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d2a_code_data_45654
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; size_t reflen; reflen = (len > pkt->buf->length) ? len : pkt->buf->length; if (reflen > SIZE_MAX / 2) { newlen = SIZE_MAX; } else { newlen = reflen * 2; if (newlen < DEFAULT_BUF_SIZE) newlen = DEFAULT_BUF_SIZE; } if (BUF_MEM_grow(pkt->buf, newlen) == 0) return 0; } *allocbytes = (unsigned char *)pkt->buf->data + pkt->curr; pkt->written += len; pkt->curr += len; return 1; }
https://github.com/openssl/openssl/blob/a6972f346248fbc37e42056bb943fae0896a2967/ssl/packet.c/#L25
d2a_code_data_45655
int pem_check_suffix(const char *pem_str, const char *suffix) { int pem_len = strlen(pem_str); int suffix_len = strlen(suffix); const char *p; if (suffix_len + 1 >= pem_len) return 0; p = pem_str + pem_len - suffix_len; if (strcmp(p, suffix)) return 0; p--; if (*p != ' ') return 0; return p - pem_str; }
https://github.com/openssl/openssl/blob/fa3ed5b2c2b508a6444124fdf12ecbb4898007ed/crypto/pem/pem_lib.c/#L996
d2a_code_data_45656
YUV2RGBFUNC(yuva2argb_c, uint32_t, 1) LOADCHROMA(0); PUTRGBA(dst_1, py_1, pa_1, 0, 0); PUTRGBA(dst_2, py_2, pa_2, 0, 0); LOADCHROMA(1); PUTRGBA(dst_2, py_2, pa_2, 1, 0); PUTRGBA(dst_1, py_1, pa_1, 1, 0); LOADCHROMA(2); PUTRGBA(dst_1, py_1, pa_1, 2, 0); PUTRGBA(dst_2, py_2, pa_2, 2, 0); LOADCHROMA(3); PUTRGBA(dst_2, py_2, pa_2, 3, 0); PUTRGBA(dst_1, py_1, pa_1, 3, 0); pa_1 += 8; \ pa_2 += 8; \ ENDYUV2RGBLINE(8) LOADCHROMA(0); PUTRGBA(dst_1, py_1, pa_1, 0, 0); PUTRGBA(dst_2, py_2, pa_2, 0, 0); LOADCHROMA(1); PUTRGBA(dst_2, py_2, pa_2, 1, 0); PUTRGBA(dst_1, py_1, pa_1, 1, 0); ENDYUV2RGBFUNC()
https://github.com/libav/libav/blob/0ad522afb3a3b3d22402ecb82dd4609f7655031b/libswscale/yuv2rgb.c/#L294
d2a_code_data_45657
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_45658
int tls_construct_client_verify(SSL *s) { unsigned char *p; EVP_PKEY *pkey; const EVP_MD *md = s->s3->tmp.md[s->cert->key - s->cert->pkeys]; EVP_MD_CTX *mctx; unsigned u = 0; unsigned long n = 0; long hdatalen = 0; void *hdata; mctx = EVP_MD_CTX_new(); if (mctx == NULL) { SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_VERIFY, ERR_R_MALLOC_FAILURE); goto err; } p = ssl_handshake_start(s); pkey = s->cert->key->privatekey; hdatalen = BIO_get_mem_data(s->s3->handshake_buffer, &hdata); if (hdatalen <= 0) { SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_VERIFY, ERR_R_INTERNAL_ERROR); goto err; } if (SSL_USE_SIGALGS(s)) { if (!tls12_get_sigandhash(p, pkey, md)) { SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_VERIFY, ERR_R_INTERNAL_ERROR); goto err; } p += 2; n = 2; } #ifdef SSL_DEBUG fprintf(stderr, "Using client alg %s\n", EVP_MD_name(md)); #endif if (!EVP_SignInit_ex(mctx, md, NULL) || !EVP_SignUpdate(mctx, hdata, hdatalen) || (s->version == SSL3_VERSION && !EVP_MD_CTX_ctrl(mctx, EVP_CTRL_SSL3_MASTER_SECRET, s->session->master_key_length, s->session->master_key)) || !EVP_SignFinal(mctx, p + 2, &u, pkey)) { SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_VERIFY, ERR_R_EVP_LIB); goto err; } #ifndef OPENSSL_NO_GOST { int pktype = EVP_PKEY_id(pkey); if (pktype == NID_id_GostR3410_2001 || pktype == NID_id_GostR3410_2012_256 || pktype == NID_id_GostR3410_2012_512) BUF_reverse(p + 2, NULL, u); } #endif s2n(u, p); n += u + 2; if (!ssl3_digest_cached_records(s, 0)) goto err; if (!ssl_set_handshake_header(s, SSL3_MT_CERTIFICATE_VERIFY, n)) { SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_VERIFY, ERR_R_INTERNAL_ERROR); goto err; } EVP_MD_CTX_free(mctx); return 1; err: EVP_MD_CTX_free(mctx); return 0; }
https://github.com/openssl/openssl/blob/a4ccf06808422400a6a0673b452d388e95a455fd/ssl/statem/statem_clnt.c/#L2642
d2a_code_data_45659
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/3cf8db9447a6c77550033acea84e30be2af7ad2c/libavformat/rtsp.c/#L529
d2a_code_data_45660
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/b48d4397b8ee4256f0b0a115eb99f27ae89995e0/crypto/bn/bn_sqr.c/#L120
d2a_code_data_45661
static void getSubSampleFactors(int *h, int *v, enum AVPixelFormat format) { const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(format); *h = desc->log2_chroma_w; *v = desc->log2_chroma_h; }
https://github.com/libav/libav/blob/5f87c277bd5caa09cc4f9061d4ccdd58dc121110/libswscale/utils.c/#L782
d2a_code_data_45662
void avcodec_default_release_buffer(AVCodecContext *s, AVFrame *pic){ int i; InternalBuffer *buf, *last; AVCodecInternal *avci = s->internal; assert(s->codec_type == AVMEDIA_TYPE_VIDEO); assert(pic->type==FF_BUFFER_TYPE_INTERNAL); assert(avci->buffer_count); if (avci->buffer) { buf = NULL; for (i = 0; i < avci->buffer_count; i++) { buf = &avci->buffer[i]; if (buf->data[0] == pic->data[0]) break; } assert(i < avci->buffer_count); avci->buffer_count--; last = &avci->buffer[avci->buffer_count]; if (buf != last) FFSWAP(InternalBuffer, *buf, *last); } for (i = 0; i < AV_NUM_DATA_POINTERS; i++) { pic->data[i]=NULL; } if(s->debug&FF_DEBUG_BUFFERS) av_log(s, AV_LOG_DEBUG, "default_release_buffer called on pic %p, %d " "buffers used\n", pic, avci->buffer_count); }
https://github.com/libav/libav/blob/9f3c77dd2a4fa4accf102c2af1f22567652b8e0f/libavcodec/utils.c/#L503
d2a_code_data_45663
static ossl_inline size_t constant_time_lt_s(size_t a, size_t b) { return constant_time_msb_s(a ^ ((a ^ b) | ((a - b) ^ b))); }
https://github.com/openssl/openssl/blob/6438632420cee9821409221ef6717edc5ee408c1/include/internal/constant_time_locl.h/#L119
d2a_code_data_45664
static int inter_recon(AVCodecContext *avctx) { static const uint8_t bwlog_tab[2][N_BS_SIZES] = { { 0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4 }, { 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4, 4, 4 }, }; VP9Context *s = avctx->priv_data; VP9Block *const b = &s->b; int row = b->row, col = b->col; AVFrame *ref1 = s->refs[s->refidx[b->ref[0]]]; AVFrame *ref2 = b->comp ? s->refs[s->refidx[b->ref[1]]] : NULL; int w = avctx->width, h = avctx->height; ptrdiff_t ls_y = b->y_stride, ls_uv = b->uv_stride; if (!ref1->data[0] || (b->comp && !ref2->data[0])) return AVERROR_INVALIDDATA; if (b->bs > BS_8x8) { if (b->bs == BS_8x4) { mc_luma_dir(s, s->dsp.mc[3][b->filter][0], b->dst[0], ls_y, ref1->data[0], ref1->linesize[0], row << 3, col << 3, &b->mv[0][0], 8, 4, w, h); mc_luma_dir(s, s->dsp.mc[3][b->filter][0], b->dst[0] + 4 * ls_y, ls_y, ref1->data[0], ref1->linesize[0], (row << 3) + 4, col << 3, &b->mv[2][0], 8, 4, w, h); if (b->comp) { mc_luma_dir(s, s->dsp.mc[3][b->filter][1], b->dst[0], ls_y, ref2->data[0], ref2->linesize[0], row << 3, col << 3, &b->mv[0][1], 8, 4, w, h); mc_luma_dir(s, s->dsp.mc[3][b->filter][1], b->dst[0] + 4 * ls_y, ls_y, ref2->data[0], ref2->linesize[0], (row << 3) + 4, col << 3, &b->mv[2][1], 8, 4, w, h); } } else if (b->bs == BS_4x8) { mc_luma_dir(s, s->dsp.mc[4][b->filter][0], b->dst[0], ls_y, ref1->data[0], ref1->linesize[0], row << 3, col << 3, &b->mv[0][0], 4, 8, w, h); mc_luma_dir(s, s->dsp.mc[4][b->filter][0], b->dst[0] + 4, ls_y, ref1->data[0], ref1->linesize[0], row << 3, (col << 3) + 4, &b->mv[1][0], 4, 8, w, h); if (b->comp) { mc_luma_dir(s, s->dsp.mc[4][b->filter][1], b->dst[0], ls_y, ref2->data[0], ref2->linesize[0], row << 3, col << 3, &b->mv[0][1], 4, 8, w, h); mc_luma_dir(s, s->dsp.mc[4][b->filter][1], b->dst[0] + 4, ls_y, ref2->data[0], ref2->linesize[0], row << 3, (col << 3) + 4, &b->mv[1][1], 4, 8, w, h); } } else { av_assert2(b->bs == BS_4x4); mc_luma_dir(s, s->dsp.mc[4][b->filter][0], b->dst[0], ls_y, ref1->data[0], ref1->linesize[0], row << 3, col << 3, &b->mv[0][0], 4, 4, w, h); mc_luma_dir(s, s->dsp.mc[4][b->filter][0], b->dst[0] + 4, ls_y, ref1->data[0], ref1->linesize[0], row << 3, (col << 3) + 4, &b->mv[1][0], 4, 4, w, h); mc_luma_dir(s, s->dsp.mc[4][b->filter][0], b->dst[0] + 4 * ls_y, ls_y, ref1->data[0], ref1->linesize[0], (row << 3) + 4, col << 3, &b->mv[2][0], 4, 4, w, h); mc_luma_dir(s, s->dsp.mc[4][b->filter][0], b->dst[0] + 4 * ls_y + 4, ls_y, ref1->data[0], ref1->linesize[0], (row << 3) + 4, (col << 3) + 4, &b->mv[3][0], 4, 4, w, h); if (b->comp) { mc_luma_dir(s, s->dsp.mc[4][b->filter][1], b->dst[0], ls_y, ref2->data[0], ref2->linesize[0], row << 3, col << 3, &b->mv[0][1], 4, 4, w, h); mc_luma_dir(s, s->dsp.mc[4][b->filter][1], b->dst[0] + 4, ls_y, ref2->data[0], ref2->linesize[0], row << 3, (col << 3) + 4, &b->mv[1][1], 4, 4, w, h); mc_luma_dir(s, s->dsp.mc[4][b->filter][1], b->dst[0] + 4 * ls_y, ls_y, ref2->data[0], ref2->linesize[0], (row << 3) + 4, col << 3, &b->mv[2][1], 4, 4, w, h); mc_luma_dir(s, s->dsp.mc[4][b->filter][1], b->dst[0] + 4 * ls_y + 4, ls_y, ref2->data[0], ref2->linesize[0], (row << 3) + 4, (col << 3) + 4, &b->mv[3][1], 4, 4, w, h); } } } else { int bwl = bwlog_tab[0][b->bs]; int bw = bwh_tab[0][b->bs][0] * 4; int bh = bwh_tab[0][b->bs][1] * 4; mc_luma_dir(s, s->dsp.mc[bwl][b->filter][0], b->dst[0], ls_y, ref1->data[0], ref1->linesize[0], row << 3, col << 3, &b->mv[0][0], bw, bh, w, h); if (b->comp) mc_luma_dir(s, s->dsp.mc[bwl][b->filter][1], b->dst[0], ls_y, ref2->data[0], ref2->linesize[0], row << 3, col << 3, &b->mv[0][1], bw, bh, w, h); } { int bwl = bwlog_tab[1][b->bs]; int bw = bwh_tab[1][b->bs][0] * 4, bh = bwh_tab[1][b->bs][1] * 4; VP56mv mvuv; w = (w + 1) >> 1; h = (h + 1) >> 1; if (b->bs > BS_8x8) { mvuv.x = ROUNDED_DIV(b->mv[0][0].x + b->mv[1][0].x + b->mv[2][0].x + b->mv[3][0].x, 4); mvuv.y = ROUNDED_DIV(b->mv[0][0].y + b->mv[1][0].y + b->mv[2][0].y + b->mv[3][0].y, 4); } else { mvuv = b->mv[0][0]; } mc_chroma_dir(s, s->dsp.mc[bwl][b->filter][0], b->dst[1], b->dst[2], ls_uv, ref1->data[1], ref1->linesize[1], ref1->data[2], ref1->linesize[2], row << 2, col << 2, &mvuv, bw, bh, w, h); if (b->comp) { if (b->bs > BS_8x8) { mvuv.x = ROUNDED_DIV(b->mv[0][1].x + b->mv[1][1].x + b->mv[2][1].x + b->mv[3][1].x, 4); mvuv.y = ROUNDED_DIV(b->mv[0][1].y + b->mv[1][1].y + b->mv[2][1].y + b->mv[3][1].y, 4); } else { mvuv = b->mv[0][1]; } mc_chroma_dir(s, s->dsp.mc[bwl][b->filter][1], b->dst[1], b->dst[2], ls_uv, ref2->data[1], ref2->linesize[1], ref2->data[2], ref2->linesize[2], row << 2, col << 2, &mvuv, bw, bh, w, h); } } if (!b->skip) { int w4 = bwh_tab[1][b->bs][0] << 1, step1d = 1 << b->tx, n; int h4 = bwh_tab[1][b->bs][1] << 1, x, y, step = 1 << (b->tx * 2); int end_x = FFMIN(2 * (s->cols - col), w4); int end_y = FFMIN(2 * (s->rows - row), h4); int tx = 4 * s->lossless + b->tx, uvtx = b->uvtx + 4 * s->lossless; int uvstep1d = 1 << b->uvtx, p; uint8_t *dst = b->dst[0]; for (n = 0, y = 0; y < end_y; y += step1d) { uint8_t *ptr = dst; for (x = 0; x < end_x; x += step1d, ptr += 4 * step1d, n += step) { int eob = b->tx > TX_8X8 ? AV_RN16A(&s->eob[n]) : s->eob[n]; if (eob) s->dsp.itxfm_add[tx][DCT_DCT](ptr, b->y_stride, s->block + 16 * n, eob); } dst += 4 * b->y_stride * step1d; } h4 >>= 1; w4 >>= 1; end_x >>= 1; end_y >>= 1; step = 1 << (b->uvtx * 2); for (p = 0; p < 2; p++) { dst = b->dst[p + 1]; for (n = 0, y = 0; y < end_y; y += uvstep1d) { uint8_t *ptr = dst; for (x = 0; x < end_x; x += uvstep1d, ptr += 4 * uvstep1d, n += step) { int eob = b->uvtx > TX_8X8 ? AV_RN16A(&s->uveob[p][n]) : s->uveob[p][n]; if (eob) s->dsp.itxfm_add[uvtx][DCT_DCT](ptr, b->uv_stride, s->uvblock[p] + 16 * n, eob); } dst += 4 * uvstep1d * b->uv_stride; } } } return 0; }
https://github.com/libav/libav/blob/16e7b189c548b4075ff4b5dd62af10e2acae260b/libavcodec/vp9block.c/#L1293
d2a_code_data_45665
static inline int parse_nal_units(AVCodecParserContext *s, AVCodecContext *avctx, const uint8_t *buf, int buf_size) { H264Context *h = s->priv_data; const uint8_t *buf_end = buf + buf_size; unsigned int pps_id; unsigned int slice_type; int state = -1; const uint8_t *ptr; int field_poc[2]; s->pict_type = AV_PICTURE_TYPE_I; s->key_frame = 0; s->picture_structure = AV_PICTURE_STRUCTURE_UNKNOWN; h->avctx= avctx; h->sei_recovery_frame_cnt = -1; h->sei_dpb_output_delay = 0; h->sei_cpb_removal_delay = -1; h->sei_buffering_period_present = 0; if (!buf_size) return 0; for(;;) { int src_length, dst_length, consumed; buf = avpriv_find_start_code(buf, buf_end, &state); if(buf >= buf_end) break; --buf; src_length = buf_end - buf; switch (state & 0x1f) { case NAL_SLICE: case NAL_IDR_SLICE: if (src_length > 20) src_length = 20; break; } ptr= ff_h264_decode_nal(h, buf, &dst_length, &consumed, src_length); if (ptr==NULL || dst_length < 0) break; init_get_bits(&h->gb, ptr, 8*dst_length); switch(h->nal_unit_type) { case NAL_SPS: ff_h264_decode_seq_parameter_set(h); break; case NAL_PPS: ff_h264_decode_picture_parameter_set(h, h->gb.size_in_bits); break; case NAL_SEI: ff_h264_decode_sei(h); break; case NAL_IDR_SLICE: s->key_frame = 1; h->prev_frame_num = 0; h->prev_frame_num_offset = 0; h->prev_poc_msb = h->prev_poc_lsb = 0; case NAL_SLICE: get_ue_golomb(&h->gb); slice_type = get_ue_golomb_31(&h->gb); s->pict_type = golomb_to_pict_type[slice_type % 5]; if (h->sei_recovery_frame_cnt >= 0) { s->key_frame = 1; } pps_id= get_ue_golomb(&h->gb); if(pps_id>=MAX_PPS_COUNT) { av_log(h->avctx, AV_LOG_ERROR, "pps_id out of range\n"); return -1; } if(!h->pps_buffers[pps_id]) { av_log(h->avctx, AV_LOG_ERROR, "non-existing PPS referenced\n"); return -1; } h->pps= *h->pps_buffers[pps_id]; if(!h->sps_buffers[h->pps.sps_id]) { av_log(h->avctx, AV_LOG_ERROR, "non-existing SPS referenced\n"); return -1; } h->sps = *h->sps_buffers[h->pps.sps_id]; h->frame_num = get_bits(&h->gb, h->sps.log2_max_frame_num); avctx->profile = ff_h264_get_profile(&h->sps); avctx->level = h->sps.level_idc; if(h->sps.frame_mbs_only_flag){ h->picture_structure= PICT_FRAME; }else{ if(get_bits1(&h->gb)) { h->picture_structure= PICT_TOP_FIELD + get_bits1(&h->gb); } else { h->picture_structure= PICT_FRAME; } } if (h->nal_unit_type == NAL_IDR_SLICE) get_ue_golomb(&h->gb); if (h->sps.poc_type == 0) { h->poc_lsb = get_bits(&h->gb, h->sps.log2_max_poc_lsb); if (h->pps.pic_order_present == 1 && h->picture_structure == PICT_FRAME) h->delta_poc_bottom = get_se_golomb(&h->gb); } if (h->sps.poc_type == 1 && !h->sps.delta_pic_order_always_zero_flag) { h->delta_poc[0] = get_se_golomb(&h->gb); if (h->pps.pic_order_present == 1 && h->picture_structure == PICT_FRAME) h->delta_poc[1] = get_se_golomb(&h->gb); } ff_init_poc(h, field_poc, NULL); if(h->sps.pic_struct_present_flag) { switch (h->sei_pic_struct) { case SEI_PIC_STRUCT_TOP_FIELD: case SEI_PIC_STRUCT_BOTTOM_FIELD: s->repeat_pict = 0; break; case SEI_PIC_STRUCT_FRAME: case SEI_PIC_STRUCT_TOP_BOTTOM: case SEI_PIC_STRUCT_BOTTOM_TOP: s->repeat_pict = 1; break; case SEI_PIC_STRUCT_TOP_BOTTOM_TOP: case SEI_PIC_STRUCT_BOTTOM_TOP_BOTTOM: s->repeat_pict = 2; break; case SEI_PIC_STRUCT_FRAME_DOUBLING: s->repeat_pict = 3; break; case SEI_PIC_STRUCT_FRAME_TRIPLING: s->repeat_pict = 5; break; default: s->repeat_pict = h->picture_structure == PICT_FRAME ? 1 : 0; break; } } else { s->repeat_pict = h->picture_structure == PICT_FRAME ? 1 : 0; } if (h->picture_structure == PICT_FRAME) { s->picture_structure = AV_PICTURE_STRUCTURE_FRAME; if (h->sps.pic_struct_present_flag) { switch (h->sei_pic_struct) { case SEI_PIC_STRUCT_TOP_BOTTOM: case SEI_PIC_STRUCT_TOP_BOTTOM_TOP: s->field_order = AV_FIELD_TT; break; case SEI_PIC_STRUCT_BOTTOM_TOP: case SEI_PIC_STRUCT_BOTTOM_TOP_BOTTOM: s->field_order = AV_FIELD_BB; break; default: s->field_order = AV_FIELD_PROGRESSIVE; break; } } else { if (field_poc[0] < field_poc[1]) s->field_order = AV_FIELD_TT; else if (field_poc[0] > field_poc[1]) s->field_order = AV_FIELD_BB; else s->field_order = AV_FIELD_PROGRESSIVE; } } else { if (h->picture_structure == PICT_TOP_FIELD) s->picture_structure = AV_PICTURE_STRUCTURE_TOP_FIELD; else s->picture_structure = AV_PICTURE_STRUCTURE_BOTTOM_FIELD; s->field_order = AV_FIELD_UNKNOWN; } return 0; } buf += consumed; } av_log(h->avctx, AV_LOG_ERROR, "missing picture in access unit\n"); return -1; }
https://github.com/libav/libav/blob/8a994b7406b3ab24a6444037da9d1659f3125a01/libavcodec/h264_parser.c/#L157
d2a_code_data_45666
static void pred8x8l_vertical_right_c(uint8_t *src, int has_topleft, int has_topright, int stride) { PREDICT_8x8_LOAD_TOP; PREDICT_8x8_LOAD_LEFT; PREDICT_8x8_LOAD_TOPLEFT; SRC(0,6)= (l5 + 2*l4 + l3 + 2) >> 2; SRC(0,7)= (l6 + 2*l5 + l4 + 2) >> 2; SRC(0,4)=SRC(1,6)= (l3 + 2*l2 + l1 + 2) >> 2; SRC(0,5)=SRC(1,7)= (l4 + 2*l3 + l2 + 2) >> 2; SRC(0,2)=SRC(1,4)=SRC(2,6)= (l1 + 2*l0 + lt + 2) >> 2; SRC(0,3)=SRC(1,5)=SRC(2,7)= (l2 + 2*l1 + l0 + 2) >> 2; SRC(0,1)=SRC(1,3)=SRC(2,5)=SRC(3,7)= (l0 + 2*lt + t0 + 2) >> 2; SRC(0,0)=SRC(1,2)=SRC(2,4)=SRC(3,6)= (lt + t0 + 1) >> 1; SRC(1,1)=SRC(2,3)=SRC(3,5)=SRC(4,7)= (lt + 2*t0 + t1 + 2) >> 2; SRC(1,0)=SRC(2,2)=SRC(3,4)=SRC(4,6)= (t0 + t1 + 1) >> 1; SRC(2,1)=SRC(3,3)=SRC(4,5)=SRC(5,7)= (t0 + 2*t1 + t2 + 2) >> 2; SRC(2,0)=SRC(3,2)=SRC(4,4)=SRC(5,6)= (t1 + t2 + 1) >> 1; SRC(3,1)=SRC(4,3)=SRC(5,5)=SRC(6,7)= (t1 + 2*t2 + t3 + 2) >> 2; SRC(3,0)=SRC(4,2)=SRC(5,4)=SRC(6,6)= (t2 + t3 + 1) >> 1; SRC(4,1)=SRC(5,3)=SRC(6,5)=SRC(7,7)= (t2 + 2*t3 + t4 + 2) >> 2; SRC(4,0)=SRC(5,2)=SRC(6,4)=SRC(7,6)= (t3 + t4 + 1) >> 1; SRC(5,1)=SRC(6,3)=SRC(7,5)= (t3 + 2*t4 + t5 + 2) >> 2; SRC(5,0)=SRC(6,2)=SRC(7,4)= (t4 + t5 + 1) >> 1; SRC(6,1)=SRC(7,3)= (t4 + 2*t5 + t6 + 2) >> 2; SRC(6,0)=SRC(7,2)= (t5 + t6 + 1) >> 1; SRC(7,1)= (t5 + 2*t6 + t7 + 2) >> 2; SRC(7,0)= (t6 + t7 + 1) >> 1; }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/h264pred.c/#L899
d2a_code_data_45667
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; } nw = n / BN_BITS2; if (bn_wexpand(r, a->top + nw + 1) == NULL) return 0; r->neg = a->neg; 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/49cd47eaababc8c57871b929080fc1357e2ad7b8/crypto/bn/bn_shift.c/#L112
d2a_code_data_45668
void avformat_close_input(AVFormatContext **ps) { AVFormatContext *s = *ps; AVIOContext *pb = s->pb; if ((s->iformat && s->iformat->flags & AVFMT_NOFILE) || (s->flags & AVFMT_FLAG_CUSTOM_IO)) pb = NULL; flush_packet_queue(s); if (s->iformat) { if (s->iformat->read_close) s->iformat->read_close(s); } avformat_free_context(s); *ps = NULL; avio_close(pb); }
https://github.com/libav/libav/blob/f8d1bb6723a677d7221c674a4e47e3d4cecfca17/libavformat/utils.c/#L2577
d2a_code_data_45669
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/ccea588f831906084b8c8235222920e6984beb72/libavutil/samplefmt.c/#L124
d2a_code_data_45670
int ERR_set_mark(void) { ERR_STATE *es; es = ERR_get_state(); if (es == NULL) return 0; if (es->bottom == es->top) return 0; es->err_flags[es->top] |= ERR_FLAG_MARK; return 1; }
https://github.com/openssl/openssl/blob/f770d75b1cac264d6280ec7326277daff6965cbb/crypto/err/err.c/#L776
d2a_code_data_45671
static void ngx_http_set_keepalive(ngx_http_request_t *r) { int tcp_nodelay; ngx_int_t i; ngx_buf_t *b, *f; ngx_event_t *rev, *wev; ngx_connection_t *c; ngx_http_connection_t *hc; ngx_http_core_srv_conf_t *cscf; ngx_http_core_loc_conf_t *clcf; c = r->connection; rev = c->read; clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "set http keepalive handler"); if (r->discard_body) { r->write_event_handler = ngx_http_request_empty_handler; r->lingering_time = ngx_time() + (time_t) (clcf->lingering_time / 1000); ngx_add_timer(rev, clcf->lingering_timeout); return; } c->log->action = "closing request"; hc = r->http_connection; b = r->header_in; if (b->pos < b->last) { if (b != c->buffer) { cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module); if (hc->free == NULL) { hc->free = ngx_palloc(c->pool, cscf->large_client_header_buffers.num * sizeof(ngx_buf_t *)); if (hc->free == NULL) { ngx_http_close_request(r, 0); return; } } for (i = 0; i < hc->nbusy - 1; i++) { f = hc->busy[i]; hc->free[hc->nfree++] = f; f->pos = f->start; f->last = f->start; } hc->busy[0] = b; hc->nbusy = 1; } } r->keepalive = 0; ngx_http_free_request(r, 0); c->data = hc; ngx_add_timer(rev, clcf->keepalive_timeout); if (ngx_handle_read_event(rev, 0) != NGX_OK) { ngx_http_close_connection(c); return; } wev = c->write; wev->handler = ngx_http_empty_handler; if (b->pos < b->last) { ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "pipelined request"); hc->pipeline = 1; c->log->action = "reading client pipelined request line"; rev->handler = ngx_http_init_request; ngx_post_event(rev, &ngx_posted_events); return; } hc->pipeline = 0; if (ngx_pfree(c->pool, r) == NGX_OK) { hc->request = NULL; } b = c->buffer; if (ngx_pfree(c->pool, b->start) == NGX_OK) { b->pos = NULL; } else { b->pos = b->start; b->last = b->start; } ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, "hc free: %p %d", hc->free, hc->nfree); if (hc->free) { for (i = 0; i < hc->nfree; i++) { ngx_pfree(c->pool, hc->free[i]->start); hc->free[i] = NULL; } hc->nfree = 0; } ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, "hc busy: %p %d", hc->busy, hc->nbusy); if (hc->busy) { for (i = 0; i < hc->nbusy; i++) { ngx_pfree(c->pool, hc->busy[i]->start); hc->busy[i] = NULL; } hc->nbusy = 0; } #if (NGX_HTTP_SSL) if (c->ssl) { ngx_ssl_free_buffer(c); } #endif rev->handler = ngx_http_keepalive_handler; if (wev->active && (ngx_event_flags & NGX_USE_LEVEL_EVENT)) { if (ngx_del_event(wev, NGX_WRITE_EVENT, 0) != NGX_OK) { ngx_http_close_connection(c); return; } } c->log->action = "keepalive"; if (c->tcp_nopush == NGX_TCP_NOPUSH_SET) { if (ngx_tcp_push(c->fd) == -1) { ngx_connection_error(c, ngx_socket_errno, ngx_tcp_push_n " failed"); ngx_http_close_connection(c); return; } c->tcp_nopush = NGX_TCP_NOPUSH_UNSET; tcp_nodelay = ngx_tcp_nodelay_and_tcp_nopush ? 1 : 0; } else { tcp_nodelay = 1; } if (tcp_nodelay && clcf->tcp_nodelay && c->tcp_nodelay == NGX_TCP_NODELAY_UNSET) { ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "tcp_nodelay"); if (setsockopt(c->fd, IPPROTO_TCP, TCP_NODELAY, (const void *) &tcp_nodelay, sizeof(int)) == -1) { #if (NGX_SOLARIS) c->log_error = NGX_ERROR_IGNORE_EINVAL; #endif ngx_connection_error(c, ngx_socket_errno, "setsockopt(TCP_NODELAY) failed"); c->log_error = NGX_ERROR_INFO; ngx_http_close_connection(c); return; } c->tcp_nodelay = NGX_TCP_NODELAY_SET; } #if 0 r->http_state = NGX_HTTP_KEEPALIVE_STATE; #endif c->idle = 1; ngx_reusable_connection(c, 1); if (rev->ready) { ngx_post_event(rev, &ngx_posted_events); } }
https://github.com/nginx/nginx/blob/d281d0ba8b779b591e96ef237ff149e3d521264f/src/http/ngx_http_request.c/#L2585
d2a_code_data_45672
void CRYPTO_free(void *str) { #ifndef OPENSSL_NO_CRYPTO_MDEBUG if (call_malloc_debug) { CRYPTO_mem_debug_free(str, 0); free(str); CRYPTO_mem_debug_free(str, 1); } else { free(str); } #else free(str); #endif }
https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/crypto/mem.c/#L245
d2a_code_data_45673
static void exponents_from_scale_factors(MPADecodeContext *s, GranuleDef *g, int16_t *exponents) { const uint8_t *bstab, *pretab; int len, i, j, k, l, v0, shift, gain, gains[3]; int16_t *exp_ptr; exp_ptr = exponents; gain = g->global_gain - 210; shift = g->scalefac_scale + 1; bstab = band_size_long[s->sample_rate_index]; pretab = mpa_pretab[g->preflag]; for(i=0;i<g->long_end;i++) { v0 = gain - ((g->scale_factors[i] + pretab[i]) << shift) + 400; len = bstab[i]; for(j=len;j>0;j--) *exp_ptr++ = v0; } if (g->short_start < 13) { bstab = band_size_short[s->sample_rate_index]; gains[0] = gain - (g->subblock_gain[0] << 3); gains[1] = gain - (g->subblock_gain[1] << 3); gains[2] = gain - (g->subblock_gain[2] << 3); k = g->long_end; for(i=g->short_start;i<13;i++) { len = bstab[i]; for(l=0;l<3;l++) { v0 = gains[l] - (g->scale_factors[k++] << shift) + 400; for(j=len;j>0;j--) *exp_ptr++ = v0; } } } }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/mpegaudiodec.c/#L1431
d2a_code_data_45674
static unsigned int BN_STACK_pop(BN_STACK *st) { return st->indexes[--(st->depth)]; }
https://github.com/openssl/openssl/blob/69588edbaa424beb71c6a9b1be416588232cb78c/crypto/bn/bn_ctx.c/#L273
d2a_code_data_45675
static void png_filter_row(DSPContext *dsp, uint8_t *dst, int filter_type, uint8_t *src, uint8_t *last, int size, int bpp) { int i, p, r, g, b, a; switch(filter_type) { case PNG_FILTER_VALUE_NONE: memcpy(dst, src, size); break; case PNG_FILTER_VALUE_SUB: for(i = 0; i < bpp; i++) { dst[i] = src[i]; } if(bpp == 4) { p = *(int*)dst; for(; i < size; i+=bpp) { int s = *(int*)(src+i); p = ((s&0x7f7f7f7f) + (p&0x7f7f7f7f)) ^ ((s^p)&0x80808080); *(int*)(dst+i) = p; } } else { #define OP_SUB(x,s,l) x+s UNROLL_FILTER(OP_SUB); } break; case PNG_FILTER_VALUE_UP: dsp->add_bytes_l2(dst, src, last, size); break; case PNG_FILTER_VALUE_AVG: for(i = 0; i < bpp; i++) { p = (last[i] >> 1); dst[i] = p + src[i]; } #define OP_AVG(x,s,l) (((x + l) >> 1) + s) & 0xff UNROLL_FILTER(OP_AVG); break; case PNG_FILTER_VALUE_PAETH: for(i = 0; i < bpp; i++) { p = last[i]; dst[i] = p + src[i]; } if(bpp > 1 && size > 4) { int w = bpp==4 ? size : size-3; dsp->add_png_paeth_prediction(dst+i, src+i, last+i, w-i, bpp); i = w; } ff_add_png_paeth_prediction(dst+i, src+i, last+i, size-i, bpp); break; } }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/pngdec.c/#L202
d2a_code_data_45676
static int sync(AVFormatContext *s, int64_t *timestamp, int *flags, int *stream_index, int64_t *pos){ RMContext *rm = s->priv_data; ByteIOContext *pb = s->pb; int len, num, res, i; AVStream *st; uint32_t state=0xFFFFFFFF; while(!url_feof(pb)){ *pos= url_ftell(pb); if(rm->remaining_len > 0){ num= rm->current_stream; len= rm->remaining_len; *timestamp = AV_NOPTS_VALUE; *flags= 0; }else{ state= (state<<8) + get_byte(pb); if(state == MKBETAG('I', 'N', 'D', 'X')){ len = get_be16(pb) - 6; if(len<0) continue; goto skip; } if(state > (unsigned)0xFFFF || state < 12) continue; len=state; state= 0xFFFFFFFF; num = get_be16(pb); *timestamp = get_be32(pb); res= get_byte(pb); *flags = get_byte(pb); len -= 12; } for(i=0;i<s->nb_streams;i++) { st = s->streams[i]; if (num == st->id) break; } if (i == s->nb_streams) { skip: url_fskip(pb, len); rm->remaining_len -= len; continue; } *stream_index= i; return len; } return -1; }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavformat/rmdec.c/#L411
d2a_code_data_45677
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/b1531d8e6cc95837e38b10d875ae64144c6fdf7a/crypto/evp/evp_enc.c/#L288
d2a_code_data_45678
int ssl3_write_pending(SSL *s, int type, const unsigned char *buf, size_t len, size_t *written) { int i; SSL3_BUFFER *wb = s->rlayer.wbuf; size_t currbuf = 0; size_t tmpwrit = 0; if ((s->rlayer.wpend_tot > len) || ((s->rlayer.wpend_buf != buf) && !(s->mode & SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER)) || (s->rlayer.wpend_type != type)) { SSLerr(SSL_F_SSL3_WRITE_PENDING, SSL_R_BAD_WRITE_RETRY); return -1; } for (;;) { if (SSL3_BUFFER_get_left(&wb[currbuf]) == 0 && currbuf < s->rlayer.numwpipes - 1) { currbuf++; continue; } clear_sys_error(); if (s->wbio != NULL) { s->rwstate = SSL_WRITING; i = BIO_write(s->wbio, (char *) &(SSL3_BUFFER_get_buf(&wb[currbuf]) [SSL3_BUFFER_get_offset(&wb[currbuf])]), (unsigned int)SSL3_BUFFER_get_left(&wb[currbuf])); if (i >= 0) tmpwrit = i; } else { SSLerr(SSL_F_SSL3_WRITE_PENDING, SSL_R_BIO_NOT_SET); i = -1; } if (i > 0 && tmpwrit == SSL3_BUFFER_get_left(&wb[currbuf])) { SSL3_BUFFER_set_left(&wb[currbuf], 0); SSL3_BUFFER_add_offset(&wb[currbuf], tmpwrit); if (currbuf + 1 < s->rlayer.numwpipes) continue; s->rwstate = SSL_NOTHING; *written = s->rlayer.wpend_ret; return 1; } else if (i <= 0) { if (SSL_IS_DTLS(s)) { SSL3_BUFFER_set_left(&wb[currbuf], 0); } return (i); } SSL3_BUFFER_add_offset(&wb[currbuf], tmpwrit); SSL3_BUFFER_sub_left(&wb[currbuf], tmpwrit); } }
https://github.com/openssl/openssl/blob/7f7eb90b8ac55997c5c825bb3ebcfe28611e06f5/ssl/record/rec_layer_s3.c/#L1077
d2a_code_data_45679
static int vp3_decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPacket *avpkt) { const uint8_t *buf = avpkt->data; int buf_size = avpkt->size; Vp3DecodeContext *s = avctx->priv_data; GetBitContext gb; int i; init_get_bits(&gb, buf, buf_size * 8); if (s->theora && get_bits1(&gb)) { av_log(avctx, AV_LOG_ERROR, "Header packet passed to frame decoder, skipping\n"); return -1; } s->keyframe = !get_bits1(&gb); if (!s->theora) skip_bits(&gb, 1); for (i = 0; i < 3; i++) s->last_qps[i] = s->qps[i]; s->nqps=0; do{ s->qps[s->nqps++]= get_bits(&gb, 6); } while(s->theora >= 0x030200 && s->nqps<3 && get_bits1(&gb)); for (i = s->nqps; i < 3; i++) s->qps[i] = -1; if (s->avctx->debug & FF_DEBUG_PICT_INFO) av_log(s->avctx, AV_LOG_INFO, " VP3 %sframe #%d: Q index = %d\n", s->keyframe?"key":"", avctx->frame_number+1, s->qps[0]); s->skip_loop_filter = !s->filter_limit_values[s->qps[0]] || avctx->skip_loop_filter >= (s->keyframe ? AVDISCARD_ALL : AVDISCARD_NONKEY); if (s->qps[0] != s->last_qps[0]) init_loop_filter(s); for (i = 0; i < s->nqps; i++) if (s->qps[i] != s->last_qps[i] || s->qps[0] != s->last_qps[0]) init_dequantizer(s, i); if (avctx->skip_frame >= AVDISCARD_NONKEY && !s->keyframe) return buf_size; s->current_frame.reference = 3; s->current_frame.pict_type = s->keyframe ? AV_PICTURE_TYPE_I : AV_PICTURE_TYPE_P; if (ff_thread_get_buffer(avctx, &s->current_frame) < 0) { av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed\n"); goto error; } if (!s->edge_emu_buffer) s->edge_emu_buffer = av_malloc(9*FFABS(s->current_frame.linesize[0])); if (s->keyframe) { if (!s->theora) { skip_bits(&gb, 4); skip_bits(&gb, 4); if (s->version) { s->version = get_bits(&gb, 5); if (avctx->frame_number == 0) av_log(s->avctx, AV_LOG_DEBUG, "VP version: %d\n", s->version); } } if (s->version || s->theora) { if (get_bits1(&gb)) av_log(s->avctx, AV_LOG_ERROR, "Warning, unsupported keyframe coding type?!\n"); skip_bits(&gb, 2); } } else { if (!s->golden_frame.data[0]) { av_log(s->avctx, AV_LOG_WARNING, "vp3: first frame not a keyframe\n"); s->golden_frame.reference = 3; s->golden_frame.pict_type = AV_PICTURE_TYPE_I; if (ff_thread_get_buffer(avctx, &s->golden_frame) < 0) { av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed\n"); goto error; } s->last_frame = s->golden_frame; s->last_frame.type = FF_BUFFER_TYPE_COPY; ff_thread_report_progress(&s->last_frame, INT_MAX, 0); } } memset(s->all_fragments, 0, s->fragment_count * sizeof(Vp3Fragment)); ff_thread_finish_setup(avctx); if (unpack_superblocks(s, &gb)){ av_log(s->avctx, AV_LOG_ERROR, "error in unpack_superblocks\n"); goto error; } if (unpack_modes(s, &gb)){ av_log(s->avctx, AV_LOG_ERROR, "error in unpack_modes\n"); goto error; } if (unpack_vectors(s, &gb)){ av_log(s->avctx, AV_LOG_ERROR, "error in unpack_vectors\n"); goto error; } if (unpack_block_qpis(s, &gb)){ av_log(s->avctx, AV_LOG_ERROR, "error in unpack_block_qpis\n"); goto error; } if (unpack_dct_coeffs(s, &gb)){ av_log(s->avctx, AV_LOG_ERROR, "error in unpack_dct_coeffs\n"); goto error; } for (i = 0; i < 3; i++) { int height = s->height >> (i && s->chroma_y_shift); if (s->flipped_image) s->data_offset[i] = 0; else s->data_offset[i] = (height-1) * s->current_frame.linesize[i]; } s->last_slice_end = 0; for (i = 0; i < s->c_superblock_height; i++) render_slice(s, i); for (i = 0; i < 3; i++) { int row = (s->height >> (3+(i && s->chroma_y_shift))) - 1; apply_loop_filter(s, i, row, row+1); } vp3_draw_horiz_band(s, s->avctx->height); *data_size=sizeof(AVFrame); *(AVFrame*)data= s->current_frame; if (!HAVE_THREADS || !(s->avctx->active_thread_type&FF_THREAD_FRAME)) update_frames(avctx); return buf_size; error: ff_thread_report_progress(&s->current_frame, INT_MAX, 0); if (!HAVE_THREADS || !(s->avctx->active_thread_type&FF_THREAD_FRAME)) avctx->release_buffer(avctx, &s->current_frame); return -1; }
https://github.com/libav/libav/blob/33684b9c12b74c0140fb91e8150263db4a48d55e/libavcodec/vp3.c/#L1866
d2a_code_data_45680
void Poly1305_Update(POLY1305 *ctx, const unsigned char *inp, size_t len) { #ifdef POLY1305_ASM poly1305_blocks_f poly1305_blocks_p = ctx->func.blocks; #endif size_t rem, num; if ((num = ctx->num)) { rem = POLY1305_BLOCK_SIZE - num; if (len >= rem) { memcpy(ctx->data + num, inp, rem); poly1305_blocks(ctx->opaque, ctx->data, POLY1305_BLOCK_SIZE, 1); inp += rem; len -= rem; } else { memcpy(ctx->data + num, inp, len); ctx->num = num + len; return; } } rem = len % POLY1305_BLOCK_SIZE; len -= rem; if (len >= POLY1305_BLOCK_SIZE) { poly1305_blocks(ctx->opaque, inp, len, 1); inp += len; } if (rem) memcpy(ctx->data, inp, rem); ctx->num = rem; }
https://github.com/openssl/openssl/blob/740b2b9a6cf31b02916a4d18f868e8a95934c083/crypto/poly1305/poly1305.c/#L495
d2a_code_data_45681
static int do_multi(int multi, int size_num) { int n; int fd[2]; int *fds; static char sep[] = ":"; fds = malloc(sizeof(*fds) * multi); for (n = 0; n < multi; ++n) { if (pipe(fd) == -1) { BIO_printf(bio_err, "pipe failure\n"); exit(1); } fflush(stdout); (void)BIO_flush(bio_err); if (fork()) { close(fd[1]); fds[n] = fd[0]; } else { close(fd[0]); close(1); if (dup(fd[1]) == -1) { BIO_printf(bio_err, "dup failed\n"); exit(1); } close(fd[1]); mr = 1; usertime = 0; free(fds); return 0; } printf("Forked child %d\n", n); } for (n = 0; n < multi; ++n) { FILE *f; char buf[1024]; char *p; f = fdopen(fds[n], "r"); while (fgets(buf, sizeof(buf), f)) { p = strchr(buf, '\n'); if (p) *p = '\0'; if (buf[0] != '+') { BIO_printf(bio_err, "Don't understand line '%s' from child %d\n", buf, n); continue; } printf("Got: %s from %d\n", buf, n); if (strncmp(buf, "+F:", 3) == 0) { int alg; int j; p = buf + 3; alg = atoi(sstrsep(&p, sep)); sstrsep(&p, sep); for (j = 0; j < size_num; ++j) results[alg][j] += atof(sstrsep(&p, sep)); } else if (strncmp(buf, "+F2:", 4) == 0) { int k; double d; p = buf + 4; k = atoi(sstrsep(&p, sep)); sstrsep(&p, sep); d = atof(sstrsep(&p, sep)); rsa_results[k][0] += d; d = atof(sstrsep(&p, sep)); rsa_results[k][1] += d; } # ifndef OPENSSL_NO_DSA else if (strncmp(buf, "+F3:", 4) == 0) { int k; double d; p = buf + 4; k = atoi(sstrsep(&p, sep)); sstrsep(&p, sep); d = atof(sstrsep(&p, sep)); dsa_results[k][0] += d; d = atof(sstrsep(&p, sep)); dsa_results[k][1] += d; } # endif # ifndef OPENSSL_NO_EC else if (strncmp(buf, "+F4:", 4) == 0) { int k; double d; p = buf + 4; k = atoi(sstrsep(&p, sep)); sstrsep(&p, sep); d = atof(sstrsep(&p, sep)); ecdsa_results[k][0] += d; d = atof(sstrsep(&p, sep)); ecdsa_results[k][1] += d; } else if (strncmp(buf, "+F5:", 4) == 0) { int k; double d; p = buf + 4; k = atoi(sstrsep(&p, sep)); sstrsep(&p, sep); d = atof(sstrsep(&p, sep)); ecdh_results[k][0] += d; } # endif else if (strncmp(buf, "+H:", 3) == 0) { ; } else BIO_printf(bio_err, "Unknown type '%s' from child %d\n", buf, n); } fclose(f); } free(fds); return 1; }
https://github.com/openssl/openssl/blob/c22365b399f62af4a81e9202500cd2cbd9c23a9d/apps/speed.c/#L3165
d2a_code_data_45682
static size_t kat_nonce(RAND_DRBG *drbg, unsigned char **pout, int entropy, size_t min_len, size_t max_len) { TEST_CTX *t = (TEST_CTX *)RAND_DRBG_get_ex_data(drbg, app_data_index); t->noncecnt++; *pout = (unsigned char *)t->nonce; return t->noncelen; }
https://github.com/openssl/openssl/blob/6b3d0423528b049d04b299a8588a32d5c1224717/test/drbgtest.c/#L160
d2a_code_data_45683
STACK_OF(CONF_VALUE) *i2v_ASN1_BIT_STRING(X509V3_EXT_METHOD *method, ASN1_BIT_STRING *bits, STACK_OF(CONF_VALUE) *ret) { BIT_STRING_BITNAME *bnam; for (bnam = method->usr_data; bnam->lname; bnam++) { if (ASN1_BIT_STRING_get_bit(bits, bnam->bitnum)) X509V3_add_value(bnam->lname, NULL, &ret); } return ret; }
https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/crypto/x509v3/v3_bitst.c/#L103
d2a_code_data_45684
static int nss_keylog_int(const char *prefix, SSL *ssl, const uint8_t *parameter_1, size_t parameter_1_len, const uint8_t *parameter_2, size_t parameter_2_len) { char *out = NULL; char *cursor = NULL; size_t out_len = 0; size_t i; size_t prefix_len; if (ssl->ctx->keylog_callback == NULL) return 1; prefix_len = strlen(prefix); out_len = prefix_len + (2 * parameter_1_len) + (2 * parameter_2_len) + 3; if ((out = cursor = OPENSSL_malloc(out_len)) == NULL) { SSLfatal(ssl, SSL_AD_INTERNAL_ERROR, SSL_F_NSS_KEYLOG_INT, ERR_R_MALLOC_FAILURE); return 0; } strcpy(cursor, prefix); cursor += prefix_len; *cursor++ = ' '; for (i = 0; i < parameter_1_len; i++) { sprintf(cursor, "%02x", parameter_1[i]); cursor += 2; } *cursor++ = ' '; for (i = 0; i < parameter_2_len; i++) { sprintf(cursor, "%02x", parameter_2[i]); cursor += 2; } *cursor = '\0'; ssl->ctx->keylog_callback(ssl, (const char *)out); OPENSSL_clear_free(out, out_len); return 1; }
https://github.com/openssl/openssl/blob/fb9c3ff565aa11b08646e0f9f28fc082ed365cbd/ssl/ssl_lib.c/#L5140
d2a_code_data_45685
int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes) { assert(pkt->subs != NULL && len != 0); if (pkt->subs == NULL || len == 0) return 0; if (pkt->maxsize - pkt->written < len) return 0; if (pkt->buf->length - pkt->written < len) { size_t newlen; size_t reflen; reflen = (len > pkt->buf->length) ? len : pkt->buf->length; if (reflen > SIZE_MAX / 2) { newlen = SIZE_MAX; } else { newlen = reflen * 2; if (newlen < DEFAULT_BUF_SIZE) newlen = DEFAULT_BUF_SIZE; } if (BUF_MEM_grow(pkt->buf, newlen) == 0) return 0; } *allocbytes = (unsigned char *)pkt->buf->data + pkt->curr; return 1; }
https://github.com/openssl/openssl/blob/e4e1aa903e624044d3319622fc50222f1b2c7328/ssl/packet.c/#L46
d2a_code_data_45686
void CRYPTO_free(void *str) { #ifndef OPENSSL_NO_CRYPTO_MDEBUG if (call_malloc_debug) { CRYPTO_mem_debug_free(str, 0); free(str); CRYPTO_mem_debug_free(str, 1); } else { free(str); } #else free(str); #endif }
https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/crypto/mem.c/#L245
d2a_code_data_45687
int ossl_prop_defn_set(OPENSSL_CTX *ctx, const char *prop, OSSL_PROPERTY_LIST *pl) { PROPERTY_DEFN_ELEM elem, *old, *p = NULL; size_t len; LHASH_OF(PROPERTY_DEFN_ELEM) *property_defns; property_defns = openssl_ctx_get_data(ctx, OPENSSL_CTX_PROPERTY_DEFN_INDEX, &property_defns_method); if (property_defns == NULL) return 0; if (prop == NULL) return 1; if (pl == NULL) { elem.prop = prop; lh_PROPERTY_DEFN_ELEM_delete(property_defns, &elem); return 1; } len = strlen(prop); p = OPENSSL_malloc(sizeof(*p) + len); if (p != NULL) { p->prop = p->body; p->defn = pl; memcpy(p->body, prop, len + 1); old = lh_PROPERTY_DEFN_ELEM_insert(property_defns, p); if (old != NULL) { property_defn_free(old); return 1; } if (!lh_PROPERTY_DEFN_ELEM_error(property_defns)) return 1; } OPENSSL_free(p); return 0; }
https://github.com/openssl/openssl/blob/c1d56231ef6385b557ec72eec508e55ea26ca8b0/crypto/property/defn_cache.c/#L109
d2a_code_data_45688
static void print_key_details(BIO *out, EVP_PKEY *key) { int keyid = EVP_PKEY_id(key); #ifndef OPENSSL_NO_EC if (keyid == EVP_PKEY_EC) { EC_KEY *ec = EVP_PKEY_get1_EC_KEY(key); int nid; const char *cname; nid = EC_GROUP_get_curve_name(EC_KEY_get0_group(ec)); EC_KEY_free(ec); cname = EC_curve_nid2nist(nid); if (!cname) cname = OBJ_nid2sn(nid); BIO_printf(out, "%d bits EC (%s)", EVP_PKEY_bits(key), cname); } else #endif { const char *algname; switch (keyid) { case EVP_PKEY_RSA: algname = "RSA"; break; case EVP_PKEY_DSA: algname = "DSA"; break; case EVP_PKEY_DH: algname = "DH"; break; default: algname = OBJ_nid2sn(keyid); break; } BIO_printf(out, "%d bits %s", EVP_PKEY_bits(key), algname); } }
https://github.com/openssl/openssl/blob/928623825cc59e272e2031cd3f07c5b7bbd605d4/test/ssltest.c/#L848
d2a_code_data_45689
static const char *skip_space(const char *s) { while (ossl_isspace(*s)) s++; return s; }
https://github.com/openssl/openssl/blob/c1d56231ef6385b557ec72eec508e55ea26ca8b0/crypto/property/property_parse.c/#L54
d2a_code_data_45690
static int img_write_packet(AVFormatContext *s, AVPacket *pkt) { VideoData *img = s->priv_data; ByteIOContext *pb[3]; char filename[1024]; AVCodecContext *codec= s->streams[ pkt->stream_index ]->codec; int i; if (!img->is_pipe) { if (av_get_frame_filename(filename, sizeof(filename), img->path, img->img_number) < 0 && img->img_number>1) return AVERROR(EIO); for(i=0; i<3; i++){ if (url_fopen(&pb[i], filename, URL_WRONLY) < 0) return AVERROR(EIO); if(codec->codec_id != CODEC_ID_RAWVIDEO) break; filename[ strlen(filename) - 1 ]= 'U' + i; } } else { pb[0] = s->pb; } if(codec->codec_id == CODEC_ID_RAWVIDEO){ int ysize = codec->width * codec->height; put_buffer(pb[0], pkt->data , ysize); put_buffer(pb[1], pkt->data + ysize, (pkt->size - ysize)/2); put_buffer(pb[2], pkt->data + ysize +(pkt->size - ysize)/2, (pkt->size - ysize)/2); put_flush_packet(pb[1]); put_flush_packet(pb[2]); url_fclose(pb[1]); url_fclose(pb[2]); }else{ put_buffer(pb[0], pkt->data, pkt->size); } put_flush_packet(pb[0]); if (!img->is_pipe) { url_fclose(pb[0]); } img->img_number++; return 0; }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavformat/img2.c/#L349
d2a_code_data_45691
static unsigned int BN_STACK_pop(BN_STACK *st) { return st->indexes[--(st->depth)]; }
https://github.com/openssl/openssl/blob/3f97052392cb10fca5309212bf720685262ad4a6/crypto/bn/bn_ctx.c/#L273
d2a_code_data_45692
static av_cold void huff_build_tree(IdcinContext *s, int prev) { hnode_t *node, *hnodes; int num_hnodes, i; num_hnodes = HUF_TOKENS; hnodes = s->huff_nodes[prev]; for(i = 0; i < HUF_TOKENS * 2; i++) hnodes[i].used = 0; while (1) { node = &hnodes[num_hnodes]; node->children[0] = huff_smallest_node(hnodes, num_hnodes); if(node->children[0] == -1) break; node->children[1] = huff_smallest_node(hnodes, num_hnodes); if(node->children[1] == -1) break; node->count = hnodes[node->children[0]].count + hnodes[node->children[1]].count; num_hnodes++; } s->num_huff_nodes[prev] = num_hnodes - 1; }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/idcinvideo.c/#L126
d2a_code_data_45693
static void unhook_drbg(RAND_DRBG *drbg) { HOOK_CTX *ctx = get_hook_ctx(drbg); drbg->get_entropy = ctx->get_entropy; CRYPTO_free_ex_data(CRYPTO_EX_INDEX_DRBG, drbg, &drbg->ex_data); }
https://github.com/openssl/openssl/blob/b44882a0bd0717e0aab84f5dc3ef81ab673155e9/test/drbgtest.c/#L554
d2a_code_data_45694
static int client_hello_select_server_ctx(SSL *s, void *arg, int ignore) { const char *servername; const unsigned char *p; size_t len, remaining; HANDSHAKE_EX_DATA *ex_data = (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx)); if (!SSL_client_hello_get0_ext(s, TLSEXT_TYPE_server_name, &p, &remaining) || remaining <= 2) return 0; len = (*(p++) << 8); len += *(p++); if (len + 2 != remaining) return 0; remaining = len; if (remaining == 0 || *p++ != TLSEXT_NAMETYPE_host_name) return 0; remaining--; if (remaining <= 2) return 0; len = (*(p++) << 8); len += *(p++); if (len + 2 > remaining) return 0; remaining = len; servername = (const char *)p; if (len == strlen("server2") && strncmp(servername, "server2", len) == 0) { SSL_CTX *new_ctx = arg; SSL_set_SSL_CTX(s, new_ctx); SSL_clear_options(s, 0xFFFFFFFFL); SSL_set_options(s, SSL_CTX_get_options(new_ctx)); ex_data->servername = SSL_TEST_SERVERNAME_SERVER2; return 1; } else if (len == strlen("server1") && strncmp(servername, "server1", len) == 0) { ex_data->servername = SSL_TEST_SERVERNAME_SERVER1; return 1; } else if (ignore) { ex_data->servername = SSL_TEST_SERVERNAME_SERVER1; return 1; } return 0; }
https://github.com/openssl/openssl/blob/f1b97da1fd90cf3935eafedc8df0d0165cb75f2f/test/handshake_helper.c/#L190
d2a_code_data_45695
static void pred8x8l_down_left_c(uint8_t *src, int has_topleft, int has_topright, int stride) { PREDICT_8x8_LOAD_TOP; PREDICT_8x8_LOAD_TOPRIGHT; SRC(0,0)= (t0 + 2*t1 + t2 + 2) >> 2; SRC(0,1)=SRC(1,0)= (t1 + 2*t2 + t3 + 2) >> 2; SRC(0,2)=SRC(1,1)=SRC(2,0)= (t2 + 2*t3 + t4 + 2) >> 2; SRC(0,3)=SRC(1,2)=SRC(2,1)=SRC(3,0)= (t3 + 2*t4 + t5 + 2) >> 2; SRC(0,4)=SRC(1,3)=SRC(2,2)=SRC(3,1)=SRC(4,0)= (t4 + 2*t5 + t6 + 2) >> 2; SRC(0,5)=SRC(1,4)=SRC(2,3)=SRC(3,2)=SRC(4,1)=SRC(5,0)= (t5 + 2*t6 + t7 + 2) >> 2; SRC(0,6)=SRC(1,5)=SRC(2,4)=SRC(3,3)=SRC(4,2)=SRC(5,1)=SRC(6,0)= (t6 + 2*t7 + t8 + 2) >> 2; SRC(0,7)=SRC(1,6)=SRC(2,5)=SRC(3,4)=SRC(4,3)=SRC(5,2)=SRC(6,1)=SRC(7,0)= (t7 + 2*t8 + t9 + 2) >> 2; SRC(1,7)=SRC(2,6)=SRC(3,5)=SRC(4,4)=SRC(5,3)=SRC(6,2)=SRC(7,1)= (t8 + 2*t9 + t10 + 2) >> 2; SRC(2,7)=SRC(3,6)=SRC(4,5)=SRC(5,4)=SRC(6,3)=SRC(7,2)= (t9 + 2*t10 + t11 + 2) >> 2; SRC(3,7)=SRC(4,6)=SRC(5,5)=SRC(6,4)=SRC(7,3)= (t10 + 2*t11 + t12 + 2) >> 2; SRC(4,7)=SRC(5,6)=SRC(6,5)=SRC(7,4)= (t11 + 2*t12 + t13 + 2) >> 2; SRC(5,7)=SRC(6,6)=SRC(7,5)= (t12 + 2*t13 + t14 + 2) >> 2; SRC(6,7)=SRC(7,6)= (t13 + 2*t14 + t15 + 2) >> 2; SRC(7,7)= (t14 + 3*t15 + 2) >> 2; }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/h264pred.c/#L843
d2a_code_data_45696
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"); ffmpeg_exit(1); } } enc = ost->st->codec; if (enc->codec_type == AVMEDIA_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/f4c79d1e0b2e797012304db57903e4091b0c2d7c/ffmpeg.c/#L1305
d2a_code_data_45697
void avformat_free_context(AVFormatContext *s) { int i, j; AVStream *st; if (!s) return; av_opt_free(s); if (s->iformat && s->iformat->priv_class && s->priv_data) av_opt_free(s->priv_data); for (i = 0; i < s->nb_streams; i++) { st = s->streams[i]; for (j = 0; j < st->nb_side_data; j++) av_freep(&st->side_data[j].data); av_freep(&st->side_data); st->nb_side_data = 0; if (st->parser) { av_parser_close(st->parser); } if (st->attached_pic.data) av_free_packet(&st->attached_pic); av_dict_free(&st->metadata); av_freep(&st->probe_data.buf); av_free(st->index_entries); av_free(st->codec->extradata); av_free(st->codec->subtitle_header); av_free(st->codec); av_free(st->priv_data); av_free(st->info); av_free(st); } for (i = s->nb_programs - 1; i >= 0; i--) { av_dict_free(&s->programs[i]->metadata); av_freep(&s->programs[i]->stream_index); av_freep(&s->programs[i]); } av_freep(&s->programs); av_freep(&s->priv_data); while (s->nb_chapters--) { av_dict_free(&s->chapters[s->nb_chapters]->metadata); av_free(s->chapters[s->nb_chapters]); } av_freep(&s->chapters); av_dict_free(&s->metadata); av_freep(&s->streams); av_freep(&s->internal); av_free(s); }
https://github.com/libav/libav/blob/2dbd35b00c6433e587d5f44d5dbc8972ebbaa88e/libavformat/utils.c/#L2468
d2a_code_data_45698
static unsigned int BN_STACK_pop(BN_STACK *st) { return st->indexes[--(st->depth)]; }
https://github.com/openssl/openssl/blob/4af793036f6ef4f0a1078e5d7155426a98d50e37/crypto/bn/bn_ctx.c/#L353
d2a_code_data_45699
static dav_error * dav_validate_resource_state(apr_pool_t *p, const dav_resource *resource, dav_lockdb *lockdb, const dav_if_header *if_header, int flags, dav_buffer *pbuf, request_rec *r) { dav_error *err; const char *uri; const char *etag; const dav_hooks_locks *locks_hooks = (lockdb ? lockdb->hooks : NULL); const dav_if_header *ifhdr_scan; dav_if_state_list *state_list; dav_lock *lock_list; dav_lock *lock; int num_matched; int num_that_apply; int seen_locktoken; apr_size_t uri_len; const char *reason = NULL; if (lockdb == NULL) { lock_list = NULL; } else { if ((err = dav_lock_query(lockdb, resource, &lock_list)) != NULL) { return dav_push_error(p, HTTP_INTERNAL_SERVER_ERROR, 0, "The locks could not be queried for " "verification against a possible \"If:\" " "header.", err); } } if (flags & DAV_LOCKSCOPE_EXCLUSIVE) { if (lock_list != NULL) { return dav_new_error(p, HTTP_LOCKED, 0, 0, "Existing lock(s) on the requested resource " "prevent an exclusive lock."); } seen_locktoken = 1; } else if (flags & DAV_LOCKSCOPE_SHARED) { for (lock = lock_list; lock != NULL; lock = lock->next) { if (lock->scope == DAV_LOCKSCOPE_EXCLUSIVE) { return dav_new_error(p, HTTP_LOCKED, 0, 0, "The requested resource is already " "locked exclusively."); } } seen_locktoken = 1; } else { seen_locktoken = (lock_list == NULL); } if (if_header == NULL) { if (seen_locktoken) return NULL; return dav_new_error(p, HTTP_LOCKED, 0, 0, "This resource is locked and an \"If:\" header " "was not supplied to allow access to the " "resource."); } if (lock_list == NULL && if_header->dummy_header) { if (flags & DAV_VALIDATE_IS_PARENT) return NULL; return dav_new_error(p, HTTP_BAD_REQUEST, 0, 0, "The locktoken specified in the \"Lock-Token:\" " "header is invalid because this resource has no " "outstanding locks."); } uri = resource->uri; uri_len = strlen(uri); if (uri[uri_len - 1] == '/') { dav_set_bufsize(p, pbuf, uri_len); memcpy(pbuf->buf, uri, uri_len); pbuf->buf[--uri_len] = '\0'; uri = pbuf->buf; } etag = (*resource->hooks->getetag)(resource); num_that_apply = 0; for (ifhdr_scan = if_header; ifhdr_scan != NULL; ifhdr_scan = ifhdr_scan->next) { if (ifhdr_scan->uri != NULL && (uri_len != ifhdr_scan->uri_len || memcmp(uri, ifhdr_scan->uri, uri_len) != 0)) { continue; } ++num_that_apply; for (state_list = ifhdr_scan->state; state_list != NULL; state_list = state_list->next) { switch(state_list->type) { case dav_if_etag: { const char *given_etag, *current_etag; int mismatch; if (state_list->etag[0] == 'W' && state_list->etag[1] == '/') { given_etag = state_list->etag + 2; } else { given_etag = state_list->etag; } if (etag[0] == 'W' && etag[1] == '/') { current_etag = etag + 2; } else { current_etag = etag; } mismatch = strcmp(given_etag, current_etag); if (state_list->condition == DAV_IF_COND_NORMAL && mismatch) { reason = "an entity-tag was specified, but the resource's " "actual ETag does not match."; goto state_list_failed; } else if (state_list->condition == DAV_IF_COND_NOT && !mismatch) { reason = "an entity-tag was specified using the \"Not\" form, " "but the resource's actual ETag matches the provided " "entity-tag."; goto state_list_failed; } break; } case dav_if_opaquelock: if (lockdb == NULL) { if (state_list->condition == DAV_IF_COND_NOT) { continue; } reason = "a State-token was supplied, but a lock database " "is not available for to provide the required lock."; goto state_list_failed; } num_matched = 0; for (lock = lock_list; lock != NULL; lock = lock->next) { if ((*locks_hooks->compare_locktoken)(state_list->locktoken, lock->locktoken)) { continue; } seen_locktoken = 1; if (state_list->condition == DAV_IF_COND_NOT) { reason = "a State-token was supplied, which used a " "\"Not\" condition. The State-token was found " "in the locks on this resource"; goto state_list_failed; } if (lock->auth_user && (!r->user || strcmp(lock->auth_user, r->user))) { const char *errmsg; errmsg = apr_pstrcat(p, "User \"", r->user, "\" submitted a locktoken created " "by user \"", lock->auth_user, "\".", NULL); return dav_new_error(p, HTTP_FORBIDDEN, 0, 0, errmsg); } num_matched = 1; break; } if (num_matched == 0 && state_list->condition == DAV_IF_COND_NORMAL) { reason = "a State-token was supplied, but it was not found " "in the locks on this resource."; goto state_list_failed; } break; case dav_if_unknown: if (state_list->condition == DAV_IF_COND_NORMAL) { reason = "an unknown state token was supplied"; goto state_list_failed; } break; } } if (seen_locktoken) { return NULL; } break; state_list_failed: ; } if (ifhdr_scan == NULL) { if (num_that_apply == 0) { if (seen_locktoken) return NULL; if (dav_find_submitted_locktoken(if_header, lock_list, locks_hooks)) { return NULL; } return dav_new_error(p, HTTP_LOCKED, 0 , 0, "This resource is locked and the \"If:\" " "header did not specify one of the " "locktokens for this resource's lock(s)."); } if (if_header->dummy_header) { return dav_new_error(p, HTTP_BAD_REQUEST, 0, 0, "The locktoken specified in the " "\"Lock-Token:\" header did not specify one " "of this resource's locktoken(s)."); } if (reason == NULL) { return dav_new_error(p, HTTP_PRECONDITION_FAILED, 0, 0, "The preconditions specified by the \"If:\" " "header did not match this resource."); } return dav_new_error(p, HTTP_PRECONDITION_FAILED, 0, 0, apr_psprintf(p, "The precondition(s) specified by " "the \"If:\" header did not match " "this resource. At least one " "failure is because: %s", reason)); } if (dav_find_submitted_locktoken(if_header, lock_list, locks_hooks)) { return NULL; } if (if_header->dummy_header) { return dav_new_error(p, HTTP_BAD_REQUEST, 0, 0, "The locktoken specified in the " "\"Lock-Token:\" header did not specify one " "of this resource's locktoken(s)."); } return dav_new_error(p, HTTP_LOCKED, 1 , 0, "This resource is locked and the \"If:\" header " "did not specify one of the " "locktokens for this resource's lock(s)."); }
https://github.com/apache/httpd/blob/8b2ec33ac5d314be345814db08e194ffeda6beb0/modules/dav/main/util.c/#L989
d2a_code_data_45700
void ff_celp_circ_addf(float *out, const float *in, const float *lagged, int lag, float fac, int n) { int k; for (k = 0; k < lag; k++) out[k] = in[k] + fac * lagged[n + k - lag]; for (; k < n; k++) out[k] = in[k] + fac * lagged[ k - lag]; }
https://github.com/libav/libav/blob/2ba65879b5853b49bbefb75346fd73c8645bccea/libavcodec/celp_filters.c/#L53
d2a_code_data_45701
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/#L113
d2a_code_data_45702
static void print_key_details(BIO *out, EVP_PKEY *key) { int keyid = EVP_PKEY_id(key); #ifndef OPENSSL_NO_EC if (keyid == EVP_PKEY_EC) { EC_KEY *ec = EVP_PKEY_get1_EC_KEY(key); int nid; const char *cname; nid = EC_GROUP_get_curve_name(EC_KEY_get0_group(ec)); EC_KEY_free(ec); cname = EC_curve_nid2nist(nid); if (!cname) cname = OBJ_nid2sn(nid); BIO_printf(out, "%d bits EC (%s)", EVP_PKEY_bits(key), cname); } else #endif { const char *algname; switch (keyid) { case EVP_PKEY_RSA: algname = "RSA"; break; case EVP_PKEY_DSA: algname = "DSA"; break; case EVP_PKEY_DH: algname = "DH"; break; default: algname = OBJ_nid2sn(keyid); break; } BIO_printf(out, "%d bits %s", EVP_PKEY_bits(key), algname); } }
https://github.com/openssl/openssl/blob/57ce7b617c602ae8513c22daa2bda31f179edb0f/test/ssltest.c/#L842
d2a_code_data_45703
static int do_decode(AVCodecContext *avctx, AVPacket *pkt) { int got_frame; int ret; av_assert0(!avctx->internal->buffer_frame->buf[0]); if (!pkt) pkt = avctx->internal->buffer_pkt; avctx->refcounted_frames = 1; if (avctx->internal->draining_done) return AVERROR_EOF; if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) { ret = avcodec_decode_video2(avctx, avctx->internal->buffer_frame, &got_frame, pkt); if (ret >= 0) ret = pkt->size; } else if (avctx->codec_type == AVMEDIA_TYPE_AUDIO) { ret = avcodec_decode_audio4(avctx, avctx->internal->buffer_frame, &got_frame, pkt); } else { ret = AVERROR(EINVAL); } if (ret < 0) return ret; if (avctx->internal->draining && !got_frame) avctx->internal->draining_done = 1; if (ret >= pkt->size) { av_packet_unref(avctx->internal->buffer_pkt); } else { int consumed = ret; if (pkt != avctx->internal->buffer_pkt) { av_packet_unref(avctx->internal->buffer_pkt); if ((ret = av_packet_ref(avctx->internal->buffer_pkt, pkt)) < 0) return ret; } avctx->internal->buffer_pkt->data += consumed; avctx->internal->buffer_pkt->size -= consumed; avctx->internal->buffer_pkt->pts = AV_NOPTS_VALUE; avctx->internal->buffer_pkt->dts = AV_NOPTS_VALUE; } if (got_frame) av_assert0(avctx->internal->buffer_frame->buf[0]); return 0; }
https://github.com/libav/libav/blob/d0c84c41d33ffd270d5f9fe0290e08341397fdee/libavcodec/utils.c/#L1753
d2a_code_data_45704
void ff_mpa_synth_filter(MPA_INT *synth_buf_ptr, int *synth_buf_offset, MPA_INT *window, int *dither_state, OUT_INT *samples, int incr, int32_t sb_samples[SBLIMIT]) { int32_t tmp[32]; register MPA_INT *synth_buf; register const MPA_INT *w, *w2, *p; int j, offset, v; OUT_INT *samples2; #if FRAC_BITS <= 15 int sum, sum2; #else int64_t sum, sum2; #endif dct32(tmp, sb_samples); offset = *synth_buf_offset; synth_buf = synth_buf_ptr + offset; for(j=0;j<32;j++) { v = tmp[j]; #if FRAC_BITS <= 15 v = av_clip_int16(v); #endif synth_buf[j] = v; } memcpy(synth_buf + 512, synth_buf, 32 * sizeof(MPA_INT)); samples2 = samples + 31 * incr; w = window; w2 = window + 31; sum = *dither_state; p = synth_buf + 16; SUM8(sum, +=, w, p); p = synth_buf + 48; SUM8(sum, -=, w + 32, p); *samples = round_sample(&sum); samples += incr; w++; for(j=1;j<16;j++) { sum2 = 0; p = synth_buf + 16 + j; SUM8P2(sum, +=, sum2, -=, w, w2, p); p = synth_buf + 48 - j; SUM8P2(sum, -=, sum2, -=, w + 32, w2 + 32, p); *samples = round_sample(&sum); samples += incr; sum += sum2; *samples2 = round_sample(&sum); samples2 -= incr; w++; w2--; } p = synth_buf + 32; SUM8(sum, -=, w + 32, p); *samples = round_sample(&sum); *dither_state= sum; offset = (offset - 32) & 511; *synth_buf_offset = offset; }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/mpegaudiodec.c/#L899
d2a_code_data_45705
int ssl3_get_cert_verify(SSL *s) { EVP_PKEY *pkey = NULL; unsigned char *sig, *data; int al, ok, ret = 0; long n; int type = 0, i, j; unsigned int len; X509 *peer; const EVP_MD *md = NULL; EVP_MD_CTX mctx; PACKET pkt; EVP_MD_CTX_init(&mctx); if (s->session->peer == NULL) { ret = 1; goto end; } n = s->method->ssl_get_message(s, SSL3_ST_SR_CERT_VRFY_A, SSL3_ST_SR_CERT_VRFY_B, SSL3_MT_CERTIFICATE_VERIFY, SSL3_RT_MAX_PLAIN_LENGTH, &ok); if (!ok) return ((int)n); peer = s->session->peer; pkey = X509_get_pubkey(peer); type = X509_certificate_type(peer, pkey); if (!(type & EVP_PKT_SIGN)) { SSLerr(SSL_F_SSL3_GET_CERT_VERIFY, SSL_R_SIGNATURE_FOR_NON_SIGNING_CERTIFICATE); al = SSL_AD_ILLEGAL_PARAMETER; goto f_err; } if (!PACKET_buf_init(&pkt, s->init_msg, n)) { SSLerr(SSL_F_SSL3_GET_CERT_VERIFY, ERR_R_INTERNAL_ERROR); al = SSL_AD_INTERNAL_ERROR; goto f_err; } if (n == 64 && pkey->type == NID_id_GostR3410_2001) { len = 64; } else { if (SSL_USE_SIGALGS(s)) { int rv; if (!PACKET_get_bytes(&pkt, &sig, 2)) { al = SSL_AD_DECODE_ERROR; goto f_err; } rv = tls12_check_peer_sigalg(&md, s, sig, pkey); if (rv == -1) { al = SSL_AD_INTERNAL_ERROR; goto f_err; } else if (rv == 0) { al = SSL_AD_DECODE_ERROR; goto f_err; } #ifdef SSL_DEBUG fprintf(stderr, "USING TLSv1.2 HASH %s\n", EVP_MD_name(md)); #endif } if (!PACKET_get_net_2(&pkt, &len)) { SSLerr(SSL_F_SSL3_GET_CERT_VERIFY, SSL_R_LENGTH_MISMATCH); al = SSL_AD_DECODE_ERROR; goto f_err; } } j = EVP_PKEY_size(pkey); if (((int)len > j) || ((int)PACKET_remaining(&pkt) > j) || (n <= 0)) { SSLerr(SSL_F_SSL3_GET_CERT_VERIFY, SSL_R_WRONG_SIGNATURE_SIZE); al = SSL_AD_DECODE_ERROR; goto f_err; } if (!PACKET_get_bytes(&pkt, &data, len)) { SSLerr(SSL_F_SSL3_GET_CERT_VERIFY, SSL_R_LENGTH_MISMATCH); al = SSL_AD_DECODE_ERROR; goto f_err; } if (SSL_USE_SIGALGS(s)) { long hdatalen = 0; void *hdata; hdatalen = BIO_get_mem_data(s->s3->handshake_buffer, &hdata); if (hdatalen <= 0) { SSLerr(SSL_F_SSL3_GET_CERT_VERIFY, ERR_R_INTERNAL_ERROR); al = SSL_AD_INTERNAL_ERROR; goto f_err; } #ifdef SSL_DEBUG fprintf(stderr, "Using TLS 1.2 with client verify alg %s\n", EVP_MD_name(md)); #endif if (!EVP_VerifyInit_ex(&mctx, md, NULL) || !EVP_VerifyUpdate(&mctx, hdata, hdatalen)) { SSLerr(SSL_F_SSL3_GET_CERT_VERIFY, ERR_R_EVP_LIB); al = SSL_AD_INTERNAL_ERROR; goto f_err; } if (EVP_VerifyFinal(&mctx, data, len, pkey) <= 0) { al = SSL_AD_DECRYPT_ERROR; SSLerr(SSL_F_SSL3_GET_CERT_VERIFY, SSL_R_BAD_SIGNATURE); goto f_err; } } else #ifndef OPENSSL_NO_RSA if (pkey->type == EVP_PKEY_RSA) { i = RSA_verify(NID_md5_sha1, s->s3->tmp.cert_verify_md, MD5_DIGEST_LENGTH + SHA_DIGEST_LENGTH, data, len, pkey->pkey.rsa); if (i < 0) { al = SSL_AD_DECRYPT_ERROR; SSLerr(SSL_F_SSL3_GET_CERT_VERIFY, SSL_R_BAD_RSA_DECRYPT); goto f_err; } if (i == 0) { al = SSL_AD_DECRYPT_ERROR; SSLerr(SSL_F_SSL3_GET_CERT_VERIFY, SSL_R_BAD_RSA_SIGNATURE); goto f_err; } } else #endif #ifndef OPENSSL_NO_DSA if (pkey->type == EVP_PKEY_DSA) { j = DSA_verify(pkey->save_type, &(s->s3->tmp.cert_verify_md[MD5_DIGEST_LENGTH]), SHA_DIGEST_LENGTH, data, len, pkey->pkey.dsa); if (j <= 0) { al = SSL_AD_DECRYPT_ERROR; SSLerr(SSL_F_SSL3_GET_CERT_VERIFY, SSL_R_BAD_DSA_SIGNATURE); goto f_err; } } else #endif #ifndef OPENSSL_NO_EC if (pkey->type == EVP_PKEY_EC) { j = ECDSA_verify(pkey->save_type, &(s->s3->tmp.cert_verify_md[MD5_DIGEST_LENGTH]), SHA_DIGEST_LENGTH, data, len, pkey->pkey.ec); if (j <= 0) { al = SSL_AD_DECRYPT_ERROR; SSLerr(SSL_F_SSL3_GET_CERT_VERIFY, SSL_R_BAD_ECDSA_SIGNATURE); goto f_err; } } else #endif if (pkey->type == NID_id_GostR3410_2001) { unsigned char signature[64]; int idx; EVP_PKEY_CTX *pctx = EVP_PKEY_CTX_new(pkey, NULL); EVP_PKEY_verify_init(pctx); if (len != 64) { fprintf(stderr, "GOST signature length is %d", len); } for (idx = 0; idx < 64; idx++) { signature[63 - idx] = data[idx]; } j = EVP_PKEY_verify(pctx, signature, 64, s->s3->tmp.cert_verify_md, 32); EVP_PKEY_CTX_free(pctx); if (j <= 0) { al = SSL_AD_DECRYPT_ERROR; SSLerr(SSL_F_SSL3_GET_CERT_VERIFY, SSL_R_BAD_ECDSA_SIGNATURE); goto f_err; } } else { SSLerr(SSL_F_SSL3_GET_CERT_VERIFY, ERR_R_INTERNAL_ERROR); al = SSL_AD_UNSUPPORTED_CERTIFICATE; goto f_err; } ret = 1; if (0) { f_err: ssl3_send_alert(s, SSL3_AL_FATAL, al); s->state = SSL_ST_ERR; } end: BIO_free(s->s3->handshake_buffer); s->s3->handshake_buffer = NULL; EVP_MD_CTX_cleanup(&mctx); EVP_PKEY_free(pkey); return (ret); }
https://github.com/openssl/openssl/blob/eb647452eb73be491521980f45582c63f7194521/ssl/s3_srvr.c/#L2934
d2a_code_data_45706
static void BN_POOL_release(BN_POOL *p, unsigned int num) { unsigned int offset = (p->used - 1) % BN_CTX_POOL_SIZE; p->used -= num; while(num--) { bn_check_top(p->current->vals + offset); if(!offset) { offset = BN_CTX_POOL_SIZE - 1; p->current = p->current->prev; } else offset--; } }
https://github.com/openssl/openssl/blob/4af793036f6ef4f0a1078e5d7155426a98d50e37/crypto/bn/bn_ctx.c/#L440
d2a_code_data_45707
static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt) { AVFrame *frame = data; const uint8_t *buf = avpkt->data; int buf_size = avpkt->size; LclDecContext * const c = avctx->priv_data; unsigned int pixel_ptr; int row, col; unsigned char *encoded, *outptr; uint8_t *y_out, *u_out, *v_out; unsigned int width = avctx->width; unsigned int height = avctx->height; unsigned int mszh_dlen; unsigned char yq, y1q, uq, vq; int uqvq, ret; unsigned int mthread_inlen, mthread_outlen; unsigned int len = buf_size; if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) { av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n"); return ret; } outptr = frame->data[0]; switch (avctx->codec_id) { case AV_CODEC_ID_MSZH: switch (c->compression) { case COMP_MSZH: if (c->flags & FLAG_MULTITHREAD) { mthread_inlen = AV_RL32(buf); mthread_inlen = FFMIN(mthread_inlen, len - 8); mthread_outlen = AV_RL32(buf + 4); mthread_outlen = FFMIN(mthread_outlen, c->decomp_size); mszh_dlen = mszh_decomp(buf + 8, mthread_inlen, c->decomp_buf, c->decomp_size); if (mthread_outlen != mszh_dlen) { av_log(avctx, AV_LOG_ERROR, "Mthread1 decoded size differs (%d != %d)\n", mthread_outlen, mszh_dlen); return AVERROR_INVALIDDATA; } mszh_dlen = mszh_decomp(buf + 8 + mthread_inlen, len - 8 - mthread_inlen, c->decomp_buf + mthread_outlen, c->decomp_size - mthread_outlen); if (mthread_outlen != mszh_dlen) { av_log(avctx, AV_LOG_ERROR, "Mthread2 decoded size differs (%d != %d)\n", mthread_outlen, mszh_dlen); return AVERROR_INVALIDDATA; } encoded = c->decomp_buf; len = c->decomp_size; } else { mszh_dlen = mszh_decomp(buf, len, c->decomp_buf, c->decomp_size); if (c->decomp_size != mszh_dlen) { av_log(avctx, AV_LOG_ERROR, "Decoded size differs (%d != %d)\n", c->decomp_size, mszh_dlen); return AVERROR_INVALIDDATA; } encoded = c->decomp_buf; len = mszh_dlen; } break; case COMP_MSZH_NOCOMP: { int bppx2; switch (c->imgtype) { case IMGTYPE_YUV111: case IMGTYPE_RGB24: bppx2 = 6; break; case IMGTYPE_YUV422: case IMGTYPE_YUV211: bppx2 = 4; break; case IMGTYPE_YUV411: case IMGTYPE_YUV420: bppx2 = 3; break; default: bppx2 = 0; break; } if (len < ((width * height * bppx2) >> 1)) return AVERROR_INVALIDDATA; break; } default: av_log(avctx, AV_LOG_ERROR, "BUG! Unknown MSZH compression in frame decoder.\n"); return AVERROR_INVALIDDATA; } break; #if CONFIG_ZLIB_DECODER case AV_CODEC_ID_ZLIB: if (c->compression == COMP_ZLIB_NORMAL && c->imgtype == IMGTYPE_RGB24 && len == width * height * 3) { if (c->flags & FLAG_PNGFILTER) { memcpy(c->decomp_buf, buf, len); encoded = c->decomp_buf; } else { break; } } else if (c->flags & FLAG_MULTITHREAD) { mthread_inlen = AV_RL32(buf); mthread_inlen = FFMIN(mthread_inlen, len - 8); mthread_outlen = AV_RL32(buf + 4); mthread_outlen = FFMIN(mthread_outlen, c->decomp_size); ret = zlib_decomp(avctx, buf + 8, mthread_inlen, 0, mthread_outlen); if (ret < 0) return ret; ret = zlib_decomp(avctx, buf + 8 + mthread_inlen, len - 8 - mthread_inlen, mthread_outlen, mthread_outlen); if (ret < 0) return ret; } else { int ret = zlib_decomp(avctx, buf, len, 0, c->decomp_size); if (ret < 0) return ret; } encoded = c->decomp_buf; len = c->decomp_size; break; #endif default: av_log(avctx, AV_LOG_ERROR, "BUG! Unknown codec in frame decoder compression switch.\n"); return AVERROR_INVALIDDATA; } if (avctx->codec_id == AV_CODEC_ID_ZLIB && (c->flags & FLAG_PNGFILTER)) { switch (c->imgtype) { case IMGTYPE_YUV111: case IMGTYPE_RGB24: for (row = 0; row < height; row++) { pixel_ptr = row * width * 3; yq = encoded[pixel_ptr++]; uqvq = AV_RL16(encoded+pixel_ptr); pixel_ptr += 2; for (col = 1; col < width; col++) { encoded[pixel_ptr] = yq -= encoded[pixel_ptr]; uqvq -= AV_RL16(encoded+pixel_ptr+1); AV_WL16(encoded+pixel_ptr+1, uqvq); pixel_ptr += 3; } } break; case IMGTYPE_YUV422: for (row = 0; row < height; row++) { pixel_ptr = row * width * 2; yq = uq = vq =0; for (col = 0; col < width/4; col++) { encoded[pixel_ptr] = yq -= encoded[pixel_ptr]; encoded[pixel_ptr+1] = yq -= encoded[pixel_ptr+1]; encoded[pixel_ptr+2] = yq -= encoded[pixel_ptr+2]; encoded[pixel_ptr+3] = yq -= encoded[pixel_ptr+3]; encoded[pixel_ptr+4] = uq -= encoded[pixel_ptr+4]; encoded[pixel_ptr+5] = uq -= encoded[pixel_ptr+5]; encoded[pixel_ptr+6] = vq -= encoded[pixel_ptr+6]; encoded[pixel_ptr+7] = vq -= encoded[pixel_ptr+7]; pixel_ptr += 8; } } break; case IMGTYPE_YUV411: for (row = 0; row < height; row++) { pixel_ptr = row * width / 2 * 3; yq = uq = vq =0; for (col = 0; col < width/4; col++) { encoded[pixel_ptr] = yq -= encoded[pixel_ptr]; encoded[pixel_ptr+1] = yq -= encoded[pixel_ptr+1]; encoded[pixel_ptr+2] = yq -= encoded[pixel_ptr+2]; encoded[pixel_ptr+3] = yq -= encoded[pixel_ptr+3]; encoded[pixel_ptr+4] = uq -= encoded[pixel_ptr+4]; encoded[pixel_ptr+5] = vq -= encoded[pixel_ptr+5]; pixel_ptr += 6; } } break; case IMGTYPE_YUV211: for (row = 0; row < height; row++) { pixel_ptr = row * width * 2; yq = uq = vq =0; for (col = 0; col < width/2; col++) { encoded[pixel_ptr] = yq -= encoded[pixel_ptr]; encoded[pixel_ptr+1] = yq -= encoded[pixel_ptr+1]; encoded[pixel_ptr+2] = uq -= encoded[pixel_ptr+2]; encoded[pixel_ptr+3] = vq -= encoded[pixel_ptr+3]; pixel_ptr += 4; } } break; case IMGTYPE_YUV420: for (row = 0; row < height/2; row++) { pixel_ptr = row * width * 3; yq = y1q = uq = vq =0; for (col = 0; col < width/2; col++) { encoded[pixel_ptr] = yq -= encoded[pixel_ptr]; encoded[pixel_ptr+1] = yq -= encoded[pixel_ptr+1]; encoded[pixel_ptr+2] = y1q -= encoded[pixel_ptr+2]; encoded[pixel_ptr+3] = y1q -= encoded[pixel_ptr+3]; encoded[pixel_ptr+4] = uq -= encoded[pixel_ptr+4]; encoded[pixel_ptr+5] = vq -= encoded[pixel_ptr+5]; pixel_ptr += 6; } } break; default: av_log(avctx, AV_LOG_ERROR, "BUG! Unknown imagetype in pngfilter switch.\n"); return AVERROR_INVALIDDATA; } } y_out = frame->data[0] + (height - 1) * frame->linesize[0]; u_out = frame->data[1] + (height - 1) * frame->linesize[1]; v_out = frame->data[2] + (height - 1) * frame->linesize[2]; switch (c->imgtype) { case IMGTYPE_YUV111: for (row = 0; row < height; row++) { for (col = 0; col < width; col++) { y_out[col] = *encoded++; u_out[col] = *encoded++ + 128; v_out[col] = *encoded++ + 128; } y_out -= frame->linesize[0]; u_out -= frame->linesize[1]; v_out -= frame->linesize[2]; } break; case IMGTYPE_YUV422: for (row = 0; row < height; row++) { for (col = 0; col < width - 3; col += 4) { memcpy(y_out + col, encoded, 4); encoded += 4; u_out[ col >> 1 ] = *encoded++ + 128; u_out[(col >> 1) + 1] = *encoded++ + 128; v_out[ col >> 1 ] = *encoded++ + 128; v_out[(col >> 1) + 1] = *encoded++ + 128; } y_out -= frame->linesize[0]; u_out -= frame->linesize[1]; v_out -= frame->linesize[2]; } break; case IMGTYPE_RGB24: for (row = height - 1; row >= 0; row--) { pixel_ptr = row * frame->linesize[0]; memcpy(outptr + pixel_ptr, encoded, 3 * width); encoded += 3 * width; } break; case IMGTYPE_YUV411: for (row = 0; row < height; row++) { for (col = 0; col < width - 3; col += 4) { memcpy(y_out + col, encoded, 4); encoded += 4; u_out[col >> 2] = *encoded++ + 128; v_out[col >> 2] = *encoded++ + 128; } y_out -= frame->linesize[0]; u_out -= frame->linesize[1]; v_out -= frame->linesize[2]; } break; case IMGTYPE_YUV211: for (row = 0; row < height; row++) { for (col = 0; col < width - 1; col += 2) { memcpy(y_out + col, encoded, 2); encoded += 2; u_out[col >> 1] = *encoded++ + 128; v_out[col >> 1] = *encoded++ + 128; } y_out -= frame->linesize[0]; u_out -= frame->linesize[1]; v_out -= frame->linesize[2]; } break; case IMGTYPE_YUV420: u_out = frame->data[1] + ((height >> 1) - 1) * frame->linesize[1]; v_out = frame->data[2] + ((height >> 1) - 1) * frame->linesize[2]; for (row = 0; row < height - 1; row += 2) { for (col = 0; col < width - 1; col += 2) { memcpy(y_out + col, encoded, 2); encoded += 2; memcpy(y_out + col - frame->linesize[0], encoded, 2); encoded += 2; u_out[col >> 1] = *encoded++ + 128; v_out[col >> 1] = *encoded++ + 128; } y_out -= frame->linesize[0] << 1; u_out -= frame->linesize[1]; v_out -= frame->linesize[2]; } break; default: av_log(avctx, AV_LOG_ERROR, "BUG! Unknown imagetype in image decoder.\n"); return AVERROR_INVALIDDATA; } *got_frame = 1; return buf_size; }
https://github.com/libav/libav/blob/fbc0b8659967ea54a8472b5f795270d38bb085dd/libavcodec/lcldec.c/#L377
d2a_code_data_45708
static unsigned int BN_STACK_pop(BN_STACK *st) { return st->indexes[--(st->depth)]; }
https://github.com/openssl/openssl/blob/fff684168c7923aa85e6b4381d71d933396e32b0/crypto/bn/bn_ctx.c/#L268
d2a_code_data_45709
static int ctr_BCC_final(RAND_DRBG_CTR *ctr) { if (ctr->bltmp_pos) { memset(ctr->bltmp + ctr->bltmp_pos, 0, 16 - ctr->bltmp_pos); if (!ctr_BCC_blocks(ctr, ctr->bltmp)) return 0; } return 1; }
https://github.com/openssl/openssl/blob/e613b1eff40f21cd99240f9884cd3396b0ab50f1/crypto/rand/drbg_ctr.c/#L158
d2a_code_data_45710
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_45711
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/#L1169
d2a_code_data_45712
static int ssl_cipher_process_rulestr(const char *rule_str, CIPHER_ORDER **head_p, CIPHER_ORDER **tail_p, const SSL_CIPHER **ca_list, CERT *c) { uint32_t alg_mkey, alg_auth, alg_enc, alg_mac, algo_strength; int min_tls; const char *l, *buf; int j, multi, found, rule, retval, ok, buflen; uint32_t cipher_id = 0; char ch; retval = 1; l = rule_str; for ( ; ; ) { ch = *l; if (ch == '\0') break; if (ch == '-') { rule = CIPHER_DEL; l++; } else if (ch == '+') { rule = CIPHER_ORD; l++; } else if (ch == '!') { rule = CIPHER_KILL; l++; } else if (ch == '@') { rule = CIPHER_SPECIAL; l++; } else { rule = CIPHER_ADD; } if (ITEM_SEP(ch)) { l++; continue; } alg_mkey = 0; alg_auth = 0; alg_enc = 0; alg_mac = 0; min_tls = 0; algo_strength = 0; for (;;) { ch = *l; buf = l; buflen = 0; #ifndef CHARSET_EBCDIC while (((ch >= 'A') && (ch <= 'Z')) || ((ch >= '0') && (ch <= '9')) || ((ch >= 'a') && (ch <= 'z')) || (ch == '-') || (ch == '.') || (ch == '=')) #else while (isalnum((unsigned char)ch) || (ch == '-') || (ch == '.') || (ch == '=')) #endif { ch = *(++l); buflen++; } if (buflen == 0) { SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR, SSL_R_INVALID_COMMAND); retval = found = 0; l++; break; } if (rule == CIPHER_SPECIAL) { found = 0; break; } if (ch == '+') { multi = 1; l++; } else { multi = 0; } j = found = 0; cipher_id = 0; while (ca_list[j]) { if (strncmp(buf, ca_list[j]->name, buflen) == 0 && (ca_list[j]->name[buflen] == '\0')) { found = 1; break; } else j++; } if (!found) break; if (ca_list[j]->algorithm_mkey) { if (alg_mkey) { alg_mkey &= ca_list[j]->algorithm_mkey; if (!alg_mkey) { found = 0; break; } } else { alg_mkey = ca_list[j]->algorithm_mkey; } } if (ca_list[j]->algorithm_auth) { if (alg_auth) { alg_auth &= ca_list[j]->algorithm_auth; if (!alg_auth) { found = 0; break; } } else { alg_auth = ca_list[j]->algorithm_auth; } } if (ca_list[j]->algorithm_enc) { if (alg_enc) { alg_enc &= ca_list[j]->algorithm_enc; if (!alg_enc) { found = 0; break; } } else { alg_enc = ca_list[j]->algorithm_enc; } } if (ca_list[j]->algorithm_mac) { if (alg_mac) { alg_mac &= ca_list[j]->algorithm_mac; if (!alg_mac) { found = 0; break; } } else { alg_mac = ca_list[j]->algorithm_mac; } } if (ca_list[j]->algo_strength & SSL_STRONG_MASK) { if (algo_strength & SSL_STRONG_MASK) { algo_strength &= (ca_list[j]->algo_strength & SSL_STRONG_MASK) | ~SSL_STRONG_MASK; if (!(algo_strength & SSL_STRONG_MASK)) { found = 0; break; } } else { algo_strength = ca_list[j]->algo_strength & SSL_STRONG_MASK; } } if (ca_list[j]->algo_strength & SSL_DEFAULT_MASK) { if (algo_strength & SSL_DEFAULT_MASK) { algo_strength &= (ca_list[j]->algo_strength & SSL_DEFAULT_MASK) | ~SSL_DEFAULT_MASK; if (!(algo_strength & SSL_DEFAULT_MASK)) { found = 0; break; } } else { algo_strength |= ca_list[j]->algo_strength & SSL_DEFAULT_MASK; } } if (ca_list[j]->valid) { cipher_id = ca_list[j]->id; } else { if (ca_list[j]->min_tls) { if (min_tls != 0 && min_tls != ca_list[j]->min_tls) { found = 0; break; } else { min_tls = ca_list[j]->min_tls; } } } if (!multi) break; } if (rule == CIPHER_SPECIAL) { ok = 0; if ((buflen == 8) && strncmp(buf, "STRENGTH", 8) == 0) { ok = ssl_cipher_strength_sort(head_p, tail_p); } else if (buflen == 10 && strncmp(buf, "SECLEVEL=", 9) == 0) { int level = buf[9] - '0'; if (level < 0 || level > 5) { SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR, SSL_R_INVALID_COMMAND); } else { c->sec_level = level; ok = 1; } } else { SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR, SSL_R_INVALID_COMMAND); } if (ok == 0) retval = 0; while ((*l != '\0') && !ITEM_SEP(*l)) l++; } else if (found) { ssl_cipher_apply_rule(cipher_id, alg_mkey, alg_auth, alg_enc, alg_mac, min_tls, algo_strength, rule, -1, head_p, tail_p); } else { while ((*l != '\0') && !ITEM_SEP(*l)) l++; } if (*l == '\0') break; } return retval; }
https://github.com/openssl/openssl/blob/4845aeba4c49e1bd65259a5014d7e3ab38657d42/ssl/ssl_ciph.c/#L1185
d2a_code_data_45713
void *OPENSSL_LH_delete(OPENSSL_LHASH *lh, const void *data) { unsigned long hash; OPENSSL_LH_NODE *nn, **rn; void *ret; lh->error = 0; rn = getrn(lh, data, &hash); if (*rn == NULL) { lh->num_no_delete++; return (NULL); } else { nn = *rn; *rn = nn->next; ret = nn->data; OPENSSL_free(nn); lh->num_delete++; } lh->num_items--; if ((lh->num_nodes > MIN_NODES) && (lh->down_load >= (lh->num_items * LH_LOAD_MULT / lh->num_nodes))) contract(lh); return (ret); }
https://github.com/openssl/openssl/blob/2a7de0fd5d9baf946ef4d2c51096b04dd47a8143/crypto/lhash/lhash.c/#L123
d2a_code_data_45714
static int is_hwaccel_pix_fmt(enum AVPixelFormat pix_fmt) { const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt); return desc->flags & AV_PIX_FMT_FLAG_HWACCEL; }
https://github.com/libav/libav/blob/3fe2a01df7f2c193805809f57b61d79607572351/libavcodec/decode.c/#L422
d2a_code_data_45715
static int val_in_array(const int *arr, int len, int val) { int i; for (i = 0; i < len; i++) if (arr[i] == val) return 1; return 0; }
https://github.com/libav/libav/blob/8652a2c24836ce5546b398f12b7fed45000050e1/libavcodec/extract_extradata_bsf.c/#L47
d2a_code_data_45716
static int ssl3_send_client_key_exchange(SSL *s) { unsigned char *p,*d; int n; unsigned long l; #ifndef NO_RSA unsigned char *q; EVP_PKEY *pkey=NULL; #endif #ifndef NO_KRB5 KSSL_ERR kssl_err; #endif if (s->state == SSL3_ST_CW_KEY_EXCH_A) { d=(unsigned char *)s->init_buf->data; p= &(d[4]); l=s->s3->tmp.new_cipher->algorithms; if (0) {} #ifndef NO_RSA else if (l & SSL_kRSA) { RSA *rsa; unsigned char tmp_buf[SSL_MAX_MASTER_KEY_LENGTH]; if (s->session->sess_cert->peer_rsa_tmp != NULL) rsa=s->session->sess_cert->peer_rsa_tmp; else { pkey=X509_get_pubkey(s->session->sess_cert->peer_pkeys[SSL_PKEY_RSA_ENC].x509); if ((pkey == NULL) || (pkey->type != EVP_PKEY_RSA) || (pkey->pkey.rsa == NULL)) { SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,SSL_R_INTERNAL_ERROR); goto err; } rsa=pkey->pkey.rsa; EVP_PKEY_free(pkey); } tmp_buf[0]=s->client_version>>8; tmp_buf[1]=s->client_version&0xff; if (RAND_bytes(&(tmp_buf[2]),SSL_MAX_MASTER_KEY_LENGTH-2) <= 0) goto err; s->session->master_key_length=SSL_MAX_MASTER_KEY_LENGTH; q=p; if (s->version > SSL3_VERSION) p+=2; n=RSA_public_encrypt(SSL_MAX_MASTER_KEY_LENGTH, tmp_buf,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; } s->session->master_key_length= s->method->ssl3_enc->generate_master_secret(s, s->session->master_key, tmp_buf,SSL_MAX_MASTER_KEY_LENGTH); memset(tmp_buf,0,SSL_MAX_MASTER_KEY_LENGTH); } #endif #ifndef NO_KRB5 else if (l & SSL_kKRB5) { krb5_error_code krb5rc; KSSL_CTX *kssl_ctx = s->kssl_ctx; krb5_data krb5_ap_req; #ifdef KSSL_DEBUG printf("ssl3_send_client_key_exchange(%lx & %lx)\n", l, SSL_kKRB5); #endif krb5rc = kssl_cget_tkt(kssl_ctx, &krb5_ap_req, &kssl_err); #ifdef KSSL_DEBUG { printf("kssl_cget_tkt rtn %d\n", krb5rc); kssl_ctx_show(kssl_ctx); if (krb5rc && kssl_err.text) printf("kssl_cget_tkt kssl_err=%s\n", kssl_err.text); } #endif if (krb5rc) { ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_HANDSHAKE_FAILURE); SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, kssl_err.reason); goto err; } n = krb5_ap_req.length; memcpy(p, krb5_ap_req.data, krb5_ap_req.length); if (krb5_ap_req.data) kssl_krb5_free_data_contents(NULL,&krb5_ap_req); s->session->master_key_length= s->method->ssl3_enc->generate_master_secret(s, s->session->master_key, kssl_ctx->key,kssl_ctx->length); } #endif #ifndef NO_DH else if (l & (SSL_kEDH|SSL_kDHr|SSL_kDHd)) { DH *dh_srvr,*dh_clnt; if (s->session->sess_cert->peer_dh_tmp != NULL) dh_srvr=s->session->sess_cert->peer_dh_tmp; else { ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_HANDSHAKE_FAILURE); SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,SSL_R_UNABLE_TO_FIND_DH_PARAMETERS); goto err; } 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); goto err; } n=DH_compute_key(p,dh_srvr->pub_key,dh_clnt); if (n <= 0) { SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,ERR_R_DH_LIB); goto err; } s->session->master_key_length= s->method->ssl3_enc->generate_master_secret(s, s->session->master_key,p,n); memset(p,0,n); 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 else { ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_HANDSHAKE_FAILURE); SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,SSL_R_INTERNAL_ERROR); goto err; } *(d++)=SSL3_MT_CLIENT_KEY_EXCHANGE; l2n3(n,d); s->state=SSL3_ST_CW_KEY_EXCH_B; s->init_num=n+4; s->init_off=0; } return(ssl3_do_write(s,SSL3_RT_HANDSHAKE)); err: return(-1); }
https://github.com/openssl/openssl/blob/f9b3bff6f7e38960bb87a5623fbcbc45ee952c49/ssl/s3_clnt.c/#L1561
d2a_code_data_45717
static void opt_output_file(const char *filename) { AVFormatContext *oc; int use_video, use_audio, use_subtitle; int input_has_video, input_has_audio, input_has_subtitle; AVFormatParameters params, *ap = &params; if (!strcmp(filename, "-")) filename = "pipe:"; oc = avformat_alloc_context(); if (!file_oformat) { file_oformat = guess_format(NULL, filename, NULL); if (!file_oformat) { fprintf(stderr, "Unable to find a suitable output format for '%s'\n", filename); av_exit(1); } } oc->oformat = file_oformat; av_strlcpy(oc->filename, filename, sizeof(oc->filename)); if (!strcmp(file_oformat->name, "ffm") && av_strstart(filename, "http:", NULL)) { int err = read_ffserver_streams(oc, filename); if (err < 0) { print_error(filename, err); av_exit(1); } } else { use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name; use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name; use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name; if (nb_input_files > 0) { check_audio_video_sub_inputs(&input_has_video, &input_has_audio, &input_has_subtitle); if (!input_has_video) use_video = 0; if (!input_has_audio) use_audio = 0; if (!input_has_subtitle) use_subtitle = 0; } if (audio_disable) { use_audio = 0; } if (video_disable) { use_video = 0; } if (subtitle_disable) { use_subtitle = 0; } if (use_video) { new_video_stream(oc); } if (use_audio) { new_audio_stream(oc); } if (use_subtitle) { new_subtitle_stream(oc); } oc->timestamp = rec_timestamp; for(; metadata_count>0; metadata_count--){ av_metadata_set(&oc->metadata, metadata[metadata_count-1].key, metadata[metadata_count-1].value); } av_metadata_conv(oc, oc->oformat->metadata_conv, NULL); } output_files[nb_output_files++] = oc; if (oc->oformat->flags & AVFMT_NEEDNUMBER) { if (!av_filename_number_test(oc->filename)) { print_error(oc->filename, AVERROR_NUMEXPECTED); av_exit(1); } } if (!(oc->oformat->flags & AVFMT_NOFILE)) { if (!file_overwrite && (strchr(filename, ':') == NULL || filename[1] == ':' || av_strstart(filename, "file:", NULL))) { if (url_exist(filename)) { int c; if (!using_stdin) { fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename); fflush(stderr); c = getchar(); if (toupper(c) != 'Y') { fprintf(stderr, "Not overwriting - exiting\n"); av_exit(1); } } else { fprintf(stderr,"File '%s' already exists. Exiting.\n", filename); av_exit(1); } } } if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) { fprintf(stderr, "Could not open '%s'\n", filename); av_exit(1); } } memset(ap, 0, sizeof(*ap)); if (av_set_parameters(oc, ap) < 0) { fprintf(stderr, "%s: Invalid encoding parameters\n", oc->filename); av_exit(1); } oc->preload= (int)(mux_preload*AV_TIME_BASE); oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE); oc->loop_output = loop_output; set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM); file_oformat = NULL; file_iformat = NULL; }
https://github.com/libav/libav/blob/9aaa2077e5879b153d2ce6bea2e42f0c349a083f/ffmpeg.c/#L3271
d2a_code_data_45718
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/7ff018c1cb43a5fe5ee2049d325cdd785852067a/libavcodec/bitstream.h/#L237
d2a_code_data_45719
int ASYNC_init_thread(size_t max_size, size_t init_size) { async_pool *pool; size_t curr_size = 0; if (init_size > max_size) { ASYNCerr(ASYNC_F_ASYNC_INIT_THREAD, ASYNC_R_INVALID_POOL_SIZE); return 0; } if (!async_local_init()) { ASYNCerr(ASYNC_F_ASYNC_INIT_THREAD, ASYNC_R_INIT_FAILED); return 0; } pool = OPENSSL_zalloc(sizeof *pool); if (pool == NULL) { ASYNCerr(ASYNC_F_ASYNC_INIT_THREAD, ERR_R_MALLOC_FAILURE); return 0; } pool->jobs = sk_ASYNC_JOB_new_null(); if (pool->jobs == NULL) { ASYNCerr(ASYNC_F_ASYNC_INIT_THREAD, ERR_R_MALLOC_FAILURE); OPENSSL_free(pool); return 0; } pool->max_size = max_size; while (init_size--) { ASYNC_JOB *job; job = async_job_new(); if (job == NULL || !async_fibre_makecontext(&job->fibrectx)) { async_job_free(job); break; } job->funcargs = NULL; sk_ASYNC_JOB_push(pool->jobs, job); curr_size++; } pool->curr_size = curr_size; if (!async_set_pool(pool)) { ASYNCerr(ASYNC_F_ASYNC_INIT_THREAD, ASYNC_R_FAILED_TO_SET_POOL); goto err; } return 1; err: async_free_pool_internal(pool); return 0; }
https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/crypto/async/async.c/#L388
d2a_code_data_45720
static X509_EXTENSION *do_ext_i2d(const X509V3_EXT_METHOD *method, int ext_nid, int crit, void *ext_struc) { unsigned char *ext_der = NULL; int ext_len; ASN1_OCTET_STRING *ext_oct = NULL; X509_EXTENSION *ext; if (method->it) { ext_der = NULL; ext_len = ASN1_item_i2d(ext_struc, &ext_der, ASN1_ITEM_ptr(method->it)); if (ext_len < 0) goto merr; } else { unsigned char *p; ext_len = method->i2d(ext_struc, NULL); if ((ext_der = OPENSSL_malloc(ext_len)) == NULL) goto merr; p = ext_der; method->i2d(ext_struc, &p); } if ((ext_oct = ASN1_OCTET_STRING_new()) == NULL) goto merr; ext_oct->data = ext_der; ext_der = NULL; ext_oct->length = ext_len; ext = X509_EXTENSION_create_by_NID(NULL, ext_nid, crit, ext_oct); if (!ext) goto merr; ASN1_OCTET_STRING_free(ext_oct); return ext; merr: X509V3err(X509V3_F_DO_EXT_I2D, ERR_R_MALLOC_FAILURE); OPENSSL_free(ext_der); ASN1_OCTET_STRING_free(ext_oct); return NULL; }
https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/crypto/x509v3/v3_conf.c/#L210
d2a_code_data_45721
u_char * ngx_vsnprintf(u_char *buf, size_t max, const char *fmt, va_list args) { u_char *p, zero, *last; int d; float f, scale; size_t len, slen; int64_t i64; uint64_t ui64; ngx_msec_t ms; ngx_uint_t width, sign, hex, max_width, frac_width, i; ngx_str_t *v; ngx_variable_value_t *vv; if (max == 0) { return buf; } last = buf + max; while (*fmt && buf < last) { if (*fmt == '%') { i64 = 0; ui64 = 0; zero = (u_char) ((*++fmt == '0') ? '0' : ' '); width = 0; sign = 1; hex = 0; max_width = 0; frac_width = 0; slen = (size_t) -1; while (*fmt >= '0' && *fmt <= '9') { width = width * 10 + *fmt++ - '0'; } for ( ;; ) { switch (*fmt) { case 'u': sign = 0; fmt++; continue; case 'm': max_width = 1; fmt++; continue; case 'X': hex = 2; sign = 0; fmt++; continue; case 'x': hex = 1; sign = 0; fmt++; continue; case '.': fmt++; while (*fmt >= '0' && *fmt <= '9') { frac_width = frac_width * 10 + *fmt++ - '0'; } break; case '*': slen = va_arg(args, size_t); fmt++; continue; default: break; } break; } switch (*fmt) { case 'V': v = va_arg(args, ngx_str_t *); len = v->len; len = (buf + len < last) ? len : (size_t) (last - buf); buf = ngx_cpymem(buf, v->data, len); fmt++; continue; case 'v': vv = va_arg(args, ngx_variable_value_t *); len = vv->len; len = (buf + len < last) ? len : (size_t) (last - buf); buf = ngx_cpymem(buf, vv->data, len); fmt++; continue; case 's': p = va_arg(args, u_char *); if (slen == (size_t) -1) { while (*p && buf < last) { *buf++ = *p++; } } else { len = (buf + slen < last) ? slen : (size_t) (last - buf); buf = ngx_cpymem(buf, p, len); } fmt++; continue; case 'O': i64 = (int64_t) va_arg(args, off_t); sign = 1; break; case 'P': i64 = (int64_t) va_arg(args, ngx_pid_t); sign = 1; break; case 'T': i64 = (int64_t) va_arg(args, time_t); sign = 1; break; case 'M': ms = (ngx_msec_t) va_arg(args, ngx_msec_t); if ((ngx_msec_int_t) ms == -1) { sign = 1; i64 = -1; } else { sign = 0; ui64 = (uint64_t) ms; } break; case 'z': if (sign) { i64 = (int64_t) va_arg(args, ssize_t); } else { ui64 = (uint64_t) va_arg(args, size_t); } break; case 'i': if (sign) { i64 = (int64_t) va_arg(args, ngx_int_t); } else { ui64 = (uint64_t) va_arg(args, ngx_uint_t); } if (max_width) { width = NGX_INT_T_LEN; } break; case 'd': if (sign) { i64 = (int64_t) va_arg(args, int); } else { ui64 = (uint64_t) va_arg(args, u_int); } break; case 'l': if (sign) { i64 = (int64_t) va_arg(args, long); } else { ui64 = (uint64_t) va_arg(args, u_long); } break; case 'D': if (sign) { i64 = (int64_t) va_arg(args, int32_t); } else { ui64 = (uint64_t) va_arg(args, uint32_t); } break; case 'L': if (sign) { i64 = va_arg(args, int64_t); } else { ui64 = va_arg(args, uint64_t); } break; case 'A': if (sign) { i64 = (int64_t) va_arg(args, ngx_atomic_int_t); } else { ui64 = (uint64_t) va_arg(args, ngx_atomic_uint_t); } if (max_width) { width = NGX_ATOMIC_T_LEN; } break; case 'f': f = (float) va_arg(args, double); if (f < 0) { *buf++ = '-'; f = -f; } ui64 = (int64_t) f; buf = ngx_sprintf_num(buf, last, ui64, zero, 0, width); if (frac_width) { if (buf < last) { *buf++ = '.'; } scale = 1.0; for (i = 0; i < frac_width; i++) { scale *= 10.0; } ui64 = (uint64_t) ((f - (int64_t) ui64) * scale); buf = ngx_sprintf_num(buf, last, ui64, '0', 0, frac_width); } fmt++; continue; #if !(NGX_WIN32) case 'r': i64 = (int64_t) va_arg(args, rlim_t); sign = 1; break; #endif case 'p': ui64 = (uintptr_t) va_arg(args, void *); hex = 2; sign = 0; zero = '0'; width = NGX_PTR_SIZE * 2; break; case 'c': d = va_arg(args, int); *buf++ = (u_char) (d & 0xff); fmt++; continue; case 'Z': *buf++ = '\0'; fmt++; continue; case 'N': #if (NGX_WIN32) *buf++ = CR; #endif *buf++ = LF; fmt++; continue; case '%': *buf++ = '%'; fmt++; continue; default: *buf++ = *fmt++; continue; } if (sign) { if (i64 < 0) { *buf++ = '-'; ui64 = (uint64_t) -i64; } else { ui64 = (uint64_t) i64; } } buf = ngx_sprintf_num(buf, last, ui64, zero, hex, width); fmt++; } else { *buf++ = *fmt++; } } return buf; }
https://github.com/nginx/nginx/blob/e4ecddfdb0d2ffc872658e36028971ad9a873726/src/core/ngx_string.c/#L244
d2a_code_data_45722
SSL *SSL_new(SSL_CTX *ctx) { SSL *s; if (ctx == NULL) { SSLerr(SSL_F_SSL_NEW, SSL_R_NULL_SSL_CTX); return NULL; } if (ctx->method == NULL) { SSLerr(SSL_F_SSL_NEW, SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION); return NULL; } s = OPENSSL_zalloc(sizeof(*s)); if (s == NULL) goto err; s->references = 1; s->lock = CRYPTO_THREAD_lock_new(); if (s->lock == NULL) { OPENSSL_free(s); s = NULL; goto err; } RECORD_LAYER_init(&s->rlayer, s); s->options = ctx->options; s->dane.flags = ctx->dane.flags; s->min_proto_version = ctx->min_proto_version; s->max_proto_version = ctx->max_proto_version; s->mode = ctx->mode; s->max_cert_list = ctx->max_cert_list; s->max_early_data = ctx->max_early_data; s->num_tickets = ctx->num_tickets; s->tls13_ciphersuites = sk_SSL_CIPHER_dup(ctx->tls13_ciphersuites); if (s->tls13_ciphersuites == NULL) goto err; s->cert = ssl_cert_dup(ctx->cert); if (s->cert == NULL) goto err; RECORD_LAYER_set_read_ahead(&s->rlayer, ctx->read_ahead); s->msg_callback = ctx->msg_callback; s->msg_callback_arg = ctx->msg_callback_arg; s->verify_mode = ctx->verify_mode; s->not_resumable_session_cb = ctx->not_resumable_session_cb; s->record_padding_cb = ctx->record_padding_cb; s->record_padding_arg = ctx->record_padding_arg; s->block_padding = ctx->block_padding; s->sid_ctx_length = ctx->sid_ctx_length; if (!ossl_assert(s->sid_ctx_length <= sizeof(s->sid_ctx))) goto err; memcpy(&s->sid_ctx, &ctx->sid_ctx, sizeof(s->sid_ctx)); s->verify_callback = ctx->default_verify_callback; s->generate_session_id = ctx->generate_session_id; s->param = X509_VERIFY_PARAM_new(); if (s->param == NULL) goto err; X509_VERIFY_PARAM_inherit(s->param, ctx->param); s->quiet_shutdown = ctx->quiet_shutdown; s->ext.max_fragment_len_mode = ctx->ext.max_fragment_len_mode; s->max_send_fragment = ctx->max_send_fragment; s->split_send_fragment = ctx->split_send_fragment; s->max_pipelines = ctx->max_pipelines; if (s->max_pipelines > 1) RECORD_LAYER_set_read_ahead(&s->rlayer, 1); if (ctx->default_read_buf_len > 0) SSL_set_default_read_buffer_len(s, ctx->default_read_buf_len); SSL_CTX_up_ref(ctx); s->ctx = ctx; s->ext.debug_cb = 0; s->ext.debug_arg = NULL; s->ext.ticket_expected = 0; s->ext.status_type = ctx->ext.status_type; s->ext.status_expected = 0; s->ext.ocsp.ids = NULL; s->ext.ocsp.exts = NULL; s->ext.ocsp.resp = NULL; s->ext.ocsp.resp_len = 0; SSL_CTX_up_ref(ctx); s->session_ctx = ctx; #ifndef OPENSSL_NO_EC if (ctx->ext.ecpointformats) { s->ext.ecpointformats = OPENSSL_memdup(ctx->ext.ecpointformats, ctx->ext.ecpointformats_len); if (!s->ext.ecpointformats) goto err; s->ext.ecpointformats_len = ctx->ext.ecpointformats_len; } if (ctx->ext.supportedgroups) { s->ext.supportedgroups = OPENSSL_memdup(ctx->ext.supportedgroups, ctx->ext.supportedgroups_len * sizeof(*ctx->ext.supportedgroups)); if (!s->ext.supportedgroups) goto err; s->ext.supportedgroups_len = ctx->ext.supportedgroups_len; } #endif #ifndef OPENSSL_NO_NEXTPROTONEG s->ext.npn = NULL; #endif if (s->ctx->ext.alpn) { s->ext.alpn = OPENSSL_malloc(s->ctx->ext.alpn_len); if (s->ext.alpn == NULL) goto err; memcpy(s->ext.alpn, s->ctx->ext.alpn, s->ctx->ext.alpn_len); s->ext.alpn_len = s->ctx->ext.alpn_len; } s->verified_chain = NULL; s->verify_result = X509_V_OK; s->default_passwd_callback = ctx->default_passwd_callback; s->default_passwd_callback_userdata = ctx->default_passwd_callback_userdata; s->method = ctx->method; s->key_update = SSL_KEY_UPDATE_NONE; if (!s->method->ssl_new(s)) goto err; s->server = (ctx->method->ssl_accept == ssl_undefined_function) ? 0 : 1; if (!SSL_clear(s)) goto err; if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data)) goto err; #ifndef OPENSSL_NO_PSK s->psk_client_callback = ctx->psk_client_callback; s->psk_server_callback = ctx->psk_server_callback; #endif s->psk_find_session_cb = ctx->psk_find_session_cb; s->psk_use_session_cb = ctx->psk_use_session_cb; s->job = NULL; #ifndef OPENSSL_NO_CT if (!SSL_set_ct_validation_callback(s, ctx->ct_validation_callback, ctx->ct_validation_callback_arg)) goto err; #endif return s; err: SSL_free(s); SSLerr(SSL_F_SSL_NEW, ERR_R_MALLOC_FAILURE); return NULL; }
https://github.com/openssl/openssl/blob/c22365b399f62af4a81e9202500cd2cbd9c23a9d/ssl/ssl_lib.c/#L694
d2a_code_data_45723
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_45724
int MAIN(int argc, char *argv[]) { X509_VERIFY_PARAM *vpm = NULL; int badarg = 0; short port=PORT; char *CApath=NULL,*CAfile=NULL; unsigned char *context = NULL; char *dhfile = NULL; #ifndef OPENSSL_NO_ECDH char *named_curve = NULL; #endif int badop=0,bugs=0; int ret=1; int off=0; int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0; int state=0; const SSL_METHOD *meth=NULL; int socket_type=SOCK_STREAM; ENGINE *e=NULL; char *inrand=NULL; int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM; char *passarg = NULL, *pass = NULL; char *dpassarg = NULL, *dpass = NULL; int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM; X509 *s_cert = NULL, *s_dcert = NULL; EVP_PKEY *s_key = NULL, *s_dkey = NULL; int no_cache = 0, ext_cache = 0; #ifndef OPENSSL_NO_TLSEXT EVP_PKEY *s_key2 = NULL; X509 *s_cert2 = NULL; #endif #ifndef OPENSSL_NO_TLSEXT tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING}; # ifndef OPENSSL_NO_NPN const char *next_proto_neg_in = NULL; tlsextnextprotoctx next_proto; # endif #endif #ifndef OPENSSL_NO_PSK static char *psk_identity_hint=NULL; #endif #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3) meth=SSLv23_server_method(); #elif !defined(OPENSSL_NO_SSL3) meth=SSLv3_server_method(); #elif !defined(OPENSSL_NO_SSL2) meth=SSLv2_server_method(); #endif local_argc=argc; local_argv=argv; apps_startup(); #ifdef MONOLITH s_server_init(); #endif if (bio_err == NULL) bio_err=BIO_new_fp(stderr,BIO_NOCLOSE); if (!load_config(bio_err, NULL)) goto end; verify_depth=0; #ifdef FIONBIO s_nbio=0; #endif s_nbio_test=0; argc--; argv++; while (argc >= 1) { if ((strcmp(*argv,"-port") == 0) || (strcmp(*argv,"-accept") == 0)) { if (--argc < 1) goto bad; if (!extract_port(*(++argv),&port)) goto bad; } else if (strcmp(*argv,"-verify") == 0) { s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE; if (--argc < 1) goto bad; verify_depth=atoi(*(++argv)); BIO_printf(bio_err,"verify depth is %d\n",verify_depth); } else if (strcmp(*argv,"-Verify") == 0) { s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT| SSL_VERIFY_CLIENT_ONCE; if (--argc < 1) goto bad; verify_depth=atoi(*(++argv)); BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth); } else if (strcmp(*argv,"-context") == 0) { if (--argc < 1) goto bad; context= (unsigned char *)*(++argv); } else if (strcmp(*argv,"-cert") == 0) { if (--argc < 1) goto bad; s_cert_file= *(++argv); } else if (strcmp(*argv,"-certform") == 0) { if (--argc < 1) goto bad; s_cert_format = str2fmt(*(++argv)); } else if (strcmp(*argv,"-key") == 0) { if (--argc < 1) goto bad; s_key_file= *(++argv); } else if (strcmp(*argv,"-keyform") == 0) { if (--argc < 1) goto bad; s_key_format = str2fmt(*(++argv)); } else if (strcmp(*argv,"-pass") == 0) { if (--argc < 1) goto bad; passarg = *(++argv); } else if (strcmp(*argv,"-dhparam") == 0) { if (--argc < 1) goto bad; dhfile = *(++argv); } #ifndef OPENSSL_NO_ECDH else if (strcmp(*argv,"-named_curve") == 0) { if (--argc < 1) goto bad; named_curve = *(++argv); } #endif else if (strcmp(*argv,"-dcertform") == 0) { if (--argc < 1) goto bad; s_dcert_format = str2fmt(*(++argv)); } else if (strcmp(*argv,"-dcert") == 0) { if (--argc < 1) goto bad; s_dcert_file= *(++argv); } else if (strcmp(*argv,"-dkeyform") == 0) { if (--argc < 1) goto bad; s_dkey_format = str2fmt(*(++argv)); } else if (strcmp(*argv,"-dpass") == 0) { if (--argc < 1) goto bad; dpassarg = *(++argv); } else if (strcmp(*argv,"-dkey") == 0) { if (--argc < 1) goto bad; s_dkey_file= *(++argv); } else if (strcmp(*argv,"-nocert") == 0) { nocert=1; } else if (strcmp(*argv,"-CApath") == 0) { if (--argc < 1) goto bad; CApath= *(++argv); } else if (strcmp(*argv,"-no_cache") == 0) no_cache = 1; else if (strcmp(*argv,"-ext_cache") == 0) ext_cache = 1; else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) { if (badarg) goto bad; continue; } else if (strcmp(*argv,"-verify_return_error") == 0) verify_return_error = 1; else if (strcmp(*argv,"-serverpref") == 0) { off|=SSL_OP_CIPHER_SERVER_PREFERENCE; } else if (strcmp(*argv,"-legacy_renegotiation") == 0) off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION; else if (strcmp(*argv,"-cipher") == 0) { if (--argc < 1) goto bad; cipher= *(++argv); } else if (strcmp(*argv,"-CAfile") == 0) { if (--argc < 1) goto bad; CAfile= *(++argv); } #ifdef FIONBIO else if (strcmp(*argv,"-nbio") == 0) { s_nbio=1; } #endif else if (strcmp(*argv,"-nbio_test") == 0) { #ifdef FIONBIO s_nbio=1; #endif s_nbio_test=1; } else if (strcmp(*argv,"-debug") == 0) { s_debug=1; } #ifndef OPENSSL_NO_TLSEXT else if (strcmp(*argv,"-tlsextdebug") == 0) s_tlsextdebug=1; else if (strcmp(*argv,"-status") == 0) s_tlsextstatus=1; else if (strcmp(*argv,"-status_verbose") == 0) { s_tlsextstatus=1; tlscstatp.verbose = 1; } else if (!strcmp(*argv, "-status_timeout")) { s_tlsextstatus=1; if (--argc < 1) goto bad; tlscstatp.timeout = atoi(*(++argv)); } else if (!strcmp(*argv, "-status_url")) { s_tlsextstatus=1; if (--argc < 1) goto bad; if (!OCSP_parse_url(*(++argv), &tlscstatp.host, &tlscstatp.port, &tlscstatp.path, &tlscstatp.use_ssl)) { BIO_printf(bio_err, "Error parsing URL\n"); goto bad; } } #endif else if (strcmp(*argv,"-msg") == 0) { s_msg=1; } else if (strcmp(*argv,"-hack") == 0) { hack=1; } else if (strcmp(*argv,"-state") == 0) { state=1; } else if (strcmp(*argv,"-crlf") == 0) { s_crlf=1; } else if (strcmp(*argv,"-quiet") == 0) { s_quiet=1; } else if (strcmp(*argv,"-bugs") == 0) { bugs=1; } else if (strcmp(*argv,"-no_tmp_rsa") == 0) { no_tmp_rsa=1; } else if (strcmp(*argv,"-no_dhe") == 0) { no_dhe=1; } else if (strcmp(*argv,"-no_ecdhe") == 0) { no_ecdhe=1; } #ifndef OPENSSL_NO_PSK else if (strcmp(*argv,"-psk_hint") == 0) { if (--argc < 1) goto bad; psk_identity_hint= *(++argv); } else if (strcmp(*argv,"-psk") == 0) { size_t i; if (--argc < 1) goto bad; psk_key=*(++argv); for (i=0; i<strlen(psk_key); i++) { if (isxdigit((int)psk_key[i])) continue; BIO_printf(bio_err,"Not a hex number '%s'\n",*argv); goto bad; } } #endif else if (strcmp(*argv,"-www") == 0) { www=1; } else if (strcmp(*argv,"-WWW") == 0) { www=2; } else if (strcmp(*argv,"-HTTP") == 0) { www=3; } else if (strcmp(*argv,"-no_ssl2") == 0) { off|=SSL_OP_NO_SSLv2; } else if (strcmp(*argv,"-no_ssl3") == 0) { off|=SSL_OP_NO_SSLv3; } else if (strcmp(*argv,"-no_tls1_1") == 0) { off|=SSL_OP_NO_TLSv1_1; } else if (strcmp(*argv,"-no_tls1") == 0) { off|=SSL_OP_NO_TLSv1; } else if (strcmp(*argv,"-no_comp") == 0) { off|=SSL_OP_NO_COMPRESSION; } #ifndef OPENSSL_NO_TLSEXT else if (strcmp(*argv,"-no_ticket") == 0) { off|=SSL_OP_NO_TICKET; } #endif #ifndef OPENSSL_NO_SSL2 else if (strcmp(*argv,"-ssl2") == 0) { meth=SSLv2_server_method(); } #endif #ifndef OPENSSL_NO_SSL3 else if (strcmp(*argv,"-ssl3") == 0) { meth=SSLv3_server_method(); } #endif #ifndef OPENSSL_NO_TLS1 else if (strcmp(*argv,"-tls1_1") == 0) { meth=TLSv1_1_server_method(); } else if (strcmp(*argv,"-tls1") == 0) { meth=TLSv1_server_method(); } #endif #ifndef OPENSSL_NO_DTLS1 else if (strcmp(*argv,"-dtls1") == 0) { meth=DTLSv1_server_method(); socket_type = SOCK_DGRAM; } else if (strcmp(*argv,"-timeout") == 0) enable_timeouts = 1; else if (strcmp(*argv,"-mtu") == 0) { if (--argc < 1) goto bad; socket_mtu = atol(*(++argv)); } else if (strcmp(*argv, "-chain") == 0) cert_chain = 1; #endif else if (strcmp(*argv, "-id_prefix") == 0) { if (--argc < 1) goto bad; session_id_prefix = *(++argv); } #ifndef OPENSSL_NO_ENGINE else if (strcmp(*argv,"-engine") == 0) { if (--argc < 1) goto bad; engine_id= *(++argv); } #endif else if (strcmp(*argv,"-rand") == 0) { if (--argc < 1) goto bad; inrand= *(++argv); } #ifndef OPENSSL_NO_TLSEXT else if (strcmp(*argv,"-servername") == 0) { if (--argc < 1) goto bad; tlsextcbp.servername= *(++argv); } else if (strcmp(*argv,"-servername_fatal") == 0) { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; } else if (strcmp(*argv,"-cert2") == 0) { if (--argc < 1) goto bad; s_cert_file2= *(++argv); } else if (strcmp(*argv,"-key2") == 0) { if (--argc < 1) goto bad; s_key_file2= *(++argv); } # ifndef OPENSSL_NO_NPN else if (strcmp(*argv,"-nextprotoneg") == 0) { if (--argc < 1) goto bad; next_proto_neg_in = *(++argv); } # endif #endif #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK) else if (strcmp(*argv,"-jpake") == 0) { if (--argc < 1) goto bad; jpake_secret = *(++argv); } #endif else { BIO_printf(bio_err,"unknown option %s\n",*argv); badop=1; break; } argc--; argv++; } if (badop) { bad: sv_usage(); goto end; } #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK) if (jpake_secret) { if (psk_key) { BIO_printf(bio_err, "Can't use JPAKE and PSK together\n"); goto end; } psk_identity = "JPAKE"; if (cipher) { BIO_printf(bio_err, "JPAKE sets cipher to PSK\n"); goto end; } cipher = "PSK"; } #endif SSL_load_error_strings(); OpenSSL_add_ssl_algorithms(); #ifndef OPENSSL_NO_ENGINE e = setup_engine(bio_err, engine_id, 1); #endif if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass)) { BIO_printf(bio_err, "Error getting password\n"); goto end; } if (s_key_file == NULL) s_key_file = s_cert_file; #ifndef OPENSSL_NO_TLSEXT if (s_key_file2 == NULL) s_key_file2 = s_cert_file2; #endif if (nocert == 0) { s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e, "server certificate private key file"); if (!s_key) { ERR_print_errors(bio_err); goto end; } s_cert = load_cert(bio_err,s_cert_file,s_cert_format, NULL, e, "server certificate file"); if (!s_cert) { ERR_print_errors(bio_err); goto end; } #ifndef OPENSSL_NO_TLSEXT if (tlsextcbp.servername) { s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e, "second server certificate private key file"); if (!s_key2) { ERR_print_errors(bio_err); goto end; } s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format, NULL, e, "second server certificate file"); if (!s_cert2) { ERR_print_errors(bio_err); goto end; } } # ifndef OPENSSL_NO_NPN if (next_proto_neg_in) { unsigned short len; next_proto.data = next_protos_parse(&len, next_proto_neg_in); if (next_proto.data == NULL) goto end; next_proto.len = len; } else { next_proto.data = NULL; } # endif #endif } if (s_dcert_file) { if (s_dkey_file == NULL) s_dkey_file = s_dcert_file; s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format, 0, dpass, e, "second certificate private key file"); if (!s_dkey) { ERR_print_errors(bio_err); goto end; } s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format, NULL, e, "second server certificate file"); if (!s_dcert) { ERR_print_errors(bio_err); goto end; } } if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL && !RAND_status()) { BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n"); } if (inrand != NULL) BIO_printf(bio_err,"%ld semi-random bytes loaded\n", app_RAND_load_files(inrand)); if (bio_s_out == NULL) { if (s_quiet && !s_debug && !s_msg) { bio_s_out=BIO_new(BIO_s_null()); } else { if (bio_s_out == NULL) bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE); } } #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA) if (nocert) #endif { s_cert_file=NULL; s_key_file=NULL; s_dcert_file=NULL; s_dkey_file=NULL; #ifndef OPENSSL_NO_TLSEXT s_cert_file2=NULL; s_key_file2=NULL; #endif } ctx=SSL_CTX_new(meth); if (ctx == NULL) { ERR_print_errors(bio_err); goto end; } if (session_id_prefix) { if(strlen(session_id_prefix) >= 32) BIO_printf(bio_err, "warning: id_prefix is too long, only one new session will be possible\n"); else if(strlen(session_id_prefix) >= 16) BIO_printf(bio_err, "warning: id_prefix is too long if you use SSLv2\n"); if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) { BIO_printf(bio_err,"error setting 'id_prefix'\n"); ERR_print_errors(bio_err); goto end; } BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix); } SSL_CTX_set_quiet_shutdown(ctx,1); if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL); if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG); SSL_CTX_set_options(ctx,off); if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1); if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback); if (no_cache) SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF); else if (ext_cache) init_session_cache_ctx(ctx); else SSL_CTX_sess_set_cache_size(ctx,128); #if 0 if (cipher == NULL) cipher=getenv("SSL_CIPHER"); #endif #if 0 if (s_cert_file == NULL) { BIO_printf(bio_err,"You must specify a certificate file for the server to use\n"); goto end; } #endif if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) || (!SSL_CTX_set_default_verify_paths(ctx))) { ERR_print_errors(bio_err); } if (vpm) SSL_CTX_set1_param(ctx, vpm); #ifndef OPENSSL_NO_TLSEXT if (s_cert2) { ctx2=SSL_CTX_new(meth); if (ctx2 == NULL) { ERR_print_errors(bio_err); goto end; } } if (ctx2) { BIO_printf(bio_s_out,"Setting secondary ctx parameters\n"); if (session_id_prefix) { if(strlen(session_id_prefix) >= 32) BIO_printf(bio_err, "warning: id_prefix is too long, only one new session will be possible\n"); else if(strlen(session_id_prefix) >= 16) BIO_printf(bio_err, "warning: id_prefix is too long if you use SSLv2\n"); if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) { BIO_printf(bio_err,"error setting 'id_prefix'\n"); ERR_print_errors(bio_err); goto end; } BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix); } SSL_CTX_set_quiet_shutdown(ctx2,1); if (bugs) SSL_CTX_set_options(ctx2,SSL_OP_ALL); if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG); SSL_CTX_set_options(ctx2,off); if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1); if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback); if (no_cache) SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF); else if (ext_cache) init_session_cache_ctx(ctx2); else SSL_CTX_sess_set_cache_size(ctx2,128); if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) || (!SSL_CTX_set_default_verify_paths(ctx2))) { ERR_print_errors(bio_err); } if (vpm) SSL_CTX_set1_param(ctx2, vpm); } # ifndef OPENSSL_NO_NPN if (next_proto.data) SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto); # endif #endif #ifndef OPENSSL_NO_DH if (!no_dhe) { DH *dh=NULL; if (dhfile) dh = load_dh_param(dhfile); else if (s_cert_file) dh = load_dh_param(s_cert_file); if (dh != NULL) { BIO_printf(bio_s_out,"Setting temp DH parameters\n"); } else { BIO_printf(bio_s_out,"Using default temp DH parameters\n"); dh=get_dh512(); } (void)BIO_flush(bio_s_out); SSL_CTX_set_tmp_dh(ctx,dh); #ifndef OPENSSL_NO_TLSEXT if (ctx2) { if (!dhfile) { DH *dh2=load_dh_param(s_cert_file2); if (dh2 != NULL) { BIO_printf(bio_s_out,"Setting temp DH parameters\n"); (void)BIO_flush(bio_s_out); DH_free(dh); dh = dh2; } } SSL_CTX_set_tmp_dh(ctx2,dh); } #endif DH_free(dh); } #endif #ifndef OPENSSL_NO_ECDH if (!no_ecdhe) { EC_KEY *ecdh=NULL; if (named_curve) { int nid = OBJ_sn2nid(named_curve); if (nid == 0) { BIO_printf(bio_err, "unknown curve name (%s)\n", named_curve); goto end; } ecdh = EC_KEY_new_by_curve_name(nid); if (ecdh == NULL) { BIO_printf(bio_err, "unable to create curve (%s)\n", named_curve); goto end; } } if (ecdh != NULL) { BIO_printf(bio_s_out,"Setting temp ECDH parameters\n"); } else { BIO_printf(bio_s_out,"Using default temp ECDH parameters\n"); ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1); if (ecdh == NULL) { BIO_printf(bio_err, "unable to create curve (nistp256)\n"); goto end; } } (void)BIO_flush(bio_s_out); SSL_CTX_set_tmp_ecdh(ctx,ecdh); #ifndef OPENSSL_NO_TLSEXT if (ctx2) SSL_CTX_set_tmp_ecdh(ctx2,ecdh); #endif EC_KEY_free(ecdh); } #endif if (!set_cert_key_stuff(ctx,s_cert,s_key)) goto end; #ifndef OPENSSL_NO_TLSEXT if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2)) goto end; #endif if (s_dcert != NULL) { if (!set_cert_key_stuff(ctx,s_dcert,s_dkey)) goto end; } #ifndef OPENSSL_NO_RSA #if 1 if (!no_tmp_rsa) { SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb); #ifndef OPENSSL_NO_TLSEXT if (ctx2) SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb); #endif } #else if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx)) { RSA *rsa; BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key..."); BIO_flush(bio_s_out); rsa=RSA_generate_key(512,RSA_F4,NULL); if (!SSL_CTX_set_tmp_rsa(ctx,rsa)) { ERR_print_errors(bio_err); goto end; } #ifndef OPENSSL_NO_TLSEXT if (ctx2) { if (!SSL_CTX_set_tmp_rsa(ctx2,rsa)) { ERR_print_errors(bio_err); goto end; } } #endif RSA_free(rsa); BIO_printf(bio_s_out,"\n"); } #endif #endif #ifndef OPENSSL_NO_PSK #ifdef OPENSSL_NO_JPAKE if (psk_key != NULL) #else if (psk_key != NULL || jpake_secret) #endif { if (s_debug) BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n"); SSL_CTX_set_psk_server_callback(ctx, psk_server_cb); } if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) { BIO_printf(bio_err,"error setting PSK identity hint to context\n"); ERR_print_errors(bio_err); goto end; } #endif if (cipher != NULL) { if(!SSL_CTX_set_cipher_list(ctx,cipher)) { BIO_printf(bio_err,"error setting cipher list\n"); ERR_print_errors(bio_err); goto end; } #ifndef OPENSSL_NO_TLSEXT if (ctx2 && !SSL_CTX_set_cipher_list(ctx2,cipher)) { BIO_printf(bio_err,"error setting cipher list\n"); ERR_print_errors(bio_err); goto end; } #endif } SSL_CTX_set_verify(ctx,s_server_verify,verify_callback); SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context, sizeof s_server_session_id_context); SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback); SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback); #ifndef OPENSSL_NO_TLSEXT if (ctx2) { SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback); SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context, sizeof s_server_session_id_context); tlsextcbp.biodebug = bio_s_out; SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb); SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp); SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb); SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp); } #endif if (CAfile != NULL) { SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile)); #ifndef OPENSSL_NO_TLSEXT if (ctx2) SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile)); #endif } BIO_printf(bio_s_out,"ACCEPT\n"); (void)BIO_flush(bio_s_out); if (www) do_server(port,socket_type,&accept_socket,www_body, context); else do_server(port,socket_type,&accept_socket,sv_body, context); print_stats(bio_s_out,ctx); ret=0; end: if (ctx != NULL) SSL_CTX_free(ctx); if (s_cert) X509_free(s_cert); if (s_dcert) X509_free(s_dcert); if (s_key) EVP_PKEY_free(s_key); if (s_dkey) EVP_PKEY_free(s_dkey); if (pass) OPENSSL_free(pass); if (dpass) OPENSSL_free(dpass); free_sessions(); #ifndef OPENSSL_NO_TLSEXT if (ctx2 != NULL) SSL_CTX_free(ctx2); if (s_cert2) X509_free(s_cert2); if (s_key2) EVP_PKEY_free(s_key2); #endif if (bio_s_out != NULL) { BIO_free(bio_s_out); bio_s_out=NULL; } apps_shutdown(); OPENSSL_EXIT(ret); }
https://github.com/openssl/openssl/blob/173350bccaf25d6114a7108ccceabb974f125fa4/apps/s_server.c/#L1541
d2a_code_data_45725
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/e128f891de71bbdba8391355af8d6d47d20b1969/ssl/packet.c/#L49
d2a_code_data_45726
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_45727
static void deinterlace_bottom_field_inplace(uint8_t *src1, int src_wrap, int width, int height) { uint8_t *src_m1, *src_0, *src_p1, *src_p2; int y; uint8_t *buf; buf = (uint8_t*)av_malloc(width); src_m1 = src1; memcpy(buf,src_m1,width); src_0=&src_m1[src_wrap]; src_p1=&src_0[src_wrap]; src_p2=&src_p1[src_wrap]; for(y=0;y<(height-2);y+=2) { deinterlace_line_inplace(buf,src_m1,src_0,src_p1,src_p2,width); src_m1 = src_p1; src_0 = src_p2; src_p1 += 2*src_wrap; src_p2 += 2*src_wrap; } deinterlace_line_inplace(buf,src_m1,src_0,src_0,src_0,width); av_free(buf); }
https://github.com/libav/libav/blob/983ec304974bfa928735153e115659c700c170dd/libavcodec/imgconvert.c/#L1231
d2a_code_data_45728
void ssl3_cbc_digest_record( const EVP_MD_CTX *ctx, unsigned char* md_out, size_t* md_out_size, const unsigned char header[13], const unsigned char *data, size_t data_plus_mac_size, size_t data_plus_mac_plus_padding_size, const unsigned char *mac_secret, unsigned mac_secret_length, char is_sslv3) { union { double align; unsigned char c[sizeof(LARGEST_DIGEST_CTX)]; } md_state; void (*md_final_raw)(void *ctx, unsigned char *md_out); void (*md_transform)(void *ctx, const unsigned char *block); unsigned md_size, md_block_size = 64; unsigned sslv3_pad_length = 40, header_length, variance_blocks, len, max_mac_bytes, num_blocks, num_starting_blocks, k, mac_end_offset, c, index_a, index_b; unsigned int bits; unsigned char length_bytes[MAX_HASH_BIT_COUNT_BYTES]; unsigned char hmac_pad[MAX_HASH_BLOCK_SIZE]; unsigned char first_block[MAX_HASH_BLOCK_SIZE]; unsigned char mac_out[EVP_MAX_MD_SIZE]; unsigned i, j, md_out_size_u; EVP_MD_CTX md_ctx; unsigned md_length_size = 8; char length_is_big_endian = 1; OPENSSL_assert(data_plus_mac_plus_padding_size < 1024*1024); switch (EVP_MD_CTX_type(ctx)) { case NID_md5: MD5_Init((MD5_CTX*)md_state.c); md_final_raw = tls1_md5_final_raw; md_transform = (void(*)(void *ctx, const unsigned char *block)) MD5_Transform; md_size = 16; sslv3_pad_length = 48; length_is_big_endian = 0; break; case NID_sha1: SHA1_Init((SHA_CTX*)md_state.c); md_final_raw = tls1_sha1_final_raw; md_transform = (void(*)(void *ctx, const unsigned char *block)) SHA1_Transform; md_size = 20; break; #ifndef OPENSSL_NO_SHA256 case NID_sha224: SHA224_Init((SHA256_CTX*)md_state.c); md_final_raw = tls1_sha256_final_raw; md_transform = (void(*)(void *ctx, const unsigned char *block)) SHA256_Transform; md_size = 224/8; break; case NID_sha256: SHA256_Init((SHA256_CTX*)md_state.c); md_final_raw = tls1_sha256_final_raw; md_transform = (void(*)(void *ctx, const unsigned char *block)) SHA256_Transform; md_size = 32; break; #endif #ifndef OPENSSL_NO_SHA512 case NID_sha384: SHA384_Init((SHA512_CTX*)md_state.c); md_final_raw = tls1_sha512_final_raw; md_transform = (void(*)(void *ctx, const unsigned char *block)) SHA512_Transform; md_size = 384/8; md_block_size = 128; md_length_size = 16; break; case NID_sha512: SHA512_Init((SHA512_CTX*)md_state.c); md_final_raw = tls1_sha512_final_raw; md_transform = (void(*)(void *ctx, const unsigned char *block)) SHA512_Transform; md_size = 64; md_block_size = 128; md_length_size = 16; break; #endif default: OPENSSL_assert(0); if (md_out_size) *md_out_size = -1; return; } OPENSSL_assert(md_length_size <= MAX_HASH_BIT_COUNT_BYTES); OPENSSL_assert(md_block_size <= MAX_HASH_BLOCK_SIZE); OPENSSL_assert(md_size <= EVP_MAX_MD_SIZE); header_length = 13; if (is_sslv3) { header_length = mac_secret_length + sslv3_pad_length + 8 + 1 + 2 ; } variance_blocks = is_sslv3 ? 2 : 6; len = data_plus_mac_plus_padding_size + header_length; max_mac_bytes = len - md_size - 1; num_blocks = (max_mac_bytes + 1 + md_length_size + md_block_size - 1) / md_block_size; num_starting_blocks = 0; k = 0; mac_end_offset = data_plus_mac_size + header_length - md_size; c = mac_end_offset % md_block_size; index_a = mac_end_offset / md_block_size; index_b = (mac_end_offset + md_length_size) / md_block_size; if (num_blocks > variance_blocks + (is_sslv3 ? 1 : 0)) { num_starting_blocks = num_blocks - variance_blocks; k = md_block_size*num_starting_blocks; } bits = 8*mac_end_offset; if (!is_sslv3) { bits += 8*md_block_size; memset(hmac_pad, 0, md_block_size); OPENSSL_assert(mac_secret_length <= sizeof(hmac_pad)); memcpy(hmac_pad, mac_secret, mac_secret_length); for (i = 0; i < md_block_size; i++) hmac_pad[i] ^= 0x36; md_transform(md_state.c, hmac_pad); } if (length_is_big_endian) { memset(length_bytes,0,md_length_size-4); length_bytes[md_length_size-4] = (unsigned char)(bits>>24); length_bytes[md_length_size-3] = (unsigned char)(bits>>16); length_bytes[md_length_size-2] = (unsigned char)(bits>>8); length_bytes[md_length_size-1] = (unsigned char)bits; } else { memset(length_bytes,0,md_length_size); length_bytes[md_length_size-5] = (unsigned char)(bits>>24); length_bytes[md_length_size-6] = (unsigned char)(bits>>16); length_bytes[md_length_size-7] = (unsigned char)(bits>>8); length_bytes[md_length_size-8] = (unsigned char)bits; } if (k > 0) { if (is_sslv3) { unsigned overhang = header_length-md_block_size; md_transform(md_state.c, header); memcpy(first_block, header + md_block_size, overhang); memcpy(first_block + overhang, data, md_block_size-overhang); md_transform(md_state.c, first_block); for (i = 1; i < k/md_block_size - 1; i++) md_transform(md_state.c, data + md_block_size*i - overhang); } else { memcpy(first_block, header, 13); memcpy(first_block+13, data, md_block_size-13); md_transform(md_state.c, first_block); for (i = 1; i < k/md_block_size; i++) md_transform(md_state.c, data + md_block_size*i - 13); } } memset(mac_out, 0, sizeof(mac_out)); for (i = num_starting_blocks; i <= num_starting_blocks+variance_blocks; i++) { unsigned char block[MAX_HASH_BLOCK_SIZE]; unsigned char is_block_a = constant_time_eq_8(i, index_a); unsigned char is_block_b = constant_time_eq_8(i, index_b); for (j = 0; j < md_block_size; j++) { unsigned char b = 0, is_past_c, is_past_cp1; if (k < header_length) b = header[k]; else if (k < data_plus_mac_plus_padding_size + header_length) b = data[k-header_length]; k++; is_past_c = is_block_a & constant_time_ge(j, c); is_past_cp1 = is_block_a & constant_time_ge(j, c+1); b = (b&~is_past_c) | (0x80&is_past_c); b = b&~is_past_cp1; b &= ~is_block_b | is_block_a; if (j >= md_block_size - md_length_size) { b = (b&~is_block_b) | (is_block_b&length_bytes[j-(md_block_size-md_length_size)]); } block[j] = b; } md_transform(md_state.c, block); md_final_raw(md_state.c, block); for (j = 0; j < md_size; j++) mac_out[j] |= block[j]&is_block_b; } EVP_MD_CTX_init(&md_ctx); EVP_DigestInit_ex(&md_ctx, ctx->digest, NULL ); if (is_sslv3) { memset(hmac_pad, 0x5c, sslv3_pad_length); EVP_DigestUpdate(&md_ctx, mac_secret, mac_secret_length); EVP_DigestUpdate(&md_ctx, hmac_pad, sslv3_pad_length); EVP_DigestUpdate(&md_ctx, mac_out, md_size); } else { for (i = 0; i < md_block_size; i++) hmac_pad[i] ^= 0x6a; EVP_DigestUpdate(&md_ctx, hmac_pad, md_block_size); EVP_DigestUpdate(&md_ctx, mac_out, md_size); } EVP_DigestFinal(&md_ctx, md_out, &md_out_size_u); if (md_out_size) *md_out_size = md_out_size_u; EVP_MD_CTX_cleanup(&md_ctx); }
https://github.com/openssl/openssl/blob/f93a41877d8d7a287debb7c63d7b646abaaf269c/ssl/s3_cbc.c/#L566
d2a_code_data_45729
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_45730
void *av_fast_realloc(void *ptr, unsigned int *size, unsigned int min_size) { if(min_size < *size) return ptr; *size= FFMAX(17*min_size/16 + 32, min_size); ptr= av_realloc(ptr, *size); if(!ptr) *size= 0; return ptr; }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/utils.c/#L67
d2a_code_data_45731
int test_mod_exp_mont_consttime(BIO *bp, BN_CTX *ctx) { BIGNUM *a, *b, *c, *d, *e; int i; a = BN_new(); b = BN_new(); c = BN_new(); d = BN_new(); e = BN_new(); BN_one(a); BN_one(b); BN_zero(c); if (BN_mod_exp_mont_consttime(d, a, b, c, ctx, NULL)) { fprintf(stderr, "BN_mod_exp_mont_consttime with zero modulus " "succeeded\n"); return 0; } BN_set_word(c, 16); if (BN_mod_exp_mont_consttime(d, a, b, c, ctx, NULL)) { fprintf(stderr, "BN_mod_exp_mont_consttime with even modulus " "succeeded\n"); return 0; } BN_bntest_rand(c, 30, 0, 1); for (i = 0; i < num2; i++) { BN_bntest_rand(a, 20 + i * 5, 0, 0); BN_bntest_rand(b, 2 + i, 0, 0); if (!BN_mod_exp_mont_consttime(d, a, b, c, ctx, NULL)) return (00); if (bp != NULL) { if (!results) { BN_print(bp, a); BIO_puts(bp, " ^ "); BN_print(bp, b); BIO_puts(bp, " % "); BN_print(bp, c); BIO_puts(bp, " - "); } BN_print(bp, d); BIO_puts(bp, "\n"); } BN_exp(e, a, b, ctx); BN_sub(e, e, d); BN_div(a, b, e, c, ctx); if (!BN_is_zero(b)) { fprintf(stderr, "Modulo exponentiation test failed!\n"); return 0; } } BN_free(a); BN_free(b); BN_free(c); BN_free(d); BN_free(e); return (1); }
https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/test/bntest.c/#L1074
d2a_code_data_45732
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/6e68dae85a8f91944370125561c7ec0d5da46c20/ssl/packet.c/#L49
d2a_code_data_45733
static int bnrand(BNRAND_FLAG flag, BIGNUM *rnd, int bits, int top, int bottom, BN_CTX *ctx) { unsigned char *buf = NULL; int b, ret = 0, bit, bytes, mask; OPENSSL_CTX *libctx = bn_get_lib_ctx(ctx); if (bits == 0) { if (top != BN_RAND_TOP_ANY || bottom != BN_RAND_BOTTOM_ANY) goto toosmall; BN_zero(rnd); return 1; } if (bits < 0 || (bits == 1 && top > 0)) goto toosmall; bytes = (bits + 7) / 8; bit = (bits - 1) % 8; mask = 0xff << (bit + 1); buf = OPENSSL_malloc(bytes); if (buf == NULL) { BNerr(BN_F_BNRAND, ERR_R_MALLOC_FAILURE); goto err; } b = flag == NORMAL ? rand_bytes_ex(libctx, buf, bytes) : rand_priv_bytes_ex(libctx, buf, bytes); if (b <= 0) goto err; if (flag == TESTING) { int i; unsigned char c; for (i = 0; i < bytes; i++) { if (rand_bytes_ex(libctx, &c, 1) <= 0) goto err; if (c >= 128 && i > 0) buf[i] = buf[i - 1]; else if (c < 42) buf[i] = 0; else if (c < 84) buf[i] = 255; } } if (top >= 0) { if (top) { if (bit == 0) { buf[0] = 1; buf[1] |= 0x80; } else { buf[0] |= (3 << (bit - 1)); } } else { buf[0] |= (1 << bit); } } buf[0] &= ~mask; if (bottom) buf[bytes - 1] |= 1; if (!BN_bin2bn(buf, bytes, rnd)) goto err; ret = 1; err: OPENSSL_clear_free(buf, bytes); bn_check_top(rnd); return ret; toosmall: BNerr(BN_F_BNRAND, BN_R_BITS_TOO_SMALL); return 0; }
https://github.com/openssl/openssl/blob/bd01733fdd9a5a0acdc72cf5c6601d37e8ddd801/crypto/bn/bn_rand.c/#L88
d2a_code_data_45734
static int opt_metadata(const char *opt, const char *arg) { char *mid= strchr(arg, '='); if(!mid){ fprintf(stderr, "Missing =\n"); ffmpeg_exit(1); } *mid++= 0; metadata_count++; metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count); metadata[metadata_count-1].key = av_strdup(arg); metadata[metadata_count-1].value= av_strdup(mid); return 0; }
https://github.com/libav/libav/blob/ad0d70c964f852a18e9ab8124f0e7aa8876cac6e/ffmpeg.c/#L2881
d2a_code_data_45735
int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes) { assert(pkt->subs != NULL && len != 0); if (pkt->subs == NULL || len == 0) return 0; if (pkt->maxsize - pkt->written < len) return 0; if (pkt->buf->length - pkt->written < len) { size_t newlen; size_t reflen; reflen = (len > pkt->buf->length) ? len : pkt->buf->length; if (reflen > SIZE_MAX / 2) { newlen = SIZE_MAX; } else { newlen = reflen * 2; if (newlen < DEFAULT_BUF_SIZE) newlen = DEFAULT_BUF_SIZE; } if (BUF_MEM_grow(pkt->buf, newlen) == 0) return 0; } *allocbytes = (unsigned char *)pkt->buf->data + pkt->curr; return 1; }
https://github.com/openssl/openssl/blob/e4e1aa903e624044d3319622fc50222f1b2c7328/ssl/packet.c/#L46
d2a_code_data_45736
static void char2_field_tests(void) { BN_CTX *ctx = NULL; BIGNUM *p, *a, *b; EC_GROUP *group; EC_GROUP *C2_K163 = NULL, *C2_K233 = NULL, *C2_K283 = NULL, *C2_K409 = NULL, *C2_K571 = NULL; EC_GROUP *C2_B163 = NULL, *C2_B233 = NULL, *C2_B283 = NULL, *C2_B409 = NULL, *C2_B571 = NULL; EC_POINT *P, *Q, *R; BIGNUM *x, *y, *z, *cof; unsigned char buf[100]; size_t i, len; int k; ctx = BN_CTX_new(); if (!ctx) ABORT; p = BN_new(); a = BN_new(); b = BN_new(); if (!p || !a || !b) ABORT; if (!BN_hex2bn(&p, "13")) ABORT; if (!BN_hex2bn(&a, "3")) ABORT; if (!BN_hex2bn(&b, "1")) ABORT; group = EC_GROUP_new(EC_GF2m_simple_method()); if (!group) ABORT; if (!EC_GROUP_set_curve_GF2m(group, p, a, b, ctx)) ABORT; { EC_GROUP *tmp; tmp = EC_GROUP_new(EC_GROUP_method_of(group)); if (!tmp) ABORT; if (!EC_GROUP_copy(tmp, group)) ABORT; EC_GROUP_free(group); group = tmp; } if (!EC_GROUP_get_curve_GF2m(group, p, a, b, ctx)) ABORT; fprintf(stdout, "Curve defined by Weierstrass equation\n y^2 + x*y = x^3 + a*x^2 + b (mod 0x"); BN_print_fp(stdout, p); fprintf(stdout, ")\n a = 0x"); BN_print_fp(stdout, a); fprintf(stdout, "\n b = 0x"); BN_print_fp(stdout, b); fprintf(stdout, "\n(0x... means binary polynomial)\n"); P = EC_POINT_new(group); Q = EC_POINT_new(group); R = EC_POINT_new(group); if (!P || !Q || !R) ABORT; if (!EC_POINT_set_to_infinity(group, P)) ABORT; if (!EC_POINT_is_at_infinity(group, P)) ABORT; buf[0] = 0; if (!EC_POINT_oct2point(group, Q, buf, 1, ctx)) ABORT; if (!EC_POINT_add(group, P, P, Q, ctx)) ABORT; if (!EC_POINT_is_at_infinity(group, P)) ABORT; x = BN_new(); y = BN_new(); z = BN_new(); cof = BN_new(); if (!x || !y || !z || !cof) ABORT; if (!BN_hex2bn(&x, "6")) ABORT; # ifdef OPENSSL_EC_BIN_PT_COMP if (!EC_POINT_set_compressed_coordinates_GF2m(group, Q, x, 1, ctx)) ABORT; # else if (!BN_hex2bn(&y, "8")) ABORT; if (!EC_POINT_set_affine_coordinates_GF2m(group, Q, x, y, ctx)) ABORT; # endif if (EC_POINT_is_on_curve(group, Q, ctx) <= 0) { # ifdef OPENSSL_EC_BIN_PT_COMP if (!EC_POINT_get_affine_coordinates_GF2m(group, Q, x, y, ctx)) ABORT; # endif fprintf(stderr, "Point is not on curve: x = 0x"); BN_print_fp(stderr, x); fprintf(stderr, ", y = 0x"); BN_print_fp(stderr, y); fprintf(stderr, "\n"); ABORT; } fprintf(stdout, "A cyclic subgroup:\n"); k = 100; do { if (k-- == 0) ABORT; if (EC_POINT_is_at_infinity(group, P)) fprintf(stdout, " point at infinity\n"); else { if (!EC_POINT_get_affine_coordinates_GF2m(group, P, x, y, ctx)) ABORT; fprintf(stdout, " x = 0x"); BN_print_fp(stdout, x); fprintf(stdout, ", y = 0x"); BN_print_fp(stdout, y); fprintf(stdout, "\n"); } if (!EC_POINT_copy(R, P)) ABORT; if (!EC_POINT_add(group, P, P, Q, ctx)) ABORT; } while (!EC_POINT_is_at_infinity(group, P)); if (!EC_POINT_add(group, P, Q, R, ctx)) ABORT; if (!EC_POINT_is_at_infinity(group, P)) ABORT; # ifdef OPENSSL_EC_BIN_PT_COMP len = EC_POINT_point2oct(group, Q, POINT_CONVERSION_COMPRESSED, buf, sizeof buf, ctx); if (len == 0) ABORT; if (!EC_POINT_oct2point(group, P, buf, len, ctx)) ABORT; if (0 != EC_POINT_cmp(group, P, Q, ctx)) ABORT; fprintf(stdout, "Generator as octet string, compressed form:\n "); for (i = 0; i < len; i++) fprintf(stdout, "%02X", buf[i]); # endif len = EC_POINT_point2oct(group, Q, POINT_CONVERSION_UNCOMPRESSED, buf, sizeof buf, ctx); if (len == 0) ABORT; if (!EC_POINT_oct2point(group, P, buf, len, ctx)) ABORT; if (0 != EC_POINT_cmp(group, P, Q, ctx)) ABORT; fprintf(stdout, "\nGenerator as octet string, uncompressed form:\n "); for (i = 0; i < len; i++) fprintf(stdout, "%02X", buf[i]); # ifdef OPENSSL_EC_BIN_PT_COMP len = EC_POINT_point2oct(group, Q, POINT_CONVERSION_HYBRID, buf, sizeof buf, ctx); if (len == 0) ABORT; if (!EC_POINT_oct2point(group, P, buf, len, ctx)) ABORT; if (0 != EC_POINT_cmp(group, P, Q, ctx)) ABORT; fprintf(stdout, "\nGenerator as octet string, hybrid form:\n "); for (i = 0; i < len; i++) fprintf(stdout, "%02X", buf[i]); # endif fprintf(stdout, "\n"); if (!EC_POINT_invert(group, P, ctx)) ABORT; if (0 != EC_POINT_cmp(group, P, R, ctx)) ABORT; CHAR2_CURVE_TEST ("NIST curve K-163", "0800000000000000000000000000000000000000C9", "1", "1", "02FE13C0537BBC11ACAA07D793DE4E6D5E5C94EEE8", "0289070FB05D38FF58321F2E800536D538CCDAA3D9", 1, "04000000000000000000020108A2E0CC0D99F8A5EF", "2", 163, C2_K163); CHAR2_CURVE_TEST ("NIST curve B-163", "0800000000000000000000000000000000000000C9", "1", "020A601907B8C953CA1481EB10512F78744A3205FD", "03F0EBA16286A2D57EA0991168D4994637E8343E36", "00D51FBC6C71A0094FA2CDD545B11C5C0C797324F1", 1, "040000000000000000000292FE77E70C12A4234C33", "2", 163, C2_B163); CHAR2_CURVE_TEST ("NIST curve K-233", "020000000000000000000000000000000000000004000000000000000001", "0", "1", "017232BA853A7E731AF129F22FF4149563A419C26BF50A4C9D6EEFAD6126", "01DB537DECE819B7F70F555A67C427A8CD9BF18AEB9B56E0C11056FAE6A3", 0, "008000000000000000000000000000069D5BB915BCD46EFB1AD5F173ABDF", "4", 233, C2_K233); CHAR2_CURVE_TEST ("NIST curve B-233", "020000000000000000000000000000000000000004000000000000000001", "000000000000000000000000000000000000000000000000000000000001", "0066647EDE6C332C7F8C0923BB58213B333B20E9CE4281FE115F7D8F90AD", "00FAC9DFCBAC8313BB2139F1BB755FEF65BC391F8B36F8F8EB7371FD558B", "01006A08A41903350678E58528BEBF8A0BEFF867A7CA36716F7E01F81052", 1, "01000000000000000000000000000013E974E72F8A6922031D2603CFE0D7", "2", 233, C2_B233); CHAR2_CURVE_TEST ("NIST curve K-283", "0800000000000000000000000000000000000000000000000000000000000000000010A1", "0", "1", "0503213F78CA44883F1A3B8162F188E553CD265F23C1567A16876913B0C2AC2458492836", "01CCDA380F1C9E318D90F95D07E5426FE87E45C0E8184698E45962364E34116177DD2259", 0, "01FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE9AE2ED07577265DFF7F94451E061E163C61", "4", 283, C2_K283); CHAR2_CURVE_TEST ("NIST curve B-283", "0800000000000000000000000000000000000000000000000000000000000000000010A1", "000000000000000000000000000000000000000000000000000000000000000000000001", "027B680AC8B8596DA5A4AF8A19A0303FCA97FD7645309FA2A581485AF6263E313B79A2F5", "05F939258DB7DD90E1934F8C70B0DFEC2EED25B8557EAC9C80E2E198F8CDBECD86B12053", "03676854FE24141CB98FE6D4B20D02B4516FF702350EDDB0826779C813F0DF45BE8112F4", 1, "03FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEF90399660FC938A90165B042A7CEFADB307", "2", 283, C2_B283); CHAR2_CURVE_TEST ("NIST curve K-409", "02000000000000000000000000000000000000000000000000000000000000000000000000000000008000000000000000000001", "0", "1", "0060F05F658F49C1AD3AB1890F7184210EFD0987E307C84C27ACCFB8F9F67CC2C460189EB5AAAA62EE222EB1B35540CFE9023746", "01E369050B7C4E42ACBA1DACBF04299C3460782F918EA427E6325165E9EA10E3DA5F6C42E9C55215AA9CA27A5863EC48D8E0286B", 1, "007FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE5F83B2D4EA20400EC4557D5ED3E3E7CA5B4B5C83B8E01E5FCF", "4", 409, C2_K409); CHAR2_CURVE_TEST ("NIST curve B-409", "02000000000000000000000000000000000000000000000000000000000000000000000000000000008000000000000000000001", "00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001", "0021A5C2C8EE9FEB5C4B9A753B7B476B7FD6422EF1F3DD674761FA99D6AC27C8A9A197B272822F6CD57A55AA4F50AE317B13545F", "015D4860D088DDB3496B0C6064756260441CDE4AF1771D4DB01FFE5B34E59703DC255A868A1180515603AEAB60794E54BB7996A7", "0061B1CFAB6BE5F32BBFA78324ED106A7636B9C5A7BD198D0158AA4F5488D08F38514F1FDF4B4F40D2181B3681C364BA0273C706", 1, "010000000000000000000000000000000000000000000000000001E2AAD6A612F33307BE5FA47C3C9E052F838164CD37D9A21173", "2", 409, C2_B409); CHAR2_CURVE_TEST ("NIST curve K-571", "80000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000425", "0", "1", "026EB7A859923FBC82189631F8103FE4AC9CA2970012D5D46024804801841CA44370958493B205E647DA304DB4CEB08CBBD1BA39494776FB988B47174DCA88C7E2945283A01C8972", "0349DC807F4FBF374F4AEADE3BCA95314DD58CEC9F307A54FFC61EFC006D8A2C9D4979C0AC44AEA74FBEBBB9F772AEDCB620B01A7BA7AF1B320430C8591984F601CD4C143EF1C7A3", 0, "020000000000000000000000000000000000000000000000000000000000000000000000131850E1F19A63E4B391A8DB917F4138B630D84BE5D639381E91DEB45CFE778F637C1001", "4", 571, C2_K571); CHAR2_CURVE_TEST ("NIST curve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if (!EC_POINT_copy(Q, P)) ABORT; if (EC_POINT_is_at_infinity(group, Q)) ABORT; if (!EC_POINT_dbl(group, P, P, ctx)) ABORT; if (EC_POINT_is_on_curve(group, P, ctx) <= 0) ABORT; if (!EC_POINT_invert(group, Q, ctx)) ABORT; if (!EC_POINT_add(group, R, P, Q, ctx)) ABORT; if (!EC_POINT_add(group, R, R, Q, ctx)) ABORT; if (!EC_POINT_is_at_infinity(group, R)) ABORT; { const EC_POINT *points[3]; const BIGNUM *scalars[3]; if (EC_POINT_is_at_infinity(group, Q)) ABORT; points[0] = Q; points[1] = Q; points[2] = Q; if (!BN_add(y, z, BN_value_one())) ABORT; if (BN_is_odd(y)) ABORT; if (!BN_rshift1(y, y)) ABORT; scalars[0] = y; scalars[1] = y; fprintf(stdout, "combined multiplication ..."); fflush(stdout); if (!EC_POINTs_mul(group, P, NULL, 2, points, scalars, ctx)) ABORT; if (!EC_POINTs_mul(group, R, z, 2, points, scalars, ctx)) ABORT; if (0 != EC_POINT_cmp(group, P, R, ctx)) ABORT; if (0 != EC_POINT_cmp(group, R, Q, ctx)) ABORT; fprintf(stdout, "."); fflush(stdout); if (!BN_pseudo_rand(y, BN_num_bits(y), 0, 0)) ABORT; if (!BN_add(z, z, y)) ABORT; BN_set_negative(z, 1); scalars[0] = y; scalars[1] = z; if (!EC_POINTs_mul(group, P, NULL, 2, points, scalars, ctx)) ABORT; if (!EC_POINT_is_at_infinity(group, P)) ABORT; fprintf(stdout, "."); fflush(stdout); if (!BN_pseudo_rand(x, BN_num_bits(y) - 1, 0, 0)) ABORT; if (!BN_add(z, x, y)) ABORT; BN_set_negative(z, 1); scalars[0] = x; scalars[1] = y; scalars[2] = z; if (!EC_POINTs_mul(group, P, NULL, 3, points, scalars, ctx)) ABORT; if (!EC_POINT_is_at_infinity(group, P)) ABORT; fprintf(stdout, " ok\n\n"); } BN_CTX_free(ctx); BN_free(p); BN_free(a); BN_free(b); EC_GROUP_free(group); EC_POINT_free(P); EC_POINT_free(Q); EC_POINT_free(R); BN_free(x); BN_free(y); BN_free(z); BN_free(cof); EC_GROUP_free(C2_K163); EC_GROUP_free(C2_B163); EC_GROUP_free(C2_K233); EC_GROUP_free(C2_B233); EC_GROUP_free(C2_K283); EC_GROUP_free(C2_B283); EC_GROUP_free(C2_K409); EC_GROUP_free(C2_B409); EC_GROUP_free(C2_K571); EC_GROUP_free(C2_B571); }
https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/test/ectest.c/#L953
d2a_code_data_45737
int ec_key_simple_check_key(const EC_KEY *eckey) { int ok = 0; BN_CTX *ctx = NULL; const BIGNUM *order = NULL; EC_POINT *point = NULL; if (eckey == NULL || eckey->group == NULL || eckey->pub_key == NULL) { ECerr(EC_F_EC_KEY_SIMPLE_CHECK_KEY, ERR_R_PASSED_NULL_PARAMETER); return 0; } if (EC_POINT_is_at_infinity(eckey->group, eckey->pub_key)) { ECerr(EC_F_EC_KEY_SIMPLE_CHECK_KEY, EC_R_POINT_AT_INFINITY); goto err; } if ((ctx = BN_CTX_new()) == NULL) goto err; if ((point = EC_POINT_new(eckey->group)) == NULL) goto err; if (EC_POINT_is_on_curve(eckey->group, eckey->pub_key, ctx) <= 0) { ECerr(EC_F_EC_KEY_SIMPLE_CHECK_KEY, EC_R_POINT_IS_NOT_ON_CURVE); goto err; } order = eckey->group->order; if (BN_is_zero(order)) { ECerr(EC_F_EC_KEY_SIMPLE_CHECK_KEY, EC_R_INVALID_GROUP_ORDER); goto err; } if (!EC_POINT_mul(eckey->group, point, NULL, eckey->pub_key, order, ctx)) { ECerr(EC_F_EC_KEY_SIMPLE_CHECK_KEY, ERR_R_EC_LIB); goto err; } if (!EC_POINT_is_at_infinity(eckey->group, point)) { ECerr(EC_F_EC_KEY_SIMPLE_CHECK_KEY, EC_R_WRONG_ORDER); goto err; } if (eckey->priv_key != NULL) { if (BN_cmp(eckey->priv_key, order) >= 0) { ECerr(EC_F_EC_KEY_SIMPLE_CHECK_KEY, EC_R_WRONG_ORDER); goto err; } if (!EC_POINT_mul(eckey->group, point, eckey->priv_key, NULL, NULL, ctx)) { ECerr(EC_F_EC_KEY_SIMPLE_CHECK_KEY, ERR_R_EC_LIB); goto err; } if (EC_POINT_cmp(eckey->group, point, eckey->pub_key, ctx) != 0) { ECerr(EC_F_EC_KEY_SIMPLE_CHECK_KEY, EC_R_INVALID_PRIVATE_KEY); goto err; } } ok = 1; err: BN_CTX_free(ctx); EC_POINT_free(point); return ok; }
https://github.com/openssl/openssl/blob/98c03302fb7b855647aa14022f61f5fb272e514a/crypto/ec/ec_key.c/#L332
d2a_code_data_45738
static void await_references(H264Context *h){ MpegEncContext * const s = &h->s; const int mb_xy= h->mb_xy; const int mb_type= s->current_picture.mb_type[mb_xy]; int refs[2][48]; int nrefs[2] = {0}; int ref, list; memset(refs, -1, sizeof(refs)); if(IS_16X16(mb_type)){ get_lowest_part_y(h, refs, 0, 16, 0, IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs); }else if(IS_16X8(mb_type)){ get_lowest_part_y(h, refs, 0, 8, 0, IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs); get_lowest_part_y(h, refs, 8, 8, 8, IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1), nrefs); }else if(IS_8X16(mb_type)){ get_lowest_part_y(h, refs, 0, 16, 0, IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs); get_lowest_part_y(h, refs, 4, 16, 0, IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1), nrefs); }else{ int i; assert(IS_8X8(mb_type)); for(i=0; i<4; i++){ const int sub_mb_type= h->sub_mb_type[i]; const int n= 4*i; int y_offset= (i&2)<<2; if(IS_SUB_8X8(sub_mb_type)){ get_lowest_part_y(h, refs, n , 8, y_offset, IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1), nrefs); }else if(IS_SUB_8X4(sub_mb_type)){ get_lowest_part_y(h, refs, n , 4, y_offset, IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1), nrefs); get_lowest_part_y(h, refs, n+2, 4, y_offset+4, IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1), nrefs); }else if(IS_SUB_4X8(sub_mb_type)){ get_lowest_part_y(h, refs, n , 8, y_offset, IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1), nrefs); get_lowest_part_y(h, refs, n+1, 8, y_offset, IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1), nrefs); }else{ int j; assert(IS_SUB_4X4(sub_mb_type)); for(j=0; j<4; j++){ int sub_y_offset= y_offset + 2*(j&2); get_lowest_part_y(h, refs, n+j, 4, sub_y_offset, IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1), nrefs); } } } } for(list=h->list_count-1; list>=0; list--){ for(ref=0; ref<48 && nrefs[list]; ref++){ int row = refs[list][ref]; if(row >= 0){ Picture *ref_pic = &h->ref_list[list][ref]; int ref_field = ref_pic->reference - 1; int ref_field_picture = ref_pic->field_picture; int pic_height = 16*s->mb_height >> ref_field_picture; row <<= MB_MBAFF; nrefs[list]--; if(!FIELD_PICTURE && ref_field_picture){ ff_thread_await_progress((AVFrame*)ref_pic, FFMIN((row >> 1) - !(row&1), pic_height-1), 1); ff_thread_await_progress((AVFrame*)ref_pic, FFMIN((row >> 1) , pic_height-1), 0); }else if(FIELD_PICTURE && !ref_field_picture){ ff_thread_await_progress((AVFrame*)ref_pic, FFMIN(row*2 + ref_field , pic_height-1), 0); }else if(FIELD_PICTURE){ ff_thread_await_progress((AVFrame*)ref_pic, FFMIN(row, pic_height-1), ref_field); }else{ ff_thread_await_progress((AVFrame*)ref_pic, FFMIN(row, pic_height-1), 0); } } } } }
https://github.com/libav/libav/blob/6a9c85944427e3c4355bce67d7f677ec69527bff/libavcodec/h264.c/#L357
d2a_code_data_45739
static int _dopr(char **sbuffer, char **buffer, size_t *maxlen, size_t *retlen, int *truncated, const char *format, va_list args) { char ch; LLONG value; LDOUBLE fvalue; char *strvalue; int min; int max; int state; int flags; int cflags; size_t currlen; state = DP_S_DEFAULT; flags = currlen = cflags = min = 0; max = -1; ch = *format++; while (state != DP_S_DONE) { if (ch == '\0' || (buffer == NULL && currlen >= *maxlen)) state = DP_S_DONE; switch (state) { case DP_S_DEFAULT: if (ch == '%') state = DP_S_FLAGS; else if(!doapr_outch(sbuffer, buffer, &currlen, maxlen, ch)) return 0; ch = *format++; break; case DP_S_FLAGS: switch (ch) { case '-': flags |= DP_F_MINUS; ch = *format++; break; case '+': flags |= DP_F_PLUS; ch = *format++; break; case ' ': flags |= DP_F_SPACE; ch = *format++; break; case '#': flags |= DP_F_NUM; ch = *format++; break; case '0': flags |= DP_F_ZERO; ch = *format++; break; default: state = DP_S_MIN; break; } break; case DP_S_MIN: if (isdigit((unsigned char)ch)) { min = 10 * min + char_to_int(ch); ch = *format++; } else if (ch == '*') { min = va_arg(args, int); ch = *format++; state = DP_S_DOT; } else state = DP_S_DOT; break; case DP_S_DOT: if (ch == '.') { state = DP_S_MAX; ch = *format++; } else state = DP_S_MOD; break; case DP_S_MAX: if (isdigit((unsigned char)ch)) { if (max < 0) max = 0; max = 10 * max + char_to_int(ch); ch = *format++; } else if (ch == '*') { max = va_arg(args, int); ch = *format++; state = DP_S_MOD; } else state = DP_S_MOD; break; case DP_S_MOD: switch (ch) { case 'h': cflags = DP_C_SHORT; ch = *format++; break; case 'l': if (*format == 'l') { cflags = DP_C_LLONG; format++; } else cflags = DP_C_LONG; ch = *format++; break; case 'q': cflags = DP_C_LLONG; ch = *format++; break; case 'L': cflags = DP_C_LDOUBLE; ch = *format++; break; default: break; } state = DP_S_CONV; break; case DP_S_CONV: switch (ch) { case 'd': case 'i': switch (cflags) { case DP_C_SHORT: value = (short int)va_arg(args, int); break; case DP_C_LONG: value = va_arg(args, long int); break; case DP_C_LLONG: value = va_arg(args, LLONG); break; default: value = va_arg(args, int); break; } if (!fmtint(sbuffer, buffer, &currlen, maxlen, value, 10, min, max, flags)) return 0; break; case 'X': flags |= DP_F_UP; case 'x': case 'o': case 'u': flags |= DP_F_UNSIGNED; switch (cflags) { case DP_C_SHORT: value = (unsigned short int)va_arg(args, unsigned int); break; case DP_C_LONG: value = (LLONG) va_arg(args, unsigned long int); break; case DP_C_LLONG: value = va_arg(args, unsigned LLONG); break; default: value = (LLONG) va_arg(args, unsigned int); break; } if (!fmtint(sbuffer, buffer, &currlen, maxlen, value, ch == 'o' ? 8 : (ch == 'u' ? 10 : 16), min, max, flags)) return 0; break; case 'f': if (cflags == DP_C_LDOUBLE) fvalue = va_arg(args, LDOUBLE); else fvalue = va_arg(args, double); if (!fmtfp(sbuffer, buffer, &currlen, maxlen, fvalue, min, max, flags, F_FORMAT)) return 0; break; case 'E': flags |= DP_F_UP; case 'e': if (cflags == DP_C_LDOUBLE) fvalue = va_arg(args, LDOUBLE); else fvalue = va_arg(args, double); if (!fmtfp(sbuffer, buffer, &currlen, maxlen, fvalue, min, max, flags, E_FORMAT)) return 0; break; case 'G': flags |= DP_F_UP; case 'g': if (cflags == DP_C_LDOUBLE) fvalue = va_arg(args, LDOUBLE); else fvalue = va_arg(args, double); if (!fmtfp(sbuffer, buffer, &currlen, maxlen, fvalue, min, max, flags, G_FORMAT)) return 0; break; case 'c': if(!doapr_outch(sbuffer, buffer, &currlen, maxlen, va_arg(args, int))) return 0; break; case 's': strvalue = va_arg(args, char *); if (max < 0) { if (buffer) max = INT_MAX; else max = *maxlen; } if (!fmtstr(sbuffer, buffer, &currlen, maxlen, strvalue, flags, min, max)) return 0; break; case 'p': value = (size_t)va_arg(args, void *); if (!fmtint(sbuffer, buffer, &currlen, maxlen, value, 16, min, max, flags | DP_F_NUM)) return 0; break; case 'n': if (cflags == DP_C_SHORT) { short int *num; num = va_arg(args, short int *); *num = currlen; } else if (cflags == DP_C_LONG) { long int *num; num = va_arg(args, long int *); *num = (long int)currlen; } else if (cflags == DP_C_LLONG) { LLONG *num; num = va_arg(args, LLONG *); *num = (LLONG) currlen; } else { int *num; num = va_arg(args, int *); *num = currlen; } break; case '%': if(!doapr_outch(sbuffer, buffer, &currlen, maxlen, ch)) return 0; break; case 'w': ch = *format++; break; default: break; } ch = *format++; state = DP_S_DEFAULT; flags = cflags = min = 0; max = -1; break; case DP_S_DONE: break; default: break; } } if (buffer == NULL) { *truncated = (currlen > *maxlen - 1); if (*truncated) currlen = *maxlen - 1; } if(!doapr_outch(sbuffer, buffer, &currlen, maxlen, '\0')) return 0; *retlen = currlen - 1; return 1; }
https://github.com/openssl/openssl/blob/8b9afbc0fc7f8be0049d389d34d9416fa377e2aa/crypto/bio/b_print.c/#L371
d2a_code_data_45740
IMPLEMENT_new_ctx(cfb1, CFB, 128)
https://github.com/openssl/openssl/blob/f79858ac4d90a450d0620d1ecb713bc35d7d9f8d/providers/common/ciphers/aes.c/#L311
d2a_code_data_45741
char *X509_NAME_oneline(X509_NAME *a, char *buf, int len) { X509_NAME_ENTRY *ne; int i; int n, lold, l, l1, l2, num, j, type; const char *s; char *p; unsigned char *q; BUF_MEM *b = NULL; static const char hex[17] = "0123456789ABCDEF"; int gs_doit[4]; char tmp_buf[80]; #ifdef CHARSET_EBCDIC unsigned char ebcdic_buf[1024]; #endif if (buf == NULL) { if ((b = BUF_MEM_new()) == NULL) goto err; if (!BUF_MEM_grow(b, 200)) goto err; b->data[0] = '\0'; len = 200; } else if (len == 0) { return NULL; } if (a == NULL) { if (b) { buf = b->data; OPENSSL_free(b); } strncpy(buf, "NO X509_NAME", len); buf[len - 1] = '\0'; return buf; } len--; l = 0; for (i = 0; i < sk_X509_NAME_ENTRY_num(a->entries); i++) { ne = sk_X509_NAME_ENTRY_value(a->entries, i); n = OBJ_obj2nid(ne->object); if ((n == NID_undef) || ((s = OBJ_nid2sn(n)) == NULL)) { i2t_ASN1_OBJECT(tmp_buf, sizeof(tmp_buf), ne->object); s = tmp_buf; } l1 = strlen(s); type = ne->value->type; num = ne->value->length; q = ne->value->data; #ifdef CHARSET_EBCDIC if (type == V_ASN1_GENERALSTRING || type == V_ASN1_VISIBLESTRING || type == V_ASN1_PRINTABLESTRING || type == V_ASN1_TELETEXSTRING || type == V_ASN1_VISIBLESTRING || type == V_ASN1_IA5STRING) { ascii2ebcdic(ebcdic_buf, q, (num > (int)sizeof(ebcdic_buf)) ? (int)sizeof(ebcdic_buf) : num); q = ebcdic_buf; } #endif if ((type == V_ASN1_GENERALSTRING) && ((num % 4) == 0)) { gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 0; for (j = 0; j < num; j++) if (q[j] != 0) gs_doit[j & 3] = 1; if (gs_doit[0] | gs_doit[1] | gs_doit[2]) gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1; else { gs_doit[0] = gs_doit[1] = gs_doit[2] = 0; gs_doit[3] = 1; } } else gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1; for (l2 = j = 0; j < num; j++) { if (!gs_doit[j & 3]) continue; l2++; #ifndef CHARSET_EBCDIC if ((q[j] < ' ') || (q[j] > '~')) l2 += 3; #else if ((os_toascii[q[j]] < os_toascii[' ']) || (os_toascii[q[j]] > os_toascii['~'])) l2 += 3; #endif } lold = l; l += 1 + l1 + 1 + l2; if (b != NULL) { if (!BUF_MEM_grow(b, l + 1)) goto err; p = &(b->data[lold]); } else if (l > len) { break; } else p = &(buf[lold]); *(p++) = '/'; memcpy(p, s, (unsigned int)l1); p += l1; *(p++) = '='; #ifndef CHARSET_EBCDIC q = ne->value->data; #endif for (j = 0; j < num; j++) { if (!gs_doit[j & 3]) continue; #ifndef CHARSET_EBCDIC n = q[j]; if ((n < ' ') || (n > '~')) { *(p++) = '\\'; *(p++) = 'x'; *(p++) = hex[(n >> 4) & 0x0f]; *(p++) = hex[n & 0x0f]; } else *(p++) = n; #else n = os_toascii[q[j]]; if ((n < os_toascii[' ']) || (n > os_toascii['~'])) { *(p++) = '\\'; *(p++) = 'x'; *(p++) = hex[(n >> 4) & 0x0f]; *(p++) = hex[n & 0x0f]; } else *(p++) = q[j]; #endif } *p = '\0'; } if (b != NULL) { p = b->data; OPENSSL_free(b); } else p = buf; if (i == 0) *p = '\0'; return (p); err: X509err(X509_F_X509_NAME_ONELINE, ERR_R_MALLOC_FAILURE); BUF_MEM_free(b); return (NULL); }
https://github.com/openssl/openssl/blob/b33d1141b6dcce947708b984c5e9e91dad3d675d/crypto/x509/x509_obj.c/#L97
d2a_code_data_45742
int BN_hex2bn(BIGNUM **bn, const char *a) { BIGNUM *ret = NULL; BN_ULONG l = 0; int neg = 0, h, m, i, j, k, c; int num; if (a == NULL || *a == '\0') return 0; if (*a == '-') { neg = 1; a++; } for (i = 0; i <= INT_MAX / 4 && ossl_isxdigit(a[i]); i++) continue; if (i == 0 || i > INT_MAX / 4) goto err; num = i + neg; if (bn == NULL) return num; if (*bn == NULL) { if ((ret = BN_new()) == NULL) return 0; } else { ret = *bn; BN_zero(ret); } if (bn_expand(ret, i * 4) == NULL) goto err; j = i; m = 0; h = 0; while (j > 0) { m = (BN_BYTES * 2 <= j) ? BN_BYTES * 2 : j; l = 0; for (;;) { c = a[j - m]; k = OPENSSL_hexchar2int(c); if (k < 0) k = 0; l = (l << 4) | k; if (--m <= 0) { ret->d[h++] = l; break; } } j -= BN_BYTES * 2; } ret->top = h; bn_correct_top(ret); *bn = ret; bn_check_top(ret); if (ret->top != 0) ret->neg = neg; return num; err: if (*bn == NULL) BN_free(ret); return 0; }
https://github.com/openssl/openssl/blob/f91e026e38321d0c154f535ecd5af09e424e7f1b/crypto/bn/bn_print.c/#L171
d2a_code_data_45743
static void frame_end(MpegEncContext *s) { int i; if (s->unrestricted_mv && s->current_picture.reference && !s->intra_only) { const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(s->avctx->pix_fmt); int hshift = desc->log2_chroma_w; int vshift = desc->log2_chroma_h; s->mpvencdsp.draw_edges(s->current_picture.f->data[0], s->linesize, s->h_edge_pos, s->v_edge_pos, EDGE_WIDTH, EDGE_WIDTH, EDGE_TOP | EDGE_BOTTOM); s->mpvencdsp.draw_edges(s->current_picture.f->data[1], s->uvlinesize, s->h_edge_pos >> hshift, s->v_edge_pos >> vshift, EDGE_WIDTH >> hshift, EDGE_WIDTH >> vshift, EDGE_TOP | EDGE_BOTTOM); s->mpvencdsp.draw_edges(s->current_picture.f->data[2], s->uvlinesize, s->h_edge_pos >> hshift, s->v_edge_pos >> vshift, EDGE_WIDTH >> hshift, EDGE_WIDTH >> vshift, EDGE_TOP | EDGE_BOTTOM); } emms_c(); s->last_pict_type = s->pict_type; s->last_lambda_for [s->pict_type] = s->current_picture_ptr->f->quality; if (s->pict_type!= AV_PICTURE_TYPE_B) s->last_non_b_pict_type = s->pict_type; if (s->encoding) { for (i = 0; i < MAX_PICTURE_COUNT; i++) { if (!s->picture[i].reference) ff_mpeg_unref_picture(s->avctx, &s->picture[i]); } } #if FF_API_CODED_FRAME FF_DISABLE_DEPRECATION_WARNINGS av_frame_copy_props(s->avctx->coded_frame, s->current_picture.f); FF_ENABLE_DEPRECATION_WARNINGS #endif #if FF_API_ERROR_FRAME FF_DISABLE_DEPRECATION_WARNINGS memcpy(s->current_picture.f->error, s->current_picture.encoding_error, sizeof(s->current_picture.encoding_error)); FF_ENABLE_DEPRECATION_WARNINGS #endif }
https://github.com/libav/libav/blob/fe66671bd5f446f8d0a9c70968ba8fe891efe028/libavcodec/mpegvideo_enc.c/#L1454
d2a_code_data_45744
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; size_t reflen; reflen = (len > pkt->buf->length) ? len : pkt->buf->length; if (reflen > SIZE_MAX / 2) { newlen = SIZE_MAX; } else { newlen = reflen * 2; if (newlen < DEFAULT_BUF_SIZE) newlen = DEFAULT_BUF_SIZE; } if (BUF_MEM_grow(pkt->buf, newlen) == 0) return 0; } *allocbytes = (unsigned char *)pkt->buf->data + pkt->curr; pkt->written += len; pkt->curr += len; return 1; }
https://github.com/openssl/openssl/blob/7507e73d409b8f3046d6efcc3f4c0b6208b59b64/ssl/packet.c/#L25
d2a_code_data_45745
void ff_mpa_synth_filter(MPA_INT *synth_buf_ptr, int *synth_buf_offset, MPA_INT *window, int *dither_state, OUT_INT *samples, int incr, int32_t sb_samples[SBLIMIT]) { int32_t tmp[32]; register MPA_INT *synth_buf; register const MPA_INT *w, *w2, *p; int j, offset, v; OUT_INT *samples2; #if FRAC_BITS <= 15 int sum, sum2; #else int64_t sum, sum2; #endif dct32(tmp, sb_samples); offset = *synth_buf_offset; synth_buf = synth_buf_ptr + offset; for(j=0;j<32;j++) { v = tmp[j]; #if FRAC_BITS <= 15 v = av_clip_int16(v); #endif synth_buf[j] = v; } memcpy(synth_buf + 512, synth_buf, 32 * sizeof(MPA_INT)); samples2 = samples + 31 * incr; w = window; w2 = window + 31; sum = *dither_state; p = synth_buf + 16; SUM8(sum, +=, w, p); p = synth_buf + 48; SUM8(sum, -=, w + 32, p); *samples = round_sample(&sum); samples += incr; w++; for(j=1;j<16;j++) { sum2 = 0; p = synth_buf + 16 + j; SUM8P2(sum, +=, sum2, -=, w, w2, p); p = synth_buf + 48 - j; SUM8P2(sum, -=, sum2, -=, w + 32, w2 + 32, p); *samples = round_sample(&sum); samples += incr; sum += sum2; *samples2 = round_sample(&sum); samples2 -= incr; w++; w2--; } p = synth_buf + 32; SUM8(sum, -=, w + 32, p); *samples = round_sample(&sum); *dither_state= sum; offset = (offset - 32) & 511; *synth_buf_offset = offset; }
https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/mpegaudiodec.c/#L909
d2a_code_data_45746
static void decode_const_block_data(ALSDecContext *ctx, ALSBlockData *bd) { int smp = bd->block_length - 1; int32_t val = *bd->raw_samples; int32_t *dst = bd->raw_samples + 1; for (; smp; smp--) *dst++ = val; }
https://github.com/libav/libav/blob/582963a8156522582e55466be4a59974a8d909a5/libavcodec/alsdec.c/#L579
d2a_code_data_45747
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/#L1056
d2a_code_data_45748
static const char *skip_space(const char *s) { while (ossl_isspace(*s)) s++; return s; }
https://github.com/openssl/openssl/blob/bddf965d29cb4a9c4d6eeb94aa96dfa47d0cfa5d/crypto/property/property_parse.c/#L54
d2a_code_data_45749
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/#L105
d2a_code_data_45750
void avcodec_default_release_buffer(AVCodecContext *s, AVFrame *pic){ int i; InternalBuffer *buf, *last; assert(pic->type==FF_BUFFER_TYPE_INTERNAL); assert(s->internal_buffer_count); if(s->internal_buffer){ buf = NULL; for(i=0; i<s->internal_buffer_count; i++){ buf= &((InternalBuffer*)s->internal_buffer)[i]; if(buf->data[0] == pic->data[0]) break; } assert(i < s->internal_buffer_count); s->internal_buffer_count--; last = &((InternalBuffer*)s->internal_buffer)[s->internal_buffer_count]; FFSWAP(InternalBuffer, *buf, *last); } for(i=0; i<4; i++){ pic->data[i]=NULL; } if(s->debug&FF_DEBUG_BUFFERS) av_log(s, AV_LOG_DEBUG, "default_release_buffer called on pic %p, %d buffers used\n", pic, s->internal_buffer_count); }
https://github.com/libav/libav/blob/4578435f35888c95b12a53a12cdab612ac3fef04/libavcodec/utils.c/#L373
d2a_code_data_45751
static unsigned int BN_STACK_pop(BN_STACK *st) { return st->indexes[--(st->depth)]; }
https://github.com/openssl/openssl/blob/fff684168c7923aa85e6b4381d71d933396e32b0/crypto/bn/bn_ctx.c/#L268
d2a_code_data_45752
static char * ngx_http_geo_add_range(ngx_conf_t *cf, ngx_http_geo_conf_ctx_t *ctx, in_addr_t start, in_addr_t end) { in_addr_t n; ngx_uint_t h, i, s, e; ngx_array_t *a; ngx_http_geo_range_t *range; for (n = start; n <= end; n += 0x10000) { h = n >> 16; if (n == start) { s = n & 0xffff; } else { s = 0; } if ((n | 0xffff) > end) { e = end & 0xffff; } else { e = 0xffff; } a = (ngx_array_t *) ctx->high->low[h].ranges; if (a == NULL) { a = ngx_array_create(ctx->temp_pool, 64, sizeof(ngx_http_geo_range_t)); if (a == NULL) { return NGX_CONF_ERROR; } ctx->high->low[h].ranges = (ngx_http_geo_range_t *) a; } i = a->nelts; range = a->elts; while (i) { i--; if (e < (ngx_uint_t) range[i].start) { continue; } if (s > (ngx_uint_t) range[i].end) { range = ngx_array_push(a); if (range == NULL) { return NGX_CONF_ERROR; } range = a->elts; ngx_memcpy(&range[i + 2], &range[i + 1], (a->nelts - 2 - i) * sizeof(ngx_http_geo_range_t)); range[i + 1].start = (u_short) s; range[i + 1].end = (u_short) e; range[i + 1].value = ctx->value; goto next; } if (s == (ngx_uint_t) range[i].start && e == (ngx_uint_t) range[i].end) { ngx_conf_log_error(NGX_LOG_WARN, cf, 0, "duplicate range \"%V\", value: \"%v\", old value: \"%v\"", ctx->net, ctx->value, range[i].value); range[i].value = ctx->value; goto next; } if (s > (ngx_uint_t) range[i].start && e < (ngx_uint_t) range[i].end) { range = ngx_array_push(a); if (range == NULL) { return NGX_CONF_ERROR; } range = ngx_array_push(a); if (range == NULL) { return NGX_CONF_ERROR; } range = a->elts; ngx_memcpy(&range[i + 3], &range[i + 1], (a->nelts - 3 - i) * sizeof(ngx_http_geo_range_t)); range[i + 2].start = (u_short) (e + 1); range[i + 2].end = range[i].end; range[i + 2].value = range[i].value; range[i + 1].start = (u_short) s; range[i + 1].end = (u_short) e; range[i + 1].value = ctx->value; range[i].end = (u_short) (s - 1); goto next; } if (s == (ngx_uint_t) range[i].start && e < (ngx_uint_t) range[i].end) { range = ngx_array_push(a); if (range == NULL) { return NGX_CONF_ERROR; } range = a->elts; ngx_memcpy(&range[i + 1], &range[i], (a->nelts - 1 - i) * sizeof(ngx_http_geo_range_t)); range[i + 1].start = (u_short) (e + 1); range[i].start = (u_short) s; range[i].end = (u_short) e; range[i].value = ctx->value; goto next; } if (s > (ngx_uint_t) range[i].start && e == (ngx_uint_t) range[i].end) { range = ngx_array_push(a); if (range == NULL) { return NGX_CONF_ERROR; } range = a->elts; ngx_memcpy(&range[i + 2], &range[i + 1], (a->nelts - 2 - i) * sizeof(ngx_http_geo_range_t)); range[i + 1].start = (u_short) s; range[i + 1].end = (u_short) e; range[i + 1].value = ctx->value; range[i].end = (u_short) (s - 1); goto next; } s = (ngx_uint_t) range[i].start; e = (ngx_uint_t) range[i].end; ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "range \"%V\" overlaps \"%d.%d.%d.%d-%d.%d.%d.%d\"", ctx->net, h >> 8, h & 0xff, s >> 8, s & 0xff, h >> 8, h & 0xff, e >> 8, e & 0xff); return NGX_CONF_ERROR; } range = ngx_array_push(a); if (range == NULL) { return NGX_CONF_ERROR; } range->start = (u_short) s; range->end = (u_short) e; range->value = ctx->value; next: continue; } return NGX_CONF_OK; }
https://github.com/nginx/nginx/blob/e4ecddfdb0d2ffc872658e36028971ad9a873726/src/http/modules/ngx_http_geo_module.c/#L643
d2a_code_data_45753
static unsigned int BN_STACK_pop(BN_STACK *st) { return st->indexes[--(st->depth)]; }
https://github.com/openssl/openssl/blob/1588a3cae72e60071f1f8a89dbd1356bc08581fc/crypto/bn/bn_ctx.c/#L353