id stringlengths 19 19 | content stringlengths 22 69.3k | max_stars_repo_path stringlengths 91 133 |
|---|---|---|
d2a_code_data_45754 | static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
{
BN_ULONG *a = NULL;
if (words > (INT_MAX / (4 * BN_BITS2))) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);
return NULL;
}
if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);
return NULL;
}
if (BN_get_flags(b, BN_FLG_SECURE))
a = OPENSSL_secure_zalloc(words * sizeof(*a));
else
a = OPENSSL_zalloc(words * sizeof(*a));
if (a == NULL) {
BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);
return NULL;
}
assert(b->top <= words);
if (b->top > 0)
memcpy(a, b->d, sizeof(*a) * b->top);
return a;
} | https://github.com/openssl/openssl/blob/18e1e302452e6dea4500b6f981cee7e151294dea/crypto/bn/bn_lib.c/#L232 |
d2a_code_data_45755 | 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_45756 | PKCS7_ISSUER_AND_SERIAL *PKCS7_get_issuer_and_serial(PKCS7 *p7, int idx)
{
STACK_OF(PKCS7_RECIP_INFO) *rsk;
PKCS7_RECIP_INFO *ri;
int i;
i=OBJ_obj2nid(p7->type);
if (i != NID_pkcs7_signedAndEnveloped) return(NULL);
rsk=p7->d.signed_and_enveloped->recipientinfo;
ri=sk_PKCS7_RECIP_INFO_value(rsk,0);
if (sk_PKCS7_RECIP_INFO_num(rsk) <= idx) return(NULL);
ri=sk_PKCS7_RECIP_INFO_value(rsk,idx);
return(ri->issuer_and_serial);
} | https://github.com/openssl/openssl/blob/ec5add8784a2ffacd3391daae7937e04225da9da/crypto/pkcs7/pk7_doit.c/#L796 |
d2a_code_data_45757 | static size_t kat_entropy(RAND_DRBG *drbg, unsigned char **pout,
int entropy, size_t min_len, size_t max_len,
int prediction_resistance)
{
TEST_CTX *t = (TEST_CTX *)RAND_DRBG_get_ex_data(drbg, app_data_index);
t->entropycnt++;
*pout = (unsigned char *)t->entropy;
return t->entropylen;
} | https://github.com/openssl/openssl/blob/8d4f150f70d70d6c3e62661ed7cc16c2f751d8a1/test/drbgtest.c/#L143 |
d2a_code_data_45758 | char *X509_NAME_oneline(const X509_NAME *a, char *buf, int len)
{
const X509_NAME_ENTRY *ne;
int i;
int n, lold, l, l1, l2, num, j, type;
const char *s;
char *p;
unsigned char *q;
BUF_MEM *b = NULL;
static const char hex[17] = "0123456789ABCDEF";
int gs_doit[4];
char tmp_buf[80];
#ifdef CHARSET_EBCDIC
unsigned char ebcdic_buf[1024];
#endif
if (buf == NULL) {
if ((b = BUF_MEM_new()) == NULL)
goto err;
if (!BUF_MEM_grow(b, 200))
goto err;
b->data[0] = '\0';
len = 200;
} else if (len == 0) {
return NULL;
}
if (a == NULL) {
if (b) {
buf = b->data;
OPENSSL_free(b);
}
strncpy(buf, "NO X509_NAME", len);
buf[len - 1] = '\0';
return buf;
}
len--;
l = 0;
for (i = 0; i < sk_X509_NAME_ENTRY_num(a->entries); i++) {
ne = sk_X509_NAME_ENTRY_value(a->entries, i);
n = OBJ_obj2nid(ne->object);
if ((n == NID_undef) || ((s = OBJ_nid2sn(n)) == NULL)) {
i2t_ASN1_OBJECT(tmp_buf, sizeof(tmp_buf), ne->object);
s = tmp_buf;
}
l1 = strlen(s);
type = ne->value->type;
num = ne->value->length;
if (num > NAME_ONELINE_MAX) {
X509err(X509_F_X509_NAME_ONELINE, X509_R_NAME_TOO_LONG);
goto end;
}
q = ne->value->data;
#ifdef CHARSET_EBCDIC
if (type == V_ASN1_GENERALSTRING ||
type == V_ASN1_VISIBLESTRING ||
type == V_ASN1_PRINTABLESTRING ||
type == V_ASN1_TELETEXSTRING ||
type == V_ASN1_IA5STRING) {
if (num > (int)sizeof(ebcdic_buf))
num = sizeof(ebcdic_buf);
ascii2ebcdic(ebcdic_buf, q, num);
q = ebcdic_buf;
}
#endif
if ((type == V_ASN1_GENERALSTRING) && ((num % 4) == 0)) {
gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 0;
for (j = 0; j < num; j++)
if (q[j] != 0)
gs_doit[j & 3] = 1;
if (gs_doit[0] | gs_doit[1] | gs_doit[2])
gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1;
else {
gs_doit[0] = gs_doit[1] = gs_doit[2] = 0;
gs_doit[3] = 1;
}
} else
gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1;
for (l2 = j = 0; j < num; j++) {
if (!gs_doit[j & 3])
continue;
l2++;
#ifndef CHARSET_EBCDIC
if ((q[j] < ' ') || (q[j] > '~'))
l2 += 3;
#else
if ((os_toascii[q[j]] < os_toascii[' ']) ||
(os_toascii[q[j]] > os_toascii['~']))
l2 += 3;
#endif
}
lold = l;
l += 1 + l1 + 1 + l2;
if (l > NAME_ONELINE_MAX) {
X509err(X509_F_X509_NAME_ONELINE, X509_R_NAME_TOO_LONG);
goto end;
}
if (b != NULL) {
if (!BUF_MEM_grow(b, l + 1))
goto err;
p = &(b->data[lold]);
} else if (l > len) {
break;
} else
p = &(buf[lold]);
*(p++) = '/';
memcpy(p, s, (unsigned int)l1);
p += l1;
*(p++) = '=';
#ifndef CHARSET_EBCDIC
q = ne->value->data;
#endif
for (j = 0; j < num; j++) {
if (!gs_doit[j & 3])
continue;
#ifndef CHARSET_EBCDIC
n = q[j];
if ((n < ' ') || (n > '~')) {
*(p++) = '\\';
*(p++) = 'x';
*(p++) = hex[(n >> 4) & 0x0f];
*(p++) = hex[n & 0x0f];
} else
*(p++) = n;
#else
n = os_toascii[q[j]];
if ((n < os_toascii[' ']) || (n > os_toascii['~'])) {
*(p++) = '\\';
*(p++) = 'x';
*(p++) = hex[(n >> 4) & 0x0f];
*(p++) = hex[n & 0x0f];
} else
*(p++) = q[j];
#endif
}
*p = '\0';
}
if (b != NULL) {
p = b->data;
OPENSSL_free(b);
} else
p = buf;
if (i == 0)
*p = '\0';
return (p);
err:
X509err(X509_F_X509_NAME_ONELINE, ERR_R_MALLOC_FAILURE);
end:
BUF_MEM_free(b);
return (NULL);
} | https://github.com/openssl/openssl/blob/645c694d85c8f48c74e7db8730ead874656c781e/crypto/x509/x509_obj.c/#L57 |
d2a_code_data_45759 | char *X509_NAME_oneline(X509_NAME *a, char *buf, int len)
{
X509_NAME_ENTRY *ne;
int i;
int n, lold, l, l1, l2, num, j, type;
const char *s;
char *p;
unsigned char *q;
BUF_MEM *b = NULL;
static const char hex[17] = "0123456789ABCDEF";
int gs_doit[4];
char tmp_buf[80];
#ifdef CHARSET_EBCDIC
unsigned char ebcdic_buf[1024];
#endif
if (buf == NULL) {
if ((b = BUF_MEM_new()) == NULL)
goto err;
if (!BUF_MEM_grow(b, 200))
goto err;
b->data[0] = '\0';
len = 200;
} else if (len == 0) {
return NULL;
}
if (a == NULL) {
if (b) {
buf = b->data;
OPENSSL_free(b);
}
strncpy(buf, "NO X509_NAME", len);
buf[len - 1] = '\0';
return buf;
}
len--;
l = 0;
for (i = 0; i < sk_X509_NAME_ENTRY_num(a->entries); i++) {
ne = sk_X509_NAME_ENTRY_value(a->entries, i);
n = OBJ_obj2nid(ne->object);
if ((n == NID_undef) || ((s = OBJ_nid2sn(n)) == NULL)) {
i2t_ASN1_OBJECT(tmp_buf, sizeof(tmp_buf), ne->object);
s = tmp_buf;
}
l1 = strlen(s);
type = ne->value->type;
num = ne->value->length;
if (num > NAME_ONELINE_MAX) {
X509err(X509_F_X509_NAME_ONELINE, X509_R_NAME_TOO_LONG);
goto end;
}
q = ne->value->data;
#ifdef CHARSET_EBCDIC
if (type == V_ASN1_GENERALSTRING ||
type == V_ASN1_VISIBLESTRING ||
type == V_ASN1_PRINTABLESTRING ||
type == V_ASN1_TELETEXSTRING ||
type == V_ASN1_VISIBLESTRING || type == V_ASN1_IA5STRING) {
ascii2ebcdic(ebcdic_buf, q, (num > (int)sizeof(ebcdic_buf))
? (int)sizeof(ebcdic_buf) : num);
q = ebcdic_buf;
}
#endif
if ((type == V_ASN1_GENERALSTRING) && ((num % 4) == 0)) {
gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 0;
for (j = 0; j < num; j++)
if (q[j] != 0)
gs_doit[j & 3] = 1;
if (gs_doit[0] | gs_doit[1] | gs_doit[2])
gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1;
else {
gs_doit[0] = gs_doit[1] = gs_doit[2] = 0;
gs_doit[3] = 1;
}
} else
gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1;
for (l2 = j = 0; j < num; j++) {
if (!gs_doit[j & 3])
continue;
l2++;
#ifndef CHARSET_EBCDIC
if ((q[j] < ' ') || (q[j] > '~'))
l2 += 3;
#else
if ((os_toascii[q[j]] < os_toascii[' ']) ||
(os_toascii[q[j]] > os_toascii['~']))
l2 += 3;
#endif
}
lold = l;
l += 1 + l1 + 1 + l2;
if (l > NAME_ONELINE_MAX) {
X509err(X509_F_X509_NAME_ONELINE, X509_R_NAME_TOO_LONG);
goto end;
}
if (b != NULL) {
if (!BUF_MEM_grow(b, l + 1))
goto err;
p = &(b->data[lold]);
} else if (l > len) {
break;
} else
p = &(buf[lold]);
*(p++) = '/';
memcpy(p, s, (unsigned int)l1);
p += l1;
*(p++) = '=';
#ifndef CHARSET_EBCDIC
q = ne->value->data;
#endif
for (j = 0; j < num; j++) {
if (!gs_doit[j & 3])
continue;
#ifndef CHARSET_EBCDIC
n = q[j];
if ((n < ' ') || (n > '~')) {
*(p++) = '\\';
*(p++) = 'x';
*(p++) = hex[(n >> 4) & 0x0f];
*(p++) = hex[n & 0x0f];
} else
*(p++) = n;
#else
n = os_toascii[q[j]];
if ((n < os_toascii[' ']) || (n > os_toascii['~'])) {
*(p++) = '\\';
*(p++) = 'x';
*(p++) = hex[(n >> 4) & 0x0f];
*(p++) = hex[n & 0x0f];
} else
*(p++) = q[j];
#endif
}
*p = '\0';
}
if (b != NULL) {
p = b->data;
OPENSSL_free(b);
} else
p = buf;
if (i == 0)
*p = '\0';
return (p);
err:
X509err(X509_F_X509_NAME_ONELINE, ERR_R_MALLOC_FAILURE);
end:
BUF_MEM_free(b);
return (NULL);
} | https://github.com/openssl/openssl/blob/24c2cd3967ed23acc0bd31a3781c4525e2e42a2c/crypto/x509/x509_obj.c/#L105 |
d2a_code_data_45760 | int WPACKET_allocate_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
{
assert(pkt->subs != NULL && len != 0);
if (pkt->subs == NULL || len == 0)
return 0;
if (pkt->maxsize - pkt->written < len)
return 0;
if (pkt->buf->length - pkt->written < len) {
size_t newlen;
if (pkt->buf->length > SIZE_MAX / 2) {
newlen = SIZE_MAX;
} else {
newlen = (pkt->buf->length == 0) ? DEFAULT_BUF_SIZE
: pkt->buf->length * 2;
}
if (BUF_MEM_grow(pkt->buf, newlen) == 0)
return 0;
}
*allocbytes = (unsigned char *)pkt->buf->data + pkt->curr;
pkt->written += len;
pkt->curr += len;
return 1;
} | https://github.com/openssl/openssl/blob/c0f9e23c6b8d1076796987d5a84557d410682d85/ssl/packet.c/#L25 |
d2a_code_data_45761 | int
TIFFMergeFieldInfo(TIFF* tif, const TIFFFieldInfo info[], uint32 n)
{
static const char module[] = "TIFFMergeFieldInfo";
static const char reason[] = "for fields array";
TIFFField *tp;
size_t nfields;
uint32 i;
if (tif->tif_nfieldscompat > 0) {
tif->tif_fieldscompat = (TIFFFieldArray *)
_TIFFCheckRealloc(tif, tif->tif_fieldscompat,
tif->tif_nfieldscompat + 1,
sizeof(TIFFFieldArray), reason);
} else {
tif->tif_fieldscompat = (TIFFFieldArray *)
_TIFFCheckMalloc(tif, 1, sizeof(TIFFFieldArray),
reason);
}
if (!tif->tif_fieldscompat) {
TIFFErrorExt(tif->tif_clientdata, module,
"Failed to allocate fields array");
return -1;
}
nfields = tif->tif_nfieldscompat++;
tif->tif_fieldscompat[nfields].type = tfiatOther;
tif->tif_fieldscompat[nfields].allocated_size = n;
tif->tif_fieldscompat[nfields].count = n;
tif->tif_fieldscompat[nfields].fields =
(TIFFField *)_TIFFCheckMalloc(tif, n, sizeof(TIFFField),
reason);
if (!tif->tif_fieldscompat[nfields].fields) {
TIFFErrorExt(tif->tif_clientdata, module,
"Failed to allocate fields array");
return -1;
}
tp = tif->tif_fieldscompat[nfields].fields;
for (i = 0; i < n; i++) {
tp->field_tag = info[i].field_tag;
tp->field_readcount = info[i].field_readcount;
tp->field_writecount = info[i].field_writecount;
tp->field_type = info[i].field_type;
tp->reserved = 0;
tp->set_field_type =
_TIFFSetGetType(info[i].field_type,
info[i].field_readcount,
info[i].field_passcount);
tp->get_field_type =
_TIFFSetGetType(info[i].field_type,
info[i].field_readcount,
info[i].field_passcount);
tp->field_bit = info[i].field_bit;
tp->field_oktochange = info[i].field_oktochange;
tp->field_passcount = info[i].field_passcount;
tp->field_name = info[i].field_name;
tp->field_subfields = NULL;
tp++;
}
if (!_TIFFMergeFields(tif, tif->tif_fieldscompat[nfields].fields, n)) {
TIFFErrorExt(tif->tif_clientdata, module,
"Setting up field info failed");
return -1;
}
return 0;
} | https://gitlab.com/libtiff/libtiff/blob/771a4ea0a98c7a218c9f3add9a05e08d29625758/libtiff/tif_dirinfo.c/#L837 |
d2a_code_data_45762 | int BN_lshift(BIGNUM *r, const BIGNUM *a, int n)
{
int i, nw, lb, rb;
BN_ULONG *t, *f;
BN_ULONG l;
bn_check_top(r);
bn_check_top(a);
if (n < 0) {
BNerr(BN_F_BN_LSHIFT, BN_R_INVALID_SHIFT);
return 0;
}
r->neg = a->neg;
nw = n / BN_BITS2;
if (bn_wexpand(r, a->top + nw + 1) == NULL)
return (0);
lb = n % BN_BITS2;
rb = BN_BITS2 - lb;
f = a->d;
t = r->d;
t[a->top + nw] = 0;
if (lb == 0)
for (i = a->top - 1; i >= 0; i--)
t[nw + i] = f[i];
else
for (i = a->top - 1; i >= 0; i--) {
l = f[i];
t[nw + i + 1] |= (l >> rb) & BN_MASK2;
t[nw + i] = (l << lb) & BN_MASK2;
}
memset(t, 0, sizeof(*t) * nw);
r->top = a->top + nw + 1;
bn_correct_top(r);
bn_check_top(r);
return (1);
} | https://github.com/openssl/openssl/blob/0282aeb690d63fab73a07191b63300a2fe30d212/crypto/bn/bn_shift.c/#L110 |
d2a_code_data_45763 | 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,
size_t 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);
size_t md_size, md_block_size = 64;
size_t 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;
size_t 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];
size_t i, j;
unsigned md_out_size_u;
EVP_MD_CTX *md_ctx = NULL;
size_t 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 = 0;
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) {
size_t 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_s(i, index_a);
unsigned char is_block_b = constant_time_eq_8_s(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_s(j, c);
is_past_cp1 = is_block_a & constant_time_ge_8_s(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;
}
md_ctx = EVP_MD_CTX_new();
if (md_ctx == NULL)
goto err;
if (EVP_DigestInit_ex(md_ctx, EVP_MD_CTX_md(ctx), 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_free(md_ctx);
return 1;
err:
EVP_MD_CTX_free(md_ctx);
return 0;
} | https://github.com/openssl/openssl/blob/6438632420cee9821409221ef6717edc5ee408c1/ssl/s3_cbc.c/#L375 |
d2a_code_data_45764 | static ossl_inline void packet_forward(PACKET *pkt, size_t len)
{
pkt->curr += len;
pkt->remaining -= len;
} | https://github.com/openssl/openssl/blob/424aa352458486d67e1e9cd3d3990dc06a60ba4a/ssl/packet_locl.h/#L36 |
d2a_code_data_45765 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | https://github.com/openssl/openssl/blob/4af793036f6ef4f0a1078e5d7155426a98d50e37/crypto/bn/bn_ctx.c/#L353 |
d2a_code_data_45766 | 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_45767 | void BN_CTX_end(BN_CTX *ctx)
{
if (ctx == NULL) return;
assert(ctx->depth > 0);
if (ctx->depth == 0)
BN_CTX_start(ctx);
ctx->too_many = 0;
ctx->depth--;
if (ctx->depth < BN_CTX_NUM_POS)
ctx->tos = ctx->pos[ctx->depth];
} | https://github.com/openssl/openssl/blob/ae1bb4e572e02ce73d54c05ce18e872c36da2d35/crypto/bn/bn_ctx.c/#L143 |
d2a_code_data_45768 | 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/2234212c3dde887e0b7fa08277d035cd132e2cce/crypto/bn/bn_lib.c/#L271 |
d2a_code_data_45769 | 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/1fb9fdc3027b27d8eb6a1e6a846435b070980770/crypto/lhash/lhash.c/#L123 |
d2a_code_data_45770 | 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_45771 | 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_45772 | 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/b48d4397b8ee4256f0b0a115eb99f27ae89995e0/crypto/bn/bn_shift.c/#L112 |
d2a_code_data_45773 | static int opt_metadata(const char *opt, const char *arg)
{
char *mid= strchr(arg, '=');
if(!mid){
fprintf(stderr, "Missing =\n");
ffmpeg_exit(1);
}
*mid++= 0;
av_metadata_set2(&metadata, arg, mid, 0);
return 0;
} | https://github.com/libav/libav/blob/d0005d347d0831c904630fe70408c9fd4eec18e8/ffmpeg.c/#L2803 |
d2a_code_data_45774 | static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
{
BN_ULONG *a = NULL;
if (words > (INT_MAX / (4 * BN_BITS2))) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);
return NULL;
}
if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);
return NULL;
}
if (BN_get_flags(b, BN_FLG_SECURE))
a = OPENSSL_secure_zalloc(words * sizeof(*a));
else
a = OPENSSL_zalloc(words * sizeof(*a));
if (a == NULL) {
BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);
return NULL;
}
assert(b->top <= words);
if (b->top > 0)
memcpy(a, b->d, sizeof(*a) * b->top);
return a;
} | https://github.com/openssl/openssl/blob/18e1e302452e6dea4500b6f981cee7e151294dea/crypto/bn/bn_lib.c/#L232 |
d2a_code_data_45775 | void RAND_seed(const void *buf, int num)
{
const RAND_METHOD *meth = RAND_get_rand_method();
if (meth->seed != NULL)
meth->seed(buf, num);
} | https://github.com/openssl/openssl/blob/e0b625f9db00509af9004b7907d44b78f332754a/crypto/rand/rand_lib.c/#L608 |
d2a_code_data_45776 | void curve448_scalar_halve(curve448_scalar_t out, const curve448_scalar_t a)
{
c448_word_t mask = 0 - (a->limb[0] & 1);
c448_dword_t chain = 0;
unsigned int i;
for (i = 0; i < C448_SCALAR_LIMBS; i++) {
chain = (chain + a->limb[i]) + (sc_p->limb[i] & mask);
out->limb[i] = (c448_word_t)chain;
chain >>= C448_WORD_BITS;
}
for (i = 0; i < C448_SCALAR_LIMBS - 1; i++)
out->limb[i] = out->limb[i] >> 1 | out->limb[i + 1] << (WBITS - 1);
out->limb[i] = out->limb[i] >> 1 | (c448_word_t)(chain << (WBITS - 1));
} | https://github.com/openssl/openssl/blob/0cdcdacc337005e08a906b2e07d4e44e3ee48138/crypto/ec/curve448/scalar.c/#L224 |
d2a_code_data_45777 | 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/#L1734 |
d2a_code_data_45778 | static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
{
BN_ULONG *a = NULL;
if (words > (INT_MAX / (4 * BN_BITS2))) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);
return NULL;
}
if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);
return NULL;
}
if (BN_get_flags(b, BN_FLG_SECURE))
a = OPENSSL_secure_zalloc(words * sizeof(*a));
else
a = OPENSSL_zalloc(words * sizeof(*a));
if (a == NULL) {
BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);
return NULL;
}
assert(b->top <= words);
if (b->top > 0)
memcpy(a, b->d, sizeof(*a) * b->top);
return a;
} | https://github.com/openssl/openssl/blob/bd01733fdd9a5a0acdc72cf5c6601d37e8ddd801/crypto/bn/bn_lib.c/#L232 |
d2a_code_data_45779 | static int var_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;
int dia_size;
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(dia_size=1; dia_size<=c->dia_size; dia_size++){
int dir, start, end;
const int x= best[0];
const int y= best[1];
start= FFMAX(0, y + dia_size - ymax);
end = FFMIN(dia_size, xmax - x + 1);
for(dir= start; dir<end; dir++){
int d;
CHECK_MV(x + dir , y + dia_size - dir);
}
start= FFMAX(0, x + dia_size - xmax);
end = FFMIN(dia_size, y - ymin + 1);
for(dir= start; dir<end; dir++){
int d;
CHECK_MV(x + dia_size - dir, y - dir );
}
start= FFMAX(0, -y + dia_size + ymin );
end = FFMIN(dia_size, x - xmin + 1);
for(dir= start; dir<end; dir++){
int d;
CHECK_MV(x - dir , y - dia_size + dir);
}
start= FFMAX(0, -x + dia_size + xmin );
end = FFMIN(dia_size, ymax - y + 1);
for(dir= start; dir<end; dir++){
int d;
CHECK_MV(x - dia_size + dir, y + dir );
}
if(x!=best[0] || y!=best[1])
dia_size=0;
#if 0
{
int dx, dy, i;
static int stats[8*8];
dx= FFABS(x-best[0]);
dy= FFABS(y-best[1]);
stats[dy*8 + dx] ++;
if(256*256*256*64 % (stats[0]+1)==0){
for(i=0; i<64; i++){
if((i&7)==0) printf("\n");
printf("%6d ", stats[i]);
}
printf("\n");
}
}
#endif
}
return dmin;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/motion_est_template.c/#L921 |
d2a_code_data_45780 | X509_OBJECT *X509_OBJECT_retrieve_match(STACK_OF(X509_OBJECT) *h,
X509_OBJECT *x)
{
int idx, i;
X509_OBJECT *obj;
idx = sk_X509_OBJECT_find(h, x);
if (idx == -1)
return NULL;
if ((x->type != X509_LU_X509) && (x->type != X509_LU_CRL))
return sk_X509_OBJECT_value(h, idx);
for (i = idx; i < sk_X509_OBJECT_num(h); i++) {
obj = sk_X509_OBJECT_value(h, i);
if (x509_object_cmp
((const X509_OBJECT **)&obj, (const X509_OBJECT **)&x))
return NULL;
if (x->type == X509_LU_X509) {
if (!X509_cmp(obj->data.x509, x->data.x509))
return obj;
} else if (x->type == X509_LU_CRL) {
if (!X509_CRL_match(obj->data.crl, x->data.crl))
return obj;
} else
return obj;
}
return NULL;
} | https://github.com/openssl/openssl/blob/f770d75b1cac264d6280ec7326277daff6965cbb/crypto/x509/x509_lu.c/#L565 |
d2a_code_data_45781 | 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_45782 | int BN_hex2bn(BIGNUM **bn, const char *a)
{
BIGNUM *ret = NULL;
BN_ULONG l = 0;
int neg = 0, h, m, i, j, k, c;
int num;
if (a == NULL || *a == '\0')
return 0;
if (*a == '-') {
neg = 1;
a++;
}
for (i = 0; i <= INT_MAX / 4 && ossl_isxdigit(a[i]); i++)
continue;
if (i == 0 || i > INT_MAX / 4)
goto err;
num = i + neg;
if (bn == NULL)
return num;
if (*bn == NULL) {
if ((ret = BN_new()) == NULL)
return 0;
} else {
ret = *bn;
BN_zero(ret);
}
if (bn_expand(ret, i * 4) == NULL)
goto err;
j = i;
m = 0;
h = 0;
while (j > 0) {
m = (BN_BYTES * 2 <= j) ? BN_BYTES * 2 : j;
l = 0;
for (;;) {
c = a[j - m];
k = OPENSSL_hexchar2int(c);
if (k < 0)
k = 0;
l = (l << 4) | k;
if (--m <= 0) {
ret->d[h++] = l;
break;
}
}
j -= BN_BYTES * 2;
}
ret->top = h;
bn_correct_top(ret);
*bn = ret;
bn_check_top(ret);
if (ret->top != 0)
ret->neg = neg;
return num;
err:
if (*bn == NULL)
BN_free(ret);
return 0;
} | https://github.com/openssl/openssl/blob/f91e026e38321d0c154f535ecd5af09e424e7f1b/crypto/bn/bn_print.c/#L141 |
d2a_code_data_45783 | static int on2avc_decode_subframe(On2AVCContext *c, const uint8_t *buf,
int buf_size, AVFrame *dst, int offset)
{
GetBitContext gb;
int i, ret;
init_get_bits(&gb, buf, buf_size * 8);
if (get_bits1(&gb)) {
av_log(c->avctx, AV_LOG_ERROR, "enh bit set\n");
return AVERROR_INVALIDDATA;
}
c->prev_window_type = c->window_type;
c->window_type = get_bits(&gb, 3);
if (c->window_type >= WINDOW_TYPE_EXT4 && c->avctx->channels == 1) {
av_log(c->avctx, AV_LOG_ERROR, "stereo mode window for mono audio\n");
return AVERROR_INVALIDDATA;
}
c->band_start = c->modes[c->window_type].band_start;
c->num_windows = c->modes[c->window_type].num_windows;
c->num_bands = c->modes[c->window_type].num_bands;
c->is_long = (c->window_type != WINDOW_TYPE_8SHORT);
c->grouping[0] = 1;
for (i = 1; i < c->num_windows; i++)
c->grouping[i] = !get_bits1(&gb);
on2avc_read_ms_info(c, &gb);
for (i = 0; i < c->avctx->channels; i++)
if ((ret = on2avc_read_channel_data(c, &gb, i)) < 0)
return AVERROR_INVALIDDATA;
if (c->avctx->channels == 2 && c->ms_present)
on2avc_apply_ms(c);
if (c->window_type < WINDOW_TYPE_EXT4) {
for (i = 0; i < c->avctx->channels; i++)
on2avc_reconstruct_channel(c, i, dst, offset);
} else {
on2avc_reconstruct_stereo(c, dst, offset);
}
return 0;
} | https://github.com/libav/libav/blob/77ab341c0c6cdf2bd437bb48d429e797d1e60da2/libavcodec/on2avc.c/#L799 |
d2a_code_data_45784 | char *X509_NAME_oneline(X509_NAME *a, char *buf, int len)
{
X509_NAME_ENTRY *ne;
int i;
int n, lold, l, l1, l2, num, j, type;
const char *s;
char *p;
unsigned char *q;
BUF_MEM *b = NULL;
static const char hex[17] = "0123456789ABCDEF";
int gs_doit[4];
char tmp_buf[80];
#ifdef CHARSET_EBCDIC
unsigned char ebcdic_buf[1024];
#endif
if (buf == NULL) {
if ((b = BUF_MEM_new()) == NULL)
goto err;
if (!BUF_MEM_grow(b, 200))
goto err;
b->data[0] = '\0';
len = 200;
} else if (len == 0) {
return NULL;
}
if (a == NULL) {
if (b) {
buf = b->data;
OPENSSL_free(b);
}
strncpy(buf, "NO X509_NAME", len);
buf[len - 1] = '\0';
return buf;
}
len--;
l = 0;
for (i = 0; i < sk_X509_NAME_ENTRY_num(a->entries); i++) {
ne = sk_X509_NAME_ENTRY_value(a->entries, i);
n = OBJ_obj2nid(ne->object);
if ((n == NID_undef) || ((s = OBJ_nid2sn(n)) == NULL)) {
i2t_ASN1_OBJECT(tmp_buf, sizeof(tmp_buf), ne->object);
s = tmp_buf;
}
l1 = strlen(s);
type = ne->value->type;
num = ne->value->length;
q = ne->value->data;
#ifdef CHARSET_EBCDIC
if (type == V_ASN1_GENERALSTRING ||
type == V_ASN1_VISIBLESTRING ||
type == V_ASN1_PRINTABLESTRING ||
type == V_ASN1_TELETEXSTRING ||
type == V_ASN1_VISIBLESTRING || type == V_ASN1_IA5STRING) {
ascii2ebcdic(ebcdic_buf, q, (num > (int)sizeof(ebcdic_buf))
? (int)sizeof(ebcdic_buf) : num);
q = ebcdic_buf;
}
#endif
if ((type == V_ASN1_GENERALSTRING) && ((num % 4) == 0)) {
gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 0;
for (j = 0; j < num; j++)
if (q[j] != 0)
gs_doit[j & 3] = 1;
if (gs_doit[0] | gs_doit[1] | gs_doit[2])
gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1;
else {
gs_doit[0] = gs_doit[1] = gs_doit[2] = 0;
gs_doit[3] = 1;
}
} else
gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1;
for (l2 = j = 0; j < num; j++) {
if (!gs_doit[j & 3])
continue;
l2++;
#ifndef CHARSET_EBCDIC
if ((q[j] < ' ') || (q[j] > '~'))
l2 += 3;
#else
if ((os_toascii[q[j]] < os_toascii[' ']) ||
(os_toascii[q[j]] > os_toascii['~']))
l2 += 3;
#endif
}
lold = l;
l += 1 + l1 + 1 + l2;
if (b != NULL) {
if (!BUF_MEM_grow(b, l + 1))
goto err;
p = &(b->data[lold]);
} else if (l > len) {
break;
} else
p = &(buf[lold]);
*(p++) = '/';
memcpy(p, s, (unsigned int)l1);
p += l1;
*(p++) = '=';
#ifndef CHARSET_EBCDIC
q = ne->value->data;
#endif
for (j = 0; j < num; j++) {
if (!gs_doit[j & 3])
continue;
#ifndef CHARSET_EBCDIC
n = q[j];
if ((n < ' ') || (n > '~')) {
*(p++) = '\\';
*(p++) = 'x';
*(p++) = hex[(n >> 4) & 0x0f];
*(p++) = hex[n & 0x0f];
} else
*(p++) = n;
#else
n = os_toascii[q[j]];
if ((n < os_toascii[' ']) || (n > os_toascii['~'])) {
*(p++) = '\\';
*(p++) = 'x';
*(p++) = hex[(n >> 4) & 0x0f];
*(p++) = hex[n & 0x0f];
} else
*(p++) = q[j];
#endif
}
*p = '\0';
}
if (b != NULL) {
p = b->data;
OPENSSL_free(b);
} else
p = buf;
if (i == 0)
*p = '\0';
return (p);
err:
X509err(X509_F_X509_NAME_ONELINE, ERR_R_MALLOC_FAILURE);
BUF_MEM_free(b);
return (NULL);
} | https://github.com/openssl/openssl/blob/b33d1141b6dcce947708b984c5e9e91dad3d675d/crypto/x509/x509_obj.c/#L97 |
d2a_code_data_45785 | static void opt_output_file(const char *filename)
{
AVFormatContext *oc;
int err, use_video, use_audio, use_subtitle;
int input_has_video, input_has_audio, input_has_subtitle;
AVFormatParameters params, *ap = ¶ms;
AVOutputFormat *file_oformat;
AVMetadataTag *tag = NULL;
if (!strcmp(filename, "-"))
filename = "pipe:";
oc = avformat_alloc_context();
if (!oc) {
print_error(filename, AVERROR(ENOMEM));
ffmpeg_exit(1);
}
if (last_asked_format) {
file_oformat = av_guess_format(last_asked_format, NULL, NULL);
if (!file_oformat) {
fprintf(stderr, "Requested output format '%s' is not a suitable output format\n", last_asked_format);
ffmpeg_exit(1);
}
last_asked_format = NULL;
} else {
file_oformat = av_guess_format(NULL, filename, NULL);
if (!file_oformat) {
fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
filename);
ffmpeg_exit(1);
}
}
oc->oformat = file_oformat;
av_strlcpy(oc->filename, filename, sizeof(oc->filename));
if (!strcmp(file_oformat->name, "ffm") &&
av_strstart(filename, "http:", NULL)) {
int err = read_ffserver_streams(oc, filename);
if (err < 0) {
print_error(filename, err);
ffmpeg_exit(1);
}
} else {
use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
if (nb_input_files > 0) {
check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
&input_has_subtitle);
if (!input_has_video)
use_video = 0;
if (!input_has_audio)
use_audio = 0;
if (!input_has_subtitle)
use_subtitle = 0;
}
if (audio_disable) use_audio = 0;
if (video_disable) use_video = 0;
if (subtitle_disable) use_subtitle = 0;
if (use_video) new_video_stream(oc, nb_output_files);
if (use_audio) new_audio_stream(oc, nb_output_files);
if (use_subtitle) new_subtitle_stream(oc, nb_output_files);
oc->timestamp = recording_timestamp;
while ((tag = av_metadata_get(metadata, "", tag, AV_METADATA_IGNORE_SUFFIX)))
av_metadata_set2(&oc->metadata, tag->key, tag->value, 0);
av_metadata_free(&metadata);
}
output_files[nb_output_files++] = oc;
if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
if (!av_filename_number_test(oc->filename)) {
print_error(oc->filename, AVERROR_NUMEXPECTED);
ffmpeg_exit(1);
}
}
if (!(oc->oformat->flags & AVFMT_NOFILE)) {
if (!file_overwrite &&
(strchr(filename, ':') == NULL ||
filename[1] == ':' ||
av_strstart(filename, "file:", NULL))) {
if (url_exist(filename)) {
if (!using_stdin) {
fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
fflush(stderr);
if (!read_yesno()) {
fprintf(stderr, "Not overwriting - exiting\n");
ffmpeg_exit(1);
}
}
else {
fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
ffmpeg_exit(1);
}
}
}
if ((err = url_fopen(&oc->pb, filename, URL_WRONLY)) < 0) {
print_error(filename, err);
ffmpeg_exit(1);
}
}
memset(ap, 0, sizeof(*ap));
if (av_set_parameters(oc, ap) < 0) {
fprintf(stderr, "%s: Invalid encoding parameters\n",
oc->filename);
ffmpeg_exit(1);
}
oc->preload= (int)(mux_preload*AV_TIME_BASE);
oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
oc->loop_output = loop_output;
oc->flags |= AVFMT_FLAG_NONBLOCK;
set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM, NULL);
nb_streamid_map = 0;
av_freep(&forced_key_frames);
} | https://github.com/libav/libav/blob/129983408d0d064db656742a3d3d4c038420f48c/ffmpeg.c/#L3700 |
d2a_code_data_45786 | STACK *SSL_dup_CA_list(STACK *sk)
{
int i;
STACK *ret;
X509_NAME *name;
ret=sk_new_null();
for (i=0; i<sk_num(sk); i++)
{
name=X509_NAME_dup((X509_NAME *)sk_value(sk,i));
if ((name == NULL) || !sk_push(ret,(char *)name))
{
sk_pop_free(ret,X509_NAME_free);
return(NULL);
}
}
return(ret);
} | https://github.com/openssl/openssl/blob/c1c96de01c5a9bd1b715f6968bf9972141c2ade6/ssl/ssl_cert.c/#L465 |
d2a_code_data_45787 | static void imdct36(int *out, int *buf, int *in, int *win)
{
int i, j, t0, t1, t2, t3, s0, s1, s2, s3;
int tmp[18], *tmp1, *in1;
for(i=17;i>=1;i--)
in[i] += in[i-1];
for(i=17;i>=3;i-=2)
in[i] += in[i-2];
for(j=0;j<2;j++) {
tmp1 = tmp + j;
in1 = in + j;
#if 0
int64_t t0, t1, t2, t3;
t2 = in1[2*4] + in1[2*8] - in1[2*2];
t3 = (in1[2*0] + (int64_t)(in1[2*6]>>1))<<32;
t1 = in1[2*0] - in1[2*6];
tmp1[ 6] = t1 - (t2>>1);
tmp1[16] = t1 + t2;
t0 = MUL64(2*(in1[2*2] + in1[2*4]), C2);
t1 = MUL64( in1[2*4] - in1[2*8] , -2*C8);
t2 = MUL64(2*(in1[2*2] + in1[2*8]), -C4);
tmp1[10] = (t3 - t0 - t2) >> 32;
tmp1[ 2] = (t3 + t0 + t1) >> 32;
tmp1[14] = (t3 + t2 - t1) >> 32;
tmp1[ 4] = MULH(2*(in1[2*5] + in1[2*7] - in1[2*1]), -C3);
t2 = MUL64(2*(in1[2*1] + in1[2*5]), C1);
t3 = MUL64( in1[2*5] - in1[2*7] , -2*C7);
t0 = MUL64(2*in1[2*3], C3);
t1 = MUL64(2*(in1[2*1] + in1[2*7]), -C5);
tmp1[ 0] = (t2 + t3 + t0) >> 32;
tmp1[12] = (t2 + t1 - t0) >> 32;
tmp1[ 8] = (t3 - t1 - t0) >> 32;
#else
t2 = in1[2*4] + in1[2*8] - in1[2*2];
t3 = in1[2*0] + (in1[2*6]>>1);
t1 = in1[2*0] - in1[2*6];
tmp1[ 6] = t1 - (t2>>1);
tmp1[16] = t1 + t2;
t0 = MULH(2*(in1[2*2] + in1[2*4]), C2);
t1 = MULH( in1[2*4] - in1[2*8] , -2*C8);
t2 = MULH(2*(in1[2*2] + in1[2*8]), -C4);
tmp1[10] = t3 - t0 - t2;
tmp1[ 2] = t3 + t0 + t1;
tmp1[14] = t3 + t2 - t1;
tmp1[ 4] = MULH(2*(in1[2*5] + in1[2*7] - in1[2*1]), -C3);
t2 = MULH(2*(in1[2*1] + in1[2*5]), C1);
t3 = MULH( in1[2*5] - in1[2*7] , -2*C7);
t0 = MULH(2*in1[2*3], C3);
t1 = MULH(2*(in1[2*1] + in1[2*7]), -C5);
tmp1[ 0] = t2 + t3 + t0;
tmp1[12] = t2 + t1 - t0;
tmp1[ 8] = t3 - t1 - t0;
#endif
}
i = 0;
for(j=0;j<4;j++) {
t0 = tmp[i];
t1 = tmp[i + 2];
s0 = t1 + t0;
s2 = t1 - t0;
t2 = tmp[i + 1];
t3 = tmp[i + 3];
s1 = MULH(2*(t3 + t2), icos36h[j]);
s3 = MULL(t3 - t2, icos36[8 - j]);
t0 = s0 + s1;
t1 = s0 - s1;
out[(9 + j)*SBLIMIT] = MULH(t1, win[9 + j]) + buf[9 + j];
out[(8 - j)*SBLIMIT] = MULH(t1, win[8 - j]) + buf[8 - j];
buf[9 + j] = MULH(t0, win[18 + 9 + j]);
buf[8 - j] = MULH(t0, win[18 + 8 - j]);
t0 = s2 + s3;
t1 = s2 - s3;
out[(9 + 8 - j)*SBLIMIT] = MULH(t1, win[9 + 8 - j]) + buf[9 + 8 - j];
out[( j)*SBLIMIT] = MULH(t1, win[ j]) + buf[ j];
buf[9 + 8 - j] = MULH(t0, win[18 + 9 + 8 - j]);
buf[ + j] = MULH(t0, win[18 + j]);
i += 4;
}
s0 = tmp[16];
s1 = MULH(2*tmp[17], icos36h[4]);
t0 = s0 + s1;
t1 = s0 - s1;
out[(9 + 4)*SBLIMIT] = MULH(t1, win[9 + 4]) + buf[9 + 4];
out[(8 - 4)*SBLIMIT] = MULH(t1, win[8 - 4]) + buf[8 - 4];
buf[9 + 4] = MULH(t0, win[18 + 9 + 4]);
buf[8 - 4] = MULH(t0, win[18 + 8 - 4]);
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/mpegaudiodec.c/#L1092 |
d2a_code_data_45788 | static size_t kat_nonce(RAND_DRBG *drbg, unsigned char **pout,
int entropy, size_t min_len, size_t max_len)
{
TEST_CTX *t = (TEST_CTX *)RAND_DRBG_get_ex_data(drbg, app_data_index);
t->noncecnt++;
*pout = (unsigned char *)t->nonce;
return t->noncelen;
} | https://github.com/openssl/openssl/blob/b44882a0bd0717e0aab84f5dc3ef81ab673155e9/test/drbgtest.c/#L150 |
d2a_code_data_45789 | 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",
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/c21869fb07ea02ffd46e817caeb47d85a85ee8ef/crypto/asn1/t_x509.c/#L393 |
d2a_code_data_45790 | 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/6438632420cee9821409221ef6717edc5ee408c1/ssl/packet.c/#L46 |
d2a_code_data_45791 | int ossl_ec_key_gen(EC_KEY *eckey)
{
int ok = 0;
BN_CTX *ctx = NULL;
BIGNUM *priv_key = NULL, *order = NULL;
EC_POINT *pub_key = NULL;
if ((order = BN_new()) == NULL)
goto err;
if ((ctx = BN_CTX_new()) == NULL)
goto err;
if (eckey->priv_key == NULL) {
priv_key = BN_new();
if (priv_key == NULL)
goto err;
} else
priv_key = eckey->priv_key;
if (!EC_GROUP_get_order(eckey->group, order, ctx))
goto err;
do
if (!BN_rand_range(priv_key, order))
goto err;
while (BN_is_zero(priv_key)) ;
if (eckey->pub_key == NULL) {
pub_key = EC_POINT_new(eckey->group);
if (pub_key == NULL)
goto err;
} else
pub_key = eckey->pub_key;
if (!EC_POINT_mul(eckey->group, pub_key, priv_key, NULL, NULL, ctx))
goto err;
eckey->priv_key = priv_key;
eckey->pub_key = pub_key;
ok = 1;
err:
BN_free(order);
if (eckey->pub_key == NULL)
EC_POINT_free(pub_key);
if (eckey->priv_key != priv_key)
BN_free(priv_key);
BN_CTX_free(ctx);
return (ok);
} | https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/crypto/ec/ec_key.c/#L296 |
d2a_code_data_45792 | static inline int encode_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_index= s->run_index;
int run_count=0;
int run_mode=0;
if(s->ac){
if(c->bytestream_end - c->bytestream < w*20){
av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
return -1;
}
}else{
if(s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb)>>3) < w*4){
av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
return -1;
}
}
for(x=0; x<w; x++){
int diff, context;
context= get_context(s, sample[0]+x, sample[1]+x, sample[2]+x);
diff= sample[0][x] - predict(sample[0]+x, sample[1]+x);
if(context < 0){
context = -context;
diff= -diff;
}
diff= fold(diff, bits);
if(s->ac){
put_symbol(c, p->state[context], diff, 1);
}else{
if(context == 0) run_mode=1;
if(run_mode){
if(diff){
while(run_count >= 1<<log2_run[run_index]){
run_count -= 1<<log2_run[run_index];
run_index++;
put_bits(&s->pb, 1, 1);
}
put_bits(&s->pb, 1 + log2_run[run_index], run_count);
if(run_index) run_index--;
run_count=0;
run_mode=0;
if(diff>0) diff--;
}else{
run_count++;
}
}
if(run_mode == 0)
put_vlc_symbol(&s->pb, &p->vlc_state[context], diff, bits);
}
}
if(run_mode){
while(run_count >= 1<<log2_run[run_index]){
run_count -= 1<<log2_run[run_index];
run_index++;
put_bits(&s->pb, 1, 1);
}
if(run_count)
put_bits(&s->pb, 1, 1);
}
s->run_index= run_index;
return 0;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/ffv1.c/#L382 |
d2a_code_data_45793 | void avformat_free_context(AVFormatContext *s)
{
int i;
AVStream *st;
av_opt_free(s);
if (s->iformat && s->iformat->priv_class && s->priv_data)
av_opt_free(s->priv_data);
for(i=0;i<s->nb_streams;i++) {
st = s->streams[i];
if (st->parser) {
av_parser_close(st->parser);
av_free_packet(&st->cur_pkt);
}
av_dict_free(&st->metadata);
av_free(st->index_entries);
av_free(st->codec->extradata);
av_free(st->codec->subtitle_header);
av_free(st->codec);
av_free(st->priv_data);
av_free(st->info);
av_free(st);
}
for(i=s->nb_programs-1; i>=0; i--) {
av_dict_free(&s->programs[i]->metadata);
av_freep(&s->programs[i]->stream_index);
av_freep(&s->programs[i]);
}
av_freep(&s->programs);
av_freep(&s->priv_data);
while(s->nb_chapters--) {
av_dict_free(&s->chapters[s->nb_chapters]->metadata);
av_free(s->chapters[s->nb_chapters]);
}
av_freep(&s->chapters);
av_dict_free(&s->metadata);
av_freep(&s->streams);
av_free(s);
} | https://github.com/libav/libav/blob/06d37fede4d36ea528ef69e4358a5775df016df0/libavformat/utils.c/#L2631 |
d2a_code_data_45794 | void BN_consttime_swap(BN_ULONG condition, BIGNUM *a, BIGNUM *b, int nwords)
{
BN_ULONG t;
int i;
bn_wcheck_size(a, nwords);
bn_wcheck_size(b, nwords);
assert(a != b);
assert((condition & (condition - 1)) == 0);
assert(sizeof(BN_ULONG) >= sizeof(int));
condition = ((condition - 1) >> (BN_BITS2 - 1)) - 1;
t = (a->top ^ b->top) & condition;
a->top ^= t;
b->top ^= t;
t = (a->neg ^ b->neg) & condition;
a->neg ^= t;
b->neg ^= t;
t = ((a->flags ^ b->flags) & BN_FLG_CONSTTIME) & condition;
a->flags ^= t;
b->flags ^= t;
#define BN_CONSTTIME_SWAP(ind) \
do { \
t = (a->d[ind] ^ b->d[ind]) & condition; \
a->d[ind] ^= t; \
b->d[ind] ^= t; \
} while (0)
switch (nwords) {
default:
for (i = 10; i < nwords; i++)
BN_CONSTTIME_SWAP(i);
case 10:
BN_CONSTTIME_SWAP(9);
case 9:
BN_CONSTTIME_SWAP(8);
case 8:
BN_CONSTTIME_SWAP(7);
case 7:
BN_CONSTTIME_SWAP(6);
case 6:
BN_CONSTTIME_SWAP(5);
case 5:
BN_CONSTTIME_SWAP(4);
case 4:
BN_CONSTTIME_SWAP(3);
case 3:
BN_CONSTTIME_SWAP(2);
case 2:
BN_CONSTTIME_SWAP(1);
case 1:
BN_CONSTTIME_SWAP(0);
}
#undef BN_CONSTTIME_SWAP
} | https://github.com/openssl/openssl/blob/51f3021d974f32539a2727908018664963695b5d/crypto/bn/bn_lib.c/#L746 |
d2a_code_data_45795 | static inline void MPV_motion(MpegEncContext *s,
uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
int dir, uint8_t **ref_picture,
op_pixels_func (*pix_op)[4], qpel_mc_func (*qpix_op)[16])
{
int dxy, mx, my, src_x, src_y, motion_x, motion_y;
int mb_x, mb_y, i;
uint8_t *ptr, *dest;
mb_x = s->mb_x;
mb_y = s->mb_y;
prefetch_motion(s, ref_picture, dir);
if(s->obmc && s->pict_type != FF_B_TYPE){
int16_t mv_cache[4][4][2];
const int xy= s->mb_x + s->mb_y*s->mb_stride;
const int mot_stride= s->b8_stride;
const int mot_xy= mb_x*2 + mb_y*2*mot_stride;
assert(!s->mb_skipped);
memcpy(mv_cache[1][1], s->current_picture.motion_val[0][mot_xy ], sizeof(int16_t)*4);
memcpy(mv_cache[2][1], s->current_picture.motion_val[0][mot_xy+mot_stride], sizeof(int16_t)*4);
memcpy(mv_cache[3][1], s->current_picture.motion_val[0][mot_xy+mot_stride], sizeof(int16_t)*4);
if(mb_y==0 || IS_INTRA(s->current_picture.mb_type[xy-s->mb_stride])){
memcpy(mv_cache[0][1], mv_cache[1][1], sizeof(int16_t)*4);
}else{
memcpy(mv_cache[0][1], s->current_picture.motion_val[0][mot_xy-mot_stride], sizeof(int16_t)*4);
}
if(mb_x==0 || IS_INTRA(s->current_picture.mb_type[xy-1])){
*(int32_t*)mv_cache[1][0]= *(int32_t*)mv_cache[1][1];
*(int32_t*)mv_cache[2][0]= *(int32_t*)mv_cache[2][1];
}else{
*(int32_t*)mv_cache[1][0]= *(int32_t*)s->current_picture.motion_val[0][mot_xy-1];
*(int32_t*)mv_cache[2][0]= *(int32_t*)s->current_picture.motion_val[0][mot_xy-1+mot_stride];
}
if(mb_x+1>=s->mb_width || IS_INTRA(s->current_picture.mb_type[xy+1])){
*(int32_t*)mv_cache[1][3]= *(int32_t*)mv_cache[1][2];
*(int32_t*)mv_cache[2][3]= *(int32_t*)mv_cache[2][2];
}else{
*(int32_t*)mv_cache[1][3]= *(int32_t*)s->current_picture.motion_val[0][mot_xy+2];
*(int32_t*)mv_cache[2][3]= *(int32_t*)s->current_picture.motion_val[0][mot_xy+2+mot_stride];
}
mx = 0;
my = 0;
for(i=0;i<4;i++) {
const int x= (i&1)+1;
const int y= (i>>1)+1;
int16_t mv[5][2]= {
{mv_cache[y][x ][0], mv_cache[y][x ][1]},
{mv_cache[y-1][x][0], mv_cache[y-1][x][1]},
{mv_cache[y][x-1][0], mv_cache[y][x-1][1]},
{mv_cache[y][x+1][0], mv_cache[y][x+1][1]},
{mv_cache[y+1][x][0], mv_cache[y+1][x][1]}};
obmc_motion(s, dest_y + ((i & 1) * 8) + (i >> 1) * 8 * s->linesize,
ref_picture[0],
mb_x * 16 + (i & 1) * 8, mb_y * 16 + (i >>1) * 8,
pix_op[1],
mv);
mx += mv[0][0];
my += mv[0][1];
}
if(!ENABLE_GRAY || !(s->flags&CODEC_FLAG_GRAY))
chroma_4mv_motion(s, dest_cb, dest_cr, ref_picture, pix_op[1], mx, my);
return;
}
switch(s->mv_type) {
case MV_TYPE_16X16:
if(s->mcsel){
if(s->real_sprite_warping_points==1){
gmc1_motion(s, dest_y, dest_cb, dest_cr,
ref_picture);
}else{
gmc_motion(s, dest_y, dest_cb, dest_cr,
ref_picture);
}
}else if(s->quarter_sample){
qpel_motion(s, dest_y, dest_cb, dest_cr,
0, 0, 0,
ref_picture, pix_op, qpix_op,
s->mv[dir][0][0], s->mv[dir][0][1], 16);
}else if(ENABLE_WMV2 && s->mspel){
ff_mspel_motion(s, dest_y, dest_cb, dest_cr,
ref_picture, pix_op,
s->mv[dir][0][0], s->mv[dir][0][1], 16);
}else
{
mpeg_motion(s, dest_y, dest_cb, dest_cr,
0, 0, 0,
ref_picture, pix_op,
s->mv[dir][0][0], s->mv[dir][0][1], 16);
}
break;
case MV_TYPE_8X8:
mx = 0;
my = 0;
if(s->quarter_sample){
for(i=0;i<4;i++) {
motion_x = s->mv[dir][i][0];
motion_y = s->mv[dir][i][1];
dxy = ((motion_y & 3) << 2) | (motion_x & 3);
src_x = mb_x * 16 + (motion_x >> 2) + (i & 1) * 8;
src_y = mb_y * 16 + (motion_y >> 2) + (i >>1) * 8;
src_x = av_clip(src_x, -16, s->width);
if (src_x == s->width)
dxy &= ~3;
src_y = av_clip(src_y, -16, s->height);
if (src_y == s->height)
dxy &= ~12;
ptr = ref_picture[0] + (src_y * s->linesize) + (src_x);
if(s->flags&CODEC_FLAG_EMU_EDGE){
if( (unsigned)src_x > s->h_edge_pos - (motion_x&3) - 8
|| (unsigned)src_y > s->v_edge_pos - (motion_y&3) - 8 ){
ff_emulated_edge_mc(s->edge_emu_buffer, ptr, s->linesize, 9, 9, src_x, src_y, s->h_edge_pos, s->v_edge_pos);
ptr= s->edge_emu_buffer;
}
}
dest = dest_y + ((i & 1) * 8) + (i >> 1) * 8 * s->linesize;
qpix_op[1][dxy](dest, ptr, s->linesize);
mx += s->mv[dir][i][0]/2;
my += s->mv[dir][i][1]/2;
}
}else{
for(i=0;i<4;i++) {
hpel_motion(s, dest_y + ((i & 1) * 8) + (i >> 1) * 8 * s->linesize,
ref_picture[0], 0, 0,
mb_x * 16 + (i & 1) * 8, mb_y * 16 + (i >>1) * 8,
s->width, s->height, s->linesize,
s->h_edge_pos, s->v_edge_pos,
8, 8, pix_op[1],
s->mv[dir][i][0], s->mv[dir][i][1]);
mx += s->mv[dir][i][0];
my += s->mv[dir][i][1];
}
}
if(!ENABLE_GRAY || !(s->flags&CODEC_FLAG_GRAY))
chroma_4mv_motion(s, dest_cb, dest_cr, ref_picture, pix_op[1], mx, my);
break;
case MV_TYPE_FIELD:
if (s->picture_structure == PICT_FRAME) {
if(s->quarter_sample){
for(i=0; i<2; i++){
qpel_motion(s, dest_y, dest_cb, dest_cr,
1, i, s->field_select[dir][i],
ref_picture, pix_op, qpix_op,
s->mv[dir][i][0], s->mv[dir][i][1], 8);
}
}else{
mpeg_motion(s, dest_y, dest_cb, dest_cr,
1, 0, s->field_select[dir][0],
ref_picture, pix_op,
s->mv[dir][0][0], s->mv[dir][0][1], 8);
mpeg_motion(s, dest_y, dest_cb, dest_cr,
1, 1, s->field_select[dir][1],
ref_picture, pix_op,
s->mv[dir][1][0], s->mv[dir][1][1], 8);
}
} else {
if(s->picture_structure != s->field_select[dir][0] + 1 && s->pict_type != FF_B_TYPE && !s->first_field){
ref_picture= s->current_picture_ptr->data;
}
mpeg_motion(s, dest_y, dest_cb, dest_cr,
0, 0, s->field_select[dir][0],
ref_picture, pix_op,
s->mv[dir][0][0], s->mv[dir][0][1], 16);
}
break;
case MV_TYPE_16X8:
for(i=0; i<2; i++){
uint8_t ** ref2picture;
if(s->picture_structure == s->field_select[dir][i] + 1 || s->pict_type == FF_B_TYPE || s->first_field){
ref2picture= ref_picture;
}else{
ref2picture= s->current_picture_ptr->data;
}
mpeg_motion(s, dest_y, dest_cb, dest_cr,
0, 0, s->field_select[dir][i],
ref2picture, pix_op,
s->mv[dir][i][0], s->mv[dir][i][1] + 16*i, 8);
dest_y += 16*s->linesize;
dest_cb+= (16>>s->chroma_y_shift)*s->uvlinesize;
dest_cr+= (16>>s->chroma_y_shift)*s->uvlinesize;
}
break;
case MV_TYPE_DMV:
if(s->picture_structure == PICT_FRAME){
for(i=0; i<2; i++){
int j;
for(j=0; j<2; j++){
mpeg_motion(s, dest_y, dest_cb, dest_cr,
1, j, j^i,
ref_picture, pix_op,
s->mv[dir][2*i + j][0], s->mv[dir][2*i + j][1], 8);
}
pix_op = s->dsp.avg_pixels_tab;
}
}else{
for(i=0; i<2; i++){
mpeg_motion(s, dest_y, dest_cb, dest_cr,
0, 0, s->picture_structure != i+1,
ref_picture, pix_op,
s->mv[dir][2*i][0],s->mv[dir][2*i][1],16);
pix_op=s->dsp.avg_pixels_tab;
if(!s->first_field){
ref_picture = s->current_picture_ptr->data;
}
}
}
break;
default: assert(0);
}
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/mpegvideo_common.h/#L619 |
d2a_code_data_45796 | 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/#L208 |
d2a_code_data_45797 | static int get_cert_chain(X509 *cert, X509_STORE *store,
STACK_OF(X509) **chain)
{
X509_STORE_CTX *store_ctx = NULL;
STACK_OF(X509) *chn = NULL;
int i = 0;
store_ctx = X509_STORE_CTX_new();
if (store_ctx == NULL) {
i = X509_V_ERR_UNSPECIFIED;
goto end;
}
if (!X509_STORE_CTX_init(store_ctx, store, cert, NULL)) {
i = X509_V_ERR_UNSPECIFIED;
goto end;
}
if (X509_verify_cert(store_ctx) > 0)
chn = X509_STORE_CTX_get1_chain(store_ctx);
else if ((i = X509_STORE_CTX_get_error(store_ctx)) == 0)
i = X509_V_ERR_UNSPECIFIED;
end:
X509_STORE_CTX_free(store_ctx);
*chain = chn;
return i;
} | https://github.com/openssl/openssl/blob/dab2cd68e7cc304c9b1a4e7cee18a98711771a53/apps/pkcs12.c/#L766 |
d2a_code_data_45798 | static int get_certificate_status(const char *serial, CA_DB *db)
{
char *row[DB_NUMBER], **rrow;
int ok = -1, i;
size_t serial_len = strlen(serial);
for (i = 0; i < DB_NUMBER; i++)
row[i] = NULL;
row[DB_serial] = app_malloc(serial_len + 2, "row serial#");
if (serial_len % 2) {
row[DB_serial][0] = '0';
memcpy(row[DB_serial] + 1, serial, serial_len);
row[DB_serial][serial_len + 1] = '\0';
} else {
memcpy(row[DB_serial], serial, serial_len);
row[DB_serial][serial_len] = '\0';
}
make_uppercase(row[DB_serial]);
ok = 1;
rrow = TXT_DB_get_by_index(db->db, DB_serial, row);
if (rrow == NULL) {
BIO_printf(bio_err, "Serial %s not present in db.\n", row[DB_serial]);
ok = -1;
goto end;
} else if (rrow[DB_type][0] == DB_TYPE_VAL) {
BIO_printf(bio_err, "%s=Valid (%c)\n",
row[DB_serial], rrow[DB_type][0]);
goto end;
} else if (rrow[DB_type][0] == DB_TYPE_REV) {
BIO_printf(bio_err, "%s=Revoked (%c)\n",
row[DB_serial], rrow[DB_type][0]);
goto end;
} else if (rrow[DB_type][0] == DB_TYPE_EXP) {
BIO_printf(bio_err, "%s=Expired (%c)\n",
row[DB_serial], rrow[DB_type][0]);
goto end;
} else if (rrow[DB_type][0] == DB_TYPE_SUSP) {
BIO_printf(bio_err, "%s=Suspended (%c)\n",
row[DB_serial], rrow[DB_type][0]);
goto end;
} else {
BIO_printf(bio_err, "%s=Unknown (%c).\n",
row[DB_serial], rrow[DB_type][0]);
ok = -1;
}
end:
for (i = 0; i < DB_NUMBER; i++) {
OPENSSL_free(row[i]);
}
return ok;
} | https://github.com/openssl/openssl/blob/ce506d27ab5e7d17dfe3fe649768a0d19b6c86ee/apps/ca.c/#L2174 |
d2a_code_data_45799 | int X509_TRUST_add(int id, int flags, int (*ck) (X509_TRUST *, X509 *, int),
const char *name, int arg1, void *arg2)
{
int idx;
X509_TRUST *trtmp;
flags &= ~X509_TRUST_DYNAMIC;
flags |= X509_TRUST_DYNAMIC_NAME;
idx = X509_TRUST_get_by_id(id);
if (idx == -1) {
if ((trtmp = OPENSSL_malloc(sizeof(*trtmp))) == NULL) {
X509err(X509_F_X509_TRUST_ADD, ERR_R_MALLOC_FAILURE);
return 0;
}
trtmp->flags = X509_TRUST_DYNAMIC;
} else
trtmp = X509_TRUST_get0(idx);
if (trtmp->flags & X509_TRUST_DYNAMIC_NAME)
OPENSSL_free(trtmp->name);
if ((trtmp->name = OPENSSL_strdup(name)) == NULL) {
X509err(X509_F_X509_TRUST_ADD, ERR_R_MALLOC_FAILURE);
goto err;
}
trtmp->flags &= X509_TRUST_DYNAMIC;
trtmp->flags |= flags;
trtmp->trust = id;
trtmp->check_trust = ck;
trtmp->arg1 = arg1;
trtmp->arg2 = arg2;
if (idx == -1) {
if (trtable == NULL
&& (trtable = sk_X509_TRUST_new(tr_cmp)) == NULL) {
X509err(X509_F_X509_TRUST_ADD, ERR_R_MALLOC_FAILURE);
goto err;;
}
if (!sk_X509_TRUST_push(trtable, trtmp)) {
X509err(X509_F_X509_TRUST_ADD, ERR_R_MALLOC_FAILURE);
goto err;
}
}
return 1;
err:
if (idx == -1) {
OPENSSL_free(trtmp->name);
OPENSSL_free(trtmp);
}
return 0;
} | https://github.com/openssl/openssl/blob/2dbfa8444bdf7669a54006c4a83d1e60ba374528/crypto/x509/x509_trs.c/#L146 |
d2a_code_data_45800 | 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/#L293 |
d2a_code_data_45801 | static void float_to_fixed24_c(int32_t *dst, const float *src, unsigned int len)
{
const float scale = 1 << 24;
do {
*dst++ = lrintf(*src++ * scale);
*dst++ = lrintf(*src++ * scale);
*dst++ = lrintf(*src++ * scale);
*dst++ = lrintf(*src++ * scale);
*dst++ = lrintf(*src++ * scale);
*dst++ = lrintf(*src++ * scale);
*dst++ = lrintf(*src++ * scale);
*dst++ = lrintf(*src++ * scale);
len -= 8;
} while (len > 0);
} | https://github.com/libav/libav/blob/350785a6621529c50771f4e7043b4d159a96ed26/libavcodec/ac3dsp.c/#L100 |
d2a_code_data_45802 | int dtls1_connect(SSL *s)
{
BUF_MEM *buf=NULL;
unsigned long Time=(unsigned long)time(NULL);
long num1;
void (*cb)(const SSL *ssl,int type,int val)=NULL;
int ret= -1;
int new_state,state,skip=0;;
RAND_add(&Time,sizeof(Time),0);
ERR_clear_error();
clear_sys_error();
if (s->info_callback != NULL)
cb=s->info_callback;
else if (s->ctx->info_callback != NULL)
cb=s->ctx->info_callback;
s->in_handshake++;
if (!SSL_in_init(s) || SSL_in_before(s)) SSL_clear(s);
for (;;)
{
state=s->state;
switch(s->state)
{
case SSL_ST_RENEGOTIATE:
s->new_session=1;
s->state=SSL_ST_CONNECT;
s->ctx->stats.sess_connect_renegotiate++;
case SSL_ST_BEFORE:
case SSL_ST_CONNECT:
case SSL_ST_BEFORE|SSL_ST_CONNECT:
case SSL_ST_OK|SSL_ST_CONNECT:
s->server=0;
if (cb != NULL) cb(s,SSL_CB_HANDSHAKE_START,1);
if ((s->version & 0xff00 ) != (DTLS1_VERSION & 0xff00) &&
(s->version & 0xff00 ) != (DTLS1_BAD_VER & 0xff00))
{
SSLerr(SSL_F_DTLS1_CONNECT, ERR_R_INTERNAL_ERROR);
ret = -1;
goto end;
}
s->type=SSL_ST_CONNECT;
if (s->init_buf == NULL)
{
if ((buf=BUF_MEM_new()) == NULL)
{
ret= -1;
goto end;
}
if (!BUF_MEM_grow(buf,SSL3_RT_MAX_PLAIN_LENGTH))
{
ret= -1;
goto end;
}
s->init_buf=buf;
buf=NULL;
}
if (!ssl3_setup_buffers(s)) { ret= -1; goto end; }
if (!ssl_init_wbio_buffer(s,0)) { ret= -1; goto end; }
s->state=SSL3_ST_CW_CLNT_HELLO_A;
s->ctx->stats.sess_connect++;
s->init_num=0;
memset(s->s3->client_random,0,sizeof(s->s3->client_random));
s->d1->send_cookie = 0;
s->hit = 0;
break;
case SSL3_ST_CW_CLNT_HELLO_A:
case SSL3_ST_CW_CLNT_HELLO_B:
s->shutdown=0;
ssl3_init_finished_mac(s);
dtls1_start_timer(s);
ret=dtls1_client_hello(s);
if (ret <= 0) goto end;
if ( s->d1->send_cookie)
{
s->state=SSL3_ST_CW_FLUSH;
s->s3->tmp.next_state=SSL3_ST_CR_SRVR_HELLO_A;
}
else
s->state=SSL3_ST_CR_SRVR_HELLO_A;
s->init_num=0;
if (s->bbio != s->wbio)
s->wbio=BIO_push(s->bbio,s->wbio);
break;
case SSL3_ST_CR_SRVR_HELLO_A:
case SSL3_ST_CR_SRVR_HELLO_B:
ret=ssl3_get_server_hello(s);
if (ret <= 0) goto end;
else
{
dtls1_stop_timer(s);
if (s->hit)
s->state=SSL3_ST_CR_FINISHED_A;
else
s->state=DTLS1_ST_CR_HELLO_VERIFY_REQUEST_A;
}
s->init_num=0;
break;
case DTLS1_ST_CR_HELLO_VERIFY_REQUEST_A:
case DTLS1_ST_CR_HELLO_VERIFY_REQUEST_B:
ret = dtls1_get_hello_verify(s);
if ( ret <= 0)
goto end;
dtls1_stop_timer(s);
if ( s->d1->send_cookie)
s->state=SSL3_ST_CW_CLNT_HELLO_A;
else
s->state = SSL3_ST_CR_CERT_A;
s->init_num = 0;
break;
case SSL3_ST_CR_CERT_A:
case SSL3_ST_CR_CERT_B:
if (!(s->s3->tmp.new_cipher->algorithm_auth & SSL_aNULL) &&
!(s->s3->tmp.new_cipher->algorithm_mkey & SSL_kPSK))
{
ret=ssl3_get_server_certificate(s);
if (ret <= 0) goto end;
}
else
skip=1;
s->state=SSL3_ST_CR_KEY_EXCH_A;
s->init_num=0;
break;
case SSL3_ST_CR_KEY_EXCH_A:
case SSL3_ST_CR_KEY_EXCH_B:
ret=ssl3_get_key_exchange(s);
if (ret <= 0) goto end;
s->state=SSL3_ST_CR_CERT_REQ_A;
s->init_num=0;
if (!ssl3_check_cert_and_algorithm(s))
{
ret= -1;
goto end;
}
break;
case SSL3_ST_CR_CERT_REQ_A:
case SSL3_ST_CR_CERT_REQ_B:
ret=ssl3_get_certificate_request(s);
if (ret <= 0) goto end;
s->state=SSL3_ST_CR_SRVR_DONE_A;
s->init_num=0;
break;
case SSL3_ST_CR_SRVR_DONE_A:
case SSL3_ST_CR_SRVR_DONE_B:
ret=ssl3_get_server_done(s);
if (ret <= 0) goto end;
if (s->s3->tmp.cert_req)
s->state=SSL3_ST_CW_CERT_A;
else
s->state=SSL3_ST_CW_KEY_EXCH_A;
s->init_num=0;
break;
case SSL3_ST_CW_CERT_A:
case SSL3_ST_CW_CERT_B:
case SSL3_ST_CW_CERT_C:
case SSL3_ST_CW_CERT_D:
dtls1_start_timer(s);
ret=dtls1_send_client_certificate(s);
if (ret <= 0) goto end;
s->state=SSL3_ST_CW_KEY_EXCH_A;
s->init_num=0;
break;
case SSL3_ST_CW_KEY_EXCH_A:
case SSL3_ST_CW_KEY_EXCH_B:
dtls1_start_timer(s);
ret=dtls1_send_client_key_exchange(s);
if (ret <= 0) goto end;
if (s->s3->tmp.cert_req == 1)
{
s->state=SSL3_ST_CW_CERT_VRFY_A;
}
else
{
s->state=SSL3_ST_CW_CHANGE_A;
s->s3->change_cipher_spec=0;
}
s->init_num=0;
break;
case SSL3_ST_CW_CERT_VRFY_A:
case SSL3_ST_CW_CERT_VRFY_B:
dtls1_start_timer(s);
ret=dtls1_send_client_verify(s);
if (ret <= 0) goto end;
s->state=SSL3_ST_CW_CHANGE_A;
s->init_num=0;
s->s3->change_cipher_spec=0;
break;
case SSL3_ST_CW_CHANGE_A:
case SSL3_ST_CW_CHANGE_B:
dtls1_start_timer(s);
ret=dtls1_send_change_cipher_spec(s,
SSL3_ST_CW_CHANGE_A,SSL3_ST_CW_CHANGE_B);
if (ret <= 0) goto end;
s->state=SSL3_ST_CW_FINISHED_A;
s->init_num=0;
s->session->cipher=s->s3->tmp.new_cipher;
#ifdef OPENSSL_NO_COMP
s->session->compress_meth=0;
#else
if (s->s3->tmp.new_compression == NULL)
s->session->compress_meth=0;
else
s->session->compress_meth=
s->s3->tmp.new_compression->id;
#endif
if (!s->method->ssl3_enc->setup_key_block(s))
{
ret= -1;
goto end;
}
if (!s->method->ssl3_enc->change_cipher_state(s,
SSL3_CHANGE_CIPHER_CLIENT_WRITE))
{
ret= -1;
goto end;
}
dtls1_reset_seq_numbers(s, SSL3_CC_WRITE);
break;
case SSL3_ST_CW_FINISHED_A:
case SSL3_ST_CW_FINISHED_B:
dtls1_start_timer(s);
ret=dtls1_send_finished(s,
SSL3_ST_CW_FINISHED_A,SSL3_ST_CW_FINISHED_B,
s->method->ssl3_enc->client_finished_label,
s->method->ssl3_enc->client_finished_label_len);
if (ret <= 0) goto end;
s->state=SSL3_ST_CW_FLUSH;
s->s3->flags&= ~SSL3_FLAGS_POP_BUFFER;
if (s->hit)
{
s->s3->tmp.next_state=SSL_ST_OK;
if (s->s3->flags & SSL3_FLAGS_DELAY_CLIENT_FINISHED)
{
s->state=SSL_ST_OK;
s->s3->flags|=SSL3_FLAGS_POP_BUFFER;
s->s3->delay_buf_pop_ret=0;
}
}
else
{
s->s3->tmp.next_state=SSL3_ST_CR_FINISHED_A;
}
s->init_num=0;
break;
case SSL3_ST_CR_FINISHED_A:
case SSL3_ST_CR_FINISHED_B:
s->d1->change_cipher_spec_ok = 1;
ret=ssl3_get_finished(s,SSL3_ST_CR_FINISHED_A,
SSL3_ST_CR_FINISHED_B);
if (ret <= 0) goto end;
dtls1_stop_timer(s);
if (s->hit)
s->state=SSL3_ST_CW_CHANGE_A;
else
s->state=SSL_ST_OK;
s->init_num=0;
break;
case SSL3_ST_CW_FLUSH:
num1=BIO_ctrl(s->wbio,BIO_CTRL_INFO,0,NULL);
if (num1 > 0)
{
s->rwstate=SSL_WRITING;
num1=BIO_flush(s->wbio);
if (num1 <= 0) { ret= -1; goto end; }
s->rwstate=SSL_NOTHING;
}
s->state=s->s3->tmp.next_state;
break;
case SSL_ST_OK:
ssl3_cleanup_key_block(s);
#if 0
if (s->init_buf != NULL)
{
BUF_MEM_free(s->init_buf);
s->init_buf=NULL;
}
#endif
if (!(s->s3->flags & SSL3_FLAGS_POP_BUFFER))
ssl_free_wbio_buffer(s);
s->init_num=0;
s->new_session=0;
ssl_update_cache(s,SSL_SESS_CACHE_CLIENT);
if (s->hit) s->ctx->stats.sess_hit++;
ret=1;
s->handshake_func=dtls1_connect;
s->ctx->stats.sess_connect_good++;
if (cb != NULL) cb(s,SSL_CB_HANDSHAKE_DONE,1);
s->d1->handshake_read_seq = 0;
s->d1->next_handshake_write_seq = 0;
goto end;
default:
SSLerr(SSL_F_DTLS1_CONNECT,SSL_R_UNKNOWN_STATE);
ret= -1;
goto end;
}
if (!s->s3->tmp.reuse_message && !skip)
{
if (s->debug)
{
if ((ret=BIO_flush(s->wbio)) <= 0)
goto end;
}
if ((cb != NULL) && (s->state != state))
{
new_state=s->state;
s->state=state;
cb(s,SSL_CB_CONNECT_LOOP,1);
s->state=new_state;
}
}
skip=0;
}
end:
s->in_handshake--;
if (buf != NULL)
BUF_MEM_free(buf);
if (cb != NULL)
cb(s,SSL_CB_CONNECT_EXIT,ret);
return(ret);
} | https://github.com/openssl/openssl/blob/e075341d66cf35527b37e449a39de9b68cee6bcb/ssl/d1_clnt.c/#L225 |
d2a_code_data_45803 | static ASN1_STRING *bn_to_asn1_string(const BIGNUM *bn, ASN1_STRING *ai,
int atype)
{
ASN1_INTEGER *ret;
int len;
if (ai == NULL) {
ret = ASN1_STRING_type_new(atype);
} else {
ret = ai;
ret->type = atype;
}
if (ret == NULL) {
ASN1err(ASN1_F_BN_TO_ASN1_STRING, ERR_R_NESTED_ASN1_ERROR);
goto err;
}
if (BN_is_negative(bn) && !BN_is_zero(bn))
ret->type |= V_ASN1_NEG_INTEGER;
len = BN_num_bytes(bn);
if (len == 0)
len = 1;
if (ASN1_STRING_set(ret, NULL, len) == 0) {
ASN1err(ASN1_F_BN_TO_ASN1_STRING, ERR_R_MALLOC_FAILURE);
goto err;
}
if (BN_is_zero(bn))
ret->data[0] = 0;
else
len = BN_bn2bin(bn, ret->data);
ret->length = len;
return ret;
err:
if (ret != ai)
ASN1_INTEGER_free(ret);
return (NULL);
} | https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/crypto/asn1/a_int.c/#L545 |
d2a_code_data_45804 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | https://github.com/openssl/openssl/blob/a7c71d8955fc5b9231858ddad0ee050f2b5238b3/crypto/bn/bn_ctx.c/#L355 |
d2a_code_data_45805 | static int parse_oct(const char *t[], PROPERTY_DEFINITION *res)
{
const char *s = *t;
int64_t v = 0;
if (*s == '9' || *s == '8' || !ossl_isdigit(*s))
return 0;
do {
v = (v << 3) + (*s - '0');
} while (ossl_isdigit(*++s) && *s != '9' && *s != '8');
if (!ossl_isspace(*s) && *s != '\0' && *s != ',') {
PROPerr(PROP_F_PARSE_OCT, PROP_R_NOT_AN_OCTAL_DIGIT);
return 0;
}
*t = skip_space(s);
res->type = PROPERTY_TYPE_NUMBER;
res->v.int_val = v;
return 1;
} | https://github.com/openssl/openssl/blob/260a16f33682a819414fcba6161708a5e6bdff50/crypto/property/property_parse.c/#L173 |
d2a_code_data_45806 | void av_free(void *ptr)
{
#if CONFIG_MEMALIGN_HACK
if (ptr)
free((char*)ptr - ((char*)ptr)[-1]);
#else
free(ptr);
#endif
} | https://github.com/libav/libav/blob/bf61ef2316b6b6eac815fe5ada98d2ed41086164/libavutil/mem.c/#L143 |
d2a_code_data_45807 | int ossl_init_thread_start(uint64_t opts)
{
struct thread_local_inits_st *locals = ossl_init_get_thread_local(1);
if (locals == NULL)
return 0;
if (opts & OPENSSL_INIT_THREAD_ASYNC) {
#ifdef OPENSSL_INIT_DEBUG
fprintf(stderr, "OPENSSL_INIT: ossl_init_thread_start: "
"marking thread for async\n");
#endif
locals->async = 1;
}
if (opts & OPENSSL_INIT_THREAD_ERR_STATE) {
#ifdef OPENSSL_INIT_DEBUG
fprintf(stderr, "OPENSSL_INIT: ossl_init_thread_start: "
"marking thread for err_state\n");
#endif
locals->err_state = 1;
}
return 1;
} | https://github.com/openssl/openssl/blob/5968d11a7a28103610c054c6a57c852bbe0f3b51/crypto/init.c/#L383 |
d2a_code_data_45808 | static int www_body(char *hostname, int s, int stype, unsigned char *context)
{
char *buf = NULL;
int ret = 1;
int i, j, k, dot;
SSL *con;
const SSL_CIPHER *c;
BIO *io, *ssl_bio, *sbio;
#ifdef RENEG
int total_bytes = 0;
#endif
int width;
fd_set readfds;
width = s + 1;
buf = app_malloc(bufsize, "server www buffer");
io = BIO_new(BIO_f_buffer());
ssl_bio = BIO_new(BIO_f_ssl());
if ((io == NULL) || (ssl_bio == NULL))
goto err;
#ifdef FIONBIO
if (s_nbio) {
unsigned long sl = 1;
if (!s_quiet)
BIO_printf(bio_err, "turning on non blocking io\n");
if (BIO_socket_ioctl(s, FIONBIO, &sl) < 0)
ERR_print_errors(bio_err);
}
#endif
if (!BIO_set_write_buffer_size(io, bufsize))
goto err;
if ((con = SSL_new(ctx)) == NULL)
goto err;
if (s_tlsextdebug) {
SSL_set_tlsext_debug_callback(con, tlsext_cb);
SSL_set_tlsext_debug_arg(con, bio_s_out);
}
if (context && !SSL_set_session_id_context(con, context,
strlen((char *)context)))
goto err;
sbio = BIO_new_socket(s, BIO_NOCLOSE);
if (s_nbio_test) {
BIO *test;
test = BIO_new(BIO_f_nbio_test());
sbio = BIO_push(test, sbio);
}
SSL_set_bio(con, sbio, sbio);
SSL_set_accept_state(con);
BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
BIO_push(io, ssl_bio);
#ifdef CHARSET_EBCDIC
io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io);
#endif
if (s_debug) {
BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out);
}
if (s_msg) {
#ifndef OPENSSL_NO_SSL_TRACE
if (s_msg == 2)
SSL_set_msg_callback(con, SSL_trace);
else
#endif
SSL_set_msg_callback(con, msg_cb);
SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
}
for (;;) {
i = BIO_gets(io, buf, bufsize - 1);
if (i < 0) {
if (!BIO_should_retry(io) && !SSL_waiting_for_async(con)) {
if (!s_quiet)
ERR_print_errors(bio_err);
goto err;
} else {
BIO_printf(bio_s_out, "read R BLOCK\n");
#ifndef OPENSSL_NO_SRP
if (BIO_should_io_special(io)
&& BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) {
BIO_printf(bio_s_out, "LOOKUP renego during read\n");
srp_callback_parm.user =
SRP_VBASE_get_by_user(srp_callback_parm.vb,
srp_callback_parm.login);
if (srp_callback_parm.user)
BIO_printf(bio_s_out, "LOOKUP done %s\n",
srp_callback_parm.user->info);
else
BIO_printf(bio_s_out, "LOOKUP not successful\n");
continue;
}
#endif
#if defined(OPENSSL_SYS_NETWARE)
delay(1000);
#elif !defined(OPENSSL_SYS_MSDOS)
sleep(1);
#endif
continue;
}
} else if (i == 0) {
ret = 1;
goto end;
}
if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) ||
((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) {
char *p;
X509 *peer;
STACK_OF(SSL_CIPHER) *sk;
static const char *space = " ";
if (www == 1 && strncmp("GET /reneg", buf, 10) == 0) {
if (strncmp("GET /renegcert", buf, 14) == 0)
SSL_set_verify(con,
SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE,
NULL);
i = SSL_renegotiate(con);
BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n", i);
i = SSL_do_handshake(con);
if (i <= 0) {
BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n",
SSL_get_error(con, i));
ERR_print_errors(bio_err);
goto err;
}
FD_ZERO(&readfds);
openssl_fdset(s, &readfds);
i = select(width, (void *)&readfds, NULL, NULL, NULL);
if (i <= 0 || !FD_ISSET(s, &readfds)) {
BIO_printf(bio_s_out, "Error waiting for client response\n");
ERR_print_errors(bio_err);
goto err;
}
BIO_gets(io, buf, bufsize - 1);
}
BIO_puts(io,
"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n");
BIO_puts(io, "<pre>\n");
BIO_puts(io, "\n");
for (i = 0; i < local_argc; i++) {
const char *myp;
for (myp = local_argv[i]; *myp; myp++)
switch (*myp) {
case '<':
BIO_puts(io, "<");
break;
case '>':
BIO_puts(io, ">");
break;
case '&':
BIO_puts(io, "&");
break;
default:
BIO_write(io, myp, 1);
break;
}
BIO_write(io, " ", 1);
}
BIO_puts(io, "\n");
BIO_printf(io,
"Secure Renegotiation IS%s supported\n",
SSL_get_secure_renegotiation_support(con) ?
"" : " NOT");
BIO_printf(io, "Ciphers supported in s_server binary\n");
sk = SSL_get_ciphers(con);
j = sk_SSL_CIPHER_num(sk);
for (i = 0; i < j; i++) {
c = sk_SSL_CIPHER_value(sk, i);
BIO_printf(io, "%-11s:%-25s ",
SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
if ((((i + 1) % 2) == 0) && (i + 1 != j))
BIO_puts(io, "\n");
}
BIO_puts(io, "\n");
p = SSL_get_shared_ciphers(con, buf, bufsize);
if (p != NULL) {
BIO_printf(io,
"---\nCiphers common between both SSL end points:\n");
j = i = 0;
while (*p) {
if (*p == ':') {
BIO_write(io, space, 26 - j);
i++;
j = 0;
BIO_write(io, ((i % 3) ? " " : "\n"), 1);
} else {
BIO_write(io, p, 1);
j++;
}
p++;
}
BIO_puts(io, "\n");
}
ssl_print_sigalgs(io, con);
#ifndef OPENSSL_NO_EC
ssl_print_curves(io, con, 0);
#endif
BIO_printf(io, (SSL_cache_hit(con)
? "---\nReused, " : "---\nNew, "));
c = SSL_get_current_cipher(con);
BIO_printf(io, "%s, Cipher is %s\n",
SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
SSL_SESSION_print(io, SSL_get_session(con));
BIO_printf(io, "---\n");
print_stats(io, SSL_get_SSL_CTX(con));
BIO_printf(io, "---\n");
peer = SSL_get_peer_certificate(con);
if (peer != NULL) {
BIO_printf(io, "Client certificate\n");
X509_print(io, peer);
PEM_write_bio_X509(io, peer);
} else
BIO_puts(io, "no client certificate available\n");
BIO_puts(io, "</BODY></HTML>\r\n\r\n");
break;
} else if ((www == 2 || www == 3)
&& (strncmp("GET /", buf, 5) == 0)) {
BIO *file;
char *p, *e;
static const char *text =
"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
p = &(buf[5]);
dot = 1;
for (e = p; *e != '\0'; e++) {
if (e[0] == ' ')
break;
switch (dot) {
case 1:
dot = (e[0] == '.') ? 2 : 0;
break;
case 2:
dot = (e[0] == '.') ? 3 : 0;
break;
case 3:
dot = (e[0] == '/') ? -1 : 0;
break;
}
if (dot == 0)
dot = (e[0] == '/') ? 1 : 0;
}
dot = (dot == 3) || (dot == -1);
if (*e == '\0') {
BIO_puts(io, text);
BIO_printf(io, "'%s' is an invalid file name\r\n", p);
break;
}
*e = '\0';
if (dot) {
BIO_puts(io, text);
BIO_printf(io, "'%s' contains '..' reference\r\n", p);
break;
}
if (*p == '/') {
BIO_puts(io, text);
BIO_printf(io, "'%s' is an invalid path\r\n", p);
break;
}
if (app_isdir(p) > 0) {
BIO_puts(io, text);
BIO_printf(io, "'%s' is a directory\r\n", p);
break;
}
if ((file = BIO_new_file(p, "r")) == NULL) {
BIO_puts(io, text);
BIO_printf(io, "Error opening '%s'\r\n", p);
ERR_print_errors(io);
break;
}
if (!s_quiet)
BIO_printf(bio_err, "FILE:%s\n", p);
if (www == 2) {
i = strlen(p);
if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) ||
((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) ||
((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0)))
BIO_puts(io,
"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
else
BIO_puts(io,
"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
}
for (;;) {
i = BIO_read(file, buf, bufsize);
if (i <= 0)
break;
#ifdef RENEG
total_bytes += i;
BIO_printf(bio_err, "%d\n", i);
if (total_bytes > 3 * 1024) {
total_bytes = 0;
BIO_printf(bio_err, "RENEGOTIATE\n");
SSL_renegotiate(con);
}
#endif
for (j = 0; j < i;) {
#ifdef RENEG
{
static count = 0;
if (++count == 13) {
SSL_renegotiate(con);
}
}
#endif
k = BIO_write(io, &(buf[j]), i - j);
if (k <= 0) {
if (!BIO_should_retry(io) && !SSL_waiting_for_async(con))
goto write_error;
else {
BIO_printf(bio_s_out, "rwrite W BLOCK\n");
}
} else {
j += k;
}
}
}
write_error:
BIO_free(file);
break;
}
}
for (;;) {
i = (int)BIO_flush(io);
if (i <= 0) {
if (!BIO_should_retry(io))
break;
} else
break;
}
end:
SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
err:
if (ret >= 0)
BIO_printf(bio_s_out, "ACCEPT\n");
OPENSSL_free(buf);
BIO_free_all(io);
return (ret);
} | https://github.com/openssl/openssl/blob/fe05264e32327e33f0b0c091479affeecbf55e89/apps/s_server.c/#L2618 |
d2a_code_data_45809 | 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_45810 | int i2d_ASN1_SET(STACK *a, unsigned char **pp, int (*func)(), int ex_tag,
int ex_class, int is_set)
{
int ret=0,r;
int i;
unsigned char *p;
unsigned char *pStart, *pTempMem;
MYBLOB *rgSetBlob;
int totSize;
if (a == NULL) return(0);
for (i=sk_num(a)-1; i>=0; i--)
ret+=func(sk_value(a,i),NULL);
r=ASN1_object_size(1,ret,ex_tag);
if (pp == NULL) return(r);
p= *pp;
ASN1_put_object(&p,1,ret,ex_tag,ex_class);
if(!is_set || (sk_num(a) < 2))
{
for (i=0; i<sk_num(a); i++)
func(sk_value(a,i),&p);
*pp=p;
return(r);
}
pStart = p;
rgSetBlob = (MYBLOB *)Malloc( sk_num(a) * sizeof(MYBLOB));
for (i=0; i<sk_num(a); i++)
{
rgSetBlob[i].pbData = p;
func(sk_value(a,i),&p);
rgSetBlob[i].cbData = p - rgSetBlob[i].pbData;
}
*pp=p;
totSize = p - pStart;
qsort( rgSetBlob, sk_num(a), sizeof(MYBLOB), SetBlobCmp);
pTempMem = Malloc(totSize);
p = pTempMem;
for(i=0; i<sk_num(a); ++i)
{
memcpy(p, rgSetBlob[i].pbData, rgSetBlob[i].cbData);
p += rgSetBlob[i].cbData;
}
memcpy(pStart, pTempMem, totSize);
Free(pTempMem);
Free(rgSetBlob);
return(r);
} | https://github.com/openssl/openssl/blob/2449961ab2dc8e5b9f7349b32b1089824d244a9a/crypto/asn1/a_set.c/#L124 |
d2a_code_data_45811 | 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/7f7eb90b8ac55997c5c825bb3ebcfe28611e06f5/crypto/lhash/lhash.c/#L123 |
d2a_code_data_45812 | static int auth_suppdata_generate_cb(SSL *s, unsigned short supp_data_type,
const unsigned char **out,
unsigned short *outlen, void *arg)
{
if (c_auth && client_provided_client_authz && client_provided_server_authz)
{
if (!c_auth_require_reneg
|| (c_auth_require_reneg && SSL_num_renegotiations(s)))
{
generated_supp_data = OPENSSL_malloc(10);
memcpy(generated_supp_data, "1234512345", 10);
*out = generated_supp_data;
*outlen = 10;
return 1;
}
}
return -1;
} | https://github.com/openssl/openssl/blob/99fb221280045f1ed930e4d9355013b461532913/apps/s_server.c/#L3637 |
d2a_code_data_45813 | 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/a8ea8018fa187e22fb4989450b550589e20f62c2/crypto/lhash/lhash.c/#L139 |
d2a_code_data_45814 | size_t av_strlcatf(char *dst, size_t size, const char *fmt, ...)
{
int len = strlen(dst);
va_list vl;
va_start(vl, fmt);
len += vsnprintf(dst + len, size > len ? size - len : 0, fmt, vl);
va_end(vl);
return len;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavutil/string.c/#L74 |
d2a_code_data_45815 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | https://github.com/openssl/openssl/blob/8f58ede09572dcc6a7e6c01280dd348240199568/crypto/bn/bn_ctx.c/#L276 |
d2a_code_data_45816 | static int tree_add_unmatched(X509_POLICY_LEVEL *curr,
const X509_POLICY_CACHE *cache,
const ASN1_OBJECT *id,
X509_POLICY_NODE *node, X509_POLICY_TREE *tree)
{
X509_POLICY_DATA *data;
if (id == NULL)
id = node->data->valid_policy;
if ((data = policy_data_new(NULL, id, node_critical(node))) == NULL)
return 0;
data->qualifier_set = cache->anyPolicy->qualifier_set;
data->flags |= POLICY_DATA_FLAG_SHARED_QUALIFIERS;
if (level_add_node(curr, data, node, tree) == NULL) {
policy_data_free(data);
return 0;
}
return 1;
} | https://github.com/openssl/openssl/blob/895c2f84a6a083fc8b9f69f962ed19da12ce3b40/crypto/x509v3/pcy_tree.c/#L364 |
d2a_code_data_45817 | 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/fe55c4a20f79c77c64a082c5df2c5e8a61317162/crypto/lhash/lhash.c/#L123 |
d2a_code_data_45818 | static int bnrand(int pseudorand, BIGNUM *rnd, int bits, int top, int bottom)
{
unsigned char *buf = NULL;
int ret = 0, bit, bytes, mask;
time_t tim;
if (bits == 0) {
if (top != BN_RAND_TOP_ANY || bottom != BN_RAND_BOTTOM_ANY)
goto toosmall;
BN_zero(rnd);
return 1;
}
if (bits < 0 || (bits == 1 && top > 0))
goto toosmall;
bytes = (bits + 7) / 8;
bit = (bits - 1) % 8;
mask = 0xff << (bit + 1);
buf = OPENSSL_malloc(bytes);
if (buf == NULL) {
BNerr(BN_F_BNRAND, ERR_R_MALLOC_FAILURE);
goto err;
}
time(&tim);
RAND_add(&tim, sizeof(tim), 0.0);
if (RAND_bytes(buf, bytes) <= 0)
goto err;
if (pseudorand == 2) {
int i;
unsigned char c;
for (i = 0; i < bytes; i++) {
if (RAND_bytes(&c, 1) <= 0)
goto err;
if (c >= 128 && i > 0)
buf[i] = buf[i - 1];
else if (c < 42)
buf[i] = 0;
else if (c < 84)
buf[i] = 255;
}
}
if (top >= 0) {
if (top) {
if (bit == 0) {
buf[0] = 1;
buf[1] |= 0x80;
} else {
buf[0] |= (3 << (bit - 1));
}
} else {
buf[0] |= (1 << bit);
}
}
buf[0] &= ~mask;
if (bottom)
buf[bytes - 1] |= 1;
if (!BN_bin2bn(buf, bytes, rnd))
goto err;
ret = 1;
err:
OPENSSL_clear_free(buf, bytes);
bn_check_top(rnd);
return (ret);
toosmall:
BNerr(BN_F_BNRAND, BN_R_BITS_TOO_SMALL);
return 0;
} | https://github.com/openssl/openssl/blob/0282aeb690d63fab73a07191b63300a2fe30d212/crypto/bn/bn_rand.c/#L82 |
d2a_code_data_45819 | static void append_inout(AVFilterInOut **inouts, AVFilterInOut **element)
{
while (*inouts && (*inouts)->next)
inouts = &((*inouts)->next);
if (!*inouts)
*inouts = *element;
else
(*inouts)->next = *element;
*element = NULL;
} | https://github.com/libav/libav/blob/95a41311ac3a44773cc4dc407408aca35b1f8e26/libavfilter/graphparser.c/#L255 |
d2a_code_data_45820 | static int build_chain(X509_STORE_CTX *ctx)
{
struct dane_st *dane = (struct dane_st *)ctx->dane;
int num = sk_X509_num(ctx->chain);
X509 *cert = sk_X509_value(ctx->chain, num - 1);
int ss = cert_self_signed(cert);
STACK_OF(X509) *sktmp = NULL;
unsigned int search;
int may_trusted = 0;
int may_alternate = 0;
int trust = X509_TRUST_UNTRUSTED;
int alt_untrusted = 0;
int depth;
int ok = 0;
int i;
OPENSSL_assert(num == 1 && ctx->num_untrusted == num);
#define S_DOUNTRUSTED (1 << 0)
#define S_DOTRUSTED (1 << 1)
#define S_DOALTERNATE (1 << 2)
search = (ctx->untrusted != NULL) ? S_DOUNTRUSTED : 0;
if (DANETLS_HAS_PKIX(dane) || !DANETLS_HAS_DANE(dane)) {
if (search == 0 || ctx->param->flags & X509_V_FLAG_TRUSTED_FIRST)
search |= S_DOTRUSTED;
else if (!(ctx->param->flags & X509_V_FLAG_NO_ALT_CHAINS))
may_alternate = 1;
may_trusted = 1;
}
if (ctx->untrusted && (sktmp = sk_X509_dup(ctx->untrusted)) == NULL) {
X509err(X509_F_BUILD_CHAIN, ERR_R_MALLOC_FAILURE);
return 0;
}
if (DANETLS_ENABLED(dane) && dane->certs != NULL) {
for (i = 0; i < sk_X509_num(dane->certs); ++i) {
if (!sk_X509_push(sktmp, sk_X509_value(dane->certs, i))) {
sk_X509_free(sktmp);
X509err(X509_F_BUILD_CHAIN, ERR_R_MALLOC_FAILURE);
return 0;
}
}
}
if (ctx->param->depth > INT_MAX/2)
ctx->param->depth = INT_MAX/2;
depth = ctx->param->depth + 1;
while (search != 0) {
X509 *x;
X509 *xtmp = NULL;
if ((search & S_DOTRUSTED) != 0) {
STACK_OF(X509) *hide = ctx->chain;
i = num = sk_X509_num(ctx->chain);
if ((search & S_DOALTERNATE) != 0) {
i = alt_untrusted;
}
x = sk_X509_value(ctx->chain, i-1);
ctx->chain = NULL;
ok = (depth < num) ? 0 : ctx->get_issuer(&xtmp, ctx, x);
ctx->chain = hide;
if (ok < 0) {
trust = X509_TRUST_REJECTED;
search = 0;
continue;
}
if (ok > 0) {
if ((search & S_DOALTERNATE) != 0) {
OPENSSL_assert(num > i && i > 0 && ss == 0);
search &= ~S_DOALTERNATE;
for (; num > i; --num)
X509_free(sk_X509_pop(ctx->chain));
ctx->num_untrusted = num;
if (DANETLS_ENABLED(dane) &&
dane->mdpth >= ctx->num_untrusted) {
dane->mdpth = -1;
X509_free(dane->mcert);
dane->mcert = NULL;
}
if (DANETLS_ENABLED(dane) &&
dane->pdpth >= ctx->num_untrusted)
dane->pdpth = -1;
}
if (ss == 0) {
if (!sk_X509_push(ctx->chain, x = xtmp)) {
X509_free(xtmp);
X509err(X509_F_BUILD_CHAIN, ERR_R_MALLOC_FAILURE);
trust = X509_TRUST_REJECTED;
search = 0;
continue;
}
ss = cert_self_signed(x);
} else if (num == ctx->num_untrusted) {
if (X509_cmp(x, xtmp) != 0) {
X509_free(xtmp);
ok = 0;
} else {
X509_free(x);
ctx->num_untrusted = --num;
(void) sk_X509_set(ctx->chain, num, x = xtmp);
}
}
if (ok) {
OPENSSL_assert(ctx->num_untrusted <= num);
search &= ~S_DOUNTRUSTED;
switch (trust = check_trust(ctx, num)) {
case X509_TRUST_TRUSTED:
case X509_TRUST_REJECTED:
search = 0;
continue;
}
if (ss == 0)
continue;
}
}
if ((search & S_DOUNTRUSTED) == 0) {
if ((search & S_DOALTERNATE) != 0 && --alt_untrusted > 0)
continue;
if (!may_alternate || (search & S_DOALTERNATE) != 0 ||
ctx->num_untrusted < 2)
break;
search |= S_DOALTERNATE;
alt_untrusted = ctx->num_untrusted - 1;
ss = 0;
}
}
if ((search & S_DOUNTRUSTED) != 0) {
num = sk_X509_num(ctx->chain);
OPENSSL_assert(num == ctx->num_untrusted);
x = sk_X509_value(ctx->chain, num-1);
xtmp = (depth < num) ? NULL : find_issuer(ctx, sktmp, x);
if (xtmp == NULL) {
search &= ~S_DOUNTRUSTED;
if (may_trusted)
search |= S_DOTRUSTED;
continue;
}
if (!sk_X509_push(ctx->chain, x = xtmp)) {
X509err(X509_F_BUILD_CHAIN, ERR_R_MALLOC_FAILURE);
trust = X509_TRUST_REJECTED;
search = 0;
continue;
}
X509_up_ref(x);
++ctx->num_untrusted;
ss = cert_self_signed(xtmp);
(void) sk_X509_delete_ptr(sktmp, x);
switch (trust = check_dane_issuer(ctx, ctx->num_untrusted - 1)) {
case X509_TRUST_TRUSTED:
case X509_TRUST_REJECTED:
search = 0;
continue;
}
}
}
sk_X509_free(sktmp);
num = sk_X509_num(ctx->chain);
if (num <= depth) {
if (trust == X509_TRUST_UNTRUSTED && DANETLS_HAS_DANE_TA(dane))
trust = check_dane_pkeys(ctx);
if (trust == X509_TRUST_UNTRUSTED && num == ctx->num_untrusted)
trust = check_trust(ctx, num);
}
switch (trust) {
case X509_TRUST_TRUSTED:
return 1;
case X509_TRUST_REJECTED:
return 0;
case X509_TRUST_UNTRUSTED:
default:
num = sk_X509_num(ctx->chain);
ctx->current_cert = sk_X509_value(ctx->chain, num - 1);
ctx->error_depth = num-1;
if (num > depth)
ctx->error = X509_V_ERR_CERT_CHAIN_TOO_LONG;
else if (DANETLS_ENABLED(dane) &&
(!DANETLS_HAS_PKIX(dane) || dane->pdpth >= 0))
ctx->error = X509_V_ERR_CERT_UNTRUSTED;
else if (ss && sk_X509_num(ctx->chain) == 1)
ctx->error = X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT;
else if (ss)
ctx->error = X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN;
else if (ctx->num_untrusted == num)
ctx->error = X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY;
else
ctx->error = X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT;
if (DANETLS_ENABLED(dane))
dane_reset(dane);
return ctx->verify_cb(0, ctx);
}
} | https://github.com/openssl/openssl/blob/0daccd4dc1f1ac62181738a91714f35472e50f3c/crypto/x509/x509_vfy.c/#L2695 |
d2a_code_data_45821 | 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_45822 | static int cert_status_cb(SSL *s, void *arg)
{
tlsextstatusctx *srctx = arg;
char *host = NULL, *port = NULL, *path = NULL;
int use_ssl;
unsigned char *rspder = NULL;
int rspderlen;
STACK_OF(OPENSSL_STRING) *aia = NULL;
X509 *x = NULL;
X509_STORE_CTX inctx;
X509_OBJECT obj;
OCSP_REQUEST *req = NULL;
OCSP_RESPONSE *resp = NULL;
OCSP_CERTID *id = NULL;
STACK_OF(X509_EXTENSION) *exts;
int ret = SSL_TLSEXT_ERR_NOACK;
int i;
if (srctx->verbose)
BIO_puts(bio_err, "cert_status: callback called\n");
x = SSL_get_certificate(s);
aia = X509_get1_ocsp(x);
if (aia) {
if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
&host, &port, &path, &use_ssl)) {
BIO_puts(bio_err, "cert_status: can't parse AIA URL\n");
goto err;
}
if (srctx->verbose)
BIO_printf(bio_err, "cert_status: AIA URL: %s\n",
sk_OPENSSL_STRING_value(aia, 0));
} else {
if (!srctx->host) {
BIO_puts(bio_err,
"cert_status: no AIA and no default responder URL\n");
goto done;
}
host = srctx->host;
path = srctx->path;
port = srctx->port;
use_ssl = srctx->use_ssl;
}
if (!X509_STORE_CTX_init(&inctx,
SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
NULL, NULL))
goto err;
if (X509_STORE_get_by_subject(&inctx, X509_LU_X509,
X509_get_issuer_name(x), &obj) <= 0) {
BIO_puts(bio_err, "cert_status: Can't retrieve issuer certificate.\n");
X509_STORE_CTX_cleanup(&inctx);
goto done;
}
req = OCSP_REQUEST_new();
if (req == NULL)
goto err;
id = OCSP_cert_to_id(NULL, x, obj.data.x509);
X509_free(obj.data.x509);
X509_STORE_CTX_cleanup(&inctx);
if (!id)
goto err;
if (!OCSP_request_add0_id(req, id))
goto err;
id = NULL;
SSL_get_tlsext_status_exts(s, &exts);
for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
if (!OCSP_REQUEST_add_ext(req, ext, -1))
goto err;
}
resp = process_responder(req, host, path, port, use_ssl, NULL,
srctx->timeout);
if (!resp) {
BIO_puts(bio_err, "cert_status: error querying responder\n");
goto done;
}
rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
if (rspderlen <= 0)
goto err;
SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
if (srctx->verbose) {
BIO_puts(bio_err, "cert_status: ocsp response sent:\n");
OCSP_RESPONSE_print(bio_err, resp, 2);
}
ret = SSL_TLSEXT_ERR_OK;
done:
if (ret != SSL_TLSEXT_ERR_OK)
ERR_print_errors(bio_err);
if (aia) {
OPENSSL_free(host);
OPENSSL_free(path);
OPENSSL_free(port);
X509_email_free(aia);
}
OCSP_CERTID_free(id);
OCSP_REQUEST_free(req);
OCSP_RESPONSE_free(resp);
return ret;
err:
ret = SSL_TLSEXT_ERR_ALERT_FATAL;
goto done;
} | https://github.com/openssl/openssl/blob/5705e05037938623f701092ec84dae90d191091c/apps/s_server.c/#L642 |
d2a_code_data_45823 | static int decode_residual(H264Context *h, GetBitContext *gb, DCTELEM *block, int n, const uint8_t *scantable, const uint32_t *qmul, int max_coeff){
MpegEncContext * const s = &h->s;
static const int coeff_token_table_index[17]= {0, 0, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3};
int level[16];
int zeros_left, coeff_num, coeff_token, total_coeff, i, j, trailing_ones, run_before;
if(n == CHROMA_DC_BLOCK_INDEX){
coeff_token= get_vlc2(gb, chroma_dc_coeff_token_vlc.table, CHROMA_DC_COEFF_TOKEN_VLC_BITS, 1);
total_coeff= coeff_token>>2;
}else{
if(n == LUMA_DC_BLOCK_INDEX){
total_coeff= pred_non_zero_count(h, 0);
coeff_token= get_vlc2(gb, coeff_token_vlc[ coeff_token_table_index[total_coeff] ].table, COEFF_TOKEN_VLC_BITS, 2);
total_coeff= coeff_token>>2;
}else{
total_coeff= pred_non_zero_count(h, n);
coeff_token= get_vlc2(gb, coeff_token_vlc[ coeff_token_table_index[total_coeff] ].table, COEFF_TOKEN_VLC_BITS, 2);
total_coeff= coeff_token>>2;
h->non_zero_count_cache[ scan8[n] ]= total_coeff;
}
}
if(total_coeff==0)
return 0;
if(total_coeff > (unsigned)max_coeff) {
av_log(h->s.avctx, AV_LOG_ERROR, "corrupted macroblock %d %d (total_coeff=%d)\n", s->mb_x, s->mb_y, total_coeff);
return -1;
}
trailing_ones= coeff_token&3;
tprintf(h->s.avctx, "trailing:%d, total:%d\n", trailing_ones, total_coeff);
assert(total_coeff<=16);
for(i=0; i<trailing_ones; i++){
level[i]= 1 - 2*get_bits1(gb);
}
if(i<total_coeff) {
int level_code, mask;
int suffix_length = total_coeff > 10 && trailing_ones < 3;
int prefix= get_level_prefix(gb);
if(prefix<14){
if(suffix_length)
level_code= (prefix<<suffix_length) + get_bits(gb, suffix_length);
else
level_code= (prefix<<suffix_length);
}else if(prefix==14){
if(suffix_length)
level_code= (prefix<<suffix_length) + get_bits(gb, suffix_length);
else
level_code= prefix + get_bits(gb, 4);
}else if(prefix==15){
level_code= (prefix<<suffix_length) + get_bits(gb, 12);
if(suffix_length==0) level_code+=15;
}else{
av_log(h->s.avctx, AV_LOG_ERROR, "prefix too large at %d %d\n", s->mb_x, s->mb_y);
return -1;
}
if(trailing_ones < 3) level_code += 2;
suffix_length = 1;
if(level_code > 5)
suffix_length++;
mask= -(level_code&1);
level[i]= (((2+level_code)>>1) ^ mask) - mask;
i++;
for(;i<total_coeff;i++) {
static const int suffix_limit[7] = {0,5,11,23,47,95,INT_MAX };
prefix = get_level_prefix(gb);
if(prefix<15){
level_code = (prefix<<suffix_length) + get_bits(gb, suffix_length);
}else if(prefix==15){
level_code = (prefix<<suffix_length) + get_bits(gb, 12);
}else{
av_log(h->s.avctx, AV_LOG_ERROR, "prefix too large at %d %d\n", s->mb_x, s->mb_y);
return -1;
}
mask= -(level_code&1);
level[i]= (((2+level_code)>>1) ^ mask) - mask;
if(level_code > suffix_limit[suffix_length])
suffix_length++;
}
}
if(total_coeff == max_coeff)
zeros_left=0;
else{
if(n == CHROMA_DC_BLOCK_INDEX)
zeros_left= get_vlc2(gb, chroma_dc_total_zeros_vlc[ total_coeff-1 ].table, CHROMA_DC_TOTAL_ZEROS_VLC_BITS, 1);
else
zeros_left= get_vlc2(gb, total_zeros_vlc[ total_coeff-1 ].table, TOTAL_ZEROS_VLC_BITS, 1);
}
coeff_num = zeros_left + total_coeff - 1;
j = scantable[coeff_num];
if(n > 24){
block[j] = level[0];
for(i=1;i<total_coeff;i++) {
if(zeros_left <= 0)
run_before = 0;
else if(zeros_left < 7){
run_before= get_vlc2(gb, run_vlc[zeros_left-1].table, RUN_VLC_BITS, 1);
}else{
run_before= get_vlc2(gb, run7_vlc.table, RUN7_VLC_BITS, 2);
}
zeros_left -= run_before;
coeff_num -= 1 + run_before;
j= scantable[ coeff_num ];
block[j]= level[i];
}
}else{
block[j] = (level[0] * qmul[j] + 32)>>6;
for(i=1;i<total_coeff;i++) {
if(zeros_left <= 0)
run_before = 0;
else if(zeros_left < 7){
run_before= get_vlc2(gb, run_vlc[zeros_left-1].table, RUN_VLC_BITS, 1);
}else{
run_before= get_vlc2(gb, run7_vlc.table, RUN7_VLC_BITS, 2);
}
zeros_left -= run_before;
coeff_num -= 1 + run_before;
j= scantable[ coeff_num ];
block[j]= (level[i] * qmul[j] + 32)>>6;
}
}
if(zeros_left<0){
av_log(h->s.avctx, AV_LOG_ERROR, "negative number of zero coeffs at %d %d\n", s->mb_x, s->mb_y);
return -1;
}
return 0;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/h264.c/#L4429 |
d2a_code_data_45824 | 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; isxdigit((unsigned char)a[i]); i++) ;
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];
if ((c >= '0') && (c <= '9'))
k = c - '0';
else if ((c >= 'a') && (c <= 'f'))
k = c - 'a' + 10;
else if ((c >= 'A') && (c <= 'F'))
k = c - 'A' + 10;
else
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);
ret->neg = neg;
*bn = ret;
bn_check_top(ret);
return (num);
err:
if (*bn == NULL)
BN_free(ret);
return (0);
} | https://github.com/openssl/openssl/blob/9c46f4b9cd4912b61cb546c48b678488d7f26ed6/crypto/bn/bn_print.c/#L213 |
d2a_code_data_45825 | 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/b568d6d94bda607e4ebb35be68181a8c2a9f5c50/ffmpeg.c/#L3049 |
d2a_code_data_45826 | static void ape_parse_tag(AVFormatContext *s)
{
ByteIOContext *pb = s->pb;
int file_size = url_fsize(pb);
uint32_t val, fields, tag_bytes;
uint8_t buf[8];
int i;
if (file_size < APE_TAG_FOOTER_BYTES)
return;
url_fseek(pb, file_size - APE_TAG_FOOTER_BYTES, SEEK_SET);
get_buffer(pb, buf, 8);
if (strncmp(buf, "APETAGEX", 8)) {
av_log(NULL, AV_LOG_ERROR, "Invalid APE Tags\n");
return;
}
val = get_le32(pb);
if (val > APE_TAG_VERSION) {
av_log(NULL, AV_LOG_ERROR, "Unsupported tag version. (>=%d)\n", APE_TAG_VERSION);
return;
}
tag_bytes = get_le32(pb);
if (tag_bytes - APE_TAG_FOOTER_BYTES > (1024 * 1024 * 16)) {
av_log(NULL, AV_LOG_ERROR, "Tag size is way too big\n");
return;
}
fields = get_le32(pb);
if (fields > 65536) {
av_log(NULL, AV_LOG_ERROR, "Too many tag fields (%d)\n", fields);
return;
}
val = get_le32(pb);
if (val & APE_TAG_FLAG_IS_HEADER) {
av_log(NULL, AV_LOG_ERROR, "APE Tag is a header\n");
return;
}
if (val & APE_TAG_FLAG_CONTAINS_HEADER)
tag_bytes += 2*APE_TAG_FOOTER_BYTES;
url_fseek(pb, file_size - tag_bytes, SEEK_SET);
for (i=0; i<fields; i++)
ape_tag_read_field(s);
#if ENABLE_DEBUG
av_log(NULL, AV_LOG_DEBUG, "\nAPE Tags:\n\n");
av_log(NULL, AV_LOG_DEBUG, "title = %s\n", s->title);
av_log(NULL, AV_LOG_DEBUG, "author = %s\n", s->author);
av_log(NULL, AV_LOG_DEBUG, "copyright = %s\n", s->copyright);
av_log(NULL, AV_LOG_DEBUG, "comment = %s\n", s->comment);
av_log(NULL, AV_LOG_DEBUG, "album = %s\n", s->album);
av_log(NULL, AV_LOG_DEBUG, "year = %d\n", s->year);
av_log(NULL, AV_LOG_DEBUG, "track = %d\n", s->track);
av_log(NULL, AV_LOG_DEBUG, "genre = %s\n", s->genre);
#endif
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavformat/ape.c/#L190 |
d2a_code_data_45827 | int X509_REQ_print_ex(BIO *bp, X509_REQ *x, unsigned long nmflags,
unsigned long cflag)
{
long l;
int i;
EVP_PKEY *pkey;
STACK_OF(X509_EXTENSION) *exts;
char mlch = ' ';
int nmindent = 0;
if ((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
mlch = '\n';
nmindent = 12;
}
if (nmflags == X509_FLAG_COMPAT)
nmindent = 16;
if (!(cflag & X509_FLAG_NO_HEADER)) {
if (BIO_write(bp, "Certificate Request:\n", 21) <= 0)
goto err;
if (BIO_write(bp, " Data:\n", 10) <= 0)
goto err;
}
if (!(cflag & X509_FLAG_NO_VERSION)) {
l = X509_REQ_get_version(x);
if (BIO_printf(bp, "%8sVersion: %ld (0x%lx)\n", "", l + 1, l) <= 0)
goto err;
}
if (!(cflag & X509_FLAG_NO_SUBJECT)) {
if (BIO_printf(bp, " Subject:%c", mlch) <= 0)
goto err;
if (X509_NAME_print_ex(bp, X509_REQ_get_subject_name(x),
nmindent, nmflags) < 0)
goto err;
if (BIO_write(bp, "\n", 1) <= 0)
goto err;
}
if (!(cflag & X509_FLAG_NO_PUBKEY)) {
X509_PUBKEY *xpkey;
ASN1_OBJECT *koid;
if (BIO_write(bp, " Subject Public Key Info:\n", 33) <= 0)
goto err;
if (BIO_printf(bp, "%12sPublic Key Algorithm: ", "") <= 0)
goto err;
xpkey = X509_REQ_get_X509_PUBKEY(x);
X509_PUBKEY_get0_param(&koid, NULL, NULL, NULL, xpkey);
if (i2a_ASN1_OBJECT(bp, koid) <= 0)
goto err;
if (BIO_puts(bp, "\n") <= 0)
goto err;
pkey = X509_REQ_get0_pubkey(x);
if (pkey == NULL) {
BIO_printf(bp, "%12sUnable to load Public Key\n", "");
ERR_print_errors(bp);
} else {
EVP_PKEY_print_public(bp, pkey, 16, NULL);
}
}
if (!(cflag & X509_FLAG_NO_ATTRIBUTES)) {
if (BIO_printf(bp, "%8sAttributes:\n", "") <= 0)
goto err;
if (X509_REQ_get_attr_count(x) == 0) {
if (BIO_printf(bp, "%12sa0:00\n", "") <= 0)
goto err;
} else {
for (i = 0; i < X509_REQ_get_attr_count(x); i++) {
ASN1_TYPE *at;
X509_ATTRIBUTE *a;
ASN1_BIT_STRING *bs = NULL;
ASN1_OBJECT *aobj;
int j, type = 0, count = 1, ii = 0;
a = X509_REQ_get_attr(x, i);
aobj = X509_ATTRIBUTE_get0_object(a);
if (X509_REQ_extension_nid(OBJ_obj2nid(aobj)))
continue;
if (BIO_printf(bp, "%12s", "") <= 0)
goto err;
if ((j = i2a_ASN1_OBJECT(bp, aobj)) > 0) {
ii = 0;
count = X509_ATTRIBUTE_count(a);
get_next:
at = X509_ATTRIBUTE_get0_type(a, ii);
type = at->type;
bs = at->value.asn1_string;
}
for (j = 25 - j; j > 0; j--)
if (BIO_write(bp, " ", 1) != 1)
goto err;
if (BIO_puts(bp, ":") <= 0)
goto err;
if ((type == V_ASN1_PRINTABLESTRING) ||
(type == V_ASN1_T61STRING) ||
(type == V_ASN1_UTF8STRING) ||
(type == V_ASN1_IA5STRING)) {
if (BIO_write(bp, (char *)bs->data, bs->length)
!= bs->length)
goto err;
BIO_puts(bp, "\n");
} else {
BIO_puts(bp, "unable to print attribute\n");
}
if (++ii < count)
goto get_next;
}
}
}
if (!(cflag & X509_FLAG_NO_EXTENSIONS)) {
exts = X509_REQ_get_extensions(x);
if (exts) {
BIO_printf(bp, "%8sRequested Extensions:\n", "");
for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
ASN1_OBJECT *obj;
X509_EXTENSION *ex;
int critical;
ex = sk_X509_EXTENSION_value(exts, i);
if (BIO_printf(bp, "%12s", "") <= 0)
goto err;
obj = X509_EXTENSION_get_object(ex);
i2a_ASN1_OBJECT(bp, obj);
critical = X509_EXTENSION_get_critical(ex);
if (BIO_printf(bp, ": %s\n", critical ? "critical" : "") <= 0)
goto err;
if (!X509V3_EXT_print(bp, ex, cflag, 16)) {
BIO_printf(bp, "%16s", "");
ASN1_STRING_print(bp, X509_EXTENSION_get_data(ex));
}
if (BIO_write(bp, "\n", 1) <= 0)
goto err;
}
sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
}
}
if (!(cflag & X509_FLAG_NO_SIGDUMP)) {
X509_ALGOR *sig_alg;
ASN1_BIT_STRING *sig;
X509_REQ_get0_signature(&sig, &sig_alg, x);
if (!X509_signature_print(bp, sig_alg, sig))
goto err;
}
return (1);
err:
X509err(X509_F_X509_REQ_PRINT_EX, ERR_R_BUF_LIB);
return (0);
} | https://github.com/openssl/openssl/blob/cb926df2fa42bd1e396a600ff6212ee4f4e04118/crypto/x509/t_req.c/#L63 |
d2a_code_data_45828 | 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_45829 | int WPACKET_allocate_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
{
assert(pkt->subs != NULL && len != 0);
if (pkt->subs == NULL || len == 0)
return 0;
if (pkt->maxsize - pkt->written < len)
return 0;
if (pkt->buf->length - pkt->written < len) {
size_t newlen;
size_t reflen;
reflen = (len > pkt->buf->length) ? len : pkt->buf->length;
if (reflen > SIZE_MAX / 2) {
newlen = SIZE_MAX;
} else {
newlen = reflen * 2;
if (newlen < DEFAULT_BUF_SIZE)
newlen = DEFAULT_BUF_SIZE;
}
if (BUF_MEM_grow(pkt->buf, newlen) == 0)
return 0;
}
*allocbytes = (unsigned char *)pkt->buf->data + pkt->curr;
pkt->written += len;
pkt->curr += len;
return 1;
} | https://github.com/openssl/openssl/blob/a6972f346248fbc37e42056bb943fae0896a2967/ssl/packet.c/#L25 |
d2a_code_data_45830 | int BN_abs_is_word(const BIGNUM *a, const BN_ULONG w)
{
return ((a->top == 1) && (a->d[0] == w)) || ((w == 0) && (a->top == 0));
} | https://github.com/openssl/openssl/blob/8f58ede09572dcc6a7e6c01280dd348240199568/crypto/bn/bn_lib.c/#L840 |
d2a_code_data_45831 | static size_t kat_entropy(RAND_DRBG *drbg, unsigned char **pout,
int entropy, size_t min_len, size_t max_len,
int prediction_resistance)
{
TEST_CTX *t = (TEST_CTX *)RAND_DRBG_get_ex_data(drbg, app_data_index);
t->entropycnt++;
*pout = (unsigned char *)t->entropy;
return t->entropylen;
} | https://github.com/openssl/openssl/blob/b44882a0bd0717e0aab84f5dc3ef81ab673155e9/test/drbgtest.c/#L140 |
d2a_code_data_45832 | int tls_curve_allowed(SSL *s, const unsigned char *curve, int op)
{
const tls_curve_info *cinfo;
if (curve[0])
return 1;
if ((curve[1] < 1) || ((size_t)curve[1] > OSSL_NELEM(nid_list)))
return 0;
cinfo = &nid_list[curve[1] - 1];
# ifdef OPENSSL_NO_EC2M
if (cinfo->flags & TLS_CURVE_CHAR2)
return 0;
# endif
return ssl_security(s, op, cinfo->secbits, cinfo->nid, (void *)curve);
} | https://github.com/openssl/openssl/blob/3fd5ece39b59d938d0cc84b8e5148d19044d15cf/ssl/t1_lib.c/#L275 |
d2a_code_data_45833 | static void contract(LHASH *lh)
{
LHASH_NODE **n,*n1,*np;
np=lh->b[lh->p+lh->pmax-1];
lh->b[lh->p+lh->pmax-1]=NULL;
if (lh->p == 0)
{
n=(LHASH_NODE **)OPENSSL_realloc(lh->b,
(unsigned int)(sizeof(LHASH_NODE *)*lh->pmax));
if (n == NULL)
{
lh->error++;
return;
}
lh->num_contract_reallocs++;
lh->num_alloc_nodes/=2;
lh->pmax/=2;
lh->p=lh->pmax-1;
lh->b=n;
}
else
lh->p--;
lh->num_nodes--;
lh->num_contracts++;
n1=lh->b[(int)lh->p];
if (n1 == NULL)
lh->b[(int)lh->p]=np;
else
{
while (n1->next != NULL)
n1=n1->next;
n1->next=np;
}
} | https://github.com/openssl/openssl/blob/f9b3bff6f7e38960bb87a5623fbcbc45ee952c49/crypto/lhash/lhash.c/#L356 |
d2a_code_data_45834 | 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/d7c42d71ba407a4b3c26ed58263ae225976bbac3/crypto/bn/bn_lib.c/#L289 |
d2a_code_data_45835 | 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_45836 | int ff_read_packet(AVFormatContext *s, AVPacket *pkt)
{
int ret, i, err;
AVStream *st;
for (;;) {
AVPacketList *pktl = s->internal->raw_packet_buffer;
if (pktl) {
*pkt = pktl->pkt;
st = s->streams[pkt->stream_index];
if (st->codecpar->codec_id != AV_CODEC_ID_PROBE ||
!st->probe_packets ||
s->internal->raw_packet_buffer_remaining_size < pkt->size) {
AVProbeData *pd;
if (st->probe_packets)
if ((err = probe_codec(s, st, NULL)) < 0)
return err;
pd = &st->probe_data;
av_freep(&pd->buf);
pd->buf_size = 0;
s->internal->raw_packet_buffer = pktl->next;
s->internal->raw_packet_buffer_remaining_size += pkt->size;
av_free(pktl);
return 0;
}
}
pkt->data = NULL;
pkt->size = 0;
av_init_packet(pkt);
ret = s->iformat->read_packet(s, pkt);
if (ret < 0) {
if (!pktl || ret == AVERROR(EAGAIN))
return ret;
for (i = 0; i < s->nb_streams; i++) {
st = s->streams[i];
if (st->probe_packets)
if ((err = probe_codec(s, st, NULL)) < 0)
return err;
}
continue;
}
if (!pkt->buf) {
AVPacket tmp = { 0 };
ret = av_packet_ref(&tmp, pkt);
if (ret < 0)
return ret;
*pkt = tmp;
}
if ((s->flags & AVFMT_FLAG_DISCARD_CORRUPT) &&
(pkt->flags & AV_PKT_FLAG_CORRUPT)) {
av_log(s, AV_LOG_WARNING,
"Dropped corrupted packet (stream = %d)\n",
pkt->stream_index);
av_packet_unref(pkt);
continue;
}
st = s->streams[pkt->stream_index];
switch (st->codecpar->codec_type) {
case AVMEDIA_TYPE_VIDEO:
if (s->video_codec_id)
st->codecpar->codec_id = s->video_codec_id;
break;
case AVMEDIA_TYPE_AUDIO:
if (s->audio_codec_id)
st->codecpar->codec_id = s->audio_codec_id;
break;
case AVMEDIA_TYPE_SUBTITLE:
if (s->subtitle_codec_id)
st->codecpar->codec_id = s->subtitle_codec_id;
break;
}
if (!pktl && (st->codecpar->codec_id != AV_CODEC_ID_PROBE ||
!st->probe_packets))
return ret;
err = add_to_pktbuf(&s->internal->raw_packet_buffer, pkt,
&s->internal->raw_packet_buffer_end, 0);
if (err)
return err;
s->internal->raw_packet_buffer_remaining_size -= pkt->size;
if ((err = probe_codec(s, st, pkt)) < 0)
return err;
}
} | https://github.com/libav/libav/blob/9d7026574bbbe67d004a1c32911da75375692967/libavformat/utils.c/#L462 |
d2a_code_data_45837 | static void pred8x8l_vertical_left_c(uint8_t *src, int has_topleft, int has_topright, int stride)
{
PREDICT_8x8_LOAD_TOP;
PREDICT_8x8_LOAD_TOPRIGHT;
SRC(0,0)= (t0 + t1 + 1) >> 1;
SRC(0,1)= (t0 + 2*t1 + t2 + 2) >> 2;
SRC(0,2)=SRC(1,0)= (t1 + t2 + 1) >> 1;
SRC(0,3)=SRC(1,1)= (t1 + 2*t2 + t3 + 2) >> 2;
SRC(0,4)=SRC(1,2)=SRC(2,0)= (t2 + t3 + 1) >> 1;
SRC(0,5)=SRC(1,3)=SRC(2,1)= (t2 + 2*t3 + t4 + 2) >> 2;
SRC(0,6)=SRC(1,4)=SRC(2,2)=SRC(3,0)= (t3 + t4 + 1) >> 1;
SRC(0,7)=SRC(1,5)=SRC(2,3)=SRC(3,1)= (t3 + 2*t4 + t5 + 2) >> 2;
SRC(1,6)=SRC(2,4)=SRC(3,2)=SRC(4,0)= (t4 + t5 + 1) >> 1;
SRC(1,7)=SRC(2,5)=SRC(3,3)=SRC(4,1)= (t4 + 2*t5 + t6 + 2) >> 2;
SRC(2,6)=SRC(3,4)=SRC(4,2)=SRC(5,0)= (t5 + t6 + 1) >> 1;
SRC(2,7)=SRC(3,5)=SRC(4,3)=SRC(5,1)= (t5 + 2*t6 + t7 + 2) >> 2;
SRC(3,6)=SRC(4,4)=SRC(5,2)=SRC(6,0)= (t6 + t7 + 1) >> 1;
SRC(3,7)=SRC(4,5)=SRC(5,3)=SRC(6,1)= (t6 + 2*t7 + t8 + 2) >> 2;
SRC(4,6)=SRC(5,4)=SRC(6,2)=SRC(7,0)= (t7 + t8 + 1) >> 1;
SRC(4,7)=SRC(5,5)=SRC(6,3)=SRC(7,1)= (t7 + 2*t8 + t9 + 2) >> 2;
SRC(5,6)=SRC(6,4)=SRC(7,2)= (t8 + t9 + 1) >> 1;
SRC(5,7)=SRC(6,5)=SRC(7,3)= (t8 + 2*t9 + t10 + 2) >> 2;
SRC(6,6)=SRC(7,4)= (t9 + t10 + 1) >> 1;
SRC(6,7)=SRC(7,5)= (t9 + 2*t10 + t11 + 2) >> 2;
SRC(7,6)= (t10 + t11 + 1) >> 1;
SRC(7,7)= (t10 + 2*t11 + t12 + 2) >> 2;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/h264pred.c/#L946 |
d2a_code_data_45838 | 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/#L1044 |
d2a_code_data_45839 | static int opt_preset(const char *opt, const char *arg)
{
FILE *f=NULL;
char filename[1000], tmp[1000], tmp2[1000], line[1000];
char *codec_name = *opt == 'v' ? video_codec_name :
*opt == 'a' ? audio_codec_name :
subtitle_codec_name;
if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
fprintf(stderr, "File for preset '%s' not found\n", arg);
ffmpeg_exit(1);
}
while(!feof(f)){
int e= fscanf(f, "%999[^\n]\n", line) - 1;
if(line[0] == '#' && !e)
continue;
e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
if(e){
fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
ffmpeg_exit(1);
}
if(!strcmp(tmp, "acodec")){
opt_audio_codec(tmp2);
}else if(!strcmp(tmp, "vcodec")){
opt_video_codec(tmp2);
}else if(!strcmp(tmp, "scodec")){
opt_subtitle_codec(tmp2);
}else if(opt_default(tmp, tmp2) < 0){
fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
ffmpeg_exit(1);
}
}
fclose(f);
return 0;
} | https://github.com/libav/libav/blob/129983408d0d064db656742a3d3d4c038420f48c/ffmpeg.c/#L4115 |
d2a_code_data_45840 | 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_45841 | char *X509_NAME_oneline(const X509_NAME *a, char *buf, int len)
{
const X509_NAME_ENTRY *ne;
int i;
int n, lold, l, l1, l2, num, j, type;
const char *s;
char *p;
unsigned char *q;
BUF_MEM *b = NULL;
static const char hex[17] = "0123456789ABCDEF";
int gs_doit[4];
char tmp_buf[80];
#ifdef CHARSET_EBCDIC
unsigned char ebcdic_buf[1024];
#endif
if (buf == NULL) {
if ((b = BUF_MEM_new()) == NULL)
goto err;
if (!BUF_MEM_grow(b, 200))
goto err;
b->data[0] = '\0';
len = 200;
} else if (len == 0) {
return NULL;
}
if (a == NULL) {
if (b) {
buf = b->data;
OPENSSL_free(b);
}
strncpy(buf, "NO X509_NAME", len);
buf[len - 1] = '\0';
return buf;
}
len--;
l = 0;
for (i = 0; i < sk_X509_NAME_ENTRY_num(a->entries); i++) {
ne = sk_X509_NAME_ENTRY_value(a->entries, i);
n = OBJ_obj2nid(ne->object);
if ((n == NID_undef) || ((s = OBJ_nid2sn(n)) == NULL)) {
i2t_ASN1_OBJECT(tmp_buf, sizeof(tmp_buf), ne->object);
s = tmp_buf;
}
l1 = strlen(s);
type = ne->value->type;
num = ne->value->length;
if (num > NAME_ONELINE_MAX) {
X509err(X509_F_X509_NAME_ONELINE, X509_R_NAME_TOO_LONG);
goto end;
}
q = ne->value->data;
#ifdef CHARSET_EBCDIC
if (type == V_ASN1_GENERALSTRING ||
type == V_ASN1_VISIBLESTRING ||
type == V_ASN1_PRINTABLESTRING ||
type == V_ASN1_TELETEXSTRING ||
type == V_ASN1_IA5STRING) {
if (num > (int)sizeof(ebcdic_buf))
num = sizeof(ebcdic_buf);
ascii2ebcdic(ebcdic_buf, q, num);
q = ebcdic_buf;
}
#endif
if ((type == V_ASN1_GENERALSTRING) && ((num % 4) == 0)) {
gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 0;
for (j = 0; j < num; j++)
if (q[j] != 0)
gs_doit[j & 3] = 1;
if (gs_doit[0] | gs_doit[1] | gs_doit[2])
gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1;
else {
gs_doit[0] = gs_doit[1] = gs_doit[2] = 0;
gs_doit[3] = 1;
}
} else
gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1;
for (l2 = j = 0; j < num; j++) {
if (!gs_doit[j & 3])
continue;
l2++;
#ifndef CHARSET_EBCDIC
if ((q[j] < ' ') || (q[j] > '~'))
l2 += 3;
#else
if ((os_toascii[q[j]] < os_toascii[' ']) ||
(os_toascii[q[j]] > os_toascii['~']))
l2 += 3;
#endif
}
lold = l;
l += 1 + l1 + 1 + l2;
if (l > NAME_ONELINE_MAX) {
X509err(X509_F_X509_NAME_ONELINE, X509_R_NAME_TOO_LONG);
goto end;
}
if (b != NULL) {
if (!BUF_MEM_grow(b, l + 1))
goto err;
p = &(b->data[lold]);
} else if (l > len) {
break;
} else
p = &(buf[lold]);
*(p++) = '/';
memcpy(p, s, (unsigned int)l1);
p += l1;
*(p++) = '=';
#ifndef CHARSET_EBCDIC
q = ne->value->data;
#endif
for (j = 0; j < num; j++) {
if (!gs_doit[j & 3])
continue;
#ifndef CHARSET_EBCDIC
n = q[j];
if ((n < ' ') || (n > '~')) {
*(p++) = '\\';
*(p++) = 'x';
*(p++) = hex[(n >> 4) & 0x0f];
*(p++) = hex[n & 0x0f];
} else
*(p++) = n;
#else
n = os_toascii[q[j]];
if ((n < os_toascii[' ']) || (n > os_toascii['~'])) {
*(p++) = '\\';
*(p++) = 'x';
*(p++) = hex[(n >> 4) & 0x0f];
*(p++) = hex[n & 0x0f];
} else
*(p++) = q[j];
#endif
}
*p = '\0';
}
if (b != NULL) {
p = b->data;
OPENSSL_free(b);
} else
p = buf;
if (i == 0)
*p = '\0';
return (p);
err:
X509err(X509_F_X509_NAME_ONELINE, ERR_R_MALLOC_FAILURE);
end:
BUF_MEM_free(b);
return (NULL);
} | https://github.com/openssl/openssl/blob/cdb2a60347f988037d29adc7e4415e9c66c8a5a5/crypto/x509/x509_obj.c/#L56 |
d2a_code_data_45842 | int ossl_init_thread_start(uint64_t opts)
{
struct thread_local_inits_st *locals;
if (!OPENSSL_init_crypto(0, NULL))
return 0;
locals = ossl_init_get_thread_local(1);
if (locals == NULL)
return 0;
if (opts & OPENSSL_INIT_THREAD_ASYNC) {
#ifdef OPENSSL_INIT_DEBUG
fprintf(stderr, "OPENSSL_INIT: ossl_init_thread_start: "
"marking thread for async\n");
#endif
locals->async = 1;
}
if (opts & OPENSSL_INIT_THREAD_ERR_STATE) {
#ifdef OPENSSL_INIT_DEBUG
fprintf(stderr, "OPENSSL_INIT: ossl_init_thread_start: "
"marking thread for err_state\n");
#endif
locals->err_state = 1;
}
return 1;
} | https://github.com/openssl/openssl/blob/89bc9cf682e833d44fe135c901fe75f600d871ef/crypto/init.c/#L397 |
d2a_code_data_45843 | 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/39e46af6bb3f1ad7f5c0dee8e3d13e2daf9a0160/crypto/asn1/a_gentm.c/#L308 |
d2a_code_data_45844 | 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/538bea6c8184670a8d1608ef288a4e1813dcefa6/ssl/packet.c/#L49 |
d2a_code_data_45845 | const uint8_t *ff_avc_find_startcode(const uint8_t *p, const uint8_t *end)
{
const uint8_t *a = p + 4 - ((long)p & 3);
for( end -= 3; p < a && p < end; p++ ) {
if( p[0] == 0 && p[1] == 0 && p[2] == 1 )
return p;
}
for( end -= 3; p < end; p += 4 ) {
uint32_t x = *(const uint32_t*)p;
if( (x - 0x01010101) & (~x) & 0x80808080 ) {
if( p[1] == 0 ) {
if( p[0] == 0 && p[2] == 1 )
return p-1;
if( p[2] == 0 && p[3] == 1 )
return p;
}
if( p[3] == 0 ) {
if( p[2] == 0 && p[4] == 1 )
return p+1;
if( p[4] == 0 && p[5] == 1 )
return p+2;
}
}
}
for( end += 3; p < end; p++ ) {
if( p[0] == 0 && p[1] == 0 && p[2] == 1 )
return p;
}
return end + 3;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavformat/avc.c/#L37 |
d2a_code_data_45846 | static int wpacket_intern_close(WPACKET *pkt, WPACKET_SUB *sub, int doclose)
{
size_t packlen = pkt->written - sub->pwritten;
if (packlen == 0
&& (sub->flags & WPACKET_FLAGS_NON_ZERO_LENGTH) != 0)
return 0;
if (packlen == 0
&& sub->flags & WPACKET_FLAGS_ABANDON_ON_ZERO_LENGTH) {
if (!doclose)
return 0;
if ((pkt->curr - sub->lenbytes) == sub->packet_len) {
pkt->written -= sub->lenbytes;
pkt->curr -= sub->lenbytes;
}
sub->packet_len = 0;
sub->lenbytes = 0;
}
if (sub->lenbytes > 0
&& !put_value(&GETBUF(pkt)[sub->packet_len], packlen,
sub->lenbytes))
return 0;
if (doclose) {
pkt->subs = sub->parent;
OPENSSL_free(sub);
}
return 1;
} | https://github.com/openssl/openssl/blob/a8ea8018fa187e22fb4989450b550589e20f62c2/ssl/packet.c/#L199 |
d2a_code_data_45847 | 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/05eec39505ba8af6f3c1558a26c565987707cd37/crypto/bn/bn_lib.c/#L271 |
d2a_code_data_45848 | static void do_video_stats(AVFormatContext *os, OutputStream *ost,
int frame_size)
{
AVCodecContext *enc;
int frame_number;
double ti1, bitrate, avg_bitrate;
if (!vstats_file) {
vstats_file = fopen(vstats_filename, "w");
if (!vstats_file) {
perror("fopen");
exit_program(1);
}
}
enc = ost->st->codec;
if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
frame_number = ost->frame_number;
fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
if (enc->flags&CODEC_FLAG_PSNR)
fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
fprintf(vstats_file,"f_size= %6d ", frame_size);
ti1 = ost->sync_opts * av_q2d(enc->time_base);
if (ti1 < 0.01)
ti1 = 0.01;
bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
(double)video_size / 1024, ti1, bitrate, avg_bitrate);
fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
}
} | https://github.com/libav/libav/blob/e1edfbcb240cace69d92701e6910c2b03555b7d7/avconv.c/#L1299 |
d2a_code_data_45849 | static void crl_akid_check(X509_STORE_CTX *ctx, X509_CRL *crl,
X509 **pissuer, int *pcrl_score)
{
X509 *crl_issuer = NULL;
X509_NAME *cnm = X509_CRL_get_issuer(crl);
int cidx = ctx->error_depth;
int i;
if (cidx != sk_X509_num(ctx->chain) - 1)
cidx++;
crl_issuer = sk_X509_value(ctx->chain, cidx);
if (X509_check_akid(crl_issuer, crl->akid) == X509_V_OK) {
if (*pcrl_score & CRL_SCORE_ISSUER_NAME) {
*pcrl_score |= CRL_SCORE_AKID | CRL_SCORE_ISSUER_CERT;
*pissuer = crl_issuer;
return;
}
}
for (cidx++; cidx < sk_X509_num(ctx->chain); cidx++) {
crl_issuer = sk_X509_value(ctx->chain, cidx);
if (X509_NAME_cmp(X509_get_subject_name(crl_issuer), cnm))
continue;
if (X509_check_akid(crl_issuer, crl->akid) == X509_V_OK) {
*pcrl_score |= CRL_SCORE_AKID | CRL_SCORE_SAME_PATH;
*pissuer = crl_issuer;
return;
}
}
if (!(ctx->param->flags & X509_V_FLAG_EXTENDED_CRL_SUPPORT))
return;
for (i = 0; i < sk_X509_num(ctx->untrusted); i++) {
crl_issuer = sk_X509_value(ctx->untrusted, i);
if (X509_NAME_cmp(X509_get_subject_name(crl_issuer), cnm))
continue;
if (X509_check_akid(crl_issuer, crl->akid) == X509_V_OK) {
*pissuer = crl_issuer;
*pcrl_score |= CRL_SCORE_AKID;
return;
}
}
} | https://github.com/openssl/openssl/blob/0daccd4dc1f1ac62181738a91714f35472e50f3c/crypto/x509/x509_vfy.c/#L1096 |
d2a_code_data_45850 | 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/fc923969761c996515ff13aed2686d999deaca15/ssl/s3_srvr.c/#L3111 |
d2a_code_data_45851 | DECLAREContigPutFunc(put8bitcmaptile)
{
uint32** PALmap = img->PALmap;
int samplesperpixel = img->samplesperpixel;
(void) y;
while (h-- > 0) {
for (x = w; x-- > 0;)
{
*cp++ = PALmap[*pp][0];
pp += samplesperpixel;
}
cp += toskew;
pp += fromskew;
}
} | https://gitlab.com/libtiff/libtiff/blob/771a4ea0a98c7a218c9f3add9a05e08d29625758/libtiff/tif_getimage.c/#L1076 |
d2a_code_data_45852 | 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/e1e369049e3d2f88eed6ed38eb3dd704681c7f1a/avconv.c/#L3436 |
d2a_code_data_45853 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | https://github.com/openssl/openssl/blob/4af793036f6ef4f0a1078e5d7155426a98d50e37/crypto/bn/bn_ctx.c/#L353 |
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