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d2a_code_data_43654
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_43655
static int build_chain(X509_STORE_CTX *ctx) { struct dane_st *dane = (struct dane_st *)ctx->dane; int (*cb) (int, X509_STORE_CTX *) = ctx->verify_cb; int num = sk_X509_num(ctx->chain); X509 *cert = sk_X509_value(ctx->chain, num - 1); int ss = cert_self_signed(cert); STACK_OF(X509) *sktmp = NULL; unsigned int search; int may_trusted = 0; int may_alternate = 0; int trust = X509_TRUST_UNTRUSTED; int alt_untrusted = 0; int depth; int ok = 0; int i; OPENSSL_assert(num == 1 && ctx->num_untrusted == num); #define S_DOUNTRUSTED (1 << 0) #define S_DOTRUSTED (1 << 1) #define S_DOALTERNATE (1 << 2) search = (ctx->untrusted != NULL) ? S_DOUNTRUSTED : 0; if (DANETLS_HAS_PKIX(dane) || !DANETLS_HAS_DANE(dane)) { if (search == 0 || ctx->param->flags & X509_V_FLAG_TRUSTED_FIRST) search |= S_DOTRUSTED; else if (!(ctx->param->flags & X509_V_FLAG_NO_ALT_CHAINS)) may_alternate = 1; may_trusted = 1; } if (ctx->untrusted && (sktmp = sk_X509_dup(ctx->untrusted)) == NULL) { X509err(X509_F_BUILD_CHAIN, ERR_R_MALLOC_FAILURE); return 0; } if (DANETLS_ENABLED(dane) && dane->certs != NULL) { for (i = 0; i < sk_X509_num(dane->certs); ++i) { if (!sk_X509_push(sktmp, sk_X509_value(dane->certs, i))) { sk_X509_free(sktmp); X509err(X509_F_BUILD_CHAIN, ERR_R_MALLOC_FAILURE); return 0; } } } if (ctx->param->depth > INT_MAX/2) ctx->param->depth = INT_MAX/2; depth = ctx->param->depth + 1; while (search != 0) { X509 *x; X509 *xtmp = NULL; if ((search & S_DOTRUSTED) != 0) { STACK_OF(X509) *hide = ctx->chain; i = num = sk_X509_num(ctx->chain); if ((search & S_DOALTERNATE) != 0) { i = alt_untrusted; } x = sk_X509_value(ctx->chain, i-1); ctx->chain = NULL; ok = (depth < num) ? 0 : ctx->get_issuer(&xtmp, ctx, x); ctx->chain = hide; if (ok < 0) { trust = X509_TRUST_REJECTED; search = 0; continue; } if (ok > 0) { if ((search & S_DOALTERNATE) != 0) { OPENSSL_assert(num > i && i > 0 && ss == 0); search &= ~S_DOALTERNATE; for (; num > i; --num) X509_free(sk_X509_pop(ctx->chain)); ctx->num_untrusted = num; if (DANETLS_ENABLED(dane) && dane->mdpth >= ctx->num_untrusted) { dane->mdpth = -1; X509_free(dane->mcert); dane->mcert = NULL; } if (DANETLS_ENABLED(dane) && dane->pdpth >= ctx->num_untrusted) dane->pdpth = -1; } if (ss == 0) { if (!sk_X509_push(ctx->chain, x = xtmp)) { X509_free(xtmp); X509err(X509_F_BUILD_CHAIN, ERR_R_MALLOC_FAILURE); trust = X509_TRUST_REJECTED; search = 0; continue; } ss = cert_self_signed(x); } else if (num == ctx->num_untrusted) { if (X509_cmp(x, xtmp) != 0) { X509_free(xtmp); ok = 0; } else { X509_free(x); ctx->num_untrusted = --num; (void) sk_X509_set(ctx->chain, num, x = xtmp); } } if (ok) { OPENSSL_assert(ctx->num_untrusted <= num); search &= ~S_DOUNTRUSTED; switch (trust = check_trust(ctx, num)) { case X509_TRUST_TRUSTED: case X509_TRUST_REJECTED: search = 0; continue; } if (ss == 0) continue; } } if ((search & S_DOUNTRUSTED) == 0) { if ((search & S_DOALTERNATE) != 0 && --alt_untrusted > 0) continue; if (!may_alternate || (search & S_DOALTERNATE) != 0 || ctx->num_untrusted < 2) break; search |= S_DOALTERNATE; alt_untrusted = ctx->num_untrusted - 1; ss = 0; } } if ((search & S_DOUNTRUSTED) != 0) { num = sk_X509_num(ctx->chain); OPENSSL_assert(num == ctx->num_untrusted); x = sk_X509_value(ctx->chain, num-1); xtmp = (depth < num) ? NULL : find_issuer(ctx, sktmp, x); if (xtmp == NULL) { search &= ~S_DOUNTRUSTED; if (may_trusted) search |= S_DOTRUSTED; continue; } if (!sk_X509_push(ctx->chain, x = xtmp)) { X509err(X509_F_BUILD_CHAIN, ERR_R_MALLOC_FAILURE); trust = X509_TRUST_REJECTED; search = 0; continue; } X509_up_ref(x); ++ctx->num_untrusted; ss = cert_self_signed(xtmp); (void) sk_X509_delete_ptr(sktmp, x); switch (trust = check_dane_issuer(ctx, ctx->num_untrusted - 1)) { case X509_TRUST_TRUSTED: case X509_TRUST_REJECTED: search = 0; continue; } } } sk_X509_free(sktmp); num = sk_X509_num(ctx->chain); if (num <= depth) { if (trust == X509_TRUST_UNTRUSTED && DANETLS_HAS_DANE_TA(dane)) trust = check_dane_pkeys(ctx); if (trust == X509_TRUST_UNTRUSTED && num == ctx->num_untrusted) trust = check_trust(ctx, num); } switch (trust) { case X509_TRUST_TRUSTED: return 1; case X509_TRUST_REJECTED: return 0; case X509_TRUST_UNTRUSTED: default: num = sk_X509_num(ctx->chain); ctx->current_cert = sk_X509_value(ctx->chain, num - 1); ctx->error_depth = num-1; if (num > depth) ctx->error = X509_V_ERR_CERT_CHAIN_TOO_LONG; else if (DANETLS_ENABLED(dane) && (!DANETLS_HAS_PKIX(dane) || dane->pdpth >= 0)) ctx->error = X509_V_ERR_CERT_UNTRUSTED; else if (ss && sk_X509_num(ctx->chain) == 1) ctx->error = X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT; else if (ss) ctx->error = X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN; else if (ctx->num_untrusted == num) ctx->error = X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY; else ctx->error = X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT; if (DANETLS_ENABLED(dane)) dane_reset(dane); return cb(0, ctx); } }
https://github.com/openssl/openssl/blob/25be7a0feacdbd3326774f0da8aaeb966c1f57f8/crypto/x509/x509_vfy.c/#L2641
d2a_code_data_43656
static int xan_huffman_decode(unsigned char *dest, int dest_len, const unsigned char *src, int src_len) { unsigned char byte = *src++; unsigned char ival = byte + 0x16; const unsigned char * ptr = src + byte*2; int ptr_len = src_len - 1 - byte*2; unsigned char val = ival; unsigned char *dest_end = dest + dest_len; unsigned char *dest_start = dest; GetBitContext gb; if (ptr_len < 0) return AVERROR_INVALIDDATA; init_get_bits(&gb, ptr, ptr_len * 8); while (val != 0x16) { unsigned idx = val - 0x17 + get_bits1(&gb) * byte; if (idx >= 2 * byte) return AVERROR_INVALIDDATA; val = src[idx]; if (val < 0x16) { if (dest >= dest_end) return dest_len; *dest++ = val; val = ival; } } return dest - dest_start; }
https://github.com/libav/libav/blob/77ab341c0c6cdf2bd437bb48d429e797d1e60da2/libavcodec/xan.c/#L134
d2a_code_data_43657
int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes) { assert(pkt->subs != NULL && len != 0); if (pkt->subs == NULL || len == 0) return 0; if (pkt->maxsize - pkt->written < len) return 0; if (pkt->staticbuf == NULL && (pkt->buf->length - pkt->written < len)) { size_t newlen; size_t reflen; reflen = (len > pkt->buf->length) ? len : pkt->buf->length; if (reflen > SIZE_MAX / 2) { newlen = SIZE_MAX; } else { newlen = reflen * 2; if (newlen < DEFAULT_BUF_SIZE) newlen = DEFAULT_BUF_SIZE; } if (BUF_MEM_grow(pkt->buf, newlen) == 0) return 0; } if (allocbytes != NULL) *allocbytes = WPACKET_get_curr(pkt); return 1; }
https://github.com/openssl/openssl/blob/f61c5ca6ca183bf0a51651857e3efb02a98889ad/ssl/packet.c/#L49
d2a_code_data_43658
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/eb97dbb05a990266b04830ea8e179e0428656b98/ffmpeg.c/#L4173
d2a_code_data_43659
static int config_props(AVFilterLink *outlink) { AVFilterContext *ctx = outlink->src; AVFilterLink *inlink = outlink->src->inputs[0]; ScaleContext *scale = ctx->priv; const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format); int64_t w, h; double var_values[VARS_NB], res; char *expr; int ret; var_values[VAR_PI] = M_PI; var_values[VAR_PHI] = M_PHI; var_values[VAR_E] = M_E; var_values[VAR_IN_W] = var_values[VAR_IW] = inlink->w; var_values[VAR_IN_H] = var_values[VAR_IH] = inlink->h; var_values[VAR_OUT_W] = var_values[VAR_OW] = NAN; var_values[VAR_OUT_H] = var_values[VAR_OH] = NAN; var_values[VAR_DAR] = var_values[VAR_A] = (double) inlink->w / inlink->h; var_values[VAR_SAR] = inlink->sample_aspect_ratio.num ? (double) inlink->sample_aspect_ratio.num / inlink->sample_aspect_ratio.den : 1; var_values[VAR_HSUB] = 1 << desc->log2_chroma_w; var_values[VAR_VSUB] = 1 << desc->log2_chroma_h; av_expr_parse_and_eval(&res, (expr = scale->w_expr), var_names, var_values, NULL, NULL, NULL, NULL, NULL, 0, ctx); scale->w = var_values[VAR_OUT_W] = var_values[VAR_OW] = res; if ((ret = av_expr_parse_and_eval(&res, (expr = scale->h_expr), var_names, var_values, NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0) goto fail; scale->h = var_values[VAR_OUT_H] = var_values[VAR_OH] = res; if ((ret = av_expr_parse_and_eval(&res, (expr = scale->w_expr), var_names, var_values, NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0) goto fail; scale->w = res; w = scale->w; h = scale->h; if (w < -1 || h < -1) { av_log(ctx, AV_LOG_ERROR, "Size values less than -1 are not acceptable.\n"); return AVERROR(EINVAL); } if (w == -1 && h == -1) scale->w = scale->h = 0; if (!(w = scale->w)) w = inlink->w; if (!(h = scale->h)) h = inlink->h; if (w == -1) w = av_rescale(h, inlink->w, inlink->h); if (h == -1) h = av_rescale(w, inlink->h, inlink->w); if (w > INT_MAX || h > INT_MAX || (h * inlink->w) > INT_MAX || (w * inlink->h) > INT_MAX) av_log(ctx, AV_LOG_ERROR, "Rescaled value for width or height is too big.\n"); outlink->w = w; outlink->h = h; av_log(ctx, AV_LOG_VERBOSE, "w:%d h:%d fmt:%s -> w:%d h:%d fmt:%s flags:0x%0x\n", inlink ->w, inlink ->h, av_get_pix_fmt_name(inlink->format), outlink->w, outlink->h, av_get_pix_fmt_name(outlink->format), scale->flags); scale->input_is_pal = desc->flags & PIX_FMT_PAL || desc->flags & PIX_FMT_PSEUDOPAL; if (scale->sws) sws_freeContext(scale->sws); if (inlink->w == outlink->w && inlink->h == outlink->h && inlink->format == outlink->format) scale->sws = NULL; else { scale->sws = sws_getContext(inlink ->w, inlink ->h, inlink ->format, outlink->w, outlink->h, outlink->format, scale->flags, NULL, NULL, NULL); if (!scale->sws) return AVERROR(EINVAL); } if (inlink->sample_aspect_ratio.num) outlink->sample_aspect_ratio = av_mul_q((AVRational){outlink->h*inlink->w, outlink->w*inlink->h}, inlink->sample_aspect_ratio); else outlink->sample_aspect_ratio = inlink->sample_aspect_ratio; return 0; fail: av_log(NULL, AV_LOG_ERROR, "Error when evaluating the expression '%s'\n", expr); return ret; }
https://github.com/libav/libav/blob/5f87c277bd5caa09cc4f9061d4ccdd58dc121110/libavfilter/vf_scale.c/#L169
d2a_code_data_43660
static int mpc8_decode_frame(AVCodecContext * avctx, void *data, int *data_size, const uint8_t * buf, int buf_size) { MPCContext *c = avctx->priv_data; GetBitContext gb2, *gb = &gb2; int i, j, k, ch, cnt, res, t; Band *bands = c->bands; int off; int maxband, keyframe; int last[2]; keyframe = c->cur_frame == 0; if(keyframe){ memset(c->Q, 0, sizeof(c->Q)); c->last_bits_used = 0; } init_get_bits(gb, buf, buf_size * 8); skip_bits(gb, c->last_bits_used & 7); if(keyframe) maxband = mpc8_get_mod_golomb(gb, c->maxbands + 1); else{ maxband = c->last_max_band + get_vlc2(gb, band_vlc.table, MPC8_BANDS_BITS, 2); if(maxband > 32) maxband -= 33; } c->last_max_band = maxband; if(maxband){ last[0] = last[1] = 0; for(i = maxband - 1; i >= 0; i--){ for(ch = 0; ch < 2; ch++){ last[ch] = get_vlc2(gb, res_vlc[last[ch] > 2].table, MPC8_RES_BITS, 2) + last[ch]; if(last[ch] > 15) last[ch] -= 17; bands[i].res[ch] = last[ch]; } } if(c->MSS){ int mask; cnt = 0; for(i = 0; i < maxband; i++) if(bands[i].res[0] || bands[i].res[1]) cnt++; t = mpc8_get_mod_golomb(gb, cnt); mask = mpc8_get_mask(gb, cnt, t); for(i = maxband - 1; i >= 0; i--) if(bands[i].res[0] || bands[i].res[1]){ bands[i].msf = mask & 1; mask >>= 1; } } } for(i = maxband; i < c->maxbands; i++) bands[i].res[0] = bands[i].res[1] = 0; if(keyframe){ for(i = 0; i < 32; i++) c->oldDSCF[0][i] = c->oldDSCF[1][i] = 1; } for(i = 0; i < maxband; i++){ if(bands[i].res[0] || bands[i].res[1]){ cnt = !!bands[i].res[0] + !!bands[i].res[1] - 1; if(cnt >= 0){ t = get_vlc2(gb, scfi_vlc[cnt].table, scfi_vlc[cnt].bits, 1); if(bands[i].res[0]) bands[i].scfi[0] = t >> (2 * cnt); if(bands[i].res[1]) bands[i].scfi[1] = t & 3; } } } for(i = 0; i < maxband; i++){ for(ch = 0; ch < 2; ch++){ if(!bands[i].res[ch]) continue; if(c->oldDSCF[ch][i]){ bands[i].scf_idx[ch][0] = get_bits(gb, 7) - 6; c->oldDSCF[ch][i] = 0; }else{ t = get_vlc2(gb, dscf_vlc[1].table, MPC8_DSCF1_BITS, 2); if(t == 64) t += get_bits(gb, 6); bands[i].scf_idx[ch][0] = ((bands[i].scf_idx[ch][2] + t - 25) & 0x7F) - 6; } for(j = 0; j < 2; j++){ if((bands[i].scfi[ch] << j) & 2) bands[i].scf_idx[ch][j + 1] = bands[i].scf_idx[ch][j]; else{ t = get_vlc2(gb, dscf_vlc[0].table, MPC8_DSCF0_BITS, 2); if(t == 31) t = 64 + get_bits(gb, 6); bands[i].scf_idx[ch][j + 1] = ((bands[i].scf_idx[ch][j] + t - 25) & 0x7F) - 6; } } } } for(i = 0, off = 0; i < maxband; i++, off += SAMPLES_PER_BAND){ for(ch = 0; ch < 2; ch++){ res = bands[i].res[ch]; switch(res){ case -1: for(j = 0; j < SAMPLES_PER_BAND; j++) c->Q[ch][off + j] = (av_random(&c->rnd) & 0x3FC) - 510; break; case 0: break; case 1: for(j = 0; j < SAMPLES_PER_BAND; j += SAMPLES_PER_BAND / 2){ cnt = get_vlc2(gb, q1_vlc.table, MPC8_Q1_BITS, 2); t = mpc8_get_mask(gb, 18, cnt); for(k = 0; k < SAMPLES_PER_BAND / 2; k++, t <<= 1) c->Q[ch][off + j + k] = (t & 0x20000) ? (get_bits1(gb) << 1) - 1 : 0; } break; case 2: cnt = 6; for(j = 0; j < SAMPLES_PER_BAND; j += 3){ t = get_vlc2(gb, q2_vlc[cnt > 3].table, MPC8_Q2_BITS, 2); c->Q[ch][off + j + 0] = mpc8_idx50[t]; c->Q[ch][off + j + 1] = mpc8_idx51[t]; c->Q[ch][off + j + 2] = mpc8_idx52[t]; cnt = (cnt >> 1) + mpc8_huffq2[t]; } break; case 3: case 4: for(j = 0; j < SAMPLES_PER_BAND; j += 2){ t = get_vlc2(gb, q3_vlc[res - 3].table, MPC8_Q3_BITS, 2) + q3_offsets[res - 3]; c->Q[ch][off + j + 1] = t >> 4; c->Q[ch][off + j + 0] = (t & 8) ? (t & 0xF) - 16 : (t & 0xF); } break; case 5: case 6: case 7: case 8: cnt = 2 * mpc8_thres[res]; for(j = 0; j < SAMPLES_PER_BAND; j++){ t = get_vlc2(gb, quant_vlc[res - 5][cnt > mpc8_thres[res]].table, quant_vlc[res - 5][cnt > mpc8_thres[res]].bits, 2) + quant_offsets[res - 5]; c->Q[ch][off + j] = t; cnt = (cnt >> 1) + FFABS(c->Q[ch][off + j]); } break; default: for(j = 0; j < SAMPLES_PER_BAND; j++){ c->Q[ch][off + j] = get_vlc2(gb, q9up_vlc.table, MPC8_Q9UP_BITS, 2); if(res != 9){ c->Q[ch][off + j] <<= res - 9; c->Q[ch][off + j] |= get_bits(gb, res - 9); } c->Q[ch][off + j] -= (1 << (res - 2)) - 1; } } } } ff_mpc_dequantize_and_synth(c, maxband, data); c->cur_frame++; c->last_bits_used = get_bits_count(gb); if(c->cur_frame >= c->frames) c->cur_frame = 0; *data_size = MPC_FRAME_SIZE * 4; return c->cur_frame ? c->last_bits_used >> 3 : buf_size; }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/mpc8.c/#L289
d2a_code_data_43661
static void new_subtitle_stream(AVFormatContext *oc) { AVStream *st; AVCodecContext *subtitle_enc; 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_SUBTITLE); bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters; subtitle_bitstream_filters= NULL; subtitle_enc = st->codec; subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE; if (subtitle_stream_copy) { st->stream_copy = 1; } else { set_context_opts(avctx_opts[CODEC_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM); subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1); output_codecs[nb_ocodecs] = avcodec_find_encoder_by_name(subtitle_codec_name); } nb_ocodecs++; if (subtitle_language) { av_metadata_set(&st->metadata, "language", subtitle_language); av_free(subtitle_language); subtitle_language = NULL; } subtitle_disable = 0; av_freep(&subtitle_codec_name); subtitle_stream_copy = 0; }
https://github.com/libav/libav/blob/9aaa2077e5879b153d2ce6bea2e42f0c349a083f/ffmpeg.c/#L3187
d2a_code_data_43662
static void old_print_object_footer(const char *name) { char *str, *p; if (!strcmp(name, "tags")) return; str = p = av_strdup(name); if (!str) return; while (*p) { *p = av_toupper(*p); p++; } avio_printf(probe_out, "[/%s]\n", str); av_freep(&str); }
https://github.com/libav/libav/blob/7a6cf2771414c7ab8bca0811d589f6091a6e2b71/avprobe.c/#L372
d2a_code_data_43663
int BIO_parse_hostserv(const char *hostserv, char **host, char **service, enum BIO_hostserv_priorities hostserv_prio) { const char *h = NULL; size_t hl = 0; const char *p = NULL; size_t pl = 0; if (*hostserv == '[') { if ((p = strchr(hostserv, ']')) == NULL) goto spec_err; h = hostserv + 1; hl = p - h; p++; if (*p == '\0') p = NULL; else if (*p != ':') goto spec_err; else { p++; pl = strlen(p); } } else { const char *p2 = strrchr(hostserv, ':'); p = strchr(hostserv, ':'); if (p != p2) goto amb_err; if (p != NULL) { h = hostserv; hl = p - h; p++; pl = strlen(p); } else if (hostserv_prio == BIO_PARSE_PRIO_HOST) { h = hostserv; hl = strlen(h); } else { p = hostserv; pl = strlen(p); } } if (strchr(p, ':')) goto spec_err; if (h != NULL && host != NULL) { if (hl == 0 || (hl == 1 && h[0] == '*')) { *host = NULL; } else { *host = OPENSSL_strndup(h, hl); if (*host == NULL) goto memerr; } } if (p != NULL && service != NULL) { if (pl == 0 || (pl == 1 && p[0] == '*')) { *service = NULL; } else { *service = OPENSSL_strndup(p, pl); if (*service == NULL) goto memerr; } } return 1; amb_err: BIOerr(BIO_F_BIO_PARSE_HOSTSERV, BIO_R_AMBIGUOUS_HOST_OR_SERVICE); return 0; spec_err: BIOerr(BIO_F_BIO_PARSE_HOSTSERV, BIO_R_MALFORMED_HOST_OR_SERVICE); return 0; memerr: BIOerr(BIO_F_BIO_PARSE_HOSTSERV, ERR_R_MALLOC_FAILURE); return 0; }
https://github.com/openssl/openssl/blob/1cc98f75bfaf16a3a1038cf36cb053f330e4ac30/crypto/bio/b_addr.c/#L501
d2a_code_data_43664
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_43665
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_43666
static inline void dxt1_decode_pixels(const uint8_t *s, uint32_t *d, unsigned int qstride, unsigned int flag, uint64_t alpha) { unsigned int x, y, c0, c1, a = (!flag * 255) << 24; unsigned int rb0, rb1, rb2, rb3, g0, g1, g2, g3; uint32_t colors[4], pixels; c0 = AV_RL16(s); c1 = AV_RL16(s+2); rb0 = (c0<<3 | c0<<8) & 0xf800f8; rb1 = (c1<<3 | c1<<8) & 0xf800f8; rb0 += (rb0>>5) & 0x070007; rb1 += (rb1>>5) & 0x070007; g0 = (c0 <<5) & 0x00fc00; g1 = (c1 <<5) & 0x00fc00; g0 += (g0 >>6) & 0x000300; g1 += (g1 >>6) & 0x000300; colors[0] = rb0 + g0 + a; colors[1] = rb1 + g1 + a; if (c0 > c1 || flag) { rb2 = (((2*rb0+rb1) * 21) >> 6) & 0xff00ff; rb3 = (((2*rb1+rb0) * 21) >> 6) & 0xff00ff; g2 = (((2*g0 +g1 ) * 21) >> 6) & 0x00ff00; g3 = (((2*g1 +g0 ) * 21) >> 6) & 0x00ff00; colors[3] = rb3 + g3 + a; } else { rb2 = ((rb0+rb1) >> 1) & 0xff00ff; g2 = ((g0 +g1 ) >> 1) & 0x00ff00; colors[3] = 0; } colors[2] = rb2 + g2 + a; pixels = AV_RL32(s+4); for (y=0; y<4; y++) { for (x=0; x<4; x++) { a = (alpha & 0x0f) << 28; a += a >> 4; d[x] = a + colors[pixels&3]; pixels >>= 2; alpha >>= 4; } d += qstride; } }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/s3tc.c/#L68
d2a_code_data_43667
static int do_buf(unsigned char *buf, int buflen, int type, unsigned char flags, char *quotes, char_io *io_ch, void *arg) { int i, outlen, len; unsigned char orflags, *p, *q; unsigned long c; p = buf; q = buf + buflen; outlen = 0; while(p != q) { if(p == buf) orflags = CHARTYPE_FIRST_ESC_2253; else orflags = 0; switch(type & BUF_TYPE_WIDTH_MASK) { case 4: c = ((unsigned long)*p++) << 24; c |= ((unsigned long)*p++) << 16; c |= ((unsigned long)*p++) << 8; c |= *p++; break; case 2: c = ((unsigned long)*p++) << 8; c |= *p++; break; case 1: c = *p++; break; case 0: i = UTF8_getc(p, buflen, &c); if(i < 0) return -1; p += i; break; } if (p == q) orflags = CHARTYPE_LAST_ESC_2253; if(type & BUF_TYPE_CONVUTF8) { unsigned char utfbuf[6]; int utflen; utflen = UTF8_putc(utfbuf, 6, c); for(i = 0; i < utflen; i++) { len = do_esc_char(utfbuf[i], flags | orflags, quotes, io_ch, arg); if(len < 0) return -1; outlen += len; } } else { len = do_esc_char(c, flags | orflags, quotes, io_ch, arg); if(len < 0) return -1; outlen += len; } } return outlen; }
https://github.com/openssl/openssl/blob/a657546f9c376f4b7ba4dce14649598fb1a38de5/crypto/asn1/a_strex.c/#L196
d2a_code_data_43668
static int parse_icy(HTTPContext *s, const char *tag, const char *p) { int len = 4 + strlen(p) + strlen(tag); int is_first = !s->icy_metadata_headers; int ret; if (s->icy_metadata_headers) len += strlen(s->icy_metadata_headers); if ((ret = av_reallocp(&s->icy_metadata_headers, len)) < 0) return ret; if (is_first) *s->icy_metadata_headers = '\0'; av_strlcatf(s->icy_metadata_headers, len, "%s: %s\n", tag, p); return 0; }
https://github.com/libav/libav/blob/436ced244fadcde2c0b925627920e84b25482542/libavformat/http.c/#L419
d2a_code_data_43669
static int tls_construct_cke_rsa(SSL *s, WPACKET *pkt) { #ifndef OPENSSL_NO_RSA unsigned char *encdata = NULL; EVP_PKEY *pkey = NULL; EVP_PKEY_CTX *pctx = NULL; size_t enclen; unsigned char *pms = NULL; size_t pmslen = 0; if (s->session->peer == NULL) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA, ERR_R_INTERNAL_ERROR); return 0; } pkey = X509_get0_pubkey(s->session->peer); if (EVP_PKEY_get0_RSA(pkey) == NULL) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA, ERR_R_INTERNAL_ERROR); return 0; } pmslen = SSL_MAX_MASTER_KEY_LENGTH; pms = OPENSSL_malloc(pmslen); if (pms == NULL) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA, ERR_R_MALLOC_FAILURE); return 0; } pms[0] = s->client_version >> 8; pms[1] = s->client_version & 0xff; if (RAND_bytes(pms + 2, (int)(pmslen - 2)) <= 0) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA, ERR_R_MALLOC_FAILURE); goto err; } if (s->version > SSL3_VERSION && !WPACKET_start_sub_packet_u16(pkt)) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA, ERR_R_INTERNAL_ERROR); goto err; } pctx = EVP_PKEY_CTX_new(pkey, NULL); if (pctx == NULL || EVP_PKEY_encrypt_init(pctx) <= 0 || EVP_PKEY_encrypt(pctx, NULL, &enclen, pms, pmslen) <= 0) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA, ERR_R_EVP_LIB); goto err; } if (!WPACKET_allocate_bytes(pkt, enclen, &encdata) || EVP_PKEY_encrypt(pctx, encdata, &enclen, pms, pmslen) <= 0) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA, SSL_R_BAD_RSA_ENCRYPT); goto err; } EVP_PKEY_CTX_free(pctx); pctx = NULL; if (s->version > SSL3_VERSION && !WPACKET_close(pkt)) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA, ERR_R_INTERNAL_ERROR); goto err; } if (!ssl_log_rsa_client_key_exchange(s, encdata, enclen, pms, pmslen)) { goto err; } s->s3->tmp.pms = pms; s->s3->tmp.pmslen = pmslen; return 1; err: OPENSSL_clear_free(pms, pmslen); EVP_PKEY_CTX_free(pctx); return 0; #else SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA, ERR_R_INTERNAL_ERROR); return 0; #endif }
https://github.com/openssl/openssl/blob/98c03302fb7b855647aa14022f61f5fb272e514a/ssl/statem/statem_clnt.c/#L2974
d2a_code_data_43670
int test_gf2m_mod_div(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); for (j = 0; j < 2; j++) { BN_GF2m_mod_div(d, a, c, b[j], ctx); BN_GF2m_mod_mul(e, d, c, b[j], ctx); BN_GF2m_mod_div(f, a, e, b[j], ctx); if (!BN_is_one(f)) { fprintf(stderr, "GF(2^m) modular division 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/#L1475
d2a_code_data_43671
int BN_num_bits_word(BN_ULONG l) { BN_ULONG x, mask; int bits = (l != 0); #if BN_BITS2 > 32 x = l >> 32; mask = (0 - x) & BN_MASK2; mask = (0 - (mask >> (BN_BITS2 - 1))); bits += 32 & mask; l ^= (x ^ l) & mask; #endif x = l >> 16; mask = (0 - x) & BN_MASK2; mask = (0 - (mask >> (BN_BITS2 - 1))); bits += 16 & mask; l ^= (x ^ l) & mask; x = l >> 8; mask = (0 - x) & BN_MASK2; mask = (0 - (mask >> (BN_BITS2 - 1))); bits += 8 & mask; l ^= (x ^ l) & mask; x = l >> 4; mask = (0 - x) & BN_MASK2; mask = (0 - (mask >> (BN_BITS2 - 1))); bits += 4 & mask; l ^= (x ^ l) & mask; x = l >> 2; mask = (0 - x) & BN_MASK2; mask = (0 - (mask >> (BN_BITS2 - 1))); bits += 2 & mask; l ^= (x ^ l) & mask; x = l >> 1; mask = (0 - x) & BN_MASK2; mask = (0 - (mask >> (BN_BITS2 - 1))); bits += 1 & mask; return bits; }
https://github.com/openssl/openssl/blob/fff684168c7923aa85e6b4381d71d933396e32b0/crypto/bn/bn_lib.c/#L97
d2a_code_data_43672
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))); return overlapped; }
https://github.com/openssl/openssl/blob/fff684168c7923aa85e6b4381d71d933396e32b0/crypto/evp/evp_enc.c/#L292
d2a_code_data_43673
void *sk_value(const _STACK *st, int i) { if (!st || (i < 0) || (i >= st->num)) return NULL; return st->data[i]; }
https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/crypto/stack/stack.c/#L328
d2a_code_data_43674
static void unpack_input(const unsigned char *input, unsigned int *output) { unsigned int outbuffer[28]; unsigned short inbuffer[10]; unsigned int x; unsigned int *ptr; for (x=0;x<20;x+=2) inbuffer[x/2]=(input[x]<<8)+input[x+1]; ptr=outbuffer; *(ptr++)=27; *(ptr++)=(inbuffer[0]>>10)&0x3f; *(ptr++)=(inbuffer[0]>>5)&0x1f; *(ptr++)=inbuffer[0]&0x1f; *(ptr++)=(inbuffer[1]>>12)&0xf; *(ptr++)=(inbuffer[1]>>8)&0xf; *(ptr++)=(inbuffer[1]>>5)&7; *(ptr++)=(inbuffer[1]>>2)&7; *(ptr++)=((inbuffer[1]<<1)&6)|((inbuffer[2]>>15)&1); *(ptr++)=(inbuffer[2]>>12)&7; *(ptr++)=(inbuffer[2]>>10)&3; *(ptr++)=(inbuffer[2]>>5)&0x1f; *(ptr++)=((inbuffer[2]<<2)&0x7c)|((inbuffer[3]>>14)&3); *(ptr++)=(inbuffer[3]>>6)&0xff; *(ptr++)=((inbuffer[3]<<1)&0x7e)|((inbuffer[4]>>15)&1); *(ptr++)=(inbuffer[4]>>8)&0x7f; *(ptr++)=(inbuffer[4]>>1)&0x7f; *(ptr++)=((inbuffer[4]<<7)&0x80)|((inbuffer[5]>>9)&0x7f); *(ptr++)=(inbuffer[5]>>2)&0x7f; *(ptr++)=((inbuffer[5]<<5)&0x60)|((inbuffer[6]>>11)&0x1f); *(ptr++)=(inbuffer[6]>>4)&0x7f; *(ptr++)=((inbuffer[6]<<4)&0xf0)|((inbuffer[7]>>12)&0xf); *(ptr++)=(inbuffer[7]>>5)&0x7f; *(ptr++)=((inbuffer[7]<<2)&0x7c)|((inbuffer[8]>>14)&3); *(ptr++)=(inbuffer[8]>>7)&0x7f; *(ptr++)=((inbuffer[8]<<1)&0xfe)|((inbuffer[9]>>15)&1); *(ptr++)=(inbuffer[9]>>8)&0x7f; *(ptr++)=(inbuffer[9]>>1)&0x7f; *(output++)=outbuffer[11]; for (x=1;x<11;*(output++)=outbuffer[x++]); ptr=outbuffer+12; for (x=0;x<16;x+=4) { *(output++)=ptr[x]; *(output++)=ptr[x+2]; *(output++)=ptr[x+3]; *(output++)=ptr[x+1]; } }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/ra144.c/#L277
d2a_code_data_43675
DECLAREcpFunc(cpContig2SeparateByRow) { tdata_t inbuf = _TIFFmalloc(TIFFScanlineSize(in)); tdata_t outbuf = _TIFFmalloc(TIFFScanlineSize(out)); register uint8 *inp, *outp; register uint32 n; uint32 row; tsample_t s; for (s = 0; s < spp; s++) { for (row = 0; row < imagelength; row++) { if (TIFFReadScanline(in, inbuf, row, 0) < 0 && !ignore) { TIFFError(TIFFFileName(in), "Error, can't read scanline %lu", (unsigned long) row); goto bad; } inp = ((uint8*)inbuf) + s; outp = (uint8*)outbuf; for (n = imagewidth; n-- > 0;) { *outp++ = *inp; inp += spp; } if (TIFFWriteScanline(out, outbuf, row, s) < 0) { TIFFError(TIFFFileName(out), "Error, can't write scanline %lu", (unsigned long) row); goto bad; } } } if (inbuf) _TIFFfree(inbuf); if (outbuf) _TIFFfree(outbuf); return 1; bad: if (inbuf) _TIFFfree(inbuf); if (outbuf) _TIFFfree(outbuf); return 0; }
https://gitlab.com/libtiff/libtiff/blob/771a4ea0a98c7a218c9f3add9a05e08d29625758/tools/tiffcp.c/#L1001
d2a_code_data_43676
static char * ngx_http_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) { ngx_http_log_loc_conf_t *llcf = conf; ssize_t buf; ngx_uint_t i, n; ngx_str_t *value, name; ngx_http_log_t *log; ngx_http_log_fmt_t *fmt; ngx_http_log_main_conf_t *lmcf; ngx_http_script_compile_t sc; value = cf->args->elts; if (ngx_strcmp(value[1].data, "off") == 0) { llcf->off = 1; return NGX_CONF_OK; } if (llcf->logs == NULL) { llcf->logs = ngx_array_create(cf->pool, 2, sizeof(ngx_http_log_t)); if (llcf->logs == NULL) { return NGX_CONF_ERROR; } } lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module); log = ngx_array_push(llcf->logs); if (log == NULL) { return NGX_CONF_ERROR; } ngx_memzero(log, sizeof(ngx_http_log_t)); n = ngx_http_script_variables_count(&value[1]); if (n == 0) { log->file = ngx_conf_open_file(cf->cycle, &value[1]); if (log->file == NULL) { return NGX_CONF_ERROR; } } else { if (ngx_conf_full_name(cf->cycle, &value[1], 0) != NGX_OK) { return NGX_CONF_ERROR; } log->script = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_script_t)); if (log->script == NULL) { return NGX_CONF_ERROR; } ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); sc.cf = cf; sc.source = &value[1]; sc.lengths = &log->script->lengths; sc.values = &log->script->values; sc.variables = n; sc.complete_lengths = 1; sc.complete_values = 1; if (ngx_http_script_compile(&sc) != NGX_OK) { return NGX_CONF_ERROR; } } if (cf->args->nelts >= 3) { name = value[2]; if (ngx_strcmp(name.data, "combined") == 0) { lmcf->combined_used = 1; } } else { name.len = sizeof("combined") - 1; name.data = (u_char *) "combined"; lmcf->combined_used = 1; } fmt = lmcf->formats.elts; for (i = 0; i < lmcf->formats.nelts; i++) { if (fmt[i].name.len == name.len && ngx_strcasecmp(fmt[i].name.data, name.data) == 0) { log->format = &fmt[i]; goto buffer; } } ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "unknown log format \"%V\"", &name); return NGX_CONF_ERROR; buffer: if (cf->args->nelts == 4) { if (ngx_strncmp(value[3].data, "buffer=", 7) != 0) { ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid parameter \"%V\"", &value[3]); return NGX_CONF_ERROR; } if (log->script) { ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "buffered logs can not have variables in name"); return NGX_CONF_ERROR; } name.len = value[3].len - 7; name.data = value[3].data + 7; buf = ngx_parse_size(&name); if (buf == NGX_ERROR) { ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid parameter \"%V\"", &value[3]); return NGX_CONF_ERROR; } if (log->file->buffer && log->file->last - log->file->pos != buf) { ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "access_log \"%V\" already defined " "with different buffer size", &value[1]); return NGX_CONF_ERROR; } log->file->buffer = ngx_palloc(cf->pool, buf); if (log->file->buffer == NULL) { return NGX_CONF_ERROR; } log->file->pos = log->file->buffer; log->file->last = log->file->buffer + buf; } return NGX_CONF_OK; }
https://github.com/nginx/nginx/blob/e4ecddfdb0d2ffc872658e36028971ad9a873726/src/http/modules/ngx_http_log_module.c/#L932
d2a_code_data_43677
static size_t kat_entropy(DRBG_CTX *dctx, unsigned char **pout, int entropy, size_t min_len, size_t max_len) { TEST_CTX *t = (TEST_CTX *)RAND_DRBG_get_ex_data(dctx, app_data_index); t->entcnt++; *pout = (unsigned char *)t->ent; return t->entlen; }
https://github.com/openssl/openssl/blob/12fb8c3d2dd00f3d4f1b084385403d26ed64a596/test/drbgtest.c/#L122
d2a_code_data_43678
int av_samples_get_buffer_size(int *linesize, int nb_channels, int nb_samples, enum AVSampleFormat sample_fmt, int align) { int line_size; int sample_size = av_get_bytes_per_sample(sample_fmt); int planar = av_sample_fmt_is_planar(sample_fmt); if (!sample_size || nb_samples <= 0 || nb_channels <= 0) return AVERROR(EINVAL); if (!align) { if (nb_samples > INT_MAX - 31) return AVERROR(EINVAL); align = 1; nb_samples = FFALIGN(nb_samples, 32); } if (nb_channels > INT_MAX / align || (int64_t)nb_channels * nb_samples > (INT_MAX - (align * nb_channels)) / sample_size) return AVERROR(EINVAL); line_size = planar ? FFALIGN(nb_samples * sample_size, align) : FFALIGN(nb_samples * sample_size * nb_channels, align); if (linesize) *linesize = line_size; return planar ? line_size * nb_channels : line_size; }
https://github.com/libav/libav/blob/0e830094ad0dc251613a0aa3234d9c5c397e02e6/libavutil/samplefmt.c/#L124
d2a_code_data_43679
static inline void pred_direct_motion(H264Context * const h, int *mb_type){ MpegEncContext * const s = &h->s; const int mb_xy = s->mb_x + s->mb_y*s->mb_stride; const int b8_xy = 2*s->mb_x + 2*s->mb_y*h->b8_stride; const int b4_xy = 4*s->mb_x + 4*s->mb_y*h->b_stride; const int mb_type_col = h->ref_list[1][0].mb_type[mb_xy]; const int16_t (*l1mv0)[2] = (const int16_t (*)[2]) &h->ref_list[1][0].motion_val[0][b4_xy]; const int16_t (*l1mv1)[2] = (const int16_t (*)[2]) &h->ref_list[1][0].motion_val[1][b4_xy]; const int8_t *l1ref0 = &h->ref_list[1][0].ref_index[0][b8_xy]; const int8_t *l1ref1 = &h->ref_list[1][0].ref_index[1][b8_xy]; const int is_b8x8 = IS_8X8(*mb_type); unsigned int sub_mb_type; int i8, i4; #define MB_TYPE_16x16_OR_INTRA (MB_TYPE_16x16|MB_TYPE_INTRA4x4|MB_TYPE_INTRA16x16|MB_TYPE_INTRA_PCM) if(IS_8X8(mb_type_col) && !h->sps.direct_8x8_inference_flag){ sub_mb_type = MB_TYPE_8x8|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; *mb_type = MB_TYPE_8x8|MB_TYPE_L0L1; }else if(!is_b8x8 && (mb_type_col & MB_TYPE_16x16_OR_INTRA)){ sub_mb_type = MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; *mb_type = MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; }else{ sub_mb_type = MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; *mb_type = MB_TYPE_8x8|MB_TYPE_L0L1; } if(!is_b8x8) *mb_type |= MB_TYPE_DIRECT2; if(MB_FIELD) *mb_type |= MB_TYPE_INTERLACED; tprintf(s->avctx, "mb_type = %08x, sub_mb_type = %08x, is_b8x8 = %d, mb_type_col = %08x\n", *mb_type, sub_mb_type, is_b8x8, mb_type_col); if(h->direct_spatial_mv_pred){ int ref[2]; int mv[2][2]; int list; for(list=0; list<2; list++){ int refa = h->ref_cache[list][scan8[0] - 1]; int refb = h->ref_cache[list][scan8[0] - 8]; int refc = h->ref_cache[list][scan8[0] - 8 + 4]; if(refc == -2) refc = h->ref_cache[list][scan8[0] - 8 - 1]; ref[list] = refa; if(ref[list] < 0 || (refb < ref[list] && refb >= 0)) ref[list] = refb; if(ref[list] < 0 || (refc < ref[list] && refc >= 0)) ref[list] = refc; if(ref[list] < 0) ref[list] = -1; } if(ref[0] < 0 && ref[1] < 0){ ref[0] = ref[1] = 0; mv[0][0] = mv[0][1] = mv[1][0] = mv[1][1] = 0; }else{ for(list=0; list<2; list++){ if(ref[list] >= 0) pred_motion(h, 0, 4, list, ref[list], &mv[list][0], &mv[list][1]); else mv[list][0] = mv[list][1] = 0; } } if(ref[1] < 0){ if(!is_b8x8) *mb_type &= ~MB_TYPE_L1; sub_mb_type &= ~MB_TYPE_L1; }else if(ref[0] < 0){ if(!is_b8x8) *mb_type &= ~MB_TYPE_L0; sub_mb_type &= ~MB_TYPE_L0; } if(IS_INTERLACED(*mb_type) != IS_INTERLACED(mb_type_col)){ int pair_xy = s->mb_x + (s->mb_y&~1)*s->mb_stride; int mb_types_col[2]; int b8_stride = h->b8_stride; int b4_stride = h->b_stride; *mb_type = (*mb_type & ~MB_TYPE_16x16) | MB_TYPE_8x8; if(IS_INTERLACED(*mb_type)){ mb_types_col[0] = h->ref_list[1][0].mb_type[pair_xy]; mb_types_col[1] = h->ref_list[1][0].mb_type[pair_xy+s->mb_stride]; if(s->mb_y&1){ l1ref0 -= 2*b8_stride; l1ref1 -= 2*b8_stride; l1mv0 -= 4*b4_stride; l1mv1 -= 4*b4_stride; } b8_stride *= 3; b4_stride *= 6; }else{ int cur_poc = s->current_picture_ptr->poc; int *col_poc = h->ref_list[1]->field_poc; int col_parity = FFABS(col_poc[0] - cur_poc) >= FFABS(col_poc[1] - cur_poc); int dy = 2*col_parity - (s->mb_y&1); mb_types_col[0] = mb_types_col[1] = h->ref_list[1][0].mb_type[pair_xy + col_parity*s->mb_stride]; l1ref0 += dy*b8_stride; l1ref1 += dy*b8_stride; l1mv0 += 2*dy*b4_stride; l1mv1 += 2*dy*b4_stride; b8_stride = 0; } for(i8=0; i8<4; i8++){ int x8 = i8&1; int y8 = i8>>1; int xy8 = x8+y8*b8_stride; int xy4 = 3*x8+y8*b4_stride; int a=0, b=0; if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8])) continue; h->sub_mb_type[i8] = sub_mb_type; fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, (uint8_t)ref[0], 1); fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, (uint8_t)ref[1], 1); if(!IS_INTRA(mb_types_col[y8]) && ( (l1ref0[xy8] == 0 && FFABS(l1mv0[xy4][0]) <= 1 && FFABS(l1mv0[xy4][1]) <= 1) || (l1ref0[xy8] < 0 && l1ref1[xy8] == 0 && FFABS(l1mv1[xy4][0]) <= 1 && FFABS(l1mv1[xy4][1]) <= 1))){ if(ref[0] > 0) a= pack16to32(mv[0][0],mv[0][1]); if(ref[1] > 0) b= pack16to32(mv[1][0],mv[1][1]); }else{ a= pack16to32(mv[0][0],mv[0][1]); b= pack16to32(mv[1][0],mv[1][1]); } fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, a, 4); fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, b, 4); } }else if(IS_16X16(*mb_type)){ int a=0, b=0; fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, (uint8_t)ref[0], 1); fill_rectangle(&h->ref_cache[1][scan8[0]], 4, 4, 8, (uint8_t)ref[1], 1); if(!IS_INTRA(mb_type_col) && ( (l1ref0[0] == 0 && FFABS(l1mv0[0][0]) <= 1 && FFABS(l1mv0[0][1]) <= 1) || (l1ref0[0] < 0 && l1ref1[0] == 0 && FFABS(l1mv1[0][0]) <= 1 && FFABS(l1mv1[0][1]) <= 1 && (h->x264_build>33 || !h->x264_build)))){ if(ref[0] > 0) a= pack16to32(mv[0][0],mv[0][1]); if(ref[1] > 0) b= pack16to32(mv[1][0],mv[1][1]); }else{ a= pack16to32(mv[0][0],mv[0][1]); b= pack16to32(mv[1][0],mv[1][1]); } fill_rectangle(&h->mv_cache[0][scan8[0]], 4, 4, 8, a, 4); fill_rectangle(&h->mv_cache[1][scan8[0]], 4, 4, 8, b, 4); }else{ for(i8=0; i8<4; i8++){ const int x8 = i8&1; const int y8 = i8>>1; if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8])) continue; h->sub_mb_type[i8] = sub_mb_type; fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, pack16to32(mv[0][0],mv[0][1]), 4); fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, pack16to32(mv[1][0],mv[1][1]), 4); fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, (uint8_t)ref[0], 1); fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, (uint8_t)ref[1], 1); if(!IS_INTRA(mb_type_col) && ( l1ref0[x8 + y8*h->b8_stride] == 0 || (l1ref0[x8 + y8*h->b8_stride] < 0 && l1ref1[x8 + y8*h->b8_stride] == 0 && (h->x264_build>33 || !h->x264_build)))){ const int16_t (*l1mv)[2]= l1ref0[x8 + y8*h->b8_stride] == 0 ? l1mv0 : l1mv1; if(IS_SUB_8X8(sub_mb_type)){ const int16_t *mv_col = l1mv[x8*3 + y8*3*h->b_stride]; if(FFABS(mv_col[0]) <= 1 && FFABS(mv_col[1]) <= 1){ if(ref[0] == 0) fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, 0, 4); if(ref[1] == 0) fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, 0, 4); } }else for(i4=0; i4<4; i4++){ const int16_t *mv_col = l1mv[x8*2 + (i4&1) + (y8*2 + (i4>>1))*h->b_stride]; if(FFABS(mv_col[0]) <= 1 && FFABS(mv_col[1]) <= 1){ if(ref[0] == 0) *(uint32_t*)h->mv_cache[0][scan8[i8*4+i4]] = 0; if(ref[1] == 0) *(uint32_t*)h->mv_cache[1][scan8[i8*4+i4]] = 0; } } } } } }else{ const int *map_col_to_list0[2] = {h->map_col_to_list0[0], h->map_col_to_list0[1]}; const int *dist_scale_factor = h->dist_scale_factor; if(FRAME_MBAFF){ if(IS_INTERLACED(*mb_type)){ map_col_to_list0[0] = h->map_col_to_list0_field[0]; map_col_to_list0[1] = h->map_col_to_list0_field[1]; dist_scale_factor = h->dist_scale_factor_field; } if(IS_INTERLACED(*mb_type) != IS_INTERLACED(mb_type_col)){ const int pair_xy = s->mb_x + (s->mb_y&~1)*s->mb_stride; int mb_types_col[2]; int y_shift; *mb_type = MB_TYPE_8x8|MB_TYPE_L0L1 | (is_b8x8 ? 0 : MB_TYPE_DIRECT2) | (*mb_type & MB_TYPE_INTERLACED); sub_mb_type = MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2|MB_TYPE_16x16; if(IS_INTERLACED(*mb_type)){ mb_types_col[0] = h->ref_list[1][0].mb_type[pair_xy]; mb_types_col[1] = h->ref_list[1][0].mb_type[pair_xy+s->mb_stride]; if(s->mb_y&1){ l1ref0 -= 2*h->b8_stride; l1ref1 -= 2*h->b8_stride; l1mv0 -= 4*h->b_stride; l1mv1 -= 4*h->b_stride; } y_shift = 0; if( (mb_types_col[0] & MB_TYPE_16x16_OR_INTRA) && (mb_types_col[1] & MB_TYPE_16x16_OR_INTRA) && !is_b8x8) *mb_type |= MB_TYPE_16x8; else *mb_type |= MB_TYPE_8x8; }else{ int dy = (s->mb_y&1) ? 1 : 2; mb_types_col[0] = mb_types_col[1] = h->ref_list[1][0].mb_type[pair_xy+s->mb_stride]; l1ref0 += dy*h->b8_stride; l1ref1 += dy*h->b8_stride; l1mv0 += 2*dy*h->b_stride; l1mv1 += 2*dy*h->b_stride; y_shift = 2; if((mb_types_col[0] & (MB_TYPE_16x16_OR_INTRA|MB_TYPE_16x8)) && !is_b8x8) *mb_type |= MB_TYPE_16x16; else *mb_type |= MB_TYPE_8x8; } for(i8=0; i8<4; i8++){ const int x8 = i8&1; const int y8 = i8>>1; int ref0, scale; const int16_t (*l1mv)[2]= l1mv0; if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8])) continue; h->sub_mb_type[i8] = sub_mb_type; fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, 0, 1); if(IS_INTRA(mb_types_col[y8])){ fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, 0, 1); fill_rectangle(&h-> mv_cache[0][scan8[i8*4]], 2, 2, 8, 0, 4); fill_rectangle(&h-> mv_cache[1][scan8[i8*4]], 2, 2, 8, 0, 4); continue; } ref0 = l1ref0[x8 + (y8*2>>y_shift)*h->b8_stride]; if(ref0 >= 0) ref0 = map_col_to_list0[0][ref0*2>>y_shift]; else{ ref0 = map_col_to_list0[1][l1ref1[x8 + (y8*2>>y_shift)*h->b8_stride]*2>>y_shift]; l1mv= l1mv1; } scale = dist_scale_factor[ref0]; fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, ref0, 1); { const int16_t *mv_col = l1mv[x8*3 + (y8*6>>y_shift)*h->b_stride]; int my_col = (mv_col[1]<<y_shift)/2; int mx = (scale * mv_col[0] + 128) >> 8; int my = (scale * my_col + 128) >> 8; fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, pack16to32(mx,my), 4); fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, pack16to32(mx-mv_col[0],my-my_col), 4); } } return; } } if(IS_16X16(*mb_type)){ int ref, mv0, mv1; fill_rectangle(&h->ref_cache[1][scan8[0]], 4, 4, 8, 0, 1); if(IS_INTRA(mb_type_col)){ ref=mv0=mv1=0; }else{ const int ref0 = l1ref0[0] >= 0 ? map_col_to_list0[0][l1ref0[0]] : map_col_to_list0[1][l1ref1[0]]; const int scale = dist_scale_factor[ref0]; const int16_t *mv_col = l1ref0[0] >= 0 ? l1mv0[0] : l1mv1[0]; int mv_l0[2]; mv_l0[0] = (scale * mv_col[0] + 128) >> 8; mv_l0[1] = (scale * mv_col[1] + 128) >> 8; ref= ref0; mv0= pack16to32(mv_l0[0],mv_l0[1]); mv1= pack16to32(mv_l0[0]-mv_col[0],mv_l0[1]-mv_col[1]); } fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, ref, 1); fill_rectangle(&h-> mv_cache[0][scan8[0]], 4, 4, 8, mv0, 4); fill_rectangle(&h-> mv_cache[1][scan8[0]], 4, 4, 8, mv1, 4); }else{ for(i8=0; i8<4; i8++){ const int x8 = i8&1; const int y8 = i8>>1; int ref0, scale; const int16_t (*l1mv)[2]= l1mv0; if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8])) continue; h->sub_mb_type[i8] = sub_mb_type; fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, 0, 1); if(IS_INTRA(mb_type_col)){ fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, 0, 1); fill_rectangle(&h-> mv_cache[0][scan8[i8*4]], 2, 2, 8, 0, 4); fill_rectangle(&h-> mv_cache[1][scan8[i8*4]], 2, 2, 8, 0, 4); continue; } ref0 = l1ref0[x8 + y8*h->b8_stride]; if(ref0 >= 0) ref0 = map_col_to_list0[0][ref0]; else{ ref0 = map_col_to_list0[1][l1ref1[x8 + y8*h->b8_stride]]; l1mv= l1mv1; } scale = dist_scale_factor[ref0]; fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, ref0, 1); if(IS_SUB_8X8(sub_mb_type)){ const int16_t *mv_col = l1mv[x8*3 + y8*3*h->b_stride]; int mx = (scale * mv_col[0] + 128) >> 8; int my = (scale * mv_col[1] + 128) >> 8; fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, pack16to32(mx,my), 4); fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, pack16to32(mx-mv_col[0],my-mv_col[1]), 4); }else for(i4=0; i4<4; i4++){ const int16_t *mv_col = l1mv[x8*2 + (i4&1) + (y8*2 + (i4>>1))*h->b_stride]; int16_t *mv_l0 = h->mv_cache[0][scan8[i8*4+i4]]; mv_l0[0] = (scale * mv_col[0] + 128) >> 8; mv_l0[1] = (scale * mv_col[1] + 128) >> 8; *(uint32_t*)h->mv_cache[1][scan8[i8*4+i4]] = pack16to32(mv_l0[0]-mv_col[0],mv_l0[1]-mv_col[1]); } } } } }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/h264.c/#L1084
d2a_code_data_43680
int test_sub(BIO *bp) { BIGNUM *a, *b, *c; int i; a = BN_new(); b = BN_new(); c = BN_new(); for (i = 0; i < num0 + num1; i++) { if (i < num1) { BN_bntest_rand(a, 512, 0, 0); BN_copy(b, a); if (BN_set_bit(a, i) == 0) return (0); BN_add_word(b, i); } else { BN_bntest_rand(b, 400 + i - num1, 0, 0); a->neg = rand_neg(); b->neg = rand_neg(); } BN_sub(c, a, b); 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, "\n"); } BN_add(c, c, b); BN_sub(c, c, a); if (!BN_is_zero(c)) { fprintf(stderr, "Subtract test failed!\n"); return 0; } } BN_free(a); BN_free(b); BN_free(c); return (1); }
https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/test/bntest.c/#L445
d2a_code_data_43681
int asn1_time_to_tm(struct tm *tm, const ASN1_TIME *d) { static const int min[9] = { 0, 0, 1, 1, 0, 0, 0, 0, 0 }; static const int max[9] = { 99, 99, 12, 31, 23, 59, 59, 12, 59 }; static const int mdays[12] = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }; char *a; int n, i, i2, l, o, min_l = 11, strict = 0, end = 6, btz = 5, md; struct tm tmp; #if defined(CHARSET_EBCDIC) const char upper_z = 0x5A, num_zero = 0x30, period = 0x2E, minus = 0x2D, plus = 0x2B; #else const char upper_z = 'Z', num_zero = '0', period = '.', minus = '-', plus = '+'; #endif if (d->type == V_ASN1_UTCTIME) { if (d->flags & ASN1_STRING_FLAG_X509_TIME) { min_l = 13; strict = 1; } } else if (d->type == V_ASN1_GENERALIZEDTIME) { end = 7; btz = 6; if (d->flags & ASN1_STRING_FLAG_X509_TIME) { min_l = 15; strict = 1; } else { min_l = 13; } } else { return 0; } l = d->length; a = (char *)d->data; o = 0; memset(&tmp, 0, sizeof(tmp)); if (l < min_l) goto err; for (i = 0; i < end; i++) { if (!strict && (i == btz) && ((a[o] == upper_z) || (a[o] == plus) || (a[o] == minus))) { i++; break; } if (!ascii_isdigit(a[o])) goto err; n = a[o] - num_zero; if (++o == l) goto err; if (!ascii_isdigit(a[o])) goto err; n = (n * 10) + a[o] - num_zero; if (++o == l) goto err; i2 = (d->type == V_ASN1_UTCTIME) ? i + 1 : i; if ((n < min[i2]) || (n > max[i2])) goto err; switch (i2) { case 0: tmp.tm_year = n * 100 - 1900; break; case 1: if (d->type == V_ASN1_UTCTIME) tmp.tm_year = n < 50 ? n + 100 : n; else tmp.tm_year += n; break; case 2: tmp.tm_mon = n - 1; break; case 3: if (tmp.tm_mon == 1) { md = mdays[1] + leap_year(tmp.tm_year + 1900); } else { md = mdays[tmp.tm_mon]; } if (n > md) goto err; tmp.tm_mday = n; determine_days(&tmp); break; case 4: tmp.tm_hour = n; break; case 5: tmp.tm_min = n; break; case 6: tmp.tm_sec = n; break; } } if (d->type == V_ASN1_GENERALIZEDTIME && a[o] == period) { if (strict) goto err; if (++o == l) goto err; i = o; while ((o < l) && ascii_isdigit(a[o])) o++; if (i == o) goto err; if (o == l) goto err; } if (a[o] == upper_z) { o++; } else if (!strict && ((a[o] == plus) || (a[o] == minus))) { int offsign = a[o] == minus ? 1 : -1; int offset = 0; o++; if (o + 4 != l) goto err; for (i = end; i < end + 2; i++) { if (!ascii_isdigit(a[o])) goto err; n = a[o] - num_zero; o++; if (!ascii_isdigit(a[o])) goto err; n = (n * 10) + a[o] - num_zero; i2 = (d->type == V_ASN1_UTCTIME) ? i + 1 : i; if ((n < min[i2]) || (n > max[i2])) goto err; if (tm != NULL) { if (i == end) offset = n * 3600; else if (i == end + 1) offset += n * 60; } o++; } if (offset && !OPENSSL_gmtime_adj(&tmp, 0, offset * offsign)) goto err; } else { goto err; } if (o == l) { if (tm != NULL) *tm = tmp; return 1; } err: return 0; }
https://github.com/openssl/openssl/blob/d95422761116791966dcd0dd7035b46795482482/crypto/asn1/a_time.c/#L238
d2a_code_data_43682
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_43683
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_43684
int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes) { if (!ossl_assert(pkt->subs != NULL && len != 0)) return 0; if (pkt->maxsize - pkt->written < len) return 0; if (pkt->staticbuf == NULL && (pkt->buf->length - pkt->written < len)) { size_t newlen; size_t reflen; reflen = (len > pkt->buf->length) ? len : pkt->buf->length; if (reflen > SIZE_MAX / 2) { newlen = SIZE_MAX; } else { newlen = reflen * 2; if (newlen < DEFAULT_BUF_SIZE) newlen = DEFAULT_BUF_SIZE; } if (BUF_MEM_grow(pkt->buf, newlen) == 0) return 0; } if (allocbytes != NULL) *allocbytes = WPACKET_get_curr(pkt); return 1; }
https://github.com/openssl/openssl/blob/9f5671c7e9f30dfa53b1a2b553f234c2761ceb66/ssl/packet.c/#L48
d2a_code_data_43685
static void old_print_object_footer(const char *name) { char *str, *p; if (!strcmp(name, "tags")) return; str = p = av_strdup(name); if (!str) return; while (*p) { *p = av_toupper(*p); p++; } avio_printf(probe_out, "[/%s]\n", str); av_freep(&str); }
https://github.com/libav/libav/blob/d0a603a534a0ee4b255e5e72742428a7f7f42b83/avprobe.c/#L379
d2a_code_data_43686
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_43687
static int decode_audio_specific_config(AACContext *ac, AVCodecContext *avctx, MPEG4AudioConfig *m4ac, const uint8_t *data, int data_size) { GetBitContext gb; int i; init_get_bits(&gb, data, data_size * 8); if ((i = ff_mpeg4audio_get_config(m4ac, data, data_size)) < 0) return -1; if (m4ac->sampling_index > 12) { av_log(avctx, AV_LOG_ERROR, "invalid sampling rate index %d\n", m4ac->sampling_index); return -1; } if (m4ac->sbr == 1 && m4ac->ps == -1) m4ac->ps = 1; skip_bits_long(&gb, i); switch (m4ac->object_type) { case AOT_AAC_MAIN: case AOT_AAC_LC: if (decode_ga_specific_config(ac, avctx, &gb, m4ac, m4ac->chan_config)) return -1; break; default: av_log(avctx, AV_LOG_ERROR, "Audio object type %s%d is not supported.\n", m4ac->sbr == 1? "SBR+" : "", m4ac->object_type); return -1; } return get_bits_count(&gb); }
https://github.com/libav/libav/blob/87e4d9b252bc6fa3b982f7050013069c9dc3e05b/libavcodec/aacdec.c/#L481
d2a_code_data_43688
static int asn1_get_length(const unsigned char **pp, int *inf, long *rl, long max) { const unsigned char *p = *pp; unsigned long ret = 0; int i; if (max-- < 1) return 0; if (*p == 0x80) { *inf = 1; p++; } else { *inf = 0; i = *p & 0x7f; if (*p++ & 0x80) { if (max < i + 1) return 0; while (i > 0 && *p == 0) { p++; i--; } if (i > (int)sizeof(long)) return 0; while (i > 0) { ret <<= 8; ret |= *p++; i--; } if (ret > LONG_MAX) return 0; } else ret = i; } *pp = p; *rl = (long)ret; return 1; }
https://github.com/openssl/openssl/blob/c784a838e0947fcca761ee62def7d077dc06d37f/crypto/asn1/asn1_lib.c/#L131
d2a_code_data_43689
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_43690
static int cng_decode_frame(AVCodecContext *avctx, void *data, int *got_frame_ptr, AVPacket *avpkt) { CNGContext *p = avctx->priv_data; int buf_size = avpkt->size; int ret, i; int16_t *buf_out; float e = 1.0; float scaling; if (avpkt->size) { float dbov = -avpkt->data[0] / 10.0; p->target_energy = 1081109975 * pow(10, dbov) * 0.75; memset(p->target_refl_coef, 0, sizeof(p->refl_coef)); for (i = 0; i < FFMIN(avpkt->size - 1, p->order); i++) { p->target_refl_coef[i] = (avpkt->data[1 + i] - 127) / 128.0; } make_lpc_coefs(p->lpc_coef, p->refl_coef, p->order); } p->energy = p->energy / 2 + p->target_energy / 2; for (i = 0; i < p->order; i++) p->refl_coef[i] = 0.6 *p->refl_coef[i] + 0.4 * p->target_refl_coef[i]; for (i = 0; i < p->order; i++) e *= 1.0 - p->refl_coef[i]*p->refl_coef[i]; scaling = sqrt(e * p->energy / 1081109975); for (i = 0; i < avctx->frame_size; i++) { int r = (av_lfg_get(&p->lfg) & 0xffff) - 0x8000; p->excitation[i] = scaling * r; } ff_celp_lp_synthesis_filterf(p->filter_out + p->order, p->lpc_coef, p->excitation, avctx->frame_size, p->order); p->avframe.nb_samples = avctx->frame_size; if ((ret = avctx->get_buffer(avctx, &p->avframe)) < 0) { av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n"); return ret; } buf_out = (int16_t *)p->avframe.data[0]; for (i = 0; i < avctx->frame_size; i++) buf_out[i] = p->filter_out[i + p->order]; memcpy(p->filter_out, p->filter_out + avctx->frame_size, p->order * sizeof(*p->filter_out)); *got_frame_ptr = 1; *(AVFrame *)data = p->avframe; return buf_size; }
https://github.com/libav/libav/blob/9b500b8f6c9806f3979f9d1fb874b7f4a802c656/libavcodec/cngdec.c/#L127
d2a_code_data_43691
static unsigned int BN_STACK_pop(BN_STACK *st) { return st->indexes[--(st->depth)]; }
https://github.com/openssl/openssl/blob/56c7754cab3da9745e52e36b0bf998f8356fd6d5/crypto/bn/bn_ctx.c/#L353
d2a_code_data_43692
void CRYPTO_free(void *str, const char *file, int line) { INCREMENT(free_count); if (free_impl != NULL && free_impl != &CRYPTO_free) { free_impl(str, file, line); return; } #ifndef OPENSSL_NO_CRYPTO_MDEBUG if (call_malloc_debug) { CRYPTO_mem_debug_free(str, 0, file, line); free(str); CRYPTO_mem_debug_free(str, 1, file, line); } else { free(str); } #else free(str); #endif }
https://github.com/openssl/openssl/blob/388de53c274dee20c07eee7ff892108668fb3a61/crypto/mem.c/#L312
d2a_code_data_43693
int o2i_SCT_signature(SCT *sct, const unsigned char **in, size_t len) { size_t siglen; size_t len_remaining = len; const unsigned char *p; if (sct->version != SCT_VERSION_V1) { CTerr(CT_F_O2I_SCT_SIGNATURE, CT_R_UNSUPPORTED_VERSION); return -1; } if (len <= 4) { CTerr(CT_F_O2I_SCT_SIGNATURE, CT_R_SCT_INVALID_SIGNATURE); return -1; } p = *in; sct->hash_alg = *p++; sct->sig_alg = *p++; if (SCT_get_signature_nid(sct) == NID_undef) { CTerr(CT_F_O2I_SCT_SIGNATURE, CT_R_SCT_INVALID_SIGNATURE); return -1; } n2s(p, siglen); len_remaining -= (p - *in); if (siglen > len_remaining) { CTerr(CT_F_O2I_SCT_SIGNATURE, CT_R_SCT_INVALID_SIGNATURE); return -1; } if (SCT_set1_signature(sct, p, siglen) != 1) return -1; len_remaining -= siglen; *in = p + siglen; return len - len_remaining; }
https://github.com/openssl/openssl/blob/2d13250fd695eba777fe7e2af4beb1b7d356bd8f/crypto/ct/ct_oct.c/#L55
d2a_code_data_43694
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/#L1160
d2a_code_data_43695
static int old_hmac_decode(EVP_PKEY *pkey, const unsigned char **pder, int derlen) { ASN1_OCTET_STRING *os; os = ASN1_OCTET_STRING_new(); if (os == NULL || !ASN1_OCTET_STRING_set(os, *pder, derlen)) goto err; if (!EVP_PKEY_assign(pkey, EVP_PKEY_HMAC, os)) goto err; return 1; err: ASN1_OCTET_STRING_free(os); return 0; }
https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/crypto/hmac/hm_ameth.c/#L117
d2a_code_data_43696
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_43697
static int dv_audio_frame_size(const DVprofile* sys, int frame) { return sys->audio_samples_dist[frame % (sizeof(sys->audio_samples_dist)/ sizeof(sys->audio_samples_dist[0]))]; }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavformat/dvenc.c/#L66
d2a_code_data_43698
static int rtsp_open_transport_ctx(AVFormatContext *s, RTSPStream *rtsp_st) { RTSPState *rt = s->priv_data; AVStream *st = NULL; if (rtsp_st->stream_index >= 0) st = s->streams[rtsp_st->stream_index]; if (!st) s->ctx_flags |= AVFMTCTX_NOHEADER; if (s->oformat && CONFIG_RTSP_MUXER) { rtsp_st->transport_priv = ff_rtp_chain_mux_open(s, st, rtsp_st->rtp_handle, RTSP_TCP_MAX_PACKET_SIZE); rtsp_st->rtp_handle = NULL; } else if (rt->transport == RTSP_TRANSPORT_RDT && CONFIG_RTPDEC) rtsp_st->transport_priv = ff_rdt_parse_open(s, st->index, rtsp_st->dynamic_protocol_context, rtsp_st->dynamic_handler); else if (CONFIG_RTPDEC) rtsp_st->transport_priv = rtp_parse_open(s, st, rtsp_st->rtp_handle, rtsp_st->sdp_payload_type, (rt->lower_transport == RTSP_LOWER_TRANSPORT_TCP || !s->max_delay) ? 0 : RTP_REORDER_QUEUE_DEFAULT_SIZE); if (!rtsp_st->transport_priv) { return AVERROR(ENOMEM); } else if (rt->transport != RTSP_TRANSPORT_RDT && CONFIG_RTPDEC) { if (rtsp_st->dynamic_handler) { rtp_parse_set_dynamic_protocol(rtsp_st->transport_priv, rtsp_st->dynamic_protocol_context, rtsp_st->dynamic_handler); } } return 0; }
https://github.com/libav/libav/blob/eced8fa02ea237abd9c6a6e9287bb7524addb8f4/libavformat/rtsp.c/#L526
d2a_code_data_43699
static void cpSeparateBufToContigBuf(uint8* out, uint8* in, uint32 rows, uint32 cols, int outskew, int inskew, tsample_t spp, int bytes_per_sample) { while (rows-- > 0) { uint32 j = cols; while (j-- > 0) { int n = bytes_per_sample; while( n-- ) { *out++ = *in++; } out += (spp-1)*bytes_per_sample; } out += outskew; in += inskew; } }
https://gitlab.com/libtiff/libtiff/blob/771a4ea0a98c7a218c9f3add9a05e08d29625758/tools/tiffcp.c/#L1108
d2a_code_data_43700
static int asn1_get_length(const unsigned char **pp, int *inf, long *rl, long max) { const unsigned char *p = *pp; unsigned long ret = 0; int i; if (max-- < 1) return 0; if (*p == 0x80) { *inf = 1; p++; } else { *inf = 0; i = *p & 0x7f; if (*p++ & 0x80) { if (max < i + 1) return 0; while (i > 0 && *p == 0) { p++; i--; } if (i > (int)sizeof(long)) return 0; while (i > 0) { ret <<= 8; ret |= *p++; i--; } if (ret > LONG_MAX) return 0; } else ret = i; } *pp = p; *rl = (long)ret; return 1; }
https://github.com/openssl/openssl/blob/c784a838e0947fcca761ee62def7d077dc06d37f/crypto/asn1/asn1_lib.c/#L131
d2a_code_data_43701
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_43702
static int tm2_decode_blocks(TM2Context *ctx, AVFrame *p) { int i, j; int bw, bh; int type; int keyframe = 1; uint8_t *Y, *U, *V; int *src; bw = ctx->avctx->width >> 2; bh = ctx->avctx->height >> 2; for(i = 0; i < TM2_NUM_STREAMS; i++) ctx->tok_ptrs[i] = 0; if (ctx->tok_lens[TM2_TYPE]<bw*bh){ av_log(ctx->avctx,AV_LOG_ERROR,"Got %i tokens for %i blocks\n",ctx->tok_lens[TM2_TYPE],bw*bh); return -1; } memset(ctx->last, 0, 4 * bw * sizeof(int)); memset(ctx->clast, 0, 4 * bw * sizeof(int)); for(j = 0; j < bh; j++) { memset(ctx->D, 0, 4 * sizeof(int)); memset(ctx->CD, 0, 4 * sizeof(int)); for(i = 0; i < bw; i++) { type = GET_TOK(ctx, TM2_TYPE); switch(type) { case TM2_HI_RES: tm2_hi_res_block(ctx, p, i, j); break; case TM2_MED_RES: tm2_med_res_block(ctx, p, i, j); break; case TM2_LOW_RES: tm2_low_res_block(ctx, p, i, j); break; case TM2_NULL_RES: tm2_null_res_block(ctx, p, i, j); break; case TM2_UPDATE: tm2_update_block(ctx, p, i, j); keyframe = 0; break; case TM2_STILL: tm2_still_block(ctx, p, i, j); keyframe = 0; break; case TM2_MOTION: tm2_motion_block(ctx, p, i, j); keyframe = 0; break; default: av_log(ctx->avctx, AV_LOG_ERROR, "Skipping unknown block type %i\n", type); } } } Y = p->data[0]; src = (ctx->cur?ctx->Y2:ctx->Y1); for(j = 0; j < ctx->avctx->height; j++){ for(i = 0; i < ctx->avctx->width; i++){ Y[i] = av_clip_uint8(*src++); } Y += p->linesize[0]; } U = p->data[2]; src = (ctx->cur?ctx->U2:ctx->U1); for(j = 0; j < (ctx->avctx->height + 1) >> 1; j++){ for(i = 0; i < (ctx->avctx->width + 1) >> 1; i++){ U[i] = av_clip_uint8(*src++); } U += p->linesize[2]; } V = p->data[1]; src = (ctx->cur?ctx->V2:ctx->V1); for(j = 0; j < (ctx->avctx->height + 1) >> 1; j++){ for(i = 0; i < (ctx->avctx->width + 1) >> 1; i++){ V[i] = av_clip_uint8(*src++); } V += p->linesize[1]; } return keyframe; }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/truemotion2.c/#L696
d2a_code_data_43703
static int tree_add_unmatched(X509_POLICY_LEVEL *curr, const X509_POLICY_CACHE *cache, const ASN1_OBJECT *id, X509_POLICY_NODE *node, X509_POLICY_TREE *tree) { X509_POLICY_DATA *data; if (id == NULL) id = node->data->valid_policy; data = policy_data_new(NULL, id, node_critical(node)); if (data == NULL) return 0; data->qualifier_set = cache->anyPolicy->qualifier_set; data->flags |= POLICY_DATA_FLAG_SHARED_QUALIFIERS; if (!level_add_node(curr, data, node, tree)) { policy_data_free(data); return 0; } return 1; }
https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/crypto/x509v3/pcy_tree.c/#L365
d2a_code_data_43704
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/#L1064
d2a_code_data_43705
static void do_video_stats(AVFormatContext *os, AVOutputStream *ost, int frame_size) { AVCodecContext *enc; int frame_number; double ti1, bitrate, avg_bitrate; if (!vstats_file) { vstats_file = fopen(vstats_filename, "w"); if (!vstats_file) { perror("fopen"); av_exit(1); } } enc = ost->st->codec; if (enc->codec_type == CODEC_TYPE_VIDEO) { frame_number = ost->frame_number; fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA); if (enc->flags&CODEC_FLAG_PSNR) fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0))); fprintf(vstats_file,"f_size= %6d ", frame_size); ti1 = ost->sync_opts * av_q2d(enc->time_base); if (ti1 < 0.01) ti1 = 0.01; bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0; avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0; fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ", (double)video_size / 1024, ti1, bitrate, avg_bitrate); fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type)); } }
https://github.com/libav/libav/blob/9aaa2077e5879b153d2ce6bea2e42f0c349a083f/ffmpeg.c/#L1027
d2a_code_data_43706
void avfilter_unref_buffer(AVFilterBufferRef *ref) { if (!ref) return; if (!(--ref->buf->refcount)) ref->buf->free(ref->buf); av_free(ref->video); av_free(ref->audio); av_free(ref); }
https://github.com/libav/libav/blob/753890d0dbb641af156706594dfb2dec39644f4a/libavfilter/avfilter.c/#L76
d2a_code_data_43707
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/b3618f44a7b8504bfb0a64e8a33e6b8e56d4d516/crypto/bn/bn_shift.c/#L110
d2a_code_data_43708
void RC4_set_key(RC4_KEY *key, int len, const unsigned char *data) { register RC4_INT tmp; register int id1,id2; register RC4_INT *d; unsigned int i; d= &(key->data[0]); #if defined(__ia64) || defined(__ia64__) || defined(_M_IA64) d=(RC4_INT *)(((size_t)(d+255))&~(sizeof(key->data)-1)); #endif key->x = 0; key->y = 0; id1=id2=0; #define SK_LOOP(d,n) { \ tmp=d[(n)]; \ id2 = (data[id1] + tmp + id2) & 0xff; \ if (++id1 == len) id1=0; \ d[(n)]=d[id2]; \ d[id2]=tmp; } #if defined(OPENSSL_CPUID_OBJ) && !defined(OPENSSL_NO_ASM) # if defined(__i386) || defined(__i386__) || defined(_M_IX86) || \ defined(__INTEL__) || \ defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64) if (sizeof(RC4_INT) > 1) { if (OPENSSL_ia32cap_P & (1<<28)) { unsigned char *cp=(unsigned char *)d; for (i=0;i<256;i++) cp[i]=i; for (i=0;i<256;i++) SK_LOOP(cp,i); d[256/sizeof(RC4_INT)]=-1; return; } } # endif #endif for (i=0; i < 256; i++) d[i]=i; for (i=0; i < 256; i+=4) { SK_LOOP(d,i+0); SK_LOOP(d,i+1); SK_LOOP(d,i+2); SK_LOOP(d,i+3); } }
https://github.com/openssl/openssl/blob/914c2a28c05797dc44fb3f498e6e12e5bc0db2b3/crypto/rc4/rc4_skey.c/#L151
d2a_code_data_43709
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_43710
static int do_blob_header(const unsigned char **in, unsigned int length, unsigned int *pmagic, unsigned int *pbitlen, int *pisdss, int *pispub) { const unsigned char *p = *in; if (length < 16) return 0; if (*p == MS_PUBLICKEYBLOB) { if (*pispub == 0) { PEMerr(PEM_F_DO_BLOB_HEADER, PEM_R_EXPECTING_PRIVATE_KEY_BLOB); return 0; } *pispub = 1; } else if (*p == MS_PRIVATEKEYBLOB) { if (*pispub == 1) { PEMerr(PEM_F_DO_BLOB_HEADER, PEM_R_EXPECTING_PUBLIC_KEY_BLOB); return 0; } *pispub = 0; } else return 0; p++; if (*p++ != 0x2) { PEMerr(PEM_F_DO_BLOB_HEADER, PEM_R_BAD_VERSION_NUMBER); return 0; } p += 6; *pmagic = read_ledword(&p); *pbitlen = read_ledword(&p); *pisdss = 0; switch (*pmagic) { case MS_DSS1MAGIC: *pisdss = 1; case MS_RSA1MAGIC: if (*pispub == 0) { PEMerr(PEM_F_DO_BLOB_HEADER, PEM_R_EXPECTING_PRIVATE_KEY_BLOB); return 0; } break; case MS_DSS2MAGIC: *pisdss = 1; case MS_RSA2MAGIC: if (*pispub == 1) { PEMerr(PEM_F_DO_BLOB_HEADER, PEM_R_EXPECTING_PUBLIC_KEY_BLOB); return 0; } break; default: PEMerr(PEM_F_DO_BLOB_HEADER, PEM_R_BAD_MAGIC_NUMBER); return -1; } *in = p; return 1; }
https://github.com/openssl/openssl/blob/846ec07d904f9cc81d486db0db14fb84f61ff6e5/crypto/pem/pvkfmt.c/#L164
d2a_code_data_43711
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_43712
PUT_HEVC_QPEL_HV(3, 1)
https://github.com/libav/libav/blob/688417399c69aadd4c287bdb0dec82ef8799011c/libavcodec/hevcdsp_template.c/#L907
d2a_code_data_43713
STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *ssl_method, STACK_OF(SSL_CIPHER) *tls13_ciphersuites, STACK_OF(SSL_CIPHER) **cipher_list, STACK_OF(SSL_CIPHER) **cipher_list_by_id, const char *rule_str, CERT *c) { int ok, num_of_ciphers, num_of_alias_max, num_of_group_aliases, i; uint32_t disabled_mkey, disabled_auth, disabled_enc, disabled_mac; STACK_OF(SSL_CIPHER) *cipherstack; const char *rule_p; CIPHER_ORDER *co_list = NULL, *head = NULL, *tail = NULL, *curr; const SSL_CIPHER **ca_list = NULL; if (rule_str == NULL || cipher_list == NULL || cipher_list_by_id == NULL) return NULL; #ifndef OPENSSL_NO_EC if (!check_suiteb_cipher_list(ssl_method, c, &rule_str)) return NULL; #endif disabled_mkey = disabled_mkey_mask; disabled_auth = disabled_auth_mask; disabled_enc = disabled_enc_mask; disabled_mac = disabled_mac_mask; num_of_ciphers = ssl_method->num_ciphers(); co_list = OPENSSL_malloc(sizeof(*co_list) * num_of_ciphers); if (co_list == NULL) { SSLerr(SSL_F_SSL_CREATE_CIPHER_LIST, ERR_R_MALLOC_FAILURE); return NULL; } ssl_cipher_collect_ciphers(ssl_method, num_of_ciphers, disabled_mkey, disabled_auth, disabled_enc, disabled_mac, co_list, &head, &tail); ssl_cipher_apply_rule(0, SSL_kECDHE, SSL_aECDSA, 0, 0, 0, 0, CIPHER_ADD, -1, &head, &tail); ssl_cipher_apply_rule(0, SSL_kECDHE, 0, 0, 0, 0, 0, CIPHER_ADD, -1, &head, &tail); ssl_cipher_apply_rule(0, SSL_kECDHE, 0, 0, 0, 0, 0, CIPHER_DEL, -1, &head, &tail); ssl_cipher_apply_rule(0, 0, 0, SSL_AESGCM, 0, 0, 0, CIPHER_ADD, -1, &head, &tail); ssl_cipher_apply_rule(0, 0, 0, SSL_CHACHA20, 0, 0, 0, CIPHER_ADD, -1, &head, &tail); ssl_cipher_apply_rule(0, 0, 0, SSL_AES ^ SSL_AESGCM, 0, 0, 0, CIPHER_ADD, -1, &head, &tail); ssl_cipher_apply_rule(0, 0, 0, 0, 0, 0, 0, CIPHER_ADD, -1, &head, &tail); ssl_cipher_apply_rule(0, 0, 0, 0, SSL_MD5, 0, 0, CIPHER_ORD, -1, &head, &tail); ssl_cipher_apply_rule(0, 0, SSL_aNULL, 0, 0, 0, 0, CIPHER_ORD, -1, &head, &tail); ssl_cipher_apply_rule(0, SSL_kRSA, 0, 0, 0, 0, 0, CIPHER_ORD, -1, &head, &tail); ssl_cipher_apply_rule(0, SSL_kPSK, 0, 0, 0, 0, 0, CIPHER_ORD, -1, &head, &tail); ssl_cipher_apply_rule(0, 0, 0, SSL_RC4, 0, 0, 0, CIPHER_ORD, -1, &head, &tail); if (!ssl_cipher_strength_sort(&head, &tail)) { OPENSSL_free(co_list); return NULL; } ssl_cipher_apply_rule(0, 0, 0, 0, 0, TLS1_2_VERSION, 0, CIPHER_BUMP, -1, &head, &tail); ssl_cipher_apply_rule(0, 0, 0, 0, SSL_AEAD, 0, 0, CIPHER_BUMP, -1, &head, &tail); ssl_cipher_apply_rule(0, SSL_kDHE | SSL_kECDHE, 0, 0, 0, 0, 0, CIPHER_BUMP, -1, &head, &tail); ssl_cipher_apply_rule(0, SSL_kDHE | SSL_kECDHE, 0, 0, SSL_AEAD, 0, 0, CIPHER_BUMP, -1, &head, &tail); ssl_cipher_apply_rule(0, 0, 0, 0, 0, 0, 0, CIPHER_DEL, -1, &head, &tail); num_of_group_aliases = OSSL_NELEM(cipher_aliases); num_of_alias_max = num_of_ciphers + num_of_group_aliases + 1; ca_list = OPENSSL_malloc(sizeof(*ca_list) * num_of_alias_max); if (ca_list == NULL) { OPENSSL_free(co_list); SSLerr(SSL_F_SSL_CREATE_CIPHER_LIST, ERR_R_MALLOC_FAILURE); return NULL; } ssl_cipher_collect_aliases(ca_list, num_of_group_aliases, disabled_mkey, disabled_auth, disabled_enc, disabled_mac, head); ok = 1; rule_p = rule_str; if (strncmp(rule_str, "DEFAULT", 7) == 0) { ok = ssl_cipher_process_rulestr(SSL_DEFAULT_CIPHER_LIST, &head, &tail, ca_list, c); rule_p += 7; if (*rule_p == ':') rule_p++; } if (ok && (strlen(rule_p) > 0)) ok = ssl_cipher_process_rulestr(rule_p, &head, &tail, ca_list, c); OPENSSL_free(ca_list); if (!ok) { OPENSSL_free(co_list); return NULL; } if ((cipherstack = sk_SSL_CIPHER_new_null()) == NULL) { OPENSSL_free(co_list); return NULL; } for (i = 0; i < sk_SSL_CIPHER_num(tls13_ciphersuites); i++) { if (!sk_SSL_CIPHER_push(cipherstack, sk_SSL_CIPHER_value(tls13_ciphersuites, i))) { sk_SSL_CIPHER_free(cipherstack); return NULL; } } for (curr = head; curr != NULL; curr = curr->next) { if (curr->active) { if (!sk_SSL_CIPHER_push(cipherstack, curr->cipher)) { OPENSSL_free(co_list); sk_SSL_CIPHER_free(cipherstack); return NULL; } #ifdef CIPHER_DEBUG fprintf(stderr, "<%s>\n", curr->cipher->name); #endif } } OPENSSL_free(co_list); if (!update_cipher_list_by_id(cipher_list_by_id, cipherstack)) { sk_SSL_CIPHER_free(cipherstack); return NULL; } sk_SSL_CIPHER_free(*cipher_list); *cipher_list = cipherstack; return cipherstack; }
https://github.com/openssl/openssl/blob/4845aeba4c49e1bd65259a5014d7e3ab38657d42/ssl/ssl_ciph.c/#L1577
d2a_code_data_43714
static int setupMap(TIFFRGBAImage* img) { int32 x, range; range = (int32)((1L<<img->bitspersample)-1); if( img->bitspersample == 16 ) range = (int32) 255; img->Map = (TIFFRGBValue*) _TIFFmalloc((range+1) * sizeof (TIFFRGBValue)); if (img->Map == NULL) { TIFFErrorExt(img->tif->tif_clientdata, TIFFFileName(img->tif), "No space for photometric conversion table"); return (0); } if (img->photometric == PHOTOMETRIC_MINISWHITE) { for (x = 0; x <= range; x++) img->Map[x] = (TIFFRGBValue) (((range - x) * 255) / range); } else { for (x = 0; x <= range; x++) img->Map[x] = (TIFFRGBValue) ((x * 255) / range); } if (img->bitspersample <= 16 && (img->photometric == PHOTOMETRIC_MINISBLACK || img->photometric == PHOTOMETRIC_MINISWHITE)) { if (!makebwmap(img)) return (0); _TIFFfree(img->Map), img->Map = NULL; } return (1); }
https://gitlab.com/libtiff/libtiff/blob/b69a1998bedfabc32cd541408bffdef05bd01e45/libtiff/tif_getimage.c/#L2249
d2a_code_data_43715
SwsVector *sws_getConstVec(double c, int length){ int i; double *coeff= av_malloc(length*sizeof(double)); SwsVector *vec= av_malloc(sizeof(SwsVector)); vec->coeff= coeff; vec->length= length; for (i=0; i<length; i++) coeff[i]= c; return vec; }
https://github.com/libav/libav/blob/184bc53db4fded8857af09cee2adc7197940deb7/libswscale/swscale.c/#L2914
d2a_code_data_43716
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/#L1162
d2a_code_data_43717
int tls13_export_keying_material(SSL *s, unsigned char *out, size_t olen, const char *label, size_t llen, const unsigned char *context, size_t contextlen, int use_context) { unsigned char exportsecret[EVP_MAX_MD_SIZE]; static const unsigned char exporterlabel[] = "exporter"; unsigned char hash[EVP_MAX_MD_SIZE], data[EVP_MAX_MD_SIZE]; const EVP_MD *md = ssl_handshake_md(s); EVP_MD_CTX *ctx = EVP_MD_CTX_new(); unsigned int hashsize, datalen; int ret = 0; if (ctx == NULL || !ossl_statem_export_allowed(s)) goto err; if (!use_context) contextlen = 0; if (EVP_DigestInit_ex(ctx, md, NULL) <= 0 || EVP_DigestUpdate(ctx, context, contextlen) <= 0 || EVP_DigestFinal_ex(ctx, hash, &hashsize) <= 0 || EVP_DigestInit_ex(ctx, md, NULL) <= 0 || EVP_DigestFinal_ex(ctx, data, &datalen) <= 0 || !tls13_hkdf_expand(s, md, s->exporter_master_secret, (const unsigned char *)label, llen, data, datalen, exportsecret, hashsize) || !tls13_hkdf_expand(s, md, exportsecret, exporterlabel, sizeof(exporterlabel) - 1, hash, hashsize, out, olen)) goto err; ret = 1; err: EVP_MD_CTX_free(ctx); return ret; }
https://github.com/openssl/openssl/blob/b44882a0bd0717e0aab84f5dc3ef81ab673155e9/ssl/tls13_enc.c/#L757
d2a_code_data_43718
static unsigned constant_time_ge(unsigned a, unsigned b) { a -= b; return DUPLICATE_MSB_TO_ALL(~a); }
https://github.com/openssl/openssl/blob/4af793036f6ef4f0a1078e5d7155426a98d50e37/ssl/s3_cbc.c/#L89
d2a_code_data_43719
static ossl_inline void packet_forward(PACKET *pkt, size_t len) { pkt->curr += len; pkt->remaining -= len; }
https://github.com/openssl/openssl/blob/f1429b85c5821e55224e5878da9d0fa420a41f71/ssl/packet_locl.h/#L36
d2a_code_data_43720
int ssl3_send_client_key_exchange(SSL *s) { unsigned char *p; int n; #ifndef OPENSSL_NO_PSK size_t pskhdrlen = 0; #endif unsigned long alg_k; #ifndef OPENSSL_NO_RSA unsigned char *q; EVP_PKEY *pkey = NULL; #endif #ifndef OPENSSL_NO_EC EC_KEY *clnt_ecdh = NULL; const EC_POINT *srvr_ecpoint = NULL; EVP_PKEY *srvr_pub_pkey = NULL; unsigned char *encodedPoint = NULL; int encoded_pt_len = 0; BN_CTX *bn_ctx = NULL; #endif unsigned char *pms = NULL; size_t pmslen = 0; alg_k = s->s3->tmp.new_cipher->algorithm_mkey; if (s->state == SSL3_ST_CW_KEY_EXCH_A) { p = ssl_handshake_start(s); #ifndef OPENSSL_NO_PSK if (alg_k & SSL_PSK) { int psk_err = 1; char identity[PSK_MAX_IDENTITY_LEN + 1]; size_t identitylen; unsigned char psk[PSK_MAX_PSK_LEN]; size_t psklen; if (s->psk_client_callback == NULL) { SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, SSL_R_PSK_NO_CLIENT_CB); goto err; } memset(identity, 0, sizeof(identity)); psklen = s->psk_client_callback(s, s->session->psk_identity_hint, identity, sizeof(identity) - 1, psk, sizeof(psk)); if (psklen > PSK_MAX_PSK_LEN) { SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, ERR_R_INTERNAL_ERROR); goto psk_err; } else if (psklen == 0) { SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, SSL_R_PSK_IDENTITY_NOT_FOUND); goto psk_err; } OPENSSL_free(s->s3->tmp.psk); s->s3->tmp.psk = BUF_memdup(psk, psklen); OPENSSL_cleanse(psk, psklen); if (s->s3->tmp.psk == NULL) { OPENSSL_cleanse(identity, sizeof(identity)); goto memerr; } s->s3->tmp.psklen = psklen; identitylen = strlen(identity); if (identitylen > PSK_MAX_IDENTITY_LEN) { SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, ERR_R_INTERNAL_ERROR); goto psk_err; } OPENSSL_free(s->session->psk_identity); s->session->psk_identity = BUF_strdup(identity); if (s->session->psk_identity == NULL) { OPENSSL_cleanse(identity, sizeof(identity)); goto memerr; } s2n(identitylen, p); memcpy(p, identity, identitylen); pskhdrlen = 2 + identitylen; p += identitylen; psk_err = 0; psk_err: OPENSSL_cleanse(identity, sizeof(identity)); if (psk_err != 0) { ssl3_send_alert(s, SSL3_AL_FATAL, SSL_AD_HANDSHAKE_FAILURE); goto err; } } if (alg_k & SSL_kPSK) { n = 0; } else #endif if (0) { } #ifndef OPENSSL_NO_RSA else if (alg_k & (SSL_kRSA | SSL_kRSAPSK)) { RSA *rsa; pmslen = SSL_MAX_MASTER_KEY_LENGTH; pms = OPENSSL_malloc(pmslen); if (!pms) goto memerr; if (s->session->peer == NULL) { SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, ERR_R_INTERNAL_ERROR); goto err; } if (s->s3->peer_rsa_tmp != NULL) rsa = s->s3->peer_rsa_tmp; else { pkey = X509_get_pubkey(s->session->peer); if ((pkey == NULL) || (pkey->type != EVP_PKEY_RSA) || (pkey->pkey.rsa == NULL)) { SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, ERR_R_INTERNAL_ERROR); EVP_PKEY_free(pkey); goto err; } rsa = pkey->pkey.rsa; EVP_PKEY_free(pkey); } pms[0] = s->client_version >> 8; pms[1] = s->client_version & 0xff; if (RAND_bytes(pms + 2, pmslen - 2) <= 0) goto err; q = p; if (s->version > SSL3_VERSION) p += 2; n = RSA_public_encrypt(pmslen, pms, p, rsa, RSA_PKCS1_PADDING); # ifdef PKCS1_CHECK if (s->options & SSL_OP_PKCS1_CHECK_1) p[1]++; if (s->options & SSL_OP_PKCS1_CHECK_2) tmp_buf[0] = 0x70; # endif if (n <= 0) { SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, SSL_R_BAD_RSA_ENCRYPT); goto err; } if (s->version > SSL3_VERSION) { s2n(n, q); n += 2; } } #endif #ifndef OPENSSL_NO_DH else if (alg_k & (SSL_kDHE | SSL_kDHr | SSL_kDHd | SSL_kDHEPSK)) { DH *dh_srvr, *dh_clnt; if (s->s3->peer_dh_tmp != NULL) dh_srvr = s->s3->peer_dh_tmp; else { EVP_PKEY *spkey = NULL; dh_srvr = NULL; spkey = X509_get_pubkey(s->session->peer); if (spkey) { dh_srvr = EVP_PKEY_get1_DH(spkey); EVP_PKEY_free(spkey); } if (dh_srvr == NULL) { SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, ERR_R_INTERNAL_ERROR); goto err; } } if (s->s3->flags & TLS1_FLAGS_SKIP_CERT_VERIFY) { EVP_PKEY *clkey = s->cert->key->privatekey; dh_clnt = NULL; if (clkey) dh_clnt = EVP_PKEY_get1_DH(clkey); if (dh_clnt == NULL) { SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, ERR_R_INTERNAL_ERROR); goto err; } } else { if ((dh_clnt = DHparams_dup(dh_srvr)) == NULL) { SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, ERR_R_DH_LIB); goto err; } if (!DH_generate_key(dh_clnt)) { SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, ERR_R_DH_LIB); DH_free(dh_clnt); goto err; } } pmslen = DH_size(dh_clnt); pms = OPENSSL_malloc(pmslen); if (!pms) goto memerr; n = DH_compute_key(pms, dh_srvr->pub_key, dh_clnt); if (s->s3->peer_dh_tmp == NULL) DH_free(dh_srvr); if (n <= 0) { SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, ERR_R_DH_LIB); DH_free(dh_clnt); goto err; } pmslen = n; if (s->s3->flags & TLS1_FLAGS_SKIP_CERT_VERIFY) n = 0; else { n = BN_num_bytes(dh_clnt->pub_key); s2n(n, p); BN_bn2bin(dh_clnt->pub_key, p); n += 2; } DH_free(dh_clnt); } #endif #ifndef OPENSSL_NO_EC else if (alg_k & (SSL_kECDHE | SSL_kECDHr | SSL_kECDHe | SSL_kECDHEPSK)) { const EC_GROUP *srvr_group = NULL; EC_KEY *tkey; int ecdh_clnt_cert = 0; int field_size = 0; if ((alg_k & (SSL_kECDHr | SSL_kECDHe)) && (s->cert != NULL)) { } if (s->s3->peer_ecdh_tmp != NULL) { tkey = s->s3->peer_ecdh_tmp; } else { srvr_pub_pkey = X509_get_pubkey(s->session->peer); if ((srvr_pub_pkey == NULL) || (srvr_pub_pkey->type != EVP_PKEY_EC) || (srvr_pub_pkey->pkey.ec == NULL)) { SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, ERR_R_INTERNAL_ERROR); goto err; } tkey = srvr_pub_pkey->pkey.ec; } srvr_group = EC_KEY_get0_group(tkey); srvr_ecpoint = EC_KEY_get0_public_key(tkey); if ((srvr_group == NULL) || (srvr_ecpoint == NULL)) { SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, ERR_R_INTERNAL_ERROR); goto err; } if ((clnt_ecdh = EC_KEY_new()) == NULL) { SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, ERR_R_MALLOC_FAILURE); goto err; } if (!EC_KEY_set_group(clnt_ecdh, srvr_group)) { SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, ERR_R_EC_LIB); goto err; } if (ecdh_clnt_cert) { const BIGNUM *priv_key; tkey = s->cert->key->privatekey->pkey.ec; priv_key = EC_KEY_get0_private_key(tkey); if (priv_key == NULL) { SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, ERR_R_MALLOC_FAILURE); goto err; } if (!EC_KEY_set_private_key(clnt_ecdh, priv_key)) { SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, ERR_R_EC_LIB); goto err; } } else { if (!(EC_KEY_generate_key(clnt_ecdh))) { SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, ERR_R_ECDH_LIB); goto err; } } field_size = EC_GROUP_get_degree(srvr_group); if (field_size <= 0) { SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, ERR_R_ECDH_LIB); goto err; } pmslen = (field_size + 7) / 8; pms = OPENSSL_malloc(pmslen); if (!pms) goto memerr; n = ECDH_compute_key(pms, pmslen, srvr_ecpoint, clnt_ecdh, NULL); if (n <= 0 || pmslen != (size_t)n) { SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, ERR_R_ECDH_LIB); goto err; } if (ecdh_clnt_cert) { n = 0; } else { encoded_pt_len = EC_POINT_point2oct(srvr_group, EC_KEY_get0_public_key(clnt_ecdh), POINT_CONVERSION_UNCOMPRESSED, NULL, 0, NULL); encodedPoint = (unsigned char *) OPENSSL_malloc(encoded_pt_len * sizeof(unsigned char)); bn_ctx = BN_CTX_new(); if ((encodedPoint == NULL) || (bn_ctx == NULL)) { SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, ERR_R_MALLOC_FAILURE); goto err; } n = EC_POINT_point2oct(srvr_group, EC_KEY_get0_public_key(clnt_ecdh), POINT_CONVERSION_UNCOMPRESSED, encodedPoint, encoded_pt_len, bn_ctx); *p = n; p += 1; memcpy(p, encodedPoint, n); n += 1; } BN_CTX_free(bn_ctx); OPENSSL_free(encodedPoint); EC_KEY_free(clnt_ecdh); EVP_PKEY_free(srvr_pub_pkey); } #endif else if (alg_k & SSL_kGOST) { EVP_PKEY_CTX *pkey_ctx; X509 *peer_cert; size_t msglen; unsigned int md_len; unsigned char shared_ukm[32], tmp[256]; EVP_MD_CTX *ukm_hash; EVP_PKEY *pub_key; pmslen = 32; pms = OPENSSL_malloc(pmslen); if (!pms) goto memerr; peer_cert = s->session->peer; if (!peer_cert) { SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, SSL_R_NO_GOST_CERTIFICATE_SENT_BY_PEER); goto err; } pkey_ctx = EVP_PKEY_CTX_new(pub_key = X509_get_pubkey(peer_cert), NULL); EVP_PKEY_encrypt_init(pkey_ctx); if (RAND_bytes(pms, pmslen) <= 0) { EVP_PKEY_CTX_free(pkey_ctx); SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, ERR_R_INTERNAL_ERROR); goto err; }; if (s->s3->tmp.cert_req && s->cert->key->privatekey) { if (EVP_PKEY_derive_set_peer (pkey_ctx, s->cert->key->privatekey) <= 0) { ERR_clear_error(); } } ukm_hash = EVP_MD_CTX_create(); EVP_DigestInit(ukm_hash, EVP_get_digestbynid(NID_id_GostR3411_94)); EVP_DigestUpdate(ukm_hash, s->s3->client_random, SSL3_RANDOM_SIZE); EVP_DigestUpdate(ukm_hash, s->s3->server_random, SSL3_RANDOM_SIZE); EVP_DigestFinal_ex(ukm_hash, shared_ukm, &md_len); EVP_MD_CTX_destroy(ukm_hash); if (EVP_PKEY_CTX_ctrl (pkey_ctx, -1, EVP_PKEY_OP_ENCRYPT, EVP_PKEY_CTRL_SET_IV, 8, shared_ukm) < 0) { SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, SSL_R_LIBRARY_BUG); goto err; } *(p++) = V_ASN1_SEQUENCE | V_ASN1_CONSTRUCTED; msglen = 255; if (EVP_PKEY_encrypt(pkey_ctx, tmp, &msglen, pms, pmslen) < 0) { SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, SSL_R_LIBRARY_BUG); goto err; } if (msglen >= 0x80) { *(p++) = 0x81; *(p++) = msglen & 0xff; n = msglen + 3; } else { *(p++) = msglen & 0xff; n = msglen + 2; } memcpy(p, tmp, msglen); if (EVP_PKEY_CTX_ctrl (pkey_ctx, -1, -1, EVP_PKEY_CTRL_PEER_KEY, 2, NULL) > 0) { s->s3->flags |= TLS1_FLAGS_SKIP_CERT_VERIFY; } EVP_PKEY_CTX_free(pkey_ctx); EVP_PKEY_free(pub_key); } #ifndef OPENSSL_NO_SRP else if (alg_k & SSL_kSRP) { if (s->srp_ctx.A != NULL) { n = BN_num_bytes(s->srp_ctx.A); s2n(n, p); BN_bn2bin(s->srp_ctx.A, p); n += 2; } else { SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, ERR_R_INTERNAL_ERROR); goto err; } OPENSSL_free(s->session->srp_username); s->session->srp_username = BUF_strdup(s->srp_ctx.login); if (s->session->srp_username == NULL) { SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, ERR_R_MALLOC_FAILURE); goto err; } } #endif else { ssl3_send_alert(s, SSL3_AL_FATAL, SSL_AD_HANDSHAKE_FAILURE); SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, ERR_R_INTERNAL_ERROR); goto err; } #ifndef OPENSSL_NO_PSK n += pskhdrlen; #endif if (!ssl_set_handshake_header(s, SSL3_MT_CLIENT_KEY_EXCHANGE, n)) { ssl3_send_alert(s, SSL3_AL_FATAL, SSL_AD_HANDSHAKE_FAILURE); SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, ERR_R_INTERNAL_ERROR); goto err; } s->state = SSL3_ST_CW_KEY_EXCH_B; } n = ssl_do_write(s); #ifndef OPENSSL_NO_SRP if (alg_k & SSL_kSRP) { if (n > 0) { if (!srp_generate_client_master_secret(s)) { SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, ERR_R_INTERNAL_ERROR); goto err; } } } else #endif if (n <= 0) { s->s3->tmp.pms = pms; s->s3->tmp.pmslen = pmslen; } else { if (pms == NULL) { pms = s->s3->tmp.pms; pmslen = s->s3->tmp.pmslen; } if (pms == NULL && !(alg_k & SSL_kPSK)) { ssl3_send_alert(s, SSL3_AL_FATAL, SSL_AD_INTERNAL_ERROR); SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, ERR_R_MALLOC_FAILURE); goto err; } if (!ssl_generate_master_secret(s, pms, pmslen, 1)) { ssl3_send_alert(s, SSL3_AL_FATAL, SSL_AD_INTERNAL_ERROR); SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, ERR_R_INTERNAL_ERROR); goto err; } } return n; memerr: ssl3_send_alert(s, SSL3_AL_FATAL, SSL_AD_INTERNAL_ERROR); SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, ERR_R_MALLOC_FAILURE); err: OPENSSL_clear_free(pms, pmslen); s->s3->tmp.pms = NULL; #ifndef OPENSSL_NO_EC BN_CTX_free(bn_ctx); OPENSSL_free(encodedPoint); EC_KEY_free(clnt_ecdh); EVP_PKEY_free(srvr_pub_pkey); #endif #ifndef OPENSSL_NO_PSK OPENSSL_clear_free(s->s3->tmp.psk, s->s3->tmp.psklen); s->s3->tmp.psk = NULL; #endif s->state = SSL_ST_ERR; return (-1); }
https://github.com/openssl/openssl/blob/f8e0a5573820bd7318782d4954c6643ff7e58102/ssl/s3_clnt.c/#L2825
d2a_code_data_43721
static int sbr_make_f_master(AACContext *ac, SpectralBandReplication *sbr, SpectrumParameters *spectrum) { unsigned int temp, max_qmf_subbands; unsigned int start_min, stop_min; int k; const int8_t *sbr_offset_ptr; int16_t stop_dk[13]; if (sbr->sample_rate < 32000) { temp = 3000; } else if (sbr->sample_rate < 64000) { temp = 4000; } else temp = 5000; start_min = ((temp << 7) + (sbr->sample_rate >> 1)) / sbr->sample_rate; stop_min = ((temp << 8) + (sbr->sample_rate >> 1)) / sbr->sample_rate; switch (sbr->sample_rate) { case 16000: sbr_offset_ptr = sbr_offset[0]; break; case 22050: sbr_offset_ptr = sbr_offset[1]; break; case 24000: sbr_offset_ptr = sbr_offset[2]; break; case 32000: sbr_offset_ptr = sbr_offset[3]; break; case 44100: case 48000: case 64000: sbr_offset_ptr = sbr_offset[4]; break; case 88200: case 96000: case 128000: case 176400: case 192000: sbr_offset_ptr = sbr_offset[5]; break; default: av_log(ac->avctx, AV_LOG_ERROR, "Unsupported sample rate for SBR: %d\n", sbr->sample_rate); return -1; } sbr->k[0] = start_min + sbr_offset_ptr[spectrum->bs_start_freq]; if (spectrum->bs_stop_freq < 14) { sbr->k[2] = stop_min; make_bands(stop_dk, stop_min, 64, 13); qsort(stop_dk, 13, sizeof(stop_dk[0]), qsort_comparison_function_int16); for (k = 0; k < spectrum->bs_stop_freq; k++) sbr->k[2] += stop_dk[k]; } else if (spectrum->bs_stop_freq == 14) { sbr->k[2] = 2*sbr->k[0]; } else if (spectrum->bs_stop_freq == 15) { sbr->k[2] = 3*sbr->k[0]; } else { av_log(ac->avctx, AV_LOG_ERROR, "Invalid bs_stop_freq: %d\n", spectrum->bs_stop_freq); return -1; } sbr->k[2] = FFMIN(64, sbr->k[2]); if (sbr->sample_rate <= 32000) { max_qmf_subbands = 48; } else if (sbr->sample_rate == 44100) { max_qmf_subbands = 35; } else if (sbr->sample_rate >= 48000) max_qmf_subbands = 32; if (sbr->k[2] - sbr->k[0] > max_qmf_subbands) { av_log(ac->avctx, AV_LOG_ERROR, "Invalid bitstream, too many QMF subbands: %d\n", sbr->k[2] - sbr->k[0]); return -1; } if (!spectrum->bs_freq_scale) { int dk, k2diff; dk = spectrum->bs_alter_scale + 1; sbr->n_master = ((sbr->k[2] - sbr->k[0] + (dk&2)) >> dk) << 1; if (check_n_master(ac->avctx, sbr->n_master, sbr->spectrum_params.bs_xover_band)) return -1; for (k = 1; k <= sbr->n_master; k++) sbr->f_master[k] = dk; k2diff = sbr->k[2] - sbr->k[0] - sbr->n_master * dk; if (k2diff < 0) { sbr->f_master[1]--; sbr->f_master[2]-= (k2diff < -1); } else if (k2diff) { sbr->f_master[sbr->n_master]++; } sbr->f_master[0] = sbr->k[0]; for (k = 1; k <= sbr->n_master; k++) sbr->f_master[k] += sbr->f_master[k - 1]; } else { int half_bands = 7 - spectrum->bs_freq_scale; int two_regions, num_bands_0; int vdk0_max, vdk1_min; int16_t vk0[49]; if (49 * sbr->k[2] > 110 * sbr->k[0]) { two_regions = 1; sbr->k[1] = 2 * sbr->k[0]; } else { two_regions = 0; sbr->k[1] = sbr->k[2]; } num_bands_0 = lrintf(half_bands * log2f(sbr->k[1] / (float)sbr->k[0])) * 2; if (num_bands_0 <= 0) { av_log(ac->avctx, AV_LOG_ERROR, "Invalid num_bands_0: %d\n", num_bands_0); return -1; } vk0[0] = 0; make_bands(vk0+1, sbr->k[0], sbr->k[1], num_bands_0); qsort(vk0 + 1, num_bands_0, sizeof(vk0[1]), qsort_comparison_function_int16); vdk0_max = vk0[num_bands_0]; vk0[0] = sbr->k[0]; for (k = 1; k <= num_bands_0; k++) { if (vk0[k] <= 0) { av_log(ac->avctx, AV_LOG_ERROR, "Invalid vDk0[%d]: %d\n", k, vk0[k]); return -1; } vk0[k] += vk0[k-1]; } if (two_regions) { int16_t vk1[49]; float invwarp = spectrum->bs_alter_scale ? 0.76923076923076923077f : 1.0f; int num_bands_1 = lrintf(half_bands * invwarp * log2f(sbr->k[2] / (float)sbr->k[1])) * 2; make_bands(vk1+1, sbr->k[1], sbr->k[2], num_bands_1); vdk1_min = array_min_int16(vk1 + 1, num_bands_1); if (vdk1_min < vdk0_max) { int change; qsort(vk1 + 1, num_bands_1, sizeof(vk1[1]), qsort_comparison_function_int16); change = FFMIN(vdk0_max - vk1[1], (vk1[num_bands_1] - vk1[1]) >> 1); vk1[1] += change; vk1[num_bands_1] -= change; } qsort(vk1 + 1, num_bands_1, sizeof(vk1[1]), qsort_comparison_function_int16); vk1[0] = sbr->k[1]; for (k = 1; k <= num_bands_1; k++) { if (vk1[k] <= 0) { av_log(ac->avctx, AV_LOG_ERROR, "Invalid vDk1[%d]: %d\n", k, vk1[k]); return -1; } vk1[k] += vk1[k-1]; } sbr->n_master = num_bands_0 + num_bands_1; if (check_n_master(ac->avctx, sbr->n_master, sbr->spectrum_params.bs_xover_band)) return -1; memcpy(&sbr->f_master[0], vk0, (num_bands_0 + 1) * sizeof(sbr->f_master[0])); memcpy(&sbr->f_master[num_bands_0 + 1], vk1 + 1, num_bands_1 * sizeof(sbr->f_master[0])); } else { sbr->n_master = num_bands_0; if (check_n_master(ac->avctx, sbr->n_master, sbr->spectrum_params.bs_xover_band)) return -1; memcpy(sbr->f_master, vk0, (num_bands_0 + 1) * sizeof(sbr->f_master[0])); } } return 0; }
https://github.com/libav/libav/blob/1c69c79f2b11627cb50f1bc571de97ad8cbfefb7/libavcodec/aacsbr.c/#L394
d2a_code_data_43722
static int tls_construct_cke_rsa(SSL *s, WPACKET *pkt) { #ifndef OPENSSL_NO_RSA unsigned char *encdata = NULL; EVP_PKEY *pkey = NULL; EVP_PKEY_CTX *pctx = NULL; size_t enclen; unsigned char *pms = NULL; size_t pmslen = 0; if (s->session->peer == NULL) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA, ERR_R_INTERNAL_ERROR); return 0; } pkey = X509_get0_pubkey(s->session->peer); if (EVP_PKEY_get0_RSA(pkey) == NULL) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA, ERR_R_INTERNAL_ERROR); return 0; } pmslen = SSL_MAX_MASTER_KEY_LENGTH; pms = OPENSSL_malloc(pmslen); if (pms == NULL) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA, ERR_R_MALLOC_FAILURE); return 0; } pms[0] = s->client_version >> 8; pms[1] = s->client_version & 0xff; if (RAND_bytes(pms + 2, (int)(pmslen - 2)) <= 0) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA, ERR_R_MALLOC_FAILURE); goto err; } if (s->version > SSL3_VERSION && !WPACKET_start_sub_packet_u16(pkt)) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA, ERR_R_INTERNAL_ERROR); goto err; } pctx = EVP_PKEY_CTX_new(pkey, NULL); if (pctx == NULL || EVP_PKEY_encrypt_init(pctx) <= 0 || EVP_PKEY_encrypt(pctx, NULL, &enclen, pms, pmslen) <= 0) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA, ERR_R_EVP_LIB); goto err; } if (!WPACKET_allocate_bytes(pkt, enclen, &encdata) || EVP_PKEY_encrypt(pctx, encdata, &enclen, pms, pmslen) <= 0) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA, SSL_R_BAD_RSA_ENCRYPT); goto err; } EVP_PKEY_CTX_free(pctx); pctx = NULL; if (s->version > SSL3_VERSION && !WPACKET_close(pkt)) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA, ERR_R_INTERNAL_ERROR); goto err; } if (!ssl_log_rsa_client_key_exchange(s, encdata, enclen, pms, pmslen)) { goto err; } s->s3->tmp.pms = pms; s->s3->tmp.pmslen = pmslen; return 1; err: OPENSSL_clear_free(pms, pmslen); EVP_PKEY_CTX_free(pctx); return 0; #else SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA, ERR_R_INTERNAL_ERROR); return 0; #endif }
https://github.com/openssl/openssl/blob/c22365b399f62af4a81e9202500cd2cbd9c23a9d/ssl/statem/statem_clnt.c/#L2981
d2a_code_data_43723
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_43724
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/bd01733fdd9a5a0acdc72cf5c6601d37e8ddd801/crypto/bn/bn_lib.c/#L232
d2a_code_data_43725
static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track) { MOVStts *ctts_entries; uint32_t entries = 0; uint32_t atom_size; int i; ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); ctts_entries[0].count = 1; ctts_entries[0].duration = track->cluster[0].cts; for (i = 1; i < track->entry; i++) { if (track->cluster[i].cts == ctts_entries[entries].duration) { ctts_entries[entries].count++; } else { entries++; ctts_entries[entries].duration = track->cluster[i].cts; ctts_entries[entries].count = 1; } } entries++; atom_size = 16 + (entries * 8); avio_wb32(pb, atom_size); ffio_wfourcc(pb, "ctts"); avio_wb32(pb, 0); avio_wb32(pb, entries); for (i = 0; i < entries; i++) { avio_wb32(pb, ctts_entries[i].count); avio_wb32(pb, ctts_entries[i].duration); } av_free(ctts_entries); return atom_size; }
https://github.com/libav/libav/blob/b89e8759e053792704741d08cbc41c9ac3c7ed63/libavformat/movenc.c/#L1104
d2a_code_data_43726
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_43727
int ssl3_new(SSL *s) { SSL3_STATE *s3; if ((s3 = OPENSSL_zalloc(sizeof(*s3))) == NULL) goto err; s->s3 = s3; #ifndef OPENSSL_NO_SRP if (!SSL_SRP_CTX_init(s)) goto err; #endif s->method->ssl_clear(s); return (1); err: return (0); }
https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/ssl/s3_lib.c/#L3362
d2a_code_data_43728
static const char *skip_space(const char *s) { while (ossl_isspace(*s)) s++; return s; }
https://github.com/openssl/openssl/blob/4460ad90af0338abe31286f29b36baf2e41abf19/crypto/property/property_parse.c/#L52
d2a_code_data_43729
ERR_STATE *ERR_get_state(void) { ERR_STATE *state = NULL; if (!RUN_ONCE(&err_init, err_do_init)) return NULL; if (!OPENSSL_init_crypto(0, NULL)) return NULL; state = CRYPTO_THREAD_get_local(&err_thread_local); if (state == NULL) { state = OPENSSL_zalloc(sizeof(*state)); if (state == NULL) return NULL; if (!ossl_init_thread_start(OPENSSL_INIT_THREAD_ERR_STATE) || !CRYPTO_THREAD_set_local(&err_thread_local, state)) { ERR_STATE_free(state); return NULL; } OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL); } return state; }
https://github.com/openssl/openssl/blob/066904cceef26bbb5c63c237d20829fb0db82ddc/crypto/err/err.c/#L687
d2a_code_data_43730
static int sdp_read_header(AVFormatContext *s, AVFormatParameters *ap) { RTSPState *rt = s->priv_data; RTSPStream *rtsp_st; int size, i, err; char *content; char url[1024]; if (!ff_network_init()) return AVERROR(EIO); content = av_malloc(SDP_MAX_SIZE); size = get_buffer(s->pb, content, SDP_MAX_SIZE - 1); if (size <= 0) { av_free(content); return AVERROR_INVALIDDATA; } content[size] ='\0'; ff_sdp_parse(s, content); av_free(content); for (i = 0; i < rt->nb_rtsp_streams; i++) { char namebuf[50]; rtsp_st = rt->rtsp_streams[i]; getnameinfo((struct sockaddr*) &rtsp_st->sdp_ip, sizeof(rtsp_st->sdp_ip), namebuf, sizeof(namebuf), NULL, 0, NI_NUMERICHOST); ff_url_join(url, sizeof(url), "rtp", NULL, namebuf, rtsp_st->sdp_port, "?localport=%d&ttl=%d", rtsp_st->sdp_port, rtsp_st->sdp_ttl); if (url_open(&rtsp_st->rtp_handle, url, URL_RDWR) < 0) { err = AVERROR_INVALIDDATA; goto fail; } if ((err = rtsp_open_transport_ctx(s, rtsp_st))) goto fail; } return 0; fail: ff_rtsp_close_streams(s); ff_network_close(); return err; }
https://github.com/libav/libav/blob/3cf8db9447a6c77550033acea84e30be2af7ad2c/libavformat/rtsp.c/#L1673
d2a_code_data_43731
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/c784a838e0947fcca761ee62def7d077dc06d37f/crypto/bn/bn_sqr.c/#L120
d2a_code_data_43732
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/571286b0a463b02ef2f9040a7e5d602635854832/crypto/bn/bn_lib.c/#L232
d2a_code_data_43733
static int tls_construct_cke_rsa(SSL *s, WPACKET *pkt) { #ifndef OPENSSL_NO_RSA unsigned char *encdata = NULL; EVP_PKEY *pkey = NULL; EVP_PKEY_CTX *pctx = NULL; size_t enclen; unsigned char *pms = NULL; size_t pmslen = 0; if (s->session->peer == NULL) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA, ERR_R_INTERNAL_ERROR); return 0; } pkey = X509_get0_pubkey(s->session->peer); if (EVP_PKEY_get0_RSA(pkey) == NULL) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA, ERR_R_INTERNAL_ERROR); return 0; } pmslen = SSL_MAX_MASTER_KEY_LENGTH; pms = OPENSSL_malloc(pmslen); if (pms == NULL) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA, ERR_R_MALLOC_FAILURE); return 0; } pms[0] = s->client_version >> 8; pms[1] = s->client_version & 0xff; if (ssl_randbytes(s, pms + 2, (int)(pmslen - 2)) <= 0) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA, ERR_R_MALLOC_FAILURE); goto err; } if (s->version > SSL3_VERSION && !WPACKET_start_sub_packet_u16(pkt)) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA, ERR_R_INTERNAL_ERROR); goto err; } pctx = EVP_PKEY_CTX_new(pkey, NULL); if (pctx == NULL || EVP_PKEY_encrypt_init(pctx) <= 0 || EVP_PKEY_encrypt(pctx, NULL, &enclen, pms, pmslen) <= 0) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA, ERR_R_EVP_LIB); goto err; } if (!WPACKET_allocate_bytes(pkt, enclen, &encdata) || EVP_PKEY_encrypt(pctx, encdata, &enclen, pms, pmslen) <= 0) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA, SSL_R_BAD_RSA_ENCRYPT); goto err; } EVP_PKEY_CTX_free(pctx); pctx = NULL; if (s->version > SSL3_VERSION && !WPACKET_close(pkt)) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA, ERR_R_INTERNAL_ERROR); goto err; } if (!ssl_log_rsa_client_key_exchange(s, encdata, enclen, pms, pmslen)) { goto err; } s->s3->tmp.pms = pms; s->s3->tmp.pmslen = pmslen; return 1; err: OPENSSL_clear_free(pms, pmslen); EVP_PKEY_CTX_free(pctx); return 0; #else SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA, ERR_R_INTERNAL_ERROR); return 0; #endif }
https://github.com/openssl/openssl/blob/e43e6b1951de931ca500c6964496e76651332f5e/ssl/statem/statem_clnt.c/#L2911
d2a_code_data_43734
PUT_HEVC_QPEL_HV(3, 1)
https://github.com/libav/libav/blob/688417399c69aadd4c287bdb0dec82ef8799011c/libavcodec/hevcdsp_template.c/#L907
d2a_code_data_43735
tmsize_t TIFFReadEncodedStrip(TIFF* tif, uint32 strip, void* buf, tmsize_t size) { static const char module[] = "TIFFReadEncodedStrip"; TIFFDirectory *td = &tif->tif_dir; uint32 rowsperstrip; uint32 stripsperplane; uint32 stripinplane; uint16 plane; uint32 rows; tmsize_t stripsize; if (!TIFFCheckRead(tif,0)) return((tmsize_t)(-1)); if (strip>=td->td_nstrips) { TIFFErrorExt(tif->tif_clientdata,module, "%lu: Strip out of range, max %lu",(unsigned long)strip, (unsigned long)td->td_nstrips); return((tmsize_t)(-1)); } rowsperstrip=td->td_rowsperstrip; if (rowsperstrip>td->td_imagelength) rowsperstrip=td->td_imagelength; stripsperplane=((td->td_imagelength+rowsperstrip-1)/rowsperstrip); stripinplane=(strip%stripsperplane); plane=(strip/stripsperplane); rows=td->td_imagelength-stripinplane*rowsperstrip; if (rows>rowsperstrip) rows=rowsperstrip; stripsize=TIFFVStripSize(tif,rows); if (stripsize==0) return((tmsize_t)(-1)); if ((size!=(tmsize_t)(-1))&&(size<stripsize)) stripsize=size; if (!TIFFFillStrip(tif,strip)) return((tmsize_t)(-1)); if ((*tif->tif_decodestrip)(tif,buf,stripsize,plane)<=0) return((tmsize_t)(-1)); (*tif->tif_postdecode)(tif,buf,stripsize); return(stripsize); }
https://gitlab.com/libtiff/libtiff/blob/771a4ea0a98c7a218c9f3add9a05e08d29625758/libtiff/tif_read.c/#L151
d2a_code_data_43736
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_43737
static int add_cert_dir(BY_DIR *ctx, const char *dir, int type) { int j; size_t len; const char *s, *ss, *p; if (dir == NULL || !*dir) { X509err(X509_F_ADD_CERT_DIR, X509_R_INVALID_DIRECTORY); return 0; } s = dir; p = s; do { if ((*p == LIST_SEPARATOR_CHAR) || (*p == '\0')) { BY_DIR_ENTRY *ent; ss = s; s = p + 1; len = p - ss; if (len == 0) continue; for (j = 0; j < sk_BY_DIR_ENTRY_num(ctx->dirs); j++) { ent = sk_BY_DIR_ENTRY_value(ctx->dirs, j); if (strlen(ent->dir) == len && strncmp(ent->dir, ss, len) == 0) break; } if (j < sk_BY_DIR_ENTRY_num(ctx->dirs)) continue; if (ctx->dirs == NULL) { ctx->dirs = sk_BY_DIR_ENTRY_new_null(); if (!ctx->dirs) { X509err(X509_F_ADD_CERT_DIR, ERR_R_MALLOC_FAILURE); return 0; } } ent = OPENSSL_malloc(sizeof(*ent)); if (ent == NULL) return 0; ent->dir_type = type; ent->hashes = sk_BY_DIR_HASH_new(by_dir_hash_cmp); ent->dir = OPENSSL_strndup(ss, len); if (ent->dir == NULL || ent->hashes == NULL) { by_dir_entry_free(ent); return 0; } if (!sk_BY_DIR_ENTRY_push(ctx->dirs, ent)) { by_dir_entry_free(ent); return 0; } } } while (*p++ != '\0'); return 1; }
https://github.com/openssl/openssl/blob/53a73768a7f17dba012615ea79960d724b310856/crypto/x509/by_dir.c/#L197
d2a_code_data_43738
static int ebml_read_element_level_up (MatroskaDemuxContext *matroska) { ByteIOContext *pb = matroska->ctx->pb; offset_t pos = url_ftell(pb); int num = 0; while (matroska->num_levels > 0) { MatroskaLevel *level = &matroska->levels[matroska->num_levels - 1]; if (pos >= level->start + level->length) { matroska->num_levels--; num++; } else { break; } } return num; }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavformat/matroskadec.c/#L183
d2a_code_data_43739
void TIFFSwabLong8(uint64* lp) { register unsigned char* cp = (unsigned char*) lp; unsigned char t; assert(sizeof(uint64)==8); t = cp[7]; cp[7] = cp[0]; cp[0] = t; t = cp[6]; cp[6] = cp[1]; cp[1] = t; t = cp[5]; cp[5] = cp[2]; cp[2] = t; t = cp[4]; cp[4] = cp[3]; cp[3] = t; }
https://gitlab.com/libtiff/libtiff/blob/771a4ea0a98c7a218c9f3add9a05e08d29625758/libtiff/tif_swab.c/#L64
d2a_code_data_43740
static inline int get_context(PlaneContext *p, int16_t *src, int16_t *last, int16_t *last2) { const int LT = last[-1]; const int T = last[0]; const int RT = last[1]; const int L = src[-1]; if (p->quant_table[3][127]) { const int TT = last2[0]; const int LL = src[-2]; return p->quant_table[0][(L - LT) & 0xFF] + p->quant_table[1][(LT - T) & 0xFF] + p->quant_table[2][(T - RT) & 0xFF] + p->quant_table[3][(LL - L) & 0xFF] + p->quant_table[4][(TT - T) & 0xFF]; } else return p->quant_table[0][(L - LT) & 0xFF] + p->quant_table[1][(LT - T) & 0xFF] + p->quant_table[2][(T - RT) & 0xFF]; }
https://github.com/libav/libav/blob/2cef68da69a17ed09c313ba3c3850ec1cc0a80e0/libavcodec/ffv1.h/#L143
d2a_code_data_43741
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_43742
int tls13_enc(SSL *s, SSL3_RECORD *recs, size_t n_recs, int sending) { EVP_CIPHER_CTX *ctx; unsigned char iv[EVP_MAX_IV_LENGTH]; size_t ivlen, taglen, offset, loop; unsigned char *staticiv; unsigned char *seq; int lenu, lenf; SSL3_RECORD *rec = &recs[0]; uint32_t alg_enc; if (n_recs != 1) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS13_ENC, ERR_R_INTERNAL_ERROR); return -1; } if (sending) { ctx = s->enc_write_ctx; staticiv = s->write_iv; seq = RECORD_LAYER_get_write_sequence(&s->rlayer); } else { ctx = s->enc_read_ctx; staticiv = s->read_iv; seq = RECORD_LAYER_get_read_sequence(&s->rlayer); } if (ctx == NULL) { memmove(rec->data, rec->input, rec->length); rec->input = rec->data; return 1; } ivlen = EVP_CIPHER_CTX_iv_length(ctx); if (s->early_data_state == SSL_EARLY_DATA_WRITING || s->early_data_state == SSL_EARLY_DATA_WRITE_RETRY) { if (s->session != NULL && s->session->ext.max_early_data > 0) { alg_enc = s->session->cipher->algorithm_enc; } else { if (!ossl_assert(s->psksession != NULL && s->psksession->ext.max_early_data > 0)) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS13_ENC, ERR_R_INTERNAL_ERROR); return -1; } alg_enc = s->psksession->cipher->algorithm_enc; } } else { if (!ossl_assert(s->s3->tmp.new_cipher != NULL)) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS13_ENC, ERR_R_INTERNAL_ERROR); return -1; } alg_enc = s->s3->tmp.new_cipher->algorithm_enc; } if (alg_enc & SSL_AESCCM) { if (alg_enc & (SSL_AES128CCM8 | SSL_AES256CCM8)) taglen = EVP_CCM8_TLS_TAG_LEN; else taglen = EVP_CCM_TLS_TAG_LEN; if (sending && EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_SET_TAG, taglen, NULL) <= 0) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS13_ENC, ERR_R_INTERNAL_ERROR); return -1; } } else if (alg_enc & SSL_AESGCM) { taglen = EVP_GCM_TLS_TAG_LEN; } else if (alg_enc & SSL_CHACHA20) { taglen = EVP_CHACHAPOLY_TLS_TAG_LEN; } else { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS13_ENC, ERR_R_INTERNAL_ERROR); return -1; } if (!sending) { if (rec->length < taglen + 1) return 0; rec->length -= taglen; } if (ivlen < SEQ_NUM_SIZE) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS13_ENC, ERR_R_INTERNAL_ERROR); return -1; } offset = ivlen - SEQ_NUM_SIZE; memcpy(iv, staticiv, offset); for (loop = 0; loop < SEQ_NUM_SIZE; loop++) iv[offset + loop] = staticiv[offset + loop] ^ seq[loop]; for (loop = SEQ_NUM_SIZE; loop > 0; loop--) { ++seq[loop - 1]; if (seq[loop - 1] != 0) break; } if (loop == 0) { return -1; } if (EVP_CipherInit_ex(ctx, NULL, NULL, NULL, iv, sending) <= 0 || (!sending && EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_SET_TAG, taglen, rec->data + rec->length) <= 0) || EVP_CipherUpdate(ctx, rec->data, &lenu, rec->input, (unsigned int)rec->length) <= 0 || EVP_CipherFinal_ex(ctx, rec->data + lenu, &lenf) <= 0 || (size_t)(lenu + lenf) != rec->length) { return -1; } if (sending) { if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_GET_TAG, taglen, rec->data + rec->length) <= 0) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS13_ENC, ERR_R_INTERNAL_ERROR); return -1; } rec->length += taglen; } return 1; }
https://github.com/openssl/openssl/blob/a8ea8018fa187e22fb4989450b550589e20f62c2/ssl/record/ssl3_record_tls13.c/#L116
d2a_code_data_43743
static int dca_subsubframe(DCAContext * s) { int k, l; int subsubframe = s->current_subsubframe; const float *quant_step_table; float subband_samples[DCA_PRIM_CHANNELS_MAX][DCA_SUBBANDS][8]; if (s->bit_rate == 0x1f) quant_step_table = lossless_quant_d; else quant_step_table = lossy_quant_d; for (k = 0; k < s->prim_channels; k++) { for (l = 0; l < s->vq_start_subband[k]; l++) { int m; int abits = s->bitalloc[k][l]; float quant_step_size = quant_step_table[abits]; float rscale; int sel = s->quant_index_huffman[k][abits]; if(!abits){ memset(subband_samples[k][l], 0, 8 * sizeof(subband_samples[0][0][0])); }else if(abits >= 11 || !dca_smpl_bitalloc[abits].vlc[sel].table){ if(abits <= 7){ int block_code1, block_code2, size, levels; int block[8]; size = abits_sizes[abits-1]; levels = abits_levels[abits-1]; block_code1 = get_bits(&s->gb, size); decode_blockcode(block_code1, levels, block); block_code2 = get_bits(&s->gb, size); decode_blockcode(block_code2, levels, &block[4]); for (m = 0; m < 8; m++) subband_samples[k][l][m] = block[m]; }else{ for (m = 0; m < 8; m++) subband_samples[k][l][m] = get_sbits(&s->gb, abits - 3); } }else{ for (m = 0; m < 8; m++) subband_samples[k][l][m] = get_bitalloc(&s->gb, &dca_smpl_bitalloc[abits], sel); } if (s->transition_mode[k][l] && subsubframe >= s->transition_mode[k][l]) rscale = quant_step_size * s->scale_factor[k][l][1]; else rscale = quant_step_size * s->scale_factor[k][l][0]; rscale *= s->scalefactor_adj[k][sel]; for (m = 0; m < 8; m++) subband_samples[k][l][m] *= rscale; if (s->prediction_mode[k][l]) { int n; for (m = 0; m < 8; m++) { for (n = 1; n <= 4; n++) if (m >= n) subband_samples[k][l][m] += (adpcm_vb[s->prediction_vq[k][l]][n - 1] * subband_samples[k][l][m - n] / 8192); else if (s->predictor_history) subband_samples[k][l][m] += (adpcm_vb[s->prediction_vq[k][l]][n - 1] * s->subband_samples_hist[k][l][m - n + 4] / 8192); } } } for (l = s->vq_start_subband[k]; l < s->subband_activity[k]; l++) { int m; if (!s->debug_flag & 0x01) { av_log(s->avctx, AV_LOG_DEBUG, "Stream with high frequencies VQ coding\n"); s->debug_flag |= 0x01; } for (m = 0; m < 8; m++) { subband_samples[k][l][m] = high_freq_vq[s->high_freq_vq[k][l]][subsubframe * 8 + m] * (float) s->scale_factor[k][l][0] / 16.0; } } } if (s->aspf || subsubframe == s->subsubframes - 1) { if (0xFFFF == get_bits(&s->gb, 16)) { #ifdef TRACE av_log(s->avctx, AV_LOG_DEBUG, "Got subframe DSYNC\n"); #endif } else { av_log(s->avctx, AV_LOG_ERROR, "Didn't get subframe DSYNC\n"); } } for (k = 0; k < s->prim_channels; k++) for (l = 0; l < s->vq_start_subband[k]; l++) memcpy(s->subband_samples_hist[k][l], &subband_samples[k][l][4], 4 * sizeof(subband_samples[0][0][0])); for (k = 0; k < s->prim_channels; k++) { qmf_32_subbands(s, k, subband_samples[k], &s->samples[256 * k], 2.0 / 3 , 0 ); } if (s->prim_channels > dca_channels[s->output & DCA_CHANNEL_MASK]) { dca_downmix(s->samples, s->amode, s->downmix_coef); } if (s->output & DCA_LFE) { int lfe_samples = 2 * s->lfe * s->subsubframes; int i_channels = dca_channels[s->output & DCA_CHANNEL_MASK]; lfe_interpolation_fir(s->lfe, 2 * s->lfe, s->lfe_data + lfe_samples + 2 * s->lfe * subsubframe, &s->samples[256 * i_channels], 256.0, 0 ); } return 0; }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/dca.c/#L1006
d2a_code_data_43744
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_43745
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/#L1043
d2a_code_data_43746
static unsigned int BN_STACK_pop(BN_STACK *st) { return st->indexes[--(st->depth)]; }
https://github.com/openssl/openssl/blob/d7c42d71ba407a4b3c26ed58263ae225976bbac3/crypto/bn/bn_ctx.c/#L273
d2a_code_data_43747
static int flv_read_packet(AVFormatContext *s, AVPacket *pkt) { int ret, i, type, size, pts, flags, is_audio, next, pos; AVStream *st = NULL; for(;;){ pos = url_ftell(s->pb); url_fskip(s->pb, 4); type = get_byte(s->pb); size = get_be24(s->pb); pts = get_be24(s->pb); pts |= get_byte(s->pb) << 24; if (url_feof(s->pb)) return AVERROR(EIO); url_fskip(s->pb, 3); flags = 0; if(size == 0) continue; next= size + url_ftell(s->pb); if (type == FLV_TAG_TYPE_AUDIO) { is_audio=1; flags = get_byte(s->pb); } else if (type == FLV_TAG_TYPE_VIDEO) { is_audio=0; flags = get_byte(s->pb); } else { if (type == FLV_TAG_TYPE_META && size > 13+1+4) flv_read_metabody(s, next); else av_log(s, AV_LOG_ERROR, "skipping flv packet: type %d, size %d, flags %d\n", type, size, flags); url_fseek(s->pb, next, SEEK_SET); continue; } for(i=0;i<s->nb_streams;i++) { st = s->streams[i]; if (st->id == is_audio) break; } if(i == s->nb_streams){ av_log(NULL, AV_LOG_ERROR, "invalid stream\n"); st= create_stream(s, is_audio); } if( (st->discard >= AVDISCARD_NONKEY && !((flags & FLV_VIDEO_FRAMETYPE_MASK) == FLV_FRAME_KEY || is_audio)) ||(st->discard >= AVDISCARD_BIDIR && ((flags & FLV_VIDEO_FRAMETYPE_MASK) == FLV_FRAME_DISP_INTER && !is_audio)) || st->discard >= AVDISCARD_ALL ){ url_fseek(s->pb, next, SEEK_SET); continue; } if ((flags & FLV_VIDEO_FRAMETYPE_MASK) == FLV_FRAME_KEY) av_add_index_entry(st, pos, pts, size, 0, AVINDEX_KEYFRAME); break; } if(!url_is_streamed(s->pb) && s->duration==AV_NOPTS_VALUE){ int size; const int pos= url_ftell(s->pb); const int fsize= url_fsize(s->pb); url_fseek(s->pb, fsize-4, SEEK_SET); size= get_be32(s->pb); url_fseek(s->pb, fsize-3-size, SEEK_SET); if(size == get_be24(s->pb) + 11){ s->duration= get_be24(s->pb) * (int64_t)AV_TIME_BASE / 1000; } url_fseek(s->pb, pos, SEEK_SET); } if(is_audio){ if(!st->codec->sample_rate || !st->codec->bits_per_sample || (!st->codec->codec_id && !st->codec->codec_tag)) { st->codec->channels = (flags & FLV_AUDIO_CHANNEL_MASK) == FLV_STEREO ? 2 : 1; if((flags & FLV_AUDIO_CODECID_MASK) == FLV_CODECID_NELLYMOSER_8HZ_MONO) st->codec->sample_rate= 8000; else st->codec->sample_rate = (44100 << ((flags & FLV_AUDIO_SAMPLERATE_MASK) >> FLV_AUDIO_SAMPLERATE_OFFSET) >> 3); st->codec->bits_per_sample = (flags & FLV_AUDIO_SAMPLESIZE_MASK) ? 16 : 8; flv_set_audio_codec(s, st, flags & FLV_AUDIO_CODECID_MASK); } }else{ size -= flv_set_video_codec(s, st, flags & FLV_VIDEO_CODECID_MASK); } ret= av_get_packet(s->pb, pkt, size - 1); if (ret <= 0) { return AVERROR(EIO); } pkt->size = ret; pkt->pts = pts; pkt->stream_index = st->index; if (is_audio || ((flags & FLV_VIDEO_FRAMETYPE_MASK) == FLV_FRAME_KEY)) pkt->flags |= PKT_FLAG_KEY; return ret; }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavformat/flvdec.c/#L354
d2a_code_data_43748
int dct_quantize_trellis_c(MpegEncContext *s, DCTELEM *block, int n, int qscale, int *overflow){ const int *qmat; const uint8_t *scantable= s->intra_scantable.scantable; const uint8_t *perm_scantable= s->intra_scantable.permutated; int max=0; unsigned int threshold1, threshold2; int bias=0; int run_tab[65]; int level_tab[65]; int score_tab[65]; int survivor[65]; int survivor_count; int last_run=0; int last_level=0; int last_score= 0; int last_i; int coeff[2][64]; int coeff_count[64]; int qmul, qadd, start_i, last_non_zero, i, dc; const int esc_length= s->ac_esc_length; uint8_t * length; uint8_t * last_length; const int lambda= s->lambda2 >> (FF_LAMBDA_SHIFT - 6); s->dsp.fdct (block); if(s->dct_error_sum) s->denoise_dct(s, block); qmul= qscale*16; qadd= ((qscale-1)|1)*8; if (s->mb_intra) { int q; if (!s->h263_aic) { if (n < 4) q = s->y_dc_scale; else q = s->c_dc_scale; q = q << 3; } else{ q = 1 << 3; qadd=0; } block[0] = (block[0] + (q >> 1)) / q; start_i = 1; last_non_zero = 0; qmat = s->q_intra_matrix[qscale]; if(s->mpeg_quant || s->out_format == FMT_MPEG1) bias= 1<<(QMAT_SHIFT-1); length = s->intra_ac_vlc_length; last_length= s->intra_ac_vlc_last_length; } else { start_i = 0; last_non_zero = -1; qmat = s->q_inter_matrix[qscale]; length = s->inter_ac_vlc_length; last_length= s->inter_ac_vlc_last_length; } last_i= start_i; threshold1= (1<<QMAT_SHIFT) - bias - 1; threshold2= (threshold1<<1); for(i=63; i>=start_i; i--) { const int j = scantable[i]; int level = block[j] * qmat[j]; if(((unsigned)(level+threshold1))>threshold2){ last_non_zero = i; break; } } for(i=start_i; i<=last_non_zero; i++) { const int j = scantable[i]; int level = block[j] * qmat[j]; if(((unsigned)(level+threshold1))>threshold2){ if(level>0){ level= (bias + level)>>QMAT_SHIFT; coeff[0][i]= level; coeff[1][i]= level-1; }else{ level= (bias - level)>>QMAT_SHIFT; coeff[0][i]= -level; coeff[1][i]= -level+1; } coeff_count[i]= FFMIN(level, 2); assert(coeff_count[i]); max |=level; }else{ coeff[0][i]= (level>>31)|1; coeff_count[i]= 1; } } *overflow= s->max_qcoeff < max; if(last_non_zero < start_i){ memset(block + start_i, 0, (64-start_i)*sizeof(DCTELEM)); return last_non_zero; } score_tab[start_i]= 0; survivor[0]= start_i; survivor_count= 1; for(i=start_i; i<=last_non_zero; i++){ int level_index, j, zero_distoration; int dct_coeff= FFABS(block[ scantable[i] ]); int best_score=256*256*256*120; if ( s->dsp.fdct == fdct_ifast #ifndef FAAN_POSTSCALE || s->dsp.fdct == ff_faandct #endif ) dct_coeff= (dct_coeff*inv_aanscales[ scantable[i] ]) >> 12; zero_distoration= dct_coeff*dct_coeff; for(level_index=0; level_index < coeff_count[i]; level_index++){ int distoration; int level= coeff[level_index][i]; const int alevel= FFABS(level); int unquant_coeff; assert(level); if(s->out_format == FMT_H263){ unquant_coeff= alevel*qmul + qadd; }else{ j= s->dsp.idct_permutation[ scantable[i] ]; if(s->mb_intra){ unquant_coeff = (int)( alevel * qscale * s->intra_matrix[j]) >> 3; unquant_coeff = (unquant_coeff - 1) | 1; }else{ unquant_coeff = ((( alevel << 1) + 1) * qscale * ((int) s->inter_matrix[j])) >> 4; unquant_coeff = (unquant_coeff - 1) | 1; } unquant_coeff<<= 3; } distoration= (unquant_coeff - dct_coeff) * (unquant_coeff - dct_coeff) - zero_distoration; level+=64; if((level&(~127)) == 0){ for(j=survivor_count-1; j>=0; j--){ int run= i - survivor[j]; int score= distoration + length[UNI_AC_ENC_INDEX(run, level)]*lambda; score += score_tab[i-run]; if(score < best_score){ best_score= score; run_tab[i+1]= run; level_tab[i+1]= level-64; } } if(s->out_format == FMT_H263){ for(j=survivor_count-1; j>=0; j--){ int run= i - survivor[j]; int score= distoration + last_length[UNI_AC_ENC_INDEX(run, level)]*lambda; score += score_tab[i-run]; if(score < last_score){ last_score= score; last_run= run; last_level= level-64; last_i= i+1; } } } }else{ distoration += esc_length*lambda; for(j=survivor_count-1; j>=0; j--){ int run= i - survivor[j]; int score= distoration + score_tab[i-run]; if(score < best_score){ best_score= score; run_tab[i+1]= run; level_tab[i+1]= level-64; } } if(s->out_format == FMT_H263){ for(j=survivor_count-1; j>=0; j--){ int run= i - survivor[j]; int score= distoration + score_tab[i-run]; if(score < last_score){ last_score= score; last_run= run; last_level= level-64; last_i= i+1; } } } } } score_tab[i+1]= best_score; if(last_non_zero <= 27){ for(; survivor_count; survivor_count--){ if(score_tab[ survivor[survivor_count-1] ] <= best_score) break; } }else{ for(; survivor_count; survivor_count--){ if(score_tab[ survivor[survivor_count-1] ] <= best_score + lambda) break; } } survivor[ survivor_count++ ]= i+1; } if(s->out_format != FMT_H263){ last_score= 256*256*256*120; for(i= survivor[0]; i<=last_non_zero + 1; i++){ int score= score_tab[i]; if(i) score += lambda*2; if(score < last_score){ last_score= score; last_i= i; last_level= level_tab[i]; last_run= run_tab[i]; } } } s->coded_score[n] = last_score; dc= FFABS(block[0]); last_non_zero= last_i - 1; memset(block + start_i, 0, (64-start_i)*sizeof(DCTELEM)); if(last_non_zero < start_i) return last_non_zero; if(last_non_zero == 0 && start_i == 0){ int best_level= 0; int best_score= dc * dc; for(i=0; i<coeff_count[0]; i++){ int level= coeff[i][0]; int alevel= FFABS(level); int unquant_coeff, score, distortion; if(s->out_format == FMT_H263){ unquant_coeff= (alevel*qmul + qadd)>>3; }else{ unquant_coeff = ((( alevel << 1) + 1) * qscale * ((int) s->inter_matrix[0])) >> 4; unquant_coeff = (unquant_coeff - 1) | 1; } unquant_coeff = (unquant_coeff + 4) >> 3; unquant_coeff<<= 3 + 3; distortion= (unquant_coeff - dc) * (unquant_coeff - dc); level+=64; if((level&(~127)) == 0) score= distortion + last_length[UNI_AC_ENC_INDEX(0, level)]*lambda; else score= distortion + esc_length*lambda; if(score < best_score){ best_score= score; best_level= level - 64; } } block[0]= best_level; s->coded_score[n] = best_score - dc*dc; if(best_level == 0) return -1; else return last_non_zero; } i= last_i; assert(last_level); block[ perm_scantable[last_non_zero] ]= last_level; i -= last_run + 1; for(; i>start_i; i -= run_tab[i] + 1){ block[ perm_scantable[i-1] ]= level_tab[i]; } return last_non_zero; }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/mpegvideo_enc.c/#L3254
d2a_code_data_43749
static void h264_luma_dc_dequant_idct_c(DCTELEM *block, int qp, int qmul){ #define stride 16 int i; int temp[16]; static const int x_offset[4]={0, 1*stride, 4* stride, 5*stride}; static const int y_offset[4]={0, 2*stride, 8* stride, 10*stride}; for(i=0; i<4; i++){ const int offset= y_offset[i]; const int z0= block[offset+stride*0] + block[offset+stride*4]; const int z1= block[offset+stride*0] - block[offset+stride*4]; const int z2= block[offset+stride*1] - block[offset+stride*5]; const int z3= block[offset+stride*1] + block[offset+stride*5]; temp[4*i+0]= z0+z3; temp[4*i+1]= z1+z2; temp[4*i+2]= z1-z2; temp[4*i+3]= z0-z3; } for(i=0; i<4; i++){ const int offset= x_offset[i]; const int z0= temp[4*0+i] + temp[4*2+i]; const int z1= temp[4*0+i] - temp[4*2+i]; const int z2= temp[4*1+i] - temp[4*3+i]; const int z3= temp[4*1+i] + temp[4*3+i]; block[stride*0 +offset]= ((((z0 + z3)*qmul + 128 ) >> 8)); block[stride*2 +offset]= ((((z1 + z2)*qmul + 128 ) >> 8)); block[stride*8 +offset]= ((((z1 - z2)*qmul + 128 ) >> 8)); block[stride*10+offset]= ((((z0 - z3)*qmul + 128 ) >> 8)); } }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/h264.c/#L1490
d2a_code_data_43750
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_43751
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/8f58ede09572dcc6a7e6c01280dd348240199568/crypto/bn/bn_lib.c/#L232
d2a_code_data_43752
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/c0f9e23c6b8d1076796987d5a84557d410682d85/ssl/packet.c/#L25
d2a_code_data_43753
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