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d2a_code_data_45354
static int bnrand(BNRAND_FLAG flag, BIGNUM *rnd, int bits, int top, int bottom) { unsigned char *buf = NULL; int b, ret = 0, bit, bytes, mask; if (bits == 0) { if (top != BN_RAND_TOP_ANY || bottom != BN_RAND_BOTTOM_ANY) goto toosmall; BN_zero(rnd); return 1; } if (bits < 0 || (bits == 1 && top > 0)) goto toosmall; bytes = (bits + 7) / 8; bit = (bits - 1) % 8; mask = 0xff << (bit + 1); buf = OPENSSL_malloc(bytes); if (buf == NULL) { BNerr(BN_F_BNRAND, ERR_R_MALLOC_FAILURE); goto err; } b = flag == NORMAL ? RAND_bytes(buf, bytes) : RAND_priv_bytes(buf, bytes); if (b <= 0) goto err; if (flag == TESTING) { int i; unsigned char c; for (i = 0; i < bytes; i++) { if (RAND_bytes(&c, 1) <= 0) goto err; if (c >= 128 && i > 0) buf[i] = buf[i - 1]; else if (c < 42) buf[i] = 0; else if (c < 84) buf[i] = 255; } } if (top >= 0) { if (top) { if (bit == 0) { buf[0] = 1; buf[1] |= 0x80; } else { buf[0] |= (3 << (bit - 1)); } } else { buf[0] |= (1 << bit); } } buf[0] &= ~mask; if (bottom) buf[bytes - 1] |= 1; if (!BN_bin2bn(buf, bytes, rnd)) goto err; ret = 1; err: OPENSSL_clear_free(buf, bytes); bn_check_top(rnd); return ret; toosmall: BNerr(BN_F_BNRAND, BN_R_BITS_TOO_SMALL); return 0; }
https://github.com/openssl/openssl/blob/49cd47eaababc8c57871b929080fc1357e2ad7b8/crypto/bn/bn_rand.c/#L83
d2a_code_data_45355
void RC2_set_key(RC2_KEY *key, int len, const unsigned char *data, int bits) #ifdef OPENSSL_FIPS { fips_cipher_abort(RC2); private_RC2_set_key(key, len, data, bits); } void private_RC2_set_key(RC2_KEY *key, int len, const unsigned char *data, int bits) #endif { int i,j; unsigned char *k; RC2_INT *ki; unsigned int c,d; k= (unsigned char *)&(key->data[0]); *k=0; if (len > 128) len=128; if (bits <= 0) bits=1024; if (bits > 1024) bits=1024; for (i=0; i<len; i++) k[i]=data[i]; d=k[len-1]; j=0; for (i=len; i < 128; i++,j++) { d=key_table[(k[j]+d)&0xff]; k[i]=d; } j=(bits+7)>>3; i=128-j; c= (0xff>>(-bits & 0x07)); d=key_table[k[i]&c]; k[i]=d; while (i--) { d=key_table[k[i+j]^d]; k[i]=d; } ki= &(key->data[63]); for (i=127; i>=0; i-=2) *(ki--)=((k[i]<<8)|k[i-1])&0xffff; }
https://github.com/openssl/openssl/blob/4af793036f6ef4f0a1078e5d7155426a98d50e37/crypto/rc2/rc2_skey.c/#L120
d2a_code_data_45356
static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type) { OutputStream *ost; AVStream *st = avformat_new_stream(oc, NULL); int idx = oc->nb_streams - 1, ret = 0; char *bsf = NULL, *next, *codec_tag = NULL; AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL; double qscale = -1; char *buf = NULL, *arg = NULL, *preset = NULL; AVIOContext *s = NULL; if (!st) { av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n"); exit_program(1); } if (oc->nb_streams - 1 < o->nb_streamid_map) st->id = o->streamid_map[oc->nb_streams - 1]; output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams, nb_output_streams + 1); ost = &output_streams[nb_output_streams - 1]; ost->file_index = nb_output_files; ost->index = idx; ost->st = st; st->codec->codec_type = type; choose_encoder(o, oc, ost); if (ost->enc) { ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st); } avcodec_get_context_defaults3(st->codec, ost->enc); st->codec->codec_type = type; MATCH_PER_STREAM_OPT(presets, str, preset, oc, st); if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) { do { buf = get_line(s); if (!buf[0] || buf[0] == '#') { av_free(buf); continue; } if (!(arg = strchr(buf, '='))) { av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n"); exit_program(1); } *arg++ = 0; av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE); av_free(buf); } while (!s->eof_reached); avio_close(s); } if (ret) { av_log(NULL, AV_LOG_FATAL, "Preset %s specified for stream %d:%d, but could not be opened.\n", preset, ost->file_index, ost->index); exit_program(1); } ost->max_frames = INT64_MAX; MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st); MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st); while (bsf) { if (next = strchr(bsf, ',')) *next++ = 0; if (!(bsfc = av_bitstream_filter_init(bsf))) { av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf); exit_program(1); } if (bsfc_prev) bsfc_prev->next = bsfc; else ost->bitstream_filters = bsfc; bsfc_prev = bsfc; bsf = next; } MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st); if (codec_tag) { uint32_t tag = strtol(codec_tag, &next, 0); if (*next) tag = AV_RL32(codec_tag); st->codec->codec_tag = tag; } MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st); if (qscale >= 0 || same_quant) { st->codec->flags |= CODEC_FLAG_QSCALE; st->codec->global_quality = FF_QP2LAMBDA * qscale; } if (oc->oformat->flags & AVFMT_GLOBALHEADER) st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER; av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags); return ost; }
https://github.com/libav/libav/blob/e551a6f49a13f2e992c42bc00a8b45ad636e52ad/avconv.c/#L3122
d2a_code_data_45357
static void new_audio_stream(AVFormatContext *oc) { AVStream *st; AVCodecContext *audio_enc; int codec_id; st = av_new_stream(oc, oc->nb_streams); if (!st) { fprintf(stderr, "Could not alloc stream\n"); av_exit(1); } avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO); bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters; audio_bitstream_filters= NULL; if(thread_count>1) avcodec_thread_init(st->codec, thread_count); audio_enc = st->codec; audio_enc->codec_type = CODEC_TYPE_AUDIO; if(audio_codec_tag) audio_enc->codec_tag= audio_codec_tag; if (oc->oformat->flags & AVFMT_GLOBALHEADER) { audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER; avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER; } if (audio_stream_copy) { st->stream_copy = 1; audio_enc->channels = audio_channels; } else { AVCodec *codec; set_context_opts(audio_enc, avctx_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM); if (audio_codec_name) { codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1); codec = avcodec_find_encoder_by_name(audio_codec_name); output_codecs[nb_ocodecs] = codec; } else { codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO); codec = avcodec_find_encoder(codec_id); } audio_enc->codec_id = codec_id; if (audio_qscale > QSCALE_NONE) { audio_enc->flags |= CODEC_FLAG_QSCALE; audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale; } audio_enc->thread_count = thread_count; audio_enc->channels = audio_channels; audio_enc->sample_fmt = audio_sample_fmt; audio_enc->channel_layout = channel_layout; if(codec && codec->sample_fmts){ const enum SampleFormat *p= codec->sample_fmts; for(; *p!=-1; p++){ if(*p == audio_enc->sample_fmt) break; } if(*p == -1) audio_enc->sample_fmt = codec->sample_fmts[0]; } } nb_ocodecs++; audio_enc->sample_rate = audio_sample_rate; audio_enc->time_base= (AVRational){1, audio_sample_rate}; if (audio_language) { av_metadata_set(&st->metadata, "language", audio_language); av_free(audio_language); audio_language = NULL; } audio_disable = 0; av_freep(&audio_codec_name); audio_stream_copy = 0; }
https://github.com/libav/libav/blob/9aaa2077e5879b153d2ce6bea2e42f0c349a083f/ffmpeg.c/#L3107
d2a_code_data_45358
static void opt_input_ts_scale(const char *arg) { unsigned int stream; double scale; char *p; stream = strtol(arg, &p, 0); if (*p) p++; scale= strtod(p, &p); if(stream >= MAX_STREAMS) ffmpeg_exit(1); input_files_ts_scale[nb_input_files] = grow_array(input_files_ts_scale[nb_input_files], sizeof(*input_files_ts_scale[nb_input_files]), &nb_input_files_ts_scale[nb_input_files], stream + 1); input_files_ts_scale[nb_input_files][stream]= scale; }
https://github.com/libav/libav/blob/f4c79d1e0b2e797012304db57903e4091b0c2d7c/ffmpeg.c/#L3057
d2a_code_data_45359
int BN_GF2m_mod_solve_quad_arr(BIGNUM *r, const BIGNUM *a_, const unsigned int p[], BN_CTX *ctx) { int ret = 0, count = 0; unsigned int j; BIGNUM *a, *z, *rho, *w, *w2, *tmp; if (!p[0]) return BN_zero(r); BN_CTX_start(ctx); a = BN_CTX_get(ctx); z = BN_CTX_get(ctx); w = BN_CTX_get(ctx); if (w == NULL) goto err; if (!BN_GF2m_mod_arr(a, a_, p)) goto err; if (BN_is_zero(a)) { ret = BN_zero(r); goto err; } if (p[0] & 0x1) { if (!BN_copy(z, a)) goto err; for (j = 1; j <= (p[0] - 1) / 2; j++) { if (!BN_GF2m_mod_sqr_arr(z, z, p, ctx)) goto err; if (!BN_GF2m_mod_sqr_arr(z, z, p, ctx)) goto err; if (!BN_GF2m_add(z, z, a)) goto err; } } else { rho = BN_CTX_get(ctx); w2 = BN_CTX_get(ctx); tmp = BN_CTX_get(ctx); if (tmp == NULL) goto err; do { if (!BN_rand(rho, p[0], 0, 0)) goto err; if (!BN_GF2m_mod_arr(rho, rho, p)) goto err; if (!BN_zero(z)) goto err; if (!BN_copy(w, rho)) goto err; for (j = 1; j <= p[0] - 1; j++) { if (!BN_GF2m_mod_sqr_arr(z, z, p, ctx)) goto err; if (!BN_GF2m_mod_sqr_arr(w2, w, p, ctx)) goto err; if (!BN_GF2m_mod_mul_arr(tmp, w2, a, p, ctx)) goto err; if (!BN_GF2m_add(z, z, tmp)) goto err; if (!BN_GF2m_add(w, w2, rho)) goto err; } count++; } while (BN_is_zero(w) && (count < MAX_ITERATIONS)); if (BN_is_zero(w)) { BNerr(BN_F_BN_GF2M_MOD_SOLVE_QUAD_ARR,BN_R_TOO_MANY_ITERATIONS); goto err; } } if (!BN_GF2m_mod_sqr_arr(w, z, p, ctx)) goto err; if (!BN_GF2m_add(w, z, w)) goto err; if (BN_GF2m_cmp(w, a)) goto err; if (!BN_copy(r, z)) goto err; bn_check_top(r); ret = 1; err: BN_CTX_end(ctx); return ret; }
https://github.com/openssl/openssl/blob/6defae04f3c44087d9129994fa88b4f9271b153f/crypto/bn/bn_gf2m.c/#L902
d2a_code_data_45360
IMPLEMENT_new_ctx(ofb, OFB, 128)
https://github.com/openssl/openssl/blob/f79858ac4d90a450d0620d1ecb713bc35d7d9f8d/providers/common/ciphers/aes.c/#L300
d2a_code_data_45361
TXT_DB *TXT_DB_read(BIO *in, int num) { TXT_DB *ret = NULL; int esc = 0; long ln = 0; int i, add, n; int size = BUFSIZE; int offset = 0; char *p, *f; OPENSSL_STRING *pp; BUF_MEM *buf = NULL; if ((buf = BUF_MEM_new()) == NULL) goto err; if (!BUF_MEM_grow(buf, size)) goto err; if ((ret = OPENSSL_malloc(sizeof(*ret))) == NULL) goto err; ret->num_fields = num; ret->index = NULL; ret->qual = NULL; if ((ret->data = sk_OPENSSL_PSTRING_new_null()) == NULL) goto err; if ((ret->index = OPENSSL_malloc(sizeof(*ret->index) * num)) == NULL) goto err; if ((ret->qual = OPENSSL_malloc(sizeof(*(ret->qual)) * num)) == NULL) goto err; for (i = 0; i < num; i++) { ret->index[i] = NULL; ret->qual[i] = NULL; } add = (num + 1) * sizeof(char *); buf->data[size - 1] = '\0'; offset = 0; for (;;) { if (offset != 0) { size += BUFSIZE; if (!BUF_MEM_grow_clean(buf, size)) goto err; } buf->data[offset] = '\0'; BIO_gets(in, &(buf->data[offset]), size - offset); ln++; if (buf->data[offset] == '\0') break; if ((offset == 0) && (buf->data[0] == '#')) continue; i = strlen(&(buf->data[offset])); offset += i; if (buf->data[offset - 1] != '\n') continue; else { buf->data[offset - 1] = '\0'; if ((p = OPENSSL_malloc(add + offset)) == NULL) goto err; offset = 0; } pp = (char **)p; p += add; n = 0; pp[n++] = p; i = 0; f = buf->data; esc = 0; for (;;) { if (*f == '\0') break; if (*f == '\t') { if (esc) p--; else { *(p++) = '\0'; f++; if (n >= num) break; pp[n++] = p; continue; } } esc = (*f == '\\'); *(p++) = *(f++); } *(p++) = '\0'; if ((n != num) || (*f != '\0')) { OPENSSL_free(pp); ret->error = DB_ERROR_WRONG_NUM_FIELDS; goto err; } pp[n] = p; if (!sk_OPENSSL_PSTRING_push(ret->data, pp)) { OPENSSL_free(pp); goto err; } } BUF_MEM_free(buf); return ret; err: BUF_MEM_free(buf); if (ret != NULL) { sk_OPENSSL_PSTRING_free(ret->data); OPENSSL_free(ret->index); OPENSSL_free(ret->qual); OPENSSL_free(ret); } return NULL; }
https://github.com/openssl/openssl/blob/a8ca496ddb532d7f7dc356fd2b026697388d2384/crypto/txt_db/txt_db.c/#L103
d2a_code_data_45362
int test_sqr(BIO *bp, BN_CTX *ctx) { BIGNUM *a, *c, *d, *e; int i, ret = 0; a = BN_new(); c = BN_new(); d = BN_new(); e = BN_new(); if (a == NULL || c == NULL || d == NULL || e == NULL) { goto err; } for (i = 0; i < num0; i++) { BN_bntest_rand(a, 40 + i * 10, 0, 0); a->neg = rand_neg(); BN_sqr(c, a, ctx); if (bp != NULL) { if (!results) { BN_print(bp, a); BIO_puts(bp, " * "); BN_print(bp, a); BIO_puts(bp, " - "); } BN_print(bp, c); BIO_puts(bp, "\n"); } BN_div(d, e, c, a, ctx); BN_sub(d, d, a); if (!BN_is_zero(d) || !BN_is_zero(e)) { fprintf(stderr, "Square test failed!\n"); goto err; } } BN_hex2bn(&a, "80000000000000008000000000000001" "FFFFFFFFFFFFFFFE0000000000000000"); BN_sqr(c, a, ctx); if (bp != NULL) { if (!results) { BN_print(bp, a); BIO_puts(bp, " * "); BN_print(bp, a); BIO_puts(bp, " - "); } BN_print(bp, c); BIO_puts(bp, "\n"); } BN_mul(d, a, a, ctx); if (BN_cmp(c, d)) { fprintf(stderr, "Square test failed: BN_sqr and BN_mul produce " "different results!\n"); goto err; } BN_hex2bn(&a, "80000000000000000000000080000001" "FFFFFFFE000000000000000000000000"); BN_sqr(c, a, ctx); if (bp != NULL) { if (!results) { BN_print(bp, a); BIO_puts(bp, " * "); BN_print(bp, a); BIO_puts(bp, " - "); } BN_print(bp, c); BIO_puts(bp, "\n"); } BN_mul(d, a, a, ctx); if (BN_cmp(c, d)) { fprintf(stderr, "Square test failed: BN_sqr and BN_mul produce " "different results!\n"); goto err; } ret = 1; err: BN_free(a); BN_free(c); BN_free(d); BN_free(e); return ret; }
https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/test/bntest.c/#L734
d2a_code_data_45363
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; }
https://github.com/openssl/openssl/blob/440bce8f813fa661437ce52378c3df38e2fd073b/crypto/bn/bn_lib.c/#L295
d2a_code_data_45364
static int decode_header_trees(SmackVContext *smk) { GetBitContext gb; int mmap_size, mclr_size, full_size, type_size; mmap_size = AV_RL32(smk->avctx->extradata); mclr_size = AV_RL32(smk->avctx->extradata + 4); full_size = AV_RL32(smk->avctx->extradata + 8); type_size = AV_RL32(smk->avctx->extradata + 12); init_get_bits(&gb, smk->avctx->extradata + 16, (smk->avctx->extradata_size - 16) * 8); if(!get_bits1(&gb)) { av_log(smk->avctx, AV_LOG_INFO, "Skipping MMAP tree\n"); smk->mmap_tbl = av_malloc(sizeof(int) * 2); if (!smk->mmap_tbl) return AVERROR(ENOMEM); smk->mmap_tbl[0] = 0; smk->mmap_last[0] = smk->mmap_last[1] = smk->mmap_last[2] = 1; } else { if (smacker_decode_header_tree(smk, &gb, &smk->mmap_tbl, smk->mmap_last, mmap_size)) return -1; } if(!get_bits1(&gb)) { av_log(smk->avctx, AV_LOG_INFO, "Skipping MCLR tree\n"); smk->mclr_tbl = av_malloc(sizeof(int) * 2); if (!smk->mclr_tbl) return AVERROR(ENOMEM); smk->mclr_tbl[0] = 0; smk->mclr_last[0] = smk->mclr_last[1] = smk->mclr_last[2] = 1; } else { if (smacker_decode_header_tree(smk, &gb, &smk->mclr_tbl, smk->mclr_last, mclr_size)) return -1; } if(!get_bits1(&gb)) { av_log(smk->avctx, AV_LOG_INFO, "Skipping FULL tree\n"); smk->full_tbl = av_malloc(sizeof(int) * 2); if (!smk->full_tbl) return AVERROR(ENOMEM); smk->full_tbl[0] = 0; smk->full_last[0] = smk->full_last[1] = smk->full_last[2] = 1; } else { if (smacker_decode_header_tree(smk, &gb, &smk->full_tbl, smk->full_last, full_size)) return -1; } if(!get_bits1(&gb)) { av_log(smk->avctx, AV_LOG_INFO, "Skipping TYPE tree\n"); smk->type_tbl = av_malloc(sizeof(int) * 2); if (!smk->type_tbl) return AVERROR(ENOMEM); smk->type_tbl[0] = 0; smk->type_last[0] = smk->type_last[1] = smk->type_last[2] = 1; } else { if (smacker_decode_header_tree(smk, &gb, &smk->type_tbl, smk->type_last, type_size)) return -1; } return 0; }
https://github.com/libav/libav/blob/77ab341c0c6cdf2bd437bb48d429e797d1e60da2/libavcodec/smacker.c/#L306
d2a_code_data_45365
static unsigned int BN_STACK_pop(BN_STACK *st) { return st->indexes[--(st->depth)]; }
https://github.com/openssl/openssl/blob/18e1e302452e6dea4500b6f981cee7e151294dea/crypto/bn/bn_ctx.c/#L268
d2a_code_data_45366
static void copy_flags(BIO *bio) { int flags; BIO *next = BIO_next(bio); flags = BIO_test_flags(next, BIO_FLAGS_SHOULD_RETRY | BIO_FLAGS_RWS); BIO_clear_flags(bio, BIO_FLAGS_SHOULD_RETRY | BIO_FLAGS_RWS); BIO_set_flags(bio, flags); }
https://github.com/openssl/openssl/blob/cbe952418376a25acd872db4281a0b09735001f1/test/ssltestlib.c/#L73
d2a_code_data_45367
static int config_props_output(AVFilterLink *outlink) { AVFilterContext *ctx = outlink->src; TransContext *trans = ctx->priv; AVFilterLink *inlink = ctx->inputs[0]; const AVPixFmtDescriptor *desc_out = av_pix_fmt_desc_get(outlink->format); const AVPixFmtDescriptor *desc_in = av_pix_fmt_desc_get(inlink->format); trans->hsub = desc_in->log2_chroma_w; trans->vsub = desc_in->log2_chroma_h; av_image_fill_max_pixsteps(trans->pixsteps, NULL, desc_out); outlink->w = inlink->h; outlink->h = inlink->w; if (inlink->sample_aspect_ratio.num) outlink->sample_aspect_ratio = av_div_q((AVRational) { 1, 1 }, inlink->sample_aspect_ratio); else outlink->sample_aspect_ratio = inlink->sample_aspect_ratio; av_log(ctx, AV_LOG_VERBOSE, "w:%d h:%d dir:%d -> w:%d h:%d rotation:%s vflip:%d\n", inlink->w, inlink->h, trans->dir, outlink->w, outlink->h, trans->dir == 1 || trans->dir == 3 ? "clockwise" : "counterclockwise", trans->dir == 0 || trans->dir == 3); return 0; }
https://github.com/libav/libav/blob/dc0c70e018f6b04488333e7e26ec26359e614e4e/libavfilter/vf_transpose.c/#L94
d2a_code_data_45368
void BN_consttime_swap(BN_ULONG condition, BIGNUM *a, BIGNUM *b, int nwords) { BN_ULONG t; int i; bn_wcheck_size(a, nwords); bn_wcheck_size(b, nwords); assert(a != b); assert((condition & (condition - 1)) == 0); assert(sizeof(BN_ULONG) >= sizeof(int)); condition = ((condition - 1) >> (BN_BITS2 - 1)) - 1; t = (a->top ^ b->top) & condition; a->top ^= t; b->top ^= t; #define BN_CONSTTIME_SWAP(ind) \ do { \ t = (a->d[ind] ^ b->d[ind]) & condition; \ a->d[ind] ^= t; \ b->d[ind] ^= t; \ } while (0) switch (nwords) { default: for (i = 10; i < nwords; i++) BN_CONSTTIME_SWAP(i); case 10: BN_CONSTTIME_SWAP(9); case 9: BN_CONSTTIME_SWAP(8); case 8: BN_CONSTTIME_SWAP(7); case 7: BN_CONSTTIME_SWAP(6); case 6: BN_CONSTTIME_SWAP(5); case 5: BN_CONSTTIME_SWAP(4); case 4: BN_CONSTTIME_SWAP(3); case 3: BN_CONSTTIME_SWAP(2); case 2: BN_CONSTTIME_SWAP(1); case 1: BN_CONSTTIME_SWAP(0); } #undef BN_CONSTTIME_SWAP }
https://github.com/openssl/openssl/blob/d7c42d71ba407a4b3c26ed58263ae225976bbac3/crypto/bn/bn_lib.c/#L863
d2a_code_data_45369
static unsigned int BN_STACK_pop(BN_STACK *st) { return st->indexes[--(st->depth)]; }
https://github.com/openssl/openssl/blob/10bc3409459a525654d6b986b3cd49d22dd95460/crypto/bn/bn_ctx.c/#L273
d2a_code_data_45370
MSG_PROCESS_RETURN tls_process_cert_verify(SSL *s, PACKET *pkt) { EVP_PKEY *pkey = NULL; unsigned char *sig, *data; int al, ret = MSG_PROCESS_ERROR; int type = 0, j; unsigned int len; X509 *peer; const EVP_MD *md = NULL; long hdatalen = 0; void *hdata; EVP_MD_CTX *mctx = EVP_MD_CTX_new(); if (mctx == NULL) { SSLerr(SSL_F_TLS_PROCESS_CERT_VERIFY, ERR_R_MALLOC_FAILURE); al = SSL_AD_INTERNAL_ERROR; goto f_err; } peer = s->session->peer; pkey = X509_get0_pubkey(peer); type = X509_certificate_type(peer, pkey); if (!(type & EVP_PKT_SIGN)) { SSLerr(SSL_F_TLS_PROCESS_CERT_VERIFY, SSL_R_SIGNATURE_FOR_NON_SIGNING_CERTIFICATE); al = SSL_AD_ILLEGAL_PARAMETER; goto f_err; } #ifndef OPENSSL_NO_GOST if (PACKET_remaining(pkt) == 64 && pkey->type == NID_id_GostR3410_2001) { len = 64; } else #endif { if (SSL_USE_SIGALGS(s)) { int rv; if (!PACKET_get_bytes(pkt, &sig, 2)) { al = SSL_AD_DECODE_ERROR; goto f_err; } rv = tls12_check_peer_sigalg(&md, s, sig, pkey); if (rv == -1) { al = SSL_AD_INTERNAL_ERROR; goto f_err; } else if (rv == 0) { al = SSL_AD_DECODE_ERROR; goto f_err; } #ifdef SSL_DEBUG fprintf(stderr, "USING TLSv1.2 HASH %s\n", EVP_MD_name(md)); #endif } else { int idx = ssl_cert_type(NULL, pkey); if (idx >= 0) md = s->s3->tmp.md[idx]; if (md == NULL) { al = SSL_AD_INTERNAL_ERROR; goto f_err; } } if (!PACKET_get_net_2(pkt, &len)) { SSLerr(SSL_F_TLS_PROCESS_CERT_VERIFY, SSL_R_LENGTH_MISMATCH); al = SSL_AD_DECODE_ERROR; goto f_err; } } j = EVP_PKEY_size(pkey); if (((int)len > j) || ((int)PACKET_remaining(pkt) > j) || (PACKET_remaining(pkt) == 0)) { SSLerr(SSL_F_TLS_PROCESS_CERT_VERIFY, SSL_R_WRONG_SIGNATURE_SIZE); al = SSL_AD_DECODE_ERROR; goto f_err; } if (!PACKET_get_bytes(pkt, &data, len)) { SSLerr(SSL_F_TLS_PROCESS_CERT_VERIFY, SSL_R_LENGTH_MISMATCH); al = SSL_AD_DECODE_ERROR; goto f_err; } hdatalen = BIO_get_mem_data(s->s3->handshake_buffer, &hdata); if (hdatalen <= 0) { SSLerr(SSL_F_TLS_PROCESS_CERT_VERIFY, ERR_R_INTERNAL_ERROR); al = SSL_AD_INTERNAL_ERROR; goto f_err; } #ifdef SSL_DEBUG fprintf(stderr, "Using client verify alg %s\n", EVP_MD_name(md)); #endif if (!EVP_VerifyInit_ex(mctx, md, NULL) || !EVP_VerifyUpdate(mctx, hdata, hdatalen)) { SSLerr(SSL_F_TLS_PROCESS_CERT_VERIFY, ERR_R_EVP_LIB); al = SSL_AD_INTERNAL_ERROR; goto f_err; } #ifndef OPENSSL_NO_GOST if (pkey->type == NID_id_GostR3410_2001 || pkey->type == NID_id_GostR3410_2012_256 || pkey->type == NID_id_GostR3410_2012_512) { BUF_reverse(data, NULL, len); } #endif if (s->version == SSL3_VERSION && !EVP_MD_CTX_ctrl(mctx, EVP_CTRL_SSL3_MASTER_SECRET, s->session->master_key_length, s->session->master_key)) { SSLerr(SSL_F_TLS_PROCESS_CERT_VERIFY, ERR_R_EVP_LIB); al = SSL_AD_INTERNAL_ERROR; goto f_err; } if (EVP_VerifyFinal(mctx, data, len, pkey) <= 0) { al = SSL_AD_DECRYPT_ERROR; SSLerr(SSL_F_TLS_PROCESS_CERT_VERIFY, SSL_R_BAD_SIGNATURE); goto f_err; } ret = MSG_PROCESS_CONTINUE_PROCESSING; if (0) { f_err: ssl3_send_alert(s, SSL3_AL_FATAL, al); ossl_statem_set_error(s); } BIO_free(s->s3->handshake_buffer); s->s3->handshake_buffer = NULL; EVP_MD_CTX_free(mctx); return ret; }
https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/ssl/statem/statem_srvr.c/#L2685
d2a_code_data_45371
static TS_VERIFY_CTX *create_verify_ctx(char *data, char *digest, char *queryfile, char *CApath, char *CAfile, char *untrusted, X509_VERIFY_PARAM *vpm) { TS_VERIFY_CTX *ctx = NULL; BIO *input = NULL; TS_REQ *request = NULL; int ret = 0; int f = 0; if (data != NULL || digest != NULL) { if ((ctx = TS_VERIFY_CTX_new()) == NULL) goto err; f = TS_VFY_VERSION | TS_VFY_SIGNER; if (data != NULL) { f |= TS_VFY_DATA; if (TS_VERIFY_CTX_set_data(ctx, BIO_new_file(data, "rb")) == NULL) goto err; } else if (digest != NULL) { long imprint_len; unsigned char *hexstr = string_to_hex(digest, &imprint_len); f |= TS_VFY_IMPRINT; if (TS_VERIFY_CTX_set_imprint(ctx, hexstr, imprint_len) == NULL) { BIO_printf(bio_err, "invalid digest string\n"); goto err; } } } else if (queryfile != NULL) { if ((input = BIO_new_file(queryfile, "rb")) == NULL) goto err; if ((request = d2i_TS_REQ_bio(input, NULL)) == NULL) goto err; if ((ctx = TS_REQ_to_TS_VERIFY_CTX(request, NULL)) == NULL) goto err; } else return NULL; TS_VERIFY_CTX_add_flags(ctx, f | TS_VFY_SIGNATURE); if (TS_VERIFY_CTX_set_store(ctx, create_cert_store(CApath, CAfile, vpm)) == NULL) goto err; if (untrusted && TS_VERIFY_CTS_set_certs(ctx, TS_CONF_load_certs(untrusted)) == NULL) goto err; ret = 1; err: if (!ret) { TS_VERIFY_CTX_free(ctx); ctx = NULL; } BIO_free_all(input); TS_REQ_free(request); return ctx; }
https://github.com/openssl/openssl/blob/6457615ac82d688a965c9b2cce9611e0559635be/apps/ts.c/#L976
d2a_code_data_45372
void ngx_slab_free_locked(ngx_slab_pool_t *pool, void *p) { size_t size; uintptr_t slab, m, *bitmap; ngx_uint_t n, type, slot, shift, map; ngx_slab_page_t *slots, *page; ngx_log_debug1(NGX_LOG_DEBUG_ALLOC, ngx_cycle->log, 0, "slab free: %p", p); if ((u_char *) p < pool->start || (u_char *) p > pool->end) { ngx_slab_error(pool, NGX_LOG_ALERT, "ngx_slab_free(): outside of pool"); goto fail; } n = ((u_char *) p - pool->start) >> ngx_pagesize_shift; page = &pool->pages[n]; slab = page->slab; type = page->prev & NGX_SLAB_PAGE_MASK; switch (type) { case NGX_SLAB_SMALL: shift = slab & NGX_SLAB_SHIFT_MASK; size = 1 << shift; if ((uintptr_t) p & (size - 1)) { goto wrong_chunk; } n = ((uintptr_t) p & (ngx_pagesize - 1)) >> shift; m = (uintptr_t) 1 << (n & (sizeof(uintptr_t) * 8 - 1)); n /= (sizeof(uintptr_t) * 8); bitmap = (uintptr_t *) ((uintptr_t) p & ~(ngx_pagesize - 1)); if (bitmap[n] & m) { if (page->next == NULL) { slots = (ngx_slab_page_t *) ((u_char *) pool + sizeof(ngx_slab_pool_t)); slot = shift - pool->min_shift; page->next = slots[slot].next; slots[slot].next = page; page->prev = (uintptr_t) &slots[slot] | NGX_SLAB_SMALL; page->next->prev = (uintptr_t) page | NGX_SLAB_SMALL; } bitmap[n] &= ~m; n = (1 << (ngx_pagesize_shift - shift)) / 8 / (1 << shift); if (n == 0) { n = 1; } if (bitmap[0] & ~(((uintptr_t) 1 << n) - 1)) { goto done; } map = (1 << (ngx_pagesize_shift - shift)) / (sizeof(uintptr_t) * 8); for (n = 1; n < map; n++) { if (bitmap[n]) { goto done; } } ngx_slab_free_pages(pool, page, 1); goto done; } goto chunk_already_free; case NGX_SLAB_EXACT: m = (uintptr_t) 1 << (((uintptr_t) p & (ngx_pagesize - 1)) >> ngx_slab_exact_shift); size = ngx_slab_exact_size; if ((uintptr_t) p & (size - 1)) { goto wrong_chunk; } if (slab & m) { if (slab == NGX_SLAB_BUSY) { slots = (ngx_slab_page_t *) ((u_char *) pool + sizeof(ngx_slab_pool_t)); slot = ngx_slab_exact_shift - pool->min_shift; page->next = slots[slot].next; slots[slot].next = page; page->prev = (uintptr_t) &slots[slot] | NGX_SLAB_EXACT; page->next->prev = (uintptr_t) page | NGX_SLAB_EXACT; } page->slab &= ~m; if (page->slab) { goto done; } ngx_slab_free_pages(pool, page, 1); goto done; } goto chunk_already_free; case NGX_SLAB_BIG: shift = slab & NGX_SLAB_SHIFT_MASK; size = 1 << shift; if ((uintptr_t) p & (size - 1)) { goto wrong_chunk; } m = (uintptr_t) 1 << ((((uintptr_t) p & (ngx_pagesize - 1)) >> shift) + NGX_SLAB_MAP_SHIFT); if (slab & m) { if (page->next == NULL) { slots = (ngx_slab_page_t *) ((u_char *) pool + sizeof(ngx_slab_pool_t)); slot = shift - pool->min_shift; page->next = slots[slot].next; slots[slot].next = page; page->prev = (uintptr_t) &slots[slot] | NGX_SLAB_BIG; page->next->prev = (uintptr_t) page | NGX_SLAB_BIG; } page->slab &= ~m; if (page->slab & NGX_SLAB_MAP_MASK) { goto done; } ngx_slab_free_pages(pool, page, 1); goto done; } goto chunk_already_free; case NGX_SLAB_PAGE: if ((uintptr_t) p & (ngx_pagesize - 1)) { goto wrong_chunk; } if (slab == NGX_SLAB_PAGE_FREE) { ngx_slab_error(pool, NGX_LOG_ALERT, "ngx_slab_free(): page is already free"); goto fail; } if (slab == NGX_SLAB_PAGE_BUSY) { ngx_slab_error(pool, NGX_LOG_ALERT, "ngx_slab_free(): pointer to wrong page"); goto fail; } n = ((u_char *) p - pool->start) >> ngx_pagesize_shift; size = slab & ~NGX_SLAB_PAGE_START; ngx_slab_free_pages(pool, &pool->pages[n], size); ngx_slab_junk(p, size << ngx_pagesize_shift); return; } return; done: ngx_slab_junk(p, size); return; wrong_chunk: ngx_slab_error(pool, NGX_LOG_ALERT, "ngx_slab_free(): pointer to wrong chunk"); goto fail; chunk_already_free: ngx_slab_error(pool, NGX_LOG_ALERT, "ngx_slab_free(): chunk is already free"); fail: return; }
https://github.com/nginx/nginx/blob/e4ecddfdb0d2ffc872658e36028971ad9a873726/src/core/ngx_slab.c/#L464
d2a_code_data_45373
int test_gf2m_add(BIO *bp) { BIGNUM *a, *b, *c; int i, ret = 0; a = BN_new(); b = BN_new(); c = BN_new(); for (i = 0; i < num0; i++) { BN_rand(a, 512, 0, 0); BN_copy(b, BN_value_one()); a->neg = rand_neg(); b->neg = rand_neg(); BN_GF2m_add(c, a, b); if ((BN_is_odd(a) && BN_is_odd(c)) || (!BN_is_odd(a) && !BN_is_odd(c))) { fprintf(stderr, "GF(2^m) addition test (a) failed!\n"); goto err; } BN_GF2m_add(c, c, c); if (!BN_is_zero(c)) { fprintf(stderr, "GF(2^m) addition test (b) failed!\n"); goto err; } } ret = 1; err: BN_free(a); BN_free(b); BN_free(c); return ret; }
https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/test/bntest.c/#L1263
d2a_code_data_45374
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; }
https://github.com/nginx/nginx/blob/e4ecddfdb0d2ffc872658e36028971ad9a873726/src/core/ngx_string.c/#L244
d2a_code_data_45375
static inline int pred_non_zero_count(H264Context *h, int n){ const int index8= scan8[n]; const int left= h->non_zero_count_cache[index8 - 1]; const int top = h->non_zero_count_cache[index8 - 8]; int i= left + top; if(i<64) i= (i+1)>>1; tprintf(h->s.avctx, "pred_nnz L%X T%X n%d s%d P%X\n", left, top, n, scan8[n], i&31); return i&31; }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/h264.c/#L679
d2a_code_data_45376
int BN_hex2bn(BIGNUM **bn, const char *a) { BIGNUM *ret = NULL; BN_ULONG l = 0; int neg = 0, h, m, i, j, k, c; int num; if ((a == NULL) || (*a == '\0')) return (0); if (*a == '-') { neg = 1; a++; } for (i = 0; i <= (INT_MAX/4) && isxdigit((unsigned char)a[i]); i++) continue; if (i == 0 || i > INT_MAX/4) goto err; num = i + neg; if (bn == NULL) return (num); if (*bn == NULL) { if ((ret = BN_new()) == NULL) return (0); } else { ret = *bn; BN_zero(ret); } if (bn_expand(ret, i * 4) == NULL) goto err; j = i; m = 0; h = 0; while (j > 0) { m = ((BN_BYTES * 2) <= j) ? (BN_BYTES * 2) : j; l = 0; for (;;) { c = a[j - m]; k = OPENSSL_hexchar2int(c); if (k < 0) k = 0; l = (l << 4) | k; if (--m <= 0) { ret->d[h++] = l; break; } } j -= (BN_BYTES * 2); } ret->top = h; bn_correct_top(ret); *bn = ret; bn_check_top(ret); if (ret->top != 0) ret->neg = neg; return (num); err: if (*bn == NULL) BN_free(ret); return (0); }
https://github.com/openssl/openssl/blob/3f97052392cb10fca5309212bf720685262ad4a6/crypto/bn/bn_print.c/#L139
d2a_code_data_45377
int ff_h264_find_frame_end(H264Context *h, const uint8_t *buf, int buf_size) { int i; uint32_t state; ParseContext *pc = &(h->s.parse_context); state= pc->state; if(state>13) state= 7; for(i=0; i<buf_size; i++){ if(state==7){ for(; i<buf_size; i++){ if(!buf[i]){ state=2; break; } } }else if(state<=2){ if(buf[i]==1) state^= 5; else if(buf[i]) state = 7; else state>>=1; }else if(state<=5){ int v= buf[i] & 0x1F; if(v==7 || v==8 || v==9){ if(pc->frame_start_found){ i++; found: pc->state=7; pc->frame_start_found= 0; return i-(state&5); } }else if(v==1 || v==2 || v==5){ if(pc->frame_start_found){ state+=8; continue; }else pc->frame_start_found = 1; } state= 7; }else{ if(buf[i] & 0x80) goto found; state= 7; } } pc->state= state; return END_NOT_FOUND; }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/h264_parser.c/#L65
d2a_code_data_45378
static int read_sl_header(PESContext *pes, SLConfigDescr *sl, const uint8_t *buf, int buf_size) { GetBitContext gb; int au_start_flag = 0, au_end_flag = 0, ocr_flag = 0, idle_flag = 0; int padding_flag = 0, padding_bits = 0, inst_bitrate_flag = 0; int dts_flag = -1, cts_flag = -1; int64_t dts = AV_NOPTS_VALUE, cts = AV_NOPTS_VALUE; init_get_bits(&gb, buf, buf_size * 8); if (sl->use_au_start) au_start_flag = get_bits1(&gb); if (sl->use_au_end) au_end_flag = get_bits1(&gb); if (!sl->use_au_start && !sl->use_au_end) au_start_flag = au_end_flag = 1; if (sl->ocr_len > 0) ocr_flag = get_bits1(&gb); if (sl->use_idle) idle_flag = get_bits1(&gb); if (sl->use_padding) padding_flag = get_bits1(&gb); if (padding_flag) padding_bits = get_bits(&gb, 3); if (!idle_flag && (!padding_flag || padding_bits != 0)) { if (sl->packet_seq_num_len) skip_bits_long(&gb, sl->packet_seq_num_len); if (sl->degr_prior_len) if (get_bits1(&gb)) skip_bits(&gb, sl->degr_prior_len); if (ocr_flag) skip_bits_long(&gb, sl->ocr_len); if (au_start_flag) { if (sl->use_rand_acc_pt) get_bits1(&gb); if (sl->au_seq_num_len > 0) skip_bits_long(&gb, sl->au_seq_num_len); if (sl->use_timestamps) { dts_flag = get_bits1(&gb); cts_flag = get_bits1(&gb); } } if (sl->inst_bitrate_len) inst_bitrate_flag = get_bits1(&gb); if (dts_flag == 1) dts = get_bits64(&gb, sl->timestamp_len); if (cts_flag == 1) cts = get_bits64(&gb, sl->timestamp_len); if (sl->au_len > 0) skip_bits_long(&gb, sl->au_len); if (inst_bitrate_flag) skip_bits_long(&gb, sl->inst_bitrate_len); } if (dts != AV_NOPTS_VALUE) pes->dts = dts; if (cts != AV_NOPTS_VALUE) pes->pts = cts; if (sl->timestamp_len && sl->timestamp_res) avpriv_set_pts_info(pes->st, sl->timestamp_len, 1, sl->timestamp_res); return (get_bits_count(&gb) + 7) >> 3; }
https://github.com/libav/libav/blob/77ab341c0c6cdf2bd437bb48d429e797d1e60da2/libavformat/mpegts.c/#L747
d2a_code_data_45379
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; }
https://github.com/openssl/openssl/blob/49cd47eaababc8c57871b929080fc1357e2ad7b8/crypto/bn/bn_lib.c/#L233
d2a_code_data_45380
static void build_file_streams(void) { FFStream *stream, *stream_next; int i, ret; for(stream = first_stream; stream != NULL; stream = stream_next) { AVFormatContext *infile = NULL; stream_next = stream->next; if (stream->stream_type == STREAM_TYPE_LIVE && !stream->feed) { if (stream->fmt && !strcmp(stream->fmt->name, "rtp")) { av_dict_set(&stream->in_opts, "mpeg2ts_compute_pcr", "1", 0); } http_log("Opening file '%s'\n", stream->feed_filename); if ((ret = avformat_open_input(&infile, stream->feed_filename, stream->ifmt, &stream->in_opts)) < 0) { http_log("Could not open '%s': %d\n", stream->feed_filename, ret); fail: remove_stream(stream); } else { if (avformat_find_stream_info(infile, NULL) < 0) { http_log("Could not find codec parameters from '%s'\n", stream->feed_filename); avformat_close_input(&infile); goto fail; } extract_mpeg4_header(infile); for(i=0;i<infile->nb_streams;i++) add_av_stream1(stream, infile->streams[i]->codec, 1); avformat_close_input(&infile); } } } }
https://github.com/libav/libav/blob/e46ad30a808744ddf3855567e162292a4eaabac7/avserver.c/#L3617
d2a_code_data_45381
static unsigned int BN_STACK_pop(BN_STACK *st) { return st->indexes[--(st->depth)]; }
https://github.com/openssl/openssl/blob/0282aeb690d63fab73a07191b63300a2fe30d212/crypto/bn/bn_ctx.c/#L273
d2a_code_data_45382
void ssl3_cbc_digest_record(const EVP_MD_CTX *ctx, unsigned char *md_out, size_t *md_out_size, const unsigned char header[13], const unsigned char *data, size_t data_plus_mac_size, size_t data_plus_mac_plus_padding_size, const unsigned char *mac_secret, unsigned mac_secret_length, char is_sslv3) { union { double align; unsigned char c[sizeof(LARGEST_DIGEST_CTX)]; } md_state; void (*md_final_raw) (void *ctx, unsigned char *md_out); void (*md_transform) (void *ctx, const unsigned char *block); unsigned md_size, md_block_size = 64; unsigned sslv3_pad_length = 40, header_length, variance_blocks, len, max_mac_bytes, num_blocks, num_starting_blocks, k, mac_end_offset, c, index_a, index_b; unsigned int bits; unsigned char length_bytes[MAX_HASH_BIT_COUNT_BYTES]; unsigned char hmac_pad[MAX_HASH_BLOCK_SIZE]; unsigned char first_block[MAX_HASH_BLOCK_SIZE]; unsigned char mac_out[EVP_MAX_MD_SIZE]; unsigned i, j, md_out_size_u; EVP_MD_CTX md_ctx; unsigned md_length_size = 8; char length_is_big_endian = 1; int ret; OPENSSL_assert(data_plus_mac_plus_padding_size < 1024 * 1024); switch (EVP_MD_CTX_type(ctx)) { case NID_md5: MD5_Init((MD5_CTX *)md_state.c); md_final_raw = tls1_md5_final_raw; md_transform = (void (*)(void *ctx, const unsigned char *block))MD5_Transform; md_size = 16; sslv3_pad_length = 48; length_is_big_endian = 0; break; case NID_sha1: SHA1_Init((SHA_CTX *)md_state.c); md_final_raw = tls1_sha1_final_raw; md_transform = (void (*)(void *ctx, const unsigned char *block))SHA1_Transform; md_size = 20; break; #ifndef OPENSSL_NO_SHA256 case NID_sha224: SHA224_Init((SHA256_CTX *)md_state.c); md_final_raw = tls1_sha256_final_raw; md_transform = (void (*)(void *ctx, const unsigned char *block))SHA256_Transform; md_size = 224 / 8; break; case NID_sha256: SHA256_Init((SHA256_CTX *)md_state.c); md_final_raw = tls1_sha256_final_raw; md_transform = (void (*)(void *ctx, const unsigned char *block))SHA256_Transform; md_size = 32; break; #endif #ifndef OPENSSL_NO_SHA512 case NID_sha384: SHA384_Init((SHA512_CTX *)md_state.c); md_final_raw = tls1_sha512_final_raw; md_transform = (void (*)(void *ctx, const unsigned char *block))SHA512_Transform; md_size = 384 / 8; md_block_size = 128; md_length_size = 16; break; case NID_sha512: SHA512_Init((SHA512_CTX *)md_state.c); md_final_raw = tls1_sha512_final_raw; md_transform = (void (*)(void *ctx, const unsigned char *block))SHA512_Transform; md_size = 64; md_block_size = 128; md_length_size = 16; break; #endif default: OPENSSL_assert(0); if (md_out_size) *md_out_size = -1; return; } OPENSSL_assert(md_length_size <= MAX_HASH_BIT_COUNT_BYTES); OPENSSL_assert(md_block_size <= MAX_HASH_BLOCK_SIZE); OPENSSL_assert(md_size <= EVP_MAX_MD_SIZE); header_length = 13; if (is_sslv3) { header_length = mac_secret_length + sslv3_pad_length + 8 + 1 + 2 ; } variance_blocks = is_sslv3 ? 2 : 6; len = data_plus_mac_plus_padding_size + header_length; max_mac_bytes = len - md_size - 1; num_blocks = (max_mac_bytes + 1 + md_length_size + md_block_size - 1) / md_block_size; num_starting_blocks = 0; k = 0; mac_end_offset = data_plus_mac_size + header_length - md_size; c = mac_end_offset % md_block_size; index_a = mac_end_offset / md_block_size; index_b = (mac_end_offset + md_length_size) / md_block_size; if (num_blocks > variance_blocks + (is_sslv3 ? 1 : 0)) { num_starting_blocks = num_blocks - variance_blocks; k = md_block_size * num_starting_blocks; } bits = 8 * mac_end_offset; if (!is_sslv3) { bits += 8 * md_block_size; memset(hmac_pad, 0, md_block_size); OPENSSL_assert(mac_secret_length <= sizeof(hmac_pad)); memcpy(hmac_pad, mac_secret, mac_secret_length); for (i = 0; i < md_block_size; i++) hmac_pad[i] ^= 0x36; md_transform(md_state.c, hmac_pad); } if (length_is_big_endian) { memset(length_bytes, 0, md_length_size - 4); length_bytes[md_length_size - 4] = (unsigned char)(bits >> 24); length_bytes[md_length_size - 3] = (unsigned char)(bits >> 16); length_bytes[md_length_size - 2] = (unsigned char)(bits >> 8); length_bytes[md_length_size - 1] = (unsigned char)bits; } else { memset(length_bytes, 0, md_length_size); length_bytes[md_length_size - 5] = (unsigned char)(bits >> 24); length_bytes[md_length_size - 6] = (unsigned char)(bits >> 16); length_bytes[md_length_size - 7] = (unsigned char)(bits >> 8); length_bytes[md_length_size - 8] = (unsigned char)bits; } if (k > 0) { if (is_sslv3) { unsigned overhang = header_length - md_block_size; md_transform(md_state.c, header); memcpy(first_block, header + md_block_size, overhang); memcpy(first_block + overhang, data, md_block_size - overhang); md_transform(md_state.c, first_block); for (i = 1; i < k / md_block_size - 1; i++) md_transform(md_state.c, data + md_block_size * i - overhang); } else { memcpy(first_block, header, 13); memcpy(first_block + 13, data, md_block_size - 13); md_transform(md_state.c, first_block); for (i = 1; i < k / md_block_size; i++) md_transform(md_state.c, data + md_block_size * i - 13); } } memset(mac_out, 0, sizeof(mac_out)); for (i = num_starting_blocks; i <= num_starting_blocks + variance_blocks; i++) { unsigned char block[MAX_HASH_BLOCK_SIZE]; unsigned char is_block_a = constant_time_eq_8(i, index_a); unsigned char is_block_b = constant_time_eq_8(i, index_b); for (j = 0; j < md_block_size; j++) { unsigned char b = 0, is_past_c, is_past_cp1; if (k < header_length) b = header[k]; else if (k < data_plus_mac_plus_padding_size + header_length) b = data[k - header_length]; k++; is_past_c = is_block_a & constant_time_ge_8(j, c); is_past_cp1 = is_block_a & constant_time_ge_8(j, c + 1); b = constant_time_select_8(is_past_c, 0x80, b); b = b & ~is_past_cp1; b &= ~is_block_b | is_block_a; if (j >= md_block_size - md_length_size) { b = constant_time_select_8(is_block_b, length_bytes[j - (md_block_size - md_length_size)], b); } block[j] = b; } md_transform(md_state.c, block); md_final_raw(md_state.c, block); for (j = 0; j < md_size; j++) mac_out[j] |= block[j] & is_block_b; } EVP_MD_CTX_init(&md_ctx); EVP_DigestInit_ex(&md_ctx, ctx->digest, NULL ); if (is_sslv3) { memset(hmac_pad, 0x5c, sslv3_pad_length); EVP_DigestUpdate(&md_ctx, mac_secret, mac_secret_length); EVP_DigestUpdate(&md_ctx, hmac_pad, sslv3_pad_length); EVP_DigestUpdate(&md_ctx, mac_out, md_size); } else { for (i = 0; i < md_block_size; i++) hmac_pad[i] ^= 0x6a; EVP_DigestUpdate(&md_ctx, hmac_pad, md_block_size); EVP_DigestUpdate(&md_ctx, mac_out, md_size); } ret = EVP_DigestFinal(&md_ctx, md_out, &md_out_size_u); if (ret && md_out_size) *md_out_size = md_out_size_u; EVP_MD_CTX_cleanup(&md_ctx); }
https://github.com/openssl/openssl/blob/9c46f4b9cd4912b61cb546c48b678488d7f26ed6/ssl/s3_cbc.c/#L644
d2a_code_data_45383
static int opt_preset(const char *opt, const char *arg) { FILE *f=NULL; char filename[1000], tmp[1000], tmp2[1000], line[1000]; char *codec_name = *opt == 'v' ? video_codec_name : *opt == 'a' ? audio_codec_name : subtitle_codec_name; if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) { fprintf(stderr, "File for preset '%s' not found\n", arg); ffmpeg_exit(1); } while(!feof(f)){ int e= fscanf(f, "%999[^\n]\n", line) - 1; if(line[0] == '#' && !e) continue; e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2; if(e){ fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line); ffmpeg_exit(1); } if(!strcmp(tmp, "acodec")){ opt_audio_codec(tmp2); }else if(!strcmp(tmp, "vcodec")){ opt_video_codec(tmp2); }else if(!strcmp(tmp, "scodec")){ opt_subtitle_codec(tmp2); }else if(!strcmp(tmp, "dcodec")){ opt_data_codec(tmp2); }else if(opt_default(tmp, tmp2) < 0){ fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2); ffmpeg_exit(1); } } fclose(f); return 0; }
https://github.com/libav/libav/blob/5da116a3fde9013846bd7b385cdde5ce2951869c/ffmpeg.c/#L4194
d2a_code_data_45384
static inline int w_c(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, int w, int h, int type){ int s, i, j; const int dec_count= w==8 ? 3 : 4; int tmp[32*32]; int level, ori; static const int scale[2][2][4][4]={ { { {268, 239, 239, 213}, { 0, 224, 224, 152}, { 0, 135, 135, 110}, },{ {344, 310, 310, 280}, { 0, 320, 320, 228}, { 0, 175, 175, 136}, { 0, 129, 129, 102}, } },{ { {275, 245, 245, 218}, { 0, 230, 230, 156}, { 0, 138, 138, 113}, },{ {352, 317, 317, 286}, { 0, 328, 328, 233}, { 0, 180, 180, 140}, { 0, 132, 132, 105}, } } }; for (i = 0; i < h; i++) { for (j = 0; j < w; j+=4) { tmp[32*i+j+0] = (pix1[j+0] - pix2[j+0])<<4; tmp[32*i+j+1] = (pix1[j+1] - pix2[j+1])<<4; tmp[32*i+j+2] = (pix1[j+2] - pix2[j+2])<<4; tmp[32*i+j+3] = (pix1[j+3] - pix2[j+3])<<4; } pix1 += line_size; pix2 += line_size; } ff_spatial_dwt(tmp, w, h, 32, type, dec_count); s=0; assert(w==h); for(level=0; level<dec_count; level++){ for(ori= level ? 1 : 0; ori<4; ori++){ int size= w>>(dec_count-level); int sx= (ori&1) ? size : 0; int stride= 32<<(dec_count-level); int sy= (ori&2) ? stride>>1 : 0; for(i=0; i<size; i++){ for(j=0; j<size; j++){ int v= tmp[sx + sy + i*stride + j] * scale[type][dec_count-3][level][ori]; s += FFABS(v); } } } } assert(s>=0); return s>>9; }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/dsputil.c/#L376
d2a_code_data_45385
static int epzs_motion_search4(MpegEncContext * s, int *mx_ptr, int *my_ptr, int P[10][2], int src_index, int ref_index, int16_t (*last_mv)[2], int ref_mv_scale) { MotionEstContext * const c= &s->me; int best[2]={0, 0}; int d, dmin; int map_generation; const int penalty_factor= c->penalty_factor; const int size=1; const int h=8; const int ref_mv_stride= s->mb_stride; const int ref_mv_xy= s->mb_x + s->mb_y *ref_mv_stride; me_cmp_func cmpf, chroma_cmpf; LOAD_COMMON int flags= c->flags; LOAD_COMMON2 cmpf= s->dsp.me_cmp[size]; chroma_cmpf= s->dsp.me_cmp[size+1]; map_generation= update_map_generation(c); dmin = 1000000; if (s->first_slice_line) { CHECK_MV(P_LEFT[0]>>shift, P_LEFT[1]>>shift) CHECK_CLIPPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16, (last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16) CHECK_MV(P_MV1[0]>>shift, P_MV1[1]>>shift) }else{ CHECK_MV(P_MV1[0]>>shift, P_MV1[1]>>shift) CHECK_MV(P_MEDIAN[0]>>shift, P_MEDIAN[1]>>shift) CHECK_MV(P_LEFT[0]>>shift, P_LEFT[1]>>shift) CHECK_MV(P_TOP[0]>>shift, P_TOP[1]>>shift) CHECK_MV(P_TOPRIGHT[0]>>shift, P_TOPRIGHT[1]>>shift) CHECK_CLIPPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16, (last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16) } if(dmin>64*4){ CHECK_CLIPPED_MV((last_mv[ref_mv_xy+1][0]*ref_mv_scale + (1<<15))>>16, (last_mv[ref_mv_xy+1][1]*ref_mv_scale + (1<<15))>>16) if(s->mb_y+1<s->end_mb_y) CHECK_CLIPPED_MV((last_mv[ref_mv_xy+ref_mv_stride][0]*ref_mv_scale + (1<<15))>>16, (last_mv[ref_mv_xy+ref_mv_stride][1]*ref_mv_scale + (1<<15))>>16) } dmin= diamond_search(s, best, dmin, src_index, ref_index, penalty_factor, size, h, flags); *mx_ptr= best[0]; *my_ptr= best[1]; return dmin; }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/motion_est_template.c/#L1167
d2a_code_data_45386
static int opt_preset(const char *opt, const char *arg) { FILE *f=NULL; char filename[1000], tmp[1000], tmp2[1000], line[1000]; char *codec_name = *opt == 'v' ? video_codec_name : *opt == 'a' ? audio_codec_name : subtitle_codec_name; if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) { fprintf(stderr, "File for preset '%s' not found\n", arg); ffmpeg_exit(1); } while(!feof(f)){ int e= fscanf(f, "%999[^\n]\n", line) - 1; if(line[0] == '#' && !e) continue; e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2; if(e){ fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line); ffmpeg_exit(1); } if(!strcmp(tmp, "acodec")){ opt_audio_codec(tmp2); }else if(!strcmp(tmp, "vcodec")){ opt_video_codec(tmp2); }else if(!strcmp(tmp, "scodec")){ opt_subtitle_codec(tmp2); }else if(opt_default(tmp, tmp2) < 0){ fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2); ffmpeg_exit(1); } } fclose(f); return 0; }
https://github.com/libav/libav/blob/f4c79d1e0b2e797012304db57903e4091b0c2d7c/ffmpeg.c/#L4152
d2a_code_data_45387
int av_new_packet(AVPacket *pkt, int size) { uint8_t *data; if((unsigned)size > (unsigned)size + FF_INPUT_BUFFER_PADDING_SIZE) return AVERROR(ENOMEM); data = av_malloc(size + FF_INPUT_BUFFER_PADDING_SIZE); if (!data) return AVERROR(ENOMEM); memset(data + size, 0, FF_INPUT_BUFFER_PADDING_SIZE); av_init_packet(pkt); pkt->data = data; pkt->size = size; pkt->destruct = av_destruct_packet; return 0; }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavformat/utils.c/#L210
d2a_code_data_45388
static av_always_inline int cmp(MpegEncContext *s, const int x, const int y, const int subx, const int suby, const int size, const int h, int ref_index, int src_index, me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){ MotionEstContext * const c= &s->me; const int stride= c->stride; const int uvstride= c->uvstride; const int qpel= flags&FLAG_QPEL; const int chroma= flags&FLAG_CHROMA; const int dxy= subx + (suby<<(1+qpel)); const int hx= subx + (x<<(1+qpel)); const int hy= suby + (y<<(1+qpel)); uint8_t * const * const ref= c->ref[ref_index]; uint8_t * const * const src= c->src[src_index]; int d; if(flags&FLAG_DIRECT){ assert(x >= c->xmin && hx <= c->xmax<<(qpel+1) && y >= c->ymin && hy <= c->ymax<<(qpel+1)); if(x >= c->xmin && hx <= c->xmax<<(qpel+1) && y >= c->ymin && hy <= c->ymax<<(qpel+1)){ const int time_pp= s->pp_time; const int time_pb= s->pb_time; const int mask= 2*qpel+1; if(s->mv_type==MV_TYPE_8X8){ int i; for(i=0; i<4; i++){ int fx = c->direct_basis_mv[i][0] + hx; int fy = c->direct_basis_mv[i][1] + hy; int bx = hx ? fx - c->co_located_mv[i][0] : c->co_located_mv[i][0]*(time_pb - time_pp)/time_pp + ((i &1)<<(qpel+4)); int by = hy ? fy - c->co_located_mv[i][1] : c->co_located_mv[i][1]*(time_pb - time_pp)/time_pp + ((i>>1)<<(qpel+4)); int fxy= (fx&mask) + ((fy&mask)<<(qpel+1)); int bxy= (bx&mask) + ((by&mask)<<(qpel+1)); uint8_t *dst= c->temp + 8*(i&1) + 8*stride*(i>>1); if(qpel){ c->qpel_put[1][fxy](dst, ref[0] + (fx>>2) + (fy>>2)*stride, stride); c->qpel_avg[1][bxy](dst, ref[8] + (bx>>2) + (by>>2)*stride, stride); }else{ c->hpel_put[1][fxy](dst, ref[0] + (fx>>1) + (fy>>1)*stride, stride, 8); c->hpel_avg[1][bxy](dst, ref[8] + (bx>>1) + (by>>1)*stride, stride, 8); } } }else{ int fx = c->direct_basis_mv[0][0] + hx; int fy = c->direct_basis_mv[0][1] + hy; int bx = hx ? fx - c->co_located_mv[0][0] : (c->co_located_mv[0][0]*(time_pb - time_pp)/time_pp); int by = hy ? fy - c->co_located_mv[0][1] : (c->co_located_mv[0][1]*(time_pb - time_pp)/time_pp); int fxy= (fx&mask) + ((fy&mask)<<(qpel+1)); int bxy= (bx&mask) + ((by&mask)<<(qpel+1)); if(qpel){ c->qpel_put[1][fxy](c->temp , ref[0] + (fx>>2) + (fy>>2)*stride , stride); c->qpel_put[1][fxy](c->temp + 8 , ref[0] + (fx>>2) + (fy>>2)*stride + 8 , stride); c->qpel_put[1][fxy](c->temp + 8*stride, ref[0] + (fx>>2) + (fy>>2)*stride + 8*stride, stride); c->qpel_put[1][fxy](c->temp + 8 + 8*stride, ref[0] + (fx>>2) + (fy>>2)*stride + 8 + 8*stride, stride); c->qpel_avg[1][bxy](c->temp , ref[8] + (bx>>2) + (by>>2)*stride , stride); c->qpel_avg[1][bxy](c->temp + 8 , ref[8] + (bx>>2) + (by>>2)*stride + 8 , stride); c->qpel_avg[1][bxy](c->temp + 8*stride, ref[8] + (bx>>2) + (by>>2)*stride + 8*stride, stride); c->qpel_avg[1][bxy](c->temp + 8 + 8*stride, ref[8] + (bx>>2) + (by>>2)*stride + 8 + 8*stride, stride); }else{ assert((fx>>1) + 16*s->mb_x >= -16); assert((fy>>1) + 16*s->mb_y >= -16); assert((fx>>1) + 16*s->mb_x <= s->width); assert((fy>>1) + 16*s->mb_y <= s->height); assert((bx>>1) + 16*s->mb_x >= -16); assert((by>>1) + 16*s->mb_y >= -16); assert((bx>>1) + 16*s->mb_x <= s->width); assert((by>>1) + 16*s->mb_y <= s->height); c->hpel_put[0][fxy](c->temp, ref[0] + (fx>>1) + (fy>>1)*stride, stride, 16); c->hpel_avg[0][bxy](c->temp, ref[8] + (bx>>1) + (by>>1)*stride, stride, 16); } } d = cmp_func(s, c->temp, src[0], stride, 16); }else d= 256*256*256*32; }else{ int uvdxy; if(dxy){ if(qpel){ c->qpel_put[size][dxy](c->temp, ref[0] + x + y*stride, stride); if(chroma){ int cx= hx/2; int cy= hy/2; cx= (cx>>1)|(cx&1); cy= (cy>>1)|(cy&1); uvdxy= (cx&1) + 2*(cy&1); } }else{ c->hpel_put[size][dxy](c->temp, ref[0] + x + y*stride, stride, h); if(chroma) uvdxy= dxy | (x&1) | (2*(y&1)); } d = cmp_func(s, c->temp, src[0], stride, h); }else{ d = cmp_func(s, src[0], ref[0] + x + y*stride, stride, h); if(chroma) uvdxy= (x&1) + 2*(y&1); } if(chroma){ uint8_t * const uvtemp= c->temp + 16*stride; c->hpel_put[size+1][uvdxy](uvtemp , ref[1] + (x>>1) + (y>>1)*uvstride, uvstride, h>>1); c->hpel_put[size+1][uvdxy](uvtemp+8, ref[2] + (x>>1) + (y>>1)*uvstride, uvstride, h>>1); d += chroma_cmp_func(s, uvtemp , src[1], uvstride, h>>1); d += chroma_cmp_func(s, uvtemp+8, src[2], uvstride, h>>1); } } #if 0 if(full_pel){ const int index= (((y)<<ME_MAP_SHIFT) + (x))&(ME_MAP_SIZE-1); score_map[index]= d; } d += (c->mv_penalty[hx - c->pred_x] + c->mv_penalty[hy - c->pred_y])*c->penalty_factor; #endif return d; }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/motion_est.c/#L176
d2a_code_data_45389
size_t CRYPTO_128_unwrap_pad(void *key, const unsigned char *icv, unsigned char *out, const unsigned char *in, size_t inlen, block128_f block) { size_t n = inlen / 8 - 1; size_t padded_len; size_t padding_len; size_t ptext_len; unsigned char aiv[8]; static unsigned char zeros[8] = {0x0}; size_t ret; if ((inlen & 0x7) != 0 || inlen < 16 || inlen >= CRYPTO128_WRAP_MAX) return 0; memmove(out, in, inlen); if (inlen == 16) { block(out, out, key); memcpy(aiv, out, 8); memmove(out, out + 8, 8); padded_len = 8; } else { padded_len = inlen - 8; ret = crypto_128_unwrap_raw(key, aiv, out, out, inlen, block); if (padded_len != ret) { OPENSSL_cleanse(out, inlen); return 0; } } if ((!icv && CRYPTO_memcmp(aiv, default_aiv, 4)) || (icv && CRYPTO_memcmp(aiv, icv, 4))) { OPENSSL_cleanse(out, inlen); return 0; } ptext_len = (aiv[4] << 24) | (aiv[5] << 16) | (aiv[6] << 8) | aiv[7]; if (8*(n-1) >= ptext_len || ptext_len > 8*n) { OPENSSL_cleanse(out, inlen); return 0; } padding_len = padded_len - ptext_len; if (CRYPTO_memcmp(out + ptext_len, zeros, padding_len) != 0) { OPENSSL_cleanse(out, inlen); return 0; } return ptext_len; }
https://github.com/openssl/openssl/blob/50bba6852df4d978d0b15ca8a087c6b0ac1a6e87/crypto/modes/wrap128.c/#L302
d2a_code_data_45390
void *OPENSSL_LH_delete(OPENSSL_LHASH *lh, const void *data) { unsigned long hash; OPENSSL_LH_NODE *nn, **rn; 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 (ret); }
https://github.com/openssl/openssl/blob/2a7de0fd5d9baf946ef4d2c51096b04dd47a8143/crypto/lhash/lhash.c/#L123
d2a_code_data_45391
void *OPENSSL_LH_delete(OPENSSL_LHASH *lh, const void *data) { unsigned long hash; OPENSSL_LH_NODE *nn, **rn; 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 (ret); }
https://github.com/openssl/openssl/blob/2a7de0fd5d9baf946ef4d2c51096b04dd47a8143/crypto/lhash/lhash.c/#L123
d2a_code_data_45392
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); }
https://github.com/openssl/openssl/blob/69588edbaa424beb71c6a9b1be416588232cb78c/crypto/bn/bn_sqr.c/#L119
d2a_code_data_45393
char *X509_NAME_oneline(X509_NAME *a, char *buf, int len) { X509_NAME_ENTRY *ne; int i; int n, lold, l, l1, l2, num, j, type; const char *s; char *p; unsigned char *q; BUF_MEM *b = NULL; static const char hex[17] = "0123456789ABCDEF"; int gs_doit[4]; char tmp_buf[80]; #ifdef CHARSET_EBCDIC unsigned char ebcdic_buf[1024]; #endif if (buf == NULL) { if ((b = BUF_MEM_new()) == NULL) goto err; if (!BUF_MEM_grow(b, 200)) goto err; b->data[0] = '\0'; len = 200; } else if (len == 0) { return NULL; } if (a == NULL) { if (b) { buf = b->data; OPENSSL_free(b); } strncpy(buf, "NO X509_NAME", len); buf[len - 1] = '\0'; return buf; } len--; l = 0; for (i = 0; i < sk_X509_NAME_ENTRY_num(a->entries); i++) { ne = sk_X509_NAME_ENTRY_value(a->entries, i); n = OBJ_obj2nid(ne->object); if ((n == NID_undef) || ((s = OBJ_nid2sn(n)) == NULL)) { i2t_ASN1_OBJECT(tmp_buf, sizeof(tmp_buf), ne->object); s = tmp_buf; } l1 = strlen(s); type = ne->value->type; num = ne->value->length; if (num > NAME_ONELINE_MAX) { X509err(X509_F_X509_NAME_ONELINE, X509_R_NAME_TOO_LONG); goto end; } q = ne->value->data; #ifdef CHARSET_EBCDIC if (type == V_ASN1_GENERALSTRING || type == V_ASN1_VISIBLESTRING || type == V_ASN1_PRINTABLESTRING || type == V_ASN1_TELETEXSTRING || type == V_ASN1_VISIBLESTRING || type == V_ASN1_IA5STRING) { ascii2ebcdic(ebcdic_buf, q, (num > (int)sizeof(ebcdic_buf)) ? (int)sizeof(ebcdic_buf) : num); q = ebcdic_buf; } #endif if ((type == V_ASN1_GENERALSTRING) && ((num % 4) == 0)) { gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 0; for (j = 0; j < num; j++) if (q[j] != 0) gs_doit[j & 3] = 1; if (gs_doit[0] | gs_doit[1] | gs_doit[2]) gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1; else { gs_doit[0] = gs_doit[1] = gs_doit[2] = 0; gs_doit[3] = 1; } } else gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1; for (l2 = j = 0; j < num; j++) { if (!gs_doit[j & 3]) continue; l2++; #ifndef CHARSET_EBCDIC if ((q[j] < ' ') || (q[j] > '~')) l2 += 3; #else if ((os_toascii[q[j]] < os_toascii[' ']) || (os_toascii[q[j]] > os_toascii['~'])) l2 += 3; #endif } lold = l; l += 1 + l1 + 1 + l2; if (l > NAME_ONELINE_MAX) { X509err(X509_F_X509_NAME_ONELINE, X509_R_NAME_TOO_LONG); goto end; } if (b != NULL) { if (!BUF_MEM_grow(b, l + 1)) goto err; p = &(b->data[lold]); } else if (l > len) { break; } else p = &(buf[lold]); *(p++) = '/'; memcpy(p, s, (unsigned int)l1); p += l1; *(p++) = '='; #ifndef CHARSET_EBCDIC q = ne->value->data; #endif for (j = 0; j < num; j++) { if (!gs_doit[j & 3]) continue; #ifndef CHARSET_EBCDIC n = q[j]; if ((n < ' ') || (n > '~')) { *(p++) = '\\'; *(p++) = 'x'; *(p++) = hex[(n >> 4) & 0x0f]; *(p++) = hex[n & 0x0f]; } else *(p++) = n; #else n = os_toascii[q[j]]; if ((n < os_toascii[' ']) || (n > os_toascii['~'])) { *(p++) = '\\'; *(p++) = 'x'; *(p++) = hex[(n >> 4) & 0x0f]; *(p++) = hex[n & 0x0f]; } else *(p++) = q[j]; #endif } *p = '\0'; } if (b != NULL) { p = b->data; OPENSSL_free(b); } else p = buf; if (i == 0) *p = '\0'; return (p); err: X509err(X509_F_X509_NAME_ONELINE, ERR_R_MALLOC_FAILURE); end: BUF_MEM_free(b); return (NULL); }
https://github.com/openssl/openssl/blob/24c2cd3967ed23acc0bd31a3781c4525e2e42a2c/crypto/x509/x509_obj.c/#L104
d2a_code_data_45394
int BN_mod_exp_mont(BIGNUM *rr, const BIGNUM *a, const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont) { int i, j, bits, ret = 0, wstart, wend, window, wvalue; int start = 1; BIGNUM *d, *r; const BIGNUM *aa; BIGNUM *val[TABLE_SIZE]; BN_MONT_CTX *mont = NULL; if (BN_get_flags(p, BN_FLG_CONSTTIME) != 0) { return BN_mod_exp_mont_consttime(rr, a, p, m, ctx, in_mont); } bn_check_top(a); bn_check_top(p); bn_check_top(m); if (!BN_is_odd(m)) { BNerr(BN_F_BN_MOD_EXP_MONT, BN_R_CALLED_WITH_EVEN_MODULUS); return (0); } bits = BN_num_bits(p); if (bits == 0) { if (BN_is_one(m)) { ret = 1; BN_zero(rr); } else { ret = BN_one(rr); } return ret; } BN_CTX_start(ctx); d = BN_CTX_get(ctx); r = BN_CTX_get(ctx); val[0] = BN_CTX_get(ctx); if (!d || !r || !val[0]) goto err; if (in_mont != NULL) mont = in_mont; else { if ((mont = BN_MONT_CTX_new()) == NULL) goto err; if (!BN_MONT_CTX_set(mont, m, ctx)) goto err; } if (a->neg || BN_ucmp(a, m) >= 0) { if (!BN_nnmod(val[0], a, m, ctx)) goto err; aa = val[0]; } else aa = a; if (BN_is_zero(aa)) { BN_zero(rr); ret = 1; goto err; } if (!BN_to_montgomery(val[0], aa, mont, ctx)) goto err; window = BN_window_bits_for_exponent_size(bits); if (window > 1) { if (!BN_mod_mul_montgomery(d, val[0], val[0], mont, ctx)) goto err; j = 1 << (window - 1); for (i = 1; i < j; i++) { if (((val[i] = BN_CTX_get(ctx)) == NULL) || !BN_mod_mul_montgomery(val[i], val[i - 1], d, mont, ctx)) goto err; } } start = 1; wvalue = 0; wstart = bits - 1; wend = 0; #if 1 j = m->top; if (m->d[j - 1] & (((BN_ULONG)1) << (BN_BITS2 - 1))) { if (bn_wexpand(r, j) == NULL) goto err; r->d[0] = (0 - m->d[0]) & BN_MASK2; for (i = 1; i < j; i++) r->d[i] = (~m->d[i]) & BN_MASK2; r->top = j; bn_correct_top(r); } else #endif if (!BN_to_montgomery(r, BN_value_one(), mont, ctx)) goto err; for (;;) { if (BN_is_bit_set(p, wstart) == 0) { if (!start) { if (!BN_mod_mul_montgomery(r, r, r, mont, ctx)) goto err; } if (wstart == 0) break; wstart--; continue; } j = wstart; wvalue = 1; wend = 0; for (i = 1; i < window; i++) { if (wstart - i < 0) break; if (BN_is_bit_set(p, wstart - i)) { wvalue <<= (i - wend); wvalue |= 1; wend = i; } } j = wend + 1; if (!start) for (i = 0; i < j; i++) { if (!BN_mod_mul_montgomery(r, r, r, mont, ctx)) goto err; } if (!BN_mod_mul_montgomery(r, r, val[wvalue >> 1], mont, ctx)) goto err; wstart -= wend + 1; wvalue = 0; start = 0; if (wstart < 0) break; } #if defined(SPARC_T4_MONT) if (OPENSSL_sparcv9cap_P[0] & (SPARCV9_VIS3 | SPARCV9_PREFER_FPU)) { j = mont->N.top; val[0]->d[0] = 1; for (i = 1; i < j; i++) val[0]->d[i] = 0; val[0]->top = j; if (!BN_mod_mul_montgomery(rr, r, val[0], mont, ctx)) goto err; } else #endif if (!BN_from_montgomery(rr, r, mont, ctx)) goto err; ret = 1; err: if (in_mont == NULL) BN_MONT_CTX_free(mont); BN_CTX_end(ctx); bn_check_top(rr); return (ret); }
https://github.com/openssl/openssl/blob/757264207ad8650a89ea903d48ad89f61d56ea9c/crypto/bn/bn_exp.c/#L390
d2a_code_data_45395
static unsigned int BN_STACK_pop(BN_STACK *st) { return st->indexes[--(st->depth)]; }
https://github.com/openssl/openssl/blob/18e1e302452e6dea4500b6f981cee7e151294dea/crypto/bn/bn_ctx.c/#L268
d2a_code_data_45396
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; }
https://github.com/libav/libav/blob/562ef82d6a7f96f6b9da1219a5aaf7d9d7056f1b/libavcodec/bitstream.h/#L237
d2a_code_data_45397
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--; } }
https://github.com/openssl/openssl/blob/fff684168c7923aa85e6b4381d71d933396e32b0/crypto/bn/bn_ctx.c/#L340
d2a_code_data_45398
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); }
https://github.com/openssl/openssl/blob/0282aeb690d63fab73a07191b63300a2fe30d212/crypto/bn/bn_shift.c/#L110
d2a_code_data_45399
static int decode_header_trees(SmackVContext *smk) { GetBitContext gb; int mmap_size, mclr_size, full_size, type_size; mmap_size = AV_RL32(smk->avctx->extradata); mclr_size = AV_RL32(smk->avctx->extradata + 4); full_size = AV_RL32(smk->avctx->extradata + 8); type_size = AV_RL32(smk->avctx->extradata + 12); init_get_bits(&gb, smk->avctx->extradata + 16, (smk->avctx->extradata_size - 16) * 8); if(!get_bits1(&gb)) { av_log(smk->avctx, AV_LOG_INFO, "Skipping MMAP tree\n"); smk->mmap_tbl = av_malloc(sizeof(int) * 2); smk->mmap_tbl[0] = 0; smk->mmap_last[0] = smk->mmap_last[1] = smk->mmap_last[2] = 1; } else { if (smacker_decode_header_tree(smk, &gb, &smk->mmap_tbl, smk->mmap_last, mmap_size)) return -1; } if(!get_bits1(&gb)) { av_log(smk->avctx, AV_LOG_INFO, "Skipping MCLR tree\n"); smk->mclr_tbl = av_malloc(sizeof(int) * 2); smk->mclr_tbl[0] = 0; smk->mclr_last[0] = smk->mclr_last[1] = smk->mclr_last[2] = 1; } else { if (smacker_decode_header_tree(smk, &gb, &smk->mclr_tbl, smk->mclr_last, mclr_size)) return -1; } if(!get_bits1(&gb)) { av_log(smk->avctx, AV_LOG_INFO, "Skipping FULL tree\n"); smk->full_tbl = av_malloc(sizeof(int) * 2); smk->full_tbl[0] = 0; smk->full_last[0] = smk->full_last[1] = smk->full_last[2] = 1; } else { if (smacker_decode_header_tree(smk, &gb, &smk->full_tbl, smk->full_last, full_size)) return -1; } if(!get_bits1(&gb)) { av_log(smk->avctx, AV_LOG_INFO, "Skipping TYPE tree\n"); smk->type_tbl = av_malloc(sizeof(int) * 2); smk->type_tbl[0] = 0; smk->type_last[0] = smk->type_last[1] = smk->type_last[2] = 1; } else { if (smacker_decode_header_tree(smk, &gb, &smk->type_tbl, smk->type_last, type_size)) return -1; } return 0; }
https://github.com/libav/libav/blob/d7d2f0e63c8187d531168256a0ce2aac21d5fce6/libavcodec/smacker.c/#L319
d2a_code_data_45400
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; }
https://github.com/openssl/openssl/blob/757264207ad8650a89ea903d48ad89f61d56ea9c/crypto/bn/bn_lib.c/#L333
d2a_code_data_45401
static void deinterlace_bottom_field_inplace(uint8_t *src1, int src_wrap, int width, int height) { uint8_t *src_m1, *src_0, *src_p1, *src_p2; int y; uint8_t *buf; buf = (uint8_t*)av_malloc(width); src_m1 = src1; memcpy(buf,src_m1,width); src_0=&src_m1[src_wrap]; src_p1=&src_0[src_wrap]; src_p2=&src_p1[src_wrap]; for(y=0;y<(height-2);y+=2) { deinterlace_line_inplace(buf,src_m1,src_0,src_p1,src_p2,width); src_m1 = src_p1; src_0 = src_p2; src_p1 += 2*src_wrap; src_p2 += 2*src_wrap; } deinterlace_line_inplace(buf,src_m1,src_0,src_0,src_0,width); av_free(buf); }
https://github.com/libav/libav/blob/5301a05d3ea208c140b41515468f98f5d94ddab9/libavcodec/imgconvert.c/#L1486
d2a_code_data_45402
int RAND_status(void) { const RAND_METHOD *meth = RAND_get_rand_method(); if (meth->status != NULL) return meth->status(); return 0; }
https://github.com/openssl/openssl/blob/363e941ed43c648adf4d6d0874077ddd80041e1f/crypto/rand/rand_lib.c/#L866
d2a_code_data_45403
static int www_body(char *hostname, int s, int stype, unsigned char *context) { char *buf = NULL; int ret = 1; int i, j, k, dot; SSL *con; const SSL_CIPHER *c; BIO *io, *ssl_bio, *sbio; #ifdef RENEG int total_bytes = 0; #endif int width; fd_set readfds; width = s + 1; buf = app_malloc(bufsize, "server www buffer"); io = BIO_new(BIO_f_buffer()); ssl_bio = BIO_new(BIO_f_ssl()); if ((io == NULL) || (ssl_bio == NULL)) goto err; #ifdef FIONBIO if (s_nbio) { unsigned long sl = 1; if (!s_quiet) BIO_printf(bio_err, "turning on non blocking io\n"); if (BIO_socket_ioctl(s, FIONBIO, &sl) < 0) ERR_print_errors(bio_err); } #endif if (!BIO_set_write_buffer_size(io, bufsize)) goto err; if ((con = SSL_new(ctx)) == NULL) goto err; if (s_tlsextdebug) { SSL_set_tlsext_debug_callback(con, tlsext_cb); SSL_set_tlsext_debug_arg(con, bio_s_out); } if (context && !SSL_set_session_id_context(con, context, strlen((char *)context))) goto err; sbio = BIO_new_socket(s, BIO_NOCLOSE); if (s_nbio_test) { BIO *test; test = BIO_new(BIO_f_nbio_test()); sbio = BIO_push(test, sbio); } SSL_set_bio(con, sbio, sbio); SSL_set_accept_state(con); BIO_set_ssl(ssl_bio, con, BIO_CLOSE); BIO_push(io, ssl_bio); #ifdef CHARSET_EBCDIC io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io); #endif if (s_debug) { SSL_set_debug(con, 1); BIO_set_callback(SSL_get_rbio(con), bio_dump_callback); BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out); } if (s_msg) { #ifndef OPENSSL_NO_SSL_TRACE if (s_msg == 2) SSL_set_msg_callback(con, SSL_trace); else #endif SSL_set_msg_callback(con, msg_cb); SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out); } for (;;) { i = BIO_gets(io, buf, bufsize - 1); if (i < 0) { if (!BIO_should_retry(io) && !SSL_waiting_for_async(con)) { if (!s_quiet) ERR_print_errors(bio_err); goto err; } else { BIO_printf(bio_s_out, "read R BLOCK\n"); #ifndef OPENSSL_NO_SRP if (BIO_should_io_special(io) && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) { BIO_printf(bio_s_out, "LOOKUP renego during read\n"); srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login); if (srp_callback_parm.user) BIO_printf(bio_s_out, "LOOKUP done %s\n", srp_callback_parm.user->info); else BIO_printf(bio_s_out, "LOOKUP not successful\n"); continue; } #endif #if defined(OPENSSL_SYS_NETWARE) delay(1000); #elif !defined(OPENSSL_SYS_MSDOS) sleep(1); #endif continue; } } else if (i == 0) { ret = 1; goto end; } if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) || ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) { char *p; X509 *peer; STACK_OF(SSL_CIPHER) *sk; static const char *space = " "; if (www == 1 && strncmp("GET /reneg", buf, 10) == 0) { if (strncmp("GET /renegcert", buf, 14) == 0) SSL_set_verify(con, SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE, NULL); i = SSL_renegotiate(con); BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n", i); i = SSL_do_handshake(con); if (i <= 0) { BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n", SSL_get_error(con, i)); ERR_print_errors(bio_err); goto err; } FD_ZERO(&readfds); openssl_fdset(s, &readfds); i = select(width, (void *)&readfds, NULL, NULL, NULL); if (i <= 0 || !FD_ISSET(s, &readfds)) { BIO_printf(bio_s_out, "Error waiting for client response\n"); ERR_print_errors(bio_err); goto err; } BIO_gets(io, buf, bufsize - 1); } BIO_puts(io, "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n"); BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n"); BIO_puts(io, "<pre>\n"); BIO_puts(io, "\n"); for (i = 0; i < local_argc; i++) { const char *myp; for (myp = local_argv[i]; *myp; myp++) switch (*myp) { case '<': BIO_puts(io, "&lt;"); break; case '>': BIO_puts(io, "&gt;"); break; case '&': BIO_puts(io, "&amp;"); break; default: BIO_write(io, myp, 1); break; } BIO_write(io, " ", 1); } BIO_puts(io, "\n"); BIO_printf(io, "Secure Renegotiation IS%s supported\n", SSL_get_secure_renegotiation_support(con) ? "" : " NOT"); BIO_printf(io, "Ciphers supported in s_server binary\n"); sk = SSL_get_ciphers(con); j = sk_SSL_CIPHER_num(sk); for (i = 0; i < j; i++) { c = sk_SSL_CIPHER_value(sk, i); BIO_printf(io, "%-11s:%-25s ", SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c)); if ((((i + 1) % 2) == 0) && (i + 1 != j)) BIO_puts(io, "\n"); } BIO_puts(io, "\n"); p = SSL_get_shared_ciphers(con, buf, bufsize); if (p != NULL) { BIO_printf(io, "---\nCiphers common between both SSL end points:\n"); j = i = 0; while (*p) { if (*p == ':') { BIO_write(io, space, 26 - j); i++; j = 0; BIO_write(io, ((i % 3) ? " " : "\n"), 1); } else { BIO_write(io, p, 1); j++; } p++; } BIO_puts(io, "\n"); } ssl_print_sigalgs(io, con); #ifndef OPENSSL_NO_EC ssl_print_curves(io, con, 0); #endif BIO_printf(io, (SSL_cache_hit(con) ? "---\nReused, " : "---\nNew, ")); c = SSL_get_current_cipher(con); BIO_printf(io, "%s, Cipher is %s\n", SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c)); SSL_SESSION_print(io, SSL_get_session(con)); BIO_printf(io, "---\n"); print_stats(io, SSL_get_SSL_CTX(con)); BIO_printf(io, "---\n"); peer = SSL_get_peer_certificate(con); if (peer != NULL) { BIO_printf(io, "Client certificate\n"); X509_print(io, peer); PEM_write_bio_X509(io, peer); } else BIO_puts(io, "no client certificate available\n"); BIO_puts(io, "</BODY></HTML>\r\n\r\n"); break; } else if ((www == 2 || www == 3) && (strncmp("GET /", buf, 5) == 0)) { BIO *file; char *p, *e; static const char *text = "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n"; p = &(buf[5]); dot = 1; for (e = p; *e != '\0'; e++) { if (e[0] == ' ') break; switch (dot) { case 1: dot = (e[0] == '.') ? 2 : 0; break; case 2: dot = (e[0] == '.') ? 3 : 0; break; case 3: dot = (e[0] == '/') ? -1 : 0; break; } if (dot == 0) dot = (e[0] == '/') ? 1 : 0; } dot = (dot == 3) || (dot == -1); if (*e == '\0') { BIO_puts(io, text); BIO_printf(io, "'%s' is an invalid file name\r\n", p); break; } *e = '\0'; if (dot) { BIO_puts(io, text); BIO_printf(io, "'%s' contains '..' reference\r\n", p); break; } if (*p == '/') { BIO_puts(io, text); BIO_printf(io, "'%s' is an invalid path\r\n", p); break; } if (app_isdir(p) > 0) { BIO_puts(io, text); BIO_printf(io, "'%s' is a directory\r\n", p); break; } if ((file = BIO_new_file(p, "r")) == NULL) { BIO_puts(io, text); BIO_printf(io, "Error opening '%s'\r\n", p); ERR_print_errors(io); break; } if (!s_quiet) BIO_printf(bio_err, "FILE:%s\n", p); if (www == 2) { i = strlen(p); if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) || ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) || ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0))) BIO_puts(io, "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n"); else BIO_puts(io, "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n"); } for (;;) { i = BIO_read(file, buf, bufsize); if (i <= 0) break; #ifdef RENEG total_bytes += i; BIO_printf(bio_err, "%d\n", i); if (total_bytes > 3 * 1024) { total_bytes = 0; BIO_printf(bio_err, "RENEGOTIATE\n"); SSL_renegotiate(con); } #endif for (j = 0; j < i;) { #ifdef RENEG { static count = 0; if (++count == 13) { SSL_renegotiate(con); } } #endif k = BIO_write(io, &(buf[j]), i - j); if (k <= 0) { if (!BIO_should_retry(io) && !SSL_waiting_for_async(con)) goto write_error; else { BIO_printf(bio_s_out, "rwrite W BLOCK\n"); } } else { j += k; } } } write_error: BIO_free(file); break; } } for (;;) { i = (int)BIO_flush(io); if (i <= 0) { if (!BIO_should_retry(io)) break; } else break; } end: SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN); err: if (ret >= 0) BIO_printf(bio_s_out, "ACCEPT\n"); OPENSSL_free(buf); BIO_free_all(io); return (ret); }
https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/apps/s_server.c/#L2606
d2a_code_data_45404
int test_div(BIO *bp, BN_CTX *ctx) { BIGNUM *a, *b, *c, *d, *e; int i; a = BN_new(); b = BN_new(); c = BN_new(); d = BN_new(); e = BN_new(); BN_one(a); BN_zero(b); if (BN_div(d, c, a, b, ctx)) { fprintf(stderr, "Division by zero succeeded!\n"); return 0; } for (i = 0; i < num0 + num1; i++) { if (i < num1) { BN_bntest_rand(a, 400, 0, 0); BN_copy(b, a); BN_lshift(a, a, i); BN_add_word(a, i); } else BN_bntest_rand(b, 50 + 3 * (i - num1), 0, 0); a->neg = rand_neg(); b->neg = rand_neg(); BN_div(d, c, a, b, ctx); if (bp != NULL) { if (!results) { BN_print(bp, a); BIO_puts(bp, " / "); BN_print(bp, b); BIO_puts(bp, " - "); } BN_print(bp, d); BIO_puts(bp, "\n"); if (!results) { BN_print(bp, a); BIO_puts(bp, " % "); BN_print(bp, b); BIO_puts(bp, " - "); } BN_print(bp, c); BIO_puts(bp, "\n"); } BN_mul(e, d, b, ctx); BN_add(d, e, c); BN_sub(d, d, a); if (!BN_is_zero(d)) { fprintf(stderr, "Division test failed!\n"); return 0; } } BN_free(a); BN_free(b); BN_free(c); BN_free(d); BN_free(e); return (1); }
https://github.com/openssl/openssl/blob/d9e309a675900030d7308e36f614962a344816f9/test/bntest.c/#L498
d2a_code_data_45405
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); }
https://github.com/openssl/openssl/blob/f770d75b1cac264d6280ec7326277daff6965cbb/crypto/err/err.c/#L756
d2a_code_data_45406
int Camellia_Ekeygen(int keyBitLength, const u8 *rawKey, KEY_TABLE_TYPE k) { register u32 s0, s1, s2, s3; k[0] = s0 = GETU32(rawKey); k[1] = s1 = GETU32(rawKey + 4); k[2] = s2 = GETU32(rawKey + 8); k[3] = s3 = GETU32(rawKey + 12); if (keyBitLength != 128) { k[8] = s0 = GETU32(rawKey + 16); k[9] = s1 = GETU32(rawKey + 20); if (keyBitLength == 192) { k[10] = s2 = ~s0; k[11] = s3 = ~s1; } else { k[10] = s2 = GETU32(rawKey + 24); k[11] = s3 = GETU32(rawKey + 28); } s0 ^= k[0], s1 ^= k[1], s2 ^= k[2], s3 ^= k[3]; } Camellia_Feistel(s0, s1, s2, s3, SIGMA + 0); Camellia_Feistel(s2, s3, s0, s1, SIGMA + 2); s0 ^= k[0], s1 ^= k[1], s2 ^= k[2], s3 ^= k[3]; Camellia_Feistel(s0, s1, s2, s3, SIGMA + 4); Camellia_Feistel(s2, s3, s0, s1, SIGMA + 6); if (keyBitLength == 128) { k[4] = s0, k[5] = s1, k[6] = s2, k[7] = s3; RotLeft128(s0, s1, s2, s3, 15); k[12] = s0, k[13] = s1, k[14] = s2, k[15] = s3; RotLeft128(s0, s1, s2, s3, 15); k[16] = s0, k[17] = s1, k[18] = s2, k[19] = s3; RotLeft128(s0, s1, s2, s3, 15); k[24] = s0, k[25] = s1; RotLeft128(s0, s1, s2, s3, 15); k[28] = s0, k[29] = s1, k[30] = s2, k[31] = s3; RotLeft128(s1, s2, s3, s0, 2); k[40] = s1, k[41] = s2, k[42] = s3, k[43] = s0; RotLeft128(s1, s2, s3, s0, 17); k[48] = s1, k[49] = s2, k[50] = s3, k[51] = s0; s0 = k[0], s1 = k[1], s2 = k[2], s3 = k[3]; RotLeft128(s0, s1, s2, s3, 15); k[8] = s0, k[9] = s1, k[10] = s2, k[11] = s3; RotLeft128(s0, s1, s2, s3, 30); k[20] = s0, k[21] = s1, k[22] = s2, k[23] = s3; RotLeft128(s0, s1, s2, s3, 15); k[26] = s2, k[27] = s3; RotLeft128(s0, s1, s2, s3, 17); k[32] = s0, k[33] = s1, k[34] = s2, k[35] = s3; RotLeft128(s0, s1, s2, s3, 17); k[36] = s0, k[37] = s1, k[38] = s2, k[39] = s3; RotLeft128(s0, s1, s2, s3, 17); k[44] = s0, k[45] = s1, k[46] = s2, k[47] = s3; return 3; } else { k[12] = s0, k[13] = s1, k[14] = s2, k[15] = s3; s0 ^= k[8], s1 ^= k[9], s2 ^= k[10], s3 ^= k[11]; Camellia_Feistel(s0, s1, s2, s3, (SIGMA + 8)); Camellia_Feistel(s2, s3, s0, s1, (SIGMA + 10)); k[4] = s0, k[5] = s1, k[6] = s2, k[7] = s3; RotLeft128(s0, s1, s2, s3, 30); k[20] = s0, k[21] = s1, k[22] = s2, k[23] = s3; RotLeft128(s0, s1, s2, s3, 30); k[40] = s0, k[41] = s1, k[42] = s2, k[43] = s3; RotLeft128(s1, s2, s3, s0, 19); k[64] = s1, k[65] = s2, k[66] = s3, k[67] = s0; s0 = k[8], s1 = k[9], s2 = k[10], s3 = k[11]; RotLeft128(s0, s1, s2, s3, 15); k[8] = s0, k[9] = s1, k[10] = s2, k[11] = s3; RotLeft128(s0, s1, s2, s3, 15); k[16] = s0, k[17] = s1, k[18] = s2, k[19] = s3; RotLeft128(s0, s1, s2, s3, 30); k[36] = s0, k[37] = s1, k[38] = s2, k[39] = s3; RotLeft128(s1, s2, s3, s0, 2); k[52] = s1, k[53] = s2, k[54] = s3, k[55] = s0; s0 = k[12], s1 = k[13], s2 = k[14], s3 = k[15]; RotLeft128(s0, s1, s2, s3, 15); k[12] = s0, k[13] = s1, k[14] = s2, k[15] = s3; RotLeft128(s0, s1, s2, s3, 30); k[28] = s0, k[29] = s1, k[30] = s2, k[31] = s3; k[48] = s1, k[49] = s2, k[50] = s3, k[51] = s0; RotLeft128(s1, s2, s3, s0, 17); k[56] = s1, k[57] = s2, k[58] = s3, k[59] = s0; s0 = k[0], s1 = k[1], s2 = k[2], s3 = k[3]; RotLeft128(s1, s2, s3, s0, 13); k[24] = s1, k[25] = s2, k[26] = s3, k[27] = s0; RotLeft128(s1, s2, s3, s0, 15); k[32] = s1, k[33] = s2, k[34] = s3, k[35] = s0; RotLeft128(s1, s2, s3, s0, 17); k[44] = s1, k[45] = s2, k[46] = s3, k[47] = s0; RotLeft128(s2, s3, s0, s1, 2); k[60] = s2, k[61] = s3, k[62] = s0, k[63] = s1; return 4; } }
https://github.com/openssl/openssl/blob/1dce6c3f9eef0da2866b82d816dc945883427060/crypto/camellia/camellia.c/#L380
d2a_code_data_45407
static unsigned int BN_STACK_pop(BN_STACK *st) { return st->indexes[--(st->depth)]; }
https://github.com/openssl/openssl/blob/18e1e302452e6dea4500b6f981cee7e151294dea/crypto/bn/bn_ctx.c/#L268
d2a_code_data_45408
int av_interleave_packet_per_dts(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush){ AVPacketList *pktl, **next_point, *this_pktl; int stream_count=0; int streams[MAX_STREAMS]; if(pkt){ AVStream *st= s->streams[ pkt->stream_index]; this_pktl = av_mallocz(sizeof(AVPacketList)); this_pktl->pkt= *pkt; if(pkt->destruct == av_destruct_packet) pkt->destruct= NULL; else av_dup_packet(&this_pktl->pkt); next_point = &s->packet_buffer; while(*next_point){ AVStream *st2= s->streams[ (*next_point)->pkt.stream_index]; int64_t left= st2->time_base.num * (int64_t)st ->time_base.den; int64_t right= st ->time_base.num * (int64_t)st2->time_base.den; if((*next_point)->pkt.dts * left > pkt->dts * right) break; next_point= &(*next_point)->next; } this_pktl->next= *next_point; *next_point= this_pktl; } memset(streams, 0, sizeof(streams)); pktl= s->packet_buffer; while(pktl){ if(streams[ pktl->pkt.stream_index ] == 0) stream_count++; streams[ pktl->pkt.stream_index ]++; pktl= pktl->next; } if(stream_count && (s->nb_streams == stream_count || flush)){ pktl= s->packet_buffer; *out= pktl->pkt; s->packet_buffer= pktl->next; av_freep(&pktl); return 1; }else{ av_init_packet(out); return 0; } }
https://github.com/libav/libav/blob/beca9a286c46a67b39fde5fab62a60d0766fc5ad/libavformat/utils.c/#L2609
d2a_code_data_45409
static av_always_inline int epzs_motion_search_internal(MpegEncContext * s, int *mx_ptr, int *my_ptr, int P[10][2], int src_index, int ref_index, int16_t (*last_mv)[2], int ref_mv_scale, int flags, int size, int h) { MotionEstContext * const c= &s->me; int best[2]={0, 0}; int d; int dmin; int map_generation; int penalty_factor; const int ref_mv_stride= s->mb_stride; const int ref_mv_xy= s->mb_x + s->mb_y*ref_mv_stride; me_cmp_func cmpf, chroma_cmpf; LOAD_COMMON LOAD_COMMON2 if(c->pre_pass){ penalty_factor= c->pre_penalty_factor; cmpf= s->dsp.me_pre_cmp[size]; chroma_cmpf= s->dsp.me_pre_cmp[size+1]; }else{ penalty_factor= c->penalty_factor; cmpf= s->dsp.me_cmp[size]; chroma_cmpf= s->dsp.me_cmp[size+1]; } map_generation= update_map_generation(c); assert(cmpf); dmin= cmp(s, 0, 0, 0, 0, size, h, ref_index, src_index, cmpf, chroma_cmpf, flags); map[0]= map_generation; score_map[0]= dmin; if((s->pict_type == FF_B_TYPE && !(c->flags & FLAG_DIRECT)) || s->flags&CODEC_FLAG_MV0) dmin += (mv_penalty[pred_x] + mv_penalty[pred_y])*penalty_factor; if (s->first_slice_line) { CHECK_MV(P_LEFT[0]>>shift, P_LEFT[1]>>shift) CHECK_CLIPPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16, (last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16) }else{ if(dmin<((h*h*s->avctx->mv0_threshold)>>8) && ( P_LEFT[0] |P_LEFT[1] |P_TOP[0] |P_TOP[1] |P_TOPRIGHT[0]|P_TOPRIGHT[1])==0){ *mx_ptr= 0; *my_ptr= 0; c->skip=1; return dmin; } CHECK_MV( P_MEDIAN[0] >>shift , P_MEDIAN[1] >>shift) CHECK_CLIPPED_MV((P_MEDIAN[0]>>shift) , (P_MEDIAN[1]>>shift)-1) CHECK_CLIPPED_MV((P_MEDIAN[0]>>shift) , (P_MEDIAN[1]>>shift)+1) CHECK_CLIPPED_MV((P_MEDIAN[0]>>shift)-1, (P_MEDIAN[1]>>shift) ) CHECK_CLIPPED_MV((P_MEDIAN[0]>>shift)+1, (P_MEDIAN[1]>>shift) ) CHECK_CLIPPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16, (last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16) CHECK_MV(P_LEFT[0] >>shift, P_LEFT[1] >>shift) CHECK_MV(P_TOP[0] >>shift, P_TOP[1] >>shift) CHECK_MV(P_TOPRIGHT[0]>>shift, P_TOPRIGHT[1]>>shift) } if(dmin>h*h*4){ if(c->pre_pass){ CHECK_CLIPPED_MV((last_mv[ref_mv_xy-1][0]*ref_mv_scale + (1<<15))>>16, (last_mv[ref_mv_xy-1][1]*ref_mv_scale + (1<<15))>>16) if(!s->first_slice_line) CHECK_CLIPPED_MV((last_mv[ref_mv_xy-ref_mv_stride][0]*ref_mv_scale + (1<<15))>>16, (last_mv[ref_mv_xy-ref_mv_stride][1]*ref_mv_scale + (1<<15))>>16) }else{ CHECK_CLIPPED_MV((last_mv[ref_mv_xy+1][0]*ref_mv_scale + (1<<15))>>16, (last_mv[ref_mv_xy+1][1]*ref_mv_scale + (1<<15))>>16) if(s->mb_y+1<s->end_mb_y) CHECK_CLIPPED_MV((last_mv[ref_mv_xy+ref_mv_stride][0]*ref_mv_scale + (1<<15))>>16, (last_mv[ref_mv_xy+ref_mv_stride][1]*ref_mv_scale + (1<<15))>>16) } } if(c->avctx->last_predictor_count){ const int count= c->avctx->last_predictor_count; const int xstart= FFMAX(0, s->mb_x - count); const int ystart= FFMAX(0, s->mb_y - count); const int xend= FFMIN(s->mb_width , s->mb_x + count + 1); const int yend= FFMIN(s->mb_height, s->mb_y + count + 1); int mb_y; for(mb_y=ystart; mb_y<yend; mb_y++){ int mb_x; for(mb_x=xstart; mb_x<xend; mb_x++){ const int xy= mb_x + 1 + (mb_y + 1)*ref_mv_stride; int mx= (last_mv[xy][0]*ref_mv_scale + (1<<15))>>16; int my= (last_mv[xy][1]*ref_mv_scale + (1<<15))>>16; if(mx>xmax || mx<xmin || my>ymax || my<ymin) continue; CHECK_MV(mx,my) } } } dmin= diamond_search(s, best, dmin, src_index, ref_index, penalty_factor, size, h, flags); *mx_ptr= best[0]; *my_ptr= best[1]; return dmin; }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/motion_est_template.c/#L1078
d2a_code_data_45410
static unsigned int BN_STACK_pop(BN_STACK *st) { return st->indexes[--(st->depth)]; }
https://github.com/openssl/openssl/blob/a8ea8018fa187e22fb4989450b550589e20f62c2/crypto/bn/bn_ctx.c/#L273
d2a_code_data_45411
int test_mod_exp_mont_consttime(BIO *bp, BN_CTX *ctx) { BIGNUM *a, *b, *c, *d, *e; int i; a = BN_new(); b = BN_new(); c = BN_new(); d = BN_new(); e = BN_new(); BN_one(a); BN_one(b); BN_zero(c); if (BN_mod_exp_mont_consttime(d, a, b, c, ctx, NULL)) { fprintf(stderr, "BN_mod_exp_mont_consttime with zero modulus " "succeeded\n"); return 0; } BN_set_word(c, 16); if (BN_mod_exp_mont_consttime(d, a, b, c, ctx, NULL)) { fprintf(stderr, "BN_mod_exp_mont_consttime with even modulus " "succeeded\n"); return 0; } BN_bntest_rand(c, 30, 0, 1); for (i = 0; i < num2; i++) { BN_bntest_rand(a, 20 + i * 5, 0, 0); BN_bntest_rand(b, 2 + i, 0, 0); if (!BN_mod_exp_mont_consttime(d, a, b, c, ctx, NULL)) return (00); if (bp != NULL) { if (!results) { BN_print(bp, a); BIO_puts(bp, " ^ "); BN_print(bp, b); BIO_puts(bp, " % "); BN_print(bp, c); BIO_puts(bp, " - "); } BN_print(bp, d); BIO_puts(bp, "\n"); } BN_exp(e, a, b, ctx); BN_sub(e, e, d); BN_div(a, b, e, c, ctx); if (!BN_is_zero(b)) { fprintf(stderr, "Modulo exponentiation test failed!\n"); return 0; } } BN_free(a); BN_free(b); BN_free(c); BN_free(d); BN_free(e); return (1); }
https://github.com/openssl/openssl/blob/d9e309a675900030d7308e36f614962a344816f9/test/bntest.c/#L1064
d2a_code_data_45412
int test_gf2m_mod_exp(BIO *bp, BN_CTX *ctx) { BIGNUM *a, *b[2], *c, *d, *e, *f; int i, j, ret = 0; int p0[] = { 163, 7, 6, 3, 0, -1 }; int p1[] = { 193, 15, 0, -1 }; a = BN_new(); b[0] = BN_new(); b[1] = BN_new(); c = BN_new(); d = BN_new(); e = BN_new(); f = BN_new(); BN_GF2m_arr2poly(p0, b[0]); BN_GF2m_arr2poly(p1, b[1]); for (i = 0; i < num0; i++) { BN_bntest_rand(a, 512, 0, 0); BN_bntest_rand(c, 512, 0, 0); BN_bntest_rand(d, 512, 0, 0); for (j = 0; j < 2; j++) { BN_GF2m_mod_exp(e, a, c, b[j], ctx); BN_GF2m_mod_exp(f, a, d, b[j], ctx); BN_GF2m_mod_mul(e, e, f, b[j], ctx); BN_add(f, c, d); BN_GF2m_mod_exp(f, a, f, b[j], ctx); BN_GF2m_add(f, e, f); if (!BN_is_zero(f)) { fprintf(stderr, "GF(2^m) modular exponentiation test failed!\n"); goto err; } } } ret = 1; err: BN_free(a); BN_free(b[0]); BN_free(b[1]); BN_free(c); BN_free(d); BN_free(e); BN_free(f); return ret; }
https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/test/bntest.c/#L1524
d2a_code_data_45413
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; }
https://github.com/openssl/openssl/blob/18e1e302452e6dea4500b6f981cee7e151294dea/crypto/bn/bn_lib.c/#L232
d2a_code_data_45414
void *lh_delete(_LHASH *lh, const void *data) { unsigned long hash; LHASH_NODE *nn,**rn; 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(ret); }
https://github.com/openssl/openssl/blob/789da2c73d875af59b14156b6295aa4bdfc4f424/crypto/lhash/lhash.c/#L240
d2a_code_data_45415
char *X509_NAME_oneline(X509_NAME *a, char *buf, int len) { X509_NAME_ENTRY *ne; int i; int n, lold, l, l1, l2, num, j, type; const char *s; char *p; unsigned char *q; BUF_MEM *b = NULL; static const char hex[17] = "0123456789ABCDEF"; int gs_doit[4]; char tmp_buf[80]; #ifdef CHARSET_EBCDIC unsigned char ebcdic_buf[1024]; #endif if (buf == NULL) { if ((b = BUF_MEM_new()) == NULL) goto err; if (!BUF_MEM_grow(b, 200)) goto err; b->data[0] = '\0'; len = 200; } else if (len == 0) { return NULL; } if (a == NULL) { if (b) { buf = b->data; OPENSSL_free(b); } strncpy(buf, "NO X509_NAME", len); buf[len - 1] = '\0'; return buf; } len--; l = 0; for (i = 0; i < sk_X509_NAME_ENTRY_num(a->entries); i++) { ne = sk_X509_NAME_ENTRY_value(a->entries, i); n = OBJ_obj2nid(ne->object); if ((n == NID_undef) || ((s = OBJ_nid2sn(n)) == NULL)) { i2t_ASN1_OBJECT(tmp_buf, sizeof(tmp_buf), ne->object); s = tmp_buf; } l1 = strlen(s); type = ne->value->type; num = ne->value->length; if (num > NAME_ONELINE_MAX) { X509err(X509_F_X509_NAME_ONELINE, X509_R_NAME_TOO_LONG); goto end; } q = ne->value->data; #ifdef CHARSET_EBCDIC if (type == V_ASN1_GENERALSTRING || type == V_ASN1_VISIBLESTRING || type == V_ASN1_PRINTABLESTRING || type == V_ASN1_TELETEXSTRING || type == V_ASN1_VISIBLESTRING || type == V_ASN1_IA5STRING) { ascii2ebcdic(ebcdic_buf, q, (num > (int)sizeof(ebcdic_buf)) ? (int)sizeof(ebcdic_buf) : num); q = ebcdic_buf; } #endif if ((type == V_ASN1_GENERALSTRING) && ((num % 4) == 0)) { gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 0; for (j = 0; j < num; j++) if (q[j] != 0) gs_doit[j & 3] = 1; if (gs_doit[0] | gs_doit[1] | gs_doit[2]) gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1; else { gs_doit[0] = gs_doit[1] = gs_doit[2] = 0; gs_doit[3] = 1; } } else gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1; for (l2 = j = 0; j < num; j++) { if (!gs_doit[j & 3]) continue; l2++; #ifndef CHARSET_EBCDIC if ((q[j] < ' ') || (q[j] > '~')) l2 += 3; #else if ((os_toascii[q[j]] < os_toascii[' ']) || (os_toascii[q[j]] > os_toascii['~'])) l2 += 3; #endif } lold = l; l += 1 + l1 + 1 + l2; if (l > NAME_ONELINE_MAX) { X509err(X509_F_X509_NAME_ONELINE, X509_R_NAME_TOO_LONG); goto end; } if (b != NULL) { if (!BUF_MEM_grow(b, l + 1)) goto err; p = &(b->data[lold]); } else if (l > len) { break; } else p = &(buf[lold]); *(p++) = '/'; memcpy(p, s, (unsigned int)l1); p += l1; *(p++) = '='; #ifndef CHARSET_EBCDIC q = ne->value->data; #endif for (j = 0; j < num; j++) { if (!gs_doit[j & 3]) continue; #ifndef CHARSET_EBCDIC n = q[j]; if ((n < ' ') || (n > '~')) { *(p++) = '\\'; *(p++) = 'x'; *(p++) = hex[(n >> 4) & 0x0f]; *(p++) = hex[n & 0x0f]; } else *(p++) = n; #else n = os_toascii[q[j]]; if ((n < os_toascii[' ']) || (n > os_toascii['~'])) { *(p++) = '\\'; *(p++) = 'x'; *(p++) = hex[(n >> 4) & 0x0f]; *(p++) = hex[n & 0x0f]; } else *(p++) = q[j]; #endif } *p = '\0'; } if (b != NULL) { p = b->data; OPENSSL_free(b); } else p = buf; if (i == 0) *p = '\0'; return (p); err: X509err(X509_F_X509_NAME_ONELINE, ERR_R_MALLOC_FAILURE); end: BUF_MEM_free(b); return (NULL); }
https://github.com/openssl/openssl/blob/24c2cd3967ed23acc0bd31a3781c4525e2e42a2c/crypto/x509/x509_obj.c/#L181
d2a_code_data_45416
void ff_lsp2polyf(const double *lsp, double *f, int lp_half_order) { int i, j; f[0] = 1.0; f[1] = -2 * lsp[0]; lsp -= 2; for(i=2; i<=lp_half_order; i++) { double val = -2 * lsp[2*i]; f[i] = val * f[i-1] + 2*f[i-2]; for(j=i-1; j>1; j--) f[j] += f[j-1] * val + f[j-2]; f[1] += val; } }
https://github.com/libav/libav/blob/539ff40c2d685508c62f040693df0f0facda39ff/libavcodec/lsp.c/#L175
d2a_code_data_45417
int is_partially_overlapping(const void *ptr1, const void *ptr2, int len) { PTRDIFF_T diff = (PTRDIFF_T)ptr1-(PTRDIFF_T)ptr2; int overlapped = (len > 0) & (diff != 0) & ((diff < (PTRDIFF_T)len) | (diff > (0 - (PTRDIFF_T)len))); assert(!overlapped); return overlapped; }
https://github.com/openssl/openssl/blob/7141ba31969d0b378d08104a51f8f99b9187b9d5/crypto/evp/evp_enc.c/#L288
d2a_code_data_45418
static int opt_vstats(const char *opt, const char *arg) { char filename[40]; time_t today2 = time(NULL); struct tm *today = localtime(&today2); snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min, today->tm_sec); return opt_vstats_file(opt, filename); }
https://github.com/libav/libav/blob/1ce5dce454ea46280b188f0b7e37fc976fcfb606/avconv_opt.c/#L1656
d2a_code_data_45419
int BN_GF2m_mod_div(BIGNUM *r, const BIGNUM *y, const BIGNUM *x, const BIGNUM *p, BN_CTX *ctx) { BIGNUM *xinv = NULL; int ret = 0; bn_check_top(y); bn_check_top(x); bn_check_top(p); BN_CTX_start(ctx); xinv = BN_CTX_get(ctx); if (xinv == NULL) goto err; if (!BN_GF2m_mod_inv(xinv, x, p, ctx)) goto err; if (!BN_GF2m_mod_mul(r, y, xinv, p, ctx)) goto err; bn_check_top(r); ret = 1; err: BN_CTX_end(ctx); return ret; }
https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/crypto/bn/bn_gf2m.c/#L846
d2a_code_data_45420
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); }
https://github.com/openssl/openssl/blob/4973a60cb92dc121fc09246bff3815afc0f8ab9a/crypto/bn/bn_sqr.c/#L119
d2a_code_data_45421
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; }
https://github.com/openssl/openssl/blob/e4e1aa903e624044d3319622fc50222f1b2c7328/ssl/packet.c/#L46
d2a_code_data_45422
static int encode_test_run(struct evp_test *t) { struct encode_data *edata = t->data; unsigned char *encode_out = NULL, *decode_out = NULL; int output_len, chunk_len; const char *err = "INTERNAL_ERROR"; EVP_ENCODE_CTX *decode_ctx = EVP_ENCODE_CTX_new(); if (decode_ctx == NULL) goto err; if (edata->encoding == BASE64_CANONICAL_ENCODING) { EVP_ENCODE_CTX *encode_ctx = EVP_ENCODE_CTX_new(); if (encode_ctx == NULL) goto err; encode_out = OPENSSL_malloc(EVP_ENCODE_LENGTH(edata->input_len)); if (encode_out == NULL) goto err; EVP_EncodeInit(encode_ctx); EVP_EncodeUpdate(encode_ctx, encode_out, &chunk_len, edata->input, edata->input_len); output_len = chunk_len; EVP_EncodeFinal(encode_ctx, encode_out + chunk_len, &chunk_len); output_len += chunk_len; EVP_ENCODE_CTX_free(encode_ctx); if (check_var_length_output(t, edata->output, edata->output_len, encode_out, output_len)) { err = "BAD_ENCODING"; goto err; } } decode_out = OPENSSL_malloc(EVP_DECODE_LENGTH(edata->output_len)); if (decode_out == NULL) goto err; EVP_DecodeInit(decode_ctx); if (EVP_DecodeUpdate(decode_ctx, decode_out, &chunk_len, edata->output, edata->output_len) < 0) { err = "DECODE_ERROR"; goto err; } output_len = chunk_len; if (EVP_DecodeFinal(decode_ctx, decode_out + chunk_len, &chunk_len) != 1) { err = "DECODE_ERROR"; goto err; } output_len += chunk_len; if (edata->encoding != BASE64_INVALID_ENCODING && check_var_length_output(t, edata->input, edata->input_len, decode_out, output_len)) { err = "BAD_DECODING"; goto err; } err = NULL; err: t->err = err; OPENSSL_free(encode_out); OPENSSL_free(decode_out); EVP_ENCODE_CTX_free(decode_ctx); return 1; }
https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/test/evp_test.c/#L1606
d2a_code_data_45423
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; }
https://github.com/libav/libav/blob/562ef82d6a7f96f6b9da1219a5aaf7d9d7056f1b/libavcodec/bitstream.h/#L139
d2a_code_data_45424
void gf_mul(gf_s * RESTRICT cs, const gf as, const gf bs) { const uint32_t *a = as->limb, *b = bs->limb; uint32_t *c = cs->limb; uint64_t accum0 = 0, accum1 = 0, accum2 = 0; uint32_t mask = (1 << 28) - 1; uint32_t aa[8], bb[8]; int i, j; for (i = 0; i < 8; i++) { aa[i] = a[i] + a[i + 8]; bb[i] = b[i] + b[i + 8]; } FOR_LIMB(j, 0, 8, { accum2 = 0; FOR_LIMB(i, 0, j + 1, { accum2 += widemul(a[j - i], b[i]); accum1 += widemul(aa[j - i], bb[i]); accum0 += widemul(a[8 + j - i], b[8 + i]); } ); accum1 -= accum2; accum0 += accum2; accum2 = 0; FOR_LIMB(i, j + 1, 8, { accum0 -= widemul(a[8 + j - i], b[i]); accum2 += widemul(aa[8 + j - i], bb[i]); accum1 += widemul(a[16 + j - i], b[8 + i]); } ); accum1 += accum2; accum0 += accum2; c[j] = ((uint32_t)(accum0)) & mask; c[j + 8] = ((uint32_t)(accum1)) & mask; accum0 >>= 28; accum1 >>= 28; }); accum0 += accum1; accum0 += c[8]; accum1 += c[0]; c[8] = ((uint32_t)(accum0)) & mask; c[0] = ((uint32_t)(accum1)) & mask; accum0 >>= 28; accum1 >>= 28; c[9] += ((uint32_t)(accum0)); c[1] += ((uint32_t)(accum1)); }
https://github.com/openssl/openssl/blob/0cdcdacc337005e08a906b2e07d4e44e3ee48138/crypto/ec/curve448/arch_32/f_impl.c/#L37
d2a_code_data_45425
static void contract(OPENSSL_LHASH *lh) { OPENSSL_LH_NODE **n, *n1, *np; np = lh->b[lh->p + lh->pmax - 1]; lh->b[lh->p + lh->pmax - 1] = NULL; if (lh->p == 0) { n = OPENSSL_realloc(lh->b, (unsigned int)(sizeof(OPENSSL_LH_NODE *) * lh->pmax)); if (n == NULL) { lh->error++; return; } lh->num_contract_reallocs++; lh->num_alloc_nodes /= 2; lh->pmax /= 2; lh->p = lh->pmax - 1; lh->b = n; } else lh->p--; lh->num_nodes--; lh->num_contracts++; n1 = lh->b[(int)lh->p]; if (n1 == NULL) lh->b[(int)lh->p] = np; else { while (n1->next != NULL) n1 = n1->next; n1->next = np; } }
https://github.com/openssl/openssl/blob/4460ad90af0338abe31286f29b36baf2e41abf19/crypto/lhash/lhash.c/#L293
d2a_code_data_45426
static av_always_inline void dnxhd_get_blocks(DNXHDEncContext *ctx, int mb_x, int mb_y) { const uint8_t *ptr_y = ctx->thread[0]->src[0] + ((mb_y << 4) * ctx->m.linesize) + (mb_x << 4); const uint8_t *ptr_u = ctx->thread[0]->src[1] + ((mb_y << 4) * ctx->m.uvlinesize) + (mb_x << 3); const uint8_t *ptr_v = ctx->thread[0]->src[2] + ((mb_y << 4) * ctx->m.uvlinesize) + (mb_x << 3); DSPContext *dsp = &ctx->m.dsp; dsp->get_pixels(ctx->blocks[0], ptr_y , ctx->m.linesize); dsp->get_pixels(ctx->blocks[1], ptr_y + 8, ctx->m.linesize); dsp->get_pixels(ctx->blocks[2], ptr_u , ctx->m.uvlinesize); dsp->get_pixels(ctx->blocks[3], ptr_v , ctx->m.uvlinesize); if (mb_y+1 == ctx->m.mb_height && ctx->m.avctx->height == 1080) { if (ctx->interlaced) { dnxhd_get_pixels_4x8(ctx->blocks[4], ptr_y + ctx->dct_y_offset , ctx->m.linesize); dnxhd_get_pixels_4x8(ctx->blocks[5], ptr_y + ctx->dct_y_offset + 8, ctx->m.linesize); dnxhd_get_pixels_4x8(ctx->blocks[6], ptr_u + ctx->dct_uv_offset , ctx->m.uvlinesize); dnxhd_get_pixels_4x8(ctx->blocks[7], ptr_v + ctx->dct_uv_offset , ctx->m.uvlinesize); } else memset(ctx->blocks[4], 0, 4*64*sizeof(DCTELEM)); } else { dsp->get_pixels(ctx->blocks[4], ptr_y + ctx->dct_y_offset , ctx->m.linesize); dsp->get_pixels(ctx->blocks[5], ptr_y + ctx->dct_y_offset + 8, ctx->m.linesize); dsp->get_pixels(ctx->blocks[6], ptr_u + ctx->dct_uv_offset , ctx->m.uvlinesize); dsp->get_pixels(ctx->blocks[7], ptr_v + ctx->dct_uv_offset , ctx->m.uvlinesize); } }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/dnxhdenc.c/#L420
d2a_code_data_45427
void ff_mpa_synth_filter(MPA_INT *synth_buf_ptr, int *synth_buf_offset, MPA_INT *window, int *dither_state, OUT_INT *samples, int incr, int32_t sb_samples[SBLIMIT]) { int32_t tmp[32]; register MPA_INT *synth_buf; register const MPA_INT *w, *w2, *p; int j, offset, v; OUT_INT *samples2; #if FRAC_BITS <= 15 int sum, sum2; #else int64_t sum, sum2; #endif dct32(tmp, sb_samples); offset = *synth_buf_offset; synth_buf = synth_buf_ptr + offset; for(j=0;j<32;j++) { v = tmp[j]; #if FRAC_BITS <= 15 v = av_clip_int16(v); #endif synth_buf[j] = v; } memcpy(synth_buf + 512, synth_buf, 32 * sizeof(MPA_INT)); samples2 = samples + 31 * incr; w = window; w2 = window + 31; sum = *dither_state; p = synth_buf + 16; SUM8(sum, +=, w, p); p = synth_buf + 48; SUM8(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, +=, sum2, -=, w, w2, p); p = synth_buf + 48 - j; SUM8P2(sum, -=, sum2, -=, 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(sum, -=, w + 32, p); *samples = round_sample(&sum); *dither_state= sum; offset = (offset - 32) & 511; *synth_buf_offset = offset; }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/mpegaudiodec.c/#L923
d2a_code_data_45428
int i2o_SCT(const SCT *sct, unsigned char **out) { size_t len; unsigned char *p = NULL; if (!SCT_is_complete(sct)) { CTerr(CT_F_I2O_SCT, CT_R_SCT_NOT_SET); goto err; } if (sct->version == SCT_VERSION_V1) len = 43 + sct->ext_len + 4 + sct->sig_len; else len = sct->sct_len; if (out == NULL) return len; if (*out != NULL) { p = *out; *out += len; } else { p = OPENSSL_malloc(len); if (p == NULL) { CTerr(CT_F_I2O_SCT, ERR_R_MALLOC_FAILURE); goto err; } *out = p; } if (sct->version == SCT_VERSION_V1) { *p++ = sct->version; memcpy(p, sct->log_id, CT_V1_HASHLEN); p += CT_V1_HASHLEN; l2n8(sct->timestamp, p); s2n(sct->ext_len, p); if (sct->ext_len > 0) { memcpy(p, sct->ext, sct->ext_len); p += sct->ext_len; } if (i2o_SCT_signature(sct, &p) <= 0) goto err; } else { memcpy(p, sct->sct, len); } return len; err: OPENSSL_free(p); return -1; }
https://github.com/openssl/openssl/blob/0cea8832df37d8fd3e664caec8abbdaa002122b1/crypto/ct/ct_oct.c/#L310
d2a_code_data_45429
BIO *bio_open_owner(const char *filename, int format, int private) { FILE *fp = NULL; BIO *b = NULL; int fd = -1, bflags, mode, binmode; if (!private || filename == NULL || strcmp(filename, "-") == 0) return bio_open_default(filename, 'w', format); mode = O_WRONLY; #ifdef O_CREAT mode |= O_CREAT; #endif #ifdef O_TRUNC mode |= O_TRUNC; #endif binmode = istext(format); if (binmode) { #ifdef O_BINARY mode |= O_BINARY; #elif defined(_O_BINARY) mode |= _O_BINARY; #endif } fd = open(filename, mode, 0600); if (fd < 0) goto err; fp = fdopen(fd, modestr('w', format)); if (fp == NULL) goto err; bflags = BIO_CLOSE; if (!binmode) bflags |= BIO_FP_TEXT; b = BIO_new_fp(fp, bflags); if (b) return b; err: BIO_printf(bio_err, "%s: Can't open \"%s\" for writing, %s\n", opt_getprog(), filename, strerror(errno)); ERR_print_errors(bio_err); if (fp) fclose(fp); else if (fd >= 0) close(fd); return NULL; }
https://github.com/openssl/openssl/blob/aec27d4d5210234560deab85c97bd453535f66ae/apps/apps.c/#L2819
d2a_code_data_45430
void avcodec_default_release_buffer(AVCodecContext *s, AVFrame *pic){ int i; InternalBuffer *buf, *last; assert(pic->type==FF_BUFFER_TYPE_INTERNAL); assert(s->internal_buffer_count); if(s->internal_buffer){ buf = NULL; for(i=0; i<s->internal_buffer_count; i++){ buf= &((InternalBuffer*)s->internal_buffer)[i]; if(buf->data[0] == pic->data[0]) break; } assert(i < s->internal_buffer_count); s->internal_buffer_count--; last = &((InternalBuffer*)s->internal_buffer)[s->internal_buffer_count]; FFSWAP(InternalBuffer, *buf, *last); } for(i=0; i<4; i++){ pic->data[i]=NULL; } if(s->debug&FF_DEBUG_BUFFERS) av_log(s, AV_LOG_DEBUG, "default_release_buffer called on pic %p, %d buffers used\n", pic, s->internal_buffer_count); }
https://github.com/libav/libav/blob/6a9c85944427e3c4355bce67d7f677ec69527bff/libavcodec/utils.c/#L374
d2a_code_data_45431
static ngx_int_t ngx_http_uwsgi_create_request(ngx_http_request_t *r) { u_char ch, *lowcase_key; size_t key_len, val_len, len, allocated; ngx_uint_t i, n, hash, skip_empty, header_params; ngx_buf_t *b; ngx_chain_t *cl, *body; ngx_list_part_t *part; ngx_table_elt_t *header, **ignored; ngx_http_uwsgi_params_t *params; ngx_http_script_code_pt code; ngx_http_script_engine_t e, le; ngx_http_uwsgi_loc_conf_t *uwcf; ngx_http_script_len_code_pt lcode; len = 0; header_params = 0; ignored = NULL; uwcf = ngx_http_get_module_loc_conf(r, ngx_http_uwsgi_module); #if (NGX_HTTP_CACHE) params = r->upstream->cacheable ? &uwcf->params_cache : &uwcf->params; #else params = &uwcf->params; #endif if (params->lengths) { ngx_memzero(&le, sizeof(ngx_http_script_engine_t)); ngx_http_script_flush_no_cacheable_variables(r, params->flushes); le.flushed = 1; le.ip = params->lengths->elts; le.request = r; while (*(uintptr_t *) le.ip) { lcode = *(ngx_http_script_len_code_pt *) le.ip; key_len = lcode(&le); lcode = *(ngx_http_script_len_code_pt *) le.ip; skip_empty = lcode(&le); for (val_len = 0; *(uintptr_t *) le.ip; val_len += lcode(&le)) { lcode = *(ngx_http_script_len_code_pt *) le.ip; } le.ip += sizeof(uintptr_t); if (skip_empty && val_len == 0) { continue; } len += 2 + key_len + 2 + val_len; } } if (uwcf->upstream.pass_request_headers) { allocated = 0; lowcase_key = NULL; if (params->number) { n = 0; part = &r->headers_in.headers.part; while (part) { n += part->nelts; part = part->next; } ignored = ngx_palloc(r->pool, n * sizeof(void *)); if (ignored == NULL) { return NGX_ERROR; } } part = &r->headers_in.headers.part; header = part->elts; for (i = 0; ; i++) { if (i >= part->nelts) { if (part->next == NULL) { break; } part = part->next; header = part->elts; i = 0; } if (params->number) { if (allocated < header[i].key.len) { allocated = header[i].key.len + 16; lowcase_key = ngx_pnalloc(r->pool, allocated); if (lowcase_key == NULL) { return NGX_ERROR; } } hash = 0; for (n = 0; n < header[i].key.len; n++) { ch = header[i].key.data[n]; if (ch >= 'A' && ch <= 'Z') { ch |= 0x20; } else if (ch == '-') { ch = '_'; } hash = ngx_hash(hash, ch); lowcase_key[n] = ch; } if (ngx_hash_find(&params->hash, hash, lowcase_key, n)) { ignored[header_params++] = &header[i]; continue; } } len += 2 + sizeof("HTTP_") - 1 + header[i].key.len + 2 + header[i].value.len; } } len += uwcf->uwsgi_string.len; #if 0 if (len > 0 && len < 2) { ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, "uwsgi request is too little: %uz", len); return NGX_ERROR; } #endif if (len > 65535) { ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, "uwsgi request is too big: %uz", len); return NGX_ERROR; } b = ngx_create_temp_buf(r->pool, len + 4); if (b == NULL) { return NGX_ERROR; } cl = ngx_alloc_chain_link(r->pool); if (cl == NULL) { return NGX_ERROR; } cl->buf = b; *b->last++ = (u_char) uwcf->modifier1; *b->last++ = (u_char) (len & 0xff); *b->last++ = (u_char) ((len >> 8) & 0xff); *b->last++ = (u_char) uwcf->modifier2; if (params->lengths) { ngx_memzero(&e, sizeof(ngx_http_script_engine_t)); e.ip = params->values->elts; e.pos = b->last; e.request = r; e.flushed = 1; le.ip = params->lengths->elts; while (*(uintptr_t *) le.ip) { lcode = *(ngx_http_script_len_code_pt *) le.ip; key_len = (u_char) lcode(&le); lcode = *(ngx_http_script_len_code_pt *) le.ip; skip_empty = lcode(&le); for (val_len = 0; *(uintptr_t *) le.ip; val_len += lcode(&le)) { lcode = *(ngx_http_script_len_code_pt *) le.ip; } le.ip += sizeof(uintptr_t); if (skip_empty && val_len == 0) { e.skip = 1; while (*(uintptr_t *) e.ip) { code = *(ngx_http_script_code_pt *) e.ip; code((ngx_http_script_engine_t *) &e); } e.ip += sizeof(uintptr_t); e.skip = 0; continue; } *e.pos++ = (u_char) (key_len & 0xff); *e.pos++ = (u_char) ((key_len >> 8) & 0xff); code = *(ngx_http_script_code_pt *) e.ip; code((ngx_http_script_engine_t *) &e); *e.pos++ = (u_char) (val_len & 0xff); *e.pos++ = (u_char) ((val_len >> 8) & 0xff); while (*(uintptr_t *) e.ip) { code = *(ngx_http_script_code_pt *) e.ip; code((ngx_http_script_engine_t *) &e); } e.ip += sizeof(uintptr_t); ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "uwsgi param: \"%*s: %*s\"", key_len, e.pos - (key_len + 2 + val_len), val_len, e.pos - val_len); } b->last = e.pos; } if (uwcf->upstream.pass_request_headers) { part = &r->headers_in.headers.part; header = part->elts; for (i = 0; ; i++) { if (i >= part->nelts) { if (part->next == NULL) { break; } part = part->next; header = part->elts; i = 0; } for (n = 0; n < header_params; n++) { if (&header[i] == ignored[n]) { goto next; } } key_len = sizeof("HTTP_") - 1 + header[i].key.len; *b->last++ = (u_char) (key_len & 0xff); *b->last++ = (u_char) ((key_len >> 8) & 0xff); b->last = ngx_cpymem(b->last, "HTTP_", sizeof("HTTP_") - 1); for (n = 0; n < header[i].key.len; n++) { ch = header[i].key.data[n]; if (ch >= 'a' && ch <= 'z') { ch &= ~0x20; } else if (ch == '-') { ch = '_'; } *b->last++ = ch; } val_len = header[i].value.len; *b->last++ = (u_char) (val_len & 0xff); *b->last++ = (u_char) ((val_len >> 8) & 0xff); b->last = ngx_copy(b->last, header[i].value.data, val_len); ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "uwsgi param: \"%*s: %*s\"", key_len, b->last - (key_len + 2 + val_len), val_len, b->last - val_len); next: continue; } } b->last = ngx_copy(b->last, uwcf->uwsgi_string.data, uwcf->uwsgi_string.len); if (r->request_body_no_buffering) { r->upstream->request_bufs = cl; } else if (uwcf->upstream.pass_request_body) { body = r->upstream->request_bufs; r->upstream->request_bufs = cl; while (body) { b = ngx_alloc_buf(r->pool); if (b == NULL) { return NGX_ERROR; } ngx_memcpy(b, body->buf, sizeof(ngx_buf_t)); cl->next = ngx_alloc_chain_link(r->pool); if (cl->next == NULL) { return NGX_ERROR; } cl = cl->next; cl->buf = b; body = body->next; } } else { r->upstream->request_bufs = cl; } cl->next = NULL; return NGX_OK; }
https://github.com/nginx/nginx/blob/b71792b11086d9df748f36d02f93d360d135cd7c/src/http/modules/ngx_http_uwsgi_module.c/#L1024
d2a_code_data_45432
void ff_mpa_synth_filter(MPA_INT *synth_buf_ptr, int *synth_buf_offset, MPA_INT *window, int *dither_state, OUT_INT *samples, int incr, int32_t sb_samples[SBLIMIT]) { int32_t tmp[32]; register MPA_INT *synth_buf; register const MPA_INT *w, *w2, *p; int j, offset, v; OUT_INT *samples2; #if FRAC_BITS <= 15 int sum, sum2; #else int64_t sum, sum2; #endif dct32(tmp, sb_samples); offset = *synth_buf_offset; synth_buf = synth_buf_ptr + offset; for(j=0;j<32;j++) { v = tmp[j]; #if FRAC_BITS <= 15 v = av_clip_int16(v); #endif synth_buf[j] = v; } memcpy(synth_buf + 512, synth_buf, 32 * sizeof(MPA_INT)); samples2 = samples + 31 * incr; w = window; w2 = window + 31; sum = *dither_state; p = synth_buf + 16; SUM8(sum, +=, w, p); p = synth_buf + 48; SUM8(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, +=, sum2, -=, w, w2, p); p = synth_buf + 48 - j; SUM8P2(sum, -=, sum2, -=, 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(sum, -=, w + 32, p); *samples = round_sample(&sum); *dither_state= sum; offset = (offset - 32) & 511; *synth_buf_offset = offset; }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/mpegaudiodec.c/#L923
d2a_code_data_45433
static av_always_inline int epzs_motion_search_internal(MpegEncContext * s, int *mx_ptr, int *my_ptr, int P[10][2], int src_index, int ref_index, int16_t (*last_mv)[2], int ref_mv_scale, int flags, int size, int h) { MotionEstContext * const c= &s->me; int best[2]={0, 0}; int d; int dmin; int map_generation; int penalty_factor; const int ref_mv_stride= s->mb_stride; const int ref_mv_xy= s->mb_x + s->mb_y*ref_mv_stride; me_cmp_func cmpf, chroma_cmpf; LOAD_COMMON LOAD_COMMON2 if(c->pre_pass){ penalty_factor= c->pre_penalty_factor; cmpf= s->dsp.me_pre_cmp[size]; chroma_cmpf= s->dsp.me_pre_cmp[size+1]; }else{ penalty_factor= c->penalty_factor; cmpf= s->dsp.me_cmp[size]; chroma_cmpf= s->dsp.me_cmp[size+1]; } map_generation= update_map_generation(c); assert(cmpf); dmin= cmp(s, 0, 0, 0, 0, size, h, ref_index, src_index, cmpf, chroma_cmpf, flags); map[0]= map_generation; score_map[0]= dmin; if((s->pict_type == FF_B_TYPE && !(c->flags & FLAG_DIRECT)) || s->flags&CODEC_FLAG_MV0) dmin += (mv_penalty[pred_x] + mv_penalty[pred_y])*penalty_factor; if (s->first_slice_line) { CHECK_MV(P_LEFT[0]>>shift, P_LEFT[1]>>shift) CHECK_CLIPPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16, (last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16) }else{ if(dmin<((h*h*s->avctx->mv0_threshold)>>8) && ( P_LEFT[0] |P_LEFT[1] |P_TOP[0] |P_TOP[1] |P_TOPRIGHT[0]|P_TOPRIGHT[1])==0){ *mx_ptr= 0; *my_ptr= 0; c->skip=1; return dmin; } CHECK_MV( P_MEDIAN[0] >>shift , P_MEDIAN[1] >>shift) CHECK_CLIPPED_MV((P_MEDIAN[0]>>shift) , (P_MEDIAN[1]>>shift)-1) CHECK_CLIPPED_MV((P_MEDIAN[0]>>shift) , (P_MEDIAN[1]>>shift)+1) CHECK_CLIPPED_MV((P_MEDIAN[0]>>shift)-1, (P_MEDIAN[1]>>shift) ) CHECK_CLIPPED_MV((P_MEDIAN[0]>>shift)+1, (P_MEDIAN[1]>>shift) ) CHECK_CLIPPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16, (last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16) CHECK_MV(P_LEFT[0] >>shift, P_LEFT[1] >>shift) CHECK_MV(P_TOP[0] >>shift, P_TOP[1] >>shift) CHECK_MV(P_TOPRIGHT[0]>>shift, P_TOPRIGHT[1]>>shift) } if(dmin>h*h*4){ if(c->pre_pass){ CHECK_CLIPPED_MV((last_mv[ref_mv_xy-1][0]*ref_mv_scale + (1<<15))>>16, (last_mv[ref_mv_xy-1][1]*ref_mv_scale + (1<<15))>>16) if(!s->first_slice_line) CHECK_CLIPPED_MV((last_mv[ref_mv_xy-ref_mv_stride][0]*ref_mv_scale + (1<<15))>>16, (last_mv[ref_mv_xy-ref_mv_stride][1]*ref_mv_scale + (1<<15))>>16) }else{ CHECK_CLIPPED_MV((last_mv[ref_mv_xy+1][0]*ref_mv_scale + (1<<15))>>16, (last_mv[ref_mv_xy+1][1]*ref_mv_scale + (1<<15))>>16) if(s->mb_y+1<s->end_mb_y) CHECK_CLIPPED_MV((last_mv[ref_mv_xy+ref_mv_stride][0]*ref_mv_scale + (1<<15))>>16, (last_mv[ref_mv_xy+ref_mv_stride][1]*ref_mv_scale + (1<<15))>>16) } } if(c->avctx->last_predictor_count){ const int count= c->avctx->last_predictor_count; const int xstart= FFMAX(0, s->mb_x - count); const int ystart= FFMAX(0, s->mb_y - count); const int xend= FFMIN(s->mb_width , s->mb_x + count + 1); const int yend= FFMIN(s->mb_height, s->mb_y + count + 1); int mb_y; for(mb_y=ystart; mb_y<yend; mb_y++){ int mb_x; for(mb_x=xstart; mb_x<xend; mb_x++){ const int xy= mb_x + 1 + (mb_y + 1)*ref_mv_stride; int mx= (last_mv[xy][0]*ref_mv_scale + (1<<15))>>16; int my= (last_mv[xy][1]*ref_mv_scale + (1<<15))>>16; if(mx>xmax || mx<xmin || my>ymax || my<ymin) continue; CHECK_MV(mx,my) } } } dmin= diamond_search(s, best, dmin, src_index, ref_index, penalty_factor, size, h, flags); *mx_ptr= best[0]; *my_ptr= best[1]; return dmin; }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/motion_est_template.c/#L1063
d2a_code_data_45434
int BUF_MEM_grow_clean(BUF_MEM *str, size_t len) { char *ret; size_t n; if (str->length >= len) { memset(&str->data[len],0,str->length-len); str->length=len; return(len); } if (str->max >= len) { memset(&str->data[str->length],0,len-str->length); str->length=len; return(len); } if (len > LIMIT_BEFORE_EXPANSION) { BUFerr(BUF_F_BUF_MEM_GROW_CLEAN,ERR_R_MALLOC_FAILURE); return 0; } n=(len+3)/3*4; if (str->data == NULL) ret=OPENSSL_malloc(n); else ret=OPENSSL_realloc_clean(str->data,str->max,n); if (ret == NULL) { BUFerr(BUF_F_BUF_MEM_GROW_CLEAN,ERR_R_MALLOC_FAILURE); len=0; } else { str->data=ret; str->max=n; memset(&str->data[str->length],0,len-str->length); str->length=len; } return(len); }
https://github.com/openssl/openssl/blob/66f96fe2d519147097c118d4bf60704c69ed0635/crypto/buffer/buffer.c/#L146
d2a_code_data_45435
static enum CodecID find_codec_or_die(const char *name, int type, int encoder, int strict) { const char *codec_string = encoder ? "encoder" : "decoder"; AVCodec *codec; if(!name) return CODEC_ID_NONE; codec = encoder ? avcodec_find_encoder_by_name(name) : avcodec_find_decoder_by_name(name); if(!codec) { fprintf(stderr, "Unknown %s '%s'\n", codec_string, name); ffmpeg_exit(1); } if(codec->type != type) { fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name); ffmpeg_exit(1); } if(codec->capabilities & CODEC_CAP_EXPERIMENTAL && strict > FF_COMPLIANCE_EXPERIMENTAL) { fprintf(stderr, "%s '%s' is experimental and might produce bad " "results.\nAdd '-strict experimental' if you want to use it.\n", codec_string, codec->name); codec = encoder ? avcodec_find_encoder(codec->id) : avcodec_find_decoder(codec->id); if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL)) fprintf(stderr, "Or use the non experimental %s '%s'.\n", codec_string, codec->name); ffmpeg_exit(1); } return codec->id; }
https://github.com/libav/libav/blob/a6286bda0956bfe15b4e1a9f96e1689666e1d866/ffmpeg.c/#L3121
d2a_code_data_45436
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); }
https://github.com/openssl/openssl/blob/d7c42d71ba407a4b3c26ed58263ae225976bbac3/crypto/bn/bn_sqr.c/#L120
d2a_code_data_45437
static void doapr_outch(char **sbuffer, char **buffer, size_t *currlen, size_t *maxlen, int c) { assert(*sbuffer != NULL || buffer != NULL); if (buffer) { while (*currlen >= *maxlen) { if (*buffer == NULL) { if (*maxlen == 0) *maxlen = 1024; *buffer = OPENSSL_malloc(*maxlen); if(!*buffer) { return; } if (*currlen > 0) { assert(*sbuffer != NULL); memcpy(*buffer, *sbuffer, *currlen); } *sbuffer = NULL; } else { *maxlen += 1024; *buffer = OPENSSL_realloc(*buffer, *maxlen); if(!*buffer) { return; } } } assert(*sbuffer != NULL || *buffer != NULL); } if (*currlen < *maxlen) { if (*sbuffer) (*sbuffer)[(*currlen)++] = (char)c; else (*buffer)[(*currlen)++] = (char)c; } return; }
https://github.com/openssl/openssl/blob/ac5a110621ca48f0bebd5b4d76d081de403da29e/crypto/bio/b_print.c/#L740
d2a_code_data_45438
static inline void idct4row(DCTELEM *row) { int c0, c1, c2, c3, a0, a1, a2, a3; a0 = row[0]; a1 = row[1]; a2 = row[2]; a3 = row[3]; c0 = (a0 + a2)*R3 + (1 << (R_SHIFT - 1)); c2 = (a0 - a2)*R3 + (1 << (R_SHIFT - 1)); c1 = a1 * R1 + a3 * R2; c3 = a1 * R2 - a3 * R1; row[0]= (c0 + c1) >> R_SHIFT; row[1]= (c2 + c3) >> R_SHIFT; row[2]= (c2 - c3) >> R_SHIFT; row[3]= (c0 - c1) >> R_SHIFT; }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/simple_idct.c/#L547
d2a_code_data_45439
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; }
https://github.com/openssl/openssl/blob/757264207ad8650a89ea903d48ad89f61d56ea9c/crypto/bn/bn_lib.c/#L271
d2a_code_data_45440
unsigned char *next_protos_parse(size_t *outlen, const char *in) { size_t len; unsigned char *out; size_t i, start = 0; len = strlen(in); if (len >= 65535) return NULL; out = app_malloc(strlen(in) + 1, "NPN buffer"); for (i = 0; i <= len; ++i) { if (i == len || in[i] == ',') { if (i - start > 255) { OPENSSL_free(out); return NULL; } out[start] = (unsigned char)(i - start); start = i + 1; } else { out[i + 1] = in[i]; } } *outlen = len + 1; return out; }
https://github.com/openssl/openssl/blob/d3620841cc39aaa4a3d75ea32e94ccd110b5bef4/apps/apps.c/#L1815
d2a_code_data_45441
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); }
https://github.com/openssl/openssl/blob/b90506e995d44dee0ef4dd0324b56b59154256c2/crypto/bn/bn_sqr.c/#L119
d2a_code_data_45442
static unsigned int BN_STACK_pop(BN_STACK *st) { return st->indexes[--(st->depth)]; }
https://github.com/openssl/openssl/blob/18e1e302452e6dea4500b6f981cee7e151294dea/crypto/bn/bn_ctx.c/#L268
d2a_code_data_45443
static unsigned int BN_STACK_pop(BN_STACK *st) { return st->indexes[--(st->depth)]; }
https://github.com/openssl/openssl/blob/fff684168c7923aa85e6b4381d71d933396e32b0/crypto/bn/bn_ctx.c/#L268
d2a_code_data_45444
static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame_ptr, AVPacket *avpkt) { BinkAudioContext *s = avctx->priv_data; GetBitContext *gb = &s->gb; int ret, consumed = 0; if (!get_bits_left(gb)) { uint8_t *buf; if (!avpkt->size) { *got_frame_ptr = 0; return 0; } if (avpkt->size < 4) { av_log(avctx, AV_LOG_ERROR, "Packet is too small\n"); return AVERROR_INVALIDDATA; } buf = av_realloc(s->packet_buffer, avpkt->size + FF_INPUT_BUFFER_PADDING_SIZE); if (!buf) return AVERROR(ENOMEM); s->packet_buffer = buf; memcpy(s->packet_buffer, avpkt->data, avpkt->size); init_get_bits(gb, s->packet_buffer, avpkt->size * 8); consumed = avpkt->size; skip_bits_long(gb, 32); } s->frame.nb_samples = s->frame_len; if ((ret = avctx->get_buffer(avctx, &s->frame)) < 0) { av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n"); return ret; } if (decode_block(s, (float **)s->frame.extended_data, avctx->codec->id == AV_CODEC_ID_BINKAUDIO_DCT)) { av_log(avctx, AV_LOG_ERROR, "Incomplete packet\n"); return AVERROR_INVALIDDATA; } get_bits_align32(gb); s->frame.nb_samples = s->block_size / avctx->channels; *got_frame_ptr = 1; *(AVFrame *)data = s->frame; return consumed; }
https://github.com/libav/libav/blob/7bfd1766d1c18f07b0a2dd042418a874d49ea60d/libavcodec/binkaudio.c/#L333
d2a_code_data_45445
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; }
https://github.com/openssl/openssl/blob/3051bf2afab7ac8b7b9c64e68755d1addd2fb8ff/crypto/bn/bn_lib.c/#L291
d2a_code_data_45446
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; }
https://github.com/openssl/openssl/blob/e4e1aa903e624044d3319622fc50222f1b2c7328/ssl/packet.c/#L46
d2a_code_data_45447
static av_always_inline void encode_mb_internal(MpegEncContext *s, int motion_x, int motion_y, int mb_block_height, int mb_block_count) { int16_t weight[8][64]; DCTELEM orig[8][64]; const int mb_x= s->mb_x; const int mb_y= s->mb_y; int i; int skip_dct[8]; int dct_offset = s->linesize*8; uint8_t *ptr_y, *ptr_cb, *ptr_cr; int wrap_y, wrap_c; for(i=0; i<mb_block_count; i++) skip_dct[i]=s->skipdct; if(s->adaptive_quant){ const int last_qp= s->qscale; const int mb_xy= mb_x + mb_y*s->mb_stride; s->lambda= s->lambda_table[mb_xy]; update_qscale(s); if(!(s->flags&CODEC_FLAG_QP_RD)){ s->qscale= s->current_picture_ptr->qscale_table[mb_xy]; s->dquant= s->qscale - last_qp; if(s->out_format==FMT_H263){ s->dquant= av_clip(s->dquant, -2, 2); if(s->codec_id==CODEC_ID_MPEG4){ if(!s->mb_intra){ if(s->pict_type == FF_B_TYPE){ if(s->dquant&1 || s->mv_dir&MV_DIRECT) s->dquant= 0; } if(s->mv_type==MV_TYPE_8X8) s->dquant=0; } } } } ff_set_qscale(s, last_qp + s->dquant); }else if(s->flags&CODEC_FLAG_QP_RD) ff_set_qscale(s, s->qscale + s->dquant); wrap_y = s->linesize; wrap_c = s->uvlinesize; ptr_y = s->new_picture.data[0] + (mb_y * 16 * wrap_y) + mb_x * 16; ptr_cb = s->new_picture.data[1] + (mb_y * mb_block_height * wrap_c) + mb_x * 8; ptr_cr = s->new_picture.data[2] + (mb_y * mb_block_height * wrap_c) + mb_x * 8; if(mb_x*16+16 > s->width || mb_y*16+16 > s->height){ uint8_t *ebuf= s->edge_emu_buffer + 32; ff_emulated_edge_mc(ebuf , ptr_y , wrap_y,16,16,mb_x*16,mb_y*16, s->width , s->height); ptr_y= ebuf; ff_emulated_edge_mc(ebuf+18*wrap_y , ptr_cb, wrap_c, 8, mb_block_height, mb_x*8, mb_y*8, s->width>>1, s->height>>1); ptr_cb= ebuf+18*wrap_y; ff_emulated_edge_mc(ebuf+18*wrap_y+8, ptr_cr, wrap_c, 8, mb_block_height, mb_x*8, mb_y*8, s->width>>1, s->height>>1); ptr_cr= ebuf+18*wrap_y+8; } if (s->mb_intra) { if(s->flags&CODEC_FLAG_INTERLACED_DCT){ int progressive_score, interlaced_score; s->interlaced_dct=0; progressive_score= s->dsp.ildct_cmp[4](s, ptr_y , NULL, wrap_y, 8) +s->dsp.ildct_cmp[4](s, ptr_y + wrap_y*8, NULL, wrap_y, 8) - 400; if(progressive_score > 0){ interlaced_score = s->dsp.ildct_cmp[4](s, ptr_y , NULL, wrap_y*2, 8) +s->dsp.ildct_cmp[4](s, ptr_y + wrap_y , NULL, wrap_y*2, 8); if(progressive_score > interlaced_score){ s->interlaced_dct=1; dct_offset= wrap_y; wrap_y<<=1; if (s->chroma_format == CHROMA_422) wrap_c<<=1; } } } s->dsp.get_pixels(s->block[0], ptr_y , wrap_y); s->dsp.get_pixels(s->block[1], ptr_y + 8, wrap_y); s->dsp.get_pixels(s->block[2], ptr_y + dct_offset , wrap_y); s->dsp.get_pixels(s->block[3], ptr_y + dct_offset + 8, wrap_y); if(s->flags&CODEC_FLAG_GRAY){ skip_dct[4]= 1; skip_dct[5]= 1; }else{ s->dsp.get_pixels(s->block[4], ptr_cb, wrap_c); s->dsp.get_pixels(s->block[5], ptr_cr, wrap_c); if(!s->chroma_y_shift){ s->dsp.get_pixels(s->block[6], ptr_cb + (dct_offset>>1), wrap_c); s->dsp.get_pixels(s->block[7], ptr_cr + (dct_offset>>1), wrap_c); } } }else{ op_pixels_func (*op_pix)[4]; qpel_mc_func (*op_qpix)[16]; uint8_t *dest_y, *dest_cb, *dest_cr; dest_y = s->dest[0]; dest_cb = s->dest[1]; dest_cr = s->dest[2]; if ((!s->no_rounding) || s->pict_type==FF_B_TYPE){ op_pix = s->dsp.put_pixels_tab; op_qpix= s->dsp.put_qpel_pixels_tab; }else{ op_pix = s->dsp.put_no_rnd_pixels_tab; op_qpix= s->dsp.put_no_rnd_qpel_pixels_tab; } if (s->mv_dir & MV_DIR_FORWARD) { MPV_motion(s, dest_y, dest_cb, dest_cr, 0, s->last_picture.data, op_pix, op_qpix); op_pix = s->dsp.avg_pixels_tab; op_qpix= s->dsp.avg_qpel_pixels_tab; } if (s->mv_dir & MV_DIR_BACKWARD) { MPV_motion(s, dest_y, dest_cb, dest_cr, 1, s->next_picture.data, op_pix, op_qpix); } if(s->flags&CODEC_FLAG_INTERLACED_DCT){ int progressive_score, interlaced_score; s->interlaced_dct=0; progressive_score= s->dsp.ildct_cmp[0](s, dest_y , ptr_y , wrap_y, 8) +s->dsp.ildct_cmp[0](s, dest_y + wrap_y*8, ptr_y + wrap_y*8, wrap_y, 8) - 400; if(s->avctx->ildct_cmp == FF_CMP_VSSE) progressive_score -= 400; if(progressive_score>0){ interlaced_score = s->dsp.ildct_cmp[0](s, dest_y , ptr_y , wrap_y*2, 8) +s->dsp.ildct_cmp[0](s, dest_y + wrap_y , ptr_y + wrap_y , wrap_y*2, 8); if(progressive_score > interlaced_score){ s->interlaced_dct=1; dct_offset= wrap_y; wrap_y<<=1; if (s->chroma_format == CHROMA_422) wrap_c<<=1; } } } s->dsp.diff_pixels(s->block[0], ptr_y , dest_y , wrap_y); s->dsp.diff_pixels(s->block[1], ptr_y + 8, dest_y + 8, wrap_y); s->dsp.diff_pixels(s->block[2], ptr_y + dct_offset , dest_y + dct_offset , wrap_y); s->dsp.diff_pixels(s->block[3], ptr_y + dct_offset + 8, dest_y + dct_offset + 8, wrap_y); if(s->flags&CODEC_FLAG_GRAY){ skip_dct[4]= 1; skip_dct[5]= 1; }else{ s->dsp.diff_pixels(s->block[4], ptr_cb, dest_cb, wrap_c); s->dsp.diff_pixels(s->block[5], ptr_cr, dest_cr, wrap_c); if(!s->chroma_y_shift){ s->dsp.diff_pixels(s->block[6], ptr_cb + (dct_offset>>1), dest_cb + (dct_offset>>1), wrap_c); s->dsp.diff_pixels(s->block[7], ptr_cr + (dct_offset>>1), dest_cr + (dct_offset>>1), wrap_c); } } if(s->current_picture.mc_mb_var[s->mb_stride*mb_y+ mb_x]<2*s->qscale*s->qscale){ if(s->dsp.sad[1](NULL, ptr_y , dest_y , wrap_y, 8) < 20*s->qscale) skip_dct[0]= 1; if(s->dsp.sad[1](NULL, ptr_y + 8, dest_y + 8, wrap_y, 8) < 20*s->qscale) skip_dct[1]= 1; if(s->dsp.sad[1](NULL, ptr_y +dct_offset , dest_y +dct_offset , wrap_y, 8) < 20*s->qscale) skip_dct[2]= 1; if(s->dsp.sad[1](NULL, ptr_y +dct_offset+ 8, dest_y +dct_offset+ 8, wrap_y, 8) < 20*s->qscale) skip_dct[3]= 1; if(s->dsp.sad[1](NULL, ptr_cb , dest_cb , wrap_c, 8) < 20*s->qscale) skip_dct[4]= 1; if(s->dsp.sad[1](NULL, ptr_cr , dest_cr , wrap_c, 8) < 20*s->qscale) skip_dct[5]= 1; if(!s->chroma_y_shift){ if(s->dsp.sad[1](NULL, ptr_cb +(dct_offset>>1), dest_cb +(dct_offset>>1), wrap_c, 8) < 20*s->qscale) skip_dct[6]= 1; if(s->dsp.sad[1](NULL, ptr_cr +(dct_offset>>1), dest_cr +(dct_offset>>1), wrap_c, 8) < 20*s->qscale) skip_dct[7]= 1; } } } if(s->avctx->quantizer_noise_shaping){ if(!skip_dct[0]) get_visual_weight(weight[0], ptr_y , wrap_y); if(!skip_dct[1]) get_visual_weight(weight[1], ptr_y + 8, wrap_y); if(!skip_dct[2]) get_visual_weight(weight[2], ptr_y + dct_offset , wrap_y); if(!skip_dct[3]) get_visual_weight(weight[3], ptr_y + dct_offset + 8, wrap_y); if(!skip_dct[4]) get_visual_weight(weight[4], ptr_cb , wrap_c); if(!skip_dct[5]) get_visual_weight(weight[5], ptr_cr , wrap_c); if(!s->chroma_y_shift){ if(!skip_dct[6]) get_visual_weight(weight[6], ptr_cb + (dct_offset>>1), wrap_c); if(!skip_dct[7]) get_visual_weight(weight[7], ptr_cr + (dct_offset>>1), wrap_c); } memcpy(orig[0], s->block[0], sizeof(DCTELEM)*64*mb_block_count); } assert(s->out_format!=FMT_MJPEG || s->qscale==8); { for(i=0;i<mb_block_count;i++) { if(!skip_dct[i]){ int overflow; s->block_last_index[i] = s->dct_quantize(s, s->block[i], i, s->qscale, &overflow); if (overflow) clip_coeffs(s, s->block[i], s->block_last_index[i]); }else s->block_last_index[i]= -1; } if(s->avctx->quantizer_noise_shaping){ for(i=0;i<mb_block_count;i++) { if(!skip_dct[i]){ s->block_last_index[i] = dct_quantize_refine(s, s->block[i], weight[i], orig[i], i, s->qscale); } } } if(s->luma_elim_threshold && !s->mb_intra) for(i=0; i<4; i++) dct_single_coeff_elimination(s, i, s->luma_elim_threshold); if(s->chroma_elim_threshold && !s->mb_intra) for(i=4; i<mb_block_count; i++) dct_single_coeff_elimination(s, i, s->chroma_elim_threshold); if(s->flags & CODEC_FLAG_CBP_RD){ for(i=0;i<mb_block_count;i++) { if(s->block_last_index[i] == -1) s->coded_score[i]= INT_MAX/256; } } } if((s->flags&CODEC_FLAG_GRAY) && s->mb_intra){ s->block_last_index[4]= s->block_last_index[5]= 0; s->block[4][0]= s->block[5][0]= (1024 + s->c_dc_scale/2)/ s->c_dc_scale; } if(s->alternate_scan && s->dct_quantize != dct_quantize_c){ for(i=0; i<mb_block_count; i++){ int j; if(s->block_last_index[i]>0){ for(j=63; j>0; j--){ if(s->block[i][ s->intra_scantable.permutated[j] ]) break; } s->block_last_index[i]= j; } } } switch(s->codec_id){ case CODEC_ID_MPEG1VIDEO: case CODEC_ID_MPEG2VIDEO: if (ENABLE_MPEG1VIDEO_ENCODER || ENABLE_MPEG2VIDEO_ENCODER) mpeg1_encode_mb(s, s->block, motion_x, motion_y); break; case CODEC_ID_MPEG4: if (ENABLE_MPEG4_ENCODER) mpeg4_encode_mb(s, s->block, motion_x, motion_y); break; case CODEC_ID_MSMPEG4V2: case CODEC_ID_MSMPEG4V3: case CODEC_ID_WMV1: if (ENABLE_MSMPEG4_ENCODER) msmpeg4_encode_mb(s, s->block, motion_x, motion_y); break; case CODEC_ID_WMV2: if (ENABLE_WMV2_ENCODER) ff_wmv2_encode_mb(s, s->block, motion_x, motion_y); break; case CODEC_ID_H261: if (ENABLE_H261_ENCODER) ff_h261_encode_mb(s, s->block, motion_x, motion_y); break; case CODEC_ID_H263: case CODEC_ID_H263P: case CODEC_ID_FLV1: case CODEC_ID_RV10: case CODEC_ID_RV20: if (ENABLE_H263_ENCODER || ENABLE_H263P_ENCODER || ENABLE_FLV_ENCODER || ENABLE_RV10_ENCODER || ENABLE_RV20_ENCODER) h263_encode_mb(s, s->block, motion_x, motion_y); break; case CODEC_ID_MJPEG: if (ENABLE_MJPEG_ENCODER) ff_mjpeg_encode_mb(s, s->block); break; default: assert(0); } }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/mpegvideo_enc.c/#L1655
d2a_code_data_45448
DECLAREContigPutFunc(putRGBAAcontig8bittile) { int samplesperpixel = img->samplesperpixel; (void) x; (void) y; fromskew *= samplesperpixel; while (h-- > 0) { UNROLL8(w, NOP, *cp++ = PACK4(pp[0], pp[1], pp[2], pp[3]); pp += samplesperpixel); cp += toskew; pp += fromskew; } }
https://gitlab.com/libtiff/libtiff/blob/771a4ea0a98c7a218c9f3add9a05e08d29625758/libtiff/tif_getimage.c/#L1261
d2a_code_data_45449
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_freep(&st->probe_data.buf); 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); }
https://github.com/libav/libav/blob/0a14fefd68cc18ce3252edff8a05ee9b3945b694/libavformat/utils.c/#L2528
d2a_code_data_45450
static char *make_config_name(void) { const char *t; size_t len; char *p; if ((t = getenv("OPENSSL_CONF")) != NULL) return OPENSSL_strdup(t); t = X509_get_default_cert_area(); len = strlen(t) + 1 + strlen(OPENSSL_CONF) + 1; p = app_malloc(len, "config filename buffer"); strcpy(p, t); #ifndef OPENSSL_SYS_VMS strcat(p, "/"); #endif strcat(p, OPENSSL_CONF); return p; }
https://github.com/openssl/openssl/blob/ce506d27ab5e7d17dfe3fe649768a0d19b6c86ee/apps/openssl.c/#L111
d2a_code_data_45451
int WPACKET_allocate_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; if (pkt->buf->length > SIZE_MAX / 2) { newlen = SIZE_MAX; } else { newlen = (pkt->buf->length == 0) ? DEFAULT_BUF_SIZE : pkt->buf->length * 2; } if (BUF_MEM_grow(pkt->buf, newlen) == 0) return 0; } *allocbytes = (unsigned char *)pkt->buf->data + pkt->curr; pkt->written += len; pkt->curr += len; return 1; }
https://github.com/openssl/openssl/blob/84d5549e692e63a16fa1b11603e4098fc31746e9/ssl/packet.c/#L25
d2a_code_data_45452
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; }
https://github.com/openssl/openssl/blob/260a16f33682a819414fcba6161708a5e6bdff50/crypto/bn/bn_lib.c/#L291
d2a_code_data_45453
char *X509_NAME_oneline(X509_NAME *a, char *buf, int len) { X509_NAME_ENTRY *ne; int i; int n, lold, l, l1, l2, num, j, type; const char *s; char *p; unsigned char *q; BUF_MEM *b = NULL; static const char hex[17] = "0123456789ABCDEF"; int gs_doit[4]; char tmp_buf[80]; #ifdef CHARSET_EBCDIC unsigned char ebcdic_buf[1024]; #endif if (buf == NULL) { if ((b = BUF_MEM_new()) == NULL) goto err; if (!BUF_MEM_grow(b, 200)) goto err; b->data[0] = '\0'; len = 200; } else if (len == 0) { return NULL; } if (a == NULL) { if (b) { buf = b->data; OPENSSL_free(b); } strncpy(buf, "NO X509_NAME", len); buf[len - 1] = '\0'; return buf; } len--; l = 0; for (i = 0; i < sk_X509_NAME_ENTRY_num(a->entries); i++) { ne = sk_X509_NAME_ENTRY_value(a->entries, i); n = OBJ_obj2nid(ne->object); if ((n == NID_undef) || ((s = OBJ_nid2sn(n)) == NULL)) { i2t_ASN1_OBJECT(tmp_buf, sizeof(tmp_buf), ne->object); s = tmp_buf; } l1 = strlen(s); type = ne->value->type; num = ne->value->length; q = ne->value->data; #ifdef CHARSET_EBCDIC if (type == V_ASN1_GENERALSTRING || type == V_ASN1_VISIBLESTRING || type == V_ASN1_PRINTABLESTRING || type == V_ASN1_TELETEXSTRING || type == V_ASN1_VISIBLESTRING || type == V_ASN1_IA5STRING) { ascii2ebcdic(ebcdic_buf, q, (num > (int)sizeof(ebcdic_buf)) ? (int)sizeof(ebcdic_buf) : num); q = ebcdic_buf; } #endif if ((type == V_ASN1_GENERALSTRING) && ((num % 4) == 0)) { gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 0; for (j = 0; j < num; j++) if (q[j] != 0) gs_doit[j & 3] = 1; if (gs_doit[0] | gs_doit[1] | gs_doit[2]) gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1; else { gs_doit[0] = gs_doit[1] = gs_doit[2] = 0; gs_doit[3] = 1; } } else gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1; for (l2 = j = 0; j < num; j++) { if (!gs_doit[j & 3]) continue; l2++; #ifndef CHARSET_EBCDIC if ((q[j] < ' ') || (q[j] > '~')) l2 += 3; #else if ((os_toascii[q[j]] < os_toascii[' ']) || (os_toascii[q[j]] > os_toascii['~'])) l2 += 3; #endif } lold = l; l += 1 + l1 + 1 + l2; if (b != NULL) { if (!BUF_MEM_grow(b, l + 1)) goto err; p = &(b->data[lold]); } else if (l > len) { break; } else p = &(buf[lold]); *(p++) = '/'; memcpy(p, s, (unsigned int)l1); p += l1; *(p++) = '='; #ifndef CHARSET_EBCDIC q = ne->value->data; #endif for (j = 0; j < num; j++) { if (!gs_doit[j & 3]) continue; #ifndef CHARSET_EBCDIC n = q[j]; if ((n < ' ') || (n > '~')) { *(p++) = '\\'; *(p++) = 'x'; *(p++) = hex[(n >> 4) & 0x0f]; *(p++) = hex[n & 0x0f]; } else *(p++) = n; #else n = os_toascii[q[j]]; if ((n < os_toascii[' ']) || (n > os_toascii['~'])) { *(p++) = '\\'; *(p++) = 'x'; *(p++) = hex[(n >> 4) & 0x0f]; *(p++) = hex[n & 0x0f]; } else *(p++) = q[j]; #endif } *p = '\0'; } if (b != NULL) { p = b->data; OPENSSL_free(b); } else p = buf; if (i == 0) *p = '\0'; return (p); err: X509err(X509_F_X509_NAME_ONELINE, ERR_R_MALLOC_FAILURE); BUF_MEM_free(b); return (NULL); }
https://github.com/openssl/openssl/blob/b33d1141b6dcce947708b984c5e9e91dad3d675d/crypto/x509/x509_obj.c/#L97