id int64 1 36.7k | label int64 0 1 | bug_url stringlengths 91 134 | bug_function stringlengths 13 72.7k | functions stringlengths 17 79.2k |
|---|---|---|---|---|
21,001 | 0 | https://github.com/openssl/openssl/blob/6bc62a620e715f7580651ca932eab052aa527886/crypto/bn/bn_ctx.c/#L268 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | ['static int ec_field_inverse_mod_ord(const EC_GROUP *group, BIGNUM *r,\n const BIGNUM *x, BN_CTX *ctx)\n{\n BIGNUM *e = NULL;\n BN_CTX *new_ctx = NULL;\n int ret = 0;\n if (group->mont_data == NULL)\n return 0;\n if (ctx == NULL && (ctx = new_ctx = BN_CTX_secure_new()) == NULL)\n return 0;\n BN_CTX_start(ctx);\n if ((e = BN_CTX_get(ctx)) == NULL)\n goto err;\n if (!BN_set_word(e, 2))\n goto err;\n if (!BN_sub(e, group->order, e))\n goto err;\n if (!BN_mod_exp_mont(r, x, e, group->order, ctx, group->mont_data))\n goto err;\n ret = 1;\n err:\n if (ctx != NULL)\n BN_CTX_end(ctx);\n BN_CTX_free(new_ctx);\n return ret;\n}', 'void BN_CTX_start(BN_CTX *ctx)\n{\n CTXDBG("ENTER BN_CTX_start()", ctx);\n if (ctx->err_stack || ctx->too_many)\n ctx->err_stack++;\n else if (!BN_STACK_push(&ctx->stack, ctx->used)) {\n BNerr(BN_F_BN_CTX_START, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n ctx->err_stack++;\n }\n CTXDBG("LEAVE BN_CTX_start()", ctx);\n}', 'int BN_mod_exp_mont(BIGNUM *rr, const BIGNUM *a, const BIGNUM *p,\n const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont)\n{\n int i, j, bits, ret = 0, wstart, wend, window, wvalue;\n int start = 1;\n BIGNUM *d, *r;\n const BIGNUM *aa;\n BIGNUM *val[TABLE_SIZE];\n BN_MONT_CTX *mont = NULL;\n if (BN_get_flags(p, BN_FLG_CONSTTIME) != 0\n || BN_get_flags(a, BN_FLG_CONSTTIME) != 0\n || BN_get_flags(m, BN_FLG_CONSTTIME) != 0) {\n return BN_mod_exp_mont_consttime(rr, a, p, m, ctx, in_mont);\n }\n bn_check_top(a);\n bn_check_top(p);\n bn_check_top(m);\n if (!BN_is_odd(m)) {\n BNerr(BN_F_BN_MOD_EXP_MONT, BN_R_CALLED_WITH_EVEN_MODULUS);\n return 0;\n }\n bits = BN_num_bits(p);\n if (bits == 0) {\n if (BN_abs_is_word(m, 1)) {\n ret = 1;\n BN_zero(rr);\n } else {\n ret = BN_one(rr);\n }\n return ret;\n }\n BN_CTX_start(ctx);\n d = BN_CTX_get(ctx);\n r = BN_CTX_get(ctx);\n val[0] = BN_CTX_get(ctx);\n if (val[0] == NULL)\n goto err;\n if (in_mont != NULL)\n mont = in_mont;\n else {\n if ((mont = BN_MONT_CTX_new()) == NULL)\n goto err;\n if (!BN_MONT_CTX_set(mont, m, ctx))\n goto err;\n }\n if (a->neg || BN_ucmp(a, m) >= 0) {\n if (!BN_nnmod(val[0], a, m, ctx))\n goto err;\n aa = val[0];\n } else\n aa = a;\n if (!bn_to_mont_fixed_top(val[0], aa, mont, ctx))\n goto err;\n window = BN_window_bits_for_exponent_size(bits);\n if (window > 1) {\n if (!bn_mul_mont_fixed_top(d, val[0], val[0], mont, ctx))\n goto err;\n j = 1 << (window - 1);\n for (i = 1; i < j; i++) {\n if (((val[i] = BN_CTX_get(ctx)) == NULL) ||\n !bn_mul_mont_fixed_top(val[i], val[i - 1], d, mont, ctx))\n goto err;\n }\n }\n start = 1;\n wvalue = 0;\n wstart = bits - 1;\n wend = 0;\n#if 1\n j = m->top;\n if (m->d[j - 1] & (((BN_ULONG)1) << (BN_BITS2 - 1))) {\n if (bn_wexpand(r, j) == NULL)\n goto err;\n r->d[0] = (0 - m->d[0]) & BN_MASK2;\n for (i = 1; i < j; i++)\n r->d[i] = (~m->d[i]) & BN_MASK2;\n r->top = j;\n r->flags |= BN_FLG_FIXED_TOP;\n } else\n#endif\n if (!bn_to_mont_fixed_top(r, BN_value_one(), mont, ctx))\n goto err;\n for (;;) {\n if (BN_is_bit_set(p, wstart) == 0) {\n if (!start) {\n if (!bn_mul_mont_fixed_top(r, r, r, mont, ctx))\n goto err;\n }\n if (wstart == 0)\n break;\n wstart--;\n continue;\n }\n j = wstart;\n wvalue = 1;\n wend = 0;\n for (i = 1; i < window; i++) {\n if (wstart - i < 0)\n break;\n if (BN_is_bit_set(p, wstart - i)) {\n wvalue <<= (i - wend);\n wvalue |= 1;\n wend = i;\n }\n }\n j = wend + 1;\n if (!start)\n for (i = 0; i < j; i++) {\n if (!bn_mul_mont_fixed_top(r, r, r, mont, ctx))\n goto err;\n }\n if (!bn_mul_mont_fixed_top(r, r, val[wvalue >> 1], mont, ctx))\n goto err;\n wstart -= wend + 1;\n wvalue = 0;\n start = 0;\n if (wstart < 0)\n break;\n }\n#if defined(SPARC_T4_MONT)\n if (OPENSSL_sparcv9cap_P[0] & (SPARCV9_VIS3 | SPARCV9_PREFER_FPU)) {\n j = mont->N.top;\n val[0]->d[0] = 1;\n for (i = 1; i < j; i++)\n val[0]->d[i] = 0;\n val[0]->top = j;\n if (!BN_mod_mul_montgomery(rr, r, val[0], mont, ctx))\n goto err;\n } else\n#endif\n if (!BN_from_montgomery(rr, r, mont, ctx))\n goto err;\n ret = 1;\n err:\n if (in_mont == NULL)\n BN_MONT_CTX_free(mont);\n BN_CTX_end(ctx);\n bn_check_top(rr);\n return ret;\n}', 'int BN_mod_exp_mont_consttime(BIGNUM *rr, const BIGNUM *a, const BIGNUM *p,\n const BIGNUM *m, BN_CTX *ctx,\n BN_MONT_CTX *in_mont)\n{\n int i, bits, ret = 0, window, wvalue, wmask, window0;\n int top;\n BN_MONT_CTX *mont = NULL;\n int numPowers;\n unsigned char *powerbufFree = NULL;\n int powerbufLen = 0;\n unsigned char *powerbuf = NULL;\n BIGNUM tmp, am;\n#if defined(SPARC_T4_MONT)\n unsigned int t4 = 0;\n#endif\n bn_check_top(a);\n bn_check_top(p);\n bn_check_top(m);\n if (!BN_is_odd(m)) {\n BNerr(BN_F_BN_MOD_EXP_MONT_CONSTTIME, BN_R_CALLED_WITH_EVEN_MODULUS);\n return 0;\n }\n top = m->top;\n bits = p->top * BN_BITS2;\n if (bits == 0) {\n if (BN_abs_is_word(m, 1)) {\n ret = 1;\n BN_zero(rr);\n } else {\n ret = BN_one(rr);\n }\n return ret;\n }\n BN_CTX_start(ctx);\n if (in_mont != NULL)\n mont = in_mont;\n else {\n if ((mont = BN_MONT_CTX_new()) == NULL)\n goto err;\n if (!BN_MONT_CTX_set(mont, m, ctx))\n goto err;\n }\n if (a->neg || BN_ucmp(a, m) >= 0) {\n BIGNUM *reduced = BN_CTX_get(ctx);\n if (reduced == NULL\n || !BN_nnmod(reduced, a, m, ctx)) {\n goto err;\n }\n a = reduced;\n }\n#ifdef RSAZ_ENABLED\n if ((16 == a->top) && (16 == p->top) && (BN_num_bits(m) == 1024)\n && rsaz_avx2_eligible()) {\n if (NULL == bn_wexpand(rr, 16))\n goto err;\n RSAZ_1024_mod_exp_avx2(rr->d, a->d, p->d, m->d, mont->RR.d,\n mont->n0[0]);\n rr->top = 16;\n rr->neg = 0;\n bn_correct_top(rr);\n ret = 1;\n goto err;\n } else if ((8 == a->top) && (8 == p->top) && (BN_num_bits(m) == 512)) {\n if (NULL == bn_wexpand(rr, 8))\n goto err;\n RSAZ_512_mod_exp(rr->d, a->d, p->d, m->d, mont->n0[0], mont->RR.d);\n rr->top = 8;\n rr->neg = 0;\n bn_correct_top(rr);\n ret = 1;\n goto err;\n }\n#endif\n window = BN_window_bits_for_ctime_exponent_size(bits);\n#if defined(SPARC_T4_MONT)\n if (window >= 5 && (top & 15) == 0 && top <= 64 &&\n (OPENSSL_sparcv9cap_P[1] & (CFR_MONTMUL | CFR_MONTSQR)) ==\n (CFR_MONTMUL | CFR_MONTSQR) && (t4 = OPENSSL_sparcv9cap_P[0]))\n window = 5;\n else\n#endif\n#if defined(OPENSSL_BN_ASM_MONT5)\n if (window >= 5) {\n window = 5;\n powerbufLen += top * sizeof(mont->N.d[0]);\n }\n#endif\n (void)0;\n numPowers = 1 << window;\n powerbufLen += sizeof(m->d[0]) * (top * numPowers +\n ((2 * top) >\n numPowers ? (2 * top) : numPowers));\n#ifdef alloca\n if (powerbufLen < 3072)\n powerbufFree =\n alloca(powerbufLen + MOD_EXP_CTIME_MIN_CACHE_LINE_WIDTH);\n else\n#endif\n if ((powerbufFree =\n OPENSSL_malloc(powerbufLen + MOD_EXP_CTIME_MIN_CACHE_LINE_WIDTH))\n == NULL)\n goto err;\n powerbuf = MOD_EXP_CTIME_ALIGN(powerbufFree);\n memset(powerbuf, 0, powerbufLen);\n#ifdef alloca\n if (powerbufLen < 3072)\n powerbufFree = NULL;\n#endif\n tmp.d = (BN_ULONG *)(powerbuf + sizeof(m->d[0]) * top * numPowers);\n am.d = tmp.d + top;\n tmp.top = am.top = 0;\n tmp.dmax = am.dmax = top;\n tmp.neg = am.neg = 0;\n tmp.flags = am.flags = BN_FLG_STATIC_DATA;\n#if 1\n if (m->d[top - 1] & (((BN_ULONG)1) << (BN_BITS2 - 1))) {\n tmp.d[0] = (0 - m->d[0]) & BN_MASK2;\n for (i = 1; i < top; i++)\n tmp.d[i] = (~m->d[i]) & BN_MASK2;\n tmp.top = top;\n } else\n#endif\n if (!bn_to_mont_fixed_top(&tmp, BN_value_one(), mont, ctx))\n goto err;\n if (!bn_to_mont_fixed_top(&am, a, mont, ctx))\n goto err;\n#if defined(SPARC_T4_MONT)\n if (t4) {\n typedef int (*bn_pwr5_mont_f) (BN_ULONG *tp, const BN_ULONG *np,\n const BN_ULONG *n0, const void *table,\n int power, int bits);\n int bn_pwr5_mont_t4_8(BN_ULONG *tp, const BN_ULONG *np,\n const BN_ULONG *n0, const void *table,\n int power, int bits);\n int bn_pwr5_mont_t4_16(BN_ULONG *tp, const BN_ULONG *np,\n const BN_ULONG *n0, const void *table,\n int power, int bits);\n int bn_pwr5_mont_t4_24(BN_ULONG *tp, const BN_ULONG *np,\n const BN_ULONG *n0, const void *table,\n int power, int bits);\n int bn_pwr5_mont_t4_32(BN_ULONG *tp, const BN_ULONG *np,\n const BN_ULONG *n0, const void *table,\n int power, int bits);\n static const bn_pwr5_mont_f pwr5_funcs[4] = {\n bn_pwr5_mont_t4_8, bn_pwr5_mont_t4_16,\n bn_pwr5_mont_t4_24, bn_pwr5_mont_t4_32\n };\n bn_pwr5_mont_f pwr5_worker = pwr5_funcs[top / 16 - 1];\n typedef int (*bn_mul_mont_f) (BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0);\n int bn_mul_mont_t4_8(BN_ULONG *rp, const BN_ULONG *ap, const void *bp,\n const BN_ULONG *np, const BN_ULONG *n0);\n int bn_mul_mont_t4_16(BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0);\n int bn_mul_mont_t4_24(BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0);\n int bn_mul_mont_t4_32(BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0);\n static const bn_mul_mont_f mul_funcs[4] = {\n bn_mul_mont_t4_8, bn_mul_mont_t4_16,\n bn_mul_mont_t4_24, bn_mul_mont_t4_32\n };\n bn_mul_mont_f mul_worker = mul_funcs[top / 16 - 1];\n void bn_mul_mont_vis3(BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0, int num);\n void bn_mul_mont_t4(BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0, int num);\n void bn_mul_mont_gather5_t4(BN_ULONG *rp, const BN_ULONG *ap,\n const void *table, const BN_ULONG *np,\n const BN_ULONG *n0, int num, int power);\n void bn_flip_n_scatter5_t4(const BN_ULONG *inp, size_t num,\n void *table, size_t power);\n void bn_gather5_t4(BN_ULONG *out, size_t num,\n void *table, size_t power);\n void bn_flip_t4(BN_ULONG *dst, BN_ULONG *src, size_t num);\n BN_ULONG *np = mont->N.d, *n0 = mont->n0;\n int stride = 5 * (6 - (top / 16 - 1));\n for (i = am.top; i < top; i++)\n am.d[i] = 0;\n for (i = tmp.top; i < top; i++)\n tmp.d[i] = 0;\n bn_flip_n_scatter5_t4(tmp.d, top, powerbuf, 0);\n bn_flip_n_scatter5_t4(am.d, top, powerbuf, 1);\n if (!(*mul_worker) (tmp.d, am.d, am.d, np, n0) &&\n !(*mul_worker) (tmp.d, am.d, am.d, np, n0))\n bn_mul_mont_vis3(tmp.d, am.d, am.d, np, n0, top);\n bn_flip_n_scatter5_t4(tmp.d, top, powerbuf, 2);\n for (i = 3; i < 32; i++) {\n if (!(*mul_worker) (tmp.d, tmp.d, am.d, np, n0) &&\n !(*mul_worker) (tmp.d, tmp.d, am.d, np, n0))\n bn_mul_mont_vis3(tmp.d, tmp.d, am.d, np, n0, top);\n bn_flip_n_scatter5_t4(tmp.d, top, powerbuf, i);\n }\n np = alloca(top * sizeof(BN_ULONG));\n top /= 2;\n bn_flip_t4(np, mont->N.d, top);\n window0 = (bits - 1) % 5 + 1;\n wmask = (1 << window0) - 1;\n bits -= window0;\n wvalue = bn_get_bits(p, bits) & wmask;\n bn_gather5_t4(tmp.d, top, powerbuf, wvalue);\n while (bits > 0) {\n if (bits < stride)\n stride = bits;\n bits -= stride;\n wvalue = bn_get_bits(p, bits);\n if ((*pwr5_worker) (tmp.d, np, n0, powerbuf, wvalue, stride))\n continue;\n if ((*pwr5_worker) (tmp.d, np, n0, powerbuf, wvalue, stride))\n continue;\n bits += stride - 5;\n wvalue >>= stride - 5;\n wvalue &= 31;\n bn_mul_mont_t4(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_t4(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_t4(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_t4(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_t4(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_gather5_t4(tmp.d, tmp.d, powerbuf, np, n0, top,\n wvalue);\n }\n bn_flip_t4(tmp.d, tmp.d, top);\n top *= 2;\n tmp.top = top;\n bn_correct_top(&tmp);\n OPENSSL_cleanse(np, top * sizeof(BN_ULONG));\n } else\n#endif\n#if defined(OPENSSL_BN_ASM_MONT5)\n if (window == 5 && top > 1) {\n void bn_mul_mont_gather5(BN_ULONG *rp, const BN_ULONG *ap,\n const void *table, const BN_ULONG *np,\n const BN_ULONG *n0, int num, int power);\n void bn_scatter5(const BN_ULONG *inp, size_t num,\n void *table, size_t power);\n void bn_gather5(BN_ULONG *out, size_t num, void *table, size_t power);\n void bn_power5(BN_ULONG *rp, const BN_ULONG *ap,\n const void *table, const BN_ULONG *np,\n const BN_ULONG *n0, int num, int power);\n int bn_get_bits5(const BN_ULONG *ap, int off);\n int bn_from_montgomery(BN_ULONG *rp, const BN_ULONG *ap,\n const BN_ULONG *not_used, const BN_ULONG *np,\n const BN_ULONG *n0, int num);\n BN_ULONG *n0 = mont->n0, *np;\n for (i = am.top; i < top; i++)\n am.d[i] = 0;\n for (i = tmp.top; i < top; i++)\n tmp.d[i] = 0;\n for (np = am.d + top, i = 0; i < top; i++)\n np[i] = mont->N.d[i];\n bn_scatter5(tmp.d, top, powerbuf, 0);\n bn_scatter5(am.d, am.top, powerbuf, 1);\n bn_mul_mont(tmp.d, am.d, am.d, np, n0, top);\n bn_scatter5(tmp.d, top, powerbuf, 2);\n# if 0\n for (i = 3; i < 32; i++) {\n bn_mul_mont_gather5(tmp.d, am.d, powerbuf, np, n0, top, i - 1);\n bn_scatter5(tmp.d, top, powerbuf, i);\n }\n# else\n for (i = 4; i < 32; i *= 2) {\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_scatter5(tmp.d, top, powerbuf, i);\n }\n for (i = 3; i < 8; i += 2) {\n int j;\n bn_mul_mont_gather5(tmp.d, am.d, powerbuf, np, n0, top, i - 1);\n bn_scatter5(tmp.d, top, powerbuf, i);\n for (j = 2 * i; j < 32; j *= 2) {\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_scatter5(tmp.d, top, powerbuf, j);\n }\n }\n for (; i < 16; i += 2) {\n bn_mul_mont_gather5(tmp.d, am.d, powerbuf, np, n0, top, i - 1);\n bn_scatter5(tmp.d, top, powerbuf, i);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_scatter5(tmp.d, top, powerbuf, 2 * i);\n }\n for (; i < 32; i += 2) {\n bn_mul_mont_gather5(tmp.d, am.d, powerbuf, np, n0, top, i - 1);\n bn_scatter5(tmp.d, top, powerbuf, i);\n }\n# endif\n window0 = (bits - 1) % 5 + 1;\n wmask = (1 << window0) - 1;\n bits -= window0;\n wvalue = bn_get_bits(p, bits) & wmask;\n bn_gather5(tmp.d, top, powerbuf, wvalue);\n if (top & 7) {\n while (bits > 0) {\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_gather5(tmp.d, tmp.d, powerbuf, np, n0, top,\n bn_get_bits5(p->d, bits -= 5));\n }\n } else {\n while (bits > 0) {\n bn_power5(tmp.d, tmp.d, powerbuf, np, n0, top,\n bn_get_bits5(p->d, bits -= 5));\n }\n }\n ret = bn_from_montgomery(tmp.d, tmp.d, NULL, np, n0, top);\n tmp.top = top;\n bn_correct_top(&tmp);\n if (ret) {\n if (!BN_copy(rr, &tmp))\n ret = 0;\n goto err;\n }\n } else\n#endif\n {\n if (!MOD_EXP_CTIME_COPY_TO_PREBUF(&tmp, top, powerbuf, 0, window))\n goto err;\n if (!MOD_EXP_CTIME_COPY_TO_PREBUF(&am, top, powerbuf, 1, window))\n goto err;\n if (window > 1) {\n if (!bn_mul_mont_fixed_top(&tmp, &am, &am, mont, ctx))\n goto err;\n if (!MOD_EXP_CTIME_COPY_TO_PREBUF(&tmp, top, powerbuf, 2,\n window))\n goto err;\n for (i = 3; i < numPowers; i++) {\n if (!bn_mul_mont_fixed_top(&tmp, &am, &tmp, mont, ctx))\n goto err;\n if (!MOD_EXP_CTIME_COPY_TO_PREBUF(&tmp, top, powerbuf, i,\n window))\n goto err;\n }\n }\n window0 = (bits - 1) % window + 1;\n wmask = (1 << window0) - 1;\n bits -= window0;\n wvalue = bn_get_bits(p, bits) & wmask;\n if (!MOD_EXP_CTIME_COPY_FROM_PREBUF(&tmp, top, powerbuf, wvalue,\n window))\n goto err;\n wmask = (1 << window) - 1;\n while (bits > 0) {\n for (i = 0; i < window; i++)\n if (!bn_mul_mont_fixed_top(&tmp, &tmp, &tmp, mont, ctx))\n goto err;\n bits -= window;\n wvalue = bn_get_bits(p, bits) & wmask;\n if (!MOD_EXP_CTIME_COPY_FROM_PREBUF(&am, top, powerbuf, wvalue,\n window))\n goto err;\n if (!bn_mul_mont_fixed_top(&tmp, &tmp, &am, mont, ctx))\n goto err;\n }\n }\n#if defined(SPARC_T4_MONT)\n if (OPENSSL_sparcv9cap_P[0] & (SPARCV9_VIS3 | SPARCV9_PREFER_FPU)) {\n am.d[0] = 1;\n for (i = 1; i < top; i++)\n am.d[i] = 0;\n if (!BN_mod_mul_montgomery(rr, &tmp, &am, mont, ctx))\n goto err;\n } else\n#endif\n if (!BN_from_montgomery(rr, &tmp, mont, ctx))\n goto err;\n ret = 1;\n err:\n if (in_mont == NULL)\n BN_MONT_CTX_free(mont);\n if (powerbuf != NULL) {\n OPENSSL_cleanse(powerbuf, powerbufLen);\n OPENSSL_free(powerbufFree);\n }\n BN_CTX_end(ctx);\n return ret;\n}', 'int BN_MONT_CTX_set(BN_MONT_CTX *mont, const BIGNUM *mod, BN_CTX *ctx)\n{\n int i, ret = 0;\n BIGNUM *Ri, *R;\n if (BN_is_zero(mod))\n return 0;\n BN_CTX_start(ctx);\n if ((Ri = BN_CTX_get(ctx)) == NULL)\n goto err;\n R = &(mont->RR);\n if (!BN_copy(&(mont->N), mod))\n goto err;\n if (BN_get_flags(mod, BN_FLG_CONSTTIME) != 0)\n BN_set_flags(&(mont->N), BN_FLG_CONSTTIME);\n mont->N.neg = 0;\n#ifdef MONT_WORD\n {\n BIGNUM tmod;\n BN_ULONG buf[2];\n bn_init(&tmod);\n tmod.d = buf;\n tmod.dmax = 2;\n tmod.neg = 0;\n if (BN_get_flags(mod, BN_FLG_CONSTTIME) != 0)\n BN_set_flags(&tmod, BN_FLG_CONSTTIME);\n mont->ri = (BN_num_bits(mod) + (BN_BITS2 - 1)) / BN_BITS2 * BN_BITS2;\n# if defined(OPENSSL_BN_ASM_MONT) && (BN_BITS2<=32)\n BN_zero(R);\n if (!(BN_set_bit(R, 2 * BN_BITS2)))\n goto err;\n tmod.top = 0;\n if ((buf[0] = mod->d[0]))\n tmod.top = 1;\n if ((buf[1] = mod->top > 1 ? mod->d[1] : 0))\n tmod.top = 2;\n if (BN_is_one(&tmod))\n BN_zero(Ri);\n else if ((BN_mod_inverse(Ri, R, &tmod, ctx)) == NULL)\n goto err;\n if (!BN_lshift(Ri, Ri, 2 * BN_BITS2))\n goto err;\n if (!BN_is_zero(Ri)) {\n if (!BN_sub_word(Ri, 1))\n goto err;\n } else {\n if (bn_expand(Ri, (int)sizeof(BN_ULONG) * 2) == NULL)\n goto err;\n Ri->neg = 0;\n Ri->d[0] = BN_MASK2;\n Ri->d[1] = BN_MASK2;\n Ri->top = 2;\n }\n if (!BN_div(Ri, NULL, Ri, &tmod, ctx))\n goto err;\n mont->n0[0] = (Ri->top > 0) ? Ri->d[0] : 0;\n mont->n0[1] = (Ri->top > 1) ? Ri->d[1] : 0;\n# else\n BN_zero(R);\n if (!(BN_set_bit(R, BN_BITS2)))\n goto err;\n buf[0] = mod->d[0];\n buf[1] = 0;\n tmod.top = buf[0] != 0 ? 1 : 0;\n if (BN_is_one(&tmod))\n BN_zero(Ri);\n else if ((BN_mod_inverse(Ri, R, &tmod, ctx)) == NULL)\n goto err;\n if (!BN_lshift(Ri, Ri, BN_BITS2))\n goto err;\n if (!BN_is_zero(Ri)) {\n if (!BN_sub_word(Ri, 1))\n goto err;\n } else {\n if (!BN_set_word(Ri, BN_MASK2))\n goto err;\n }\n if (!BN_div(Ri, NULL, Ri, &tmod, ctx))\n goto err;\n mont->n0[0] = (Ri->top > 0) ? Ri->d[0] : 0;\n mont->n0[1] = 0;\n# endif\n }\n#else\n {\n mont->ri = BN_num_bits(&mont->N);\n BN_zero(R);\n if (!BN_set_bit(R, mont->ri))\n goto err;\n if ((BN_mod_inverse(Ri, R, &mont->N, ctx)) == NULL)\n goto err;\n if (!BN_lshift(Ri, Ri, mont->ri))\n goto err;\n if (!BN_sub_word(Ri, 1))\n goto err;\n if (!BN_div(&(mont->Ni), NULL, Ri, &mont->N, ctx))\n goto err;\n }\n#endif\n BN_zero(&(mont->RR));\n if (!BN_set_bit(&(mont->RR), mont->ri * 2))\n goto err;\n if (!BN_mod(&(mont->RR), &(mont->RR), &(mont->N), ctx))\n goto err;\n for (i = mont->RR.top, ret = mont->N.top; i < ret; i++)\n mont->RR.d[i] = 0;\n mont->RR.top = ret;\n mont->RR.flags |= BN_FLG_FIXED_TOP;\n ret = 1;\n err:\n BN_CTX_end(ctx);\n return ret;\n}', 'BIGNUM *BN_mod_inverse(BIGNUM *in,\n const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx)\n{\n BIGNUM *rv;\n int noinv;\n rv = int_bn_mod_inverse(in, a, n, ctx, &noinv);\n if (noinv)\n BNerr(BN_F_BN_MOD_INVERSE, BN_R_NO_INVERSE);\n return rv;\n}', 'BIGNUM *int_bn_mod_inverse(BIGNUM *in,\n const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx,\n int *pnoinv)\n{\n BIGNUM *A, *B, *X, *Y, *M, *D, *T, *R = NULL;\n BIGNUM *ret = NULL;\n int sign;\n if (BN_abs_is_word(n, 1) || BN_is_zero(n)) {\n if (pnoinv != NULL)\n *pnoinv = 1;\n return NULL;\n }\n if (pnoinv != NULL)\n *pnoinv = 0;\n if ((BN_get_flags(a, BN_FLG_CONSTTIME) != 0)\n || (BN_get_flags(n, BN_FLG_CONSTTIME) != 0)) {\n return BN_mod_inverse_no_branch(in, a, n, ctx);\n }\n bn_check_top(a);\n bn_check_top(n);\n BN_CTX_start(ctx);\n A = BN_CTX_get(ctx);\n B = BN_CTX_get(ctx);\n X = BN_CTX_get(ctx);\n D = BN_CTX_get(ctx);\n M = BN_CTX_get(ctx);\n Y = BN_CTX_get(ctx);\n T = BN_CTX_get(ctx);\n if (T == NULL)\n goto err;\n if (in == NULL)\n R = BN_new();\n else\n R = in;\n if (R == NULL)\n goto err;\n BN_one(X);\n BN_zero(Y);\n if (BN_copy(B, a) == NULL)\n goto err;\n if (BN_copy(A, n) == NULL)\n goto err;\n A->neg = 0;\n if (B->neg || (BN_ucmp(B, A) >= 0)) {\n if (!BN_nnmod(B, B, A, ctx))\n goto err;\n }\n sign = -1;\n if (BN_is_odd(n) && (BN_num_bits(n) <= 2048)) {\n int shift;\n while (!BN_is_zero(B)) {\n shift = 0;\n while (!BN_is_bit_set(B, shift)) {\n shift++;\n if (BN_is_odd(X)) {\n if (!BN_uadd(X, X, n))\n goto err;\n }\n if (!BN_rshift1(X, X))\n goto err;\n }\n if (shift > 0) {\n if (!BN_rshift(B, B, shift))\n goto err;\n }\n shift = 0;\n while (!BN_is_bit_set(A, shift)) {\n shift++;\n if (BN_is_odd(Y)) {\n if (!BN_uadd(Y, Y, n))\n goto err;\n }\n if (!BN_rshift1(Y, Y))\n goto err;\n }\n if (shift > 0) {\n if (!BN_rshift(A, A, shift))\n goto err;\n }\n if (BN_ucmp(B, A) >= 0) {\n if (!BN_uadd(X, X, Y))\n goto err;\n if (!BN_usub(B, B, A))\n goto err;\n } else {\n if (!BN_uadd(Y, Y, X))\n goto err;\n if (!BN_usub(A, A, B))\n goto err;\n }\n }\n } else {\n while (!BN_is_zero(B)) {\n BIGNUM *tmp;\n if (BN_num_bits(A) == BN_num_bits(B)) {\n if (!BN_one(D))\n goto err;\n if (!BN_sub(M, A, B))\n goto err;\n } else if (BN_num_bits(A) == BN_num_bits(B) + 1) {\n if (!BN_lshift1(T, B))\n goto err;\n if (BN_ucmp(A, T) < 0) {\n if (!BN_one(D))\n goto err;\n if (!BN_sub(M, A, B))\n goto err;\n } else {\n if (!BN_sub(M, A, T))\n goto err;\n if (!BN_add(D, T, B))\n goto err;\n if (BN_ucmp(A, D) < 0) {\n if (!BN_set_word(D, 2))\n goto err;\n } else {\n if (!BN_set_word(D, 3))\n goto err;\n if (!BN_sub(M, M, B))\n goto err;\n }\n }\n } else {\n if (!BN_div(D, M, A, B, ctx))\n goto err;\n }\n tmp = A;\n A = B;\n B = M;\n if (BN_is_one(D)) {\n if (!BN_add(tmp, X, Y))\n goto err;\n } else {\n if (BN_is_word(D, 2)) {\n if (!BN_lshift1(tmp, X))\n goto err;\n } else if (BN_is_word(D, 4)) {\n if (!BN_lshift(tmp, X, 2))\n goto err;\n } else if (D->top == 1) {\n if (!BN_copy(tmp, X))\n goto err;\n if (!BN_mul_word(tmp, D->d[0]))\n goto err;\n } else {\n if (!BN_mul(tmp, D, X, ctx))\n goto err;\n }\n if (!BN_add(tmp, tmp, Y))\n goto err;\n }\n M = Y;\n Y = X;\n X = tmp;\n sign = -sign;\n }\n }\n if (sign < 0) {\n if (!BN_sub(Y, n, Y))\n goto err;\n }\n if (BN_is_one(A)) {\n if (!Y->neg && BN_ucmp(Y, n) < 0) {\n if (!BN_copy(R, Y))\n goto err;\n } else {\n if (!BN_nnmod(R, Y, n, ctx))\n goto err;\n }\n } else {\n if (pnoinv)\n *pnoinv = 1;\n goto err;\n }\n ret = R;\n err:\n if ((ret == NULL) && (in == NULL))\n BN_free(R);\n BN_CTX_end(ctx);\n bn_check_top(ret);\n return ret;\n}', 'static BIGNUM *BN_mod_inverse_no_branch(BIGNUM *in,\n const BIGNUM *a, const BIGNUM *n,\n BN_CTX *ctx)\n{\n BIGNUM *A, *B, *X, *Y, *M, *D, *T, *R = NULL;\n BIGNUM *ret = NULL;\n int sign;\n bn_check_top(a);\n bn_check_top(n);\n BN_CTX_start(ctx);\n A = BN_CTX_get(ctx);\n B = BN_CTX_get(ctx);\n X = BN_CTX_get(ctx);\n D = BN_CTX_get(ctx);\n M = BN_CTX_get(ctx);\n Y = BN_CTX_get(ctx);\n T = BN_CTX_get(ctx);\n if (T == NULL)\n goto err;\n if (in == NULL)\n R = BN_new();\n else\n R = in;\n if (R == NULL)\n goto err;\n BN_one(X);\n BN_zero(Y);\n if (BN_copy(B, a) == NULL)\n goto err;\n if (BN_copy(A, n) == NULL)\n goto err;\n A->neg = 0;\n if (B->neg || (BN_ucmp(B, A) >= 0)) {\n {\n BIGNUM local_B;\n bn_init(&local_B);\n BN_with_flags(&local_B, B, BN_FLG_CONSTTIME);\n if (!BN_nnmod(B, &local_B, A, ctx))\n goto err;\n }\n }\n sign = -1;\n while (!BN_is_zero(B)) {\n BIGNUM *tmp;\n {\n BIGNUM local_A;\n bn_init(&local_A);\n BN_with_flags(&local_A, A, BN_FLG_CONSTTIME);\n if (!BN_div(D, M, &local_A, B, ctx))\n goto err;\n }\n tmp = A;\n A = B;\n B = M;\n if (!BN_mul(tmp, D, X, ctx))\n goto err;\n if (!BN_add(tmp, tmp, Y))\n goto err;\n M = Y;\n Y = X;\n X = tmp;\n sign = -sign;\n }\n if (sign < 0) {\n if (!BN_sub(Y, n, Y))\n goto err;\n }\n if (BN_is_one(A)) {\n if (!Y->neg && BN_ucmp(Y, n) < 0) {\n if (!BN_copy(R, Y))\n goto err;\n } else {\n if (!BN_nnmod(R, Y, n, ctx))\n goto err;\n }\n } else {\n BNerr(BN_F_BN_MOD_INVERSE_NO_BRANCH, BN_R_NO_INVERSE);\n goto err;\n }\n ret = R;\n err:\n if ((ret == NULL) && (in == NULL))\n BN_free(R);\n BN_CTX_end(ctx);\n bn_check_top(ret);\n return ret;\n}', 'int BN_nnmod(BIGNUM *r, const BIGNUM *m, const BIGNUM *d, BN_CTX *ctx)\n{\n if (!(BN_mod(r, m, d, ctx)))\n return 0;\n if (!r->neg)\n return 1;\n return (d->neg ? BN_sub : BN_add) (r, r, d);\n}', 'int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,\n BN_CTX *ctx)\n{\n int ret;\n if (BN_is_zero(divisor)) {\n BNerr(BN_F_BN_DIV, BN_R_DIV_BY_ZERO);\n return 0;\n }\n if (divisor->d[divisor->top - 1] == 0) {\n BNerr(BN_F_BN_DIV, BN_R_NOT_INITIALIZED);\n return 0;\n }\n ret = bn_div_fixed_top(dv, rm, num, divisor, ctx);\n if (ret) {\n if (dv != NULL)\n bn_correct_top(dv);\n if (rm != NULL)\n bn_correct_top(rm);\n }\n return ret;\n}', 'int bn_div_fixed_top(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num,\n const BIGNUM *divisor, BN_CTX *ctx)\n{\n int norm_shift, i, j, loop;\n BIGNUM *tmp, *snum, *sdiv, *res;\n BN_ULONG *resp, *wnum, *wnumtop;\n BN_ULONG d0, d1;\n int num_n, div_n;\n assert(divisor->top > 0 && divisor->d[divisor->top - 1] != 0);\n bn_check_top(num);\n bn_check_top(divisor);\n bn_check_top(dv);\n bn_check_top(rm);\n BN_CTX_start(ctx);\n res = (dv == NULL) ? BN_CTX_get(ctx) : dv;\n tmp = BN_CTX_get(ctx);\n snum = BN_CTX_get(ctx);\n sdiv = BN_CTX_get(ctx);\n if (sdiv == NULL)\n goto err;\n if (!BN_copy(sdiv, divisor))\n goto err;\n norm_shift = bn_left_align(sdiv);\n sdiv->neg = 0;\n if (!(bn_lshift_fixed_top(snum, num, norm_shift)))\n goto err;\n div_n = sdiv->top;\n num_n = snum->top;\n if (num_n <= div_n) {\n if (bn_wexpand(snum, div_n + 1) == NULL)\n goto err;\n memset(&(snum->d[num_n]), 0, (div_n - num_n + 1) * sizeof(BN_ULONG));\n snum->top = num_n = div_n + 1;\n }\n loop = num_n - div_n;\n wnum = &(snum->d[loop]);\n wnumtop = &(snum->d[num_n - 1]);\n d0 = sdiv->d[div_n - 1];\n d1 = (div_n == 1) ? 0 : sdiv->d[div_n - 2];\n if (!bn_wexpand(res, loop))\n goto err;\n res->neg = (num->neg ^ divisor->neg);\n res->top = loop;\n res->flags |= BN_FLG_FIXED_TOP;\n resp = &(res->d[loop]);\n if (!bn_wexpand(tmp, (div_n + 1)))\n goto err;\n for (i = 0; i < loop; i++, wnumtop--) {\n BN_ULONG q, l0;\n# if defined(BN_DIV3W)\n q = bn_div_3_words(wnumtop, d1, d0);\n# else\n BN_ULONG n0, n1, rem = 0;\n n0 = wnumtop[0];\n n1 = wnumtop[-1];\n if (n0 == d0)\n q = BN_MASK2;\n else {\n BN_ULONG n2 = (wnumtop == wnum) ? 0 : wnumtop[-2];\n# ifdef BN_LLONG\n BN_ULLONG t2;\n# if defined(BN_LLONG) && defined(BN_DIV2W) && !defined(bn_div_words)\n q = (BN_ULONG)(((((BN_ULLONG) n0) << BN_BITS2) | n1) / d0);\n# else\n q = bn_div_words(n0, n1, d0);\n# endif\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n t2 = (BN_ULLONG) d1 *q;\n for (;;) {\n if (t2 <= ((((BN_ULLONG) rem) << BN_BITS2) | n2))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n t2 -= d1;\n }\n# else\n BN_ULONG t2l, t2h;\n q = bn_div_words(n0, n1, d0);\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n# if defined(BN_UMULT_LOHI)\n BN_UMULT_LOHI(t2l, t2h, d1, q);\n# elif defined(BN_UMULT_HIGH)\n t2l = d1 * q;\n t2h = BN_UMULT_HIGH(d1, q);\n# else\n {\n BN_ULONG ql, qh;\n t2l = LBITS(d1);\n t2h = HBITS(d1);\n ql = LBITS(q);\n qh = HBITS(q);\n mul64(t2l, t2h, ql, qh);\n }\n# endif\n for (;;) {\n if ((t2h < rem) || ((t2h == rem) && (t2l <= n2)))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n if (t2l < d1)\n t2h--;\n t2l -= d1;\n }\n# endif\n }\n# endif\n l0 = bn_mul_words(tmp->d, sdiv->d, div_n, q);\n tmp->d[div_n] = l0;\n wnum--;\n l0 = bn_sub_words(wnum, wnum, tmp->d, div_n + 1);\n q -= l0;\n for (l0 = 0 - l0, j = 0; j < div_n; j++)\n tmp->d[j] = sdiv->d[j] & l0;\n l0 = bn_add_words(wnum, wnum, tmp->d, div_n);\n (*wnumtop) += l0;\n assert((*wnumtop) == 0);\n *--resp = q;\n }\n snum->neg = num->neg;\n snum->top = div_n;\n snum->flags |= BN_FLG_FIXED_TOP;\n if (rm != NULL)\n bn_rshift_fixed_top(rm, snum, norm_shift);\n BN_CTX_end(ctx);\n return 1;\n err:\n bn_check_top(rm);\n BN_CTX_end(ctx);\n return 0;\n}', 'void BN_CTX_end(BN_CTX *ctx)\n{\n CTXDBG("ENTER BN_CTX_end()", ctx);\n if (ctx->err_stack)\n ctx->err_stack--;\n else {\n unsigned int fp = BN_STACK_pop(&ctx->stack);\n if (fp < ctx->used)\n BN_POOL_release(&ctx->pool, ctx->used - fp);\n ctx->used = fp;\n ctx->too_many = 0;\n }\n CTXDBG("LEAVE BN_CTX_end()", ctx);\n}', 'static unsigned int BN_STACK_pop(BN_STACK *st)\n{\n return st->indexes[--(st->depth)];\n}'] |
21,002 | 0 | https://github.com/openssl/openssl/blob/9f519addc09b2005fa8c6cde36e3267de02577bb/crypto/bn/bn_lib.c/#L526 | int BN_set_word(BIGNUM *a, BN_ULONG w)
{
bn_check_top(a);
if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)
return (0);
a->neg = 0;
a->d[0] = w;
a->top = (w ? 1 : 0);
bn_check_top(a);
return (1);
} | ['static int dsa_sign_setup(DSA *dsa, BN_CTX *ctx_in,\n BIGNUM **kinvp, BIGNUM **rp,\n const unsigned char *dgst, int dlen)\n{\n BN_CTX *ctx = NULL;\n BIGNUM *k, *kq, *K, *kinv = NULL, *r = *rp;\n int ret = 0;\n if (!dsa->p || !dsa->q || !dsa->g) {\n DSAerr(DSA_F_DSA_SIGN_SETUP, DSA_R_MISSING_PARAMETERS);\n return 0;\n }\n k = BN_new();\n kq = BN_new();\n if (k == NULL || kq == NULL)\n goto err;\n if (ctx_in == NULL) {\n if ((ctx = BN_CTX_new()) == NULL)\n goto err;\n } else\n ctx = ctx_in;\n do {\n if (dgst != NULL) {\n if (!BN_generate_dsa_nonce(k, dsa->q, dsa->priv_key, dgst,\n dlen, ctx))\n goto err;\n } else if (!BN_rand_range(k, dsa->q))\n goto err;\n } while (BN_is_zero(k));\n if ((dsa->flags & DSA_FLAG_NO_EXP_CONSTTIME) == 0) {\n BN_set_flags(k, BN_FLG_CONSTTIME);\n }\n if (dsa->flags & DSA_FLAG_CACHE_MONT_P) {\n if (!BN_MONT_CTX_set_locked(&dsa->method_mont_p,\n dsa->lock, dsa->p, ctx))\n goto err;\n }\n if ((dsa->flags & DSA_FLAG_NO_EXP_CONSTTIME) == 0) {\n if (!BN_copy(kq, k))\n goto err;\n if (!BN_add(kq, kq, dsa->q))\n goto err;\n if (BN_num_bits(kq) <= BN_num_bits(dsa->q)) {\n if (!BN_add(kq, kq, dsa->q))\n goto err;\n }\n K = kq;\n } else {\n K = k;\n }\n DSA_BN_MOD_EXP(goto err, dsa, r, dsa->g, K, dsa->p, ctx,\n dsa->method_mont_p);\n if (!BN_mod(r, r, dsa->q, ctx))\n goto err;\n if ((kinv = BN_mod_inverse(NULL, k, dsa->q, ctx)) == NULL)\n goto err;\n BN_clear_free(*kinvp);\n *kinvp = kinv;\n kinv = NULL;\n ret = 1;\n err:\n if (!ret)\n DSAerr(DSA_F_DSA_SIGN_SETUP, ERR_R_BN_LIB);\n if (ctx != ctx_in)\n BN_CTX_free(ctx);\n BN_clear_free(k);\n BN_clear_free(kq);\n return ret;\n}', 'int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,\n BN_CTX *ctx)\n{\n int norm_shift, i, loop;\n BIGNUM *tmp, wnum, *snum, *sdiv, *res;\n BN_ULONG *resp, *wnump;\n BN_ULONG d0, d1;\n int num_n, div_n;\n int no_branch = 0;\n if ((num->top > 0 && num->d[num->top - 1] == 0) ||\n (divisor->top > 0 && divisor->d[divisor->top - 1] == 0)) {\n BNerr(BN_F_BN_DIV, BN_R_NOT_INITIALIZED);\n return 0;\n }\n bn_check_top(num);\n bn_check_top(divisor);\n if ((BN_get_flags(num, BN_FLG_CONSTTIME) != 0)\n || (BN_get_flags(divisor, BN_FLG_CONSTTIME) != 0)) {\n no_branch = 1;\n }\n bn_check_top(dv);\n bn_check_top(rm);\n if (BN_is_zero(divisor)) {\n BNerr(BN_F_BN_DIV, BN_R_DIV_BY_ZERO);\n return (0);\n }\n if (!no_branch && BN_ucmp(num, divisor) < 0) {\n if (rm != NULL) {\n if (BN_copy(rm, num) == NULL)\n return (0);\n }\n if (dv != NULL)\n BN_zero(dv);\n return (1);\n }\n BN_CTX_start(ctx);\n tmp = BN_CTX_get(ctx);\n snum = BN_CTX_get(ctx);\n sdiv = BN_CTX_get(ctx);\n if (dv == NULL)\n res = BN_CTX_get(ctx);\n else\n res = dv;\n if (sdiv == NULL || res == NULL || tmp == NULL || snum == NULL)\n goto err;\n norm_shift = BN_BITS2 - ((BN_num_bits(divisor)) % BN_BITS2);\n if (!(BN_lshift(sdiv, divisor, norm_shift)))\n goto err;\n sdiv->neg = 0;\n norm_shift += BN_BITS2;\n if (!(BN_lshift(snum, num, norm_shift)))\n goto err;\n snum->neg = 0;\n if (no_branch) {\n if (snum->top <= sdiv->top + 1) {\n if (bn_wexpand(snum, sdiv->top + 2) == NULL)\n goto err;\n for (i = snum->top; i < sdiv->top + 2; i++)\n snum->d[i] = 0;\n snum->top = sdiv->top + 2;\n } else {\n if (bn_wexpand(snum, snum->top + 1) == NULL)\n goto err;\n snum->d[snum->top] = 0;\n snum->top++;\n }\n }\n div_n = sdiv->top;\n num_n = snum->top;\n loop = num_n - div_n;\n wnum.neg = 0;\n wnum.d = &(snum->d[loop]);\n wnum.top = div_n;\n wnum.dmax = snum->dmax - loop;\n d0 = sdiv->d[div_n - 1];\n d1 = (div_n == 1) ? 0 : sdiv->d[div_n - 2];\n wnump = &(snum->d[num_n - 1]);\n res->neg = (num->neg ^ divisor->neg);\n if (!bn_wexpand(res, (loop + 1)))\n goto err;\n res->top = loop - no_branch;\n resp = &(res->d[loop - 1]);\n if (!bn_wexpand(tmp, (div_n + 1)))\n goto err;\n if (!no_branch) {\n if (BN_ucmp(&wnum, sdiv) >= 0) {\n bn_clear_top2max(&wnum);\n bn_sub_words(wnum.d, wnum.d, sdiv->d, div_n);\n *resp = 1;\n } else\n res->top--;\n }\n if (res->top == 0)\n res->neg = 0;\n else\n resp--;\n for (i = 0; i < loop - 1; i++, wnump--, resp--) {\n BN_ULONG q, l0;\n# if defined(BN_DIV3W) && !defined(OPENSSL_NO_ASM)\n BN_ULONG bn_div_3_words(BN_ULONG *, BN_ULONG, BN_ULONG);\n q = bn_div_3_words(wnump, d1, d0);\n# else\n BN_ULONG n0, n1, rem = 0;\n n0 = wnump[0];\n n1 = wnump[-1];\n if (n0 == d0)\n q = BN_MASK2;\n else {\n# ifdef BN_LLONG\n BN_ULLONG t2;\n# if defined(BN_LLONG) && defined(BN_DIV2W) && !defined(bn_div_words)\n q = (BN_ULONG)(((((BN_ULLONG) n0) << BN_BITS2) | n1) / d0);\n# else\n q = bn_div_words(n0, n1, d0);\n# endif\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n t2 = (BN_ULLONG) d1 *q;\n for (;;) {\n if (t2 <= ((((BN_ULLONG) rem) << BN_BITS2) | wnump[-2]))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n t2 -= d1;\n }\n# else\n BN_ULONG t2l, t2h;\n q = bn_div_words(n0, n1, d0);\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n# if defined(BN_UMULT_LOHI)\n BN_UMULT_LOHI(t2l, t2h, d1, q);\n# elif defined(BN_UMULT_HIGH)\n t2l = d1 * q;\n t2h = BN_UMULT_HIGH(d1, q);\n# else\n {\n BN_ULONG ql, qh;\n t2l = LBITS(d1);\n t2h = HBITS(d1);\n ql = LBITS(q);\n qh = HBITS(q);\n mul64(t2l, t2h, ql, qh);\n }\n# endif\n for (;;) {\n if ((t2h < rem) || ((t2h == rem) && (t2l <= wnump[-2])))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n if (t2l < d1)\n t2h--;\n t2l -= d1;\n }\n# endif\n }\n# endif\n l0 = bn_mul_words(tmp->d, sdiv->d, div_n, q);\n tmp->d[div_n] = l0;\n wnum.d--;\n if (bn_sub_words(wnum.d, wnum.d, tmp->d, div_n + 1)) {\n q--;\n if (bn_add_words(wnum.d, wnum.d, sdiv->d, div_n))\n (*wnump)++;\n }\n *resp = q;\n }\n bn_correct_top(snum);\n if (rm != NULL) {\n int neg = num->neg;\n BN_rshift(rm, snum, norm_shift);\n if (!BN_is_zero(rm))\n rm->neg = neg;\n bn_check_top(rm);\n }\n if (no_branch)\n bn_correct_top(res);\n BN_CTX_end(ctx);\n return (1);\n err:\n bn_check_top(rm);\n BN_CTX_end(ctx);\n return (0);\n}', 'int BN_rshift(BIGNUM *r, const BIGNUM *a, int n)\n{\n int i, j, nw, lb, rb;\n BN_ULONG *t, *f;\n BN_ULONG l, tmp;\n bn_check_top(r);\n bn_check_top(a);\n if (n < 0) {\n BNerr(BN_F_BN_RSHIFT, BN_R_INVALID_SHIFT);\n return 0;\n }\n nw = n / BN_BITS2;\n rb = n % BN_BITS2;\n lb = BN_BITS2 - rb;\n if (nw >= a->top || a->top == 0) {\n BN_zero(r);\n return (1);\n }\n i = (BN_num_bits(a) - n + (BN_BITS2 - 1)) / BN_BITS2;\n if (r != a) {\n r->neg = a->neg;\n if (bn_wexpand(r, i) == NULL)\n return (0);\n } else {\n if (n == 0)\n return 1;\n }\n f = &(a->d[nw]);\n t = r->d;\n j = a->top - nw;\n r->top = i;\n if (rb == 0) {\n for (i = j; i != 0; i--)\n *(t++) = *(f++);\n } else {\n l = *(f++);\n for (i = j - 1; i != 0; i--) {\n tmp = (l >> rb) & BN_MASK2;\n l = *(f++);\n *(t++) = (tmp | (l << lb)) & BN_MASK2;\n }\n if ((l = (l >> rb) & BN_MASK2))\n *(t) = l;\n }\n bn_check_top(r);\n return (1);\n}', 'int BN_set_word(BIGNUM *a, BN_ULONG w)\n{\n bn_check_top(a);\n if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)\n return (0);\n a->neg = 0;\n a->d[0] = w;\n a->top = (w ? 1 : 0);\n bn_check_top(a);\n return (1);\n}', 'static ossl_inline BIGNUM *bn_expand(BIGNUM *a, int bits)\n{\n if (bits > (INT_MAX - BN_BITS2 + 1))\n return NULL;\n if(((bits+BN_BITS2-1)/BN_BITS2) <= (a)->dmax)\n return a;\n return bn_expand2((a),(bits+BN_BITS2-1)/BN_BITS2);\n}'] |
21,003 | 0 | https://github.com/openssl/openssl/blob/2864df8f9d3264e19b49a246e272fb513f4c1be3/crypto/bn/bn_ctx.c/#L270 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | ['int BN_GF2m_mod_solve_quad_arr(BIGNUM *r, const BIGNUM *a_, const int p[],\n BN_CTX *ctx)\n{\n int ret = 0, count = 0, j;\n BIGNUM *a, *z, *rho, *w, *w2, *tmp;\n bn_check_top(a_);\n if (!p[0]) {\n BN_zero(r);\n return 1;\n }\n BN_CTX_start(ctx);\n a = BN_CTX_get(ctx);\n z = BN_CTX_get(ctx);\n w = BN_CTX_get(ctx);\n if (w == NULL)\n goto err;\n if (!BN_GF2m_mod_arr(a, a_, p))\n goto err;\n if (BN_is_zero(a)) {\n BN_zero(r);\n ret = 1;\n goto err;\n }\n if (p[0] & 0x1) {\n if (!BN_copy(z, a))\n goto err;\n for (j = 1; j <= (p[0] - 1) / 2; j++) {\n if (!BN_GF2m_mod_sqr_arr(z, z, p, ctx))\n goto err;\n if (!BN_GF2m_mod_sqr_arr(z, z, p, ctx))\n goto err;\n if (!BN_GF2m_add(z, z, a))\n goto err;\n }\n } else {\n rho = BN_CTX_get(ctx);\n w2 = BN_CTX_get(ctx);\n tmp = BN_CTX_get(ctx);\n if (tmp == NULL)\n goto err;\n do {\n if (!BN_priv_rand(rho, p[0], BN_RAND_TOP_ONE, BN_RAND_BOTTOM_ANY))\n goto err;\n if (!BN_GF2m_mod_arr(rho, rho, p))\n goto err;\n BN_zero(z);\n if (!BN_copy(w, rho))\n goto err;\n for (j = 1; j <= p[0] - 1; j++) {\n if (!BN_GF2m_mod_sqr_arr(z, z, p, ctx))\n goto err;\n if (!BN_GF2m_mod_sqr_arr(w2, w, p, ctx))\n goto err;\n if (!BN_GF2m_mod_mul_arr(tmp, w2, a, p, ctx))\n goto err;\n if (!BN_GF2m_add(z, z, tmp))\n goto err;\n if (!BN_GF2m_add(w, w2, rho))\n goto err;\n }\n count++;\n } while (BN_is_zero(w) && (count < MAX_ITERATIONS));\n if (BN_is_zero(w)) {\n BNerr(BN_F_BN_GF2M_MOD_SOLVE_QUAD_ARR, BN_R_TOO_MANY_ITERATIONS);\n goto err;\n }\n }\n if (!BN_GF2m_mod_sqr_arr(w, z, p, ctx))\n goto err;\n if (!BN_GF2m_add(w, z, w))\n goto err;\n if (BN_GF2m_cmp(w, a)) {\n BNerr(BN_F_BN_GF2M_MOD_SOLVE_QUAD_ARR, BN_R_NO_SOLUTION);\n goto err;\n }\n if (!BN_copy(r, z))\n goto err;\n bn_check_top(r);\n ret = 1;\n err:\n BN_CTX_end(ctx);\n return ret;\n}', 'void BN_CTX_start(BN_CTX *ctx)\n{\n CTXDBG("ENTER BN_CTX_start()", ctx);\n if (ctx->err_stack || ctx->too_many)\n ctx->err_stack++;\n else if (!BN_STACK_push(&ctx->stack, ctx->used)) {\n BNerr(BN_F_BN_CTX_START, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n ctx->err_stack++;\n }\n CTXDBG("LEAVE BN_CTX_start()", ctx);\n}', 'int BN_GF2m_mod_sqr_arr(BIGNUM *r, const BIGNUM *a, const int p[],\n BN_CTX *ctx)\n{\n int i, ret = 0;\n BIGNUM *s;\n bn_check_top(a);\n BN_CTX_start(ctx);\n if ((s = BN_CTX_get(ctx)) == NULL)\n goto err;\n if (!bn_wexpand(s, 2 * a->top))\n goto err;\n for (i = a->top - 1; i >= 0; i--) {\n s->d[2 * i + 1] = SQR1(a->d[i]);\n s->d[2 * i] = SQR0(a->d[i]);\n }\n s->top = 2 * a->top;\n bn_correct_top(s);\n if (!BN_GF2m_mod_arr(r, s, p))\n goto err;\n bn_check_top(r);\n ret = 1;\n err:\n BN_CTX_end(ctx);\n return ret;\n}', 'void BN_CTX_end(BN_CTX *ctx)\n{\n if (ctx == NULL)\n return;\n CTXDBG("ENTER BN_CTX_end()", ctx);\n if (ctx->err_stack)\n ctx->err_stack--;\n else {\n unsigned int fp = BN_STACK_pop(&ctx->stack);\n if (fp < ctx->used)\n BN_POOL_release(&ctx->pool, ctx->used - fp);\n ctx->used = fp;\n ctx->too_many = 0;\n }\n CTXDBG("LEAVE BN_CTX_end()", ctx);\n}', 'static unsigned int BN_STACK_pop(BN_STACK *st)\n{\n return st->indexes[--(st->depth)];\n}'] |
21,004 | 0 | https://github.com/openssl/openssl/blob/81eae077ce679c1d7d29e19991bf055e4888a2fc/crypto/poly1305/poly1305.c/#L476 | void Poly1305_Update(POLY1305 *ctx, const unsigned char *inp, size_t len)
{
#ifdef POLY1305_ASM
poly1305_blocks_f poly1305_blocks = ctx->func.blocks;
#endif
size_t rem, num;
if ((num = ctx->num)) {
rem = POLY1305_BLOCK_SIZE - num;
if (len >= rem) {
memcpy(ctx->data + num, inp, rem);
poly1305_blocks(ctx->opaque, ctx->data, POLY1305_BLOCK_SIZE, 1);
inp += rem;
len -= rem;
} else {
memcpy(ctx->data + num, inp, len);
ctx->num = num + len;
return;
}
}
rem = len % POLY1305_BLOCK_SIZE;
len -= rem;
if (len >= POLY1305_BLOCK_SIZE) {
poly1305_blocks(ctx->opaque, inp, len, 1);
inp += len;
}
if (rem)
memcpy(ctx->data, inp, rem);
ctx->num = rem;
} | ['static int chacha20_poly1305_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg,\n void *ptr)\n{\n EVP_CHACHA_AEAD_CTX *actx = aead_data(ctx);\n switch(type) {\n case EVP_CTRL_INIT:\n if (actx == NULL)\n actx = ctx->cipher_data\n = OPENSSL_zalloc(sizeof(*actx) + Poly1305_ctx_size());\n if (actx == NULL) {\n EVPerr(EVP_F_CHACHA20_POLY1305_CTRL, EVP_R_INITIALIZATION_ERROR);\n return 0;\n }\n actx->len.aad = 0;\n actx->len.text = 0;\n actx->aad = 0;\n actx->mac_inited = 0;\n actx->tag_len = 0;\n actx->nonce_len = 12;\n actx->tls_payload_length = NO_TLS_PAYLOAD_LENGTH;\n return 1;\n case EVP_CTRL_COPY:\n if (actx) {\n if ((((EVP_CIPHER_CTX *)ptr)->cipher_data =\n BUF_memdup(actx,sizeof(*actx) + Poly1305_ctx_size()))\n == NULL) {\n EVPerr(EVP_F_CHACHA20_POLY1305_CTRL, EVP_R_COPY_ERROR);\n return 0;\n }\n }\n return 1;\n case EVP_CTRL_AEAD_SET_IVLEN:\n if (arg <= 0 || arg > CHACHA_CTR_SIZE)\n return 0;\n actx->nonce_len = arg;\n return 1;\n case EVP_CTRL_AEAD_SET_IV_FIXED:\n if (arg != 12)\n return 0;\n actx->nonce[0] = actx->key.counter[1]\n = CHACHA_U8TOU32((unsigned char *)ptr);\n actx->nonce[1] = actx->key.counter[2]\n = CHACHA_U8TOU32((unsigned char *)ptr+4);\n actx->nonce[2] = actx->key.counter[3]\n = CHACHA_U8TOU32((unsigned char *)ptr+8);\n return 1;\n case EVP_CTRL_AEAD_SET_TAG:\n if (arg <= 0 || arg > POLY1305_BLOCK_SIZE)\n return 0;\n if (ptr != NULL) {\n memcpy(actx->tag, ptr, arg);\n actx->tag_len = arg;\n }\n return 1;\n case EVP_CTRL_AEAD_GET_TAG:\n if (arg <= 0 || arg > POLY1305_BLOCK_SIZE || !ctx->encrypt)\n return 0;\n memcpy(ptr, actx->tag, arg);\n return 1;\n case EVP_CTRL_AEAD_TLS1_AAD:\n if (arg != EVP_AEAD_TLS1_AAD_LEN)\n return 0;\n {\n unsigned int len;\n unsigned char *aad = ptr, temp[POLY1305_BLOCK_SIZE];\n len = aad[EVP_AEAD_TLS1_AAD_LEN - 2] << 8 |\n aad[EVP_AEAD_TLS1_AAD_LEN - 1];\n if (!ctx->encrypt) {\n len -= POLY1305_BLOCK_SIZE;\n memcpy(temp, aad, EVP_AEAD_TLS1_AAD_LEN - 2);\n aad = temp;\n temp[EVP_AEAD_TLS1_AAD_LEN - 2] = (unsigned char)(len >> 8);\n temp[EVP_AEAD_TLS1_AAD_LEN - 1] = (unsigned char)len;\n }\n actx->tls_payload_length = len;\n actx->key.counter[1] = actx->nonce[0];\n actx->key.counter[2] = actx->nonce[1] ^ CHACHA_U8TOU32(aad);\n actx->key.counter[3] = actx->nonce[2] ^ CHACHA_U8TOU32(aad+4);\n actx->mac_inited = 0;\n chacha20_poly1305_cipher(ctx, NULL, aad, EVP_AEAD_TLS1_AAD_LEN);\n return POLY1305_BLOCK_SIZE;\n }\n case EVP_CTRL_AEAD_SET_MAC_KEY:\n return 1;\n default:\n return -1;\n }\n}', 'static int chacha20_poly1305_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,\n const unsigned char *in, size_t len)\n{\n EVP_CHACHA_AEAD_CTX *actx = aead_data(ctx);\n size_t rem, plen = actx->tls_payload_length;\n static const unsigned char zero[POLY1305_BLOCK_SIZE] = { 0 };\n if (!actx->mac_inited) {\n actx->key.counter[0] = 0;\n memset(actx->key.buf, 0, sizeof(actx->key.buf));\n ChaCha20_ctr32(actx->key.buf, actx->key.buf, CHACHA_BLK_SIZE,\n actx->key.key.d, actx->key.counter);\n Poly1305_Init(POLY1305_ctx(actx), actx->key.buf);\n actx->key.counter[0] = 1;\n actx->key.partial_len = 0;\n actx->len.aad = actx->len.text = 0;\n actx->mac_inited = 1;\n }\n if (in) {\n if (out == NULL) {\n Poly1305_Update(POLY1305_ctx(actx), in, len);\n actx->len.aad += len;\n actx->aad = 1;\n return len;\n } else {\n if (actx->aad) {\n if ((rem = (size_t)actx->len.aad % POLY1305_BLOCK_SIZE))\n Poly1305_Update(POLY1305_ctx(actx), zero,\n POLY1305_BLOCK_SIZE - rem);\n actx->aad = 0;\n }\n actx->tls_payload_length = NO_TLS_PAYLOAD_LENGTH;\n if (plen == NO_TLS_PAYLOAD_LENGTH)\n plen = len;\n else if (len != plen + POLY1305_BLOCK_SIZE)\n return -1;\n if (ctx->encrypt) {\n chacha_cipher(ctx, out, in, plen);\n Poly1305_Update(POLY1305_ctx(actx), out, plen);\n in += plen;\n out += plen;\n actx->len.text += plen;\n } else {\n Poly1305_Update(POLY1305_ctx(actx), in, plen);\n chacha_cipher(ctx, out, in, plen);\n in += plen;\n out += plen;\n actx->len.text += plen;\n }\n }\n }\n if (in == NULL\n || plen != len) {\n const union {\n long one;\n char little;\n } is_endian = { 1 };\n unsigned char temp[POLY1305_BLOCK_SIZE];\n if (actx->aad) {\n if ((rem = (size_t)actx->len.aad % POLY1305_BLOCK_SIZE))\n Poly1305_Update(POLY1305_ctx(actx), zero,\n POLY1305_BLOCK_SIZE - rem);\n actx->aad = 0;\n }\n if ((rem = (size_t)actx->len.text % POLY1305_BLOCK_SIZE))\n Poly1305_Update(POLY1305_ctx(actx), zero,\n POLY1305_BLOCK_SIZE - rem);\n if (is_endian.little) {\n Poly1305_Update(POLY1305_ctx(actx),\n (unsigned char *)&actx->len, POLY1305_BLOCK_SIZE);\n } else {\n temp[0] = (unsigned char)(actx->len.aad);\n temp[1] = (unsigned char)(actx->len.aad>>8);\n temp[2] = (unsigned char)(actx->len.aad>>16);\n temp[3] = (unsigned char)(actx->len.aad>>24);\n temp[4] = (unsigned char)(actx->len.aad>>32);\n temp[5] = (unsigned char)(actx->len.aad>>40);\n temp[6] = (unsigned char)(actx->len.aad>>48);\n temp[7] = (unsigned char)(actx->len.aad>>56);\n temp[8] = (unsigned char)(actx->len.text);\n temp[9] = (unsigned char)(actx->len.text>>8);\n temp[10] = (unsigned char)(actx->len.text>>16);\n temp[11] = (unsigned char)(actx->len.text>>24);\n temp[12] = (unsigned char)(actx->len.text>>32);\n temp[13] = (unsigned char)(actx->len.text>>40);\n temp[14] = (unsigned char)(actx->len.text>>48);\n temp[15] = (unsigned char)(actx->len.text>>56);\n Poly1305_Update(POLY1305_ctx(actx), temp, POLY1305_BLOCK_SIZE);\n }\n Poly1305_Final(POLY1305_ctx(actx), ctx->encrypt ? actx->tag\n : temp);\n actx->mac_inited = 0;\n if (in != NULL && len != plen) {\n if (ctx->encrypt) {\n memcpy(out, actx->tag, POLY1305_BLOCK_SIZE);\n } else {\n if (CRYPTO_memcmp(temp, in, POLY1305_BLOCK_SIZE)) {\n memset(out, 0, plen);\n return -1;\n }\n }\n }\n else if (!ctx->encrypt) {\n if (CRYPTO_memcmp(temp, actx->tag, actx->tag_len))\n return -1;\n }\n }\n return len;\n}', 'void Poly1305_Update(POLY1305 *ctx, const unsigned char *inp, size_t len)\n{\n#ifdef POLY1305_ASM\n poly1305_blocks_f poly1305_blocks = ctx->func.blocks;\n#endif\n size_t rem, num;\n if ((num = ctx->num)) {\n rem = POLY1305_BLOCK_SIZE - num;\n if (len >= rem) {\n memcpy(ctx->data + num, inp, rem);\n poly1305_blocks(ctx->opaque, ctx->data, POLY1305_BLOCK_SIZE, 1);\n inp += rem;\n len -= rem;\n } else {\n memcpy(ctx->data + num, inp, len);\n ctx->num = num + len;\n return;\n }\n }\n rem = len % POLY1305_BLOCK_SIZE;\n len -= rem;\n if (len >= POLY1305_BLOCK_SIZE) {\n poly1305_blocks(ctx->opaque, inp, len, 1);\n inp += len;\n }\n if (rem)\n memcpy(ctx->data, inp, rem);\n ctx->num = rem;\n}'] |
21,005 | 0 | https://github.com/openssl/openssl/blob/0db46a7dd79cac420c08d68fc782d561e7927af1/apps/x509.c/#L1215 | static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
X509 *x, X509 *xca, EVP_PKEY *pkey,
STACK_OF(OPENSSL_STRING) *sigopts,
char *serialfile, int create,
int days, int clrext, CONF *conf, char *section,
ASN1_INTEGER *sno)
{
int ret=0;
ASN1_INTEGER *bs=NULL;
X509_STORE_CTX xsc;
EVP_PKEY *upkey;
upkey = X509_get_pubkey(xca);
EVP_PKEY_copy_parameters(upkey,pkey);
EVP_PKEY_free(upkey);
if(!X509_STORE_CTX_init(&xsc,ctx,x,NULL))
{
BIO_printf(bio_err,"Error initialising X509 store\n");
goto end;
}
if (sno) bs = sno;
else if (!(bs = x509_load_serial(CAfile, serialfile, create)))
goto end;
X509_STORE_CTX_set_cert(&xsc,x);
X509_STORE_CTX_set_flags(&xsc, X509_V_FLAG_CHECK_SS_SIGNATURE);
if (!reqfile && X509_verify_cert(&xsc) <= 0)
goto end;
if (!X509_check_private_key(xca,pkey))
{
BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
goto end;
}
if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;
if (!X509_set_serialNumber(x,bs)) goto end;
if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)
goto end;
if (X509_time_adj_ex(X509_get_notAfter(x),days, 0, NULL) == NULL)
goto end;
if (clrext)
{
while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
}
if (conf)
{
X509V3_CTX ctx2;
#ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
X509_set_version(x, force_version);
#else
X509_set_version(x,2);
#endif
X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
X509V3_set_nconf(&ctx2, conf);
if (!X509V3_EXT_add_nconf(conf, &ctx2, section, x)) goto end;
}
if (!do_X509_sign(bio_err, x, pkey, digest, sigopts))
goto end;
ret=1;
end:
X509_STORE_CTX_cleanup(&xsc);
if (!ret)
ERR_print_errors(bio_err);
if (!sno) ASN1_INTEGER_free(bs);
return ret;
} | ['static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,\n\t \t\tX509 *x, X509 *xca, EVP_PKEY *pkey,\n\t\t\tSTACK_OF(OPENSSL_STRING) *sigopts,\n\t \t\tchar *serialfile, int create,\n\t \t\tint days, int clrext, CONF *conf, char *section,\n\t\t\tASN1_INTEGER *sno)\n\t{\n\tint ret=0;\n\tASN1_INTEGER *bs=NULL;\n\tX509_STORE_CTX xsc;\n\tEVP_PKEY *upkey;\n\tupkey = X509_get_pubkey(xca);\n\tEVP_PKEY_copy_parameters(upkey,pkey);\n\tEVP_PKEY_free(upkey);\n\tif(!X509_STORE_CTX_init(&xsc,ctx,x,NULL))\n\t\t{\n\t\tBIO_printf(bio_err,"Error initialising X509 store\\n");\n\t\tgoto end;\n\t\t}\n\tif (sno) bs = sno;\n\telse if (!(bs = x509_load_serial(CAfile, serialfile, create)))\n\t\tgoto end;\n\tX509_STORE_CTX_set_cert(&xsc,x);\n\tX509_STORE_CTX_set_flags(&xsc, X509_V_FLAG_CHECK_SS_SIGNATURE);\n\tif (!reqfile && X509_verify_cert(&xsc) <= 0)\n\t\tgoto end;\n\tif (!X509_check_private_key(xca,pkey))\n\t\t{\n\t\tBIO_printf(bio_err,"CA certificate and CA private key do not match\\n");\n\t\tgoto end;\n\t\t}\n\tif (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;\n\tif (!X509_set_serialNumber(x,bs)) goto end;\n\tif (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)\n\t\tgoto end;\n\tif (X509_time_adj_ex(X509_get_notAfter(x),days, 0, NULL) == NULL)\n\t\tgoto end;\n\tif (clrext)\n\t\t{\n\t\twhile (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);\n\t\t}\n\tif (conf)\n\t\t{\n\t\tX509V3_CTX ctx2;\n#ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL\n\t\tX509_set_version(x, force_version);\n#else\n\t\tX509_set_version(x,2);\n#endif\n X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);\n X509V3_set_nconf(&ctx2, conf);\n if (!X509V3_EXT_add_nconf(conf, &ctx2, section, x)) goto end;\n\t\t}\n\tif (!do_X509_sign(bio_err, x, pkey, digest, sigopts))\n\t\tgoto end;\n\tret=1;\nend:\n\tX509_STORE_CTX_cleanup(&xsc);\n\tif (!ret)\n\t\tERR_print_errors(bio_err);\n\tif (!sno) ASN1_INTEGER_free(bs);\n\treturn ret;\n\t}', 'EVP_PKEY *X509_get_pubkey(X509 *x)\n\t{\n\tif ((x == NULL) || (x->cert_info == NULL))\n\t\treturn(NULL);\n\treturn(X509_PUBKEY_get(x->cert_info->key));\n\t}', 'EVP_PKEY *X509_PUBKEY_get(X509_PUBKEY *key)\n\t{\n\tEVP_PKEY *ret=NULL;\n\tif (key == NULL) goto error;\n\tif (key->pkey != NULL)\n\t\t{\n\t\tCRYPTO_add(&key->pkey->references, 1, CRYPTO_LOCK_EVP_PKEY);\n\t\treturn key->pkey;\n\t\t}\n\tif (key->public_key == NULL) goto error;\n\tif ((ret = EVP_PKEY_new()) == NULL)\n\t\t{\n\t\tX509err(X509_F_X509_PUBKEY_GET, ERR_R_MALLOC_FAILURE);\n\t\tgoto error;\n\t\t}\n\tif (!EVP_PKEY_set_type(ret, OBJ_obj2nid(key->algor->algorithm)))\n\t\t{\n\t\tX509err(X509_F_X509_PUBKEY_GET,X509_R_UNSUPPORTED_ALGORITHM);\n\t\tgoto error;\n\t\t}\n\tif (ret->ameth->pub_decode)\n\t\t{\n\t\tif (!ret->ameth->pub_decode(ret, key))\n\t\t\t{\n\t\t\tX509err(X509_F_X509_PUBKEY_GET,\n\t\t\t\t\t\tX509_R_PUBLIC_KEY_DECODE_ERROR);\n\t\t\tgoto error;\n\t\t\t}\n\t\t}\n\telse\n\t\t{\n\t\tX509err(X509_F_X509_PUBKEY_GET, X509_R_METHOD_NOT_SUPPORTED);\n\t\tgoto error;\n\t\t}\n\tCRYPTO_w_lock(CRYPTO_LOCK_EVP_PKEY);\n\tif (key->pkey)\n\t\t{\n\t\tCRYPTO_w_unlock(CRYPTO_LOCK_EVP_PKEY);\n\t\tEVP_PKEY_free(ret);\n\t\tret = key->pkey;\n\t\t}\n\telse\n\t\t{\n\t\tkey->pkey = ret;\n\t\tCRYPTO_w_unlock(CRYPTO_LOCK_EVP_PKEY);\n\t\t}\n\tCRYPTO_add(&ret->references, 1, CRYPTO_LOCK_EVP_PKEY);\n\treturn ret;\n\terror:\n\tif (ret != NULL)\n\t\tEVP_PKEY_free(ret);\n\treturn(NULL);\n\t}'] |
21,006 | 0 | https://github.com/libav/libav/blob/0bf511d579c7b21f1244eec688abf571ca1235bd/libswscale/swscale_unscaled.c/#L473 | static rgbConvFn findRgbConvFn(SwsContext *c)
{
const enum AVPixelFormat srcFormat = c->srcFormat;
const enum AVPixelFormat dstFormat = c->dstFormat;
const int srcId = c->srcFormatBpp;
const int dstId = c->dstFormatBpp;
rgbConvFn conv = NULL;
const AVPixFmtDescriptor *desc_src = av_pix_fmt_desc_get(srcFormat);
const AVPixFmtDescriptor *desc_dst = av_pix_fmt_desc_get(dstFormat);
#define IS_NOT_NE(bpp, desc) \
(((bpp + 7) >> 3) == 2 && \
(!(desc->flags & PIX_FMT_BE) != !HAVE_BIGENDIAN))
if (IS_NOT_NE(srcId, desc_src) || IS_NOT_NE(dstId, desc_dst))
return NULL;
#define CONV_IS(src, dst) (srcFormat == AV_PIX_FMT_##src && dstFormat == AV_PIX_FMT_##dst)
if (isRGBA32(srcFormat) && isRGBA32(dstFormat)) {
if ( CONV_IS(ABGR, RGBA)
|| CONV_IS(ARGB, BGRA)
|| CONV_IS(BGRA, ARGB)
|| CONV_IS(RGBA, ABGR)) conv = shuffle_bytes_3210;
else if (CONV_IS(ABGR, ARGB)
|| CONV_IS(ARGB, ABGR)) conv = shuffle_bytes_0321;
else if (CONV_IS(ABGR, BGRA)
|| CONV_IS(ARGB, RGBA)) conv = shuffle_bytes_1230;
else if (CONV_IS(BGRA, RGBA)
|| CONV_IS(RGBA, BGRA)) conv = shuffle_bytes_2103;
else if (CONV_IS(BGRA, ABGR)
|| CONV_IS(RGBA, ARGB)) conv = shuffle_bytes_3012;
} else
if ((isBGRinInt(srcFormat) && isBGRinInt(dstFormat)) ||
(isRGBinInt(srcFormat) && isRGBinInt(dstFormat))) {
switch (srcId | (dstId << 16)) {
case 0x000F000C: conv = rgb12to15; break;
case 0x000F0010: conv = rgb16to15; break;
case 0x000F0018: conv = rgb24to15; break;
case 0x000F0020: conv = rgb32to15; break;
case 0x0010000F: conv = rgb15to16; break;
case 0x00100018: conv = rgb24to16; break;
case 0x00100020: conv = rgb32to16; break;
case 0x0018000F: conv = rgb15to24; break;
case 0x00180010: conv = rgb16to24; break;
case 0x00180020: conv = rgb32to24; break;
case 0x0020000F: conv = rgb15to32; break;
case 0x00200010: conv = rgb16to32; break;
case 0x00200018: conv = rgb24to32; break;
}
} else if ((isBGRinInt(srcFormat) && isRGBinInt(dstFormat)) ||
(isRGBinInt(srcFormat) && isBGRinInt(dstFormat))) {
switch (srcId | (dstId << 16)) {
case 0x000C000C: conv = rgb12tobgr12; break;
case 0x000F000F: conv = rgb15tobgr15; break;
case 0x000F0010: conv = rgb16tobgr15; break;
case 0x000F0018: conv = rgb24tobgr15; break;
case 0x000F0020: conv = rgb32tobgr15; break;
case 0x0010000F: conv = rgb15tobgr16; break;
case 0x00100010: conv = rgb16tobgr16; break;
case 0x00100018: conv = rgb24tobgr16; break;
case 0x00100020: conv = rgb32tobgr16; break;
case 0x0018000F: conv = rgb15tobgr24; break;
case 0x00180010: conv = rgb16tobgr24; break;
case 0x00180018: conv = rgb24tobgr24; break;
case 0x00180020: conv = rgb32tobgr24; break;
case 0x0020000F: conv = rgb15tobgr32; break;
case 0x00200010: conv = rgb16tobgr32; break;
case 0x00200018: conv = rgb24tobgr32; break;
}
}
return conv;
} | ['static rgbConvFn findRgbConvFn(SwsContext *c)\n{\n const enum AVPixelFormat srcFormat = c->srcFormat;\n const enum AVPixelFormat dstFormat = c->dstFormat;\n const int srcId = c->srcFormatBpp;\n const int dstId = c->dstFormatBpp;\n rgbConvFn conv = NULL;\n const AVPixFmtDescriptor *desc_src = av_pix_fmt_desc_get(srcFormat);\n const AVPixFmtDescriptor *desc_dst = av_pix_fmt_desc_get(dstFormat);\n#define IS_NOT_NE(bpp, desc) \\\n (((bpp + 7) >> 3) == 2 && \\\n (!(desc->flags & PIX_FMT_BE) != !HAVE_BIGENDIAN))\n if (IS_NOT_NE(srcId, desc_src) || IS_NOT_NE(dstId, desc_dst))\n return NULL;\n#define CONV_IS(src, dst) (srcFormat == AV_PIX_FMT_##src && dstFormat == AV_PIX_FMT_##dst)\n if (isRGBA32(srcFormat) && isRGBA32(dstFormat)) {\n if ( CONV_IS(ABGR, RGBA)\n || CONV_IS(ARGB, BGRA)\n || CONV_IS(BGRA, ARGB)\n || CONV_IS(RGBA, ABGR)) conv = shuffle_bytes_3210;\n else if (CONV_IS(ABGR, ARGB)\n || CONV_IS(ARGB, ABGR)) conv = shuffle_bytes_0321;\n else if (CONV_IS(ABGR, BGRA)\n || CONV_IS(ARGB, RGBA)) conv = shuffle_bytes_1230;\n else if (CONV_IS(BGRA, RGBA)\n || CONV_IS(RGBA, BGRA)) conv = shuffle_bytes_2103;\n else if (CONV_IS(BGRA, ABGR)\n || CONV_IS(RGBA, ARGB)) conv = shuffle_bytes_3012;\n } else\n if ((isBGRinInt(srcFormat) && isBGRinInt(dstFormat)) ||\n (isRGBinInt(srcFormat) && isRGBinInt(dstFormat))) {\n switch (srcId | (dstId << 16)) {\n case 0x000F000C: conv = rgb12to15; break;\n case 0x000F0010: conv = rgb16to15; break;\n case 0x000F0018: conv = rgb24to15; break;\n case 0x000F0020: conv = rgb32to15; break;\n case 0x0010000F: conv = rgb15to16; break;\n case 0x00100018: conv = rgb24to16; break;\n case 0x00100020: conv = rgb32to16; break;\n case 0x0018000F: conv = rgb15to24; break;\n case 0x00180010: conv = rgb16to24; break;\n case 0x00180020: conv = rgb32to24; break;\n case 0x0020000F: conv = rgb15to32; break;\n case 0x00200010: conv = rgb16to32; break;\n case 0x00200018: conv = rgb24to32; break;\n }\n } else if ((isBGRinInt(srcFormat) && isRGBinInt(dstFormat)) ||\n (isRGBinInt(srcFormat) && isBGRinInt(dstFormat))) {\n switch (srcId | (dstId << 16)) {\n case 0x000C000C: conv = rgb12tobgr12; break;\n case 0x000F000F: conv = rgb15tobgr15; break;\n case 0x000F0010: conv = rgb16tobgr15; break;\n case 0x000F0018: conv = rgb24tobgr15; break;\n case 0x000F0020: conv = rgb32tobgr15; break;\n case 0x0010000F: conv = rgb15tobgr16; break;\n case 0x00100010: conv = rgb16tobgr16; break;\n case 0x00100018: conv = rgb24tobgr16; break;\n case 0x00100020: conv = rgb32tobgr16; break;\n case 0x0018000F: conv = rgb15tobgr24; break;\n case 0x00180010: conv = rgb16tobgr24; break;\n case 0x00180018: conv = rgb24tobgr24; break;\n case 0x00180020: conv = rgb32tobgr24; break;\n case 0x0020000F: conv = rgb15tobgr32; break;\n case 0x00200010: conv = rgb16tobgr32; break;\n case 0x00200018: conv = rgb24tobgr32; break;\n }\n }\n return conv;\n}', 'const AVPixFmtDescriptor *av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)\n{\n if (pix_fmt < 0 || pix_fmt >= AV_PIX_FMT_NB)\n return NULL;\n return &av_pix_fmt_descriptors[pix_fmt];\n}'] |
21,007 | 0 | https://github.com/libav/libav/blob/0bf511d579c7b21f1244eec688abf571ca1235bd/libavfilter/vf_pad.c/#L153 | static int config_input(AVFilterLink *inlink)
{
AVFilterContext *ctx = inlink->dst;
PadContext *pad = ctx->priv;
const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(inlink->format);
uint8_t rgba_color[4];
int ret, is_packed_rgba;
double var_values[VARS_NB], res;
char *expr;
pad->hsub = pix_desc->log2_chroma_w;
pad->vsub = pix_desc->log2_chroma_h;
var_values[VAR_PI] = M_PI;
var_values[VAR_PHI] = M_PHI;
var_values[VAR_E] = M_E;
var_values[VAR_IN_W] = var_values[VAR_IW] = inlink->w;
var_values[VAR_IN_H] = var_values[VAR_IH] = inlink->h;
var_values[VAR_OUT_W] = var_values[VAR_OW] = NAN;
var_values[VAR_OUT_H] = var_values[VAR_OH] = NAN;
var_values[VAR_A] = (double) inlink->w / inlink->h;
var_values[VAR_HSUB] = 1<<pad->hsub;
var_values[VAR_VSUB] = 1<<pad->vsub;
av_expr_parse_and_eval(&res, (expr = pad->w_expr),
var_names, var_values,
NULL, NULL, NULL, NULL, NULL, 0, ctx);
pad->w = var_values[VAR_OUT_W] = var_values[VAR_OW] = res;
if ((ret = av_expr_parse_and_eval(&res, (expr = pad->h_expr),
var_names, var_values,
NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0)
goto eval_fail;
pad->h = var_values[VAR_OUT_H] = var_values[VAR_OH] = res;
if ((ret = av_expr_parse_and_eval(&res, (expr = pad->w_expr),
var_names, var_values,
NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0)
goto eval_fail;
pad->w = var_values[VAR_OUT_W] = var_values[VAR_OW] = res;
av_expr_parse_and_eval(&res, (expr = pad->x_expr),
var_names, var_values,
NULL, NULL, NULL, NULL, NULL, 0, ctx);
pad->x = var_values[VAR_X] = res;
if ((ret = av_expr_parse_and_eval(&res, (expr = pad->y_expr),
var_names, var_values,
NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0)
goto eval_fail;
pad->y = var_values[VAR_Y] = res;
if ((ret = av_expr_parse_and_eval(&res, (expr = pad->x_expr),
var_names, var_values,
NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0)
goto eval_fail;
pad->x = var_values[VAR_X] = res;
if (pad->w < 0 || pad->h < 0 || pad->x < 0 || pad->y < 0) {
av_log(ctx, AV_LOG_ERROR, "Negative values are not acceptable.\n");
return AVERROR(EINVAL);
}
if (!pad->w)
pad->w = inlink->w;
if (!pad->h)
pad->h = inlink->h;
pad->w &= ~((1 << pad->hsub) - 1);
pad->h &= ~((1 << pad->vsub) - 1);
pad->x &= ~((1 << pad->hsub) - 1);
pad->y &= ~((1 << pad->vsub) - 1);
pad->in_w = inlink->w & ~((1 << pad->hsub) - 1);
pad->in_h = inlink->h & ~((1 << pad->vsub) - 1);
memcpy(rgba_color, pad->color, sizeof(rgba_color));
ff_fill_line_with_color(pad->line, pad->line_step, pad->w, pad->color,
inlink->format, rgba_color, &is_packed_rgba, NULL);
av_log(ctx, AV_LOG_VERBOSE, "w:%d h:%d -> w:%d h:%d x:%d y:%d color:0x%02X%02X%02X%02X[%s]\n",
inlink->w, inlink->h, pad->w, pad->h, pad->x, pad->y,
pad->color[0], pad->color[1], pad->color[2], pad->color[3],
is_packed_rgba ? "rgba" : "yuva");
if (pad->x < 0 || pad->y < 0 ||
pad->w <= 0 || pad->h <= 0 ||
(unsigned)pad->x + (unsigned)inlink->w > pad->w ||
(unsigned)pad->y + (unsigned)inlink->h > pad->h) {
av_log(ctx, AV_LOG_ERROR,
"Input area %d:%d:%d:%d not within the padded area 0:0:%d:%d or zero-sized\n",
pad->x, pad->y, pad->x + inlink->w, pad->y + inlink->h, pad->w, pad->h);
return AVERROR(EINVAL);
}
return 0;
eval_fail:
av_log(NULL, AV_LOG_ERROR,
"Error when evaluating the expression '%s'\n", expr);
return ret;
} | ['static int config_input(AVFilterLink *inlink)\n{\n AVFilterContext *ctx = inlink->dst;\n PadContext *pad = ctx->priv;\n const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(inlink->format);\n uint8_t rgba_color[4];\n int ret, is_packed_rgba;\n double var_values[VARS_NB], res;\n char *expr;\n pad->hsub = pix_desc->log2_chroma_w;\n pad->vsub = pix_desc->log2_chroma_h;\n var_values[VAR_PI] = M_PI;\n var_values[VAR_PHI] = M_PHI;\n var_values[VAR_E] = M_E;\n var_values[VAR_IN_W] = var_values[VAR_IW] = inlink->w;\n var_values[VAR_IN_H] = var_values[VAR_IH] = inlink->h;\n var_values[VAR_OUT_W] = var_values[VAR_OW] = NAN;\n var_values[VAR_OUT_H] = var_values[VAR_OH] = NAN;\n var_values[VAR_A] = (double) inlink->w / inlink->h;\n var_values[VAR_HSUB] = 1<<pad->hsub;\n var_values[VAR_VSUB] = 1<<pad->vsub;\n av_expr_parse_and_eval(&res, (expr = pad->w_expr),\n var_names, var_values,\n NULL, NULL, NULL, NULL, NULL, 0, ctx);\n pad->w = var_values[VAR_OUT_W] = var_values[VAR_OW] = res;\n if ((ret = av_expr_parse_and_eval(&res, (expr = pad->h_expr),\n var_names, var_values,\n NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0)\n goto eval_fail;\n pad->h = var_values[VAR_OUT_H] = var_values[VAR_OH] = res;\n if ((ret = av_expr_parse_and_eval(&res, (expr = pad->w_expr),\n var_names, var_values,\n NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0)\n goto eval_fail;\n pad->w = var_values[VAR_OUT_W] = var_values[VAR_OW] = res;\n av_expr_parse_and_eval(&res, (expr = pad->x_expr),\n var_names, var_values,\n NULL, NULL, NULL, NULL, NULL, 0, ctx);\n pad->x = var_values[VAR_X] = res;\n if ((ret = av_expr_parse_and_eval(&res, (expr = pad->y_expr),\n var_names, var_values,\n NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0)\n goto eval_fail;\n pad->y = var_values[VAR_Y] = res;\n if ((ret = av_expr_parse_and_eval(&res, (expr = pad->x_expr),\n var_names, var_values,\n NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0)\n goto eval_fail;\n pad->x = var_values[VAR_X] = res;\n if (pad->w < 0 || pad->h < 0 || pad->x < 0 || pad->y < 0) {\n av_log(ctx, AV_LOG_ERROR, "Negative values are not acceptable.\\n");\n return AVERROR(EINVAL);\n }\n if (!pad->w)\n pad->w = inlink->w;\n if (!pad->h)\n pad->h = inlink->h;\n pad->w &= ~((1 << pad->hsub) - 1);\n pad->h &= ~((1 << pad->vsub) - 1);\n pad->x &= ~((1 << pad->hsub) - 1);\n pad->y &= ~((1 << pad->vsub) - 1);\n pad->in_w = inlink->w & ~((1 << pad->hsub) - 1);\n pad->in_h = inlink->h & ~((1 << pad->vsub) - 1);\n memcpy(rgba_color, pad->color, sizeof(rgba_color));\n ff_fill_line_with_color(pad->line, pad->line_step, pad->w, pad->color,\n inlink->format, rgba_color, &is_packed_rgba, NULL);\n av_log(ctx, AV_LOG_VERBOSE, "w:%d h:%d -> w:%d h:%d x:%d y:%d color:0x%02X%02X%02X%02X[%s]\\n",\n inlink->w, inlink->h, pad->w, pad->h, pad->x, pad->y,\n pad->color[0], pad->color[1], pad->color[2], pad->color[3],\n is_packed_rgba ? "rgba" : "yuva");\n if (pad->x < 0 || pad->y < 0 ||\n pad->w <= 0 || pad->h <= 0 ||\n (unsigned)pad->x + (unsigned)inlink->w > pad->w ||\n (unsigned)pad->y + (unsigned)inlink->h > pad->h) {\n av_log(ctx, AV_LOG_ERROR,\n "Input area %d:%d:%d:%d not within the padded area 0:0:%d:%d or zero-sized\\n",\n pad->x, pad->y, pad->x + inlink->w, pad->y + inlink->h, pad->w, pad->h);\n return AVERROR(EINVAL);\n }\n return 0;\neval_fail:\n av_log(NULL, AV_LOG_ERROR,\n "Error when evaluating the expression \'%s\'\\n", expr);\n return ret;\n}', 'const AVPixFmtDescriptor *av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)\n{\n if (pix_fmt < 0 || pix_fmt >= AV_PIX_FMT_NB)\n return NULL;\n return &av_pix_fmt_descriptors[pix_fmt];\n}'] |
21,008 | 0 | https://github.com/libav/libav/blob/6aa4e88106a554cef1d2294bb0a18b8f843032ef/libavutil/mem.c/#L151 | void av_free(void *ptr)
{
#if CONFIG_MEMALIGN_HACK
if (ptr)
free((char*)ptr - ((char*)ptr)[-1]);
#elif HAVE_ALIGNED_MALLOC
_aligned_free(ptr);
#else
free(ptr);
#endif
} | ['static int swf_write_trailer(AVFormatContext *s)\n{\n SWFContext *swf = s->priv_data;\n AVIOContext *pb = s->pb;\n AVCodecContext *enc, *video_enc;\n int file_size, i;\n video_enc = NULL;\n for(i=0;i<s->nb_streams;i++) {\n enc = s->streams[i]->codec;\n if (enc->codec_type == AVMEDIA_TYPE_VIDEO)\n video_enc = enc;\n else\n av_fifo_free(swf->audio_fifo);\n }\n put_swf_tag(s, TAG_END);\n put_swf_end_tag(s);\n avio_flush(s->pb);\n if (s->pb->seekable && video_enc) {\n file_size = avio_tell(pb);\n avio_seek(pb, 4, SEEK_SET);\n avio_wl32(pb, file_size);\n avio_seek(pb, swf->duration_pos, SEEK_SET);\n avio_wl16(pb, swf->video_frame_number);\n avio_seek(pb, swf->vframes_pos, SEEK_SET);\n avio_wl16(pb, swf->video_frame_number);\n avio_seek(pb, file_size, SEEK_SET);\n }\n return 0;\n}', 'void av_fifo_free(AVFifoBuffer *f)\n{\n if(f){\n av_free(f->buffer);\n av_free(f);\n }\n}', 'void av_free(void *ptr)\n{\n#if CONFIG_MEMALIGN_HACK\n if (ptr)\n free((char*)ptr - ((char*)ptr)[-1]);\n#elif HAVE_ALIGNED_MALLOC\n _aligned_free(ptr);\n#else\n free(ptr);\n#endif\n}'] |
21,009 | 0 | https://github.com/openssl/openssl/blob/f006217bb628d05a2d5b866ff252bd94e3477e1f/crypto/bn/bn_lib.c/#L351 | static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
{
BN_ULONG *A, *a = NULL;
const BN_ULONG *B;
int i;
bn_check_top(b);
if (words > (INT_MAX / (4 * BN_BITS2))) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);
return NULL;
}
if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);
return (NULL);
}
if (BN_get_flags(b,BN_FLG_SECURE))
a = A = OPENSSL_secure_malloc(words * sizeof(*a));
else
a = A = OPENSSL_malloc(words * sizeof(*a));
if (A == NULL) {
BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);
return (NULL);
}
#ifdef PURIFY
memset(a, 0, sizeof(*a) * words);
#endif
#if 1
B = b->d;
if (B != NULL) {
for (i = b->top >> 2; i > 0; i--, A += 4, B += 4) {
BN_ULONG a0, a1, a2, a3;
a0 = B[0];
a1 = B[1];
a2 = B[2];
a3 = B[3];
A[0] = a0;
A[1] = a1;
A[2] = a2;
A[3] = a3;
}
switch (b->top & 3) {
case 3:
A[2] = B[2];
case 2:
A[1] = B[1];
case 1:
A[0] = B[0];
case 0:
;
}
}
#else
memset(A, 0, sizeof(*A) * words);
memcpy(A, b->d, sizeof(b->d[0]) * b->top);
#endif
return (a);
} | ['int ec_GFp_simple_set_compressed_coordinates(const EC_GROUP *group,\n EC_POINT *point,\n const BIGNUM *x_, int y_bit,\n BN_CTX *ctx)\n{\n BN_CTX *new_ctx = NULL;\n BIGNUM *tmp1, *tmp2, *x, *y;\n int ret = 0;\n ERR_clear_error();\n if (ctx == NULL) {\n ctx = new_ctx = BN_CTX_new();\n if (ctx == NULL)\n return 0;\n }\n y_bit = (y_bit != 0);\n BN_CTX_start(ctx);\n tmp1 = BN_CTX_get(ctx);\n tmp2 = BN_CTX_get(ctx);\n x = BN_CTX_get(ctx);\n y = BN_CTX_get(ctx);\n if (y == NULL)\n goto err;\n if (!BN_nnmod(x, x_, group->field, ctx))\n goto err;\n if (group->meth->field_decode == 0) {\n if (!group->meth->field_sqr(group, tmp2, x_, ctx))\n goto err;\n if (!group->meth->field_mul(group, tmp1, tmp2, x_, ctx))\n goto err;\n } else {\n if (!BN_mod_sqr(tmp2, x_, group->field, ctx))\n goto err;\n if (!BN_mod_mul(tmp1, tmp2, x_, group->field, ctx))\n goto err;\n }\n if (group->a_is_minus3) {\n if (!BN_mod_lshift1_quick(tmp2, x, group->field))\n goto err;\n if (!BN_mod_add_quick(tmp2, tmp2, x, group->field))\n goto err;\n if (!BN_mod_sub_quick(tmp1, tmp1, tmp2, group->field))\n goto err;\n } else {\n if (group->meth->field_decode) {\n if (!group->meth->field_decode(group, tmp2, group->a, ctx))\n goto err;\n if (!BN_mod_mul(tmp2, tmp2, x, group->field, ctx))\n goto err;\n } else {\n if (!group->meth->field_mul(group, tmp2, group->a, x, ctx))\n goto err;\n }\n if (!BN_mod_add_quick(tmp1, tmp1, tmp2, group->field))\n goto err;\n }\n if (group->meth->field_decode) {\n if (!group->meth->field_decode(group, tmp2, group->b, ctx))\n goto err;\n if (!BN_mod_add_quick(tmp1, tmp1, tmp2, group->field))\n goto err;\n } else {\n if (!BN_mod_add_quick(tmp1, tmp1, group->b, group->field))\n goto err;\n }\n if (!BN_mod_sqrt(y, tmp1, group->field, ctx)) {\n unsigned long err = ERR_peek_last_error();\n if (ERR_GET_LIB(err) == ERR_LIB_BN\n && ERR_GET_REASON(err) == BN_R_NOT_A_SQUARE) {\n ERR_clear_error();\n ECerr(EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES,\n EC_R_INVALID_COMPRESSED_POINT);\n } else\n ECerr(EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES,\n ERR_R_BN_LIB);\n goto err;\n }\n if (y_bit != BN_is_odd(y)) {\n if (BN_is_zero(y)) {\n int kron;\n kron = BN_kronecker(x, group->field, ctx);\n if (kron == -2)\n goto err;\n if (kron == 1)\n ECerr(EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES,\n EC_R_INVALID_COMPRESSION_BIT);\n else\n ECerr(EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES,\n EC_R_INVALID_COMPRESSED_POINT);\n goto err;\n }\n if (!BN_usub(y, group->field, y))\n goto err;\n }\n if (y_bit != BN_is_odd(y)) {\n ECerr(EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES,\n ERR_R_INTERNAL_ERROR);\n goto err;\n }\n if (!EC_POINT_set_affine_coordinates_GFp(group, point, x, y, ctx))\n goto err;\n ret = 1;\n err:\n BN_CTX_end(ctx);\n BN_CTX_free(new_ctx);\n return ret;\n}', 'BIGNUM *BN_CTX_get(BN_CTX *ctx)\n{\n BIGNUM *ret;\n CTXDBG_ENTRY("BN_CTX_get", ctx);\n if (ctx->err_stack || ctx->too_many)\n return NULL;\n if ((ret = BN_POOL_get(&ctx->pool, ctx->flags)) == NULL) {\n ctx->too_many = 1;\n BNerr(BN_F_BN_CTX_GET, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n return NULL;\n }\n BN_zero(ret);\n ctx->used++;\n CTXDBG_RET(ctx, ret);\n return ret;\n}', 'int BN_set_word(BIGNUM *a, BN_ULONG w)\n{\n bn_check_top(a);\n if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)\n return (0);\n a->neg = 0;\n a->d[0] = w;\n a->top = (w ? 1 : 0);\n bn_check_top(a);\n return (1);\n}', 'int BN_mod_add_quick(BIGNUM *r, const BIGNUM *a, const BIGNUM *b,\n const BIGNUM *m)\n{\n if (!BN_uadd(r, a, b))\n return 0;\n if (BN_ucmp(r, m) >= 0)\n return BN_usub(r, r, m);\n return 1;\n}', 'int BN_uadd(BIGNUM *r, const BIGNUM *a, const BIGNUM *b)\n{\n int max, min, dif;\n const BN_ULONG *ap, *bp;\n BN_ULONG *rp, carry, t1, t2;\n const BIGNUM *tmp;\n bn_check_top(a);\n bn_check_top(b);\n if (a->top < b->top) {\n tmp = a;\n a = b;\n b = tmp;\n }\n max = a->top;\n min = b->top;\n dif = max - min;\n if (bn_wexpand(r, max + 1) == NULL)\n return 0;\n r->top = max;\n ap = a->d;\n bp = b->d;\n rp = r->d;\n carry = bn_add_words(rp, ap, bp, min);\n rp += min;\n ap += min;\n bp += min;\n if (carry) {\n while (dif) {\n dif--;\n t1 = *(ap++);\n t2 = (t1 + 1) & BN_MASK2;\n *(rp++) = t2;\n if (t2) {\n carry = 0;\n break;\n }\n }\n if (carry) {\n *rp = 1;\n r->top++;\n }\n }\n if (dif && rp != ap)\n while (dif--)\n *(rp++) = *(ap++);\n r->neg = 0;\n bn_check_top(r);\n return 1;\n}', 'BIGNUM *bn_wexpand(BIGNUM *a, int words)\n{\n return (words <= a->dmax) ? a : bn_expand2(a, words);\n}', 'BIGNUM *bn_expand2(BIGNUM *b, int words)\n{\n bn_check_top(b);\n if (words > b->dmax) {\n BN_ULONG *a = bn_expand_internal(b, words);\n if (!a)\n return NULL;\n if (b->d) {\n OPENSSL_cleanse(b->d, b->dmax * sizeof(b->d[0]));\n bn_free_d(b);\n }\n b->d = a;\n b->dmax = words;\n }\n bn_check_top(b);\n return b;\n}', 'static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)\n{\n BN_ULONG *A, *a = NULL;\n const BN_ULONG *B;\n int i;\n bn_check_top(b);\n if (words > (INT_MAX / (4 * BN_BITS2))) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);\n return NULL;\n }\n if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);\n return (NULL);\n }\n if (BN_get_flags(b,BN_FLG_SECURE))\n a = A = OPENSSL_secure_malloc(words * sizeof(*a));\n else\n a = A = OPENSSL_malloc(words * sizeof(*a));\n if (A == NULL) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);\n return (NULL);\n }\n#ifdef PURIFY\n memset(a, 0, sizeof(*a) * words);\n#endif\n#if 1\n B = b->d;\n if (B != NULL) {\n for (i = b->top >> 2; i > 0; i--, A += 4, B += 4) {\n BN_ULONG a0, a1, a2, a3;\n a0 = B[0];\n a1 = B[1];\n a2 = B[2];\n a3 = B[3];\n A[0] = a0;\n A[1] = a1;\n A[2] = a2;\n A[3] = a3;\n }\n switch (b->top & 3) {\n case 3:\n A[2] = B[2];\n case 2:\n A[1] = B[1];\n case 1:\n A[0] = B[0];\n case 0:\n ;\n }\n }\n#else\n memset(A, 0, sizeof(*A) * words);\n memcpy(A, b->d, sizeof(b->d[0]) * b->top);\n#endif\n return (a);\n}'] |
21,010 | 0 | https://github.com/libav/libav/blob/2d497c141d1fb6df290cdf45404b01ea1697d618/libavcodec/mss4.c/#L434 | static int mss4_decode_image_block(MSS4Context *ctx, GetBitContext *gb,
uint8_t *picdst[3], int mb_x, int mb_y)
{
uint8_t vec[3][4];
int vec_len[3];
int sel_len[3], sel_flag[3];
int i, j, k, mode, split;
int prev_vec1 = 0, prev_split = 0;
int vals[3] = { 0 };
int prev_pix[3] = { 0 };
int prev_mode[16] = { 0 };
uint8_t *dst[3];
const int val_shift = ctx->quality == 100 ? 0 : 2;
for (i = 0; i < 3; i++)
dst[i] = ctx->imgbuf[i];
for (i = 0; i < 3; i++) {
vec_len[i] = vec_len_syms[!!i][get_unary(gb, 0, 3)];
for (j = 0; j < vec_len[i]; j++) {
vec[i][j] = get_coeff(gb, &ctx->vec_entry_vlc[!!i]);
vec[i][j] += ctx->prev_vec[i][j];
ctx->prev_vec[i][j] = vec[i][j];
}
sel_flag[i] = vec_len[i] > 1;
sel_len[i] = vec_len[i] > 2 ? vec_len[i] - 2 : 0;
}
for (j = 0; j < 16; j++) {
if (get_bits1(gb)) {
split = 0;
if (get_bits1(gb)) {
prev_mode[0] = 0;
vals[0] = vals[1] = vals[2] = 0;
mode = 2;
} else {
mode = get_bits1(gb);
if (mode)
split = get_bits(gb, 4);
}
for (i = 0; i < 16; i++) {
if (mode <= 1) {
vals[0] = prev_mode[i] & 7;
vals[1] = (prev_mode[i] >> 3) & 7;
vals[2] = prev_mode[i] >> 6;
if (mode == 1 && i == split) {
read_vec_pos(gb, vals, sel_flag, sel_len, vals);
}
} else if (mode == 2) {
if (get_bits1(gb))
read_vec_pos(gb, vals, sel_flag, sel_len, vals);
}
for (k = 0; k < 3; k++)
*dst[k]++ = get_value_cached(gb, vals[k], vec[k],
vec_len[k], k,
val_shift, prev_pix);
prev_mode[i] = MKVAL(vals);
}
} else {
if (get_bits1(gb)) {
split = get_bits(gb, 4);
if (split >= prev_split)
split++;
prev_split = split;
} else {
split = prev_split;
}
if (split) {
vals[0] = prev_mode[0] & 7;
vals[1] = (prev_mode[0] >> 3) & 7;
vals[2] = prev_mode[0] >> 6;
for (i = 0; i < 3; i++) {
for (k = 0; k < split; k++) {
*dst[i]++ = get_value_cached(gb, vals[i], vec[i],
vec_len[i], i, val_shift,
prev_pix);
prev_mode[k] = MKVAL(vals);
}
}
}
if (split != 16) {
vals[0] = prev_vec1 & 7;
vals[1] = (prev_vec1 >> 3) & 7;
vals[2] = prev_vec1 >> 6;
if (get_bits1(gb)) {
read_vec_pos(gb, vals, sel_flag, sel_len, vals);
prev_vec1 = MKVAL(vals);
}
for (i = 0; i < 3; i++) {
for (k = 0; k < 16 - split; k++) {
*dst[i]++ = get_value_cached(gb, vals[i], vec[i],
vec_len[i], i, val_shift,
prev_pix);
prev_mode[split + k] = MKVAL(vals);
}
}
}
}
}
for (i = 0; i < 3; i++)
for (j = 0; j < 16; j++)
memcpy(picdst[i] + mb_x * 16 + j * ctx->pic.linesize[i],
ctx->imgbuf[i] + j * 16, 16);
return 0;
} | ['static int mss4_decode_image_block(MSS4Context *ctx, GetBitContext *gb,\n uint8_t *picdst[3], int mb_x, int mb_y)\n{\n uint8_t vec[3][4];\n int vec_len[3];\n int sel_len[3], sel_flag[3];\n int i, j, k, mode, split;\n int prev_vec1 = 0, prev_split = 0;\n int vals[3] = { 0 };\n int prev_pix[3] = { 0 };\n int prev_mode[16] = { 0 };\n uint8_t *dst[3];\n const int val_shift = ctx->quality == 100 ? 0 : 2;\n for (i = 0; i < 3; i++)\n dst[i] = ctx->imgbuf[i];\n for (i = 0; i < 3; i++) {\n vec_len[i] = vec_len_syms[!!i][get_unary(gb, 0, 3)];\n for (j = 0; j < vec_len[i]; j++) {\n vec[i][j] = get_coeff(gb, &ctx->vec_entry_vlc[!!i]);\n vec[i][j] += ctx->prev_vec[i][j];\n ctx->prev_vec[i][j] = vec[i][j];\n }\n sel_flag[i] = vec_len[i] > 1;\n sel_len[i] = vec_len[i] > 2 ? vec_len[i] - 2 : 0;\n }\n for (j = 0; j < 16; j++) {\n if (get_bits1(gb)) {\n split = 0;\n if (get_bits1(gb)) {\n prev_mode[0] = 0;\n vals[0] = vals[1] = vals[2] = 0;\n mode = 2;\n } else {\n mode = get_bits1(gb);\n if (mode)\n split = get_bits(gb, 4);\n }\n for (i = 0; i < 16; i++) {\n if (mode <= 1) {\n vals[0] = prev_mode[i] & 7;\n vals[1] = (prev_mode[i] >> 3) & 7;\n vals[2] = prev_mode[i] >> 6;\n if (mode == 1 && i == split) {\n read_vec_pos(gb, vals, sel_flag, sel_len, vals);\n }\n } else if (mode == 2) {\n if (get_bits1(gb))\n read_vec_pos(gb, vals, sel_flag, sel_len, vals);\n }\n for (k = 0; k < 3; k++)\n *dst[k]++ = get_value_cached(gb, vals[k], vec[k],\n vec_len[k], k,\n val_shift, prev_pix);\n prev_mode[i] = MKVAL(vals);\n }\n } else {\n if (get_bits1(gb)) {\n split = get_bits(gb, 4);\n if (split >= prev_split)\n split++;\n prev_split = split;\n } else {\n split = prev_split;\n }\n if (split) {\n vals[0] = prev_mode[0] & 7;\n vals[1] = (prev_mode[0] >> 3) & 7;\n vals[2] = prev_mode[0] >> 6;\n for (i = 0; i < 3; i++) {\n for (k = 0; k < split; k++) {\n *dst[i]++ = get_value_cached(gb, vals[i], vec[i],\n vec_len[i], i, val_shift,\n prev_pix);\n prev_mode[k] = MKVAL(vals);\n }\n }\n }\n if (split != 16) {\n vals[0] = prev_vec1 & 7;\n vals[1] = (prev_vec1 >> 3) & 7;\n vals[2] = prev_vec1 >> 6;\n if (get_bits1(gb)) {\n read_vec_pos(gb, vals, sel_flag, sel_len, vals);\n prev_vec1 = MKVAL(vals);\n }\n for (i = 0; i < 3; i++) {\n for (k = 0; k < 16 - split; k++) {\n *dst[i]++ = get_value_cached(gb, vals[i], vec[i],\n vec_len[i], i, val_shift,\n prev_pix);\n prev_mode[split + k] = MKVAL(vals);\n }\n }\n }\n }\n }\n for (i = 0; i < 3; i++)\n for (j = 0; j < 16; j++)\n memcpy(picdst[i] + mb_x * 16 + j * ctx->pic.linesize[i],\n ctx->imgbuf[i] + j * 16, 16);\n return 0;\n}'] |
21,011 | 0 | https://github.com/openssl/openssl/blob/5b166395387e896d1c109ce3a4b2b55eb4cf9c02/crypto/lhash/lhash.c/#L240 | void *lh_delete(LHASH *lh, const void *data)
{
unsigned long hash;
LHASH_NODE *nn,**rn;
const void *ret;
lh->error=0;
rn=getrn(lh,data,&hash);
if (*rn == NULL)
{
lh->num_no_delete++;
return(NULL);
}
else
{
nn= *rn;
*rn=nn->next;
ret=nn->data;
OPENSSL_free(nn);
lh->num_delete++;
}
lh->num_items--;
if ((lh->num_nodes > MIN_NODES) &&
(lh->down_load >= (lh->num_items*LH_LOAD_MULT/lh->num_nodes)))
contract(lh);
return((void *)ret);
} | ['int MAIN(int argc, char **argv)\n\t{\n\tENGINE *e = NULL;\n\tchar **args;\n\tchar *host = NULL, *port = NULL, *path = "/";\n\tchar *reqin = NULL, *respin = NULL;\n\tchar *reqout = NULL, *respout = NULL;\n\tchar *signfile = NULL, *keyfile = NULL;\n\tchar *rsignfile = NULL, *rkeyfile = NULL;\n\tchar *outfile = NULL;\n\tint add_nonce = 1, noverify = 0, use_ssl = -1;\n\tOCSP_REQUEST *req = NULL;\n\tOCSP_RESPONSE *resp = NULL;\n\tOCSP_BASICRESP *bs = NULL;\n\tX509 *issuer = NULL, *cert = NULL;\n\tX509 *signer = NULL, *rsigner = NULL;\n\tEVP_PKEY *key = NULL, *rkey = NULL;\n\tBIO *acbio = NULL, *cbio = NULL;\n\tBIO *derbio = NULL;\n\tBIO *out = NULL;\n\tint req_text = 0, resp_text = 0;\n\tlong nsec = MAX_VALIDITY_PERIOD, maxage = -1;\n\tchar *CAfile = NULL, *CApath = NULL;\n\tX509_STORE *store = NULL;\n\tSSL_CTX *ctx = NULL;\n\tSTACK_OF(X509) *sign_other = NULL, *verify_other = NULL, *rother = NULL;\n\tchar *sign_certfile = NULL, *verify_certfile = NULL, *rcertfile = NULL;\n\tunsigned long sign_flags = 0, verify_flags = 0, rflags = 0;\n\tint ret = 1;\n\tint accept_count = -1;\n\tint badarg = 0;\n\tint i;\n\tSTACK *reqnames = NULL;\n\tSTACK_OF(OCSP_CERTID) *ids = NULL;\n\tX509 *rca_cert = NULL;\n\tchar *ridx_filename = NULL;\n\tchar *rca_filename = NULL;\n\tTXT_DB *rdb = NULL;\n\tint nmin = 0, ndays = -1;\n\tif (bio_err == NULL) bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);\n\tSSL_load_error_strings();\n\targs = argv + 1;\n\treqnames = sk_new_null();\n\tids = sk_OCSP_CERTID_new_null();\n\twhile (!badarg && *args && *args[0] == \'-\')\n\t\t{\n\t\tif (!strcmp(*args, "-out"))\n\t\t\t{\n\t\t\tif (args[1])\n\t\t\t\t{\n\t\t\t\targs++;\n\t\t\t\toutfile = *args;\n\t\t\t\t}\n\t\t\telse badarg = 1;\n\t\t\t}\n\t\telse if (!strcmp(*args, "-url"))\n\t\t\t{\n\t\t\tif (args[1])\n\t\t\t\t{\n\t\t\t\targs++;\n\t\t\t\tif (!OCSP_parse_url(*args, &host, &port, &path, &use_ssl))\n\t\t\t\t\t{\n\t\t\t\t\tBIO_printf(bio_err, "Error parsing URL\\n");\n\t\t\t\t\tbadarg = 1;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\telse badarg = 1;\n\t\t\t}\n\t\telse if (!strcmp(*args, "-host"))\n\t\t\t{\n\t\t\tif (args[1])\n\t\t\t\t{\n\t\t\t\targs++;\n\t\t\t\thost = *args;\n\t\t\t\t}\n\t\t\telse badarg = 1;\n\t\t\t}\n\t\telse if (!strcmp(*args, "-port"))\n\t\t\t{\n\t\t\tif (args[1])\n\t\t\t\t{\n\t\t\t\targs++;\n\t\t\t\tport = *args;\n\t\t\t\t}\n\t\t\telse badarg = 1;\n\t\t\t}\n\t\telse if (!strcmp(*args, "-noverify"))\n\t\t\tnoverify = 1;\n\t\telse if (!strcmp(*args, "-nonce"))\n\t\t\tadd_nonce = 2;\n\t\telse if (!strcmp(*args, "-no_nonce"))\n\t\t\tadd_nonce = 0;\n\t\telse if (!strcmp(*args, "-resp_no_certs"))\n\t\t\trflags |= OCSP_NOCERTS;\n\t\telse if (!strcmp(*args, "-resp_key_id"))\n\t\t\trflags |= OCSP_RESPID_KEY;\n\t\telse if (!strcmp(*args, "-no_certs"))\n\t\t\tsign_flags |= OCSP_NOCERTS;\n\t\telse if (!strcmp(*args, "-no_signature_verify"))\n\t\t\tverify_flags |= OCSP_NOSIGS;\n\t\telse if (!strcmp(*args, "-no_cert_verify"))\n\t\t\tverify_flags |= OCSP_NOVERIFY;\n\t\telse if (!strcmp(*args, "-no_chain"))\n\t\t\tverify_flags |= OCSP_NOCHAIN;\n\t\telse if (!strcmp(*args, "-no_cert_checks"))\n\t\t\tverify_flags |= OCSP_NOCHECKS;\n\t\telse if (!strcmp(*args, "-no_explicit"))\n\t\t\tverify_flags |= OCSP_NOEXPLICIT;\n\t\telse if (!strcmp(*args, "-trust_other"))\n\t\t\tverify_flags |= OCSP_TRUSTOTHER;\n\t\telse if (!strcmp(*args, "-no_intern"))\n\t\t\tverify_flags |= OCSP_NOINTERN;\n\t\telse if (!strcmp(*args, "-text"))\n\t\t\t{\n\t\t\treq_text = 1;\n\t\t\tresp_text = 1;\n\t\t\t}\n\t\telse if (!strcmp(*args, "-req_text"))\n\t\t\treq_text = 1;\n\t\telse if (!strcmp(*args, "-resp_text"))\n\t\t\tresp_text = 1;\n\t\telse if (!strcmp(*args, "-reqin"))\n\t\t\t{\n\t\t\tif (args[1])\n\t\t\t\t{\n\t\t\t\targs++;\n\t\t\t\treqin = *args;\n\t\t\t\t}\n\t\t\telse badarg = 1;\n\t\t\t}\n\t\telse if (!strcmp(*args, "-respin"))\n\t\t\t{\n\t\t\tif (args[1])\n\t\t\t\t{\n\t\t\t\targs++;\n\t\t\t\trespin = *args;\n\t\t\t\t}\n\t\t\telse badarg = 1;\n\t\t\t}\n\t\telse if (!strcmp(*args, "-signer"))\n\t\t\t{\n\t\t\tif (args[1])\n\t\t\t\t{\n\t\t\t\targs++;\n\t\t\t\tsignfile = *args;\n\t\t\t\t}\n\t\t\telse badarg = 1;\n\t\t\t}\n\t\telse if (!strcmp (*args, "-VAfile"))\n\t\t\t{\n\t\t\tif (args[1])\n\t\t\t\t{\n\t\t\t\targs++;\n\t\t\t\tverify_certfile = *args;\n\t\t\t\tverify_flags |= OCSP_TRUSTOTHER;\n\t\t\t\t}\n\t\t\telse badarg = 1;\n\t\t\t}\n\t\telse if (!strcmp(*args, "-sign_other"))\n\t\t\t{\n\t\t\tif (args[1])\n\t\t\t\t{\n\t\t\t\targs++;\n\t\t\t\tsign_certfile = *args;\n\t\t\t\t}\n\t\t\telse badarg = 1;\n\t\t\t}\n\t\telse if (!strcmp(*args, "-verify_other"))\n\t\t\t{\n\t\t\tif (args[1])\n\t\t\t\t{\n\t\t\t\targs++;\n\t\t\t\tverify_certfile = *args;\n\t\t\t\t}\n\t\t\telse badarg = 1;\n\t\t\t}\n\t\telse if (!strcmp (*args, "-CAfile"))\n\t\t\t{\n\t\t\tif (args[1])\n\t\t\t\t{\n\t\t\t\targs++;\n\t\t\t\tCAfile = *args;\n\t\t\t\t}\n\t\t\telse badarg = 1;\n\t\t\t}\n\t\telse if (!strcmp (*args, "-CApath"))\n\t\t\t{\n\t\t\tif (args[1])\n\t\t\t\t{\n\t\t\t\targs++;\n\t\t\t\tCApath = *args;\n\t\t\t\t}\n\t\t\telse badarg = 1;\n\t\t\t}\n\t\telse if (!strcmp (*args, "-validity_period"))\n\t\t\t{\n\t\t\tif (args[1])\n\t\t\t\t{\n\t\t\t\targs++;\n\t\t\t\tnsec = atol(*args);\n\t\t\t\tif (nsec < 0)\n\t\t\t\t\t{\n\t\t\t\t\tBIO_printf(bio_err,\n\t\t\t\t\t\t"Illegal validity period %s\\n",\n\t\t\t\t\t\t*args);\n\t\t\t\t\tbadarg = 1;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\telse badarg = 1;\n\t\t\t}\n\t\telse if (!strcmp (*args, "-status_age"))\n\t\t\t{\n\t\t\tif (args[1])\n\t\t\t\t{\n\t\t\t\targs++;\n\t\t\t\tmaxage = atol(*args);\n\t\t\t\tif (maxage < 0)\n\t\t\t\t\t{\n\t\t\t\t\tBIO_printf(bio_err,\n\t\t\t\t\t\t"Illegal validity age %s\\n",\n\t\t\t\t\t\t*args);\n\t\t\t\t\tbadarg = 1;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\telse badarg = 1;\n\t\t\t}\n\t\t else if (!strcmp(*args, "-signkey"))\n\t\t\t{\n\t\t\tif (args[1])\n\t\t\t\t{\n\t\t\t\targs++;\n\t\t\t\tkeyfile = *args;\n\t\t\t\t}\n\t\t\telse badarg = 1;\n\t\t\t}\n\t\telse if (!strcmp(*args, "-reqout"))\n\t\t\t{\n\t\t\tif (args[1])\n\t\t\t\t{\n\t\t\t\targs++;\n\t\t\t\treqout = *args;\n\t\t\t\t}\n\t\t\telse badarg = 1;\n\t\t\t}\n\t\telse if (!strcmp(*args, "-respout"))\n\t\t\t{\n\t\t\tif (args[1])\n\t\t\t\t{\n\t\t\t\targs++;\n\t\t\t\trespout = *args;\n\t\t\t\t}\n\t\t\telse badarg = 1;\n\t\t\t}\n\t\t else if (!strcmp(*args, "-path"))\n\t\t\t{\n\t\t\tif (args[1])\n\t\t\t\t{\n\t\t\t\targs++;\n\t\t\t\tpath = *args;\n\t\t\t\t}\n\t\t\telse badarg = 1;\n\t\t\t}\n\t\telse if (!strcmp(*args, "-issuer"))\n\t\t\t{\n\t\t\tif (args[1])\n\t\t\t\t{\n\t\t\t\targs++;\n\t\t\t\tX509_free(issuer);\n\t\t\t\tissuer = load_cert(bio_err, *args, FORMAT_PEM,\n\t\t\t\t\tNULL, e, "issuer certificate");\n\t\t\t\tif(!issuer) goto end;\n\t\t\t\t}\n\t\t\telse badarg = 1;\n\t\t\t}\n\t\telse if (!strcmp (*args, "-cert"))\n\t\t\t{\n\t\t\tif (args[1])\n\t\t\t\t{\n\t\t\t\targs++;\n\t\t\t\tX509_free(cert);\n\t\t\t\tcert = load_cert(bio_err, *args, FORMAT_PEM,\n\t\t\t\t\tNULL, e, "certificate");\n\t\t\t\tif(!cert) goto end;\n\t\t\t\tif(!add_ocsp_cert(&req, cert, issuer, ids))\n\t\t\t\t\tgoto end;\n\t\t\t\tif(!sk_push(reqnames, *args))\n\t\t\t\t\tgoto end;\n\t\t\t\t}\n\t\t\telse badarg = 1;\n\t\t\t}\n\t\telse if (!strcmp(*args, "-serial"))\n\t\t\t{\n\t\t\tif (args[1])\n\t\t\t\t{\n\t\t\t\targs++;\n\t\t\t\tif(!add_ocsp_serial(&req, *args, issuer, ids))\n\t\t\t\t\tgoto end;\n\t\t\t\tif(!sk_push(reqnames, *args))\n\t\t\t\t\tgoto end;\n\t\t\t\t}\n\t\t\telse badarg = 1;\n\t\t\t}\n\t\telse if (!strcmp(*args, "-index"))\n\t\t\t{\n\t\t\tif (args[1])\n\t\t\t\t{\n\t\t\t\targs++;\n\t\t\t\tridx_filename = *args;\n\t\t\t\t}\n\t\t\telse badarg = 1;\n\t\t\t}\n\t\telse if (!strcmp(*args, "-CA"))\n\t\t\t{\n\t\t\tif (args[1])\n\t\t\t\t{\n\t\t\t\targs++;\n\t\t\t\trca_filename = *args;\n\t\t\t\t}\n\t\t\telse badarg = 1;\n\t\t\t}\n\t\telse if (!strcmp (*args, "-nmin"))\n\t\t\t{\n\t\t\tif (args[1])\n\t\t\t\t{\n\t\t\t\targs++;\n\t\t\t\tnmin = atol(*args);\n\t\t\t\tif (nmin < 0)\n\t\t\t\t\t{\n\t\t\t\t\tBIO_printf(bio_err,\n\t\t\t\t\t\t"Illegal update period %s\\n",\n\t\t\t\t\t\t*args);\n\t\t\t\t\tbadarg = 1;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\tif (ndays == -1)\n\t\t\t\t\tndays = 0;\n\t\t\telse badarg = 1;\n\t\t\t}\n\t\telse if (!strcmp (*args, "-nrequest"))\n\t\t\t{\n\t\t\tif (args[1])\n\t\t\t\t{\n\t\t\t\targs++;\n\t\t\t\taccept_count = atol(*args);\n\t\t\t\tif (accept_count < 0)\n\t\t\t\t\t{\n\t\t\t\t\tBIO_printf(bio_err,\n\t\t\t\t\t\t"Illegal accept count %s\\n",\n\t\t\t\t\t\t*args);\n\t\t\t\t\tbadarg = 1;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\telse badarg = 1;\n\t\t\t}\n\t\telse if (!strcmp (*args, "-ndays"))\n\t\t\t{\n\t\t\tif (args[1])\n\t\t\t\t{\n\t\t\t\targs++;\n\t\t\t\tndays = atol(*args);\n\t\t\t\tif (ndays < 0)\n\t\t\t\t\t{\n\t\t\t\t\tBIO_printf(bio_err,\n\t\t\t\t\t\t"Illegal update period %s\\n",\n\t\t\t\t\t\t*args);\n\t\t\t\t\tbadarg = 1;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\telse badarg = 1;\n\t\t\t}\n\t\telse if (!strcmp(*args, "-rsigner"))\n\t\t\t{\n\t\t\tif (args[1])\n\t\t\t\t{\n\t\t\t\targs++;\n\t\t\t\trsignfile = *args;\n\t\t\t\t}\n\t\t\telse badarg = 1;\n\t\t\t}\n\t\telse if (!strcmp(*args, "-rkey"))\n\t\t\t{\n\t\t\tif (args[1])\n\t\t\t\t{\n\t\t\t\targs++;\n\t\t\t\trkeyfile = *args;\n\t\t\t\t}\n\t\t\telse badarg = 1;\n\t\t\t}\n\t\telse if (!strcmp(*args, "-rother"))\n\t\t\t{\n\t\t\tif (args[1])\n\t\t\t\t{\n\t\t\t\targs++;\n\t\t\t\trcertfile = *args;\n\t\t\t\t}\n\t\t\telse badarg = 1;\n\t\t\t}\n\t\telse badarg = 1;\n\t\targs++;\n\t\t}\n\tif (!req && !reqin && !respin && !(port && ridx_filename)) badarg = 1;\n\tif (badarg)\n\t\t{\n\t\tBIO_printf (bio_err, "OCSP utility\\n");\n\t\tBIO_printf (bio_err, "Usage ocsp [options]\\n");\n\t\tBIO_printf (bio_err, "where options are\\n");\n\t\tBIO_printf (bio_err, "-out file output filename\\n");\n\t\tBIO_printf (bio_err, "-issuer file issuer certificate\\n");\n\t\tBIO_printf (bio_err, "-cert file certificate to check\\n");\n\t\tBIO_printf (bio_err, "-serial n serial number to check\\n");\n\t\tBIO_printf (bio_err, "-signer file certificate to sign OCSP request with\\n");\n\t\tBIO_printf (bio_err, "-signkey file private key to sign OCSP request with\\n");\n\t\tBIO_printf (bio_err, "-sign_certs file additional certificates to include in signed request\\n");\n\t\tBIO_printf (bio_err, "-no_certs don\'t include any certificates in signed request\\n");\n\t\tBIO_printf (bio_err, "-req_text print text form of request\\n");\n\t\tBIO_printf (bio_err, "-resp_text print text form of response\\n");\n\t\tBIO_printf (bio_err, "-text print text form of request and response\\n");\n\t\tBIO_printf (bio_err, "-reqout file write DER encoded OCSP request to \\"file\\"\\n");\n\t\tBIO_printf (bio_err, "-respout file write DER encoded OCSP reponse to \\"file\\"\\n");\n\t\tBIO_printf (bio_err, "-reqin file read DER encoded OCSP request from \\"file\\"\\n");\n\t\tBIO_printf (bio_err, "-respin file read DER encoded OCSP reponse from \\"file\\"\\n");\n\t\tBIO_printf (bio_err, "-nonce add OCSP nonce to request\\n");\n\t\tBIO_printf (bio_err, "-no_nonce don\'t add OCSP nonce to request\\n");\n\t\tBIO_printf (bio_err, "-url URL OCSP responder URL\\n");\n\t\tBIO_printf (bio_err, "-host host:n send OCSP request to host on port n\\n");\n\t\tBIO_printf (bio_err, "-path path to use in OCSP request\\n");\n\t\tBIO_printf (bio_err, "-CApath dir trusted certificates directory\\n");\n\t\tBIO_printf (bio_err, "-CAfile file trusted certificates file\\n");\n\t\tBIO_printf (bio_err, "-VAfile file validator certificates file\\n");\n\t\tBIO_printf (bio_err, "-validity_period n maximum validity discrepancy in seconds\\n");\n\t\tBIO_printf (bio_err, "-status_age n maximum status age in seconds\\n");\n\t\tBIO_printf (bio_err, "-noverify don\'t verify response at all\\n");\n\t\tBIO_printf (bio_err, "-verify_certs file additional certificates to search for signer\\n");\n\t\tBIO_printf (bio_err, "-trust_other don\'t verify additional certificates\\n");\n\t\tBIO_printf (bio_err, "-no_intern don\'t search certificates contained in response for signer\\n");\n\t\tBIO_printf (bio_err, "-no_sig_verify don\'t check signature on response\\n");\n\t\tBIO_printf (bio_err, "-no_cert_verify don\'t check signing certificate\\n");\n\t\tBIO_printf (bio_err, "-no_chain don\'t chain verify response\\n");\n\t\tBIO_printf (bio_err, "-no_cert_checks don\'t do additional checks on signing certificate\\n");\n\t\tBIO_printf (bio_err, "-port num\t\t port to run responder on\\n");\n\t\tBIO_printf (bio_err, "-index file\t certificate status index file\\n");\n\t\tBIO_printf (bio_err, "-CA file\t\t CA certificate\\n");\n\t\tBIO_printf (bio_err, "-rsigner file\t responder certificate to sign requests with\\n");\n\t\tBIO_printf (bio_err, "-rkey file\t responder key to sign requests with\\n");\n\t\tBIO_printf (bio_err, "-rother file\t other certificates to include in response\\n");\n\t\tBIO_printf (bio_err, "-resp_no_certs don\'t include any certificates in response\\n");\n\t\tBIO_printf (bio_err, "-nmin n\t \t number of minutes before next update\\n");\n\t\tBIO_printf (bio_err, "-ndays n\t \t number of days before next update\\n");\n\t\tBIO_printf (bio_err, "-resp_key_id identify reponse by signing certificate key ID\\n");\n\t\tBIO_printf (bio_err, "-nrequest n number of requests to accept (default unlimited)\\n");\n\t\tgoto end;\n\t\t}\n\tif(outfile) out = BIO_new_file(outfile, "w");\n\telse out = BIO_new_fp(stdout, BIO_NOCLOSE);\n\tif(!out)\n\t\t{\n\t\tBIO_printf(bio_err, "Error opening output file\\n");\n\t\tgoto end;\n\t\t}\n\tif (!req && (add_nonce != 2)) add_nonce = 0;\n\tif (!req && reqin)\n\t\t{\n\t\tderbio = BIO_new_file(reqin, "rb");\n\t\tif (!derbio)\n\t\t\t{\n\t\t\tBIO_printf(bio_err, "Error Opening OCSP request file\\n");\n\t\t\tgoto end;\n\t\t\t}\n\t\treq = d2i_OCSP_REQUEST_bio(derbio, NULL);\n\t\tBIO_free(derbio);\n\t\tif(!req)\n\t\t\t{\n\t\t\tBIO_printf(bio_err, "Error reading OCSP request\\n");\n\t\t\tgoto end;\n\t\t\t}\n\t\t}\n\tif (!req && port)\n\t\t{\n\t\tacbio = init_responder(port);\n\t\tif (!acbio)\n\t\t\tgoto end;\n\t\t}\n\tif (rsignfile && !rdb)\n\t\t{\n\t\tif (!rkeyfile) rkeyfile = rsignfile;\n\t\trsigner = load_cert(bio_err, rsignfile, FORMAT_PEM,\n\t\t\tNULL, e, "responder certificate");\n\t\tif (!rsigner)\n\t\t\t{\n\t\t\tBIO_printf(bio_err, "Error loading responder certificate\\n");\n\t\t\tgoto end;\n\t\t\t}\n\t\trca_cert = load_cert(bio_err, rca_filename, FORMAT_PEM,\n\t\t\tNULL, e, "CA certificate");\n\t\tif (rcertfile)\n\t\t\t{\n\t\t\trother = load_certs(bio_err, sign_certfile, FORMAT_PEM,\n\t\t\t\tNULL, e, "responder other certificates");\n\t\t\tif (!sign_other) goto end;\n\t\t\t}\n\t\trkey = load_key(bio_err, rkeyfile, FORMAT_PEM, NULL, NULL,\n\t\t\t"responder private key");\n\t\tif (!rkey)\n\t\t\tgoto end;\n\t\t}\n\tif(acbio)\n\t\tBIO_printf(bio_err, "Waiting for OCSP client connections...\\n");\n\tredo_accept:\n\tif (acbio)\n\t\t{\n\t\tif (!do_responder(&req, &cbio, acbio, port))\n\t\t\tgoto end;\n\t\tif (!req)\n\t\t\t{\n\t\t\tresp = OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, NULL);\n\t\t\tsend_ocsp_response(cbio, resp);\n\t\t\tgoto done_resp;\n\t\t\t}\n\t\t}\n\tif (!req && (signfile || reqout || host || add_nonce || ridx_filename))\n\t\t{\n\t\tBIO_printf(bio_err, "Need an OCSP request for this operation!\\n");\n\t\tgoto end;\n\t\t}\n\tif (req && add_nonce) OCSP_request_add1_nonce(req, NULL, -1);\n\tif (signfile)\n\t\t{\n\t\tif (!keyfile) keyfile = signfile;\n\t\tsigner = load_cert(bio_err, signfile, FORMAT_PEM,\n\t\t\tNULL, e, "signer certificate");\n\t\tif (!signer)\n\t\t\t{\n\t\t\tBIO_printf(bio_err, "Error loading signer certificate\\n");\n\t\t\tgoto end;\n\t\t\t}\n\t\tif (sign_certfile)\n\t\t\t{\n\t\t\tsign_other = load_certs(bio_err, sign_certfile, FORMAT_PEM,\n\t\t\t\tNULL, e, "signer certificates");\n\t\t\tif (!sign_other) goto end;\n\t\t\t}\n\t\tkey = load_key(bio_err, keyfile, FORMAT_PEM, NULL, NULL,\n\t\t\t"signer private key");\n\t\tif (!key)\n\t\t\tgoto end;\n\t\tif (!OCSP_request_sign(req, signer, key, EVP_sha1(), sign_other, sign_flags))\n\t\t\t{\n\t\t\tBIO_printf(bio_err, "Error signing OCSP request\\n");\n\t\t\tgoto end;\n\t\t\t}\n\t\t}\n\tif (req_text && req) OCSP_REQUEST_print(out, req, 0);\n\tif (ridx_filename && (!rkey || !rsigner || !rca_cert))\n\t\t{\n\t\tBIO_printf(bio_err, "Need a responder certificate, key and CA for this operation!\\n");\n\t\tgoto end;\n\t\t}\n\tif (ridx_filename && !rdb)\n\t\t{\n\t\tBIO *db_bio = NULL;\n\t\tdb_bio = BIO_new_file(ridx_filename, "r");\n\t\tif (!db_bio)\n\t\t\t{\n\t\t\tBIO_printf(bio_err, "Error opening index file %s\\n", ridx_filename);\n\t\t\tgoto end;\n\t\t\t}\n\t\trdb = TXT_DB_read(db_bio, DB_NUMBER);\n\t\tBIO_free(db_bio);\n\t\tif (!rdb)\n\t\t\t{\n\t\t\tBIO_printf(bio_err, "Error reading index file %s\\n", ridx_filename);\n\t\t\tgoto end;\n\t\t\t}\n\t\tif (!make_serial_index(rdb))\n\t\t\tgoto end;\n\t\t}\n\tif (rdb)\n\t\t{\n\t\ti = make_ocsp_response(&resp, req, rdb, rca_cert, rsigner, rkey, rother, rflags, nmin, ndays);\n\t\tif (cbio)\n\t\t\tsend_ocsp_response(cbio, resp);\n\t\t}\n\telse if (host)\n\t\t{\n\t\tcbio = BIO_new_connect(host);\n\t\tif (!cbio)\n\t\t\t{\n\t\t\tBIO_printf(bio_err, "Error creating connect BIO\\n");\n\t\t\tgoto end;\n\t\t\t}\n\t\tif (port) BIO_set_conn_port(cbio, port);\n\t\tif (use_ssl == 1)\n\t\t\t{\n\t\t\tBIO *sbio;\n\t\t\tctx = SSL_CTX_new(SSLv23_client_method());\n\t\t\tSSL_CTX_set_mode(ctx, SSL_MODE_AUTO_RETRY);\n\t\t\tsbio = BIO_new_ssl(ctx, 1);\n\t\t\tcbio = BIO_push(sbio, cbio);\n\t\t\t}\n\t\tif (BIO_do_connect(cbio) <= 0)\n\t\t\t{\n\t\t\tBIO_printf(bio_err, "Error connecting BIO\\n");\n\t\t\tgoto end;\n\t\t\t}\n\t\tresp = OCSP_sendreq_bio(cbio, path, req);\n\t\tBIO_free_all(cbio);\n\t\tcbio = NULL;\n\t\tif (!resp)\n\t\t\t{\n\t\t\tBIO_printf(bio_err, "Error querying OCSP responsder\\n");\n\t\t\tgoto end;\n\t\t\t}\n\t\t}\n\telse if (respin)\n\t\t{\n\t\tderbio = BIO_new_file(respin, "rb");\n\t\tif (!derbio)\n\t\t\t{\n\t\t\tBIO_printf(bio_err, "Error Opening OCSP response file\\n");\n\t\t\tgoto end;\n\t\t\t}\n\t\tresp = d2i_OCSP_RESPONSE_bio(derbio, NULL);\n\t\tBIO_free(derbio);\n\t\tif(!resp)\n\t\t\t{\n\t\t\tBIO_printf(bio_err, "Error reading OCSP response\\n");\n\t\t\tgoto end;\n\t\t\t}\n\t\t}\n\telse\n\t\t{\n\t\tret = 0;\n\t\tgoto end;\n\t\t}\n\tdone_resp:\n\tif (respout)\n\t\t{\n\t\tderbio = BIO_new_file(respout, "wb");\n\t\tif(!derbio)\n\t\t\t{\n\t\t\tBIO_printf(bio_err, "Error opening file %s\\n", respout);\n\t\t\tgoto end;\n\t\t\t}\n\t\ti2d_OCSP_RESPONSE_bio(derbio, resp);\n\t\tBIO_free(derbio);\n\t\t}\n\ti = OCSP_response_status(resp);\n\tif (i != OCSP_RESPONSE_STATUS_SUCCESSFUL)\n\t\t{\n\t\tBIO_printf(out, "Responder Error: %s (%ld)\\n",\n\t\t\t\tOCSP_response_status_str(i), i);\n\t\tret = 0;\n\t\tgoto end;\n\t\t}\n\tif (resp_text) OCSP_RESPONSE_print(out, resp, 0);\n\tif (cbio)\n\t\t{\n\t\tif (accept_count > 0)\n\t\t\taccept_count--;\n\t\tif (accept_count)\n\t\t\t{\n\t\t\tBIO_free_all(cbio);\n\t\t\tcbio = NULL;\n\t\t\tOCSP_REQUEST_free(req);\n\t\t\treq = NULL;\n\t\t\tOCSP_RESPONSE_free(resp);\n\t\t\tresp = NULL;\n\t\t\tgoto redo_accept;\n\t\t\t}\n\t\tgoto end;\n\t\t}\n\tif (!store)\n\t\tstore = setup_verify(bio_err, CAfile, CApath);\n\tif (verify_certfile)\n\t\t{\n\t\tverify_other = load_certs(bio_err, verify_certfile, FORMAT_PEM,\n\t\t\tNULL, e, "validator certificate");\n\t\tif (!verify_other) goto end;\n\t\t}\n\tbs = OCSP_response_get1_basic(resp);\n\tif (!bs)\n\t\t{\n\t\tBIO_printf(bio_err, "Error parsing response\\n");\n\t\tgoto end;\n\t\t}\n\tif (!noverify)\n\t\t{\n\t\tif (req && ((i = OCSP_check_nonce(req, bs)) <= 0))\n\t\t\t{\n\t\t\tif (i == -1)\n\t\t\t\tBIO_printf(bio_err, "WARNING: no nonce in response\\n");\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_err, "Nonce Verify error\\n");\n\t\t\t\tgoto end;\n\t\t\t\t}\n\t\t\t}\n\t\ti = OCSP_basic_verify(bs, verify_other, store, verify_flags);\n if (i < 0) i = OCSP_basic_verify(bs, NULL, store, 0);\n\t\tif(i <= 0)\n\t\t\t{\n\t\t\tBIO_printf(bio_err, "Response Verify Failure\\n", i);\n\t\t\tERR_print_errors(bio_err);\n\t\t\t}\n\t\telse\n\t\t\tBIO_printf(bio_err, "Response verify OK\\n");\n\t\t}\n\tif (!print_ocsp_summary(out, bs, req, reqnames, ids, nsec, maxage))\n\t\tgoto end;\n\tret = 0;\nend:\n\tERR_print_errors(bio_err);\n\tX509_free(signer);\n\tX509_STORE_free(store);\n\tEVP_PKEY_free(key);\n\tEVP_PKEY_free(rkey);\n\tX509_free(issuer);\n\tX509_free(cert);\n\tX509_free(rsigner);\n\tX509_free(rca_cert);\n\tTXT_DB_free(rdb);\n\tBIO_free_all(cbio);\n\tBIO_free_all(acbio);\n\tBIO_free(out);\n\tOCSP_REQUEST_free(req);\n\tOCSP_RESPONSE_free(resp);\n\tOCSP_BASICRESP_free(bs);\n\tsk_free(reqnames);\n\tsk_OCSP_CERTID_free(ids);\n\tsk_X509_pop_free(sign_other, X509_free);\n\tsk_X509_pop_free(verify_other, X509_free);\n\tif (use_ssl != -1)\n\t\t{\n\t\tOPENSSL_free(host);\n\t\tOPENSSL_free(port);\n\t\tOPENSSL_free(path);\n\t\tSSL_CTX_free(ctx);\n\t\t}\n\tEXIT(ret);\n}', 'SSL_CTX *SSL_CTX_new(SSL_METHOD *meth)\n\t{\n\tSSL_CTX *ret=NULL;\n\tif (meth == NULL)\n\t\t{\n\t\tSSLerr(SSL_F_SSL_CTX_NEW,SSL_R_NULL_SSL_METHOD_PASSED);\n\t\treturn(NULL);\n\t\t}\n\tif (SSL_get_ex_data_X509_STORE_CTX_idx() < 0)\n\t\t{\n\t\tSSLerr(SSL_F_SSL_CTX_NEW,SSL_R_X509_VERIFICATION_SETUP_PROBLEMS);\n\t\tgoto err;\n\t\t}\n\tret=(SSL_CTX *)OPENSSL_malloc(sizeof(SSL_CTX));\n\tif (ret == NULL)\n\t\tgoto err;\n\tmemset(ret,0,sizeof(SSL_CTX));\n\tret->method=meth;\n\tret->cert_store=NULL;\n\tret->session_cache_mode=SSL_SESS_CACHE_SERVER;\n\tret->session_cache_size=SSL_SESSION_CACHE_MAX_SIZE_DEFAULT;\n\tret->session_cache_head=NULL;\n\tret->session_cache_tail=NULL;\n\tret->session_timeout=meth->get_timeout();\n\tret->new_session_cb=NULL;\n\tret->remove_session_cb=NULL;\n\tret->get_session_cb=NULL;\n\tret->generate_session_id=NULL;\n\tmemset((char *)&ret->stats,0,sizeof(ret->stats));\n\tret->references=1;\n\tret->quiet_shutdown=0;\n\tret->info_callback=NULL;\n\tret->app_verify_callback=NULL;\n\tret->app_verify_arg=NULL;\n\tret->read_ahead=0;\n\tret->verify_mode=SSL_VERIFY_NONE;\n\tret->verify_depth=-1;\n\tret->default_verify_callback=NULL;\n\tif ((ret->cert=ssl_cert_new()) == NULL)\n\t\tgoto err;\n\tret->default_passwd_callback=NULL;\n\tret->default_passwd_callback_userdata=NULL;\n\tret->client_cert_cb=NULL;\n\tret->sessions=lh_new(LHASH_HASH_FN(SSL_SESSION_hash),\n\t\t\tLHASH_COMP_FN(SSL_SESSION_cmp));\n\tif (ret->sessions == NULL) goto err;\n\tret->cert_store=X509_STORE_new();\n\tif (ret->cert_store == NULL) goto err;\n\tssl_create_cipher_list(ret->method,\n\t\t&ret->cipher_list,&ret->cipher_list_by_id,\n\t\tSSL_DEFAULT_CIPHER_LIST);\n\tif (ret->cipher_list == NULL\n\t || sk_SSL_CIPHER_num(ret->cipher_list) <= 0)\n\t\t{\n\t\tSSLerr(SSL_F_SSL_CTX_NEW,SSL_R_LIBRARY_HAS_NO_CIPHERS);\n\t\tgoto err2;\n\t\t}\n\tif ((ret->rsa_md5=EVP_get_digestbyname("ssl2-md5")) == NULL)\n\t\t{\n\t\tSSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL2_MD5_ROUTINES);\n\t\tgoto err2;\n\t\t}\n\tif ((ret->md5=EVP_get_digestbyname("ssl3-md5")) == NULL)\n\t\t{\n\t\tSSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES);\n\t\tgoto err2;\n\t\t}\n\tif ((ret->sha1=EVP_get_digestbyname("ssl3-sha1")) == NULL)\n\t\t{\n\t\tSSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES);\n\t\tgoto err2;\n\t\t}\n\tif ((ret->client_CA=sk_X509_NAME_new_null()) == NULL)\n\t\tgoto err;\n\tCRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX, ret, &ret->ex_data);\n\tret->extra_certs=NULL;\n\tret->comp_methods=SSL_COMP_get_compression_methods();\n\treturn(ret);\nerr:\n\tSSLerr(SSL_F_SSL_CTX_NEW,ERR_R_MALLOC_FAILURE);\nerr2:\n\tif (ret != NULL) SSL_CTX_free(ret);\n\treturn(NULL);\n\t}', 'LHASH *lh_new(LHASH_HASH_FN_TYPE h, LHASH_COMP_FN_TYPE c)\n\t{\n\tLHASH *ret;\n\tint i;\n\tif ((ret=(LHASH *)OPENSSL_malloc(sizeof(LHASH))) == NULL)\n\t\tgoto err0;\n\tif ((ret->b=(LHASH_NODE **)OPENSSL_malloc(sizeof(LHASH_NODE *)*MIN_NODES)) == NULL)\n\t\tgoto err1;\n\tfor (i=0; i<MIN_NODES; i++)\n\t\tret->b[i]=NULL;\n\tret->comp=((c == NULL)?(LHASH_COMP_FN_TYPE)strcmp:c);\n\tret->hash=((h == NULL)?(LHASH_HASH_FN_TYPE)lh_strhash:h);\n\tret->num_nodes=MIN_NODES/2;\n\tret->num_alloc_nodes=MIN_NODES;\n\tret->p=0;\n\tret->pmax=MIN_NODES/2;\n\tret->up_load=UP_LOAD;\n\tret->down_load=DOWN_LOAD;\n\tret->num_items=0;\n\tret->num_expands=0;\n\tret->num_expand_reallocs=0;\n\tret->num_contracts=0;\n\tret->num_contract_reallocs=0;\n\tret->num_hash_calls=0;\n\tret->num_comp_calls=0;\n\tret->num_insert=0;\n\tret->num_replace=0;\n\tret->num_delete=0;\n\tret->num_no_delete=0;\n\tret->num_retrieve=0;\n\tret->num_retrieve_miss=0;\n\tret->num_hash_comps=0;\n\tret->error=0;\n\treturn(ret);\nerr1:\n\tOPENSSL_free(ret);\nerr0:\n\treturn(NULL);\n\t}', 'BIO *BIO_new_ssl(SSL_CTX *ctx, int client)\n\t{\n\tBIO *ret;\n\tSSL *ssl;\n\tif ((ret=BIO_new(BIO_f_ssl())) == NULL)\n\t\treturn(NULL);\n\tif ((ssl=SSL_new(ctx)) == NULL)\n\t\t{\n\t\tBIO_free(ret);\n\t\treturn(NULL);\n\t\t}\n\tif (client)\n\t\tSSL_set_connect_state(ssl);\n\telse\n\t\tSSL_set_accept_state(ssl);\n\tBIO_set_ssl(ret,ssl,BIO_CLOSE);\n\treturn(ret);\n\t}', 'SSL *SSL_new(SSL_CTX *ctx)\n\t{\n\tSSL *s;\n\tif (ctx == NULL)\n\t\t{\n\t\tSSLerr(SSL_F_SSL_NEW,SSL_R_NULL_SSL_CTX);\n\t\treturn(NULL);\n\t\t}\n\tif (ctx->method == NULL)\n\t\t{\n\t\tSSLerr(SSL_F_SSL_NEW,SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION);\n\t\treturn(NULL);\n\t\t}\n\ts=(SSL *)OPENSSL_malloc(sizeof(SSL));\n\tif (s == NULL) goto err;\n\tmemset(s,0,sizeof(SSL));\n#ifndef\tOPENSSL_NO_KRB5\n\ts->kssl_ctx = kssl_ctx_new();\n#endif\n\tif (ctx->cert != NULL)\n\t\t{\n\t\ts->cert = ssl_cert_dup(ctx->cert);\n\t\tif (s->cert == NULL)\n\t\t\tgoto err;\n\t\t}\n\telse\n\t\ts->cert=NULL;\n\ts->sid_ctx_length=ctx->sid_ctx_length;\n\tmemcpy(&s->sid_ctx,&ctx->sid_ctx,sizeof(s->sid_ctx));\n\ts->verify_mode=ctx->verify_mode;\n\ts->verify_depth=ctx->verify_depth;\n\ts->verify_callback=ctx->default_verify_callback;\n\ts->generate_session_id=ctx->generate_session_id;\n\ts->purpose = ctx->purpose;\n\ts->trust = ctx->trust;\n\tCRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);\n\ts->ctx=ctx;\n\ts->verify_result=X509_V_OK;\n\ts->method=ctx->method;\n\tif (!s->method->ssl_new(s))\n\t\tgoto err;\n\ts->quiet_shutdown=ctx->quiet_shutdown;\n\ts->references=1;\n\ts->server=(ctx->method->ssl_accept == ssl_undefined_function)?0:1;\n\ts->options=ctx->options;\n\ts->mode=ctx->mode;\n\ts->read_ahead=ctx->read_ahead;\n\tSSL_clear(s);\n\tCRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data);\n\treturn(s);\nerr:\n\tif (s != NULL)\n\t\t{\n\t\tif (s->cert != NULL)\n\t\t\tssl_cert_free(s->cert);\n\t\tif (s->ctx != NULL)\n\t\t\tSSL_CTX_free(s->ctx);\n\t\tOPENSSL_free(s);\n\t\t}\n\tSSLerr(SSL_F_SSL_NEW,ERR_R_MALLOC_FAILURE);\n\treturn(NULL);\n\t}', 'int SSL_clear(SSL *s)\n\t{\n\tint state;\n\tif (s->method == NULL)\n\t\t{\n\t\tSSLerr(SSL_F_SSL_CLEAR,SSL_R_NO_METHOD_SPECIFIED);\n\t\treturn(0);\n\t\t}\n\ts->error=0;\n\ts->hit=0;\n\ts->shutdown=0;\n#if 0\n\tif (s->new_session) return(1);\n#else\n\tif (s->new_session)\n\t\t{\n\t\tSSLerr(SSL_F_SSL_CLEAR,ERR_R_INTERNAL_ERROR);\n\t\treturn 0;\n\t\t}\n#endif\n\tstate=s->state;\n\ts->type=0;\n\ts->state=SSL_ST_BEFORE|((s->server)?SSL_ST_ACCEPT:SSL_ST_CONNECT);\n\ts->version=s->method->version;\n\ts->client_version=s->version;\n\ts->rwstate=SSL_NOTHING;\n\ts->rstate=SSL_ST_READ_HEADER;\n#if 0\n\ts->read_ahead=s->ctx->read_ahead;\n#endif\n\tif (s->init_buf != NULL)\n\t\t{\n\t\tBUF_MEM_free(s->init_buf);\n\t\ts->init_buf=NULL;\n\t\t}\n\tssl_clear_cipher_ctx(s);\n\tif (ssl_clear_bad_session(s))\n\t\t{\n\t\tSSL_SESSION_free(s->session);\n\t\ts->session=NULL;\n\t\t}\n\ts->first_packet=0;\n#if 1\n\tif ((s->session == NULL) && (s->method != s->ctx->method))\n\t\t{\n\t\ts->method->ssl_free(s);\n\t\ts->method=s->ctx->method;\n\t\tif (!s->method->ssl_new(s))\n\t\t\treturn(0);\n\t\t}\n\telse\n#endif\n\t\ts->method->ssl_clear(s);\n\treturn(1);\n\t}', 'int ssl_clear_bad_session(SSL *s)\n\t{\n\tif (\t(s->session != NULL) &&\n\t\t!(s->shutdown & SSL_SENT_SHUTDOWN) &&\n\t\t!(SSL_in_init(s) || SSL_in_before(s)))\n\t\t{\n\t\tSSL_CTX_remove_session(s->ctx,s->session);\n\t\treturn(1);\n\t\t}\n\telse\n\t\treturn(0);\n\t}', 'int SSL_CTX_remove_session(SSL_CTX *ctx, SSL_SESSION *c)\n{\n\treturn remove_session_lock(ctx, c, 1);\n}', 'static int remove_session_lock(SSL_CTX *ctx, SSL_SESSION *c, int lck)\n\t{\n\tSSL_SESSION *r;\n\tint ret=0;\n\tif ((c != NULL) && (c->session_id_length != 0))\n\t\t{\n\t\tif(lck) CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);\n\t\tr=(SSL_SESSION *)lh_delete(ctx->sessions,c);\n\t\tif (r != NULL)\n\t\t\t{\n\t\t\tret=1;\n\t\t\tSSL_SESSION_list_remove(ctx,c);\n\t\t\t}\n\t\tif(lck) CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);\n\t\tif (ret)\n\t\t\t{\n\t\t\tr->not_resumable=1;\n\t\t\tif (ctx->remove_session_cb != NULL)\n\t\t\t\tctx->remove_session_cb(ctx,r);\n\t\t\tSSL_SESSION_free(r);\n\t\t\t}\n\t\t}\n\telse\n\t\tret=0;\n\treturn(ret);\n\t}', 'void *lh_delete(LHASH *lh, const void *data)\n\t{\n\tunsigned long hash;\n\tLHASH_NODE *nn,**rn;\n\tconst void *ret;\n\tlh->error=0;\n\trn=getrn(lh,data,&hash);\n\tif (*rn == NULL)\n\t\t{\n\t\tlh->num_no_delete++;\n\t\treturn(NULL);\n\t\t}\n\telse\n\t\t{\n\t\tnn= *rn;\n\t\t*rn=nn->next;\n\t\tret=nn->data;\n\t\tOPENSSL_free(nn);\n\t\tlh->num_delete++;\n\t\t}\n\tlh->num_items--;\n\tif ((lh->num_nodes > MIN_NODES) &&\n\t\t(lh->down_load >= (lh->num_items*LH_LOAD_MULT/lh->num_nodes)))\n\t\tcontract(lh);\n\treturn((void *)ret);\n\t}'] |
21,012 | 0 | https://github.com/openssl/openssl/blob/b50e1bd3c3f0b8331b616a10bbc1fc20ea866d07/apps/verify.c/#L128 | int MAIN(int argc, char **argv)
{
int i,ret=1;
int purpose = -1;
char *CApath=NULL,*CAfile=NULL;
char *untfile = NULL;
STACK_OF(X509) *untrusted = NULL;
X509_STORE *cert_ctx=NULL;
X509_LOOKUP *lookup=NULL;
cert_ctx=X509_STORE_new();
if (cert_ctx == NULL) goto end;
X509_STORE_set_verify_cb_func(cert_ctx,cb);
ERR_load_crypto_strings();
apps_startup();
if (bio_err == NULL)
if ((bio_err=BIO_new(BIO_s_file())) != NULL)
BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
argc--;
argv++;
for (;;)
{
if (argc >= 1)
{
if (strcmp(*argv,"-CApath") == 0)
{
if (argc-- < 1) goto end;
CApath= *(++argv);
}
else if (strcmp(*argv,"-CAfile") == 0)
{
if (argc-- < 1) goto end;
CAfile= *(++argv);
}
else if (strcmp(*argv,"-purpose") == 0)
{
X509_PURPOSE *xptmp;
if (argc-- < 1) goto end;
i = X509_PURPOSE_get_by_sname(*(++argv));
if(i < 0)
{
BIO_printf(bio_err, "unrecognized purpose\n");
goto end;
}
xptmp = X509_PURPOSE_get0(i);
purpose = X509_PURPOSE_get_id(xptmp);
}
else if (strcmp(*argv,"-untrusted") == 0)
{
if (argc-- < 1) goto end;
untfile= *(++argv);
}
else if (strcmp(*argv,"-help") == 0)
goto end;
else if (strcmp(*argv,"-verbose") == 0)
v_verbose=1;
else if (argv[0][0] == '-')
goto end;
else
break;
argc--;
argv++;
}
else
break;
}
lookup=X509_STORE_add_lookup(cert_ctx,X509_LOOKUP_file());
if (lookup == NULL) abort();
if (CAfile) {
i=X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM);
if(!i) {
BIO_printf(bio_err, "Error loading file %s\n", CAfile);
ERR_print_errors(bio_err);
goto end;
}
} else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
lookup=X509_STORE_add_lookup(cert_ctx,X509_LOOKUP_hash_dir());
if (lookup == NULL) abort();
if (CApath) {
i=X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM);
if(!i) {
BIO_printf(bio_err, "Error loading directory %s\n", CApath);
ERR_print_errors(bio_err);
goto end;
}
} else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
ERR_clear_error();
if(untfile) {
if(!(untrusted = load_untrusted(untfile))) {
BIO_printf(bio_err, "Error loading untrusted file %s\n", untfile);
ERR_print_errors(bio_err);
goto end;
}
}
if (argc < 1) check(cert_ctx, NULL, untrusted, purpose);
else
for (i=0; i<argc; i++)
check(cert_ctx,argv[i], untrusted, purpose);
ret=0;
end:
if (ret == 1) {
BIO_printf(bio_err,"usage: verify [-verbose] [-CApath path] [-CAfile file] cert1 cert2 ...\n");
BIO_printf(bio_err,"recognized usages:\n");
for(i = 0; i < X509_PURPOSE_get_count(); i++) {
X509_PURPOSE *ptmp;
ptmp = X509_PURPOSE_get0(i);
BIO_printf(bio_err, "\t%-10s\t%s\n", X509_PURPOSE_get0_sname(ptmp),
X509_PURPOSE_get0_name(ptmp));
}
}
if (cert_ctx != NULL) X509_STORE_free(cert_ctx);
sk_X509_pop_free(untrusted, X509_free);
EXIT(ret);
} | ['int MAIN(int argc, char **argv)\n\t{\n\tint i,ret=1;\n\tint purpose = -1;\n\tchar *CApath=NULL,*CAfile=NULL;\n\tchar *untfile = NULL;\n\tSTACK_OF(X509) *untrusted = NULL;\n\tX509_STORE *cert_ctx=NULL;\n\tX509_LOOKUP *lookup=NULL;\n\tcert_ctx=X509_STORE_new();\n\tif (cert_ctx == NULL) goto end;\n\tX509_STORE_set_verify_cb_func(cert_ctx,cb);\n\tERR_load_crypto_strings();\n\tapps_startup();\n\tif (bio_err == NULL)\n\t\tif ((bio_err=BIO_new(BIO_s_file())) != NULL)\n\t\t\tBIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);\n\targc--;\n\targv++;\n\tfor (;;)\n\t\t{\n\t\tif (argc >= 1)\n\t\t\t{\n\t\t\tif (strcmp(*argv,"-CApath") == 0)\n\t\t\t\t{\n\t\t\t\tif (argc-- < 1) goto end;\n\t\t\t\tCApath= *(++argv);\n\t\t\t\t}\n\t\t\telse if (strcmp(*argv,"-CAfile") == 0)\n\t\t\t\t{\n\t\t\t\tif (argc-- < 1) goto end;\n\t\t\t\tCAfile= *(++argv);\n\t\t\t\t}\n\t\t\telse if (strcmp(*argv,"-purpose") == 0)\n\t\t\t\t{\n\t\t\t\tX509_PURPOSE *xptmp;\n\t\t\t\tif (argc-- < 1) goto end;\n\t\t\t\ti = X509_PURPOSE_get_by_sname(*(++argv));\n\t\t\t\tif(i < 0)\n\t\t\t\t\t{\n\t\t\t\t\tBIO_printf(bio_err, "unrecognized purpose\\n");\n\t\t\t\t\tgoto end;\n\t\t\t\t\t}\n\t\t\t\txptmp = X509_PURPOSE_get0(i);\n\t\t\t\tpurpose = X509_PURPOSE_get_id(xptmp);\n\t\t\t\t}\n\t\t\telse if (strcmp(*argv,"-untrusted") == 0)\n\t\t\t\t{\n\t\t\t\tif (argc-- < 1) goto end;\n\t\t\t\tuntfile= *(++argv);\n\t\t\t\t}\n\t\t\telse if (strcmp(*argv,"-help") == 0)\n\t\t\t\tgoto end;\n\t\t\telse if (strcmp(*argv,"-verbose") == 0)\n\t\t\t\tv_verbose=1;\n\t\t\telse if (argv[0][0] == \'-\')\n\t\t\t\tgoto end;\n\t\t\telse\n\t\t\t\tbreak;\n\t\t\targc--;\n\t\t\targv++;\n\t\t\t}\n\t\telse\n\t\t\tbreak;\n\t\t}\n\tlookup=X509_STORE_add_lookup(cert_ctx,X509_LOOKUP_file());\n\tif (lookup == NULL) abort();\n\tif (CAfile) {\n\t\ti=X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM);\n\t\tif(!i) {\n\t\t\tBIO_printf(bio_err, "Error loading file %s\\n", CAfile);\n\t\t\tERR_print_errors(bio_err);\n\t\t\tgoto end;\n\t\t}\n\t} else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);\n\tlookup=X509_STORE_add_lookup(cert_ctx,X509_LOOKUP_hash_dir());\n\tif (lookup == NULL) abort();\n\tif (CApath) {\n\t\ti=X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM);\n\t\tif(!i) {\n\t\t\tBIO_printf(bio_err, "Error loading directory %s\\n", CApath);\n\t\t\tERR_print_errors(bio_err);\n\t\t\tgoto end;\n\t\t}\n\t} else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);\n\tERR_clear_error();\n\tif(untfile) {\n\t\tif(!(untrusted = load_untrusted(untfile))) {\n\t\t\tBIO_printf(bio_err, "Error loading untrusted file %s\\n", untfile);\n\t\t\tERR_print_errors(bio_err);\n\t\t\tgoto end;\n\t\t}\n\t}\n\tif (argc < 1) check(cert_ctx, NULL, untrusted, purpose);\n\telse\n\t\tfor (i=0; i<argc; i++)\n\t\t\tcheck(cert_ctx,argv[i], untrusted, purpose);\n\tret=0;\nend:\n\tif (ret == 1) {\n\t\tBIO_printf(bio_err,"usage: verify [-verbose] [-CApath path] [-CAfile file] cert1 cert2 ...\\n");\n\t\tBIO_printf(bio_err,"recognized usages:\\n");\n\t\tfor(i = 0; i < X509_PURPOSE_get_count(); i++) {\n\t\t\tX509_PURPOSE *ptmp;\n\t\t\tptmp = X509_PURPOSE_get0(i);\n\t\t\tBIO_printf(bio_err, "\\t%-10s\\t%s\\n", X509_PURPOSE_get0_sname(ptmp),\n\t\t\t\t\t\t\t\tX509_PURPOSE_get0_name(ptmp));\n\t\t}\n\t}\n\tif (cert_ctx != NULL) X509_STORE_free(cert_ctx);\n\tsk_X509_pop_free(untrusted, X509_free);\n\tEXIT(ret);\n\t}', 'X509_PURPOSE * X509_PURPOSE_get0(int idx)\n{\n\tif(idx < 0) return NULL;\n\tif(idx < X509_PURPOSE_COUNT) return xstandard + idx;\n\treturn sk_X509_PURPOSE_value(xptable, idx - X509_PURPOSE_COUNT);\n}', 'IMPLEMENT_STACK_OF(X509_PURPOSE)', 'char *sk_value(STACK *st, int i)\n{\n\tif(st == NULL) return NULL;\n\treturn st->data[i];\n}', 'int X509_PURPOSE_get_id(X509_PURPOSE *xp)\n{\n\treturn xp->purpose;\n}'] |
21,013 | 0 | https://github.com/libav/libav/blob/1db9da523815beb8e9fdcbc63205b3473616c6f0/libavcodec/ra144.c/#L327 | static int ra144_decode_frame(AVCodecContext * avctx, void *vdata,
int *data_size, const uint8_t *buf, int buf_size)
{
static const uint8_t sizes[10] = {6, 5, 5, 4, 4, 3, 3, 3, 3, 2};
unsigned int refl_rms[4];
uint16_t block_coefs[4][30];
unsigned int lpc_refl[10];
int i, j;
int16_t *data = vdata;
unsigned int energy;
RA144Context *ractx = avctx->priv_data;
GetBitContext gb;
if(buf_size < 20) {
av_log(avctx, AV_LOG_ERROR,
"Frame too small (%d bytes). Truncated file?\n", buf_size);
*data_size = 0;
return buf_size;
}
init_get_bits(&gb, buf, 20 * 8);
for (i=0; i<10; i++)
lpc_refl[i] = lpc_refl_cb[i][get_bits(&gb, sizes[i])];
eval_coefs(ractx->lpc_coef[0], lpc_refl);
ractx->lpc_refl_rms[0] = rms(lpc_refl);
energy = energy_tab[get_bits(&gb, 5)];
refl_rms[0] = interp(ractx, block_coefs[0], 0, 1, ractx->old_energy);
refl_rms[1] = interp(ractx, block_coefs[1], 1, energy <= ractx->old_energy,
t_sqrt(energy*ractx->old_energy) >> 12);
refl_rms[2] = interp(ractx, block_coefs[2], 2, 0, energy);
refl_rms[3] = rescale_rms(ractx->lpc_refl_rms[0], energy);
int_to_int16(block_coefs[3], ractx->lpc_coef[0]);
for (i=0; i < 4; i++) {
do_output_subblock(ractx, block_coefs[i], refl_rms[i], &gb);
for (j=0; j < BLOCKSIZE; j++)
*data++ = av_clip_int16(ractx->curr_sblock[j + 10] << 2);
}
ractx->old_energy = energy;
ractx->lpc_refl_rms[1] = ractx->lpc_refl_rms[0];
FFSWAP(unsigned int *, ractx->lpc_coef[0], ractx->lpc_coef[1]);
*data_size = 2*160;
return 20;
} | ['static int ra144_decode_frame(AVCodecContext * avctx, void *vdata,\n int *data_size, const uint8_t *buf, int buf_size)\n{\n static const uint8_t sizes[10] = {6, 5, 5, 4, 4, 3, 3, 3, 3, 2};\n unsigned int refl_rms[4];\n uint16_t block_coefs[4][30];\n unsigned int lpc_refl[10];\n int i, j;\n int16_t *data = vdata;\n unsigned int energy;\n RA144Context *ractx = avctx->priv_data;\n GetBitContext gb;\n if(buf_size < 20) {\n av_log(avctx, AV_LOG_ERROR,\n "Frame too small (%d bytes). Truncated file?\\n", buf_size);\n *data_size = 0;\n return buf_size;\n }\n init_get_bits(&gb, buf, 20 * 8);\n for (i=0; i<10; i++)\n lpc_refl[i] = lpc_refl_cb[i][get_bits(&gb, sizes[i])];\n eval_coefs(ractx->lpc_coef[0], lpc_refl);\n ractx->lpc_refl_rms[0] = rms(lpc_refl);\n energy = energy_tab[get_bits(&gb, 5)];\n refl_rms[0] = interp(ractx, block_coefs[0], 0, 1, ractx->old_energy);\n refl_rms[1] = interp(ractx, block_coefs[1], 1, energy <= ractx->old_energy,\n t_sqrt(energy*ractx->old_energy) >> 12);\n refl_rms[2] = interp(ractx, block_coefs[2], 2, 0, energy);\n refl_rms[3] = rescale_rms(ractx->lpc_refl_rms[0], energy);\n int_to_int16(block_coefs[3], ractx->lpc_coef[0]);\n for (i=0; i < 4; i++) {\n do_output_subblock(ractx, block_coefs[i], refl_rms[i], &gb);\n for (j=0; j < BLOCKSIZE; j++)\n *data++ = av_clip_int16(ractx->curr_sblock[j + 10] << 2);\n }\n ractx->old_energy = energy;\n ractx->lpc_refl_rms[1] = ractx->lpc_refl_rms[0];\n FFSWAP(unsigned int *, ractx->lpc_coef[0], ractx->lpc_coef[1]);\n *data_size = 2*160;\n return 20;\n}', 'static inline void init_get_bits(GetBitContext *s,\n const uint8_t *buffer, int bit_size)\n{\n int buffer_size= (bit_size+7)>>3;\n if(buffer_size < 0 || bit_size < 0) {\n buffer_size = bit_size = 0;\n buffer = NULL;\n }\n s->buffer= buffer;\n s->size_in_bits= bit_size;\n s->buffer_end= buffer + buffer_size;\n#ifdef ALT_BITSTREAM_READER\n s->index=0;\n#elif defined LIBMPEG2_BITSTREAM_READER\n s->buffer_ptr = (uint8_t*)((intptr_t)buffer&(~1));\n s->bit_count = 16 + 8*((intptr_t)buffer&1);\n skip_bits_long(s, 0);\n#elif defined A32_BITSTREAM_READER\n s->buffer_ptr = (uint32_t*)((intptr_t)buffer&(~3));\n s->bit_count = 32 + 8*((intptr_t)buffer&3);\n skip_bits_long(s, 0);\n#endif\n}', 'static inline unsigned int get_bits(GetBitContext *s, int n){\n register int tmp;\n OPEN_READER(re, s)\n UPDATE_CACHE(re, s)\n tmp= SHOW_UBITS(re, s, n);\n LAST_SKIP_BITS(re, s, n)\n CLOSE_READER(re, s)\n return tmp;\n}'] |
21,014 | 0 | https://github.com/openssl/openssl/blob/d40a1b865fddc3d67f8c06ff1f1466fad331c8f7/crypto/bn/bn_ctx.c/#L353 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | ['static int dsa_sign_setup(DSA *dsa, BN_CTX *ctx_in, BIGNUM **kinvp, BIGNUM **rp)\n\t{\n\tBN_CTX *ctx;\n\tBIGNUM k,kq,*K,*kinv=NULL,*r=NULL;\n\tint ret=0;\n\tif (!dsa->p || !dsa->q || !dsa->g)\n\t\t{\n\t\tDSAerr(DSA_F_DSA_SIGN_SETUP,DSA_R_MISSING_PARAMETERS);\n\t\treturn 0;\n\t\t}\n\tBN_init(&k);\n\tBN_init(&kq);\n\tif (ctx_in == NULL)\n\t\t{\n\t\tif ((ctx=BN_CTX_new()) == NULL) goto err;\n\t\t}\n\telse\n\t\tctx=ctx_in;\n\tif ((r=BN_new()) == NULL) goto err;\n\tdo\n\t\tif (!BN_rand_range(&k, dsa->q)) goto err;\n\twhile (BN_is_zero(&k));\n\tif ((dsa->flags & DSA_FLAG_NO_EXP_CONSTTIME) == 0)\n\t\t{\n\t\tBN_set_flags(&k, BN_FLG_CONSTTIME);\n\t\t}\n\tif (dsa->flags & DSA_FLAG_CACHE_MONT_P)\n\t\t{\n\t\tif (!BN_MONT_CTX_set_locked(&dsa->method_mont_p,\n\t\t\t\t\t\tCRYPTO_LOCK_DSA,\n\t\t\t\t\t\tdsa->p, ctx))\n\t\t\tgoto err;\n\t\t}\n\tif ((dsa->flags & DSA_FLAG_NO_EXP_CONSTTIME) == 0)\n\t\t{\n\t\tif (!BN_copy(&kq, &k)) goto err;\n\t\tif (!BN_add(&kq, &kq, dsa->q)) goto err;\n\t\tif (BN_num_bits(&kq) <= BN_num_bits(dsa->q))\n\t\t\t{\n\t\t\tif (!BN_add(&kq, &kq, dsa->q)) goto err;\n\t\t\t}\n\t\tK = &kq;\n\t\t}\n\telse\n\t\t{\n\t\tK = &k;\n\t\t}\n\tDSA_BN_MOD_EXP(goto err, dsa, r, dsa->g, K, dsa->p, ctx,\n\t\t\tdsa->method_mont_p);\n\tif (!BN_mod(r,r,dsa->q,ctx)) goto err;\n\tif ((kinv=BN_mod_inverse(NULL,&k,dsa->q,ctx)) == NULL) goto err;\n\tif (*kinvp != NULL) BN_clear_free(*kinvp);\n\t*kinvp=kinv;\n\tkinv=NULL;\n\tif (*rp != NULL) BN_clear_free(*rp);\n\t*rp=r;\n\tret=1;\nerr:\n\tif (!ret)\n\t\t{\n\t\tDSAerr(DSA_F_DSA_SIGN_SETUP,ERR_R_BN_LIB);\n\t\tif (r != NULL)\n\t\t\tBN_clear_free(r);\n\t\t}\n\tif (ctx_in == NULL) BN_CTX_free(ctx);\n\tBN_clear_free(&k);\n\tBN_clear_free(&kq);\n\treturn(ret);\n\t}', 'BN_MONT_CTX *BN_MONT_CTX_set_locked(BN_MONT_CTX **pmont, int lock,\n\t\t\t\t\tconst BIGNUM *mod, BN_CTX *ctx)\n\t{\n\tint got_write_lock = 0;\n\tBN_MONT_CTX *ret;\n\tCRYPTO_r_lock(lock);\n\tif (!*pmont)\n\t\t{\n\t\tCRYPTO_r_unlock(lock);\n\t\tCRYPTO_w_lock(lock);\n\t\tgot_write_lock = 1;\n\t\tif (!*pmont)\n\t\t\t{\n\t\t\tret = BN_MONT_CTX_new();\n\t\t\tif (ret && !BN_MONT_CTX_set(ret, mod, ctx))\n\t\t\t\tBN_MONT_CTX_free(ret);\n\t\t\telse\n\t\t\t\t*pmont = ret;\n\t\t\t}\n\t\t}\n\tret = *pmont;\n\tif (got_write_lock)\n\t\tCRYPTO_w_unlock(lock);\n\telse\n\t\tCRYPTO_r_unlock(lock);\n\treturn ret;\n\t}', 'int BN_MONT_CTX_set(BN_MONT_CTX *mont, const BIGNUM *mod, BN_CTX *ctx)\n\t{\n\tint ret = 0;\n\tBIGNUM *Ri,*R;\n\tBN_CTX_start(ctx);\n\tif((Ri = BN_CTX_get(ctx)) == NULL) goto err;\n\tR= &(mont->RR);\n\tif (!BN_copy(&(mont->N),mod)) goto err;\n\tmont->N.neg = 0;\n#ifdef MONT_WORD\n\t\t{\n\t\tBIGNUM tmod;\n\t\tBN_ULONG buf[2];\n\t\tBN_init(&tmod);\n\t\ttmod.d=buf;\n\t\ttmod.dmax=2;\n\t\ttmod.neg=0;\n\t\tmont->ri=(BN_num_bits(mod)+(BN_BITS2-1))/BN_BITS2*BN_BITS2;\n#if defined(OPENSSL_BN_ASM_MONT) && (BN_BITS2<=32)\n\t\tBN_zero(R);\n\t\tif (!(BN_set_bit(R,2*BN_BITS2))) goto err;\n\t\t\t\t\t\t\t\ttmod.top=0;\n\t\tif ((buf[0] = mod->d[0]))\t\t\ttmod.top=1;\n\t\tif ((buf[1] = mod->top>1 ? mod->d[1] : 0))\ttmod.top=2;\n\t\tif ((BN_mod_inverse(Ri,R,&tmod,ctx)) == NULL)\n\t\t\tgoto err;\n\t\tif (!BN_lshift(Ri,Ri,2*BN_BITS2)) goto err;\n\t\tif (!BN_is_zero(Ri))\n\t\t\t{\n\t\t\tif (!BN_sub_word(Ri,1)) goto err;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tif (bn_expand(Ri,(int)sizeof(BN_ULONG)*2) == NULL)\n\t\t\t\tgoto err;\n\t\t\tRi->neg=0;\n\t\t\tRi->d[0]=BN_MASK2;\n\t\t\tRi->d[1]=BN_MASK2;\n\t\t\tRi->top=2;\n\t\t\t}\n\t\tif (!BN_div(Ri,NULL,Ri,&tmod,ctx)) goto err;\n\t\tmont->n0[0] = (Ri->top > 0) ? Ri->d[0] : 0;\n\t\tmont->n0[1] = (Ri->top > 1) ? Ri->d[1] : 0;\n#else\n\t\tBN_zero(R);\n\t\tif (!(BN_set_bit(R,BN_BITS2))) goto err;\n\t\tbuf[0]=mod->d[0];\n\t\tbuf[1]=0;\n\t\ttmod.top = buf[0] != 0 ? 1 : 0;\n\t\tif ((BN_mod_inverse(Ri,R,&tmod,ctx)) == NULL)\n\t\t\tgoto err;\n\t\tif (!BN_lshift(Ri,Ri,BN_BITS2)) goto err;\n\t\tif (!BN_is_zero(Ri))\n\t\t\t{\n\t\t\tif (!BN_sub_word(Ri,1)) goto err;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tif (!BN_set_word(Ri,BN_MASK2)) goto err;\n\t\t\t}\n\t\tif (!BN_div(Ri,NULL,Ri,&tmod,ctx)) goto err;\n\t\tmont->n0[0] = (Ri->top > 0) ? Ri->d[0] : 0;\n\t\tmont->n0[1] = 0;\n#endif\n\t\t}\n#else\n\t\t{\n\t\tmont->ri=BN_num_bits(&mont->N);\n\t\tBN_zero(R);\n\t\tif (!BN_set_bit(R,mont->ri)) goto err;\n\t\tif ((BN_mod_inverse(Ri,R,&mont->N,ctx)) == NULL)\n\t\t\tgoto err;\n\t\tif (!BN_lshift(Ri,Ri,mont->ri)) goto err;\n\t\tif (!BN_sub_word(Ri,1)) goto err;\n\t\tif (!BN_div(&(mont->Ni),NULL,Ri,&mont->N,ctx)) goto err;\n\t\t}\n#endif\n\tBN_zero(&(mont->RR));\n\tif (!BN_set_bit(&(mont->RR),mont->ri*2)) goto err;\n\tif (!BN_mod(&(mont->RR),&(mont->RR),&(mont->N),ctx)) goto err;\n\tret = 1;\nerr:\n\tBN_CTX_end(ctx);\n\treturn ret;\n\t}', 'void BN_CTX_start(BN_CTX *ctx)\n\t{\n\tCTXDBG_ENTRY("BN_CTX_start", ctx);\n\tif(ctx->err_stack || ctx->too_many)\n\t\tctx->err_stack++;\n\telse if(!BN_STACK_push(&ctx->stack, ctx->used))\n\t\t{\n\t\tBNerr(BN_F_BN_CTX_START,BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n\t\tctx->err_stack++;\n\t\t}\n\tCTXDBG_EXIT(ctx);\n\t}', 'BIGNUM *BN_mod_inverse(BIGNUM *in,\n\tconst BIGNUM *a, const BIGNUM *n, BN_CTX *ctx)\n\t{\n\tBIGNUM *A,*B,*X,*Y,*M,*D,*T,*R=NULL;\n\tBIGNUM *ret=NULL;\n\tint sign;\n\tif ((BN_get_flags(a, BN_FLG_CONSTTIME) != 0) || (BN_get_flags(n, BN_FLG_CONSTTIME) != 0))\n\t\t{\n\t\treturn BN_mod_inverse_no_branch(in, a, n, ctx);\n\t\t}\n\tbn_check_top(a);\n\tbn_check_top(n);\n\tBN_CTX_start(ctx);\n\tA = BN_CTX_get(ctx);\n\tB = BN_CTX_get(ctx);\n\tX = BN_CTX_get(ctx);\n\tD = BN_CTX_get(ctx);\n\tM = BN_CTX_get(ctx);\n\tY = BN_CTX_get(ctx);\n\tT = BN_CTX_get(ctx);\n\tif (T == NULL) goto err;\n\tif (in == NULL)\n\t\tR=BN_new();\n\telse\n\t\tR=in;\n\tif (R == NULL) goto err;\n\tBN_one(X);\n\tBN_zero(Y);\n\tif (BN_copy(B,a) == NULL) goto err;\n\tif (BN_copy(A,n) == NULL) goto err;\n\tA->neg = 0;\n\tif (B->neg || (BN_ucmp(B, A) >= 0))\n\t\t{\n\t\tif (!BN_nnmod(B, B, A, ctx)) goto err;\n\t\t}\n\tsign = -1;\n\tif (BN_is_odd(n) && (BN_num_bits(n) <= (BN_BITS <= 32 ? 450 : 2048)))\n\t\t{\n\t\tint shift;\n\t\twhile (!BN_is_zero(B))\n\t\t\t{\n\t\t\tshift = 0;\n\t\t\twhile (!BN_is_bit_set(B, shift))\n\t\t\t\t{\n\t\t\t\tshift++;\n\t\t\t\tif (BN_is_odd(X))\n\t\t\t\t\t{\n\t\t\t\t\tif (!BN_uadd(X, X, n)) goto err;\n\t\t\t\t\t}\n\t\t\t\tif (!BN_rshift1(X, X)) goto err;\n\t\t\t\t}\n\t\t\tif (shift > 0)\n\t\t\t\t{\n\t\t\t\tif (!BN_rshift(B, B, shift)) goto err;\n\t\t\t\t}\n\t\t\tshift = 0;\n\t\t\twhile (!BN_is_bit_set(A, shift))\n\t\t\t\t{\n\t\t\t\tshift++;\n\t\t\t\tif (BN_is_odd(Y))\n\t\t\t\t\t{\n\t\t\t\t\tif (!BN_uadd(Y, Y, n)) goto err;\n\t\t\t\t\t}\n\t\t\t\tif (!BN_rshift1(Y, Y)) goto err;\n\t\t\t\t}\n\t\t\tif (shift > 0)\n\t\t\t\t{\n\t\t\t\tif (!BN_rshift(A, A, shift)) goto err;\n\t\t\t\t}\n\t\t\tif (BN_ucmp(B, A) >= 0)\n\t\t\t\t{\n\t\t\t\tif (!BN_uadd(X, X, Y)) goto err;\n\t\t\t\tif (!BN_usub(B, B, A)) goto err;\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tif (!BN_uadd(Y, Y, X)) goto err;\n\t\t\t\tif (!BN_usub(A, A, B)) goto err;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\telse\n\t\t{\n\t\twhile (!BN_is_zero(B))\n\t\t\t{\n\t\t\tBIGNUM *tmp;\n\t\t\tif (BN_num_bits(A) == BN_num_bits(B))\n\t\t\t\t{\n\t\t\t\tif (!BN_one(D)) goto err;\n\t\t\t\tif (!BN_sub(M,A,B)) goto err;\n\t\t\t\t}\n\t\t\telse if (BN_num_bits(A) == BN_num_bits(B) + 1)\n\t\t\t\t{\n\t\t\t\tif (!BN_lshift1(T,B)) goto err;\n\t\t\t\tif (BN_ucmp(A,T) < 0)\n\t\t\t\t\t{\n\t\t\t\t\tif (!BN_one(D)) goto err;\n\t\t\t\t\tif (!BN_sub(M,A,B)) goto err;\n\t\t\t\t\t}\n\t\t\t\telse\n\t\t\t\t\t{\n\t\t\t\t\tif (!BN_sub(M,A,T)) goto err;\n\t\t\t\t\tif (!BN_add(D,T,B)) goto err;\n\t\t\t\t\tif (BN_ucmp(A,D) < 0)\n\t\t\t\t\t\t{\n\t\t\t\t\t\tif (!BN_set_word(D,2)) goto err;\n\t\t\t\t\t\t}\n\t\t\t\t\telse\n\t\t\t\t\t\t{\n\t\t\t\t\t\tif (!BN_set_word(D,3)) goto err;\n\t\t\t\t\t\tif (!BN_sub(M,M,B)) goto err;\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tif (!BN_div(D,M,A,B,ctx)) goto err;\n\t\t\t\t}\n\t\t\ttmp=A;\n\t\t\tA=B;\n\t\t\tB=M;\n\t\t\tif (BN_is_one(D))\n\t\t\t\t{\n\t\t\t\tif (!BN_add(tmp,X,Y)) goto err;\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tif (BN_is_word(D,2))\n\t\t\t\t\t{\n\t\t\t\t\tif (!BN_lshift1(tmp,X)) goto err;\n\t\t\t\t\t}\n\t\t\t\telse if (BN_is_word(D,4))\n\t\t\t\t\t{\n\t\t\t\t\tif (!BN_lshift(tmp,X,2)) goto err;\n\t\t\t\t\t}\n\t\t\t\telse if (D->top == 1)\n\t\t\t\t\t{\n\t\t\t\t\tif (!BN_copy(tmp,X)) goto err;\n\t\t\t\t\tif (!BN_mul_word(tmp,D->d[0])) goto err;\n\t\t\t\t\t}\n\t\t\t\telse\n\t\t\t\t\t{\n\t\t\t\t\tif (!BN_mul(tmp,D,X,ctx)) goto err;\n\t\t\t\t\t}\n\t\t\t\tif (!BN_add(tmp,tmp,Y)) goto err;\n\t\t\t\t}\n\t\t\tM=Y;\n\t\t\tY=X;\n\t\t\tX=tmp;\n\t\t\tsign = -sign;\n\t\t\t}\n\t\t}\n\tif (sign < 0)\n\t\t{\n\t\tif (!BN_sub(Y,n,Y)) goto err;\n\t\t}\n\tif (BN_is_one(A))\n\t\t{\n\t\tif (!Y->neg && BN_ucmp(Y,n) < 0)\n\t\t\t{\n\t\t\tif (!BN_copy(R,Y)) goto err;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tif (!BN_nnmod(R,Y,n,ctx)) goto err;\n\t\t\t}\n\t\t}\n\telse\n\t\t{\n\t\tBNerr(BN_F_BN_MOD_INVERSE,BN_R_NO_INVERSE);\n\t\tgoto err;\n\t\t}\n\tret=R;\nerr:\n\tif ((ret == NULL) && (in == NULL)) BN_free(R);\n\tBN_CTX_end(ctx);\n\tbn_check_top(ret);\n\treturn(ret);\n\t}', 'static BIGNUM *BN_mod_inverse_no_branch(BIGNUM *in,\n\tconst BIGNUM *a, const BIGNUM *n, BN_CTX *ctx)\n\t{\n\tBIGNUM *A,*B,*X,*Y,*M,*D,*T,*R=NULL;\n\tBIGNUM local_A, local_B;\n\tBIGNUM *pA, *pB;\n\tBIGNUM *ret=NULL;\n\tint sign;\n\tbn_check_top(a);\n\tbn_check_top(n);\n\tBN_CTX_start(ctx);\n\tA = BN_CTX_get(ctx);\n\tB = BN_CTX_get(ctx);\n\tX = BN_CTX_get(ctx);\n\tD = BN_CTX_get(ctx);\n\tM = BN_CTX_get(ctx);\n\tY = BN_CTX_get(ctx);\n\tT = BN_CTX_get(ctx);\n\tif (T == NULL) goto err;\n\tif (in == NULL)\n\t\tR=BN_new();\n\telse\n\t\tR=in;\n\tif (R == NULL) goto err;\n\tBN_one(X);\n\tBN_zero(Y);\n\tif (BN_copy(B,a) == NULL) goto err;\n\tif (BN_copy(A,n) == NULL) goto err;\n\tA->neg = 0;\n\tif (B->neg || (BN_ucmp(B, A) >= 0))\n\t\t{\n\t\tpB = &local_B;\n\t\tBN_with_flags(pB, B, BN_FLG_CONSTTIME);\n\t\tif (!BN_nnmod(B, pB, A, ctx)) goto err;\n\t\t}\n\tsign = -1;\n\twhile (!BN_is_zero(B))\n\t\t{\n\t\tBIGNUM *tmp;\n\t\tpA = &local_A;\n\t\tBN_with_flags(pA, A, BN_FLG_CONSTTIME);\n\t\tif (!BN_div(D,M,pA,B,ctx)) goto err;\n\t\ttmp=A;\n\t\tA=B;\n\t\tB=M;\n\t\tif (!BN_mul(tmp,D,X,ctx)) goto err;\n\t\tif (!BN_add(tmp,tmp,Y)) goto err;\n\t\tM=Y;\n\t\tY=X;\n\t\tX=tmp;\n\t\tsign = -sign;\n\t\t}\n\tif (sign < 0)\n\t\t{\n\t\tif (!BN_sub(Y,n,Y)) goto err;\n\t\t}\n\tif (BN_is_one(A))\n\t\t{\n\t\tif (!Y->neg && BN_ucmp(Y,n) < 0)\n\t\t\t{\n\t\t\tif (!BN_copy(R,Y)) goto err;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tif (!BN_nnmod(R,Y,n,ctx)) goto err;\n\t\t\t}\n\t\t}\n\telse\n\t\t{\n\t\tBNerr(BN_F_BN_MOD_INVERSE_NO_BRANCH,BN_R_NO_INVERSE);\n\t\tgoto err;\n\t\t}\n\tret=R;\nerr:\n\tif ((ret == NULL) && (in == NULL)) BN_free(R);\n\tBN_CTX_end(ctx);\n\tbn_check_top(ret);\n\treturn(ret);\n\t}', 'int BN_nnmod(BIGNUM *r, const BIGNUM *m, const BIGNUM *d, BN_CTX *ctx)\n\t{\n\tif (!(BN_mod(r,m,d,ctx)))\n\t\treturn 0;\n\tif (!r->neg)\n\t\treturn 1;\n\treturn (d->neg ? BN_sub : BN_add)(r, r, d);\n}', 'int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,\n\t BN_CTX *ctx)\n\t{\n\tint norm_shift,i;\n\tsize_t loop;\n\tBIGNUM *tmp,wnum,*snum,*sdiv,*res;\n\tBN_ULONG *resp,*wnump;\n\tBN_ULONG d0,d1;\n\tsize_t num_n,div_n;\n\tif (num->top > 0 && num->d[num->top - 1] == 0)\n\t\t{\n\t\tBNerr(BN_F_BN_DIV,BN_R_NOT_INITIALIZED);\n\t\treturn 0;\n\t\t}\n\tbn_check_top(num);\n\tif ((BN_get_flags(num, BN_FLG_CONSTTIME) != 0) || (BN_get_flags(divisor, BN_FLG_CONSTTIME) != 0))\n\t\t{\n\t\treturn BN_div_no_branch(dv, rm, num, divisor, ctx);\n\t\t}\n\tbn_check_top(dv);\n\tbn_check_top(rm);\n\tbn_check_top(divisor);\n\tif (BN_is_zero(divisor))\n\t\t{\n\t\tBNerr(BN_F_BN_DIV,BN_R_DIV_BY_ZERO);\n\t\treturn(0);\n\t\t}\n\tif (BN_ucmp(num,divisor) < 0)\n\t\t{\n\t\tif (rm != NULL)\n\t\t\t{ if (BN_copy(rm,num) == NULL) return(0); }\n\t\tif (dv != NULL) BN_zero(dv);\n\t\treturn(1);\n\t\t}\n\tBN_CTX_start(ctx);\n\ttmp=BN_CTX_get(ctx);\n\tsnum=BN_CTX_get(ctx);\n\tsdiv=BN_CTX_get(ctx);\n\tif (dv == NULL)\n\t\tres=BN_CTX_get(ctx);\n\telse\tres=dv;\n\tif (sdiv == NULL || res == NULL) goto err;\n\tnorm_shift=BN_BITS2-((BN_num_bits(divisor))%BN_BITS2);\n\tif (!(BN_lshift(sdiv,divisor,norm_shift))) goto err;\n\tsdiv->neg=0;\n\tnorm_shift+=BN_BITS2;\n\tif (!(BN_lshift(snum,num,norm_shift))) goto err;\n\tsnum->neg=0;\n\tdiv_n=sdiv->top;\n\tnum_n=snum->top;\n\tloop=num_n-div_n;\n\twnum.neg = 0;\n\twnum.d = &(snum->d[loop]);\n\twnum.top = div_n;\n\twnum.dmax = snum->dmax - loop;\n\td0=sdiv->d[div_n-1];\n\td1=(div_n == 1)?0:sdiv->d[div_n-2];\n\twnump= &(snum->d[num_n-1]);\n\tres->neg= (num->neg^divisor->neg);\n\tif (!bn_wexpand(res,(loop+1))) goto err;\n\tres->top=loop;\n\tresp= &(res->d[loop-1]);\n\tif (!bn_wexpand(tmp, div_n+1)) goto err;\n\tif (BN_ucmp(&wnum,sdiv) >= 0)\n\t\t{\n\t\tbn_clear_top2max(&wnum);\n\t\tbn_sub_words(wnum.d, wnum.d, sdiv->d, div_n);\n\t\t*resp=1;\n\t\t}\n\telse\n\t\tres->top--;\n\tif (res->top == 0)\n\t\tres->neg = 0;\n\telse\n\t\tresp--;\n\tfor (i=0; i<loop-1; i++, wnump--, resp--)\n\t\t{\n\t\tBN_ULONG q,l0;\n#if defined(BN_DIV3W) && !defined(OPENSSL_NO_ASM)\n\t\tBN_ULONG bn_div_3_words(BN_ULONG*,BN_ULONG,BN_ULONG);\n\t\tq=bn_div_3_words(wnump,d1,d0);\n#else\n\t\tBN_ULONG n0,n1,rem=0;\n\t\tn0=wnump[0];\n\t\tn1=wnump[-1];\n\t\tif (n0 == d0)\n\t\t\tq=BN_MASK2;\n\t\telse\n\t\t\t{\n#ifdef BN_LLONG\n\t\t\tBN_ULLONG t2;\n#if defined(BN_LLONG) && defined(BN_DIV2W) && !defined(bn_div_words)\n\t\t\tq=(BN_ULONG)(((((BN_ULLONG)n0)<<BN_BITS2)|n1)/d0);\n#else\n\t\t\tq=bn_div_words(n0,n1,d0);\n#ifdef BN_DEBUG_LEVITTE\n\t\t\tfprintf(stderr,"DEBUG: bn_div_words(0x%08X,0x%08X,0x%08\\\nX) -> 0x%08X\\n",\n\t\t\t\tn0, n1, d0, q);\n#endif\n#endif\n#ifndef REMAINDER_IS_ALREADY_CALCULATED\n\t\t\trem=(n1-q*d0)&BN_MASK2;\n#endif\n\t\t\tt2=(BN_ULLONG)d1*q;\n\t\t\tfor (;;)\n\t\t\t\t{\n\t\t\t\tif (t2 <= ((((BN_ULLONG)rem)<<BN_BITS2)|wnump[-2]))\n\t\t\t\t\tbreak;\n\t\t\t\tq--;\n\t\t\t\trem += d0;\n\t\t\t\tif (rem < d0) break;\n\t\t\t\tt2 -= d1;\n\t\t\t\t}\n#else\n\t\t\tBN_ULONG t2l,t2h;\n\t\t\tq=bn_div_words(n0,n1,d0);\n#ifdef BN_DEBUG_LEVITTE\n\t\t\tfprintf(stderr,"DEBUG: bn_div_words(0x%08X,0x%08X,0x%08\\\nX) -> 0x%08X\\n",\n\t\t\t\tn0, n1, d0, q);\n#endif\n#ifndef REMAINDER_IS_ALREADY_CALCULATED\n\t\t\trem=(n1-q*d0)&BN_MASK2;\n#endif\n#if defined(BN_UMULT_LOHI)\n\t\t\tBN_UMULT_LOHI(t2l,t2h,d1,q);\n#elif defined(BN_UMULT_HIGH)\n\t\t\tt2l = d1 * q;\n\t\t\tt2h = BN_UMULT_HIGH(d1,q);\n#else\n\t\t\t{\n\t\t\tBN_ULONG ql, qh;\n\t\t\tt2l=LBITS(d1); t2h=HBITS(d1);\n\t\t\tql =LBITS(q); qh =HBITS(q);\n\t\t\tmul64(t2l,t2h,ql,qh);\n\t\t\t}\n#endif\n\t\t\tfor (;;)\n\t\t\t\t{\n\t\t\t\tif ((t2h < rem) ||\n\t\t\t\t\t((t2h == rem) && (t2l <= wnump[-2])))\n\t\t\t\t\tbreak;\n\t\t\t\tq--;\n\t\t\t\trem += d0;\n\t\t\t\tif (rem < d0) break;\n\t\t\t\tif (t2l < d1) t2h--; t2l -= d1;\n\t\t\t\t}\n#endif\n\t\t\t}\n#endif\n\t\tl0=bn_mul_words(tmp->d,sdiv->d,div_n,q);\n\t\ttmp->d[div_n]=l0;\n\t\twnum.d--;\n\t\tif (bn_sub_words(wnum.d, wnum.d, tmp->d, div_n+1))\n\t\t\t{\n\t\t\tq--;\n\t\t\tif (bn_add_words(wnum.d, wnum.d, sdiv->d, div_n))\n\t\t\t\t(*wnump)++;\n\t\t\t}\n\t\t*resp = q;\n\t\t}\n\tbn_correct_top(snum);\n\tif (rm != NULL)\n\t\t{\n\t\tint neg = num->neg;\n\t\tBN_rshift(rm,snum,norm_shift);\n\t\tif (!BN_is_zero(rm))\n\t\t\trm->neg = neg;\n\t\tbn_check_top(rm);\n\t\t}\n\tBN_CTX_end(ctx);\n\treturn(1);\nerr:\n\tbn_check_top(rm);\n\tBN_CTX_end(ctx);\n\treturn(0);\n\t}', 'static int BN_div_no_branch(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num,\n\tconst BIGNUM *divisor, BN_CTX *ctx)\n\t{\n\tint norm_shift,i,loop;\n\tBIGNUM *tmp,wnum,*snum,*sdiv,*res;\n\tBN_ULONG *resp,*wnump;\n\tBN_ULONG d0,d1;\n\tsize_t num_n,div_n;\n\tbn_check_top(dv);\n\tbn_check_top(rm);\n\tbn_check_top(divisor);\n\tif (BN_is_zero(divisor))\n\t\t{\n\t\tBNerr(BN_F_BN_DIV_NO_BRANCH,BN_R_DIV_BY_ZERO);\n\t\treturn(0);\n\t\t}\n\tBN_CTX_start(ctx);\n\ttmp=BN_CTX_get(ctx);\n\tsnum=BN_CTX_get(ctx);\n\tsdiv=BN_CTX_get(ctx);\n\tif (dv == NULL)\n\t\tres=BN_CTX_get(ctx);\n\telse\tres=dv;\n\tif (sdiv == NULL || res == NULL) goto err;\n\tnorm_shift=BN_BITS2-((BN_num_bits(divisor))%BN_BITS2);\n\tif (!(BN_lshift(sdiv,divisor,norm_shift))) goto err;\n\tsdiv->neg=0;\n\tnorm_shift+=BN_BITS2;\n\tif (!(BN_lshift(snum,num,norm_shift))) goto err;\n\tsnum->neg=0;\n\tif (snum->top <= sdiv->top+1)\n\t\t{\n\t\tif (bn_wexpand(snum, sdiv->top + 2) == NULL) goto err;\n\t\tfor (i = snum->top; i < sdiv->top + 2; i++) snum->d[i] = 0;\n\t\tsnum->top = sdiv->top + 2;\n\t\t}\n\telse\n\t\t{\n\t\tif (bn_wexpand(snum, snum->top + 1) == NULL) goto err;\n\t\tsnum->d[snum->top] = 0;\n\t\tsnum->top ++;\n\t\t}\n\tdiv_n=sdiv->top;\n\tnum_n=snum->top;\n\tloop=num_n-div_n;\n\twnum.neg = 0;\n\twnum.d = &(snum->d[loop]);\n\twnum.top = div_n;\n\twnum.dmax = snum->dmax - loop;\n\td0=sdiv->d[div_n-1];\n\td1=(div_n == 1)?0:sdiv->d[div_n-2];\n\twnump= &(snum->d[num_n-1]);\n\tres->neg= (num->neg^divisor->neg);\n\tif (!bn_wexpand(res,loop+1U)) goto err;\n\tres->top=loop-1;\n\tresp= &(res->d[loop-1]);\n\tif (!bn_wexpand(tmp,div_n+1U)) goto err;\n\tif (res->top == 0)\n\t\tres->neg = 0;\n\telse\n\t\tresp--;\n\tfor (i=0; i<loop-1; i++, wnump--, resp--)\n\t\t{\n\t\tBN_ULONG q,l0;\n#if defined(BN_DIV3W) && !defined(OPENSSL_NO_ASM)\n\t\tBN_ULONG bn_div_3_words(BN_ULONG*,BN_ULONG,BN_ULONG);\n\t\tq=bn_div_3_words(wnump,d1,d0);\n#else\n\t\tBN_ULONG n0,n1,rem=0;\n\t\tn0=wnump[0];\n\t\tn1=wnump[-1];\n\t\tif (n0 == d0)\n\t\t\tq=BN_MASK2;\n\t\telse\n\t\t\t{\n#ifdef BN_LLONG\n\t\t\tBN_ULLONG t2;\n#if defined(BN_LLONG) && defined(BN_DIV2W) && !defined(bn_div_words)\n\t\t\tq=(BN_ULONG)(((((BN_ULLONG)n0)<<BN_BITS2)|n1)/d0);\n#else\n\t\t\tq=bn_div_words(n0,n1,d0);\n#ifdef BN_DEBUG_LEVITTE\n\t\t\tfprintf(stderr,"DEBUG: bn_div_words(0x%08X,0x%08X,0x%08\\\nX) -> 0x%08X\\n",\n\t\t\t\tn0, n1, d0, q);\n#endif\n#endif\n#ifndef REMAINDER_IS_ALREADY_CALCULATED\n\t\t\trem=(n1-q*d0)&BN_MASK2;\n#endif\n\t\t\tt2=(BN_ULLONG)d1*q;\n\t\t\tfor (;;)\n\t\t\t\t{\n\t\t\t\tif (t2 <= ((((BN_ULLONG)rem)<<BN_BITS2)|wnump[-2]))\n\t\t\t\t\tbreak;\n\t\t\t\tq--;\n\t\t\t\trem += d0;\n\t\t\t\tif (rem < d0) break;\n\t\t\t\tt2 -= d1;\n\t\t\t\t}\n#else\n\t\t\tBN_ULONG t2l,t2h;\n\t\t\tq=bn_div_words(n0,n1,d0);\n#ifdef BN_DEBUG_LEVITTE\n\t\t\tfprintf(stderr,"DEBUG: bn_div_words(0x%08X,0x%08X,0x%08\\\nX) -> 0x%08X\\n",\n\t\t\t\tn0, n1, d0, q);\n#endif\n#ifndef REMAINDER_IS_ALREADY_CALCULATED\n\t\t\trem=(n1-q*d0)&BN_MASK2;\n#endif\n#if defined(BN_UMULT_LOHI)\n\t\t\tBN_UMULT_LOHI(t2l,t2h,d1,q);\n#elif defined(BN_UMULT_HIGH)\n\t\t\tt2l = d1 * q;\n\t\t\tt2h = BN_UMULT_HIGH(d1,q);\n#else\n\t\t\t{\n\t\t\tBN_ULONG ql, qh;\n\t\t\tt2l=LBITS(d1); t2h=HBITS(d1);\n\t\t\tql =LBITS(q); qh =HBITS(q);\n\t\t\tmul64(t2l,t2h,ql,qh);\n\t\t\t}\n#endif\n\t\t\tfor (;;)\n\t\t\t\t{\n\t\t\t\tif ((t2h < rem) ||\n\t\t\t\t\t((t2h == rem) && (t2l <= wnump[-2])))\n\t\t\t\t\tbreak;\n\t\t\t\tq--;\n\t\t\t\trem += d0;\n\t\t\t\tif (rem < d0) break;\n\t\t\t\tif (t2l < d1) t2h--; t2l -= d1;\n\t\t\t\t}\n#endif\n\t\t\t}\n#endif\n\t\tl0=bn_mul_words(tmp->d,sdiv->d,div_n,q);\n\t\ttmp->d[div_n]=l0;\n\t\twnum.d--;\n\t\tif (bn_sub_words(wnum.d, wnum.d, tmp->d, div_n+1))\n\t\t\t{\n\t\t\tq--;\n\t\t\tif (bn_add_words(wnum.d, wnum.d, sdiv->d, div_n))\n\t\t\t\t(*wnump)++;\n\t\t\t}\n\t\t*resp = q;\n\t\t}\n\tbn_correct_top(snum);\n\tif (rm != NULL)\n\t\t{\n\t\tint neg = num->neg;\n\t\tBN_rshift(rm,snum,norm_shift);\n\t\tif (!BN_is_zero(rm))\n\t\t\trm->neg = neg;\n\t\tbn_check_top(rm);\n\t\t}\n\tbn_correct_top(res);\n\tBN_CTX_end(ctx);\n\treturn(1);\nerr:\n\tbn_check_top(rm);\n\tBN_CTX_end(ctx);\n\treturn(0);\n\t}', 'void BN_CTX_end(BN_CTX *ctx)\n\t{\n\tCTXDBG_ENTRY("BN_CTX_end", ctx);\n\tif(ctx->err_stack)\n\t\tctx->err_stack--;\n\telse\n\t\t{\n\t\tunsigned int fp = BN_STACK_pop(&ctx->stack);\n\t\tif(fp < ctx->used)\n\t\t\tBN_POOL_release(&ctx->pool, ctx->used - fp);\n\t\tctx->used = fp;\n\t\tctx->too_many = 0;\n\t\t}\n\tCTXDBG_EXIT(ctx);\n\t}', 'static unsigned int BN_STACK_pop(BN_STACK *st)\n\t{\n\treturn st->indexes[--(st->depth)];\n\t}'] |
21,015 | 0 | https://github.com/openssl/openssl/blob/9c46f4b9cd4912b61cb546c48b678488d7f26ed6/crypto/bn/bn_ctx.c/#L353 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | ['int bn_probable_prime_dh(BIGNUM *rnd, int bits,\n const BIGNUM *add, const BIGNUM *rem, BN_CTX *ctx)\n{\n int i, ret = 0;\n BIGNUM *t1;\n BN_CTX_start(ctx);\n if ((t1 = BN_CTX_get(ctx)) == NULL)\n goto err;\n if (!BN_rand(rnd, bits, 0, 1))\n goto err;\n if (!BN_mod(t1, rnd, add, ctx))\n goto err;\n if (!BN_sub(rnd, rnd, t1))\n goto err;\n if (rem == NULL) {\n if (!BN_add_word(rnd, 1))\n goto err;\n } else {\n if (!BN_add(rnd, rnd, rem))\n goto err;\n }\n loop:\n for (i = 1; i < NUMPRIMES; i++) {\n if (BN_mod_word(rnd, (BN_ULONG)primes[i]) <= 1) {\n if (!BN_add(rnd, rnd, add))\n goto err;\n goto loop;\n }\n }\n ret = 1;\n err:\n BN_CTX_end(ctx);\n bn_check_top(rnd);\n return (ret);\n}', 'void BN_CTX_start(BN_CTX *ctx)\n{\n CTXDBG_ENTRY("BN_CTX_start", ctx);\n if (ctx->err_stack || ctx->too_many)\n ctx->err_stack++;\n else if (!BN_STACK_push(&ctx->stack, ctx->used)) {\n BNerr(BN_F_BN_CTX_START, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n ctx->err_stack++;\n }\n CTXDBG_EXIT(ctx);\n}', 'void BN_CTX_end(BN_CTX *ctx)\n{\n CTXDBG_ENTRY("BN_CTX_end", ctx);\n if (ctx->err_stack)\n ctx->err_stack--;\n else {\n unsigned int fp = BN_STACK_pop(&ctx->stack);\n if (fp < ctx->used)\n BN_POOL_release(&ctx->pool, ctx->used - fp);\n ctx->used = fp;\n ctx->too_many = 0;\n }\n CTXDBG_EXIT(ctx);\n}', 'static unsigned int BN_STACK_pop(BN_STACK *st)\n{\n return st->indexes[--(st->depth)];\n}'] |
21,016 | 0 | https://github.com/openssl/openssl/blob/f006217bb628d05a2d5b866ff252bd94e3477e1f/crypto/bn/bn_lib.c/#L351 | static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
{
BN_ULONG *A, *a = NULL;
const BN_ULONG *B;
int i;
bn_check_top(b);
if (words > (INT_MAX / (4 * BN_BITS2))) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);
return NULL;
}
if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);
return (NULL);
}
if (BN_get_flags(b,BN_FLG_SECURE))
a = A = OPENSSL_secure_malloc(words * sizeof(*a));
else
a = A = OPENSSL_malloc(words * sizeof(*a));
if (A == NULL) {
BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);
return (NULL);
}
#ifdef PURIFY
memset(a, 0, sizeof(*a) * words);
#endif
#if 1
B = b->d;
if (B != NULL) {
for (i = b->top >> 2; i > 0; i--, A += 4, B += 4) {
BN_ULONG a0, a1, a2, a3;
a0 = B[0];
a1 = B[1];
a2 = B[2];
a3 = B[3];
A[0] = a0;
A[1] = a1;
A[2] = a2;
A[3] = a3;
}
switch (b->top & 3) {
case 3:
A[2] = B[2];
case 2:
A[1] = B[1];
case 1:
A[0] = B[0];
case 0:
;
}
}
#else
memset(A, 0, sizeof(*A) * words);
memcpy(A, b->d, sizeof(b->d[0]) * b->top);
#endif
return (a);
} | ['int BN_mod_exp_recp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,\n const BIGNUM *m, BN_CTX *ctx)\n{\n int i, j, bits, ret = 0, wstart, wend, window, wvalue;\n int start = 1;\n BIGNUM *aa;\n BIGNUM *val[TABLE_SIZE];\n BN_RECP_CTX recp;\n if (BN_get_flags(p, BN_FLG_CONSTTIME) != 0) {\n BNerr(BN_F_BN_MOD_EXP_RECP, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);\n return -1;\n }\n bits = BN_num_bits(p);\n if (bits == 0) {\n if (BN_is_one(m)) {\n ret = 1;\n BN_zero(r);\n } else {\n ret = BN_one(r);\n }\n return ret;\n }\n BN_CTX_start(ctx);\n aa = BN_CTX_get(ctx);\n val[0] = BN_CTX_get(ctx);\n if (!aa || !val[0])\n goto err;\n BN_RECP_CTX_init(&recp);\n if (m->neg) {\n if (!BN_copy(aa, m))\n goto err;\n aa->neg = 0;\n if (BN_RECP_CTX_set(&recp, aa, ctx) <= 0)\n goto err;\n } else {\n if (BN_RECP_CTX_set(&recp, m, ctx) <= 0)\n goto err;\n }\n if (!BN_nnmod(val[0], a, m, ctx))\n goto err;\n if (BN_is_zero(val[0])) {\n BN_zero(r);\n ret = 1;\n goto err;\n }\n window = BN_window_bits_for_exponent_size(bits);\n if (window > 1) {\n if (!BN_mod_mul_reciprocal(aa, val[0], val[0], &recp, ctx))\n goto err;\n j = 1 << (window - 1);\n for (i = 1; i < j; i++) {\n if (((val[i] = BN_CTX_get(ctx)) == NULL) ||\n !BN_mod_mul_reciprocal(val[i], val[i - 1], aa, &recp, ctx))\n goto err;\n }\n }\n start = 1;\n wvalue = 0;\n wstart = bits - 1;\n wend = 0;\n if (!BN_one(r))\n goto err;\n for (;;) {\n if (BN_is_bit_set(p, wstart) == 0) {\n if (!start)\n if (!BN_mod_mul_reciprocal(r, r, r, &recp, ctx))\n goto err;\n if (wstart == 0)\n break;\n wstart--;\n continue;\n }\n j = wstart;\n wvalue = 1;\n wend = 0;\n for (i = 1; i < window; i++) {\n if (wstart - i < 0)\n break;\n if (BN_is_bit_set(p, wstart - i)) {\n wvalue <<= (i - wend);\n wvalue |= 1;\n wend = i;\n }\n }\n j = wend + 1;\n if (!start)\n for (i = 0; i < j; i++) {\n if (!BN_mod_mul_reciprocal(r, r, r, &recp, ctx))\n goto err;\n }\n if (!BN_mod_mul_reciprocal(r, r, val[wvalue >> 1], &recp, ctx))\n goto err;\n wstart -= wend + 1;\n wvalue = 0;\n start = 0;\n if (wstart < 0)\n break;\n }\n ret = 1;\n err:\n BN_CTX_end(ctx);\n BN_RECP_CTX_free(&recp);\n bn_check_top(r);\n return (ret);\n}', 'int BN_RECP_CTX_set(BN_RECP_CTX *recp, const BIGNUM *d, BN_CTX *ctx)\n{\n if (!BN_copy(&(recp->N), d))\n return 0;\n BN_zero(&(recp->Nr));\n recp->num_bits = BN_num_bits(d);\n recp->shift = 0;\n return (1);\n}', 'int BN_mod_mul_reciprocal(BIGNUM *r, const BIGNUM *x, const BIGNUM *y,\n BN_RECP_CTX *recp, BN_CTX *ctx)\n{\n int ret = 0;\n BIGNUM *a;\n const BIGNUM *ca;\n BN_CTX_start(ctx);\n if ((a = BN_CTX_get(ctx)) == NULL)\n goto err;\n if (y != NULL) {\n if (x == y) {\n if (!BN_sqr(a, x, ctx))\n goto err;\n } else {\n if (!BN_mul(a, x, y, ctx))\n goto err;\n }\n ca = a;\n } else\n ca = x;\n ret = BN_div_recp(NULL, r, ca, recp, ctx);\n err:\n BN_CTX_end(ctx);\n bn_check_top(r);\n return (ret);\n}', 'int BN_div_recp(BIGNUM *dv, BIGNUM *rem, const BIGNUM *m,\n BN_RECP_CTX *recp, BN_CTX *ctx)\n{\n int i, j, ret = 0;\n BIGNUM *a, *b, *d, *r;\n BN_CTX_start(ctx);\n a = BN_CTX_get(ctx);\n b = BN_CTX_get(ctx);\n if (dv != NULL)\n d = dv;\n else\n d = BN_CTX_get(ctx);\n if (rem != NULL)\n r = rem;\n else\n r = BN_CTX_get(ctx);\n if (a == NULL || b == NULL || d == NULL || r == NULL)\n goto err;\n if (BN_ucmp(m, &(recp->N)) < 0) {\n BN_zero(d);\n if (!BN_copy(r, m)) {\n BN_CTX_end(ctx);\n return 0;\n }\n BN_CTX_end(ctx);\n return (1);\n }\n i = BN_num_bits(m);\n j = recp->num_bits << 1;\n if (j > i)\n i = j;\n if (i != recp->shift)\n recp->shift = BN_reciprocal(&(recp->Nr), &(recp->N), i, ctx);\n if (recp->shift == -1)\n goto err;\n if (!BN_rshift(a, m, recp->num_bits))\n goto err;\n if (!BN_mul(b, a, &(recp->Nr), ctx))\n goto err;\n if (!BN_rshift(d, b, i - recp->num_bits))\n goto err;\n d->neg = 0;\n if (!BN_mul(b, &(recp->N), d, ctx))\n goto err;\n if (!BN_usub(r, m, b))\n goto err;\n r->neg = 0;\n j = 0;\n while (BN_ucmp(r, &(recp->N)) >= 0) {\n if (j++ > 2) {\n BNerr(BN_F_BN_DIV_RECP, BN_R_BAD_RECIPROCAL);\n goto err;\n }\n if (!BN_usub(r, r, &(recp->N)))\n goto err;\n if (!BN_add_word(d, 1))\n goto err;\n }\n r->neg = BN_is_zero(r) ? 0 : m->neg;\n d->neg = m->neg ^ recp->N.neg;\n ret = 1;\n err:\n BN_CTX_end(ctx);\n bn_check_top(dv);\n bn_check_top(rem);\n return (ret);\n}', 'BIGNUM *BN_CTX_get(BN_CTX *ctx)\n{\n BIGNUM *ret;\n CTXDBG_ENTRY("BN_CTX_get", ctx);\n if (ctx->err_stack || ctx->too_many)\n return NULL;\n if ((ret = BN_POOL_get(&ctx->pool, ctx->flags)) == NULL) {\n ctx->too_many = 1;\n BNerr(BN_F_BN_CTX_GET, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n return NULL;\n }\n BN_zero(ret);\n ctx->used++;\n CTXDBG_RET(ctx, ret);\n return ret;\n}', 'int BN_set_word(BIGNUM *a, BN_ULONG w)\n{\n bn_check_top(a);\n if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)\n return (0);\n a->neg = 0;\n a->d[0] = w;\n a->top = (w ? 1 : 0);\n bn_check_top(a);\n return (1);\n}', 'int BN_rshift(BIGNUM *r, const BIGNUM *a, int n)\n{\n int i, j, nw, lb, rb;\n BN_ULONG *t, *f;\n BN_ULONG l, tmp;\n bn_check_top(r);\n bn_check_top(a);\n if (n < 0) {\n BNerr(BN_F_BN_RSHIFT, BN_R_INVALID_SHIFT);\n return 0;\n }\n nw = n / BN_BITS2;\n rb = n % BN_BITS2;\n lb = BN_BITS2 - rb;\n if (nw >= a->top || a->top == 0) {\n BN_zero(r);\n return (1);\n }\n i = (BN_num_bits(a) - n + (BN_BITS2 - 1)) / BN_BITS2;\n if (r != a) {\n r->neg = a->neg;\n if (bn_wexpand(r, i) == NULL)\n return (0);\n } else {\n if (n == 0)\n return 1;\n }\n f = &(a->d[nw]);\n t = r->d;\n j = a->top - nw;\n r->top = i;\n if (rb == 0) {\n for (i = j; i != 0; i--)\n *(t++) = *(f++);\n } else {\n l = *(f++);\n for (i = j - 1; i != 0; i--) {\n tmp = (l >> rb) & BN_MASK2;\n l = *(f++);\n *(t++) = (tmp | (l << lb)) & BN_MASK2;\n }\n if ((l = (l >> rb) & BN_MASK2))\n *(t) = l;\n }\n bn_check_top(r);\n return (1);\n}', 'BIGNUM *bn_wexpand(BIGNUM *a, int words)\n{\n return (words <= a->dmax) ? a : bn_expand2(a, words);\n}', 'BIGNUM *bn_expand2(BIGNUM *b, int words)\n{\n bn_check_top(b);\n if (words > b->dmax) {\n BN_ULONG *a = bn_expand_internal(b, words);\n if (!a)\n return NULL;\n if (b->d) {\n OPENSSL_cleanse(b->d, b->dmax * sizeof(b->d[0]));\n bn_free_d(b);\n }\n b->d = a;\n b->dmax = words;\n }\n bn_check_top(b);\n return b;\n}', 'static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)\n{\n BN_ULONG *A, *a = NULL;\n const BN_ULONG *B;\n int i;\n bn_check_top(b);\n if (words > (INT_MAX / (4 * BN_BITS2))) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);\n return NULL;\n }\n if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);\n return (NULL);\n }\n if (BN_get_flags(b,BN_FLG_SECURE))\n a = A = OPENSSL_secure_malloc(words * sizeof(*a));\n else\n a = A = OPENSSL_malloc(words * sizeof(*a));\n if (A == NULL) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);\n return (NULL);\n }\n#ifdef PURIFY\n memset(a, 0, sizeof(*a) * words);\n#endif\n#if 1\n B = b->d;\n if (B != NULL) {\n for (i = b->top >> 2; i > 0; i--, A += 4, B += 4) {\n BN_ULONG a0, a1, a2, a3;\n a0 = B[0];\n a1 = B[1];\n a2 = B[2];\n a3 = B[3];\n A[0] = a0;\n A[1] = a1;\n A[2] = a2;\n A[3] = a3;\n }\n switch (b->top & 3) {\n case 3:\n A[2] = B[2];\n case 2:\n A[1] = B[1];\n case 1:\n A[0] = B[0];\n case 0:\n ;\n }\n }\n#else\n memset(A, 0, sizeof(*A) * words);\n memcpy(A, b->d, sizeof(b->d[0]) * b->top);\n#endif\n return (a);\n}'] |
21,017 | 0 | https://github.com/openssl/openssl/blob/9b02dc97e4963969da69675a871dbe80e6d31cda/crypto/bn/bn_lib.c/#L322 | BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)
{
bn_check_top(b);
if (a == b)
return a;
if (bn_wexpand(a, b->top) == NULL)
return NULL;
if (b->top > 0)
memcpy(a->d, b->d, sizeof(b->d[0]) * b->top);
if (BN_get_flags(b, BN_FLG_CONSTTIME) != 0)
BN_set_flags(a, BN_FLG_CONSTTIME);
a->top = b->top;
a->neg = b->neg;
bn_check_top(a);
return a;
} | ['static int prime_field_tests(void)\n{\n BN_CTX *ctx = NULL;\n BIGNUM *p = NULL, *a = NULL, *b = NULL, *scalar3 = NULL;\n EC_GROUP *group = NULL, *tmp = NULL;\n EC_GROUP *P_160 = NULL, *P_192 = NULL, *P_224 = NULL,\n *P_256 = NULL, *P_384 = NULL, *P_521 = NULL;\n EC_POINT *P = NULL, *Q = NULL, *R = NULL;\n BIGNUM *x = NULL, *y = NULL, *z = NULL, *yplusone = NULL;\n const EC_POINT *points[4];\n const BIGNUM *scalars[4];\n unsigned char buf[100];\n size_t len, r = 0;\n int k;\n if (!TEST_ptr(ctx = BN_CTX_new())\n || !TEST_ptr(p = BN_new())\n || !TEST_ptr(a = BN_new())\n || !TEST_ptr(b = BN_new())\n || !TEST_true(BN_hex2bn(&p, "17"))\n || !TEST_true(BN_hex2bn(&a, "1"))\n || !TEST_true(BN_hex2bn(&b, "1"))\n || !TEST_ptr(group = EC_GROUP_new(EC_GFp_mont_method()))\n || !TEST_true(EC_GROUP_set_curve_GFp(group, p, a, b, ctx))\n || !TEST_ptr(tmp = EC_GROUP_new(EC_GROUP_method_of(group)))\n || !TEST_true(EC_GROUP_copy(tmp, group)))\n goto err;\n EC_GROUP_free(group);\n group = tmp;\n tmp = NULL;\n if (!TEST_true(EC_GROUP_get_curve_GFp(group, p, a, b, ctx)))\n goto err;\n TEST_info("Curve defined by Weierstrass equation");\n TEST_note(" y^2 = x^3 + a*x + b (mod p)");\n test_output_bignum("a", a);\n test_output_bignum("b", b);\n test_output_bignum("p", p);\n buf[0] = 0;\n if (!TEST_ptr(P = EC_POINT_new(group))\n || !TEST_ptr(Q = EC_POINT_new(group))\n || !TEST_ptr(R = EC_POINT_new(group))\n || !TEST_true(EC_POINT_set_to_infinity(group, P))\n || !TEST_true(EC_POINT_is_at_infinity(group, P))\n || !TEST_true(EC_POINT_oct2point(group, Q, buf, 1, ctx))\n || !TEST_true(EC_POINT_add(group, P, P, Q, ctx))\n || !TEST_true(EC_POINT_is_at_infinity(group, P))\n || !TEST_ptr(x = BN_new())\n || !TEST_ptr(y = BN_new())\n || !TEST_ptr(z = BN_new())\n || !TEST_ptr(yplusone = BN_new())\n || !TEST_true(BN_hex2bn(&x, "D"))\n || !TEST_true(EC_POINT_set_compressed_coordinates_GFp(group, Q, x, 1,\n ctx)))\n goto err;\n if (!TEST_int_gt(EC_POINT_is_on_curve(group, Q, ctx), 0)) {\n if (!TEST_true(EC_POINT_get_affine_coordinates_GFp(group, Q, x, y,\n ctx)))\n goto err;\n TEST_info("Point is not on curve");\n test_output_bignum("x", x);\n test_output_bignum("y", y);\n goto err;\n }\n TEST_note("A cyclic subgroup:");\n k = 100;\n do {\n if (!TEST_int_ne(k--, 0))\n goto err;\n if (EC_POINT_is_at_infinity(group, P)) {\n TEST_note(" point at infinity");\n } else {\n if (!TEST_true(EC_POINT_get_affine_coordinates_GFp(group, P, x, y,\n ctx)))\n goto err;\n test_output_bignum("x", x);\n test_output_bignum("y", y);\n }\n if (!TEST_true(EC_POINT_copy(R, P))\n || !TEST_true(EC_POINT_add(group, P, P, Q, ctx)))\n goto err;\n } while (!EC_POINT_is_at_infinity(group, P));\n if (!TEST_true(EC_POINT_add(group, P, Q, R, ctx))\n || !TEST_true(EC_POINT_is_at_infinity(group, P)))\n goto err;\n len =\n EC_POINT_point2oct(group, Q, POINT_CONVERSION_COMPRESSED, buf,\n sizeof buf, ctx);\n if (!TEST_size_t_ne(len, 0)\n || !TEST_true(EC_POINT_oct2point(group, P, buf, len, ctx))\n || !TEST_int_eq(0, EC_POINT_cmp(group, P, Q, ctx)))\n goto err;\n test_output_memory("Generator as octet string, compressed form:",\n buf, len);\n len = EC_POINT_point2oct(group, Q, POINT_CONVERSION_UNCOMPRESSED,\n buf, sizeof buf, ctx);\n if (!TEST_size_t_ne(len, 0)\n || !TEST_true(EC_POINT_oct2point(group, P, buf, len, ctx))\n || !TEST_int_eq(0, EC_POINT_cmp(group, P, Q, ctx)))\n goto err;\n test_output_memory("Generator as octet string, uncompressed form:",\n buf, len);\n len = EC_POINT_point2oct(group, Q, POINT_CONVERSION_HYBRID,\n buf, sizeof buf, ctx);\n if (!TEST_size_t_ne(len, 0)\n || !TEST_true(EC_POINT_oct2point(group, P, buf, len, ctx))\n || !TEST_int_eq(0, EC_POINT_cmp(group, P, Q, ctx)))\n goto err;\n test_output_memory("Generator as octet string, hybrid form:",\n buf, len);\n if (!TEST_true(EC_POINT_get_Jprojective_coordinates_GFp(group, R, x, y, z,\n ctx)))\n goto err;\n TEST_info("A representation of the inverse of that generator in");\n TEST_note("Jacobian projective coordinates");\n test_output_bignum("x", x);\n test_output_bignum("y", y);\n test_output_bignum("z", z);\n if (!TEST_true(EC_POINT_invert(group, P, ctx))\n || !TEST_int_eq(0, EC_POINT_cmp(group, P, R, ctx))\n || !TEST_true(BN_hex2bn(&p, "FFFFFFFF"\n "FFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFF"))\n || !TEST_int_eq(1, BN_is_prime_ex(p, BN_prime_checks, ctx, NULL))\n || !TEST_true(BN_hex2bn(&a, "FFFFFFFF"\n "FFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFC"))\n || !TEST_true(BN_hex2bn(&b, "1C97BEFC"\n "54BD7A8B65ACF89F81D4D4ADC565FA45"))\n || !TEST_true(EC_GROUP_set_curve_GFp(group, p, a, b, ctx))\n || !TEST_true(BN_hex2bn(&x, "4A96B568"\n "8EF573284664698968C38BB913CBFC82"))\n || !TEST_true(BN_hex2bn(&y, "23a62855"\n "3168947d59dcc912042351377ac5fb32"))\n || !TEST_true(BN_add(yplusone, y, BN_value_one()))\n || !TEST_false(EC_POINT_set_affine_coordinates_GFp(group, P, x,\n yplusone, ctx))\n || !TEST_true(EC_POINT_set_affine_coordinates_GFp(group, P, x, y, ctx))\n || !TEST_int_gt(EC_POINT_is_on_curve(group, P, ctx), 0)\n || !TEST_true(BN_hex2bn(&z, "0100000000"\n "000000000001F4C8F927AED3CA752257"))\n || !TEST_true(EC_GROUP_set_generator(group, P, z, BN_value_one()))\n || !TEST_true(EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx)))\n goto err;\n TEST_info("SEC2 curve secp160r1 -- Generator");\n test_output_bignum("x", x);\n test_output_bignum("y", y);\n if (!TEST_true(BN_hex2bn(&z, "23a62855"\n "3168947d59dcc912042351377ac5fb32"))\n || !TEST_BN_eq(y, z)\n || !TEST_int_eq(EC_GROUP_get_degree(group), 160)\n || !group_order_tests(group)\n || !TEST_ptr(P_160 = EC_GROUP_new(EC_GROUP_method_of(group)))\n || !TEST_true(EC_GROUP_copy(P_160, group))\n || !TEST_true(BN_hex2bn(&p, "FFFFFFFFFFFFFFFF"\n "FFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFF"))\n || !TEST_int_eq(1, BN_is_prime_ex(p, BN_prime_checks, ctx, NULL))\n || !TEST_true(BN_hex2bn(&a, "FFFFFFFFFFFFFFFF"\n "FFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFC"))\n || !TEST_true(BN_hex2bn(&b, "64210519E59C80E7"\n "0FA7E9AB72243049FEB8DEECC146B9B1"))\n || !TEST_true(EC_GROUP_set_curve_GFp(group, p, a, b, ctx))\n || !TEST_true(BN_hex2bn(&x, "188DA80EB03090F6"\n "7CBF20EB43A18800F4FF0AFD82FF1012"))\n || !TEST_true(EC_POINT_set_compressed_coordinates_GFp(group, P, x, 1,\n ctx))\n || !TEST_int_gt(EC_POINT_is_on_curve(group, P, ctx), 0)\n || !TEST_true(BN_hex2bn(&z, "FFFFFFFFFFFFFFFF"\n "FFFFFFFF99DEF836146BC9B1B4D22831"))\n || !TEST_true(EC_GROUP_set_generator(group, P, z, BN_value_one()))\n || !TEST_true(EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx)))\n goto err;\n TEST_info("NIST curve P-192 -- Generator");\n test_output_bignum("x", x);\n test_output_bignum("y", y);\n if (!TEST_true(BN_hex2bn(&z, "07192B95FFC8DA78"\n "631011ED6B24CDD573F977A11E794811"))\n || !TEST_BN_eq(y, z)\n || !TEST_true(BN_add(yplusone, y, BN_value_one()))\n || !TEST_false(EC_POINT_set_affine_coordinates_GFp(group, P, x,\n yplusone, ctx))\n || !TEST_int_eq(EC_GROUP_get_degree(group), 192)\n || !group_order_tests(group)\n || !TEST_ptr(P_192 = EC_GROUP_new(EC_GROUP_method_of(group)))\n || !TEST_true(EC_GROUP_copy(P_192, group))\n || !TEST_true(BN_hex2bn(&p, "FFFFFFFFFFFFFFFFFFFFFFFF"\n "FFFFFFFF000000000000000000000001"))\n || !TEST_int_eq(1, BN_is_prime_ex(p, BN_prime_checks, ctx, NULL))\n || !TEST_true(BN_hex2bn(&a, "FFFFFFFFFFFFFFFFFFFFFFFF"\n "FFFFFFFEFFFFFFFFFFFFFFFFFFFFFFFE"))\n || !TEST_true(BN_hex2bn(&b, "B4050A850C04B3ABF5413256"\n "5044B0B7D7BFD8BA270B39432355FFB4"))\n || !TEST_true(EC_GROUP_set_curve_GFp(group, p, a, b, ctx))\n || !TEST_true(BN_hex2bn(&x, "B70E0CBD6BB4BF7F321390B9"\n "4A03C1D356C21122343280D6115C1D21"))\n || !TEST_true(EC_POINT_set_compressed_coordinates_GFp(group, P, x, 0,\n ctx))\n || !TEST_int_gt(EC_POINT_is_on_curve(group, P, ctx), 0)\n || !TEST_true(BN_hex2bn(&z, "FFFFFFFFFFFFFFFFFFFFFFFF"\n "FFFF16A2E0B8F03E13DD29455C5C2A3D"))\n || !TEST_true(EC_GROUP_set_generator(group, P, z, BN_value_one()))\n || !TEST_true(EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx)))\n goto err;\n TEST_info("NIST curve P-224 -- Generator");\n test_output_bignum("x", x);\n test_output_bignum("y", y);\n if (!TEST_true(BN_hex2bn(&z, "BD376388B5F723FB4C22DFE6"\n "CD4375A05A07476444D5819985007E34"))\n || !TEST_BN_eq(y, z)\n || !TEST_true(BN_add(yplusone, y, BN_value_one()))\n || !TEST_false(EC_POINT_set_affine_coordinates_GFp(group, P, x,\n yplusone, ctx))\n || !TEST_int_eq(EC_GROUP_get_degree(group), 224)\n || !group_order_tests(group)\n || !TEST_ptr(P_224 = EC_GROUP_new(EC_GROUP_method_of(group)))\n || !TEST_true(EC_GROUP_copy(P_224, group))\n || !TEST_true(BN_hex2bn(&p, "FFFFFFFF000000010000000000000000"\n "00000000FFFFFFFFFFFFFFFFFFFFFFFF"))\n || !TEST_int_eq(1, BN_is_prime_ex(p, BN_prime_checks, ctx, NULL))\n || !TEST_true(BN_hex2bn(&a, "FFFFFFFF000000010000000000000000"\n "00000000FFFFFFFFFFFFFFFFFFFFFFFC"))\n || !TEST_true(BN_hex2bn(&b, "5AC635D8AA3A93E7B3EBBD55769886BC"\n "651D06B0CC53B0F63BCE3C3E27D2604B"))\n || !TEST_true(EC_GROUP_set_curve_GFp(group, p, a, b, ctx))\n || !TEST_true(BN_hex2bn(&x, "6B17D1F2E12C4247F8BCE6E563A440F2"\n "77037D812DEB33A0F4A13945D898C296"))\n || !TEST_true(EC_POINT_set_compressed_coordinates_GFp(group, P, x, 1,\n ctx))\n || !TEST_int_gt(EC_POINT_is_on_curve(group, P, ctx), 0)\n || !TEST_true(BN_hex2bn(&z, "FFFFFFFF00000000FFFFFFFFFFFFFFFF"\n "BCE6FAADA7179E84F3B9CAC2FC632551"))\n || !TEST_true(EC_GROUP_set_generator(group, P, z, BN_value_one()))\n || !TEST_true(EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx)))\n goto err;\n TEST_info("NIST curve P-256 -- Generator");\n test_output_bignum("x", x);\n test_output_bignum("y", y);\n if (!TEST_true(BN_hex2bn(&z, "4FE342E2FE1A7F9B8EE7EB4A7C0F9E16"\n "2BCE33576B315ECECBB6406837BF51F5"))\n || !TEST_BN_eq(y, z)\n || !TEST_true(BN_add(yplusone, y, BN_value_one()))\n || !TEST_false(EC_POINT_set_affine_coordinates_GFp(group, P, x,\n yplusone, ctx))\n || !TEST_int_eq(EC_GROUP_get_degree(group), 256)\n || !group_order_tests(group)\n || !TEST_ptr(P_256 = EC_GROUP_new(EC_GROUP_method_of(group)))\n || !TEST_true(EC_GROUP_copy(P_256, group))\n || !TEST_true(BN_hex2bn(&p, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"\n "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE"\n "FFFFFFFF0000000000000000FFFFFFFF"))\n || !TEST_int_eq(1, BN_is_prime_ex(p, BN_prime_checks, ctx, NULL))\n || !TEST_true(BN_hex2bn(&a, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"\n "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE"\n "FFFFFFFF0000000000000000FFFFFFFC"))\n || !TEST_true(BN_hex2bn(&b, "B3312FA7E23EE7E4988E056BE3F82D19"\n "181D9C6EFE8141120314088F5013875A"\n "C656398D8A2ED19D2A85C8EDD3EC2AEF"))\n || !TEST_true(EC_GROUP_set_curve_GFp(group, p, a, b, ctx))\n || !TEST_true(BN_hex2bn(&x, "AA87CA22BE8B05378EB1C71EF320AD74"\n "6E1D3B628BA79B9859F741E082542A38"\n "5502F25DBF55296C3A545E3872760AB7"))\n || !TEST_true(EC_POINT_set_compressed_coordinates_GFp(group, P, x, 1,\n ctx))\n || !TEST_int_gt(EC_POINT_is_on_curve(group, P, ctx), 0)\n || !TEST_true(BN_hex2bn(&z, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"\n "FFFFFFFFFFFFFFFFC7634D81F4372DDF"\n "581A0DB248B0A77AECEC196ACCC52973"))\n || !TEST_true(EC_GROUP_set_generator(group, P, z, BN_value_one()))\n || !TEST_true(EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx)))\n goto err;\n TEST_info("NIST curve P-384 -- Generator");\n test_output_bignum("x", x);\n test_output_bignum("y", y);\n if (!TEST_true(BN_hex2bn(&z, "3617DE4A96262C6F5D9E98BF9292DC29"\n "F8F41DBD289A147CE9DA3113B5F0B8C0"\n "0A60B1CE1D7E819D7A431D7C90EA0E5F"))\n || !TEST_BN_eq(y, z)\n || !TEST_true(BN_add(yplusone, y, BN_value_one()))\n || !TEST_false(EC_POINT_set_affine_coordinates_GFp(group, P, x,\n yplusone, ctx))\n || !TEST_int_eq(EC_GROUP_get_degree(group), 384)\n || !group_order_tests(group)\n || !TEST_ptr(P_384 = EC_GROUP_new(EC_GROUP_method_of(group)))\n || !TEST_true(EC_GROUP_copy(P_384, group))\n || !TEST_true(BN_hex2bn(&p, "1FF"\n "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"\n "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"\n "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"\n "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"))\n || !TEST_int_eq(1, BN_is_prime_ex(p, BN_prime_checks, ctx, NULL))\n || !TEST_true(BN_hex2bn(&a, "1FF"\n "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"\n "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"\n "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"\n "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFC"))\n || !TEST_true(BN_hex2bn(&b, "051"\n "953EB9618E1C9A1F929A21A0B68540EE"\n "A2DA725B99B315F3B8B489918EF109E1"\n "56193951EC7E937B1652C0BD3BB1BF07"\n "3573DF883D2C34F1EF451FD46B503F00"))\n || !TEST_true(EC_GROUP_set_curve_GFp(group, p, a, b, ctx))\n || !TEST_true(BN_hex2bn(&x, "C6"\n "858E06B70404E9CD9E3ECB662395B442"\n "9C648139053FB521F828AF606B4D3DBA"\n "A14B5E77EFE75928FE1DC127A2FFA8DE"\n "3348B3C1856A429BF97E7E31C2E5BD66"))\n || !TEST_true(EC_POINT_set_compressed_coordinates_GFp(group, P, x, 0,\n ctx))\n || !TEST_int_gt(EC_POINT_is_on_curve(group, P, ctx), 0)\n || !TEST_true(BN_hex2bn(&z, "1FF"\n "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"\n "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFA"\n "51868783BF2F966B7FCC0148F709A5D0"\n "3BB5C9B8899C47AEBB6FB71E91386409"))\n || !TEST_true(EC_GROUP_set_generator(group, P, z, BN_value_one()))\n || !TEST_true(EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx)))\n goto err;\n TEST_info("NIST curve P-521 -- Generator");\n test_output_bignum("x", x);\n test_output_bignum("y", y);\n if (!TEST_true(BN_hex2bn(&z, "118"\n "39296A789A3BC0045C8A5FB42C7D1BD9"\n "98F54449579B446817AFBD17273E662C"\n "97EE72995EF42640C550B9013FAD0761"\n "353C7086A272C24088BE94769FD16650"))\n || !TEST_BN_eq(y, z)\n || !TEST_true(BN_add(yplusone, y, BN_value_one()))\n || !TEST_false(EC_POINT_set_affine_coordinates_GFp(group, P, x,\n yplusone, ctx))\n || !TEST_int_eq(EC_GROUP_get_degree(group), 521)\n || !group_order_tests(group)\n || !TEST_ptr(P_521 = EC_GROUP_new(EC_GROUP_method_of(group)))\n || !TEST_true(EC_GROUP_copy(P_521, group))\n || !TEST_true(EC_POINT_set_affine_coordinates_GFp(group, P, x, y, ctx))\n || !TEST_true(EC_POINT_copy(Q, P))\n || !TEST_false(EC_POINT_is_at_infinity(group, Q))\n || !TEST_true(EC_POINT_dbl(group, P, P, ctx))\n || !TEST_int_gt(EC_POINT_is_on_curve(group, P, ctx), 0)\n || !TEST_true(EC_POINT_invert(group, Q, ctx))\n || !TEST_true(EC_POINT_add(group, R, P, Q, ctx))\n || !TEST_true(EC_POINT_add(group, R, R, Q, ctx))\n || !TEST_true(EC_POINT_is_at_infinity(group, R))\n || !TEST_false(EC_POINT_is_at_infinity(group, Q)))\n goto err;\n points[0] = Q;\n points[1] = Q;\n points[2] = Q;\n points[3] = Q;\n if (!TEST_true(EC_GROUP_get_order(group, z, ctx))\n || !TEST_true(BN_add(y, z, BN_value_one()))\n || !TEST_BN_even(y)\n || !TEST_true(BN_rshift1(y, y)))\n goto err;\n scalars[0] = y;\n scalars[1] = y;\n TEST_note("combined multiplication ...");\n if (!TEST_true(EC_POINTs_mul(group, P, NULL, 2, points, scalars, ctx))\n || !TEST_true(EC_POINTs_mul(group, R, z, 2, points, scalars, ctx))\n || !TEST_int_eq(0, EC_POINT_cmp(group, P, R, ctx))\n || !TEST_int_eq(0, EC_POINT_cmp(group, R, Q, ctx))\n || !TEST_true(BN_rand(y, BN_num_bits(y), 0, 0))\n || !TEST_true(BN_add(z, z, y)))\n goto err;\n BN_set_negative(z, 1);\n scalars[0] = y;\n scalars[1] = z;\n if (!TEST_true(EC_POINTs_mul(group, P, NULL, 2, points, scalars, ctx))\n || !TEST_true(EC_POINT_is_at_infinity(group, P))\n || !TEST_true(BN_rand(x, BN_num_bits(y) - 1, 0, 0))\n || !TEST_true(BN_add(z, x, y)))\n goto err;\n BN_set_negative(z, 1);\n scalars[0] = x;\n scalars[1] = y;\n scalars[2] = z;\n if (!TEST_ptr(scalar3 = BN_new()))\n goto err;\n BN_zero(scalar3);\n scalars[3] = scalar3;\n if (!TEST_true(EC_POINTs_mul(group, P, NULL, 4, points, scalars, ctx))\n || !TEST_true(EC_POINT_is_at_infinity(group, P)))\n goto err;\n TEST_note(" ok\\n");\n r = 1;\nerr:\n BN_CTX_free(ctx);\n BN_free(p);\n BN_free(a);\n BN_free(b);\n EC_GROUP_free(group);\n EC_GROUP_free(tmp);\n EC_POINT_free(P);\n EC_POINT_free(Q);\n EC_POINT_free(R);\n BN_free(x);\n BN_free(y);\n BN_free(z);\n BN_free(yplusone);\n BN_free(scalar3);\n EC_GROUP_free(P_160);\n EC_GROUP_free(P_192);\n EC_GROUP_free(P_224);\n EC_GROUP_free(P_256);\n EC_GROUP_free(P_384);\n EC_GROUP_free(P_521);\n return r;\n}', "int BN_hex2bn(BIGNUM **bn, const char *a)\n{\n BIGNUM *ret = NULL;\n BN_ULONG l = 0;\n int neg = 0, h, m, i, j, k, c;\n int num;\n if (a == NULL || *a == '\\0')\n return 0;\n if (*a == '-') {\n neg = 1;\n a++;\n }\n for (i = 0; i <= INT_MAX / 4 && ossl_isxdigit(a[i]); i++)\n continue;\n if (i == 0 || i > INT_MAX / 4)\n goto err;\n num = i + neg;\n if (bn == NULL)\n return num;\n if (*bn == NULL) {\n if ((ret = BN_new()) == NULL)\n return 0;\n } else {\n ret = *bn;\n BN_zero(ret);\n }\n if (bn_expand(ret, i * 4) == NULL)\n goto err;\n j = i;\n m = 0;\n h = 0;\n while (j > 0) {\n m = (BN_BYTES * 2 <= j) ? BN_BYTES * 2 : j;\n l = 0;\n for (;;) {\n c = a[j - m];\n k = OPENSSL_hexchar2int(c);\n if (k < 0)\n k = 0;\n l = (l << 4) | k;\n if (--m <= 0) {\n ret->d[h++] = l;\n break;\n }\n }\n j -= BN_BYTES * 2;\n }\n ret->top = h;\n bn_correct_top(ret);\n *bn = ret;\n bn_check_top(ret);\n if (ret->top != 0)\n ret->neg = neg;\n return num;\n err:\n if (*bn == NULL)\n BN_free(ret);\n return 0;\n}", 'int EC_POINT_set_compressed_coordinates_GFp(const EC_GROUP *group,\n EC_POINT *point, const BIGNUM *x,\n int y_bit, BN_CTX *ctx)\n{\n if (group->meth->point_set_compressed_coordinates == 0\n && !(group->meth->flags & EC_FLAGS_DEFAULT_OCT)) {\n ECerr(EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GFP,\n ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);\n return 0;\n }\n if (group->meth != point->meth) {\n ECerr(EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GFP,\n EC_R_INCOMPATIBLE_OBJECTS);\n return 0;\n }\n if (group->meth->flags & EC_FLAGS_DEFAULT_OCT) {\n if (group->meth->field_type == NID_X9_62_prime_field)\n return ec_GFp_simple_set_compressed_coordinates(group, point, x,\n y_bit, ctx);\n else\n#ifdef OPENSSL_NO_EC2M\n {\n ECerr(EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GFP,\n EC_R_GF2M_NOT_SUPPORTED);\n return 0;\n }\n#else\n return ec_GF2m_simple_set_compressed_coordinates(group, point, x,\n y_bit, ctx);\n#endif\n }\n return group->meth->point_set_compressed_coordinates(group, point, x,\n y_bit, ctx);\n}', 'int ec_GFp_simple_set_compressed_coordinates(const EC_GROUP *group,\n EC_POINT *point,\n const BIGNUM *x_, int y_bit,\n BN_CTX *ctx)\n{\n BN_CTX *new_ctx = NULL;\n BIGNUM *tmp1, *tmp2, *x, *y;\n int ret = 0;\n ERR_clear_error();\n if (ctx == NULL) {\n ctx = new_ctx = BN_CTX_new();\n if (ctx == NULL)\n return 0;\n }\n y_bit = (y_bit != 0);\n BN_CTX_start(ctx);\n tmp1 = BN_CTX_get(ctx);\n tmp2 = BN_CTX_get(ctx);\n x = BN_CTX_get(ctx);\n y = BN_CTX_get(ctx);\n if (y == NULL)\n goto err;\n if (!BN_nnmod(x, x_, group->field, ctx))\n goto err;\n if (group->meth->field_decode == 0) {\n if (!group->meth->field_sqr(group, tmp2, x_, ctx))\n goto err;\n if (!group->meth->field_mul(group, tmp1, tmp2, x_, ctx))\n goto err;\n } else {\n if (!BN_mod_sqr(tmp2, x_, group->field, ctx))\n goto err;\n if (!BN_mod_mul(tmp1, tmp2, x_, group->field, ctx))\n goto err;\n }\n if (group->a_is_minus3) {\n if (!BN_mod_lshift1_quick(tmp2, x, group->field))\n goto err;\n if (!BN_mod_add_quick(tmp2, tmp2, x, group->field))\n goto err;\n if (!BN_mod_sub_quick(tmp1, tmp1, tmp2, group->field))\n goto err;\n } else {\n if (group->meth->field_decode) {\n if (!group->meth->field_decode(group, tmp2, group->a, ctx))\n goto err;\n if (!BN_mod_mul(tmp2, tmp2, x, group->field, ctx))\n goto err;\n } else {\n if (!group->meth->field_mul(group, tmp2, group->a, x, ctx))\n goto err;\n }\n if (!BN_mod_add_quick(tmp1, tmp1, tmp2, group->field))\n goto err;\n }\n if (group->meth->field_decode) {\n if (!group->meth->field_decode(group, tmp2, group->b, ctx))\n goto err;\n if (!BN_mod_add_quick(tmp1, tmp1, tmp2, group->field))\n goto err;\n } else {\n if (!BN_mod_add_quick(tmp1, tmp1, group->b, group->field))\n goto err;\n }\n if (!BN_mod_sqrt(y, tmp1, group->field, ctx)) {\n unsigned long err = ERR_peek_last_error();\n if (ERR_GET_LIB(err) == ERR_LIB_BN\n && ERR_GET_REASON(err) == BN_R_NOT_A_SQUARE) {\n ERR_clear_error();\n ECerr(EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES,\n EC_R_INVALID_COMPRESSED_POINT);\n } else\n ECerr(EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES,\n ERR_R_BN_LIB);\n goto err;\n }\n if (y_bit != BN_is_odd(y)) {\n if (BN_is_zero(y)) {\n int kron;\n kron = BN_kronecker(x, group->field, ctx);\n if (kron == -2)\n goto err;\n if (kron == 1)\n ECerr(EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES,\n EC_R_INVALID_COMPRESSION_BIT);\n else\n ECerr(EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES,\n EC_R_INVALID_COMPRESSED_POINT);\n goto err;\n }\n if (!BN_usub(y, group->field, y))\n goto err;\n }\n if (y_bit != BN_is_odd(y)) {\n ECerr(EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES,\n ERR_R_INTERNAL_ERROR);\n goto err;\n }\n if (!EC_POINT_set_affine_coordinates_GFp(group, point, x, y, ctx))\n goto err;\n ret = 1;\n err:\n BN_CTX_end(ctx);\n BN_CTX_free(new_ctx);\n return ret;\n}', 'int BN_nnmod(BIGNUM *r, const BIGNUM *m, const BIGNUM *d, BN_CTX *ctx)\n{\n if (!(BN_mod(r, m, d, ctx)))\n return 0;\n if (!r->neg)\n return 1;\n return (d->neg ? BN_sub : BN_add) (r, r, d);\n}', 'int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,\n BN_CTX *ctx)\n{\n int norm_shift, i, loop;\n BIGNUM *tmp, wnum, *snum, *sdiv, *res;\n BN_ULONG *resp, *wnump;\n BN_ULONG d0, d1;\n int num_n, div_n;\n int no_branch = 0;\n if ((num->top > 0 && num->d[num->top - 1] == 0) ||\n (divisor->top > 0 && divisor->d[divisor->top - 1] == 0)) {\n BNerr(BN_F_BN_DIV, BN_R_NOT_INITIALIZED);\n return 0;\n }\n bn_check_top(num);\n bn_check_top(divisor);\n if ((BN_get_flags(num, BN_FLG_CONSTTIME) != 0)\n || (BN_get_flags(divisor, BN_FLG_CONSTTIME) != 0)) {\n no_branch = 1;\n }\n bn_check_top(dv);\n bn_check_top(rm);\n if (BN_is_zero(divisor)) {\n BNerr(BN_F_BN_DIV, BN_R_DIV_BY_ZERO);\n return 0;\n }\n if (!no_branch && BN_ucmp(num, divisor) < 0) {\n if (rm != NULL) {\n if (BN_copy(rm, num) == NULL)\n return 0;\n }\n if (dv != NULL)\n BN_zero(dv);\n return 1;\n }\n BN_CTX_start(ctx);\n res = (dv == NULL) ? BN_CTX_get(ctx) : dv;\n tmp = BN_CTX_get(ctx);\n snum = BN_CTX_get(ctx);\n sdiv = BN_CTX_get(ctx);\n if (sdiv == NULL)\n goto err;\n norm_shift = BN_BITS2 - ((BN_num_bits(divisor)) % BN_BITS2);\n if (!(BN_lshift(sdiv, divisor, norm_shift)))\n goto err;\n sdiv->neg = 0;\n norm_shift += BN_BITS2;\n if (!(BN_lshift(snum, num, norm_shift)))\n goto err;\n snum->neg = 0;\n if (no_branch) {\n if (snum->top <= sdiv->top + 1) {\n if (bn_wexpand(snum, sdiv->top + 2) == NULL)\n goto err;\n for (i = snum->top; i < sdiv->top + 2; i++)\n snum->d[i] = 0;\n snum->top = sdiv->top + 2;\n } else {\n if (bn_wexpand(snum, snum->top + 1) == NULL)\n goto err;\n snum->d[snum->top] = 0;\n snum->top++;\n }\n }\n div_n = sdiv->top;\n num_n = snum->top;\n loop = num_n - div_n;\n wnum.neg = 0;\n wnum.d = &(snum->d[loop]);\n wnum.top = div_n;\n wnum.dmax = snum->dmax - loop;\n d0 = sdiv->d[div_n - 1];\n d1 = (div_n == 1) ? 0 : sdiv->d[div_n - 2];\n wnump = &(snum->d[num_n - 1]);\n if (!bn_wexpand(res, (loop + 1)))\n goto err;\n res->neg = (num->neg ^ divisor->neg);\n res->top = loop - no_branch;\n resp = &(res->d[loop - 1]);\n if (!bn_wexpand(tmp, (div_n + 1)))\n goto err;\n if (!no_branch) {\n if (BN_ucmp(&wnum, sdiv) >= 0) {\n bn_clear_top2max(&wnum);\n bn_sub_words(wnum.d, wnum.d, sdiv->d, div_n);\n *resp = 1;\n } else\n res->top--;\n }\n resp++;\n if (res->top == 0)\n res->neg = 0;\n else\n resp--;\n for (i = 0; i < loop - 1; i++, wnump--) {\n BN_ULONG q, l0;\n# if defined(BN_DIV3W) && !defined(OPENSSL_NO_ASM)\n BN_ULONG bn_div_3_words(BN_ULONG *, BN_ULONG, BN_ULONG);\n q = bn_div_3_words(wnump, d1, d0);\n# else\n BN_ULONG n0, n1, rem = 0;\n n0 = wnump[0];\n n1 = wnump[-1];\n if (n0 == d0)\n q = BN_MASK2;\n else {\n# ifdef BN_LLONG\n BN_ULLONG t2;\n# if defined(BN_LLONG) && defined(BN_DIV2W) && !defined(bn_div_words)\n q = (BN_ULONG)(((((BN_ULLONG) n0) << BN_BITS2) | n1) / d0);\n# else\n q = bn_div_words(n0, n1, d0);\n# endif\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n t2 = (BN_ULLONG) d1 *q;\n for (;;) {\n if (t2 <= ((((BN_ULLONG) rem) << BN_BITS2) | wnump[-2]))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n t2 -= d1;\n }\n# else\n BN_ULONG t2l, t2h;\n q = bn_div_words(n0, n1, d0);\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n# if defined(BN_UMULT_LOHI)\n BN_UMULT_LOHI(t2l, t2h, d1, q);\n# elif defined(BN_UMULT_HIGH)\n t2l = d1 * q;\n t2h = BN_UMULT_HIGH(d1, q);\n# else\n {\n BN_ULONG ql, qh;\n t2l = LBITS(d1);\n t2h = HBITS(d1);\n ql = LBITS(q);\n qh = HBITS(q);\n mul64(t2l, t2h, ql, qh);\n }\n# endif\n for (;;) {\n if ((t2h < rem) || ((t2h == rem) && (t2l <= wnump[-2])))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n if (t2l < d1)\n t2h--;\n t2l -= d1;\n }\n# endif\n }\n# endif\n l0 = bn_mul_words(tmp->d, sdiv->d, div_n, q);\n tmp->d[div_n] = l0;\n wnum.d--;\n if (bn_sub_words(wnum.d, wnum.d, tmp->d, div_n + 1)) {\n q--;\n if (bn_add_words(wnum.d, wnum.d, sdiv->d, div_n))\n (*wnump)++;\n }\n resp--;\n *resp = q;\n }\n bn_correct_top(snum);\n if (rm != NULL) {\n int neg = num->neg;\n BN_rshift(rm, snum, norm_shift);\n if (!BN_is_zero(rm))\n rm->neg = neg;\n bn_check_top(rm);\n }\n if (no_branch)\n bn_correct_top(res);\n BN_CTX_end(ctx);\n return 1;\n err:\n bn_check_top(rm);\n BN_CTX_end(ctx);\n return 0;\n}', 'BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)\n{\n bn_check_top(b);\n if (a == b)\n return a;\n if (bn_wexpand(a, b->top) == NULL)\n return NULL;\n if (b->top > 0)\n memcpy(a->d, b->d, sizeof(b->d[0]) * b->top);\n if (BN_get_flags(b, BN_FLG_CONSTTIME) != 0)\n BN_set_flags(a, BN_FLG_CONSTTIME);\n a->top = b->top;\n a->neg = b->neg;\n bn_check_top(a);\n return a;\n}', 'BIGNUM *bn_wexpand(BIGNUM *a, int words)\n{\n return (words <= a->dmax) ? a : bn_expand2(a, words);\n}'] |
21,018 | 0 | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/h264pred.c/#L150 | static void pred4x4_down_left_c(uint8_t *src, uint8_t *topright, int stride){
LOAD_TOP_EDGE
LOAD_TOP_RIGHT_EDGE
src[0+0*stride]=(t0 + t2 + 2*t1 + 2)>>2;
src[1+0*stride]=
src[0+1*stride]=(t1 + t3 + 2*t2 + 2)>>2;
src[2+0*stride]=
src[1+1*stride]=
src[0+2*stride]=(t2 + t4 + 2*t3 + 2)>>2;
src[3+0*stride]=
src[2+1*stride]=
src[1+2*stride]=
src[0+3*stride]=(t3 + t5 + 2*t4 + 2)>>2;
src[3+1*stride]=
src[2+2*stride]=
src[1+3*stride]=(t4 + t6 + 2*t5 + 2)>>2;
src[3+2*stride]=
src[2+3*stride]=(t5 + t7 + 2*t6 + 2)>>2;
src[3+3*stride]=(t6 + 3*t7 + 2)>>2;
} | ['static void pred4x4_down_left_c(uint8_t *src, uint8_t *topright, int stride){\n LOAD_TOP_EDGE\n LOAD_TOP_RIGHT_EDGE\n src[0+0*stride]=(t0 + t2 + 2*t1 + 2)>>2;\n src[1+0*stride]=\n src[0+1*stride]=(t1 + t3 + 2*t2 + 2)>>2;\n src[2+0*stride]=\n src[1+1*stride]=\n src[0+2*stride]=(t2 + t4 + 2*t3 + 2)>>2;\n src[3+0*stride]=\n src[2+1*stride]=\n src[1+2*stride]=\n src[0+3*stride]=(t3 + t5 + 2*t4 + 2)>>2;\n src[3+1*stride]=\n src[2+2*stride]=\n src[1+3*stride]=(t4 + t6 + 2*t5 + 2)>>2;\n src[3+2*stride]=\n src[2+3*stride]=(t5 + t7 + 2*t6 + 2)>>2;\n src[3+3*stride]=(t6 + 3*t7 + 2)>>2;\n}'] |
21,019 | 0 | https://gitlab.com/libtiff/libtiff/blob/3334704ebcec6a8011fc5ef5d0904d6297a0b9ff/libtiff/tif_strip.c/#L65 | uint32
TIFFNumberOfStrips(TIFF* tif)
{
TIFFDirectory *td = &tif->tif_dir;
uint32 nstrips;
nstrips = (td->td_rowsperstrip == (uint32) -1 ? 1 :
TIFFhowmany_32(td->td_imagelength, td->td_rowsperstrip));
if (td->td_planarconfig == PLANARCONFIG_SEPARATE)
nstrips = _TIFFMultiply32(tif, nstrips, (uint32)td->td_samplesperpixel,
"TIFFNumberOfStrips");
return (nstrips);
} | ['TIFF*\nTIFFClientOpen(\n\tconst char* name, const char* mode,\n\tthandle_t clientdata,\n\tTIFFReadWriteProc readproc,\n\tTIFFReadWriteProc writeproc,\n\tTIFFSeekProc seekproc,\n\tTIFFCloseProc closeproc,\n\tTIFFSizeProc sizeproc,\n\tTIFFMapFileProc mapproc,\n\tTIFFUnmapFileProc unmapproc\n)\n{\n\tstatic const char module[] = "TIFFClientOpen";\n\tTIFF *tif;\n\tint m;\n\tconst char* cp;\n\tassert(sizeof(uint8)==1);\n\tassert(sizeof(int8)==1);\n\tassert(sizeof(uint16)==2);\n\tassert(sizeof(int16)==2);\n\tassert(sizeof(uint32)==4);\n\tassert(sizeof(int32)==4);\n\tassert(sizeof(uint64)==8);\n\tassert(sizeof(int64)==8);\n\tassert(sizeof(tmsize_t)==sizeof(void*));\n\t{\n\t\tunion{\n\t\t\tuint8 a8[2];\n\t\t\tuint16 a16;\n\t\t} n;\n\t\tn.a8[0]=1;\n\t\tn.a8[1]=0;\n\t\t#ifdef WORDS_BIGENDIAN\n\t\tassert(n.a16==256);\n\t\t#else\n\t\tassert(n.a16==1);\n\t\t#endif\n\t}\n\tm = _TIFFgetMode(mode, module);\n\tif (m == -1)\n\t\tgoto bad2;\n\ttif = (TIFF *)_TIFFmalloc((tmsize_t)(sizeof (TIFF) + strlen(name) + 1));\n\tif (tif == NULL) {\n\t\tTIFFErrorExt(clientdata, module, "%s: Out of memory (TIFF structure)", name);\n\t\tgoto bad2;\n\t}\n\t_TIFFmemset(tif, 0, sizeof (*tif));\n\ttif->tif_name = (char *)tif + sizeof (TIFF);\n\tstrcpy(tif->tif_name, name);\n\ttif->tif_mode = m &~ (O_CREAT|O_TRUNC);\n\ttif->tif_curdir = (uint16) -1;\n\ttif->tif_curoff = 0;\n\ttif->tif_curstrip = (uint32) -1;\n\ttif->tif_row = (uint32) -1;\n\ttif->tif_clientdata = clientdata;\n\tif (!readproc || !writeproc || !seekproc || !closeproc || !sizeproc) {\n\t\tTIFFErrorExt(clientdata, module,\n\t\t "One of the client procedures is NULL pointer.");\n\t\t_TIFFfree(tif);\n\t\tgoto bad2;\n\t}\n\ttif->tif_readproc = readproc;\n\ttif->tif_writeproc = writeproc;\n\ttif->tif_seekproc = seekproc;\n\ttif->tif_closeproc = closeproc;\n\ttif->tif_sizeproc = sizeproc;\n\tif (mapproc)\n\t\ttif->tif_mapproc = mapproc;\n\telse\n\t\ttif->tif_mapproc = _tiffDummyMapProc;\n\tif (unmapproc)\n\t\ttif->tif_unmapproc = unmapproc;\n\telse\n\t\ttif->tif_unmapproc = _tiffDummyUnmapProc;\n\t_TIFFSetDefaultCompressionState(tif);\n\ttif->tif_flags = FILLORDER_MSB2LSB;\n\tif (m == O_RDONLY )\n\t\ttif->tif_flags |= TIFF_MAPPED;\n\t#ifdef STRIPCHOP_DEFAULT\n\tif (m == O_RDONLY || m == O_RDWR)\n\t\ttif->tif_flags |= STRIPCHOP_DEFAULT;\n\t#endif\n\tfor (cp = mode; *cp; cp++)\n\t\tswitch (*cp) {\n\t\t\tcase \'b\':\n\t\t\t\t#ifndef WORDS_BIGENDIAN\n\t\t\t\tif (m&O_CREAT)\n\t\t\t\t\ttif->tif_flags |= TIFF_SWAB;\n\t\t\t\t#endif\n\t\t\t\tbreak;\n\t\t\tcase \'l\':\n\t\t\t\t#ifdef WORDS_BIGENDIAN\n\t\t\t\tif ((m&O_CREAT))\n\t\t\t\t\ttif->tif_flags |= TIFF_SWAB;\n\t\t\t\t#endif\n\t\t\t\tbreak;\n\t\t\tcase \'B\':\n\t\t\t\ttif->tif_flags = (tif->tif_flags &~ TIFF_FILLORDER) |\n\t\t\t\t FILLORDER_MSB2LSB;\n\t\t\t\tbreak;\n\t\t\tcase \'L\':\n\t\t\t\ttif->tif_flags = (tif->tif_flags &~ TIFF_FILLORDER) |\n\t\t\t\t FILLORDER_LSB2MSB;\n\t\t\t\tbreak;\n\t\t\tcase \'H\':\n\t\t\t\ttif->tif_flags = (tif->tif_flags &~ TIFF_FILLORDER) |\n\t\t\t\t HOST_FILLORDER;\n\t\t\t\tbreak;\n\t\t\tcase \'M\':\n\t\t\t\tif (m == O_RDONLY)\n\t\t\t\t\ttif->tif_flags |= TIFF_MAPPED;\n\t\t\t\tbreak;\n\t\t\tcase \'m\':\n\t\t\t\tif (m == O_RDONLY)\n\t\t\t\t\ttif->tif_flags &= ~TIFF_MAPPED;\n\t\t\t\tbreak;\n\t\t\tcase \'C\':\n\t\t\t\tif (m == O_RDONLY)\n\t\t\t\t\ttif->tif_flags |= TIFF_STRIPCHOP;\n\t\t\t\tbreak;\n\t\t\tcase \'c\':\n\t\t\t\tif (m == O_RDONLY)\n\t\t\t\t\ttif->tif_flags &= ~TIFF_STRIPCHOP;\n\t\t\t\tbreak;\n\t\t\tcase \'h\':\n\t\t\t\ttif->tif_flags |= TIFF_HEADERONLY;\n\t\t\t\tbreak;\n\t\t\tcase \'8\':\n\t\t\t\tif (m&O_CREAT)\n\t\t\t\t\ttif->tif_flags |= TIFF_BIGTIFF;\n\t\t\t\tbreak;\n\t\t\tcase \'D\':\n\t\t\t tif->tif_flags |= TIFF_DEFERSTRILELOAD;\n\t\t\t\tbreak;\n\t\t\tcase \'O\':\n\t\t\t\tif( m == O_RDONLY )\n\t\t\t\t\ttif->tif_flags |= (TIFF_LAZYSTRILELOAD | TIFF_DEFERSTRILELOAD);\n\t\t\t\tbreak;\n\t\t}\n#ifdef DEFER_STRILE_LOAD\n tif->tif_flags |= TIFF_DEFERSTRILELOAD;\n#endif\n\tif ((m & O_TRUNC) ||\n\t !ReadOK(tif, &tif->tif_header, sizeof (TIFFHeaderClassic))) {\n\t\tif (tif->tif_mode == O_RDONLY) {\n\t\t\tTIFFErrorExt(tif->tif_clientdata, name,\n\t\t\t "Cannot read TIFF header");\n\t\t\tgoto bad;\n\t\t}\n\t\t#ifdef WORDS_BIGENDIAN\n\t\ttif->tif_header.common.tiff_magic = (tif->tif_flags & TIFF_SWAB)\n\t\t ? TIFF_LITTLEENDIAN : TIFF_BIGENDIAN;\n\t\t#else\n\t\ttif->tif_header.common.tiff_magic = (tif->tif_flags & TIFF_SWAB)\n\t\t ? TIFF_BIGENDIAN : TIFF_LITTLEENDIAN;\n\t\t#endif\n\t\tif (!(tif->tif_flags&TIFF_BIGTIFF))\n\t\t{\n\t\t\ttif->tif_header.common.tiff_version = TIFF_VERSION_CLASSIC;\n\t\t\ttif->tif_header.classic.tiff_diroff = 0;\n\t\t\tif (tif->tif_flags & TIFF_SWAB)\n\t\t\t\tTIFFSwabShort(&tif->tif_header.common.tiff_version);\n\t\t\ttif->tif_header_size = sizeof(TIFFHeaderClassic);\n\t\t}\n\t\telse\n\t\t{\n\t\t\ttif->tif_header.common.tiff_version = TIFF_VERSION_BIG;\n\t\t\ttif->tif_header.big.tiff_offsetsize = 8;\n\t\t\ttif->tif_header.big.tiff_unused = 0;\n\t\t\ttif->tif_header.big.tiff_diroff = 0;\n\t\t\tif (tif->tif_flags & TIFF_SWAB)\n\t\t\t{\n\t\t\t\tTIFFSwabShort(&tif->tif_header.common.tiff_version);\n\t\t\t\tTIFFSwabShort(&tif->tif_header.big.tiff_offsetsize);\n\t\t\t}\n\t\t\ttif->tif_header_size = sizeof (TIFFHeaderBig);\n\t\t}\n\t\tTIFFSeekFile( tif, 0, SEEK_SET );\n\t\tif (!WriteOK(tif, &tif->tif_header, (tmsize_t)(tif->tif_header_size))) {\n\t\t\tTIFFErrorExt(tif->tif_clientdata, name,\n\t\t\t "Error writing TIFF header");\n\t\t\tgoto bad;\n\t\t}\n\t\tif (tif->tif_header.common.tiff_magic == TIFF_BIGENDIAN) {\n\t\t\t#ifndef WORDS_BIGENDIAN\n\t\t\ttif->tif_flags |= TIFF_SWAB;\n\t\t\t#endif\n\t\t} else {\n\t\t\t#ifdef WORDS_BIGENDIAN\n\t\t\ttif->tif_flags |= TIFF_SWAB;\n\t\t\t#endif\n\t\t}\n\t\tif (!TIFFDefaultDirectory(tif))\n\t\t\tgoto bad;\n\t\ttif->tif_diroff = 0;\n\t\ttif->tif_dirlist = NULL;\n\t\ttif->tif_dirlistsize = 0;\n\t\ttif->tif_dirnumber = 0;\n\t\treturn (tif);\n\t}\n\tif (tif->tif_header.common.tiff_magic != TIFF_BIGENDIAN &&\n\t tif->tif_header.common.tiff_magic != TIFF_LITTLEENDIAN\n\t #if MDI_SUPPORT\n\t &&\n\t #if HOST_BIGENDIAN\n\t tif->tif_header.common.tiff_magic != MDI_BIGENDIAN\n\t #else\n\t tif->tif_header.common.tiff_magic != MDI_LITTLEENDIAN\n\t #endif\n\t ) {\n\t\tTIFFErrorExt(tif->tif_clientdata, name,\n\t\t "Not a TIFF or MDI file, bad magic number %d (0x%x)",\n\t #else\n\t ) {\n\t\tTIFFErrorExt(tif->tif_clientdata, name,\n\t\t "Not a TIFF file, bad magic number %d (0x%x)",\n\t #endif\n\t\t tif->tif_header.common.tiff_magic,\n\t\t tif->tif_header.common.tiff_magic);\n\t\tgoto bad;\n\t}\n\tif (tif->tif_header.common.tiff_magic == TIFF_BIGENDIAN) {\n\t\t#ifndef WORDS_BIGENDIAN\n\t\ttif->tif_flags |= TIFF_SWAB;\n\t\t#endif\n\t} else {\n\t\t#ifdef WORDS_BIGENDIAN\n\t\ttif->tif_flags |= TIFF_SWAB;\n\t\t#endif\n\t}\n\tif (tif->tif_flags & TIFF_SWAB)\n\t\tTIFFSwabShort(&tif->tif_header.common.tiff_version);\n\tif ((tif->tif_header.common.tiff_version != TIFF_VERSION_CLASSIC)&&\n\t (tif->tif_header.common.tiff_version != TIFF_VERSION_BIG)) {\n\t\tTIFFErrorExt(tif->tif_clientdata, name,\n\t\t "Not a TIFF file, bad version number %d (0x%x)",\n\t\t tif->tif_header.common.tiff_version,\n\t\t tif->tif_header.common.tiff_version);\n\t\tgoto bad;\n\t}\n\tif (tif->tif_header.common.tiff_version == TIFF_VERSION_CLASSIC)\n\t{\n\t\tif (tif->tif_flags & TIFF_SWAB)\n\t\t\tTIFFSwabLong(&tif->tif_header.classic.tiff_diroff);\n\t\ttif->tif_header_size = sizeof(TIFFHeaderClassic);\n\t}\n\telse\n\t{\n\t\tif (!ReadOK(tif, ((uint8*)(&tif->tif_header) + sizeof(TIFFHeaderClassic)), (sizeof(TIFFHeaderBig)-sizeof(TIFFHeaderClassic))))\n\t\t{\n\t\t\tTIFFErrorExt(tif->tif_clientdata, name,\n\t\t\t "Cannot read TIFF header");\n\t\t\tgoto bad;\n\t\t}\n\t\tif (tif->tif_flags & TIFF_SWAB)\n\t\t{\n\t\t\tTIFFSwabShort(&tif->tif_header.big.tiff_offsetsize);\n\t\t\tTIFFSwabLong8(&tif->tif_header.big.tiff_diroff);\n\t\t}\n\t\tif (tif->tif_header.big.tiff_offsetsize != 8)\n\t\t{\n\t\t\tTIFFErrorExt(tif->tif_clientdata, name,\n\t\t\t "Not a TIFF file, bad BigTIFF offsetsize %d (0x%x)",\n\t\t\t tif->tif_header.big.tiff_offsetsize,\n\t\t\t tif->tif_header.big.tiff_offsetsize);\n\t\t\tgoto bad;\n\t\t}\n\t\tif (tif->tif_header.big.tiff_unused != 0)\n\t\t{\n\t\t\tTIFFErrorExt(tif->tif_clientdata, name,\n\t\t\t "Not a TIFF file, bad BigTIFF unused %d (0x%x)",\n\t\t\t tif->tif_header.big.tiff_unused,\n\t\t\t tif->tif_header.big.tiff_unused);\n\t\t\tgoto bad;\n\t\t}\n\t\ttif->tif_header_size = sizeof(TIFFHeaderBig);\n\t\ttif->tif_flags |= TIFF_BIGTIFF;\n\t}\n\ttif->tif_flags |= TIFF_MYBUFFER;\n\ttif->tif_rawcp = tif->tif_rawdata = 0;\n\ttif->tif_rawdatasize = 0;\n tif->tif_rawdataoff = 0;\n tif->tif_rawdataloaded = 0;\n\tswitch (mode[0]) {\n\t\tcase \'r\':\n\t\t\tif (!(tif->tif_flags&TIFF_BIGTIFF))\n\t\t\t\ttif->tif_nextdiroff = tif->tif_header.classic.tiff_diroff;\n\t\t\telse\n\t\t\t\ttif->tif_nextdiroff = tif->tif_header.big.tiff_diroff;\n\t\t\tif (tif->tif_flags & TIFF_MAPPED)\n\t\t\t{\n\t\t\t\ttoff_t n;\n\t\t\t\tif (TIFFMapFileContents(tif,(void**)(&tif->tif_base),&n))\n\t\t\t\t{\n\t\t\t\t\ttif->tif_size=(tmsize_t)n;\n\t\t\t\t\tassert((toff_t)tif->tif_size==n);\n\t\t\t\t}\n\t\t\t\telse\n\t\t\t\t\ttif->tif_flags &= ~TIFF_MAPPED;\n\t\t\t}\n\t\t\tif (tif->tif_flags & TIFF_HEADERONLY)\n\t\t\t\treturn (tif);\n\t\t\tif (TIFFReadDirectory(tif)) {\n\t\t\t\ttif->tif_rawcc = (tmsize_t)-1;\n\t\t\t\ttif->tif_flags |= TIFF_BUFFERSETUP;\n\t\t\t\treturn (tif);\n\t\t\t}\n\t\t\tbreak;\n\t\tcase \'a\':\n\t\t\tif (!TIFFDefaultDirectory(tif))\n\t\t\t\tgoto bad;\n\t\t\treturn (tif);\n\t}\nbad:\n\ttif->tif_mode = O_RDONLY;\n TIFFCleanup(tif);\nbad2:\n\treturn ((TIFF*)0);\n}', 'void\nTIFFCleanup(TIFF* tif)\n{\n\tif (tif->tif_mode != O_RDONLY)\n\t\tTIFFFlush(tif);\n\t(*tif->tif_cleanup)(tif);\n\tTIFFFreeDirectory(tif);\n\tif (tif->tif_dirlist)\n\t\t_TIFFfree(tif->tif_dirlist);\n\twhile( tif->tif_clientinfo )\n\t{\n\t\tTIFFClientInfoLink *psLink = tif->tif_clientinfo;\n\t\ttif->tif_clientinfo = psLink->next;\n\t\t_TIFFfree( psLink->name );\n\t\t_TIFFfree( psLink );\n\t}\n\tif (tif->tif_rawdata && (tif->tif_flags&TIFF_MYBUFFER))\n\t\t_TIFFfree(tif->tif_rawdata);\n\tif (isMapped(tif))\n\t\tTIFFUnmapFileContents(tif, tif->tif_base, (toff_t)tif->tif_size);\n\tif (tif->tif_fields && tif->tif_nfields > 0) {\n\t\tuint32 i;\n\t\tfor (i = 0; i < tif->tif_nfields; i++) {\n\t\t\tTIFFField *fld = tif->tif_fields[i];\n\t\t\tif (fld->field_bit == FIELD_CUSTOM &&\n\t\t\t strncmp("Tag ", fld->field_name, 4) == 0) {\n\t\t\t\t_TIFFfree(fld->field_name);\n\t\t\t\t_TIFFfree(fld);\n\t\t\t}\n\t\t}\n\t\t_TIFFfree(tif->tif_fields);\n\t}\n if (tif->tif_nfieldscompat > 0) {\n uint32 i;\n for (i = 0; i < tif->tif_nfieldscompat; i++) {\n if (tif->tif_fieldscompat[i].allocated_size)\n _TIFFfree(tif->tif_fieldscompat[i].fields);\n }\n _TIFFfree(tif->tif_fieldscompat);\n }\n\t_TIFFfree(tif);\n}', 'int\nTIFFFlush(TIFF* tif)\n{\n if( tif->tif_mode == O_RDONLY )\n return 1;\n if (!TIFFFlushData(tif))\n return (0);\n if( (tif->tif_flags & TIFF_DIRTYSTRIP)\n && !(tif->tif_flags & TIFF_DIRTYDIRECT)\n && tif->tif_mode == O_RDWR )\n {\n if( TIFFForceStrileArrayWriting(tif) )\n return 1;\n }\n if ((tif->tif_flags & (TIFF_DIRTYDIRECT|TIFF_DIRTYSTRIP))\n && !TIFFRewriteDirectory(tif))\n return (0);\n return (1);\n}', 'int TIFFForceStrileArrayWriting(TIFF* tif)\n{\n static const char module[] = "TIFFForceStrileArrayWriting";\n const int isTiled = TIFFIsTiled(tif);\n if (tif->tif_mode == O_RDONLY)\n {\n TIFFErrorExt(tif->tif_clientdata, tif->tif_name,\n "File opened in read-only mode");\n return 0;\n }\n if( tif->tif_diroff == 0 )\n {\n TIFFErrorExt(tif->tif_clientdata, module,\n "Directory has not yet been written");\n return 0;\n }\n if( (tif->tif_flags & TIFF_DIRTYDIRECT) != 0 )\n {\n TIFFErrorExt(tif->tif_clientdata, module,\n "Directory has changes other than the strile arrays. "\n "TIFFRewriteDirectory() should be called instead");\n return 0;\n }\n if( !(tif->tif_flags & TIFF_DIRTYSTRIP) )\n {\n if( !(tif->tif_dir.td_stripoffset_entry.tdir_tag != 0 &&\n tif->tif_dir.td_stripoffset_entry.tdir_count == 0 &&\n tif->tif_dir.td_stripoffset_entry.tdir_type == 0 &&\n tif->tif_dir.td_stripoffset_entry.tdir_offset.toff_long8 == 0 &&\n tif->tif_dir.td_stripbytecount_entry.tdir_tag != 0 &&\n tif->tif_dir.td_stripbytecount_entry.tdir_count == 0 &&\n tif->tif_dir.td_stripbytecount_entry.tdir_type == 0 &&\n tif->tif_dir.td_stripbytecount_entry.tdir_offset.toff_long8 == 0) )\n {\n TIFFErrorExt(tif->tif_clientdata, module,\n "Function not called together with "\n "TIFFDeferStrileArrayWriting()");\n return 0;\n }\n if (tif->tif_dir.td_stripoffset_p == NULL && !TIFFSetupStrips(tif))\n return 0;\n }\n if( _TIFFRewriteField( tif,\n isTiled ? TIFFTAG_TILEOFFSETS :\n TIFFTAG_STRIPOFFSETS,\n TIFF_LONG8,\n tif->tif_dir.td_nstrips,\n tif->tif_dir.td_stripoffset_p )\n && _TIFFRewriteField( tif,\n isTiled ? TIFFTAG_TILEBYTECOUNTS :\n TIFFTAG_STRIPBYTECOUNTS,\n TIFF_LONG8,\n tif->tif_dir.td_nstrips,\n tif->tif_dir.td_stripbytecount_p ) )\n {\n tif->tif_flags &= ~TIFF_DIRTYSTRIP;\n tif->tif_flags &= ~TIFF_BEENWRITING;\n return 1;\n }\n return 0;\n}', 'int\nTIFFSetupStrips(TIFF* tif)\n{\n\tTIFFDirectory* td = &tif->tif_dir;\n\tif (isTiled(tif))\n\t\ttd->td_stripsperimage =\n\t\t isUnspecified(tif, FIELD_TILEDIMENSIONS) ?\n\t\t\ttd->td_samplesperpixel : TIFFNumberOfTiles(tif);\n\telse\n\t\ttd->td_stripsperimage =\n\t\t isUnspecified(tif, FIELD_ROWSPERSTRIP) ?\n\t\t\ttd->td_samplesperpixel : TIFFNumberOfStrips(tif);\n\ttd->td_nstrips = td->td_stripsperimage;\n if( td->td_nstrips >= 0x80000000U / ((tif->tif_flags&TIFF_BIGTIFF)?0x8U:0x4U) )\n {\n TIFFErrorExt(tif->tif_clientdata, "TIFFSetupStrips",\n "Too large Strip/Tile Offsets/ByteCounts arrays");\n return 0;\n }\n\tif (td->td_planarconfig == PLANARCONFIG_SEPARATE)\n\t\ttd->td_stripsperimage /= td->td_samplesperpixel;\n\ttd->td_stripoffset_p = (uint64 *)\n _TIFFCheckMalloc(tif, td->td_nstrips, sizeof (uint64),\n "for \\"StripOffsets\\" array");\n\ttd->td_stripbytecount_p = (uint64 *)\n _TIFFCheckMalloc(tif, td->td_nstrips, sizeof (uint64),\n "for \\"StripByteCounts\\" array");\n\tif (td->td_stripoffset_p == NULL || td->td_stripbytecount_p == NULL)\n\t\treturn (0);\n\t_TIFFmemset(td->td_stripoffset_p, 0, td->td_nstrips*sizeof (uint64));\n\t_TIFFmemset(td->td_stripbytecount_p, 0, td->td_nstrips*sizeof (uint64));\n\tTIFFSetFieldBit(tif, FIELD_STRIPOFFSETS);\n\tTIFFSetFieldBit(tif, FIELD_STRIPBYTECOUNTS);\n\treturn (1);\n}', 'uint32\nTIFFNumberOfStrips(TIFF* tif)\n{\n\tTIFFDirectory *td = &tif->tif_dir;\n\tuint32 nstrips;\n\tnstrips = (td->td_rowsperstrip == (uint32) -1 ? 1 :\n\t TIFFhowmany_32(td->td_imagelength, td->td_rowsperstrip));\n\tif (td->td_planarconfig == PLANARCONFIG_SEPARATE)\n\t\tnstrips = _TIFFMultiply32(tif, nstrips, (uint32)td->td_samplesperpixel,\n\t\t "TIFFNumberOfStrips");\n\treturn (nstrips);\n}'] |
21,020 | 0 | https://github.com/openssl/openssl/blob/e02c519cd32a55e6ad39a0cfbeeda775f9115f28/crypto/bn/bn_sqr.c/#L118 | void bn_sqr_normal(BN_ULONG *r, const BN_ULONG *a, int n, BN_ULONG *tmp)
{
int i, j, max;
const BN_ULONG *ap;
BN_ULONG *rp;
max = n * 2;
ap = a;
rp = r;
rp[0] = rp[max - 1] = 0;
rp++;
j = n;
if (--j > 0) {
ap++;
rp[j] = bn_mul_words(rp, ap, j, ap[-1]);
rp += 2;
}
for (i = n - 2; i > 0; i--) {
j--;
ap++;
rp[j] = bn_mul_add_words(rp, ap, j, ap[-1]);
rp += 2;
}
bn_add_words(r, r, r, max);
bn_sqr_words(tmp, a, n);
bn_add_words(r, r, tmp, max);
} | ['int BN_mod_exp_recp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,\n const BIGNUM *m, BN_CTX *ctx)\n{\n int i, j, bits, ret = 0, wstart, wend, window, wvalue;\n int start = 1;\n BIGNUM *aa;\n BIGNUM *val[TABLE_SIZE];\n BN_RECP_CTX recp;\n if (BN_get_flags(p, BN_FLG_CONSTTIME) != 0\n || BN_get_flags(a, BN_FLG_CONSTTIME) != 0\n || BN_get_flags(m, BN_FLG_CONSTTIME) != 0) {\n BNerr(BN_F_BN_MOD_EXP_RECP, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);\n return 0;\n }\n bits = BN_num_bits(p);\n if (bits == 0) {\n if (BN_abs_is_word(m, 1)) {\n ret = 1;\n BN_zero(r);\n } else {\n ret = BN_one(r);\n }\n return ret;\n }\n BN_CTX_start(ctx);\n aa = BN_CTX_get(ctx);\n val[0] = BN_CTX_get(ctx);\n if (val[0] == NULL)\n goto err;\n BN_RECP_CTX_init(&recp);\n if (m->neg) {\n if (!BN_copy(aa, m))\n goto err;\n aa->neg = 0;\n if (BN_RECP_CTX_set(&recp, aa, ctx) <= 0)\n goto err;\n } else {\n if (BN_RECP_CTX_set(&recp, m, ctx) <= 0)\n goto err;\n }\n if (!BN_nnmod(val[0], a, m, ctx))\n goto err;\n if (BN_is_zero(val[0])) {\n BN_zero(r);\n ret = 1;\n goto err;\n }\n window = BN_window_bits_for_exponent_size(bits);\n if (window > 1) {\n if (!BN_mod_mul_reciprocal(aa, val[0], val[0], &recp, ctx))\n goto err;\n j = 1 << (window - 1);\n for (i = 1; i < j; i++) {\n if (((val[i] = BN_CTX_get(ctx)) == NULL) ||\n !BN_mod_mul_reciprocal(val[i], val[i - 1], aa, &recp, ctx))\n goto err;\n }\n }\n start = 1;\n wvalue = 0;\n wstart = bits - 1;\n wend = 0;\n if (!BN_one(r))\n goto err;\n for (;;) {\n if (BN_is_bit_set(p, wstart) == 0) {\n if (!start)\n if (!BN_mod_mul_reciprocal(r, r, r, &recp, ctx))\n goto err;\n if (wstart == 0)\n break;\n wstart--;\n continue;\n }\n j = wstart;\n wvalue = 1;\n wend = 0;\n for (i = 1; i < window; i++) {\n if (wstart - i < 0)\n break;\n if (BN_is_bit_set(p, wstart - i)) {\n wvalue <<= (i - wend);\n wvalue |= 1;\n wend = i;\n }\n }\n j = wend + 1;\n if (!start)\n for (i = 0; i < j; i++) {\n if (!BN_mod_mul_reciprocal(r, r, r, &recp, ctx))\n goto err;\n }\n if (!BN_mod_mul_reciprocal(r, r, val[wvalue >> 1], &recp, ctx))\n goto err;\n wstart -= wend + 1;\n wvalue = 0;\n start = 0;\n if (wstart < 0)\n break;\n }\n ret = 1;\n err:\n BN_CTX_end(ctx);\n BN_RECP_CTX_free(&recp);\n bn_check_top(r);\n return ret;\n}', 'int BN_mod_mul_reciprocal(BIGNUM *r, const BIGNUM *x, const BIGNUM *y,\n BN_RECP_CTX *recp, BN_CTX *ctx)\n{\n int ret = 0;\n BIGNUM *a;\n const BIGNUM *ca;\n BN_CTX_start(ctx);\n if ((a = BN_CTX_get(ctx)) == NULL)\n goto err;\n if (y != NULL) {\n if (x == y) {\n if (!BN_sqr(a, x, ctx))\n goto err;\n } else {\n if (!BN_mul(a, x, y, ctx))\n goto err;\n }\n ca = a;\n } else\n ca = x;\n ret = BN_div_recp(NULL, r, ca, recp, ctx);\n err:\n BN_CTX_end(ctx);\n bn_check_top(r);\n return ret;\n}', 'int BN_sqr(BIGNUM *r, const BIGNUM *a, BN_CTX *ctx)\n{\n int ret = bn_sqr_fixed_top(r, a, ctx);\n bn_correct_top(r);\n bn_check_top(r);\n return ret;\n}', 'int bn_sqr_fixed_top(BIGNUM *r, const BIGNUM *a, BN_CTX *ctx)\n{\n int max, al;\n int ret = 0;\n BIGNUM *tmp, *rr;\n bn_check_top(a);\n al = a->top;\n if (al <= 0) {\n r->top = 0;\n r->neg = 0;\n return 1;\n }\n BN_CTX_start(ctx);\n rr = (a != r) ? r : BN_CTX_get(ctx);\n tmp = BN_CTX_get(ctx);\n if (rr == NULL || tmp == NULL)\n goto err;\n max = 2 * al;\n if (bn_wexpand(rr, max) == NULL)\n goto err;\n if (al == 4) {\n#ifndef BN_SQR_COMBA\n BN_ULONG t[8];\n bn_sqr_normal(rr->d, a->d, 4, t);\n#else\n bn_sqr_comba4(rr->d, a->d);\n#endif\n } else if (al == 8) {\n#ifndef BN_SQR_COMBA\n BN_ULONG t[16];\n bn_sqr_normal(rr->d, a->d, 8, t);\n#else\n bn_sqr_comba8(rr->d, a->d);\n#endif\n } else {\n#if defined(BN_RECURSION)\n if (al < BN_SQR_RECURSIVE_SIZE_NORMAL) {\n BN_ULONG t[BN_SQR_RECURSIVE_SIZE_NORMAL * 2];\n bn_sqr_normal(rr->d, a->d, al, t);\n } else {\n int j, k;\n j = BN_num_bits_word((BN_ULONG)al);\n j = 1 << (j - 1);\n k = j + j;\n if (al == j) {\n if (bn_wexpand(tmp, k * 2) == NULL)\n goto err;\n bn_sqr_recursive(rr->d, a->d, al, tmp->d);\n } else {\n if (bn_wexpand(tmp, max) == NULL)\n goto err;\n bn_sqr_normal(rr->d, a->d, al, tmp->d);\n }\n }\n#else\n if (bn_wexpand(tmp, max) == NULL)\n goto err;\n bn_sqr_normal(rr->d, a->d, al, tmp->d);\n#endif\n }\n rr->neg = 0;\n rr->top = max;\n rr->flags |= BN_FLG_FIXED_TOP;\n if (r != rr && BN_copy(r, rr) == NULL)\n goto err;\n ret = 1;\n err:\n bn_check_top(rr);\n bn_check_top(tmp);\n BN_CTX_end(ctx);\n return ret;\n}', 'void bn_sqr_normal(BN_ULONG *r, const BN_ULONG *a, int n, BN_ULONG *tmp)\n{\n int i, j, max;\n const BN_ULONG *ap;\n BN_ULONG *rp;\n max = n * 2;\n ap = a;\n rp = r;\n rp[0] = rp[max - 1] = 0;\n rp++;\n j = n;\n if (--j > 0) {\n ap++;\n rp[j] = bn_mul_words(rp, ap, j, ap[-1]);\n rp += 2;\n }\n for (i = n - 2; i > 0; i--) {\n j--;\n ap++;\n rp[j] = bn_mul_add_words(rp, ap, j, ap[-1]);\n rp += 2;\n }\n bn_add_words(r, r, r, max);\n bn_sqr_words(tmp, a, n);\n bn_add_words(r, r, tmp, max);\n}'] |
21,021 | 0 | https://github.com/openssl/openssl/blob/2864df8f9d3264e19b49a246e272fb513f4c1be3/crypto/bn/bn_ctx.c/#L270 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | ['static int file_quotient(STANZA *s)\n{\n BIGNUM *a = NULL, *b = NULL, *quotient = NULL, *remainder = NULL;\n BIGNUM *ret = NULL, *ret2 = NULL, *nnmod = NULL;\n BN_ULONG b_word, ret_word;\n int st = 0;\n if (!TEST_ptr(a = getBN(s, "A"))\n || !TEST_ptr(b = getBN(s, "B"))\n || !TEST_ptr(quotient = getBN(s, "Quotient"))\n || !TEST_ptr(remainder = getBN(s, "Remainder"))\n || !TEST_ptr(ret = BN_new())\n || !TEST_ptr(ret2 = BN_new())\n || !TEST_ptr(nnmod = BN_new()))\n goto err;\n if (!TEST_true(BN_div(ret, ret2, a, b, ctx))\n || !equalBN("A / B", quotient, ret)\n || !equalBN("A % B", remainder, ret2)\n || !TEST_true(BN_mul(ret, quotient, b, ctx))\n || !TEST_true(BN_add(ret, ret, remainder))\n || !equalBN("Quotient * B + Remainder", a, ret))\n goto err;\n b_word = BN_get_word(b);\n if (!BN_is_negative(b) && b_word != (BN_ULONG)-1) {\n BN_ULONG remainder_word = BN_get_word(remainder);\n assert(remainder_word != (BN_ULONG)-1);\n if (!TEST_ptr(BN_copy(ret, a)))\n goto err;\n ret_word = BN_div_word(ret, b_word);\n if (ret_word != remainder_word) {\n#ifdef BN_DEC_FMT1\n TEST_error(\n "Got A %% B (word) = " BN_DEC_FMT1 ", wanted " BN_DEC_FMT1,\n ret_word, remainder_word);\n#else\n TEST_error("Got A %% B (word) mismatch");\n#endif\n goto err;\n }\n if (!equalBN ("A / B (word)", quotient, ret))\n goto err;\n ret_word = BN_mod_word(a, b_word);\n if (ret_word != remainder_word) {\n#ifdef BN_DEC_FMT1\n TEST_error(\n "Got A %% B (word) = " BN_DEC_FMT1 ", wanted " BN_DEC_FMT1 "",\n ret_word, remainder_word);\n#else\n TEST_error("Got A %% B (word) mismatch");\n#endif\n goto err;\n }\n }\n if (!BN_is_negative(b)) {\n if (!TEST_true(BN_copy(nnmod, remainder))\n || (BN_is_negative(nnmod)\n && !TEST_true(BN_add(nnmod, nnmod, b)))\n || !TEST_true(BN_nnmod(ret, a, b, ctx))\n || !equalBN("A % B (non-negative)", nnmod, ret))\n goto err;\n }\n st = 1;\n err:\n BN_free(a);\n BN_free(b);\n BN_free(quotient);\n BN_free(remainder);\n BN_free(ret);\n BN_free(ret2);\n BN_free(nnmod);\n return st;\n}', 'int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,\n BN_CTX *ctx)\n{\n int ret;\n if (BN_is_zero(divisor)) {\n BNerr(BN_F_BN_DIV, BN_R_DIV_BY_ZERO);\n return 0;\n }\n if (divisor->d[divisor->top - 1] == 0) {\n BNerr(BN_F_BN_DIV, BN_R_NOT_INITIALIZED);\n return 0;\n }\n ret = bn_div_fixed_top(dv, rm, num, divisor, ctx);\n if (ret) {\n if (dv != NULL)\n bn_correct_top(dv);\n if (rm != NULL)\n bn_correct_top(rm);\n }\n return ret;\n}', 'int bn_div_fixed_top(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num,\n const BIGNUM *divisor, BN_CTX *ctx)\n{\n int norm_shift, i, j, loop;\n BIGNUM *tmp, *snum, *sdiv, *res;\n BN_ULONG *resp, *wnum, *wnumtop;\n BN_ULONG d0, d1;\n int num_n, div_n;\n assert(divisor->top > 0 && divisor->d[divisor->top - 1] != 0);\n bn_check_top(num);\n bn_check_top(divisor);\n bn_check_top(dv);\n bn_check_top(rm);\n BN_CTX_start(ctx);\n res = (dv == NULL) ? BN_CTX_get(ctx) : dv;\n tmp = BN_CTX_get(ctx);\n snum = BN_CTX_get(ctx);\n sdiv = BN_CTX_get(ctx);\n if (sdiv == NULL)\n goto err;\n if (!BN_copy(sdiv, divisor))\n goto err;\n norm_shift = bn_left_align(sdiv);\n sdiv->neg = 0;\n if (!(bn_lshift_fixed_top(snum, num, norm_shift)))\n goto err;\n div_n = sdiv->top;\n num_n = snum->top;\n if (num_n <= div_n) {\n if (bn_wexpand(snum, div_n + 1) == NULL)\n goto err;\n memset(&(snum->d[num_n]), 0, (div_n - num_n + 1) * sizeof(BN_ULONG));\n snum->top = num_n = div_n + 1;\n }\n loop = num_n - div_n;\n wnum = &(snum->d[loop]);\n wnumtop = &(snum->d[num_n - 1]);\n d0 = sdiv->d[div_n - 1];\n d1 = (div_n == 1) ? 0 : sdiv->d[div_n - 2];\n if (!bn_wexpand(res, loop))\n goto err;\n res->neg = (num->neg ^ divisor->neg);\n res->top = loop;\n res->flags |= BN_FLG_FIXED_TOP;\n resp = &(res->d[loop]);\n if (!bn_wexpand(tmp, (div_n + 1)))\n goto err;\n for (i = 0; i < loop; i++, wnumtop--) {\n BN_ULONG q, l0;\n# if defined(BN_DIV3W)\n q = bn_div_3_words(wnumtop, d1, d0);\n# else\n BN_ULONG n0, n1, rem = 0;\n n0 = wnumtop[0];\n n1 = wnumtop[-1];\n if (n0 == d0)\n q = BN_MASK2;\n else {\n BN_ULONG n2 = (wnumtop == wnum) ? 0 : wnumtop[-2];\n# ifdef BN_LLONG\n BN_ULLONG t2;\n# if defined(BN_LLONG) && defined(BN_DIV2W) && !defined(bn_div_words)\n q = (BN_ULONG)(((((BN_ULLONG) n0) << BN_BITS2) | n1) / d0);\n# else\n q = bn_div_words(n0, n1, d0);\n# endif\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n t2 = (BN_ULLONG) d1 *q;\n for (;;) {\n if (t2 <= ((((BN_ULLONG) rem) << BN_BITS2) | n2))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n t2 -= d1;\n }\n# else\n BN_ULONG t2l, t2h;\n q = bn_div_words(n0, n1, d0);\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n# if defined(BN_UMULT_LOHI)\n BN_UMULT_LOHI(t2l, t2h, d1, q);\n# elif defined(BN_UMULT_HIGH)\n t2l = d1 * q;\n t2h = BN_UMULT_HIGH(d1, q);\n# else\n {\n BN_ULONG ql, qh;\n t2l = LBITS(d1);\n t2h = HBITS(d1);\n ql = LBITS(q);\n qh = HBITS(q);\n mul64(t2l, t2h, ql, qh);\n }\n# endif\n for (;;) {\n if ((t2h < rem) || ((t2h == rem) && (t2l <= n2)))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n if (t2l < d1)\n t2h--;\n t2l -= d1;\n }\n# endif\n }\n# endif\n l0 = bn_mul_words(tmp->d, sdiv->d, div_n, q);\n tmp->d[div_n] = l0;\n wnum--;\n l0 = bn_sub_words(wnum, wnum, tmp->d, div_n + 1);\n q -= l0;\n for (l0 = 0 - l0, j = 0; j < div_n; j++)\n tmp->d[j] = sdiv->d[j] & l0;\n l0 = bn_add_words(wnum, wnum, tmp->d, div_n);\n (*wnumtop) += l0;\n assert((*wnumtop) == 0);\n *--resp = q;\n }\n snum->neg = num->neg;\n snum->top = div_n;\n snum->flags |= BN_FLG_FIXED_TOP;\n if (rm != NULL)\n bn_rshift_fixed_top(rm, snum, norm_shift);\n BN_CTX_end(ctx);\n return 1;\n err:\n bn_check_top(rm);\n BN_CTX_end(ctx);\n return 0;\n}', 'void BN_CTX_start(BN_CTX *ctx)\n{\n CTXDBG("ENTER BN_CTX_start()", ctx);\n if (ctx->err_stack || ctx->too_many)\n ctx->err_stack++;\n else if (!BN_STACK_push(&ctx->stack, ctx->used)) {\n BNerr(BN_F_BN_CTX_START, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n ctx->err_stack++;\n }\n CTXDBG("LEAVE BN_CTX_start()", ctx);\n}', 'void BN_CTX_end(BN_CTX *ctx)\n{\n if (ctx == NULL)\n return;\n CTXDBG("ENTER BN_CTX_end()", ctx);\n if (ctx->err_stack)\n ctx->err_stack--;\n else {\n unsigned int fp = BN_STACK_pop(&ctx->stack);\n if (fp < ctx->used)\n BN_POOL_release(&ctx->pool, ctx->used - fp);\n ctx->used = fp;\n ctx->too_many = 0;\n }\n CTXDBG("LEAVE BN_CTX_end()", ctx);\n}', 'static unsigned int BN_STACK_pop(BN_STACK *st)\n{\n return st->indexes[--(st->depth)];\n}'] |
21,022 | 0 | https://github.com/openssl/openssl/blob/f345b1f39d9b4e4c9ef07e7522e9b2a870c9ca09/crypto/bn/bn_sqr.c/#L120 | void bn_sqr_normal(BN_ULONG *r, const BN_ULONG *a, int n, BN_ULONG *tmp)
{
int i, j, max;
const BN_ULONG *ap;
BN_ULONG *rp;
max = n * 2;
ap = a;
rp = r;
rp[0] = rp[max - 1] = 0;
rp++;
j = n;
if (--j > 0) {
ap++;
rp[j] = bn_mul_words(rp, ap, j, ap[-1]);
rp += 2;
}
for (i = n - 2; i > 0; i--) {
j--;
ap++;
rp[j] = bn_mul_add_words(rp, ap, j, ap[-1]);
rp += 2;
}
bn_add_words(r, r, r, max);
bn_sqr_words(tmp, a, n);
bn_add_words(r, r, tmp, max);
} | ['char *SRP_create_verifier(const char *user, const char *pass, char **salt,\n char **verifier, const char *N, const char *g)\n{\n int len;\n char *result = NULL, *vf = NULL;\n const BIGNUM *N_bn = NULL, *g_bn = NULL;\n BIGNUM *N_bn_alloc = NULL, *g_bn_alloc = NULL, *s = NULL, *v = NULL;\n unsigned char tmp[MAX_LEN];\n unsigned char tmp2[MAX_LEN];\n char *defgNid = NULL;\n int vfsize = 0;\n if ((user == NULL) ||\n (pass == NULL) || (salt == NULL) || (verifier == NULL))\n goto err;\n if (N) {\n if ((len = t_fromb64(tmp, sizeof(tmp), N)) <= 0)\n goto err;\n N_bn_alloc = BN_bin2bn(tmp, len, NULL);\n N_bn = N_bn_alloc;\n if ((len = t_fromb64(tmp, sizeof(tmp) ,g)) <= 0)\n goto err;\n g_bn_alloc = BN_bin2bn(tmp, len, NULL);\n g_bn = g_bn_alloc;\n defgNid = "*";\n } else {\n SRP_gN *gN = SRP_get_gN_by_id(g, NULL);\n if (gN == NULL)\n goto err;\n N_bn = gN->N;\n g_bn = gN->g;\n defgNid = gN->id;\n }\n if (*salt == NULL) {\n if (RAND_bytes(tmp2, SRP_RANDOM_SALT_LEN) <= 0)\n goto err;\n s = BN_bin2bn(tmp2, SRP_RANDOM_SALT_LEN, NULL);\n } else {\n if ((len = t_fromb64(tmp2, sizeof(tmp2), *salt)) <= 0)\n goto err;\n s = BN_bin2bn(tmp2, len, NULL);\n }\n if (!SRP_create_verifier_BN(user, pass, &s, &v, N_bn, g_bn))\n goto err;\n BN_bn2bin(v, tmp);\n vfsize = BN_num_bytes(v) * 2;\n if (((vf = OPENSSL_malloc(vfsize)) == NULL))\n goto err;\n t_tob64(vf, tmp, BN_num_bytes(v));\n if (*salt == NULL) {\n char *tmp_salt;\n if ((tmp_salt = OPENSSL_malloc(SRP_RANDOM_SALT_LEN * 2)) == NULL) {\n goto err;\n }\n t_tob64(tmp_salt, tmp2, SRP_RANDOM_SALT_LEN);\n *salt = tmp_salt;\n }\n *verifier = vf;\n vf = NULL;\n result = defgNid;\n err:\n BN_free(N_bn_alloc);\n BN_free(g_bn_alloc);\n OPENSSL_clear_free(vf, vfsize);\n BN_clear_free(s);\n BN_clear_free(v);\n return result;\n}', 'BIGNUM *BN_bin2bn(const unsigned char *s, int len, BIGNUM *ret)\n{\n unsigned int i, m;\n unsigned int n;\n BN_ULONG l;\n BIGNUM *bn = NULL;\n if (ret == NULL)\n ret = bn = BN_new();\n if (ret == NULL)\n return NULL;\n bn_check_top(ret);\n for ( ; len > 0 && *s == 0; s++, len--)\n continue;\n n = len;\n if (n == 0) {\n ret->top = 0;\n return ret;\n }\n i = ((n - 1) / BN_BYTES) + 1;\n m = ((n - 1) % (BN_BYTES));\n if (bn_wexpand(ret, (int)i) == NULL) {\n BN_free(bn);\n return NULL;\n }\n ret->top = i;\n ret->neg = 0;\n l = 0;\n while (n--) {\n l = (l << 8L) | *(s++);\n if (m-- == 0) {\n ret->d[--i] = l;\n l = 0;\n m = BN_BYTES - 1;\n }\n }\n bn_correct_top(ret);\n return ret;\n}', 'int SRP_create_verifier_BN(const char *user, const char *pass, BIGNUM **salt,\n BIGNUM **verifier, const BIGNUM *N,\n const BIGNUM *g)\n{\n int result = 0;\n BIGNUM *x = NULL;\n BN_CTX *bn_ctx = BN_CTX_new();\n unsigned char tmp2[MAX_LEN];\n BIGNUM *salttmp = NULL;\n if ((user == NULL) ||\n (pass == NULL) ||\n (salt == NULL) ||\n (verifier == NULL) || (N == NULL) || (g == NULL) || (bn_ctx == NULL))\n goto err;\n if (*salt == NULL) {\n if (RAND_bytes(tmp2, SRP_RANDOM_SALT_LEN) <= 0)\n goto err;\n salttmp = BN_bin2bn(tmp2, SRP_RANDOM_SALT_LEN, NULL);\n } else {\n salttmp = *salt;\n }\n x = SRP_Calc_x(salttmp, user, pass);\n *verifier = BN_new();\n if (*verifier == NULL)\n goto err;\n if (!BN_mod_exp(*verifier, g, x, N, bn_ctx)) {\n BN_clear_free(*verifier);\n goto err;\n }\n result = 1;\n *salt = salttmp;\n err:\n if (salt != NULL && *salt != salttmp)\n BN_clear_free(salttmp);\n BN_clear_free(x);\n BN_CTX_free(bn_ctx);\n return result;\n}', 'int BN_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, const BIGNUM *m,\n BN_CTX *ctx)\n{\n int ret;\n bn_check_top(a);\n bn_check_top(p);\n bn_check_top(m);\n#define MONT_MUL_MOD\n#define MONT_EXP_WORD\n#define RECP_MUL_MOD\n#ifdef MONT_MUL_MOD\n if (BN_is_odd(m)) {\n# ifdef MONT_EXP_WORD\n if (a->top == 1 && !a->neg\n && (BN_get_flags(p, BN_FLG_CONSTTIME) == 0)\n && (BN_get_flags(a, BN_FLG_CONSTTIME) == 0)\n && (BN_get_flags(m, BN_FLG_CONSTTIME) == 0)) {\n BN_ULONG A = a->d[0];\n ret = BN_mod_exp_mont_word(r, A, p, m, ctx, NULL);\n } else\n# endif\n ret = BN_mod_exp_mont(r, a, p, m, ctx, NULL);\n } else\n#endif\n#ifdef RECP_MUL_MOD\n {\n ret = BN_mod_exp_recp(r, a, p, m, ctx);\n }\n#else\n {\n ret = BN_mod_exp_simple(r, a, p, m, ctx);\n }\n#endif\n bn_check_top(r);\n return ret;\n}', 'int BN_mod_exp_mont(BIGNUM *rr, const BIGNUM *a, const BIGNUM *p,\n const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont)\n{\n int i, j, bits, ret = 0, wstart, wend, window, wvalue;\n int start = 1;\n BIGNUM *d, *r;\n const BIGNUM *aa;\n BIGNUM *val[TABLE_SIZE];\n BN_MONT_CTX *mont = NULL;\n if (BN_get_flags(p, BN_FLG_CONSTTIME) != 0\n || BN_get_flags(a, BN_FLG_CONSTTIME) != 0\n || BN_get_flags(m, BN_FLG_CONSTTIME) != 0) {\n return BN_mod_exp_mont_consttime(rr, a, p, m, ctx, in_mont);\n }\n bn_check_top(a);\n bn_check_top(p);\n bn_check_top(m);\n if (!BN_is_odd(m)) {\n BNerr(BN_F_BN_MOD_EXP_MONT, BN_R_CALLED_WITH_EVEN_MODULUS);\n return 0;\n }\n bits = BN_num_bits(p);\n if (bits == 0) {\n if (BN_is_one(m)) {\n ret = 1;\n BN_zero(rr);\n } else {\n ret = BN_one(rr);\n }\n return ret;\n }\n BN_CTX_start(ctx);\n d = BN_CTX_get(ctx);\n r = BN_CTX_get(ctx);\n val[0] = BN_CTX_get(ctx);\n if (val[0] == NULL)\n goto err;\n if (in_mont != NULL)\n mont = in_mont;\n else {\n if ((mont = BN_MONT_CTX_new()) == NULL)\n goto err;\n if (!BN_MONT_CTX_set(mont, m, ctx))\n goto err;\n }\n if (a->neg || BN_ucmp(a, m) >= 0) {\n if (!BN_nnmod(val[0], a, m, ctx))\n goto err;\n aa = val[0];\n } else\n aa = a;\n if (BN_is_zero(aa)) {\n BN_zero(rr);\n ret = 1;\n goto err;\n }\n if (!BN_to_montgomery(val[0], aa, mont, ctx))\n goto err;\n window = BN_window_bits_for_exponent_size(bits);\n if (window > 1) {\n if (!BN_mod_mul_montgomery(d, val[0], val[0], mont, ctx))\n goto err;\n j = 1 << (window - 1);\n for (i = 1; i < j; i++) {\n if (((val[i] = BN_CTX_get(ctx)) == NULL) ||\n !BN_mod_mul_montgomery(val[i], val[i - 1], d, mont, ctx))\n goto err;\n }\n }\n start = 1;\n wvalue = 0;\n wstart = bits - 1;\n wend = 0;\n#if 1\n j = m->top;\n if (m->d[j - 1] & (((BN_ULONG)1) << (BN_BITS2 - 1))) {\n if (bn_wexpand(r, j) == NULL)\n goto err;\n r->d[0] = (0 - m->d[0]) & BN_MASK2;\n for (i = 1; i < j; i++)\n r->d[i] = (~m->d[i]) & BN_MASK2;\n r->top = j;\n bn_correct_top(r);\n } else\n#endif\n if (!BN_to_montgomery(r, BN_value_one(), mont, ctx))\n goto err;\n for (;;) {\n if (BN_is_bit_set(p, wstart) == 0) {\n if (!start) {\n if (!BN_mod_mul_montgomery(r, r, r, mont, ctx))\n goto err;\n }\n if (wstart == 0)\n break;\n wstart--;\n continue;\n }\n j = wstart;\n wvalue = 1;\n wend = 0;\n for (i = 1; i < window; i++) {\n if (wstart - i < 0)\n break;\n if (BN_is_bit_set(p, wstart - i)) {\n wvalue <<= (i - wend);\n wvalue |= 1;\n wend = i;\n }\n }\n j = wend + 1;\n if (!start)\n for (i = 0; i < j; i++) {\n if (!BN_mod_mul_montgomery(r, r, r, mont, ctx))\n goto err;\n }\n if (!BN_mod_mul_montgomery(r, r, val[wvalue >> 1], mont, ctx))\n goto err;\n wstart -= wend + 1;\n wvalue = 0;\n start = 0;\n if (wstart < 0)\n break;\n }\n#if defined(SPARC_T4_MONT)\n if (OPENSSL_sparcv9cap_P[0] & (SPARCV9_VIS3 | SPARCV9_PREFER_FPU)) {\n j = mont->N.top;\n val[0]->d[0] = 1;\n for (i = 1; i < j; i++)\n val[0]->d[i] = 0;\n val[0]->top = j;\n if (!BN_mod_mul_montgomery(rr, r, val[0], mont, ctx))\n goto err;\n } else\n#endif\n if (!BN_from_montgomery(rr, r, mont, ctx))\n goto err;\n ret = 1;\n err:\n if (in_mont == NULL)\n BN_MONT_CTX_free(mont);\n BN_CTX_end(ctx);\n bn_check_top(rr);\n return ret;\n}', 'int BN_mod_exp_mont_consttime(BIGNUM *rr, const BIGNUM *a, const BIGNUM *p,\n const BIGNUM *m, BN_CTX *ctx,\n BN_MONT_CTX *in_mont)\n{\n int i, bits, ret = 0, window, wvalue;\n int top;\n BN_MONT_CTX *mont = NULL;\n int numPowers;\n unsigned char *powerbufFree = NULL;\n int powerbufLen = 0;\n unsigned char *powerbuf = NULL;\n BIGNUM tmp, am;\n#if defined(SPARC_T4_MONT)\n unsigned int t4 = 0;\n#endif\n bn_check_top(a);\n bn_check_top(p);\n bn_check_top(m);\n if (!BN_is_odd(m)) {\n BNerr(BN_F_BN_MOD_EXP_MONT_CONSTTIME, BN_R_CALLED_WITH_EVEN_MODULUS);\n return 0;\n }\n top = m->top;\n bits = p->top * BN_BITS2;\n if (bits == 0) {\n if (BN_is_one(m)) {\n ret = 1;\n BN_zero(rr);\n } else {\n ret = BN_one(rr);\n }\n return ret;\n }\n BN_CTX_start(ctx);\n if (in_mont != NULL)\n mont = in_mont;\n else {\n if ((mont = BN_MONT_CTX_new()) == NULL)\n goto err;\n if (!BN_MONT_CTX_set(mont, m, ctx))\n goto err;\n }\n#ifdef RSAZ_ENABLED\n if (!a->neg) {\n if ((16 == a->top) && (16 == p->top) && (BN_num_bits(m) == 1024)\n && rsaz_avx2_eligible()) {\n if (NULL == bn_wexpand(rr, 16))\n goto err;\n RSAZ_1024_mod_exp_avx2(rr->d, a->d, p->d, m->d, mont->RR.d,\n mont->n0[0]);\n rr->top = 16;\n rr->neg = 0;\n bn_correct_top(rr);\n ret = 1;\n goto err;\n } else if ((8 == a->top) && (8 == p->top) && (BN_num_bits(m) == 512)) {\n if (NULL == bn_wexpand(rr, 8))\n goto err;\n RSAZ_512_mod_exp(rr->d, a->d, p->d, m->d, mont->n0[0], mont->RR.d);\n rr->top = 8;\n rr->neg = 0;\n bn_correct_top(rr);\n ret = 1;\n goto err;\n }\n }\n#endif\n window = BN_window_bits_for_ctime_exponent_size(bits);\n#if defined(SPARC_T4_MONT)\n if (window >= 5 && (top & 15) == 0 && top <= 64 &&\n (OPENSSL_sparcv9cap_P[1] & (CFR_MONTMUL | CFR_MONTSQR)) ==\n (CFR_MONTMUL | CFR_MONTSQR) && (t4 = OPENSSL_sparcv9cap_P[0]))\n window = 5;\n else\n#endif\n#if defined(OPENSSL_BN_ASM_MONT5)\n if (window >= 5) {\n window = 5;\n powerbufLen += top * sizeof(mont->N.d[0]);\n }\n#endif\n (void)0;\n numPowers = 1 << window;\n powerbufLen += sizeof(m->d[0]) * (top * numPowers +\n ((2 * top) >\n numPowers ? (2 * top) : numPowers));\n#ifdef alloca\n if (powerbufLen < 3072)\n powerbufFree =\n alloca(powerbufLen + MOD_EXP_CTIME_MIN_CACHE_LINE_WIDTH);\n else\n#endif\n if ((powerbufFree =\n OPENSSL_malloc(powerbufLen + MOD_EXP_CTIME_MIN_CACHE_LINE_WIDTH))\n == NULL)\n goto err;\n powerbuf = MOD_EXP_CTIME_ALIGN(powerbufFree);\n memset(powerbuf, 0, powerbufLen);\n#ifdef alloca\n if (powerbufLen < 3072)\n powerbufFree = NULL;\n#endif\n tmp.d = (BN_ULONG *)(powerbuf + sizeof(m->d[0]) * top * numPowers);\n am.d = tmp.d + top;\n tmp.top = am.top = 0;\n tmp.dmax = am.dmax = top;\n tmp.neg = am.neg = 0;\n tmp.flags = am.flags = BN_FLG_STATIC_DATA;\n#if 1\n if (m->d[top - 1] & (((BN_ULONG)1) << (BN_BITS2 - 1))) {\n tmp.d[0] = (0 - m->d[0]) & BN_MASK2;\n for (i = 1; i < top; i++)\n tmp.d[i] = (~m->d[i]) & BN_MASK2;\n tmp.top = top;\n } else\n#endif\n if (!BN_to_montgomery(&tmp, BN_value_one(), mont, ctx))\n goto err;\n if (a->neg || BN_ucmp(a, m) >= 0) {\n if (!BN_nnmod(&am, a, m, ctx))\n goto err;\n if (!BN_to_montgomery(&am, &am, mont, ctx))\n goto err;\n } else if (!BN_to_montgomery(&am, a, mont, ctx))\n goto err;\n#if defined(SPARC_T4_MONT)\n if (t4) {\n typedef int (*bn_pwr5_mont_f) (BN_ULONG *tp, const BN_ULONG *np,\n const BN_ULONG *n0, const void *table,\n int power, int bits);\n int bn_pwr5_mont_t4_8(BN_ULONG *tp, const BN_ULONG *np,\n const BN_ULONG *n0, const void *table,\n int power, int bits);\n int bn_pwr5_mont_t4_16(BN_ULONG *tp, const BN_ULONG *np,\n const BN_ULONG *n0, const void *table,\n int power, int bits);\n int bn_pwr5_mont_t4_24(BN_ULONG *tp, const BN_ULONG *np,\n const BN_ULONG *n0, const void *table,\n int power, int bits);\n int bn_pwr5_mont_t4_32(BN_ULONG *tp, const BN_ULONG *np,\n const BN_ULONG *n0, const void *table,\n int power, int bits);\n static const bn_pwr5_mont_f pwr5_funcs[4] = {\n bn_pwr5_mont_t4_8, bn_pwr5_mont_t4_16,\n bn_pwr5_mont_t4_24, bn_pwr5_mont_t4_32\n };\n bn_pwr5_mont_f pwr5_worker = pwr5_funcs[top / 16 - 1];\n typedef int (*bn_mul_mont_f) (BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0);\n int bn_mul_mont_t4_8(BN_ULONG *rp, const BN_ULONG *ap, const void *bp,\n const BN_ULONG *np, const BN_ULONG *n0);\n int bn_mul_mont_t4_16(BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0);\n int bn_mul_mont_t4_24(BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0);\n int bn_mul_mont_t4_32(BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0);\n static const bn_mul_mont_f mul_funcs[4] = {\n bn_mul_mont_t4_8, bn_mul_mont_t4_16,\n bn_mul_mont_t4_24, bn_mul_mont_t4_32\n };\n bn_mul_mont_f mul_worker = mul_funcs[top / 16 - 1];\n void bn_mul_mont_vis3(BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0, int num);\n void bn_mul_mont_t4(BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0, int num);\n void bn_mul_mont_gather5_t4(BN_ULONG *rp, const BN_ULONG *ap,\n const void *table, const BN_ULONG *np,\n const BN_ULONG *n0, int num, int power);\n void bn_flip_n_scatter5_t4(const BN_ULONG *inp, size_t num,\n void *table, size_t power);\n void bn_gather5_t4(BN_ULONG *out, size_t num,\n void *table, size_t power);\n void bn_flip_t4(BN_ULONG *dst, BN_ULONG *src, size_t num);\n BN_ULONG *np = mont->N.d, *n0 = mont->n0;\n int stride = 5 * (6 - (top / 16 - 1));\n for (i = am.top; i < top; i++)\n am.d[i] = 0;\n for (i = tmp.top; i < top; i++)\n tmp.d[i] = 0;\n bn_flip_n_scatter5_t4(tmp.d, top, powerbuf, 0);\n bn_flip_n_scatter5_t4(am.d, top, powerbuf, 1);\n if (!(*mul_worker) (tmp.d, am.d, am.d, np, n0) &&\n !(*mul_worker) (tmp.d, am.d, am.d, np, n0))\n bn_mul_mont_vis3(tmp.d, am.d, am.d, np, n0, top);\n bn_flip_n_scatter5_t4(tmp.d, top, powerbuf, 2);\n for (i = 3; i < 32; i++) {\n if (!(*mul_worker) (tmp.d, tmp.d, am.d, np, n0) &&\n !(*mul_worker) (tmp.d, tmp.d, am.d, np, n0))\n bn_mul_mont_vis3(tmp.d, tmp.d, am.d, np, n0, top);\n bn_flip_n_scatter5_t4(tmp.d, top, powerbuf, i);\n }\n np = alloca(top * sizeof(BN_ULONG));\n top /= 2;\n bn_flip_t4(np, mont->N.d, top);\n bits--;\n for (wvalue = 0, i = bits % 5; i >= 0; i--, bits--)\n wvalue = (wvalue << 1) + BN_is_bit_set(p, bits);\n bn_gather5_t4(tmp.d, top, powerbuf, wvalue);\n while (bits >= 0) {\n if (bits < stride)\n stride = bits + 1;\n bits -= stride;\n wvalue = bn_get_bits(p, bits + 1);\n if ((*pwr5_worker) (tmp.d, np, n0, powerbuf, wvalue, stride))\n continue;\n if ((*pwr5_worker) (tmp.d, np, n0, powerbuf, wvalue, stride))\n continue;\n bits += stride - 5;\n wvalue >>= stride - 5;\n wvalue &= 31;\n bn_mul_mont_t4(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_t4(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_t4(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_t4(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_t4(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_gather5_t4(tmp.d, tmp.d, powerbuf, np, n0, top,\n wvalue);\n }\n bn_flip_t4(tmp.d, tmp.d, top);\n top *= 2;\n tmp.top = top;\n bn_correct_top(&tmp);\n OPENSSL_cleanse(np, top * sizeof(BN_ULONG));\n } else\n#endif\n#if defined(OPENSSL_BN_ASM_MONT5)\n if (window == 5 && top > 1) {\n void bn_mul_mont_gather5(BN_ULONG *rp, const BN_ULONG *ap,\n const void *table, const BN_ULONG *np,\n const BN_ULONG *n0, int num, int power);\n void bn_scatter5(const BN_ULONG *inp, size_t num,\n void *table, size_t power);\n void bn_gather5(BN_ULONG *out, size_t num, void *table, size_t power);\n void bn_power5(BN_ULONG *rp, const BN_ULONG *ap,\n const void *table, const BN_ULONG *np,\n const BN_ULONG *n0, int num, int power);\n int bn_get_bits5(const BN_ULONG *ap, int off);\n int bn_from_montgomery(BN_ULONG *rp, const BN_ULONG *ap,\n const BN_ULONG *not_used, const BN_ULONG *np,\n const BN_ULONG *n0, int num);\n BN_ULONG *n0 = mont->n0, *np;\n for (i = am.top; i < top; i++)\n am.d[i] = 0;\n for (i = tmp.top; i < top; i++)\n tmp.d[i] = 0;\n for (np = am.d + top, i = 0; i < top; i++)\n np[i] = mont->N.d[i];\n bn_scatter5(tmp.d, top, powerbuf, 0);\n bn_scatter5(am.d, am.top, powerbuf, 1);\n bn_mul_mont(tmp.d, am.d, am.d, np, n0, top);\n bn_scatter5(tmp.d, top, powerbuf, 2);\n# if 0\n for (i = 3; i < 32; i++) {\n bn_mul_mont_gather5(tmp.d, am.d, powerbuf, np, n0, top, i - 1);\n bn_scatter5(tmp.d, top, powerbuf, i);\n }\n# else\n for (i = 4; i < 32; i *= 2) {\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_scatter5(tmp.d, top, powerbuf, i);\n }\n for (i = 3; i < 8; i += 2) {\n int j;\n bn_mul_mont_gather5(tmp.d, am.d, powerbuf, np, n0, top, i - 1);\n bn_scatter5(tmp.d, top, powerbuf, i);\n for (j = 2 * i; j < 32; j *= 2) {\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_scatter5(tmp.d, top, powerbuf, j);\n }\n }\n for (; i < 16; i += 2) {\n bn_mul_mont_gather5(tmp.d, am.d, powerbuf, np, n0, top, i - 1);\n bn_scatter5(tmp.d, top, powerbuf, i);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_scatter5(tmp.d, top, powerbuf, 2 * i);\n }\n for (; i < 32; i += 2) {\n bn_mul_mont_gather5(tmp.d, am.d, powerbuf, np, n0, top, i - 1);\n bn_scatter5(tmp.d, top, powerbuf, i);\n }\n# endif\n bits--;\n for (wvalue = 0, i = bits % 5; i >= 0; i--, bits--)\n wvalue = (wvalue << 1) + BN_is_bit_set(p, bits);\n bn_gather5(tmp.d, top, powerbuf, wvalue);\n if (top & 7)\n while (bits >= 0) {\n for (wvalue = 0, i = 0; i < 5; i++, bits--)\n wvalue = (wvalue << 1) + BN_is_bit_set(p, bits);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_gather5(tmp.d, tmp.d, powerbuf, np, n0, top,\n wvalue);\n } else {\n while (bits >= 0) {\n wvalue = bn_get_bits5(p->d, bits - 4);\n bits -= 5;\n bn_power5(tmp.d, tmp.d, powerbuf, np, n0, top, wvalue);\n }\n }\n ret = bn_from_montgomery(tmp.d, tmp.d, NULL, np, n0, top);\n tmp.top = top;\n bn_correct_top(&tmp);\n if (ret) {\n if (!BN_copy(rr, &tmp))\n ret = 0;\n goto err;\n }\n } else\n#endif\n {\n if (!MOD_EXP_CTIME_COPY_TO_PREBUF(&tmp, top, powerbuf, 0, window))\n goto err;\n if (!MOD_EXP_CTIME_COPY_TO_PREBUF(&am, top, powerbuf, 1, window))\n goto err;\n if (window > 1) {\n if (!BN_mod_mul_montgomery(&tmp, &am, &am, mont, ctx))\n goto err;\n if (!MOD_EXP_CTIME_COPY_TO_PREBUF(&tmp, top, powerbuf, 2,\n window))\n goto err;\n for (i = 3; i < numPowers; i++) {\n if (!BN_mod_mul_montgomery(&tmp, &am, &tmp, mont, ctx))\n goto err;\n if (!MOD_EXP_CTIME_COPY_TO_PREBUF(&tmp, top, powerbuf, i,\n window))\n goto err;\n }\n }\n bits--;\n for (wvalue = 0, i = bits % window; i >= 0; i--, bits--)\n wvalue = (wvalue << 1) + BN_is_bit_set(p, bits);\n if (!MOD_EXP_CTIME_COPY_FROM_PREBUF(&tmp, top, powerbuf, wvalue,\n window))\n goto err;\n while (bits >= 0) {\n wvalue = 0;\n for (i = 0; i < window; i++, bits--) {\n if (!BN_mod_mul_montgomery(&tmp, &tmp, &tmp, mont, ctx))\n goto err;\n wvalue = (wvalue << 1) + BN_is_bit_set(p, bits);\n }\n if (!MOD_EXP_CTIME_COPY_FROM_PREBUF(&am, top, powerbuf, wvalue,\n window))\n goto err;\n if (!BN_mod_mul_montgomery(&tmp, &tmp, &am, mont, ctx))\n goto err;\n }\n }\n#if defined(SPARC_T4_MONT)\n if (OPENSSL_sparcv9cap_P[0] & (SPARCV9_VIS3 | SPARCV9_PREFER_FPU)) {\n am.d[0] = 1;\n for (i = 1; i < top; i++)\n am.d[i] = 0;\n if (!BN_mod_mul_montgomery(rr, &tmp, &am, mont, ctx))\n goto err;\n } else\n#endif\n if (!BN_from_montgomery(rr, &tmp, mont, ctx))\n goto err;\n ret = 1;\n err:\n if (in_mont == NULL)\n BN_MONT_CTX_free(mont);\n if (powerbuf != NULL) {\n OPENSSL_cleanse(powerbuf, powerbufLen);\n OPENSSL_free(powerbufFree);\n }\n BN_CTX_end(ctx);\n return ret;\n}', 'int BN_to_montgomery(BIGNUM *r, const BIGNUM *a, BN_MONT_CTX *mont,\n BN_CTX *ctx)\n{\n return BN_mod_mul_montgomery(r, a, &(mont->RR), mont, ctx);\n}', 'int BN_mod_mul_montgomery(BIGNUM *r, const BIGNUM *a, const BIGNUM *b,\n BN_MONT_CTX *mont, BN_CTX *ctx)\n{\n BIGNUM *tmp;\n int ret = 0;\n#if defined(OPENSSL_BN_ASM_MONT) && defined(MONT_WORD)\n int num = mont->N.top;\n if (num > 1 && a->top == num && b->top == num) {\n if (bn_wexpand(r, num) == NULL)\n return 0;\n if (bn_mul_mont(r->d, a->d, b->d, mont->N.d, mont->n0, num)) {\n r->neg = a->neg ^ b->neg;\n r->top = num;\n bn_correct_top(r);\n return 1;\n }\n }\n#endif\n BN_CTX_start(ctx);\n tmp = BN_CTX_get(ctx);\n if (tmp == NULL)\n goto err;\n bn_check_top(tmp);\n if (a == b) {\n if (!BN_sqr(tmp, a, ctx))\n goto err;\n } else {\n if (!BN_mul(tmp, a, b, ctx))\n goto err;\n }\n#ifdef MONT_WORD\n if (!BN_from_montgomery_word(r, tmp, mont))\n goto err;\n#else\n if (!BN_from_montgomery(r, tmp, mont, ctx))\n goto err;\n#endif\n bn_check_top(r);\n ret = 1;\n err:\n BN_CTX_end(ctx);\n return ret;\n}', 'int BN_sqr(BIGNUM *r, const BIGNUM *a, BN_CTX *ctx)\n{\n int max, al;\n int ret = 0;\n BIGNUM *tmp, *rr;\n bn_check_top(a);\n al = a->top;\n if (al <= 0) {\n r->top = 0;\n r->neg = 0;\n return 1;\n }\n BN_CTX_start(ctx);\n rr = (a != r) ? r : BN_CTX_get(ctx);\n tmp = BN_CTX_get(ctx);\n if (rr == NULL || tmp == NULL)\n goto err;\n max = 2 * al;\n if (bn_wexpand(rr, max) == NULL)\n goto err;\n if (al == 4) {\n#ifndef BN_SQR_COMBA\n BN_ULONG t[8];\n bn_sqr_normal(rr->d, a->d, 4, t);\n#else\n bn_sqr_comba4(rr->d, a->d);\n#endif\n } else if (al == 8) {\n#ifndef BN_SQR_COMBA\n BN_ULONG t[16];\n bn_sqr_normal(rr->d, a->d, 8, t);\n#else\n bn_sqr_comba8(rr->d, a->d);\n#endif\n } else {\n#if defined(BN_RECURSION)\n if (al < BN_SQR_RECURSIVE_SIZE_NORMAL) {\n BN_ULONG t[BN_SQR_RECURSIVE_SIZE_NORMAL * 2];\n bn_sqr_normal(rr->d, a->d, al, t);\n } else {\n int j, k;\n j = BN_num_bits_word((BN_ULONG)al);\n j = 1 << (j - 1);\n k = j + j;\n if (al == j) {\n if (bn_wexpand(tmp, k * 2) == NULL)\n goto err;\n bn_sqr_recursive(rr->d, a->d, al, tmp->d);\n } else {\n if (bn_wexpand(tmp, max) == NULL)\n goto err;\n bn_sqr_normal(rr->d, a->d, al, tmp->d);\n }\n }\n#else\n if (bn_wexpand(tmp, max) == NULL)\n goto err;\n bn_sqr_normal(rr->d, a->d, al, tmp->d);\n#endif\n }\n rr->neg = 0;\n if (a->d[al - 1] == (a->d[al - 1] & BN_MASK2l))\n rr->top = max - 1;\n else\n rr->top = max;\n if (r != rr && BN_copy(r, rr) == NULL)\n goto err;\n ret = 1;\n err:\n bn_check_top(rr);\n bn_check_top(tmp);\n BN_CTX_end(ctx);\n return ret;\n}', 'void bn_sqr_normal(BN_ULONG *r, const BN_ULONG *a, int n, BN_ULONG *tmp)\n{\n int i, j, max;\n const BN_ULONG *ap;\n BN_ULONG *rp;\n max = n * 2;\n ap = a;\n rp = r;\n rp[0] = rp[max - 1] = 0;\n rp++;\n j = n;\n if (--j > 0) {\n ap++;\n rp[j] = bn_mul_words(rp, ap, j, ap[-1]);\n rp += 2;\n }\n for (i = n - 2; i > 0; i--) {\n j--;\n ap++;\n rp[j] = bn_mul_add_words(rp, ap, j, ap[-1]);\n rp += 2;\n }\n bn_add_words(r, r, r, max);\n bn_sqr_words(tmp, a, n);\n bn_add_words(r, r, tmp, max);\n}'] |
21,023 | 0 | https://github.com/openssl/openssl/blob/ff64702b3d83d4c77756e0fd7b624e2165dbbdf0/crypto/packet.c/#L52 | int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
{
if (!ossl_assert(pkt->subs != NULL && len != 0))
return 0;
if (pkt->maxsize - pkt->written < len)
return 0;
if (pkt->buf != NULL && (pkt->buf->length - pkt->written < len)) {
size_t newlen;
size_t reflen;
reflen = (len > pkt->buf->length) ? len : pkt->buf->length;
if (reflen > SIZE_MAX / 2) {
newlen = SIZE_MAX;
} else {
newlen = reflen * 2;
if (newlen < DEFAULT_BUF_SIZE)
newlen = DEFAULT_BUF_SIZE;
}
if (BUF_MEM_grow(pkt->buf, newlen) == 0)
return 0;
}
if (allocbytes != NULL)
*allocbytes = WPACKET_get_curr(pkt);
return 1;
} | ['int tls_construct_cert_verify(SSL *s, WPACKET *pkt)\n{\n EVP_PKEY *pkey = NULL;\n const EVP_MD *md = NULL;\n EVP_MD_CTX *mctx = NULL;\n EVP_PKEY_CTX *pctx = NULL;\n size_t hdatalen = 0, siglen = 0;\n void *hdata;\n unsigned char *sig = NULL;\n unsigned char tls13tbs[TLS13_TBS_PREAMBLE_SIZE + EVP_MAX_MD_SIZE];\n const SIGALG_LOOKUP *lu = s->s3.tmp.sigalg;\n if (lu == NULL || s->s3.tmp.cert == NULL) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CERT_VERIFY,\n ERR_R_INTERNAL_ERROR);\n goto err;\n }\n pkey = s->s3.tmp.cert->privatekey;\n if (pkey == NULL || !tls1_lookup_md(lu, &md)) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CERT_VERIFY,\n ERR_R_INTERNAL_ERROR);\n goto err;\n }\n mctx = EVP_MD_CTX_new();\n if (mctx == NULL) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CERT_VERIFY,\n ERR_R_MALLOC_FAILURE);\n goto err;\n }\n if (!get_cert_verify_tbs_data(s, tls13tbs, &hdata, &hdatalen)) {\n goto err;\n }\n if (SSL_USE_SIGALGS(s) && !WPACKET_put_bytes_u16(pkt, lu->sigalg)) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CERT_VERIFY,\n ERR_R_INTERNAL_ERROR);\n goto err;\n }\n siglen = EVP_PKEY_size(pkey);\n sig = OPENSSL_malloc(siglen);\n if (sig == NULL) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CERT_VERIFY,\n ERR_R_MALLOC_FAILURE);\n goto err;\n }\n if (EVP_DigestSignInit(mctx, &pctx, md, NULL, pkey) <= 0) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CERT_VERIFY,\n ERR_R_EVP_LIB);\n goto err;\n }\n if (lu->sig == EVP_PKEY_RSA_PSS) {\n if (EVP_PKEY_CTX_set_rsa_padding(pctx, RSA_PKCS1_PSS_PADDING) <= 0\n || EVP_PKEY_CTX_set_rsa_pss_saltlen(pctx,\n RSA_PSS_SALTLEN_DIGEST) <= 0) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CERT_VERIFY,\n ERR_R_EVP_LIB);\n goto err;\n }\n }\n if (s->version == SSL3_VERSION) {\n if (EVP_DigestSignUpdate(mctx, hdata, hdatalen) <= 0\n || EVP_MD_CTX_ctrl(mctx, EVP_CTRL_SSL3_MASTER_SECRET,\n (int)s->session->master_key_length,\n s->session->master_key) <= 0\n || EVP_DigestSignFinal(mctx, sig, &siglen) <= 0) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CERT_VERIFY,\n ERR_R_EVP_LIB);\n goto err;\n }\n } else if (EVP_DigestSign(mctx, sig, &siglen, hdata, hdatalen) <= 0) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CERT_VERIFY,\n ERR_R_EVP_LIB);\n goto err;\n }\n#ifndef OPENSSL_NO_GOST\n {\n int pktype = lu->sig;\n if (pktype == NID_id_GostR3410_2001\n || pktype == NID_id_GostR3410_2012_256\n || pktype == NID_id_GostR3410_2012_512)\n BUF_reverse(sig, NULL, siglen);\n }\n#endif\n if (!WPACKET_sub_memcpy_u16(pkt, sig, siglen)) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CERT_VERIFY,\n ERR_R_INTERNAL_ERROR);\n goto err;\n }\n if (!ssl3_digest_cached_records(s, 0)) {\n goto err;\n }\n OPENSSL_free(sig);\n EVP_MD_CTX_free(mctx);\n return 1;\n err:\n OPENSSL_free(sig);\n EVP_MD_CTX_free(mctx);\n return 0;\n}', 'int WPACKET_sub_memcpy__(WPACKET *pkt, const void *src, size_t len,\n size_t lenbytes)\n{\n if (!WPACKET_start_sub_packet_len__(pkt, lenbytes)\n || !WPACKET_memcpy(pkt, src, len)\n || !WPACKET_close(pkt))\n return 0;\n return 1;\n}', 'int WPACKET_start_sub_packet_len__(WPACKET *pkt, size_t lenbytes)\n{\n WPACKET_SUB *sub;\n unsigned char *lenchars;\n if (!ossl_assert(pkt->subs != NULL))\n return 0;\n if ((sub = OPENSSL_zalloc(sizeof(*sub))) == NULL) {\n SSLerr(SSL_F_WPACKET_START_SUB_PACKET_LEN__, ERR_R_MALLOC_FAILURE);\n return 0;\n }\n sub->parent = pkt->subs;\n pkt->subs = sub;\n sub->pwritten = pkt->written + lenbytes;\n sub->lenbytes = lenbytes;\n if (lenbytes == 0) {\n sub->packet_len = 0;\n return 1;\n }\n sub->packet_len = pkt->written;\n if (!WPACKET_allocate_bytes(pkt, lenbytes, &lenchars))\n return 0;\n return 1;\n}', 'int WPACKET_memcpy(WPACKET *pkt, const void *src, size_t len)\n{\n unsigned char *dest;\n if (len == 0)\n return 1;\n if (!WPACKET_allocate_bytes(pkt, len, &dest))\n return 0;\n if (dest != NULL)\n memcpy(dest, src, len);\n return 1;\n}', 'int WPACKET_allocate_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)\n{\n if (!WPACKET_reserve_bytes(pkt, len, allocbytes))\n return 0;\n pkt->written += len;\n pkt->curr += len;\n return 1;\n}', 'int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)\n{\n if (!ossl_assert(pkt->subs != NULL && len != 0))\n return 0;\n if (pkt->maxsize - pkt->written < len)\n return 0;\n if (pkt->buf != NULL && (pkt->buf->length - pkt->written < len)) {\n size_t newlen;\n size_t reflen;\n reflen = (len > pkt->buf->length) ? len : pkt->buf->length;\n if (reflen > SIZE_MAX / 2) {\n newlen = SIZE_MAX;\n } else {\n newlen = reflen * 2;\n if (newlen < DEFAULT_BUF_SIZE)\n newlen = DEFAULT_BUF_SIZE;\n }\n if (BUF_MEM_grow(pkt->buf, newlen) == 0)\n return 0;\n }\n if (allocbytes != NULL)\n *allocbytes = WPACKET_get_curr(pkt);\n return 1;\n}'] |
21,024 | 0 | https://github.com/openssl/openssl/blob/95dc05bc6d0dfe0f3f3681f5e27afbc3f7a35eea/apps/x509.c/#L740 | static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
X509 *x, X509 *xca, EVP_PKEY *pkey, char *serialfile, int create,
int days)
{
int ret=0;
BIO *io=NULL;
MS_STATIC char buf2[1024];
char *buf=NULL,*p;
BIGNUM *serial=NULL;
ASN1_INTEGER *bs=NULL,bs2;
X509_STORE_CTX xsc;
EVP_PKEY *upkey;
upkey = X509_get_pubkey(xca);
EVP_PKEY_copy_parameters(upkey,pkey);
EVP_PKEY_free(upkey);
X509_STORE_CTX_init(&xsc,ctx,x,NULL);
buf=(char *)Malloc(EVP_PKEY_size(pkey)*2+
((serialfile == NULL)
?(strlen(CAfile)+strlen(POSTFIX)+1)
:(strlen(serialfile)))+1);
if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; }
if (serialfile == NULL)
{
strcpy(buf,CAfile);
for (p=buf; *p; p++)
if (*p == '.')
{
*p='\0';
break;
}
strcat(buf,POSTFIX);
}
else
strcpy(buf,serialfile);
serial=BN_new();
bs=ASN1_INTEGER_new();
if ((serial == NULL) || (bs == NULL))
{
ERR_print_errors(bio_err);
goto end;
}
io=BIO_new(BIO_s_file());
if (io == NULL)
{
ERR_print_errors(bio_err);
goto end;
}
if (BIO_read_filename(io,buf) <= 0)
{
if (!create)
{
perror(buf);
goto end;
}
else
{
ASN1_INTEGER_set(bs,0);
BN_zero(serial);
}
}
else
{
if (!a2i_ASN1_INTEGER(io,bs,buf2,1024))
{
BIO_printf(bio_err,"unable to load serial number from %s\n",buf);
ERR_print_errors(bio_err);
goto end;
}
else
{
serial=BN_bin2bn(bs->data,bs->length,serial);
if (serial == NULL)
{
BIO_printf(bio_err,"error converting bin 2 bn");
goto end;
}
}
}
if (!BN_add_word(serial,1))
{ BIO_printf(bio_err,"add_word failure\n"); goto end; }
bs2.data=(unsigned char *)buf2;
bs2.length=BN_bn2bin(serial,bs2.data);
if (BIO_write_filename(io,buf) <= 0)
{
BIO_printf(bio_err,"error attempting to write serial number file\n");
perror(buf);
goto end;
}
i2a_ASN1_INTEGER(io,&bs2);
BIO_puts(io,"\n");
BIO_free(io);
io=NULL;
if (!X509_STORE_add_cert(ctx,x)) goto end;
X509_STORE_CTX_set_cert(&xsc,x);
if (!reqfile && !X509_verify_cert(&xsc))
goto end;
if (!X509_check_private_key(xca,pkey))
{
BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
goto end;
}
if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;
if (!X509_set_serialNumber(x,bs)) goto end;
if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)
goto end;
if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
goto end;
upkey=X509_get_pubkey(x);
if (!EVP_PKEY_missing_parameters(pkey) &&
(EVP_PKEY_cmp_parameters(pkey,upkey) == 0))
{
EVP_PKEY_save_parameters(upkey,0);
X509_set_pubkey(x,upkey);
}
EVP_PKEY_free(upkey);
if (!X509_sign(x,pkey,digest)) goto end;
ret=1;
end:
X509_STORE_CTX_cleanup(&xsc);
if (!ret)
ERR_print_errors(bio_err);
if (buf != NULL) Free(buf);
if (bs != NULL) ASN1_INTEGER_free(bs);
if (io != NULL) BIO_free(io);
if (serial != NULL) BN_free(serial);
return(ret);
} | ['static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,\n\t X509 *x, X509 *xca, EVP_PKEY *pkey, char *serialfile, int create,\n\t int days)\n\t{\n\tint ret=0;\n\tBIO *io=NULL;\n\tMS_STATIC char buf2[1024];\n\tchar *buf=NULL,*p;\n\tBIGNUM *serial=NULL;\n\tASN1_INTEGER *bs=NULL,bs2;\n\tX509_STORE_CTX xsc;\n\tEVP_PKEY *upkey;\n\tupkey = X509_get_pubkey(xca);\n\tEVP_PKEY_copy_parameters(upkey,pkey);\n\tEVP_PKEY_free(upkey);\n\tX509_STORE_CTX_init(&xsc,ctx,x,NULL);\n\tbuf=(char *)Malloc(EVP_PKEY_size(pkey)*2+\n\t\t((serialfile == NULL)\n\t\t\t?(strlen(CAfile)+strlen(POSTFIX)+1)\n\t\t\t:(strlen(serialfile)))+1);\n\tif (buf == NULL) { BIO_printf(bio_err,"out of mem\\n"); goto end; }\n\tif (serialfile == NULL)\n\t\t{\n\t\tstrcpy(buf,CAfile);\n\t\tfor (p=buf; *p; p++)\n\t\t\tif (*p == \'.\')\n\t\t\t\t{\n\t\t\t\t*p=\'\\0\';\n\t\t\t\tbreak;\n\t\t\t\t}\n\t\tstrcat(buf,POSTFIX);\n\t\t}\n\telse\n\t\tstrcpy(buf,serialfile);\n\tserial=BN_new();\n\tbs=ASN1_INTEGER_new();\n\tif ((serial == NULL) || (bs == NULL))\n\t\t{\n\t\tERR_print_errors(bio_err);\n\t\tgoto end;\n\t\t}\n\tio=BIO_new(BIO_s_file());\n\tif (io == NULL)\n\t\t{\n\t\tERR_print_errors(bio_err);\n\t\tgoto end;\n\t\t}\n\tif (BIO_read_filename(io,buf) <= 0)\n\t\t{\n\t\tif (!create)\n\t\t\t{\n\t\t\tperror(buf);\n\t\t\tgoto end;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tASN1_INTEGER_set(bs,0);\n\t\t\tBN_zero(serial);\n\t\t\t}\n\t\t}\n\telse\n\t\t{\n\t\tif (!a2i_ASN1_INTEGER(io,bs,buf2,1024))\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"unable to load serial number from %s\\n",buf);\n\t\t\tERR_print_errors(bio_err);\n\t\t\tgoto end;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tserial=BN_bin2bn(bs->data,bs->length,serial);\n\t\t\tif (serial == NULL)\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_err,"error converting bin 2 bn");\n\t\t\t\tgoto end;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\tif (!BN_add_word(serial,1))\n\t\t{ BIO_printf(bio_err,"add_word failure\\n"); goto end; }\n\tbs2.data=(unsigned char *)buf2;\n\tbs2.length=BN_bn2bin(serial,bs2.data);\n\tif (BIO_write_filename(io,buf) <= 0)\n\t\t{\n\t\tBIO_printf(bio_err,"error attempting to write serial number file\\n");\n\t\tperror(buf);\n\t\tgoto end;\n\t\t}\n\ti2a_ASN1_INTEGER(io,&bs2);\n\tBIO_puts(io,"\\n");\n\tBIO_free(io);\n\tio=NULL;\n\tif (!X509_STORE_add_cert(ctx,x)) goto end;\n\tX509_STORE_CTX_set_cert(&xsc,x);\n\tif (!reqfile && !X509_verify_cert(&xsc))\n\t\tgoto end;\n\tif (!X509_check_private_key(xca,pkey))\n\t\t{\n\t\tBIO_printf(bio_err,"CA certificate and CA private key do not match\\n");\n\t\tgoto end;\n\t\t}\n\tif (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;\n\tif (!X509_set_serialNumber(x,bs)) goto end;\n\tif (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)\n\t\tgoto end;\n\tif (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)\n\t\tgoto end;\n\tupkey=X509_get_pubkey(x);\n\tif (!EVP_PKEY_missing_parameters(pkey) &&\n\t\t(EVP_PKEY_cmp_parameters(pkey,upkey) == 0))\n\t\t{\n\t\tEVP_PKEY_save_parameters(upkey,0);\n\t\tX509_set_pubkey(x,upkey);\n\t\t}\n\tEVP_PKEY_free(upkey);\n\tif (!X509_sign(x,pkey,digest)) goto end;\n\tret=1;\nend:\n\tX509_STORE_CTX_cleanup(&xsc);\n\tif (!ret)\n\t\tERR_print_errors(bio_err);\n\tif (buf != NULL) Free(buf);\n\tif (bs != NULL) ASN1_INTEGER_free(bs);\n\tif (io != NULL)\tBIO_free(io);\n\tif (serial != NULL) BN_free(serial);\n\treturn(ret);\n\t}', 'int EVP_PKEY_size(EVP_PKEY *pkey)\n\t{\n\tif (pkey == NULL)\n\t\treturn(0);\n#ifndef NO_RSA\n\tif (pkey->type == EVP_PKEY_RSA)\n\t\treturn(RSA_size(pkey->pkey.rsa));\n\telse\n#endif\n#ifndef NO_DSA\n\t\tif (pkey->type == EVP_PKEY_DSA)\n\t\treturn(DSA_size(pkey->pkey.dsa));\n#endif\n\treturn(0);\n\t}'] |
21,025 | 0 | https://github.com/libav/libav/blob/4cd19f6e7851ee6afb08eb346c82d5574fa2b699/libavcodec/dvbsubdec.c/#L931 | static void dvbsub_parse_clut_segment(AVCodecContext *avctx,
const uint8_t *buf, int buf_size)
{
DVBSubContext *ctx = (DVBSubContext*) avctx->priv_data;
const uint8_t *buf_end = buf + buf_size;
int clut_id;
DVBSubCLUT *clut;
int entry_id, depth , full_range;
int y, cr, cb, alpha;
int r, g, b, r_add, g_add, b_add;
#ifdef DEBUG_PACKET_CONTENTS
int i;
av_log(avctx, AV_LOG_INFO, "DVB clut packet:\n");
for (i=0; i < buf_size; i++) {
av_log(avctx, AV_LOG_INFO, "%02x ", buf[i]);
if (i % 16 == 15)
av_log(avctx, AV_LOG_INFO, "\n");
}
if (i % 16)
av_log(avctx, AV_LOG_INFO, "\n");
#endif
clut_id = *buf++;
buf += 1;
clut = get_clut(ctx, clut_id);
if (!clut) {
clut = av_malloc(sizeof(DVBSubCLUT));
memcpy(clut, &default_clut, sizeof(DVBSubCLUT));
clut->id = clut_id;
clut->next = ctx->clut_list;
ctx->clut_list = clut;
}
while (buf + 4 < buf_end) {
entry_id = *buf++;
depth = (*buf) & 0xe0;
if (depth == 0) {
av_log(avctx, AV_LOG_ERROR, "Invalid clut depth 0x%x!\n", *buf);
return;
}
full_range = (*buf++) & 1;
if (full_range) {
y = *buf++;
cr = *buf++;
cb = *buf++;
alpha = *buf++;
} else {
y = buf[0] & 0xfc;
cr = (((buf[0] & 3) << 2) | ((buf[1] >> 6) & 3)) << 4;
cb = (buf[1] << 2) & 0xf0;
alpha = (buf[1] << 6) & 0xc0;
buf += 2;
}
if (y == 0)
alpha = 0xff;
YUV_TO_RGB1_CCIR(cb, cr);
YUV_TO_RGB2_CCIR(r, g, b, y);
#ifdef DEBUG
av_log(avctx, AV_LOG_INFO, "clut %d := (%d,%d,%d,%d)\n", entry_id, r, g, b, alpha);
#endif
if (depth & 0x80)
clut->clut4[entry_id] = RGBA(r,g,b,255 - alpha);
if (depth & 0x40)
clut->clut16[entry_id] = RGBA(r,g,b,255 - alpha);
if (depth & 0x20)
clut->clut256[entry_id] = RGBA(r,g,b,255 - alpha);
}
} | ['static void dvbsub_parse_clut_segment(AVCodecContext *avctx,\n const uint8_t *buf, int buf_size)\n{\n DVBSubContext *ctx = (DVBSubContext*) avctx->priv_data;\n const uint8_t *buf_end = buf + buf_size;\n int clut_id;\n DVBSubCLUT *clut;\n int entry_id, depth , full_range;\n int y, cr, cb, alpha;\n int r, g, b, r_add, g_add, b_add;\n#ifdef DEBUG_PACKET_CONTENTS\n int i;\n av_log(avctx, AV_LOG_INFO, "DVB clut packet:\\n");\n for (i=0; i < buf_size; i++) {\n av_log(avctx, AV_LOG_INFO, "%02x ", buf[i]);\n if (i % 16 == 15)\n av_log(avctx, AV_LOG_INFO, "\\n");\n }\n if (i % 16)\n av_log(avctx, AV_LOG_INFO, "\\n");\n#endif\n clut_id = *buf++;\n buf += 1;\n clut = get_clut(ctx, clut_id);\n if (!clut) {\n clut = av_malloc(sizeof(DVBSubCLUT));\n memcpy(clut, &default_clut, sizeof(DVBSubCLUT));\n clut->id = clut_id;\n clut->next = ctx->clut_list;\n ctx->clut_list = clut;\n }\n while (buf + 4 < buf_end) {\n entry_id = *buf++;\n depth = (*buf) & 0xe0;\n if (depth == 0) {\n av_log(avctx, AV_LOG_ERROR, "Invalid clut depth 0x%x!\\n", *buf);\n return;\n }\n full_range = (*buf++) & 1;\n if (full_range) {\n y = *buf++;\n cr = *buf++;\n cb = *buf++;\n alpha = *buf++;\n } else {\n y = buf[0] & 0xfc;\n cr = (((buf[0] & 3) << 2) | ((buf[1] >> 6) & 3)) << 4;\n cb = (buf[1] << 2) & 0xf0;\n alpha = (buf[1] << 6) & 0xc0;\n buf += 2;\n }\n if (y == 0)\n alpha = 0xff;\n YUV_TO_RGB1_CCIR(cb, cr);\n YUV_TO_RGB2_CCIR(r, g, b, y);\n#ifdef DEBUG\n av_log(avctx, AV_LOG_INFO, "clut %d := (%d,%d,%d,%d)\\n", entry_id, r, g, b, alpha);\n#endif\n if (depth & 0x80)\n clut->clut4[entry_id] = RGBA(r,g,b,255 - alpha);\n if (depth & 0x40)\n clut->clut16[entry_id] = RGBA(r,g,b,255 - alpha);\n if (depth & 0x20)\n clut->clut256[entry_id] = RGBA(r,g,b,255 - alpha);\n }\n}', 'static DVBSubCLUT* get_clut(DVBSubContext *ctx, int clut_id)\n{\n DVBSubCLUT *ptr = ctx->clut_list;\n while (ptr && ptr->id != clut_id) {\n ptr = ptr->next;\n }\n return ptr;\n}', 'void *av_malloc(unsigned int size)\n{\n void *ptr = NULL;\n#if CONFIG_MEMALIGN_HACK\n long diff;\n#endif\n if(size > (INT_MAX-16) )\n return NULL;\n#if CONFIG_MEMALIGN_HACK\n ptr = malloc(size+16);\n if(!ptr)\n return ptr;\n diff= ((-(long)ptr - 1)&15) + 1;\n ptr = (char*)ptr + diff;\n ((char*)ptr)[-1]= diff;\n#elif HAVE_POSIX_MEMALIGN\n if (posix_memalign(&ptr,16,size))\n ptr = NULL;\n#elif HAVE_MEMALIGN\n ptr = memalign(16,size);\n#else\n ptr = malloc(size);\n#endif\n return ptr;\n}'] |
21,026 | 0 | https://github.com/libav/libav/blob/f40f329e9219a8dd7e585345a8ea294fa66562b9/libavcodec/mpegaudiodec.c/#L1050 | static void imdct36(INTFLOAT *out, INTFLOAT *buf, INTFLOAT *in, INTFLOAT *win)
{
int i, j;
INTFLOAT t0, t1, t2, t3, s0, s1, s2, s3;
INTFLOAT tmp[18], *tmp1, *in1;
for(i=17;i>=1;i--)
in[i] += in[i-1];
for(i=17;i>=3;i-=2)
in[i] += in[i-2];
for(j=0;j<2;j++) {
tmp1 = tmp + j;
in1 = in + j;
t2 = in1[2*4] + in1[2*8] - in1[2*2];
t3 = in1[2*0] + SHR(in1[2*6],1);
t1 = in1[2*0] - in1[2*6];
tmp1[ 6] = t1 - SHR(t2,1);
tmp1[16] = t1 + t2;
t0 = MULH3(in1[2*2] + in1[2*4] , C2, 2);
t1 = MULH3(in1[2*4] - in1[2*8] , -2*C8, 1);
t2 = MULH3(in1[2*2] + in1[2*8] , -C4, 2);
tmp1[10] = t3 - t0 - t2;
tmp1[ 2] = t3 + t0 + t1;
tmp1[14] = t3 + t2 - t1;
tmp1[ 4] = MULH3(in1[2*5] + in1[2*7] - in1[2*1], -C3, 2);
t2 = MULH3(in1[2*1] + in1[2*5], C1, 2);
t3 = MULH3(in1[2*5] - in1[2*7], -2*C7, 1);
t0 = MULH3(in1[2*3], C3, 2);
t1 = MULH3(in1[2*1] + in1[2*7], -C5, 2);
tmp1[ 0] = t2 + t3 + t0;
tmp1[12] = t2 + t1 - t0;
tmp1[ 8] = t3 - t1 - t0;
}
i = 0;
for(j=0;j<4;j++) {
t0 = tmp[i];
t1 = tmp[i + 2];
s0 = t1 + t0;
s2 = t1 - t0;
t2 = tmp[i + 1];
t3 = tmp[i + 3];
s1 = MULH3(t3 + t2, icos36h[j], 2);
s3 = MULLx(t3 - t2, icos36[8 - j], FRAC_BITS);
t0 = s0 + s1;
t1 = s0 - s1;
out[(9 + j)*SBLIMIT] = MULH3(t1, win[9 + j], 1) + buf[9 + j];
out[(8 - j)*SBLIMIT] = MULH3(t1, win[8 - j], 1) + buf[8 - j];
buf[9 + j] = MULH3(t0, win[18 + 9 + j], 1);
buf[8 - j] = MULH3(t0, win[18 + 8 - j], 1);
t0 = s2 + s3;
t1 = s2 - s3;
out[(9 + 8 - j)*SBLIMIT] = MULH3(t1, win[9 + 8 - j], 1) + buf[9 + 8 - j];
out[( j)*SBLIMIT] = MULH3(t1, win[ j], 1) + buf[ j];
buf[9 + 8 - j] = MULH3(t0, win[18 + 9 + 8 - j], 1);
buf[ + j] = MULH3(t0, win[18 + j], 1);
i += 4;
}
s0 = tmp[16];
s1 = MULH3(tmp[17], icos36h[4], 2);
t0 = s0 + s1;
t1 = s0 - s1;
out[(9 + 4)*SBLIMIT] = MULH3(t1, win[9 + 4], 1) + buf[9 + 4];
out[(8 - 4)*SBLIMIT] = MULH3(t1, win[8 - 4], 1) + buf[8 - 4];
buf[9 + 4] = MULH3(t0, win[18 + 9 + 4], 1);
buf[8 - 4] = MULH3(t0, win[18 + 8 - 4], 1);
} | ['static int mp_decode_layer3(MPADecodeContext *s)\n{\n int nb_granules, main_data_begin, private_bits;\n int gr, ch, blocksplit_flag, i, j, k, n, bits_pos;\n GranuleDef *g;\n int16_t exponents[576];\n if (s->lsf) {\n main_data_begin = get_bits(&s->gb, 8);\n private_bits = get_bits(&s->gb, s->nb_channels);\n nb_granules = 1;\n } else {\n main_data_begin = get_bits(&s->gb, 9);\n if (s->nb_channels == 2)\n private_bits = get_bits(&s->gb, 3);\n else\n private_bits = get_bits(&s->gb, 5);\n nb_granules = 2;\n for(ch=0;ch<s->nb_channels;ch++) {\n s->granules[ch][0].scfsi = 0;\n s->granules[ch][1].scfsi = get_bits(&s->gb, 4);\n }\n }\n for(gr=0;gr<nb_granules;gr++) {\n for(ch=0;ch<s->nb_channels;ch++) {\n dprintf(s->avctx, "gr=%d ch=%d: side_info\\n", gr, ch);\n g = &s->granules[ch][gr];\n g->part2_3_length = get_bits(&s->gb, 12);\n g->big_values = get_bits(&s->gb, 9);\n if(g->big_values > 288){\n av_log(s->avctx, AV_LOG_ERROR, "big_values too big\\n");\n return -1;\n }\n g->global_gain = get_bits(&s->gb, 8);\n if ((s->mode_ext & (MODE_EXT_MS_STEREO | MODE_EXT_I_STEREO)) ==\n MODE_EXT_MS_STEREO)\n g->global_gain -= 2;\n if (s->lsf)\n g->scalefac_compress = get_bits(&s->gb, 9);\n else\n g->scalefac_compress = get_bits(&s->gb, 4);\n blocksplit_flag = get_bits1(&s->gb);\n if (blocksplit_flag) {\n g->block_type = get_bits(&s->gb, 2);\n if (g->block_type == 0){\n av_log(s->avctx, AV_LOG_ERROR, "invalid block type\\n");\n return -1;\n }\n g->switch_point = get_bits1(&s->gb);\n for(i=0;i<2;i++)\n g->table_select[i] = get_bits(&s->gb, 5);\n for(i=0;i<3;i++)\n g->subblock_gain[i] = get_bits(&s->gb, 3);\n ff_init_short_region(s, g);\n } else {\n int region_address1, region_address2;\n g->block_type = 0;\n g->switch_point = 0;\n for(i=0;i<3;i++)\n g->table_select[i] = get_bits(&s->gb, 5);\n region_address1 = get_bits(&s->gb, 4);\n region_address2 = get_bits(&s->gb, 3);\n dprintf(s->avctx, "region1=%d region2=%d\\n",\n region_address1, region_address2);\n ff_init_long_region(s, g, region_address1, region_address2);\n }\n ff_region_offset2size(g);\n ff_compute_band_indexes(s, g);\n g->preflag = 0;\n if (!s->lsf)\n g->preflag = get_bits1(&s->gb);\n g->scalefac_scale = get_bits1(&s->gb);\n g->count1table_select = get_bits1(&s->gb);\n dprintf(s->avctx, "block_type=%d switch_point=%d\\n",\n g->block_type, g->switch_point);\n }\n }\n if (!s->adu_mode) {\n const uint8_t *ptr = s->gb.buffer + (get_bits_count(&s->gb)>>3);\n assert((get_bits_count(&s->gb) & 7) == 0);\n dprintf(s->avctx, "seekback: %d\\n", main_data_begin);\n memcpy(s->last_buf + s->last_buf_size, ptr, EXTRABYTES);\n s->in_gb= s->gb;\n init_get_bits(&s->gb, s->last_buf, s->last_buf_size*8);\n skip_bits_long(&s->gb, 8*(s->last_buf_size - main_data_begin));\n }\n for(gr=0;gr<nb_granules;gr++) {\n for(ch=0;ch<s->nb_channels;ch++) {\n g = &s->granules[ch][gr];\n if(get_bits_count(&s->gb)<0){\n av_log(s->avctx, AV_LOG_DEBUG, "mdb:%d, lastbuf:%d skipping granule %d\\n",\n main_data_begin, s->last_buf_size, gr);\n skip_bits_long(&s->gb, g->part2_3_length);\n memset(g->sb_hybrid, 0, sizeof(g->sb_hybrid));\n if(get_bits_count(&s->gb) >= s->gb.size_in_bits && s->in_gb.buffer){\n skip_bits_long(&s->in_gb, get_bits_count(&s->gb) - s->gb.size_in_bits);\n s->gb= s->in_gb;\n s->in_gb.buffer=NULL;\n }\n continue;\n }\n bits_pos = get_bits_count(&s->gb);\n if (!s->lsf) {\n uint8_t *sc;\n int slen, slen1, slen2;\n slen1 = slen_table[0][g->scalefac_compress];\n slen2 = slen_table[1][g->scalefac_compress];\n dprintf(s->avctx, "slen1=%d slen2=%d\\n", slen1, slen2);\n if (g->block_type == 2) {\n n = g->switch_point ? 17 : 18;\n j = 0;\n if(slen1){\n for(i=0;i<n;i++)\n g->scale_factors[j++] = get_bits(&s->gb, slen1);\n }else{\n for(i=0;i<n;i++)\n g->scale_factors[j++] = 0;\n }\n if(slen2){\n for(i=0;i<18;i++)\n g->scale_factors[j++] = get_bits(&s->gb, slen2);\n for(i=0;i<3;i++)\n g->scale_factors[j++] = 0;\n }else{\n for(i=0;i<21;i++)\n g->scale_factors[j++] = 0;\n }\n } else {\n sc = s->granules[ch][0].scale_factors;\n j = 0;\n for(k=0;k<4;k++) {\n n = (k == 0 ? 6 : 5);\n if ((g->scfsi & (0x8 >> k)) == 0) {\n slen = (k < 2) ? slen1 : slen2;\n if(slen){\n for(i=0;i<n;i++)\n g->scale_factors[j++] = get_bits(&s->gb, slen);\n }else{\n for(i=0;i<n;i++)\n g->scale_factors[j++] = 0;\n }\n } else {\n for(i=0;i<n;i++) {\n g->scale_factors[j] = sc[j];\n j++;\n }\n }\n }\n g->scale_factors[j++] = 0;\n }\n } else {\n int tindex, tindex2, slen[4], sl, sf;\n if (g->block_type == 2) {\n tindex = g->switch_point ? 2 : 1;\n } else {\n tindex = 0;\n }\n sf = g->scalefac_compress;\n if ((s->mode_ext & MODE_EXT_I_STEREO) && ch == 1) {\n sf >>= 1;\n if (sf < 180) {\n lsf_sf_expand(slen, sf, 6, 6, 0);\n tindex2 = 3;\n } else if (sf < 244) {\n lsf_sf_expand(slen, sf - 180, 4, 4, 0);\n tindex2 = 4;\n } else {\n lsf_sf_expand(slen, sf - 244, 3, 0, 0);\n tindex2 = 5;\n }\n } else {\n if (sf < 400) {\n lsf_sf_expand(slen, sf, 5, 4, 4);\n tindex2 = 0;\n } else if (sf < 500) {\n lsf_sf_expand(slen, sf - 400, 5, 4, 0);\n tindex2 = 1;\n } else {\n lsf_sf_expand(slen, sf - 500, 3, 0, 0);\n tindex2 = 2;\n g->preflag = 1;\n }\n }\n j = 0;\n for(k=0;k<4;k++) {\n n = lsf_nsf_table[tindex2][tindex][k];\n sl = slen[k];\n if(sl){\n for(i=0;i<n;i++)\n g->scale_factors[j++] = get_bits(&s->gb, sl);\n }else{\n for(i=0;i<n;i++)\n g->scale_factors[j++] = 0;\n }\n }\n for(;j<40;j++)\n g->scale_factors[j] = 0;\n }\n exponents_from_scale_factors(s, g, exponents);\n huffman_decode(s, g, exponents, bits_pos + g->part2_3_length);\n }\n if (s->nb_channels == 2)\n compute_stereo(s, &s->granules[0][gr], &s->granules[1][gr]);\n for(ch=0;ch<s->nb_channels;ch++) {\n g = &s->granules[ch][gr];\n reorder_block(s, g);\n compute_antialias(s, g);\n compute_imdct(s, g, &s->sb_samples[ch][18 * gr][0], s->mdct_buf[ch]);\n }\n }\n if(get_bits_count(&s->gb)<0)\n skip_bits_long(&s->gb, -get_bits_count(&s->gb));\n return nb_granules * 18;\n}', 'static void compute_imdct(MPADecodeContext *s,\n GranuleDef *g,\n INTFLOAT *sb_samples,\n INTFLOAT *mdct_buf)\n{\n INTFLOAT *win, *win1, *out_ptr, *ptr, *buf, *ptr1;\n INTFLOAT out2[12];\n int i, j, mdct_long_end, sblimit;\n ptr = g->sb_hybrid + 576;\n ptr1 = g->sb_hybrid + 2 * 18;\n while (ptr >= ptr1) {\n int32_t *p;\n ptr -= 6;\n p= (int32_t*)ptr;\n if(p[0] | p[1] | p[2] | p[3] | p[4] | p[5])\n break;\n }\n sblimit = ((ptr - g->sb_hybrid) / 18) + 1;\n if (g->block_type == 2) {\n if (g->switch_point)\n mdct_long_end = 2;\n else\n mdct_long_end = 0;\n } else {\n mdct_long_end = sblimit;\n }\n buf = mdct_buf;\n ptr = g->sb_hybrid;\n for(j=0;j<mdct_long_end;j++) {\n out_ptr = sb_samples + j;\n if (g->switch_point && j < 2)\n win1 = mdct_win[0];\n else\n win1 = mdct_win[g->block_type];\n win = win1 + ((4 * 36) & -(j & 1));\n imdct36(out_ptr, buf, ptr, win);\n out_ptr += 18*SBLIMIT;\n ptr += 18;\n buf += 18;\n }\n for(j=mdct_long_end;j<sblimit;j++) {\n win = mdct_win[2] + ((4 * 36) & -(j & 1));\n out_ptr = sb_samples + j;\n for(i=0; i<6; i++){\n *out_ptr = buf[i];\n out_ptr += SBLIMIT;\n }\n imdct12(out2, ptr + 0);\n for(i=0;i<6;i++) {\n *out_ptr = MULH3(out2[i ], win[i ], 1) + buf[i + 6*1];\n buf[i + 6*2] = MULH3(out2[i + 6], win[i + 6], 1);\n out_ptr += SBLIMIT;\n }\n imdct12(out2, ptr + 1);\n for(i=0;i<6;i++) {\n *out_ptr = MULH3(out2[i ], win[i ], 1) + buf[i + 6*2];\n buf[i + 6*0] = MULH3(out2[i + 6], win[i + 6], 1);\n out_ptr += SBLIMIT;\n }\n imdct12(out2, ptr + 2);\n for(i=0;i<6;i++) {\n buf[i + 6*0] = MULH3(out2[i ], win[i ], 1) + buf[i + 6*0];\n buf[i + 6*1] = MULH3(out2[i + 6], win[i + 6], 1);\n buf[i + 6*2] = 0;\n }\n ptr += 18;\n buf += 18;\n }\n for(j=sblimit;j<SBLIMIT;j++) {\n out_ptr = sb_samples + j;\n for(i=0;i<18;i++) {\n *out_ptr = buf[i];\n buf[i] = 0;\n out_ptr += SBLIMIT;\n }\n buf += 18;\n }\n}', 'static void imdct36(INTFLOAT *out, INTFLOAT *buf, INTFLOAT *in, INTFLOAT *win)\n{\n int i, j;\n INTFLOAT t0, t1, t2, t3, s0, s1, s2, s3;\n INTFLOAT tmp[18], *tmp1, *in1;\n for(i=17;i>=1;i--)\n in[i] += in[i-1];\n for(i=17;i>=3;i-=2)\n in[i] += in[i-2];\n for(j=0;j<2;j++) {\n tmp1 = tmp + j;\n in1 = in + j;\n t2 = in1[2*4] + in1[2*8] - in1[2*2];\n t3 = in1[2*0] + SHR(in1[2*6],1);\n t1 = in1[2*0] - in1[2*6];\n tmp1[ 6] = t1 - SHR(t2,1);\n tmp1[16] = t1 + t2;\n t0 = MULH3(in1[2*2] + in1[2*4] , C2, 2);\n t1 = MULH3(in1[2*4] - in1[2*8] , -2*C8, 1);\n t2 = MULH3(in1[2*2] + in1[2*8] , -C4, 2);\n tmp1[10] = t3 - t0 - t2;\n tmp1[ 2] = t3 + t0 + t1;\n tmp1[14] = t3 + t2 - t1;\n tmp1[ 4] = MULH3(in1[2*5] + in1[2*7] - in1[2*1], -C3, 2);\n t2 = MULH3(in1[2*1] + in1[2*5], C1, 2);\n t3 = MULH3(in1[2*5] - in1[2*7], -2*C7, 1);\n t0 = MULH3(in1[2*3], C3, 2);\n t1 = MULH3(in1[2*1] + in1[2*7], -C5, 2);\n tmp1[ 0] = t2 + t3 + t0;\n tmp1[12] = t2 + t1 - t0;\n tmp1[ 8] = t3 - t1 - t0;\n }\n i = 0;\n for(j=0;j<4;j++) {\n t0 = tmp[i];\n t1 = tmp[i + 2];\n s0 = t1 + t0;\n s2 = t1 - t0;\n t2 = tmp[i + 1];\n t3 = tmp[i + 3];\n s1 = MULH3(t3 + t2, icos36h[j], 2);\n s3 = MULLx(t3 - t2, icos36[8 - j], FRAC_BITS);\n t0 = s0 + s1;\n t1 = s0 - s1;\n out[(9 + j)*SBLIMIT] = MULH3(t1, win[9 + j], 1) + buf[9 + j];\n out[(8 - j)*SBLIMIT] = MULH3(t1, win[8 - j], 1) + buf[8 - j];\n buf[9 + j] = MULH3(t0, win[18 + 9 + j], 1);\n buf[8 - j] = MULH3(t0, win[18 + 8 - j], 1);\n t0 = s2 + s3;\n t1 = s2 - s3;\n out[(9 + 8 - j)*SBLIMIT] = MULH3(t1, win[9 + 8 - j], 1) + buf[9 + 8 - j];\n out[( j)*SBLIMIT] = MULH3(t1, win[ j], 1) + buf[ j];\n buf[9 + 8 - j] = MULH3(t0, win[18 + 9 + 8 - j], 1);\n buf[ + j] = MULH3(t0, win[18 + j], 1);\n i += 4;\n }\n s0 = tmp[16];\n s1 = MULH3(tmp[17], icos36h[4], 2);\n t0 = s0 + s1;\n t1 = s0 - s1;\n out[(9 + 4)*SBLIMIT] = MULH3(t1, win[9 + 4], 1) + buf[9 + 4];\n out[(8 - 4)*SBLIMIT] = MULH3(t1, win[8 - 4], 1) + buf[8 - 4];\n buf[9 + 4] = MULH3(t0, win[18 + 9 + 4], 1);\n buf[8 - 4] = MULH3(t0, win[18 + 8 - 4], 1);\n}'] |
21,027 | 0 | https://github.com/openssl/openssl/blob/d4f63f1c39c3908cd81fda07448144bafb9aba4a/ssl/statem/statem_clnt.c/#L3042 | static int tls_construct_cke_rsa(SSL *s, WPACKET *pkt)
{
#ifndef OPENSSL_NO_RSA
unsigned char *encdata = NULL;
EVP_PKEY *pkey = NULL;
EVP_PKEY_CTX *pctx = NULL;
size_t enclen;
unsigned char *pms = NULL;
size_t pmslen = 0;
if (s->session->peer == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA,
ERR_R_INTERNAL_ERROR);
return 0;
}
pkey = X509_get0_pubkey(s->session->peer);
if (EVP_PKEY_get0_RSA(pkey) == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA,
ERR_R_INTERNAL_ERROR);
return 0;
}
pmslen = SSL_MAX_MASTER_KEY_LENGTH;
pms = OPENSSL_malloc(pmslen);
if (pms == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA,
ERR_R_MALLOC_FAILURE);
return 0;
}
pms[0] = s->client_version >> 8;
pms[1] = s->client_version & 0xff;
if (RAND_bytes(pms + 2, (int)(pmslen - 2)) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA,
ERR_R_MALLOC_FAILURE);
goto err;
}
if (s->version > SSL3_VERSION && !WPACKET_start_sub_packet_u16(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA,
ERR_R_INTERNAL_ERROR);
goto err;
}
pctx = EVP_PKEY_CTX_new(pkey, NULL);
if (pctx == NULL || EVP_PKEY_encrypt_init(pctx) <= 0
|| EVP_PKEY_encrypt(pctx, NULL, &enclen, pms, pmslen) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA,
ERR_R_EVP_LIB);
goto err;
}
if (!WPACKET_allocate_bytes(pkt, enclen, &encdata)
|| EVP_PKEY_encrypt(pctx, encdata, &enclen, pms, pmslen) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA,
SSL_R_BAD_RSA_ENCRYPT);
goto err;
}
EVP_PKEY_CTX_free(pctx);
pctx = NULL;
if (s->version > SSL3_VERSION && !WPACKET_close(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA,
ERR_R_INTERNAL_ERROR);
goto err;
}
if (!ssl_log_rsa_client_key_exchange(s, encdata, enclen, pms, pmslen)) {
goto err;
}
s->s3.tmp.pms = pms;
s->s3.tmp.pmslen = pmslen;
return 1;
err:
OPENSSL_clear_free(pms, pmslen);
EVP_PKEY_CTX_free(pctx);
return 0;
#else
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA,
ERR_R_INTERNAL_ERROR);
return 0;
#endif
} | ['static int tls_construct_cke_rsa(SSL *s, WPACKET *pkt)\n{\n#ifndef OPENSSL_NO_RSA\n unsigned char *encdata = NULL;\n EVP_PKEY *pkey = NULL;\n EVP_PKEY_CTX *pctx = NULL;\n size_t enclen;\n unsigned char *pms = NULL;\n size_t pmslen = 0;\n if (s->session->peer == NULL) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA,\n ERR_R_INTERNAL_ERROR);\n return 0;\n }\n pkey = X509_get0_pubkey(s->session->peer);\n if (EVP_PKEY_get0_RSA(pkey) == NULL) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA,\n ERR_R_INTERNAL_ERROR);\n return 0;\n }\n pmslen = SSL_MAX_MASTER_KEY_LENGTH;\n pms = OPENSSL_malloc(pmslen);\n if (pms == NULL) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA,\n ERR_R_MALLOC_FAILURE);\n return 0;\n }\n pms[0] = s->client_version >> 8;\n pms[1] = s->client_version & 0xff;\n if (RAND_bytes(pms + 2, (int)(pmslen - 2)) <= 0) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA,\n ERR_R_MALLOC_FAILURE);\n goto err;\n }\n if (s->version > SSL3_VERSION && !WPACKET_start_sub_packet_u16(pkt)) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA,\n ERR_R_INTERNAL_ERROR);\n goto err;\n }\n pctx = EVP_PKEY_CTX_new(pkey, NULL);\n if (pctx == NULL || EVP_PKEY_encrypt_init(pctx) <= 0\n || EVP_PKEY_encrypt(pctx, NULL, &enclen, pms, pmslen) <= 0) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA,\n ERR_R_EVP_LIB);\n goto err;\n }\n if (!WPACKET_allocate_bytes(pkt, enclen, &encdata)\n || EVP_PKEY_encrypt(pctx, encdata, &enclen, pms, pmslen) <= 0) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA,\n SSL_R_BAD_RSA_ENCRYPT);\n goto err;\n }\n EVP_PKEY_CTX_free(pctx);\n pctx = NULL;\n if (s->version > SSL3_VERSION && !WPACKET_close(pkt)) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA,\n ERR_R_INTERNAL_ERROR);\n goto err;\n }\n if (!ssl_log_rsa_client_key_exchange(s, encdata, enclen, pms, pmslen)) {\n goto err;\n }\n s->s3.tmp.pms = pms;\n s->s3.tmp.pmslen = pmslen;\n return 1;\n err:\n OPENSSL_clear_free(pms, pmslen);\n EVP_PKEY_CTX_free(pctx);\n return 0;\n#else\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA,\n ERR_R_INTERNAL_ERROR);\n return 0;\n#endif\n}', 'EVP_PKEY *X509_get0_pubkey(const X509 *x)\n{\n if (x == NULL)\n return NULL;\n return X509_PUBKEY_get0(x->cert_info.key);\n}', 'EVP_PKEY *X509_PUBKEY_get0(X509_PUBKEY *key)\n{\n EVP_PKEY *ret = NULL;\n if (key == NULL || key->public_key == NULL)\n return NULL;\n if (key->pkey != NULL)\n return key->pkey;\n x509_pubkey_decode(&ret, key);\n if (ret != NULL) {\n X509err(X509_F_X509_PUBKEY_GET0, ERR_R_INTERNAL_ERROR);\n EVP_PKEY_free(ret);\n }\n return NULL;\n}', 'RSA *EVP_PKEY_get0_RSA(const EVP_PKEY *pkey)\n{\n if (pkey->type != EVP_PKEY_RSA) {\n EVPerr(EVP_F_EVP_PKEY_GET0_RSA, EVP_R_EXPECTING_AN_RSA_KEY);\n return NULL;\n }\n return pkey->pkey.rsa;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n INCREMENT(malloc_count);\n if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)\n return malloc_impl(num, file, line);\n if (num == 0)\n return NULL;\n FAILTEST();\n if (allow_customize) {\n allow_customize = 0;\n }\n#if !defined(OPENSSL_NO_CRYPTO_MDEBUG) && !defined(FIPS_MODE)\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n (void)(file); (void)(line);\n ret = malloc(num);\n#endif\n return ret;\n}', 'int WPACKET_start_sub_packet_len__(WPACKET *pkt, size_t lenbytes)\n{\n WPACKET_SUB *sub;\n unsigned char *lenchars;\n if (!ossl_assert(pkt->subs != NULL))\n return 0;\n if ((sub = OPENSSL_zalloc(sizeof(*sub))) == NULL) {\n SSLerr(SSL_F_WPACKET_START_SUB_PACKET_LEN__, ERR_R_MALLOC_FAILURE);\n return 0;\n }\n sub->parent = pkt->subs;\n pkt->subs = sub;\n sub->pwritten = pkt->written + lenbytes;\n sub->lenbytes = lenbytes;\n if (lenbytes == 0) {\n sub->packet_len = 0;\n return 1;\n }\n if (!WPACKET_allocate_bytes(pkt, lenbytes, &lenchars))\n return 0;\n sub->packet_len = lenchars - GETBUF(pkt);\n return 1;\n}', 'void ossl_statem_fatal(SSL *s, int al, int func, int reason, const char *file,\n int line)\n{\n}', 'void CRYPTO_clear_free(void *str, size_t num, const char *file, int line)\n{\n if (str == NULL)\n return;\n if (num)\n OPENSSL_cleanse(str, num);\n CRYPTO_free(str, file, line);\n}', 'void CRYPTO_free(void *str, const char *file, int line)\n{\n INCREMENT(free_count);\n if (free_impl != NULL && free_impl != &CRYPTO_free) {\n free_impl(str, file, line);\n return;\n }\n#if !defined(OPENSSL_NO_CRYPTO_MDEBUG) && !defined(FIPS_MODE)\n if (call_malloc_debug) {\n CRYPTO_mem_debug_free(str, 0, file, line);\n free(str);\n CRYPTO_mem_debug_free(str, 1, file, line);\n } else {\n free(str);\n }\n#else\n free(str);\n#endif\n}'] |
21,028 | 0 | https://github.com/libav/libav/blob/daf98908118074e96199ca7195663af4543d3808/libavfilter/avfilter.c/#L76 | void avfilter_unref_buffer(AVFilterBufferRef *ref)
{
if (!ref)
return;
if (!(--ref->buf->refcount))
ref->buf->free(ref->buf);
av_free(ref->video);
av_free(ref->audio);
av_free(ref);
} | ['static void end_frame(AVFilterLink *link)\n{\n UnsharpContext *unsharp = link->dst->priv;\n AVFilterBufferRef *in = link->cur_buf;\n AVFilterBufferRef *out = link->dst->outputs[0]->out_buf;\n int cw = SHIFTUP(link->w, unsharp->hsub);\n int ch = SHIFTUP(link->h, unsharp->vsub);\n apply_unsharp(out->data[0], out->linesize[0], in->data[0], in->linesize[0], link->w, link->h, &unsharp->luma);\n apply_unsharp(out->data[1], out->linesize[1], in->data[1], in->linesize[1], cw, ch, &unsharp->chroma);\n apply_unsharp(out->data[2], out->linesize[2], in->data[2], in->linesize[2], cw, ch, &unsharp->chroma);\n avfilter_unref_buffer(in);\n avfilter_draw_slice(link->dst->outputs[0], 0, link->h, 1);\n avfilter_end_frame(link->dst->outputs[0]);\n avfilter_unref_buffer(out);\n}', 'void avfilter_unref_buffer(AVFilterBufferRef *ref)\n{\n if (!ref)\n return;\n if (!(--ref->buf->refcount))\n ref->buf->free(ref->buf);\n av_free(ref->video);\n av_free(ref->audio);\n av_free(ref);\n}'] |
21,029 | 0 | https://github.com/openssl/openssl/blob/95dc05bc6d0dfe0f3f3681f5e27afbc3f7a35eea/crypto/lhash/lhash.c/#L296 | void lh_doall_arg(LHASH *lh, void (*func)(), char *arg)
{
int i;
LHASH_NODE *a,*n;
for (i=lh->num_nodes-1; i>=0; i--)
{
a=lh->b[i];
while (a != NULL)
{
n=a->next;
func(a->data,arg);
a=n;
}
}
} | ['static int sv_body(char *hostname, int s, char *context)\n\t{\n\tchar *buf=NULL;\n\tfd_set readfds;\n\tint ret=1,width;\n\tint k,i;\n\tunsigned long l;\n\tSSL *con=NULL;\n\tBIO *sbio;\n\tif ((buf=Malloc(bufsize)) == NULL)\n\t\t{\n\t\tBIO_printf(bio_err,"out of memory\\n");\n\t\tgoto err;\n\t\t}\n#ifdef FIONBIO\n\tif (s_nbio)\n\t\t{\n\t\tunsigned long sl=1;\n\t\tif (!s_quiet)\n\t\t\tBIO_printf(bio_err,"turning on non blocking io\\n");\n\t\tif (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)\n\t\t\tERR_print_errors(bio_err);\n\t\t}\n#endif\n\tif (con == NULL) {\n\t\tcon=(SSL *)SSL_new(ctx);\n\t\tif(context)\n\t\t SSL_set_session_id_context(con, context, strlen(context));\n\t}\n\tSSL_clear(con);\n\tsbio=BIO_new_socket(s,BIO_NOCLOSE);\n\tif (s_nbio_test)\n\t\t{\n\t\tBIO *test;\n\t\ttest=BIO_new(BIO_f_nbio_test());\n\t\tsbio=BIO_push(test,sbio);\n\t\t}\n\tSSL_set_bio(con,sbio,sbio);\n\tSSL_set_accept_state(con);\n\tif (s_debug)\n\t\t{\n\t\tcon->debug=1;\n\t\tBIO_set_callback(SSL_get_rbio(con),bio_dump_cb);\n\t\tBIO_set_callback_arg(SSL_get_rbio(con),bio_s_out);\n\t\t}\n\twidth=s+1;\n\tfor (;;)\n\t\t{\n\t\tFD_ZERO(&readfds);\n#ifndef WINDOWS\n\t\tFD_SET(fileno(stdin),&readfds);\n#endif\n\t\tFD_SET(s,&readfds);\n\t\ti=select(width,&readfds,NULL,NULL,NULL);\n\t\tif (i <= 0) continue;\n\t\tif (FD_ISSET(fileno(stdin),&readfds))\n\t\t\t{\n\t\t\ti=read(fileno(stdin),buf,bufsize);\n\t\t\tif (!s_quiet)\n\t\t\t\t{\n\t\t\t\tif ((i <= 0) || (buf[0] == \'Q\'))\n\t\t\t\t\t{\n\t\t\t\t\tBIO_printf(bio_s_out,"DONE\\n");\n\t\t\t\t\tSHUTDOWN(s);\n\t\t\t\t\tclose_accept_socket();\n\t\t\t\t\tret= -11;\n\t\t\t\t\tgoto err;\n\t\t\t\t\t}\n\t\t\t\tif ((i <= 0) || (buf[0] == \'q\'))\n\t\t\t\t\t{\n\t\t\t\t\tBIO_printf(bio_s_out,"DONE\\n");\n\t\t\t\t\tSHUTDOWN(s);\n\t\t\t\t\tgoto err;\n\t\t\t\t\t}\n\t\t\t\tif ((buf[0] == \'r\') &&\n\t\t\t\t\t((buf[1] == \'\\n\') || (buf[1] == \'\\r\')))\n\t\t\t\t\t{\n\t\t\t\t\tSSL_renegotiate(con);\n\t\t\t\t\ti=SSL_do_handshake(con);\n\t\t\t\t\tprintf("SSL_do_handshake -> %d\\n",i);\n\t\t\t\t\ti=0;\n\t\t\t\t\tcontinue;\n\t\t\t\t\t}\n\t\t\t\tif ((buf[0] == \'R\') &&\n\t\t\t\t\t((buf[1] == \'\\n\') || (buf[1] == \'\\r\')))\n\t\t\t\t\t{\n\t\t\t\t\tSSL_set_verify(con,\n\t\t\t\t\t\tSSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);\n\t\t\t\t\tSSL_renegotiate(con);\n\t\t\t\t\ti=SSL_do_handshake(con);\n\t\t\t\t\tprintf("SSL_do_handshake -> %d\\n",i);\n\t\t\t\t\ti=0;\n\t\t\t\t\tcontinue;\n\t\t\t\t\t}\n\t\t\t\tif (buf[0] == \'P\')\n\t\t\t\t\t{\n\t\t\t\t\tstatic char *str="Lets print some clear text\\n";\n\t\t\t\t\tBIO_write(SSL_get_wbio(con),str,strlen(str));\n\t\t\t\t\t}\n\t\t\t\tif (buf[0] == \'S\')\n\t\t\t\t\t{\n\t\t\t\t\tprint_stats(bio_s_out,SSL_get_SSL_CTX(con));\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\tl=k=0;\n\t\t\tfor (;;)\n\t\t\t\t{\n#ifdef RENEG\n{ static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }\n#endif\n\t\t\t\tk=SSL_write(con,&(buf[l]),(unsigned int)i);\n\t\t\t\tswitch (SSL_get_error(con,k))\n\t\t\t\t\t{\n\t\t\t\tcase SSL_ERROR_NONE:\n\t\t\t\t\tbreak;\n\t\t\t\tcase SSL_ERROR_WANT_WRITE:\n\t\t\t\tcase SSL_ERROR_WANT_READ:\n\t\t\t\tcase SSL_ERROR_WANT_X509_LOOKUP:\n\t\t\t\t\tBIO_printf(bio_s_out,"Write BLOCK\\n");\n\t\t\t\t\tbreak;\n\t\t\t\tcase SSL_ERROR_SYSCALL:\n\t\t\t\tcase SSL_ERROR_SSL:\n\t\t\t\t\tBIO_printf(bio_s_out,"ERROR\\n");\n\t\t\t\t\tERR_print_errors(bio_err);\n\t\t\t\t\tret=1;\n\t\t\t\t\tgoto err;\n\t\t\t\tcase SSL_ERROR_ZERO_RETURN:\n\t\t\t\t\tBIO_printf(bio_s_out,"DONE\\n");\n\t\t\t\t\tret=1;\n\t\t\t\t\tgoto err;\n\t\t\t\t\t}\n\t\t\t\tl+=k;\n\t\t\t\ti-=k;\n\t\t\t\tif (i <= 0) break;\n\t\t\t\t}\n\t\t\t}\n\t\tif (FD_ISSET(s,&readfds))\n\t\t\t{\n\t\t\tif (!SSL_is_init_finished(con))\n\t\t\t\t{\n\t\t\t\ti=init_ssl_connection(con);\n\t\t\t\tif (i < 0)\n\t\t\t\t\t{\n\t\t\t\t\tret=0;\n\t\t\t\t\tgoto err;\n\t\t\t\t\t}\n\t\t\t\telse if (i == 0)\n\t\t\t\t\t{\n\t\t\t\t\tret=1;\n\t\t\t\t\tgoto err;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\nagain:\n\t\t\t\ti=SSL_read(con,(char *)buf,bufsize);\n\t\t\t\tswitch (SSL_get_error(con,i))\n\t\t\t\t\t{\n\t\t\t\tcase SSL_ERROR_NONE:\n\t\t\t\t\twrite(fileno(stdout),buf,\n\t\t\t\t\t\t(unsigned int)i);\n\t\t\t\t\tif (SSL_pending(con)) goto again;\n\t\t\t\t\tbreak;\n\t\t\t\tcase SSL_ERROR_WANT_WRITE:\n\t\t\t\tcase SSL_ERROR_WANT_READ:\n\t\t\t\tcase SSL_ERROR_WANT_X509_LOOKUP:\n\t\t\t\t\tBIO_printf(bio_s_out,"Read BLOCK\\n");\n\t\t\t\t\tbreak;\n\t\t\t\tcase SSL_ERROR_SYSCALL:\n\t\t\t\tcase SSL_ERROR_SSL:\n\t\t\t\t\tBIO_printf(bio_s_out,"ERROR\\n");\n\t\t\t\t\tERR_print_errors(bio_err);\n\t\t\t\t\tret=1;\n\t\t\t\t\tgoto err;\n\t\t\t\tcase SSL_ERROR_ZERO_RETURN:\n\t\t\t\t\tBIO_printf(bio_s_out,"DONE\\n");\n\t\t\t\t\tret=1;\n\t\t\t\t\tgoto err;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\nerr:\n\tBIO_printf(bio_s_out,"shutting down SSL\\n");\n#if 1\n\tSSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);\n#else\n\tSSL_shutdown(con);\n#endif\n\tif (con != NULL) SSL_free(con);\n\tBIO_printf(bio_s_out,"CONNECTION CLOSED\\n");\n\tif (buf != NULL)\n\t\t{\n\t\tmemset(buf,0,bufsize);\n\t\tFree(buf);\n\t\t}\n\tif (ret >= 0)\n\t\tBIO_printf(bio_s_out,"ACCEPT\\n");\n\treturn(ret);\n\t}', 'SSL *SSL_new(SSL_CTX *ctx)\n\t{\n\tSSL *s;\n\tif (ctx == NULL)\n\t\t{\n\t\tSSLerr(SSL_F_SSL_NEW,SSL_R_NULL_SSL_CTX);\n\t\treturn(NULL);\n\t\t}\n\tif (ctx->method == NULL)\n\t\t{\n\t\tSSLerr(SSL_F_SSL_NEW,SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION);\n\t\treturn(NULL);\n\t\t}\n\ts=(SSL *)Malloc(sizeof(SSL));\n\tif (s == NULL) goto err;\n\tmemset(s,0,sizeof(SSL));\n\tif (ctx->default_cert != NULL)\n\t\t{\n\t\tCRYPTO_add(&ctx->default_cert->references,1,\n\t\t\t CRYPTO_LOCK_SSL_CERT);\n\t\ts->cert=ctx->default_cert;\n\t\t}\n\telse\n\t\ts->cert=NULL;\n\ts->verify_mode=ctx->verify_mode;\n\ts->verify_callback=ctx->default_verify_callback;\n\tCRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);\n\ts->ctx=ctx;\n\ts->verify_result=X509_V_OK;\n\ts->method=ctx->method;\n\tif (!s->method->ssl_new(s))\n\t\t{\n\t\tSSL_CTX_free(ctx);\n\t\tFree(s);\n\t\tgoto err;\n\t\t}\n\ts->quiet_shutdown=ctx->quiet_shutdown;\n\ts->references=1;\n\ts->server=(ctx->method->ssl_accept == ssl_undefined_function)?0:1;\n\ts->options=ctx->options;\n\tSSL_clear(s);\n\tCRYPTO_new_ex_data(ssl_meth,(char *)s,&s->ex_data);\n\treturn(s);\nerr:\n\tSSLerr(SSL_F_SSL_NEW,ERR_R_MALLOC_FAILURE);\n\treturn(NULL);\n\t}', 'int SSL_clear(SSL *s)\n\t{\n\tint state;\n\tif (s->method == NULL)\n\t\t{\n\t\tSSLerr(SSL_F_SSL_CLEAR,SSL_R_NO_METHOD_SPECIFIED);\n\t\treturn(0);\n\t\t}\n\ts->error=0;\n\ts->hit=0;\n\ts->shutdown=0;\n#if 0\n\tif (s->new_session) return(1);\n#endif\n\tstate=s->state;\n\ts->type=0;\n\ts->state=SSL_ST_BEFORE|((s->server)?SSL_ST_ACCEPT:SSL_ST_CONNECT);\n\ts->version=s->method->version;\n\ts->client_version=s->version;\n\ts->rwstate=SSL_NOTHING;\n\ts->rstate=SSL_ST_READ_HEADER;\n\ts->read_ahead=s->ctx->read_ahead;\n\tif (s->init_buf != NULL)\n\t\t{\n\t\tBUF_MEM_free(s->init_buf);\n\t\ts->init_buf=NULL;\n\t\t}\n\tssl_clear_cipher_ctx(s);\n\tif (ssl_clear_bad_session(s))\n\t\t{\n\t\tSSL_SESSION_free(s->session);\n\t\ts->session=NULL;\n\t\t}\n\ts->first_packet=0;\n#if 1\n\tif ((s->session == NULL) && (s->method != s->ctx->method))\n\t\t{\n\t\ts->method->ssl_free(s);\n\t\ts->method=s->ctx->method;\n\t\tif (!s->method->ssl_new(s))\n\t\t\treturn(0);\n\t\t}\n\telse\n#endif\n\t\ts->method->ssl_clear(s);\n\treturn(1);\n\t}', 'void SSL_free(SSL *s)\n\t{\n\tint i;\n\tif(s == NULL)\n\t return;\n\ti=CRYPTO_add(&s->references,-1,CRYPTO_LOCK_SSL);\n#ifdef REF_PRINT\n\tREF_PRINT("SSL",s);\n#endif\n\tif (i > 0) return;\n#ifdef REF_CHECK\n\tif (i < 0)\n\t\t{\n\t\tfprintf(stderr,"SSL_free, bad reference count\\n");\n\t\tabort();\n\t\t}\n#endif\n\tCRYPTO_free_ex_data(ssl_meth,(char *)s,&s->ex_data);\n\tif (s->bbio != NULL)\n\t\t{\n\t\tif (s->bbio == s->wbio)\n\t\t\t{\n\t\t\ts->wbio=BIO_pop(s->wbio);\n\t\t\t}\n\t\tBIO_free(s->bbio);\n\t\ts->bbio=NULL;\n\t\t}\n\tif (s->rbio != NULL)\n\t\tBIO_free_all(s->rbio);\n\tif ((s->wbio != NULL) && (s->wbio != s->rbio))\n\t\tBIO_free_all(s->wbio);\n\tif (s->init_buf != NULL) BUF_MEM_free(s->init_buf);\n\tif (s->cipher_list != NULL) sk_SSL_CIPHER_free(s->cipher_list);\n\tif (s->cipher_list_by_id != NULL) sk_SSL_CIPHER_free(s->cipher_list_by_id);\n\tif (s->session != NULL)\n\t\t{\n\t\tssl_clear_bad_session(s);\n\t\tSSL_SESSION_free(s->session);\n\t\t}\n\tssl_clear_cipher_ctx(s);\n\tif (s->cert != NULL) ssl_cert_free(s->cert);\n\tif (s->ctx) SSL_CTX_free(s->ctx);\n\tif (s->client_CA != NULL)\n\t\tsk_X509_NAME_pop_free(s->client_CA,X509_NAME_free);\n\tif (s->method != NULL) s->method->ssl_free(s);\n\tFree((char *)s);\n\t}', 'void X509_STORE_free(X509_STORE *vfy)\n\t{\n\tint i;\n\tSTACK *sk;\n\tX509_LOOKUP *lu;\n\tif(vfy == NULL)\n\t return;\n\tsk=vfy->get_cert_methods;\n\tfor (i=0; i<sk_num(sk); i++)\n\t\t{\n\t\tlu=(X509_LOOKUP *)sk_value(sk,i);\n\t\tX509_LOOKUP_shutdown(lu);\n\t\tX509_LOOKUP_free(lu);\n\t\t}\n\tsk_free(sk);\n\tCRYPTO_free_ex_data(x509_store_meth,(char *)vfy,&vfy->ex_data);\n\tlh_doall(vfy->certs,cleanup);\n\tlh_free(vfy->certs);\n\tFree(vfy);\n\t}', 'void lh_doall(LHASH *lh, void (*func)())\n\t{\n\tlh_doall_arg(lh,func,NULL);\n\t}', 'void lh_doall_arg(LHASH *lh, void (*func)(), char *arg)\n\t{\n\tint i;\n\tLHASH_NODE *a,*n;\n\tfor (i=lh->num_nodes-1; i>=0; i--)\n\t\t{\n\t\ta=lh->b[i];\n\t\twhile (a != NULL)\n\t\t\t{\n\t\t\tn=a->next;\n\t\t\tfunc(a->data,arg);\n\t\t\ta=n;\n\t\t\t}\n\t\t}\n\t}'] |
21,030 | 0 | https://github.com/openssl/openssl/blob/e02c519cd32a55e6ad39a0cfbeeda775f9115f28/crypto/bn/bn_ctx.c/#L348 | static void BN_POOL_release(BN_POOL *p, unsigned int num)
{
unsigned int offset = (p->used - 1) % BN_CTX_POOL_SIZE;
p->used -= num;
while (num--) {
bn_check_top(p->current->vals + offset);
if (offset == 0) {
offset = BN_CTX_POOL_SIZE - 1;
p->current = p->current->prev;
} else
offset--;
}
} | ['static\nint ec_GF2m_simple_points_mul(const EC_GROUP *group, EC_POINT *r,\n const BIGNUM *scalar, size_t num,\n const EC_POINT *points[],\n const BIGNUM *scalars[],\n BN_CTX *ctx)\n{\n int ret = 0;\n EC_POINT *t = NULL;\n if (num > 1 || BN_is_zero(group->order) || BN_is_zero(group->cofactor))\n return ec_wNAF_mul(group, r, scalar, num, points, scalars, ctx);\n if (scalar != NULL && num == 0)\n return ec_scalar_mul_ladder(group, r, scalar, NULL, ctx);\n if (scalar == NULL && num == 1)\n return ec_scalar_mul_ladder(group, r, scalars[0], points[0], ctx);\n if ((t = EC_POINT_new(group)) == NULL) {\n ECerr(EC_F_EC_GF2M_SIMPLE_POINTS_MUL, ERR_R_MALLOC_FAILURE);\n return 0;\n }\n if (!ec_scalar_mul_ladder(group, t, scalar, NULL, ctx)\n || !ec_scalar_mul_ladder(group, r, scalars[0], points[0], ctx)\n || !EC_POINT_add(group, r, t, r, ctx))\n goto err;\n ret = 1;\n err:\n EC_POINT_free(t);\n return ret;\n}', 'int ec_scalar_mul_ladder(const EC_GROUP *group, EC_POINT *r,\n const BIGNUM *scalar, const EC_POINT *point,\n BN_CTX *ctx)\n{\n int i, cardinality_bits, group_top, kbit, pbit, Z_is_one;\n EC_POINT *p = NULL;\n EC_POINT *s = NULL;\n BIGNUM *k = NULL;\n BIGNUM *lambda = NULL;\n BIGNUM *cardinality = NULL;\n int ret = 0;\n if (point != NULL && EC_POINT_is_at_infinity(group, point))\n return EC_POINT_set_to_infinity(group, r);\n if (BN_is_zero(group->order)) {\n ECerr(EC_F_EC_SCALAR_MUL_LADDER, EC_R_UNKNOWN_ORDER);\n return 0;\n }\n if (BN_is_zero(group->cofactor)) {\n ECerr(EC_F_EC_SCALAR_MUL_LADDER, EC_R_UNKNOWN_COFACTOR);\n return 0;\n }\n BN_CTX_start(ctx);\n if (((p = EC_POINT_new(group)) == NULL)\n || ((s = EC_POINT_new(group)) == NULL)) {\n ECerr(EC_F_EC_SCALAR_MUL_LADDER, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n if (point == NULL) {\n if (!EC_POINT_copy(p, group->generator)) {\n ECerr(EC_F_EC_SCALAR_MUL_LADDER, ERR_R_EC_LIB);\n goto err;\n }\n } else {\n if (!EC_POINT_copy(p, point)) {\n ECerr(EC_F_EC_SCALAR_MUL_LADDER, ERR_R_EC_LIB);\n goto err;\n }\n }\n EC_POINT_BN_set_flags(p, BN_FLG_CONSTTIME);\n EC_POINT_BN_set_flags(r, BN_FLG_CONSTTIME);\n EC_POINT_BN_set_flags(s, BN_FLG_CONSTTIME);\n cardinality = BN_CTX_get(ctx);\n lambda = BN_CTX_get(ctx);\n k = BN_CTX_get(ctx);\n if (k == NULL) {\n ECerr(EC_F_EC_SCALAR_MUL_LADDER, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n if (!BN_mul(cardinality, group->order, group->cofactor, ctx)) {\n ECerr(EC_F_EC_SCALAR_MUL_LADDER, ERR_R_BN_LIB);\n goto err;\n }\n cardinality_bits = BN_num_bits(cardinality);\n group_top = bn_get_top(cardinality);\n if ((bn_wexpand(k, group_top + 1) == NULL)\n || (bn_wexpand(lambda, group_top + 1) == NULL)) {\n ECerr(EC_F_EC_SCALAR_MUL_LADDER, ERR_R_BN_LIB);\n goto err;\n }\n if (!BN_copy(k, scalar)) {\n ECerr(EC_F_EC_SCALAR_MUL_LADDER, ERR_R_BN_LIB);\n goto err;\n }\n BN_set_flags(k, BN_FLG_CONSTTIME);\n if ((BN_num_bits(k) > cardinality_bits) || (BN_is_negative(k))) {\n if (!BN_nnmod(k, k, cardinality, ctx)) {\n ECerr(EC_F_EC_SCALAR_MUL_LADDER, ERR_R_BN_LIB);\n goto err;\n }\n }\n if (!BN_add(lambda, k, cardinality)) {\n ECerr(EC_F_EC_SCALAR_MUL_LADDER, ERR_R_BN_LIB);\n goto err;\n }\n BN_set_flags(lambda, BN_FLG_CONSTTIME);\n if (!BN_add(k, lambda, cardinality)) {\n ECerr(EC_F_EC_SCALAR_MUL_LADDER, ERR_R_BN_LIB);\n goto err;\n }\n kbit = BN_is_bit_set(lambda, cardinality_bits);\n BN_consttime_swap(kbit, k, lambda, group_top + 1);\n group_top = bn_get_top(group->field);\n if ((bn_wexpand(s->X, group_top) == NULL)\n || (bn_wexpand(s->Y, group_top) == NULL)\n || (bn_wexpand(s->Z, group_top) == NULL)\n || (bn_wexpand(r->X, group_top) == NULL)\n || (bn_wexpand(r->Y, group_top) == NULL)\n || (bn_wexpand(r->Z, group_top) == NULL)\n || (bn_wexpand(p->X, group_top) == NULL)\n || (bn_wexpand(p->Y, group_top) == NULL)\n || (bn_wexpand(p->Z, group_top) == NULL)) {\n ECerr(EC_F_EC_SCALAR_MUL_LADDER, ERR_R_BN_LIB);\n goto err;\n }\n if (!ec_point_blind_coordinates(group, p, ctx)) {\n ECerr(EC_F_EC_SCALAR_MUL_LADDER, EC_R_POINT_COORDINATES_BLIND_FAILURE);\n goto err;\n }\n if (!ec_point_ladder_pre(group, r, s, p, ctx)) {\n ECerr(EC_F_EC_SCALAR_MUL_LADDER, EC_R_LADDER_PRE_FAILURE);\n goto err;\n }\n pbit = 1;\n#define EC_POINT_CSWAP(c, a, b, w, t) do { \\\n BN_consttime_swap(c, (a)->X, (b)->X, w); \\\n BN_consttime_swap(c, (a)->Y, (b)->Y, w); \\\n BN_consttime_swap(c, (a)->Z, (b)->Z, w); \\\n t = ((a)->Z_is_one ^ (b)->Z_is_one) & (c); \\\n (a)->Z_is_one ^= (t); \\\n (b)->Z_is_one ^= (t); \\\n} while(0)\n for (i = cardinality_bits - 1; i >= 0; i--) {\n kbit = BN_is_bit_set(k, i) ^ pbit;\n EC_POINT_CSWAP(kbit, r, s, group_top, Z_is_one);\n if (!ec_point_ladder_step(group, r, s, p, ctx)) {\n ECerr(EC_F_EC_SCALAR_MUL_LADDER, EC_R_LADDER_STEP_FAILURE);\n goto err;\n }\n pbit ^= kbit;\n }\n EC_POINT_CSWAP(pbit, r, s, group_top, Z_is_one);\n#undef EC_POINT_CSWAP\n if (!ec_point_ladder_post(group, r, s, p, ctx)) {\n ECerr(EC_F_EC_SCALAR_MUL_LADDER, EC_R_LADDER_POST_FAILURE);\n goto err;\n }\n ret = 1;\n err:\n EC_POINT_free(p);\n EC_POINT_free(s);\n BN_CTX_end(ctx);\n return ret;\n}', 'BIGNUM *BN_CTX_get(BN_CTX *ctx)\n{\n BIGNUM *ret;\n CTXDBG_ENTRY("BN_CTX_get", ctx);\n if (ctx->err_stack || ctx->too_many)\n return NULL;\n if ((ret = BN_POOL_get(&ctx->pool, ctx->flags)) == NULL) {\n ctx->too_many = 1;\n BNerr(BN_F_BN_CTX_GET, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n return NULL;\n }\n BN_zero(ret);\n ctx->used++;\n CTXDBG_RET(ctx, ret);\n return ret;\n}', 'int BN_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)\n{\n int ret = bn_mul_fixed_top(r, a, b, ctx);\n bn_correct_top(r);\n bn_check_top(r);\n return ret;\n}', 'int bn_mul_fixed_top(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)\n{\n int ret = 0;\n int top, al, bl;\n BIGNUM *rr;\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\n int i;\n#endif\n#ifdef BN_RECURSION\n BIGNUM *t = NULL;\n int j = 0, k;\n#endif\n bn_check_top(a);\n bn_check_top(b);\n bn_check_top(r);\n al = a->top;\n bl = b->top;\n if ((al == 0) || (bl == 0)) {\n BN_zero(r);\n return 1;\n }\n top = al + bl;\n BN_CTX_start(ctx);\n if ((r == a) || (r == b)) {\n if ((rr = BN_CTX_get(ctx)) == NULL)\n goto err;\n } else\n rr = r;\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\n i = al - bl;\n#endif\n#ifdef BN_MUL_COMBA\n if (i == 0) {\n# if 0\n if (al == 4) {\n if (bn_wexpand(rr, 8) == NULL)\n goto err;\n rr->top = 8;\n bn_mul_comba4(rr->d, a->d, b->d);\n goto end;\n }\n# endif\n if (al == 8) {\n if (bn_wexpand(rr, 16) == NULL)\n goto err;\n rr->top = 16;\n bn_mul_comba8(rr->d, a->d, b->d);\n goto end;\n }\n }\n#endif\n#ifdef BN_RECURSION\n if ((al >= BN_MULL_SIZE_NORMAL) && (bl >= BN_MULL_SIZE_NORMAL)) {\n if (i >= -1 && i <= 1) {\n if (i >= 0) {\n j = BN_num_bits_word((BN_ULONG)al);\n }\n if (i == -1) {\n j = BN_num_bits_word((BN_ULONG)bl);\n }\n j = 1 << (j - 1);\n assert(j <= al || j <= bl);\n k = j + j;\n t = BN_CTX_get(ctx);\n if (t == NULL)\n goto err;\n if (al > j || bl > j) {\n if (bn_wexpand(t, k * 4) == NULL)\n goto err;\n if (bn_wexpand(rr, k * 4) == NULL)\n goto err;\n bn_mul_part_recursive(rr->d, a->d, b->d,\n j, al - j, bl - j, t->d);\n } else {\n if (bn_wexpand(t, k * 2) == NULL)\n goto err;\n if (bn_wexpand(rr, k * 2) == NULL)\n goto err;\n bn_mul_recursive(rr->d, a->d, b->d, j, al - j, bl - j, t->d);\n }\n rr->top = top;\n goto end;\n }\n }\n#endif\n if (bn_wexpand(rr, top) == NULL)\n goto err;\n rr->top = top;\n bn_mul_normal(rr->d, a->d, al, b->d, bl);\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\n end:\n#endif\n rr->neg = a->neg ^ b->neg;\n rr->flags |= BN_FLG_FIXED_TOP;\n if (r != rr && BN_copy(r, rr) == NULL)\n goto err;\n ret = 1;\n err:\n bn_check_top(r);\n BN_CTX_end(ctx);\n return ret;\n}', 'void BN_CTX_end(BN_CTX *ctx)\n{\n CTXDBG_ENTRY("BN_CTX_end", ctx);\n if (ctx->err_stack)\n ctx->err_stack--;\n else {\n unsigned int fp = BN_STACK_pop(&ctx->stack);\n if (fp < ctx->used)\n BN_POOL_release(&ctx->pool, ctx->used - fp);\n ctx->used = fp;\n ctx->too_many = 0;\n }\n CTXDBG_EXIT(ctx);\n}', 'static void BN_POOL_release(BN_POOL *p, unsigned int num)\n{\n unsigned int offset = (p->used - 1) % BN_CTX_POOL_SIZE;\n p->used -= num;\n while (num--) {\n bn_check_top(p->current->vals + offset);\n if (offset == 0) {\n offset = BN_CTX_POOL_SIZE - 1;\n p->current = p->current->prev;\n } else\n offset--;\n }\n}'] |
21,031 | 0 | https://gitlab.com/libtiff/libtiff/blob/537cd1da1856d734a353511e063f755d77aae927/libtiff/tif_swab.c/#L113 | void
TIFFSwabArrayOfLong(register uint32* lp, tmsize_t n)
{
register unsigned char *cp;
register unsigned char t;
assert(sizeof(uint32)==4);
while (n-- > 0) {
cp = (unsigned char *)lp;
t = cp[3]; cp[3] = cp[0]; cp[0] = t;
t = cp[2]; cp[2] = cp[1]; cp[1] = t;
lp++;
}
} | ['static int\nwriteImageSections(TIFF *in, TIFF *out, struct image_data *image,\n\t\t struct pagedef *page, struct pageseg *sections,\n\t\t struct dump_opts * dump, unsigned char *src_buff,\n unsigned char **sect_buff_ptr)\n {\n double hres, vres;\n uint32 i, k, width, length, sectsize;\n unsigned char *sect_buff = *sect_buff_ptr;\n hres = page->hres;\n vres = page->vres;\n k = page->cols * page->rows;\n if ((k < 1) || (k > MAX_SECTIONS))\n {\n TIFFError("writeImageSections",\n\t "%d Rows and Columns exceed maximum sections\\nIncrease resolution or reduce sections", k);\n return (-1);\n }\n for (i = 0; i < k; i++)\n {\n width = sections[i].x2 - sections[i].x1 + 1;\n length = sections[i].y2 - sections[i].y1 + 1;\n sectsize = (uint32)\n\t ceil((width * image->bps + 7) / (double)8) * image->spp * length;\n if (createImageSection(sectsize, sect_buff_ptr))\n {\n TIFFError("writeImageSections", "Unable to allocate section buffer");\n exit (-1);\n }\n sect_buff = *sect_buff_ptr;\n if (extractImageSection (image, §ions[i], src_buff, sect_buff))\n {\n TIFFError("writeImageSections", "Unable to extract image sections");\n exit (-1);\n }\n if (writeSingleSection(in, out, image, dump, width, length, hres, vres, sect_buff))\n {\n TIFFError("writeImageSections", "Unable to write image section");\n exit (-1);\n }\n }\n return (0);\n }', 'static int\nwriteSingleSection(TIFF *in, TIFF *out, struct image_data *image,\n struct dump_opts *dump, uint32 width, uint32 length,\n double hres, double vres,\n unsigned char *sect_buff)\n {\n uint16 bps, spp;\n uint16 input_compression, input_photometric;\n uint16 input_planar;\n struct cpTag* p;\n input_compression = image->compression;\n input_photometric = image->photometric;\n spp = image->spp;\n bps = image->bps;\n TIFFSetField(out, TIFFTAG_IMAGEWIDTH, width);\n TIFFSetField(out, TIFFTAG_IMAGELENGTH, length);\n TIFFSetField(out, TIFFTAG_BITSPERSAMPLE, bps);\n TIFFSetField(out, TIFFTAG_SAMPLESPERPIXEL, spp);\n#ifdef DEBUG2\n TIFFError("writeSingleSection", "Input compression: %s",\n\t (input_compression == COMPRESSION_OJPEG) ? "Old Jpeg" :\n\t ((input_compression == COMPRESSION_JPEG) ? "New Jpeg" : "Non Jpeg"));\n#endif\n if (compression != (uint16)-1)\n TIFFSetField(out, TIFFTAG_COMPRESSION, compression);\n else\n {\n if (input_compression == COMPRESSION_OJPEG)\n {\n compression = COMPRESSION_JPEG;\n jpegcolormode = JPEGCOLORMODE_RAW;\n TIFFSetField(out, TIFFTAG_COMPRESSION, COMPRESSION_JPEG);\n }\n else\n CopyField(TIFFTAG_COMPRESSION, compression);\n }\n if (compression == COMPRESSION_JPEG)\n {\n if ((input_photometric == PHOTOMETRIC_PALETTE) ||\n (input_photometric == PHOTOMETRIC_MASK))\n {\n TIFFError ("writeSingleSection",\n "JPEG compression cannot be used with %s image data",\n\t\t (input_photometric == PHOTOMETRIC_PALETTE) ?\n "palette" : "mask");\n return (-1);\n }\n if ((input_photometric == PHOTOMETRIC_RGB) &&\n\t(jpegcolormode == JPEGCOLORMODE_RGB))\n TIFFSetField(out, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_YCBCR);\n else\n\tTIFFSetField(out, TIFFTAG_PHOTOMETRIC, input_photometric);\n }\n else\n {\n if (compression == COMPRESSION_SGILOG || compression == COMPRESSION_SGILOG24)\n TIFFSetField(out, TIFFTAG_PHOTOMETRIC, spp == 1 ?\n\t\t\tPHOTOMETRIC_LOGL : PHOTOMETRIC_LOGLUV);\n else\n TIFFSetField(out, TIFFTAG_PHOTOMETRIC, image->photometric);\n }\n#ifdef DEBUG2\n TIFFError("writeSingleSection", "Input photometric: %s",\n\t (input_photometric == PHOTOMETRIC_RGB) ? "RGB" :\n\t ((input_photometric == PHOTOMETRIC_YCBCR) ? "YCbCr" : "Not RGB or YCbCr"));\n#endif\n if (((input_photometric == PHOTOMETRIC_LOGL) ||\n (input_photometric == PHOTOMETRIC_LOGLUV)) &&\n ((compression != COMPRESSION_SGILOG) &&\n (compression != COMPRESSION_SGILOG24)))\n {\n TIFFError("writeSingleSection",\n "LogL and LogLuv source data require SGI_LOG or SGI_LOG24 compression");\n return (-1);\n }\n if (fillorder != 0)\n TIFFSetField(out, TIFFTAG_FILLORDER, fillorder);\n else\n CopyTag(TIFFTAG_FILLORDER, 1, TIFF_SHORT);\n TIFFSetField(out, TIFFTAG_ORIENTATION, image->orientation);\n if (outtiled == -1)\n outtiled = TIFFIsTiled(in);\n if (outtiled) {\n if (tilewidth == (uint32) 0)\n TIFFGetField(in, TIFFTAG_TILEWIDTH, &tilewidth);\n if (tilelength == (uint32) 0)\n TIFFGetField(in, TIFFTAG_TILELENGTH, &tilelength);\n if (tilewidth == 0 || tilelength == 0)\n TIFFDefaultTileSize(out, &tilewidth, &tilelength);\n TIFFDefaultTileSize(out, &tilewidth, &tilelength);\n TIFFSetField(out, TIFFTAG_TILEWIDTH, tilewidth);\n TIFFSetField(out, TIFFTAG_TILELENGTH, tilelength);\n } else {\n\tif (rowsperstrip == (uint32) 0)\n {\n\t if (!TIFFGetField(in, TIFFTAG_ROWSPERSTRIP, &rowsperstrip))\n\t rowsperstrip = TIFFDefaultStripSize(out, rowsperstrip);\n if (compression != COMPRESSION_JPEG)\n {\n \t if (rowsperstrip > length)\n\t rowsperstrip = length;\n\t }\n\t }\n\telse\n if (rowsperstrip == (uint32) -1)\n\t rowsperstrip = length;\n\tTIFFSetField(out, TIFFTAG_ROWSPERSTRIP, rowsperstrip);\n\t}\n TIFFGetFieldDefaulted(in, TIFFTAG_PLANARCONFIG, &input_planar);\n if (config != (uint16) -1)\n TIFFSetField(out, TIFFTAG_PLANARCONFIG, config);\n else\n CopyField(TIFFTAG_PLANARCONFIG, config);\n if (spp <= 4)\n CopyTag(TIFFTAG_TRANSFERFUNCTION, 4, TIFF_SHORT);\n CopyTag(TIFFTAG_COLORMAP, 4, TIFF_SHORT);\n switch (compression) {\n case COMPRESSION_JPEG:\n if (((bps % 8) == 0) || ((bps % 12) == 0))\n\t {\n TIFFSetField(out, TIFFTAG_JPEGQUALITY, quality);\n\t TIFFSetField(out, TIFFTAG_JPEGCOLORMODE, JPEGCOLORMODE_RGB);\n }\n else\n {\n\t TIFFError("writeSingleSection",\n "JPEG compression requires 8 or 12 bits per sample");\n return (-1);\n }\n\t break;\n case COMPRESSION_LZW:\n case COMPRESSION_ADOBE_DEFLATE:\n case COMPRESSION_DEFLATE:\n\tif (predictor != (uint16)-1)\n TIFFSetField(out, TIFFTAG_PREDICTOR, predictor);\n\telse\n\t CopyField(TIFFTAG_PREDICTOR, predictor);\n\tbreak;\n case COMPRESSION_CCITTFAX3:\n case COMPRESSION_CCITTFAX4:\n\tif (compression == COMPRESSION_CCITTFAX3) {\n if (g3opts != (uint32) -1)\n\t TIFFSetField(out, TIFFTAG_GROUP3OPTIONS, g3opts);\n\t else\n\t CopyField(TIFFTAG_GROUP3OPTIONS, g3opts);\n\t} else {\n\t CopyTag(TIFFTAG_GROUP4OPTIONS, 1, TIFF_LONG);\n }\n CopyTag(TIFFTAG_BADFAXLINES, 1, TIFF_LONG);\n CopyTag(TIFFTAG_CLEANFAXDATA, 1, TIFF_LONG);\n CopyTag(TIFFTAG_CONSECUTIVEBADFAXLINES, 1, TIFF_LONG);\n CopyTag(TIFFTAG_FAXRECVPARAMS, 1, TIFF_LONG);\n CopyTag(TIFFTAG_FAXRECVTIME, 1, TIFF_LONG);\n CopyTag(TIFFTAG_FAXSUBADDRESS, 1, TIFF_ASCII);\n\tbreak;\n }\n { uint32 len32;\n void** data;\n if (TIFFGetField(in, TIFFTAG_ICCPROFILE, &len32, &data))\n TIFFSetField(out, TIFFTAG_ICCPROFILE, len32, data);\n }\n { uint16 ninks;\n const char* inknames;\n if (TIFFGetField(in, TIFFTAG_NUMBEROFINKS, &ninks)) {\n TIFFSetField(out, TIFFTAG_NUMBEROFINKS, ninks);\n if (TIFFGetField(in, TIFFTAG_INKNAMES, &inknames)) {\n\t int inknameslen = strlen(inknames) + 1;\n\t const char* cp = inknames;\n\t while (ninks > 1) {\n\t cp = strchr(cp, \'\\0\');\n\t if (cp) {\n\t cp++;\n\t inknameslen += (strlen(cp) + 1);\n\t }\n\t ninks--;\n }\n\t TIFFSetField(out, TIFFTAG_INKNAMES, inknameslen, inknames);\n }\n }\n }\n {\n unsigned short pg0, pg1;\n if (TIFFGetField(in, TIFFTAG_PAGENUMBER, &pg0, &pg1)) {\n if (pageNum < 0)\n\tTIFFSetField(out, TIFFTAG_PAGENUMBER, pg0, pg1);\n else\n\tTIFFSetField(out, TIFFTAG_PAGENUMBER, pageNum++, 0);\n }\n }\n for (p = tags; p < &tags[NTAGS]; p++)\n\t\tCopyTag(p->tag, p->count, p->type);\n TIFFSetField(out, TIFFTAG_XRESOLUTION, (float)hres);\n TIFFSetField(out, TIFFTAG_YRESOLUTION, (float)vres);\n if (outtiled)\n {\n if (config == PLANARCONFIG_CONTIG)\n writeBufferToContigTiles (out, sect_buff, length, width, spp, dump);\n else\n writeBufferToSeparateTiles (out, sect_buff, length, width, spp, dump);\n }\n else\n {\n if (config == PLANARCONFIG_CONTIG)\n writeBufferToContigStrips (out, sect_buff, length);\n else\n writeBufferToSeparateStrips(out, sect_buff, length, width, spp, dump);\n }\n if (!TIFFWriteDirectory(out))\n {\n TIFFClose(out);\n return (-1);\n }\n return (0);\n }', 'static int writeBufferToContigStrips(TIFF* out, uint8* buf, uint32 imagelength)\n {\n uint32 row, nrows, rowsperstrip;\n tstrip_t strip = 0;\n tsize_t stripsize;\n TIFFGetFieldDefaulted(out, TIFFTAG_ROWSPERSTRIP, &rowsperstrip);\n for (row = 0; row < imagelength; row += rowsperstrip)\n {\n nrows = (row + rowsperstrip > imagelength) ?\n\t imagelength - row : rowsperstrip;\n stripsize = TIFFVStripSize(out, nrows);\n if (TIFFWriteEncodedStrip(out, strip++, buf, stripsize) < 0)\n {\n TIFFError(TIFFFileName(out), "Error, can\'t write strip %u", strip - 1);\n return 1;\n }\n buf += stripsize;\n }\n return 0;\n }', 'int\nTIFFGetFieldDefaulted(TIFF* tif, uint32 tag, ...)\n{\n\tint ok;\n\tva_list ap;\n\tva_start(ap, tag);\n\tok = TIFFVGetFieldDefaulted(tif, tag, ap);\n\tva_end(ap);\n\treturn (ok);\n}', 'int\nTIFFVGetFieldDefaulted(TIFF* tif, uint32 tag, va_list ap)\n{\n\tTIFFDirectory *td = &tif->tif_dir;\n\tif (TIFFVGetField(tif, tag, ap))\n\t\treturn (1);\n\tswitch (tag) {\n\tcase TIFFTAG_SUBFILETYPE:\n\t\t*va_arg(ap, uint32 *) = td->td_subfiletype;\n\t\treturn (1);\n\tcase TIFFTAG_BITSPERSAMPLE:\n\t\t*va_arg(ap, uint16 *) = td->td_bitspersample;\n\t\treturn (1);\n\tcase TIFFTAG_THRESHHOLDING:\n\t\t*va_arg(ap, uint16 *) = td->td_threshholding;\n\t\treturn (1);\n\tcase TIFFTAG_FILLORDER:\n\t\t*va_arg(ap, uint16 *) = td->td_fillorder;\n\t\treturn (1);\n\tcase TIFFTAG_ORIENTATION:\n\t\t*va_arg(ap, uint16 *) = td->td_orientation;\n\t\treturn (1);\n\tcase TIFFTAG_SAMPLESPERPIXEL:\n\t\t*va_arg(ap, uint16 *) = td->td_samplesperpixel;\n\t\treturn (1);\n\tcase TIFFTAG_ROWSPERSTRIP:\n\t\t*va_arg(ap, uint32 *) = td->td_rowsperstrip;\n\t\treturn (1);\n\tcase TIFFTAG_MINSAMPLEVALUE:\n\t\t*va_arg(ap, uint16 *) = td->td_minsamplevalue;\n\t\treturn (1);\n\tcase TIFFTAG_MAXSAMPLEVALUE:\n\t\t*va_arg(ap, uint16 *) = td->td_maxsamplevalue;\n\t\treturn (1);\n\tcase TIFFTAG_PLANARCONFIG:\n\t\t*va_arg(ap, uint16 *) = td->td_planarconfig;\n\t\treturn (1);\n\tcase TIFFTAG_RESOLUTIONUNIT:\n\t\t*va_arg(ap, uint16 *) = td->td_resolutionunit;\n\t\treturn (1);\n\tcase TIFFTAG_PREDICTOR:\n {\n TIFFPredictorState* sp = (TIFFPredictorState*) tif->tif_data;\n if( sp == NULL )\n {\n TIFFErrorExt(tif->tif_clientdata, tif->tif_name,\n "Cannot get \\"Predictor\\" tag as plugin is not configured");\n *va_arg(ap, uint16*) = 0;\n return 0;\n }\n *va_arg(ap, uint16*) = (uint16) sp->predictor;\n return 1;\n }\n\tcase TIFFTAG_DOTRANGE:\n\t\t*va_arg(ap, uint16 *) = 0;\n\t\t*va_arg(ap, uint16 *) = (1<<td->td_bitspersample)-1;\n\t\treturn (1);\n\tcase TIFFTAG_INKSET:\n\t\t*va_arg(ap, uint16 *) = INKSET_CMYK;\n\t\treturn 1;\n\tcase TIFFTAG_NUMBEROFINKS:\n\t\t*va_arg(ap, uint16 *) = 4;\n\t\treturn (1);\n\tcase TIFFTAG_EXTRASAMPLES:\n\t\t*va_arg(ap, uint16 *) = td->td_extrasamples;\n\t\t*va_arg(ap, uint16 **) = td->td_sampleinfo;\n\t\treturn (1);\n\tcase TIFFTAG_MATTEING:\n\t\t*va_arg(ap, uint16 *) =\n\t\t (td->td_extrasamples == 1 &&\n\t\t td->td_sampleinfo[0] == EXTRASAMPLE_ASSOCALPHA);\n\t\treturn (1);\n\tcase TIFFTAG_TILEDEPTH:\n\t\t*va_arg(ap, uint32 *) = td->td_tiledepth;\n\t\treturn (1);\n\tcase TIFFTAG_DATATYPE:\n\t\t*va_arg(ap, uint16 *) = td->td_sampleformat-1;\n\t\treturn (1);\n\tcase TIFFTAG_SAMPLEFORMAT:\n\t\t*va_arg(ap, uint16 *) = td->td_sampleformat;\n return(1);\n\tcase TIFFTAG_IMAGEDEPTH:\n\t\t*va_arg(ap, uint32 *) = td->td_imagedepth;\n\t\treturn (1);\n\tcase TIFFTAG_YCBCRCOEFFICIENTS:\n\t\t{\n\t\t\tstatic float ycbcrcoeffs[] = { 0.299f, 0.587f, 0.114f };\n\t\t\t*va_arg(ap, float **) = ycbcrcoeffs;\n\t\t\treturn 1;\n\t\t}\n\tcase TIFFTAG_YCBCRSUBSAMPLING:\n\t\t*va_arg(ap, uint16 *) = td->td_ycbcrsubsampling[0];\n\t\t*va_arg(ap, uint16 *) = td->td_ycbcrsubsampling[1];\n\t\treturn (1);\n\tcase TIFFTAG_YCBCRPOSITIONING:\n\t\t*va_arg(ap, uint16 *) = td->td_ycbcrpositioning;\n\t\treturn (1);\n\tcase TIFFTAG_WHITEPOINT:\n\t\t{\n\t\t\tstatic float whitepoint[2];\n\t\t\twhitepoint[0] =\tD50_X0 / (D50_X0 + D50_Y0 + D50_Z0);\n\t\t\twhitepoint[1] =\tD50_Y0 / (D50_X0 + D50_Y0 + D50_Z0);\n\t\t\t*va_arg(ap, float **) = whitepoint;\n\t\t\treturn 1;\n\t\t}\n\tcase TIFFTAG_TRANSFERFUNCTION:\n\t\tif (!td->td_transferfunction[0] &&\n\t\t !TIFFDefaultTransferFunction(td)) {\n\t\t\tTIFFErrorExt(tif->tif_clientdata, tif->tif_name, "No space for \\"TransferFunction\\" tag");\n\t\t\treturn (0);\n\t\t}\n\t\t*va_arg(ap, uint16 **) = td->td_transferfunction[0];\n\t\tif (td->td_samplesperpixel - td->td_extrasamples > 1) {\n\t\t\t*va_arg(ap, uint16 **) = td->td_transferfunction[1];\n\t\t\t*va_arg(ap, uint16 **) = td->td_transferfunction[2];\n\t\t}\n\t\treturn (1);\n\tcase TIFFTAG_REFERENCEBLACKWHITE:\n\t\tif (!td->td_refblackwhite && !TIFFDefaultRefBlackWhite(td))\n\t\t\treturn (0);\n\t\t*va_arg(ap, float **) = td->td_refblackwhite;\n\t\treturn (1);\n\t}\n\treturn 0;\n}', 'int\nTIFFWriteDirectory(TIFF* tif)\n{\n\treturn TIFFWriteDirectorySec(tif,TRUE,TRUE,NULL);\n}', 'static int\nTIFFWriteDirectorySec(TIFF* tif, int isimage, int imagedone, uint64* pdiroff)\n{\n\tstatic const char module[] = "TIFFWriteDirectorySec";\n\tuint32 ndir;\n\tTIFFDirEntry* dir;\n\tuint32 dirsize;\n\tvoid* dirmem;\n\tuint32 m;\n\tif (tif->tif_mode == O_RDONLY)\n\t\treturn (1);\n _TIFFFillStriles( tif );\n\tif (imagedone)\n\t{\n\t\tif (tif->tif_flags & TIFF_POSTENCODE)\n\t\t{\n\t\t\ttif->tif_flags &= ~TIFF_POSTENCODE;\n\t\t\tif (!(*tif->tif_postencode)(tif))\n\t\t\t{\n\t\t\t\tTIFFErrorExt(tif->tif_clientdata,module,\n\t\t\t\t "Error post-encoding before directory write");\n\t\t\t\treturn (0);\n\t\t\t}\n\t\t}\n\t\t(*tif->tif_close)(tif);\n\t\tif (tif->tif_rawcc > 0\n\t\t && (tif->tif_flags & TIFF_BEENWRITING) != 0 )\n\t\t{\n\t\t if( !TIFFFlushData1(tif) )\n {\n\t\t\tTIFFErrorExt(tif->tif_clientdata, module,\n\t\t\t "Error flushing data before directory write");\n\t\t\treturn (0);\n }\n\t\t}\n\t\tif ((tif->tif_flags & TIFF_MYBUFFER) && tif->tif_rawdata)\n\t\t{\n\t\t\t_TIFFfree(tif->tif_rawdata);\n\t\t\ttif->tif_rawdata = NULL;\n\t\t\ttif->tif_rawcc = 0;\n\t\t\ttif->tif_rawdatasize = 0;\n tif->tif_rawdataoff = 0;\n tif->tif_rawdataloaded = 0;\n\t\t}\n\t\ttif->tif_flags &= ~(TIFF_BEENWRITING|TIFF_BUFFERSETUP);\n\t}\n\tdir=NULL;\n\tdirmem=NULL;\n\tdirsize=0;\n\twhile (1)\n\t{\n\t\tndir=0;\n\t\tif (isimage)\n\t\t{\n\t\t\tif (TIFFFieldSet(tif,FIELD_IMAGEDIMENSIONS))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShortLong(tif,&ndir,dir,TIFFTAG_IMAGEWIDTH,tif->tif_dir.td_imagewidth))\n\t\t\t\t\tgoto bad;\n\t\t\t\tif (!TIFFWriteDirectoryTagShortLong(tif,&ndir,dir,TIFFTAG_IMAGELENGTH,tif->tif_dir.td_imagelength))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_TILEDIMENSIONS))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShortLong(tif,&ndir,dir,TIFFTAG_TILEWIDTH,tif->tif_dir.td_tilewidth))\n\t\t\t\t\tgoto bad;\n\t\t\t\tif (!TIFFWriteDirectoryTagShortLong(tif,&ndir,dir,TIFFTAG_TILELENGTH,tif->tif_dir.td_tilelength))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_RESOLUTION))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagRational(tif,&ndir,dir,TIFFTAG_XRESOLUTION,tif->tif_dir.td_xresolution))\n\t\t\t\t\tgoto bad;\n\t\t\t\tif (!TIFFWriteDirectoryTagRational(tif,&ndir,dir,TIFFTAG_YRESOLUTION,tif->tif_dir.td_yresolution))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_POSITION))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagRational(tif,&ndir,dir,TIFFTAG_XPOSITION,tif->tif_dir.td_xposition))\n\t\t\t\t\tgoto bad;\n\t\t\t\tif (!TIFFWriteDirectoryTagRational(tif,&ndir,dir,TIFFTAG_YPOSITION,tif->tif_dir.td_yposition))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_SUBFILETYPE))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagLong(tif,&ndir,dir,TIFFTAG_SUBFILETYPE,tif->tif_dir.td_subfiletype))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_BITSPERSAMPLE))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShortPerSample(tif,&ndir,dir,TIFFTAG_BITSPERSAMPLE,tif->tif_dir.td_bitspersample))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_COMPRESSION))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_COMPRESSION,tif->tif_dir.td_compression))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_PHOTOMETRIC))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_PHOTOMETRIC,tif->tif_dir.td_photometric))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_THRESHHOLDING))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_THRESHHOLDING,tif->tif_dir.td_threshholding))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_FILLORDER))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_FILLORDER,tif->tif_dir.td_fillorder))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_ORIENTATION))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_ORIENTATION,tif->tif_dir.td_orientation))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_SAMPLESPERPIXEL))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_SAMPLESPERPIXEL,tif->tif_dir.td_samplesperpixel))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_ROWSPERSTRIP))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShortLong(tif,&ndir,dir,TIFFTAG_ROWSPERSTRIP,tif->tif_dir.td_rowsperstrip))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_MINSAMPLEVALUE))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShortPerSample(tif,&ndir,dir,TIFFTAG_MINSAMPLEVALUE,tif->tif_dir.td_minsamplevalue))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_MAXSAMPLEVALUE))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShortPerSample(tif,&ndir,dir,TIFFTAG_MAXSAMPLEVALUE,tif->tif_dir.td_maxsamplevalue))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_PLANARCONFIG))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_PLANARCONFIG,tif->tif_dir.td_planarconfig))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_RESOLUTIONUNIT))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_RESOLUTIONUNIT,tif->tif_dir.td_resolutionunit))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_PAGENUMBER))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShortArray(tif,&ndir,dir,TIFFTAG_PAGENUMBER,2,&tif->tif_dir.td_pagenumber[0]))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_STRIPBYTECOUNTS))\n\t\t\t{\n\t\t\t\tif (!isTiled(tif))\n\t\t\t\t{\n\t\t\t\t\tif (!TIFFWriteDirectoryTagLongLong8Array(tif,&ndir,dir,TIFFTAG_STRIPBYTECOUNTS,tif->tif_dir.td_nstrips,tif->tif_dir.td_stripbytecount))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t}\n\t\t\t\telse\n\t\t\t\t{\n\t\t\t\t\tif (!TIFFWriteDirectoryTagLongLong8Array(tif,&ndir,dir,TIFFTAG_TILEBYTECOUNTS,tif->tif_dir.td_nstrips,tif->tif_dir.td_stripbytecount))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t}\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_STRIPOFFSETS))\n\t\t\t{\n\t\t\t\tif (!isTiled(tif))\n\t\t\t\t{\n if (tif->tif_dir.td_stripoffset != NULL &&\n !TIFFWriteDirectoryTagLongLong8Array(tif,&ndir,dir,TIFFTAG_STRIPOFFSETS,tif->tif_dir.td_nstrips,tif->tif_dir.td_stripoffset))\n goto bad;\n\t\t\t\t}\n\t\t\t\telse\n\t\t\t\t{\n\t\t\t\t\tif (!TIFFWriteDirectoryTagLongLong8Array(tif,&ndir,dir,TIFFTAG_TILEOFFSETS,tif->tif_dir.td_nstrips,tif->tif_dir.td_stripoffset))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t}\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_COLORMAP))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagColormap(tif,&ndir,dir))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_EXTRASAMPLES))\n\t\t\t{\n\t\t\t\tif (tif->tif_dir.td_extrasamples)\n\t\t\t\t{\n\t\t\t\t\tuint16 na;\n\t\t\t\t\tuint16* nb;\n\t\t\t\t\tTIFFGetFieldDefaulted(tif,TIFFTAG_EXTRASAMPLES,&na,&nb);\n\t\t\t\t\tif (!TIFFWriteDirectoryTagShortArray(tif,&ndir,dir,TIFFTAG_EXTRASAMPLES,na,nb))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t}\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_SAMPLEFORMAT))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShortPerSample(tif,&ndir,dir,TIFFTAG_SAMPLEFORMAT,tif->tif_dir.td_sampleformat))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_SMINSAMPLEVALUE))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagSampleformatArray(tif,&ndir,dir,TIFFTAG_SMINSAMPLEVALUE,tif->tif_dir.td_samplesperpixel,tif->tif_dir.td_sminsamplevalue))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_SMAXSAMPLEVALUE))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagSampleformatArray(tif,&ndir,dir,TIFFTAG_SMAXSAMPLEVALUE,tif->tif_dir.td_samplesperpixel,tif->tif_dir.td_smaxsamplevalue))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_IMAGEDEPTH))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagLong(tif,&ndir,dir,TIFFTAG_IMAGEDEPTH,tif->tif_dir.td_imagedepth))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_TILEDEPTH))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagLong(tif,&ndir,dir,TIFFTAG_TILEDEPTH,tif->tif_dir.td_tiledepth))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_HALFTONEHINTS))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShortArray(tif,&ndir,dir,TIFFTAG_HALFTONEHINTS,2,&tif->tif_dir.td_halftonehints[0]))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_YCBCRSUBSAMPLING))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShortArray(tif,&ndir,dir,TIFFTAG_YCBCRSUBSAMPLING,2,&tif->tif_dir.td_ycbcrsubsampling[0]))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_YCBCRPOSITIONING))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_YCBCRPOSITIONING,tif->tif_dir.td_ycbcrpositioning))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_REFBLACKWHITE))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagRationalArray(tif,&ndir,dir,TIFFTAG_REFERENCEBLACKWHITE,6,tif->tif_dir.td_refblackwhite))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_TRANSFERFUNCTION))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagTransferfunction(tif,&ndir,dir))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_INKNAMES))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagAscii(tif,&ndir,dir,TIFFTAG_INKNAMES,tif->tif_dir.td_inknameslen,tif->tif_dir.td_inknames))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_SUBIFD))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagSubifd(tif,&ndir,dir))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\t{\n\t\t\t\tuint32 n;\n\t\t\t\tfor (n=0; n<tif->tif_nfields; n++) {\n\t\t\t\t\tconst TIFFField* o;\n\t\t\t\t\to = tif->tif_fields[n];\n\t\t\t\t\tif ((o->field_bit>=FIELD_CODEC)&&(TIFFFieldSet(tif,o->field_bit)))\n\t\t\t\t\t{\n\t\t\t\t\t\tswitch (o->get_field_type)\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\tcase TIFF_SETGET_ASCII:\n\t\t\t\t\t\t\t\t{\n\t\t\t\t\t\t\t\t\tuint32 pa;\n\t\t\t\t\t\t\t\t\tchar* pb;\n\t\t\t\t\t\t\t\t\tassert(o->field_type==TIFF_ASCII);\n\t\t\t\t\t\t\t\t\tassert(o->field_readcount==TIFF_VARIABLE);\n\t\t\t\t\t\t\t\t\tassert(o->field_passcount==0);\n\t\t\t\t\t\t\t\t\tTIFFGetField(tif,o->field_tag,&pb);\n\t\t\t\t\t\t\t\t\tpa=(uint32)(strlen(pb));\n\t\t\t\t\t\t\t\t\tif (!TIFFWriteDirectoryTagAscii(tif,&ndir,dir,(uint16)o->field_tag,pa,pb))\n\t\t\t\t\t\t\t\t\t\tgoto bad;\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t\tcase TIFF_SETGET_UINT16:\n\t\t\t\t\t\t\t\t{\n\t\t\t\t\t\t\t\t\tuint16 p;\n\t\t\t\t\t\t\t\t\tassert(o->field_type==TIFF_SHORT);\n\t\t\t\t\t\t\t\t\tassert(o->field_readcount==1);\n\t\t\t\t\t\t\t\t\tassert(o->field_passcount==0);\n\t\t\t\t\t\t\t\t\tTIFFGetField(tif,o->field_tag,&p);\n\t\t\t\t\t\t\t\t\tif (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,(uint16)o->field_tag,p))\n\t\t\t\t\t\t\t\t\t\tgoto bad;\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t\tcase TIFF_SETGET_UINT32:\n\t\t\t\t\t\t\t\t{\n\t\t\t\t\t\t\t\t\tuint32 p;\n\t\t\t\t\t\t\t\t\tassert(o->field_type==TIFF_LONG);\n\t\t\t\t\t\t\t\t\tassert(o->field_readcount==1);\n\t\t\t\t\t\t\t\t\tassert(o->field_passcount==0);\n\t\t\t\t\t\t\t\t\tTIFFGetField(tif,o->field_tag,&p);\n\t\t\t\t\t\t\t\t\tif (!TIFFWriteDirectoryTagLong(tif,&ndir,dir,(uint16)o->field_tag,p))\n\t\t\t\t\t\t\t\t\t\tgoto bad;\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t\tcase TIFF_SETGET_C32_UINT8:\n\t\t\t\t\t\t\t\t{\n\t\t\t\t\t\t\t\t\tuint32 pa;\n\t\t\t\t\t\t\t\t\tvoid* pb;\n\t\t\t\t\t\t\t\t\tassert(o->field_type==TIFF_UNDEFINED);\n\t\t\t\t\t\t\t\t\tassert(o->field_readcount==TIFF_VARIABLE2);\n\t\t\t\t\t\t\t\t\tassert(o->field_passcount==1);\n\t\t\t\t\t\t\t\t\tTIFFGetField(tif,o->field_tag,&pa,&pb);\n\t\t\t\t\t\t\t\t\tif (!TIFFWriteDirectoryTagUndefinedArray(tif,&ndir,dir,(uint16)o->field_tag,pa,pb))\n\t\t\t\t\t\t\t\t\t\tgoto bad;\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\t\tassert(0);\n\t\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\tfor (m=0; m<(uint32)(tif->tif_dir.td_customValueCount); m++)\n\t\t{\n uint16 tag = (uint16)tif->tif_dir.td_customValues[m].info->field_tag;\n uint32 count = tif->tif_dir.td_customValues[m].count;\n\t\t\tswitch (tif->tif_dir.td_customValues[m].info->field_type)\n\t\t\t{\n\t\t\t\tcase TIFF_ASCII:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagAscii(tif,&ndir,dir,tag,count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_UNDEFINED:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagUndefinedArray(tif,&ndir,dir,tag,count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_BYTE:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagByteArray(tif,&ndir,dir,tag,count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_SBYTE:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagSbyteArray(tif,&ndir,dir,tag,count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_SHORT:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagShortArray(tif,&ndir,dir,tag,count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_SSHORT:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagSshortArray(tif,&ndir,dir,tag,count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_LONG:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagLongArray(tif,&ndir,dir,tag,count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_SLONG:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagSlongArray(tif,&ndir,dir,tag,count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_LONG8:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagLong8Array(tif,&ndir,dir,tag,count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_SLONG8:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagSlong8Array(tif,&ndir,dir,tag,count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_RATIONAL:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagRationalArray(tif,&ndir,dir,tag,count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_SRATIONAL:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagSrationalArray(tif,&ndir,dir,tag,count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_FLOAT:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagFloatArray(tif,&ndir,dir,tag,count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_DOUBLE:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagDoubleArray(tif,&ndir,dir,tag,count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_IFD:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagIfdArray(tif,&ndir,dir,tag,count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_IFD8:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagIfdIfd8Array(tif,&ndir,dir,tag,count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tdefault:\n\t\t\t\t\tassert(0);\n\t\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\t\tif (dir!=NULL)\n\t\t\tbreak;\n\t\tdir=_TIFFmalloc(ndir*sizeof(TIFFDirEntry));\n\t\tif (dir==NULL)\n\t\t{\n\t\t\tTIFFErrorExt(tif->tif_clientdata,module,"Out of memory");\n\t\t\tgoto bad;\n\t\t}\n\t\tif (isimage)\n\t\t{\n\t\t\tif ((tif->tif_diroff==0)&&(!TIFFLinkDirectory(tif)))\n\t\t\t\tgoto bad;\n\t\t}\n\t\telse\n\t\t\ttif->tif_diroff=(TIFFSeekFile(tif,0,SEEK_END)+1)&(~((toff_t)1));\n\t\tif (pdiroff!=NULL)\n\t\t\t*pdiroff=tif->tif_diroff;\n\t\tif (!(tif->tif_flags&TIFF_BIGTIFF))\n\t\t\tdirsize=2+ndir*12+4;\n\t\telse\n\t\t\tdirsize=8+ndir*20+8;\n\t\ttif->tif_dataoff=tif->tif_diroff+dirsize;\n\t\tif (!(tif->tif_flags&TIFF_BIGTIFF))\n\t\t\ttif->tif_dataoff=(uint32)tif->tif_dataoff;\n\t\tif ((tif->tif_dataoff<tif->tif_diroff)||(tif->tif_dataoff<(uint64)dirsize))\n\t\t{\n\t\t\tTIFFErrorExt(tif->tif_clientdata,module,"Maximum TIFF file size exceeded");\n\t\t\tgoto bad;\n\t\t}\n\t\tif (tif->tif_dataoff&1)\n\t\t\ttif->tif_dataoff++;\n\t\tif (isimage)\n\t\t\ttif->tif_curdir++;\n\t}\n\tif (isimage)\n\t{\n\t\tif (TIFFFieldSet(tif,FIELD_SUBIFD)&&(tif->tif_subifdoff==0))\n\t\t{\n\t\t\tuint32 na;\n\t\t\tTIFFDirEntry* nb;\n\t\t\tfor (na=0, nb=dir; ; na++, nb++)\n\t\t\t{\n\t\t\t\tassert(na<ndir);\n\t\t\t\tif (nb->tdir_tag==TIFFTAG_SUBIFD)\n\t\t\t\t\tbreak;\n\t\t\t}\n\t\t\tif (!(tif->tif_flags&TIFF_BIGTIFF))\n\t\t\t\ttif->tif_subifdoff=tif->tif_diroff+2+na*12+8;\n\t\t\telse\n\t\t\t\ttif->tif_subifdoff=tif->tif_diroff+8+na*20+12;\n\t\t}\n\t}\n\tdirmem=_TIFFmalloc(dirsize);\n\tif (dirmem==NULL)\n\t{\n\t\tTIFFErrorExt(tif->tif_clientdata,module,"Out of memory");\n\t\tgoto bad;\n\t}\n\tif (!(tif->tif_flags&TIFF_BIGTIFF))\n\t{\n\t\tuint8* n;\n\t\tuint32 nTmp;\n\t\tTIFFDirEntry* o;\n\t\tn=dirmem;\n\t\t*(uint16*)n=(uint16)ndir;\n\t\tif (tif->tif_flags&TIFF_SWAB)\n\t\t\tTIFFSwabShort((uint16*)n);\n\t\tn+=2;\n\t\to=dir;\n\t\tfor (m=0; m<ndir; m++)\n\t\t{\n\t\t\t*(uint16*)n=o->tdir_tag;\n\t\t\tif (tif->tif_flags&TIFF_SWAB)\n\t\t\t\tTIFFSwabShort((uint16*)n);\n\t\t\tn+=2;\n\t\t\t*(uint16*)n=o->tdir_type;\n\t\t\tif (tif->tif_flags&TIFF_SWAB)\n\t\t\t\tTIFFSwabShort((uint16*)n);\n\t\t\tn+=2;\n\t\t\tnTmp = (uint32)o->tdir_count;\n\t\t\t_TIFFmemcpy(n,&nTmp,4);\n\t\t\tif (tif->tif_flags&TIFF_SWAB)\n\t\t\t\tTIFFSwabLong((uint32*)n);\n\t\t\tn+=4;\n\t\t\t_TIFFmemcpy(n,&o->tdir_offset,4);\n\t\t\tn+=4;\n\t\t\to++;\n\t\t}\n\t\tnTmp = (uint32)tif->tif_nextdiroff;\n\t\tif (tif->tif_flags&TIFF_SWAB)\n\t\t\tTIFFSwabLong(&nTmp);\n\t\t_TIFFmemcpy(n,&nTmp,4);\n\t}\n\telse\n\t{\n\t\tuint8* n;\n\t\tTIFFDirEntry* o;\n\t\tn=dirmem;\n\t\t*(uint64*)n=ndir;\n\t\tif (tif->tif_flags&TIFF_SWAB)\n\t\t\tTIFFSwabLong8((uint64*)n);\n\t\tn+=8;\n\t\to=dir;\n\t\tfor (m=0; m<ndir; m++)\n\t\t{\n\t\t\t*(uint16*)n=o->tdir_tag;\n\t\t\tif (tif->tif_flags&TIFF_SWAB)\n\t\t\t\tTIFFSwabShort((uint16*)n);\n\t\t\tn+=2;\n\t\t\t*(uint16*)n=o->tdir_type;\n\t\t\tif (tif->tif_flags&TIFF_SWAB)\n\t\t\t\tTIFFSwabShort((uint16*)n);\n\t\t\tn+=2;\n\t\t\t_TIFFmemcpy(n,&o->tdir_count,8);\n\t\t\tif (tif->tif_flags&TIFF_SWAB)\n\t\t\t\tTIFFSwabLong8((uint64*)n);\n\t\t\tn+=8;\n\t\t\t_TIFFmemcpy(n,&o->tdir_offset,8);\n\t\t\tn+=8;\n\t\t\to++;\n\t\t}\n\t\t_TIFFmemcpy(n,&tif->tif_nextdiroff,8);\n\t\tif (tif->tif_flags&TIFF_SWAB)\n\t\t\tTIFFSwabLong8((uint64*)n);\n\t}\n\t_TIFFfree(dir);\n\tdir=NULL;\n\tif (!SeekOK(tif,tif->tif_diroff))\n\t{\n\t\tTIFFErrorExt(tif->tif_clientdata,module,"IO error writing directory");\n\t\tgoto bad;\n\t}\n\tif (!WriteOK(tif,dirmem,(tmsize_t)dirsize))\n\t{\n\t\tTIFFErrorExt(tif->tif_clientdata,module,"IO error writing directory");\n\t\tgoto bad;\n\t}\n\t_TIFFfree(dirmem);\n\tif (imagedone)\n\t{\n\t\tTIFFFreeDirectory(tif);\n\t\ttif->tif_flags &= ~TIFF_DIRTYDIRECT;\n\t\ttif->tif_flags &= ~TIFF_DIRTYSTRIP;\n\t\t(*tif->tif_cleanup)(tif);\n\t\tTIFFCreateDirectory(tif);\n\t}\n\treturn(1);\nbad:\n\tif (dir!=NULL)\n\t\t_TIFFfree(dir);\n\tif (dirmem!=NULL)\n\t\t_TIFFfree(dirmem);\n\treturn(0);\n}', 'static int\nTIFFWriteDirectoryTagSampleformatArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, double* value)\n{\n\tstatic const char module[] = "TIFFWriteDirectoryTagSampleformatArray";\n\tvoid* conv;\n\tuint32 i;\n\tint ok;\n\tconv = _TIFFmalloc(count*sizeof(double));\n\tif (conv == NULL)\n\t{\n\t\tTIFFErrorExt(tif->tif_clientdata, module, "Out of memory");\n\t\treturn (0);\n\t}\n\tswitch (tif->tif_dir.td_sampleformat)\n\t{\n\t\tcase SAMPLEFORMAT_IEEEFP:\n\t\t\tif (tif->tif_dir.td_bitspersample<=32)\n\t\t\t{\n\t\t\t\tfor (i = 0; i < count; ++i)\n\t\t\t\t\t((float*)conv)[i] = TIFFClampDoubleToFloat(value[i]);\n\t\t\t\tok = TIFFWriteDirectoryTagFloatArray(tif,ndir,dir,tag,count,(float*)conv);\n\t\t\t}\n\t\t\telse\n\t\t\t{\n\t\t\t\tok = TIFFWriteDirectoryTagDoubleArray(tif,ndir,dir,tag,count,value);\n\t\t\t}\n\t\t\tbreak;\n\t\tcase SAMPLEFORMAT_INT:\n\t\t\tif (tif->tif_dir.td_bitspersample<=8)\n\t\t\t{\n\t\t\t\tfor (i = 0; i < count; ++i)\n\t\t\t\t\t((int8*)conv)[i] = TIFFClampDoubleToInt8(value[i]);\n\t\t\t\tok = TIFFWriteDirectoryTagSbyteArray(tif,ndir,dir,tag,count,(int8*)conv);\n\t\t\t}\n\t\t\telse if (tif->tif_dir.td_bitspersample<=16)\n\t\t\t{\n\t\t\t\tfor (i = 0; i < count; ++i)\n\t\t\t\t\t((int16*)conv)[i] = TIFFClampDoubleToInt16(value[i]);\n\t\t\t\tok = TIFFWriteDirectoryTagSshortArray(tif,ndir,dir,tag,count,(int16*)conv);\n\t\t\t}\n\t\t\telse\n\t\t\t{\n\t\t\t\tfor (i = 0; i < count; ++i)\n\t\t\t\t\t((int32*)conv)[i] = TIFFClampDoubleToInt32(value[i]);\n\t\t\t\tok = TIFFWriteDirectoryTagSlongArray(tif,ndir,dir,tag,count,(int32*)conv);\n\t\t\t}\n\t\t\tbreak;\n\t\tcase SAMPLEFORMAT_UINT:\n\t\t\tif (tif->tif_dir.td_bitspersample<=8)\n\t\t\t{\n\t\t\t\tfor (i = 0; i < count; ++i)\n\t\t\t\t\t((uint8*)conv)[i] = TIFFClampDoubleToUInt8(value[i]);\n\t\t\t\tok = TIFFWriteDirectoryTagByteArray(tif,ndir,dir,tag,count,(uint8*)conv);\n\t\t\t}\n\t\t\telse if (tif->tif_dir.td_bitspersample<=16)\n\t\t\t{\n\t\t\t\tfor (i = 0; i < count; ++i)\n\t\t\t\t\t((uint16*)conv)[i] = TIFFClampDoubleToUInt16(value[i]);\n\t\t\t\tok = TIFFWriteDirectoryTagShortArray(tif,ndir,dir,tag,count,(uint16*)conv);\n\t\t\t}\n\t\t\telse\n\t\t\t{\n\t\t\t\tfor (i = 0; i < count; ++i)\n\t\t\t\t\t((uint32*)conv)[i] = TIFFClampDoubleToUInt32(value[i]);\n\t\t\t\tok = TIFFWriteDirectoryTagLongArray(tif,ndir,dir,tag,count,(uint32*)conv);\n\t\t\t}\n\t\t\tbreak;\n\t\tdefault:\n\t\t\tok = 0;\n\t}\n\t_TIFFfree(conv);\n\treturn (ok);\n}', 'void*\n_TIFFmalloc(tmsize_t s)\n{\n if (s == 0)\n return ((void *) NULL);\n\treturn (malloc((size_t) s));\n}', 'static int\nTIFFWriteDirectoryTagSlongArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, int32* value)\n{\n\tif (dir==NULL)\n\t{\n\t\t(*ndir)++;\n\t\treturn(1);\n\t}\n\treturn(TIFFWriteDirectoryTagCheckedSlongArray(tif,ndir,dir,tag,count,value));\n}', 'static int\nTIFFWriteDirectoryTagCheckedSlongArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, int32* value)\n{\n\tassert(count<0x40000000);\n\tassert(sizeof(int32)==4);\n\tif (tif->tif_flags&TIFF_SWAB)\n\t\tTIFFSwabArrayOfLong((uint32*)value,count);\n\treturn(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_SLONG,count,count*4,value));\n}', 'void\nTIFFSwabArrayOfLong(register uint32* lp, tmsize_t n)\n{\n\tregister unsigned char *cp;\n\tregister unsigned char t;\n\tassert(sizeof(uint32)==4);\n\twhile (n-- > 0) {\n\t\tcp = (unsigned char *)lp;\n\t\tt = cp[3]; cp[3] = cp[0]; cp[0] = t;\n\t\tt = cp[2]; cp[2] = cp[1]; cp[1] = t;\n\t\tlp++;\n\t}\n}'] |
21,032 | 0 | https://github.com/openssl/openssl/blob/3ba25ee86a3758cc659c954b59718d8397030768/crypto/objects/obj_dat.c/#L465 | int OBJ_obj2txt(char *buf, int buf_len, const ASN1_OBJECT *a, int no_name)
{
int i,idx=0,n=0,len,nid;
unsigned long l;
unsigned char *p;
const char *s;
char tbuf[32];
if (buf_len <= 0) return(0);
if ((a == NULL) || (a->data == NULL)) {
buf[0]='\0';
return(0);
}
nid=OBJ_obj2nid(a);
if ((nid == NID_undef) || no_name) {
len=a->length;
p=a->data;
idx=0;
l=0;
while (idx < a->length) {
l|=(p[idx]&0x7f);
if (!(p[idx] & 0x80)) break;
l<<=7L;
idx++;
}
idx++;
i=(int)(l/40);
if (i > 2) i=2;
l-=(long)(i*40);
sprintf(tbuf,"%d.%lu",i,l);
i=strlen(tbuf);
strncpy(buf,tbuf,buf_len);
buf_len-=i;
buf+=i;
n+=i;
l=0;
for (; idx<len; idx++) {
l|=p[idx]&0x7f;
if (!(p[idx] & 0x80)) {
sprintf(tbuf,".%lu",l);
i=strlen(tbuf);
if (buf_len > 0)
strncpy(buf,tbuf,buf_len);
buf_len-=i;
buf+=i;
n+=i;
l=0;
}
l<<=7L;
}
} else {
s=OBJ_nid2ln(nid);
if (s == NULL)
s=OBJ_nid2sn(nid);
strncpy(buf,s,buf_len);
n=strlen(s);
}
buf[buf_len-1]='\0';
return(n);
} | ['static int do_name_ex(char_io *io_ch, void *arg, X509_NAME *n,\n\t\t\t\tint indent, unsigned long flags)\n{\n\tint i, prev = -1, orflags, cnt;\n\tint fn_opt, fn_nid;\n\tASN1_OBJECT *fn;\n\tASN1_STRING *val;\n\tX509_NAME_ENTRY *ent;\n\tchar objtmp[80];\n\tconst char *objbuf;\n\tint outlen, len;\n\tchar *sep_dn, *sep_mv, *sep_eq;\n\tint sep_dn_len, sep_mv_len, sep_eq_len;\n\tif(indent < 0) indent = 0;\n\toutlen = indent;\n\tif(!do_indent(io_ch, arg, indent)) return -1;\n\tswitch (flags & XN_FLAG_SEP_MASK)\n\t{\n\t\tcase XN_FLAG_SEP_MULTILINE:\n\t\tsep_dn = "\\n";\n\t\tsep_dn_len = 1;\n\t\tsep_mv = " + ";\n\t\tsep_mv_len = 3;\n\t\tbreak;\n\t\tcase XN_FLAG_SEP_COMMA_PLUS:\n\t\tsep_dn = ",";\n\t\tsep_dn_len = 1;\n\t\tsep_mv = "+";\n\t\tsep_mv_len = 1;\n\t\tindent = 0;\n\t\tbreak;\n\t\tcase XN_FLAG_SEP_CPLUS_SPC:\n\t\tsep_dn = ", ";\n\t\tsep_dn_len = 2;\n\t\tsep_mv = " + ";\n\t\tsep_mv_len = 3;\n\t\tindent = 0;\n\t\tbreak;\n\t\tcase XN_FLAG_SEP_SPLUS_SPC:\n\t\tsep_dn = "; ";\n\t\tsep_dn_len = 2;\n\t\tsep_mv = " + ";\n\t\tsep_mv_len = 3;\n\t\tindent = 0;\n\t\tbreak;\n\t\tdefault:\n\t\treturn -1;\n\t}\n\tif(flags & XN_FLAG_SPC_EQ) {\n\t\tsep_eq = " = ";\n\t\tsep_eq_len = 3;\n\t} else {\n\t\tsep_eq = "=";\n\t\tsep_eq_len = 1;\n\t}\n\tfn_opt = flags & XN_FLAG_FN_MASK;\n\tcnt = X509_NAME_entry_count(n);\n\tfor(i = 0; i < cnt; i++) {\n\t\tif(flags & XN_FLAG_DN_REV)\n\t\t\t\tent = X509_NAME_get_entry(n, cnt - i - 1);\n\t\telse ent = X509_NAME_get_entry(n, i);\n\t\tif(prev != -1) {\n\t\t\tif(prev == ent->set) {\n\t\t\t\tif(!io_ch(arg, sep_mv, sep_mv_len)) return -1;\n\t\t\t\toutlen += sep_mv_len;\n\t\t\t} else {\n\t\t\t\tif(!io_ch(arg, sep_dn, sep_dn_len)) return -1;\n\t\t\t\toutlen += sep_dn_len;\n\t\t\t\tif(!do_indent(io_ch, arg, indent)) return -1;\n\t\t\t\toutlen += indent;\n\t\t\t}\n\t\t}\n\t\tprev = ent->set;\n\t\tfn = X509_NAME_ENTRY_get_object(ent);\n\t\tval = X509_NAME_ENTRY_get_data(ent);\n\t\tfn_nid = OBJ_obj2nid(fn);\n\t\tif(fn_opt != XN_FLAG_FN_NONE) {\n\t\t\tint objlen;\n\t\t\tif((fn_opt == XN_FLAG_FN_OID) || (fn_nid==NID_undef) ) {\n\t\t\t\tOBJ_obj2txt(objtmp, 80, fn, 1);\n\t\t\t\tobjbuf = objtmp;\n\t\t\t} else {\n\t\t\t\tif(fn_opt == XN_FLAG_FN_SN)\n\t\t\t\t\tobjbuf = OBJ_nid2sn(fn_nid);\n\t\t\t\telse if(fn_opt == XN_FLAG_FN_LN)\n\t\t\t\t\tobjbuf = OBJ_nid2ln(fn_nid);\n\t\t\t\telse objbuf = "";\n\t\t\t}\n\t\t\tobjlen = strlen(objbuf);\n\t\t\tif(!io_ch(arg, objbuf, objlen)) return -1;\n\t\t\tif(!io_ch(arg, sep_eq, sep_eq_len)) return -1;\n\t\t\toutlen += objlen + sep_eq_len;\n\t\t}\n\t\tif((fn_nid == NID_undef) && (flags & XN_FLAG_DUMP_UNKNOWN_FIELDS))\n\t\t\t\t\torflags = ASN1_STRFLGS_DUMP_ALL;\n\t\telse orflags = 0;\n\t\tlen = do_print_ex(io_ch, arg, flags | orflags, val);\n\t\tif(len < 0) return -1;\n\t\toutlen += len;\n\t}\n\treturn outlen;\n}', 'int OBJ_obj2txt(char *buf, int buf_len, const ASN1_OBJECT *a, int no_name)\n{\n\tint i,idx=0,n=0,len,nid;\n\tunsigned long l;\n\tunsigned char *p;\n\tconst char *s;\n\tchar tbuf[32];\n\tif (buf_len <= 0) return(0);\n\tif ((a == NULL) || (a->data == NULL)) {\n\t\tbuf[0]=\'\\0\';\n\t\treturn(0);\n\t}\n\tnid=OBJ_obj2nid(a);\n\tif ((nid == NID_undef) || no_name) {\n\t\tlen=a->length;\n\t\tp=a->data;\n\t\tidx=0;\n\t\tl=0;\n\t\twhile (idx < a->length) {\n\t\t\tl|=(p[idx]&0x7f);\n\t\t\tif (!(p[idx] & 0x80)) break;\n\t\t\tl<<=7L;\n\t\t\tidx++;\n\t\t}\n\t\tidx++;\n\t\ti=(int)(l/40);\n\t\tif (i > 2) i=2;\n\t\tl-=(long)(i*40);\n\t\tsprintf(tbuf,"%d.%lu",i,l);\n\t\ti=strlen(tbuf);\n\t\tstrncpy(buf,tbuf,buf_len);\n\t\tbuf_len-=i;\n\t\tbuf+=i;\n\t\tn+=i;\n\t\tl=0;\n\t\tfor (; idx<len; idx++) {\n\t\t\tl|=p[idx]&0x7f;\n\t\t\tif (!(p[idx] & 0x80)) {\n\t\t\t\tsprintf(tbuf,".%lu",l);\n\t\t\t\ti=strlen(tbuf);\n\t\t\t\tif (buf_len > 0)\n\t\t\t\t\tstrncpy(buf,tbuf,buf_len);\n\t\t\t\tbuf_len-=i;\n\t\t\t\tbuf+=i;\n\t\t\t\tn+=i;\n\t\t\t\tl=0;\n\t\t\t}\n\t\t\tl<<=7L;\n\t\t}\n\t} else {\n\t\ts=OBJ_nid2ln(nid);\n\t\tif (s == NULL)\n\t\t\ts=OBJ_nid2sn(nid);\n\t\tstrncpy(buf,s,buf_len);\n\t\tn=strlen(s);\n\t}\n\tbuf[buf_len-1]=\'\\0\';\n\treturn(n);\n}'] |
21,033 | 0 | https://github.com/openssl/openssl/blob/0ca6d7c6b1e73d17ca67b7ffd8435bde43bf50af/apps/ca.c/#L2144 | static int do_revoke(X509 *x509, TXT_DB *db)
{
ASN1_UTCTIME *tm=NULL;
char *row[DB_NUMBER],**rrow,**irow;
int ok=-1,i;
for (i=0; i<DB_NUMBER; i++)
row[i]=NULL;
row[DB_name]=X509_NAME_oneline(x509->cert_info->subject,NULL,0);
row[DB_serial]=BN_bn2hex(ASN1_INTEGER_to_BN(x509->cert_info->serialNumber,NULL));
if ((row[DB_name] == NULL) || (row[DB_serial] == NULL))
{
BIO_printf(bio_err,"Malloc failure\n");
goto err;
}
rrow=TXT_DB_get_by_index(db,DB_name,row);
if (rrow == NULL)
{
BIO_printf(bio_err,"Adding Entry to DB for %s\n", row[DB_name]);
row[DB_type]=(char *)Malloc(2);
tm=X509_get_notAfter(x509);
row[DB_exp_date]=(char *)Malloc(tm->length+1);
memcpy(row[DB_exp_date],tm->data,tm->length);
row[DB_exp_date][tm->length]='\0';
row[DB_rev_date]=NULL;
row[DB_file]=(char *)Malloc(8);
if ((row[DB_type] == NULL) || (row[DB_exp_date] == NULL) ||
(row[DB_file] == NULL))
{
BIO_printf(bio_err,"Malloc failure\n");
goto err;
}
strcpy(row[DB_file],"unknown");
row[DB_type][0]='V';
row[DB_type][1]='\0';
if ((irow=(char **)Malloc(sizeof(char *)*(DB_NUMBER+1))) == NULL)
{
BIO_printf(bio_err,"Malloc failure\n");
goto err;
}
for (i=0; i<DB_NUMBER; i++)
{
irow[i]=row[i];
row[i]=NULL;
}
irow[DB_NUMBER]=NULL;
if (!TXT_DB_insert(db,irow))
{
BIO_printf(bio_err,"failed to update database\n");
BIO_printf(bio_err,"TXT_DB error number %ld\n",db->error);
goto err;
}
do_revoke(x509,db);
ok=1;
goto err;
}
else if (index_serial_cmp(row,rrow))
{
BIO_printf(bio_err,"ERROR:no same serial number %s\n",
row[DB_serial]);
goto err;
}
else if (rrow[DB_type][0]=='R')
{
BIO_printf(bio_err,"ERROR:Already revoked, serial number %s\n",
row[DB_serial]);
goto err;
}
else
{
BIO_printf(bio_err,"Revoking Certificate %s.\n", rrow[DB_serial]);
tm=X509_gmtime_adj(tm,0);
rrow[DB_type][0]='R';
rrow[DB_type][1]='\0';
rrow[DB_rev_date]=(char *)Malloc(tm->length+1);
memcpy(rrow[DB_rev_date],tm->data,tm->length);
rrow[DB_rev_date][tm->length]='\0';
}
ok=1;
err:
for (i=0; i<DB_NUMBER; i++)
{
if (row[i] != NULL)
Free(row[i]);
}
ASN1_UTCTIME_free(tm);
return(ok);
} | ['static int do_revoke(X509 *x509, TXT_DB *db)\n{\n\tASN1_UTCTIME *tm=NULL;\n\tchar *row[DB_NUMBER],**rrow,**irow;\n\tint ok=-1,i;\n\tfor (i=0; i<DB_NUMBER; i++)\n\t\trow[i]=NULL;\n\trow[DB_name]=X509_NAME_oneline(x509->cert_info->subject,NULL,0);\n\trow[DB_serial]=BN_bn2hex(ASN1_INTEGER_to_BN(x509->cert_info->serialNumber,NULL));\n\tif ((row[DB_name] == NULL) || (row[DB_serial] == NULL))\n\t\t{\n\t\tBIO_printf(bio_err,"Malloc failure\\n");\n\t\tgoto err;\n\t\t}\n\trrow=TXT_DB_get_by_index(db,DB_name,row);\n\tif (rrow == NULL)\n\t\t{\n\t\tBIO_printf(bio_err,"Adding Entry to DB for %s\\n", row[DB_name]);\n\t\trow[DB_type]=(char *)Malloc(2);\n\t\ttm=X509_get_notAfter(x509);\n\t\trow[DB_exp_date]=(char *)Malloc(tm->length+1);\n\t\tmemcpy(row[DB_exp_date],tm->data,tm->length);\n\t\trow[DB_exp_date][tm->length]=\'\\0\';\n\t\trow[DB_rev_date]=NULL;\n\t\trow[DB_file]=(char *)Malloc(8);\n\t\tif ((row[DB_type] == NULL) || (row[DB_exp_date] == NULL) ||\n\t\t\t(row[DB_file] == NULL))\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"Malloc failure\\n");\n\t\t\tgoto err;\n\t\t\t}\n\t\tstrcpy(row[DB_file],"unknown");\n\t\trow[DB_type][0]=\'V\';\n\t\trow[DB_type][1]=\'\\0\';\n\t\tif ((irow=(char **)Malloc(sizeof(char *)*(DB_NUMBER+1))) == NULL)\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"Malloc failure\\n");\n\t\t\tgoto err;\n\t\t\t}\n\t\tfor (i=0; i<DB_NUMBER; i++)\n\t\t\t{\n\t\t\tirow[i]=row[i];\n\t\t\trow[i]=NULL;\n\t\t\t}\n\t\tirow[DB_NUMBER]=NULL;\n\t\tif (!TXT_DB_insert(db,irow))\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"failed to update database\\n");\n\t\t\tBIO_printf(bio_err,"TXT_DB error number %ld\\n",db->error);\n\t\t\tgoto err;\n\t\t\t}\n\t\tdo_revoke(x509,db);\n\t\tok=1;\n\t\tgoto err;\n\t\t}\n\telse if (index_serial_cmp(row,rrow))\n\t\t{\n\t\tBIO_printf(bio_err,"ERROR:no same serial number %s\\n",\n\t\t\t row[DB_serial]);\n\t\tgoto err;\n\t\t}\n\telse if (rrow[DB_type][0]==\'R\')\n\t\t{\n\t\tBIO_printf(bio_err,"ERROR:Already revoked, serial number %s\\n",\n\t\t\t row[DB_serial]);\n\t\tgoto err;\n\t\t}\n\telse\n\t\t{\n\t\tBIO_printf(bio_err,"Revoking Certificate %s.\\n", rrow[DB_serial]);\n\t\ttm=X509_gmtime_adj(tm,0);\n\t\trrow[DB_type][0]=\'R\';\n\t\trrow[DB_type][1]=\'\\0\';\n\t\trrow[DB_rev_date]=(char *)Malloc(tm->length+1);\n\t\tmemcpy(rrow[DB_rev_date],tm->data,tm->length);\n\t\trrow[DB_rev_date][tm->length]=\'\\0\';\n\t\t}\n\tok=1;\nerr:\n\tfor (i=0; i<DB_NUMBER; i++)\n\t\t{\n\t\tif (row[i] != NULL)\n\t\t\tFree(row[i]);\n\t\t}\n\tASN1_UTCTIME_free(tm);\n\treturn(ok);\n}', 'char *X509_NAME_oneline(X509_NAME *a, char *buf, int len)\n\t{\n\tX509_NAME_ENTRY *ne;\nint i;\n\tint n,lold,l,l1,l2,num,j,type;\n\tconst char *s;\n\tchar *p;\n\tunsigned char *q;\n\tBUF_MEM *b=NULL;\n\tstatic char hex[17]="0123456789ABCDEF";\n\tint gs_doit[4];\n\tchar tmp_buf[80];\n#ifdef CHARSET_EBCDIC\n\tchar ebcdic_buf[1024];\n#endif\n\tif (buf == NULL)\n\t\t{\n\t\tif ((b=BUF_MEM_new()) == NULL) goto err;\n\t\tif (!BUF_MEM_grow(b,200)) goto err;\n\t\tb->data[0]=\'\\0\';\n\t\tlen=200;\n\t\t}\n\tif (a == NULL)\n\t {\n\t if(b)\n\t\t{\n\t\tbuf=b->data;\n\t\tFree(b);\n\t\t}\n\t strncpy(buf,"NO X509_NAME",len);\n\t return buf;\n\t }\n\tlen--;\n\tl=0;\n\tfor (i=0; i<sk_X509_NAME_ENTRY_num(a->entries); i++)\n\t\t{\n\t\tne=sk_X509_NAME_ENTRY_value(a->entries,i);\n\t\tn=OBJ_obj2nid(ne->object);\n\t\tif ((n == NID_undef) || ((s=OBJ_nid2sn(n)) == NULL))\n\t\t\t{\n\t\t\ti2t_ASN1_OBJECT(tmp_buf,sizeof(tmp_buf),ne->object);\n\t\t\ts=tmp_buf;\n\t\t\t}\n\t\tl1=strlen(s);\n\t\ttype=ne->value->type;\n\t\tnum=ne->value->length;\n\t\tq=ne->value->data;\n#ifdef CHARSET_EBCDIC\n if (type == V_ASN1_GENERALSTRING ||\n\t\t type == V_ASN1_VISIBLESTRING ||\n\t\t type == V_ASN1_PRINTABLESTRING ||\n\t\t type == V_ASN1_TELETEXSTRING ||\n\t\t type == V_ASN1_VISIBLESTRING ||\n\t\t type == V_ASN1_IA5STRING) {\n ascii2ebcdic(ebcdic_buf, q,\n\t\t\t\t (num > sizeof ebcdic_buf)\n\t\t\t\t ? sizeof ebcdic_buf : num);\n q=ebcdic_buf;\n\t\t}\n#endif\n\t\tif ((type == V_ASN1_GENERALSTRING) && ((num%4) == 0))\n\t\t\t{\n\t\t\tgs_doit[0]=gs_doit[1]=gs_doit[2]=gs_doit[3]=0;\n\t\t\tfor (j=0; j<num; j++)\n\t\t\t\tif (q[j] != 0) gs_doit[j&3]=1;\n\t\t\tif (gs_doit[0]|gs_doit[1]|gs_doit[2])\n\t\t\t\tgs_doit[0]=gs_doit[1]=gs_doit[2]=gs_doit[3]=1;\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tgs_doit[0]=gs_doit[1]=gs_doit[2]=0;\n\t\t\t\tgs_doit[3]=1;\n\t\t\t\t}\n\t\t\t}\n\t\telse\n\t\t\tgs_doit[0]=gs_doit[1]=gs_doit[2]=gs_doit[3]=1;\n\t\tfor (l2=j=0; j<num; j++)\n\t\t\t{\n\t\t\tif (!gs_doit[j&3]) continue;\n\t\t\tl2++;\n#ifndef CHARSET_EBCDIC\n\t\t\tif ((q[j] < \' \') || (q[j] > \'~\')) l2+=3;\n#else\n\t\t\tif ((os_toascii[q[j]] < os_toascii[\' \']) ||\n\t\t\t (os_toascii[q[j]] > os_toascii[\'~\'])) l2+=3;\n#endif\n\t\t\t}\n\t\tlold=l;\n\t\tl+=1+l1+1+l2;\n\t\tif (b != NULL)\n\t\t\t{\n\t\t\tif (!BUF_MEM_grow(b,l+1)) goto err;\n\t\t\tp= &(b->data[lold]);\n\t\t\t}\n\t\telse if (l > len)\n\t\t\t{\n\t\t\tbreak;\n\t\t\t}\n\t\telse\n\t\t\tp= &(buf[lold]);\n\t\t*(p++)=\'/\';\n\t\tmemcpy(p,s,(unsigned int)l1); p+=l1;\n\t\t*(p++)=\'=\';\n#ifndef CHARSET_EBCDIC\n\t\tq=ne->value->data;\n#endif\n\t\tfor (j=0; j<num; j++)\n\t\t\t{\n\t\t\tif (!gs_doit[j&3]) continue;\n#ifndef CHARSET_EBCDIC\n\t\t\tn=q[j];\n\t\t\tif ((n < \' \') || (n > \'~\'))\n\t\t\t\t{\n\t\t\t\t*(p++)=\'\\\\\';\n\t\t\t\t*(p++)=\'x\';\n\t\t\t\t*(p++)=hex[(n>>4)&0x0f];\n\t\t\t\t*(p++)=hex[n&0x0f];\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t*(p++)=n;\n#else\n\t\t\tn=os_toascii[q[j]];\n\t\t\tif ((n < os_toascii[\' \']) ||\n\t\t\t (n > os_toascii[\'~\']))\n\t\t\t\t{\n\t\t\t\t*(p++)=\'\\\\\';\n\t\t\t\t*(p++)=\'x\';\n\t\t\t\t*(p++)=hex[(n>>4)&0x0f];\n\t\t\t\t*(p++)=hex[n&0x0f];\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t*(p++)=q[j];\n#endif\n\t\t\t}\n\t\t*p=\'\\0\';\n\t\t}\n\tif (b != NULL)\n\t\t{\n\t\tp=b->data;\n\t\tFree(b);\n\t\t}\n\telse\n\t\tp=buf;\n\treturn(p);\nerr:\n\tX509err(X509_F_X509_NAME_ONELINE,ERR_R_MALLOC_FAILURE);\n\tif (b != NULL) BUF_MEM_free(b);\n\treturn(NULL);\n\t}'] |
21,034 | 0 | https://github.com/openssl/openssl/blob/ea32151f7b9353f8906188d007c6893704ac17bb/crypto/x509/x509_vfy.c/#L2066 | int X509_STORE_CTX_purpose_inherit(X509_STORE_CTX *ctx, int def_purpose,
int purpose, int trust)
{
int idx;
if (!purpose)
purpose = def_purpose;
if (purpose) {
X509_PURPOSE *ptmp;
idx = X509_PURPOSE_get_by_id(purpose);
if (idx == -1) {
X509err(X509_F_X509_STORE_CTX_PURPOSE_INHERIT,
X509_R_UNKNOWN_PURPOSE_ID);
return 0;
}
ptmp = X509_PURPOSE_get0(idx);
if (ptmp->trust == X509_TRUST_DEFAULT) {
idx = X509_PURPOSE_get_by_id(def_purpose);
if (idx == -1) {
X509err(X509_F_X509_STORE_CTX_PURPOSE_INHERIT,
X509_R_UNKNOWN_PURPOSE_ID);
return 0;
}
ptmp = X509_PURPOSE_get0(idx);
}
if (!trust)
trust = ptmp->trust;
}
if (trust) {
idx = X509_TRUST_get_by_id(trust);
if (idx == -1) {
X509err(X509_F_X509_STORE_CTX_PURPOSE_INHERIT,
X509_R_UNKNOWN_TRUST_ID);
return 0;
}
}
if (purpose && !ctx->param->purpose)
ctx->param->purpose = purpose;
if (trust && !ctx->param->trust)
ctx->param->trust = trust;
return 1;
} | ['int X509_STORE_CTX_purpose_inherit(X509_STORE_CTX *ctx, int def_purpose,\n int purpose, int trust)\n{\n int idx;\n if (!purpose)\n purpose = def_purpose;\n if (purpose) {\n X509_PURPOSE *ptmp;\n idx = X509_PURPOSE_get_by_id(purpose);\n if (idx == -1) {\n X509err(X509_F_X509_STORE_CTX_PURPOSE_INHERIT,\n X509_R_UNKNOWN_PURPOSE_ID);\n return 0;\n }\n ptmp = X509_PURPOSE_get0(idx);\n if (ptmp->trust == X509_TRUST_DEFAULT) {\n idx = X509_PURPOSE_get_by_id(def_purpose);\n if (idx == -1) {\n X509err(X509_F_X509_STORE_CTX_PURPOSE_INHERIT,\n X509_R_UNKNOWN_PURPOSE_ID);\n return 0;\n }\n ptmp = X509_PURPOSE_get0(idx);\n }\n if (!trust)\n trust = ptmp->trust;\n }\n if (trust) {\n idx = X509_TRUST_get_by_id(trust);\n if (idx == -1) {\n X509err(X509_F_X509_STORE_CTX_PURPOSE_INHERIT,\n X509_R_UNKNOWN_TRUST_ID);\n return 0;\n }\n }\n if (purpose && !ctx->param->purpose)\n ctx->param->purpose = purpose;\n if (trust && !ctx->param->trust)\n ctx->param->trust = trust;\n return 1;\n}', 'int X509_PURPOSE_get_by_id(int purpose)\n{\n X509_PURPOSE tmp;\n int idx;\n if ((purpose >= X509_PURPOSE_MIN) && (purpose <= X509_PURPOSE_MAX))\n return purpose - X509_PURPOSE_MIN;\n tmp.purpose = purpose;\n if (!xptable)\n return -1;\n idx = sk_X509_PURPOSE_find(xptable, &tmp);\n if (idx == -1)\n return -1;\n return idx + X509_PURPOSE_COUNT;\n}', 'DEFINE_STACK_OF(X509_PURPOSE)', 'int OPENSSL_sk_find(OPENSSL_STACK *st, const void *data)\n{\n return internal_find(st, data, OBJ_BSEARCH_FIRST_VALUE_ON_MATCH);\n}', 'static int internal_find(OPENSSL_STACK *st, const void *data,\n int ret_val_options)\n{\n const void *const *r;\n int i;\n if (st == NULL)\n return -1;\n if (st->comp == NULL) {\n for (i = 0; i < st->num; i++)\n if (st->data[i] == data)\n return (i);\n return (-1);\n }\n OPENSSL_sk_sort(st);\n if (data == NULL)\n return (-1);\n r = OBJ_bsearch_ex_(&data, st->data, st->num, sizeof(void *), st->comp,\n ret_val_options);\n if (r == NULL)\n return (-1);\n return (int)((char **)r - st->data);\n}', 'X509_PURPOSE *X509_PURPOSE_get0(int idx)\n{\n if (idx < 0)\n return NULL;\n if (idx < (int)X509_PURPOSE_COUNT)\n return xstandard + idx;\n return sk_X509_PURPOSE_value(xptable, idx - X509_PURPOSE_COUNT);\n}'] |
21,035 | 0 | https://github.com/libav/libav/blob/2f99117f6ff24ce5be2abb9e014cb8b86c2aa0e0/libavcodec/bitstream.h/#L139 | static inline uint64_t get_val(BitstreamContext *bc, unsigned n)
{
#ifdef BITSTREAM_READER_LE
uint64_t ret = bc->bits & ((UINT64_C(1) << n) - 1);
bc->bits >>= n;
#else
uint64_t ret = bc->bits >> (64 - n);
bc->bits <<= n;
#endif
bc->bits_left -= n;
return ret;
} | ['static const unsigned char *seq_unpack_rle_block(const unsigned char *src,\n const unsigned char *src_end,\n unsigned char *dst, int dst_size)\n{\n int i, len, sz;\n BitstreamContext bc;\n int code_table[64];\n bitstream_init(&bc, src, (src_end - src) * 8);\n for (i = 0, sz = 0; i < 64 && sz < dst_size; i++) {\n if (bitstream_bits_left(&bc) < 4)\n return NULL;\n code_table[i] = bitstream_read_signed(&bc, 4);\n sz += FFABS(code_table[i]);\n }\n src += (bitstream_tell(&bc) + 7) / 8;\n for (i = 0; i < 64 && dst_size > 0; i++) {\n len = code_table[i];\n if (len < 0) {\n len = -len;\n if (src_end - src < 1)\n return NULL;\n memset(dst, *src++, FFMIN(len, dst_size));\n } else {\n if (src_end - src < len)\n return NULL;\n memcpy(dst, src, FFMIN(len, dst_size));\n src += len;\n }\n dst += len;\n dst_size -= len;\n }\n return src;\n}', 'static inline int32_t bitstream_read_signed(BitstreamContext *bc, unsigned n)\n{\n return sign_extend(bitstream_read(bc, n), n);\n}', 'static inline uint32_t bitstream_read(BitstreamContext *bc, unsigned n)\n{\n if (!n)\n return 0;\n if (n > bc->bits_left) {\n refill_32(bc);\n if (bc->bits_left < 32)\n bc->bits_left = n;\n }\n return get_val(bc, n);\n}', 'static inline uint64_t get_val(BitstreamContext *bc, unsigned n)\n{\n#ifdef BITSTREAM_READER_LE\n uint64_t ret = bc->bits & ((UINT64_C(1) << n) - 1);\n bc->bits >>= n;\n#else\n uint64_t ret = bc->bits >> (64 - n);\n bc->bits <<= n;\n#endif\n bc->bits_left -= n;\n return ret;\n}'] |
21,036 | 0 | https://github.com/libav/libav/blob/f40f329e9219a8dd7e585345a8ea294fa66562b9/ffmpeg.c/#L2872 | static int opt_metadata(const char *opt, const char *arg)
{
char *mid= strchr(arg, '=');
if(!mid){
fprintf(stderr, "Missing =\n");
av_exit(1);
}
*mid++= 0;
metadata_count++;
metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);
metadata[metadata_count-1].key = av_strdup(arg);
metadata[metadata_count-1].value= av_strdup(mid);
return 0;
} | ['static int opt_metadata(const char *opt, const char *arg)\n{\n char *mid= strchr(arg, \'=\');\n if(!mid){\n fprintf(stderr, "Missing =\\n");\n av_exit(1);\n }\n *mid++= 0;\n metadata_count++;\n metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);\n metadata[metadata_count-1].key = av_strdup(arg);\n metadata[metadata_count-1].value= av_strdup(mid);\n return 0;\n}'] |
21,037 | 0 | https://github.com/openssl/openssl/blob/8ae173bb57819a23717fd3c8e7c51cb62f4268d0/test/sslapitest.c/#L5405 | static int test_srp(int tst)
{
char *userid = "test", *password = "password", *tstsrpfile;
SSL_CTX *cctx = NULL, *sctx = NULL;
SSL *clientssl = NULL, *serverssl = NULL;
int ret, testresult = 0;
vbase = SRP_VBASE_new(NULL);
if (!TEST_ptr(vbase))
goto end;
if (tst == 0 || tst == 1) {
if (!TEST_true(create_new_vbase(userid, password)))
goto end;
} else {
if (tst == 4 || tst == 5) {
if (!TEST_true(create_new_vfile(userid, password, tmpfilename)))
goto end;
tstsrpfile = tmpfilename;
} else {
tstsrpfile = srpvfile;
}
if (!TEST_int_eq(SRP_VBASE_init(vbase, tstsrpfile), SRP_NO_ERROR))
goto end;
}
if (!TEST_true(create_ssl_ctx_pair(TLS_server_method(), TLS_client_method(),
TLS1_VERSION, 0,
&sctx, &cctx, cert, privkey)))
goto end;
if (!TEST_int_gt(SSL_CTX_set_srp_username_callback(sctx, ssl_srp_cb), 0)
|| !TEST_true(SSL_CTX_set_cipher_list(cctx, "SRP-AES-128-CBC-SHA"))
|| !TEST_true(SSL_CTX_set_max_proto_version(sctx, TLS1_2_VERSION))
|| !TEST_true(SSL_CTX_set_max_proto_version(cctx, TLS1_2_VERSION))
|| !TEST_int_gt(SSL_CTX_set_srp_username(cctx, userid), 0))
goto end;
if (tst % 2 == 1) {
if (!TEST_int_gt(SSL_CTX_set_srp_password(cctx, "badpass"), 0))
goto end;
} else {
if (!TEST_int_gt(SSL_CTX_set_srp_password(cctx, password), 0))
goto end;
}
if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl,
NULL, NULL)))
goto end;
ret = create_ssl_connection(serverssl, clientssl, SSL_ERROR_NONE);
if (ret) {
if (!TEST_true(tst % 2 == 0))
goto end;
} else {
if (!TEST_true(tst % 2 == 1))
goto end;
}
testresult = 1;
end:
SRP_VBASE_free(vbase);
vbase = NULL;
SSL_free(serverssl);
SSL_free(clientssl);
SSL_CTX_free(sctx);
SSL_CTX_free(cctx);
return testresult;
} | ['static int test_srp(int tst)\n{\n char *userid = "test", *password = "password", *tstsrpfile;\n SSL_CTX *cctx = NULL, *sctx = NULL;\n SSL *clientssl = NULL, *serverssl = NULL;\n int ret, testresult = 0;\n vbase = SRP_VBASE_new(NULL);\n if (!TEST_ptr(vbase))\n goto end;\n if (tst == 0 || tst == 1) {\n if (!TEST_true(create_new_vbase(userid, password)))\n goto end;\n } else {\n if (tst == 4 || tst == 5) {\n if (!TEST_true(create_new_vfile(userid, password, tmpfilename)))\n goto end;\n tstsrpfile = tmpfilename;\n } else {\n tstsrpfile = srpvfile;\n }\n if (!TEST_int_eq(SRP_VBASE_init(vbase, tstsrpfile), SRP_NO_ERROR))\n goto end;\n }\n if (!TEST_true(create_ssl_ctx_pair(TLS_server_method(), TLS_client_method(),\n TLS1_VERSION, 0,\n &sctx, &cctx, cert, privkey)))\n goto end;\n if (!TEST_int_gt(SSL_CTX_set_srp_username_callback(sctx, ssl_srp_cb), 0)\n || !TEST_true(SSL_CTX_set_cipher_list(cctx, "SRP-AES-128-CBC-SHA"))\n || !TEST_true(SSL_CTX_set_max_proto_version(sctx, TLS1_2_VERSION))\n || !TEST_true(SSL_CTX_set_max_proto_version(cctx, TLS1_2_VERSION))\n || !TEST_int_gt(SSL_CTX_set_srp_username(cctx, userid), 0))\n goto end;\n if (tst % 2 == 1) {\n if (!TEST_int_gt(SSL_CTX_set_srp_password(cctx, "badpass"), 0))\n goto end;\n } else {\n if (!TEST_int_gt(SSL_CTX_set_srp_password(cctx, password), 0))\n goto end;\n }\n if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl,\n NULL, NULL)))\n goto end;\n ret = create_ssl_connection(serverssl, clientssl, SSL_ERROR_NONE);\n if (ret) {\n if (!TEST_true(tst % 2 == 0))\n goto end;\n } else {\n if (!TEST_true(tst % 2 == 1))\n goto end;\n }\n testresult = 1;\n end:\n SRP_VBASE_free(vbase);\n vbase = NULL;\n SSL_free(serverssl);\n SSL_free(clientssl);\n SSL_CTX_free(sctx);\n SSL_CTX_free(cctx);\n return testresult;\n}', 'int test_ptr(const char *file, int line, const char *s, const void *p)\n{\n if (p != NULL)\n return 1;\n test_fail_message(NULL, file, line, "ptr", s, "NULL", "!=", "%p", p);\n return 0;\n}', 'void SRP_VBASE_free(SRP_VBASE *vb)\n{\n if (!vb)\n return;\n sk_SRP_user_pwd_pop_free(vb->users_pwd, SRP_user_pwd_free);\n sk_SRP_gN_cache_free(vb->gN_cache);\n OPENSSL_free(vb->seed_key);\n OPENSSL_free(vb);\n}', 'void SSL_CTX_free(SSL_CTX *a)\n{\n int i;\n if (a == NULL)\n return;\n CRYPTO_DOWN_REF(&a->references, &i, a->lock);\n REF_PRINT_COUNT("SSL_CTX", a);\n if (i > 0)\n return;\n REF_ASSERT_ISNT(i < 0);\n X509_VERIFY_PARAM_free(a->param);\n dane_ctx_final(&a->dane);\n if (a->sessions != NULL)\n SSL_CTX_flush_sessions(a, 0);\n CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX, a, &a->ex_data);\n lh_SSL_SESSION_free(a->sessions);\n X509_STORE_free(a->cert_store);\n#ifndef OPENSSL_NO_CT\n CTLOG_STORE_free(a->ctlog_store);\n#endif\n sk_SSL_CIPHER_free(a->cipher_list);\n sk_SSL_CIPHER_free(a->cipher_list_by_id);\n sk_SSL_CIPHER_free(a->tls13_ciphersuites);\n ssl_cert_free(a->cert);\n sk_X509_NAME_pop_free(a->ca_names, X509_NAME_free);\n sk_X509_NAME_pop_free(a->client_ca_names, X509_NAME_free);\n sk_X509_pop_free(a->extra_certs, X509_free);\n a->comp_methods = NULL;\n#ifndef OPENSSL_NO_SRTP\n sk_SRTP_PROTECTION_PROFILE_free(a->srtp_profiles);\n#endif\n#ifndef OPENSSL_NO_SRP\n SSL_CTX_SRP_CTX_free(a);\n#endif\n#ifndef OPENSSL_NO_ENGINE\n ENGINE_finish(a->client_cert_engine);\n#endif\n#ifndef OPENSSL_NO_EC\n OPENSSL_free(a->ext.ecpointformats);\n OPENSSL_free(a->ext.supportedgroups);\n#endif\n OPENSSL_free(a->ext.alpn);\n OPENSSL_secure_free(a->ext.secure);\n CRYPTO_THREAD_lock_free(a->lock);\n OPENSSL_free(a);\n}', 'static inline int CRYPTO_DOWN_REF(_Atomic int *val, int *ret, void *lock)\n{\n *ret = atomic_fetch_sub_explicit(val, 1, memory_order_relaxed) - 1;\n if (*ret == 0)\n atomic_thread_fence(memory_order_acquire);\n return 1;\n}'] |
21,038 | 0 | https://github.com/openssl/openssl/blob/8da94770f0a049497b1a52ee469cca1f4a13b1a7/crypto/srp/srp_vfy.c/#L258 | SRP_VBASE *SRP_VBASE_new(char *seed_key)
{
SRP_VBASE *vb = OPENSSL_malloc(sizeof(*vb));
if (vb == NULL)
return NULL;
if ((vb->users_pwd = sk_SRP_user_pwd_new_null()) == NULL
|| (vb->gN_cache = sk_SRP_gN_cache_new_null()) == NULL) {
OPENSSL_free(vb);
return NULL;
}
vb->default_g = NULL;
vb->default_N = NULL;
vb->seed_key = NULL;
if ((seed_key != NULL) && (vb->seed_key = OPENSSL_strdup(seed_key)) == NULL) {
sk_SRP_user_pwd_free(vb->users_pwd);
sk_SRP_gN_cache_free(vb->gN_cache);
OPENSSL_free(vb);
return NULL;
}
return vb;
} | ['SRP_VBASE *SRP_VBASE_new(char *seed_key)\n{\n SRP_VBASE *vb = OPENSSL_malloc(sizeof(*vb));\n if (vb == NULL)\n return NULL;\n if ((vb->users_pwd = sk_SRP_user_pwd_new_null()) == NULL\n || (vb->gN_cache = sk_SRP_gN_cache_new_null()) == NULL) {\n OPENSSL_free(vb);\n return NULL;\n }\n vb->default_g = NULL;\n vb->default_N = NULL;\n vb->seed_key = NULL;\n if ((seed_key != NULL) && (vb->seed_key = OPENSSL_strdup(seed_key)) == NULL) {\n sk_SRP_user_pwd_free(vb->users_pwd);\n sk_SRP_gN_cache_free(vb->gN_cache);\n OPENSSL_free(vb);\n return NULL;\n }\n return vb;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n if (num <= 0)\n return NULL;\n allow_customize = 0;\n#ifdef CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n (void)file;\n (void)line;\n ret = malloc(num);\n#endif\n#ifndef OPENSSL_CPUID_OBJ\n if (ret && (num > 2048)) {\n extern unsigned char cleanse_ctr;\n ((unsigned char *)ret)[0] = cleanse_ctr;\n }\n#endif\n return ret;\n}', 'DEFINE_STACK_OF(SRP_user_pwd)', '_STACK *sk_new_null(void)\n{\n return sk_new((int (*)(const void *, const void *))0);\n}', '_STACK *sk_new(int (*c) (const void *, const void *))\n{\n _STACK *ret;\n if ((ret = OPENSSL_zalloc(sizeof(_STACK))) == NULL)\n goto err;\n if ((ret->data = OPENSSL_zalloc(sizeof(*ret->data) * MIN_NODES)) == NULL)\n goto err;\n ret->comp = c;\n ret->num_alloc = MIN_NODES;\n return (ret);\n err:\n OPENSSL_free(ret);\n return (NULL);\n}', 'void *CRYPTO_zalloc(size_t num, const char *file, int line)\n{\n void *ret = CRYPTO_malloc(num, file, line);\n if (ret != NULL)\n memset(ret, 0, num);\n return ret;\n}', 'DEFINE_STACK_OF(SRP_gN_cache)', 'void CRYPTO_free(void *str)\n{\n#ifdef CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_free(str, 0);\n free(str);\n CRYPTO_mem_debug_free(str, 1);\n } else {\n free(str);\n }\n#else\n free(str);\n#endif\n}'] |
21,039 | 0 | https://github.com/openssl/openssl/blob/b1860d6c71733314417d053a72af66ae72e8268e/crypto/bn/bn_ctx.c/#L276 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | ['int BN_is_prime_fasttest_ex(const BIGNUM *a, int checks, BN_CTX *ctx_passed,\n int do_trial_division, BN_GENCB *cb)\n{\n int i, j, ret = -1;\n int k;\n BN_CTX *ctx = NULL;\n BIGNUM *A1, *A1_odd, *check;\n BN_MONT_CTX *mont = NULL;\n if (BN_cmp(a, BN_value_one()) <= 0)\n return 0;\n if (checks == BN_prime_checks)\n checks = BN_prime_checks_for_size(BN_num_bits(a));\n if (!BN_is_odd(a))\n return BN_is_word(a, 2);\n if (do_trial_division) {\n for (i = 1; i < NUMPRIMES; i++) {\n BN_ULONG mod = BN_mod_word(a, primes[i]);\n if (mod == (BN_ULONG)-1)\n goto err;\n if (mod == 0)\n return BN_is_word(a, primes[i]);\n }\n if (!BN_GENCB_call(cb, 1, -1))\n goto err;\n }\n if (ctx_passed != NULL)\n ctx = ctx_passed;\n else if ((ctx = BN_CTX_new()) == NULL)\n goto err;\n BN_CTX_start(ctx);\n A1 = BN_CTX_get(ctx);\n A1_odd = BN_CTX_get(ctx);\n check = BN_CTX_get(ctx);\n if (check == NULL)\n goto err;\n if (!BN_copy(A1, a))\n goto err;\n if (!BN_sub_word(A1, 1))\n goto err;\n if (BN_is_zero(A1)) {\n ret = 0;\n goto err;\n }\n k = 1;\n while (!BN_is_bit_set(A1, k))\n k++;\n if (!BN_rshift(A1_odd, A1, k))\n goto err;\n mont = BN_MONT_CTX_new();\n if (mont == NULL)\n goto err;\n if (!BN_MONT_CTX_set(mont, a, ctx))\n goto err;\n for (i = 0; i < checks; i++) {\n if (!BN_priv_rand_range(check, A1))\n goto err;\n if (!BN_add_word(check, 1))\n goto err;\n j = witness(check, a, A1, A1_odd, k, ctx, mont);\n if (j == -1)\n goto err;\n if (j) {\n ret = 0;\n goto err;\n }\n if (!BN_GENCB_call(cb, 1, i))\n goto err;\n }\n ret = 1;\n err:\n if (ctx != NULL) {\n BN_CTX_end(ctx);\n if (ctx_passed == NULL)\n BN_CTX_free(ctx);\n }\n BN_MONT_CTX_free(mont);\n return ret;\n}', 'void BN_CTX_start(BN_CTX *ctx)\n{\n CTXDBG_ENTRY("BN_CTX_start", ctx);\n if (ctx->err_stack || ctx->too_many)\n ctx->err_stack++;\n else if (!BN_STACK_push(&ctx->stack, ctx->used)) {\n BNerr(BN_F_BN_CTX_START, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n ctx->err_stack++;\n }\n CTXDBG_EXIT(ctx);\n}', 'int BN_MONT_CTX_set(BN_MONT_CTX *mont, const BIGNUM *mod, BN_CTX *ctx)\n{\n int ret = 0;\n BIGNUM *Ri, *R;\n if (BN_is_zero(mod))\n return 0;\n BN_CTX_start(ctx);\n if ((Ri = BN_CTX_get(ctx)) == NULL)\n goto err;\n R = &(mont->RR);\n if (!BN_copy(&(mont->N), mod))\n goto err;\n if (BN_get_flags(mod, BN_FLG_CONSTTIME) != 0)\n BN_set_flags(&(mont->N), BN_FLG_CONSTTIME);\n mont->N.neg = 0;\n#ifdef MONT_WORD\n {\n BIGNUM tmod;\n BN_ULONG buf[2];\n bn_init(&tmod);\n tmod.d = buf;\n tmod.dmax = 2;\n tmod.neg = 0;\n if (BN_get_flags(mod, BN_FLG_CONSTTIME) != 0)\n BN_set_flags(&tmod, BN_FLG_CONSTTIME);\n mont->ri = (BN_num_bits(mod) + (BN_BITS2 - 1)) / BN_BITS2 * BN_BITS2;\n# if defined(OPENSSL_BN_ASM_MONT) && (BN_BITS2<=32)\n BN_zero(R);\n if (!(BN_set_bit(R, 2 * BN_BITS2)))\n goto err;\n tmod.top = 0;\n if ((buf[0] = mod->d[0]))\n tmod.top = 1;\n if ((buf[1] = mod->top > 1 ? mod->d[1] : 0))\n tmod.top = 2;\n if (BN_is_one(&tmod))\n BN_zero(Ri);\n else if ((BN_mod_inverse(Ri, R, &tmod, ctx)) == NULL)\n goto err;\n if (!BN_lshift(Ri, Ri, 2 * BN_BITS2))\n goto err;\n if (!BN_is_zero(Ri)) {\n if (!BN_sub_word(Ri, 1))\n goto err;\n } else {\n if (bn_expand(Ri, (int)sizeof(BN_ULONG) * 2) == NULL)\n goto err;\n Ri->neg = 0;\n Ri->d[0] = BN_MASK2;\n Ri->d[1] = BN_MASK2;\n Ri->top = 2;\n }\n if (!BN_div(Ri, NULL, Ri, &tmod, ctx))\n goto err;\n mont->n0[0] = (Ri->top > 0) ? Ri->d[0] : 0;\n mont->n0[1] = (Ri->top > 1) ? Ri->d[1] : 0;\n# else\n BN_zero(R);\n if (!(BN_set_bit(R, BN_BITS2)))\n goto err;\n buf[0] = mod->d[0];\n buf[1] = 0;\n tmod.top = buf[0] != 0 ? 1 : 0;\n if (BN_is_one(&tmod))\n BN_zero(Ri);\n else if ((BN_mod_inverse(Ri, R, &tmod, ctx)) == NULL)\n goto err;\n if (!BN_lshift(Ri, Ri, BN_BITS2))\n goto err;\n if (!BN_is_zero(Ri)) {\n if (!BN_sub_word(Ri, 1))\n goto err;\n } else {\n if (!BN_set_word(Ri, BN_MASK2))\n goto err;\n }\n if (!BN_div(Ri, NULL, Ri, &tmod, ctx))\n goto err;\n mont->n0[0] = (Ri->top > 0) ? Ri->d[0] : 0;\n mont->n0[1] = 0;\n# endif\n }\n#else\n {\n mont->ri = BN_num_bits(&mont->N);\n BN_zero(R);\n if (!BN_set_bit(R, mont->ri))\n goto err;\n if ((BN_mod_inverse(Ri, R, &mont->N, ctx)) == NULL)\n goto err;\n if (!BN_lshift(Ri, Ri, mont->ri))\n goto err;\n if (!BN_sub_word(Ri, 1))\n goto err;\n if (!BN_div(&(mont->Ni), NULL, Ri, &mont->N, ctx))\n goto err;\n }\n#endif\n BN_zero(&(mont->RR));\n if (!BN_set_bit(&(mont->RR), mont->ri * 2))\n goto err;\n if (!BN_mod(&(mont->RR), &(mont->RR), &(mont->N), ctx))\n goto err;\n ret = 1;\n err:\n BN_CTX_end(ctx);\n return ret;\n}', 'BIGNUM *BN_mod_inverse(BIGNUM *in,\n const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx)\n{\n BIGNUM *rv;\n int noinv;\n rv = int_bn_mod_inverse(in, a, n, ctx, &noinv);\n if (noinv)\n BNerr(BN_F_BN_MOD_INVERSE, BN_R_NO_INVERSE);\n return rv;\n}', 'BIGNUM *int_bn_mod_inverse(BIGNUM *in,\n const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx,\n int *pnoinv)\n{\n BIGNUM *A, *B, *X, *Y, *M, *D, *T, *R = NULL;\n BIGNUM *ret = NULL;\n int sign;\n if (BN_abs_is_word(n, 1) || BN_is_zero(n)) {\n if (pnoinv != NULL)\n *pnoinv = 1;\n return NULL;\n }\n if (pnoinv != NULL)\n *pnoinv = 0;\n if ((BN_get_flags(a, BN_FLG_CONSTTIME) != 0)\n || (BN_get_flags(n, BN_FLG_CONSTTIME) != 0)) {\n return BN_mod_inverse_no_branch(in, a, n, ctx);\n }\n bn_check_top(a);\n bn_check_top(n);\n BN_CTX_start(ctx);\n A = BN_CTX_get(ctx);\n B = BN_CTX_get(ctx);\n X = BN_CTX_get(ctx);\n D = BN_CTX_get(ctx);\n M = BN_CTX_get(ctx);\n Y = BN_CTX_get(ctx);\n T = BN_CTX_get(ctx);\n if (T == NULL)\n goto err;\n if (in == NULL)\n R = BN_new();\n else\n R = in;\n if (R == NULL)\n goto err;\n BN_one(X);\n BN_zero(Y);\n if (BN_copy(B, a) == NULL)\n goto err;\n if (BN_copy(A, n) == NULL)\n goto err;\n A->neg = 0;\n if (B->neg || (BN_ucmp(B, A) >= 0)) {\n if (!BN_nnmod(B, B, A, ctx))\n goto err;\n }\n sign = -1;\n if (BN_is_odd(n) && (BN_num_bits(n) <= 2048)) {\n int shift;\n while (!BN_is_zero(B)) {\n shift = 0;\n while (!BN_is_bit_set(B, shift)) {\n shift++;\n if (BN_is_odd(X)) {\n if (!BN_uadd(X, X, n))\n goto err;\n }\n if (!BN_rshift1(X, X))\n goto err;\n }\n if (shift > 0) {\n if (!BN_rshift(B, B, shift))\n goto err;\n }\n shift = 0;\n while (!BN_is_bit_set(A, shift)) {\n shift++;\n if (BN_is_odd(Y)) {\n if (!BN_uadd(Y, Y, n))\n goto err;\n }\n if (!BN_rshift1(Y, Y))\n goto err;\n }\n if (shift > 0) {\n if (!BN_rshift(A, A, shift))\n goto err;\n }\n if (BN_ucmp(B, A) >= 0) {\n if (!BN_uadd(X, X, Y))\n goto err;\n if (!BN_usub(B, B, A))\n goto err;\n } else {\n if (!BN_uadd(Y, Y, X))\n goto err;\n if (!BN_usub(A, A, B))\n goto err;\n }\n }\n } else {\n while (!BN_is_zero(B)) {\n BIGNUM *tmp;\n if (BN_num_bits(A) == BN_num_bits(B)) {\n if (!BN_one(D))\n goto err;\n if (!BN_sub(M, A, B))\n goto err;\n } else if (BN_num_bits(A) == BN_num_bits(B) + 1) {\n if (!BN_lshift1(T, B))\n goto err;\n if (BN_ucmp(A, T) < 0) {\n if (!BN_one(D))\n goto err;\n if (!BN_sub(M, A, B))\n goto err;\n } else {\n if (!BN_sub(M, A, T))\n goto err;\n if (!BN_add(D, T, B))\n goto err;\n if (BN_ucmp(A, D) < 0) {\n if (!BN_set_word(D, 2))\n goto err;\n } else {\n if (!BN_set_word(D, 3))\n goto err;\n if (!BN_sub(M, M, B))\n goto err;\n }\n }\n } else {\n if (!BN_div(D, M, A, B, ctx))\n goto err;\n }\n tmp = A;\n A = B;\n B = M;\n if (BN_is_one(D)) {\n if (!BN_add(tmp, X, Y))\n goto err;\n } else {\n if (BN_is_word(D, 2)) {\n if (!BN_lshift1(tmp, X))\n goto err;\n } else if (BN_is_word(D, 4)) {\n if (!BN_lshift(tmp, X, 2))\n goto err;\n } else if (D->top == 1) {\n if (!BN_copy(tmp, X))\n goto err;\n if (!BN_mul_word(tmp, D->d[0]))\n goto err;\n } else {\n if (!BN_mul(tmp, D, X, ctx))\n goto err;\n }\n if (!BN_add(tmp, tmp, Y))\n goto err;\n }\n M = Y;\n Y = X;\n X = tmp;\n sign = -sign;\n }\n }\n if (sign < 0) {\n if (!BN_sub(Y, n, Y))\n goto err;\n }\n if (BN_is_one(A)) {\n if (!Y->neg && BN_ucmp(Y, n) < 0) {\n if (!BN_copy(R, Y))\n goto err;\n } else {\n if (!BN_nnmod(R, Y, n, ctx))\n goto err;\n }\n } else {\n if (pnoinv)\n *pnoinv = 1;\n goto err;\n }\n ret = R;\n err:\n if ((ret == NULL) && (in == NULL))\n BN_free(R);\n BN_CTX_end(ctx);\n bn_check_top(ret);\n return ret;\n}', 'static BIGNUM *BN_mod_inverse_no_branch(BIGNUM *in,\n const BIGNUM *a, const BIGNUM *n,\n BN_CTX *ctx)\n{\n BIGNUM *A, *B, *X, *Y, *M, *D, *T, *R = NULL;\n BIGNUM *ret = NULL;\n int sign;\n bn_check_top(a);\n bn_check_top(n);\n BN_CTX_start(ctx);\n A = BN_CTX_get(ctx);\n B = BN_CTX_get(ctx);\n X = BN_CTX_get(ctx);\n D = BN_CTX_get(ctx);\n M = BN_CTX_get(ctx);\n Y = BN_CTX_get(ctx);\n T = BN_CTX_get(ctx);\n if (T == NULL)\n goto err;\n if (in == NULL)\n R = BN_new();\n else\n R = in;\n if (R == NULL)\n goto err;\n BN_one(X);\n BN_zero(Y);\n if (BN_copy(B, a) == NULL)\n goto err;\n if (BN_copy(A, n) == NULL)\n goto err;\n A->neg = 0;\n if (B->neg || (BN_ucmp(B, A) >= 0)) {\n {\n BIGNUM local_B;\n bn_init(&local_B);\n BN_with_flags(&local_B, B, BN_FLG_CONSTTIME);\n if (!BN_nnmod(B, &local_B, A, ctx))\n goto err;\n }\n }\n sign = -1;\n while (!BN_is_zero(B)) {\n BIGNUM *tmp;\n {\n BIGNUM local_A;\n bn_init(&local_A);\n BN_with_flags(&local_A, A, BN_FLG_CONSTTIME);\n if (!BN_div(D, M, &local_A, B, ctx))\n goto err;\n }\n tmp = A;\n A = B;\n B = M;\n if (!BN_mul(tmp, D, X, ctx))\n goto err;\n if (!BN_add(tmp, tmp, Y))\n goto err;\n M = Y;\n Y = X;\n X = tmp;\n sign = -sign;\n }\n if (sign < 0) {\n if (!BN_sub(Y, n, Y))\n goto err;\n }\n if (BN_is_one(A)) {\n if (!Y->neg && BN_ucmp(Y, n) < 0) {\n if (!BN_copy(R, Y))\n goto err;\n } else {\n if (!BN_nnmod(R, Y, n, ctx))\n goto err;\n }\n } else {\n BNerr(BN_F_BN_MOD_INVERSE_NO_BRANCH, BN_R_NO_INVERSE);\n goto err;\n }\n ret = R;\n err:\n if ((ret == NULL) && (in == NULL))\n BN_free(R);\n BN_CTX_end(ctx);\n bn_check_top(ret);\n return ret;\n}', 'int BN_nnmod(BIGNUM *r, const BIGNUM *m, const BIGNUM *d, BN_CTX *ctx)\n{\n if (!(BN_mod(r, m, d, ctx)))\n return 0;\n if (!r->neg)\n return 1;\n return (d->neg ? BN_sub : BN_add) (r, r, d);\n}', 'int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,\n BN_CTX *ctx)\n{\n int norm_shift, i, loop;\n BIGNUM *tmp, wnum, *snum, *sdiv, *res;\n BN_ULONG *resp, *wnump;\n BN_ULONG d0, d1;\n int num_n, div_n;\n int no_branch = 0;\n if ((num->top > 0 && num->d[num->top - 1] == 0) ||\n (divisor->top > 0 && divisor->d[divisor->top - 1] == 0)) {\n BNerr(BN_F_BN_DIV, BN_R_NOT_INITIALIZED);\n return 0;\n }\n bn_check_top(num);\n bn_check_top(divisor);\n if ((BN_get_flags(num, BN_FLG_CONSTTIME) != 0)\n || (BN_get_flags(divisor, BN_FLG_CONSTTIME) != 0)) {\n no_branch = 1;\n }\n bn_check_top(dv);\n bn_check_top(rm);\n if (BN_is_zero(divisor)) {\n BNerr(BN_F_BN_DIV, BN_R_DIV_BY_ZERO);\n return 0;\n }\n if (!no_branch && BN_ucmp(num, divisor) < 0) {\n if (rm != NULL) {\n if (BN_copy(rm, num) == NULL)\n return 0;\n }\n if (dv != NULL)\n BN_zero(dv);\n return 1;\n }\n BN_CTX_start(ctx);\n res = (dv == NULL) ? BN_CTX_get(ctx) : dv;\n tmp = BN_CTX_get(ctx);\n snum = BN_CTX_get(ctx);\n sdiv = BN_CTX_get(ctx);\n if (sdiv == NULL)\n goto err;\n norm_shift = BN_BITS2 - ((BN_num_bits(divisor)) % BN_BITS2);\n if (!(BN_lshift(sdiv, divisor, norm_shift)))\n goto err;\n sdiv->neg = 0;\n norm_shift += BN_BITS2;\n if (!(BN_lshift(snum, num, norm_shift)))\n goto err;\n snum->neg = 0;\n if (no_branch) {\n if (snum->top <= sdiv->top + 1) {\n if (bn_wexpand(snum, sdiv->top + 2) == NULL)\n goto err;\n for (i = snum->top; i < sdiv->top + 2; i++)\n snum->d[i] = 0;\n snum->top = sdiv->top + 2;\n } else {\n if (bn_wexpand(snum, snum->top + 1) == NULL)\n goto err;\n snum->d[snum->top] = 0;\n snum->top++;\n }\n }\n div_n = sdiv->top;\n num_n = snum->top;\n loop = num_n - div_n;\n wnum.neg = 0;\n wnum.d = &(snum->d[loop]);\n wnum.top = div_n;\n wnum.dmax = snum->dmax - loop;\n d0 = sdiv->d[div_n - 1];\n d1 = (div_n == 1) ? 0 : sdiv->d[div_n - 2];\n wnump = &(snum->d[num_n - 1]);\n if (!bn_wexpand(res, (loop + 1)))\n goto err;\n res->neg = (num->neg ^ divisor->neg);\n res->top = loop - no_branch;\n resp = &(res->d[loop - 1]);\n if (!bn_wexpand(tmp, (div_n + 1)))\n goto err;\n if (!no_branch) {\n if (BN_ucmp(&wnum, sdiv) >= 0) {\n bn_clear_top2max(&wnum);\n bn_sub_words(wnum.d, wnum.d, sdiv->d, div_n);\n *resp = 1;\n } else\n res->top--;\n }\n resp++;\n if (res->top == 0)\n res->neg = 0;\n else\n resp--;\n for (i = 0; i < loop - 1; i++, wnump--) {\n BN_ULONG q, l0;\n# if defined(BN_DIV3W) && !defined(OPENSSL_NO_ASM)\n BN_ULONG bn_div_3_words(BN_ULONG *, BN_ULONG, BN_ULONG);\n q = bn_div_3_words(wnump, d1, d0);\n# else\n BN_ULONG n0, n1, rem = 0;\n n0 = wnump[0];\n n1 = wnump[-1];\n if (n0 == d0)\n q = BN_MASK2;\n else {\n# ifdef BN_LLONG\n BN_ULLONG t2;\n# if defined(BN_LLONG) && defined(BN_DIV2W) && !defined(bn_div_words)\n q = (BN_ULONG)(((((BN_ULLONG) n0) << BN_BITS2) | n1) / d0);\n# else\n q = bn_div_words(n0, n1, d0);\n# endif\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n t2 = (BN_ULLONG) d1 *q;\n for (;;) {\n if (t2 <= ((((BN_ULLONG) rem) << BN_BITS2) | wnump[-2]))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n t2 -= d1;\n }\n# else\n BN_ULONG t2l, t2h;\n q = bn_div_words(n0, n1, d0);\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n# if defined(BN_UMULT_LOHI)\n BN_UMULT_LOHI(t2l, t2h, d1, q);\n# elif defined(BN_UMULT_HIGH)\n t2l = d1 * q;\n t2h = BN_UMULT_HIGH(d1, q);\n# else\n {\n BN_ULONG ql, qh;\n t2l = LBITS(d1);\n t2h = HBITS(d1);\n ql = LBITS(q);\n qh = HBITS(q);\n mul64(t2l, t2h, ql, qh);\n }\n# endif\n for (;;) {\n if ((t2h < rem) || ((t2h == rem) && (t2l <= wnump[-2])))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n if (t2l < d1)\n t2h--;\n t2l -= d1;\n }\n# endif\n }\n# endif\n l0 = bn_mul_words(tmp->d, sdiv->d, div_n, q);\n tmp->d[div_n] = l0;\n wnum.d--;\n if (bn_sub_words(wnum.d, wnum.d, tmp->d, div_n + 1)) {\n q--;\n if (bn_add_words(wnum.d, wnum.d, sdiv->d, div_n))\n (*wnump)++;\n }\n resp--;\n *resp = q;\n }\n bn_correct_top(snum);\n if (rm != NULL) {\n int neg = num->neg;\n BN_rshift(rm, snum, norm_shift);\n if (!BN_is_zero(rm))\n rm->neg = neg;\n bn_check_top(rm);\n }\n if (no_branch)\n bn_correct_top(res);\n BN_CTX_end(ctx);\n return 1;\n err:\n bn_check_top(rm);\n BN_CTX_end(ctx);\n return 0;\n}', 'void BN_CTX_end(BN_CTX *ctx)\n{\n CTXDBG_ENTRY("BN_CTX_end", ctx);\n if (ctx->err_stack)\n ctx->err_stack--;\n else {\n unsigned int fp = BN_STACK_pop(&ctx->stack);\n if (fp < ctx->used)\n BN_POOL_release(&ctx->pool, ctx->used - fp);\n ctx->used = fp;\n ctx->too_many = 0;\n }\n CTXDBG_EXIT(ctx);\n}', 'static unsigned int BN_STACK_pop(BN_STACK *st)\n{\n return st->indexes[--(st->depth)];\n}'] |
21,040 | 0 | https://github.com/openssl/openssl/blob/23dd0c9f8dc6f7edf4b872d13e5644dfbbee585b/crypto/asn1/a_i2d_fp.c/#L29 | int ASN1_i2d_fp(i2d_of_void *i2d, FILE *out, void *x)
{
BIO *b;
int ret;
if ((b = BIO_new(BIO_s_file())) == NULL) {
ASN1err(ASN1_F_ASN1_I2D_FP, ERR_R_BUF_LIB);
return (0);
}
BIO_set_fp(b, out, BIO_NOCLOSE);
ret = ASN1_i2d_bio(i2d, b, x);
BIO_free(b);
return (ret);
} | ['int ASN1_i2d_fp(i2d_of_void *i2d, FILE *out, void *x)\n{\n BIO *b;\n int ret;\n if ((b = BIO_new(BIO_s_file())) == NULL) {\n ASN1err(ASN1_F_ASN1_I2D_FP, ERR_R_BUF_LIB);\n return (0);\n }\n BIO_set_fp(b, out, BIO_NOCLOSE);\n ret = ASN1_i2d_bio(i2d, b, x);\n BIO_free(b);\n return (ret);\n}', 'const BIO_METHOD *BIO_s_file(void)\n{\n return (&methods_filep);\n}', 'BIO *BIO_new(const BIO_METHOD *method)\n{\n BIO *ret = OPENSSL_malloc(sizeof(*ret));\n if (ret == NULL) {\n BIOerr(BIO_F_BIO_NEW, ERR_R_MALLOC_FAILURE);\n return (NULL);\n }\n if (!BIO_set(ret, method)) {\n OPENSSL_free(ret);\n ret = NULL;\n }\n return (ret);\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)\n return malloc_impl(num, file, line);\n if (num <= 0)\n return NULL;\n allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n osslargused(file); osslargused(line);\n ret = malloc(num);\n#endif\n return ret;\n}', 'long BIO_ctrl(BIO *b, int cmd, long larg, void *parg)\n{\n long ret;\n long (*cb) (BIO *, int, const char *, int, long, long);\n if (b == NULL)\n return (0);\n if ((b->method == NULL) || (b->method->ctrl == NULL)) {\n BIOerr(BIO_F_BIO_CTRL, BIO_R_UNSUPPORTED_METHOD);\n return (-2);\n }\n cb = b->callback;\n if ((cb != NULL) &&\n ((ret = cb(b, BIO_CB_CTRL, parg, cmd, larg, 1L)) <= 0))\n return (ret);\n ret = b->method->ctrl(b, cmd, larg, parg);\n if (cb != NULL)\n ret = cb(b, BIO_CB_CTRL | BIO_CB_RETURN, parg, cmd, larg, ret);\n return (ret);\n}'] |
21,041 | 0 | https://github.com/nginx/nginx/blob/bcd78e22e97d4c870b5104d0c540caaa972176ed/src/core/ngx_hash.c/#L383 | ngx_int_t
ngx_hash_init(ngx_hash_init_t *hinit, ngx_hash_key_t *names, ngx_uint_t nelts)
{
u_char *elts;
size_t len;
u_short *test;
ngx_uint_t i, n, key, size, start, bucket_size;
ngx_hash_elt_t *elt, **buckets;
for (n = 0; n < nelts; n++) {
if (hinit->bucket_size < NGX_HASH_ELT_SIZE(&names[n]) + sizeof(void *))
{
ngx_log_error(NGX_LOG_EMERG, hinit->pool->log, 0,
"could not build the %s, you should "
"increase %s_bucket_size: %i",
hinit->name, hinit->name, hinit->bucket_size);
return NGX_ERROR;
}
}
test = ngx_alloc(hinit->max_size * sizeof(u_short), hinit->pool->log);
if (test == NULL) {
return NGX_ERROR;
}
bucket_size = hinit->bucket_size - sizeof(void *);
start = nelts / (bucket_size / (2 * sizeof(void *)));
start = start ? start : 1;
if (hinit->max_size > 10000 && hinit->max_size / nelts < 100) {
start = hinit->max_size - 1000;
}
for (size = start; size < hinit->max_size; size++) {
ngx_memzero(test, size * sizeof(u_short));
for (n = 0; n < nelts; n++) {
if (names[n].key.data == NULL) {
continue;
}
key = names[n].key_hash % size;
test[key] = (u_short) (test[key] + NGX_HASH_ELT_SIZE(&names[n]));
#if 0
ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0,
"%ui: %ui %ui \"%V\"",
size, key, test[key], &names[n].key);
#endif
if (test[key] > (u_short) bucket_size) {
goto next;
}
}
goto found;
next:
continue;
}
ngx_log_error(NGX_LOG_EMERG, hinit->pool->log, 0,
"could not build the %s, you should increase "
"either %s_max_size: %i or %s_bucket_size: %i",
hinit->name, hinit->name, hinit->max_size,
hinit->name, hinit->bucket_size);
ngx_free(test);
return NGX_ERROR;
found:
for (i = 0; i < size; i++) {
test[i] = sizeof(void *);
}
for (n = 0; n < nelts; n++) {
if (names[n].key.data == NULL) {
continue;
}
key = names[n].key_hash % size;
test[key] = (u_short) (test[key] + NGX_HASH_ELT_SIZE(&names[n]));
}
len = 0;
for (i = 0; i < size; i++) {
if (test[i] == sizeof(void *)) {
continue;
}
test[i] = (u_short) (ngx_align(test[i], ngx_cacheline_size));
len += test[i];
}
if (hinit->hash == NULL) {
hinit->hash = ngx_pcalloc(hinit->pool, sizeof(ngx_hash_wildcard_t)
+ size * sizeof(ngx_hash_elt_t *));
if (hinit->hash == NULL) {
ngx_free(test);
return NGX_ERROR;
}
buckets = (ngx_hash_elt_t **)
((u_char *) hinit->hash + sizeof(ngx_hash_wildcard_t));
} else {
buckets = ngx_pcalloc(hinit->pool, size * sizeof(ngx_hash_elt_t *));
if (buckets == NULL) {
ngx_free(test);
return NGX_ERROR;
}
}
elts = ngx_palloc(hinit->pool, len + ngx_cacheline_size);
if (elts == NULL) {
ngx_free(test);
return NGX_ERROR;
}
elts = ngx_align_ptr(elts, ngx_cacheline_size);
for (i = 0; i < size; i++) {
if (test[i] == sizeof(void *)) {
continue;
}
buckets[i] = (ngx_hash_elt_t *) elts;
elts += test[i];
}
for (i = 0; i < size; i++) {
test[i] = 0;
}
for (n = 0; n < nelts; n++) {
if (names[n].key.data == NULL) {
continue;
}
key = names[n].key_hash % size;
elt = (ngx_hash_elt_t *) ((u_char *) buckets[key] + test[key]);
elt->value = names[n].value;
elt->len = (u_short) names[n].key.len;
ngx_strlow(elt->name, names[n].key.data, names[n].key.len);
test[key] = (u_short) (test[key] + NGX_HASH_ELT_SIZE(&names[n]));
}
for (i = 0; i < size; i++) {
if (buckets[i] == NULL) {
continue;
}
elt = (ngx_hash_elt_t *) ((u_char *) buckets[i] + test[i]);
elt->value = NULL;
}
ngx_free(test);
hinit->hash->buckets = buckets;
hinit->hash->size = size;
#if 0
for (i = 0; i < size; i++) {
ngx_str_t val;
ngx_uint_t key;
elt = buckets[i];
if (elt == NULL) {
ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0,
"%ui: NULL", i);
continue;
}
while (elt->value) {
val.len = elt->len;
val.data = &elt->name[0];
key = hinit->key(val.data, val.len);
ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0,
"%ui: %p \"%V\" %ui", i, elt, &val, key);
elt = (ngx_hash_elt_t *) ngx_align_ptr(&elt->name[0] + elt->len,
sizeof(void *));
}
}
#endif
return NGX_OK;
} | ['static char *\nngx_http_referer_merge_conf(ngx_conf_t *cf, void *parent, void *child)\n{\n ngx_http_referer_conf_t *prev = parent;\n ngx_http_referer_conf_t *conf = child;\n ngx_hash_init_t hash;\n if (conf->keys == NULL) {\n conf->hash = prev->hash;\n#if (NGX_PCRE)\n ngx_conf_merge_ptr_value(conf->regex, prev->regex, NULL);\n#endif\n ngx_conf_merge_value(conf->no_referer, prev->no_referer, 0);\n ngx_conf_merge_value(conf->blocked_referer, prev->blocked_referer, 0);\n return NGX_CONF_OK;\n }\n if ((conf->no_referer == 1 || conf->blocked_referer == 1)\n && conf->keys->keys.nelts == 0\n && conf->keys->dns_wc_head.nelts == 0\n && conf->keys->dns_wc_tail.nelts == 0)\n {\n ngx_log_error(NGX_LOG_EMERG, cf->log, 0,\n "the \\"none\\" or \\"blocked\\" referers are specified "\n "in the \\"valid_referers\\" directive "\n "without any valid referer");\n return NGX_CONF_ERROR;\n }\n hash.key = ngx_hash_key_lc;\n hash.max_size = 2048;\n hash.bucket_size = 64;\n hash.name = "referers_hash";\n hash.pool = cf->pool;\n if (conf->keys->keys.nelts) {\n hash.hash = &conf->hash.hash;\n hash.temp_pool = NULL;\n if (ngx_hash_init(&hash, conf->keys->keys.elts, conf->keys->keys.nelts)\n != NGX_OK)\n {\n return NGX_CONF_ERROR;\n }\n }\n if (conf->keys->dns_wc_head.nelts) {\n ngx_qsort(conf->keys->dns_wc_head.elts,\n (size_t) conf->keys->dns_wc_head.nelts,\n sizeof(ngx_hash_key_t),\n ngx_http_cmp_referer_wildcards);\n hash.hash = NULL;\n hash.temp_pool = cf->temp_pool;\n if (ngx_hash_wildcard_init(&hash, conf->keys->dns_wc_head.elts,\n conf->keys->dns_wc_head.nelts)\n != NGX_OK)\n {\n return NGX_CONF_ERROR;\n }\n conf->hash.wc_head = (ngx_hash_wildcard_t *) hash.hash;\n }\n if (conf->keys->dns_wc_tail.nelts) {\n ngx_qsort(conf->keys->dns_wc_tail.elts,\n (size_t) conf->keys->dns_wc_tail.nelts,\n sizeof(ngx_hash_key_t),\n ngx_http_cmp_referer_wildcards);\n hash.hash = NULL;\n hash.temp_pool = cf->temp_pool;\n if (ngx_hash_wildcard_init(&hash, conf->keys->dns_wc_tail.elts,\n conf->keys->dns_wc_tail.nelts)\n != NGX_OK)\n {\n return NGX_CONF_ERROR;\n }\n conf->hash.wc_tail = (ngx_hash_wildcard_t *) hash.hash;\n }\n#if (NGX_PCRE)\n ngx_conf_merge_ptr_value(conf->regex, prev->regex, NULL);\n#endif\n if (conf->no_referer == NGX_CONF_UNSET) {\n conf->no_referer = 0;\n }\n if (conf->blocked_referer == NGX_CONF_UNSET) {\n conf->blocked_referer = 0;\n }\n conf->keys = NULL;\n return NGX_CONF_OK;\n}', 'ngx_int_t\nngx_hash_init(ngx_hash_init_t *hinit, ngx_hash_key_t *names, ngx_uint_t nelts)\n{\n u_char *elts;\n size_t len;\n u_short *test;\n ngx_uint_t i, n, key, size, start, bucket_size;\n ngx_hash_elt_t *elt, **buckets;\n for (n = 0; n < nelts; n++) {\n if (hinit->bucket_size < NGX_HASH_ELT_SIZE(&names[n]) + sizeof(void *))\n {\n ngx_log_error(NGX_LOG_EMERG, hinit->pool->log, 0,\n "could not build the %s, you should "\n "increase %s_bucket_size: %i",\n hinit->name, hinit->name, hinit->bucket_size);\n return NGX_ERROR;\n }\n }\n test = ngx_alloc(hinit->max_size * sizeof(u_short), hinit->pool->log);\n if (test == NULL) {\n return NGX_ERROR;\n }\n bucket_size = hinit->bucket_size - sizeof(void *);\n start = nelts / (bucket_size / (2 * sizeof(void *)));\n start = start ? start : 1;\n if (hinit->max_size > 10000 && hinit->max_size / nelts < 100) {\n start = hinit->max_size - 1000;\n }\n for (size = start; size < hinit->max_size; size++) {\n ngx_memzero(test, size * sizeof(u_short));\n for (n = 0; n < nelts; n++) {\n if (names[n].key.data == NULL) {\n continue;\n }\n key = names[n].key_hash % size;\n test[key] = (u_short) (test[key] + NGX_HASH_ELT_SIZE(&names[n]));\n#if 0\n ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0,\n "%ui: %ui %ui \\"%V\\"",\n size, key, test[key], &names[n].key);\n#endif\n if (test[key] > (u_short) bucket_size) {\n goto next;\n }\n }\n goto found;\n next:\n continue;\n }\n ngx_log_error(NGX_LOG_EMERG, hinit->pool->log, 0,\n "could not build the %s, you should increase "\n "either %s_max_size: %i or %s_bucket_size: %i",\n hinit->name, hinit->name, hinit->max_size,\n hinit->name, hinit->bucket_size);\n ngx_free(test);\n return NGX_ERROR;\nfound:\n for (i = 0; i < size; i++) {\n test[i] = sizeof(void *);\n }\n for (n = 0; n < nelts; n++) {\n if (names[n].key.data == NULL) {\n continue;\n }\n key = names[n].key_hash % size;\n test[key] = (u_short) (test[key] + NGX_HASH_ELT_SIZE(&names[n]));\n }\n len = 0;\n for (i = 0; i < size; i++) {\n if (test[i] == sizeof(void *)) {\n continue;\n }\n test[i] = (u_short) (ngx_align(test[i], ngx_cacheline_size));\n len += test[i];\n }\n if (hinit->hash == NULL) {\n hinit->hash = ngx_pcalloc(hinit->pool, sizeof(ngx_hash_wildcard_t)\n + size * sizeof(ngx_hash_elt_t *));\n if (hinit->hash == NULL) {\n ngx_free(test);\n return NGX_ERROR;\n }\n buckets = (ngx_hash_elt_t **)\n ((u_char *) hinit->hash + sizeof(ngx_hash_wildcard_t));\n } else {\n buckets = ngx_pcalloc(hinit->pool, size * sizeof(ngx_hash_elt_t *));\n if (buckets == NULL) {\n ngx_free(test);\n return NGX_ERROR;\n }\n }\n elts = ngx_palloc(hinit->pool, len + ngx_cacheline_size);\n if (elts == NULL) {\n ngx_free(test);\n return NGX_ERROR;\n }\n elts = ngx_align_ptr(elts, ngx_cacheline_size);\n for (i = 0; i < size; i++) {\n if (test[i] == sizeof(void *)) {\n continue;\n }\n buckets[i] = (ngx_hash_elt_t *) elts;\n elts += test[i];\n }\n for (i = 0; i < size; i++) {\n test[i] = 0;\n }\n for (n = 0; n < nelts; n++) {\n if (names[n].key.data == NULL) {\n continue;\n }\n key = names[n].key_hash % size;\n elt = (ngx_hash_elt_t *) ((u_char *) buckets[key] + test[key]);\n elt->value = names[n].value;\n elt->len = (u_short) names[n].key.len;\n ngx_strlow(elt->name, names[n].key.data, names[n].key.len);\n test[key] = (u_short) (test[key] + NGX_HASH_ELT_SIZE(&names[n]));\n }\n for (i = 0; i < size; i++) {\n if (buckets[i] == NULL) {\n continue;\n }\n elt = (ngx_hash_elt_t *) ((u_char *) buckets[i] + test[i]);\n elt->value = NULL;\n }\n ngx_free(test);\n hinit->hash->buckets = buckets;\n hinit->hash->size = size;\n#if 0\n for (i = 0; i < size; i++) {\n ngx_str_t val;\n ngx_uint_t key;\n elt = buckets[i];\n if (elt == NULL) {\n ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0,\n "%ui: NULL", i);\n continue;\n }\n while (elt->value) {\n val.len = elt->len;\n val.data = &elt->name[0];\n key = hinit->key(val.data, val.len);\n ngx_log_error(NGX_LOG_ALERT, hinit->pool->log, 0,\n "%ui: %p \\"%V\\" %ui", i, elt, &val, key);\n elt = (ngx_hash_elt_t *) ngx_align_ptr(&elt->name[0] + elt->len,\n sizeof(void *));\n }\n }\n#endif\n return NGX_OK;\n}', 'void *\nngx_pcalloc(ngx_pool_t *pool, size_t size)\n{\n void *p;\n p = ngx_palloc(pool, size);\n if (p) {\n ngx_memzero(p, size);\n }\n return p;\n}', 'void *\nngx_palloc(ngx_pool_t *pool, size_t size)\n{\n u_char *m;\n ngx_pool_t *p;\n if (size <= pool->max) {\n p = pool->current;\n do {\n m = ngx_align_ptr(p->d.last, NGX_ALIGNMENT);\n if ((size_t) (p->d.end - m) >= size) {\n p->d.last = m + size;\n return m;\n }\n p = p->d.next;\n } while (p);\n return ngx_palloc_block(pool, size);\n }\n return ngx_palloc_large(pool, size);\n}'] |
21,042 | 0 | https://github.com/openssl/openssl/blob/09977dd095f3c655c99b9e1810a213f7eafa7364/crypto/bn/bn_lib.c/#L342 | static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
{
BN_ULONG *A, *a = NULL;
const BN_ULONG *B;
int i;
bn_check_top(b);
if (words > (INT_MAX / (4 * BN_BITS2))) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);
return NULL;
}
if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);
return (NULL);
}
if (BN_get_flags(b,BN_FLG_SECURE))
a = A = OPENSSL_secure_zalloc(words * sizeof(*a));
else
a = A = OPENSSL_zalloc(words * sizeof(*a));
if (A == NULL) {
BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);
return (NULL);
}
#if 1
B = b->d;
if (B != NULL) {
for (i = b->top >> 2; i > 0; i--, A += 4, B += 4) {
BN_ULONG a0, a1, a2, a3;
a0 = B[0];
a1 = B[1];
a2 = B[2];
a3 = B[3];
A[0] = a0;
A[1] = a1;
A[2] = a2;
A[3] = a3;
}
switch (b->top & 3) {
case 3:
A[2] = B[2];
case 2:
A[1] = B[1];
case 1:
A[0] = B[0];
case 0:
;
}
}
#else
memset(A, 0, sizeof(*A) * words);
memcpy(A, b->d, sizeof(b->d[0]) * b->top);
#endif
return (a);
} | ['int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,\n BN_CTX *ctx)\n{\n int norm_shift, i, loop;\n BIGNUM *tmp, wnum, *snum, *sdiv, *res;\n BN_ULONG *resp, *wnump;\n BN_ULONG d0, d1;\n int num_n, div_n;\n int no_branch = 0;\n if ((num->top > 0 && num->d[num->top - 1] == 0) ||\n (divisor->top > 0 && divisor->d[divisor->top - 1] == 0)) {\n BNerr(BN_F_BN_DIV, BN_R_NOT_INITIALIZED);\n return 0;\n }\n bn_check_top(num);\n bn_check_top(divisor);\n if ((BN_get_flags(num, BN_FLG_CONSTTIME) != 0)\n || (BN_get_flags(divisor, BN_FLG_CONSTTIME) != 0)) {\n no_branch = 1;\n }\n bn_check_top(dv);\n bn_check_top(rm);\n if (BN_is_zero(divisor)) {\n BNerr(BN_F_BN_DIV, BN_R_DIV_BY_ZERO);\n return (0);\n }\n if (!no_branch && BN_ucmp(num, divisor) < 0) {\n if (rm != NULL) {\n if (BN_copy(rm, num) == NULL)\n return (0);\n }\n if (dv != NULL)\n BN_zero(dv);\n return (1);\n }\n BN_CTX_start(ctx);\n tmp = BN_CTX_get(ctx);\n snum = BN_CTX_get(ctx);\n sdiv = BN_CTX_get(ctx);\n if (dv == NULL)\n res = BN_CTX_get(ctx);\n else\n res = dv;\n if (sdiv == NULL || res == NULL || tmp == NULL || snum == NULL)\n goto err;\n norm_shift = BN_BITS2 - ((BN_num_bits(divisor)) % BN_BITS2);\n if (!(BN_lshift(sdiv, divisor, norm_shift)))\n goto err;\n sdiv->neg = 0;\n norm_shift += BN_BITS2;\n if (!(BN_lshift(snum, num, norm_shift)))\n goto err;\n snum->neg = 0;\n if (no_branch) {\n if (snum->top <= sdiv->top + 1) {\n if (bn_wexpand(snum, sdiv->top + 2) == NULL)\n goto err;\n for (i = snum->top; i < sdiv->top + 2; i++)\n snum->d[i] = 0;\n snum->top = sdiv->top + 2;\n } else {\n if (bn_wexpand(snum, snum->top + 1) == NULL)\n goto err;\n snum->d[snum->top] = 0;\n snum->top++;\n }\n }\n div_n = sdiv->top;\n num_n = snum->top;\n loop = num_n - div_n;\n wnum.neg = 0;\n wnum.d = &(snum->d[loop]);\n wnum.top = div_n;\n wnum.dmax = snum->dmax - loop;\n d0 = sdiv->d[div_n - 1];\n d1 = (div_n == 1) ? 0 : sdiv->d[div_n - 2];\n wnump = &(snum->d[num_n - 1]);\n res->neg = (num->neg ^ divisor->neg);\n if (!bn_wexpand(res, (loop + 1)))\n goto err;\n res->top = loop - no_branch;\n resp = &(res->d[loop - 1]);\n if (!bn_wexpand(tmp, (div_n + 1)))\n goto err;\n if (!no_branch) {\n if (BN_ucmp(&wnum, sdiv) >= 0) {\n bn_clear_top2max(&wnum);\n bn_sub_words(wnum.d, wnum.d, sdiv->d, div_n);\n *resp = 1;\n } else\n res->top--;\n }\n if (res->top == 0)\n res->neg = 0;\n else\n resp--;\n for (i = 0; i < loop - 1; i++, wnump--, resp--) {\n BN_ULONG q, l0;\n# if defined(BN_DIV3W) && !defined(OPENSSL_NO_ASM)\n BN_ULONG bn_div_3_words(BN_ULONG *, BN_ULONG, BN_ULONG);\n q = bn_div_3_words(wnump, d1, d0);\n# else\n BN_ULONG n0, n1, rem = 0;\n n0 = wnump[0];\n n1 = wnump[-1];\n if (n0 == d0)\n q = BN_MASK2;\n else {\n# ifdef BN_LLONG\n BN_ULLONG t2;\n# if defined(BN_LLONG) && defined(BN_DIV2W) && !defined(bn_div_words)\n q = (BN_ULONG)(((((BN_ULLONG) n0) << BN_BITS2) | n1) / d0);\n# else\n q = bn_div_words(n0, n1, d0);\n# endif\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n t2 = (BN_ULLONG) d1 *q;\n for (;;) {\n if (t2 <= ((((BN_ULLONG) rem) << BN_BITS2) | wnump[-2]))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n t2 -= d1;\n }\n# else\n BN_ULONG t2l, t2h;\n q = bn_div_words(n0, n1, d0);\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n# if defined(BN_UMULT_LOHI)\n BN_UMULT_LOHI(t2l, t2h, d1, q);\n# elif defined(BN_UMULT_HIGH)\n t2l = d1 * q;\n t2h = BN_UMULT_HIGH(d1, q);\n# else\n {\n BN_ULONG ql, qh;\n t2l = LBITS(d1);\n t2h = HBITS(d1);\n ql = LBITS(q);\n qh = HBITS(q);\n mul64(t2l, t2h, ql, qh);\n }\n# endif\n for (;;) {\n if ((t2h < rem) || ((t2h == rem) && (t2l <= wnump[-2])))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n if (t2l < d1)\n t2h--;\n t2l -= d1;\n }\n# endif\n }\n# endif\n l0 = bn_mul_words(tmp->d, sdiv->d, div_n, q);\n tmp->d[div_n] = l0;\n wnum.d--;\n if (bn_sub_words(wnum.d, wnum.d, tmp->d, div_n + 1)) {\n q--;\n if (bn_add_words(wnum.d, wnum.d, sdiv->d, div_n))\n (*wnump)++;\n }\n *resp = q;\n }\n bn_correct_top(snum);\n if (rm != NULL) {\n int neg = num->neg;\n BN_rshift(rm, snum, norm_shift);\n if (!BN_is_zero(rm))\n rm->neg = neg;\n bn_check_top(rm);\n }\n if (no_branch)\n bn_correct_top(res);\n BN_CTX_end(ctx);\n return (1);\n err:\n bn_check_top(rm);\n BN_CTX_end(ctx);\n return (0);\n}', 'BIGNUM *BN_CTX_get(BN_CTX *ctx)\n{\n BIGNUM *ret;\n CTXDBG_ENTRY("BN_CTX_get", ctx);\n if (ctx->err_stack || ctx->too_many)\n return NULL;\n if ((ret = BN_POOL_get(&ctx->pool, ctx->flags)) == NULL) {\n ctx->too_many = 1;\n BNerr(BN_F_BN_CTX_GET, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n return NULL;\n }\n BN_zero(ret);\n ctx->used++;\n CTXDBG_RET(ctx, ret);\n return ret;\n}', 'int BN_set_word(BIGNUM *a, BN_ULONG w)\n{\n bn_check_top(a);\n if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)\n return (0);\n a->neg = 0;\n a->d[0] = w;\n a->top = (w ? 1 : 0);\n bn_check_top(a);\n return (1);\n}', 'static ossl_inline BIGNUM *bn_expand(BIGNUM *a, int bits)\n{\n if (bits > (INT_MAX - BN_BITS2 + 1))\n return NULL;\n if(((bits+BN_BITS2-1)/BN_BITS2) <= (a)->dmax)\n return a;\n return bn_expand2((a),(bits+BN_BITS2-1)/BN_BITS2);\n}', 'int BN_lshift(BIGNUM *r, const BIGNUM *a, int n)\n{\n int i, nw, lb, rb;\n BN_ULONG *t, *f;\n BN_ULONG l;\n bn_check_top(r);\n bn_check_top(a);\n if (n < 0) {\n BNerr(BN_F_BN_LSHIFT, BN_R_INVALID_SHIFT);\n return 0;\n }\n r->neg = a->neg;\n nw = n / BN_BITS2;\n if (bn_wexpand(r, a->top + nw + 1) == NULL)\n return (0);\n lb = n % BN_BITS2;\n rb = BN_BITS2 - lb;\n f = a->d;\n t = r->d;\n t[a->top + nw] = 0;\n if (lb == 0)\n for (i = a->top - 1; i >= 0; i--)\n t[nw + i] = f[i];\n else\n for (i = a->top - 1; i >= 0; i--) {\n l = f[i];\n t[nw + i + 1] |= (l >> rb) & BN_MASK2;\n t[nw + i] = (l << lb) & BN_MASK2;\n }\n memset(t, 0, sizeof(*t) * nw);\n r->top = a->top + nw + 1;\n bn_correct_top(r);\n bn_check_top(r);\n return (1);\n}', 'BIGNUM *bn_wexpand(BIGNUM *a, int words)\n{\n return (words <= a->dmax) ? a : bn_expand2(a, words);\n}', 'BIGNUM *bn_expand2(BIGNUM *b, int words)\n{\n bn_check_top(b);\n if (words > b->dmax) {\n BN_ULONG *a = bn_expand_internal(b, words);\n if (!a)\n return NULL;\n if (b->d) {\n OPENSSL_cleanse(b->d, b->dmax * sizeof(b->d[0]));\n bn_free_d(b);\n }\n b->d = a;\n b->dmax = words;\n }\n bn_check_top(b);\n return b;\n}', 'static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)\n{\n BN_ULONG *A, *a = NULL;\n const BN_ULONG *B;\n int i;\n bn_check_top(b);\n if (words > (INT_MAX / (4 * BN_BITS2))) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);\n return NULL;\n }\n if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);\n return (NULL);\n }\n if (BN_get_flags(b,BN_FLG_SECURE))\n a = A = OPENSSL_secure_zalloc(words * sizeof(*a));\n else\n a = A = OPENSSL_zalloc(words * sizeof(*a));\n if (A == NULL) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);\n return (NULL);\n }\n#if 1\n B = b->d;\n if (B != NULL) {\n for (i = b->top >> 2; i > 0; i--, A += 4, B += 4) {\n BN_ULONG a0, a1, a2, a3;\n a0 = B[0];\n a1 = B[1];\n a2 = B[2];\n a3 = B[3];\n A[0] = a0;\n A[1] = a1;\n A[2] = a2;\n A[3] = a3;\n }\n switch (b->top & 3) {\n case 3:\n A[2] = B[2];\n case 2:\n A[1] = B[1];\n case 1:\n A[0] = B[0];\n case 0:\n ;\n }\n }\n#else\n memset(A, 0, sizeof(*A) * words);\n memcpy(A, b->d, sizeof(b->d[0]) * b->top);\n#endif\n return (a);\n}'] |
21,043 | 0 | https://github.com/openssl/openssl/blob/f3f52d7f45967af4f70045921dfa12e6faedcc92/engines/e_sureware.c/#L700 | static EVP_PKEY* sureware_load_public(ENGINE *e,const char *key_id,char *hptr,unsigned long el,char keytype)
{
EVP_PKEY *res = NULL;
#ifndef OPENSSL_NO_RSA
RSA *rsatmp = NULL;
#endif
#ifndef OPENSSL_NO_DSA
DSA *dsatmp=NULL;
#endif
char msg[64]="sureware_load_public";
int ret=0;
if(!p_surewarehk_Load_Rsa_Pubkey || !p_surewarehk_Load_Dsa_Pubkey)
{
SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PUBLIC_KEY,ENGINE_R_NOT_INITIALISED);
goto err;
}
switch (keytype)
{
#ifndef OPENSSL_NO_RSA
case 1:
rsatmp = RSA_new_method(e);
RSA_set_ex_data(rsatmp,rsaHndidx,hptr);
rsatmp->flags |= RSA_FLAG_EXT_PKEY;
rsatmp->e = BN_new();
rsatmp->n = BN_new();
bn_expand2(rsatmp->e, el/sizeof(BN_ULONG));
bn_expand2(rsatmp->n, el/sizeof(BN_ULONG));
if (!rsatmp->e || rsatmp->e->dmax!=(int)(el/sizeof(BN_ULONG))||
!rsatmp->n || rsatmp->n->dmax!=(int)(el/sizeof(BN_ULONG)))
goto err;
ret=p_surewarehk_Load_Rsa_Pubkey(msg,key_id,el,
(unsigned long *)rsatmp->n->d,
(unsigned long *)rsatmp->e->d);
surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_LOAD_PUBLIC_KEY,ret);
if (ret!=1)
{
SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVATE_KEY,ENGINE_R_FAILED_LOADING_PUBLIC_KEY);
goto err;
}
rsatmp->e->top=el/sizeof(BN_ULONG);
bn_fix_top(rsatmp->e);
rsatmp->n->top=el/sizeof(BN_ULONG);
bn_fix_top(rsatmp->n);
res = EVP_PKEY_new();
EVP_PKEY_assign_RSA(res, rsatmp);
break;
#endif
#ifndef OPENSSL_NO_DSA
case 2:
dsatmp = DSA_new_method(e);
DSA_set_ex_data(dsatmp,dsaHndidx,hptr);
dsatmp->pub_key = BN_new();
dsatmp->p = BN_new();
dsatmp->q = BN_new();
dsatmp->g = BN_new();
bn_expand2(dsatmp->pub_key, el/sizeof(BN_ULONG));
bn_expand2(dsatmp->p, el/sizeof(BN_ULONG));
bn_expand2(dsatmp->q, 20/sizeof(BN_ULONG));
bn_expand2(dsatmp->g, el/sizeof(BN_ULONG));
if (!dsatmp->pub_key || dsatmp->pub_key->dmax!=(int)(el/sizeof(BN_ULONG))||
!dsatmp->p || dsatmp->p->dmax!=(int)(el/sizeof(BN_ULONG)) ||
!dsatmp->q || dsatmp->q->dmax!=20/sizeof(BN_ULONG) ||
!dsatmp->g || dsatmp->g->dmax!=(int)(el/sizeof(BN_ULONG)))
goto err;
ret=p_surewarehk_Load_Dsa_Pubkey(msg,key_id,el,
(unsigned long *)dsatmp->pub_key->d,
(unsigned long *)dsatmp->p->d,
(unsigned long *)dsatmp->q->d,
(unsigned long *)dsatmp->g->d);
surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_LOAD_PUBLIC_KEY,ret);
if (ret!=1)
{
SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVATE_KEY,ENGINE_R_FAILED_LOADING_PUBLIC_KEY);
goto err;
}
dsatmp->pub_key->top=el/sizeof(BN_ULONG);
bn_fix_top(dsatmp->pub_key);
dsatmp->p->top=el/sizeof(BN_ULONG);
bn_fix_top(dsatmp->p);
dsatmp->q->top=20/sizeof(BN_ULONG);
bn_fix_top(dsatmp->q);
dsatmp->g->top=el/sizeof(BN_ULONG);
bn_fix_top(dsatmp->g);
res = EVP_PKEY_new();
EVP_PKEY_assign_DSA(res, dsatmp);
break;
#endif
default:
SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVATE_KEY,ENGINE_R_FAILED_LOADING_PRIVATE_KEY);
goto err;
}
return res;
err:
if (res)
EVP_PKEY_free(res);
#ifndef OPENSSL_NO_RSA
if (rsatmp)
RSA_free(rsatmp);
#endif
#ifndef OPENSSL_NO_DSA
if (dsatmp)
DSA_free(dsatmp);
#endif
return NULL;
} | ['static EVP_PKEY* sureware_load_public(ENGINE *e,const char *key_id,char *hptr,unsigned long el,char keytype)\n{\n\tEVP_PKEY *res = NULL;\n#ifndef OPENSSL_NO_RSA\n\tRSA *rsatmp = NULL;\n#endif\n#ifndef OPENSSL_NO_DSA\n\tDSA *dsatmp=NULL;\n#endif\n\tchar msg[64]="sureware_load_public";\n\tint ret=0;\n\tif(!p_surewarehk_Load_Rsa_Pubkey || !p_surewarehk_Load_Dsa_Pubkey)\n\t{\n\t\tSUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PUBLIC_KEY,ENGINE_R_NOT_INITIALISED);\n\t\tgoto err;\n\t}\n\tswitch (keytype)\n\t{\n#ifndef OPENSSL_NO_RSA\n\tcase 1:\n\t\trsatmp = RSA_new_method(e);\n\t\tRSA_set_ex_data(rsatmp,rsaHndidx,hptr);\n\t\trsatmp->flags |= RSA_FLAG_EXT_PKEY;\n\t\trsatmp->e = BN_new();\n\t\trsatmp->n = BN_new();\n\t\tbn_expand2(rsatmp->e, el/sizeof(BN_ULONG));\n\t\tbn_expand2(rsatmp->n, el/sizeof(BN_ULONG));\n\t\tif (!rsatmp->e || rsatmp->e->dmax!=(int)(el/sizeof(BN_ULONG))||\n\t\t\t!rsatmp->n || rsatmp->n->dmax!=(int)(el/sizeof(BN_ULONG)))\n\t\t\tgoto err;\n\t\tret=p_surewarehk_Load_Rsa_Pubkey(msg,key_id,el,\n\t\t\t\t\t\t (unsigned long *)rsatmp->n->d,\n\t\t\t\t\t\t (unsigned long *)rsatmp->e->d);\n\t\tsurewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_LOAD_PUBLIC_KEY,ret);\n\t\tif (ret!=1)\n\t\t{\n\t\t\tSUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVATE_KEY,ENGINE_R_FAILED_LOADING_PUBLIC_KEY);\n\t\t\tgoto err;\n\t\t}\n\t\trsatmp->e->top=el/sizeof(BN_ULONG);\n\t\tbn_fix_top(rsatmp->e);\n\t\trsatmp->n->top=el/sizeof(BN_ULONG);\n\t\tbn_fix_top(rsatmp->n);\n\t\tres = EVP_PKEY_new();\n\t\tEVP_PKEY_assign_RSA(res, rsatmp);\n\t\tbreak;\n#endif\n#ifndef OPENSSL_NO_DSA\n\tcase 2:\n\t\tdsatmp = DSA_new_method(e);\n\t\tDSA_set_ex_data(dsatmp,dsaHndidx,hptr);\n\t\tdsatmp->pub_key = BN_new();\n\t\tdsatmp->p = BN_new();\n\t\tdsatmp->q = BN_new();\n\t\tdsatmp->g = BN_new();\n\t\tbn_expand2(dsatmp->pub_key, el/sizeof(BN_ULONG));\n\t\tbn_expand2(dsatmp->p, el/sizeof(BN_ULONG));\n\t\tbn_expand2(dsatmp->q, 20/sizeof(BN_ULONG));\n\t\tbn_expand2(dsatmp->g, el/sizeof(BN_ULONG));\n\t\tif (!dsatmp->pub_key || dsatmp->pub_key->dmax!=(int)(el/sizeof(BN_ULONG))||\n\t\t\t!dsatmp->p || dsatmp->p->dmax!=(int)(el/sizeof(BN_ULONG)) ||\n\t\t\t!dsatmp->q || dsatmp->q->dmax!=20/sizeof(BN_ULONG) ||\n\t\t\t!dsatmp->g || dsatmp->g->dmax!=(int)(el/sizeof(BN_ULONG)))\n\t\t\tgoto err;\n\t\tret=p_surewarehk_Load_Dsa_Pubkey(msg,key_id,el,\n\t\t\t\t\t\t (unsigned long *)dsatmp->pub_key->d,\n\t\t\t\t\t\t (unsigned long *)dsatmp->p->d,\n\t\t\t\t\t\t (unsigned long *)dsatmp->q->d,\n\t\t\t\t\t\t (unsigned long *)dsatmp->g->d);\n\t\tsurewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_LOAD_PUBLIC_KEY,ret);\n\t\tif (ret!=1)\n\t\t{\n\t\t\tSUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVATE_KEY,ENGINE_R_FAILED_LOADING_PUBLIC_KEY);\n\t\t\tgoto err;\n\t\t}\n\t\tdsatmp->pub_key->top=el/sizeof(BN_ULONG);\n\t\tbn_fix_top(dsatmp->pub_key);\n\t\tdsatmp->p->top=el/sizeof(BN_ULONG);\n\t\tbn_fix_top(dsatmp->p);\n\t\tdsatmp->q->top=20/sizeof(BN_ULONG);\n\t\tbn_fix_top(dsatmp->q);\n\t\tdsatmp->g->top=el/sizeof(BN_ULONG);\n\t\tbn_fix_top(dsatmp->g);\n\t\tres = EVP_PKEY_new();\n\t\tEVP_PKEY_assign_DSA(res, dsatmp);\n\t\tbreak;\n#endif\n\tdefault:\n\t\tSUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVATE_KEY,ENGINE_R_FAILED_LOADING_PRIVATE_KEY);\n\t\tgoto err;\n\t}\n\treturn res;\n err:\n\tif (res)\n\t\tEVP_PKEY_free(res);\n#ifndef OPENSSL_NO_RSA\n\tif (rsatmp)\n\t\tRSA_free(rsatmp);\n#endif\n#ifndef OPENSSL_NO_DSA\n\tif (dsatmp)\n\t\tDSA_free(dsatmp);\n#endif\n\treturn NULL;\n}', 'DSA *DSA_new_method(ENGINE *engine)\n\t{\n\tDSA *ret;\n\tret=(DSA *)OPENSSL_malloc(sizeof(DSA));\n\tif (ret == NULL)\n\t\t{\n\t\tDSAerr(DSA_F_DSA_NEW_METHOD,ERR_R_MALLOC_FAILURE);\n\t\treturn(NULL);\n\t\t}\n\tret->meth = DSA_get_default_method();\n#ifndef OPENSSL_NO_ENGINE\n\tif (engine)\n\t\t{\n\t\tif (!ENGINE_init(engine))\n\t\t\t{\n\t\t\tDSAerr(DSA_F_DSA_NEW_METHOD, ERR_R_ENGINE_LIB);\n\t\t\tOPENSSL_free(ret);\n\t\t\treturn NULL;\n\t\t\t}\n\t\tret->engine = engine;\n\t\t}\n\telse\n\t\tret->engine = ENGINE_get_default_DSA();\n\tif(ret->engine)\n\t\t{\n\t\tret->meth = ENGINE_get_DSA(ret->engine);\n\t\tif(!ret->meth)\n\t\t\t{\n\t\t\tDSAerr(DSA_F_DSA_NEW_METHOD,\n\t\t\t\tERR_R_ENGINE_LIB);\n\t\t\tENGINE_finish(ret->engine);\n\t\t\tOPENSSL_free(ret);\n\t\t\treturn NULL;\n\t\t\t}\n\t\t}\n#endif\n\tret->pad=0;\n\tret->version=0;\n\tret->write_params=1;\n\tret->p=NULL;\n\tret->q=NULL;\n\tret->g=NULL;\n\tret->pub_key=NULL;\n\tret->priv_key=NULL;\n\tret->kinv=NULL;\n\tret->r=NULL;\n\tret->method_mont_p=NULL;\n\tret->references=1;\n\tret->flags=ret->meth->flags;\n\tCRYPTO_new_ex_data(CRYPTO_EX_INDEX_DSA, ret, &ret->ex_data);\n\tif ((ret->meth->init != NULL) && !ret->meth->init(ret))\n\t\t{\n#ifndef OPENSSL_NO_ENGINE\n\t\tif (ret->engine)\n\t\t\tENGINE_finish(ret->engine);\n#endif\n\t\tCRYPTO_free_ex_data(CRYPTO_EX_INDEX_DSA, ret, &ret->ex_data);\n\t\tOPENSSL_free(ret);\n\t\tret=NULL;\n\t\t}\n\treturn(ret);\n\t}', 'void *CRYPTO_malloc(int num, const char *file, int line)\n\t{\n\tvoid *ret = NULL;\n\textern unsigned char cleanse_ctr;\n\tif (num <= 0) return NULL;\n\tallow_customize = 0;\n\tif (malloc_debug_func != NULL)\n\t\t{\n\t\tallow_customize_debug = 0;\n\t\tmalloc_debug_func(NULL, num, file, line, 0);\n\t\t}\n\tret = malloc_ex_func(num,file,line);\n#ifdef LEVITTE_DEBUG_MEM\n\tfprintf(stderr, "LEVITTE_DEBUG_MEM: > 0x%p (%d)\\n", ret, num);\n#endif\n\tif (malloc_debug_func != NULL)\n\t\tmalloc_debug_func(ret, num, file, line, 1);\n if(ret && (num > 2048))\n ((unsigned char *)ret)[0] = cleanse_ctr;\n\treturn ret;\n\t}', 'void ERR_put_error(int lib, int func, int reason, const char *file,\n\t int line)\n\t{\n\tERR_STATE *es;\n#ifdef _OSD_POSIX\n\tif (strncmp(file,"*POSIX(", sizeof("*POSIX(")-1) == 0) {\n\t\tchar *end;\n\t\tfile += sizeof("*POSIX(")-1;\n\t\tend = &file[strlen(file)-1];\n\t\tif (*end == \')\')\n\t\t\t*end = \'\\0\';\n\t\tif ((end = strrchr(file, \'/\')) != NULL)\n\t\t\tfile = &end[1];\n\t}\n#endif\n\tes=ERR_get_state();\n\tes->top=(es->top+1)%ERR_NUM_ERRORS;\n\tif (es->top == es->bottom)\n\t\tes->bottom=(es->bottom+1)%ERR_NUM_ERRORS;\n\tes->err_flags[es->top]=0;\n\tes->err_buffer[es->top]=ERR_PACK(lib,func,reason);\n\tes->err_file[es->top]=file;\n\tes->err_line[es->top]=line;\n\terr_clear_data(es,es->top);\n\t}'] |
21,044 | 0 | https://github.com/openssl/openssl/blob/0f3ffbd1581fad58095fedcc32b0da42a486b8b7/test/handshake_helper.c/#L126 | static int select_server_ctx(SSL *s, void *arg, int ignore)
{
const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
HANDSHAKE_EX_DATA *ex_data =
(HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx));
if (servername == NULL) {
ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;
return SSL_TLSEXT_ERR_NOACK;
}
if (strcmp(servername, "server2") == 0) {
SSL_CTX *new_ctx = (SSL_CTX*)arg;
SSL_set_SSL_CTX(s, new_ctx);
SSL_clear_options(s, 0xFFFFFFFFL);
SSL_set_options(s, SSL_CTX_get_options(new_ctx));
ex_data->servername = SSL_TEST_SERVERNAME_SERVER2;
return SSL_TLSEXT_ERR_OK;
} else if (strcmp(servername, "server1") == 0) {
ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;
return SSL_TLSEXT_ERR_OK;
} else if (ignore) {
ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;
return SSL_TLSEXT_ERR_NOACK;
} else {
return SSL_TLSEXT_ERR_ALERT_FATAL;
}
} | ['static int select_server_ctx(SSL *s, void *arg, int ignore)\n{\n const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);\n HANDSHAKE_EX_DATA *ex_data =\n (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx));\n if (servername == NULL) {\n ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;\n return SSL_TLSEXT_ERR_NOACK;\n }\n if (strcmp(servername, "server2") == 0) {\n SSL_CTX *new_ctx = (SSL_CTX*)arg;\n SSL_set_SSL_CTX(s, new_ctx);\n SSL_clear_options(s, 0xFFFFFFFFL);\n SSL_set_options(s, SSL_CTX_get_options(new_ctx));\n ex_data->servername = SSL_TEST_SERVERNAME_SERVER2;\n return SSL_TLSEXT_ERR_OK;\n } else if (strcmp(servername, "server1") == 0) {\n ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;\n return SSL_TLSEXT_ERR_OK;\n } else if (ignore) {\n ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;\n return SSL_TLSEXT_ERR_NOACK;\n } else {\n return SSL_TLSEXT_ERR_ALERT_FATAL;\n }\n}', 'const char *SSL_get_servername(const SSL *s, const int type)\n{\n if (type != TLSEXT_NAMETYPE_host_name)\n return NULL;\n return s->session && !s->ext.hostname ?\n s->session->ext.hostname : s->ext.hostname;\n}', 'void *SSL_get_ex_data(const SSL *s, int idx)\n{\n return (CRYPTO_get_ex_data(&s->ex_data, idx));\n}', 'void *CRYPTO_get_ex_data(const CRYPTO_EX_DATA *ad, int idx)\n{\n if (ad->sk == NULL || idx >= sk_void_num(ad->sk))\n return NULL;\n return sk_void_value(ad->sk, idx);\n}', 'SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX *ctx)\n{\n CERT *new_cert;\n if (ssl->ctx == ctx)\n return ssl->ctx;\n if (ctx == NULL)\n ctx = ssl->session_ctx;\n new_cert = ssl_cert_dup(ctx->cert);\n if (new_cert == NULL) {\n return NULL;\n }\n if (!custom_exts_copy_flags(&new_cert->custext, &ssl->cert->custext)) {\n ssl_cert_free(new_cert);\n return NULL;\n }\n ssl_cert_free(ssl->cert);\n ssl->cert = new_cert;\n if (!ossl_assert(ssl->sid_ctx_length <= sizeof(ssl->sid_ctx)))\n return NULL;\n if ((ssl->ctx != NULL) &&\n (ssl->sid_ctx_length == ssl->ctx->sid_ctx_length) &&\n (memcmp(ssl->sid_ctx, ssl->ctx->sid_ctx, ssl->sid_ctx_length) == 0)) {\n ssl->sid_ctx_length = ctx->sid_ctx_length;\n memcpy(&ssl->sid_ctx, &ctx->sid_ctx, sizeof(ssl->sid_ctx));\n }\n SSL_CTX_up_ref(ctx);\n SSL_CTX_free(ssl->ctx);\n ssl->ctx = ctx;\n return ssl->ctx;\n}', 'void ssl_cert_free(CERT *c)\n{\n int i;\n if (c == NULL)\n return;\n CRYPTO_DOWN_REF(&c->references, &i, c->lock);\n REF_PRINT_COUNT("CERT", c);\n if (i > 0)\n return;\n REF_ASSERT_ISNT(i < 0);\n#ifndef OPENSSL_NO_DH\n EVP_PKEY_free(c->dh_tmp);\n#endif\n ssl_cert_clear_certs(c);\n OPENSSL_free(c->conf_sigalgs);\n OPENSSL_free(c->client_sigalgs);\n OPENSSL_free(c->shared_sigalgs);\n OPENSSL_free(c->ctype);\n X509_STORE_free(c->verify_store);\n X509_STORE_free(c->chain_store);\n custom_exts_free(&c->custext);\n#ifndef OPENSSL_NO_PSK\n OPENSSL_free(c->psk_identity_hint);\n#endif\n CRYPTO_THREAD_lock_free(c->lock);\n OPENSSL_free(c);\n}', 'unsigned long SSL_clear_options(SSL *s, unsigned long op)\n{\n return s->options &= ~op;\n}', 'unsigned long SSL_CTX_get_options(const SSL_CTX *ctx)\n{\n return ctx->options;\n}', 'unsigned long SSL_set_options(SSL *s, unsigned long op)\n{\n return s->options |= op;\n}'] |
21,045 | 0 | https://github.com/libav/libav/blob/3b2fbe67bd63b00331db2a9b213f6d420418a312/libavcodec/opus_celt.c/#L820 | static void celt_decode_allocation(CeltContext *s, OpusRangeCoder *rc)
{
int cap[CELT_MAX_BANDS];
int boost[CELT_MAX_BANDS];
int threshold[CELT_MAX_BANDS];
int bits1[CELT_MAX_BANDS];
int bits2[CELT_MAX_BANDS];
int trim_offset[CELT_MAX_BANDS];
int skip_startband = s->startband;
int dynalloc = 6;
int alloctrim = 5;
int extrabits = 0;
int skip_bit = 0;
int intensitystereo_bit = 0;
int dualstereo_bit = 0;
int remaining, bandbits;
int low, high, total, done;
int totalbits;
int consumed;
int i, j;
consumed = opus_rc_tell(rc);
s->spread = CELT_SPREAD_NORMAL;
if (consumed + 4 <= s->framebits)
s->spread = opus_rc_getsymbol(rc, celt_model_spread);
for (i = 0; i < CELT_MAX_BANDS; i++) {
cap[i] = (celt_static_caps[s->duration][s->coded_channels - 1][i] + 64)
* celt_freq_range[i] << (s->coded_channels - 1) << s->duration >> 2;
}
totalbits = s->framebits << 3;
consumed = opus_rc_tell_frac(rc);
for (i = s->startband; i < s->endband; i++) {
int quanta, band_dynalloc;
boost[i] = 0;
quanta = celt_freq_range[i] << (s->coded_channels - 1) << s->duration;
quanta = FFMIN(quanta << 3, FFMAX(6 << 3, quanta));
band_dynalloc = dynalloc;
while (consumed + (band_dynalloc<<3) < totalbits && boost[i] < cap[i]) {
int add = opus_rc_p2model(rc, band_dynalloc);
consumed = opus_rc_tell_frac(rc);
if (!add)
break;
boost[i] += quanta;
totalbits -= quanta;
band_dynalloc = 1;
}
if (boost[i])
dynalloc = FFMAX(2, dynalloc - 1);
}
if (consumed + (6 << 3) <= totalbits)
alloctrim = opus_rc_getsymbol(rc, celt_model_alloc_trim);
totalbits = (s->framebits << 3) - opus_rc_tell_frac(rc) - 1;
s->anticollapse_bit = 0;
if (s->blocks > 1 && s->duration >= 2 &&
totalbits >= ((s->duration + 2) << 3))
s->anticollapse_bit = 1 << 3;
totalbits -= s->anticollapse_bit;
if (totalbits >= 1 << 3)
skip_bit = 1 << 3;
totalbits -= skip_bit;
if (s->coded_channels == 2) {
intensitystereo_bit = celt_log2_frac[s->endband - s->startband];
if (intensitystereo_bit <= totalbits) {
totalbits -= intensitystereo_bit;
if (totalbits >= 1 << 3) {
dualstereo_bit = 1 << 3;
totalbits -= 1 << 3;
}
} else
intensitystereo_bit = 0;
}
for (i = s->startband; i < s->endband; i++) {
int trim = alloctrim - 5 - s->duration;
int band = celt_freq_range[i] * (s->endband - i - 1);
int duration = s->duration + 3;
int scale = duration + s->coded_channels - 1;
threshold[i] = FFMAX(3 * celt_freq_range[i] << duration >> 4,
s->coded_channels << 3);
trim_offset[i] = trim * (band << scale) >> 6;
if (celt_freq_range[i] << s->duration == 1)
trim_offset[i] -= s->coded_channels << 3;
}
low = 1;
high = CELT_VECTORS - 1;
while (low <= high) {
int center = (low + high) >> 1;
done = total = 0;
for (i = s->endband - 1; i >= s->startband; i--) {
bandbits = celt_freq_range[i] * celt_static_alloc[center][i]
<< (s->coded_channels - 1) << s->duration >> 2;
if (bandbits)
bandbits = FFMAX(0, bandbits + trim_offset[i]);
bandbits += boost[i];
if (bandbits >= threshold[i] || done) {
done = 1;
total += FFMIN(bandbits, cap[i]);
} else if (bandbits >= s->coded_channels << 3)
total += s->coded_channels << 3;
}
if (total > totalbits)
high = center - 1;
else
low = center + 1;
}
high = low--;
for (i = s->startband; i < s->endband; i++) {
bits1[i] = celt_freq_range[i] * celt_static_alloc[low][i]
<< (s->coded_channels - 1) << s->duration >> 2;
bits2[i] = high >= CELT_VECTORS ? cap[i] :
celt_freq_range[i] * celt_static_alloc[high][i]
<< (s->coded_channels - 1) << s->duration >> 2;
if (bits1[i])
bits1[i] = FFMAX(0, bits1[i] + trim_offset[i]);
if (bits2[i])
bits2[i] = FFMAX(0, bits2[i] + trim_offset[i]);
if (low)
bits1[i] += boost[i];
bits2[i] += boost[i];
if (boost[i])
skip_startband = i;
bits2[i] = FFMAX(0, bits2[i] - bits1[i]);
}
low = 0;
high = 1 << CELT_ALLOC_STEPS;
for (i = 0; i < CELT_ALLOC_STEPS; i++) {
int center = (low + high) >> 1;
done = total = 0;
for (j = s->endband - 1; j >= s->startband; j--) {
bandbits = bits1[j] + (center * bits2[j] >> CELT_ALLOC_STEPS);
if (bandbits >= threshold[j] || done) {
done = 1;
total += FFMIN(bandbits, cap[j]);
} else if (bandbits >= s->coded_channels << 3)
total += s->coded_channels << 3;
}
if (total > totalbits)
high = center;
else
low = center;
}
done = total = 0;
for (i = s->endband - 1; i >= s->startband; i--) {
bandbits = bits1[i] + (low * bits2[i] >> CELT_ALLOC_STEPS);
if (bandbits >= threshold[i] || done)
done = 1;
else
bandbits = (bandbits >= s->coded_channels << 3) ?
s->coded_channels << 3 : 0;
bandbits = FFMIN(bandbits, cap[i]);
s->pulses[i] = bandbits;
total += bandbits;
}
for (s->codedbands = s->endband; ; s->codedbands--) {
int allocation;
j = s->codedbands - 1;
if (j == skip_startband) {
totalbits += skip_bit;
break;
}
remaining = totalbits - total;
bandbits = remaining / (celt_freq_bands[j+1] - celt_freq_bands[s->startband]);
remaining -= bandbits * (celt_freq_bands[j+1] - celt_freq_bands[s->startband]);
allocation = s->pulses[j] + bandbits * celt_freq_range[j]
+ FFMAX(0, remaining - (celt_freq_bands[j] - celt_freq_bands[s->startband]));
if (allocation >= FFMAX(threshold[j], (s->coded_channels + 1) <<3 )) {
if (opus_rc_p2model(rc, 1))
break;
total += 1 << 3;
allocation -= 1 << 3;
}
total -= s->pulses[j];
if (intensitystereo_bit) {
total -= intensitystereo_bit;
intensitystereo_bit = celt_log2_frac[j - s->startband];
total += intensitystereo_bit;
}
total += s->pulses[j] = (allocation >= s->coded_channels << 3) ?
s->coded_channels << 3 : 0;
}
s->intensitystereo = 0;
s->dualstereo = 0;
if (intensitystereo_bit)
s->intensitystereo = s->startband +
opus_rc_unimodel(rc, s->codedbands + 1 - s->startband);
if (s->intensitystereo <= s->startband)
totalbits += dualstereo_bit;
else if (dualstereo_bit)
s->dualstereo = opus_rc_p2model(rc, 1);
remaining = totalbits - total;
bandbits = remaining / (celt_freq_bands[s->codedbands] - celt_freq_bands[s->startband]);
remaining -= bandbits * (celt_freq_bands[s->codedbands] - celt_freq_bands[s->startband]);
for (i = s->startband; i < s->codedbands; i++) {
int bits = FFMIN(remaining, celt_freq_range[i]);
s->pulses[i] += bits + bandbits * celt_freq_range[i];
remaining -= bits;
}
for (i = s->startband; i < s->codedbands; i++) {
int N = celt_freq_range[i] << s->duration;
int prev_extra = extrabits;
s->pulses[i] += extrabits;
if (N > 1) {
int dof;
int temp;
int offset;
int fine_bits, max_bits;
extrabits = FFMAX(0, s->pulses[i] - cap[i]);
s->pulses[i] -= extrabits;
dof = N * s->coded_channels
+ (s->coded_channels == 2 && N > 2 && !s->dualstereo && i < s->intensitystereo);
temp = dof * (celt_log_freq_range[i] + (s->duration<<3));
offset = (temp >> 1) - dof * CELT_FINE_OFFSET;
if (N == 2)
offset += dof<<1;
if (s->pulses[i] + offset < 2 * (dof << 3))
offset += temp >> 2;
else if (s->pulses[i] + offset < 3 * (dof << 3))
offset += temp >> 3;
fine_bits = (s->pulses[i] + offset + (dof << 2)) / (dof << 3);
max_bits = FFMIN((s->pulses[i]>>3) >> (s->coded_channels - 1),
CELT_MAX_FINE_BITS);
max_bits = FFMAX(max_bits, 0);
s->fine_bits[i] = av_clip(fine_bits, 0, max_bits);
s->fine_priority[i] = (s->fine_bits[i] * (dof<<3) >= s->pulses[i] + offset);
s->pulses[i] -= s->fine_bits[i] << (s->coded_channels - 1) << 3;
} else {
extrabits = FFMAX(0, s->pulses[i] - (s->coded_channels << 3));
s->pulses[i] -= extrabits;
s->fine_bits[i] = 0;
s->fine_priority[i] = 1;
}
if (extrabits > 0) {
int fineextra = FFMIN(extrabits >> (s->coded_channels + 2),
CELT_MAX_FINE_BITS - s->fine_bits[i]);
s->fine_bits[i] += fineextra;
fineextra <<= s->coded_channels + 2;
s->fine_priority[i] = (fineextra >= extrabits - prev_extra);
extrabits -= fineextra;
}
}
s->remaining = extrabits;
for (; i < s->endband; i++) {
s->fine_bits[i] = s->pulses[i] >> (s->coded_channels - 1) >> 3;
s->pulses[i] = 0;
s->fine_priority[i] = s->fine_bits[i] < 1;
}
} | ['static void celt_decode_allocation(CeltContext *s, OpusRangeCoder *rc)\n{\n int cap[CELT_MAX_BANDS];\n int boost[CELT_MAX_BANDS];\n int threshold[CELT_MAX_BANDS];\n int bits1[CELT_MAX_BANDS];\n int bits2[CELT_MAX_BANDS];\n int trim_offset[CELT_MAX_BANDS];\n int skip_startband = s->startband;\n int dynalloc = 6;\n int alloctrim = 5;\n int extrabits = 0;\n int skip_bit = 0;\n int intensitystereo_bit = 0;\n int dualstereo_bit = 0;\n int remaining, bandbits;\n int low, high, total, done;\n int totalbits;\n int consumed;\n int i, j;\n consumed = opus_rc_tell(rc);\n s->spread = CELT_SPREAD_NORMAL;\n if (consumed + 4 <= s->framebits)\n s->spread = opus_rc_getsymbol(rc, celt_model_spread);\n for (i = 0; i < CELT_MAX_BANDS; i++) {\n cap[i] = (celt_static_caps[s->duration][s->coded_channels - 1][i] + 64)\n * celt_freq_range[i] << (s->coded_channels - 1) << s->duration >> 2;\n }\n totalbits = s->framebits << 3;\n consumed = opus_rc_tell_frac(rc);\n for (i = s->startband; i < s->endband; i++) {\n int quanta, band_dynalloc;\n boost[i] = 0;\n quanta = celt_freq_range[i] << (s->coded_channels - 1) << s->duration;\n quanta = FFMIN(quanta << 3, FFMAX(6 << 3, quanta));\n band_dynalloc = dynalloc;\n while (consumed + (band_dynalloc<<3) < totalbits && boost[i] < cap[i]) {\n int add = opus_rc_p2model(rc, band_dynalloc);\n consumed = opus_rc_tell_frac(rc);\n if (!add)\n break;\n boost[i] += quanta;\n totalbits -= quanta;\n band_dynalloc = 1;\n }\n if (boost[i])\n dynalloc = FFMAX(2, dynalloc - 1);\n }\n if (consumed + (6 << 3) <= totalbits)\n alloctrim = opus_rc_getsymbol(rc, celt_model_alloc_trim);\n totalbits = (s->framebits << 3) - opus_rc_tell_frac(rc) - 1;\n s->anticollapse_bit = 0;\n if (s->blocks > 1 && s->duration >= 2 &&\n totalbits >= ((s->duration + 2) << 3))\n s->anticollapse_bit = 1 << 3;\n totalbits -= s->anticollapse_bit;\n if (totalbits >= 1 << 3)\n skip_bit = 1 << 3;\n totalbits -= skip_bit;\n if (s->coded_channels == 2) {\n intensitystereo_bit = celt_log2_frac[s->endband - s->startband];\n if (intensitystereo_bit <= totalbits) {\n totalbits -= intensitystereo_bit;\n if (totalbits >= 1 << 3) {\n dualstereo_bit = 1 << 3;\n totalbits -= 1 << 3;\n }\n } else\n intensitystereo_bit = 0;\n }\n for (i = s->startband; i < s->endband; i++) {\n int trim = alloctrim - 5 - s->duration;\n int band = celt_freq_range[i] * (s->endband - i - 1);\n int duration = s->duration + 3;\n int scale = duration + s->coded_channels - 1;\n threshold[i] = FFMAX(3 * celt_freq_range[i] << duration >> 4,\n s->coded_channels << 3);\n trim_offset[i] = trim * (band << scale) >> 6;\n if (celt_freq_range[i] << s->duration == 1)\n trim_offset[i] -= s->coded_channels << 3;\n }\n low = 1;\n high = CELT_VECTORS - 1;\n while (low <= high) {\n int center = (low + high) >> 1;\n done = total = 0;\n for (i = s->endband - 1; i >= s->startband; i--) {\n bandbits = celt_freq_range[i] * celt_static_alloc[center][i]\n << (s->coded_channels - 1) << s->duration >> 2;\n if (bandbits)\n bandbits = FFMAX(0, bandbits + trim_offset[i]);\n bandbits += boost[i];\n if (bandbits >= threshold[i] || done) {\n done = 1;\n total += FFMIN(bandbits, cap[i]);\n } else if (bandbits >= s->coded_channels << 3)\n total += s->coded_channels << 3;\n }\n if (total > totalbits)\n high = center - 1;\n else\n low = center + 1;\n }\n high = low--;\n for (i = s->startband; i < s->endband; i++) {\n bits1[i] = celt_freq_range[i] * celt_static_alloc[low][i]\n << (s->coded_channels - 1) << s->duration >> 2;\n bits2[i] = high >= CELT_VECTORS ? cap[i] :\n celt_freq_range[i] * celt_static_alloc[high][i]\n << (s->coded_channels - 1) << s->duration >> 2;\n if (bits1[i])\n bits1[i] = FFMAX(0, bits1[i] + trim_offset[i]);\n if (bits2[i])\n bits2[i] = FFMAX(0, bits2[i] + trim_offset[i]);\n if (low)\n bits1[i] += boost[i];\n bits2[i] += boost[i];\n if (boost[i])\n skip_startband = i;\n bits2[i] = FFMAX(0, bits2[i] - bits1[i]);\n }\n low = 0;\n high = 1 << CELT_ALLOC_STEPS;\n for (i = 0; i < CELT_ALLOC_STEPS; i++) {\n int center = (low + high) >> 1;\n done = total = 0;\n for (j = s->endband - 1; j >= s->startband; j--) {\n bandbits = bits1[j] + (center * bits2[j] >> CELT_ALLOC_STEPS);\n if (bandbits >= threshold[j] || done) {\n done = 1;\n total += FFMIN(bandbits, cap[j]);\n } else if (bandbits >= s->coded_channels << 3)\n total += s->coded_channels << 3;\n }\n if (total > totalbits)\n high = center;\n else\n low = center;\n }\n done = total = 0;\n for (i = s->endband - 1; i >= s->startband; i--) {\n bandbits = bits1[i] + (low * bits2[i] >> CELT_ALLOC_STEPS);\n if (bandbits >= threshold[i] || done)\n done = 1;\n else\n bandbits = (bandbits >= s->coded_channels << 3) ?\n s->coded_channels << 3 : 0;\n bandbits = FFMIN(bandbits, cap[i]);\n s->pulses[i] = bandbits;\n total += bandbits;\n }\n for (s->codedbands = s->endband; ; s->codedbands--) {\n int allocation;\n j = s->codedbands - 1;\n if (j == skip_startband) {\n totalbits += skip_bit;\n break;\n }\n remaining = totalbits - total;\n bandbits = remaining / (celt_freq_bands[j+1] - celt_freq_bands[s->startband]);\n remaining -= bandbits * (celt_freq_bands[j+1] - celt_freq_bands[s->startband]);\n allocation = s->pulses[j] + bandbits * celt_freq_range[j]\n + FFMAX(0, remaining - (celt_freq_bands[j] - celt_freq_bands[s->startband]));\n if (allocation >= FFMAX(threshold[j], (s->coded_channels + 1) <<3 )) {\n if (opus_rc_p2model(rc, 1))\n break;\n total += 1 << 3;\n allocation -= 1 << 3;\n }\n total -= s->pulses[j];\n if (intensitystereo_bit) {\n total -= intensitystereo_bit;\n intensitystereo_bit = celt_log2_frac[j - s->startband];\n total += intensitystereo_bit;\n }\n total += s->pulses[j] = (allocation >= s->coded_channels << 3) ?\n s->coded_channels << 3 : 0;\n }\n s->intensitystereo = 0;\n s->dualstereo = 0;\n if (intensitystereo_bit)\n s->intensitystereo = s->startband +\n opus_rc_unimodel(rc, s->codedbands + 1 - s->startband);\n if (s->intensitystereo <= s->startband)\n totalbits += dualstereo_bit;\n else if (dualstereo_bit)\n s->dualstereo = opus_rc_p2model(rc, 1);\n remaining = totalbits - total;\n bandbits = remaining / (celt_freq_bands[s->codedbands] - celt_freq_bands[s->startband]);\n remaining -= bandbits * (celt_freq_bands[s->codedbands] - celt_freq_bands[s->startband]);\n for (i = s->startband; i < s->codedbands; i++) {\n int bits = FFMIN(remaining, celt_freq_range[i]);\n s->pulses[i] += bits + bandbits * celt_freq_range[i];\n remaining -= bits;\n }\n for (i = s->startband; i < s->codedbands; i++) {\n int N = celt_freq_range[i] << s->duration;\n int prev_extra = extrabits;\n s->pulses[i] += extrabits;\n if (N > 1) {\n int dof;\n int temp;\n int offset;\n int fine_bits, max_bits;\n extrabits = FFMAX(0, s->pulses[i] - cap[i]);\n s->pulses[i] -= extrabits;\n dof = N * s->coded_channels\n + (s->coded_channels == 2 && N > 2 && !s->dualstereo && i < s->intensitystereo);\n temp = dof * (celt_log_freq_range[i] + (s->duration<<3));\n offset = (temp >> 1) - dof * CELT_FINE_OFFSET;\n if (N == 2)\n offset += dof<<1;\n if (s->pulses[i] + offset < 2 * (dof << 3))\n offset += temp >> 2;\n else if (s->pulses[i] + offset < 3 * (dof << 3))\n offset += temp >> 3;\n fine_bits = (s->pulses[i] + offset + (dof << 2)) / (dof << 3);\n max_bits = FFMIN((s->pulses[i]>>3) >> (s->coded_channels - 1),\n CELT_MAX_FINE_BITS);\n max_bits = FFMAX(max_bits, 0);\n s->fine_bits[i] = av_clip(fine_bits, 0, max_bits);\n s->fine_priority[i] = (s->fine_bits[i] * (dof<<3) >= s->pulses[i] + offset);\n s->pulses[i] -= s->fine_bits[i] << (s->coded_channels - 1) << 3;\n } else {\n extrabits = FFMAX(0, s->pulses[i] - (s->coded_channels << 3));\n s->pulses[i] -= extrabits;\n s->fine_bits[i] = 0;\n s->fine_priority[i] = 1;\n }\n if (extrabits > 0) {\n int fineextra = FFMIN(extrabits >> (s->coded_channels + 2),\n CELT_MAX_FINE_BITS - s->fine_bits[i]);\n s->fine_bits[i] += fineextra;\n fineextra <<= s->coded_channels + 2;\n s->fine_priority[i] = (fineextra >= extrabits - prev_extra);\n extrabits -= fineextra;\n }\n }\n s->remaining = extrabits;\n for (; i < s->endband; i++) {\n s->fine_bits[i] = s->pulses[i] >> (s->coded_channels - 1) >> 3;\n s->pulses[i] = 0;\n s->fine_priority[i] = s->fine_bits[i] < 1;\n }\n}'] |
21,046 | 0 | https://github.com/openssl/openssl/blob/04485c5bc0dc7f49940e6d91b27cdcc7b83a8ab5/crypto/bn/bn_ctx.c/#L442 | static void BN_POOL_release(BN_POOL *p, unsigned int num)
{
unsigned int offset = (p->used - 1) % BN_CTX_POOL_SIZE;
p->used -= num;
while(num--)
{
bn_check_top(p->current->vals + offset);
if(!offset)
{
offset = BN_CTX_POOL_SIZE - 1;
p->current = p->current->prev;
}
else
offset--;
}
} | ['static int dsa_sign_setup(DSA *dsa, BN_CTX *ctx_in, BIGNUM **kinvp, BIGNUM **rp)\n\t{\n\tBN_CTX *ctx;\n\tBIGNUM k,kq,*K,*kinv=NULL,*r=NULL;\n\tint ret=0;\n\tif (!dsa->p || !dsa->q || !dsa->g)\n\t\t{\n\t\tDSAerr(DSA_F_DSA_SIGN_SETUP,DSA_R_MISSING_PARAMETERS);\n\t\treturn 0;\n\t\t}\n\tBN_init(&k);\n\tBN_init(&kq);\n\tif (ctx_in == NULL)\n\t\t{\n\t\tif ((ctx=BN_CTX_new()) == NULL) goto err;\n\t\t}\n\telse\n\t\tctx=ctx_in;\n\tif ((r=BN_new()) == NULL) goto err;\n\tdo\n\t\tif (!BN_rand_range(&k, dsa->q)) goto err;\n\twhile (BN_is_zero(&k));\n\tif ((dsa->flags & DSA_FLAG_NO_EXP_CONSTTIME) == 0)\n\t\t{\n\t\tBN_set_flags(&k, BN_FLG_CONSTTIME);\n\t\t}\n\tif (dsa->flags & DSA_FLAG_CACHE_MONT_P)\n\t\t{\n\t\tif (!BN_MONT_CTX_set_locked(&dsa->method_mont_p,\n\t\t\t\t\t\tCRYPTO_LOCK_DSA,\n\t\t\t\t\t\tdsa->p, ctx))\n\t\t\tgoto err;\n\t\t}\n\tif ((dsa->flags & DSA_FLAG_NO_EXP_CONSTTIME) == 0)\n\t\t{\n\t\tif (!BN_copy(&kq, &k)) goto err;\n\t\tif (!BN_add(&kq, &kq, dsa->q)) goto err;\n\t\tif (BN_num_bits(&kq) <= BN_num_bits(dsa->q))\n\t\t\t{\n\t\t\tif (!BN_add(&kq, &kq, dsa->q)) goto err;\n\t\t\t}\n\t\tK = &kq;\n\t\t}\n\telse\n\t\t{\n\t\tK = &k;\n\t\t}\n\tDSA_BN_MOD_EXP(goto err, dsa, r, dsa->g, K, dsa->p, ctx,\n\t\t\tdsa->method_mont_p);\n\tif (!BN_mod(r,r,dsa->q,ctx)) goto err;\n\tif ((kinv=BN_mod_inverse(NULL,&k,dsa->q,ctx)) == NULL) goto err;\n\tif (*kinvp != NULL) BN_clear_free(*kinvp);\n\t*kinvp=kinv;\n\tkinv=NULL;\n\tif (*rp != NULL) BN_clear_free(*rp);\n\t*rp=r;\n\tret=1;\nerr:\n\tif (!ret)\n\t\t{\n\t\tDSAerr(DSA_F_DSA_SIGN_SETUP,ERR_R_BN_LIB);\n\t\tif (r != NULL)\n\t\t\tBN_clear_free(r);\n\t\t}\n\tif (ctx_in == NULL) BN_CTX_free(ctx);\n\tBN_clear_free(&k);\n\tBN_clear_free(&kq);\n\treturn(ret);\n\t}', 'BN_MONT_CTX *BN_MONT_CTX_set_locked(BN_MONT_CTX **pmont, int lock,\n\t\t\t\t\tconst BIGNUM *mod, BN_CTX *ctx)\n\t{\n\tint got_write_lock = 0;\n\tBN_MONT_CTX *ret;\n\tCRYPTO_r_lock(lock);\n\tif (!*pmont)\n\t\t{\n\t\tCRYPTO_r_unlock(lock);\n\t\tCRYPTO_w_lock(lock);\n\t\tgot_write_lock = 1;\n\t\tif (!*pmont)\n\t\t\t{\n\t\t\tret = BN_MONT_CTX_new();\n\t\t\tif (ret && !BN_MONT_CTX_set(ret, mod, ctx))\n\t\t\t\tBN_MONT_CTX_free(ret);\n\t\t\telse\n\t\t\t\t*pmont = ret;\n\t\t\t}\n\t\t}\n\tret = *pmont;\n\tif (got_write_lock)\n\t\tCRYPTO_w_unlock(lock);\n\telse\n\t\tCRYPTO_r_unlock(lock);\n\treturn ret;\n\t}', 'int BN_MONT_CTX_set(BN_MONT_CTX *mont, const BIGNUM *mod, BN_CTX *ctx)\n\t{\n\tint ret = 0;\n\tBIGNUM *Ri,*R;\n\tBN_CTX_start(ctx);\n\tif((Ri = BN_CTX_get(ctx)) == NULL) goto err;\n\tR= &(mont->RR);\n\tif (!BN_copy(&(mont->N),mod)) goto err;\n\tmont->N.neg = 0;\n#ifdef MONT_WORD\n\t\t{\n\t\tBIGNUM tmod;\n\t\tBN_ULONG buf[2];\n\t\tBN_init(&tmod);\n\t\ttmod.d=buf;\n\t\ttmod.dmax=2;\n\t\ttmod.neg=0;\n\t\tmont->ri=(BN_num_bits(mod)+(BN_BITS2-1))/BN_BITS2*BN_BITS2;\n#if defined(OPENSSL_BN_ASM_MONT) && (BN_BITS2<=32)\n\t\tBN_zero(R);\n\t\tif (!(BN_set_bit(R,2*BN_BITS2))) goto err;\n\t\t\t\t\t\t\t\ttmod.top=0;\n\t\tif ((buf[0] = mod->d[0]))\t\t\ttmod.top=1;\n\t\tif ((buf[1] = mod->top>1 ? mod->d[1] : 0))\ttmod.top=2;\n\t\tif ((BN_mod_inverse(Ri,R,&tmod,ctx)) == NULL)\n\t\t\tgoto err;\n\t\tif (!BN_lshift(Ri,Ri,2*BN_BITS2)) goto err;\n\t\tif (!BN_is_zero(Ri))\n\t\t\t{\n\t\t\tif (!BN_sub_word(Ri,1)) goto err;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tif (bn_expand(Ri,(int)sizeof(BN_ULONG)*2) == NULL)\n\t\t\t\tgoto err;\n\t\t\tRi->neg=0;\n\t\t\tRi->d[0]=BN_MASK2;\n\t\t\tRi->d[1]=BN_MASK2;\n\t\t\tRi->top=2;\n\t\t\t}\n\t\tif (!BN_div(Ri,NULL,Ri,&tmod,ctx)) goto err;\n\t\tmont->n0[0] = (Ri->top > 0) ? Ri->d[0] : 0;\n\t\tmont->n0[1] = (Ri->top > 1) ? Ri->d[1] : 0;\n#else\n\t\tBN_zero(R);\n\t\tif (!(BN_set_bit(R,BN_BITS2))) goto err;\n\t\tbuf[0]=mod->d[0];\n\t\tbuf[1]=0;\n\t\ttmod.top = buf[0] != 0 ? 1 : 0;\n\t\tif ((BN_mod_inverse(Ri,R,&tmod,ctx)) == NULL)\n\t\t\tgoto err;\n\t\tif (!BN_lshift(Ri,Ri,BN_BITS2)) goto err;\n\t\tif (!BN_is_zero(Ri))\n\t\t\t{\n\t\t\tif (!BN_sub_word(Ri,1)) goto err;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tif (!BN_set_word(Ri,BN_MASK2)) goto err;\n\t\t\t}\n\t\tif (!BN_div(Ri,NULL,Ri,&tmod,ctx)) goto err;\n\t\tmont->n0[0] = (Ri->top > 0) ? Ri->d[0] : 0;\n\t\tmont->n0[1] = 0;\n#endif\n\t\t}\n#else\n\t\t{\n\t\tmont->ri=BN_num_bits(&mont->N);\n\t\tBN_zero(R);\n\t\tif (!BN_set_bit(R,mont->ri)) goto err;\n\t\tif ((BN_mod_inverse(Ri,R,&mont->N,ctx)) == NULL)\n\t\t\tgoto err;\n\t\tif (!BN_lshift(Ri,Ri,mont->ri)) goto err;\n\t\tif (!BN_sub_word(Ri,1)) goto err;\n\t\tif (!BN_div(&(mont->Ni),NULL,Ri,&mont->N,ctx)) goto err;\n\t\t}\n#endif\n\tBN_zero(&(mont->RR));\n\tif (!BN_set_bit(&(mont->RR),mont->ri*2)) goto err;\n\tif (!BN_mod(&(mont->RR),&(mont->RR),&(mont->N),ctx)) goto err;\n\tret = 1;\nerr:\n\tBN_CTX_end(ctx);\n\treturn ret;\n\t}', 'BIGNUM *BN_CTX_get(BN_CTX *ctx)\n\t{\n\tBIGNUM *ret;\n\tCTXDBG_ENTRY("BN_CTX_get", ctx);\n\tif(ctx->err_stack || ctx->too_many) return NULL;\n\tif((ret = BN_POOL_get(&ctx->pool)) == NULL)\n\t\t{\n\t\tctx->too_many = 1;\n\t\tBNerr(BN_F_BN_CTX_GET,BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n\t\treturn NULL;\n\t\t}\n\tBN_zero(ret);\n\tctx->used++;\n\tCTXDBG_RET(ctx, ret);\n\treturn ret;\n\t}', 'BIGNUM *BN_mod_inverse(BIGNUM *in,\n\tconst BIGNUM *a, const BIGNUM *n, BN_CTX *ctx)\n\t{\n\tBIGNUM *rv;\n\tint noinv;\n\trv = int_bn_mod_inverse(in, a, n, ctx, &noinv);\n\tif (noinv)\n\t\tBNerr(BN_F_BN_MOD_INVERSE,BN_R_NO_INVERSE);\n\treturn rv;\n\t}', 'BIGNUM *int_bn_mod_inverse(BIGNUM *in,\n\tconst BIGNUM *a, const BIGNUM *n, BN_CTX *ctx, int *pnoinv)\n\t{\n\tBIGNUM *A,*B,*X,*Y,*M,*D,*T,*R=NULL;\n\tBIGNUM *ret=NULL;\n\tint sign;\n\tif (pnoinv)\n\t\t*pnoinv = 0;\n\tif ((BN_get_flags(a, BN_FLG_CONSTTIME) != 0) || (BN_get_flags(n, BN_FLG_CONSTTIME) != 0))\n\t\t{\n\t\treturn BN_mod_inverse_no_branch(in, a, n, ctx);\n\t\t}\n\tbn_check_top(a);\n\tbn_check_top(n);\n\tBN_CTX_start(ctx);\n\tA = BN_CTX_get(ctx);\n\tB = BN_CTX_get(ctx);\n\tX = BN_CTX_get(ctx);\n\tD = BN_CTX_get(ctx);\n\tM = BN_CTX_get(ctx);\n\tY = BN_CTX_get(ctx);\n\tT = BN_CTX_get(ctx);\n\tif (T == NULL) goto err;\n\tif (in == NULL)\n\t\tR=BN_new();\n\telse\n\t\tR=in;\n\tif (R == NULL) goto err;\n\tBN_one(X);\n\tBN_zero(Y);\n\tif (BN_copy(B,a) == NULL) goto err;\n\tif (BN_copy(A,n) == NULL) goto err;\n\tA->neg = 0;\n\tif (B->neg || (BN_ucmp(B, A) >= 0))\n\t\t{\n\t\tif (!BN_nnmod(B, B, A, ctx)) goto err;\n\t\t}\n\tsign = -1;\n\tif (BN_is_odd(n) && (BN_num_bits(n) <= (BN_BITS <= 32 ? 450 : 2048)))\n\t\t{\n\t\tint shift;\n\t\twhile (!BN_is_zero(B))\n\t\t\t{\n\t\t\tshift = 0;\n\t\t\twhile (!BN_is_bit_set(B, shift))\n\t\t\t\t{\n\t\t\t\tshift++;\n\t\t\t\tif (BN_is_odd(X))\n\t\t\t\t\t{\n\t\t\t\t\tif (!BN_uadd(X, X, n)) goto err;\n\t\t\t\t\t}\n\t\t\t\tif (!BN_rshift1(X, X)) goto err;\n\t\t\t\t}\n\t\t\tif (shift > 0)\n\t\t\t\t{\n\t\t\t\tif (!BN_rshift(B, B, shift)) goto err;\n\t\t\t\t}\n\t\t\tshift = 0;\n\t\t\twhile (!BN_is_bit_set(A, shift))\n\t\t\t\t{\n\t\t\t\tshift++;\n\t\t\t\tif (BN_is_odd(Y))\n\t\t\t\t\t{\n\t\t\t\t\tif (!BN_uadd(Y, Y, n)) goto err;\n\t\t\t\t\t}\n\t\t\t\tif (!BN_rshift1(Y, Y)) goto err;\n\t\t\t\t}\n\t\t\tif (shift > 0)\n\t\t\t\t{\n\t\t\t\tif (!BN_rshift(A, A, shift)) goto err;\n\t\t\t\t}\n\t\t\tif (BN_ucmp(B, A) >= 0)\n\t\t\t\t{\n\t\t\t\tif (!BN_uadd(X, X, Y)) goto err;\n\t\t\t\tif (!BN_usub(B, B, A)) goto err;\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tif (!BN_uadd(Y, Y, X)) goto err;\n\t\t\t\tif (!BN_usub(A, A, B)) goto err;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\telse\n\t\t{\n\t\twhile (!BN_is_zero(B))\n\t\t\t{\n\t\t\tBIGNUM *tmp;\n\t\t\tif (BN_num_bits(A) == BN_num_bits(B))\n\t\t\t\t{\n\t\t\t\tif (!BN_one(D)) goto err;\n\t\t\t\tif (!BN_sub(M,A,B)) goto err;\n\t\t\t\t}\n\t\t\telse if (BN_num_bits(A) == BN_num_bits(B) + 1)\n\t\t\t\t{\n\t\t\t\tif (!BN_lshift1(T,B)) goto err;\n\t\t\t\tif (BN_ucmp(A,T) < 0)\n\t\t\t\t\t{\n\t\t\t\t\tif (!BN_one(D)) goto err;\n\t\t\t\t\tif (!BN_sub(M,A,B)) goto err;\n\t\t\t\t\t}\n\t\t\t\telse\n\t\t\t\t\t{\n\t\t\t\t\tif (!BN_sub(M,A,T)) goto err;\n\t\t\t\t\tif (!BN_add(D,T,B)) goto err;\n\t\t\t\t\tif (BN_ucmp(A,D) < 0)\n\t\t\t\t\t\t{\n\t\t\t\t\t\tif (!BN_set_word(D,2)) goto err;\n\t\t\t\t\t\t}\n\t\t\t\t\telse\n\t\t\t\t\t\t{\n\t\t\t\t\t\tif (!BN_set_word(D,3)) goto err;\n\t\t\t\t\t\tif (!BN_sub(M,M,B)) goto err;\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tif (!BN_div(D,M,A,B,ctx)) goto err;\n\t\t\t\t}\n\t\t\ttmp=A;\n\t\t\tA=B;\n\t\t\tB=M;\n\t\t\tif (BN_is_one(D))\n\t\t\t\t{\n\t\t\t\tif (!BN_add(tmp,X,Y)) goto err;\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tif (BN_is_word(D,2))\n\t\t\t\t\t{\n\t\t\t\t\tif (!BN_lshift1(tmp,X)) goto err;\n\t\t\t\t\t}\n\t\t\t\telse if (BN_is_word(D,4))\n\t\t\t\t\t{\n\t\t\t\t\tif (!BN_lshift(tmp,X,2)) goto err;\n\t\t\t\t\t}\n\t\t\t\telse if (D->top == 1)\n\t\t\t\t\t{\n\t\t\t\t\tif (!BN_copy(tmp,X)) goto err;\n\t\t\t\t\tif (!BN_mul_word(tmp,D->d[0])) goto err;\n\t\t\t\t\t}\n\t\t\t\telse\n\t\t\t\t\t{\n\t\t\t\t\tif (!BN_mul(tmp,D,X,ctx)) goto err;\n\t\t\t\t\t}\n\t\t\t\tif (!BN_add(tmp,tmp,Y)) goto err;\n\t\t\t\t}\n\t\t\tM=Y;\n\t\t\tY=X;\n\t\t\tX=tmp;\n\t\t\tsign = -sign;\n\t\t\t}\n\t\t}\n\tif (sign < 0)\n\t\t{\n\t\tif (!BN_sub(Y,n,Y)) goto err;\n\t\t}\n\tif (BN_is_one(A))\n\t\t{\n\t\tif (!Y->neg && BN_ucmp(Y,n) < 0)\n\t\t\t{\n\t\t\tif (!BN_copy(R,Y)) goto err;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tif (!BN_nnmod(R,Y,n,ctx)) goto err;\n\t\t\t}\n\t\t}\n\telse\n\t\t{\n\t\tif (pnoinv)\n\t\t\t*pnoinv = 1;\n\t\tgoto err;\n\t\t}\n\tret=R;\nerr:\n\tif ((ret == NULL) && (in == NULL)) BN_free(R);\n\tBN_CTX_end(ctx);\n\tbn_check_top(ret);\n\treturn(ret);\n\t}', 'static BIGNUM *BN_mod_inverse_no_branch(BIGNUM *in,\n\tconst BIGNUM *a, const BIGNUM *n, BN_CTX *ctx)\n\t{\n\tBIGNUM *A,*B,*X,*Y,*M,*D,*T,*R=NULL;\n\tBIGNUM local_A, local_B;\n\tBIGNUM *pA, *pB;\n\tBIGNUM *ret=NULL;\n\tint sign;\n\tbn_check_top(a);\n\tbn_check_top(n);\n\tBN_CTX_start(ctx);\n\tA = BN_CTX_get(ctx);\n\tB = BN_CTX_get(ctx);\n\tX = BN_CTX_get(ctx);\n\tD = BN_CTX_get(ctx);\n\tM = BN_CTX_get(ctx);\n\tY = BN_CTX_get(ctx);\n\tT = BN_CTX_get(ctx);\n\tif (T == NULL) goto err;\n\tif (in == NULL)\n\t\tR=BN_new();\n\telse\n\t\tR=in;\n\tif (R == NULL) goto err;\n\tBN_one(X);\n\tBN_zero(Y);\n\tif (BN_copy(B,a) == NULL) goto err;\n\tif (BN_copy(A,n) == NULL) goto err;\n\tA->neg = 0;\n\tif (B->neg || (BN_ucmp(B, A) >= 0))\n\t\t{\n\t\tpB = &local_B;\n\t\tBN_with_flags(pB, B, BN_FLG_CONSTTIME);\n\t\tif (!BN_nnmod(B, pB, A, ctx)) goto err;\n\t\t}\n\tsign = -1;\n\twhile (!BN_is_zero(B))\n\t\t{\n\t\tBIGNUM *tmp;\n\t\tpA = &local_A;\n\t\tBN_with_flags(pA, A, BN_FLG_CONSTTIME);\n\t\tif (!BN_div(D,M,pA,B,ctx)) goto err;\n\t\ttmp=A;\n\t\tA=B;\n\t\tB=M;\n\t\tif (!BN_mul(tmp,D,X,ctx)) goto err;\n\t\tif (!BN_add(tmp,tmp,Y)) goto err;\n\t\tM=Y;\n\t\tY=X;\n\t\tX=tmp;\n\t\tsign = -sign;\n\t\t}\n\tif (sign < 0)\n\t\t{\n\t\tif (!BN_sub(Y,n,Y)) goto err;\n\t\t}\n\tif (BN_is_one(A))\n\t\t{\n\t\tif (!Y->neg && BN_ucmp(Y,n) < 0)\n\t\t\t{\n\t\t\tif (!BN_copy(R,Y)) goto err;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tif (!BN_nnmod(R,Y,n,ctx)) goto err;\n\t\t\t}\n\t\t}\n\telse\n\t\t{\n\t\tBNerr(BN_F_BN_MOD_INVERSE_NO_BRANCH,BN_R_NO_INVERSE);\n\t\tgoto err;\n\t\t}\n\tret=R;\nerr:\n\tif ((ret == NULL) && (in == NULL)) BN_free(R);\n\tBN_CTX_end(ctx);\n\tbn_check_top(ret);\n\treturn(ret);\n\t}', 'int BN_nnmod(BIGNUM *r, const BIGNUM *m, const BIGNUM *d, BN_CTX *ctx)\n\t{\n\tif (!(BN_mod(r,m,d,ctx)))\n\t\treturn 0;\n\tif (!r->neg)\n\t\treturn 1;\n\treturn (d->neg ? BN_sub : BN_add)(r, r, d);\n}', 'int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,\n\t BN_CTX *ctx)\n\t{\n\tint norm_shift,i,loop;\n\tBIGNUM *tmp,wnum,*snum,*sdiv,*res;\n\tBN_ULONG *resp,*wnump;\n\tBN_ULONG d0,d1;\n\tint num_n,div_n;\n\tint no_branch=0;\n\tif (num->top > 0 && num->d[num->top - 1] == 0)\n\t\t{\n\t\tBNerr(BN_F_BN_DIV,BN_R_NOT_INITIALIZED);\n\t\treturn 0;\n\t\t}\n\tbn_check_top(num);\n\tif ((BN_get_flags(num, BN_FLG_CONSTTIME) != 0) || (BN_get_flags(divisor, BN_FLG_CONSTTIME) != 0))\n\t\t{\n\t\tno_branch=1;\n\t\t}\n\tbn_check_top(dv);\n\tbn_check_top(rm);\n\tbn_check_top(divisor);\n\tif (BN_is_zero(divisor))\n\t\t{\n\t\tBNerr(BN_F_BN_DIV,BN_R_DIV_BY_ZERO);\n\t\treturn(0);\n\t\t}\n\tif (!no_branch && BN_ucmp(num,divisor) < 0)\n\t\t{\n\t\tif (rm != NULL)\n\t\t\t{ if (BN_copy(rm,num) == NULL) return(0); }\n\t\tif (dv != NULL) BN_zero(dv);\n\t\treturn(1);\n\t\t}\n\tBN_CTX_start(ctx);\n\ttmp=BN_CTX_get(ctx);\n\tsnum=BN_CTX_get(ctx);\n\tsdiv=BN_CTX_get(ctx);\n\tif (dv == NULL)\n\t\tres=BN_CTX_get(ctx);\n\telse\tres=dv;\n\tif (sdiv == NULL || res == NULL || tmp == NULL || snum == NULL)\n\t\tgoto err;\n\tnorm_shift=BN_BITS2-((BN_num_bits(divisor))%BN_BITS2);\n\tif (!(BN_lshift(sdiv,divisor,norm_shift))) goto err;\n\tsdiv->neg=0;\n\tnorm_shift+=BN_BITS2;\n\tif (!(BN_lshift(snum,num,norm_shift))) goto err;\n\tsnum->neg=0;\n\tif (no_branch)\n\t\t{\n\t\tif (snum->top <= sdiv->top+1)\n\t\t\t{\n\t\t\tif (bn_wexpand(snum, sdiv->top + 2) == NULL) goto err;\n\t\t\tfor (i = snum->top; i < sdiv->top + 2; i++) snum->d[i] = 0;\n\t\t\tsnum->top = sdiv->top + 2;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tif (bn_wexpand(snum, snum->top + 1) == NULL) goto err;\n\t\t\tsnum->d[snum->top] = 0;\n\t\t\tsnum->top ++;\n\t\t\t}\n\t\t}\n\tdiv_n=sdiv->top;\n\tnum_n=snum->top;\n\tloop=num_n-div_n;\n\twnum.neg = 0;\n\twnum.d = &(snum->d[loop]);\n\twnum.top = div_n;\n\twnum.dmax = snum->dmax - loop;\n\td0=sdiv->d[div_n-1];\n\td1=(div_n == 1)?0:sdiv->d[div_n-2];\n\twnump= &(snum->d[num_n-1]);\n\tres->neg= (num->neg^divisor->neg);\n\tif (!bn_wexpand(res,(loop+1))) goto err;\n\tres->top=loop-no_branch;\n\tresp= &(res->d[loop-1]);\n\tif (!bn_wexpand(tmp,(div_n+1))) goto err;\n\tif (!no_branch)\n\t\t{\n\t\tif (BN_ucmp(&wnum,sdiv) >= 0)\n\t\t\t{\n\t\t\tbn_clear_top2max(&wnum);\n\t\t\tbn_sub_words(wnum.d, wnum.d, sdiv->d, div_n);\n\t\t\t*resp=1;\n\t\t\t}\n\t\telse\n\t\t\tres->top--;\n\t\t}\n\tif (res->top == 0)\n\t\tres->neg = 0;\n\telse\n\t\tresp--;\n\tfor (i=0; i<loop-1; i++, wnump--, resp--)\n\t\t{\n\t\tBN_ULONG q,l0;\n#if defined(BN_DIV3W) && !defined(OPENSSL_NO_ASM)\n\t\tBN_ULONG bn_div_3_words(BN_ULONG*,BN_ULONG,BN_ULONG);\n\t\tq=bn_div_3_words(wnump,d1,d0);\n#else\n\t\tBN_ULONG n0,n1,rem=0;\n\t\tn0=wnump[0];\n\t\tn1=wnump[-1];\n\t\tif (n0 == d0)\n\t\t\tq=BN_MASK2;\n\t\telse\n\t\t\t{\n#ifdef BN_LLONG\n\t\t\tBN_ULLONG t2;\n#if defined(BN_LLONG) && defined(BN_DIV2W) && !defined(bn_div_words)\n\t\t\tq=(BN_ULONG)(((((BN_ULLONG)n0)<<BN_BITS2)|n1)/d0);\n#else\n\t\t\tq=bn_div_words(n0,n1,d0);\n#ifdef BN_DEBUG_LEVITTE\n\t\t\tfprintf(stderr,"DEBUG: bn_div_words(0x%08X,0x%08X,0x%08\\\nX) -> 0x%08X\\n",\n\t\t\t\tn0, n1, d0, q);\n#endif\n#endif\n#ifndef REMAINDER_IS_ALREADY_CALCULATED\n\t\t\trem=(n1-q*d0)&BN_MASK2;\n#endif\n\t\t\tt2=(BN_ULLONG)d1*q;\n\t\t\tfor (;;)\n\t\t\t\t{\n\t\t\t\tif (t2 <= ((((BN_ULLONG)rem)<<BN_BITS2)|wnump[-2]))\n\t\t\t\t\tbreak;\n\t\t\t\tq--;\n\t\t\t\trem += d0;\n\t\t\t\tif (rem < d0) break;\n\t\t\t\tt2 -= d1;\n\t\t\t\t}\n#else\n\t\t\tBN_ULONG t2l,t2h;\n\t\t\tq=bn_div_words(n0,n1,d0);\n#ifdef BN_DEBUG_LEVITTE\n\t\t\tfprintf(stderr,"DEBUG: bn_div_words(0x%08X,0x%08X,0x%08\\\nX) -> 0x%08X\\n",\n\t\t\t\tn0, n1, d0, q);\n#endif\n#ifndef REMAINDER_IS_ALREADY_CALCULATED\n\t\t\trem=(n1-q*d0)&BN_MASK2;\n#endif\n#if defined(BN_UMULT_LOHI)\n\t\t\tBN_UMULT_LOHI(t2l,t2h,d1,q);\n#elif defined(BN_UMULT_HIGH)\n\t\t\tt2l = d1 * q;\n\t\t\tt2h = BN_UMULT_HIGH(d1,q);\n#else\n\t\t\t{\n\t\t\tBN_ULONG ql, qh;\n\t\t\tt2l=LBITS(d1); t2h=HBITS(d1);\n\t\t\tql =LBITS(q); qh =HBITS(q);\n\t\t\tmul64(t2l,t2h,ql,qh);\n\t\t\t}\n#endif\n\t\t\tfor (;;)\n\t\t\t\t{\n\t\t\t\tif ((t2h < rem) ||\n\t\t\t\t\t((t2h == rem) && (t2l <= wnump[-2])))\n\t\t\t\t\tbreak;\n\t\t\t\tq--;\n\t\t\t\trem += d0;\n\t\t\t\tif (rem < d0) break;\n\t\t\t\tif (t2l < d1) t2h--; t2l -= d1;\n\t\t\t\t}\n#endif\n\t\t\t}\n#endif\n\t\tl0=bn_mul_words(tmp->d,sdiv->d,div_n,q);\n\t\ttmp->d[div_n]=l0;\n\t\twnum.d--;\n\t\tif (bn_sub_words(wnum.d, wnum.d, tmp->d, div_n+1))\n\t\t\t{\n\t\t\tq--;\n\t\t\tif (bn_add_words(wnum.d, wnum.d, sdiv->d, div_n))\n\t\t\t\t(*wnump)++;\n\t\t\t}\n\t\t*resp = q;\n\t\t}\n\tbn_correct_top(snum);\n\tif (rm != NULL)\n\t\t{\n\t\tint neg = num->neg;\n\t\tBN_rshift(rm,snum,norm_shift);\n\t\tif (!BN_is_zero(rm))\n\t\t\trm->neg = neg;\n\t\tbn_check_top(rm);\n\t\t}\n\tif (no_branch)\tbn_correct_top(res);\n\tBN_CTX_end(ctx);\n\treturn(1);\nerr:\n\tbn_check_top(rm);\n\tBN_CTX_end(ctx);\n\treturn(0);\n\t}', 'void BN_CTX_end(BN_CTX *ctx)\n\t{\n\tCTXDBG_ENTRY("BN_CTX_end", ctx);\n\tif(ctx->err_stack)\n\t\tctx->err_stack--;\n\telse\n\t\t{\n\t\tunsigned int fp = BN_STACK_pop(&ctx->stack);\n\t\tif(fp < ctx->used)\n\t\t\tBN_POOL_release(&ctx->pool, ctx->used - fp);\n\t\tctx->used = fp;\n\t\tctx->too_many = 0;\n\t\t}\n\tCTXDBG_EXIT(ctx);\n\t}', 'static void BN_POOL_release(BN_POOL *p, unsigned int num)\n\t{\n\tunsigned int offset = (p->used - 1) % BN_CTX_POOL_SIZE;\n\tp->used -= num;\n\twhile(num--)\n\t\t{\n\t\tbn_check_top(p->current->vals + offset);\n\t\tif(!offset)\n\t\t\t{\n\t\t\toffset = BN_CTX_POOL_SIZE - 1;\n\t\t\tp->current = p->current->prev;\n\t\t\t}\n\t\telse\n\t\t\toffset--;\n\t\t}\n\t}'] |
21,047 | 0 | https://github.com/openssl/openssl/blob/00fe865dbec8fb626a63ed9f5b0be4073597c7a8/ssl/ssl_lib.c/#L1308 | STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num,
STACK_OF(SSL_CIPHER) **skp)
{
SSL_CIPHER *c;
STACK_OF(SSL_CIPHER) *sk;
int i,n;
n=ssl_put_cipher_by_char(s,NULL,NULL);
if ((num%n) != 0)
{
SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST);
return(NULL);
}
if ((skp == NULL) || (*skp == NULL))
sk=sk_SSL_CIPHER_new_null();
else
{
sk= *skp;
sk_SSL_CIPHER_zero(sk);
}
for (i=0; i<num; i+=n)
{
c=ssl_get_cipher_by_char(s,p);
p+=n;
if (c != NULL)
{
if (!sk_SSL_CIPHER_push(sk,c))
{
SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,ERR_R_MALLOC_FAILURE);
goto err;
}
}
}
if (skp != NULL)
*skp=sk;
return(sk);
err:
if ((skp == NULL) || (*skp == NULL))
sk_SSL_CIPHER_free(sk);
return(NULL);
} | ['STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num,\n\t\t\t\t\t STACK_OF(SSL_CIPHER) **skp)\n\t{\n\tSSL_CIPHER *c;\n\tSTACK_OF(SSL_CIPHER) *sk;\n\tint i,n;\n\tn=ssl_put_cipher_by_char(s,NULL,NULL);\n\tif ((num%n) != 0)\n\t\t{\n\t\tSSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST);\n\t\treturn(NULL);\n\t\t}\n\tif ((skp == NULL) || (*skp == NULL))\n\t\tsk=sk_SSL_CIPHER_new_null();\n\telse\n\t\t{\n\t\tsk= *skp;\n\t\tsk_SSL_CIPHER_zero(sk);\n\t\t}\n\tfor (i=0; i<num; i+=n)\n\t\t{\n\t\tc=ssl_get_cipher_by_char(s,p);\n\t\tp+=n;\n\t\tif (c != NULL)\n\t\t\t{\n\t\t\tif (!sk_SSL_CIPHER_push(sk,c))\n\t\t\t\t{\n\t\t\t\tSSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,ERR_R_MALLOC_FAILURE);\n\t\t\t\tgoto err;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\tif (skp != NULL)\n\t\t*skp=sk;\n\treturn(sk);\nerr:\n\tif ((skp == NULL) || (*skp == NULL))\n\t\tsk_SSL_CIPHER_free(sk);\n\treturn(NULL);\n\t}', 'STACK *sk_new_null(void)\n\t{\n\treturn sk_new((int (*)(const char * const *, const char * const *))0);\n\t}', 'STACK *sk_new(int (*c)(const char * const *, const char * const *))\n\t{\n\tSTACK *ret;\n\tint i;\n\tif ((ret=(STACK *)OPENSSL_malloc(sizeof(STACK))) == NULL)\n\t\tgoto err;\n\tif ((ret->data=(char **)OPENSSL_malloc(sizeof(char *)*MIN_NODES)) == NULL)\n\t\tgoto err;\n\tfor (i=0; i<MIN_NODES; i++)\n\t\tret->data[i]=NULL;\n\tret->comp=c;\n\tret->num_alloc=MIN_NODES;\n\tret->num=0;\n\tret->sorted=0;\n\treturn(ret);\nerr:\n\tif(ret)\n\t\tOPENSSL_free(ret);\n\treturn(NULL);\n\t}', 'void *CRYPTO_malloc(int num, const char *file, int line)\n\t{\n\tvoid *ret = NULL;\n\textern unsigned char cleanse_ctr;\n\tif (num <= 0) return NULL;\n\tallow_customize = 0;\n\tif (malloc_debug_func != NULL)\n\t\t{\n\t\tallow_customize_debug = 0;\n\t\tmalloc_debug_func(NULL, num, file, line, 0);\n\t\t}\n\tret = malloc_ex_func(num,file,line);\n#ifdef LEVITTE_DEBUG_MEM\n\tfprintf(stderr, "LEVITTE_DEBUG_MEM: > 0x%p (%d)\\n", ret, num);\n#endif\n\tif (malloc_debug_func != NULL)\n\t\tmalloc_debug_func(ret, num, file, line, 1);\n if(ret && (num > 2048))\n ((unsigned char *)ret)[0] = cleanse_ctr;\n\treturn ret;\n\t}', 'int sk_push(STACK *st, char *data)\n\t{\n\treturn(sk_insert(st,data,st->num));\n\t}'] |
21,048 | 0 | https://github.com/libav/libav/blob/5afb94c817abffad030c6b94d7003dca8aace3d5/libavcodec/h264_mb.c/#L165 | static void await_references(const H264Context *h, H264SliceContext *sl)
{
const int mb_xy = sl->mb_xy;
const int mb_type = h->cur_pic.mb_type[mb_xy];
int refs[2][48];
int nrefs[2] = { 0 };
int ref, list;
memset(refs, -1, sizeof(refs));
if (IS_16X16(mb_type)) {
get_lowest_part_y(h, sl, refs, 0, 16, 0,
IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs);
} else if (IS_16X8(mb_type)) {
get_lowest_part_y(h, sl, refs, 0, 8, 0,
IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs);
get_lowest_part_y(h, sl, refs, 8, 8, 8,
IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1), nrefs);
} else if (IS_8X16(mb_type)) {
get_lowest_part_y(h, sl, refs, 0, 16, 0,
IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs);
get_lowest_part_y(h, sl, refs, 4, 16, 0,
IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1), nrefs);
} else {
int i;
assert(IS_8X8(mb_type));
for (i = 0; i < 4; i++) {
const int sub_mb_type = sl->sub_mb_type[i];
const int n = 4 * i;
int y_offset = (i & 2) << 2;
if (IS_SUB_8X8(sub_mb_type)) {
get_lowest_part_y(h, sl, refs, n, 8, y_offset,
IS_DIR(sub_mb_type, 0, 0),
IS_DIR(sub_mb_type, 0, 1),
nrefs);
} else if (IS_SUB_8X4(sub_mb_type)) {
get_lowest_part_y(h, sl, refs, n, 4, y_offset,
IS_DIR(sub_mb_type, 0, 0),
IS_DIR(sub_mb_type, 0, 1),
nrefs);
get_lowest_part_y(h, sl, refs, n + 2, 4, y_offset + 4,
IS_DIR(sub_mb_type, 0, 0),
IS_DIR(sub_mb_type, 0, 1),
nrefs);
} else if (IS_SUB_4X8(sub_mb_type)) {
get_lowest_part_y(h, sl, refs, n, 8, y_offset,
IS_DIR(sub_mb_type, 0, 0),
IS_DIR(sub_mb_type, 0, 1),
nrefs);
get_lowest_part_y(h, sl, refs, n + 1, 8, y_offset,
IS_DIR(sub_mb_type, 0, 0),
IS_DIR(sub_mb_type, 0, 1),
nrefs);
} else {
int j;
assert(IS_SUB_4X4(sub_mb_type));
for (j = 0; j < 4; j++) {
int sub_y_offset = y_offset + 2 * (j & 2);
get_lowest_part_y(h, sl, refs, n + j, 4, sub_y_offset,
IS_DIR(sub_mb_type, 0, 0),
IS_DIR(sub_mb_type, 0, 1),
nrefs);
}
}
}
}
for (list = sl->list_count - 1; list >= 0; list--)
for (ref = 0; ref < 48 && nrefs[list]; ref++) {
int row = refs[list][ref];
if (row >= 0) {
H264Ref *ref_pic = &sl->ref_list[list][ref];
int ref_field = ref_pic->reference - 1;
int ref_field_picture = ref_pic->parent->field_picture;
int pic_height = 16 * h->mb_height >> ref_field_picture;
row <<= MB_MBAFF(sl);
nrefs[list]--;
if (!FIELD_PICTURE(h) && ref_field_picture) {
ff_thread_await_progress(&ref_pic->parent->tf,
FFMIN((row >> 1) - !(row & 1),
pic_height - 1),
1);
ff_thread_await_progress(&ref_pic->parent->tf,
FFMIN((row >> 1), pic_height - 1),
0);
} else if (FIELD_PICTURE(h) && !ref_field_picture) {
ff_thread_await_progress(&ref_pic->parent->tf,
FFMIN(row * 2 + ref_field,
pic_height - 1),
0);
} else if (FIELD_PICTURE(h)) {
ff_thread_await_progress(&ref_pic->parent->tf,
FFMIN(row, pic_height - 1),
ref_field);
} else {
ff_thread_await_progress(&ref_pic->parent->tf,
FFMIN(row, pic_height - 1),
0);
}
}
}
} | ['static void h264_er_decode_mb(void *opaque, int ref, int mv_dir, int mv_type,\n int (*mv)[2][4][2],\n int mb_x, int mb_y, int mb_intra, int mb_skipped)\n{\n H264Context *h = opaque;\n H264SliceContext *sl = &h->slice_ctx[0];\n sl->mb_x = mb_x;\n sl->mb_y = mb_y;\n sl->mb_xy = mb_x + mb_y * h->mb_stride;\n memset(sl->non_zero_count_cache, 0, sizeof(sl->non_zero_count_cache));\n assert(ref >= 0);\n if (ref >= sl->ref_count[0])\n ref = 0;\n fill_rectangle(&h->cur_pic.ref_index[0][4 * sl->mb_xy],\n 2, 2, 2, ref, 1);\n fill_rectangle(&sl->ref_cache[0][scan8[0]], 4, 4, 8, ref, 1);\n fill_rectangle(sl->mv_cache[0][scan8[0]], 4, 4, 8,\n pack16to32((*mv)[0][0][0], (*mv)[0][0][1]), 4);\n assert(!FRAME_MBAFF(h));\n ff_h264_hl_decode_mb(h, &h->slice_ctx[0]);\n}', 'void ff_h264_hl_decode_mb(const H264Context *h, H264SliceContext *sl)\n{\n const int mb_xy = sl->mb_xy;\n const int mb_type = h->cur_pic.mb_type[mb_xy];\n int is_complex = CONFIG_SMALL || sl->is_complex ||\n IS_INTRA_PCM(mb_type) || sl->qscale == 0;\n if (CHROMA444(h)) {\n if (is_complex || h->pixel_shift)\n hl_decode_mb_444_complex(h, sl);\n else\n hl_decode_mb_444_simple_8(h, sl);\n } else if (is_complex) {\n hl_decode_mb_complex(h, sl);\n } else if (h->pixel_shift) {\n hl_decode_mb_simple_16(h, sl);\n } else\n hl_decode_mb_simple_8(h, sl);\n}', 'static av_noinline void FUNC(hl_decode_mb_444)(const H264Context *h, H264SliceContext *sl)\n{\n const int mb_x = sl->mb_x;\n const int mb_y = sl->mb_y;\n const int mb_xy = sl->mb_xy;\n const int mb_type = h->cur_pic.mb_type[mb_xy];\n uint8_t *dest[3];\n int linesize;\n int i, j, p;\n const int *block_offset = &h->block_offset[0];\n const int transform_bypass = !SIMPLE && (sl->qscale == 0 && h->ps.sps->transform_bypass);\n const int plane_count = (SIMPLE || !CONFIG_GRAY || !(h->flags & AV_CODEC_FLAG_GRAY)) ? 3 : 1;\n for (p = 0; p < plane_count; p++) {\n dest[p] = h->cur_pic.f->data[p] +\n ((mb_x << PIXEL_SHIFT) + mb_y * sl->linesize) * 16;\n h->vdsp.prefetch(dest[p] + (sl->mb_x & 3) * 4 * sl->linesize + (64 << PIXEL_SHIFT),\n sl->linesize, 4);\n }\n h->list_counts[mb_xy] = sl->list_count;\n if (!SIMPLE && MB_FIELD(sl)) {\n linesize = sl->mb_linesize = sl->mb_uvlinesize = sl->linesize * 2;\n block_offset = &h->block_offset[48];\n if (mb_y & 1)\n for (p = 0; p < 3; p++)\n dest[p] -= sl->linesize * 15;\n if (FRAME_MBAFF(h)) {\n int list;\n for (list = 0; list < sl->list_count; list++) {\n if (!USES_LIST(mb_type, list))\n continue;\n if (IS_16X16(mb_type)) {\n int8_t *ref = &sl->ref_cache[list][scan8[0]];\n fill_rectangle(ref, 4, 4, 8, (16 + *ref) ^ (sl->mb_y & 1), 1);\n } else {\n for (i = 0; i < 16; i += 4) {\n int ref = sl->ref_cache[list][scan8[i]];\n if (ref >= 0)\n fill_rectangle(&sl->ref_cache[list][scan8[i]], 2, 2,\n 8, (16 + ref) ^ (sl->mb_y & 1), 1);\n }\n }\n }\n }\n } else {\n linesize = sl->mb_linesize = sl->mb_uvlinesize = sl->linesize;\n }\n if (!SIMPLE && IS_INTRA_PCM(mb_type)) {\n if (PIXEL_SHIFT) {\n const int bit_depth = h->ps.sps->bit_depth_luma;\n GetBitContext gb;\n init_get_bits(&gb, sl->intra_pcm_ptr, 768 * bit_depth);\n for (p = 0; p < plane_count; p++)\n for (i = 0; i < 16; i++) {\n uint16_t *tmp = (uint16_t *)(dest[p] + i * linesize);\n for (j = 0; j < 16; j++)\n tmp[j] = get_bits(&gb, bit_depth);\n }\n } else {\n for (p = 0; p < plane_count; p++)\n for (i = 0; i < 16; i++)\n memcpy(dest[p] + i * linesize,\n sl->intra_pcm_ptr + p * 256 + i * 16, 16);\n }\n } else {\n if (IS_INTRA(mb_type)) {\n if (sl->deblocking_filter)\n xchg_mb_border(h, sl, dest[0], dest[1], dest[2], linesize,\n linesize, 1, 1, SIMPLE, PIXEL_SHIFT);\n for (p = 0; p < plane_count; p++)\n hl_decode_mb_predict_luma(h, sl, mb_type, SIMPLE,\n transform_bypass, PIXEL_SHIFT,\n block_offset, linesize, dest[p], p);\n if (sl->deblocking_filter)\n xchg_mb_border(h, sl, dest[0], dest[1], dest[2], linesize,\n linesize, 0, 1, SIMPLE, PIXEL_SHIFT);\n } else {\n FUNC(hl_motion_444)(h, sl, dest[0], dest[1], dest[2],\n h->h264qpel.put_h264_qpel_pixels_tab,\n h->h264chroma.put_h264_chroma_pixels_tab,\n h->h264qpel.avg_h264_qpel_pixels_tab,\n h->h264chroma.avg_h264_chroma_pixels_tab,\n h->h264dsp.weight_h264_pixels_tab,\n h->h264dsp.biweight_h264_pixels_tab);\n }\n for (p = 0; p < plane_count; p++)\n hl_decode_mb_idct_luma(h, sl, mb_type, SIMPLE, transform_bypass,\n PIXEL_SHIFT, block_offset, linesize,\n dest[p], p);\n }\n}', 'static void MCFUNC(hl_motion)(const H264Context *h, H264SliceContext *sl,\n uint8_t *dest_y,\n uint8_t *dest_cb, uint8_t *dest_cr,\n const qpel_mc_func(*qpix_put)[16],\n const h264_chroma_mc_func(*chroma_put),\n const qpel_mc_func(*qpix_avg)[16],\n const h264_chroma_mc_func(*chroma_avg),\n const h264_weight_func *weight_op,\n const h264_biweight_func *weight_avg)\n{\n const int mb_xy = sl->mb_xy;\n const int mb_type = h->cur_pic.mb_type[mb_xy];\n assert(IS_INTER(mb_type));\n if (HAVE_THREADS && (h->avctx->active_thread_type & FF_THREAD_FRAME))\n await_references(h, sl);\n prefetch_motion(h, sl, 0, PIXEL_SHIFT, CHROMA_IDC);\n if (IS_16X16(mb_type)) {\n mc_part(h, sl, 0, 1, 16, 0, dest_y, dest_cb, dest_cr, 0, 0,\n qpix_put[0], chroma_put[0], qpix_avg[0], chroma_avg[0],\n weight_op, weight_avg,\n IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));\n } else if (IS_16X8(mb_type)) {\n mc_part(h, sl, 0, 0, 8, 8 << PIXEL_SHIFT, dest_y, dest_cb, dest_cr, 0, 0,\n qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0],\n weight_op, weight_avg,\n IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));\n mc_part(h, sl, 8, 0, 8, 8 << PIXEL_SHIFT, dest_y, dest_cb, dest_cr, 0, 4,\n qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0],\n weight_op, weight_avg,\n IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1));\n } else if (IS_8X16(mb_type)) {\n mc_part(h, sl, 0, 0, 16, 8 * sl->mb_linesize, dest_y, dest_cb, dest_cr, 0, 0,\n qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],\n &weight_op[1], &weight_avg[1],\n IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));\n mc_part(h, sl, 4, 0, 16, 8 * sl->mb_linesize, dest_y, dest_cb, dest_cr, 4, 0,\n qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],\n &weight_op[1], &weight_avg[1],\n IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1));\n } else {\n int i;\n assert(IS_8X8(mb_type));\n for (i = 0; i < 4; i++) {\n const int sub_mb_type = sl->sub_mb_type[i];\n const int n = 4 * i;\n int x_offset = (i & 1) << 2;\n int y_offset = (i & 2) << 1;\n if (IS_SUB_8X8(sub_mb_type)) {\n mc_part(h, sl, n, 1, 8, 0, dest_y, dest_cb, dest_cr,\n x_offset, y_offset,\n qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],\n &weight_op[1], &weight_avg[1],\n IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));\n } else if (IS_SUB_8X4(sub_mb_type)) {\n mc_part(h, sl, n, 0, 4, 4 << PIXEL_SHIFT, dest_y, dest_cb, dest_cr,\n x_offset, y_offset,\n qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1],\n &weight_op[1], &weight_avg[1],\n IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));\n mc_part(h, sl, n + 2, 0, 4, 4 << PIXEL_SHIFT,\n dest_y, dest_cb, dest_cr, x_offset, y_offset + 2,\n qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1],\n &weight_op[1], &weight_avg[1],\n IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));\n } else if (IS_SUB_4X8(sub_mb_type)) {\n mc_part(h, sl, n, 0, 8, 4 * sl->mb_linesize,\n dest_y, dest_cb, dest_cr, x_offset, y_offset,\n qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],\n &weight_op[2], &weight_avg[2],\n IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));\n mc_part(h, sl, n + 1, 0, 8, 4 * sl->mb_linesize,\n dest_y, dest_cb, dest_cr, x_offset + 2, y_offset,\n qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],\n &weight_op[2], &weight_avg[2],\n IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));\n } else {\n int j;\n assert(IS_SUB_4X4(sub_mb_type));\n for (j = 0; j < 4; j++) {\n int sub_x_offset = x_offset + 2 * (j & 1);\n int sub_y_offset = y_offset + (j & 2);\n mc_part(h, sl, n + j, 1, 4, 0,\n dest_y, dest_cb, dest_cr, sub_x_offset, sub_y_offset,\n qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],\n &weight_op[2], &weight_avg[2],\n IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));\n }\n }\n }\n }\n prefetch_motion(h, sl, 1, PIXEL_SHIFT, CHROMA_IDC);\n}', 'static void await_references(const H264Context *h, H264SliceContext *sl)\n{\n const int mb_xy = sl->mb_xy;\n const int mb_type = h->cur_pic.mb_type[mb_xy];\n int refs[2][48];\n int nrefs[2] = { 0 };\n int ref, list;\n memset(refs, -1, sizeof(refs));\n if (IS_16X16(mb_type)) {\n get_lowest_part_y(h, sl, refs, 0, 16, 0,\n IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs);\n } else if (IS_16X8(mb_type)) {\n get_lowest_part_y(h, sl, refs, 0, 8, 0,\n IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs);\n get_lowest_part_y(h, sl, refs, 8, 8, 8,\n IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1), nrefs);\n } else if (IS_8X16(mb_type)) {\n get_lowest_part_y(h, sl, refs, 0, 16, 0,\n IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs);\n get_lowest_part_y(h, sl, refs, 4, 16, 0,\n IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1), nrefs);\n } else {\n int i;\n assert(IS_8X8(mb_type));\n for (i = 0; i < 4; i++) {\n const int sub_mb_type = sl->sub_mb_type[i];\n const int n = 4 * i;\n int y_offset = (i & 2) << 2;\n if (IS_SUB_8X8(sub_mb_type)) {\n get_lowest_part_y(h, sl, refs, n, 8, y_offset,\n IS_DIR(sub_mb_type, 0, 0),\n IS_DIR(sub_mb_type, 0, 1),\n nrefs);\n } else if (IS_SUB_8X4(sub_mb_type)) {\n get_lowest_part_y(h, sl, refs, n, 4, y_offset,\n IS_DIR(sub_mb_type, 0, 0),\n IS_DIR(sub_mb_type, 0, 1),\n nrefs);\n get_lowest_part_y(h, sl, refs, n + 2, 4, y_offset + 4,\n IS_DIR(sub_mb_type, 0, 0),\n IS_DIR(sub_mb_type, 0, 1),\n nrefs);\n } else if (IS_SUB_4X8(sub_mb_type)) {\n get_lowest_part_y(h, sl, refs, n, 8, y_offset,\n IS_DIR(sub_mb_type, 0, 0),\n IS_DIR(sub_mb_type, 0, 1),\n nrefs);\n get_lowest_part_y(h, sl, refs, n + 1, 8, y_offset,\n IS_DIR(sub_mb_type, 0, 0),\n IS_DIR(sub_mb_type, 0, 1),\n nrefs);\n } else {\n int j;\n assert(IS_SUB_4X4(sub_mb_type));\n for (j = 0; j < 4; j++) {\n int sub_y_offset = y_offset + 2 * (j & 2);\n get_lowest_part_y(h, sl, refs, n + j, 4, sub_y_offset,\n IS_DIR(sub_mb_type, 0, 0),\n IS_DIR(sub_mb_type, 0, 1),\n nrefs);\n }\n }\n }\n }\n for (list = sl->list_count - 1; list >= 0; list--)\n for (ref = 0; ref < 48 && nrefs[list]; ref++) {\n int row = refs[list][ref];\n if (row >= 0) {\n H264Ref *ref_pic = &sl->ref_list[list][ref];\n int ref_field = ref_pic->reference - 1;\n int ref_field_picture = ref_pic->parent->field_picture;\n int pic_height = 16 * h->mb_height >> ref_field_picture;\n row <<= MB_MBAFF(sl);\n nrefs[list]--;\n if (!FIELD_PICTURE(h) && ref_field_picture) {\n ff_thread_await_progress(&ref_pic->parent->tf,\n FFMIN((row >> 1) - !(row & 1),\n pic_height - 1),\n 1);\n ff_thread_await_progress(&ref_pic->parent->tf,\n FFMIN((row >> 1), pic_height - 1),\n 0);\n } else if (FIELD_PICTURE(h) && !ref_field_picture) {\n ff_thread_await_progress(&ref_pic->parent->tf,\n FFMIN(row * 2 + ref_field,\n pic_height - 1),\n 0);\n } else if (FIELD_PICTURE(h)) {\n ff_thread_await_progress(&ref_pic->parent->tf,\n FFMIN(row, pic_height - 1),\n ref_field);\n } else {\n ff_thread_await_progress(&ref_pic->parent->tf,\n FFMIN(row, pic_height - 1),\n 0);\n }\n }\n }\n}'] |
21,049 | 0 | https://github.com/libav/libav/blob/3b2fbe67bd63b00331db2a9b213f6d420418a312/libavcodec/opus_silk.c/#L821 | static inline void silk_stabilize_lsf(int16_t nlsf[16], int order, const uint16_t min_delta[17])
{
int pass, i;
for (pass = 0; pass < 20; pass++) {
int k, min_diff = 0;
for (i = 0; i < order+1; i++) {
int low = i != 0 ? nlsf[i-1] : 0;
int high = i != order ? nlsf[i] : 32768;
int diff = (high - low) - (min_delta[i]);
if (diff < min_diff) {
min_diff = diff;
k = i;
if (pass == 20)
break;
}
}
if (min_diff == 0)
return;
if (k == 0) {
nlsf[0] = min_delta[0];
} else if (k == order) {
nlsf[order-1] = 32768 - min_delta[order];
} else {
int min_center = 0, max_center = 32768, center_val;
for (i = 0; i < k; i++)
min_center += min_delta[i];
min_center += min_delta[k] >> 1;
for (i = order; i > k; i--)
max_center -= min_delta[k];
max_center -= min_delta[k] >> 1;
center_val = nlsf[k - 1] + nlsf[k];
center_val = (center_val >> 1) + (center_val & 1);
center_val = FFMIN(max_center, FFMAX(min_center, center_val));
nlsf[k - 1] = center_val - (min_delta[k] >> 1);
nlsf[k] = nlsf[k - 1] + min_delta[k];
}
}
for (i = 1; i < order; i++) {
int j, value = nlsf[i];
for (j = i - 1; j >= 0 && nlsf[j] > value; j--)
nlsf[j + 1] = nlsf[j];
nlsf[j + 1] = value;
}
if (nlsf[0] < min_delta[0])
nlsf[0] = min_delta[0];
for (i = 1; i < order; i++)
if (nlsf[i] < nlsf[i - 1] + min_delta[i])
nlsf[i] = nlsf[i - 1] + min_delta[i];
if (nlsf[order-1] > 32768 - min_delta[order])
nlsf[order-1] = 32768 - min_delta[order];
for (i = order-2; i >= 0; i--)
if (nlsf[i] > nlsf[i + 1] - min_delta[i+1])
nlsf[i] = nlsf[i + 1] - min_delta[i+1];
return;
} | ['static inline void silk_stabilize_lsf(int16_t nlsf[16], int order, const uint16_t min_delta[17])\n{\n int pass, i;\n for (pass = 0; pass < 20; pass++) {\n int k, min_diff = 0;\n for (i = 0; i < order+1; i++) {\n int low = i != 0 ? nlsf[i-1] : 0;\n int high = i != order ? nlsf[i] : 32768;\n int diff = (high - low) - (min_delta[i]);\n if (diff < min_diff) {\n min_diff = diff;\n k = i;\n if (pass == 20)\n break;\n }\n }\n if (min_diff == 0)\n return;\n if (k == 0) {\n nlsf[0] = min_delta[0];\n } else if (k == order) {\n nlsf[order-1] = 32768 - min_delta[order];\n } else {\n int min_center = 0, max_center = 32768, center_val;\n for (i = 0; i < k; i++)\n min_center += min_delta[i];\n min_center += min_delta[k] >> 1;\n for (i = order; i > k; i--)\n max_center -= min_delta[k];\n max_center -= min_delta[k] >> 1;\n center_val = nlsf[k - 1] + nlsf[k];\n center_val = (center_val >> 1) + (center_val & 1);\n center_val = FFMIN(max_center, FFMAX(min_center, center_val));\n nlsf[k - 1] = center_val - (min_delta[k] >> 1);\n nlsf[k] = nlsf[k - 1] + min_delta[k];\n }\n }\n for (i = 1; i < order; i++) {\n int j, value = nlsf[i];\n for (j = i - 1; j >= 0 && nlsf[j] > value; j--)\n nlsf[j + 1] = nlsf[j];\n nlsf[j + 1] = value;\n }\n if (nlsf[0] < min_delta[0])\n nlsf[0] = min_delta[0];\n for (i = 1; i < order; i++)\n if (nlsf[i] < nlsf[i - 1] + min_delta[i])\n nlsf[i] = nlsf[i - 1] + min_delta[i];\n if (nlsf[order-1] > 32768 - min_delta[order])\n nlsf[order-1] = 32768 - min_delta[order];\n for (i = order-2; i >= 0; i--)\n if (nlsf[i] > nlsf[i + 1] - min_delta[i+1])\n nlsf[i] = nlsf[i + 1] - min_delta[i+1];\n return;\n}'] |
21,050 | 0 | https://github.com/nginx/nginx/blob/e4ecddfdb0d2ffc872658e36028971ad9a873726/src/core/ngx_string.c/#L244 | u_char *
ngx_vsnprintf(u_char *buf, size_t max, const char *fmt, va_list args)
{
u_char *p, zero, *last;
int d;
float f, scale;
size_t len, slen;
int64_t i64;
uint64_t ui64;
ngx_msec_t ms;
ngx_uint_t width, sign, hex, max_width, frac_width, i;
ngx_str_t *v;
ngx_variable_value_t *vv;
if (max == 0) {
return buf;
}
last = buf + max;
while (*fmt && buf < last) {
if (*fmt == '%') {
i64 = 0;
ui64 = 0;
zero = (u_char) ((*++fmt == '0') ? '0' : ' ');
width = 0;
sign = 1;
hex = 0;
max_width = 0;
frac_width = 0;
slen = (size_t) -1;
while (*fmt >= '0' && *fmt <= '9') {
width = width * 10 + *fmt++ - '0';
}
for ( ;; ) {
switch (*fmt) {
case 'u':
sign = 0;
fmt++;
continue;
case 'm':
max_width = 1;
fmt++;
continue;
case 'X':
hex = 2;
sign = 0;
fmt++;
continue;
case 'x':
hex = 1;
sign = 0;
fmt++;
continue;
case '.':
fmt++;
while (*fmt >= '0' && *fmt <= '9') {
frac_width = frac_width * 10 + *fmt++ - '0';
}
break;
case '*':
slen = va_arg(args, size_t);
fmt++;
continue;
default:
break;
}
break;
}
switch (*fmt) {
case 'V':
v = va_arg(args, ngx_str_t *);
len = v->len;
len = (buf + len < last) ? len : (size_t) (last - buf);
buf = ngx_cpymem(buf, v->data, len);
fmt++;
continue;
case 'v':
vv = va_arg(args, ngx_variable_value_t *);
len = vv->len;
len = (buf + len < last) ? len : (size_t) (last - buf);
buf = ngx_cpymem(buf, vv->data, len);
fmt++;
continue;
case 's':
p = va_arg(args, u_char *);
if (slen == (size_t) -1) {
while (*p && buf < last) {
*buf++ = *p++;
}
} else {
len = (buf + slen < last) ? slen : (size_t) (last - buf);
buf = ngx_cpymem(buf, p, len);
}
fmt++;
continue;
case 'O':
i64 = (int64_t) va_arg(args, off_t);
sign = 1;
break;
case 'P':
i64 = (int64_t) va_arg(args, ngx_pid_t);
sign = 1;
break;
case 'T':
i64 = (int64_t) va_arg(args, time_t);
sign = 1;
break;
case 'M':
ms = (ngx_msec_t) va_arg(args, ngx_msec_t);
if ((ngx_msec_int_t) ms == -1) {
sign = 1;
i64 = -1;
} else {
sign = 0;
ui64 = (uint64_t) ms;
}
break;
case 'z':
if (sign) {
i64 = (int64_t) va_arg(args, ssize_t);
} else {
ui64 = (uint64_t) va_arg(args, size_t);
}
break;
case 'i':
if (sign) {
i64 = (int64_t) va_arg(args, ngx_int_t);
} else {
ui64 = (uint64_t) va_arg(args, ngx_uint_t);
}
if (max_width) {
width = NGX_INT_T_LEN;
}
break;
case 'd':
if (sign) {
i64 = (int64_t) va_arg(args, int);
} else {
ui64 = (uint64_t) va_arg(args, u_int);
}
break;
case 'l':
if (sign) {
i64 = (int64_t) va_arg(args, long);
} else {
ui64 = (uint64_t) va_arg(args, u_long);
}
break;
case 'D':
if (sign) {
i64 = (int64_t) va_arg(args, int32_t);
} else {
ui64 = (uint64_t) va_arg(args, uint32_t);
}
break;
case 'L':
if (sign) {
i64 = va_arg(args, int64_t);
} else {
ui64 = va_arg(args, uint64_t);
}
break;
case 'A':
if (sign) {
i64 = (int64_t) va_arg(args, ngx_atomic_int_t);
} else {
ui64 = (uint64_t) va_arg(args, ngx_atomic_uint_t);
}
if (max_width) {
width = NGX_ATOMIC_T_LEN;
}
break;
case 'f':
f = (float) va_arg(args, double);
if (f < 0) {
*buf++ = '-';
f = -f;
}
ui64 = (int64_t) f;
buf = ngx_sprintf_num(buf, last, ui64, zero, 0, width);
if (frac_width) {
if (buf < last) {
*buf++ = '.';
}
scale = 1.0;
for (i = 0; i < frac_width; i++) {
scale *= 10.0;
}
ui64 = (uint64_t) ((f - (int64_t) ui64) * scale);
buf = ngx_sprintf_num(buf, last, ui64, '0', 0, frac_width);
}
fmt++;
continue;
#if !(NGX_WIN32)
case 'r':
i64 = (int64_t) va_arg(args, rlim_t);
sign = 1;
break;
#endif
case 'p':
ui64 = (uintptr_t) va_arg(args, void *);
hex = 2;
sign = 0;
zero = '0';
width = NGX_PTR_SIZE * 2;
break;
case 'c':
d = va_arg(args, int);
*buf++ = (u_char) (d & 0xff);
fmt++;
continue;
case 'Z':
*buf++ = '\0';
fmt++;
continue;
case 'N':
#if (NGX_WIN32)
*buf++ = CR;
#endif
*buf++ = LF;
fmt++;
continue;
case '%':
*buf++ = '%';
fmt++;
continue;
default:
*buf++ = *fmt++;
continue;
}
if (sign) {
if (i64 < 0) {
*buf++ = '-';
ui64 = (uint64_t) -i64;
} else {
ui64 = (uint64_t) i64;
}
}
buf = ngx_sprintf_num(buf, last, ui64, zero, hex, width);
fmt++;
} else {
*buf++ = *fmt++;
}
}
return buf;
} | ['ngx_int_t\nngx_event_connect_peer(ngx_peer_connection_t *pc)\n{\n int rc;\n ngx_int_t event;\n ngx_err_t err;\n ngx_uint_t level;\n ngx_socket_t s;\n ngx_event_t *rev, *wev;\n ngx_connection_t *c;\n rc = pc->get(pc, pc->data);\n if (rc != NGX_OK) {\n return rc;\n }\n s = ngx_socket(pc->sockaddr->sa_family, SOCK_STREAM, 0);\n ngx_log_debug1(NGX_LOG_DEBUG_EVENT, pc->log, 0, "socket %d", s);\n if (s == -1) {\n ngx_log_error(NGX_LOG_ALERT, pc->log, ngx_socket_errno,\n ngx_socket_n " failed");\n return NGX_ERROR;\n }\n c = ngx_get_connection(s, pc->log);\n if (c == NULL) {\n if (ngx_close_socket(s) == -1) {\n ngx_log_error(NGX_LOG_ALERT, pc->log, ngx_socket_errno,\n ngx_close_socket_n "failed");\n }\n return NGX_ERROR;\n }\n if (pc->rcvbuf) {\n if (setsockopt(s, SOL_SOCKET, SO_RCVBUF,\n (const void *) &pc->rcvbuf, sizeof(int)) == -1)\n {\n ngx_log_error(NGX_LOG_ALERT, pc->log, ngx_socket_errno,\n "setsockopt(SO_RCVBUF) failed");\n ngx_free_connection(c);\n if (ngx_close_socket(s) == -1) {\n ngx_log_error(NGX_LOG_ALERT, pc->log, ngx_socket_errno,\n ngx_close_socket_n " failed");\n }\n return NGX_ERROR;\n }\n }\n if (ngx_nonblocking(s) == -1) {\n ngx_log_error(NGX_LOG_ALERT, pc->log, ngx_socket_errno,\n ngx_nonblocking_n " failed");\n ngx_free_connection(c);\n if (ngx_close_socket(s) == -1) {\n ngx_log_error(NGX_LOG_ALERT, pc->log, ngx_socket_errno,\n ngx_close_socket_n " failed");\n }\n return NGX_ERROR;\n }\n c->recv = ngx_recv;\n c->send = ngx_send;\n c->recv_chain = ngx_recv_chain;\n c->send_chain = ngx_send_chain;\n c->sendfile = 1;\n c->log_error = pc->log_error;\n if (pc->sockaddr->sa_family != AF_INET) {\n c->tcp_nopush = NGX_TCP_NOPUSH_DISABLED;\n c->tcp_nodelay = NGX_TCP_NODELAY_DISABLED;\n#if (NGX_SOLARIS)\n c->sendfile = 0;\n#endif\n }\n rev = c->read;\n wev = c->write;\n rev->log = pc->log;\n wev->log = pc->log;\n pc->connection = c;\n c->number = ngx_atomic_fetch_add(ngx_connection_counter, 1);\n#if (NGX_THREADS)\n rev->lock = pc->lock;\n wev->lock = pc->lock;\n rev->own_lock = &c->lock;\n wev->own_lock = &c->lock;\n#endif\n if (ngx_add_conn) {\n if (ngx_add_conn(c) == NGX_ERROR) {\n return NGX_ERROR;\n }\n }\n ngx_log_debug3(NGX_LOG_DEBUG_EVENT, pc->log, 0,\n "connect to %V, fd:%d #%d", pc->name, s, c->number);\n rc = connect(s, pc->sockaddr, pc->socklen);\n if (rc == -1) {\n err = ngx_socket_errno;\n if (err != NGX_EINPROGRESS\n#if (NGX_WIN32)\n && err != NGX_EAGAIN\n#endif\n )\n {\n if (err == NGX_ECONNREFUSED\n#if (NGX_LINUX)\n || err == NGX_EAGAIN\n#endif\n || err == NGX_ECONNRESET\n || err == NGX_ENETDOWN\n || err == NGX_ENETUNREACH\n || err == NGX_EHOSTDOWN\n || err == NGX_EHOSTUNREACH)\n {\n level = NGX_LOG_ERR;\n } else {\n level = NGX_LOG_CRIT;\n }\n ngx_log_error(level, c->log, err, "connect() to %V failed",\n pc->name);\n return NGX_DECLINED;\n }\n }\n if (ngx_add_conn) {\n if (rc == -1) {\n return NGX_AGAIN;\n }\n ngx_log_debug0(NGX_LOG_DEBUG_EVENT, pc->log, 0, "connected");\n wev->ready = 1;\n return NGX_OK;\n }\n if (ngx_event_flags & NGX_USE_AIO_EVENT) {\n ngx_log_debug1(NGX_LOG_DEBUG_EVENT, pc->log, ngx_socket_errno,\n "connect(): %d", rc);\n if (ngx_blocking(s) == -1) {\n ngx_log_error(NGX_LOG_ALERT, pc->log, ngx_socket_errno,\n ngx_blocking_n " failed");\n return NGX_ERROR;\n }\n rev->ready = 1;\n wev->ready = 1;\n return NGX_OK;\n }\n if (ngx_event_flags & NGX_USE_CLEAR_EVENT) {\n event = NGX_CLEAR_EVENT;\n } else {\n event = NGX_LEVEL_EVENT;\n }\n if (ngx_add_event(rev, NGX_READ_EVENT, event) != NGX_OK) {\n return NGX_ERROR;\n }\n if (rc == -1) {\n if (ngx_add_event(wev, NGX_WRITE_EVENT, event) != NGX_OK) {\n return NGX_ERROR;\n }\n return NGX_AGAIN;\n }\n ngx_log_debug0(NGX_LOG_DEBUG_EVENT, pc->log, 0, "connected");\n wev->ready = 1;\n return NGX_OK;\n}', 'void\nngx_log_error_core(ngx_uint_t level, ngx_log_t *log, ngx_err_t err,\n const char *fmt, ...)\n#else\nvoid\nngx_log_error_core(ngx_uint_t level, ngx_log_t *log, ngx_err_t err,\n const char *fmt, va_list args)\n#endif\n{\n#if (NGX_HAVE_VARIADIC_MACROS)\n va_list args;\n#endif\n u_char errstr[NGX_MAX_ERROR_STR], *p, *last;\n if (log->file->fd == NGX_INVALID_FILE) {\n return;\n }\n last = errstr + NGX_MAX_ERROR_STR;\n ngx_memcpy(errstr, ngx_cached_err_log_time.data,\n ngx_cached_err_log_time.len);\n p = errstr + ngx_cached_err_log_time.len;\n p = ngx_snprintf(p, last - p, " [%s] ", err_levels[level]);\n p = ngx_snprintf(p, last - p, "%P#" NGX_TID_T_FMT ": ",\n ngx_log_pid, ngx_log_tid);\n if (log->connection) {\n p = ngx_snprintf(p, last - p, "*%uA ", log->connection);\n }\n#if (NGX_HAVE_VARIADIC_MACROS)\n va_start(args, fmt);\n p = ngx_vsnprintf(p, last - p, fmt, args);\n va_end(args);\n#else\n p = ngx_vsnprintf(p, last - p, fmt, args);\n#endif\n if (err) {\n if (p > last - 50) {\n p = last - 50;\n *p++ = \'.\';\n *p++ = \'.\';\n *p++ = \'.\';\n }\n#if (NGX_WIN32)\n p = ngx_snprintf(p, last - p, ((unsigned) err < 0x80000000)\n ? " (%d: " : " (%Xd: ", err);\n#else\n p = ngx_snprintf(p, last - p, " (%d: ", err);\n#endif\n p = ngx_strerror_r(err, p, last - p);\n if (p < last) {\n *p++ = \')\';\n }\n }\n if (level != NGX_LOG_DEBUG && log->handler) {\n p = log->handler(log, p, last - p);\n }\n if (p > last - NGX_LINEFEED_SIZE) {\n p = last - NGX_LINEFEED_SIZE;\n }\n ngx_linefeed(p);\n (void) ngx_write_fd(log->file->fd, errstr, p - errstr);\n}', 'u_char * ngx_cdecl\nngx_snprintf(u_char *buf, size_t max, const char *fmt, ...)\n{\n u_char *p;\n va_list args;\n va_start(args, fmt);\n p = ngx_vsnprintf(buf, max, fmt, args);\n va_end(args);\n return p;\n}', "u_char *\nngx_vsnprintf(u_char *buf, size_t max, const char *fmt, va_list args)\n{\n u_char *p, zero, *last;\n int d;\n float f, scale;\n size_t len, slen;\n int64_t i64;\n uint64_t ui64;\n ngx_msec_t ms;\n ngx_uint_t width, sign, hex, max_width, frac_width, i;\n ngx_str_t *v;\n ngx_variable_value_t *vv;\n if (max == 0) {\n return buf;\n }\n last = buf + max;\n while (*fmt && buf < last) {\n if (*fmt == '%') {\n i64 = 0;\n ui64 = 0;\n zero = (u_char) ((*++fmt == '0') ? '0' : ' ');\n width = 0;\n sign = 1;\n hex = 0;\n max_width = 0;\n frac_width = 0;\n slen = (size_t) -1;\n while (*fmt >= '0' && *fmt <= '9') {\n width = width * 10 + *fmt++ - '0';\n }\n for ( ;; ) {\n switch (*fmt) {\n case 'u':\n sign = 0;\n fmt++;\n continue;\n case 'm':\n max_width = 1;\n fmt++;\n continue;\n case 'X':\n hex = 2;\n sign = 0;\n fmt++;\n continue;\n case 'x':\n hex = 1;\n sign = 0;\n fmt++;\n continue;\n case '.':\n fmt++;\n while (*fmt >= '0' && *fmt <= '9') {\n frac_width = frac_width * 10 + *fmt++ - '0';\n }\n break;\n case '*':\n slen = va_arg(args, size_t);\n fmt++;\n continue;\n default:\n break;\n }\n break;\n }\n switch (*fmt) {\n case 'V':\n v = va_arg(args, ngx_str_t *);\n len = v->len;\n len = (buf + len < last) ? len : (size_t) (last - buf);\n buf = ngx_cpymem(buf, v->data, len);\n fmt++;\n continue;\n case 'v':\n vv = va_arg(args, ngx_variable_value_t *);\n len = vv->len;\n len = (buf + len < last) ? len : (size_t) (last - buf);\n buf = ngx_cpymem(buf, vv->data, len);\n fmt++;\n continue;\n case 's':\n p = va_arg(args, u_char *);\n if (slen == (size_t) -1) {\n while (*p && buf < last) {\n *buf++ = *p++;\n }\n } else {\n len = (buf + slen < last) ? slen : (size_t) (last - buf);\n buf = ngx_cpymem(buf, p, len);\n }\n fmt++;\n continue;\n case 'O':\n i64 = (int64_t) va_arg(args, off_t);\n sign = 1;\n break;\n case 'P':\n i64 = (int64_t) va_arg(args, ngx_pid_t);\n sign = 1;\n break;\n case 'T':\n i64 = (int64_t) va_arg(args, time_t);\n sign = 1;\n break;\n case 'M':\n ms = (ngx_msec_t) va_arg(args, ngx_msec_t);\n if ((ngx_msec_int_t) ms == -1) {\n sign = 1;\n i64 = -1;\n } else {\n sign = 0;\n ui64 = (uint64_t) ms;\n }\n break;\n case 'z':\n if (sign) {\n i64 = (int64_t) va_arg(args, ssize_t);\n } else {\n ui64 = (uint64_t) va_arg(args, size_t);\n }\n break;\n case 'i':\n if (sign) {\n i64 = (int64_t) va_arg(args, ngx_int_t);\n } else {\n ui64 = (uint64_t) va_arg(args, ngx_uint_t);\n }\n if (max_width) {\n width = NGX_INT_T_LEN;\n }\n break;\n case 'd':\n if (sign) {\n i64 = (int64_t) va_arg(args, int);\n } else {\n ui64 = (uint64_t) va_arg(args, u_int);\n }\n break;\n case 'l':\n if (sign) {\n i64 = (int64_t) va_arg(args, long);\n } else {\n ui64 = (uint64_t) va_arg(args, u_long);\n }\n break;\n case 'D':\n if (sign) {\n i64 = (int64_t) va_arg(args, int32_t);\n } else {\n ui64 = (uint64_t) va_arg(args, uint32_t);\n }\n break;\n case 'L':\n if (sign) {\n i64 = va_arg(args, int64_t);\n } else {\n ui64 = va_arg(args, uint64_t);\n }\n break;\n case 'A':\n if (sign) {\n i64 = (int64_t) va_arg(args, ngx_atomic_int_t);\n } else {\n ui64 = (uint64_t) va_arg(args, ngx_atomic_uint_t);\n }\n if (max_width) {\n width = NGX_ATOMIC_T_LEN;\n }\n break;\n case 'f':\n f = (float) va_arg(args, double);\n if (f < 0) {\n *buf++ = '-';\n f = -f;\n }\n ui64 = (int64_t) f;\n buf = ngx_sprintf_num(buf, last, ui64, zero, 0, width);\n if (frac_width) {\n if (buf < last) {\n *buf++ = '.';\n }\n scale = 1.0;\n for (i = 0; i < frac_width; i++) {\n scale *= 10.0;\n }\n ui64 = (uint64_t) ((f - (int64_t) ui64) * scale);\n buf = ngx_sprintf_num(buf, last, ui64, '0', 0, frac_width);\n }\n fmt++;\n continue;\n#if !(NGX_WIN32)\n case 'r':\n i64 = (int64_t) va_arg(args, rlim_t);\n sign = 1;\n break;\n#endif\n case 'p':\n ui64 = (uintptr_t) va_arg(args, void *);\n hex = 2;\n sign = 0;\n zero = '0';\n width = NGX_PTR_SIZE * 2;\n break;\n case 'c':\n d = va_arg(args, int);\n *buf++ = (u_char) (d & 0xff);\n fmt++;\n continue;\n case 'Z':\n *buf++ = '\\0';\n fmt++;\n continue;\n case 'N':\n#if (NGX_WIN32)\n *buf++ = CR;\n#endif\n *buf++ = LF;\n fmt++;\n continue;\n case '%':\n *buf++ = '%';\n fmt++;\n continue;\n default:\n *buf++ = *fmt++;\n continue;\n }\n if (sign) {\n if (i64 < 0) {\n *buf++ = '-';\n ui64 = (uint64_t) -i64;\n } else {\n ui64 = (uint64_t) i64;\n }\n }\n buf = ngx_sprintf_num(buf, last, ui64, zero, hex, width);\n fmt++;\n } else {\n *buf++ = *fmt++;\n }\n }\n return buf;\n}"] |
21,051 | 0 | https://github.com/openssl/openssl/blob/0eab41fb78cf4d7c76e563fd677ab6c32fc28bb0/ssl/ssl_ciph.c/#L1712 | int SSL_COMP_add_compression_method(int id, COMP_METHOD *cm)
{
SSL_COMP *comp;
if (cm == NULL || cm->type == NID_undef)
return 1;
if (id < 193 || id > 255)
{
SSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD,SSL_R_COMPRESSION_ID_NOT_WITHIN_PRIVATE_RANGE);
return 0;
}
MemCheck_off();
comp=(SSL_COMP *)OPENSSL_malloc(sizeof(SSL_COMP));
comp->id=id;
comp->method=cm;
load_builtin_compressions();
if (ssl_comp_methods
&& !sk_SSL_COMP_find(ssl_comp_methods,comp))
{
OPENSSL_free(comp);
MemCheck_on();
SSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD,SSL_R_DUPLICATE_COMPRESSION_ID);
return(1);
}
else if ((ssl_comp_methods == NULL)
|| !sk_SSL_COMP_push(ssl_comp_methods,comp))
{
OPENSSL_free(comp);
MemCheck_on();
SSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD,ERR_R_MALLOC_FAILURE);
return(1);
}
else
{
MemCheck_on();
return(0);
}
} | ['int SSL_COMP_add_compression_method(int id, COMP_METHOD *cm)\n\t{\n\tSSL_COMP *comp;\n if (cm == NULL || cm->type == NID_undef)\n return 1;\n\tif (id < 193 || id > 255)\n\t\t{\n\t\tSSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD,SSL_R_COMPRESSION_ID_NOT_WITHIN_PRIVATE_RANGE);\n\t\treturn 0;\n\t\t}\n\tMemCheck_off();\n\tcomp=(SSL_COMP *)OPENSSL_malloc(sizeof(SSL_COMP));\n\tcomp->id=id;\n\tcomp->method=cm;\n\tload_builtin_compressions();\n\tif (ssl_comp_methods\n\t\t&& !sk_SSL_COMP_find(ssl_comp_methods,comp))\n\t\t{\n\t\tOPENSSL_free(comp);\n\t\tMemCheck_on();\n\t\tSSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD,SSL_R_DUPLICATE_COMPRESSION_ID);\n\t\treturn(1);\n\t\t}\n\telse if ((ssl_comp_methods == NULL)\n\t\t|| !sk_SSL_COMP_push(ssl_comp_methods,comp))\n\t\t{\n\t\tOPENSSL_free(comp);\n\t\tMemCheck_on();\n\t\tSSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD,ERR_R_MALLOC_FAILURE);\n\t\treturn(1);\n\t\t}\n\telse\n\t\t{\n\t\tMemCheck_on();\n\t\treturn(0);\n\t\t}\n\t}', 'int CRYPTO_mem_ctrl(int mode)\n\t{\n\tint ret=mh_mode;\n\tCRYPTO_w_lock(CRYPTO_LOCK_MALLOC);\n\tswitch (mode)\n\t\t{\n\tcase CRYPTO_MEM_CHECK_ON:\n\t\tmh_mode = CRYPTO_MEM_CHECK_ON|CRYPTO_MEM_CHECK_ENABLE;\n\t\tnum_disable = 0;\n\t\tbreak;\n\tcase CRYPTO_MEM_CHECK_OFF:\n\t\tmh_mode = 0;\n\t\tnum_disable = 0;\n\t\tbreak;\n\tcase CRYPTO_MEM_CHECK_DISABLE:\n\t\tif (mh_mode & CRYPTO_MEM_CHECK_ON)\n\t\t\t{\n\t\t\tCRYPTO_THREADID cur;\n\t\t\tCRYPTO_THREADID_current(&cur);\n\t\t\tif (!num_disable || CRYPTO_THREADID_cmp(&disabling_threadid, &cur))\n\t\t\t\t{\n\t\t\t\tCRYPTO_w_unlock(CRYPTO_LOCK_MALLOC);\n\t\t\t\tCRYPTO_w_lock(CRYPTO_LOCK_MALLOC2);\n\t\t\t\tCRYPTO_w_lock(CRYPTO_LOCK_MALLOC);\n\t\t\t\tmh_mode &= ~CRYPTO_MEM_CHECK_ENABLE;\n\t\t\t\tCRYPTO_THREADID_cpy(&disabling_threadid, &cur);\n\t\t\t\t}\n\t\t\tnum_disable++;\n\t\t\t}\n\t\tbreak;\n\tcase CRYPTO_MEM_CHECK_ENABLE:\n\t\tif (mh_mode & CRYPTO_MEM_CHECK_ON)\n\t\t\t{\n\t\t\tif (num_disable)\n\t\t\t\t{\n\t\t\t\tnum_disable--;\n\t\t\t\tif (num_disable == 0)\n\t\t\t\t\t{\n\t\t\t\t\tmh_mode|=CRYPTO_MEM_CHECK_ENABLE;\n\t\t\t\t\tCRYPTO_w_unlock(CRYPTO_LOCK_MALLOC2);\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\tbreak;\n\tdefault:\n\t\tbreak;\n\t\t}\n\tCRYPTO_w_unlock(CRYPTO_LOCK_MALLOC);\n\treturn(ret);\n\t}', 'void CRYPTO_lock(int mode, int type, const char *file, int line)\n\t{\n#ifdef LOCK_DEBUG\n\t\t{\n\t\tCRYPTO_THREADID id;\n\t\tchar *rw_text,*operation_text;\n\t\tif (mode & CRYPTO_LOCK)\n\t\t\toperation_text="lock ";\n\t\telse if (mode & CRYPTO_UNLOCK)\n\t\t\toperation_text="unlock";\n\t\telse\n\t\t\toperation_text="ERROR ";\n\t\tif (mode & CRYPTO_READ)\n\t\t\trw_text="r";\n\t\telse if (mode & CRYPTO_WRITE)\n\t\t\trw_text="w";\n\t\telse\n\t\t\trw_text="ERROR";\n\t\tCRYPTO_THREADID_current(&id);\n\t\tfprintf(stderr,"lock:%08lx:(%s)%s %-18s %s:%d\\n",\n\t\t\tCRYPTO_THREADID_hash(&id), rw_text, operation_text,\n\t\t\tCRYPTO_get_lock_name(type), file, line);\n\t\t}\n#endif\n\tif (type < 0)\n\t\t{\n\t\tif (dynlock_lock_callback != NULL)\n\t\t\t{\n\t\t\tstruct CRYPTO_dynlock_value *pointer\n\t\t\t\t= CRYPTO_get_dynlock_value(type);\n\t\t\tOPENSSL_assert(pointer != NULL);\n\t\t\tdynlock_lock_callback(mode, pointer, file, line);\n\t\t\tCRYPTO_destroy_dynlockid(type);\n\t\t\t}\n\t\t}\n\telse\n\t\tif (locking_callback != NULL)\n\t\t\tlocking_callback(mode,type,file,line);\n\t}', 'void *CRYPTO_malloc(int num, const char *file, int line)\n\t{\n\tvoid *ret = NULL;\n\tif (num <= 0) return NULL;\n\tallow_customize = 0;\n\tif (malloc_debug_func != NULL)\n\t\t{\n\t\tallow_customize_debug = 0;\n\t\tmalloc_debug_func(NULL, num, file, line, 0);\n\t\t}\n\tret = malloc_ex_func(num,file,line);\n#ifdef LEVITTE_DEBUG_MEM\n\tfprintf(stderr, "LEVITTE_DEBUG_MEM: > 0x%p (%d)\\n", ret, num);\n#endif\n\tif (malloc_debug_func != NULL)\n\t\tmalloc_debug_func(ret, num, file, line, 1);\n#ifndef OPENSSL_CPUID_OBJ\n if(ret && (num > 2048))\n\t{\textern unsigned char cleanse_ctr;\n ((unsigned char *)ret)[0] = cleanse_ctr;\n\t}\n#endif\n\treturn ret;\n\t}'] |
21,052 | 0 | https://github.com/openssl/openssl/blob/67dc995eaf538ea309c6292a1a5073465201f55b/ssl/statem/statem_lib.c/#L914 | static int ssl_add_cert_chain(SSL *s, WPACKET *pkt, CERT_PKEY *cpk, int *al)
{
int i, chain_count;
X509 *x;
STACK_OF(X509) *extra_certs;
STACK_OF(X509) *chain = NULL;
X509_STORE *chain_store;
int tmpal = SSL_AD_INTERNAL_ERROR;
if (cpk == NULL || cpk->x509 == NULL)
return 1;
x = cpk->x509;
if (cpk->chain != NULL)
extra_certs = cpk->chain;
else
extra_certs = s->ctx->extra_certs;
if ((s->mode & SSL_MODE_NO_AUTO_CHAIN) || extra_certs)
chain_store = NULL;
else if (s->cert->chain_store)
chain_store = s->cert->chain_store;
else
chain_store = s->ctx->cert_store;
if (chain_store != NULL) {
X509_STORE_CTX *xs_ctx = X509_STORE_CTX_new();
if (xs_ctx == NULL) {
SSLerr(SSL_F_SSL_ADD_CERT_CHAIN, ERR_R_MALLOC_FAILURE);
goto err;
}
if (!X509_STORE_CTX_init(xs_ctx, chain_store, x, NULL)) {
X509_STORE_CTX_free(xs_ctx);
SSLerr(SSL_F_SSL_ADD_CERT_CHAIN, ERR_R_X509_LIB);
goto err;
}
(void)X509_verify_cert(xs_ctx);
ERR_clear_error();
chain = X509_STORE_CTX_get0_chain(xs_ctx);
i = ssl_security_cert_chain(s, chain, NULL, 0);
if (i != 1) {
#if 0
SSLerr(SSL_F_SSL_ADD_CERT_CHAIN, SSL_R_EE_KEY_TOO_SMALL);
SSLerr(SSL_F_SSL_ADD_CERT_CHAIN, SSL_R_CA_KEY_TOO_SMALL);
SSLerr(SSL_F_SSL_ADD_CERT_CHAIN, SSL_R_CA_MD_TOO_WEAK);
#endif
X509_STORE_CTX_free(xs_ctx);
SSLerr(SSL_F_SSL_ADD_CERT_CHAIN, i);
goto err;
}
chain_count = sk_X509_num(chain);
for (i = 0; i < chain_count; i++) {
x = sk_X509_value(chain, i);
if (!ssl_add_cert_to_wpacket(s, pkt, x, i, &tmpal)) {
X509_STORE_CTX_free(xs_ctx);
goto err;
}
}
X509_STORE_CTX_free(xs_ctx);
} else {
i = ssl_security_cert_chain(s, extra_certs, x, 0);
if (i != 1) {
SSLerr(SSL_F_SSL_ADD_CERT_CHAIN, i);
goto err;
}
if (!ssl_add_cert_to_wpacket(s, pkt, x, 0, &tmpal))
goto err;
for (i = 0; i < sk_X509_num(extra_certs); i++) {
x = sk_X509_value(extra_certs, i);
if (!ssl_add_cert_to_wpacket(s, pkt, x, i + 1, &tmpal))
goto err;
}
}
return 1;
err:
*al = tmpal;
return 0;
} | ['static int ssl_add_cert_chain(SSL *s, WPACKET *pkt, CERT_PKEY *cpk, int *al)\n{\n int i, chain_count;\n X509 *x;\n STACK_OF(X509) *extra_certs;\n STACK_OF(X509) *chain = NULL;\n X509_STORE *chain_store;\n int tmpal = SSL_AD_INTERNAL_ERROR;\n if (cpk == NULL || cpk->x509 == NULL)\n return 1;\n x = cpk->x509;\n if (cpk->chain != NULL)\n extra_certs = cpk->chain;\n else\n extra_certs = s->ctx->extra_certs;\n if ((s->mode & SSL_MODE_NO_AUTO_CHAIN) || extra_certs)\n chain_store = NULL;\n else if (s->cert->chain_store)\n chain_store = s->cert->chain_store;\n else\n chain_store = s->ctx->cert_store;\n if (chain_store != NULL) {\n X509_STORE_CTX *xs_ctx = X509_STORE_CTX_new();\n if (xs_ctx == NULL) {\n SSLerr(SSL_F_SSL_ADD_CERT_CHAIN, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n if (!X509_STORE_CTX_init(xs_ctx, chain_store, x, NULL)) {\n X509_STORE_CTX_free(xs_ctx);\n SSLerr(SSL_F_SSL_ADD_CERT_CHAIN, ERR_R_X509_LIB);\n goto err;\n }\n (void)X509_verify_cert(xs_ctx);\n ERR_clear_error();\n chain = X509_STORE_CTX_get0_chain(xs_ctx);\n i = ssl_security_cert_chain(s, chain, NULL, 0);\n if (i != 1) {\n#if 0\n SSLerr(SSL_F_SSL_ADD_CERT_CHAIN, SSL_R_EE_KEY_TOO_SMALL);\n SSLerr(SSL_F_SSL_ADD_CERT_CHAIN, SSL_R_CA_KEY_TOO_SMALL);\n SSLerr(SSL_F_SSL_ADD_CERT_CHAIN, SSL_R_CA_MD_TOO_WEAK);\n#endif\n X509_STORE_CTX_free(xs_ctx);\n SSLerr(SSL_F_SSL_ADD_CERT_CHAIN, i);\n goto err;\n }\n chain_count = sk_X509_num(chain);\n for (i = 0; i < chain_count; i++) {\n x = sk_X509_value(chain, i);\n if (!ssl_add_cert_to_wpacket(s, pkt, x, i, &tmpal)) {\n X509_STORE_CTX_free(xs_ctx);\n goto err;\n }\n }\n X509_STORE_CTX_free(xs_ctx);\n } else {\n i = ssl_security_cert_chain(s, extra_certs, x, 0);\n if (i != 1) {\n SSLerr(SSL_F_SSL_ADD_CERT_CHAIN, i);\n goto err;\n }\n if (!ssl_add_cert_to_wpacket(s, pkt, x, 0, &tmpal))\n goto err;\n for (i = 0; i < sk_X509_num(extra_certs); i++) {\n x = sk_X509_value(extra_certs, i);\n if (!ssl_add_cert_to_wpacket(s, pkt, x, i + 1, &tmpal))\n goto err;\n }\n }\n return 1;\n err:\n *al = tmpal;\n return 0;\n}', 'X509_STORE_CTX *X509_STORE_CTX_new(void)\n{\n X509_STORE_CTX *ctx = OPENSSL_zalloc(sizeof(*ctx));\n if (ctx == NULL) {\n X509err(X509_F_X509_STORE_CTX_NEW, ERR_R_MALLOC_FAILURE);\n return NULL;\n }\n return ctx;\n}', 'void *CRYPTO_zalloc(size_t num, const char *file, int line)\n{\n void *ret = CRYPTO_malloc(num, file, line);\n FAILTEST();\n if (ret != NULL)\n memset(ret, 0, num);\n return ret;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)\n return malloc_impl(num, file, line);\n if (num == 0)\n return NULL;\n FAILTEST();\n allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n osslargused(file); osslargused(line);\n ret = malloc(num);\n#endif\n return ret;\n}', 'void X509_STORE_CTX_free(X509_STORE_CTX *ctx)\n{\n if (ctx == NULL)\n return;\n X509_STORE_CTX_cleanup(ctx);\n OPENSSL_free(ctx);\n}', 'void CRYPTO_free(void *str, const char *file, int line)\n{\n if (free_impl != NULL && free_impl != &CRYPTO_free) {\n free_impl(str, file, line);\n return;\n }\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_free(str, 0, file, line);\n free(str);\n CRYPTO_mem_debug_free(str, 1, file, line);\n } else {\n free(str);\n }\n#else\n free(str);\n#endif\n}'] |
21,053 | 0 | https://github.com/openssl/openssl/blob/0185803cc224c8d88ca39ae07c296a4f1854e478/engines/e_sureware.c/#L661 | static EVP_PKEY* sureware_load_public(ENGINE *e,const char *key_id,char *hptr,unsigned long el,char keytype)
{
EVP_PKEY *res = NULL;
#ifndef OPENSSL_NO_RSA
RSA *rsatmp = NULL;
#endif
#ifndef OPENSSL_NO_DSA
DSA *dsatmp=NULL;
#endif
char msg[64]="sureware_load_public";
int ret=0;
if(!p_surewarehk_Load_Rsa_Pubkey || !p_surewarehk_Load_Dsa_Pubkey)
{
SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PUBLIC_KEY,ENGINE_R_NOT_INITIALISED);
goto err;
}
switch (keytype)
{
#ifndef OPENSSL_NO_RSA
case 1:
rsatmp = RSA_new_method(e);
RSA_set_ex_data(rsatmp,rsaHndidx,hptr);
rsatmp->flags |= RSA_FLAG_EXT_PKEY;
rsatmp->e = BN_new();
rsatmp->n = BN_new();
bn_expand2(rsatmp->e, el/sizeof(BN_ULONG));
bn_expand2(rsatmp->n, el/sizeof(BN_ULONG));
if (!rsatmp->e || rsatmp->e->dmax!=(int)(el/sizeof(BN_ULONG))||
!rsatmp->n || rsatmp->n->dmax!=(int)(el/sizeof(BN_ULONG)))
goto err;
ret=p_surewarehk_Load_Rsa_Pubkey(msg,key_id,el,
(unsigned long *)rsatmp->n->d,
(unsigned long *)rsatmp->e->d);
surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_LOAD_PUBLIC_KEY,ret);
if (ret!=1)
{
SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVATE_KEY,ENGINE_R_FAILED_LOADING_PUBLIC_KEY);
goto err;
}
rsatmp->e->top=el/sizeof(BN_ULONG);
bn_fix_top(rsatmp->e);
rsatmp->n->top=el/sizeof(BN_ULONG);
bn_fix_top(rsatmp->n);
res = EVP_PKEY_new();
EVP_PKEY_assign_RSA(res, rsatmp);
break;
#endif
#ifndef OPENSSL_NO_DSA
case 2:
dsatmp = DSA_new_method(e);
DSA_set_ex_data(dsatmp,dsaHndidx,hptr);
dsatmp->pub_key = BN_new();
dsatmp->p = BN_new();
dsatmp->q = BN_new();
dsatmp->g = BN_new();
bn_expand2(dsatmp->pub_key, el/sizeof(BN_ULONG));
bn_expand2(dsatmp->p, el/sizeof(BN_ULONG));
bn_expand2(dsatmp->q, 20/sizeof(BN_ULONG));
bn_expand2(dsatmp->g, el/sizeof(BN_ULONG));
if (!dsatmp->pub_key || dsatmp->pub_key->dmax!=(int)(el/sizeof(BN_ULONG))||
!dsatmp->p || dsatmp->p->dmax!=(int)(el/sizeof(BN_ULONG)) ||
!dsatmp->q || dsatmp->q->dmax!=20/sizeof(BN_ULONG) ||
!dsatmp->g || dsatmp->g->dmax!=(int)(el/sizeof(BN_ULONG)))
goto err;
ret=p_surewarehk_Load_Dsa_Pubkey(msg,key_id,el,
(unsigned long *)dsatmp->pub_key->d,
(unsigned long *)dsatmp->p->d,
(unsigned long *)dsatmp->q->d,
(unsigned long *)dsatmp->g->d);
surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_LOAD_PUBLIC_KEY,ret);
if (ret!=1)
{
SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVATE_KEY,ENGINE_R_FAILED_LOADING_PUBLIC_KEY);
goto err;
}
dsatmp->pub_key->top=el/sizeof(BN_ULONG);
bn_fix_top(dsatmp->pub_key);
dsatmp->p->top=el/sizeof(BN_ULONG);
bn_fix_top(dsatmp->p);
dsatmp->q->top=20/sizeof(BN_ULONG);
bn_fix_top(dsatmp->q);
dsatmp->g->top=el/sizeof(BN_ULONG);
bn_fix_top(dsatmp->g);
res = EVP_PKEY_new();
EVP_PKEY_assign_DSA(res, dsatmp);
break;
#endif
default:
SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVATE_KEY,ENGINE_R_FAILED_LOADING_PRIVATE_KEY);
goto err;
}
return res;
err:
if (res)
EVP_PKEY_free(res);
#ifndef OPENSSL_NO_RSA
if (rsatmp)
RSA_free(rsatmp);
#endif
#ifndef OPENSSL_NO_DSA
if (dsatmp)
DSA_free(dsatmp);
#endif
return NULL;
} | ['static EVP_PKEY* sureware_load_public(ENGINE *e,const char *key_id,char *hptr,unsigned long el,char keytype)\n{\n\tEVP_PKEY *res = NULL;\n#ifndef OPENSSL_NO_RSA\n\tRSA *rsatmp = NULL;\n#endif\n#ifndef OPENSSL_NO_DSA\n\tDSA *dsatmp=NULL;\n#endif\n\tchar msg[64]="sureware_load_public";\n\tint ret=0;\n\tif(!p_surewarehk_Load_Rsa_Pubkey || !p_surewarehk_Load_Dsa_Pubkey)\n\t{\n\t\tSUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PUBLIC_KEY,ENGINE_R_NOT_INITIALISED);\n\t\tgoto err;\n\t}\n\tswitch (keytype)\n\t{\n#ifndef OPENSSL_NO_RSA\n\tcase 1:\n\t\trsatmp = RSA_new_method(e);\n\t\tRSA_set_ex_data(rsatmp,rsaHndidx,hptr);\n\t\trsatmp->flags |= RSA_FLAG_EXT_PKEY;\n\t\trsatmp->e = BN_new();\n\t\trsatmp->n = BN_new();\n\t\tbn_expand2(rsatmp->e, el/sizeof(BN_ULONG));\n\t\tbn_expand2(rsatmp->n, el/sizeof(BN_ULONG));\n\t\tif (!rsatmp->e || rsatmp->e->dmax!=(int)(el/sizeof(BN_ULONG))||\n\t\t\t!rsatmp->n || rsatmp->n->dmax!=(int)(el/sizeof(BN_ULONG)))\n\t\t\tgoto err;\n\t\tret=p_surewarehk_Load_Rsa_Pubkey(msg,key_id,el,\n\t\t\t\t\t\t (unsigned long *)rsatmp->n->d,\n\t\t\t\t\t\t (unsigned long *)rsatmp->e->d);\n\t\tsurewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_LOAD_PUBLIC_KEY,ret);\n\t\tif (ret!=1)\n\t\t{\n\t\t\tSUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVATE_KEY,ENGINE_R_FAILED_LOADING_PUBLIC_KEY);\n\t\t\tgoto err;\n\t\t}\n\t\trsatmp->e->top=el/sizeof(BN_ULONG);\n\t\tbn_fix_top(rsatmp->e);\n\t\trsatmp->n->top=el/sizeof(BN_ULONG);\n\t\tbn_fix_top(rsatmp->n);\n\t\tres = EVP_PKEY_new();\n\t\tEVP_PKEY_assign_RSA(res, rsatmp);\n\t\tbreak;\n#endif\n#ifndef OPENSSL_NO_DSA\n\tcase 2:\n\t\tdsatmp = DSA_new_method(e);\n\t\tDSA_set_ex_data(dsatmp,dsaHndidx,hptr);\n\t\tdsatmp->pub_key = BN_new();\n\t\tdsatmp->p = BN_new();\n\t\tdsatmp->q = BN_new();\n\t\tdsatmp->g = BN_new();\n\t\tbn_expand2(dsatmp->pub_key, el/sizeof(BN_ULONG));\n\t\tbn_expand2(dsatmp->p, el/sizeof(BN_ULONG));\n\t\tbn_expand2(dsatmp->q, 20/sizeof(BN_ULONG));\n\t\tbn_expand2(dsatmp->g, el/sizeof(BN_ULONG));\n\t\tif (!dsatmp->pub_key || dsatmp->pub_key->dmax!=(int)(el/sizeof(BN_ULONG))||\n\t\t\t!dsatmp->p || dsatmp->p->dmax!=(int)(el/sizeof(BN_ULONG)) ||\n\t\t\t!dsatmp->q || dsatmp->q->dmax!=20/sizeof(BN_ULONG) ||\n\t\t\t!dsatmp->g || dsatmp->g->dmax!=(int)(el/sizeof(BN_ULONG)))\n\t\t\tgoto err;\n\t\tret=p_surewarehk_Load_Dsa_Pubkey(msg,key_id,el,\n\t\t\t\t\t\t (unsigned long *)dsatmp->pub_key->d,\n\t\t\t\t\t\t (unsigned long *)dsatmp->p->d,\n\t\t\t\t\t\t (unsigned long *)dsatmp->q->d,\n\t\t\t\t\t\t (unsigned long *)dsatmp->g->d);\n\t\tsurewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_LOAD_PUBLIC_KEY,ret);\n\t\tif (ret!=1)\n\t\t{\n\t\t\tSUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVATE_KEY,ENGINE_R_FAILED_LOADING_PUBLIC_KEY);\n\t\t\tgoto err;\n\t\t}\n\t\tdsatmp->pub_key->top=el/sizeof(BN_ULONG);\n\t\tbn_fix_top(dsatmp->pub_key);\n\t\tdsatmp->p->top=el/sizeof(BN_ULONG);\n\t\tbn_fix_top(dsatmp->p);\n\t\tdsatmp->q->top=20/sizeof(BN_ULONG);\n\t\tbn_fix_top(dsatmp->q);\n\t\tdsatmp->g->top=el/sizeof(BN_ULONG);\n\t\tbn_fix_top(dsatmp->g);\n\t\tres = EVP_PKEY_new();\n\t\tEVP_PKEY_assign_DSA(res, dsatmp);\n\t\tbreak;\n#endif\n\tdefault:\n\t\tSUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVATE_KEY,ENGINE_R_FAILED_LOADING_PRIVATE_KEY);\n\t\tgoto err;\n\t}\n\treturn res;\n err:\n\tif (res)\n\t\tEVP_PKEY_free(res);\n#ifndef OPENSSL_NO_RSA\n\tif (rsatmp)\n\t\tRSA_free(rsatmp);\n#endif\n#ifndef OPENSSL_NO_DSA\n\tif (dsatmp)\n\t\tDSA_free(dsatmp);\n#endif\n\treturn NULL;\n}', 'RSA *RSA_new_method(ENGINE *engine)\n\t{\n\tRSA *ret;\n\tret=(RSA *)OPENSSL_malloc(sizeof(RSA));\n\tif (ret == NULL)\n\t\t{\n\t\tRSAerr(RSA_F_RSA_NEW_METHOD,ERR_R_MALLOC_FAILURE);\n\t\treturn NULL;\n\t\t}\n\tret->meth = RSA_get_default_method();\n#ifndef OPENSSL_NO_ENGINE\n\tif (engine)\n\t\t{\n\t\tif (!ENGINE_init(engine))\n\t\t\t{\n\t\t\tRSAerr(RSA_F_RSA_NEW_METHOD, ERR_R_ENGINE_LIB);\n\t\t\tOPENSSL_free(ret);\n\t\t\treturn NULL;\n\t\t\t}\n\t\tret->engine = engine;\n\t\t}\n\telse\n\t\tret->engine = ENGINE_get_default_RSA();\n\tif(ret->engine)\n\t\t{\n\t\tret->meth = ENGINE_get_RSA(ret->engine);\n\t\tif(!ret->meth)\n\t\t\t{\n\t\t\tRSAerr(RSA_F_RSA_NEW_METHOD,\n\t\t\t\tERR_R_ENGINE_LIB);\n\t\t\tENGINE_finish(ret->engine);\n\t\t\tOPENSSL_free(ret);\n\t\t\treturn NULL;\n\t\t\t}\n\t\t}\n#endif\n\tret->pad=0;\n\tret->version=0;\n\tret->n=NULL;\n\tret->e=NULL;\n\tret->d=NULL;\n\tret->p=NULL;\n\tret->q=NULL;\n\tret->dmp1=NULL;\n\tret->dmq1=NULL;\n\tret->iqmp=NULL;\n\tret->references=1;\n\tret->_method_mod_n=NULL;\n\tret->_method_mod_p=NULL;\n\tret->_method_mod_q=NULL;\n\tret->blinding=NULL;\n\tret->bignum_data=NULL;\n\tret->flags=ret->meth->flags;\n\tCRYPTO_new_ex_data(CRYPTO_EX_INDEX_RSA, ret, &ret->ex_data);\n\tif ((ret->meth->init != NULL) && !ret->meth->init(ret))\n\t\t{\n#ifndef OPENSSL_NO_ENGINE\n\t\tif (ret->engine)\n\t\t\tENGINE_finish(ret->engine);\n#endif\n\t\tCRYPTO_free_ex_data(CRYPTO_EX_INDEX_RSA, ret, &ret->ex_data);\n\t\tOPENSSL_free(ret);\n\t\tret=NULL;\n\t\t}\n\treturn(ret);\n\t}', 'void *CRYPTO_malloc(int num, const char *file, int line)\n\t{\n\tvoid *ret = NULL;\n\textern unsigned char cleanse_ctr;\n\tif (num < 0) return NULL;\n\tallow_customize = 0;\n\tif (malloc_debug_func != NULL)\n\t\t{\n\t\tallow_customize_debug = 0;\n\t\tmalloc_debug_func(NULL, num, file, line, 0);\n\t\t}\n\tret = malloc_ex_func(num,file,line);\n#ifdef LEVITTE_DEBUG_MEM\n\tfprintf(stderr, "LEVITTE_DEBUG_MEM: > 0x%p (%d)\\n", ret, num);\n#endif\n\tif (malloc_debug_func != NULL)\n\t\tmalloc_debug_func(ret, num, file, line, 1);\n if(ret && (num > 2048))\n ((unsigned char *)ret)[0] = cleanse_ctr;\n\treturn ret;\n\t}', 'void ERR_put_error(int lib, int func, int reason, const char *file,\n\t int line)\n\t{\n\tERR_STATE *es;\n#ifdef _OSD_POSIX\n\tif (strncmp(file,"*POSIX(", sizeof("*POSIX(")-1) == 0) {\n\t\tchar *end;\n\t\tfile += sizeof("*POSIX(")-1;\n\t\tend = &file[strlen(file)-1];\n\t\tif (*end == \')\')\n\t\t\t*end = \'\\0\';\n\t\tif ((end = strrchr(file, \'/\')) != NULL)\n\t\t\tfile = &end[1];\n\t}\n#endif\n\tes=ERR_get_state();\n\tes->top=(es->top+1)%ERR_NUM_ERRORS;\n\tif (es->top == es->bottom)\n\t\tes->bottom=(es->bottom+1)%ERR_NUM_ERRORS;\n\tes->err_buffer[es->top]=ERR_PACK(lib,func,reason);\n\tes->err_file[es->top]=file;\n\tes->err_line[es->top]=line;\n\terr_clear_data(es,es->top);\n\t}'] |
21,054 | 0 | https://github.com/openssl/openssl/blob/9c46f4b9cd4912b61cb546c48b678488d7f26ed6/crypto/lhash/lhash.c/#L273 | static void doall_util_fn(_LHASH *lh, int use_arg, LHASH_DOALL_FN_TYPE func,
LHASH_DOALL_ARG_FN_TYPE func_arg, void *arg)
{
int i;
LHASH_NODE *a, *n;
if (lh == NULL)
return;
for (i = lh->num_nodes - 1; i >= 0; i--) {
a = lh->b[i];
while (a != NULL) {
n = a->next;
if (use_arg)
func_arg(a->data, arg);
else
func(a->data);
a = n;
}
}
} | ['SSL *SSL_dup(SSL *s)\n{\n STACK_OF(X509_NAME) *sk;\n X509_NAME *xn;\n SSL *ret;\n int i;\n if ((ret = SSL_new(SSL_get_SSL_CTX(s))) == NULL)\n return (NULL);\n ret->version = s->version;\n ret->type = s->type;\n ret->method = s->method;\n if (s->session != NULL) {\n SSL_copy_session_id(ret, s);\n } else {\n ret->method->ssl_free(ret);\n ret->method = s->method;\n ret->method->ssl_new(ret);\n if (s->cert != NULL) {\n if (ret->cert != NULL) {\n ssl_cert_free(ret->cert);\n }\n ret->cert = ssl_cert_dup(s->cert);\n if (ret->cert == NULL)\n goto err;\n }\n SSL_set_session_id_context(ret, s->sid_ctx, s->sid_ctx_length);\n }\n ret->options = s->options;\n ret->mode = s->mode;\n SSL_set_max_cert_list(ret, SSL_get_max_cert_list(s));\n SSL_set_read_ahead(ret, SSL_get_read_ahead(s));\n ret->msg_callback = s->msg_callback;\n ret->msg_callback_arg = s->msg_callback_arg;\n SSL_set_verify(ret, SSL_get_verify_mode(s), SSL_get_verify_callback(s));\n SSL_set_verify_depth(ret, SSL_get_verify_depth(s));\n ret->generate_session_id = s->generate_session_id;\n SSL_set_info_callback(ret, SSL_get_info_callback(s));\n ret->debug = s->debug;\n if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_SSL, &ret->ex_data, &s->ex_data))\n goto err;\n if (s->rbio != NULL) {\n if (!BIO_dup_state(s->rbio, (char *)&ret->rbio))\n goto err;\n }\n if (s->wbio != NULL) {\n if (s->wbio != s->rbio) {\n if (!BIO_dup_state(s->wbio, (char *)&ret->wbio))\n goto err;\n } else\n ret->wbio = ret->rbio;\n }\n ret->rwstate = s->rwstate;\n ret->in_handshake = s->in_handshake;\n ret->handshake_func = s->handshake_func;\n ret->server = s->server;\n ret->renegotiate = s->renegotiate;\n ret->new_session = s->new_session;\n ret->quiet_shutdown = s->quiet_shutdown;\n ret->shutdown = s->shutdown;\n ret->state = s->state;\n ret->rstate = s->rstate;\n ret->init_num = 0;\n ret->hit = s->hit;\n X509_VERIFY_PARAM_inherit(ret->param, s->param);\n if (s->cipher_list != NULL) {\n if ((ret->cipher_list = sk_SSL_CIPHER_dup(s->cipher_list)) == NULL)\n goto err;\n }\n if (s->cipher_list_by_id != NULL)\n if ((ret->cipher_list_by_id = sk_SSL_CIPHER_dup(s->cipher_list_by_id))\n == NULL)\n goto err;\n if (s->client_CA != NULL) {\n if ((sk = sk_X509_NAME_dup(s->client_CA)) == NULL)\n goto err;\n ret->client_CA = sk;\n for (i = 0; i < sk_X509_NAME_num(sk); i++) {\n xn = sk_X509_NAME_value(sk, i);\n if (sk_X509_NAME_set(sk, i, X509_NAME_dup(xn)) == NULL) {\n X509_NAME_free(xn);\n goto err;\n }\n }\n }\n if (0) {\n err:\n if (ret != NULL)\n SSL_free(ret);\n ret = NULL;\n }\n return (ret);\n}', 'SSL *SSL_new(SSL_CTX *ctx)\n{\n SSL *s;\n if (ctx == NULL) {\n SSLerr(SSL_F_SSL_NEW, SSL_R_NULL_SSL_CTX);\n return (NULL);\n }\n if (ctx->method == NULL) {\n SSLerr(SSL_F_SSL_NEW, SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION);\n return (NULL);\n }\n s = (SSL *)OPENSSL_malloc(sizeof(SSL));\n if (s == NULL)\n goto err;\n memset(s, 0, sizeof(SSL));\n#ifndef OPENSSL_NO_KRB5\n s->kssl_ctx = kssl_ctx_new();\n#endif\n s->options = ctx->options;\n s->mode = ctx->mode;\n s->max_cert_list = ctx->max_cert_list;\n if (ctx->cert != NULL) {\n s->cert = ssl_cert_dup(ctx->cert);\n if (s->cert == NULL)\n goto err;\n } else\n s->cert = NULL;\n s->read_ahead = ctx->read_ahead;\n s->msg_callback = ctx->msg_callback;\n s->msg_callback_arg = ctx->msg_callback_arg;\n s->verify_mode = ctx->verify_mode;\n s->not_resumable_session_cb = ctx->not_resumable_session_cb;\n#if 0\n s->verify_depth = ctx->verify_depth;\n#endif\n s->sid_ctx_length = ctx->sid_ctx_length;\n OPENSSL_assert(s->sid_ctx_length <= sizeof s->sid_ctx);\n memcpy(&s->sid_ctx, &ctx->sid_ctx, sizeof(s->sid_ctx));\n s->verify_callback = ctx->default_verify_callback;\n s->generate_session_id = ctx->generate_session_id;\n s->param = X509_VERIFY_PARAM_new();\n if (!s->param)\n goto err;\n X509_VERIFY_PARAM_inherit(s->param, ctx->param);\n#if 0\n s->purpose = ctx->purpose;\n s->trust = ctx->trust;\n#endif\n s->quiet_shutdown = ctx->quiet_shutdown;\n s->max_send_fragment = ctx->max_send_fragment;\n CRYPTO_add(&ctx->references, 1, CRYPTO_LOCK_SSL_CTX);\n s->ctx = ctx;\n#ifndef OPENSSL_NO_TLSEXT\n s->tlsext_debug_cb = 0;\n s->tlsext_debug_arg = NULL;\n s->tlsext_ticket_expected = 0;\n s->tlsext_status_type = -1;\n s->tlsext_status_expected = 0;\n s->tlsext_ocsp_ids = NULL;\n s->tlsext_ocsp_exts = NULL;\n s->tlsext_ocsp_resp = NULL;\n s->tlsext_ocsp_resplen = -1;\n CRYPTO_add(&ctx->references, 1, CRYPTO_LOCK_SSL_CTX);\n s->initial_ctx = ctx;\n# ifndef OPENSSL_NO_EC\n if (ctx->tlsext_ecpointformatlist) {\n s->tlsext_ecpointformatlist =\n BUF_memdup(ctx->tlsext_ecpointformatlist,\n ctx->tlsext_ecpointformatlist_length);\n if (!s->tlsext_ecpointformatlist)\n goto err;\n s->tlsext_ecpointformatlist_length =\n ctx->tlsext_ecpointformatlist_length;\n }\n if (ctx->tlsext_ellipticcurvelist) {\n s->tlsext_ellipticcurvelist =\n BUF_memdup(ctx->tlsext_ellipticcurvelist,\n ctx->tlsext_ellipticcurvelist_length);\n if (!s->tlsext_ellipticcurvelist)\n goto err;\n s->tlsext_ellipticcurvelist_length =\n ctx->tlsext_ellipticcurvelist_length;\n }\n# endif\n# ifndef OPENSSL_NO_NEXTPROTONEG\n s->next_proto_negotiated = NULL;\n# endif\n if (s->ctx->alpn_client_proto_list) {\n s->alpn_client_proto_list =\n OPENSSL_malloc(s->ctx->alpn_client_proto_list_len);\n if (s->alpn_client_proto_list == NULL)\n goto err;\n memcpy(s->alpn_client_proto_list, s->ctx->alpn_client_proto_list,\n s->ctx->alpn_client_proto_list_len);\n s->alpn_client_proto_list_len = s->ctx->alpn_client_proto_list_len;\n }\n#endif\n s->verify_result = X509_V_OK;\n s->method = ctx->method;\n if (!s->method->ssl_new(s))\n goto err;\n s->references = 1;\n s->server = (ctx->method->ssl_accept == ssl_undefined_function) ? 0 : 1;\n SSL_clear(s);\n CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data);\n#ifndef OPENSSL_NO_PSK\n s->psk_client_callback = ctx->psk_client_callback;\n s->psk_server_callback = ctx->psk_server_callback;\n#endif\n return (s);\n err:\n if (s != NULL)\n SSL_free(s);\n SSLerr(SSL_F_SSL_NEW, ERR_R_MALLOC_FAILURE);\n return (NULL);\n}', 'void SSL_free(SSL *s)\n{\n int i;\n if (s == NULL)\n return;\n i = CRYPTO_add(&s->references, -1, CRYPTO_LOCK_SSL);\n#ifdef REF_PRINT\n REF_PRINT("SSL", s);\n#endif\n if (i > 0)\n return;\n#ifdef REF_CHECK\n if (i < 0) {\n fprintf(stderr, "SSL_free, bad reference count\\n");\n abort();\n }\n#endif\n if (s->param)\n X509_VERIFY_PARAM_free(s->param);\n CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data);\n if (s->bbio != NULL) {\n if (s->bbio == s->wbio) {\n s->wbio = BIO_pop(s->wbio);\n }\n BIO_free(s->bbio);\n s->bbio = NULL;\n }\n if (s->rbio != NULL)\n BIO_free_all(s->rbio);\n if ((s->wbio != NULL) && (s->wbio != s->rbio))\n BIO_free_all(s->wbio);\n if (s->init_buf != NULL)\n BUF_MEM_free(s->init_buf);\n if (s->cipher_list != NULL)\n sk_SSL_CIPHER_free(s->cipher_list);\n if (s->cipher_list_by_id != NULL)\n sk_SSL_CIPHER_free(s->cipher_list_by_id);\n if (s->session != NULL) {\n ssl_clear_bad_session(s);\n SSL_SESSION_free(s->session);\n }\n ssl_clear_cipher_ctx(s);\n ssl_clear_hash_ctx(&s->read_hash);\n ssl_clear_hash_ctx(&s->write_hash);\n if (s->cert != NULL)\n ssl_cert_free(s->cert);\n#ifndef OPENSSL_NO_TLSEXT\n if (s->tlsext_hostname)\n OPENSSL_free(s->tlsext_hostname);\n if (s->initial_ctx)\n SSL_CTX_free(s->initial_ctx);\n# ifndef OPENSSL_NO_EC\n if (s->tlsext_ecpointformatlist)\n OPENSSL_free(s->tlsext_ecpointformatlist);\n if (s->tlsext_ellipticcurvelist)\n OPENSSL_free(s->tlsext_ellipticcurvelist);\n# endif\n if (s->tlsext_opaque_prf_input)\n OPENSSL_free(s->tlsext_opaque_prf_input);\n if (s->tlsext_ocsp_exts)\n sk_X509_EXTENSION_pop_free(s->tlsext_ocsp_exts, X509_EXTENSION_free);\n if (s->tlsext_ocsp_ids)\n sk_OCSP_RESPID_pop_free(s->tlsext_ocsp_ids, OCSP_RESPID_free);\n if (s->tlsext_ocsp_resp)\n OPENSSL_free(s->tlsext_ocsp_resp);\n if (s->alpn_client_proto_list)\n OPENSSL_free(s->alpn_client_proto_list);\n#endif\n if (s->client_CA != NULL)\n sk_X509_NAME_pop_free(s->client_CA, X509_NAME_free);\n if (s->method != NULL)\n s->method->ssl_free(s);\n if (s->ctx)\n SSL_CTX_free(s->ctx);\n#ifndef OPENSSL_NO_KRB5\n if (s->kssl_ctx != NULL)\n kssl_ctx_free(s->kssl_ctx);\n#endif\n#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)\n if (s->next_proto_negotiated)\n OPENSSL_free(s->next_proto_negotiated);\n#endif\n#ifndef OPENSSL_NO_SRTP\n if (s->srtp_profiles)\n sk_SRTP_PROTECTION_PROFILE_free(s->srtp_profiles);\n#endif\n OPENSSL_free(s);\n}', 'void SSL_CTX_free(SSL_CTX *a)\n{\n int i;\n if (a == NULL)\n return;\n i = CRYPTO_add(&a->references, -1, CRYPTO_LOCK_SSL_CTX);\n#ifdef REF_PRINT\n REF_PRINT("SSL_CTX", a);\n#endif\n if (i > 0)\n return;\n#ifdef REF_CHECK\n if (i < 0) {\n fprintf(stderr, "SSL_CTX_free, bad reference count\\n");\n abort();\n }\n#endif\n if (a->param)\n X509_VERIFY_PARAM_free(a->param);\n if (a->sessions != NULL)\n SSL_CTX_flush_sessions(a, 0);\n CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX, a, &a->ex_data);\n if (a->sessions != NULL)\n lh_SSL_SESSION_free(a->sessions);\n if (a->cert_store != NULL)\n X509_STORE_free(a->cert_store);\n if (a->cipher_list != NULL)\n sk_SSL_CIPHER_free(a->cipher_list);\n if (a->cipher_list_by_id != NULL)\n sk_SSL_CIPHER_free(a->cipher_list_by_id);\n if (a->cert != NULL)\n ssl_cert_free(a->cert);\n if (a->client_CA != NULL)\n sk_X509_NAME_pop_free(a->client_CA, X509_NAME_free);\n if (a->extra_certs != NULL)\n sk_X509_pop_free(a->extra_certs, X509_free);\n#if 0\n if (a->comp_methods != NULL)\n sk_SSL_COMP_pop_free(a->comp_methods, SSL_COMP_free);\n#else\n a->comp_methods = NULL;\n#endif\n#ifndef OPENSSL_NO_SRTP\n if (a->srtp_profiles)\n sk_SRTP_PROTECTION_PROFILE_free(a->srtp_profiles);\n#endif\n#ifndef OPENSSL_NO_PSK\n if (a->psk_identity_hint)\n OPENSSL_free(a->psk_identity_hint);\n#endif\n#ifndef OPENSSL_NO_SRP\n SSL_CTX_SRP_CTX_free(a);\n#endif\n#ifndef OPENSSL_NO_ENGINE\n if (a->client_cert_engine)\n ENGINE_finish(a->client_cert_engine);\n#endif\n#ifndef OPENSSL_NO_BUF_FREELISTS\n if (a->wbuf_freelist)\n ssl_buf_freelist_free(a->wbuf_freelist);\n if (a->rbuf_freelist)\n ssl_buf_freelist_free(a->rbuf_freelist);\n#endif\n#ifndef OPENSSL_NO_TLSEXT\n# ifndef OPENSSL_NO_EC\n if (a->tlsext_ecpointformatlist)\n OPENSSL_free(a->tlsext_ecpointformatlist);\n if (a->tlsext_ellipticcurvelist)\n OPENSSL_free(a->tlsext_ellipticcurvelist);\n# endif\n if (a->alpn_client_proto_list != NULL)\n OPENSSL_free(a->alpn_client_proto_list);\n#endif\n OPENSSL_free(a);\n}', 'void SSL_CTX_flush_sessions(SSL_CTX *s, long t)\n{\n unsigned long i;\n TIMEOUT_PARAM tp;\n tp.ctx = s;\n tp.cache = s->sessions;\n if (tp.cache == NULL)\n return;\n tp.time = t;\n CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);\n i = CHECKED_LHASH_OF(SSL_SESSION, tp.cache)->down_load;\n CHECKED_LHASH_OF(SSL_SESSION, tp.cache)->down_load = 0;\n lh_SSL_SESSION_doall_arg(tp.cache, LHASH_DOALL_ARG_FN(timeout),\n TIMEOUT_PARAM, &tp);\n CHECKED_LHASH_OF(SSL_SESSION, tp.cache)->down_load = i;\n CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);\n}', 'void lh_doall_arg(_LHASH *lh, LHASH_DOALL_ARG_FN_TYPE func, void *arg)\n{\n doall_util_fn(lh, 1, (LHASH_DOALL_FN_TYPE)0, func, arg);\n}', 'static void doall_util_fn(_LHASH *lh, int use_arg, LHASH_DOALL_FN_TYPE func,\n LHASH_DOALL_ARG_FN_TYPE func_arg, void *arg)\n{\n int i;\n LHASH_NODE *a, *n;\n if (lh == NULL)\n return;\n for (i = lh->num_nodes - 1; i >= 0; i--) {\n a = lh->b[i];\n while (a != NULL) {\n n = a->next;\n if (use_arg)\n func_arg(a->data, arg);\n else\n func(a->data);\n a = n;\n }\n }\n}'] |
21,055 | 0 | https://github.com/libav/libav/blob/47399ccdfd93d337c96c76fbf591f0e3637131ef/libavcodec/bitstream.h/#L236 | static inline void skip_remaining(BitstreamContext *bc, unsigned n)
{
#ifdef BITSTREAM_READER_LE
bc->bits >>= n;
#else
bc->bits <<= n;
#endif
bc->bits_left -= n;
} | ['static inline int svq3_mc_dir(SVQ3Context *s, int size, int mode,\n int dir, int avg)\n{\n int i, j, k, mx, my, dx, dy, x, y;\n const int part_width = ((size & 5) == 4) ? 4 : 16 >> (size & 1);\n const int part_height = 16 >> ((unsigned)(size + 1) / 3);\n const int extra_width = (mode == PREDICT_MODE) ? -16 * 6 : 0;\n const int h_edge_pos = 6 * (s->h_edge_pos - part_width) - extra_width;\n const int v_edge_pos = 6 * (s->v_edge_pos - part_height) - extra_width;\n for (i = 0; i < 16; i += part_height)\n for (j = 0; j < 16; j += part_width) {\n const int b_xy = (4 * s->mb_x + (j >> 2)) +\n (4 * s->mb_y + (i >> 2)) * s->b_stride;\n int dxy;\n x = 16 * s->mb_x + j;\n y = 16 * s->mb_y + i;\n k = (j >> 2 & 1) + (i >> 1 & 2) +\n (j >> 1 & 4) + (i & 8);\n if (mode != PREDICT_MODE) {\n svq3_pred_motion(s, k, part_width >> 2, dir, 1, &mx, &my);\n } else {\n mx = s->next_pic->motion_val[0][b_xy][0] << 1;\n my = s->next_pic->motion_val[0][b_xy][1] << 1;\n if (dir == 0) {\n mx = mx * s->frame_num_offset /\n s->prev_frame_num_offset + 1 >> 1;\n my = my * s->frame_num_offset /\n s->prev_frame_num_offset + 1 >> 1;\n } else {\n mx = mx * (s->frame_num_offset - s->prev_frame_num_offset) /\n s->prev_frame_num_offset + 1 >> 1;\n my = my * (s->frame_num_offset - s->prev_frame_num_offset) /\n s->prev_frame_num_offset + 1 >> 1;\n }\n }\n mx = av_clip(mx, extra_width - 6 * x, h_edge_pos - 6 * x);\n my = av_clip(my, extra_width - 6 * y, v_edge_pos - 6 * y);\n if (mode == PREDICT_MODE) {\n dx = dy = 0;\n } else {\n dy = get_interleaved_se_golomb(&s->bc_slice);\n dx = get_interleaved_se_golomb(&s->bc_slice);\n if (dx == INVALID_VLC || dy == INVALID_VLC) {\n av_log(s->avctx, AV_LOG_ERROR, "invalid MV vlc\\n");\n return -1;\n }\n }\n if (mode == THIRDPEL_MODE) {\n int fx, fy;\n mx = (mx + 1 >> 1) + dx;\n my = (my + 1 >> 1) + dy;\n fx = (unsigned)(mx + 0x3000) / 3 - 0x1000;\n fy = (unsigned)(my + 0x3000) / 3 - 0x1000;\n dxy = (mx - 3 * fx) + 4 * (my - 3 * fy);\n svq3_mc_dir_part(s, x, y, part_width, part_height,\n fx, fy, dxy, 1, dir, avg);\n mx += mx;\n my += my;\n } else if (mode == HALFPEL_MODE || mode == PREDICT_MODE) {\n mx = (unsigned)(mx + 1 + 0x3000) / 3 + dx - 0x1000;\n my = (unsigned)(my + 1 + 0x3000) / 3 + dy - 0x1000;\n dxy = (mx & 1) + 2 * (my & 1);\n svq3_mc_dir_part(s, x, y, part_width, part_height,\n mx >> 1, my >> 1, dxy, 0, dir, avg);\n mx *= 3;\n my *= 3;\n } else {\n mx = (unsigned)(mx + 3 + 0x6000) / 6 + dx - 0x1000;\n my = (unsigned)(my + 3 + 0x6000) / 6 + dy - 0x1000;\n svq3_mc_dir_part(s, x, y, part_width, part_height,\n mx, my, 0, 0, dir, avg);\n mx *= 6;\n my *= 6;\n }\n if (mode != PREDICT_MODE) {\n int32_t mv = pack16to32(mx, my);\n if (part_height == 8 && i < 8) {\n AV_WN32A(s->mv_cache[dir][scan8[k] + 1 * 8], mv);\n if (part_width == 8 && j < 8)\n AV_WN32A(s->mv_cache[dir][scan8[k] + 1 + 1 * 8], mv);\n }\n if (part_width == 8 && j < 8)\n AV_WN32A(s->mv_cache[dir][scan8[k] + 1], mv);\n if (part_width == 4 || part_height == 4)\n AV_WN32A(s->mv_cache[dir][scan8[k]], mv);\n }\n fill_rectangle(s->cur_pic->motion_val[dir][b_xy],\n part_width >> 2, part_height >> 2, s->b_stride,\n pack16to32(mx, my), 4);\n }\n return 0;\n}', 'static inline int get_interleaved_se_golomb(BitstreamContext *bc)\n{\n unsigned int buf;\n buf = bitstream_peek(bc, 32);\n if (buf & 0xAA800000) {\n buf >>= 32 - 8;\n bitstream_skip(bc, ff_interleaved_golomb_vlc_len[buf]);\n return ff_interleaved_se_golomb_vlc_code[buf];\n } else {\n int log;\n bitstream_skip(bc, 8);\n buf |= 1 | bitstream_peek(bc, 24);\n if ((buf & 0xAAAAAAAA) == 0)\n return INVALID_VLC;\n for (log = 31; (buf & 0x80000000) == 0; log--)\n buf = (buf << 2) - ((buf << log) >> (log - 1)) + (buf >> 30);\n bitstream_skip(bc, 63 - 2 * log - 8);\n return (signed) (((((buf << log) >> log) - 1) ^ -(buf & 0x1)) + 1) >> 1;\n }\n}', 'static inline unsigned bitstream_peek(BitstreamContext *bc, unsigned n)\n{\n if (n > bc->bits_left)\n refill_32(bc);\n return show_val(bc, n);\n}', 'static inline void bitstream_skip(BitstreamContext *bc, unsigned n)\n{\n if (n < bc->bits_left)\n skip_remaining(bc, n);\n else {\n n -= bc->bits_left;\n bc->bits = 0;\n bc->bits_left = 0;\n if (n >= 64) {\n unsigned skip = n / 8;\n n -= skip * 8;\n bc->ptr += skip;\n }\n refill_64(bc);\n if (n)\n skip_remaining(bc, n);\n }\n}', 'static inline void skip_remaining(BitstreamContext *bc, unsigned n)\n{\n#ifdef BITSTREAM_READER_LE\n bc->bits >>= n;\n#else\n bc->bits <<= n;\n#endif\n bc->bits_left -= n;\n}'] |
21,056 | 0 | https://github.com/nginx/nginx/blob/70f7141074896fb1ff3e5fc08407ea0f64f2076b/src/core/ngx_sha1.c/#L187 | static const u_char *
ngx_sha1_body(ngx_sha1_t *ctx, const u_char *data, size_t size)
{
uint32_t a, b, c, d, e, temp;
uint32_t saved_a, saved_b, saved_c, saved_d, saved_e;
uint32_t words[80];
ngx_uint_t i;
const u_char *p;
p = data;
a = ctx->a;
b = ctx->b;
c = ctx->c;
d = ctx->d;
e = ctx->e;
do {
saved_a = a;
saved_b = b;
saved_c = c;
saved_d = d;
saved_e = e;
for (i = 0; i < 16; i++) {
words[i] = GET(i);
}
for (i = 16; i < 80; i++) {
words[i] = ROTATE(1, words[i - 3] ^ words[i - 8] ^ words[i - 14]
^ words[i - 16]);
}
STEP(F1, a, b, c, d, e, words[0], 0x5a827999);
STEP(F1, a, b, c, d, e, words[1], 0x5a827999);
STEP(F1, a, b, c, d, e, words[2], 0x5a827999);
STEP(F1, a, b, c, d, e, words[3], 0x5a827999);
STEP(F1, a, b, c, d, e, words[4], 0x5a827999);
STEP(F1, a, b, c, d, e, words[5], 0x5a827999);
STEP(F1, a, b, c, d, e, words[6], 0x5a827999);
STEP(F1, a, b, c, d, e, words[7], 0x5a827999);
STEP(F1, a, b, c, d, e, words[8], 0x5a827999);
STEP(F1, a, b, c, d, e, words[9], 0x5a827999);
STEP(F1, a, b, c, d, e, words[10], 0x5a827999);
STEP(F1, a, b, c, d, e, words[11], 0x5a827999);
STEP(F1, a, b, c, d, e, words[12], 0x5a827999);
STEP(F1, a, b, c, d, e, words[13], 0x5a827999);
STEP(F1, a, b, c, d, e, words[14], 0x5a827999);
STEP(F1, a, b, c, d, e, words[15], 0x5a827999);
STEP(F1, a, b, c, d, e, words[16], 0x5a827999);
STEP(F1, a, b, c, d, e, words[17], 0x5a827999);
STEP(F1, a, b, c, d, e, words[18], 0x5a827999);
STEP(F1, a, b, c, d, e, words[19], 0x5a827999);
STEP(F2, a, b, c, d, e, words[20], 0x6ed9eba1);
STEP(F2, a, b, c, d, e, words[21], 0x6ed9eba1);
STEP(F2, a, b, c, d, e, words[22], 0x6ed9eba1);
STEP(F2, a, b, c, d, e, words[23], 0x6ed9eba1);
STEP(F2, a, b, c, d, e, words[24], 0x6ed9eba1);
STEP(F2, a, b, c, d, e, words[25], 0x6ed9eba1);
STEP(F2, a, b, c, d, e, words[26], 0x6ed9eba1);
STEP(F2, a, b, c, d, e, words[27], 0x6ed9eba1);
STEP(F2, a, b, c, d, e, words[28], 0x6ed9eba1);
STEP(F2, a, b, c, d, e, words[29], 0x6ed9eba1);
STEP(F2, a, b, c, d, e, words[30], 0x6ed9eba1);
STEP(F2, a, b, c, d, e, words[31], 0x6ed9eba1);
STEP(F2, a, b, c, d, e, words[32], 0x6ed9eba1);
STEP(F2, a, b, c, d, e, words[33], 0x6ed9eba1);
STEP(F2, a, b, c, d, e, words[34], 0x6ed9eba1);
STEP(F2, a, b, c, d, e, words[35], 0x6ed9eba1);
STEP(F2, a, b, c, d, e, words[36], 0x6ed9eba1);
STEP(F2, a, b, c, d, e, words[37], 0x6ed9eba1);
STEP(F2, a, b, c, d, e, words[38], 0x6ed9eba1);
STEP(F2, a, b, c, d, e, words[39], 0x6ed9eba1);
STEP(F3, a, b, c, d, e, words[40], 0x8f1bbcdc);
STEP(F3, a, b, c, d, e, words[41], 0x8f1bbcdc);
STEP(F3, a, b, c, d, e, words[42], 0x8f1bbcdc);
STEP(F3, a, b, c, d, e, words[43], 0x8f1bbcdc);
STEP(F3, a, b, c, d, e, words[44], 0x8f1bbcdc);
STEP(F3, a, b, c, d, e, words[45], 0x8f1bbcdc);
STEP(F3, a, b, c, d, e, words[46], 0x8f1bbcdc);
STEP(F3, a, b, c, d, e, words[47], 0x8f1bbcdc);
STEP(F3, a, b, c, d, e, words[48], 0x8f1bbcdc);
STEP(F3, a, b, c, d, e, words[49], 0x8f1bbcdc);
STEP(F3, a, b, c, d, e, words[50], 0x8f1bbcdc);
STEP(F3, a, b, c, d, e, words[51], 0x8f1bbcdc);
STEP(F3, a, b, c, d, e, words[52], 0x8f1bbcdc);
STEP(F3, a, b, c, d, e, words[53], 0x8f1bbcdc);
STEP(F3, a, b, c, d, e, words[54], 0x8f1bbcdc);
STEP(F3, a, b, c, d, e, words[55], 0x8f1bbcdc);
STEP(F3, a, b, c, d, e, words[56], 0x8f1bbcdc);
STEP(F3, a, b, c, d, e, words[57], 0x8f1bbcdc);
STEP(F3, a, b, c, d, e, words[58], 0x8f1bbcdc);
STEP(F3, a, b, c, d, e, words[59], 0x8f1bbcdc);
STEP(F2, a, b, c, d, e, words[60], 0xca62c1d6);
STEP(F2, a, b, c, d, e, words[61], 0xca62c1d6);
STEP(F2, a, b, c, d, e, words[62], 0xca62c1d6);
STEP(F2, a, b, c, d, e, words[63], 0xca62c1d6);
STEP(F2, a, b, c, d, e, words[64], 0xca62c1d6);
STEP(F2, a, b, c, d, e, words[65], 0xca62c1d6);
STEP(F2, a, b, c, d, e, words[66], 0xca62c1d6);
STEP(F2, a, b, c, d, e, words[67], 0xca62c1d6);
STEP(F2, a, b, c, d, e, words[68], 0xca62c1d6);
STEP(F2, a, b, c, d, e, words[69], 0xca62c1d6);
STEP(F2, a, b, c, d, e, words[70], 0xca62c1d6);
STEP(F2, a, b, c, d, e, words[71], 0xca62c1d6);
STEP(F2, a, b, c, d, e, words[72], 0xca62c1d6);
STEP(F2, a, b, c, d, e, words[73], 0xca62c1d6);
STEP(F2, a, b, c, d, e, words[74], 0xca62c1d6);
STEP(F2, a, b, c, d, e, words[75], 0xca62c1d6);
STEP(F2, a, b, c, d, e, words[76], 0xca62c1d6);
STEP(F2, a, b, c, d, e, words[77], 0xca62c1d6);
STEP(F2, a, b, c, d, e, words[78], 0xca62c1d6);
STEP(F2, a, b, c, d, e, words[79], 0xca62c1d6);
a += saved_a;
b += saved_b;
c += saved_c;
d += saved_d;
e += saved_e;
p += 64;
} while (size -= 64);
ctx->a = a;
ctx->b = b;
ctx->c = c;
ctx->d = d;
ctx->e = e;
return p;
} | ['static const u_char *\nngx_sha1_body(ngx_sha1_t *ctx, const u_char *data, size_t size)\n{\n uint32_t a, b, c, d, e, temp;\n uint32_t saved_a, saved_b, saved_c, saved_d, saved_e;\n uint32_t words[80];\n ngx_uint_t i;\n const u_char *p;\n p = data;\n a = ctx->a;\n b = ctx->b;\n c = ctx->c;\n d = ctx->d;\n e = ctx->e;\n do {\n saved_a = a;\n saved_b = b;\n saved_c = c;\n saved_d = d;\n saved_e = e;\n for (i = 0; i < 16; i++) {\n words[i] = GET(i);\n }\n for (i = 16; i < 80; i++) {\n words[i] = ROTATE(1, words[i - 3] ^ words[i - 8] ^ words[i - 14]\n ^ words[i - 16]);\n }\n STEP(F1, a, b, c, d, e, words[0], 0x5a827999);\n STEP(F1, a, b, c, d, e, words[1], 0x5a827999);\n STEP(F1, a, b, c, d, e, words[2], 0x5a827999);\n STEP(F1, a, b, c, d, e, words[3], 0x5a827999);\n STEP(F1, a, b, c, d, e, words[4], 0x5a827999);\n STEP(F1, a, b, c, d, e, words[5], 0x5a827999);\n STEP(F1, a, b, c, d, e, words[6], 0x5a827999);\n STEP(F1, a, b, c, d, e, words[7], 0x5a827999);\n STEP(F1, a, b, c, d, e, words[8], 0x5a827999);\n STEP(F1, a, b, c, d, e, words[9], 0x5a827999);\n STEP(F1, a, b, c, d, e, words[10], 0x5a827999);\n STEP(F1, a, b, c, d, e, words[11], 0x5a827999);\n STEP(F1, a, b, c, d, e, words[12], 0x5a827999);\n STEP(F1, a, b, c, d, e, words[13], 0x5a827999);\n STEP(F1, a, b, c, d, e, words[14], 0x5a827999);\n STEP(F1, a, b, c, d, e, words[15], 0x5a827999);\n STEP(F1, a, b, c, d, e, words[16], 0x5a827999);\n STEP(F1, a, b, c, d, e, words[17], 0x5a827999);\n STEP(F1, a, b, c, d, e, words[18], 0x5a827999);\n STEP(F1, a, b, c, d, e, words[19], 0x5a827999);\n STEP(F2, a, b, c, d, e, words[20], 0x6ed9eba1);\n STEP(F2, a, b, c, d, e, words[21], 0x6ed9eba1);\n STEP(F2, a, b, c, d, e, words[22], 0x6ed9eba1);\n STEP(F2, a, b, c, d, e, words[23], 0x6ed9eba1);\n STEP(F2, a, b, c, d, e, words[24], 0x6ed9eba1);\n STEP(F2, a, b, c, d, e, words[25], 0x6ed9eba1);\n STEP(F2, a, b, c, d, e, words[26], 0x6ed9eba1);\n STEP(F2, a, b, c, d, e, words[27], 0x6ed9eba1);\n STEP(F2, a, b, c, d, e, words[28], 0x6ed9eba1);\n STEP(F2, a, b, c, d, e, words[29], 0x6ed9eba1);\n STEP(F2, a, b, c, d, e, words[30], 0x6ed9eba1);\n STEP(F2, a, b, c, d, e, words[31], 0x6ed9eba1);\n STEP(F2, a, b, c, d, e, words[32], 0x6ed9eba1);\n STEP(F2, a, b, c, d, e, words[33], 0x6ed9eba1);\n STEP(F2, a, b, c, d, e, words[34], 0x6ed9eba1);\n STEP(F2, a, b, c, d, e, words[35], 0x6ed9eba1);\n STEP(F2, a, b, c, d, e, words[36], 0x6ed9eba1);\n STEP(F2, a, b, c, d, e, words[37], 0x6ed9eba1);\n STEP(F2, a, b, c, d, e, words[38], 0x6ed9eba1);\n STEP(F2, a, b, c, d, e, words[39], 0x6ed9eba1);\n STEP(F3, a, b, c, d, e, words[40], 0x8f1bbcdc);\n STEP(F3, a, b, c, d, e, words[41], 0x8f1bbcdc);\n STEP(F3, a, b, c, d, e, words[42], 0x8f1bbcdc);\n STEP(F3, a, b, c, d, e, words[43], 0x8f1bbcdc);\n STEP(F3, a, b, c, d, e, words[44], 0x8f1bbcdc);\n STEP(F3, a, b, c, d, e, words[45], 0x8f1bbcdc);\n STEP(F3, a, b, c, d, e, words[46], 0x8f1bbcdc);\n STEP(F3, a, b, c, d, e, words[47], 0x8f1bbcdc);\n STEP(F3, a, b, c, d, e, words[48], 0x8f1bbcdc);\n STEP(F3, a, b, c, d, e, words[49], 0x8f1bbcdc);\n STEP(F3, a, b, c, d, e, words[50], 0x8f1bbcdc);\n STEP(F3, a, b, c, d, e, words[51], 0x8f1bbcdc);\n STEP(F3, a, b, c, d, e, words[52], 0x8f1bbcdc);\n STEP(F3, a, b, c, d, e, words[53], 0x8f1bbcdc);\n STEP(F3, a, b, c, d, e, words[54], 0x8f1bbcdc);\n STEP(F3, a, b, c, d, e, words[55], 0x8f1bbcdc);\n STEP(F3, a, b, c, d, e, words[56], 0x8f1bbcdc);\n STEP(F3, a, b, c, d, e, words[57], 0x8f1bbcdc);\n STEP(F3, a, b, c, d, e, words[58], 0x8f1bbcdc);\n STEP(F3, a, b, c, d, e, words[59], 0x8f1bbcdc);\n STEP(F2, a, b, c, d, e, words[60], 0xca62c1d6);\n STEP(F2, a, b, c, d, e, words[61], 0xca62c1d6);\n STEP(F2, a, b, c, d, e, words[62], 0xca62c1d6);\n STEP(F2, a, b, c, d, e, words[63], 0xca62c1d6);\n STEP(F2, a, b, c, d, e, words[64], 0xca62c1d6);\n STEP(F2, a, b, c, d, e, words[65], 0xca62c1d6);\n STEP(F2, a, b, c, d, e, words[66], 0xca62c1d6);\n STEP(F2, a, b, c, d, e, words[67], 0xca62c1d6);\n STEP(F2, a, b, c, d, e, words[68], 0xca62c1d6);\n STEP(F2, a, b, c, d, e, words[69], 0xca62c1d6);\n STEP(F2, a, b, c, d, e, words[70], 0xca62c1d6);\n STEP(F2, a, b, c, d, e, words[71], 0xca62c1d6);\n STEP(F2, a, b, c, d, e, words[72], 0xca62c1d6);\n STEP(F2, a, b, c, d, e, words[73], 0xca62c1d6);\n STEP(F2, a, b, c, d, e, words[74], 0xca62c1d6);\n STEP(F2, a, b, c, d, e, words[75], 0xca62c1d6);\n STEP(F2, a, b, c, d, e, words[76], 0xca62c1d6);\n STEP(F2, a, b, c, d, e, words[77], 0xca62c1d6);\n STEP(F2, a, b, c, d, e, words[78], 0xca62c1d6);\n STEP(F2, a, b, c, d, e, words[79], 0xca62c1d6);\n a += saved_a;\n b += saved_b;\n c += saved_c;\n d += saved_d;\n e += saved_e;\n p += 64;\n } while (size -= 64);\n ctx->a = a;\n ctx->b = b;\n ctx->c = c;\n ctx->d = d;\n ctx->e = e;\n return p;\n}'] |
21,057 | 0 | https://github.com/nginx/nginx/blob/e4ecddfdb0d2ffc872658e36028971ad9a873726/src/core/ngx_string.c/#L244 | u_char *
ngx_vsnprintf(u_char *buf, size_t max, const char *fmt, va_list args)
{
u_char *p, zero, *last;
int d;
float f, scale;
size_t len, slen;
int64_t i64;
uint64_t ui64;
ngx_msec_t ms;
ngx_uint_t width, sign, hex, max_width, frac_width, i;
ngx_str_t *v;
ngx_variable_value_t *vv;
if (max == 0) {
return buf;
}
last = buf + max;
while (*fmt && buf < last) {
if (*fmt == '%') {
i64 = 0;
ui64 = 0;
zero = (u_char) ((*++fmt == '0') ? '0' : ' ');
width = 0;
sign = 1;
hex = 0;
max_width = 0;
frac_width = 0;
slen = (size_t) -1;
while (*fmt >= '0' && *fmt <= '9') {
width = width * 10 + *fmt++ - '0';
}
for ( ;; ) {
switch (*fmt) {
case 'u':
sign = 0;
fmt++;
continue;
case 'm':
max_width = 1;
fmt++;
continue;
case 'X':
hex = 2;
sign = 0;
fmt++;
continue;
case 'x':
hex = 1;
sign = 0;
fmt++;
continue;
case '.':
fmt++;
while (*fmt >= '0' && *fmt <= '9') {
frac_width = frac_width * 10 + *fmt++ - '0';
}
break;
case '*':
slen = va_arg(args, size_t);
fmt++;
continue;
default:
break;
}
break;
}
switch (*fmt) {
case 'V':
v = va_arg(args, ngx_str_t *);
len = v->len;
len = (buf + len < last) ? len : (size_t) (last - buf);
buf = ngx_cpymem(buf, v->data, len);
fmt++;
continue;
case 'v':
vv = va_arg(args, ngx_variable_value_t *);
len = vv->len;
len = (buf + len < last) ? len : (size_t) (last - buf);
buf = ngx_cpymem(buf, vv->data, len);
fmt++;
continue;
case 's':
p = va_arg(args, u_char *);
if (slen == (size_t) -1) {
while (*p && buf < last) {
*buf++ = *p++;
}
} else {
len = (buf + slen < last) ? slen : (size_t) (last - buf);
buf = ngx_cpymem(buf, p, len);
}
fmt++;
continue;
case 'O':
i64 = (int64_t) va_arg(args, off_t);
sign = 1;
break;
case 'P':
i64 = (int64_t) va_arg(args, ngx_pid_t);
sign = 1;
break;
case 'T':
i64 = (int64_t) va_arg(args, time_t);
sign = 1;
break;
case 'M':
ms = (ngx_msec_t) va_arg(args, ngx_msec_t);
if ((ngx_msec_int_t) ms == -1) {
sign = 1;
i64 = -1;
} else {
sign = 0;
ui64 = (uint64_t) ms;
}
break;
case 'z':
if (sign) {
i64 = (int64_t) va_arg(args, ssize_t);
} else {
ui64 = (uint64_t) va_arg(args, size_t);
}
break;
case 'i':
if (sign) {
i64 = (int64_t) va_arg(args, ngx_int_t);
} else {
ui64 = (uint64_t) va_arg(args, ngx_uint_t);
}
if (max_width) {
width = NGX_INT_T_LEN;
}
break;
case 'd':
if (sign) {
i64 = (int64_t) va_arg(args, int);
} else {
ui64 = (uint64_t) va_arg(args, u_int);
}
break;
case 'l':
if (sign) {
i64 = (int64_t) va_arg(args, long);
} else {
ui64 = (uint64_t) va_arg(args, u_long);
}
break;
case 'D':
if (sign) {
i64 = (int64_t) va_arg(args, int32_t);
} else {
ui64 = (uint64_t) va_arg(args, uint32_t);
}
break;
case 'L':
if (sign) {
i64 = va_arg(args, int64_t);
} else {
ui64 = va_arg(args, uint64_t);
}
break;
case 'A':
if (sign) {
i64 = (int64_t) va_arg(args, ngx_atomic_int_t);
} else {
ui64 = (uint64_t) va_arg(args, ngx_atomic_uint_t);
}
if (max_width) {
width = NGX_ATOMIC_T_LEN;
}
break;
case 'f':
f = (float) va_arg(args, double);
if (f < 0) {
*buf++ = '-';
f = -f;
}
ui64 = (int64_t) f;
buf = ngx_sprintf_num(buf, last, ui64, zero, 0, width);
if (frac_width) {
if (buf < last) {
*buf++ = '.';
}
scale = 1.0;
for (i = 0; i < frac_width; i++) {
scale *= 10.0;
}
ui64 = (uint64_t) ((f - (int64_t) ui64) * scale);
buf = ngx_sprintf_num(buf, last, ui64, '0', 0, frac_width);
}
fmt++;
continue;
#if !(NGX_WIN32)
case 'r':
i64 = (int64_t) va_arg(args, rlim_t);
sign = 1;
break;
#endif
case 'p':
ui64 = (uintptr_t) va_arg(args, void *);
hex = 2;
sign = 0;
zero = '0';
width = NGX_PTR_SIZE * 2;
break;
case 'c':
d = va_arg(args, int);
*buf++ = (u_char) (d & 0xff);
fmt++;
continue;
case 'Z':
*buf++ = '\0';
fmt++;
continue;
case 'N':
#if (NGX_WIN32)
*buf++ = CR;
#endif
*buf++ = LF;
fmt++;
continue;
case '%':
*buf++ = '%';
fmt++;
continue;
default:
*buf++ = *fmt++;
continue;
}
if (sign) {
if (i64 < 0) {
*buf++ = '-';
ui64 = (uint64_t) -i64;
} else {
ui64 = (uint64_t) i64;
}
}
buf = ngx_sprintf_num(buf, last, ui64, zero, hex, width);
fmt++;
} else {
*buf++ = *fmt++;
}
}
return buf;
} | ['static void\nngx_resolver_process_a(ngx_resolver_t *r, u_char *buf, size_t last,\n ngx_uint_t ident, ngx_uint_t code, ngx_uint_t nan, ngx_uint_t ans)\n{\n char *err;\n u_char *cname;\n size_t len;\n uint32_t hash;\n in_addr_t addr, *addrs;\n ngx_str_t name;\n ngx_uint_t qtype, qident, naddrs, a, i, n, start;\n ngx_resolver_an_t *an;\n ngx_resolver_ctx_t *ctx, *next;\n ngx_resolver_node_t *rn;\n if (ngx_resolver_copy(r, &name, buf, &buf[12], &buf[last]) != NGX_OK) {\n return;\n }\n ngx_log_debug1(NGX_LOG_DEBUG_CORE, r->log, 0, "resolver qs:%V", &name);\n hash = ngx_crc32_short(name.data, name.len);\n rn = ngx_resolver_lookup_name(r, &name, hash);\n if (rn == NULL || rn->query == NULL) {\n ngx_log_error(r->log_level, r->log, 0,\n "unexpected response for %V", &name);\n goto failed;\n }\n qident = (rn->query[0] << 8) + rn->query[1];\n if (ident != qident) {\n ngx_log_error(r->log_level, r->log, 0,\n "wrong ident %ui response for %V, expect %ui",\n ident, &name, qident);\n goto failed;\n }\n if (code == 0 && nan == 0) {\n code = 3;\n }\n if (code) {\n next = rn->waiting;\n rn->waiting = NULL;\n ngx_queue_remove(&rn->queue);\n ngx_rbtree_delete(&r->name_rbtree, &rn->node);\n ngx_resolver_free_node(r, rn);\n while (next) {\n ctx = next;\n ctx->state = code;\n next = ctx->next;\n ctx->handler(ctx);\n }\n return;\n }\n i = ans;\n naddrs = 0;\n addr = 0;\n addrs = NULL;\n cname = NULL;\n qtype = 0;\n for (a = 0; a < nan; a++) {\n start = i;\n while (i < last) {\n if (buf[i] & 0xc0) {\n i += 2;\n goto found;\n }\n if (buf[i] == 0) {\n i++;\n goto test_length;\n }\n i += 1 + buf[i];\n }\n goto short_response;\n test_length:\n if (i - start < 2) {\n err = "invalid name in dns response";\n goto invalid;\n }\n found:\n if (i + sizeof(ngx_resolver_an_t) >= last) {\n goto short_response;\n }\n an = (ngx_resolver_an_t *) &buf[i];\n qtype = (an->type_hi << 8) + an->type_lo;\n len = (an->len_hi << 8) + an->len_lo;\n if (qtype == NGX_RESOLVE_A) {\n i += sizeof(ngx_resolver_an_t);\n if (i + len > last) {\n goto short_response;\n }\n addr = htonl((buf[i] << 24) + (buf[i + 1] << 16)\n + (buf[i + 2] << 8) + (buf[i + 3]));\n naddrs++;\n i += len;\n } else if (qtype == NGX_RESOLVE_CNAME) {\n cname = &buf[i] + sizeof(ngx_resolver_an_t);\n i += sizeof(ngx_resolver_an_t) + len;\n } else if (qtype == NGX_RESOLVE_DNAME) {\n i += sizeof(ngx_resolver_an_t) + len;\n } else {\n ngx_log_error(r->log_level, r->log, 0,\n "unexpected qtype %ui", qtype);\n }\n }\n ngx_log_debug2(NGX_LOG_DEBUG_CORE, r->log, 0,\n "resolver naddrs:%ui cname:%p", naddrs, cname);\n if (naddrs) {\n if (naddrs == 1) {\n rn->u.addr = addr;\n } else {\n addrs = ngx_resolver_alloc(r, naddrs * sizeof(in_addr_t));\n if (addrs == NULL) {\n return;\n }\n n = 0;\n i = ans;\n for (a = 0; a < nan; a++) {\n for ( ;; ) {\n if (buf[i] & 0xc0) {\n i += 2;\n goto ok;\n }\n if (buf[i] == 0) {\n i++;\n goto ok;\n }\n i += 1 + buf[i];\n }\n ok:\n an = (ngx_resolver_an_t *) &buf[i];\n qtype = (an->type_hi << 8) + an->type_lo;\n len = (an->len_hi << 8) + an->len_lo;\n i += sizeof(ngx_resolver_an_t);\n if (qtype == NGX_RESOLVE_A) {\n addrs[n++] = htonl((buf[i] << 24) + (buf[i + 1] << 16)\n + (buf[i + 2] << 8) + (buf[i + 3]));\n if (n == naddrs) {\n break;\n }\n }\n i += len;\n }\n rn->u.addrs = addrs;\n addrs = ngx_resolver_dup(r, rn->u.addrs,\n naddrs * sizeof(in_addr_t));\n if (addrs == NULL) {\n return;\n }\n }\n rn->naddrs = (u_short) naddrs;\n ngx_queue_remove(&rn->queue);\n rn->valid = ngx_time() + r->valid;\n rn->expire = ngx_time() + r->expire;\n ngx_queue_insert_head(&r->name_expire_queue, &rn->queue);\n next = rn->waiting;\n rn->waiting = NULL;\n while (next) {\n ctx = next;\n ctx->state = NGX_OK;\n ctx->naddrs = naddrs;\n ctx->addrs = (naddrs == 1) ? &ctx->addr : addrs;\n ctx->addr = addr;\n next = ctx->next;\n ctx->handler(ctx);\n }\n if (naddrs > 1) {\n ngx_resolver_free(r, addrs);\n }\n return;\n } else if (cname) {\n if (ngx_resolver_copy(r, &name, buf, cname, &buf[last]) != NGX_OK) {\n return;\n }\n ngx_log_debug1(NGX_LOG_DEBUG_CORE, r->log, 0,\n "resolver cname:\\"%V\\"", &name);\n ngx_queue_remove(&rn->queue);\n rn->cnlen = (u_short) name.len;\n rn->u.cname = name.data;\n rn->valid = ngx_time() + r->valid;\n rn->expire = ngx_time() + r->expire;\n ngx_queue_insert_head(&r->name_expire_queue, &rn->queue);\n ctx = rn->waiting;\n rn->waiting = NULL;\n if (ctx) {\n ctx->name = name;\n (void) ngx_resolve_name_locked(r, ctx);\n }\n return;\n }\n ngx_log_error(r->log_level, r->log, 0,\n "no A or CNAME types in DNS responses, unknown query type: %ui",\n qtype);\n return;\nshort_response:\n err = "short dns response";\ninvalid:\n ngx_log_error(r->log_level, r->log, 0, err);\n return;\nfailed:\n return;\n}', 'void\nngx_log_error_core(ngx_uint_t level, ngx_log_t *log, ngx_err_t err,\n const char *fmt, ...)\n#else\nvoid\nngx_log_error_core(ngx_uint_t level, ngx_log_t *log, ngx_err_t err,\n const char *fmt, va_list args)\n#endif\n{\n#if (NGX_HAVE_VARIADIC_MACROS)\n va_list args;\n#endif\n u_char errstr[NGX_MAX_ERROR_STR], *p, *last;\n if (log->file->fd == NGX_INVALID_FILE) {\n return;\n }\n last = errstr + NGX_MAX_ERROR_STR;\n ngx_memcpy(errstr, ngx_cached_err_log_time.data,\n ngx_cached_err_log_time.len);\n p = errstr + ngx_cached_err_log_time.len;\n p = ngx_snprintf(p, last - p, " [%s] ", err_levels[level]);\n p = ngx_snprintf(p, last - p, "%P#" NGX_TID_T_FMT ": ",\n ngx_log_pid, ngx_log_tid);\n if (log->connection) {\n p = ngx_snprintf(p, last - p, "*%uA ", log->connection);\n }\n#if (NGX_HAVE_VARIADIC_MACROS)\n va_start(args, fmt);\n p = ngx_vsnprintf(p, last - p, fmt, args);\n va_end(args);\n#else\n p = ngx_vsnprintf(p, last - p, fmt, args);\n#endif\n if (err) {\n if (p > last - 50) {\n p = last - 50;\n *p++ = \'.\';\n *p++ = \'.\';\n *p++ = \'.\';\n }\n#if (NGX_WIN32)\n p = ngx_snprintf(p, last - p, ((unsigned) err < 0x80000000)\n ? " (%d: " : " (%Xd: ", err);\n#else\n p = ngx_snprintf(p, last - p, " (%d: ", err);\n#endif\n p = ngx_strerror_r(err, p, last - p);\n if (p < last) {\n *p++ = \')\';\n }\n }\n if (level != NGX_LOG_DEBUG && log->handler) {\n p = log->handler(log, p, last - p);\n }\n if (p > last - NGX_LINEFEED_SIZE) {\n p = last - NGX_LINEFEED_SIZE;\n }\n ngx_linefeed(p);\n (void) ngx_write_fd(log->file->fd, errstr, p - errstr);\n}', 'u_char * ngx_cdecl\nngx_snprintf(u_char *buf, size_t max, const char *fmt, ...)\n{\n u_char *p;\n va_list args;\n va_start(args, fmt);\n p = ngx_vsnprintf(buf, max, fmt, args);\n va_end(args);\n return p;\n}', "u_char *\nngx_vsnprintf(u_char *buf, size_t max, const char *fmt, va_list args)\n{\n u_char *p, zero, *last;\n int d;\n float f, scale;\n size_t len, slen;\n int64_t i64;\n uint64_t ui64;\n ngx_msec_t ms;\n ngx_uint_t width, sign, hex, max_width, frac_width, i;\n ngx_str_t *v;\n ngx_variable_value_t *vv;\n if (max == 0) {\n return buf;\n }\n last = buf + max;\n while (*fmt && buf < last) {\n if (*fmt == '%') {\n i64 = 0;\n ui64 = 0;\n zero = (u_char) ((*++fmt == '0') ? '0' : ' ');\n width = 0;\n sign = 1;\n hex = 0;\n max_width = 0;\n frac_width = 0;\n slen = (size_t) -1;\n while (*fmt >= '0' && *fmt <= '9') {\n width = width * 10 + *fmt++ - '0';\n }\n for ( ;; ) {\n switch (*fmt) {\n case 'u':\n sign = 0;\n fmt++;\n continue;\n case 'm':\n max_width = 1;\n fmt++;\n continue;\n case 'X':\n hex = 2;\n sign = 0;\n fmt++;\n continue;\n case 'x':\n hex = 1;\n sign = 0;\n fmt++;\n continue;\n case '.':\n fmt++;\n while (*fmt >= '0' && *fmt <= '9') {\n frac_width = frac_width * 10 + *fmt++ - '0';\n }\n break;\n case '*':\n slen = va_arg(args, size_t);\n fmt++;\n continue;\n default:\n break;\n }\n break;\n }\n switch (*fmt) {\n case 'V':\n v = va_arg(args, ngx_str_t *);\n len = v->len;\n len = (buf + len < last) ? len : (size_t) (last - buf);\n buf = ngx_cpymem(buf, v->data, len);\n fmt++;\n continue;\n case 'v':\n vv = va_arg(args, ngx_variable_value_t *);\n len = vv->len;\n len = (buf + len < last) ? len : (size_t) (last - buf);\n buf = ngx_cpymem(buf, vv->data, len);\n fmt++;\n continue;\n case 's':\n p = va_arg(args, u_char *);\n if (slen == (size_t) -1) {\n while (*p && buf < last) {\n *buf++ = *p++;\n }\n } else {\n len = (buf + slen < last) ? slen : (size_t) (last - buf);\n buf = ngx_cpymem(buf, p, len);\n }\n fmt++;\n continue;\n case 'O':\n i64 = (int64_t) va_arg(args, off_t);\n sign = 1;\n break;\n case 'P':\n i64 = (int64_t) va_arg(args, ngx_pid_t);\n sign = 1;\n break;\n case 'T':\n i64 = (int64_t) va_arg(args, time_t);\n sign = 1;\n break;\n case 'M':\n ms = (ngx_msec_t) va_arg(args, ngx_msec_t);\n if ((ngx_msec_int_t) ms == -1) {\n sign = 1;\n i64 = -1;\n } else {\n sign = 0;\n ui64 = (uint64_t) ms;\n }\n break;\n case 'z':\n if (sign) {\n i64 = (int64_t) va_arg(args, ssize_t);\n } else {\n ui64 = (uint64_t) va_arg(args, size_t);\n }\n break;\n case 'i':\n if (sign) {\n i64 = (int64_t) va_arg(args, ngx_int_t);\n } else {\n ui64 = (uint64_t) va_arg(args, ngx_uint_t);\n }\n if (max_width) {\n width = NGX_INT_T_LEN;\n }\n break;\n case 'd':\n if (sign) {\n i64 = (int64_t) va_arg(args, int);\n } else {\n ui64 = (uint64_t) va_arg(args, u_int);\n }\n break;\n case 'l':\n if (sign) {\n i64 = (int64_t) va_arg(args, long);\n } else {\n ui64 = (uint64_t) va_arg(args, u_long);\n }\n break;\n case 'D':\n if (sign) {\n i64 = (int64_t) va_arg(args, int32_t);\n } else {\n ui64 = (uint64_t) va_arg(args, uint32_t);\n }\n break;\n case 'L':\n if (sign) {\n i64 = va_arg(args, int64_t);\n } else {\n ui64 = va_arg(args, uint64_t);\n }\n break;\n case 'A':\n if (sign) {\n i64 = (int64_t) va_arg(args, ngx_atomic_int_t);\n } else {\n ui64 = (uint64_t) va_arg(args, ngx_atomic_uint_t);\n }\n if (max_width) {\n width = NGX_ATOMIC_T_LEN;\n }\n break;\n case 'f':\n f = (float) va_arg(args, double);\n if (f < 0) {\n *buf++ = '-';\n f = -f;\n }\n ui64 = (int64_t) f;\n buf = ngx_sprintf_num(buf, last, ui64, zero, 0, width);\n if (frac_width) {\n if (buf < last) {\n *buf++ = '.';\n }\n scale = 1.0;\n for (i = 0; i < frac_width; i++) {\n scale *= 10.0;\n }\n ui64 = (uint64_t) ((f - (int64_t) ui64) * scale);\n buf = ngx_sprintf_num(buf, last, ui64, '0', 0, frac_width);\n }\n fmt++;\n continue;\n#if !(NGX_WIN32)\n case 'r':\n i64 = (int64_t) va_arg(args, rlim_t);\n sign = 1;\n break;\n#endif\n case 'p':\n ui64 = (uintptr_t) va_arg(args, void *);\n hex = 2;\n sign = 0;\n zero = '0';\n width = NGX_PTR_SIZE * 2;\n break;\n case 'c':\n d = va_arg(args, int);\n *buf++ = (u_char) (d & 0xff);\n fmt++;\n continue;\n case 'Z':\n *buf++ = '\\0';\n fmt++;\n continue;\n case 'N':\n#if (NGX_WIN32)\n *buf++ = CR;\n#endif\n *buf++ = LF;\n fmt++;\n continue;\n case '%':\n *buf++ = '%';\n fmt++;\n continue;\n default:\n *buf++ = *fmt++;\n continue;\n }\n if (sign) {\n if (i64 < 0) {\n *buf++ = '-';\n ui64 = (uint64_t) -i64;\n } else {\n ui64 = (uint64_t) i64;\n }\n }\n buf = ngx_sprintf_num(buf, last, ui64, zero, hex, width);\n fmt++;\n } else {\n *buf++ = *fmt++;\n }\n }\n return buf;\n}"] |
21,058 | 0 | https://github.com/libav/libav/blob/750f5034cf4d0dbe54aed917972f9c3f7a2cebbd/libavformat/oggparsespeex.c/#L62 | static int speex_header(AVFormatContext *s, int idx) {
struct ogg *ogg = s->priv_data;
struct ogg_stream *os = ogg->streams + idx;
AVStream *st = s->streams[idx];
uint8_t *p = os->buf + os->pstart;
if (os->seq > 1)
return 0;
if (os->seq == 0) {
int frames_per_packet;
st->codec->codec_type = CODEC_TYPE_AUDIO;
st->codec->codec_id = CODEC_ID_SPEEX;
st->codec->sample_rate = AV_RL32(p + 36);
st->codec->channels = AV_RL32(p + 48);
st->codec->frame_size = AV_RL32(p + 56);
frames_per_packet = AV_RL32(p + 64);
if (frames_per_packet)
st->codec->frame_size *= frames_per_packet;
st->codec->extradata_size = os->psize;
st->codec->extradata = av_malloc(st->codec->extradata_size
+ FF_INPUT_BUFFER_PADDING_SIZE);
memcpy(st->codec->extradata, p, st->codec->extradata_size);
st->time_base.num = 1;
st->time_base.den = st->codec->sample_rate;
} else
vorbis_comment(s, p, os->psize);
return 1;
} | ['static int speex_header(AVFormatContext *s, int idx) {\n struct ogg *ogg = s->priv_data;\n struct ogg_stream *os = ogg->streams + idx;\n AVStream *st = s->streams[idx];\n uint8_t *p = os->buf + os->pstart;\n if (os->seq > 1)\n return 0;\n if (os->seq == 0) {\n int frames_per_packet;\n st->codec->codec_type = CODEC_TYPE_AUDIO;\n st->codec->codec_id = CODEC_ID_SPEEX;\n st->codec->sample_rate = AV_RL32(p + 36);\n st->codec->channels = AV_RL32(p + 48);\n st->codec->frame_size = AV_RL32(p + 56);\n frames_per_packet = AV_RL32(p + 64);\n if (frames_per_packet)\n st->codec->frame_size *= frames_per_packet;\n st->codec->extradata_size = os->psize;\n st->codec->extradata = av_malloc(st->codec->extradata_size\n + FF_INPUT_BUFFER_PADDING_SIZE);\n memcpy(st->codec->extradata, p, st->codec->extradata_size);\n st->time_base.num = 1;\n st->time_base.den = st->codec->sample_rate;\n } else\n vorbis_comment(s, p, os->psize);\n return 1;\n}', 'void *av_malloc(unsigned int size)\n{\n void *ptr = NULL;\n#if CONFIG_MEMALIGN_HACK\n long diff;\n#endif\n if(size > (INT_MAX-16) )\n return NULL;\n#if CONFIG_MEMALIGN_HACK\n ptr = malloc(size+16);\n if(!ptr)\n return ptr;\n diff= ((-(long)ptr - 1)&15) + 1;\n ptr = (char*)ptr + diff;\n ((char*)ptr)[-1]= diff;\n#elif HAVE_POSIX_MEMALIGN\n if (posix_memalign(&ptr,16,size))\n ptr = NULL;\n#elif HAVE_MEMALIGN\n ptr = memalign(16,size);\n#else\n ptr = malloc(size);\n#endif\n return ptr;\n}'] |
21,059 | 0 | https://github.com/libav/libav/blob/93d06bd1df73861c73bc12c659aecdf404d1de2a/libavformat/dv.c/#L122 | static int dv_extract_audio(uint8_t* frame, uint8_t* ppcm[4],
const DVprofile *sys)
{
int size, chan, i, j, d, of, smpls, freq, quant, half_ch;
uint16_t lc, rc;
const uint8_t* as_pack;
uint8_t *pcm, ipcm;
as_pack = dv_extract_pack(frame, dv_audio_source);
if (!as_pack)
return 0;
smpls = as_pack[1] & 0x3f;
freq = (as_pack[4] >> 3) & 0x07;
quant = as_pack[4] & 0x07;
if (quant > 1)
return -1;
size = (sys->audio_min_samples[freq] + smpls) * 4;
half_ch = sys->difseg_size / 2;
ipcm = (sys->height == 720 && !(frame[1] & 0x0C)) ? 2 : 0;
pcm = ppcm[ipcm++];
for (chan = 0; chan < sys->n_difchan; chan++) {
for (i = 0; i < sys->difseg_size; i++) {
frame += 6 * 80;
if (quant == 1 && i == half_ch) {
pcm = ppcm[ipcm++];
if (!pcm)
break;
}
for (j = 0; j < 9; j++) {
for (d = 8; d < 80; d += 2) {
if (quant == 0) {
of = sys->audio_shuffle[i][j] + (d - 8) / 2 * sys->audio_stride;
if (of*2 >= size)
continue;
pcm[of*2] = frame[d+1];
pcm[of*2+1] = frame[d];
if (pcm[of*2+1] == 0x80 && pcm[of*2] == 0x00)
pcm[of*2+1] = 0;
} else {
lc = ((uint16_t)frame[d] << 4) |
((uint16_t)frame[d+2] >> 4);
rc = ((uint16_t)frame[d+1] << 4) |
((uint16_t)frame[d+2] & 0x0f);
lc = (lc == 0x800 ? 0 : dv_audio_12to16(lc));
rc = (rc == 0x800 ? 0 : dv_audio_12to16(rc));
of = sys->audio_shuffle[i%half_ch][j] + (d - 8) / 3 * sys->audio_stride;
if (of*2 >= size)
continue;
pcm[of*2] = lc & 0xff;
pcm[of*2+1] = lc >> 8;
of = sys->audio_shuffle[i%half_ch+half_ch][j] +
(d - 8) / 3 * sys->audio_stride;
pcm[of*2] = rc & 0xff;
pcm[of*2+1] = rc >> 8;
++d;
}
}
frame += 16 * 80;
}
}
pcm = ppcm[ipcm++];
if (!pcm)
break;
}
return size;
} | ['static int dv1394_read_packet(AVFormatContext *context, AVPacket *pkt)\n{\n struct dv1394_data *dv = context->priv_data;\n int size;\n size = dv_get_packet(dv->dv_demux, pkt);\n if (size > 0)\n return size;\n if (!dv->avail) {\n struct dv1394_status s;\n struct pollfd p;\n if (dv->done) {\n if (ioctl(dv->fd, DV1394_RECEIVE_FRAMES, dv->done) < 0) {\n av_log(context, AV_LOG_ERROR, "DV1394: Ring buffer overflow. Reseting ..\\n");\n dv1394_reset(dv);\n dv1394_start(dv);\n }\n dv->done = 0;\n }\nrestart_poll:\n p.fd = dv->fd;\n p.events = POLLIN | POLLERR | POLLHUP;\n if (poll(&p, 1, -1) < 0) {\n if (errno == EAGAIN || errno == EINTR)\n goto restart_poll;\n av_log(context, AV_LOG_ERROR, "Poll failed: %s\\n", strerror(errno));\n return AVERROR(EIO);\n }\n if (ioctl(dv->fd, DV1394_GET_STATUS, &s) < 0) {\n av_log(context, AV_LOG_ERROR, "Failed to get status: %s\\n", strerror(errno));\n return AVERROR(EIO);\n }\n av_dlog(context, "DV1394: status\\n"\n "\\tactive_frame\\t%d\\n"\n "\\tfirst_clear_frame\\t%d\\n"\n "\\tn_clear_frames\\t%d\\n"\n "\\tdropped_frames\\t%d\\n",\n s.active_frame, s.first_clear_frame,\n s.n_clear_frames, s.dropped_frames);\n dv->avail = s.n_clear_frames;\n dv->index = s.first_clear_frame;\n dv->done = 0;\n if (s.dropped_frames) {\n av_log(context, AV_LOG_ERROR, "DV1394: Frame drop detected (%d). Reseting ..\\n",\n s.dropped_frames);\n dv1394_reset(dv);\n dv1394_start(dv);\n }\n }\n av_dlog(context, "index %d, avail %d, done %d\\n", dv->index, dv->avail,\n dv->done);\n size = dv_produce_packet(dv->dv_demux, pkt,\n dv->ring + (dv->index * DV1394_PAL_FRAME_SIZE),\n DV1394_PAL_FRAME_SIZE);\n dv->index = (dv->index + 1) % DV1394_RING_FRAMES;\n dv->done++; dv->avail--;\n return size;\n}', 'int dv_produce_packet(DVDemuxContext *c, AVPacket *pkt,\n uint8_t* buf, int buf_size)\n{\n int size, i;\n uint8_t *ppcm[4] = {0};\n if (buf_size < DV_PROFILE_BYTES ||\n !(c->sys = ff_dv_frame_profile(c->sys, buf, buf_size)) ||\n buf_size < c->sys->frame_size) {\n return -1;\n }\n size = dv_extract_audio_info(c, buf);\n for (i = 0; i < c->ach; i++) {\n c->audio_pkt[i].size = size;\n c->audio_pkt[i].pts = c->abytes * 30000*8 / c->ast[i]->codec->bit_rate;\n ppcm[i] = c->audio_buf[i];\n }\n dv_extract_audio(buf, ppcm, c->sys);\n if (c->sys->height == 720) {\n if (buf[1] & 0x0C) {\n c->audio_pkt[2].size = c->audio_pkt[3].size = 0;\n } else {\n c->audio_pkt[0].size = c->audio_pkt[1].size = 0;\n c->abytes += size;\n }\n } else {\n c->abytes += size;\n }\n size = dv_extract_video_info(c, buf);\n av_init_packet(pkt);\n pkt->data = buf;\n pkt->size = size;\n pkt->flags |= AV_PKT_FLAG_KEY;\n pkt->stream_index = c->vst->id;\n pkt->pts = c->frames;\n c->frames++;\n return size;\n}', 'const DVprofile* ff_dv_frame_profile(const DVprofile *sys,\n const uint8_t* frame, unsigned buf_size)\n{\n int i;\n int dsf = (frame[3] & 0x80) >> 7;\n int stype = frame[80*5 + 48 + 3] & 0x1f;\n if (dsf == 1 && stype == 0 && frame[4] & 0x07 ) {\n return &dv_profiles[2];\n }\n for (i=0; i<FF_ARRAY_ELEMS(dv_profiles); i++)\n if (dsf == dv_profiles[i].dsf && stype == dv_profiles[i].video_stype)\n return &dv_profiles[i];\n if (sys && buf_size == sys->frame_size)\n return sys;\n return NULL;\n}', 'static int dv_extract_audio(uint8_t* frame, uint8_t* ppcm[4],\n const DVprofile *sys)\n{\n int size, chan, i, j, d, of, smpls, freq, quant, half_ch;\n uint16_t lc, rc;\n const uint8_t* as_pack;\n uint8_t *pcm, ipcm;\n as_pack = dv_extract_pack(frame, dv_audio_source);\n if (!as_pack)\n return 0;\n smpls = as_pack[1] & 0x3f;\n freq = (as_pack[4] >> 3) & 0x07;\n quant = as_pack[4] & 0x07;\n if (quant > 1)\n return -1;\n size = (sys->audio_min_samples[freq] + smpls) * 4;\n half_ch = sys->difseg_size / 2;\n ipcm = (sys->height == 720 && !(frame[1] & 0x0C)) ? 2 : 0;\n pcm = ppcm[ipcm++];\n for (chan = 0; chan < sys->n_difchan; chan++) {\n for (i = 0; i < sys->difseg_size; i++) {\n frame += 6 * 80;\n if (quant == 1 && i == half_ch) {\n pcm = ppcm[ipcm++];\n if (!pcm)\n break;\n }\n for (j = 0; j < 9; j++) {\n for (d = 8; d < 80; d += 2) {\n if (quant == 0) {\n of = sys->audio_shuffle[i][j] + (d - 8) / 2 * sys->audio_stride;\n if (of*2 >= size)\n continue;\n pcm[of*2] = frame[d+1];\n pcm[of*2+1] = frame[d];\n if (pcm[of*2+1] == 0x80 && pcm[of*2] == 0x00)\n pcm[of*2+1] = 0;\n } else {\n lc = ((uint16_t)frame[d] << 4) |\n ((uint16_t)frame[d+2] >> 4);\n rc = ((uint16_t)frame[d+1] << 4) |\n ((uint16_t)frame[d+2] & 0x0f);\n lc = (lc == 0x800 ? 0 : dv_audio_12to16(lc));\n rc = (rc == 0x800 ? 0 : dv_audio_12to16(rc));\n of = sys->audio_shuffle[i%half_ch][j] + (d - 8) / 3 * sys->audio_stride;\n if (of*2 >= size)\n continue;\n pcm[of*2] = lc & 0xff;\n pcm[of*2+1] = lc >> 8;\n of = sys->audio_shuffle[i%half_ch+half_ch][j] +\n (d - 8) / 3 * sys->audio_stride;\n pcm[of*2] = rc & 0xff;\n pcm[of*2+1] = rc >> 8;\n ++d;\n }\n }\n frame += 16 * 80;\n }\n }\n pcm = ppcm[ipcm++];\n if (!pcm)\n break;\n }\n return size;\n}', 'static const uint8_t* dv_extract_pack(uint8_t* frame, enum dv_pack_type t)\n{\n int offs;\n switch (t) {\n case dv_audio_source:\n offs = (80*6 + 80*16*3 + 3);\n break;\n case dv_audio_control:\n offs = (80*6 + 80*16*4 + 3);\n break;\n case dv_video_control:\n offs = (80*5 + 48 + 5);\n break;\n default:\n return NULL;\n }\n return frame[offs] == t ? &frame[offs] : NULL;\n}'] |
21,060 | 0 | https://github.com/openssl/openssl/blob/7d461736f7bd3af3c2f266f8541034ecf6f41ed9/crypto/bn/bn_lib.c/#L260 | static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
{
BN_ULONG *a = NULL;
bn_check_top(b);
if (words > (INT_MAX / (4 * BN_BITS2))) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);
return NULL;
}
if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);
return NULL;
}
if (BN_get_flags(b, BN_FLG_SECURE))
a = OPENSSL_secure_zalloc(words * sizeof(*a));
else
a = OPENSSL_zalloc(words * sizeof(*a));
if (a == NULL) {
BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);
return NULL;
}
assert(b->top <= words);
if (b->top > 0)
memcpy(a, b->d, sizeof(*a) * b->top);
return a;
} | ['int BN_mod_exp2_mont(BIGNUM *rr, const BIGNUM *a1, const BIGNUM *p1,\n const BIGNUM *a2, const BIGNUM *p2, const BIGNUM *m,\n BN_CTX *ctx, BN_MONT_CTX *in_mont)\n{\n int i, j, bits, b, bits1, bits2, ret =\n 0, wpos1, wpos2, window1, window2, wvalue1, wvalue2;\n int r_is_one = 1;\n BIGNUM *d, *r;\n const BIGNUM *a_mod_m;\n BIGNUM *val1[TABLE_SIZE], *val2[TABLE_SIZE];\n BN_MONT_CTX *mont = NULL;\n bn_check_top(a1);\n bn_check_top(p1);\n bn_check_top(a2);\n bn_check_top(p2);\n bn_check_top(m);\n if (!(m->d[0] & 1)) {\n BNerr(BN_F_BN_MOD_EXP2_MONT, BN_R_CALLED_WITH_EVEN_MODULUS);\n return 0;\n }\n bits1 = BN_num_bits(p1);\n bits2 = BN_num_bits(p2);\n if ((bits1 == 0) && (bits2 == 0)) {\n ret = BN_one(rr);\n return ret;\n }\n bits = (bits1 > bits2) ? bits1 : bits2;\n BN_CTX_start(ctx);\n d = BN_CTX_get(ctx);\n r = BN_CTX_get(ctx);\n val1[0] = BN_CTX_get(ctx);\n val2[0] = BN_CTX_get(ctx);\n if (val2[0] == NULL)\n goto err;\n if (in_mont != NULL)\n mont = in_mont;\n else {\n if ((mont = BN_MONT_CTX_new()) == NULL)\n goto err;\n if (!BN_MONT_CTX_set(mont, m, ctx))\n goto err;\n }\n window1 = BN_window_bits_for_exponent_size(bits1);\n window2 = BN_window_bits_for_exponent_size(bits2);\n if (a1->neg || BN_ucmp(a1, m) >= 0) {\n if (!BN_mod(val1[0], a1, m, ctx))\n goto err;\n a_mod_m = val1[0];\n } else\n a_mod_m = a1;\n if (BN_is_zero(a_mod_m)) {\n BN_zero(rr);\n ret = 1;\n goto err;\n }\n if (!BN_to_montgomery(val1[0], a_mod_m, mont, ctx))\n goto err;\n if (window1 > 1) {\n if (!BN_mod_mul_montgomery(d, val1[0], val1[0], mont, ctx))\n goto err;\n j = 1 << (window1 - 1);\n for (i = 1; i < j; i++) {\n if (((val1[i] = BN_CTX_get(ctx)) == NULL) ||\n !BN_mod_mul_montgomery(val1[i], val1[i - 1], d, mont, ctx))\n goto err;\n }\n }\n if (a2->neg || BN_ucmp(a2, m) >= 0) {\n if (!BN_mod(val2[0], a2, m, ctx))\n goto err;\n a_mod_m = val2[0];\n } else\n a_mod_m = a2;\n if (BN_is_zero(a_mod_m)) {\n BN_zero(rr);\n ret = 1;\n goto err;\n }\n if (!BN_to_montgomery(val2[0], a_mod_m, mont, ctx))\n goto err;\n if (window2 > 1) {\n if (!BN_mod_mul_montgomery(d, val2[0], val2[0], mont, ctx))\n goto err;\n j = 1 << (window2 - 1);\n for (i = 1; i < j; i++) {\n if (((val2[i] = BN_CTX_get(ctx)) == NULL) ||\n !BN_mod_mul_montgomery(val2[i], val2[i - 1], d, mont, ctx))\n goto err;\n }\n }\n r_is_one = 1;\n wvalue1 = 0;\n wvalue2 = 0;\n wpos1 = 0;\n wpos2 = 0;\n if (!BN_to_montgomery(r, BN_value_one(), mont, ctx))\n goto err;\n for (b = bits - 1; b >= 0; b--) {\n if (!r_is_one) {\n if (!BN_mod_mul_montgomery(r, r, r, mont, ctx))\n goto err;\n }\n if (!wvalue1)\n if (BN_is_bit_set(p1, b)) {\n i = b - window1 + 1;\n while (!BN_is_bit_set(p1, i))\n i++;\n wpos1 = i;\n wvalue1 = 1;\n for (i = b - 1; i >= wpos1; i--) {\n wvalue1 <<= 1;\n if (BN_is_bit_set(p1, i))\n wvalue1++;\n }\n }\n if (!wvalue2)\n if (BN_is_bit_set(p2, b)) {\n i = b - window2 + 1;\n while (!BN_is_bit_set(p2, i))\n i++;\n wpos2 = i;\n wvalue2 = 1;\n for (i = b - 1; i >= wpos2; i--) {\n wvalue2 <<= 1;\n if (BN_is_bit_set(p2, i))\n wvalue2++;\n }\n }\n if (wvalue1 && b == wpos1) {\n if (!BN_mod_mul_montgomery(r, r, val1[wvalue1 >> 1], mont, ctx))\n goto err;\n wvalue1 = 0;\n r_is_one = 0;\n }\n if (wvalue2 && b == wpos2) {\n if (!BN_mod_mul_montgomery(r, r, val2[wvalue2 >> 1], mont, ctx))\n goto err;\n wvalue2 = 0;\n r_is_one = 0;\n }\n }\n if (!BN_from_montgomery(rr, r, mont, ctx))\n goto err;\n ret = 1;\n err:\n if (in_mont == NULL)\n BN_MONT_CTX_free(mont);\n BN_CTX_end(ctx);\n bn_check_top(rr);\n return ret;\n}', 'int BN_MONT_CTX_set(BN_MONT_CTX *mont, const BIGNUM *mod, BN_CTX *ctx)\n{\n int ret = 0;\n BIGNUM *Ri, *R;\n if (BN_is_zero(mod))\n return 0;\n BN_CTX_start(ctx);\n if ((Ri = BN_CTX_get(ctx)) == NULL)\n goto err;\n R = &(mont->RR);\n if (!BN_copy(&(mont->N), mod))\n goto err;\n if (BN_get_flags(mod, BN_FLG_CONSTTIME) != 0)\n BN_set_flags(&(mont->N), BN_FLG_CONSTTIME);\n mont->N.neg = 0;\n#ifdef MONT_WORD\n {\n BIGNUM tmod;\n BN_ULONG buf[2];\n bn_init(&tmod);\n tmod.d = buf;\n tmod.dmax = 2;\n tmod.neg = 0;\n if (BN_get_flags(mod, BN_FLG_CONSTTIME) != 0)\n BN_set_flags(&tmod, BN_FLG_CONSTTIME);\n mont->ri = (BN_num_bits(mod) + (BN_BITS2 - 1)) / BN_BITS2 * BN_BITS2;\n# if defined(OPENSSL_BN_ASM_MONT) && (BN_BITS2<=32)\n BN_zero(R);\n if (!(BN_set_bit(R, 2 * BN_BITS2)))\n goto err;\n tmod.top = 0;\n if ((buf[0] = mod->d[0]))\n tmod.top = 1;\n if ((buf[1] = mod->top > 1 ? mod->d[1] : 0))\n tmod.top = 2;\n if ((BN_mod_inverse(Ri, R, &tmod, ctx)) == NULL)\n goto err;\n if (!BN_lshift(Ri, Ri, 2 * BN_BITS2))\n goto err;\n if (!BN_is_zero(Ri)) {\n if (!BN_sub_word(Ri, 1))\n goto err;\n } else {\n if (bn_expand(Ri, (int)sizeof(BN_ULONG) * 2) == NULL)\n goto err;\n Ri->neg = 0;\n Ri->d[0] = BN_MASK2;\n Ri->d[1] = BN_MASK2;\n Ri->top = 2;\n }\n if (!BN_div(Ri, NULL, Ri, &tmod, ctx))\n goto err;\n mont->n0[0] = (Ri->top > 0) ? Ri->d[0] : 0;\n mont->n0[1] = (Ri->top > 1) ? Ri->d[1] : 0;\n# else\n BN_zero(R);\n if (!(BN_set_bit(R, BN_BITS2)))\n goto err;\n buf[0] = mod->d[0];\n buf[1] = 0;\n tmod.top = buf[0] != 0 ? 1 : 0;\n if ((BN_mod_inverse(Ri, R, &tmod, ctx)) == NULL)\n goto err;\n if (!BN_lshift(Ri, Ri, BN_BITS2))\n goto err;\n if (!BN_is_zero(Ri)) {\n if (!BN_sub_word(Ri, 1))\n goto err;\n } else {\n if (!BN_set_word(Ri, BN_MASK2))\n goto err;\n }\n if (!BN_div(Ri, NULL, Ri, &tmod, ctx))\n goto err;\n mont->n0[0] = (Ri->top > 0) ? Ri->d[0] : 0;\n mont->n0[1] = 0;\n# endif\n }\n#else\n {\n mont->ri = BN_num_bits(&mont->N);\n BN_zero(R);\n if (!BN_set_bit(R, mont->ri))\n goto err;\n if ((BN_mod_inverse(Ri, R, &mont->N, ctx)) == NULL)\n goto err;\n if (!BN_lshift(Ri, Ri, mont->ri))\n goto err;\n if (!BN_sub_word(Ri, 1))\n goto err;\n if (!BN_div(&(mont->Ni), NULL, Ri, &mont->N, ctx))\n goto err;\n }\n#endif\n BN_zero(&(mont->RR));\n if (!BN_set_bit(&(mont->RR), mont->ri * 2))\n goto err;\n if (!BN_mod(&(mont->RR), &(mont->RR), &(mont->N), ctx))\n goto err;\n ret = 1;\n err:\n BN_CTX_end(ctx);\n return ret;\n}', 'BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)\n{\n bn_check_top(b);\n if (a == b)\n return a;\n if (bn_wexpand(a, b->top) == NULL)\n return NULL;\n if (b->top > 0)\n memcpy(a->d, b->d, sizeof(b->d[0]) * b->top);\n a->top = b->top;\n a->neg = b->neg;\n bn_check_top(a);\n return a;\n}', 'BIGNUM *bn_wexpand(BIGNUM *a, int words)\n{\n return (words <= a->dmax) ? a : bn_expand2(a, words);\n}', 'BIGNUM *bn_expand2(BIGNUM *b, int words)\n{\n bn_check_top(b);\n if (words > b->dmax) {\n BN_ULONG *a = bn_expand_internal(b, words);\n if (!a)\n return NULL;\n if (b->d) {\n OPENSSL_cleanse(b->d, b->dmax * sizeof(b->d[0]));\n bn_free_d(b);\n }\n b->d = a;\n b->dmax = words;\n }\n bn_check_top(b);\n return b;\n}', 'static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)\n{\n BN_ULONG *a = NULL;\n bn_check_top(b);\n if (words > (INT_MAX / (4 * BN_BITS2))) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);\n return NULL;\n }\n if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);\n return NULL;\n }\n if (BN_get_flags(b, BN_FLG_SECURE))\n a = OPENSSL_secure_zalloc(words * sizeof(*a));\n else\n a = OPENSSL_zalloc(words * sizeof(*a));\n if (a == NULL) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);\n return NULL;\n }\n assert(b->top <= words);\n if (b->top > 0)\n memcpy(a, b->d, sizeof(*a) * b->top);\n return a;\n}', 'void *CRYPTO_zalloc(size_t num, const char *file, int line)\n{\n void *ret = CRYPTO_malloc(num, file, line);\n FAILTEST();\n if (ret != NULL)\n memset(ret, 0, num);\n return ret;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n INCREMENT(malloc_count);\n if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)\n return malloc_impl(num, file, line);\n if (num == 0)\n return NULL;\n FAILTEST();\n allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n (void)(file); (void)(line);\n ret = malloc(num);\n#endif\n return ret;\n}'] |
21,061 | 0 | https://github.com/openssl/openssl/blob/1d3159bccaa400d6966005b9bc49cca1f6719962/engines/e_sureware.c/#L909 | static int surewarehk_rsa_priv_dec(int flen,const unsigned char *from,unsigned char *to,
RSA *rsa,int padding)
{
int ret=0,tlen;
char *buf=NULL,*hptr=NULL;
char msg[64]="ENGINE_rsa_priv_dec";
if (!p_surewarehk_Rsa_Priv_Dec)
{
SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,ENGINE_R_NOT_INITIALISED);
}
else if (!(hptr=RSA_get_ex_data(rsa, rsaHndidx)))
{
SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,SUREWARE_R_MISSING_KEY_COMPONENTS);
goto err;
}
if (padding==RSA_PKCS1_PADDING)
{
ret=p_surewarehk_Rsa_Priv_Dec(msg,flen,(unsigned char *)from,&tlen,to,hptr,SUREWARE_PKCS1_PAD);
surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,ret);
if (ret!=1)
goto err;
ret=tlen;
}
else
{
ret=p_surewarehk_Rsa_Priv_Dec(msg,flen,(unsigned char *)from,&tlen,to,hptr,SUREWARE_NO_PAD);
surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,ret);
if (ret!=1)
goto err;
if ((buf=OPENSSL_malloc(tlen)) == NULL)
{
RSAerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,ERR_R_MALLOC_FAILURE);
goto err;
}
memcpy(buf,to,tlen);
switch (padding)
{
#ifndef OPENSSL_NO_SHA
case RSA_PKCS1_OAEP_PADDING:
ret=RSA_padding_check_PKCS1_OAEP(to,tlen,(unsigned char *)buf,tlen,tlen,NULL,0);
break;
#endif
case RSA_SSLV23_PADDING:
ret=RSA_padding_check_SSLv23(to,tlen,(unsigned char *)buf,flen,tlen);
break;
case RSA_NO_PADDING:
ret=RSA_padding_check_none(to,tlen,(unsigned char *)buf,flen,tlen);
break;
default:
RSAerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,RSA_R_UNKNOWN_PADDING_TYPE);
goto err;
}
if (ret < 0)
RSAerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,RSA_R_PADDING_CHECK_FAILED);
}
err:
if (buf)
{
OPENSSL_cleanse(buf,tlen);
OPENSSL_free(buf);
}
return ret;
} | ['static int surewarehk_rsa_priv_dec(int flen,const unsigned char *from,unsigned char *to,\n\t\t\tRSA *rsa,int padding)\n{\n\tint ret=0,tlen;\n\tchar *buf=NULL,*hptr=NULL;\n\tchar msg[64]="ENGINE_rsa_priv_dec";\n\tif (!p_surewarehk_Rsa_Priv_Dec)\n\t{\n\t\tSUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,ENGINE_R_NOT_INITIALISED);\n\t}\n\telse if (!(hptr=RSA_get_ex_data(rsa, rsaHndidx)))\n\t{\n\t\tSUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,SUREWARE_R_MISSING_KEY_COMPONENTS);\n\t\tgoto err;\n\t}\n\tif (padding==RSA_PKCS1_PADDING)\n\t{\n\t\tret=p_surewarehk_Rsa_Priv_Dec(msg,flen,(unsigned char *)from,&tlen,to,hptr,SUREWARE_PKCS1_PAD);\n\t\tsurewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,ret);\n\t\tif (ret!=1)\n\t\t\tgoto err;\n\t\tret=tlen;\n\t}\n\telse\n\t{\n\t\tret=p_surewarehk_Rsa_Priv_Dec(msg,flen,(unsigned char *)from,&tlen,to,hptr,SUREWARE_NO_PAD);\n\t\tsurewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,ret);\n\t\tif (ret!=1)\n\t\t\tgoto err;\n\t\tif ((buf=OPENSSL_malloc(tlen)) == NULL)\n\t\t{\n\t\t\tRSAerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,ERR_R_MALLOC_FAILURE);\n\t\t\tgoto err;\n\t\t}\n\t\tmemcpy(buf,to,tlen);\n\t\tswitch (padding)\n\t\t{\n#ifndef OPENSSL_NO_SHA\n\t\tcase RSA_PKCS1_OAEP_PADDING:\n\t\t\tret=RSA_padding_check_PKCS1_OAEP(to,tlen,(unsigned char *)buf,tlen,tlen,NULL,0);\n\t\t\tbreak;\n#endif\n \t\tcase RSA_SSLV23_PADDING:\n\t\t\tret=RSA_padding_check_SSLv23(to,tlen,(unsigned char *)buf,flen,tlen);\n\t\t\tbreak;\n\t\tcase RSA_NO_PADDING:\n\t\t\tret=RSA_padding_check_none(to,tlen,(unsigned char *)buf,flen,tlen);\n\t\t\tbreak;\n\t\tdefault:\n\t\t\tRSAerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,RSA_R_UNKNOWN_PADDING_TYPE);\n\t\t\tgoto err;\n\t\t}\n\t\tif (ret < 0)\n\t\t\tRSAerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,RSA_R_PADDING_CHECK_FAILED);\n\t}\nerr:\n\tif (buf)\n\t{\n\t\tOPENSSL_cleanse(buf,tlen);\n\t\tOPENSSL_free(buf);\n\t}\n\treturn ret;\n}'] |
21,062 | 0 | https://github.com/libav/libav/blob/92799d3213edb3dc7b9bb5fb10f66cb7284c7f4a/libavcodec/h264.c/#L5676 | static int decode_mb_cabac(H264Context *h) {
MpegEncContext * const s = &h->s;
int mb_xy;
int mb_type, partition_count, cbp = 0;
int dct8x8_allowed= h->pps.transform_8x8_mode;
mb_xy = h->mb_xy = s->mb_x + s->mb_y*s->mb_stride;
tprintf(s->avctx, "pic:%d mb:%d/%d\n", h->frame_num, s->mb_x, s->mb_y);
if( h->slice_type_nos != FF_I_TYPE ) {
int skip;
if( FRAME_MBAFF && s->mb_x==0 && (s->mb_y&1)==0 )
predict_field_decoding_flag(h);
if( FRAME_MBAFF && (s->mb_y&1)==1 && h->prev_mb_skipped )
skip = h->next_mb_skipped;
else
skip = decode_cabac_mb_skip( h, s->mb_x, s->mb_y );
if( skip ) {
if( FRAME_MBAFF && (s->mb_y&1)==0 ){
s->current_picture.mb_type[mb_xy] = MB_TYPE_SKIP;
h->next_mb_skipped = decode_cabac_mb_skip( h, s->mb_x, s->mb_y+1 );
if(!h->next_mb_skipped)
h->mb_mbaff = h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h);
}
decode_mb_skip(h);
h->cbp_table[mb_xy] = 0;
h->chroma_pred_mode_table[mb_xy] = 0;
h->last_qscale_diff = 0;
return 0;
}
}
if(FRAME_MBAFF){
if( (s->mb_y&1) == 0 )
h->mb_mbaff =
h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h);
}
h->prev_mb_skipped = 0;
compute_mb_neighbors(h);
if( h->slice_type_nos == FF_B_TYPE ) {
mb_type = decode_cabac_mb_type_b( h );
if( mb_type < 23 ){
partition_count= b_mb_type_info[mb_type].partition_count;
mb_type= b_mb_type_info[mb_type].type;
}else{
mb_type -= 23;
goto decode_intra_mb;
}
} else if( h->slice_type_nos == FF_P_TYPE ) {
if( get_cabac_noinline( &h->cabac, &h->cabac_state[14] ) == 0 ) {
if( get_cabac_noinline( &h->cabac, &h->cabac_state[15] ) == 0 ) {
mb_type= 3 * get_cabac_noinline( &h->cabac, &h->cabac_state[16] );
} else {
mb_type= 2 - get_cabac_noinline( &h->cabac, &h->cabac_state[17] );
}
partition_count= p_mb_type_info[mb_type].partition_count;
mb_type= p_mb_type_info[mb_type].type;
} else {
mb_type= decode_cabac_intra_mb_type(h, 17, 0);
goto decode_intra_mb;
}
} else {
mb_type= decode_cabac_intra_mb_type(h, 3, 1);
if(h->slice_type == FF_SI_TYPE && mb_type)
mb_type--;
assert(h->slice_type_nos == FF_I_TYPE);
decode_intra_mb:
partition_count = 0;
cbp= i_mb_type_info[mb_type].cbp;
h->intra16x16_pred_mode= i_mb_type_info[mb_type].pred_mode;
mb_type= i_mb_type_info[mb_type].type;
}
if(MB_FIELD)
mb_type |= MB_TYPE_INTERLACED;
h->slice_table[ mb_xy ]= h->slice_num;
if(IS_INTRA_PCM(mb_type)) {
const uint8_t *ptr;
ptr= h->cabac.bytestream;
if(h->cabac.low&0x1) ptr--;
if(CABAC_BITS==16){
if(h->cabac.low&0x1FF) ptr--;
}
memcpy(h->mb, ptr, 256); ptr+=256;
if(CHROMA){
memcpy(h->mb+128, ptr, 128); ptr+=128;
}
ff_init_cabac_decoder(&h->cabac, ptr, h->cabac.bytestream_end - ptr);
h->cbp_table[mb_xy] = 0x1ef;
h->chroma_pred_mode_table[mb_xy] = 0;
s->current_picture.qscale_table[mb_xy]= 0;
memset(h->non_zero_count[mb_xy], 16, 16);
s->current_picture.mb_type[mb_xy]= mb_type;
h->last_qscale_diff = 0;
return 0;
}
if(MB_MBAFF){
h->ref_count[0] <<= 1;
h->ref_count[1] <<= 1;
}
fill_caches(h, mb_type, 0);
if( IS_INTRA( mb_type ) ) {
int i, pred_mode;
if( IS_INTRA4x4( mb_type ) ) {
if( dct8x8_allowed && decode_cabac_mb_transform_size( h ) ) {
mb_type |= MB_TYPE_8x8DCT;
for( i = 0; i < 16; i+=4 ) {
int pred = pred_intra_mode( h, i );
int mode = decode_cabac_mb_intra4x4_pred_mode( h, pred );
fill_rectangle( &h->intra4x4_pred_mode_cache[ scan8[i] ], 2, 2, 8, mode, 1 );
}
} else {
for( i = 0; i < 16; i++ ) {
int pred = pred_intra_mode( h, i );
h->intra4x4_pred_mode_cache[ scan8[i] ] = decode_cabac_mb_intra4x4_pred_mode( h, pred );
}
}
write_back_intra_pred_mode(h);
if( check_intra4x4_pred_mode(h) < 0 ) return -1;
} else {
h->intra16x16_pred_mode= check_intra_pred_mode( h, h->intra16x16_pred_mode );
if( h->intra16x16_pred_mode < 0 ) return -1;
}
if(CHROMA){
h->chroma_pred_mode_table[mb_xy] =
pred_mode = decode_cabac_mb_chroma_pre_mode( h );
pred_mode= check_intra_pred_mode( h, pred_mode );
if( pred_mode < 0 ) return -1;
h->chroma_pred_mode= pred_mode;
}
} else if( partition_count == 4 ) {
int i, j, sub_partition_count[4], list, ref[2][4];
if( h->slice_type_nos == FF_B_TYPE ) {
for( i = 0; i < 4; i++ ) {
h->sub_mb_type[i] = decode_cabac_b_mb_sub_type( h );
sub_partition_count[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
h->sub_mb_type[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].type;
}
if( IS_DIRECT(h->sub_mb_type[0] | h->sub_mb_type[1] |
h->sub_mb_type[2] | h->sub_mb_type[3]) ) {
pred_direct_motion(h, &mb_type);
h->ref_cache[0][scan8[4]] =
h->ref_cache[1][scan8[4]] =
h->ref_cache[0][scan8[12]] =
h->ref_cache[1][scan8[12]] = PART_NOT_AVAILABLE;
if( h->ref_count[0] > 1 || h->ref_count[1] > 1 ) {
for( i = 0; i < 4; i++ )
if( IS_DIRECT(h->sub_mb_type[i]) )
fill_rectangle( &h->direct_cache[scan8[4*i]], 2, 2, 8, 1, 1 );
}
}
} else {
for( i = 0; i < 4; i++ ) {
h->sub_mb_type[i] = decode_cabac_p_mb_sub_type( h );
sub_partition_count[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
h->sub_mb_type[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].type;
}
}
for( list = 0; list < h->list_count; list++ ) {
for( i = 0; i < 4; i++ ) {
if(IS_DIRECT(h->sub_mb_type[i])) continue;
if(IS_DIR(h->sub_mb_type[i], 0, list)){
if( h->ref_count[list] > 1 ){
ref[list][i] = decode_cabac_mb_ref( h, list, 4*i );
if(ref[list][i] >= (unsigned)h->ref_count[list]){
av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref[list][i], h->ref_count[list]);
return -1;
}
}else
ref[list][i] = 0;
} else {
ref[list][i] = -1;
}
h->ref_cache[list][ scan8[4*i]+1 ]=
h->ref_cache[list][ scan8[4*i]+8 ]=h->ref_cache[list][ scan8[4*i]+9 ]= ref[list][i];
}
}
if(dct8x8_allowed)
dct8x8_allowed = get_dct8x8_allowed(h);
for(list=0; list<h->list_count; list++){
for(i=0; i<4; i++){
h->ref_cache[list][ scan8[4*i] ]=h->ref_cache[list][ scan8[4*i]+1 ];
if(IS_DIRECT(h->sub_mb_type[i])){
fill_rectangle(h->mvd_cache[list][scan8[4*i]], 2, 2, 8, 0, 4);
continue;
}
if(IS_DIR(h->sub_mb_type[i], 0, list) && !IS_DIRECT(h->sub_mb_type[i])){
const int sub_mb_type= h->sub_mb_type[i];
const int block_width= (sub_mb_type & (MB_TYPE_16x16|MB_TYPE_16x8)) ? 2 : 1;
for(j=0; j<sub_partition_count[i]; j++){
int mpx, mpy;
int mx, my;
const int index= 4*i + block_width*j;
int16_t (* mv_cache)[2]= &h->mv_cache[list][ scan8[index] ];
int16_t (* mvd_cache)[2]= &h->mvd_cache[list][ scan8[index] ];
pred_motion(h, index, block_width, list, h->ref_cache[list][ scan8[index] ], &mpx, &mpy);
mx = mpx + decode_cabac_mb_mvd( h, list, index, 0 );
my = mpy + decode_cabac_mb_mvd( h, list, index, 1 );
tprintf(s->avctx, "final mv:%d %d\n", mx, my);
if(IS_SUB_8X8(sub_mb_type)){
mv_cache[ 1 ][0]=
mv_cache[ 8 ][0]= mv_cache[ 9 ][0]= mx;
mv_cache[ 1 ][1]=
mv_cache[ 8 ][1]= mv_cache[ 9 ][1]= my;
mvd_cache[ 1 ][0]=
mvd_cache[ 8 ][0]= mvd_cache[ 9 ][0]= mx - mpx;
mvd_cache[ 1 ][1]=
mvd_cache[ 8 ][1]= mvd_cache[ 9 ][1]= my - mpy;
}else if(IS_SUB_8X4(sub_mb_type)){
mv_cache[ 1 ][0]= mx;
mv_cache[ 1 ][1]= my;
mvd_cache[ 1 ][0]= mx - mpx;
mvd_cache[ 1 ][1]= my - mpy;
}else if(IS_SUB_4X8(sub_mb_type)){
mv_cache[ 8 ][0]= mx;
mv_cache[ 8 ][1]= my;
mvd_cache[ 8 ][0]= mx - mpx;
mvd_cache[ 8 ][1]= my - mpy;
}
mv_cache[ 0 ][0]= mx;
mv_cache[ 0 ][1]= my;
mvd_cache[ 0 ][0]= mx - mpx;
mvd_cache[ 0 ][1]= my - mpy;
}
}else{
uint32_t *p= (uint32_t *)&h->mv_cache[list][ scan8[4*i] ][0];
uint32_t *pd= (uint32_t *)&h->mvd_cache[list][ scan8[4*i] ][0];
p[0] = p[1] = p[8] = p[9] = 0;
pd[0]= pd[1]= pd[8]= pd[9]= 0;
}
}
}
} else if( IS_DIRECT(mb_type) ) {
pred_direct_motion(h, &mb_type);
fill_rectangle(h->mvd_cache[0][scan8[0]], 4, 4, 8, 0, 4);
fill_rectangle(h->mvd_cache[1][scan8[0]], 4, 4, 8, 0, 4);
dct8x8_allowed &= h->sps.direct_8x8_inference_flag;
} else {
int list, mx, my, i, mpx, mpy;
if(IS_16X16(mb_type)){
for(list=0; list<h->list_count; list++){
if(IS_DIR(mb_type, 0, list)){
int ref;
if(h->ref_count[list] > 1){
ref= decode_cabac_mb_ref(h, list, 0);
if(ref >= (unsigned)h->ref_count[list]){
av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, h->ref_count[list]);
return -1;
}
}else
ref=0;
fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, ref, 1);
}else
fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, (uint8_t)LIST_NOT_USED, 1);
}
for(list=0; list<h->list_count; list++){
if(IS_DIR(mb_type, 0, list)){
pred_motion(h, 0, 4, list, h->ref_cache[list][ scan8[0] ], &mpx, &mpy);
mx = mpx + decode_cabac_mb_mvd( h, list, 0, 0 );
my = mpy + decode_cabac_mb_mvd( h, list, 0, 1 );
tprintf(s->avctx, "final mv:%d %d\n", mx, my);
fill_rectangle(h->mvd_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx-mpx,my-mpy), 4);
fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx,my), 4);
}else
fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, 0, 4);
}
}
else if(IS_16X8(mb_type)){
for(list=0; list<h->list_count; list++){
for(i=0; i<2; i++){
if(IS_DIR(mb_type, i, list)){
int ref;
if(h->ref_count[list] > 1){
ref= decode_cabac_mb_ref( h, list, 8*i );
if(ref >= (unsigned)h->ref_count[list]){
av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, h->ref_count[list]);
return -1;
}
}else
ref=0;
fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, ref, 1);
}else
fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, (LIST_NOT_USED&0xFF), 1);
}
}
for(list=0; list<h->list_count; list++){
for(i=0; i<2; i++){
if(IS_DIR(mb_type, i, list)){
pred_16x8_motion(h, 8*i, list, h->ref_cache[list][scan8[0] + 16*i], &mpx, &mpy);
mx = mpx + decode_cabac_mb_mvd( h, list, 8*i, 0 );
my = mpy + decode_cabac_mb_mvd( h, list, 8*i, 1 );
tprintf(s->avctx, "final mv:%d %d\n", mx, my);
fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx-mpx,my-mpy), 4);
fill_rectangle(h->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx,my), 4);
}else{
fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 4);
fill_rectangle(h-> mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 4);
}
}
}
}else{
assert(IS_8X16(mb_type));
for(list=0; list<h->list_count; list++){
for(i=0; i<2; i++){
if(IS_DIR(mb_type, i, list)){
int ref;
if(h->ref_count[list] > 1){
ref= decode_cabac_mb_ref( h, list, 4*i );
if(ref >= (unsigned)h->ref_count[list]){
av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, h->ref_count[list]);
return -1;
}
}else
ref=0;
fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, ref, 1);
}else
fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, (LIST_NOT_USED&0xFF), 1);
}
}
for(list=0; list<h->list_count; list++){
for(i=0; i<2; i++){
if(IS_DIR(mb_type, i, list)){
pred_8x16_motion(h, i*4, list, h->ref_cache[list][ scan8[0] + 2*i ], &mpx, &mpy);
mx = mpx + decode_cabac_mb_mvd( h, list, 4*i, 0 );
my = mpy + decode_cabac_mb_mvd( h, list, 4*i, 1 );
tprintf(s->avctx, "final mv:%d %d\n", mx, my);
fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx-mpx,my-mpy), 4);
fill_rectangle(h->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx,my), 4);
}else{
fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 4);
fill_rectangle(h-> mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 4);
}
}
}
}
}
if( IS_INTER( mb_type ) ) {
h->chroma_pred_mode_table[mb_xy] = 0;
write_back_motion( h, mb_type );
}
if( !IS_INTRA16x16( mb_type ) ) {
cbp = decode_cabac_mb_cbp_luma( h );
if(CHROMA)
cbp |= decode_cabac_mb_cbp_chroma( h ) << 4;
}
h->cbp_table[mb_xy] = h->cbp = cbp;
if( dct8x8_allowed && (cbp&15) && !IS_INTRA( mb_type ) ) {
if( decode_cabac_mb_transform_size( h ) )
mb_type |= MB_TYPE_8x8DCT;
}
s->current_picture.mb_type[mb_xy]= mb_type;
if( cbp || IS_INTRA16x16( mb_type ) ) {
const uint8_t *scan, *scan8x8, *dc_scan;
const uint32_t *qmul;
int dqp;
if(IS_INTERLACED(mb_type)){
scan8x8= s->qscale ? h->field_scan8x8 : h->field_scan8x8_q0;
scan= s->qscale ? h->field_scan : h->field_scan_q0;
dc_scan= luma_dc_field_scan;
}else{
scan8x8= s->qscale ? h->zigzag_scan8x8 : h->zigzag_scan8x8_q0;
scan= s->qscale ? h->zigzag_scan : h->zigzag_scan_q0;
dc_scan= luma_dc_zigzag_scan;
}
h->last_qscale_diff = dqp = decode_cabac_mb_dqp( h );
if( dqp == INT_MIN ){
av_log(h->s.avctx, AV_LOG_ERROR, "cabac decode of qscale diff failed at %d %d\n", s->mb_x, s->mb_y);
return -1;
}
s->qscale += dqp;
if(((unsigned)s->qscale) > 51){
if(s->qscale<0) s->qscale+= 52;
else s->qscale-= 52;
}
h->chroma_qp[0] = get_chroma_qp(h, 0, s->qscale);
h->chroma_qp[1] = get_chroma_qp(h, 1, s->qscale);
if( IS_INTRA16x16( mb_type ) ) {
int i;
decode_cabac_residual( h, h->mb, 0, 0, dc_scan, NULL, 16);
if( cbp&15 ) {
qmul = h->dequant4_coeff[0][s->qscale];
for( i = 0; i < 16; i++ ) {
decode_cabac_residual(h, h->mb + 16*i, 1, i, scan + 1, qmul, 15);
}
} else {
fill_rectangle(&h->non_zero_count_cache[scan8[0]], 4, 4, 8, 0, 1);
}
} else {
int i8x8, i4x4;
for( i8x8 = 0; i8x8 < 4; i8x8++ ) {
if( cbp & (1<<i8x8) ) {
if( IS_8x8DCT(mb_type) ) {
decode_cabac_residual(h, h->mb + 64*i8x8, 5, 4*i8x8,
scan8x8, h->dequant8_coeff[IS_INTRA( mb_type ) ? 0:1][s->qscale], 64);
} else {
qmul = h->dequant4_coeff[IS_INTRA( mb_type ) ? 0:3][s->qscale];
for( i4x4 = 0; i4x4 < 4; i4x4++ ) {
const int index = 4*i8x8 + i4x4;
decode_cabac_residual(h, h->mb + 16*index, 2, index, scan, qmul, 16);
}
}
} else {
uint8_t * const nnz= &h->non_zero_count_cache[ scan8[4*i8x8] ];
nnz[0] = nnz[1] = nnz[8] = nnz[9] = 0;
}
}
}
if( cbp&0x30 ){
int c;
for( c = 0; c < 2; c++ ) {
decode_cabac_residual(h, h->mb + 256 + 16*4*c, 3, c, chroma_dc_scan, NULL, 4);
}
}
if( cbp&0x20 ) {
int c, i;
for( c = 0; c < 2; c++ ) {
qmul = h->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][h->chroma_qp[c]];
for( i = 0; i < 4; i++ ) {
const int index = 16 + 4 * c + i;
decode_cabac_residual(h, h->mb + 16*index, 4, index, scan + 1, qmul, 15);
}
}
} else {
uint8_t * const nnz= &h->non_zero_count_cache[0];
nnz[ scan8[16]+0 ] = nnz[ scan8[16]+1 ] =nnz[ scan8[16]+8 ] =nnz[ scan8[16]+9 ] =
nnz[ scan8[20]+0 ] = nnz[ scan8[20]+1 ] =nnz[ scan8[20]+8 ] =nnz[ scan8[20]+9 ] = 0;
}
} else {
uint8_t * const nnz= &h->non_zero_count_cache[0];
fill_rectangle(&nnz[scan8[0]], 4, 4, 8, 0, 1);
nnz[ scan8[16]+0 ] = nnz[ scan8[16]+1 ] =nnz[ scan8[16]+8 ] =nnz[ scan8[16]+9 ] =
nnz[ scan8[20]+0 ] = nnz[ scan8[20]+1 ] =nnz[ scan8[20]+8 ] =nnz[ scan8[20]+9 ] = 0;
h->last_qscale_diff = 0;
}
s->current_picture.qscale_table[mb_xy]= s->qscale;
write_back_non_zero_count(h);
if(MB_MBAFF){
h->ref_count[0] >>= 1;
h->ref_count[1] >>= 1;
}
return 0;
} | ['static int decode_mb_cabac(H264Context *h) {\n MpegEncContext * const s = &h->s;\n int mb_xy;\n int mb_type, partition_count, cbp = 0;\n int dct8x8_allowed= h->pps.transform_8x8_mode;\n mb_xy = h->mb_xy = s->mb_x + s->mb_y*s->mb_stride;\n tprintf(s->avctx, "pic:%d mb:%d/%d\\n", h->frame_num, s->mb_x, s->mb_y);\n if( h->slice_type_nos != FF_I_TYPE ) {\n int skip;\n if( FRAME_MBAFF && s->mb_x==0 && (s->mb_y&1)==0 )\n predict_field_decoding_flag(h);\n if( FRAME_MBAFF && (s->mb_y&1)==1 && h->prev_mb_skipped )\n skip = h->next_mb_skipped;\n else\n skip = decode_cabac_mb_skip( h, s->mb_x, s->mb_y );\n if( skip ) {\n if( FRAME_MBAFF && (s->mb_y&1)==0 ){\n s->current_picture.mb_type[mb_xy] = MB_TYPE_SKIP;\n h->next_mb_skipped = decode_cabac_mb_skip( h, s->mb_x, s->mb_y+1 );\n if(!h->next_mb_skipped)\n h->mb_mbaff = h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h);\n }\n decode_mb_skip(h);\n h->cbp_table[mb_xy] = 0;\n h->chroma_pred_mode_table[mb_xy] = 0;\n h->last_qscale_diff = 0;\n return 0;\n }\n }\n if(FRAME_MBAFF){\n if( (s->mb_y&1) == 0 )\n h->mb_mbaff =\n h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h);\n }\n h->prev_mb_skipped = 0;\n compute_mb_neighbors(h);\n if( h->slice_type_nos == FF_B_TYPE ) {\n mb_type = decode_cabac_mb_type_b( h );\n if( mb_type < 23 ){\n partition_count= b_mb_type_info[mb_type].partition_count;\n mb_type= b_mb_type_info[mb_type].type;\n }else{\n mb_type -= 23;\n goto decode_intra_mb;\n }\n } else if( h->slice_type_nos == FF_P_TYPE ) {\n if( get_cabac_noinline( &h->cabac, &h->cabac_state[14] ) == 0 ) {\n if( get_cabac_noinline( &h->cabac, &h->cabac_state[15] ) == 0 ) {\n mb_type= 3 * get_cabac_noinline( &h->cabac, &h->cabac_state[16] );\n } else {\n mb_type= 2 - get_cabac_noinline( &h->cabac, &h->cabac_state[17] );\n }\n partition_count= p_mb_type_info[mb_type].partition_count;\n mb_type= p_mb_type_info[mb_type].type;\n } else {\n mb_type= decode_cabac_intra_mb_type(h, 17, 0);\n goto decode_intra_mb;\n }\n } else {\n mb_type= decode_cabac_intra_mb_type(h, 3, 1);\n if(h->slice_type == FF_SI_TYPE && mb_type)\n mb_type--;\n assert(h->slice_type_nos == FF_I_TYPE);\ndecode_intra_mb:\n partition_count = 0;\n cbp= i_mb_type_info[mb_type].cbp;\n h->intra16x16_pred_mode= i_mb_type_info[mb_type].pred_mode;\n mb_type= i_mb_type_info[mb_type].type;\n }\n if(MB_FIELD)\n mb_type |= MB_TYPE_INTERLACED;\n h->slice_table[ mb_xy ]= h->slice_num;\n if(IS_INTRA_PCM(mb_type)) {\n const uint8_t *ptr;\n ptr= h->cabac.bytestream;\n if(h->cabac.low&0x1) ptr--;\n if(CABAC_BITS==16){\n if(h->cabac.low&0x1FF) ptr--;\n }\n memcpy(h->mb, ptr, 256); ptr+=256;\n if(CHROMA){\n memcpy(h->mb+128, ptr, 128); ptr+=128;\n }\n ff_init_cabac_decoder(&h->cabac, ptr, h->cabac.bytestream_end - ptr);\n h->cbp_table[mb_xy] = 0x1ef;\n h->chroma_pred_mode_table[mb_xy] = 0;\n s->current_picture.qscale_table[mb_xy]= 0;\n memset(h->non_zero_count[mb_xy], 16, 16);\n s->current_picture.mb_type[mb_xy]= mb_type;\n h->last_qscale_diff = 0;\n return 0;\n }\n if(MB_MBAFF){\n h->ref_count[0] <<= 1;\n h->ref_count[1] <<= 1;\n }\n fill_caches(h, mb_type, 0);\n if( IS_INTRA( mb_type ) ) {\n int i, pred_mode;\n if( IS_INTRA4x4( mb_type ) ) {\n if( dct8x8_allowed && decode_cabac_mb_transform_size( h ) ) {\n mb_type |= MB_TYPE_8x8DCT;\n for( i = 0; i < 16; i+=4 ) {\n int pred = pred_intra_mode( h, i );\n int mode = decode_cabac_mb_intra4x4_pred_mode( h, pred );\n fill_rectangle( &h->intra4x4_pred_mode_cache[ scan8[i] ], 2, 2, 8, mode, 1 );\n }\n } else {\n for( i = 0; i < 16; i++ ) {\n int pred = pred_intra_mode( h, i );\n h->intra4x4_pred_mode_cache[ scan8[i] ] = decode_cabac_mb_intra4x4_pred_mode( h, pred );\n }\n }\n write_back_intra_pred_mode(h);\n if( check_intra4x4_pred_mode(h) < 0 ) return -1;\n } else {\n h->intra16x16_pred_mode= check_intra_pred_mode( h, h->intra16x16_pred_mode );\n if( h->intra16x16_pred_mode < 0 ) return -1;\n }\n if(CHROMA){\n h->chroma_pred_mode_table[mb_xy] =\n pred_mode = decode_cabac_mb_chroma_pre_mode( h );\n pred_mode= check_intra_pred_mode( h, pred_mode );\n if( pred_mode < 0 ) return -1;\n h->chroma_pred_mode= pred_mode;\n }\n } else if( partition_count == 4 ) {\n int i, j, sub_partition_count[4], list, ref[2][4];\n if( h->slice_type_nos == FF_B_TYPE ) {\n for( i = 0; i < 4; i++ ) {\n h->sub_mb_type[i] = decode_cabac_b_mb_sub_type( h );\n sub_partition_count[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;\n h->sub_mb_type[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].type;\n }\n if( IS_DIRECT(h->sub_mb_type[0] | h->sub_mb_type[1] |\n h->sub_mb_type[2] | h->sub_mb_type[3]) ) {\n pred_direct_motion(h, &mb_type);\n h->ref_cache[0][scan8[4]] =\n h->ref_cache[1][scan8[4]] =\n h->ref_cache[0][scan8[12]] =\n h->ref_cache[1][scan8[12]] = PART_NOT_AVAILABLE;\n if( h->ref_count[0] > 1 || h->ref_count[1] > 1 ) {\n for( i = 0; i < 4; i++ )\n if( IS_DIRECT(h->sub_mb_type[i]) )\n fill_rectangle( &h->direct_cache[scan8[4*i]], 2, 2, 8, 1, 1 );\n }\n }\n } else {\n for( i = 0; i < 4; i++ ) {\n h->sub_mb_type[i] = decode_cabac_p_mb_sub_type( h );\n sub_partition_count[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;\n h->sub_mb_type[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].type;\n }\n }\n for( list = 0; list < h->list_count; list++ ) {\n for( i = 0; i < 4; i++ ) {\n if(IS_DIRECT(h->sub_mb_type[i])) continue;\n if(IS_DIR(h->sub_mb_type[i], 0, list)){\n if( h->ref_count[list] > 1 ){\n ref[list][i] = decode_cabac_mb_ref( h, list, 4*i );\n if(ref[list][i] >= (unsigned)h->ref_count[list]){\n av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\\n", ref[list][i], h->ref_count[list]);\n return -1;\n }\n }else\n ref[list][i] = 0;\n } else {\n ref[list][i] = -1;\n }\n h->ref_cache[list][ scan8[4*i]+1 ]=\n h->ref_cache[list][ scan8[4*i]+8 ]=h->ref_cache[list][ scan8[4*i]+9 ]= ref[list][i];\n }\n }\n if(dct8x8_allowed)\n dct8x8_allowed = get_dct8x8_allowed(h);\n for(list=0; list<h->list_count; list++){\n for(i=0; i<4; i++){\n h->ref_cache[list][ scan8[4*i] ]=h->ref_cache[list][ scan8[4*i]+1 ];\n if(IS_DIRECT(h->sub_mb_type[i])){\n fill_rectangle(h->mvd_cache[list][scan8[4*i]], 2, 2, 8, 0, 4);\n continue;\n }\n if(IS_DIR(h->sub_mb_type[i], 0, list) && !IS_DIRECT(h->sub_mb_type[i])){\n const int sub_mb_type= h->sub_mb_type[i];\n const int block_width= (sub_mb_type & (MB_TYPE_16x16|MB_TYPE_16x8)) ? 2 : 1;\n for(j=0; j<sub_partition_count[i]; j++){\n int mpx, mpy;\n int mx, my;\n const int index= 4*i + block_width*j;\n int16_t (* mv_cache)[2]= &h->mv_cache[list][ scan8[index] ];\n int16_t (* mvd_cache)[2]= &h->mvd_cache[list][ scan8[index] ];\n pred_motion(h, index, block_width, list, h->ref_cache[list][ scan8[index] ], &mpx, &mpy);\n mx = mpx + decode_cabac_mb_mvd( h, list, index, 0 );\n my = mpy + decode_cabac_mb_mvd( h, list, index, 1 );\n tprintf(s->avctx, "final mv:%d %d\\n", mx, my);\n if(IS_SUB_8X8(sub_mb_type)){\n mv_cache[ 1 ][0]=\n mv_cache[ 8 ][0]= mv_cache[ 9 ][0]= mx;\n mv_cache[ 1 ][1]=\n mv_cache[ 8 ][1]= mv_cache[ 9 ][1]= my;\n mvd_cache[ 1 ][0]=\n mvd_cache[ 8 ][0]= mvd_cache[ 9 ][0]= mx - mpx;\n mvd_cache[ 1 ][1]=\n mvd_cache[ 8 ][1]= mvd_cache[ 9 ][1]= my - mpy;\n }else if(IS_SUB_8X4(sub_mb_type)){\n mv_cache[ 1 ][0]= mx;\n mv_cache[ 1 ][1]= my;\n mvd_cache[ 1 ][0]= mx - mpx;\n mvd_cache[ 1 ][1]= my - mpy;\n }else if(IS_SUB_4X8(sub_mb_type)){\n mv_cache[ 8 ][0]= mx;\n mv_cache[ 8 ][1]= my;\n mvd_cache[ 8 ][0]= mx - mpx;\n mvd_cache[ 8 ][1]= my - mpy;\n }\n mv_cache[ 0 ][0]= mx;\n mv_cache[ 0 ][1]= my;\n mvd_cache[ 0 ][0]= mx - mpx;\n mvd_cache[ 0 ][1]= my - mpy;\n }\n }else{\n uint32_t *p= (uint32_t *)&h->mv_cache[list][ scan8[4*i] ][0];\n uint32_t *pd= (uint32_t *)&h->mvd_cache[list][ scan8[4*i] ][0];\n p[0] = p[1] = p[8] = p[9] = 0;\n pd[0]= pd[1]= pd[8]= pd[9]= 0;\n }\n }\n }\n } else if( IS_DIRECT(mb_type) ) {\n pred_direct_motion(h, &mb_type);\n fill_rectangle(h->mvd_cache[0][scan8[0]], 4, 4, 8, 0, 4);\n fill_rectangle(h->mvd_cache[1][scan8[0]], 4, 4, 8, 0, 4);\n dct8x8_allowed &= h->sps.direct_8x8_inference_flag;\n } else {\n int list, mx, my, i, mpx, mpy;\n if(IS_16X16(mb_type)){\n for(list=0; list<h->list_count; list++){\n if(IS_DIR(mb_type, 0, list)){\n int ref;\n if(h->ref_count[list] > 1){\n ref= decode_cabac_mb_ref(h, list, 0);\n if(ref >= (unsigned)h->ref_count[list]){\n av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\\n", ref, h->ref_count[list]);\n return -1;\n }\n }else\n ref=0;\n fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, ref, 1);\n }else\n fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, (uint8_t)LIST_NOT_USED, 1);\n }\n for(list=0; list<h->list_count; list++){\n if(IS_DIR(mb_type, 0, list)){\n pred_motion(h, 0, 4, list, h->ref_cache[list][ scan8[0] ], &mpx, &mpy);\n mx = mpx + decode_cabac_mb_mvd( h, list, 0, 0 );\n my = mpy + decode_cabac_mb_mvd( h, list, 0, 1 );\n tprintf(s->avctx, "final mv:%d %d\\n", mx, my);\n fill_rectangle(h->mvd_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx-mpx,my-mpy), 4);\n fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx,my), 4);\n }else\n fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, 0, 4);\n }\n }\n else if(IS_16X8(mb_type)){\n for(list=0; list<h->list_count; list++){\n for(i=0; i<2; i++){\n if(IS_DIR(mb_type, i, list)){\n int ref;\n if(h->ref_count[list] > 1){\n ref= decode_cabac_mb_ref( h, list, 8*i );\n if(ref >= (unsigned)h->ref_count[list]){\n av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\\n", ref, h->ref_count[list]);\n return -1;\n }\n }else\n ref=0;\n fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, ref, 1);\n }else\n fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, (LIST_NOT_USED&0xFF), 1);\n }\n }\n for(list=0; list<h->list_count; list++){\n for(i=0; i<2; i++){\n if(IS_DIR(mb_type, i, list)){\n pred_16x8_motion(h, 8*i, list, h->ref_cache[list][scan8[0] + 16*i], &mpx, &mpy);\n mx = mpx + decode_cabac_mb_mvd( h, list, 8*i, 0 );\n my = mpy + decode_cabac_mb_mvd( h, list, 8*i, 1 );\n tprintf(s->avctx, "final mv:%d %d\\n", mx, my);\n fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx-mpx,my-mpy), 4);\n fill_rectangle(h->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx,my), 4);\n }else{\n fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 4);\n fill_rectangle(h-> mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 4);\n }\n }\n }\n }else{\n assert(IS_8X16(mb_type));\n for(list=0; list<h->list_count; list++){\n for(i=0; i<2; i++){\n if(IS_DIR(mb_type, i, list)){\n int ref;\n if(h->ref_count[list] > 1){\n ref= decode_cabac_mb_ref( h, list, 4*i );\n if(ref >= (unsigned)h->ref_count[list]){\n av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\\n", ref, h->ref_count[list]);\n return -1;\n }\n }else\n ref=0;\n fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, ref, 1);\n }else\n fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, (LIST_NOT_USED&0xFF), 1);\n }\n }\n for(list=0; list<h->list_count; list++){\n for(i=0; i<2; i++){\n if(IS_DIR(mb_type, i, list)){\n pred_8x16_motion(h, i*4, list, h->ref_cache[list][ scan8[0] + 2*i ], &mpx, &mpy);\n mx = mpx + decode_cabac_mb_mvd( h, list, 4*i, 0 );\n my = mpy + decode_cabac_mb_mvd( h, list, 4*i, 1 );\n tprintf(s->avctx, "final mv:%d %d\\n", mx, my);\n fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx-mpx,my-mpy), 4);\n fill_rectangle(h->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx,my), 4);\n }else{\n fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 4);\n fill_rectangle(h-> mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 4);\n }\n }\n }\n }\n }\n if( IS_INTER( mb_type ) ) {\n h->chroma_pred_mode_table[mb_xy] = 0;\n write_back_motion( h, mb_type );\n }\n if( !IS_INTRA16x16( mb_type ) ) {\n cbp = decode_cabac_mb_cbp_luma( h );\n if(CHROMA)\n cbp |= decode_cabac_mb_cbp_chroma( h ) << 4;\n }\n h->cbp_table[mb_xy] = h->cbp = cbp;\n if( dct8x8_allowed && (cbp&15) && !IS_INTRA( mb_type ) ) {\n if( decode_cabac_mb_transform_size( h ) )\n mb_type |= MB_TYPE_8x8DCT;\n }\n s->current_picture.mb_type[mb_xy]= mb_type;\n if( cbp || IS_INTRA16x16( mb_type ) ) {\n const uint8_t *scan, *scan8x8, *dc_scan;\n const uint32_t *qmul;\n int dqp;\n if(IS_INTERLACED(mb_type)){\n scan8x8= s->qscale ? h->field_scan8x8 : h->field_scan8x8_q0;\n scan= s->qscale ? h->field_scan : h->field_scan_q0;\n dc_scan= luma_dc_field_scan;\n }else{\n scan8x8= s->qscale ? h->zigzag_scan8x8 : h->zigzag_scan8x8_q0;\n scan= s->qscale ? h->zigzag_scan : h->zigzag_scan_q0;\n dc_scan= luma_dc_zigzag_scan;\n }\n h->last_qscale_diff = dqp = decode_cabac_mb_dqp( h );\n if( dqp == INT_MIN ){\n av_log(h->s.avctx, AV_LOG_ERROR, "cabac decode of qscale diff failed at %d %d\\n", s->mb_x, s->mb_y);\n return -1;\n }\n s->qscale += dqp;\n if(((unsigned)s->qscale) > 51){\n if(s->qscale<0) s->qscale+= 52;\n else s->qscale-= 52;\n }\n h->chroma_qp[0] = get_chroma_qp(h, 0, s->qscale);\n h->chroma_qp[1] = get_chroma_qp(h, 1, s->qscale);\n if( IS_INTRA16x16( mb_type ) ) {\n int i;\n decode_cabac_residual( h, h->mb, 0, 0, dc_scan, NULL, 16);\n if( cbp&15 ) {\n qmul = h->dequant4_coeff[0][s->qscale];\n for( i = 0; i < 16; i++ ) {\n decode_cabac_residual(h, h->mb + 16*i, 1, i, scan + 1, qmul, 15);\n }\n } else {\n fill_rectangle(&h->non_zero_count_cache[scan8[0]], 4, 4, 8, 0, 1);\n }\n } else {\n int i8x8, i4x4;\n for( i8x8 = 0; i8x8 < 4; i8x8++ ) {\n if( cbp & (1<<i8x8) ) {\n if( IS_8x8DCT(mb_type) ) {\n decode_cabac_residual(h, h->mb + 64*i8x8, 5, 4*i8x8,\n scan8x8, h->dequant8_coeff[IS_INTRA( mb_type ) ? 0:1][s->qscale], 64);\n } else {\n qmul = h->dequant4_coeff[IS_INTRA( mb_type ) ? 0:3][s->qscale];\n for( i4x4 = 0; i4x4 < 4; i4x4++ ) {\n const int index = 4*i8x8 + i4x4;\n decode_cabac_residual(h, h->mb + 16*index, 2, index, scan, qmul, 16);\n }\n }\n } else {\n uint8_t * const nnz= &h->non_zero_count_cache[ scan8[4*i8x8] ];\n nnz[0] = nnz[1] = nnz[8] = nnz[9] = 0;\n }\n }\n }\n if( cbp&0x30 ){\n int c;\n for( c = 0; c < 2; c++ ) {\n decode_cabac_residual(h, h->mb + 256 + 16*4*c, 3, c, chroma_dc_scan, NULL, 4);\n }\n }\n if( cbp&0x20 ) {\n int c, i;\n for( c = 0; c < 2; c++ ) {\n qmul = h->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][h->chroma_qp[c]];\n for( i = 0; i < 4; i++ ) {\n const int index = 16 + 4 * c + i;\n decode_cabac_residual(h, h->mb + 16*index, 4, index, scan + 1, qmul, 15);\n }\n }\n } else {\n uint8_t * const nnz= &h->non_zero_count_cache[0];\n nnz[ scan8[16]+0 ] = nnz[ scan8[16]+1 ] =nnz[ scan8[16]+8 ] =nnz[ scan8[16]+9 ] =\n nnz[ scan8[20]+0 ] = nnz[ scan8[20]+1 ] =nnz[ scan8[20]+8 ] =nnz[ scan8[20]+9 ] = 0;\n }\n } else {\n uint8_t * const nnz= &h->non_zero_count_cache[0];\n fill_rectangle(&nnz[scan8[0]], 4, 4, 8, 0, 1);\n nnz[ scan8[16]+0 ] = nnz[ scan8[16]+1 ] =nnz[ scan8[16]+8 ] =nnz[ scan8[16]+9 ] =\n nnz[ scan8[20]+0 ] = nnz[ scan8[20]+1 ] =nnz[ scan8[20]+8 ] =nnz[ scan8[20]+9 ] = 0;\n h->last_qscale_diff = 0;\n }\n s->current_picture.qscale_table[mb_xy]= s->qscale;\n write_back_non_zero_count(h);\n if(MB_MBAFF){\n h->ref_count[0] >>= 1;\n h->ref_count[1] >>= 1;\n }\n return 0;\n}', 'static void fill_caches(H264Context *h, int mb_type, int for_deblock){\n MpegEncContext * const s = &h->s;\n const int mb_xy= h->mb_xy;\n int topleft_xy, top_xy, topright_xy, left_xy[2];\n int topleft_type, top_type, topright_type, left_type[2];\n const int * left_block;\n int topleft_partition= -1;\n int i;\n top_xy = mb_xy - (s->mb_stride << FIELD_PICTURE);\n if(for_deblock && (h->slice_num == 1 || h->slice_table[mb_xy] == h->slice_table[top_xy]) && !FRAME_MBAFF)\n return;\n topleft_xy = top_xy - 1;\n topright_xy= top_xy + 1;\n left_xy[1] = left_xy[0] = mb_xy-1;\n left_block = left_block_options[0];\n if(FRAME_MBAFF){\n const int pair_xy = s->mb_x + (s->mb_y & ~1)*s->mb_stride;\n const int top_pair_xy = pair_xy - s->mb_stride;\n const int topleft_pair_xy = top_pair_xy - 1;\n const int topright_pair_xy = top_pair_xy + 1;\n const int topleft_mb_field_flag = IS_INTERLACED(s->current_picture.mb_type[topleft_pair_xy]);\n const int top_mb_field_flag = IS_INTERLACED(s->current_picture.mb_type[top_pair_xy]);\n const int topright_mb_field_flag = IS_INTERLACED(s->current_picture.mb_type[topright_pair_xy]);\n const int left_mb_field_flag = IS_INTERLACED(s->current_picture.mb_type[pair_xy-1]);\n const int curr_mb_field_flag = IS_INTERLACED(mb_type);\n const int bottom = (s->mb_y & 1);\n tprintf(s->avctx, "fill_caches: curr_mb_field_flag:%d, left_mb_field_flag:%d, topleft_mb_field_flag:%d, top_mb_field_flag:%d, topright_mb_field_flag:%d\\n", curr_mb_field_flag, left_mb_field_flag, topleft_mb_field_flag, top_mb_field_flag, topright_mb_field_flag);\n if (curr_mb_field_flag && (bottom || top_mb_field_flag)){\n top_xy -= s->mb_stride;\n }\n if (curr_mb_field_flag && (bottom || topleft_mb_field_flag)){\n topleft_xy -= s->mb_stride;\n } else if(bottom && !curr_mb_field_flag && left_mb_field_flag) {\n topleft_xy += s->mb_stride;\n topleft_partition = 0;\n }\n if (curr_mb_field_flag && (bottom || topright_mb_field_flag)){\n topright_xy -= s->mb_stride;\n }\n if (left_mb_field_flag != curr_mb_field_flag) {\n left_xy[1] = left_xy[0] = pair_xy - 1;\n if (curr_mb_field_flag) {\n left_xy[1] += s->mb_stride;\n left_block = left_block_options[3];\n } else {\n left_block= left_block_options[2 - bottom];\n }\n }\n }\n h->top_mb_xy = top_xy;\n h->left_mb_xy[0] = left_xy[0];\n h->left_mb_xy[1] = left_xy[1];\n if(for_deblock){\n topleft_type = 0;\n topright_type = 0;\n top_type = h->slice_table[top_xy ] < 0xFFFF ? s->current_picture.mb_type[top_xy] : 0;\n left_type[0] = h->slice_table[left_xy[0] ] < 0xFFFF ? s->current_picture.mb_type[left_xy[0]] : 0;\n left_type[1] = h->slice_table[left_xy[1] ] < 0xFFFF ? s->current_picture.mb_type[left_xy[1]] : 0;\n if(MB_MBAFF && !IS_INTRA(mb_type)){\n int list;\n for(list=0; list<h->list_count; list++){\n if(USES_LIST(mb_type,list)){\n int8_t *ref = &s->current_picture.ref_index[list][h->mb2b8_xy[mb_xy]];\n *(uint32_t*)&h->ref_cache[list][scan8[ 0]] =\n *(uint32_t*)&h->ref_cache[list][scan8[ 2]] = (pack16to32(ref[0],ref[1])&0x00FF00FF)*0x0101;\n ref += h->b8_stride;\n *(uint32_t*)&h->ref_cache[list][scan8[ 8]] =\n *(uint32_t*)&h->ref_cache[list][scan8[10]] = (pack16to32(ref[0],ref[1])&0x00FF00FF)*0x0101;\n }\n }\n }\n }else{\n topleft_type = h->slice_table[topleft_xy ] == h->slice_num ? s->current_picture.mb_type[topleft_xy] : 0;\n top_type = h->slice_table[top_xy ] == h->slice_num ? s->current_picture.mb_type[top_xy] : 0;\n topright_type= h->slice_table[topright_xy] == h->slice_num ? s->current_picture.mb_type[topright_xy]: 0;\n left_type[0] = h->slice_table[left_xy[0] ] == h->slice_num ? s->current_picture.mb_type[left_xy[0]] : 0;\n left_type[1] = h->slice_table[left_xy[1] ] == h->slice_num ? s->current_picture.mb_type[left_xy[1]] : 0;\n if(IS_INTRA(mb_type)){\n int type_mask= h->pps.constrained_intra_pred ? IS_INTRA(-1) : -1;\n h->topleft_samples_available=\n h->top_samples_available=\n h->left_samples_available= 0xFFFF;\n h->topright_samples_available= 0xEEEA;\n if(!(top_type & type_mask)){\n h->topleft_samples_available= 0xB3FF;\n h->top_samples_available= 0x33FF;\n h->topright_samples_available= 0x26EA;\n }\n if(IS_INTERLACED(mb_type) != IS_INTERLACED(left_type[0])){\n if(IS_INTERLACED(mb_type)){\n if(!(left_type[0] & type_mask)){\n h->topleft_samples_available&= 0xDFFF;\n h->left_samples_available&= 0x5FFF;\n }\n if(!(left_type[1] & type_mask)){\n h->topleft_samples_available&= 0xFF5F;\n h->left_samples_available&= 0xFF5F;\n }\n }else{\n int left_typei = h->slice_table[left_xy[0] + s->mb_stride ] == h->slice_num\n ? s->current_picture.mb_type[left_xy[0] + s->mb_stride] : 0;\n assert(left_xy[0] == left_xy[1]);\n if(!((left_typei & type_mask) && (left_type[0] & type_mask))){\n h->topleft_samples_available&= 0xDF5F;\n h->left_samples_available&= 0x5F5F;\n }\n }\n }else{\n if(!(left_type[0] & type_mask)){\n h->topleft_samples_available&= 0xDF5F;\n h->left_samples_available&= 0x5F5F;\n }\n }\n if(!(topleft_type & type_mask))\n h->topleft_samples_available&= 0x7FFF;\n if(!(topright_type & type_mask))\n h->topright_samples_available&= 0xFBFF;\n if(IS_INTRA4x4(mb_type)){\n if(IS_INTRA4x4(top_type)){\n h->intra4x4_pred_mode_cache[4+8*0]= h->intra4x4_pred_mode[top_xy][4];\n h->intra4x4_pred_mode_cache[5+8*0]= h->intra4x4_pred_mode[top_xy][5];\n h->intra4x4_pred_mode_cache[6+8*0]= h->intra4x4_pred_mode[top_xy][6];\n h->intra4x4_pred_mode_cache[7+8*0]= h->intra4x4_pred_mode[top_xy][3];\n }else{\n int pred;\n if(!(top_type & type_mask))\n pred= -1;\n else{\n pred= 2;\n }\n h->intra4x4_pred_mode_cache[4+8*0]=\n h->intra4x4_pred_mode_cache[5+8*0]=\n h->intra4x4_pred_mode_cache[6+8*0]=\n h->intra4x4_pred_mode_cache[7+8*0]= pred;\n }\n for(i=0; i<2; i++){\n if(IS_INTRA4x4(left_type[i])){\n h->intra4x4_pred_mode_cache[3+8*1 + 2*8*i]= h->intra4x4_pred_mode[left_xy[i]][left_block[0+2*i]];\n h->intra4x4_pred_mode_cache[3+8*2 + 2*8*i]= h->intra4x4_pred_mode[left_xy[i]][left_block[1+2*i]];\n }else{\n int pred;\n if(!(left_type[i] & type_mask))\n pred= -1;\n else{\n pred= 2;\n }\n h->intra4x4_pred_mode_cache[3+8*1 + 2*8*i]=\n h->intra4x4_pred_mode_cache[3+8*2 + 2*8*i]= pred;\n }\n }\n }\n }\n }\n if(top_type){\n h->non_zero_count_cache[4+8*0]= h->non_zero_count[top_xy][4];\n h->non_zero_count_cache[5+8*0]= h->non_zero_count[top_xy][5];\n h->non_zero_count_cache[6+8*0]= h->non_zero_count[top_xy][6];\n h->non_zero_count_cache[7+8*0]= h->non_zero_count[top_xy][3];\n h->non_zero_count_cache[1+8*0]= h->non_zero_count[top_xy][9];\n h->non_zero_count_cache[2+8*0]= h->non_zero_count[top_xy][8];\n h->non_zero_count_cache[1+8*3]= h->non_zero_count[top_xy][12];\n h->non_zero_count_cache[2+8*3]= h->non_zero_count[top_xy][11];\n }else{\n h->non_zero_count_cache[4+8*0]=\n h->non_zero_count_cache[5+8*0]=\n h->non_zero_count_cache[6+8*0]=\n h->non_zero_count_cache[7+8*0]=\n h->non_zero_count_cache[1+8*0]=\n h->non_zero_count_cache[2+8*0]=\n h->non_zero_count_cache[1+8*3]=\n h->non_zero_count_cache[2+8*3]= h->pps.cabac && !IS_INTRA(mb_type) ? 0 : 64;\n }\n for (i=0; i<2; i++) {\n if(left_type[i]){\n h->non_zero_count_cache[3+8*1 + 2*8*i]= h->non_zero_count[left_xy[i]][left_block[0+2*i]];\n h->non_zero_count_cache[3+8*2 + 2*8*i]= h->non_zero_count[left_xy[i]][left_block[1+2*i]];\n h->non_zero_count_cache[0+8*1 + 8*i]= h->non_zero_count[left_xy[i]][left_block[4+2*i]];\n h->non_zero_count_cache[0+8*4 + 8*i]= h->non_zero_count[left_xy[i]][left_block[5+2*i]];\n }else{\n h->non_zero_count_cache[3+8*1 + 2*8*i]=\n h->non_zero_count_cache[3+8*2 + 2*8*i]=\n h->non_zero_count_cache[0+8*1 + 8*i]=\n h->non_zero_count_cache[0+8*4 + 8*i]= h->pps.cabac && !IS_INTRA(mb_type) ? 0 : 64;\n }\n }\n if( h->pps.cabac ) {\n if(top_type) {\n h->top_cbp = h->cbp_table[top_xy];\n } else if(IS_INTRA(mb_type)) {\n h->top_cbp = 0x1C0;\n } else {\n h->top_cbp = 0;\n }\n if (left_type[0]) {\n h->left_cbp = h->cbp_table[left_xy[0]] & 0x1f0;\n } else if(IS_INTRA(mb_type)) {\n h->left_cbp = 0x1C0;\n } else {\n h->left_cbp = 0;\n }\n if (left_type[0]) {\n h->left_cbp |= ((h->cbp_table[left_xy[0]]>>((left_block[0]&(~1))+1))&0x1) << 1;\n }\n if (left_type[1]) {\n h->left_cbp |= ((h->cbp_table[left_xy[1]]>>((left_block[2]&(~1))+1))&0x1) << 3;\n }\n }\n#if 1\n if(IS_INTER(mb_type) || IS_DIRECT(mb_type)){\n int list;\n for(list=0; list<h->list_count; list++){\n if(!USES_LIST(mb_type, list) && !IS_DIRECT(mb_type) && !h->deblocking_filter){\n continue;\n }\n h->mv_cache_clean[list]= 0;\n if(USES_LIST(top_type, list)){\n const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride;\n const int b8_xy= h->mb2b8_xy[top_xy] + h->b8_stride;\n *(uint32_t*)h->mv_cache[list][scan8[0] + 0 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 0];\n *(uint32_t*)h->mv_cache[list][scan8[0] + 1 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 1];\n *(uint32_t*)h->mv_cache[list][scan8[0] + 2 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 2];\n *(uint32_t*)h->mv_cache[list][scan8[0] + 3 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 3];\n h->ref_cache[list][scan8[0] + 0 - 1*8]=\n h->ref_cache[list][scan8[0] + 1 - 1*8]= s->current_picture.ref_index[list][b8_xy + 0];\n h->ref_cache[list][scan8[0] + 2 - 1*8]=\n h->ref_cache[list][scan8[0] + 3 - 1*8]= s->current_picture.ref_index[list][b8_xy + 1];\n }else{\n *(uint32_t*)h->mv_cache [list][scan8[0] + 0 - 1*8]=\n *(uint32_t*)h->mv_cache [list][scan8[0] + 1 - 1*8]=\n *(uint32_t*)h->mv_cache [list][scan8[0] + 2 - 1*8]=\n *(uint32_t*)h->mv_cache [list][scan8[0] + 3 - 1*8]= 0;\n *(uint32_t*)&h->ref_cache[list][scan8[0] + 0 - 1*8]= ((top_type ? LIST_NOT_USED : PART_NOT_AVAILABLE)&0xFF)*0x01010101;\n }\n for(i=0; i<2; i++){\n int cache_idx = scan8[0] - 1 + i*2*8;\n if(USES_LIST(left_type[i], list)){\n const int b_xy= h->mb2b_xy[left_xy[i]] + 3;\n const int b8_xy= h->mb2b8_xy[left_xy[i]] + 1;\n *(uint32_t*)h->mv_cache[list][cache_idx ]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[0+i*2]];\n *(uint32_t*)h->mv_cache[list][cache_idx+8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[1+i*2]];\n h->ref_cache[list][cache_idx ]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[0+i*2]>>1)];\n h->ref_cache[list][cache_idx+8]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[1+i*2]>>1)];\n }else{\n *(uint32_t*)h->mv_cache [list][cache_idx ]=\n *(uint32_t*)h->mv_cache [list][cache_idx+8]= 0;\n h->ref_cache[list][cache_idx ]=\n h->ref_cache[list][cache_idx+8]= left_type[i] ? LIST_NOT_USED : PART_NOT_AVAILABLE;\n }\n }\n if(for_deblock || ((IS_DIRECT(mb_type) && !h->direct_spatial_mv_pred) && !FRAME_MBAFF))\n continue;\n if(USES_LIST(topleft_type, list)){\n const int b_xy = h->mb2b_xy[topleft_xy] + 3 + h->b_stride + (topleft_partition & 2*h->b_stride);\n const int b8_xy= h->mb2b8_xy[topleft_xy] + 1 + (topleft_partition & h->b8_stride);\n *(uint32_t*)h->mv_cache[list][scan8[0] - 1 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy];\n h->ref_cache[list][scan8[0] - 1 - 1*8]= s->current_picture.ref_index[list][b8_xy];\n }else{\n *(uint32_t*)h->mv_cache[list][scan8[0] - 1 - 1*8]= 0;\n h->ref_cache[list][scan8[0] - 1 - 1*8]= topleft_type ? LIST_NOT_USED : PART_NOT_AVAILABLE;\n }\n if(USES_LIST(topright_type, list)){\n const int b_xy= h->mb2b_xy[topright_xy] + 3*h->b_stride;\n const int b8_xy= h->mb2b8_xy[topright_xy] + h->b8_stride;\n *(uint32_t*)h->mv_cache[list][scan8[0] + 4 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy];\n h->ref_cache[list][scan8[0] + 4 - 1*8]= s->current_picture.ref_index[list][b8_xy];\n }else{\n *(uint32_t*)h->mv_cache [list][scan8[0] + 4 - 1*8]= 0;\n h->ref_cache[list][scan8[0] + 4 - 1*8]= topright_type ? LIST_NOT_USED : PART_NOT_AVAILABLE;\n }\n if((IS_SKIP(mb_type) || IS_DIRECT(mb_type)) && !FRAME_MBAFF)\n continue;\n h->ref_cache[list][scan8[5 ]+1] =\n h->ref_cache[list][scan8[7 ]+1] =\n h->ref_cache[list][scan8[13]+1] =\n h->ref_cache[list][scan8[4 ]] =\n h->ref_cache[list][scan8[12]] = PART_NOT_AVAILABLE;\n *(uint32_t*)h->mv_cache [list][scan8[5 ]+1]=\n *(uint32_t*)h->mv_cache [list][scan8[7 ]+1]=\n *(uint32_t*)h->mv_cache [list][scan8[13]+1]=\n *(uint32_t*)h->mv_cache [list][scan8[4 ]]=\n *(uint32_t*)h->mv_cache [list][scan8[12]]= 0;\n if( h->pps.cabac ) {\n if(USES_LIST(top_type, list)){\n const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride;\n *(uint32_t*)h->mvd_cache[list][scan8[0] + 0 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 0];\n *(uint32_t*)h->mvd_cache[list][scan8[0] + 1 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 1];\n *(uint32_t*)h->mvd_cache[list][scan8[0] + 2 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 2];\n *(uint32_t*)h->mvd_cache[list][scan8[0] + 3 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 3];\n }else{\n *(uint32_t*)h->mvd_cache [list][scan8[0] + 0 - 1*8]=\n *(uint32_t*)h->mvd_cache [list][scan8[0] + 1 - 1*8]=\n *(uint32_t*)h->mvd_cache [list][scan8[0] + 2 - 1*8]=\n *(uint32_t*)h->mvd_cache [list][scan8[0] + 3 - 1*8]= 0;\n }\n if(USES_LIST(left_type[0], list)){\n const int b_xy= h->mb2b_xy[left_xy[0]] + 3;\n *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 0*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[0]];\n *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[1]];\n }else{\n *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 0*8]=\n *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 1*8]= 0;\n }\n if(USES_LIST(left_type[1], list)){\n const int b_xy= h->mb2b_xy[left_xy[1]] + 3;\n *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 2*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[2]];\n *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 3*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[3]];\n }else{\n *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 2*8]=\n *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 3*8]= 0;\n }\n *(uint32_t*)h->mvd_cache [list][scan8[5 ]+1]=\n *(uint32_t*)h->mvd_cache [list][scan8[7 ]+1]=\n *(uint32_t*)h->mvd_cache [list][scan8[13]+1]=\n *(uint32_t*)h->mvd_cache [list][scan8[4 ]]=\n *(uint32_t*)h->mvd_cache [list][scan8[12]]= 0;\n if(h->slice_type_nos == FF_B_TYPE){\n fill_rectangle(&h->direct_cache[scan8[0]], 4, 4, 8, 0, 1);\n if(IS_DIRECT(top_type)){\n *(uint32_t*)&h->direct_cache[scan8[0] - 1*8]= 0x01010101;\n }else if(IS_8X8(top_type)){\n int b8_xy = h->mb2b8_xy[top_xy] + h->b8_stride;\n h->direct_cache[scan8[0] + 0 - 1*8]= h->direct_table[b8_xy];\n h->direct_cache[scan8[0] + 2 - 1*8]= h->direct_table[b8_xy + 1];\n }else{\n *(uint32_t*)&h->direct_cache[scan8[0] - 1*8]= 0;\n }\n if(IS_DIRECT(left_type[0]))\n h->direct_cache[scan8[0] - 1 + 0*8]= 1;\n else if(IS_8X8(left_type[0]))\n h->direct_cache[scan8[0] - 1 + 0*8]= h->direct_table[h->mb2b8_xy[left_xy[0]] + 1 + h->b8_stride*(left_block[0]>>1)];\n else\n h->direct_cache[scan8[0] - 1 + 0*8]= 0;\n if(IS_DIRECT(left_type[1]))\n h->direct_cache[scan8[0] - 1 + 2*8]= 1;\n else if(IS_8X8(left_type[1]))\n h->direct_cache[scan8[0] - 1 + 2*8]= h->direct_table[h->mb2b8_xy[left_xy[1]] + 1 + h->b8_stride*(left_block[2]>>1)];\n else\n h->direct_cache[scan8[0] - 1 + 2*8]= 0;\n }\n }\n if(FRAME_MBAFF){\n#define MAP_MVS\\\n MAP_F2F(scan8[0] - 1 - 1*8, topleft_type)\\\n MAP_F2F(scan8[0] + 0 - 1*8, top_type)\\\n MAP_F2F(scan8[0] + 1 - 1*8, top_type)\\\n MAP_F2F(scan8[0] + 2 - 1*8, top_type)\\\n MAP_F2F(scan8[0] + 3 - 1*8, top_type)\\\n MAP_F2F(scan8[0] + 4 - 1*8, topright_type)\\\n MAP_F2F(scan8[0] - 1 + 0*8, left_type[0])\\\n MAP_F2F(scan8[0] - 1 + 1*8, left_type[0])\\\n MAP_F2F(scan8[0] - 1 + 2*8, left_type[1])\\\n MAP_F2F(scan8[0] - 1 + 3*8, left_type[1])\n if(MB_FIELD){\n#define MAP_F2F(idx, mb_type)\\\n if(!IS_INTERLACED(mb_type) && h->ref_cache[list][idx] >= 0){\\\n h->ref_cache[list][idx] <<= 1;\\\n h->mv_cache[list][idx][1] /= 2;\\\n h->mvd_cache[list][idx][1] /= 2;\\\n }\n MAP_MVS\n#undef MAP_F2F\n }else{\n#define MAP_F2F(idx, mb_type)\\\n if(IS_INTERLACED(mb_type) && h->ref_cache[list][idx] >= 0){\\\n h->ref_cache[list][idx] >>= 1;\\\n h->mv_cache[list][idx][1] <<= 1;\\\n h->mvd_cache[list][idx][1] <<= 1;\\\n }\n MAP_MVS\n#undef MAP_F2F\n }\n }\n }\n }\n#endif\n h->neighbor_transform_size= !!IS_8x8DCT(top_type) + !!IS_8x8DCT(left_type[0]);\n}'] |
21,063 | 0 | https://github.com/openssl/openssl/blob/69588edbaa424beb71c6a9b1be416588232cb78c/crypto/err/err.c/#L772 | int ERR_set_mark(void)
{
ERR_STATE *es;
es = ERR_get_state();
if (es->bottom == es->top)
return 0;
es->err_flags[es->top] |= ERR_FLAG_MARK;
return 1;
} | ['int ERR_set_mark(void)\n{\n ERR_STATE *es;\n es = ERR_get_state();\n if (es->bottom == es->top)\n return 0;\n es->err_flags[es->top] |= ERR_FLAG_MARK;\n return 1;\n}', 'ERR_STATE *ERR_get_state(void)\n{\n ERR_STATE *state = NULL;\n if (!RUN_ONCE(&err_init, err_do_init))\n return NULL;\n state = CRYPTO_THREAD_get_local(&err_thread_local);\n if (state == NULL) {\n state = OPENSSL_zalloc(sizeof(*state));\n if (state == NULL)\n return NULL;\n if (!CRYPTO_THREAD_set_local(&err_thread_local, state)) {\n ERR_STATE_free(state);\n return NULL;\n }\n OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL);\n ossl_init_thread_start(OPENSSL_INIT_THREAD_ERR_STATE);\n }\n return state;\n}', 'int CRYPTO_THREAD_run_once(CRYPTO_ONCE *once, void (*init)(void))\n{\n if (pthread_once(once, init) != 0)\n return 0;\n return 1;\n}', 'void *CRYPTO_THREAD_get_local(CRYPTO_THREAD_LOCAL *key)\n{\n return pthread_getspecific(*key);\n}', 'void *CRYPTO_zalloc(size_t num, const char *file, int line)\n{\n void *ret = CRYPTO_malloc(num, file, line);\n if (ret != NULL)\n memset(ret, 0, num);\n return ret;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)\n return malloc_impl(num, file, line);\n if (num <= 0)\n return NULL;\n allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n osslargused(file); osslargused(line);\n ret = malloc(num);\n#endif\n return ret;\n}', 'int CRYPTO_THREAD_set_local(CRYPTO_THREAD_LOCAL *key, void *val)\n{\n if (pthread_setspecific(*key, val) != 0)\n return 0;\n return 1;\n}'] |
21,064 | 0 | https://github.com/openssl/openssl/blob/d40a1b865fddc3d67f8c06ff1f1466fad331c8f7/crypto/bn/bn_lib.c/#L250 | int BN_num_bits(const BIGNUM *a)
{
int i = a->top - 1;
bn_check_top(a);
if (BN_is_zero(a)) return 0;
return ((i*BN_BITS2) + BN_num_bits_word(a->d[i]));
} | ['int dtls1_accept(SSL *s)\n\t{\n\tBUF_MEM *buf;\n\tunsigned long Time=(unsigned long)time(NULL);\n\tvoid (*cb)(const SSL *ssl,int type,int val)=NULL;\n\tlong num1;\n\tunsigned long alg_k;\n\tint ret= -1;\n\tint new_state,state,skip=0;\n\tRAND_add(&Time,sizeof(Time),0);\n\tERR_clear_error();\n\tclear_sys_error();\n\tif (s->info_callback != NULL)\n\t\tcb=s->info_callback;\n\telse if (s->ctx->info_callback != NULL)\n\t\tcb=s->ctx->info_callback;\n\ts->in_handshake++;\n\tif (!SSL_in_init(s) || SSL_in_before(s)) SSL_clear(s);\n\tif (s->cert == NULL)\n\t\t{\n\t\tSSLerr(SSL_F_DTLS1_ACCEPT,SSL_R_NO_CERTIFICATE_SET);\n\t\treturn(-1);\n\t\t}\n\tfor (;;)\n\t\t{\n\t\tstate=s->state;\n\t\tswitch (s->state)\n\t\t\t{\n\t\tcase SSL_ST_RENEGOTIATE:\n\t\t\ts->new_session=1;\n\t\tcase SSL_ST_BEFORE:\n\t\tcase SSL_ST_ACCEPT:\n\t\tcase SSL_ST_BEFORE|SSL_ST_ACCEPT:\n\t\tcase SSL_ST_OK|SSL_ST_ACCEPT:\n\t\t\ts->server=1;\n\t\t\tif (cb != NULL) cb(s,SSL_CB_HANDSHAKE_START,1);\n\t\t\tif ((s->version & 0xff00) != (DTLS1_VERSION & 0xff00))\n\t\t\t\t{\n\t\t\t\tSSLerr(SSL_F_DTLS1_ACCEPT, ERR_R_INTERNAL_ERROR);\n\t\t\t\treturn -1;\n\t\t\t\t}\n\t\t\ts->type=SSL_ST_ACCEPT;\n\t\t\tif (s->init_buf == NULL)\n\t\t\t\t{\n\t\t\t\tif ((buf=BUF_MEM_new()) == NULL)\n\t\t\t\t\t{\n\t\t\t\t\tret= -1;\n\t\t\t\t\tgoto end;\n\t\t\t\t\t}\n\t\t\t\tif (!BUF_MEM_grow(buf,SSL3_RT_MAX_PLAIN_LENGTH))\n\t\t\t\t\t{\n\t\t\t\t\tret= -1;\n\t\t\t\t\tgoto end;\n\t\t\t\t\t}\n\t\t\t\ts->init_buf=buf;\n\t\t\t\t}\n\t\t\tif (!ssl3_setup_buffers(s))\n\t\t\t\t{\n\t\t\t\tret= -1;\n\t\t\t\tgoto end;\n\t\t\t\t}\n\t\t\ts->init_num=0;\n\t\t\tif (s->state != SSL_ST_RENEGOTIATE)\n\t\t\t\t{\n\t\t\t\tif (!ssl_init_wbio_buffer(s,1)) { ret= -1; goto end; }\n\t\t\t\tssl3_init_finished_mac(s);\n\t\t\t\ts->state=SSL3_ST_SR_CLNT_HELLO_A;\n\t\t\t\ts->ctx->stats.sess_accept++;\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\ts->ctx->stats.sess_accept_renegotiate++;\n\t\t\t\ts->state=SSL3_ST_SW_HELLO_REQ_A;\n\t\t\t\t}\n\t\t\tif ( (SSL_get_options(s) & SSL_OP_COOKIE_EXCHANGE))\n\t\t\t\ts->d1->send_cookie = 1;\n\t\t\telse\n\t\t\t\ts->d1->send_cookie = 0;\n\t\t\tbreak;\n\t\tcase SSL3_ST_SW_HELLO_REQ_A:\n\t\tcase SSL3_ST_SW_HELLO_REQ_B:\n\t\t\ts->shutdown=0;\n\t\t\tret=dtls1_send_hello_request(s);\n\t\t\tif (ret <= 0) goto end;\n\t\t\ts->s3->tmp.next_state=SSL3_ST_SW_HELLO_REQ_C;\n\t\t\ts->state=SSL3_ST_SW_FLUSH;\n\t\t\ts->init_num=0;\n\t\t\tssl3_init_finished_mac(s);\n\t\t\tbreak;\n\t\tcase SSL3_ST_SW_HELLO_REQ_C:\n\t\t\ts->state=SSL_ST_OK;\n\t\t\tbreak;\n\t\tcase SSL3_ST_SR_CLNT_HELLO_A:\n\t\tcase SSL3_ST_SR_CLNT_HELLO_B:\n\t\tcase SSL3_ST_SR_CLNT_HELLO_C:\n\t\t\ts->shutdown=0;\n\t\t\tret=ssl3_get_client_hello(s);\n\t\t\tif (ret <= 0) goto end;\n\t\t\ts->new_session = 2;\n\t\t\tif (s->d1->send_cookie)\n\t\t\t\ts->state = DTLS1_ST_SW_HELLO_VERIFY_REQUEST_A;\n\t\t\telse\n\t\t\t\ts->state = SSL3_ST_SW_SRVR_HELLO_A;\n\t\t\ts->init_num=0;\n\t\t\tbreak;\n\t\tcase DTLS1_ST_SW_HELLO_VERIFY_REQUEST_A:\n\t\tcase DTLS1_ST_SW_HELLO_VERIFY_REQUEST_B:\n\t\t\tret = dtls1_send_hello_verify_request(s);\n\t\t\tif ( ret <= 0) goto end;\n\t\t\ts->d1->send_cookie = 0;\n\t\t\ts->state=SSL3_ST_SW_FLUSH;\n\t\t\ts->s3->tmp.next_state=SSL3_ST_SR_CLNT_HELLO_A;\n\t\t\tssl3_init_finished_mac(s);\n\t\t\tbreak;\n\t\tcase SSL3_ST_SW_SRVR_HELLO_A:\n\t\tcase SSL3_ST_SW_SRVR_HELLO_B:\n\t\t\tret=dtls1_send_server_hello(s);\n\t\t\tif (ret <= 0) goto end;\n\t\t\tif (s->hit)\n\t\t\t\ts->state=SSL3_ST_SW_CHANGE_A;\n\t\t\telse\n\t\t\t\ts->state=SSL3_ST_SW_CERT_A;\n\t\t\ts->init_num=0;\n\t\t\tbreak;\n\t\tcase SSL3_ST_SW_CERT_A:\n\t\tcase SSL3_ST_SW_CERT_B:\n\t\t\tif (!(s->s3->tmp.new_cipher->algorithm_auth & SSL_aNULL))\n\t\t\t\t{\n\t\t\t\tret=dtls1_send_server_certificate(s);\n\t\t\t\tif (ret <= 0) goto end;\n\t\t\t\t}\n\t\t\telse\n\t\t\t\tskip=1;\n\t\t\ts->state=SSL3_ST_SW_KEY_EXCH_A;\n\t\t\ts->init_num=0;\n\t\t\tbreak;\n\t\tcase SSL3_ST_SW_KEY_EXCH_A:\n\t\tcase SSL3_ST_SW_KEY_EXCH_B:\n\t\t\talg_k = s->s3->tmp.new_cipher->algorithm_mkey;\n\t\t\tif ((s->options & SSL_OP_EPHEMERAL_RSA)\n#ifndef OPENSSL_NO_KRB5\n\t\t\t\t&& !(alg_k & SSL_kKRB5)\n#endif\n\t\t\t\t)\n\t\t\t\ts->s3->tmp.use_rsa_tmp=1;\n\t\t\telse\n\t\t\t\ts->s3->tmp.use_rsa_tmp=0;\n\t\t\tif (s->s3->tmp.use_rsa_tmp\n\t\t\t || (alg_k & (SSL_kEDH|SSL_kDHr|SSL_kDHd))\n\t\t\t || ((alg_k & SSL_kRSA)\n\t\t\t\t&& (s->cert->pkeys[SSL_PKEY_RSA_ENC].privatekey == NULL\n\t\t\t\t || (SSL_C_IS_EXPORT(s->s3->tmp.new_cipher)\n\t\t\t\t\t&& EVP_PKEY_size(s->cert->pkeys[SSL_PKEY_RSA_ENC].privatekey)*8 > SSL_C_EXPORT_PKEYLENGTH(s->s3->tmp.new_cipher)\n\t\t\t\t\t)\n\t\t\t\t )\n\t\t\t\t)\n\t\t\t )\n\t\t\t\t{\n\t\t\t\tret=dtls1_send_server_key_exchange(s);\n\t\t\t\tif (ret <= 0) goto end;\n\t\t\t\t}\n\t\t\telse\n\t\t\t\tskip=1;\n\t\t\ts->state=SSL3_ST_SW_CERT_REQ_A;\n\t\t\ts->init_num=0;\n\t\t\tbreak;\n\t\tcase SSL3_ST_SW_CERT_REQ_A:\n\t\tcase SSL3_ST_SW_CERT_REQ_B:\n\t\t\tif (\n\t\t\t\t!(s->verify_mode & SSL_VERIFY_PEER) ||\n\t\t\t\t((s->session->peer != NULL) &&\n\t\t\t\t (s->verify_mode & SSL_VERIFY_CLIENT_ONCE)) ||\n\t\t\t\t((s->s3->tmp.new_cipher->algorithm_auth & SSL_aNULL) &&\n\t\t\t\t !(s->verify_mode & SSL_VERIFY_FAIL_IF_NO_PEER_CERT)) ||\n\t\t\t\t(s->s3->tmp.new_cipher->algorithm_auth & SSL_aKRB5))\n\t\t\t\t{\n\t\t\t\tskip=1;\n\t\t\t\ts->s3->tmp.cert_request=0;\n\t\t\t\ts->state=SSL3_ST_SW_SRVR_DONE_A;\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\ts->s3->tmp.cert_request=1;\n\t\t\t\tret=dtls1_send_certificate_request(s);\n\t\t\t\tif (ret <= 0) goto end;\n#ifndef NETSCAPE_HANG_BUG\n\t\t\t\ts->state=SSL3_ST_SW_SRVR_DONE_A;\n#else\n\t\t\t\ts->state=SSL3_ST_SW_FLUSH;\n\t\t\t\ts->s3->tmp.next_state=SSL3_ST_SR_CERT_A;\n#endif\n\t\t\t\ts->init_num=0;\n\t\t\t\t}\n\t\t\tbreak;\n\t\tcase SSL3_ST_SW_SRVR_DONE_A:\n\t\tcase SSL3_ST_SW_SRVR_DONE_B:\n\t\t\tret=dtls1_send_server_done(s);\n\t\t\tif (ret <= 0) goto end;\n\t\t\ts->s3->tmp.next_state=SSL3_ST_SR_CERT_A;\n\t\t\ts->state=SSL3_ST_SW_FLUSH;\n\t\t\ts->init_num=0;\n\t\t\tbreak;\n\t\tcase SSL3_ST_SW_FLUSH:\n\t\t\tnum1=BIO_ctrl(s->wbio,BIO_CTRL_INFO,0,NULL);\n\t\t\tif (num1 > 0)\n\t\t\t\t{\n\t\t\t\ts->rwstate=SSL_WRITING;\n\t\t\t\tnum1=BIO_flush(s->wbio);\n\t\t\t\tif (num1 <= 0) { ret= -1; goto end; }\n\t\t\t\ts->rwstate=SSL_NOTHING;\n\t\t\t\t}\n\t\t\ts->state=s->s3->tmp.next_state;\n\t\t\tbreak;\n\t\tcase SSL3_ST_SR_CERT_A:\n\t\tcase SSL3_ST_SR_CERT_B:\n\t\t\tret = ssl3_check_client_hello(s);\n\t\t\tif (ret <= 0)\n\t\t\t\tgoto end;\n\t\t\tif (ret == 2)\n\t\t\t\ts->state = SSL3_ST_SR_CLNT_HELLO_C;\n\t\t\telse {\n\t\t\t\tret=ssl3_get_client_certificate(s);\n\t\t\t\tif (ret <= 0) goto end;\n\t\t\t\ts->init_num=0;\n\t\t\t\ts->state=SSL3_ST_SR_KEY_EXCH_A;\n\t\t\t}\n\t\t\tbreak;\n\t\tcase SSL3_ST_SR_KEY_EXCH_A:\n\t\tcase SSL3_ST_SR_KEY_EXCH_B:\n\t\t\tret=ssl3_get_client_key_exchange(s);\n\t\t\tif (ret <= 0) goto end;\n\t\t\ts->state=SSL3_ST_SR_CERT_VRFY_A;\n\t\t\ts->init_num=0;\n\t\t\ts->method->ssl3_enc->cert_verify_mac(s,\n\t\t\t\tNID_md5,\n\t\t\t\t&(s->s3->tmp.cert_verify_md[0]));\n\t\t\ts->method->ssl3_enc->cert_verify_mac(s,\n\t\t\t\tNID_sha1,\n\t\t\t\t&(s->s3->tmp.cert_verify_md[MD5_DIGEST_LENGTH]));\n\t\t\tbreak;\n\t\tcase SSL3_ST_SR_CERT_VRFY_A:\n\t\tcase SSL3_ST_SR_CERT_VRFY_B:\n\t\t\tret=ssl3_get_cert_verify(s);\n\t\t\tif (ret <= 0) goto end;\n\t\t\ts->state=SSL3_ST_SR_FINISHED_A;\n\t\t\ts->init_num=0;\n\t\t\tbreak;\n\t\tcase SSL3_ST_SR_FINISHED_A:\n\t\tcase SSL3_ST_SR_FINISHED_B:\n\t\t\tret=ssl3_get_finished(s,SSL3_ST_SR_FINISHED_A,\n\t\t\t\tSSL3_ST_SR_FINISHED_B);\n\t\t\tif (ret <= 0) goto end;\n\t\t\tif (s->hit)\n\t\t\t\ts->state=SSL_ST_OK;\n\t\t\telse\n\t\t\t\ts->state=SSL3_ST_SW_CHANGE_A;\n\t\t\ts->init_num=0;\n\t\t\tbreak;\n\t\tcase SSL3_ST_SW_CHANGE_A:\n\t\tcase SSL3_ST_SW_CHANGE_B:\n\t\t\ts->session->cipher=s->s3->tmp.new_cipher;\n\t\t\tif (!s->method->ssl3_enc->setup_key_block(s))\n\t\t\t\t{ ret= -1; goto end; }\n\t\t\tret=dtls1_send_change_cipher_spec(s,\n\t\t\t\tSSL3_ST_SW_CHANGE_A,SSL3_ST_SW_CHANGE_B);\n\t\t\tif (ret <= 0) goto end;\n\t\t\ts->state=SSL3_ST_SW_FINISHED_A;\n\t\t\ts->init_num=0;\n\t\t\tif (!s->method->ssl3_enc->change_cipher_state(s,\n\t\t\t\tSSL3_CHANGE_CIPHER_SERVER_WRITE))\n\t\t\t\t{\n\t\t\t\tret= -1;\n\t\t\t\tgoto end;\n\t\t\t\t}\n\t\t\tdtls1_reset_seq_numbers(s, SSL3_CC_WRITE);\n\t\t\tbreak;\n\t\tcase SSL3_ST_SW_FINISHED_A:\n\t\tcase SSL3_ST_SW_FINISHED_B:\n\t\t\tret=dtls1_send_finished(s,\n\t\t\t\tSSL3_ST_SW_FINISHED_A,SSL3_ST_SW_FINISHED_B,\n\t\t\t\ts->method->ssl3_enc->server_finished_label,\n\t\t\t\ts->method->ssl3_enc->server_finished_label_len);\n\t\t\tif (ret <= 0) goto end;\n\t\t\ts->state=SSL3_ST_SW_FLUSH;\n\t\t\tif (s->hit)\n\t\t\t\ts->s3->tmp.next_state=SSL3_ST_SR_FINISHED_A;\n\t\t\telse\n\t\t\t\ts->s3->tmp.next_state=SSL_ST_OK;\n\t\t\ts->init_num=0;\n\t\t\tbreak;\n\t\tcase SSL_ST_OK:\n\t\t\tssl3_cleanup_key_block(s);\n#if 0\n\t\t\tBUF_MEM_free(s->init_buf);\n\t\t\ts->init_buf=NULL;\n#endif\n\t\t\tssl_free_wbio_buffer(s);\n\t\t\ts->init_num=0;\n\t\t\tif (s->new_session == 2)\n\t\t\t\t{\n\t\t\t\ts->new_session=0;\n\t\t\t\tssl_update_cache(s,SSL_SESS_CACHE_SERVER);\n\t\t\t\ts->ctx->stats.sess_accept_good++;\n\t\t\t\ts->handshake_func=dtls1_accept;\n\t\t\t\tif (cb != NULL) cb(s,SSL_CB_HANDSHAKE_DONE,1);\n\t\t\t\t}\n\t\t\tret = 1;\n\t\t\ts->d1->handshake_read_seq = 0;\n\t\t\ts->d1->handshake_write_seq = 0;\n\t\t\tgoto end;\n\t\tdefault:\n\t\t\tSSLerr(SSL_F_DTLS1_ACCEPT,SSL_R_UNKNOWN_STATE);\n\t\t\tret= -1;\n\t\t\tgoto end;\n\t\t\t}\n\t\tif (!s->s3->tmp.reuse_message && !skip)\n\t\t\t{\n\t\t\tif (s->debug)\n\t\t\t\t{\n\t\t\t\tif ((ret=BIO_flush(s->wbio)) <= 0)\n\t\t\t\t\tgoto end;\n\t\t\t\t}\n\t\t\tif ((cb != NULL) && (s->state != state))\n\t\t\t\t{\n\t\t\t\tnew_state=s->state;\n\t\t\t\ts->state=state;\n\t\t\t\tcb(s,SSL_CB_ACCEPT_LOOP,1);\n\t\t\t\ts->state=new_state;\n\t\t\t\t}\n\t\t\t}\n\t\tskip=0;\n\t\t}\nend:\n\ts->in_handshake--;\n\tif (cb != NULL)\n\t\tcb(s,SSL_CB_ACCEPT_EXIT,ret);\n\treturn(ret);\n\t}', 'int dtls1_send_server_certificate(SSL *s)\n\t{\n\tunsigned long l;\n\tX509 *x;\n\tif (s->state == SSL3_ST_SW_CERT_A)\n\t\t{\n\t\tx=ssl_get_server_send_cert(s);\n\t\tif (x == NULL)\n\t\t\t{\n\t\t\tif ((s->s3->tmp.new_cipher->algorithm_mkey != SSL_kKRB5) ||\n\t\t\t (s->s3->tmp.new_cipher->algorithm_auth != SSL_aKRB5))\n\t\t\t\t{\n\t\t\t\tSSLerr(SSL_F_DTLS1_SEND_SERVER_CERTIFICATE,ERR_R_INTERNAL_ERROR);\n\t\t\t\treturn(0);\n\t\t\t\t}\n\t\t\t}\n\t\tl=dtls1_output_cert_chain(s,x);\n\t\ts->state=SSL3_ST_SW_CERT_B;\n\t\ts->init_num=(int)l;\n\t\ts->init_off=0;\n\t\tdtls1_buffer_message(s, 0);\n\t\t}\n\treturn(dtls1_do_write(s,SSL3_RT_HANDSHAKE));\n\t}', 'X509 *ssl_get_server_send_cert(SSL *s)\n\t{\n\tunsigned long alg_k,alg_a,mask_k,mask_a;\n\tCERT *c;\n\tint i,is_export;\n\tc=s->cert;\n\tssl_set_cert_masks(c, s->s3->tmp.new_cipher);\n\tis_export=SSL_C_IS_EXPORT(s->s3->tmp.new_cipher);\n\tif (is_export)\n\t\t{\n\t\tmask_k = c->export_mask_k;\n\t\tmask_a = c->export_mask_a;\n\t\t}\n\telse\n\t\t{\n\t\tmask_k = c->mask_k;\n\t\tmask_a = c->mask_a;\n\t\t}\n\talg_k = s->s3->tmp.new_cipher->algorithm_mkey;\n\talg_a = s->s3->tmp.new_cipher->algorithm_auth;\n\tif (alg_k & (SSL_kECDHr|SSL_kECDHe))\n\t\t{\n\t\ti=SSL_PKEY_ECC;\n\t\t}\n\telse if (alg_a & SSL_aECDSA)\n\t\t{\n\t\ti=SSL_PKEY_ECC;\n\t\t}\n\telse if (alg_k & SSL_kDHr)\n\t\ti=SSL_PKEY_DH_RSA;\n\telse if (alg_k & SSL_kDHd)\n\t\ti=SSL_PKEY_DH_DSA;\n\telse if (alg_a & SSL_aDSS)\n\t\ti=SSL_PKEY_DSA_SIGN;\n\telse if (alg_a & SSL_aRSA)\n\t\t{\n\t\tif (c->pkeys[SSL_PKEY_RSA_ENC].x509 == NULL)\n\t\t\ti=SSL_PKEY_RSA_SIGN;\n\t\telse\n\t\t\ti=SSL_PKEY_RSA_ENC;\n\t\t}\n\telse if (alg_a & SSL_aKRB5)\n\t\t{\n\t\treturn(NULL);\n\t\t}\n\telse if (alg_a & SSL_aGOST94)\n\t\ti=SSL_PKEY_GOST94;\n\telse if (alg_a & SSL_aGOST01)\n\t\ti=SSL_PKEY_GOST01;\n\telse\n\t\t{\n\t\tSSLerr(SSL_F_SSL_GET_SERVER_SEND_CERT,ERR_R_INTERNAL_ERROR);\n\t\treturn(NULL);\n\t\t}\n\tif (c->pkeys[i].x509 == NULL) return(NULL);\n\treturn(c->pkeys[i].x509);\n\t}', 'void ssl_set_cert_masks(CERT *c, const SSL_CIPHER *cipher)\n\t{\n\tCERT_PKEY *cpk;\n\tint rsa_enc,rsa_tmp,rsa_sign,dh_tmp,dh_rsa,dh_dsa,dsa_sign;\n\tint rsa_enc_export,dh_rsa_export,dh_dsa_export;\n\tint rsa_tmp_export,dh_tmp_export,kl;\n\tunsigned long mask_k,mask_a,emask_k,emask_a;\n\tint have_ecc_cert, ecdh_ok, ecdsa_ok, ecc_pkey_size;\n#ifndef OPENSSL_NO_ECDH\n\tint have_ecdh_tmp;\n#endif\n\tX509 *x = NULL;\n\tEVP_PKEY *ecc_pkey = NULL;\n\tint signature_nid = 0;\n\tif (c == NULL) return;\n\tkl=SSL_C_EXPORT_PKEYLENGTH(cipher);\n#ifndef OPENSSL_NO_RSA\n\trsa_tmp=(c->rsa_tmp != NULL || c->rsa_tmp_cb != NULL);\n\trsa_tmp_export=(c->rsa_tmp_cb != NULL ||\n\t\t(rsa_tmp && RSA_size(c->rsa_tmp)*8 <= kl));\n#else\n\trsa_tmp=rsa_tmp_export=0;\n#endif\n#ifndef OPENSSL_NO_DH\n\tdh_tmp=(c->dh_tmp != NULL || c->dh_tmp_cb != NULL);\n\tdh_tmp_export=(c->dh_tmp_cb != NULL ||\n\t\t(dh_tmp && DH_size(c->dh_tmp)*8 <= kl));\n#else\n\tdh_tmp=dh_tmp_export=0;\n#endif\n#ifndef OPENSSL_NO_ECDH\n\thave_ecdh_tmp=(c->ecdh_tmp != NULL || c->ecdh_tmp_cb != NULL);\n#endif\n\tcpk= &(c->pkeys[SSL_PKEY_RSA_ENC]);\n\trsa_enc= (cpk->x509 != NULL && cpk->privatekey != NULL);\n\trsa_enc_export=(rsa_enc && EVP_PKEY_size(cpk->privatekey)*8 <= kl);\n\tcpk= &(c->pkeys[SSL_PKEY_RSA_SIGN]);\n\trsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL);\n\tcpk= &(c->pkeys[SSL_PKEY_DSA_SIGN]);\n\tdsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL);\n\tcpk= &(c->pkeys[SSL_PKEY_DH_RSA]);\n\tdh_rsa= (cpk->x509 != NULL && cpk->privatekey != NULL);\n\tdh_rsa_export=(dh_rsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl);\n\tcpk= &(c->pkeys[SSL_PKEY_DH_DSA]);\n\tdh_dsa= (cpk->x509 != NULL && cpk->privatekey != NULL);\n\tdh_dsa_export=(dh_dsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl);\n\tcpk= &(c->pkeys[SSL_PKEY_ECC]);\n\thave_ecc_cert= (cpk->x509 != NULL && cpk->privatekey != NULL);\n\tmask_k=0;\n\tmask_a=0;\n\temask_k=0;\n\temask_a=0;\n#ifdef CIPHER_DEBUG\n\tprintf("rt=%d rte=%d dht=%d ecdht=%d re=%d ree=%d rs=%d ds=%d dhr=%d dhd=%d\\n",\n\t rsa_tmp,rsa_tmp_export,dh_tmp,have_ecdh_tmp,\n\t\trsa_enc,rsa_enc_export,rsa_sign,dsa_sign,dh_rsa,dh_dsa);\n#endif\n\tcpk = &(c->pkeys[SSL_PKEY_GOST01]);\n\tif (cpk->x509 != NULL && cpk->privatekey !=NULL) {\n\t\tmask_k |= SSL_kGOST;\n\t\tmask_a |= SSL_aGOST01;\n\t}\n\tcpk = &(c->pkeys[SSL_PKEY_GOST94]);\n\tif (cpk->x509 != NULL && cpk->privatekey !=NULL) {\n\t\tmask_k |= SSL_kGOST;\n\t\tmask_a |= SSL_aGOST94;\n\t}\n\tif (rsa_enc || (rsa_tmp && rsa_sign))\n\t\tmask_k|=SSL_kRSA;\n\tif (rsa_enc_export || (rsa_tmp_export && (rsa_sign || rsa_enc)))\n\t\temask_k|=SSL_kRSA;\n#if 0\n\tif (\t(dh_tmp || dh_rsa || dh_dsa) &&\n\t\t(rsa_enc || rsa_sign || dsa_sign))\n\t\tmask_k|=SSL_kEDH;\n\tif ((dh_tmp_export || dh_rsa_export || dh_dsa_export) &&\n\t\t(rsa_enc || rsa_sign || dsa_sign))\n\t\temask_k|=SSL_kEDH;\n#endif\n\tif (dh_tmp_export)\n\t\temask_k|=SSL_kEDH;\n\tif (dh_tmp)\n\t\tmask_k|=SSL_kEDH;\n\tif (dh_rsa) mask_k|=SSL_kDHr;\n\tif (dh_rsa_export) emask_k|=SSL_kDHr;\n\tif (dh_dsa) mask_k|=SSL_kDHd;\n\tif (dh_dsa_export) emask_k|=SSL_kDHd;\n\tif (rsa_enc || rsa_sign)\n\t\t{\n\t\tmask_a|=SSL_aRSA;\n\t\temask_a|=SSL_aRSA;\n\t\t}\n\tif (dsa_sign)\n\t\t{\n\t\tmask_a|=SSL_aDSS;\n\t\temask_a|=SSL_aDSS;\n\t\t}\n\tmask_a|=SSL_aNULL;\n\temask_a|=SSL_aNULL;\n#ifndef OPENSSL_NO_KRB5\n\tmask_k|=SSL_kKRB5;\n\tmask_a|=SSL_aKRB5;\n\temask_k|=SSL_kKRB5;\n\temask_a|=SSL_aKRB5;\n#endif\n\tif (have_ecc_cert)\n\t\t{\n\t\tx = (c->pkeys[SSL_PKEY_ECC]).x509;\n\t\tX509_check_purpose(x, -1, 0);\n\t\tecdh_ok = (x->ex_flags & EXFLAG_KUSAGE) ?\n\t\t (x->ex_kusage & X509v3_KU_KEY_AGREEMENT) : 1;\n\t\tecdsa_ok = (x->ex_flags & EXFLAG_KUSAGE) ?\n\t\t (x->ex_kusage & X509v3_KU_DIGITAL_SIGNATURE) : 1;\n\t\tecc_pkey = X509_get_pubkey(x);\n\t\tecc_pkey_size = (ecc_pkey != NULL) ?\n\t\t EVP_PKEY_bits(ecc_pkey) : 0;\n\t\tEVP_PKEY_free(ecc_pkey);\n\t\tif ((x->sig_alg) && (x->sig_alg->algorithm))\n\t\t\tsignature_nid = OBJ_obj2nid(x->sig_alg->algorithm);\n#ifndef OPENSSL_NO_ECDH\n\t\tif (ecdh_ok)\n\t\t\t{\n\t\t\tconst char *sig = OBJ_nid2ln(signature_nid);\n\t\t\tif (sig == NULL)\n\t\t\t\t{\n\t\t\t\tERR_clear_error();\n\t\t\t\tsig = "unknown";\n\t\t\t\t}\n\t\t\tif (strstr(sig, "WithRSA"))\n\t\t\t\t{\n\t\t\t\tmask_k|=SSL_kECDHr;\n\t\t\t\tmask_a|=SSL_aECDH;\n\t\t\t\tif (ecc_pkey_size <= 163)\n\t\t\t\t\t{\n\t\t\t\t\temask_k|=SSL_kECDHr;\n\t\t\t\t\temask_a|=SSL_aECDH;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\tif (signature_nid == NID_ecdsa_with_SHA1)\n\t\t\t\t{\n\t\t\t\tmask_k|=SSL_kECDHe;\n\t\t\t\tmask_a|=SSL_aECDH;\n\t\t\t\tif (ecc_pkey_size <= 163)\n\t\t\t\t\t{\n\t\t\t\t\temask_k|=SSL_kECDHe;\n\t\t\t\t\temask_a|=SSL_aECDH;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n#endif\n#ifndef OPENSSL_NO_ECDSA\n\t\tif (ecdsa_ok)\n\t\t\t{\n\t\t\tmask_a|=SSL_aECDSA;\n\t\t\temask_a|=SSL_aECDSA;\n\t\t\t}\n#endif\n\t\t}\n#ifndef OPENSSL_NO_ECDH\n\tif (have_ecdh_tmp)\n\t\t{\n\t\tmask_k|=SSL_kEECDH;\n\t\temask_k|=SSL_kEECDH;\n\t\t}\n#endif\n#ifndef OPENSSL_NO_PSK\n\tmask_k |= SSL_kPSK;\n\tmask_a |= SSL_aPSK;\n\temask_k |= SSL_kPSK;\n\temask_a |= SSL_aPSK;\n#endif\n\tc->mask_k=mask_k;\n\tc->mask_a=mask_a;\n\tc->export_mask_k=emask_k;\n\tc->export_mask_a=emask_a;\n\tc->valid=1;\n\t}', 'int RSA_size(const RSA *r)\n\t{\n\treturn(BN_num_bytes(r->n));\n\t}', 'int BN_num_bits(const BIGNUM *a)\n\t{\n\tint i = a->top - 1;\n\tbn_check_top(a);\n\tif (BN_is_zero(a)) return 0;\n\treturn ((i*BN_BITS2) + BN_num_bits_word(a->d[i]));\n\t}'] |
21,065 | 0 | https://github.com/openssl/openssl/blob/b90506e995d44dee0ef4dd0324b56b59154256c2/ssl/packet.c/#L46 | int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
{
assert(pkt->subs != NULL && len != 0);
if (pkt->subs == NULL || len == 0)
return 0;
if (pkt->maxsize - pkt->written < len)
return 0;
if (pkt->buf->length - pkt->written < len) {
size_t newlen;
size_t reflen;
reflen = (len > pkt->buf->length) ? len : pkt->buf->length;
if (reflen > SIZE_MAX / 2) {
newlen = SIZE_MAX;
} else {
newlen = reflen * 2;
if (newlen < DEFAULT_BUF_SIZE)
newlen = DEFAULT_BUF_SIZE;
}
if (BUF_MEM_grow(pkt->buf, newlen) == 0)
return 0;
}
*allocbytes = (unsigned char *)pkt->buf->data + pkt->curr;
return 1;
} | ['int tls_construct_client_verify(SSL *s, WPACKET *pkt)\n{\n EVP_PKEY *pkey;\n const EVP_MD *md = s->s3->tmp.md[s->cert->key - s->cert->pkeys];\n EVP_MD_CTX *mctx = NULL;\n unsigned u = 0;\n long hdatalen = 0;\n void *hdata;\n unsigned char *sig = NULL;\n mctx = EVP_MD_CTX_new();\n if (mctx == NULL) {\n SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_VERIFY, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n pkey = s->cert->key->privatekey;\n hdatalen = BIO_get_mem_data(s->s3->handshake_buffer, &hdata);\n if (hdatalen <= 0) {\n SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_VERIFY, ERR_R_INTERNAL_ERROR);\n goto err;\n }\n if (SSL_USE_SIGALGS(s)&& !tls12_get_sigandhash(pkt, pkey, md)) {\n SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_VERIFY, ERR_R_INTERNAL_ERROR);\n goto err;\n }\n#ifdef SSL_DEBUG\n fprintf(stderr, "Using client alg %s\\n", EVP_MD_name(md));\n#endif\n sig = OPENSSL_malloc(EVP_PKEY_size(pkey));\n if (sig == NULL) {\n SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_VERIFY, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n if (!EVP_SignInit_ex(mctx, md, NULL)\n || !EVP_SignUpdate(mctx, hdata, hdatalen)\n || (s->version == SSL3_VERSION\n && !EVP_MD_CTX_ctrl(mctx, EVP_CTRL_SSL3_MASTER_SECRET,\n s->session->master_key_length,\n s->session->master_key))\n || !EVP_SignFinal(mctx, sig, &u, pkey)) {\n SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_VERIFY, ERR_R_EVP_LIB);\n goto err;\n }\n#ifndef OPENSSL_NO_GOST\n {\n int pktype = EVP_PKEY_id(pkey);\n if (pktype == NID_id_GostR3410_2001\n || pktype == NID_id_GostR3410_2012_256\n || pktype == NID_id_GostR3410_2012_512)\n BUF_reverse(sig, NULL, u);\n }\n#endif\n if (!WPACKET_sub_memcpy_u16(pkt, sig, u)) {\n SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_VERIFY, ERR_R_INTERNAL_ERROR);\n goto err;\n }\n if (!ssl3_digest_cached_records(s, 0))\n goto err;\n OPENSSL_free(sig);\n EVP_MD_CTX_free(mctx);\n return 1;\n err:\n OPENSSL_free(sig);\n EVP_MD_CTX_free(mctx);\n ssl3_send_alert(s, SSL3_AL_FATAL, SSL_AD_INTERNAL_ERROR);\n return 0;\n}', 'int WPACKET_sub_memcpy__(WPACKET *pkt, const void *src, size_t len,\n size_t lenbytes)\n{\n if (!WPACKET_start_sub_packet_len__(pkt, lenbytes)\n || !WPACKET_memcpy(pkt, src, len)\n || !WPACKET_close(pkt))\n return 0;\n return 1;\n}', 'int WPACKET_start_sub_packet_len__(WPACKET *pkt, size_t lenbytes)\n{\n WPACKET_SUB *sub;\n unsigned char *lenchars;\n assert(pkt->subs != NULL);\n if (pkt->subs == NULL)\n return 0;\n sub = OPENSSL_zalloc(sizeof(*sub));\n if (sub == NULL)\n return 0;\n sub->parent = pkt->subs;\n pkt->subs = sub;\n sub->pwritten = pkt->written + lenbytes;\n sub->lenbytes = lenbytes;\n if (lenbytes == 0) {\n sub->packet_len = 0;\n return 1;\n }\n if (!WPACKET_allocate_bytes(pkt, lenbytes, &lenchars))\n return 0;\n sub->packet_len = lenchars - (unsigned char *)pkt->buf->data;\n return 1;\n}', 'int WPACKET_memcpy(WPACKET *pkt, const void *src, size_t len)\n{\n unsigned char *dest;\n if (len == 0)\n return 1;\n if (!WPACKET_allocate_bytes(pkt, len, &dest))\n return 0;\n memcpy(dest, src, len);\n return 1;\n}', 'int WPACKET_allocate_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)\n{\n if (!WPACKET_reserve_bytes(pkt, len, allocbytes))\n return 0;\n pkt->written += len;\n pkt->curr += len;\n return 1;\n}', 'int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)\n{\n assert(pkt->subs != NULL && len != 0);\n if (pkt->subs == NULL || len == 0)\n return 0;\n if (pkt->maxsize - pkt->written < len)\n return 0;\n if (pkt->buf->length - pkt->written < len) {\n size_t newlen;\n size_t reflen;\n reflen = (len > pkt->buf->length) ? len : pkt->buf->length;\n if (reflen > SIZE_MAX / 2) {\n newlen = SIZE_MAX;\n } else {\n newlen = reflen * 2;\n if (newlen < DEFAULT_BUF_SIZE)\n newlen = DEFAULT_BUF_SIZE;\n }\n if (BUF_MEM_grow(pkt->buf, newlen) == 0)\n return 0;\n }\n *allocbytes = (unsigned char *)pkt->buf->data + pkt->curr;\n return 1;\n}'] |
21,066 | 0 | https://github.com/openssl/openssl/blob/305b68f1a2b6d4d0aa07a6ab47ac372f067a40bb/crypto/bn/bn_lib.c/#L290 | BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)
{
bn_check_top(b);
if (a == b)
return a;
if (bn_wexpand(a, b->top) == NULL)
return NULL;
if (b->top > 0)
memcpy(a->d, b->d, sizeof(b->d[0]) * b->top);
a->neg = b->neg;
a->top = b->top;
a->flags |= b->flags & BN_FLG_FIXED_TOP;
bn_check_top(a);
return a;
} | ['static int pkey_ec_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)\n{\n EC_PKEY_CTX *dctx, *sctx;\n if (!pkey_ec_init(dst))\n return 0;\n sctx = src->data;\n dctx = dst->data;\n if (sctx->gen_group) {\n dctx->gen_group = EC_GROUP_dup(sctx->gen_group);\n if (!dctx->gen_group)\n return 0;\n }\n dctx->md = sctx->md;\n if (sctx->co_key) {\n dctx->co_key = EC_KEY_dup(sctx->co_key);\n if (!dctx->co_key)\n return 0;\n }\n dctx->kdf_type = sctx->kdf_type;\n dctx->kdf_md = sctx->kdf_md;\n dctx->kdf_outlen = sctx->kdf_outlen;\n if (sctx->kdf_ukm) {\n dctx->kdf_ukm = OPENSSL_memdup(sctx->kdf_ukm, sctx->kdf_ukmlen);\n if (!dctx->kdf_ukm)\n return 0;\n } else\n dctx->kdf_ukm = NULL;\n dctx->kdf_ukmlen = sctx->kdf_ukmlen;\n return 1;\n}', 'EC_GROUP *EC_GROUP_dup(const EC_GROUP *a)\n{\n EC_GROUP *t = NULL;\n int ok = 0;\n if (a == NULL)\n return NULL;\n if ((t = EC_GROUP_new(a->meth)) == NULL)\n return NULL;\n if (!EC_GROUP_copy(t, a))\n goto err;\n ok = 1;\n err:\n if (!ok) {\n EC_GROUP_free(t);\n return NULL;\n }\n return t;\n}', 'int EC_GROUP_copy(EC_GROUP *dest, const EC_GROUP *src)\n{\n if (dest->meth->group_copy == 0) {\n ECerr(EC_F_EC_GROUP_COPY, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);\n return 0;\n }\n if (dest->meth != src->meth) {\n ECerr(EC_F_EC_GROUP_COPY, EC_R_INCOMPATIBLE_OBJECTS);\n return 0;\n }\n if (dest == src)\n return 1;\n dest->curve_name = src->curve_name;\n dest->pre_comp_type = src->pre_comp_type;\n switch (src->pre_comp_type) {\n case PCT_none:\n dest->pre_comp.ec = NULL;\n break;\n case PCT_nistz256:\n#ifdef ECP_NISTZ256_ASM\n dest->pre_comp.nistz256 = EC_nistz256_pre_comp_dup(src->pre_comp.nistz256);\n#endif\n break;\n#ifndef OPENSSL_NO_EC_NISTP_64_GCC_128\n case PCT_nistp224:\n dest->pre_comp.nistp224 = EC_nistp224_pre_comp_dup(src->pre_comp.nistp224);\n break;\n case PCT_nistp256:\n dest->pre_comp.nistp256 = EC_nistp256_pre_comp_dup(src->pre_comp.nistp256);\n break;\n case PCT_nistp521:\n dest->pre_comp.nistp521 = EC_nistp521_pre_comp_dup(src->pre_comp.nistp521);\n break;\n#else\n case PCT_nistp224:\n case PCT_nistp256:\n case PCT_nistp521:\n break;\n#endif\n case PCT_ec:\n dest->pre_comp.ec = EC_ec_pre_comp_dup(src->pre_comp.ec);\n break;\n }\n if (src->mont_data != NULL) {\n if (dest->mont_data == NULL) {\n dest->mont_data = BN_MONT_CTX_new();\n if (dest->mont_data == NULL)\n return 0;\n }\n if (!BN_MONT_CTX_copy(dest->mont_data, src->mont_data))\n return 0;\n } else {\n BN_MONT_CTX_free(dest->mont_data);\n dest->mont_data = NULL;\n }\n if (src->generator != NULL) {\n if (dest->generator == NULL) {\n dest->generator = EC_POINT_new(dest);\n if (dest->generator == NULL)\n return 0;\n }\n if (!EC_POINT_copy(dest->generator, src->generator))\n return 0;\n } else {\n EC_POINT_clear_free(dest->generator);\n dest->generator = NULL;\n }\n if ((src->meth->flags & EC_FLAGS_CUSTOM_CURVE) == 0) {\n if (!BN_copy(dest->order, src->order))\n return 0;\n if (!BN_copy(dest->cofactor, src->cofactor))\n return 0;\n }\n dest->asn1_flag = src->asn1_flag;\n dest->asn1_form = src->asn1_form;\n if (src->seed) {\n OPENSSL_free(dest->seed);\n if ((dest->seed = OPENSSL_malloc(src->seed_len)) == NULL) {\n ECerr(EC_F_EC_GROUP_COPY, ERR_R_MALLOC_FAILURE);\n return 0;\n }\n if (!memcpy(dest->seed, src->seed, src->seed_len))\n return 0;\n dest->seed_len = src->seed_len;\n } else {\n OPENSSL_free(dest->seed);\n dest->seed = NULL;\n dest->seed_len = 0;\n }\n return dest->meth->group_copy(dest, src);\n}', 'BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)\n{\n bn_check_top(b);\n if (a == b)\n return a;\n if (bn_wexpand(a, b->top) == NULL)\n return NULL;\n if (b->top > 0)\n memcpy(a->d, b->d, sizeof(b->d[0]) * b->top);\n a->neg = b->neg;\n a->top = b->top;\n a->flags |= b->flags & BN_FLG_FIXED_TOP;\n bn_check_top(a);\n return a;\n}', 'BIGNUM *bn_wexpand(BIGNUM *a, int words)\n{\n return (words <= a->dmax) ? a : bn_expand2(a, words);\n}'] |
21,067 | 0 | https://github.com/libav/libav/blob/452a398fd6bdca3f301c5c8af3bc241bc16a777e/libavcodec/ra288.c/#L132 | static int eval_lpc_coeffs(const float *in, float *tgt, int n)
{
int x, y;
double f0, f1, f2;
if (in[n] == 0)
return -1;
if ((f0 = *in) <= 0)
return -1;
in--;
for (x=1; x <= n; x++) {
f1 = in[x+1];
for (y=0; y < x - 1; y++)
f1 += in[x-y]*tgt[y];
tgt[x-1] = f2 = -f1/f0;
for (y=0; y < x >> 1; y++) {
float temp = tgt[y] + tgt[x-y-2]*f2;
tgt[x-y-2] += tgt[y]*f2;
tgt[y] = temp;
}
if ((f0 += f1*f2) < 0)
return -1;
}
return 0;
} | ['static void backward_filter(RA288Context *ractx)\n{\n float temp1[37];\n float temp2[11];\n float history[8];\n int i;\n for (i=0 ; i < 8; i++)\n history[i] = ractx->lhist[7-i];\n do_hybrid_window(36, 40, 35, ractx->output, temp1, ractx->sp_hist,\n ractx->sp_rec, syn_window);\n if (!eval_lpc_coeffs(temp1, ractx->sp_lpc, 36))\n colmult(ractx->sp_lpc, ractx->sp_lpc, syn_bw_tab, 36);\n do_hybrid_window(10, 8, 20, history, temp2, ractx->gain_hist,\n ractx->gain_rec, gain_window);\n if (!eval_lpc_coeffs(temp2, ractx->gain_lpc, 10))\n colmult(ractx->gain_lpc, ractx->gain_lpc, gain_bw_tab, 10);\n}', 'static int eval_lpc_coeffs(const float *in, float *tgt, int n)\n{\n int x, y;\n double f0, f1, f2;\n if (in[n] == 0)\n return -1;\n if ((f0 = *in) <= 0)\n return -1;\n in--;\n for (x=1; x <= n; x++) {\n f1 = in[x+1];\n for (y=0; y < x - 1; y++)\n f1 += in[x-y]*tgt[y];\n tgt[x-1] = f2 = -f1/f0;\n for (y=0; y < x >> 1; y++) {\n float temp = tgt[y] + tgt[x-y-2]*f2;\n tgt[x-y-2] += tgt[y]*f2;\n tgt[y] = temp;\n }\n if ((f0 += f1*f2) < 0)\n return -1;\n }\n return 0;\n}'] |
21,068 | 0 | https://github.com/libav/libav/blob/bb770c5b522bdd81b65ea4391579e5ebdd62a047/ffmpeg.c/#L2631 | static int opt_metadata(const char *opt, const char *arg)
{
char *mid= strchr(arg, '=');
if(!mid){
fprintf(stderr, "Missing =\n");
av_exit(1);
}
*mid++= 0;
metadata_count++;
metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);
metadata[metadata_count-1].key = av_strdup(arg);
metadata[metadata_count-1].value= av_strdup(mid);
return 0;
} | ['static int opt_metadata(const char *opt, const char *arg)\n{\n char *mid= strchr(arg, \'=\');\n if(!mid){\n fprintf(stderr, "Missing =\\n");\n av_exit(1);\n }\n *mid++= 0;\n metadata_count++;\n metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);\n metadata[metadata_count-1].key = av_strdup(arg);\n metadata[metadata_count-1].value= av_strdup(mid);\n return 0;\n}'] |
21,069 | 0 | https://github.com/openssl/openssl/blob/ff64702b3d83d4c77756e0fd7b624e2165dbbdf0/crypto/packet.c/#L52 | int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
{
if (!ossl_assert(pkt->subs != NULL && len != 0))
return 0;
if (pkt->maxsize - pkt->written < len)
return 0;
if (pkt->buf != NULL && (pkt->buf->length - pkt->written < len)) {
size_t newlen;
size_t reflen;
reflen = (len > pkt->buf->length) ? len : pkt->buf->length;
if (reflen > SIZE_MAX / 2) {
newlen = SIZE_MAX;
} else {
newlen = reflen * 2;
if (newlen < DEFAULT_BUF_SIZE)
newlen = DEFAULT_BUF_SIZE;
}
if (BUF_MEM_grow(pkt->buf, newlen) == 0)
return 0;
}
if (allocbytes != NULL)
*allocbytes = WPACKET_get_curr(pkt);
return 1;
} | ['int tls_construct_client_key_exchange(SSL *s, WPACKET *pkt)\n{\n unsigned long alg_k;\n alg_k = s->s3.tmp.new_cipher->algorithm_mkey;\n if ((alg_k & SSL_PSK)\n && !tls_construct_cke_psk_preamble(s, pkt))\n goto err;\n if (alg_k & (SSL_kRSA | SSL_kRSAPSK)) {\n if (!tls_construct_cke_rsa(s, pkt))\n goto err;\n } else if (alg_k & (SSL_kDHE | SSL_kDHEPSK)) {\n if (!tls_construct_cke_dhe(s, pkt))\n goto err;\n } else if (alg_k & (SSL_kECDHE | SSL_kECDHEPSK)) {\n if (!tls_construct_cke_ecdhe(s, pkt))\n goto err;\n } else if (alg_k & SSL_kGOST) {\n if (!tls_construct_cke_gost(s, pkt))\n goto err;\n } else if (alg_k & SSL_kSRP) {\n if (!tls_construct_cke_srp(s, pkt))\n goto err;\n } else if (!(alg_k & SSL_kPSK)) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR,\n SSL_F_TLS_CONSTRUCT_CLIENT_KEY_EXCHANGE, ERR_R_INTERNAL_ERROR);\n goto err;\n }\n return 1;\n err:\n OPENSSL_clear_free(s->s3.tmp.pms, s->s3.tmp.pmslen);\n s->s3.tmp.pms = NULL;\n#ifndef OPENSSL_NO_PSK\n OPENSSL_clear_free(s->s3.tmp.psk, s->s3.tmp.psklen);\n s->s3.tmp.psk = NULL;\n#endif\n return 0;\n}', 'static int tls_construct_cke_dhe(SSL *s, WPACKET *pkt)\n{\n#ifndef OPENSSL_NO_DH\n DH *dh_clnt = NULL;\n const BIGNUM *pub_key;\n EVP_PKEY *ckey = NULL, *skey = NULL;\n unsigned char *keybytes = NULL;\n skey = s->s3.peer_tmp;\n if (skey == NULL) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_DHE,\n ERR_R_INTERNAL_ERROR);\n goto err;\n }\n ckey = ssl_generate_pkey(skey);\n if (ckey == NULL) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_DHE,\n ERR_R_INTERNAL_ERROR);\n goto err;\n }\n dh_clnt = EVP_PKEY_get0_DH(ckey);\n if (dh_clnt == NULL) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_DHE,\n ERR_R_INTERNAL_ERROR);\n goto err;\n }\n if (ssl_derive(s, ckey, skey, 0) == 0) {\n goto err;\n }\n DH_get0_key(dh_clnt, &pub_key, NULL);\n if (!WPACKET_sub_allocate_bytes_u16(pkt, BN_num_bytes(pub_key),\n &keybytes)) {\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_DHE,\n ERR_R_INTERNAL_ERROR);\n goto err;\n }\n BN_bn2bin(pub_key, keybytes);\n EVP_PKEY_free(ckey);\n return 1;\n err:\n EVP_PKEY_free(ckey);\n return 0;\n#else\n SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_DHE,\n ERR_R_INTERNAL_ERROR);\n return 0;\n#endif\n}', 'int WPACKET_sub_allocate_bytes__(WPACKET *pkt, size_t len,\n unsigned char **allocbytes, size_t lenbytes)\n{\n if (!WPACKET_start_sub_packet_len__(pkt, lenbytes)\n || !WPACKET_allocate_bytes(pkt, len, allocbytes)\n || !WPACKET_close(pkt))\n return 0;\n return 1;\n}', 'int WPACKET_start_sub_packet_len__(WPACKET *pkt, size_t lenbytes)\n{\n WPACKET_SUB *sub;\n unsigned char *lenchars;\n if (!ossl_assert(pkt->subs != NULL))\n return 0;\n if ((sub = OPENSSL_zalloc(sizeof(*sub))) == NULL) {\n SSLerr(SSL_F_WPACKET_START_SUB_PACKET_LEN__, ERR_R_MALLOC_FAILURE);\n return 0;\n }\n sub->parent = pkt->subs;\n pkt->subs = sub;\n sub->pwritten = pkt->written + lenbytes;\n sub->lenbytes = lenbytes;\n if (lenbytes == 0) {\n sub->packet_len = 0;\n return 1;\n }\n sub->packet_len = pkt->written;\n if (!WPACKET_allocate_bytes(pkt, lenbytes, &lenchars))\n return 0;\n return 1;\n}', 'int WPACKET_allocate_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)\n{\n if (!WPACKET_reserve_bytes(pkt, len, allocbytes))\n return 0;\n pkt->written += len;\n pkt->curr += len;\n return 1;\n}', 'int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)\n{\n if (!ossl_assert(pkt->subs != NULL && len != 0))\n return 0;\n if (pkt->maxsize - pkt->written < len)\n return 0;\n if (pkt->buf != NULL && (pkt->buf->length - pkt->written < len)) {\n size_t newlen;\n size_t reflen;\n reflen = (len > pkt->buf->length) ? len : pkt->buf->length;\n if (reflen > SIZE_MAX / 2) {\n newlen = SIZE_MAX;\n } else {\n newlen = reflen * 2;\n if (newlen < DEFAULT_BUF_SIZE)\n newlen = DEFAULT_BUF_SIZE;\n }\n if (BUF_MEM_grow(pkt->buf, newlen) == 0)\n return 0;\n }\n if (allocbytes != NULL)\n *allocbytes = WPACKET_get_curr(pkt);\n return 1;\n}'] |
21,070 | 1 | https://github.com/openssl/openssl/blob/514871099478191c10cf600cf32758e6ae781058/crypto/bn/bn_mul.c/#L1028 | int BN_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)
{
int ret=0;
int top,al,bl;
BIGNUM *rr;
#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)
int i;
#endif
#ifdef BN_RECURSION
BIGNUM *t=NULL;
int j=0,k;
#endif
#ifdef BN_COUNT
fprintf(stderr,"BN_mul %d * %d\n",a->top,b->top);
#endif
bn_check_top(a);
bn_check_top(b);
bn_check_top(r);
al=a->top;
bl=b->top;
if ((al == 0) || (bl == 0))
{
BN_zero(r);
return(1);
}
top=al+bl;
BN_CTX_start(ctx);
if ((r == a) || (r == b))
{
if ((rr = BN_CTX_get(ctx)) == NULL) goto err;
}
else
rr = r;
rr->neg=a->neg^b->neg;
#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)
i = al-bl;
#endif
#ifdef BN_MUL_COMBA
if (i == 0)
{
# if 0
if (al == 4)
{
if (bn_wexpand(rr,8) == NULL) goto err;
rr->top=8;
bn_mul_comba4(rr->d,a->d,b->d);
goto end;
}
# endif
if (al == 8)
{
if (bn_wexpand(rr,16) == NULL) goto err;
rr->top=16;
bn_mul_comba8(rr->d,a->d,b->d);
goto end;
}
}
#endif
#ifdef BN_RECURSION
if ((al >= BN_MULL_SIZE_NORMAL) && (bl >= BN_MULL_SIZE_NORMAL))
{
if (i >= -1 && i <= 1)
{
int sav_j =0;
if (i >= 0)
{
j = BN_num_bits_word((BN_ULONG)al);
}
if (i == -1)
{
j = BN_num_bits_word((BN_ULONG)bl);
}
sav_j = j;
j = 1<<(j-1);
assert(j <= al || j <= bl);
k = j+j;
t = BN_CTX_get(ctx);
if (al > j || bl > j)
{
bn_wexpand(t,k*4);
bn_wexpand(rr,k*4);
bn_mul_part_recursive(rr->d,a->d,b->d,
j,al-j,bl-j,t->d);
}
else
{
bn_wexpand(t,k*2);
bn_wexpand(rr,k*2);
bn_mul_recursive(rr->d,a->d,b->d,
j,al-j,bl-j,t->d);
}
rr->top=top;
goto end;
}
#if 0
if (i == 1 && !BN_get_flags(b,BN_FLG_STATIC_DATA))
{
BIGNUM *tmp_bn = (BIGNUM *)b;
if (bn_wexpand(tmp_bn,al) == NULL) goto err;
tmp_bn->d[bl]=0;
bl++;
i--;
}
else if (i == -1 && !BN_get_flags(a,BN_FLG_STATIC_DATA))
{
BIGNUM *tmp_bn = (BIGNUM *)a;
if (bn_wexpand(tmp_bn,bl) == NULL) goto err;
tmp_bn->d[al]=0;
al++;
i++;
}
if (i == 0)
{
j=BN_num_bits_word((BN_ULONG)al);
j=1<<(j-1);
k=j+j;
t = BN_CTX_get(ctx);
if (al == j)
{
if (bn_wexpand(t,k*2) == NULL) goto err;
if (bn_wexpand(rr,k*2) == NULL) goto err;
bn_mul_recursive(rr->d,a->d,b->d,al,t->d);
}
else
{
if (bn_wexpand(t,k*4) == NULL) goto err;
if (bn_wexpand(rr,k*4) == NULL) goto err;
bn_mul_part_recursive(rr->d,a->d,b->d,al-j,j,t->d);
}
rr->top=top;
goto end;
}
#endif
}
#endif
if (bn_wexpand(rr,top) == NULL) goto err;
rr->top=top;
bn_mul_normal(rr->d,a->d,al,b->d,bl);
#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)
end:
#endif
bn_correct_top(rr);
if (r != rr) BN_copy(r,rr);
ret=1;
err:
bn_check_top(r);
BN_CTX_end(ctx);
return(ret);
} | ['int BN_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)\n\t{\n\tint ret=0;\n\tint top,al,bl;\n\tBIGNUM *rr;\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\n\tint i;\n#endif\n#ifdef BN_RECURSION\n\tBIGNUM *t=NULL;\n\tint j=0,k;\n#endif\n#ifdef BN_COUNT\n\tfprintf(stderr,"BN_mul %d * %d\\n",a->top,b->top);\n#endif\n\tbn_check_top(a);\n\tbn_check_top(b);\n\tbn_check_top(r);\n\tal=a->top;\n\tbl=b->top;\n\tif ((al == 0) || (bl == 0))\n\t\t{\n\t\tBN_zero(r);\n\t\treturn(1);\n\t\t}\n\ttop=al+bl;\n\tBN_CTX_start(ctx);\n\tif ((r == a) || (r == b))\n\t\t{\n\t\tif ((rr = BN_CTX_get(ctx)) == NULL) goto err;\n\t\t}\n\telse\n\t\trr = r;\n\trr->neg=a->neg^b->neg;\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\n\ti = al-bl;\n#endif\n#ifdef BN_MUL_COMBA\n\tif (i == 0)\n\t\t{\n# if 0\n\t\tif (al == 4)\n\t\t\t{\n\t\t\tif (bn_wexpand(rr,8) == NULL) goto err;\n\t\t\trr->top=8;\n\t\t\tbn_mul_comba4(rr->d,a->d,b->d);\n\t\t\tgoto end;\n\t\t\t}\n# endif\n\t\tif (al == 8)\n\t\t\t{\n\t\t\tif (bn_wexpand(rr,16) == NULL) goto err;\n\t\t\trr->top=16;\n\t\t\tbn_mul_comba8(rr->d,a->d,b->d);\n\t\t\tgoto end;\n\t\t\t}\n\t\t}\n#endif\n#ifdef BN_RECURSION\n\tif ((al >= BN_MULL_SIZE_NORMAL) && (bl >= BN_MULL_SIZE_NORMAL))\n\t\t{\n\t\tif (i >= -1 && i <= 1)\n\t\t\t{\n\t\t\tint sav_j =0;\n\t\t\tif (i >= 0)\n\t\t\t\t{\n\t\t\t\tj = BN_num_bits_word((BN_ULONG)al);\n\t\t\t\t}\n\t\t\tif (i == -1)\n\t\t\t\t{\n\t\t\t\tj = BN_num_bits_word((BN_ULONG)bl);\n\t\t\t\t}\n\t\t\tsav_j = j;\n\t\t\tj = 1<<(j-1);\n\t\t\tassert(j <= al || j <= bl);\n\t\t\tk = j+j;\n\t\t\tt = BN_CTX_get(ctx);\n\t\t\tif (al > j || bl > j)\n\t\t\t\t{\n\t\t\t\tbn_wexpand(t,k*4);\n\t\t\t\tbn_wexpand(rr,k*4);\n\t\t\t\tbn_mul_part_recursive(rr->d,a->d,b->d,\n\t\t\t\t\tj,al-j,bl-j,t->d);\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tbn_wexpand(t,k*2);\n\t\t\t\tbn_wexpand(rr,k*2);\n\t\t\t\tbn_mul_recursive(rr->d,a->d,b->d,\n\t\t\t\t\tj,al-j,bl-j,t->d);\n\t\t\t\t}\n\t\t\trr->top=top;\n\t\t\tgoto end;\n\t\t\t}\n#if 0\n\t\tif (i == 1 && !BN_get_flags(b,BN_FLG_STATIC_DATA))\n\t\t\t{\n\t\t\tBIGNUM *tmp_bn = (BIGNUM *)b;\n\t\t\tif (bn_wexpand(tmp_bn,al) == NULL) goto err;\n\t\t\ttmp_bn->d[bl]=0;\n\t\t\tbl++;\n\t\t\ti--;\n\t\t\t}\n\t\telse if (i == -1 && !BN_get_flags(a,BN_FLG_STATIC_DATA))\n\t\t\t{\n\t\t\tBIGNUM *tmp_bn = (BIGNUM *)a;\n\t\t\tif (bn_wexpand(tmp_bn,bl) == NULL) goto err;\n\t\t\ttmp_bn->d[al]=0;\n\t\t\tal++;\n\t\t\ti++;\n\t\t\t}\n\t\tif (i == 0)\n\t\t\t{\n\t\t\tj=BN_num_bits_word((BN_ULONG)al);\n\t\t\tj=1<<(j-1);\n\t\t\tk=j+j;\n\t\t\tt = BN_CTX_get(ctx);\n\t\t\tif (al == j)\n\t\t\t\t{\n\t\t\t\tif (bn_wexpand(t,k*2) == NULL) goto err;\n\t\t\t\tif (bn_wexpand(rr,k*2) == NULL) goto err;\n\t\t\t\tbn_mul_recursive(rr->d,a->d,b->d,al,t->d);\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tif (bn_wexpand(t,k*4) == NULL) goto err;\n\t\t\t\tif (bn_wexpand(rr,k*4) == NULL) goto err;\n\t\t\t\tbn_mul_part_recursive(rr->d,a->d,b->d,al-j,j,t->d);\n\t\t\t\t}\n\t\t\trr->top=top;\n\t\t\tgoto end;\n\t\t\t}\n#endif\n\t\t}\n#endif\n\tif (bn_wexpand(rr,top) == NULL) goto err;\n\trr->top=top;\n\tbn_mul_normal(rr->d,a->d,al,b->d,bl);\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\nend:\n#endif\n\tbn_correct_top(rr);\n\tif (r != rr) BN_copy(r,rr);\n\tret=1;\nerr:\n\tbn_check_top(r);\n\tBN_CTX_end(ctx);\n\treturn(ret);\n\t}', 'void BN_CTX_start(BN_CTX *ctx)\n\t{\n\tif (ctx->depth < BN_CTX_NUM_POS)\n\t\tctx->pos[ctx->depth] = ctx->tos;\n\tctx->depth++;\n\t}', 'BIGNUM *BN_CTX_get(BN_CTX *ctx)\n\t{\n\tBIGNUM *ret;\n\tif (ctx->depth > BN_CTX_NUM_POS || ctx->tos >= BN_CTX_NUM)\n\t\t{\n\t\tif (!ctx->too_many)\n\t\t\t{\n\t\t\tBNerr(BN_F_BN_CTX_GET,BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n\t\t\tctx->too_many = 1;\n\t\t\t}\n\t\treturn NULL;\n\t\t}\n\tret = ctx->bn + (ctx->tos++);\n\tBN_zero(ret);\n\treturn ret;\n\t}'] |
21,071 | 0 | https://github.com/openssl/openssl/blob/305b68f1a2b6d4d0aa07a6ab47ac372f067a40bb/crypto/bn/bn_lib.c/#L231 | static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
{
BN_ULONG *a = NULL;
if (words > (INT_MAX / (4 * BN_BITS2))) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);
return NULL;
}
if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);
return NULL;
}
if (BN_get_flags(b, BN_FLG_SECURE))
a = OPENSSL_secure_zalloc(words * sizeof(*a));
else
a = OPENSSL_zalloc(words * sizeof(*a));
if (a == NULL) {
BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);
return NULL;
}
assert(b->top <= words);
if (b->top > 0)
memcpy(a, b->d, sizeof(*a) * b->top);
return a;
} | ['int BN_mod_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const BIGNUM *m,\n BN_CTX *ctx)\n{\n BIGNUM *t;\n int ret = 0;\n bn_check_top(a);\n bn_check_top(b);\n bn_check_top(m);\n BN_CTX_start(ctx);\n if ((t = BN_CTX_get(ctx)) == NULL)\n goto err;\n if (a == b) {\n if (!BN_sqr(t, a, ctx))\n goto err;\n } else {\n if (!BN_mul(t, a, b, ctx))\n goto err;\n }\n if (!BN_nnmod(r, t, m, ctx))\n goto err;\n bn_check_top(r);\n ret = 1;\n err:\n BN_CTX_end(ctx);\n return ret;\n}', 'BIGNUM *BN_CTX_get(BN_CTX *ctx)\n{\n BIGNUM *ret;\n CTXDBG_ENTRY("BN_CTX_get", ctx);\n if (ctx->err_stack || ctx->too_many)\n return NULL;\n if ((ret = BN_POOL_get(&ctx->pool, ctx->flags)) == NULL) {\n ctx->too_many = 1;\n BNerr(BN_F_BN_CTX_GET, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n return NULL;\n }\n BN_zero(ret);\n ctx->used++;\n CTXDBG_RET(ctx, ret);\n return ret;\n}', 'int BN_set_word(BIGNUM *a, BN_ULONG w)\n{\n bn_check_top(a);\n if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)\n return 0;\n a->neg = 0;\n a->d[0] = w;\n a->top = (w ? 1 : 0);\n a->flags &= ~BN_FLG_FIXED_TOP;\n bn_check_top(a);\n return 1;\n}', 'static ossl_inline BIGNUM *bn_expand(BIGNUM *a, int bits)\n{\n if (bits > (INT_MAX - BN_BITS2 + 1))\n return NULL;\n if (((bits+BN_BITS2-1)/BN_BITS2) <= (a)->dmax)\n return a;\n return bn_expand2((a),(bits+BN_BITS2-1)/BN_BITS2);\n}', 'int BN_sqr(BIGNUM *r, const BIGNUM *a, BN_CTX *ctx)\n{\n int max, al;\n int ret = 0;\n BIGNUM *tmp, *rr;\n bn_check_top(a);\n al = a->top;\n if (al <= 0) {\n r->top = 0;\n r->neg = 0;\n return 1;\n }\n BN_CTX_start(ctx);\n rr = (a != r) ? r : BN_CTX_get(ctx);\n tmp = BN_CTX_get(ctx);\n if (rr == NULL || tmp == NULL)\n goto err;\n max = 2 * al;\n if (bn_wexpand(rr, max) == NULL)\n goto err;\n if (al == 4) {\n#ifndef BN_SQR_COMBA\n BN_ULONG t[8];\n bn_sqr_normal(rr->d, a->d, 4, t);\n#else\n bn_sqr_comba4(rr->d, a->d);\n#endif\n } else if (al == 8) {\n#ifndef BN_SQR_COMBA\n BN_ULONG t[16];\n bn_sqr_normal(rr->d, a->d, 8, t);\n#else\n bn_sqr_comba8(rr->d, a->d);\n#endif\n } else {\n#if defined(BN_RECURSION)\n if (al < BN_SQR_RECURSIVE_SIZE_NORMAL) {\n BN_ULONG t[BN_SQR_RECURSIVE_SIZE_NORMAL * 2];\n bn_sqr_normal(rr->d, a->d, al, t);\n } else {\n int j, k;\n j = BN_num_bits_word((BN_ULONG)al);\n j = 1 << (j - 1);\n k = j + j;\n if (al == j) {\n if (bn_wexpand(tmp, k * 2) == NULL)\n goto err;\n bn_sqr_recursive(rr->d, a->d, al, tmp->d);\n } else {\n if (bn_wexpand(tmp, max) == NULL)\n goto err;\n bn_sqr_normal(rr->d, a->d, al, tmp->d);\n }\n }\n#else\n if (bn_wexpand(tmp, max) == NULL)\n goto err;\n bn_sqr_normal(rr->d, a->d, al, tmp->d);\n#endif\n }\n rr->neg = 0;\n rr->top = max;\n bn_correct_top(rr);\n if (r != rr && BN_copy(r, rr) == NULL)\n goto err;\n ret = 1;\n err:\n bn_check_top(rr);\n bn_check_top(tmp);\n BN_CTX_end(ctx);\n return ret;\n}', 'BIGNUM *bn_wexpand(BIGNUM *a, int words)\n{\n return (words <= a->dmax) ? a : bn_expand2(a, words);\n}', 'BIGNUM *bn_expand2(BIGNUM *b, int words)\n{\n if (words > b->dmax) {\n BN_ULONG *a = bn_expand_internal(b, words);\n if (!a)\n return NULL;\n if (b->d) {\n OPENSSL_cleanse(b->d, b->dmax * sizeof(b->d[0]));\n bn_free_d(b);\n }\n b->d = a;\n b->dmax = words;\n }\n return b;\n}', 'static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)\n{\n BN_ULONG *a = NULL;\n if (words > (INT_MAX / (4 * BN_BITS2))) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);\n return NULL;\n }\n if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);\n return NULL;\n }\n if (BN_get_flags(b, BN_FLG_SECURE))\n a = OPENSSL_secure_zalloc(words * sizeof(*a));\n else\n a = OPENSSL_zalloc(words * sizeof(*a));\n if (a == NULL) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);\n return NULL;\n }\n assert(b->top <= words);\n if (b->top > 0)\n memcpy(a, b->d, sizeof(*a) * b->top);\n return a;\n}'] |
21,072 | 0 | https://github.com/libav/libav/blob/26301caaa1aec5d71b564bff452147d6183370bf/libavformat/utils.c/#L2649 | void avformat_free_context(AVFormatContext *s)
{
int i;
AVStream *st;
av_opt_free(s);
if (s->iformat && s->iformat->priv_class && s->priv_data)
av_opt_free(s->priv_data);
for(i=0;i<s->nb_streams;i++) {
st = s->streams[i];
if (st->parser) {
av_parser_close(st->parser);
}
if (st->attached_pic.data)
av_free_packet(&st->attached_pic);
av_dict_free(&st->metadata);
av_free(st->index_entries);
av_free(st->codec->extradata);
av_free(st->codec->subtitle_header);
av_free(st->codec);
av_free(st->priv_data);
av_free(st->info);
av_free(st);
}
for(i=s->nb_programs-1; i>=0; i--) {
av_dict_free(&s->programs[i]->metadata);
av_freep(&s->programs[i]->stream_index);
av_freep(&s->programs[i]);
}
av_freep(&s->programs);
av_freep(&s->priv_data);
while(s->nb_chapters--) {
av_dict_free(&s->chapters[s->nb_chapters]->metadata);
av_free(s->chapters[s->nb_chapters]);
}
av_freep(&s->chapters);
av_dict_free(&s->metadata);
av_freep(&s->streams);
av_free(s);
} | ['static int hls_write_trailer(struct AVFormatContext *s)\n{\n HLSContext *hls = s->priv_data;\n AVFormatContext *oc = hls->avf;\n av_write_trailer(oc);\n avio_closep(&oc->pb);\n avformat_free_context(oc);\n av_free(hls->basename);\n hls_window(s, 1);\n free_entries(hls);\n avio_close(hls->pb);\n return 0;\n}', 'int avio_closep(AVIOContext **s)\n{\n int ret = avio_close(*s);\n *s = NULL;\n return ret;\n}', 'int avio_close(AVIOContext *s)\n{\n URLContext *h;\n if (!s)\n return 0;\n avio_flush(s);\n h = s->opaque;\n av_freep(&s->buffer);\n av_free(s);\n return ffurl_close(h);\n}', 'void avformat_free_context(AVFormatContext *s)\n{\n int i;\n AVStream *st;\n av_opt_free(s);\n if (s->iformat && s->iformat->priv_class && s->priv_data)\n av_opt_free(s->priv_data);\n for(i=0;i<s->nb_streams;i++) {\n st = s->streams[i];\n if (st->parser) {\n av_parser_close(st->parser);\n }\n if (st->attached_pic.data)\n av_free_packet(&st->attached_pic);\n av_dict_free(&st->metadata);\n av_free(st->index_entries);\n av_free(st->codec->extradata);\n av_free(st->codec->subtitle_header);\n av_free(st->codec);\n av_free(st->priv_data);\n av_free(st->info);\n av_free(st);\n }\n for(i=s->nb_programs-1; i>=0; i--) {\n av_dict_free(&s->programs[i]->metadata);\n av_freep(&s->programs[i]->stream_index);\n av_freep(&s->programs[i]);\n }\n av_freep(&s->programs);\n av_freep(&s->priv_data);\n while(s->nb_chapters--) {\n av_dict_free(&s->chapters[s->nb_chapters]->metadata);\n av_free(s->chapters[s->nb_chapters]);\n }\n av_freep(&s->chapters);\n av_dict_free(&s->metadata);\n av_freep(&s->streams);\n av_free(s);\n}'] |
21,073 | 0 | https://github.com/openssl/openssl/blob/8b0d4242404f9e5da26e7594fa0864b2df4601af/crypto/bn/bn_ctx.c/#L273 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | ['int BN_BLINDING_convert_ex(BIGNUM *n, BIGNUM *r, BN_BLINDING *b, BN_CTX *ctx)\n{\n int ret = 1;\n bn_check_top(n);\n if ((b->A == NULL) || (b->Ai == NULL)) {\n BNerr(BN_F_BN_BLINDING_CONVERT_EX, BN_R_NOT_INITIALIZED);\n return (0);\n }\n if (b->counter == -1)\n b->counter = 0;\n else if (!BN_BLINDING_update(b, ctx))\n return (0);\n if (r != NULL) {\n if (!BN_copy(r, b->Ai))\n ret = 0;\n }\n if (!BN_mod_mul(n, n, b->A, b->mod, ctx))\n ret = 0;\n return ret;\n}', 'int BN_mod_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const BIGNUM *m,\n BN_CTX *ctx)\n{\n BIGNUM *t;\n int ret = 0;\n bn_check_top(a);\n bn_check_top(b);\n bn_check_top(m);\n BN_CTX_start(ctx);\n if ((t = BN_CTX_get(ctx)) == NULL)\n goto err;\n if (a == b) {\n if (!BN_sqr(t, a, ctx))\n goto err;\n } else {\n if (!BN_mul(t, a, b, ctx))\n goto err;\n }\n if (!BN_nnmod(r, t, m, ctx))\n goto err;\n bn_check_top(r);\n ret = 1;\n err:\n BN_CTX_end(ctx);\n return (ret);\n}', 'void BN_CTX_start(BN_CTX *ctx)\n{\n CTXDBG_ENTRY("BN_CTX_start", ctx);\n if (ctx->err_stack || ctx->too_many)\n ctx->err_stack++;\n else if (!BN_STACK_push(&ctx->stack, ctx->used)) {\n BNerr(BN_F_BN_CTX_START, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n ctx->err_stack++;\n }\n CTXDBG_EXIT(ctx);\n}', 'int BN_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)\n{\n int ret = 0;\n int top, al, bl;\n BIGNUM *rr;\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\n int i;\n#endif\n#ifdef BN_RECURSION\n BIGNUM *t = NULL;\n int j = 0, k;\n#endif\n bn_check_top(a);\n bn_check_top(b);\n bn_check_top(r);\n al = a->top;\n bl = b->top;\n if ((al == 0) || (bl == 0)) {\n BN_zero(r);\n return (1);\n }\n top = al + bl;\n BN_CTX_start(ctx);\n if ((r == a) || (r == b)) {\n if ((rr = BN_CTX_get(ctx)) == NULL)\n goto err;\n } else\n rr = r;\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\n i = al - bl;\n#endif\n#ifdef BN_MUL_COMBA\n if (i == 0) {\n# if 0\n if (al == 4) {\n if (bn_wexpand(rr, 8) == NULL)\n goto err;\n rr->top = 8;\n bn_mul_comba4(rr->d, a->d, b->d);\n goto end;\n }\n# endif\n if (al == 8) {\n if (bn_wexpand(rr, 16) == NULL)\n goto err;\n rr->top = 16;\n bn_mul_comba8(rr->d, a->d, b->d);\n goto end;\n }\n }\n#endif\n#ifdef BN_RECURSION\n if ((al >= BN_MULL_SIZE_NORMAL) && (bl >= BN_MULL_SIZE_NORMAL)) {\n if (i >= -1 && i <= 1) {\n if (i >= 0) {\n j = BN_num_bits_word((BN_ULONG)al);\n }\n if (i == -1) {\n j = BN_num_bits_word((BN_ULONG)bl);\n }\n j = 1 << (j - 1);\n assert(j <= al || j <= bl);\n k = j + j;\n t = BN_CTX_get(ctx);\n if (t == NULL)\n goto err;\n if (al > j || bl > j) {\n if (bn_wexpand(t, k * 4) == NULL)\n goto err;\n if (bn_wexpand(rr, k * 4) == NULL)\n goto err;\n bn_mul_part_recursive(rr->d, a->d, b->d,\n j, al - j, bl - j, t->d);\n } else {\n if (bn_wexpand(t, k * 2) == NULL)\n goto err;\n if (bn_wexpand(rr, k * 2) == NULL)\n goto err;\n bn_mul_recursive(rr->d, a->d, b->d, j, al - j, bl - j, t->d);\n }\n rr->top = top;\n goto end;\n }\n# if 0\n if (i == 1 && !BN_get_flags(b, BN_FLG_STATIC_DATA)) {\n BIGNUM *tmp_bn = (BIGNUM *)b;\n if (bn_wexpand(tmp_bn, al) == NULL)\n goto err;\n tmp_bn->d[bl] = 0;\n bl++;\n i--;\n } else if (i == -1 && !BN_get_flags(a, BN_FLG_STATIC_DATA)) {\n BIGNUM *tmp_bn = (BIGNUM *)a;\n if (bn_wexpand(tmp_bn, bl) == NULL)\n goto err;\n tmp_bn->d[al] = 0;\n al++;\n i++;\n }\n if (i == 0) {\n j = BN_num_bits_word((BN_ULONG)al);\n j = 1 << (j - 1);\n k = j + j;\n t = BN_CTX_get(ctx);\n if (al == j) {\n if (bn_wexpand(t, k * 2) == NULL)\n goto err;\n if (bn_wexpand(rr, k * 2) == NULL)\n goto err;\n bn_mul_recursive(rr->d, a->d, b->d, al, t->d);\n } else {\n if (bn_wexpand(t, k * 4) == NULL)\n goto err;\n if (bn_wexpand(rr, k * 4) == NULL)\n goto err;\n bn_mul_part_recursive(rr->d, a->d, b->d, al - j, j, t->d);\n }\n rr->top = top;\n goto end;\n }\n# endif\n }\n#endif\n if (bn_wexpand(rr, top) == NULL)\n goto err;\n rr->top = top;\n bn_mul_normal(rr->d, a->d, al, b->d, bl);\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\n end:\n#endif\n rr->neg = a->neg ^ b->neg;\n bn_correct_top(rr);\n if (r != rr && BN_copy(r, rr) == NULL)\n goto err;\n ret = 1;\n err:\n bn_check_top(r);\n BN_CTX_end(ctx);\n return (ret);\n}', 'void BN_CTX_end(BN_CTX *ctx)\n{\n CTXDBG_ENTRY("BN_CTX_end", ctx);\n if (ctx->err_stack)\n ctx->err_stack--;\n else {\n unsigned int fp = BN_STACK_pop(&ctx->stack);\n if (fp < ctx->used)\n BN_POOL_release(&ctx->pool, ctx->used - fp);\n ctx->used = fp;\n ctx->too_many = 0;\n }\n CTXDBG_EXIT(ctx);\n}', 'static unsigned int BN_STACK_pop(BN_STACK *st)\n{\n return st->indexes[--(st->depth)];\n}'] |
21,074 | 0 | https://github.com/libav/libav/blob/4d4d7cf9d539a053f531f662a972b23d335738eb/libavcodec/fmvc.c/#L153 | static int decode_type2(GetByteContext *gb, PutByteContext *pb)
{
unsigned repeat = 0, first = 1, opcode;
int i, len, pos;
while (bytestream2_get_bytes_left(gb) > 0) {
GetByteContext gbc;
while (bytestream2_get_bytes_left(gb) > 0) {
if (first) {
first = 0;
if (bytestream2_peek_byte(gb) > 17) {
len = bytestream2_get_byte(gb) - 17;
if (len < 4) {
do {
bytestream2_put_byte(pb, bytestream2_get_byte(gb));
--len;
} while (len);
opcode = bytestream2_peek_byte(gb);
continue;
} else {
do {
bytestream2_put_byte(pb, bytestream2_get_byte(gb));
--len;
} while (len);
opcode = bytestream2_peek_byte(gb);
if (opcode < 0x10) {
bytestream2_skip(gb, 1);
pos = - (opcode >> 2) - 4 * bytestream2_get_byte(gb) - 2049;
bytestream2_init(&gbc, pb->buffer_start, pb->buffer_end - pb->buffer_start);
bytestream2_seek(&gbc, bytestream2_tell_p(pb) + pos, SEEK_SET);
bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));
bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));
bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));
len = opcode & 3;
if (!len) {
repeat = 1;
} else {
do {
bytestream2_put_byte(pb, bytestream2_get_byte(gb));
--len;
} while (len);
opcode = bytestream2_peek_byte(gb);
}
continue;
}
}
repeat = 0;
}
repeat = 1;
}
if (repeat) {
repeat = 0;
opcode = bytestream2_peek_byte(gb);
if (opcode < 0x10) {
bytestream2_skip(gb, 1);
if (!opcode) {
if (!bytestream2_peek_byte(gb)) {
do {
bytestream2_skip(gb, 1);
opcode += 255;
} while (!bytestream2_peek_byte(gb) && bytestream2_get_bytes_left(gb) > 0);
}
opcode += bytestream2_get_byte(gb) + 15;
}
bytestream2_put_le32(pb, bytestream2_get_le32(gb));
for (i = opcode - 1; i > 0; --i)
bytestream2_put_byte(pb, bytestream2_get_byte(gb));
opcode = bytestream2_peek_byte(gb);
if (opcode < 0x10) {
bytestream2_skip(gb, 1);
pos = - (opcode >> 2) - 4 * bytestream2_get_byte(gb) - 2049;
bytestream2_init(&gbc, pb->buffer_start, pb->buffer_end - pb->buffer_start);
bytestream2_seek(&gbc, bytestream2_tell_p(pb) + pos, SEEK_SET);
bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));
bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));
bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));
len = opcode & 3;
if (!len) {
repeat = 1;
} else {
do {
bytestream2_put_byte(pb, bytestream2_get_byte(gb));
--len;
} while (len);
opcode = bytestream2_peek_byte(gb);
}
continue;
}
}
}
if (opcode >= 0x40) {
bytestream2_skip(gb, 1);
pos = - ((opcode >> 2) & 7) - 1 - 8 * bytestream2_get_byte(gb);
len = (opcode >> 5) - 1;
bytestream2_init(&gbc, pb->buffer_start, pb->buffer_end - pb->buffer_start);
bytestream2_seek(&gbc, bytestream2_tell_p(pb) + pos, SEEK_SET);
bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));
bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));
do {
bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));
--len;
} while (len);
len = opcode & 3;
if (!len) {
repeat = 1;
} else {
do {
bytestream2_put_byte(pb, bytestream2_get_byte(gb));
--len;
} while (len);
opcode = bytestream2_peek_byte(gb);
}
continue;
} else if (opcode < 0x20) {
break;
}
len = opcode & 0x1F;
bytestream2_skip(gb, 1);
if (!len) {
if (!bytestream2_peek_byte(gb)) {
do {
bytestream2_skip(gb, 1);
len += 255;
} while (!bytestream2_peek_byte(gb) && bytestream2_get_bytes_left(gb) > 0);
}
len += bytestream2_get_byte(gb) + 31;
}
i = bytestream2_get_le16(gb);
pos = - (i >> 2) - 1;
bytestream2_init(&gbc, pb->buffer_start, pb->buffer_end - pb->buffer_start);
bytestream2_seek(&gbc, bytestream2_tell_p(pb) + pos, SEEK_SET);
if (len < 6 || bytestream2_tell_p(pb) - bytestream2_tell(&gbc) < 4) {
bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));
bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));
do {
bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));
--len;
} while (len);
} else {
bytestream2_put_le32(pb, bytestream2_get_le32(&gbc));
for (len = len - 2; len; --len)
bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));
}
len = i & 3;
if (!len) {
repeat = 1;
} else {
do {
bytestream2_put_byte(pb, bytestream2_get_byte(gb));
--len;
} while (len);
opcode = bytestream2_peek_byte(gb);
}
}
bytestream2_skip(gb, 1);
if (opcode < 0x10) {
pos = -(opcode >> 2) - 1 - 4 * bytestream2_get_byte(gb);
bytestream2_init(&gbc, pb->buffer_start, pb->buffer_end - pb->buffer_start);
bytestream2_seek(&gbc, bytestream2_tell_p(pb) + pos, SEEK_SET);
bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));
bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));
len = opcode & 3;
if (!len) {
repeat = 1;
} else {
do {
bytestream2_put_byte(pb, bytestream2_get_byte(gb));
--len;
} while (len);
opcode = bytestream2_peek_byte(gb);
}
continue;
}
len = opcode & 7;
if (!len) {
if (!bytestream2_peek_byte(gb)) {
do {
bytestream2_skip(gb, 1);
len += 255;
} while (!bytestream2_peek_byte(gb) && bytestream2_get_bytes_left(gb) > 0);
}
len += bytestream2_get_byte(gb) + 7;
}
i = bytestream2_get_le16(gb);
pos = bytestream2_tell_p(pb) - 2048 * (opcode & 8);
pos = pos - (i >> 2);
if (pos == bytestream2_tell_p(pb))
break;
pos = pos - 0x4000;
bytestream2_init(&gbc, pb->buffer_start, pb->buffer_end - pb->buffer_start);
bytestream2_seek(&gbc, pos, SEEK_SET);
if (len < 6 || bytestream2_tell_p(pb) - bytestream2_tell(&gbc) < 4) {
bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));
bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));
do {
bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));
--len;
} while (len);
} else {
bytestream2_put_le32(pb, bytestream2_get_le32(&gbc));
for (len = len - 2; len; --len)
bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));
}
len = i & 3;
if (!len) {
repeat = 1;
} else {
do {
bytestream2_put_byte(pb, bytestream2_get_byte(gb));
--len;
} while (len);
opcode = bytestream2_peek_byte(gb);
}
}
return 0;
} | ['static int decode_type2(GetByteContext *gb, PutByteContext *pb)\n{\n unsigned repeat = 0, first = 1, opcode;\n int i, len, pos;\n while (bytestream2_get_bytes_left(gb) > 0) {\n GetByteContext gbc;\n while (bytestream2_get_bytes_left(gb) > 0) {\n if (first) {\n first = 0;\n if (bytestream2_peek_byte(gb) > 17) {\n len = bytestream2_get_byte(gb) - 17;\n if (len < 4) {\n do {\n bytestream2_put_byte(pb, bytestream2_get_byte(gb));\n --len;\n } while (len);\n opcode = bytestream2_peek_byte(gb);\n continue;\n } else {\n do {\n bytestream2_put_byte(pb, bytestream2_get_byte(gb));\n --len;\n } while (len);\n opcode = bytestream2_peek_byte(gb);\n if (opcode < 0x10) {\n bytestream2_skip(gb, 1);\n pos = - (opcode >> 2) - 4 * bytestream2_get_byte(gb) - 2049;\n bytestream2_init(&gbc, pb->buffer_start, pb->buffer_end - pb->buffer_start);\n bytestream2_seek(&gbc, bytestream2_tell_p(pb) + pos, SEEK_SET);\n bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));\n bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));\n bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));\n len = opcode & 3;\n if (!len) {\n repeat = 1;\n } else {\n do {\n bytestream2_put_byte(pb, bytestream2_get_byte(gb));\n --len;\n } while (len);\n opcode = bytestream2_peek_byte(gb);\n }\n continue;\n }\n }\n repeat = 0;\n }\n repeat = 1;\n }\n if (repeat) {\n repeat = 0;\n opcode = bytestream2_peek_byte(gb);\n if (opcode < 0x10) {\n bytestream2_skip(gb, 1);\n if (!opcode) {\n if (!bytestream2_peek_byte(gb)) {\n do {\n bytestream2_skip(gb, 1);\n opcode += 255;\n } while (!bytestream2_peek_byte(gb) && bytestream2_get_bytes_left(gb) > 0);\n }\n opcode += bytestream2_get_byte(gb) + 15;\n }\n bytestream2_put_le32(pb, bytestream2_get_le32(gb));\n for (i = opcode - 1; i > 0; --i)\n bytestream2_put_byte(pb, bytestream2_get_byte(gb));\n opcode = bytestream2_peek_byte(gb);\n if (opcode < 0x10) {\n bytestream2_skip(gb, 1);\n pos = - (opcode >> 2) - 4 * bytestream2_get_byte(gb) - 2049;\n bytestream2_init(&gbc, pb->buffer_start, pb->buffer_end - pb->buffer_start);\n bytestream2_seek(&gbc, bytestream2_tell_p(pb) + pos, SEEK_SET);\n bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));\n bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));\n bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));\n len = opcode & 3;\n if (!len) {\n repeat = 1;\n } else {\n do {\n bytestream2_put_byte(pb, bytestream2_get_byte(gb));\n --len;\n } while (len);\n opcode = bytestream2_peek_byte(gb);\n }\n continue;\n }\n }\n }\n if (opcode >= 0x40) {\n bytestream2_skip(gb, 1);\n pos = - ((opcode >> 2) & 7) - 1 - 8 * bytestream2_get_byte(gb);\n len = (opcode >> 5) - 1;\n bytestream2_init(&gbc, pb->buffer_start, pb->buffer_end - pb->buffer_start);\n bytestream2_seek(&gbc, bytestream2_tell_p(pb) + pos, SEEK_SET);\n bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));\n bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));\n do {\n bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));\n --len;\n } while (len);\n len = opcode & 3;\n if (!len) {\n repeat = 1;\n } else {\n do {\n bytestream2_put_byte(pb, bytestream2_get_byte(gb));\n --len;\n } while (len);\n opcode = bytestream2_peek_byte(gb);\n }\n continue;\n } else if (opcode < 0x20) {\n break;\n }\n len = opcode & 0x1F;\n bytestream2_skip(gb, 1);\n if (!len) {\n if (!bytestream2_peek_byte(gb)) {\n do {\n bytestream2_skip(gb, 1);\n len += 255;\n } while (!bytestream2_peek_byte(gb) && bytestream2_get_bytes_left(gb) > 0);\n }\n len += bytestream2_get_byte(gb) + 31;\n }\n i = bytestream2_get_le16(gb);\n pos = - (i >> 2) - 1;\n bytestream2_init(&gbc, pb->buffer_start, pb->buffer_end - pb->buffer_start);\n bytestream2_seek(&gbc, bytestream2_tell_p(pb) + pos, SEEK_SET);\n if (len < 6 || bytestream2_tell_p(pb) - bytestream2_tell(&gbc) < 4) {\n bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));\n bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));\n do {\n bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));\n --len;\n } while (len);\n } else {\n bytestream2_put_le32(pb, bytestream2_get_le32(&gbc));\n for (len = len - 2; len; --len)\n bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));\n }\n len = i & 3;\n if (!len) {\n repeat = 1;\n } else {\n do {\n bytestream2_put_byte(pb, bytestream2_get_byte(gb));\n --len;\n } while (len);\n opcode = bytestream2_peek_byte(gb);\n }\n }\n bytestream2_skip(gb, 1);\n if (opcode < 0x10) {\n pos = -(opcode >> 2) - 1 - 4 * bytestream2_get_byte(gb);\n bytestream2_init(&gbc, pb->buffer_start, pb->buffer_end - pb->buffer_start);\n bytestream2_seek(&gbc, bytestream2_tell_p(pb) + pos, SEEK_SET);\n bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));\n bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));\n len = opcode & 3;\n if (!len) {\n repeat = 1;\n } else {\n do {\n bytestream2_put_byte(pb, bytestream2_get_byte(gb));\n --len;\n } while (len);\n opcode = bytestream2_peek_byte(gb);\n }\n continue;\n }\n len = opcode & 7;\n if (!len) {\n if (!bytestream2_peek_byte(gb)) {\n do {\n bytestream2_skip(gb, 1);\n len += 255;\n } while (!bytestream2_peek_byte(gb) && bytestream2_get_bytes_left(gb) > 0);\n }\n len += bytestream2_get_byte(gb) + 7;\n }\n i = bytestream2_get_le16(gb);\n pos = bytestream2_tell_p(pb) - 2048 * (opcode & 8);\n pos = pos - (i >> 2);\n if (pos == bytestream2_tell_p(pb))\n break;\n pos = pos - 0x4000;\n bytestream2_init(&gbc, pb->buffer_start, pb->buffer_end - pb->buffer_start);\n bytestream2_seek(&gbc, pos, SEEK_SET);\n if (len < 6 || bytestream2_tell_p(pb) - bytestream2_tell(&gbc) < 4) {\n bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));\n bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));\n do {\n bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));\n --len;\n } while (len);\n } else {\n bytestream2_put_le32(pb, bytestream2_get_le32(&gbc));\n for (len = len - 2; len; --len)\n bytestream2_put_byte(pb, bytestream2_get_byte(&gbc));\n }\n len = i & 3;\n if (!len) {\n repeat = 1;\n } else {\n do {\n bytestream2_put_byte(pb, bytestream2_get_byte(gb));\n --len;\n } while (len);\n opcode = bytestream2_peek_byte(gb);\n }\n }\n return 0;\n}'] |
21,075 | 0 | https://github.com/openssl/openssl/blob/a8ea8018fa187e22fb4989450b550589e20f62c2/crypto/err/err.c/#L749 | void ERR_add_error_vdata(int num, va_list args)
{
int i, n, s;
char *str, *p, *a;
s = 80;
str = OPENSSL_malloc(s + 1);
if (str == NULL)
return;
str[0] = '\0';
n = 0;
for (i = 0; i < num; i++) {
a = va_arg(args, char *);
if (a == NULL)
a = "<NULL>";
n += strlen(a);
if (n > s) {
s = n + 20;
p = OPENSSL_realloc(str, s + 1);
if (p == NULL) {
OPENSSL_free(str);
return;
}
str = p;
}
OPENSSL_strlcat(str, a, (size_t)s + 1);
}
ERR_set_error_data(str, ERR_TXT_MALLOCED | ERR_TXT_STRING);
} | ['void ERR_add_error_vdata(int num, va_list args)\n{\n int i, n, s;\n char *str, *p, *a;\n s = 80;\n str = OPENSSL_malloc(s + 1);\n if (str == NULL)\n return;\n str[0] = \'\\0\';\n n = 0;\n for (i = 0; i < num; i++) {\n a = va_arg(args, char *);\n if (a == NULL)\n a = "<NULL>";\n n += strlen(a);\n if (n > s) {\n s = n + 20;\n p = OPENSSL_realloc(str, s + 1);\n if (p == NULL) {\n OPENSSL_free(str);\n return;\n }\n str = p;\n }\n OPENSSL_strlcat(str, a, (size_t)s + 1);\n }\n ERR_set_error_data(str, ERR_TXT_MALLOCED | ERR_TXT_STRING);\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n INCREMENT(malloc_count);\n if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)\n return malloc_impl(num, file, line);\n if (num == 0)\n return NULL;\n FAILTEST();\n allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n (void)(file); (void)(line);\n ret = malloc(num);\n#endif\n return ret;\n}', 'void *CRYPTO_realloc(void *str, size_t num, const char *file, int line)\n{\n INCREMENT(realloc_count);\n if (realloc_impl != NULL && realloc_impl != &CRYPTO_realloc)\n return realloc_impl(str, num, file, line);\n FAILTEST();\n if (str == NULL)\n return CRYPTO_malloc(num, file, line);\n if (num == 0) {\n CRYPTO_free(str, file, line);\n return NULL;\n }\n allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n void *ret;\n CRYPTO_mem_debug_realloc(str, NULL, num, 0, file, line);\n ret = realloc(str, num);\n CRYPTO_mem_debug_realloc(str, ret, num, 1, file, line);\n return ret;\n }\n#else\n (void)(file); (void)(line);\n#endif\n return realloc(str, num);\n}', 'void CRYPTO_free(void *str, const char *file, int line)\n{\n INCREMENT(free_count);\n if (free_impl != NULL && free_impl != &CRYPTO_free) {\n free_impl(str, file, line);\n return;\n }\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_free(str, 0, file, line);\n free(str);\n CRYPTO_mem_debug_free(str, 1, file, line);\n } else {\n free(str);\n }\n#else\n free(str);\n#endif\n}'] |
21,076 | 0 | https://github.com/libav/libav/blob/dad7a9c7c0ae8ebc56f2e3a24e6fa4da5c2cd491/libavcodec/mlpdec.c/#L1178 | static int read_access_unit(AVCodecContext *avctx, void* data,
int *got_frame_ptr, AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
MLPDecodeContext *m = avctx->priv_data;
BitstreamContext bc;
unsigned int length, substr;
unsigned int substream_start;
unsigned int header_size = 4;
unsigned int substr_header_size = 0;
uint8_t substream_parity_present[MAX_SUBSTREAMS];
uint16_t substream_data_len[MAX_SUBSTREAMS];
uint8_t parity_bits;
int ret;
if (buf_size < 4)
return 0;
length = (AV_RB16(buf) & 0xfff) * 2;
if (length < 4 || length > buf_size)
return AVERROR_INVALIDDATA;
bitstream_init8(&bc, buf + 4, length - 4);
m->is_major_sync_unit = 0;
if (bitstream_peek(&bc, 31) == (0xf8726fba >> 1)) {
if (read_major_sync(m, &bc) < 0)
goto error;
m->is_major_sync_unit = 1;
header_size += m->major_sync_header_size;
}
if (!m->params_valid) {
av_log(m->avctx, AV_LOG_WARNING,
"Stream parameters not seen; skipping frame.\n");
*got_frame_ptr = 0;
return length;
}
substream_start = 0;
for (substr = 0; substr < m->num_substreams; substr++) {
int extraword_present, checkdata_present, end, nonrestart_substr;
extraword_present = bitstream_read_bit(&bc);
nonrestart_substr = bitstream_read_bit(&bc);
checkdata_present = bitstream_read_bit(&bc);
bitstream_skip(&bc, 1);
end = bitstream_read(&bc, 12) * 2;
substr_header_size += 2;
if (extraword_present) {
if (m->avctx->codec_id == AV_CODEC_ID_MLP) {
av_log(m->avctx, AV_LOG_ERROR, "There must be no extraword for MLP.\n");
goto error;
}
bitstream_skip(&bc, 16);
substr_header_size += 2;
}
if (!(nonrestart_substr ^ m->is_major_sync_unit)) {
av_log(m->avctx, AV_LOG_ERROR, "Invalid nonrestart_substr.\n");
goto error;
}
if (end + header_size + substr_header_size > length) {
av_log(m->avctx, AV_LOG_ERROR,
"Indicated length of substream %d data goes off end of "
"packet.\n", substr);
end = length - header_size - substr_header_size;
}
if (end < substream_start) {
av_log(avctx, AV_LOG_ERROR,
"Indicated end offset of substream %d data "
"is smaller than calculated start offset.\n",
substr);
goto error;
}
if (substr > m->max_decoded_substream)
continue;
substream_parity_present[substr] = checkdata_present;
substream_data_len[substr] = end - substream_start;
substream_start = end;
}
parity_bits = ff_mlp_calculate_parity(buf, 4);
parity_bits ^= ff_mlp_calculate_parity(buf + header_size, substr_header_size);
if ((((parity_bits >> 4) ^ parity_bits) & 0xF) != 0xF) {
av_log(avctx, AV_LOG_ERROR, "Parity check failed.\n");
goto error;
}
buf += header_size + substr_header_size;
for (substr = 0; substr <= m->max_decoded_substream; substr++) {
SubStream *s = &m->substream[substr];
bitstream_init8(&bc, buf, substream_data_len[substr]);
m->matrix_changed = 0;
memset(m->filter_changed, 0, sizeof(m->filter_changed));
s->blockpos = 0;
do {
if (bitstream_read_bit(&bc)) {
if (bitstream_read_bit(&bc)) {
if (read_restart_header(m, &bc, buf, substr) < 0)
goto next_substr;
s->restart_seen = 1;
}
if (!s->restart_seen)
goto next_substr;
if (read_decoding_params(m, &bc, substr) < 0)
goto next_substr;
}
if (!s->restart_seen)
goto next_substr;
if ((ret = read_block_data(m, &bc, substr)) < 0)
return ret;
if (bitstream_tell(&bc) >= substream_data_len[substr] * 8)
goto substream_length_mismatch;
} while (!bitstream_read_bit(&bc));
bitstream_skip(&bc, (-bitstream_tell(&bc)) & 15);
if (substream_data_len[substr] * 8 - bitstream_tell(&bc) >= 32) {
int shorten_by;
if (bitstream_read(&bc, 16) != 0xD234)
return AVERROR_INVALIDDATA;
shorten_by = bitstream_read(&bc, 16);
if (m->avctx->codec_id == AV_CODEC_ID_TRUEHD && shorten_by & 0x2000)
s->blockpos -= FFMIN(shorten_by & 0x1FFF, s->blockpos);
else if (m->avctx->codec_id == AV_CODEC_ID_MLP && shorten_by != 0xD234)
return AVERROR_INVALIDDATA;
if (substr == m->max_decoded_substream)
av_log(m->avctx, AV_LOG_INFO, "End of stream indicated.\n");
}
if (substream_parity_present[substr]) {
uint8_t parity, checksum;
if (substream_data_len[substr] * 8 - bitstream_tell(&bc) != 16)
goto substream_length_mismatch;
parity = ff_mlp_calculate_parity(buf, substream_data_len[substr] - 2);
checksum = ff_mlp_checksum8 (buf, substream_data_len[substr] - 2);
if ((bitstream_read(&bc, 8) ^ parity) != 0xa9)
av_log(m->avctx, AV_LOG_ERROR, "Substream %d parity check failed.\n", substr);
if (bitstream_read(&bc, 8) != checksum)
av_log(m->avctx, AV_LOG_ERROR, "Substream %d checksum failed.\n" , substr);
}
if (substream_data_len[substr] * 8 != bitstream_tell(&bc))
goto substream_length_mismatch;
next_substr:
if (!s->restart_seen)
av_log(m->avctx, AV_LOG_ERROR,
"No restart header present in substream %d.\n", substr);
buf += substream_data_len[substr];
}
rematrix_channels(m, m->max_decoded_substream);
if ((ret = output_data(m, m->max_decoded_substream, data, got_frame_ptr)) < 0)
return ret;
return length;
substream_length_mismatch:
av_log(m->avctx, AV_LOG_ERROR, "substream %d length mismatch\n", substr);
return AVERROR_INVALIDDATA;
error:
m->params_valid = 0;
return AVERROR_INVALIDDATA;
} | ['static int read_access_unit(AVCodecContext *avctx, void* data,\n int *got_frame_ptr, AVPacket *avpkt)\n{\n const uint8_t *buf = avpkt->data;\n int buf_size = avpkt->size;\n MLPDecodeContext *m = avctx->priv_data;\n BitstreamContext bc;\n unsigned int length, substr;\n unsigned int substream_start;\n unsigned int header_size = 4;\n unsigned int substr_header_size = 0;\n uint8_t substream_parity_present[MAX_SUBSTREAMS];\n uint16_t substream_data_len[MAX_SUBSTREAMS];\n uint8_t parity_bits;\n int ret;\n if (buf_size < 4)\n return 0;\n length = (AV_RB16(buf) & 0xfff) * 2;\n if (length < 4 || length > buf_size)\n return AVERROR_INVALIDDATA;\n bitstream_init8(&bc, buf + 4, length - 4);\n m->is_major_sync_unit = 0;\n if (bitstream_peek(&bc, 31) == (0xf8726fba >> 1)) {\n if (read_major_sync(m, &bc) < 0)\n goto error;\n m->is_major_sync_unit = 1;\n header_size += m->major_sync_header_size;\n }\n if (!m->params_valid) {\n av_log(m->avctx, AV_LOG_WARNING,\n "Stream parameters not seen; skipping frame.\\n");\n *got_frame_ptr = 0;\n return length;\n }\n substream_start = 0;\n for (substr = 0; substr < m->num_substreams; substr++) {\n int extraword_present, checkdata_present, end, nonrestart_substr;\n extraword_present = bitstream_read_bit(&bc);\n nonrestart_substr = bitstream_read_bit(&bc);\n checkdata_present = bitstream_read_bit(&bc);\n bitstream_skip(&bc, 1);\n end = bitstream_read(&bc, 12) * 2;\n substr_header_size += 2;\n if (extraword_present) {\n if (m->avctx->codec_id == AV_CODEC_ID_MLP) {\n av_log(m->avctx, AV_LOG_ERROR, "There must be no extraword for MLP.\\n");\n goto error;\n }\n bitstream_skip(&bc, 16);\n substr_header_size += 2;\n }\n if (!(nonrestart_substr ^ m->is_major_sync_unit)) {\n av_log(m->avctx, AV_LOG_ERROR, "Invalid nonrestart_substr.\\n");\n goto error;\n }\n if (end + header_size + substr_header_size > length) {\n av_log(m->avctx, AV_LOG_ERROR,\n "Indicated length of substream %d data goes off end of "\n "packet.\\n", substr);\n end = length - header_size - substr_header_size;\n }\n if (end < substream_start) {\n av_log(avctx, AV_LOG_ERROR,\n "Indicated end offset of substream %d data "\n "is smaller than calculated start offset.\\n",\n substr);\n goto error;\n }\n if (substr > m->max_decoded_substream)\n continue;\n substream_parity_present[substr] = checkdata_present;\n substream_data_len[substr] = end - substream_start;\n substream_start = end;\n }\n parity_bits = ff_mlp_calculate_parity(buf, 4);\n parity_bits ^= ff_mlp_calculate_parity(buf + header_size, substr_header_size);\n if ((((parity_bits >> 4) ^ parity_bits) & 0xF) != 0xF) {\n av_log(avctx, AV_LOG_ERROR, "Parity check failed.\\n");\n goto error;\n }\n buf += header_size + substr_header_size;\n for (substr = 0; substr <= m->max_decoded_substream; substr++) {\n SubStream *s = &m->substream[substr];\n bitstream_init8(&bc, buf, substream_data_len[substr]);\n m->matrix_changed = 0;\n memset(m->filter_changed, 0, sizeof(m->filter_changed));\n s->blockpos = 0;\n do {\n if (bitstream_read_bit(&bc)) {\n if (bitstream_read_bit(&bc)) {\n if (read_restart_header(m, &bc, buf, substr) < 0)\n goto next_substr;\n s->restart_seen = 1;\n }\n if (!s->restart_seen)\n goto next_substr;\n if (read_decoding_params(m, &bc, substr) < 0)\n goto next_substr;\n }\n if (!s->restart_seen)\n goto next_substr;\n if ((ret = read_block_data(m, &bc, substr)) < 0)\n return ret;\n if (bitstream_tell(&bc) >= substream_data_len[substr] * 8)\n goto substream_length_mismatch;\n } while (!bitstream_read_bit(&bc));\n bitstream_skip(&bc, (-bitstream_tell(&bc)) & 15);\n if (substream_data_len[substr] * 8 - bitstream_tell(&bc) >= 32) {\n int shorten_by;\n if (bitstream_read(&bc, 16) != 0xD234)\n return AVERROR_INVALIDDATA;\n shorten_by = bitstream_read(&bc, 16);\n if (m->avctx->codec_id == AV_CODEC_ID_TRUEHD && shorten_by & 0x2000)\n s->blockpos -= FFMIN(shorten_by & 0x1FFF, s->blockpos);\n else if (m->avctx->codec_id == AV_CODEC_ID_MLP && shorten_by != 0xD234)\n return AVERROR_INVALIDDATA;\n if (substr == m->max_decoded_substream)\n av_log(m->avctx, AV_LOG_INFO, "End of stream indicated.\\n");\n }\n if (substream_parity_present[substr]) {\n uint8_t parity, checksum;\n if (substream_data_len[substr] * 8 - bitstream_tell(&bc) != 16)\n goto substream_length_mismatch;\n parity = ff_mlp_calculate_parity(buf, substream_data_len[substr] - 2);\n checksum = ff_mlp_checksum8 (buf, substream_data_len[substr] - 2);\n if ((bitstream_read(&bc, 8) ^ parity) != 0xa9)\n av_log(m->avctx, AV_LOG_ERROR, "Substream %d parity check failed.\\n", substr);\n if (bitstream_read(&bc, 8) != checksum)\n av_log(m->avctx, AV_LOG_ERROR, "Substream %d checksum failed.\\n" , substr);\n }\n if (substream_data_len[substr] * 8 != bitstream_tell(&bc))\n goto substream_length_mismatch;\nnext_substr:\n if (!s->restart_seen)\n av_log(m->avctx, AV_LOG_ERROR,\n "No restart header present in substream %d.\\n", substr);\n buf += substream_data_len[substr];\n }\n rematrix_channels(m, m->max_decoded_substream);\n if ((ret = output_data(m, m->max_decoded_substream, data, got_frame_ptr)) < 0)\n return ret;\n return length;\nsubstream_length_mismatch:\n av_log(m->avctx, AV_LOG_ERROR, "substream %d length mismatch\\n", substr);\n return AVERROR_INVALIDDATA;\nerror:\n m->params_valid = 0;\n return AVERROR_INVALIDDATA;\n}'] |
21,077 | 0 | https://github.com/libav/libav/blob/f40f329e9219a8dd7e585345a8ea294fa66562b9/libavcodec/mpegaudiodec.c/#L872 | void RENAME(ff_mpa_synth_filter)(MPA_INT *synth_buf_ptr, int *synth_buf_offset,
MPA_INT *window, int *dither_state,
OUT_INT *samples, int incr,
INTFLOAT sb_samples[SBLIMIT])
{
register MPA_INT *synth_buf;
register const MPA_INT *w, *w2, *p;
int j, offset;
OUT_INT *samples2;
#if CONFIG_FLOAT
float sum, sum2;
#elif FRAC_BITS <= 15
int32_t tmp[32];
int sum, sum2;
#else
int64_t sum, sum2;
#endif
offset = *synth_buf_offset;
synth_buf = synth_buf_ptr + offset;
#if FRAC_BITS <= 15 && !CONFIG_FLOAT
dct32(tmp, sb_samples);
for(j=0;j<32;j++) {
synth_buf[j] = av_clip_int16(tmp[j]);
}
#else
dct32(synth_buf, sb_samples);
#endif
memcpy(synth_buf + 512, synth_buf, 32 * sizeof(*synth_buf));
samples2 = samples + 31 * incr;
w = window;
w2 = window + 31;
sum = *dither_state;
p = synth_buf + 16;
SUM8(MACS, sum, w, p);
p = synth_buf + 48;
SUM8(MLSS, sum, w + 32, p);
*samples = round_sample(&sum);
samples += incr;
w++;
for(j=1;j<16;j++) {
sum2 = 0;
p = synth_buf + 16 + j;
SUM8P2(sum, MACS, sum2, MLSS, w, w2, p);
p = synth_buf + 48 - j;
SUM8P2(sum, MLSS, sum2, MLSS, w + 32, w2 + 32, p);
*samples = round_sample(&sum);
samples += incr;
sum += sum2;
*samples2 = round_sample(&sum);
samples2 -= incr;
w++;
w2--;
}
p = synth_buf + 32;
SUM8(MLSS, sum, w + 32, p);
*samples = round_sample(&sum);
*dither_state= sum;
offset = (offset - 32) & 511;
*synth_buf_offset = offset;
} | ['static void mpc_synth(MPCContext *c, int16_t *out)\n{\n int dither_state = 0;\n int i, ch;\n OUT_INT samples[MPA_MAX_CHANNELS * MPA_FRAME_SIZE], *samples_ptr;\n for(ch = 0; ch < 2; ch++){\n samples_ptr = samples + ch;\n for(i = 0; i < SAMPLES_PER_BAND; i++) {\n ff_mpa_synth_filter(c->synth_buf[ch], &(c->synth_buf_offset[ch]),\n ff_mpa_synth_window, &dither_state,\n samples_ptr, 2,\n c->sb_samples[ch][i]);\n samples_ptr += 64;\n }\n }\n for(i = 0; i < MPC_FRAME_SIZE*2; i++)\n *out++=samples[i];\n}', 'void RENAME(ff_mpa_synth_filter)(MPA_INT *synth_buf_ptr, int *synth_buf_offset,\n MPA_INT *window, int *dither_state,\n OUT_INT *samples, int incr,\n INTFLOAT sb_samples[SBLIMIT])\n{\n register MPA_INT *synth_buf;\n register const MPA_INT *w, *w2, *p;\n int j, offset;\n OUT_INT *samples2;\n#if CONFIG_FLOAT\n float sum, sum2;\n#elif FRAC_BITS <= 15\n int32_t tmp[32];\n int sum, sum2;\n#else\n int64_t sum, sum2;\n#endif\n offset = *synth_buf_offset;\n synth_buf = synth_buf_ptr + offset;\n#if FRAC_BITS <= 15 && !CONFIG_FLOAT\n dct32(tmp, sb_samples);\n for(j=0;j<32;j++) {\n synth_buf[j] = av_clip_int16(tmp[j]);\n }\n#else\n dct32(synth_buf, sb_samples);\n#endif\n memcpy(synth_buf + 512, synth_buf, 32 * sizeof(*synth_buf));\n samples2 = samples + 31 * incr;\n w = window;\n w2 = window + 31;\n sum = *dither_state;\n p = synth_buf + 16;\n SUM8(MACS, sum, w, p);\n p = synth_buf + 48;\n SUM8(MLSS, sum, w + 32, p);\n *samples = round_sample(&sum);\n samples += incr;\n w++;\n for(j=1;j<16;j++) {\n sum2 = 0;\n p = synth_buf + 16 + j;\n SUM8P2(sum, MACS, sum2, MLSS, w, w2, p);\n p = synth_buf + 48 - j;\n SUM8P2(sum, MLSS, sum2, MLSS, w + 32, w2 + 32, p);\n *samples = round_sample(&sum);\n samples += incr;\n sum += sum2;\n *samples2 = round_sample(&sum);\n samples2 -= incr;\n w++;\n w2--;\n }\n p = synth_buf + 32;\n SUM8(MLSS, sum, w + 32, p);\n *samples = round_sample(&sum);\n *dither_state= sum;\n offset = (offset - 32) & 511;\n *synth_buf_offset = offset;\n}'] |
21,078 | 0 | https://github.com/openssl/openssl/blob/2864df8f9d3264e19b49a246e272fb513f4c1be3/crypto/bn/bn_ctx.c/#L270 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | ['static int test_gf2m_sqr(void)\n{\n BIGNUM *a = NULL, *b[2] = {NULL,NULL}, *c = NULL, *d = NULL;\n int i, j, st = 0;\n if (!TEST_ptr(a = BN_new())\n || !TEST_ptr(b[0] = BN_new())\n || !TEST_ptr(b[1] = BN_new())\n || !TEST_ptr(c = BN_new())\n || !TEST_ptr(d = BN_new()))\n goto err;\n if (!(TEST_true(BN_GF2m_arr2poly(p0, b[0]))\n && TEST_true(BN_GF2m_arr2poly(p1, b[1]))))\n goto err;\n for (i = 0; i < NUM0; i++) {\n if (!TEST_true(BN_bntest_rand(a, 1024, 0, 0)))\n goto err;\n for (j = 0; j < 2; j++) {\n if (!(TEST_true(BN_GF2m_mod_sqr(c, a, b[j], ctx))\n && TEST_true(BN_copy(d, a))\n && TEST_true(BN_GF2m_mod_mul(d, a, d, b[j], ctx))\n && TEST_true(BN_GF2m_add(d, c, d))\n && TEST_BN_eq_zero(d)))\n goto err;\n }\n }\n st = 1;\n err:\n BN_free(a);\n BN_free(b[0]);\n BN_free(b[1]);\n BN_free(c);\n BN_free(d);\n return st;\n}', 'int BN_GF2m_mod_sqr(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, BN_CTX *ctx)\n{\n int ret = 0;\n const int max = BN_num_bits(p) + 1;\n int *arr = NULL;\n bn_check_top(a);\n bn_check_top(p);\n if ((arr = OPENSSL_malloc(sizeof(*arr) * max)) == NULL)\n goto err;\n ret = BN_GF2m_poly2arr(p, arr, max);\n if (!ret || ret > max) {\n BNerr(BN_F_BN_GF2M_MOD_SQR, BN_R_INVALID_LENGTH);\n goto err;\n }\n ret = BN_GF2m_mod_sqr_arr(r, a, arr, ctx);\n bn_check_top(r);\n err:\n OPENSSL_free(arr);\n return ret;\n}', 'int BN_GF2m_mod_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b,\n const BIGNUM *p, BN_CTX *ctx)\n{\n int ret = 0;\n const int max = BN_num_bits(p) + 1;\n int *arr = NULL;\n bn_check_top(a);\n bn_check_top(b);\n bn_check_top(p);\n if ((arr = OPENSSL_malloc(sizeof(*arr) * max)) == NULL)\n goto err;\n ret = BN_GF2m_poly2arr(p, arr, max);\n if (!ret || ret > max) {\n BNerr(BN_F_BN_GF2M_MOD_MUL, BN_R_INVALID_LENGTH);\n goto err;\n }\n ret = BN_GF2m_mod_mul_arr(r, a, b, arr, ctx);\n bn_check_top(r);\n err:\n OPENSSL_free(arr);\n return ret;\n}', 'int BN_GF2m_mod_sqr_arr(BIGNUM *r, const BIGNUM *a, const int p[],\n BN_CTX *ctx)\n{\n int i, ret = 0;\n BIGNUM *s;\n bn_check_top(a);\n BN_CTX_start(ctx);\n if ((s = BN_CTX_get(ctx)) == NULL)\n goto err;\n if (!bn_wexpand(s, 2 * a->top))\n goto err;\n for (i = a->top - 1; i >= 0; i--) {\n s->d[2 * i + 1] = SQR1(a->d[i]);\n s->d[2 * i] = SQR0(a->d[i]);\n }\n s->top = 2 * a->top;\n bn_correct_top(s);\n if (!BN_GF2m_mod_arr(r, s, p))\n goto err;\n bn_check_top(r);\n ret = 1;\n err:\n BN_CTX_end(ctx);\n return ret;\n}', 'void BN_CTX_start(BN_CTX *ctx)\n{\n CTXDBG("ENTER BN_CTX_start()", ctx);\n if (ctx->err_stack || ctx->too_many)\n ctx->err_stack++;\n else if (!BN_STACK_push(&ctx->stack, ctx->used)) {\n BNerr(BN_F_BN_CTX_START, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n ctx->err_stack++;\n }\n CTXDBG("LEAVE BN_CTX_start()", ctx);\n}', 'void BN_CTX_end(BN_CTX *ctx)\n{\n if (ctx == NULL)\n return;\n CTXDBG("ENTER BN_CTX_end()", ctx);\n if (ctx->err_stack)\n ctx->err_stack--;\n else {\n unsigned int fp = BN_STACK_pop(&ctx->stack);\n if (fp < ctx->used)\n BN_POOL_release(&ctx->pool, ctx->used - fp);\n ctx->used = fp;\n ctx->too_many = 0;\n }\n CTXDBG("LEAVE BN_CTX_end()", ctx);\n}', 'static unsigned int BN_STACK_pop(BN_STACK *st)\n{\n return st->indexes[--(st->depth)];\n}'] |
21,079 | 0 | https://github.com/openssl/openssl/blob/c922ebe23247ff9ee07310fa30647623c0547cd9/ssl/packet.c/#L49 | int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
{
assert(pkt->subs != NULL && len != 0);
if (pkt->subs == NULL || len == 0)
return 0;
if (pkt->maxsize - pkt->written < len)
return 0;
if (pkt->staticbuf == NULL && (pkt->buf->length - pkt->written < len)) {
size_t newlen;
size_t reflen;
reflen = (len > pkt->buf->length) ? len : pkt->buf->length;
if (reflen > SIZE_MAX / 2) {
newlen = SIZE_MAX;
} else {
newlen = reflen * 2;
if (newlen < DEFAULT_BUF_SIZE)
newlen = DEFAULT_BUF_SIZE;
}
if (BUF_MEM_grow(pkt->buf, newlen) == 0)
return 0;
}
if (allocbytes != NULL)
*allocbytes = WPACKET_get_curr(pkt);
return 1;
} | ['int tls_construct_ctos_supported_groups(SSL *s, WPACKET *pkt, int *al)\n{\n const unsigned char *pcurves = NULL, *pcurvestmp;\n size_t num_curves = 0, i;\n if (!use_ecc(s))\n return 1;\n pcurves = s->tlsext_supportedgroupslist;\n if (!tls1_get_curvelist(s, 0, &pcurves, &num_curves)) {\n SSLerr(SSL_F_TLS_CONSTRUCT_CTOS_SUPPORTED_GROUPS,\n ERR_R_INTERNAL_ERROR);\n return 0;\n }\n pcurvestmp = pcurves;\n if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_supported_groups)\n || !WPACKET_start_sub_packet_u16(pkt)\n || !WPACKET_start_sub_packet_u16(pkt)) {\n SSLerr(SSL_F_TLS_CONSTRUCT_CTOS_SUPPORTED_GROUPS,\n ERR_R_INTERNAL_ERROR);\n return 0;\n }\n for (i = 0; i < num_curves; i++, pcurvestmp += 2) {\n if (tls_curve_allowed(s, pcurves, SSL_SECOP_CURVE_SUPPORTED)) {\n if (!WPACKET_put_bytes_u8(pkt, pcurvestmp[0])\n || !WPACKET_put_bytes_u8(pkt, pcurvestmp[1])) {\n SSLerr(SSL_F_TLS_CONSTRUCT_CTOS_SUPPORTED_GROUPS,\n ERR_R_INTERNAL_ERROR);\n return 0;\n }\n }\n }\n if (!WPACKET_close(pkt) || !WPACKET_close(pkt)) {\n SSLerr(SSL_F_TLS_CONSTRUCT_CTOS_SUPPORTED_GROUPS,\n ERR_R_INTERNAL_ERROR);\n return 0;\n }\n return 1;\n}', 'int WPACKET_start_sub_packet_len__(WPACKET *pkt, size_t lenbytes)\n{\n WPACKET_SUB *sub;\n unsigned char *lenchars;\n assert(pkt->subs != NULL);\n if (pkt->subs == NULL)\n return 0;\n sub = OPENSSL_zalloc(sizeof(*sub));\n if (sub == NULL)\n return 0;\n sub->parent = pkt->subs;\n pkt->subs = sub;\n sub->pwritten = pkt->written + lenbytes;\n sub->lenbytes = lenbytes;\n if (lenbytes == 0) {\n sub->packet_len = 0;\n return 1;\n }\n if (!WPACKET_allocate_bytes(pkt, lenbytes, &lenchars))\n return 0;\n sub->packet_len = lenchars - GETBUF(pkt);\n return 1;\n}', 'int WPACKET_allocate_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)\n{\n if (!WPACKET_reserve_bytes(pkt, len, allocbytes))\n return 0;\n pkt->written += len;\n pkt->curr += len;\n return 1;\n}', 'int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)\n{\n assert(pkt->subs != NULL && len != 0);\n if (pkt->subs == NULL || len == 0)\n return 0;\n if (pkt->maxsize - pkt->written < len)\n return 0;\n if (pkt->staticbuf == NULL && (pkt->buf->length - pkt->written < len)) {\n size_t newlen;\n size_t reflen;\n reflen = (len > pkt->buf->length) ? len : pkt->buf->length;\n if (reflen > SIZE_MAX / 2) {\n newlen = SIZE_MAX;\n } else {\n newlen = reflen * 2;\n if (newlen < DEFAULT_BUF_SIZE)\n newlen = DEFAULT_BUF_SIZE;\n }\n if (BUF_MEM_grow(pkt->buf, newlen) == 0)\n return 0;\n }\n if (allocbytes != NULL)\n *allocbytes = WPACKET_get_curr(pkt);\n return 1;\n}'] |
21,080 | 0 | https://github.com/openssl/openssl/blob/95dc05bc6d0dfe0f3f3681f5e27afbc3f7a35eea/crypto/asn1/t_pkey.c/#L251 | static int print(BIO *bp, const char *number, BIGNUM *num, unsigned char *buf,
int off)
{
int n,i;
char str[128];
const char *neg;
if (num == NULL) return(1);
neg=(num->neg)?"-":"";
if (off)
{
if (off > 128) off=128;
memset(str,' ',off);
if (BIO_write(bp,str,off) <= 0) return(0);
}
if (BN_num_bytes(num) <= BN_BYTES)
{
if (BIO_printf(bp,"%s %s%lu (%s0x%lx)\n",number,neg,
(unsigned long)num->d[0],neg,(unsigned long)num->d[0])
<= 0) return(0);
}
else
{
buf[0]=0;
if (BIO_printf(bp,"%s%s",number,
(neg[0] == '-')?" (Negative)":"") <= 0)
return(0);
n=BN_bn2bin(num,&buf[1]);
if (buf[1] & 0x80)
n++;
else buf++;
for (i=0; i<n; i++)
{
if ((i%15) == 0)
{
str[0]='\n';
memset(&(str[1]),' ',off+4);
if (BIO_write(bp,str,off+1+4) <= 0) return(0);
}
if (BIO_printf(bp,"%02x%s",buf[i],((i+1) == n)?"":":")
<= 0) return(0);
}
if (BIO_write(bp,"\n",1) <= 0) return(0);
}
return(1);
} | ['int DSA_print(BIO *bp, DSA *x, int off)\n\t{\n\tchar str[128];\n\tunsigned char *m=NULL;\n\tint i,ret=0;\n\tBIGNUM *bn=NULL;\n\tif (x->p != NULL)\n\t\tbn=x->p;\n\telse if (x->priv_key != NULL)\n\t\tbn=x->priv_key;\n\telse if (x->pub_key != NULL)\n\t\tbn=x->pub_key;\n\tif (bn != NULL)\n\t\ti=BN_num_bytes(bn)*2;\n\telse\n\t\ti=256;\n\tm=(unsigned char *)Malloc((unsigned int)i+10);\n\tif (m == NULL)\n\t\t{\n\t\tDSAerr(DSA_F_DSA_PRINT,ERR_R_MALLOC_FAILURE);\n\t\tgoto err;\n\t\t}\n\tif (off)\n\t\t{\n\t\tif (off > 128) off=128;\n\t\tmemset(str,\' \',off);\n\t\t}\n\tif (x->priv_key != NULL)\n\t\t{\n\t\tif (off && (BIO_write(bp,str,off) <= 0)) goto err;\n\t\tif (BIO_printf(bp,"Private-Key: (%d bit)\\n",BN_num_bits(x->p))\n\t\t\t<= 0) goto err;\n\t\t}\n\tif ((x->priv_key != NULL) && !print(bp,"priv:",x->priv_key,m,off))\n\t\tgoto err;\n\tif ((x->pub_key != NULL) && !print(bp,"pub: ",x->pub_key,m,off))\n\t\tgoto err;\n\tif ((x->p != NULL) && !print(bp,"P: ",x->p,m,off)) goto err;\n\tif ((x->q != NULL) && !print(bp,"Q: ",x->q,m,off)) goto err;\n\tif ((x->g != NULL) && !print(bp,"G: ",x->g,m,off)) goto err;\n\tret=1;\nerr:\n\tif (m != NULL) Free((char *)m);\n\treturn(ret);\n\t}', 'static int print(BIO *bp, const char *number, BIGNUM *num, unsigned char *buf,\n\t int off)\n\t{\n\tint n,i;\n\tchar str[128];\n\tconst char *neg;\n\tif (num == NULL) return(1);\n\tneg=(num->neg)?"-":"";\n\tif (off)\n\t\t{\n\t\tif (off > 128) off=128;\n\t\tmemset(str,\' \',off);\n\t\tif (BIO_write(bp,str,off) <= 0) return(0);\n\t\t}\n\tif (BN_num_bytes(num) <= BN_BYTES)\n\t\t{\n\t\tif (BIO_printf(bp,"%s %s%lu (%s0x%lx)\\n",number,neg,\n\t\t\t(unsigned long)num->d[0],neg,(unsigned long)num->d[0])\n\t\t\t<= 0) return(0);\n\t\t}\n\telse\n\t\t{\n\t\tbuf[0]=0;\n\t\tif (BIO_printf(bp,"%s%s",number,\n\t\t\t(neg[0] == \'-\')?" (Negative)":"") <= 0)\n\t\t\treturn(0);\n\t\tn=BN_bn2bin(num,&buf[1]);\n\t\tif (buf[1] & 0x80)\n\t\t\tn++;\n\t\telse\tbuf++;\n\t\tfor (i=0; i<n; i++)\n\t\t\t{\n\t\t\tif ((i%15) == 0)\n\t\t\t\t{\n\t\t\t\tstr[0]=\'\\n\';\n\t\t\t\tmemset(&(str[1]),\' \',off+4);\n\t\t\t\tif (BIO_write(bp,str,off+1+4) <= 0) return(0);\n\t\t\t\t}\n\t\t\tif (BIO_printf(bp,"%02x%s",buf[i],((i+1) == n)?"":":")\n\t\t\t\t<= 0) return(0);\n\t\t\t}\n\t\tif (BIO_write(bp,"\\n",1) <= 0) return(0);\n\t\t}\n\treturn(1);\n\t}'] |
21,081 | 0 | https://github.com/openssl/openssl/blob/8da94770f0a049497b1a52ee469cca1f4a13b1a7/crypto/bn/bn_shift.c/#L159 | int BN_lshift(BIGNUM *r, const BIGNUM *a, int n)
{
int i, nw, lb, rb;
BN_ULONG *t, *f;
BN_ULONG l;
bn_check_top(r);
bn_check_top(a);
if (n < 0) {
BNerr(BN_F_BN_LSHIFT, BN_R_INVALID_SHIFT);
return 0;
}
r->neg = a->neg;
nw = n / BN_BITS2;
if (bn_wexpand(r, a->top + nw + 1) == NULL)
return (0);
lb = n % BN_BITS2;
rb = BN_BITS2 - lb;
f = a->d;
t = r->d;
t[a->top + nw] = 0;
if (lb == 0)
for (i = a->top - 1; i >= 0; i--)
t[nw + i] = f[i];
else
for (i = a->top - 1; i >= 0; i--) {
l = f[i];
t[nw + i + 1] |= (l >> rb) & BN_MASK2;
t[nw + i] = (l << lb) & BN_MASK2;
}
memset(t, 0, sizeof(*t) * nw);
r->top = a->top + nw + 1;
bn_correct_top(r);
bn_check_top(r);
return (1);
} | ['static DSA_SIG *dsa_do_sign(const unsigned char *dgst, int dlen, DSA *dsa)\n{\n BIGNUM *kinv = NULL, *r = NULL, *s = NULL;\n BIGNUM *m;\n BIGNUM *xr;\n BN_CTX *ctx = NULL;\n int reason = ERR_R_BN_LIB;\n DSA_SIG *ret = NULL;\n int noredo = 0;\n m = BN_new();\n xr = BN_new();\n if (m == NULL || xr == NULL)\n goto err;\n if (!dsa->p || !dsa->q || !dsa->g) {\n reason = DSA_R_MISSING_PARAMETERS;\n goto err;\n }\n s = BN_new();\n if (s == NULL)\n goto err;\n ctx = BN_CTX_new();\n if (ctx == NULL)\n goto err;\n redo:\n if ((dsa->kinv == NULL) || (dsa->r == NULL)) {\n if (!dsa_sign_setup(dsa, ctx, &kinv, &r, dgst, dlen))\n goto err;\n } else {\n kinv = dsa->kinv;\n dsa->kinv = NULL;\n r = dsa->r;\n dsa->r = NULL;\n noredo = 1;\n }\n if (dlen > BN_num_bytes(dsa->q))\n dlen = BN_num_bytes(dsa->q);\n if (BN_bin2bn(dgst, dlen, m) == NULL)\n goto err;\n if (!BN_mod_mul(xr, dsa->priv_key, r, dsa->q, ctx))\n goto err;\n if (!BN_add(s, xr, m))\n goto err;\n if (BN_cmp(s, dsa->q) > 0)\n if (!BN_sub(s, s, dsa->q))\n goto err;\n if (!BN_mod_mul(s, s, kinv, dsa->q, ctx))\n goto err;\n if (BN_is_zero(r) || BN_is_zero(s)) {\n if (noredo) {\n reason = DSA_R_NEED_NEW_SETUP_VALUES;\n goto err;\n }\n goto redo;\n }\n ret = DSA_SIG_new();\n if (ret == NULL)\n goto err;\n ret->r = r;\n ret->s = s;\n err:\n if (ret == NULL) {\n DSAerr(DSA_F_DSA_DO_SIGN, reason);\n BN_free(r);\n BN_free(s);\n }\n BN_CTX_free(ctx);\n BN_clear_free(m);\n BN_clear_free(xr);\n BN_clear_free(kinv);\n return (ret);\n}', 'static int dsa_sign_setup(DSA *dsa, BN_CTX *ctx_in,\n BIGNUM **kinvp, BIGNUM **rp,\n const unsigned char *dgst, int dlen)\n{\n BN_CTX *ctx = NULL;\n BIGNUM *k, *kq, *K, *kinv = NULL, *r = NULL;\n int ret = 0;\n if (!dsa->p || !dsa->q || !dsa->g) {\n DSAerr(DSA_F_DSA_SIGN_SETUP, DSA_R_MISSING_PARAMETERS);\n return 0;\n }\n k = BN_new();\n kq = BN_new();\n if (k == NULL || kq == NULL)\n goto err;\n if (ctx_in == NULL) {\n if ((ctx = BN_CTX_new()) == NULL)\n goto err;\n } else\n ctx = ctx_in;\n if ((r = BN_new()) == NULL)\n goto err;\n do {\n if (dgst != NULL) {\n if (!BN_generate_dsa_nonce(k, dsa->q, dsa->priv_key, dgst,\n dlen, ctx))\n goto err;\n } else if (!BN_rand_range(k, dsa->q))\n goto err;\n } while (BN_is_zero(k));\n if ((dsa->flags & DSA_FLAG_NO_EXP_CONSTTIME) == 0) {\n BN_set_flags(k, BN_FLG_CONSTTIME);\n }\n if (dsa->flags & DSA_FLAG_CACHE_MONT_P) {\n if (!BN_MONT_CTX_set_locked(&dsa->method_mont_p,\n CRYPTO_LOCK_DSA, dsa->p, ctx))\n goto err;\n }\n if ((dsa->flags & DSA_FLAG_NO_EXP_CONSTTIME) == 0) {\n if (!BN_copy(kq, k))\n goto err;\n if (!BN_add(kq, kq, dsa->q))\n goto err;\n if (BN_num_bits(kq) <= BN_num_bits(dsa->q)) {\n if (!BN_add(kq, kq, dsa->q))\n goto err;\n }\n K = kq;\n } else {\n K = k;\n }\n DSA_BN_MOD_EXP(goto err, dsa, r, dsa->g, K, dsa->p, ctx,\n dsa->method_mont_p);\n if (!BN_mod(r, r, dsa->q, ctx))\n goto err;\n if ((kinv = BN_mod_inverse(NULL, k, dsa->q, ctx)) == NULL)\n goto err;\n BN_clear_free(*kinvp);\n *kinvp = kinv;\n kinv = NULL;\n BN_clear_free(*rp);\n *rp = r;\n ret = 1;\n err:\n if (!ret) {\n DSAerr(DSA_F_DSA_SIGN_SETUP, ERR_R_BN_LIB);\n BN_clear_free(r);\n }\n if (ctx != ctx_in)\n BN_CTX_free(ctx);\n BN_clear_free(k);\n BN_clear_free(kq);\n return (ret);\n}', 'int BN_mod_exp_mont(BIGNUM *rr, const BIGNUM *a, const BIGNUM *p,\n const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont)\n{\n int i, j, bits, ret = 0, wstart, wend, window, wvalue;\n int start = 1;\n BIGNUM *d, *r;\n const BIGNUM *aa;\n BIGNUM *val[TABLE_SIZE];\n BN_MONT_CTX *mont = NULL;\n if (BN_get_flags(p, BN_FLG_CONSTTIME) != 0) {\n return BN_mod_exp_mont_consttime(rr, a, p, m, ctx, in_mont);\n }\n bn_check_top(a);\n bn_check_top(p);\n bn_check_top(m);\n if (!BN_is_odd(m)) {\n BNerr(BN_F_BN_MOD_EXP_MONT, BN_R_CALLED_WITH_EVEN_MODULUS);\n return (0);\n }\n bits = BN_num_bits(p);\n if (bits == 0) {\n if (BN_is_one(m)) {\n ret = 1;\n BN_zero(rr);\n } else {\n ret = BN_one(rr);\n }\n return ret;\n }\n BN_CTX_start(ctx);\n d = BN_CTX_get(ctx);\n r = BN_CTX_get(ctx);\n val[0] = BN_CTX_get(ctx);\n if (!d || !r || !val[0])\n goto err;\n if (in_mont != NULL)\n mont = in_mont;\n else {\n if ((mont = BN_MONT_CTX_new()) == NULL)\n goto err;\n if (!BN_MONT_CTX_set(mont, m, ctx))\n goto err;\n }\n if (a->neg || BN_ucmp(a, m) >= 0) {\n if (!BN_nnmod(val[0], a, m, ctx))\n goto err;\n aa = val[0];\n } else\n aa = a;\n if (BN_is_zero(aa)) {\n BN_zero(rr);\n ret = 1;\n goto err;\n }\n if (!BN_to_montgomery(val[0], aa, mont, ctx))\n goto err;\n window = BN_window_bits_for_exponent_size(bits);\n if (window > 1) {\n if (!BN_mod_mul_montgomery(d, val[0], val[0], mont, ctx))\n goto err;\n j = 1 << (window - 1);\n for (i = 1; i < j; i++) {\n if (((val[i] = BN_CTX_get(ctx)) == NULL) ||\n !BN_mod_mul_montgomery(val[i], val[i - 1], d, mont, ctx))\n goto err;\n }\n }\n start = 1;\n wvalue = 0;\n wstart = bits - 1;\n wend = 0;\n#if 1\n j = m->top;\n if (m->d[j - 1] & (((BN_ULONG)1) << (BN_BITS2 - 1))) {\n if (bn_wexpand(r, j) == NULL)\n goto err;\n r->d[0] = (0 - m->d[0]) & BN_MASK2;\n for (i = 1; i < j; i++)\n r->d[i] = (~m->d[i]) & BN_MASK2;\n r->top = j;\n bn_correct_top(r);\n } else\n#endif\n if (!BN_to_montgomery(r, BN_value_one(), mont, ctx))\n goto err;\n for (;;) {\n if (BN_is_bit_set(p, wstart) == 0) {\n if (!start) {\n if (!BN_mod_mul_montgomery(r, r, r, mont, ctx))\n goto err;\n }\n if (wstart == 0)\n break;\n wstart--;\n continue;\n }\n j = wstart;\n wvalue = 1;\n wend = 0;\n for (i = 1; i < window; i++) {\n if (wstart - i < 0)\n break;\n if (BN_is_bit_set(p, wstart - i)) {\n wvalue <<= (i - wend);\n wvalue |= 1;\n wend = i;\n }\n }\n j = wend + 1;\n if (!start)\n for (i = 0; i < j; i++) {\n if (!BN_mod_mul_montgomery(r, r, r, mont, ctx))\n goto err;\n }\n if (!BN_mod_mul_montgomery(r, r, val[wvalue >> 1], mont, ctx))\n goto err;\n wstart -= wend + 1;\n wvalue = 0;\n start = 0;\n if (wstart < 0)\n break;\n }\n#if defined(SPARC_T4_MONT)\n if (OPENSSL_sparcv9cap_P[0] & (SPARCV9_VIS3 | SPARCV9_PREFER_FPU)) {\n j = mont->N.top;\n val[0]->d[0] = 1;\n for (i = 1; i < j; i++)\n val[0]->d[i] = 0;\n val[0]->top = j;\n if (!BN_mod_mul_montgomery(rr, r, val[0], mont, ctx))\n goto err;\n } else\n#endif\n if (!BN_from_montgomery(rr, r, mont, ctx))\n goto err;\n ret = 1;\n err:\n if (in_mont == NULL)\n BN_MONT_CTX_free(mont);\n BN_CTX_end(ctx);\n bn_check_top(rr);\n return (ret);\n}', 'int BN_mod_exp_mont_consttime(BIGNUM *rr, const BIGNUM *a, const BIGNUM *p,\n const BIGNUM *m, BN_CTX *ctx,\n BN_MONT_CTX *in_mont)\n{\n int i, bits, ret = 0, window, wvalue;\n int top;\n BN_MONT_CTX *mont = NULL;\n int numPowers;\n unsigned char *powerbufFree = NULL;\n int powerbufLen = 0;\n unsigned char *powerbuf = NULL;\n BIGNUM tmp, am;\n#if defined(SPARC_T4_MONT)\n unsigned int t4 = 0;\n#endif\n bn_check_top(a);\n bn_check_top(p);\n bn_check_top(m);\n if (!BN_is_odd(m)) {\n BNerr(BN_F_BN_MOD_EXP_MONT_CONSTTIME, BN_R_CALLED_WITH_EVEN_MODULUS);\n return (0);\n }\n top = m->top;\n bits = BN_num_bits(p);\n if (bits == 0) {\n if (BN_is_one(m)) {\n ret = 1;\n BN_zero(rr);\n } else {\n ret = BN_one(rr);\n }\n return ret;\n }\n BN_CTX_start(ctx);\n if (in_mont != NULL)\n mont = in_mont;\n else {\n if ((mont = BN_MONT_CTX_new()) == NULL)\n goto err;\n if (!BN_MONT_CTX_set(mont, m, ctx))\n goto err;\n }\n#ifdef RSAZ_ENABLED\n if ((16 == a->top) && (16 == p->top) && (BN_num_bits(m) == 1024)\n && rsaz_avx2_eligible()) {\n if (NULL == bn_wexpand(rr, 16))\n goto err;\n RSAZ_1024_mod_exp_avx2(rr->d, a->d, p->d, m->d, mont->RR.d,\n mont->n0[0]);\n rr->top = 16;\n rr->neg = 0;\n bn_correct_top(rr);\n ret = 1;\n goto err;\n } else if ((8 == a->top) && (8 == p->top) && (BN_num_bits(m) == 512)) {\n if (NULL == bn_wexpand(rr, 8))\n goto err;\n RSAZ_512_mod_exp(rr->d, a->d, p->d, m->d, mont->n0[0], mont->RR.d);\n rr->top = 8;\n rr->neg = 0;\n bn_correct_top(rr);\n ret = 1;\n goto err;\n }\n#endif\n window = BN_window_bits_for_ctime_exponent_size(bits);\n#if defined(SPARC_T4_MONT)\n if (window >= 5 && (top & 15) == 0 && top <= 64 &&\n (OPENSSL_sparcv9cap_P[1] & (CFR_MONTMUL | CFR_MONTSQR)) ==\n (CFR_MONTMUL | CFR_MONTSQR) && (t4 = OPENSSL_sparcv9cap_P[0]))\n window = 5;\n else\n#endif\n#if defined(OPENSSL_BN_ASM_MONT5)\n if (window >= 5) {\n window = 5;\n if ((top & 7) == 0)\n powerbufLen += 2 * top * sizeof(m->d[0]);\n }\n#endif\n (void)0;\n numPowers = 1 << window;\n powerbufLen += sizeof(m->d[0]) * (top * numPowers +\n ((2 * top) >\n numPowers ? (2 * top) : numPowers));\n#ifdef alloca\n if (powerbufLen < 3072)\n powerbufFree =\n alloca(powerbufLen + MOD_EXP_CTIME_MIN_CACHE_LINE_WIDTH);\n else\n#endif\n if ((powerbufFree =\n OPENSSL_malloc(powerbufLen + MOD_EXP_CTIME_MIN_CACHE_LINE_WIDTH))\n == NULL)\n goto err;\n powerbuf = MOD_EXP_CTIME_ALIGN(powerbufFree);\n memset(powerbuf, 0, powerbufLen);\n#ifdef alloca\n if (powerbufLen < 3072)\n powerbufFree = NULL;\n#endif\n tmp.d = (BN_ULONG *)(powerbuf + sizeof(m->d[0]) * top * numPowers);\n am.d = tmp.d + top;\n tmp.top = am.top = 0;\n tmp.dmax = am.dmax = top;\n tmp.neg = am.neg = 0;\n tmp.flags = am.flags = BN_FLG_STATIC_DATA;\n#if 1\n if (m->d[top - 1] & (((BN_ULONG)1) << (BN_BITS2 - 1))) {\n tmp.d[0] = (0 - m->d[0]) & BN_MASK2;\n for (i = 1; i < top; i++)\n tmp.d[i] = (~m->d[i]) & BN_MASK2;\n tmp.top = top;\n } else\n#endif\n if (!BN_to_montgomery(&tmp, BN_value_one(), mont, ctx))\n goto err;\n if (a->neg || BN_ucmp(a, m) >= 0) {\n if (!BN_mod(&am, a, m, ctx))\n goto err;\n if (!BN_to_montgomery(&am, &am, mont, ctx))\n goto err;\n } else if (!BN_to_montgomery(&am, a, mont, ctx))\n goto err;\n#if defined(SPARC_T4_MONT)\n if (t4) {\n typedef int (*bn_pwr5_mont_f) (BN_ULONG *tp, const BN_ULONG *np,\n const BN_ULONG *n0, const void *table,\n int power, int bits);\n int bn_pwr5_mont_t4_8(BN_ULONG *tp, const BN_ULONG *np,\n const BN_ULONG *n0, const void *table,\n int power, int bits);\n int bn_pwr5_mont_t4_16(BN_ULONG *tp, const BN_ULONG *np,\n const BN_ULONG *n0, const void *table,\n int power, int bits);\n int bn_pwr5_mont_t4_24(BN_ULONG *tp, const BN_ULONG *np,\n const BN_ULONG *n0, const void *table,\n int power, int bits);\n int bn_pwr5_mont_t4_32(BN_ULONG *tp, const BN_ULONG *np,\n const BN_ULONG *n0, const void *table,\n int power, int bits);\n static const bn_pwr5_mont_f pwr5_funcs[4] = {\n bn_pwr5_mont_t4_8, bn_pwr5_mont_t4_16,\n bn_pwr5_mont_t4_24, bn_pwr5_mont_t4_32\n };\n bn_pwr5_mont_f pwr5_worker = pwr5_funcs[top / 16 - 1];\n typedef int (*bn_mul_mont_f) (BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0);\n int bn_mul_mont_t4_8(BN_ULONG *rp, const BN_ULONG *ap, const void *bp,\n const BN_ULONG *np, const BN_ULONG *n0);\n int bn_mul_mont_t4_16(BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0);\n int bn_mul_mont_t4_24(BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0);\n int bn_mul_mont_t4_32(BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0);\n static const bn_mul_mont_f mul_funcs[4] = {\n bn_mul_mont_t4_8, bn_mul_mont_t4_16,\n bn_mul_mont_t4_24, bn_mul_mont_t4_32\n };\n bn_mul_mont_f mul_worker = mul_funcs[top / 16 - 1];\n void bn_mul_mont_vis3(BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0, int num);\n void bn_mul_mont_t4(BN_ULONG *rp, const BN_ULONG *ap,\n const void *bp, const BN_ULONG *np,\n const BN_ULONG *n0, int num);\n void bn_mul_mont_gather5_t4(BN_ULONG *rp, const BN_ULONG *ap,\n const void *table, const BN_ULONG *np,\n const BN_ULONG *n0, int num, int power);\n void bn_flip_n_scatter5_t4(const BN_ULONG *inp, size_t num,\n void *table, size_t power);\n void bn_gather5_t4(BN_ULONG *out, size_t num,\n void *table, size_t power);\n void bn_flip_t4(BN_ULONG *dst, BN_ULONG *src, size_t num);\n BN_ULONG *np = mont->N.d, *n0 = mont->n0;\n int stride = 5 * (6 - (top / 16 - 1));\n for (i = am.top; i < top; i++)\n am.d[i] = 0;\n for (i = tmp.top; i < top; i++)\n tmp.d[i] = 0;\n bn_flip_n_scatter5_t4(tmp.d, top, powerbuf, 0);\n bn_flip_n_scatter5_t4(am.d, top, powerbuf, 1);\n if (!(*mul_worker) (tmp.d, am.d, am.d, np, n0) &&\n !(*mul_worker) (tmp.d, am.d, am.d, np, n0))\n bn_mul_mont_vis3(tmp.d, am.d, am.d, np, n0, top);\n bn_flip_n_scatter5_t4(tmp.d, top, powerbuf, 2);\n for (i = 3; i < 32; i++) {\n if (!(*mul_worker) (tmp.d, tmp.d, am.d, np, n0) &&\n !(*mul_worker) (tmp.d, tmp.d, am.d, np, n0))\n bn_mul_mont_vis3(tmp.d, tmp.d, am.d, np, n0, top);\n bn_flip_n_scatter5_t4(tmp.d, top, powerbuf, i);\n }\n np = alloca(top * sizeof(BN_ULONG));\n top /= 2;\n bn_flip_t4(np, mont->N.d, top);\n bits--;\n for (wvalue = 0, i = bits % 5; i >= 0; i--, bits--)\n wvalue = (wvalue << 1) + BN_is_bit_set(p, bits);\n bn_gather5_t4(tmp.d, top, powerbuf, wvalue);\n while (bits >= 0) {\n if (bits < stride)\n stride = bits + 1;\n bits -= stride;\n wvalue = bn_get_bits(p, bits + 1);\n if ((*pwr5_worker) (tmp.d, np, n0, powerbuf, wvalue, stride))\n continue;\n if ((*pwr5_worker) (tmp.d, np, n0, powerbuf, wvalue, stride))\n continue;\n bits += stride - 5;\n wvalue >>= stride - 5;\n wvalue &= 31;\n bn_mul_mont_t4(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_t4(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_t4(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_t4(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_t4(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_gather5_t4(tmp.d, tmp.d, powerbuf, np, n0, top,\n wvalue);\n }\n bn_flip_t4(tmp.d, tmp.d, top);\n top *= 2;\n tmp.top = top;\n bn_correct_top(&tmp);\n OPENSSL_cleanse(np, top * sizeof(BN_ULONG));\n } else\n#endif\n#if defined(OPENSSL_BN_ASM_MONT5)\n if (window == 5 && top > 1) {\n void bn_mul_mont_gather5(BN_ULONG *rp, const BN_ULONG *ap,\n const void *table, const BN_ULONG *np,\n const BN_ULONG *n0, int num, int power);\n void bn_scatter5(const BN_ULONG *inp, size_t num,\n void *table, size_t power);\n void bn_gather5(BN_ULONG *out, size_t num, void *table, size_t power);\n void bn_power5(BN_ULONG *rp, const BN_ULONG *ap,\n const void *table, const BN_ULONG *np,\n const BN_ULONG *n0, int num, int power);\n int bn_get_bits5(const BN_ULONG *ap, int off);\n int bn_from_montgomery(BN_ULONG *rp, const BN_ULONG *ap,\n const BN_ULONG *not_used, const BN_ULONG *np,\n const BN_ULONG *n0, int num);\n BN_ULONG *np = mont->N.d, *n0 = mont->n0, *np2;\n for (i = am.top; i < top; i++)\n am.d[i] = 0;\n for (i = tmp.top; i < top; i++)\n tmp.d[i] = 0;\n if (top & 7)\n np2 = np;\n else\n for (np2 = am.d + top, i = 0; i < top; i++)\n np2[2 * i] = np[i];\n bn_scatter5(tmp.d, top, powerbuf, 0);\n bn_scatter5(am.d, am.top, powerbuf, 1);\n bn_mul_mont(tmp.d, am.d, am.d, np, n0, top);\n bn_scatter5(tmp.d, top, powerbuf, 2);\n# if 0\n for (i = 3; i < 32; i++) {\n bn_mul_mont_gather5(tmp.d, am.d, powerbuf, np2, n0, top, i - 1);\n bn_scatter5(tmp.d, top, powerbuf, i);\n }\n# else\n for (i = 4; i < 32; i *= 2) {\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_scatter5(tmp.d, top, powerbuf, i);\n }\n for (i = 3; i < 8; i += 2) {\n int j;\n bn_mul_mont_gather5(tmp.d, am.d, powerbuf, np2, n0, top, i - 1);\n bn_scatter5(tmp.d, top, powerbuf, i);\n for (j = 2 * i; j < 32; j *= 2) {\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_scatter5(tmp.d, top, powerbuf, j);\n }\n }\n for (; i < 16; i += 2) {\n bn_mul_mont_gather5(tmp.d, am.d, powerbuf, np2, n0, top, i - 1);\n bn_scatter5(tmp.d, top, powerbuf, i);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_scatter5(tmp.d, top, powerbuf, 2 * i);\n }\n for (; i < 32; i += 2) {\n bn_mul_mont_gather5(tmp.d, am.d, powerbuf, np2, n0, top, i - 1);\n bn_scatter5(tmp.d, top, powerbuf, i);\n }\n# endif\n bits--;\n for (wvalue = 0, i = bits % 5; i >= 0; i--, bits--)\n wvalue = (wvalue << 1) + BN_is_bit_set(p, bits);\n bn_gather5(tmp.d, top, powerbuf, wvalue);\n if (top & 7)\n while (bits >= 0) {\n for (wvalue = 0, i = 0; i < 5; i++, bits--)\n wvalue = (wvalue << 1) + BN_is_bit_set(p, bits);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont(tmp.d, tmp.d, tmp.d, np, n0, top);\n bn_mul_mont_gather5(tmp.d, tmp.d, powerbuf, np, n0, top,\n wvalue);\n } else {\n while (bits >= 0) {\n wvalue = bn_get_bits5(p->d, bits - 4);\n bits -= 5;\n bn_power5(tmp.d, tmp.d, powerbuf, np2, n0, top, wvalue);\n }\n }\n ret = bn_from_montgomery(tmp.d, tmp.d, NULL, np2, n0, top);\n tmp.top = top;\n bn_correct_top(&tmp);\n if (ret) {\n if (!BN_copy(rr, &tmp))\n ret = 0;\n goto err;\n }\n } else\n#endif\n {\n if (!MOD_EXP_CTIME_COPY_TO_PREBUF(&tmp, top, powerbuf, 0, numPowers))\n goto err;\n if (!MOD_EXP_CTIME_COPY_TO_PREBUF(&am, top, powerbuf, 1, numPowers))\n goto err;\n if (window > 1) {\n if (!BN_mod_mul_montgomery(&tmp, &am, &am, mont, ctx))\n goto err;\n if (!MOD_EXP_CTIME_COPY_TO_PREBUF\n (&tmp, top, powerbuf, 2, numPowers))\n goto err;\n for (i = 3; i < numPowers; i++) {\n if (!BN_mod_mul_montgomery(&tmp, &am, &tmp, mont, ctx))\n goto err;\n if (!MOD_EXP_CTIME_COPY_TO_PREBUF\n (&tmp, top, powerbuf, i, numPowers))\n goto err;\n }\n }\n bits--;\n for (wvalue = 0, i = bits % window; i >= 0; i--, bits--)\n wvalue = (wvalue << 1) + BN_is_bit_set(p, bits);\n if (!MOD_EXP_CTIME_COPY_FROM_PREBUF\n (&tmp, top, powerbuf, wvalue, numPowers))\n goto err;\n while (bits >= 0) {\n wvalue = 0;\n for (i = 0; i < window; i++, bits--) {\n if (!BN_mod_mul_montgomery(&tmp, &tmp, &tmp, mont, ctx))\n goto err;\n wvalue = (wvalue << 1) + BN_is_bit_set(p, bits);\n }\n if (!MOD_EXP_CTIME_COPY_FROM_PREBUF\n (&am, top, powerbuf, wvalue, numPowers))\n goto err;\n if (!BN_mod_mul_montgomery(&tmp, &tmp, &am, mont, ctx))\n goto err;\n }\n }\n#if defined(SPARC_T4_MONT)\n if (OPENSSL_sparcv9cap_P[0] & (SPARCV9_VIS3 | SPARCV9_PREFER_FPU)) {\n am.d[0] = 1;\n for (i = 1; i < top; i++)\n am.d[i] = 0;\n if (!BN_mod_mul_montgomery(rr, &tmp, &am, mont, ctx))\n goto err;\n } else\n#endif\n if (!BN_from_montgomery(rr, &tmp, mont, ctx))\n goto err;\n ret = 1;\n err:\n if (in_mont == NULL)\n BN_MONT_CTX_free(mont);\n if (powerbuf != NULL) {\n OPENSSL_cleanse(powerbuf, powerbufLen);\n OPENSSL_free(powerbufFree);\n }\n BN_CTX_end(ctx);\n return (ret);\n}', 'int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,\n BN_CTX *ctx)\n{\n int norm_shift, i, loop;\n BIGNUM *tmp, wnum, *snum, *sdiv, *res;\n BN_ULONG *resp, *wnump;\n BN_ULONG d0, d1;\n int num_n, div_n;\n int no_branch = 0;\n if ((num->top > 0 && num->d[num->top - 1] == 0) ||\n (divisor->top > 0 && divisor->d[divisor->top - 1] == 0)) {\n BNerr(BN_F_BN_DIV, BN_R_NOT_INITIALIZED);\n return 0;\n }\n bn_check_top(num);\n bn_check_top(divisor);\n if ((BN_get_flags(num, BN_FLG_CONSTTIME) != 0)\n || (BN_get_flags(divisor, BN_FLG_CONSTTIME) != 0)) {\n no_branch = 1;\n }\n bn_check_top(dv);\n bn_check_top(rm);\n if (BN_is_zero(divisor)) {\n BNerr(BN_F_BN_DIV, BN_R_DIV_BY_ZERO);\n return (0);\n }\n if (!no_branch && BN_ucmp(num, divisor) < 0) {\n if (rm != NULL) {\n if (BN_copy(rm, num) == NULL)\n return (0);\n }\n if (dv != NULL)\n BN_zero(dv);\n return (1);\n }\n BN_CTX_start(ctx);\n tmp = BN_CTX_get(ctx);\n snum = BN_CTX_get(ctx);\n sdiv = BN_CTX_get(ctx);\n if (dv == NULL)\n res = BN_CTX_get(ctx);\n else\n res = dv;\n if (sdiv == NULL || res == NULL || tmp == NULL || snum == NULL)\n goto err;\n norm_shift = BN_BITS2 - ((BN_num_bits(divisor)) % BN_BITS2);\n if (!(BN_lshift(sdiv, divisor, norm_shift)))\n goto err;\n sdiv->neg = 0;\n norm_shift += BN_BITS2;\n if (!(BN_lshift(snum, num, norm_shift)))\n goto err;\n snum->neg = 0;\n if (no_branch) {\n if (snum->top <= sdiv->top + 1) {\n if (bn_wexpand(snum, sdiv->top + 2) == NULL)\n goto err;\n for (i = snum->top; i < sdiv->top + 2; i++)\n snum->d[i] = 0;\n snum->top = sdiv->top + 2;\n } else {\n if (bn_wexpand(snum, snum->top + 1) == NULL)\n goto err;\n snum->d[snum->top] = 0;\n snum->top++;\n }\n }\n div_n = sdiv->top;\n num_n = snum->top;\n loop = num_n - div_n;\n wnum.neg = 0;\n wnum.d = &(snum->d[loop]);\n wnum.top = div_n;\n wnum.dmax = snum->dmax - loop;\n d0 = sdiv->d[div_n - 1];\n d1 = (div_n == 1) ? 0 : sdiv->d[div_n - 2];\n wnump = &(snum->d[num_n - 1]);\n res->neg = (num->neg ^ divisor->neg);\n if (!bn_wexpand(res, (loop + 1)))\n goto err;\n res->top = loop - no_branch;\n resp = &(res->d[loop - 1]);\n if (!bn_wexpand(tmp, (div_n + 1)))\n goto err;\n if (!no_branch) {\n if (BN_ucmp(&wnum, sdiv) >= 0) {\n bn_clear_top2max(&wnum);\n bn_sub_words(wnum.d, wnum.d, sdiv->d, div_n);\n *resp = 1;\n } else\n res->top--;\n }\n if (res->top == 0)\n res->neg = 0;\n else\n resp--;\n for (i = 0; i < loop - 1; i++, wnump--, resp--) {\n BN_ULONG q, l0;\n# if defined(BN_DIV3W) && !defined(OPENSSL_NO_ASM)\n BN_ULONG bn_div_3_words(BN_ULONG *, BN_ULONG, BN_ULONG);\n q = bn_div_3_words(wnump, d1, d0);\n# else\n BN_ULONG n0, n1, rem = 0;\n n0 = wnump[0];\n n1 = wnump[-1];\n if (n0 == d0)\n q = BN_MASK2;\n else {\n# ifdef BN_LLONG\n BN_ULLONG t2;\n# if defined(BN_LLONG) && defined(BN_DIV2W) && !defined(bn_div_words)\n q = (BN_ULONG)(((((BN_ULLONG) n0) << BN_BITS2) | n1) / d0);\n# else\n q = bn_div_words(n0, n1, d0);\n# ifdef BN_DEBUG_LEVITTE\n fprintf(stderr, "DEBUG: bn_div_words(0x%08X,0x%08X,0x%08\\\nX) -> 0x%08X\\n", n0, n1, d0, q);\n# endif\n# endif\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n t2 = (BN_ULLONG) d1 *q;\n for (;;) {\n if (t2 <= ((((BN_ULLONG) rem) << BN_BITS2) | wnump[-2]))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n t2 -= d1;\n }\n# else\n BN_ULONG t2l, t2h;\n q = bn_div_words(n0, n1, d0);\n# ifdef BN_DEBUG_LEVITTE\n fprintf(stderr, "DEBUG: bn_div_words(0x%08X,0x%08X,0x%08\\\nX) -> 0x%08X\\n", n0, n1, d0, q);\n# endif\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n# if defined(BN_UMULT_LOHI)\n BN_UMULT_LOHI(t2l, t2h, d1, q);\n# elif defined(BN_UMULT_HIGH)\n t2l = d1 * q;\n t2h = BN_UMULT_HIGH(d1, q);\n# else\n {\n BN_ULONG ql, qh;\n t2l = LBITS(d1);\n t2h = HBITS(d1);\n ql = LBITS(q);\n qh = HBITS(q);\n mul64(t2l, t2h, ql, qh);\n }\n# endif\n for (;;) {\n if ((t2h < rem) || ((t2h == rem) && (t2l <= wnump[-2])))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n if (t2l < d1)\n t2h--;\n t2l -= d1;\n }\n# endif\n }\n# endif\n l0 = bn_mul_words(tmp->d, sdiv->d, div_n, q);\n tmp->d[div_n] = l0;\n wnum.d--;\n if (bn_sub_words(wnum.d, wnum.d, tmp->d, div_n + 1)) {\n q--;\n if (bn_add_words(wnum.d, wnum.d, sdiv->d, div_n))\n (*wnump)++;\n }\n *resp = q;\n }\n bn_correct_top(snum);\n if (rm != NULL) {\n int neg = num->neg;\n BN_rshift(rm, snum, norm_shift);\n if (!BN_is_zero(rm))\n rm->neg = neg;\n bn_check_top(rm);\n }\n if (no_branch)\n bn_correct_top(res);\n BN_CTX_end(ctx);\n return (1);\n err:\n bn_check_top(rm);\n BN_CTX_end(ctx);\n return (0);\n}', 'int BN_lshift(BIGNUM *r, const BIGNUM *a, int n)\n{\n int i, nw, lb, rb;\n BN_ULONG *t, *f;\n BN_ULONG l;\n bn_check_top(r);\n bn_check_top(a);\n if (n < 0) {\n BNerr(BN_F_BN_LSHIFT, BN_R_INVALID_SHIFT);\n return 0;\n }\n r->neg = a->neg;\n nw = n / BN_BITS2;\n if (bn_wexpand(r, a->top + nw + 1) == NULL)\n return (0);\n lb = n % BN_BITS2;\n rb = BN_BITS2 - lb;\n f = a->d;\n t = r->d;\n t[a->top + nw] = 0;\n if (lb == 0)\n for (i = a->top - 1; i >= 0; i--)\n t[nw + i] = f[i];\n else\n for (i = a->top - 1; i >= 0; i--) {\n l = f[i];\n t[nw + i + 1] |= (l >> rb) & BN_MASK2;\n t[nw + i] = (l << lb) & BN_MASK2;\n }\n memset(t, 0, sizeof(*t) * nw);\n r->top = a->top + nw + 1;\n bn_correct_top(r);\n bn_check_top(r);\n return (1);\n}', 'BIGNUM *bn_wexpand(BIGNUM *a, int words)\n{\n return (words <= a->dmax) ? a : bn_expand2(a, words);\n}'] |
21,082 | 0 | https://github.com/openssl/openssl/blob/9c46f4b9cd4912b61cb546c48b678488d7f26ed6/crypto/x509/x509_trs.c/#L134 | int X509_check_trust(X509 *x, int id, int flags)
{
X509_TRUST *pt;
int idx;
if (id == -1)
return 1;
if (id == 0) {
int rv;
rv = obj_trust(NID_anyExtendedKeyUsage, x, 0);
if (rv != X509_TRUST_UNTRUSTED)
return rv;
return trust_compat(NULL, x, 0);
}
idx = X509_TRUST_get_by_id(id);
if (idx == -1)
return default_trust(id, x, flags);
pt = X509_TRUST_get0(idx);
return pt->check_trust(pt, x, flags);
} | ['int X509_check_trust(X509 *x, int id, int flags)\n{\n X509_TRUST *pt;\n int idx;\n if (id == -1)\n return 1;\n if (id == 0) {\n int rv;\n rv = obj_trust(NID_anyExtendedKeyUsage, x, 0);\n if (rv != X509_TRUST_UNTRUSTED)\n return rv;\n return trust_compat(NULL, x, 0);\n }\n idx = X509_TRUST_get_by_id(id);\n if (idx == -1)\n return default_trust(id, x, flags);\n pt = X509_TRUST_get0(idx);\n return pt->check_trust(pt, x, flags);\n}', 'int X509_TRUST_get_by_id(int id)\n{\n X509_TRUST tmp;\n int idx;\n if ((id >= X509_TRUST_MIN) && (id <= X509_TRUST_MAX))\n return id - X509_TRUST_MIN;\n tmp.trust = id;\n if (!trtable)\n return -1;\n idx = sk_X509_TRUST_find(trtable, &tmp);\n if (idx == -1)\n return -1;\n return idx + X509_TRUST_COUNT;\n}', 'int sk_find(_STACK *st, void *data)\n{\n return internal_find(st, data, OBJ_BSEARCH_FIRST_VALUE_ON_MATCH);\n}', 'static int internal_find(_STACK *st, void *data, int ret_val_options)\n{\n const void *const *r;\n int i;\n if (st == NULL)\n return -1;\n if (st->comp == NULL) {\n for (i = 0; i < st->num; i++)\n if (st->data[i] == data)\n return (i);\n return (-1);\n }\n sk_sort(st);\n if (data == NULL)\n return (-1);\n r = OBJ_bsearch_ex_(&data, st->data, st->num, sizeof(void *), st->comp,\n ret_val_options);\n if (r == NULL)\n return (-1);\n return (int)((char **)r - st->data);\n}', 'X509_TRUST *X509_TRUST_get0(int idx)\n{\n if (idx < 0)\n return NULL;\n if (idx < (int)X509_TRUST_COUNT)\n return trstandard + idx;\n return sk_X509_TRUST_value(trtable, idx - X509_TRUST_COUNT);\n}', 'void *sk_value(const _STACK *st, int i)\n{\n if (!st || (i < 0) || (i >= st->num))\n return NULL;\n return st->data[i];\n}'] |
21,083 | 0 | https://github.com/libav/libav/blob/da5bcafe3b728f255ad068fc406622515b435082/libavcodec/aacsbr.c/#L534 | static int sbr_hf_calc_npatches(AACContext *ac, SpectralBandReplication *sbr)
{
int i, k, sb = 0;
int msb = sbr->k[0];
int usb = sbr->kx[1];
int goal_sb = ((1000 << 11) + (sbr->sample_rate >> 1)) / sbr->sample_rate;
sbr->num_patches = 0;
if (goal_sb < sbr->kx[1] + sbr->m[1]) {
for (k = 0; sbr->f_master[k] < goal_sb; k++) ;
} else
k = sbr->n_master;
do {
int odd = 0;
for (i = k; i == k || sb > (sbr->k[0] - 1 + msb - odd); i--) {
sb = sbr->f_master[i];
odd = (sb + sbr->k[0]) & 1;
}
sbr->patch_num_subbands[sbr->num_patches] = FFMAX(sb - usb, 0);
sbr->patch_start_subband[sbr->num_patches] = sbr->k[0] - odd - sbr->patch_num_subbands[sbr->num_patches];
if (sbr->patch_num_subbands[sbr->num_patches] > 0) {
usb = sb;
msb = sb;
sbr->num_patches++;
} else
msb = sbr->kx[1];
if (sbr->f_master[k] - sb < 3)
k = sbr->n_master;
} while (sb != sbr->kx[1] + sbr->m[1]);
if (sbr->patch_num_subbands[sbr->num_patches-1] < 3 && sbr->num_patches > 1)
sbr->num_patches--;
if (sbr->num_patches > 6) {
av_log(ac->avccontext, AV_LOG_ERROR, "Too many patches: %d\n", sbr->num_patches);
return -1;
}
return 0;
} | ['static int sbr_hf_calc_npatches(AACContext *ac, SpectralBandReplication *sbr)\n{\n int i, k, sb = 0;\n int msb = sbr->k[0];\n int usb = sbr->kx[1];\n int goal_sb = ((1000 << 11) + (sbr->sample_rate >> 1)) / sbr->sample_rate;\n sbr->num_patches = 0;\n if (goal_sb < sbr->kx[1] + sbr->m[1]) {\n for (k = 0; sbr->f_master[k] < goal_sb; k++) ;\n } else\n k = sbr->n_master;\n do {\n int odd = 0;\n for (i = k; i == k || sb > (sbr->k[0] - 1 + msb - odd); i--) {\n sb = sbr->f_master[i];\n odd = (sb + sbr->k[0]) & 1;\n }\n sbr->patch_num_subbands[sbr->num_patches] = FFMAX(sb - usb, 0);\n sbr->patch_start_subband[sbr->num_patches] = sbr->k[0] - odd - sbr->patch_num_subbands[sbr->num_patches];\n if (sbr->patch_num_subbands[sbr->num_patches] > 0) {\n usb = sb;\n msb = sb;\n sbr->num_patches++;\n } else\n msb = sbr->kx[1];\n if (sbr->f_master[k] - sb < 3)\n k = sbr->n_master;\n } while (sb != sbr->kx[1] + sbr->m[1]);\n if (sbr->patch_num_subbands[sbr->num_patches-1] < 3 && sbr->num_patches > 1)\n sbr->num_patches--;\n if (sbr->num_patches > 6) {\n av_log(ac->avccontext, AV_LOG_ERROR, "Too many patches: %d\\n", sbr->num_patches);\n return -1;\n }\n return 0;\n}'] |
21,084 | 1 | https://github.com/libav/libav/blob/63e8d9760f23a4edf81e9ae58c4f6d3baa6ff4dd/libavcodec/mpegaudiodec.c/#L683 | static void apply_window_mp3_c(MPA_INT *synth_buf, MPA_INT *window,
int *dither_state, OUT_INT *samples, int incr)
{
register const MPA_INT *w, *w2, *p;
int j;
OUT_INT *samples2;
#if CONFIG_FLOAT
float sum, sum2;
#elif FRAC_BITS <= 15
int sum, sum2;
#else
int64_t sum, sum2;
#endif
memcpy(synth_buf + 512, synth_buf, 32 * sizeof(*synth_buf));
samples2 = samples + 31 * incr;
w = window;
w2 = window + 31;
sum = *dither_state;
p = synth_buf + 16;
SUM8(MACS, sum, w, p);
p = synth_buf + 48;
SUM8(MLSS, sum, w + 32, p);
*samples = round_sample(&sum);
samples += incr;
w++;
for(j=1;j<16;j++) {
sum2 = 0;
p = synth_buf + 16 + j;
SUM8P2(sum, MACS, sum2, MLSS, w, w2, p);
p = synth_buf + 48 - j;
SUM8P2(sum, MLSS, sum2, MLSS, w + 32, w2 + 32, p);
*samples = round_sample(&sum);
samples += incr;
sum += sum2;
*samples2 = round_sample(&sum);
samples2 -= incr;
w++;
w2--;
}
p = synth_buf + 32;
SUM8(MLSS, sum, w + 32, p);
*samples = round_sample(&sum);
*dither_state= sum;
} | ['static void mpc_synth(MPCContext *c, int16_t *out)\n{\n int dither_state = 0;\n int i, ch;\n OUT_INT samples[MPA_MAX_CHANNELS * MPA_FRAME_SIZE], *samples_ptr;\n for(ch = 0; ch < 2; ch++){\n samples_ptr = samples + ch;\n for(i = 0; i < SAMPLES_PER_BAND; i++) {\n ff_mpa_synth_filter(c->synth_buf[ch], &(c->synth_buf_offset[ch]),\n ff_mpa_synth_window, &dither_state,\n samples_ptr, 2,\n c->sb_samples[ch][i]);\n samples_ptr += 64;\n }\n }\n for(i = 0; i < MPC_FRAME_SIZE*2; i++)\n *out++=samples[i];\n}', 'void ff_mpa_synth_filter(MPA_INT *synth_buf_ptr, int *synth_buf_offset,\n MPA_INT *window, int *dither_state,\n OUT_INT *samples, int incr,\n INTFLOAT sb_samples[SBLIMIT])\n{\n register MPA_INT *synth_buf;\n int offset;\n#if FRAC_BITS <= 15\n int32_t tmp[32];\n int j;\n#endif\n offset = *synth_buf_offset;\n synth_buf = synth_buf_ptr + offset;\n#if FRAC_BITS <= 15\n dct32(tmp, sb_samples);\n for(j=0;j<32;j++) {\n synth_buf[j] = av_clip_int16(tmp[j]);\n }\n#else\n dct32(synth_buf, sb_samples);\n#endif\n apply_window_mp3_c(synth_buf, window, dither_state, samples, incr);\n offset = (offset - 32) & 511;\n *synth_buf_offset = offset;\n}', 'static void apply_window_mp3_c(MPA_INT *synth_buf, MPA_INT *window,\n int *dither_state, OUT_INT *samples, int incr)\n{\n register const MPA_INT *w, *w2, *p;\n int j;\n OUT_INT *samples2;\n#if CONFIG_FLOAT\n float sum, sum2;\n#elif FRAC_BITS <= 15\n int sum, sum2;\n#else\n int64_t sum, sum2;\n#endif\n memcpy(synth_buf + 512, synth_buf, 32 * sizeof(*synth_buf));\n samples2 = samples + 31 * incr;\n w = window;\n w2 = window + 31;\n sum = *dither_state;\n p = synth_buf + 16;\n SUM8(MACS, sum, w, p);\n p = synth_buf + 48;\n SUM8(MLSS, sum, w + 32, p);\n *samples = round_sample(&sum);\n samples += incr;\n w++;\n for(j=1;j<16;j++) {\n sum2 = 0;\n p = synth_buf + 16 + j;\n SUM8P2(sum, MACS, sum2, MLSS, w, w2, p);\n p = synth_buf + 48 - j;\n SUM8P2(sum, MLSS, sum2, MLSS, w + 32, w2 + 32, p);\n *samples = round_sample(&sum);\n samples += incr;\n sum += sum2;\n *samples2 = round_sample(&sum);\n samples2 -= incr;\n w++;\n w2--;\n }\n p = synth_buf + 32;\n SUM8(MLSS, sum, w + 32, p);\n *samples = round_sample(&sum);\n *dither_state= sum;\n}'] |
21,085 | 0 | https://github.com/openssl/openssl/blob/260a16f33682a819414fcba6161708a5e6bdff50/test/drbgtest.c/#L153 | static size_t kat_nonce(RAND_DRBG *drbg, unsigned char **pout,
int entropy, size_t min_len, size_t max_len)
{
TEST_CTX *t = (TEST_CTX *)RAND_DRBG_get_ex_data(drbg, app_data_index);
t->noncecnt++;
*pout = (unsigned char *)t->nonce;
return t->noncelen;
} | ['static size_t kat_nonce(RAND_DRBG *drbg, unsigned char **pout,\n int entropy, size_t min_len, size_t max_len)\n{\n TEST_CTX *t = (TEST_CTX *)RAND_DRBG_get_ex_data(drbg, app_data_index);\n t->noncecnt++;\n *pout = (unsigned char *)t->nonce;\n return t->noncelen;\n}', 'void *RAND_DRBG_get_ex_data(const RAND_DRBG *drbg, int idx)\n{\n return CRYPTO_get_ex_data(&drbg->ex_data, idx);\n}', 'void *CRYPTO_get_ex_data(const CRYPTO_EX_DATA *ad, int idx)\n{\n if (ad->sk == NULL || idx >= sk_void_num(ad->sk))\n return NULL;\n return sk_void_value(ad->sk, idx);\n}'] |
21,086 | 0 | https://github.com/libav/libav/blob/11ca8b2d7486e879926488404b3b79af774f0f2d/libavcodec/mpegaudiodec.c/#L607 | static void imdct36(INTFLOAT *out, INTFLOAT *buf, INTFLOAT *in, INTFLOAT *win)
{
int i, j;
INTFLOAT t0, t1, t2, t3, s0, s1, s2, s3;
INTFLOAT tmp[18], *tmp1, *in1;
for (i = 17; i >= 1; i--)
in[i] += in[i-1];
for (i = 17; i >= 3; i -= 2)
in[i] += in[i-2];
for (j = 0; j < 2; j++) {
tmp1 = tmp + j;
in1 = in + j;
t2 = in1[2*4] + in1[2*8] - in1[2*2];
t3 = in1[2*0] + SHR(in1[2*6],1);
t1 = in1[2*0] - in1[2*6];
tmp1[ 6] = t1 - SHR(t2,1);
tmp1[16] = t1 + t2;
t0 = MULH3(in1[2*2] + in1[2*4] , C2, 2);
t1 = MULH3(in1[2*4] - in1[2*8] , -2*C8, 1);
t2 = MULH3(in1[2*2] + in1[2*8] , -C4, 2);
tmp1[10] = t3 - t0 - t2;
tmp1[ 2] = t3 + t0 + t1;
tmp1[14] = t3 + t2 - t1;
tmp1[ 4] = MULH3(in1[2*5] + in1[2*7] - in1[2*1], -C3, 2);
t2 = MULH3(in1[2*1] + in1[2*5], C1, 2);
t3 = MULH3(in1[2*5] - in1[2*7], -2*C7, 1);
t0 = MULH3(in1[2*3], C3, 2);
t1 = MULH3(in1[2*1] + in1[2*7], -C5, 2);
tmp1[ 0] = t2 + t3 + t0;
tmp1[12] = t2 + t1 - t0;
tmp1[ 8] = t3 - t1 - t0;
}
i = 0;
for (j = 0; j < 4; j++) {
t0 = tmp[i];
t1 = tmp[i + 2];
s0 = t1 + t0;
s2 = t1 - t0;
t2 = tmp[i + 1];
t3 = tmp[i + 3];
s1 = MULH3(t3 + t2, icos36h[ j], 2);
s3 = MULLx(t3 - t2, icos36 [8 - j], FRAC_BITS);
t0 = s0 + s1;
t1 = s0 - s1;
out[(9 + j) * SBLIMIT] = MULH3(t1, win[ 9 + j], 1) + buf[9 + j];
out[(8 - j) * SBLIMIT] = MULH3(t1, win[ 8 - j], 1) + buf[8 - j];
buf[ 9 + j ] = MULH3(t0, win[18 + 9 + j], 1);
buf[ 8 - j ] = MULH3(t0, win[18 + 8 - j], 1);
t0 = s2 + s3;
t1 = s2 - s3;
out[(9 + 8 - j) * SBLIMIT] = MULH3(t1, win[ 9 + 8 - j], 1) + buf[9 + 8 - j];
out[ j * SBLIMIT] = MULH3(t1, win[ j], 1) + buf[ j];
buf[ 9 + 8 - j ] = MULH3(t0, win[18 + 9 + 8 - j], 1);
buf[ j ] = MULH3(t0, win[18 + j], 1);
i += 4;
}
s0 = tmp[16];
s1 = MULH3(tmp[17], icos36h[4], 2);
t0 = s0 + s1;
t1 = s0 - s1;
out[(9 + 4) * SBLIMIT] = MULH3(t1, win[ 9 + 4], 1) + buf[9 + 4];
out[(8 - 4) * SBLIMIT] = MULH3(t1, win[ 8 - 4], 1) + buf[8 - 4];
buf[ 9 + 4 ] = MULH3(t0, win[18 + 9 + 4], 1);
buf[ 8 - 4 ] = MULH3(t0, win[18 + 8 - 4], 1);
} | ['static void imdct36(INTFLOAT *out, INTFLOAT *buf, INTFLOAT *in, INTFLOAT *win)\n{\n int i, j;\n INTFLOAT t0, t1, t2, t3, s0, s1, s2, s3;\n INTFLOAT tmp[18], *tmp1, *in1;\n for (i = 17; i >= 1; i--)\n in[i] += in[i-1];\n for (i = 17; i >= 3; i -= 2)\n in[i] += in[i-2];\n for (j = 0; j < 2; j++) {\n tmp1 = tmp + j;\n in1 = in + j;\n t2 = in1[2*4] + in1[2*8] - in1[2*2];\n t3 = in1[2*0] + SHR(in1[2*6],1);\n t1 = in1[2*0] - in1[2*6];\n tmp1[ 6] = t1 - SHR(t2,1);\n tmp1[16] = t1 + t2;\n t0 = MULH3(in1[2*2] + in1[2*4] , C2, 2);\n t1 = MULH3(in1[2*4] - in1[2*8] , -2*C8, 1);\n t2 = MULH3(in1[2*2] + in1[2*8] , -C4, 2);\n tmp1[10] = t3 - t0 - t2;\n tmp1[ 2] = t3 + t0 + t1;\n tmp1[14] = t3 + t2 - t1;\n tmp1[ 4] = MULH3(in1[2*5] + in1[2*7] - in1[2*1], -C3, 2);\n t2 = MULH3(in1[2*1] + in1[2*5], C1, 2);\n t3 = MULH3(in1[2*5] - in1[2*7], -2*C7, 1);\n t0 = MULH3(in1[2*3], C3, 2);\n t1 = MULH3(in1[2*1] + in1[2*7], -C5, 2);\n tmp1[ 0] = t2 + t3 + t0;\n tmp1[12] = t2 + t1 - t0;\n tmp1[ 8] = t3 - t1 - t0;\n }\n i = 0;\n for (j = 0; j < 4; j++) {\n t0 = tmp[i];\n t1 = tmp[i + 2];\n s0 = t1 + t0;\n s2 = t1 - t0;\n t2 = tmp[i + 1];\n t3 = tmp[i + 3];\n s1 = MULH3(t3 + t2, icos36h[ j], 2);\n s3 = MULLx(t3 - t2, icos36 [8 - j], FRAC_BITS);\n t0 = s0 + s1;\n t1 = s0 - s1;\n out[(9 + j) * SBLIMIT] = MULH3(t1, win[ 9 + j], 1) + buf[9 + j];\n out[(8 - j) * SBLIMIT] = MULH3(t1, win[ 8 - j], 1) + buf[8 - j];\n buf[ 9 + j ] = MULH3(t0, win[18 + 9 + j], 1);\n buf[ 8 - j ] = MULH3(t0, win[18 + 8 - j], 1);\n t0 = s2 + s3;\n t1 = s2 - s3;\n out[(9 + 8 - j) * SBLIMIT] = MULH3(t1, win[ 9 + 8 - j], 1) + buf[9 + 8 - j];\n out[ j * SBLIMIT] = MULH3(t1, win[ j], 1) + buf[ j];\n buf[ 9 + 8 - j ] = MULH3(t0, win[18 + 9 + 8 - j], 1);\n buf[ j ] = MULH3(t0, win[18 + j], 1);\n i += 4;\n }\n s0 = tmp[16];\n s1 = MULH3(tmp[17], icos36h[4], 2);\n t0 = s0 + s1;\n t1 = s0 - s1;\n out[(9 + 4) * SBLIMIT] = MULH3(t1, win[ 9 + 4], 1) + buf[9 + 4];\n out[(8 - 4) * SBLIMIT] = MULH3(t1, win[ 8 - 4], 1) + buf[8 - 4];\n buf[ 9 + 4 ] = MULH3(t0, win[18 + 9 + 4], 1);\n buf[ 8 - 4 ] = MULH3(t0, win[18 + 8 - 4], 1);\n}'] |
21,087 | 0 | https://github.com/libav/libav/blob/dad7a9c7c0ae8ebc56f2e3a24e6fa4da5c2cd491/libavcodec/wmavoice.c/#L1530 | static int synth_frame(AVCodecContext *ctx, BitstreamContext *bc,
int frame_idx, float *samples,
const double *lsps, const double *prev_lsps,
float *excitation, float *synth)
{
WMAVoiceContext *s = ctx->priv_data;
int n, n_blocks_x2, log_n_blocks_x2, cur_pitch_val;
int pitch[MAX_BLOCKS], last_block_pitch;
int bd_idx = s->vbm_tree[bitstream_read_vlc(bc, frame_type_vlc.table, 6, 3)], block_nsamples;
if (bd_idx < 0) {
av_log(ctx, AV_LOG_ERROR,
"Invalid frame type VLC code, skipping\n");
return AVERROR_INVALIDDATA;
}
block_nsamples = MAX_FRAMESIZE / frame_descs[bd_idx].n_blocks;
if (frame_descs[bd_idx].acb_type == ACB_TYPE_ASYMMETRIC) {
n_blocks_x2 = frame_descs[bd_idx].n_blocks << 1;
log_n_blocks_x2 = frame_descs[bd_idx].log_n_blocks + 1;
cur_pitch_val = s->min_pitch_val + bitstream_read(bc, s->pitch_nbits);
cur_pitch_val = FFMIN(cur_pitch_val, s->max_pitch_val - 1);
if (s->last_acb_type == ACB_TYPE_NONE ||
20 * abs(cur_pitch_val - s->last_pitch_val) >
(cur_pitch_val + s->last_pitch_val))
s->last_pitch_val = cur_pitch_val;
for (n = 0; n < frame_descs[bd_idx].n_blocks; n++) {
int fac = n * 2 + 1;
pitch[n] = (MUL16(fac, cur_pitch_val) +
MUL16((n_blocks_x2 - fac), s->last_pitch_val) +
frame_descs[bd_idx].n_blocks) >> log_n_blocks_x2;
}
s->pitch_diff_sh16 =
((cur_pitch_val - s->last_pitch_val) << 16) / MAX_FRAMESIZE;
}
switch (frame_descs[bd_idx].fcb_type) {
case FCB_TYPE_SILENCE:
s->silence_gain = wmavoice_gain_silence[bitstream_read(bc, 8)];
break;
case FCB_TYPE_AW_PULSES:
aw_parse_coords(s, bc, pitch);
break;
}
for (n = 0; n < frame_descs[bd_idx].n_blocks; n++) {
int bl_pitch_sh2;
switch (frame_descs[bd_idx].acb_type) {
case ACB_TYPE_HAMMING: {
int block_pitch,
t1 = (s->block_conv_table[1] - s->block_conv_table[0]) << 2,
t2 = (s->block_conv_table[2] - s->block_conv_table[1]) << 1,
t3 = s->block_conv_table[3] - s->block_conv_table[2] + 1;
if (n == 0) {
block_pitch = bitstream_read(bc, s->block_pitch_nbits);
} else
block_pitch = last_block_pitch - s->block_delta_pitch_hrange +
bitstream_read(bc, s->block_delta_pitch_nbits);
last_block_pitch = av_clip(block_pitch,
s->block_delta_pitch_hrange,
s->block_pitch_range -
s->block_delta_pitch_hrange);
if (block_pitch < t1) {
bl_pitch_sh2 = (s->block_conv_table[0] << 2) + block_pitch;
} else {
block_pitch -= t1;
if (block_pitch < t2) {
bl_pitch_sh2 =
(s->block_conv_table[1] << 2) + (block_pitch << 1);
} else {
block_pitch -= t2;
if (block_pitch < t3) {
bl_pitch_sh2 =
(s->block_conv_table[2] + block_pitch) << 2;
} else
bl_pitch_sh2 = s->block_conv_table[3] << 2;
}
}
pitch[n] = bl_pitch_sh2 >> 2;
break;
}
case ACB_TYPE_ASYMMETRIC: {
bl_pitch_sh2 = pitch[n] << 2;
break;
}
default:
bl_pitch_sh2 = 0;
break;
}
synth_block(s, bc, n, block_nsamples, bl_pitch_sh2,
lsps, prev_lsps, &frame_descs[bd_idx],
&excitation[n * block_nsamples],
&synth[n * block_nsamples]);
}
if (s->do_apf) {
double i_lsps[MAX_LSPS];
float lpcs[MAX_LSPS];
for (n = 0; n < s->lsps; n++)
i_lsps[n] = cos(0.5 * (prev_lsps[n] + lsps[n]));
ff_acelp_lspd2lpc(i_lsps, lpcs, s->lsps >> 1);
postfilter(s, synth, samples, 80, lpcs,
&s->zero_exc_pf[s->history_nsamples + MAX_FRAMESIZE * frame_idx],
frame_descs[bd_idx].fcb_type, pitch[0]);
for (n = 0; n < s->lsps; n++)
i_lsps[n] = cos(lsps[n]);
ff_acelp_lspd2lpc(i_lsps, lpcs, s->lsps >> 1);
postfilter(s, &synth[80], &samples[80], 80, lpcs,
&s->zero_exc_pf[s->history_nsamples + MAX_FRAMESIZE * frame_idx + 80],
frame_descs[bd_idx].fcb_type, pitch[0]);
} else
memcpy(samples, synth, 160 * sizeof(synth[0]));
s->frame_cntr++;
if (s->frame_cntr >= 0xFFFF) s->frame_cntr -= 0xFFFF;
s->last_acb_type = frame_descs[bd_idx].acb_type;
switch (frame_descs[bd_idx].acb_type) {
case ACB_TYPE_NONE:
s->last_pitch_val = 0;
break;
case ACB_TYPE_ASYMMETRIC:
s->last_pitch_val = cur_pitch_val;
break;
case ACB_TYPE_HAMMING:
s->last_pitch_val = pitch[frame_descs[bd_idx].n_blocks - 1];
break;
}
return 0;
} | ['static int synth_frame(AVCodecContext *ctx, BitstreamContext *bc,\n int frame_idx, float *samples,\n const double *lsps, const double *prev_lsps,\n float *excitation, float *synth)\n{\n WMAVoiceContext *s = ctx->priv_data;\n int n, n_blocks_x2, log_n_blocks_x2, cur_pitch_val;\n int pitch[MAX_BLOCKS], last_block_pitch;\n int bd_idx = s->vbm_tree[bitstream_read_vlc(bc, frame_type_vlc.table, 6, 3)], block_nsamples;\n if (bd_idx < 0) {\n av_log(ctx, AV_LOG_ERROR,\n "Invalid frame type VLC code, skipping\\n");\n return AVERROR_INVALIDDATA;\n }\n block_nsamples = MAX_FRAMESIZE / frame_descs[bd_idx].n_blocks;\n if (frame_descs[bd_idx].acb_type == ACB_TYPE_ASYMMETRIC) {\n n_blocks_x2 = frame_descs[bd_idx].n_blocks << 1;\n log_n_blocks_x2 = frame_descs[bd_idx].log_n_blocks + 1;\n cur_pitch_val = s->min_pitch_val + bitstream_read(bc, s->pitch_nbits);\n cur_pitch_val = FFMIN(cur_pitch_val, s->max_pitch_val - 1);\n if (s->last_acb_type == ACB_TYPE_NONE ||\n 20 * abs(cur_pitch_val - s->last_pitch_val) >\n (cur_pitch_val + s->last_pitch_val))\n s->last_pitch_val = cur_pitch_val;\n for (n = 0; n < frame_descs[bd_idx].n_blocks; n++) {\n int fac = n * 2 + 1;\n pitch[n] = (MUL16(fac, cur_pitch_val) +\n MUL16((n_blocks_x2 - fac), s->last_pitch_val) +\n frame_descs[bd_idx].n_blocks) >> log_n_blocks_x2;\n }\n s->pitch_diff_sh16 =\n ((cur_pitch_val - s->last_pitch_val) << 16) / MAX_FRAMESIZE;\n }\n switch (frame_descs[bd_idx].fcb_type) {\n case FCB_TYPE_SILENCE:\n s->silence_gain = wmavoice_gain_silence[bitstream_read(bc, 8)];\n break;\n case FCB_TYPE_AW_PULSES:\n aw_parse_coords(s, bc, pitch);\n break;\n }\n for (n = 0; n < frame_descs[bd_idx].n_blocks; n++) {\n int bl_pitch_sh2;\n switch (frame_descs[bd_idx].acb_type) {\n case ACB_TYPE_HAMMING: {\n int block_pitch,\n t1 = (s->block_conv_table[1] - s->block_conv_table[0]) << 2,\n t2 = (s->block_conv_table[2] - s->block_conv_table[1]) << 1,\n t3 = s->block_conv_table[3] - s->block_conv_table[2] + 1;\n if (n == 0) {\n block_pitch = bitstream_read(bc, s->block_pitch_nbits);\n } else\n block_pitch = last_block_pitch - s->block_delta_pitch_hrange +\n bitstream_read(bc, s->block_delta_pitch_nbits);\n last_block_pitch = av_clip(block_pitch,\n s->block_delta_pitch_hrange,\n s->block_pitch_range -\n s->block_delta_pitch_hrange);\n if (block_pitch < t1) {\n bl_pitch_sh2 = (s->block_conv_table[0] << 2) + block_pitch;\n } else {\n block_pitch -= t1;\n if (block_pitch < t2) {\n bl_pitch_sh2 =\n (s->block_conv_table[1] << 2) + (block_pitch << 1);\n } else {\n block_pitch -= t2;\n if (block_pitch < t3) {\n bl_pitch_sh2 =\n (s->block_conv_table[2] + block_pitch) << 2;\n } else\n bl_pitch_sh2 = s->block_conv_table[3] << 2;\n }\n }\n pitch[n] = bl_pitch_sh2 >> 2;\n break;\n }\n case ACB_TYPE_ASYMMETRIC: {\n bl_pitch_sh2 = pitch[n] << 2;\n break;\n }\n default:\n bl_pitch_sh2 = 0;\n break;\n }\n synth_block(s, bc, n, block_nsamples, bl_pitch_sh2,\n lsps, prev_lsps, &frame_descs[bd_idx],\n &excitation[n * block_nsamples],\n &synth[n * block_nsamples]);\n }\n if (s->do_apf) {\n double i_lsps[MAX_LSPS];\n float lpcs[MAX_LSPS];\n for (n = 0; n < s->lsps; n++)\n i_lsps[n] = cos(0.5 * (prev_lsps[n] + lsps[n]));\n ff_acelp_lspd2lpc(i_lsps, lpcs, s->lsps >> 1);\n postfilter(s, synth, samples, 80, lpcs,\n &s->zero_exc_pf[s->history_nsamples + MAX_FRAMESIZE * frame_idx],\n frame_descs[bd_idx].fcb_type, pitch[0]);\n for (n = 0; n < s->lsps; n++)\n i_lsps[n] = cos(lsps[n]);\n ff_acelp_lspd2lpc(i_lsps, lpcs, s->lsps >> 1);\n postfilter(s, &synth[80], &samples[80], 80, lpcs,\n &s->zero_exc_pf[s->history_nsamples + MAX_FRAMESIZE * frame_idx + 80],\n frame_descs[bd_idx].fcb_type, pitch[0]);\n } else\n memcpy(samples, synth, 160 * sizeof(synth[0]));\n s->frame_cntr++;\n if (s->frame_cntr >= 0xFFFF) s->frame_cntr -= 0xFFFF;\n s->last_acb_type = frame_descs[bd_idx].acb_type;\n switch (frame_descs[bd_idx].acb_type) {\n case ACB_TYPE_NONE:\n s->last_pitch_val = 0;\n break;\n case ACB_TYPE_ASYMMETRIC:\n s->last_pitch_val = cur_pitch_val;\n break;\n case ACB_TYPE_HAMMING:\n s->last_pitch_val = pitch[frame_descs[bd_idx].n_blocks - 1];\n break;\n }\n return 0;\n}'] |
21,088 | 0 | https://gitlab.com/libtiff/libtiff/blob/5b06ac3f2851cf84ec425f1a0c3ddcf954e625aa/tools/tiff2pdf.c/#L1750 | void t2p_read_tiff_data(T2P* t2p, TIFF* input){
int i=0;
uint16* r;
uint16* g;
uint16* b;
uint16* a;
uint16 xuint16;
uint16* xuint16p;
float* xfloatp;
t2p->pdf_transcode = T2P_TRANSCODE_ENCODE;
t2p->pdf_sample = T2P_SAMPLE_NOTHING;
t2p->pdf_switchdecode = t2p->pdf_colorspace_invert;
TIFFSetDirectory(input, t2p->tiff_pages[t2p->pdf_page].page_directory);
TIFFGetField(input, TIFFTAG_IMAGEWIDTH, &(t2p->tiff_width));
if(t2p->tiff_width == 0){
TIFFError(
TIFF2PDF_MODULE,
"No support for %s with zero width",
TIFFFileName(input) );
t2p->t2p_error = T2P_ERR_ERROR;
return;
}
TIFFGetField(input, TIFFTAG_IMAGELENGTH, &(t2p->tiff_length));
if(t2p->tiff_length == 0){
TIFFError(
TIFF2PDF_MODULE,
"No support for %s with zero length",
TIFFFileName(input) );
t2p->t2p_error = T2P_ERR_ERROR;
return;
}
if(TIFFGetField(input, TIFFTAG_COMPRESSION, &(t2p->tiff_compression)) == 0){
TIFFError(
TIFF2PDF_MODULE,
"No support for %s with no compression tag",
TIFFFileName(input) );
t2p->t2p_error = T2P_ERR_ERROR;
return;
}
if( TIFFIsCODECConfigured(t2p->tiff_compression) == 0){
TIFFError(
TIFF2PDF_MODULE,
"No support for %s with compression type %u: not configured",
TIFFFileName(input),
t2p->tiff_compression
);
t2p->t2p_error = T2P_ERR_ERROR;
return;
}
TIFFGetFieldDefaulted(input, TIFFTAG_BITSPERSAMPLE, &(t2p->tiff_bitspersample));
switch(t2p->tiff_bitspersample){
case 1:
case 2:
case 4:
case 8:
break;
case 0:
TIFFWarning(
TIFF2PDF_MODULE,
"Image %s has 0 bits per sample, assuming 1",
TIFFFileName(input));
t2p->tiff_bitspersample=1;
break;
default:
TIFFError(
TIFF2PDF_MODULE,
"No support for %s with %u bits per sample",
TIFFFileName(input),
t2p->tiff_bitspersample);
t2p->t2p_error = T2P_ERR_ERROR;
return;
}
TIFFGetFieldDefaulted(input, TIFFTAG_SAMPLESPERPIXEL, &(t2p->tiff_samplesperpixel));
if(t2p->tiff_samplesperpixel>4){
TIFFError(
TIFF2PDF_MODULE,
"No support for %s with %u samples per pixel",
TIFFFileName(input),
t2p->tiff_samplesperpixel);
t2p->t2p_error = T2P_ERR_ERROR;
return;
}
if(t2p->tiff_samplesperpixel==0){
TIFFWarning(
TIFF2PDF_MODULE,
"Image %s has 0 samples per pixel, assuming 1",
TIFFFileName(input));
t2p->tiff_samplesperpixel=1;
}
if(TIFFGetField(input, TIFFTAG_SAMPLEFORMAT, &xuint16) != 0 ){
switch(xuint16){
case 0:
case 1:
case 4:
break;
default:
TIFFError(
TIFF2PDF_MODULE,
"No support for %s with sample format %u",
TIFFFileName(input),
xuint16);
t2p->t2p_error = T2P_ERR_ERROR;
return;
break;
}
}
TIFFGetFieldDefaulted(input, TIFFTAG_FILLORDER, &(t2p->tiff_fillorder));
if(TIFFGetField(input, TIFFTAG_PHOTOMETRIC, &(t2p->tiff_photometric)) == 0){
TIFFError(
TIFF2PDF_MODULE,
"No support for %s with no photometric interpretation tag",
TIFFFileName(input) );
t2p->t2p_error = T2P_ERR_ERROR;
return;
}
switch(t2p->tiff_photometric){
case PHOTOMETRIC_MINISWHITE:
case PHOTOMETRIC_MINISBLACK:
if (t2p->tiff_bitspersample==1){
t2p->pdf_colorspace=T2P_CS_BILEVEL;
if(t2p->tiff_photometric==PHOTOMETRIC_MINISWHITE){
t2p->pdf_switchdecode ^= 1;
}
} else {
t2p->pdf_colorspace=T2P_CS_GRAY;
if(t2p->tiff_photometric==PHOTOMETRIC_MINISWHITE){
t2p->pdf_switchdecode ^= 1;
}
}
break;
case PHOTOMETRIC_RGB:
t2p->pdf_colorspace=T2P_CS_RGB;
if(t2p->tiff_samplesperpixel == 3){
break;
}
if(TIFFGetField(input, TIFFTAG_INDEXED, &xuint16)){
if(xuint16==1)
goto photometric_palette;
}
if(t2p->tiff_samplesperpixel > 3) {
if(t2p->tiff_samplesperpixel == 4) {
t2p->pdf_colorspace = T2P_CS_RGB;
if(TIFFGetField(input,
TIFFTAG_EXTRASAMPLES,
&xuint16, &xuint16p)
&& xuint16 == 1) {
if(xuint16p[0] == EXTRASAMPLE_ASSOCALPHA){
t2p->pdf_sample=T2P_SAMPLE_RGBAA_TO_RGB;
break;
}
if(xuint16p[0] == EXTRASAMPLE_UNASSALPHA){
t2p->pdf_sample=T2P_SAMPLE_RGBA_TO_RGB;
break;
}
TIFFWarning(
TIFF2PDF_MODULE,
"RGB image %s has 4 samples per pixel, assuming RGBA",
TIFFFileName(input));
break;
}
t2p->pdf_colorspace=T2P_CS_CMYK;
t2p->pdf_switchdecode ^= 1;
TIFFWarning(
TIFF2PDF_MODULE,
"RGB image %s has 4 samples per pixel, assuming inverse CMYK",
TIFFFileName(input));
break;
} else {
TIFFError(
TIFF2PDF_MODULE,
"No support for RGB image %s with %u samples per pixel",
TIFFFileName(input),
t2p->tiff_samplesperpixel);
t2p->t2p_error = T2P_ERR_ERROR;
break;
}
} else {
TIFFError(
TIFF2PDF_MODULE,
"No support for RGB image %s with %u samples per pixel",
TIFFFileName(input),
t2p->tiff_samplesperpixel);
t2p->t2p_error = T2P_ERR_ERROR;
break;
}
case PHOTOMETRIC_PALETTE:
photometric_palette:
if(t2p->tiff_samplesperpixel!=1){
TIFFError(
TIFF2PDF_MODULE,
"No support for palettized image %s with not one sample per pixel",
TIFFFileName(input));
t2p->t2p_error = T2P_ERR_ERROR;
return;
}
t2p->pdf_colorspace=T2P_CS_RGB | T2P_CS_PALETTE;
t2p->pdf_palettesize=0x0001<<t2p->tiff_bitspersample;
if(!TIFFGetField(input, TIFFTAG_COLORMAP, &r, &g, &b)){
TIFFError(
TIFF2PDF_MODULE,
"Palettized image %s has no color map",
TIFFFileName(input));
t2p->t2p_error = T2P_ERR_ERROR;
return;
}
if(t2p->pdf_palette != NULL){
_TIFFfree(t2p->pdf_palette);
t2p->pdf_palette=NULL;
}
t2p->pdf_palette = (unsigned char*)
_TIFFmalloc(TIFFSafeMultiply(tmsize_t,t2p->pdf_palettesize,3));
if(t2p->pdf_palette==NULL){
TIFFError(
TIFF2PDF_MODULE,
"Can't allocate %u bytes of memory for t2p_read_tiff_image, %s",
t2p->pdf_palettesize,
TIFFFileName(input));
t2p->t2p_error = T2P_ERR_ERROR;
return;
}
for(i=0;i<t2p->pdf_palettesize;i++){
t2p->pdf_palette[(i*3)] = (unsigned char) (r[i]>>8);
t2p->pdf_palette[(i*3)+1]= (unsigned char) (g[i]>>8);
t2p->pdf_palette[(i*3)+2]= (unsigned char) (b[i]>>8);
}
t2p->pdf_palettesize *= 3;
break;
case PHOTOMETRIC_SEPARATED:
if(TIFFGetField(input, TIFFTAG_INDEXED, &xuint16)){
if(xuint16==1){
goto photometric_palette_cmyk;
}
}
if( TIFFGetField(input, TIFFTAG_INKSET, &xuint16) ){
if(xuint16 != INKSET_CMYK){
TIFFError(
TIFF2PDF_MODULE,
"No support for %s because its inkset is not CMYK",
TIFFFileName(input) );
t2p->t2p_error = T2P_ERR_ERROR;
return;
}
}
if(t2p->tiff_samplesperpixel==4){
t2p->pdf_colorspace=T2P_CS_CMYK;
} else {
TIFFError(
TIFF2PDF_MODULE,
"No support for %s because it has %u samples per pixel",
TIFFFileName(input),
t2p->tiff_samplesperpixel);
t2p->t2p_error = T2P_ERR_ERROR;
return;
}
break;
photometric_palette_cmyk:
if(t2p->tiff_samplesperpixel!=1){
TIFFError(
TIFF2PDF_MODULE,
"No support for palettized CMYK image %s with not one sample per pixel",
TIFFFileName(input));
t2p->t2p_error = T2P_ERR_ERROR;
return;
}
t2p->pdf_colorspace=T2P_CS_CMYK | T2P_CS_PALETTE;
t2p->pdf_palettesize=0x0001<<t2p->tiff_bitspersample;
if(!TIFFGetField(input, TIFFTAG_COLORMAP, &r, &g, &b, &a)){
TIFFError(
TIFF2PDF_MODULE,
"Palettized image %s has no color map",
TIFFFileName(input));
t2p->t2p_error = T2P_ERR_ERROR;
return;
}
if(t2p->pdf_palette != NULL){
_TIFFfree(t2p->pdf_palette);
t2p->pdf_palette=NULL;
}
t2p->pdf_palette = (unsigned char*)
_TIFFmalloc(TIFFSafeMultiply(tmsize_t,t2p->pdf_palettesize,4));
if(t2p->pdf_palette==NULL){
TIFFError(
TIFF2PDF_MODULE,
"Can't allocate %u bytes of memory for t2p_read_tiff_image, %s",
t2p->pdf_palettesize,
TIFFFileName(input));
t2p->t2p_error = T2P_ERR_ERROR;
return;
}
for(i=0;i<t2p->pdf_palettesize;i++){
t2p->pdf_palette[(i*4)] = (unsigned char) (r[i]>>8);
t2p->pdf_palette[(i*4)+1]= (unsigned char) (g[i]>>8);
t2p->pdf_palette[(i*4)+2]= (unsigned char) (b[i]>>8);
t2p->pdf_palette[(i*4)+3]= (unsigned char) (a[i]>>8);
}
t2p->pdf_palettesize *= 4;
break;
case PHOTOMETRIC_YCBCR:
t2p->pdf_colorspace=T2P_CS_RGB;
if(t2p->tiff_samplesperpixel==1){
t2p->pdf_colorspace=T2P_CS_GRAY;
t2p->tiff_photometric=PHOTOMETRIC_MINISBLACK;
break;
}
t2p->pdf_sample=T2P_SAMPLE_YCBCR_TO_RGB;
#ifdef JPEG_SUPPORT
if(t2p->pdf_defaultcompression==T2P_COMPRESS_JPEG){
t2p->pdf_sample=T2P_SAMPLE_NOTHING;
}
#endif
break;
case PHOTOMETRIC_CIELAB:
if( t2p->tiff_samplesperpixel != 3){
TIFFError(
TIFF2PDF_MODULE,
"Unsupported samplesperpixel = %d for CIELAB",
t2p->tiff_samplesperpixel);
t2p->t2p_error = T2P_ERR_ERROR;
return;
}
if( t2p->tiff_bitspersample != 8){
TIFFError(
TIFF2PDF_MODULE,
"Invalid bitspersample = %d for CIELAB",
t2p->tiff_bitspersample);
t2p->t2p_error = T2P_ERR_ERROR;
return;
}
t2p->pdf_labrange[0]= -127;
t2p->pdf_labrange[1]= 127;
t2p->pdf_labrange[2]= -127;
t2p->pdf_labrange[3]= 127;
t2p->pdf_sample=T2P_SAMPLE_LAB_SIGNED_TO_UNSIGNED;
t2p->pdf_colorspace=T2P_CS_LAB;
break;
case PHOTOMETRIC_ICCLAB:
t2p->pdf_labrange[0]= 0;
t2p->pdf_labrange[1]= 255;
t2p->pdf_labrange[2]= 0;
t2p->pdf_labrange[3]= 255;
t2p->pdf_colorspace=T2P_CS_LAB;
break;
case PHOTOMETRIC_ITULAB:
if( t2p->tiff_samplesperpixel != 3){
TIFFError(
TIFF2PDF_MODULE,
"Unsupported samplesperpixel = %d for ITULAB",
t2p->tiff_samplesperpixel);
t2p->t2p_error = T2P_ERR_ERROR;
return;
}
if( t2p->tiff_bitspersample != 8){
TIFFError(
TIFF2PDF_MODULE,
"Invalid bitspersample = %d for ITULAB",
t2p->tiff_bitspersample);
t2p->t2p_error = T2P_ERR_ERROR;
return;
}
t2p->pdf_labrange[0]=-85;
t2p->pdf_labrange[1]=85;
t2p->pdf_labrange[2]=-75;
t2p->pdf_labrange[3]=124;
t2p->pdf_sample=T2P_SAMPLE_LAB_SIGNED_TO_UNSIGNED;
t2p->pdf_colorspace=T2P_CS_LAB;
break;
case PHOTOMETRIC_LOGL:
case PHOTOMETRIC_LOGLUV:
TIFFError(
TIFF2PDF_MODULE,
"No support for %s with photometric interpretation LogL/LogLuv",
TIFFFileName(input));
t2p->t2p_error = T2P_ERR_ERROR;
return;
default:
TIFFError(
TIFF2PDF_MODULE,
"No support for %s with photometric interpretation %u",
TIFFFileName(input),
t2p->tiff_photometric);
t2p->t2p_error = T2P_ERR_ERROR;
return;
}
if(TIFFGetField(input, TIFFTAG_PLANARCONFIG, &(t2p->tiff_planar))){
switch(t2p->tiff_planar){
case 0:
TIFFWarning(
TIFF2PDF_MODULE,
"Image %s has planar configuration 0, assuming 1",
TIFFFileName(input));
t2p->tiff_planar=PLANARCONFIG_CONTIG;
case PLANARCONFIG_CONTIG:
break;
case PLANARCONFIG_SEPARATE:
t2p->pdf_sample=T2P_SAMPLE_PLANAR_SEPARATE_TO_CONTIG;
if(t2p->tiff_bitspersample!=8){
TIFFError(
TIFF2PDF_MODULE,
"No support for %s with separated planar configuration and %u bits per sample",
TIFFFileName(input),
t2p->tiff_bitspersample);
t2p->t2p_error = T2P_ERR_ERROR;
return;
}
break;
default:
TIFFError(
TIFF2PDF_MODULE,
"No support for %s with planar configuration %u",
TIFFFileName(input),
t2p->tiff_planar);
t2p->t2p_error = T2P_ERR_ERROR;
return;
}
}
TIFFGetFieldDefaulted(input, TIFFTAG_ORIENTATION,
&(t2p->tiff_orientation));
if(t2p->tiff_orientation>8){
TIFFWarning(TIFF2PDF_MODULE,
"Image %s has orientation %u, assuming 0",
TIFFFileName(input), t2p->tiff_orientation);
t2p->tiff_orientation=0;
}
if(TIFFGetField(input, TIFFTAG_XRESOLUTION, &(t2p->tiff_xres) ) == 0){
t2p->tiff_xres=0.0;
}
if(TIFFGetField(input, TIFFTAG_YRESOLUTION, &(t2p->tiff_yres) ) == 0){
t2p->tiff_yres=0.0;
}
TIFFGetFieldDefaulted(input, TIFFTAG_RESOLUTIONUNIT,
&(t2p->tiff_resunit));
if(t2p->tiff_resunit == RESUNIT_CENTIMETER) {
t2p->tiff_xres *= 2.54F;
t2p->tiff_yres *= 2.54F;
} else if (t2p->tiff_resunit != RESUNIT_INCH
&& t2p->pdf_centimeters != 0) {
t2p->tiff_xres *= 2.54F;
t2p->tiff_yres *= 2.54F;
}
t2p_compose_pdf_page(t2p);
t2p->pdf_transcode = T2P_TRANSCODE_ENCODE;
if(t2p->pdf_nopassthrough==0){
#ifdef CCITT_SUPPORT
if(t2p->tiff_compression==COMPRESSION_CCITTFAX4
){
if(TIFFIsTiled(input) || (TIFFNumberOfStrips(input)==1) ){
t2p->pdf_transcode = T2P_TRANSCODE_RAW;
t2p->pdf_compression=T2P_COMPRESS_G4;
}
}
#endif
#ifdef ZIP_SUPPORT
if(t2p->tiff_compression== COMPRESSION_ADOBE_DEFLATE
|| t2p->tiff_compression==COMPRESSION_DEFLATE){
if(TIFFIsTiled(input) || (TIFFNumberOfStrips(input)==1) ){
t2p->pdf_transcode = T2P_TRANSCODE_RAW;
t2p->pdf_compression=T2P_COMPRESS_ZIP;
}
}
#endif
#ifdef OJPEG_SUPPORT
if(t2p->tiff_compression==COMPRESSION_OJPEG){
t2p->pdf_transcode = T2P_TRANSCODE_RAW;
t2p->pdf_compression=T2P_COMPRESS_JPEG;
t2p_process_ojpeg_tables(t2p, input);
}
#endif
#ifdef JPEG_SUPPORT
if(t2p->tiff_compression==COMPRESSION_JPEG){
t2p->pdf_transcode = T2P_TRANSCODE_RAW;
t2p->pdf_compression=T2P_COMPRESS_JPEG;
}
#endif
(void)0;
}
if(t2p->pdf_transcode!=T2P_TRANSCODE_RAW){
t2p->pdf_compression = t2p->pdf_defaultcompression;
}
#ifdef JPEG_SUPPORT
if(t2p->pdf_defaultcompression==T2P_COMPRESS_JPEG){
if(t2p->pdf_colorspace & T2P_CS_PALETTE){
t2p->pdf_sample|=T2P_SAMPLE_REALIZE_PALETTE;
t2p->pdf_colorspace ^= T2P_CS_PALETTE;
t2p->tiff_pages[t2p->pdf_page].page_extra--;
}
}
if(t2p->tiff_compression==COMPRESSION_JPEG){
if(t2p->tiff_planar==PLANARCONFIG_SEPARATE){
TIFFError(
TIFF2PDF_MODULE,
"No support for %s with JPEG compression and separated planar configuration",
TIFFFileName(input));
t2p->t2p_error=T2P_ERR_ERROR;
return;
}
}
#endif
#ifdef OJPEG_SUPPORT
if(t2p->tiff_compression==COMPRESSION_OJPEG){
if(t2p->tiff_planar==PLANARCONFIG_SEPARATE){
TIFFError(
TIFF2PDF_MODULE,
"No support for %s with OJPEG compression and separated planar configuration",
TIFFFileName(input));
t2p->t2p_error=T2P_ERR_ERROR;
return;
}
}
#endif
if(t2p->pdf_sample & T2P_SAMPLE_REALIZE_PALETTE){
if(t2p->pdf_colorspace & T2P_CS_CMYK){
t2p->tiff_samplesperpixel=4;
t2p->tiff_photometric=PHOTOMETRIC_SEPARATED;
} else {
t2p->tiff_samplesperpixel=3;
t2p->tiff_photometric=PHOTOMETRIC_RGB;
}
}
if (TIFFGetField(input, TIFFTAG_TRANSFERFUNCTION,
&(t2p->tiff_transferfunction[0]),
&(t2p->tiff_transferfunction[1]),
&(t2p->tiff_transferfunction[2]))) {
if((t2p->tiff_transferfunction[1] != (float*) NULL) &&
(t2p->tiff_transferfunction[2] != (float*) NULL) &&
(t2p->tiff_transferfunction[1] !=
t2p->tiff_transferfunction[0])) {
t2p->tiff_transferfunctioncount=3;
} else {
t2p->tiff_transferfunctioncount=1;
}
} else {
t2p->tiff_transferfunctioncount=0;
}
if(TIFFGetField(input, TIFFTAG_WHITEPOINT, &xfloatp)!=0){
t2p->tiff_whitechromaticities[0]=xfloatp[0];
t2p->tiff_whitechromaticities[1]=xfloatp[1];
if(t2p->pdf_colorspace & T2P_CS_GRAY){
t2p->pdf_colorspace |= T2P_CS_CALGRAY;
}
if(t2p->pdf_colorspace & T2P_CS_RGB){
t2p->pdf_colorspace |= T2P_CS_CALRGB;
}
}
if(TIFFGetField(input, TIFFTAG_PRIMARYCHROMATICITIES, &xfloatp)!=0){
t2p->tiff_primarychromaticities[0]=xfloatp[0];
t2p->tiff_primarychromaticities[1]=xfloatp[1];
t2p->tiff_primarychromaticities[2]=xfloatp[2];
t2p->tiff_primarychromaticities[3]=xfloatp[3];
t2p->tiff_primarychromaticities[4]=xfloatp[4];
t2p->tiff_primarychromaticities[5]=xfloatp[5];
if(t2p->pdf_colorspace & T2P_CS_RGB){
t2p->pdf_colorspace |= T2P_CS_CALRGB;
}
}
if(t2p->pdf_colorspace & T2P_CS_LAB){
if(TIFFGetField(input, TIFFTAG_WHITEPOINT, &xfloatp) != 0){
t2p->tiff_whitechromaticities[0]=xfloatp[0];
t2p->tiff_whitechromaticities[1]=xfloatp[1];
} else {
t2p->tiff_whitechromaticities[0]=0.3457F;
t2p->tiff_whitechromaticities[1]=0.3585F;
}
}
if(TIFFGetField(input,
TIFFTAG_ICCPROFILE,
&(t2p->tiff_iccprofilelength),
&(t2p->tiff_iccprofile))!=0){
t2p->pdf_colorspace |= T2P_CS_ICCBASED;
} else {
t2p->tiff_iccprofilelength=0;
t2p->tiff_iccprofile=NULL;
}
#ifdef CCITT_SUPPORT
if( t2p->tiff_bitspersample==1 &&
t2p->tiff_samplesperpixel==1){
t2p->pdf_compression = T2P_COMPRESS_G4;
}
#endif
return;
} | ['tsize_t t2p_write_pdf(T2P* t2p, TIFF* input, TIFF* output){\n\ttsize_t written=0;\n\tttile_t i2=0;\n\ttsize_t streamlen=0;\n\tuint16 i=0;\n\tt2p_read_tiff_init(t2p, input);\n\tif(t2p->t2p_error!=T2P_ERR_OK){return(0);}\n\tt2p->pdf_xrefoffsets= (uint32*) _TIFFmalloc(TIFFSafeMultiply(tmsize_t,t2p->pdf_xrefcount,sizeof(uint32)) );\n\tif(t2p->pdf_xrefoffsets==NULL){\n\t\tTIFFError(\n\t\t\tTIFF2PDF_MODULE,\n\t\t\t"Can\'t allocate %u bytes of memory for t2p_write_pdf",\n\t\t\t(unsigned int) (t2p->pdf_xrefcount * sizeof(uint32)) );\n\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\treturn(written);\n\t}\n\tt2p->pdf_xrefcount=0;\n\tt2p->pdf_catalog=1;\n\tt2p->pdf_info=2;\n\tt2p->pdf_pages=3;\n\twritten += t2p_write_pdf_header(t2p, output);\n\tt2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;\n\tt2p->pdf_catalog=t2p->pdf_xrefcount;\n\twritten += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);\n\twritten += t2p_write_pdf_catalog(t2p, output);\n\twritten += t2p_write_pdf_obj_end(output);\n\tt2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;\n\tt2p->pdf_info=t2p->pdf_xrefcount;\n\twritten += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);\n\twritten += t2p_write_pdf_info(t2p, input, output);\n\twritten += t2p_write_pdf_obj_end(output);\n\tt2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;\n\tt2p->pdf_pages=t2p->pdf_xrefcount;\n\twritten += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);\n\twritten += t2p_write_pdf_pages(t2p, output);\n\twritten += t2p_write_pdf_obj_end(output);\n\tfor(t2p->pdf_page=0;t2p->pdf_page<t2p->tiff_pagecount;t2p->pdf_page++){\n\t\tt2p_read_tiff_data(t2p, input);\n\t\tif(t2p->t2p_error!=T2P_ERR_OK){return(0);}\n\t\tt2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;\n\t\twritten += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);\n\t\twritten += t2p_write_pdf_page(t2p->pdf_xrefcount, t2p, output);\n\t\twritten += t2p_write_pdf_obj_end(output);\n\t\tt2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;\n\t\twritten += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);\n\t\twritten += t2p_write_pdf_stream_dict_start(output);\n\t\twritten += t2p_write_pdf_stream_dict(0, t2p->pdf_xrefcount+1, output);\n\t\twritten += t2p_write_pdf_stream_dict_end(output);\n\t\twritten += t2p_write_pdf_stream_start(output);\n\t\tstreamlen=written;\n\t\twritten += t2p_write_pdf_page_content_stream(t2p, output);\n\t\tstreamlen=written-streamlen;\n\t\twritten += t2p_write_pdf_stream_end(output);\n\t\twritten += t2p_write_pdf_obj_end(output);\n\t\tt2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;\n\t\twritten += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);\n\t\twritten += t2p_write_pdf_stream_length(streamlen, output);\n\t\twritten += t2p_write_pdf_obj_end(output);\n\t\tif(t2p->tiff_transferfunctioncount != 0){\n\t\t\tt2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;\n\t\t\twritten += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);\n\t\t\twritten += t2p_write_pdf_transfer(t2p, output);\n\t\t\twritten += t2p_write_pdf_obj_end(output);\n\t\t\tfor(i=0; i < t2p->tiff_transferfunctioncount; i++){\n\t\t\t\tt2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;\n\t\t\t\twritten += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);\n\t\t\t\twritten += t2p_write_pdf_stream_dict_start(output);\n\t\t\t\twritten += t2p_write_pdf_transfer_dict(t2p, output, i);\n\t\t\t\twritten += t2p_write_pdf_stream_dict_end(output);\n\t\t\t\twritten += t2p_write_pdf_stream_start(output);\n\t\t\t\tstreamlen=written;\n\t\t\t\twritten += t2p_write_pdf_transfer_stream(t2p, output, i);\n\t\t\t\tstreamlen=written-streamlen;\n\t\t\t\twritten += t2p_write_pdf_stream_end(output);\n\t\t\t\twritten += t2p_write_pdf_obj_end(output);\n\t\t\t}\n\t\t}\n\t\tif( (t2p->pdf_colorspace & T2P_CS_PALETTE) != 0){\n\t\t\tt2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;\n\t\t\tt2p->pdf_palettecs=t2p->pdf_xrefcount;\n\t\t\twritten += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);\n\t\t\twritten += t2p_write_pdf_stream_dict_start(output);\n\t\t\twritten += t2p_write_pdf_stream_dict(t2p->pdf_palettesize, 0, output);\n\t\t\twritten += t2p_write_pdf_stream_dict_end(output);\n\t\t\twritten += t2p_write_pdf_stream_start(output);\n\t\t\tstreamlen=written;\n\t\t\twritten += t2p_write_pdf_xobject_palettecs_stream(t2p, output);\n\t\t\tstreamlen=written-streamlen;\n\t\t\twritten += t2p_write_pdf_stream_end(output);\n\t\t\twritten += t2p_write_pdf_obj_end(output);\n\t\t}\n\t\tif( (t2p->pdf_colorspace & T2P_CS_ICCBASED) != 0){\n\t\t\tt2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;\n\t\t\tt2p->pdf_icccs=t2p->pdf_xrefcount;\n\t\t\twritten += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);\n\t\t\twritten += t2p_write_pdf_stream_dict_start(output);\n\t\t\twritten += t2p_write_pdf_xobject_icccs_dict(t2p, output);\n\t\t\twritten += t2p_write_pdf_stream_dict_end(output);\n\t\t\twritten += t2p_write_pdf_stream_start(output);\n\t\t\tstreamlen=written;\n\t\t\twritten += t2p_write_pdf_xobject_icccs_stream(t2p, output);\n\t\t\tstreamlen=written-streamlen;\n\t\t\twritten += t2p_write_pdf_stream_end(output);\n\t\t\twritten += t2p_write_pdf_obj_end(output);\n\t\t}\n\t\tif(t2p->tiff_tiles[t2p->pdf_page].tiles_tilecount !=0){\n\t\t\tfor(i2=0;i2<t2p->tiff_tiles[t2p->pdf_page].tiles_tilecount;i2++){\n\t\t\t\tt2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;\n\t\t\t\twritten += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);\n\t\t\t\twritten += t2p_write_pdf_stream_dict_start(output);\n\t\t\t\twritten += t2p_write_pdf_xobject_stream_dict(\n\t\t\t\t\ti2+1,\n\t\t\t\t\tt2p,\n\t\t\t\t\toutput);\n\t\t\t\twritten += t2p_write_pdf_stream_dict_end(output);\n\t\t\t\twritten += t2p_write_pdf_stream_start(output);\n\t\t\t\tstreamlen=written;\n\t\t\t\tt2p_read_tiff_size_tile(t2p, input, i2);\n\t\t\t\twritten += t2p_readwrite_pdf_image_tile(t2p, input, output, i2);\n\t\t\t\tt2p_write_advance_directory(t2p, output);\n\t\t\t\tif(t2p->t2p_error!=T2P_ERR_OK){return(0);}\n\t\t\t\tstreamlen=written-streamlen;\n\t\t\t\twritten += t2p_write_pdf_stream_end(output);\n\t\t\t\twritten += t2p_write_pdf_obj_end(output);\n\t\t\t\tt2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;\n\t\t\t\twritten += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);\n\t\t\t\twritten += t2p_write_pdf_stream_length(streamlen, output);\n\t\t\t\twritten += t2p_write_pdf_obj_end(output);\n\t\t\t}\n\t\t} else {\n\t\t\tt2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;\n\t\t\twritten += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);\n\t\t\twritten += t2p_write_pdf_stream_dict_start(output);\n\t\t\twritten += t2p_write_pdf_xobject_stream_dict(\n\t\t\t\t0,\n\t\t\t\tt2p,\n\t\t\t\toutput);\n\t\t\twritten += t2p_write_pdf_stream_dict_end(output);\n\t\t\twritten += t2p_write_pdf_stream_start(output);\n\t\t\tstreamlen=written;\n\t\t\tt2p_read_tiff_size(t2p, input);\n\t\t\twritten += t2p_readwrite_pdf_image(t2p, input, output);\n\t\t\tt2p_write_advance_directory(t2p, output);\n\t\t\tif(t2p->t2p_error!=T2P_ERR_OK){return(0);}\n\t\t\tstreamlen=written-streamlen;\n\t\t\twritten += t2p_write_pdf_stream_end(output);\n\t\t\twritten += t2p_write_pdf_obj_end(output);\n\t\t\tt2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;\n\t\t\twritten += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);\n\t\t\twritten += t2p_write_pdf_stream_length(streamlen, output);\n\t\t\twritten += t2p_write_pdf_obj_end(output);\n\t\t}\n\t}\n\tt2p->pdf_startxref = written;\n\twritten += t2p_write_pdf_xreftable(t2p, output);\n\twritten += t2p_write_pdf_trailer(t2p, output);\n\tt2p_disable(output);\n\treturn(written);\n}', 'void t2p_read_tiff_init(T2P* t2p, TIFF* input){\n\ttdir_t directorycount=0;\n\ttdir_t i=0;\n\tuint16 pagen=0;\n\tuint16 paged=0;\n\tuint16 xuint16=0;\n\tdirectorycount=TIFFNumberOfDirectories(input);\n\tt2p->tiff_pages = (T2P_PAGE*) _TIFFmalloc(TIFFSafeMultiply(tmsize_t,directorycount,sizeof(T2P_PAGE)));\n\tif(t2p->tiff_pages==NULL){\n\t\tTIFFError(\n\t\t\tTIFF2PDF_MODULE,\n\t\t\t"Can\'t allocate %lu bytes of memory for tiff_pages array, %s",\n\t\t\t(unsigned long) directorycount * sizeof(T2P_PAGE),\n\t\t\tTIFFFileName(input));\n\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\treturn;\n\t}\n\t_TIFFmemset( t2p->tiff_pages, 0x00, directorycount * sizeof(T2P_PAGE));\n\tt2p->tiff_tiles = (T2P_TILES*) _TIFFmalloc(TIFFSafeMultiply(tmsize_t,directorycount,sizeof(T2P_TILES)));\n\tif(t2p->tiff_tiles==NULL){\n\t\tTIFFError(\n\t\t\tTIFF2PDF_MODULE,\n\t\t\t"Can\'t allocate %lu bytes of memory for tiff_tiles array, %s",\n\t\t\t(unsigned long) directorycount * sizeof(T2P_TILES),\n\t\t\tTIFFFileName(input));\n\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\treturn;\n\t}\n\t_TIFFmemset( t2p->tiff_tiles, 0x00, directorycount * sizeof(T2P_TILES));\n\tfor(i=0;i<directorycount;i++){\n\t\tuint32 subfiletype = 0;\n\t\tif(!TIFFSetDirectory(input, i)){\n\t\t\tTIFFError(\n\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t"Can\'t set directory %u of input file %s",\n\t\t\t\ti,\n\t\t\t\tTIFFFileName(input));\n\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\treturn;\n\t\t}\n\t\tif(TIFFGetField(input, TIFFTAG_PAGENUMBER, &pagen, &paged)){\n\t\t\tif((pagen>paged) && (paged != 0)){\n\t\t\t\tt2p->tiff_pages[t2p->tiff_pagecount].page_number =\n\t\t\t\t\tpaged;\n\t\t\t} else {\n\t\t\t\tt2p->tiff_pages[t2p->tiff_pagecount].page_number =\n\t\t\t\t\tpagen;\n\t\t\t}\n\t\t\tgoto ispage2;\n\t\t}\n\t\tif(TIFFGetField(input, TIFFTAG_SUBFILETYPE, &subfiletype)){\n\t\t\tif ( ((subfiletype & FILETYPE_PAGE) != 0)\n || (subfiletype == 0)){\n\t\t\t\tgoto ispage;\n\t\t\t} else {\n\t\t\t\tgoto isnotpage;\n\t\t\t}\n\t\t}\n\t\tif(TIFFGetField(input, TIFFTAG_OSUBFILETYPE, &subfiletype)){\n\t\t\tif ((subfiletype == OFILETYPE_IMAGE)\n\t\t\t\t|| (subfiletype == OFILETYPE_PAGE)\n\t\t\t\t|| (subfiletype == 0) ){\n\t\t\t\tgoto ispage;\n\t\t\t} else {\n\t\t\t\tgoto isnotpage;\n\t\t\t}\n\t\t}\n\t\tispage:\n\t\tt2p->tiff_pages[t2p->tiff_pagecount].page_number=t2p->tiff_pagecount;\n\t\tispage2:\n\t\tt2p->tiff_pages[t2p->tiff_pagecount].page_directory=i;\n\t\tif(TIFFIsTiled(input)){\n\t\t\tt2p->tiff_pages[t2p->tiff_pagecount].page_tilecount =\n\t\t\t\tTIFFNumberOfTiles(input);\n\t\t}\n\t\tt2p->tiff_pagecount++;\n\t\tisnotpage:\n\t\t(void)0;\n\t}\n\tqsort((void*) t2p->tiff_pages, t2p->tiff_pagecount,\n sizeof(T2P_PAGE), t2p_cmp_t2p_page);\n\tfor(i=0;i<t2p->tiff_pagecount;i++){\n\t\tt2p->pdf_xrefcount += 5;\n\t\tTIFFSetDirectory(input, t2p->tiff_pages[i].page_directory );\n\t\tif((TIFFGetField(input, TIFFTAG_PHOTOMETRIC, &xuint16)\n && (xuint16==PHOTOMETRIC_PALETTE))\n\t\t || TIFFGetField(input, TIFFTAG_INDEXED, &xuint16)) {\n\t\t\tt2p->tiff_pages[i].page_extra++;\n\t\t\tt2p->pdf_xrefcount++;\n\t\t}\n#ifdef ZIP_SUPPORT\n\t\tif (TIFFGetField(input, TIFFTAG_COMPRESSION, &xuint16)) {\n if( (xuint16== COMPRESSION_DEFLATE ||\n xuint16== COMPRESSION_ADOBE_DEFLATE) &&\n ((t2p->tiff_pages[i].page_tilecount != 0)\n || TIFFNumberOfStrips(input)==1) &&\n (t2p->pdf_nopassthrough==0)\t){\n if(t2p->pdf_minorversion<2){t2p->pdf_minorversion=2;}\n }\n }\n#endif\n\t\tif (TIFFGetField(input, TIFFTAG_TRANSFERFUNCTION,\n &(t2p->tiff_transferfunction[0]),\n &(t2p->tiff_transferfunction[1]),\n &(t2p->tiff_transferfunction[2]))) {\n\t\t\tif((t2p->tiff_transferfunction[1] != (float*) NULL) &&\n (t2p->tiff_transferfunction[2] != (float*) NULL) &&\n (t2p->tiff_transferfunction[1] !=\n t2p->tiff_transferfunction[0])) {\n\t\t\t\tt2p->tiff_transferfunctioncount = 3;\n\t\t\t\tt2p->tiff_pages[i].page_extra += 4;\n\t\t\t\tt2p->pdf_xrefcount += 4;\n\t\t\t} else {\n\t\t\t\tt2p->tiff_transferfunctioncount = 1;\n\t\t\t\tt2p->tiff_pages[i].page_extra += 2;\n\t\t\t\tt2p->pdf_xrefcount += 2;\n\t\t\t}\n\t\t\tif(t2p->pdf_minorversion < 2)\n\t\t\t\tt2p->pdf_minorversion = 2;\n } else {\n\t\t\tt2p->tiff_transferfunctioncount=0;\n\t\t}\n\t\tif( TIFFGetField(\n\t\t\tinput,\n\t\t\tTIFFTAG_ICCPROFILE,\n\t\t\t&(t2p->tiff_iccprofilelength),\n\t\t\t&(t2p->tiff_iccprofile)) != 0){\n\t\t\tt2p->tiff_pages[i].page_extra++;\n\t\t\tt2p->pdf_xrefcount++;\n\t\t\tif(t2p->pdf_minorversion<3){t2p->pdf_minorversion=3;}\n\t\t}\n\t\tt2p->tiff_tiles[i].tiles_tilecount=\n\t\t\tt2p->tiff_pages[i].page_tilecount;\n\t\tif( (TIFFGetField(input, TIFFTAG_PLANARCONFIG, &xuint16) != 0)\n\t\t\t&& (xuint16 == PLANARCONFIG_SEPARATE ) ){\n\t\t\t\tif( !TIFFGetField(input, TIFFTAG_SAMPLESPERPIXEL, &xuint16) )\n\t\t\t\t{\n\t\t\t\t\tTIFFError(\n TIFF2PDF_MODULE,\n "Missing SamplesPerPixel, %s",\n TIFFFileName(input));\n t2p->t2p_error = T2P_ERR_ERROR;\n return;\n\t\t\t\t}\n if( (t2p->tiff_tiles[i].tiles_tilecount % xuint16) != 0 )\n {\n TIFFError(\n TIFF2PDF_MODULE,\n "Invalid tile count, %s",\n TIFFFileName(input));\n t2p->t2p_error = T2P_ERR_ERROR;\n return;\n }\n\t\t\t\tt2p->tiff_tiles[i].tiles_tilecount/= xuint16;\n\t\t}\n\t\tif( t2p->tiff_tiles[i].tiles_tilecount > 0){\n\t\t\tt2p->pdf_xrefcount +=\n\t\t\t\t(t2p->tiff_tiles[i].tiles_tilecount -1)*2;\n\t\t\tTIFFGetField(input,\n\t\t\t\tTIFFTAG_TILEWIDTH,\n\t\t\t\t&( t2p->tiff_tiles[i].tiles_tilewidth) );\n\t\t\tTIFFGetField(input,\n\t\t\t\tTIFFTAG_TILELENGTH,\n\t\t\t\t&( t2p->tiff_tiles[i].tiles_tilelength) );\n\t\t\tt2p->tiff_tiles[i].tiles_tiles =\n\t\t\t(T2P_TILE*) _TIFFmalloc(TIFFSafeMultiply(tmsize_t,t2p->tiff_tiles[i].tiles_tilecount,\n sizeof(T2P_TILE)) );\n\t\t\tif( t2p->tiff_tiles[i].tiles_tiles == NULL){\n\t\t\t\tTIFFError(\n\t\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t\t"Can\'t allocate %lu bytes of memory for t2p_read_tiff_init, %s",\n\t\t\t\t\t(unsigned long) t2p->tiff_tiles[i].tiles_tilecount * sizeof(T2P_TILE),\n\t\t\t\t\tTIFFFileName(input));\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\treturn;\n\t\t\t}\n\t\t}\n\t}\n\treturn;\n}', 'void t2p_read_tiff_data(T2P* t2p, TIFF* input){\n\tint i=0;\n\tuint16* r;\n\tuint16* g;\n\tuint16* b;\n\tuint16* a;\n\tuint16 xuint16;\n\tuint16* xuint16p;\n\tfloat* xfloatp;\n\tt2p->pdf_transcode = T2P_TRANSCODE_ENCODE;\n\tt2p->pdf_sample = T2P_SAMPLE_NOTHING;\n t2p->pdf_switchdecode = t2p->pdf_colorspace_invert;\n\tTIFFSetDirectory(input, t2p->tiff_pages[t2p->pdf_page].page_directory);\n\tTIFFGetField(input, TIFFTAG_IMAGEWIDTH, &(t2p->tiff_width));\n\tif(t2p->tiff_width == 0){\n\t\tTIFFError(\n\t\t\tTIFF2PDF_MODULE,\n\t\t\t"No support for %s with zero width",\n\t\t\tTIFFFileName(input)\t);\n\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\treturn;\n\t}\n\tTIFFGetField(input, TIFFTAG_IMAGELENGTH, &(t2p->tiff_length));\n\tif(t2p->tiff_length == 0){\n\t\tTIFFError(\n\t\t\tTIFF2PDF_MODULE,\n\t\t\t"No support for %s with zero length",\n\t\t\tTIFFFileName(input)\t);\n\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\treturn;\n\t}\n if(TIFFGetField(input, TIFFTAG_COMPRESSION, &(t2p->tiff_compression)) == 0){\n TIFFError(\n TIFF2PDF_MODULE,\n "No support for %s with no compression tag",\n TIFFFileName(input) );\n t2p->t2p_error = T2P_ERR_ERROR;\n return;\n }\n if( TIFFIsCODECConfigured(t2p->tiff_compression) == 0){\n\t\tTIFFError(\n\t\t\tTIFF2PDF_MODULE,\n\t\t\t"No support for %s with compression type %u: not configured",\n\t\t\tTIFFFileName(input),\n\t\t\tt2p->tiff_compression\n\t\t\t);\n\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\treturn;\n\t}\n\tTIFFGetFieldDefaulted(input, TIFFTAG_BITSPERSAMPLE, &(t2p->tiff_bitspersample));\n\tswitch(t2p->tiff_bitspersample){\n\t\tcase 1:\n\t\tcase 2:\n\t\tcase 4:\n\t\tcase 8:\n\t\t\tbreak;\n\t\tcase 0:\n\t\t\tTIFFWarning(\n\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t"Image %s has 0 bits per sample, assuming 1",\n\t\t\t\tTIFFFileName(input));\n\t\t\tt2p->tiff_bitspersample=1;\n\t\t\tbreak;\n\t\tdefault:\n\t\t\tTIFFError(\n\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t"No support for %s with %u bits per sample",\n\t\t\t\tTIFFFileName(input),\n\t\t\t\tt2p->tiff_bitspersample);\n\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\treturn;\n\t}\n\tTIFFGetFieldDefaulted(input, TIFFTAG_SAMPLESPERPIXEL, &(t2p->tiff_samplesperpixel));\n\tif(t2p->tiff_samplesperpixel>4){\n\t\tTIFFError(\n\t\t\tTIFF2PDF_MODULE,\n\t\t\t"No support for %s with %u samples per pixel",\n\t\t\tTIFFFileName(input),\n\t\t\tt2p->tiff_samplesperpixel);\n\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\treturn;\n\t}\n\tif(t2p->tiff_samplesperpixel==0){\n\t\tTIFFWarning(\n\t\t\tTIFF2PDF_MODULE,\n\t\t\t"Image %s has 0 samples per pixel, assuming 1",\n\t\t\tTIFFFileName(input));\n\t\tt2p->tiff_samplesperpixel=1;\n\t}\n\tif(TIFFGetField(input, TIFFTAG_SAMPLEFORMAT, &xuint16) != 0 ){\n\t\tswitch(xuint16){\n\t\t\tcase 0:\n\t\t\tcase 1:\n\t\t\tcase 4:\n\t\t\t\tbreak;\n\t\t\tdefault:\n\t\t\t\tTIFFError(\n\t\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t\t"No support for %s with sample format %u",\n\t\t\t\t\tTIFFFileName(input),\n\t\t\t\t\txuint16);\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\treturn;\n\t\t\t\tbreak;\n\t\t}\n\t}\n\tTIFFGetFieldDefaulted(input, TIFFTAG_FILLORDER, &(t2p->tiff_fillorder));\n if(TIFFGetField(input, TIFFTAG_PHOTOMETRIC, &(t2p->tiff_photometric)) == 0){\n TIFFError(\n TIFF2PDF_MODULE,\n "No support for %s with no photometric interpretation tag",\n TIFFFileName(input) );\n t2p->t2p_error = T2P_ERR_ERROR;\n return;\n }\n\tswitch(t2p->tiff_photometric){\n\t\tcase PHOTOMETRIC_MINISWHITE:\n\t\tcase PHOTOMETRIC_MINISBLACK:\n\t\t\tif (t2p->tiff_bitspersample==1){\n\t\t\t\tt2p->pdf_colorspace=T2P_CS_BILEVEL;\n\t\t\t\tif(t2p->tiff_photometric==PHOTOMETRIC_MINISWHITE){\n\t\t\t\t\tt2p->pdf_switchdecode ^= 1;\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tt2p->pdf_colorspace=T2P_CS_GRAY;\n\t\t\t\tif(t2p->tiff_photometric==PHOTOMETRIC_MINISWHITE){\n\t\t\t\t\tt2p->pdf_switchdecode ^= 1;\n\t\t\t\t}\n\t\t\t}\n\t\t\tbreak;\n\t\tcase PHOTOMETRIC_RGB:\n\t\t\tt2p->pdf_colorspace=T2P_CS_RGB;\n\t\t\tif(t2p->tiff_samplesperpixel == 3){\n\t\t\t\tbreak;\n\t\t\t}\n\t\t\tif(TIFFGetField(input, TIFFTAG_INDEXED, &xuint16)){\n\t\t\t\tif(xuint16==1)\n\t\t\t\t\tgoto photometric_palette;\n\t\t\t}\n\t\t\tif(t2p->tiff_samplesperpixel > 3) {\n\t\t\t\tif(t2p->tiff_samplesperpixel == 4) {\n\t\t\t\t\tt2p->pdf_colorspace = T2P_CS_RGB;\n\t\t\t\t\tif(TIFFGetField(input,\n\t\t\t\t\t\t\tTIFFTAG_EXTRASAMPLES,\n\t\t\t\t\t\t\t&xuint16, &xuint16p)\n\t\t\t\t\t && xuint16 == 1) {\n\t\t\t\t\t\tif(xuint16p[0] == EXTRASAMPLE_ASSOCALPHA){\n\t\t\t\t\t\t\tt2p->pdf_sample=T2P_SAMPLE_RGBAA_TO_RGB;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t}\n\t\t\t\t\t\tif(xuint16p[0] == EXTRASAMPLE_UNASSALPHA){\n\t\t\t\t\t\t\tt2p->pdf_sample=T2P_SAMPLE_RGBA_TO_RGB;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t}\n\t\t\t\t\t\tTIFFWarning(\n\t\t\t\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t\t\t\t"RGB image %s has 4 samples per pixel, assuming RGBA",\n\t\t\t\t\t\t\tTIFFFileName(input));\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\t\t\t\t\tt2p->pdf_colorspace=T2P_CS_CMYK;\n\t\t\t\t\tt2p->pdf_switchdecode ^= 1;\n\t\t\t\t\tTIFFWarning(\n\t\t\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t\t\t"RGB image %s has 4 samples per pixel, assuming inverse CMYK",\n\t\t\t\t\tTIFFFileName(input));\n\t\t\t\t\tbreak;\n\t\t\t\t} else {\n\t\t\t\t\tTIFFError(\n\t\t\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t\t\t"No support for RGB image %s with %u samples per pixel",\n\t\t\t\t\t\tTIFFFileName(input),\n\t\t\t\t\t\tt2p->tiff_samplesperpixel);\n\t\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tTIFFError(\n\t\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t\t"No support for RGB image %s with %u samples per pixel",\n\t\t\t\t\tTIFFFileName(input),\n\t\t\t\t\tt2p->tiff_samplesperpixel);\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\tbreak;\n\t\t\t}\n\t\tcase PHOTOMETRIC_PALETTE:\n\t\t\tphotometric_palette:\n\t\t\tif(t2p->tiff_samplesperpixel!=1){\n\t\t\t\tTIFFError(\n\t\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t\t"No support for palettized image %s with not one sample per pixel",\n\t\t\t\t\tTIFFFileName(input));\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tt2p->pdf_colorspace=T2P_CS_RGB | T2P_CS_PALETTE;\n\t\t\tt2p->pdf_palettesize=0x0001<<t2p->tiff_bitspersample;\n\t\t\tif(!TIFFGetField(input, TIFFTAG_COLORMAP, &r, &g, &b)){\n\t\t\t\tTIFFError(\n\t\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t\t"Palettized image %s has no color map",\n\t\t\t\t\tTIFFFileName(input));\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tif(t2p->pdf_palette != NULL){\n\t\t\t\t_TIFFfree(t2p->pdf_palette);\n\t\t\t\tt2p->pdf_palette=NULL;\n\t\t\t}\n\t\t\tt2p->pdf_palette = (unsigned char*)\n\t\t\t\t_TIFFmalloc(TIFFSafeMultiply(tmsize_t,t2p->pdf_palettesize,3));\n\t\t\tif(t2p->pdf_palette==NULL){\n\t\t\t\tTIFFError(\n\t\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t\t"Can\'t allocate %u bytes of memory for t2p_read_tiff_image, %s",\n\t\t\t\t\tt2p->pdf_palettesize,\n\t\t\t\t\tTIFFFileName(input));\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tfor(i=0;i<t2p->pdf_palettesize;i++){\n\t\t\t\tt2p->pdf_palette[(i*3)] = (unsigned char) (r[i]>>8);\n\t\t\t\tt2p->pdf_palette[(i*3)+1]= (unsigned char) (g[i]>>8);\n\t\t\t\tt2p->pdf_palette[(i*3)+2]= (unsigned char) (b[i]>>8);\n\t\t\t}\n\t\t\tt2p->pdf_palettesize *= 3;\n\t\t\tbreak;\n\t\tcase PHOTOMETRIC_SEPARATED:\n\t\t\tif(TIFFGetField(input, TIFFTAG_INDEXED, &xuint16)){\n\t\t\t\tif(xuint16==1){\n\t\t\t\t\t\tgoto photometric_palette_cmyk;\n\t\t\t\t}\n\t\t\t}\n\t\t\tif( TIFFGetField(input, TIFFTAG_INKSET, &xuint16) ){\n\t\t\t\tif(xuint16 != INKSET_CMYK){\n\t\t\t\t\tTIFFError(\n\t\t\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t\t\t"No support for %s because its inkset is not CMYK",\n\t\t\t\t\t\tTIFFFileName(input) );\n\t\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\t\treturn;\n\t\t\t\t}\n\t\t\t}\n\t\t\tif(t2p->tiff_samplesperpixel==4){\n\t\t\t\tt2p->pdf_colorspace=T2P_CS_CMYK;\n\t\t\t} else {\n\t\t\t\tTIFFError(\n\t\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t\t"No support for %s because it has %u samples per pixel",\n\t\t\t\t\tTIFFFileName(input),\n\t\t\t\t\tt2p->tiff_samplesperpixel);\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tbreak;\n\t\t\tphotometric_palette_cmyk:\n\t\t\tif(t2p->tiff_samplesperpixel!=1){\n\t\t\t\tTIFFError(\n\t\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t\t"No support for palettized CMYK image %s with not one sample per pixel",\n\t\t\t\t\tTIFFFileName(input));\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tt2p->pdf_colorspace=T2P_CS_CMYK | T2P_CS_PALETTE;\n\t\t\tt2p->pdf_palettesize=0x0001<<t2p->tiff_bitspersample;\n\t\t\tif(!TIFFGetField(input, TIFFTAG_COLORMAP, &r, &g, &b, &a)){\n\t\t\t\tTIFFError(\n\t\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t\t"Palettized image %s has no color map",\n\t\t\t\t\tTIFFFileName(input));\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tif(t2p->pdf_palette != NULL){\n\t\t\t\t_TIFFfree(t2p->pdf_palette);\n\t\t\t\tt2p->pdf_palette=NULL;\n\t\t\t}\n\t\t\tt2p->pdf_palette = (unsigned char*)\n\t\t\t\t_TIFFmalloc(TIFFSafeMultiply(tmsize_t,t2p->pdf_palettesize,4));\n\t\t\tif(t2p->pdf_palette==NULL){\n\t\t\t\tTIFFError(\n\t\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t\t"Can\'t allocate %u bytes of memory for t2p_read_tiff_image, %s",\n\t\t\t\t\tt2p->pdf_palettesize,\n\t\t\t\t\tTIFFFileName(input));\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tfor(i=0;i<t2p->pdf_palettesize;i++){\n\t\t\t\tt2p->pdf_palette[(i*4)] = (unsigned char) (r[i]>>8);\n\t\t\t\tt2p->pdf_palette[(i*4)+1]= (unsigned char) (g[i]>>8);\n\t\t\t\tt2p->pdf_palette[(i*4)+2]= (unsigned char) (b[i]>>8);\n\t\t\t\tt2p->pdf_palette[(i*4)+3]= (unsigned char) (a[i]>>8);\n\t\t\t}\n\t\t\tt2p->pdf_palettesize *= 4;\n\t\t\tbreak;\n\t\tcase PHOTOMETRIC_YCBCR:\n\t\t\tt2p->pdf_colorspace=T2P_CS_RGB;\n\t\t\tif(t2p->tiff_samplesperpixel==1){\n\t\t\t\tt2p->pdf_colorspace=T2P_CS_GRAY;\n\t\t\t\tt2p->tiff_photometric=PHOTOMETRIC_MINISBLACK;\n\t\t\t\tbreak;\n\t\t\t}\n\t\t\tt2p->pdf_sample=T2P_SAMPLE_YCBCR_TO_RGB;\n#ifdef JPEG_SUPPORT\n\t\t\tif(t2p->pdf_defaultcompression==T2P_COMPRESS_JPEG){\n\t\t\t\tt2p->pdf_sample=T2P_SAMPLE_NOTHING;\n\t\t\t}\n#endif\n\t\t\tbreak;\n\t\tcase PHOTOMETRIC_CIELAB:\n if( t2p->tiff_samplesperpixel != 3){\n TIFFError(\n TIFF2PDF_MODULE,\n "Unsupported samplesperpixel = %d for CIELAB",\n t2p->tiff_samplesperpixel);\n t2p->t2p_error = T2P_ERR_ERROR;\n return;\n }\n if( t2p->tiff_bitspersample != 8){\n TIFFError(\n TIFF2PDF_MODULE,\n "Invalid bitspersample = %d for CIELAB",\n t2p->tiff_bitspersample);\n t2p->t2p_error = T2P_ERR_ERROR;\n return;\n }\n\t\t\tt2p->pdf_labrange[0]= -127;\n\t\t\tt2p->pdf_labrange[1]= 127;\n\t\t\tt2p->pdf_labrange[2]= -127;\n\t\t\tt2p->pdf_labrange[3]= 127;\n\t\t\tt2p->pdf_sample=T2P_SAMPLE_LAB_SIGNED_TO_UNSIGNED;\n\t\t\tt2p->pdf_colorspace=T2P_CS_LAB;\n\t\t\tbreak;\n\t\tcase PHOTOMETRIC_ICCLAB:\n\t\t\tt2p->pdf_labrange[0]= 0;\n\t\t\tt2p->pdf_labrange[1]= 255;\n\t\t\tt2p->pdf_labrange[2]= 0;\n\t\t\tt2p->pdf_labrange[3]= 255;\n\t\t\tt2p->pdf_colorspace=T2P_CS_LAB;\n\t\t\tbreak;\n\t\tcase PHOTOMETRIC_ITULAB:\n if( t2p->tiff_samplesperpixel != 3){\n TIFFError(\n TIFF2PDF_MODULE,\n "Unsupported samplesperpixel = %d for ITULAB",\n t2p->tiff_samplesperpixel);\n t2p->t2p_error = T2P_ERR_ERROR;\n return;\n }\n if( t2p->tiff_bitspersample != 8){\n TIFFError(\n TIFF2PDF_MODULE,\n "Invalid bitspersample = %d for ITULAB",\n t2p->tiff_bitspersample);\n t2p->t2p_error = T2P_ERR_ERROR;\n return;\n }\n\t\t\tt2p->pdf_labrange[0]=-85;\n\t\t\tt2p->pdf_labrange[1]=85;\n\t\t\tt2p->pdf_labrange[2]=-75;\n\t\t\tt2p->pdf_labrange[3]=124;\n\t\t\tt2p->pdf_sample=T2P_SAMPLE_LAB_SIGNED_TO_UNSIGNED;\n\t\t\tt2p->pdf_colorspace=T2P_CS_LAB;\n\t\t\tbreak;\n\t\tcase PHOTOMETRIC_LOGL:\n\t\tcase PHOTOMETRIC_LOGLUV:\n\t\t\tTIFFError(\n\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t"No support for %s with photometric interpretation LogL/LogLuv",\n\t\t\t\tTIFFFileName(input));\n\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\treturn;\n\t\tdefault:\n\t\t\tTIFFError(\n\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t"No support for %s with photometric interpretation %u",\n\t\t\t\tTIFFFileName(input),\n\t\t\t\tt2p->tiff_photometric);\n\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\treturn;\n\t}\n\tif(TIFFGetField(input, TIFFTAG_PLANARCONFIG, &(t2p->tiff_planar))){\n\t\tswitch(t2p->tiff_planar){\n\t\t\tcase 0:\n\t\t\t\tTIFFWarning(\n\t\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t\t"Image %s has planar configuration 0, assuming 1",\n\t\t\t\t\tTIFFFileName(input));\n\t\t\t\tt2p->tiff_planar=PLANARCONFIG_CONTIG;\n\t\t\tcase PLANARCONFIG_CONTIG:\n\t\t\t\tbreak;\n\t\t\tcase PLANARCONFIG_SEPARATE:\n\t\t\t\tt2p->pdf_sample=T2P_SAMPLE_PLANAR_SEPARATE_TO_CONTIG;\n\t\t\t\tif(t2p->tiff_bitspersample!=8){\n\t\t\t\t\tTIFFError(\n\t\t\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t\t\t"No support for %s with separated planar configuration and %u bits per sample",\n\t\t\t\t\t\tTIFFFileName(input),\n\t\t\t\t\t\tt2p->tiff_bitspersample);\n\t\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\t\treturn;\n\t\t\t\t}\n\t\t\t\tbreak;\n\t\t\tdefault:\n\t\t\t\tTIFFError(\n\t\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t\t"No support for %s with planar configuration %u",\n\t\t\t\t\tTIFFFileName(input),\n\t\t\t\t\tt2p->tiff_planar);\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\treturn;\n\t\t}\n\t}\n TIFFGetFieldDefaulted(input, TIFFTAG_ORIENTATION,\n &(t2p->tiff_orientation));\n if(t2p->tiff_orientation>8){\n TIFFWarning(TIFF2PDF_MODULE,\n "Image %s has orientation %u, assuming 0",\n TIFFFileName(input), t2p->tiff_orientation);\n t2p->tiff_orientation=0;\n }\n if(TIFFGetField(input, TIFFTAG_XRESOLUTION, &(t2p->tiff_xres) ) == 0){\n t2p->tiff_xres=0.0;\n }\n if(TIFFGetField(input, TIFFTAG_YRESOLUTION, &(t2p->tiff_yres) ) == 0){\n t2p->tiff_yres=0.0;\n }\n\tTIFFGetFieldDefaulted(input, TIFFTAG_RESOLUTIONUNIT,\n\t\t\t &(t2p->tiff_resunit));\n\tif(t2p->tiff_resunit == RESUNIT_CENTIMETER) {\n\t\tt2p->tiff_xres *= 2.54F;\n\t\tt2p->tiff_yres *= 2.54F;\n\t} else if (t2p->tiff_resunit != RESUNIT_INCH\n\t\t && t2p->pdf_centimeters != 0) {\n\t\tt2p->tiff_xres *= 2.54F;\n\t\tt2p->tiff_yres *= 2.54F;\n\t}\n\tt2p_compose_pdf_page(t2p);\n\tt2p->pdf_transcode = T2P_TRANSCODE_ENCODE;\n\tif(t2p->pdf_nopassthrough==0){\n#ifdef CCITT_SUPPORT\n\t\tif(t2p->tiff_compression==COMPRESSION_CCITTFAX4\n\t\t\t){\n\t\t\tif(TIFFIsTiled(input) || (TIFFNumberOfStrips(input)==1) ){\n\t\t\t\tt2p->pdf_transcode = T2P_TRANSCODE_RAW;\n\t\t\t\tt2p->pdf_compression=T2P_COMPRESS_G4;\n\t\t\t}\n\t\t}\n#endif\n#ifdef ZIP_SUPPORT\n\t\tif(t2p->tiff_compression== COMPRESSION_ADOBE_DEFLATE\n\t\t\t|| t2p->tiff_compression==COMPRESSION_DEFLATE){\n\t\t\tif(TIFFIsTiled(input) || (TIFFNumberOfStrips(input)==1) ){\n\t\t\t\tt2p->pdf_transcode = T2P_TRANSCODE_RAW;\n\t\t\t\tt2p->pdf_compression=T2P_COMPRESS_ZIP;\n\t\t\t}\n\t\t}\n#endif\n#ifdef OJPEG_SUPPORT\n\t\tif(t2p->tiff_compression==COMPRESSION_OJPEG){\n\t\t\tt2p->pdf_transcode = T2P_TRANSCODE_RAW;\n\t\t\tt2p->pdf_compression=T2P_COMPRESS_JPEG;\n\t\t\tt2p_process_ojpeg_tables(t2p, input);\n\t\t}\n#endif\n#ifdef JPEG_SUPPORT\n\t\tif(t2p->tiff_compression==COMPRESSION_JPEG){\n\t\t\tt2p->pdf_transcode = T2P_TRANSCODE_RAW;\n\t\t\tt2p->pdf_compression=T2P_COMPRESS_JPEG;\n\t\t}\n#endif\n\t\t(void)0;\n\t}\n\tif(t2p->pdf_transcode!=T2P_TRANSCODE_RAW){\n\t\tt2p->pdf_compression = t2p->pdf_defaultcompression;\n\t}\n#ifdef JPEG_SUPPORT\n\tif(t2p->pdf_defaultcompression==T2P_COMPRESS_JPEG){\n\t\tif(t2p->pdf_colorspace & T2P_CS_PALETTE){\n\t\t\tt2p->pdf_sample|=T2P_SAMPLE_REALIZE_PALETTE;\n\t\t\tt2p->pdf_colorspace ^= T2P_CS_PALETTE;\n\t\t\tt2p->tiff_pages[t2p->pdf_page].page_extra--;\n\t\t}\n\t}\n\tif(t2p->tiff_compression==COMPRESSION_JPEG){\n\t\tif(t2p->tiff_planar==PLANARCONFIG_SEPARATE){\n\t\t\tTIFFError(\n\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t"No support for %s with JPEG compression and separated planar configuration",\n\t\t\t\tTIFFFileName(input));\n\t\t\t\tt2p->t2p_error=T2P_ERR_ERROR;\n\t\t\treturn;\n\t\t}\n\t}\n#endif\n#ifdef OJPEG_SUPPORT\n\tif(t2p->tiff_compression==COMPRESSION_OJPEG){\n\t\tif(t2p->tiff_planar==PLANARCONFIG_SEPARATE){\n\t\t\tTIFFError(\n\t\t\t\tTIFF2PDF_MODULE,\n\t\t\t\t"No support for %s with OJPEG compression and separated planar configuration",\n\t\t\t\tTIFFFileName(input));\n\t\t\t\tt2p->t2p_error=T2P_ERR_ERROR;\n\t\t\treturn;\n\t\t}\n\t}\n#endif\n\tif(t2p->pdf_sample & T2P_SAMPLE_REALIZE_PALETTE){\n\t\tif(t2p->pdf_colorspace & T2P_CS_CMYK){\n\t\t\tt2p->tiff_samplesperpixel=4;\n\t\t\tt2p->tiff_photometric=PHOTOMETRIC_SEPARATED;\n\t\t} else {\n\t\t\tt2p->tiff_samplesperpixel=3;\n\t\t\tt2p->tiff_photometric=PHOTOMETRIC_RGB;\n\t\t}\n\t}\n\tif (TIFFGetField(input, TIFFTAG_TRANSFERFUNCTION,\n\t\t\t &(t2p->tiff_transferfunction[0]),\n\t\t\t &(t2p->tiff_transferfunction[1]),\n\t\t\t &(t2p->tiff_transferfunction[2]))) {\n\t\tif((t2p->tiff_transferfunction[1] != (float*) NULL) &&\n (t2p->tiff_transferfunction[2] != (float*) NULL) &&\n (t2p->tiff_transferfunction[1] !=\n t2p->tiff_transferfunction[0])) {\n\t\t\tt2p->tiff_transferfunctioncount=3;\n\t\t} else {\n\t\t\tt2p->tiff_transferfunctioncount=1;\n\t\t}\n\t} else {\n\t\tt2p->tiff_transferfunctioncount=0;\n\t}\n\tif(TIFFGetField(input, TIFFTAG_WHITEPOINT, &xfloatp)!=0){\n\t\tt2p->tiff_whitechromaticities[0]=xfloatp[0];\n\t\tt2p->tiff_whitechromaticities[1]=xfloatp[1];\n\t\tif(t2p->pdf_colorspace & T2P_CS_GRAY){\n\t\t\tt2p->pdf_colorspace |= T2P_CS_CALGRAY;\n\t\t}\n\t\tif(t2p->pdf_colorspace & T2P_CS_RGB){\n\t\t\tt2p->pdf_colorspace |= T2P_CS_CALRGB;\n\t\t}\n\t}\n\tif(TIFFGetField(input, TIFFTAG_PRIMARYCHROMATICITIES, &xfloatp)!=0){\n\t\tt2p->tiff_primarychromaticities[0]=xfloatp[0];\n\t\tt2p->tiff_primarychromaticities[1]=xfloatp[1];\n\t\tt2p->tiff_primarychromaticities[2]=xfloatp[2];\n\t\tt2p->tiff_primarychromaticities[3]=xfloatp[3];\n\t\tt2p->tiff_primarychromaticities[4]=xfloatp[4];\n\t\tt2p->tiff_primarychromaticities[5]=xfloatp[5];\n\t\tif(t2p->pdf_colorspace & T2P_CS_RGB){\n\t\t\tt2p->pdf_colorspace |= T2P_CS_CALRGB;\n\t\t}\n\t}\n\tif(t2p->pdf_colorspace & T2P_CS_LAB){\n\t\tif(TIFFGetField(input, TIFFTAG_WHITEPOINT, &xfloatp) != 0){\n\t\t\tt2p->tiff_whitechromaticities[0]=xfloatp[0];\n\t\t\tt2p->tiff_whitechromaticities[1]=xfloatp[1];\n\t\t} else {\n\t\t\tt2p->tiff_whitechromaticities[0]=0.3457F;\n\t\t\tt2p->tiff_whitechromaticities[1]=0.3585F;\n\t\t}\n\t}\n\tif(TIFFGetField(input,\n\t\tTIFFTAG_ICCPROFILE,\n\t\t&(t2p->tiff_iccprofilelength),\n\t\t&(t2p->tiff_iccprofile))!=0){\n\t\tt2p->pdf_colorspace |= T2P_CS_ICCBASED;\n\t} else {\n\t\tt2p->tiff_iccprofilelength=0;\n\t\tt2p->tiff_iccprofile=NULL;\n\t}\n#ifdef CCITT_SUPPORT\n\tif( t2p->tiff_bitspersample==1 &&\n\t\tt2p->tiff_samplesperpixel==1){\n\t\tt2p->pdf_compression = T2P_COMPRESS_G4;\n\t}\n#endif\n\treturn;\n}'] |
21,089 | 0 | https://github.com/openssl/openssl/blob/95dc05bc6d0dfe0f3f3681f5e27afbc3f7a35eea/crypto/md5/md5_dgst.c/#L133 | void MD5_Update(MD5_CTX *c, const void *_data, unsigned long len)
{
register const unsigned char *data=_data;
register ULONG *p;
int sw,sc;
ULONG l;
if (len == 0) return;
l=(c->Nl+(len<<3))&0xffffffffL;
if (l < c->Nl)
c->Nh++;
c->Nh+=(len>>29);
c->Nl=l;
if (c->num != 0)
{
p=c->data;
sw=c->num>>2;
sc=c->num&0x03;
if ((c->num+len) >= MD5_CBLOCK)
{
l= p[sw];
p_c2l(data,l,sc);
p[sw++]=l;
for (; sw<MD5_LBLOCK; sw++)
{
c2l(data,l);
p[sw]=l;
}
len-=(MD5_CBLOCK-c->num);
md5_block(c,p,64);
c->num=0;
}
else
{
int ew,ec;
c->num+=(int)len;
if ((sc+len) < 4)
{
l= p[sw];
p_c2l_p(data,l,sc,len);
p[sw]=l;
}
else
{
ew=(c->num>>2);
ec=(c->num&0x03);
l= p[sw];
p_c2l(data,l,sc);
p[sw++]=l;
for (; sw < ew; sw++)
{ c2l(data,l); p[sw]=l; }
if (ec)
{
c2l_p(data,l,ec);
p[sw]=l;
}
}
return;
}
}
#ifdef L_ENDIAN
if ((((unsigned long)data)%sizeof(ULONG)) == 0)
{
sw=(int)len/MD5_CBLOCK;
if (sw > 0)
{
sw*=MD5_CBLOCK;
md5_block(c,(ULONG *)data,sw);
data+=sw;
len-=sw;
}
}
#endif
p=c->data;
while (len >= MD5_CBLOCK)
{
#if defined(L_ENDIAN) || defined(B_ENDIAN)
if (p != (unsigned long *)data)
memcpy(p,data,MD5_CBLOCK);
data+=MD5_CBLOCK;
#ifdef B_ENDIAN
for (sw=(MD5_LBLOCK/4); sw; sw--)
{
Endian_Reverse32(p[0]);
Endian_Reverse32(p[1]);
Endian_Reverse32(p[2]);
Endian_Reverse32(p[3]);
p+=4;
}
#endif
#else
for (sw=(MD5_LBLOCK/4); sw; sw--)
{
c2l(data,l); *(p++)=l;
c2l(data,l); *(p++)=l;
c2l(data,l); *(p++)=l;
c2l(data,l); *(p++)=l;
}
#endif
p=c->data;
md5_block(c,p,64);
len-=MD5_CBLOCK;
}
sc=(int)len;
c->num=sc;
if (sc)
{
sw=sc>>2;
#ifdef L_ENDIAN
p[sw]=0;
memcpy(p,data,sc);
#else
sc&=0x03;
for ( ; sw; sw--)
{ c2l(data,l); *(p++)=l; }
c2l_p(data,l,sc);
*p=l;
#endif
}
} | ['static void ssleay_rand_seed(const void *buf, int num)\n\t{\n\tint i,j,k,st_idx,st_num;\n\tMD_CTX m;\n#ifdef NORAND\n\treturn;\n#endif\n\tCRYPTO_w_lock(CRYPTO_LOCK_RAND);\n\tst_idx=state_index;\n\tst_num=state_num;\n\tstate_index=(state_index+num);\n\tif (state_index >= STATE_SIZE)\n\t\t{\n\t\tstate_index%=STATE_SIZE;\n\t\tstate_num=STATE_SIZE;\n\t\t}\n\telse if (state_num < STATE_SIZE)\n\t\t{\n\t\tif (state_index > state_num)\n\t\t\tstate_num=state_index;\n\t\t}\n\tCRYPTO_w_unlock(CRYPTO_LOCK_RAND);\n\tfor (i=0; i<num; i+=MD_DIGEST_LENGTH)\n\t\t{\n\t\tj=(num-i);\n\t\tj=(j > MD_DIGEST_LENGTH)?MD_DIGEST_LENGTH:j;\n\t\tMD_Init(&m);\n\t\tMD_Update(&m,md,MD_DIGEST_LENGTH);\n\t\tk=(st_idx+j)-STATE_SIZE;\n\t\tif (k > 0)\n\t\t\t{\n\t\t\tMD_Update(&m,&(state[st_idx]),j-k);\n\t\t\tMD_Update(&m,&(state[0]),k);\n\t\t\t}\n\t\telse\n\t\t\tMD_Update(&m,&(state[st_idx]),j);\n\t\tMD_Update(&m,buf,j);\n\t\tMD_Update(&m,(unsigned char *)&(md_count[0]),sizeof(md_count));\n\t\tMD_Final(md,&m);\n\t\tmd_count[1]++;\n\t\tbuf=(const char *)buf + j;\n\t\tfor (k=0; k<j; k++)\n\t\t\t{\n\t\t\tstate[st_idx++]^=md[k];\n\t\t\tif (st_idx >= STATE_SIZE)\n\t\t\t\t{\n\t\t\t\tst_idx=0;\n\t\t\t\tst_num=STATE_SIZE;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\tmemset((char *)&m,0,sizeof(m));\n\t}', 'void MD5_Init(MD5_CTX *c)\n\t{\n\tc->A=INIT_DATA_A;\n\tc->B=INIT_DATA_B;\n\tc->C=INIT_DATA_C;\n\tc->D=INIT_DATA_D;\n\tc->Nl=0;\n\tc->Nh=0;\n\tc->num=0;\n\t}', 'void MD5_Update(MD5_CTX *c, const void *_data, unsigned long len)\n\t{\n\tregister const unsigned char *data=_data;\n\tregister ULONG *p;\n\tint sw,sc;\n\tULONG l;\n\tif (len == 0) return;\n\tl=(c->Nl+(len<<3))&0xffffffffL;\n\tif (l < c->Nl)\n\t\tc->Nh++;\n\tc->Nh+=(len>>29);\n\tc->Nl=l;\n\tif (c->num != 0)\n\t\t{\n\t\tp=c->data;\n\t\tsw=c->num>>2;\n\t\tsc=c->num&0x03;\n\t\tif ((c->num+len) >= MD5_CBLOCK)\n\t\t\t{\n\t\t\tl= p[sw];\n\t\t\tp_c2l(data,l,sc);\n\t\t\tp[sw++]=l;\n\t\t\tfor (; sw<MD5_LBLOCK; sw++)\n\t\t\t\t{\n\t\t\t\tc2l(data,l);\n\t\t\t\tp[sw]=l;\n\t\t\t\t}\n\t\t\tlen-=(MD5_CBLOCK-c->num);\n\t\t\tmd5_block(c,p,64);\n\t\t\tc->num=0;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tint ew,ec;\n\t\t\tc->num+=(int)len;\n\t\t\tif ((sc+len) < 4)\n\t\t\t\t{\n\t\t\t\tl= p[sw];\n\t\t\t\tp_c2l_p(data,l,sc,len);\n\t\t\t\tp[sw]=l;\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tew=(c->num>>2);\n\t\t\t\tec=(c->num&0x03);\n\t\t\t\tl= p[sw];\n\t\t\t\tp_c2l(data,l,sc);\n\t\t\t\tp[sw++]=l;\n\t\t\t\tfor (; sw < ew; sw++)\n\t\t\t\t\t{ c2l(data,l); p[sw]=l; }\n\t\t\t\tif (ec)\n\t\t\t\t\t{\n\t\t\t\t\tc2l_p(data,l,ec);\n\t\t\t\t\tp[sw]=l;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\treturn;\n\t\t\t}\n\t\t}\n#ifdef L_ENDIAN\n\tif ((((unsigned long)data)%sizeof(ULONG)) == 0)\n\t\t{\n\t\tsw=(int)len/MD5_CBLOCK;\n\t\tif (sw > 0)\n\t\t\t{\n\t\t\tsw*=MD5_CBLOCK;\n\t\t\tmd5_block(c,(ULONG *)data,sw);\n\t\t\tdata+=sw;\n\t\t\tlen-=sw;\n\t\t\t}\n\t\t}\n#endif\n\tp=c->data;\n\twhile (len >= MD5_CBLOCK)\n\t\t{\n#if defined(L_ENDIAN) || defined(B_ENDIAN)\n\t\tif (p != (unsigned long *)data)\n\t\t\tmemcpy(p,data,MD5_CBLOCK);\n\t\tdata+=MD5_CBLOCK;\n#ifdef B_ENDIAN\n\t\tfor (sw=(MD5_LBLOCK/4); sw; sw--)\n\t\t\t{\n\t\t\tEndian_Reverse32(p[0]);\n\t\t\tEndian_Reverse32(p[1]);\n\t\t\tEndian_Reverse32(p[2]);\n\t\t\tEndian_Reverse32(p[3]);\n\t\t\tp+=4;\n\t\t\t}\n#endif\n#else\n\t\tfor (sw=(MD5_LBLOCK/4); sw; sw--)\n\t\t\t{\n\t\t\tc2l(data,l); *(p++)=l;\n\t\t\tc2l(data,l); *(p++)=l;\n\t\t\tc2l(data,l); *(p++)=l;\n\t\t\tc2l(data,l); *(p++)=l;\n\t\t\t}\n#endif\n\t\tp=c->data;\n\t\tmd5_block(c,p,64);\n\t\tlen-=MD5_CBLOCK;\n\t\t}\n\tsc=(int)len;\n\tc->num=sc;\n\tif (sc)\n\t\t{\n\t\tsw=sc>>2;\n#ifdef L_ENDIAN\n\t\tp[sw]=0;\n\t\tmemcpy(p,data,sc);\n#else\n\t\tsc&=0x03;\n\t\tfor ( ; sw; sw--)\n\t\t\t{ c2l(data,l); *(p++)=l; }\n\t\tc2l_p(data,l,sc);\n\t\t*p=l;\n#endif\n\t\t}\n\t}'] |
21,090 | 0 | https://github.com/openssl/openssl/blob/5ea564f154ebe8bda2a0e091a312e2058edf437f/crypto/bn/bn_lib.c/#L331 | BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)
{
bn_check_top(b);
if (a == b)
return a;
if (bn_wexpand(a, b->top) == NULL)
return NULL;
memcpy(a->d, b->d, sizeof(b->d[0]) * b->top);
a->top = b->top;
a->neg = b->neg;
bn_check_top(a);
return a;
} | ['static void prime_field_tests(void)\n{\n BN_CTX *ctx = NULL;\n BIGNUM *p, *a, *b;\n EC_GROUP *group;\n EC_GROUP *P_160 = NULL, *P_192 = NULL, *P_224 = NULL, *P_256 =\n NULL, *P_384 = NULL, *P_521 = NULL;\n EC_POINT *P, *Q, *R;\n BIGNUM *x, *y, *z, *yplusone;\n unsigned char buf[100];\n size_t i, len;\n int k;\n ctx = BN_CTX_new();\n if (!ctx)\n ABORT;\n p = BN_new();\n a = BN_new();\n b = BN_new();\n if (!p || !a || !b)\n ABORT;\n if (!BN_hex2bn(&p, "17"))\n ABORT;\n if (!BN_hex2bn(&a, "1"))\n ABORT;\n if (!BN_hex2bn(&b, "1"))\n ABORT;\n group = EC_GROUP_new(EC_GFp_mont_method());\n if (!group)\n ABORT;\n if (!EC_GROUP_set_curve_GFp(group, p, a, b, ctx))\n ABORT;\n {\n EC_GROUP *tmp;\n tmp = EC_GROUP_new(EC_GROUP_method_of(group));\n if (!tmp)\n ABORT;\n if (!EC_GROUP_copy(tmp, group))\n ABORT;\n EC_GROUP_free(group);\n group = tmp;\n }\n if (!EC_GROUP_get_curve_GFp(group, p, a, b, ctx))\n ABORT;\n fprintf(stdout,\n "Curve defined by Weierstrass equation\\n y^2 = x^3 + a*x + b (mod 0x");\n BN_print_fp(stdout, p);\n fprintf(stdout, ")\\n a = 0x");\n BN_print_fp(stdout, a);\n fprintf(stdout, "\\n b = 0x");\n BN_print_fp(stdout, b);\n fprintf(stdout, "\\n");\n P = EC_POINT_new(group);\n Q = EC_POINT_new(group);\n R = EC_POINT_new(group);\n if (!P || !Q || !R)\n ABORT;\n if (!EC_POINT_set_to_infinity(group, P))\n ABORT;\n if (!EC_POINT_is_at_infinity(group, P))\n ABORT;\n buf[0] = 0;\n if (!EC_POINT_oct2point(group, Q, buf, 1, ctx))\n ABORT;\n if (!EC_POINT_add(group, P, P, Q, ctx))\n ABORT;\n if (!EC_POINT_is_at_infinity(group, P))\n ABORT;\n x = BN_new();\n y = BN_new();\n z = BN_new();\n yplusone = BN_new();\n if (x == NULL || y == NULL || z == NULL || yplusone == NULL)\n ABORT;\n if (!BN_hex2bn(&x, "D"))\n ABORT;\n if (!EC_POINT_set_compressed_coordinates_GFp(group, Q, x, 1, ctx))\n ABORT;\n if (EC_POINT_is_on_curve(group, Q, ctx) <= 0) {\n if (!EC_POINT_get_affine_coordinates_GFp(group, Q, x, y, ctx))\n ABORT;\n fprintf(stderr, "Point is not on curve: x = 0x");\n BN_print_fp(stderr, x);\n fprintf(stderr, ", y = 0x");\n BN_print_fp(stderr, y);\n fprintf(stderr, "\\n");\n ABORT;\n }\n fprintf(stdout, "A cyclic subgroup:\\n");\n k = 100;\n do {\n if (k-- == 0)\n ABORT;\n if (EC_POINT_is_at_infinity(group, P))\n fprintf(stdout, " point at infinity\\n");\n else {\n if (!EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx))\n ABORT;\n fprintf(stdout, " x = 0x");\n BN_print_fp(stdout, x);\n fprintf(stdout, ", y = 0x");\n BN_print_fp(stdout, y);\n fprintf(stdout, "\\n");\n }\n if (!EC_POINT_copy(R, P))\n ABORT;\n if (!EC_POINT_add(group, P, P, Q, ctx))\n ABORT;\n }\n while (!EC_POINT_is_at_infinity(group, P));\n if (!EC_POINT_add(group, P, Q, R, ctx))\n ABORT;\n if (!EC_POINT_is_at_infinity(group, P))\n ABORT;\n len =\n EC_POINT_point2oct(group, Q, POINT_CONVERSION_COMPRESSED, buf,\n sizeof buf, ctx);\n if (len == 0)\n ABORT;\n if (!EC_POINT_oct2point(group, P, buf, len, ctx))\n ABORT;\n if (0 != EC_POINT_cmp(group, P, Q, ctx))\n ABORT;\n fprintf(stdout, "Generator as octet string, compressed form:\\n ");\n for (i = 0; i < len; i++)\n fprintf(stdout, "%02X", buf[i]);\n len =\n EC_POINT_point2oct(group, Q, POINT_CONVERSION_UNCOMPRESSED, buf,\n sizeof buf, ctx);\n if (len == 0)\n ABORT;\n if (!EC_POINT_oct2point(group, P, buf, len, ctx))\n ABORT;\n if (0 != EC_POINT_cmp(group, P, Q, ctx))\n ABORT;\n fprintf(stdout, "\\nGenerator as octet string, uncompressed form:\\n ");\n for (i = 0; i < len; i++)\n fprintf(stdout, "%02X", buf[i]);\n len =\n EC_POINT_point2oct(group, Q, POINT_CONVERSION_HYBRID, buf, sizeof buf,\n ctx);\n if (len == 0)\n ABORT;\n if (!EC_POINT_oct2point(group, P, buf, len, ctx))\n ABORT;\n if (0 != EC_POINT_cmp(group, P, Q, ctx))\n ABORT;\n fprintf(stdout, "\\nGenerator as octet string, hybrid form:\\n ");\n for (i = 0; i < len; i++)\n fprintf(stdout, "%02X", buf[i]);\n if (!EC_POINT_get_Jprojective_coordinates_GFp(group, R, x, y, z, ctx))\n ABORT;\n fprintf(stdout,\n "\\nA representation of the inverse of that generator in\\nJacobian projective coordinates:\\n X = 0x");\n BN_print_fp(stdout, x);\n fprintf(stdout, ", Y = 0x");\n BN_print_fp(stdout, y);\n fprintf(stdout, ", Z = 0x");\n BN_print_fp(stdout, z);\n fprintf(stdout, "\\n");\n if (!EC_POINT_invert(group, P, ctx))\n ABORT;\n if (0 != EC_POINT_cmp(group, P, R, ctx))\n ABORT;\n if (!BN_hex2bn(&p, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFF"))\n ABORT;\n if (1 != BN_is_prime_ex(p, BN_prime_checks, ctx, NULL))\n ABORT;\n if (!BN_hex2bn(&a, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFC"))\n ABORT;\n if (!BN_hex2bn(&b, "1C97BEFC54BD7A8B65ACF89F81D4D4ADC565FA45"))\n ABORT;\n if (!EC_GROUP_set_curve_GFp(group, p, a, b, ctx))\n ABORT;\n if (!BN_hex2bn(&x, "4A96B5688EF573284664698968C38BB913CBFC82"))\n ABORT;\n if (!BN_hex2bn(&y, "23a628553168947d59dcc912042351377ac5fb32"))\n ABORT;\n if (!BN_add(yplusone, y, BN_value_one()))\n ABORT;\n if (EC_POINT_set_affine_coordinates_GFp(group, P, x, yplusone, ctx))\n ABORT;\n if (!EC_POINT_set_affine_coordinates_GFp(group, P, x, y, ctx))\n ABORT;\n if (EC_POINT_is_on_curve(group, P, ctx) <= 0)\n ABORT;\n if (!BN_hex2bn(&z, "0100000000000000000001F4C8F927AED3CA752257"))\n ABORT;\n if (!EC_GROUP_set_generator(group, P, z, BN_value_one()))\n ABORT;\n if (!EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx))\n ABORT;\n fprintf(stdout, "\\nSEC2 curve secp160r1 -- Generator:\\n x = 0x");\n BN_print_fp(stdout, x);\n fprintf(stdout, "\\n y = 0x");\n BN_print_fp(stdout, y);\n fprintf(stdout, "\\n");\n if (!BN_hex2bn(&z, "23a628553168947d59dcc912042351377ac5fb32"))\n ABORT;\n if (0 != BN_cmp(y, z))\n ABORT;\n fprintf(stdout, "verify degree ...");\n if (EC_GROUP_get_degree(group) != 160)\n ABORT;\n fprintf(stdout, " ok\\n");\n group_order_tests(group);\n if ((P_160 = EC_GROUP_new(EC_GROUP_method_of(group))) == NULL)\n ABORT;\n if (!EC_GROUP_copy(P_160, group))\n ABORT;\n if (!BN_hex2bn(&p, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFF"))\n ABORT;\n if (1 != BN_is_prime_ex(p, BN_prime_checks, ctx, NULL))\n ABORT;\n if (!BN_hex2bn(&a, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFC"))\n ABORT;\n if (!BN_hex2bn(&b, "64210519E59C80E70FA7E9AB72243049FEB8DEECC146B9B1"))\n ABORT;\n if (!EC_GROUP_set_curve_GFp(group, p, a, b, ctx))\n ABORT;\n if (!BN_hex2bn(&x, "188DA80EB03090F67CBF20EB43A18800F4FF0AFD82FF1012"))\n ABORT;\n if (!EC_POINT_set_compressed_coordinates_GFp(group, P, x, 1, ctx))\n ABORT;\n if (EC_POINT_is_on_curve(group, P, ctx) <= 0)\n ABORT;\n if (!BN_hex2bn(&z, "FFFFFFFFFFFFFFFFFFFFFFFF99DEF836146BC9B1B4D22831"))\n ABORT;\n if (!EC_GROUP_set_generator(group, P, z, BN_value_one()))\n ABORT;\n if (!EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx))\n ABORT;\n fprintf(stdout, "\\nNIST curve P-192 -- Generator:\\n x = 0x");\n BN_print_fp(stdout, x);\n fprintf(stdout, "\\n y = 0x");\n BN_print_fp(stdout, y);\n fprintf(stdout, "\\n");\n if (!BN_hex2bn(&z, "07192B95FFC8DA78631011ED6B24CDD573F977A11E794811"))\n ABORT;\n if (0 != BN_cmp(y, z))\n ABORT;\n if (!BN_add(yplusone, y, BN_value_one()))\n ABORT;\n if (EC_POINT_set_affine_coordinates_GFp(group, P, x, yplusone, ctx))\n ABORT;\n fprintf(stdout, "verify degree ...");\n if (EC_GROUP_get_degree(group) != 192)\n ABORT;\n fprintf(stdout, " ok\\n");\n group_order_tests(group);\n if ((P_192 = EC_GROUP_new(EC_GROUP_method_of(group))) == NULL)\n ABORT;\n if (!EC_GROUP_copy(P_192, group))\n ABORT;\n if (!BN_hex2bn\n (&p, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000000000000000000001"))\n ABORT;\n if (1 != BN_is_prime_ex(p, BN_prime_checks, ctx, NULL))\n ABORT;\n if (!BN_hex2bn\n (&a, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFFFFFFFFFE"))\n ABORT;\n if (!BN_hex2bn\n (&b, "B4050A850C04B3ABF54132565044B0B7D7BFD8BA270B39432355FFB4"))\n ABORT;\n if (!EC_GROUP_set_curve_GFp(group, p, a, b, ctx))\n ABORT;\n if (!BN_hex2bn\n (&x, "B70E0CBD6BB4BF7F321390B94A03C1D356C21122343280D6115C1D21"))\n ABORT;\n if (!EC_POINT_set_compressed_coordinates_GFp(group, P, x, 0, ctx))\n ABORT;\n if (EC_POINT_is_on_curve(group, P, ctx) <= 0)\n ABORT;\n if (!BN_hex2bn\n (&z, "FFFFFFFFFFFFFFFFFFFFFFFFFFFF16A2E0B8F03E13DD29455C5C2A3D"))\n ABORT;\n if (!EC_GROUP_set_generator(group, P, z, BN_value_one()))\n ABORT;\n if (!EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx))\n ABORT;\n fprintf(stdout, "\\nNIST curve P-224 -- Generator:\\n x = 0x");\n BN_print_fp(stdout, x);\n fprintf(stdout, "\\n y = 0x");\n BN_print_fp(stdout, y);\n fprintf(stdout, "\\n");\n if (!BN_hex2bn\n (&z, "BD376388B5F723FB4C22DFE6CD4375A05A07476444D5819985007E34"))\n ABORT;\n if (0 != BN_cmp(y, z))\n ABORT;\n if (!BN_add(yplusone, y, BN_value_one()))\n ABORT;\n if (EC_POINT_set_affine_coordinates_GFp(group, P, x, yplusone, ctx))\n ABORT;\n fprintf(stdout, "verify degree ...");\n if (EC_GROUP_get_degree(group) != 224)\n ABORT;\n fprintf(stdout, " ok\\n");\n group_order_tests(group);\n if ((P_224 = EC_GROUP_new(EC_GROUP_method_of(group))) == NULL)\n ABORT;\n if (!EC_GROUP_copy(P_224, group))\n ABORT;\n if (!BN_hex2bn\n (&p,\n "FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFF"))\n ABORT;\n if (1 != BN_is_prime_ex(p, BN_prime_checks, ctx, NULL))\n ABORT;\n if (!BN_hex2bn\n (&a,\n "FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFC"))\n ABORT;\n if (!BN_hex2bn\n (&b,\n "5AC635D8AA3A93E7B3EBBD55769886BC651D06B0CC53B0F63BCE3C3E27D2604B"))\n ABORT;\n if (!EC_GROUP_set_curve_GFp(group, p, a, b, ctx))\n ABORT;\n if (!BN_hex2bn\n (&x,\n "6B17D1F2E12C4247F8BCE6E563A440F277037D812DEB33A0F4A13945D898C296"))\n ABORT;\n if (!EC_POINT_set_compressed_coordinates_GFp(group, P, x, 1, ctx))\n ABORT;\n if (EC_POINT_is_on_curve(group, P, ctx) <= 0)\n ABORT;\n if (!BN_hex2bn(&z, "FFFFFFFF00000000FFFFFFFFFFFFFFFFBCE6FAADA7179E"\n "84F3B9CAC2FC632551"))\n ABORT;\n if (!EC_GROUP_set_generator(group, P, z, BN_value_one()))\n ABORT;\n if (!EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx))\n ABORT;\n fprintf(stdout, "\\nNIST curve P-256 -- Generator:\\n x = 0x");\n BN_print_fp(stdout, x);\n fprintf(stdout, "\\n y = 0x");\n BN_print_fp(stdout, y);\n fprintf(stdout, "\\n");\n if (!BN_hex2bn\n (&z,\n "4FE342E2FE1A7F9B8EE7EB4A7C0F9E162BCE33576B315ECECBB6406837BF51F5"))\n ABORT;\n if (0 != BN_cmp(y, z))\n ABORT;\n if (!BN_add(yplusone, y, BN_value_one()))\n ABORT;\n if (EC_POINT_set_affine_coordinates_GFp(group, P, x, yplusone, ctx))\n ABORT;\n fprintf(stdout, "verify degree ...");\n if (EC_GROUP_get_degree(group) != 256)\n ABORT;\n fprintf(stdout, " ok\\n");\n group_order_tests(group);\n if ((P_256 = EC_GROUP_new(EC_GROUP_method_of(group))) == NULL)\n ABORT;\n if (!EC_GROUP_copy(P_256, group))\n ABORT;\n if (!BN_hex2bn(&p, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"\n "FFFFFFFFFFFFFFFFFEFFFFFFFF0000000000000000FFFFFFFF"))\n ABORT;\n if (1 != BN_is_prime_ex(p, BN_prime_checks, ctx, NULL))\n ABORT;\n if (!BN_hex2bn(&a, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"\n "FFFFFFFFFFFFFFFFFEFFFFFFFF0000000000000000FFFFFFFC"))\n ABORT;\n if (!BN_hex2bn(&b, "B3312FA7E23EE7E4988E056BE3F82D19181D9C6EFE8141"\n "120314088F5013875AC656398D8A2ED19D2A85C8EDD3EC2AEF"))\n ABORT;\n if (!EC_GROUP_set_curve_GFp(group, p, a, b, ctx))\n ABORT;\n if (!BN_hex2bn(&x, "AA87CA22BE8B05378EB1C71EF320AD746E1D3B628BA79B"\n "9859F741E082542A385502F25DBF55296C3A545E3872760AB7"))\n ABORT;\n if (!EC_POINT_set_compressed_coordinates_GFp(group, P, x, 1, ctx))\n ABORT;\n if (EC_POINT_is_on_curve(group, P, ctx) <= 0)\n ABORT;\n if (!BN_hex2bn(&z, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"\n "FFC7634D81F4372DDF581A0DB248B0A77AECEC196ACCC52973"))\n ABORT;\n if (!EC_GROUP_set_generator(group, P, z, BN_value_one()))\n ABORT;\n if (!EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx))\n ABORT;\n fprintf(stdout, "\\nNIST curve P-384 -- Generator:\\n x = 0x");\n BN_print_fp(stdout, x);\n fprintf(stdout, "\\n y = 0x");\n BN_print_fp(stdout, y);\n fprintf(stdout, "\\n");\n if (!BN_hex2bn(&z, "3617DE4A96262C6F5D9E98BF9292DC29F8F41DBD289A14"\n "7CE9DA3113B5F0B8C00A60B1CE1D7E819D7A431D7C90EA0E5F"))\n ABORT;\n if (0 != BN_cmp(y, z))\n ABORT;\n if (!BN_add(yplusone, y, BN_value_one()))\n ABORT;\n if (EC_POINT_set_affine_coordinates_GFp(group, P, x, yplusone, ctx))\n ABORT;\n fprintf(stdout, "verify degree ...");\n if (EC_GROUP_get_degree(group) != 384)\n ABORT;\n fprintf(stdout, " ok\\n");\n group_order_tests(group);\n if ((P_384 = EC_GROUP_new(EC_GROUP_method_of(group))) == NULL)\n ABORT;\n if (!EC_GROUP_copy(P_384, group))\n ABORT;\n if (!BN_hex2bn(&p, "1FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"\n "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"\n "FFFFFFFFFFFFFFFFFFFFFFFFFFFF"))\n ABORT;\n if (1 != BN_is_prime_ex(p, BN_prime_checks, ctx, NULL))\n ABORT;\n if (!BN_hex2bn(&a, "1FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"\n "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"\n "FFFFFFFFFFFFFFFFFFFFFFFFFFFC"))\n ABORT;\n if (!BN_hex2bn(&b, "051953EB9618E1C9A1F929A21A0B68540EEA2DA725B99B"\n "315F3B8B489918EF109E156193951EC7E937B1652C0BD3BB1BF073573"\n "DF883D2C34F1EF451FD46B503F00"))\n ABORT;\n if (!EC_GROUP_set_curve_GFp(group, p, a, b, ctx))\n ABORT;\n if (!BN_hex2bn(&x, "C6858E06B70404E9CD9E3ECB662395B4429C648139053F"\n "B521F828AF606B4D3DBAA14B5E77EFE75928FE1DC127A2FFA8DE3348B"\n "3C1856A429BF97E7E31C2E5BD66"))\n ABORT;\n if (!EC_POINT_set_compressed_coordinates_GFp(group, P, x, 0, ctx))\n ABORT;\n if (EC_POINT_is_on_curve(group, P, ctx) <= 0)\n ABORT;\n if (!BN_hex2bn(&z, "1FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"\n "FFFFFFFFFFFFFFFFFFFFA51868783BF2F966B7FCC0148F709A5D03BB5"\n "C9B8899C47AEBB6FB71E91386409"))\n ABORT;\n if (!EC_GROUP_set_generator(group, P, z, BN_value_one()))\n ABORT;\n if (!EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx))\n ABORT;\n fprintf(stdout, "\\nNIST curve P-521 -- Generator:\\n x = 0x");\n BN_print_fp(stdout, x);\n fprintf(stdout, "\\n y = 0x");\n BN_print_fp(stdout, y);\n fprintf(stdout, "\\n");\n if (!BN_hex2bn(&z, "11839296A789A3BC0045C8A5FB42C7D1BD998F54449579"\n "B446817AFBD17273E662C97EE72995EF42640C550B9013FAD0761353C"\n "7086A272C24088BE94769FD16650"))\n ABORT;\n if (0 != BN_cmp(y, z))\n ABORT;\n if (!BN_add(yplusone, y, BN_value_one()))\n ABORT;\n if (EC_POINT_set_affine_coordinates_GFp(group, P, x, yplusone, ctx))\n ABORT;\n fprintf(stdout, "verify degree ...");\n if (EC_GROUP_get_degree(group) != 521)\n ABORT;\n fprintf(stdout, " ok\\n");\n group_order_tests(group);\n if ((P_521 = EC_GROUP_new(EC_GROUP_method_of(group))) == NULL)\n ABORT;\n if (!EC_GROUP_copy(P_521, group))\n ABORT;\n if (!EC_POINT_set_affine_coordinates_GFp(group, P, x, y, ctx))\n ABORT;\n if (!EC_POINT_copy(Q, P))\n ABORT;\n if (EC_POINT_is_at_infinity(group, Q))\n ABORT;\n if (!EC_POINT_dbl(group, P, P, ctx))\n ABORT;\n if (EC_POINT_is_on_curve(group, P, ctx) <= 0)\n ABORT;\n if (!EC_POINT_invert(group, Q, ctx))\n ABORT;\n if (!EC_POINT_add(group, R, P, Q, ctx))\n ABORT;\n if (!EC_POINT_add(group, R, R, Q, ctx))\n ABORT;\n if (!EC_POINT_is_at_infinity(group, R))\n ABORT;\n {\n const EC_POINT *points[4];\n const BIGNUM *scalars[4];\n BIGNUM *scalar3;\n if (EC_POINT_is_at_infinity(group, Q))\n ABORT;\n points[0] = Q;\n points[1] = Q;\n points[2] = Q;\n points[3] = Q;\n if (!EC_GROUP_get_order(group, z, ctx))\n ABORT;\n if (!BN_add(y, z, BN_value_one()))\n ABORT;\n if (BN_is_odd(y))\n ABORT;\n if (!BN_rshift1(y, y))\n ABORT;\n scalars[0] = y;\n scalars[1] = y;\n fprintf(stdout, "combined multiplication ...");\n fflush(stdout);\n if (!EC_POINTs_mul(group, P, NULL, 2, points, scalars, ctx))\n ABORT;\n if (!EC_POINTs_mul(group, R, z, 2, points, scalars, ctx))\n ABORT;\n if (0 != EC_POINT_cmp(group, P, R, ctx))\n ABORT;\n if (0 != EC_POINT_cmp(group, R, Q, ctx))\n ABORT;\n fprintf(stdout, ".");\n fflush(stdout);\n if (!BN_pseudo_rand(y, BN_num_bits(y), 0, 0))\n ABORT;\n if (!BN_add(z, z, y))\n ABORT;\n BN_set_negative(z, 1);\n scalars[0] = y;\n scalars[1] = z;\n if (!EC_POINTs_mul(group, P, NULL, 2, points, scalars, ctx))\n ABORT;\n if (!EC_POINT_is_at_infinity(group, P))\n ABORT;\n fprintf(stdout, ".");\n fflush(stdout);\n if (!BN_pseudo_rand(x, BN_num_bits(y) - 1, 0, 0))\n ABORT;\n if (!BN_add(z, x, y))\n ABORT;\n BN_set_negative(z, 1);\n scalars[0] = x;\n scalars[1] = y;\n scalars[2] = z;\n scalar3 = BN_new();\n if (!scalar3)\n ABORT;\n BN_zero(scalar3);\n scalars[3] = scalar3;\n if (!EC_POINTs_mul(group, P, NULL, 4, points, scalars, ctx))\n ABORT;\n if (!EC_POINT_is_at_infinity(group, P))\n ABORT;\n fprintf(stdout, " ok\\n\\n");\n BN_free(scalar3);\n }\n BN_CTX_free(ctx);\n BN_free(p);\n BN_free(a);\n BN_free(b);\n EC_GROUP_free(group);\n EC_POINT_free(P);\n EC_POINT_free(Q);\n EC_POINT_free(R);\n BN_free(x);\n BN_free(y);\n BN_free(z);\n BN_free(yplusone);\n EC_GROUP_free(P_160);\n EC_GROUP_free(P_192);\n EC_GROUP_free(P_224);\n EC_GROUP_free(P_256);\n EC_GROUP_free(P_384);\n EC_GROUP_free(P_521);\n}', 'const BIGNUM *BN_value_one(void)\n{\n static const BN_ULONG data_one = 1L;\n static const BIGNUM const_one =\n { (BN_ULONG *)&data_one, 1, 1, 0, BN_FLG_STATIC_DATA };\n return (&const_one);\n}', 'int EC_GROUP_set_generator(EC_GROUP *group, const EC_POINT *generator,\n const BIGNUM *order, const BIGNUM *cofactor)\n{\n if (generator == NULL) {\n ECerr(EC_F_EC_GROUP_SET_GENERATOR, ERR_R_PASSED_NULL_PARAMETER);\n return 0;\n }\n if (group->generator == NULL) {\n group->generator = EC_POINT_new(group);\n if (group->generator == NULL)\n return 0;\n }\n if (!EC_POINT_copy(group->generator, generator))\n return 0;\n if (order != NULL) {\n if (!BN_copy(group->order, order))\n return 0;\n } else\n BN_zero(group->order);\n if (cofactor != NULL) {\n if (!BN_copy(group->cofactor, cofactor))\n return 0;\n } else\n BN_zero(group->cofactor);\n if (BN_is_odd(group->order)) {\n return ec_precompute_mont_data(group);\n }\n BN_MONT_CTX_free(group->mont_data);\n group->mont_data = NULL;\n return 1;\n}', 'BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)\n{\n bn_check_top(b);\n if (a == b)\n return a;\n if (bn_wexpand(a, b->top) == NULL)\n return NULL;\n memcpy(a->d, b->d, sizeof(b->d[0]) * b->top);\n a->top = b->top;\n a->neg = b->neg;\n bn_check_top(a);\n return a;\n}', 'BIGNUM *bn_wexpand(BIGNUM *a, int words)\n{\n return (words <= a->dmax) ? a : bn_expand2(a, words);\n}'] |
21,091 | 0 | https://github.com/openssl/openssl/blob/260a16f33682a819414fcba6161708a5e6bdff50/crypto/lhash/lhash.c/#L200 | static void doall_util_fn(OPENSSL_LHASH *lh, int use_arg,
OPENSSL_LH_DOALL_FUNC func,
OPENSSL_LH_DOALL_FUNCARG func_arg, void *arg)
{
int i;
OPENSSL_LH_NODE *a, *n;
if (lh == NULL)
return;
for (i = lh->num_nodes - 1; i >= 0; i--) {
a = lh->b[i];
while (a != NULL) {
n = a->next;
if (use_arg)
func_arg(a->data, arg);
else
func(a->data);
a = n;
}
}
} | ['static int test_client_hello(int currtest)\n{\n SSL_CTX *ctx;\n SSL *con = NULL;\n BIO *rbio;\n BIO *wbio;\n long len;\n unsigned char *data;\n PACKET pkt, pkt2, pkt3;\n char *dummytick = "Hello World!";\n unsigned int type = 0;\n int testresult = 0;\n size_t msglen;\n BIO *sessbio = NULL;\n SSL_SESSION *sess = NULL;\n#ifdef OPENSSL_NO_TLS1_3\n if (currtest == TEST_ADD_PADDING_AND_PSK)\n return 1;\n#endif\n memset(&pkt, 0, sizeof(pkt));\n memset(&pkt2, 0, sizeof(pkt2));\n memset(&pkt3, 0, sizeof(pkt3));\n ctx = SSL_CTX_new(TLS_method());\n if (!TEST_ptr(ctx))\n goto end;\n if (!TEST_true(SSL_CTX_set_max_proto_version(ctx, 0)))\n goto end;\n switch(currtest) {\n case TEST_SET_SESSION_TICK_DATA_VER_NEG:\n#if !defined(OPENSSL_NO_TLS1_3) && defined(OPENSSL_NO_TLS1_2)\n return 1;\n#else\n if (!TEST_true(SSL_CTX_set_max_proto_version(ctx, TLS1_2_VERSION)))\n goto end;\n#endif\n break;\n case TEST_ADD_PADDING_AND_PSK:\n if (!TEST_false(SSL_CTX_set_cipher_list(ctx, "")))\n goto end;\n ERR_clear_error();\n case TEST_ADD_PADDING:\n case TEST_PADDING_NOT_NEEDED:\n SSL_CTX_set_options(ctx, SSL_OP_TLSEXT_PADDING);\n SSL_CTX_clear_options(ctx, SSL_OP_ENABLE_MIDDLEBOX_COMPAT);\n if (currtest == TEST_ADD_PADDING) {\n if (!TEST_false(SSL_CTX_set_alpn_protos(ctx,\n (unsigned char *)alpn_prots,\n sizeof(alpn_prots) - 1)))\n goto end;\n } else if (!TEST_true(SSL_CTX_set_cipher_list(ctx,\n "AES128-SHA"))\n || !TEST_true(SSL_CTX_set_ciphersuites(ctx,\n "TLS_AES_128_GCM_SHA256"))) {\n goto end;\n }\n break;\n default:\n goto end;\n }\n con = SSL_new(ctx);\n if (!TEST_ptr(con))\n goto end;\n if (currtest == TEST_ADD_PADDING_AND_PSK) {\n sessbio = BIO_new_file(sessionfile, "r");\n if (!TEST_ptr(sessbio)) {\n TEST_info("Unable to open session.pem");\n goto end;\n }\n sess = PEM_read_bio_SSL_SESSION(sessbio, NULL, NULL, NULL);\n if (!TEST_ptr(sess)) {\n TEST_info("Unable to load SSL_SESSION");\n goto end;\n }\n if (!TEST_true(SSL_SESSION_set_time(sess, (long)time(NULL)))\n || !TEST_true(SSL_set_session(con, sess)))\n goto end;\n }\n rbio = BIO_new(BIO_s_mem());\n wbio = BIO_new(BIO_s_mem());\n if (!TEST_ptr(rbio)|| !TEST_ptr(wbio)) {\n BIO_free(rbio);\n BIO_free(wbio);\n goto end;\n }\n SSL_set_bio(con, rbio, wbio);\n SSL_set_connect_state(con);\n if (currtest == TEST_SET_SESSION_TICK_DATA_VER_NEG) {\n if (!TEST_true(SSL_set_session_ticket_ext(con, dummytick,\n strlen(dummytick))))\n goto end;\n }\n if (!TEST_int_le(SSL_connect(con), 0)) {\n goto end;\n }\n len = BIO_get_mem_data(wbio, (char **)&data);\n if (!TEST_true(PACKET_buf_init(&pkt, data, len))\n || !PACKET_forward(&pkt, SSL3_RT_HEADER_LENGTH))\n goto end;\n msglen = PACKET_remaining(&pkt);\n if (!TEST_true(PACKET_forward(&pkt, SSL3_HM_HEADER_LENGTH))\n || !TEST_true(PACKET_forward(&pkt, CLIENT_VERSION_LEN\n + SSL3_RANDOM_SIZE))\n || !TEST_true(PACKET_get_length_prefixed_1(&pkt, &pkt2))\n || !TEST_true(PACKET_get_length_prefixed_2(&pkt, &pkt2))\n || !TEST_true(PACKET_get_length_prefixed_1(&pkt, &pkt2))\n || !TEST_true(PACKET_as_length_prefixed_2(&pkt, &pkt2)))\n goto end;\n while (PACKET_remaining(&pkt2)) {\n if (!TEST_true(PACKET_get_net_2(&pkt2, &type))\n || !TEST_true(PACKET_get_length_prefixed_2(&pkt2, &pkt3)))\n goto end;\n if (type == TLSEXT_TYPE_session_ticket) {\n if (currtest == TEST_SET_SESSION_TICK_DATA_VER_NEG) {\n if (TEST_true(PACKET_equal(&pkt3, dummytick,\n strlen(dummytick)))) {\n testresult = 1;\n }\n goto end;\n }\n }\n if (type == TLSEXT_TYPE_padding) {\n if (!TEST_false(currtest == TEST_PADDING_NOT_NEEDED))\n goto end;\n else if (TEST_true(currtest == TEST_ADD_PADDING\n || currtest == TEST_ADD_PADDING_AND_PSK))\n testresult = TEST_true(msglen == F5_WORKAROUND_MAX_MSG_LEN);\n }\n }\n if (currtest == TEST_PADDING_NOT_NEEDED)\n testresult = 1;\nend:\n SSL_free(con);\n SSL_CTX_free(ctx);\n SSL_SESSION_free(sess);\n BIO_free(sessbio);\n return testresult;\n}', 'SSL *SSL_new(SSL_CTX *ctx)\n{\n SSL *s;\n if (ctx == NULL) {\n SSLerr(SSL_F_SSL_NEW, SSL_R_NULL_SSL_CTX);\n return NULL;\n }\n if (ctx->method == NULL) {\n SSLerr(SSL_F_SSL_NEW, SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION);\n return NULL;\n }\n s = OPENSSL_zalloc(sizeof(*s));\n if (s == NULL)\n goto err;\n s->references = 1;\n s->lock = CRYPTO_THREAD_lock_new();\n if (s->lock == NULL) {\n OPENSSL_free(s);\n s = NULL;\n goto err;\n }\n RECORD_LAYER_init(&s->rlayer, s);\n s->options = ctx->options;\n s->dane.flags = ctx->dane.flags;\n s->min_proto_version = ctx->min_proto_version;\n s->max_proto_version = ctx->max_proto_version;\n s->mode = ctx->mode;\n s->max_cert_list = ctx->max_cert_list;\n s->max_early_data = ctx->max_early_data;\n s->recv_max_early_data = ctx->recv_max_early_data;\n s->num_tickets = ctx->num_tickets;\n s->pha_enabled = ctx->pha_enabled;\n s->tls13_ciphersuites = sk_SSL_CIPHER_dup(ctx->tls13_ciphersuites);\n if (s->tls13_ciphersuites == NULL)\n goto err;\n s->cert = ssl_cert_dup(ctx->cert);\n if (s->cert == NULL)\n goto err;\n RECORD_LAYER_set_read_ahead(&s->rlayer, ctx->read_ahead);\n s->msg_callback = ctx->msg_callback;\n s->msg_callback_arg = ctx->msg_callback_arg;\n s->verify_mode = ctx->verify_mode;\n s->not_resumable_session_cb = ctx->not_resumable_session_cb;\n s->record_padding_cb = ctx->record_padding_cb;\n s->record_padding_arg = ctx->record_padding_arg;\n s->block_padding = ctx->block_padding;\n s->sid_ctx_length = ctx->sid_ctx_length;\n if (!ossl_assert(s->sid_ctx_length <= sizeof(s->sid_ctx)))\n goto err;\n memcpy(&s->sid_ctx, &ctx->sid_ctx, sizeof(s->sid_ctx));\n s->verify_callback = ctx->default_verify_callback;\n s->generate_session_id = ctx->generate_session_id;\n s->param = X509_VERIFY_PARAM_new();\n if (s->param == NULL)\n goto err;\n X509_VERIFY_PARAM_inherit(s->param, ctx->param);\n s->quiet_shutdown = ctx->quiet_shutdown;\n s->ext.max_fragment_len_mode = ctx->ext.max_fragment_len_mode;\n s->max_send_fragment = ctx->max_send_fragment;\n s->split_send_fragment = ctx->split_send_fragment;\n s->max_pipelines = ctx->max_pipelines;\n if (s->max_pipelines > 1)\n RECORD_LAYER_set_read_ahead(&s->rlayer, 1);\n if (ctx->default_read_buf_len > 0)\n SSL_set_default_read_buffer_len(s, ctx->default_read_buf_len);\n SSL_CTX_up_ref(ctx);\n s->ctx = ctx;\n s->ext.debug_cb = 0;\n s->ext.debug_arg = NULL;\n s->ext.ticket_expected = 0;\n s->ext.status_type = ctx->ext.status_type;\n s->ext.status_expected = 0;\n s->ext.ocsp.ids = NULL;\n s->ext.ocsp.exts = NULL;\n s->ext.ocsp.resp = NULL;\n s->ext.ocsp.resp_len = 0;\n SSL_CTX_up_ref(ctx);\n s->session_ctx = ctx;\n#ifndef OPENSSL_NO_EC\n if (ctx->ext.ecpointformats) {\n s->ext.ecpointformats =\n OPENSSL_memdup(ctx->ext.ecpointformats,\n ctx->ext.ecpointformats_len);\n if (!s->ext.ecpointformats)\n goto err;\n s->ext.ecpointformats_len =\n ctx->ext.ecpointformats_len;\n }\n if (ctx->ext.supportedgroups) {\n s->ext.supportedgroups =\n OPENSSL_memdup(ctx->ext.supportedgroups,\n ctx->ext.supportedgroups_len\n * sizeof(*ctx->ext.supportedgroups));\n if (!s->ext.supportedgroups)\n goto err;\n s->ext.supportedgroups_len = ctx->ext.supportedgroups_len;\n }\n#endif\n#ifndef OPENSSL_NO_NEXTPROTONEG\n s->ext.npn = NULL;\n#endif\n if (s->ctx->ext.alpn) {\n s->ext.alpn = OPENSSL_malloc(s->ctx->ext.alpn_len);\n if (s->ext.alpn == NULL)\n goto err;\n memcpy(s->ext.alpn, s->ctx->ext.alpn, s->ctx->ext.alpn_len);\n s->ext.alpn_len = s->ctx->ext.alpn_len;\n }\n s->verified_chain = NULL;\n s->verify_result = X509_V_OK;\n s->default_passwd_callback = ctx->default_passwd_callback;\n s->default_passwd_callback_userdata = ctx->default_passwd_callback_userdata;\n s->method = ctx->method;\n s->key_update = SSL_KEY_UPDATE_NONE;\n s->allow_early_data_cb = ctx->allow_early_data_cb;\n s->allow_early_data_cb_data = ctx->allow_early_data_cb_data;\n if (!s->method->ssl_new(s))\n goto err;\n s->server = (ctx->method->ssl_accept == ssl_undefined_function) ? 0 : 1;\n if (!SSL_clear(s))\n goto err;\n if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data))\n goto err;\n#ifndef OPENSSL_NO_PSK\n s->psk_client_callback = ctx->psk_client_callback;\n s->psk_server_callback = ctx->psk_server_callback;\n#endif\n s->psk_find_session_cb = ctx->psk_find_session_cb;\n s->psk_use_session_cb = ctx->psk_use_session_cb;\n s->async_cb = ctx->async_cb;\n s->async_cb_arg = ctx->async_cb_arg;\n s->job = NULL;\n#ifndef OPENSSL_NO_CT\n if (!SSL_set_ct_validation_callback(s, ctx->ct_validation_callback,\n ctx->ct_validation_callback_arg))\n goto err;\n#endif\n return s;\n err:\n SSL_free(s);\n SSLerr(SSL_F_SSL_NEW, ERR_R_MALLOC_FAILURE);\n return NULL;\n}', 'void SSL_free(SSL *s)\n{\n int i;\n if (s == NULL)\n return;\n CRYPTO_DOWN_REF(&s->references, &i, s->lock);\n REF_PRINT_COUNT("SSL", s);\n if (i > 0)\n return;\n REF_ASSERT_ISNT(i < 0);\n X509_VERIFY_PARAM_free(s->param);\n dane_final(&s->dane);\n CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data);\n RECORD_LAYER_release(&s->rlayer);\n ssl_free_wbio_buffer(s);\n BIO_free_all(s->wbio);\n s->wbio = NULL;\n BIO_free_all(s->rbio);\n s->rbio = NULL;\n BUF_MEM_free(s->init_buf);\n sk_SSL_CIPHER_free(s->cipher_list);\n sk_SSL_CIPHER_free(s->cipher_list_by_id);\n sk_SSL_CIPHER_free(s->tls13_ciphersuites);\n if (s->session != NULL) {\n ssl_clear_bad_session(s);\n SSL_SESSION_free(s->session);\n }\n SSL_SESSION_free(s->psksession);\n OPENSSL_free(s->psksession_id);\n clear_ciphers(s);\n ssl_cert_free(s->cert);\n OPENSSL_free(s->ext.hostname);\n SSL_CTX_free(s->session_ctx);\n#ifndef OPENSSL_NO_EC\n OPENSSL_free(s->ext.ecpointformats);\n OPENSSL_free(s->ext.supportedgroups);\n#endif\n sk_X509_EXTENSION_pop_free(s->ext.ocsp.exts, X509_EXTENSION_free);\n#ifndef OPENSSL_NO_OCSP\n sk_OCSP_RESPID_pop_free(s->ext.ocsp.ids, OCSP_RESPID_free);\n#endif\n#ifndef OPENSSL_NO_CT\n SCT_LIST_free(s->scts);\n OPENSSL_free(s->ext.scts);\n#endif\n OPENSSL_free(s->ext.ocsp.resp);\n OPENSSL_free(s->ext.alpn);\n OPENSSL_free(s->ext.tls13_cookie);\n OPENSSL_free(s->clienthello);\n OPENSSL_free(s->pha_context);\n EVP_MD_CTX_free(s->pha_dgst);\n sk_X509_NAME_pop_free(s->ca_names, X509_NAME_free);\n sk_X509_NAME_pop_free(s->client_ca_names, X509_NAME_free);\n sk_X509_pop_free(s->verified_chain, X509_free);\n if (s->method != NULL)\n s->method->ssl_free(s);\n SSL_CTX_free(s->ctx);\n ASYNC_WAIT_CTX_free(s->waitctx);\n#if !defined(OPENSSL_NO_NEXTPROTONEG)\n OPENSSL_free(s->ext.npn);\n#endif\n#ifndef OPENSSL_NO_SRTP\n sk_SRTP_PROTECTION_PROFILE_free(s->srtp_profiles);\n#endif\n CRYPTO_THREAD_lock_free(s->lock);\n OPENSSL_free(s);\n}', 'void SSL_CTX_free(SSL_CTX *a)\n{\n int i;\n if (a == NULL)\n return;\n CRYPTO_DOWN_REF(&a->references, &i, a->lock);\n REF_PRINT_COUNT("SSL_CTX", a);\n if (i > 0)\n return;\n REF_ASSERT_ISNT(i < 0);\n X509_VERIFY_PARAM_free(a->param);\n dane_ctx_final(&a->dane);\n if (a->sessions != NULL)\n SSL_CTX_flush_sessions(a, 0);\n CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX, a, &a->ex_data);\n lh_SSL_SESSION_free(a->sessions);\n X509_STORE_free(a->cert_store);\n#ifndef OPENSSL_NO_CT\n CTLOG_STORE_free(a->ctlog_store);\n#endif\n sk_SSL_CIPHER_free(a->cipher_list);\n sk_SSL_CIPHER_free(a->cipher_list_by_id);\n sk_SSL_CIPHER_free(a->tls13_ciphersuites);\n ssl_cert_free(a->cert);\n sk_X509_NAME_pop_free(a->ca_names, X509_NAME_free);\n sk_X509_NAME_pop_free(a->client_ca_names, X509_NAME_free);\n sk_X509_pop_free(a->extra_certs, X509_free);\n a->comp_methods = NULL;\n#ifndef OPENSSL_NO_SRTP\n sk_SRTP_PROTECTION_PROFILE_free(a->srtp_profiles);\n#endif\n#ifndef OPENSSL_NO_SRP\n SSL_CTX_SRP_CTX_free(a);\n#endif\n#ifndef OPENSSL_NO_ENGINE\n ENGINE_finish(a->client_cert_engine);\n#endif\n#ifndef OPENSSL_NO_EC\n OPENSSL_free(a->ext.ecpointformats);\n OPENSSL_free(a->ext.supportedgroups);\n#endif\n OPENSSL_free(a->ext.alpn);\n OPENSSL_secure_free(a->ext.secure);\n CRYPTO_THREAD_lock_free(a->lock);\n OPENSSL_free(a);\n}', 'void SSL_CTX_flush_sessions(SSL_CTX *s, long t)\n{\n unsigned long i;\n TIMEOUT_PARAM tp;\n tp.ctx = s;\n tp.cache = s->sessions;\n if (tp.cache == NULL)\n return;\n tp.time = t;\n CRYPTO_THREAD_write_lock(s->lock);\n i = lh_SSL_SESSION_get_down_load(s->sessions);\n lh_SSL_SESSION_set_down_load(s->sessions, 0);\n lh_SSL_SESSION_doall_TIMEOUT_PARAM(tp.cache, timeout_cb, &tp);\n lh_SSL_SESSION_set_down_load(s->sessions, i);\n CRYPTO_THREAD_unlock(s->lock);\n}', 'IMPLEMENT_LHASH_DOALL_ARG(SSL_SESSION, TIMEOUT_PARAM)', 'void OPENSSL_LH_doall_arg(OPENSSL_LHASH *lh, OPENSSL_LH_DOALL_FUNCARG func, void *arg)\n{\n doall_util_fn(lh, 1, (OPENSSL_LH_DOALL_FUNC)0, func, arg);\n}', 'static void doall_util_fn(OPENSSL_LHASH *lh, int use_arg,\n OPENSSL_LH_DOALL_FUNC func,\n OPENSSL_LH_DOALL_FUNCARG func_arg, void *arg)\n{\n int i;\n OPENSSL_LH_NODE *a, *n;\n if (lh == NULL)\n return;\n for (i = lh->num_nodes - 1; i >= 0; i--) {\n a = lh->b[i];\n while (a != NULL) {\n n = a->next;\n if (use_arg)\n func_arg(a->data, arg);\n else\n func(a->data);\n a = n;\n }\n }\n}'] |
21,092 | 0 | https://github.com/openssl/openssl/blob/8b0d4242404f9e5da26e7594fa0864b2df4601af/crypto/bn/bn_lib.c/#L333 | BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)
{
bn_check_top(b);
if (a == b)
return a;
if (bn_wexpand(a, b->top) == NULL)
return NULL;
if (b->top > 0)
memcpy(a->d, b->d, sizeof(b->d[0]) * b->top);
a->top = b->top;
a->neg = b->neg;
bn_check_top(a);
return a;
} | ['int BN_mod_mul_reciprocal(BIGNUM *r, const BIGNUM *x, const BIGNUM *y,\n BN_RECP_CTX *recp, BN_CTX *ctx)\n{\n int ret = 0;\n BIGNUM *a;\n const BIGNUM *ca;\n BN_CTX_start(ctx);\n if ((a = BN_CTX_get(ctx)) == NULL)\n goto err;\n if (y != NULL) {\n if (x == y) {\n if (!BN_sqr(a, x, ctx))\n goto err;\n } else {\n if (!BN_mul(a, x, y, ctx))\n goto err;\n }\n ca = a;\n } else\n ca = x;\n ret = BN_div_recp(NULL, r, ca, recp, ctx);\n err:\n BN_CTX_end(ctx);\n bn_check_top(r);\n return (ret);\n}', 'int BN_div_recp(BIGNUM *dv, BIGNUM *rem, const BIGNUM *m,\n BN_RECP_CTX *recp, BN_CTX *ctx)\n{\n int i, j, ret = 0;\n BIGNUM *a, *b, *d, *r;\n BN_CTX_start(ctx);\n a = BN_CTX_get(ctx);\n b = BN_CTX_get(ctx);\n if (dv != NULL)\n d = dv;\n else\n d = BN_CTX_get(ctx);\n if (rem != NULL)\n r = rem;\n else\n r = BN_CTX_get(ctx);\n if (a == NULL || b == NULL || d == NULL || r == NULL)\n goto err;\n if (BN_ucmp(m, &(recp->N)) < 0) {\n BN_zero(d);\n if (!BN_copy(r, m)) {\n BN_CTX_end(ctx);\n return 0;\n }\n BN_CTX_end(ctx);\n return (1);\n }\n i = BN_num_bits(m);\n j = recp->num_bits << 1;\n if (j > i)\n i = j;\n if (i != recp->shift)\n recp->shift = BN_reciprocal(&(recp->Nr), &(recp->N), i, ctx);\n if (recp->shift == -1)\n goto err;\n if (!BN_rshift(a, m, recp->num_bits))\n goto err;\n if (!BN_mul(b, a, &(recp->Nr), ctx))\n goto err;\n if (!BN_rshift(d, b, i - recp->num_bits))\n goto err;\n d->neg = 0;\n if (!BN_mul(b, &(recp->N), d, ctx))\n goto err;\n if (!BN_usub(r, m, b))\n goto err;\n r->neg = 0;\n j = 0;\n while (BN_ucmp(r, &(recp->N)) >= 0) {\n if (j++ > 2) {\n BNerr(BN_F_BN_DIV_RECP, BN_R_BAD_RECIPROCAL);\n goto err;\n }\n if (!BN_usub(r, r, &(recp->N)))\n goto err;\n if (!BN_add_word(d, 1))\n goto err;\n }\n r->neg = BN_is_zero(r) ? 0 : m->neg;\n d->neg = m->neg ^ recp->N.neg;\n ret = 1;\n err:\n BN_CTX_end(ctx);\n bn_check_top(dv);\n bn_check_top(rem);\n return (ret);\n}', 'BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)\n{\n bn_check_top(b);\n if (a == b)\n return a;\n if (bn_wexpand(a, b->top) == NULL)\n return NULL;\n if (b->top > 0)\n memcpy(a->d, b->d, sizeof(b->d[0]) * b->top);\n a->top = b->top;\n a->neg = b->neg;\n bn_check_top(a);\n return a;\n}', 'BIGNUM *bn_wexpand(BIGNUM *a, int words)\n{\n return (words <= a->dmax) ? a : bn_expand2(a, words);\n}'] |
21,093 | 0 | https://github.com/libav/libav/blob/d5cc1ed723cfbbf71ea005ce1a2e2f5b55a9f631/ffmpeg.c/#L2882 | static int opt_metadata(const char *opt, const char *arg)
{
char *mid= strchr(arg, '=');
if(!mid){
fprintf(stderr, "Missing =\n");
av_exit(1);
}
*mid++= 0;
metadata_count++;
metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);
metadata[metadata_count-1].key = av_strdup(arg);
metadata[metadata_count-1].value= av_strdup(mid);
return 0;
} | ['static int opt_metadata(const char *opt, const char *arg)\n{\n char *mid= strchr(arg, \'=\');\n if(!mid){\n fprintf(stderr, "Missing =\\n");\n av_exit(1);\n }\n *mid++= 0;\n metadata_count++;\n metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);\n metadata[metadata_count-1].key = av_strdup(arg);\n metadata[metadata_count-1].value= av_strdup(mid);\n return 0;\n}'] |
21,094 | 0 | https://github.com/openssl/openssl/blob/84c15db551ce1d167b901a3bde2b21880b084384/crypto/bn/bn_lib.c/#L447 | BIGNUM *bn_expand2(BIGNUM *b, int words)
{
BN_ULONG *A,*a;
const BN_ULONG *B;
int i;
bn_check_top(b);
if (words > b->max)
{
bn_check_top(b);
if (BN_get_flags(b,BN_FLG_STATIC_DATA))
{
BNerr(BN_F_BN_EXPAND2,BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);
return(NULL);
}
a=A=(BN_ULONG *)Malloc(sizeof(BN_ULONG)*(words+1));
if (A == NULL)
{
BNerr(BN_F_BN_EXPAND2,ERR_R_MALLOC_FAILURE);
return(NULL);
}
#if 1
B=b->d;
if (B != NULL)
{
#if 0
for (i=b->top&(~7); i>0; i-=8)
{
A[0]=B[0]; A[1]=B[1]; A[2]=B[2]; A[3]=B[3];
A[4]=B[4]; A[5]=B[5]; A[6]=B[6]; A[7]=B[7];
A+=8;
B+=8;
}
switch (b->top&7)
{
case 7:
A[6]=B[6];
case 6:
A[5]=B[5];
case 5:
A[4]=B[4];
case 4:
A[3]=B[3];
case 3:
A[2]=B[2];
case 2:
A[1]=B[1];
case 1:
A[0]=B[0];
case 0:
;
}
#else
for (i=b->top>>2; i>0; i--,A+=4,B+=4)
{
BN_ULONG a0,a1,a2,a3;
a0=B[0]; a1=B[1]; a2=B[2]; a3=B[3];
A[0]=a0; A[1]=a1; A[2]=a2; A[3]=a3;
}
switch (b->top&3)
{
case 3: A[2]=B[2];
case 2: A[1]=B[1];
case 1: A[0]=B[0];
case 0: ;
}
#endif
Free(b->d);
}
b->d=a;
b->max=words;
A= &(b->d[b->top]);
for (i=(b->max - b->top)>>3; i>0; i--,A+=8)
{
A[0]=0; A[1]=0; A[2]=0; A[3]=0;
A[4]=0; A[5]=0; A[6]=0; A[7]=0;
}
for (i=(b->max - b->top)&7; i>0; i--,A++)
A[0]=0;
#else
memset(A,0,sizeof(BN_ULONG)*(words+1));
memcpy(A,b->d,sizeof(b->d[0])*b->top);
b->d=a;
b->max=words;
#endif
}
return(b);
} | ['int BN_MONT_CTX_set(BN_MONT_CTX *mont, const BIGNUM *mod, BN_CTX *ctx)\n\t{\n\tBIGNUM Ri,*R;\n\tBN_init(&Ri);\n\tR= &(mont->RR);\n\tBN_copy(&(mont->N),mod);\n#ifdef BN_RECURSION_MONT\n\tif (mont->N.top < BN_MONT_CTX_SET_SIZE_WORD)\n#endif\n\t\t{\n\t\tBIGNUM tmod;\n\t\tBN_ULONG buf[2];\n\t\tmont->use_word=1;\n\t\tmont->ri=(BN_num_bits(mod)+(BN_BITS2-1))/BN_BITS2*BN_BITS2;\n\t\tBN_zero(R);\n\t\tBN_set_bit(R,BN_BITS2);\n\t\tbuf[0]=mod->d[0];\n\t\tbuf[1]=0;\n\t\ttmod.d=buf;\n\t\ttmod.top=1;\n\t\ttmod.max=mod->max;\n\t\ttmod.neg=mod->neg;\n\t\tif ((BN_mod_inverse(&Ri,R,&tmod,ctx)) == NULL)\n\t\t\tgoto err;\n\t\tBN_lshift(&Ri,&Ri,BN_BITS2);\n\t\tif (!BN_is_zero(&Ri))\n\t\t\t{\n#if 1\n\t\t\tBN_sub_word(&Ri,1);\n#else\n\t\t\tBN_usub(&Ri,&Ri,BN_value_one());\n#endif\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tBN_set_word(&Ri,BN_MASK2);\n\t\t\t}\n\t\tBN_div(&Ri,NULL,&Ri,&tmod,ctx);\n\t\tmont->n0=Ri.d[0];\n\t\tBN_free(&Ri);\n\t\t}\n#ifdef BN_RECURSION_MONT\n\telse\n\t\t{\n\t\tmont->use_word=0;\n\t\tmont->ri=(BN_num_bits(mod)+(BN_BITS2-1))/BN_BITS2*BN_BITS2;\n#if 1\n\t\tBN_zero(R);\n\t\tBN_set_bit(R,mont->ri);\n#else\n\t\tBN_lshift(R,BN_value_one(),mont->ri);\n#endif\n\t\tif ((BN_mod_inverse(&Ri,R,mod,ctx)) == NULL)\n\t\t\tgoto err;\n\t\tBN_lshift(&Ri,&Ri,mont->ri);\n#if 1\n\t\tBN_sub_word(&Ri,1);\n#else\n\t\tBN_usub(&Ri,&Ri,BN_value_one());\n#endif\n\t\tBN_div(&(mont->Ni),NULL,&Ri,mod,ctx);\n\t\tBN_free(&Ri);\n\t\t}\n#endif\n#if 1\n\tBN_zero(&(mont->RR));\n\tBN_set_bit(&(mont->RR),mont->ri*2);\n#else\n\tBN_lshift(mont->RR,BN_value_one(),mont->ri*2);\n#endif\n\tBN_mod(&(mont->RR),&(mont->RR),&(mont->N),ctx);\n\treturn(1);\nerr:\n\treturn(0);\n\t}', 'BIGNUM *BN_mod_inverse(BIGNUM *in, BIGNUM *a, const BIGNUM *n, BN_CTX *ctx)\n\t{\n\tBIGNUM *A,*B,*X,*Y,*M,*D,*R;\n\tBIGNUM *T,*ret=NULL;\n\tint sign;\n\tbn_check_top(a);\n\tbn_check_top(n);\n\tA= &(ctx->bn[ctx->tos]);\n\tB= &(ctx->bn[ctx->tos+1]);\n\tX= &(ctx->bn[ctx->tos+2]);\n\tD= &(ctx->bn[ctx->tos+3]);\n\tM= &(ctx->bn[ctx->tos+4]);\n\tY= &(ctx->bn[ctx->tos+5]);\n\tctx->tos+=6;\n\tif (in == NULL)\n\t\tR=BN_new();\n\telse\n\t\tR=in;\n\tif (R == NULL) goto err;\n\tBN_zero(X);\n\tBN_one(Y);\n\tif (BN_copy(A,a) == NULL) goto err;\n\tif (BN_copy(B,n) == NULL) goto err;\n\tsign=1;\n\twhile (!BN_is_zero(B))\n\t\t{\n\t\tif (!BN_div(D,M,A,B,ctx)) goto err;\n\t\tT=A;\n\t\tA=B;\n\t\tB=M;\n\t\tif (!BN_mul(T,D,X,ctx)) goto err;\n\t\tif (!BN_add(T,T,Y)) goto err;\n\t\tM=Y;\n\t\tY=X;\n\t\tX=T;\n\t\tsign= -sign;\n\t\t}\n\tif (sign < 0)\n\t\t{\n\t\tif (!BN_sub(Y,n,Y)) goto err;\n\t\t}\n\tif (BN_is_one(A))\n\t\t{ if (!BN_mod(R,Y,n,ctx)) goto err; }\n\telse\n\t\t{\n\t\tBNerr(BN_F_BN_MOD_INVERSE,BN_R_NO_INVERSE);\n\t\tgoto err;\n\t\t}\n\tret=R;\nerr:\n\tif ((ret == NULL) && (in == NULL)) BN_free(R);\n\tctx->tos-=6;\n\treturn(ret);\n\t}', 'int BN_lshift(BIGNUM *r, const BIGNUM *a, int n)\n\t{\n\tint i,nw,lb,rb;\n\tBN_ULONG *t,*f;\n\tBN_ULONG l;\n\tr->neg=a->neg;\n\tif (bn_wexpand(r,a->top+(n/BN_BITS2)+1) == NULL) return(0);\n\tnw=n/BN_BITS2;\n\tlb=n%BN_BITS2;\n\trb=BN_BITS2-lb;\n\tf=a->d;\n\tt=r->d;\n\tt[a->top+nw]=0;\n\tif (lb == 0)\n\t\tfor (i=a->top-1; i>=0; i--)\n\t\t\tt[nw+i]=f[i];\n\telse\n\t\tfor (i=a->top-1; i>=0; i--)\n\t\t\t{\n\t\t\tl=f[i];\n\t\t\tt[nw+i+1]|=(l>>rb)&BN_MASK2;\n\t\t\tt[nw+i]=(l<<lb)&BN_MASK2;\n\t\t\t}\n\tmemset(t,0,nw*sizeof(t[0]));\n\tr->top=a->top+nw+1;\n\tbn_fix_top(r);\n\treturn(1);\n\t}', 'int BN_set_word(BIGNUM *a, BN_ULONG w)\n\t{\n\tint i,n;\n\tif (bn_expand(a,sizeof(BN_ULONG)*8) == NULL) return(0);\n\tn=sizeof(BN_ULONG)/BN_BYTES;\n\ta->neg=0;\n\ta->top=0;\n\ta->d[0]=(BN_ULONG)w&BN_MASK2;\n\tif (a->d[0] != 0) a->top=1;\n\tfor (i=1; i<n; i++)\n\t\t{\n#ifndef SIXTY_FOUR_BIT\n\t\tw>>=BN_BITS4;\n\t\tw>>=BN_BITS4;\n#else\n\t\tw=0;\n#endif\n\t\ta->d[i]=(BN_ULONG)w&BN_MASK2;\n\t\tif (a->d[i] != 0) a->top=i+1;\n\t\t}\n\treturn(1);\n\t}', 'BIGNUM *bn_expand2(BIGNUM *b, int words)\n\t{\n\tBN_ULONG *A,*a;\n\tconst BN_ULONG *B;\n\tint i;\n\tbn_check_top(b);\n\tif (words > b->max)\n\t\t{\n\t\tbn_check_top(b);\n\t\tif (BN_get_flags(b,BN_FLG_STATIC_DATA))\n\t\t\t{\n\t\t\tBNerr(BN_F_BN_EXPAND2,BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);\n\t\t\treturn(NULL);\n\t\t\t}\n\t\ta=A=(BN_ULONG *)Malloc(sizeof(BN_ULONG)*(words+1));\n\t\tif (A == NULL)\n\t\t\t{\n\t\t\tBNerr(BN_F_BN_EXPAND2,ERR_R_MALLOC_FAILURE);\n\t\t\treturn(NULL);\n\t\t\t}\n#if 1\n\t\tB=b->d;\n\t\tif (B != NULL)\n\t\t\t{\n#if 0\n\t\t\tfor (i=b->top&(~7); i>0; i-=8)\n\t\t\t\t{\n\t\t\t\tA[0]=B[0]; A[1]=B[1]; A[2]=B[2]; A[3]=B[3];\n\t\t\t\tA[4]=B[4]; A[5]=B[5]; A[6]=B[6]; A[7]=B[7];\n\t\t\t\tA+=8;\n\t\t\t\tB+=8;\n\t\t\t\t}\n\t\t\tswitch (b->top&7)\n\t\t\t\t{\n\t\t\tcase 7:\n\t\t\t\tA[6]=B[6];\n\t\t\tcase 6:\n\t\t\t\tA[5]=B[5];\n\t\t\tcase 5:\n\t\t\t\tA[4]=B[4];\n\t\t\tcase 4:\n\t\t\t\tA[3]=B[3];\n\t\t\tcase 3:\n\t\t\t\tA[2]=B[2];\n\t\t\tcase 2:\n\t\t\t\tA[1]=B[1];\n\t\t\tcase 1:\n\t\t\t\tA[0]=B[0];\n\t\t\tcase 0:\n\t\t\t\t;\n\t\t\t\t}\n#else\n\t\t\tfor (i=b->top>>2; i>0; i--,A+=4,B+=4)\n\t\t\t\t{\n\t\t\t\tBN_ULONG a0,a1,a2,a3;\n\t\t\t\ta0=B[0]; a1=B[1]; a2=B[2]; a3=B[3];\n\t\t\t\tA[0]=a0; A[1]=a1; A[2]=a2; A[3]=a3;\n\t\t\t\t}\n\t\t\tswitch (b->top&3)\n\t\t\t\t{\n\t\t\t\tcase 3:\tA[2]=B[2];\n\t\t\t\tcase 2:\tA[1]=B[1];\n\t\t\t\tcase 1:\tA[0]=B[0];\n\t\t\t\tcase 0:\t;\n\t\t\t\t}\n#endif\n\t\t\tFree(b->d);\n\t\t\t}\n\t\tb->d=a;\n\t\tb->max=words;\n\t\tA= &(b->d[b->top]);\n\t\tfor (i=(b->max - b->top)>>3; i>0; i--,A+=8)\n\t\t\t{\n\t\t\tA[0]=0; A[1]=0; A[2]=0; A[3]=0;\n\t\t\tA[4]=0; A[5]=0; A[6]=0; A[7]=0;\n\t\t\t}\n\t\tfor (i=(b->max - b->top)&7; i>0; i--,A++)\n\t\t\tA[0]=0;\n#else\n\t\t\tmemset(A,0,sizeof(BN_ULONG)*(words+1));\n\t\t\tmemcpy(A,b->d,sizeof(b->d[0])*b->top);\n\t\t\tb->d=a;\n\t\t\tb->max=words;\n#endif\n\t\t}\n\treturn(b);\n\t}'] |
21,095 | 0 | https://github.com/openssl/openssl/blob/0f3ffbd1581fad58095fedcc32b0da42a486b8b7/crypto/bn/bn_print.c/#L104 | char *BN_bn2dec(const BIGNUM *a)
{
int i = 0, num, ok = 0, n, tbytes;
char *buf = NULL;
char *p;
BIGNUM *t = NULL;
BN_ULONG *bn_data = NULL, *lp;
int bn_data_num;
i = BN_num_bits(a) * 3;
num = (i / 10 + i / 1000 + 1) + 1;
tbytes = num + 3;
bn_data_num = num / BN_DEC_NUM + 1;
bn_data = OPENSSL_malloc(bn_data_num * sizeof(BN_ULONG));
buf = OPENSSL_malloc(tbytes);
if (buf == NULL || bn_data == NULL) {
BNerr(BN_F_BN_BN2DEC, ERR_R_MALLOC_FAILURE);
goto err;
}
if ((t = BN_dup(a)) == NULL)
goto err;
p = buf;
lp = bn_data;
if (BN_is_zero(t)) {
*p++ = '0';
*p++ = '\0';
} else {
if (BN_is_negative(t))
*p++ = '-';
while (!BN_is_zero(t)) {
if (lp - bn_data >= bn_data_num)
goto err;
*lp = BN_div_word(t, BN_DEC_CONV);
if (*lp == (BN_ULONG)-1)
goto err;
lp++;
}
lp--;
n = BIO_snprintf(p, tbytes - (size_t)(p - buf), BN_DEC_FMT1, *lp);
if (n < 0)
goto err;
p += n;
while (lp != bn_data) {
lp--;
n = BIO_snprintf(p, tbytes - (size_t)(p - buf), BN_DEC_FMT2, *lp);
if (n < 0)
goto err;
p += n;
}
}
ok = 1;
err:
OPENSSL_free(bn_data);
BN_free(t);
if (ok)
return buf;
OPENSSL_free(buf);
return NULL;
} | ["char *BN_bn2dec(const BIGNUM *a)\n{\n int i = 0, num, ok = 0, n, tbytes;\n char *buf = NULL;\n char *p;\n BIGNUM *t = NULL;\n BN_ULONG *bn_data = NULL, *lp;\n int bn_data_num;\n i = BN_num_bits(a) * 3;\n num = (i / 10 + i / 1000 + 1) + 1;\n tbytes = num + 3;\n bn_data_num = num / BN_DEC_NUM + 1;\n bn_data = OPENSSL_malloc(bn_data_num * sizeof(BN_ULONG));\n buf = OPENSSL_malloc(tbytes);\n if (buf == NULL || bn_data == NULL) {\n BNerr(BN_F_BN_BN2DEC, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n if ((t = BN_dup(a)) == NULL)\n goto err;\n p = buf;\n lp = bn_data;\n if (BN_is_zero(t)) {\n *p++ = '0';\n *p++ = '\\0';\n } else {\n if (BN_is_negative(t))\n *p++ = '-';\n while (!BN_is_zero(t)) {\n if (lp - bn_data >= bn_data_num)\n goto err;\n *lp = BN_div_word(t, BN_DEC_CONV);\n if (*lp == (BN_ULONG)-1)\n goto err;\n lp++;\n }\n lp--;\n n = BIO_snprintf(p, tbytes - (size_t)(p - buf), BN_DEC_FMT1, *lp);\n if (n < 0)\n goto err;\n p += n;\n while (lp != bn_data) {\n lp--;\n n = BIO_snprintf(p, tbytes - (size_t)(p - buf), BN_DEC_FMT2, *lp);\n if (n < 0)\n goto err;\n p += n;\n }\n }\n ok = 1;\n err:\n OPENSSL_free(bn_data);\n BN_free(t);\n if (ok)\n return buf;\n OPENSSL_free(buf);\n return NULL;\n}", 'int BN_num_bits(const BIGNUM *a)\n{\n int i = a->top - 1;\n bn_check_top(a);\n if (BN_is_zero(a))\n return 0;\n return ((i * BN_BITS2) + BN_num_bits_word(a->d[i]));\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)\n return malloc_impl(num, file, line);\n if (num == 0)\n return NULL;\n FAILTEST();\n allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n (void)(file); (void)(line);\n ret = malloc(num);\n#endif\n return ret;\n}'] |
21,096 | 0 | https://github.com/libav/libav/blob/78f318be59a8e6174f21c2d7c3403ef325c73011/libavcodec/aacdec.c/#L480 | static int decode_audio_specific_config(AACContext *ac,
AVCodecContext *avctx,
MPEG4AudioConfig *m4ac,
const uint8_t *data, int data_size)
{
GetBitContext gb;
int i;
init_get_bits(&gb, data, data_size * 8);
if ((i = ff_mpeg4audio_get_config(m4ac, data, data_size)) < 0)
return -1;
if (m4ac->sampling_index > 12) {
av_log(avctx, AV_LOG_ERROR, "invalid sampling rate index %d\n", m4ac->sampling_index);
return -1;
}
if (m4ac->sbr == 1 && m4ac->ps == -1)
m4ac->ps = 1;
skip_bits_long(&gb, i);
switch (m4ac->object_type) {
case AOT_AAC_MAIN:
case AOT_AAC_LC:
if (decode_ga_specific_config(ac, avctx, &gb, m4ac, m4ac->chan_config))
return -1;
break;
default:
av_log(avctx, AV_LOG_ERROR, "Audio object type %s%d is not supported.\n",
m4ac->sbr == 1? "SBR+" : "", m4ac->object_type);
return -1;
}
return get_bits_count(&gb);
} | ['static int decode_audio_specific_config(AACContext *ac,\n AVCodecContext *avctx,\n MPEG4AudioConfig *m4ac,\n const uint8_t *data, int data_size)\n{\n GetBitContext gb;\n int i;\n init_get_bits(&gb, data, data_size * 8);\n if ((i = ff_mpeg4audio_get_config(m4ac, data, data_size)) < 0)\n return -1;\n if (m4ac->sampling_index > 12) {\n av_log(avctx, AV_LOG_ERROR, "invalid sampling rate index %d\\n", m4ac->sampling_index);\n return -1;\n }\n if (m4ac->sbr == 1 && m4ac->ps == -1)\n m4ac->ps = 1;\n skip_bits_long(&gb, i);\n switch (m4ac->object_type) {\n case AOT_AAC_MAIN:\n case AOT_AAC_LC:\n if (decode_ga_specific_config(ac, avctx, &gb, m4ac, m4ac->chan_config))\n return -1;\n break;\n default:\n av_log(avctx, AV_LOG_ERROR, "Audio object type %s%d is not supported.\\n",\n m4ac->sbr == 1? "SBR+" : "", m4ac->object_type);\n return -1;\n }\n return get_bits_count(&gb);\n}', 'static inline void init_get_bits(GetBitContext *s,\n const uint8_t *buffer, int bit_size)\n{\n int buffer_size = (bit_size+7)>>3;\n if (buffer_size < 0 || bit_size < 0) {\n buffer_size = bit_size = 0;\n buffer = NULL;\n }\n s->buffer = buffer;\n s->size_in_bits = bit_size;\n s->buffer_end = buffer + buffer_size;\n#ifdef ALT_BITSTREAM_READER\n s->index = 0;\n#elif defined A32_BITSTREAM_READER\n s->buffer_ptr = (uint32_t*)((intptr_t)buffer & ~3);\n s->bit_count = 32 + 8*((intptr_t)buffer & 3);\n skip_bits_long(s, 0);\n#endif\n}', 'static inline void skip_bits_long(GetBitContext *s, int n){\n s->index += n;\n}'] |
21,097 | 0 | https://github.com/libav/libav/blob/af10feadc23de2c9c876d4cd86abf3d75813cef1/libavfilter/formats.c/#L256 | void ff_channel_layouts_ref(AVFilterChannelLayouts *f, AVFilterChannelLayouts **ref)
{
FORMATS_REF(f, ref);
} | ['void ff_channel_layouts_ref(AVFilterChannelLayouts *f, AVFilterChannelLayouts **ref)\n{\n FORMATS_REF(f, ref);\n}', 'void *av_realloc(void *ptr, size_t size)\n{\n#if CONFIG_MEMALIGN_HACK\n int diff;\n#endif\n if(size > (INT_MAX-16) )\n return NULL;\n#if CONFIG_MEMALIGN_HACK\n if(!ptr) return av_malloc(size);\n diff= ((char*)ptr)[-1];\n return (char*)realloc((char*)ptr - diff, size + diff) + diff;\n#else\n return realloc(ptr, size);\n#endif\n}'] |
21,098 | 0 | https://github.com/openssl/openssl/blob/2864df8f9d3264e19b49a246e272fb513f4c1be3/apps/pkeyutl.c/#L689 | static int do_raw_keyop(int pkey_op, EVP_PKEY_CTX *ctx,
const EVP_MD *md, EVP_PKEY *pkey, BIO *in,
int filesize, unsigned char *sig, int siglen,
unsigned char **out, size_t *poutlen)
{
int rv = 0;
EVP_MD_CTX *mctx = NULL;
unsigned char tbuf[TBUF_MAXSIZE];
unsigned char *mbuf = NULL;
int buf_len = 0;
if ((mctx = EVP_MD_CTX_new()) == NULL) {
BIO_printf(bio_err, "Error: out of memory\n");
return rv;
}
EVP_MD_CTX_set_pkey_ctx(mctx, ctx);
if (EVP_PKEY_id(pkey) == EVP_PKEY_ED25519
|| EVP_PKEY_id(pkey) == EVP_PKEY_ED448) {
if (filesize < 0) {
BIO_printf(bio_err,
"Error: unable to determine file size for oneshot operation\n");
return rv;
}
mbuf = app_malloc(filesize, "oneshot sign/verify buffer");
switch(pkey_op) {
case EVP_PKEY_OP_VERIFY:
if (EVP_DigestVerifyInit(mctx, NULL, md, NULL, pkey) != 1)
goto end;
buf_len = BIO_read(in, mbuf, filesize);
if (buf_len != filesize) {
BIO_printf(bio_err, "Error reading raw input data\n");
goto end;
}
rv = EVP_DigestVerify(mctx, sig, (size_t)siglen, mbuf, buf_len);
break;
case EVP_PKEY_OP_SIGN:
if (EVP_DigestSignInit(mctx, NULL, md, NULL, pkey) != 1)
goto end;
buf_len = BIO_read(in, mbuf, filesize);
if (buf_len != filesize) {
BIO_printf(bio_err, "Error reading raw input data\n");
goto end;
}
rv = EVP_DigestSign(mctx, NULL, poutlen, mbuf, buf_len);
if (rv == 1 && out != NULL) {
*out = app_malloc(*poutlen, "buffer output");
rv = EVP_DigestSign(mctx, *out, poutlen, mbuf, buf_len);
}
break;
}
OPENSSL_free(mbuf);
goto end;
}
switch(pkey_op) {
case EVP_PKEY_OP_VERIFY:
if (EVP_DigestVerifyInit(mctx, NULL, md, NULL, pkey) != 1)
goto end;
for (;;) {
buf_len = BIO_read(in, tbuf, TBUF_MAXSIZE);
if (buf_len == 0)
break;
if (buf_len < 0) {
BIO_printf(bio_err, "Error reading raw input data\n");
goto end;
}
rv = EVP_DigestVerifyUpdate(mctx, tbuf, (size_t)buf_len);
if (rv != 1) {
BIO_printf(bio_err, "Error verifying raw input data\n");
goto end;
}
}
rv = EVP_DigestVerifyFinal(mctx, sig, (size_t)siglen);
break;
case EVP_PKEY_OP_SIGN:
if (EVP_DigestSignInit(mctx, NULL, md, NULL, pkey) != 1)
goto end;
for (;;) {
buf_len = BIO_read(in, tbuf, TBUF_MAXSIZE);
if (buf_len == 0)
break;
if (buf_len < 0) {
BIO_printf(bio_err, "Error reading raw input data\n");
goto end;
}
rv = EVP_DigestSignUpdate(mctx, tbuf, (size_t)buf_len);
if (rv != 1) {
BIO_printf(bio_err, "Error signing raw input data\n");
goto end;
}
}
rv = EVP_DigestSignFinal(mctx, NULL, poutlen);
if (rv == 1 && out != NULL) {
*out = app_malloc(*poutlen, "buffer output");
rv = EVP_DigestSignFinal(mctx, *out, poutlen);
}
break;
}
end:
EVP_MD_CTX_free(mctx);
return rv;
} | ['static int do_raw_keyop(int pkey_op, EVP_PKEY_CTX *ctx,\n const EVP_MD *md, EVP_PKEY *pkey, BIO *in,\n int filesize, unsigned char *sig, int siglen,\n unsigned char **out, size_t *poutlen)\n{\n int rv = 0;\n EVP_MD_CTX *mctx = NULL;\n unsigned char tbuf[TBUF_MAXSIZE];\n unsigned char *mbuf = NULL;\n int buf_len = 0;\n if ((mctx = EVP_MD_CTX_new()) == NULL) {\n BIO_printf(bio_err, "Error: out of memory\\n");\n return rv;\n }\n EVP_MD_CTX_set_pkey_ctx(mctx, ctx);\n if (EVP_PKEY_id(pkey) == EVP_PKEY_ED25519\n || EVP_PKEY_id(pkey) == EVP_PKEY_ED448) {\n if (filesize < 0) {\n BIO_printf(bio_err,\n "Error: unable to determine file size for oneshot operation\\n");\n return rv;\n }\n mbuf = app_malloc(filesize, "oneshot sign/verify buffer");\n switch(pkey_op) {\n case EVP_PKEY_OP_VERIFY:\n if (EVP_DigestVerifyInit(mctx, NULL, md, NULL, pkey) != 1)\n goto end;\n buf_len = BIO_read(in, mbuf, filesize);\n if (buf_len != filesize) {\n BIO_printf(bio_err, "Error reading raw input data\\n");\n goto end;\n }\n rv = EVP_DigestVerify(mctx, sig, (size_t)siglen, mbuf, buf_len);\n break;\n case EVP_PKEY_OP_SIGN:\n if (EVP_DigestSignInit(mctx, NULL, md, NULL, pkey) != 1)\n goto end;\n buf_len = BIO_read(in, mbuf, filesize);\n if (buf_len != filesize) {\n BIO_printf(bio_err, "Error reading raw input data\\n");\n goto end;\n }\n rv = EVP_DigestSign(mctx, NULL, poutlen, mbuf, buf_len);\n if (rv == 1 && out != NULL) {\n *out = app_malloc(*poutlen, "buffer output");\n rv = EVP_DigestSign(mctx, *out, poutlen, mbuf, buf_len);\n }\n break;\n }\n OPENSSL_free(mbuf);\n goto end;\n }\n switch(pkey_op) {\n case EVP_PKEY_OP_VERIFY:\n if (EVP_DigestVerifyInit(mctx, NULL, md, NULL, pkey) != 1)\n goto end;\n for (;;) {\n buf_len = BIO_read(in, tbuf, TBUF_MAXSIZE);\n if (buf_len == 0)\n break;\n if (buf_len < 0) {\n BIO_printf(bio_err, "Error reading raw input data\\n");\n goto end;\n }\n rv = EVP_DigestVerifyUpdate(mctx, tbuf, (size_t)buf_len);\n if (rv != 1) {\n BIO_printf(bio_err, "Error verifying raw input data\\n");\n goto end;\n }\n }\n rv = EVP_DigestVerifyFinal(mctx, sig, (size_t)siglen);\n break;\n case EVP_PKEY_OP_SIGN:\n if (EVP_DigestSignInit(mctx, NULL, md, NULL, pkey) != 1)\n goto end;\n for (;;) {\n buf_len = BIO_read(in, tbuf, TBUF_MAXSIZE);\n if (buf_len == 0)\n break;\n if (buf_len < 0) {\n BIO_printf(bio_err, "Error reading raw input data\\n");\n goto end;\n }\n rv = EVP_DigestSignUpdate(mctx, tbuf, (size_t)buf_len);\n if (rv != 1) {\n BIO_printf(bio_err, "Error signing raw input data\\n");\n goto end;\n }\n }\n rv = EVP_DigestSignFinal(mctx, NULL, poutlen);\n if (rv == 1 && out != NULL) {\n *out = app_malloc(*poutlen, "buffer output");\n rv = EVP_DigestSignFinal(mctx, *out, poutlen);\n }\n break;\n }\n end:\n EVP_MD_CTX_free(mctx);\n return rv;\n}', 'EVP_MD_CTX *EVP_MD_CTX_new(void)\n{\n return OPENSSL_zalloc(sizeof(EVP_MD_CTX));\n}', 'void *CRYPTO_zalloc(size_t num, const char *file, int line)\n{\n void *ret = CRYPTO_malloc(num, file, line);\n FAILTEST();\n if (ret != NULL)\n memset(ret, 0, num);\n return ret;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n INCREMENT(malloc_count);\n if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)\n return malloc_impl(num, file, line);\n if (num == 0)\n return NULL;\n FAILTEST();\n if (allow_customize) {\n allow_customize = 0;\n }\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n (void)(file); (void)(line);\n ret = malloc(num);\n#endif\n return ret;\n}', 'void EVP_MD_CTX_set_pkey_ctx(EVP_MD_CTX *ctx, EVP_PKEY_CTX *pctx)\n{\n if (!EVP_MD_CTX_test_flags(ctx, EVP_MD_CTX_FLAG_KEEP_PKEY_CTX))\n EVP_PKEY_CTX_free(ctx->pctx);\n ctx->pctx = pctx;\n if (pctx != NULL) {\n EVP_MD_CTX_set_flags(ctx, EVP_MD_CTX_FLAG_KEEP_PKEY_CTX);\n } else {\n EVP_MD_CTX_clear_flags(ctx, EVP_MD_CTX_FLAG_KEEP_PKEY_CTX);\n }\n}', 'int EVP_MD_CTX_test_flags(const EVP_MD_CTX *ctx, int flags)\n{\n return (ctx->flags & flags);\n}', 'void EVP_MD_CTX_set_flags(EVP_MD_CTX *ctx, int flags)\n{\n ctx->flags |= flags;\n}', 'int EVP_PKEY_id(const EVP_PKEY *pkey)\n{\n return pkey->type;\n}'] |
21,099 | 0 | https://github.com/libav/libav/blob/d6dc5d15af0d8617611281a34a2c3f9ced149ccf/libavcodec/h264_refs.c/#L148 | static void h264_initialise_ref_list(H264Context *h, H264SliceContext *sl)
{
int i, len;
if (sl->slice_type_nos == AV_PICTURE_TYPE_B) {
H264Picture *sorted[32];
int cur_poc, list;
int lens[2];
if (FIELD_PICTURE(h))
cur_poc = h->cur_pic_ptr->field_poc[h->picture_structure == PICT_BOTTOM_FIELD];
else
cur_poc = h->cur_pic_ptr->poc;
for (list = 0; list < 2; list++) {
len = add_sorted(sorted, h->short_ref, h->short_ref_count, cur_poc, 1 ^ list);
len += add_sorted(sorted + len, h->short_ref, h->short_ref_count, cur_poc, 0 ^ list);
assert(len <= 32);
len = build_def_list(sl->ref_list[list], FF_ARRAY_ELEMS(sl->ref_list[0]),
sorted, len, 0, h->picture_structure);
len += build_def_list(sl->ref_list[list] + len,
FF_ARRAY_ELEMS(sl->ref_list[0]) - len,
h->long_ref, 16, 1, h->picture_structure);
if (len < sl->ref_count[list])
memset(&sl->ref_list[list][len], 0, sizeof(H264Ref) * (sl->ref_count[list] - len));
lens[list] = len;
}
if (lens[0] == lens[1] && lens[1] > 1) {
for (i = 0; i < lens[0] &&
sl->ref_list[0][i].parent->f->buf[0]->buffer ==
sl->ref_list[1][i].parent->f->buf[0]->buffer; i++);
if (i == lens[0]) {
FFSWAP(H264Ref, sl->ref_list[1][0], sl->ref_list[1][1]);
}
}
} else {
len = build_def_list(sl->ref_list[0], FF_ARRAY_ELEMS(sl->ref_list[0]),
h->short_ref, h->short_ref_count, 0, h->picture_structure);
len += build_def_list(sl->ref_list[0] + len,
FF_ARRAY_ELEMS(sl->ref_list[0]) - len,
h-> long_ref, 16, 1, h->picture_structure);
if (len < sl->ref_count[0])
memset(&sl->ref_list[0][len], 0, sizeof(H264Ref) * (sl->ref_count[0] - len));
}
#ifdef TRACE
for (i = 0; i < sl->ref_count[0]; i++) {
ff_tlog(h->avctx, "List0: %s fn:%d 0x%p\n",
(sl->ref_list[0][i].long_ref ? "LT" : "ST"),
sl->ref_list[0][i].pic_id,
sl->ref_list[0][i].f->data[0]);
}
if (sl->slice_type_nos == AV_PICTURE_TYPE_B) {
for (i = 0; i < sl->ref_count[1]; i++) {
ff_tlog(h->avctx, "List1: %s fn:%d 0x%p\n",
(sl->ref_list[1][i].long_ref ? "LT" : "ST"),
sl->ref_list[1][i].pic_id,
sl->ref_list[1][i].f->data[0]);
}
}
#endif
} | ['int ff_h264_decode_slice_header(H264Context *h, H264SliceContext *sl)\n{\n unsigned int first_mb_in_slice;\n unsigned int pps_id;\n int ret;\n unsigned int slice_type, tmp, i, j;\n int last_pic_structure, last_pic_droppable;\n int needs_reinit = 0;\n int field_pic_flag, bottom_field_flag;\n int frame_num, droppable, picture_structure;\n int mb_aff_frame = 0;\n h->qpel_put = h->h264qpel.put_h264_qpel_pixels_tab;\n h->qpel_avg = h->h264qpel.avg_h264_qpel_pixels_tab;\n first_mb_in_slice = get_ue_golomb(&sl->gb);\n if (first_mb_in_slice == 0) {\n if (h->current_slice && h->cur_pic_ptr && FIELD_PICTURE(h)) {\n ff_h264_field_end(h, sl, 1);\n }\n h->current_slice = 0;\n if (!h->first_field) {\n if (h->cur_pic_ptr && !h->droppable) {\n ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,\n h->picture_structure == PICT_BOTTOM_FIELD);\n }\n h->cur_pic_ptr = NULL;\n }\n }\n slice_type = get_ue_golomb_31(&sl->gb);\n if (slice_type > 9) {\n av_log(h->avctx, AV_LOG_ERROR,\n "slice type %d too large at %d\\n",\n slice_type, first_mb_in_slice);\n return AVERROR_INVALIDDATA;\n }\n if (slice_type > 4) {\n slice_type -= 5;\n sl->slice_type_fixed = 1;\n } else\n sl->slice_type_fixed = 0;\n slice_type = golomb_to_pict_type[slice_type];\n sl->slice_type = slice_type;\n sl->slice_type_nos = slice_type & 3;\n if (h->nal_unit_type == NAL_IDR_SLICE &&\n sl->slice_type_nos != AV_PICTURE_TYPE_I) {\n av_log(h->avctx, AV_LOG_ERROR, "A non-intra slice in an IDR NAL unit.\\n");\n return AVERROR_INVALIDDATA;\n }\n if (!h->setup_finished)\n h->pict_type = sl->slice_type;\n pps_id = get_ue_golomb(&sl->gb);\n if (pps_id >= MAX_PPS_COUNT) {\n av_log(h->avctx, AV_LOG_ERROR, "pps_id %u out of range\\n", pps_id);\n return AVERROR_INVALIDDATA;\n }\n if (!h->pps_buffers[pps_id]) {\n av_log(h->avctx, AV_LOG_ERROR,\n "non-existing PPS %u referenced\\n",\n pps_id);\n return AVERROR_INVALIDDATA;\n }\n if (!h->setup_finished) {\n h->pps = *h->pps_buffers[pps_id];\n } else if (h->dequant_coeff_pps != pps_id) {\n av_log(h->avctx, AV_LOG_ERROR, "PPS changed between slices\\n");\n return AVERROR_INVALIDDATA;\n }\n if (!h->sps_buffers[h->pps.sps_id]) {\n av_log(h->avctx, AV_LOG_ERROR,\n "non-existing SPS %u referenced\\n",\n h->pps.sps_id);\n return AVERROR_INVALIDDATA;\n }\n if (h->pps.sps_id != h->sps.sps_id ||\n h->sps_buffers[h->pps.sps_id]->new) {\n h->sps_buffers[h->pps.sps_id]->new = 0;\n h->sps = *h->sps_buffers[h->pps.sps_id];\n if (h->bit_depth_luma != h->sps.bit_depth_luma ||\n h->chroma_format_idc != h->sps.chroma_format_idc)\n needs_reinit = 1;\n if (h->flags & AV_CODEC_FLAG_LOW_DELAY ||\n (h->sps.bitstream_restriction_flag &&\n !h->sps.num_reorder_frames)) {\n if (h->avctx->has_b_frames > 1 || h->delayed_pic[0])\n av_log(h->avctx, AV_LOG_WARNING, "Delayed frames seen. "\n "Reenabling low delay requires a codec flush.\\n");\n else\n h->low_delay = 1;\n }\n if (h->avctx->has_b_frames < 2)\n h->avctx->has_b_frames = !h->low_delay;\n }\n if (!h->setup_finished) {\n h->avctx->profile = ff_h264_get_profile(&h->sps);\n h->avctx->level = h->sps.level_idc;\n h->avctx->refs = h->sps.ref_frame_count;\n if (h->mb_width != h->sps.mb_width ||\n h->mb_height != h->sps.mb_height * (2 - h->sps.frame_mbs_only_flag))\n needs_reinit = 1;\n h->mb_width = h->sps.mb_width;\n h->mb_height = h->sps.mb_height * (2 - h->sps.frame_mbs_only_flag);\n h->mb_num = h->mb_width * h->mb_height;\n h->mb_stride = h->mb_width + 1;\n h->b_stride = h->mb_width * 4;\n h->chroma_y_shift = h->sps.chroma_format_idc <= 1;\n h->width = 16 * h->mb_width;\n h->height = 16 * h->mb_height;\n ret = init_dimensions(h);\n if (ret < 0)\n return ret;\n if (h->sps.video_signal_type_present_flag) {\n h->avctx->color_range = h->sps.full_range ? AVCOL_RANGE_JPEG\n : AVCOL_RANGE_MPEG;\n if (h->sps.colour_description_present_flag) {\n if (h->avctx->colorspace != h->sps.colorspace)\n needs_reinit = 1;\n h->avctx->color_primaries = h->sps.color_primaries;\n h->avctx->color_trc = h->sps.color_trc;\n h->avctx->colorspace = h->sps.colorspace;\n }\n }\n }\n if (h->context_initialized && needs_reinit) {\n h->context_initialized = 0;\n if (sl != h->slice_ctx) {\n av_log(h->avctx, AV_LOG_ERROR,\n "changing width %d -> %d / height %d -> %d on "\n "slice %d\\n",\n h->width, h->avctx->coded_width,\n h->height, h->avctx->coded_height,\n h->current_slice + 1);\n return AVERROR_INVALIDDATA;\n }\n ff_h264_flush_change(h);\n if ((ret = get_pixel_format(h)) < 0)\n return ret;\n h->avctx->pix_fmt = ret;\n av_log(h->avctx, AV_LOG_INFO, "Reinit context to %dx%d, "\n "pix_fmt: %d\\n", h->width, h->height, h->avctx->pix_fmt);\n if ((ret = h264_slice_header_init(h)) < 0) {\n av_log(h->avctx, AV_LOG_ERROR,\n "h264_slice_header_init() failed\\n");\n return ret;\n }\n }\n if (!h->context_initialized) {\n if (sl != h->slice_ctx) {\n av_log(h->avctx, AV_LOG_ERROR,\n "Cannot (re-)initialize context during parallel decoding.\\n");\n return AVERROR_PATCHWELCOME;\n }\n if ((ret = get_pixel_format(h)) < 0)\n return ret;\n h->avctx->pix_fmt = ret;\n if ((ret = h264_slice_header_init(h)) < 0) {\n av_log(h->avctx, AV_LOG_ERROR,\n "h264_slice_header_init() failed\\n");\n return ret;\n }\n }\n if (sl == h->slice_ctx && h->dequant_coeff_pps != pps_id) {\n h->dequant_coeff_pps = pps_id;\n h264_init_dequant_tables(h);\n }\n frame_num = get_bits(&sl->gb, h->sps.log2_max_frame_num);\n if (!h->setup_finished)\n h->frame_num = frame_num;\n sl->mb_mbaff = 0;\n last_pic_structure = h->picture_structure;\n last_pic_droppable = h->droppable;\n droppable = h->nal_ref_idc == 0;\n if (h->sps.frame_mbs_only_flag) {\n picture_structure = PICT_FRAME;\n } else {\n field_pic_flag = get_bits1(&sl->gb);\n if (field_pic_flag) {\n bottom_field_flag = get_bits1(&sl->gb);\n picture_structure = PICT_TOP_FIELD + bottom_field_flag;\n } else {\n picture_structure = PICT_FRAME;\n mb_aff_frame = h->sps.mb_aff;\n }\n }\n if (!h->setup_finished) {\n h->droppable = droppable;\n h->picture_structure = picture_structure;\n h->mb_aff_frame = mb_aff_frame;\n }\n sl->mb_field_decoding_flag = h->picture_structure != PICT_FRAME;\n if (h->current_slice != 0) {\n if (last_pic_structure != picture_structure ||\n last_pic_droppable != droppable) {\n av_log(h->avctx, AV_LOG_ERROR,\n "Changing field mode (%d -> %d) between slices is not allowed\\n",\n last_pic_structure, h->picture_structure);\n return AVERROR_INVALIDDATA;\n } else if (!h->cur_pic_ptr) {\n av_log(h->avctx, AV_LOG_ERROR,\n "unset cur_pic_ptr on slice %d\\n",\n h->current_slice + 1);\n return AVERROR_INVALIDDATA;\n }\n } else {\n if (h->frame_num != h->prev_frame_num) {\n int unwrap_prev_frame_num = h->prev_frame_num;\n int max_frame_num = 1 << h->sps.log2_max_frame_num;\n if (unwrap_prev_frame_num > h->frame_num)\n unwrap_prev_frame_num -= max_frame_num;\n if ((h->frame_num - unwrap_prev_frame_num) > h->sps.ref_frame_count) {\n unwrap_prev_frame_num = (h->frame_num - h->sps.ref_frame_count) - 1;\n if (unwrap_prev_frame_num < 0)\n unwrap_prev_frame_num += max_frame_num;\n h->prev_frame_num = unwrap_prev_frame_num;\n }\n }\n if (h->first_field) {\n assert(h->cur_pic_ptr);\n assert(h->cur_pic_ptr->f->buf[0]);\n assert(h->cur_pic_ptr->reference != DELAYED_PIC_REF);\n if (!FIELD_PICTURE(h) || h->picture_structure == last_pic_structure) {\n if (!last_pic_droppable && last_pic_structure != PICT_FRAME) {\n ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,\n last_pic_structure == PICT_TOP_FIELD);\n }\n } else {\n if (h->cur_pic_ptr->frame_num != h->frame_num) {\n if (!last_pic_droppable && last_pic_structure != PICT_FRAME) {\n ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,\n last_pic_structure == PICT_TOP_FIELD);\n }\n } else {\n if (!((last_pic_structure == PICT_TOP_FIELD &&\n h->picture_structure == PICT_BOTTOM_FIELD) ||\n (last_pic_structure == PICT_BOTTOM_FIELD &&\n h->picture_structure == PICT_TOP_FIELD))) {\n av_log(h->avctx, AV_LOG_ERROR,\n "Invalid field mode combination %d/%d\\n",\n last_pic_structure, h->picture_structure);\n h->picture_structure = last_pic_structure;\n h->droppable = last_pic_droppable;\n return AVERROR_INVALIDDATA;\n } else if (last_pic_droppable != h->droppable) {\n avpriv_request_sample(h->avctx,\n "Found reference and non-reference fields in the same frame, which");\n h->picture_structure = last_pic_structure;\n h->droppable = last_pic_droppable;\n return AVERROR_PATCHWELCOME;\n }\n }\n }\n }\n while (h->frame_num != h->prev_frame_num &&\n h->frame_num != (h->prev_frame_num + 1) % (1 << h->sps.log2_max_frame_num)) {\n H264Picture *prev = h->short_ref_count ? h->short_ref[0] : NULL;\n av_log(h->avctx, AV_LOG_DEBUG, "Frame num gap %d %d\\n",\n h->frame_num, h->prev_frame_num);\n ret = h264_frame_start(h);\n if (ret < 0) {\n h->first_field = 0;\n return ret;\n }\n h->prev_frame_num++;\n h->prev_frame_num %= 1 << h->sps.log2_max_frame_num;\n h->cur_pic_ptr->frame_num = h->prev_frame_num;\n ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, 0);\n ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, 1);\n ret = ff_generate_sliding_window_mmcos(h, 1);\n if (ret < 0 && (h->avctx->err_recognition & AV_EF_EXPLODE))\n return ret;\n ret = ff_h264_execute_ref_pic_marking(h, h->mmco, h->mmco_index);\n if (ret < 0 && (h->avctx->err_recognition & AV_EF_EXPLODE))\n return ret;\n if (h->short_ref_count) {\n if (prev &&\n h->short_ref[0]->f->width == prev->f->width &&\n h->short_ref[0]->f->height == prev->f->height &&\n h->short_ref[0]->f->format == prev->f->format) {\n av_image_copy(h->short_ref[0]->f->data,\n h->short_ref[0]->f->linesize,\n (const uint8_t **)prev->f->data,\n prev->f->linesize,\n prev->f->format,\n h->mb_width * 16,\n h->mb_height * 16);\n h->short_ref[0]->poc = prev->poc + 2;\n }\n h->short_ref[0]->frame_num = h->prev_frame_num;\n }\n }\n if (h->first_field) {\n assert(h->cur_pic_ptr);\n assert(h->cur_pic_ptr->f->buf[0]);\n assert(h->cur_pic_ptr->reference != DELAYED_PIC_REF);\n if (!FIELD_PICTURE(h) || h->picture_structure == last_pic_structure) {\n h->cur_pic_ptr = NULL;\n h->first_field = FIELD_PICTURE(h);\n } else {\n if (h->cur_pic_ptr->frame_num != h->frame_num) {\n h->first_field = 1;\n h->cur_pic_ptr = NULL;\n } else {\n h->first_field = 0;\n }\n }\n } else {\n h->first_field = FIELD_PICTURE(h);\n }\n if (!FIELD_PICTURE(h) || h->first_field) {\n if (h264_frame_start(h) < 0) {\n h->first_field = 0;\n return AVERROR_INVALIDDATA;\n }\n } else {\n release_unused_pictures(h, 0);\n }\n }\n assert(h->mb_num == h->mb_width * h->mb_height);\n if (first_mb_in_slice << FIELD_OR_MBAFF_PICTURE(h) >= h->mb_num ||\n first_mb_in_slice >= h->mb_num) {\n av_log(h->avctx, AV_LOG_ERROR, "first_mb_in_slice overflow\\n");\n return AVERROR_INVALIDDATA;\n }\n sl->resync_mb_x = sl->mb_x = first_mb_in_slice % h->mb_width;\n sl->resync_mb_y = sl->mb_y = (first_mb_in_slice / h->mb_width) <<\n FIELD_OR_MBAFF_PICTURE(h);\n if (h->picture_structure == PICT_BOTTOM_FIELD)\n sl->resync_mb_y = sl->mb_y = sl->mb_y + 1;\n assert(sl->mb_y < h->mb_height);\n if (h->picture_structure == PICT_FRAME) {\n h->curr_pic_num = h->frame_num;\n h->max_pic_num = 1 << h->sps.log2_max_frame_num;\n } else {\n h->curr_pic_num = 2 * h->frame_num + 1;\n h->max_pic_num = 1 << (h->sps.log2_max_frame_num + 1);\n }\n if (h->nal_unit_type == NAL_IDR_SLICE)\n get_ue_golomb(&sl->gb);\n if (h->sps.poc_type == 0) {\n int poc_lsb = get_bits(&sl->gb, h->sps.log2_max_poc_lsb);\n if (!h->setup_finished)\n h->poc_lsb = poc_lsb;\n if (h->pps.pic_order_present == 1 && h->picture_structure == PICT_FRAME) {\n int delta_poc_bottom = get_se_golomb(&sl->gb);\n if (!h->setup_finished)\n h->delta_poc_bottom = delta_poc_bottom;\n }\n }\n if (h->sps.poc_type == 1 && !h->sps.delta_pic_order_always_zero_flag) {\n int delta_poc = get_se_golomb(&sl->gb);\n if (!h->setup_finished)\n h->delta_poc[0] = delta_poc;\n if (h->pps.pic_order_present == 1 && h->picture_structure == PICT_FRAME) {\n delta_poc = get_se_golomb(&sl->gb);\n if (!h->setup_finished)\n h->delta_poc[1] = delta_poc;\n }\n }\n if (!h->setup_finished)\n ff_init_poc(h, h->cur_pic_ptr->field_poc, &h->cur_pic_ptr->poc);\n if (h->pps.redundant_pic_cnt_present)\n sl->redundant_pic_count = get_ue_golomb(&sl->gb);\n ret = ff_set_ref_count(h, sl);\n if (ret < 0)\n return ret;\n if (sl->slice_type_nos != AV_PICTURE_TYPE_I) {\n ret = ff_h264_decode_ref_pic_list_reordering(h, sl);\n if (ret < 0) {\n sl->ref_count[1] = sl->ref_count[0] = 0;\n return ret;\n }\n }\n if ((h->pps.weighted_pred && sl->slice_type_nos == AV_PICTURE_TYPE_P) ||\n (h->pps.weighted_bipred_idc == 1 &&\n sl->slice_type_nos == AV_PICTURE_TYPE_B))\n ff_pred_weight_table(h, sl);\n else if (h->pps.weighted_bipred_idc == 2 &&\n sl->slice_type_nos == AV_PICTURE_TYPE_B) {\n implicit_weight_table(h, sl, -1);\n } else {\n sl->use_weight = 0;\n for (i = 0; i < 2; i++) {\n sl->luma_weight_flag[i] = 0;\n sl->chroma_weight_flag[i] = 0;\n }\n }\n if (h->nal_ref_idc) {\n ret = ff_h264_decode_ref_pic_marking(h, &sl->gb,\n !(h->avctx->active_thread_type & FF_THREAD_FRAME) ||\n h->current_slice == 0);\n if (ret < 0 && (h->avctx->err_recognition & AV_EF_EXPLODE))\n return AVERROR_INVALIDDATA;\n }\n if (FRAME_MBAFF(h)) {\n ff_h264_fill_mbaff_ref_list(h, sl);\n if (h->pps.weighted_bipred_idc == 2 && sl->slice_type_nos == AV_PICTURE_TYPE_B) {\n implicit_weight_table(h, sl, 0);\n implicit_weight_table(h, sl, 1);\n }\n }\n if (sl->slice_type_nos == AV_PICTURE_TYPE_B && !sl->direct_spatial_mv_pred)\n ff_h264_direct_dist_scale_factor(h, sl);\n ff_h264_direct_ref_list_init(h, sl);\n if (sl->slice_type_nos != AV_PICTURE_TYPE_I && h->pps.cabac) {\n tmp = get_ue_golomb_31(&sl->gb);\n if (tmp > 2) {\n av_log(h->avctx, AV_LOG_ERROR, "cabac_init_idc %u overflow\\n", tmp);\n return AVERROR_INVALIDDATA;\n }\n sl->cabac_init_idc = tmp;\n }\n sl->last_qscale_diff = 0;\n tmp = h->pps.init_qp + get_se_golomb(&sl->gb);\n if (tmp > 51 + 6 * (h->sps.bit_depth_luma - 8)) {\n av_log(h->avctx, AV_LOG_ERROR, "QP %u out of range\\n", tmp);\n return AVERROR_INVALIDDATA;\n }\n sl->qscale = tmp;\n sl->chroma_qp[0] = get_chroma_qp(h, 0, sl->qscale);\n sl->chroma_qp[1] = get_chroma_qp(h, 1, sl->qscale);\n if (sl->slice_type == AV_PICTURE_TYPE_SP)\n get_bits1(&sl->gb);\n if (sl->slice_type == AV_PICTURE_TYPE_SP ||\n sl->slice_type == AV_PICTURE_TYPE_SI)\n get_se_golomb(&sl->gb);\n sl->deblocking_filter = 1;\n sl->slice_alpha_c0_offset = 0;\n sl->slice_beta_offset = 0;\n if (h->pps.deblocking_filter_parameters_present) {\n tmp = get_ue_golomb_31(&sl->gb);\n if (tmp > 2) {\n av_log(h->avctx, AV_LOG_ERROR,\n "deblocking_filter_idc %u out of range\\n", tmp);\n return AVERROR_INVALIDDATA;\n }\n sl->deblocking_filter = tmp;\n if (sl->deblocking_filter < 2)\n sl->deblocking_filter ^= 1;\n if (sl->deblocking_filter) {\n sl->slice_alpha_c0_offset = get_se_golomb(&sl->gb) * 2;\n sl->slice_beta_offset = get_se_golomb(&sl->gb) * 2;\n if (sl->slice_alpha_c0_offset > 12 ||\n sl->slice_alpha_c0_offset < -12 ||\n sl->slice_beta_offset > 12 ||\n sl->slice_beta_offset < -12) {\n av_log(h->avctx, AV_LOG_ERROR,\n "deblocking filter parameters %d %d out of range\\n",\n sl->slice_alpha_c0_offset, sl->slice_beta_offset);\n return AVERROR_INVALIDDATA;\n }\n }\n }\n if (h->avctx->skip_loop_filter >= AVDISCARD_ALL ||\n (h->avctx->skip_loop_filter >= AVDISCARD_NONKEY &&\n sl->slice_type_nos != AV_PICTURE_TYPE_I) ||\n (h->avctx->skip_loop_filter >= AVDISCARD_BIDIR &&\n sl->slice_type_nos == AV_PICTURE_TYPE_B) ||\n (h->avctx->skip_loop_filter >= AVDISCARD_NONREF &&\n h->nal_ref_idc == 0))\n sl->deblocking_filter = 0;\n if (sl->deblocking_filter == 1 && h->max_contexts > 1) {\n if (h->avctx->flags2 & AV_CODEC_FLAG2_FAST) {\n sl->deblocking_filter = 2;\n } else {\n h->max_contexts = 1;\n if (!h->single_decode_warning) {\n av_log(h->avctx, AV_LOG_INFO,\n "Cannot parallelize deblocking type 1, decoding such frames in sequential order\\n");\n h->single_decode_warning = 1;\n }\n if (sl != h->slice_ctx) {\n av_log(h->avctx, AV_LOG_ERROR,\n "Deblocking switched inside frame.\\n");\n return 1;\n }\n }\n }\n sl->qp_thresh = 15 -\n FFMIN(sl->slice_alpha_c0_offset, sl->slice_beta_offset) -\n FFMAX3(0,\n h->pps.chroma_qp_index_offset[0],\n h->pps.chroma_qp_index_offset[1]) +\n 6 * (h->sps.bit_depth_luma - 8);\n sl->slice_num = ++h->current_slice;\n if (sl->slice_num >= MAX_SLICES) {\n av_log(h->avctx, AV_LOG_ERROR,\n "Too many slices, increase MAX_SLICES and recompile\\n");\n }\n for (j = 0; j < 2; j++) {\n int id_list[16];\n int *ref2frm = sl->ref2frm[sl->slice_num & (MAX_SLICES - 1)][j];\n for (i = 0; i < 16; i++) {\n id_list[i] = 60;\n if (j < sl->list_count && i < sl->ref_count[j] &&\n sl->ref_list[j][i].parent->f->buf[0]) {\n int k;\n AVBuffer *buf = sl->ref_list[j][i].parent->f->buf[0]->buffer;\n for (k = 0; k < h->short_ref_count; k++)\n if (h->short_ref[k]->f->buf[0]->buffer == buf) {\n id_list[i] = k;\n break;\n }\n for (k = 0; k < h->long_ref_count; k++)\n if (h->long_ref[k] && h->long_ref[k]->f->buf[0]->buffer == buf) {\n id_list[i] = h->short_ref_count + k;\n break;\n }\n }\n }\n ref2frm[0] =\n ref2frm[1] = -1;\n for (i = 0; i < 16; i++)\n ref2frm[i + 2] = 4 * id_list[i] + (sl->ref_list[j][i].reference & 3);\n ref2frm[18 + 0] =\n ref2frm[18 + 1] = -1;\n for (i = 16; i < 48; i++)\n ref2frm[i + 4] = 4 * id_list[(i - 16) >> 1] +\n (sl->ref_list[j][i].reference & 3);\n }\n if (h->avctx->debug & FF_DEBUG_PICT_INFO) {\n av_log(h->avctx, AV_LOG_DEBUG,\n "slice:%d %s mb:%d %c%s%s pps:%u frame:%d poc:%d/%d ref:%d/%d qp:%d loop:%d:%d:%d weight:%d%s %s\\n",\n sl->slice_num,\n (h->picture_structure == PICT_FRAME ? "F" : h->picture_structure == PICT_TOP_FIELD ? "T" : "B"),\n first_mb_in_slice,\n av_get_picture_type_char(sl->slice_type),\n sl->slice_type_fixed ? " fix" : "",\n h->nal_unit_type == NAL_IDR_SLICE ? " IDR" : "",\n pps_id, h->frame_num,\n h->cur_pic_ptr->field_poc[0],\n h->cur_pic_ptr->field_poc[1],\n sl->ref_count[0], sl->ref_count[1],\n sl->qscale,\n sl->deblocking_filter,\n sl->slice_alpha_c0_offset, sl->slice_beta_offset,\n sl->use_weight,\n sl->use_weight == 1 && sl->use_weight_chroma ? "c" : "",\n sl->slice_type == AV_PICTURE_TYPE_B ? (sl->direct_spatial_mv_pred ? "SPAT" : "TEMP") : "");\n }\n return 0;\n}', 'int ff_h264_decode_ref_pic_list_reordering(H264Context *h, H264SliceContext *sl)\n{\n int list, index, pic_structure;\n print_short_term(h);\n print_long_term(h);\n h264_initialise_ref_list(h, sl);\n for (list = 0; list < sl->list_count; list++) {\n if (get_bits1(&sl->gb)) {\n int pred = h->curr_pic_num;\n for (index = 0; ; index++) {\n unsigned int modification_of_pic_nums_idc = get_ue_golomb_31(&sl->gb);\n unsigned int pic_id;\n int i;\n H264Picture *ref = NULL;\n if (modification_of_pic_nums_idc == 3)\n break;\n if (index >= sl->ref_count[list]) {\n av_log(h->avctx, AV_LOG_ERROR, "reference count overflow\\n");\n return -1;\n }\n switch (modification_of_pic_nums_idc) {\n case 0:\n case 1: {\n const unsigned int abs_diff_pic_num = get_ue_golomb(&sl->gb) + 1;\n int frame_num;\n if (abs_diff_pic_num > h->max_pic_num) {\n av_log(h->avctx, AV_LOG_ERROR,\n "abs_diff_pic_num overflow\\n");\n return AVERROR_INVALIDDATA;\n }\n if (modification_of_pic_nums_idc == 0)\n pred -= abs_diff_pic_num;\n else\n pred += abs_diff_pic_num;\n pred &= h->max_pic_num - 1;\n frame_num = pic_num_extract(h, pred, &pic_structure);\n for (i = h->short_ref_count - 1; i >= 0; i--) {\n ref = h->short_ref[i];\n assert(ref->reference);\n assert(!ref->long_ref);\n if (ref->frame_num == frame_num &&\n (ref->reference & pic_structure))\n break;\n }\n if (i >= 0)\n ref->pic_id = pred;\n break;\n }\n case 2: {\n int long_idx;\n pic_id = get_ue_golomb(&sl->gb);\n long_idx = pic_num_extract(h, pic_id, &pic_structure);\n if (long_idx > 31) {\n av_log(h->avctx, AV_LOG_ERROR,\n "long_term_pic_idx overflow\\n");\n return AVERROR_INVALIDDATA;\n }\n ref = h->long_ref[long_idx];\n assert(!(ref && !ref->reference));\n if (ref && (ref->reference & pic_structure)) {\n ref->pic_id = pic_id;\n assert(ref->long_ref);\n i = 0;\n } else {\n i = -1;\n }\n break;\n }\n default:\n av_log(h->avctx, AV_LOG_ERROR,\n "illegal modification_of_pic_nums_idc %u\\n",\n modification_of_pic_nums_idc);\n return AVERROR_INVALIDDATA;\n }\n if (i < 0) {\n av_log(h->avctx, AV_LOG_ERROR,\n "reference picture missing during reorder\\n");\n memset(&sl->ref_list[list][index], 0, sizeof(sl->ref_list[0][0]));\n } else {\n for (i = index; i + 1 < sl->ref_count[list]; i++) {\n if (sl->ref_list[list][i].parent &&\n ref->long_ref == sl->ref_list[list][i].parent->long_ref &&\n ref->pic_id == sl->ref_list[list][i].pic_id)\n break;\n }\n for (; i > index; i--) {\n sl->ref_list[list][i] = sl->ref_list[list][i - 1];\n }\n ref_from_h264pic(&sl->ref_list[list][index], ref);\n if (FIELD_PICTURE(h)) {\n pic_as_field(&sl->ref_list[list][index], pic_structure);\n }\n }\n }\n }\n }\n for (list = 0; list < sl->list_count; list++) {\n for (index = 0; index < sl->ref_count[list]; index++) {\n if (!sl->ref_list[list][index].parent) {\n av_log(h->avctx, AV_LOG_ERROR, "Missing reference picture\\n");\n return -1;\n }\n }\n }\n return 0;\n}', 'static void h264_initialise_ref_list(H264Context *h, H264SliceContext *sl)\n{\n int i, len;\n if (sl->slice_type_nos == AV_PICTURE_TYPE_B) {\n H264Picture *sorted[32];\n int cur_poc, list;\n int lens[2];\n if (FIELD_PICTURE(h))\n cur_poc = h->cur_pic_ptr->field_poc[h->picture_structure == PICT_BOTTOM_FIELD];\n else\n cur_poc = h->cur_pic_ptr->poc;\n for (list = 0; list < 2; list++) {\n len = add_sorted(sorted, h->short_ref, h->short_ref_count, cur_poc, 1 ^ list);\n len += add_sorted(sorted + len, h->short_ref, h->short_ref_count, cur_poc, 0 ^ list);\n assert(len <= 32);\n len = build_def_list(sl->ref_list[list], FF_ARRAY_ELEMS(sl->ref_list[0]),\n sorted, len, 0, h->picture_structure);\n len += build_def_list(sl->ref_list[list] + len,\n FF_ARRAY_ELEMS(sl->ref_list[0]) - len,\n h->long_ref, 16, 1, h->picture_structure);\n if (len < sl->ref_count[list])\n memset(&sl->ref_list[list][len], 0, sizeof(H264Ref) * (sl->ref_count[list] - len));\n lens[list] = len;\n }\n if (lens[0] == lens[1] && lens[1] > 1) {\n for (i = 0; i < lens[0] &&\n sl->ref_list[0][i].parent->f->buf[0]->buffer ==\n sl->ref_list[1][i].parent->f->buf[0]->buffer; i++);\n if (i == lens[0]) {\n FFSWAP(H264Ref, sl->ref_list[1][0], sl->ref_list[1][1]);\n }\n }\n } else {\n len = build_def_list(sl->ref_list[0], FF_ARRAY_ELEMS(sl->ref_list[0]),\n h->short_ref, h->short_ref_count, 0, h->picture_structure);\n len += build_def_list(sl->ref_list[0] + len,\n FF_ARRAY_ELEMS(sl->ref_list[0]) - len,\n h-> long_ref, 16, 1, h->picture_structure);\n if (len < sl->ref_count[0])\n memset(&sl->ref_list[0][len], 0, sizeof(H264Ref) * (sl->ref_count[0] - len));\n }\n#ifdef TRACE\n for (i = 0; i < sl->ref_count[0]; i++) {\n ff_tlog(h->avctx, "List0: %s fn:%d 0x%p\\n",\n (sl->ref_list[0][i].long_ref ? "LT" : "ST"),\n sl->ref_list[0][i].pic_id,\n sl->ref_list[0][i].f->data[0]);\n }\n if (sl->slice_type_nos == AV_PICTURE_TYPE_B) {\n for (i = 0; i < sl->ref_count[1]; i++) {\n ff_tlog(h->avctx, "List1: %s fn:%d 0x%p\\n",\n (sl->ref_list[1][i].long_ref ? "LT" : "ST"),\n sl->ref_list[1][i].pic_id,\n sl->ref_list[1][i].f->data[0]);\n }\n }\n#endif\n}'] |
21,100 | 0 | https://github.com/libav/libav/blob/60392480181f24ebf3ab48d8ac3614705de90152/libavformat/utils.c/#L2637 | void ff_program_add_stream_index(AVFormatContext *ac, int progid, unsigned idx)
{
int i, j;
AVProgram *program = NULL;
if (idx >= ac->nb_streams) {
av_log(ac, AV_LOG_ERROR, "stream index %d is not valid\n", idx);
return;
}
for (i = 0; i < ac->nb_programs; i++) {
if (ac->programs[i]->id != progid)
continue;
program = ac->programs[i];
for (j = 0; j < program->nb_stream_indexes; j++)
if (program->stream_index[j] == idx)
return;
if (av_reallocp_array(&program->stream_index,
program->nb_stream_indexes + 1,
sizeof(*program->stream_index)) < 0) {
program->nb_stream_indexes = 0;
return;
}
program->stream_index[program->nb_stream_indexes++] = idx;
return;
}
} | ['void ff_program_add_stream_index(AVFormatContext *ac, int progid, unsigned idx)\n{\n int i, j;\n AVProgram *program = NULL;\n if (idx >= ac->nb_streams) {\n av_log(ac, AV_LOG_ERROR, "stream index %d is not valid\\n", idx);\n return;\n }\n for (i = 0; i < ac->nb_programs; i++) {\n if (ac->programs[i]->id != progid)\n continue;\n program = ac->programs[i];\n for (j = 0; j < program->nb_stream_indexes; j++)\n if (program->stream_index[j] == idx)\n return;\n if (av_reallocp_array(&program->stream_index,\n program->nb_stream_indexes + 1,\n sizeof(*program->stream_index)) < 0) {\n program->nb_stream_indexes = 0;\n return;\n }\n program->stream_index[program->nb_stream_indexes++] = idx;\n return;\n }\n}', 'int av_reallocp_array(void *ptr, size_t nmemb, size_t size)\n{\n void *val;\n if (!size || nmemb >= INT_MAX / size)\n return AVERROR(ENOMEM);\n if (!nmemb) {\n av_freep(ptr);\n return 0;\n }\n memcpy(&val, ptr, sizeof(val));\n val = av_realloc(val, nmemb * size);\n if (!val) {\n av_freep(ptr);\n return AVERROR(ENOMEM);\n }\n memcpy(ptr, &val, sizeof(val));\n return 0;\n}'] |
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