id stringlengths 19 19 | content stringlengths 22 69.3k | max_stars_repo_path stringlengths 91 133 |
|---|---|---|
d2a_code_data_43054 | static int sab_diamond_search(MpegEncContext * s, int *best, int dmin,
int src_index, int ref_index, int const penalty_factor,
int size, int h, int flags)
{
MotionEstContext * const c= &s->me;
me_cmp_func cmpf, chroma_cmpf;
Minima minima[MAX_SAB_SIZE];
const int minima_count= FFABS(c->dia_size);
int i, j;
LOAD_COMMON
LOAD_COMMON2
int map_generation= c->map_generation;
cmpf= s->dsp.me_cmp[size];
chroma_cmpf= s->dsp.me_cmp[size+1];
for(j=i=0; i<ME_MAP_SIZE && j<MAX_SAB_SIZE; i++){
uint32_t key= map[i];
key += (1<<(ME_MAP_MV_BITS-1)) + (1<<(2*ME_MAP_MV_BITS-1));
if((key&((-1)<<(2*ME_MAP_MV_BITS))) != map_generation) continue;
minima[j].height= score_map[i];
minima[j].x= key & ((1<<ME_MAP_MV_BITS)-1); key>>=ME_MAP_MV_BITS;
minima[j].y= key & ((1<<ME_MAP_MV_BITS)-1);
minima[j].x-= (1<<(ME_MAP_MV_BITS-1));
minima[j].y-= (1<<(ME_MAP_MV_BITS-1));
if( minima[j].x > xmax || minima[j].x < xmin
|| minima[j].y > ymax || minima[j].y < ymin)
continue;
minima[j].checked=0;
if(minima[j].x || minima[j].y)
minima[j].height+= (mv_penalty[((minima[j].x)<<shift)-pred_x] + mv_penalty[((minima[j].y)<<shift)-pred_y])*penalty_factor;
j++;
}
qsort(minima, j, sizeof(Minima), minima_cmp);
for(; j<minima_count; j++){
minima[j].height=256*256*256*64;
minima[j].checked=0;
minima[j].x= minima[j].y=0;
}
for(i=0; i<minima_count; i++){
const int x= minima[i].x;
const int y= minima[i].y;
int d;
if(minima[i].checked) continue;
if( x >= xmax || x <= xmin
|| y >= ymax || y <= ymin)
continue;
SAB_CHECK_MV(x-1, y)
SAB_CHECK_MV(x+1, y)
SAB_CHECK_MV(x , y-1)
SAB_CHECK_MV(x , y+1)
minima[i].checked= 1;
}
best[0]= minima[0].x;
best[1]= minima[0].y;
dmin= minima[0].height;
if( best[0] < xmax && best[0] > xmin
&& best[1] < ymax && best[1] > ymin){
int d;
CHECK_MV(best[0]-1, best[1])
CHECK_MV(best[0]+1, best[1])
CHECK_MV(best[0], best[1]-1)
CHECK_MV(best[0], best[1]+1)
}
return dmin;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/motion_est_template.c/#L869 |
d2a_code_data_43055 | static void new_audio_stream(AVFormatContext *oc)
{
AVStream *st;
AVCodecContext *audio_enc;
enum CodecID codec_id;
st = av_new_stream(oc, streamid_map[oc->nb_streams]);
if (!st) {
fprintf(stderr, "Could not alloc stream\n");
ffmpeg_exit(1);
}
avcodec_get_context_defaults2(st->codec, AVMEDIA_TYPE_AUDIO);
bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
audio_bitstream_filters= NULL;
avcodec_thread_init(st->codec, thread_count);
audio_enc = st->codec;
audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
if(audio_codec_tag)
audio_enc->codec_tag= audio_codec_tag;
if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
avcodec_opts[AVMEDIA_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
}
if (audio_stream_copy) {
st->stream_copy = 1;
audio_enc->channels = audio_channels;
audio_enc->sample_rate = audio_sample_rate;
} else {
AVCodec *codec;
set_context_opts(audio_enc, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
if (audio_codec_name) {
codec_id = find_codec_or_die(audio_codec_name, AVMEDIA_TYPE_AUDIO, 1,
audio_enc->strict_std_compliance);
codec = avcodec_find_encoder_by_name(audio_codec_name);
output_codecs[nb_ocodecs] = codec;
} else {
codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_AUDIO);
codec = avcodec_find_encoder(codec_id);
}
audio_enc->codec_id = codec_id;
if (audio_qscale > QSCALE_NONE) {
audio_enc->flags |= CODEC_FLAG_QSCALE;
audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
}
audio_enc->channels = audio_channels;
audio_enc->sample_fmt = audio_sample_fmt;
audio_enc->sample_rate = audio_sample_rate;
audio_enc->channel_layout = channel_layout;
if (avcodec_channel_layout_num_channels(channel_layout) != audio_channels)
audio_enc->channel_layout = 0;
choose_sample_fmt(st, codec);
choose_sample_rate(st, codec);
}
nb_ocodecs++;
audio_enc->time_base= (AVRational){1, audio_sample_rate};
if (audio_language) {
av_metadata_set2(&st->metadata, "language", audio_language, 0);
av_freep(&audio_language);
}
audio_disable = 0;
av_freep(&audio_codec_name);
audio_stream_copy = 0;
} | https://github.com/libav/libav/blob/ad0d70c964f852a18e9ab8124f0e7aa8876cac6e/ffmpeg.c/#L3501 |
d2a_code_data_43056 | uintptr_t
ngx_escape_uri(u_char *dst, u_char *src, size_t size, ngx_uint_t type)
{
ngx_uint_t n;
uint32_t *escape;
static u_char hex[] = "0123456789ABCDEF";
static uint32_t uri[] = {
0xffffffff,
0x80000029,
0x00000000,
0x80000000,
0xffffffff,
0xffffffff,
0xffffffff,
0xffffffff
};
static uint32_t args[] = {
0xffffffff,
0x88000869,
0x00000000,
0x80000000,
0xffffffff,
0xffffffff,
0xffffffff,
0xffffffff
};
static uint32_t uri_component[] = {
0xffffffff,
0xfc009fff,
0x78000001,
0xb8000001,
0xffffffff,
0xffffffff,
0xffffffff,
0xffffffff
};
static uint32_t html[] = {
0xffffffff,
0x000000ad,
0x00000000,
0x80000000,
0xffffffff,
0xffffffff,
0xffffffff,
0xffffffff
};
static uint32_t refresh[] = {
0xffffffff,
0x00000085,
0x00000000,
0x80000000,
0xffffffff,
0xffffffff,
0xffffffff,
0xffffffff
};
static uint32_t memcached[] = {
0xffffffff,
0x00000021,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
};
static uint32_t *map[] =
{ uri, args, uri_component, html, refresh, memcached, memcached };
escape = map[type];
if (dst == NULL) {
n = 0;
while (size) {
if (escape[*src >> 5] & (1U << (*src & 0x1f))) {
n++;
}
src++;
size--;
}
return (uintptr_t) n;
}
while (size) {
if (escape[*src >> 5] & (1U << (*src & 0x1f))) {
*dst++ = '%';
*dst++ = hex[*src >> 4];
*dst++ = hex[*src & 0xf];
src++;
} else {
*dst++ = *src++;
}
size--;
}
return (uintptr_t) dst;
} | https://github.com/nginx/nginx/blob/6299f5e9149483251bbbcc8ad26cf29b6109e75c/src/core/ngx_string.c/#L1579 |
d2a_code_data_43057 | static void opt_output_file(void *optctx, const char *filename)
{
OptionsContext *o = optctx;
AVFormatContext *oc;
int i, err;
AVOutputFormat *file_oformat;
OutputStream *ost;
InputStream *ist;
if (!strcmp(filename, "-"))
filename = "pipe:";
oc = avformat_alloc_context();
if (!oc) {
print_error(filename, AVERROR(ENOMEM));
exit_program(1);
}
if (o->format) {
file_oformat = av_guess_format(o->format, NULL, NULL);
if (!file_oformat) {
av_log(NULL, AV_LOG_FATAL, "Requested output format '%s' is not a suitable output format\n", o->format);
exit_program(1);
}
} else {
file_oformat = av_guess_format(NULL, filename, NULL);
if (!file_oformat) {
av_log(NULL, AV_LOG_FATAL, "Unable to find a suitable output format for '%s'\n",
filename);
exit_program(1);
}
}
oc->oformat = file_oformat;
oc->interrupt_callback = int_cb;
av_strlcpy(oc->filename, filename, sizeof(oc->filename));
if (!o->nb_stream_maps) {
#define NEW_STREAM(type, index)\
if (index >= 0) {\
ost = new_ ## type ## _stream(o, oc);\
ost->source_index = index;\
ost->sync_ist = &input_streams[index];\
input_streams[index].discard = 0;\
}
if (!o->video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
int area = 0, idx = -1;
for (i = 0; i < nb_input_streams; i++) {
ist = &input_streams[i];
if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
ist->st->codec->width * ist->st->codec->height > area) {
area = ist->st->codec->width * ist->st->codec->height;
idx = i;
}
}
NEW_STREAM(video, idx);
}
if (!o->audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
int channels = 0, idx = -1;
for (i = 0; i < nb_input_streams; i++) {
ist = &input_streams[i];
if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
ist->st->codec->channels > channels) {
channels = ist->st->codec->channels;
idx = i;
}
}
NEW_STREAM(audio, idx);
}
if (!o->subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
for (i = 0; i < nb_input_streams; i++)
if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
NEW_STREAM(subtitle, i);
break;
}
}
} else {
for (i = 0; i < o->nb_stream_maps; i++) {
StreamMap *map = &o->stream_maps[i];
if (map->disabled)
continue;
ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
switch (ist->st->codec->codec_type) {
case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break;
case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc); break;
default:
av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d:%d - unsupported type.\n",
map->file_index, map->stream_index);
exit_program(1);
}
ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
map->sync_stream_index];
ist->discard = 0;
}
}
for (i = 0; i < o->nb_attachments; i++) {
AVIOContext *pb;
uint8_t *attachment;
const char *p;
int64_t len;
if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
o->attachments[i]);
exit_program(1);
}
if ((len = avio_size(pb)) <= 0) {
av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
o->attachments[i]);
exit_program(1);
}
if (!(attachment = av_malloc(len))) {
av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
o->attachments[i]);
exit_program(1);
}
avio_read(pb, attachment, len);
ost = new_attachment_stream(o, oc);
ost->stream_copy = 0;
ost->source_index = -1;
ost->attachment_filename = o->attachments[i];
ost->st->codec->extradata = attachment;
ost->st->codec->extradata_size = len;
p = strrchr(o->attachments[i], '/');
av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
avio_close(pb);
}
output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
output_files[nb_output_files - 1].ctx = oc;
output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
output_files[nb_output_files - 1].recording_time = o->recording_time;
output_files[nb_output_files - 1].start_time = o->start_time;
output_files[nb_output_files - 1].limit_filesize = o->limit_filesize;
av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
if (!av_filename_number_test(oc->filename)) {
print_error(oc->filename, AVERROR(EINVAL));
exit_program(1);
}
}
if (!(oc->oformat->flags & AVFMT_NOFILE)) {
assert_file_overwrite(filename);
if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
&oc->interrupt_callback,
&output_files[nb_output_files - 1].opts)) < 0) {
print_error(filename, err);
exit_program(1);
}
}
if (o->mux_preload) {
uint8_t buf[64];
snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE));
av_dict_set(&output_files[nb_output_files - 1].opts, "preload", buf, 0);
}
oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
oc->flags |= AVFMT_FLAG_NONBLOCK;
for (i = 0; i < o->nb_metadata_map; i++) {
char *p;
int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
if (in_file_index < 0)
continue;
if (in_file_index >= nb_input_files) {
av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
exit_program(1);
}
copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc, input_files[in_file_index].ctx, o);
}
if (o->chapters_input_file >= nb_input_files) {
if (o->chapters_input_file == INT_MAX) {
o->chapters_input_file = -1;
for (i = 0; i < nb_input_files; i++)
if (input_files[i].ctx->nb_chapters) {
o->chapters_input_file = i;
break;
}
} else {
av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
o->chapters_input_file);
exit_program(1);
}
}
if (o->chapters_input_file >= 0)
copy_chapters(&input_files[o->chapters_input_file], &output_files[nb_output_files - 1],
!o->metadata_chapters_manual);
if (!o->metadata_global_manual && nb_input_files)
av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
AV_DICT_DONT_OVERWRITE);
if (!o->metadata_streams_manual)
for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
InputStream *ist;
if (output_streams[i].source_index < 0)
continue;
ist = &input_streams[output_streams[i].source_index];
av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
}
for (i = 0; i < o->nb_metadata; i++) {
AVDictionary **m;
char type, *val;
const char *stream_spec;
int index = 0, j, ret;
val = strchr(o->metadata[i].u.str, '=');
if (!val) {
av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
o->metadata[i].u.str);
exit_program(1);
}
*val++ = 0;
parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
if (type == 's') {
for (j = 0; j < oc->nb_streams; j++) {
if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) {
av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0);
} else if (ret < 0)
exit_program(1);
}
printf("ret %d, stream_spec %s\n", ret, stream_spec);
}
else {
switch (type) {
case 'g':
m = &oc->metadata;
break;
case 'c':
if (index < 0 || index >= oc->nb_chapters) {
av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
exit_program(1);
}
m = &oc->chapters[index]->metadata;
break;
default:
av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
exit_program(1);
}
av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
}
}
reset_options(o);
} | https://github.com/libav/libav/blob/e1e369049e3d2f88eed6ed38eb3dd704681c7f1a/avconv.c/#L3812 |
d2a_code_data_43058 | int test_kron(BIO *bp, BN_CTX *ctx)
{
BN_GENCB cb;
BIGNUM *a, *b, *r, *t;
int i;
int legendre, kronecker;
int ret = 0;
a = BN_new();
b = BN_new();
r = BN_new();
t = BN_new();
if (a == NULL || b == NULL || r == NULL || t == NULL)
goto err;
BN_GENCB_set(&cb, genprime_cb, NULL);
if (!BN_generate_prime_ex(b, 512, 0, NULL, NULL, &cb))
goto err;
b->neg = rand_neg();
putc('\n', stderr);
for (i = 0; i < num0; i++) {
if (!BN_bntest_rand(a, 512, 0, 0))
goto err;
a->neg = rand_neg();
if (!BN_copy(t, b))
goto err;
t->neg = 0;
if (!BN_sub_word(t, 1))
goto err;
if (!BN_rshift1(t, t))
goto err;
b->neg = 0;
if (!BN_mod_exp_recp(r, a, t, b, ctx))
goto err;
b->neg = 1;
if (BN_is_word(r, 1))
legendre = 1;
else if (BN_is_zero(r))
legendre = 0;
else {
if (!BN_add_word(r, 1))
goto err;
if (0 != BN_ucmp(r, b)) {
fprintf(stderr, "Legendre symbol computation failed\n");
goto err;
}
legendre = -1;
}
kronecker = BN_kronecker(a, b, ctx);
if (kronecker < -1)
goto err;
if (a->neg && b->neg)
kronecker = -kronecker;
if (legendre != kronecker) {
fprintf(stderr, "legendre != kronecker; a = ");
BN_print_fp(stderr, a);
fprintf(stderr, ", b = ");
BN_print_fp(stderr, b);
fprintf(stderr, "\n");
goto err;
}
putc('.', stderr);
fflush(stderr);
}
putc('\n', stderr);
fflush(stderr);
ret = 1;
err:
BN_free(a);
BN_free(b);
BN_free(r);
BN_free(t);
return ret;
} | https://github.com/openssl/openssl/blob/d9e309a675900030d7308e36f614962a344816f9/test/bntest.c/#L1733 |
d2a_code_data_43059 | static int
matroska_parse_seekhead (MatroskaDemuxContext *matroska)
{
int res = 0;
uint32_t id;
av_log(matroska->ctx, AV_LOG_DEBUG, "parsing seekhead...\n");
while (res == 0) {
if (!(id = ebml_peek_id(matroska, &matroska->level_up))) {
res = AVERROR(EIO);
break;
} else if (matroska->level_up) {
matroska->level_up--;
break;
}
switch (id) {
case MATROSKA_ID_SEEKENTRY: {
uint32_t seek_id = 0, peek_id_cache = 0;
uint64_t seek_pos = (uint64_t) -1, t;
if ((res = ebml_read_master(matroska, &id)) < 0)
break;
while (res == 0) {
if (!(id = ebml_peek_id(matroska, &matroska->level_up))) {
res = AVERROR(EIO);
break;
} else if (matroska->level_up) {
matroska->level_up--;
break;
}
switch (id) {
case MATROSKA_ID_SEEKID:
res = ebml_read_uint(matroska, &id, &t);
seek_id = t;
break;
case MATROSKA_ID_SEEKPOSITION:
res = ebml_read_uint(matroska, &id, &seek_pos);
break;
default:
av_log(matroska->ctx, AV_LOG_INFO,
"Unknown seekhead ID 0x%x\n", id);
case EBML_ID_VOID:
res = ebml_read_skip(matroska);
break;
}
if (matroska->level_up) {
matroska->level_up--;
break;
}
}
if (!seek_id || seek_pos == (uint64_t) -1) {
av_log(matroska->ctx, AV_LOG_INFO,
"Incomplete seekhead entry (0x%x/%"PRIu64")\n",
seek_id, seek_pos);
break;
}
switch (seek_id) {
case MATROSKA_ID_CUES:
case MATROSKA_ID_TAGS: {
uint32_t level_up = matroska->level_up;
offset_t before_pos;
uint64_t length;
MatroskaLevel level;
peek_id_cache = matroska->peek_id;
before_pos = url_ftell(matroska->ctx->pb);
if ((res = ebml_read_seek(matroska, seek_pos +
matroska->segment_start)) < 0)
return res;
if (matroska->num_levels == EBML_MAX_DEPTH) {
av_log(matroska->ctx, AV_LOG_INFO,
"Max EBML element depth (%d) reached, "
"cannot parse further.\n", EBML_MAX_DEPTH);
return AVERROR_UNKNOWN;
}
level.start = 0;
level.length = (uint64_t)-1;
matroska->levels[matroska->num_levels] = level;
matroska->num_levels++;
if (!(id = ebml_peek_id (matroska,
&matroska->level_up)))
goto finish;
if (id != seek_id) {
av_log(matroska->ctx, AV_LOG_INFO,
"We looked for ID=0x%x but got "
"ID=0x%x (pos=%"PRIu64")",
seek_id, id, seek_pos +
matroska->segment_start);
goto finish;
}
if ((res = ebml_read_master(matroska, &id)) < 0)
goto finish;
switch (id) {
case MATROSKA_ID_CUES:
if (!(res = matroska_parse_index(matroska)) ||
url_feof(matroska->ctx->pb)) {
matroska->index_parsed = 1;
res = 0;
}
break;
case MATROSKA_ID_TAGS:
if (!(res = matroska_parse_metadata(matroska)) ||
url_feof(matroska->ctx->pb)) {
matroska->metadata_parsed = 1;
res = 0;
}
break;
}
finish:
while (matroska->num_levels) {
matroska->num_levels--;
length =
matroska->levels[matroska->num_levels].length;
if (length == (uint64_t)-1)
break;
}
if ((res = ebml_read_seek(matroska, before_pos)) < 0)
return res;
matroska->peek_id = peek_id_cache;
matroska->level_up = level_up;
break;
}
default:
av_log(matroska->ctx, AV_LOG_INFO,
"Ignoring seekhead entry for ID=0x%x\n",
seek_id);
break;
}
break;
}
default:
av_log(matroska->ctx, AV_LOG_INFO,
"Unknown seekhead ID 0x%x\n", id);
case EBML_ID_VOID:
res = ebml_read_skip(matroska);
break;
}
if (matroska->level_up) {
matroska->level_up--;
break;
}
}
return res;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavformat/matroskadec.c/#L1786 |
d2a_code_data_43060 | static int ctr_BCC_update(RAND_DRBG_CTR *ctr,
const unsigned char *in, size_t inlen)
{
if (in == NULL || inlen == 0)
return 1;
if (ctr->bltmp_pos) {
size_t left = 16 - ctr->bltmp_pos;
if (inlen >= left) {
memcpy(ctr->bltmp + ctr->bltmp_pos, in, left);
if (!ctr_BCC_blocks(ctr, ctr->bltmp))
return 0;
ctr->bltmp_pos = 0;
inlen -= left;
in += left;
}
}
for (; inlen >= 16; in += 16, inlen -= 16) {
if (!ctr_BCC_blocks(ctr, in))
return 0;
}
if (inlen > 0) {
memcpy(ctr->bltmp + ctr->bltmp_pos, in, inlen);
ctr->bltmp_pos += inlen;
}
return 1;
} | https://github.com/openssl/openssl/blob/e613b1eff40f21cd99240f9884cd3396b0ab50f1/crypto/rand/drbg_ctr.c/#L136 |
d2a_code_data_43061 | int av_samples_get_buffer_size(int *linesize, int nb_channels, int nb_samples,
enum AVSampleFormat sample_fmt, int align)
{
int line_size;
int sample_size = av_get_bytes_per_sample(sample_fmt);
int planar = av_sample_fmt_is_planar(sample_fmt);
if (!sample_size || nb_samples <= 0 || nb_channels <= 0)
return AVERROR(EINVAL);
if (!align) {
if (nb_samples > INT_MAX - 31)
return AVERROR(EINVAL);
align = 1;
nb_samples = FFALIGN(nb_samples, 32);
}
if (nb_channels > INT_MAX / align ||
(int64_t)nb_channels * nb_samples > (INT_MAX - (align * nb_channels)) / sample_size)
return AVERROR(EINVAL);
line_size = planar ? FFALIGN(nb_samples * sample_size, align) :
FFALIGN(nb_samples * sample_size * nb_channels, align);
if (linesize)
*linesize = line_size;
return planar ? line_size * nb_channels : line_size;
} | https://github.com/libav/libav/blob/0e830094ad0dc251613a0aa3234d9c5c397e02e6/libavutil/samplefmt.c/#L124 |
d2a_code_data_43062 | static void opt_vstats (void)
{
char filename[40];
time_t today2 = time(NULL);
struct tm *today = localtime(&today2);
snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
today->tm_sec);
opt_vstats_file(filename);
} | https://github.com/libav/libav/blob/eced8fa02ea237abd9c6a6e9287bb7524addb8f4/ffmpeg.c/#L3961 |
d2a_code_data_43063 | static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
{
BN_ULONG *A, *a = NULL;
const BN_ULONG *B;
int i;
bn_check_top(b);
if (words > (INT_MAX / (4 * BN_BITS2))) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);
return NULL;
}
if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);
return (NULL);
}
if (BN_get_flags(b,BN_FLG_SECURE))
a = A = OPENSSL_secure_zalloc(words * sizeof(*a));
else
a = A = OPENSSL_zalloc(words * sizeof(*a));
if (A == NULL) {
BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);
return (NULL);
}
#if 1
B = b->d;
if (B != NULL) {
for (i = b->top >> 2; i > 0; i--, A += 4, B += 4) {
BN_ULONG a0, a1, a2, a3;
a0 = B[0];
a1 = B[1];
a2 = B[2];
a3 = B[3];
A[0] = a0;
A[1] = a1;
A[2] = a2;
A[3] = a3;
}
switch (b->top & 3) {
case 3:
A[2] = B[2];
case 2:
A[1] = B[1];
case 1:
A[0] = B[0];
case 0:
;
}
}
#else
memset(A, 0, sizeof(*A) * words);
memcpy(A, b->d, sizeof(b->d[0]) * b->top);
#endif
return (a);
} | https://github.com/openssl/openssl/blob/ec772a817afc0f788c38006f623204a7d76221ec/crypto/bn/bn_lib.c/#L289 |
d2a_code_data_43064 | void ssl3_cbc_copy_mac(unsigned char *out,
const SSL3_RECORD *rec, size_t md_size)
{
#if defined(CBC_MAC_ROTATE_IN_PLACE)
unsigned char rotated_mac_buf[64 + EVP_MAX_MD_SIZE];
unsigned char *rotated_mac;
#else
unsigned char rotated_mac[EVP_MAX_MD_SIZE];
#endif
size_t mac_end = rec->length;
size_t mac_start = mac_end - md_size;
size_t scan_start = 0;
size_t i, j;
size_t div_spoiler;
size_t rotate_offset;
OPENSSL_assert(rec->orig_len >= md_size);
OPENSSL_assert(md_size <= EVP_MAX_MD_SIZE);
#if defined(CBC_MAC_ROTATE_IN_PLACE)
rotated_mac = rotated_mac_buf + ((0 - (size_t)rotated_mac_buf) & 63);
#endif
if (rec->orig_len > md_size + 255 + 1)
scan_start = rec->orig_len - (md_size + 255 + 1);
div_spoiler = md_size >> 1;
div_spoiler <<= (sizeof(div_spoiler) - 1) * 8;
rotate_offset = (div_spoiler + mac_start - scan_start) % md_size;
memset(rotated_mac, 0, md_size);
for (i = scan_start, j = 0; i < rec->orig_len; i++) {
unsigned char mac_started = constant_time_ge_8_s(i, mac_start);
unsigned char mac_ended = constant_time_ge_8_s(i, mac_end);
unsigned char b = rec->data[i];
rotated_mac[j++] |= b & mac_started & ~mac_ended;
j &= constant_time_lt_s(j, md_size);
}
#if defined(CBC_MAC_ROTATE_IN_PLACE)
j = 0;
for (i = 0; i < md_size; i++) {
((volatile unsigned char *)rotated_mac)[rotate_offset ^ 32];
out[j++] = rotated_mac[rotate_offset++];
rotate_offset &= constant_time_lt_s(rotate_offset, md_size);
}
#else
memset(out, 0, md_size);
rotate_offset = md_size - rotate_offset;
rotate_offset &= constant_time_lt_s(rotate_offset, md_size);
for (i = 0; i < md_size; i++) {
for (j = 0; j < md_size; j++)
out[j] |= rotated_mac[i] & constant_time_eq_8_s(j, rotate_offset);
rotate_offset++;
rotate_offset &= constant_time_lt_s(rotate_offset, md_size);
}
#endif
} | https://github.com/openssl/openssl/blob/829754a62245df76584078011f045185218c60c4/ssl/record/ssl3_record.c/#L1311 |
d2a_code_data_43065 | 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_43066 | int find_info_tag(char *arg, int arg_size, const char *tag1, const char *info)
{
const char *p;
char tag[128], *q;
p = info;
if (*p == '?')
p++;
for(;;) {
q = tag;
while (*p != '\0' && *p != '=' && *p != '&') {
if ((q - tag) < sizeof(tag) - 1)
*q++ = *p;
p++;
}
*q = '\0';
q = arg;
if (*p == '=') {
p++;
while (*p != '&' && *p != '\0') {
if ((q - arg) < arg_size - 1) {
if (*p == '+')
*q++ = ' ';
else
*q++ = *p;
}
p++;
}
*q = '\0';
}
if (!strcmp(tag, tag1))
return 1;
if (*p != '&')
break;
p++;
}
return 0;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavformat/utils.c/#L2829 |
d2a_code_data_43067 | static int cook_decode_init(AVCodecContext *avctx)
{
COOKContext *q = avctx->priv_data;
const uint8_t *edata_ptr = avctx->extradata;
if (avctx->extradata_size <= 0) {
av_log(avctx,AV_LOG_ERROR,"Necessary extradata missing!\n");
return -1;
} else {
av_log(avctx,AV_LOG_DEBUG,"codecdata_length=%d\n",avctx->extradata_size);
if (avctx->extradata_size >= 8){
q->cookversion = bytestream_get_be32(&edata_ptr);
q->samples_per_frame = bytestream_get_be16(&edata_ptr);
q->subbands = bytestream_get_be16(&edata_ptr);
}
if (avctx->extradata_size >= 16){
bytestream_get_be32(&edata_ptr);
q->js_subband_start = bytestream_get_be16(&edata_ptr);
q->js_vlc_bits = bytestream_get_be16(&edata_ptr);
}
}
q->sample_rate = avctx->sample_rate;
q->nb_channels = avctx->channels;
q->bit_rate = avctx->bit_rate;
av_init_random(1, &q->random_state);
q->samples_per_channel = q->samples_per_frame / q->nb_channels;
q->bits_per_subpacket = avctx->block_align * 8;
q->log2_numvector_size = 5;
q->total_subbands = q->subbands;
av_log(NULL,AV_LOG_DEBUG,"q->cookversion=%x\n",q->cookversion);
q->joint_stereo = 0;
switch (q->cookversion) {
case MONO:
if (q->nb_channels != 1) {
av_log(avctx,AV_LOG_ERROR,"Container channels != 1, report sample!\n");
return -1;
}
av_log(avctx,AV_LOG_DEBUG,"MONO\n");
break;
case STEREO:
if (q->nb_channels != 1) {
q->bits_per_subpacket = q->bits_per_subpacket/2;
}
av_log(avctx,AV_LOG_DEBUG,"STEREO\n");
break;
case JOINT_STEREO:
if (q->nb_channels != 2) {
av_log(avctx,AV_LOG_ERROR,"Container channels != 2, report sample!\n");
return -1;
}
av_log(avctx,AV_LOG_DEBUG,"JOINT_STEREO\n");
if (avctx->extradata_size >= 16){
q->total_subbands = q->subbands + q->js_subband_start;
q->joint_stereo = 1;
}
if (q->samples_per_channel > 256) {
q->log2_numvector_size = 6;
}
if (q->samples_per_channel > 512) {
q->log2_numvector_size = 7;
}
break;
case MC_COOK:
av_log(avctx,AV_LOG_ERROR,"MC_COOK not supported!\n");
return -1;
break;
default:
av_log(avctx,AV_LOG_ERROR,"Unknown Cook version, report sample!\n");
return -1;
break;
}
q->numvector_size = (1 << q->log2_numvector_size);
init_rootpow2table(q);
init_pow2table(q);
init_gain_table(q);
init_cplscales_table(q);
if (init_cook_vlc_tables(q) != 0)
return -1;
if(avctx->block_align >= UINT_MAX/2)
return -1;
if (q->nb_channels==2 && q->joint_stereo==0) {
q->decoded_bytes_buffer =
av_mallocz(avctx->block_align/2
+ DECODE_BYTES_PAD2(avctx->block_align/2)
+ FF_INPUT_BUFFER_PADDING_SIZE);
} else {
q->decoded_bytes_buffer =
av_mallocz(avctx->block_align
+ DECODE_BYTES_PAD1(avctx->block_align)
+ FF_INPUT_BUFFER_PADDING_SIZE);
}
if (q->decoded_bytes_buffer == NULL)
return -1;
q->gains1.now = q->gain_1;
q->gains1.previous = q->gain_2;
q->gains2.now = q->gain_3;
q->gains2.previous = q->gain_4;
if ( init_cook_mlt(q) != 0 )
return -1;
if (1) {
q->scalar_dequant = scalar_dequant_float;
q->decouple = decouple_float;
q->imlt_window = imlt_window_float;
q->interpolate = interpolate_float;
q->saturate_output = saturate_output_float;
}
if (q->total_subbands > 53) {
av_log(avctx,AV_LOG_ERROR,"total_subbands > 53, report sample!\n");
return -1;
}
if (q->subbands > 50) {
av_log(avctx,AV_LOG_ERROR,"subbands > 50, report sample!\n");
return -1;
}
if ((q->samples_per_channel == 256) || (q->samples_per_channel == 512) || (q->samples_per_channel == 1024)) {
} else {
av_log(avctx,AV_LOG_ERROR,"unknown amount of samples_per_channel = %d, report sample!\n",q->samples_per_channel);
return -1;
}
if ((q->js_vlc_bits > 6) || (q->js_vlc_bits < 0)) {
av_log(avctx,AV_LOG_ERROR,"q->js_vlc_bits = %d, only >= 0 and <= 6 allowed!\n",q->js_vlc_bits);
return -1;
}
#ifdef COOKDEBUG
dump_cook_context(q);
#endif
return 0;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/cook.c/#L1144 |
d2a_code_data_43068 | int MAIN(int argc, char **argv)
{
ENGINE *e = NULL;
int ret=1;
X509_REQ *req=NULL;
X509 *x=NULL,*xca=NULL;
ASN1_OBJECT *objtmp;
STACK_OF(OPENSSL_STRING) *sigopts = NULL;
EVP_PKEY *Upkey=NULL,*CApkey=NULL, *fkey = NULL;
ASN1_INTEGER *sno = NULL;
int i,num,badops=0;
BIO *out=NULL;
BIO *STDout=NULL;
STACK_OF(ASN1_OBJECT) *trust = NULL, *reject = NULL;
int informat,outformat,keyformat,CAformat,CAkeyformat;
char *infile=NULL,*outfile=NULL,*keyfile=NULL,*CAfile=NULL;
char *CAkeyfile=NULL,*CAserial=NULL;
char *fkeyfile=NULL;
char *alias=NULL;
int text=0,serial=0,subject=0,issuer=0,startdate=0,enddate=0;
int next_serial=0;
int subject_hash=0,issuer_hash=0,ocspid=0;
#ifndef OPENSSL_NO_MD5
int subject_hash_old=0,issuer_hash_old=0;
#endif
int noout=0,sign_flag=0,CA_flag=0,CA_createserial=0,email=0;
int ocsp_uri=0;
int trustout=0,clrtrust=0,clrreject=0,aliasout=0,clrext=0;
int C=0;
int x509req=0,days=DEF_DAYS,modulus=0,pubkey=0;
int pprint = 0;
const char **pp;
X509_STORE *ctx=NULL;
X509_REQ *rq=NULL;
int fingerprint=0;
char buf[256];
const EVP_MD *md_alg,*digest=NULL;
CONF *extconf = NULL;
char *extsect = NULL, *extfile = NULL, *passin = NULL, *passargin = NULL;
int need_rand = 0;
int checkend=0,checkoffset=0;
unsigned long nmflag = 0, certflag = 0;
unsigned char *checkhost = NULL, *checkemail = NULL;
char *checkip = NULL;
#ifndef OPENSSL_NO_ENGINE
char *engine=NULL;
#endif
reqfile=0;
apps_startup();
if (bio_err == NULL)
bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
if (!load_config(bio_err, NULL))
goto end;
STDout=BIO_new_fp(stdout,BIO_NOCLOSE);
#ifdef OPENSSL_SYS_VMS
{
BIO *tmpbio = BIO_new(BIO_f_linebuffer());
STDout = BIO_push(tmpbio, STDout);
}
#endif
informat=FORMAT_PEM;
outformat=FORMAT_PEM;
keyformat=FORMAT_PEM;
CAformat=FORMAT_PEM;
CAkeyformat=FORMAT_PEM;
ctx=X509_STORE_new();
if (ctx == NULL) goto end;
X509_STORE_set_verify_cb(ctx,callb);
argc--;
argv++;
num=0;
while (argc >= 1)
{
if (strcmp(*argv,"-inform") == 0)
{
if (--argc < 1) goto bad;
informat=str2fmt(*(++argv));
}
else if (strcmp(*argv,"-outform") == 0)
{
if (--argc < 1) goto bad;
outformat=str2fmt(*(++argv));
}
else if (strcmp(*argv,"-keyform") == 0)
{
if (--argc < 1) goto bad;
keyformat=str2fmt(*(++argv));
}
else if (strcmp(*argv,"-req") == 0)
{
reqfile=1;
need_rand = 1;
}
else if (strcmp(*argv,"-CAform") == 0)
{
if (--argc < 1) goto bad;
CAformat=str2fmt(*(++argv));
}
else if (strcmp(*argv,"-CAkeyform") == 0)
{
if (--argc < 1) goto bad;
CAkeyformat=str2fmt(*(++argv));
}
else if (strcmp(*argv,"-sigopt") == 0)
{
if (--argc < 1)
goto bad;
if (!sigopts)
sigopts = sk_OPENSSL_STRING_new_null();
if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, *(++argv)))
goto bad;
}
else if (strcmp(*argv,"-days") == 0)
{
if (--argc < 1) goto bad;
days=atoi(*(++argv));
if (days == 0)
{
BIO_printf(bio_err,"bad number of days\n");
goto bad;
}
}
else if (strcmp(*argv,"-passin") == 0)
{
if (--argc < 1) goto bad;
passargin= *(++argv);
}
else if (strcmp(*argv,"-extfile") == 0)
{
if (--argc < 1) goto bad;
extfile= *(++argv);
}
else if (strcmp(*argv,"-extensions") == 0)
{
if (--argc < 1) goto bad;
extsect= *(++argv);
}
else if (strcmp(*argv,"-in") == 0)
{
if (--argc < 1) goto bad;
infile= *(++argv);
}
else if (strcmp(*argv,"-out") == 0)
{
if (--argc < 1) goto bad;
outfile= *(++argv);
}
else if (strcmp(*argv,"-signkey") == 0)
{
if (--argc < 1) goto bad;
keyfile= *(++argv);
sign_flag= ++num;
need_rand = 1;
}
else if (strcmp(*argv,"-CA") == 0)
{
if (--argc < 1) goto bad;
CAfile= *(++argv);
CA_flag= ++num;
need_rand = 1;
}
else if (strcmp(*argv,"-CAkey") == 0)
{
if (--argc < 1) goto bad;
CAkeyfile= *(++argv);
}
else if (strcmp(*argv,"-CAserial") == 0)
{
if (--argc < 1) goto bad;
CAserial= *(++argv);
}
else if (strcmp(*argv,"-set_serial") == 0)
{
if (--argc < 1) goto bad;
if (!(sno = s2i_ASN1_INTEGER(NULL, *(++argv))))
goto bad;
}
else if (strcmp(*argv,"-force_pubkey") == 0)
{
if (--argc < 1) goto bad;
fkeyfile= *(++argv);
}
else if (strcmp(*argv,"-addtrust") == 0)
{
if (--argc < 1) goto bad;
if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
{
BIO_printf(bio_err,
"Invalid trust object value %s\n", *argv);
goto bad;
}
if (!trust) trust = sk_ASN1_OBJECT_new_null();
sk_ASN1_OBJECT_push(trust, objtmp);
trustout = 1;
}
else if (strcmp(*argv,"-addreject") == 0)
{
if (--argc < 1) goto bad;
if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
{
BIO_printf(bio_err,
"Invalid reject object value %s\n", *argv);
goto bad;
}
if (!reject) reject = sk_ASN1_OBJECT_new_null();
sk_ASN1_OBJECT_push(reject, objtmp);
trustout = 1;
}
else if (strcmp(*argv,"-setalias") == 0)
{
if (--argc < 1) goto bad;
alias= *(++argv);
trustout = 1;
}
else if (strcmp(*argv,"-certopt") == 0)
{
if (--argc < 1) goto bad;
if (!set_cert_ex(&certflag, *(++argv))) goto bad;
}
else if (strcmp(*argv,"-nameopt") == 0)
{
if (--argc < 1) goto bad;
if (!set_name_ex(&nmflag, *(++argv))) goto bad;
}
#ifndef OPENSSL_NO_ENGINE
else if (strcmp(*argv,"-engine") == 0)
{
if (--argc < 1) goto bad;
engine= *(++argv);
}
#endif
else if (strcmp(*argv,"-C") == 0)
C= ++num;
else if (strcmp(*argv,"-email") == 0)
email= ++num;
else if (strcmp(*argv,"-ocsp_uri") == 0)
ocsp_uri= ++num;
else if (strcmp(*argv,"-serial") == 0)
serial= ++num;
else if (strcmp(*argv,"-next_serial") == 0)
next_serial= ++num;
else if (strcmp(*argv,"-modulus") == 0)
modulus= ++num;
else if (strcmp(*argv,"-pubkey") == 0)
pubkey= ++num;
else if (strcmp(*argv,"-x509toreq") == 0)
x509req= ++num;
else if (strcmp(*argv,"-text") == 0)
text= ++num;
else if (strcmp(*argv,"-hash") == 0
|| strcmp(*argv,"-subject_hash") == 0)
subject_hash= ++num;
#ifndef OPENSSL_NO_MD5
else if (strcmp(*argv,"-subject_hash_old") == 0)
subject_hash_old= ++num;
#endif
else if (strcmp(*argv,"-issuer_hash") == 0)
issuer_hash= ++num;
#ifndef OPENSSL_NO_MD5
else if (strcmp(*argv,"-issuer_hash_old") == 0)
issuer_hash_old= ++num;
#endif
else if (strcmp(*argv,"-subject") == 0)
subject= ++num;
else if (strcmp(*argv,"-issuer") == 0)
issuer= ++num;
else if (strcmp(*argv,"-fingerprint") == 0)
fingerprint= ++num;
else if (strcmp(*argv,"-dates") == 0)
{
startdate= ++num;
enddate= ++num;
}
else if (strcmp(*argv,"-purpose") == 0)
pprint= ++num;
else if (strcmp(*argv,"-startdate") == 0)
startdate= ++num;
else if (strcmp(*argv,"-enddate") == 0)
enddate= ++num;
else if (strcmp(*argv,"-checkend") == 0)
{
if (--argc < 1) goto bad;
checkoffset=atoi(*(++argv));
checkend=1;
}
else if (strcmp(*argv,"-checkhost") == 0)
{
if (--argc < 1) goto bad;
checkhost=(unsigned char *)*(++argv);
}
else if (strcmp(*argv,"-checkemail") == 0)
{
if (--argc < 1) goto bad;
checkemail=(unsigned char *)*(++argv);
}
else if (strcmp(*argv,"-checkip") == 0)
{
if (--argc < 1) goto bad;
checkip=*(++argv);
}
else if (strcmp(*argv,"-noout") == 0)
noout= ++num;
else if (strcmp(*argv,"-trustout") == 0)
trustout= 1;
else if (strcmp(*argv,"-clrtrust") == 0)
clrtrust= ++num;
else if (strcmp(*argv,"-clrreject") == 0)
clrreject= ++num;
else if (strcmp(*argv,"-alias") == 0)
aliasout= ++num;
else if (strcmp(*argv,"-CAcreateserial") == 0)
CA_createserial= ++num;
else if (strcmp(*argv,"-clrext") == 0)
clrext = 1;
#if 1
else if (strcmp(*argv,"-crlext") == 0)
{
BIO_printf(bio_err,"use -clrext instead of -crlext\n");
clrext = 1;
}
#endif
else if (strcmp(*argv,"-ocspid") == 0)
ocspid= ++num;
else if ((md_alg=EVP_get_digestbyname(*argv + 1)))
{
digest=md_alg;
}
else
{
BIO_printf(bio_err,"unknown option %s\n",*argv);
badops=1;
break;
}
argc--;
argv++;
}
if (badops)
{
bad:
for (pp=x509_usage; (*pp != NULL); pp++)
BIO_printf(bio_err,"%s",*pp);
goto end;
}
#ifndef OPENSSL_NO_ENGINE
e = setup_engine(bio_err, engine, 0);
#endif
if (need_rand)
app_RAND_load_file(NULL, bio_err, 0);
ERR_load_crypto_strings();
if (!app_passwd(bio_err, passargin, NULL, &passin, NULL))
{
BIO_printf(bio_err, "Error getting password\n");
goto end;
}
if (!X509_STORE_set_default_paths(ctx))
{
ERR_print_errors(bio_err);
goto end;
}
if (fkeyfile)
{
fkey = load_pubkey(bio_err, fkeyfile, keyformat, 0,
NULL, e, "Forced key");
if (fkey == NULL) goto end;
}
if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM))
{ CAkeyfile=CAfile; }
else if ((CA_flag) && (CAkeyfile == NULL))
{
BIO_printf(bio_err,"need to specify a CAkey if using the CA command\n");
goto end;
}
if (extfile)
{
long errorline = -1;
X509V3_CTX ctx2;
extconf = NCONF_new(NULL);
if (!NCONF_load(extconf, extfile,&errorline))
{
if (errorline <= 0)
BIO_printf(bio_err,
"error loading the config file '%s'\n",
extfile);
else
BIO_printf(bio_err,
"error on line %ld of config file '%s'\n"
,errorline,extfile);
goto end;
}
if (!extsect)
{
extsect = NCONF_get_string(extconf, "default", "extensions");
if (!extsect)
{
ERR_clear_error();
extsect = "default";
}
}
X509V3_set_ctx_test(&ctx2);
X509V3_set_nconf(&ctx2, extconf);
if (!X509V3_EXT_add_nconf(extconf, &ctx2, extsect, NULL))
{
BIO_printf(bio_err,
"Error Loading extension section %s\n",
extsect);
ERR_print_errors(bio_err);
goto end;
}
}
if (reqfile)
{
EVP_PKEY *pkey;
BIO *in;
if (!sign_flag && !CA_flag)
{
BIO_printf(bio_err,"We need a private key to sign with\n");
goto end;
}
in=BIO_new(BIO_s_file());
if (in == NULL)
{
ERR_print_errors(bio_err);
goto end;
}
if (infile == NULL)
BIO_set_fp(in,stdin,BIO_NOCLOSE|BIO_FP_TEXT);
else
{
if (BIO_read_filename(in,infile) <= 0)
{
perror(infile);
BIO_free(in);
goto end;
}
}
req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
BIO_free(in);
if (req == NULL)
{
ERR_print_errors(bio_err);
goto end;
}
if ( (req->req_info == NULL) ||
(req->req_info->pubkey == NULL) ||
(req->req_info->pubkey->public_key == NULL) ||
(req->req_info->pubkey->public_key->data == NULL))
{
BIO_printf(bio_err,"The certificate request appears to corrupted\n");
BIO_printf(bio_err,"It does not contain a public key\n");
goto end;
}
if ((pkey=X509_REQ_get_pubkey(req)) == NULL)
{
BIO_printf(bio_err,"error unpacking public key\n");
goto end;
}
i=X509_REQ_verify(req,pkey);
EVP_PKEY_free(pkey);
if (i < 0)
{
BIO_printf(bio_err,"Signature verification error\n");
ERR_print_errors(bio_err);
goto end;
}
if (i == 0)
{
BIO_printf(bio_err,"Signature did not match the certificate request\n");
goto end;
}
else
BIO_printf(bio_err,"Signature ok\n");
print_name(bio_err, "subject=", X509_REQ_get_subject_name(req), nmflag);
if ((x=X509_new()) == NULL) goto end;
if (sno == NULL)
{
sno = ASN1_INTEGER_new();
if (!sno || !rand_serial(NULL, sno))
goto end;
if (!X509_set_serialNumber(x, sno))
goto end;
ASN1_INTEGER_free(sno);
sno = NULL;
}
else if (!X509_set_serialNumber(x, sno))
goto end;
if (!X509_set_issuer_name(x,req->req_info->subject)) goto end;
if (!X509_set_subject_name(x,req->req_info->subject)) goto end;
X509_gmtime_adj(X509_get_notBefore(x),0);
X509_time_adj_ex(X509_get_notAfter(x),days, 0, NULL);
if (fkey)
X509_set_pubkey(x, fkey);
else
{
pkey = X509_REQ_get_pubkey(req);
X509_set_pubkey(x,pkey);
EVP_PKEY_free(pkey);
}
}
else
x=load_cert(bio_err,infile,informat,NULL,e,"Certificate");
if (x == NULL) goto end;
if (CA_flag)
{
xca=load_cert(bio_err,CAfile,CAformat,NULL,e,"CA Certificate");
if (xca == NULL) goto end;
}
if (!noout || text || next_serial)
{
OBJ_create("2.99999.3",
"SET.ex3","SET x509v3 extension 3");
out=BIO_new(BIO_s_file());
if (out == NULL)
{
ERR_print_errors(bio_err);
goto end;
}
if (outfile == NULL)
{
BIO_set_fp(out,stdout,BIO_NOCLOSE);
#ifdef OPENSSL_SYS_VMS
{
BIO *tmpbio = BIO_new(BIO_f_linebuffer());
out = BIO_push(tmpbio, out);
}
#endif
}
else
{
if (BIO_write_filename(out,outfile) <= 0)
{
perror(outfile);
goto end;
}
}
}
if (alias) X509_alias_set1(x, (unsigned char *)alias, -1);
if (clrtrust) X509_trust_clear(x);
if (clrreject) X509_reject_clear(x);
if (trust)
{
for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++)
{
objtmp = sk_ASN1_OBJECT_value(trust, i);
X509_add1_trust_object(x, objtmp);
}
}
if (reject)
{
for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++)
{
objtmp = sk_ASN1_OBJECT_value(reject, i);
X509_add1_reject_object(x, objtmp);
}
}
if (num)
{
for (i=1; i<=num; i++)
{
if (issuer == i)
{
print_name(STDout, "issuer= ",
X509_get_issuer_name(x), nmflag);
}
else if (subject == i)
{
print_name(STDout, "subject= ",
X509_get_subject_name(x), nmflag);
}
else if (serial == i)
{
BIO_printf(STDout,"serial=");
i2a_ASN1_INTEGER(STDout,
X509_get_serialNumber(x));
BIO_printf(STDout,"\n");
}
else if (next_serial == i)
{
BIGNUM *bnser;
ASN1_INTEGER *ser;
ser = X509_get_serialNumber(x);
bnser = ASN1_INTEGER_to_BN(ser, NULL);
if (!bnser)
goto end;
if (!BN_add_word(bnser, 1))
goto end;
ser = BN_to_ASN1_INTEGER(bnser, NULL);
if (!ser)
goto end;
BN_free(bnser);
i2a_ASN1_INTEGER(out, ser);
ASN1_INTEGER_free(ser);
BIO_puts(out, "\n");
}
else if ((email == i) || (ocsp_uri == i))
{
int j;
STACK_OF(OPENSSL_STRING) *emlst;
if (email == i)
emlst = X509_get1_email(x);
else
emlst = X509_get1_ocsp(x);
for (j = 0; j < sk_OPENSSL_STRING_num(emlst); j++)
BIO_printf(STDout, "%s\n",
sk_OPENSSL_STRING_value(emlst, j));
X509_email_free(emlst);
}
else if (aliasout == i)
{
unsigned char *alstr;
alstr = X509_alias_get0(x, NULL);
if (alstr) BIO_printf(STDout,"%s\n", alstr);
else BIO_puts(STDout,"<No Alias>\n");
}
else if (subject_hash == i)
{
BIO_printf(STDout,"%08lx\n",X509_subject_name_hash(x));
}
#ifndef OPENSSL_NO_MD5
else if (subject_hash_old == i)
{
BIO_printf(STDout,"%08lx\n",X509_subject_name_hash_old(x));
}
#endif
else if (issuer_hash == i)
{
BIO_printf(STDout,"%08lx\n",X509_issuer_name_hash(x));
}
#ifndef OPENSSL_NO_MD5
else if (issuer_hash_old == i)
{
BIO_printf(STDout,"%08lx\n",X509_issuer_name_hash_old(x));
}
#endif
else if (pprint == i)
{
X509_PURPOSE *ptmp;
int j;
BIO_printf(STDout, "Certificate purposes:\n");
for (j = 0; j < X509_PURPOSE_get_count(); j++)
{
ptmp = X509_PURPOSE_get0(j);
purpose_print(STDout, x, ptmp);
}
}
else
if (modulus == i)
{
EVP_PKEY *pkey;
pkey=X509_get_pubkey(x);
if (pkey == NULL)
{
BIO_printf(bio_err,"Modulus=unavailable\n");
ERR_print_errors(bio_err);
goto end;
}
BIO_printf(STDout,"Modulus=");
#ifndef OPENSSL_NO_RSA
if (pkey->type == EVP_PKEY_RSA)
BN_print(STDout,pkey->pkey.rsa->n);
else
#endif
#ifndef OPENSSL_NO_DSA
if (pkey->type == EVP_PKEY_DSA)
BN_print(STDout,pkey->pkey.dsa->pub_key);
else
#endif
BIO_printf(STDout,"Wrong Algorithm type");
BIO_printf(STDout,"\n");
EVP_PKEY_free(pkey);
}
else
if (pubkey == i)
{
EVP_PKEY *pkey;
pkey=X509_get_pubkey(x);
if (pkey == NULL)
{
BIO_printf(bio_err,"Error getting public key\n");
ERR_print_errors(bio_err);
goto end;
}
PEM_write_bio_PUBKEY(STDout, pkey);
EVP_PKEY_free(pkey);
}
else
if (C == i)
{
unsigned char *d;
char *m;
int y,z;
X509_NAME_oneline(X509_get_subject_name(x),
buf,sizeof buf);
BIO_printf(STDout,"/* subject:%s */\n",buf);
m=X509_NAME_oneline(
X509_get_issuer_name(x),buf,
sizeof buf);
BIO_printf(STDout,"/* issuer :%s */\n",buf);
z=i2d_X509(x,NULL);
m=OPENSSL_malloc(z);
d=(unsigned char *)m;
z=i2d_X509_NAME(X509_get_subject_name(x),&d);
BIO_printf(STDout,"unsigned char XXX_subject_name[%d]={\n",z);
d=(unsigned char *)m;
for (y=0; y<z; y++)
{
BIO_printf(STDout,"0x%02X,",d[y]);
if ((y & 0x0f) == 0x0f) BIO_printf(STDout,"\n");
}
if (y%16 != 0) BIO_printf(STDout,"\n");
BIO_printf(STDout,"};\n");
z=i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x),&d);
BIO_printf(STDout,"unsigned char XXX_public_key[%d]={\n",z);
d=(unsigned char *)m;
for (y=0; y<z; y++)
{
BIO_printf(STDout,"0x%02X,",d[y]);
if ((y & 0x0f) == 0x0f)
BIO_printf(STDout,"\n");
}
if (y%16 != 0) BIO_printf(STDout,"\n");
BIO_printf(STDout,"};\n");
z=i2d_X509(x,&d);
BIO_printf(STDout,"unsigned char XXX_certificate[%d]={\n",z);
d=(unsigned char *)m;
for (y=0; y<z; y++)
{
BIO_printf(STDout,"0x%02X,",d[y]);
if ((y & 0x0f) == 0x0f)
BIO_printf(STDout,"\n");
}
if (y%16 != 0) BIO_printf(STDout,"\n");
BIO_printf(STDout,"};\n");
OPENSSL_free(m);
}
else if (text == i)
{
X509_print_ex(STDout,x,nmflag, certflag);
}
else if (startdate == i)
{
BIO_puts(STDout,"notBefore=");
ASN1_TIME_print(STDout,X509_get_notBefore(x));
BIO_puts(STDout,"\n");
}
else if (enddate == i)
{
BIO_puts(STDout,"notAfter=");
ASN1_TIME_print(STDout,X509_get_notAfter(x));
BIO_puts(STDout,"\n");
}
else if (fingerprint == i)
{
int j;
unsigned int n;
unsigned char md[EVP_MAX_MD_SIZE];
const EVP_MD *fdig = digest;
if (!fdig)
fdig = EVP_sha1();
if (!X509_digest(x,fdig,md,&n))
{
BIO_printf(bio_err,"out of memory\n");
goto end;
}
BIO_printf(STDout,"%s Fingerprint=",
OBJ_nid2sn(EVP_MD_type(fdig)));
for (j=0; j<(int)n; j++)
{
BIO_printf(STDout,"%02X%c",md[j],
(j+1 == (int)n)
?'\n':':');
}
}
else if ((sign_flag == i) && (x509req == 0))
{
BIO_printf(bio_err,"Getting Private key\n");
if (Upkey == NULL)
{
Upkey=load_key(bio_err,
keyfile, keyformat, 0,
passin, e, "Private key");
if (Upkey == NULL) goto end;
}
assert(need_rand);
if (!sign(x,Upkey,days,clrext,digest,
extconf, extsect)) goto end;
}
else if (CA_flag == i)
{
BIO_printf(bio_err,"Getting CA Private Key\n");
if (CAkeyfile != NULL)
{
CApkey=load_key(bio_err,
CAkeyfile, CAkeyformat,
0, passin, e,
"CA Private Key");
if (CApkey == NULL) goto end;
}
assert(need_rand);
if (!x509_certify(ctx,CAfile,digest,x,xca,
CApkey, sigopts,
CAserial,CA_createserial,days, clrext,
extconf, extsect, sno))
goto end;
}
else if (x509req == i)
{
EVP_PKEY *pk;
BIO_printf(bio_err,"Getting request Private Key\n");
if (keyfile == NULL)
{
BIO_printf(bio_err,"no request key file specified\n");
goto end;
}
else
{
pk=load_key(bio_err,
keyfile, keyformat, 0,
passin, e, "request key");
if (pk == NULL) goto end;
}
BIO_printf(bio_err,"Generating certificate request\n");
rq=X509_to_X509_REQ(x,pk,digest);
EVP_PKEY_free(pk);
if (rq == NULL)
{
ERR_print_errors(bio_err);
goto end;
}
if (!noout)
{
X509_REQ_print(out,rq);
PEM_write_bio_X509_REQ(out,rq);
}
noout=1;
}
else if (ocspid == i)
{
X509_ocspid_print(out, x);
}
}
}
if (checkend)
{
time_t tcheck=time(NULL) + checkoffset;
if (X509_cmp_time(X509_get_notAfter(x), &tcheck) < 0)
{
BIO_printf(out,"Certificate will expire\n");
ret=1;
}
else
{
BIO_printf(out,"Certificate will not expire\n");
ret=0;
}
goto end;
}
print_cert_checks(STDout, x, checkhost, checkemail, checkip);
if (noout)
{
ret=0;
goto end;
}
if (outformat == FORMAT_ASN1)
i=i2d_X509_bio(out,x);
else if (outformat == FORMAT_PEM)
{
if (trustout) i=PEM_write_bio_X509_AUX(out,x);
else i=PEM_write_bio_X509(out,x);
}
else if (outformat == FORMAT_NETSCAPE)
{
NETSCAPE_X509 nx;
ASN1_OCTET_STRING hdr;
hdr.data=(unsigned char *)NETSCAPE_CERT_HDR;
hdr.length=strlen(NETSCAPE_CERT_HDR);
nx.header= &hdr;
nx.cert=x;
i=ASN1_item_i2d_bio(ASN1_ITEM_rptr(NETSCAPE_X509),out,&nx);
}
else {
BIO_printf(bio_err,"bad output format specified for outfile\n");
goto end;
}
if (!i)
{
BIO_printf(bio_err,"unable to write certificate\n");
ERR_print_errors(bio_err);
goto end;
}
ret=0;
end:
if (need_rand)
app_RAND_write_file(NULL, bio_err);
OBJ_cleanup();
NCONF_free(extconf);
BIO_free_all(out);
BIO_free_all(STDout);
X509_STORE_free(ctx);
X509_REQ_free(req);
X509_free(x);
X509_free(xca);
EVP_PKEY_free(Upkey);
EVP_PKEY_free(CApkey);
EVP_PKEY_free(fkey);
if (sigopts)
sk_OPENSSL_STRING_free(sigopts);
X509_REQ_free(rq);
ASN1_INTEGER_free(sno);
sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
if (passin) OPENSSL_free(passin);
apps_shutdown();
OPENSSL_EXIT(ret);
} | https://github.com/openssl/openssl/blob/360ef6769e97f2918ae67a2909951eb8612043ee/apps/x509.c/#L1129 |
d2a_code_data_43069 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | https://github.com/openssl/openssl/blob/27dfffd5b75ee1db114e32f6dc73e266513889c5/crypto/bn/bn_ctx.c/#L355 |
d2a_code_data_43070 | static void unpack_input(const unsigned char *input, unsigned int *output)
{
unsigned int outbuffer[28];
unsigned short inbuffer[10];
unsigned int x;
unsigned int *ptr;
for (x=0;x<20;x+=2)
inbuffer[x/2]=(input[x]<<8)+input[x+1];
ptr=outbuffer;
*(ptr++)=27;
*(ptr++)=(inbuffer[0]>>10)&0x3f;
*(ptr++)=(inbuffer[0]>>5)&0x1f;
*(ptr++)=inbuffer[0]&0x1f;
*(ptr++)=(inbuffer[1]>>12)&0xf;
*(ptr++)=(inbuffer[1]>>8)&0xf;
*(ptr++)=(inbuffer[1]>>5)&7;
*(ptr++)=(inbuffer[1]>>2)&7;
*(ptr++)=((inbuffer[1]<<1)&6)|((inbuffer[2]>>15)&1);
*(ptr++)=(inbuffer[2]>>12)&7;
*(ptr++)=(inbuffer[2]>>10)&3;
*(ptr++)=(inbuffer[2]>>5)&0x1f;
*(ptr++)=((inbuffer[2]<<2)&0x7c)|((inbuffer[3]>>14)&3);
*(ptr++)=(inbuffer[3]>>6)&0xff;
*(ptr++)=((inbuffer[3]<<1)&0x7e)|((inbuffer[4]>>15)&1);
*(ptr++)=(inbuffer[4]>>8)&0x7f;
*(ptr++)=(inbuffer[4]>>1)&0x7f;
*(ptr++)=((inbuffer[4]<<7)&0x80)|((inbuffer[5]>>9)&0x7f);
*(ptr++)=(inbuffer[5]>>2)&0x7f;
*(ptr++)=((inbuffer[5]<<5)&0x60)|((inbuffer[6]>>11)&0x1f);
*(ptr++)=(inbuffer[6]>>4)&0x7f;
*(ptr++)=((inbuffer[6]<<4)&0xf0)|((inbuffer[7]>>12)&0xf);
*(ptr++)=(inbuffer[7]>>5)&0x7f;
*(ptr++)=((inbuffer[7]<<2)&0x7c)|((inbuffer[8]>>14)&3);
*(ptr++)=(inbuffer[8]>>7)&0x7f;
*(ptr++)=((inbuffer[8]<<1)&0xfe)|((inbuffer[9]>>15)&1);
*(ptr++)=(inbuffer[9]>>8)&0x7f;
*(ptr++)=(inbuffer[9]>>1)&0x7f;
*(output++)=outbuffer[11];
for (x=1;x<11;*(output++)=outbuffer[x++]);
ptr=outbuffer+12;
for (x=0;x<16;x+=4)
{
*(output++)=ptr[x];
*(output++)=ptr[x+2];
*(output++)=ptr[x+3];
*(output++)=ptr[x+1];
}
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/ra144.c/#L282 |
d2a_code_data_43071 | 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_43072 | 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_43073 | static int mpeg4video_probe(AVProbeData *probe_packet)
{
uint32_t temp_buffer= -1;
int VO=0, VOL=0, VOP = 0, VISO = 0, res=0;
int i;
for(i=0; i<probe_packet->buf_size; i++){
temp_buffer = (temp_buffer<<8) + probe_packet->buf[i];
if ((temp_buffer & 0xffffff00) != 0x100)
continue;
if (temp_buffer == VOP_START_CODE) VOP++;
else if (temp_buffer == VISUAL_OBJECT_START_CODE) VISO++;
else if (temp_buffer < 0x120) VO++;
else if (temp_buffer < 0x130) VOL++;
else if ( !(0x1AF < temp_buffer && temp_buffer < 0x1B7)
&& !(0x1B9 < temp_buffer && temp_buffer < 0x1C4)) res++;
}
if ( VOP >= VISO && VOP >= VOL && VO >= VOL && VOL > 0 && res==0)
return AVPROBE_SCORE_MAX/2;
return 0;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavformat/raw.c/#L373 |
d2a_code_data_43074 | static void
ngx_http_upstream_process_upgraded(ngx_http_request_t *r,
ngx_uint_t from_upstream)
{
size_t size;
ssize_t n;
ngx_buf_t *b;
ngx_uint_t do_write;
ngx_connection_t *c, *downstream, *upstream, *dst, *src;
ngx_http_upstream_t *u;
ngx_http_core_loc_conf_t *clcf;
c = r->connection;
u = r->upstream;
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
"http upstream process upgraded, fu:%ui", from_upstream);
downstream = c;
upstream = u->peer.connection;
if (downstream->write->timedout) {
c->timedout = 1;
ngx_connection_error(c, NGX_ETIMEDOUT, "client timed out");
ngx_http_upstream_finalize_request(r, u, NGX_HTTP_REQUEST_TIME_OUT);
return;
}
if (upstream->read->timedout || upstream->write->timedout) {
ngx_connection_error(c, NGX_ETIMEDOUT, "upstream timed out");
ngx_http_upstream_finalize_request(r, u, 0);
return;
}
if (from_upstream) {
src = upstream;
dst = downstream;
b = &u->buffer;
} else {
src = downstream;
dst = upstream;
b = &u->from_client;
if (r->header_in->last > r->header_in->pos) {
b = r->header_in;
b->end = b->last;
do_write = 1;
}
if (b->start == NULL) {
b->start = ngx_palloc(r->pool, u->conf->buffer_size);
if (b->start == NULL) {
ngx_http_upstream_finalize_request(r, u, 0);
return;
}
b->pos = b->start;
b->last = b->start;
b->end = b->start + u->conf->buffer_size;
b->temporary = 1;
b->tag = u->output.tag;
}
}
for ( ;; ) {
if (do_write) {
size = b->last - b->pos;
if (size && dst->write->ready) {
n = dst->send(dst, b->pos, size);
if (n == NGX_ERROR) {
ngx_http_upstream_finalize_request(r, u, 0);
return;
}
if (n > 0) {
b->pos += n;
if (b->pos == b->last) {
b->pos = b->start;
b->last = b->start;
}
}
}
}
size = b->end - b->last;
if (size && src->read->ready) {
n = src->recv(src, b->last, size);
if (n == NGX_AGAIN || n == 0) {
break;
}
if (n > 0) {
do_write = 1;
b->last += n;
continue;
}
if (n == NGX_ERROR) {
src->read->eof = 1;
}
}
break;
}
if ((upstream->read->eof && u->buffer.pos == u->buffer.last)
|| (downstream->read->eof && u->from_client.pos == u->from_client.last)
|| (downstream->read->eof && upstream->read->eof))
{
ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0,
"http upstream upgraded done");
ngx_http_upstream_finalize_request(r, u, 0);
return;
}
clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
if (ngx_handle_write_event(upstream->write, u->conf->send_lowat)
!= NGX_OK)
{
ngx_http_upstream_finalize_request(r, u, 0);
return;
}
if (upstream->write->active && !upstream->write->ready) {
ngx_add_timer(upstream->write, u->conf->send_timeout);
} else if (upstream->write->timer_set) {
ngx_del_timer(upstream->write);
}
if (ngx_handle_read_event(upstream->read, 0) != NGX_OK) {
ngx_http_upstream_finalize_request(r, u, 0);
return;
}
if (upstream->read->active && !upstream->read->ready) {
ngx_add_timer(upstream->read, u->conf->read_timeout);
} else if (upstream->read->timer_set) {
ngx_del_timer(upstream->read);
}
if (ngx_handle_write_event(downstream->write, clcf->send_lowat)
!= NGX_OK)
{
ngx_http_upstream_finalize_request(r, u, 0);
return;
}
if (ngx_handle_read_event(downstream->read, 0) != NGX_OK) {
ngx_http_upstream_finalize_request(r, u, 0);
return;
}
if (downstream->write->active && !downstream->write->ready) {
ngx_add_timer(downstream->write, clcf->send_timeout);
} else if (downstream->write->timer_set) {
ngx_del_timer(downstream->write);
}
} | https://github.com/nginx/nginx/blob/08a73b4aadebd9405ac52ec1f6eef5ca1fe8c11a/src/http/ngx_http_upstream.c/#L2543 |
d2a_code_data_43075 | 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/a8ea8018fa187e22fb4989450b550589e20f62c2/include/internal/constant_time_locl.h/#L121 |
d2a_code_data_43076 | static inline void skip_remaining(BitstreamContext *bc, unsigned n)
{
#ifdef BITSTREAM_READER_LE
bc->bits >>= n;
#else
bc->bits <<= n;
#endif
bc->bits_left -= n;
} | https://github.com/libav/libav/blob/562ef82d6a7f96f6b9da1219a5aaf7d9d7056f1b/libavcodec/bitstream.h/#L237 |
d2a_code_data_43077 | int av_samples_get_buffer_size(int *linesize, int nb_channels, int nb_samples,
enum AVSampleFormat sample_fmt, int align)
{
int line_size;
int sample_size = av_get_bytes_per_sample(sample_fmt);
int planar = av_sample_fmt_is_planar(sample_fmt);
if (!sample_size || nb_samples <= 0 || nb_channels <= 0)
return AVERROR(EINVAL);
if (!align) {
if (nb_samples > INT_MAX - 31)
return AVERROR(EINVAL);
align = 1;
nb_samples = FFALIGN(nb_samples, 32);
}
if (nb_channels > INT_MAX / align ||
(int64_t)nb_channels * nb_samples > (INT_MAX - (align * nb_channels)) / sample_size)
return AVERROR(EINVAL);
line_size = planar ? FFALIGN(nb_samples * sample_size, align) :
FFALIGN(nb_samples * sample_size * nb_channels, align);
if (linesize)
*linesize = line_size;
return planar ? line_size * nb_channels : line_size;
} | https://github.com/libav/libav/blob/0e830094ad0dc251613a0aa3234d9c5c397e02e6/libavutil/samplefmt.c/#L124 |
d2a_code_data_43078 | static av_always_inline int cmp(MpegEncContext *s, const int x, const int y, const int subx, const int suby,
const int size, const int h, int ref_index, int src_index,
me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){
MotionEstContext * const c= &s->me;
const int stride= c->stride;
const int uvstride= c->uvstride;
const int qpel= flags&FLAG_QPEL;
const int chroma= flags&FLAG_CHROMA;
const int dxy= subx + (suby<<(1+qpel));
const int hx= subx + (x<<(1+qpel));
const int hy= suby + (y<<(1+qpel));
uint8_t * const * const ref= c->ref[ref_index];
uint8_t * const * const src= c->src[src_index];
int d;
if(flags&FLAG_DIRECT){
assert(x >= c->xmin && hx <= c->xmax<<(qpel+1) && y >= c->ymin && hy <= c->ymax<<(qpel+1));
if(x >= c->xmin && hx <= c->xmax<<(qpel+1) && y >= c->ymin && hy <= c->ymax<<(qpel+1)){
const int time_pp= s->pp_time;
const int time_pb= s->pb_time;
const int mask= 2*qpel+1;
if(s->mv_type==MV_TYPE_8X8){
int i;
for(i=0; i<4; i++){
int fx = c->direct_basis_mv[i][0] + hx;
int fy = c->direct_basis_mv[i][1] + hy;
int bx = hx ? fx - c->co_located_mv[i][0] : c->co_located_mv[i][0]*(time_pb - time_pp)/time_pp + ((i &1)<<(qpel+4));
int by = hy ? fy - c->co_located_mv[i][1] : c->co_located_mv[i][1]*(time_pb - time_pp)/time_pp + ((i>>1)<<(qpel+4));
int fxy= (fx&mask) + ((fy&mask)<<(qpel+1));
int bxy= (bx&mask) + ((by&mask)<<(qpel+1));
uint8_t *dst= c->temp + 8*(i&1) + 8*stride*(i>>1);
if(qpel){
c->qpel_put[1][fxy](dst, ref[0] + (fx>>2) + (fy>>2)*stride, stride);
c->qpel_avg[1][bxy](dst, ref[8] + (bx>>2) + (by>>2)*stride, stride);
}else{
c->hpel_put[1][fxy](dst, ref[0] + (fx>>1) + (fy>>1)*stride, stride, 8);
c->hpel_avg[1][bxy](dst, ref[8] + (bx>>1) + (by>>1)*stride, stride, 8);
}
}
}else{
int fx = c->direct_basis_mv[0][0] + hx;
int fy = c->direct_basis_mv[0][1] + hy;
int bx = hx ? fx - c->co_located_mv[0][0] : (c->co_located_mv[0][0]*(time_pb - time_pp)/time_pp);
int by = hy ? fy - c->co_located_mv[0][1] : (c->co_located_mv[0][1]*(time_pb - time_pp)/time_pp);
int fxy= (fx&mask) + ((fy&mask)<<(qpel+1));
int bxy= (bx&mask) + ((by&mask)<<(qpel+1));
if(qpel){
c->qpel_put[1][fxy](c->temp , ref[0] + (fx>>2) + (fy>>2)*stride , stride);
c->qpel_put[1][fxy](c->temp + 8 , ref[0] + (fx>>2) + (fy>>2)*stride + 8 , stride);
c->qpel_put[1][fxy](c->temp + 8*stride, ref[0] + (fx>>2) + (fy>>2)*stride + 8*stride, stride);
c->qpel_put[1][fxy](c->temp + 8 + 8*stride, ref[0] + (fx>>2) + (fy>>2)*stride + 8 + 8*stride, stride);
c->qpel_avg[1][bxy](c->temp , ref[8] + (bx>>2) + (by>>2)*stride , stride);
c->qpel_avg[1][bxy](c->temp + 8 , ref[8] + (bx>>2) + (by>>2)*stride + 8 , stride);
c->qpel_avg[1][bxy](c->temp + 8*stride, ref[8] + (bx>>2) + (by>>2)*stride + 8*stride, stride);
c->qpel_avg[1][bxy](c->temp + 8 + 8*stride, ref[8] + (bx>>2) + (by>>2)*stride + 8 + 8*stride, stride);
}else{
assert((fx>>1) + 16*s->mb_x >= -16);
assert((fy>>1) + 16*s->mb_y >= -16);
assert((fx>>1) + 16*s->mb_x <= s->width);
assert((fy>>1) + 16*s->mb_y <= s->height);
assert((bx>>1) + 16*s->mb_x >= -16);
assert((by>>1) + 16*s->mb_y >= -16);
assert((bx>>1) + 16*s->mb_x <= s->width);
assert((by>>1) + 16*s->mb_y <= s->height);
c->hpel_put[0][fxy](c->temp, ref[0] + (fx>>1) + (fy>>1)*stride, stride, 16);
c->hpel_avg[0][bxy](c->temp, ref[8] + (bx>>1) + (by>>1)*stride, stride, 16);
}
}
d = cmp_func(s, c->temp, src[0], stride, 16);
}else
d= 256*256*256*32;
}else{
int uvdxy;
if(dxy){
if(qpel){
c->qpel_put[size][dxy](c->temp, ref[0] + x + y*stride, stride);
if(chroma){
int cx= hx/2;
int cy= hy/2;
cx= (cx>>1)|(cx&1);
cy= (cy>>1)|(cy&1);
uvdxy= (cx&1) + 2*(cy&1);
}
}else{
c->hpel_put[size][dxy](c->temp, ref[0] + x + y*stride, stride, h);
if(chroma)
uvdxy= dxy | (x&1) | (2*(y&1));
}
d = cmp_func(s, c->temp, src[0], stride, h);
}else{
d = cmp_func(s, src[0], ref[0] + x + y*stride, stride, h);
if(chroma)
uvdxy= (x&1) + 2*(y&1);
}
if(chroma){
uint8_t * const uvtemp= c->temp + 16*stride;
c->hpel_put[size+1][uvdxy](uvtemp , ref[1] + (x>>1) + (y>>1)*uvstride, uvstride, h>>1);
c->hpel_put[size+1][uvdxy](uvtemp+8, ref[2] + (x>>1) + (y>>1)*uvstride, uvstride, h>>1);
d += chroma_cmp_func(s, uvtemp , src[1], uvstride, h>>1);
d += chroma_cmp_func(s, uvtemp+8, src[2], uvstride, h>>1);
}
}
#if 0
if(full_pel){
const int index= (((y)<<ME_MAP_SHIFT) + (x))&(ME_MAP_SIZE-1);
score_map[index]= d;
}
d += (c->mv_penalty[hx - c->pred_x] + c->mv_penalty[hy - c->pred_y])*c->penalty_factor;
#endif
return d;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/motion_est.c/#L176 |
d2a_code_data_43079 | 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/#L1168 |
d2a_code_data_43080 | static void
cpContigBufToSeparateBuf(uint8* out, uint8* in,
uint32 rows, uint32 cols, int outskew, int inskew, tsample_t spp,
int bytes_per_sample )
{
while (rows-- > 0) {
uint32 j = cols;
while (j-- > 0)
{
int n = bytes_per_sample;
while( n-- ) {
*out++ = *in++;
}
in += (spp-1) * bytes_per_sample;
}
out += outskew;
in += inskew;
}
} | https://gitlab.com/libtiff/libtiff/blob/771a4ea0a98c7a218c9f3add9a05e08d29625758/tools/tiffcp.c/#L1085 |
d2a_code_data_43081 | int X509_cmp_time(const ASN1_TIME *ctm, time_t *cmp_time)
{
char *str;
ASN1_TIME atm;
long offset;
char buff1[24], buff2[24], *p;
int i, j, remaining;
p = buff1;
remaining = ctm->length;
str = (char *)ctm->data;
if (ctm->type == V_ASN1_UTCTIME) {
int min_length = sizeof("YYMMDDHHMMZ") - 1;
int max_length = sizeof("YYMMDDHHMMSS+hhmm") - 1;
if (remaining < min_length || remaining > max_length)
return 0;
memcpy(p, str, 10);
p += 10;
str += 10;
remaining -= 10;
} else {
int min_length = sizeof("YYYYMMDDHHMMZ") - 1;
int max_length = sizeof("YYYYMMDDHHMMSS.fff+hhmm") - 1;
if (remaining < min_length || remaining > max_length)
return 0;
memcpy(p, str, 12);
p += 12;
str += 12;
remaining -= 12;
}
if ((*str == 'Z') || (*str == '-') || (*str == '+')) {
*(p++) = '0';
*(p++) = '0';
} else {
if (remaining < 2)
return 0;
*(p++) = *(str++);
*(p++) = *(str++);
remaining -= 2;
if (remaining && *str == '.') {
str++;
remaining--;
for (i = 0; i < 3 && remaining; i++, str++, remaining--) {
if (*str < '0' || *str > '9')
break;
}
}
}
*(p++) = 'Z';
*(p++) = '\0';
if (!remaining)
return 0;
if (*str == 'Z') {
if (remaining != 1)
return 0;
offset = 0;
} else {
if ((*str != '+') && (*str != '-'))
return 0;
if (remaining != 5)
return 0;
if (str[1] < '0' || str[1] > '9' || str[2] < '0' || str[2] > '9' ||
str[3] < '0' || str[3] > '9' || str[4] < '0' || str[4] > '9')
return 0;
offset = ((str[1] - '0') * 10 + (str[2] - '0')) * 60;
offset += (str[3] - '0') * 10 + (str[4] - '0');
if (*str == '-')
offset = -offset;
}
atm.type = ctm->type;
atm.flags = 0;
atm.length = sizeof(buff2);
atm.data = (unsigned char *)buff2;
if (X509_time_adj(&atm, offset * 60, cmp_time) == NULL)
return 0;
if (ctm->type == V_ASN1_UTCTIME) {
i = (buff1[0] - '0') * 10 + (buff1[1] - '0');
if (i < 50)
i += 100;
j = (buff2[0] - '0') * 10 + (buff2[1] - '0');
if (j < 50)
j += 100;
if (i < j)
return -1;
if (i > j)
return 1;
}
i = strcmp(buff1, buff2);
if (i == 0)
return -1;
else
return i;
} | https://github.com/openssl/openssl/blob/b169c0ec40408566270fb638bcbfab01a0d2dc60/crypto/x509/x509_vfy.c/#L1856 |
d2a_code_data_43082 | static inline void decode_line(FFV1Context *s, int w, int_fast16_t *sample[2], int plane_index, int bits){
PlaneContext * const p= &s->plane[plane_index];
RangeCoder * const c= &s->c;
int x;
int run_count=0;
int run_mode=0;
int run_index= s->run_index;
for(x=0; x<w; x++){
int diff, context, sign;
context= get_context(s, sample[1] + x, sample[0] + x, sample[1] + x);
if(context < 0){
context= -context;
sign=1;
}else
sign=0;
if(s->ac){
diff= get_symbol(c, p->state[context], 1);
}else{
if(context == 0 && run_mode==0) run_mode=1;
if(run_mode){
if(run_count==0 && run_mode==1){
if(get_bits1(&s->gb)){
run_count = 1<<log2_run[run_index];
if(x + run_count <= w) run_index++;
}else{
if(log2_run[run_index]) run_count = get_bits(&s->gb, log2_run[run_index]);
else run_count=0;
if(run_index) run_index--;
run_mode=2;
}
}
run_count--;
if(run_count < 0){
run_mode=0;
run_count=0;
diff= get_vlc_symbol(&s->gb, &p->vlc_state[context], bits);
if(diff>=0) diff++;
}else
diff=0;
}else
diff= get_vlc_symbol(&s->gb, &p->vlc_state[context], bits);
}
if(sign) diff= -diff;
sample[1][x]= (predict(sample[1] + x, sample[0] + x) + diff) & ((1<<bits)-1);
}
s->run_index= run_index;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/ffv1.c/#L763 |
d2a_code_data_43083 | int WPACKET_memcpy(WPACKET *pkt, const void *src, size_t len)
{
unsigned char *dest;
if (len == 0)
return 1;
if (!WPACKET_allocate_bytes(pkt, len, &dest))
return 0;
memcpy(dest, src, len);
return 1;
} | https://github.com/openssl/openssl/blob/6438632420cee9821409221ef6717edc5ee408c1/ssl/packet.c/#L312 |
d2a_code_data_43084 | int BN_mod_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const BIGNUM *m,
BN_CTX *ctx)
{
BIGNUM *t;
int ret = 0;
bn_check_top(a);
bn_check_top(b);
bn_check_top(m);
BN_CTX_start(ctx);
if ((t = BN_CTX_get(ctx)) == NULL)
goto err;
if (a == b) {
if (!BN_sqr(t, a, ctx))
goto err;
} else {
if (!BN_mul(t, a, b, ctx))
goto err;
}
if (!BN_nnmod(r, t, m, ctx))
goto err;
bn_check_top(r);
ret = 1;
err:
BN_CTX_end(ctx);
return (ret);
} | https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/crypto/bn/bn_mod.c/#L196 |
d2a_code_data_43085 | 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_43086 | void
ngx_http_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
{
ngx_connection_t *c;
ngx_http_request_t *pr;
ngx_http_core_loc_conf_t *clcf;
c = r->connection;
ngx_log_debug5(NGX_LOG_DEBUG_HTTP, c->log, 0,
"http finalize request: %i, \"%V?%V\" a:%d, c:%d",
rc, &r->uri, &r->args, r == c->data, r->main->count);
if (rc == NGX_DONE) {
ngx_http_finalize_connection(r);
return;
}
if (rc == NGX_OK && r->filter_finalize) {
c->error = 1;
}
if (rc == NGX_DECLINED) {
r->content_handler = NULL;
r->write_event_handler = ngx_http_core_run_phases;
ngx_http_core_run_phases(r);
return;
}
if (r != r->main && r->post_subrequest) {
rc = r->post_subrequest->handler(r, r->post_subrequest->data, rc);
}
if (rc == NGX_ERROR
|| rc == NGX_HTTP_REQUEST_TIME_OUT
|| rc == NGX_HTTP_CLIENT_CLOSED_REQUEST
|| c->error)
{
if (ngx_http_post_action(r) == NGX_OK) {
return;
}
if (r->main->blocked) {
r->write_event_handler = ngx_http_request_finalizer;
}
ngx_http_terminate_request(r, rc);
return;
}
if (rc >= NGX_HTTP_SPECIAL_RESPONSE
|| rc == NGX_HTTP_CREATED
|| rc == NGX_HTTP_NO_CONTENT)
{
if (rc == NGX_HTTP_CLOSE) {
ngx_http_terminate_request(r, rc);
return;
}
if (r == r->main) {
if (c->read->timer_set) {
ngx_del_timer(c->read);
}
if (c->write->timer_set) {
ngx_del_timer(c->write);
}
}
c->read->handler = ngx_http_request_handler;
c->write->handler = ngx_http_request_handler;
ngx_http_finalize_request(r, ngx_http_special_response_handler(r, rc));
return;
}
if (r != r->main) {
if (r->buffered || r->postponed) {
if (ngx_http_set_write_handler(r) != NGX_OK) {
ngx_http_terminate_request(r, 0);
}
return;
}
pr = r->parent;
if (r == c->data) {
r->main->count--;
if (!r->logged) {
clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
if (clcf->log_subrequest) {
ngx_http_log_request(r);
}
r->logged = 1;
} else {
ngx_log_error(NGX_LOG_ALERT, c->log, 0,
"subrequest: \"%V?%V\" logged again",
&r->uri, &r->args);
}
r->done = 1;
if (pr->postponed && pr->postponed->request == r) {
pr->postponed = pr->postponed->next;
}
c->data = pr;
} else {
ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
"http finalize non-active request: \"%V?%V\"",
&r->uri, &r->args);
r->write_event_handler = ngx_http_request_finalizer;
if (r->waited) {
r->done = 1;
}
}
if (ngx_http_post_request(pr, NULL) != NGX_OK) {
r->main->count++;
ngx_http_terminate_request(r, 0);
return;
}
ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
"http wake parent request: \"%V?%V\"",
&pr->uri, &pr->args);
return;
}
if (r->buffered || c->buffered || r->postponed || r->blocked) {
if (ngx_http_set_write_handler(r) != NGX_OK) {
ngx_http_terminate_request(r, 0);
}
return;
}
if (r != c->data) {
ngx_log_error(NGX_LOG_ALERT, c->log, 0,
"http finalize non-active request: \"%V?%V\"",
&r->uri, &r->args);
return;
}
r->done = 1;
r->write_event_handler = ngx_http_request_empty_handler;
if (!r->post_action) {
r->request_complete = 1;
}
if (ngx_http_post_action(r) == NGX_OK) {
return;
}
if (c->read->timer_set) {
ngx_del_timer(c->read);
}
if (c->write->timer_set) {
c->write->delayed = 0;
ngx_del_timer(c->write);
}
if (c->read->eof) {
ngx_http_close_request(r, 0);
return;
}
ngx_http_finalize_connection(r);
} | https://github.com/nginx/nginx/blob/b9a031622b7bf586a9c724dade16abfac188f2f2/src/http/ngx_http_request.c/#L2354 |
d2a_code_data_43087 | static void
JPEGFixupTagsSubsampling(TIFF* tif)
{
static const char module[] = "JPEGFixupTagsSubsampling";
struct JPEGFixupTagsSubsamplingData m;
_TIFFFillStriles( tif );
if( tif->tif_dir.td_stripbytecount == NULL
|| tif->tif_dir.td_stripoffset == NULL
|| tif->tif_dir.td_stripbytecount[0] == 0 )
{
return;
}
m.tif=tif;
m.buffersize=2048;
m.buffer=_TIFFmalloc(m.buffersize);
if (m.buffer==NULL)
{
TIFFWarningExt(tif->tif_clientdata,module,
"Unable to allocate memory for auto-correcting of subsampling values; auto-correcting skipped");
return;
}
m.buffercurrentbyte=NULL;
m.bufferbytesleft=0;
m.fileoffset=tif->tif_dir.td_stripoffset[0];
m.filepositioned=0;
m.filebytesleft=tif->tif_dir.td_stripbytecount[0];
if (!JPEGFixupTagsSubsamplingSec(&m))
TIFFWarningExt(tif->tif_clientdata,module,
"Unable to auto-correct subsampling values, likely corrupt JPEG compressed data in first strip/tile; auto-correcting skipped");
_TIFFfree(m.buffer);
} | https://gitlab.com/libtiff/libtiff/blob/6dac309a9701d15ac52d895d566ddae2ed49db9b/libtiff/tif_jpeg.c/#L812 |
d2a_code_data_43088 | 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/6d0b5ee1d6163732b886bc0567dbce08aeade4c1/ssl/packet.c/#L49 |
d2a_code_data_43089 | int test_exp(BIO *bp, BN_CTX *ctx)
{
BIGNUM *a, *b, *d, *e, *one;
int i;
a = BN_new();
b = BN_new();
d = BN_new();
e = BN_new();
one = BN_new();
BN_one(one);
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_exp(d, a, b, ctx) <= 0)
return (0);
if (bp != NULL) {
if (!results) {
BN_print(bp, a);
BIO_puts(bp, " ^ ");
BN_print(bp, b);
BIO_puts(bp, " - ");
}
BN_print(bp, d);
BIO_puts(bp, "\n");
}
BN_one(e);
for (; !BN_is_zero(b); BN_sub(b, b, one))
BN_mul(e, e, a, ctx);
BN_sub(e, e, d);
if (!BN_is_zero(e)) {
fprintf(stderr, "Exponentiation test failed!\n");
return 0;
}
}
BN_free(a);
BN_free(b);
BN_free(d);
BN_free(e);
BN_free(one);
return (1);
} | https://github.com/openssl/openssl/blob/d9e309a675900030d7308e36f614962a344816f9/test/bntest.c/#L1215 |
d2a_code_data_43090 | 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/609a2fa1faa82da2451191170ce1807c9a1ba8a8/libavcodec/utils.c/#L393 |
d2a_code_data_43091 | 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_43092 | static int uint32_c2i(ASN1_VALUE **pval, const unsigned char *cont, int len,
int utype, char *free_cont, const ASN1_ITEM *it)
{
uint64_t utmp = 0;
uint32_t utmp2 = 0;
char *cp;
int neg = 0;
if (*pval == NULL && !uint64_new(pval, it))
return 0;
cp = (char *)*pval;
if (!c2i_uint64_int(&utmp, &neg, &cont, len))
return 0;
if ((it->size & INTxx_FLAG_SIGNED) == 0 && neg) {
ASN1err(ASN1_F_UINT32_C2I, ASN1_R_ILLEGAL_NEGATIVE_VALUE);
return 0;
}
if (neg) {
if (utmp > ABS_INT32_MIN) {
ASN1err(ASN1_F_UINT32_C2I, ASN1_R_TOO_SMALL);
return 0;
}
utmp = 0 - utmp;
} else {
if (((it->size & INTxx_FLAG_SIGNED) != 0 && utmp > INT32_MAX)
|| ((it->size & INTxx_FLAG_SIGNED) == 0 && utmp > UINT32_MAX)) {
ASN1err(ASN1_F_UINT32_C2I, ASN1_R_TOO_LARGE);
return 0;
}
}
utmp2 = (uint32_t)utmp;
memcpy(cp, &utmp2, sizeof(utmp2));
return 1;
} | https://github.com/openssl/openssl/blob/d063add7cbdaf82e6208ef01414432320260e974/crypto/asn1/x_int64.c/#L184 |
d2a_code_data_43093 | int test_mul(BIO *bp)
{
BIGNUM *a, *b, *c, *d, *e;
int i;
BN_CTX *ctx;
ctx = BN_CTX_new();
if (ctx == NULL)
EXIT(1);
a = BN_new();
b = BN_new();
c = BN_new();
d = BN_new();
e = BN_new();
for (i = 0; i < num0 + num1; i++) {
if (i <= num1) {
BN_bntest_rand(a, 100, 0, 0);
BN_bntest_rand(b, 100, 0, 0);
} else
BN_bntest_rand(b, i - num1, 0, 0);
a->neg = rand_neg();
b->neg = rand_neg();
BN_mul(c, a, b, ctx);
if (bp != NULL) {
if (!results) {
BN_print(bp, a);
BIO_puts(bp, " * ");
BN_print(bp, b);
BIO_puts(bp, " - ");
}
BN_print(bp, c);
BIO_puts(bp, "\n");
}
BN_div(d, e, c, a, ctx);
BN_sub(d, d, b);
if (!BN_is_zero(d) || !BN_is_zero(e)) {
fprintf(stderr, "Multiplication test failed!\n");
return 0;
}
}
BN_free(a);
BN_free(b);
BN_free(c);
BN_free(d);
BN_free(e);
BN_CTX_free(ctx);
return (1);
} | https://github.com/openssl/openssl/blob/d9e309a675900030d7308e36f614962a344816f9/test/bntest.c/#L680 |
d2a_code_data_43094 | 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/4bed94f0c11ef63587c6b2edb03c3c438e221604/apps/speed.c/#L3134 |
d2a_code_data_43095 | static void decode(Real288_internal *glob, unsigned int input)
{
unsigned int x,y;
float f;
double sum,sumsum;
float *p1,*p2;
float buffer[5];
const float *table;
for (x=36;x--;glob->sb[x+5]=glob->sb[x]);
for (x=5;x--;) {
p1=glob->sb+x;p2=glob->pr1;
for (sum=0,y=36;y--;sum-=(*(++p1))*(*(p2++)));
glob->sb[x]=sum;
}
f=amptable[input&7];
table=codetable+(input>>3)*5;
for (sum=32,x=10;x--;sum-=glob->pr2[x]*glob->lhist[x]);
if (sum<0) sum=0; else if (sum>60) sum=60;
sumsum=exp(sum*0.1151292546497)*f;
for (sum=0,x=5;x--;) { buffer[x]=table[x]*sumsum; sum+=buffer[x]*buffer[x]; }
if ((sum/=5)<1) sum=1;
for (x=10;--x;glob->lhist[x]=glob->lhist[x-1]);
*glob->lhist=glob->history[glob->phase]=10*log10(sum)-32;
for (x=1;x<5;x++) for (y=x;y--;buffer[x]-=glob->pr1[x-y-1]*buffer[y]);
for (x=0;x<5;x++) {
f=glob->sb[4-x]+buffer[x];
if (f>4095) f=4095; else if (f<-4095) f=-4095;
glob->output[glob->phasep+x]=glob->sb[4-x]=f;
}
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/ra288.c/#L126 |
d2a_code_data_43096 | int fbytes(unsigned char *buf, int num)
{
int ret;
BIGNUM *tmp = NULL;
if (use_fake == 0)
return old_rand->bytes(buf, num);
use_fake = 0;
if (fbytes_counter >= 8)
return 0;
tmp = BN_new();
if (!tmp)
return 0;
if (!BN_dec2bn(&tmp, numbers[fbytes_counter])) {
BN_free(tmp);
return 0;
}
fbytes_counter++;
if (num != BN_num_bytes(tmp) || !BN_bn2bin(tmp, buf))
ret = 0;
else
ret = 1;
BN_free(tmp);
return ret;
} | https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/test/ecdsatest.c/#L171 |
d2a_code_data_43097 | 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/260a16f33682a819414fcba6161708a5e6bdff50/crypto/bn/bn_lib.c/#L232 |
d2a_code_data_43098 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | https://github.com/openssl/openssl/blob/c784a838e0947fcca761ee62def7d077dc06d37f/crypto/bn/bn_ctx.c/#L273 |
d2a_code_data_43099 | static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
{
BN_ULONG *a = NULL;
bn_check_top(b);
if (words > (INT_MAX / (4 * BN_BITS2))) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);
return NULL;
}
if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);
return NULL;
}
if (BN_get_flags(b, BN_FLG_SECURE))
a = OPENSSL_secure_zalloc(words * sizeof(*a));
else
a = OPENSSL_zalloc(words * sizeof(*a));
if (a == NULL) {
BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);
return NULL;
}
assert(b->top <= words);
if (b->top > 0)
memcpy(a, b->d, sizeof(*a) * b->top);
return a;
} | https://github.com/openssl/openssl/blob/b741fcd2ddc4e94faee75a47c241fa136854c81f/crypto/bn/bn_lib.c/#L260 |
d2a_code_data_43100 | int ssl3_cbc_digest_record(const EVP_MD_CTX *ctx,
unsigned char *md_out,
size_t *md_out_size,
const unsigned char header[13],
const unsigned char *data,
size_t data_plus_mac_size,
size_t data_plus_mac_plus_padding_size,
const unsigned char *mac_secret,
unsigned mac_secret_length, char is_sslv3)
{
union {
double align;
unsigned char c[sizeof(LARGEST_DIGEST_CTX)];
} md_state;
void (*md_final_raw) (void *ctx, unsigned char *md_out);
void (*md_transform) (void *ctx, const unsigned char *block);
unsigned md_size, md_block_size = 64;
unsigned sslv3_pad_length = 40, header_length, variance_blocks,
len, max_mac_bytes, num_blocks,
num_starting_blocks, k, mac_end_offset, c, index_a, index_b;
unsigned int bits;
unsigned char length_bytes[MAX_HASH_BIT_COUNT_BYTES];
unsigned char hmac_pad[MAX_HASH_BLOCK_SIZE];
unsigned char first_block[MAX_HASH_BLOCK_SIZE];
unsigned char mac_out[EVP_MAX_MD_SIZE];
unsigned i, j, md_out_size_u;
EVP_MD_CTX md_ctx;
unsigned md_length_size = 8;
char length_is_big_endian = 1;
int ret;
OPENSSL_assert(data_plus_mac_plus_padding_size < 1024 * 1024);
switch (EVP_MD_CTX_type(ctx)) {
case NID_md5:
if (MD5_Init((MD5_CTX *)md_state.c) <= 0)
return 0;
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:
if (SHA1_Init((SHA_CTX *)md_state.c) <= 0)
return 0;
md_final_raw = tls1_sha1_final_raw;
md_transform =
(void (*)(void *ctx, const unsigned char *block))SHA1_Transform;
md_size = 20;
break;
case NID_sha224:
if (SHA224_Init((SHA256_CTX *)md_state.c) <= 0)
return 0;
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:
if (SHA256_Init((SHA256_CTX *)md_state.c) <= 0)
return 0;
md_final_raw = tls1_sha256_final_raw;
md_transform =
(void (*)(void *ctx, const unsigned char *block))SHA256_Transform;
md_size = 32;
break;
case NID_sha384:
if (SHA384_Init((SHA512_CTX *)md_state.c) <= 0)
return 0;
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:
if (SHA512_Init((SHA512_CTX *)md_state.c) <= 0)
return 0;
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;
default:
OPENSSL_assert(0);
if (md_out_size)
*md_out_size = -1;
return 0;
}
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;
if (header_length <= md_block_size) {
return 0;
}
overhang = header_length - md_block_size;
md_transform(md_state.c, header);
memcpy(first_block, header + md_block_size, overhang);
memcpy(first_block + overhang, data, md_block_size - overhang);
md_transform(md_state.c, first_block);
for (i = 1; i < k / md_block_size - 1; i++)
md_transform(md_state.c, data + md_block_size * i - overhang);
} else {
memcpy(first_block, header, 13);
memcpy(first_block + 13, data, md_block_size - 13);
md_transform(md_state.c, first_block);
for (i = 1; i < k / md_block_size; i++)
md_transform(md_state.c, data + md_block_size * i - 13);
}
}
memset(mac_out, 0, sizeof(mac_out));
for (i = num_starting_blocks; i <= num_starting_blocks + variance_blocks;
i++) {
unsigned char block[MAX_HASH_BLOCK_SIZE];
unsigned char is_block_a = constant_time_eq_8(i, index_a);
unsigned char is_block_b = constant_time_eq_8(i, index_b);
for (j = 0; j < md_block_size; j++) {
unsigned char b = 0, is_past_c, is_past_cp1;
if (k < header_length)
b = header[k];
else if (k < data_plus_mac_plus_padding_size + header_length)
b = data[k - header_length];
k++;
is_past_c = is_block_a & constant_time_ge_8(j, c);
is_past_cp1 = is_block_a & constant_time_ge_8(j, c + 1);
b = constant_time_select_8(is_past_c, 0x80, b);
b = b & ~is_past_cp1;
b &= ~is_block_b | is_block_a;
if (j >= md_block_size - md_length_size) {
b = constant_time_select_8(is_block_b,
length_bytes[j -
(md_block_size -
md_length_size)], b);
}
block[j] = b;
}
md_transform(md_state.c, block);
md_final_raw(md_state.c, block);
for (j = 0; j < md_size; j++)
mac_out[j] |= block[j] & is_block_b;
}
EVP_MD_CTX_init(&md_ctx);
if (EVP_DigestInit_ex(&md_ctx, ctx->digest, NULL ) <= 0)
goto err;
if (is_sslv3) {
memset(hmac_pad, 0x5c, sslv3_pad_length);
if (EVP_DigestUpdate(&md_ctx, mac_secret, mac_secret_length) <= 0
|| EVP_DigestUpdate(&md_ctx, hmac_pad, sslv3_pad_length) <= 0
|| EVP_DigestUpdate(&md_ctx, mac_out, md_size) <= 0)
goto err;
} else {
for (i = 0; i < md_block_size; i++)
hmac_pad[i] ^= 0x6a;
if (EVP_DigestUpdate(&md_ctx, hmac_pad, md_block_size) <= 0
|| EVP_DigestUpdate(&md_ctx, mac_out, md_size) <= 0)
goto err;
}
ret = EVP_DigestFinal(&md_ctx, md_out, &md_out_size_u);
if (ret && md_out_size)
*md_out_size = md_out_size_u;
EVP_MD_CTX_cleanup(&md_ctx);
return 1;
err:
EVP_MD_CTX_cleanup(&md_ctx);
return 0;
} | https://github.com/openssl/openssl/blob/ba4f1331e3e96a83144adf5f100b8b5f8f29a2c9/ssl/s3_cbc.c/#L424 |
d2a_code_data_43101 | 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_43102 | int BN_rshift(BIGNUM *r, const BIGNUM *a, int n)
{
int i, j, nw, lb, rb;
BN_ULONG *t, *f;
BN_ULONG l, tmp;
bn_check_top(r);
bn_check_top(a);
if (n < 0) {
BNerr(BN_F_BN_RSHIFT, BN_R_INVALID_SHIFT);
return 0;
}
nw = n / BN_BITS2;
rb = n % BN_BITS2;
lb = BN_BITS2 - rb;
if (nw >= a->top || a->top == 0) {
BN_zero(r);
return 1;
}
i = (BN_num_bits(a) - n + (BN_BITS2 - 1)) / BN_BITS2;
if (r != a) {
if (bn_wexpand(r, i) == NULL)
return 0;
r->neg = a->neg;
} else {
if (n == 0)
return 1;
}
f = &(a->d[nw]);
t = r->d;
j = a->top - nw;
r->top = i;
if (rb == 0) {
for (i = j; i != 0; i--)
*(t++) = *(f++);
} else {
l = *(f++);
for (i = j - 1; i != 0; i--) {
tmp = (l >> rb) & BN_MASK2;
l = *(f++);
*(t++) = (tmp | (l << lb)) & BN_MASK2;
}
if ((l = (l >> rb) & BN_MASK2))
*(t) = l;
}
if (!r->top)
r->neg = 0;
bn_check_top(r);
return 1;
} | https://github.com/openssl/openssl/blob/b48d4397b8ee4256f0b0a115eb99f27ae89995e0/crypto/bn/bn_shift.c/#L165 |
d2a_code_data_43103 | int
copyFaxFile(TIFF* tifin, TIFF* tifout)
{
uint32 row;
uint32 linesize = TIFFhowmany8(xsize);
uint16 badrun;
int ok;
tifin->tif_rawdatasize = (tmsize_t)TIFFGetFileSize(tifin);
if (tifin->tif_rawdatasize == 0) {
TIFFError(tifin->tif_name, "Empty input file");
return (0);
}
tifin->tif_rawdata = _TIFFmalloc(tifin->tif_rawdatasize);
if (tifin->tif_rawdata == NULL) {
TIFFError(tifin->tif_name, "Not enough memory");
return (0);
}
if (!ReadOK(tifin, tifin->tif_rawdata, tifin->tif_rawdatasize)) {
TIFFError(tifin->tif_name, "Read error at scanline 0");
return (0);
}
tifin->tif_rawcp = tifin->tif_rawdata;
tifin->tif_rawcc = tifin->tif_rawdatasize;
(*tifin->tif_setupdecode)(tifin);
(*tifin->tif_predecode)(tifin, (tsample_t) 0);
tifin->tif_row = 0;
badfaxlines = 0;
badfaxrun = 0;
_TIFFmemset(refbuf, 0, linesize);
row = 0;
badrun = 0;
while (tifin->tif_rawcc > 0) {
ok = (*tifin->tif_decoderow)(tifin, (tdata_t) rowbuf,
linesize, 0);
if (!ok) {
badfaxlines++;
badrun++;
_TIFFmemcpy(rowbuf, refbuf, linesize);
} else {
if (badrun > badfaxrun)
badfaxrun = badrun;
badrun = 0;
_TIFFmemcpy(refbuf, rowbuf, linesize);
}
tifin->tif_row++;
if (TIFFWriteScanline(tifout, rowbuf, row, 0) < 0) {
fprintf(stderr, "%s: Write error at row %ld.\n",
tifout->tif_name, (long) row);
break;
}
row++;
if (stretch) {
if (TIFFWriteScanline(tifout, rowbuf, row, 0) < 0) {
fprintf(stderr, "%s: Write error at row %ld.\n",
tifout->tif_name, (long) row);
break;
}
row++;
}
}
if (badrun > badfaxrun)
badfaxrun = badrun;
_TIFFfree(tifin->tif_rawdata);
return (row);
} | https://gitlab.com/libtiff/libtiff/blob/6dac309a9701d15ac52d895d566ddae2ed49db9b/tools/fax2tiff.c/#L390 |
d2a_code_data_43104 | static void opt_vstats (void)
{
char filename[40];
time_t today2 = time(NULL);
struct tm *today = localtime(&today2);
snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
today->tm_sec);
opt_vstats_file(filename);
} | https://github.com/libav/libav/blob/ad0d70c964f852a18e9ab8124f0e7aa8876cac6e/ffmpeg.c/#L4095 |
d2a_code_data_43105 | static int t_fromb64(unsigned char *a, size_t alen, const char *src)
{
char *loc;
int i, j;
int size;
while (*src && (*src == ' ' || *src == '\t' || *src == '\n'))
++src;
size = strlen(src);
if (alen > INT_MAX || size > (int)alen)
return -1;
i = 0;
while (i < size) {
loc = strchr(b64table, src[i]);
if (loc == (char *)0)
break;
else
a[i] = loc - b64table;
++i;
}
if (i == 0)
return 0;
size = i;
i = size - 1;
j = size;
while (1) {
a[j] = a[i];
if (--i < 0)
break;
a[j] |= (a[i] & 3) << 6;
--j;
a[j] = (unsigned char)((a[i] & 0x3c) >> 2);
if (--i < 0)
break;
a[j] |= (a[i] & 0xf) << 4;
--j;
a[j] = (unsigned char)((a[i] & 0x30) >> 4);
if (--i < 0)
break;
a[j] |= (a[i] << 2);
a[--j] = 0;
if (--i < 0)
break;
}
while (a[j] == 0 && j <= size)
++j;
i = 0;
while (j <= size)
a[i++] = a[j++];
return i;
} | https://github.com/openssl/openssl/blob/9dd4ac8cf17f2afd636e85ae0111d1df4104a475/crypto/srp/srp_vfy.c/#L80 |
d2a_code_data_43106 | static int opt_streamid(OptionsContext *o, const char *opt, const char *arg)
{
int idx;
char *p;
char idx_str[16];
av_strlcpy(idx_str, arg, sizeof(idx_str));
p = strchr(idx_str, ':');
if (!p) {
av_log(NULL, AV_LOG_FATAL,
"Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
arg, opt);
exit_program(1);
}
*p++ = '\0';
idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, INT_MAX);
o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
return 0;
} | https://github.com/libav/libav/blob/e1edfbcb240cace69d92701e6910c2b03555b7d7/avconv.c/#L3466 |
d2a_code_data_43107 | void ff_h264_draw_horiz_band(const H264Context *h, H264SliceContext *sl,
int y, int height)
{
AVCodecContext *avctx = h->avctx;
const AVFrame *src = &h->cur_pic.f;
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt);
int vshift = desc->log2_chroma_h;
const int field_pic = h->picture_structure != PICT_FRAME;
if (field_pic) {
height <<= 1;
y <<= 1;
}
height = FFMIN(height, avctx->height - y);
if (field_pic && h->first_field && !(avctx->slice_flags & SLICE_FLAG_ALLOW_FIELD))
return;
if (avctx->draw_horiz_band) {
int offset[AV_NUM_DATA_POINTERS];
int i;
offset[0] = y * src->linesize[0];
offset[1] =
offset[2] = (y >> vshift) * src->linesize[1];
for (i = 3; i < AV_NUM_DATA_POINTERS; i++)
offset[i] = 0;
emms_c();
avctx->draw_horiz_band(avctx, src, offset,
y, h->picture_structure, height);
}
} | https://github.com/libav/libav/blob/a939e5b2527d0c4628815b1d3d8e29ee921227e8/libavcodec/h264.c/#L88 |
d2a_code_data_43108 | 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_43109 | 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/69588edbaa424beb71c6a9b1be416588232cb78c/crypto/bn/bn_shift.c/#L110 |
d2a_code_data_43110 | static void
ngx_http_limit_zone_cleanup(void *data)
{
ngx_http_limit_zone_cleanup_t *lzcln = data;
ngx_slab_pool_t *shpool;
ngx_rbtree_node_t *node;
ngx_http_limit_zone_ctx_t *ctx;
ngx_http_limit_zone_node_t *lz;
ctx = lzcln->shm_zone->data;
shpool = (ngx_slab_pool_t *) lzcln->shm_zone->shm.addr;
node = lzcln->node;
lz = (ngx_http_limit_zone_node_t *) &node->color;
ngx_shmtx_lock(&shpool->mutex);
ngx_log_debug2(NGX_LOG_DEBUG_HTTP, lzcln->shm_zone->shm.log, 0,
"limit zone cleanup: %08XD %d", node->key, lz->conn);
lz->conn--;
if (lz->conn == 0) {
ngx_rbtree_delete(ctx->rbtree, node);
ngx_slab_free_locked(shpool, node);
}
ngx_shmtx_unlock(&shpool->mutex);
} | https://github.com/nginx/nginx/blob/e4ecddfdb0d2ffc872658e36028971ad9a873726/src/http/modules/ngx_http_limit_zone_module.c/#L303 |
d2a_code_data_43111 | tsize_t Ascii85EncodeBlock( uint8 * ascii85_p, unsigned f_eod, const uint8 * raw_p, tsize_t raw_l )
{
char ascii85[5];
tsize_t ascii85_l;
int rc;
uint32 val32;
ascii85_l = 0;
if ( raw_p )
{
--raw_p;
for ( ; raw_l > 3; raw_l -= 4 )
{
val32 = *(++raw_p) << 24;
val32 += *(++raw_p) << 16;
val32 += *(++raw_p) << 8;
val32 += *(++raw_p);
if ( val32 == 0 )
{
ascii85_p[ascii85_l] = 'z';
rc = 1;
}
else
{
ascii85[4] = (char) ((val32 % 85) + 33);
val32 /= 85;
ascii85[3] = (char) ((val32 % 85) + 33);
val32 /= 85;
ascii85[2] = (char) ((val32 % 85) + 33);
val32 /= 85;
ascii85[1] = (char) ((val32 % 85) + 33);
ascii85[0] = (char) ((val32 / 85) + 33);
_TIFFmemcpy( &ascii85_p[ascii85_l], ascii85, sizeof(ascii85) );
rc = sizeof(ascii85);
}
ascii85_l += rc;
if ( (A85BREAKCNTR -= rc) <= 0 )
{
ascii85_p[ascii85_l] = '\n';
++ascii85_l;
A85BREAKCNTR = A85BREAKLEN;
}
}
if ( raw_l > 0 )
{
tsize_t len;
len = raw_l + 1;
val32 = *++raw_p << 24;
if ( --raw_l > 0 ) val32 += *(++raw_p) << 16;
if ( --raw_l > 0 ) val32 += *(++raw_p) << 8;
val32 /= 85;
ascii85[3] = (char) ((val32 % 85) + 33);
val32 /= 85;
ascii85[2] = (char) ((val32 % 85) + 33);
val32 /= 85;
ascii85[1] = (char) ((val32 % 85) + 33);
ascii85[0] = (char) ((val32 / 85) + 33);
_TIFFmemcpy( &ascii85_p[ascii85_l], ascii85, len );
ascii85_l += len;
}
}
if ( f_eod )
{
ascii85_p[ascii85_l++] = '~';
ascii85_p[ascii85_l++] = '>';
ascii85_p[ascii85_l++] = '\n';
}
return ( ascii85_l );
} | https://gitlab.com/libtiff/libtiff/blob/771a4ea0a98c7a218c9f3add9a05e08d29625758/tools/tiff2ps.c/#L2268 |
d2a_code_data_43112 | int tls1_export_keying_material(SSL *s, unsigned char *out, unsigned int olen,
const char *label, unsigned int llen, const unsigned char *context,
unsigned int contextlen, int use_context)
{
unsigned char *buff;
unsigned char *val;
unsigned int vallen, currentvalpos, rv;
#ifdef KSSL_DEBUG
printf ("tls1_export_keying_material(%p, %p,%d, %s,%d, %p,%d)\n", s, out,olen, label,llen, p,plen);
#endif
buff = OPENSSL_malloc(olen);
if (buff == NULL) goto err2;
vallen = llen + SSL3_RANDOM_SIZE * 2;
if (use_context)
{
vallen += 2 + contextlen;
}
val = OPENSSL_malloc(vallen);
if (val == NULL) goto err2;
currentvalpos = 0;
memcpy(val + currentvalpos, (unsigned char *) label, llen);
currentvalpos += llen;
memcpy(val + currentvalpos, s->s3->client_random, SSL3_RANDOM_SIZE);
currentvalpos += SSL3_RANDOM_SIZE;
memcpy(val + currentvalpos, s->s3->server_random, SSL3_RANDOM_SIZE);
currentvalpos += SSL3_RANDOM_SIZE;
if (use_context)
{
val[currentvalpos] = (contextlen << 8) & 0xff;
currentvalpos++;
val[currentvalpos] = contextlen & 0xff;
currentvalpos++;
if ((contextlen > 0) || (context != NULL))
{
memcpy(val + currentvalpos, context, contextlen);
}
}
if (bcmp(val, TLS_MD_CLIENT_FINISH_CONST,
TLS_MD_CLIENT_FINISH_CONST_SIZE) == 0) goto err1;
if (bcmp(val, TLS_MD_SERVER_FINISH_CONST,
TLS_MD_SERVER_FINISH_CONST_SIZE) == 0) goto err1;
if (bcmp(val, TLS_MD_MASTER_SECRET_CONST,
TLS_MD_MASTER_SECRET_CONST_SIZE) == 0) goto err1;
if (bcmp(val, TLS_MD_KEY_EXPANSION_CONST,
TLS_MD_KEY_EXPANSION_CONST_SIZE) == 0) goto err1;
tls1_PRF(s->s3->tmp.new_cipher->algorithm2,
val, vallen,
NULL, 0,
NULL, 0,
NULL, 0,
NULL, 0,
s->session->master_key,s->session->master_key_length,
out,buff,olen);
#ifdef KSSL_DEBUG
printf ("tls1_export_keying_material() complete\n");
#endif
rv = olen;
goto ret;
err1:
SSLerr(SSL_F_TLS1_EXPORT_KEYING_MATERIAL, SSL_R_TLS_ILLEGAL_EXPORTER_LABEL);
rv = 0;
goto ret;
err2:
SSLerr(SSL_F_TLS1_EXPORT_KEYING_MATERIAL, ERR_R_MALLOC_FAILURE);
rv = 0;
ret:
if (buff != NULL) OPENSSL_free(buff);
if (val != NULL) OPENSSL_free(val);
return(rv);
} | https://github.com/openssl/openssl/blob/d674bb4bc84e6e8cf510adfe7049cb19a2c29cf8/ssl/t1_enc.c/#L1207 |
d2a_code_data_43113 | 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_43114 | static rgbConvFn findRgbConvFn(SwsContext *c)
{
const enum AVPixelFormat srcFormat = c->srcFormat;
const enum AVPixelFormat dstFormat = c->dstFormat;
const int srcId = c->srcFormatBpp;
const int dstId = c->dstFormatBpp;
rgbConvFn conv = NULL;
const AVPixFmtDescriptor *desc_src = av_pix_fmt_desc_get(srcFormat);
const AVPixFmtDescriptor *desc_dst = av_pix_fmt_desc_get(dstFormat);
#define IS_NOT_NE(bpp, desc) \
(((bpp + 7) >> 3) == 2 && \
(!(desc->flags & AV_PIX_FMT_FLAG_BE) != !HAVE_BIGENDIAN))
if (IS_NOT_NE(srcId, desc_src) || IS_NOT_NE(dstId, desc_dst))
return NULL;
#define CONV_IS(src, dst) (srcFormat == AV_PIX_FMT_##src && dstFormat == AV_PIX_FMT_##dst)
if (isRGBA32(srcFormat) && isRGBA32(dstFormat)) {
if ( CONV_IS(ABGR, RGBA)
|| CONV_IS(ARGB, BGRA)
|| CONV_IS(BGRA, ARGB)
|| CONV_IS(RGBA, ABGR)) conv = shuffle_bytes_3210;
else if (CONV_IS(ABGR, ARGB)
|| CONV_IS(ARGB, ABGR)) conv = shuffle_bytes_0321;
else if (CONV_IS(ABGR, BGRA)
|| CONV_IS(ARGB, RGBA)) conv = shuffle_bytes_1230;
else if (CONV_IS(BGRA, RGBA)
|| CONV_IS(RGBA, BGRA)) conv = shuffle_bytes_2103;
else if (CONV_IS(BGRA, ABGR)
|| CONV_IS(RGBA, ARGB)) conv = shuffle_bytes_3012;
} else
if ((isBGRinInt(srcFormat) && isBGRinInt(dstFormat)) ||
(isRGBinInt(srcFormat) && isRGBinInt(dstFormat))) {
switch (srcId | (dstId << 16)) {
case 0x000F000C: conv = rgb12to15; break;
case 0x000F0010: conv = rgb16to15; break;
case 0x000F0018: conv = rgb24to15; break;
case 0x000F0020: conv = rgb32to15; break;
case 0x0010000F: conv = rgb15to16; break;
case 0x00100018: conv = rgb24to16; break;
case 0x00100020: conv = rgb32to16; break;
case 0x0018000F: conv = rgb15to24; break;
case 0x00180010: conv = rgb16to24; break;
case 0x00180020: conv = rgb32to24; break;
case 0x0020000F: conv = rgb15to32; break;
case 0x00200010: conv = rgb16to32; break;
case 0x00200018: conv = rgb24to32; break;
}
} else if ((isBGRinInt(srcFormat) && isRGBinInt(dstFormat)) ||
(isRGBinInt(srcFormat) && isBGRinInt(dstFormat))) {
switch (srcId | (dstId << 16)) {
case 0x000C000C: conv = rgb12tobgr12; break;
case 0x000F000F: conv = rgb15tobgr15; break;
case 0x000F0010: conv = rgb16tobgr15; break;
case 0x000F0018: conv = rgb24tobgr15; break;
case 0x000F0020: conv = rgb32tobgr15; break;
case 0x0010000F: conv = rgb15tobgr16; break;
case 0x00100010: conv = rgb16tobgr16; break;
case 0x00100018: conv = rgb24tobgr16; break;
case 0x00100020: conv = rgb32tobgr16; break;
case 0x0018000F: conv = rgb15tobgr24; break;
case 0x00180010: conv = rgb16tobgr24; break;
case 0x00180018: conv = rgb24tobgr24; break;
case 0x00180020: conv = rgb32tobgr24; break;
case 0x0020000F: conv = rgb15tobgr32; break;
case 0x00200010: conv = rgb16tobgr32; break;
case 0x00200018: conv = rgb24tobgr32; break;
}
}
return conv;
} | https://github.com/libav/libav/blob/0a14fefd68cc18ce3252edff8a05ee9b3945b694/libswscale/swscale_unscaled.c/#L568 |
d2a_code_data_43115 | 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_43116 | static int opt_streamid(const char *opt, const char *arg)
{
int idx;
char *p;
char idx_str[16];
av_strlcpy(idx_str, arg, sizeof(idx_str));
p = strchr(idx_str, ':');
if (!p) {
fprintf(stderr,
"Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
arg, opt);
ffmpeg_exit(1);
}
*p++ = '\0';
idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
return 0;
} | https://github.com/libav/libav/blob/41e21e4db623ebd77f431a6f30cf21d62d9e1f33/ffmpeg.c/#L3766 |
d2a_code_data_43117 | int OBJ_NAME_new_index(unsigned long (*hash_func) (const char *),
int (*cmp_func) (const char *, const char *),
void (*free_func) (const char *, int, const char *))
{
int ret;
int i;
NAME_FUNCS *name_funcs;
if (name_funcs_stack == NULL) {
CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_DISABLE);
name_funcs_stack = sk_NAME_FUNCS_new_null();
CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ENABLE);
}
if (name_funcs_stack == NULL) {
return (0);
}
ret = names_type_num;
names_type_num++;
for (i = sk_NAME_FUNCS_num(name_funcs_stack); i < names_type_num; i++) {
CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_DISABLE);
name_funcs = OPENSSL_zalloc(sizeof(*name_funcs));
CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ENABLE);
if (name_funcs == NULL) {
OBJerr(OBJ_F_OBJ_NAME_NEW_INDEX, ERR_R_MALLOC_FAILURE);
return (0);
}
name_funcs->hash_func = lh_strhash;
name_funcs->cmp_func = OPENSSL_strcmp;
CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_DISABLE);
sk_NAME_FUNCS_push(name_funcs_stack, name_funcs);
CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ENABLE);
}
name_funcs = sk_NAME_FUNCS_value(name_funcs_stack, ret);
if (hash_func != NULL)
name_funcs->hash_func = hash_func;
if (cmp_func != NULL)
name_funcs->cmp_func = cmp_func;
if (free_func != NULL)
name_funcs->free_func = free_func;
return (ret);
} | https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/crypto/objects/o_names.c/#L97 |
d2a_code_data_43118 | static void h261_loop_filter_c(uint8_t *src, int stride){
int x,y,xy,yz;
int temp[64];
for(x=0; x<8; x++){
temp[x ] = 4*src[x ];
temp[x + 7*8] = 4*src[x + 7*stride];
}
for(y=1; y<7; y++){
for(x=0; x<8; x++){
xy = y * stride + x;
yz = y * 8 + x;
temp[yz] = src[xy - stride] + 2*src[xy] + src[xy + stride];
}
}
for(y=0; y<8; y++){
src[ y*stride] = (temp[ y*8] + 2)>>2;
src[7+y*stride] = (temp[7+y*8] + 2)>>2;
for(x=1; x<7; x++){
xy = y * stride + x;
yz = y * 8 + x;
src[xy] = (temp[yz-1] + 2*temp[yz] + temp[yz+1] + 8)>>4;
}
}
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/dsputil.c/#L2907 |
d2a_code_data_43119 | int test_kron(BIO *bp, BN_CTX *ctx)
{
BN_GENCB cb;
BIGNUM *a, *b, *r, *t;
int i;
int legendre, kronecker;
int ret = 0;
a = BN_new();
b = BN_new();
r = BN_new();
t = BN_new();
if (a == NULL || b == NULL || r == NULL || t == NULL)
goto err;
BN_GENCB_set(&cb, genprime_cb, NULL);
if (!BN_generate_prime_ex(b, 512, 0, NULL, NULL, &cb))
goto err;
b->neg = rand_neg();
putc('\n', stderr);
for (i = 0; i < num0; i++) {
if (!BN_bntest_rand(a, 512, 0, 0))
goto err;
a->neg = rand_neg();
if (!BN_copy(t, b))
goto err;
t->neg = 0;
if (!BN_sub_word(t, 1))
goto err;
if (!BN_rshift1(t, t))
goto err;
b->neg = 0;
if (!BN_mod_exp_recp(r, a, t, b, ctx))
goto err;
b->neg = 1;
if (BN_is_word(r, 1))
legendre = 1;
else if (BN_is_zero(r))
legendre = 0;
else {
if (!BN_add_word(r, 1))
goto err;
if (0 != BN_ucmp(r, b)) {
fprintf(stderr, "Legendre symbol computation failed\n");
goto err;
}
legendre = -1;
}
kronecker = BN_kronecker(a, b, ctx);
if (kronecker < -1)
goto err;
if (a->neg && b->neg)
kronecker = -kronecker;
if (legendre != kronecker) {
fprintf(stderr, "legendre != kronecker; a = ");
BN_print_fp(stderr, a);
fprintf(stderr, ", b = ");
BN_print_fp(stderr, b);
fprintf(stderr, "\n");
goto err;
}
putc('.', stderr);
fflush(stderr);
}
putc('\n', stderr);
fflush(stderr);
ret = 1;
err:
BN_free(a);
BN_free(b);
BN_free(r);
BN_free(t);
return ret;
} | https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/test/bntest.c/#L1744 |
d2a_code_data_43120 | DH *ssl_get_auto_dh(SSL *s)
{
int dh_secbits = 80;
if (s->cert->dh_tmp_auto == 2)
return DH_get_1024_160();
if (s->s3->tmp.new_cipher->algorithm_auth & (SSL_aNULL | SSL_aPSK)) {
if (s->s3->tmp.new_cipher->strength_bits == 256)
dh_secbits = 128;
else
dh_secbits = 80;
} else {
CERT_PKEY *cpk = ssl_get_server_send_pkey(s);
dh_secbits = EVP_PKEY_security_bits(cpk->privatekey);
}
if (dh_secbits >= 128) {
DH *dhp = DH_new();
BIGNUM *p, *g;
if (dhp == NULL)
return NULL;
g = BN_new();
if (g != NULL)
BN_set_word(g, 2);
if (dh_secbits >= 192)
p = BN_get_rfc3526_prime_8192(NULL);
else
p = BN_get_rfc3526_prime_3072(NULL);
if (p == NULL || g == NULL || !DH_set0_pqg(dhp, p, NULL, g)) {
DH_free(dhp);
BN_free(p);
BN_free(g);
return NULL;
}
return dhp;
}
if (dh_secbits >= 112)
return DH_get_2048_224();
return DH_get_1024_160();
} | https://github.com/openssl/openssl/blob/869d0a37cfa7cfdbd42026d2b75d14cdc64e81e0/ssl/t1_lib.c/#L3973 |
d2a_code_data_43121 | static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
{
AVDictionary **meta_in = NULL;
AVDictionary **meta_out;
int i, ret = 0;
char type_in, type_out;
const char *istream_spec = NULL, *ostream_spec = NULL;
int idx_in = 0, idx_out = 0;
parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
if (type_in == 'g' || type_out == 'g')
o->metadata_global_manual = 1;
if (type_in == 's' || type_out == 's')
o->metadata_streams_manual = 1;
if (type_in == 'c' || type_out == 'c')
o->metadata_chapters_manual = 1;
#define METADATA_CHECK_INDEX(index, nb_elems, desc)\
if ((index) < 0 || (index) >= (nb_elems)) {\
av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
(desc), (index));\
exit_program(1);\
}
#define SET_DICT(type, meta, context, index)\
switch (type) {\
case 'g':\
meta = &context->metadata;\
break;\
case 'c':\
METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
meta = &context->chapters[index]->metadata;\
break;\
case 'p':\
METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
meta = &context->programs[index]->metadata;\
break;\
}\
SET_DICT(type_in, meta_in, ic, idx_in);
SET_DICT(type_out, meta_out, oc, idx_out);
if (type_in == 's') {
for (i = 0; i < ic->nb_streams; i++) {
if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
meta_in = &ic->streams[i]->metadata;
break;
} else if (ret < 0)
exit_program(1);
}
if (!meta_in) {
av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
exit_program(1);
}
}
if (type_out == 's') {
for (i = 0; i < oc->nb_streams; i++) {
if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
meta_out = &oc->streams[i]->metadata;
av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
} else if (ret < 0)
exit_program(1);
}
} else
av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
return 0;
} | https://github.com/libav/libav/blob/4bf3c8f226252e18de8051fd0d417c1d39857b67/avconv.c/#L2859 |
d2a_code_data_43122 | 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_43123 | static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
{
BN_ULONG *a = NULL;
if (words > (INT_MAX / (4 * BN_BITS2))) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);
return NULL;
}
if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);
return NULL;
}
if (BN_get_flags(b, BN_FLG_SECURE))
a = OPENSSL_secure_zalloc(words * sizeof(*a));
else
a = OPENSSL_zalloc(words * sizeof(*a));
if (a == NULL) {
BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);
return NULL;
}
assert(b->top <= words);
if (b->top > 0)
memcpy(a, b->d, sizeof(*a) * b->top);
return a;
} | https://github.com/openssl/openssl/blob/8f58ede09572dcc6a7e6c01280dd348240199568/crypto/bn/bn_lib.c/#L232 |
d2a_code_data_43124 | tmsize_t
TIFFWriteEncodedStrip(TIFF* tif, uint32 strip, void* data, tmsize_t cc)
{
static const char module[] = "TIFFWriteEncodedStrip";
TIFFDirectory *td = &tif->tif_dir;
uint16 sample;
if (!WRITECHECKSTRIPS(tif, module))
return ((tmsize_t) -1);
if (strip >= td->td_nstrips) {
if (td->td_planarconfig == PLANARCONFIG_SEPARATE) {
TIFFErrorExt(tif->tif_clientdata, module,
"Can not grow image by strips when using separate planes");
return ((tmsize_t) -1);
}
if (!TIFFGrowStrips(tif, 1, module))
return ((tmsize_t) -1);
td->td_stripsperimage =
TIFFhowmany_32(td->td_imagelength, td->td_rowsperstrip);
}
if (!BUFFERCHECK(tif))
return ((tmsize_t) -1);
tif->tif_flags |= TIFF_BUF4WRITE;
tif->tif_curstrip = strip;
if (td->td_stripsperimage == 0) {
TIFFErrorExt(tif->tif_clientdata, module, "Zero strips per image");
return ((tmsize_t) -1);
}
tif->tif_row = (strip % td->td_stripsperimage) * td->td_rowsperstrip;
if ((tif->tif_flags & TIFF_CODERSETUP) == 0) {
if (!(*tif->tif_setupencode)(tif))
return ((tmsize_t) -1);
tif->tif_flags |= TIFF_CODERSETUP;
}
if( td->td_stripbytecount[strip] > 0 )
{
if( tif->tif_rawdatasize <= (tmsize_t)td->td_stripbytecount[strip] )
{
if( !(TIFFWriteBufferSetup(tif, NULL,
(tmsize_t)TIFFroundup_64((uint64)(td->td_stripbytecount[strip] + 1), 1024))) )
return ((tmsize_t)(-1));
}
tif->tif_curoff = 0;
}
tif->tif_rawcc = 0;
tif->tif_rawcp = tif->tif_rawdata;
tif->tif_flags &= ~TIFF_POSTENCODE;
if( td->td_compression == COMPRESSION_NONE )
{
tif->tif_postdecode( tif, (uint8*) data, cc );
if (!isFillOrder(tif, td->td_fillorder) &&
(tif->tif_flags & TIFF_NOBITREV) == 0)
TIFFReverseBits((uint8*) data, cc);
if (cc > 0 &&
!TIFFAppendToStrip(tif, strip, (uint8*) data, cc))
return ((tmsize_t) -1);
return (cc);
}
sample = (uint16)(strip / td->td_stripsperimage);
if (!(*tif->tif_preencode)(tif, sample))
return ((tmsize_t) -1);
tif->tif_postdecode( tif, (uint8*) data, cc );
if (!(*tif->tif_encodestrip)(tif, (uint8*) data, cc, sample))
return ((tmsize_t) -1);
if (!(*tif->tif_postencode)(tif))
return ((tmsize_t) -1);
if (!isFillOrder(tif, td->td_fillorder) &&
(tif->tif_flags & TIFF_NOBITREV) == 0)
TIFFReverseBits(tif->tif_rawdata, tif->tif_rawcc);
if (tif->tif_rawcc > 0 &&
!TIFFAppendToStrip(tif, strip, tif->tif_rawdata, tif->tif_rawcc))
return ((tmsize_t) -1);
tif->tif_rawcc = 0;
tif->tif_rawcp = tif->tif_rawdata;
return (cc);
} | https://gitlab.com/libtiff/libtiff/blob/f9fc01c331aa901375ff084b7421559f878ccf0b/libtiff/tif_write.c/#L243 |
d2a_code_data_43125 | void ssl3_cbc_copy_mac(unsigned char *out,
const SSL3_RECORD *rec, size_t md_size)
{
#if defined(CBC_MAC_ROTATE_IN_PLACE)
unsigned char rotated_mac_buf[64 + EVP_MAX_MD_SIZE];
unsigned char *rotated_mac;
#else
unsigned char rotated_mac[EVP_MAX_MD_SIZE];
#endif
size_t mac_end = rec->length;
size_t mac_start = mac_end - md_size;
size_t in_mac;
size_t scan_start = 0;
size_t i, j;
size_t rotate_offset;
OPENSSL_assert(rec->orig_len >= md_size);
OPENSSL_assert(md_size <= EVP_MAX_MD_SIZE);
#if defined(CBC_MAC_ROTATE_IN_PLACE)
rotated_mac = rotated_mac_buf + ((0 - (size_t)rotated_mac_buf) & 63);
#endif
if (rec->orig_len > md_size + 255 + 1)
scan_start = rec->orig_len - (md_size + 255 + 1);
in_mac = 0;
rotate_offset = 0;
memset(rotated_mac, 0, md_size);
for (i = scan_start, j = 0; i < rec->orig_len; i++) {
size_t mac_started = constant_time_eq_s(i, mac_start);
size_t mac_ended = constant_time_lt_s(i, mac_end);
unsigned char b = rec->data[i];
in_mac |= mac_started;
in_mac &= mac_ended;
rotate_offset |= j & mac_started;
rotated_mac[j++] |= b & in_mac;
j &= constant_time_lt_s(j, md_size);
}
#if defined(CBC_MAC_ROTATE_IN_PLACE)
j = 0;
for (i = 0; i < md_size; i++) {
((volatile unsigned char *)rotated_mac)[rotate_offset ^ 32];
out[j++] = rotated_mac[rotate_offset++];
rotate_offset &= constant_time_lt_s(rotate_offset, md_size);
}
#else
memset(out, 0, md_size);
rotate_offset = md_size - rotate_offset;
rotate_offset &= constant_time_lt_s(rotate_offset, md_size);
for (i = 0; i < md_size; i++) {
for (j = 0; j < md_size; j++)
out[j] |= rotated_mac[i] & constant_time_eq_8_s(j, rotate_offset);
rotate_offset++;
rotate_offset &= constant_time_lt_s(rotate_offset, md_size);
}
#endif
} | https://github.com/openssl/openssl/blob/ffbaf06ade6dab6a0805a24087cf2e84c5db8d43/ssl/record/ssl3_record.c/#L1440 |
d2a_code_data_43126 | EVP_MD *EVP_MD_meth_dup(const EVP_MD *md)
{
EVP_MD *to = EVP_MD_meth_new(md->type, md->pkey_type);
if (md != NULL)
memcpy(to, md, sizeof(*to));
return to;
} | https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/crypto/evp/evp_lib.c/#L327 |
d2a_code_data_43127 | 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_43128 | 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/757264207ad8650a89ea903d48ad89f61d56ea9c/crypto/bn/bn_sqr.c/#L120 |
d2a_code_data_43129 | static av_always_inline int epzs_motion_search_internal(MpegEncContext * s, int *mx_ptr, int *my_ptr,
int P[10][2], int src_index, int ref_index, int16_t (*last_mv)[2],
int ref_mv_scale, int flags, int size, int h)
{
MotionEstContext * const c= &s->me;
int best[2]={0, 0};
int d;
int dmin;
int map_generation;
int penalty_factor;
const int ref_mv_stride= s->mb_stride;
const int ref_mv_xy= s->mb_x + s->mb_y*ref_mv_stride;
me_cmp_func cmpf, chroma_cmpf;
LOAD_COMMON
LOAD_COMMON2
if(c->pre_pass){
penalty_factor= c->pre_penalty_factor;
cmpf= s->dsp.me_pre_cmp[size];
chroma_cmpf= s->dsp.me_pre_cmp[size+1];
}else{
penalty_factor= c->penalty_factor;
cmpf= s->dsp.me_cmp[size];
chroma_cmpf= s->dsp.me_cmp[size+1];
}
map_generation= update_map_generation(c);
assert(cmpf);
dmin= cmp(s, 0, 0, 0, 0, size, h, ref_index, src_index, cmpf, chroma_cmpf, flags);
map[0]= map_generation;
score_map[0]= dmin;
if((s->pict_type == FF_B_TYPE && !(c->flags & FLAG_DIRECT)) || s->flags&CODEC_FLAG_MV0)
dmin += (mv_penalty[pred_x] + mv_penalty[pred_y])*penalty_factor;
if (s->first_slice_line) {
CHECK_MV(P_LEFT[0]>>shift, P_LEFT[1]>>shift)
CHECK_CLIPPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16)
}else{
if(dmin<((h*h*s->avctx->mv0_threshold)>>8)
&& ( P_LEFT[0] |P_LEFT[1]
|P_TOP[0] |P_TOP[1]
|P_TOPRIGHT[0]|P_TOPRIGHT[1])==0){
*mx_ptr= 0;
*my_ptr= 0;
c->skip=1;
return dmin;
}
CHECK_MV( P_MEDIAN[0] >>shift , P_MEDIAN[1] >>shift)
CHECK_CLIPPED_MV((P_MEDIAN[0]>>shift) , (P_MEDIAN[1]>>shift)-1)
CHECK_CLIPPED_MV((P_MEDIAN[0]>>shift) , (P_MEDIAN[1]>>shift)+1)
CHECK_CLIPPED_MV((P_MEDIAN[0]>>shift)-1, (P_MEDIAN[1]>>shift) )
CHECK_CLIPPED_MV((P_MEDIAN[0]>>shift)+1, (P_MEDIAN[1]>>shift) )
CHECK_CLIPPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16)
CHECK_MV(P_LEFT[0] >>shift, P_LEFT[1] >>shift)
CHECK_MV(P_TOP[0] >>shift, P_TOP[1] >>shift)
CHECK_MV(P_TOPRIGHT[0]>>shift, P_TOPRIGHT[1]>>shift)
}
if(dmin>h*h*4){
if(c->pre_pass){
CHECK_CLIPPED_MV((last_mv[ref_mv_xy-1][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy-1][1]*ref_mv_scale + (1<<15))>>16)
if(!s->first_slice_line)
CHECK_CLIPPED_MV((last_mv[ref_mv_xy-ref_mv_stride][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy-ref_mv_stride][1]*ref_mv_scale + (1<<15))>>16)
}else{
CHECK_CLIPPED_MV((last_mv[ref_mv_xy+1][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy+1][1]*ref_mv_scale + (1<<15))>>16)
if(s->mb_y+1<s->end_mb_y)
CHECK_CLIPPED_MV((last_mv[ref_mv_xy+ref_mv_stride][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy+ref_mv_stride][1]*ref_mv_scale + (1<<15))>>16)
}
}
if(c->avctx->last_predictor_count){
const int count= c->avctx->last_predictor_count;
const int xstart= FFMAX(0, s->mb_x - count);
const int ystart= FFMAX(0, s->mb_y - count);
const int xend= FFMIN(s->mb_width , s->mb_x + count + 1);
const int yend= FFMIN(s->mb_height, s->mb_y + count + 1);
int mb_y;
for(mb_y=ystart; mb_y<yend; mb_y++){
int mb_x;
for(mb_x=xstart; mb_x<xend; mb_x++){
const int xy= mb_x + 1 + (mb_y + 1)*ref_mv_stride;
int mx= (last_mv[xy][0]*ref_mv_scale + (1<<15))>>16;
int my= (last_mv[xy][1]*ref_mv_scale + (1<<15))>>16;
if(mx>xmax || mx<xmin || my>ymax || my<ymin) continue;
CHECK_MV(mx,my)
}
}
}
dmin= diamond_search(s, best, dmin, src_index, ref_index, penalty_factor, size, h, flags);
*mx_ptr= best[0];
*my_ptr= best[1];
return dmin;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/motion_est_template.c/#L1043 |
d2a_code_data_43130 | 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/7ff018c1cb43a5fe5ee2049d325cdd785852067a/libavcodec/bitstream.h/#L139 |
d2a_code_data_43131 | 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/630fe1da888490b7dfef3fe0928b813ddff5d51a/crypto/bn/bn_print.c/#L171 |
d2a_code_data_43132 | int ssl3_get_cert_verify(SSL *s)
{
EVP_PKEY *pkey=NULL;
unsigned char *p;
int al,ok,ret=0;
long n;
int type=0,i,j;
X509 *peer;
const EVP_MD *md = NULL;
EVP_MD_CTX mctx;
EVP_MD_CTX_init(&mctx);
n=s->method->ssl_get_message(s,
SSL3_ST_SR_CERT_VRFY_A,
SSL3_ST_SR_CERT_VRFY_B,
-1,
516,
&ok);
if (!ok) return((int)n);
if (s->session->peer != NULL)
{
peer=s->session->peer;
pkey=X509_get_pubkey(peer);
type=X509_certificate_type(peer,pkey);
}
else
{
peer=NULL;
pkey=NULL;
}
if (s->s3->tmp.message_type != SSL3_MT_CERTIFICATE_VERIFY)
{
s->s3->tmp.reuse_message=1;
if ((peer != NULL) && (type & EVP_PKT_SIGN))
{
al=SSL_AD_UNEXPECTED_MESSAGE;
SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_MISSING_VERIFY_MESSAGE);
goto f_err;
}
ret=1;
goto end;
}
if (peer == NULL)
{
SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_NO_CLIENT_CERT_RECEIVED);
al=SSL_AD_UNEXPECTED_MESSAGE;
goto f_err;
}
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 (s->s3->change_cipher_spec)
{
SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_CCS_RECEIVED_EARLY);
al=SSL_AD_UNEXPECTED_MESSAGE;
goto f_err;
}
p=(unsigned char *)s->init_msg;
if (n==64 && (pkey->type==NID_id_GostR3410_94 ||
pkey->type == NID_id_GostR3410_2001) )
{
i=64;
}
else
{
if (SSL_USE_SIGALGS(s))
{
int rv = tls12_check_peer_sigalg(&md, s, p, 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
p += 2;
n -= 2;
}
n2s(p,i);
n-=2;
if (i > n)
{
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 ((i > j) || (n > j) || (n <= 0))
{
SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_WRONG_SIGNATURE_SIZE);
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, p , i, 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, p, i,
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,p,i,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_ECDSA
if (pkey->type == EVP_PKEY_EC)
{
j=ECDSA_verify(pkey->save_type,
&(s->s3->tmp.cert_verify_md[MD5_DIGEST_LENGTH]),
SHA_DIGEST_LENGTH,p,i,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_94 || 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 (i!=64) {
fprintf(stderr,"GOST signature length is %d",i);
}
for (idx=0;idx<64;idx++) {
signature[63-idx]=p[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);
}
end:
if (s->s3->handshake_buffer)
{
BIO_free(s->s3->handshake_buffer);
s->s3->handshake_buffer = NULL;
s->s3->flags &= ~TLS1_FLAGS_KEEP_HANDSHAKE;
}
EVP_MD_CTX_cleanup(&mctx);
EVP_PKEY_free(pkey);
return(ret);
} | https://github.com/openssl/openssl/blob/cbb67448277232c8403f96edad4931c4203e7746/ssl/s3_srvr.c/#L3109 |
d2a_code_data_43133 | ngx_err_t
ngx_create_full_path(u_char *dir, ngx_uint_t access)
{
u_char *p, ch;
ngx_err_t err;
for (p = dir + 1; *p; p++) {
ch = *p;
if (ch != '/') {
continue;
}
*p = '\0';
if (ngx_create_dir(dir, access) == NGX_FILE_ERROR) {
err = ngx_errno;
if (err != NGX_EEXIST) {
return err;
}
}
*p = '/';
}
return 0;
} | https://github.com/nginx/nginx/blob/e4ecddfdb0d2ffc872658e36028971ad9a873726/src/core/ngx_file.c/#L191 |
d2a_code_data_43134 | static int update_index(CA_DB *db, char **row)
{
char **irow;
int i;
irow = app_malloc(sizeof(*irow) * (DB_NUMBER + 1), "row pointers");
for (i = 0; i < DB_NUMBER; i++) {
irow[i] = row[i];
row[i] = NULL;
}
irow[DB_NUMBER] = NULL;
if (!TXT_DB_insert(db->db, irow)) {
BIO_printf(bio_err, "failed to update srpvfile\n");
BIO_printf(bio_err, "TXT_DB error number %ld\n", db->db->error);
OPENSSL_free(irow);
return 0;
}
return 1;
} | https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/apps/srp.c/#L153 |
d2a_code_data_43135 | 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_43136 | EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash, const EVP_MD *md)
{
ssl_clear_hash_ctx(hash);
*hash = EVP_MD_CTX_new();
if (*hash == NULL || (md && EVP_DigestInit_ex(*hash, md, NULL) <= 0)) {
EVP_MD_CTX_free(*hash);
*hash = NULL;
return NULL;
}
return *hash;
} | https://github.com/openssl/openssl/blob/6457615ac82d688a965c9b2cce9611e0559635be/ssl/ssl_lib.c/#L3723 |
d2a_code_data_43137 | 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)
{
unsigned long alg_mkey, alg_auth, alg_enc, alg_mac, alg_ssl, algo_strength;
const char *l, *buf;
int j, multi, found, rule, retval, ok, buflen;
unsigned long 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;
alg_ssl = 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(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) &&
(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_EXP_MASK)
{
if (algo_strength & SSL_EXP_MASK)
{
algo_strength &= (ca_list[j]->algo_strength & SSL_EXP_MASK) | ~SSL_EXP_MASK;
if (!(algo_strength & SSL_EXP_MASK)) { found = 0; break; }
}
else
algo_strength |= ca_list[j]->algo_strength & SSL_EXP_MASK;
}
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]->valid)
{
cipher_id = ca_list[j]->id;
}
else
{
if (ca_list[j]->algorithm_ssl)
{
if (alg_ssl)
{
alg_ssl &= ca_list[j]->algorithm_ssl;
if (!alg_ssl) { found = 0; break; }
}
else
alg_ssl = ca_list[j]->algorithm_ssl;
}
}
if (!multi) break;
}
if (rule == CIPHER_SPECIAL)
{
ok = 0;
if ((buflen == 8) &&
!strncmp(buf, "STRENGTH", 8))
ok = ssl_cipher_strength_sort(head_p, tail_p);
else if (buflen == 10 && !strncmp(buf, "SECLEVEL=", 9))
{
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, alg_ssl, 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/dbb7654dc189992966ecd95ca66f7a3bb011ab9b/ssl/ssl_ciph.c/#L1357 |
d2a_code_data_43138 | 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_43139 | 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_43140 | 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/#L1075 |
d2a_code_data_43141 | void bn_sqr_normal(BN_ULONG *r, const BN_ULONG *a, int n, BN_ULONG *tmp)
{
int i, j, max;
const BN_ULONG *ap;
BN_ULONG *rp;
max = n * 2;
ap = a;
rp = r;
rp[0] = rp[max - 1] = 0;
rp++;
j = n;
if (--j > 0) {
ap++;
rp[j] = bn_mul_words(rp, ap, j, ap[-1]);
rp += 2;
}
for (i = n - 2; i > 0; i--) {
j--;
ap++;
rp[j] = bn_mul_add_words(rp, ap, j, ap[-1]);
rp += 2;
}
bn_add_words(r, r, r, max);
bn_sqr_words(tmp, a, n);
bn_add_words(r, r, tmp, max);
} | https://github.com/openssl/openssl/blob/4973a60cb92dc121fc09246bff3815afc0f8ab9a/crypto/bn/bn_sqr.c/#L119 |
d2a_code_data_43142 | static void opt_input_ts_scale(const char *arg)
{
unsigned int stream;
double scale;
char *p;
stream = strtol(arg, &p, 0);
if (*p)
p++;
scale= strtod(p, &p);
if(stream >= MAX_STREAMS)
ffmpeg_exit(1);
input_files_ts_scale[nb_input_files] = grow_array(input_files_ts_scale[nb_input_files], sizeof(*input_files_ts_scale[nb_input_files]), &nb_input_files_ts_scale[nb_input_files], stream + 1);
input_files_ts_scale[nb_input_files][stream]= scale;
} | https://github.com/libav/libav/blob/6465c820da7b104150366a8cdd837c00cf364235/ffmpeg.c/#L3086 |
d2a_code_data_43143 | 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_43144 | static ssize_t
ngx_http_validate_host(u_char *host, size_t len)
{
u_char ch;
size_t i, last;
ngx_uint_t dot;
last = len;
dot = 0;
for (i = 0; i < len; i++) {
ch = host[i];
if (ch == '.') {
if (dot) {
return -1;
}
dot = 1;
continue;
}
dot = 0;
if (ch == ':') {
last = i;
continue;
}
if (ch == '/' || ch == '\0') {
return -1;
}
#if (NGX_WIN32)
if (ch == '\\') {
return -1;
}
#endif
}
if (dot) {
last--;
}
return last;
} | https://github.com/nginx/nginx/blob/e4ecddfdb0d2ffc872658e36028971ad9a873726/src/http/ngx_http_request.c/#L1602 |
d2a_code_data_43145 | 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/3051bf2afab7ac8b7b9c64e68755d1addd2fb8ff/crypto/bn/bn_lib.c/#L232 |
d2a_code_data_43146 | static av_always_inline void encode_mb_internal(MpegEncContext *s, int motion_x, int motion_y, int mb_block_height, int mb_block_count)
{
int16_t weight[8][64];
DCTELEM orig[8][64];
const int mb_x= s->mb_x;
const int mb_y= s->mb_y;
int i;
int skip_dct[8];
int dct_offset = s->linesize*8;
uint8_t *ptr_y, *ptr_cb, *ptr_cr;
int wrap_y, wrap_c;
for(i=0; i<mb_block_count; i++) skip_dct[i]=s->skipdct;
if(s->adaptive_quant){
const int last_qp= s->qscale;
const int mb_xy= mb_x + mb_y*s->mb_stride;
s->lambda= s->lambda_table[mb_xy];
update_qscale(s);
if(!(s->flags&CODEC_FLAG_QP_RD)){
s->qscale= s->current_picture_ptr->qscale_table[mb_xy];
s->dquant= s->qscale - last_qp;
if(s->out_format==FMT_H263){
s->dquant= av_clip(s->dquant, -2, 2);
if(s->codec_id==CODEC_ID_MPEG4){
if(!s->mb_intra){
if(s->pict_type == FF_B_TYPE){
if(s->dquant&1 || s->mv_dir&MV_DIRECT)
s->dquant= 0;
}
if(s->mv_type==MV_TYPE_8X8)
s->dquant=0;
}
}
}
}
ff_set_qscale(s, last_qp + s->dquant);
}else if(s->flags&CODEC_FLAG_QP_RD)
ff_set_qscale(s, s->qscale + s->dquant);
wrap_y = s->linesize;
wrap_c = s->uvlinesize;
ptr_y = s->new_picture.data[0] + (mb_y * 16 * wrap_y) + mb_x * 16;
ptr_cb = s->new_picture.data[1] + (mb_y * mb_block_height * wrap_c) + mb_x * 8;
ptr_cr = s->new_picture.data[2] + (mb_y * mb_block_height * wrap_c) + mb_x * 8;
if(mb_x*16+16 > s->width || mb_y*16+16 > s->height){
uint8_t *ebuf= s->edge_emu_buffer + 32;
ff_emulated_edge_mc(ebuf , ptr_y , wrap_y,16,16,mb_x*16,mb_y*16, s->width , s->height);
ptr_y= ebuf;
ff_emulated_edge_mc(ebuf+18*wrap_y , ptr_cb, wrap_c, 8, mb_block_height, mb_x*8, mb_y*8, s->width>>1, s->height>>1);
ptr_cb= ebuf+18*wrap_y;
ff_emulated_edge_mc(ebuf+18*wrap_y+8, ptr_cr, wrap_c, 8, mb_block_height, mb_x*8, mb_y*8, s->width>>1, s->height>>1);
ptr_cr= ebuf+18*wrap_y+8;
}
if (s->mb_intra) {
if(s->flags&CODEC_FLAG_INTERLACED_DCT){
int progressive_score, interlaced_score;
s->interlaced_dct=0;
progressive_score= s->dsp.ildct_cmp[4](s, ptr_y , NULL, wrap_y, 8)
+s->dsp.ildct_cmp[4](s, ptr_y + wrap_y*8, NULL, wrap_y, 8) - 400;
if(progressive_score > 0){
interlaced_score = s->dsp.ildct_cmp[4](s, ptr_y , NULL, wrap_y*2, 8)
+s->dsp.ildct_cmp[4](s, ptr_y + wrap_y , NULL, wrap_y*2, 8);
if(progressive_score > interlaced_score){
s->interlaced_dct=1;
dct_offset= wrap_y;
wrap_y<<=1;
if (s->chroma_format == CHROMA_422)
wrap_c<<=1;
}
}
}
s->dsp.get_pixels(s->block[0], ptr_y , wrap_y);
s->dsp.get_pixels(s->block[1], ptr_y + 8, wrap_y);
s->dsp.get_pixels(s->block[2], ptr_y + dct_offset , wrap_y);
s->dsp.get_pixels(s->block[3], ptr_y + dct_offset + 8, wrap_y);
if(s->flags&CODEC_FLAG_GRAY){
skip_dct[4]= 1;
skip_dct[5]= 1;
}else{
s->dsp.get_pixels(s->block[4], ptr_cb, wrap_c);
s->dsp.get_pixels(s->block[5], ptr_cr, wrap_c);
if(!s->chroma_y_shift){
s->dsp.get_pixels(s->block[6], ptr_cb + (dct_offset>>1), wrap_c);
s->dsp.get_pixels(s->block[7], ptr_cr + (dct_offset>>1), wrap_c);
}
}
}else{
op_pixels_func (*op_pix)[4];
qpel_mc_func (*op_qpix)[16];
uint8_t *dest_y, *dest_cb, *dest_cr;
dest_y = s->dest[0];
dest_cb = s->dest[1];
dest_cr = s->dest[2];
if ((!s->no_rounding) || s->pict_type==FF_B_TYPE){
op_pix = s->dsp.put_pixels_tab;
op_qpix= s->dsp.put_qpel_pixels_tab;
}else{
op_pix = s->dsp.put_no_rnd_pixels_tab;
op_qpix= s->dsp.put_no_rnd_qpel_pixels_tab;
}
if (s->mv_dir & MV_DIR_FORWARD) {
MPV_motion(s, dest_y, dest_cb, dest_cr, 0, s->last_picture.data, op_pix, op_qpix);
op_pix = s->dsp.avg_pixels_tab;
op_qpix= s->dsp.avg_qpel_pixels_tab;
}
if (s->mv_dir & MV_DIR_BACKWARD) {
MPV_motion(s, dest_y, dest_cb, dest_cr, 1, s->next_picture.data, op_pix, op_qpix);
}
if(s->flags&CODEC_FLAG_INTERLACED_DCT){
int progressive_score, interlaced_score;
s->interlaced_dct=0;
progressive_score= s->dsp.ildct_cmp[0](s, dest_y , ptr_y , wrap_y, 8)
+s->dsp.ildct_cmp[0](s, dest_y + wrap_y*8, ptr_y + wrap_y*8, wrap_y, 8) - 400;
if(s->avctx->ildct_cmp == FF_CMP_VSSE) progressive_score -= 400;
if(progressive_score>0){
interlaced_score = s->dsp.ildct_cmp[0](s, dest_y , ptr_y , wrap_y*2, 8)
+s->dsp.ildct_cmp[0](s, dest_y + wrap_y , ptr_y + wrap_y , wrap_y*2, 8);
if(progressive_score > interlaced_score){
s->interlaced_dct=1;
dct_offset= wrap_y;
wrap_y<<=1;
if (s->chroma_format == CHROMA_422)
wrap_c<<=1;
}
}
}
s->dsp.diff_pixels(s->block[0], ptr_y , dest_y , wrap_y);
s->dsp.diff_pixels(s->block[1], ptr_y + 8, dest_y + 8, wrap_y);
s->dsp.diff_pixels(s->block[2], ptr_y + dct_offset , dest_y + dct_offset , wrap_y);
s->dsp.diff_pixels(s->block[3], ptr_y + dct_offset + 8, dest_y + dct_offset + 8, wrap_y);
if(s->flags&CODEC_FLAG_GRAY){
skip_dct[4]= 1;
skip_dct[5]= 1;
}else{
s->dsp.diff_pixels(s->block[4], ptr_cb, dest_cb, wrap_c);
s->dsp.diff_pixels(s->block[5], ptr_cr, dest_cr, wrap_c);
if(!s->chroma_y_shift){
s->dsp.diff_pixels(s->block[6], ptr_cb + (dct_offset>>1), dest_cb + (dct_offset>>1), wrap_c);
s->dsp.diff_pixels(s->block[7], ptr_cr + (dct_offset>>1), dest_cr + (dct_offset>>1), wrap_c);
}
}
if(s->current_picture.mc_mb_var[s->mb_stride*mb_y+ mb_x]<2*s->qscale*s->qscale){
if(s->dsp.sad[1](NULL, ptr_y , dest_y , wrap_y, 8) < 20*s->qscale) skip_dct[0]= 1;
if(s->dsp.sad[1](NULL, ptr_y + 8, dest_y + 8, wrap_y, 8) < 20*s->qscale) skip_dct[1]= 1;
if(s->dsp.sad[1](NULL, ptr_y +dct_offset , dest_y +dct_offset , wrap_y, 8) < 20*s->qscale) skip_dct[2]= 1;
if(s->dsp.sad[1](NULL, ptr_y +dct_offset+ 8, dest_y +dct_offset+ 8, wrap_y, 8) < 20*s->qscale) skip_dct[3]= 1;
if(s->dsp.sad[1](NULL, ptr_cb , dest_cb , wrap_c, 8) < 20*s->qscale) skip_dct[4]= 1;
if(s->dsp.sad[1](NULL, ptr_cr , dest_cr , wrap_c, 8) < 20*s->qscale) skip_dct[5]= 1;
if(!s->chroma_y_shift){
if(s->dsp.sad[1](NULL, ptr_cb +(dct_offset>>1), dest_cb +(dct_offset>>1), wrap_c, 8) < 20*s->qscale) skip_dct[6]= 1;
if(s->dsp.sad[1](NULL, ptr_cr +(dct_offset>>1), dest_cr +(dct_offset>>1), wrap_c, 8) < 20*s->qscale) skip_dct[7]= 1;
}
}
}
if(s->avctx->quantizer_noise_shaping){
if(!skip_dct[0]) get_visual_weight(weight[0], ptr_y , wrap_y);
if(!skip_dct[1]) get_visual_weight(weight[1], ptr_y + 8, wrap_y);
if(!skip_dct[2]) get_visual_weight(weight[2], ptr_y + dct_offset , wrap_y);
if(!skip_dct[3]) get_visual_weight(weight[3], ptr_y + dct_offset + 8, wrap_y);
if(!skip_dct[4]) get_visual_weight(weight[4], ptr_cb , wrap_c);
if(!skip_dct[5]) get_visual_weight(weight[5], ptr_cr , wrap_c);
if(!s->chroma_y_shift){
if(!skip_dct[6]) get_visual_weight(weight[6], ptr_cb + (dct_offset>>1), wrap_c);
if(!skip_dct[7]) get_visual_weight(weight[7], ptr_cr + (dct_offset>>1), wrap_c);
}
memcpy(orig[0], s->block[0], sizeof(DCTELEM)*64*mb_block_count);
}
assert(s->out_format!=FMT_MJPEG || s->qscale==8);
{
for(i=0;i<mb_block_count;i++) {
if(!skip_dct[i]){
int overflow;
s->block_last_index[i] = s->dct_quantize(s, s->block[i], i, s->qscale, &overflow);
if (overflow) clip_coeffs(s, s->block[i], s->block_last_index[i]);
}else
s->block_last_index[i]= -1;
}
if(s->avctx->quantizer_noise_shaping){
for(i=0;i<mb_block_count;i++) {
if(!skip_dct[i]){
s->block_last_index[i] = dct_quantize_refine(s, s->block[i], weight[i], orig[i], i, s->qscale);
}
}
}
if(s->luma_elim_threshold && !s->mb_intra)
for(i=0; i<4; i++)
dct_single_coeff_elimination(s, i, s->luma_elim_threshold);
if(s->chroma_elim_threshold && !s->mb_intra)
for(i=4; i<mb_block_count; i++)
dct_single_coeff_elimination(s, i, s->chroma_elim_threshold);
if(s->flags & CODEC_FLAG_CBP_RD){
for(i=0;i<mb_block_count;i++) {
if(s->block_last_index[i] == -1)
s->coded_score[i]= INT_MAX/256;
}
}
}
if((s->flags&CODEC_FLAG_GRAY) && s->mb_intra){
s->block_last_index[4]=
s->block_last_index[5]= 0;
s->block[4][0]=
s->block[5][0]= (1024 + s->c_dc_scale/2)/ s->c_dc_scale;
}
if(s->alternate_scan && s->dct_quantize != dct_quantize_c){
for(i=0; i<mb_block_count; i++){
int j;
if(s->block_last_index[i]>0){
for(j=63; j>0; j--){
if(s->block[i][ s->intra_scantable.permutated[j] ]) break;
}
s->block_last_index[i]= j;
}
}
}
switch(s->codec_id){
case CODEC_ID_MPEG1VIDEO:
case CODEC_ID_MPEG2VIDEO:
if (ENABLE_MPEG1VIDEO_ENCODER || ENABLE_MPEG2VIDEO_ENCODER)
mpeg1_encode_mb(s, s->block, motion_x, motion_y);
break;
case CODEC_ID_MPEG4:
if (ENABLE_MPEG4_ENCODER)
mpeg4_encode_mb(s, s->block, motion_x, motion_y);
break;
case CODEC_ID_MSMPEG4V2:
case CODEC_ID_MSMPEG4V3:
case CODEC_ID_WMV1:
if (ENABLE_MSMPEG4_ENCODER)
msmpeg4_encode_mb(s, s->block, motion_x, motion_y);
break;
case CODEC_ID_WMV2:
if (ENABLE_WMV2_ENCODER)
ff_wmv2_encode_mb(s, s->block, motion_x, motion_y);
break;
case CODEC_ID_H261:
if (ENABLE_H261_ENCODER)
ff_h261_encode_mb(s, s->block, motion_x, motion_y);
break;
case CODEC_ID_H263:
case CODEC_ID_H263P:
case CODEC_ID_FLV1:
case CODEC_ID_RV10:
case CODEC_ID_RV20:
if (ENABLE_H263_ENCODER || ENABLE_H263P_ENCODER ||
ENABLE_FLV_ENCODER || ENABLE_RV10_ENCODER || ENABLE_RV20_ENCODER)
h263_encode_mb(s, s->block, motion_x, motion_y);
break;
case CODEC_ID_MJPEG:
if (ENABLE_MJPEG_ENCODER)
ff_mjpeg_encode_mb(s, s->block);
break;
default:
assert(0);
}
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/mpegvideo_enc.c/#L1646 |
d2a_code_data_43147 | static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
{
OutputStream *ost;
AVStream *st = avformat_new_stream(oc, NULL);
int idx = oc->nb_streams - 1, ret = 0;
char *bsf = NULL, *next, *codec_tag = NULL;
AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
double qscale = -1;
char *buf = NULL, *arg = NULL, *preset = NULL;
AVIOContext *s = NULL;
if (!st) {
av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
exit_program(1);
}
if (oc->nb_streams - 1 < o->nb_streamid_map)
st->id = o->streamid_map[oc->nb_streams - 1];
output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
nb_output_streams + 1);
ost = &output_streams[nb_output_streams - 1];
ost->file_index = nb_output_files;
ost->index = idx;
ost->st = st;
st->codec->codec_type = type;
choose_encoder(o, oc, ost);
if (ost->enc) {
ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
}
avcodec_get_context_defaults3(st->codec, ost->enc);
st->codec->codec_type = type;
MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
do {
buf = get_line(s);
if (!buf[0] || buf[0] == '#') {
av_free(buf);
continue;
}
if (!(arg = strchr(buf, '='))) {
av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
exit_program(1);
}
*arg++ = 0;
av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE);
av_free(buf);
} while (!s->eof_reached);
avio_close(s);
}
if (ret) {
av_log(NULL, AV_LOG_FATAL,
"Preset %s specified for stream %d:%d, but could not be opened.\n",
preset, ost->file_index, ost->index);
exit_program(1);
}
ost->max_frames = INT64_MAX;
MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
while (bsf) {
if (next = strchr(bsf, ','))
*next++ = 0;
if (!(bsfc = av_bitstream_filter_init(bsf))) {
av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
exit_program(1);
}
if (bsfc_prev)
bsfc_prev->next = bsfc;
else
ost->bitstream_filters = bsfc;
bsfc_prev = bsfc;
bsf = next;
}
MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
if (codec_tag) {
uint32_t tag = strtol(codec_tag, &next, 0);
if (*next)
tag = AV_RL32(codec_tag);
st->codec->codec_tag = tag;
}
MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
if (qscale >= 0 || same_quant) {
st->codec->flags |= CODEC_FLAG_QSCALE;
st->codec->global_quality = FF_QP2LAMBDA * qscale;
}
if (oc->oformat->flags & AVFMT_GLOBALHEADER)
st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags);
return ost;
} | https://github.com/libav/libav/blob/4bf3c8f226252e18de8051fd0d417c1d39857b67/avconv.c/#L3238 |
d2a_code_data_43148 | 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_43149 | static int sign(X509 *x, EVP_PKEY *pkey, int days, int clrext, const EVP_MD *digest,
CONF *conf, char *section)
{
EVP_PKEY *pktmp;
pktmp = X509_get_pubkey(x);
EVP_PKEY_copy_parameters(pktmp,pkey);
EVP_PKEY_save_parameters(pktmp,1);
EVP_PKEY_free(pktmp);
if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err;
if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err;
if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
goto err;
if (!X509_set_pubkey(x,pkey)) goto err;
if (clrext)
{
while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
}
if (conf)
{
X509V3_CTX ctx;
X509_set_version(x,2);
X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);
X509V3_set_nconf(&ctx, conf);
if (!X509V3_EXT_add_nconf(conf, &ctx, section, x)) goto err;
}
if (!X509_sign(x,pkey,digest)) goto err;
return 1;
err:
ERR_print_errors(bio_err);
return 0;
} | https://github.com/openssl/openssl/blob/360ef6769e97f2918ae67a2909951eb8612043ee/apps/x509.c/#L1301 |
d2a_code_data_43150 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | https://github.com/openssl/openssl/blob/0282aeb690d63fab73a07191b63300a2fe30d212/crypto/bn/bn_ctx.c/#L273 |
d2a_code_data_43151 | static int flv_write_header(AVFormatContext *s)
{
ByteIOContext *pb = s->pb;
FLVContext *flv = s->priv_data;
int i, width, height, samplerate, samplesize, channels, audiocodecid, videocodecid;
double framerate = 0.0;
int metadata_size_pos, data_size;
flv->hasAudio = 0;
flv->hasVideo = 0;
for(i=0; i<s->nb_streams; i++){
AVCodecContext *enc = s->streams[i]->codec;
if (enc->codec_type == CODEC_TYPE_VIDEO) {
width = enc->width;
height = enc->height;
if (s->streams[i]->r_frame_rate.den && s->streams[i]->r_frame_rate.num) {
framerate = av_q2d(s->streams[i]->r_frame_rate);
} else {
framerate = 1/av_q2d(s->streams[i]->codec->time_base);
}
flv->hasVideo=1;
videocodecid = enc->codec_tag;
if(videocodecid == 0) {
av_log(enc, AV_LOG_ERROR, "video codec not compatible with flv\n");
return -1;
}
} else {
flv->hasAudio=1;
samplerate = enc->sample_rate;
channels = enc->channels;
audiocodecid = enc->codec_tag;
samplesize = (enc->codec_id == CODEC_ID_PCM_S8) ? 8 : 16;
if(get_audio_flags(enc)<0)
return -1;
}
av_set_pts_info(s->streams[i], 24, 1, 1000);
}
put_tag(pb,"FLV");
put_byte(pb,1);
put_byte(pb, FLV_HEADER_FLAG_HASAUDIO * flv->hasAudio
+ FLV_HEADER_FLAG_HASVIDEO * flv->hasVideo);
put_be32(pb,9);
put_be32(pb,0);
for(i=0; i<s->nb_streams; i++){
if(s->streams[i]->codec->codec_tag == 5){
put_byte(pb,8);
put_be24(pb,0);
put_be24(pb,0);
put_be32(pb,0);
put_be32(pb,11);
flv->reserved=5;
}
}
put_byte(pb, 18);
metadata_size_pos= url_ftell(pb);
put_be24(pb, 0);
put_be24(pb, 0);
put_be32(pb, 0);
put_byte(pb, AMF_DATA_TYPE_STRING);
put_amf_string(pb, "onMetaData");
put_byte(pb, AMF_DATA_TYPE_MIXEDARRAY);
put_be32(pb, 5*flv->hasVideo + 4*flv->hasAudio + 2);
put_amf_string(pb, "duration");
flv->duration_offset= url_ftell(pb);
put_amf_double(pb, 0);
if(flv->hasVideo){
put_amf_string(pb, "width");
put_amf_double(pb, width);
put_amf_string(pb, "height");
put_amf_double(pb, height);
put_amf_string(pb, "videodatarate");
put_amf_double(pb, s->bit_rate / 1024.0);
put_amf_string(pb, "framerate");
put_amf_double(pb, framerate);
put_amf_string(pb, "videocodecid");
put_amf_double(pb, videocodecid);
}
if(flv->hasAudio){
put_amf_string(pb, "audiosamplerate");
put_amf_double(pb, samplerate);
put_amf_string(pb, "audiosamplesize");
put_amf_double(pb, samplesize);
put_amf_string(pb, "stereo");
put_amf_bool(pb, (channels == 2));
put_amf_string(pb, "audiocodecid");
put_amf_double(pb, audiocodecid);
}
put_amf_string(pb, "filesize");
flv->filesize_offset= url_ftell(pb);
put_amf_double(pb, 0);
put_amf_string(pb, "");
put_byte(pb, AMF_END_OF_OBJECT);
data_size= url_ftell(pb) - metadata_size_pos - 10;
url_fseek(pb, metadata_size_pos, SEEK_SET);
put_be24(pb, data_size);
url_fseek(pb, data_size + 10 - 3, SEEK_CUR);
put_be32(pb, data_size + 11);
return 0;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavformat/flvenc.c/#L226 |
d2a_code_data_43152 | int ssl_security_cert_chain(SSL *s, STACK_OF(X509) *sk, X509 *x, int vfy)
{
int rv, start_idx, i;
if (x == NULL) {
x = sk_X509_value(sk, 0);
start_idx = 1;
} else
start_idx = 0;
rv = ssl_security_cert(s, NULL, x, vfy, 1);
if (rv != 1)
return rv;
for (i = start_idx; i < sk_X509_num(sk); i++) {
x = sk_X509_value(sk, i);
rv = ssl_security_cert(s, NULL, x, vfy, 0);
if (rv != 1)
return rv;
}
return 1;
} | https://github.com/openssl/openssl/blob/91056e72693b4ee8cb5339d9091871ffc3b6f776/ssl/t1_lib.c/#L4181 |
d2a_code_data_43153 | int ASN1_GENERALIZEDTIME_print(BIO *bp, const ASN1_GENERALIZEDTIME *tm)
{
char *v;
int gmt = 0;
int i;
int y = 0, M = 0, d = 0, h = 0, m = 0, s = 0;
char *f = NULL;
int f_len = 0;
i = tm->length;
v = (char *)tm->data;
if (i < 12)
goto err;
if (v[i - 1] == 'Z')
gmt = 1;
for (i = 0; i < 12; i++)
if ((v[i] > '9') || (v[i] < '0'))
goto err;
y = (v[0] - '0') * 1000 + (v[1] - '0') * 100
+ (v[2] - '0') * 10 + (v[3] - '0');
M = (v[4] - '0') * 10 + (v[5] - '0');
if ((M > 12) || (M < 1))
goto err;
d = (v[6] - '0') * 10 + (v[7] - '0');
h = (v[8] - '0') * 10 + (v[9] - '0');
m = (v[10] - '0') * 10 + (v[11] - '0');
if (tm->length >= 14 &&
(v[12] >= '0') && (v[12] <= '9') &&
(v[13] >= '0') && (v[13] <= '9')) {
s = (v[12] - '0') * 10 + (v[13] - '0');
if (tm->length >= 15 && v[14] == '.') {
int l = tm->length;
f = &v[14];
f_len = 1;
while (14 + f_len < l && f[f_len] >= '0' && f[f_len] <= '9')
++f_len;
}
}
if (BIO_printf(bp, "%s %2d %02d:%02d:%02d%.*s %d%s",
_asn1_mon[M - 1], d, h, m, s, f_len, f, y,
(gmt) ? " GMT" : "") <= 0)
return (0);
else
return (1);
err:
BIO_write(bp, "Bad time value", 14);
return (0);
} | https://github.com/openssl/openssl/blob/01b7851aa27aa144372f5484da916be042d9aa4f/crypto/asn1/a_gentm.c/#L308 |
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