id int64 1 36.7k | label int64 0 1 | bug_url stringlengths 91 134 | bug_function stringlengths 13 72.7k | functions stringlengths 17 79.2k |
|---|---|---|---|---|
11,701 | 0 | https://github.com/libav/libav/blob/99ccd2ba10eac2b282c272ad9e75f082123c765a/libavcodec/bink.c/#L638 | static int read_dct_coeffs(GetBitContext *gb, int32_t block[64], const uint8_t *scan,
const int32_t quant_matrices[16][64], int q)
{
int coef_list[128];
int mode_list[128];
int i, t, bits, ccoef, mode, sign;
int list_start = 64, list_end = 64, list_pos;
int coef_count = 0;
int coef_idx[64];
int quant_idx;
const int32_t *quant;
coef_list[list_end] = 4; mode_list[list_end++] = 0;
coef_list[list_end] = 24; mode_list[list_end++] = 0;
coef_list[list_end] = 44; mode_list[list_end++] = 0;
coef_list[list_end] = 1; mode_list[list_end++] = 3;
coef_list[list_end] = 2; mode_list[list_end++] = 3;
coef_list[list_end] = 3; mode_list[list_end++] = 3;
for (bits = get_bits(gb, 4) - 1; bits >= 0; bits--) {
list_pos = list_start;
while (list_pos < list_end) {
if (!(mode_list[list_pos] | coef_list[list_pos]) || !get_bits1(gb)) {
list_pos++;
continue;
}
ccoef = coef_list[list_pos];
mode = mode_list[list_pos];
switch (mode) {
case 0:
coef_list[list_pos] = ccoef + 4;
mode_list[list_pos] = 1;
case 2:
if (mode == 2) {
coef_list[list_pos] = 0;
mode_list[list_pos++] = 0;
}
for (i = 0; i < 4; i++, ccoef++) {
if (get_bits1(gb)) {
coef_list[--list_start] = ccoef;
mode_list[ list_start] = 3;
} else {
if (!bits) {
t = 1 - (get_bits1(gb) << 1);
} else {
t = get_bits(gb, bits) | 1 << bits;
sign = -get_bits1(gb);
t = (t ^ sign) - sign;
}
block[scan[ccoef]] = t;
coef_idx[coef_count++] = ccoef;
}
}
break;
case 1:
mode_list[list_pos] = 2;
for (i = 0; i < 3; i++) {
ccoef += 4;
coef_list[list_end] = ccoef;
mode_list[list_end++] = 2;
}
break;
case 3:
if (!bits) {
t = 1 - (get_bits1(gb) << 1);
} else {
t = get_bits(gb, bits) | 1 << bits;
sign = -get_bits1(gb);
t = (t ^ sign) - sign;
}
block[scan[ccoef]] = t;
coef_idx[coef_count++] = ccoef;
coef_list[list_pos] = 0;
mode_list[list_pos++] = 0;
break;
}
}
}
if (q == -1) {
quant_idx = get_bits(gb, 4);
} else {
quant_idx = q;
}
quant = quant_matrices[quant_idx];
block[0] = (block[0] * quant[0]) >> 11;
for (i = 0; i < coef_count; i++) {
int idx = coef_idx[i];
block[scan[idx]] = (block[scan[idx]] * quant[idx]) >> 11;
}
return 0;
} | ['static int read_dct_coeffs(GetBitContext *gb, int32_t block[64], const uint8_t *scan,\n const int32_t quant_matrices[16][64], int q)\n{\n int coef_list[128];\n int mode_list[128];\n int i, t, bits, ccoef, mode, sign;\n int list_start = 64, list_end = 64, list_pos;\n int coef_count = 0;\n int coef_idx[64];\n int quant_idx;\n const int32_t *quant;\n coef_list[list_end] = 4; mode_list[list_end++] = 0;\n coef_list[list_end] = 24; mode_list[list_end++] = 0;\n coef_list[list_end] = 44; mode_list[list_end++] = 0;\n coef_list[list_end] = 1; mode_list[list_end++] = 3;\n coef_list[list_end] = 2; mode_list[list_end++] = 3;\n coef_list[list_end] = 3; mode_list[list_end++] = 3;\n for (bits = get_bits(gb, 4) - 1; bits >= 0; bits--) {\n list_pos = list_start;\n while (list_pos < list_end) {\n if (!(mode_list[list_pos] | coef_list[list_pos]) || !get_bits1(gb)) {\n list_pos++;\n continue;\n }\n ccoef = coef_list[list_pos];\n mode = mode_list[list_pos];\n switch (mode) {\n case 0:\n coef_list[list_pos] = ccoef + 4;\n mode_list[list_pos] = 1;\n case 2:\n if (mode == 2) {\n coef_list[list_pos] = 0;\n mode_list[list_pos++] = 0;\n }\n for (i = 0; i < 4; i++, ccoef++) {\n if (get_bits1(gb)) {\n coef_list[--list_start] = ccoef;\n mode_list[ list_start] = 3;\n } else {\n if (!bits) {\n t = 1 - (get_bits1(gb) << 1);\n } else {\n t = get_bits(gb, bits) | 1 << bits;\n sign = -get_bits1(gb);\n t = (t ^ sign) - sign;\n }\n block[scan[ccoef]] = t;\n coef_idx[coef_count++] = ccoef;\n }\n }\n break;\n case 1:\n mode_list[list_pos] = 2;\n for (i = 0; i < 3; i++) {\n ccoef += 4;\n coef_list[list_end] = ccoef;\n mode_list[list_end++] = 2;\n }\n break;\n case 3:\n if (!bits) {\n t = 1 - (get_bits1(gb) << 1);\n } else {\n t = get_bits(gb, bits) | 1 << bits;\n sign = -get_bits1(gb);\n t = (t ^ sign) - sign;\n }\n block[scan[ccoef]] = t;\n coef_idx[coef_count++] = ccoef;\n coef_list[list_pos] = 0;\n mode_list[list_pos++] = 0;\n break;\n }\n }\n }\n if (q == -1) {\n quant_idx = get_bits(gb, 4);\n } else {\n quant_idx = q;\n }\n quant = quant_matrices[quant_idx];\n block[0] = (block[0] * quant[0]) >> 11;\n for (i = 0; i < coef_count; i++) {\n int idx = coef_idx[i];\n block[scan[idx]] = (block[scan[idx]] * quant[idx]) >> 11;\n }\n return 0;\n}', 'static inline unsigned int get_bits1(GetBitContext *s)\n{\n unsigned int index = s->index;\n uint8_t result = s->buffer[index >> 3];\n#ifdef BITSTREAM_READER_LE\n result >>= index & 7;\n result &= 1;\n#else\n result <<= index & 7;\n result >>= 8 - 1;\n#endif\n#if !UNCHECKED_BITSTREAM_READER\n if (s->index < s->size_in_bits_plus8)\n#endif\n index++;\n s->index = index;\n return result;\n}'] |
11,702 | 0 | https://github.com/openssl/openssl/blob/09977dd095f3c655c99b9e1810a213f7eafa7364/crypto/bn/bn_lib.c/#L526 | int BN_set_word(BIGNUM *a, BN_ULONG w)
{
bn_check_top(a);
if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)
return (0);
a->neg = 0;
a->d[0] = w;
a->top = (w ? 1 : 0);
bn_check_top(a);
return (1);
} | ['static int gf2m_Mxy(const EC_GROUP *group, const BIGNUM *x, const BIGNUM *y,\n BIGNUM *x1, BIGNUM *z1, BIGNUM *x2, BIGNUM *z2,\n BN_CTX *ctx)\n{\n BIGNUM *t3, *t4, *t5;\n int ret = 0;\n if (BN_is_zero(z1)) {\n BN_zero(x2);\n BN_zero(z2);\n return 1;\n }\n if (BN_is_zero(z2)) {\n if (!BN_copy(x2, x))\n return 0;\n if (!BN_GF2m_add(z2, x, y))\n return 0;\n return 2;\n }\n BN_CTX_start(ctx);\n t3 = BN_CTX_get(ctx);\n t4 = BN_CTX_get(ctx);\n t5 = BN_CTX_get(ctx);\n if (t5 == NULL)\n goto err;\n if (!BN_one(t5))\n goto err;\n if (!group->meth->field_mul(group, t3, z1, z2, ctx))\n goto err;\n if (!group->meth->field_mul(group, z1, z1, x, ctx))\n goto err;\n if (!BN_GF2m_add(z1, z1, x1))\n goto err;\n if (!group->meth->field_mul(group, z2, z2, x, ctx))\n goto err;\n if (!group->meth->field_mul(group, x1, z2, x1, ctx))\n goto err;\n if (!BN_GF2m_add(z2, z2, x2))\n goto err;\n if (!group->meth->field_mul(group, z2, z2, z1, ctx))\n goto err;\n if (!group->meth->field_sqr(group, t4, x, ctx))\n goto err;\n if (!BN_GF2m_add(t4, t4, y))\n goto err;\n if (!group->meth->field_mul(group, t4, t4, t3, ctx))\n goto err;\n if (!BN_GF2m_add(t4, t4, z2))\n goto err;\n if (!group->meth->field_mul(group, t3, t3, x, ctx))\n goto err;\n if (!group->meth->field_div(group, t3, t5, t3, ctx))\n goto err;\n if (!group->meth->field_mul(group, t4, t3, t4, ctx))\n goto err;\n if (!group->meth->field_mul(group, x2, x1, t3, ctx))\n goto err;\n if (!BN_GF2m_add(z2, x2, x))\n goto err;\n if (!group->meth->field_mul(group, z2, z2, t4, ctx))\n goto err;\n if (!BN_GF2m_add(z2, z2, y))\n goto err;\n ret = 2;\n err:\n BN_CTX_end(ctx);\n return ret;\n}', 'BIGNUM *BN_CTX_get(BN_CTX *ctx)\n{\n BIGNUM *ret;\n CTXDBG_ENTRY("BN_CTX_get", ctx);\n if (ctx->err_stack || ctx->too_many)\n return NULL;\n if ((ret = BN_POOL_get(&ctx->pool, ctx->flags)) == NULL) {\n ctx->too_many = 1;\n BNerr(BN_F_BN_CTX_GET, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n return NULL;\n }\n BN_zero(ret);\n ctx->used++;\n CTXDBG_RET(ctx, ret);\n return ret;\n}', 'int BN_set_word(BIGNUM *a, BN_ULONG w)\n{\n bn_check_top(a);\n if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)\n return (0);\n a->neg = 0;\n a->d[0] = w;\n a->top = (w ? 1 : 0);\n bn_check_top(a);\n return (1);\n}', 'static ossl_inline BIGNUM *bn_expand(BIGNUM *a, int bits)\n{\n if (bits > (INT_MAX - BN_BITS2 + 1))\n return NULL;\n if(((bits+BN_BITS2-1)/BN_BITS2) <= (a)->dmax)\n return a;\n return bn_expand2((a),(bits+BN_BITS2-1)/BN_BITS2);\n}'] |
11,703 | 0 | https://gitlab.com/libtiff/libtiff/blob/709e93ded0000128625a23838756a408ea30745d/libtiff/tif_tile.c/#L130 | uint32
TIFFNumberOfTiles(TIFF* tif)
{
TIFFDirectory *td = &tif->tif_dir;
uint32 dx = td->td_tilewidth;
uint32 dy = td->td_tilelength;
uint32 dz = td->td_tiledepth;
uint32 ntiles;
if (dx == (uint32) -1)
dx = td->td_imagewidth;
if (dy == (uint32) -1)
dy = td->td_imagelength;
if (dz == (uint32) -1)
dz = td->td_imagedepth;
ntiles = (dx == 0 || dy == 0 || dz == 0) ? 0 :
_TIFFMultiply32(tif, _TIFFMultiply32(tif, TIFFhowmany_32(td->td_imagewidth, dx),
TIFFhowmany_32(td->td_imagelength, dy),
"TIFFNumberOfTiles"),
TIFFhowmany_32(td->td_imagedepth, dz), "TIFFNumberOfTiles");
if (td->td_planarconfig == PLANARCONFIG_SEPARATE)
ntiles = _TIFFMultiply32(tif, ntiles, td->td_samplesperpixel,
"TIFFNumberOfTiles");
return (ntiles);
} | ['void\nrasterize(int interleaved, char* mode)\n{\n register unsigned long row;\n unsigned char *newras;\n unsigned char *ras;\n TIFF *tif;\n tstrip_t strip;\n tsize_t stripsize;\n if ((newras = (unsigned char*) _TIFFmalloc(width*height+EXTRAFUDGE)) == NULL) {\n fprintf(stderr, "not enough memory for image\\n");\n return;\n }\n#define DRAWSEGMENT(offset, step) {\t\t\t\\\n for (row = offset; row < height; row += step) {\t\\\n _TIFFmemcpy(newras + row*width, ras, width);\\\n ras += width; \t\\\n }\t\t\t\t\t\t\\\n }\n ras = raster;\n if (interleaved) {\n DRAWSEGMENT(0, 8);\n DRAWSEGMENT(4, 8);\n DRAWSEGMENT(2, 4);\n DRAWSEGMENT(1, 2);\n } else\n DRAWSEGMENT(0, 1);\n#undef DRAWSEGMENT\n tif = TIFFOpen(imagename, mode);\n if (!tif) {\n\tTIFFError(imagename,"Can not open output image");\n\texit(-1);\n }\n TIFFSetField(tif, TIFFTAG_IMAGEWIDTH, (uint32) width);\n TIFFSetField(tif, TIFFTAG_IMAGELENGTH, (uint32) height);\n TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_PALETTE);\n TIFFSetField(tif, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);\n TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 1);\n TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, 8);\n TIFFSetField(tif, TIFFTAG_ROWSPERSTRIP,\n\trowsperstrip = TIFFDefaultStripSize(tif, rowsperstrip));\n TIFFSetField(tif, TIFFTAG_COMPRESSION, compression);\n switch (compression) {\n case COMPRESSION_LZW:\n case COMPRESSION_DEFLATE:\n\t if (predictor != 0)\n\t\t TIFFSetField(tif, TIFFTAG_PREDICTOR, predictor);\n\t break;\n }\n TIFFSetField(tif, TIFFTAG_COLORMAP, red, green, blue);\n TIFFSetField(tif, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT);\n strip = 0;\n stripsize = TIFFStripSize(tif);\n for (row=0; row<height; row += rowsperstrip) {\n\tif (TIFFWriteEncodedStrip(tif, strip, newras+row*width, stripsize) < 0)\n\t break;\n\tstrip++;\n }\n TIFFClose(tif);\n _TIFFfree(newras);\n}', 'tmsize_t\nTIFFStripSize(TIFF* tif)\n{\n\tstatic const char module[] = "TIFFStripSize";\n\tuint64 m;\n\ttmsize_t n;\n\tm=TIFFStripSize64(tif);\n\tn=(tmsize_t)m;\n\tif ((uint64)n!=m)\n\t{\n\t\tTIFFErrorExt(tif->tif_clientdata,module,"Integer overflow");\n\t\tn=0;\n\t}\n\treturn(n);\n}', 'uint64\nTIFFStripSize64(TIFF* tif)\n{\n\tTIFFDirectory* td = &tif->tif_dir;\n\tuint32 rps = td->td_rowsperstrip;\n\tif (rps > td->td_imagelength)\n\t\trps = td->td_imagelength;\n\treturn (TIFFVStripSize64(tif, rps));\n}', 'uint64\nTIFFVStripSize64(TIFF* tif, uint32 nrows)\n{\n\tstatic const char module[] = "TIFFVStripSize64";\n\tTIFFDirectory *td = &tif->tif_dir;\n\tif (nrows==(uint32)(-1))\n\t\tnrows=td->td_imagelength;\n\tif ((td->td_planarconfig==PLANARCONFIG_CONTIG)&&\n\t (td->td_photometric == PHOTOMETRIC_YCBCR)&&\n\t (!isUpSampled(tif)))\n\t{\n\t\tuint16 ycbcrsubsampling[2];\n\t\tuint16 samplingblock_samples;\n\t\tuint32 samplingblocks_hor;\n\t\tuint32 samplingblocks_ver;\n\t\tuint64 samplingrow_samples;\n\t\tuint64 samplingrow_size;\n\t\tif(td->td_samplesperpixel!=3)\n\t\t{\n\t\t\tTIFFErrorExt(tif->tif_clientdata,module,\n\t\t\t "Invalid td_samplesperpixel value");\n\t\t\treturn 0;\n\t\t}\n\t\tTIFFGetFieldDefaulted(tif,TIFFTAG_YCBCRSUBSAMPLING,ycbcrsubsampling+0,\n\t\t ycbcrsubsampling+1);\n\t\tif (((ycbcrsubsampling[0]!=1)&&(ycbcrsubsampling[0]!=2)&&(ycbcrsubsampling[0]!=4)) ||\n\t\t ((ycbcrsubsampling[1]!=1)&&(ycbcrsubsampling[1]!=2)&&(ycbcrsubsampling[1]!=4)))\n\t\t{\n\t\t\tTIFFErrorExt(tif->tif_clientdata,module,\n\t\t\t "Invalid YCbCr subsampling");\n\t\t\treturn 0;\n\t\t}\n\t\tsamplingblock_samples=ycbcrsubsampling[0]*ycbcrsubsampling[1]+2;\n\t\tsamplingblocks_hor=TIFFhowmany_32(td->td_imagewidth,ycbcrsubsampling[0]);\n\t\tsamplingblocks_ver=TIFFhowmany_32(nrows,ycbcrsubsampling[1]);\n\t\tsamplingrow_samples=_TIFFMultiply64(tif,samplingblocks_hor,samplingblock_samples,module);\n\t\tsamplingrow_size=TIFFhowmany8_64(_TIFFMultiply64(tif,samplingrow_samples,td->td_bitspersample,module));\n\t\treturn(_TIFFMultiply64(tif,samplingrow_size,samplingblocks_ver,module));\n\t}\n\telse\n\t\treturn(_TIFFMultiply64(tif,nrows,TIFFScanlineSize64(tif),module));\n}', 'tmsize_t\nTIFFWriteEncodedStrip(TIFF* tif, uint32 strip, void* data, tmsize_t cc)\n{\n\tstatic const char module[] = "TIFFWriteEncodedStrip";\n\tTIFFDirectory *td = &tif->tif_dir;\n\tuint16 sample;\n\tif (!WRITECHECKSTRIPS(tif, module))\n\t\treturn ((tmsize_t) -1);\n\tif (strip >= td->td_nstrips) {\n\t\tif (td->td_planarconfig == PLANARCONFIG_SEPARATE) {\n\t\t\tTIFFErrorExt(tif->tif_clientdata, module,\n\t\t\t "Can not grow image by strips when using separate planes");\n\t\t\treturn ((tmsize_t) -1);\n\t\t}\n\t\tif (!TIFFGrowStrips(tif, 1, module))\n\t\t\treturn ((tmsize_t) -1);\n\t\ttd->td_stripsperimage =\n\t\t TIFFhowmany_32(td->td_imagelength, td->td_rowsperstrip);\n\t}\n\tif (!BUFFERCHECK(tif))\n\t\treturn ((tmsize_t) -1);\n tif->tif_flags |= TIFF_BUF4WRITE;\n\ttif->tif_curstrip = strip;\n\ttif->tif_row = (strip % td->td_stripsperimage) * td->td_rowsperstrip;\n\tif ((tif->tif_flags & TIFF_CODERSETUP) == 0) {\n\t\tif (!(*tif->tif_setupencode)(tif))\n\t\t\treturn ((tmsize_t) -1);\n\t\ttif->tif_flags |= TIFF_CODERSETUP;\n\t}\n\ttif->tif_rawcc = 0;\n\ttif->tif_rawcp = tif->tif_rawdata;\n\tif( td->td_stripbytecount[strip] > 0 )\n {\n tif->tif_curoff = 0;\n }\n\ttif->tif_flags &= ~TIFF_POSTENCODE;\n\tsample = (uint16)(strip / td->td_stripsperimage);\n\tif (!(*tif->tif_preencode)(tif, sample))\n\t\treturn ((tmsize_t) -1);\n\ttif->tif_postdecode( tif, (uint8*) data, cc );\n\tif (!(*tif->tif_encodestrip)(tif, (uint8*) data, cc, sample))\n\t\treturn (0);\n\tif (!(*tif->tif_postencode)(tif))\n\t\treturn ((tmsize_t) -1);\n\tif (!isFillOrder(tif, td->td_fillorder) &&\n\t (tif->tif_flags & TIFF_NOBITREV) == 0)\n\t\tTIFFReverseBits(tif->tif_rawdata, tif->tif_rawcc);\n\tif (tif->tif_rawcc > 0 &&\n\t !TIFFAppendToStrip(tif, strip, tif->tif_rawdata, tif->tif_rawcc))\n\t\treturn ((tmsize_t) -1);\n\ttif->tif_rawcc = 0;\n\ttif->tif_rawcp = tif->tif_rawdata;\n\treturn (cc);\n}', 'int\nTIFFWriteCheck(TIFF* tif, int tiles, const char* module)\n{\n\tif (tif->tif_mode == O_RDONLY) {\n\t\tTIFFErrorExt(tif->tif_clientdata, module, "File not open for writing");\n\t\treturn (0);\n\t}\n\tif (tiles ^ isTiled(tif)) {\n\t\tTIFFErrorExt(tif->tif_clientdata, module, tiles ?\n\t\t "Can not write tiles to a stripped image" :\n\t\t "Can not write scanlines to a tiled image");\n\t\treturn (0);\n\t}\n\tif (!TIFFFieldSet(tif, FIELD_IMAGEDIMENSIONS)) {\n\t\tTIFFErrorExt(tif->tif_clientdata, module,\n\t\t "Must set \\"ImageWidth\\" before writing data");\n\t\treturn (0);\n\t}\n\tif (tif->tif_dir.td_samplesperpixel == 1) {\n\t\tif (!TIFFFieldSet(tif, FIELD_PLANARCONFIG))\n tif->tif_dir.td_planarconfig = PLANARCONFIG_CONTIG;\n\t} else {\n\t\tif (!TIFFFieldSet(tif, FIELD_PLANARCONFIG)) {\n\t\t\tTIFFErrorExt(tif->tif_clientdata, module,\n\t\t\t "Must set \\"PlanarConfiguration\\" before writing data");\n\t\t\treturn (0);\n\t\t}\n\t}\n\tif (tif->tif_dir.td_stripoffset == NULL && !TIFFSetupStrips(tif)) {\n\t\ttif->tif_dir.td_nstrips = 0;\n\t\tTIFFErrorExt(tif->tif_clientdata, module, "No space for %s arrays",\n\t\t isTiled(tif) ? "tile" : "strip");\n\t\treturn (0);\n\t}\n\tif (isTiled(tif))\n\t{\n\t\ttif->tif_tilesize = TIFFTileSize(tif);\n\t\tif (tif->tif_tilesize == 0)\n\t\t\treturn (0);\n\t}\n\telse\n\t\ttif->tif_tilesize = (tmsize_t)(-1);\n\ttif->tif_scanlinesize = TIFFScanlineSize(tif);\n\tif (tif->tif_scanlinesize == 0)\n\t\treturn (0);\n\ttif->tif_flags |= TIFF_BEENWRITING;\n\treturn (1);\n}', 'int\nTIFFSetupStrips(TIFF* tif)\n{\n\tTIFFDirectory* td = &tif->tif_dir;\n\tif (isTiled(tif))\n\t\ttd->td_stripsperimage =\n\t\t isUnspecified(tif, FIELD_TILEDIMENSIONS) ?\n\t\t\ttd->td_samplesperpixel : TIFFNumberOfTiles(tif);\n\telse\n\t\ttd->td_stripsperimage =\n\t\t isUnspecified(tif, FIELD_ROWSPERSTRIP) ?\n\t\t\ttd->td_samplesperpixel : TIFFNumberOfStrips(tif);\n\ttd->td_nstrips = td->td_stripsperimage;\n\tif (td->td_planarconfig == PLANARCONFIG_SEPARATE)\n\t\ttd->td_stripsperimage /= td->td_samplesperpixel;\n\ttd->td_stripoffset = (uint64 *)\n\t _TIFFmalloc(td->td_nstrips * sizeof (uint64));\n\ttd->td_stripbytecount = (uint64 *)\n\t _TIFFmalloc(td->td_nstrips * sizeof (uint64));\n\tif (td->td_stripoffset == NULL || td->td_stripbytecount == NULL)\n\t\treturn (0);\n\t_TIFFmemset(td->td_stripoffset, 0, td->td_nstrips*sizeof (uint64));\n\t_TIFFmemset(td->td_stripbytecount, 0, td->td_nstrips*sizeof (uint64));\n\tTIFFSetFieldBit(tif, FIELD_STRIPOFFSETS);\n\tTIFFSetFieldBit(tif, FIELD_STRIPBYTECOUNTS);\n\treturn (1);\n}', 'uint32\nTIFFNumberOfTiles(TIFF* tif)\n{\n\tTIFFDirectory *td = &tif->tif_dir;\n\tuint32 dx = td->td_tilewidth;\n\tuint32 dy = td->td_tilelength;\n\tuint32 dz = td->td_tiledepth;\n\tuint32 ntiles;\n\tif (dx == (uint32) -1)\n\t\tdx = td->td_imagewidth;\n\tif (dy == (uint32) -1)\n\t\tdy = td->td_imagelength;\n\tif (dz == (uint32) -1)\n\t\tdz = td->td_imagedepth;\n\tntiles = (dx == 0 || dy == 0 || dz == 0) ? 0 :\n\t _TIFFMultiply32(tif, _TIFFMultiply32(tif, TIFFhowmany_32(td->td_imagewidth, dx),\n\t TIFFhowmany_32(td->td_imagelength, dy),\n\t "TIFFNumberOfTiles"),\n\t TIFFhowmany_32(td->td_imagedepth, dz), "TIFFNumberOfTiles");\n\tif (td->td_planarconfig == PLANARCONFIG_SEPARATE)\n\t\tntiles = _TIFFMultiply32(tif, ntiles, td->td_samplesperpixel,\n\t\t "TIFFNumberOfTiles");\n\treturn (ntiles);\n}'] |
11,704 | 0 | https://github.com/nginx/nginx/blob/bcd78e22e97d4c870b5104d0c540caaa972176ed/src/http/modules/ngx_http_uwsgi_module.c/#L717 | static ngx_int_t
ngx_http_uwsgi_create_request(ngx_http_request_t *r)
{
u_char ch, *lowcase_key;
size_t key_len, val_len, len, allocated;
ngx_uint_t i, n, hash, header_params;
ngx_buf_t *b;
ngx_chain_t *cl, *body;
ngx_list_part_t *part;
ngx_table_elt_t *header, **ignored;
ngx_http_script_code_pt code;
ngx_http_script_engine_t e, le;
ngx_http_uwsgi_loc_conf_t *uwcf;
ngx_http_script_len_code_pt lcode;
len = 0;
header_params = 0;
ignored = NULL;
uwcf = ngx_http_get_module_loc_conf(r, ngx_http_uwsgi_module);
if (uwcf->params_len) {
ngx_memzero(&le, sizeof(ngx_http_script_engine_t));
ngx_http_script_flush_no_cacheable_variables(r, uwcf->flushes);
le.flushed = 1;
le.ip = uwcf->params_len->elts;
le.request = r;
while (*(uintptr_t *) le.ip) {
lcode = *(ngx_http_script_len_code_pt *) le.ip;
key_len = lcode(&le);
for (val_len = 0; *(uintptr_t *) le.ip; val_len += lcode (&le)) {
lcode = *(ngx_http_script_len_code_pt *) le.ip;
}
le.ip += sizeof(uintptr_t);
len += 2 + key_len + 2 + val_len;
}
}
if (uwcf->upstream.pass_request_headers) {
allocated = 0;
lowcase_key = NULL;
if (uwcf->header_params) {
ignored = ngx_palloc(r->pool, uwcf->header_params * sizeof(void *));
if (ignored == NULL) {
return NGX_ERROR;
}
}
part = &r->headers_in.headers.part;
header = part->elts;
for (i = 0; ; i++) {
if (i >= part->nelts) {
if (part->next == NULL) {
break;
}
part = part->next;
header = part->elts;
i = 0;
}
if (uwcf->header_params) {
if (allocated < header[i].key.len) {
allocated = header[i].key.len + 16;
lowcase_key = ngx_pnalloc(r->pool, allocated);
if (lowcase_key == NULL) {
return NGX_ERROR;
}
}
hash = 0;
for (n = 0; n < header[i].key.len; n++) {
ch = header[i].key.data[n];
if (ch >= 'A' && ch <= 'Z') {
ch |= 0x20;
} else if (ch == '-') {
ch = '_';
}
hash = ngx_hash(hash, ch);
lowcase_key[n] = ch;
}
if (ngx_hash_find(&uwcf->headers_hash, hash, lowcase_key, n)) {
ignored[header_params++] = &header[i];
continue;
}
}
len += 2 + sizeof("HTTP_") - 1 + header[i].key.len
+ 2 + header[i].value.len;
}
}
len += uwcf->uwsgi_string.len;
#if 0
if (len > 0 && len < 2) {
ngx_log_error (NGX_LOG_ALERT, r->connection->log, 0,
"uwsgi request is too little: %uz", len);
return NGX_ERROR;
}
#endif
b = ngx_create_temp_buf(r->pool, len + 4);
if (b == NULL) {
return NGX_ERROR;
}
cl = ngx_alloc_chain_link(r->pool);
if (cl == NULL) {
return NGX_ERROR;
}
cl->buf = b;
*b->last++ = (u_char) uwcf->modifier1;
*b->last++ = (u_char) (len & 0xff);
*b->last++ = (u_char) ((len >> 8) & 0xff);
*b->last++ = (u_char) uwcf->modifier2;
if (uwcf->params_len) {
ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
e.ip = uwcf->params->elts;
e.pos = b->last;
e.request = r;
e.flushed = 1;
le.ip = uwcf->params_len->elts;
while (*(uintptr_t *) le.ip) {
lcode = *(ngx_http_script_len_code_pt *) le.ip;
key_len = (u_char) lcode (&le);
for (val_len = 0; *(uintptr_t *) le.ip; val_len += lcode(&le)) {
lcode = *(ngx_http_script_len_code_pt *) le.ip;
}
le.ip += sizeof(uintptr_t);
*e.pos++ = (u_char) (key_len & 0xff);
*e.pos++ = (u_char) ((key_len >> 8) & 0xff);
code = *(ngx_http_script_code_pt *) e.ip;
code((ngx_http_script_engine_t *) & e);
*e.pos++ = (u_char) (val_len & 0xff);
*e.pos++ = (u_char) ((val_len >> 8) & 0xff);
while (*(uintptr_t *) e.ip) {
code = *(ngx_http_script_code_pt *) e.ip;
code((ngx_http_script_engine_t *) & e);
}
e.ip += sizeof(uintptr_t);
ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
"uwsgi param: \"%*s: %*s\"",
key_len, e.pos - (key_len + 2 + val_len),
val_len, e.pos - val_len);
}
b->last = e.pos;
}
if (uwcf->upstream.pass_request_headers) {
part = &r->headers_in.headers.part;
header = part->elts;
for (i = 0; ; i++) {
if (i >= part->nelts) {
if (part->next == NULL) {
break;
}
part = part->next;
header = part->elts;
i = 0;
}
for (n = 0; n < header_params; n++) {
if (&header[i] == ignored[n]) {
goto next;
}
}
key_len = sizeof("HTTP_") - 1 + header[i].key.len;
*b->last++ = (u_char) (key_len & 0xff);
*b->last++ = (u_char) ((key_len >> 8) & 0xff);
b->last = ngx_cpymem(b->last, "HTTP_", sizeof("HTTP_") - 1);
for (n = 0; n < header[i].key.len; n++) {
ch = header[i].key.data[n];
if (ch >= 'a' && ch <= 'z') {
ch &= ~0x20;
} else if (ch == '-') {
ch = '_';
}
*b->last++ = ch;
}
val_len = header[i].value.len;
*b->last++ = (u_char) (val_len & 0xff);
*b->last++ = (u_char) ((val_len >> 8) & 0xff);
b->last = ngx_copy(b->last, header[i].value.data, val_len);
ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
"uwsgi param: \"%*s: %*s\"",
key_len, b->last - (key_len + 2 + val_len),
val_len, b->last - val_len);
next:
continue;
}
}
b->last = ngx_copy(b->last, uwcf->uwsgi_string.data,
uwcf->uwsgi_string.len);
if (uwcf->upstream.pass_request_body) {
body = r->upstream->request_bufs;
r->upstream->request_bufs = cl;
while (body) {
b = ngx_alloc_buf(r->pool);
if (b == NULL) {
return NGX_ERROR;
}
ngx_memcpy(b, body->buf, sizeof(ngx_buf_t));
cl->next = ngx_alloc_chain_link(r->pool);
if (cl->next == NULL) {
return NGX_ERROR;
}
cl = cl->next;
cl->buf = b;
body = body->next;
}
} else {
r->upstream->request_bufs = cl;
}
cl->next = NULL;
return NGX_OK;
} | ['static ngx_int_t\nngx_http_uwsgi_create_request(ngx_http_request_t *r)\n{\n u_char ch, *lowcase_key;\n size_t key_len, val_len, len, allocated;\n ngx_uint_t i, n, hash, header_params;\n ngx_buf_t *b;\n ngx_chain_t *cl, *body;\n ngx_list_part_t *part;\n ngx_table_elt_t *header, **ignored;\n ngx_http_script_code_pt code;\n ngx_http_script_engine_t e, le;\n ngx_http_uwsgi_loc_conf_t *uwcf;\n ngx_http_script_len_code_pt lcode;\n len = 0;\n header_params = 0;\n ignored = NULL;\n uwcf = ngx_http_get_module_loc_conf(r, ngx_http_uwsgi_module);\n if (uwcf->params_len) {\n ngx_memzero(&le, sizeof(ngx_http_script_engine_t));\n ngx_http_script_flush_no_cacheable_variables(r, uwcf->flushes);\n le.flushed = 1;\n le.ip = uwcf->params_len->elts;\n le.request = r;\n while (*(uintptr_t *) le.ip) {\n lcode = *(ngx_http_script_len_code_pt *) le.ip;\n key_len = lcode(&le);\n for (val_len = 0; *(uintptr_t *) le.ip; val_len += lcode (&le)) {\n lcode = *(ngx_http_script_len_code_pt *) le.ip;\n }\n le.ip += sizeof(uintptr_t);\n len += 2 + key_len + 2 + val_len;\n }\n }\n if (uwcf->upstream.pass_request_headers) {\n allocated = 0;\n lowcase_key = NULL;\n if (uwcf->header_params) {\n ignored = ngx_palloc(r->pool, uwcf->header_params * sizeof(void *));\n if (ignored == NULL) {\n return NGX_ERROR;\n }\n }\n part = &r->headers_in.headers.part;\n header = part->elts;\n for (i = 0; ; i++) {\n if (i >= part->nelts) {\n if (part->next == NULL) {\n break;\n }\n part = part->next;\n header = part->elts;\n i = 0;\n }\n if (uwcf->header_params) {\n if (allocated < header[i].key.len) {\n allocated = header[i].key.len + 16;\n lowcase_key = ngx_pnalloc(r->pool, allocated);\n if (lowcase_key == NULL) {\n return NGX_ERROR;\n }\n }\n hash = 0;\n for (n = 0; n < header[i].key.len; n++) {\n ch = header[i].key.data[n];\n if (ch >= \'A\' && ch <= \'Z\') {\n ch |= 0x20;\n } else if (ch == \'-\') {\n ch = \'_\';\n }\n hash = ngx_hash(hash, ch);\n lowcase_key[n] = ch;\n }\n if (ngx_hash_find(&uwcf->headers_hash, hash, lowcase_key, n)) {\n ignored[header_params++] = &header[i];\n continue;\n }\n }\n len += 2 + sizeof("HTTP_") - 1 + header[i].key.len\n + 2 + header[i].value.len;\n }\n }\n len += uwcf->uwsgi_string.len;\n#if 0\n if (len > 0 && len < 2) {\n ngx_log_error (NGX_LOG_ALERT, r->connection->log, 0,\n "uwsgi request is too little: %uz", len);\n return NGX_ERROR;\n }\n#endif\n b = ngx_create_temp_buf(r->pool, len + 4);\n if (b == NULL) {\n return NGX_ERROR;\n }\n cl = ngx_alloc_chain_link(r->pool);\n if (cl == NULL) {\n return NGX_ERROR;\n }\n cl->buf = b;\n *b->last++ = (u_char) uwcf->modifier1;\n *b->last++ = (u_char) (len & 0xff);\n *b->last++ = (u_char) ((len >> 8) & 0xff);\n *b->last++ = (u_char) uwcf->modifier2;\n if (uwcf->params_len) {\n ngx_memzero(&e, sizeof(ngx_http_script_engine_t));\n e.ip = uwcf->params->elts;\n e.pos = b->last;\n e.request = r;\n e.flushed = 1;\n le.ip = uwcf->params_len->elts;\n while (*(uintptr_t *) le.ip) {\n lcode = *(ngx_http_script_len_code_pt *) le.ip;\n key_len = (u_char) lcode (&le);\n for (val_len = 0; *(uintptr_t *) le.ip; val_len += lcode(&le)) {\n lcode = *(ngx_http_script_len_code_pt *) le.ip;\n }\n le.ip += sizeof(uintptr_t);\n *e.pos++ = (u_char) (key_len & 0xff);\n *e.pos++ = (u_char) ((key_len >> 8) & 0xff);\n code = *(ngx_http_script_code_pt *) e.ip;\n code((ngx_http_script_engine_t *) & e);\n *e.pos++ = (u_char) (val_len & 0xff);\n *e.pos++ = (u_char) ((val_len >> 8) & 0xff);\n while (*(uintptr_t *) e.ip) {\n code = *(ngx_http_script_code_pt *) e.ip;\n code((ngx_http_script_engine_t *) & e);\n }\n e.ip += sizeof(uintptr_t);\n ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,\n "uwsgi param: \\"%*s: %*s\\"",\n key_len, e.pos - (key_len + 2 + val_len),\n val_len, e.pos - val_len);\n }\n b->last = e.pos;\n }\n if (uwcf->upstream.pass_request_headers) {\n part = &r->headers_in.headers.part;\n header = part->elts;\n for (i = 0; ; i++) {\n if (i >= part->nelts) {\n if (part->next == NULL) {\n break;\n }\n part = part->next;\n header = part->elts;\n i = 0;\n }\n for (n = 0; n < header_params; n++) {\n if (&header[i] == ignored[n]) {\n goto next;\n }\n }\n key_len = sizeof("HTTP_") - 1 + header[i].key.len;\n *b->last++ = (u_char) (key_len & 0xff);\n *b->last++ = (u_char) ((key_len >> 8) & 0xff);\n b->last = ngx_cpymem(b->last, "HTTP_", sizeof("HTTP_") - 1);\n for (n = 0; n < header[i].key.len; n++) {\n ch = header[i].key.data[n];\n if (ch >= \'a\' && ch <= \'z\') {\n ch &= ~0x20;\n } else if (ch == \'-\') {\n ch = \'_\';\n }\n *b->last++ = ch;\n }\n val_len = header[i].value.len;\n *b->last++ = (u_char) (val_len & 0xff);\n *b->last++ = (u_char) ((val_len >> 8) & 0xff);\n b->last = ngx_copy(b->last, header[i].value.data, val_len);\n ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,\n "uwsgi param: \\"%*s: %*s\\"",\n key_len, b->last - (key_len + 2 + val_len),\n val_len, b->last - val_len);\n next:\n continue;\n }\n }\n b->last = ngx_copy(b->last, uwcf->uwsgi_string.data,\n uwcf->uwsgi_string.len);\n if (uwcf->upstream.pass_request_body) {\n body = r->upstream->request_bufs;\n r->upstream->request_bufs = cl;\n while (body) {\n b = ngx_alloc_buf(r->pool);\n if (b == NULL) {\n return NGX_ERROR;\n }\n ngx_memcpy(b, body->buf, sizeof(ngx_buf_t));\n cl->next = ngx_alloc_chain_link(r->pool);\n if (cl->next == NULL) {\n return NGX_ERROR;\n }\n cl = cl->next;\n cl->buf = b;\n body = body->next;\n }\n } else {\n r->upstream->request_bufs = cl;\n }\n cl->next = NULL;\n return NGX_OK;\n}', 'ngx_buf_t *\nngx_create_temp_buf(ngx_pool_t *pool, size_t size)\n{\n ngx_buf_t *b;\n b = ngx_calloc_buf(pool);\n if (b == NULL) {\n return NULL;\n }\n b->start = ngx_palloc(pool, size);\n if (b->start == NULL) {\n return NULL;\n }\n b->pos = b->start;\n b->last = b->start;\n b->end = b->last + size;\n b->temporary = 1;\n return b;\n}', 'void *\nngx_palloc(ngx_pool_t *pool, size_t size)\n{\n u_char *m;\n ngx_pool_t *p;\n if (size <= pool->max) {\n p = pool->current;\n do {\n m = ngx_align_ptr(p->d.last, NGX_ALIGNMENT);\n if ((size_t) (p->d.end - m) >= size) {\n p->d.last = m + size;\n return m;\n }\n p = p->d.next;\n } while (p);\n return ngx_palloc_block(pool, size);\n }\n return ngx_palloc_large(pool, size);\n}'] |
11,705 | 0 | https://github.com/openssl/openssl/blob/e02c519cd32a55e6ad39a0cfbeeda775f9115f28/crypto/bn/bn_mont.c/#L345 | int BN_MONT_CTX_set(BN_MONT_CTX *mont, const BIGNUM *mod, BN_CTX *ctx)
{
int i, ret = 0;
BIGNUM *Ri, *R;
if (BN_is_zero(mod))
return 0;
BN_CTX_start(ctx);
if ((Ri = BN_CTX_get(ctx)) == NULL)
goto err;
R = &(mont->RR);
if (!BN_copy(&(mont->N), mod))
goto err;
if (BN_get_flags(mod, BN_FLG_CONSTTIME) != 0)
BN_set_flags(&(mont->N), BN_FLG_CONSTTIME);
mont->N.neg = 0;
#ifdef MONT_WORD
{
BIGNUM tmod;
BN_ULONG buf[2];
bn_init(&tmod);
tmod.d = buf;
tmod.dmax = 2;
tmod.neg = 0;
if (BN_get_flags(mod, BN_FLG_CONSTTIME) != 0)
BN_set_flags(&tmod, BN_FLG_CONSTTIME);
mont->ri = (BN_num_bits(mod) + (BN_BITS2 - 1)) / BN_BITS2 * BN_BITS2;
# if defined(OPENSSL_BN_ASM_MONT) && (BN_BITS2<=32)
BN_zero(R);
if (!(BN_set_bit(R, 2 * BN_BITS2)))
goto err;
tmod.top = 0;
if ((buf[0] = mod->d[0]))
tmod.top = 1;
if ((buf[1] = mod->top > 1 ? mod->d[1] : 0))
tmod.top = 2;
if (BN_is_one(&tmod))
BN_zero(Ri);
else if ((BN_mod_inverse(Ri, R, &tmod, ctx)) == NULL)
goto err;
if (!BN_lshift(Ri, Ri, 2 * BN_BITS2))
goto err;
if (!BN_is_zero(Ri)) {
if (!BN_sub_word(Ri, 1))
goto err;
} else {
if (bn_expand(Ri, (int)sizeof(BN_ULONG) * 2) == NULL)
goto err;
Ri->neg = 0;
Ri->d[0] = BN_MASK2;
Ri->d[1] = BN_MASK2;
Ri->top = 2;
}
if (!BN_div(Ri, NULL, Ri, &tmod, ctx))
goto err;
mont->n0[0] = (Ri->top > 0) ? Ri->d[0] : 0;
mont->n0[1] = (Ri->top > 1) ? Ri->d[1] : 0;
# else
BN_zero(R);
if (!(BN_set_bit(R, BN_BITS2)))
goto err;
buf[0] = mod->d[0];
buf[1] = 0;
tmod.top = buf[0] != 0 ? 1 : 0;
if (BN_is_one(&tmod))
BN_zero(Ri);
else if ((BN_mod_inverse(Ri, R, &tmod, ctx)) == NULL)
goto err;
if (!BN_lshift(Ri, Ri, BN_BITS2))
goto err;
if (!BN_is_zero(Ri)) {
if (!BN_sub_word(Ri, 1))
goto err;
} else {
if (!BN_set_word(Ri, BN_MASK2))
goto err;
}
if (!BN_div(Ri, NULL, Ri, &tmod, ctx))
goto err;
mont->n0[0] = (Ri->top > 0) ? Ri->d[0] : 0;
mont->n0[1] = 0;
# endif
}
#else
{
mont->ri = BN_num_bits(&mont->N);
BN_zero(R);
if (!BN_set_bit(R, mont->ri))
goto err;
if ((BN_mod_inverse(Ri, R, &mont->N, ctx)) == NULL)
goto err;
if (!BN_lshift(Ri, Ri, mont->ri))
goto err;
if (!BN_sub_word(Ri, 1))
goto err;
if (!BN_div(&(mont->Ni), NULL, Ri, &mont->N, ctx))
goto err;
}
#endif
BN_zero(&(mont->RR));
if (!BN_set_bit(&(mont->RR), mont->ri * 2))
goto err;
if (!BN_mod(&(mont->RR), &(mont->RR), &(mont->N), ctx))
goto err;
for (i = mont->RR.top, ret = mont->N.top; i < ret; i++)
mont->RR.d[i] = 0;
mont->RR.top = ret;
mont->RR.flags |= BN_FLG_FIXED_TOP;
ret = 1;
err:
BN_CTX_end(ctx);
return ret;
} | ['static int rsa_ossl_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa, BN_CTX *ctx)\n{\n BIGNUM *r1, *m1, *vrfy, *r2, *m[RSA_MAX_PRIME_NUM - 2];\n int ret = 0, i, ex_primes = 0, smooth = 0;\n RSA_PRIME_INFO *pinfo;\n BN_CTX_start(ctx);\n r1 = BN_CTX_get(ctx);\n r2 = BN_CTX_get(ctx);\n m1 = BN_CTX_get(ctx);\n vrfy = BN_CTX_get(ctx);\n if (vrfy == NULL)\n goto err;\n if (rsa->version == RSA_ASN1_VERSION_MULTI\n && ((ex_primes = sk_RSA_PRIME_INFO_num(rsa->prime_infos)) <= 0\n || ex_primes > RSA_MAX_PRIME_NUM - 2))\n goto err;\n if (rsa->flags & RSA_FLAG_CACHE_PRIVATE) {\n BIGNUM *factor = BN_new();\n if (factor == NULL)\n goto err;\n if (!(BN_with_flags(factor, rsa->p, BN_FLG_CONSTTIME),\n BN_MONT_CTX_set_locked(&rsa->_method_mod_p, rsa->lock,\n factor, ctx))\n || !(BN_with_flags(factor, rsa->q, BN_FLG_CONSTTIME),\n BN_MONT_CTX_set_locked(&rsa->_method_mod_q, rsa->lock,\n factor, ctx))) {\n BN_free(factor);\n goto err;\n }\n for (i = 0; i < ex_primes; i++) {\n pinfo = sk_RSA_PRIME_INFO_value(rsa->prime_infos, i);\n BN_with_flags(factor, pinfo->r, BN_FLG_CONSTTIME);\n if (!BN_MONT_CTX_set_locked(&pinfo->m, rsa->lock, factor, ctx)) {\n BN_free(factor);\n goto err;\n }\n }\n BN_free(factor);\n smooth = (ex_primes == 0)\n && (rsa->meth->bn_mod_exp == BN_mod_exp_mont)\n && (BN_num_bits(rsa->q) == BN_num_bits(rsa->p));\n }\n if (rsa->flags & RSA_FLAG_CACHE_PUBLIC)\n if (!BN_MONT_CTX_set_locked(&rsa->_method_mod_n, rsa->lock,\n rsa->n, ctx))\n goto err;\n if (smooth) {\n if (\n !bn_from_mont_fixed_top(m1, I, rsa->_method_mod_q, ctx)\n || !bn_to_mont_fixed_top(m1, m1, rsa->_method_mod_q, ctx)\n || !BN_mod_exp_mont_consttime(m1, m1, rsa->dmq1, rsa->q, ctx,\n rsa->_method_mod_q)\n || !bn_from_mont_fixed_top(r1, I, rsa->_method_mod_p, ctx)\n || !bn_to_mont_fixed_top(r1, r1, rsa->_method_mod_p, ctx)\n || !BN_mod_exp_mont_consttime(r1, r1, rsa->dmp1, rsa->p, ctx,\n rsa->_method_mod_p)\n || !bn_mod_sub_fixed_top(r1, r1, m1, rsa->p)\n || !bn_to_mont_fixed_top(r1, r1, rsa->_method_mod_p, ctx)\n || !bn_mul_mont_fixed_top(r1, r1, rsa->iqmp, rsa->_method_mod_p,\n ctx)\n || !bn_mul_fixed_top(r0, r1, rsa->q, ctx)\n || !bn_mod_add_fixed_top(r0, r0, m1, rsa->n))\n goto err;\n goto tail;\n }\n {\n BIGNUM *c = BN_new();\n if (c == NULL)\n goto err;\n BN_with_flags(c, I, BN_FLG_CONSTTIME);\n if (!BN_mod(r1, c, rsa->q, ctx)) {\n BN_free(c);\n goto err;\n }\n {\n BIGNUM *dmq1 = BN_new();\n if (dmq1 == NULL) {\n BN_free(c);\n goto err;\n }\n BN_with_flags(dmq1, rsa->dmq1, BN_FLG_CONSTTIME);\n if (!rsa->meth->bn_mod_exp(m1, r1, dmq1, rsa->q, ctx,\n rsa->_method_mod_q)) {\n BN_free(c);\n BN_free(dmq1);\n goto err;\n }\n BN_free(dmq1);\n }\n if (!BN_mod(r1, c, rsa->p, ctx)) {\n BN_free(c);\n goto err;\n }\n BN_free(c);\n }\n {\n BIGNUM *dmp1 = BN_new();\n if (dmp1 == NULL)\n goto err;\n BN_with_flags(dmp1, rsa->dmp1, BN_FLG_CONSTTIME);\n if (!rsa->meth->bn_mod_exp(r0, r1, dmp1, rsa->p, ctx,\n rsa->_method_mod_p)) {\n BN_free(dmp1);\n goto err;\n }\n BN_free(dmp1);\n }\n if (ex_primes > 0) {\n BIGNUM *di = BN_new(), *cc = BN_new();\n if (cc == NULL || di == NULL) {\n BN_free(cc);\n BN_free(di);\n goto err;\n }\n for (i = 0; i < ex_primes; i++) {\n if ((m[i] = BN_CTX_get(ctx)) == NULL) {\n BN_free(cc);\n BN_free(di);\n goto err;\n }\n pinfo = sk_RSA_PRIME_INFO_value(rsa->prime_infos, i);\n BN_with_flags(cc, I, BN_FLG_CONSTTIME);\n BN_with_flags(di, pinfo->d, BN_FLG_CONSTTIME);\n if (!BN_mod(r1, cc, pinfo->r, ctx)) {\n BN_free(cc);\n BN_free(di);\n goto err;\n }\n if (!rsa->meth->bn_mod_exp(m[i], r1, di, pinfo->r, ctx, pinfo->m)) {\n BN_free(cc);\n BN_free(di);\n goto err;\n }\n }\n BN_free(cc);\n BN_free(di);\n }\n if (!BN_sub(r0, r0, m1))\n goto err;\n if (BN_is_negative(r0))\n if (!BN_add(r0, r0, rsa->p))\n goto err;\n if (!BN_mul(r1, r0, rsa->iqmp, ctx))\n goto err;\n {\n BIGNUM *pr1 = BN_new();\n if (pr1 == NULL)\n goto err;\n BN_with_flags(pr1, r1, BN_FLG_CONSTTIME);\n if (!BN_mod(r0, pr1, rsa->p, ctx)) {\n BN_free(pr1);\n goto err;\n }\n BN_free(pr1);\n }\n if (BN_is_negative(r0))\n if (!BN_add(r0, r0, rsa->p))\n goto err;\n if (!BN_mul(r1, r0, rsa->q, ctx))\n goto err;\n if (!BN_add(r0, r1, m1))\n goto err;\n if (ex_primes > 0) {\n BIGNUM *pr2 = BN_new();\n if (pr2 == NULL)\n goto err;\n for (i = 0; i < ex_primes; i++) {\n pinfo = sk_RSA_PRIME_INFO_value(rsa->prime_infos, i);\n if (!BN_sub(r1, m[i], r0)) {\n BN_free(pr2);\n goto err;\n }\n if (!BN_mul(r2, r1, pinfo->t, ctx)) {\n BN_free(pr2);\n goto err;\n }\n BN_with_flags(pr2, r2, BN_FLG_CONSTTIME);\n if (!BN_mod(r1, pr2, pinfo->r, ctx)) {\n BN_free(pr2);\n goto err;\n }\n if (BN_is_negative(r1))\n if (!BN_add(r1, r1, pinfo->r)) {\n BN_free(pr2);\n goto err;\n }\n if (!BN_mul(r1, r1, pinfo->pp, ctx)) {\n BN_free(pr2);\n goto err;\n }\n if (!BN_add(r0, r0, r1)) {\n BN_free(pr2);\n goto err;\n }\n }\n BN_free(pr2);\n }\n tail:\n if (rsa->e && rsa->n) {\n if (rsa->meth->bn_mod_exp == BN_mod_exp_mont) {\n if (!BN_mod_exp_mont(vrfy, r0, rsa->e, rsa->n, ctx,\n rsa->_method_mod_n))\n goto err;\n } else {\n bn_correct_top(r0);\n if (!rsa->meth->bn_mod_exp(vrfy, r0, rsa->e, rsa->n, ctx,\n rsa->_method_mod_n))\n goto err;\n }\n if (!BN_sub(vrfy, vrfy, I))\n goto err;\n if (BN_is_zero(vrfy)) {\n bn_correct_top(r0);\n ret = 1;\n goto err;\n }\n if (!BN_mod(vrfy, vrfy, rsa->n, ctx))\n goto err;\n if (BN_is_negative(vrfy))\n if (!BN_add(vrfy, vrfy, rsa->n))\n goto err;\n if (!BN_is_zero(vrfy)) {\n BIGNUM *d = BN_new();\n if (d == NULL)\n goto err;\n BN_with_flags(d, rsa->d, BN_FLG_CONSTTIME);\n if (!rsa->meth->bn_mod_exp(r0, I, d, rsa->n, ctx,\n rsa->_method_mod_n)) {\n BN_free(d);\n goto err;\n }\n BN_free(d);\n }\n }\n bn_correct_top(r0);\n ret = 1;\n err:\n BN_CTX_end(ctx);\n return ret;\n}', 'void BN_with_flags(BIGNUM *dest, const BIGNUM *b, int flags)\n{\n dest->d = b->d;\n dest->top = b->top;\n dest->dmax = b->dmax;\n dest->neg = b->neg;\n dest->flags = ((dest->flags & BN_FLG_MALLOCED)\n | (b->flags & ~BN_FLG_MALLOCED)\n | BN_FLG_STATIC_DATA | flags);\n}', 'BN_MONT_CTX *BN_MONT_CTX_set_locked(BN_MONT_CTX **pmont, CRYPTO_RWLOCK *lock,\n const BIGNUM *mod, BN_CTX *ctx)\n{\n BN_MONT_CTX *ret;\n CRYPTO_THREAD_read_lock(lock);\n ret = *pmont;\n CRYPTO_THREAD_unlock(lock);\n if (ret)\n return ret;\n ret = BN_MONT_CTX_new();\n if (ret == NULL)\n return NULL;\n if (!BN_MONT_CTX_set(ret, mod, ctx)) {\n BN_MONT_CTX_free(ret);\n return NULL;\n }\n CRYPTO_THREAD_write_lock(lock);\n if (*pmont) {\n BN_MONT_CTX_free(ret);\n ret = *pmont;\n } else\n *pmont = ret;\n CRYPTO_THREAD_unlock(lock);\n return ret;\n}', 'int BN_MONT_CTX_set(BN_MONT_CTX *mont, const BIGNUM *mod, BN_CTX *ctx)\n{\n int i, ret = 0;\n BIGNUM *Ri, *R;\n if (BN_is_zero(mod))\n return 0;\n BN_CTX_start(ctx);\n if ((Ri = BN_CTX_get(ctx)) == NULL)\n goto err;\n R = &(mont->RR);\n if (!BN_copy(&(mont->N), mod))\n goto err;\n if (BN_get_flags(mod, BN_FLG_CONSTTIME) != 0)\n BN_set_flags(&(mont->N), BN_FLG_CONSTTIME);\n mont->N.neg = 0;\n#ifdef MONT_WORD\n {\n BIGNUM tmod;\n BN_ULONG buf[2];\n bn_init(&tmod);\n tmod.d = buf;\n tmod.dmax = 2;\n tmod.neg = 0;\n if (BN_get_flags(mod, BN_FLG_CONSTTIME) != 0)\n BN_set_flags(&tmod, BN_FLG_CONSTTIME);\n mont->ri = (BN_num_bits(mod) + (BN_BITS2 - 1)) / BN_BITS2 * BN_BITS2;\n# if defined(OPENSSL_BN_ASM_MONT) && (BN_BITS2<=32)\n BN_zero(R);\n if (!(BN_set_bit(R, 2 * BN_BITS2)))\n goto err;\n tmod.top = 0;\n if ((buf[0] = mod->d[0]))\n tmod.top = 1;\n if ((buf[1] = mod->top > 1 ? mod->d[1] : 0))\n tmod.top = 2;\n if (BN_is_one(&tmod))\n BN_zero(Ri);\n else if ((BN_mod_inverse(Ri, R, &tmod, ctx)) == NULL)\n goto err;\n if (!BN_lshift(Ri, Ri, 2 * BN_BITS2))\n goto err;\n if (!BN_is_zero(Ri)) {\n if (!BN_sub_word(Ri, 1))\n goto err;\n } else {\n if (bn_expand(Ri, (int)sizeof(BN_ULONG) * 2) == NULL)\n goto err;\n Ri->neg = 0;\n Ri->d[0] = BN_MASK2;\n Ri->d[1] = BN_MASK2;\n Ri->top = 2;\n }\n if (!BN_div(Ri, NULL, Ri, &tmod, ctx))\n goto err;\n mont->n0[0] = (Ri->top > 0) ? Ri->d[0] : 0;\n mont->n0[1] = (Ri->top > 1) ? Ri->d[1] : 0;\n# else\n BN_zero(R);\n if (!(BN_set_bit(R, BN_BITS2)))\n goto err;\n buf[0] = mod->d[0];\n buf[1] = 0;\n tmod.top = buf[0] != 0 ? 1 : 0;\n if (BN_is_one(&tmod))\n BN_zero(Ri);\n else if ((BN_mod_inverse(Ri, R, &tmod, ctx)) == NULL)\n goto err;\n if (!BN_lshift(Ri, Ri, BN_BITS2))\n goto err;\n if (!BN_is_zero(Ri)) {\n if (!BN_sub_word(Ri, 1))\n goto err;\n } else {\n if (!BN_set_word(Ri, BN_MASK2))\n goto err;\n }\n if (!BN_div(Ri, NULL, Ri, &tmod, ctx))\n goto err;\n mont->n0[0] = (Ri->top > 0) ? Ri->d[0] : 0;\n mont->n0[1] = 0;\n# endif\n }\n#else\n {\n mont->ri = BN_num_bits(&mont->N);\n BN_zero(R);\n if (!BN_set_bit(R, mont->ri))\n goto err;\n if ((BN_mod_inverse(Ri, R, &mont->N, ctx)) == NULL)\n goto err;\n if (!BN_lshift(Ri, Ri, mont->ri))\n goto err;\n if (!BN_sub_word(Ri, 1))\n goto err;\n if (!BN_div(&(mont->Ni), NULL, Ri, &mont->N, ctx))\n goto err;\n }\n#endif\n BN_zero(&(mont->RR));\n if (!BN_set_bit(&(mont->RR), mont->ri * 2))\n goto err;\n if (!BN_mod(&(mont->RR), &(mont->RR), &(mont->N), ctx))\n goto err;\n for (i = mont->RR.top, ret = mont->N.top; i < ret; i++)\n mont->RR.d[i] = 0;\n mont->RR.top = ret;\n mont->RR.flags |= BN_FLG_FIXED_TOP;\n ret = 1;\n err:\n BN_CTX_end(ctx);\n return ret;\n}'] |
11,706 | 0 | https://github.com/openssl/openssl/blob/fd22ab9edf497ad7d98897377ee798953845d022/crypto/modes/gcm128.c/#L1486 | int CRYPTO_gcm128_encrypt_ctr32(GCM128_CONTEXT *ctx,
const unsigned char *in, unsigned char *out,
size_t len, ctr128_f stream)
{
#if defined(OPENSSL_SMALL_FOOTPRINT)
return CRYPTO_gcm128_encrypt(ctx, in, out, len);
#else
const union {
long one;
char little;
} is_endian = { 1 };
unsigned int n, ctr;
size_t i;
u64 mlen = ctx->len.u[1];
void *key = ctx->key;
# ifdef GCM_FUNCREF_4BIT
void (*gcm_gmult_p) (u64 Xi[2], const u128 Htable[16]) = ctx->gmult;
# ifdef GHASH
void (*gcm_ghash_p) (u64 Xi[2], const u128 Htable[16],
const u8 *inp, size_t len) = ctx->ghash;
# endif
# endif
mlen += len;
if (mlen > ((U64(1) << 36) - 32) || (sizeof(len) == 8 && mlen < len))
return -1;
ctx->len.u[1] = mlen;
if (ctx->ares) {
GCM_MUL(ctx, Xi);
ctx->ares = 0;
}
if (is_endian.little)
# ifdef BSWAP4
ctr = BSWAP4(ctx->Yi.d[3]);
# else
ctr = GETU32(ctx->Yi.c + 12);
# endif
else
ctr = ctx->Yi.d[3];
n = ctx->mres;
if (n) {
while (n && len) {
ctx->Xi.c[n] ^= *(out++) = *(in++) ^ ctx->EKi.c[n];
--len;
n = (n + 1) % 16;
}
if (n == 0)
GCM_MUL(ctx, Xi);
else {
ctx->mres = n;
return 0;
}
}
# if defined(GHASH) && defined(GHASH_CHUNK)
while (len >= GHASH_CHUNK) {
(*stream) (in, out, GHASH_CHUNK / 16, key, ctx->Yi.c);
ctr += GHASH_CHUNK / 16;
if (is_endian.little)
# ifdef BSWAP4
ctx->Yi.d[3] = BSWAP4(ctr);
# else
PUTU32(ctx->Yi.c + 12, ctr);
# endif
else
ctx->Yi.d[3] = ctr;
GHASH(ctx, out, GHASH_CHUNK);
out += GHASH_CHUNK;
in += GHASH_CHUNK;
len -= GHASH_CHUNK;
}
# endif
if ((i = (len & (size_t)-16))) {
size_t j = i / 16;
(*stream) (in, out, j, key, ctx->Yi.c);
ctr += (unsigned int)j;
if (is_endian.little)
# ifdef BSWAP4
ctx->Yi.d[3] = BSWAP4(ctr);
# else
PUTU32(ctx->Yi.c + 12, ctr);
# endif
else
ctx->Yi.d[3] = ctr;
in += i;
len -= i;
# if defined(GHASH)
GHASH(ctx, out, i);
out += i;
# else
while (j--) {
for (i = 0; i < 16; ++i)
ctx->Xi.c[i] ^= out[i];
GCM_MUL(ctx, Xi);
out += 16;
}
# endif
}
if (len) {
(*ctx->block) (ctx->Yi.c, ctx->EKi.c, key);
++ctr;
if (is_endian.little)
# ifdef BSWAP4
ctx->Yi.d[3] = BSWAP4(ctr);
# else
PUTU32(ctx->Yi.c + 12, ctr);
# endif
else
ctx->Yi.d[3] = ctr;
while (len--) {
ctx->Xi.c[n] ^= out[n] = in[n] ^ ctx->EKi.c[n];
++n;
}
}
ctx->mres = n;
return 0;
#endif
} | ['static int aes_gcm_tls_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,\n const unsigned char *in, size_t len)\n{\n EVP_AES_GCM_CTX *gctx = ctx->cipher_data;\n int rv = -1;\n if (out != in\n || len < (EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN))\n return -1;\n if (EVP_CIPHER_CTX_ctrl(ctx, ctx->encrypt ?\n EVP_CTRL_GCM_IV_GEN : EVP_CTRL_GCM_SET_IV_INV,\n EVP_GCM_TLS_EXPLICIT_IV_LEN, out) <= 0)\n goto err;\n if (CRYPTO_gcm128_aad(&gctx->gcm, ctx->buf, gctx->tls_aad_len))\n goto err;\n in += EVP_GCM_TLS_EXPLICIT_IV_LEN;\n out += EVP_GCM_TLS_EXPLICIT_IV_LEN;\n len -= EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN;\n if (ctx->encrypt) {\n if (gctx->ctr) {\n size_t bulk = 0;\n# if defined(AES_GCM_ASM)\n if (len >= 32 && AES_GCM_ASM(gctx)) {\n if (CRYPTO_gcm128_encrypt(&gctx->gcm, NULL, NULL, 0))\n return -1;\n bulk = AES_gcm_encrypt(in, out, len,\n gctx->gcm.key,\n gctx->gcm.Yi.c, gctx->gcm.Xi.u);\n gctx->gcm.len.u[1] += bulk;\n }\n# endif\n if (CRYPTO_gcm128_encrypt_ctr32(&gctx->gcm,\n in + bulk,\n out + bulk,\n len - bulk, gctx->ctr))\n goto err;\n } else {\n size_t bulk = 0;\n# if defined(AES_GCM_ASM2)\n if (len >= 32 && AES_GCM_ASM2(gctx)) {\n if (CRYPTO_gcm128_encrypt(&gctx->gcm, NULL, NULL, 0))\n return -1;\n bulk = AES_gcm_encrypt(in, out, len,\n gctx->gcm.key,\n gctx->gcm.Yi.c, gctx->gcm.Xi.u);\n gctx->gcm.len.u[1] += bulk;\n }\n# endif\n if (CRYPTO_gcm128_encrypt(&gctx->gcm,\n in + bulk, out + bulk, len - bulk))\n goto err;\n }\n out += len;\n CRYPTO_gcm128_tag(&gctx->gcm, out, EVP_GCM_TLS_TAG_LEN);\n rv = len + EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN;\n } else {\n if (gctx->ctr) {\n size_t bulk = 0;\n# if defined(AES_GCM_ASM)\n if (len >= 16 && AES_GCM_ASM(gctx)) {\n if (CRYPTO_gcm128_decrypt(&gctx->gcm, NULL, NULL, 0))\n return -1;\n bulk = AES_gcm_decrypt(in, out, len,\n gctx->gcm.key,\n gctx->gcm.Yi.c, gctx->gcm.Xi.u);\n gctx->gcm.len.u[1] += bulk;\n }\n# endif\n if (CRYPTO_gcm128_decrypt_ctr32(&gctx->gcm,\n in + bulk,\n out + bulk,\n len - bulk, gctx->ctr))\n goto err;\n } else {\n size_t bulk = 0;\n# if defined(AES_GCM_ASM2)\n if (len >= 16 && AES_GCM_ASM2(gctx)) {\n if (CRYPTO_gcm128_decrypt(&gctx->gcm, NULL, NULL, 0))\n return -1;\n bulk = AES_gcm_decrypt(in, out, len,\n gctx->gcm.key,\n gctx->gcm.Yi.c, gctx->gcm.Xi.u);\n gctx->gcm.len.u[1] += bulk;\n }\n# endif\n if (CRYPTO_gcm128_decrypt(&gctx->gcm,\n in + bulk, out + bulk, len - bulk))\n goto err;\n }\n CRYPTO_gcm128_tag(&gctx->gcm, ctx->buf, EVP_GCM_TLS_TAG_LEN);\n if (memcmp(ctx->buf, in + len, EVP_GCM_TLS_TAG_LEN)) {\n OPENSSL_cleanse(out, len);\n goto err;\n }\n rv = len;\n }\n err:\n gctx->iv_set = 0;\n gctx->tls_aad_len = -1;\n return rv;\n}', 'int CRYPTO_gcm128_encrypt_ctr32(GCM128_CONTEXT *ctx,\n const unsigned char *in, unsigned char *out,\n size_t len, ctr128_f stream)\n{\n#if defined(OPENSSL_SMALL_FOOTPRINT)\n return CRYPTO_gcm128_encrypt(ctx, in, out, len);\n#else\n const union {\n long one;\n char little;\n } is_endian = { 1 };\n unsigned int n, ctr;\n size_t i;\n u64 mlen = ctx->len.u[1];\n void *key = ctx->key;\n# ifdef GCM_FUNCREF_4BIT\n void (*gcm_gmult_p) (u64 Xi[2], const u128 Htable[16]) = ctx->gmult;\n# ifdef GHASH\n void (*gcm_ghash_p) (u64 Xi[2], const u128 Htable[16],\n const u8 *inp, size_t len) = ctx->ghash;\n# endif\n# endif\n mlen += len;\n if (mlen > ((U64(1) << 36) - 32) || (sizeof(len) == 8 && mlen < len))\n return -1;\n ctx->len.u[1] = mlen;\n if (ctx->ares) {\n GCM_MUL(ctx, Xi);\n ctx->ares = 0;\n }\n if (is_endian.little)\n# ifdef BSWAP4\n ctr = BSWAP4(ctx->Yi.d[3]);\n# else\n ctr = GETU32(ctx->Yi.c + 12);\n# endif\n else\n ctr = ctx->Yi.d[3];\n n = ctx->mres;\n if (n) {\n while (n && len) {\n ctx->Xi.c[n] ^= *(out++) = *(in++) ^ ctx->EKi.c[n];\n --len;\n n = (n + 1) % 16;\n }\n if (n == 0)\n GCM_MUL(ctx, Xi);\n else {\n ctx->mres = n;\n return 0;\n }\n }\n# if defined(GHASH) && defined(GHASH_CHUNK)\n while (len >= GHASH_CHUNK) {\n (*stream) (in, out, GHASH_CHUNK / 16, key, ctx->Yi.c);\n ctr += GHASH_CHUNK / 16;\n if (is_endian.little)\n# ifdef BSWAP4\n ctx->Yi.d[3] = BSWAP4(ctr);\n# else\n PUTU32(ctx->Yi.c + 12, ctr);\n# endif\n else\n ctx->Yi.d[3] = ctr;\n GHASH(ctx, out, GHASH_CHUNK);\n out += GHASH_CHUNK;\n in += GHASH_CHUNK;\n len -= GHASH_CHUNK;\n }\n# endif\n if ((i = (len & (size_t)-16))) {\n size_t j = i / 16;\n (*stream) (in, out, j, key, ctx->Yi.c);\n ctr += (unsigned int)j;\n if (is_endian.little)\n# ifdef BSWAP4\n ctx->Yi.d[3] = BSWAP4(ctr);\n# else\n PUTU32(ctx->Yi.c + 12, ctr);\n# endif\n else\n ctx->Yi.d[3] = ctr;\n in += i;\n len -= i;\n# if defined(GHASH)\n GHASH(ctx, out, i);\n out += i;\n# else\n while (j--) {\n for (i = 0; i < 16; ++i)\n ctx->Xi.c[i] ^= out[i];\n GCM_MUL(ctx, Xi);\n out += 16;\n }\n# endif\n }\n if (len) {\n (*ctx->block) (ctx->Yi.c, ctx->EKi.c, key);\n ++ctr;\n if (is_endian.little)\n# ifdef BSWAP4\n ctx->Yi.d[3] = BSWAP4(ctr);\n# else\n PUTU32(ctx->Yi.c + 12, ctr);\n# endif\n else\n ctx->Yi.d[3] = ctr;\n while (len--) {\n ctx->Xi.c[n] ^= out[n] = in[n] ^ ctx->EKi.c[n];\n ++n;\n }\n }\n ctx->mres = n;\n return 0;\n#endif\n}'] |
11,707 | 0 | https://github.com/openssl/openssl/blob/8ae173bb57819a23717fd3c8e7c51cb62f4268d0/crypto/x509/x509_cmp.c/#L41 | unsigned long X509_issuer_and_serial_hash(X509 *a)
{
unsigned long ret = 0;
EVP_MD_CTX *ctx = EVP_MD_CTX_new();
unsigned char md[16];
char *f;
if (ctx == NULL)
goto err;
f = X509_NAME_oneline(a->cert_info.issuer, NULL, 0);
if (!EVP_DigestInit_ex(ctx, EVP_md5(), NULL))
goto err;
if (!EVP_DigestUpdate(ctx, (unsigned char *)f, strlen(f)))
goto err;
OPENSSL_free(f);
if (!EVP_DigestUpdate
(ctx, (unsigned char *)a->cert_info.serialNumber.data,
(unsigned long)a->cert_info.serialNumber.length))
goto err;
if (!EVP_DigestFinal_ex(ctx, &(md[0]), NULL))
goto err;
ret = (((unsigned long)md[0]) | ((unsigned long)md[1] << 8L) |
((unsigned long)md[2] << 16L) | ((unsigned long)md[3] << 24L)
) & 0xffffffffL;
err:
EVP_MD_CTX_free(ctx);
return ret;
} | ['unsigned long X509_issuer_and_serial_hash(X509 *a)\n{\n unsigned long ret = 0;\n EVP_MD_CTX *ctx = EVP_MD_CTX_new();\n unsigned char md[16];\n char *f;\n if (ctx == NULL)\n goto err;\n f = X509_NAME_oneline(a->cert_info.issuer, NULL, 0);\n if (!EVP_DigestInit_ex(ctx, EVP_md5(), NULL))\n goto err;\n if (!EVP_DigestUpdate(ctx, (unsigned char *)f, strlen(f)))\n goto err;\n OPENSSL_free(f);\n if (!EVP_DigestUpdate\n (ctx, (unsigned char *)a->cert_info.serialNumber.data,\n (unsigned long)a->cert_info.serialNumber.length))\n goto err;\n if (!EVP_DigestFinal_ex(ctx, &(md[0]), NULL))\n goto err;\n ret = (((unsigned long)md[0]) | ((unsigned long)md[1] << 8L) |\n ((unsigned long)md[2] << 16L) | ((unsigned long)md[3] << 24L)\n ) & 0xffffffffL;\n err:\n EVP_MD_CTX_free(ctx);\n return ret;\n}', 'EVP_MD_CTX *EVP_MD_CTX_new(void)\n{\n return OPENSSL_zalloc(sizeof(EVP_MD_CTX));\n}', 'void *CRYPTO_zalloc(size_t num, const char *file, int line)\n{\n return c_CRYPTO_zalloc(num, file, line);\n}', 'char *X509_NAME_oneline(const X509_NAME *a, char *buf, int len)\n{\n const X509_NAME_ENTRY *ne;\n int i;\n int n, lold, l, l1, l2, num, j, type;\n const char *s;\n char *p;\n unsigned char *q;\n BUF_MEM *b = NULL;\n static const char hex[17] = "0123456789ABCDEF";\n int gs_doit[4];\n char tmp_buf[80];\n#ifdef CHARSET_EBCDIC\n unsigned char ebcdic_buf[1024];\n#endif\n if (buf == NULL) {\n if ((b = BUF_MEM_new()) == NULL)\n goto err;\n if (!BUF_MEM_grow(b, 200))\n goto err;\n b->data[0] = \'\\0\';\n len = 200;\n } else if (len == 0) {\n return NULL;\n }\n if (a == NULL) {\n if (b) {\n buf = b->data;\n OPENSSL_free(b);\n }\n strncpy(buf, "NO X509_NAME", len);\n buf[len - 1] = \'\\0\';\n return buf;\n }\n len--;\n l = 0;\n for (i = 0; i < sk_X509_NAME_ENTRY_num(a->entries); i++) {\n ne = sk_X509_NAME_ENTRY_value(a->entries, i);\n n = OBJ_obj2nid(ne->object);\n if ((n == NID_undef) || ((s = OBJ_nid2sn(n)) == NULL)) {\n i2t_ASN1_OBJECT(tmp_buf, sizeof(tmp_buf), ne->object);\n s = tmp_buf;\n }\n l1 = strlen(s);\n type = ne->value->type;\n num = ne->value->length;\n if (num > NAME_ONELINE_MAX) {\n X509err(X509_F_X509_NAME_ONELINE, X509_R_NAME_TOO_LONG);\n goto end;\n }\n q = ne->value->data;\n#ifdef CHARSET_EBCDIC\n if (type == V_ASN1_GENERALSTRING ||\n type == V_ASN1_VISIBLESTRING ||\n type == V_ASN1_PRINTABLESTRING ||\n type == V_ASN1_TELETEXSTRING ||\n type == V_ASN1_IA5STRING) {\n if (num > (int)sizeof(ebcdic_buf))\n num = sizeof(ebcdic_buf);\n ascii2ebcdic(ebcdic_buf, q, num);\n q = ebcdic_buf;\n }\n#endif\n if ((type == V_ASN1_GENERALSTRING) && ((num % 4) == 0)) {\n gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 0;\n for (j = 0; j < num; j++)\n if (q[j] != 0)\n gs_doit[j & 3] = 1;\n if (gs_doit[0] | gs_doit[1] | gs_doit[2])\n gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1;\n else {\n gs_doit[0] = gs_doit[1] = gs_doit[2] = 0;\n gs_doit[3] = 1;\n }\n } else\n gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1;\n for (l2 = j = 0; j < num; j++) {\n if (!gs_doit[j & 3])\n continue;\n l2++;\n#ifndef CHARSET_EBCDIC\n if ((q[j] < \' \') || (q[j] > \'~\'))\n l2 += 3;\n#else\n if ((os_toascii[q[j]] < os_toascii[\' \']) ||\n (os_toascii[q[j]] > os_toascii[\'~\']))\n l2 += 3;\n#endif\n }\n lold = l;\n l += 1 + l1 + 1 + l2;\n if (l > NAME_ONELINE_MAX) {\n X509err(X509_F_X509_NAME_ONELINE, X509_R_NAME_TOO_LONG);\n goto end;\n }\n if (b != NULL) {\n if (!BUF_MEM_grow(b, l + 1))\n goto err;\n p = &(b->data[lold]);\n } else if (l > len) {\n break;\n } else\n p = &(buf[lold]);\n *(p++) = \'/\';\n memcpy(p, s, (unsigned int)l1);\n p += l1;\n *(p++) = \'=\';\n#ifndef CHARSET_EBCDIC\n q = ne->value->data;\n#endif\n for (j = 0; j < num; j++) {\n if (!gs_doit[j & 3])\n continue;\n#ifndef CHARSET_EBCDIC\n n = q[j];\n if ((n < \' \') || (n > \'~\')) {\n *(p++) = \'\\\\\';\n *(p++) = \'x\';\n *(p++) = hex[(n >> 4) & 0x0f];\n *(p++) = hex[n & 0x0f];\n } else\n *(p++) = n;\n#else\n n = os_toascii[q[j]];\n if ((n < os_toascii[\' \']) || (n > os_toascii[\'~\'])) {\n *(p++) = \'\\\\\';\n *(p++) = \'x\';\n *(p++) = hex[(n >> 4) & 0x0f];\n *(p++) = hex[n & 0x0f];\n } else\n *(p++) = q[j];\n#endif\n }\n *p = \'\\0\';\n }\n if (b != NULL) {\n p = b->data;\n OPENSSL_free(b);\n } else\n p = buf;\n if (i == 0)\n *p = \'\\0\';\n return p;\n err:\n X509err(X509_F_X509_NAME_ONELINE, ERR_R_MALLOC_FAILURE);\n end:\n BUF_MEM_free(b);\n return NULL;\n}'] |
11,708 | 0 | https://github.com/libav/libav/blob/c5254755c0154dcc7bb1191a84e6e7cf0106343b/libavformat/xwma.c/#L45 | static int xwma_read_header(AVFormatContext *s)
{
int64_t size, av_uninit(data_size);
int ret;
uint32_t dpds_table_size = 0;
uint32_t *dpds_table = 0;
unsigned int tag;
AVIOContext *pb = s->pb;
AVStream *st;
XWMAContext *xwma = s->priv_data;
int i;
tag = avio_rl32(pb);
if (tag != MKTAG('R', 'I', 'F', 'F'))
return -1;
avio_rl32(pb);
tag = avio_rl32(pb);
if (tag != MKTAG('X', 'W', 'M', 'A'))
return -1;
tag = avio_rl32(pb);
if (tag != MKTAG('f', 'm', 't', ' '))
return -1;
size = avio_rl32(pb);
st = avformat_new_stream(s, NULL);
if (!st)
return AVERROR(ENOMEM);
ret = ff_get_wav_header(pb, st->codec, size);
if (ret < 0)
return ret;
st->need_parsing = AVSTREAM_PARSE_NONE;
if (st->codec->codec_id != CODEC_ID_WMAV2) {
av_log(s, AV_LOG_WARNING, "unexpected codec (tag 0x04%x; id %d)\n",
st->codec->codec_tag, st->codec->codec_id);
av_log_ask_for_sample(s, NULL);
} else {
if (st->codec->extradata_size != 0) {
av_log(s, AV_LOG_WARNING, "unexpected extradata (%d bytes)\n",
st->codec->extradata_size);
av_log_ask_for_sample(s, NULL);
} else {
st->codec->extradata_size = 6;
st->codec->extradata = av_mallocz(6 + FF_INPUT_BUFFER_PADDING_SIZE);
if (!st->codec->extradata)
return AVERROR(ENOMEM);
st->codec->extradata[4] = 31;
}
}
avpriv_set_pts_info(st, 64, 1, st->codec->sample_rate);
for (;;) {
if (pb->eof_reached)
return -1;
tag = avio_rl32(pb);
size = avio_rl32(pb);
if (tag == MKTAG('d', 'a', 't', 'a')) {
break;
} else if (tag == MKTAG('d','p','d','s')) {
if (dpds_table) {
av_log(s, AV_LOG_ERROR, "two dpds chunks present\n");
return -1;
}
if (size & 3) {
av_log(s, AV_LOG_WARNING,
"dpds chunk size %"PRId64" not divisible by 4\n", size);
}
dpds_table_size = size / 4;
if (dpds_table_size == 0 || dpds_table_size >= INT_MAX / 4) {
av_log(s, AV_LOG_ERROR,
"dpds chunk size %"PRId64" invalid\n", size);
return -1;
}
dpds_table = av_malloc(dpds_table_size * sizeof(uint32_t));
if (!dpds_table) {
return AVERROR(ENOMEM);
}
for (i = 0; i < dpds_table_size; ++i) {
dpds_table[i] = avio_rl32(pb);
size -= 4;
}
}
avio_skip(pb, size);
}
if (size < 0)
return -1;
if (!size) {
xwma->data_end = INT64_MAX;
} else
xwma->data_end = avio_tell(pb) + size;
if (dpds_table && dpds_table_size) {
int64_t cur_pos;
const uint32_t bytes_per_sample
= (st->codec->channels * st->codec->bits_per_coded_sample) >> 3;
const uint64_t total_decoded_bytes = dpds_table[dpds_table_size - 1];
st->duration = total_decoded_bytes / bytes_per_sample;
cur_pos = avio_tell(pb);
for (i = 0; i < dpds_table_size; ++i) {
av_add_index_entry(st,
cur_pos + (i+1) * st->codec->block_align,
dpds_table[i] / bytes_per_sample,
st->codec->block_align,
0,
AVINDEX_KEYFRAME);
}
} else if (st->codec->bit_rate) {
st->duration = (size<<3) * st->codec->sample_rate / st->codec->bit_rate;
}
av_free(dpds_table);
return 0;
} | ['static int xwma_read_header(AVFormatContext *s)\n{\n int64_t size, av_uninit(data_size);\n int ret;\n uint32_t dpds_table_size = 0;\n uint32_t *dpds_table = 0;\n unsigned int tag;\n AVIOContext *pb = s->pb;\n AVStream *st;\n XWMAContext *xwma = s->priv_data;\n int i;\n tag = avio_rl32(pb);\n if (tag != MKTAG(\'R\', \'I\', \'F\', \'F\'))\n return -1;\n avio_rl32(pb);\n tag = avio_rl32(pb);\n if (tag != MKTAG(\'X\', \'W\', \'M\', \'A\'))\n return -1;\n tag = avio_rl32(pb);\n if (tag != MKTAG(\'f\', \'m\', \'t\', \' \'))\n return -1;\n size = avio_rl32(pb);\n st = avformat_new_stream(s, NULL);\n if (!st)\n return AVERROR(ENOMEM);\n ret = ff_get_wav_header(pb, st->codec, size);\n if (ret < 0)\n return ret;\n st->need_parsing = AVSTREAM_PARSE_NONE;\n if (st->codec->codec_id != CODEC_ID_WMAV2) {\n av_log(s, AV_LOG_WARNING, "unexpected codec (tag 0x04%x; id %d)\\n",\n st->codec->codec_tag, st->codec->codec_id);\n av_log_ask_for_sample(s, NULL);\n } else {\n if (st->codec->extradata_size != 0) {\n av_log(s, AV_LOG_WARNING, "unexpected extradata (%d bytes)\\n",\n st->codec->extradata_size);\n av_log_ask_for_sample(s, NULL);\n } else {\n st->codec->extradata_size = 6;\n st->codec->extradata = av_mallocz(6 + FF_INPUT_BUFFER_PADDING_SIZE);\n if (!st->codec->extradata)\n return AVERROR(ENOMEM);\n st->codec->extradata[4] = 31;\n }\n }\n avpriv_set_pts_info(st, 64, 1, st->codec->sample_rate);\n for (;;) {\n if (pb->eof_reached)\n return -1;\n tag = avio_rl32(pb);\n size = avio_rl32(pb);\n if (tag == MKTAG(\'d\', \'a\', \'t\', \'a\')) {\n break;\n } else if (tag == MKTAG(\'d\',\'p\',\'d\',\'s\')) {\n if (dpds_table) {\n av_log(s, AV_LOG_ERROR, "two dpds chunks present\\n");\n return -1;\n }\n if (size & 3) {\n av_log(s, AV_LOG_WARNING,\n "dpds chunk size %"PRId64" not divisible by 4\\n", size);\n }\n dpds_table_size = size / 4;\n if (dpds_table_size == 0 || dpds_table_size >= INT_MAX / 4) {\n av_log(s, AV_LOG_ERROR,\n "dpds chunk size %"PRId64" invalid\\n", size);\n return -1;\n }\n dpds_table = av_malloc(dpds_table_size * sizeof(uint32_t));\n if (!dpds_table) {\n return AVERROR(ENOMEM);\n }\n for (i = 0; i < dpds_table_size; ++i) {\n dpds_table[i] = avio_rl32(pb);\n size -= 4;\n }\n }\n avio_skip(pb, size);\n }\n if (size < 0)\n return -1;\n if (!size) {\n xwma->data_end = INT64_MAX;\n } else\n xwma->data_end = avio_tell(pb) + size;\n if (dpds_table && dpds_table_size) {\n int64_t cur_pos;\n const uint32_t bytes_per_sample\n = (st->codec->channels * st->codec->bits_per_coded_sample) >> 3;\n const uint64_t total_decoded_bytes = dpds_table[dpds_table_size - 1];\n st->duration = total_decoded_bytes / bytes_per_sample;\n cur_pos = avio_tell(pb);\n for (i = 0; i < dpds_table_size; ++i) {\n av_add_index_entry(st,\n cur_pos + (i+1) * st->codec->block_align,\n dpds_table[i] / bytes_per_sample,\n st->codec->block_align,\n 0,\n AVINDEX_KEYFRAME);\n }\n } else if (st->codec->bit_rate) {\n st->duration = (size<<3) * st->codec->sample_rate / st->codec->bit_rate;\n }\n av_free(dpds_table);\n return 0;\n}'] |
11,709 | 0 | https://github.com/libav/libav/blob/a93b572ae4f517ce0c35cf085167c318e9215908/libavcodec/mmvideo.c/#L143 | static int mm_decode_inter(MmContext * s, int half_horiz, int half_vert)
{
int data_off = bytestream2_get_le16(&s->gb), y;
GetByteContext data_ptr;
if (bytestream2_get_bytes_left(&s->gb) < data_off)
return AVERROR_INVALIDDATA;
bytestream2_init(&data_ptr, s->gb.buffer + data_off, bytestream2_get_bytes_left(&s->gb) - data_off);
while (s->gb.buffer < data_ptr.buffer_start) {
int i, j;
int length = bytestream2_get_byte(&s->gb);
int x = bytestream2_get_byte(&s->gb) + ((length & 0x80) << 1);
length &= 0x7F;
if (length==0) {
y += x;
continue;
}
if (y + half_vert >= s->avctx->height)
return 0;
for(i=0; i<length; i++) {
int replace_array = bytestream2_get_byte(&s->gb);
for(j=0; j<8; j++) {
int replace = (replace_array >> (7-j)) & 1;
if (replace) {
int color = bytestream2_get_byte(&data_ptr);
s->frame.data[0][y*s->frame.linesize[0] + x] = color;
if (half_horiz)
s->frame.data[0][y*s->frame.linesize[0] + x + 1] = color;
if (half_vert) {
s->frame.data[0][(y+1)*s->frame.linesize[0] + x] = color;
if (half_horiz)
s->frame.data[0][(y+1)*s->frame.linesize[0] + x + 1] = color;
}
}
x += 1 + half_horiz;
}
}
y += 1 + half_vert;
}
return 0;
} | ['static int mm_decode_inter(MmContext * s, int half_horiz, int half_vert)\n{\n int data_off = bytestream2_get_le16(&s->gb), y;\n GetByteContext data_ptr;\n if (bytestream2_get_bytes_left(&s->gb) < data_off)\n return AVERROR_INVALIDDATA;\n bytestream2_init(&data_ptr, s->gb.buffer + data_off, bytestream2_get_bytes_left(&s->gb) - data_off);\n while (s->gb.buffer < data_ptr.buffer_start) {\n int i, j;\n int length = bytestream2_get_byte(&s->gb);\n int x = bytestream2_get_byte(&s->gb) + ((length & 0x80) << 1);\n length &= 0x7F;\n if (length==0) {\n y += x;\n continue;\n }\n if (y + half_vert >= s->avctx->height)\n return 0;\n for(i=0; i<length; i++) {\n int replace_array = bytestream2_get_byte(&s->gb);\n for(j=0; j<8; j++) {\n int replace = (replace_array >> (7-j)) & 1;\n if (replace) {\n int color = bytestream2_get_byte(&data_ptr);\n s->frame.data[0][y*s->frame.linesize[0] + x] = color;\n if (half_horiz)\n s->frame.data[0][y*s->frame.linesize[0] + x + 1] = color;\n if (half_vert) {\n s->frame.data[0][(y+1)*s->frame.linesize[0] + x] = color;\n if (half_horiz)\n s->frame.data[0][(y+1)*s->frame.linesize[0] + x + 1] = color;\n }\n }\n x += 1 + half_horiz;\n }\n }\n y += 1 + half_vert;\n }\n return 0;\n}'] |
11,710 | 0 | https://github.com/openssl/openssl/blob/1fac96e4d6484a517f2ebe99b72016726391723c/crypto/asn1/asn1_lib.c/#L222 | static void asn1_put_length(unsigned char **pp, int length)
{
unsigned char *p= *pp;
int i,l;
if (length <= 127)
*(p++)=(unsigned char)length;
else
{
l=length;
for (i=0; l > 0; i++)
l>>=8;
*(p++)=i|0x80;
l=i;
while (i-- > 0)
{
p[i]=length&0xff;
length>>=8;
}
p+=l;
}
*pp=p;
} | ['int MAIN(int argc, char **argv)\n\t{\n\tint ret=1;\n\tX509_REQ *req=NULL;\n\tX509 *x=NULL,*xca=NULL;\n\tEVP_PKEY *Upkey=NULL,*CApkey=NULL;\n\tint i,num,badops=0;\n\tBIO *out=NULL;\n\tBIO *STDout=NULL;\n\tint informat,outformat,keyformat,CAformat,CAkeyformat;\n\tchar *infile=NULL,*outfile=NULL,*keyfile=NULL,*CAfile=NULL;\n\tchar *CAkeyfile=NULL,*CAserial=NULL;\n\tint text=0,serial=0,hash=0,subject=0,issuer=0,startdate=0,enddate=0;\n\tint noout=0,sign_flag=0,CA_flag=0,CA_createserial=0;\n\tint C=0;\n\tint x509req=0,days=DEF_DAYS,modulus=0;\n\tchar **pp;\n\tX509_STORE *ctx=NULL;\n\tX509_REQ *rq=NULL;\n\tint fingerprint=0;\n\tchar buf[256];\n\tconst EVP_MD *md_alg,*digest=EVP_md5();\n\tLHASH *extconf = NULL;\n\tchar *extsect = NULL, *extfile = NULL;\n\treqfile=0;\n\tapps_startup();\n\tif (bio_err == NULL)\n\t\tbio_err=BIO_new_fp(stderr,BIO_NOCLOSE);\n\tSTDout=BIO_new_fp(stdout,BIO_NOCLOSE);\n\tinformat=FORMAT_PEM;\n\toutformat=FORMAT_PEM;\n\tkeyformat=FORMAT_PEM;\n\tCAformat=FORMAT_PEM;\n\tCAkeyformat=FORMAT_PEM;\n\tctx=X509_STORE_new();\n\tif (ctx == NULL) goto end;\n\tX509_STORE_set_verify_cb_func(ctx,callb);\n\targc--;\n\targv++;\n\tnum=0;\n\twhile (argc >= 1)\n\t\t{\n\t\tif \t(strcmp(*argv,"-inform") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tinformat=str2fmt(*(++argv));\n\t\t\t}\n\t\telse if (strcmp(*argv,"-outform") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\toutformat=str2fmt(*(++argv));\n\t\t\t}\n\t\telse if (strcmp(*argv,"-keyform") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tkeyformat=str2fmt(*(++argv));\n\t\t\t}\n\t\telse if (strcmp(*argv,"-req") == 0)\n\t\t\treqfile=1;\n\t\telse if (strcmp(*argv,"-CAform") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tCAformat=str2fmt(*(++argv));\n\t\t\t}\n\t\telse if (strcmp(*argv,"-CAkeyform") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tCAformat=str2fmt(*(++argv));\n\t\t\t}\n\t\telse if (strcmp(*argv,"-days") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tdays=atoi(*(++argv));\n\t\t\tif (days == 0)\n\t\t\t\t{\n\t\t\t\tBIO_printf(STDout,"bad number of days\\n");\n\t\t\t\tgoto bad;\n\t\t\t\t}\n\t\t\t}\n\t\telse if (strcmp(*argv,"-extfile") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\textfile= *(++argv);\n\t\t\t}\n\t\telse if (strcmp(*argv,"-in") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tinfile= *(++argv);\n\t\t\t}\n\t\telse if (strcmp(*argv,"-out") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\toutfile= *(++argv);\n\t\t\t}\n\t\telse if (strcmp(*argv,"-signkey") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tkeyfile= *(++argv);\n\t\t\tsign_flag= ++num;\n\t\t\t}\n\t\telse if (strcmp(*argv,"-CA") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tCAfile= *(++argv);\n\t\t\tCA_flag= ++num;\n\t\t\t}\n\t\telse if (strcmp(*argv,"-CAkey") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tCAkeyfile= *(++argv);\n\t\t\t}\n\t\telse if (strcmp(*argv,"-CAserial") == 0)\n\t\t\t{\n\t\t\tif (--argc < 1) goto bad;\n\t\t\tCAserial= *(++argv);\n\t\t\t}\n\t\telse if (strcmp(*argv,"-C") == 0)\n\t\t\tC= ++num;\n\t\telse if (strcmp(*argv,"-serial") == 0)\n\t\t\tserial= ++num;\n\t\telse if (strcmp(*argv,"-modulus") == 0)\n\t\t\tmodulus= ++num;\n\t\telse if (strcmp(*argv,"-x509toreq") == 0)\n\t\t\tx509req= ++num;\n\t\telse if (strcmp(*argv,"-text") == 0)\n\t\t\ttext= ++num;\n\t\telse if (strcmp(*argv,"-hash") == 0)\n\t\t\thash= ++num;\n\t\telse if (strcmp(*argv,"-subject") == 0)\n\t\t\tsubject= ++num;\n\t\telse if (strcmp(*argv,"-issuer") == 0)\n\t\t\tissuer= ++num;\n\t\telse if (strcmp(*argv,"-fingerprint") == 0)\n\t\t\tfingerprint= ++num;\n\t\telse if (strcmp(*argv,"-dates") == 0)\n\t\t\t{\n\t\t\tstartdate= ++num;\n\t\t\tenddate= ++num;\n\t\t\t}\n\t\telse if (strcmp(*argv,"-startdate") == 0)\n\t\t\tstartdate= ++num;\n\t\telse if (strcmp(*argv,"-enddate") == 0)\n\t\t\tenddate= ++num;\n\t\telse if (strcmp(*argv,"-noout") == 0)\n\t\t\tnoout= ++num;\n\t\telse if (strcmp(*argv,"-CAcreateserial") == 0)\n\t\t\tCA_createserial= ++num;\n\t\telse if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)\n\t\t\t{\n\t\t\tdigest=md_alg;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"unknown option %s\\n",*argv);\n\t\t\tbadops=1;\n\t\t\tbreak;\n\t\t\t}\n\t\targc--;\n\t\targv++;\n\t\t}\n\tif (badops)\n\t\t{\nbad:\n\t\tfor (pp=x509_usage; (*pp != NULL); pp++)\n\t\t\tBIO_printf(bio_err,*pp);\n\t\tgoto end;\n\t\t}\n\tERR_load_crypto_strings();\n\tX509V3_add_standard_extensions();\n\tif (!X509_STORE_set_default_paths(ctx))\n\t\t{\n\t\tERR_print_errors(bio_err);\n\t\tgoto end;\n\t\t}\n\tif ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM))\n\t\t{ CAkeyfile=CAfile; }\n\telse if ((CA_flag) && (CAkeyfile == NULL))\n\t\t{\n\t\tBIO_printf(bio_err,"need to specify a CAkey if using the CA command\\n");\n\t\tgoto end;\n\t\t}\n\tif (extfile) {\n\t\tlong errorline;\n\t\tX509V3_CTX ctx2;\n\t\tif (!(extconf=CONF_load(NULL,extfile,&errorline))) {\n\t\t\tif (errorline <= 0)\n\t\t\t\tBIO_printf(bio_err,\n\t\t\t\t\t"error loading the config file \'%s\'\\n",\n\t\t\t\t\t\t\t\textfile);\n \telse\n \tBIO_printf(bio_err,\n\t\t\t\t "error on line %ld of config file \'%s\'\\n"\n\t\t\t\t\t\t\t,errorline,extfile);\n\t\t\tgoto end;\n\t\t}\n\t\tif(!(extsect = CONF_get_string(extconf, "default",\n\t\t\t\t\t "extensions"))) extsect = "default";\n\t\tX509V3_set_ctx_test(&ctx2);\n\t\tX509V3_set_conf_lhash(&ctx2, extconf);\n\t\tif(!X509V3_EXT_add_conf(extconf, &ctx2, extsect, NULL)) {\n\t\t\tBIO_printf(bio_err,\n\t\t\t\t"Error Loading extension section %s\\n",\n\t\t\t\t\t\t\t\t extsect);\n\t\t\tERR_print_errors(bio_err);\n\t\t\tgoto end;\n }\n\t}\n\tif (reqfile)\n\t\t{\n\t\tEVP_PKEY *pkey;\n\t\tX509_CINF *ci;\n\t\tBIO *in;\n\t\tif (!sign_flag && !CA_flag)\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"We need a private key to sign with\\n");\n\t\t\tgoto end;\n\t\t\t}\n\t\tin=BIO_new(BIO_s_file());\n\t\tif (in == NULL)\n\t\t\t{\n\t\t\tERR_print_errors(bio_err);\n\t\t\tgoto end;\n\t\t\t}\n\t\tif (infile == NULL)\n\t\t\tBIO_set_fp(in,stdin,BIO_NOCLOSE|BIO_FP_TEXT);\n\t\telse\n\t\t\t{\n\t\t\tif (BIO_read_filename(in,infile) <= 0)\n\t\t\t\t{\n\t\t\t\tperror(infile);\n\t\t\t\tgoto end;\n\t\t\t\t}\n\t\t\t}\n\t\treq=PEM_read_bio_X509_REQ(in,NULL,NULL);\n\t\tBIO_free(in);\n\t\tif (req == NULL) { perror(infile); goto end; }\n\t\tif (\t(req->req_info == NULL) ||\n\t\t\t(req->req_info->pubkey == NULL) ||\n\t\t\t(req->req_info->pubkey->public_key == NULL) ||\n\t\t\t(req->req_info->pubkey->public_key->data == NULL))\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"The certificate request appears to corrupted\\n");\n\t\t\tBIO_printf(bio_err,"It does not contain a public key\\n");\n\t\t\tgoto end;\n\t\t\t}\n\t\tif ((pkey=X509_REQ_get_pubkey(req)) == NULL)\n\t {\n\t BIO_printf(bio_err,"error unpacking public key\\n");\n\t goto end;\n\t }\n\t\ti=X509_REQ_verify(req,pkey);\n\t\tEVP_PKEY_free(pkey);\n\t\tif (i < 0)\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"Signature verification error\\n");\n\t\t\tERR_print_errors(bio_err);\n\t\t\tgoto end;\n\t\t\t}\n\t if (i == 0)\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"Signature did not match the certificate request\\n");\n\t\t\tgoto end;\n\t\t\t}\n\t\telse\n\t\t\tBIO_printf(bio_err,"Signature ok\\n");\n\t\tX509_NAME_oneline(req->req_info->subject,buf,256);\n\t\tBIO_printf(bio_err,"subject=%s\\n",buf);\n\t\tif ((x=X509_new()) == NULL) goto end;\n\t\tci=x->cert_info;\n\t\tif (!ASN1_INTEGER_set(X509_get_serialNumber(x),0)) goto end;\n\t\tif (!X509_set_issuer_name(x,req->req_info->subject)) goto end;\n\t\tif (!X509_set_subject_name(x,req->req_info->subject)) goto end;\n\t\tX509_gmtime_adj(X509_get_notBefore(x),0);\n\t X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days);\n#if 0\n\t\tX509_PUBKEY_free(ci->key);\n\t\tci->key=req->req_info->pubkey;\n\t req->req_info->pubkey=NULL;\n#else\n\t\tpkey = X509_REQ_get_pubkey(req);\n\t\tX509_set_pubkey(x,pkey);\n\t\tEVP_PKEY_free(pkey);\n#endif\n\t\t}\n\telse\n\t\tx=load_cert(infile,informat);\n\tif (x == NULL) goto end;\n\tif (CA_flag)\n\t\t{\n\t\txca=load_cert(CAfile,CAformat);\n\t\tif (xca == NULL) goto end;\n\t\t}\n\tif (!noout || text)\n\t\t{\n\t\tOBJ_create("2.99999.3",\n\t\t\t"SET.ex3","SET x509v3 extension 3");\n\t\tout=BIO_new(BIO_s_file());\n\t\tif (out == NULL)\n\t\t\t{\n\t\t\tERR_print_errors(bio_err);\n\t\t\tgoto end;\n\t\t\t}\n\t\tif (outfile == NULL)\n\t\t\tBIO_set_fp(out,stdout,BIO_NOCLOSE);\n\t\telse\n\t\t\t{\n\t\t\tif (BIO_write_filename(out,outfile) <= 0)\n\t\t\t\t{\n\t\t\t\tperror(outfile);\n\t\t\t\tgoto end;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\tif (num)\n\t\t{\n\t\tfor (i=1; i<=num; i++)\n\t\t\t{\n\t\t\tif (issuer == i)\n\t\t\t\t{\n\t\t\t\tX509_NAME_oneline(X509_get_issuer_name(x),\n\t\t\t\t\tbuf,256);\n\t\t\t\tBIO_printf(STDout,"issuer= %s\\n",buf);\n\t\t\t\t}\n\t\t\telse if (subject == i)\n\t\t\t\t{\n\t\t\t\tX509_NAME_oneline(X509_get_subject_name(x),\n\t\t\t\t\tbuf,256);\n\t\t\t\tBIO_printf(STDout,"subject=%s\\n",buf);\n\t\t\t\t}\n\t\t\telse if (serial == i)\n\t\t\t\t{\n\t\t\t\tBIO_printf(STDout,"serial=");\n\t\t\t\ti2a_ASN1_INTEGER(STDout,x->cert_info->serialNumber);\n\t\t\t\tBIO_printf(STDout,"\\n");\n\t\t\t\t}\n\t\t\telse if (hash == i)\n\t\t\t\t{\n\t\t\t\tBIO_printf(STDout,"%08lx\\n",X509_subject_name_hash(x));\n\t\t\t\t}\n\t\t\telse\n\t\t\t\tif (modulus == i)\n\t\t\t\t{\n\t\t\t\tEVP_PKEY *pkey;\n\t\t\t\tpkey=X509_get_pubkey(x);\n\t\t\t\tif (pkey == NULL)\n\t\t\t\t\t{\n\t\t\t\t\tBIO_printf(bio_err,"Modulus=unavailable\\n");\n\t\t\t\t\tERR_print_errors(bio_err);\n\t\t\t\t\tgoto end;\n\t\t\t\t\t}\n\t\t\t\tBIO_printf(STDout,"Modulus=");\n#ifndef NO_RSA\n\t\t\t\tif (pkey->type == EVP_PKEY_RSA)\n\t\t\t\t\tBN_print(STDout,pkey->pkey.rsa->n);\n\t\t\t\telse\n#endif\n#ifndef NO_DSA\n\t\t\t\tif (pkey->type == EVP_PKEY_DSA)\n\t\t\t\t\tBN_print(STDout,pkey->pkey.dsa->pub_key);\n\t\t\t\telse\n#endif\n\t\t\t\t\tBIO_printf(STDout,"Wrong Algorithm type");\n\t\t\t\tBIO_printf(STDout,"\\n");\n\t\t\t\tEVP_PKEY_free(pkey);\n\t\t\t\t}\n\t\t\telse\n\t\t\t\tif (C == i)\n\t\t\t\t{\n\t\t\t\tunsigned char *d;\n\t\t\t\tchar *m;\n\t\t\t\tint y,z;\n\t\t\t\tX509_NAME_oneline(X509_get_subject_name(x),\n\t\t\t\t\tbuf,256);\n\t\t\t\tBIO_printf(STDout,"/* subject:%s */\\n",buf);\n\t\t\t\tm=X509_NAME_oneline(\n\t\t\t\t\tX509_get_issuer_name(x),buf,256);\n\t\t\t\tBIO_printf(STDout,"/* issuer :%s */\\n",buf);\n\t\t\t\tz=i2d_X509(x,NULL);\n\t\t\t\tm=Malloc(z);\n\t\t\t\td=(unsigned char *)m;\n\t\t\t\tz=i2d_X509_NAME(X509_get_subject_name(x),&d);\n\t\t\t\tBIO_printf(STDout,"unsigned char XXX_subject_name[%d]={\\n",z);\n\t\t\t\td=(unsigned char *)m;\n\t\t\t\tfor (y=0; y<z; y++)\n\t\t\t\t\t{\n\t\t\t\t\tBIO_printf(STDout,"0x%02X,",d[y]);\n\t\t\t\t\tif ((y & 0x0f) == 0x0f) BIO_printf(STDout,"\\n");\n\t\t\t\t\t}\n\t\t\t\tif (y%16 != 0) BIO_printf(STDout,"\\n");\n\t\t\t\tBIO_printf(STDout,"};\\n");\n\t\t\t\tz=i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x),&d);\n\t\t\t\tBIO_printf(STDout,"unsigned char XXX_public_key[%d]={\\n",z);\n\t\t\t\td=(unsigned char *)m;\n\t\t\t\tfor (y=0; y<z; y++)\n\t\t\t\t\t{\n\t\t\t\t\tBIO_printf(STDout,"0x%02X,",d[y]);\n\t\t\t\t\tif ((y & 0x0f) == 0x0f)\n\t\t\t\t\t\tBIO_printf(STDout,"\\n");\n\t\t\t\t\t}\n\t\t\t\tif (y%16 != 0) BIO_printf(STDout,"\\n");\n\t\t\t\tBIO_printf(STDout,"};\\n");\n\t\t\t\tz=i2d_X509(x,&d);\n\t\t\t\tBIO_printf(STDout,"unsigned char XXX_certificate[%d]={\\n",z);\n\t\t\t\td=(unsigned char *)m;\n\t\t\t\tfor (y=0; y<z; y++)\n\t\t\t\t\t{\n\t\t\t\t\tBIO_printf(STDout,"0x%02X,",d[y]);\n\t\t\t\t\tif ((y & 0x0f) == 0x0f)\n\t\t\t\t\t\tBIO_printf(STDout,"\\n");\n\t\t\t\t\t}\n\t\t\t\tif (y%16 != 0) BIO_printf(STDout,"\\n");\n\t\t\t\tBIO_printf(STDout,"};\\n");\n\t\t\t\tFree(m);\n\t\t\t\t}\n\t\t\telse if (text == i)\n\t\t\t\t{\n\t\t\t\tX509_print(out,x);\n\t\t\t\t}\n\t\t\telse if (startdate == i)\n\t\t\t\t{\n\t\t\t\tBIO_puts(STDout,"notBefore=");\n\t\t\t\tASN1_TIME_print(STDout,X509_get_notBefore(x));\n\t\t\t\tBIO_puts(STDout,"\\n");\n\t\t\t\t}\n\t\t\telse if (enddate == i)\n\t\t\t\t{\n\t\t\t\tBIO_puts(STDout,"notAfter=");\n\t\t\t\tASN1_TIME_print(STDout,X509_get_notAfter(x));\n\t\t\t\tBIO_puts(STDout,"\\n");\n\t\t\t\t}\n\t\t\telse if (fingerprint == i)\n\t\t\t\t{\n\t\t\t\tint j;\n\t\t\t\tunsigned int n;\n\t\t\t\tunsigned char md[EVP_MAX_MD_SIZE];\n\t\t\t\tif (!X509_digest(x,EVP_md5(),md,&n))\n\t\t\t\t\t{\n\t\t\t\t\tBIO_printf(bio_err,"out of memory\\n");\n\t\t\t\t\tgoto end;\n\t\t\t\t\t}\n\t\t\t\tBIO_printf(STDout,"MD5 Fingerprint=");\n\t\t\t\tfor (j=0; j<(int)n; j++)\n\t\t\t\t\t{\n\t\t\t\t\tBIO_printf(STDout,"%02X%c",md[j],\n\t\t\t\t\t\t(j+1 == (int)n)\n\t\t\t\t\t\t?\'\\n\':\':\');\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\telse if ((sign_flag == i) && (x509req == 0))\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_err,"Getting Private key\\n");\n\t\t\t\tif (Upkey == NULL)\n\t\t\t\t\t{\n\t\t\t\t\tUpkey=load_key(keyfile,keyformat);\n\t\t\t\t\tif (Upkey == NULL) goto end;\n\t\t\t\t\t}\n#ifndef NO_DSA\n\t\t if (Upkey->type == EVP_PKEY_DSA)\n\t\t digest=EVP_dss1();\n#endif\n\t\t\t\tif (!sign(x,Upkey,days,digest,\n\t\t\t\t\t\t extconf, extsect)) goto end;\n\t\t\t\t}\n\t\t\telse if (CA_flag == i)\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_err,"Getting CA Private Key\\n");\n\t\t\t\tif (CAkeyfile != NULL)\n\t\t\t\t\t{\n\t\t\t\t\tCApkey=load_key(CAkeyfile,CAkeyformat);\n\t\t\t\t\tif (CApkey == NULL) goto end;\n\t\t\t\t\t}\n#ifndef NO_DSA\n\t\t if (CApkey->type == EVP_PKEY_DSA)\n\t\t digest=EVP_dss1();\n#endif\n\t\t\t\tif (!x509_certify(ctx,CAfile,digest,x,xca,\n\t\t\t\t\tCApkey, CAserial,CA_createserial,days,\n\t\t\t\t\textconf, extsect))\n\t\t\t\t\tgoto end;\n\t\t\t\t}\n\t\t\telse if (x509req == i)\n\t\t\t\t{\n\t\t\t\tEVP_PKEY *pk;\n\t\t\t\tBIO_printf(bio_err,"Getting request Private Key\\n");\n\t\t\t\tif (keyfile == NULL)\n\t\t\t\t\t{\n\t\t\t\t\tBIO_printf(bio_err,"no request key file specified\\n");\n\t\t\t\t\tgoto end;\n\t\t\t\t\t}\n\t\t\t\telse\n\t\t\t\t\t{\n\t\t\t\t\tpk=load_key(keyfile,FORMAT_PEM);\n\t\t\t\t\tif (pk == NULL) goto end;\n\t\t\t\t\t}\n\t\t\t\tBIO_printf(bio_err,"Generating certificate request\\n");\n\t\t\t\trq=X509_to_X509_REQ(x,pk,EVP_md5());\n\t\t\t\tEVP_PKEY_free(pk);\n\t\t\t\tif (rq == NULL)\n\t\t\t\t\t{\n\t\t\t\t\tERR_print_errors(bio_err);\n\t\t\t\t\tgoto end;\n\t\t\t\t\t}\n\t\t\t\tif (!noout)\n\t\t\t\t\t{\n\t\t\t\t\tX509_REQ_print(out,rq);\n\t\t\t\t\tPEM_write_bio_X509_REQ(out,rq);\n\t\t\t\t\t}\n\t\t\t\tnoout=1;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\tif (noout)\n\t\t{\n\t\tret=0;\n\t\tgoto end;\n\t\t}\n\tif \t(outformat == FORMAT_ASN1)\n\t\ti=i2d_X509_bio(out,x);\n\telse if (outformat == FORMAT_PEM)\n\t\ti=PEM_write_bio_X509(out,x);\n\telse if (outformat == FORMAT_NETSCAPE)\n\t\t{\n\t\tASN1_HEADER ah;\n\t\tASN1_OCTET_STRING os;\n\t\tos.data=(unsigned char *)CERT_HDR;\n\t\tos.length=strlen(CERT_HDR);\n\t\tah.header= &os;\n\t\tah.data=(char *)x;\n\t\tah.meth=X509_asn1_meth();\n\t\ti=ASN1_i2d_bio(i2d_ASN1_HEADER,out,(unsigned char *)&ah);\n\t\t}\n\telse\t{\n\t\tBIO_printf(bio_err,"bad output format specified for outfile\\n");\n\t\tgoto end;\n\t\t}\n\tif (!i) {\n\t\tBIO_printf(bio_err,"unable to write certificate\\n");\n\t\tERR_print_errors(bio_err);\n\t\tgoto end;\n\t\t}\n\tret=0;\nend:\n\tOBJ_cleanup();\n\tCONF_free(extconf);\n\tBIO_free(out);\n\tBIO_free(STDout);\n\tX509_STORE_free(ctx);\n\tX509_REQ_free(req);\n\tX509_free(x);\n\tX509_free(xca);\n\tEVP_PKEY_free(Upkey);\n\tEVP_PKEY_free(CApkey);\n\tX509_REQ_free(rq);\n\tX509V3_EXT_cleanup();\n\tEXIT(ret);\n\t}', 'int i2d_X509(X509 *a, unsigned char **pp)\n\t{\n\tM_ASN1_I2D_vars(a);\n\tM_ASN1_I2D_len(a->cert_info,\ti2d_X509_CINF);\n\tM_ASN1_I2D_len(a->sig_alg,\ti2d_X509_ALGOR);\n\tM_ASN1_I2D_len(a->signature,\ti2d_ASN1_BIT_STRING);\n\tM_ASN1_I2D_seq_total();\n\tM_ASN1_I2D_put(a->cert_info,\ti2d_X509_CINF);\n\tM_ASN1_I2D_put(a->sig_alg,\ti2d_X509_ALGOR);\n\tM_ASN1_I2D_put(a->signature,\ti2d_ASN1_BIT_STRING);\n\tM_ASN1_I2D_finish();\n\t}', 'int i2d_X509_PUBKEY(X509_PUBKEY *a, unsigned char **pp)\n\t{\n\tM_ASN1_I2D_vars(a);\n\tM_ASN1_I2D_len(a->algor,\ti2d_X509_ALGOR);\n\tM_ASN1_I2D_len(a->public_key,\ti2d_ASN1_BIT_STRING);\n\tM_ASN1_I2D_seq_total();\n\tM_ASN1_I2D_put(a->algor,\ti2d_X509_ALGOR);\n\tM_ASN1_I2D_put(a->public_key,\ti2d_ASN1_BIT_STRING);\n\tM_ASN1_I2D_finish();\n\t}', 'void ASN1_put_object(unsigned char **pp, int constructed, int length, int tag,\n\t int xclass)\n\t{\n\tunsigned char *p= *pp;\n\tint i;\n\ti=(constructed)?V_ASN1_CONSTRUCTED:0;\n\ti|=(xclass&V_ASN1_PRIVATE);\n\tif (tag < 31)\n\t\t*(p++)=i|(tag&V_ASN1_PRIMITIVE_TAG);\n\telse\n\t\t{\n\t\t*(p++)=i|V_ASN1_PRIMITIVE_TAG;\n\t\twhile (tag > 0x7f)\n\t\t\t{\n\t\t\t*(p++)=(tag&0x7f)|0x80;\n\t\t\ttag>>=7;\n\t\t\t}\n\t\t*(p++)=(tag&0x7f);\n\t\t}\n\tif ((constructed == 2) && (length == 0))\n\t\t*(p++)=0x80;\n\telse\n\t\tasn1_put_length(&p,length);\n\t*pp=p;\n\t}', 'static void asn1_put_length(unsigned char **pp, int length)\n\t{\n\tunsigned char *p= *pp;\n\tint i,l;\n\tif (length <= 127)\n\t\t*(p++)=(unsigned char)length;\n\telse\n\t\t{\n\t\tl=length;\n\t\tfor (i=0; l > 0; i++)\n\t\t\tl>>=8;\n\t\t*(p++)=i|0x80;\n\t\tl=i;\n\t\twhile (i-- > 0)\n\t\t\t{\n\t\t\tp[i]=length&0xff;\n\t\t\tlength>>=8;\n\t\t\t}\n\t\tp+=l;\n\t\t}\n\t*pp=p;\n\t}'] |
11,711 | 0 | https://github.com/openssl/openssl/blob/d65c3615f6c658478503f4862f8055203a98038c/crypto/bn/bn_rand.c/#L82 | 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;
} | ['int test_sub(BIO *bp)\n{\n BIGNUM *a, *b, *c;\n int i;\n a = BN_new();\n b = BN_new();\n c = BN_new();\n for (i = 0; i < num0 + num1; i++) {\n if (i < num1) {\n BN_bntest_rand(a, 512, 0, 0);\n BN_copy(b, a);\n if (BN_set_bit(a, i) == 0)\n return (0);\n BN_add_word(b, i);\n } else {\n BN_bntest_rand(b, 400 + i - num1, 0, 0);\n a->neg = rand_neg();\n b->neg = rand_neg();\n }\n BN_sub(c, a, b);\n if (bp != NULL) {\n if (!results) {\n BN_print(bp, a);\n BIO_puts(bp, " - ");\n BN_print(bp, b);\n BIO_puts(bp, " - ");\n }\n BN_print(bp, c);\n BIO_puts(bp, "\\n");\n }\n BN_add(c, c, b);\n BN_sub(c, c, a);\n if (!BN_is_zero(c)) {\n fprintf(stderr, "Subtract test failed!\\n");\n return 0;\n }\n }\n BN_free(a);\n BN_free(b);\n BN_free(c);\n return (1);\n}', 'int BN_bntest_rand(BIGNUM *rnd, int bits, int top, int bottom)\n{\n return bnrand(2, rnd, bits, top, bottom);\n}', 'static int bnrand(int pseudorand, BIGNUM *rnd, int bits, int top, int bottom)\n{\n unsigned char *buf = NULL;\n int ret = 0, bit, bytes, mask;\n time_t tim;\n if (bits == 0) {\n if (top != BN_RAND_TOP_ANY || bottom != BN_RAND_BOTTOM_ANY)\n goto toosmall;\n BN_zero(rnd);\n return 1;\n }\n if (bits < 0 || (bits == 1 && top > 0))\n goto toosmall;\n bytes = (bits + 7) / 8;\n bit = (bits - 1) % 8;\n mask = 0xff << (bit + 1);\n buf = OPENSSL_malloc(bytes);\n if (buf == NULL) {\n BNerr(BN_F_BNRAND, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n time(&tim);\n RAND_add(&tim, sizeof(tim), 0.0);\n if (RAND_bytes(buf, bytes) <= 0)\n goto err;\n if (pseudorand == 2) {\n int i;\n unsigned char c;\n for (i = 0; i < bytes; i++) {\n if (RAND_bytes(&c, 1) <= 0)\n goto err;\n if (c >= 128 && i > 0)\n buf[i] = buf[i - 1];\n else if (c < 42)\n buf[i] = 0;\n else if (c < 84)\n buf[i] = 255;\n }\n }\n if (top >= 0) {\n if (top) {\n if (bit == 0) {\n buf[0] = 1;\n buf[1] |= 0x80;\n } else {\n buf[0] |= (3 << (bit - 1));\n }\n } else {\n buf[0] |= (1 << bit);\n }\n }\n buf[0] &= ~mask;\n if (bottom)\n buf[bytes - 1] |= 1;\n if (!BN_bin2bn(buf, bytes, rnd))\n goto err;\n ret = 1;\n err:\n OPENSSL_clear_free(buf, bytes);\n bn_check_top(rnd);\n return (ret);\ntoosmall:\n BNerr(BN_F_BNRAND, BN_R_BITS_TOO_SMALL);\n return 0;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)\n return malloc_impl(num, file, line);\n if (num <= 0)\n return NULL;\n allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n osslargused(file); osslargused(line);\n ret = malloc(num);\n#endif\n return ret;\n}'] |
11,712 | 0 | https://github.com/openssl/openssl/blob/16bce0e08b16b28a1953795bde3f913957b08ef2/ssl/packet.c/#L49 | 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;
}
*allocbytes = GETBUF(pkt) + pkt->curr;
return 1;
} | ['int tls_construct_server_hello(SSL *s, WPACKET *pkt)\n{\n int compm, al = SSL_AD_INTERNAL_ERROR;\n size_t sl, len;\n if (!WPACKET_put_bytes_u16(pkt, s->version)\n || !WPACKET_memcpy(pkt, s->s3->server_random, SSL3_RANDOM_SIZE)) {\n SSLerr(SSL_F_TLS_CONSTRUCT_SERVER_HELLO, ERR_R_INTERNAL_ERROR);\n goto err;\n }\n if (s->session->not_resumable ||\n (!(s->ctx->session_cache_mode & SSL_SESS_CACHE_SERVER)\n && !s->hit))\n s->session->session_id_length = 0;\n sl = s->session->session_id_length;\n if (sl > sizeof(s->session->session_id)) {\n SSLerr(SSL_F_TLS_CONSTRUCT_SERVER_HELLO, ERR_R_INTERNAL_ERROR);\n goto err;\n }\n#ifdef OPENSSL_NO_COMP\n compm = 0;\n#else\n if (s->s3->tmp.new_compression == NULL)\n compm = 0;\n else\n compm = s->s3->tmp.new_compression->id;\n#endif\n if (!WPACKET_sub_memcpy_u8(pkt, s->session->session_id, sl)\n || !s->method->put_cipher_by_char(s->s3->tmp.new_cipher, pkt, &len)\n || !WPACKET_put_bytes_u8(pkt, compm)\n || !ssl_prepare_serverhello_tlsext(s)\n || !ssl_add_serverhello_tlsext(s, pkt, &al)) {\n SSLerr(SSL_F_TLS_CONSTRUCT_SERVER_HELLO, ERR_R_INTERNAL_ERROR);\n goto err;\n }\n return 1;\n err:\n ssl3_send_alert(s, SSL3_AL_FATAL, SSL_AD_INTERNAL_ERROR);\n return 0;\n}', 'int WPACKET_put_bytes__(WPACKET *pkt, unsigned int val, size_t size)\n{\n unsigned char *data;\n assert(size <= sizeof(unsigned int));\n if (size > sizeof(unsigned int)\n || !WPACKET_allocate_bytes(pkt, size, &data)\n || !put_value(data, val, size))\n return 0;\n return 1;\n}', 'int ssl_add_serverhello_tlsext(SSL *s, WPACKET *pkt, int *al)\n{\n#ifndef OPENSSL_NO_NEXTPROTONEG\n int next_proto_neg_seen;\n#endif\n#ifndef OPENSSL_NO_EC\n unsigned long alg_k = s->s3->tmp.new_cipher->algorithm_mkey;\n unsigned long alg_a = s->s3->tmp.new_cipher->algorithm_auth;\n int using_ecc = (alg_k & SSL_kECDHE) || (alg_a & SSL_aECDSA);\n using_ecc = using_ecc && (s->session->tlsext_ecpointformatlist != NULL);\n#endif\n if (!WPACKET_start_sub_packet_u16(pkt)\n || !WPACKET_set_flags(pkt, WPACKET_FLAGS_ABANDON_ON_ZERO_LENGTH)) {\n SSLerr(SSL_F_SSL_ADD_SERVERHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n if (s->s3->send_connection_binding &&\n !ssl_add_serverhello_renegotiate_ext(s, pkt)) {\n SSLerr(SSL_F_SSL_ADD_SERVERHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n if (s->version == SSL3_VERSION)\n goto done;\n if (!s->hit && s->servername_done == 1\n && s->session->tlsext_hostname != NULL) {\n if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_server_name)\n || !WPACKET_put_bytes_u16(pkt, 0)) {\n SSLerr(SSL_F_SSL_ADD_SERVERHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n }\n#ifndef OPENSSL_NO_EC\n if (using_ecc) {\n const unsigned char *plist;\n size_t plistlen;\n tls1_get_formatlist(s, &plist, &plistlen);\n if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_ec_point_formats)\n || !WPACKET_start_sub_packet_u16(pkt)\n || !WPACKET_sub_memcpy_u8(pkt, plist, plistlen)\n || !WPACKET_close(pkt)) {\n SSLerr(SSL_F_SSL_ADD_SERVERHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n }\n#endif\n if (s->tlsext_ticket_expected && tls_use_ticket(s)) {\n if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_session_ticket)\n || !WPACKET_put_bytes_u16(pkt, 0)) {\n SSLerr(SSL_F_SSL_ADD_SERVERHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n } else {\n s->tlsext_ticket_expected = 0;\n }\n if (s->tlsext_status_expected) {\n if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_status_request)\n || !WPACKET_put_bytes_u16(pkt, 0)) {\n SSLerr(SSL_F_SSL_ADD_SERVERHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n }\n#ifndef OPENSSL_NO_SRTP\n if (SSL_IS_DTLS(s) && s->srtp_profile) {\n if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_use_srtp)\n || !WPACKET_start_sub_packet_u16(pkt)\n || !WPACKET_put_bytes_u16(pkt, 2)\n || !WPACKET_put_bytes_u16(pkt, s->srtp_profile->id)\n || !WPACKET_put_bytes_u8(pkt, 0)\n || !WPACKET_close(pkt)) {\n SSLerr(SSL_F_SSL_ADD_SERVERHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n }\n#endif\n if (((s->s3->tmp.new_cipher->id & 0xFFFF) == 0x80\n || (s->s3->tmp.new_cipher->id & 0xFFFF) == 0x81)\n && (SSL_get_options(s) & SSL_OP_CRYPTOPRO_TLSEXT_BUG)) {\n const unsigned char cryptopro_ext[36] = {\n 0xfd, 0xe8,\n 0x00, 0x20,\n 0x30, 0x1e, 0x30, 0x08, 0x06, 0x06, 0x2a, 0x85,\n 0x03, 0x02, 0x02, 0x09, 0x30, 0x08, 0x06, 0x06,\n 0x2a, 0x85, 0x03, 0x02, 0x02, 0x16, 0x30, 0x08,\n 0x06, 0x06, 0x2a, 0x85, 0x03, 0x02, 0x02, 0x17\n };\n if (!WPACKET_memcpy(pkt, cryptopro_ext, sizeof(cryptopro_ext))) {\n SSLerr(SSL_F_SSL_ADD_SERVERHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n }\n#ifndef OPENSSL_NO_HEARTBEATS\n if (SSL_IS_DTLS(s) && (s->tlsext_heartbeat & SSL_DTLSEXT_HB_ENABLED)) {\n unsigned int mode;\n if (s->tlsext_heartbeat & SSL_DTLSEXT_HB_DONT_RECV_REQUESTS)\n mode = SSL_DTLSEXT_HB_DONT_SEND_REQUESTS;\n else\n mode = SSL_DTLSEXT_HB_ENABLED;\n if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_heartbeat)\n || !WPACKET_start_sub_packet_u16(pkt)\n || !WPACKET_put_bytes_u8(pkt, mode)\n || !WPACKET_close(pkt)) {\n SSLerr(SSL_F_SSL_ADD_SERVERHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n }\n#endif\n#ifndef OPENSSL_NO_NEXTPROTONEG\n next_proto_neg_seen = s->s3->next_proto_neg_seen;\n s->s3->next_proto_neg_seen = 0;\n if (next_proto_neg_seen && s->ctx->next_protos_advertised_cb) {\n const unsigned char *npa;\n unsigned int npalen;\n int r;\n r = s->ctx->next_protos_advertised_cb(s, &npa, &npalen,\n s->\n ctx->next_protos_advertised_cb_arg);\n if (r == SSL_TLSEXT_ERR_OK) {\n if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_next_proto_neg)\n || !WPACKET_sub_memcpy_u16(pkt, npa, npalen)) {\n SSLerr(SSL_F_SSL_ADD_SERVERHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n s->s3->next_proto_neg_seen = 1;\n }\n }\n#endif\n if (!custom_ext_add(s, 1, pkt, al)) {\n SSLerr(SSL_F_SSL_ADD_SERVERHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n if (s->s3->flags & TLS1_FLAGS_ENCRYPT_THEN_MAC) {\n if (s->s3->tmp.new_cipher->algorithm_mac == SSL_AEAD\n || s->s3->tmp.new_cipher->algorithm_enc == SSL_RC4\n || s->s3->tmp.new_cipher->algorithm_enc == SSL_eGOST2814789CNT\n || s->s3->tmp.new_cipher->algorithm_enc == SSL_eGOST2814789CNT12)\n s->s3->flags &= ~TLS1_FLAGS_ENCRYPT_THEN_MAC;\n else {\n if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_encrypt_then_mac)\n || !WPACKET_put_bytes_u16(pkt, 0)) {\n SSLerr(SSL_F_SSL_ADD_SERVERHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n }\n }\n if (s->s3->flags & TLS1_FLAGS_RECEIVED_EXTMS) {\n if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_extended_master_secret)\n || !WPACKET_put_bytes_u16(pkt, 0)) {\n SSLerr(SSL_F_SSL_ADD_SERVERHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n }\n if (s->s3->alpn_selected != NULL) {\n if (!WPACKET_put_bytes_u16(pkt,\n TLSEXT_TYPE_application_layer_protocol_negotiation)\n || !WPACKET_start_sub_packet_u16(pkt)\n || !WPACKET_start_sub_packet_u16(pkt)\n || !WPACKET_sub_memcpy_u8(pkt, s->s3->alpn_selected,\n s->s3->alpn_selected_len)\n || !WPACKET_close(pkt)\n || !WPACKET_close(pkt)) {\n SSLerr(SSL_F_SSL_ADD_SERVERHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n }\n done:\n if (!WPACKET_close(pkt)) {\n SSLerr(SSL_F_SSL_ADD_SERVERHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n return 1;\n}', 'int WPACKET_start_sub_packet_len__(WPACKET *pkt, size_t lenbytes)\n{\n WPACKET_SUB *sub;\n unsigned char *lenchars;\n assert(pkt->subs != NULL);\n if (pkt->subs == NULL)\n return 0;\n sub = OPENSSL_zalloc(sizeof(*sub));\n if (sub == NULL)\n return 0;\n sub->parent = pkt->subs;\n pkt->subs = sub;\n sub->pwritten = pkt->written + lenbytes;\n sub->lenbytes = lenbytes;\n if (lenbytes == 0) {\n sub->packet_len = 0;\n return 1;\n }\n if (!WPACKET_allocate_bytes(pkt, lenbytes, &lenchars))\n return 0;\n sub->packet_len = lenchars - GETBUF(pkt);\n return 1;\n}', 'int WPACKET_allocate_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)\n{\n if (!WPACKET_reserve_bytes(pkt, len, allocbytes))\n return 0;\n pkt->written += len;\n pkt->curr += len;\n return 1;\n}', 'int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)\n{\n assert(pkt->subs != NULL && len != 0);\n if (pkt->subs == NULL || len == 0)\n return 0;\n if (pkt->maxsize - pkt->written < len)\n return 0;\n if (pkt->staticbuf == NULL && (pkt->buf->length - pkt->written < len)) {\n size_t newlen;\n size_t reflen;\n reflen = (len > pkt->buf->length) ? len : pkt->buf->length;\n if (reflen > SIZE_MAX / 2) {\n newlen = SIZE_MAX;\n } else {\n newlen = reflen * 2;\n if (newlen < DEFAULT_BUF_SIZE)\n newlen = DEFAULT_BUF_SIZE;\n }\n if (BUF_MEM_grow(pkt->buf, newlen) == 0)\n return 0;\n }\n *allocbytes = GETBUF(pkt) + pkt->curr;\n return 1;\n}'] |
11,713 | 0 | https://github.com/openssl/openssl/blob/24b8e4b2c835d6bf52c2768d4d4a78ed7d7e85bb/ssl/packet.c/#L49 | 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;
} | ['int tls_construct_client_hello(SSL *s, WPACKET *pkt)\n{\n unsigned char *p;\n size_t sess_id_len;\n int i, protverr;\n int al = SSL_AD_HANDSHAKE_FAILURE;\n#ifndef OPENSSL_NO_COMP\n SSL_COMP *comp;\n#endif\n SSL_SESSION *sess = s->session;\n if (!WPACKET_set_max_size(pkt, SSL3_RT_MAX_PLAIN_LENGTH)) {\n SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_HELLO, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n protverr = ssl_set_client_hello_version(s);\n if (protverr != 0) {\n SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_HELLO, protverr);\n return 0;\n }\n if ((sess == NULL) || !ssl_version_supported(s, sess->ssl_version) ||\n (!sess->session_id_length && !sess->tlsext_tick) ||\n (sess->not_resumable)) {\n if (!ssl_get_new_session(s, 0))\n return 0;\n }\n p = s->s3->client_random;\n if (SSL_IS_DTLS(s)) {\n size_t idx;\n i = 1;\n for (idx = 0; idx < sizeof(s->s3->client_random); idx++) {\n if (p[idx]) {\n i = 0;\n break;\n }\n }\n } else\n i = 1;\n if (i && ssl_fill_hello_random(s, 0, p, sizeof(s->s3->client_random)) <= 0)\n return 0;\n if (!WPACKET_put_bytes_u16(pkt, s->client_version)\n || !WPACKET_memcpy(pkt, s->s3->client_random, SSL3_RANDOM_SIZE)) {\n SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_HELLO, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n if (s->new_session)\n sess_id_len = 0;\n else\n sess_id_len = s->session->session_id_length;\n if (sess_id_len > sizeof(s->session->session_id)\n || !WPACKET_start_sub_packet_u8(pkt)\n || (sess_id_len != 0 && !WPACKET_memcpy(pkt, s->session->session_id,\n sess_id_len))\n || !WPACKET_close(pkt)) {\n SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_HELLO, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n if (SSL_IS_DTLS(s)) {\n if (s->d1->cookie_len > sizeof(s->d1->cookie)\n || !WPACKET_sub_memcpy_u8(pkt, s->d1->cookie,\n s->d1->cookie_len)) {\n SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_HELLO, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n }\n if (!WPACKET_start_sub_packet_u16(pkt)) {\n SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_HELLO, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n if (!ssl_cipher_list_to_bytes(s, SSL_get_ciphers(s), pkt))\n return 0;\n if (!WPACKET_close(pkt)) {\n SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_HELLO, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n if (!WPACKET_start_sub_packet_u8(pkt)) {\n SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_HELLO, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n#ifndef OPENSSL_NO_COMP\n if (ssl_allow_compression(s) && s->ctx->comp_methods) {\n int compnum = sk_SSL_COMP_num(s->ctx->comp_methods);\n for (i = 0; i < compnum; i++) {\n comp = sk_SSL_COMP_value(s->ctx->comp_methods, i);\n if (!WPACKET_put_bytes_u8(pkt, comp->id)) {\n SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_HELLO, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n }\n }\n#endif\n if (!WPACKET_put_bytes_u8(pkt, 0) || !WPACKET_close(pkt)) {\n SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_HELLO, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n if (!tls_construct_extensions(s, pkt, EXT_CLIENT_HELLO, &al)) {\n ssl3_send_alert(s, SSL3_AL_FATAL, al);\n SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_HELLO, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n return 1;\n}', 'int WPACKET_start_sub_packet_len__(WPACKET *pkt, size_t lenbytes)\n{\n WPACKET_SUB *sub;\n unsigned char *lenchars;\n assert(pkt->subs != NULL);\n if (pkt->subs == NULL)\n return 0;\n sub = OPENSSL_zalloc(sizeof(*sub));\n if (sub == NULL)\n return 0;\n sub->parent = pkt->subs;\n pkt->subs = sub;\n sub->pwritten = pkt->written + lenbytes;\n sub->lenbytes = lenbytes;\n if (lenbytes == 0) {\n sub->packet_len = 0;\n return 1;\n }\n if (!WPACKET_allocate_bytes(pkt, lenbytes, &lenchars))\n return 0;\n sub->packet_len = lenchars - GETBUF(pkt);\n return 1;\n}', 'int WPACKET_memcpy(WPACKET *pkt, const void *src, size_t len)\n{\n unsigned char *dest;\n if (len == 0)\n return 1;\n if (!WPACKET_allocate_bytes(pkt, len, &dest))\n return 0;\n memcpy(dest, src, len);\n return 1;\n}', 'int WPACKET_allocate_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)\n{\n if (!WPACKET_reserve_bytes(pkt, len, allocbytes))\n return 0;\n pkt->written += len;\n pkt->curr += len;\n return 1;\n}', 'int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)\n{\n assert(pkt->subs != NULL && len != 0);\n if (pkt->subs == NULL || len == 0)\n return 0;\n if (pkt->maxsize - pkt->written < len)\n return 0;\n if (pkt->staticbuf == NULL && (pkt->buf->length - pkt->written < len)) {\n size_t newlen;\n size_t reflen;\n reflen = (len > pkt->buf->length) ? len : pkt->buf->length;\n if (reflen > SIZE_MAX / 2) {\n newlen = SIZE_MAX;\n } else {\n newlen = reflen * 2;\n if (newlen < DEFAULT_BUF_SIZE)\n newlen = DEFAULT_BUF_SIZE;\n }\n if (BUF_MEM_grow(pkt->buf, newlen) == 0)\n return 0;\n }\n if (allocbytes != NULL)\n *allocbytes = WPACKET_get_curr(pkt);\n return 1;\n}'] |
11,714 | 0 | https://github.com/openssl/openssl/blob/f006217bb628d05a2d5b866ff252bd94e3477e1f/crypto/x509/x509_vfy.c/#L1070 | 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;
}
}
} | ['static void crl_akid_check(X509_STORE_CTX *ctx, X509_CRL *crl,\n X509 **pissuer, int *pcrl_score)\n{\n X509 *crl_issuer = NULL;\n X509_NAME *cnm = X509_CRL_get_issuer(crl);\n int cidx = ctx->error_depth;\n int i;\n if (cidx != sk_X509_num(ctx->chain) - 1)\n cidx++;\n crl_issuer = sk_X509_value(ctx->chain, cidx);\n if (X509_check_akid(crl_issuer, crl->akid) == X509_V_OK) {\n if (*pcrl_score & CRL_SCORE_ISSUER_NAME) {\n *pcrl_score |= CRL_SCORE_AKID | CRL_SCORE_ISSUER_CERT;\n *pissuer = crl_issuer;\n return;\n }\n }\n for (cidx++; cidx < sk_X509_num(ctx->chain); cidx++) {\n crl_issuer = sk_X509_value(ctx->chain, cidx);\n if (X509_NAME_cmp(X509_get_subject_name(crl_issuer), cnm))\n continue;\n if (X509_check_akid(crl_issuer, crl->akid) == X509_V_OK) {\n *pcrl_score |= CRL_SCORE_AKID | CRL_SCORE_SAME_PATH;\n *pissuer = crl_issuer;\n return;\n }\n }\n if (!(ctx->param->flags & X509_V_FLAG_EXTENDED_CRL_SUPPORT))\n return;\n for (i = 0; i < sk_X509_num(ctx->untrusted); i++) {\n crl_issuer = sk_X509_value(ctx->untrusted, i);\n if (X509_NAME_cmp(X509_get_subject_name(crl_issuer), cnm))\n continue;\n if (X509_check_akid(crl_issuer, crl->akid) == X509_V_OK) {\n *pissuer = crl_issuer;\n *pcrl_score |= CRL_SCORE_AKID;\n return;\n }\n }\n}', 'X509_NAME *X509_CRL_get_issuer(X509_CRL *crl)\n{\n return crl->crl.issuer;\n}', 'DEFINE_STACK_OF(X509)', 'int sk_num(const _STACK *st)\n{\n if (st == NULL)\n return -1;\n return st->num;\n}', 'void *sk_value(const _STACK *st, int i)\n{\n if (!st || (i < 0) || (i >= st->num))\n return NULL;\n return st->data[i];\n}', 'int X509_check_akid(X509 *issuer, AUTHORITY_KEYID *akid)\n{\n if (!akid)\n return X509_V_OK;\n if (akid->keyid && issuer->skid &&\n ASN1_OCTET_STRING_cmp(akid->keyid, issuer->skid))\n return X509_V_ERR_AKID_SKID_MISMATCH;\n if (akid->serial &&\n ASN1_INTEGER_cmp(X509_get_serialNumber(issuer), akid->serial))\n return X509_V_ERR_AKID_ISSUER_SERIAL_MISMATCH;\n if (akid->issuer) {\n GENERAL_NAMES *gens;\n GENERAL_NAME *gen;\n X509_NAME *nm = NULL;\n int i;\n gens = akid->issuer;\n for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) {\n gen = sk_GENERAL_NAME_value(gens, i);\n if (gen->type == GEN_DIRNAME) {\n nm = gen->d.dirn;\n break;\n }\n }\n if (nm && X509_NAME_cmp(nm, X509_get_issuer_name(issuer)))\n return X509_V_ERR_AKID_ISSUER_SERIAL_MISMATCH;\n }\n return X509_V_OK;\n}', 'X509_NAME *X509_get_subject_name(X509 *a)\n{\n return (a->cert_info.subject);\n}'] |
11,715 | 0 | https://github.com/openssl/openssl/blob/38d1b3cc0271008b8bd130a2c4b442775b028a08/crypto/bn/bn_shift.c/#L110 | 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);
} | ['static BIGNUM *euclid(BIGNUM *a, BIGNUM *b)\n{\n BIGNUM *t;\n int shifts = 0;\n bn_check_top(a);\n bn_check_top(b);\n while (!BN_is_zero(b)) {\n if (BN_is_odd(a)) {\n if (BN_is_odd(b)) {\n if (!BN_sub(a, a, b))\n goto err;\n if (!BN_rshift1(a, a))\n goto err;\n if (BN_cmp(a, b) < 0) {\n t = a;\n a = b;\n b = t;\n }\n } else {\n if (!BN_rshift1(b, b))\n goto err;\n if (BN_cmp(a, b) < 0) {\n t = a;\n a = b;\n b = t;\n }\n }\n } else {\n if (BN_is_odd(b)) {\n if (!BN_rshift1(a, a))\n goto err;\n if (BN_cmp(a, b) < 0) {\n t = a;\n a = b;\n b = t;\n }\n } else {\n if (!BN_rshift1(a, a))\n goto err;\n if (!BN_rshift1(b, b))\n goto err;\n shifts++;\n }\n }\n }\n if (shifts) {\n if (!BN_lshift(a, a, shifts))\n goto err;\n }\n bn_check_top(a);\n return (a);\n err:\n return (NULL);\n}', 'int BN_lshift(BIGNUM *r, const BIGNUM *a, int n)\n{\n int i, nw, lb, rb;\n BN_ULONG *t, *f;\n BN_ULONG l;\n bn_check_top(r);\n bn_check_top(a);\n if (n < 0) {\n BNerr(BN_F_BN_LSHIFT, BN_R_INVALID_SHIFT);\n return 0;\n }\n nw = n / BN_BITS2;\n if (bn_wexpand(r, a->top + nw + 1) == NULL)\n return (0);\n r->neg = a->neg;\n lb = n % BN_BITS2;\n rb = BN_BITS2 - lb;\n f = a->d;\n t = r->d;\n t[a->top + nw] = 0;\n if (lb == 0)\n for (i = a->top - 1; i >= 0; i--)\n t[nw + i] = f[i];\n else\n for (i = a->top - 1; i >= 0; i--) {\n l = f[i];\n t[nw + i + 1] |= (l >> rb) & BN_MASK2;\n t[nw + i] = (l << lb) & BN_MASK2;\n }\n memset(t, 0, sizeof(*t) * nw);\n r->top = a->top + nw + 1;\n bn_correct_top(r);\n bn_check_top(r);\n return (1);\n}', 'BIGNUM *bn_wexpand(BIGNUM *a, int words)\n{\n return (words <= a->dmax) ? a : bn_expand2(a, words);\n}'] |
11,716 | 0 | https://github.com/openssl/openssl/blob/828d04afe40caaa19cff23b0ba04008a4313e30e/crypto/dso/dso_lib.c/#L97 | static DSO *DSO_new_method(DSO_METHOD *meth)
{
DSO *ret;
if (default_DSO_meth == NULL) {
default_DSO_meth = DSO_METHOD_openssl();
}
ret = OPENSSL_zalloc(sizeof(*ret));
if (ret == NULL) {
DSOerr(DSO_F_DSO_NEW_METHOD, ERR_R_MALLOC_FAILURE);
return (NULL);
}
ret->meth_data = sk_void_new_null();
if (ret->meth_data == NULL) {
DSOerr(DSO_F_DSO_NEW_METHOD, ERR_R_MALLOC_FAILURE);
OPENSSL_free(ret);
return (NULL);
}
ret->meth = default_DSO_meth;
ret->references = 1;
ret->lock = CRYPTO_THREAD_lock_new();
if (ret->lock == NULL) {
sk_void_free(ret->meth_data);
OPENSSL_free(ret);
return NULL;
}
if ((ret->meth->init != NULL) && !ret->meth->init(ret)) {
DSO_free(ret);
ret = NULL;
}
return ret;
} | ['static DSO *DSO_new_method(DSO_METHOD *meth)\n{\n DSO *ret;\n if (default_DSO_meth == NULL) {\n default_DSO_meth = DSO_METHOD_openssl();\n }\n ret = OPENSSL_zalloc(sizeof(*ret));\n if (ret == NULL) {\n DSOerr(DSO_F_DSO_NEW_METHOD, ERR_R_MALLOC_FAILURE);\n return (NULL);\n }\n ret->meth_data = sk_void_new_null();\n if (ret->meth_data == NULL) {\n DSOerr(DSO_F_DSO_NEW_METHOD, ERR_R_MALLOC_FAILURE);\n OPENSSL_free(ret);\n return (NULL);\n }\n ret->meth = default_DSO_meth;\n ret->references = 1;\n ret->lock = CRYPTO_THREAD_lock_new();\n if (ret->lock == NULL) {\n sk_void_free(ret->meth_data);\n OPENSSL_free(ret);\n return NULL;\n }\n if ((ret->meth->init != NULL) && !ret->meth->init(ret)) {\n DSO_free(ret);\n ret = NULL;\n }\n return ret;\n}', 'void *CRYPTO_zalloc(size_t num, const char *file, int line)\n{\n void *ret = CRYPTO_malloc(num, file, line);\n if (ret != NULL)\n memset(ret, 0, num);\n return ret;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)\n return malloc_impl(num, file, line);\n if (num <= 0)\n return NULL;\n allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n osslargused(file); osslargused(line);\n ret = malloc(num);\n#endif\n return ret;\n}', 'DEFINE_STACK_OF(void)', '_STACK *sk_new_null(void)\n{\n return sk_new((int (*)(const void *, const void *))0);\n}', 'CRYPTO_RWLOCK *CRYPTO_THREAD_lock_new(void)\n{\n CRYPTO_RWLOCK *lock = OPENSSL_zalloc(sizeof(pthread_rwlock_t));\n if (lock == NULL)\n return NULL;\n if (pthread_rwlock_init(lock, NULL) != 0) {\n OPENSSL_free(lock);\n return NULL;\n }\n return lock;\n}'] |
11,717 | 0 | https://github.com/openssl/openssl/blob/183733f882056ea3e6fe95e665b85fcc6a45dcb4/crypto/async/async.c/#L386 | int ASYNC_init_thread(size_t max_size, size_t init_size)
{
async_pool *pool;
size_t curr_size = 0;
if (init_size > max_size) {
ASYNCerr(ASYNC_F_ASYNC_INIT_THREAD, ASYNC_R_INVALID_POOL_SIZE);
return 0;
}
OPENSSL_INIT_crypto_library_start(OPENSSL_INIT_ASYNC, NULL);
if (!ossl_init_thread_start(OPENSSL_INIT_THREAD_ASYNC)) {
ASYNCerr(ASYNC_F_ASYNC_INIT_THREAD, ERR_R_MALLOC_FAILURE);
return 0;
}
pool = OPENSSL_zalloc(sizeof *pool);
if (pool == NULL) {
ASYNCerr(ASYNC_F_ASYNC_INIT_THREAD, ERR_R_MALLOC_FAILURE);
return 0;
}
pool->jobs = sk_ASYNC_JOB_new_null();
if (pool->jobs == NULL) {
ASYNCerr(ASYNC_F_ASYNC_INIT_THREAD, ERR_R_MALLOC_FAILURE);
OPENSSL_free(pool);
return 0;
}
pool->max_size = max_size;
while (init_size--) {
ASYNC_JOB *job;
job = async_job_new();
if (job == NULL || !async_fibre_makecontext(&job->fibrectx)) {
async_job_free(job);
break;
}
job->funcargs = NULL;
sk_ASYNC_JOB_push(pool->jobs, job);
curr_size++;
}
pool->curr_size = curr_size;
if (!async_set_pool(pool)) {
ASYNCerr(ASYNC_F_ASYNC_INIT_THREAD, ASYNC_R_FAILED_TO_SET_POOL);
goto err;
}
return 1;
err:
async_free_pool_internal(pool);
return 0;
} | ['static int test_ASYNC_get_wait_fd()\n{\n ASYNC_JOB *job = NULL;\n int funcret;\n OSSL_ASYNC_FD fd;\n if ( !ASYNC_init_thread(1, 0)\n || ASYNC_start_job(&job, &funcret, wake, NULL, 0)\n != ASYNC_PAUSE\n || (fd = ASYNC_get_wait_fd(job)) < 0\n || hasdata(fd) != 0\n || ASYNC_start_job(&job, &funcret, save_current, NULL, 0)\n != ASYNC_PAUSE\n || hasdata(fd) != 1\n || (ASYNC_clear_wake(job), 0)\n || hasdata(fd) != 0\n || (ASYNC_wake(job), 0)\n || hasdata(fd) != 1\n || ASYNC_start_job(&job, &funcret, save_current, NULL, 0)\n != ASYNC_FINISH\n || funcret != 1) {\n fprintf(stderr, "test_ASYNC_get_wait_fd() failed\\n");\n ASYNC_cleanup_thread();\n return 0;\n }\n ASYNC_cleanup_thread();\n return 1;\n}', 'int ASYNC_init_thread(size_t max_size, size_t init_size)\n{\n async_pool *pool;\n size_t curr_size = 0;\n if (init_size > max_size) {\n ASYNCerr(ASYNC_F_ASYNC_INIT_THREAD, ASYNC_R_INVALID_POOL_SIZE);\n return 0;\n }\n OPENSSL_INIT_crypto_library_start(OPENSSL_INIT_ASYNC, NULL);\n if (!ossl_init_thread_start(OPENSSL_INIT_THREAD_ASYNC)) {\n ASYNCerr(ASYNC_F_ASYNC_INIT_THREAD, ERR_R_MALLOC_FAILURE);\n return 0;\n }\n pool = OPENSSL_zalloc(sizeof *pool);\n if (pool == NULL) {\n ASYNCerr(ASYNC_F_ASYNC_INIT_THREAD, ERR_R_MALLOC_FAILURE);\n return 0;\n }\n pool->jobs = sk_ASYNC_JOB_new_null();\n if (pool->jobs == NULL) {\n ASYNCerr(ASYNC_F_ASYNC_INIT_THREAD, ERR_R_MALLOC_FAILURE);\n OPENSSL_free(pool);\n return 0;\n }\n pool->max_size = max_size;\n while (init_size--) {\n ASYNC_JOB *job;\n job = async_job_new();\n if (job == NULL || !async_fibre_makecontext(&job->fibrectx)) {\n async_job_free(job);\n break;\n }\n job->funcargs = NULL;\n sk_ASYNC_JOB_push(pool->jobs, job);\n curr_size++;\n }\n pool->curr_size = curr_size;\n if (!async_set_pool(pool)) {\n ASYNCerr(ASYNC_F_ASYNC_INIT_THREAD, ASYNC_R_FAILED_TO_SET_POOL);\n goto err;\n }\n return 1;\nerr:\n async_free_pool_internal(pool);\n return 0;\n}'] |
11,718 | 0 | https://github.com/openssl/openssl/blob/72257204bd2a88773461150765dfd0e0a428ee86/ssl/ssl_ciph.c/#L1167 | static int ssl_cipher_process_rulestr(const char *rule_str,
CIPHER_ORDER **head_p,
CIPHER_ORDER **tail_p,
const SSL_CIPHER **ca_list, CERT *c)
{
uint32_t alg_mkey, alg_auth, alg_enc, alg_mac, algo_strength;
int min_tls;
const char *l, *buf;
int j, multi, found, rule, retval, ok, buflen;
uint32_t cipher_id = 0;
char ch;
retval = 1;
l = rule_str;
for (;;) {
ch = *l;
if (ch == '\0')
break;
if (ch == '-') {
rule = CIPHER_DEL;
l++;
} else if (ch == '+') {
rule = CIPHER_ORD;
l++;
} else if (ch == '!') {
rule = CIPHER_KILL;
l++;
} else if (ch == '@') {
rule = CIPHER_SPECIAL;
l++;
} else {
rule = CIPHER_ADD;
}
if (ITEM_SEP(ch)) {
l++;
continue;
}
alg_mkey = 0;
alg_auth = 0;
alg_enc = 0;
alg_mac = 0;
min_tls = 0;
algo_strength = 0;
for (;;) {
ch = *l;
buf = l;
buflen = 0;
#ifndef CHARSET_EBCDIC
while (((ch >= 'A') && (ch <= 'Z')) ||
((ch >= '0') && (ch <= '9')) ||
((ch >= 'a') && (ch <= 'z')) ||
(ch == '-') || (ch == '.') || (ch == '='))
#else
while (isalnum(ch) || (ch == '-') || (ch == '.') || (ch == '='))
#endif
{
ch = *(++l);
buflen++;
}
if (buflen == 0) {
SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR, SSL_R_INVALID_COMMAND);
retval = found = 0;
l++;
break;
}
if (rule == CIPHER_SPECIAL) {
found = 0;
break;
}
if (ch == '+') {
multi = 1;
l++;
} else
multi = 0;
j = found = 0;
cipher_id = 0;
while (ca_list[j]) {
if (strncmp(buf, ca_list[j]->name, buflen) == 0
&& (ca_list[j]->name[buflen] == '\0')) {
found = 1;
break;
} else
j++;
}
if (!found)
break;
if (ca_list[j]->algorithm_mkey) {
if (alg_mkey) {
alg_mkey &= ca_list[j]->algorithm_mkey;
if (!alg_mkey) {
found = 0;
break;
}
} else
alg_mkey = ca_list[j]->algorithm_mkey;
}
if (ca_list[j]->algorithm_auth) {
if (alg_auth) {
alg_auth &= ca_list[j]->algorithm_auth;
if (!alg_auth) {
found = 0;
break;
}
} else
alg_auth = ca_list[j]->algorithm_auth;
}
if (ca_list[j]->algorithm_enc) {
if (alg_enc) {
alg_enc &= ca_list[j]->algorithm_enc;
if (!alg_enc) {
found = 0;
break;
}
} else
alg_enc = ca_list[j]->algorithm_enc;
}
if (ca_list[j]->algorithm_mac) {
if (alg_mac) {
alg_mac &= ca_list[j]->algorithm_mac;
if (!alg_mac) {
found = 0;
break;
}
} else
alg_mac = ca_list[j]->algorithm_mac;
}
if (ca_list[j]->algo_strength & SSL_STRONG_MASK) {
if (algo_strength & SSL_STRONG_MASK) {
algo_strength &=
(ca_list[j]->algo_strength & SSL_STRONG_MASK) |
~SSL_STRONG_MASK;
if (!(algo_strength & SSL_STRONG_MASK)) {
found = 0;
break;
}
} else
algo_strength = ca_list[j]->algo_strength & SSL_STRONG_MASK;
}
if (ca_list[j]->algo_strength & SSL_DEFAULT_MASK) {
if (algo_strength & SSL_DEFAULT_MASK) {
algo_strength &=
(ca_list[j]->algo_strength & SSL_DEFAULT_MASK) |
~SSL_DEFAULT_MASK;
if (!(algo_strength & SSL_DEFAULT_MASK)) {
found = 0;
break;
}
} else
algo_strength |=
ca_list[j]->algo_strength & SSL_DEFAULT_MASK;
}
if (ca_list[j]->valid) {
cipher_id = ca_list[j]->id;
} else {
if (ca_list[j]->min_tls) {
if (min_tls != 0 && min_tls != ca_list[j]->min_tls) {
found = 0;
break;
} else {
min_tls = ca_list[j]->min_tls;
}
}
}
if (!multi)
break;
}
if (rule == CIPHER_SPECIAL) {
ok = 0;
if ((buflen == 8) && strncmp(buf, "STRENGTH", 8) == 0)
ok = ssl_cipher_strength_sort(head_p, tail_p);
else if (buflen == 10 && strncmp(buf, "SECLEVEL=", 9) == 0) {
int level = buf[9] - '0';
if (level < 0 || level > 5) {
SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR,
SSL_R_INVALID_COMMAND);
} else {
c->sec_level = level;
ok = 1;
}
} else
SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR, SSL_R_INVALID_COMMAND);
if (ok == 0)
retval = 0;
while ((*l != '\0') && !ITEM_SEP(*l))
l++;
} else if (found) {
ssl_cipher_apply_rule(cipher_id,
alg_mkey, alg_auth, alg_enc, alg_mac,
min_tls, algo_strength, rule, -1, head_p,
tail_p);
} else {
while ((*l != '\0') && !ITEM_SEP(*l))
l++;
}
if (*l == '\0')
break;
}
return (retval);
} | ['static int test_client_hello(int currtest)\n{\n SSL_CTX *ctx;\n SSL *con = NULL;\n BIO *rbio;\n BIO *wbio;\n long len;\n unsigned char *data;\n PACKET pkt = {0}, pkt2 = {0}, pkt3 = {0};\n char *dummytick = "Hello World!";\n unsigned int type = 0;\n int testresult = 0;\n size_t msglen;\n BIO *sessbio = NULL;\n SSL_SESSION *sess = NULL;\n#ifdef OPENSSL_NO_TLS1_3\n if (currtest == TEST_ADD_PADDING_AND_PSK)\n return 1;\n#endif\n ctx = SSL_CTX_new(TLS_method());\n if (!TEST_ptr(ctx))\n goto end;\n switch(currtest) {\n case TEST_SET_SESSION_TICK_DATA_VER_NEG:\n if (!TEST_true(SSL_CTX_set_max_proto_version(ctx, TLS1_2_VERSION)))\n goto end;\n break;\n case TEST_ADD_PADDING_AND_PSK:\n case TEST_ADD_PADDING:\n case TEST_PADDING_NOT_NEEDED:\n SSL_CTX_set_options(ctx, SSL_OP_TLSEXT_PADDING);\n if (currtest == TEST_ADD_PADDING\n && (!TEST_true(SSL_CTX_set_cipher_list(ctx, "ALL"))\n || !TEST_false(SSL_CTX_set_alpn_protos(ctx,\n (unsigned char *)alpn_prots,\n sizeof(alpn_prots) - 1))))\n goto end;\n break;\n default:\n goto end;\n }\n con = SSL_new(ctx);\n if (!TEST_ptr(con))\n goto end;\n if (currtest == TEST_ADD_PADDING_AND_PSK) {\n sessbio = BIO_new_file(sessionfile, "r");\n if (!TEST_ptr(sessbio)) {\n TEST_info("Unable to open session.pem");\n goto end;\n }\n sess = PEM_read_bio_SSL_SESSION(sessbio, NULL, NULL, NULL);\n if (!TEST_ptr(sess)) {\n TEST_info("Unable to load SSL_SESSION");\n goto end;\n }\n if (!TEST_true(SSL_SESSION_set_time(sess, time(NULL)))\n || !TEST_true(SSL_set_session(con, sess)))\n goto end;\n }\n rbio = BIO_new(BIO_s_mem());\n wbio = BIO_new(BIO_s_mem());\n if (!TEST_ptr(rbio)|| !TEST_ptr(wbio)) {\n BIO_free(rbio);\n BIO_free(wbio);\n goto end;\n }\n SSL_set_bio(con, rbio, wbio);\n SSL_set_connect_state(con);\n if (currtest == TEST_SET_SESSION_TICK_DATA_VER_NEG) {\n if (!TEST_true(SSL_set_session_ticket_ext(con, dummytick,\n strlen(dummytick))))\n goto end;\n }\n if (!TEST_int_le(SSL_connect(con), 0)) {\n goto end;\n }\n len = BIO_get_mem_data(wbio, (char **)&data);\n if (!TEST_true(PACKET_buf_init(&pkt, data, len))\n || !PACKET_forward(&pkt, SSL3_RT_HEADER_LENGTH))\n goto end;\n msglen = PACKET_remaining(&pkt);\n if (!TEST_true(PACKET_forward(&pkt, SSL3_HM_HEADER_LENGTH))\n || !TEST_true(PACKET_forward(&pkt, CLIENT_VERSION_LEN\n + SSL3_RANDOM_SIZE))\n || !TEST_true(PACKET_get_length_prefixed_1(&pkt, &pkt2))\n || !TEST_true(PACKET_get_length_prefixed_2(&pkt, &pkt2))\n || !TEST_true(PACKET_get_length_prefixed_1(&pkt, &pkt2))\n || !TEST_true(PACKET_as_length_prefixed_2(&pkt, &pkt2)))\n goto end;\n while (PACKET_remaining(&pkt2)) {\n if (!TEST_true(PACKET_get_net_2(&pkt2, &type))\n || !TEST_true(PACKET_get_length_prefixed_2(&pkt2, &pkt3)))\n goto end;\n if (type == TLSEXT_TYPE_session_ticket) {\n if (currtest == TEST_SET_SESSION_TICK_DATA_VER_NEG) {\n if (TEST_true(PACKET_equal(&pkt3, dummytick,\n strlen(dummytick)))) {\n testresult = 1;\n }\n goto end;\n }\n }\n if (type == TLSEXT_TYPE_padding) {\n if (!TEST_false(currtest == TEST_PADDING_NOT_NEEDED))\n goto end;\n else if (TEST_true(currtest == TEST_ADD_PADDING\n || currtest == TEST_ADD_PADDING_AND_PSK))\n testresult = TEST_true(msglen == F5_WORKAROUND_MAX_MSG_LEN);\n }\n }\n if (currtest == TEST_PADDING_NOT_NEEDED)\n testresult = 1;\nend:\n SSL_free(con);\n SSL_CTX_free(ctx);\n SSL_SESSION_free(sess);\n BIO_free(sessbio);\n return testresult;\n}', 'int SSL_CTX_set_cipher_list(SSL_CTX *ctx, const char *str)\n{\n STACK_OF(SSL_CIPHER) *sk;\n sk = ssl_create_cipher_list(ctx->method, &ctx->cipher_list,\n &ctx->cipher_list_by_id, str, ctx->cert);\n if (sk == NULL)\n return 0;\n else if (sk_SSL_CIPHER_num(sk) == 0) {\n SSLerr(SSL_F_SSL_CTX_SET_CIPHER_LIST, SSL_R_NO_CIPHER_MATCH);\n return 0;\n }\n return 1;\n}', 'STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *ssl_method, STACK_OF(SSL_CIPHER)\n **cipher_list, STACK_OF(SSL_CIPHER)\n **cipher_list_by_id,\n const char *rule_str, CERT *c)\n{\n int ok, num_of_ciphers, num_of_alias_max, num_of_group_aliases;\n uint32_t disabled_mkey, disabled_auth, disabled_enc, disabled_mac;\n STACK_OF(SSL_CIPHER) *cipherstack, *tmp_cipher_list;\n const char *rule_p;\n CIPHER_ORDER *co_list = NULL, *head = NULL, *tail = NULL, *curr;\n const SSL_CIPHER **ca_list = NULL;\n if (rule_str == NULL || cipher_list == NULL || cipher_list_by_id == NULL)\n return NULL;\n#ifndef OPENSSL_NO_EC\n if (!check_suiteb_cipher_list(ssl_method, c, &rule_str))\n return NULL;\n#endif\n disabled_mkey = disabled_mkey_mask;\n disabled_auth = disabled_auth_mask;\n disabled_enc = disabled_enc_mask;\n disabled_mac = disabled_mac_mask;\n num_of_ciphers = ssl_method->num_ciphers();\n co_list = OPENSSL_malloc(sizeof(*co_list) * num_of_ciphers);\n if (co_list == NULL) {\n SSLerr(SSL_F_SSL_CREATE_CIPHER_LIST, ERR_R_MALLOC_FAILURE);\n return (NULL);\n }\n ssl_cipher_collect_ciphers(ssl_method, num_of_ciphers,\n disabled_mkey, disabled_auth, disabled_enc,\n disabled_mac, co_list, &head, &tail);\n ssl_cipher_apply_rule(0, SSL_kECDHE, SSL_aECDSA, 0, 0, 0, 0, CIPHER_ADD,\n -1, &head, &tail);\n ssl_cipher_apply_rule(0, SSL_kECDHE, 0, 0, 0, 0, 0, CIPHER_ADD, -1, &head,\n &tail);\n ssl_cipher_apply_rule(0, SSL_kECDHE, 0, 0, 0, 0, 0, CIPHER_DEL, -1, &head,\n &tail);\n ssl_cipher_apply_rule(0, 0, 0, SSL_AESGCM, 0, 0, 0, CIPHER_ADD, -1,\n &head, &tail);\n ssl_cipher_apply_rule(0, 0, 0, SSL_CHACHA20, 0, 0, 0, CIPHER_ADD, -1,\n &head, &tail);\n ssl_cipher_apply_rule(0, 0, 0, SSL_AES ^ SSL_AESGCM, 0, 0, 0, CIPHER_ADD,\n -1, &head, &tail);\n ssl_cipher_apply_rule(0, 0, 0, 0, 0, 0, 0, CIPHER_ADD, -1, &head, &tail);\n ssl_cipher_apply_rule(0, 0, 0, 0, SSL_MD5, 0, 0, CIPHER_ORD, -1, &head,\n &tail);\n ssl_cipher_apply_rule(0, 0, SSL_aNULL, 0, 0, 0, 0, CIPHER_ORD, -1, &head,\n &tail);\n ssl_cipher_apply_rule(0, SSL_kRSA, 0, 0, 0, 0, 0, CIPHER_ORD, -1, &head,\n &tail);\n ssl_cipher_apply_rule(0, SSL_kPSK, 0, 0, 0, 0, 0, CIPHER_ORD, -1, &head,\n &tail);\n ssl_cipher_apply_rule(0, 0, 0, SSL_RC4, 0, 0, 0, CIPHER_ORD, -1, &head,\n &tail);\n if (!ssl_cipher_strength_sort(&head, &tail)) {\n OPENSSL_free(co_list);\n return NULL;\n }\n ssl_cipher_apply_rule(0, 0, 0, 0, 0, TLS1_2_VERSION, 0, CIPHER_BUMP, -1,\n &head, &tail);\n ssl_cipher_apply_rule(0, 0, 0, 0, SSL_AEAD, 0, 0, CIPHER_BUMP, -1,\n &head, &tail);\n ssl_cipher_apply_rule(0, SSL_kDHE | SSL_kECDHE, 0, 0, 0, 0, 0,\n CIPHER_BUMP, -1, &head, &tail);\n ssl_cipher_apply_rule(0, SSL_kDHE | SSL_kECDHE, 0, 0, SSL_AEAD, 0, 0,\n CIPHER_BUMP, -1, &head, &tail);\n ssl_cipher_apply_rule(0, 0, 0, 0, 0, 0, 0, CIPHER_DEL, -1, &head, &tail);\n num_of_group_aliases = OSSL_NELEM(cipher_aliases);\n num_of_alias_max = num_of_ciphers + num_of_group_aliases + 1;\n ca_list = OPENSSL_malloc(sizeof(*ca_list) * num_of_alias_max);\n if (ca_list == NULL) {\n OPENSSL_free(co_list);\n SSLerr(SSL_F_SSL_CREATE_CIPHER_LIST, ERR_R_MALLOC_FAILURE);\n return (NULL);\n }\n ssl_cipher_collect_aliases(ca_list, num_of_group_aliases,\n disabled_mkey, disabled_auth, disabled_enc,\n disabled_mac, head);\n ok = 1;\n rule_p = rule_str;\n if (strncmp(rule_str, "DEFAULT", 7) == 0) {\n ok = ssl_cipher_process_rulestr(SSL_DEFAULT_CIPHER_LIST,\n &head, &tail, ca_list, c);\n rule_p += 7;\n if (*rule_p == \':\')\n rule_p++;\n }\n if (ok && (strlen(rule_p) > 0))\n ok = ssl_cipher_process_rulestr(rule_p, &head, &tail, ca_list, c);\n OPENSSL_free(ca_list);\n if (!ok) {\n OPENSSL_free(co_list);\n return (NULL);\n }\n if ((cipherstack = sk_SSL_CIPHER_new_null()) == NULL) {\n OPENSSL_free(co_list);\n return (NULL);\n }\n for (curr = head; curr != NULL; curr = curr->next) {\n if (curr->active) {\n if (!sk_SSL_CIPHER_push(cipherstack, curr->cipher)) {\n OPENSSL_free(co_list);\n sk_SSL_CIPHER_free(cipherstack);\n return NULL;\n }\n#ifdef CIPHER_DEBUG\n fprintf(stderr, "<%s>\\n", curr->cipher->name);\n#endif\n }\n }\n OPENSSL_free(co_list);\n tmp_cipher_list = sk_SSL_CIPHER_dup(cipherstack);\n if (tmp_cipher_list == NULL) {\n sk_SSL_CIPHER_free(cipherstack);\n return NULL;\n }\n sk_SSL_CIPHER_free(*cipher_list);\n *cipher_list = cipherstack;\n if (*cipher_list_by_id != NULL)\n sk_SSL_CIPHER_free(*cipher_list_by_id);\n *cipher_list_by_id = tmp_cipher_list;\n (void)sk_SSL_CIPHER_set_cmp_func(*cipher_list_by_id, ssl_cipher_ptr_id_cmp);\n sk_SSL_CIPHER_sort(*cipher_list_by_id);\n return (cipherstack);\n}', 'static int check_suiteb_cipher_list(const SSL_METHOD *meth, CERT *c,\n const char **prule_str)\n{\n unsigned int suiteb_flags = 0, suiteb_comb2 = 0;\n if (strncmp(*prule_str, "SUITEB128ONLY", 13) == 0) {\n suiteb_flags = SSL_CERT_FLAG_SUITEB_128_LOS_ONLY;\n } else if (strncmp(*prule_str, "SUITEB128C2", 11) == 0) {\n suiteb_comb2 = 1;\n suiteb_flags = SSL_CERT_FLAG_SUITEB_128_LOS;\n } else if (strncmp(*prule_str, "SUITEB128", 9) == 0) {\n suiteb_flags = SSL_CERT_FLAG_SUITEB_128_LOS;\n } else if (strncmp(*prule_str, "SUITEB192", 9) == 0) {\n suiteb_flags = SSL_CERT_FLAG_SUITEB_192_LOS;\n }\n if (suiteb_flags) {\n c->cert_flags &= ~SSL_CERT_FLAG_SUITEB_128_LOS;\n c->cert_flags |= suiteb_flags;\n } else\n suiteb_flags = c->cert_flags & SSL_CERT_FLAG_SUITEB_128_LOS;\n if (!suiteb_flags)\n return 1;\n if (!(meth->ssl3_enc->enc_flags & SSL_ENC_FLAG_TLS1_2_CIPHERS)) {\n SSLerr(SSL_F_CHECK_SUITEB_CIPHER_LIST,\n SSL_R_AT_LEAST_TLS_1_2_NEEDED_IN_SUITEB_MODE);\n return 0;\n }\n# ifndef OPENSSL_NO_EC\n switch (suiteb_flags) {\n case SSL_CERT_FLAG_SUITEB_128_LOS:\n if (suiteb_comb2)\n *prule_str = "ECDHE-ECDSA-AES256-GCM-SHA384";\n else\n *prule_str =\n "ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384";\n break;\n case SSL_CERT_FLAG_SUITEB_128_LOS_ONLY:\n *prule_str = "ECDHE-ECDSA-AES128-GCM-SHA256";\n break;\n case SSL_CERT_FLAG_SUITEB_192_LOS:\n *prule_str = "ECDHE-ECDSA-AES256-GCM-SHA384";\n break;\n }\n return 1;\n# else\n SSLerr(SSL_F_CHECK_SUITEB_CIPHER_LIST, SSL_R_ECDH_REQUIRED_FOR_SUITEB_MODE);\n return 0;\n# endif\n}', 'static int ssl_cipher_process_rulestr(const char *rule_str,\n CIPHER_ORDER **head_p,\n CIPHER_ORDER **tail_p,\n const SSL_CIPHER **ca_list, CERT *c)\n{\n uint32_t alg_mkey, alg_auth, alg_enc, alg_mac, algo_strength;\n int min_tls;\n const char *l, *buf;\n int j, multi, found, rule, retval, ok, buflen;\n uint32_t cipher_id = 0;\n char ch;\n retval = 1;\n l = rule_str;\n for (;;) {\n ch = *l;\n if (ch == \'\\0\')\n break;\n if (ch == \'-\') {\n rule = CIPHER_DEL;\n l++;\n } else if (ch == \'+\') {\n rule = CIPHER_ORD;\n l++;\n } else if (ch == \'!\') {\n rule = CIPHER_KILL;\n l++;\n } else if (ch == \'@\') {\n rule = CIPHER_SPECIAL;\n l++;\n } else {\n rule = CIPHER_ADD;\n }\n if (ITEM_SEP(ch)) {\n l++;\n continue;\n }\n alg_mkey = 0;\n alg_auth = 0;\n alg_enc = 0;\n alg_mac = 0;\n min_tls = 0;\n algo_strength = 0;\n for (;;) {\n ch = *l;\n buf = l;\n buflen = 0;\n#ifndef CHARSET_EBCDIC\n while (((ch >= \'A\') && (ch <= \'Z\')) ||\n ((ch >= \'0\') && (ch <= \'9\')) ||\n ((ch >= \'a\') && (ch <= \'z\')) ||\n (ch == \'-\') || (ch == \'.\') || (ch == \'=\'))\n#else\n while (isalnum(ch) || (ch == \'-\') || (ch == \'.\') || (ch == \'=\'))\n#endif\n {\n ch = *(++l);\n buflen++;\n }\n if (buflen == 0) {\n SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR, SSL_R_INVALID_COMMAND);\n retval = found = 0;\n l++;\n break;\n }\n if (rule == CIPHER_SPECIAL) {\n found = 0;\n break;\n }\n if (ch == \'+\') {\n multi = 1;\n l++;\n } else\n multi = 0;\n j = found = 0;\n cipher_id = 0;\n while (ca_list[j]) {\n if (strncmp(buf, ca_list[j]->name, buflen) == 0\n && (ca_list[j]->name[buflen] == \'\\0\')) {\n found = 1;\n break;\n } else\n j++;\n }\n if (!found)\n break;\n if (ca_list[j]->algorithm_mkey) {\n if (alg_mkey) {\n alg_mkey &= ca_list[j]->algorithm_mkey;\n if (!alg_mkey) {\n found = 0;\n break;\n }\n } else\n alg_mkey = ca_list[j]->algorithm_mkey;\n }\n if (ca_list[j]->algorithm_auth) {\n if (alg_auth) {\n alg_auth &= ca_list[j]->algorithm_auth;\n if (!alg_auth) {\n found = 0;\n break;\n }\n } else\n alg_auth = ca_list[j]->algorithm_auth;\n }\n if (ca_list[j]->algorithm_enc) {\n if (alg_enc) {\n alg_enc &= ca_list[j]->algorithm_enc;\n if (!alg_enc) {\n found = 0;\n break;\n }\n } else\n alg_enc = ca_list[j]->algorithm_enc;\n }\n if (ca_list[j]->algorithm_mac) {\n if (alg_mac) {\n alg_mac &= ca_list[j]->algorithm_mac;\n if (!alg_mac) {\n found = 0;\n break;\n }\n } else\n alg_mac = ca_list[j]->algorithm_mac;\n }\n if (ca_list[j]->algo_strength & SSL_STRONG_MASK) {\n if (algo_strength & SSL_STRONG_MASK) {\n algo_strength &=\n (ca_list[j]->algo_strength & SSL_STRONG_MASK) |\n ~SSL_STRONG_MASK;\n if (!(algo_strength & SSL_STRONG_MASK)) {\n found = 0;\n break;\n }\n } else\n algo_strength = ca_list[j]->algo_strength & SSL_STRONG_MASK;\n }\n if (ca_list[j]->algo_strength & SSL_DEFAULT_MASK) {\n if (algo_strength & SSL_DEFAULT_MASK) {\n algo_strength &=\n (ca_list[j]->algo_strength & SSL_DEFAULT_MASK) |\n ~SSL_DEFAULT_MASK;\n if (!(algo_strength & SSL_DEFAULT_MASK)) {\n found = 0;\n break;\n }\n } else\n algo_strength |=\n ca_list[j]->algo_strength & SSL_DEFAULT_MASK;\n }\n if (ca_list[j]->valid) {\n cipher_id = ca_list[j]->id;\n } else {\n if (ca_list[j]->min_tls) {\n if (min_tls != 0 && min_tls != ca_list[j]->min_tls) {\n found = 0;\n break;\n } else {\n min_tls = ca_list[j]->min_tls;\n }\n }\n }\n if (!multi)\n break;\n }\n if (rule == CIPHER_SPECIAL) {\n ok = 0;\n if ((buflen == 8) && strncmp(buf, "STRENGTH", 8) == 0)\n ok = ssl_cipher_strength_sort(head_p, tail_p);\n else if (buflen == 10 && strncmp(buf, "SECLEVEL=", 9) == 0) {\n int level = buf[9] - \'0\';\n if (level < 0 || level > 5) {\n SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR,\n SSL_R_INVALID_COMMAND);\n } else {\n c->sec_level = level;\n ok = 1;\n }\n } else\n SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR, SSL_R_INVALID_COMMAND);\n if (ok == 0)\n retval = 0;\n while ((*l != \'\\0\') && !ITEM_SEP(*l))\n l++;\n } else if (found) {\n ssl_cipher_apply_rule(cipher_id,\n alg_mkey, alg_auth, alg_enc, alg_mac,\n min_tls, algo_strength, rule, -1, head_p,\n tail_p);\n } else {\n while ((*l != \'\\0\') && !ITEM_SEP(*l))\n l++;\n }\n if (*l == \'\\0\')\n break;\n }\n return (retval);\n}'] |
11,719 | 0 | https://github.com/openssl/openssl/blob/72257204bd2a88773461150765dfd0e0a428ee86/ssl/ssl_lib.c/#L4001 | EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash, const EVP_MD *md)
{
ssl_clear_hash_ctx(hash);
*hash = EVP_MD_CTX_new();
if (*hash == NULL || (md && EVP_DigestInit_ex(*hash, md, NULL) <= 0)) {
EVP_MD_CTX_free(*hash);
*hash = NULL;
return NULL;
}
return *hash;
} | ['EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash, const EVP_MD *md)\n{\n ssl_clear_hash_ctx(hash);\n *hash = EVP_MD_CTX_new();\n if (*hash == NULL || (md && EVP_DigestInit_ex(*hash, md, NULL) <= 0)) {\n EVP_MD_CTX_free(*hash);\n *hash = NULL;\n return NULL;\n }\n return *hash;\n}', 'void ssl_clear_hash_ctx(EVP_MD_CTX **hash)\n{\n EVP_MD_CTX_free(*hash);\n *hash = NULL;\n}', 'void EVP_MD_CTX_free(EVP_MD_CTX *ctx)\n{\n EVP_MD_CTX_reset(ctx);\n OPENSSL_free(ctx);\n}', 'void CRYPTO_free(void *str, const char *file, int line)\n{\n if (free_impl != NULL && free_impl != &CRYPTO_free) {\n free_impl(str, file, line);\n return;\n }\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_free(str, 0, file, line);\n free(str);\n CRYPTO_mem_debug_free(str, 1, file, line);\n } else {\n free(str);\n }\n#else\n free(str);\n#endif\n}', 'EVP_MD_CTX *EVP_MD_CTX_new(void)\n{\n return OPENSSL_zalloc(sizeof(EVP_MD_CTX));\n}', 'void *CRYPTO_zalloc(size_t num, const char *file, int line)\n{\n void *ret = CRYPTO_malloc(num, file, line);\n FAILTEST();\n if (ret != NULL)\n memset(ret, 0, num);\n return ret;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)\n return malloc_impl(num, file, line);\n if (num == 0)\n return NULL;\n FAILTEST();\n allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n osslargused(file); osslargused(line);\n ret = malloc(num);\n#endif\n return ret;\n}'] |
11,720 | 0 | https://github.com/libav/libav/blob/8096fdf0b6886305ea1a8cb2c869ab2732cd8e11/libavformat/rtsp.c/#L1834 | static int sdp_read_header(AVFormatContext *s, AVFormatParameters *ap)
{
RTSPState *rt = s->priv_data;
RTSPStream *rtsp_st;
int size, i, err;
char *content;
char url[1024];
if (!ff_network_init())
return AVERROR(EIO);
content = av_malloc(SDP_MAX_SIZE);
size = avio_read(s->pb, content, SDP_MAX_SIZE - 1);
if (size <= 0) {
av_free(content);
return AVERROR_INVALIDDATA;
}
content[size] ='\0';
err = ff_sdp_parse(s, content);
av_free(content);
if (err) goto fail;
for (i = 0; i < rt->nb_rtsp_streams; i++) {
char namebuf[50];
rtsp_st = rt->rtsp_streams[i];
getnameinfo((struct sockaddr*) &rtsp_st->sdp_ip, sizeof(rtsp_st->sdp_ip),
namebuf, sizeof(namebuf), NULL, 0, NI_NUMERICHOST);
ff_url_join(url, sizeof(url), "rtp", NULL,
namebuf, rtsp_st->sdp_port,
"?localport=%d&ttl=%d&connect=%d", rtsp_st->sdp_port,
rtsp_st->sdp_ttl,
rt->rtsp_flags & RTSP_FLAG_FILTER_SRC ? 1 : 0);
if (ffurl_open(&rtsp_st->rtp_handle, url, AVIO_FLAG_READ_WRITE) < 0) {
err = AVERROR_INVALIDDATA;
goto fail;
}
if ((err = rtsp_open_transport_ctx(s, rtsp_st)))
goto fail;
}
return 0;
fail:
ff_rtsp_close_streams(s);
ff_network_close();
return err;
} | ['static int sdp_read_header(AVFormatContext *s, AVFormatParameters *ap)\n{\n RTSPState *rt = s->priv_data;\n RTSPStream *rtsp_st;\n int size, i, err;\n char *content;\n char url[1024];\n if (!ff_network_init())\n return AVERROR(EIO);\n content = av_malloc(SDP_MAX_SIZE);\n size = avio_read(s->pb, content, SDP_MAX_SIZE - 1);\n if (size <= 0) {\n av_free(content);\n return AVERROR_INVALIDDATA;\n }\n content[size] =\'\\0\';\n err = ff_sdp_parse(s, content);\n av_free(content);\n if (err) goto fail;\n for (i = 0; i < rt->nb_rtsp_streams; i++) {\n char namebuf[50];\n rtsp_st = rt->rtsp_streams[i];\n getnameinfo((struct sockaddr*) &rtsp_st->sdp_ip, sizeof(rtsp_st->sdp_ip),\n namebuf, sizeof(namebuf), NULL, 0, NI_NUMERICHOST);\n ff_url_join(url, sizeof(url), "rtp", NULL,\n namebuf, rtsp_st->sdp_port,\n "?localport=%d&ttl=%d&connect=%d", rtsp_st->sdp_port,\n rtsp_st->sdp_ttl,\n rt->rtsp_flags & RTSP_FLAG_FILTER_SRC ? 1 : 0);\n if (ffurl_open(&rtsp_st->rtp_handle, url, AVIO_FLAG_READ_WRITE) < 0) {\n err = AVERROR_INVALIDDATA;\n goto fail;\n }\n if ((err = rtsp_open_transport_ctx(s, rtsp_st)))\n goto fail;\n }\n return 0;\nfail:\n ff_rtsp_close_streams(s);\n ff_network_close();\n return err;\n}', 'static inline int ff_network_init(void)\n{\n#if HAVE_WINSOCK2_H\n WSADATA wsaData;\n if (WSAStartup(MAKEWORD(1,1), &wsaData))\n return 0;\n#endif\n return 1;\n}', 'void *av_malloc(size_t size)\n{\n void *ptr = NULL;\n#if CONFIG_MEMALIGN_HACK\n long diff;\n#endif\n if(size > (INT_MAX-32) )\n return NULL;\n#if CONFIG_MEMALIGN_HACK\n ptr = malloc(size+32);\n if(!ptr)\n return ptr;\n diff= ((-(long)ptr - 1)&31) + 1;\n ptr = (char*)ptr + diff;\n ((char*)ptr)[-1]= diff;\n#elif HAVE_POSIX_MEMALIGN\n if (posix_memalign(&ptr,32,size))\n ptr = NULL;\n#elif HAVE_MEMALIGN\n ptr = memalign(32,size);\n#else\n ptr = malloc(size);\n#endif\n return ptr;\n}'] |
11,721 | 0 | https://github.com/libav/libav/blob/47399ccdfd93d337c96c76fbf591f0e3637131ef/libavcodec/bitstream.h/#L138 | 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;
} | ['static int decode_subframe_lpc(FLACContext *s, int32_t *decoded, int pred_order,\n int bps)\n{\n int i, ret;\n int coeff_prec, qlevel;\n int coeffs[32];\n for (i = 0; i < pred_order; i++) {\n decoded[i] = bitstream_read_signed(&s->bc, bps);\n }\n coeff_prec = bitstream_read(&s->bc, 4) + 1;\n if (coeff_prec == 16) {\n av_log(s->avctx, AV_LOG_ERROR, "invalid coeff precision\\n");\n return AVERROR_INVALIDDATA;\n }\n qlevel = bitstream_read_signed(&s->bc, 5);\n if (qlevel < 0) {\n av_log(s->avctx, AV_LOG_ERROR, "qlevel %d not supported, maybe buggy stream\\n",\n qlevel);\n return AVERROR_INVALIDDATA;\n }\n for (i = 0; i < pred_order; i++) {\n coeffs[pred_order - i - 1] = bitstream_read_signed(&s->bc, coeff_prec);\n }\n if ((ret = decode_residuals(s, decoded, pred_order)) < 0)\n return ret;\n s->dsp.lpc(decoded, coeffs, pred_order, qlevel, s->blocksize);\n return 0;\n}', 'static inline int32_t bitstream_read_signed(BitstreamContext *bc, unsigned n)\n{\n return sign_extend(bitstream_read(bc, n), n);\n}', 'static inline uint32_t bitstream_read(BitstreamContext *bc, unsigned n)\n{\n if (!n)\n return 0;\n if (n > bc->bits_left) {\n refill_32(bc);\n if (bc->bits_left < 32)\n bc->bits_left = n;\n }\n return get_val(bc, n);\n}', 'static inline uint64_t get_val(BitstreamContext *bc, unsigned n)\n{\n#ifdef BITSTREAM_READER_LE\n uint64_t ret = bc->bits & ((UINT64_C(1) << n) - 1);\n bc->bits >>= n;\n#else\n uint64_t ret = bc->bits >> (64 - n);\n bc->bits <<= n;\n#endif\n bc->bits_left -= n;\n return ret;\n}'] |
11,722 | 0 | https://github.com/openssl/openssl/blob/1fac96e4d6484a517f2ebe99b72016726391723c/crypto/bn/bn_asm.c/#L212 | void bn_sqr_words(BN_ULONG *r, BN_ULONG *a, int n)
{
bn_check_num(n);
if (n <= 0) return;
for (;;)
{
sqr64(r[0],r[1],a[0]);
if (--n == 0) break;
sqr64(r[2],r[3],a[1]);
if (--n == 0) break;
sqr64(r[4],r[5],a[2]);
if (--n == 0) break;
sqr64(r[6],r[7],a[3]);
if (--n == 0) break;
a+=4;
r+=8;
}
} | ['int test_mont(BIO *bp, BN_CTX *ctx)\n\t{\n\tBIGNUM a,b,c,d,A,B;\n\tBIGNUM n;\n\tint i;\n\tint j;\n\tBN_MONT_CTX *mont;\n\tBN_init(&a);\n\tBN_init(&b);\n\tBN_init(&c);\n\tBN_init(&d);\n\tBN_init(&A);\n\tBN_init(&B);\n\tBN_init(&n);\n\tmont=BN_MONT_CTX_new();\n\tBN_rand(&a,100,0,0);\n\tBN_rand(&b,100,0,0);\n\tfor (i=0; i<10; i++)\n\t\t{\n\t\tBN_rand(&n,(100%BN_BITS2+1)*BN_BITS2*i*BN_BITS2,0,1);\n\t\tBN_MONT_CTX_set(mont,&n,ctx);\n\t\tBN_to_montgomery(&A,&a,mont,ctx);\n\t\tBN_to_montgomery(&B,&b,mont,ctx);\n\t\tif (bp == NULL)\n\t\t\tfor (j=0; j<100; j++)\n\t\t\t\tBN_mod_mul_montgomery(&c,&A,&B,mont,ctx);\n\t\tBN_mod_mul_montgomery(&c,&A,&B,mont,ctx);\n\t\tBN_from_montgomery(&A,&c,mont,ctx);\n\t\tif (bp != NULL)\n\t\t\t{\n\t\t\tif (!results)\n\t\t\t\t{\n#ifdef undef\nfprintf(stderr,"%d * %d %% %d\\n",\nBN_num_bits(&a),\nBN_num_bits(&b),\nBN_num_bits(mont->N));\n#endif\n\t\t\t\tBN_print(bp,&a);\n\t\t\t\tBIO_puts(bp," * ");\n\t\t\t\tBN_print(bp,&b);\n\t\t\t\tBIO_puts(bp," % ");\n\t\t\t\tBN_print(bp,&(mont->N));\n\t\t\t\tBIO_puts(bp," - ");\n\t\t\t\t}\n\t\t\tBN_print(bp,&A);\n\t\t\tBIO_puts(bp,"\\n");\n\t\t\t}\n\t\tBN_mod_mul(&d,&a,&b,&n,ctx);\n\t\tBN_sub(&d,&d,&A);\n\t\tif(!BN_is_zero(&d))\n\t\t {\n\t\t BIO_puts(bp,"Montgomery multiplication test failed!\\n");\n\t\t return 0;\n\t\t }\n\t\t}\n\tBN_MONT_CTX_free(mont);\n\tBN_free(&a);\n\tBN_free(&b);\n\tBN_free(&c);\n\tBN_free(&d);\n\tBN_free(&A);\n\tBN_free(&B);\n\tBN_free(&n);\n\treturn(1);\n\t}', 'int BN_rand(BIGNUM *rnd, int bits, int top, int bottom)\n\t{\n\tunsigned char *buf=NULL;\n\tint ret=0,bit,bytes,mask;\n\ttime_t tim;\n\tbytes=(bits+7)/8;\n\tbit=(bits-1)%8;\n\tmask=0xff<<bit;\n\tbuf=(unsigned char *)Malloc(bytes);\n\tif (buf == NULL)\n\t\t{\n\t\tBNerr(BN_F_BN_RAND,ERR_R_MALLOC_FAILURE);\n\t\tgoto err;\n\t\t}\n\ttime(&tim);\n\tRAND_seed(&tim,sizeof(tim));\n\tRAND_bytes(buf,(int)bytes);\n\tif (top)\n\t\t{\n\t\tif (bit == 0)\n\t\t\t{\n\t\t\tbuf[0]=1;\n\t\t\tbuf[1]|=0x80;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tbuf[0]|=(3<<(bit-1));\n\t\t\tbuf[0]&= ~(mask<<1);\n\t\t\t}\n\t\t}\n\telse\n\t\t{\n\t\tbuf[0]|=(1<<bit);\n\t\tbuf[0]&= ~(mask<<1);\n\t\t}\n\tif (bottom)\n\t\tbuf[bytes-1]|=1;\n\tif (!BN_bin2bn(buf,bytes,rnd)) goto err;\n\tret=1;\nerr:\n\tif (buf != NULL)\n\t\t{\n\t\tmemset(buf,0,bytes);\n\t\tFree(buf);\n\t\t}\n\treturn(ret);\n\t}', 'int BN_mod_mul_montgomery(BIGNUM *r, BIGNUM *a, BIGNUM *b, BN_MONT_CTX *mont,\n\t BN_CTX *ctx)\n\t{\n\tBIGNUM *tmp,*tmp2;\n tmp= &(ctx->bn[ctx->tos]);\n tmp2= &(ctx->bn[ctx->tos]);\n\tctx->tos+=2;\n\tbn_check_top(tmp);\n\tbn_check_top(tmp2);\n\tif (a == b)\n\t\t{\n#if 0\n\t\tbn_wexpand(tmp,a->top*2);\n\t\tbn_wexpand(tmp2,a->top*4);\n\t\tbn_sqr_recursive(tmp->d,a->d,a->top,tmp2->d);\n\t\ttmp->top=a->top*2;\n\t\tif (tmp->d[tmp->top-1] == 0)\n\t\t\ttmp->top--;\n#else\n\t\tif (!BN_sqr(tmp,a,ctx)) goto err;\n#endif\n\t\t}\n\telse\n\t\t{\n\t\tif (!BN_mul(tmp,a,b,ctx)) goto err;\n\t\t}\n\tif (!BN_from_montgomery(r,tmp,mont,ctx)) goto err;\n\tctx->tos-=2;\n\treturn(1);\nerr:\n\treturn(0);\n\t}', 'int BN_sqr(BIGNUM *r, BIGNUM *a, BN_CTX *ctx)\n\t{\n\tint max,al;\n\tBIGNUM *tmp,*rr;\n#ifdef BN_COUNT\nprintf("BN_sqr %d * %d\\n",a->top,a->top);\n#endif\n\tbn_check_top(a);\n\ttmp= &(ctx->bn[ctx->tos]);\n\trr=(a != r)?r: (&ctx->bn[ctx->tos+1]);\n\tal=a->top;\n\tif (al <= 0)\n\t\t{\n\t\tr->top=0;\n\t\treturn(1);\n\t\t}\n\tmax=(al+al);\n\tif (bn_wexpand(rr,max+1) == NULL) return(0);\n\tr->neg=0;\n\tif (al == 4)\n\t\t{\n#ifndef BN_SQR_COMBA\n\t\tBN_ULONG t[8];\n\t\tbn_sqr_normal(rr->d,a->d,4,t);\n#else\n\t\tbn_sqr_comba4(rr->d,a->d);\n#endif\n\t\t}\n\telse if (al == 8)\n\t\t{\n#ifndef BN_SQR_COMBA\n\t\tBN_ULONG t[16];\n\t\tbn_sqr_normal(rr->d,a->d,8,t);\n#else\n\t\tbn_sqr_comba8(rr->d,a->d);\n#endif\n\t\t}\n\telse\n\t\t{\n#if defined(BN_RECURSION)\n\t\tif (al < BN_SQR_RECURSIVE_SIZE_NORMAL)\n\t\t\t{\n\t\t\tBN_ULONG t[BN_SQR_RECURSIVE_SIZE_NORMAL*2];\n\t\t\tbn_sqr_normal(rr->d,a->d,al,t);\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tint j,k;\n\t\t\tj=BN_num_bits_word((BN_ULONG)al);\n\t\t\tj=1<<(j-1);\n\t\t\tk=j+j;\n\t\t\tif (al == j)\n\t\t\t\t{\n\t\t\t\tif (bn_wexpand(a,k*2) == NULL) return(0);\n\t\t\t\tif (bn_wexpand(tmp,k*2) == NULL) return(0);\n\t\t\t\tbn_sqr_recursive(rr->d,a->d,al,tmp->d);\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tif (bn_wexpand(tmp,max) == NULL) return(0);\n\t\t\t\tbn_sqr_normal(rr->d,a->d,al,tmp->d);\n\t\t\t\t}\n\t\t\t}\n#else\n\t\tif (bn_wexpand(tmp,max) == NULL) return(0);\n\t\tbn_sqr_normal(rr->d,a->d,al,tmp->d);\n#endif\n\t\t}\n\trr->top=max;\n\tif ((max > 0) && (rr->d[max-1] == 0)) rr->top--;\n\tif (rr != r) BN_copy(r,rr);\n\treturn(1);\n\t}', 'int BN_mod_mul(BIGNUM *ret, BIGNUM *a, BIGNUM *b, BIGNUM *m, BN_CTX *ctx)\n\t{\n\tBIGNUM *t;\n\tint r=0;\n\tbn_check_top(a);\n\tbn_check_top(b);\n\tbn_check_top(m);\n\tt= &(ctx->bn[ctx->tos++]);\n\tif (a == b)\n\t\t{ if (!BN_sqr(t,a,ctx)) goto err; }\n\telse\n\t\t{ if (!BN_mul(t,a,b,ctx)) goto err; }\n\tif (!BN_mod(ret,t,m,ctx)) goto err;\n\tr=1;\nerr:\n\tctx->tos--;\n\treturn(r);\n\t}', 'void bn_sqr_normal(BN_ULONG *r, BN_ULONG *a, int n, BN_ULONG *tmp)\n\t{\n\tint i,j,max;\n\tBN_ULONG *ap,*rp;\n\tmax=n*2;\n\tap=a;\n\trp=r;\n\trp[0]=rp[max-1]=0;\n\trp++;\n\tj=n;\n\tif (--j > 0)\n\t\t{\n\t\tap++;\n\t\trp[j]=bn_mul_words(rp,ap,j,ap[-1]);\n\t\trp+=2;\n\t\t}\n\tfor (i=n-2; i>0; i--)\n\t\t{\n\t\tj--;\n\t\tap++;\n\t\trp[j]=bn_mul_add_words(rp,ap,j,ap[-1]);\n\t\trp+=2;\n\t\t}\n\tbn_add_words(r,r,r,max);\n\tbn_sqr_words(tmp,a,n);\n\tbn_add_words(r,r,tmp,max);\n\t}', 'void bn_sqr_words(BN_ULONG *r, BN_ULONG *a, int n)\n {\n\tbn_check_num(n);\n\tif (n <= 0) return;\n\tfor (;;)\n\t\t{\n\t\tsqr64(r[0],r[1],a[0]);\n\t\tif (--n == 0) break;\n\t\tsqr64(r[2],r[3],a[1]);\n\t\tif (--n == 0) break;\n\t\tsqr64(r[4],r[5],a[2]);\n\t\tif (--n == 0) break;\n\t\tsqr64(r[6],r[7],a[3]);\n\t\tif (--n == 0) break;\n\t\ta+=4;\n\t\tr+=8;\n\t\t}\n\t}'] |
11,723 | 0 | https://github.com/openssl/openssl/blob/8da94770f0a049497b1a52ee469cca1f4a13b1a7/crypto/bn/bn_gf2m.c/#L517 | int BN_GF2m_mod_mul_arr(BIGNUM *r, const BIGNUM *a, const BIGNUM *b,
const int p[], BN_CTX *ctx)
{
int zlen, i, j, k, ret = 0;
BIGNUM *s;
BN_ULONG x1, x0, y1, y0, zz[4];
bn_check_top(a);
bn_check_top(b);
if (a == b) {
return BN_GF2m_mod_sqr_arr(r, a, p, ctx);
}
BN_CTX_start(ctx);
if ((s = BN_CTX_get(ctx)) == NULL)
goto err;
zlen = a->top + b->top + 4;
if (!bn_wexpand(s, zlen))
goto err;
s->top = zlen;
for (i = 0; i < zlen; i++)
s->d[i] = 0;
for (j = 0; j < b->top; j += 2) {
y0 = b->d[j];
y1 = ((j + 1) == b->top) ? 0 : b->d[j + 1];
for (i = 0; i < a->top; i += 2) {
x0 = a->d[i];
x1 = ((i + 1) == a->top) ? 0 : a->d[i + 1];
bn_GF2m_mul_2x2(zz, x1, x0, y1, y0);
for (k = 0; k < 4; k++)
s->d[i + j + k] ^= zz[k];
}
}
bn_correct_top(s);
if (BN_GF2m_mod_arr(r, s, p))
ret = 1;
bn_check_top(r);
err:
BN_CTX_end(ctx);
return ret;
} | ['int test_gf2m_mod_sqrt(BIO *bp, BN_CTX *ctx)\n{\n BIGNUM *a, *b[2], *c, *d, *e, *f;\n int i, j, ret = 0;\n int p0[] = { 163, 7, 6, 3, 0, -1 };\n int p1[] = { 193, 15, 0, -1 };\n a = BN_new();\n b[0] = BN_new();\n b[1] = BN_new();\n c = BN_new();\n d = BN_new();\n e = BN_new();\n f = BN_new();\n BN_GF2m_arr2poly(p0, b[0]);\n BN_GF2m_arr2poly(p1, b[1]);\n for (i = 0; i < num0; i++) {\n BN_bntest_rand(a, 512, 0, 0);\n for (j = 0; j < 2; j++) {\n BN_GF2m_mod(c, a, b[j]);\n BN_GF2m_mod_sqrt(d, a, b[j], ctx);\n BN_GF2m_mod_sqr(e, d, b[j], ctx);\n BN_GF2m_add(f, c, e);\n if (!BN_is_zero(f)) {\n fprintf(stderr, "GF(2^m) modular square root test failed!\\n");\n goto err;\n }\n }\n }\n ret = 1;\n err:\n BN_free(a);\n BN_free(b[0]);\n BN_free(b[1]);\n BN_free(c);\n BN_free(d);\n BN_free(e);\n BN_free(f);\n return ret;\n}', 'int BN_GF2m_mod(BIGNUM *r, const BIGNUM *a, const BIGNUM *p)\n{\n int ret = 0;\n int arr[6];\n bn_check_top(a);\n bn_check_top(p);\n ret = BN_GF2m_poly2arr(p, arr, OSSL_NELEM(arr));\n if (!ret || ret > (int)OSSL_NELEM(arr)) {\n BNerr(BN_F_BN_GF2M_MOD, BN_R_INVALID_LENGTH);\n return 0;\n }\n ret = BN_GF2m_mod_arr(r, a, arr);\n bn_check_top(r);\n return ret;\n}', 'int BN_GF2m_mod_sqrt(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, BN_CTX *ctx)\n{\n int ret = 0;\n const int max = BN_num_bits(p) + 1;\n int *arr = NULL;\n bn_check_top(a);\n bn_check_top(p);\n if ((arr = OPENSSL_malloc(sizeof(*arr) * max)) == NULL)\n goto err;\n ret = BN_GF2m_poly2arr(p, arr, max);\n if (!ret || ret > max) {\n BNerr(BN_F_BN_GF2M_MOD_SQRT, BN_R_INVALID_LENGTH);\n goto err;\n }\n ret = BN_GF2m_mod_sqrt_arr(r, a, arr, ctx);\n bn_check_top(r);\n err:\n OPENSSL_free(arr);\n return ret;\n}', 'int BN_GF2m_mod_sqrt_arr(BIGNUM *r, const BIGNUM *a, const int p[],\n BN_CTX *ctx)\n{\n int ret = 0;\n BIGNUM *u;\n bn_check_top(a);\n if (!p[0]) {\n BN_zero(r);\n return 1;\n }\n BN_CTX_start(ctx);\n if ((u = BN_CTX_get(ctx)) == NULL)\n goto err;\n if (!BN_set_bit(u, p[0] - 1))\n goto err;\n ret = BN_GF2m_mod_exp_arr(r, a, u, p, ctx);\n bn_check_top(r);\n err:\n BN_CTX_end(ctx);\n return ret;\n}', 'int BN_GF2m_mod_exp_arr(BIGNUM *r, const BIGNUM *a, const BIGNUM *b,\n const int p[], BN_CTX *ctx)\n{\n int ret = 0, i, n;\n BIGNUM *u;\n bn_check_top(a);\n bn_check_top(b);\n if (BN_is_zero(b))\n return (BN_one(r));\n if (BN_abs_is_word(b, 1))\n return (BN_copy(r, a) != NULL);\n BN_CTX_start(ctx);\n if ((u = BN_CTX_get(ctx)) == NULL)\n goto err;\n if (!BN_GF2m_mod_arr(u, a, p))\n goto err;\n n = BN_num_bits(b) - 1;\n for (i = n - 1; i >= 0; i--) {\n if (!BN_GF2m_mod_sqr_arr(u, u, p, ctx))\n goto err;\n if (BN_is_bit_set(b, i)) {\n if (!BN_GF2m_mod_mul_arr(u, u, a, p, ctx))\n goto err;\n }\n }\n if (!BN_copy(r, u))\n goto err;\n bn_check_top(r);\n ret = 1;\n err:\n BN_CTX_end(ctx);\n return ret;\n}', 'int BN_GF2m_mod_mul_arr(BIGNUM *r, const BIGNUM *a, const BIGNUM *b,\n const int p[], BN_CTX *ctx)\n{\n int zlen, i, j, k, ret = 0;\n BIGNUM *s;\n BN_ULONG x1, x0, y1, y0, zz[4];\n bn_check_top(a);\n bn_check_top(b);\n if (a == b) {\n return BN_GF2m_mod_sqr_arr(r, a, p, ctx);\n }\n BN_CTX_start(ctx);\n if ((s = BN_CTX_get(ctx)) == NULL)\n goto err;\n zlen = a->top + b->top + 4;\n if (!bn_wexpand(s, zlen))\n goto err;\n s->top = zlen;\n for (i = 0; i < zlen; i++)\n s->d[i] = 0;\n for (j = 0; j < b->top; j += 2) {\n y0 = b->d[j];\n y1 = ((j + 1) == b->top) ? 0 : b->d[j + 1];\n for (i = 0; i < a->top; i += 2) {\n x0 = a->d[i];\n x1 = ((i + 1) == a->top) ? 0 : a->d[i + 1];\n bn_GF2m_mul_2x2(zz, x1, x0, y1, y0);\n for (k = 0; k < 4; k++)\n s->d[i + j + k] ^= zz[k];\n }\n }\n bn_correct_top(s);\n if (BN_GF2m_mod_arr(r, s, p))\n ret = 1;\n bn_check_top(r);\n err:\n BN_CTX_end(ctx);\n return ret;\n}'] |
11,724 | 0 | https://github.com/libav/libav/blob/645e75992d8876a5e0aa056739885d3afd08d431/ffmpeg.c/#L4118 | static void opt_vstats (void)
{
char filename[40];
time_t today2 = time(NULL);
struct tm *today = localtime(&today2);
snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
today->tm_sec);
opt_vstats_file(filename);
} | ['static void opt_vstats (void)\n{\n char filename[40];\n time_t today2 = time(NULL);\n struct tm *today = localtime(&today2);\n snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,\n today->tm_sec);\n opt_vstats_file(filename);\n}'] |
11,725 | 0 | https://github.com/openssl/openssl/blob/18e1e302452e6dea4500b6f981cee7e151294dea/crypto/bn/bn_ctx.c/#L268 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | ['int BN_BLINDING_convert_ex(BIGNUM *n, BIGNUM *r, BN_BLINDING *b, BN_CTX *ctx)\n{\n int ret = 1;\n bn_check_top(n);\n if ((b->A == NULL) || (b->Ai == NULL)) {\n BNerr(BN_F_BN_BLINDING_CONVERT_EX, BN_R_NOT_INITIALIZED);\n return 0;\n }\n if (b->counter == -1)\n b->counter = 0;\n else if (!BN_BLINDING_update(b, ctx))\n return 0;\n if (r != NULL && (BN_copy(r, b->Ai) == NULL))\n return 0;\n if (b->m_ctx != NULL)\n ret = BN_mod_mul_montgomery(n, n, b->A, b->m_ctx, ctx);\n else\n ret = BN_mod_mul(n, n, b->A, b->mod, ctx);\n return ret;\n}', 'int BN_mod_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const BIGNUM *m,\n BN_CTX *ctx)\n{\n BIGNUM *t;\n int ret = 0;\n bn_check_top(a);\n bn_check_top(b);\n bn_check_top(m);\n BN_CTX_start(ctx);\n if ((t = BN_CTX_get(ctx)) == NULL)\n goto err;\n if (a == b) {\n if (!BN_sqr(t, a, ctx))\n goto err;\n } else {\n if (!BN_mul(t, a, b, ctx))\n goto err;\n }\n if (!BN_nnmod(r, t, m, ctx))\n goto err;\n bn_check_top(r);\n ret = 1;\n err:\n BN_CTX_end(ctx);\n return ret;\n}', 'void BN_CTX_start(BN_CTX *ctx)\n{\n CTXDBG("ENTER BN_CTX_start()", ctx);\n if (ctx->err_stack || ctx->too_many)\n ctx->err_stack++;\n else if (!BN_STACK_push(&ctx->stack, ctx->used)) {\n BNerr(BN_F_BN_CTX_START, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n ctx->err_stack++;\n }\n CTXDBG("LEAVE BN_CTX_start()", ctx);\n}', 'BIGNUM *BN_CTX_get(BN_CTX *ctx)\n{\n BIGNUM *ret;\n CTXDBG("ENTER BN_CTX_get()", ctx);\n if (ctx->err_stack || ctx->too_many)\n return NULL;\n if ((ret = BN_POOL_get(&ctx->pool, ctx->flags)) == NULL) {\n ctx->too_many = 1;\n BNerr(BN_F_BN_CTX_GET, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n return NULL;\n }\n BN_zero(ret);\n ret->flags &= (~BN_FLG_CONSTTIME);\n ctx->used++;\n CTXDBG("LEAVE BN_CTX_get()", ctx);\n return ret;\n}', 'int BN_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)\n{\n int ret = bn_mul_fixed_top(r, a, b, ctx);\n bn_correct_top(r);\n bn_check_top(r);\n return ret;\n}', 'int bn_mul_fixed_top(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)\n{\n int ret = 0;\n int top, al, bl;\n BIGNUM *rr;\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\n int i;\n#endif\n#ifdef BN_RECURSION\n BIGNUM *t = NULL;\n int j = 0, k;\n#endif\n bn_check_top(a);\n bn_check_top(b);\n bn_check_top(r);\n al = a->top;\n bl = b->top;\n if ((al == 0) || (bl == 0)) {\n BN_zero(r);\n return 1;\n }\n top = al + bl;\n BN_CTX_start(ctx);\n if ((r == a) || (r == b)) {\n if ((rr = BN_CTX_get(ctx)) == NULL)\n goto err;\n } else\n rr = r;\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\n i = al - bl;\n#endif\n#ifdef BN_MUL_COMBA\n if (i == 0) {\n# if 0\n if (al == 4) {\n if (bn_wexpand(rr, 8) == NULL)\n goto err;\n rr->top = 8;\n bn_mul_comba4(rr->d, a->d, b->d);\n goto end;\n }\n# endif\n if (al == 8) {\n if (bn_wexpand(rr, 16) == NULL)\n goto err;\n rr->top = 16;\n bn_mul_comba8(rr->d, a->d, b->d);\n goto end;\n }\n }\n#endif\n#ifdef BN_RECURSION\n if ((al >= BN_MULL_SIZE_NORMAL) && (bl >= BN_MULL_SIZE_NORMAL)) {\n if (i >= -1 && i <= 1) {\n if (i >= 0) {\n j = BN_num_bits_word((BN_ULONG)al);\n }\n if (i == -1) {\n j = BN_num_bits_word((BN_ULONG)bl);\n }\n j = 1 << (j - 1);\n assert(j <= al || j <= bl);\n k = j + j;\n t = BN_CTX_get(ctx);\n if (t == NULL)\n goto err;\n if (al > j || bl > j) {\n if (bn_wexpand(t, k * 4) == NULL)\n goto err;\n if (bn_wexpand(rr, k * 4) == NULL)\n goto err;\n bn_mul_part_recursive(rr->d, a->d, b->d,\n j, al - j, bl - j, t->d);\n } else {\n if (bn_wexpand(t, k * 2) == NULL)\n goto err;\n if (bn_wexpand(rr, k * 2) == NULL)\n goto err;\n bn_mul_recursive(rr->d, a->d, b->d, j, al - j, bl - j, t->d);\n }\n rr->top = top;\n goto end;\n }\n }\n#endif\n if (bn_wexpand(rr, top) == NULL)\n goto err;\n rr->top = top;\n bn_mul_normal(rr->d, a->d, al, b->d, bl);\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\n end:\n#endif\n rr->neg = a->neg ^ b->neg;\n rr->flags |= BN_FLG_FIXED_TOP;\n if (r != rr && BN_copy(r, rr) == NULL)\n goto err;\n ret = 1;\n err:\n bn_check_top(r);\n BN_CTX_end(ctx);\n return ret;\n}', 'void BN_CTX_end(BN_CTX *ctx)\n{\n CTXDBG("ENTER BN_CTX_end()", ctx);\n if (ctx->err_stack)\n ctx->err_stack--;\n else {\n unsigned int fp = BN_STACK_pop(&ctx->stack);\n if (fp < ctx->used)\n BN_POOL_release(&ctx->pool, ctx->used - fp);\n ctx->used = fp;\n ctx->too_many = 0;\n }\n CTXDBG("LEAVE BN_CTX_end()", ctx);\n}', 'static unsigned int BN_STACK_pop(BN_STACK *st)\n{\n return st->indexes[--(st->depth)];\n}'] |
11,726 | 0 | https://github.com/libav/libav/blob/555000c7d5c1e13043a948ebc48d2939b0ba6536/libavformat/utils.c/#L2631 | void avformat_free_context(AVFormatContext *s)
{
int i;
AVStream *st;
av_opt_free(s);
if (s->iformat && s->iformat->priv_class && s->priv_data)
av_opt_free(s->priv_data);
for(i=0;i<s->nb_streams;i++) {
st = s->streams[i];
if (st->parser) {
av_parser_close(st->parser);
}
if (st->attached_pic.data)
av_free_packet(&st->attached_pic);
av_dict_free(&st->metadata);
av_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);
} | ['static int sap_read_close(AVFormatContext *s)\n{\n struct SAPState *sap = s->priv_data;\n if (sap->sdp_ctx)\n avformat_close_input(&sap->sdp_ctx);\n if (sap->ann_fd)\n ffurl_close(sap->ann_fd);\n av_freep(&sap->sdp);\n ff_network_close();\n return 0;\n}', 'void avformat_close_input(AVFormatContext **ps)\n{\n AVFormatContext *s = *ps;\n AVIOContext *pb = s->pb;\n if ((s->iformat && s->iformat->flags & AVFMT_NOFILE) ||\n (s->flags & AVFMT_FLAG_CUSTOM_IO))\n pb = NULL;\n flush_packet_queue(s);\n if (s->iformat) {\n if (s->iformat->read_close)\n s->iformat->read_close(s);\n }\n avformat_free_context(s);\n *ps = NULL;\n avio_close(pb);\n}', 'void avformat_free_context(AVFormatContext *s)\n{\n int i;\n AVStream *st;\n av_opt_free(s);\n if (s->iformat && s->iformat->priv_class && s->priv_data)\n av_opt_free(s->priv_data);\n for(i=0;i<s->nb_streams;i++) {\n st = s->streams[i];\n if (st->parser) {\n av_parser_close(st->parser);\n }\n if (st->attached_pic.data)\n av_free_packet(&st->attached_pic);\n av_dict_free(&st->metadata);\n av_free(st->index_entries);\n av_free(st->codec->extradata);\n av_free(st->codec->subtitle_header);\n av_free(st->codec);\n av_free(st->priv_data);\n av_free(st->info);\n av_free(st);\n }\n for(i=s->nb_programs-1; i>=0; i--) {\n av_dict_free(&s->programs[i]->metadata);\n av_freep(&s->programs[i]->stream_index);\n av_freep(&s->programs[i]);\n }\n av_freep(&s->programs);\n av_freep(&s->priv_data);\n while(s->nb_chapters--) {\n av_dict_free(&s->chapters[s->nb_chapters]->metadata);\n av_free(s->chapters[s->nb_chapters]);\n }\n av_freep(&s->chapters);\n av_dict_free(&s->metadata);\n av_freep(&s->streams);\n av_free(s);\n}'] |
11,727 | 0 | https://github.com/openssl/openssl/blob/8b0d4242404f9e5da26e7594fa0864b2df4601af/crypto/bn/bn_lib.c/#L271 | 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;
} | ['static int rsa_ossl_private_decrypt(int flen, const unsigned char *from,\n unsigned char *to, RSA *rsa, int padding)\n{\n BIGNUM *f, *ret;\n int j, num = 0, r = -1;\n unsigned char *p;\n unsigned char *buf = NULL;\n BN_CTX *ctx = NULL;\n int local_blinding = 0;\n BIGNUM *unblind = NULL;\n BN_BLINDING *blinding = NULL;\n if ((ctx = BN_CTX_new()) == NULL)\n goto err;\n BN_CTX_start(ctx);\n f = BN_CTX_get(ctx);\n ret = BN_CTX_get(ctx);\n num = BN_num_bytes(rsa->n);\n buf = OPENSSL_malloc(num);\n if (f == NULL || ret == NULL || buf == NULL) {\n RSAerr(RSA_F_RSA_OSSL_PRIVATE_DECRYPT, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n if (flen > num) {\n RSAerr(RSA_F_RSA_OSSL_PRIVATE_DECRYPT,\n RSA_R_DATA_GREATER_THAN_MOD_LEN);\n goto err;\n }\n if (BN_bin2bn(from, (int)flen, f) == NULL)\n goto err;\n if (BN_ucmp(f, rsa->n) >= 0) {\n RSAerr(RSA_F_RSA_OSSL_PRIVATE_DECRYPT,\n RSA_R_DATA_TOO_LARGE_FOR_MODULUS);\n goto err;\n }\n if (!(rsa->flags & RSA_FLAG_NO_BLINDING)) {\n blinding = rsa_get_blinding(rsa, &local_blinding, ctx);\n if (blinding == NULL) {\n RSAerr(RSA_F_RSA_OSSL_PRIVATE_DECRYPT, ERR_R_INTERNAL_ERROR);\n goto err;\n }\n }\n if (blinding != NULL) {\n if (!local_blinding && ((unblind = BN_CTX_get(ctx)) == NULL)) {\n RSAerr(RSA_F_RSA_OSSL_PRIVATE_DECRYPT, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n if (!rsa_blinding_convert(blinding, f, unblind, ctx))\n goto err;\n }\n if ((rsa->flags & RSA_FLAG_EXT_PKEY) ||\n ((rsa->p != NULL) &&\n (rsa->q != NULL) &&\n (rsa->dmp1 != NULL) && (rsa->dmq1 != NULL) && (rsa->iqmp != NULL))) {\n if (!rsa->meth->rsa_mod_exp(ret, f, rsa, ctx))\n goto err;\n } else {\n BIGNUM *d = BN_new();\n if (d == NULL) {\n RSAerr(RSA_F_RSA_OSSL_PRIVATE_DECRYPT, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n BN_with_flags(d, rsa->d, BN_FLG_CONSTTIME);\n if (rsa->flags & RSA_FLAG_CACHE_PUBLIC)\n if (!BN_MONT_CTX_set_locked\n (&rsa->_method_mod_n, rsa->lock, rsa->n, ctx)) {\n BN_free(d);\n goto err;\n }\n if (!rsa->meth->bn_mod_exp(ret, f, d, rsa->n, ctx,\n rsa->_method_mod_n)) {\n BN_free(d);\n goto err;\n }\n BN_free(d);\n }\n if (blinding)\n if (!rsa_blinding_invert(blinding, ret, unblind, ctx))\n goto err;\n p = buf;\n j = BN_bn2bin(ret, p);\n switch (padding) {\n case RSA_PKCS1_PADDING:\n r = RSA_padding_check_PKCS1_type_2(to, num, buf, j, num);\n break;\n case RSA_PKCS1_OAEP_PADDING:\n r = RSA_padding_check_PKCS1_OAEP(to, num, buf, j, num, NULL, 0);\n break;\n case RSA_SSLV23_PADDING:\n r = RSA_padding_check_SSLv23(to, num, buf, j, num);\n break;\n case RSA_NO_PADDING:\n r = RSA_padding_check_none(to, num, buf, j, num);\n break;\n default:\n RSAerr(RSA_F_RSA_OSSL_PRIVATE_DECRYPT, RSA_R_UNKNOWN_PADDING_TYPE);\n goto err;\n }\n if (r < 0)\n RSAerr(RSA_F_RSA_OSSL_PRIVATE_DECRYPT, RSA_R_PADDING_CHECK_FAILED);\n err:\n if (ctx != NULL)\n BN_CTX_end(ctx);\n BN_CTX_free(ctx);\n OPENSSL_clear_free(buf, num);\n return (r);\n}', 'BIGNUM *BN_bin2bn(const unsigned char *s, int len, BIGNUM *ret)\n{\n unsigned int i, m;\n unsigned int n;\n BN_ULONG l;\n BIGNUM *bn = NULL;\n if (ret == NULL)\n ret = bn = BN_new();\n if (ret == NULL)\n return (NULL);\n bn_check_top(ret);\n for ( ; len > 0 && *s == 0; s++, len--)\n continue;\n n = len;\n if (n == 0) {\n ret->top = 0;\n return (ret);\n }\n i = ((n - 1) / BN_BYTES) + 1;\n m = ((n - 1) % (BN_BYTES));\n if (bn_wexpand(ret, (int)i) == NULL) {\n BN_free(bn);\n return NULL;\n }\n ret->top = i;\n ret->neg = 0;\n l = 0;\n while (n--) {\n l = (l << 8L) | *(s++);\n if (m-- == 0) {\n ret->d[--i] = l;\n l = 0;\n m = BN_BYTES - 1;\n }\n }\n bn_correct_top(ret);\n return (ret);\n}', 'static int rsa_blinding_convert(BN_BLINDING *b, BIGNUM *f, BIGNUM *unblind,\n BN_CTX *ctx)\n{\n if (unblind == NULL)\n return BN_BLINDING_convert_ex(f, NULL, b, ctx);\n else {\n int ret;\n BN_BLINDING_lock(b);\n ret = BN_BLINDING_convert_ex(f, unblind, b, ctx);\n BN_BLINDING_unlock(b);\n return ret;\n }\n}', 'int BN_BLINDING_convert_ex(BIGNUM *n, BIGNUM *r, BN_BLINDING *b, BN_CTX *ctx)\n{\n int ret = 1;\n bn_check_top(n);\n if ((b->A == NULL) || (b->Ai == NULL)) {\n BNerr(BN_F_BN_BLINDING_CONVERT_EX, BN_R_NOT_INITIALIZED);\n return (0);\n }\n if (b->counter == -1)\n b->counter = 0;\n else if (!BN_BLINDING_update(b, ctx))\n return (0);\n if (r != NULL) {\n if (!BN_copy(r, b->Ai))\n ret = 0;\n }\n if (!BN_mod_mul(n, n, b->A, b->mod, ctx))\n ret = 0;\n return ret;\n}', 'BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)\n{\n bn_check_top(b);\n if (a == b)\n return a;\n if (bn_wexpand(a, b->top) == NULL)\n return NULL;\n if (b->top > 0)\n memcpy(a->d, b->d, sizeof(b->d[0]) * b->top);\n a->top = b->top;\n a->neg = b->neg;\n bn_check_top(a);\n return a;\n}', 'BIGNUM *bn_wexpand(BIGNUM *a, int words)\n{\n return (words <= a->dmax) ? a : bn_expand2(a, words);\n}', 'BIGNUM *bn_expand2(BIGNUM *b, int words)\n{\n bn_check_top(b);\n if (words > b->dmax) {\n BN_ULONG *a = bn_expand_internal(b, words);\n if (!a)\n return NULL;\n if (b->d) {\n OPENSSL_cleanse(b->d, b->dmax * sizeof(b->d[0]));\n bn_free_d(b);\n }\n b->d = a;\n b->dmax = words;\n }\n bn_check_top(b);\n return b;\n}', 'static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)\n{\n BN_ULONG *a = NULL;\n bn_check_top(b);\n if (words > (INT_MAX / (4 * BN_BITS2))) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);\n return NULL;\n }\n if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);\n return (NULL);\n }\n if (BN_get_flags(b, BN_FLG_SECURE))\n a = OPENSSL_secure_zalloc(words * sizeof(*a));\n else\n a = OPENSSL_zalloc(words * sizeof(*a));\n if (a == NULL) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);\n return (NULL);\n }\n assert(b->top <= words);\n if (b->top > 0)\n memcpy(a, b->d, sizeof(*a) * b->top);\n return a;\n}', 'void *CRYPTO_zalloc(size_t num, const char *file, int line)\n{\n void *ret = CRYPTO_malloc(num, file, line);\n FAILTEST();\n if (ret != NULL)\n memset(ret, 0, num);\n return ret;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)\n return malloc_impl(num, file, line);\n if (num == 0)\n return NULL;\n FAILTEST();\n allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n osslargused(file); osslargused(line);\n ret = malloc(num);\n#endif\n return ret;\n}'] |
11,728 | 0 | https://github.com/libav/libav/blob/f40f329e9219a8dd7e585345a8ea294fa66562b9/libavcodec/mpegaudiodec.c/#L707 | static void dct32(INTFLOAT *out, INTFLOAT *tab)
{
INTFLOAT tmp0, tmp1;
BF( 0, 31, COS0_0 , 1);
BF(15, 16, COS0_15, 5);
BF( 0, 15, COS1_0 , 1);
BF(16, 31,-COS1_0 , 1);
BF( 7, 24, COS0_7 , 1);
BF( 8, 23, COS0_8 , 1);
BF( 7, 8, COS1_7 , 4);
BF(23, 24,-COS1_7 , 4);
BF( 0, 7, COS2_0 , 1);
BF( 8, 15,-COS2_0 , 1);
BF(16, 23, COS2_0 , 1);
BF(24, 31,-COS2_0 , 1);
BF( 3, 28, COS0_3 , 1);
BF(12, 19, COS0_12, 2);
BF( 3, 12, COS1_3 , 1);
BF(19, 28,-COS1_3 , 1);
BF( 4, 27, COS0_4 , 1);
BF(11, 20, COS0_11, 2);
BF( 4, 11, COS1_4 , 1);
BF(20, 27,-COS1_4 , 1);
BF( 3, 4, COS2_3 , 3);
BF(11, 12,-COS2_3 , 3);
BF(19, 20, COS2_3 , 3);
BF(27, 28,-COS2_3 , 3);
BF( 0, 3, COS3_0 , 1);
BF( 4, 7,-COS3_0 , 1);
BF( 8, 11, COS3_0 , 1);
BF(12, 15,-COS3_0 , 1);
BF(16, 19, COS3_0 , 1);
BF(20, 23,-COS3_0 , 1);
BF(24, 27, COS3_0 , 1);
BF(28, 31,-COS3_0 , 1);
BF( 1, 30, COS0_1 , 1);
BF(14, 17, COS0_14, 3);
BF( 1, 14, COS1_1 , 1);
BF(17, 30,-COS1_1 , 1);
BF( 6, 25, COS0_6 , 1);
BF( 9, 22, COS0_9 , 1);
BF( 6, 9, COS1_6 , 2);
BF(22, 25,-COS1_6 , 2);
BF( 1, 6, COS2_1 , 1);
BF( 9, 14,-COS2_1 , 1);
BF(17, 22, COS2_1 , 1);
BF(25, 30,-COS2_1 , 1);
BF( 2, 29, COS0_2 , 1);
BF(13, 18, COS0_13, 3);
BF( 2, 13, COS1_2 , 1);
BF(18, 29,-COS1_2 , 1);
BF( 5, 26, COS0_5 , 1);
BF(10, 21, COS0_10, 1);
BF( 5, 10, COS1_5 , 2);
BF(21, 26,-COS1_5 , 2);
BF( 2, 5, COS2_2 , 1);
BF(10, 13,-COS2_2 , 1);
BF(18, 21, COS2_2 , 1);
BF(26, 29,-COS2_2 , 1);
BF( 1, 2, COS3_1 , 2);
BF( 5, 6,-COS3_1 , 2);
BF( 9, 10, COS3_1 , 2);
BF(13, 14,-COS3_1 , 2);
BF(17, 18, COS3_1 , 2);
BF(21, 22,-COS3_1 , 2);
BF(25, 26, COS3_1 , 2);
BF(29, 30,-COS3_1 , 2);
BF1( 0, 1, 2, 3);
BF2( 4, 5, 6, 7);
BF1( 8, 9, 10, 11);
BF2(12, 13, 14, 15);
BF1(16, 17, 18, 19);
BF2(20, 21, 22, 23);
BF1(24, 25, 26, 27);
BF2(28, 29, 30, 31);
ADD( 8, 12);
ADD(12, 10);
ADD(10, 14);
ADD(14, 9);
ADD( 9, 13);
ADD(13, 11);
ADD(11, 15);
out[ 0] = tab[0];
out[16] = tab[1];
out[ 8] = tab[2];
out[24] = tab[3];
out[ 4] = tab[4];
out[20] = tab[5];
out[12] = tab[6];
out[28] = tab[7];
out[ 2] = tab[8];
out[18] = tab[9];
out[10] = tab[10];
out[26] = tab[11];
out[ 6] = tab[12];
out[22] = tab[13];
out[14] = tab[14];
out[30] = tab[15];
ADD(24, 28);
ADD(28, 26);
ADD(26, 30);
ADD(30, 25);
ADD(25, 29);
ADD(29, 27);
ADD(27, 31);
out[ 1] = tab[16] + tab[24];
out[17] = tab[17] + tab[25];
out[ 9] = tab[18] + tab[26];
out[25] = tab[19] + tab[27];
out[ 5] = tab[20] + tab[28];
out[21] = tab[21] + tab[29];
out[13] = tab[22] + tab[30];
out[29] = tab[23] + tab[31];
out[ 3] = tab[24] + tab[20];
out[19] = tab[25] + tab[21];
out[11] = tab[26] + tab[22];
out[27] = tab[27] + tab[23];
out[ 7] = tab[28] + tab[18];
out[23] = tab[29] + tab[19];
out[15] = tab[30] + tab[17];
out[31] = tab[31];
} | ['static void mpc_synth(MPCContext *c, int16_t *out)\n{\n int dither_state = 0;\n int i, ch;\n OUT_INT samples[MPA_MAX_CHANNELS * MPA_FRAME_SIZE], *samples_ptr;\n for(ch = 0; ch < 2; ch++){\n samples_ptr = samples + ch;\n for(i = 0; i < SAMPLES_PER_BAND; i++) {\n ff_mpa_synth_filter(c->synth_buf[ch], &(c->synth_buf_offset[ch]),\n ff_mpa_synth_window, &dither_state,\n samples_ptr, 2,\n c->sb_samples[ch][i]);\n samples_ptr += 64;\n }\n }\n for(i = 0; i < MPC_FRAME_SIZE*2; i++)\n *out++=samples[i];\n}', 'void RENAME(ff_mpa_synth_filter)(MPA_INT *synth_buf_ptr, int *synth_buf_offset,\n MPA_INT *window, int *dither_state,\n OUT_INT *samples, int incr,\n INTFLOAT sb_samples[SBLIMIT])\n{\n register MPA_INT *synth_buf;\n register const MPA_INT *w, *w2, *p;\n int j, offset;\n OUT_INT *samples2;\n#if CONFIG_FLOAT\n float sum, sum2;\n#elif FRAC_BITS <= 15\n int32_t tmp[32];\n int sum, sum2;\n#else\n int64_t sum, sum2;\n#endif\n offset = *synth_buf_offset;\n synth_buf = synth_buf_ptr + offset;\n#if FRAC_BITS <= 15 && !CONFIG_FLOAT\n dct32(tmp, sb_samples);\n for(j=0;j<32;j++) {\n synth_buf[j] = av_clip_int16(tmp[j]);\n }\n#else\n dct32(synth_buf, sb_samples);\n#endif\n memcpy(synth_buf + 512, synth_buf, 32 * sizeof(*synth_buf));\n samples2 = samples + 31 * incr;\n w = window;\n w2 = window + 31;\n sum = *dither_state;\n p = synth_buf + 16;\n SUM8(MACS, sum, w, p);\n p = synth_buf + 48;\n SUM8(MLSS, sum, w + 32, p);\n *samples = round_sample(&sum);\n samples += incr;\n w++;\n for(j=1;j<16;j++) {\n sum2 = 0;\n p = synth_buf + 16 + j;\n SUM8P2(sum, MACS, sum2, MLSS, w, w2, p);\n p = synth_buf + 48 - j;\n SUM8P2(sum, MLSS, sum2, MLSS, w + 32, w2 + 32, p);\n *samples = round_sample(&sum);\n samples += incr;\n sum += sum2;\n *samples2 = round_sample(&sum);\n samples2 -= incr;\n w++;\n w2--;\n }\n p = synth_buf + 32;\n SUM8(MLSS, sum, w + 32, p);\n *samples = round_sample(&sum);\n *dither_state= sum;\n offset = (offset - 32) & 511;\n *synth_buf_offset = offset;\n}', 'static void dct32(INTFLOAT *out, INTFLOAT *tab)\n{\n INTFLOAT tmp0, tmp1;\n BF( 0, 31, COS0_0 , 1);\n BF(15, 16, COS0_15, 5);\n BF( 0, 15, COS1_0 , 1);\n BF(16, 31,-COS1_0 , 1);\n BF( 7, 24, COS0_7 , 1);\n BF( 8, 23, COS0_8 , 1);\n BF( 7, 8, COS1_7 , 4);\n BF(23, 24,-COS1_7 , 4);\n BF( 0, 7, COS2_0 , 1);\n BF( 8, 15,-COS2_0 , 1);\n BF(16, 23, COS2_0 , 1);\n BF(24, 31,-COS2_0 , 1);\n BF( 3, 28, COS0_3 , 1);\n BF(12, 19, COS0_12, 2);\n BF( 3, 12, COS1_3 , 1);\n BF(19, 28,-COS1_3 , 1);\n BF( 4, 27, COS0_4 , 1);\n BF(11, 20, COS0_11, 2);\n BF( 4, 11, COS1_4 , 1);\n BF(20, 27,-COS1_4 , 1);\n BF( 3, 4, COS2_3 , 3);\n BF(11, 12,-COS2_3 , 3);\n BF(19, 20, COS2_3 , 3);\n BF(27, 28,-COS2_3 , 3);\n BF( 0, 3, COS3_0 , 1);\n BF( 4, 7,-COS3_0 , 1);\n BF( 8, 11, COS3_0 , 1);\n BF(12, 15,-COS3_0 , 1);\n BF(16, 19, COS3_0 , 1);\n BF(20, 23,-COS3_0 , 1);\n BF(24, 27, COS3_0 , 1);\n BF(28, 31,-COS3_0 , 1);\n BF( 1, 30, COS0_1 , 1);\n BF(14, 17, COS0_14, 3);\n BF( 1, 14, COS1_1 , 1);\n BF(17, 30,-COS1_1 , 1);\n BF( 6, 25, COS0_6 , 1);\n BF( 9, 22, COS0_9 , 1);\n BF( 6, 9, COS1_6 , 2);\n BF(22, 25,-COS1_6 , 2);\n BF( 1, 6, COS2_1 , 1);\n BF( 9, 14,-COS2_1 , 1);\n BF(17, 22, COS2_1 , 1);\n BF(25, 30,-COS2_1 , 1);\n BF( 2, 29, COS0_2 , 1);\n BF(13, 18, COS0_13, 3);\n BF( 2, 13, COS1_2 , 1);\n BF(18, 29,-COS1_2 , 1);\n BF( 5, 26, COS0_5 , 1);\n BF(10, 21, COS0_10, 1);\n BF( 5, 10, COS1_5 , 2);\n BF(21, 26,-COS1_5 , 2);\n BF( 2, 5, COS2_2 , 1);\n BF(10, 13,-COS2_2 , 1);\n BF(18, 21, COS2_2 , 1);\n BF(26, 29,-COS2_2 , 1);\n BF( 1, 2, COS3_1 , 2);\n BF( 5, 6,-COS3_1 , 2);\n BF( 9, 10, COS3_1 , 2);\n BF(13, 14,-COS3_1 , 2);\n BF(17, 18, COS3_1 , 2);\n BF(21, 22,-COS3_1 , 2);\n BF(25, 26, COS3_1 , 2);\n BF(29, 30,-COS3_1 , 2);\n BF1( 0, 1, 2, 3);\n BF2( 4, 5, 6, 7);\n BF1( 8, 9, 10, 11);\n BF2(12, 13, 14, 15);\n BF1(16, 17, 18, 19);\n BF2(20, 21, 22, 23);\n BF1(24, 25, 26, 27);\n BF2(28, 29, 30, 31);\n ADD( 8, 12);\n ADD(12, 10);\n ADD(10, 14);\n ADD(14, 9);\n ADD( 9, 13);\n ADD(13, 11);\n ADD(11, 15);\n out[ 0] = tab[0];\n out[16] = tab[1];\n out[ 8] = tab[2];\n out[24] = tab[3];\n out[ 4] = tab[4];\n out[20] = tab[5];\n out[12] = tab[6];\n out[28] = tab[7];\n out[ 2] = tab[8];\n out[18] = tab[9];\n out[10] = tab[10];\n out[26] = tab[11];\n out[ 6] = tab[12];\n out[22] = tab[13];\n out[14] = tab[14];\n out[30] = tab[15];\n ADD(24, 28);\n ADD(28, 26);\n ADD(26, 30);\n ADD(30, 25);\n ADD(25, 29);\n ADD(29, 27);\n ADD(27, 31);\n out[ 1] = tab[16] + tab[24];\n out[17] = tab[17] + tab[25];\n out[ 9] = tab[18] + tab[26];\n out[25] = tab[19] + tab[27];\n out[ 5] = tab[20] + tab[28];\n out[21] = tab[21] + tab[29];\n out[13] = tab[22] + tab[30];\n out[29] = tab[23] + tab[31];\n out[ 3] = tab[24] + tab[20];\n out[19] = tab[25] + tab[21];\n out[11] = tab[26] + tab[22];\n out[27] = tab[27] + tab[23];\n out[ 7] = tab[28] + tab[18];\n out[23] = tab[29] + tab[19];\n out[15] = tab[30] + tab[17];\n out[31] = tab[31];\n}'] |
11,729 | 0 | https://github.com/nginx/nginx/blob/bcd78e22e97d4c870b5104d0c540caaa972176ed/src/http/ngx_http_core_module.c/#L1722 | void
ngx_http_set_exten(ngx_http_request_t *r)
{
ngx_int_t i;
ngx_str_null(&r->exten);
for (i = r->uri.len - 1; i > 1; i--) {
if (r->uri.data[i] == '.' && r->uri.data[i - 1] != '/') {
r->exten.len = r->uri.len - i - 1;
r->exten.data = &r->uri.data[i + 1];
return;
} else if (r->uri.data[i] == '/') {
return;
}
}
return;
} | ['static void\nngx_http_upstream_resolve_handler(ngx_resolver_ctx_t *ctx)\n{\n ngx_http_request_t *r;\n ngx_http_upstream_t *u;\n ngx_http_upstream_resolved_t *ur;\n r = ctx->data;\n u = r->upstream;\n ur = u->resolved;\n if (ctx->state) {\n ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,\n "%V could not be resolved (%i: %s)",\n &ctx->name, ctx->state,\n ngx_resolver_strerror(ctx->state));\n ngx_http_upstream_finalize_request(r, u, NGX_HTTP_BAD_GATEWAY);\n return;\n }\n ur->naddrs = ctx->naddrs;\n ur->addrs = ctx->addrs;\n#if (NGX_DEBUG)\n {\n in_addr_t addr;\n ngx_uint_t i;\n for (i = 0; i < ctx->naddrs; i++) {\n addr = ntohl(ur->addrs[i]);\n ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,\n "name was resolved to %ud.%ud.%ud.%ud",\n (addr >> 24) & 0xff, (addr >> 16) & 0xff,\n (addr >> 8) & 0xff, addr & 0xff);\n }\n }\n#endif\n if (ngx_http_upstream_create_round_robin_peer(r, ur) != NGX_OK) {\n ngx_http_upstream_finalize_request(r, u,\n NGX_HTTP_INTERNAL_SERVER_ERROR);\n return;\n }\n ngx_resolve_name_done(ctx);\n ur->ctx = NULL;\n ngx_http_upstream_connect(r, u);\n}', 'static void\nngx_http_upstream_finalize_request(ngx_http_request_t *r,\n ngx_http_upstream_t *u, ngx_int_t rc)\n{\n ngx_time_t *tp;\n ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,\n "finalize http upstream request: %i", rc);\n if (u->cleanup) {\n *u->cleanup = NULL;\n u->cleanup = NULL;\n }\n if (u->resolved && u->resolved->ctx) {\n ngx_resolve_name_done(u->resolved->ctx);\n u->resolved->ctx = NULL;\n }\n if (u->state && u->state->response_sec) {\n tp = ngx_timeofday();\n u->state->response_sec = tp->sec - u->state->response_sec;\n u->state->response_msec = tp->msec - u->state->response_msec;\n if (u->pipe) {\n u->state->response_length = u->pipe->read_length;\n }\n }\n u->finalize_request(r, rc);\n if (u->peer.free) {\n u->peer.free(&u->peer, u->peer.data, 0);\n }\n if (u->peer.connection) {\n#if (NGX_HTTP_SSL)\n if (u->peer.connection->ssl) {\n u->peer.connection->ssl->no_wait_shutdown = 1;\n (void) ngx_ssl_shutdown(u->peer.connection);\n }\n#endif\n ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,\n "close http upstream connection: %d",\n u->peer.connection->fd);\n ngx_close_connection(u->peer.connection);\n }\n u->peer.connection = NULL;\n if (u->pipe && u->pipe->temp_file) {\n ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,\n "http upstream temp fd: %d",\n u->pipe->temp_file->file.fd);\n }\n#if (NGX_HTTP_CACHE)\n if (u->cacheable && r->cache) {\n time_t valid;\n ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,\n "http upstream cache fd: %d",\n r->cache->file.fd);\n if (rc == NGX_HTTP_BAD_GATEWAY || rc == NGX_HTTP_GATEWAY_TIME_OUT) {\n valid = ngx_http_file_cache_valid(u->conf->cache_valid, rc);\n if (valid) {\n r->cache->valid_sec = ngx_time() + valid;\n r->cache->error = rc;\n }\n }\n ngx_http_file_cache_free(r, u->pipe->temp_file);\n }\n#endif\n if (u->header_sent\n && (rc == NGX_ERROR || rc >= NGX_HTTP_SPECIAL_RESPONSE))\n {\n rc = 0;\n }\n if (rc == NGX_DECLINED) {\n return;\n }\n r->connection->log->action = "sending to client";\n if (rc == 0) {\n rc = ngx_http_send_special(r, NGX_HTTP_LAST);\n }\n ngx_http_finalize_request(r, rc);\n}', 'void\nngx_http_finalize_request(ngx_http_request_t *r, ngx_int_t rc)\n{\n ngx_connection_t *c;\n ngx_http_request_t *pr;\n ngx_http_core_loc_conf_t *clcf;\n c = r->connection;\n ngx_log_debug5(NGX_LOG_DEBUG_HTTP, c->log, 0,\n "http finalize request: %d, \\"%V?%V\\" a:%d, c:%d",\n rc, &r->uri, &r->args, r == c->data, r->main->count);\n if (rc == NGX_DONE) {\n ngx_http_finalize_connection(r);\n return;\n }\n if (rc == NGX_OK && r->filter_finalize) {\n c->error = 1;\n return;\n }\n if (rc == NGX_DECLINED) {\n r->content_handler = NULL;\n r->write_event_handler = ngx_http_core_run_phases;\n ngx_http_core_run_phases(r);\n return;\n }\n if (r != r->main && r->post_subrequest) {\n rc = r->post_subrequest->handler(r, r->post_subrequest->data, rc);\n }\n if (rc == NGX_ERROR\n || rc == NGX_HTTP_REQUEST_TIME_OUT\n || rc == NGX_HTTP_CLIENT_CLOSED_REQUEST\n || c->error)\n {\n if (ngx_http_post_action(r) == NGX_OK) {\n return;\n }\n if (r->main->blocked) {\n r->write_event_handler = ngx_http_request_finalizer;\n }\n ngx_http_terminate_request(r, rc);\n return;\n }\n if (rc >= NGX_HTTP_SPECIAL_RESPONSE\n || rc == NGX_HTTP_CREATED\n || rc == NGX_HTTP_NO_CONTENT)\n {\n if (rc == NGX_HTTP_CLOSE) {\n ngx_http_terminate_request(r, rc);\n return;\n }\n if (r == r->main) {\n if (c->read->timer_set) {\n ngx_del_timer(c->read);\n }\n if (c->write->timer_set) {\n ngx_del_timer(c->write);\n }\n }\n c->read->handler = ngx_http_request_handler;\n c->write->handler = ngx_http_request_handler;\n ngx_http_finalize_request(r, ngx_http_special_response_handler(r, rc));\n return;\n }\n if (r != r->main) {\n if (r->buffered || r->postponed) {\n if (ngx_http_set_write_handler(r) != NGX_OK) {\n ngx_http_terminate_request(r, 0);\n }\n return;\n }\n#if (NGX_DEBUG)\n if (r != c->data) {\n ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,\n "http finalize non-active request: \\"%V?%V\\"",\n &r->uri, &r->args);\n }\n#endif\n pr = r->parent;\n if (r == c->data) {\n r->main->count--;\n if (!r->logged) {\n clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);\n if (clcf->log_subrequest) {\n ngx_http_log_request(r);\n }\n r->logged = 1;\n } else {\n ngx_log_error(NGX_LOG_ALERT, c->log, 0,\n "subrequest: \\"%V?%V\\" logged again",\n &r->uri, &r->args);\n }\n r->done = 1;\n if (pr->postponed && pr->postponed->request == r) {\n pr->postponed = pr->postponed->next;\n }\n c->data = pr;\n } else {\n r->write_event_handler = ngx_http_request_finalizer;\n if (r->waited) {\n r->done = 1;\n }\n }\n if (ngx_http_post_request(pr, NULL) != NGX_OK) {\n r->main->count++;\n ngx_http_terminate_request(r, 0);\n return;\n }\n ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,\n "http wake parent request: \\"%V?%V\\"",\n &pr->uri, &pr->args);\n return;\n }\n if (r->buffered || c->buffered || r->postponed || r->blocked) {\n if (ngx_http_set_write_handler(r) != NGX_OK) {\n ngx_http_terminate_request(r, 0);\n }\n return;\n }\n if (r != c->data) {\n ngx_log_error(NGX_LOG_ALERT, c->log, 0,\n "http finalize non-active request: \\"%V?%V\\"",\n &r->uri, &r->args);\n return;\n }\n r->done = 1;\n r->write_event_handler = ngx_http_request_empty_handler;\n if (!r->post_action) {\n r->request_complete = 1;\n }\n if (ngx_http_post_action(r) == NGX_OK) {\n return;\n }\n if (c->read->timer_set) {\n ngx_del_timer(c->read);\n }\n if (c->write->timer_set) {\n c->write->delayed = 0;\n ngx_del_timer(c->write);\n }\n if (c->read->eof) {\n ngx_http_close_request(r, 0);\n return;\n }\n ngx_http_finalize_connection(r);\n}', 'ngx_int_t\nngx_http_special_response_handler(ngx_http_request_t *r, ngx_int_t error)\n{\n ngx_uint_t i, err;\n ngx_http_err_page_t *err_page;\n ngx_http_core_loc_conf_t *clcf;\n ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,\n "http special response: %d, \\"%V?%V\\"",\n error, &r->uri, &r->args);\n r->err_status = error;\n if (r->keepalive) {\n switch (error) {\n case NGX_HTTP_BAD_REQUEST:\n case NGX_HTTP_REQUEST_ENTITY_TOO_LARGE:\n case NGX_HTTP_REQUEST_URI_TOO_LARGE:\n case NGX_HTTP_TO_HTTPS:\n case NGX_HTTPS_CERT_ERROR:\n case NGX_HTTPS_NO_CERT:\n case NGX_HTTP_INTERNAL_SERVER_ERROR:\n r->keepalive = 0;\n }\n }\n if (r->lingering_close == 1) {\n switch (error) {\n case NGX_HTTP_BAD_REQUEST:\n case NGX_HTTP_TO_HTTPS:\n case NGX_HTTPS_CERT_ERROR:\n case NGX_HTTPS_NO_CERT:\n r->lingering_close = 0;\n }\n }\n r->headers_out.content_type.len = 0;\n clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);\n if (!r->error_page && clcf->error_pages && r->uri_changes != 0) {\n if (clcf->recursive_error_pages == 0) {\n r->error_page = 1;\n }\n err_page = clcf->error_pages->elts;\n for (i = 0; i < clcf->error_pages->nelts; i++) {\n if (err_page[i].status == error) {\n return ngx_http_send_error_page(r, &err_page[i]);\n }\n }\n }\n r->expect_tested = 1;\n if (ngx_http_discard_request_body(r) != NGX_OK) {\n error = NGX_HTTP_INTERNAL_SERVER_ERROR;\n }\n if (clcf->msie_refresh\n && r->headers_in.msie\n && (error == NGX_HTTP_MOVED_PERMANENTLY\n || error == NGX_HTTP_MOVED_TEMPORARILY))\n {\n return ngx_http_send_refresh(r);\n }\n if (error == NGX_HTTP_CREATED) {\n err = 0;\n r->header_only = 1;\n } else if (error == NGX_HTTP_NO_CONTENT) {\n err = 0;\n } else if (error >= NGX_HTTP_MOVED_PERMANENTLY\n && error < NGX_HTTP_LAST_LEVEL_300)\n {\n err = error - NGX_HTTP_MOVED_PERMANENTLY + NGX_HTTP_LEVEL_200;\n } else if (error >= NGX_HTTP_BAD_REQUEST\n && error < NGX_HTTP_LAST_LEVEL_400)\n {\n err = error - NGX_HTTP_BAD_REQUEST + NGX_HTTP_LEVEL_200\n + NGX_HTTP_LEVEL_300;\n } else if (error >= NGX_HTTP_OWN_CODES\n && error < NGX_HTTP_LAST_LEVEL_500)\n {\n err = error - NGX_HTTP_OWN_CODES + NGX_HTTP_LEVEL_200\n + NGX_HTTP_LEVEL_300\n + NGX_HTTP_LEVEL_400;\n switch (error) {\n case NGX_HTTP_TO_HTTPS:\n case NGX_HTTPS_CERT_ERROR:\n case NGX_HTTPS_NO_CERT:\n r->err_status = NGX_HTTP_BAD_REQUEST;\n break;\n }\n } else {\n err = 0;\n }\n return ngx_http_send_special_response(r, clcf, err);\n}', 'static ngx_int_t\nngx_http_send_error_page(ngx_http_request_t *r, ngx_http_err_page_t *err_page)\n{\n ngx_int_t overwrite;\n ngx_str_t uri, args;\n ngx_table_elt_t *location;\n ngx_http_core_loc_conf_t *clcf;\n overwrite = err_page->overwrite;\n if (overwrite && overwrite != NGX_HTTP_OK) {\n r->expect_tested = 1;\n }\n r->err_status = overwrite;\n if (ngx_http_complex_value(r, &err_page->value, &uri) != NGX_OK) {\n return NGX_ERROR;\n }\n if (uri.data[0] == \'/\') {\n if (err_page->value.lengths) {\n ngx_http_split_args(r, &uri, &args);\n } else {\n args = err_page->args;\n }\n if (r->method != NGX_HTTP_HEAD) {\n r->method = NGX_HTTP_GET;\n r->method_name = ngx_http_get_name;\n }\n return ngx_http_internal_redirect(r, &uri, &args);\n }\n if (uri.data[0] == \'@\') {\n return ngx_http_named_location(r, &uri);\n }\n location = ngx_list_push(&r->headers_out.headers);\n if (location == NULL) {\n return NGX_ERROR;\n }\n r->err_status = NGX_HTTP_MOVED_TEMPORARILY;\n location->hash = 1;\n ngx_str_set(&location->key, "Location");\n location->value = uri;\n r->headers_out.location = location;\n clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);\n if (clcf->msie_refresh && r->headers_in.msie) {\n return ngx_http_send_refresh(r);\n }\n return ngx_http_send_special_response(r, clcf, NGX_HTTP_MOVED_TEMPORARILY\n - NGX_HTTP_MOVED_PERMANENTLY\n + NGX_HTTP_LEVEL_200);\n}', 'ngx_int_t\nngx_http_internal_redirect(ngx_http_request_t *r,\n ngx_str_t *uri, ngx_str_t *args)\n{\n ngx_http_core_srv_conf_t *cscf;\n r->uri_changes--;\n if (r->uri_changes == 0) {\n ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,\n "rewrite or internal redirection cycle "\n "while internal redirect to \\"%V\\"", uri);\n r->main->count++;\n ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);\n return NGX_DONE;\n }\n r->uri = *uri;\n if (args) {\n r->args = *args;\n } else {\n ngx_str_null(&r->args);\n }\n ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,\n "internal redirect: \\"%V?%V\\"", uri, &r->args);\n ngx_http_set_exten(r);\n ngx_memzero(r->ctx, sizeof(void *) * ngx_http_max_module);\n cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);\n r->loc_conf = cscf->ctx->loc_conf;\n ngx_http_update_location_config(r);\n#if (NGX_HTTP_CACHE)\n r->cache = NULL;\n#endif\n r->internal = 1;\n r->add_uri_to_alias = 0;\n r->main->count++;\n ngx_http_handler(r);\n return NGX_DONE;\n}', "void\nngx_http_set_exten(ngx_http_request_t *r)\n{\n ngx_int_t i;\n ngx_str_null(&r->exten);\n for (i = r->uri.len - 1; i > 1; i--) {\n if (r->uri.data[i] == '.' && r->uri.data[i - 1] != '/') {\n r->exten.len = r->uri.len - i - 1;\n r->exten.data = &r->uri.data[i + 1];\n return;\n } else if (r->uri.data[i] == '/') {\n return;\n }\n }\n return;\n}"] |
11,730 | 0 | https://gitlab.com/libtiff/libtiff/blob/cec2d959be52d749846b8343b1c71ec01533c746/tools/tiff2pdf.c/#L1906 | void t2p_read_tiff_size(T2P* t2p, TIFF* input){
uint64* sbc=NULL;
#if defined(JPEG_SUPPORT) || defined (OJPEG_SUPPORT)
unsigned char* jpt=NULL;
tstrip_t i=0;
tstrip_t stripcount=0;
#endif
uint64 k = 0;
if(t2p->pdf_transcode == T2P_TRANSCODE_RAW){
#ifdef CCITT_SUPPORT
if(t2p->pdf_compression == T2P_COMPRESS_G4 ){
TIFFGetField(input, TIFFTAG_STRIPBYTECOUNTS, &sbc);
if (sbc[0] != (uint64)(tmsize_t)sbc[0]) {
TIFFError(TIFF2PDF_MODULE, "Integer overflow");
t2p->t2p_error = T2P_ERR_ERROR;
}
t2p->tiff_datasize=(tmsize_t)sbc[0];
return;
}
#endif
#ifdef ZIP_SUPPORT
if(t2p->pdf_compression == T2P_COMPRESS_ZIP){
TIFFGetField(input, TIFFTAG_STRIPBYTECOUNTS, &sbc);
if (sbc[0] != (uint64)(tmsize_t)sbc[0]) {
TIFFError(TIFF2PDF_MODULE, "Integer overflow");
t2p->t2p_error = T2P_ERR_ERROR;
}
t2p->tiff_datasize=(tmsize_t)sbc[0];
return;
}
#endif
#ifdef OJPEG_SUPPORT
if(t2p->tiff_compression == COMPRESSION_OJPEG){
if(!TIFFGetField(input, TIFFTAG_STRIPBYTECOUNTS, &sbc)){
TIFFError(TIFF2PDF_MODULE,
"Input file %s missing field: TIFFTAG_STRIPBYTECOUNTS",
TIFFFileName(input));
t2p->t2p_error = T2P_ERR_ERROR;
return;
}
stripcount=TIFFNumberOfStrips(input);
for(i=0;i<stripcount;i++){
k = checkAdd64(k, sbc[i], t2p);
}
if(TIFFGetField(input, TIFFTAG_JPEGIFOFFSET, &(t2p->tiff_dataoffset))){
if(t2p->tiff_dataoffset != 0){
if(TIFFGetField(input, TIFFTAG_JPEGIFBYTECOUNT, &(t2p->tiff_datasize))!=0){
if((uint64)t2p->tiff_datasize < k) {
TIFFWarning(TIFF2PDF_MODULE,
"Input file %s has short JPEG interchange file byte count",
TIFFFileName(input));
t2p->pdf_ojpegiflength=t2p->tiff_datasize;
k = checkAdd64(k, t2p->tiff_datasize, t2p);
k = checkAdd64(k, 6, t2p);
k = checkAdd64(k, stripcount, t2p);
k = checkAdd64(k, stripcount, t2p);
t2p->tiff_datasize = (tsize_t) k;
if ((uint64) t2p->tiff_datasize != k) {
TIFFError(TIFF2PDF_MODULE, "Integer overflow");
t2p->t2p_error = T2P_ERR_ERROR;
}
return;
}
return;
}else {
TIFFError(TIFF2PDF_MODULE,
"Input file %s missing field: TIFFTAG_JPEGIFBYTECOUNT",
TIFFFileName(input));
t2p->t2p_error = T2P_ERR_ERROR;
return;
}
}
}
k = checkAdd64(k, stripcount, t2p);
k = checkAdd64(k, stripcount, t2p);
k = checkAdd64(k, 2048, t2p);
t2p->tiff_datasize = (tsize_t) k;
if ((uint64) t2p->tiff_datasize != k) {
TIFFError(TIFF2PDF_MODULE, "Integer overflow");
t2p->t2p_error = T2P_ERR_ERROR;
}
return;
}
#endif
#ifdef JPEG_SUPPORT
if(t2p->tiff_compression == COMPRESSION_JPEG) {
uint32 count = 0;
if(TIFFGetField(input, TIFFTAG_JPEGTABLES, &count, &jpt) != 0 ){
if(count > 4){
k += count;
k -= 2;
}
} else {
k = 2;
}
stripcount=TIFFNumberOfStrips(input);
if(!TIFFGetField(input, TIFFTAG_STRIPBYTECOUNTS, &sbc)){
TIFFError(TIFF2PDF_MODULE,
"Input file %s missing field: TIFFTAG_STRIPBYTECOUNTS",
TIFFFileName(input));
t2p->t2p_error = T2P_ERR_ERROR;
return;
}
for(i=0;i<stripcount;i++){
k = checkAdd64(k, sbc[i], t2p);
k -=2;
k +=2;
}
k = checkAdd64(k, 2, t2p);
k = checkAdd64(k, 6, t2p);
t2p->tiff_datasize = (tsize_t) k;
if ((uint64) t2p->tiff_datasize != k) {
TIFFError(TIFF2PDF_MODULE, "Integer overflow");
t2p->t2p_error = T2P_ERR_ERROR;
}
return;
}
#endif
(void) 0;
}
k = checkMultiply64(TIFFScanlineSize(input), t2p->tiff_length, t2p);
if(t2p->tiff_planar==PLANARCONFIG_SEPARATE){
k = checkMultiply64(k, t2p->tiff_samplesperpixel, t2p);
}
if (k == 0) {
t2p->t2p_error = T2P_ERR_ERROR;
}
t2p->tiff_datasize = (tsize_t) k;
if ((uint64) t2p->tiff_datasize != k) {
TIFFError(TIFF2PDF_MODULE, "Integer overflow");
t2p->t2p_error = T2P_ERR_ERROR;
}
return;
} | ['void t2p_read_tiff_size(T2P* t2p, TIFF* input){\n\tuint64* sbc=NULL;\n#if defined(JPEG_SUPPORT) || defined (OJPEG_SUPPORT)\n\tunsigned char* jpt=NULL;\n\ttstrip_t i=0;\n\ttstrip_t stripcount=0;\n#endif\n uint64 k = 0;\n\tif(t2p->pdf_transcode == T2P_TRANSCODE_RAW){\n#ifdef CCITT_SUPPORT\n\t\tif(t2p->pdf_compression == T2P_COMPRESS_G4 ){\n\t\t\tTIFFGetField(input, TIFFTAG_STRIPBYTECOUNTS, &sbc);\n if (sbc[0] != (uint64)(tmsize_t)sbc[0]) {\n TIFFError(TIFF2PDF_MODULE, "Integer overflow");\n t2p->t2p_error = T2P_ERR_ERROR;\n }\n\t\t\tt2p->tiff_datasize=(tmsize_t)sbc[0];\n\t\t\treturn;\n\t\t}\n#endif\n#ifdef ZIP_SUPPORT\n\t\tif(t2p->pdf_compression == T2P_COMPRESS_ZIP){\n\t\t\tTIFFGetField(input, TIFFTAG_STRIPBYTECOUNTS, &sbc);\n if (sbc[0] != (uint64)(tmsize_t)sbc[0]) {\n TIFFError(TIFF2PDF_MODULE, "Integer overflow");\n t2p->t2p_error = T2P_ERR_ERROR;\n }\n\t\t\tt2p->tiff_datasize=(tmsize_t)sbc[0];\n\t\t\treturn;\n\t\t}\n#endif\n#ifdef OJPEG_SUPPORT\n\t\tif(t2p->tiff_compression == COMPRESSION_OJPEG){\n\t\t\tif(!TIFFGetField(input, TIFFTAG_STRIPBYTECOUNTS, &sbc)){\n\t\t\t\tTIFFError(TIFF2PDF_MODULE,\n\t\t\t\t\t"Input file %s missing field: TIFFTAG_STRIPBYTECOUNTS",\n\t\t\t\t\tTIFFFileName(input));\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tstripcount=TIFFNumberOfStrips(input);\n\t\t\tfor(i=0;i<stripcount;i++){\n\t\t\t\tk = checkAdd64(k, sbc[i], t2p);\n\t\t\t}\n\t\t\tif(TIFFGetField(input, TIFFTAG_JPEGIFOFFSET, &(t2p->tiff_dataoffset))){\n\t\t\t\tif(t2p->tiff_dataoffset != 0){\n\t\t\t\t\tif(TIFFGetField(input, TIFFTAG_JPEGIFBYTECOUNT, &(t2p->tiff_datasize))!=0){\n\t\t\t\t\t\tif((uint64)t2p->tiff_datasize < k) {\n\t\t\t\t\t\t\tTIFFWarning(TIFF2PDF_MODULE,\n\t\t\t\t\t\t\t\t"Input file %s has short JPEG interchange file byte count",\n\t\t\t\t\t\t\t\tTIFFFileName(input));\n\t\t\t\t\t\t\tt2p->pdf_ojpegiflength=t2p->tiff_datasize;\n\t\t\t\t\t\t\tk = checkAdd64(k, t2p->tiff_datasize, t2p);\n\t\t\t\t\t\t\tk = checkAdd64(k, 6, t2p);\n\t\t\t\t\t\t\tk = checkAdd64(k, stripcount, t2p);\n\t\t\t\t\t\t\tk = checkAdd64(k, stripcount, t2p);\n\t\t\t\t\t\t\tt2p->tiff_datasize = (tsize_t) k;\n\t\t\t\t\t\t\tif ((uint64) t2p->tiff_datasize != k) {\n\t\t\t\t\t\t\t\tTIFFError(TIFF2PDF_MODULE, "Integer overflow");\n\t\t\t\t\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\treturn;\n\t\t\t\t\t\t}\n\t\t\t\t\t\treturn;\n\t\t\t\t\t}else {\n\t\t\t\t\t\tTIFFError(TIFF2PDF_MODULE,\n\t\t\t\t\t\t\t"Input file %s missing field: TIFFTAG_JPEGIFBYTECOUNT",\n\t\t\t\t\t\t\tTIFFFileName(input));\n\t\t\t\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\t\t\t\treturn;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t\tk = checkAdd64(k, stripcount, t2p);\n\t\t\tk = checkAdd64(k, stripcount, t2p);\n\t\t\tk = checkAdd64(k, 2048, t2p);\n\t\t\tt2p->tiff_datasize = (tsize_t) k;\n\t\t\tif ((uint64) t2p->tiff_datasize != k) {\n\t\t\t\tTIFFError(TIFF2PDF_MODULE, "Integer overflow");\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t}\n\t\t\treturn;\n\t\t}\n#endif\n#ifdef JPEG_SUPPORT\n\t\tif(t2p->tiff_compression == COMPRESSION_JPEG) {\n\t\t\tuint32 count = 0;\n\t\t\tif(TIFFGetField(input, TIFFTAG_JPEGTABLES, &count, &jpt) != 0 ){\n\t\t\t\tif(count > 4){\n\t\t\t\t\tk += count;\n\t\t\t\t\tk -= 2;\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tk = 2;\n\t\t\t}\n\t\t\tstripcount=TIFFNumberOfStrips(input);\n\t\t\tif(!TIFFGetField(input, TIFFTAG_STRIPBYTECOUNTS, &sbc)){\n\t\t\t\tTIFFError(TIFF2PDF_MODULE,\n\t\t\t\t\t"Input file %s missing field: TIFFTAG_STRIPBYTECOUNTS",\n\t\t\t\t\tTIFFFileName(input));\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tfor(i=0;i<stripcount;i++){\n\t\t\t\tk = checkAdd64(k, sbc[i], t2p);\n\t\t\t\tk -=2;\n\t\t\t\tk +=2;\n\t\t\t}\n\t\t\tk = checkAdd64(k, 2, t2p);\n\t\t\tk = checkAdd64(k, 6, t2p);\n\t\t\tt2p->tiff_datasize = (tsize_t) k;\n\t\t\tif ((uint64) t2p->tiff_datasize != k) {\n\t\t\t\tTIFFError(TIFF2PDF_MODULE, "Integer overflow");\n\t\t\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t\t\t}\n\t\t\treturn;\n\t\t}\n#endif\n\t\t(void) 0;\n\t}\n\tk = checkMultiply64(TIFFScanlineSize(input), t2p->tiff_length, t2p);\n\tif(t2p->tiff_planar==PLANARCONFIG_SEPARATE){\n\t\tk = checkMultiply64(k, t2p->tiff_samplesperpixel, t2p);\n\t}\n\tif (k == 0) {\n\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t}\n\tt2p->tiff_datasize = (tsize_t) k;\n\tif ((uint64) t2p->tiff_datasize != k) {\n\t\tTIFFError(TIFF2PDF_MODULE, "Integer overflow");\n\t\tt2p->t2p_error = T2P_ERR_ERROR;\n\t}\n\treturn;\n}', 'int\nTIFFGetField(TIFF* tif, uint32 tag, ...)\n{\n\tint status;\n\tva_list ap;\n\tva_start(ap, tag);\n\tstatus = TIFFVGetField(tif, tag, ap);\n\tva_end(ap);\n\treturn (status);\n}'] |
11,731 | 0 | https://github.com/libav/libav/blob/39bec05ed42e505d17877b0c23f16322f9b5883b/libavcodec/h264_cabac.c/#L1663 | static av_always_inline void
decode_cabac_residual_internal(H264Context *h, int16_t *block,
int cat, int n, const uint8_t *scantable,
const uint32_t *qmul, int max_coeff,
int is_dc, int chroma422)
{
static const int significant_coeff_flag_offset[2][14] = {
{ 105+0, 105+15, 105+29, 105+44, 105+47, 402, 484+0, 484+15, 484+29, 660, 528+0, 528+15, 528+29, 718 },
{ 277+0, 277+15, 277+29, 277+44, 277+47, 436, 776+0, 776+15, 776+29, 675, 820+0, 820+15, 820+29, 733 }
};
static const int last_coeff_flag_offset[2][14] = {
{ 166+0, 166+15, 166+29, 166+44, 166+47, 417, 572+0, 572+15, 572+29, 690, 616+0, 616+15, 616+29, 748 },
{ 338+0, 338+15, 338+29, 338+44, 338+47, 451, 864+0, 864+15, 864+29, 699, 908+0, 908+15, 908+29, 757 }
};
static const int coeff_abs_level_m1_offset[14] = {
227+0, 227+10, 227+20, 227+30, 227+39, 426, 952+0, 952+10, 952+20, 708, 982+0, 982+10, 982+20, 766
};
static const uint8_t significant_coeff_flag_offset_8x8[2][63] = {
{ 0, 1, 2, 3, 4, 5, 5, 4, 4, 3, 3, 4, 4, 4, 5, 5,
4, 4, 4, 4, 3, 3, 6, 7, 7, 7, 8, 9,10, 9, 8, 7,
7, 6,11,12,13,11, 6, 7, 8, 9,14,10, 9, 8, 6,11,
12,13,11, 6, 9,14,10, 9,11,12,13,11,14,10,12 },
{ 0, 1, 1, 2, 2, 3, 3, 4, 5, 6, 7, 7, 7, 8, 4, 5,
6, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,11,12,11,
9, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,13,13, 9,
9,10,10, 8,13,13, 9, 9,10,10,14,14,14,14,14 }
};
static const uint8_t sig_coeff_offset_dc[7] = { 0, 0, 1, 1, 2, 2, 2 };
static const uint8_t coeff_abs_level1_ctx[8] = { 1, 2, 3, 4, 0, 0, 0, 0 };
static const uint8_t coeff_abs_levelgt1_ctx[2][8] = {
{ 5, 5, 5, 5, 6, 7, 8, 9 },
{ 5, 5, 5, 5, 6, 7, 8, 8 },
};
static const uint8_t coeff_abs_level_transition[2][8] = {
{ 1, 2, 3, 3, 4, 5, 6, 7 },
{ 4, 4, 4, 4, 5, 6, 7, 7 }
};
int index[64];
int av_unused last;
int coeff_count = 0;
int node_ctx = 0;
uint8_t *significant_coeff_ctx_base;
uint8_t *last_coeff_ctx_base;
uint8_t *abs_level_m1_ctx_base;
#if !ARCH_X86
#define CABAC_ON_STACK
#endif
#ifdef CABAC_ON_STACK
#define CC &cc
CABACContext cc;
cc.range = h->cabac.range;
cc.low = h->cabac.low;
cc.bytestream= h->cabac.bytestream;
cc.bytestream_end = h->cabac.bytestream_end;
#else
#define CC &h->cabac
#endif
significant_coeff_ctx_base = h->cabac_state
+ significant_coeff_flag_offset[MB_FIELD][cat];
last_coeff_ctx_base = h->cabac_state
+ last_coeff_flag_offset[MB_FIELD][cat];
abs_level_m1_ctx_base = h->cabac_state
+ coeff_abs_level_m1_offset[cat];
if( !is_dc && max_coeff == 64 ) {
#define DECODE_SIGNIFICANCE( coefs, sig_off, last_off ) \
for(last= 0; last < coefs; last++) { \
uint8_t *sig_ctx = significant_coeff_ctx_base + sig_off; \
if( get_cabac( CC, sig_ctx )) { \
uint8_t *last_ctx = last_coeff_ctx_base + last_off; \
index[coeff_count++] = last; \
if( get_cabac( CC, last_ctx ) ) { \
last= max_coeff; \
break; \
} \
} \
}\
if( last == max_coeff -1 ) {\
index[coeff_count++] = last;\
}
const uint8_t *sig_off = significant_coeff_flag_offset_8x8[MB_FIELD];
#ifdef decode_significance
coeff_count = decode_significance_8x8(CC, significant_coeff_ctx_base, index,
last_coeff_ctx_base, sig_off);
} else {
if (is_dc && chroma422) {
DECODE_SIGNIFICANCE(7, sig_coeff_offset_dc[last], sig_coeff_offset_dc[last]);
} else {
coeff_count = decode_significance(CC, max_coeff, significant_coeff_ctx_base, index,
last_coeff_ctx_base-significant_coeff_ctx_base);
}
#else
DECODE_SIGNIFICANCE( 63, sig_off[last], ff_h264_last_coeff_flag_offset_8x8[last] );
} else {
if (is_dc && chroma422) {
DECODE_SIGNIFICANCE(7, sig_coeff_offset_dc[last], sig_coeff_offset_dc[last]);
} else {
DECODE_SIGNIFICANCE(max_coeff - 1, last, last);
}
#endif
}
assert(coeff_count > 0);
if( is_dc ) {
if( cat == 3 )
h->cbp_table[h->mb_xy] |= 0x40 << (n - CHROMA_DC_BLOCK_INDEX);
else
h->cbp_table[h->mb_xy] |= 0x100 << (n - LUMA_DC_BLOCK_INDEX);
h->non_zero_count_cache[scan8[n]] = coeff_count;
} else {
if( max_coeff == 64 )
fill_rectangle(&h->non_zero_count_cache[scan8[n]], 2, 2, 8, coeff_count, 1);
else {
assert( cat == 1 || cat == 2 || cat == 4 || cat == 7 || cat == 8 || cat == 11 || cat == 12 );
h->non_zero_count_cache[scan8[n]] = coeff_count;
}
}
#define STORE_BLOCK(type) \
do { \
uint8_t *ctx = coeff_abs_level1_ctx[node_ctx] + abs_level_m1_ctx_base; \
\
int j= scantable[index[--coeff_count]]; \
\
if( get_cabac( CC, ctx ) == 0 ) { \
node_ctx = coeff_abs_level_transition[0][node_ctx]; \
if( is_dc ) { \
((type*)block)[j] = get_cabac_bypass_sign( CC, -1); \
}else{ \
((type*)block)[j] = (get_cabac_bypass_sign( CC, -qmul[j]) + 32) >> 6; \
} \
} else { \
int coeff_abs = 2; \
ctx = coeff_abs_levelgt1_ctx[is_dc && chroma422][node_ctx] + abs_level_m1_ctx_base; \
node_ctx = coeff_abs_level_transition[1][node_ctx]; \
\
while( coeff_abs < 15 && get_cabac( CC, ctx ) ) { \
coeff_abs++; \
} \
\
if( coeff_abs >= 15 ) { \
int j = 0; \
while( get_cabac_bypass( CC ) ) { \
j++; \
} \
\
coeff_abs=1; \
while( j-- ) { \
coeff_abs += coeff_abs + get_cabac_bypass( CC ); \
} \
coeff_abs+= 14; \
} \
\
if( is_dc ) { \
((type*)block)[j] = get_cabac_bypass_sign( CC, -coeff_abs ); \
}else{ \
((type*)block)[j] = ((int)(get_cabac_bypass_sign( CC, -coeff_abs ) * qmul[j] + 32)) >> 6; \
} \
} \
} while ( coeff_count );
if (h->pixel_shift) {
STORE_BLOCK(int32_t)
} else {
STORE_BLOCK(int16_t)
}
#ifdef CABAC_ON_STACK
h->cabac.range = cc.range ;
h->cabac.low = cc.low ;
h->cabac.bytestream= cc.bytestream;
#endif
} | ['int ff_h264_decode_mb_cabac(H264Context *h) {\n int mb_xy;\n int mb_type, partition_count, cbp = 0;\n int dct8x8_allowed= h->pps.transform_8x8_mode;\n int decode_chroma = h->sps.chroma_format_idc == 1 || h->sps.chroma_format_idc == 2;\n const int pixel_shift = h->pixel_shift;\n mb_xy = h->mb_xy = h->mb_x + h->mb_y*h->mb_stride;\n tprintf(h->avctx, "pic:%d mb:%d/%d\\n", h->frame_num, h->mb_x, h->mb_y);\n if( h->slice_type_nos != AV_PICTURE_TYPE_I ) {\n int skip;\n if( FRAME_MBAFF && (h->mb_y&1)==1 && h->prev_mb_skipped )\n skip = h->next_mb_skipped;\n else\n skip = decode_cabac_mb_skip( h, h->mb_x, h->mb_y );\n if( skip ) {\n if( FRAME_MBAFF && (h->mb_y&1)==0 ){\n h->cur_pic.f.mb_type[mb_xy] = MB_TYPE_SKIP;\n h->next_mb_skipped = decode_cabac_mb_skip( h, h->mb_x, h->mb_y+1 );\n if(!h->next_mb_skipped)\n h->mb_mbaff = h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h);\n }\n decode_mb_skip(h);\n h->cbp_table[mb_xy] = 0;\n h->chroma_pred_mode_table[mb_xy] = 0;\n h->last_qscale_diff = 0;\n return 0;\n }\n }\n if(FRAME_MBAFF){\n if( (h->mb_y&1) == 0 )\n h->mb_mbaff =\n h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h);\n }\n h->prev_mb_skipped = 0;\n fill_decode_neighbors(h, -(MB_FIELD));\n if( h->slice_type_nos == AV_PICTURE_TYPE_B ) {\n int ctx = 0;\n assert(h->slice_type_nos == AV_PICTURE_TYPE_B);\n if( !IS_DIRECT( h->left_type[LTOP]-1 ) )\n ctx++;\n if( !IS_DIRECT( h->top_type-1 ) )\n ctx++;\n if( !get_cabac_noinline( &h->cabac, &h->cabac_state[27+ctx] ) ){\n mb_type= 0;\n }else if( !get_cabac_noinline( &h->cabac, &h->cabac_state[27+3] ) ) {\n mb_type= 1 + get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] );\n }else{\n int bits;\n bits = get_cabac_noinline( &h->cabac, &h->cabac_state[27+4] ) << 3;\n bits+= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ) << 2;\n bits+= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ) << 1;\n bits+= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] );\n if( bits < 8 ){\n mb_type= bits + 3;\n }else if( bits == 13 ){\n mb_type= decode_cabac_intra_mb_type(h, 32, 0);\n goto decode_intra_mb;\n }else if( bits == 14 ){\n mb_type= 11;\n }else if( bits == 15 ){\n mb_type= 22;\n }else{\n bits= ( bits<<1 ) + get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] );\n mb_type= bits - 4;\n }\n }\n partition_count= b_mb_type_info[mb_type].partition_count;\n mb_type= b_mb_type_info[mb_type].type;\n } else if( h->slice_type_nos == AV_PICTURE_TYPE_P ) {\n if( get_cabac_noinline( &h->cabac, &h->cabac_state[14] ) == 0 ) {\n if( get_cabac_noinline( &h->cabac, &h->cabac_state[15] ) == 0 ) {\n mb_type= 3 * get_cabac_noinline( &h->cabac, &h->cabac_state[16] );\n } else {\n mb_type= 2 - get_cabac_noinline( &h->cabac, &h->cabac_state[17] );\n }\n partition_count= p_mb_type_info[mb_type].partition_count;\n mb_type= p_mb_type_info[mb_type].type;\n } else {\n mb_type= decode_cabac_intra_mb_type(h, 17, 0);\n goto decode_intra_mb;\n }\n } else {\n mb_type= decode_cabac_intra_mb_type(h, 3, 1);\n if(h->slice_type == AV_PICTURE_TYPE_SI && mb_type)\n mb_type--;\n assert(h->slice_type_nos == AV_PICTURE_TYPE_I);\ndecode_intra_mb:\n partition_count = 0;\n cbp= i_mb_type_info[mb_type].cbp;\n h->intra16x16_pred_mode= i_mb_type_info[mb_type].pred_mode;\n mb_type= i_mb_type_info[mb_type].type;\n }\n if(MB_FIELD)\n mb_type |= MB_TYPE_INTERLACED;\n h->slice_table[ mb_xy ]= h->slice_num;\n if(IS_INTRA_PCM(mb_type)) {\n const int mb_size = ff_h264_mb_sizes[h->sps.chroma_format_idc] *\n h->sps.bit_depth_luma >> 3;\n const uint8_t *ptr;\n ptr= h->cabac.bytestream;\n if(h->cabac.low&0x1) ptr--;\n if(CABAC_BITS==16){\n if(h->cabac.low&0x1FF) ptr--;\n }\n if ((int) (h->cabac.bytestream_end - ptr) < mb_size)\n return -1;\n memcpy(h->mb, ptr, mb_size); ptr+=mb_size;\n ff_init_cabac_decoder(&h->cabac, ptr, h->cabac.bytestream_end - ptr);\n h->cbp_table[mb_xy] = 0xf7ef;\n h->chroma_pred_mode_table[mb_xy] = 0;\n h->cur_pic.f.qscale_table[mb_xy] = 0;\n memset(h->non_zero_count[mb_xy], 16, 48);\n h->cur_pic.f.mb_type[mb_xy] = mb_type;\n h->last_qscale_diff = 0;\n return 0;\n }\n fill_decode_caches(h, mb_type);\n if( IS_INTRA( mb_type ) ) {\n int i, pred_mode;\n if( IS_INTRA4x4( mb_type ) ) {\n if( dct8x8_allowed && get_cabac_noinline( &h->cabac, &h->cabac_state[399 + h->neighbor_transform_size] ) ) {\n mb_type |= MB_TYPE_8x8DCT;\n for( i = 0; i < 16; i+=4 ) {\n int pred = pred_intra_mode( h, i );\n int mode = decode_cabac_mb_intra4x4_pred_mode( h, pred );\n fill_rectangle( &h->intra4x4_pred_mode_cache[ scan8[i] ], 2, 2, 8, mode, 1 );\n }\n } else {\n for( i = 0; i < 16; i++ ) {\n int pred = pred_intra_mode( h, i );\n h->intra4x4_pred_mode_cache[ scan8[i] ] = decode_cabac_mb_intra4x4_pred_mode( h, pred );\n av_dlog(h->avctx, "i4x4 pred=%d mode=%d\\n", pred,\n h->intra4x4_pred_mode_cache[scan8[i]]);\n }\n }\n write_back_intra_pred_mode(h);\n if( ff_h264_check_intra4x4_pred_mode(h) < 0 ) return -1;\n } else {\n h->intra16x16_pred_mode= ff_h264_check_intra_pred_mode( h, h->intra16x16_pred_mode, 0 );\n if( h->intra16x16_pred_mode < 0 ) return -1;\n }\n if(decode_chroma){\n h->chroma_pred_mode_table[mb_xy] =\n pred_mode = decode_cabac_mb_chroma_pre_mode( h );\n pred_mode= ff_h264_check_intra_pred_mode( h, pred_mode, 1 );\n if( pred_mode < 0 ) return -1;\n h->chroma_pred_mode= pred_mode;\n } else {\n h->chroma_pred_mode= DC_128_PRED8x8;\n }\n } else if( partition_count == 4 ) {\n int i, j, sub_partition_count[4], list, ref[2][4];\n if( h->slice_type_nos == AV_PICTURE_TYPE_B ) {\n for( i = 0; i < 4; i++ ) {\n h->sub_mb_type[i] = decode_cabac_b_mb_sub_type( h );\n sub_partition_count[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;\n h->sub_mb_type[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].type;\n }\n if( IS_DIRECT(h->sub_mb_type[0] | h->sub_mb_type[1] |\n h->sub_mb_type[2] | h->sub_mb_type[3]) ) {\n ff_h264_pred_direct_motion(h, &mb_type);\n h->ref_cache[0][scan8[4]] =\n h->ref_cache[1][scan8[4]] =\n h->ref_cache[0][scan8[12]] =\n h->ref_cache[1][scan8[12]] = PART_NOT_AVAILABLE;\n for( i = 0; i < 4; i++ )\n fill_rectangle( &h->direct_cache[scan8[4*i]], 2, 2, 8, (h->sub_mb_type[i]>>1)&0xFF, 1 );\n }\n } else {\n for( i = 0; i < 4; i++ ) {\n h->sub_mb_type[i] = decode_cabac_p_mb_sub_type( h );\n sub_partition_count[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;\n h->sub_mb_type[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].type;\n }\n }\n for( list = 0; list < h->list_count; list++ ) {\n for( i = 0; i < 4; i++ ) {\n if(IS_DIRECT(h->sub_mb_type[i])) continue;\n if(IS_DIR(h->sub_mb_type[i], 0, list)){\n int rc = h->ref_count[list] << MB_MBAFF;\n if (rc > 1) {\n ref[list][i] = decode_cabac_mb_ref( h, list, 4*i );\n if (ref[list][i] >= (unsigned) rc) {\n av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\\n", ref[list][i], rc);\n return -1;\n }\n }else\n ref[list][i] = 0;\n } else {\n ref[list][i] = -1;\n }\n h->ref_cache[list][ scan8[4*i]+1 ]=\n h->ref_cache[list][ scan8[4*i]+8 ]=h->ref_cache[list][ scan8[4*i]+9 ]= ref[list][i];\n }\n }\n if(dct8x8_allowed)\n dct8x8_allowed = get_dct8x8_allowed(h);\n for(list=0; list<h->list_count; list++){\n for(i=0; i<4; i++){\n h->ref_cache[list][ scan8[4*i] ]=h->ref_cache[list][ scan8[4*i]+1 ];\n if(IS_DIRECT(h->sub_mb_type[i])){\n fill_rectangle(h->mvd_cache[list][scan8[4*i]], 2, 2, 8, 0, 2);\n continue;\n }\n if(IS_DIR(h->sub_mb_type[i], 0, list) && !IS_DIRECT(h->sub_mb_type[i])){\n const int sub_mb_type= h->sub_mb_type[i];\n const int block_width= (sub_mb_type & (MB_TYPE_16x16|MB_TYPE_16x8)) ? 2 : 1;\n for(j=0; j<sub_partition_count[i]; j++){\n int mpx, mpy;\n int mx, my;\n const int index= 4*i + block_width*j;\n int16_t (* mv_cache)[2]= &h->mv_cache[list][ scan8[index] ];\n uint8_t (* mvd_cache)[2]= &h->mvd_cache[list][ scan8[index] ];\n pred_motion(h, index, block_width, list, h->ref_cache[list][ scan8[index] ], &mx, &my);\n DECODE_CABAC_MB_MVD( h, list, index)\n tprintf(h->avctx, "final mv:%d %d\\n", mx, my);\n if(IS_SUB_8X8(sub_mb_type)){\n mv_cache[ 1 ][0]=\n mv_cache[ 8 ][0]= mv_cache[ 9 ][0]= mx;\n mv_cache[ 1 ][1]=\n mv_cache[ 8 ][1]= mv_cache[ 9 ][1]= my;\n mvd_cache[ 1 ][0]=\n mvd_cache[ 8 ][0]= mvd_cache[ 9 ][0]= mpx;\n mvd_cache[ 1 ][1]=\n mvd_cache[ 8 ][1]= mvd_cache[ 9 ][1]= mpy;\n }else if(IS_SUB_8X4(sub_mb_type)){\n mv_cache[ 1 ][0]= mx;\n mv_cache[ 1 ][1]= my;\n mvd_cache[ 1 ][0]= mpx;\n mvd_cache[ 1 ][1]= mpy;\n }else if(IS_SUB_4X8(sub_mb_type)){\n mv_cache[ 8 ][0]= mx;\n mv_cache[ 8 ][1]= my;\n mvd_cache[ 8 ][0]= mpx;\n mvd_cache[ 8 ][1]= mpy;\n }\n mv_cache[ 0 ][0]= mx;\n mv_cache[ 0 ][1]= my;\n mvd_cache[ 0 ][0]= mpx;\n mvd_cache[ 0 ][1]= mpy;\n }\n }else{\n fill_rectangle(h->mv_cache [list][ scan8[4*i] ], 2, 2, 8, 0, 4);\n fill_rectangle(h->mvd_cache[list][ scan8[4*i] ], 2, 2, 8, 0, 2);\n }\n }\n }\n } else if( IS_DIRECT(mb_type) ) {\n ff_h264_pred_direct_motion(h, &mb_type);\n fill_rectangle(h->mvd_cache[0][scan8[0]], 4, 4, 8, 0, 2);\n fill_rectangle(h->mvd_cache[1][scan8[0]], 4, 4, 8, 0, 2);\n dct8x8_allowed &= h->sps.direct_8x8_inference_flag;\n } else {\n int list, i;\n if(IS_16X16(mb_type)){\n for(list=0; list<h->list_count; list++){\n if(IS_DIR(mb_type, 0, list)){\n int ref, rc = h->ref_count[list] << MB_MBAFF;\n if (rc > 1) {\n ref= decode_cabac_mb_ref(h, list, 0);\n if (ref >= (unsigned) rc) {\n av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\\n", ref, rc);\n return -1;\n }\n }else\n ref=0;\n fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, ref, 1);\n }\n }\n for(list=0; list<h->list_count; list++){\n if(IS_DIR(mb_type, 0, list)){\n int mx,my,mpx,mpy;\n pred_motion(h, 0, 4, list, h->ref_cache[list][ scan8[0] ], &mx, &my);\n DECODE_CABAC_MB_MVD( h, list, 0)\n tprintf(h->avctx, "final mv:%d %d\\n", mx, my);\n fill_rectangle(h->mvd_cache[list][ scan8[0] ], 4, 4, 8, pack8to16(mpx,mpy), 2);\n fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx,my), 4);\n }\n }\n }\n else if(IS_16X8(mb_type)){\n for(list=0; list<h->list_count; list++){\n for(i=0; i<2; i++){\n if(IS_DIR(mb_type, i, list)){\n int ref, rc = h->ref_count[list] << MB_MBAFF;\n if (rc > 1) {\n ref= decode_cabac_mb_ref( h, list, 8*i );\n if (ref >= (unsigned) rc) {\n av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\\n", ref, rc);\n return -1;\n }\n }else\n ref=0;\n fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, ref, 1);\n }else\n fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, (LIST_NOT_USED&0xFF), 1);\n }\n }\n for(list=0; list<h->list_count; list++){\n for(i=0; i<2; i++){\n if(IS_DIR(mb_type, i, list)){\n int mx,my,mpx,mpy;\n pred_16x8_motion(h, 8*i, list, h->ref_cache[list][scan8[0] + 16*i], &mx, &my);\n DECODE_CABAC_MB_MVD( h, list, 8*i)\n tprintf(h->avctx, "final mv:%d %d\\n", mx, my);\n fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack8to16(mpx,mpy), 2);\n fill_rectangle(h->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx,my), 4);\n }else{\n fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 2);\n fill_rectangle(h-> mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 4);\n }\n }\n }\n }else{\n assert(IS_8X16(mb_type));\n for(list=0; list<h->list_count; list++){\n for(i=0; i<2; i++){\n if(IS_DIR(mb_type, i, list)){\n int ref, rc = h->ref_count[list] << MB_MBAFF;\n if (rc > 1) {\n ref= decode_cabac_mb_ref( h, list, 4*i );\n if (ref >= (unsigned) rc) {\n av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\\n", ref, rc);\n return -1;\n }\n }else\n ref=0;\n fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, ref, 1);\n }else\n fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, (LIST_NOT_USED&0xFF), 1);\n }\n }\n for(list=0; list<h->list_count; list++){\n for(i=0; i<2; i++){\n if(IS_DIR(mb_type, i, list)){\n int mx,my,mpx,mpy;\n pred_8x16_motion(h, i*4, list, h->ref_cache[list][ scan8[0] + 2*i ], &mx, &my);\n DECODE_CABAC_MB_MVD( h, list, 4*i)\n tprintf(h->avctx, "final mv:%d %d\\n", mx, my);\n fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack8to16(mpx,mpy), 2);\n fill_rectangle(h->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx,my), 4);\n }else{\n fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 2);\n fill_rectangle(h-> mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 4);\n }\n }\n }\n }\n }\n if( IS_INTER( mb_type ) ) {\n h->chroma_pred_mode_table[mb_xy] = 0;\n write_back_motion( h, mb_type );\n }\n if( !IS_INTRA16x16( mb_type ) ) {\n cbp = decode_cabac_mb_cbp_luma( h );\n if(decode_chroma)\n cbp |= decode_cabac_mb_cbp_chroma( h ) << 4;\n }\n h->cbp_table[mb_xy] = h->cbp = cbp;\n if( dct8x8_allowed && (cbp&15) && !IS_INTRA( mb_type ) ) {\n mb_type |= MB_TYPE_8x8DCT * get_cabac_noinline( &h->cabac, &h->cabac_state[399 + h->neighbor_transform_size] );\n }\n if (CHROMA444 && IS_8x8DCT(mb_type)){\n int i;\n uint8_t *nnz_cache = h->non_zero_count_cache;\n for (i = 0; i < 2; i++){\n if (h->left_type[LEFT(i)] && !IS_8x8DCT(h->left_type[LEFT(i)])){\n nnz_cache[3+8* 1 + 2*8*i]=\n nnz_cache[3+8* 2 + 2*8*i]=\n nnz_cache[3+8* 6 + 2*8*i]=\n nnz_cache[3+8* 7 + 2*8*i]=\n nnz_cache[3+8*11 + 2*8*i]=\n nnz_cache[3+8*12 + 2*8*i]= IS_INTRA(mb_type) ? 64 : 0;\n }\n }\n if (h->top_type && !IS_8x8DCT(h->top_type)){\n uint32_t top_empty = CABAC && !IS_INTRA(mb_type) ? 0 : 0x40404040;\n AV_WN32A(&nnz_cache[4+8* 0], top_empty);\n AV_WN32A(&nnz_cache[4+8* 5], top_empty);\n AV_WN32A(&nnz_cache[4+8*10], top_empty);\n }\n }\n h->cur_pic.f.mb_type[mb_xy] = mb_type;\n if( cbp || IS_INTRA16x16( mb_type ) ) {\n const uint8_t *scan, *scan8x8;\n const uint32_t *qmul;\n if(IS_INTERLACED(mb_type)){\n scan8x8= h->qscale ? h->field_scan8x8 : h->field_scan8x8_q0;\n scan= h->qscale ? h->field_scan : h->field_scan_q0;\n }else{\n scan8x8= h->qscale ? h->zigzag_scan8x8 : h->zigzag_scan8x8_q0;\n scan= h->qscale ? h->zigzag_scan : h->zigzag_scan_q0;\n }\n if(get_cabac_noinline( &h->cabac, &h->cabac_state[60 + (h->last_qscale_diff != 0)])){\n int val = 1;\n int ctx= 2;\n const int max_qp = 51 + 6*(h->sps.bit_depth_luma-8);\n while( get_cabac_noinline( &h->cabac, &h->cabac_state[60 + ctx] ) ) {\n ctx= 3;\n val++;\n if(val > 2*max_qp){\n av_log(h->avctx, AV_LOG_ERROR, "cabac decode of qscale diff failed at %d %d\\n", h->mb_x, h->mb_y);\n return -1;\n }\n }\n if( val&0x01 )\n val= (val + 1)>>1 ;\n else\n val= -((val + 1)>>1);\n h->last_qscale_diff = val;\n h->qscale += val;\n if(((unsigned)h->qscale) > max_qp){\n if(h->qscale<0) h->qscale+= max_qp+1;\n else h->qscale-= max_qp+1;\n }\n h->chroma_qp[0] = get_chroma_qp(h, 0, h->qscale);\n h->chroma_qp[1] = get_chroma_qp(h, 1, h->qscale);\n }else\n h->last_qscale_diff=0;\n decode_cabac_luma_residual(h, scan, scan8x8, pixel_shift, mb_type, cbp, 0);\n if(CHROMA444){\n decode_cabac_luma_residual(h, scan, scan8x8, pixel_shift, mb_type, cbp, 1);\n decode_cabac_luma_residual(h, scan, scan8x8, pixel_shift, mb_type, cbp, 2);\n } else if (CHROMA422) {\n if( cbp&0x30 ){\n int c;\n for (c = 0; c < 2; c++)\n decode_cabac_residual_dc_422(h, h->mb + ((256 + 16*16*c) << pixel_shift), 3,\n CHROMA_DC_BLOCK_INDEX + c,\n chroma422_dc_scan, 8);\n }\n if( cbp&0x20 ) {\n int c, i, i8x8;\n for( c = 0; c < 2; c++ ) {\n int16_t *mb = h->mb + (16*(16 + 16*c) << pixel_shift);\n qmul = h->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][h->chroma_qp[c]];\n for (i8x8 = 0; i8x8 < 2; i8x8++) {\n for (i = 0; i < 4; i++) {\n const int index = 16 + 16 * c + 8*i8x8 + i;\n decode_cabac_residual_nondc(h, mb, 4, index, scan + 1, qmul, 15);\n mb += 16<<pixel_shift;\n }\n }\n }\n } else {\n fill_rectangle(&h->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);\n fill_rectangle(&h->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);\n }\n } else {\n if( cbp&0x30 ){\n int c;\n for (c = 0; c < 2; c++)\n decode_cabac_residual_dc(h, h->mb + ((256 + 16*16*c) << pixel_shift), 3, CHROMA_DC_BLOCK_INDEX+c, chroma_dc_scan, 4);\n }\n if( cbp&0x20 ) {\n int c, i;\n for( c = 0; c < 2; c++ ) {\n qmul = h->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][h->chroma_qp[c]];\n for( i = 0; i < 4; i++ ) {\n const int index = 16 + 16 * c + i;\n decode_cabac_residual_nondc(h, h->mb + (16*index << pixel_shift), 4, index, scan + 1, qmul, 15);\n }\n }\n } else {\n fill_rectangle(&h->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);\n fill_rectangle(&h->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);\n }\n }\n } else {\n fill_rectangle(&h->non_zero_count_cache[scan8[ 0]], 4, 4, 8, 0, 1);\n fill_rectangle(&h->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);\n fill_rectangle(&h->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);\n h->last_qscale_diff = 0;\n }\n h->cur_pic.f.qscale_table[mb_xy] = h->qscale;\n write_back_non_zero_count(h);\n return 0;\n}', 'static void fill_decode_caches(H264Context *h, int mb_type)\n{\n int topleft_xy, top_xy, topright_xy, left_xy[LEFT_MBS];\n int topleft_type, top_type, topright_type, left_type[LEFT_MBS];\n const uint8_t *left_block = h->left_block;\n int i;\n uint8_t *nnz;\n uint8_t *nnz_cache;\n topleft_xy = h->topleft_mb_xy;\n top_xy = h->top_mb_xy;\n topright_xy = h->topright_mb_xy;\n left_xy[LTOP] = h->left_mb_xy[LTOP];\n left_xy[LBOT] = h->left_mb_xy[LBOT];\n topleft_type = h->topleft_type;\n top_type = h->top_type;\n topright_type = h->topright_type;\n left_type[LTOP] = h->left_type[LTOP];\n left_type[LBOT] = h->left_type[LBOT];\n if (!IS_SKIP(mb_type)) {\n if (IS_INTRA(mb_type)) {\n int type_mask = h->pps.constrained_intra_pred ? IS_INTRA(-1) : -1;\n h->topleft_samples_available =\n h->top_samples_available =\n h->left_samples_available = 0xFFFF;\n h->topright_samples_available = 0xEEEA;\n if (!(top_type & type_mask)) {\n h->topleft_samples_available = 0xB3FF;\n h->top_samples_available = 0x33FF;\n h->topright_samples_available = 0x26EA;\n }\n if (IS_INTERLACED(mb_type) != IS_INTERLACED(left_type[LTOP])) {\n if (IS_INTERLACED(mb_type)) {\n if (!(left_type[LTOP] & type_mask)) {\n h->topleft_samples_available &= 0xDFFF;\n h->left_samples_available &= 0x5FFF;\n }\n if (!(left_type[LBOT] & type_mask)) {\n h->topleft_samples_available &= 0xFF5F;\n h->left_samples_available &= 0xFF5F;\n }\n } else {\n int left_typei = h->cur_pic.f.mb_type[left_xy[LTOP] + h->mb_stride];\n assert(left_xy[LTOP] == left_xy[LBOT]);\n if (!((left_typei & type_mask) && (left_type[LTOP] & type_mask))) {\n h->topleft_samples_available &= 0xDF5F;\n h->left_samples_available &= 0x5F5F;\n }\n }\n } else {\n if (!(left_type[LTOP] & type_mask)) {\n h->topleft_samples_available &= 0xDF5F;\n h->left_samples_available &= 0x5F5F;\n }\n }\n if (!(topleft_type & type_mask))\n h->topleft_samples_available &= 0x7FFF;\n if (!(topright_type & type_mask))\n h->topright_samples_available &= 0xFBFF;\n if (IS_INTRA4x4(mb_type)) {\n if (IS_INTRA4x4(top_type)) {\n AV_COPY32(h->intra4x4_pred_mode_cache + 4 + 8 * 0, h->intra4x4_pred_mode + h->mb2br_xy[top_xy]);\n } else {\n h->intra4x4_pred_mode_cache[4 + 8 * 0] =\n h->intra4x4_pred_mode_cache[5 + 8 * 0] =\n h->intra4x4_pred_mode_cache[6 + 8 * 0] =\n h->intra4x4_pred_mode_cache[7 + 8 * 0] = 2 - 3 * !(top_type & type_mask);\n }\n for (i = 0; i < 2; i++) {\n if (IS_INTRA4x4(left_type[LEFT(i)])) {\n int8_t *mode = h->intra4x4_pred_mode + h->mb2br_xy[left_xy[LEFT(i)]];\n h->intra4x4_pred_mode_cache[3 + 8 * 1 + 2 * 8 * i] = mode[6 - left_block[0 + 2 * i]];\n h->intra4x4_pred_mode_cache[3 + 8 * 2 + 2 * 8 * i] = mode[6 - left_block[1 + 2 * i]];\n } else {\n h->intra4x4_pred_mode_cache[3 + 8 * 1 + 2 * 8 * i] =\n h->intra4x4_pred_mode_cache[3 + 8 * 2 + 2 * 8 * i] = 2 - 3 * !(left_type[LEFT(i)] & type_mask);\n }\n }\n }\n }\n nnz_cache = h->non_zero_count_cache;\n if (top_type) {\n nnz = h->non_zero_count[top_xy];\n AV_COPY32(&nnz_cache[4 + 8 * 0], &nnz[4 * 3]);\n if (!h->chroma_y_shift) {\n AV_COPY32(&nnz_cache[4 + 8 * 5], &nnz[4 * 7]);\n AV_COPY32(&nnz_cache[4 + 8 * 10], &nnz[4 * 11]);\n } else {\n AV_COPY32(&nnz_cache[4 + 8 * 5], &nnz[4 * 5]);\n AV_COPY32(&nnz_cache[4 + 8 * 10], &nnz[4 * 9]);\n }\n } else {\n uint32_t top_empty = CABAC && !IS_INTRA(mb_type) ? 0 : 0x40404040;\n AV_WN32A(&nnz_cache[4 + 8 * 0], top_empty);\n AV_WN32A(&nnz_cache[4 + 8 * 5], top_empty);\n AV_WN32A(&nnz_cache[4 + 8 * 10], top_empty);\n }\n for (i = 0; i < 2; i++) {\n if (left_type[LEFT(i)]) {\n nnz = h->non_zero_count[left_xy[LEFT(i)]];\n nnz_cache[3 + 8 * 1 + 2 * 8 * i] = nnz[left_block[8 + 0 + 2 * i]];\n nnz_cache[3 + 8 * 2 + 2 * 8 * i] = nnz[left_block[8 + 1 + 2 * i]];\n if (CHROMA444) {\n nnz_cache[3 + 8 * 6 + 2 * 8 * i] = nnz[left_block[8 + 0 + 2 * i] + 4 * 4];\n nnz_cache[3 + 8 * 7 + 2 * 8 * i] = nnz[left_block[8 + 1 + 2 * i] + 4 * 4];\n nnz_cache[3 + 8 * 11 + 2 * 8 * i] = nnz[left_block[8 + 0 + 2 * i] + 8 * 4];\n nnz_cache[3 + 8 * 12 + 2 * 8 * i] = nnz[left_block[8 + 1 + 2 * i] + 8 * 4];\n } else if (CHROMA422) {\n nnz_cache[3 + 8 * 6 + 2 * 8 * i] = nnz[left_block[8 + 0 + 2 * i] - 2 + 4 * 4];\n nnz_cache[3 + 8 * 7 + 2 * 8 * i] = nnz[left_block[8 + 1 + 2 * i] - 2 + 4 * 4];\n nnz_cache[3 + 8 * 11 + 2 * 8 * i] = nnz[left_block[8 + 0 + 2 * i] - 2 + 8 * 4];\n nnz_cache[3 + 8 * 12 + 2 * 8 * i] = nnz[left_block[8 + 1 + 2 * i] - 2 + 8 * 4];\n } else {\n nnz_cache[3 + 8 * 6 + 8 * i] = nnz[left_block[8 + 4 + 2 * i]];\n nnz_cache[3 + 8 * 11 + 8 * i] = nnz[left_block[8 + 5 + 2 * i]];\n }\n } else {\n nnz_cache[3 + 8 * 1 + 2 * 8 * i] =\n nnz_cache[3 + 8 * 2 + 2 * 8 * i] =\n nnz_cache[3 + 8 * 6 + 2 * 8 * i] =\n nnz_cache[3 + 8 * 7 + 2 * 8 * i] =\n nnz_cache[3 + 8 * 11 + 2 * 8 * i] =\n nnz_cache[3 + 8 * 12 + 2 * 8 * i] = CABAC && !IS_INTRA(mb_type) ? 0 : 64;\n }\n }\n if (CABAC) {\n if (top_type)\n h->top_cbp = h->cbp_table[top_xy];\n else\n h->top_cbp = IS_INTRA(mb_type) ? 0x7CF : 0x00F;\n if (left_type[LTOP]) {\n h->left_cbp = (h->cbp_table[left_xy[LTOP]] & 0x7F0) |\n ((h->cbp_table[left_xy[LTOP]] >> (left_block[0] & (~1))) & 2) |\n (((h->cbp_table[left_xy[LBOT]] >> (left_block[2] & (~1))) & 2) << 2);\n } else {\n h->left_cbp = IS_INTRA(mb_type) ? 0x7CF : 0x00F;\n }\n }\n }\n if (IS_INTER(mb_type) || (IS_DIRECT(mb_type) && h->direct_spatial_mv_pred)) {\n int list;\n int b_stride = h->b_stride;\n for (list = 0; list < h->list_count; list++) {\n int8_t *ref_cache = &h->ref_cache[list][scan8[0]];\n int8_t *ref = h->cur_pic.f.ref_index[list];\n int16_t(*mv_cache)[2] = &h->mv_cache[list][scan8[0]];\n int16_t(*mv)[2] = h->cur_pic.f.motion_val[list];\n if (!USES_LIST(mb_type, list))\n continue;\n assert(!(IS_DIRECT(mb_type) && !h->direct_spatial_mv_pred));\n if (USES_LIST(top_type, list)) {\n const int b_xy = h->mb2b_xy[top_xy] + 3 * b_stride;\n AV_COPY128(mv_cache[0 - 1 * 8], mv[b_xy + 0]);\n ref_cache[0 - 1 * 8] =\n ref_cache[1 - 1 * 8] = ref[4 * top_xy + 2];\n ref_cache[2 - 1 * 8] =\n ref_cache[3 - 1 * 8] = ref[4 * top_xy + 3];\n } else {\n AV_ZERO128(mv_cache[0 - 1 * 8]);\n AV_WN32A(&ref_cache[0 - 1 * 8],\n ((top_type ? LIST_NOT_USED : PART_NOT_AVAILABLE) & 0xFF) * 0x01010101u);\n }\n if (mb_type & (MB_TYPE_16x8 | MB_TYPE_8x8)) {\n for (i = 0; i < 2; i++) {\n int cache_idx = -1 + i * 2 * 8;\n if (USES_LIST(left_type[LEFT(i)], list)) {\n const int b_xy = h->mb2b_xy[left_xy[LEFT(i)]] + 3;\n const int b8_xy = 4 * left_xy[LEFT(i)] + 1;\n AV_COPY32(mv_cache[cache_idx],\n mv[b_xy + b_stride * left_block[0 + i * 2]]);\n AV_COPY32(mv_cache[cache_idx + 8],\n mv[b_xy + b_stride * left_block[1 + i * 2]]);\n ref_cache[cache_idx] = ref[b8_xy + (left_block[0 + i * 2] & ~1)];\n ref_cache[cache_idx + 8] = ref[b8_xy + (left_block[1 + i * 2] & ~1)];\n } else {\n AV_ZERO32(mv_cache[cache_idx]);\n AV_ZERO32(mv_cache[cache_idx + 8]);\n ref_cache[cache_idx] =\n ref_cache[cache_idx + 8] = (left_type[LEFT(i)]) ? LIST_NOT_USED\n : PART_NOT_AVAILABLE;\n }\n }\n } else {\n if (USES_LIST(left_type[LTOP], list)) {\n const int b_xy = h->mb2b_xy[left_xy[LTOP]] + 3;\n const int b8_xy = 4 * left_xy[LTOP] + 1;\n AV_COPY32(mv_cache[-1], mv[b_xy + b_stride * left_block[0]]);\n ref_cache[-1] = ref[b8_xy + (left_block[0] & ~1)];\n } else {\n AV_ZERO32(mv_cache[-1]);\n ref_cache[-1] = left_type[LTOP] ? LIST_NOT_USED\n : PART_NOT_AVAILABLE;\n }\n }\n if (USES_LIST(topright_type, list)) {\n const int b_xy = h->mb2b_xy[topright_xy] + 3 * b_stride;\n AV_COPY32(mv_cache[4 - 1 * 8], mv[b_xy]);\n ref_cache[4 - 1 * 8] = ref[4 * topright_xy + 2];\n } else {\n AV_ZERO32(mv_cache[4 - 1 * 8]);\n ref_cache[4 - 1 * 8] = topright_type ? LIST_NOT_USED\n : PART_NOT_AVAILABLE;\n }\n if (ref_cache[4 - 1 * 8] < 0) {\n if (USES_LIST(topleft_type, list)) {\n const int b_xy = h->mb2b_xy[topleft_xy] + 3 + b_stride +\n (h->topleft_partition & 2 * b_stride);\n const int b8_xy = 4 * topleft_xy + 1 + (h->topleft_partition & 2);\n AV_COPY32(mv_cache[-1 - 1 * 8], mv[b_xy]);\n ref_cache[-1 - 1 * 8] = ref[b8_xy];\n } else {\n AV_ZERO32(mv_cache[-1 - 1 * 8]);\n ref_cache[-1 - 1 * 8] = topleft_type ? LIST_NOT_USED\n : PART_NOT_AVAILABLE;\n }\n }\n if ((mb_type & (MB_TYPE_SKIP | MB_TYPE_DIRECT2)) && !FRAME_MBAFF)\n continue;\n if (!(mb_type & (MB_TYPE_SKIP | MB_TYPE_DIRECT2))) {\n uint8_t(*mvd_cache)[2] = &h->mvd_cache[list][scan8[0]];\n uint8_t(*mvd)[2] = h->mvd_table[list];\n ref_cache[2 + 8 * 0] =\n ref_cache[2 + 8 * 2] = PART_NOT_AVAILABLE;\n AV_ZERO32(mv_cache[2 + 8 * 0]);\n AV_ZERO32(mv_cache[2 + 8 * 2]);\n if (CABAC) {\n if (USES_LIST(top_type, list)) {\n const int b_xy = h->mb2br_xy[top_xy];\n AV_COPY64(mvd_cache[0 - 1 * 8], mvd[b_xy + 0]);\n } else {\n AV_ZERO64(mvd_cache[0 - 1 * 8]);\n }\n if (USES_LIST(left_type[LTOP], list)) {\n const int b_xy = h->mb2br_xy[left_xy[LTOP]] + 6;\n AV_COPY16(mvd_cache[-1 + 0 * 8], mvd[b_xy - left_block[0]]);\n AV_COPY16(mvd_cache[-1 + 1 * 8], mvd[b_xy - left_block[1]]);\n } else {\n AV_ZERO16(mvd_cache[-1 + 0 * 8]);\n AV_ZERO16(mvd_cache[-1 + 1 * 8]);\n }\n if (USES_LIST(left_type[LBOT], list)) {\n const int b_xy = h->mb2br_xy[left_xy[LBOT]] + 6;\n AV_COPY16(mvd_cache[-1 + 2 * 8], mvd[b_xy - left_block[2]]);\n AV_COPY16(mvd_cache[-1 + 3 * 8], mvd[b_xy - left_block[3]]);\n } else {\n AV_ZERO16(mvd_cache[-1 + 2 * 8]);\n AV_ZERO16(mvd_cache[-1 + 3 * 8]);\n }\n AV_ZERO16(mvd_cache[2 + 8 * 0]);\n AV_ZERO16(mvd_cache[2 + 8 * 2]);\n if (h->slice_type_nos == AV_PICTURE_TYPE_B) {\n uint8_t *direct_cache = &h->direct_cache[scan8[0]];\n uint8_t *direct_table = h->direct_table;\n fill_rectangle(direct_cache, 4, 4, 8, MB_TYPE_16x16 >> 1, 1);\n if (IS_DIRECT(top_type)) {\n AV_WN32A(&direct_cache[-1 * 8],\n 0x01010101u * (MB_TYPE_DIRECT2 >> 1));\n } else if (IS_8X8(top_type)) {\n int b8_xy = 4 * top_xy;\n direct_cache[0 - 1 * 8] = direct_table[b8_xy + 2];\n direct_cache[2 - 1 * 8] = direct_table[b8_xy + 3];\n } else {\n AV_WN32A(&direct_cache[-1 * 8],\n 0x01010101 * (MB_TYPE_16x16 >> 1));\n }\n if (IS_DIRECT(left_type[LTOP]))\n direct_cache[-1 + 0 * 8] = MB_TYPE_DIRECT2 >> 1;\n else if (IS_8X8(left_type[LTOP]))\n direct_cache[-1 + 0 * 8] = direct_table[4 * left_xy[LTOP] + 1 + (left_block[0] & ~1)];\n else\n direct_cache[-1 + 0 * 8] = MB_TYPE_16x16 >> 1;\n if (IS_DIRECT(left_type[LBOT]))\n direct_cache[-1 + 2 * 8] = MB_TYPE_DIRECT2 >> 1;\n else if (IS_8X8(left_type[LBOT]))\n direct_cache[-1 + 2 * 8] = direct_table[4 * left_xy[LBOT] + 1 + (left_block[2] & ~1)];\n else\n direct_cache[-1 + 2 * 8] = MB_TYPE_16x16 >> 1;\n }\n }\n }\n#define MAP_MVS \\\n MAP_F2F(scan8[0] - 1 - 1 * 8, topleft_type) \\\n MAP_F2F(scan8[0] + 0 - 1 * 8, top_type) \\\n MAP_F2F(scan8[0] + 1 - 1 * 8, top_type) \\\n MAP_F2F(scan8[0] + 2 - 1 * 8, top_type) \\\n MAP_F2F(scan8[0] + 3 - 1 * 8, top_type) \\\n MAP_F2F(scan8[0] + 4 - 1 * 8, topright_type) \\\n MAP_F2F(scan8[0] - 1 + 0 * 8, left_type[LTOP]) \\\n MAP_F2F(scan8[0] - 1 + 1 * 8, left_type[LTOP]) \\\n MAP_F2F(scan8[0] - 1 + 2 * 8, left_type[LBOT]) \\\n MAP_F2F(scan8[0] - 1 + 3 * 8, left_type[LBOT])\n if (FRAME_MBAFF) {\n if (MB_FIELD) {\n#define MAP_F2F(idx, mb_type) \\\n if (!IS_INTERLACED(mb_type) && h->ref_cache[list][idx] >= 0) { \\\n h->ref_cache[list][idx] <<= 1; \\\n h->mv_cache[list][idx][1] /= 2; \\\n h->mvd_cache[list][idx][1] >>= 1; \\\n }\n MAP_MVS\n } else {\n#undef MAP_F2F\n#define MAP_F2F(idx, mb_type) \\\n if (IS_INTERLACED(mb_type) && h->ref_cache[list][idx] >= 0) { \\\n h->ref_cache[list][idx] >>= 1; \\\n h->mv_cache[list][idx][1] <<= 1; \\\n h->mvd_cache[list][idx][1] <<= 1; \\\n }\n MAP_MVS\n#undef MAP_F2F\n }\n }\n }\n }\n h->neighbor_transform_size = !!IS_8x8DCT(top_type) + !!IS_8x8DCT(left_type[LTOP]);\n}', 'static av_always_inline void decode_cabac_luma_residual( H264Context *h, const uint8_t *scan, const uint8_t *scan8x8, int pixel_shift, int mb_type, int cbp, int p )\n{\n static const uint8_t ctx_cat[4][3] = {{0,6,10},{1,7,11},{2,8,12},{5,9,13}};\n const uint32_t *qmul;\n int i8x8, i4x4;\n int qscale = p == 0 ? h->qscale : h->chroma_qp[p-1];\n if( IS_INTRA16x16( mb_type ) ) {\n AV_ZERO128(h->mb_luma_dc[p]+0);\n AV_ZERO128(h->mb_luma_dc[p]+8);\n AV_ZERO128(h->mb_luma_dc[p]+16);\n AV_ZERO128(h->mb_luma_dc[p]+24);\n decode_cabac_residual_dc(h, h->mb_luma_dc[p], ctx_cat[0][p], LUMA_DC_BLOCK_INDEX+p, scan, 16);\n if( cbp&15 ) {\n qmul = h->dequant4_coeff[p][qscale];\n for( i4x4 = 0; i4x4 < 16; i4x4++ ) {\n const int index = 16*p + i4x4;\n decode_cabac_residual_nondc(h, h->mb + (16*index << pixel_shift), ctx_cat[1][p], index, scan + 1, qmul, 15);\n }\n } else {\n fill_rectangle(&h->non_zero_count_cache[scan8[16*p]], 4, 4, 8, 0, 1);\n }\n } else {\n int cqm = (IS_INTRA( mb_type ) ? 0:3) + p;\n for( i8x8 = 0; i8x8 < 4; i8x8++ ) {\n if( cbp & (1<<i8x8) ) {\n if( IS_8x8DCT(mb_type) ) {\n const int index = 16*p + 4*i8x8;\n decode_cabac_residual_nondc(h, h->mb + (16*index << pixel_shift), ctx_cat[3][p], index,\n scan8x8, h->dequant8_coeff[cqm][qscale], 64);\n } else {\n qmul = h->dequant4_coeff[cqm][qscale];\n for( i4x4 = 0; i4x4 < 4; i4x4++ ) {\n const int index = 16*p + 4*i8x8 + i4x4;\n decode_cabac_residual_nondc(h, h->mb + (16*index << pixel_shift), ctx_cat[2][p], index, scan, qmul, 16);\n }\n }\n } else {\n fill_rectangle(&h->non_zero_count_cache[scan8[4*i8x8+16*p]], 2, 2, 8, 0, 1);\n }\n }\n }\n}', 'static av_always_inline void decode_cabac_residual_dc(H264Context *h,\n int16_t *block,\n int cat, int n,\n const uint8_t *scantable,\n int max_coeff)\n{\n if( get_cabac( &h->cabac, &h->cabac_state[get_cabac_cbf_ctx( h, cat, n, max_coeff, 1 ) ] ) == 0 ) {\n h->non_zero_count_cache[scan8[n]] = 0;\n return;\n }\n decode_cabac_residual_dc_internal( h, block, cat, n, scantable, max_coeff );\n}', 'static void decode_cabac_residual_dc_internal(H264Context *h, int16_t *block,\n int cat, int n,\n const uint8_t *scantable,\n int max_coeff)\n{\n decode_cabac_residual_internal(h, block, cat, n, scantable, NULL, max_coeff, 1, 0);\n}', 'static av_always_inline void\ndecode_cabac_residual_internal(H264Context *h, int16_t *block,\n int cat, int n, const uint8_t *scantable,\n const uint32_t *qmul, int max_coeff,\n int is_dc, int chroma422)\n{\n static const int significant_coeff_flag_offset[2][14] = {\n { 105+0, 105+15, 105+29, 105+44, 105+47, 402, 484+0, 484+15, 484+29, 660, 528+0, 528+15, 528+29, 718 },\n { 277+0, 277+15, 277+29, 277+44, 277+47, 436, 776+0, 776+15, 776+29, 675, 820+0, 820+15, 820+29, 733 }\n };\n static const int last_coeff_flag_offset[2][14] = {\n { 166+0, 166+15, 166+29, 166+44, 166+47, 417, 572+0, 572+15, 572+29, 690, 616+0, 616+15, 616+29, 748 },\n { 338+0, 338+15, 338+29, 338+44, 338+47, 451, 864+0, 864+15, 864+29, 699, 908+0, 908+15, 908+29, 757 }\n };\n static const int coeff_abs_level_m1_offset[14] = {\n 227+0, 227+10, 227+20, 227+30, 227+39, 426, 952+0, 952+10, 952+20, 708, 982+0, 982+10, 982+20, 766\n };\n static const uint8_t significant_coeff_flag_offset_8x8[2][63] = {\n { 0, 1, 2, 3, 4, 5, 5, 4, 4, 3, 3, 4, 4, 4, 5, 5,\n 4, 4, 4, 4, 3, 3, 6, 7, 7, 7, 8, 9,10, 9, 8, 7,\n 7, 6,11,12,13,11, 6, 7, 8, 9,14,10, 9, 8, 6,11,\n 12,13,11, 6, 9,14,10, 9,11,12,13,11,14,10,12 },\n { 0, 1, 1, 2, 2, 3, 3, 4, 5, 6, 7, 7, 7, 8, 4, 5,\n 6, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,11,12,11,\n 9, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,13,13, 9,\n 9,10,10, 8,13,13, 9, 9,10,10,14,14,14,14,14 }\n };\n static const uint8_t sig_coeff_offset_dc[7] = { 0, 0, 1, 1, 2, 2, 2 };\n static const uint8_t coeff_abs_level1_ctx[8] = { 1, 2, 3, 4, 0, 0, 0, 0 };\n static const uint8_t coeff_abs_levelgt1_ctx[2][8] = {\n { 5, 5, 5, 5, 6, 7, 8, 9 },\n { 5, 5, 5, 5, 6, 7, 8, 8 },\n };\n static const uint8_t coeff_abs_level_transition[2][8] = {\n { 1, 2, 3, 3, 4, 5, 6, 7 },\n { 4, 4, 4, 4, 5, 6, 7, 7 }\n };\n int index[64];\n int av_unused last;\n int coeff_count = 0;\n int node_ctx = 0;\n uint8_t *significant_coeff_ctx_base;\n uint8_t *last_coeff_ctx_base;\n uint8_t *abs_level_m1_ctx_base;\n#if !ARCH_X86\n#define CABAC_ON_STACK\n#endif\n#ifdef CABAC_ON_STACK\n#define CC &cc\n CABACContext cc;\n cc.range = h->cabac.range;\n cc.low = h->cabac.low;\n cc.bytestream= h->cabac.bytestream;\n cc.bytestream_end = h->cabac.bytestream_end;\n#else\n#define CC &h->cabac\n#endif\n significant_coeff_ctx_base = h->cabac_state\n + significant_coeff_flag_offset[MB_FIELD][cat];\n last_coeff_ctx_base = h->cabac_state\n + last_coeff_flag_offset[MB_FIELD][cat];\n abs_level_m1_ctx_base = h->cabac_state\n + coeff_abs_level_m1_offset[cat];\n if( !is_dc && max_coeff == 64 ) {\n#define DECODE_SIGNIFICANCE( coefs, sig_off, last_off ) \\\n for(last= 0; last < coefs; last++) { \\\n uint8_t *sig_ctx = significant_coeff_ctx_base + sig_off; \\\n if( get_cabac( CC, sig_ctx )) { \\\n uint8_t *last_ctx = last_coeff_ctx_base + last_off; \\\n index[coeff_count++] = last; \\\n if( get_cabac( CC, last_ctx ) ) { \\\n last= max_coeff; \\\n break; \\\n } \\\n } \\\n }\\\n if( last == max_coeff -1 ) {\\\n index[coeff_count++] = last;\\\n }\n const uint8_t *sig_off = significant_coeff_flag_offset_8x8[MB_FIELD];\n#ifdef decode_significance\n coeff_count = decode_significance_8x8(CC, significant_coeff_ctx_base, index,\n last_coeff_ctx_base, sig_off);\n } else {\n if (is_dc && chroma422) {\n DECODE_SIGNIFICANCE(7, sig_coeff_offset_dc[last], sig_coeff_offset_dc[last]);\n } else {\n coeff_count = decode_significance(CC, max_coeff, significant_coeff_ctx_base, index,\n last_coeff_ctx_base-significant_coeff_ctx_base);\n }\n#else\n DECODE_SIGNIFICANCE( 63, sig_off[last], ff_h264_last_coeff_flag_offset_8x8[last] );\n } else {\n if (is_dc && chroma422) {\n DECODE_SIGNIFICANCE(7, sig_coeff_offset_dc[last], sig_coeff_offset_dc[last]);\n } else {\n DECODE_SIGNIFICANCE(max_coeff - 1, last, last);\n }\n#endif\n }\n assert(coeff_count > 0);\n if( is_dc ) {\n if( cat == 3 )\n h->cbp_table[h->mb_xy] |= 0x40 << (n - CHROMA_DC_BLOCK_INDEX);\n else\n h->cbp_table[h->mb_xy] |= 0x100 << (n - LUMA_DC_BLOCK_INDEX);\n h->non_zero_count_cache[scan8[n]] = coeff_count;\n } else {\n if( max_coeff == 64 )\n fill_rectangle(&h->non_zero_count_cache[scan8[n]], 2, 2, 8, coeff_count, 1);\n else {\n assert( cat == 1 || cat == 2 || cat == 4 || cat == 7 || cat == 8 || cat == 11 || cat == 12 );\n h->non_zero_count_cache[scan8[n]] = coeff_count;\n }\n }\n#define STORE_BLOCK(type) \\\n do { \\\n uint8_t *ctx = coeff_abs_level1_ctx[node_ctx] + abs_level_m1_ctx_base; \\\n \\\n int j= scantable[index[--coeff_count]]; \\\n \\\n if( get_cabac( CC, ctx ) == 0 ) { \\\n node_ctx = coeff_abs_level_transition[0][node_ctx]; \\\n if( is_dc ) { \\\n ((type*)block)[j] = get_cabac_bypass_sign( CC, -1); \\\n }else{ \\\n ((type*)block)[j] = (get_cabac_bypass_sign( CC, -qmul[j]) + 32) >> 6; \\\n } \\\n } else { \\\n int coeff_abs = 2; \\\n ctx = coeff_abs_levelgt1_ctx[is_dc && chroma422][node_ctx] + abs_level_m1_ctx_base; \\\n node_ctx = coeff_abs_level_transition[1][node_ctx]; \\\n\\\n while( coeff_abs < 15 && get_cabac( CC, ctx ) ) { \\\n coeff_abs++; \\\n } \\\n\\\n if( coeff_abs >= 15 ) { \\\n int j = 0; \\\n while( get_cabac_bypass( CC ) ) { \\\n j++; \\\n } \\\n\\\n coeff_abs=1; \\\n while( j-- ) { \\\n coeff_abs += coeff_abs + get_cabac_bypass( CC ); \\\n } \\\n coeff_abs+= 14; \\\n } \\\n\\\n if( is_dc ) { \\\n ((type*)block)[j] = get_cabac_bypass_sign( CC, -coeff_abs ); \\\n }else{ \\\n ((type*)block)[j] = ((int)(get_cabac_bypass_sign( CC, -coeff_abs ) * qmul[j] + 32)) >> 6; \\\n } \\\n } \\\n } while ( coeff_count );\n if (h->pixel_shift) {\n STORE_BLOCK(int32_t)\n } else {\n STORE_BLOCK(int16_t)\n }\n#ifdef CABAC_ON_STACK\n h->cabac.range = cc.range ;\n h->cabac.low = cc.low ;\n h->cabac.bytestream= cc.bytestream;\n#endif\n}'] |
11,732 | 0 | https://github.com/libav/libav/blob/edbb0c07081e78a4c7b6d999d641183bf30f1a2e/libavformat/utils.c/#L2589 | void avformat_free_context(AVFormatContext *s)
{
int i;
AVStream *st;
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_metadata_free(&st->metadata);
av_free(st->index_entries);
av_free(st->codec->extradata);
av_free(st->codec->subtitle_header);
av_free(st->codec);
#if FF_API_OLD_METADATA
av_free(st->filename);
#endif
av_free(st->priv_data);
av_free(st->info);
av_free(st);
}
for(i=s->nb_programs-1; i>=0; i--) {
#if FF_API_OLD_METADATA
av_freep(&s->programs[i]->provider_name);
av_freep(&s->programs[i]->name);
#endif
av_metadata_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--) {
#if FF_API_OLD_METADATA
av_free(s->chapters[s->nb_chapters]->title);
#endif
av_metadata_free(&s->chapters[s->nb_chapters]->metadata);
av_free(s->chapters[s->nb_chapters]);
}
av_freep(&s->chapters);
av_metadata_free(&s->metadata);
av_freep(&s->key);
av_free(s);
} | ['static int http_receive_data(HTTPContext *c)\n{\n HTTPContext *c1;\n int len, loop_run = 0;\n while (c->chunked_encoding && !c->chunk_size &&\n c->buffer_end > c->buffer_ptr) {\n len = recv(c->fd, c->buffer_ptr, 1, 0);\n if (len < 0) {\n if (ff_neterrno() != FF_NETERROR(EAGAIN) &&\n ff_neterrno() != FF_NETERROR(EINTR))\n goto fail;\n return 0;\n } else if (len == 0) {\n goto fail;\n } else if (c->buffer_ptr - c->buffer >= 2 &&\n !memcmp(c->buffer_ptr - 1, "\\r\\n", 2)) {\n c->chunk_size = strtol(c->buffer, 0, 16);\n if (c->chunk_size == 0)\n goto fail;\n c->buffer_ptr = c->buffer;\n break;\n } else if (++loop_run > 10) {\n goto fail;\n } else {\n c->buffer_ptr++;\n }\n }\n if (c->buffer_end > c->buffer_ptr) {\n len = recv(c->fd, c->buffer_ptr,\n FFMIN(c->chunk_size, c->buffer_end - c->buffer_ptr), 0);\n if (len < 0) {\n if (ff_neterrno() != FF_NETERROR(EAGAIN) &&\n ff_neterrno() != FF_NETERROR(EINTR))\n goto fail;\n } else if (len == 0)\n goto fail;\n else {\n c->chunk_size -= len;\n c->buffer_ptr += len;\n c->data_count += len;\n update_datarate(&c->datarate, c->data_count);\n }\n }\n if (c->buffer_ptr - c->buffer >= 2 && c->data_count > FFM_PACKET_SIZE) {\n if (c->buffer[0] != \'f\' ||\n c->buffer[1] != \'m\') {\n http_log("Feed stream has become desynchronized -- disconnecting\\n");\n goto fail;\n }\n }\n if (c->buffer_ptr >= c->buffer_end) {\n FFStream *feed = c->stream;\n if (c->data_count > FFM_PACKET_SIZE) {\n lseek(c->feed_fd, feed->feed_write_index, SEEK_SET);\n if (write(c->feed_fd, c->buffer, FFM_PACKET_SIZE) < 0) {\n http_log("Error writing to feed file: %s\\n", strerror(errno));\n goto fail;\n }\n feed->feed_write_index += FFM_PACKET_SIZE;\n if (feed->feed_write_index > c->stream->feed_size)\n feed->feed_size = feed->feed_write_index;\n if (c->stream->feed_max_size && feed->feed_write_index >= c->stream->feed_max_size)\n feed->feed_write_index = FFM_PACKET_SIZE;\n if (ffm_write_write_index(c->feed_fd, feed->feed_write_index) < 0) {\n http_log("Error writing index to feed file: %s\\n", strerror(errno));\n goto fail;\n }\n for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {\n if (c1->state == HTTPSTATE_WAIT_FEED &&\n c1->stream->feed == c->stream->feed)\n c1->state = HTTPSTATE_SEND_DATA;\n }\n } else {\n AVFormatContext *s = NULL;\n ByteIOContext *pb;\n AVInputFormat *fmt_in;\n int i;\n fmt_in = av_find_input_format(feed->fmt->name);\n if (!fmt_in)\n goto fail;\n url_open_buf(&pb, c->buffer, c->buffer_end - c->buffer, URL_RDONLY);\n pb->is_streamed = 1;\n if (av_open_input_stream(&s, pb, c->stream->feed_filename, fmt_in, NULL) < 0) {\n av_free(pb);\n goto fail;\n }\n if (s->nb_streams != feed->nb_streams) {\n av_close_input_stream(s);\n av_free(pb);\n http_log("Feed \'%s\' stream number does not match registered feed\\n",\n c->stream->feed_filename);\n goto fail;\n }\n for (i = 0; i < s->nb_streams; i++) {\n AVStream *fst = feed->streams[i];\n AVStream *st = s->streams[i];\n avcodec_copy_context(fst->codec, st->codec);\n }\n av_close_input_stream(s);\n av_free(pb);\n }\n c->buffer_ptr = c->buffer;\n }\n return 0;\n fail:\n c->stream->feed_opened = 0;\n close(c->feed_fd);\n for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {\n if (c1->state == HTTPSTATE_WAIT_FEED &&\n c1->stream->feed == c->stream->feed)\n c1->state = HTTPSTATE_SEND_DATA_TRAILER;\n }\n return -1;\n}', 'int avcodec_copy_context(AVCodecContext *dest, const AVCodecContext *src)\n{\n if (dest->codec) {\n av_log(dest, AV_LOG_ERROR,\n "Tried to copy AVCodecContext %p into already-initialized %p\\n",\n src, dest);\n return AVERROR(EINVAL);\n }\n memcpy(dest, src, sizeof(*dest));\n dest->priv_data = NULL;\n dest->codec = NULL;\n dest->palctrl = NULL;\n dest->slice_offset = NULL;\n dest->internal_buffer = NULL;\n dest->hwaccel = NULL;\n dest->thread_opaque = NULL;\n dest->rc_eq = NULL;\n dest->extradata = NULL;\n dest->intra_matrix = NULL;\n dest->inter_matrix = NULL;\n dest->rc_override = NULL;\n if (src->rc_eq) {\n dest->rc_eq = av_strdup(src->rc_eq);\n if (!dest->rc_eq)\n return AVERROR(ENOMEM);\n }\n#define alloc_and_copy_or_fail(obj, size, pad) \\\n if (src->obj && size > 0) { \\\n dest->obj = av_malloc(size + pad); \\\n if (!dest->obj) \\\n goto fail; \\\n memcpy(dest->obj, src->obj, size); \\\n if (pad) \\\n memset(((uint8_t *) dest->obj) + size, 0, pad); \\\n }\n alloc_and_copy_or_fail(extradata, src->extradata_size,\n FF_INPUT_BUFFER_PADDING_SIZE);\n alloc_and_copy_or_fail(intra_matrix, 64 * sizeof(int16_t), 0);\n alloc_and_copy_or_fail(inter_matrix, 64 * sizeof(int16_t), 0);\n alloc_and_copy_or_fail(rc_override, src->rc_override_count * sizeof(*src->rc_override), 0);\n#undef alloc_and_copy_or_fail\n return 0;\nfail:\n av_freep(&dest->rc_override);\n av_freep(&dest->intra_matrix);\n av_freep(&dest->inter_matrix);\n av_freep(&dest->extradata);\n av_freep(&dest->rc_eq);\n return AVERROR(ENOMEM);\n}', 'void av_close_input_stream(AVFormatContext *s)\n{\n flush_packet_queue(s);\n if (s->iformat->read_close)\n s->iformat->read_close(s);\n avformat_free_context(s);\n}', 'void avformat_free_context(AVFormatContext *s)\n{\n int i;\n AVStream *st;\n for(i=0;i<s->nb_streams;i++) {\n st = s->streams[i];\n if (st->parser) {\n av_parser_close(st->parser);\n av_free_packet(&st->cur_pkt);\n }\n av_metadata_free(&st->metadata);\n av_free(st->index_entries);\n av_free(st->codec->extradata);\n av_free(st->codec->subtitle_header);\n av_free(st->codec);\n#if FF_API_OLD_METADATA\n av_free(st->filename);\n#endif\n av_free(st->priv_data);\n av_free(st->info);\n av_free(st);\n }\n for(i=s->nb_programs-1; i>=0; i--) {\n#if FF_API_OLD_METADATA\n av_freep(&s->programs[i]->provider_name);\n av_freep(&s->programs[i]->name);\n#endif\n av_metadata_free(&s->programs[i]->metadata);\n av_freep(&s->programs[i]->stream_index);\n av_freep(&s->programs[i]);\n }\n av_freep(&s->programs);\n av_freep(&s->priv_data);\n while(s->nb_chapters--) {\n#if FF_API_OLD_METADATA\n av_free(s->chapters[s->nb_chapters]->title);\n#endif\n av_metadata_free(&s->chapters[s->nb_chapters]->metadata);\n av_free(s->chapters[s->nb_chapters]);\n }\n av_freep(&s->chapters);\n av_metadata_free(&s->metadata);\n av_freep(&s->key);\n av_free(s);\n}'] |
11,733 | 0 | https://github.com/nginx/nginx/blob/ea327f13f130be87cf3023e215d1c97b5465343f/src/http/ngx_http_request.c/#L3274 | static ngx_int_t
ngx_http_post_action(ngx_http_request_t *r)
{
ngx_http_core_loc_conf_t *clcf;
clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
if (clcf->post_action.data == NULL) {
return NGX_DECLINED;
}
if (r->post_action && r->uri_changes == 0) {
return NGX_DECLINED;
}
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
"post action: \"%V\"", &clcf->post_action);
r->main->count--;
r->http_version = NGX_HTTP_VERSION_9;
r->header_only = 1;
r->post_action = 1;
r->read_event_handler = ngx_http_block_reading;
if (clcf->post_action.data[0] == '/') {
ngx_http_internal_redirect(r, &clcf->post_action, NULL);
} else {
ngx_http_named_location(r, &clcf->post_action);
}
return NGX_OK;
} | ['ngx_int_t\nngx_http_process_request_header(ngx_http_request_t *r)\n{\n if (r->headers_in.server.len == 0\n && ngx_http_set_virtual_server(r, &r->headers_in.server)\n == NGX_ERROR)\n {\n return NGX_ERROR;\n }\n if (r->headers_in.host == NULL && r->http_version > NGX_HTTP_VERSION_10) {\n ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,\n "client sent HTTP/1.1 request without \\"Host\\" header");\n ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);\n return NGX_ERROR;\n }\n if (r->headers_in.content_length) {\n r->headers_in.content_length_n =\n ngx_atoof(r->headers_in.content_length->value.data,\n r->headers_in.content_length->value.len);\n if (r->headers_in.content_length_n == NGX_ERROR) {\n ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,\n "client sent invalid \\"Content-Length\\" header");\n ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);\n return NGX_ERROR;\n }\n }\n if (r->method & NGX_HTTP_TRACE) {\n ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,\n "client sent TRACE method");\n ngx_http_finalize_request(r, NGX_HTTP_NOT_ALLOWED);\n return NGX_ERROR;\n }\n if (r->headers_in.transfer_encoding) {\n if (r->headers_in.transfer_encoding->value.len == 7\n && ngx_strncasecmp(r->headers_in.transfer_encoding->value.data,\n (u_char *) "chunked", 7) == 0)\n {\n r->headers_in.content_length = NULL;\n r->headers_in.content_length_n = -1;\n r->headers_in.chunked = 1;\n } else if (r->headers_in.transfer_encoding->value.len != 8\n || ngx_strncasecmp(r->headers_in.transfer_encoding->value.data,\n (u_char *) "identity", 8) != 0)\n {\n ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,\n "client sent unknown \\"Transfer-Encoding\\": \\"%V\\"",\n &r->headers_in.transfer_encoding->value);\n ngx_http_finalize_request(r, NGX_HTTP_NOT_IMPLEMENTED);\n return NGX_ERROR;\n }\n }\n if (r->headers_in.connection_type == NGX_HTTP_CONNECTION_KEEP_ALIVE) {\n if (r->headers_in.keep_alive) {\n r->headers_in.keep_alive_n =\n ngx_atotm(r->headers_in.keep_alive->value.data,\n r->headers_in.keep_alive->value.len);\n }\n }\n return NGX_OK;\n}', 'void\nngx_http_finalize_request(ngx_http_request_t *r, ngx_int_t rc)\n{\n ngx_connection_t *c;\n ngx_http_request_t *pr;\n ngx_http_core_loc_conf_t *clcf;\n c = r->connection;\n ngx_log_debug5(NGX_LOG_DEBUG_HTTP, c->log, 0,\n "http finalize request: %d, \\"%V?%V\\" a:%d, c:%d",\n rc, &r->uri, &r->args, r == c->data, r->main->count);\n if (rc == NGX_DONE) {\n ngx_http_finalize_connection(r);\n return;\n }\n if (rc == NGX_OK && r->filter_finalize) {\n c->error = 1;\n }\n if (rc == NGX_DECLINED) {\n r->content_handler = NULL;\n r->write_event_handler = ngx_http_core_run_phases;\n ngx_http_core_run_phases(r);\n return;\n }\n if (r != r->main && r->post_subrequest) {\n rc = r->post_subrequest->handler(r, r->post_subrequest->data, rc);\n }\n if (rc == NGX_ERROR\n || rc == NGX_HTTP_REQUEST_TIME_OUT\n || rc == NGX_HTTP_CLIENT_CLOSED_REQUEST\n || c->error)\n {\n if (ngx_http_post_action(r) == NGX_OK) {\n return;\n }\n if (r->main->blocked) {\n r->write_event_handler = ngx_http_request_finalizer;\n }\n ngx_http_terminate_request(r, rc);\n return;\n }\n if (rc >= NGX_HTTP_SPECIAL_RESPONSE\n || rc == NGX_HTTP_CREATED\n || rc == NGX_HTTP_NO_CONTENT)\n {\n if (rc == NGX_HTTP_CLOSE) {\n ngx_http_terminate_request(r, rc);\n return;\n }\n if (r == r->main) {\n if (c->read->timer_set) {\n ngx_del_timer(c->read);\n }\n if (c->write->timer_set) {\n ngx_del_timer(c->write);\n }\n }\n c->read->handler = ngx_http_request_handler;\n c->write->handler = ngx_http_request_handler;\n ngx_http_finalize_request(r, ngx_http_special_response_handler(r, rc));\n return;\n }\n if (r != r->main) {\n if (r->buffered || r->postponed) {\n if (ngx_http_set_write_handler(r) != NGX_OK) {\n ngx_http_terminate_request(r, 0);\n }\n return;\n }\n pr = r->parent;\n if (r == c->data) {\n r->main->count--;\n r->main->subrequests++;\n if (!r->logged) {\n clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);\n if (clcf->log_subrequest) {\n ngx_http_log_request(r);\n }\n r->logged = 1;\n } else {\n ngx_log_error(NGX_LOG_ALERT, c->log, 0,\n "subrequest: \\"%V?%V\\" logged again",\n &r->uri, &r->args);\n }\n r->done = 1;\n if (pr->postponed && pr->postponed->request == r) {\n pr->postponed = pr->postponed->next;\n }\n c->data = pr;\n } else {\n ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,\n "http finalize non-active request: \\"%V?%V\\"",\n &r->uri, &r->args);\n r->write_event_handler = ngx_http_request_finalizer;\n if (r->waited) {\n r->done = 1;\n }\n }\n if (ngx_http_post_request(pr, NULL) != NGX_OK) {\n r->main->count++;\n ngx_http_terminate_request(r, 0);\n return;\n }\n ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,\n "http wake parent request: \\"%V?%V\\"",\n &pr->uri, &pr->args);\n return;\n }\n if (r->buffered || c->buffered || r->postponed || r->blocked) {\n if (ngx_http_set_write_handler(r) != NGX_OK) {\n ngx_http_terminate_request(r, 0);\n }\n return;\n }\n if (r != c->data) {\n ngx_log_error(NGX_LOG_ALERT, c->log, 0,\n "http finalize non-active request: \\"%V?%V\\"",\n &r->uri, &r->args);\n return;\n }\n r->done = 1;\n r->write_event_handler = ngx_http_request_empty_handler;\n if (!r->post_action) {\n r->request_complete = 1;\n }\n if (ngx_http_post_action(r) == NGX_OK) {\n return;\n }\n if (c->read->timer_set) {\n ngx_del_timer(c->read);\n }\n if (c->write->timer_set) {\n c->write->delayed = 0;\n ngx_del_timer(c->write);\n }\n if (c->read->eof) {\n ngx_http_close_request(r, 0);\n return;\n }\n ngx_http_finalize_connection(r);\n}', 'static ngx_int_t\nngx_http_post_action(ngx_http_request_t *r)\n{\n ngx_http_core_loc_conf_t *clcf;\n clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);\n if (clcf->post_action.data == NULL) {\n return NGX_DECLINED;\n }\n if (r->post_action && r->uri_changes == 0) {\n return NGX_DECLINED;\n }\n ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,\n "post action: \\"%V\\"", &clcf->post_action);\n r->main->count--;\n r->http_version = NGX_HTTP_VERSION_9;\n r->header_only = 1;\n r->post_action = 1;\n r->read_event_handler = ngx_http_block_reading;\n if (clcf->post_action.data[0] == \'/\') {\n ngx_http_internal_redirect(r, &clcf->post_action, NULL);\n } else {\n ngx_http_named_location(r, &clcf->post_action);\n }\n return NGX_OK;\n}'] |
11,734 | 0 | https://github.com/openssl/openssl/blob/5c98b2caf5ce545fbf77611431c7084979da8177/crypto/bn/bn_ctx.c/#L353 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | ['int\tBN_GF2m_mod_exp_arr(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const unsigned int p[], BN_CTX *ctx)\n\t{\n\tint ret = 0, i, n;\n\tBIGNUM *u;\n\tbn_check_top(a);\n\tbn_check_top(b);\n\tif (BN_is_zero(b))\n\t\treturn(BN_one(r));\n\tif (BN_abs_is_word(b, 1))\n\t\treturn (BN_copy(r, a) != NULL);\n\tBN_CTX_start(ctx);\n\tif ((u = BN_CTX_get(ctx)) == NULL) goto err;\n\tif (!BN_GF2m_mod_arr(u, a, p)) goto err;\n\tn = BN_num_bits(b) - 1;\n\tfor (i = n - 1; i >= 0; i--)\n\t\t{\n\t\tif (!BN_GF2m_mod_sqr_arr(u, u, p, ctx)) goto err;\n\t\tif (BN_is_bit_set(b, i))\n\t\t\t{\n\t\t\tif (!BN_GF2m_mod_mul_arr(u, u, a, p, ctx)) goto err;\n\t\t\t}\n\t\t}\n\tif (!BN_copy(r, u)) goto err;\n\tbn_check_top(r);\n\tret = 1;\nerr:\n\tBN_CTX_end(ctx);\n\treturn ret;\n\t}', 'void BN_CTX_start(BN_CTX *ctx)\n\t{\n\tCTXDBG_ENTRY("BN_CTX_start", ctx);\n\tif(ctx->err_stack || ctx->too_many)\n\t\tctx->err_stack++;\n\telse if(!BN_STACK_push(&ctx->stack, ctx->used))\n\t\t{\n\t\tBNerr(BN_F_BN_CTX_GET,BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n\t\tctx->err_stack++;\n\t\t}\n\tCTXDBG_EXIT(ctx);\n\t}', 'int\tBN_GF2m_mod_sqr_arr(BIGNUM *r, const BIGNUM *a, const unsigned int p[], BN_CTX *ctx)\n\t{\n\tint i, ret = 0;\n\tBIGNUM *s;\n\tbn_check_top(a);\n\tBN_CTX_start(ctx);\n\tif ((s = BN_CTX_get(ctx)) == NULL) return 0;\n\tif (!bn_wexpand(s, 2 * a->top)) goto err;\n\tfor (i = a->top - 1; i >= 0; i--)\n\t\t{\n\t\ts->d[2*i+1] = SQR1(a->d[i]);\n\t\ts->d[2*i ] = SQR0(a->d[i]);\n\t\t}\n\ts->top = 2 * a->top;\n\tbn_correct_top(s);\n\tif (!BN_GF2m_mod_arr(r, s, p)) goto err;\n\tbn_check_top(r);\n\tret = 1;\nerr:\n\tBN_CTX_end(ctx);\n\treturn ret;\n\t}', 'int\tBN_GF2m_mod_mul_arr(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const unsigned int p[], BN_CTX *ctx)\n\t{\n\tint zlen, i, j, k, ret = 0;\n\tBIGNUM *s;\n\tBN_ULONG x1, x0, y1, y0, zz[4];\n\tbn_check_top(a);\n\tbn_check_top(b);\n\tif (a == b)\n\t\t{\n\t\treturn BN_GF2m_mod_sqr_arr(r, a, p, ctx);\n\t\t}\n\tBN_CTX_start(ctx);\n\tif ((s = BN_CTX_get(ctx)) == NULL) goto err;\n\tzlen = a->top + b->top + 4;\n\tif (!bn_wexpand(s, zlen)) goto err;\n\ts->top = zlen;\n\tfor (i = 0; i < zlen; i++) s->d[i] = 0;\n\tfor (j = 0; j < b->top; j += 2)\n\t\t{\n\t\ty0 = b->d[j];\n\t\ty1 = ((j+1) == b->top) ? 0 : b->d[j+1];\n\t\tfor (i = 0; i < a->top; i += 2)\n\t\t\t{\n\t\t\tx0 = a->d[i];\n\t\t\tx1 = ((i+1) == a->top) ? 0 : a->d[i+1];\n\t\t\tbn_GF2m_mul_2x2(zz, x1, x0, y1, y0);\n\t\t\tfor (k = 0; k < 4; k++) s->d[i+j+k] ^= zz[k];\n\t\t\t}\n\t\t}\n\tbn_correct_top(s);\n\tif (BN_GF2m_mod_arr(r, s, p))\n\t\tret = 1;\n\tbn_check_top(r);\nerr:\n\tBN_CTX_end(ctx);\n\treturn ret;\n\t}', 'void BN_CTX_end(BN_CTX *ctx)\n\t{\n\tCTXDBG_ENTRY("BN_CTX_end", ctx);\n\tif(ctx->err_stack)\n\t\tctx->err_stack--;\n\telse\n\t\t{\n\t\tunsigned int fp = BN_STACK_pop(&ctx->stack);\n\t\tif(fp < ctx->used)\n\t\t\tBN_POOL_release(&ctx->pool, ctx->used - fp);\n\t\tctx->used = fp;\n\t\tctx->too_many = 0;\n\t\t}\n\tCTXDBG_EXIT(ctx);\n\t}', 'static unsigned int BN_STACK_pop(BN_STACK *st)\n\t{\n\treturn st->indexes[--(st->depth)];\n\t}'] |
11,735 | 0 | https://github.com/openssl/openssl/blob/9b02dc97e4963969da69675a871dbe80e6d31cda/crypto/bn/bn_sqr.c/#L114 | void bn_sqr_normal(BN_ULONG *r, const BN_ULONG *a, int n, BN_ULONG *tmp)
{
int i, j, max;
const BN_ULONG *ap;
BN_ULONG *rp;
max = n * 2;
ap = a;
rp = r;
rp[0] = rp[max - 1] = 0;
rp++;
j = n;
if (--j > 0) {
ap++;
rp[j] = bn_mul_words(rp, ap, j, ap[-1]);
rp += 2;
}
for (i = n - 2; i > 0; i--) {
j--;
ap++;
rp[j] = bn_mul_add_words(rp, ap, j, ap[-1]);
rp += 2;
}
bn_add_words(r, r, r, max);
bn_sqr_words(tmp, a, n);
bn_add_words(r, r, tmp, max);
} | ['int ec_GF2m_simple_oct2point(const EC_GROUP *group, EC_POINT *point,\n const unsigned char *buf, size_t len,\n BN_CTX *ctx)\n{\n point_conversion_form_t form;\n int y_bit;\n BN_CTX *new_ctx = NULL;\n BIGNUM *x, *y, *yxi;\n size_t field_len, enc_len;\n int ret = 0;\n if (len == 0) {\n ECerr(EC_F_EC_GF2M_SIMPLE_OCT2POINT, EC_R_BUFFER_TOO_SMALL);\n return 0;\n }\n form = buf[0];\n y_bit = form & 1;\n form = form & ~1U;\n if ((form != 0) && (form != POINT_CONVERSION_COMPRESSED)\n && (form != POINT_CONVERSION_UNCOMPRESSED)\n && (form != POINT_CONVERSION_HYBRID)) {\n ECerr(EC_F_EC_GF2M_SIMPLE_OCT2POINT, EC_R_INVALID_ENCODING);\n return 0;\n }\n if ((form == 0 || form == POINT_CONVERSION_UNCOMPRESSED) && y_bit) {\n ECerr(EC_F_EC_GF2M_SIMPLE_OCT2POINT, EC_R_INVALID_ENCODING);\n return 0;\n }\n if (form == 0) {\n if (len != 1) {\n ECerr(EC_F_EC_GF2M_SIMPLE_OCT2POINT, EC_R_INVALID_ENCODING);\n return 0;\n }\n return EC_POINT_set_to_infinity(group, point);\n }\n field_len = (EC_GROUP_get_degree(group) + 7) / 8;\n enc_len =\n (form ==\n POINT_CONVERSION_COMPRESSED) ? 1 + field_len : 1 + 2 * field_len;\n if (len != enc_len) {\n ECerr(EC_F_EC_GF2M_SIMPLE_OCT2POINT, EC_R_INVALID_ENCODING);\n return 0;\n }\n if (ctx == NULL) {\n ctx = new_ctx = BN_CTX_new();\n if (ctx == NULL)\n return 0;\n }\n BN_CTX_start(ctx);\n x = BN_CTX_get(ctx);\n y = BN_CTX_get(ctx);\n yxi = BN_CTX_get(ctx);\n if (yxi == NULL)\n goto err;\n if (!BN_bin2bn(buf + 1, field_len, x))\n goto err;\n if (BN_ucmp(x, group->field) >= 0) {\n ECerr(EC_F_EC_GF2M_SIMPLE_OCT2POINT, EC_R_INVALID_ENCODING);\n goto err;\n }\n if (form == POINT_CONVERSION_COMPRESSED) {\n if (!EC_POINT_set_compressed_coordinates_GF2m\n (group, point, x, y_bit, ctx))\n goto err;\n } else {\n if (!BN_bin2bn(buf + 1 + field_len, field_len, y))\n goto err;\n if (BN_ucmp(y, group->field) >= 0) {\n ECerr(EC_F_EC_GF2M_SIMPLE_OCT2POINT, EC_R_INVALID_ENCODING);\n goto err;\n }\n if (form == POINT_CONVERSION_HYBRID) {\n if (!group->meth->field_div(group, yxi, y, x, ctx))\n goto err;\n if (y_bit != BN_is_odd(yxi)) {\n ECerr(EC_F_EC_GF2M_SIMPLE_OCT2POINT, EC_R_INVALID_ENCODING);\n goto err;\n }\n }\n if (!EC_POINT_set_affine_coordinates_GF2m(group, point, x, y, ctx))\n goto err;\n }\n ret = 1;\n err:\n BN_CTX_end(ctx);\n BN_CTX_free(new_ctx);\n return ret;\n}', 'BIGNUM *BN_bin2bn(const unsigned char *s, int len, BIGNUM *ret)\n{\n unsigned int i, m;\n unsigned int n;\n BN_ULONG l;\n BIGNUM *bn = NULL;\n if (ret == NULL)\n ret = bn = BN_new();\n if (ret == NULL)\n return NULL;\n bn_check_top(ret);\n for ( ; len > 0 && *s == 0; s++, len--)\n continue;\n n = len;\n if (n == 0) {\n ret->top = 0;\n return ret;\n }\n i = ((n - 1) / BN_BYTES) + 1;\n m = ((n - 1) % (BN_BYTES));\n if (bn_wexpand(ret, (int)i) == NULL) {\n BN_free(bn);\n return NULL;\n }\n ret->top = i;\n ret->neg = 0;\n l = 0;\n while (n--) {\n l = (l << 8L) | *(s++);\n if (m-- == 0) {\n ret->d[--i] = l;\n l = 0;\n m = BN_BYTES - 1;\n }\n }\n bn_correct_top(ret);\n return ret;\n}', 'int EC_POINT_set_compressed_coordinates_GF2m(const EC_GROUP *group,\n EC_POINT *point, const BIGNUM *x,\n int y_bit, BN_CTX *ctx)\n{\n if (group->meth->point_set_compressed_coordinates == 0\n && !(group->meth->flags & EC_FLAGS_DEFAULT_OCT)) {\n ECerr(EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GF2M,\n ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);\n return 0;\n }\n if (group->meth != point->meth) {\n ECerr(EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GF2M,\n EC_R_INCOMPATIBLE_OBJECTS);\n return 0;\n }\n if (group->meth->flags & EC_FLAGS_DEFAULT_OCT) {\n if (group->meth->field_type == NID_X9_62_prime_field)\n return ec_GFp_simple_set_compressed_coordinates(group, point, x,\n y_bit, ctx);\n else\n return ec_GF2m_simple_set_compressed_coordinates(group, point, x,\n y_bit, ctx);\n }\n return group->meth->point_set_compressed_coordinates(group, point, x,\n y_bit, ctx);\n}', 'int ec_GFp_simple_set_compressed_coordinates(const EC_GROUP *group,\n EC_POINT *point,\n const BIGNUM *x_, int y_bit,\n BN_CTX *ctx)\n{\n BN_CTX *new_ctx = NULL;\n BIGNUM *tmp1, *tmp2, *x, *y;\n int ret = 0;\n ERR_clear_error();\n if (ctx == NULL) {\n ctx = new_ctx = BN_CTX_new();\n if (ctx == NULL)\n return 0;\n }\n y_bit = (y_bit != 0);\n BN_CTX_start(ctx);\n tmp1 = BN_CTX_get(ctx);\n tmp2 = BN_CTX_get(ctx);\n x = BN_CTX_get(ctx);\n y = BN_CTX_get(ctx);\n if (y == NULL)\n goto err;\n if (!BN_nnmod(x, x_, group->field, ctx))\n goto err;\n if (group->meth->field_decode == 0) {\n if (!group->meth->field_sqr(group, tmp2, x_, ctx))\n goto err;\n if (!group->meth->field_mul(group, tmp1, tmp2, x_, ctx))\n goto err;\n } else {\n if (!BN_mod_sqr(tmp2, x_, group->field, ctx))\n goto err;\n if (!BN_mod_mul(tmp1, tmp2, x_, group->field, ctx))\n goto err;\n }\n if (group->a_is_minus3) {\n if (!BN_mod_lshift1_quick(tmp2, x, group->field))\n goto err;\n if (!BN_mod_add_quick(tmp2, tmp2, x, group->field))\n goto err;\n if (!BN_mod_sub_quick(tmp1, tmp1, tmp2, group->field))\n goto err;\n } else {\n if (group->meth->field_decode) {\n if (!group->meth->field_decode(group, tmp2, group->a, ctx))\n goto err;\n if (!BN_mod_mul(tmp2, tmp2, x, group->field, ctx))\n goto err;\n } else {\n if (!group->meth->field_mul(group, tmp2, group->a, x, ctx))\n goto err;\n }\n if (!BN_mod_add_quick(tmp1, tmp1, tmp2, group->field))\n goto err;\n }\n if (group->meth->field_decode) {\n if (!group->meth->field_decode(group, tmp2, group->b, ctx))\n goto err;\n if (!BN_mod_add_quick(tmp1, tmp1, tmp2, group->field))\n goto err;\n } else {\n if (!BN_mod_add_quick(tmp1, tmp1, group->b, group->field))\n goto err;\n }\n if (!BN_mod_sqrt(y, tmp1, group->field, ctx)) {\n unsigned long err = ERR_peek_last_error();\n if (ERR_GET_LIB(err) == ERR_LIB_BN\n && ERR_GET_REASON(err) == BN_R_NOT_A_SQUARE) {\n ERR_clear_error();\n ECerr(EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES,\n EC_R_INVALID_COMPRESSED_POINT);\n } else\n ECerr(EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES,\n ERR_R_BN_LIB);\n goto err;\n }\n if (y_bit != BN_is_odd(y)) {\n if (BN_is_zero(y)) {\n int kron;\n kron = BN_kronecker(x, group->field, ctx);\n if (kron == -2)\n goto err;\n if (kron == 1)\n ECerr(EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES,\n EC_R_INVALID_COMPRESSION_BIT);\n else\n ECerr(EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES,\n EC_R_INVALID_COMPRESSED_POINT);\n goto err;\n }\n if (!BN_usub(y, group->field, y))\n goto err;\n }\n if (y_bit != BN_is_odd(y)) {\n ECerr(EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES,\n ERR_R_INTERNAL_ERROR);\n goto err;\n }\n if (!EC_POINT_set_affine_coordinates_GFp(group, point, x, y, ctx))\n goto err;\n ret = 1;\n err:\n BN_CTX_end(ctx);\n BN_CTX_free(new_ctx);\n return ret;\n}', 'BIGNUM *BN_CTX_get(BN_CTX *ctx)\n{\n BIGNUM *ret;\n CTXDBG_ENTRY("BN_CTX_get", ctx);\n if (ctx->err_stack || ctx->too_many)\n return NULL;\n if ((ret = BN_POOL_get(&ctx->pool, ctx->flags)) == NULL) {\n ctx->too_many = 1;\n BNerr(BN_F_BN_CTX_GET, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n return NULL;\n }\n BN_zero(ret);\n ctx->used++;\n CTXDBG_RET(ctx, ret);\n return ret;\n}', 'int BN_set_word(BIGNUM *a, BN_ULONG w)\n{\n bn_check_top(a);\n if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)\n return 0;\n a->neg = 0;\n a->d[0] = w;\n a->top = (w ? 1 : 0);\n bn_check_top(a);\n return 1;\n}', 'static ossl_inline BIGNUM *bn_expand(BIGNUM *a, int bits)\n{\n if (bits > (INT_MAX - BN_BITS2 + 1))\n return NULL;\n if (((bits+BN_BITS2-1)/BN_BITS2) <= (a)->dmax)\n return a;\n return bn_expand2((a),(bits+BN_BITS2-1)/BN_BITS2);\n}', 'int BN_mod_sqr(BIGNUM *r, const BIGNUM *a, const BIGNUM *m, BN_CTX *ctx)\n{\n if (!BN_sqr(r, a, ctx))\n return 0;\n return BN_mod(r, r, m, ctx);\n}', 'int BN_sqr(BIGNUM *r, const BIGNUM *a, BN_CTX *ctx)\n{\n int max, al;\n int ret = 0;\n BIGNUM *tmp, *rr;\n bn_check_top(a);\n al = a->top;\n if (al <= 0) {\n r->top = 0;\n r->neg = 0;\n return 1;\n }\n BN_CTX_start(ctx);\n rr = (a != r) ? r : BN_CTX_get(ctx);\n tmp = BN_CTX_get(ctx);\n if (rr == NULL || tmp == NULL)\n goto err;\n max = 2 * al;\n if (bn_wexpand(rr, max) == NULL)\n goto err;\n if (al == 4) {\n#ifndef BN_SQR_COMBA\n BN_ULONG t[8];\n bn_sqr_normal(rr->d, a->d, 4, t);\n#else\n bn_sqr_comba4(rr->d, a->d);\n#endif\n } else if (al == 8) {\n#ifndef BN_SQR_COMBA\n BN_ULONG t[16];\n bn_sqr_normal(rr->d, a->d, 8, t);\n#else\n bn_sqr_comba8(rr->d, a->d);\n#endif\n } else {\n#if defined(BN_RECURSION)\n if (al < BN_SQR_RECURSIVE_SIZE_NORMAL) {\n BN_ULONG t[BN_SQR_RECURSIVE_SIZE_NORMAL * 2];\n bn_sqr_normal(rr->d, a->d, al, t);\n } else {\n int j, k;\n j = BN_num_bits_word((BN_ULONG)al);\n j = 1 << (j - 1);\n k = j + j;\n if (al == j) {\n if (bn_wexpand(tmp, k * 2) == NULL)\n goto err;\n bn_sqr_recursive(rr->d, a->d, al, tmp->d);\n } else {\n if (bn_wexpand(tmp, max) == NULL)\n goto err;\n bn_sqr_normal(rr->d, a->d, al, tmp->d);\n }\n }\n#else\n if (bn_wexpand(tmp, max) == NULL)\n goto err;\n bn_sqr_normal(rr->d, a->d, al, tmp->d);\n#endif\n }\n rr->neg = 0;\n if (a->d[al - 1] == (a->d[al - 1] & BN_MASK2l))\n rr->top = max - 1;\n else\n rr->top = max;\n if (r != rr && BN_copy(r, rr) == NULL)\n goto err;\n ret = 1;\n err:\n bn_check_top(rr);\n bn_check_top(tmp);\n BN_CTX_end(ctx);\n return ret;\n}', 'void bn_sqr_normal(BN_ULONG *r, const BN_ULONG *a, int n, BN_ULONG *tmp)\n{\n int i, j, max;\n const BN_ULONG *ap;\n BN_ULONG *rp;\n max = n * 2;\n ap = a;\n rp = r;\n rp[0] = rp[max - 1] = 0;\n rp++;\n j = n;\n if (--j > 0) {\n ap++;\n rp[j] = bn_mul_words(rp, ap, j, ap[-1]);\n rp += 2;\n }\n for (i = n - 2; i > 0; i--) {\n j--;\n ap++;\n rp[j] = bn_mul_add_words(rp, ap, j, ap[-1]);\n rp += 2;\n }\n bn_add_words(r, r, r, max);\n bn_sqr_words(tmp, a, n);\n bn_add_words(r, r, tmp, max);\n}'] |
11,736 | 0 | https://github.com/openssl/openssl/blob/d40a1b865fddc3d67f8c06ff1f1466fad331c8f7/crypto/bn/bn_ctx.c/#L353 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | ['int BN_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, BN_CTX *ctx)\n\t{\n\tint i,bits,ret=0;\n\tBIGNUM *v,*rr;\n\tif (BN_get_flags(p, BN_FLG_CONSTTIME) != 0)\n\t\t{\n\t\tBNerr(BN_F_BN_EXP,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);\n\t\treturn -1;\n\t\t}\n\tBN_CTX_start(ctx);\n\tif ((r == a) || (r == p))\n\t\trr = BN_CTX_get(ctx);\n\telse\n\t\trr = r;\n\tif ((v = BN_CTX_get(ctx)) == NULL) goto err;\n\tif (BN_copy(v,a) == NULL) goto err;\n\tbits=BN_num_bits(p);\n\tif (BN_is_odd(p))\n\t\t{ if (BN_copy(rr,a) == NULL) goto err; }\n\telse\t{ if (!BN_one(rr)) goto err; }\n\tfor (i=1; i<bits; i++)\n\t\t{\n\t\tif (!BN_sqr(v,v,ctx)) goto err;\n\t\tif (BN_is_bit_set(p,i))\n\t\t\t{\n\t\t\tif (!BN_mul(rr,rr,v,ctx)) goto err;\n\t\t\t}\n\t\t}\n\tret=1;\nerr:\n\tif (r != rr) BN_copy(r,rr);\n\tBN_CTX_end(ctx);\n\tbn_check_top(r);\n\treturn(ret);\n\t}', 'void BN_CTX_start(BN_CTX *ctx)\n\t{\n\tCTXDBG_ENTRY("BN_CTX_start", ctx);\n\tif(ctx->err_stack || ctx->too_many)\n\t\tctx->err_stack++;\n\telse if(!BN_STACK_push(&ctx->stack, ctx->used))\n\t\t{\n\t\tBNerr(BN_F_BN_CTX_START,BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n\t\tctx->err_stack++;\n\t\t}\n\tCTXDBG_EXIT(ctx);\n\t}', 'int BN_sqr(BIGNUM *r, const BIGNUM *a, BN_CTX *ctx)\n\t{\n\tint max,al;\n\tint ret = 0;\n\tBIGNUM *tmp,*rr;\n#ifdef BN_COUNT\n\tfprintf(stderr,"BN_sqr %d * %d\\n",a->top,a->top);\n#endif\n\tbn_check_top(a);\n\tal=a->top;\n\tif (al <= 0)\n\t\t{\n\t\tr->top=0;\n\t\treturn 1;\n\t\t}\n\tBN_CTX_start(ctx);\n\trr=(a != r) ? r : BN_CTX_get(ctx);\n\ttmp=BN_CTX_get(ctx);\n\tif (!rr || !tmp) goto err;\n\tmax = 2 * al;\n\tif (bn_wexpand(rr,max) == NULL) goto err;\n\tif (al == 4)\n\t\t{\n#ifndef BN_SQR_COMBA\n\t\tBN_ULONG t[8];\n\t\tbn_sqr_normal(rr->d,a->d,4,t);\n#else\n\t\tbn_sqr_comba4(rr->d,a->d);\n#endif\n\t\t}\n\telse if (al == 8)\n\t\t{\n#ifndef BN_SQR_COMBA\n\t\tBN_ULONG t[16];\n\t\tbn_sqr_normal(rr->d,a->d,8,t);\n#else\n\t\tbn_sqr_comba8(rr->d,a->d);\n#endif\n\t\t}\n\telse\n\t\t{\n#if defined(BN_RECURSION)\n\t\tif (al < BN_SQR_RECURSIVE_SIZE_NORMAL)\n\t\t\t{\n\t\t\tBN_ULONG t[BN_SQR_RECURSIVE_SIZE_NORMAL*2];\n\t\t\tbn_sqr_normal(rr->d,a->d,al,t);\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tint j,k;\n\t\t\tj=BN_num_bits_word((BN_ULONG)al);\n\t\t\tj=1<<(j-1);\n\t\t\tk=j+j;\n\t\t\tif (al == j)\n\t\t\t\t{\n\t\t\t\tif (bn_wexpand(tmp,k*2) == NULL) goto err;\n\t\t\t\tbn_sqr_recursive(rr->d,a->d,al,tmp->d);\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tif (bn_wexpand(tmp,max) == NULL) goto err;\n\t\t\t\tbn_sqr_normal(rr->d,a->d,al,tmp->d);\n\t\t\t\t}\n\t\t\t}\n#else\n\t\tif (bn_wexpand(tmp,max) == NULL) goto err;\n\t\tbn_sqr_normal(rr->d,a->d,al,tmp->d);\n#endif\n\t\t}\n\trr->neg=0;\n\tif(a->d[al - 1] == (a->d[al - 1] & BN_MASK2l))\n\t\trr->top = max - 1;\n\telse\n\t\trr->top = max;\n\tif (rr != r) BN_copy(r,rr);\n\tret = 1;\n err:\n\tbn_check_top(rr);\n\tbn_check_top(tmp);\n\tBN_CTX_end(ctx);\n\treturn(ret);\n\t}', 'int BN_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)\n\t{\n\tint ret=0;\n\tint top,al,bl;\n\tBIGNUM *rr;\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\n\tint i;\n#endif\n#ifdef BN_RECURSION\n\tBIGNUM *t=NULL;\n\tint j=0,k;\n#endif\n#ifdef BN_COUNT\n\tfprintf(stderr,"BN_mul %d * %d\\n",a->top,b->top);\n#endif\n\tbn_check_top(a);\n\tbn_check_top(b);\n\tbn_check_top(r);\n\tal=a->top;\n\tbl=b->top;\n\tif ((al == 0) || (bl == 0))\n\t\t{\n\t\tBN_zero(r);\n\t\treturn(1);\n\t\t}\n\ttop=al+bl;\n\tBN_CTX_start(ctx);\n\tif ((r == a) || (r == b))\n\t\t{\n\t\tif ((rr = BN_CTX_get(ctx)) == NULL) goto err;\n\t\t}\n\telse\n\t\trr = r;\n\trr->neg=a->neg^b->neg;\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\n\ti = al-bl;\n#endif\n#ifdef BN_MUL_COMBA\n\tif (i == 0)\n\t\t{\n# if 0\n\t\tif (al == 4)\n\t\t\t{\n\t\t\tif (bn_wexpand(rr,8) == NULL) goto err;\n\t\t\trr->top=8;\n\t\t\tbn_mul_comba4(rr->d,a->d,b->d);\n\t\t\tgoto end;\n\t\t\t}\n# endif\n\t\tif (al == 8)\n\t\t\t{\n\t\t\tif (bn_wexpand(rr,16) == NULL) goto err;\n\t\t\trr->top=16;\n\t\t\tbn_mul_comba8(rr->d,a->d,b->d);\n\t\t\tgoto end;\n\t\t\t}\n\t\t}\n#endif\n#ifdef BN_RECURSION\n\tif ((al >= BN_MULL_SIZE_NORMAL) && (bl >= BN_MULL_SIZE_NORMAL))\n\t\t{\n\t\tif (i >= -1 && i <= 1)\n\t\t\t{\n\t\t\tint sav_j =0;\n\t\t\tif (i >= 0)\n\t\t\t\t{\n\t\t\t\tj = BN_num_bits_word((BN_ULONG)al);\n\t\t\t\t}\n\t\t\tif (i == -1)\n\t\t\t\t{\n\t\t\t\tj = BN_num_bits_word((BN_ULONG)bl);\n\t\t\t\t}\n\t\t\tsav_j = j;\n\t\t\tj = 1<<(j-1);\n\t\t\tassert(j <= al || j <= bl);\n\t\t\tk = j+j;\n\t\t\tt = BN_CTX_get(ctx);\n\t\t\tif (al > j || bl > j)\n\t\t\t\t{\n\t\t\t\tbn_wexpand(t,k*4);\n\t\t\t\tbn_wexpand(rr,k*4);\n\t\t\t\tbn_mul_part_recursive(rr->d,a->d,b->d,\n\t\t\t\t\tj,al-j,bl-j,t->d);\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tbn_wexpand(t,k*2);\n\t\t\t\tbn_wexpand(rr,k*2);\n\t\t\t\tbn_mul_recursive(rr->d,a->d,b->d,\n\t\t\t\t\tj,al-j,bl-j,t->d);\n\t\t\t\t}\n\t\t\trr->top=top;\n\t\t\tgoto end;\n\t\t\t}\n#if 0\n\t\tif (i == 1 && !BN_get_flags(b,BN_FLG_STATIC_DATA))\n\t\t\t{\n\t\t\tBIGNUM *tmp_bn = (BIGNUM *)b;\n\t\t\tif (bn_wexpand(tmp_bn,al) == NULL) goto err;\n\t\t\ttmp_bn->d[bl]=0;\n\t\t\tbl++;\n\t\t\ti--;\n\t\t\t}\n\t\telse if (i == -1 && !BN_get_flags(a,BN_FLG_STATIC_DATA))\n\t\t\t{\n\t\t\tBIGNUM *tmp_bn = (BIGNUM *)a;\n\t\t\tif (bn_wexpand(tmp_bn,bl) == NULL) goto err;\n\t\t\ttmp_bn->d[al]=0;\n\t\t\tal++;\n\t\t\ti++;\n\t\t\t}\n\t\tif (i == 0)\n\t\t\t{\n\t\t\tj=BN_num_bits_word((BN_ULONG)al);\n\t\t\tj=1<<(j-1);\n\t\t\tk=j+j;\n\t\t\tt = BN_CTX_get(ctx);\n\t\t\tif (al == j)\n\t\t\t\t{\n\t\t\t\tif (bn_wexpand(t,k*2) == NULL) goto err;\n\t\t\t\tif (bn_wexpand(rr,k*2) == NULL) goto err;\n\t\t\t\tbn_mul_recursive(rr->d,a->d,b->d,al,t->d);\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tif (bn_wexpand(t,k*4) == NULL) goto err;\n\t\t\t\tif (bn_wexpand(rr,k*4) == NULL) goto err;\n\t\t\t\tbn_mul_part_recursive(rr->d,a->d,b->d,al-j,j,t->d);\n\t\t\t\t}\n\t\t\trr->top=top;\n\t\t\tgoto end;\n\t\t\t}\n#endif\n\t\t}\n#endif\n\tif (bn_wexpand(rr,top) == NULL) goto err;\n\trr->top=top;\n\tbn_mul_normal(rr->d,a->d,al,b->d,bl);\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\nend:\n#endif\n\tbn_correct_top(rr);\n\tif (r != rr) BN_copy(r,rr);\n\tret=1;\nerr:\n\tbn_check_top(r);\n\tBN_CTX_end(ctx);\n\treturn(ret);\n\t}', 'void BN_CTX_end(BN_CTX *ctx)\n\t{\n\tCTXDBG_ENTRY("BN_CTX_end", ctx);\n\tif(ctx->err_stack)\n\t\tctx->err_stack--;\n\telse\n\t\t{\n\t\tunsigned int fp = BN_STACK_pop(&ctx->stack);\n\t\tif(fp < ctx->used)\n\t\t\tBN_POOL_release(&ctx->pool, ctx->used - fp);\n\t\tctx->used = fp;\n\t\tctx->too_many = 0;\n\t\t}\n\tCTXDBG_EXIT(ctx);\n\t}', 'static unsigned int BN_STACK_pop(BN_STACK *st)\n\t{\n\treturn st->indexes[--(st->depth)];\n\t}'] |
11,737 | 0 | https://github.com/openssl/openssl/blob/49cd47eaababc8c57871b929080fc1357e2ad7b8/test/v3nametest.c/#L295 | static int run_cert(X509 *crt, const char *nameincert,
const struct set_name_fn *fn)
{
const char *const *pname = names;
int failed = 0;
for (; *pname != NULL; ++pname) {
int samename = strcasecmp(nameincert, *pname) == 0;
size_t namelen = strlen(*pname);
char *name = OPENSSL_malloc(namelen);
int match, ret;
memcpy(name, *pname, namelen);
match = -1;
if (!TEST_int_ge(ret = X509_check_host(crt, name, namelen, 0, NULL),
0)) {
failed = 1;
} else if (fn->host) {
if (ret == 1 && !samename)
match = 1;
if (ret == 0 && samename)
match = 0;
} else if (ret == 1)
match = 1;
if (!TEST_true(check_message(fn, "host", nameincert, match, *pname)))
failed = 1;
match = -1;
if (!TEST_int_ge(ret = X509_check_host(crt, name, namelen,
X509_CHECK_FLAG_NO_WILDCARDS,
NULL), 0)) {
failed = 1;
} else if (fn->host) {
if (ret == 1 && !samename)
match = 1;
if (ret == 0 && samename)
match = 0;
} else if (ret == 1)
match = 1;
if (!TEST_true(check_message(fn, "host-no-wildcards",
nameincert, match, *pname)))
failed = 1;
match = -1;
ret = X509_check_email(crt, name, namelen, 0);
if (fn->email) {
if (ret && !samename)
match = 1;
if (!ret && samename && strchr(nameincert, '@') != NULL)
match = 0;
} else if (ret)
match = 1;
if (!TEST_true(check_message(fn, "email", nameincert, match, *pname)))
failed = 1;
OPENSSL_free(name);
}
return failed == 0;
} | ['static int run_cert(X509 *crt, const char *nameincert,\n const struct set_name_fn *fn)\n{\n const char *const *pname = names;\n int failed = 0;\n for (; *pname != NULL; ++pname) {\n int samename = strcasecmp(nameincert, *pname) == 0;\n size_t namelen = strlen(*pname);\n char *name = OPENSSL_malloc(namelen);\n int match, ret;\n memcpy(name, *pname, namelen);\n match = -1;\n if (!TEST_int_ge(ret = X509_check_host(crt, name, namelen, 0, NULL),\n 0)) {\n failed = 1;\n } else if (fn->host) {\n if (ret == 1 && !samename)\n match = 1;\n if (ret == 0 && samename)\n match = 0;\n } else if (ret == 1)\n match = 1;\n if (!TEST_true(check_message(fn, "host", nameincert, match, *pname)))\n failed = 1;\n match = -1;\n if (!TEST_int_ge(ret = X509_check_host(crt, name, namelen,\n X509_CHECK_FLAG_NO_WILDCARDS,\n NULL), 0)) {\n failed = 1;\n } else if (fn->host) {\n if (ret == 1 && !samename)\n match = 1;\n if (ret == 0 && samename)\n match = 0;\n } else if (ret == 1)\n match = 1;\n if (!TEST_true(check_message(fn, "host-no-wildcards",\n nameincert, match, *pname)))\n failed = 1;\n match = -1;\n ret = X509_check_email(crt, name, namelen, 0);\n if (fn->email) {\n if (ret && !samename)\n match = 1;\n if (!ret && samename && strchr(nameincert, \'@\') != NULL)\n match = 0;\n } else if (ret)\n match = 1;\n if (!TEST_true(check_message(fn, "email", nameincert, match, *pname)))\n failed = 1;\n OPENSSL_free(name);\n }\n return failed == 0;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n INCREMENT(malloc_count);\n if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)\n return malloc_impl(num, file, line);\n if (num == 0)\n return NULL;\n FAILTEST();\n if (allow_customize) {\n allow_customize = 0;\n }\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n (void)(file); (void)(line);\n ret = malloc(num);\n#endif\n return ret;\n}'] |
11,738 | 0 | https://github.com/openssl/openssl/blob/846ec07d904f9cc81d486db0db14fb84f61ff6e5/ssl/t1_lib.c/#L4229 | DH *ssl_get_auto_dh(SSL *s)
{
int dh_secbits = 80;
if (s->cert->dh_tmp_auto == 2)
return DH_get_1024_160();
if (s->s3->tmp.new_cipher->algorithm_auth & (SSL_aNULL | SSL_aPSK)) {
if (s->s3->tmp.new_cipher->strength_bits == 256)
dh_secbits = 128;
else
dh_secbits = 80;
} else {
CERT_PKEY *cpk = ssl_get_server_send_pkey(s);
dh_secbits = EVP_PKEY_security_bits(cpk->privatekey);
}
if (dh_secbits >= 128) {
DH *dhp = DH_new();
if (dhp == NULL)
return NULL;
dhp->g = BN_new();
if (dhp->g != NULL)
BN_set_word(dhp->g, 2);
if (dh_secbits >= 192)
dhp->p = get_rfc3526_prime_8192(NULL);
else
dhp->p = get_rfc3526_prime_3072(NULL);
if (dhp->p == NULL || dhp->g == NULL) {
DH_free(dhp);
return NULL;
}
return dhp;
}
if (dh_secbits >= 112)
return DH_get_2048_224();
return DH_get_1024_160();
} | ['DH *ssl_get_auto_dh(SSL *s)\n{\n int dh_secbits = 80;\n if (s->cert->dh_tmp_auto == 2)\n return DH_get_1024_160();\n if (s->s3->tmp.new_cipher->algorithm_auth & (SSL_aNULL | SSL_aPSK)) {\n if (s->s3->tmp.new_cipher->strength_bits == 256)\n dh_secbits = 128;\n else\n dh_secbits = 80;\n } else {\n CERT_PKEY *cpk = ssl_get_server_send_pkey(s);\n dh_secbits = EVP_PKEY_security_bits(cpk->privatekey);\n }\n if (dh_secbits >= 128) {\n DH *dhp = DH_new();\n if (dhp == NULL)\n return NULL;\n dhp->g = BN_new();\n if (dhp->g != NULL)\n BN_set_word(dhp->g, 2);\n if (dh_secbits >= 192)\n dhp->p = get_rfc3526_prime_8192(NULL);\n else\n dhp->p = get_rfc3526_prime_3072(NULL);\n if (dhp->p == NULL || dhp->g == NULL) {\n DH_free(dhp);\n return NULL;\n }\n return dhp;\n }\n if (dh_secbits >= 112)\n return DH_get_2048_224();\n return DH_get_1024_160();\n}', 'CERT_PKEY *ssl_get_server_send_pkey(SSL *s)\n{\n CERT *c;\n int i;\n c = s->cert;\n if (!s->s3 || !s->s3->tmp.new_cipher)\n return NULL;\n ssl_set_masks(s, s->s3->tmp.new_cipher);\n#ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL\n if (c->cert_flags & SSL_CERT_FLAG_BROKEN_PROTOCOL)\n return c->key;\n#endif\n i = ssl_get_server_cert_index(s);\n if (i < 0)\n return NULL;\n return &c->pkeys[i];\n}', 'static int ssl_get_server_cert_index(const SSL *s)\n{\n int idx;\n idx = ssl_cipher_get_cert_index(s->s3->tmp.new_cipher);\n if (idx == SSL_PKEY_RSA_ENC && !s->cert->pkeys[SSL_PKEY_RSA_ENC].x509)\n idx = SSL_PKEY_RSA_SIGN;\n if (idx == SSL_PKEY_GOST_EC) {\n if (s->cert->pkeys[SSL_PKEY_GOST12_512].x509)\n idx = SSL_PKEY_GOST12_512;\n else if (s->cert->pkeys[SSL_PKEY_GOST12_256].x509)\n idx = SSL_PKEY_GOST12_256;\n else if (s->cert->pkeys[SSL_PKEY_GOST01].x509)\n idx = SSL_PKEY_GOST01;\n else\n idx = -1;\n }\n if (idx == -1)\n SSLerr(SSL_F_SSL_GET_SERVER_CERT_INDEX, ERR_R_INTERNAL_ERROR);\n return idx;\n}', 'int ssl_cipher_get_cert_index(const SSL_CIPHER *c)\n{\n uint32_t alg_k, alg_a;\n alg_k = c->algorithm_mkey;\n alg_a = c->algorithm_auth;\n if (alg_k & (SSL_kECDHr | SSL_kECDHe)) {\n return SSL_PKEY_ECC;\n } else if (alg_a & SSL_aECDSA)\n return SSL_PKEY_ECC;\n else if (alg_a & SSL_aDSS)\n return SSL_PKEY_DSA_SIGN;\n else if (alg_a & SSL_aRSA)\n return SSL_PKEY_RSA_ENC;\n else if (alg_a & SSL_aGOST12)\n return SSL_PKEY_GOST_EC;\n else if (alg_a & SSL_aGOST01)\n return SSL_PKEY_GOST01;\n return -1;\n}'] |
11,739 | 0 | https://github.com/openssl/openssl/blob/313fce7b61ecaf5879cf84b256bdd0964134836e/crypto/bn/bn_ctx.c/#L353 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | ['DSA_SIG *gost2001_do_sign(const unsigned char *dgst,int dlen, EC_KEY *eckey)\n\t{\n\tDSA_SIG *newsig = NULL;\n\tBIGNUM *md = hashsum2bn(dgst);\n\tBIGNUM *order = NULL;\n\tconst EC_GROUP *group;\n\tconst BIGNUM *priv_key;\n\tBIGNUM *r=NULL,*s=NULL,*X=NULL,*tmp=NULL,*tmp2=NULL, *k=NULL,*e=NULL;\n\tEC_POINT *C=NULL;\n\tBN_CTX *ctx = BN_CTX_new();\n\tBN_CTX_start(ctx);\n\tOPENSSL_assert(dlen==32);\n\tnewsig=DSA_SIG_new();\n\tif (!newsig)\n\t\t{\n\t\tGOSTerr(GOST_F_GOST2001_DO_SIGN,GOST_R_NO_MEMORY);\n\t\tgoto err;\n\t\t}\n\tgroup = EC_KEY_get0_group(eckey);\n\torder=BN_CTX_get(ctx);\n\tEC_GROUP_get_order(group,order,ctx);\n\tpriv_key = EC_KEY_get0_private_key(eckey);\n\te = BN_CTX_get(ctx);\n\tBN_mod(e,md,order,ctx);\n#ifdef DEBUG_SIGN\n\tfprintf(stderr,"digest as bignum=");\n\tBN_print_fp(stderr,md);\n\tfprintf(stderr,"\\ndigest mod q=");\n\tBN_print_fp(stderr,e);\n\tfprintf(stderr,"\\n");\n#endif\n\tif (BN_is_zero(e))\n\t\t{\n\t\tBN_one(e);\n\t\t}\n\tk =BN_CTX_get(ctx);\n\tC=EC_POINT_new(group);\n\tdo\n\t\t{\n\t\tdo\n\t\t\t{\n\t\t\tif (!BN_rand_range(k,order))\n\t\t\t\t{\n\t\t\t\tGOSTerr(GOST_F_GOST2001_DO_SIGN,GOST_R_RANDOM_NUMBER_GENERATOR_FAILED);\n\t\t\t\tDSA_SIG_free(newsig);\n\t\t\t\tgoto err;\n\t\t\t\t}\n\t\t\tif (!EC_POINT_mul(group,C,k,NULL,NULL,ctx))\n\t\t\t\t{\n\t\t\t\tGOSTerr(GOST_F_GOST2001_DO_SIGN,ERR_R_EC_LIB);\n\t\t\t\tDSA_SIG_free(newsig);\n\t\t\t\tgoto err;\n\t\t\t\t}\n\t\t\tif (!X) X=BN_CTX_get(ctx);\n\t\t\tif (!EC_POINT_get_affine_coordinates_GFp(group,C,X,NULL,ctx))\n\t\t\t\t{\n\t\t\t\tGOSTerr(GOST_F_GOST2001_DO_SIGN,ERR_R_EC_LIB);\n\t\t\t\tDSA_SIG_free(newsig);\n\t\t\t\tgoto err;\n\t\t\t\t}\n\t\t\tif (!r) r=BN_CTX_get(ctx);\n\t\t\tBN_nnmod(r,X,order,ctx);\n\t\t\t}\n\t\twhile (BN_is_zero(r));\n\t\tif (!tmp) tmp = BN_CTX_get(ctx);\n\t\tBN_mod_mul(tmp,priv_key,r,order,ctx);\n\t\tif (!tmp2) tmp2 = BN_CTX_get(ctx);\n\t\tBN_mod_mul(tmp2,k,e,order,ctx);\n\t\tif (!s) s=BN_CTX_get(ctx);\n\t\tBN_mod_add(s,tmp,tmp2,order,ctx);\n\t\t}\n\twhile (BN_is_zero(s));\n\tnewsig->s=BN_dup(s);\n\tnewsig->r=BN_dup(r);\n\terr:\n\tBN_CTX_end(ctx);\n\tBN_CTX_free(ctx);\n\tEC_POINT_free(C);\n\tBN_free(md);\n\treturn newsig;\n\t}', 'void BN_CTX_start(BN_CTX *ctx)\n\t{\n\tCTXDBG_ENTRY("BN_CTX_start", ctx);\n\tif(ctx->err_stack || ctx->too_many)\n\t\tctx->err_stack++;\n\telse if(!BN_STACK_push(&ctx->stack, ctx->used))\n\t\t{\n\t\tBNerr(BN_F_BN_CTX_START,BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n\t\tctx->err_stack++;\n\t\t}\n\tCTXDBG_EXIT(ctx);\n\t}', 'int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,\n\t BN_CTX *ctx)\n\t{\n\tint norm_shift,i,loop;\n\tBIGNUM *tmp,wnum,*snum,*sdiv,*res;\n\tBN_ULONG *resp,*wnump;\n\tBN_ULONG d0,d1;\n\tint num_n,div_n;\n\tif ((BN_get_flags(num, BN_FLG_CONSTTIME) != 0) || (BN_get_flags(divisor, BN_FLG_CONSTTIME) != 0))\n\t\t{\n\t\treturn BN_div_no_branch(dv, rm, num, divisor, ctx);\n\t\t}\n\tbn_check_top(dv);\n\tbn_check_top(rm);\n\tbn_check_top(num);\n\tbn_check_top(divisor);\n\tif (BN_is_zero(divisor))\n\t\t{\n\t\tBNerr(BN_F_BN_DIV,BN_R_DIV_BY_ZERO);\n\t\treturn(0);\n\t\t}\n\tif (BN_ucmp(num,divisor) < 0)\n\t\t{\n\t\tif (rm != NULL)\n\t\t\t{ if (BN_copy(rm,num) == NULL) return(0); }\n\t\tif (dv != NULL) BN_zero(dv);\n\t\treturn(1);\n\t\t}\n\tBN_CTX_start(ctx);\n\ttmp=BN_CTX_get(ctx);\n\tsnum=BN_CTX_get(ctx);\n\tsdiv=BN_CTX_get(ctx);\n\tif (dv == NULL)\n\t\tres=BN_CTX_get(ctx);\n\telse\tres=dv;\n\tif (sdiv == NULL || res == NULL) goto err;\n\tnorm_shift=BN_BITS2-((BN_num_bits(divisor))%BN_BITS2);\n\tif (!(BN_lshift(sdiv,divisor,norm_shift))) goto err;\n\tsdiv->neg=0;\n\tnorm_shift+=BN_BITS2;\n\tif (!(BN_lshift(snum,num,norm_shift))) goto err;\n\tsnum->neg=0;\n\tdiv_n=sdiv->top;\n\tnum_n=snum->top;\n\tloop=num_n-div_n;\n\twnum.neg = 0;\n\twnum.d = &(snum->d[loop]);\n\twnum.top = div_n;\n\twnum.dmax = snum->dmax - loop;\n\td0=sdiv->d[div_n-1];\n\td1=(div_n == 1)?0:sdiv->d[div_n-2];\n\twnump= &(snum->d[num_n-1]);\n\tres->neg= (num->neg^divisor->neg);\n\tif (!bn_wexpand(res,(loop+1))) goto err;\n\tres->top=loop;\n\tresp= &(res->d[loop-1]);\n\tif (!bn_wexpand(tmp,(div_n+1))) goto err;\n\tif (BN_ucmp(&wnum,sdiv) >= 0)\n\t\t{\n\t\tbn_clear_top2max(&wnum);\n\t\tbn_sub_words(wnum.d, wnum.d, sdiv->d, div_n);\n\t\t*resp=1;\n\t\t}\n\telse\n\t\tres->top--;\n\tif (res->top == 0)\n\t\tres->neg = 0;\n\telse\n\t\tresp--;\n\tfor (i=0; i<loop-1; i++, wnump--, resp--)\n\t\t{\n\t\tBN_ULONG q,l0;\n#if defined(BN_DIV3W) && !defined(OPENSSL_NO_ASM)\n\t\tBN_ULONG bn_div_3_words(BN_ULONG*,BN_ULONG,BN_ULONG);\n\t\tq=bn_div_3_words(wnump,d1,d0);\n#else\n\t\tBN_ULONG n0,n1,rem=0;\n\t\tn0=wnump[0];\n\t\tn1=wnump[-1];\n\t\tif (n0 == d0)\n\t\t\tq=BN_MASK2;\n\t\telse\n\t\t\t{\n#ifdef BN_LLONG\n\t\t\tBN_ULLONG t2;\n#if defined(BN_LLONG) && defined(BN_DIV2W) && !defined(bn_div_words)\n\t\t\tq=(BN_ULONG)(((((BN_ULLONG)n0)<<BN_BITS2)|n1)/d0);\n#else\n\t\t\tq=bn_div_words(n0,n1,d0);\n#ifdef BN_DEBUG_LEVITTE\n\t\t\tfprintf(stderr,"DEBUG: bn_div_words(0x%08X,0x%08X,0x%08\\\nX) -> 0x%08X\\n",\n\t\t\t\tn0, n1, d0, q);\n#endif\n#endif\n#ifndef REMAINDER_IS_ALREADY_CALCULATED\n\t\t\trem=(n1-q*d0)&BN_MASK2;\n#endif\n\t\t\tt2=(BN_ULLONG)d1*q;\n\t\t\tfor (;;)\n\t\t\t\t{\n\t\t\t\tif (t2 <= ((((BN_ULLONG)rem)<<BN_BITS2)|wnump[-2]))\n\t\t\t\t\tbreak;\n\t\t\t\tq--;\n\t\t\t\trem += d0;\n\t\t\t\tif (rem < d0) break;\n\t\t\t\tt2 -= d1;\n\t\t\t\t}\n#else\n\t\t\tBN_ULONG t2l,t2h,ql,qh;\n\t\t\tq=bn_div_words(n0,n1,d0);\n#ifdef BN_DEBUG_LEVITTE\n\t\t\tfprintf(stderr,"DEBUG: bn_div_words(0x%08X,0x%08X,0x%08\\\nX) -> 0x%08X\\n",\n\t\t\t\tn0, n1, d0, q);\n#endif\n#ifndef REMAINDER_IS_ALREADY_CALCULATED\n\t\t\trem=(n1-q*d0)&BN_MASK2;\n#endif\n#if defined(BN_UMULT_LOHI)\n\t\t\tBN_UMULT_LOHI(t2l,t2h,d1,q);\n#elif defined(BN_UMULT_HIGH)\n\t\t\tt2l = d1 * q;\n\t\t\tt2h = BN_UMULT_HIGH(d1,q);\n#else\n\t\t\tt2l=LBITS(d1); t2h=HBITS(d1);\n\t\t\tql =LBITS(q); qh =HBITS(q);\n\t\t\tmul64(t2l,t2h,ql,qh);\n#endif\n\t\t\tfor (;;)\n\t\t\t\t{\n\t\t\t\tif ((t2h < rem) ||\n\t\t\t\t\t((t2h == rem) && (t2l <= wnump[-2])))\n\t\t\t\t\tbreak;\n\t\t\t\tq--;\n\t\t\t\trem += d0;\n\t\t\t\tif (rem < d0) break;\n\t\t\t\tif (t2l < d1) t2h--; t2l -= d1;\n\t\t\t\t}\n#endif\n\t\t\t}\n#endif\n\t\tl0=bn_mul_words(tmp->d,sdiv->d,div_n,q);\n\t\ttmp->d[div_n]=l0;\n\t\twnum.d--;\n\t\tif (bn_sub_words(wnum.d, wnum.d, tmp->d, div_n+1))\n\t\t\t{\n\t\t\tq--;\n\t\t\tif (bn_add_words(wnum.d, wnum.d, sdiv->d, div_n))\n\t\t\t\t(*wnump)++;\n\t\t\t}\n\t\t*resp = q;\n\t\t}\n\tbn_correct_top(snum);\n\tif (rm != NULL)\n\t\t{\n\t\tint neg = num->neg;\n\t\tBN_rshift(rm,snum,norm_shift);\n\t\tif (!BN_is_zero(rm))\n\t\t\trm->neg = neg;\n\t\tbn_check_top(rm);\n\t\t}\n\tBN_CTX_end(ctx);\n\treturn(1);\nerr:\n\tbn_check_top(rm);\n\tBN_CTX_end(ctx);\n\treturn(0);\n\t}', 'int BN_div_no_branch(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num,\n\tconst BIGNUM *divisor, BN_CTX *ctx)\n\t{\n\tint norm_shift,i,loop;\n\tBIGNUM *tmp,wnum,*snum,*sdiv,*res;\n\tBN_ULONG *resp,*wnump;\n\tBN_ULONG d0,d1;\n\tint num_n,div_n;\n\tbn_check_top(dv);\n\tbn_check_top(rm);\n\tbn_check_top(num);\n\tbn_check_top(divisor);\n\tif (BN_is_zero(divisor))\n\t\t{\n\t\tBNerr(BN_F_BN_DIV,BN_R_DIV_BY_ZERO);\n\t\treturn(0);\n\t\t}\n\tBN_CTX_start(ctx);\n\ttmp=BN_CTX_get(ctx);\n\tsnum=BN_CTX_get(ctx);\n\tsdiv=BN_CTX_get(ctx);\n\tif (dv == NULL)\n\t\tres=BN_CTX_get(ctx);\n\telse\tres=dv;\n\tif (sdiv == NULL || res == NULL) goto err;\n\tnorm_shift=BN_BITS2-((BN_num_bits(divisor))%BN_BITS2);\n\tif (!(BN_lshift(sdiv,divisor,norm_shift))) goto err;\n\tsdiv->neg=0;\n\tnorm_shift+=BN_BITS2;\n\tif (!(BN_lshift(snum,num,norm_shift))) goto err;\n\tsnum->neg=0;\n\tif (snum->top <= sdiv->top+1)\n\t\t{\n\t\tif (bn_wexpand(snum, sdiv->top + 2) == NULL) goto err;\n\t\tfor (i = snum->top; i < sdiv->top + 2; i++) snum->d[i] = 0;\n\t\tsnum->top = sdiv->top + 2;\n\t\t}\n\telse\n\t\t{\n\t\tif (bn_wexpand(snum, snum->top + 1) == NULL) goto err;\n\t\tsnum->d[snum->top] = 0;\n\t\tsnum->top ++;\n\t\t}\n\tdiv_n=sdiv->top;\n\tnum_n=snum->top;\n\tloop=num_n-div_n;\n\twnum.neg = 0;\n\twnum.d = &(snum->d[loop]);\n\twnum.top = div_n;\n\twnum.dmax = snum->dmax - loop;\n\td0=sdiv->d[div_n-1];\n\td1=(div_n == 1)?0:sdiv->d[div_n-2];\n\twnump= &(snum->d[num_n-1]);\n\tres->neg= (num->neg^divisor->neg);\n\tif (!bn_wexpand(res,(loop+1))) goto err;\n\tres->top=loop-1;\n\tresp= &(res->d[loop-1]);\n\tif (!bn_wexpand(tmp,(div_n+1))) goto err;\n\tif (res->top == 0)\n\t\tres->neg = 0;\n\telse\n\t\tresp--;\n\tfor (i=0; i<loop-1; i++, wnump--, resp--)\n\t\t{\n\t\tBN_ULONG q,l0;\n#if defined(BN_DIV3W) && !defined(OPENSSL_NO_ASM)\n\t\tBN_ULONG bn_div_3_words(BN_ULONG*,BN_ULONG,BN_ULONG);\n\t\tq=bn_div_3_words(wnump,d1,d0);\n#else\n\t\tBN_ULONG n0,n1,rem=0;\n\t\tn0=wnump[0];\n\t\tn1=wnump[-1];\n\t\tif (n0 == d0)\n\t\t\tq=BN_MASK2;\n\t\telse\n\t\t\t{\n#ifdef BN_LLONG\n\t\t\tBN_ULLONG t2;\n#if defined(BN_LLONG) && defined(BN_DIV2W) && !defined(bn_div_words)\n\t\t\tq=(BN_ULONG)(((((BN_ULLONG)n0)<<BN_BITS2)|n1)/d0);\n#else\n\t\t\tq=bn_div_words(n0,n1,d0);\n#ifdef BN_DEBUG_LEVITTE\n\t\t\tfprintf(stderr,"DEBUG: bn_div_words(0x%08X,0x%08X,0x%08\\\nX) -> 0x%08X\\n",\n\t\t\t\tn0, n1, d0, q);\n#endif\n#endif\n#ifndef REMAINDER_IS_ALREADY_CALCULATED\n\t\t\trem=(n1-q*d0)&BN_MASK2;\n#endif\n\t\t\tt2=(BN_ULLONG)d1*q;\n\t\t\tfor (;;)\n\t\t\t\t{\n\t\t\t\tif (t2 <= ((((BN_ULLONG)rem)<<BN_BITS2)|wnump[-2]))\n\t\t\t\t\tbreak;\n\t\t\t\tq--;\n\t\t\t\trem += d0;\n\t\t\t\tif (rem < d0) break;\n\t\t\t\tt2 -= d1;\n\t\t\t\t}\n#else\n\t\t\tBN_ULONG t2l,t2h,ql,qh;\n\t\t\tq=bn_div_words(n0,n1,d0);\n#ifdef BN_DEBUG_LEVITTE\n\t\t\tfprintf(stderr,"DEBUG: bn_div_words(0x%08X,0x%08X,0x%08\\\nX) -> 0x%08X\\n",\n\t\t\t\tn0, n1, d0, q);\n#endif\n#ifndef REMAINDER_IS_ALREADY_CALCULATED\n\t\t\trem=(n1-q*d0)&BN_MASK2;\n#endif\n#if defined(BN_UMULT_LOHI)\n\t\t\tBN_UMULT_LOHI(t2l,t2h,d1,q);\n#elif defined(BN_UMULT_HIGH)\n\t\t\tt2l = d1 * q;\n\t\t\tt2h = BN_UMULT_HIGH(d1,q);\n#else\n\t\t\tt2l=LBITS(d1); t2h=HBITS(d1);\n\t\t\tql =LBITS(q); qh =HBITS(q);\n\t\t\tmul64(t2l,t2h,ql,qh);\n#endif\n\t\t\tfor (;;)\n\t\t\t\t{\n\t\t\t\tif ((t2h < rem) ||\n\t\t\t\t\t((t2h == rem) && (t2l <= wnump[-2])))\n\t\t\t\t\tbreak;\n\t\t\t\tq--;\n\t\t\t\trem += d0;\n\t\t\t\tif (rem < d0) break;\n\t\t\t\tif (t2l < d1) t2h--; t2l -= d1;\n\t\t\t\t}\n#endif\n\t\t\t}\n#endif\n\t\tl0=bn_mul_words(tmp->d,sdiv->d,div_n,q);\n\t\ttmp->d[div_n]=l0;\n\t\twnum.d--;\n\t\tif (bn_sub_words(wnum.d, wnum.d, tmp->d, div_n+1))\n\t\t\t{\n\t\t\tq--;\n\t\t\tif (bn_add_words(wnum.d, wnum.d, sdiv->d, div_n))\n\t\t\t\t(*wnump)++;\n\t\t\t}\n\t\t*resp = q;\n\t\t}\n\tbn_correct_top(snum);\n\tif (rm != NULL)\n\t\t{\n\t\tint neg = num->neg;\n\t\tBN_rshift(rm,snum,norm_shift);\n\t\tif (!BN_is_zero(rm))\n\t\t\trm->neg = neg;\n\t\tbn_check_top(rm);\n\t\t}\n\tBN_CTX_end(ctx);\n\treturn(1);\nerr:\n\tbn_check_top(rm);\n\tBN_CTX_end(ctx);\n\treturn(0);\n\t}', 'void BN_CTX_end(BN_CTX *ctx)\n\t{\n\tCTXDBG_ENTRY("BN_CTX_end", ctx);\n\tif(ctx->err_stack)\n\t\tctx->err_stack--;\n\telse\n\t\t{\n\t\tunsigned int fp = BN_STACK_pop(&ctx->stack);\n\t\tif(fp < ctx->used)\n\t\t\tBN_POOL_release(&ctx->pool, ctx->used - fp);\n\t\tctx->used = fp;\n\t\tctx->too_many = 0;\n\t\t}\n\tCTXDBG_EXIT(ctx);\n\t}', 'static unsigned int BN_STACK_pop(BN_STACK *st)\n\t{\n\treturn st->indexes[--(st->depth)];\n\t}'] |
11,740 | 0 | https://github.com/openssl/openssl/blob/e02c519cd32a55e6ad39a0cfbeeda775f9115f28/crypto/bn/bn_sqr.c/#L124 | void bn_sqr_normal(BN_ULONG *r, const BN_ULONG *a, int n, BN_ULONG *tmp)
{
int i, j, max;
const BN_ULONG *ap;
BN_ULONG *rp;
max = n * 2;
ap = a;
rp = r;
rp[0] = rp[max - 1] = 0;
rp++;
j = n;
if (--j > 0) {
ap++;
rp[j] = bn_mul_words(rp, ap, j, ap[-1]);
rp += 2;
}
for (i = n - 2; i > 0; i--) {
j--;
ap++;
rp[j] = bn_mul_add_words(rp, ap, j, ap[-1]);
rp += 2;
}
bn_add_words(r, r, r, max);
bn_sqr_words(tmp, a, n);
bn_add_words(r, r, tmp, max);
} | ['static int dsa_do_verify(const unsigned char *dgst, int dgst_len,\n DSA_SIG *sig, DSA *dsa)\n{\n BN_CTX *ctx;\n BIGNUM *u1, *u2, *t1;\n BN_MONT_CTX *mont = NULL;\n const BIGNUM *r, *s;\n int ret = -1, i;\n if (!dsa->p || !dsa->q || !dsa->g) {\n DSAerr(DSA_F_DSA_DO_VERIFY, DSA_R_MISSING_PARAMETERS);\n return -1;\n }\n i = BN_num_bits(dsa->q);\n if (i != 160 && i != 224 && i != 256) {\n DSAerr(DSA_F_DSA_DO_VERIFY, DSA_R_BAD_Q_VALUE);\n return -1;\n }\n if (BN_num_bits(dsa->p) > OPENSSL_DSA_MAX_MODULUS_BITS) {\n DSAerr(DSA_F_DSA_DO_VERIFY, DSA_R_MODULUS_TOO_LARGE);\n return -1;\n }\n u1 = BN_new();\n u2 = BN_new();\n t1 = BN_new();\n ctx = BN_CTX_new();\n if (u1 == NULL || u2 == NULL || t1 == NULL || ctx == NULL)\n goto err;\n DSA_SIG_get0(sig, &r, &s);\n if (BN_is_zero(r) || BN_is_negative(r) ||\n BN_ucmp(r, dsa->q) >= 0) {\n ret = 0;\n goto err;\n }\n if (BN_is_zero(s) || BN_is_negative(s) ||\n BN_ucmp(s, dsa->q) >= 0) {\n ret = 0;\n goto err;\n }\n if ((BN_mod_inverse(u2, s, dsa->q, ctx)) == NULL)\n goto err;\n if (dgst_len > (i >> 3))\n dgst_len = (i >> 3);\n if (BN_bin2bn(dgst, dgst_len, u1) == NULL)\n goto err;\n if (!BN_mod_mul(u1, u1, u2, dsa->q, ctx))\n goto err;\n if (!BN_mod_mul(u2, r, u2, dsa->q, ctx))\n goto err;\n if (dsa->flags & DSA_FLAG_CACHE_MONT_P) {\n mont = BN_MONT_CTX_set_locked(&dsa->method_mont_p,\n dsa->lock, dsa->p, ctx);\n if (!mont)\n goto err;\n }\n if (dsa->meth->dsa_mod_exp != NULL) {\n if (!dsa->meth->dsa_mod_exp(dsa, t1, dsa->g, u1, dsa->pub_key, u2,\n dsa->p, ctx, mont))\n goto err;\n } else {\n if (!BN_mod_exp2_mont(t1, dsa->g, u1, dsa->pub_key, u2, dsa->p, ctx,\n mont))\n goto err;\n }\n if (!BN_mod(u1, t1, dsa->q, ctx))\n goto err;\n ret = (BN_ucmp(u1, r) == 0);\n err:\n if (ret < 0)\n DSAerr(DSA_F_DSA_DO_VERIFY, ERR_R_BN_LIB);\n BN_CTX_free(ctx);\n BN_free(u1);\n BN_free(u2);\n BN_free(t1);\n return ret;\n}', 'BIGNUM *BN_bin2bn(const unsigned char *s, int len, BIGNUM *ret)\n{\n unsigned int i, m;\n unsigned int n;\n BN_ULONG l;\n BIGNUM *bn = NULL;\n if (ret == NULL)\n ret = bn = BN_new();\n if (ret == NULL)\n return NULL;\n bn_check_top(ret);\n for ( ; len > 0 && *s == 0; s++, len--)\n continue;\n n = len;\n if (n == 0) {\n ret->top = 0;\n return ret;\n }\n i = ((n - 1) / BN_BYTES) + 1;\n m = ((n - 1) % (BN_BYTES));\n if (bn_wexpand(ret, (int)i) == NULL) {\n BN_free(bn);\n return NULL;\n }\n ret->top = i;\n ret->neg = 0;\n l = 0;\n while (n--) {\n l = (l << 8L) | *(s++);\n if (m-- == 0) {\n ret->d[--i] = l;\n l = 0;\n m = BN_BYTES - 1;\n }\n }\n bn_correct_top(ret);\n return ret;\n}', 'int BN_mod_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const BIGNUM *m,\n BN_CTX *ctx)\n{\n BIGNUM *t;\n int ret = 0;\n bn_check_top(a);\n bn_check_top(b);\n bn_check_top(m);\n BN_CTX_start(ctx);\n if ((t = BN_CTX_get(ctx)) == NULL)\n goto err;\n if (a == b) {\n if (!BN_sqr(t, a, ctx))\n goto err;\n } else {\n if (!BN_mul(t, a, b, ctx))\n goto err;\n }\n if (!BN_nnmod(r, t, m, ctx))\n goto err;\n bn_check_top(r);\n ret = 1;\n err:\n BN_CTX_end(ctx);\n return ret;\n}', 'int BN_sqr(BIGNUM *r, const BIGNUM *a, BN_CTX *ctx)\n{\n int ret = bn_sqr_fixed_top(r, a, ctx);\n bn_correct_top(r);\n bn_check_top(r);\n return ret;\n}', 'int bn_sqr_fixed_top(BIGNUM *r, const BIGNUM *a, BN_CTX *ctx)\n{\n int max, al;\n int ret = 0;\n BIGNUM *tmp, *rr;\n bn_check_top(a);\n al = a->top;\n if (al <= 0) {\n r->top = 0;\n r->neg = 0;\n return 1;\n }\n BN_CTX_start(ctx);\n rr = (a != r) ? r : BN_CTX_get(ctx);\n tmp = BN_CTX_get(ctx);\n if (rr == NULL || tmp == NULL)\n goto err;\n max = 2 * al;\n if (bn_wexpand(rr, max) == NULL)\n goto err;\n if (al == 4) {\n#ifndef BN_SQR_COMBA\n BN_ULONG t[8];\n bn_sqr_normal(rr->d, a->d, 4, t);\n#else\n bn_sqr_comba4(rr->d, a->d);\n#endif\n } else if (al == 8) {\n#ifndef BN_SQR_COMBA\n BN_ULONG t[16];\n bn_sqr_normal(rr->d, a->d, 8, t);\n#else\n bn_sqr_comba8(rr->d, a->d);\n#endif\n } else {\n#if defined(BN_RECURSION)\n if (al < BN_SQR_RECURSIVE_SIZE_NORMAL) {\n BN_ULONG t[BN_SQR_RECURSIVE_SIZE_NORMAL * 2];\n bn_sqr_normal(rr->d, a->d, al, t);\n } else {\n int j, k;\n j = BN_num_bits_word((BN_ULONG)al);\n j = 1 << (j - 1);\n k = j + j;\n if (al == j) {\n if (bn_wexpand(tmp, k * 2) == NULL)\n goto err;\n bn_sqr_recursive(rr->d, a->d, al, tmp->d);\n } else {\n if (bn_wexpand(tmp, max) == NULL)\n goto err;\n bn_sqr_normal(rr->d, a->d, al, tmp->d);\n }\n }\n#else\n if (bn_wexpand(tmp, max) == NULL)\n goto err;\n bn_sqr_normal(rr->d, a->d, al, tmp->d);\n#endif\n }\n rr->neg = 0;\n rr->top = max;\n rr->flags |= BN_FLG_FIXED_TOP;\n if (r != rr && BN_copy(r, rr) == NULL)\n goto err;\n ret = 1;\n err:\n bn_check_top(rr);\n bn_check_top(tmp);\n BN_CTX_end(ctx);\n return ret;\n}', 'void bn_sqr_normal(BN_ULONG *r, const BN_ULONG *a, int n, BN_ULONG *tmp)\n{\n int i, j, max;\n const BN_ULONG *ap;\n BN_ULONG *rp;\n max = n * 2;\n ap = a;\n rp = r;\n rp[0] = rp[max - 1] = 0;\n rp++;\n j = n;\n if (--j > 0) {\n ap++;\n rp[j] = bn_mul_words(rp, ap, j, ap[-1]);\n rp += 2;\n }\n for (i = n - 2; i > 0; i--) {\n j--;\n ap++;\n rp[j] = bn_mul_add_words(rp, ap, j, ap[-1]);\n rp += 2;\n }\n bn_add_words(r, r, r, max);\n bn_sqr_words(tmp, a, n);\n bn_add_words(r, r, tmp, max);\n}'] |
11,741 | 0 | https://github.com/openssl/openssl/blob/8da94770f0a049497b1a52ee469cca1f4a13b1a7/crypto/bn/bn_sqr.c/#L162 | void bn_sqr_normal(BN_ULONG *r, const BN_ULONG *a, int n, BN_ULONG *tmp)
{
int i, j, max;
const BN_ULONG *ap;
BN_ULONG *rp;
max = n * 2;
ap = a;
rp = r;
rp[0] = rp[max - 1] = 0;
rp++;
j = n;
if (--j > 0) {
ap++;
rp[j] = bn_mul_words(rp, ap, j, ap[-1]);
rp += 2;
}
for (i = n - 2; i > 0; i--) {
j--;
ap++;
rp[j] = bn_mul_add_words(rp, ap, j, ap[-1]);
rp += 2;
}
bn_add_words(r, r, r, max);
bn_sqr_words(tmp, a, n);
bn_add_words(r, r, tmp, max);
} | ['int BN_mod_mul_montgomery(BIGNUM *r, const BIGNUM *a, const BIGNUM *b,\n BN_MONT_CTX *mont, BN_CTX *ctx)\n{\n BIGNUM *tmp;\n int ret = 0;\n#if defined(OPENSSL_BN_ASM_MONT) && defined(MONT_WORD)\n int num = mont->N.top;\n if (num > 1 && a->top == num && b->top == num) {\n if (bn_wexpand(r, num) == NULL)\n return (0);\n if (bn_mul_mont(r->d, a->d, b->d, mont->N.d, mont->n0, num)) {\n r->neg = a->neg ^ b->neg;\n r->top = num;\n bn_correct_top(r);\n return (1);\n }\n }\n#endif\n BN_CTX_start(ctx);\n tmp = BN_CTX_get(ctx);\n if (tmp == NULL)\n goto err;\n bn_check_top(tmp);\n if (a == b) {\n if (!BN_sqr(tmp, a, ctx))\n goto err;\n } else {\n if (!BN_mul(tmp, a, b, ctx))\n goto err;\n }\n#ifdef MONT_WORD\n if (!BN_from_montgomery_word(r, tmp, mont))\n goto err;\n#else\n if (!BN_from_montgomery(r, tmp, mont, ctx))\n goto err;\n#endif\n bn_check_top(r);\n ret = 1;\n err:\n BN_CTX_end(ctx);\n return (ret);\n}', 'BIGNUM *BN_CTX_get(BN_CTX *ctx)\n{\n BIGNUM *ret;\n CTXDBG_ENTRY("BN_CTX_get", ctx);\n if (ctx->err_stack || ctx->too_many)\n return NULL;\n if ((ret = BN_POOL_get(&ctx->pool, ctx->flags)) == NULL) {\n ctx->too_many = 1;\n BNerr(BN_F_BN_CTX_GET, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n return NULL;\n }\n BN_zero(ret);\n ctx->used++;\n CTXDBG_RET(ctx, ret);\n return ret;\n}', 'int BN_set_word(BIGNUM *a, BN_ULONG w)\n{\n bn_check_top(a);\n if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)\n return (0);\n a->neg = 0;\n a->d[0] = w;\n a->top = (w ? 1 : 0);\n bn_check_top(a);\n return (1);\n}', 'int BN_sqr(BIGNUM *r, const BIGNUM *a, BN_CTX *ctx)\n{\n int max, al;\n int ret = 0;\n BIGNUM *tmp, *rr;\n bn_check_top(a);\n al = a->top;\n if (al <= 0) {\n r->top = 0;\n r->neg = 0;\n return 1;\n }\n BN_CTX_start(ctx);\n rr = (a != r) ? r : BN_CTX_get(ctx);\n tmp = BN_CTX_get(ctx);\n if (!rr || !tmp)\n goto err;\n max = 2 * al;\n if (bn_wexpand(rr, max) == NULL)\n goto err;\n if (al == 4) {\n#ifndef BN_SQR_COMBA\n BN_ULONG t[8];\n bn_sqr_normal(rr->d, a->d, 4, t);\n#else\n bn_sqr_comba4(rr->d, a->d);\n#endif\n } else if (al == 8) {\n#ifndef BN_SQR_COMBA\n BN_ULONG t[16];\n bn_sqr_normal(rr->d, a->d, 8, t);\n#else\n bn_sqr_comba8(rr->d, a->d);\n#endif\n } else {\n#if defined(BN_RECURSION)\n if (al < BN_SQR_RECURSIVE_SIZE_NORMAL) {\n BN_ULONG t[BN_SQR_RECURSIVE_SIZE_NORMAL * 2];\n bn_sqr_normal(rr->d, a->d, al, t);\n } else {\n int j, k;\n j = BN_num_bits_word((BN_ULONG)al);\n j = 1 << (j - 1);\n k = j + j;\n if (al == j) {\n if (bn_wexpand(tmp, k * 2) == NULL)\n goto err;\n bn_sqr_recursive(rr->d, a->d, al, tmp->d);\n } else {\n if (bn_wexpand(tmp, max) == NULL)\n goto err;\n bn_sqr_normal(rr->d, a->d, al, tmp->d);\n }\n }\n#else\n if (bn_wexpand(tmp, max) == NULL)\n goto err;\n bn_sqr_normal(rr->d, a->d, al, tmp->d);\n#endif\n }\n rr->neg = 0;\n if (a->d[al - 1] == (a->d[al - 1] & BN_MASK2l))\n rr->top = max - 1;\n else\n rr->top = max;\n if (rr != r)\n BN_copy(r, rr);\n ret = 1;\n err:\n bn_check_top(rr);\n bn_check_top(tmp);\n BN_CTX_end(ctx);\n return (ret);\n}', 'void bn_sqr_normal(BN_ULONG *r, const BN_ULONG *a, int n, BN_ULONG *tmp)\n{\n int i, j, max;\n const BN_ULONG *ap;\n BN_ULONG *rp;\n max = n * 2;\n ap = a;\n rp = r;\n rp[0] = rp[max - 1] = 0;\n rp++;\n j = n;\n if (--j > 0) {\n ap++;\n rp[j] = bn_mul_words(rp, ap, j, ap[-1]);\n rp += 2;\n }\n for (i = n - 2; i > 0; i--) {\n j--;\n ap++;\n rp[j] = bn_mul_add_words(rp, ap, j, ap[-1]);\n rp += 2;\n }\n bn_add_words(r, r, r, max);\n bn_sqr_words(tmp, a, n);\n bn_add_words(r, r, tmp, max);\n}'] |
11,742 | 0 | https://github.com/libav/libav/blob/3a84713aaa5a0f83cbb3fdca62c83df609822c9c/libavformat/oggparseflac.c/#L41 | static int
flac_header (AVFormatContext * s, int idx)
{
struct ogg *ogg = s->priv_data;
struct ogg_stream *os = ogg->streams + idx;
AVStream *st = s->streams[idx];
GetBitContext gb;
int mdt;
if (os->buf[os->pstart] == 0xff)
return 0;
init_get_bits(&gb, os->buf + os->pstart, os->psize*8);
get_bits(&gb, 1);
mdt = get_bits(&gb, 7);
if (mdt == 0x7f) {
skip_bits(&gb, 4*8);
if(get_bits(&gb, 8) != 1)
return -1;
skip_bits(&gb, 8 + 16);
skip_bits(&gb, 4*8);
if (get_bits_long(&gb, 32) != FLAC_STREAMINFO_SIZE)
return -1;
skip_bits(&gb, 16*2+24*2);
st->codec->sample_rate = get_bits_long(&gb, 20);
st->codec->channels = get_bits(&gb, 3) + 1;
st->codec->codec_type = CODEC_TYPE_AUDIO;
st->codec->codec_id = CODEC_ID_FLAC;
st->codec->extradata =
av_malloc(FLAC_STREAMINFO_SIZE + FF_INPUT_BUFFER_PADDING_SIZE);
memcpy (st->codec->extradata, os->buf + os->pstart + 5 + 4 + 4 + 4,
FLAC_STREAMINFO_SIZE);
st->codec->extradata_size = FLAC_STREAMINFO_SIZE;
st->time_base.num = 1;
st->time_base.den = st->codec->sample_rate;
} else if (mdt == 4) {
vorbis_comment (s, os->buf + os->pstart + 4, os->psize - 4);
}
return 1;
} | ['static int\nflac_header (AVFormatContext * s, int idx)\n{\n struct ogg *ogg = s->priv_data;\n struct ogg_stream *os = ogg->streams + idx;\n AVStream *st = s->streams[idx];\n GetBitContext gb;\n int mdt;\n if (os->buf[os->pstart] == 0xff)\n return 0;\n init_get_bits(&gb, os->buf + os->pstart, os->psize*8);\n get_bits(&gb, 1);\n mdt = get_bits(&gb, 7);\n if (mdt == 0x7f) {\n skip_bits(&gb, 4*8);\n if(get_bits(&gb, 8) != 1)\n return -1;\n skip_bits(&gb, 8 + 16);\n skip_bits(&gb, 4*8);\n if (get_bits_long(&gb, 32) != FLAC_STREAMINFO_SIZE)\n return -1;\n skip_bits(&gb, 16*2+24*2);\n st->codec->sample_rate = get_bits_long(&gb, 20);\n st->codec->channels = get_bits(&gb, 3) + 1;\n st->codec->codec_type = CODEC_TYPE_AUDIO;\n st->codec->codec_id = CODEC_ID_FLAC;\n st->codec->extradata =\n av_malloc(FLAC_STREAMINFO_SIZE + FF_INPUT_BUFFER_PADDING_SIZE);\n memcpy (st->codec->extradata, os->buf + os->pstart + 5 + 4 + 4 + 4,\n FLAC_STREAMINFO_SIZE);\n st->codec->extradata_size = FLAC_STREAMINFO_SIZE;\n st->time_base.num = 1;\n st->time_base.den = st->codec->sample_rate;\n } else if (mdt == 4) {\n vorbis_comment (s, os->buf + os->pstart + 4, os->psize - 4);\n }\n return 1;\n}', 'static inline void init_get_bits(GetBitContext *s,\n const uint8_t *buffer, int bit_size)\n{\n int buffer_size= (bit_size+7)>>3;\n if(buffer_size < 0 || bit_size < 0) {\n buffer_size = bit_size = 0;\n buffer = NULL;\n }\n s->buffer= buffer;\n s->size_in_bits= bit_size;\n s->buffer_end= buffer + buffer_size;\n#ifdef ALT_BITSTREAM_READER\n s->index=0;\n#elif defined LIBMPEG2_BITSTREAM_READER\n s->buffer_ptr = (uint8_t*)((intptr_t)buffer&(~1));\n s->bit_count = 16 + 8*((intptr_t)buffer&1);\n skip_bits_long(s, 0);\n#elif defined A32_BITSTREAM_READER\n s->buffer_ptr = (uint32_t*)((intptr_t)buffer&(~3));\n s->bit_count = 32 + 8*((intptr_t)buffer&3);\n skip_bits_long(s, 0);\n#endif\n}', 'static inline unsigned int get_bits(GetBitContext *s, int n){\n register int tmp;\n OPEN_READER(re, s)\n UPDATE_CACHE(re, s)\n tmp= SHOW_UBITS(re, s, n);\n LAST_SKIP_BITS(re, s, n)\n CLOSE_READER(re, s)\n return tmp;\n}'] |
11,743 | 0 | https://github.com/openssl/openssl/blob/18e1e302452e6dea4500b6f981cee7e151294dea/crypto/bn/bn_ctx.c/#L268 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | ['int BN_mod_exp_mont(BIGNUM *rr, const BIGNUM *a, const BIGNUM *p,\n const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont)\n{\n int i, j, bits, ret = 0, wstart, wend, window, wvalue;\n int start = 1;\n BIGNUM *d, *r;\n const BIGNUM *aa;\n BIGNUM *val[TABLE_SIZE];\n BN_MONT_CTX *mont = NULL;\n if (BN_get_flags(p, BN_FLG_CONSTTIME) != 0\n || BN_get_flags(a, BN_FLG_CONSTTIME) != 0\n || BN_get_flags(m, BN_FLG_CONSTTIME) != 0) {\n return BN_mod_exp_mont_consttime(rr, a, p, m, ctx, in_mont);\n }\n bn_check_top(a);\n bn_check_top(p);\n bn_check_top(m);\n if (!BN_is_odd(m)) {\n BNerr(BN_F_BN_MOD_EXP_MONT, BN_R_CALLED_WITH_EVEN_MODULUS);\n return 0;\n }\n bits = BN_num_bits(p);\n if (bits == 0) {\n if (BN_abs_is_word(m, 1)) {\n ret = 1;\n BN_zero(rr);\n } else {\n ret = BN_one(rr);\n }\n return ret;\n }\n BN_CTX_start(ctx);\n d = BN_CTX_get(ctx);\n r = BN_CTX_get(ctx);\n val[0] = BN_CTX_get(ctx);\n if (val[0] == NULL)\n goto err;\n if (in_mont != NULL)\n mont = in_mont;\n else {\n if ((mont = BN_MONT_CTX_new()) == NULL)\n goto err;\n if (!BN_MONT_CTX_set(mont, m, ctx))\n goto err;\n }\n if (a->neg || BN_ucmp(a, m) >= 0) {\n if (!BN_nnmod(val[0], a, m, ctx))\n goto err;\n aa = val[0];\n } else\n aa = a;\n if (!bn_to_mont_fixed_top(val[0], aa, mont, ctx))\n goto err;\n window = BN_window_bits_for_exponent_size(bits);\n if (window > 1) {\n if (!bn_mul_mont_fixed_top(d, val[0], val[0], mont, ctx))\n goto err;\n j = 1 << (window - 1);\n for (i = 1; i < j; i++) {\n if (((val[i] = BN_CTX_get(ctx)) == NULL) ||\n !bn_mul_mont_fixed_top(val[i], val[i - 1], d, mont, ctx))\n goto err;\n }\n }\n start = 1;\n wvalue = 0;\n wstart = bits - 1;\n wend = 0;\n#if 1\n j = m->top;\n if (m->d[j - 1] & (((BN_ULONG)1) << (BN_BITS2 - 1))) {\n if (bn_wexpand(r, j) == NULL)\n goto err;\n r->d[0] = (0 - m->d[0]) & BN_MASK2;\n for (i = 1; i < j; i++)\n r->d[i] = (~m->d[i]) & BN_MASK2;\n r->top = j;\n r->flags |= BN_FLG_FIXED_TOP;\n } else\n#endif\n if (!bn_to_mont_fixed_top(r, BN_value_one(), mont, ctx))\n goto err;\n for (;;) {\n if (BN_is_bit_set(p, wstart) == 0) {\n if (!start) {\n if (!bn_mul_mont_fixed_top(r, r, r, mont, ctx))\n goto err;\n }\n if (wstart == 0)\n break;\n wstart--;\n continue;\n }\n j = wstart;\n wvalue = 1;\n wend = 0;\n for (i = 1; i < window; i++) {\n if (wstart - i < 0)\n break;\n if (BN_is_bit_set(p, wstart - i)) {\n wvalue <<= (i - wend);\n wvalue |= 1;\n wend = i;\n }\n }\n j = wend + 1;\n if (!start)\n for (i = 0; i < j; i++) {\n if (!bn_mul_mont_fixed_top(r, r, r, mont, ctx))\n goto err;\n }\n if (!bn_mul_mont_fixed_top(r, r, val[wvalue >> 1], mont, ctx))\n goto err;\n wstart -= wend + 1;\n wvalue = 0;\n start = 0;\n if (wstart < 0)\n break;\n }\n#if defined(SPARC_T4_MONT)\n if (OPENSSL_sparcv9cap_P[0] & (SPARCV9_VIS3 | SPARCV9_PREFER_FPU)) {\n j = mont->N.top;\n val[0]->d[0] = 1;\n for (i = 1; i < j; i++)\n val[0]->d[i] = 0;\n val[0]->top = j;\n if (!BN_mod_mul_montgomery(rr, r, val[0], mont, ctx))\n goto err;\n } else\n#endif\n if (!BN_from_montgomery(rr, r, mont, ctx))\n goto err;\n ret = 1;\n err:\n if (in_mont == NULL)\n BN_MONT_CTX_free(mont);\n BN_CTX_end(ctx);\n bn_check_top(rr);\n return ret;\n}', 'void BN_CTX_start(BN_CTX *ctx)\n{\n CTXDBG("ENTER BN_CTX_start()", ctx);\n if (ctx->err_stack || ctx->too_many)\n ctx->err_stack++;\n else if (!BN_STACK_push(&ctx->stack, ctx->used)) {\n BNerr(BN_F_BN_CTX_START, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n ctx->err_stack++;\n }\n CTXDBG("LEAVE BN_CTX_start()", ctx);\n}', 'BIGNUM *BN_CTX_get(BN_CTX *ctx)\n{\n BIGNUM *ret;\n CTXDBG("ENTER BN_CTX_get()", ctx);\n if (ctx->err_stack || ctx->too_many)\n return NULL;\n if ((ret = BN_POOL_get(&ctx->pool, ctx->flags)) == NULL) {\n ctx->too_many = 1;\n BNerr(BN_F_BN_CTX_GET, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n return NULL;\n }\n BN_zero(ret);\n ret->flags &= (~BN_FLG_CONSTTIME);\n ctx->used++;\n CTXDBG("LEAVE BN_CTX_get()", ctx);\n return ret;\n}', 'int BN_nnmod(BIGNUM *r, const BIGNUM *m, const BIGNUM *d, BN_CTX *ctx)\n{\n if (!(BN_mod(r, m, d, ctx)))\n return 0;\n if (!r->neg)\n return 1;\n return (d->neg ? BN_sub : BN_add) (r, r, d);\n}', 'int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,\n BN_CTX *ctx)\n{\n int ret;\n if (BN_is_zero(divisor)) {\n BNerr(BN_F_BN_DIV, BN_R_DIV_BY_ZERO);\n return 0;\n }\n if (divisor->d[divisor->top - 1] == 0) {\n BNerr(BN_F_BN_DIV, BN_R_NOT_INITIALIZED);\n return 0;\n }\n ret = bn_div_fixed_top(dv, rm, num, divisor, ctx);\n if (ret) {\n if (dv != NULL)\n bn_correct_top(dv);\n if (rm != NULL)\n bn_correct_top(rm);\n }\n return ret;\n}', 'int bn_div_fixed_top(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num,\n const BIGNUM *divisor, BN_CTX *ctx)\n{\n int norm_shift, i, j, loop;\n BIGNUM *tmp, *snum, *sdiv, *res;\n BN_ULONG *resp, *wnum, *wnumtop;\n BN_ULONG d0, d1;\n int num_n, div_n;\n assert(divisor->top > 0 && divisor->d[divisor->top - 1] != 0);\n bn_check_top(num);\n bn_check_top(divisor);\n bn_check_top(dv);\n bn_check_top(rm);\n BN_CTX_start(ctx);\n res = (dv == NULL) ? BN_CTX_get(ctx) : dv;\n tmp = BN_CTX_get(ctx);\n snum = BN_CTX_get(ctx);\n sdiv = BN_CTX_get(ctx);\n if (sdiv == NULL)\n goto err;\n if (!BN_copy(sdiv, divisor))\n goto err;\n norm_shift = bn_left_align(sdiv);\n sdiv->neg = 0;\n if (!(bn_lshift_fixed_top(snum, num, norm_shift)))\n goto err;\n div_n = sdiv->top;\n num_n = snum->top;\n if (num_n <= div_n) {\n if (bn_wexpand(snum, div_n + 1) == NULL)\n goto err;\n memset(&(snum->d[num_n]), 0, (div_n - num_n + 1) * sizeof(BN_ULONG));\n snum->top = num_n = div_n + 1;\n }\n loop = num_n - div_n;\n wnum = &(snum->d[loop]);\n wnumtop = &(snum->d[num_n - 1]);\n d0 = sdiv->d[div_n - 1];\n d1 = (div_n == 1) ? 0 : sdiv->d[div_n - 2];\n if (!bn_wexpand(res, loop))\n goto err;\n res->neg = (num->neg ^ divisor->neg);\n res->top = loop;\n res->flags |= BN_FLG_FIXED_TOP;\n resp = &(res->d[loop]);\n if (!bn_wexpand(tmp, (div_n + 1)))\n goto err;\n for (i = 0; i < loop; i++, wnumtop--) {\n BN_ULONG q, l0;\n# if defined(BN_DIV3W)\n q = bn_div_3_words(wnumtop, d1, d0);\n# else\n BN_ULONG n0, n1, rem = 0;\n n0 = wnumtop[0];\n n1 = wnumtop[-1];\n if (n0 == d0)\n q = BN_MASK2;\n else {\n BN_ULONG n2 = (wnumtop == wnum) ? 0 : wnumtop[-2];\n# ifdef BN_LLONG\n BN_ULLONG t2;\n# if defined(BN_LLONG) && defined(BN_DIV2W) && !defined(bn_div_words)\n q = (BN_ULONG)(((((BN_ULLONG) n0) << BN_BITS2) | n1) / d0);\n# else\n q = bn_div_words(n0, n1, d0);\n# endif\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n t2 = (BN_ULLONG) d1 *q;\n for (;;) {\n if (t2 <= ((((BN_ULLONG) rem) << BN_BITS2) | n2))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n t2 -= d1;\n }\n# else\n BN_ULONG t2l, t2h;\n q = bn_div_words(n0, n1, d0);\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n# if defined(BN_UMULT_LOHI)\n BN_UMULT_LOHI(t2l, t2h, d1, q);\n# elif defined(BN_UMULT_HIGH)\n t2l = d1 * q;\n t2h = BN_UMULT_HIGH(d1, q);\n# else\n {\n BN_ULONG ql, qh;\n t2l = LBITS(d1);\n t2h = HBITS(d1);\n ql = LBITS(q);\n qh = HBITS(q);\n mul64(t2l, t2h, ql, qh);\n }\n# endif\n for (;;) {\n if ((t2h < rem) || ((t2h == rem) && (t2l <= n2)))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n if (t2l < d1)\n t2h--;\n t2l -= d1;\n }\n# endif\n }\n# endif\n l0 = bn_mul_words(tmp->d, sdiv->d, div_n, q);\n tmp->d[div_n] = l0;\n wnum--;\n l0 = bn_sub_words(wnum, wnum, tmp->d, div_n + 1);\n q -= l0;\n for (l0 = 0 - l0, j = 0; j < div_n; j++)\n tmp->d[j] = sdiv->d[j] & l0;\n l0 = bn_add_words(wnum, wnum, tmp->d, div_n);\n (*wnumtop) += l0;\n assert((*wnumtop) == 0);\n *--resp = q;\n }\n snum->neg = num->neg;\n snum->top = div_n;\n snum->flags |= BN_FLG_FIXED_TOP;\n if (rm != NULL)\n bn_rshift_fixed_top(rm, snum, norm_shift);\n BN_CTX_end(ctx);\n return 1;\n err:\n bn_check_top(rm);\n BN_CTX_end(ctx);\n return 0;\n}', 'void BN_CTX_end(BN_CTX *ctx)\n{\n CTXDBG("ENTER BN_CTX_end()", ctx);\n if (ctx->err_stack)\n ctx->err_stack--;\n else {\n unsigned int fp = BN_STACK_pop(&ctx->stack);\n if (fp < ctx->used)\n BN_POOL_release(&ctx->pool, ctx->used - fp);\n ctx->used = fp;\n ctx->too_many = 0;\n }\n CTXDBG("LEAVE BN_CTX_end()", ctx);\n}', 'static unsigned int BN_STACK_pop(BN_STACK *st)\n{\n return st->indexes[--(st->depth)];\n}'] |
11,744 | 0 | https://github.com/openssl/openssl/blob/8da94770f0a049497b1a52ee469cca1f4a13b1a7/crypto/bn/bn_ctx.c/#L328 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | ['int RSA_X931_generate_key_ex(RSA *rsa, int bits, const BIGNUM *e,\n BN_GENCB *cb)\n{\n int ok = 0;\n BIGNUM *Xp = NULL, *Xq = NULL;\n BN_CTX *ctx = NULL;\n ctx = BN_CTX_new();\n if (ctx == NULL)\n goto error;\n BN_CTX_start(ctx);\n Xp = BN_CTX_get(ctx);\n Xq = BN_CTX_get(ctx);\n if (!BN_X931_generate_Xpq(Xp, Xq, bits, ctx))\n goto error;\n rsa->p = BN_new();\n rsa->q = BN_new();\n if (rsa->p == NULL || rsa->q == NULL)\n goto error;\n if (!BN_X931_generate_prime_ex(rsa->p, NULL, NULL, NULL, NULL, Xp,\n e, ctx, cb))\n goto error;\n if (!BN_X931_generate_prime_ex(rsa->q, NULL, NULL, NULL, NULL, Xq,\n e, ctx, cb))\n goto error;\n if (!RSA_X931_derive_ex(rsa, NULL, NULL, NULL, NULL,\n NULL, NULL, NULL, NULL, NULL, NULL, e, cb))\n goto error;\n ok = 1;\n error:\n if (ctx)\n BN_CTX_end(ctx);\n BN_CTX_free(ctx);\n if (ok)\n return 1;\n return 0;\n}', 'void BN_CTX_start(BN_CTX *ctx)\n{\n CTXDBG_ENTRY("BN_CTX_start", ctx);\n if (ctx->err_stack || ctx->too_many)\n ctx->err_stack++;\n else if (!BN_STACK_push(&ctx->stack, ctx->used)) {\n BNerr(BN_F_BN_CTX_START, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n ctx->err_stack++;\n }\n CTXDBG_EXIT(ctx);\n}', 'int BN_X931_generate_Xpq(BIGNUM *Xp, BIGNUM *Xq, int nbits, BN_CTX *ctx)\n{\n BIGNUM *t;\n int i;\n if ((nbits < 1024) || (nbits & 0xff))\n return 0;\n nbits >>= 1;\n if (!BN_rand(Xp, nbits, 1, 0))\n goto err;\n BN_CTX_start(ctx);\n t = BN_CTX_get(ctx);\n for (i = 0; i < 1000; i++) {\n if (!BN_rand(Xq, nbits, 1, 0))\n goto err;\n BN_sub(t, Xp, Xq);\n if (BN_num_bits(t) > (nbits - 100))\n break;\n }\n BN_CTX_end(ctx);\n if (i < 1000)\n return 1;\n return 0;\n err:\n BN_CTX_end(ctx);\n return 0;\n}', 'void BN_CTX_end(BN_CTX *ctx)\n{\n CTXDBG_ENTRY("BN_CTX_end", ctx);\n if (ctx->err_stack)\n ctx->err_stack--;\n else {\n unsigned int fp = BN_STACK_pop(&ctx->stack);\n if (fp < ctx->used)\n BN_POOL_release(&ctx->pool, ctx->used - fp);\n ctx->used = fp;\n ctx->too_many = 0;\n }\n CTXDBG_EXIT(ctx);\n}', 'static unsigned int BN_STACK_pop(BN_STACK *st)\n{\n return st->indexes[--(st->depth)];\n}'] |
11,745 | 0 | https://github.com/openssl/openssl/blob/ea32151f7b9353f8906188d007c6893704ac17bb/crypto/dsa/dsa_lib.c/#L108 | DSA *DSA_new_method(ENGINE *engine)
{
DSA *ret = OPENSSL_zalloc(sizeof(*ret));
if (ret == NULL) {
DSAerr(DSA_F_DSA_NEW_METHOD, ERR_R_MALLOC_FAILURE);
return NULL;
}
ret->references = 1;
ret->lock = CRYPTO_THREAD_lock_new();
if (ret->lock == NULL) {
OPENSSL_free(ret);
return NULL;
}
ret->meth = DSA_get_default_method();
#ifndef OPENSSL_NO_ENGINE
ret->flags = ret->meth->flags & ~DSA_FLAG_NON_FIPS_ALLOW;
if (engine) {
if (!ENGINE_init(engine)) {
DSAerr(DSA_F_DSA_NEW_METHOD, ERR_R_ENGINE_LIB);
goto err;
}
ret->engine = engine;
} else
ret->engine = ENGINE_get_default_DSA();
if (ret->engine) {
ret->meth = ENGINE_get_DSA(ret->engine);
if (ret->meth == NULL) {
DSAerr(DSA_F_DSA_NEW_METHOD, ERR_R_ENGINE_LIB);
goto err;
}
}
#endif
ret->flags = ret->meth->flags & ~DSA_FLAG_NON_FIPS_ALLOW;
if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_DSA, ret, &ret->ex_data))
goto err;
if ((ret->meth->init != NULL) && !ret->meth->init(ret)) {
DSAerr(DSA_F_DSA_NEW_METHOD, ERR_R_INIT_FAIL);
err:
DSA_free(ret);
ret = NULL;
}
return ret;
} | ['DSA *DSA_new_method(ENGINE *engine)\n{\n DSA *ret = OPENSSL_zalloc(sizeof(*ret));\n if (ret == NULL) {\n DSAerr(DSA_F_DSA_NEW_METHOD, ERR_R_MALLOC_FAILURE);\n return NULL;\n }\n ret->references = 1;\n ret->lock = CRYPTO_THREAD_lock_new();\n if (ret->lock == NULL) {\n OPENSSL_free(ret);\n return NULL;\n }\n ret->meth = DSA_get_default_method();\n#ifndef OPENSSL_NO_ENGINE\n ret->flags = ret->meth->flags & ~DSA_FLAG_NON_FIPS_ALLOW;\n if (engine) {\n if (!ENGINE_init(engine)) {\n DSAerr(DSA_F_DSA_NEW_METHOD, ERR_R_ENGINE_LIB);\n goto err;\n }\n ret->engine = engine;\n } else\n ret->engine = ENGINE_get_default_DSA();\n if (ret->engine) {\n ret->meth = ENGINE_get_DSA(ret->engine);\n if (ret->meth == NULL) {\n DSAerr(DSA_F_DSA_NEW_METHOD, ERR_R_ENGINE_LIB);\n goto err;\n }\n }\n#endif\n ret->flags = ret->meth->flags & ~DSA_FLAG_NON_FIPS_ALLOW;\n if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_DSA, ret, &ret->ex_data))\n goto err;\n if ((ret->meth->init != NULL) && !ret->meth->init(ret)) {\n DSAerr(DSA_F_DSA_NEW_METHOD, ERR_R_INIT_FAIL);\nerr:\n DSA_free(ret);\n ret = NULL;\n }\n return ret;\n}', 'void *CRYPTO_zalloc(size_t num, const char *file, int line)\n{\n void *ret = CRYPTO_malloc(num, file, line);\n if (ret != NULL)\n memset(ret, 0, num);\n return ret;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)\n return malloc_impl(num, file, line);\n if (num <= 0)\n return NULL;\n allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n osslargused(file); osslargused(line);\n ret = malloc(num);\n#endif\n return ret;\n}', 'CRYPTO_RWLOCK *CRYPTO_THREAD_lock_new(void)\n{\n CRYPTO_RWLOCK *lock = OPENSSL_zalloc(sizeof(pthread_rwlock_t));\n if (lock == NULL)\n return NULL;\n if (pthread_rwlock_init(lock, NULL) != 0) {\n OPENSSL_free(lock);\n return NULL;\n }\n return lock;\n}', 'const DSA_METHOD *DSA_get_default_method(void)\n{\n if (!default_DSA_method)\n default_DSA_method = DSA_OpenSSL();\n return default_DSA_method;\n}', 'ENGINE *ENGINE_get_default_DSA(void)\n{\n return engine_table_select(&dsa_table, dummy_nid);\n}', 'ENGINE *engine_table_select(ENGINE_TABLE **table, int nid)\n#else\nENGINE *engine_table_select_tmp(ENGINE_TABLE **table, int nid, const char *f,\n int l)\n#endif\n{\n ENGINE *ret = NULL;\n ENGINE_PILE tmplate, *fnd = NULL;\n int initres, loop = 0;\n if (!(*table)) {\n#ifdef ENGINE_TABLE_DEBUG\n fprintf(stderr, "engine_table_dbg: %s:%d, nid=%d, nothing "\n "registered!\\n", f, l, nid);\n#endif\n return NULL;\n }\n ERR_set_mark();\n CRYPTO_THREAD_write_lock(global_engine_lock);\n if (!int_table_check(table, 0))\n goto end;\n tmplate.nid = nid;\n fnd = lh_ENGINE_PILE_retrieve(&(*table)->piles, &tmplate);\n if (!fnd)\n goto end;\n if (fnd->funct && engine_unlocked_init(fnd->funct)) {\n#ifdef ENGINE_TABLE_DEBUG\n fprintf(stderr, "engine_table_dbg: %s:%d, nid=%d, using "\n "ENGINE \'%s\' cached\\n", f, l, nid, fnd->funct->id);\n#endif\n ret = fnd->funct;\n goto end;\n }\n if (fnd->uptodate) {\n ret = fnd->funct;\n goto end;\n }\n trynext:\n ret = sk_ENGINE_value(fnd->sk, loop++);\n if (!ret) {\n#ifdef ENGINE_TABLE_DEBUG\n fprintf(stderr, "engine_table_dbg: %s:%d, nid=%d, no "\n "registered implementations would initialise\\n", f, l, nid);\n#endif\n goto end;\n }\n if ((ret->funct_ref > 0) || !(table_flags & ENGINE_TABLE_FLAG_NOINIT))\n initres = engine_unlocked_init(ret);\n else\n initres = 0;\n if (initres) {\n if ((fnd->funct != ret) && engine_unlocked_init(ret)) {\n if (fnd->funct)\n engine_unlocked_finish(fnd->funct, 0);\n fnd->funct = ret;\n#ifdef ENGINE_TABLE_DEBUG\n fprintf(stderr, "engine_table_dbg: %s:%d, nid=%d, "\n "setting default to \'%s\'\\n", f, l, nid, ret->id);\n#endif\n }\n#ifdef ENGINE_TABLE_DEBUG\n fprintf(stderr, "engine_table_dbg: %s:%d, nid=%d, using "\n "newly initialised \'%s\'\\n", f, l, nid, ret->id);\n#endif\n goto end;\n }\n goto trynext;\n end:\n if (fnd)\n fnd->uptodate = 1;\n#ifdef ENGINE_TABLE_DEBUG\n if (ret)\n fprintf(stderr, "engine_table_dbg: %s:%d, nid=%d, caching "\n "ENGINE \'%s\'\\n", f, l, nid, ret->id);\n else\n fprintf(stderr, "engine_table_dbg: %s:%d, nid=%d, caching "\n "\'no matching ENGINE\'\\n", f, l, nid);\n#endif\n CRYPTO_THREAD_unlock(global_engine_lock);\n ERR_pop_to_mark();\n return ret;\n}', 'int CRYPTO_new_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad)\n{\n int mx, i;\n void *ptr;\n EX_CALLBACK **storage = NULL;\n EX_CALLBACK *stack[10];\n EX_CALLBACKS *ip = get_and_lock(class_index);\n if (ip == NULL)\n return 0;\n ad->sk = NULL;\n mx = sk_EX_CALLBACK_num(ip->meth);\n if (mx > 0) {\n if (mx < (int)OSSL_NELEM(stack))\n storage = stack;\n else\n storage = OPENSSL_malloc(sizeof(*storage) * mx);\n if (storage != NULL)\n for (i = 0; i < mx; i++)\n storage[i] = sk_EX_CALLBACK_value(ip->meth, i);\n }\n CRYPTO_THREAD_unlock(ex_data_lock);\n if (mx > 0 && storage == NULL) {\n CRYPTOerr(CRYPTO_F_CRYPTO_NEW_EX_DATA, ERR_R_MALLOC_FAILURE);\n return 0;\n }\n for (i = 0; i < mx; i++) {\n if (storage[i] && storage[i]->new_func) {\n ptr = CRYPTO_get_ex_data(ad, i);\n storage[i]->new_func(obj, ptr, ad, i,\n storage[i]->argl, storage[i]->argp);\n }\n }\n if (storage != stack)\n OPENSSL_free(storage);\n return 1;\n}', 'static EX_CALLBACKS *get_and_lock(int class_index)\n{\n EX_CALLBACKS *ip;\n if (class_index < 0 || class_index >= CRYPTO_EX_INDEX__COUNT) {\n CRYPTOerr(CRYPTO_F_GET_AND_LOCK, ERR_R_PASSED_INVALID_ARGUMENT);\n return NULL;\n }\n CRYPTO_THREAD_run_once(&ex_data_init, do_ex_data_init);\n if (ex_data_lock == NULL) {\n return NULL;\n }\n ip = &ex_data[class_index];\n CRYPTO_THREAD_write_lock(ex_data_lock);\n return ip;\n}', 'int CRYPTO_THREAD_run_once(CRYPTO_ONCE *once, void (*init)(void))\n{\n if (pthread_once(once, init) != 0)\n return 0;\n return 1;\n}', 'void DSA_free(DSA *r)\n{\n int i;\n if (r == NULL)\n return;\n CRYPTO_atomic_add(&r->references, -1, &i, r->lock);\n REF_PRINT_COUNT("DSA", r);\n if (i > 0)\n return;\n REF_ASSERT_ISNT(i < 0);\n if (r->meth->finish)\n r->meth->finish(r);\n#ifndef OPENSSL_NO_ENGINE\n ENGINE_finish(r->engine);\n#endif\n CRYPTO_free_ex_data(CRYPTO_EX_INDEX_DSA, r, &r->ex_data);\n CRYPTO_THREAD_lock_free(r->lock);\n BN_clear_free(r->p);\n BN_clear_free(r->q);\n BN_clear_free(r->g);\n BN_clear_free(r->pub_key);\n BN_clear_free(r->priv_key);\n OPENSSL_free(r);\n}', 'int CRYPTO_atomic_add(int *val, int amount, int *ret, CRYPTO_RWLOCK *lock)\n{\n#ifdef __ATOMIC_RELAXED\n *ret = __atomic_add_fetch(val, amount, __ATOMIC_RELAXED);\n#else\n if (!CRYPTO_THREAD_write_lock(lock))\n return 0;\n *val += amount;\n *ret = *val;\n if (!CRYPTO_THREAD_unlock(lock))\n return 0;\n#endif\n return 1;\n}'] |
11,746 | 0 | https://github.com/libav/libav/blob/fc322d6a70189da24dbd445c710bb214eb031ce7/libavcodec/bitstream.h/#L139 | 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;
} | ['int ff_mlp_read_major_sync(void *log, MLPHeaderInfo *mh, BitstreamContext *bc)\n{\n int ratebits, channel_arrangement, header_size;\n uint16_t checksum;\n assert(bitstream_tell(bc) == 0);\n header_size = ff_mlp_get_major_sync_size(bc->buffer, bc->size_in_bits >> 3);\n if (header_size < 0 || bc->size_in_bits < header_size << 3) {\n av_log(log, AV_LOG_ERROR, "packet too short, unable to read major sync\\n");\n return -1;\n }\n checksum = ff_mlp_checksum16(bc->buffer, header_size - 2);\n if (checksum != AV_RL16(bc->buffer + header_size - 2)) {\n av_log(log, AV_LOG_ERROR, "major sync info header checksum error\\n");\n return AVERROR_INVALIDDATA;\n }\n if (bitstream_read(bc, 24) != 0xf8726f)\n return AVERROR_INVALIDDATA;\n mh->stream_type = bitstream_read(bc, 8);\n mh->header_size = header_size;\n if (mh->stream_type == 0xbb) {\n mh->group1_bits = mlp_quants[bitstream_read(bc, 4)];\n mh->group2_bits = mlp_quants[bitstream_read(bc, 4)];\n ratebits = bitstream_read(bc, 4);\n mh->group1_samplerate = mlp_samplerate(ratebits);\n mh->group2_samplerate = mlp_samplerate(bitstream_read(bc, 4));\n bitstream_skip(bc, 11);\n channel_arrangement = bitstream_read(bc, 5);\n mh->channels_mlp = mlp_channels[channel_arrangement];\n mh->channel_layout_mlp = mlp_layout[channel_arrangement];\n } else if (mh->stream_type == 0xba) {\n mh->group1_bits = 24;\n mh->group2_bits = 0;\n ratebits = bitstream_read(bc, 4);\n mh->group1_samplerate = mlp_samplerate(ratebits);\n mh->group2_samplerate = 0;\n bitstream_skip(bc, 4);\n mh->channel_modifier_thd_stream0 = bitstream_read(bc, 2);\n mh->channel_modifier_thd_stream1 = bitstream_read(bc, 2);\n channel_arrangement = bitstream_read(bc, 5);\n mh->channels_thd_stream1 = truehd_channels(channel_arrangement);\n mh->channel_layout_thd_stream1 = truehd_layout(channel_arrangement);\n mh->channel_modifier_thd_stream2 = bitstream_read(bc, 2);\n channel_arrangement = bitstream_read(bc, 13);\n mh->channels_thd_stream2 = truehd_channels(channel_arrangement);\n mh->channel_layout_thd_stream2 = truehd_layout(channel_arrangement);\n } else\n return AVERROR_INVALIDDATA;\n mh->access_unit_size = 40 << (ratebits & 7);\n mh->access_unit_size_pow2 = 64 << (ratebits & 7);\n bitstream_skip(bc, 48);\n mh->is_vbr = bitstream_read_bit(bc);\n mh->peak_bitrate = (bitstream_read(bc, 15) * mh->group1_samplerate + 8) >> 4;\n mh->num_substreams = bitstream_read(bc, 4);\n bitstream_skip(bc, 4 + (header_size - 17) * 8);\n return 0;\n}', 'static inline uint32_t bitstream_read(BitstreamContext *bc, unsigned n)\n{\n if (!n)\n return 0;\n if (n > bc->bits_left) {\n refill_32(bc);\n if (bc->bits_left < 32)\n bc->bits_left = n;\n }\n return get_val(bc, n);\n}', 'static inline uint64_t get_val(BitstreamContext *bc, unsigned n)\n{\n#ifdef BITSTREAM_READER_LE\n uint64_t ret = bc->bits & ((UINT64_C(1) << n) - 1);\n bc->bits >>= n;\n#else\n uint64_t ret = bc->bits >> (64 - n);\n bc->bits <<= n;\n#endif\n bc->bits_left -= n;\n return ret;\n}'] |
11,747 | 0 | https://github.com/libav/libav/blob/48aef27f5232794e70ecef0d347b9f65e27a9bad/libavutil/samplefmt.c/#L124 | int av_samples_get_buffer_size(int *linesize, int nb_channels, int nb_samples,
enum AVSampleFormat sample_fmt, int align)
{
int line_size;
int sample_size = av_get_bytes_per_sample(sample_fmt);
int planar = av_sample_fmt_is_planar(sample_fmt);
if (!sample_size || nb_samples <= 0 || nb_channels <= 0)
return AVERROR(EINVAL);
if (!align) {
if (nb_samples > INT_MAX - 31)
return AVERROR(EINVAL);
align = 1;
nb_samples = FFALIGN(nb_samples, 32);
}
if (nb_channels > INT_MAX / align ||
(int64_t)nb_channels * nb_samples > (INT_MAX - (align * nb_channels)) / sample_size)
return AVERROR(EINVAL);
line_size = planar ? FFALIGN(nb_samples * sample_size, align) :
FFALIGN(nb_samples * sample_size * nb_channels, align);
if (linesize)
*linesize = line_size;
return planar ? line_size * nb_channels : line_size;
} | ['static int dca_decode_frame(AVCodecContext *avctx, void *data,\n int *got_frame_ptr, AVPacket *avpkt)\n{\n AVFrame *frame = data;\n const uint8_t *buf = avpkt->data;\n int buf_size = avpkt->size;\n int lfe_samples;\n int num_core_channels = 0;\n int i, ret;\n float **samples_flt;\n DCAContext *s = avctx->priv_data;\n int channels, full_channels;\n int core_ss_end;\n int upsample = 0;\n s->exss_ext_mask = 0;\n s->xch_present = 0;\n s->dca_buffer_size = ff_dca_convert_bitstream(buf, buf_size, s->dca_buffer,\n DCA_MAX_FRAME_SIZE + DCA_MAX_EXSS_HEADER_SIZE);\n if (s->dca_buffer_size == AVERROR_INVALIDDATA) {\n av_log(avctx, AV_LOG_ERROR, "Not a valid DCA frame\\n");\n return AVERROR_INVALIDDATA;\n }\n if ((ret = dca_parse_frame_header(s)) < 0) {\n return ret;\n }\n avctx->sample_rate = s->sample_rate;\n avctx->bit_rate = s->bit_rate;\n s->profile = FF_PROFILE_DTS;\n for (i = 0; i < (s->sample_blocks / 8); i++) {\n if ((ret = dca_decode_block(s, 0, i))) {\n av_log(avctx, AV_LOG_ERROR, "error decoding block\\n");\n return ret;\n }\n }\n num_core_channels = s->prim_channels;\n if (s->ext_coding)\n s->core_ext_mask = dca_ext_audio_descr_mask[s->ext_descr];\n else\n s->core_ext_mask = 0;\n core_ss_end = FFMIN(s->frame_size, s->dca_buffer_size) * 8;\n if (s->core_ext_mask < 0 || s->core_ext_mask & DCA_EXT_XCH) {\n s->core_ext_mask = FFMAX(s->core_ext_mask, 0);\n skip_bits_long(&s->gb, (-get_bits_count(&s->gb)) & 31);\n while (core_ss_end - get_bits_count(&s->gb) >= 32) {\n uint32_t bits = get_bits_long(&s->gb, 32);\n switch (bits) {\n case DCA_SYNCWORD_XCH: {\n int ext_amode, xch_fsize;\n s->xch_base_channel = s->prim_channels;\n xch_fsize = show_bits(&s->gb, 10);\n if ((s->frame_size != (get_bits_count(&s->gb) >> 3) - 4 + xch_fsize) &&\n (s->frame_size != (get_bits_count(&s->gb) >> 3) - 4 + xch_fsize + 1))\n continue;\n skip_bits(&s->gb, 10);\n s->core_ext_mask |= DCA_EXT_XCH;\n if ((ext_amode = get_bits(&s->gb, 4)) != 1) {\n av_log(avctx, AV_LOG_ERROR,\n "XCh extension amode %d not supported!\\n",\n ext_amode);\n continue;\n }\n dca_parse_audio_coding_header(s, s->xch_base_channel);\n for (i = 0; i < (s->sample_blocks / 8); i++)\n if ((ret = dca_decode_block(s, s->xch_base_channel, i))) {\n av_log(avctx, AV_LOG_ERROR, "error decoding XCh extension\\n");\n continue;\n }\n s->xch_present = 1;\n break;\n }\n case DCA_SYNCWORD_XXCH:\n s->core_ext_mask |= DCA_EXT_XXCH;\n break;\n case 0x1d95f262: {\n int fsize96 = show_bits(&s->gb, 12) + 1;\n if (s->frame_size != (get_bits_count(&s->gb) >> 3) - 4 + fsize96)\n continue;\n av_log(avctx, AV_LOG_DEBUG, "X96 extension found at %d bits\\n",\n get_bits_count(&s->gb));\n skip_bits(&s->gb, 12);\n av_log(avctx, AV_LOG_DEBUG, "FSIZE96 = %d bytes\\n", fsize96);\n av_log(avctx, AV_LOG_DEBUG, "REVNO = %d\\n", get_bits(&s->gb, 4));\n s->core_ext_mask |= DCA_EXT_X96;\n break;\n }\n }\n skip_bits_long(&s->gb, (-get_bits_count(&s->gb)) & 31);\n }\n } else {\n skip_bits_long(&s->gb, core_ss_end - get_bits_count(&s->gb));\n }\n if (s->core_ext_mask & DCA_EXT_X96)\n s->profile = FF_PROFILE_DTS_96_24;\n else if (s->core_ext_mask & (DCA_EXT_XCH | DCA_EXT_XXCH))\n s->profile = FF_PROFILE_DTS_ES;\n if (s->dca_buffer_size - s->frame_size > 32 &&\n get_bits_long(&s->gb, 32) == DCA_SYNCWORD_SUBSTREAM)\n ff_dca_exss_parse_header(s);\n avctx->profile = s->profile;\n full_channels = channels = s->prim_channels + !!s->lfe;\n if (s->amode < 16) {\n avctx->channel_layout = dca_core_channel_layout[s->amode];\n if (s->prim_channels + !!s->lfe > 2 &&\n avctx->request_channel_layout == AV_CH_LAYOUT_STEREO) {\n s->xch_disable = 1;\n }\n#if FF_API_REQUEST_CHANNELS\nFF_DISABLE_DEPRECATION_WARNINGS\n if (s->xch_present && !s->xch_disable &&\n (!avctx->request_channels ||\n avctx->request_channels > num_core_channels + !!s->lfe)) {\nFF_ENABLE_DEPRECATION_WARNINGS\n#else\n if (s->xch_present && !s->xch_disable) {\n#endif\n avctx->channel_layout |= AV_CH_BACK_CENTER;\n if (s->lfe) {\n avctx->channel_layout |= AV_CH_LOW_FREQUENCY;\n s->channel_order_tab = ff_dca_channel_reorder_lfe_xch[s->amode];\n } else {\n s->channel_order_tab = ff_dca_channel_reorder_nolfe_xch[s->amode];\n }\n } else {\n channels = num_core_channels + !!s->lfe;\n s->xch_present = 0;\n if (s->lfe) {\n avctx->channel_layout |= AV_CH_LOW_FREQUENCY;\n s->channel_order_tab = ff_dca_channel_reorder_lfe[s->amode];\n } else\n s->channel_order_tab = ff_dca_channel_reorder_nolfe[s->amode];\n }\n if (channels > !!s->lfe &&\n s->channel_order_tab[channels - 1 - !!s->lfe] < 0)\n return AVERROR_INVALIDDATA;\n if (num_core_channels + !!s->lfe > 2 &&\n avctx->request_channel_layout == AV_CH_LAYOUT_STEREO) {\n channels = 2;\n s->output = s->prim_channels == 2 ? s->amode : DCA_STEREO;\n avctx->channel_layout = AV_CH_LAYOUT_STEREO;\n if (s->core_downmix && (s->core_downmix_amode == DCA_STEREO ||\n s->core_downmix_amode == DCA_STEREO_TOTAL)) {\n for (i = 0; i < num_core_channels + !!s->lfe; i++) {\n s->downmix_coef[i][0] = dca_dmix_code(s->core_downmix_codes[i][0]);\n s->downmix_coef[i][1] = dca_dmix_code(s->core_downmix_codes[i][1]);\n }\n s->output = s->core_downmix_amode;\n } else {\n int am = s->amode & DCA_CHANNEL_MASK;\n if (am >= FF_ARRAY_ELEMS(ff_dca_default_coeffs)) {\n av_log(s->avctx, AV_LOG_ERROR,\n "Invalid channel mode %d\\n", am);\n return AVERROR_INVALIDDATA;\n }\n if (num_core_channels + !!s->lfe >\n FF_ARRAY_ELEMS(ff_dca_default_coeffs[0])) {\n avpriv_request_sample(s->avctx, "Downmixing %d channels",\n s->prim_channels + !!s->lfe);\n return AVERROR_PATCHWELCOME;\n }\n for (i = 0; i < num_core_channels + !!s->lfe; i++) {\n s->downmix_coef[i][0] = ff_dca_default_coeffs[am][i][0];\n s->downmix_coef[i][1] = ff_dca_default_coeffs[am][i][1];\n }\n }\n av_dlog(s->avctx, "Stereo downmix coeffs:\\n");\n for (i = 0; i < num_core_channels + !!s->lfe; i++) {\n av_dlog(s->avctx, "L, input channel %d = %f\\n", i,\n s->downmix_coef[i][0]);\n av_dlog(s->avctx, "R, input channel %d = %f\\n", i,\n s->downmix_coef[i][1]);\n }\n av_dlog(s->avctx, "\\n");\n }\n } else {\n av_log(avctx, AV_LOG_ERROR, "Non standard configuration %d !\\n", s->amode);\n return AVERROR_INVALIDDATA;\n }\n avctx->channels = channels;\n frame->nb_samples = 256 * (s->sample_blocks / 8);\n if (s->exss_ext_mask & DCA_EXT_EXSS_XLL) {\n int xll_nb_samples = s->xll_segments * s->xll_smpl_in_seg;\n if (s->xll_residual_channels > channels) {\n av_log(s->avctx, AV_LOG_WARNING,\n "DCA: too many residual channels (%d, core channels %d). Disabling XLL\\n",\n s->xll_residual_channels, channels);\n s->exss_ext_mask &= ~DCA_EXT_EXSS_XLL;\n } else if (xll_nb_samples != frame->nb_samples &&\n 2 * frame->nb_samples != xll_nb_samples) {\n av_log(s->avctx, AV_LOG_WARNING,\n "DCA: unsupported upsampling (%d XLL samples, %d core samples). Disabling XLL\\n",\n xll_nb_samples, frame->nb_samples);\n s->exss_ext_mask &= ~DCA_EXT_EXSS_XLL;\n } else {\n if (2 * frame->nb_samples == xll_nb_samples) {\n av_log(s->avctx, AV_LOG_INFO,\n "XLL: upsampling core channels by a factor of 2\\n");\n upsample = 1;\n frame->nb_samples = xll_nb_samples;\n avctx->sample_rate = s->xll_chsets[0].sampling_frequency;\n }\n if (!s->xch_disable)\n avctx->channels += s->xll_channels - s->xll_residual_channels;\n }\n }\n if (av_get_channel_layout_nb_channels(avctx->channel_layout) != avctx->channels)\n avctx->channel_layout = 0;\n if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) {\n av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\\n");\n return ret;\n }\n samples_flt = (float **) frame->extended_data;\n if (avctx->channels < full_channels) {\n ret = av_samples_get_buffer_size(NULL, full_channels - channels,\n frame->nb_samples,\n avctx->sample_fmt, 0);\n if (ret < 0)\n return ret;\n av_fast_malloc(&s->extra_channels_buffer,\n &s->extra_channels_buffer_size, ret);\n if (!s->extra_channels_buffer)\n return AVERROR(ENOMEM);\n ret = av_samples_fill_arrays((uint8_t **) s->extra_channels, NULL,\n s->extra_channels_buffer,\n full_channels - channels,\n frame->nb_samples, avctx->sample_fmt, 0);\n if (ret < 0)\n return ret;\n }\n for (i = 0; i < (s->sample_blocks / 8); i++) {\n int ch;\n unsigned block = upsample ? 512 : 256;\n for (ch = 0; ch < channels; ch++)\n s->samples_chanptr[ch] = samples_flt[ch] + i * block;\n for (; ch < full_channels; ch++)\n s->samples_chanptr[ch] = s->extra_channels[ch - channels] + i * block;\n dca_filter_channels(s, i, upsample);\n if ((s->source_pcm_res & 1) && s->xch_present) {\n float *back_chan = s->samples_chanptr[s->channel_order_tab[s->xch_base_channel]];\n float *lt_chan = s->samples_chanptr[s->channel_order_tab[s->xch_base_channel - 2]];\n float *rt_chan = s->samples_chanptr[s->channel_order_tab[s->xch_base_channel - 1]];\n s->fdsp.vector_fmac_scalar(lt_chan, back_chan, -M_SQRT1_2, 256);\n s->fdsp.vector_fmac_scalar(rt_chan, back_chan, -M_SQRT1_2, 256);\n }\n }\n lfe_samples = 2 * s->lfe * (s->sample_blocks / 8);\n for (i = 0; i < 2 * s->lfe * 4; i++)\n s->lfe_data[i] = s->lfe_data[i + lfe_samples];\n if (s->exss_ext_mask & DCA_EXT_EXSS_XLL) {\n ret = ff_dca_xll_decode_audio(s, frame);\n if (ret < 0)\n return ret;\n }\n ret = ff_side_data_update_matrix_encoding(frame,\n (s->output & ~DCA_LFE) == DCA_STEREO_TOTAL ?\n AV_MATRIX_ENCODING_DOLBY : AV_MATRIX_ENCODING_NONE);\n if (ret < 0)\n return ret;\n *got_frame_ptr = 1;\n return buf_size;\n}', 'int av_samples_get_buffer_size(int *linesize, int nb_channels, int nb_samples,\n enum AVSampleFormat sample_fmt, int align)\n{\n int line_size;\n int sample_size = av_get_bytes_per_sample(sample_fmt);\n int planar = av_sample_fmt_is_planar(sample_fmt);\n if (!sample_size || nb_samples <= 0 || nb_channels <= 0)\n return AVERROR(EINVAL);\n if (!align) {\n if (nb_samples > INT_MAX - 31)\n return AVERROR(EINVAL);\n align = 1;\n nb_samples = FFALIGN(nb_samples, 32);\n }\n if (nb_channels > INT_MAX / align ||\n (int64_t)nb_channels * nb_samples > (INT_MAX - (align * nb_channels)) / sample_size)\n return AVERROR(EINVAL);\n line_size = planar ? FFALIGN(nb_samples * sample_size, align) :\n FFALIGN(nb_samples * sample_size * nb_channels, align);\n if (linesize)\n *linesize = line_size;\n return planar ? line_size * nb_channels : line_size;\n}'] |
11,748 | 0 | https://github.com/openssl/openssl/blob/249a77f5fb6407185e0a6ad44cd88eda2b6f8946/crypto/x509/x509_vfy.c/#L572 | static int check_name_constraints(X509_STORE_CTX *ctx)
{
X509 *x;
int i, j, rv;
for (i = sk_X509_num(ctx->chain) - 1; i >= 0; i--)
{
x = sk_X509_value(ctx->chain, i);
if (i && (x->ex_flags & EXFLAG_SI))
continue;
for (j = sk_X509_num(ctx->chain) - 1; j > i; j--)
{
NAME_CONSTRAINTS *nc = sk_X509_value(ctx->chain, j)->nc;
if (nc)
{
rv = NAME_CONSTRAINTS_check(x, nc);
if (rv != X509_V_OK)
{
ctx->error = rv;
ctx->error_depth = i;
ctx->current_cert = x;
if (!ctx->verify_cb(0,ctx))
return 0;
}
}
}
}
return 1;
} | ['static int check_name_constraints(X509_STORE_CTX *ctx)\n\t{\n\tX509 *x;\n\tint i, j, rv;\n\tfor (i = sk_X509_num(ctx->chain) - 1; i >= 0; i--)\n\t\t{\n\t\tx = sk_X509_value(ctx->chain, i);\n\t\tif (i && (x->ex_flags & EXFLAG_SI))\n\t\t\tcontinue;\n\t\tfor (j = sk_X509_num(ctx->chain) - 1; j > i; j--)\n\t\t\t{\n\t\t\tNAME_CONSTRAINTS *nc = sk_X509_value(ctx->chain, j)->nc;\n\t\t\tif (nc)\n\t\t\t\t{\n\t\t\t\trv = NAME_CONSTRAINTS_check(x, nc);\n\t\t\t\tif (rv != X509_V_OK)\n\t\t\t\t\t{\n\t\t\t\t\tctx->error = rv;\n\t\t\t\t\tctx->error_depth = i;\n\t\t\t\t\tctx->current_cert = x;\n\t\t\t\t\tif (!ctx->verify_cb(0,ctx))\n\t\t\t\t\t\treturn 0;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\treturn 1;\n\t}', 'int sk_num(const _STACK *st)\n{\n\tif(st == NULL) return -1;\n\treturn st->num;\n}', 'void *sk_value(const _STACK *st, int i)\n{\n\tif(!st || (i < 0) || (i >= st->num)) return NULL;\n\treturn st->data[i];\n}'] |
11,749 | 0 | https://github.com/openssl/openssl/blob/9c46f4b9cd4912b61cb546c48b678488d7f26ed6/crypto/x509v3/v3_conf.c/#L301 | static X509_EXTENSION *v3_generic_extension(const char *ext, char *value,
int crit, int gen_type,
X509V3_CTX *ctx)
{
unsigned char *ext_der = NULL;
long ext_len;
ASN1_OBJECT *obj = NULL;
ASN1_OCTET_STRING *oct = NULL;
X509_EXTENSION *extension = NULL;
if (!(obj = OBJ_txt2obj(ext, 0))) {
X509V3err(X509V3_F_V3_GENERIC_EXTENSION,
X509V3_R_EXTENSION_NAME_ERROR);
ERR_add_error_data(2, "name=", ext);
goto err;
}
if (gen_type == 1)
ext_der = string_to_hex(value, &ext_len);
else if (gen_type == 2)
ext_der = generic_asn1(value, ctx, &ext_len);
if (ext_der == NULL) {
X509V3err(X509V3_F_V3_GENERIC_EXTENSION,
X509V3_R_EXTENSION_VALUE_ERROR);
ERR_add_error_data(2, "value=", value);
goto err;
}
if (!(oct = M_ASN1_OCTET_STRING_new())) {
X509V3err(X509V3_F_V3_GENERIC_EXTENSION, ERR_R_MALLOC_FAILURE);
goto err;
}
oct->data = ext_der;
oct->length = ext_len;
ext_der = NULL;
extension = X509_EXTENSION_create_by_OBJ(NULL, obj, crit, oct);
err:
ASN1_OBJECT_free(obj);
M_ASN1_OCTET_STRING_free(oct);
if (ext_der)
OPENSSL_free(ext_der);
return extension;
} | ['static X509_EXTENSION *v3_generic_extension(const char *ext, char *value,\n int crit, int gen_type,\n X509V3_CTX *ctx)\n{\n unsigned char *ext_der = NULL;\n long ext_len;\n ASN1_OBJECT *obj = NULL;\n ASN1_OCTET_STRING *oct = NULL;\n X509_EXTENSION *extension = NULL;\n if (!(obj = OBJ_txt2obj(ext, 0))) {\n X509V3err(X509V3_F_V3_GENERIC_EXTENSION,\n X509V3_R_EXTENSION_NAME_ERROR);\n ERR_add_error_data(2, "name=", ext);\n goto err;\n }\n if (gen_type == 1)\n ext_der = string_to_hex(value, &ext_len);\n else if (gen_type == 2)\n ext_der = generic_asn1(value, ctx, &ext_len);\n if (ext_der == NULL) {\n X509V3err(X509V3_F_V3_GENERIC_EXTENSION,\n X509V3_R_EXTENSION_VALUE_ERROR);\n ERR_add_error_data(2, "value=", value);\n goto err;\n }\n if (!(oct = M_ASN1_OCTET_STRING_new())) {\n X509V3err(X509V3_F_V3_GENERIC_EXTENSION, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n oct->data = ext_der;\n oct->length = ext_len;\n ext_der = NULL;\n extension = X509_EXTENSION_create_by_OBJ(NULL, obj, crit, oct);\n err:\n ASN1_OBJECT_free(obj);\n M_ASN1_OCTET_STRING_free(oct);\n if (ext_der)\n OPENSSL_free(ext_der);\n return extension;\n}'] |
11,750 | 0 | https://github.com/openssl/openssl/blob/4ebb5293fc7ae1fbb7c5cd8bbe114049bcd8685e/apps/speed.c/#L2415 | static int do_multi(int multi)
{
int n;
int fd[2];
int *fds;
static char sep[]=":";
fds=malloc(multi*sizeof *fds);
for(n=0 ; n < multi ; ++n)
{
pipe(fd);
if(fork())
{
close(fd[1]);
fds[n]=fd[0];
}
else
{
close(fd[0]);
close(1);
dup(fd[1]);
close(fd[1]);
mr=1;
usertime=0;
return 0;
}
printf("Forked child %d\n",n);
}
for(n=0 ; n < multi ; ++n)
{
FILE *f;
char buf[1024];
char *p;
f=fdopen(fds[n],"r");
while(fgets(buf,sizeof buf,f))
{
p=strchr(buf,'\n');
if(p)
*p='\0';
if(buf[0] != '+')
{
fprintf(stderr,"Don't understand line '%s' from child %d\n",
buf,n);
continue;
}
printf("Got: %s from %d\n",buf,n);
if(!strncmp(buf,"+F:",3))
{
int alg;
int j;
p=buf+3;
alg=atoi(sstrsep(&p,sep));
sstrsep(&p,sep);
for(j=0 ; j < SIZE_NUM ; ++j)
results[alg][j]+=atof(sstrsep(&p,sep));
}
else if(!strncmp(buf,"+F2:",4))
{
int k;
double d;
p=buf+4;
k=atoi(sstrsep(&p,sep));
sstrsep(&p,sep);
d=atof(sstrsep(&p,sep));
if(n)
rsa_results[k][0]=1/(1/rsa_results[k][0]+1/d);
else
rsa_results[k][0]=d;
d=atof(sstrsep(&p,sep));
if(n)
rsa_results[k][1]=1/(1/rsa_results[k][1]+1/d);
else
rsa_results[k][1]=d;
}
else if(!strncmp(buf,"+F2:",4))
{
int k;
double d;
p=buf+4;
k=atoi(sstrsep(&p,sep));
sstrsep(&p,sep);
d=atof(sstrsep(&p,sep));
if(n)
rsa_results[k][0]=1/(1/rsa_results[k][0]+1/d);
else
rsa_results[k][0]=d;
d=atof(sstrsep(&p,sep));
if(n)
rsa_results[k][1]=1/(1/rsa_results[k][1]+1/d);
else
rsa_results[k][1]=d;
}
else if(!strncmp(buf,"+F3:",4))
{
int k;
double d;
p=buf+4;
k=atoi(sstrsep(&p,sep));
sstrsep(&p,sep);
d=atof(sstrsep(&p,sep));
if(n)
dsa_results[k][0]=1/(1/dsa_results[k][0]+1/d);
else
dsa_results[k][0]=d;
d=atof(sstrsep(&p,sep));
if(n)
dsa_results[k][1]=1/(1/dsa_results[k][1]+1/d);
else
dsa_results[k][1]=d;
}
#ifndef OPENSSL_NO_ECDSA
else if(!strncmp(buf,"+F4:",4))
{
int k;
double d;
p=buf+4;
k=atoi(sstrsep(&p,sep));
sstrsep(&p,sep);
d=atof(sstrsep(&p,sep));
if(n)
ecdsa_results[k][0]=1/(1/ecdsa_results[k][0]+1/d);
else
ecdsa_results[k][0]=d;
d=atof(sstrsep(&p,sep));
if(n)
ecdsa_results[k][1]=1/(1/ecdsa_results[k][1]+1/d);
else
ecdsa_results[k][1]=d;
}
#endif
#ifndef OPENSSL_NO_ECDH
else if(!strncmp(buf,"+F5:",4))
{
int k;
double d;
p=buf+4;
k=atoi(sstrsep(&p,sep));
sstrsep(&p,sep);
d=atof(sstrsep(&p,sep));
if(n)
ecdh_results[k][0]=1/(1/ecdh_results[k][0]+1/d);
else
ecdh_results[k][0]=d;
}
#endif
else if(!strncmp(buf,"+H:",3))
{
}
else
fprintf(stderr,"Unknown type '%s' from child %d\n",buf,n);
}
}
return 1;
} | ['static int do_multi(int multi)\n\t{\n\tint n;\n\tint fd[2];\n\tint *fds;\n\tstatic char sep[]=":";\n\tfds=malloc(multi*sizeof *fds);\n\tfor(n=0 ; n < multi ; ++n)\n\t\t{\n\t\tpipe(fd);\n\t\tif(fork())\n\t\t\t{\n\t\t\tclose(fd[1]);\n\t\t\tfds[n]=fd[0];\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tclose(fd[0]);\n\t\t\tclose(1);\n\t\t\tdup(fd[1]);\n\t\t\tclose(fd[1]);\n\t\t\tmr=1;\n\t\t\tusertime=0;\n\t\t\treturn 0;\n\t\t\t}\n\t\tprintf("Forked child %d\\n",n);\n\t\t}\n\tfor(n=0 ; n < multi ; ++n)\n\t\t{\n\t\tFILE *f;\n\t\tchar buf[1024];\n\t\tchar *p;\n\t\tf=fdopen(fds[n],"r");\n\t\twhile(fgets(buf,sizeof buf,f))\n\t\t\t{\n\t\t\tp=strchr(buf,\'\\n\');\n\t\t\tif(p)\n\t\t\t\t*p=\'\\0\';\n\t\t\tif(buf[0] != \'+\')\n\t\t\t\t{\n\t\t\t\tfprintf(stderr,"Don\'t understand line \'%s\' from child %d\\n",\n\t\t\t\t\t\tbuf,n);\n\t\t\t\tcontinue;\n\t\t\t\t}\n\t\t\tprintf("Got: %s from %d\\n",buf,n);\n\t\t\tif(!strncmp(buf,"+F:",3))\n\t\t\t\t{\n\t\t\t\tint alg;\n\t\t\t\tint j;\n\t\t\t\tp=buf+3;\n\t\t\t\talg=atoi(sstrsep(&p,sep));\n\t\t\t\tsstrsep(&p,sep);\n\t\t\t\tfor(j=0 ; j < SIZE_NUM ; ++j)\n\t\t\t\t\tresults[alg][j]+=atof(sstrsep(&p,sep));\n\t\t\t\t}\n\t\t\telse if(!strncmp(buf,"+F2:",4))\n\t\t\t\t{\n\t\t\t\tint k;\n\t\t\t\tdouble d;\n\t\t\t\tp=buf+4;\n\t\t\t\tk=atoi(sstrsep(&p,sep));\n\t\t\t\tsstrsep(&p,sep);\n\t\t\t\td=atof(sstrsep(&p,sep));\n\t\t\t\tif(n)\n\t\t\t\t\trsa_results[k][0]=1/(1/rsa_results[k][0]+1/d);\n\t\t\t\telse\n\t\t\t\t\trsa_results[k][0]=d;\n\t\t\t\td=atof(sstrsep(&p,sep));\n\t\t\t\tif(n)\n\t\t\t\t\trsa_results[k][1]=1/(1/rsa_results[k][1]+1/d);\n\t\t\t\telse\n\t\t\t\t\trsa_results[k][1]=d;\n\t\t\t\t}\n\t\t\telse if(!strncmp(buf,"+F2:",4))\n\t\t\t\t{\n\t\t\t\tint k;\n\t\t\t\tdouble d;\n\t\t\t\tp=buf+4;\n\t\t\t\tk=atoi(sstrsep(&p,sep));\n\t\t\t\tsstrsep(&p,sep);\n\t\t\t\td=atof(sstrsep(&p,sep));\n\t\t\t\tif(n)\n\t\t\t\t\trsa_results[k][0]=1/(1/rsa_results[k][0]+1/d);\n\t\t\t\telse\n\t\t\t\t\trsa_results[k][0]=d;\n\t\t\t\td=atof(sstrsep(&p,sep));\n\t\t\t\tif(n)\n\t\t\t\t\trsa_results[k][1]=1/(1/rsa_results[k][1]+1/d);\n\t\t\t\telse\n\t\t\t\t\trsa_results[k][1]=d;\n\t\t\t\t}\n\t\t\telse if(!strncmp(buf,"+F3:",4))\n\t\t\t\t{\n\t\t\t\tint k;\n\t\t\t\tdouble d;\n\t\t\t\tp=buf+4;\n\t\t\t\tk=atoi(sstrsep(&p,sep));\n\t\t\t\tsstrsep(&p,sep);\n\t\t\t\td=atof(sstrsep(&p,sep));\n\t\t\t\tif(n)\n\t\t\t\t\tdsa_results[k][0]=1/(1/dsa_results[k][0]+1/d);\n\t\t\t\telse\n\t\t\t\t\tdsa_results[k][0]=d;\n\t\t\t\td=atof(sstrsep(&p,sep));\n\t\t\t\tif(n)\n\t\t\t\t\tdsa_results[k][1]=1/(1/dsa_results[k][1]+1/d);\n\t\t\t\telse\n\t\t\t\t\tdsa_results[k][1]=d;\n\t\t\t\t}\n#ifndef OPENSSL_NO_ECDSA\n\t\t\telse if(!strncmp(buf,"+F4:",4))\n\t\t\t\t{\n\t\t\t\tint k;\n\t\t\t\tdouble d;\n\t\t\t\tp=buf+4;\n\t\t\t\tk=atoi(sstrsep(&p,sep));\n\t\t\t\tsstrsep(&p,sep);\n\t\t\t\td=atof(sstrsep(&p,sep));\n\t\t\t\tif(n)\n\t\t\t\t\tecdsa_results[k][0]=1/(1/ecdsa_results[k][0]+1/d);\n\t\t\t\telse\n\t\t\t\t\tecdsa_results[k][0]=d;\n\t\t\t\td=atof(sstrsep(&p,sep));\n\t\t\t\tif(n)\n\t\t\t\t\tecdsa_results[k][1]=1/(1/ecdsa_results[k][1]+1/d);\n\t\t\t\telse\n\t\t\t\t\tecdsa_results[k][1]=d;\n\t\t\t\t}\n#endif\n#ifndef OPENSSL_NO_ECDH\n\t\t\telse if(!strncmp(buf,"+F5:",4))\n\t\t\t\t{\n\t\t\t\tint k;\n\t\t\t\tdouble d;\n\t\t\t\tp=buf+4;\n\t\t\t\tk=atoi(sstrsep(&p,sep));\n\t\t\t\tsstrsep(&p,sep);\n\t\t\t\td=atof(sstrsep(&p,sep));\n\t\t\t\tif(n)\n\t\t\t\t\tecdh_results[k][0]=1/(1/ecdh_results[k][0]+1/d);\n\t\t\t\telse\n\t\t\t\t\tecdh_results[k][0]=d;\n\t\t\t\t}\n#endif\n\t\t\telse if(!strncmp(buf,"+H:",3))\n\t\t\t\t{\n\t\t\t\t}\n\t\t\telse\n\t\t\t\tfprintf(stderr,"Unknown type \'%s\' from child %d\\n",buf,n);\n\t\t\t}\n\t\t}\n\treturn 1;\n\t}'] |
11,751 | 0 | https://github.com/openssl/openssl/blob/a21285b3636a8356f01027416b0cd43b016f58ca/crypto/bn/bn_lib.c/#L232 | 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;
} | ['static int ec_precompute_mont_data(EC_GROUP *group)\n{\n BN_CTX *ctx = BN_CTX_new();\n int ret = 0;\n BN_MONT_CTX_free(group->mont_data);\n group->mont_data = NULL;\n if (ctx == NULL)\n goto err;\n group->mont_data = BN_MONT_CTX_new();\n if (group->mont_data == NULL)\n goto err;\n if (!BN_MONT_CTX_set(group->mont_data, group->order, ctx)) {\n BN_MONT_CTX_free(group->mont_data);\n group->mont_data = NULL;\n goto err;\n }\n ret = 1;\n err:\n BN_CTX_free(ctx);\n return ret;\n}', 'int BN_MONT_CTX_set(BN_MONT_CTX *mont, const BIGNUM *mod, BN_CTX *ctx)\n{\n int i, ret = 0;\n BIGNUM *Ri, *R;\n if (BN_is_zero(mod))\n return 0;\n BN_CTX_start(ctx);\n if ((Ri = BN_CTX_get(ctx)) == NULL)\n goto err;\n R = &(mont->RR);\n if (!BN_copy(&(mont->N), mod))\n goto err;\n if (BN_get_flags(mod, BN_FLG_CONSTTIME) != 0)\n BN_set_flags(&(mont->N), BN_FLG_CONSTTIME);\n mont->N.neg = 0;\n#ifdef MONT_WORD\n {\n BIGNUM tmod;\n BN_ULONG buf[2];\n bn_init(&tmod);\n tmod.d = buf;\n tmod.dmax = 2;\n tmod.neg = 0;\n if (BN_get_flags(mod, BN_FLG_CONSTTIME) != 0)\n BN_set_flags(&tmod, BN_FLG_CONSTTIME);\n mont->ri = (BN_num_bits(mod) + (BN_BITS2 - 1)) / BN_BITS2 * BN_BITS2;\n# if defined(OPENSSL_BN_ASM_MONT) && (BN_BITS2<=32)\n BN_zero(R);\n if (!(BN_set_bit(R, 2 * BN_BITS2)))\n goto err;\n tmod.top = 0;\n if ((buf[0] = mod->d[0]))\n tmod.top = 1;\n if ((buf[1] = mod->top > 1 ? mod->d[1] : 0))\n tmod.top = 2;\n if (BN_is_one(&tmod))\n BN_zero(Ri);\n else if ((BN_mod_inverse(Ri, R, &tmod, ctx)) == NULL)\n goto err;\n if (!BN_lshift(Ri, Ri, 2 * BN_BITS2))\n goto err;\n if (!BN_is_zero(Ri)) {\n if (!BN_sub_word(Ri, 1))\n goto err;\n } else {\n if (bn_expand(Ri, (int)sizeof(BN_ULONG) * 2) == NULL)\n goto err;\n Ri->neg = 0;\n Ri->d[0] = BN_MASK2;\n Ri->d[1] = BN_MASK2;\n Ri->top = 2;\n }\n if (!BN_div(Ri, NULL, Ri, &tmod, ctx))\n goto err;\n mont->n0[0] = (Ri->top > 0) ? Ri->d[0] : 0;\n mont->n0[1] = (Ri->top > 1) ? Ri->d[1] : 0;\n# else\n BN_zero(R);\n if (!(BN_set_bit(R, BN_BITS2)))\n goto err;\n buf[0] = mod->d[0];\n buf[1] = 0;\n tmod.top = buf[0] != 0 ? 1 : 0;\n if (BN_is_one(&tmod))\n BN_zero(Ri);\n else if ((BN_mod_inverse(Ri, R, &tmod, ctx)) == NULL)\n goto err;\n if (!BN_lshift(Ri, Ri, BN_BITS2))\n goto err;\n if (!BN_is_zero(Ri)) {\n if (!BN_sub_word(Ri, 1))\n goto err;\n } else {\n if (!BN_set_word(Ri, BN_MASK2))\n goto err;\n }\n if (!BN_div(Ri, NULL, Ri, &tmod, ctx))\n goto err;\n mont->n0[0] = (Ri->top > 0) ? Ri->d[0] : 0;\n mont->n0[1] = 0;\n# endif\n }\n#else\n {\n mont->ri = BN_num_bits(&mont->N);\n BN_zero(R);\n if (!BN_set_bit(R, mont->ri))\n goto err;\n if ((BN_mod_inverse(Ri, R, &mont->N, ctx)) == NULL)\n goto err;\n if (!BN_lshift(Ri, Ri, mont->ri))\n goto err;\n if (!BN_sub_word(Ri, 1))\n goto err;\n if (!BN_div(&(mont->Ni), NULL, Ri, &mont->N, ctx))\n goto err;\n }\n#endif\n BN_zero(&(mont->RR));\n if (!BN_set_bit(&(mont->RR), mont->ri * 2))\n goto err;\n if (!BN_mod(&(mont->RR), &(mont->RR), &(mont->N), ctx))\n goto err;\n for (i = mont->RR.top, ret = mont->N.top; i < ret; i++)\n mont->RR.d[i] = 0;\n mont->RR.top = ret;\n mont->RR.flags |= BN_FLG_FIXED_TOP;\n ret = 1;\n err:\n BN_CTX_end(ctx);\n return ret;\n}', 'int BN_set_word(BIGNUM *a, BN_ULONG w)\n{\n bn_check_top(a);\n if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)\n return 0;\n a->neg = 0;\n a->d[0] = w;\n a->top = (w ? 1 : 0);\n a->flags &= ~BN_FLG_FIXED_TOP;\n bn_check_top(a);\n return 1;\n}', 'static ossl_inline BIGNUM *bn_expand(BIGNUM *a, int bits)\n{\n if (bits > (INT_MAX - BN_BITS2 + 1))\n return NULL;\n if (((bits+BN_BITS2-1)/BN_BITS2) <= (a)->dmax)\n return a;\n return bn_expand2((a),(bits+BN_BITS2-1)/BN_BITS2);\n}', 'BIGNUM *bn_expand2(BIGNUM *b, int words)\n{\n if (words > b->dmax) {\n BN_ULONG *a = bn_expand_internal(b, words);\n if (!a)\n return NULL;\n if (b->d) {\n OPENSSL_cleanse(b->d, b->dmax * sizeof(b->d[0]));\n bn_free_d(b);\n }\n b->d = a;\n b->dmax = words;\n }\n return b;\n}', 'static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)\n{\n BN_ULONG *a = NULL;\n if (words > (INT_MAX / (4 * BN_BITS2))) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);\n return NULL;\n }\n if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);\n return NULL;\n }\n if (BN_get_flags(b, BN_FLG_SECURE))\n a = OPENSSL_secure_zalloc(words * sizeof(*a));\n else\n a = OPENSSL_zalloc(words * sizeof(*a));\n if (a == NULL) {\n BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);\n return NULL;\n }\n assert(b->top <= words);\n if (b->top > 0)\n memcpy(a, b->d, sizeof(*a) * b->top);\n return a;\n}', 'void *CRYPTO_zalloc(size_t num, const char *file, int line)\n{\n void *ret = CRYPTO_malloc(num, file, line);\n FAILTEST();\n if (ret != NULL)\n memset(ret, 0, num);\n return ret;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n INCREMENT(malloc_count);\n if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)\n return malloc_impl(num, file, line);\n if (num == 0)\n return NULL;\n FAILTEST();\n if (allow_customize) {\n allow_customize = 0;\n }\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n (void)(file); (void)(line);\n ret = malloc(num);\n#endif\n return ret;\n}'] |
11,752 | 0 | https://github.com/openssl/openssl/blob/ee6b68ce4c67870f9323d2a380eb949f447c56ee/test/testutil/tests.c/#L303 | static char *print_mem_maybe_null(const void *s, size_t n,
char outbuf[MEM_BUFFER_SIZE])
{
size_t i;
const unsigned char *p = (const unsigned char *)s;
char *out = outbuf;
int pad = 2 * n >= MEM_BUFFER_SIZE;
if (s == NULL)
return strcpy(outbuf, "(NULL)");
if (pad) {
if ((out = OPENSSL_malloc(2 * n + 1)) == NULL) {
out = outbuf;
n = (MEM_BUFFER_SIZE - 4) / 2;
} else {
pad = 0;
}
}
for (i = 0; i < 2 * n; ) {
const unsigned char c = *p++;
out[i++] = "0123456789abcdef"[c >> 4];
out[i++] = "0123456789abcdef"[c & 15];
}
if (pad) {
out[i++] = '.';
out[i++] = '.';
out[i++] = '.';
}
out[i] = '\0';
return out;
} | ['static int test_rc2(const int n)\n{\n int testresult = 1;\n RC2_KEY key;\n unsigned char buf[8], buf2[8];\n RC2_set_key(&key, 16, &(RC2key[n][0]), 0 );\n RC2_ecb_encrypt(&RC2plain[n][0], buf, &key, RC2_ENCRYPT);\n if (!TEST_mem_eq(&RC2cipher[n][0], 8, buf, 8))\n testresult = 0;\n RC2_ecb_encrypt(buf, buf2, &key, RC2_DECRYPT);\n if (!TEST_mem_eq(&RC2plain[n][0], 8, buf2, 8))\n testresult = 0;\n return testresult;\n}', 'int test_mem_eq(const char *file, int line, const char *st1, const char *st2,\n const void *s1, size_t n1, const void *s2, size_t n2)\n{\n char b1[MEM_BUFFER_SIZE], b2[MEM_BUFFER_SIZE];\n if (s1 == NULL && s2 == NULL)\n return 1;\n if (n1 != n2 || s1 == NULL || s2 == NULL || memcmp(s1, s2, n1) != 0) {\n char *m1 = print_mem_maybe_null(s1, n1, b1);\n char *m2 = print_mem_maybe_null(s2, n2, b2);\n test_fail_message(NULL, file, line, "memory",\n "%s %s [%zu] == %s %s [%zu]",\n st1, m1, n1, st2, m2, n2);\n if (m1 != b1)\n OPENSSL_free(m1);\n if (m2 != b2)\n OPENSSL_free(m2);\n return 0;\n }\n return 1;\n}', 'static char *print_mem_maybe_null(const void *s, size_t n,\n char outbuf[MEM_BUFFER_SIZE])\n{\n size_t i;\n const unsigned char *p = (const unsigned char *)s;\n char *out = outbuf;\n int pad = 2 * n >= MEM_BUFFER_SIZE;\n if (s == NULL)\n return strcpy(outbuf, "(NULL)");\n if (pad) {\n if ((out = OPENSSL_malloc(2 * n + 1)) == NULL) {\n out = outbuf;\n n = (MEM_BUFFER_SIZE - 4) / 2;\n } else {\n pad = 0;\n }\n }\n for (i = 0; i < 2 * n; ) {\n const unsigned char c = *p++;\n out[i++] = "0123456789abcdef"[c >> 4];\n out[i++] = "0123456789abcdef"[c & 15];\n }\n if (pad) {\n out[i++] = \'.\';\n out[i++] = \'.\';\n out[i++] = \'.\';\n }\n out[i] = \'\\0\';\n return out;\n}'] |
11,753 | 0 | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/motion_est_template.c/#L724 | static int l2s_dia_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;
LOAD_COMMON
LOAD_COMMON2
int map_generation= c->map_generation;
int x,y,i,d;
int dia_size= c->dia_size&0xFF;
const int dec= dia_size & (dia_size-1);
static const int hex[8][2]={{-2, 0}, {-1,-1}, { 0,-2}, { 1,-1},
{ 2, 0}, { 1, 1}, { 0, 2}, {-1, 1}};
cmpf= s->dsp.me_cmp[size];
chroma_cmpf= s->dsp.me_cmp[size+1];
for(; dia_size; dia_size= dec ? dia_size-1 : dia_size>>1){
do{
x= best[0];
y= best[1];
for(i=0; i<8; i++){
CHECK_CLIPPED_MV(x+hex[i][0]*dia_size, y+hex[i][1]*dia_size);
}
}while(best[0] != x || best[1] != y);
}
x= best[0];
y= best[1];
CHECK_CLIPPED_MV(x+1, y);
CHECK_CLIPPED_MV(x, y+1);
CHECK_CLIPPED_MV(x-1, y);
CHECK_CLIPPED_MV(x, y-1);
return dmin;
} | ['static int l2s_dia_search(MpegEncContext * s, int *best, int dmin,\n int src_index, int ref_index, int const penalty_factor,\n int size, int h, int flags)\n{\n MotionEstContext * const c= &s->me;\n me_cmp_func cmpf, chroma_cmpf;\n LOAD_COMMON\n LOAD_COMMON2\n int map_generation= c->map_generation;\n int x,y,i,d;\n int dia_size= c->dia_size&0xFF;\n const int dec= dia_size & (dia_size-1);\n static const int hex[8][2]={{-2, 0}, {-1,-1}, { 0,-2}, { 1,-1},\n { 2, 0}, { 1, 1}, { 0, 2}, {-1, 1}};\n cmpf= s->dsp.me_cmp[size];\n chroma_cmpf= s->dsp.me_cmp[size+1];\n for(; dia_size; dia_size= dec ? dia_size-1 : dia_size>>1){\n do{\n x= best[0];\n y= best[1];\n for(i=0; i<8; i++){\n CHECK_CLIPPED_MV(x+hex[i][0]*dia_size, y+hex[i][1]*dia_size);\n }\n }while(best[0] != x || best[1] != y);\n }\n x= best[0];\n y= best[1];\n CHECK_CLIPPED_MV(x+1, y);\n CHECK_CLIPPED_MV(x, y+1);\n CHECK_CLIPPED_MV(x-1, y);\n CHECK_CLIPPED_MV(x, y-1);\n return dmin;\n}'] |
11,754 | 0 | https://github.com/libav/libav/blob/cf53c48615658a6019ffb7e8453913bbfd38cb27/libavcodec/h264.c/#L2006 | static av_always_inline void hl_decode_mb_444_internal(H264Context *h, int simple, int pixel_shift){
MpegEncContext * const s = &h->s;
const int mb_x= s->mb_x;
const int mb_y= s->mb_y;
const int mb_xy= h->mb_xy;
const int mb_type= s->current_picture.mb_type[mb_xy];
uint8_t *dest[3];
int linesize;
int i, j, p;
int *block_offset = &h->block_offset[0];
const int transform_bypass = !simple && (s->qscale == 0 && h->sps.transform_bypass);
const int plane_count = (simple || !CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)) ? 3 : 1;
for (p = 0; p < plane_count; p++)
{
dest[p] = s->current_picture.data[p] + ((mb_x << pixel_shift) + mb_y * s->linesize) * 16;
s->dsp.prefetch(dest[p] + (s->mb_x&3)*4*s->linesize + (64 << pixel_shift), s->linesize, 4);
}
h->list_counts[mb_xy]= h->list_count;
if (!simple && MB_FIELD) {
linesize = h->mb_linesize = h->mb_uvlinesize = s->linesize * 2;
block_offset = &h->block_offset[48];
if(mb_y&1)
for (p = 0; p < 3; p++)
dest[p] -= s->linesize*15;
if(FRAME_MBAFF) {
int list;
for(list=0; list<h->list_count; list++){
if(!USES_LIST(mb_type, list))
continue;
if(IS_16X16(mb_type)){
int8_t *ref = &h->ref_cache[list][scan8[0]];
fill_rectangle(ref, 4, 4, 8, (16+*ref)^(s->mb_y&1), 1);
}else{
for(i=0; i<16; i+=4){
int ref = h->ref_cache[list][scan8[i]];
if(ref >= 0)
fill_rectangle(&h->ref_cache[list][scan8[i]], 2, 2, 8, (16+ref)^(s->mb_y&1), 1);
}
}
}
}
} else {
linesize = h->mb_linesize = h->mb_uvlinesize = s->linesize;
}
if (!simple && IS_INTRA_PCM(mb_type)) {
if (pixel_shift) {
const int bit_depth = h->sps.bit_depth_luma;
GetBitContext gb;
init_get_bits(&gb, (uint8_t*)h->mb, 768*bit_depth);
for (p = 0; p < plane_count; p++) {
for (i = 0; i < 16; i++) {
uint16_t *tmp = (uint16_t*)(dest[p] + i*linesize);
for (j = 0; j < 16; j++)
tmp[j] = get_bits(&gb, bit_depth);
}
}
} else {
for (p = 0; p < plane_count; p++) {
for (i = 0; i < 16; i++) {
memcpy(dest[p] + i*linesize, h->mb + p*128 + i*8, 16);
}
}
}
} else {
if(IS_INTRA(mb_type)){
if(h->deblocking_filter)
xchg_mb_border(h, dest[0], dest[1], dest[2], linesize, linesize, 1, 1, simple, pixel_shift);
for (p = 0; p < plane_count; p++)
hl_decode_mb_predict_luma(h, mb_type, 1, simple, transform_bypass, pixel_shift, block_offset, linesize, dest[p], p);
if(h->deblocking_filter)
xchg_mb_border(h, dest[0], dest[1], dest[2], linesize, linesize, 0, 1, simple, pixel_shift);
}else{
if (pixel_shift) {
hl_motion_16(h, dest[0], dest[1], dest[2],
s->me.qpel_put, s->dsp.put_h264_chroma_pixels_tab,
s->me.qpel_avg, s->dsp.avg_h264_chroma_pixels_tab,
h->h264dsp.weight_h264_pixels_tab,
h->h264dsp.biweight_h264_pixels_tab, 1);
} else
hl_motion_8(h, dest[0], dest[1], dest[2],
s->me.qpel_put, s->dsp.put_h264_chroma_pixels_tab,
s->me.qpel_avg, s->dsp.avg_h264_chroma_pixels_tab,
h->h264dsp.weight_h264_pixels_tab,
h->h264dsp.biweight_h264_pixels_tab, 1);
}
for (p = 0; p < plane_count; p++)
hl_decode_mb_idct_luma(h, mb_type, 1, simple, transform_bypass, pixel_shift, block_offset, linesize, dest[p], p);
}
if(h->cbp || IS_INTRA(mb_type))
{
s->dsp.clear_blocks(h->mb);
s->dsp.clear_blocks(h->mb+(24*16<<pixel_shift));
}
} | ['static av_always_inline void hl_decode_mb_444_internal(H264Context *h, int simple, int pixel_shift){\n MpegEncContext * const s = &h->s;\n const int mb_x= s->mb_x;\n const int mb_y= s->mb_y;\n const int mb_xy= h->mb_xy;\n const int mb_type= s->current_picture.mb_type[mb_xy];\n uint8_t *dest[3];\n int linesize;\n int i, j, p;\n int *block_offset = &h->block_offset[0];\n const int transform_bypass = !simple && (s->qscale == 0 && h->sps.transform_bypass);\n const int plane_count = (simple || !CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)) ? 3 : 1;\n for (p = 0; p < plane_count; p++)\n {\n dest[p] = s->current_picture.data[p] + ((mb_x << pixel_shift) + mb_y * s->linesize) * 16;\n s->dsp.prefetch(dest[p] + (s->mb_x&3)*4*s->linesize + (64 << pixel_shift), s->linesize, 4);\n }\n h->list_counts[mb_xy]= h->list_count;\n if (!simple && MB_FIELD) {\n linesize = h->mb_linesize = h->mb_uvlinesize = s->linesize * 2;\n block_offset = &h->block_offset[48];\n if(mb_y&1)\n for (p = 0; p < 3; p++)\n dest[p] -= s->linesize*15;\n if(FRAME_MBAFF) {\n int list;\n for(list=0; list<h->list_count; list++){\n if(!USES_LIST(mb_type, list))\n continue;\n if(IS_16X16(mb_type)){\n int8_t *ref = &h->ref_cache[list][scan8[0]];\n fill_rectangle(ref, 4, 4, 8, (16+*ref)^(s->mb_y&1), 1);\n }else{\n for(i=0; i<16; i+=4){\n int ref = h->ref_cache[list][scan8[i]];\n if(ref >= 0)\n fill_rectangle(&h->ref_cache[list][scan8[i]], 2, 2, 8, (16+ref)^(s->mb_y&1), 1);\n }\n }\n }\n }\n } else {\n linesize = h->mb_linesize = h->mb_uvlinesize = s->linesize;\n }\n if (!simple && IS_INTRA_PCM(mb_type)) {\n if (pixel_shift) {\n const int bit_depth = h->sps.bit_depth_luma;\n GetBitContext gb;\n init_get_bits(&gb, (uint8_t*)h->mb, 768*bit_depth);\n for (p = 0; p < plane_count; p++) {\n for (i = 0; i < 16; i++) {\n uint16_t *tmp = (uint16_t*)(dest[p] + i*linesize);\n for (j = 0; j < 16; j++)\n tmp[j] = get_bits(&gb, bit_depth);\n }\n }\n } else {\n for (p = 0; p < plane_count; p++) {\n for (i = 0; i < 16; i++) {\n memcpy(dest[p] + i*linesize, h->mb + p*128 + i*8, 16);\n }\n }\n }\n } else {\n if(IS_INTRA(mb_type)){\n if(h->deblocking_filter)\n xchg_mb_border(h, dest[0], dest[1], dest[2], linesize, linesize, 1, 1, simple, pixel_shift);\n for (p = 0; p < plane_count; p++)\n hl_decode_mb_predict_luma(h, mb_type, 1, simple, transform_bypass, pixel_shift, block_offset, linesize, dest[p], p);\n if(h->deblocking_filter)\n xchg_mb_border(h, dest[0], dest[1], dest[2], linesize, linesize, 0, 1, simple, pixel_shift);\n }else{\n if (pixel_shift) {\n hl_motion_16(h, dest[0], dest[1], dest[2],\n s->me.qpel_put, s->dsp.put_h264_chroma_pixels_tab,\n s->me.qpel_avg, s->dsp.avg_h264_chroma_pixels_tab,\n h->h264dsp.weight_h264_pixels_tab,\n h->h264dsp.biweight_h264_pixels_tab, 1);\n } else\n hl_motion_8(h, dest[0], dest[1], dest[2],\n s->me.qpel_put, s->dsp.put_h264_chroma_pixels_tab,\n s->me.qpel_avg, s->dsp.avg_h264_chroma_pixels_tab,\n h->h264dsp.weight_h264_pixels_tab,\n h->h264dsp.biweight_h264_pixels_tab, 1);\n }\n for (p = 0; p < plane_count; p++)\n hl_decode_mb_idct_luma(h, mb_type, 1, simple, transform_bypass, pixel_shift, block_offset, linesize, dest[p], p);\n }\n if(h->cbp || IS_INTRA(mb_type))\n {\n s->dsp.clear_blocks(h->mb);\n s->dsp.clear_blocks(h->mb+(24*16<<pixel_shift));\n }\n}'] |
11,755 | 1 | https://github.com/openssl/openssl/blob/96826bfc84c63207b720543443626029946a0fc7/crypto/objects/obj_dat.c/#L479 | int OBJ_obj2txt(char *buf, int buf_len, const ASN1_OBJECT *a, int no_name)
{
int i,n=0,len,nid, first, use_bn;
BIGNUM *bl;
unsigned long l;
const unsigned char *p;
char tbuf[DECIMAL_SIZE(i)+DECIMAL_SIZE(l)+2];
if ((a == NULL) || (a->data == NULL)) {
buf[0]='\0';
return(0);
}
if (!no_name && (nid=OBJ_obj2nid(a)) != NID_undef)
{
const char *s;
s=OBJ_nid2ln(nid);
if (s == NULL)
s=OBJ_nid2sn(nid);
if (buf)
BUF_strlcpy(buf,s,buf_len);
n=strlen(s);
return n;
}
len=a->length;
p=a->data;
first = 1;
bl = NULL;
while (len > 0)
{
l=0;
use_bn = 0;
for (;;)
{
unsigned char c = *p++;
len--;
if ((len == 0) && (c & 0x80))
goto err;
if (use_bn)
{
if (!BN_add_word(bl, c & 0x7f))
goto err;
}
else
l |= c & 0x7f;
if (!(c & 0x80))
break;
if (!use_bn && (l > (ULONG_MAX >> 7L)))
{
if (!bl && !(bl = BN_new()))
goto err;
if (!BN_set_word(bl, l))
goto err;
use_bn = 1;
}
if (use_bn)
{
if (!BN_lshift(bl, bl, 7))
goto err;
}
else
l<<=7L;
}
if (first)
{
first = 0;
if (l >= 80)
{
i = 2;
if (use_bn)
{
if (!BN_sub_word(bl, 80))
goto err;
}
else
l -= 80;
}
else
{
i=(int)(l/40);
l-=(long)(i*40);
}
if (buf && (buf_len > 0))
{
*buf++ = i + '0';
buf_len--;
}
n++;
}
if (use_bn)
{
char *bndec;
bndec = BN_bn2dec(bl);
if (!bndec)
goto err;
i = strlen(bndec);
if (buf)
{
if (buf_len > 0)
{
*buf++ = '.';
buf_len--;
}
BUF_strlcpy(buf,bndec,buf_len);
if (i > buf_len)
{
buf += buf_len;
buf_len = 0;
}
else
{
buf+=i;
buf_len-=i;
}
}
n++;
n += i;
OPENSSL_free(bndec);
}
else
{
BIO_snprintf(tbuf,sizeof tbuf,".%lu",l);
i=strlen(tbuf);
if (buf && (buf_len > 0))
{
BUF_strlcpy(buf,tbuf,buf_len);
if (i > buf_len)
{
buf += buf_len;
buf_len = 0;
}
else
{
buf+=i;
buf_len-=i;
}
}
n+=i;
l=0;
}
}
if (bl)
BN_free(bl);
return n;
err:
if (bl)
BN_free(bl);
return -1;
} | ['int OBJ_obj2txt(char *buf, int buf_len, const ASN1_OBJECT *a, int no_name)\n{\n\tint i,n=0,len,nid, first, use_bn;\n\tBIGNUM *bl;\n\tunsigned long l;\n\tconst unsigned char *p;\n\tchar tbuf[DECIMAL_SIZE(i)+DECIMAL_SIZE(l)+2];\n\tif ((a == NULL) || (a->data == NULL)) {\n\t\tbuf[0]=\'\\0\';\n\t\treturn(0);\n\t}\n\tif (!no_name && (nid=OBJ_obj2nid(a)) != NID_undef)\n\t\t{\n\t\tconst char *s;\n\t\ts=OBJ_nid2ln(nid);\n\t\tif (s == NULL)\n\t\t\ts=OBJ_nid2sn(nid);\n\t\tif (buf)\n\t\t\tBUF_strlcpy(buf,s,buf_len);\n\t\tn=strlen(s);\n\t\treturn n;\n\t\t}\n\tlen=a->length;\n\tp=a->data;\n\tfirst = 1;\n\tbl = NULL;\n\twhile (len > 0)\n\t\t{\n\t\tl=0;\n\t\tuse_bn = 0;\n\t\tfor (;;)\n\t\t\t{\n\t\t\tunsigned char c = *p++;\n\t\t\tlen--;\n\t\t\tif ((len == 0) && (c & 0x80))\n\t\t\t\tgoto err;\n\t\t\tif (use_bn)\n\t\t\t\t{\n\t\t\t\tif (!BN_add_word(bl, c & 0x7f))\n\t\t\t\t\tgoto err;\n\t\t\t\t}\n\t\t\telse\n\t\t\t\tl |= c & 0x7f;\n\t\t\tif (!(c & 0x80))\n\t\t\t\tbreak;\n\t\t\tif (!use_bn && (l > (ULONG_MAX >> 7L)))\n\t\t\t\t{\n\t\t\t\tif (!bl && !(bl = BN_new()))\n\t\t\t\t\tgoto err;\n\t\t\t\tif (!BN_set_word(bl, l))\n\t\t\t\t\tgoto err;\n\t\t\t\tuse_bn = 1;\n\t\t\t\t}\n\t\t\tif (use_bn)\n\t\t\t\t{\n\t\t\t\tif (!BN_lshift(bl, bl, 7))\n\t\t\t\t\tgoto err;\n\t\t\t\t}\n\t\t\telse\n\t\t\t\tl<<=7L;\n\t\t\t}\n\t\tif (first)\n\t\t\t{\n\t\t\tfirst = 0;\n\t\t\tif (l >= 80)\n\t\t\t\t{\n\t\t\t\ti = 2;\n\t\t\t\tif (use_bn)\n\t\t\t\t\t{\n\t\t\t\t\tif (!BN_sub_word(bl, 80))\n\t\t\t\t\t\tgoto err;\n\t\t\t\t\t}\n\t\t\t\telse\n\t\t\t\t\tl -= 80;\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\ti=(int)(l/40);\n\t\t\t\tl-=(long)(i*40);\n\t\t\t\t}\n\t\t\tif (buf && (buf_len > 0))\n\t\t\t\t{\n\t\t\t\t*buf++ = i + \'0\';\n\t\t\t\tbuf_len--;\n\t\t\t\t}\n\t\t\tn++;\n\t\t\t}\n\t\tif (use_bn)\n\t\t\t{\n\t\t\tchar *bndec;\n\t\t\tbndec = BN_bn2dec(bl);\n\t\t\tif (!bndec)\n\t\t\t\tgoto err;\n\t\t\ti = strlen(bndec);\n\t\t\tif (buf)\n\t\t\t\t{\n\t\t\t\tif (buf_len > 0)\n\t\t\t\t\t{\n\t\t\t\t\t*buf++ = \'.\';\n\t\t\t\t\tbuf_len--;\n\t\t\t\t\t}\n\t\t\t\tBUF_strlcpy(buf,bndec,buf_len);\n\t\t\t\tif (i > buf_len)\n\t\t\t\t\t{\n\t\t\t\t\tbuf += buf_len;\n\t\t\t\t\tbuf_len = 0;\n\t\t\t\t\t}\n\t\t\t\telse\n\t\t\t\t\t{\n\t\t\t\t\tbuf+=i;\n\t\t\t\t\tbuf_len-=i;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\tn++;\n\t\t\tn += i;\n\t\t\tOPENSSL_free(bndec);\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tBIO_snprintf(tbuf,sizeof tbuf,".%lu",l);\n\t\t\ti=strlen(tbuf);\n\t\t\tif (buf && (buf_len > 0))\n\t\t\t\t{\n\t\t\t\tBUF_strlcpy(buf,tbuf,buf_len);\n\t\t\t\tif (i > buf_len)\n\t\t\t\t\t{\n\t\t\t\t\tbuf += buf_len;\n\t\t\t\t\tbuf_len = 0;\n\t\t\t\t\t}\n\t\t\t\telse\n\t\t\t\t\t{\n\t\t\t\t\tbuf+=i;\n\t\t\t\t\tbuf_len-=i;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\tn+=i;\n\t\t\tl=0;\n\t\t\t}\n\t\t}\n\tif (bl)\n\t\tBN_free(bl);\n\treturn n;\n\terr:\n\tif (bl)\n\t\tBN_free(bl);\n\treturn -1;\n}', 'int OBJ_obj2nid(const ASN1_OBJECT *a)\n\t{\n\tconst unsigned int *op;\n\tADDED_OBJ ad,*adp;\n\tif (a == NULL)\n\t\treturn(NID_undef);\n\tif (a->nid != 0)\n\t\treturn(a->nid);\n\tif (added != NULL)\n\t\t{\n\t\tad.type=ADDED_DATA;\n\t\tad.obj=(ASN1_OBJECT *)a;\n\t\tadp=lh_ADDED_OBJ_retrieve(added,&ad);\n\t\tif (adp != NULL) return (adp->obj->nid);\n\t\t}\n\top=(const unsigned int *)OBJ_bsearch((const char *)&a,(const char *)obj_objs,\n\t\tNUM_OBJ, sizeof(obj_objs[0]),obj_cmp);\n\tif (op == NULL)\n\t\treturn(NID_undef);\n\treturn(nid_objs[*op].nid);\n\t}', 'const char *OBJ_nid2ln(int n)\n\t{\n\tADDED_OBJ ad,*adp;\n\tASN1_OBJECT ob;\n\tif ((n >= 0) && (n < NUM_NID))\n\t\t{\n\t\tif ((n != NID_undef) && (nid_objs[n].nid == NID_undef))\n\t\t\t{\n\t\t\tOBJerr(OBJ_F_OBJ_NID2LN,OBJ_R_UNKNOWN_NID);\n\t\t\treturn(NULL);\n\t\t\t}\n\t\treturn(nid_objs[n].ln);\n\t\t}\n\telse if (added == NULL)\n\t\treturn(NULL);\n\telse\n\t\t{\n\t\tad.type=ADDED_NID;\n\t\tad.obj= &ob;\n\t\tob.nid=n;\n\t\tadp=lh_ADDED_OBJ_retrieve(added,&ad);\n\t\tif (adp != NULL)\n\t\t\treturn(adp->obj->ln);\n\t\telse\n\t\t\t{\n\t\t\tOBJerr(OBJ_F_OBJ_NID2LN,OBJ_R_UNKNOWN_NID);\n\t\t\treturn(NULL);\n\t\t\t}\n\t\t}\n\t}', 'void ERR_put_error(int lib, int func, int reason, const char *file,\n\t int line)\n\t{\n\tERR_STATE *es;\n#ifdef _OSD_POSIX\n\tif (strncmp(file,"*POSIX(", sizeof("*POSIX(")-1) == 0) {\n\t\tchar *end;\n\t\tfile += sizeof("*POSIX(")-1;\n\t\tend = &file[strlen(file)-1];\n\t\tif (*end == \')\')\n\t\t\t*end = \'\\0\';\n\t\tif ((end = strrchr(file, \'/\')) != NULL)\n\t\t\tfile = &end[1];\n\t}\n#endif\n\tes=ERR_get_state();\n\tes->top=(es->top+1)%ERR_NUM_ERRORS;\n\tif (es->top == es->bottom)\n\t\tes->bottom=(es->bottom+1)%ERR_NUM_ERRORS;\n\tes->err_flags[es->top]=0;\n\tes->err_buffer[es->top]=ERR_PACK(lib,func,reason);\n\tes->err_file[es->top]=file;\n\tes->err_line[es->top]=line;\n\terr_clear_data(es,es->top);\n\t}', 'void CRYPTO_free(void *str)\n\t{\n\tif (free_debug_func != NULL)\n\t\tfree_debug_func(str, 0);\n#ifdef LEVITTE_DEBUG_MEM\n\tfprintf(stderr, "LEVITTE_DEBUG_MEM: < 0x%p\\n", str);\n#endif\n\tfree_func(str);\n\tif (free_debug_func != NULL)\n\t\tfree_debug_func(NULL, 1);\n\t}', 'const char *OBJ_nid2sn(int n)\n\t{\n\tADDED_OBJ ad,*adp;\n\tASN1_OBJECT ob;\n\tif ((n >= 0) && (n < NUM_NID))\n\t\t{\n\t\tif ((n != NID_undef) && (nid_objs[n].nid == NID_undef))\n\t\t\t{\n\t\t\tOBJerr(OBJ_F_OBJ_NID2SN,OBJ_R_UNKNOWN_NID);\n\t\t\treturn(NULL);\n\t\t\t}\n\t\treturn(nid_objs[n].sn);\n\t\t}\n\telse if (added == NULL)\n\t\treturn(NULL);\n\telse\n\t\t{\n\t\tad.type=ADDED_NID;\n\t\tad.obj= &ob;\n\t\tob.nid=n;\n\t\tadp=lh_ADDED_OBJ_retrieve(added,&ad);\n\t\tif (adp != NULL)\n\t\t\treturn(adp->obj->sn);\n\t\telse\n\t\t\t{\n\t\t\tOBJerr(OBJ_F_OBJ_NID2SN,OBJ_R_UNKNOWN_NID);\n\t\t\treturn(NULL);\n\t\t\t}\n\t\t}\n\t}'] |
11,756 | 0 | https://github.com/openssl/openssl/blob/34216c04229ffaa564adb204cea87bc6b5ed4fb1/crypto/bn/bn_lib.c/#L228 | int BN_num_bits_word(BN_ULONG l)
{
static const char bits[256]={
0,1,2,2,3,3,3,3,4,4,4,4,4,4,4,4,
5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,
6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,
6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,
7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,
8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,
8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,
8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,
8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,
8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,
8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,
8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,
};
#if defined(SIXTY_FOUR_BIT_LONG)
if (l & 0xffffffff00000000L)
{
if (l & 0xffff000000000000L)
{
if (l & 0xff00000000000000L)
{
return(bits[(int)(l>>56)]+56);
}
else return(bits[(int)(l>>48)]+48);
}
else
{
if (l & 0x0000ff0000000000L)
{
return(bits[(int)(l>>40)]+40);
}
else return(bits[(int)(l>>32)]+32);
}
}
else
#else
#ifdef SIXTY_FOUR_BIT
if (l & 0xffffffff00000000LL)
{
if (l & 0xffff000000000000LL)
{
if (l & 0xff00000000000000LL)
{
return(bits[(int)(l>>56)]+56);
}
else return(bits[(int)(l>>48)]+48);
}
else
{
if (l & 0x0000ff0000000000LL)
{
return(bits[(int)(l>>40)]+40);
}
else return(bits[(int)(l>>32)]+32);
}
}
else
#endif
#endif
{
#if defined(THIRTY_TWO_BIT) || defined(SIXTY_FOUR_BIT) || defined(SIXTY_FOUR_BIT_LONG)
if (l & 0xffff0000L)
{
if (l & 0xff000000L)
return(bits[(int)(l>>24L)]+24);
else return(bits[(int)(l>>16L)]+16);
}
else
#endif
{
#if defined(SIXTEEN_BIT) || defined(THIRTY_TWO_BIT) || defined(SIXTY_FOUR_BIT) || defined(SIXTY_FOUR_BIT_LONG)
if (l & 0xff00L)
return(bits[(int)(l>>8)]+8);
else
#endif
return(bits[(int)(l )] );
}
}
} | ["char *BN_bn2dec(const BIGNUM *a)\n\t{\n\tint i=0,num;\n\tchar *buf=NULL;\n\tchar *p;\n\tBIGNUM *t=NULL;\n\tBN_ULONG *bn_data=NULL,*lp;\n\ti=BN_num_bits(a)*3;\n\tnum=(i/10+i/1000+3)+1;\n\tbn_data=(BN_ULONG *)OPENSSL_malloc((num/BN_DEC_NUM+1)*sizeof(BN_ULONG));\n\tbuf=(char *)OPENSSL_malloc(num+3);\n\tif ((buf == NULL) || (bn_data == NULL))\n\t\t{\n\t\tBNerr(BN_F_BN_BN2DEC,ERR_R_MALLOC_FAILURE);\n\t\tgoto err;\n\t\t}\n\tif ((t=BN_dup(a)) == NULL) goto err;\n\tp=buf;\n\tlp=bn_data;\n\tif (t->neg) *(p++)='-';\n\tif (t->top == 0)\n\t\t{\n\t\t*(p++)='0';\n\t\t*(p++)='\\0';\n\t\t}\n\telse\n\t\t{\n\t\ti=0;\n\t\twhile (!BN_is_zero(t))\n\t\t\t{\n\t\t\t*lp=BN_div_word(t,BN_DEC_CONV);\n\t\t\tlp++;\n\t\t\t}\n\t\tlp--;\n\t\tsprintf(p,BN_DEC_FMT1,*lp);\n\t\twhile (*p) p++;\n\t\twhile (lp != bn_data)\n\t\t\t{\n\t\t\tlp--;\n\t\t\tsprintf(p,BN_DEC_FMT2,*lp);\n\t\t\twhile (*p) p++;\n\t\t\t}\n\t\t}\nerr:\n\tif (bn_data != NULL) OPENSSL_free(bn_data);\n\tif (t != NULL) BN_free(t);\n\treturn(buf);\n\t}", 'BN_ULONG BN_div_word(BIGNUM *a, BN_ULONG w)\n\t{\n\tBN_ULONG ret;\n\tint i;\n\tif (a->top == 0) return(0);\n\tret=0;\n\tw&=BN_MASK2;\n\tfor (i=a->top-1; i>=0; i--)\n\t\t{\n\t\tBN_ULONG l,d;\n\t\tl=a->d[i];\n\t\td=bn_div_words(ret,l,w);\n\t\tret=(l-((d*w)&BN_MASK2))&BN_MASK2;\n\t\ta->d[i]=d;\n\t\t}\n\tif ((a->top > 0) && (a->d[a->top-1] == 0))\n\t\ta->top--;\n\treturn(ret);\n\t}', 'BN_ULONG bn_div_words(BN_ULONG h, BN_ULONG l, BN_ULONG d)\n\t{\n\tBN_ULONG dh,dl,q,ret=0,th,tl,t;\n\tint i,count=2;\n\tif (d == 0) return(BN_MASK2);\n\ti=BN_num_bits_word(d);\n\tassert((i == BN_BITS2) || (h > (BN_ULONG)1<<i));\n\ti=BN_BITS2-i;\n\tif (h >= d) h-=d;\n\tif (i)\n\t\t{\n\t\td<<=i;\n\t\th=(h<<i)|(l>>(BN_BITS2-i));\n\t\tl<<=i;\n\t\t}\n\tdh=(d&BN_MASK2h)>>BN_BITS4;\n\tdl=(d&BN_MASK2l);\n\tfor (;;)\n\t\t{\n\t\tif ((h>>BN_BITS4) == dh)\n\t\t\tq=BN_MASK2l;\n\t\telse\n\t\t\tq=h/dh;\n\t\tth=q*dh;\n\t\ttl=dl*q;\n\t\tfor (;;)\n\t\t\t{\n\t\t\tt=h-th;\n\t\t\tif ((t&BN_MASK2h) ||\n\t\t\t\t((tl) <= (\n\t\t\t\t\t(t<<BN_BITS4)|\n\t\t\t\t\t((l&BN_MASK2h)>>BN_BITS4))))\n\t\t\t\tbreak;\n\t\t\tq--;\n\t\t\tth-=dh;\n\t\t\ttl-=dl;\n\t\t\t}\n\t\tt=(tl>>BN_BITS4);\n\t\ttl=(tl<<BN_BITS4)&BN_MASK2h;\n\t\tth+=t;\n\t\tif (l < tl) th++;\n\t\tl-=tl;\n\t\tif (h < th)\n\t\t\t{\n\t\t\th+=d;\n\t\t\tq--;\n\t\t\t}\n\t\th-=th;\n\t\tif (--count == 0) break;\n\t\tret=q<<BN_BITS4;\n\t\th=((h<<BN_BITS4)|(l>>BN_BITS4))&BN_MASK2;\n\t\tl=(l&BN_MASK2l)<<BN_BITS4;\n\t\t}\n\tret|=q;\n\treturn(ret);\n\t}', 'int BN_num_bits_word(BN_ULONG l)\n\t{\n\tstatic const char bits[256]={\n\t\t0,1,2,2,3,3,3,3,4,4,4,4,4,4,4,4,\n\t\t5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,\n\t\t6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,\n\t\t6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,\n\t\t7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,\n\t\t7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,\n\t\t7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,\n\t\t7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,\n\t\t8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,\n\t\t8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,\n\t\t8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,\n\t\t8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,\n\t\t8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,\n\t\t8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,\n\t\t8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,\n\t\t8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,\n\t\t};\n#if defined(SIXTY_FOUR_BIT_LONG)\n\tif (l & 0xffffffff00000000L)\n\t\t{\n\t\tif (l & 0xffff000000000000L)\n\t\t\t{\n\t\t\tif (l & 0xff00000000000000L)\n\t\t\t\t{\n\t\t\t\treturn(bits[(int)(l>>56)]+56);\n\t\t\t\t}\n\t\t\telse\treturn(bits[(int)(l>>48)]+48);\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tif (l & 0x0000ff0000000000L)\n\t\t\t\t{\n\t\t\t\treturn(bits[(int)(l>>40)]+40);\n\t\t\t\t}\n\t\t\telse\treturn(bits[(int)(l>>32)]+32);\n\t\t\t}\n\t\t}\n\telse\n#else\n#ifdef SIXTY_FOUR_BIT\n\tif (l & 0xffffffff00000000LL)\n\t\t{\n\t\tif (l & 0xffff000000000000LL)\n\t\t\t{\n\t\t\tif (l & 0xff00000000000000LL)\n\t\t\t\t{\n\t\t\t\treturn(bits[(int)(l>>56)]+56);\n\t\t\t\t}\n\t\t\telse\treturn(bits[(int)(l>>48)]+48);\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tif (l & 0x0000ff0000000000LL)\n\t\t\t\t{\n\t\t\t\treturn(bits[(int)(l>>40)]+40);\n\t\t\t\t}\n\t\t\telse\treturn(bits[(int)(l>>32)]+32);\n\t\t\t}\n\t\t}\n\telse\n#endif\n#endif\n\t\t{\n#if defined(THIRTY_TWO_BIT) || defined(SIXTY_FOUR_BIT) || defined(SIXTY_FOUR_BIT_LONG)\n\t\tif (l & 0xffff0000L)\n\t\t\t{\n\t\t\tif (l & 0xff000000L)\n\t\t\t\treturn(bits[(int)(l>>24L)]+24);\n\t\t\telse\treturn(bits[(int)(l>>16L)]+16);\n\t\t\t}\n\t\telse\n#endif\n\t\t\t{\n#if defined(SIXTEEN_BIT) || defined(THIRTY_TWO_BIT) || defined(SIXTY_FOUR_BIT) || defined(SIXTY_FOUR_BIT_LONG)\n\t\t\tif (l & 0xff00L)\n\t\t\t\treturn(bits[(int)(l>>8)]+8);\n\t\t\telse\n#endif\n\t\t\t\treturn(bits[(int)(l )] );\n\t\t\t}\n\t\t}\n\t}'] |
11,757 | 0 | https://gitlab.com/libtiff/libtiff/blob/cec2d959be52d749846b8343b1c71ec01533c746/libtiff/tif_swab.c/#L113 | void
TIFFSwabArrayOfLong(register uint32* lp, tmsize_t n)
{
register unsigned char *cp;
register unsigned char t;
assert(sizeof(uint32)==4);
while (n-- > 0) {
cp = (unsigned char *)lp;
t = cp[3]; cp[3] = cp[0]; cp[0] = t;
t = cp[2]; cp[2] = cp[1]; cp[1] = t;
lp++;
}
} | ['static int\nwriteSelections(TIFF *in, TIFF **out, struct crop_mask *crop,\n struct image_data *image, struct dump_opts *dump,\n struct buffinfo seg_buffs[], char *mp, char *filename,\n unsigned int *page, unsigned int total_pages)\n {\n int i, page_count;\n int autoindex = 0;\n unsigned char *crop_buff = NULL;\n switch (crop->exp_mode)\n {\n case ONE_FILE_COMPOSITE:\n autoindex = 0;\n crop_buff = seg_buffs[0].buffer;\n if (update_output_file (out, mp, autoindex, filename, page))\n return (1);\n page_count = total_pages;\n if (writeCroppedImage(in, *out, image, dump,\n crop->combined_width,\n crop->combined_length,\n crop_buff, *page, total_pages))\n {\n TIFFError("writeRegions", "Unable to write new image");\n return (-1);\n }\n\t break;\n case ONE_FILE_SEPARATED:\n autoindex = 0;\n if (update_output_file (out, mp, autoindex, filename, page))\n return (1);\n page_count = crop->selections * total_pages;\n for (i = 0; i < crop->selections; i++)\n {\n crop_buff = seg_buffs[i].buffer;\n if (writeCroppedImage(in, *out, image, dump,\n crop->regionlist[i].width,\n crop->regionlist[i].length,\n crop_buff, *page, page_count))\n {\n TIFFError("writeRegions", "Unable to write new image");\n return (-1);\n }\n\t }\n break;\n case FILE_PER_IMAGE_COMPOSITE:\n autoindex = 1;\n if (update_output_file (out, mp, autoindex, filename, page))\n return (1);\n crop_buff = seg_buffs[0].buffer;\n if (writeCroppedImage(in, *out, image, dump,\n crop->combined_width,\n crop->combined_length,\n crop_buff, *page, total_pages))\n {\n TIFFError("writeRegions", "Unable to write new image");\n return (-1);\n }\n break;\n case FILE_PER_IMAGE_SEPARATED:\n autoindex = 1;\n page_count = crop->selections;\n if (update_output_file (out, mp, autoindex, filename, page))\n return (1);\n for (i = 0; i < crop->selections; i++)\n {\n crop_buff = seg_buffs[i].buffer;\n if (writeCroppedImage(in, *out, image, dump,\n crop->regionlist[i].width,\n crop->regionlist[i].length,\n crop_buff, *page, page_count))\n {\n TIFFError("writeRegions", "Unable to write new image");\n return (-1);\n }\n }\n break;\n case FILE_PER_SELECTION:\n autoindex = 1;\n\t page_count = 1;\n for (i = 0; i < crop->selections; i++)\n {\n if (update_output_file (out, mp, autoindex, filename, page))\n return (1);\n crop_buff = seg_buffs[i].buffer;\n if (writeCroppedImage(in, *out, image, dump,\n crop->regionlist[i].width,\n crop->regionlist[i].length,\n crop_buff, *page, page_count))\n {\n TIFFError("writeRegions", "Unable to write new image");\n return (-1);\n }\n }\n\t break;\n default: return (1);\n }\n return (0);\n }', 'static int\nupdate_output_file (TIFF **tiffout, char *mode, int autoindex,\n char *outname, unsigned int *page)\n {\n static int findex = 0;\n char *sep;\n char filenum[16];\n char export_ext[16];\n char exportname[PATH_MAX];\n if (autoindex && (*tiffout != NULL))\n {\n TIFFClose (*tiffout);\n *tiffout = NULL;\n }\n strcpy (export_ext, ".tiff");\n memset (exportname, \'\\0\', PATH_MAX);\n strncpy (exportname, outname, PATH_MAX - 16);\n if (*tiffout == NULL)\n {\n if (autoindex)\n {\n findex++;\n if ((sep = strstr(exportname, ".tif")) || (sep = strstr(exportname, ".TIF")))\n {\n strncpy (export_ext, sep, 5);\n *sep = \'\\0\';\n }\n else\n strncpy (export_ext, ".tiff", 5);\n export_ext[5] = \'\\0\';\n if (findex > MAX_EXPORT_PAGES)\n\t{\n\tTIFFError("update_output_file", "Maximum of %d pages per file exceeded", MAX_EXPORT_PAGES);\n return 1;\n }\n snprintf(filenum, sizeof(filenum), "-%03d%s", findex, export_ext);\n filenum[14] = \'\\0\';\n strncat (exportname, filenum, 15);\n }\n exportname[PATH_MAX - 1] = \'\\0\';\n *tiffout = TIFFOpen(exportname, mode);\n if (*tiffout == NULL)\n {\n TIFFError("update_output_file", "Unable to open output file %s", exportname);\n return 1;\n }\n *page = 0;\n return 0;\n }\n else\n (*page)++;\n return 0;\n }', 'void\nTIFFClose(TIFF* tif)\n{\n\tTIFFCloseProc closeproc = tif->tif_closeproc;\n\tthandle_t fd = tif->tif_clientdata;\n\tTIFFCleanup(tif);\n\t(void) (*closeproc)(fd);\n}', 'void\nTIFFCleanup(TIFF* tif)\n{\n\tif (tif->tif_mode != O_RDONLY)\n\t\tTIFFFlush(tif);\n\t(*tif->tif_cleanup)(tif);\n\tTIFFFreeDirectory(tif);\n\tif (tif->tif_dirlist)\n\t\t_TIFFfree(tif->tif_dirlist);\n\twhile( tif->tif_clientinfo )\n\t{\n\t\tTIFFClientInfoLink *psLink = tif->tif_clientinfo;\n\t\ttif->tif_clientinfo = psLink->next;\n\t\t_TIFFfree( psLink->name );\n\t\t_TIFFfree( psLink );\n\t}\n\tif (tif->tif_rawdata && (tif->tif_flags&TIFF_MYBUFFER))\n\t\t_TIFFfree(tif->tif_rawdata);\n\tif (isMapped(tif))\n\t\tTIFFUnmapFileContents(tif, tif->tif_base, (toff_t)tif->tif_size);\n\tif (tif->tif_fields && tif->tif_nfields > 0) {\n\t\tuint32 i;\n\t\tfor (i = 0; i < tif->tif_nfields; i++) {\n\t\t\tTIFFField *fld = tif->tif_fields[i];\n\t\t\tif (fld->field_bit == FIELD_CUSTOM &&\n\t\t\t strncmp("Tag ", fld->field_name, 4) == 0) {\n\t\t\t\t_TIFFfree(fld->field_name);\n\t\t\t\t_TIFFfree(fld);\n\t\t\t}\n\t\t}\n\t\t_TIFFfree(tif->tif_fields);\n\t}\n if (tif->tif_nfieldscompat > 0) {\n uint32 i;\n for (i = 0; i < tif->tif_nfieldscompat; i++) {\n if (tif->tif_fieldscompat[i].allocated_size)\n _TIFFfree(tif->tif_fieldscompat[i].fields);\n }\n _TIFFfree(tif->tif_fieldscompat);\n }\n\t_TIFFfree(tif);\n}', 'int\nTIFFFlush(TIFF* tif)\n{\n if( tif->tif_mode == O_RDONLY )\n return 1;\n if (!TIFFFlushData(tif))\n return (0);\n if( (tif->tif_flags & TIFF_DIRTYSTRIP)\n && !(tif->tif_flags & TIFF_DIRTYDIRECT)\n && tif->tif_mode == O_RDWR )\n {\n uint64 *offsets=NULL, *sizes=NULL;\n if( TIFFIsTiled(tif) )\n {\n if( TIFFGetField( tif, TIFFTAG_TILEOFFSETS, &offsets )\n && TIFFGetField( tif, TIFFTAG_TILEBYTECOUNTS, &sizes )\n && _TIFFRewriteField( tif, TIFFTAG_TILEOFFSETS, TIFF_LONG8,\n tif->tif_dir.td_nstrips, offsets )\n && _TIFFRewriteField( tif, TIFFTAG_TILEBYTECOUNTS, TIFF_LONG8,\n tif->tif_dir.td_nstrips, sizes ) )\n {\n tif->tif_flags &= ~TIFF_DIRTYSTRIP;\n tif->tif_flags &= ~TIFF_BEENWRITING;\n return 1;\n }\n }\n else\n {\n if( TIFFGetField( tif, TIFFTAG_STRIPOFFSETS, &offsets )\n && TIFFGetField( tif, TIFFTAG_STRIPBYTECOUNTS, &sizes )\n && _TIFFRewriteField( tif, TIFFTAG_STRIPOFFSETS, TIFF_LONG8,\n tif->tif_dir.td_nstrips, offsets )\n && _TIFFRewriteField( tif, TIFFTAG_STRIPBYTECOUNTS, TIFF_LONG8,\n tif->tif_dir.td_nstrips, sizes ) )\n {\n tif->tif_flags &= ~TIFF_DIRTYSTRIP;\n tif->tif_flags &= ~TIFF_BEENWRITING;\n return 1;\n }\n }\n }\n if ((tif->tif_flags & (TIFF_DIRTYDIRECT|TIFF_DIRTYSTRIP))\n && !TIFFRewriteDirectory(tif))\n return (0);\n return (1);\n}', 'int\nTIFFFlushData(TIFF* tif)\n{\n\tif ((tif->tif_flags & TIFF_BEENWRITING) == 0)\n\t\treturn (1);\n\tif (tif->tif_flags & TIFF_POSTENCODE) {\n\t\ttif->tif_flags &= ~TIFF_POSTENCODE;\n\t\tif (!(*tif->tif_postencode)(tif))\n\t\t\treturn (0);\n\t}\n\treturn (TIFFFlushData1(tif));\n}', 'int\nTIFFRewriteDirectory( TIFF *tif )\n{\n\tstatic const char module[] = "TIFFRewriteDirectory";\n\tif( tif->tif_diroff == 0 )\n\t\treturn TIFFWriteDirectory( tif );\n\tif (!(tif->tif_flags&TIFF_BIGTIFF))\n\t{\n\t\tif (tif->tif_header.classic.tiff_diroff == tif->tif_diroff)\n\t\t{\n\t\t\ttif->tif_header.classic.tiff_diroff = 0;\n\t\t\ttif->tif_diroff = 0;\n\t\t\tTIFFSeekFile(tif,4,SEEK_SET);\n\t\t\tif (!WriteOK(tif, &(tif->tif_header.classic.tiff_diroff),4))\n\t\t\t{\n\t\t\t\tTIFFErrorExt(tif->tif_clientdata, tif->tif_name,\n\t\t\t\t "Error updating TIFF header");\n\t\t\t\treturn (0);\n\t\t\t}\n\t\t}\n\t\telse\n\t\t{\n\t\t\tuint32 nextdir;\n\t\t\tnextdir = tif->tif_header.classic.tiff_diroff;\n\t\t\twhile(1) {\n\t\t\t\tuint16 dircount;\n\t\t\t\tuint32 nextnextdir;\n\t\t\t\tif (!SeekOK(tif, nextdir) ||\n\t\t\t\t !ReadOK(tif, &dircount, 2)) {\n\t\t\t\t\tTIFFErrorExt(tif->tif_clientdata, module,\n\t\t\t\t\t "Error fetching directory count");\n\t\t\t\t\treturn (0);\n\t\t\t\t}\n\t\t\t\tif (tif->tif_flags & TIFF_SWAB)\n\t\t\t\t\tTIFFSwabShort(&dircount);\n\t\t\t\t(void) TIFFSeekFile(tif,\n\t\t\t\t nextdir+2+dircount*12, SEEK_SET);\n\t\t\t\tif (!ReadOK(tif, &nextnextdir, 4)) {\n\t\t\t\t\tTIFFErrorExt(tif->tif_clientdata, module,\n\t\t\t\t\t "Error fetching directory link");\n\t\t\t\t\treturn (0);\n\t\t\t\t}\n\t\t\t\tif (tif->tif_flags & TIFF_SWAB)\n\t\t\t\t\tTIFFSwabLong(&nextnextdir);\n\t\t\t\tif (nextnextdir==tif->tif_diroff)\n\t\t\t\t{\n\t\t\t\t\tuint32 m;\n\t\t\t\t\tm=0;\n\t\t\t\t\t(void) TIFFSeekFile(tif,\n\t\t\t\t\t nextdir+2+dircount*12, SEEK_SET);\n\t\t\t\t\tif (!WriteOK(tif, &m, 4)) {\n\t\t\t\t\t\tTIFFErrorExt(tif->tif_clientdata, module,\n\t\t\t\t\t\t "Error writing directory link");\n\t\t\t\t\t\treturn (0);\n\t\t\t\t\t}\n\t\t\t\t\ttif->tif_diroff=0;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t\tnextdir=nextnextdir;\n\t\t\t}\n\t\t}\n\t}\n\telse\n\t{\n\t\tif (tif->tif_header.big.tiff_diroff == tif->tif_diroff)\n\t\t{\n\t\t\ttif->tif_header.big.tiff_diroff = 0;\n\t\t\ttif->tif_diroff = 0;\n\t\t\tTIFFSeekFile(tif,8,SEEK_SET);\n\t\t\tif (!WriteOK(tif, &(tif->tif_header.big.tiff_diroff),8))\n\t\t\t{\n\t\t\t\tTIFFErrorExt(tif->tif_clientdata, tif->tif_name,\n\t\t\t\t "Error updating TIFF header");\n\t\t\t\treturn (0);\n\t\t\t}\n\t\t}\n\t\telse\n\t\t{\n\t\t\tuint64 nextdir;\n\t\t\tnextdir = tif->tif_header.big.tiff_diroff;\n\t\t\twhile(1) {\n\t\t\t\tuint64 dircount64;\n\t\t\t\tuint16 dircount;\n\t\t\t\tuint64 nextnextdir;\n\t\t\t\tif (!SeekOK(tif, nextdir) ||\n\t\t\t\t !ReadOK(tif, &dircount64, 8)) {\n\t\t\t\t\tTIFFErrorExt(tif->tif_clientdata, module,\n\t\t\t\t\t "Error fetching directory count");\n\t\t\t\t\treturn (0);\n\t\t\t\t}\n\t\t\t\tif (tif->tif_flags & TIFF_SWAB)\n\t\t\t\t\tTIFFSwabLong8(&dircount64);\n\t\t\t\tif (dircount64>0xFFFF)\n\t\t\t\t{\n\t\t\t\t\tTIFFErrorExt(tif->tif_clientdata, module,\n\t\t\t\t\t "Sanity check on tag count failed, likely corrupt TIFF");\n\t\t\t\t\treturn (0);\n\t\t\t\t}\n\t\t\t\tdircount=(uint16)dircount64;\n\t\t\t\t(void) TIFFSeekFile(tif,\n\t\t\t\t nextdir+8+dircount*20, SEEK_SET);\n\t\t\t\tif (!ReadOK(tif, &nextnextdir, 8)) {\n\t\t\t\t\tTIFFErrorExt(tif->tif_clientdata, module,\n\t\t\t\t\t "Error fetching directory link");\n\t\t\t\t\treturn (0);\n\t\t\t\t}\n\t\t\t\tif (tif->tif_flags & TIFF_SWAB)\n\t\t\t\t\tTIFFSwabLong8(&nextnextdir);\n\t\t\t\tif (nextnextdir==tif->tif_diroff)\n\t\t\t\t{\n\t\t\t\t\tuint64 m;\n\t\t\t\t\tm=0;\n\t\t\t\t\t(void) TIFFSeekFile(tif,\n\t\t\t\t\t nextdir+8+dircount*20, SEEK_SET);\n\t\t\t\t\tif (!WriteOK(tif, &m, 8)) {\n\t\t\t\t\t\tTIFFErrorExt(tif->tif_clientdata, module,\n\t\t\t\t\t\t "Error writing directory link");\n\t\t\t\t\t\treturn (0);\n\t\t\t\t\t}\n\t\t\t\t\ttif->tif_diroff=0;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t\tnextdir=nextnextdir;\n\t\t\t}\n\t\t}\n\t}\n\treturn TIFFWriteDirectory( tif );\n}', 'int\nTIFFWriteDirectory(TIFF* tif)\n{\n\treturn TIFFWriteDirectorySec(tif,TRUE,TRUE,NULL);\n}', 'static int\nTIFFWriteDirectorySec(TIFF* tif, int isimage, int imagedone, uint64* pdiroff)\n{\n\tstatic const char module[] = "TIFFWriteDirectorySec";\n\tuint32 ndir;\n\tTIFFDirEntry* dir;\n\tuint32 dirsize;\n\tvoid* dirmem;\n\tuint32 m;\n\tif (tif->tif_mode == O_RDONLY)\n\t\treturn (1);\n _TIFFFillStriles( tif );\n\tif (imagedone)\n\t{\n\t\tif (tif->tif_flags & TIFF_POSTENCODE)\n\t\t{\n\t\t\ttif->tif_flags &= ~TIFF_POSTENCODE;\n\t\t\tif (!(*tif->tif_postencode)(tif))\n\t\t\t{\n\t\t\t\tTIFFErrorExt(tif->tif_clientdata,module,\n\t\t\t\t "Error post-encoding before directory write");\n\t\t\t\treturn (0);\n\t\t\t}\n\t\t}\n\t\t(*tif->tif_close)(tif);\n\t\tif (tif->tif_rawcc > 0\n\t\t && (tif->tif_flags & TIFF_BEENWRITING) != 0 )\n\t\t{\n\t\t if( !TIFFFlushData1(tif) )\n {\n\t\t\tTIFFErrorExt(tif->tif_clientdata, module,\n\t\t\t "Error flushing data before directory write");\n\t\t\treturn (0);\n }\n\t\t}\n\t\tif ((tif->tif_flags & TIFF_MYBUFFER) && tif->tif_rawdata)\n\t\t{\n\t\t\t_TIFFfree(tif->tif_rawdata);\n\t\t\ttif->tif_rawdata = NULL;\n\t\t\ttif->tif_rawcc = 0;\n\t\t\ttif->tif_rawdatasize = 0;\n tif->tif_rawdataoff = 0;\n tif->tif_rawdataloaded = 0;\n\t\t}\n\t\ttif->tif_flags &= ~(TIFF_BEENWRITING|TIFF_BUFFERSETUP);\n\t}\n\tdir=NULL;\n\tdirmem=NULL;\n\tdirsize=0;\n\twhile (1)\n\t{\n\t\tndir=0;\n\t\tif (isimage)\n\t\t{\n\t\t\tif (TIFFFieldSet(tif,FIELD_IMAGEDIMENSIONS))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShortLong(tif,&ndir,dir,TIFFTAG_IMAGEWIDTH,tif->tif_dir.td_imagewidth))\n\t\t\t\t\tgoto bad;\n\t\t\t\tif (!TIFFWriteDirectoryTagShortLong(tif,&ndir,dir,TIFFTAG_IMAGELENGTH,tif->tif_dir.td_imagelength))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_TILEDIMENSIONS))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShortLong(tif,&ndir,dir,TIFFTAG_TILEWIDTH,tif->tif_dir.td_tilewidth))\n\t\t\t\t\tgoto bad;\n\t\t\t\tif (!TIFFWriteDirectoryTagShortLong(tif,&ndir,dir,TIFFTAG_TILELENGTH,tif->tif_dir.td_tilelength))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_RESOLUTION))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagRational(tif,&ndir,dir,TIFFTAG_XRESOLUTION,tif->tif_dir.td_xresolution))\n\t\t\t\t\tgoto bad;\n\t\t\t\tif (!TIFFWriteDirectoryTagRational(tif,&ndir,dir,TIFFTAG_YRESOLUTION,tif->tif_dir.td_yresolution))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_POSITION))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagRational(tif,&ndir,dir,TIFFTAG_XPOSITION,tif->tif_dir.td_xposition))\n\t\t\t\t\tgoto bad;\n\t\t\t\tif (!TIFFWriteDirectoryTagRational(tif,&ndir,dir,TIFFTAG_YPOSITION,tif->tif_dir.td_yposition))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_SUBFILETYPE))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagLong(tif,&ndir,dir,TIFFTAG_SUBFILETYPE,tif->tif_dir.td_subfiletype))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_BITSPERSAMPLE))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShortPerSample(tif,&ndir,dir,TIFFTAG_BITSPERSAMPLE,tif->tif_dir.td_bitspersample))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_COMPRESSION))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_COMPRESSION,tif->tif_dir.td_compression))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_PHOTOMETRIC))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_PHOTOMETRIC,tif->tif_dir.td_photometric))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_THRESHHOLDING))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_THRESHHOLDING,tif->tif_dir.td_threshholding))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_FILLORDER))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_FILLORDER,tif->tif_dir.td_fillorder))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_ORIENTATION))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_ORIENTATION,tif->tif_dir.td_orientation))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_SAMPLESPERPIXEL))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_SAMPLESPERPIXEL,tif->tif_dir.td_samplesperpixel))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_ROWSPERSTRIP))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShortLong(tif,&ndir,dir,TIFFTAG_ROWSPERSTRIP,tif->tif_dir.td_rowsperstrip))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_MINSAMPLEVALUE))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShortPerSample(tif,&ndir,dir,TIFFTAG_MINSAMPLEVALUE,tif->tif_dir.td_minsamplevalue))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_MAXSAMPLEVALUE))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShortPerSample(tif,&ndir,dir,TIFFTAG_MAXSAMPLEVALUE,tif->tif_dir.td_maxsamplevalue))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_PLANARCONFIG))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_PLANARCONFIG,tif->tif_dir.td_planarconfig))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_RESOLUTIONUNIT))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_RESOLUTIONUNIT,tif->tif_dir.td_resolutionunit))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_PAGENUMBER))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShortArray(tif,&ndir,dir,TIFFTAG_PAGENUMBER,2,&tif->tif_dir.td_pagenumber[0]))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_STRIPBYTECOUNTS))\n\t\t\t{\n\t\t\t\tif (!isTiled(tif))\n\t\t\t\t{\n\t\t\t\t\tif (!TIFFWriteDirectoryTagLongLong8Array(tif,&ndir,dir,TIFFTAG_STRIPBYTECOUNTS,tif->tif_dir.td_nstrips,tif->tif_dir.td_stripbytecount))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t}\n\t\t\t\telse\n\t\t\t\t{\n\t\t\t\t\tif (!TIFFWriteDirectoryTagLongLong8Array(tif,&ndir,dir,TIFFTAG_TILEBYTECOUNTS,tif->tif_dir.td_nstrips,tif->tif_dir.td_stripbytecount))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t}\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_STRIPOFFSETS))\n\t\t\t{\n\t\t\t\tif (!isTiled(tif))\n\t\t\t\t{\n if (tif->tif_dir.td_stripoffset != NULL &&\n !TIFFWriteDirectoryTagLongLong8Array(tif,&ndir,dir,TIFFTAG_STRIPOFFSETS,tif->tif_dir.td_nstrips,tif->tif_dir.td_stripoffset))\n goto bad;\n\t\t\t\t}\n\t\t\t\telse\n\t\t\t\t{\n\t\t\t\t\tif (!TIFFWriteDirectoryTagLongLong8Array(tif,&ndir,dir,TIFFTAG_TILEOFFSETS,tif->tif_dir.td_nstrips,tif->tif_dir.td_stripoffset))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t}\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_COLORMAP))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagColormap(tif,&ndir,dir))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_EXTRASAMPLES))\n\t\t\t{\n\t\t\t\tif (tif->tif_dir.td_extrasamples)\n\t\t\t\t{\n\t\t\t\t\tuint16 na;\n\t\t\t\t\tuint16* nb;\n\t\t\t\t\tTIFFGetFieldDefaulted(tif,TIFFTAG_EXTRASAMPLES,&na,&nb);\n\t\t\t\t\tif (!TIFFWriteDirectoryTagShortArray(tif,&ndir,dir,TIFFTAG_EXTRASAMPLES,na,nb))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t}\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_SAMPLEFORMAT))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShortPerSample(tif,&ndir,dir,TIFFTAG_SAMPLEFORMAT,tif->tif_dir.td_sampleformat))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_SMINSAMPLEVALUE))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagSampleformatArray(tif,&ndir,dir,TIFFTAG_SMINSAMPLEVALUE,tif->tif_dir.td_samplesperpixel,tif->tif_dir.td_sminsamplevalue))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_SMAXSAMPLEVALUE))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagSampleformatArray(tif,&ndir,dir,TIFFTAG_SMAXSAMPLEVALUE,tif->tif_dir.td_samplesperpixel,tif->tif_dir.td_smaxsamplevalue))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_IMAGEDEPTH))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagLong(tif,&ndir,dir,TIFFTAG_IMAGEDEPTH,tif->tif_dir.td_imagedepth))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_TILEDEPTH))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagLong(tif,&ndir,dir,TIFFTAG_TILEDEPTH,tif->tif_dir.td_tiledepth))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_HALFTONEHINTS))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShortArray(tif,&ndir,dir,TIFFTAG_HALFTONEHINTS,2,&tif->tif_dir.td_halftonehints[0]))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_YCBCRSUBSAMPLING))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShortArray(tif,&ndir,dir,TIFFTAG_YCBCRSUBSAMPLING,2,&tif->tif_dir.td_ycbcrsubsampling[0]))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_YCBCRPOSITIONING))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_YCBCRPOSITIONING,tif->tif_dir.td_ycbcrpositioning))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_REFBLACKWHITE))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagRationalArray(tif,&ndir,dir,TIFFTAG_REFERENCEBLACKWHITE,6,tif->tif_dir.td_refblackwhite))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_TRANSFERFUNCTION))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagTransferfunction(tif,&ndir,dir))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_INKNAMES))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagAscii(tif,&ndir,dir,TIFFTAG_INKNAMES,tif->tif_dir.td_inknameslen,tif->tif_dir.td_inknames))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\tif (TIFFFieldSet(tif,FIELD_SUBIFD))\n\t\t\t{\n\t\t\t\tif (!TIFFWriteDirectoryTagSubifd(tif,&ndir,dir))\n\t\t\t\t\tgoto bad;\n\t\t\t}\n\t\t\t{\n\t\t\t\tuint32 n;\n\t\t\t\tfor (n=0; n<tif->tif_nfields; n++) {\n\t\t\t\t\tconst TIFFField* o;\n\t\t\t\t\to = tif->tif_fields[n];\n\t\t\t\t\tif ((o->field_bit>=FIELD_CODEC)&&(TIFFFieldSet(tif,o->field_bit)))\n\t\t\t\t\t{\n\t\t\t\t\t\tswitch (o->get_field_type)\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\tcase TIFF_SETGET_ASCII:\n\t\t\t\t\t\t\t\t{\n\t\t\t\t\t\t\t\t\tuint32 pa;\n\t\t\t\t\t\t\t\t\tchar* pb;\n\t\t\t\t\t\t\t\t\tassert(o->field_type==TIFF_ASCII);\n\t\t\t\t\t\t\t\t\tassert(o->field_readcount==TIFF_VARIABLE);\n\t\t\t\t\t\t\t\t\tassert(o->field_passcount==0);\n\t\t\t\t\t\t\t\t\tTIFFGetField(tif,o->field_tag,&pb);\n\t\t\t\t\t\t\t\t\tpa=(uint32)(strlen(pb));\n\t\t\t\t\t\t\t\t\tif (!TIFFWriteDirectoryTagAscii(tif,&ndir,dir,(uint16)o->field_tag,pa,pb))\n\t\t\t\t\t\t\t\t\t\tgoto bad;\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t\tcase TIFF_SETGET_UINT16:\n\t\t\t\t\t\t\t\t{\n\t\t\t\t\t\t\t\t\tuint16 p;\n\t\t\t\t\t\t\t\t\tassert(o->field_type==TIFF_SHORT);\n\t\t\t\t\t\t\t\t\tassert(o->field_readcount==1);\n\t\t\t\t\t\t\t\t\tassert(o->field_passcount==0);\n\t\t\t\t\t\t\t\t\tTIFFGetField(tif,o->field_tag,&p);\n\t\t\t\t\t\t\t\t\tif (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,(uint16)o->field_tag,p))\n\t\t\t\t\t\t\t\t\t\tgoto bad;\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t\tcase TIFF_SETGET_UINT32:\n\t\t\t\t\t\t\t\t{\n\t\t\t\t\t\t\t\t\tuint32 p;\n\t\t\t\t\t\t\t\t\tassert(o->field_type==TIFF_LONG);\n\t\t\t\t\t\t\t\t\tassert(o->field_readcount==1);\n\t\t\t\t\t\t\t\t\tassert(o->field_passcount==0);\n\t\t\t\t\t\t\t\t\tTIFFGetField(tif,o->field_tag,&p);\n\t\t\t\t\t\t\t\t\tif (!TIFFWriteDirectoryTagLong(tif,&ndir,dir,(uint16)o->field_tag,p))\n\t\t\t\t\t\t\t\t\t\tgoto bad;\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t\tcase TIFF_SETGET_C32_UINT8:\n\t\t\t\t\t\t\t\t{\n\t\t\t\t\t\t\t\t\tuint32 pa;\n\t\t\t\t\t\t\t\t\tvoid* pb;\n\t\t\t\t\t\t\t\t\tassert(o->field_type==TIFF_UNDEFINED);\n\t\t\t\t\t\t\t\t\tassert(o->field_readcount==TIFF_VARIABLE2);\n\t\t\t\t\t\t\t\t\tassert(o->field_passcount==1);\n\t\t\t\t\t\t\t\t\tTIFFGetField(tif,o->field_tag,&pa,&pb);\n\t\t\t\t\t\t\t\t\tif (!TIFFWriteDirectoryTagUndefinedArray(tif,&ndir,dir,(uint16)o->field_tag,pa,pb))\n\t\t\t\t\t\t\t\t\t\tgoto bad;\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\t\tassert(0);\n\t\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\tfor (m=0; m<(uint32)(tif->tif_dir.td_customValueCount); m++)\n\t\t{\n uint16 tag = (uint16)tif->tif_dir.td_customValues[m].info->field_tag;\n uint32 count = tif->tif_dir.td_customValues[m].count;\n\t\t\tswitch (tif->tif_dir.td_customValues[m].info->field_type)\n\t\t\t{\n\t\t\t\tcase TIFF_ASCII:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagAscii(tif,&ndir,dir,tag,count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_UNDEFINED:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagUndefinedArray(tif,&ndir,dir,tag,count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_BYTE:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagByteArray(tif,&ndir,dir,tag,count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_SBYTE:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagSbyteArray(tif,&ndir,dir,tag,count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_SHORT:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagShortArray(tif,&ndir,dir,tag,count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_SSHORT:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagSshortArray(tif,&ndir,dir,tag,count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_LONG:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagLongArray(tif,&ndir,dir,tag,count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_SLONG:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagSlongArray(tif,&ndir,dir,tag,count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_LONG8:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagLong8Array(tif,&ndir,dir,tag,count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_SLONG8:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagSlong8Array(tif,&ndir,dir,tag,count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_RATIONAL:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagRationalArray(tif,&ndir,dir,tag,count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_SRATIONAL:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagSrationalArray(tif,&ndir,dir,tag,count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_FLOAT:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagFloatArray(tif,&ndir,dir,tag,count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_DOUBLE:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagDoubleArray(tif,&ndir,dir,tag,count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_IFD:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagIfdArray(tif,&ndir,dir,tag,count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tcase TIFF_IFD8:\n\t\t\t\t\tif (!TIFFWriteDirectoryTagIfdIfd8Array(tif,&ndir,dir,tag,count,tif->tif_dir.td_customValues[m].value))\n\t\t\t\t\t\tgoto bad;\n\t\t\t\t\tbreak;\n\t\t\t\tdefault:\n\t\t\t\t\tassert(0);\n\t\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\t\tif (dir!=NULL)\n\t\t\tbreak;\n\t\tdir=_TIFFmalloc(ndir*sizeof(TIFFDirEntry));\n\t\tif (dir==NULL)\n\t\t{\n\t\t\tTIFFErrorExt(tif->tif_clientdata,module,"Out of memory");\n\t\t\tgoto bad;\n\t\t}\n\t\tif (isimage)\n\t\t{\n\t\t\tif ((tif->tif_diroff==0)&&(!TIFFLinkDirectory(tif)))\n\t\t\t\tgoto bad;\n\t\t}\n\t\telse\n\t\t\ttif->tif_diroff=(TIFFSeekFile(tif,0,SEEK_END)+1)&(~((toff_t)1));\n\t\tif (pdiroff!=NULL)\n\t\t\t*pdiroff=tif->tif_diroff;\n\t\tif (!(tif->tif_flags&TIFF_BIGTIFF))\n\t\t\tdirsize=2+ndir*12+4;\n\t\telse\n\t\t\tdirsize=8+ndir*20+8;\n\t\ttif->tif_dataoff=tif->tif_diroff+dirsize;\n\t\tif (!(tif->tif_flags&TIFF_BIGTIFF))\n\t\t\ttif->tif_dataoff=(uint32)tif->tif_dataoff;\n\t\tif ((tif->tif_dataoff<tif->tif_diroff)||(tif->tif_dataoff<(uint64)dirsize))\n\t\t{\n\t\t\tTIFFErrorExt(tif->tif_clientdata,module,"Maximum TIFF file size exceeded");\n\t\t\tgoto bad;\n\t\t}\n\t\tif (tif->tif_dataoff&1)\n\t\t\ttif->tif_dataoff++;\n\t\tif (isimage)\n\t\t\ttif->tif_curdir++;\n\t}\n\tif (isimage)\n\t{\n\t\tif (TIFFFieldSet(tif,FIELD_SUBIFD)&&(tif->tif_subifdoff==0))\n\t\t{\n\t\t\tuint32 na;\n\t\t\tTIFFDirEntry* nb;\n\t\t\tfor (na=0, nb=dir; ; na++, nb++)\n\t\t\t{\n\t\t\t\tassert(na<ndir);\n\t\t\t\tif (nb->tdir_tag==TIFFTAG_SUBIFD)\n\t\t\t\t\tbreak;\n\t\t\t}\n\t\t\tif (!(tif->tif_flags&TIFF_BIGTIFF))\n\t\t\t\ttif->tif_subifdoff=tif->tif_diroff+2+na*12+8;\n\t\t\telse\n\t\t\t\ttif->tif_subifdoff=tif->tif_diroff+8+na*20+12;\n\t\t}\n\t}\n\tdirmem=_TIFFmalloc(dirsize);\n\tif (dirmem==NULL)\n\t{\n\t\tTIFFErrorExt(tif->tif_clientdata,module,"Out of memory");\n\t\tgoto bad;\n\t}\n\tif (!(tif->tif_flags&TIFF_BIGTIFF))\n\t{\n\t\tuint8* n;\n\t\tuint32 nTmp;\n\t\tTIFFDirEntry* o;\n\t\tn=dirmem;\n\t\t*(uint16*)n=(uint16)ndir;\n\t\tif (tif->tif_flags&TIFF_SWAB)\n\t\t\tTIFFSwabShort((uint16*)n);\n\t\tn+=2;\n\t\to=dir;\n\t\tfor (m=0; m<ndir; m++)\n\t\t{\n\t\t\t*(uint16*)n=o->tdir_tag;\n\t\t\tif (tif->tif_flags&TIFF_SWAB)\n\t\t\t\tTIFFSwabShort((uint16*)n);\n\t\t\tn+=2;\n\t\t\t*(uint16*)n=o->tdir_type;\n\t\t\tif (tif->tif_flags&TIFF_SWAB)\n\t\t\t\tTIFFSwabShort((uint16*)n);\n\t\t\tn+=2;\n\t\t\tnTmp = (uint32)o->tdir_count;\n\t\t\t_TIFFmemcpy(n,&nTmp,4);\n\t\t\tif (tif->tif_flags&TIFF_SWAB)\n\t\t\t\tTIFFSwabLong((uint32*)n);\n\t\t\tn+=4;\n\t\t\t_TIFFmemcpy(n,&o->tdir_offset,4);\n\t\t\tn+=4;\n\t\t\to++;\n\t\t}\n\t\tnTmp = (uint32)tif->tif_nextdiroff;\n\t\tif (tif->tif_flags&TIFF_SWAB)\n\t\t\tTIFFSwabLong(&nTmp);\n\t\t_TIFFmemcpy(n,&nTmp,4);\n\t}\n\telse\n\t{\n\t\tuint8* n;\n\t\tTIFFDirEntry* o;\n\t\tn=dirmem;\n\t\t*(uint64*)n=ndir;\n\t\tif (tif->tif_flags&TIFF_SWAB)\n\t\t\tTIFFSwabLong8((uint64*)n);\n\t\tn+=8;\n\t\to=dir;\n\t\tfor (m=0; m<ndir; m++)\n\t\t{\n\t\t\t*(uint16*)n=o->tdir_tag;\n\t\t\tif (tif->tif_flags&TIFF_SWAB)\n\t\t\t\tTIFFSwabShort((uint16*)n);\n\t\t\tn+=2;\n\t\t\t*(uint16*)n=o->tdir_type;\n\t\t\tif (tif->tif_flags&TIFF_SWAB)\n\t\t\t\tTIFFSwabShort((uint16*)n);\n\t\t\tn+=2;\n\t\t\t_TIFFmemcpy(n,&o->tdir_count,8);\n\t\t\tif (tif->tif_flags&TIFF_SWAB)\n\t\t\t\tTIFFSwabLong8((uint64*)n);\n\t\t\tn+=8;\n\t\t\t_TIFFmemcpy(n,&o->tdir_offset,8);\n\t\t\tn+=8;\n\t\t\to++;\n\t\t}\n\t\t_TIFFmemcpy(n,&tif->tif_nextdiroff,8);\n\t\tif (tif->tif_flags&TIFF_SWAB)\n\t\t\tTIFFSwabLong8((uint64*)n);\n\t}\n\t_TIFFfree(dir);\n\tdir=NULL;\n\tif (!SeekOK(tif,tif->tif_diroff))\n\t{\n\t\tTIFFErrorExt(tif->tif_clientdata,module,"IO error writing directory");\n\t\tgoto bad;\n\t}\n\tif (!WriteOK(tif,dirmem,(tmsize_t)dirsize))\n\t{\n\t\tTIFFErrorExt(tif->tif_clientdata,module,"IO error writing directory");\n\t\tgoto bad;\n\t}\n\t_TIFFfree(dirmem);\n\tif (imagedone)\n\t{\n\t\tTIFFFreeDirectory(tif);\n\t\ttif->tif_flags &= ~TIFF_DIRTYDIRECT;\n\t\ttif->tif_flags &= ~TIFF_DIRTYSTRIP;\n\t\t(*tif->tif_cleanup)(tif);\n\t\tTIFFCreateDirectory(tif);\n\t}\n\treturn(1);\nbad:\n\tif (dir!=NULL)\n\t\t_TIFFfree(dir);\n\tif (dirmem!=NULL)\n\t\t_TIFFfree(dirmem);\n\treturn(0);\n}', 'static int\nTIFFWriteDirectoryTagLongLong8Array(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint64* value)\n{\n static const char module[] = "TIFFWriteDirectoryTagLongLong8Array";\n uint64* ma;\n uint32 mb;\n uint32* p;\n uint32* q;\n int o;\n if (dir==NULL)\n {\n (*ndir)++;\n return(1);\n }\n if( tif->tif_flags&TIFF_BIGTIFF )\n return TIFFWriteDirectoryTagCheckedLong8Array(tif,ndir,dir,\n tag,count,value);\n p = _TIFFmalloc(count*sizeof(uint32));\n if (p==NULL)\n {\n TIFFErrorExt(tif->tif_clientdata,module,"Out of memory");\n return(0);\n }\n for (q=p, ma=value, mb=0; mb<count; ma++, mb++, q++)\n {\n if (*ma>0xFFFFFFFF)\n {\n TIFFErrorExt(tif->tif_clientdata,module,\n "Attempt to write value larger than 0xFFFFFFFF in Classic TIFF file.");\n _TIFFfree(p);\n return(0);\n }\n *q= (uint32)(*ma);\n }\n o=TIFFWriteDirectoryTagCheckedLongArray(tif,ndir,dir,tag,count,p);\n _TIFFfree(p);\n return(o);\n}', 'void*\n_TIFFmalloc(tmsize_t s)\n{\n if (s == 0)\n return ((void *) NULL);\n\treturn (malloc((size_t) s));\n}', 'static int\nTIFFWriteDirectoryTagCheckedLongArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint32* value)\n{\n\tassert(count<0x40000000);\n\tassert(sizeof(uint32)==4);\n\tif (tif->tif_flags&TIFF_SWAB)\n\t\tTIFFSwabArrayOfLong(value,count);\n\treturn(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_LONG,count,count*4,value));\n}', 'void\nTIFFSwabArrayOfLong(register uint32* lp, tmsize_t n)\n{\n\tregister unsigned char *cp;\n\tregister unsigned char t;\n\tassert(sizeof(uint32)==4);\n\twhile (n-- > 0) {\n\t\tcp = (unsigned char *)lp;\n\t\tt = cp[3]; cp[3] = cp[0]; cp[0] = t;\n\t\tt = cp[2]; cp[2] = cp[1]; cp[1] = t;\n\t\tlp++;\n\t}\n}'] |
11,758 | 0 | https://github.com/openssl/openssl/blob/0f3ffbd1581fad58095fedcc32b0da42a486b8b7/crypto/bn/bn_lcl.h/#L663 | static ossl_inline BIGNUM *bn_expand(BIGNUM *a, int bits)
{
if (bits > (INT_MAX - BN_BITS2 + 1))
return NULL;
if (((bits+BN_BITS2-1)/BN_BITS2) <= (a)->dmax)
return a;
return bn_expand2((a),(bits+BN_BITS2-1)/BN_BITS2);
} | ["int BN_dec2bn(BIGNUM **bn, const char *a)\n{\n BIGNUM *ret = NULL;\n BN_ULONG l = 0;\n int neg = 0, i, j;\n int num;\n if (a == NULL || *a == '\\0')\n return 0;\n if (*a == '-') {\n neg = 1;\n a++;\n }\n for (i = 0; i <= INT_MAX / 4 && ossl_isdigit(a[i]); i++)\n continue;\n if (i == 0 || i > INT_MAX / 4)\n goto err;\n num = i + neg;\n if (bn == NULL)\n return num;\n if (*bn == NULL) {\n if ((ret = BN_new()) == NULL)\n return 0;\n } else {\n ret = *bn;\n BN_zero(ret);\n }\n if (bn_expand(ret, i * 4) == NULL)\n goto err;\n j = BN_DEC_NUM - i % BN_DEC_NUM;\n if (j == BN_DEC_NUM)\n j = 0;\n l = 0;\n while (--i >= 0) {\n l *= 10;\n l += *a - '0';\n a++;\n if (++j == BN_DEC_NUM) {\n if (!BN_mul_word(ret, BN_DEC_CONV)\n || !BN_add_word(ret, l))\n goto err;\n l = 0;\n j = 0;\n }\n }\n bn_correct_top(ret);\n *bn = ret;\n bn_check_top(ret);\n if (ret->top != 0)\n ret->neg = neg;\n return num;\n err:\n if (*bn == NULL)\n BN_free(ret);\n return 0;\n}", 'static ossl_inline BIGNUM *bn_expand(BIGNUM *a, int bits)\n{\n if (bits > (INT_MAX - BN_BITS2 + 1))\n return NULL;\n if (((bits+BN_BITS2-1)/BN_BITS2) <= (a)->dmax)\n return a;\n return bn_expand2((a),(bits+BN_BITS2-1)/BN_BITS2);\n}'] |
11,759 | 0 | https://github.com/openssl/openssl/blob/f38edcab594b4934bd9625ef889934b2dfb5d1f0/crypto/bn/bn_lib.c/#L789 | 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
} | ['static BIGNUM *walk_curve(const EC_GROUP *group, EC_POINT *point, int64_t num)\n{\n BIGNUM *scalar = NULL;\n int64_t i;\n if (!TEST_ptr(scalar = BN_new())\n || !TEST_true(EC_POINT_get_affine_coordinates(group, point, scalar,\n NULL, NULL)))\n goto err;\n for (i = 0; i < num; i++) {\n if (!TEST_true(EC_POINT_mul(group, point, NULL, point, scalar, NULL))\n || !TEST_true(EC_POINT_get_affine_coordinates(group, point,\n scalar,\n NULL, NULL)))\n goto err;\n }\n return scalar;\nerr:\n BN_free(scalar);\n return NULL;\n}', 'int EC_POINT_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *g_scalar,\n const EC_POINT *point, const BIGNUM *p_scalar, BN_CTX *ctx)\n{\n const EC_POINT *points[1];\n const BIGNUM *scalars[1];\n points[0] = point;\n scalars[0] = p_scalar;\n return EC_POINTs_mul(group, r, g_scalar,\n (point != NULL\n && p_scalar != NULL), points, scalars, ctx);\n}', 'int EC_POINTs_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar,\n size_t num, const EC_POINT *points[],\n const BIGNUM *scalars[], BN_CTX *ctx)\n{\n int ret = 0;\n size_t i = 0;\n BN_CTX *new_ctx = NULL;\n if ((scalar == NULL) && (num == 0)) {\n return EC_POINT_set_to_infinity(group, r);\n }\n if (!ec_point_is_compat(r, group)) {\n ECerr(EC_F_EC_POINTS_MUL, EC_R_INCOMPATIBLE_OBJECTS);\n return 0;\n }\n for (i = 0; i < num; i++) {\n if (!ec_point_is_compat(points[i], group)) {\n ECerr(EC_F_EC_POINTS_MUL, EC_R_INCOMPATIBLE_OBJECTS);\n return 0;\n }\n }\n if (ctx == NULL && (ctx = new_ctx = BN_CTX_secure_new()) == NULL) {\n ECerr(EC_F_EC_POINTS_MUL, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n if (group->meth->mul != NULL)\n ret = group->meth->mul(group, r, scalar, num, points, scalars, ctx);\n else\n ret = ec_wNAF_mul(group, r, scalar, num, points, scalars, ctx);\n BN_CTX_free(new_ctx);\n return ret;\n}', 'int ec_wNAF_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar,\n size_t num, const EC_POINT *points[], const BIGNUM *scalars[],\n BN_CTX *ctx)\n{\n const EC_POINT *generator = NULL;\n EC_POINT *tmp = NULL;\n size_t totalnum;\n size_t blocksize = 0, numblocks = 0;\n size_t pre_points_per_block = 0;\n size_t i, j;\n int k;\n int r_is_inverted = 0;\n int r_is_at_infinity = 1;\n size_t *wsize = NULL;\n signed char **wNAF = NULL;\n size_t *wNAF_len = NULL;\n size_t max_len = 0;\n size_t num_val;\n EC_POINT **val = NULL;\n EC_POINT **v;\n EC_POINT ***val_sub = NULL;\n const EC_PRE_COMP *pre_comp = NULL;\n int num_scalar = 0;\n int ret = 0;\n if (!BN_is_zero(group->order) && !BN_is_zero(group->cofactor)) {\n if ((scalar != NULL) && (num == 0)) {\n return ec_scalar_mul_ladder(group, r, scalar, NULL, ctx);\n }\n if ((scalar == NULL) && (num == 1)) {\n return ec_scalar_mul_ladder(group, r, scalars[0], points[0], ctx);\n }\n }\n if (scalar != NULL) {\n generator = EC_GROUP_get0_generator(group);\n if (generator == NULL) {\n ECerr(EC_F_EC_WNAF_MUL, EC_R_UNDEFINED_GENERATOR);\n goto err;\n }\n pre_comp = group->pre_comp.ec;\n if (pre_comp && pre_comp->numblocks\n && (EC_POINT_cmp(group, generator, pre_comp->points[0], ctx) ==\n 0)) {\n blocksize = pre_comp->blocksize;\n numblocks = (BN_num_bits(scalar) / blocksize) + 1;\n if (numblocks > pre_comp->numblocks)\n numblocks = pre_comp->numblocks;\n pre_points_per_block = (size_t)1 << (pre_comp->w - 1);\n if (pre_comp->num != (pre_comp->numblocks * pre_points_per_block)) {\n ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);\n goto err;\n }\n } else {\n pre_comp = NULL;\n numblocks = 1;\n num_scalar = 1;\n }\n }\n totalnum = num + numblocks;\n wsize = OPENSSL_malloc(totalnum * sizeof(wsize[0]));\n wNAF_len = OPENSSL_malloc(totalnum * sizeof(wNAF_len[0]));\n wNAF = OPENSSL_malloc((totalnum + 1) * sizeof(wNAF[0]));\n val_sub = OPENSSL_malloc(totalnum * sizeof(val_sub[0]));\n if (wNAF != NULL)\n wNAF[0] = NULL;\n if (wsize == NULL || wNAF_len == NULL || wNAF == NULL || val_sub == NULL) {\n ECerr(EC_F_EC_WNAF_MUL, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n num_val = 0;\n for (i = 0; i < num + num_scalar; i++) {\n size_t bits;\n bits = i < num ? BN_num_bits(scalars[i]) : BN_num_bits(scalar);\n wsize[i] = EC_window_bits_for_scalar_size(bits);\n num_val += (size_t)1 << (wsize[i] - 1);\n wNAF[i + 1] = NULL;\n wNAF[i] =\n bn_compute_wNAF((i < num ? scalars[i] : scalar), wsize[i],\n &wNAF_len[i]);\n if (wNAF[i] == NULL)\n goto err;\n if (wNAF_len[i] > max_len)\n max_len = wNAF_len[i];\n }\n if (numblocks) {\n if (pre_comp == NULL) {\n if (num_scalar != 1) {\n ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);\n goto err;\n }\n } else {\n signed char *tmp_wNAF = NULL;\n size_t tmp_len = 0;\n if (num_scalar != 0) {\n ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);\n goto err;\n }\n wsize[num] = pre_comp->w;\n tmp_wNAF = bn_compute_wNAF(scalar, wsize[num], &tmp_len);\n if (!tmp_wNAF)\n goto err;\n if (tmp_len <= max_len) {\n numblocks = 1;\n totalnum = num + 1;\n wNAF[num] = tmp_wNAF;\n wNAF[num + 1] = NULL;\n wNAF_len[num] = tmp_len;\n val_sub[num] = pre_comp->points;\n } else {\n signed char *pp;\n EC_POINT **tmp_points;\n if (tmp_len < numblocks * blocksize) {\n numblocks = (tmp_len + blocksize - 1) / blocksize;\n if (numblocks > pre_comp->numblocks) {\n ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);\n OPENSSL_free(tmp_wNAF);\n goto err;\n }\n totalnum = num + numblocks;\n }\n pp = tmp_wNAF;\n tmp_points = pre_comp->points;\n for (i = num; i < totalnum; i++) {\n if (i < totalnum - 1) {\n wNAF_len[i] = blocksize;\n if (tmp_len < blocksize) {\n ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);\n OPENSSL_free(tmp_wNAF);\n goto err;\n }\n tmp_len -= blocksize;\n } else\n wNAF_len[i] = tmp_len;\n wNAF[i + 1] = NULL;\n wNAF[i] = OPENSSL_malloc(wNAF_len[i]);\n if (wNAF[i] == NULL) {\n ECerr(EC_F_EC_WNAF_MUL, ERR_R_MALLOC_FAILURE);\n OPENSSL_free(tmp_wNAF);\n goto err;\n }\n memcpy(wNAF[i], pp, wNAF_len[i]);\n if (wNAF_len[i] > max_len)\n max_len = wNAF_len[i];\n if (*tmp_points == NULL) {\n ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);\n OPENSSL_free(tmp_wNAF);\n goto err;\n }\n val_sub[i] = tmp_points;\n tmp_points += pre_points_per_block;\n pp += blocksize;\n }\n OPENSSL_free(tmp_wNAF);\n }\n }\n }\n val = OPENSSL_malloc((num_val + 1) * sizeof(val[0]));\n if (val == NULL) {\n ECerr(EC_F_EC_WNAF_MUL, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n val[num_val] = NULL;\n v = val;\n for (i = 0; i < num + num_scalar; i++) {\n val_sub[i] = v;\n for (j = 0; j < ((size_t)1 << (wsize[i] - 1)); j++) {\n *v = EC_POINT_new(group);\n if (*v == NULL)\n goto err;\n v++;\n }\n }\n if (!(v == val + num_val)) {\n ECerr(EC_F_EC_WNAF_MUL, ERR_R_INTERNAL_ERROR);\n goto err;\n }\n if ((tmp = EC_POINT_new(group)) == NULL)\n goto err;\n for (i = 0; i < num + num_scalar; i++) {\n if (i < num) {\n if (!EC_POINT_copy(val_sub[i][0], points[i]))\n goto err;\n } else {\n if (!EC_POINT_copy(val_sub[i][0], generator))\n goto err;\n }\n if (wsize[i] > 1) {\n if (!EC_POINT_dbl(group, tmp, val_sub[i][0], ctx))\n goto err;\n for (j = 1; j < ((size_t)1 << (wsize[i] - 1)); j++) {\n if (!EC_POINT_add\n (group, val_sub[i][j], val_sub[i][j - 1], tmp, ctx))\n goto err;\n }\n }\n }\n if (!EC_POINTs_make_affine(group, num_val, val, ctx))\n goto err;\n r_is_at_infinity = 1;\n for (k = max_len - 1; k >= 0; k--) {\n if (!r_is_at_infinity) {\n if (!EC_POINT_dbl(group, r, r, ctx))\n goto err;\n }\n for (i = 0; i < totalnum; i++) {\n if (wNAF_len[i] > (size_t)k) {\n int digit = wNAF[i][k];\n int is_neg;\n if (digit) {\n is_neg = digit < 0;\n if (is_neg)\n digit = -digit;\n if (is_neg != r_is_inverted) {\n if (!r_is_at_infinity) {\n if (!EC_POINT_invert(group, r, ctx))\n goto err;\n }\n r_is_inverted = !r_is_inverted;\n }\n if (r_is_at_infinity) {\n if (!EC_POINT_copy(r, val_sub[i][digit >> 1]))\n goto err;\n r_is_at_infinity = 0;\n } else {\n if (!EC_POINT_add\n (group, r, r, val_sub[i][digit >> 1], ctx))\n goto err;\n }\n }\n }\n }\n }\n if (r_is_at_infinity) {\n if (!EC_POINT_set_to_infinity(group, r))\n goto err;\n } else {\n if (r_is_inverted)\n if (!EC_POINT_invert(group, r, ctx))\n goto err;\n }\n ret = 1;\n err:\n EC_POINT_free(tmp);\n OPENSSL_free(wsize);\n OPENSSL_free(wNAF_len);\n if (wNAF != NULL) {\n signed char **w;\n for (w = wNAF; *w != NULL; w++)\n OPENSSL_free(*w);\n OPENSSL_free(wNAF);\n }\n if (val != NULL) {\n for (v = val; *v != NULL; v++)\n EC_POINT_clear_free(*v);\n OPENSSL_free(val);\n }\n OPENSSL_free(val_sub);\n return ret;\n}', 'int ec_scalar_mul_ladder(const EC_GROUP *group, EC_POINT *r,\n const BIGNUM *scalar, const EC_POINT *point,\n BN_CTX *ctx)\n{\n int i, cardinality_bits, group_top, kbit, pbit, Z_is_one;\n EC_POINT *p = NULL;\n EC_POINT *s = NULL;\n BIGNUM *k = NULL;\n BIGNUM *lambda = NULL;\n BIGNUM *cardinality = NULL;\n int ret = 0;\n if (point != NULL && EC_POINT_is_at_infinity(group, point))\n return EC_POINT_set_to_infinity(group, r);\n if (BN_is_zero(group->order)) {\n ECerr(EC_F_EC_SCALAR_MUL_LADDER, EC_R_UNKNOWN_ORDER);\n return 0;\n }\n if (BN_is_zero(group->cofactor)) {\n ECerr(EC_F_EC_SCALAR_MUL_LADDER, EC_R_UNKNOWN_COFACTOR);\n return 0;\n }\n BN_CTX_start(ctx);\n if (((p = EC_POINT_new(group)) == NULL)\n || ((s = EC_POINT_new(group)) == NULL)) {\n ECerr(EC_F_EC_SCALAR_MUL_LADDER, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n if (point == NULL) {\n if (!EC_POINT_copy(p, group->generator)) {\n ECerr(EC_F_EC_SCALAR_MUL_LADDER, ERR_R_EC_LIB);\n goto err;\n }\n } else {\n if (!EC_POINT_copy(p, point)) {\n ECerr(EC_F_EC_SCALAR_MUL_LADDER, ERR_R_EC_LIB);\n goto err;\n }\n }\n EC_POINT_BN_set_flags(p, BN_FLG_CONSTTIME);\n EC_POINT_BN_set_flags(r, BN_FLG_CONSTTIME);\n EC_POINT_BN_set_flags(s, BN_FLG_CONSTTIME);\n cardinality = BN_CTX_get(ctx);\n lambda = BN_CTX_get(ctx);\n k = BN_CTX_get(ctx);\n if (k == NULL) {\n ECerr(EC_F_EC_SCALAR_MUL_LADDER, ERR_R_MALLOC_FAILURE);\n goto err;\n }\n if (!BN_mul(cardinality, group->order, group->cofactor, ctx)) {\n ECerr(EC_F_EC_SCALAR_MUL_LADDER, ERR_R_BN_LIB);\n goto err;\n }\n cardinality_bits = BN_num_bits(cardinality);\n group_top = bn_get_top(cardinality);\n if ((bn_wexpand(k, group_top + 1) == NULL)\n || (bn_wexpand(lambda, group_top + 1) == NULL)) {\n ECerr(EC_F_EC_SCALAR_MUL_LADDER, ERR_R_BN_LIB);\n goto err;\n }\n if (!BN_copy(k, scalar)) {\n ECerr(EC_F_EC_SCALAR_MUL_LADDER, ERR_R_BN_LIB);\n goto err;\n }\n BN_set_flags(k, BN_FLG_CONSTTIME);\n if ((BN_num_bits(k) > cardinality_bits) || (BN_is_negative(k))) {\n if (!BN_nnmod(k, k, cardinality, ctx)) {\n ECerr(EC_F_EC_SCALAR_MUL_LADDER, ERR_R_BN_LIB);\n goto err;\n }\n }\n if (!BN_add(lambda, k, cardinality)) {\n ECerr(EC_F_EC_SCALAR_MUL_LADDER, ERR_R_BN_LIB);\n goto err;\n }\n BN_set_flags(lambda, BN_FLG_CONSTTIME);\n if (!BN_add(k, lambda, cardinality)) {\n ECerr(EC_F_EC_SCALAR_MUL_LADDER, ERR_R_BN_LIB);\n goto err;\n }\n kbit = BN_is_bit_set(lambda, cardinality_bits);\n BN_consttime_swap(kbit, k, lambda, group_top + 1);\n group_top = bn_get_top(group->field);\n if ((bn_wexpand(s->X, group_top) == NULL)\n || (bn_wexpand(s->Y, group_top) == NULL)\n || (bn_wexpand(s->Z, group_top) == NULL)\n || (bn_wexpand(r->X, group_top) == NULL)\n || (bn_wexpand(r->Y, group_top) == NULL)\n || (bn_wexpand(r->Z, group_top) == NULL)\n || (bn_wexpand(p->X, group_top) == NULL)\n || (bn_wexpand(p->Y, group_top) == NULL)\n || (bn_wexpand(p->Z, group_top) == NULL)) {\n ECerr(EC_F_EC_SCALAR_MUL_LADDER, ERR_R_BN_LIB);\n goto err;\n }\n if (!ec_point_blind_coordinates(group, p, ctx)) {\n ECerr(EC_F_EC_SCALAR_MUL_LADDER, EC_R_POINT_COORDINATES_BLIND_FAILURE);\n goto err;\n }\n if (!ec_point_ladder_pre(group, r, s, p, ctx)) {\n ECerr(EC_F_EC_SCALAR_MUL_LADDER, EC_R_LADDER_PRE_FAILURE);\n goto err;\n }\n pbit = 1;\n#define EC_POINT_CSWAP(c, a, b, w, t) do { \\\n BN_consttime_swap(c, (a)->X, (b)->X, w); \\\n BN_consttime_swap(c, (a)->Y, (b)->Y, w); \\\n BN_consttime_swap(c, (a)->Z, (b)->Z, w); \\\n t = ((a)->Z_is_one ^ (b)->Z_is_one) & (c); \\\n (a)->Z_is_one ^= (t); \\\n (b)->Z_is_one ^= (t); \\\n} while(0)\n for (i = cardinality_bits - 1; i >= 0; i--) {\n kbit = BN_is_bit_set(k, i) ^ pbit;\n EC_POINT_CSWAP(kbit, r, s, group_top, Z_is_one);\n if (!ec_point_ladder_step(group, r, s, p, ctx)) {\n ECerr(EC_F_EC_SCALAR_MUL_LADDER, EC_R_LADDER_STEP_FAILURE);\n goto err;\n }\n pbit ^= kbit;\n }\n EC_POINT_CSWAP(pbit, r, s, group_top, Z_is_one);\n#undef EC_POINT_CSWAP\n if (!ec_point_ladder_post(group, r, s, p, ctx)) {\n ECerr(EC_F_EC_SCALAR_MUL_LADDER, EC_R_LADDER_POST_FAILURE);\n goto err;\n }\n ret = 1;\n err:\n EC_POINT_free(p);\n EC_POINT_free(s);\n BN_CTX_end(ctx);\n return ret;\n}', 'BIGNUM *bn_wexpand(BIGNUM *a, int words)\n{\n return (words <= a->dmax) ? a : bn_expand2(a, words);\n}', 'void BN_consttime_swap(BN_ULONG condition, BIGNUM *a, BIGNUM *b, int nwords)\n{\n BN_ULONG t;\n int i;\n bn_wcheck_size(a, nwords);\n bn_wcheck_size(b, nwords);\n assert(a != b);\n assert((condition & (condition - 1)) == 0);\n assert(sizeof(BN_ULONG) >= sizeof(int));\n condition = ((condition - 1) >> (BN_BITS2 - 1)) - 1;\n t = (a->top ^ b->top) & condition;\n a->top ^= t;\n b->top ^= t;\n t = (a->neg ^ b->neg) & condition;\n a->neg ^= t;\n b->neg ^= t;\n t = ((a->flags ^ b->flags) & BN_FLG_CONSTTIME) & condition;\n a->flags ^= t;\n b->flags ^= t;\n#define BN_CONSTTIME_SWAP(ind) \\\n do { \\\n t = (a->d[ind] ^ b->d[ind]) & condition; \\\n a->d[ind] ^= t; \\\n b->d[ind] ^= t; \\\n } while (0)\n switch (nwords) {\n default:\n for (i = 10; i < nwords; i++)\n BN_CONSTTIME_SWAP(i);\n case 10:\n BN_CONSTTIME_SWAP(9);\n case 9:\n BN_CONSTTIME_SWAP(8);\n case 8:\n BN_CONSTTIME_SWAP(7);\n case 7:\n BN_CONSTTIME_SWAP(6);\n case 6:\n BN_CONSTTIME_SWAP(5);\n case 5:\n BN_CONSTTIME_SWAP(4);\n case 4:\n BN_CONSTTIME_SWAP(3);\n case 3:\n BN_CONSTTIME_SWAP(2);\n case 2:\n BN_CONSTTIME_SWAP(1);\n case 1:\n BN_CONSTTIME_SWAP(0);\n }\n#undef BN_CONSTTIME_SWAP\n}'] |
11,760 | 0 | https://github.com/openssl/openssl/blob/d40a1b865fddc3d67f8c06ff1f1466fad331c8f7/crypto/bn/bn_lib.c/#L709 | int BN_cmp(const BIGNUM *a, const BIGNUM *b)
{
int i;
int gt,lt;
BN_ULONG t1,t2;
if ((a == NULL) || (b == NULL))
{
if (a != NULL)
return(-1);
else if (b != NULL)
return(1);
else
return(0);
}
bn_check_top(a);
bn_check_top(b);
if (a->neg != b->neg)
{
if (a->neg)
return(-1);
else return(1);
}
if (a->neg == 0)
{ gt=1; lt= -1; }
else { gt= -1; lt=1; }
if (a->top > b->top) return(gt);
if (a->top < b->top) return(lt);
for (i=a->top-1; i>=0; i--)
{
t1=a->d[i];
t2=b->d[i];
if (t1 > t2) return(gt);
if (t1 < t2) return(lt);
}
return(0);
} | ['int EC_KEY_generate_key(EC_KEY *eckey)\n\t{\n\tint\tok = 0;\n\tBN_CTX\t*ctx = NULL;\n\tBIGNUM\t*priv_key = NULL, *order = NULL;\n\tEC_POINT *pub_key = NULL;\n\tif (!eckey || !eckey->group)\n\t\t{\n\t\tECerr(EC_F_EC_KEY_GENERATE_KEY, ERR_R_PASSED_NULL_PARAMETER);\n\t\treturn 0;\n\t\t}\n\tif ((order = BN_new()) == NULL) goto err;\n\tif ((ctx = BN_CTX_new()) == NULL) goto err;\n\tif (eckey->priv_key == NULL)\n\t\t{\n\t\tpriv_key = BN_new();\n\t\tif (priv_key == NULL)\n\t\t\tgoto err;\n\t\t}\n\telse\n\t\tpriv_key = eckey->priv_key;\n\tif (!EC_GROUP_get_order(eckey->group, order, ctx))\n\t\tgoto err;\n\tdo\n\t\tif (!BN_rand_range(priv_key, order))\n\t\t\tgoto err;\n\twhile (BN_is_zero(priv_key));\n\tif (eckey->pub_key == NULL)\n\t\t{\n\t\tpub_key = EC_POINT_new(eckey->group);\n\t\tif (pub_key == NULL)\n\t\t\tgoto err;\n\t\t}\n\telse\n\t\tpub_key = eckey->pub_key;\n\tif (!EC_POINT_mul(eckey->group, pub_key, priv_key, NULL, NULL, ctx))\n\t\tgoto err;\n\teckey->priv_key = priv_key;\n\teckey->pub_key = pub_key;\n\tok=1;\nerr:\n\tif (order)\n\t\tBN_free(order);\n\tif (pub_key != NULL && eckey->pub_key == NULL)\n\t\tEC_POINT_free(pub_key);\n\tif (priv_key != NULL && eckey->priv_key == NULL)\n\t\tBN_free(priv_key);\n\tif (ctx != NULL)\n\t\tBN_CTX_free(ctx);\n\treturn(ok);\n\t}', 'int\tBN_rand_range(BIGNUM *r, const BIGNUM *range)\n\t{\n\treturn bn_rand_range(0, r, range);\n\t}', 'static int bn_rand_range(int pseudo, BIGNUM *r, const BIGNUM *range)\n\t{\n\tint (*bn_rand)(BIGNUM *, size_t, int, int)\n\t = pseudo ? BN_pseudo_rand : BN_rand;\n\tint n;\n\tint count = 100;\n\tif (range->neg || BN_is_zero(range))\n\t\t{\n\t\tBNerr(BN_F_BN_RAND_RANGE, BN_R_INVALID_RANGE);\n\t\treturn 0;\n\t\t}\n\tn = BN_num_bits(range);\n\tif (n == 1)\n\t\tBN_zero(r);\n\telse if (!BN_is_bit_set(range, n - 2) && !BN_is_bit_set(range, n - 3))\n\t\t{\n\t\tdo\n\t\t\t{\n\t\t\tif (!bn_rand(r, n + 1, -1, 0)) return 0;\n\t\t\tif (BN_cmp(r ,range) >= 0)\n\t\t\t\t{\n\t\t\t\tif (!BN_sub(r, r, range)) return 0;\n\t\t\t\tif (BN_cmp(r, range) >= 0)\n\t\t\t\t\tif (!BN_sub(r, r, range)) return 0;\n\t\t\t\t}\n\t\t\tif (!--count)\n\t\t\t\t{\n\t\t\t\tBNerr(BN_F_BN_RAND_RANGE, BN_R_TOO_MANY_ITERATIONS);\n\t\t\t\treturn 0;\n\t\t\t\t}\n\t\t\t}\n\t\twhile (BN_cmp(r, range) >= 0);\n\t\t}\n\telse\n\t\t{\n\t\tdo\n\t\t\t{\n\t\t\tif (!bn_rand(r, n, -1, 0)) return 0;\n\t\t\tif (!--count)\n\t\t\t\t{\n\t\t\t\tBNerr(BN_F_BN_RAND_RANGE, BN_R_TOO_MANY_ITERATIONS);\n\t\t\t\treturn 0;\n\t\t\t\t}\n\t\t\t}\n\t\twhile (BN_cmp(r, range) >= 0);\n\t\t}\n\tbn_check_top(r);\n\treturn 1;\n\t}', 'int BN_cmp(const BIGNUM *a, const BIGNUM *b)\n\t{\n\tint i;\n\tint gt,lt;\n\tBN_ULONG t1,t2;\n\tif ((a == NULL) || (b == NULL))\n\t\t{\n\t\tif (a != NULL)\n\t\t\treturn(-1);\n\t\telse if (b != NULL)\n\t\t\treturn(1);\n\t\telse\n\t\t\treturn(0);\n\t\t}\n\tbn_check_top(a);\n\tbn_check_top(b);\n\tif (a->neg != b->neg)\n\t\t{\n\t\tif (a->neg)\n\t\t\treturn(-1);\n\t\telse\treturn(1);\n\t\t}\n\tif (a->neg == 0)\n\t\t{ gt=1; lt= -1; }\n\telse\t{ gt= -1; lt=1; }\n\tif (a->top > b->top) return(gt);\n\tif (a->top < b->top) return(lt);\n\tfor (i=a->top-1; i>=0; i--)\n\t\t{\n\t\tt1=a->d[i];\n\t\tt2=b->d[i];\n\t\tif (t1 > t2) return(gt);\n\t\tif (t1 < t2) return(lt);\n\t\t}\n\treturn(0);\n\t}'] |
11,761 | 0 | https://github.com/openssl/openssl/blob/8b0d4242404f9e5da26e7594fa0864b2df4601af/crypto/bn/bn_lib.c/#L333 | BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)
{
bn_check_top(b);
if (a == b)
return a;
if (bn_wexpand(a, b->top) == NULL)
return NULL;
if (b->top > 0)
memcpy(a->d, b->d, sizeof(b->d[0]) * b->top);
a->top = b->top;
a->neg = b->neg;
bn_check_top(a);
return a;
} | ['int EC_GROUP_set_generator(EC_GROUP *group, const EC_POINT *generator,\n const BIGNUM *order, const BIGNUM *cofactor)\n{\n if (generator == NULL) {\n ECerr(EC_F_EC_GROUP_SET_GENERATOR, ERR_R_PASSED_NULL_PARAMETER);\n return 0;\n }\n if (group->generator == NULL) {\n group->generator = EC_POINT_new(group);\n if (group->generator == NULL)\n return 0;\n }\n if (!EC_POINT_copy(group->generator, generator))\n return 0;\n if (order != NULL) {\n if (!BN_copy(group->order, order))\n return 0;\n } else\n BN_zero(group->order);\n if (cofactor != NULL) {\n if (!BN_copy(group->cofactor, cofactor))\n return 0;\n } else\n BN_zero(group->cofactor);\n if (BN_is_odd(group->order)) {\n return ec_precompute_mont_data(group);\n }\n BN_MONT_CTX_free(group->mont_data);\n group->mont_data = NULL;\n return 1;\n}', 'BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)\n{\n bn_check_top(b);\n if (a == b)\n return a;\n if (bn_wexpand(a, b->top) == NULL)\n return NULL;\n if (b->top > 0)\n memcpy(a->d, b->d, sizeof(b->d[0]) * b->top);\n a->top = b->top;\n a->neg = b->neg;\n bn_check_top(a);\n return a;\n}', 'int BN_is_odd(const BIGNUM *a)\n{\n return (a->top > 0) && (a->d[0] & 1);\n}', 'int ec_precompute_mont_data(EC_GROUP *group)\n{\n BN_CTX *ctx = BN_CTX_new();\n int ret = 0;\n BN_MONT_CTX_free(group->mont_data);\n group->mont_data = NULL;\n if (ctx == NULL)\n goto err;\n group->mont_data = BN_MONT_CTX_new();\n if (group->mont_data == NULL)\n goto err;\n if (!BN_MONT_CTX_set(group->mont_data, group->order, ctx)) {\n BN_MONT_CTX_free(group->mont_data);\n group->mont_data = NULL;\n goto err;\n }\n ret = 1;\n err:\n BN_CTX_free(ctx);\n return ret;\n}', 'int BN_MONT_CTX_set(BN_MONT_CTX *mont, const BIGNUM *mod, BN_CTX *ctx)\n{\n int ret = 0;\n BIGNUM *Ri, *R;\n if (BN_is_zero(mod))\n return 0;\n BN_CTX_start(ctx);\n if ((Ri = BN_CTX_get(ctx)) == NULL)\n goto err;\n R = &(mont->RR);\n if (!BN_copy(&(mont->N), mod))\n goto err;\n mont->N.neg = 0;\n#ifdef MONT_WORD\n {\n BIGNUM tmod;\n BN_ULONG buf[2];\n bn_init(&tmod);\n tmod.d = buf;\n tmod.dmax = 2;\n tmod.neg = 0;\n mont->ri = (BN_num_bits(mod) + (BN_BITS2 - 1)) / BN_BITS2 * BN_BITS2;\n# if defined(OPENSSL_BN_ASM_MONT) && (BN_BITS2<=32)\n BN_zero(R);\n if (!(BN_set_bit(R, 2 * BN_BITS2)))\n goto err;\n tmod.top = 0;\n if ((buf[0] = mod->d[0]))\n tmod.top = 1;\n if ((buf[1] = mod->top > 1 ? mod->d[1] : 0))\n tmod.top = 2;\n if ((BN_mod_inverse(Ri, R, &tmod, ctx)) == NULL)\n goto err;\n if (!BN_lshift(Ri, Ri, 2 * BN_BITS2))\n goto err;\n if (!BN_is_zero(Ri)) {\n if (!BN_sub_word(Ri, 1))\n goto err;\n } else {\n if (bn_expand(Ri, (int)sizeof(BN_ULONG) * 2) == NULL)\n goto err;\n Ri->neg = 0;\n Ri->d[0] = BN_MASK2;\n Ri->d[1] = BN_MASK2;\n Ri->top = 2;\n }\n if (!BN_div(Ri, NULL, Ri, &tmod, ctx))\n goto err;\n mont->n0[0] = (Ri->top > 0) ? Ri->d[0] : 0;\n mont->n0[1] = (Ri->top > 1) ? Ri->d[1] : 0;\n# else\n BN_zero(R);\n if (!(BN_set_bit(R, BN_BITS2)))\n goto err;\n buf[0] = mod->d[0];\n buf[1] = 0;\n tmod.top = buf[0] != 0 ? 1 : 0;\n if ((BN_mod_inverse(Ri, R, &tmod, ctx)) == NULL)\n goto err;\n if (!BN_lshift(Ri, Ri, BN_BITS2))\n goto err;\n if (!BN_is_zero(Ri)) {\n if (!BN_sub_word(Ri, 1))\n goto err;\n } else {\n if (!BN_set_word(Ri, BN_MASK2))\n goto err;\n }\n if (!BN_div(Ri, NULL, Ri, &tmod, ctx))\n goto err;\n mont->n0[0] = (Ri->top > 0) ? Ri->d[0] : 0;\n mont->n0[1] = 0;\n# endif\n }\n#else\n {\n mont->ri = BN_num_bits(&mont->N);\n BN_zero(R);\n if (!BN_set_bit(R, mont->ri))\n goto err;\n if ((BN_mod_inverse(Ri, R, &mont->N, ctx)) == NULL)\n goto err;\n if (!BN_lshift(Ri, Ri, mont->ri))\n goto err;\n if (!BN_sub_word(Ri, 1))\n goto err;\n if (!BN_div(&(mont->Ni), NULL, Ri, &mont->N, ctx))\n goto err;\n }\n#endif\n BN_zero(&(mont->RR));\n if (!BN_set_bit(&(mont->RR), mont->ri * 2))\n goto err;\n if (!BN_mod(&(mont->RR), &(mont->RR), &(mont->N), ctx))\n goto err;\n ret = 1;\n err:\n BN_CTX_end(ctx);\n return ret;\n}', 'int BN_is_zero(const BIGNUM *a)\n{\n return a->top == 0;\n}', 'BIGNUM *bn_wexpand(BIGNUM *a, int words)\n{\n return (words <= a->dmax) ? a : bn_expand2(a, words);\n}'] |
11,762 | 0 | https://github.com/libav/libav/blob/a1c1c7801918c46da5525cfddb99f3467c522b02/libavcodec/rv40.c/#L561 | static void rv40_loop_filter(RV34DecContext *r, int row)
{
MpegEncContext *s = &r->s;
int mb_pos, mb_x;
int i, j, k;
uint8_t *Y, *C;
int alpha, beta, betaY, betaC;
int q;
int mbtype[4];
int mb_strong[4];
int clip[4];
int cbp[4];
int uvcbp[4][2];
int mvmasks[4];
mb_pos = row * s->mb_stride;
for(mb_x = 0; mb_x < s->mb_width; mb_x++, mb_pos++){
int mbtype = s->current_picture_ptr->mb_type[mb_pos];
if(IS_INTRA(mbtype) || IS_SEPARATE_DC(mbtype))
r->cbp_luma [mb_pos] = 0xFFFF;
if(IS_INTRA(mbtype))
r->cbp_chroma[mb_pos] = 0xFF;
}
mb_pos = row * s->mb_stride;
for(mb_x = 0; mb_x < s->mb_width; mb_x++, mb_pos++){
int y_h_deblock, y_v_deblock;
int c_v_deblock[2], c_h_deblock[2];
int clip_left;
int avail[4];
int y_to_deblock, c_to_deblock[2];
q = s->current_picture_ptr->qscale_table[mb_pos];
alpha = rv40_alpha_tab[q];
beta = rv40_beta_tab [q];
betaY = betaC = beta * 3;
if(s->width * s->height <= 176*144)
betaY += beta;
avail[0] = 1;
avail[1] = row;
avail[2] = mb_x;
avail[3] = row < s->mb_height - 1;
for(i = 0; i < 4; i++){
if(avail[i]){
int pos = mb_pos + neighbour_offs_x[i] + neighbour_offs_y[i]*s->mb_stride;
mvmasks[i] = r->deblock_coefs[pos];
mbtype [i] = s->current_picture_ptr->mb_type[pos];
cbp [i] = r->cbp_luma[pos];
uvcbp[i][0] = r->cbp_chroma[pos] & 0xF;
uvcbp[i][1] = r->cbp_chroma[pos] >> 4;
}else{
mvmasks[i] = 0;
mbtype [i] = mbtype[0];
cbp [i] = 0;
uvcbp[i][0] = uvcbp[i][1] = 0;
}
mb_strong[i] = IS_INTRA(mbtype[i]) || IS_SEPARATE_DC(mbtype[i]);
clip[i] = rv40_filter_clip_tbl[mb_strong[i] + 1][q];
}
y_to_deblock = cbp[POS_CUR]
| (cbp[POS_BOTTOM] << 16)
| mvmasks[POS_CUR]
| (mvmasks[POS_BOTTOM] << 16);
y_h_deblock = y_to_deblock
| ((cbp[POS_CUR] << 4) & ~MASK_Y_TOP_ROW)
| ((cbp[POS_TOP] & MASK_Y_LAST_ROW) >> 12);
y_v_deblock = y_to_deblock
| ((cbp[POS_CUR] << 1) & ~MASK_Y_LEFT_COL)
| ((cbp[POS_LEFT] & MASK_Y_RIGHT_COL) >> 3);
if(!mb_x)
y_v_deblock &= ~MASK_Y_LEFT_COL;
if(!row)
y_h_deblock &= ~MASK_Y_TOP_ROW;
if(row == s->mb_height - 1 || (mb_strong[POS_CUR] || mb_strong[POS_BOTTOM]))
y_h_deblock &= ~(MASK_Y_TOP_ROW << 16);
for(i = 0; i < 2; i++){
c_to_deblock[i] = (uvcbp[POS_BOTTOM][i] << 4) | uvcbp[POS_CUR][i];
c_v_deblock[i] = c_to_deblock[i]
| ((uvcbp[POS_CUR] [i] << 1) & ~MASK_C_LEFT_COL)
| ((uvcbp[POS_LEFT][i] & MASK_C_RIGHT_COL) >> 1);
c_h_deblock[i] = c_to_deblock[i]
| ((uvcbp[POS_TOP][i] & MASK_C_LAST_ROW) >> 2)
| (uvcbp[POS_CUR][i] << 2);
if(!mb_x)
c_v_deblock[i] &= ~MASK_C_LEFT_COL;
if(!row)
c_h_deblock[i] &= ~MASK_C_TOP_ROW;
if(row == s->mb_height - 1 || mb_strong[POS_CUR] || mb_strong[POS_BOTTOM])
c_h_deblock[i] &= ~(MASK_C_TOP_ROW << 4);
}
for(j = 0; j < 16; j += 4){
Y = s->current_picture_ptr->data[0] + mb_x*16 + (row*16 + j) * s->linesize;
for(i = 0; i < 4; i++, Y += 4){
int ij = i + j;
int clip_cur = y_to_deblock & (MASK_CUR << ij) ? clip[POS_CUR] : 0;
int dither = j ? ij : i*4;
if(y_h_deblock & (MASK_BOTTOM << ij)){
rv40_h_loop_filter(Y+4*s->linesize, s->linesize, dither,
y_to_deblock & (MASK_BOTTOM << ij) ? clip[POS_CUR] : 0,
clip_cur,
alpha, beta, betaY, 0, 0);
}
if(y_v_deblock & (MASK_CUR << ij) && (i || !(mb_strong[POS_CUR] || mb_strong[POS_LEFT]))){
if(!i)
clip_left = (cbp[POS_LEFT] | mvmasks[POS_LEFT]) & (MASK_RIGHT << j) ? clip[POS_LEFT] : 0;
else
clip_left = y_to_deblock & (MASK_CUR << (ij-1)) ? clip[POS_CUR] : 0;
rv40_v_loop_filter(Y, s->linesize, dither,
clip_cur,
clip_left,
alpha, beta, betaY, 0, 0);
}
if(!j && y_h_deblock & (MASK_CUR << i) && (mb_strong[POS_CUR] || mb_strong[POS_TOP])){
rv40_h_loop_filter(Y, s->linesize, dither,
clip_cur,
(cbp[POS_TOP] | mvmasks[POS_TOP]) & (MASK_TOP << i) ? clip[POS_TOP] : 0,
alpha, beta, betaY, 0, 1);
}
if(y_v_deblock & (MASK_CUR << ij) && !i && (mb_strong[POS_CUR] || mb_strong[POS_LEFT])){
clip_left = (cbp[POS_LEFT] | mvmasks[POS_LEFT]) & (MASK_RIGHT << j) ? clip[POS_LEFT] : 0;
rv40_v_loop_filter(Y, s->linesize, dither,
clip_cur,
clip_left,
alpha, beta, betaY, 0, 1);
}
}
}
for(k = 0; k < 2; k++){
for(j = 0; j < 2; j++){
C = s->current_picture_ptr->data[k+1] + mb_x*8 + (row*8 + j*4) * s->uvlinesize;
for(i = 0; i < 2; i++, C += 4){
int ij = i + j*2;
int clip_cur = c_to_deblock[k] & (MASK_CUR << ij) ? clip[POS_CUR] : 0;
if(c_h_deblock[k] & (MASK_CUR << (ij+2))){
int clip_bot = c_to_deblock[k] & (MASK_CUR << (ij+2)) ? clip[POS_CUR] : 0;
rv40_h_loop_filter(C+4*s->uvlinesize, s->uvlinesize, i*8,
clip_bot,
clip_cur,
alpha, beta, betaC, 1, 0);
}
if((c_v_deblock[k] & (MASK_CUR << ij)) && (i || !(mb_strong[POS_CUR] || mb_strong[POS_LEFT]))){
if(!i)
clip_left = uvcbp[POS_LEFT][k] & (MASK_CUR << (2*j+1)) ? clip[POS_LEFT] : 0;
else
clip_left = c_to_deblock[k] & (MASK_CUR << (ij-1)) ? clip[POS_CUR] : 0;
rv40_v_loop_filter(C, s->uvlinesize, j*8,
clip_cur,
clip_left,
alpha, beta, betaC, 1, 0);
}
if(!j && c_h_deblock[k] & (MASK_CUR << ij) && (mb_strong[POS_CUR] || mb_strong[POS_TOP])){
int clip_top = uvcbp[POS_TOP][k] & (MASK_CUR << (ij+2)) ? clip[POS_TOP] : 0;
rv40_h_loop_filter(C, s->uvlinesize, i*8,
clip_cur,
clip_top,
alpha, beta, betaC, 1, 1);
}
if(c_v_deblock[k] & (MASK_CUR << ij) && !i && (mb_strong[POS_CUR] || mb_strong[POS_LEFT])){
clip_left = uvcbp[POS_LEFT][k] & (MASK_CUR << (2*j+1)) ? clip[POS_LEFT] : 0;
rv40_v_loop_filter(C, s->uvlinesize, j*8,
clip_cur,
clip_left,
alpha, beta, betaC, 1, 1);
}
}
}
}
}
} | ['static void rv40_loop_filter(RV34DecContext *r, int row)\n{\n MpegEncContext *s = &r->s;\n int mb_pos, mb_x;\n int i, j, k;\n uint8_t *Y, *C;\n int alpha, beta, betaY, betaC;\n int q;\n int mbtype[4];\n int mb_strong[4];\n int clip[4];\n int cbp[4];\n int uvcbp[4][2];\n int mvmasks[4];\n mb_pos = row * s->mb_stride;\n for(mb_x = 0; mb_x < s->mb_width; mb_x++, mb_pos++){\n int mbtype = s->current_picture_ptr->mb_type[mb_pos];\n if(IS_INTRA(mbtype) || IS_SEPARATE_DC(mbtype))\n r->cbp_luma [mb_pos] = 0xFFFF;\n if(IS_INTRA(mbtype))\n r->cbp_chroma[mb_pos] = 0xFF;\n }\n mb_pos = row * s->mb_stride;\n for(mb_x = 0; mb_x < s->mb_width; mb_x++, mb_pos++){\n int y_h_deblock, y_v_deblock;\n int c_v_deblock[2], c_h_deblock[2];\n int clip_left;\n int avail[4];\n int y_to_deblock, c_to_deblock[2];\n q = s->current_picture_ptr->qscale_table[mb_pos];\n alpha = rv40_alpha_tab[q];\n beta = rv40_beta_tab [q];\n betaY = betaC = beta * 3;\n if(s->width * s->height <= 176*144)\n betaY += beta;\n avail[0] = 1;\n avail[1] = row;\n avail[2] = mb_x;\n avail[3] = row < s->mb_height - 1;\n for(i = 0; i < 4; i++){\n if(avail[i]){\n int pos = mb_pos + neighbour_offs_x[i] + neighbour_offs_y[i]*s->mb_stride;\n mvmasks[i] = r->deblock_coefs[pos];\n mbtype [i] = s->current_picture_ptr->mb_type[pos];\n cbp [i] = r->cbp_luma[pos];\n uvcbp[i][0] = r->cbp_chroma[pos] & 0xF;\n uvcbp[i][1] = r->cbp_chroma[pos] >> 4;\n }else{\n mvmasks[i] = 0;\n mbtype [i] = mbtype[0];\n cbp [i] = 0;\n uvcbp[i][0] = uvcbp[i][1] = 0;\n }\n mb_strong[i] = IS_INTRA(mbtype[i]) || IS_SEPARATE_DC(mbtype[i]);\n clip[i] = rv40_filter_clip_tbl[mb_strong[i] + 1][q];\n }\n y_to_deblock = cbp[POS_CUR]\n | (cbp[POS_BOTTOM] << 16)\n | mvmasks[POS_CUR]\n | (mvmasks[POS_BOTTOM] << 16);\n y_h_deblock = y_to_deblock\n | ((cbp[POS_CUR] << 4) & ~MASK_Y_TOP_ROW)\n | ((cbp[POS_TOP] & MASK_Y_LAST_ROW) >> 12);\n y_v_deblock = y_to_deblock\n | ((cbp[POS_CUR] << 1) & ~MASK_Y_LEFT_COL)\n | ((cbp[POS_LEFT] & MASK_Y_RIGHT_COL) >> 3);\n if(!mb_x)\n y_v_deblock &= ~MASK_Y_LEFT_COL;\n if(!row)\n y_h_deblock &= ~MASK_Y_TOP_ROW;\n if(row == s->mb_height - 1 || (mb_strong[POS_CUR] || mb_strong[POS_BOTTOM]))\n y_h_deblock &= ~(MASK_Y_TOP_ROW << 16);\n for(i = 0; i < 2; i++){\n c_to_deblock[i] = (uvcbp[POS_BOTTOM][i] << 4) | uvcbp[POS_CUR][i];\n c_v_deblock[i] = c_to_deblock[i]\n | ((uvcbp[POS_CUR] [i] << 1) & ~MASK_C_LEFT_COL)\n | ((uvcbp[POS_LEFT][i] & MASK_C_RIGHT_COL) >> 1);\n c_h_deblock[i] = c_to_deblock[i]\n | ((uvcbp[POS_TOP][i] & MASK_C_LAST_ROW) >> 2)\n | (uvcbp[POS_CUR][i] << 2);\n if(!mb_x)\n c_v_deblock[i] &= ~MASK_C_LEFT_COL;\n if(!row)\n c_h_deblock[i] &= ~MASK_C_TOP_ROW;\n if(row == s->mb_height - 1 || mb_strong[POS_CUR] || mb_strong[POS_BOTTOM])\n c_h_deblock[i] &= ~(MASK_C_TOP_ROW << 4);\n }\n for(j = 0; j < 16; j += 4){\n Y = s->current_picture_ptr->data[0] + mb_x*16 + (row*16 + j) * s->linesize;\n for(i = 0; i < 4; i++, Y += 4){\n int ij = i + j;\n int clip_cur = y_to_deblock & (MASK_CUR << ij) ? clip[POS_CUR] : 0;\n int dither = j ? ij : i*4;\n if(y_h_deblock & (MASK_BOTTOM << ij)){\n rv40_h_loop_filter(Y+4*s->linesize, s->linesize, dither,\n y_to_deblock & (MASK_BOTTOM << ij) ? clip[POS_CUR] : 0,\n clip_cur,\n alpha, beta, betaY, 0, 0);\n }\n if(y_v_deblock & (MASK_CUR << ij) && (i || !(mb_strong[POS_CUR] || mb_strong[POS_LEFT]))){\n if(!i)\n clip_left = (cbp[POS_LEFT] | mvmasks[POS_LEFT]) & (MASK_RIGHT << j) ? clip[POS_LEFT] : 0;\n else\n clip_left = y_to_deblock & (MASK_CUR << (ij-1)) ? clip[POS_CUR] : 0;\n rv40_v_loop_filter(Y, s->linesize, dither,\n clip_cur,\n clip_left,\n alpha, beta, betaY, 0, 0);\n }\n if(!j && y_h_deblock & (MASK_CUR << i) && (mb_strong[POS_CUR] || mb_strong[POS_TOP])){\n rv40_h_loop_filter(Y, s->linesize, dither,\n clip_cur,\n (cbp[POS_TOP] | mvmasks[POS_TOP]) & (MASK_TOP << i) ? clip[POS_TOP] : 0,\n alpha, beta, betaY, 0, 1);\n }\n if(y_v_deblock & (MASK_CUR << ij) && !i && (mb_strong[POS_CUR] || mb_strong[POS_LEFT])){\n clip_left = (cbp[POS_LEFT] | mvmasks[POS_LEFT]) & (MASK_RIGHT << j) ? clip[POS_LEFT] : 0;\n rv40_v_loop_filter(Y, s->linesize, dither,\n clip_cur,\n clip_left,\n alpha, beta, betaY, 0, 1);\n }\n }\n }\n for(k = 0; k < 2; k++){\n for(j = 0; j < 2; j++){\n C = s->current_picture_ptr->data[k+1] + mb_x*8 + (row*8 + j*4) * s->uvlinesize;\n for(i = 0; i < 2; i++, C += 4){\n int ij = i + j*2;\n int clip_cur = c_to_deblock[k] & (MASK_CUR << ij) ? clip[POS_CUR] : 0;\n if(c_h_deblock[k] & (MASK_CUR << (ij+2))){\n int clip_bot = c_to_deblock[k] & (MASK_CUR << (ij+2)) ? clip[POS_CUR] : 0;\n rv40_h_loop_filter(C+4*s->uvlinesize, s->uvlinesize, i*8,\n clip_bot,\n clip_cur,\n alpha, beta, betaC, 1, 0);\n }\n if((c_v_deblock[k] & (MASK_CUR << ij)) && (i || !(mb_strong[POS_CUR] || mb_strong[POS_LEFT]))){\n if(!i)\n clip_left = uvcbp[POS_LEFT][k] & (MASK_CUR << (2*j+1)) ? clip[POS_LEFT] : 0;\n else\n clip_left = c_to_deblock[k] & (MASK_CUR << (ij-1)) ? clip[POS_CUR] : 0;\n rv40_v_loop_filter(C, s->uvlinesize, j*8,\n clip_cur,\n clip_left,\n alpha, beta, betaC, 1, 0);\n }\n if(!j && c_h_deblock[k] & (MASK_CUR << ij) && (mb_strong[POS_CUR] || mb_strong[POS_TOP])){\n int clip_top = uvcbp[POS_TOP][k] & (MASK_CUR << (ij+2)) ? clip[POS_TOP] : 0;\n rv40_h_loop_filter(C, s->uvlinesize, i*8,\n clip_cur,\n clip_top,\n alpha, beta, betaC, 1, 1);\n }\n if(c_v_deblock[k] & (MASK_CUR << ij) && !i && (mb_strong[POS_CUR] || mb_strong[POS_LEFT])){\n clip_left = uvcbp[POS_LEFT][k] & (MASK_CUR << (2*j+1)) ? clip[POS_LEFT] : 0;\n rv40_v_loop_filter(C, s->uvlinesize, j*8,\n clip_cur,\n clip_left,\n alpha, beta, betaC, 1, 1);\n }\n }\n }\n }\n }\n}'] |
11,763 | 0 | https://github.com/openssl/openssl/blob/1e552869960659b4baac425bbf46cf6d3bd5e7e4/crypto/bn/bn_ctx.c/#L143 | 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];
} | ['int DSA_generate_key(DSA *dsa)\n\t{\n\tint ok=0;\n\tunsigned int i;\n\tBN_CTX *ctx=NULL;\n\tBIGNUM *pub_key=NULL,*priv_key=NULL;\n\tif ((ctx=BN_CTX_new()) == NULL) goto err;\n\tif (dsa->priv_key == NULL)\n\t\t{\n\t\tif ((priv_key=BN_new()) == NULL) goto err;\n\t\t}\n\telse\n\t\tpriv_key=dsa->priv_key;\n\ti=BN_num_bits(dsa->q);\n\tfor (;;)\n\t\t{\n\t\tif (!BN_rand(priv_key,i,1,0))\n\t\t\tgoto err;\n\t\tif (BN_cmp(priv_key,dsa->q) >= 0)\n\t\t\tBN_sub(priv_key,priv_key,dsa->q);\n\t\tif (!BN_is_zero(priv_key)) break;\n\t\t}\n\tif (dsa->pub_key == NULL)\n\t\t{\n\t\tif ((pub_key=BN_new()) == NULL) goto err;\n\t\t}\n\telse\n\t\tpub_key=dsa->pub_key;\n\tif (!BN_mod_exp(pub_key,dsa->g,priv_key,dsa->p,ctx)) goto err;\n\tdsa->priv_key=priv_key;\n\tdsa->pub_key=pub_key;\n\tok=1;\nerr:\n\tif ((pub_key != NULL) && (dsa->pub_key == NULL)) BN_free(pub_key);\n\tif ((priv_key != NULL) && (dsa->priv_key == NULL)) BN_free(priv_key);\n\tif (ctx != NULL) BN_CTX_free(ctx);\n\treturn(ok);\n\t}', 'BN_CTX *BN_CTX_new(void)\n\t{\n\tBN_CTX *ret;\n\tret=(BN_CTX *)OPENSSL_malloc(sizeof(BN_CTX));\n\tif (ret == NULL)\n\t\t{\n\t\tBNerr(BN_F_BN_CTX_NEW,ERR_R_MALLOC_FAILURE);\n\t\treturn(NULL);\n\t\t}\n\tBN_CTX_init(ret);\n\tret->flags=BN_FLG_MALLOCED;\n\treturn(ret);\n\t}', 'void BN_CTX_init(BN_CTX *ctx)\n\t{\n\tint i;\n\tctx->tos = 0;\n\tctx->flags = 0;\n\tctx->depth = 0;\n\tctx->too_many = 0;\n\tfor (i = 0; i < BN_CTX_NUM; i++)\n\t\tBN_init(&(ctx->bn[i]));\n\t}', 'int BN_mod_exp(BIGNUM *r, BIGNUM *a, const BIGNUM *p, const BIGNUM *m,\n\t BN_CTX *ctx)\n\t{\n\tint ret;\n\tbn_check_top(a);\n\tbn_check_top(p);\n\tbn_check_top(m);\n#ifdef ATALLA\n\tif(BN_mod_exp_atalla(r,a,p,m))\n\t return 1;\n\ttried_atalla=1;\n#endif\n#ifdef MONT_MUL_MOD\n\tif (BN_is_odd(m))\n\t\t{\n\t\tif (a->top == 1)\n\t\t\t{\n\t\t\tBN_ULONG A = a->d[0];\n\t\t\tret=BN_mod_exp_mont_word(r,A,p,m,ctx,NULL);\n\t\t\t}\n\t\telse\n\t\t\tret=BN_mod_exp_mont(r,a,p,m,ctx,NULL);\n\t\t}\n\telse\n#endif\n#ifdef RECP_MUL_MOD\n\t\t{ ret=BN_mod_exp_recp(r,a,p,m,ctx); }\n#else\n\t\t{ ret=BN_mod_exp_simple(r,a,p,m,ctx); }\n#endif\n#ifdef ATALLA\n\ttried_atalla=0;\n#endif\n\treturn(ret);\n\t}', 'int BN_mod_exp_mont_word(BIGNUM *rr, BN_ULONG a, const BIGNUM *p,\n const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont)\n\t{\n\tBN_MONT_CTX *mont = NULL;\n\tint b, bits, ret=0;\n\tBN_ULONG w, next_w;\n\tBIGNUM *d, *r, *t;\n\tBIGNUM *swap_tmp;\n#define BN_MOD_MUL_WORD(r, w, m) \\\n\t\t(BN_mul_word(r, (w)) && \\\n\t\t(BN_ucmp(r, (m)) >= 0 ? \\\n\t\t\t(BN_mod(t, r, m, ctx) && (swap_tmp = r, r = t, t = swap_tmp, 1)) : \\\n\t\t\t1))\n\tbn_check_top(p);\n\tbn_check_top(m);\n\tif (!(m->d[0] & 1))\n\t\t{\n\t\tBNerr(BN_F_BN_MOD_EXP_MONT_WORD,BN_R_CALLED_WITH_EVEN_MODULUS);\n\t\treturn(0);\n\t\t}\n\tbits = BN_num_bits(p);\n\tif (bits == 0)\n\t\t{\n\t\tBN_one(rr);\n\t\treturn(1);\n\t\t}\n\tBN_CTX_start(ctx);\n\td = BN_CTX_get(ctx);\n\tr = BN_CTX_get(ctx);\n\tt = BN_CTX_get(ctx);\n\tif (d == NULL || r == NULL || t == NULL) goto err;\n#ifdef ATALLA\n\tif (!tried_atalla)\n\t\t{\n\t\tBN_set_word(t, a);\n\t\tif (BN_mod_exp_atalla(rr, t, p, m))\n\t\t\t{\n\t\t\tBN_CTX_end(ctx);\n\t\t\treturn 1;\n\t\t\t}\n\t\t}\n#endif\n\tif (in_mont != NULL)\n\t\tmont=in_mont;\n\telse\n\t\t{\n\t\tif ((mont = BN_MONT_CTX_new()) == NULL) goto err;\n\t\tif (!BN_MONT_CTX_set(mont, m, ctx)) goto err;\n\t\t}\n\tif (!BN_to_montgomery(r, BN_value_one(), mont, ctx)) goto err;\n\tw = a;\n\tfor (b = bits-2; b >= 0; b--)\n\t\t{\n\t\tnext_w = w*w;\n\t\tif ((next_w/w) != w)\n\t\t\t{\n\t\t\tif (!BN_MOD_MUL_WORD(r, w, m))\n\t\t\t\tgoto err;\n\t\t\tnext_w = 1;\n\t\t\t}\n\t\tw = next_w;\n\t\tif (!BN_mod_mul_montgomery(r, r, r, mont, ctx))\n\t\t\tgoto err;\n\t\tif (BN_is_bit_set(p, b))\n\t\t\t{\n\t\t\tnext_w = w*a;\n\t\t\tif ((next_w/a) != w)\n\t\t\t\t{\n\t\t\t\tif (!BN_MOD_MUL_WORD(r, w, m))\n\t\t\t\t\tgoto err;\n\t\t\t\tnext_w = a;\n\t\t\t\t}\n\t\t\tw = next_w;\n\t\t\t}\n\t\t}\n\tif (w != 1)\n\t\t{\n\t\tif (!BN_MOD_MUL_WORD(r, w, m))\n\t\t\tgoto err;\n\t\t}\n\tBN_from_montgomery(rr, r, mont, ctx);\n\tret = 1;\nerr:\n\tif ((in_mont == NULL) && (mont != NULL)) BN_MONT_CTX_free(mont);\n\tBN_CTX_end(ctx);\n\treturn(ret);\n\t}', 'void BN_CTX_start(BN_CTX *ctx)\n\t{\n\tif (ctx->depth < BN_CTX_NUM_POS)\n\t\tctx->pos[ctx->depth] = ctx->tos;\n\tctx->depth++;\n\t}', 'BIGNUM *BN_CTX_get(BN_CTX *ctx)\n\t{\n\tif (ctx->depth > BN_CTX_NUM_POS || ctx->tos >= BN_CTX_NUM)\n\t\t{\n\t\tif (!ctx->too_many)\n\t\t\t{\n\t\t\tBNerr(BN_F_BN_CTX_GET,BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n\t\t\tctx->too_many = 1;\n\t\t\t}\n\t\treturn NULL;\n\t\t}\n\treturn (&(ctx->bn[ctx->tos++]));\n\t}', 'void BN_CTX_end(BN_CTX *ctx)\n\t{\n\tif (ctx == NULL) return;\n\tassert(ctx->depth > 0);\n\tif (ctx->depth == 0)\n\t\tBN_CTX_start(ctx);\n\tctx->too_many = 0;\n\tctx->depth--;\n\tif (ctx->depth < BN_CTX_NUM_POS)\n\t\tctx->tos = ctx->pos[ctx->depth];\n\t}'] |
11,764 | 0 | https://github.com/libav/libav/blob/31c54711cc3f1484af101d629bbb805820d37ad1/libavcodec/ffv1.c/#L266 | static void find_best_state(uint8_t best_state[256][256],
const uint8_t one_state[256])
{
int i, j, k, m;
double l2tab[256];
for (i = 1; i < 256; i++)
l2tab[i] = log2(i / 256.0);
for (i = 0; i < 256; i++) {
double best_len[256];
double p = i / 256.0;
for (j = 0; j < 256; j++)
best_len[j] = 1 << 30;
for (j = FFMAX(i - 10, 1); j < FFMIN(i + 11, 256); j++) {
double occ[256] = { 0 };
double len = 0;
occ[j] = 1.0;
for (k = 0; k < 256; k++) {
double newocc[256] = { 0 };
for (m = 0; m < 256; m++)
if (occ[m]) {
len -= occ[m] * (p * l2tab[m] +
(1 - p) * l2tab[256 - m]);
}
if (len < best_len[k]) {
best_len[k] = len;
best_state[i][k] = j;
}
for (m = 0; m < 256; m++)
if (occ[m]) {
newocc[one_state[m]] += occ[m] * p;
newocc[256 - one_state[256 - m]] += occ[m] * (1 - p);
}
memcpy(occ, newocc, sizeof(occ));
}
}
}
} | ['static void find_best_state(uint8_t best_state[256][256],\n const uint8_t one_state[256])\n{\n int i, j, k, m;\n double l2tab[256];\n for (i = 1; i < 256; i++)\n l2tab[i] = log2(i / 256.0);\n for (i = 0; i < 256; i++) {\n double best_len[256];\n double p = i / 256.0;\n for (j = 0; j < 256; j++)\n best_len[j] = 1 << 30;\n for (j = FFMAX(i - 10, 1); j < FFMIN(i + 11, 256); j++) {\n double occ[256] = { 0 };\n double len = 0;\n occ[j] = 1.0;\n for (k = 0; k < 256; k++) {\n double newocc[256] = { 0 };\n for (m = 0; m < 256; m++)\n if (occ[m]) {\n len -= occ[m] * (p * l2tab[m] +\n (1 - p) * l2tab[256 - m]);\n }\n if (len < best_len[k]) {\n best_len[k] = len;\n best_state[i][k] = j;\n }\n for (m = 0; m < 256; m++)\n if (occ[m]) {\n newocc[one_state[m]] += occ[m] * p;\n newocc[256 - one_state[256 - m]] += occ[m] * (1 - p);\n }\n memcpy(occ, newocc, sizeof(occ));\n }\n }\n }\n}'] |
11,765 | 0 | https://github.com/nginx/nginx/blob/5c95f885030d6d303415c72d920e635aa7bab822/src/core/ngx_open_file_cache.c/#L592 | static ngx_fd_t
ngx_open_file_wrapper(ngx_str_t *name, ngx_open_file_info_t *of,
ngx_int_t mode, ngx_int_t create, ngx_int_t access, ngx_log_t *log)
{
ngx_fd_t fd;
#if !(NGX_HAVE_OPENAT)
fd = ngx_open_file(name->data, mode, create, access);
if (fd == NGX_INVALID_FILE) {
of->err = ngx_errno;
of->failed = ngx_open_file_n;
return NGX_INVALID_FILE;
}
return fd;
#else
u_char *p, *cp, *end;
ngx_fd_t at_fd;
ngx_str_t at_name;
if (of->disable_symlinks == NGX_DISABLE_SYMLINKS_OFF) {
fd = ngx_open_file(name->data, mode, create, access);
if (fd == NGX_INVALID_FILE) {
of->err = ngx_errno;
of->failed = ngx_open_file_n;
return NGX_INVALID_FILE;
}
return fd;
}
p = name->data;
end = p + name->len;
at_name = *name;
if (of->disable_symlinks_from) {
cp = p + of->disable_symlinks_from;
*cp = '\0';
at_fd = ngx_open_file(p, NGX_FILE_SEARCH|NGX_FILE_NONBLOCK,
NGX_FILE_OPEN, 0);
*cp = '/';
if (at_fd == NGX_INVALID_FILE) {
of->err = ngx_errno;
of->failed = ngx_open_file_n;
return NGX_INVALID_FILE;
}
at_name.len = of->disable_symlinks_from;
p = cp + 1;
} else if (*p == '/') {
at_fd = ngx_open_file("/",
NGX_FILE_SEARCH|NGX_FILE_NONBLOCK,
NGX_FILE_OPEN, 0);
if (at_fd == NGX_INVALID_FILE) {
of->err = ngx_errno;
of->failed = ngx_openat_file_n;
return NGX_INVALID_FILE;
}
at_name.len = 1;
p++;
} else {
at_fd = NGX_AT_FDCWD;
}
for ( ;; ) {
cp = ngx_strlchr(p, end, '/');
if (cp == NULL) {
break;
}
if (cp == p) {
p++;
continue;
}
*cp = '\0';
if (of->disable_symlinks == NGX_DISABLE_SYMLINKS_NOTOWNER) {
fd = ngx_openat_file_owner(at_fd, p,
NGX_FILE_SEARCH|NGX_FILE_NONBLOCK,
NGX_FILE_OPEN, 0, log);
} else {
fd = ngx_openat_file(at_fd, p,
NGX_FILE_SEARCH|NGX_FILE_NONBLOCK|NGX_FILE_NOFOLLOW,
NGX_FILE_OPEN, 0);
}
*cp = '/';
if (fd == NGX_INVALID_FILE) {
of->err = ngx_errno;
of->failed = ngx_openat_file_n;
goto failed;
}
if (at_fd != NGX_AT_FDCWD && ngx_close_file(at_fd) == NGX_FILE_ERROR) {
ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
ngx_close_file_n " \"%V\" failed", &at_name);
}
p = cp + 1;
at_fd = fd;
at_name.len = cp - at_name.data;
}
if (p == end) {
fd = ngx_openat_file(at_fd, ".", mode, create, access);
goto done;
}
if (of->disable_symlinks == NGX_DISABLE_SYMLINKS_NOTOWNER
&& !(create & (NGX_FILE_CREATE_OR_OPEN|NGX_FILE_TRUNCATE)))
{
fd = ngx_openat_file_owner(at_fd, p, mode, create, access, log);
} else {
fd = ngx_openat_file(at_fd, p, mode|NGX_FILE_NOFOLLOW, create, access);
}
done:
if (fd == NGX_INVALID_FILE) {
of->err = ngx_errno;
of->failed = ngx_openat_file_n;
}
failed:
if (at_fd != NGX_AT_FDCWD && ngx_close_file(at_fd) == NGX_FILE_ERROR) {
ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
ngx_close_file_n " \"%V\" failed", &at_name);
}
return fd;
#endif
} | ['static ngx_int_t\nngx_http_static_handler(ngx_http_request_t *r)\n{\n u_char *last, *location;\n size_t root, len;\n ngx_str_t path;\n ngx_int_t rc;\n ngx_uint_t level;\n ngx_log_t *log;\n ngx_buf_t *b;\n ngx_chain_t out;\n ngx_open_file_info_t of;\n ngx_http_core_loc_conf_t *clcf;\n if (!(r->method & (NGX_HTTP_GET|NGX_HTTP_HEAD|NGX_HTTP_POST))) {\n return NGX_HTTP_NOT_ALLOWED;\n }\n if (r->uri.data[r->uri.len - 1] == \'/\') {\n return NGX_DECLINED;\n }\n log = r->connection->log;\n last = ngx_http_map_uri_to_path(r, &path, &root, 0);\n if (last == NULL) {\n return NGX_HTTP_INTERNAL_SERVER_ERROR;\n }\n path.len = last - path.data;\n ngx_log_debug1(NGX_LOG_DEBUG_HTTP, log, 0,\n "http filename: \\"%s\\"", path.data);\n clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);\n ngx_memzero(&of, sizeof(ngx_open_file_info_t));\n of.read_ahead = clcf->read_ahead;\n of.directio = clcf->directio;\n of.valid = clcf->open_file_cache_valid;\n of.min_uses = clcf->open_file_cache_min_uses;\n of.errors = clcf->open_file_cache_errors;\n of.events = clcf->open_file_cache_events;\n if (ngx_http_set_disable_symlinks(r, clcf, &path, &of) != NGX_OK) {\n return NGX_HTTP_INTERNAL_SERVER_ERROR;\n }\n if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool)\n != NGX_OK)\n {\n switch (of.err) {\n case 0:\n return NGX_HTTP_INTERNAL_SERVER_ERROR;\n case NGX_ENOENT:\n case NGX_ENOTDIR:\n case NGX_ENAMETOOLONG:\n level = NGX_LOG_ERR;\n rc = NGX_HTTP_NOT_FOUND;\n break;\n case NGX_EACCES:\n#if (NGX_HAVE_OPENAT)\n case NGX_EMLINK:\n case NGX_ELOOP:\n#endif\n level = NGX_LOG_ERR;\n rc = NGX_HTTP_FORBIDDEN;\n break;\n default:\n level = NGX_LOG_CRIT;\n rc = NGX_HTTP_INTERNAL_SERVER_ERROR;\n break;\n }\n if (rc != NGX_HTTP_NOT_FOUND || clcf->log_not_found) {\n ngx_log_error(level, log, of.err,\n "%s \\"%s\\" failed", of.failed, path.data);\n }\n return rc;\n }\n r->root_tested = !r->error_page;\n ngx_log_debug1(NGX_LOG_DEBUG_HTTP, log, 0, "http static fd: %d", of.fd);\n if (of.is_dir) {\n ngx_log_debug0(NGX_LOG_DEBUG_HTTP, log, 0, "http dir");\n ngx_http_clear_location(r);\n r->headers_out.location = ngx_palloc(r->pool, sizeof(ngx_table_elt_t));\n if (r->headers_out.location == NULL) {\n return NGX_HTTP_INTERNAL_SERVER_ERROR;\n }\n len = r->uri.len + 1;\n if (!clcf->alias && clcf->root_lengths == NULL && r->args.len == 0) {\n location = path.data + clcf->root.len;\n *last = \'/\';\n } else {\n if (r->args.len) {\n len += r->args.len + 1;\n }\n location = ngx_pnalloc(r->pool, len);\n if (location == NULL) {\n return NGX_HTTP_INTERNAL_SERVER_ERROR;\n }\n last = ngx_copy(location, r->uri.data, r->uri.len);\n *last = \'/\';\n if (r->args.len) {\n *++last = \'?\';\n ngx_memcpy(++last, r->args.data, r->args.len);\n }\n }\n r->headers_out.location->value.len = len;\n r->headers_out.location->value.data = location;\n return NGX_HTTP_MOVED_PERMANENTLY;\n }\n#if !(NGX_WIN32)\n if (!of.is_file) {\n ngx_log_error(NGX_LOG_CRIT, log, 0,\n "\\"%s\\" is not a regular file", path.data);\n return NGX_HTTP_NOT_FOUND;\n }\n#endif\n if (r->method & NGX_HTTP_POST) {\n return NGX_HTTP_NOT_ALLOWED;\n }\n rc = ngx_http_discard_request_body(r);\n if (rc != NGX_OK) {\n return rc;\n }\n log->action = "sending response to client";\n r->headers_out.status = NGX_HTTP_OK;\n r->headers_out.content_length_n = of.size;\n r->headers_out.last_modified_time = of.mtime;\n if (ngx_http_set_content_type(r) != NGX_OK) {\n return NGX_HTTP_INTERNAL_SERVER_ERROR;\n }\n if (r != r->main && of.size == 0) {\n return ngx_http_send_header(r);\n }\n r->allow_ranges = 1;\n b = ngx_pcalloc(r->pool, sizeof(ngx_buf_t));\n if (b == NULL) {\n return NGX_HTTP_INTERNAL_SERVER_ERROR;\n }\n b->file = ngx_pcalloc(r->pool, sizeof(ngx_file_t));\n if (b->file == NULL) {\n return NGX_HTTP_INTERNAL_SERVER_ERROR;\n }\n rc = ngx_http_send_header(r);\n if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) {\n return rc;\n }\n b->file_pos = 0;\n b->file_last = of.size;\n b->in_file = b->file_last ? 1: 0;\n b->last_buf = (r == r->main) ? 1: 0;\n b->last_in_chain = 1;\n b->file->fd = of.fd;\n b->file->name = path;\n b->file->log = log;\n b->file->directio = of.is_directio;\n out.buf = b;\n out.next = NULL;\n return ngx_http_output_filter(r, &out);\n}', 'u_char *\nngx_http_map_uri_to_path(ngx_http_request_t *r, ngx_str_t *path,\n size_t *root_length, size_t reserved)\n{\n u_char *last;\n size_t alias;\n ngx_http_core_loc_conf_t *clcf;\n clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);\n alias = clcf->alias;\n if (alias && !r->valid_location) {\n ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,\n "\\"alias\\" cannot be used in location \\"%V\\" "\n "where URI was rewritten", &clcf->name);\n return NULL;\n }\n if (clcf->root_lengths == NULL) {\n *root_length = clcf->root.len;\n path->len = clcf->root.len + reserved + r->uri.len - alias + 1;\n path->data = ngx_pnalloc(r->pool, path->len);\n if (path->data == NULL) {\n return NULL;\n }\n last = ngx_copy(path->data, clcf->root.data, clcf->root.len);\n } else {\n#if (NGX_PCRE)\n ngx_uint_t captures;\n captures = alias && clcf->regex;\n reserved += captures ? r->add_uri_to_alias ? r->uri.len + 1 : 1\n : r->uri.len - alias + 1;\n#else\n reserved += r->uri.len - alias + 1;\n#endif\n if (ngx_http_script_run(r, path, clcf->root_lengths->elts, reserved,\n clcf->root_values->elts)\n == NULL)\n {\n return NULL;\n }\n if (ngx_conf_full_name((ngx_cycle_t *) ngx_cycle, path, 0) != NGX_OK) {\n return NULL;\n }\n *root_length = path->len - reserved;\n last = path->data + *root_length;\n#if (NGX_PCRE)\n if (captures) {\n if (!r->add_uri_to_alias) {\n *last = \'\\0\';\n return last;\n }\n alias = 0;\n }\n#endif\n }\n last = ngx_cpystrn(last, r->uri.data + alias, r->uri.len - alias + 1);\n return last;\n}', 'ngx_int_t\nngx_open_cached_file(ngx_open_file_cache_t *cache, ngx_str_t *name,\n ngx_open_file_info_t *of, ngx_pool_t *pool)\n{\n time_t now;\n uint32_t hash;\n ngx_int_t rc;\n ngx_file_info_t fi;\n ngx_pool_cleanup_t *cln;\n ngx_cached_open_file_t *file;\n ngx_pool_cleanup_file_t *clnf;\n ngx_open_file_cache_cleanup_t *ofcln;\n of->fd = NGX_INVALID_FILE;\n of->err = 0;\n if (cache == NULL) {\n if (of->test_only) {\n if (ngx_file_info_wrapper(name, of, &fi, pool->log)\n == NGX_FILE_ERROR)\n {\n return NGX_ERROR;\n }\n of->uniq = ngx_file_uniq(&fi);\n of->mtime = ngx_file_mtime(&fi);\n of->size = ngx_file_size(&fi);\n of->fs_size = ngx_file_fs_size(&fi);\n of->is_dir = ngx_is_dir(&fi);\n of->is_file = ngx_is_file(&fi);\n of->is_link = ngx_is_link(&fi);\n of->is_exec = ngx_is_exec(&fi);\n return NGX_OK;\n }\n cln = ngx_pool_cleanup_add(pool, sizeof(ngx_pool_cleanup_file_t));\n if (cln == NULL) {\n return NGX_ERROR;\n }\n rc = ngx_open_and_stat_file(name, of, pool->log);\n if (rc == NGX_OK && !of->is_dir) {\n cln->handler = ngx_pool_cleanup_file;\n clnf = cln->data;\n clnf->fd = of->fd;\n clnf->name = name->data;\n clnf->log = pool->log;\n }\n return rc;\n }\n cln = ngx_pool_cleanup_add(pool, sizeof(ngx_open_file_cache_cleanup_t));\n if (cln == NULL) {\n return NGX_ERROR;\n }\n now = ngx_time();\n hash = ngx_crc32_long(name->data, name->len);\n file = ngx_open_file_lookup(cache, name, hash);\n if (file) {\n file->uses++;\n ngx_queue_remove(&file->queue);\n if (file->fd == NGX_INVALID_FILE && file->err == 0 && !file->is_dir) {\n rc = ngx_open_and_stat_file(name, of, pool->log);\n if (rc != NGX_OK && (of->err == 0 || !of->errors)) {\n goto failed;\n }\n goto add_event;\n }\n if (file->use_event\n || (file->event == NULL\n && (of->uniq == 0 || of->uniq == file->uniq)\n && now - file->created < of->valid\n#if (NGX_HAVE_OPENAT)\n && of->disable_symlinks == file->disable_symlinks\n && of->disable_symlinks_from == file->disable_symlinks_from\n#endif\n ))\n {\n if (file->err == 0) {\n of->fd = file->fd;\n of->uniq = file->uniq;\n of->mtime = file->mtime;\n of->size = file->size;\n of->is_dir = file->is_dir;\n of->is_file = file->is_file;\n of->is_link = file->is_link;\n of->is_exec = file->is_exec;\n of->is_directio = file->is_directio;\n if (!file->is_dir) {\n file->count++;\n ngx_open_file_add_event(cache, file, of, pool->log);\n }\n } else {\n of->err = file->err;\n#if (NGX_HAVE_OPENAT)\n of->failed = file->disable_symlinks ? ngx_openat_file_n\n : ngx_open_file_n;\n#else\n of->failed = ngx_open_file_n;\n#endif\n }\n goto found;\n }\n ngx_log_debug4(NGX_LOG_DEBUG_CORE, pool->log, 0,\n "retest open file: %s, fd:%d, c:%d, e:%d",\n file->name, file->fd, file->count, file->err);\n if (file->is_dir) {\n of->test_dir = 1;\n }\n of->fd = file->fd;\n of->uniq = file->uniq;\n rc = ngx_open_and_stat_file(name, of, pool->log);\n if (rc != NGX_OK && (of->err == 0 || !of->errors)) {\n goto failed;\n }\n if (of->is_dir) {\n if (file->is_dir || file->err) {\n goto update;\n }\n } else if (of->err == 0) {\n if (file->is_dir || file->err) {\n goto add_event;\n }\n if (of->uniq == file->uniq) {\n if (file->event) {\n file->use_event = 1;\n }\n of->is_directio = file->is_directio;\n goto update;\n }\n } else {\n if (file->err || file->is_dir) {\n goto update;\n }\n }\n if (file->count == 0) {\n ngx_open_file_del_event(file);\n if (ngx_close_file(file->fd) == NGX_FILE_ERROR) {\n ngx_log_error(NGX_LOG_ALERT, pool->log, ngx_errno,\n ngx_close_file_n " \\"%V\\" failed", name);\n }\n goto add_event;\n }\n ngx_rbtree_delete(&cache->rbtree, &file->node);\n cache->current--;\n file->close = 1;\n goto create;\n }\n rc = ngx_open_and_stat_file(name, of, pool->log);\n if (rc != NGX_OK && (of->err == 0 || !of->errors)) {\n goto failed;\n }\ncreate:\n if (cache->current >= cache->max) {\n ngx_expire_old_cached_files(cache, 0, pool->log);\n }\n file = ngx_alloc(sizeof(ngx_cached_open_file_t), pool->log);\n if (file == NULL) {\n goto failed;\n }\n file->name = ngx_alloc(name->len + 1, pool->log);\n if (file->name == NULL) {\n ngx_free(file);\n file = NULL;\n goto failed;\n }\n ngx_cpystrn(file->name, name->data, name->len + 1);\n file->node.key = hash;\n ngx_rbtree_insert(&cache->rbtree, &file->node);\n cache->current++;\n file->uses = 1;\n file->count = 0;\n file->use_event = 0;\n file->event = NULL;\nadd_event:\n ngx_open_file_add_event(cache, file, of, pool->log);\nupdate:\n file->fd = of->fd;\n file->err = of->err;\n#if (NGX_HAVE_OPENAT)\n file->disable_symlinks = of->disable_symlinks;\n file->disable_symlinks_from = of->disable_symlinks_from;\n#endif\n if (of->err == 0) {\n file->uniq = of->uniq;\n file->mtime = of->mtime;\n file->size = of->size;\n file->close = 0;\n file->is_dir = of->is_dir;\n file->is_file = of->is_file;\n file->is_link = of->is_link;\n file->is_exec = of->is_exec;\n file->is_directio = of->is_directio;\n if (!of->is_dir) {\n file->count++;\n }\n }\n file->created = now;\nfound:\n file->accessed = now;\n ngx_queue_insert_head(&cache->expire_queue, &file->queue);\n ngx_log_debug5(NGX_LOG_DEBUG_CORE, pool->log, 0,\n "cached open file: %s, fd:%d, c:%d, e:%d, u:%d",\n file->name, file->fd, file->count, file->err, file->uses);\n if (of->err == 0) {\n if (!of->is_dir) {\n cln->handler = ngx_open_file_cleanup;\n ofcln = cln->data;\n ofcln->cache = cache;\n ofcln->file = file;\n ofcln->min_uses = of->min_uses;\n ofcln->log = pool->log;\n }\n return NGX_OK;\n }\n return NGX_ERROR;\nfailed:\n if (file) {\n ngx_rbtree_delete(&cache->rbtree, &file->node);\n cache->current--;\n if (file->count == 0) {\n if (file->fd != NGX_INVALID_FILE) {\n if (ngx_close_file(file->fd) == NGX_FILE_ERROR) {\n ngx_log_error(NGX_LOG_ALERT, pool->log, ngx_errno,\n ngx_close_file_n " \\"%s\\" failed",\n file->name);\n }\n }\n ngx_free(file->name);\n ngx_free(file);\n } else {\n file->close = 1;\n }\n }\n if (of->fd != NGX_INVALID_FILE) {\n if (ngx_close_file(of->fd) == NGX_FILE_ERROR) {\n ngx_log_error(NGX_LOG_ALERT, pool->log, ngx_errno,\n ngx_close_file_n " \\"%V\\" failed", name);\n }\n }\n return NGX_ERROR;\n}', 'static ngx_int_t\nngx_file_info_wrapper(ngx_str_t *name, ngx_open_file_info_t *of,\n ngx_file_info_t *fi, ngx_log_t *log)\n{\n ngx_int_t rc;\n#if !(NGX_HAVE_OPENAT)\n rc = ngx_file_info(name->data, fi);\n if (rc == NGX_FILE_ERROR) {\n of->err = ngx_errno;\n of->failed = ngx_file_info_n;\n return NGX_FILE_ERROR;\n }\n return rc;\n#else\n ngx_fd_t fd;\n if (of->disable_symlinks == NGX_DISABLE_SYMLINKS_OFF) {\n rc = ngx_file_info(name->data, fi);\n if (rc == NGX_FILE_ERROR) {\n of->err = ngx_errno;\n of->failed = ngx_file_info_n;\n return NGX_FILE_ERROR;\n }\n return rc;\n }\n fd = ngx_open_file_wrapper(name, of, NGX_FILE_RDONLY|NGX_FILE_NONBLOCK,\n NGX_FILE_OPEN, 0, log);\n if (fd == NGX_INVALID_FILE) {\n return NGX_FILE_ERROR;\n }\n rc = ngx_fd_info(fd, fi);\n if (rc == NGX_FILE_ERROR) {\n of->err = ngx_errno;\n of->failed = ngx_fd_info_n;\n }\n if (ngx_close_file(fd) == NGX_FILE_ERROR) {\n ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,\n ngx_close_file_n " \\"%V\\" failed", name);\n }\n return rc;\n#endif\n}', 'static ngx_fd_t\nngx_open_file_wrapper(ngx_str_t *name, ngx_open_file_info_t *of,\n ngx_int_t mode, ngx_int_t create, ngx_int_t access, ngx_log_t *log)\n{\n ngx_fd_t fd;\n#if !(NGX_HAVE_OPENAT)\n fd = ngx_open_file(name->data, mode, create, access);\n if (fd == NGX_INVALID_FILE) {\n of->err = ngx_errno;\n of->failed = ngx_open_file_n;\n return NGX_INVALID_FILE;\n }\n return fd;\n#else\n u_char *p, *cp, *end;\n ngx_fd_t at_fd;\n ngx_str_t at_name;\n if (of->disable_symlinks == NGX_DISABLE_SYMLINKS_OFF) {\n fd = ngx_open_file(name->data, mode, create, access);\n if (fd == NGX_INVALID_FILE) {\n of->err = ngx_errno;\n of->failed = ngx_open_file_n;\n return NGX_INVALID_FILE;\n }\n return fd;\n }\n p = name->data;\n end = p + name->len;\n at_name = *name;\n if (of->disable_symlinks_from) {\n cp = p + of->disable_symlinks_from;\n *cp = \'\\0\';\n at_fd = ngx_open_file(p, NGX_FILE_SEARCH|NGX_FILE_NONBLOCK,\n NGX_FILE_OPEN, 0);\n *cp = \'/\';\n if (at_fd == NGX_INVALID_FILE) {\n of->err = ngx_errno;\n of->failed = ngx_open_file_n;\n return NGX_INVALID_FILE;\n }\n at_name.len = of->disable_symlinks_from;\n p = cp + 1;\n } else if (*p == \'/\') {\n at_fd = ngx_open_file("/",\n NGX_FILE_SEARCH|NGX_FILE_NONBLOCK,\n NGX_FILE_OPEN, 0);\n if (at_fd == NGX_INVALID_FILE) {\n of->err = ngx_errno;\n of->failed = ngx_openat_file_n;\n return NGX_INVALID_FILE;\n }\n at_name.len = 1;\n p++;\n } else {\n at_fd = NGX_AT_FDCWD;\n }\n for ( ;; ) {\n cp = ngx_strlchr(p, end, \'/\');\n if (cp == NULL) {\n break;\n }\n if (cp == p) {\n p++;\n continue;\n }\n *cp = \'\\0\';\n if (of->disable_symlinks == NGX_DISABLE_SYMLINKS_NOTOWNER) {\n fd = ngx_openat_file_owner(at_fd, p,\n NGX_FILE_SEARCH|NGX_FILE_NONBLOCK,\n NGX_FILE_OPEN, 0, log);\n } else {\n fd = ngx_openat_file(at_fd, p,\n NGX_FILE_SEARCH|NGX_FILE_NONBLOCK|NGX_FILE_NOFOLLOW,\n NGX_FILE_OPEN, 0);\n }\n *cp = \'/\';\n if (fd == NGX_INVALID_FILE) {\n of->err = ngx_errno;\n of->failed = ngx_openat_file_n;\n goto failed;\n }\n if (at_fd != NGX_AT_FDCWD && ngx_close_file(at_fd) == NGX_FILE_ERROR) {\n ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,\n ngx_close_file_n " \\"%V\\" failed", &at_name);\n }\n p = cp + 1;\n at_fd = fd;\n at_name.len = cp - at_name.data;\n }\n if (p == end) {\n fd = ngx_openat_file(at_fd, ".", mode, create, access);\n goto done;\n }\n if (of->disable_symlinks == NGX_DISABLE_SYMLINKS_NOTOWNER\n && !(create & (NGX_FILE_CREATE_OR_OPEN|NGX_FILE_TRUNCATE)))\n {\n fd = ngx_openat_file_owner(at_fd, p, mode, create, access, log);\n } else {\n fd = ngx_openat_file(at_fd, p, mode|NGX_FILE_NOFOLLOW, create, access);\n }\ndone:\n if (fd == NGX_INVALID_FILE) {\n of->err = ngx_errno;\n of->failed = ngx_openat_file_n;\n }\nfailed:\n if (at_fd != NGX_AT_FDCWD && ngx_close_file(at_fd) == NGX_FILE_ERROR) {\n ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,\n ngx_close_file_n " \\"%V\\" failed", &at_name);\n }\n return fd;\n#endif\n}'] |
11,766 | 0 | https://github.com/openssl/openssl/blob/54d00677f305375eee65a0c9edb5f0980c5f020f/crypto/bn/bn_ctx.c/#L278 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | ['static int test_ctx_consttime_flag(void)\n{\n BN_CTX *nctx = NULL;\n BN_CTX *sctx = NULL;\n size_t i = 0;\n int st = 0;\n if (!TEST_ptr(nctx = BN_CTX_new())\n || !TEST_ptr(sctx = BN_CTX_secure_new()))\n goto err;\n for (i = 0; i < 2; i++) {\n BN_CTX *c = i == 0 ? nctx : sctx;\n if (!TEST_true(test_ctx_set_ct_flag(c))\n || !TEST_true(test_ctx_check_ct_flag(c)))\n goto err;\n }\n st = 1;\n err:\n BN_CTX_free(nctx);\n BN_CTX_free(sctx);\n return st;\n}', 'static int test_ctx_set_ct_flag(BN_CTX *c)\n{\n int st = 0;\n size_t i;\n BIGNUM *b[15];\n BN_CTX_start(c);\n for (i = 0; i < OSSL_NELEM(b); i++) {\n if (!TEST_ptr(b[i] = BN_CTX_get(c)))\n goto err;\n if (i % 2 == 1)\n BN_set_flags(b[i], BN_FLG_CONSTTIME);\n }\n st = 1;\n err:\n BN_CTX_end(c);\n return st;\n}', 'void BN_CTX_start(BN_CTX *ctx)\n{\n CTXDBG_ENTRY("BN_CTX_start", ctx);\n if (ctx->err_stack || ctx->too_many)\n ctx->err_stack++;\n else if (!BN_STACK_push(&ctx->stack, ctx->used)) {\n BNerr(BN_F_BN_CTX_START, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n ctx->err_stack++;\n }\n CTXDBG_EXIT(ctx);\n}', 'void BN_CTX_end(BN_CTX *ctx)\n{\n CTXDBG_ENTRY("BN_CTX_end", ctx);\n if (ctx->err_stack)\n ctx->err_stack--;\n else {\n unsigned int fp = BN_STACK_pop(&ctx->stack);\n if (fp < ctx->used)\n BN_POOL_release(&ctx->pool, ctx->used - fp);\n ctx->used = fp;\n ctx->too_many = 0;\n }\n CTXDBG_EXIT(ctx);\n}', 'static unsigned int BN_STACK_pop(BN_STACK *st)\n{\n return st->indexes[--(st->depth)];\n}'] |
11,767 | 0 | https://github.com/openssl/openssl/blob/18e1e302452e6dea4500b6f981cee7e151294dea/crypto/bn/bn_ctx.c/#L268 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | ['int ec_GFp_simple_set_compressed_coordinates(const EC_GROUP *group,\n EC_POINT *point,\n const BIGNUM *x_, int y_bit,\n BN_CTX *ctx)\n{\n BN_CTX *new_ctx = NULL;\n BIGNUM *tmp1, *tmp2, *x, *y;\n int ret = 0;\n ERR_clear_error();\n if (ctx == NULL) {\n ctx = new_ctx = BN_CTX_new();\n if (ctx == NULL)\n return 0;\n }\n y_bit = (y_bit != 0);\n BN_CTX_start(ctx);\n tmp1 = BN_CTX_get(ctx);\n tmp2 = BN_CTX_get(ctx);\n x = BN_CTX_get(ctx);\n y = BN_CTX_get(ctx);\n if (y == NULL)\n goto err;\n if (!BN_nnmod(x, x_, group->field, ctx))\n goto err;\n if (group->meth->field_decode == 0) {\n if (!group->meth->field_sqr(group, tmp2, x_, ctx))\n goto err;\n if (!group->meth->field_mul(group, tmp1, tmp2, x_, ctx))\n goto err;\n } else {\n if (!BN_mod_sqr(tmp2, x_, group->field, ctx))\n goto err;\n if (!BN_mod_mul(tmp1, tmp2, x_, group->field, ctx))\n goto err;\n }\n if (group->a_is_minus3) {\n if (!BN_mod_lshift1_quick(tmp2, x, group->field))\n goto err;\n if (!BN_mod_add_quick(tmp2, tmp2, x, group->field))\n goto err;\n if (!BN_mod_sub_quick(tmp1, tmp1, tmp2, group->field))\n goto err;\n } else {\n if (group->meth->field_decode) {\n if (!group->meth->field_decode(group, tmp2, group->a, ctx))\n goto err;\n if (!BN_mod_mul(tmp2, tmp2, x, group->field, ctx))\n goto err;\n } else {\n if (!group->meth->field_mul(group, tmp2, group->a, x, ctx))\n goto err;\n }\n if (!BN_mod_add_quick(tmp1, tmp1, tmp2, group->field))\n goto err;\n }\n if (group->meth->field_decode) {\n if (!group->meth->field_decode(group, tmp2, group->b, ctx))\n goto err;\n if (!BN_mod_add_quick(tmp1, tmp1, tmp2, group->field))\n goto err;\n } else {\n if (!BN_mod_add_quick(tmp1, tmp1, group->b, group->field))\n goto err;\n }\n if (!BN_mod_sqrt(y, tmp1, group->field, ctx)) {\n unsigned long err = ERR_peek_last_error();\n if (ERR_GET_LIB(err) == ERR_LIB_BN\n && ERR_GET_REASON(err) == BN_R_NOT_A_SQUARE) {\n ERR_clear_error();\n ECerr(EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES,\n EC_R_INVALID_COMPRESSED_POINT);\n } else\n ECerr(EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES,\n ERR_R_BN_LIB);\n goto err;\n }\n if (y_bit != BN_is_odd(y)) {\n if (BN_is_zero(y)) {\n int kron;\n kron = BN_kronecker(x, group->field, ctx);\n if (kron == -2)\n goto err;\n if (kron == 1)\n ECerr(EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES,\n EC_R_INVALID_COMPRESSION_BIT);\n else\n ECerr(EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES,\n EC_R_INVALID_COMPRESSED_POINT);\n goto err;\n }\n if (!BN_usub(y, group->field, y))\n goto err;\n }\n if (y_bit != BN_is_odd(y)) {\n ECerr(EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES,\n ERR_R_INTERNAL_ERROR);\n goto err;\n }\n if (!EC_POINT_set_affine_coordinates(group, point, x, y, ctx))\n goto err;\n ret = 1;\n err:\n BN_CTX_end(ctx);\n BN_CTX_free(new_ctx);\n return ret;\n}', 'void BN_CTX_start(BN_CTX *ctx)\n{\n CTXDBG("ENTER BN_CTX_start()", ctx);\n if (ctx->err_stack || ctx->too_many)\n ctx->err_stack++;\n else if (!BN_STACK_push(&ctx->stack, ctx->used)) {\n BNerr(BN_F_BN_CTX_START, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n ctx->err_stack++;\n }\n CTXDBG("LEAVE BN_CTX_start()", ctx);\n}', 'int BN_mod_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const BIGNUM *m,\n BN_CTX *ctx)\n{\n BIGNUM *t;\n int ret = 0;\n bn_check_top(a);\n bn_check_top(b);\n bn_check_top(m);\n BN_CTX_start(ctx);\n if ((t = BN_CTX_get(ctx)) == NULL)\n goto err;\n if (a == b) {\n if (!BN_sqr(t, a, ctx))\n goto err;\n } else {\n if (!BN_mul(t, a, b, ctx))\n goto err;\n }\n if (!BN_nnmod(r, t, m, ctx))\n goto err;\n bn_check_top(r);\n ret = 1;\n err:\n BN_CTX_end(ctx);\n return ret;\n}', 'BIGNUM *BN_CTX_get(BN_CTX *ctx)\n{\n BIGNUM *ret;\n CTXDBG("ENTER BN_CTX_get()", ctx);\n if (ctx->err_stack || ctx->too_many)\n return NULL;\n if ((ret = BN_POOL_get(&ctx->pool, ctx->flags)) == NULL) {\n ctx->too_many = 1;\n BNerr(BN_F_BN_CTX_GET, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n return NULL;\n }\n BN_zero(ret);\n ret->flags &= (~BN_FLG_CONSTTIME);\n ctx->used++;\n CTXDBG("LEAVE BN_CTX_get()", ctx);\n return ret;\n}', 'int BN_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)\n{\n int ret = bn_mul_fixed_top(r, a, b, ctx);\n bn_correct_top(r);\n bn_check_top(r);\n return ret;\n}', 'int bn_mul_fixed_top(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)\n{\n int ret = 0;\n int top, al, bl;\n BIGNUM *rr;\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\n int i;\n#endif\n#ifdef BN_RECURSION\n BIGNUM *t = NULL;\n int j = 0, k;\n#endif\n bn_check_top(a);\n bn_check_top(b);\n bn_check_top(r);\n al = a->top;\n bl = b->top;\n if ((al == 0) || (bl == 0)) {\n BN_zero(r);\n return 1;\n }\n top = al + bl;\n BN_CTX_start(ctx);\n if ((r == a) || (r == b)) {\n if ((rr = BN_CTX_get(ctx)) == NULL)\n goto err;\n } else\n rr = r;\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\n i = al - bl;\n#endif\n#ifdef BN_MUL_COMBA\n if (i == 0) {\n# if 0\n if (al == 4) {\n if (bn_wexpand(rr, 8) == NULL)\n goto err;\n rr->top = 8;\n bn_mul_comba4(rr->d, a->d, b->d);\n goto end;\n }\n# endif\n if (al == 8) {\n if (bn_wexpand(rr, 16) == NULL)\n goto err;\n rr->top = 16;\n bn_mul_comba8(rr->d, a->d, b->d);\n goto end;\n }\n }\n#endif\n#ifdef BN_RECURSION\n if ((al >= BN_MULL_SIZE_NORMAL) && (bl >= BN_MULL_SIZE_NORMAL)) {\n if (i >= -1 && i <= 1) {\n if (i >= 0) {\n j = BN_num_bits_word((BN_ULONG)al);\n }\n if (i == -1) {\n j = BN_num_bits_word((BN_ULONG)bl);\n }\n j = 1 << (j - 1);\n assert(j <= al || j <= bl);\n k = j + j;\n t = BN_CTX_get(ctx);\n if (t == NULL)\n goto err;\n if (al > j || bl > j) {\n if (bn_wexpand(t, k * 4) == NULL)\n goto err;\n if (bn_wexpand(rr, k * 4) == NULL)\n goto err;\n bn_mul_part_recursive(rr->d, a->d, b->d,\n j, al - j, bl - j, t->d);\n } else {\n if (bn_wexpand(t, k * 2) == NULL)\n goto err;\n if (bn_wexpand(rr, k * 2) == NULL)\n goto err;\n bn_mul_recursive(rr->d, a->d, b->d, j, al - j, bl - j, t->d);\n }\n rr->top = top;\n goto end;\n }\n }\n#endif\n if (bn_wexpand(rr, top) == NULL)\n goto err;\n rr->top = top;\n bn_mul_normal(rr->d, a->d, al, b->d, bl);\n#if defined(BN_MUL_COMBA) || defined(BN_RECURSION)\n end:\n#endif\n rr->neg = a->neg ^ b->neg;\n rr->flags |= BN_FLG_FIXED_TOP;\n if (r != rr && BN_copy(r, rr) == NULL)\n goto err;\n ret = 1;\n err:\n bn_check_top(r);\n BN_CTX_end(ctx);\n return ret;\n}', 'void BN_CTX_end(BN_CTX *ctx)\n{\n CTXDBG("ENTER BN_CTX_end()", ctx);\n if (ctx->err_stack)\n ctx->err_stack--;\n else {\n unsigned int fp = BN_STACK_pop(&ctx->stack);\n if (fp < ctx->used)\n BN_POOL_release(&ctx->pool, ctx->used - fp);\n ctx->used = fp;\n ctx->too_many = 0;\n }\n CTXDBG("LEAVE BN_CTX_end()", ctx);\n}', 'static unsigned int BN_STACK_pop(BN_STACK *st)\n{\n return st->indexes[--(st->depth)];\n}'] |
11,768 | 0 | https://github.com/openssl/openssl/blob/1fac96e4d6484a517f2ebe99b72016726391723c/crypto/bn/bn_lib.c/#L447 | BIGNUM *bn_expand2(BIGNUM *b, int words)
{
BN_ULONG *A,*a;
const BN_ULONG *B;
int i;
bn_check_top(b);
if (words > b->max)
{
bn_check_top(b);
if (BN_get_flags(b,BN_FLG_STATIC_DATA))
{
BNerr(BN_F_BN_EXPAND2,BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);
return(NULL);
}
a=A=(BN_ULONG *)Malloc(sizeof(BN_ULONG)*(words+1));
if (A == NULL)
{
BNerr(BN_F_BN_EXPAND2,ERR_R_MALLOC_FAILURE);
return(NULL);
}
#if 1
B=b->d;
if (B != NULL)
{
#if 0
for (i=b->top&(~7); i>0; i-=8)
{
A[0]=B[0]; A[1]=B[1]; A[2]=B[2]; A[3]=B[3];
A[4]=B[4]; A[5]=B[5]; A[6]=B[6]; A[7]=B[7];
A+=8;
B+=8;
}
switch (b->top&7)
{
case 7:
A[6]=B[6];
case 6:
A[5]=B[5];
case 5:
A[4]=B[4];
case 4:
A[3]=B[3];
case 3:
A[2]=B[2];
case 2:
A[1]=B[1];
case 1:
A[0]=B[0];
case 0:
;
}
#else
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: ;
}
#endif
Free(b->d);
}
b->d=a;
b->max=words;
A= &(b->d[b->top]);
for (i=(b->max - b->top)>>3; i>0; i--,A+=8)
{
A[0]=0; A[1]=0; A[2]=0; A[3]=0;
A[4]=0; A[5]=0; A[6]=0; A[7]=0;
}
for (i=(b->max - b->top)&7; i>0; i--,A++)
A[0]=0;
#else
memset(A,0,sizeof(BN_ULONG)*(words+1));
memcpy(A,b->d,sizeof(b->d[0])*b->top);
b->d=a;
b->max=words;
#endif
}
return(b);
} | ['int PKCS12_key_gen_uni (unsigned char *pass, int passlen, unsigned char *salt,\n\t int saltlen, int id, int iter, int n, unsigned char *out,\n\t const EVP_MD *md_type)\n{\n\tunsigned char *B, *D, *I, *p, *Ai;\n\tint Slen, Plen, Ilen;\n\tint i, j, u, v;\n\tBIGNUM *Ij, *Bpl1;\n\tEVP_MD_CTX ctx;\n#ifdef DEBUG_KEYGEN\n\tunsigned char *tmpout = out;\n\tint tmpn = n;\n\tBIO_printf (bio_err, "KEYGEN DEBUG\\n");\n\tBIO_printf (bio_err, "ID %d, ITER %d\\n", id, iter);\n\tBIO_printf (bio_err, "Password (length %d):\\n", passlen);\n\th__dump (pass, passlen);\n\tBIO_printf (bio_err, "Salt (length %d):\\n", saltlen);\n\th__dump (salt, saltlen);\n\tBIO_printf (bio_err, "ID %d, ITER %d\\n\\n", id, iter);\n#endif\n\tv = EVP_MD_block_size (md_type);\n\tu = EVP_MD_size (md_type);\n\tD = Malloc (v);\n\tAi = Malloc (u);\n\tB = Malloc (v + 1);\n\tSlen = v * ((saltlen+v-1)/v);\n\tPlen = v * ((passlen+v-1)/v);\n\tIlen = Slen + Plen;\n\tI = Malloc (Ilen);\n\tIj = BN_new();\n\tBpl1 = BN_new();\n\tif (!D || !Ai || !B || !I || !Ij || !Bpl1) {\n\t\tPKCS12err(PKCS12_F_PKCS12_KEY_GEN_UNI,ERR_R_MALLOC_FAILURE);\n\t\treturn 0;\n\t}\n\tfor (i = 0; i < v; i++) D[i] = id;\n\tp = I;\n\tfor (i = 0; i < Slen; i++) *p++ = salt[i % saltlen];\n\tfor (i = 0; i < Plen; i++) *p++ = pass[i % passlen];\n\tfor (;;) {\n\t\tEVP_DigestInit (&ctx, md_type);\n\t\tEVP_DigestUpdate (&ctx, D, v);\n\t\tEVP_DigestUpdate (&ctx, I, Ilen);\n\t\tEVP_DigestFinal (&ctx, Ai, NULL);\n\t\tfor (j = 1; j < iter; j++) {\n\t\t\tEVP_DigestInit (&ctx, md_type);\n\t\t\tEVP_DigestUpdate (&ctx, Ai, u);\n\t\t\tEVP_DigestFinal (&ctx, Ai, NULL);\n\t\t}\n\t\tmemcpy (out, Ai, min (n, u));\n\t\tif (u >= n) {\n\t\t\tFree (Ai);\n\t\t\tFree (B);\n\t\t\tFree (D);\n\t\t\tFree (I);\n\t\t\tBN_free (Ij);\n\t\t\tBN_free (Bpl1);\n#ifdef DEBUG_KEYGEN\n\t\t\tBIO_printf (bio_err, "Output KEY (length %d)\\n", tmpn);\n\t\t\th__dump (tmpout, tmpn);\n#endif\n\t\t\treturn 1;\n\t\t}\n\t\tn -= u;\n\t\tout += u;\n\t\tfor (j = 0; j < v; j++) B[j] = Ai[j % u];\n\t\tBN_bin2bn (B, v, Bpl1);\n\t\tBN_add_word (Bpl1, 1);\n\t\tfor (j = 0; j < Ilen ; j+=v) {\n\t\t\tBN_bin2bn (I + j, v, Ij);\n\t\t\tBN_add (Ij, Ij, Bpl1);\n\t\t\tBN_bn2bin (Ij, B);\n\t\t\tif (BN_num_bytes (Ij) > v) {\n\t\t\t\tBN_bn2bin (Ij, B);\n\t\t\t\tmemcpy (I + j, B + 1, v);\n\t\t\t} else BN_bn2bin (Ij, I + j);\n\t\t}\n\t}\n}', 'BIGNUM *BN_bin2bn(const unsigned char *s, int len, BIGNUM *ret)\n\t{\n\tunsigned int i,m;\n\tunsigned int n;\n\tBN_ULONG l;\n\tif (ret == NULL) ret=BN_new();\n\tif (ret == NULL) return(NULL);\n\tl=0;\n\tn=len;\n\tif (n == 0)\n\t\t{\n\t\tret->top=0;\n\t\treturn(ret);\n\t\t}\n\tif (bn_expand(ret,(int)(n+2)*8) == NULL)\n\t\treturn(NULL);\n\ti=((n-1)/BN_BYTES)+1;\n\tm=((n-1)%(BN_BYTES));\n\tret->top=i;\n\twhile (n-- > 0)\n\t\t{\n\t\tl=(l<<8L)| *(s++);\n\t\tif (m-- == 0)\n\t\t\t{\n\t\t\tret->d[--i]=l;\n\t\t\tl=0;\n\t\t\tm=BN_BYTES-1;\n\t\t\t}\n\t\t}\n\tbn_fix_top(ret);\n\treturn(ret);\n\t}', 'int BN_add_word(BIGNUM *a, BN_ULONG w)\n\t{\n\tBN_ULONG l;\n\tint i;\n\tif (a->neg)\n\t\t{\n\t\ta->neg=0;\n\t\ti=BN_sub_word(a,w);\n\t\tif (!BN_is_zero(a))\n\t\t\ta->neg=1;\n\t\treturn(i);\n\t\t}\n\tw&=BN_MASK2;\n\tif (bn_wexpand(a,a->top+1) == NULL) return(0);\n\ti=0;\n\tfor (;;)\n\t\t{\n\t\tl=(a->d[i]+(BN_ULONG)w)&BN_MASK2;\n\t\ta->d[i]=l;\n\t\tif (w > l)\n\t\t\tw=1;\n\t\telse\n\t\t\tbreak;\n\t\ti++;\n\t\t}\n\tif (i >= a->top)\n\t\ta->top++;\n\treturn(1);\n\t}', 'BIGNUM *bn_expand2(BIGNUM *b, int words)\n\t{\n\tBN_ULONG *A,*a;\n\tconst BN_ULONG *B;\n\tint i;\n\tbn_check_top(b);\n\tif (words > b->max)\n\t\t{\n\t\tbn_check_top(b);\n\t\tif (BN_get_flags(b,BN_FLG_STATIC_DATA))\n\t\t\t{\n\t\t\tBNerr(BN_F_BN_EXPAND2,BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);\n\t\t\treturn(NULL);\n\t\t\t}\n\t\ta=A=(BN_ULONG *)Malloc(sizeof(BN_ULONG)*(words+1));\n\t\tif (A == NULL)\n\t\t\t{\n\t\t\tBNerr(BN_F_BN_EXPAND2,ERR_R_MALLOC_FAILURE);\n\t\t\treturn(NULL);\n\t\t\t}\n#if 1\n\t\tB=b->d;\n\t\tif (B != NULL)\n\t\t\t{\n#if 0\n\t\t\tfor (i=b->top&(~7); i>0; i-=8)\n\t\t\t\t{\n\t\t\t\tA[0]=B[0]; A[1]=B[1]; A[2]=B[2]; A[3]=B[3];\n\t\t\t\tA[4]=B[4]; A[5]=B[5]; A[6]=B[6]; A[7]=B[7];\n\t\t\t\tA+=8;\n\t\t\t\tB+=8;\n\t\t\t\t}\n\t\t\tswitch (b->top&7)\n\t\t\t\t{\n\t\t\tcase 7:\n\t\t\t\tA[6]=B[6];\n\t\t\tcase 6:\n\t\t\t\tA[5]=B[5];\n\t\t\tcase 5:\n\t\t\t\tA[4]=B[4];\n\t\t\tcase 4:\n\t\t\t\tA[3]=B[3];\n\t\t\tcase 3:\n\t\t\t\tA[2]=B[2];\n\t\t\tcase 2:\n\t\t\t\tA[1]=B[1];\n\t\t\tcase 1:\n\t\t\t\tA[0]=B[0];\n\t\t\tcase 0:\n\t\t\t\t;\n\t\t\t\t}\n#else\n\t\t\tfor (i=b->top>>2; i>0; i--,A+=4,B+=4)\n\t\t\t\t{\n\t\t\t\tBN_ULONG a0,a1,a2,a3;\n\t\t\t\ta0=B[0]; a1=B[1]; a2=B[2]; a3=B[3];\n\t\t\t\tA[0]=a0; A[1]=a1; A[2]=a2; A[3]=a3;\n\t\t\t\t}\n\t\t\tswitch (b->top&3)\n\t\t\t\t{\n\t\t\t\tcase 3:\tA[2]=B[2];\n\t\t\t\tcase 2:\tA[1]=B[1];\n\t\t\t\tcase 1:\tA[0]=B[0];\n\t\t\t\tcase 0:\t;\n\t\t\t\t}\n#endif\n\t\t\tFree(b->d);\n\t\t\t}\n\t\tb->d=a;\n\t\tb->max=words;\n\t\tA= &(b->d[b->top]);\n\t\tfor (i=(b->max - b->top)>>3; i>0; i--,A+=8)\n\t\t\t{\n\t\t\tA[0]=0; A[1]=0; A[2]=0; A[3]=0;\n\t\t\tA[4]=0; A[5]=0; A[6]=0; A[7]=0;\n\t\t\t}\n\t\tfor (i=(b->max - b->top)&7; i>0; i--,A++)\n\t\t\tA[0]=0;\n#else\n\t\t\tmemset(A,0,sizeof(BN_ULONG)*(words+1));\n\t\t\tmemcpy(A,b->d,sizeof(b->d[0])*b->top);\n\t\t\tb->d=a;\n\t\t\tb->max=words;\n#endif\n\t\t}\n\treturn(b);\n\t}'] |
11,769 | 0 | https://github.com/libav/libav/blob/dad7a9c7c0ae8ebc56f2e3a24e6fa4da5c2cd491/libavcodec/bitstream.h/#L68 | static inline void refill_32(BitstreamContext *bc)
{
if (bc->ptr >= bc->buffer_end)
return;
#ifdef BITSTREAM_READER_LE
bc->bits = (uint64_t)AV_RL32(bc->ptr) << bc->bits_left | bc->bits;
#else
bc->bits = bc->bits | (uint64_t)AV_RB32(bc->ptr) << (32 - bc->bits_left);
#endif
bc->ptr += 4;
bc->bits_left += 32;
} | ['static void decode_mb_p(AVSContext *h, enum cavs_mb mb_type)\n{\n BitstreamContext *bc = &h->bc;\n int ref[4];\n ff_cavs_init_mb(h);\n switch (mb_type) {\n case P_SKIP:\n ff_cavs_mv(h, MV_FWD_X0, MV_FWD_C2, MV_PRED_PSKIP, BLK_16X16, 0);\n break;\n case P_16X16:\n ref[0] = h->ref_flag ? 0 : bitstream_read_bit(bc);\n ff_cavs_mv(h, MV_FWD_X0, MV_FWD_C2, MV_PRED_MEDIAN, BLK_16X16, ref[0]);\n break;\n case P_16X8:\n ref[0] = h->ref_flag ? 0 : bitstream_read_bit(bc);\n ref[2] = h->ref_flag ? 0 : bitstream_read_bit(bc);\n ff_cavs_mv(h, MV_FWD_X0, MV_FWD_C2, MV_PRED_TOP, BLK_16X8, ref[0]);\n ff_cavs_mv(h, MV_FWD_X2, MV_FWD_A1, MV_PRED_LEFT, BLK_16X8, ref[2]);\n break;\n case P_8X16:\n ref[0] = h->ref_flag ? 0 : bitstream_read_bit(bc);\n ref[1] = h->ref_flag ? 0 : bitstream_read_bit(bc);\n ff_cavs_mv(h, MV_FWD_X0, MV_FWD_B3, MV_PRED_LEFT, BLK_8X16, ref[0]);\n ff_cavs_mv(h, MV_FWD_X1, MV_FWD_C2, MV_PRED_TOPRIGHT, BLK_8X16, ref[1]);\n break;\n case P_8X8:\n ref[0] = h->ref_flag ? 0 : bitstream_read_bit(bc);\n ref[1] = h->ref_flag ? 0 : bitstream_read_bit(bc);\n ref[2] = h->ref_flag ? 0 : bitstream_read_bit(bc);\n ref[3] = h->ref_flag ? 0 : bitstream_read_bit(bc);\n ff_cavs_mv(h, MV_FWD_X0, MV_FWD_B3, MV_PRED_MEDIAN, BLK_8X8, ref[0]);\n ff_cavs_mv(h, MV_FWD_X1, MV_FWD_C2, MV_PRED_MEDIAN, BLK_8X8, ref[1]);\n ff_cavs_mv(h, MV_FWD_X2, MV_FWD_X1, MV_PRED_MEDIAN, BLK_8X8, ref[2]);\n ff_cavs_mv(h, MV_FWD_X3, MV_FWD_X0, MV_PRED_MEDIAN, BLK_8X8, ref[3]);\n }\n ff_cavs_inter(h, mb_type);\n set_intra_mode_default(h);\n store_mvs(h);\n if (mb_type != P_SKIP)\n decode_residual_inter(h);\n ff_cavs_filter(h, mb_type);\n h->col_type_base[h->mbidx] = mb_type;\n}', 'void ff_cavs_mv(AVSContext *h, enum cavs_mv_loc nP, enum cavs_mv_loc nC,\n enum cavs_mv_pred mode, enum cavs_block size, int ref)\n{\n cavs_vector *mvP = &h->mv[nP];\n cavs_vector *mvA = &h->mv[nP-1];\n cavs_vector *mvB = &h->mv[nP-4];\n cavs_vector *mvC = &h->mv[nC];\n const cavs_vector *mvP2 = NULL;\n mvP->ref = ref;\n mvP->dist = h->dist[mvP->ref];\n if (mvC->ref == NOT_AVAIL)\n mvC = &h->mv[nP - 5];\n if (mode == MV_PRED_PSKIP &&\n (mvA->ref == NOT_AVAIL ||\n mvB->ref == NOT_AVAIL ||\n (mvA->x | mvA->y | mvA->ref) == 0 ||\n (mvB->x | mvB->y | mvB->ref) == 0)) {\n mvP2 = &un_mv;\n } else if (mvA->ref >= 0 && mvB->ref < 0 && mvC->ref < 0) {\n mvP2 = mvA;\n } else if (mvA->ref < 0 && mvB->ref >= 0 && mvC->ref < 0) {\n mvP2 = mvB;\n } else if (mvA->ref < 0 && mvB->ref < 0 && mvC->ref >= 0) {\n mvP2 = mvC;\n } else if (mode == MV_PRED_LEFT && mvA->ref == ref) {\n mvP2 = mvA;\n } else if (mode == MV_PRED_TOP && mvB->ref == ref) {\n mvP2 = mvB;\n } else if (mode == MV_PRED_TOPRIGHT && mvC->ref == ref) {\n mvP2 = mvC;\n }\n if (mvP2) {\n mvP->x = mvP2->x;\n mvP->y = mvP2->y;\n } else\n mv_pred_median(h, mvP, mvA, mvB, mvC);\n if (mode < MV_PRED_PSKIP) {\n mvP->x += get_se_golomb(&h->bc);\n mvP->y += get_se_golomb(&h->bc);\n }\n set_mvs(mvP, size);\n}', 'static inline int get_se_golomb(BitstreamContext *bc)\n{\n unsigned int buf;\n buf = bitstream_peek(bc, 32);\n if (buf >= (1 << 27)) {\n buf >>= 32 - 9;\n bitstream_skip(bc, ff_golomb_vlc_len[buf]);\n return ff_se_golomb_vlc_code[buf];\n } else {\n int log = 2 * av_log2(buf) - 31;\n buf >>= log;\n bitstream_skip(bc, 32 - log);\n if (buf & 1)\n buf = -(buf >> 1);\n else\n buf = (buf >> 1);\n return buf;\n }\n}', 'static inline unsigned bitstream_peek(BitstreamContext *bc, unsigned n)\n{\n if (n > bc->bits_left)\n refill_32(bc);\n return show_val(bc, n);\n}', 'static inline void refill_32(BitstreamContext *bc)\n{\n if (bc->ptr >= bc->buffer_end)\n return;\n#ifdef BITSTREAM_READER_LE\n bc->bits = (uint64_t)AV_RL32(bc->ptr) << bc->bits_left | bc->bits;\n#else\n bc->bits = bc->bits | (uint64_t)AV_RB32(bc->ptr) << (32 - bc->bits_left);\n#endif\n bc->ptr += 4;\n bc->bits_left += 32;\n}'] |
11,770 | 0 | https://github.com/libav/libav/blob/ab3554e1a7c04a5ea30f9c905de92348478ef7c8/avprobe.c/#L373 | static void old_print_object_footer(const char *name)
{
char *str, *p;
if (!strcmp(name, "tags"))
return;
str = p = av_strdup(name);
if (!str)
return;
while (*p) {
*p = av_toupper(*p);
p++;
}
avio_printf(probe_out, "[/%s]\n", str);
av_freep(&str);
} | ['static void old_print_object_footer(const char *name)\n{\n char *str, *p;\n if (!strcmp(name, "tags"))\n return;\n str = p = av_strdup(name);\n if (!str)\n return;\n while (*p) {\n *p = av_toupper(*p);\n p++;\n }\n avio_printf(probe_out, "[/%s]\\n", str);\n av_freep(&str);\n}', 'char *av_strdup(const char *s)\n{\n char *ptr = NULL;\n if (s) {\n int len = strlen(s) + 1;\n ptr = av_realloc(NULL, len);\n if (ptr)\n memcpy(ptr, s, len);\n }\n return ptr;\n}', 'void *av_realloc(void *ptr, size_t size)\n{\n if (size > (INT_MAX - 16))\n return NULL;\n#if HAVE_ALIGNED_MALLOC\n return _aligned_realloc(ptr, size, 32);\n#else\n return realloc(ptr, size);\n#endif\n}', "static inline av_const int av_toupper(int c)\n{\n if (c >= 'a' && c <= 'z')\n c ^= 0x20;\n return c;\n}", 'int avio_printf(AVIOContext *s, const char *fmt, ...)\n{\n va_list ap;\n char buf[4096];\n int ret;\n va_start(ap, fmt);\n ret = vsnprintf(buf, sizeof(buf), fmt, ap);\n va_end(ap);\n avio_write(s, buf, strlen(buf));\n return ret;\n}'] |
11,771 | 0 | https://github.com/nginx/nginx/blob/ddb7cd1c410a7166d8e28092d714f782ed1d69b3/src/core/ngx_slab.c/#L464 | void
ngx_slab_free_locked(ngx_slab_pool_t *pool, void *p)
{
size_t size;
uintptr_t slab, m, *bitmap;
ngx_uint_t n, type, slot, shift, map;
ngx_slab_page_t *slots, *page;
ngx_log_debug1(NGX_LOG_DEBUG_ALLOC, ngx_cycle->log, 0, "slab free: %p", p);
if ((u_char *) p < pool->start || (u_char *) p > pool->end) {
ngx_slab_error(pool, NGX_LOG_ALERT, "ngx_slab_free(): outside of pool");
goto fail;
}
n = ((u_char *) p - pool->start) >> ngx_pagesize_shift;
page = &pool->pages[n];
slab = page->slab;
type = page->prev & NGX_SLAB_PAGE_MASK;
switch (type) {
case NGX_SLAB_SMALL:
shift = slab & NGX_SLAB_SHIFT_MASK;
size = 1 << shift;
if ((uintptr_t) p & (size - 1)) {
goto wrong_chunk;
}
n = ((uintptr_t) p & (ngx_pagesize - 1)) >> shift;
m = (uintptr_t) 1 << (n & (sizeof(uintptr_t) * 8 - 1));
n /= (sizeof(uintptr_t) * 8);
bitmap = (uintptr_t *) ((uintptr_t) p & ~(ngx_pagesize - 1));
if (bitmap[n] & m) {
if (page->next == NULL) {
slots = (ngx_slab_page_t *)
((u_char *) pool + sizeof(ngx_slab_pool_t));
slot = shift - pool->min_shift;
page->next = slots[slot].next;
slots[slot].next = page;
page->prev = (uintptr_t) &slots[slot] | NGX_SLAB_SMALL;
page->next->prev = (uintptr_t) page | NGX_SLAB_SMALL;
}
bitmap[n] &= ~m;
n = (1 << (ngx_pagesize_shift - shift)) / 8 / (1 << shift);
if (n == 0) {
n = 1;
}
if (bitmap[0] & ~(((uintptr_t) 1 << n) - 1)) {
goto done;
}
map = (1 << (ngx_pagesize_shift - shift)) / (sizeof(uintptr_t) * 8);
for (n = 1; n < map; n++) {
if (bitmap[n]) {
goto done;
}
}
ngx_slab_free_pages(pool, page, 1);
goto done;
}
goto chunk_already_free;
case NGX_SLAB_EXACT:
m = (uintptr_t) 1 <<
(((uintptr_t) p & (ngx_pagesize - 1)) >> ngx_slab_exact_shift);
size = ngx_slab_exact_size;
if ((uintptr_t) p & (size - 1)) {
goto wrong_chunk;
}
if (slab & m) {
if (slab == NGX_SLAB_BUSY) {
slots = (ngx_slab_page_t *)
((u_char *) pool + sizeof(ngx_slab_pool_t));
slot = ngx_slab_exact_shift - pool->min_shift;
page->next = slots[slot].next;
slots[slot].next = page;
page->prev = (uintptr_t) &slots[slot] | NGX_SLAB_EXACT;
page->next->prev = (uintptr_t) page | NGX_SLAB_EXACT;
}
page->slab &= ~m;
if (page->slab) {
goto done;
}
ngx_slab_free_pages(pool, page, 1);
goto done;
}
goto chunk_already_free;
case NGX_SLAB_BIG:
shift = slab & NGX_SLAB_SHIFT_MASK;
size = 1 << shift;
if ((uintptr_t) p & (size - 1)) {
goto wrong_chunk;
}
m = (uintptr_t) 1 << ((((uintptr_t) p & (ngx_pagesize - 1)) >> shift)
+ NGX_SLAB_MAP_SHIFT);
if (slab & m) {
if (page->next == NULL) {
slots = (ngx_slab_page_t *)
((u_char *) pool + sizeof(ngx_slab_pool_t));
slot = shift - pool->min_shift;
page->next = slots[slot].next;
slots[slot].next = page;
page->prev = (uintptr_t) &slots[slot] | NGX_SLAB_BIG;
page->next->prev = (uintptr_t) page | NGX_SLAB_BIG;
}
page->slab &= ~m;
if (page->slab & NGX_SLAB_MAP_MASK) {
goto done;
}
ngx_slab_free_pages(pool, page, 1);
goto done;
}
goto chunk_already_free;
case NGX_SLAB_PAGE:
if ((uintptr_t) p & (ngx_pagesize - 1)) {
goto wrong_chunk;
}
if (slab == NGX_SLAB_PAGE_FREE) {
ngx_slab_error(pool, NGX_LOG_ALERT,
"ngx_slab_free(): page is already free");
goto fail;
}
if (slab == NGX_SLAB_PAGE_BUSY) {
ngx_slab_error(pool, NGX_LOG_ALERT,
"ngx_slab_free(): pointer to wrong page");
goto fail;
}
n = ((u_char *) p - pool->start) >> ngx_pagesize_shift;
size = slab & ~NGX_SLAB_PAGE_START;
ngx_slab_free_pages(pool, &pool->pages[n], size);
ngx_slab_junk(p, size << ngx_pagesize_shift);
return;
}
return;
done:
ngx_slab_junk(p, size);
return;
wrong_chunk:
ngx_slab_error(pool, NGX_LOG_ALERT,
"ngx_slab_free(): pointer to wrong chunk");
goto fail;
chunk_already_free:
ngx_slab_error(pool, NGX_LOG_ALERT,
"ngx_slab_free(): chunk is already free");
fail:
return;
} | ['static void\nngx_http_limit_conn_cleanup(void *data)\n{\n ngx_http_limit_conn_cleanup_t *lccln = data;\n ngx_slab_pool_t *shpool;\n ngx_rbtree_node_t *node;\n ngx_http_limit_conn_ctx_t *ctx;\n ngx_http_limit_conn_node_t *lc;\n ctx = lccln->shm_zone->data;\n shpool = (ngx_slab_pool_t *) lccln->shm_zone->shm.addr;\n node = lccln->node;\n lc = (ngx_http_limit_conn_node_t *) &node->color;\n ngx_shmtx_lock(&shpool->mutex);\n ngx_log_debug2(NGX_LOG_DEBUG_HTTP, lccln->shm_zone->shm.log, 0,\n "limit zone cleanup: %08XD %d", node->key, lc->conn);\n lc->conn--;\n if (lc->conn == 0) {\n ngx_rbtree_delete(ctx->rbtree, node);\n ngx_slab_free_locked(shpool, node);\n }\n ngx_shmtx_unlock(&shpool->mutex);\n}', 'void\nngx_slab_free_locked(ngx_slab_pool_t *pool, void *p)\n{\n size_t size;\n uintptr_t slab, m, *bitmap;\n ngx_uint_t n, type, slot, shift, map;\n ngx_slab_page_t *slots, *page;\n ngx_log_debug1(NGX_LOG_DEBUG_ALLOC, ngx_cycle->log, 0, "slab free: %p", p);\n if ((u_char *) p < pool->start || (u_char *) p > pool->end) {\n ngx_slab_error(pool, NGX_LOG_ALERT, "ngx_slab_free(): outside of pool");\n goto fail;\n }\n n = ((u_char *) p - pool->start) >> ngx_pagesize_shift;\n page = &pool->pages[n];\n slab = page->slab;\n type = page->prev & NGX_SLAB_PAGE_MASK;\n switch (type) {\n case NGX_SLAB_SMALL:\n shift = slab & NGX_SLAB_SHIFT_MASK;\n size = 1 << shift;\n if ((uintptr_t) p & (size - 1)) {\n goto wrong_chunk;\n }\n n = ((uintptr_t) p & (ngx_pagesize - 1)) >> shift;\n m = (uintptr_t) 1 << (n & (sizeof(uintptr_t) * 8 - 1));\n n /= (sizeof(uintptr_t) * 8);\n bitmap = (uintptr_t *) ((uintptr_t) p & ~(ngx_pagesize - 1));\n if (bitmap[n] & m) {\n if (page->next == NULL) {\n slots = (ngx_slab_page_t *)\n ((u_char *) pool + sizeof(ngx_slab_pool_t));\n slot = shift - pool->min_shift;\n page->next = slots[slot].next;\n slots[slot].next = page;\n page->prev = (uintptr_t) &slots[slot] | NGX_SLAB_SMALL;\n page->next->prev = (uintptr_t) page | NGX_SLAB_SMALL;\n }\n bitmap[n] &= ~m;\n n = (1 << (ngx_pagesize_shift - shift)) / 8 / (1 << shift);\n if (n == 0) {\n n = 1;\n }\n if (bitmap[0] & ~(((uintptr_t) 1 << n) - 1)) {\n goto done;\n }\n map = (1 << (ngx_pagesize_shift - shift)) / (sizeof(uintptr_t) * 8);\n for (n = 1; n < map; n++) {\n if (bitmap[n]) {\n goto done;\n }\n }\n ngx_slab_free_pages(pool, page, 1);\n goto done;\n }\n goto chunk_already_free;\n case NGX_SLAB_EXACT:\n m = (uintptr_t) 1 <<\n (((uintptr_t) p & (ngx_pagesize - 1)) >> ngx_slab_exact_shift);\n size = ngx_slab_exact_size;\n if ((uintptr_t) p & (size - 1)) {\n goto wrong_chunk;\n }\n if (slab & m) {\n if (slab == NGX_SLAB_BUSY) {\n slots = (ngx_slab_page_t *)\n ((u_char *) pool + sizeof(ngx_slab_pool_t));\n slot = ngx_slab_exact_shift - pool->min_shift;\n page->next = slots[slot].next;\n slots[slot].next = page;\n page->prev = (uintptr_t) &slots[slot] | NGX_SLAB_EXACT;\n page->next->prev = (uintptr_t) page | NGX_SLAB_EXACT;\n }\n page->slab &= ~m;\n if (page->slab) {\n goto done;\n }\n ngx_slab_free_pages(pool, page, 1);\n goto done;\n }\n goto chunk_already_free;\n case NGX_SLAB_BIG:\n shift = slab & NGX_SLAB_SHIFT_MASK;\n size = 1 << shift;\n if ((uintptr_t) p & (size - 1)) {\n goto wrong_chunk;\n }\n m = (uintptr_t) 1 << ((((uintptr_t) p & (ngx_pagesize - 1)) >> shift)\n + NGX_SLAB_MAP_SHIFT);\n if (slab & m) {\n if (page->next == NULL) {\n slots = (ngx_slab_page_t *)\n ((u_char *) pool + sizeof(ngx_slab_pool_t));\n slot = shift - pool->min_shift;\n page->next = slots[slot].next;\n slots[slot].next = page;\n page->prev = (uintptr_t) &slots[slot] | NGX_SLAB_BIG;\n page->next->prev = (uintptr_t) page | NGX_SLAB_BIG;\n }\n page->slab &= ~m;\n if (page->slab & NGX_SLAB_MAP_MASK) {\n goto done;\n }\n ngx_slab_free_pages(pool, page, 1);\n goto done;\n }\n goto chunk_already_free;\n case NGX_SLAB_PAGE:\n if ((uintptr_t) p & (ngx_pagesize - 1)) {\n goto wrong_chunk;\n }\n if (slab == NGX_SLAB_PAGE_FREE) {\n ngx_slab_error(pool, NGX_LOG_ALERT,\n "ngx_slab_free(): page is already free");\n goto fail;\n }\n if (slab == NGX_SLAB_PAGE_BUSY) {\n ngx_slab_error(pool, NGX_LOG_ALERT,\n "ngx_slab_free(): pointer to wrong page");\n goto fail;\n }\n n = ((u_char *) p - pool->start) >> ngx_pagesize_shift;\n size = slab & ~NGX_SLAB_PAGE_START;\n ngx_slab_free_pages(pool, &pool->pages[n], size);\n ngx_slab_junk(p, size << ngx_pagesize_shift);\n return;\n }\n return;\ndone:\n ngx_slab_junk(p, size);\n return;\nwrong_chunk:\n ngx_slab_error(pool, NGX_LOG_ALERT,\n "ngx_slab_free(): pointer to wrong chunk");\n goto fail;\nchunk_already_free:\n ngx_slab_error(pool, NGX_LOG_ALERT,\n "ngx_slab_free(): chunk is already free");\nfail:\n return;\n}'] |
11,772 | 1 | https://github.com/openssl/openssl/blob/98c03302fb7b855647aa14022f61f5fb272e514a/crypto/srp/srp_lib.c/#L82 | BIGNUM *SRP_Calc_server_key(const BIGNUM *A, const BIGNUM *v, const BIGNUM *u,
const BIGNUM *b, const BIGNUM *N)
{
BIGNUM *tmp = NULL, *S = NULL;
BN_CTX *bn_ctx;
if (u == NULL || A == NULL || v == NULL || b == NULL || N == NULL)
return NULL;
if ((bn_ctx = BN_CTX_new()) == NULL || (tmp = BN_new()) == NULL)
goto err;
if (!BN_mod_exp(tmp, v, u, N, bn_ctx))
goto err;
if (!BN_mod_mul(tmp, A, tmp, N, bn_ctx))
goto err;
S = BN_new();
if (S != NULL && !BN_mod_exp(S, tmp, b, N, bn_ctx)) {
BN_free(S);
S = NULL;
}
err:
BN_CTX_free(bn_ctx);
BN_clear_free(tmp);
return S;
} | ['BIGNUM *SRP_Calc_server_key(const BIGNUM *A, const BIGNUM *v, const BIGNUM *u,\n const BIGNUM *b, const BIGNUM *N)\n{\n BIGNUM *tmp = NULL, *S = NULL;\n BN_CTX *bn_ctx;\n if (u == NULL || A == NULL || v == NULL || b == NULL || N == NULL)\n return NULL;\n if ((bn_ctx = BN_CTX_new()) == NULL || (tmp = BN_new()) == NULL)\n goto err;\n if (!BN_mod_exp(tmp, v, u, N, bn_ctx))\n goto err;\n if (!BN_mod_mul(tmp, A, tmp, N, bn_ctx))\n goto err;\n S = BN_new();\n if (S != NULL && !BN_mod_exp(S, tmp, b, N, bn_ctx)) {\n BN_free(S);\n S = NULL;\n }\n err:\n BN_CTX_free(bn_ctx);\n BN_clear_free(tmp);\n return S;\n}', 'void BN_CTX_free(BN_CTX *ctx)\n{\n#ifdef BN_CTX_DEBUG\n {\n BN_POOL_ITEM *pool = ctx->pool.head;\n fprintf(stderr, "BN_CTX_free, stack-size=%d, pool-bignums=%d\\n",\n ctx->stack.size, ctx->pool.size);\n fprintf(stderr, "dmaxs: ");\n while (pool) {\n unsigned loop = 0;\n while (loop < BN_CTX_POOL_SIZE)\n fprintf(stderr, "%02x ", pool->vals[loop++].dmax);\n pool = pool->next;\n }\n fprintf(stderr, "\\n");\n }\n#endif\n BN_STACK_finish(&ctx->stack);\n BN_POOL_finish(&ctx->pool);\n OPENSSL_free(ctx);\n}', 'static void BN_STACK_finish(BN_STACK *st)\n{\n OPENSSL_free(st->indexes);\n st->indexes = NULL;\n}', 'void CRYPTO_free(void *str, const char *file, int line)\n{\n INCREMENT(free_count);\n if (free_impl != NULL && free_impl != &CRYPTO_free) {\n free_impl(str, file, line);\n return;\n }\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_free(str, 0, file, line);\n free(str);\n CRYPTO_mem_debug_free(str, 1, file, line);\n } else {\n free(str);\n }\n#else\n free(str);\n#endif\n}', 'static void BN_POOL_finish(BN_POOL *p)\n{\n unsigned int loop;\n BIGNUM *bn;\n while (p->head) {\n for (loop = 0, bn = p->head->vals; loop++ < BN_CTX_POOL_SIZE; bn++)\n if (bn->d)\n BN_clear_free(bn);\n p->current = p->head->next;\n OPENSSL_free(p->head);\n p->head = p->current;\n }\n}'] |
11,773 | 0 | https://github.com/openssl/openssl/blob/8fa6a40be2935ca109a28cc43d28cd27051ada01/crypto/store/str_lib.c/#L1300 | static void STORE_ATTR_INFO_attr_free(STORE_ATTR_INFO *attrs,
STORE_ATTR_TYPES code)
{
if (ATTR_IS_SET(attrs,code))
{
switch(code)
{
case STORE_ATTR_FRIENDLYNAME:
case STORE_ATTR_EMAIL:
case STORE_ATTR_FILENAME:
STORE_ATTR_INFO_modify_cstr(attrs, code, NULL, 0);
break;
case STORE_ATTR_KEYID:
case STORE_ATTR_ISSUERKEYID:
case STORE_ATTR_SUBJECTKEYID:
case STORE_ATTR_ISSUERSERIALHASH:
case STORE_ATTR_CERTHASH:
STORE_ATTR_INFO_modify_sha1str(attrs, code, NULL, 0);
break;
case STORE_ATTR_ISSUER:
case STORE_ATTR_SUBJECT:
STORE_ATTR_INFO_modify_dn(attrs, code, NULL);
break;
case STORE_ATTR_SERIAL:
STORE_ATTR_INFO_modify_number(attrs, code, NULL);
break;
default:
break;
}
}
} | ['static void STORE_ATTR_INFO_attr_free(STORE_ATTR_INFO *attrs,\n\tSTORE_ATTR_TYPES code)\n\t{\n\tif (ATTR_IS_SET(attrs,code))\n\t\t{\n\t\tswitch(code)\n\t\t\t{\n\t\tcase STORE_ATTR_FRIENDLYNAME:\n\t\tcase STORE_ATTR_EMAIL:\n\t\tcase STORE_ATTR_FILENAME:\n\t\t\tSTORE_ATTR_INFO_modify_cstr(attrs, code, NULL, 0);\n\t\t\tbreak;\n\t\tcase STORE_ATTR_KEYID:\n\t\tcase STORE_ATTR_ISSUERKEYID:\n\t\tcase STORE_ATTR_SUBJECTKEYID:\n\t\tcase STORE_ATTR_ISSUERSERIALHASH:\n\t\tcase STORE_ATTR_CERTHASH:\n\t\t\tSTORE_ATTR_INFO_modify_sha1str(attrs, code, NULL, 0);\n\t\t\tbreak;\n\t\tcase STORE_ATTR_ISSUER:\n\t\tcase STORE_ATTR_SUBJECT:\n\t\t\tSTORE_ATTR_INFO_modify_dn(attrs, code, NULL);\n\t\t\tbreak;\n\t\tcase STORE_ATTR_SERIAL:\n\t\t\tSTORE_ATTR_INFO_modify_number(attrs, code, NULL);\n\t\t\tbreak;\n\t\tdefault:\n\t\t\tbreak;\n\t\t\t}\n\t\t}\n\t}', 'int STORE_ATTR_INFO_modify_sha1str(STORE_ATTR_INFO *attrs, STORE_ATTR_TYPES code,\n\tunsigned char *sha1str, size_t sha1str_size)\n\t{\n\tif (!attrs)\n\t\t{\n\t\tSTOREerr(STORE_F_STORE_ATTR_INFO_MODIFY_SHA1STR,\n\t\t\tERR_R_PASSED_NULL_PARAMETER);\n\t\treturn 0;\n\t\t}\n\tif (ATTR_IS_SET(attrs,code))\n\t\t{\n\t\tOPENSSL_free(attrs->values[code].sha1string);\n\t\tattrs->values[code].sha1string = NULL;\n\t\tCLEAR_ATTRBIT(attrs, code);\n\t\t}\n\treturn STORE_ATTR_INFO_set_sha1str(attrs, code, sha1str, sha1str_size);\n\t}', 'int STORE_ATTR_INFO_set_sha1str(STORE_ATTR_INFO *attrs, STORE_ATTR_TYPES code,\n\tunsigned char *sha1str, size_t sha1str_size)\n\t{\n\tif (!attrs)\n\t\t{\n\t\tSTOREerr(STORE_F_STORE_ATTR_INFO_SET_SHA1STR,\n\t\t\tERR_R_PASSED_NULL_PARAMETER);\n\t\treturn 0;\n\t\t}\n\tif (!ATTR_IS_SET(attrs,code))\n\t\t{\n\t\tif ((attrs->values[code].sha1string =\n\t\t\t (unsigned char *)BUF_memdup(sha1str,\n\t\t\t\t sha1str_size)))\n\t\t\treturn 1;\n\t\tSTOREerr(STORE_F_STORE_ATTR_INFO_SET_SHA1STR,\n\t\t\tERR_R_MALLOC_FAILURE);\n\t\treturn 0;\n\t\t}\n\tSTOREerr(STORE_F_STORE_ATTR_INFO_SET_SHA1STR, STORE_R_ALREADY_HAS_A_VALUE);\n\treturn 0;\n\t}', 'void *BUF_memdup(const void *data, size_t siz)\n\t{\n\tvoid *ret;\n\tif (data == NULL) return(NULL);\n\tret=OPENSSL_malloc(siz);\n\tif (ret == NULL)\n\t\t{\n\t\tBUFerr(BUF_F_BUF_MEMDUP,ERR_R_MALLOC_FAILURE);\n\t\treturn(NULL);\n\t\t}\n\treturn memcpy(ret, data, siz);\n\t}', 'void *CRYPTO_malloc(int num, const char *file, int line)\n\t{\n\tvoid *ret = NULL;\n\textern unsigned char cleanse_ctr;\n\tif (num <= 0) return NULL;\n\tallow_customize = 0;\n\tif (malloc_debug_func != NULL)\n\t\t{\n\t\tallow_customize_debug = 0;\n\t\tmalloc_debug_func(NULL, num, file, line, 0);\n\t\t}\n\tret = malloc_ex_func(num,file,line);\n#ifdef LEVITTE_DEBUG_MEM\n\tfprintf(stderr, "LEVITTE_DEBUG_MEM: > 0x%p (%d)\\n", ret, num);\n#endif\n\tif (malloc_debug_func != NULL)\n\t\tmalloc_debug_func(ret, num, file, line, 1);\n if(ret && (num > 2048))\n ((unsigned char *)ret)[0] = cleanse_ctr;\n\treturn ret;\n\t}', 'void ERR_put_error(int lib, int func, int reason, const char *file,\n\t int line)\n\t{\n\tERR_STATE *es;\n#ifdef _OSD_POSIX\n\tif (strncmp(file,"*POSIX(", sizeof("*POSIX(")-1) == 0) {\n\t\tchar *end;\n\t\tfile += sizeof("*POSIX(")-1;\n\t\tend = &file[strlen(file)-1];\n\t\tif (*end == \')\')\n\t\t\t*end = \'\\0\';\n\t\tif ((end = strrchr(file, \'/\')) != NULL)\n\t\t\tfile = &end[1];\n\t}\n#endif\n\tes=ERR_get_state();\n\tes->top=(es->top+1)%ERR_NUM_ERRORS;\n\tif (es->top == es->bottom)\n\t\tes->bottom=(es->bottom+1)%ERR_NUM_ERRORS;\n\tes->err_flags[es->top]=0;\n\tes->err_buffer[es->top]=ERR_PACK(lib,func,reason);\n\tes->err_file[es->top]=file;\n\tes->err_line[es->top]=line;\n\terr_clear_data(es,es->top);\n\t}', 'void CRYPTO_free(void *str)\n\t{\n\tif (free_debug_func != NULL)\n\t\tfree_debug_func(str, 0);\n#ifdef LEVITTE_DEBUG_MEM\n\tfprintf(stderr, "LEVITTE_DEBUG_MEM: < 0x%p\\n", str);\n#endif\n\tfree_func(str);\n\tif (free_debug_func != NULL)\n\t\tfree_debug_func(NULL, 1);\n\t}'] |
11,774 | 0 | https://github.com/openssl/openssl/blob/54d00677f305375eee65a0c9edb5f0980c5f020f/crypto/bn/bn_lib.c/#L365 | int BN_set_word(BIGNUM *a, BN_ULONG w)
{
bn_check_top(a);
if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)
return 0;
a->neg = 0;
a->d[0] = w;
a->top = (w ? 1 : 0);
a->flags &= ~BN_FLG_FIXED_TOP;
bn_check_top(a);
return 1;
} | ['int BN_X931_generate_Xpq(BIGNUM *Xp, BIGNUM *Xq, int nbits, BN_CTX *ctx)\n{\n BIGNUM *t;\n int i;\n if ((nbits < 1024) || (nbits & 0xff))\n return 0;\n nbits >>= 1;\n if (!BN_priv_rand(Xp, nbits, BN_RAND_TOP_TWO, BN_RAND_BOTTOM_ANY))\n goto err;\n BN_CTX_start(ctx);\n t = BN_CTX_get(ctx);\n if (t == NULL)\n goto err;\n for (i = 0; i < 1000; i++) {\n if (!BN_priv_rand(Xq, nbits, BN_RAND_TOP_TWO, BN_RAND_BOTTOM_ANY))\n goto err;\n if (!BN_sub(t, Xp, Xq))\n goto err;\n if (BN_num_bits(t) > (nbits - 100))\n break;\n }\n BN_CTX_end(ctx);\n if (i < 1000)\n return 1;\n return 0;\n err:\n BN_CTX_end(ctx);\n return 0;\n}', 'BIGNUM *BN_CTX_get(BN_CTX *ctx)\n{\n BIGNUM *ret;\n CTXDBG_ENTRY("BN_CTX_get", ctx);\n if (ctx->err_stack || ctx->too_many)\n return NULL;\n if ((ret = BN_POOL_get(&ctx->pool, ctx->flags)) == NULL) {\n ctx->too_many = 1;\n BNerr(BN_F_BN_CTX_GET, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n return NULL;\n }\n BN_zero(ret);\n ret->flags &= (~BN_FLG_CONSTTIME);\n ctx->used++;\n CTXDBG_RET(ctx, ret);\n return ret;\n}', 'int BN_set_word(BIGNUM *a, BN_ULONG w)\n{\n bn_check_top(a);\n if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)\n return 0;\n a->neg = 0;\n a->d[0] = w;\n a->top = (w ? 1 : 0);\n a->flags &= ~BN_FLG_FIXED_TOP;\n bn_check_top(a);\n return 1;\n}', 'static ossl_inline BIGNUM *bn_expand(BIGNUM *a, int bits)\n{\n if (bits > (INT_MAX - BN_BITS2 + 1))\n return NULL;\n if (((bits+BN_BITS2-1)/BN_BITS2) <= (a)->dmax)\n return a;\n return bn_expand2((a),(bits+BN_BITS2-1)/BN_BITS2);\n}', 'int BN_sub(BIGNUM *r, const BIGNUM *a, const BIGNUM *b)\n{\n int ret, r_neg, cmp_res;\n bn_check_top(a);\n bn_check_top(b);\n if (a->neg != b->neg) {\n r_neg = a->neg;\n ret = BN_uadd(r, a, b);\n } else {\n cmp_res = BN_ucmp(a, b);\n if (cmp_res > 0) {\n r_neg = a->neg;\n ret = BN_usub(r, a, b);\n } else if (cmp_res < 0) {\n r_neg = !b->neg;\n ret = BN_usub(r, b, a);\n } else {\n r_neg = 0;\n BN_zero(r);\n ret = 1;\n }\n }\n r->neg = r_neg;\n bn_check_top(r);\n return ret;\n}'] |
11,775 | 0 | https://github.com/libav/libav/blob/71a1d1116fd952f348d732c19ba7f4ebe041ce26/libavformat/wav.c/#L340 | static int wav_parse_bext_tag(AVFormatContext *s, int64_t size)
{
char temp[131], *coding_history;
int ret, x;
uint64_t time_reference;
int64_t umid_parts[8], umid_mask = 0;
if ((ret = wav_parse_bext_string(s, "description", 256)) < 0 ||
(ret = wav_parse_bext_string(s, "originator", 32)) < 0 ||
(ret = wav_parse_bext_string(s, "originator_reference", 32)) < 0 ||
(ret = wav_parse_bext_string(s, "origination_date", 10)) < 0 ||
(ret = wav_parse_bext_string(s, "origination_time", 8)) < 0)
return ret;
time_reference = avio_rl64(s->pb);
snprintf(temp, sizeof(temp), "%"PRIu64, time_reference);
if ((ret = av_dict_set(&s->metadata, "time_reference", temp, 0)) < 0)
return ret;
if (avio_rl16(s->pb) >= 1) {
for (x = 0; x < 8; x++)
umid_mask |= umid_parts[x] = avio_rb64(s->pb);
if (umid_mask) {
if (umid_parts[4] == 0 && umid_parts[5] == 0 && umid_parts[6] == 0 && umid_parts[7] == 0) {
snprintf(temp, sizeof(temp), "0x%016"PRIX64"%016"PRIX64"%016"PRIX64"%016"PRIX64,
umid_parts[0], umid_parts[1], umid_parts[2], umid_parts[3]);
} else {
snprintf(temp, sizeof(temp), "0x%016"PRIX64"%016"PRIX64"%016"PRIX64"%016"PRIX64
"0x%016"PRIX64"%016"PRIX64"%016"PRIX64"%016"PRIX64,
umid_parts[0], umid_parts[1], umid_parts[2], umid_parts[3],
umid_parts[4], umid_parts[5], umid_parts[6], umid_parts[7]);
}
if ((ret = av_dict_set(&s->metadata, "umid", temp, 0)) < 0)
return ret;
}
avio_skip(s->pb, 190);
} else
avio_skip(s->pb, 254);
if (size > 602) {
size -= 602;
if (!(coding_history = av_malloc(size+1)))
return AVERROR(ENOMEM);
if ((ret = avio_read(s->pb, coding_history, size)) < 0)
return ret;
coding_history[size] = 0;
if ((ret = av_dict_set(&s->metadata, "coding_history", coding_history,
AV_METADATA_DONT_STRDUP_VAL)) < 0)
return ret;
}
return 0;
} | ['static int wav_parse_bext_tag(AVFormatContext *s, int64_t size)\n{\n char temp[131], *coding_history;\n int ret, x;\n uint64_t time_reference;\n int64_t umid_parts[8], umid_mask = 0;\n if ((ret = wav_parse_bext_string(s, "description", 256)) < 0 ||\n (ret = wav_parse_bext_string(s, "originator", 32)) < 0 ||\n (ret = wav_parse_bext_string(s, "originator_reference", 32)) < 0 ||\n (ret = wav_parse_bext_string(s, "origination_date", 10)) < 0 ||\n (ret = wav_parse_bext_string(s, "origination_time", 8)) < 0)\n return ret;\n time_reference = avio_rl64(s->pb);\n snprintf(temp, sizeof(temp), "%"PRIu64, time_reference);\n if ((ret = av_dict_set(&s->metadata, "time_reference", temp, 0)) < 0)\n return ret;\n if (avio_rl16(s->pb) >= 1) {\n for (x = 0; x < 8; x++)\n umid_mask |= umid_parts[x] = avio_rb64(s->pb);\n if (umid_mask) {\n if (umid_parts[4] == 0 && umid_parts[5] == 0 && umid_parts[6] == 0 && umid_parts[7] == 0) {\n snprintf(temp, sizeof(temp), "0x%016"PRIX64"%016"PRIX64"%016"PRIX64"%016"PRIX64,\n umid_parts[0], umid_parts[1], umid_parts[2], umid_parts[3]);\n } else {\n snprintf(temp, sizeof(temp), "0x%016"PRIX64"%016"PRIX64"%016"PRIX64"%016"PRIX64\n "0x%016"PRIX64"%016"PRIX64"%016"PRIX64"%016"PRIX64,\n umid_parts[0], umid_parts[1], umid_parts[2], umid_parts[3],\n umid_parts[4], umid_parts[5], umid_parts[6], umid_parts[7]);\n }\n if ((ret = av_dict_set(&s->metadata, "umid", temp, 0)) < 0)\n return ret;\n }\n avio_skip(s->pb, 190);\n } else\n avio_skip(s->pb, 254);\n if (size > 602) {\n size -= 602;\n if (!(coding_history = av_malloc(size+1)))\n return AVERROR(ENOMEM);\n if ((ret = avio_read(s->pb, coding_history, size)) < 0)\n return ret;\n coding_history[size] = 0;\n if ((ret = av_dict_set(&s->metadata, "coding_history", coding_history,\n AV_METADATA_DONT_STRDUP_VAL)) < 0)\n return ret;\n }\n return 0;\n}'] |
11,776 | 0 | https://github.com/openssl/openssl/blob/3aecef76973dbea037ec4e1ceba7ec1bd3fb683a/crypto/bn/bn_lib.c/#L453 | BIGNUM *bn_expand2(BIGNUM *b, int words)
{
BN_ULONG *A;
int i;
if (words > b->dmax)
{
BN_ULONG *a = bn_expand_internal(b, words);
if (a)
{
if (b->d)
OPENSSL_free(b->d);
b->d=a;
b->dmax=words;
}
else
b = NULL;
}
A = &(b->d[b->top]);
for (i=(words - b->top)>>3; i>0; i--,A+=8)
{
A[0]=0; A[1]=0; A[2]=0; A[3]=0;
A[4]=0; A[5]=0; A[6]=0; A[7]=0;
}
for (i=(words - b->top)&7; i>0; i--,A++)
A[0]=0;
return b;
} | ['BIGNUM *bn_expand2(BIGNUM *b, int words)\n\t{\n\tBN_ULONG *A;\n\tint i;\n\tif (words > b->dmax)\n\t\t{\n\t\tBN_ULONG *a = bn_expand_internal(b, words);\n\t\tif (a)\n\t\t\t{\n\t\t\tif (b->d)\n\t\t\t\tOPENSSL_free(b->d);\n\t\t\tb->d=a;\n\t\t\tb->dmax=words;\n\t\t\t}\n\t\telse\n\t\t\tb = NULL;\n\t\t}\n\tA = &(b->d[b->top]);\n\tfor (i=(words - b->top)>>3; i>0; i--,A+=8)\n\t\t{\n\t\tA[0]=0; A[1]=0; A[2]=0; A[3]=0;\n\t\tA[4]=0; A[5]=0; A[6]=0; A[7]=0;\n\t\t}\n\tfor (i=(words - b->top)&7; i>0; i--,A++)\n\t\tA[0]=0;\n\treturn b;\n\t}'] |
11,777 | 0 | https://github.com/openssl/openssl/blob/224905f8aaeac7fd81a49dc160a843c5fff60e6e/ssl/ssl_lib.c/#L3634 | EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash, const EVP_MD *md)
{
ssl_clear_hash_ctx(hash);
*hash = EVP_MD_CTX_new();
if (*hash == NULL || (md && EVP_DigestInit_ex(*hash, md, NULL) <= 0)) {
EVP_MD_CTX_free(*hash);
*hash = NULL;
return NULL;
}
return *hash;
} | ['EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash, const EVP_MD *md)\n{\n ssl_clear_hash_ctx(hash);\n *hash = EVP_MD_CTX_new();\n if (*hash == NULL || (md && EVP_DigestInit_ex(*hash, md, NULL) <= 0)) {\n EVP_MD_CTX_free(*hash);\n *hash = NULL;\n return NULL;\n }\n return *hash;\n}', 'void ssl_clear_hash_ctx(EVP_MD_CTX **hash)\n{\n if (*hash)\n EVP_MD_CTX_free(*hash);\n *hash = NULL;\n}', 'void EVP_MD_CTX_free(EVP_MD_CTX *ctx)\n{\n EVP_MD_CTX_reset(ctx);\n OPENSSL_free(ctx);\n}', 'void CRYPTO_free(void *str, const char *file, int line)\n{\n if (free_impl != NULL && free_impl != &CRYPTO_free) {\n free_impl(str, file, line);\n return;\n }\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_free(str, 0, file, line);\n free(str);\n CRYPTO_mem_debug_free(str, 1, file, line);\n } else {\n free(str);\n }\n#else\n free(str);\n#endif\n}', 'EVP_MD_CTX *EVP_MD_CTX_new(void)\n{\n return OPENSSL_zalloc(sizeof(EVP_MD_CTX));\n}', 'void *CRYPTO_zalloc(size_t num, const char *file, int line)\n{\n void *ret = CRYPTO_malloc(num, file, line);\n if (ret != NULL)\n memset(ret, 0, num);\n return ret;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)\n return malloc_impl(num, file, line);\n if (num <= 0)\n return NULL;\n allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n osslargused(file); osslargused(line);\n ret = malloc(num);\n#endif\n return ret;\n}'] |
11,778 | 0 | https://github.com/openssl/openssl/blob/183733f882056ea3e6fe95e665b85fcc6a45dcb4/crypto/asn1/evp_asn1.c/#L70 | int ASN1_TYPE_set_octetstring(ASN1_TYPE *a, unsigned char *data, int len)
{
ASN1_STRING *os;
if ((os = ASN1_OCTET_STRING_new()) == NULL)
return (0);
if (!ASN1_OCTET_STRING_set(os, data, len)) {
ASN1_OCTET_STRING_free(os);
return 0;
}
ASN1_TYPE_set(a, V_ASN1_OCTET_STRING, os);
return (1);
} | ['int ASN1_TYPE_set_octetstring(ASN1_TYPE *a, unsigned char *data, int len)\n{\n ASN1_STRING *os;\n if ((os = ASN1_OCTET_STRING_new()) == NULL)\n return (0);\n if (!ASN1_OCTET_STRING_set(os, data, len)) {\n ASN1_OCTET_STRING_free(os);\n return 0;\n }\n ASN1_TYPE_set(a, V_ASN1_OCTET_STRING, os);\n return (1);\n}', 'IMPLEMENT_ASN1_STRING_FUNCTIONS(ASN1_OCTET_STRING)', 'ASN1_STRING *ASN1_STRING_type_new(int type)\n{\n ASN1_STRING *ret;\n ret = OPENSSL_zalloc(sizeof(*ret));\n if (ret == NULL) {\n ASN1err(ASN1_F_ASN1_STRING_TYPE_NEW, ERR_R_MALLOC_FAILURE);\n return (NULL);\n }\n ret->type = type;\n return (ret);\n}', 'void *CRYPTO_zalloc(size_t num, const char *file, int line)\n{\n void *ret = CRYPTO_malloc(num, file, line);\n if (ret != NULL)\n memset(ret, 0, num);\n return ret;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n void *ret = NULL;\n if (num <= 0)\n return NULL;\n allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n ret = malloc(num);\n CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n } else {\n ret = malloc(num);\n }\n#else\n (void)file;\n (void)line;\n ret = malloc(num);\n#endif\n#ifndef OPENSSL_CPUID_OBJ\n if (ret && (num > 2048)) {\n extern unsigned char cleanse_ctr;\n ((unsigned char *)ret)[0] = cleanse_ctr;\n }\n#endif\n return ret;\n}', 'int ASN1_OCTET_STRING_set(ASN1_OCTET_STRING *x, const unsigned char *d,\n int len)\n{\n return ASN1_STRING_set(x, d, len);\n}', "int ASN1_STRING_set(ASN1_STRING *str, const void *_data, int len)\n{\n unsigned char *c;\n const char *data = _data;\n if (len < 0) {\n if (data == NULL)\n return (0);\n else\n len = strlen(data);\n }\n if ((str->length < len) || (str->data == NULL)) {\n c = str->data;\n str->data = OPENSSL_realloc(c, len + 1);\n if (str->data == NULL) {\n ASN1err(ASN1_F_ASN1_STRING_SET, ERR_R_MALLOC_FAILURE);\n str->data = c;\n return (0);\n }\n }\n str->length = len;\n if (data != NULL) {\n memcpy(str->data, data, len);\n str->data[len] = '\\0';\n }\n return (1);\n}", 'void *CRYPTO_realloc(void *str, size_t num, const char *file, int line)\n{\n if (str == NULL)\n return CRYPTO_malloc(num, file, line);\n if (num == 0) {\n CRYPTO_free(str);\n return NULL;\n }\n allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n if (call_malloc_debug) {\n void *ret;\n CRYPTO_mem_debug_realloc(str, NULL, num, 0, file, line);\n ret = realloc(str, num);\n CRYPTO_mem_debug_realloc(str, ret, num, 1, file, line);\n return ret;\n }\n#else\n (void)file;\n (void)line;\n#endif\n return realloc(str, num);\n}', 'void ASN1_STRING_free(ASN1_STRING *a)\n{\n if (a == NULL)\n return;\n if (!(a->flags & ASN1_STRING_FLAG_NDEF))\n OPENSSL_free(a->data);\n if (!(a->flags & ASN1_STRING_FLAG_EMBED))\n OPENSSL_free(a);\n}'] |
11,779 | 0 | https://github.com/openssl/openssl/blob/d40a1b865fddc3d67f8c06ff1f1466fad331c8f7/crypto/bn/bn_lib.c/#L250 | int BN_num_bits(const BIGNUM *a)
{
int i = a->top - 1;
bn_check_top(a);
if (BN_is_zero(a)) return 0;
return ((i*BN_BITS2) + BN_num_bits_word(a->d[i]));
} | ['static int ubsec_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,\n\t\tconst BIGNUM *m, BN_CTX *ctx)\n\t{\n\tint \ty_len = 0;\n\tint \tfd;\n\tif(ubsec_dso == NULL)\n\t{\n\t\tUBSECerr(UBSEC_F_UBSEC_MOD_EXP, UBSEC_R_NOT_LOADED);\n\t\treturn 0;\n\t}\n\ty_len = BN_num_bits(m);\n\tif (y_len > max_key_len) {\n\t\tUBSECerr(UBSEC_F_UBSEC_MOD_EXP, UBSEC_R_SIZE_TOO_LARGE_OR_TOO_SMALL);\n return BN_mod_exp(r, a, p, m, ctx);\n\t}\n\tif(!bn_wexpand(r, m->top))\n\t{\n\t\tUBSECerr(UBSEC_F_UBSEC_MOD_EXP, UBSEC_R_BN_EXPAND_FAIL);\n\t\treturn 0;\n\t}\n\tif ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0) {\n\t\tfd = 0;\n\t\tUBSECerr(UBSEC_F_UBSEC_MOD_EXP, UBSEC_R_UNIT_FAILURE);\n return BN_mod_exp(r, a, p, m, ctx);\n\t}\n\tif (p_UBSEC_rsa_mod_exp_ioctl(fd, (unsigned char *)a->d, BN_num_bits(a),\n\t\t(unsigned char *)m->d, BN_num_bits(m), (unsigned char *)p->d,\n\t\tBN_num_bits(p), (unsigned char *)r->d, &y_len) != 0)\n\t{\n\t\tUBSECerr(UBSEC_F_UBSEC_MOD_EXP, UBSEC_R_REQUEST_FAILED);\n p_UBSEC_ubsec_close(fd);\n return BN_mod_exp(r, a, p, m, ctx);\n\t}\n\tp_UBSEC_ubsec_close(fd);\n\tr->top = (BN_num_bits(m)+BN_BITS2-1)/BN_BITS2;\n\treturn 1;\n\t}', 'int BN_num_bits(const BIGNUM *a)\n\t{\n\tint i = a->top - 1;\n\tbn_check_top(a);\n\tif (BN_is_zero(a)) return 0;\n\treturn ((i*BN_BITS2) + BN_num_bits_word(a->d[i]));\n\t}'] |
11,780 | 0 | https://github.com/openssl/openssl/blob/11af1a2758baefab1157755c508d7b7490155bab/crypto/sha/sha1dgst.c/#L270 | void SHA1_Update(SHA_CTX *c, register const unsigned char *data,
unsigned long len)
{
register SHA_LONG *p;
int ew,ec,sw,sc;
SHA_LONG l;
if (len == 0) return;
l=(c->Nl+(len<<3))&0xffffffffL;
if (l < c->Nl)
c->Nh++;
c->Nh+=(len>>29);
c->Nl=l;
if (c->num != 0)
{
p=c->data;
sw=c->num>>2;
sc=c->num&0x03;
if ((c->num+len) >= SHA_CBLOCK)
{
l= p[sw];
M_p_c2nl(data,l,sc);
p[sw++]=l;
for (; sw<SHA_LBLOCK; sw++)
{
M_c2nl(data,l);
p[sw]=l;
}
len-=(SHA_CBLOCK-c->num);
sha1_block(c,p,1);
c->num=0;
}
else
{
c->num+=(int)len;
if ((sc+len) < 4)
{
l= p[sw];
M_p_c2nl_p(data,l,sc,len);
p[sw]=l;
}
else
{
ew=(c->num>>2);
ec=(c->num&0x03);
l= p[sw];
M_p_c2nl(data,l,sc);
p[sw++]=l;
for (; sw < ew; sw++)
{ M_c2nl(data,l); p[sw]=l; }
if (ec)
{
M_c2nl_p(data,l,ec);
p[sw]=l;
}
}
return;
}
}
#if SHA_LONG_LOG2==2
#if defined(B_ENDIAN) || defined(SHA1_ASM)
if ((((unsigned long)data)%sizeof(SHA_LONG)) == 0)
{
sw=len/SHA_CBLOCK;
if (sw)
{
sha1_block(c,(SHA_LONG *)data,sw);
sw*=SHA_CBLOCK;
data+=sw;
len-=sw;
}
}
#endif
#endif
p=c->data;
while (len >= SHA_CBLOCK)
{
#if SHA_LONG_LOG2==2
#if defined(B_ENDIAN) || defined(SHA1_ASM)
#define SHA_NO_TAIL_CODE
if (p != (SHA_LONG *)data)
memcpy(p,data,SHA_CBLOCK);
data+=SHA_CBLOCK;
sha1_block(c,p=c->data,1);
len-=SHA_CBLOCK;
#elif defined(L_ENDIAN)
#define BE_COPY(dst,src,i) { \
l = ((SHA_LONG *)src)[i]; \
Endian_Reverse32(l); \
dst[i] = l; \
}
if ((((unsigned long)data)%sizeof(SHA_LONG)) == 0)
{
for (sw=(SHA_LBLOCK/4); sw; sw--)
{
BE_COPY(p,data,0);
BE_COPY(p,data,1);
BE_COPY(p,data,2);
BE_COPY(p,data,3);
p+=4;
data += 4*sizeof(SHA_LONG);
}
sha1_block(c,p=c->data,1);
len-=SHA_CBLOCK;
continue;
}
#endif
#endif
#ifndef SHA_NO_TAIL_CODE
p=c->data;
for (sw=(SHA_LBLOCK/4); sw; sw--)
{
M_c2nl(data,l); p[0]=l;
M_c2nl(data,l); p[1]=l;
M_c2nl(data,l); p[2]=l;
M_c2nl(data,l); p[3]=l;
p+=4;
}
p=c->data;
sha1_block(c,p,1);
len-=SHA_CBLOCK;
#endif
}
ec=(int)len;
c->num=ec;
ew=(ec>>2);
ec&=0x03;
for (sw=0; sw < ew; sw++)
{ M_c2nl(data,l); p[sw]=l; }
M_c2nl_p(data,l,ec);
p[sw]=l;
} | ['int MAIN(int argc, char **argv)\n\t{\n\tunsigned char *buf=NULL,*buf2=NULL;\n\tdes_cblock *buf_as_des_cblock = NULL;\n\tint ret=1;\n#define ALGOR_NUM\t14\n#define SIZE_NUM\t5\n#define RSA_NUM\t\t4\n#define DSA_NUM\t\t3\n\tlong count,rsa_count;\n\tint i,j,k,rsa_num,rsa_num2;\n#ifndef NO_MD2\n\tunsigned char md2[MD2_DIGEST_LENGTH];\n#endif\n#ifndef NO_MDC2\n\tunsigned char mdc2[MDC2_DIGEST_LENGTH];\n#endif\n#ifndef NO_MD5\n\tunsigned char md5[MD5_DIGEST_LENGTH];\n\tunsigned char hmac[MD5_DIGEST_LENGTH];\n#endif\n#ifndef NO_SHA\n\tunsigned char sha[SHA_DIGEST_LENGTH];\n#endif\n#ifndef NO_RIPEMD\n\tunsigned char rmd160[RIPEMD160_DIGEST_LENGTH];\n#endif\n#ifndef NO_RC4\n\tRC4_KEY rc4_ks;\n#endif\n#ifndef NO_RC5\n\tRC5_32_KEY rc5_ks;\n#endif\n#ifndef NO_RC2\n\tRC2_KEY rc2_ks;\n#endif\n#ifndef NO_IDEA\n\tIDEA_KEY_SCHEDULE idea_ks;\n#endif\n#ifndef NO_BF\n\tBF_KEY bf_ks;\n#endif\n#ifndef NO_CAST\n\tCAST_KEY cast_ks;\n#endif\n\tstatic unsigned char key16[16]=\n\t\t{0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,\n\t\t 0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,0x12};\n\tunsigned char iv[8];\n#ifndef NO_DES\n\tstatic des_cblock key ={0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0};\n\tstatic des_cblock key2={0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,0x12};\n\tstatic des_cblock key3={0x56,0x78,0x9a,0xbc,0xde,0xf0,0x12,0x34};\n\tdes_key_schedule sch,sch2,sch3;\n#endif\n#define\tD_MD2\t\t0\n#define\tD_MDC2\t\t1\n#define\tD_MD5\t\t2\n#define\tD_HMAC\t\t3\n#define\tD_SHA1\t\t4\n#define D_RMD160\t5\n#define\tD_RC4\t\t6\n#define\tD_CBC_DES\t7\n#define\tD_EDE3_DES\t8\n#define\tD_CBC_IDEA\t9\n#define\tD_CBC_RC2\t10\n#define\tD_CBC_RC5\t11\n#define\tD_CBC_BF\t12\n#define\tD_CBC_CAST\t13\n\tdouble d,results[ALGOR_NUM][SIZE_NUM];\n\tstatic int lengths[SIZE_NUM]={8,64,256,1024,8*1024};\n\tlong c[ALGOR_NUM][SIZE_NUM];\n\tstatic char *names[ALGOR_NUM]={\n\t\t"md2","mdc2","md5","hmac(md5)","sha1","rmd160","rc4",\n\t\t"des cbc","des ede3","idea cbc",\n\t\t"rc2 cbc","rc5-32/12 cbc","blowfish cbc","cast cbc"};\n#define\tR_DSA_512\t0\n#define\tR_DSA_1024\t1\n#define\tR_DSA_2048\t2\n#define\tR_RSA_512\t0\n#define\tR_RSA_1024\t1\n#define\tR_RSA_2048\t2\n#define\tR_RSA_4096\t3\n#ifndef NO_RSA\n\tRSA *rsa_key[RSA_NUM];\n\tlong rsa_c[RSA_NUM][2];\n\tdouble rsa_results[RSA_NUM][2];\n\tstatic unsigned int rsa_bits[RSA_NUM]={512,1024,2048,4096};\n\tstatic unsigned char *rsa_data[RSA_NUM]=\n\t\t{test512,test1024,test2048,test4096};\n\tstatic int rsa_data_length[RSA_NUM]={\n\t\tsizeof(test512),sizeof(test1024),\n\t\tsizeof(test2048),sizeof(test4096)};\n#endif\n#ifndef NO_DSA\n\tDSA *dsa_key[DSA_NUM];\n\tlong dsa_c[DSA_NUM][2];\n\tdouble dsa_results[DSA_NUM][2];\n\tstatic unsigned int dsa_bits[DSA_NUM]={512,1024,2048};\n#endif\n\tint rsa_doit[RSA_NUM];\n\tint dsa_doit[DSA_NUM];\n\tint doit[ALGOR_NUM];\n\tint pr_header=0;\n\tapps_startup();\n#ifndef NO_DSA\n\tmemset(dsa_key,0,sizeof(dsa_key));\n#endif\n\tif (bio_err == NULL)\n\t\tif ((bio_err=BIO_new(BIO_s_file())) != NULL)\n\t\t\tBIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);\n#ifndef NO_RSA\n\tmemset(rsa_key,0,sizeof(rsa_key));\n\tfor (i=0; i<RSA_NUM; i++)\n\t\trsa_key[i]=NULL;\n#endif\n\tif ((buf=(unsigned char *)Malloc((int)BUFSIZE)) == NULL)\n\t\t{\n\t\tBIO_printf(bio_err,"out of memory\\n");\n\t\tgoto end;\n\t\t}\n\tbuf_as_des_cblock = (des_cblock *)buf;\n\tif ((buf2=(unsigned char *)Malloc((int)BUFSIZE)) == NULL)\n\t\t{\n\t\tBIO_printf(bio_err,"out of memory\\n");\n\t\tgoto end;\n\t\t}\n\tmemset(c,0,sizeof(c));\n\tmemset(iv,0,sizeof(iv));\n\tfor (i=0; i<ALGOR_NUM; i++)\n\t\tdoit[i]=0;\n\tfor (i=0; i<RSA_NUM; i++)\n\t\trsa_doit[i]=0;\n\tfor (i=0; i<DSA_NUM; i++)\n\t\tdsa_doit[i]=0;\n\tj=0;\n\targc--;\n\targv++;\n\twhile (argc)\n\t\t{\n#ifndef NO_MD2\n\t\tif\t(strcmp(*argv,"md2") == 0) doit[D_MD2]=1;\n\t\telse\n#endif\n#ifndef NO_MDC2\n\t\t\tif (strcmp(*argv,"mdc2") == 0) doit[D_MDC2]=1;\n\t\telse\n#endif\n#ifndef NO_MD5\n\t\t\tif (strcmp(*argv,"md5") == 0) doit[D_MD5]=1;\n\t\telse\n#endif\n#ifndef NO_MD5\n\t\t\tif (strcmp(*argv,"hmac") == 0) doit[D_HMAC]=1;\n\t\telse\n#endif\n#ifndef NO_SHA\n\t\t\tif (strcmp(*argv,"sha1") == 0) doit[D_SHA1]=1;\n\t\telse\n\t\t\tif (strcmp(*argv,"sha") == 0) doit[D_SHA1]=1;\n\t\telse\n#endif\n#ifndef NO_RIPEMD\n\t\t\tif (strcmp(*argv,"ripemd") == 0) doit[D_RMD160]=1;\n\t\telse\n\t\t\tif (strcmp(*argv,"rmd160") == 0) doit[D_RMD160]=1;\n\t\telse\n\t\t\tif (strcmp(*argv,"ripemd160") == 0) doit[D_RMD160]=1;\n\t\telse\n#endif\n#ifndef NO_RC4\n\t\t\tif (strcmp(*argv,"rc4") == 0) doit[D_RC4]=1;\n\t\telse\n#endif\n#ifndef NO_DEF\n\t\t\tif (strcmp(*argv,"des-cbc") == 0) doit[D_CBC_DES]=1;\n\t\telse\tif (strcmp(*argv,"des-ede3") == 0) doit[D_EDE3_DES]=1;\n\t\telse\n#endif\n#ifndef NO_RSA\n#ifdef RSAref\n\t\t\tif (strcmp(*argv,"rsaref") == 0)\n\t\t\t{\n\t\t\tRSA_set_default_method(RSA_PKCS1_RSAref());\n\t\t\tj--;\n\t\t\t}\n\t\telse\n#endif\n\t\t\tif (strcmp(*argv,"openssl") == 0)\n\t\t\t{\n\t\t\tRSA_set_default_method(RSA_PKCS1_SSLeay());\n\t\t\tj--;\n\t\t\t}\n\t\telse\n#endif\n\t\t if (strcmp(*argv,"dsa512") == 0) dsa_doit[R_DSA_512]=2;\n\t\telse if (strcmp(*argv,"dsa1024") == 0) dsa_doit[R_DSA_1024]=2;\n\t\telse if (strcmp(*argv,"dsa2048") == 0) dsa_doit[R_DSA_2048]=2;\n\t\telse if (strcmp(*argv,"rsa512") == 0) rsa_doit[R_RSA_512]=2;\n\t\telse if (strcmp(*argv,"rsa1024") == 0) rsa_doit[R_RSA_1024]=2;\n\t\telse if (strcmp(*argv,"rsa2048") == 0) rsa_doit[R_RSA_2048]=2;\n\t\telse if (strcmp(*argv,"rsa4096") == 0) rsa_doit[R_RSA_4096]=2;\n\t\telse\n#ifndef NO_RC2\n\t\t if (strcmp(*argv,"rc2-cbc") == 0) doit[D_CBC_RC2]=1;\n\t\telse if (strcmp(*argv,"rc2") == 0) doit[D_CBC_RC2]=1;\n\t\telse\n#endif\n#ifndef NO_RC5\n\t\t if (strcmp(*argv,"rc5-cbc") == 0) doit[D_CBC_RC5]=1;\n\t\telse if (strcmp(*argv,"rc5") == 0) doit[D_CBC_RC5]=1;\n\t\telse\n#endif\n#ifndef NO_IDEA\n\t\t if (strcmp(*argv,"idea-cbc") == 0) doit[D_CBC_IDEA]=1;\n\t\telse if (strcmp(*argv,"idea") == 0) doit[D_CBC_IDEA]=1;\n\t\telse\n#endif\n#ifndef NO_BF\n\t\t if (strcmp(*argv,"bf-cbc") == 0) doit[D_CBC_BF]=1;\n\t\telse if (strcmp(*argv,"blowfish") == 0) doit[D_CBC_BF]=1;\n\t\telse if (strcmp(*argv,"bf") == 0) doit[D_CBC_BF]=1;\n\t\telse\n#endif\n#ifndef NO_CAST\n\t\t if (strcmp(*argv,"cast-cbc") == 0) doit[D_CBC_CAST]=1;\n\t\telse if (strcmp(*argv,"cast") == 0) doit[D_CBC_CAST]=1;\n\t\telse if (strcmp(*argv,"cast5") == 0) doit[D_CBC_CAST]=1;\n\t\telse\n#endif\n#ifndef NO_DES\n\t\t\tif (strcmp(*argv,"des") == 0)\n\t\t\t{\n\t\t\tdoit[D_CBC_DES]=1;\n\t\t\tdoit[D_EDE3_DES]=1;\n\t\t\t}\n\t\telse\n#endif\n#ifndef NO_RSA\n\t\t\tif (strcmp(*argv,"rsa") == 0)\n\t\t\t{\n\t\t\trsa_doit[R_RSA_512]=1;\n\t\t\trsa_doit[R_RSA_1024]=1;\n\t\t\trsa_doit[R_RSA_2048]=1;\n\t\t\trsa_doit[R_RSA_4096]=1;\n\t\t\t}\n\t\telse\n#endif\n#ifndef NO_DSA\n\t\t\tif (strcmp(*argv,"dsa") == 0)\n\t\t\t{\n\t\t\tdsa_doit[R_DSA_512]=1;\n\t\t\tdsa_doit[R_DSA_1024]=1;\n\t\t\t}\n\t\telse\n#endif\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"bad value, pick one of\\n");\n\t\t\tBIO_printf(bio_err,"md2 mdc2\tmd5 hmac sha1 rmd160\\n");\n#ifndef NO_IDEA\n\t\t\tBIO_printf(bio_err,"idea-cbc ");\n#endif\n#ifndef NO_RC2\n\t\t\tBIO_printf(bio_err,"rc2-cbc ");\n#endif\n#ifndef NO_RC5\n\t\t\tBIO_printf(bio_err,"rc5-cbc ");\n#endif\n#ifndef NO_BF\n\t\t\tBIO_printf(bio_err,"bf-cbc");\n#endif\n#if !defined(NO_IDEA) && !defined(NO_RC2) && !defined(NO_BF) && !defined(NO_RC5)\n\t\t\tBIO_printf(bio_err,"\\n");\n#endif\n\t\t\tBIO_printf(bio_err,"des-cbc des-ede3 ");\n#ifndef NO_RC4\n\t\t\tBIO_printf(bio_err,"rc4");\n#endif\n#ifndef NO_RSA\n\t\t\tBIO_printf(bio_err,"\\nrsa512 rsa1024 rsa2048 rsa4096\\n");\n#endif\n#ifndef NO_DSA\n\t\t\tBIO_printf(bio_err,"\\ndsa512 dsa1024 dsa2048\\n");\n#endif\n\t\t\tBIO_printf(bio_err,"idea rc2 des rsa blowfish\\n");\n\t\t\tgoto end;\n\t\t\t}\n\t\targc--;\n\t\targv++;\n\t\tj++;\n\t\t}\n\tif (j == 0)\n\t\t{\n\t\tfor (i=0; i<ALGOR_NUM; i++)\n\t\t\tdoit[i]=1;\n\t\tfor (i=0; i<RSA_NUM; i++)\n\t\t\trsa_doit[i]=1;\n\t\tfor (i=0; i<DSA_NUM; i++)\n\t\t\tdsa_doit[i]=1;\n\t\t}\n\tfor (i=0; i<ALGOR_NUM; i++)\n\t\tif (doit[i]) pr_header++;\n#ifndef TIMES\n\tBIO_printf(bio_err,"To get the most accurate results, try to run this\\n");\n\tBIO_printf(bio_err,"program when this computer is idle.\\n");\n#endif\n#ifndef NO_RSA\n\tfor (i=0; i<RSA_NUM; i++)\n\t\t{\n\t\tunsigned char *p;\n\t\tp=rsa_data[i];\n\t\trsa_key[i]=d2i_RSAPrivateKey(NULL,&p,rsa_data_length[i]);\n\t\tif (rsa_key[i] == NULL)\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"internal error loading RSA key number %d\\n",i);\n\t\t\tgoto end;\n\t\t\t}\n#if 0\n\t\telse\n\t\t\t{\n\t\t\tBIO_printf(bio_err,"Loaded RSA key, %d bit modulus and e= 0x",BN_num_bits(rsa_key[i]->n));\n\t\t\tBN_print(bio_err,rsa_key[i]->e);\n\t\t\tBIO_printf(bio_err,"\\n");\n\t\t\t}\n#endif\n\t\t}\n#endif\n#ifndef NO_DSA\n\tdsa_key[0]=get_dsa512();\n\tdsa_key[1]=get_dsa1024();\n\tdsa_key[2]=get_dsa2048();\n#endif\n#ifndef NO_DES\n\tdes_set_key(&key,sch);\n\tdes_set_key(&key2,sch2);\n\tdes_set_key(&key3,sch3);\n#endif\n#ifndef NO_IDEA\n\tidea_set_encrypt_key(key16,&idea_ks);\n#endif\n#ifndef NO_RC4\n\tRC4_set_key(&rc4_ks,16,key16);\n#endif\n#ifndef NO_RC2\n\tRC2_set_key(&rc2_ks,16,key16,128);\n#endif\n#ifndef NO_RC5\n\tRC5_32_set_key(&rc5_ks,16,key16,12);\n#endif\n#ifndef NO_BF\n\tBF_set_key(&bf_ks,16,key16);\n#endif\n#ifndef NO_CAST\n\tCAST_set_key(&cast_ks,16,key16);\n#endif\n#ifndef NO_RSA\n\tmemset(rsa_c,0,sizeof(rsa_c));\n#endif\n#ifndef SIGALRM\n\tBIO_printf(bio_err,"First we calculate the approximate speed ...\\n");\n\tcount=10;\n\tdo\t{\n\t\tlong i;\n\t\tcount*=2;\n\t\tTime_F(START);\n\t\tfor (i=count; i; i--)\n\t\t\tdes_ecb_encrypt(buf_as_des_cblock,buf_as_des_cblock,\n\t\t\t\t&(sch[0]),DES_ENCRYPT);\n\t\td=Time_F(STOP);\n\t\t} while (d <3);\n\tc[D_MD2][0]=count/10;\n\tc[D_MDC2][0]=count/10;\n\tc[D_MD5][0]=count;\n\tc[D_HMAC][0]=count;\n\tc[D_SHA1][0]=count;\n\tc[D_RMD160][0]=count;\n\tc[D_RC4][0]=count*5;\n\tc[D_CBC_DES][0]=count;\n\tc[D_EDE3_DES][0]=count/3;\n\tc[D_CBC_IDEA][0]=count;\n\tc[D_CBC_RC2][0]=count;\n\tc[D_CBC_RC5][0]=count;\n\tc[D_CBC_BF][0]=count;\n\tc[D_CBC_CAST][0]=count;\n\tfor (i=1; i<SIZE_NUM; i++)\n\t\t{\n\t\tc[D_MD2][i]=c[D_MD2][0]*4*lengths[0]/lengths[i];\n\t\tc[D_MDC2][i]=c[D_MDC2][0]*4*lengths[0]/lengths[i];\n\t\tc[D_MD5][i]=c[D_MD5][0]*4*lengths[0]/lengths[i];\n\t\tc[D_HMAC][i]=c[D_HMAC][0]*4*lengths[0]/lengths[i];\n\t\tc[D_SHA1][i]=c[D_SHA1][0]*4*lengths[0]/lengths[i];\n\t\tc[D_RMD160][i]=c[D_RMD160][0]*4*lengths[0]/lengths[i];\n\t\t}\n\tfor (i=1; i<SIZE_NUM; i++)\n\t\t{\n\t\tlong l0,l1;\n\t\tl0=(long)lengths[i-1];\n\t\tl1=(long)lengths[i];\n\t\tc[D_RC4][i]=c[D_RC4][i-1]*l0/l1;\n\t\tc[D_CBC_DES][i]=c[D_CBC_DES][i-1]*l0/l1;\n\t\tc[D_EDE3_DES][i]=c[D_EDE3_DES][i-1]*l0/l1;\n\t\tc[D_CBC_IDEA][i]=c[D_CBC_IDEA][i-1]*l0/l1;\n\t\tc[D_CBC_RC2][i]=c[D_CBC_RC2][i-1]*l0/l1;\n\t\tc[D_CBC_RC5][i]=c[D_CBC_RC5][i-1]*l0/l1;\n\t\tc[D_CBC_BF][i]=c[D_CBC_BF][i-1]*l0/l1;\n\t\tc[D_CBC_CAST][i]=c[D_CBC_CAST][i-1]*l0/l1;\n\t\t}\n#ifndef NO_RSA\n\trsa_c[R_RSA_512][0]=count/2000;\n\trsa_c[R_RSA_512][1]=count/400;\n\tfor (i=1; i<RSA_NUM; i++)\n\t\t{\n\t\trsa_c[i][0]=rsa_c[i-1][0]/8;\n\t\trsa_c[i][1]=rsa_c[i-1][1]/4;\n\t\tif ((rsa_doit[i] <= 1) && (rsa_c[i][0] == 0))\n\t\t\trsa_doit[i]=0;\n\t\telse\n\t\t\t{\n\t\t\tif (rsa_c[i][0] == 0)\n\t\t\t\t{\n\t\t\t\trsa_c[i][0]=1;\n\t\t\t\trsa_c[i][1]=20;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n#endif\n\tdsa_c[R_DSA_512][0]=count/1000;\n\tdsa_c[R_DSA_512][1]=count/1000/2;\n\tfor (i=1; i<DSA_NUM; i++)\n\t\t{\n\t\tdsa_c[i][0]=dsa_c[i-1][0]/4;\n\t\tdsa_c[i][1]=dsa_c[i-1][1]/4;\n\t\tif ((dsa_doit[i] <= 1) && (dsa_c[i][0] == 0))\n\t\t\tdsa_doit[i]=0;\n\t\telse\n\t\t\t{\n\t\t\tif (dsa_c[i] == 0)\n\t\t\t\t{\n\t\t\t\tdsa_c[i][0]=1;\n\t\t\t\tdsa_c[i][1]=1;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n#define COND(d)\t(count < (d))\n#define COUNT(d) (d)\n#else\n#define COND(c)\t(run)\n#define COUNT(d) (count)\n\tsignal(SIGALRM,sig_done);\n#endif\n#ifndef NO_MD2\n\tif (doit[D_MD2])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_MD2],c[D_MD2][j],lengths[j]);\n\t\t\tTime_F(START);\n\t\t\tfor (count=0,run=1; COND(c[D_MD2][j]); count++)\n\t\t\t\tMD2(buf,(unsigned long)lengths[j],&(md2[0]));\n\t\t\td=Time_F(STOP);\n\t\t\tBIO_printf(bio_err,"%ld %s\'s in %.2fs\\n",\n\t\t\t\tcount,names[D_MD2],d);\n\t\t\tresults[D_MD2][j]=((double)count)/d*lengths[j];\n\t\t\t}\n\t\t}\n#endif\n#ifndef NO_MDC2\n\tif (doit[D_MDC2])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_MDC2],c[D_MDC2][j],lengths[j]);\n\t\t\tTime_F(START);\n\t\t\tfor (count=0,run=1; COND(c[D_MDC2][j]); count++)\n\t\t\t\tMDC2(buf,(unsigned long)lengths[j],&(mdc2[0]));\n\t\t\td=Time_F(STOP);\n\t\t\tBIO_printf(bio_err,"%ld %s\'s in %.2fs\\n",\n\t\t\t\tcount,names[D_MDC2],d);\n\t\t\tresults[D_MDC2][j]=((double)count)/d*lengths[j];\n\t\t\t}\n\t\t}\n#endif\n#ifndef NO_MD5\n\tif (doit[D_MD5])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_MD5],c[D_MD5][j],lengths[j]);\n\t\t\tTime_F(START);\n\t\t\tfor (count=0,run=1; COND(c[D_MD5][j]); count++)\n\t\t\t\tMD5(&(buf[0]),(unsigned long)lengths[j],&(md5[0]));\n\t\t\td=Time_F(STOP);\n\t\t\tBIO_printf(bio_err,"%ld %s\'s in %.2fs\\n",\n\t\t\t\tcount,names[D_MD5],d);\n\t\t\tresults[D_MD5][j]=((double)count)/d*lengths[j];\n\t\t\t}\n\t\t}\n#endif\n#ifndef NO_MD5\n\tif (doit[D_HMAC])\n\t\t{\n\t\tHMAC_CTX hctx;\n\t\tHMAC_Init(&hctx,(unsigned char *)"This is a key...",\n\t\t\t16,EVP_md5());\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_HMAC],c[D_HMAC][j],lengths[j]);\n\t\t\tTime_F(START);\n\t\t\tfor (count=0,run=1; COND(c[D_HMAC][j]); count++)\n\t\t\t\t{\n\t\t\t\tHMAC_Init(&hctx,NULL,0,NULL);\n HMAC_Update(&hctx,buf,lengths[j]);\n HMAC_Final(&hctx,&(hmac[0]),NULL);\n\t\t\t\t}\n\t\t\td=Time_F(STOP);\n\t\t\tBIO_printf(bio_err,"%ld %s\'s in %.2fs\\n",\n\t\t\t\tcount,names[D_HMAC],d);\n\t\t\tresults[D_HMAC][j]=((double)count)/d*lengths[j];\n\t\t\t}\n\t\t}\n#endif\n#ifndef NO_SHA\n\tif (doit[D_SHA1])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_SHA1],c[D_SHA1][j],lengths[j]);\n\t\t\tTime_F(START);\n\t\t\tfor (count=0,run=1; COND(c[D_SHA1][j]); count++)\n\t\t\t\tSHA1(buf,(unsigned long)lengths[j],&(sha[0]));\n\t\t\td=Time_F(STOP);\n\t\t\tBIO_printf(bio_err,"%ld %s\'s in %.2fs\\n",\n\t\t\t\tcount,names[D_SHA1],d);\n\t\t\tresults[D_SHA1][j]=((double)count)/d*lengths[j];\n\t\t\t}\n\t\t}\n#endif\n#ifndef NO_RIPEMD\n\tif (doit[D_RMD160])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_RMD160],c[D_RMD160][j],lengths[j]);\n\t\t\tTime_F(START);\n\t\t\tfor (count=0,run=1; COND(c[D_RMD160][j]); count++)\n\t\t\t\tRIPEMD160(buf,(unsigned long)lengths[j],&(rmd160[0]));\n\t\t\td=Time_F(STOP);\n\t\t\tBIO_printf(bio_err,"%ld %s\'s in %.2fs\\n",\n\t\t\t\tcount,names[D_RMD160],d);\n\t\t\tresults[D_RMD160][j]=((double)count)/d*lengths[j];\n\t\t\t}\n\t\t}\n#endif\n#ifndef NO_RC4\n\tif (doit[D_RC4])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_RC4],c[D_RC4][j],lengths[j]);\n\t\t\tTime_F(START);\n\t\t\tfor (count=0,run=1; COND(c[D_RC4][j]); count++)\n\t\t\t\tRC4(&rc4_ks,(unsigned int)lengths[j],\n\t\t\t\t\tbuf,buf);\n\t\t\td=Time_F(STOP);\n\t\t\tBIO_printf(bio_err,"%ld %s\'s in %.2fs\\n",\n\t\t\t\tcount,names[D_RC4],d);\n\t\t\tresults[D_RC4][j]=((double)count)/d*lengths[j];\n\t\t\t}\n\t\t}\n#endif\n#ifndef NO_DES\n\tif (doit[D_CBC_DES])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_CBC_DES],c[D_CBC_DES][j],lengths[j]);\n\t\t\tTime_F(START);\n\t\t\tfor (count=0,run=1; COND(c[D_CBC_DES][j]); count++)\n\t\t\t\tdes_ncbc_encrypt(buf,buf,lengths[j],sch,\n\t\t\t\t\t\t &iv,DES_ENCRYPT);\n\t\t\td=Time_F(STOP);\n\t\t\tBIO_printf(bio_err,"%ld %s\'s in %.2fs\\n",\n\t\t\t\tcount,names[D_CBC_DES],d);\n\t\t\tresults[D_CBC_DES][j]=((double)count)/d*lengths[j];\n\t\t\t}\n\t\t}\n\tif (doit[D_EDE3_DES])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_EDE3_DES],c[D_EDE3_DES][j],lengths[j]);\n\t\t\tTime_F(START);\n\t\t\tfor (count=0,run=1; COND(c[D_EDE3_DES][j]); count++)\n\t\t\t\tdes_ede3_cbc_encrypt(buf,buf,lengths[j],\n\t\t\t\t\t\t sch,sch2,sch3,\n\t\t\t\t\t\t &iv,DES_ENCRYPT);\n\t\t\td=Time_F(STOP);\n\t\t\tBIO_printf(bio_err,"%ld %s\'s in %.2fs\\n",\n\t\t\t\tcount,names[D_EDE3_DES],d);\n\t\t\tresults[D_EDE3_DES][j]=((double)count)/d*lengths[j];\n\t\t\t}\n\t\t}\n#endif\n#ifndef NO_IDEA\n\tif (doit[D_CBC_IDEA])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_CBC_IDEA],c[D_CBC_IDEA][j],lengths[j]);\n\t\t\tTime_F(START);\n\t\t\tfor (count=0,run=1; COND(c[D_CBC_IDEA][j]); count++)\n\t\t\t\tidea_cbc_encrypt(buf,buf,\n\t\t\t\t\t(unsigned long)lengths[j],&idea_ks,\n\t\t\t\t\tiv,IDEA_ENCRYPT);\n\t\t\td=Time_F(STOP);\n\t\t\tBIO_printf(bio_err,"%ld %s\'s in %.2fs\\n",\n\t\t\t\tcount,names[D_CBC_IDEA],d);\n\t\t\tresults[D_CBC_IDEA][j]=((double)count)/d*lengths[j];\n\t\t\t}\n\t\t}\n#endif\n#ifndef NO_RC2\n\tif (doit[D_CBC_RC2])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_CBC_RC2],c[D_CBC_RC2][j],lengths[j]);\n\t\t\tTime_F(START);\n\t\t\tfor (count=0,run=1; COND(c[D_CBC_RC2][j]); count++)\n\t\t\t\tRC2_cbc_encrypt(buf,buf,\n\t\t\t\t\t(unsigned long)lengths[j],&rc2_ks,\n\t\t\t\t\tiv,RC2_ENCRYPT);\n\t\t\td=Time_F(STOP);\n\t\t\tBIO_printf(bio_err,"%ld %s\'s in %.2fs\\n",\n\t\t\t\tcount,names[D_CBC_RC2],d);\n\t\t\tresults[D_CBC_RC2][j]=((double)count)/d*lengths[j];\n\t\t\t}\n\t\t}\n#endif\n#ifndef NO_RC5\n\tif (doit[D_CBC_RC5])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_CBC_RC5],c[D_CBC_RC5][j],lengths[j]);\n\t\t\tTime_F(START);\n\t\t\tfor (count=0,run=1; COND(c[D_CBC_RC5][j]); count++)\n\t\t\t\tRC5_32_cbc_encrypt(buf,buf,\n\t\t\t\t\t(unsigned long)lengths[j],&rc5_ks,\n\t\t\t\t\tiv,RC5_ENCRYPT);\n\t\t\td=Time_F(STOP);\n\t\t\tBIO_printf(bio_err,"%ld %s\'s in %.2fs\\n",\n\t\t\t\tcount,names[D_CBC_RC5],d);\n\t\t\tresults[D_CBC_RC5][j]=((double)count)/d*lengths[j];\n\t\t\t}\n\t\t}\n#endif\n#ifndef NO_BF\n\tif (doit[D_CBC_BF])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_CBC_BF],c[D_CBC_BF][j],lengths[j]);\n\t\t\tTime_F(START);\n\t\t\tfor (count=0,run=1; COND(c[D_CBC_BF][j]); count++)\n\t\t\t\tBF_cbc_encrypt(buf,buf,\n\t\t\t\t\t(unsigned long)lengths[j],&bf_ks,\n\t\t\t\t\tiv,BF_ENCRYPT);\n\t\t\td=Time_F(STOP);\n\t\t\tBIO_printf(bio_err,"%ld %s\'s in %.2fs\\n",\n\t\t\t\tcount,names[D_CBC_BF],d);\n\t\t\tresults[D_CBC_BF][j]=((double)count)/d*lengths[j];\n\t\t\t}\n\t\t}\n#endif\n#ifndef NO_CAST\n\tif (doit[D_CBC_CAST])\n\t\t{\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tprint_message(names[D_CBC_CAST],c[D_CBC_CAST][j],lengths[j]);\n\t\t\tTime_F(START);\n\t\t\tfor (count=0,run=1; COND(c[D_CBC_CAST][j]); count++)\n\t\t\t\tCAST_cbc_encrypt(buf,buf,\n\t\t\t\t\t(unsigned long)lengths[j],&cast_ks,\n\t\t\t\t\tiv,CAST_ENCRYPT);\n\t\t\td=Time_F(STOP);\n\t\t\tBIO_printf(bio_err,"%ld %s\'s in %.2fs\\n",\n\t\t\t\tcount,names[D_CBC_CAST],d);\n\t\t\tresults[D_CBC_CAST][j]=((double)count)/d*lengths[j];\n\t\t\t}\n\t\t}\n#endif\n\tRAND_bytes(buf,30);\n#ifndef NO_RSA\n\tfor (j=0; j<RSA_NUM; j++)\n\t\t{\n\t\tif (!rsa_doit[j]) continue;\n\t\trsa_num=RSA_private_encrypt(30,buf,buf2,rsa_key[j],\n\t\t\tRSA_PKCS1_PADDING);\n\t\tpkey_print_message("private","rsa",rsa_c[j][0],rsa_bits[j],\n\t\t\tRSA_SECONDS);\n\t\tTime_F(START);\n\t\tfor (count=0,run=1; COND(rsa_c[j][0]); count++)\n\t\t\t{\n\t\t\trsa_num=RSA_private_encrypt(30,buf,buf2,rsa_key[j],\n\t\t\t\tRSA_PKCS1_PADDING);\n\t\t\tif (rsa_num <= 0)\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_err,"RSA private encrypt failure\\n");\n\t\t\t\tERR_print_errors(bio_err);\n\t\t\t\tcount=1;\n\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\td=Time_F(STOP);\n\t\tBIO_printf(bio_err,"%ld %d bit private RSA\'s in %.2fs\\n",\n\t\t\tcount,rsa_bits[j],d);\n\t\trsa_results[j][0]=d/(double)count;\n\t\trsa_count=count;\n#if 1\n\t\trsa_num2=RSA_public_decrypt(rsa_num,buf2,buf,rsa_key[j],\n\t\t\tRSA_PKCS1_PADDING);\n\t\tpkey_print_message("public","rsa",rsa_c[j][1],rsa_bits[j],\n\t\t\tRSA_SECONDS);\n\t\tTime_F(START);\n\t\tfor (count=0,run=1; COND(rsa_c[j][1]); count++)\n\t\t\t{\n\t\t\trsa_num2=RSA_public_decrypt(rsa_num,buf2,buf,rsa_key[j],\n\t\t\t\tRSA_PKCS1_PADDING);\n\t\t\tif (rsa_num2 <= 0)\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_err,"RSA public encrypt failure\\n");\n\t\t\t\tERR_print_errors(bio_err);\n\t\t\t\tcount=1;\n\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\td=Time_F(STOP);\n\t\tBIO_printf(bio_err,"%ld %d bit public RSA\'s in %.2fs\\n",\n\t\t\tcount,rsa_bits[j],d);\n\t\trsa_results[j][1]=d/(double)count;\n#endif\n\t\tif (rsa_count <= 1)\n\t\t\t{\n\t\t\tfor (j++; j<RSA_NUM; j++)\n\t\t\t\trsa_doit[j]=0;\n\t\t\t}\n\t\t}\n#endif\n\tRAND_bytes(buf,20);\n#ifndef NO_DSA\n\tfor (j=0; j<DSA_NUM; j++)\n\t\t{\n\t\tunsigned int kk;\n\t\tif (!dsa_doit[j]) continue;\n\t\tDSA_generate_key(dsa_key[j]);\n\t\trsa_num=DSA_sign(EVP_PKEY_DSA,buf,20,buf2,\n\t\t\t&kk,dsa_key[j]);\n\t\tpkey_print_message("sign","dsa",dsa_c[j][0],dsa_bits[j],\n\t\t\tDSA_SECONDS);\n\t\tTime_F(START);\n\t\tfor (count=0,run=1; COND(dsa_c[j][0]); count++)\n\t\t\t{\n\t\t\trsa_num=DSA_sign(EVP_PKEY_DSA,buf,20,buf2,\n\t\t\t\t&kk,dsa_key[j]);\n\t\t\tif (rsa_num <= 0)\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_err,"DSA sign failure\\n");\n\t\t\t\tERR_print_errors(bio_err);\n\t\t\t\tcount=1;\n\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\td=Time_F(STOP);\n\t\tBIO_printf(bio_err,"%ld %d bit DSA signs in %.2fs\\n",\n\t\t\tcount,dsa_bits[j],d);\n\t\tdsa_results[j][0]=d/(double)count;\n\t\trsa_count=count;\n\t\trsa_num2=DSA_verify(EVP_PKEY_DSA,buf,20,buf2,\n\t\t\tkk,dsa_key[j]);\n\t\tpkey_print_message("verify","dsa",dsa_c[j][1],dsa_bits[j],\n\t\t\tDSA_SECONDS);\n\t\tTime_F(START);\n\t\tfor (count=0,run=1; COND(dsa_c[j][1]); count++)\n\t\t\t{\n\t\t\trsa_num2=DSA_verify(EVP_PKEY_DSA,buf,20,buf2,\n\t\t\t\tkk,dsa_key[j]);\n\t\t\tif (rsa_num2 <= 0)\n\t\t\t\t{\n\t\t\t\tBIO_printf(bio_err,"DSA verify failure\\n");\n\t\t\t\tERR_print_errors(bio_err);\n\t\t\t\tcount=1;\n\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\td=Time_F(STOP);\n\t\tBIO_printf(bio_err,"%ld %d bit DSA verify in %.2fs\\n",\n\t\t\tcount,dsa_bits[j],d);\n\t\tdsa_results[j][1]=d/(double)count;\n\t\tif (rsa_count <= 1)\n\t\t\t{\n\t\t\tfor (j++; j<DSA_NUM; j++)\n\t\t\t\tdsa_doit[j]=0;\n\t\t\t}\n\t\t}\n#endif\n\tfprintf(stdout,"%s\\n",SSLeay_version(SSLEAY_VERSION));\n fprintf(stdout,"%s\\n",SSLeay_version(SSLEAY_BUILT_ON));\n\tprintf("options:");\n\tprintf("%s ",BN_options());\n#ifndef NO_MD2\n\tprintf("%s ",MD2_options());\n#endif\n#ifndef NO_RC4\n\tprintf("%s ",RC4_options());\n#endif\n#ifndef NO_DES\n\tprintf("%s ",des_options());\n#endif\n#ifndef NO_IDEA\n\tprintf("%s ",idea_options());\n#endif\n#ifndef NO_BF\n\tprintf("%s ",BF_options());\n#endif\n\tfprintf(stdout,"\\n%s\\n",SSLeay_version(SSLEAY_CFLAGS));\n\tif (pr_header)\n\t\t{\n\t\tfprintf(stdout,"The \'numbers\' are in 1000s of bytes per second processed.\\n");\n\t\tfprintf(stdout,"type ");\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\tfprintf(stdout,"%7d bytes",lengths[j]);\n\t\tfprintf(stdout,"\\n");\n\t\t}\n\tfor (k=0; k<ALGOR_NUM; k++)\n\t\t{\n\t\tif (!doit[k]) continue;\n\t\tfprintf(stdout,"%-13s",names[k]);\n\t\tfor (j=0; j<SIZE_NUM; j++)\n\t\t\t{\n\t\t\tif (results[k][j] > 10000)\n\t\t\t\tfprintf(stdout," %11.2fk",results[k][j]/1e3);\n\t\t\telse\n\t\t\t\tfprintf(stdout," %11.2f ",results[k][j]);\n\t\t\t}\n\t\tfprintf(stdout,"\\n");\n\t\t}\n#ifndef NO_RSA\n\tj=1;\n\tfor (k=0; k<RSA_NUM; k++)\n\t\t{\n\t\tif (!rsa_doit[k]) continue;\n\t\tif (j)\n\t\t\t{\n\t\t\tprintf("%18ssign verify sign/s verify/s\\n"," ");\n\t\t\tj=0;\n\t\t\t}\n\t\tfprintf(stdout,"rsa %4u bits %8.4fs %8.4fs %8.1f %8.1f",\n\t\t\trsa_bits[k],rsa_results[k][0],rsa_results[k][1],\n\t\t\t1.0/rsa_results[k][0],1.0/rsa_results[k][1]);\n\t\tfprintf(stdout,"\\n");\n\t\t}\n#endif\n#ifndef NO_DSA\n\tj=1;\n\tfor (k=0; k<DSA_NUM; k++)\n\t\t{\n\t\tif (!dsa_doit[k]) continue;\n\t\tif (j)\t{\n\t\t\tprintf("%18ssign verify sign/s verify/s\\n"," ");\n\t\t\tj=0;\n\t\t\t}\n\t\tfprintf(stdout,"dsa %4u bits %8.4fs %8.4fs %8.1f %8.1f",\n\t\t\tdsa_bits[k],dsa_results[k][0],dsa_results[k][1],\n\t\t\t1.0/dsa_results[k][0],1.0/dsa_results[k][1]);\n\t\tfprintf(stdout,"\\n");\n\t\t}\n#endif\n\tret=0;\nend:\n\tif (buf != NULL) Free(buf);\n\tif (buf2 != NULL) Free(buf2);\n#ifndef NO_RSA\n\tfor (i=0; i<RSA_NUM; i++)\n\t\tif (rsa_key[i] != NULL)\n\t\t\tRSA_free(rsa_key[i]);\n#endif\n#ifndef NO_DSA\n\tfor (i=0; i<DSA_NUM; i++)\n\t\tif (dsa_key[i] != NULL)\n\t\t\tDSA_free(dsa_key[i]);\n#endif\n\tEXIT(ret);\n\t}', 'unsigned char *SHA1(const unsigned char *d, unsigned long n, unsigned char *md)\n\t{\n\tSHA_CTX c;\n\tstatic unsigned char m[SHA_DIGEST_LENGTH];\n\tif (md == NULL) md=m;\n\tSHA1_Init(&c);\n\tSHA1_Update(&c,d,n);\n\tSHA1_Final(md,&c);\n\tmemset(&c,0,sizeof(c));\n\treturn(md);\n\t}', 'void SHA1_Update(SHA_CTX *c, register const unsigned char *data,\n\t unsigned long len)\n\t{\n\tregister SHA_LONG *p;\n\tint ew,ec,sw,sc;\n\tSHA_LONG l;\n\tif (len == 0) return;\n\tl=(c->Nl+(len<<3))&0xffffffffL;\n\tif (l < c->Nl)\n\t\tc->Nh++;\n\tc->Nh+=(len>>29);\n\tc->Nl=l;\n\tif (c->num != 0)\n\t\t{\n\t\tp=c->data;\n\t\tsw=c->num>>2;\n\t\tsc=c->num&0x03;\n\t\tif ((c->num+len) >= SHA_CBLOCK)\n\t\t\t{\n\t\t\tl= p[sw];\n\t\t\tM_p_c2nl(data,l,sc);\n\t\t\tp[sw++]=l;\n\t\t\tfor (; sw<SHA_LBLOCK; sw++)\n\t\t\t\t{\n\t\t\t\tM_c2nl(data,l);\n\t\t\t\tp[sw]=l;\n\t\t\t\t}\n\t\t\tlen-=(SHA_CBLOCK-c->num);\n\t\t\tsha1_block(c,p,1);\n\t\t\tc->num=0;\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tc->num+=(int)len;\n\t\t\tif ((sc+len) < 4)\n\t\t\t\t{\n\t\t\t\tl= p[sw];\n\t\t\t\tM_p_c2nl_p(data,l,sc,len);\n\t\t\t\tp[sw]=l;\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tew=(c->num>>2);\n\t\t\t\tec=(c->num&0x03);\n\t\t\t\tl= p[sw];\n\t\t\t\tM_p_c2nl(data,l,sc);\n\t\t\t\tp[sw++]=l;\n\t\t\t\tfor (; sw < ew; sw++)\n\t\t\t\t\t{ M_c2nl(data,l); p[sw]=l; }\n\t\t\t\tif (ec)\n\t\t\t\t\t{\n\t\t\t\t\tM_c2nl_p(data,l,ec);\n\t\t\t\t\tp[sw]=l;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\treturn;\n\t\t\t}\n\t\t}\n#if SHA_LONG_LOG2==2\n#if defined(B_ENDIAN) || defined(SHA1_ASM)\n\tif ((((unsigned long)data)%sizeof(SHA_LONG)) == 0)\n\t\t{\n\t\tsw=len/SHA_CBLOCK;\n\t\tif (sw)\n\t\t\t{\n\t\t\tsha1_block(c,(SHA_LONG *)data,sw);\n\t\t\tsw*=SHA_CBLOCK;\n\t\t\tdata+=sw;\n\t\t\tlen-=sw;\n\t\t\t}\n\t\t}\n#endif\n#endif\n\tp=c->data;\n\twhile (len >= SHA_CBLOCK)\n\t\t{\n#if SHA_LONG_LOG2==2\n#if defined(B_ENDIAN) || defined(SHA1_ASM)\n#define SHA_NO_TAIL_CODE\n\t\tif (p != (SHA_LONG *)data)\n\t\t\tmemcpy(p,data,SHA_CBLOCK);\n\t\tdata+=SHA_CBLOCK;\n\t\tsha1_block(c,p=c->data,1);\n\t\tlen-=SHA_CBLOCK;\n#elif defined(L_ENDIAN)\n#define BE_COPY(dst,src,i)\t{\t\t\t\t\\\n\t\t\t\tl = ((SHA_LONG *)src)[i];\t\\\n\t\t\t\tEndian_Reverse32(l);\t\t\\\n\t\t\t\tdst[i] = l;\t\t\t\\\n\t\t\t\t}\n\t\tif ((((unsigned long)data)%sizeof(SHA_LONG)) == 0)\n\t\t\t{\n\t\t\tfor (sw=(SHA_LBLOCK/4); sw; sw--)\n\t\t\t\t{\n\t\t\t\tBE_COPY(p,data,0);\n\t\t\t\tBE_COPY(p,data,1);\n\t\t\t\tBE_COPY(p,data,2);\n\t\t\t\tBE_COPY(p,data,3);\n\t\t\t\tp+=4;\n\t\t\t\tdata += 4*sizeof(SHA_LONG);\n\t\t\t\t}\n\t\t\tsha1_block(c,p=c->data,1);\n\t\t\tlen-=SHA_CBLOCK;\n\t\t\tcontinue;\n\t\t\t}\n#endif\n#endif\n#ifndef SHA_NO_TAIL_CODE\n\t\tp=c->data;\n\t\tfor (sw=(SHA_LBLOCK/4); sw; sw--)\n\t\t\t{\n\t\t\tM_c2nl(data,l); p[0]=l;\n\t\t\tM_c2nl(data,l); p[1]=l;\n\t\t\tM_c2nl(data,l); p[2]=l;\n\t\t\tM_c2nl(data,l); p[3]=l;\n\t\t\tp+=4;\n\t\t\t}\n\t\tp=c->data;\n\t\tsha1_block(c,p,1);\n\t\tlen-=SHA_CBLOCK;\n#endif\n\t\t}\n\tec=(int)len;\n\tc->num=ec;\n\tew=(ec>>2);\n\tec&=0x03;\n\tfor (sw=0; sw < ew; sw++)\n\t\t{ M_c2nl(data,l); p[sw]=l; }\n\tM_c2nl_p(data,l,ec);\n\tp[sw]=l;\n\t}'] |
11,781 | 0 | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/h264pred.c/#L135 | static void pred4x4_down_left_c(uint8_t *src, uint8_t *topright, int stride){
LOAD_TOP_EDGE
LOAD_TOP_RIGHT_EDGE
src[0+0*stride]=(t0 + t2 + 2*t1 + 2)>>2;
src[1+0*stride]=
src[0+1*stride]=(t1 + t3 + 2*t2 + 2)>>2;
src[2+0*stride]=
src[1+1*stride]=
src[0+2*stride]=(t2 + t4 + 2*t3 + 2)>>2;
src[3+0*stride]=
src[2+1*stride]=
src[1+2*stride]=
src[0+3*stride]=(t3 + t5 + 2*t4 + 2)>>2;
src[3+1*stride]=
src[2+2*stride]=
src[1+3*stride]=(t4 + t6 + 2*t5 + 2)>>2;
src[3+2*stride]=
src[2+3*stride]=(t5 + t7 + 2*t6 + 2)>>2;
src[3+3*stride]=(t6 + 3*t7 + 2)>>2;
} | ['static void pred4x4_down_left_c(uint8_t *src, uint8_t *topright, int stride){\n LOAD_TOP_EDGE\n LOAD_TOP_RIGHT_EDGE\n src[0+0*stride]=(t0 + t2 + 2*t1 + 2)>>2;\n src[1+0*stride]=\n src[0+1*stride]=(t1 + t3 + 2*t2 + 2)>>2;\n src[2+0*stride]=\n src[1+1*stride]=\n src[0+2*stride]=(t2 + t4 + 2*t3 + 2)>>2;\n src[3+0*stride]=\n src[2+1*stride]=\n src[1+2*stride]=\n src[0+3*stride]=(t3 + t5 + 2*t4 + 2)>>2;\n src[3+1*stride]=\n src[2+2*stride]=\n src[1+3*stride]=(t4 + t6 + 2*t5 + 2)>>2;\n src[3+2*stride]=\n src[2+3*stride]=(t5 + t7 + 2*t6 + 2)>>2;\n src[3+3*stride]=(t6 + 3*t7 + 2)>>2;\n}'] |
11,782 | 0 | https://github.com/openssl/openssl/blob/75f5e944be97f28867e7c489823c889d89d0bd06/include/internal/constant_time_locl.h/#L123 | static ossl_inline unsigned int constant_time_lt(unsigned int a,
unsigned int b)
{
return constant_time_msb(a ^ ((a ^ b) | ((a - b) ^ b)));
} | ['int RSA_padding_check_PKCS1_type_2(unsigned char *to, int tlen,\n const unsigned char *from, int flen,\n int num)\n{\n int i;\n unsigned char *em = NULL;\n unsigned int good, found_zero_byte, mask;\n int zero_index = 0, msg_index, mlen = -1;\n if (tlen < 0 || flen < 0)\n return -1;\n if (flen > num || num < 11) {\n RSAerr(RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_2,\n RSA_R_PKCS_DECODING_ERROR);\n return -1;\n }\n em = OPENSSL_malloc(num);\n if (em == NULL) {\n RSAerr(RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_2, ERR_R_MALLOC_FAILURE);\n return -1;\n }\n for (from += flen, em += num, i = 0; i < num; i++) {\n mask = ~constant_time_is_zero(flen);\n flen -= 1 & mask;\n from -= 1 & mask;\n *--em = *from & mask;\n }\n from = em;\n good = constant_time_is_zero(from[0]);\n good &= constant_time_eq(from[1], 2);\n found_zero_byte = 0;\n for (i = 2; i < num; i++) {\n unsigned int equals0 = constant_time_is_zero(from[i]);\n zero_index = constant_time_select_int(~found_zero_byte & equals0,\n i, zero_index);\n found_zero_byte |= equals0;\n }\n good &= constant_time_ge(zero_index, 2 + 8);\n msg_index = zero_index + 1;\n mlen = num - msg_index;\n good &= constant_time_ge(tlen, mlen);\n tlen = constant_time_select_int(constant_time_lt(num, tlen), num, tlen);\n msg_index = constant_time_select_int(good, msg_index, num - tlen);\n mlen = num - msg_index;\n for (from += msg_index, mask = good, i = 0; i < tlen; i++) {\n unsigned int equals = constant_time_eq(i, mlen);\n from -= tlen & equals;\n mask &= mask ^ equals;\n to[i] = constant_time_select_8(mask, from[i], to[i]);\n }\n OPENSSL_clear_free(em, num);\n RSAerr(RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_2, RSA_R_PKCS_DECODING_ERROR);\n err_clear_last_constant_time(1 & good);\n return constant_time_select_int(good, mlen, -1);\n}', 'static ossl_inline unsigned int constant_time_ge(unsigned int a,\n unsigned int b)\n{\n return ~constant_time_lt(a, b);\n}', 'static ossl_inline unsigned int constant_time_lt(unsigned int a,\n unsigned int b)\n{\n return constant_time_msb(a ^ ((a ^ b) | ((a - b) ^ b)));\n}'] |
11,783 | 0 | https://github.com/openssl/openssl/blob/02cba628daa7fea959c561531a8a984756bdf41c/crypto/bn/bn_shift.c/#L112 | 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);
} | ['int ec_GF2m_simple_oct2point(const EC_GROUP *group, EC_POINT *point,\n const unsigned char *buf, size_t len,\n BN_CTX *ctx)\n{\n point_conversion_form_t form;\n int y_bit;\n BN_CTX *new_ctx = NULL;\n BIGNUM *x, *y, *yxi;\n size_t field_len, enc_len;\n int ret = 0;\n if (len == 0) {\n ECerr(EC_F_EC_GF2M_SIMPLE_OCT2POINT, EC_R_BUFFER_TOO_SMALL);\n return 0;\n }\n form = buf[0];\n y_bit = form & 1;\n form = form & ~1U;\n if ((form != 0) && (form != POINT_CONVERSION_COMPRESSED)\n && (form != POINT_CONVERSION_UNCOMPRESSED)\n && (form != POINT_CONVERSION_HYBRID)) {\n ECerr(EC_F_EC_GF2M_SIMPLE_OCT2POINT, EC_R_INVALID_ENCODING);\n return 0;\n }\n if ((form == 0 || form == POINT_CONVERSION_UNCOMPRESSED) && y_bit) {\n ECerr(EC_F_EC_GF2M_SIMPLE_OCT2POINT, EC_R_INVALID_ENCODING);\n return 0;\n }\n if (form == 0) {\n if (len != 1) {\n ECerr(EC_F_EC_GF2M_SIMPLE_OCT2POINT, EC_R_INVALID_ENCODING);\n return 0;\n }\n return EC_POINT_set_to_infinity(group, point);\n }\n field_len = (EC_GROUP_get_degree(group) + 7) / 8;\n enc_len =\n (form ==\n POINT_CONVERSION_COMPRESSED) ? 1 + field_len : 1 + 2 * field_len;\n if (len != enc_len) {\n ECerr(EC_F_EC_GF2M_SIMPLE_OCT2POINT, EC_R_INVALID_ENCODING);\n return 0;\n }\n if (ctx == NULL) {\n ctx = new_ctx = BN_CTX_new();\n if (ctx == NULL)\n return 0;\n }\n BN_CTX_start(ctx);\n x = BN_CTX_get(ctx);\n y = BN_CTX_get(ctx);\n yxi = BN_CTX_get(ctx);\n if (yxi == NULL)\n goto err;\n if (!BN_bin2bn(buf + 1, field_len, x))\n goto err;\n if (BN_ucmp(x, group->field) >= 0) {\n ECerr(EC_F_EC_GF2M_SIMPLE_OCT2POINT, EC_R_INVALID_ENCODING);\n goto err;\n }\n if (form == POINT_CONVERSION_COMPRESSED) {\n if (!EC_POINT_set_compressed_coordinates_GF2m\n (group, point, x, y_bit, ctx))\n goto err;\n } else {\n if (!BN_bin2bn(buf + 1 + field_len, field_len, y))\n goto err;\n if (BN_ucmp(y, group->field) >= 0) {\n ECerr(EC_F_EC_GF2M_SIMPLE_OCT2POINT, EC_R_INVALID_ENCODING);\n goto err;\n }\n if (form == POINT_CONVERSION_HYBRID) {\n if (!group->meth->field_div(group, yxi, y, x, ctx))\n goto err;\n if (y_bit != BN_is_odd(yxi)) {\n ECerr(EC_F_EC_GF2M_SIMPLE_OCT2POINT, EC_R_INVALID_ENCODING);\n goto err;\n }\n }\n if (!EC_POINT_set_affine_coordinates_GF2m(group, point, x, y, ctx))\n goto err;\n }\n ret = 1;\n err:\n BN_CTX_end(ctx);\n BN_CTX_free(new_ctx);\n return ret;\n}', 'BIGNUM *BN_bin2bn(const unsigned char *s, int len, BIGNUM *ret)\n{\n unsigned int i, m;\n unsigned int n;\n BN_ULONG l;\n BIGNUM *bn = NULL;\n if (ret == NULL)\n ret = bn = BN_new();\n if (ret == NULL)\n return (NULL);\n bn_check_top(ret);\n for ( ; len > 0 && *s == 0; s++, len--)\n continue;\n n = len;\n if (n == 0) {\n ret->top = 0;\n return (ret);\n }\n i = ((n - 1) / BN_BYTES) + 1;\n m = ((n - 1) % (BN_BYTES));\n if (bn_wexpand(ret, (int)i) == NULL) {\n BN_free(bn);\n return NULL;\n }\n ret->top = i;\n ret->neg = 0;\n l = 0;\n while (n--) {\n l = (l << 8L) | *(s++);\n if (m-- == 0) {\n ret->d[--i] = l;\n l = 0;\n m = BN_BYTES - 1;\n }\n }\n bn_correct_top(ret);\n return (ret);\n}', 'int EC_POINT_set_compressed_coordinates_GF2m(const EC_GROUP *group,\n EC_POINT *point, const BIGNUM *x,\n int y_bit, BN_CTX *ctx)\n{\n if (group->meth->point_set_compressed_coordinates == 0\n && !(group->meth->flags & EC_FLAGS_DEFAULT_OCT)) {\n ECerr(EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GF2M,\n ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);\n return 0;\n }\n if (group->meth != point->meth) {\n ECerr(EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GF2M,\n EC_R_INCOMPATIBLE_OBJECTS);\n return 0;\n }\n if (group->meth->flags & EC_FLAGS_DEFAULT_OCT) {\n if (group->meth->field_type == NID_X9_62_prime_field)\n return ec_GFp_simple_set_compressed_coordinates(group, point, x,\n y_bit, ctx);\n else\n return ec_GF2m_simple_set_compressed_coordinates(group, point, x,\n y_bit, ctx);\n }\n return group->meth->point_set_compressed_coordinates(group, point, x,\n y_bit, ctx);\n}', 'int ec_GFp_simple_set_compressed_coordinates(const EC_GROUP *group,\n EC_POINT *point,\n const BIGNUM *x_, int y_bit,\n BN_CTX *ctx)\n{\n BN_CTX *new_ctx = NULL;\n BIGNUM *tmp1, *tmp2, *x, *y;\n int ret = 0;\n ERR_clear_error();\n if (ctx == NULL) {\n ctx = new_ctx = BN_CTX_new();\n if (ctx == NULL)\n return 0;\n }\n y_bit = (y_bit != 0);\n BN_CTX_start(ctx);\n tmp1 = BN_CTX_get(ctx);\n tmp2 = BN_CTX_get(ctx);\n x = BN_CTX_get(ctx);\n y = BN_CTX_get(ctx);\n if (y == NULL)\n goto err;\n if (!BN_nnmod(x, x_, group->field, ctx))\n goto err;\n if (group->meth->field_decode == 0) {\n if (!group->meth->field_sqr(group, tmp2, x_, ctx))\n goto err;\n if (!group->meth->field_mul(group, tmp1, tmp2, x_, ctx))\n goto err;\n } else {\n if (!BN_mod_sqr(tmp2, x_, group->field, ctx))\n goto err;\n if (!BN_mod_mul(tmp1, tmp2, x_, group->field, ctx))\n goto err;\n }\n if (group->a_is_minus3) {\n if (!BN_mod_lshift1_quick(tmp2, x, group->field))\n goto err;\n if (!BN_mod_add_quick(tmp2, tmp2, x, group->field))\n goto err;\n if (!BN_mod_sub_quick(tmp1, tmp1, tmp2, group->field))\n goto err;\n } else {\n if (group->meth->field_decode) {\n if (!group->meth->field_decode(group, tmp2, group->a, ctx))\n goto err;\n if (!BN_mod_mul(tmp2, tmp2, x, group->field, ctx))\n goto err;\n } else {\n if (!group->meth->field_mul(group, tmp2, group->a, x, ctx))\n goto err;\n }\n if (!BN_mod_add_quick(tmp1, tmp1, tmp2, group->field))\n goto err;\n }\n if (group->meth->field_decode) {\n if (!group->meth->field_decode(group, tmp2, group->b, ctx))\n goto err;\n if (!BN_mod_add_quick(tmp1, tmp1, tmp2, group->field))\n goto err;\n } else {\n if (!BN_mod_add_quick(tmp1, tmp1, group->b, group->field))\n goto err;\n }\n if (!BN_mod_sqrt(y, tmp1, group->field, ctx)) {\n unsigned long err = ERR_peek_last_error();\n if (ERR_GET_LIB(err) == ERR_LIB_BN\n && ERR_GET_REASON(err) == BN_R_NOT_A_SQUARE) {\n ERR_clear_error();\n ECerr(EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES,\n EC_R_INVALID_COMPRESSED_POINT);\n } else\n ECerr(EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES,\n ERR_R_BN_LIB);\n goto err;\n }\n if (y_bit != BN_is_odd(y)) {\n if (BN_is_zero(y)) {\n int kron;\n kron = BN_kronecker(x, group->field, ctx);\n if (kron == -2)\n goto err;\n if (kron == 1)\n ECerr(EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES,\n EC_R_INVALID_COMPRESSION_BIT);\n else\n ECerr(EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES,\n EC_R_INVALID_COMPRESSED_POINT);\n goto err;\n }\n if (!BN_usub(y, group->field, y))\n goto err;\n }\n if (y_bit != BN_is_odd(y)) {\n ECerr(EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES,\n ERR_R_INTERNAL_ERROR);\n goto err;\n }\n if (!EC_POINT_set_affine_coordinates_GFp(group, point, x, y, ctx))\n goto err;\n ret = 1;\n err:\n BN_CTX_end(ctx);\n BN_CTX_free(new_ctx);\n return ret;\n}', 'int BN_nnmod(BIGNUM *r, const BIGNUM *m, const BIGNUM *d, BN_CTX *ctx)\n{\n if (!(BN_mod(r, m, d, ctx)))\n return 0;\n if (!r->neg)\n return 1;\n return (d->neg ? BN_sub : BN_add) (r, r, d);\n}', 'int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,\n BN_CTX *ctx)\n{\n int norm_shift, i, loop;\n BIGNUM *tmp, wnum, *snum, *sdiv, *res;\n BN_ULONG *resp, *wnump;\n BN_ULONG d0, d1;\n int num_n, div_n;\n int no_branch = 0;\n if ((num->top > 0 && num->d[num->top - 1] == 0) ||\n (divisor->top > 0 && divisor->d[divisor->top - 1] == 0)) {\n BNerr(BN_F_BN_DIV, BN_R_NOT_INITIALIZED);\n return 0;\n }\n bn_check_top(num);\n bn_check_top(divisor);\n if ((BN_get_flags(num, BN_FLG_CONSTTIME) != 0)\n || (BN_get_flags(divisor, BN_FLG_CONSTTIME) != 0)) {\n no_branch = 1;\n }\n bn_check_top(dv);\n bn_check_top(rm);\n if (BN_is_zero(divisor)) {\n BNerr(BN_F_BN_DIV, BN_R_DIV_BY_ZERO);\n return (0);\n }\n if (!no_branch && BN_ucmp(num, divisor) < 0) {\n if (rm != NULL) {\n if (BN_copy(rm, num) == NULL)\n return (0);\n }\n if (dv != NULL)\n BN_zero(dv);\n return (1);\n }\n BN_CTX_start(ctx);\n tmp = BN_CTX_get(ctx);\n snum = BN_CTX_get(ctx);\n sdiv = BN_CTX_get(ctx);\n if (dv == NULL)\n res = BN_CTX_get(ctx);\n else\n res = dv;\n if (sdiv == NULL || res == NULL || tmp == NULL || snum == NULL)\n goto err;\n norm_shift = BN_BITS2 - ((BN_num_bits(divisor)) % BN_BITS2);\n if (!(BN_lshift(sdiv, divisor, norm_shift)))\n goto err;\n sdiv->neg = 0;\n norm_shift += BN_BITS2;\n if (!(BN_lshift(snum, num, norm_shift)))\n goto err;\n snum->neg = 0;\n if (no_branch) {\n if (snum->top <= sdiv->top + 1) {\n if (bn_wexpand(snum, sdiv->top + 2) == NULL)\n goto err;\n for (i = snum->top; i < sdiv->top + 2; i++)\n snum->d[i] = 0;\n snum->top = sdiv->top + 2;\n } else {\n if (bn_wexpand(snum, snum->top + 1) == NULL)\n goto err;\n snum->d[snum->top] = 0;\n snum->top++;\n }\n }\n div_n = sdiv->top;\n num_n = snum->top;\n loop = num_n - div_n;\n wnum.neg = 0;\n wnum.d = &(snum->d[loop]);\n wnum.top = div_n;\n wnum.dmax = snum->dmax - loop;\n d0 = sdiv->d[div_n - 1];\n d1 = (div_n == 1) ? 0 : sdiv->d[div_n - 2];\n wnump = &(snum->d[num_n - 1]);\n if (!bn_wexpand(res, (loop + 1)))\n goto err;\n res->neg = (num->neg ^ divisor->neg);\n res->top = loop - no_branch;\n resp = &(res->d[loop - 1]);\n if (!bn_wexpand(tmp, (div_n + 1)))\n goto err;\n if (!no_branch) {\n if (BN_ucmp(&wnum, sdiv) >= 0) {\n bn_clear_top2max(&wnum);\n bn_sub_words(wnum.d, wnum.d, sdiv->d, div_n);\n *resp = 1;\n } else\n res->top--;\n }\n resp++;\n if (res->top == 0)\n res->neg = 0;\n else\n resp--;\n for (i = 0; i < loop - 1; i++, wnump--) {\n BN_ULONG q, l0;\n# if defined(BN_DIV3W) && !defined(OPENSSL_NO_ASM)\n BN_ULONG bn_div_3_words(BN_ULONG *, BN_ULONG, BN_ULONG);\n q = bn_div_3_words(wnump, d1, d0);\n# else\n BN_ULONG n0, n1, rem = 0;\n n0 = wnump[0];\n n1 = wnump[-1];\n if (n0 == d0)\n q = BN_MASK2;\n else {\n# ifdef BN_LLONG\n BN_ULLONG t2;\n# if defined(BN_LLONG) && defined(BN_DIV2W) && !defined(bn_div_words)\n q = (BN_ULONG)(((((BN_ULLONG) n0) << BN_BITS2) | n1) / d0);\n# else\n q = bn_div_words(n0, n1, d0);\n# endif\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n t2 = (BN_ULLONG) d1 *q;\n for (;;) {\n if (t2 <= ((((BN_ULLONG) rem) << BN_BITS2) | wnump[-2]))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n t2 -= d1;\n }\n# else\n BN_ULONG t2l, t2h;\n q = bn_div_words(n0, n1, d0);\n# ifndef REMAINDER_IS_ALREADY_CALCULATED\n rem = (n1 - q * d0) & BN_MASK2;\n# endif\n# if defined(BN_UMULT_LOHI)\n BN_UMULT_LOHI(t2l, t2h, d1, q);\n# elif defined(BN_UMULT_HIGH)\n t2l = d1 * q;\n t2h = BN_UMULT_HIGH(d1, q);\n# else\n {\n BN_ULONG ql, qh;\n t2l = LBITS(d1);\n t2h = HBITS(d1);\n ql = LBITS(q);\n qh = HBITS(q);\n mul64(t2l, t2h, ql, qh);\n }\n# endif\n for (;;) {\n if ((t2h < rem) || ((t2h == rem) && (t2l <= wnump[-2])))\n break;\n q--;\n rem += d0;\n if (rem < d0)\n break;\n if (t2l < d1)\n t2h--;\n t2l -= d1;\n }\n# endif\n }\n# endif\n l0 = bn_mul_words(tmp->d, sdiv->d, div_n, q);\n tmp->d[div_n] = l0;\n wnum.d--;\n if (bn_sub_words(wnum.d, wnum.d, tmp->d, div_n + 1)) {\n q--;\n if (bn_add_words(wnum.d, wnum.d, sdiv->d, div_n))\n (*wnump)++;\n }\n resp--;\n *resp = q;\n }\n bn_correct_top(snum);\n if (rm != NULL) {\n int neg = num->neg;\n BN_rshift(rm, snum, norm_shift);\n if (!BN_is_zero(rm))\n rm->neg = neg;\n bn_check_top(rm);\n }\n if (no_branch)\n bn_correct_top(res);\n BN_CTX_end(ctx);\n return (1);\n err:\n bn_check_top(rm);\n BN_CTX_end(ctx);\n return (0);\n}', 'int BN_lshift(BIGNUM *r, const BIGNUM *a, int n)\n{\n int i, nw, lb, rb;\n BN_ULONG *t, *f;\n BN_ULONG l;\n bn_check_top(r);\n bn_check_top(a);\n if (n < 0) {\n BNerr(BN_F_BN_LSHIFT, BN_R_INVALID_SHIFT);\n return 0;\n }\n nw = n / BN_BITS2;\n if (bn_wexpand(r, a->top + nw + 1) == NULL)\n return (0);\n r->neg = a->neg;\n lb = n % BN_BITS2;\n rb = BN_BITS2 - lb;\n f = a->d;\n t = r->d;\n t[a->top + nw] = 0;\n if (lb == 0)\n for (i = a->top - 1; i >= 0; i--)\n t[nw + i] = f[i];\n else\n for (i = a->top - 1; i >= 0; i--) {\n l = f[i];\n t[nw + i + 1] |= (l >> rb) & BN_MASK2;\n t[nw + i] = (l << lb) & BN_MASK2;\n }\n memset(t, 0, sizeof(*t) * nw);\n r->top = a->top + nw + 1;\n bn_correct_top(r);\n bn_check_top(r);\n return (1);\n}', 'BIGNUM *bn_wexpand(BIGNUM *a, int words)\n{\n return (words <= a->dmax) ? a : bn_expand2(a, words);\n}'] |
11,784 | 0 | https://github.com/libav/libav/blob/f8f7ad758d0e1f36915467567f4d75541d98c12f/libavcodec/decode.c/#L976 | static int video_get_buffer(AVCodecContext *s, AVFrame *pic)
{
FramePool *pool = s->internal->pool;
int i;
if (pic->data[0]) {
av_log(s, AV_LOG_ERROR, "pic->data[0]!=NULL in avcodec_default_get_buffer\n");
return -1;
}
memset(pic->data, 0, sizeof(pic->data));
pic->extended_data = pic->data;
for (i = 0; i < 4 && pool->pools[i]; i++) {
pic->linesize[i] = pool->linesize[i];
pic->buf[i] = av_buffer_pool_get(pool->pools[i]);
if (!pic->buf[i])
goto fail;
pic->data[i] = pic->buf[i]->data;
}
for (; i < AV_NUM_DATA_POINTERS; i++) {
pic->data[i] = NULL;
pic->linesize[i] = 0;
}
if (pic->data[1] && !pic->data[2])
avpriv_set_systematic_pal2((uint32_t *)pic->data[1], s->pix_fmt);
if (s->debug & FF_DEBUG_BUFFERS)
av_log(s, AV_LOG_DEBUG, "default_get_buffer called on pic %p\n", pic);
return 0;
fail:
av_frame_unref(pic);
return AVERROR(ENOMEM);
} | ['static int video_get_buffer(AVCodecContext *s, AVFrame *pic)\n{\n FramePool *pool = s->internal->pool;\n int i;\n if (pic->data[0]) {\n av_log(s, AV_LOG_ERROR, "pic->data[0]!=NULL in avcodec_default_get_buffer\\n");\n return -1;\n }\n memset(pic->data, 0, sizeof(pic->data));\n pic->extended_data = pic->data;\n for (i = 0; i < 4 && pool->pools[i]; i++) {\n pic->linesize[i] = pool->linesize[i];\n pic->buf[i] = av_buffer_pool_get(pool->pools[i]);\n if (!pic->buf[i])\n goto fail;\n pic->data[i] = pic->buf[i]->data;\n }\n for (; i < AV_NUM_DATA_POINTERS; i++) {\n pic->data[i] = NULL;\n pic->linesize[i] = 0;\n }\n if (pic->data[1] && !pic->data[2])\n avpriv_set_systematic_pal2((uint32_t *)pic->data[1], s->pix_fmt);\n if (s->debug & FF_DEBUG_BUFFERS)\n av_log(s, AV_LOG_DEBUG, "default_get_buffer called on pic %p\\n", pic);\n return 0;\nfail:\n av_frame_unref(pic);\n return AVERROR(ENOMEM);\n}'] |
11,785 | 0 | https://github.com/openssl/openssl/blob/3ad4af89cf7380aa94d1995e05e713d59e1c469a/crypto/idea/i_skey.c/#L117 | void IDEA_set_decrypt_key(IDEA_KEY_SCHEDULE *ek, IDEA_KEY_SCHEDULE *dk)
{
int r;
register IDEA_INT *fp, *tp, t;
tp = &(dk->data[0][0]);
fp = &(ek->data[8][0]);
for (r = 0; r < 9; r++) {
*(tp++) = inverse(fp[0]);
*(tp++) = ((int)(0x10000L - fp[2]) & 0xffff);
*(tp++) = ((int)(0x10000L - fp[1]) & 0xffff);
*(tp++) = inverse(fp[3]);
if (r == 8)
break;
fp -= 6;
*(tp++) = fp[4];
*(tp++) = fp[5];
}
tp = &(dk->data[0][0]);
t = tp[1];
tp[1] = tp[2];
tp[2] = t;
t = tp[49];
tp[49] = tp[50];
tp[50] = t;
} | ['void IDEA_set_decrypt_key(IDEA_KEY_SCHEDULE *ek, IDEA_KEY_SCHEDULE *dk)\n{\n int r;\n register IDEA_INT *fp, *tp, t;\n tp = &(dk->data[0][0]);\n fp = &(ek->data[8][0]);\n for (r = 0; r < 9; r++) {\n *(tp++) = inverse(fp[0]);\n *(tp++) = ((int)(0x10000L - fp[2]) & 0xffff);\n *(tp++) = ((int)(0x10000L - fp[1]) & 0xffff);\n *(tp++) = inverse(fp[3]);\n if (r == 8)\n break;\n fp -= 6;\n *(tp++) = fp[4];\n *(tp++) = fp[5];\n }\n tp = &(dk->data[0][0]);\n t = tp[1];\n tp[1] = tp[2];\n tp[2] = t;\n t = tp[49];\n tp[49] = tp[50];\n tp[50] = t;\n}'] |
11,786 | 0 | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavutil/aes.c/#L187 | int av_aes_init(AVAES *a, const uint8_t *key, int key_bits, int decrypt) {
int i, j, t, rconpointer = 0;
uint8_t tk[8][4];
int KC= key_bits>>5;
int rounds= KC + 6;
uint8_t log8[256];
uint8_t alog8[512];
if(!enc_multbl[0][sizeof(enc_multbl)/sizeof(enc_multbl[0][0])-1]){
j=1;
for(i=0; i<255; i++){
alog8[i]=
alog8[i+255]= j;
log8[j]= i;
j^= j+j;
if(j>255) j^= 0x11B;
}
for(i=0; i<256; i++){
j= i ? alog8[255-log8[i]] : 0;
j ^= (j<<1) ^ (j<<2) ^ (j<<3) ^ (j<<4);
j = (j ^ (j>>8) ^ 99) & 255;
inv_sbox[j]= i;
sbox [i]= j;
}
init_multbl2(dec_multbl[0], (int[4]){0xe, 0x9, 0xd, 0xb}, log8, alog8, inv_sbox);
init_multbl2(enc_multbl[0], (int[4]){0x2, 0x1, 0x1, 0x3}, log8, alog8, sbox);
}
if(key_bits!=128 && key_bits!=192 && key_bits!=256)
return -1;
a->rounds= rounds;
memcpy(tk, key, KC*4);
for(t= 0; t < (rounds+1)*16;) {
memcpy(a->round_key[0][0]+t, tk, KC*4);
t+= KC*4;
for(i = 0; i < 4; i++)
tk[0][i] ^= sbox[tk[KC-1][(i+1)&3]];
tk[0][0] ^= rcon[rconpointer++];
for(j = 1; j < KC; j++){
if(KC != 8 || j != KC>>1)
for(i = 0; i < 4; i++) tk[j][i] ^= tk[j-1][i];
else
for(i = 0; i < 4; i++) tk[j][i] ^= sbox[tk[j-1][i]];
}
}
if(decrypt){
for(i=1; i<rounds; i++){
uint8_t tmp[3][16];
memcpy(tmp[2], a->round_key[i][0], 16);
subshift(tmp[1], 0, sbox);
mix(tmp, dec_multbl, 1, 3);
memcpy(a->round_key[i][0], tmp[0], 16);
}
}else{
for(i=0; i<(rounds+1)>>1; i++){
for(j=0; j<16; j++)
FFSWAP(int, a->round_key[i][0][j], a->round_key[rounds-i][0][j]);
}
}
return 0;
} | ['int av_aes_init(AVAES *a, const uint8_t *key, int key_bits, int decrypt) {\n int i, j, t, rconpointer = 0;\n uint8_t tk[8][4];\n int KC= key_bits>>5;\n int rounds= KC + 6;\n uint8_t log8[256];\n uint8_t alog8[512];\n if(!enc_multbl[0][sizeof(enc_multbl)/sizeof(enc_multbl[0][0])-1]){\n j=1;\n for(i=0; i<255; i++){\n alog8[i]=\n alog8[i+255]= j;\n log8[j]= i;\n j^= j+j;\n if(j>255) j^= 0x11B;\n }\n for(i=0; i<256; i++){\n j= i ? alog8[255-log8[i]] : 0;\n j ^= (j<<1) ^ (j<<2) ^ (j<<3) ^ (j<<4);\n j = (j ^ (j>>8) ^ 99) & 255;\n inv_sbox[j]= i;\n sbox [i]= j;\n }\n init_multbl2(dec_multbl[0], (int[4]){0xe, 0x9, 0xd, 0xb}, log8, alog8, inv_sbox);\n init_multbl2(enc_multbl[0], (int[4]){0x2, 0x1, 0x1, 0x3}, log8, alog8, sbox);\n }\n if(key_bits!=128 && key_bits!=192 && key_bits!=256)\n return -1;\n a->rounds= rounds;\n memcpy(tk, key, KC*4);\n for(t= 0; t < (rounds+1)*16;) {\n memcpy(a->round_key[0][0]+t, tk, KC*4);\n t+= KC*4;\n for(i = 0; i < 4; i++)\n tk[0][i] ^= sbox[tk[KC-1][(i+1)&3]];\n tk[0][0] ^= rcon[rconpointer++];\n for(j = 1; j < KC; j++){\n if(KC != 8 || j != KC>>1)\n for(i = 0; i < 4; i++) tk[j][i] ^= tk[j-1][i];\n else\n for(i = 0; i < 4; i++) tk[j][i] ^= sbox[tk[j-1][i]];\n }\n }\n if(decrypt){\n for(i=1; i<rounds; i++){\n uint8_t tmp[3][16];\n memcpy(tmp[2], a->round_key[i][0], 16);\n subshift(tmp[1], 0, sbox);\n mix(tmp, dec_multbl, 1, 3);\n memcpy(a->round_key[i][0], tmp[0], 16);\n }\n }else{\n for(i=0; i<(rounds+1)>>1; i++){\n for(j=0; j<16; j++)\n FFSWAP(int, a->round_key[i][0][j], a->round_key[rounds-i][0][j]);\n }\n }\n return 0;\n}'] |
11,787 | 0 | https://github.com/openssl/openssl/blob/16bce0e08b16b28a1953795bde3f913957b08ef2/ssl/packet.c/#L49 | 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;
}
*allocbytes = GETBUF(pkt) + pkt->curr;
return 1;
} | ['int ssl_add_clienthello_tlsext(SSL *s, WPACKET *pkt, int *al)\n{\n#ifndef OPENSSL_NO_EC\n int using_ecc = 0;\n if (s->version >= TLS1_VERSION || SSL_IS_DTLS(s)) {\n int i;\n unsigned long alg_k, alg_a;\n STACK_OF(SSL_CIPHER) *cipher_stack = SSL_get_ciphers(s);\n for (i = 0; i < sk_SSL_CIPHER_num(cipher_stack); i++) {\n const SSL_CIPHER *c = sk_SSL_CIPHER_value(cipher_stack, i);\n alg_k = c->algorithm_mkey;\n alg_a = c->algorithm_auth;\n if ((alg_k & (SSL_kECDHE | SSL_kECDHEPSK))\n || (alg_a & SSL_aECDSA)) {\n using_ecc = 1;\n break;\n }\n }\n }\n#endif\n if (s->renegotiate) {\n if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_renegotiate)\n || !WPACKET_start_sub_packet_u16(pkt)\n || !WPACKET_sub_memcpy_u8(pkt, s->s3->previous_client_finished,\n s->s3->previous_client_finished_len)\n || !WPACKET_close(pkt)) {\n SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n }\n if (s->client_version == SSL3_VERSION)\n goto done;\n if (s->tlsext_hostname != NULL) {\n if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_server_name)\n || !WPACKET_start_sub_packet_u16(pkt)\n || !WPACKET_start_sub_packet_u16(pkt)\n || !WPACKET_put_bytes_u8(pkt, TLSEXT_NAMETYPE_host_name)\n || !WPACKET_sub_memcpy_u16(pkt, s->tlsext_hostname,\n strlen(s->tlsext_hostname))\n || !WPACKET_close(pkt)\n || !WPACKET_close(pkt)) {\n SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n }\n#ifndef OPENSSL_NO_SRP\n if (s->srp_ctx.login != NULL) {\n if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_srp)\n || !WPACKET_start_sub_packet_u16(pkt)\n || !WPACKET_start_sub_packet_u8(pkt)\n || !WPACKET_set_flags(pkt, WPACKET_FLAGS_NON_ZERO_LENGTH)\n || !WPACKET_memcpy(pkt, s->srp_ctx.login,\n strlen(s->srp_ctx.login))\n || !WPACKET_close(pkt)\n || !WPACKET_close(pkt)) {\n SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n }\n#endif\n#ifndef OPENSSL_NO_EC\n if (using_ecc) {\n const unsigned char *pcurves, *pformats;\n size_t num_curves, num_formats;\n size_t i;\n tls1_get_formatlist(s, &pformats, &num_formats);\n if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_ec_point_formats)\n || !WPACKET_start_sub_packet_u16(pkt)\n || !WPACKET_sub_memcpy_u8(pkt, pformats, num_formats)\n || !WPACKET_close(pkt)) {\n SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n pcurves = s->tlsext_ellipticcurvelist;\n if (!tls1_get_curvelist(s, 0, &pcurves, &num_curves)) {\n SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_elliptic_curves)\n || !WPACKET_start_sub_packet_u16(pkt)\n || !WPACKET_start_sub_packet_u16(pkt)) {\n SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n for (i = 0; i < num_curves; i++, pcurves += 2) {\n if (tls_curve_allowed(s, pcurves, SSL_SECOP_CURVE_SUPPORTED)) {\n if (!WPACKET_put_bytes_u8(pkt, pcurves[0])\n || !WPACKET_put_bytes_u8(pkt, pcurves[1])) {\n SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT,\n ERR_R_INTERNAL_ERROR);\n return 0;\n }\n }\n }\n if (!WPACKET_close(pkt) || !WPACKET_close(pkt)) {\n SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n }\n#endif\n if (tls_use_ticket(s)) {\n size_t ticklen;\n if (!s->new_session && s->session && s->session->tlsext_tick)\n ticklen = s->session->tlsext_ticklen;\n else if (s->session && s->tlsext_session_ticket &&\n s->tlsext_session_ticket->data) {\n ticklen = s->tlsext_session_ticket->length;\n s->session->tlsext_tick = OPENSSL_malloc(ticklen);\n if (s->session->tlsext_tick == NULL) {\n SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n memcpy(s->session->tlsext_tick,\n s->tlsext_session_ticket->data, ticklen);\n s->session->tlsext_ticklen = ticklen;\n } else\n ticklen = 0;\n if (ticklen == 0 && s->tlsext_session_ticket &&\n s->tlsext_session_ticket->data == NULL)\n goto skip_ext;\n if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_session_ticket)\n || !WPACKET_sub_memcpy_u16(pkt, s->session->tlsext_tick,\n ticklen)) {\n SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n }\n skip_ext:\n if (SSL_CLIENT_USE_SIGALGS(s)) {\n size_t salglen;\n const unsigned char *salg;\n salglen = tls12_get_psigalgs(s, &salg);\n if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_signature_algorithms)\n || !WPACKET_start_sub_packet_u16(pkt)\n || !WPACKET_start_sub_packet_u16(pkt)\n || !tls12_copy_sigalgs(s, pkt, salg, salglen)\n || !WPACKET_close(pkt)\n || !WPACKET_close(pkt)) {\n SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n }\n#ifndef OPENSSL_NO_OCSP\n if (s->tlsext_status_type == TLSEXT_STATUSTYPE_ocsp) {\n int i;\n if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_status_request)\n || !WPACKET_start_sub_packet_u16(pkt)\n || !WPACKET_put_bytes_u8(pkt, TLSEXT_STATUSTYPE_ocsp)\n || !WPACKET_start_sub_packet_u16(pkt)) {\n SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n for (i = 0; i < sk_OCSP_RESPID_num(s->tlsext_ocsp_ids); i++) {\n unsigned char *idbytes;\n int idlen;\n OCSP_RESPID *id;\n id = sk_OCSP_RESPID_value(s->tlsext_ocsp_ids, i);\n idlen = i2d_OCSP_RESPID(id, NULL);\n if (idlen <= 0\n || !WPACKET_sub_allocate_bytes_u16(pkt, idlen, &idbytes)\n || i2d_OCSP_RESPID(id, &idbytes) != idlen) {\n SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n }\n if (!WPACKET_close(pkt)\n || !WPACKET_start_sub_packet_u16(pkt)) {\n SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n if (s->tlsext_ocsp_exts) {\n unsigned char *extbytes;\n int extlen = i2d_X509_EXTENSIONS(s->tlsext_ocsp_exts, NULL);\n if (extlen < 0) {\n SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n if (!WPACKET_allocate_bytes(pkt, extlen, &extbytes)\n || i2d_X509_EXTENSIONS(s->tlsext_ocsp_exts, &extbytes)\n != extlen) {\n SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n }\n if (!WPACKET_close(pkt) || !WPACKET_close(pkt)) {\n SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n }\n#endif\n#ifndef OPENSSL_NO_HEARTBEATS\n if (SSL_IS_DTLS(s)) {\n unsigned int mode;\n if (s->tlsext_heartbeat & SSL_DTLSEXT_HB_DONT_RECV_REQUESTS)\n mode = SSL_DTLSEXT_HB_DONT_SEND_REQUESTS;\n else\n mode = SSL_DTLSEXT_HB_ENABLED;\n if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_heartbeat)\n || !WPACKET_start_sub_packet_u16(pkt)\n || !WPACKET_put_bytes_u8(pkt, mode)\n || !WPACKET_close(pkt)) {\n SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n }\n#endif\n#ifndef OPENSSL_NO_NEXTPROTONEG\n if (s->ctx->next_proto_select_cb && !s->s3->tmp.finish_md_len) {\n if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_next_proto_neg)\n || !WPACKET_put_bytes_u16(pkt, 0)) {\n SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n }\n#endif\n if (s->alpn_client_proto_list && !s->s3->tmp.finish_md_len) {\n if (!WPACKET_put_bytes_u16(pkt,\n TLSEXT_TYPE_application_layer_protocol_negotiation)\n || !WPACKET_start_sub_packet_u16(pkt)\n || !WPACKET_sub_memcpy_u16(pkt, s->alpn_client_proto_list,\n s->alpn_client_proto_list_len)\n || !WPACKET_close(pkt)) {\n SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n s->s3->alpn_sent = 1;\n }\n#ifndef OPENSSL_NO_SRTP\n if (SSL_IS_DTLS(s) && SSL_get_srtp_profiles(s)) {\n STACK_OF(SRTP_PROTECTION_PROFILE) *clnt = SSL_get_srtp_profiles(s);\n SRTP_PROTECTION_PROFILE *prof;\n int i, ct;\n if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_use_srtp)\n || !WPACKET_start_sub_packet_u16(pkt)\n || !WPACKET_start_sub_packet_u16(pkt)) {\n SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n ct = sk_SRTP_PROTECTION_PROFILE_num(clnt);\n for (i = 0; i < ct; i++) {\n prof = sk_SRTP_PROTECTION_PROFILE_value(clnt, i);\n if (prof == NULL || !WPACKET_put_bytes_u16(pkt, prof->id)) {\n SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n }\n if (!WPACKET_close(pkt)\n || !WPACKET_put_bytes_u8(pkt, 0)\n || !WPACKET_close(pkt)) {\n SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n }\n#endif\n custom_ext_init(&s->cert->cli_ext);\n if (!custom_ext_add(s, 0, pkt, al)) {\n SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n if (!(s->options & SSL_OP_NO_ENCRYPT_THEN_MAC)) {\n if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_encrypt_then_mac)\n || !WPACKET_put_bytes_u16(pkt, 0)) {\n SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n }\n#ifndef OPENSSL_NO_CT\n if (s->ct_validation_callback != NULL) {\n if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_signed_certificate_timestamp)\n || !WPACKET_put_bytes_u16(pkt, 0)) {\n SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n }\n#endif\n if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_extended_master_secret)\n || !WPACKET_put_bytes_u16(pkt, 0)) {\n SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n if (!SSL_IS_DTLS(s) && s->version >= TLS1_3_VERSION) {\n int min_version, max_version, reason, currv;\n if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_supported_versions)\n || !WPACKET_start_sub_packet_u16(pkt)\n || !WPACKET_start_sub_packet_u8(pkt)) {\n SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n reason = ssl_get_client_min_max_version(s, &min_version, &max_version);\n if (reason != 0) {\n SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT, reason);\n return 0;\n }\n for (currv = max_version; currv >= min_version; currv--) {\n if (currv == TLS1_3_VERSION) {\n if (!WPACKET_put_bytes_u16(pkt, TLS1_3_VERSION_DRAFT)) {\n SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT,\n ERR_R_INTERNAL_ERROR);\n return 0;\n }\n } else if (!WPACKET_put_bytes_u16(pkt, currv)) {\n SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n }\n if (!WPACKET_close(pkt) || !WPACKET_close(pkt)) {\n SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n }\n if (s->options & SSL_OP_TLSEXT_PADDING) {\n unsigned char *padbytes;\n size_t hlen;\n if (!WPACKET_get_total_written(pkt, &hlen)) {\n SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n if (hlen > 0xff && hlen < 0x200) {\n hlen = 0x200 - hlen;\n if (hlen >= 4)\n hlen -= 4;\n else\n hlen = 0;\n if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_padding)\n || !WPACKET_sub_allocate_bytes_u16(pkt, hlen, &padbytes)) {\n SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);\n return 0;\n }\n memset(padbytes, 0, hlen);\n }\n }\n done:\n return 1;\n}', 'int WPACKET_start_sub_packet_len__(WPACKET *pkt, size_t lenbytes)\n{\n WPACKET_SUB *sub;\n unsigned char *lenchars;\n assert(pkt->subs != NULL);\n if (pkt->subs == NULL)\n return 0;\n sub = OPENSSL_zalloc(sizeof(*sub));\n if (sub == NULL)\n return 0;\n sub->parent = pkt->subs;\n pkt->subs = sub;\n sub->pwritten = pkt->written + lenbytes;\n sub->lenbytes = lenbytes;\n if (lenbytes == 0) {\n sub->packet_len = 0;\n return 1;\n }\n if (!WPACKET_allocate_bytes(pkt, lenbytes, &lenchars))\n return 0;\n sub->packet_len = lenchars - GETBUF(pkt);\n return 1;\n}', 'int WPACKET_allocate_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)\n{\n if (!WPACKET_reserve_bytes(pkt, len, allocbytes))\n return 0;\n pkt->written += len;\n pkt->curr += len;\n return 1;\n}', 'int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)\n{\n assert(pkt->subs != NULL && len != 0);\n if (pkt->subs == NULL || len == 0)\n return 0;\n if (pkt->maxsize - pkt->written < len)\n return 0;\n if (pkt->staticbuf == NULL && (pkt->buf->length - pkt->written < len)) {\n size_t newlen;\n size_t reflen;\n reflen = (len > pkt->buf->length) ? len : pkt->buf->length;\n if (reflen > SIZE_MAX / 2) {\n newlen = SIZE_MAX;\n } else {\n newlen = reflen * 2;\n if (newlen < DEFAULT_BUF_SIZE)\n newlen = DEFAULT_BUF_SIZE;\n }\n if (BUF_MEM_grow(pkt->buf, newlen) == 0)\n return 0;\n }\n *allocbytes = GETBUF(pkt) + pkt->curr;\n return 1;\n}'] |
11,788 | 0 | https://github.com/libav/libav/blob/75366a504dfc30deadeac71c35e3c444275986f9/libavcodec/msmpeg4.c/#L1033 | int ff_msmpeg4_decode_block(MpegEncContext * s, DCTELEM * block,
int n, int coded, const uint8_t *scan_table)
{
int level, i, last, run, run_diff;
int av_uninit(dc_pred_dir);
RLTable *rl;
RL_VLC_ELEM *rl_vlc;
int qmul, qadd;
if (s->mb_intra) {
qmul=1;
qadd=0;
level = msmpeg4_decode_dc(s, n, &dc_pred_dir);
if (level < 0){
av_log(s->avctx, AV_LOG_ERROR, "dc overflow- block: %d qscale: %d//\n", n, s->qscale);
if(s->inter_intra_pred) level=0;
else return -1;
}
if (n < 4) {
rl = &ff_rl_table[s->rl_table_index];
if(level > 256*s->y_dc_scale){
av_log(s->avctx, AV_LOG_ERROR, "dc overflow+ L qscale: %d//\n", s->qscale);
if(!s->inter_intra_pred) return -1;
}
} else {
rl = &ff_rl_table[3 + s->rl_chroma_table_index];
if(level > 256*s->c_dc_scale){
av_log(s->avctx, AV_LOG_ERROR, "dc overflow+ C qscale: %d//\n", s->qscale);
if(!s->inter_intra_pred) return -1;
}
}
block[0] = level;
run_diff = s->msmpeg4_version >= 4;
i = 0;
if (!coded) {
goto not_coded;
}
if (s->ac_pred) {
if (dc_pred_dir == 0)
scan_table = s->intra_v_scantable.permutated;
else
scan_table = s->intra_h_scantable.permutated;
} else {
scan_table = s->intra_scantable.permutated;
}
rl_vlc= rl->rl_vlc[0];
} else {
qmul = s->qscale << 1;
qadd = (s->qscale - 1) | 1;
i = -1;
rl = &ff_rl_table[3 + s->rl_table_index];
if(s->msmpeg4_version==2)
run_diff = 0;
else
run_diff = 1;
if (!coded) {
s->block_last_index[n] = i;
return 0;
}
if(!scan_table)
scan_table = s->inter_scantable.permutated;
rl_vlc= rl->rl_vlc[s->qscale];
}
{
OPEN_READER(re, &s->gb);
for(;;) {
UPDATE_CACHE(re, &s->gb);
GET_RL_VLC(level, run, re, &s->gb, rl_vlc, TEX_VLC_BITS, 2, 0);
if (level==0) {
int cache;
cache= GET_CACHE(re, &s->gb);
if (s->msmpeg4_version==1 || (cache&0x80000000)==0) {
if (s->msmpeg4_version==1 || (cache&0x40000000)==0) {
if(s->msmpeg4_version!=1) LAST_SKIP_BITS(re, &s->gb, 2);
UPDATE_CACHE(re, &s->gb);
if(s->msmpeg4_version<=3){
last= SHOW_UBITS(re, &s->gb, 1); SKIP_CACHE(re, &s->gb, 1);
run= SHOW_UBITS(re, &s->gb, 6); SKIP_CACHE(re, &s->gb, 6);
level= SHOW_SBITS(re, &s->gb, 8);
SKIP_COUNTER(re, &s->gb, 1+6+8);
}else{
int sign;
last= SHOW_UBITS(re, &s->gb, 1); SKIP_BITS(re, &s->gb, 1);
if(!s->esc3_level_length){
int ll;
av_dlog(s->avctx, "ESC-3 %X at %d %d\n",
show_bits(&s->gb, 24), s->mb_x, s->mb_y);
if(s->qscale<8){
ll= SHOW_UBITS(re, &s->gb, 3); SKIP_BITS(re, &s->gb, 3);
if(ll==0){
ll= 8+SHOW_UBITS(re, &s->gb, 1); SKIP_BITS(re, &s->gb, 1);
}
}else{
ll=2;
while(ll<8 && SHOW_UBITS(re, &s->gb, 1)==0){
ll++;
SKIP_BITS(re, &s->gb, 1);
}
if(ll<8) SKIP_BITS(re, &s->gb, 1);
}
s->esc3_level_length= ll;
s->esc3_run_length= SHOW_UBITS(re, &s->gb, 2) + 3; SKIP_BITS(re, &s->gb, 2);
UPDATE_CACHE(re, &s->gb);
}
run= SHOW_UBITS(re, &s->gb, s->esc3_run_length);
SKIP_BITS(re, &s->gb, s->esc3_run_length);
sign= SHOW_UBITS(re, &s->gb, 1);
SKIP_BITS(re, &s->gb, 1);
level= SHOW_UBITS(re, &s->gb, s->esc3_level_length);
SKIP_BITS(re, &s->gb, s->esc3_level_length);
if(sign) level= -level;
}
#if 0
{
const int abs_level= FFABS(level);
const int run1= run - rl->max_run[last][abs_level] - run_diff;
if(abs_level<=MAX_LEVEL && run<=MAX_RUN){
if(abs_level <= rl->max_level[last][run]){
av_log(s->avctx, AV_LOG_ERROR, "illegal 3. esc, vlc encoding possible\n");
return DECODING_AC_LOST;
}
if(abs_level <= rl->max_level[last][run]*2){
av_log(s->avctx, AV_LOG_ERROR, "illegal 3. esc, esc 1 encoding possible\n");
return DECODING_AC_LOST;
}
if(run1>=0 && abs_level <= rl->max_level[last][run1]){
av_log(s->avctx, AV_LOG_ERROR, "illegal 3. esc, esc 2 encoding possible\n");
return DECODING_AC_LOST;
}
}
}
#endif
if (level>0) level= level * qmul + qadd;
else level= level * qmul - qadd;
#if 0
if(level>2048 || level<-2048){
av_log(s->avctx, AV_LOG_ERROR, "|level| overflow in 3. esc\n");
return DECODING_AC_LOST;
}
#endif
i+= run + 1;
if(last) i+=192;
#ifdef ERROR_DETAILS
if(run==66)
av_log(s->avctx, AV_LOG_ERROR, "illegal vlc code in ESC3 level=%d\n", level);
else if((i>62 && i<192) || i>192+63)
av_log(s->avctx, AV_LOG_ERROR, "run overflow in ESC3 i=%d run=%d level=%d\n", i, run, level);
#endif
} else {
SKIP_BITS(re, &s->gb, 2);
GET_RL_VLC(level, run, re, &s->gb, rl_vlc, TEX_VLC_BITS, 2, 1);
i+= run + rl->max_run[run>>7][level/qmul] + run_diff;
level = (level ^ SHOW_SBITS(re, &s->gb, 1)) - SHOW_SBITS(re, &s->gb, 1);
LAST_SKIP_BITS(re, &s->gb, 1);
#ifdef ERROR_DETAILS
if(run==66)
av_log(s->avctx, AV_LOG_ERROR, "illegal vlc code in ESC2 level=%d\n", level);
else if((i>62 && i<192) || i>192+63)
av_log(s->avctx, AV_LOG_ERROR, "run overflow in ESC2 i=%d run=%d level=%d\n", i, run, level);
#endif
}
} else {
SKIP_BITS(re, &s->gb, 1);
GET_RL_VLC(level, run, re, &s->gb, rl_vlc, TEX_VLC_BITS, 2, 1);
i+= run;
level = level + rl->max_level[run>>7][(run-1)&63] * qmul;
level = (level ^ SHOW_SBITS(re, &s->gb, 1)) - SHOW_SBITS(re, &s->gb, 1);
LAST_SKIP_BITS(re, &s->gb, 1);
#ifdef ERROR_DETAILS
if(run==66)
av_log(s->avctx, AV_LOG_ERROR, "illegal vlc code in ESC1 level=%d\n", level);
else if((i>62 && i<192) || i>192+63)
av_log(s->avctx, AV_LOG_ERROR, "run overflow in ESC1 i=%d run=%d level=%d\n", i, run, level);
#endif
}
} else {
i+= run;
level = (level ^ SHOW_SBITS(re, &s->gb, 1)) - SHOW_SBITS(re, &s->gb, 1);
LAST_SKIP_BITS(re, &s->gb, 1);
#ifdef ERROR_DETAILS
if(run==66)
av_log(s->avctx, AV_LOG_ERROR, "illegal vlc code level=%d\n", level);
else if((i>62 && i<192) || i>192+63)
av_log(s->avctx, AV_LOG_ERROR, "run overflow i=%d run=%d level=%d\n", i, run, level);
#endif
}
if (i > 62){
i-= 192;
if(i&(~63)){
const int left= get_bits_left(&s->gb);
if(((i+192 == 64 && level/qmul==-1) || !(s->err_recognition&AV_EF_BITSTREAM)) && left>=0){
av_log(s->avctx, AV_LOG_ERROR, "ignoring overflow at %d %d\n", s->mb_x, s->mb_y);
break;
}else{
av_log(s->avctx, AV_LOG_ERROR, "ac-tex damaged at %d %d\n", s->mb_x, s->mb_y);
return -1;
}
}
block[scan_table[i]] = level;
break;
}
block[scan_table[i]] = level;
}
CLOSE_READER(re, &s->gb);
}
not_coded:
if (s->mb_intra) {
ff_mpeg4_pred_ac(s, block, n, dc_pred_dir);
if (s->ac_pred) {
i = 63;
}
}
if(s->msmpeg4_version>=4 && i>0) i=63;
s->block_last_index[n] = i;
return 0;
} | ['int ff_msmpeg4_decode_block(MpegEncContext * s, DCTELEM * block,\n int n, int coded, const uint8_t *scan_table)\n{\n int level, i, last, run, run_diff;\n int av_uninit(dc_pred_dir);\n RLTable *rl;\n RL_VLC_ELEM *rl_vlc;\n int qmul, qadd;\n if (s->mb_intra) {\n qmul=1;\n qadd=0;\n level = msmpeg4_decode_dc(s, n, &dc_pred_dir);\n if (level < 0){\n av_log(s->avctx, AV_LOG_ERROR, "dc overflow- block: %d qscale: %d//\\n", n, s->qscale);\n if(s->inter_intra_pred) level=0;\n else return -1;\n }\n if (n < 4) {\n rl = &ff_rl_table[s->rl_table_index];\n if(level > 256*s->y_dc_scale){\n av_log(s->avctx, AV_LOG_ERROR, "dc overflow+ L qscale: %d//\\n", s->qscale);\n if(!s->inter_intra_pred) return -1;\n }\n } else {\n rl = &ff_rl_table[3 + s->rl_chroma_table_index];\n if(level > 256*s->c_dc_scale){\n av_log(s->avctx, AV_LOG_ERROR, "dc overflow+ C qscale: %d//\\n", s->qscale);\n if(!s->inter_intra_pred) return -1;\n }\n }\n block[0] = level;\n run_diff = s->msmpeg4_version >= 4;\n i = 0;\n if (!coded) {\n goto not_coded;\n }\n if (s->ac_pred) {\n if (dc_pred_dir == 0)\n scan_table = s->intra_v_scantable.permutated;\n else\n scan_table = s->intra_h_scantable.permutated;\n } else {\n scan_table = s->intra_scantable.permutated;\n }\n rl_vlc= rl->rl_vlc[0];\n } else {\n qmul = s->qscale << 1;\n qadd = (s->qscale - 1) | 1;\n i = -1;\n rl = &ff_rl_table[3 + s->rl_table_index];\n if(s->msmpeg4_version==2)\n run_diff = 0;\n else\n run_diff = 1;\n if (!coded) {\n s->block_last_index[n] = i;\n return 0;\n }\n if(!scan_table)\n scan_table = s->inter_scantable.permutated;\n rl_vlc= rl->rl_vlc[s->qscale];\n }\n {\n OPEN_READER(re, &s->gb);\n for(;;) {\n UPDATE_CACHE(re, &s->gb);\n GET_RL_VLC(level, run, re, &s->gb, rl_vlc, TEX_VLC_BITS, 2, 0);\n if (level==0) {\n int cache;\n cache= GET_CACHE(re, &s->gb);\n if (s->msmpeg4_version==1 || (cache&0x80000000)==0) {\n if (s->msmpeg4_version==1 || (cache&0x40000000)==0) {\n if(s->msmpeg4_version!=1) LAST_SKIP_BITS(re, &s->gb, 2);\n UPDATE_CACHE(re, &s->gb);\n if(s->msmpeg4_version<=3){\n last= SHOW_UBITS(re, &s->gb, 1); SKIP_CACHE(re, &s->gb, 1);\n run= SHOW_UBITS(re, &s->gb, 6); SKIP_CACHE(re, &s->gb, 6);\n level= SHOW_SBITS(re, &s->gb, 8);\n SKIP_COUNTER(re, &s->gb, 1+6+8);\n }else{\n int sign;\n last= SHOW_UBITS(re, &s->gb, 1); SKIP_BITS(re, &s->gb, 1);\n if(!s->esc3_level_length){\n int ll;\n av_dlog(s->avctx, "ESC-3 %X at %d %d\\n",\n show_bits(&s->gb, 24), s->mb_x, s->mb_y);\n if(s->qscale<8){\n ll= SHOW_UBITS(re, &s->gb, 3); SKIP_BITS(re, &s->gb, 3);\n if(ll==0){\n ll= 8+SHOW_UBITS(re, &s->gb, 1); SKIP_BITS(re, &s->gb, 1);\n }\n }else{\n ll=2;\n while(ll<8 && SHOW_UBITS(re, &s->gb, 1)==0){\n ll++;\n SKIP_BITS(re, &s->gb, 1);\n }\n if(ll<8) SKIP_BITS(re, &s->gb, 1);\n }\n s->esc3_level_length= ll;\n s->esc3_run_length= SHOW_UBITS(re, &s->gb, 2) + 3; SKIP_BITS(re, &s->gb, 2);\n UPDATE_CACHE(re, &s->gb);\n }\n run= SHOW_UBITS(re, &s->gb, s->esc3_run_length);\n SKIP_BITS(re, &s->gb, s->esc3_run_length);\n sign= SHOW_UBITS(re, &s->gb, 1);\n SKIP_BITS(re, &s->gb, 1);\n level= SHOW_UBITS(re, &s->gb, s->esc3_level_length);\n SKIP_BITS(re, &s->gb, s->esc3_level_length);\n if(sign) level= -level;\n }\n#if 0\n {\n const int abs_level= FFABS(level);\n const int run1= run - rl->max_run[last][abs_level] - run_diff;\n if(abs_level<=MAX_LEVEL && run<=MAX_RUN){\n if(abs_level <= rl->max_level[last][run]){\n av_log(s->avctx, AV_LOG_ERROR, "illegal 3. esc, vlc encoding possible\\n");\n return DECODING_AC_LOST;\n }\n if(abs_level <= rl->max_level[last][run]*2){\n av_log(s->avctx, AV_LOG_ERROR, "illegal 3. esc, esc 1 encoding possible\\n");\n return DECODING_AC_LOST;\n }\n if(run1>=0 && abs_level <= rl->max_level[last][run1]){\n av_log(s->avctx, AV_LOG_ERROR, "illegal 3. esc, esc 2 encoding possible\\n");\n return DECODING_AC_LOST;\n }\n }\n }\n#endif\n if (level>0) level= level * qmul + qadd;\n else level= level * qmul - qadd;\n#if 0\n if(level>2048 || level<-2048){\n av_log(s->avctx, AV_LOG_ERROR, "|level| overflow in 3. esc\\n");\n return DECODING_AC_LOST;\n }\n#endif\n i+= run + 1;\n if(last) i+=192;\n#ifdef ERROR_DETAILS\n if(run==66)\n av_log(s->avctx, AV_LOG_ERROR, "illegal vlc code in ESC3 level=%d\\n", level);\n else if((i>62 && i<192) || i>192+63)\n av_log(s->avctx, AV_LOG_ERROR, "run overflow in ESC3 i=%d run=%d level=%d\\n", i, run, level);\n#endif\n } else {\n SKIP_BITS(re, &s->gb, 2);\n GET_RL_VLC(level, run, re, &s->gb, rl_vlc, TEX_VLC_BITS, 2, 1);\n i+= run + rl->max_run[run>>7][level/qmul] + run_diff;\n level = (level ^ SHOW_SBITS(re, &s->gb, 1)) - SHOW_SBITS(re, &s->gb, 1);\n LAST_SKIP_BITS(re, &s->gb, 1);\n#ifdef ERROR_DETAILS\n if(run==66)\n av_log(s->avctx, AV_LOG_ERROR, "illegal vlc code in ESC2 level=%d\\n", level);\n else if((i>62 && i<192) || i>192+63)\n av_log(s->avctx, AV_LOG_ERROR, "run overflow in ESC2 i=%d run=%d level=%d\\n", i, run, level);\n#endif\n }\n } else {\n SKIP_BITS(re, &s->gb, 1);\n GET_RL_VLC(level, run, re, &s->gb, rl_vlc, TEX_VLC_BITS, 2, 1);\n i+= run;\n level = level + rl->max_level[run>>7][(run-1)&63] * qmul;\n level = (level ^ SHOW_SBITS(re, &s->gb, 1)) - SHOW_SBITS(re, &s->gb, 1);\n LAST_SKIP_BITS(re, &s->gb, 1);\n#ifdef ERROR_DETAILS\n if(run==66)\n av_log(s->avctx, AV_LOG_ERROR, "illegal vlc code in ESC1 level=%d\\n", level);\n else if((i>62 && i<192) || i>192+63)\n av_log(s->avctx, AV_LOG_ERROR, "run overflow in ESC1 i=%d run=%d level=%d\\n", i, run, level);\n#endif\n }\n } else {\n i+= run;\n level = (level ^ SHOW_SBITS(re, &s->gb, 1)) - SHOW_SBITS(re, &s->gb, 1);\n LAST_SKIP_BITS(re, &s->gb, 1);\n#ifdef ERROR_DETAILS\n if(run==66)\n av_log(s->avctx, AV_LOG_ERROR, "illegal vlc code level=%d\\n", level);\n else if((i>62 && i<192) || i>192+63)\n av_log(s->avctx, AV_LOG_ERROR, "run overflow i=%d run=%d level=%d\\n", i, run, level);\n#endif\n }\n if (i > 62){\n i-= 192;\n if(i&(~63)){\n const int left= get_bits_left(&s->gb);\n if(((i+192 == 64 && level/qmul==-1) || !(s->err_recognition&AV_EF_BITSTREAM)) && left>=0){\n av_log(s->avctx, AV_LOG_ERROR, "ignoring overflow at %d %d\\n", s->mb_x, s->mb_y);\n break;\n }else{\n av_log(s->avctx, AV_LOG_ERROR, "ac-tex damaged at %d %d\\n", s->mb_x, s->mb_y);\n return -1;\n }\n }\n block[scan_table[i]] = level;\n break;\n }\n block[scan_table[i]] = level;\n }\n CLOSE_READER(re, &s->gb);\n }\n not_coded:\n if (s->mb_intra) {\n ff_mpeg4_pred_ac(s, block, n, dc_pred_dir);\n if (s->ac_pred) {\n i = 63;\n }\n }\n if(s->msmpeg4_version>=4 && i>0) i=63;\n s->block_last_index[n] = i;\n return 0;\n}'] |
11,789 | 0 | https://github.com/nginx/nginx/blob/4fe0a09942f8aed90f84c77969847980e9aadd98/src/core/ngx_string.c/#L922 | ngx_int_t
ngx_atoi(u_char *line, size_t n)
{
ngx_int_t value, cutoff, cutlim;
if (n == 0) {
return NGX_ERROR;
}
cutoff = NGX_MAX_INT_T_VALUE / 10;
cutlim = NGX_MAX_INT_T_VALUE % 10;
for (value = 0; n--; line++) {
if (*line < '0' || *line > '9') {
return NGX_ERROR;
}
if (value >= cutoff && (value > cutoff || *line - '0' > cutlim)) {
return NGX_ERROR;
}
value = value * 10 + (*line - '0');
}
return value;
} | ['static char *\nngx_set_worker_processes(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)\n{\n ngx_str_t *value;\n ngx_core_conf_t *ccf;\n ccf = (ngx_core_conf_t *) conf;\n if (ccf->worker_processes != NGX_CONF_UNSET) {\n return "is duplicate";\n }\n value = (ngx_str_t *) cf->args->elts;\n if (ngx_strcmp(value[1].data, "auto") == 0) {\n ccf->worker_processes = ngx_ncpu;\n return NGX_CONF_OK;\n }\n ccf->worker_processes = ngx_atoi(value[1].data, value[1].len);\n if (ccf->worker_processes == NGX_ERROR) {\n return "invalid value";\n }\n return NGX_CONF_OK;\n}', "ngx_int_t\nngx_atoi(u_char *line, size_t n)\n{\n ngx_int_t value, cutoff, cutlim;\n if (n == 0) {\n return NGX_ERROR;\n }\n cutoff = NGX_MAX_INT_T_VALUE / 10;\n cutlim = NGX_MAX_INT_T_VALUE % 10;\n for (value = 0; n--; line++) {\n if (*line < '0' || *line > '9') {\n return NGX_ERROR;\n }\n if (value >= cutoff && (value > cutoff || *line - '0' > cutlim)) {\n return NGX_ERROR;\n }\n value = value * 10 + (*line - '0');\n }\n return value;\n}"] |
11,790 | 0 | https://github.com/openssl/openssl/blob/4ebb5293fc7ae1fbb7c5cd8bbe114049bcd8685e/apps/speed.c/#L2434 | static int do_multi(int multi)
{
int n;
int fd[2];
int *fds;
static char sep[]=":";
fds=malloc(multi*sizeof *fds);
for(n=0 ; n < multi ; ++n)
{
pipe(fd);
if(fork())
{
close(fd[1]);
fds[n]=fd[0];
}
else
{
close(fd[0]);
close(1);
dup(fd[1]);
close(fd[1]);
mr=1;
usertime=0;
return 0;
}
printf("Forked child %d\n",n);
}
for(n=0 ; n < multi ; ++n)
{
FILE *f;
char buf[1024];
char *p;
f=fdopen(fds[n],"r");
while(fgets(buf,sizeof buf,f))
{
p=strchr(buf,'\n');
if(p)
*p='\0';
if(buf[0] != '+')
{
fprintf(stderr,"Don't understand line '%s' from child %d\n",
buf,n);
continue;
}
printf("Got: %s from %d\n",buf,n);
if(!strncmp(buf,"+F:",3))
{
int alg;
int j;
p=buf+3;
alg=atoi(sstrsep(&p,sep));
sstrsep(&p,sep);
for(j=0 ; j < SIZE_NUM ; ++j)
results[alg][j]+=atof(sstrsep(&p,sep));
}
else if(!strncmp(buf,"+F2:",4))
{
int k;
double d;
p=buf+4;
k=atoi(sstrsep(&p,sep));
sstrsep(&p,sep);
d=atof(sstrsep(&p,sep));
if(n)
rsa_results[k][0]=1/(1/rsa_results[k][0]+1/d);
else
rsa_results[k][0]=d;
d=atof(sstrsep(&p,sep));
if(n)
rsa_results[k][1]=1/(1/rsa_results[k][1]+1/d);
else
rsa_results[k][1]=d;
}
else if(!strncmp(buf,"+F2:",4))
{
int k;
double d;
p=buf+4;
k=atoi(sstrsep(&p,sep));
sstrsep(&p,sep);
d=atof(sstrsep(&p,sep));
if(n)
rsa_results[k][0]=1/(1/rsa_results[k][0]+1/d);
else
rsa_results[k][0]=d;
d=atof(sstrsep(&p,sep));
if(n)
rsa_results[k][1]=1/(1/rsa_results[k][1]+1/d);
else
rsa_results[k][1]=d;
}
else if(!strncmp(buf,"+F3:",4))
{
int k;
double d;
p=buf+4;
k=atoi(sstrsep(&p,sep));
sstrsep(&p,sep);
d=atof(sstrsep(&p,sep));
if(n)
dsa_results[k][0]=1/(1/dsa_results[k][0]+1/d);
else
dsa_results[k][0]=d;
d=atof(sstrsep(&p,sep));
if(n)
dsa_results[k][1]=1/(1/dsa_results[k][1]+1/d);
else
dsa_results[k][1]=d;
}
#ifndef OPENSSL_NO_ECDSA
else if(!strncmp(buf,"+F4:",4))
{
int k;
double d;
p=buf+4;
k=atoi(sstrsep(&p,sep));
sstrsep(&p,sep);
d=atof(sstrsep(&p,sep));
if(n)
ecdsa_results[k][0]=1/(1/ecdsa_results[k][0]+1/d);
else
ecdsa_results[k][0]=d;
d=atof(sstrsep(&p,sep));
if(n)
ecdsa_results[k][1]=1/(1/ecdsa_results[k][1]+1/d);
else
ecdsa_results[k][1]=d;
}
#endif
#ifndef OPENSSL_NO_ECDH
else if(!strncmp(buf,"+F5:",4))
{
int k;
double d;
p=buf+4;
k=atoi(sstrsep(&p,sep));
sstrsep(&p,sep);
d=atof(sstrsep(&p,sep));
if(n)
ecdh_results[k][0]=1/(1/ecdh_results[k][0]+1/d);
else
ecdh_results[k][0]=d;
}
#endif
else if(!strncmp(buf,"+H:",3))
{
}
else
fprintf(stderr,"Unknown type '%s' from child %d\n",buf,n);
}
}
return 1;
} | ['static int do_multi(int multi)\n\t{\n\tint n;\n\tint fd[2];\n\tint *fds;\n\tstatic char sep[]=":";\n\tfds=malloc(multi*sizeof *fds);\n\tfor(n=0 ; n < multi ; ++n)\n\t\t{\n\t\tpipe(fd);\n\t\tif(fork())\n\t\t\t{\n\t\t\tclose(fd[1]);\n\t\t\tfds[n]=fd[0];\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tclose(fd[0]);\n\t\t\tclose(1);\n\t\t\tdup(fd[1]);\n\t\t\tclose(fd[1]);\n\t\t\tmr=1;\n\t\t\tusertime=0;\n\t\t\treturn 0;\n\t\t\t}\n\t\tprintf("Forked child %d\\n",n);\n\t\t}\n\tfor(n=0 ; n < multi ; ++n)\n\t\t{\n\t\tFILE *f;\n\t\tchar buf[1024];\n\t\tchar *p;\n\t\tf=fdopen(fds[n],"r");\n\t\twhile(fgets(buf,sizeof buf,f))\n\t\t\t{\n\t\t\tp=strchr(buf,\'\\n\');\n\t\t\tif(p)\n\t\t\t\t*p=\'\\0\';\n\t\t\tif(buf[0] != \'+\')\n\t\t\t\t{\n\t\t\t\tfprintf(stderr,"Don\'t understand line \'%s\' from child %d\\n",\n\t\t\t\t\t\tbuf,n);\n\t\t\t\tcontinue;\n\t\t\t\t}\n\t\t\tprintf("Got: %s from %d\\n",buf,n);\n\t\t\tif(!strncmp(buf,"+F:",3))\n\t\t\t\t{\n\t\t\t\tint alg;\n\t\t\t\tint j;\n\t\t\t\tp=buf+3;\n\t\t\t\talg=atoi(sstrsep(&p,sep));\n\t\t\t\tsstrsep(&p,sep);\n\t\t\t\tfor(j=0 ; j < SIZE_NUM ; ++j)\n\t\t\t\t\tresults[alg][j]+=atof(sstrsep(&p,sep));\n\t\t\t\t}\n\t\t\telse if(!strncmp(buf,"+F2:",4))\n\t\t\t\t{\n\t\t\t\tint k;\n\t\t\t\tdouble d;\n\t\t\t\tp=buf+4;\n\t\t\t\tk=atoi(sstrsep(&p,sep));\n\t\t\t\tsstrsep(&p,sep);\n\t\t\t\td=atof(sstrsep(&p,sep));\n\t\t\t\tif(n)\n\t\t\t\t\trsa_results[k][0]=1/(1/rsa_results[k][0]+1/d);\n\t\t\t\telse\n\t\t\t\t\trsa_results[k][0]=d;\n\t\t\t\td=atof(sstrsep(&p,sep));\n\t\t\t\tif(n)\n\t\t\t\t\trsa_results[k][1]=1/(1/rsa_results[k][1]+1/d);\n\t\t\t\telse\n\t\t\t\t\trsa_results[k][1]=d;\n\t\t\t\t}\n\t\t\telse if(!strncmp(buf,"+F2:",4))\n\t\t\t\t{\n\t\t\t\tint k;\n\t\t\t\tdouble d;\n\t\t\t\tp=buf+4;\n\t\t\t\tk=atoi(sstrsep(&p,sep));\n\t\t\t\tsstrsep(&p,sep);\n\t\t\t\td=atof(sstrsep(&p,sep));\n\t\t\t\tif(n)\n\t\t\t\t\trsa_results[k][0]=1/(1/rsa_results[k][0]+1/d);\n\t\t\t\telse\n\t\t\t\t\trsa_results[k][0]=d;\n\t\t\t\td=atof(sstrsep(&p,sep));\n\t\t\t\tif(n)\n\t\t\t\t\trsa_results[k][1]=1/(1/rsa_results[k][1]+1/d);\n\t\t\t\telse\n\t\t\t\t\trsa_results[k][1]=d;\n\t\t\t\t}\n\t\t\telse if(!strncmp(buf,"+F3:",4))\n\t\t\t\t{\n\t\t\t\tint k;\n\t\t\t\tdouble d;\n\t\t\t\tp=buf+4;\n\t\t\t\tk=atoi(sstrsep(&p,sep));\n\t\t\t\tsstrsep(&p,sep);\n\t\t\t\td=atof(sstrsep(&p,sep));\n\t\t\t\tif(n)\n\t\t\t\t\tdsa_results[k][0]=1/(1/dsa_results[k][0]+1/d);\n\t\t\t\telse\n\t\t\t\t\tdsa_results[k][0]=d;\n\t\t\t\td=atof(sstrsep(&p,sep));\n\t\t\t\tif(n)\n\t\t\t\t\tdsa_results[k][1]=1/(1/dsa_results[k][1]+1/d);\n\t\t\t\telse\n\t\t\t\t\tdsa_results[k][1]=d;\n\t\t\t\t}\n#ifndef OPENSSL_NO_ECDSA\n\t\t\telse if(!strncmp(buf,"+F4:",4))\n\t\t\t\t{\n\t\t\t\tint k;\n\t\t\t\tdouble d;\n\t\t\t\tp=buf+4;\n\t\t\t\tk=atoi(sstrsep(&p,sep));\n\t\t\t\tsstrsep(&p,sep);\n\t\t\t\td=atof(sstrsep(&p,sep));\n\t\t\t\tif(n)\n\t\t\t\t\tecdsa_results[k][0]=1/(1/ecdsa_results[k][0]+1/d);\n\t\t\t\telse\n\t\t\t\t\tecdsa_results[k][0]=d;\n\t\t\t\td=atof(sstrsep(&p,sep));\n\t\t\t\tif(n)\n\t\t\t\t\tecdsa_results[k][1]=1/(1/ecdsa_results[k][1]+1/d);\n\t\t\t\telse\n\t\t\t\t\tecdsa_results[k][1]=d;\n\t\t\t\t}\n#endif\n#ifndef OPENSSL_NO_ECDH\n\t\t\telse if(!strncmp(buf,"+F5:",4))\n\t\t\t\t{\n\t\t\t\tint k;\n\t\t\t\tdouble d;\n\t\t\t\tp=buf+4;\n\t\t\t\tk=atoi(sstrsep(&p,sep));\n\t\t\t\tsstrsep(&p,sep);\n\t\t\t\td=atof(sstrsep(&p,sep));\n\t\t\t\tif(n)\n\t\t\t\t\tecdh_results[k][0]=1/(1/ecdh_results[k][0]+1/d);\n\t\t\t\telse\n\t\t\t\t\tecdh_results[k][0]=d;\n\t\t\t\t}\n#endif\n\t\t\telse if(!strncmp(buf,"+H:",3))\n\t\t\t\t{\n\t\t\t\t}\n\t\t\telse\n\t\t\t\tfprintf(stderr,"Unknown type \'%s\' from child %d\\n",buf,n);\n\t\t\t}\n\t\t}\n\treturn 1;\n\t}'] |
11,791 | 0 | https://github.com/libav/libav/blob/490a022d86ef1c506a79744c5a95368af356fc69/ffmpeg.c/#L3559 | static void new_subtitle_stream(AVFormatContext *oc, int file_idx)
{
AVStream *st;
AVOutputStream *ost;
AVCodec *codec=NULL;
AVCodecContext *subtitle_enc;
enum CodecID codec_id = CODEC_ID_NONE;
st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
if (!st) {
fprintf(stderr, "Could not alloc stream\n");
ffmpeg_exit(1);
}
ost = new_output_stream(oc, file_idx);
subtitle_enc = st->codec;
output_codecs = grow_array(output_codecs, sizeof(*output_codecs), &nb_output_codecs, nb_output_codecs + 1);
if(!subtitle_stream_copy){
if (subtitle_codec_name) {
codec_id = find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 1,
avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance);
codec= output_codecs[nb_output_codecs-1] = avcodec_find_encoder_by_name(subtitle_codec_name);
} else {
codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_SUBTITLE);
codec = avcodec_find_encoder(codec_id);
}
}
avcodec_get_context_defaults3(st->codec, codec);
ost->bitstream_filters = subtitle_bitstream_filters;
subtitle_bitstream_filters= NULL;
subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
if(subtitle_codec_tag)
subtitle_enc->codec_tag= subtitle_codec_tag;
if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->flags |= CODEC_FLAG_GLOBAL_HEADER;
}
if (subtitle_stream_copy) {
st->stream_copy = 1;
} else {
subtitle_enc->codec_id = codec_id;
set_context_opts(avcodec_opts[AVMEDIA_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
}
if (subtitle_language) {
av_metadata_set2(&st->metadata, "language", subtitle_language, 0);
av_freep(&subtitle_language);
}
subtitle_disable = 0;
av_freep(&subtitle_codec_name);
subtitle_stream_copy = 0;
} | ['static void new_subtitle_stream(AVFormatContext *oc, int file_idx)\n{\n AVStream *st;\n AVOutputStream *ost;\n AVCodec *codec=NULL;\n AVCodecContext *subtitle_enc;\n enum CodecID codec_id = CODEC_ID_NONE;\n st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);\n if (!st) {\n fprintf(stderr, "Could not alloc stream\\n");\n ffmpeg_exit(1);\n }\n ost = new_output_stream(oc, file_idx);\n subtitle_enc = st->codec;\n output_codecs = grow_array(output_codecs, sizeof(*output_codecs), &nb_output_codecs, nb_output_codecs + 1);\n if(!subtitle_stream_copy){\n if (subtitle_codec_name) {\n codec_id = find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 1,\n avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance);\n codec= output_codecs[nb_output_codecs-1] = avcodec_find_encoder_by_name(subtitle_codec_name);\n } else {\n codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_SUBTITLE);\n codec = avcodec_find_encoder(codec_id);\n }\n }\n avcodec_get_context_defaults3(st->codec, codec);\n ost->bitstream_filters = subtitle_bitstream_filters;\n subtitle_bitstream_filters= NULL;\n subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;\n if(subtitle_codec_tag)\n subtitle_enc->codec_tag= subtitle_codec_tag;\n if (oc->oformat->flags & AVFMT_GLOBALHEADER) {\n subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;\n avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->flags |= CODEC_FLAG_GLOBAL_HEADER;\n }\n if (subtitle_stream_copy) {\n st->stream_copy = 1;\n } else {\n subtitle_enc->codec_id = codec_id;\n set_context_opts(avcodec_opts[AVMEDIA_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);\n }\n if (subtitle_language) {\n av_metadata_set2(&st->metadata, "language", subtitle_language, 0);\n av_freep(&subtitle_language);\n }\n subtitle_disable = 0;\n av_freep(&subtitle_codec_name);\n subtitle_stream_copy = 0;\n}', 'AVStream *av_new_stream(AVFormatContext *s, int id)\n{\n AVStream *st;\n int i;\n AVStream **streams;\n if (s->nb_streams >= INT_MAX/sizeof(*streams))\n return NULL;\n streams = av_realloc(s->streams, (s->nb_streams + 1) * sizeof(*streams));\n if (!streams)\n return NULL;\n s->streams = streams;\n st = av_mallocz(sizeof(AVStream));\n if (!st)\n return NULL;\n if (!(st->info = av_mallocz(sizeof(*st->info)))) {\n av_free(st);\n return NULL;\n }\n st->codec= avcodec_alloc_context();\n if (s->iformat) {\n st->codec->bit_rate = 0;\n }\n st->index = s->nb_streams;\n st->id = id;\n st->start_time = AV_NOPTS_VALUE;\n st->duration = AV_NOPTS_VALUE;\n st->cur_dts = 0;\n st->first_dts = AV_NOPTS_VALUE;\n st->probe_packets = MAX_PROBE_PACKETS;\n av_set_pts_info(st, 33, 1, 90000);\n st->last_IP_pts = AV_NOPTS_VALUE;\n for(i=0; i<MAX_REORDER_DELAY+1; i++)\n st->pts_buffer[i]= AV_NOPTS_VALUE;\n st->reference_dts = AV_NOPTS_VALUE;\n st->sample_aspect_ratio = (AVRational){0,1};\n s->streams[s->nb_streams++] = st;\n return st;\n}'] |
11,792 | 0 | https://github.com/nginx/nginx/blob/492844dbb18035617b6c220c4a857d9333c6ea61/src/http/modules/ngx_http_headers_filter_module.c/#L383 | static ngx_int_t
ngx_http_parse_expires(ngx_str_t *value, ngx_http_expires_t *expires,
time_t *expires_time, char **err)
{
ngx_uint_t minus;
if (*expires != NGX_HTTP_EXPIRES_MODIFIED) {
if (value->len == 5 && ngx_strncmp(value->data, "epoch", 5) == 0) {
*expires = NGX_HTTP_EXPIRES_EPOCH;
return NGX_OK;
}
if (value->len == 3 && ngx_strncmp(value->data, "max", 3) == 0) {
*expires = NGX_HTTP_EXPIRES_MAX;
return NGX_OK;
}
if (value->len == 3 && ngx_strncmp(value->data, "off", 3) == 0) {
*expires = NGX_HTTP_EXPIRES_OFF;
return NGX_OK;
}
}
if (value->data[0] == '@') {
value->data++;
value->len--;
minus = 0;
if (*expires == NGX_HTTP_EXPIRES_MODIFIED) {
*err = "daily time cannot be used with \"modified\" parameter";
return NGX_ERROR;
}
*expires = NGX_HTTP_EXPIRES_DAILY;
} else if (value->data[0] == '+') {
value->data++;
value->len--;
minus = 0;
} else if (value->data[0] == '-') {
value->data++;
value->len--;
minus = 1;
} else {
minus = 0;
}
*expires_time = ngx_parse_time(value, 1);
if (*expires_time == (time_t) NGX_ERROR) {
*err = "invalid value";
return NGX_ERROR;
}
if (*expires == NGX_HTTP_EXPIRES_DAILY
&& *expires_time > 24 * 60 * 60)
{
*err = "daily time value must be less than 24 hours";
return NGX_ERROR;
}
if (minus) {
*expires_time = - *expires_time;
}
return NGX_OK;
} | ['static ngx_int_t\nngx_http_set_expires(ngx_http_request_t *r, ngx_http_headers_conf_t *conf)\n{\n char *err;\n size_t len;\n time_t now, expires_time, max_age;\n ngx_str_t value;\n ngx_int_t rc;\n ngx_uint_t i;\n ngx_table_elt_t *e, *cc, **ccp;\n ngx_http_expires_t expires;\n expires = conf->expires;\n expires_time = conf->expires_time;\n if (conf->expires_value != NULL) {\n if (ngx_http_complex_value(r, conf->expires_value, &value) != NGX_OK) {\n return NGX_ERROR;\n }\n rc = ngx_http_parse_expires(&value, &expires, &expires_time, &err);\n if (rc != NGX_OK) {\n return NGX_OK;\n }\n if (expires == NGX_HTTP_EXPIRES_OFF) {\n return NGX_OK;\n }\n }\n e = r->headers_out.expires;\n if (e == NULL) {\n e = ngx_list_push(&r->headers_out.headers);\n if (e == NULL) {\n return NGX_ERROR;\n }\n r->headers_out.expires = e;\n e->hash = 1;\n ngx_str_set(&e->key, "Expires");\n }\n len = sizeof("Mon, 28 Sep 1970 06:00:00 GMT");\n e->value.len = len - 1;\n ccp = r->headers_out.cache_control.elts;\n if (ccp == NULL) {\n if (ngx_array_init(&r->headers_out.cache_control, r->pool,\n 1, sizeof(ngx_table_elt_t *))\n != NGX_OK)\n {\n return NGX_ERROR;\n }\n ccp = ngx_array_push(&r->headers_out.cache_control);\n if (ccp == NULL) {\n return NGX_ERROR;\n }\n cc = ngx_list_push(&r->headers_out.headers);\n if (cc == NULL) {\n return NGX_ERROR;\n }\n cc->hash = 1;\n ngx_str_set(&cc->key, "Cache-Control");\n *ccp = cc;\n } else {\n for (i = 1; i < r->headers_out.cache_control.nelts; i++) {\n ccp[i]->hash = 0;\n }\n cc = ccp[0];\n }\n if (expires == NGX_HTTP_EXPIRES_EPOCH) {\n e->value.data = (u_char *) "Thu, 01 Jan 1970 00:00:01 GMT";\n ngx_str_set(&cc->value, "no-cache");\n return NGX_OK;\n }\n if (expires == NGX_HTTP_EXPIRES_MAX) {\n e->value.data = (u_char *) "Thu, 31 Dec 2037 23:55:55 GMT";\n ngx_str_set(&cc->value, "max-age=315360000");\n return NGX_OK;\n }\n e->value.data = ngx_pnalloc(r->pool, len);\n if (e->value.data == NULL) {\n return NGX_ERROR;\n }\n if (expires_time == 0 && expires != NGX_HTTP_EXPIRES_DAILY) {\n ngx_memcpy(e->value.data, ngx_cached_http_time.data,\n ngx_cached_http_time.len + 1);\n ngx_str_set(&cc->value, "max-age=0");\n return NGX_OK;\n }\n now = ngx_time();\n if (expires == NGX_HTTP_EXPIRES_DAILY) {\n expires_time = ngx_next_time(expires_time);\n max_age = expires_time - now;\n } else if (expires == NGX_HTTP_EXPIRES_ACCESS\n || r->headers_out.last_modified_time == -1)\n {\n max_age = expires_time;\n expires_time += now;\n } else {\n expires_time += r->headers_out.last_modified_time;\n max_age = expires_time - now;\n }\n ngx_http_time(e->value.data, expires_time);\n if (conf->expires_time < 0 || max_age < 0) {\n ngx_str_set(&cc->value, "no-cache");\n return NGX_OK;\n }\n cc->value.data = ngx_pnalloc(r->pool,\n sizeof("max-age=") + NGX_TIME_T_LEN + 1);\n if (cc->value.data == NULL) {\n return NGX_ERROR;\n }\n cc->value.len = ngx_sprintf(cc->value.data, "max-age=%T", max_age)\n - cc->value.data;\n return NGX_OK;\n}', 'ngx_int_t\nngx_http_complex_value(ngx_http_request_t *r, ngx_http_complex_value_t *val,\n ngx_str_t *value)\n{\n size_t len;\n ngx_http_script_code_pt code;\n ngx_http_script_len_code_pt lcode;\n ngx_http_script_engine_t e;\n if (val->lengths == NULL) {\n *value = val->value;\n return NGX_OK;\n }\n ngx_http_script_flush_complex_value(r, val);\n ngx_memzero(&e, sizeof(ngx_http_script_engine_t));\n e.ip = val->lengths;\n e.request = r;\n e.flushed = 1;\n len = 0;\n while (*(uintptr_t *) e.ip) {\n lcode = *(ngx_http_script_len_code_pt *) e.ip;\n len += lcode(&e);\n }\n value->len = len;\n value->data = ngx_pnalloc(r->pool, len);\n if (value->data == NULL) {\n return NGX_ERROR;\n }\n e.ip = val->values;\n e.pos = value->data;\n e.buf = *value;\n while (*(uintptr_t *) e.ip) {\n code = *(ngx_http_script_code_pt *) e.ip;\n code((ngx_http_script_engine_t *) &e);\n }\n *value = e.buf;\n return NGX_OK;\n}', 'static ngx_int_t\nngx_http_parse_expires(ngx_str_t *value, ngx_http_expires_t *expires,\n time_t *expires_time, char **err)\n{\n ngx_uint_t minus;\n if (*expires != NGX_HTTP_EXPIRES_MODIFIED) {\n if (value->len == 5 && ngx_strncmp(value->data, "epoch", 5) == 0) {\n *expires = NGX_HTTP_EXPIRES_EPOCH;\n return NGX_OK;\n }\n if (value->len == 3 && ngx_strncmp(value->data, "max", 3) == 0) {\n *expires = NGX_HTTP_EXPIRES_MAX;\n return NGX_OK;\n }\n if (value->len == 3 && ngx_strncmp(value->data, "off", 3) == 0) {\n *expires = NGX_HTTP_EXPIRES_OFF;\n return NGX_OK;\n }\n }\n if (value->data[0] == \'@\') {\n value->data++;\n value->len--;\n minus = 0;\n if (*expires == NGX_HTTP_EXPIRES_MODIFIED) {\n *err = "daily time cannot be used with \\"modified\\" parameter";\n return NGX_ERROR;\n }\n *expires = NGX_HTTP_EXPIRES_DAILY;\n } else if (value->data[0] == \'+\') {\n value->data++;\n value->len--;\n minus = 0;\n } else if (value->data[0] == \'-\') {\n value->data++;\n value->len--;\n minus = 1;\n } else {\n minus = 0;\n }\n *expires_time = ngx_parse_time(value, 1);\n if (*expires_time == (time_t) NGX_ERROR) {\n *err = "invalid value";\n return NGX_ERROR;\n }\n if (*expires == NGX_HTTP_EXPIRES_DAILY\n && *expires_time > 24 * 60 * 60)\n {\n *err = "daily time value must be less than 24 hours";\n return NGX_ERROR;\n }\n if (minus) {\n *expires_time = - *expires_time;\n }\n return NGX_OK;\n}'] |
11,793 | 0 | https://github.com/openssl/openssl/blob/61ced34f8d7a7f1dedaa5a5b3554c4dcdec610df/crypto/err/err.c/#L780 | int ERR_pop_to_mark(void)
{
ERR_STATE *es;
es = ERR_get_state();
while (es->bottom != es->top
&& (es->err_flags[es->top] & ERR_FLAG_MARK) == 0) {
err_clear(es, es->top);
es->top -= 1;
if (es->top == -1)
es->top = ERR_NUM_ERRORS - 1;
}
if (es->bottom == es->top)
return 0;
es->err_flags[es->top] &= ~ERR_FLAG_MARK;
return 1;
} | ['int ERR_pop_to_mark(void)\n{\n ERR_STATE *es;\n es = ERR_get_state();\n while (es->bottom != es->top\n && (es->err_flags[es->top] & ERR_FLAG_MARK) == 0) {\n err_clear(es, es->top);\n es->top -= 1;\n if (es->top == -1)\n es->top = ERR_NUM_ERRORS - 1;\n }\n if (es->bottom == es->top)\n return 0;\n es->err_flags[es->top] &= ~ERR_FLAG_MARK;\n return 1;\n}', 'ERR_STATE *ERR_get_state(void)\n{\n ERR_STATE *state = NULL;\n if (!RUN_ONCE(&err_init, err_do_init))\n return NULL;\n state = CRYPTO_THREAD_get_local(&err_thread_local);\n if (state == NULL) {\n state = OPENSSL_zalloc(sizeof(*state));\n if (state == NULL)\n return NULL;\n if (!CRYPTO_THREAD_set_local(&err_thread_local, state)) {\n ERR_STATE_free(state);\n return NULL;\n }\n OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL);\n ossl_init_thread_start(OPENSSL_INIT_THREAD_ERR_STATE);\n }\n return state;\n}', 'int CRYPTO_THREAD_run_once(CRYPTO_ONCE *once, void (*init)(void))\n{\n if (pthread_once(once, init) != 0)\n return 0;\n return 1;\n}'] |
11,794 | 0 | https://github.com/openssl/openssl/blob/40a706286febe0279336c96374c607daaa1b1d49/crypto/lhash/lhash.c/#L240 | void *lh_delete(_LHASH *lh, const void *data)
{
unsigned long hash;
LHASH_NODE *nn,**rn;
void *ret;
lh->error=0;
rn=getrn(lh,data,&hash);
if (*rn == NULL)
{
lh->num_no_delete++;
return(NULL);
}
else
{
nn= *rn;
*rn=nn->next;
ret=nn->data;
OPENSSL_free(nn);
lh->num_delete++;
}
lh->num_items--;
if ((lh->num_nodes > MIN_NODES) &&
(lh->down_load >= (lh->num_items*LH_LOAD_MULT/lh->num_nodes)))
contract(lh);
return(ret);
} | ['int dtls1_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek)\n\t{\n\tint al,i,j,ret;\n\tunsigned int n;\n\tSSL3_RECORD *rr;\n\tvoid (*cb)(const SSL *ssl,int type2,int val)=NULL;\n\tif (s->s3->rbuf.buf == NULL)\n\t\tif (!ssl3_setup_buffers(s))\n\t\t\treturn(-1);\n\tif ((type && (type != SSL3_RT_APPLICATION_DATA) &&\n\t\t(type != SSL3_RT_HANDSHAKE) && type) ||\n\t (peek && (type != SSL3_RT_APPLICATION_DATA)))\n\t\t{\n\t\tSSLerr(SSL_F_DTLS1_READ_BYTES, ERR_R_INTERNAL_ERROR);\n\t\treturn -1;\n\t\t}\n\tif ( (ret = have_handshake_fragment(s, type, buf, len, peek)))\n\t\treturn ret;\n\tif (!s->in_handshake && SSL_in_init(s))\n\t\t{\n\t\ti=s->handshake_func(s);\n\t\tif (i < 0) return(i);\n\t\tif (i == 0)\n\t\t\t{\n\t\t\tSSLerr(SSL_F_DTLS1_READ_BYTES,SSL_R_SSL_HANDSHAKE_FAILURE);\n\t\t\treturn(-1);\n\t\t\t}\n\t\t}\nstart:\n\ts->rwstate=SSL_NOTHING;\n\trr = &(s->s3->rrec);\n\tif ((rr->length == 0) || (s->rstate == SSL_ST_READ_BODY))\n\t\t{\n\t\tret=dtls1_get_record(s);\n\t\tif (ret <= 0)\n\t\t\t{\n\t\t\tret = dtls1_read_failed(s, ret);\n\t\t\tif (ret <= 0)\n\t\t\t\treturn(ret);\n\t\t\telse\n\t\t\t\tgoto start;\n\t\t\t}\n\t\t}\n\tif (s->s3->change_cipher_spec\n\t\t&& (rr->type != SSL3_RT_HANDSHAKE))\n\t\t{\n\t\tal=SSL_AD_UNEXPECTED_MESSAGE;\n\t\tSSLerr(SSL_F_DTLS1_READ_BYTES,SSL_R_DATA_BETWEEN_CCS_AND_FINISHED);\n\t\tgoto err;\n\t\t}\n\tif (s->shutdown & SSL_RECEIVED_SHUTDOWN)\n\t\t{\n\t\trr->length=0;\n\t\ts->rwstate=SSL_NOTHING;\n\t\treturn(0);\n\t\t}\n\tif (type == rr->type)\n\t\t{\n\t\tif (SSL_in_init(s) && (type == SSL3_RT_APPLICATION_DATA) &&\n\t\t\t(s->enc_read_ctx == NULL))\n\t\t\t{\n\t\t\tal=SSL_AD_UNEXPECTED_MESSAGE;\n\t\t\tSSLerr(SSL_F_DTLS1_READ_BYTES,SSL_R_APP_DATA_IN_HANDSHAKE);\n\t\t\tgoto f_err;\n\t\t\t}\n\t\tif (len <= 0) return(len);\n\t\tif ((unsigned int)len > rr->length)\n\t\t\tn = rr->length;\n\t\telse\n\t\t\tn = (unsigned int)len;\n\t\tmemcpy(buf,&(rr->data[rr->off]),n);\n\t\tif (!peek)\n\t\t\t{\n\t\t\trr->length-=n;\n\t\t\trr->off+=n;\n\t\t\tif (rr->length == 0)\n\t\t\t\t{\n\t\t\t\ts->rstate=SSL_ST_READ_HEADER;\n\t\t\t\trr->off=0;\n\t\t\t\t}\n\t\t\t}\n\t\treturn(n);\n\t\t}\n\t\t{\n\t\tunsigned int k, dest_maxlen = 0;\n\t\tunsigned char *dest = NULL;\n\t\tunsigned int *dest_len = NULL;\n\t\tif (rr->type == SSL3_RT_HANDSHAKE)\n\t\t\t{\n\t\t\tdest_maxlen = sizeof s->d1->handshake_fragment;\n\t\t\tdest = s->d1->handshake_fragment;\n\t\t\tdest_len = &s->d1->handshake_fragment_len;\n\t\t\t}\n\t\telse if (rr->type == SSL3_RT_ALERT)\n\t\t\t{\n\t\t\tdest_maxlen = sizeof(s->d1->alert_fragment);\n\t\t\tdest = s->d1->alert_fragment;\n\t\t\tdest_len = &s->d1->alert_fragment_len;\n\t\t\t}\n else if (rr->type != SSL3_RT_CHANGE_CIPHER_SPEC)\n {\n al=SSL_AD_UNEXPECTED_MESSAGE;\n SSLerr(SSL_F_DTLS1_READ_BYTES,SSL_R_UNEXPECTED_RECORD);\n goto f_err;\n }\n\t\tif (dest_maxlen > 0)\n\t\t\t{\n\t\t\tif ( rr->length < dest_maxlen)\n\t\t\t\t{\n\t\t\t\ts->rstate=SSL_ST_READ_HEADER;\n\t\t\t\trr->length = 0;\n\t\t\t\tgoto start;\n\t\t\t\t}\n\t\t\tfor ( k = 0; k < dest_maxlen; k++)\n\t\t\t\t{\n\t\t\t\tdest[k] = rr->data[rr->off++];\n\t\t\t\trr->length--;\n\t\t\t\t}\n\t\t\t*dest_len = dest_maxlen;\n\t\t\t}\n\t\t}\n\tif ((!s->server) &&\n\t\t(s->d1->handshake_fragment_len >= DTLS1_HM_HEADER_LENGTH) &&\n\t\t(s->d1->handshake_fragment[0] == SSL3_MT_HELLO_REQUEST) &&\n\t\t(s->session != NULL) && (s->session->cipher != NULL))\n\t\t{\n\t\ts->d1->handshake_fragment_len = 0;\n\t\tif ((s->d1->handshake_fragment[1] != 0) ||\n\t\t\t(s->d1->handshake_fragment[2] != 0) ||\n\t\t\t(s->d1->handshake_fragment[3] != 0))\n\t\t\t{\n\t\t\tal=SSL_AD_DECODE_ERROR;\n\t\t\tSSLerr(SSL_F_DTLS1_READ_BYTES,SSL_R_BAD_HELLO_REQUEST);\n\t\t\tgoto err;\n\t\t\t}\n\t\tif (s->msg_callback)\n\t\t\ts->msg_callback(0, s->version, SSL3_RT_HANDSHAKE,\n\t\t\t\ts->d1->handshake_fragment, 4, s, s->msg_callback_arg);\n\t\tif (SSL_is_init_finished(s) &&\n\t\t\t!(s->s3->flags & SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS) &&\n\t\t\t!s->s3->renegotiate)\n\t\t\t{\n\t\t\tssl3_renegotiate(s);\n\t\t\tif (ssl3_renegotiate_check(s))\n\t\t\t\t{\n\t\t\t\ti=s->handshake_func(s);\n\t\t\t\tif (i < 0) return(i);\n\t\t\t\tif (i == 0)\n\t\t\t\t\t{\n\t\t\t\t\tSSLerr(SSL_F_DTLS1_READ_BYTES,SSL_R_SSL_HANDSHAKE_FAILURE);\n\t\t\t\t\treturn(-1);\n\t\t\t\t\t}\n\t\t\t\tif (!(s->mode & SSL_MODE_AUTO_RETRY))\n\t\t\t\t\t{\n\t\t\t\t\tif (s->s3->rbuf.left == 0)\n\t\t\t\t\t\t{\n\t\t\t\t\t\tBIO *bio;\n\t\t\t\t\t\ts->rwstate=SSL_READING;\n\t\t\t\t\t\tbio=SSL_get_rbio(s);\n\t\t\t\t\t\tBIO_clear_retry_flags(bio);\n\t\t\t\t\t\tBIO_set_retry_read(bio);\n\t\t\t\t\t\treturn(-1);\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\tgoto start;\n\t\t}\n\tif (s->d1->alert_fragment_len >= DTLS1_AL_HEADER_LENGTH)\n\t\t{\n\t\tint alert_level = s->d1->alert_fragment[0];\n\t\tint alert_descr = s->d1->alert_fragment[1];\n\t\ts->d1->alert_fragment_len = 0;\n\t\tif (s->msg_callback)\n\t\t\ts->msg_callback(0, s->version, SSL3_RT_ALERT,\n\t\t\t\ts->d1->alert_fragment, 2, s, s->msg_callback_arg);\n\t\tif (s->info_callback != NULL)\n\t\t\tcb=s->info_callback;\n\t\telse if (s->ctx->info_callback != NULL)\n\t\t\tcb=s->ctx->info_callback;\n\t\tif (cb != NULL)\n\t\t\t{\n\t\t\tj = (alert_level << 8) | alert_descr;\n\t\t\tcb(s, SSL_CB_READ_ALERT, j);\n\t\t\t}\n\t\tif (alert_level == 1)\n\t\t\t{\n\t\t\ts->s3->warn_alert = alert_descr;\n\t\t\tif (alert_descr == SSL_AD_CLOSE_NOTIFY)\n\t\t\t\t{\n\t\t\t\ts->shutdown |= SSL_RECEIVED_SHUTDOWN;\n\t\t\t\treturn(0);\n\t\t\t\t}\n#if 0\n\t\t\tif (alert_descr == DTLS1_AD_MISSING_HANDSHAKE_MESSAGE)\n\t\t\t\t{\n\t\t\t\tunsigned short seq;\n\t\t\t\tunsigned int frag_off;\n\t\t\t\tunsigned char *p = &(s->d1->alert_fragment[2]);\n\t\t\t\tn2s(p, seq);\n\t\t\t\tn2l3(p, frag_off);\n\t\t\t\tdtls1_retransmit_message(s, seq, frag_off, &found);\n\t\t\t\tif ( ! found && SSL_in_init(s))\n\t\t\t\t\t{\n\t\t\t\t\tssl3_send_alert(s,SSL3_AL_WARNING,\n\t\t\t\t\t\tDTLS1_AD_MISSING_HANDSHAKE_MESSAGE);\n\t\t\t\t\t}\n\t\t\t\t}\n#endif\n\t\t\t}\n\t\telse if (alert_level == 2)\n\t\t\t{\n\t\t\tchar tmp[16];\n\t\t\ts->rwstate=SSL_NOTHING;\n\t\t\ts->s3->fatal_alert = alert_descr;\n\t\t\tSSLerr(SSL_F_DTLS1_READ_BYTES, SSL_AD_REASON_OFFSET + alert_descr);\n\t\t\tBIO_snprintf(tmp,sizeof tmp,"%d",alert_descr);\n\t\t\tERR_add_error_data(2,"SSL alert number ",tmp);\n\t\t\ts->shutdown|=SSL_RECEIVED_SHUTDOWN;\n\t\t\tSSL_CTX_remove_session(s->ctx,s->session);\n\t\t\treturn(0);\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tal=SSL_AD_ILLEGAL_PARAMETER;\n\t\t\tSSLerr(SSL_F_DTLS1_READ_BYTES,SSL_R_UNKNOWN_ALERT_TYPE);\n\t\t\tgoto f_err;\n\t\t\t}\n\t\tgoto start;\n\t\t}\n\tif (s->shutdown & SSL_SENT_SHUTDOWN)\n\t\t{\n\t\ts->rwstate=SSL_NOTHING;\n\t\trr->length=0;\n\t\treturn(0);\n\t\t}\n\tif (rr->type == SSL3_RT_CHANGE_CIPHER_SPEC)\n\t\t{\n\t\tstruct ccs_header_st ccs_hdr;\n\t\tdtls1_get_ccs_header(rr->data, &ccs_hdr);\n\t\tif (\t(rr->length != DTLS1_CCS_HEADER_LENGTH) ||\n\t\t\t(rr->off != 0) || (rr->data[0] != SSL3_MT_CCS))\n\t\t\t{\n\t\t\ti=SSL_AD_ILLEGAL_PARAMETER;\n\t\t\tSSLerr(SSL_F_DTLS1_READ_BYTES,SSL_R_BAD_CHANGE_CIPHER_SPEC);\n\t\t\tgoto err;\n\t\t\t}\n\t\trr->length=0;\n\t\tif (s->msg_callback)\n\t\t\ts->msg_callback(0, s->version, SSL3_RT_CHANGE_CIPHER_SPEC,\n\t\t\t\trr->data, 1, s, s->msg_callback_arg);\n\t\ts->s3->change_cipher_spec=1;\n\t\tif (!ssl3_do_change_cipher_spec(s))\n\t\t\tgoto err;\n\t\tdtls1_reset_seq_numbers(s, SSL3_CC_READ);\n\t\tgoto start;\n\t\t}\n\tif ((s->d1->handshake_fragment_len >= DTLS1_HM_HEADER_LENGTH) &&\n\t\t!s->in_handshake)\n\t\t{\n\t\tstruct hm_header_st msg_hdr;\n\t\tdtls1_get_message_header(rr->data, &msg_hdr);\n\t\tif( rr->epoch != s->d1->r_epoch)\n\t\t\t{\n\t\t\trr->length = 0;\n\t\t\tgoto start;\n\t\t\t}\n\t\tif (((s->state&SSL_ST_MASK) == SSL_ST_OK) &&\n\t\t\t!(s->s3->flags & SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS))\n\t\t\t{\n#if 0\n\t\t\ts->state=SSL_ST_BEFORE|(s->server)\n\t\t\t\t?SSL_ST_ACCEPT\n\t\t\t\t:SSL_ST_CONNECT;\n#else\n\t\t\ts->state = s->server ? SSL_ST_ACCEPT : SSL_ST_CONNECT;\n#endif\n\t\t\ts->new_session=1;\n\t\t\t}\n\t\ti=s->handshake_func(s);\n\t\tif (i < 0) return(i);\n\t\tif (i == 0)\n\t\t\t{\n\t\t\tSSLerr(SSL_F_DTLS1_READ_BYTES,SSL_R_SSL_HANDSHAKE_FAILURE);\n\t\t\treturn(-1);\n\t\t\t}\n\t\tif (!(s->mode & SSL_MODE_AUTO_RETRY))\n\t\t\t{\n\t\t\tif (s->s3->rbuf.left == 0)\n\t\t\t\t{\n\t\t\t\tBIO *bio;\n\t\t\t\ts->rwstate=SSL_READING;\n\t\t\t\tbio=SSL_get_rbio(s);\n\t\t\t\tBIO_clear_retry_flags(bio);\n\t\t\t\tBIO_set_retry_read(bio);\n\t\t\t\treturn(-1);\n\t\t\t\t}\n\t\t\t}\n\t\tgoto start;\n\t\t}\n\tswitch (rr->type)\n\t\t{\n\tdefault:\n#ifndef OPENSSL_NO_TLS\n\t\tif (s->version == TLS1_VERSION)\n\t\t\t{\n\t\t\trr->length = 0;\n\t\t\tgoto start;\n\t\t\t}\n#endif\n\t\tal=SSL_AD_UNEXPECTED_MESSAGE;\n\t\tSSLerr(SSL_F_DTLS1_READ_BYTES,SSL_R_UNEXPECTED_RECORD);\n\t\tgoto f_err;\n\tcase SSL3_RT_CHANGE_CIPHER_SPEC:\n\tcase SSL3_RT_ALERT:\n\tcase SSL3_RT_HANDSHAKE:\n\t\tal=SSL_AD_UNEXPECTED_MESSAGE;\n\t\tSSLerr(SSL_F_DTLS1_READ_BYTES,ERR_R_INTERNAL_ERROR);\n\t\tgoto f_err;\n\tcase SSL3_RT_APPLICATION_DATA:\n\t\tif (s->s3->in_read_app_data &&\n\t\t\t(s->s3->total_renegotiations != 0) &&\n\t\t\t((\n\t\t\t\t(s->state & SSL_ST_CONNECT) &&\n\t\t\t\t(s->state >= SSL3_ST_CW_CLNT_HELLO_A) &&\n\t\t\t\t(s->state <= SSL3_ST_CR_SRVR_HELLO_A)\n\t\t\t\t) || (\n\t\t\t\t\t(s->state & SSL_ST_ACCEPT) &&\n\t\t\t\t\t(s->state <= SSL3_ST_SW_HELLO_REQ_A) &&\n\t\t\t\t\t(s->state >= SSL3_ST_SR_CLNT_HELLO_A)\n\t\t\t\t\t)\n\t\t\t\t))\n\t\t\t{\n\t\t\ts->s3->in_read_app_data=2;\n\t\t\treturn(-1);\n\t\t\t}\n\t\telse\n\t\t\t{\n\t\t\tal=SSL_AD_UNEXPECTED_MESSAGE;\n\t\t\tSSLerr(SSL_F_DTLS1_READ_BYTES,SSL_R_UNEXPECTED_RECORD);\n\t\t\tgoto f_err;\n\t\t\t}\n\t\t}\nf_err:\n\tssl3_send_alert(s,SSL3_AL_FATAL,al);\nerr:\n\treturn(-1);\n\t}', 'int SSL_CTX_remove_session(SSL_CTX *ctx, SSL_SESSION *c)\n{\n\treturn remove_session_lock(ctx, c, 1);\n}', 'static int remove_session_lock(SSL_CTX *ctx, SSL_SESSION *c, int lck)\n\t{\n\tSSL_SESSION *r;\n\tint ret=0;\n\tif ((c != NULL) && (c->session_id_length != 0))\n\t\t{\n\t\tif(lck) CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);\n\t\tif ((r = lh_SSL_SESSION_retrieve(ctx->sessions,c)) == c)\n\t\t\t{\n\t\t\tret=1;\n\t\t\tr=lh_SSL_SESSION_delete(ctx->sessions,c);\n\t\t\tSSL_SESSION_list_remove(ctx,c);\n\t\t\t}\n\t\tif(lck) CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);\n\t\tif (ret)\n\t\t\t{\n\t\t\tr->not_resumable=1;\n\t\t\tif (ctx->remove_session_cb != NULL)\n\t\t\t\tctx->remove_session_cb(ctx,r);\n\t\t\tSSL_SESSION_free(r);\n\t\t\t}\n\t\t}\n\telse\n\t\tret=0;\n\treturn(ret);\n\t}', 'void *lh_delete(_LHASH *lh, const void *data)\n\t{\n\tunsigned long hash;\n\tLHASH_NODE *nn,**rn;\n\tvoid *ret;\n\tlh->error=0;\n\trn=getrn(lh,data,&hash);\n\tif (*rn == NULL)\n\t\t{\n\t\tlh->num_no_delete++;\n\t\treturn(NULL);\n\t\t}\n\telse\n\t\t{\n\t\tnn= *rn;\n\t\t*rn=nn->next;\n\t\tret=nn->data;\n\t\tOPENSSL_free(nn);\n\t\tlh->num_delete++;\n\t\t}\n\tlh->num_items--;\n\tif ((lh->num_nodes > MIN_NODES) &&\n\t\t(lh->down_load >= (lh->num_items*LH_LOAD_MULT/lh->num_nodes)))\n\t\tcontract(lh);\n\treturn(ret);\n\t}'] |
11,795 | 0 | https://github.com/openssl/openssl/blob/d00b1d62d62036dc21c78658a28da4a6279e6fe2/crypto/bn/bn_lib.c/#L800 | void BN_consttime_swap(BN_ULONG condition, BIGNUM *a, BIGNUM *b, int nwords)
{
BN_ULONG t;
int i;
bn_wcheck_size(a, nwords);
bn_wcheck_size(b, nwords);
assert(a != b);
assert((condition & (condition - 1)) == 0);
assert(sizeof(BN_ULONG) >= sizeof(int));
condition = ((condition - 1) >> (BN_BITS2 - 1)) - 1;
t = (a->top^b->top) & condition;
a->top ^= t;
b->top ^= t;
#define BN_CONSTTIME_SWAP(ind) \
do { \
t = (a->d[ind] ^ b->d[ind]) & condition; \
a->d[ind] ^= t; \
b->d[ind] ^= t; \
} while (0)
switch (nwords) {
default:
for (i = 10; i < nwords; i++)
BN_CONSTTIME_SWAP(i);
case 10: BN_CONSTTIME_SWAP(9);
case 9: BN_CONSTTIME_SWAP(8);
case 8: BN_CONSTTIME_SWAP(7);
case 7: BN_CONSTTIME_SWAP(6);
case 6: BN_CONSTTIME_SWAP(5);
case 5: BN_CONSTTIME_SWAP(4);
case 4: BN_CONSTTIME_SWAP(3);
case 3: BN_CONSTTIME_SWAP(2);
case 2: BN_CONSTTIME_SWAP(1);
case 1: BN_CONSTTIME_SWAP(0);
}
#undef BN_CONSTTIME_SWAP
} | ['static int ec_GF2m_montgomery_point_multiply(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar,\n\tconst EC_POINT *point, BN_CTX *ctx)\n\t{\n\tBIGNUM *x1, *x2, *z1, *z2;\n\tint ret = 0, i;\n\tBN_ULONG mask,word;\n\tif (r == point)\n\t\t{\n\t\tECerr(EC_F_EC_GF2M_MONTGOMERY_POINT_MULTIPLY, EC_R_INVALID_ARGUMENT);\n\t\treturn 0;\n\t\t}\n\tif ((scalar == NULL) || BN_is_zero(scalar) || (point == NULL) ||\n\t\tEC_POINT_is_at_infinity(group, point))\n\t\t{\n\t\treturn EC_POINT_set_to_infinity(group, r);\n\t\t}\n\tif (!point->Z_is_one) return 0;\n\tBN_CTX_start(ctx);\n\tx1 = BN_CTX_get(ctx);\n\tz1 = BN_CTX_get(ctx);\n\tif (z1 == NULL) goto err;\n\tx2 = r->X;\n\tz2 = r->Y;\n\tbn_wexpand(x1, bn_get_top(group->field));\n\tbn_wexpand(z1, bn_get_top(group->field));\n\tbn_wexpand(x2, bn_get_top(group->field));\n\tbn_wexpand(z2, bn_get_top(group->field));\n\tif (!BN_GF2m_mod_arr(x1, point->X, group->poly)) goto err;\n\tif (!BN_one(z1)) goto err;\n\tif (!group->meth->field_sqr(group, z2, x1, ctx)) goto err;\n\tif (!group->meth->field_sqr(group, x2, z2, ctx)) goto err;\n\tif (!BN_GF2m_add(x2, x2, group->b)) goto err;\n\ti = bn_get_top(scalar) - 1;\n\tmask = BN_TBIT;\n\tword = bn_get_words(scalar)[i];\n\twhile (!(word & mask)) mask >>= 1;\n\tmask >>= 1;\n\tif (!mask)\n\t\t{\n\t\ti--;\n\t\tmask = BN_TBIT;\n\t\t}\n\tfor (; i >= 0; i--)\n\t\t{\n\t\tword = bn_get_words(scalar)[i];\n\t\twhile (mask)\n\t\t\t{\n\t\t\tBN_consttime_swap(word & mask, x1, x2, bn_get_top(group->field));\n\t\t\tBN_consttime_swap(word & mask, z1, z2, bn_get_top(group->field));\n\t\t\tif (!gf2m_Madd(group, point->X, x2, z2, x1, z1, ctx)) goto err;\n\t\t\tif (!gf2m_Mdouble(group, x1, z1, ctx)) goto err;\n\t\t\tBN_consttime_swap(word & mask, x1, x2, bn_get_top(group->field));\n\t\t\tBN_consttime_swap(word & mask, z1, z2, bn_get_top(group->field));\n\t\t\tmask >>= 1;\n\t\t\t}\n\t\tmask = BN_TBIT;\n\t\t}\n\ti = gf2m_Mxy(group, point->X, point->Y, x1, z1, x2, z2, ctx);\n\tif (i == 0) goto err;\n\telse if (i == 1)\n\t\t{\n\t\tif (!EC_POINT_set_to_infinity(group, r)) goto err;\n\t\t}\n\telse\n\t\t{\n\t\tif (!BN_one(r->Z)) goto err;\n\t\tr->Z_is_one = 1;\n\t\t}\n\tBN_set_negative(r->X, 0);\n\tBN_set_negative(r->Y, 0);\n\tret = 1;\n err:\n\tBN_CTX_end(ctx);\n\treturn ret;\n\t}', 'void BN_consttime_swap(BN_ULONG condition, BIGNUM *a, BIGNUM *b, int nwords)\n\t{\n\tBN_ULONG t;\n\tint i;\n\tbn_wcheck_size(a, nwords);\n\tbn_wcheck_size(b, nwords);\n\tassert(a != b);\n\tassert((condition & (condition - 1)) == 0);\n\tassert(sizeof(BN_ULONG) >= sizeof(int));\n\tcondition = ((condition - 1) >> (BN_BITS2 - 1)) - 1;\n\tt = (a->top^b->top) & condition;\n\ta->top ^= t;\n\tb->top ^= t;\n#define BN_CONSTTIME_SWAP(ind) \\\n\tdo { \\\n\t\tt = (a->d[ind] ^ b->d[ind]) & condition; \\\n\t\ta->d[ind] ^= t; \\\n\t\tb->d[ind] ^= t; \\\n\t} while (0)\n\tswitch (nwords) {\n\tdefault:\n\t\tfor (i = 10; i < nwords; i++)\n\t\t\tBN_CONSTTIME_SWAP(i);\n\tcase 10: BN_CONSTTIME_SWAP(9);\n\tcase 9: BN_CONSTTIME_SWAP(8);\n\tcase 8: BN_CONSTTIME_SWAP(7);\n\tcase 7: BN_CONSTTIME_SWAP(6);\n\tcase 6: BN_CONSTTIME_SWAP(5);\n\tcase 5: BN_CONSTTIME_SWAP(4);\n\tcase 4: BN_CONSTTIME_SWAP(3);\n\tcase 3: BN_CONSTTIME_SWAP(2);\n\tcase 2: BN_CONSTTIME_SWAP(1);\n\tcase 1: BN_CONSTTIME_SWAP(0);\n\t}\n#undef BN_CONSTTIME_SWAP\n}'] |
11,796 | 0 | https://github.com/openssl/openssl/blob/4b8515baa6edef1a771f9e4e3fbc0395b4a629e8/crypto/bn/bn_gf2m.c/#L628 | int BN_GF2m_mod_inv(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, BN_CTX *ctx)
{
BIGNUM *b, *c = NULL, *u = NULL, *v = NULL, *tmp;
int ret = 0;
bn_check_top(a);
bn_check_top(p);
BN_CTX_start(ctx);
b = BN_CTX_get(ctx);
c = BN_CTX_get(ctx);
u = BN_CTX_get(ctx);
v = BN_CTX_get(ctx);
if (v == NULL)
goto err;
if (!BN_GF2m_mod(u, a, p))
goto err;
if (BN_is_zero(u))
goto err;
if (!BN_copy(v, p))
goto err;
# if 0
if (!BN_one(b))
goto err;
while (1) {
while (!BN_is_odd(u)) {
if (BN_is_zero(u))
goto err;
if (!BN_rshift1(u, u))
goto err;
if (BN_is_odd(b)) {
if (!BN_GF2m_add(b, b, p))
goto err;
}
if (!BN_rshift1(b, b))
goto err;
}
if (BN_abs_is_word(u, 1))
break;
if (BN_num_bits(u) < BN_num_bits(v)) {
tmp = u;
u = v;
v = tmp;
tmp = b;
b = c;
c = tmp;
}
if (!BN_GF2m_add(u, u, v))
goto err;
if (!BN_GF2m_add(b, b, c))
goto err;
}
# else
{
int i;
int ubits = BN_num_bits(u);
int vbits = BN_num_bits(v);
int top = p->top;
BN_ULONG *udp, *bdp, *vdp, *cdp;
if (!bn_wexpand(u, top))
goto err;
udp = u->d;
for (i = u->top; i < top; i++)
udp[i] = 0;
u->top = top;
if (!bn_wexpand(b, top))
goto err;
bdp = b->d;
bdp[0] = 1;
for (i = 1; i < top; i++)
bdp[i] = 0;
b->top = top;
if (!bn_wexpand(c, top))
goto err;
cdp = c->d;
for (i = 0; i < top; i++)
cdp[i] = 0;
c->top = top;
vdp = v->d;
while (1) {
while (ubits && !(udp[0] & 1)) {
BN_ULONG u0, u1, b0, b1, mask;
u0 = udp[0];
b0 = bdp[0];
mask = (BN_ULONG)0 - (b0 & 1);
b0 ^= p->d[0] & mask;
for (i = 0; i < top - 1; i++) {
u1 = udp[i + 1];
udp[i] = ((u0 >> 1) | (u1 << (BN_BITS2 - 1))) & BN_MASK2;
u0 = u1;
b1 = bdp[i + 1] ^ (p->d[i + 1] & mask);
bdp[i] = ((b0 >> 1) | (b1 << (BN_BITS2 - 1))) & BN_MASK2;
b0 = b1;
}
udp[i] = u0 >> 1;
bdp[i] = b0 >> 1;
ubits--;
}
if (ubits <= BN_BITS2) {
if (udp[0] == 0)
goto err;
if (udp[0] == 1)
break;
}
if (ubits < vbits) {
i = ubits;
ubits = vbits;
vbits = i;
tmp = u;
u = v;
v = tmp;
tmp = b;
b = c;
c = tmp;
udp = vdp;
vdp = v->d;
bdp = cdp;
cdp = c->d;
}
for (i = 0; i < top; i++) {
udp[i] ^= vdp[i];
bdp[i] ^= cdp[i];
}
if (ubits == vbits) {
BN_ULONG ul;
int utop = (ubits - 1) / BN_BITS2;
while ((ul = udp[utop]) == 0 && utop)
utop--;
ubits = utop * BN_BITS2 + BN_num_bits_word(ul);
}
}
bn_correct_top(b);
}
# endif
if (!BN_copy(r, b))
goto err;
bn_check_top(r);
ret = 1;
err:
# ifdef BN_DEBUG
bn_correct_top(c);
bn_correct_top(u);
bn_correct_top(v);
# endif
BN_CTX_end(ctx);
return ret;
} | ['int BN_GF2m_mod_inv_arr(BIGNUM *r, const BIGNUM *xx, const int p[],\n BN_CTX *ctx)\n{\n BIGNUM *field;\n int ret = 0;\n bn_check_top(xx);\n BN_CTX_start(ctx);\n if ((field = BN_CTX_get(ctx)) == NULL)\n goto err;\n if (!BN_GF2m_arr2poly(p, field))\n goto err;\n ret = BN_GF2m_mod_inv(r, xx, field, ctx);\n bn_check_top(r);\n err:\n BN_CTX_end(ctx);\n return ret;\n}', 'BIGNUM *BN_CTX_get(BN_CTX *ctx)\n{\n BIGNUM *ret;\n CTXDBG_ENTRY("BN_CTX_get", ctx);\n if (ctx->err_stack || ctx->too_many)\n return NULL;\n if ((ret = BN_POOL_get(&ctx->pool, ctx->flags)) == NULL) {\n ctx->too_many = 1;\n BNerr(BN_F_BN_CTX_GET, BN_R_TOO_MANY_TEMPORARY_VARIABLES);\n return NULL;\n }\n BN_zero(ret);\n ctx->used++;\n CTXDBG_RET(ctx, ret);\n return ret;\n}', 'int BN_set_word(BIGNUM *a, BN_ULONG w)\n{\n bn_check_top(a);\n if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)\n return (0);\n a->neg = 0;\n a->d[0] = w;\n a->top = (w ? 1 : 0);\n bn_check_top(a);\n return (1);\n}', 'int BN_GF2m_mod_inv(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, BN_CTX *ctx)\n{\n BIGNUM *b, *c = NULL, *u = NULL, *v = NULL, *tmp;\n int ret = 0;\n bn_check_top(a);\n bn_check_top(p);\n BN_CTX_start(ctx);\n b = BN_CTX_get(ctx);\n c = BN_CTX_get(ctx);\n u = BN_CTX_get(ctx);\n v = BN_CTX_get(ctx);\n if (v == NULL)\n goto err;\n if (!BN_GF2m_mod(u, a, p))\n goto err;\n if (BN_is_zero(u))\n goto err;\n if (!BN_copy(v, p))\n goto err;\n# if 0\n if (!BN_one(b))\n goto err;\n while (1) {\n while (!BN_is_odd(u)) {\n if (BN_is_zero(u))\n goto err;\n if (!BN_rshift1(u, u))\n goto err;\n if (BN_is_odd(b)) {\n if (!BN_GF2m_add(b, b, p))\n goto err;\n }\n if (!BN_rshift1(b, b))\n goto err;\n }\n if (BN_abs_is_word(u, 1))\n break;\n if (BN_num_bits(u) < BN_num_bits(v)) {\n tmp = u;\n u = v;\n v = tmp;\n tmp = b;\n b = c;\n c = tmp;\n }\n if (!BN_GF2m_add(u, u, v))\n goto err;\n if (!BN_GF2m_add(b, b, c))\n goto err;\n }\n# else\n {\n int i;\n int ubits = BN_num_bits(u);\n int vbits = BN_num_bits(v);\n int top = p->top;\n BN_ULONG *udp, *bdp, *vdp, *cdp;\n if (!bn_wexpand(u, top))\n goto err;\n udp = u->d;\n for (i = u->top; i < top; i++)\n udp[i] = 0;\n u->top = top;\n if (!bn_wexpand(b, top))\n goto err;\n bdp = b->d;\n bdp[0] = 1;\n for (i = 1; i < top; i++)\n bdp[i] = 0;\n b->top = top;\n if (!bn_wexpand(c, top))\n goto err;\n cdp = c->d;\n for (i = 0; i < top; i++)\n cdp[i] = 0;\n c->top = top;\n vdp = v->d;\n while (1) {\n while (ubits && !(udp[0] & 1)) {\n BN_ULONG u0, u1, b0, b1, mask;\n u0 = udp[0];\n b0 = bdp[0];\n mask = (BN_ULONG)0 - (b0 & 1);\n b0 ^= p->d[0] & mask;\n for (i = 0; i < top - 1; i++) {\n u1 = udp[i + 1];\n udp[i] = ((u0 >> 1) | (u1 << (BN_BITS2 - 1))) & BN_MASK2;\n u0 = u1;\n b1 = bdp[i + 1] ^ (p->d[i + 1] & mask);\n bdp[i] = ((b0 >> 1) | (b1 << (BN_BITS2 - 1))) & BN_MASK2;\n b0 = b1;\n }\n udp[i] = u0 >> 1;\n bdp[i] = b0 >> 1;\n ubits--;\n }\n if (ubits <= BN_BITS2) {\n if (udp[0] == 0)\n goto err;\n if (udp[0] == 1)\n break;\n }\n if (ubits < vbits) {\n i = ubits;\n ubits = vbits;\n vbits = i;\n tmp = u;\n u = v;\n v = tmp;\n tmp = b;\n b = c;\n c = tmp;\n udp = vdp;\n vdp = v->d;\n bdp = cdp;\n cdp = c->d;\n }\n for (i = 0; i < top; i++) {\n udp[i] ^= vdp[i];\n bdp[i] ^= cdp[i];\n }\n if (ubits == vbits) {\n BN_ULONG ul;\n int utop = (ubits - 1) / BN_BITS2;\n while ((ul = udp[utop]) == 0 && utop)\n utop--;\n ubits = utop * BN_BITS2 + BN_num_bits_word(ul);\n }\n }\n bn_correct_top(b);\n }\n# endif\n if (!BN_copy(r, b))\n goto err;\n bn_check_top(r);\n ret = 1;\n err:\n# ifdef BN_DEBUG\n bn_correct_top(c);\n bn_correct_top(u);\n bn_correct_top(v);\n# endif\n BN_CTX_end(ctx);\n return ret;\n}', 'static ossl_inline BIGNUM *bn_expand(BIGNUM *a, int bits)\n{\n if (bits > (INT_MAX - BN_BITS2 + 1))\n return NULL;\n if (((bits+BN_BITS2-1)/BN_BITS2) <= (a)->dmax)\n return a;\n return bn_expand2((a),(bits+BN_BITS2-1)/BN_BITS2);\n}'] |
11,797 | 0 | https://github.com/libav/libav/blob/99ccd2ba10eac2b282c272ad9e75f082123c765a/libavcodec/wmaprodec.c/#L849 | static int decode_coeffs(WMAProDecodeCtx *s, int c)
{
static const uint32_t fval_tab[16] = {
0x00000000, 0x3f800000, 0x40000000, 0x40400000,
0x40800000, 0x40a00000, 0x40c00000, 0x40e00000,
0x41000000, 0x41100000, 0x41200000, 0x41300000,
0x41400000, 0x41500000, 0x41600000, 0x41700000,
};
int vlctable;
VLC* vlc;
WMAProChannelCtx* ci = &s->channel[c];
int rl_mode = 0;
int cur_coeff = 0;
int num_zeros = 0;
const uint16_t* run;
const float* level;
av_dlog(s->avctx, "decode coefficients for channel %i\n", c);
vlctable = get_bits1(&s->gb);
vlc = &coef_vlc[vlctable];
if (vlctable) {
run = coef1_run;
level = coef1_level;
} else {
run = coef0_run;
level = coef0_level;
}
while ((s->transmit_num_vec_coeffs || !rl_mode) &&
(cur_coeff + 3 < ci->num_vec_coeffs)) {
uint32_t vals[4];
int i;
unsigned int idx;
idx = get_vlc2(&s->gb, vec4_vlc.table, VLCBITS, VEC4MAXDEPTH);
if (idx == HUFF_VEC4_SIZE - 1) {
for (i = 0; i < 4; i += 2) {
idx = get_vlc2(&s->gb, vec2_vlc.table, VLCBITS, VEC2MAXDEPTH);
if (idx == HUFF_VEC2_SIZE - 1) {
uint32_t v0, v1;
v0 = get_vlc2(&s->gb, vec1_vlc.table, VLCBITS, VEC1MAXDEPTH);
if (v0 == HUFF_VEC1_SIZE - 1)
v0 += ff_wma_get_large_val(&s->gb);
v1 = get_vlc2(&s->gb, vec1_vlc.table, VLCBITS, VEC1MAXDEPTH);
if (v1 == HUFF_VEC1_SIZE - 1)
v1 += ff_wma_get_large_val(&s->gb);
vals[i ] = av_float2int(v0);
vals[i+1] = av_float2int(v1);
} else {
vals[i] = fval_tab[symbol_to_vec2[idx] >> 4 ];
vals[i+1] = fval_tab[symbol_to_vec2[idx] & 0xF];
}
}
} else {
vals[0] = fval_tab[ symbol_to_vec4[idx] >> 12 ];
vals[1] = fval_tab[(symbol_to_vec4[idx] >> 8) & 0xF];
vals[2] = fval_tab[(symbol_to_vec4[idx] >> 4) & 0xF];
vals[3] = fval_tab[ symbol_to_vec4[idx] & 0xF];
}
for (i = 0; i < 4; i++) {
if (vals[i]) {
uint32_t sign = get_bits1(&s->gb) - 1;
AV_WN32A(&ci->coeffs[cur_coeff], vals[i] ^ sign << 31);
num_zeros = 0;
} else {
ci->coeffs[cur_coeff] = 0;
rl_mode |= (++num_zeros > s->subframe_len >> 8);
}
++cur_coeff;
}
}
if (cur_coeff < s->subframe_len) {
memset(&ci->coeffs[cur_coeff], 0,
sizeof(*ci->coeffs) * (s->subframe_len - cur_coeff));
if (ff_wma_run_level_decode(s->avctx, &s->gb, vlc,
level, run, 1, ci->coeffs,
cur_coeff, s->subframe_len,
s->subframe_len, s->esc_len, 0))
return AVERROR_INVALIDDATA;
}
return 0;
} | ['static int decode_coeffs(WMAProDecodeCtx *s, int c)\n{\n static const uint32_t fval_tab[16] = {\n 0x00000000, 0x3f800000, 0x40000000, 0x40400000,\n 0x40800000, 0x40a00000, 0x40c00000, 0x40e00000,\n 0x41000000, 0x41100000, 0x41200000, 0x41300000,\n 0x41400000, 0x41500000, 0x41600000, 0x41700000,\n };\n int vlctable;\n VLC* vlc;\n WMAProChannelCtx* ci = &s->channel[c];\n int rl_mode = 0;\n int cur_coeff = 0;\n int num_zeros = 0;\n const uint16_t* run;\n const float* level;\n av_dlog(s->avctx, "decode coefficients for channel %i\\n", c);\n vlctable = get_bits1(&s->gb);\n vlc = &coef_vlc[vlctable];\n if (vlctable) {\n run = coef1_run;\n level = coef1_level;\n } else {\n run = coef0_run;\n level = coef0_level;\n }\n while ((s->transmit_num_vec_coeffs || !rl_mode) &&\n (cur_coeff + 3 < ci->num_vec_coeffs)) {\n uint32_t vals[4];\n int i;\n unsigned int idx;\n idx = get_vlc2(&s->gb, vec4_vlc.table, VLCBITS, VEC4MAXDEPTH);\n if (idx == HUFF_VEC4_SIZE - 1) {\n for (i = 0; i < 4; i += 2) {\n idx = get_vlc2(&s->gb, vec2_vlc.table, VLCBITS, VEC2MAXDEPTH);\n if (idx == HUFF_VEC2_SIZE - 1) {\n uint32_t v0, v1;\n v0 = get_vlc2(&s->gb, vec1_vlc.table, VLCBITS, VEC1MAXDEPTH);\n if (v0 == HUFF_VEC1_SIZE - 1)\n v0 += ff_wma_get_large_val(&s->gb);\n v1 = get_vlc2(&s->gb, vec1_vlc.table, VLCBITS, VEC1MAXDEPTH);\n if (v1 == HUFF_VEC1_SIZE - 1)\n v1 += ff_wma_get_large_val(&s->gb);\n vals[i ] = av_float2int(v0);\n vals[i+1] = av_float2int(v1);\n } else {\n vals[i] = fval_tab[symbol_to_vec2[idx] >> 4 ];\n vals[i+1] = fval_tab[symbol_to_vec2[idx] & 0xF];\n }\n }\n } else {\n vals[0] = fval_tab[ symbol_to_vec4[idx] >> 12 ];\n vals[1] = fval_tab[(symbol_to_vec4[idx] >> 8) & 0xF];\n vals[2] = fval_tab[(symbol_to_vec4[idx] >> 4) & 0xF];\n vals[3] = fval_tab[ symbol_to_vec4[idx] & 0xF];\n }\n for (i = 0; i < 4; i++) {\n if (vals[i]) {\n uint32_t sign = get_bits1(&s->gb) - 1;\n AV_WN32A(&ci->coeffs[cur_coeff], vals[i] ^ sign << 31);\n num_zeros = 0;\n } else {\n ci->coeffs[cur_coeff] = 0;\n rl_mode |= (++num_zeros > s->subframe_len >> 8);\n }\n ++cur_coeff;\n }\n }\n if (cur_coeff < s->subframe_len) {\n memset(&ci->coeffs[cur_coeff], 0,\n sizeof(*ci->coeffs) * (s->subframe_len - cur_coeff));\n if (ff_wma_run_level_decode(s->avctx, &s->gb, vlc,\n level, run, 1, ci->coeffs,\n cur_coeff, s->subframe_len,\n s->subframe_len, s->esc_len, 0))\n return AVERROR_INVALIDDATA;\n }\n return 0;\n}', 'static inline unsigned int get_bits1(GetBitContext *s)\n{\n unsigned int index = s->index;\n uint8_t result = s->buffer[index >> 3];\n#ifdef BITSTREAM_READER_LE\n result >>= index & 7;\n result &= 1;\n#else\n result <<= index & 7;\n result >>= 8 - 1;\n#endif\n#if !UNCHECKED_BITSTREAM_READER\n if (s->index < s->size_in_bits_plus8)\n#endif\n index++;\n s->index = index;\n return result;\n}'] |
11,798 | 0 | https://github.com/libav/libav/blob/587874ef1c94a9b863d2f2db0e5d341e086ee232/libavcodec/rangecoder.h/#L87 | static inline void put_rac(RangeCoder *c, uint8_t *const state, int bit)
{
int range1 = (c->range * (*state)) >> 8;
assert(*state);
assert(range1 < c->range);
assert(range1 > 0);
if (!bit) {
c->range -= range1;
*state = c->zero_state[*state];
} else {
c->low += c->range - range1;
c->range = range1;
*state = c->one_state[*state];
}
renorm_encoder(c);
} | ['static int write_extradata(FFV1Context *f)\n{\n RangeCoder *const c = &f->c;\n uint8_t state[CONTEXT_SIZE];\n int i, j, k;\n uint8_t state2[32][CONTEXT_SIZE];\n unsigned v;\n memset(state2, 128, sizeof(state2));\n memset(state, 128, sizeof(state));\n f->avctx->extradata_size = 10000 + 4 +\n (11 * 11 * 5 * 5 * 5 + 11 * 11 * 11) * 32;\n f->avctx->extradata = av_malloc(f->avctx->extradata_size);\n ff_init_range_encoder(c, f->avctx->extradata, f->avctx->extradata_size);\n ff_build_rac_states(c, 0.05 * (1LL << 32), 256 - 8);\n put_symbol(c, state, f->version, 0);\n if (f->version > 2) {\n if (f->version == 3)\n f->minor_version = 2;\n put_symbol(c, state, f->minor_version, 0);\n }\n put_symbol(c, state, f->ac, 0);\n if (f->ac > 1)\n for (i = 1; i < 256; i++)\n put_symbol(c, state, f->state_transition[i] - c->one_state[i], 1);\n put_symbol(c, state, f->colorspace, 0);\n put_symbol(c, state, f->bits_per_raw_sample, 0);\n put_rac(c, state, f->chroma_planes);\n put_symbol(c, state, f->chroma_h_shift, 0);\n put_symbol(c, state, f->chroma_v_shift, 0);\n put_rac(c, state, f->transparency);\n put_symbol(c, state, f->num_h_slices - 1, 0);\n put_symbol(c, state, f->num_v_slices - 1, 0);\n put_symbol(c, state, f->quant_table_count, 0);\n for (i = 0; i < f->quant_table_count; i++)\n write_quant_tables(c, f->quant_tables[i]);\n for (i = 0; i < f->quant_table_count; i++) {\n for (j = 0; j < f->context_count[i] * CONTEXT_SIZE; j++)\n if (f->initial_states[i] && f->initial_states[i][0][j] != 128)\n break;\n if (j < f->context_count[i] * CONTEXT_SIZE) {\n put_rac(c, state, 1);\n for (j = 0; j < f->context_count[i]; j++)\n for (k = 0; k < CONTEXT_SIZE; k++) {\n int pred = j ? f->initial_states[i][j - 1][k] : 128;\n put_symbol(c, state2[k],\n (int8_t)(f->initial_states[i][j][k] - pred), 1);\n }\n } else {\n put_rac(c, state, 0);\n }\n }\n if (f->version > 2) {\n put_symbol(c, state, f->ec, 0);\n }\n f->avctx->extradata_size = ff_rac_terminate(c);\n v = av_crc(av_crc_get_table(AV_CRC_32_IEEE), 0,\n f->avctx->extradata, f->avctx->extradata_size);\n AV_WL32(f->avctx->extradata + f->avctx->extradata_size, v);\n f->avctx->extradata_size += 4;\n return 0;\n}', 'static av_noinline void put_symbol(RangeCoder *c, uint8_t *state,\n int v, int is_signed)\n{\n put_symbol_inline(c, state, v, is_signed, NULL, NULL);\n}', 'static av_always_inline av_flatten void put_symbol_inline(RangeCoder *c,\n uint8_t *state, int v,\n int is_signed,\n uint64_t rc_stat[256][2],\n uint64_t rc_stat2[32][2])\n{\n int i;\n#define put_rac(C, S, B) \\\n do { \\\n if (rc_stat) { \\\n rc_stat[*(S)][B]++; \\\n rc_stat2[(S) - state][B]++; \\\n } \\\n put_rac(C, S, B); \\\n } while (0)\n if (v) {\n const int a = FFABS(v);\n const int e = av_log2(a);\n put_rac(c, state + 0, 0);\n if (e <= 9) {\n for (i = 0; i < e; i++)\n put_rac(c, state + 1 + i, 1);\n put_rac(c, state + 1 + i, 0);\n for (i = e - 1; i >= 0; i--)\n put_rac(c, state + 22 + i, (a >> i) & 1);\n if (is_signed)\n put_rac(c, state + 11 + e, v < 0);\n } else {\n for (i = 0; i < e; i++)\n put_rac(c, state + 1 + FFMIN(i, 9), 1);\n put_rac(c, state + 1 + 9, 0);\n for (i = e - 1; i >= 0; i--)\n put_rac(c, state + 22 + FFMIN(i, 9), (a >> i) & 1);\n if (is_signed)\n put_rac(c, state + 11 + 10, v < 0);\n }\n } else {\n put_rac(c, state + 0, 1);\n }\n#undef put_rac\n}', 'static inline void put_rac(RangeCoder *c, uint8_t *const state, int bit)\n{\n int range1 = (c->range * (*state)) >> 8;\n assert(*state);\n assert(range1 < c->range);\n assert(range1 > 0);\n if (!bit) {\n c->range -= range1;\n *state = c->zero_state[*state];\n } else {\n c->low += c->range - range1;\n c->range = range1;\n *state = c->one_state[*state];\n }\n renorm_encoder(c);\n}'] |
11,799 | 0 | https://github.com/libav/libav/blob/dad7a9c7c0ae8ebc56f2e3a24e6fa4da5c2cd491/libavcodec/bitstream.h/#L139 | 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;
} | ['static int svq3_decode_frame(AVCodecContext *avctx, void *data,\n int *got_frame, AVPacket *avpkt)\n{\n const uint8_t *buf = avpkt->data;\n SVQ3Context *s = avctx->priv_data;\n int buf_size = avpkt->size;\n int ret, m, i;\n if (buf_size == 0) {\n if (s->next_pic->f->data[0] && !s->low_delay && !s->last_frame_output) {\n ret = av_frame_ref(data, s->next_pic->f);\n if (ret < 0)\n return ret;\n s->last_frame_output = 1;\n *got_frame = 1;\n }\n return 0;\n }\n ret = bitstream_init8(&s->bc, buf, buf_size);\n if (ret < 0)\n return ret;\n s->mb_x = s->mb_y = s->mb_xy = 0;\n if (svq3_decode_slice_header(avctx))\n return -1;\n if (s->pict_type != AV_PICTURE_TYPE_B)\n FFSWAP(SVQ3Frame*, s->next_pic, s->last_pic);\n av_frame_unref(s->cur_pic->f);\n s->cur_pic->f->pict_type = s->pict_type;\n s->cur_pic->f->key_frame = (s->pict_type == AV_PICTURE_TYPE_I);\n ret = get_buffer(avctx, s->cur_pic);\n if (ret < 0)\n return ret;\n for (i = 0; i < 16; i++) {\n s->block_offset[i] = (4 * ((scan8[i] - scan8[0]) & 7)) + 4 * s->cur_pic->f->linesize[0] * ((scan8[i] - scan8[0]) >> 3);\n s->block_offset[48 + i] = (4 * ((scan8[i] - scan8[0]) & 7)) + 8 * s->cur_pic->f->linesize[0] * ((scan8[i] - scan8[0]) >> 3);\n }\n for (i = 0; i < 16; i++) {\n s->block_offset[16 + i] =\n s->block_offset[32 + i] = (4 * ((scan8[i] - scan8[0]) & 7)) + 4 * s->cur_pic->f->linesize[1] * ((scan8[i] - scan8[0]) >> 3);\n s->block_offset[48 + 16 + i] =\n s->block_offset[48 + 32 + i] = (4 * ((scan8[i] - scan8[0]) & 7)) + 8 * s->cur_pic->f->linesize[1] * ((scan8[i] - scan8[0]) >> 3);\n }\n if (s->pict_type != AV_PICTURE_TYPE_I) {\n if (!s->last_pic->f->data[0]) {\n av_log(avctx, AV_LOG_ERROR, "Missing reference frame.\\n");\n ret = get_buffer(avctx, s->last_pic);\n if (ret < 0)\n return ret;\n memset(s->last_pic->f->data[0], 0, avctx->height * s->last_pic->f->linesize[0]);\n memset(s->last_pic->f->data[1], 0x80, (avctx->height / 2) *\n s->last_pic->f->linesize[1]);\n memset(s->last_pic->f->data[2], 0x80, (avctx->height / 2) *\n s->last_pic->f->linesize[2]);\n }\n if (s->pict_type == AV_PICTURE_TYPE_B && !s->next_pic->f->data[0]) {\n av_log(avctx, AV_LOG_ERROR, "Missing reference frame.\\n");\n ret = get_buffer(avctx, s->next_pic);\n if (ret < 0)\n return ret;\n memset(s->next_pic->f->data[0], 0, avctx->height * s->next_pic->f->linesize[0]);\n memset(s->next_pic->f->data[1], 0x80, (avctx->height / 2) *\n s->next_pic->f->linesize[1]);\n memset(s->next_pic->f->data[2], 0x80, (avctx->height / 2) *\n s->next_pic->f->linesize[2]);\n }\n }\n if (avctx->debug & FF_DEBUG_PICT_INFO)\n av_log(s->avctx, AV_LOG_DEBUG,\n "%c hpel:%d, tpel:%d aqp:%d qp:%d, slice_num:%02X\\n",\n av_get_picture_type_char(s->pict_type),\n s->halfpel_flag, s->thirdpel_flag,\n s->adaptive_quant, s->qscale, s->slice_num);\n if (avctx->skip_frame >= AVDISCARD_NONREF && s->pict_type == AV_PICTURE_TYPE_B ||\n avctx->skip_frame >= AVDISCARD_NONKEY && s->pict_type != AV_PICTURE_TYPE_I ||\n avctx->skip_frame >= AVDISCARD_ALL)\n return 0;\n if (s->next_p_frame_damaged) {\n if (s->pict_type == AV_PICTURE_TYPE_B)\n return 0;\n else\n s->next_p_frame_damaged = 0;\n }\n if (s->pict_type == AV_PICTURE_TYPE_B) {\n s->frame_num_offset = s->slice_num - s->prev_frame_num;\n if (s->frame_num_offset < 0)\n s->frame_num_offset += 256;\n if (s->frame_num_offset == 0 ||\n s->frame_num_offset >= s->prev_frame_num_offset) {\n av_log(s->avctx, AV_LOG_ERROR, "error in B-frame picture id\\n");\n return -1;\n }\n } else {\n s->prev_frame_num = s->frame_num;\n s->frame_num = s->slice_num;\n s->prev_frame_num_offset = s->frame_num - s->prev_frame_num;\n if (s->prev_frame_num_offset < 0)\n s->prev_frame_num_offset += 256;\n }\n for (m = 0; m < 2; m++) {\n int i;\n for (i = 0; i < 4; i++) {\n int j;\n for (j = -1; j < 4; j++)\n s->ref_cache[m][scan8[0] + 8 * i + j] = 1;\n if (i < 3)\n s->ref_cache[m][scan8[0] + 8 * i + j] = PART_NOT_AVAILABLE;\n }\n }\n for (s->mb_y = 0; s->mb_y < s->mb_height; s->mb_y++) {\n for (s->mb_x = 0; s->mb_x < s->mb_width; s->mb_x++) {\n unsigned mb_type;\n s->mb_xy = s->mb_x + s->mb_y * s->mb_stride;\n if ((bitstream_bits_left(&s->bc_slice)) <= 7) {\n if (((bitstream_tell(&s->bc_slice) & 7) == 0 ||\n bitstream_peek(&s->bc_slice, bitstream_bits_left(&s->bc_slice) & 7) == 0)) {\n if (svq3_decode_slice_header(avctx))\n return -1;\n }\n }\n mb_type = get_interleaved_ue_golomb(&s->bc_slice);\n if (s->pict_type == AV_PICTURE_TYPE_I)\n mb_type += 8;\n else if (s->pict_type == AV_PICTURE_TYPE_B && mb_type >= 4)\n mb_type += 4;\n if (mb_type > 33 || svq3_decode_mb(s, mb_type)) {\n av_log(s->avctx, AV_LOG_ERROR,\n "error while decoding MB %d %d\\n", s->mb_x, s->mb_y);\n return -1;\n }\n if (mb_type != 0)\n hl_decode_mb(s);\n if (s->pict_type != AV_PICTURE_TYPE_B && !s->low_delay)\n s->cur_pic->mb_type[s->mb_x + s->mb_y * s->mb_stride] =\n (s->pict_type == AV_PICTURE_TYPE_P && mb_type < 8) ? (mb_type - 1) : -1;\n }\n ff_draw_horiz_band(avctx, s->cur_pic->f,\n s->last_pic->f->data[0] ? s->last_pic->f : NULL,\n 16 * s->mb_y, 16, PICT_FRAME, 0,\n s->low_delay);\n }\n if (s->pict_type == AV_PICTURE_TYPE_B || s->low_delay)\n ret = av_frame_ref(data, s->cur_pic->f);\n else if (s->last_pic->f->data[0])\n ret = av_frame_ref(data, s->last_pic->f);\n if (ret < 0)\n return ret;\n if (s->last_pic->f->data[0] || s->low_delay)\n *got_frame = 1;\n if (s->pict_type != AV_PICTURE_TYPE_B) {\n FFSWAP(SVQ3Frame*, s->cur_pic, s->next_pic);\n } else {\n av_frame_unref(s->cur_pic->f);\n }\n return buf_size;\n}', 'static inline unsigned get_interleaved_ue_golomb(BitstreamContext *bc)\n{\n uint32_t buf;\n buf = bitstream_peek(bc, 32);\n if (buf & 0xAA800000) {\n buf >>= 32 - 8;\n bitstream_skip(bc, ff_interleaved_golomb_vlc_len[buf]);\n return ff_interleaved_ue_golomb_vlc_code[buf];\n } else {\n unsigned ret = 1;\n do {\n buf >>= 32 - 8;\n bitstream_skip(bc, FFMIN(ff_interleaved_golomb_vlc_len[buf], 8));\n if (ff_interleaved_golomb_vlc_len[buf] != 9) {\n ret <<= (ff_interleaved_golomb_vlc_len[buf] - 1) >> 1;\n ret |= ff_interleaved_dirac_golomb_vlc_code[buf];\n break;\n }\n ret = (ret << 4) | ff_interleaved_dirac_golomb_vlc_code[buf];\n buf = bitstream_peek(bc, 32);\n } while (bitstream_bits_left(bc) > 0);\n return ret - 1;\n }\n}', 'static inline void bitstream_skip(BitstreamContext *bc, unsigned n)\n{\n if (n <= bc->bits_left)\n skip_remaining(bc, n);\n else {\n n -= bc->bits_left;\n skip_remaining(bc, bc->bits_left);\n if (n >= 64) {\n unsigned skip = n / 8;\n n -= skip * 8;\n bc->ptr += skip;\n }\n refill_64(bc);\n if (n)\n skip_remaining(bc, n);\n }\n}', 'static inline void skip_remaining(BitstreamContext *bc, unsigned n)\n{\n#ifdef BITSTREAM_READER_LE\n bc->bits >>= n;\n#else\n bc->bits <<= n;\n#endif\n bc->bits_left -= n;\n}', 'static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)\n{\n int i, j, k, m, dir, mode;\n int cbp = 0;\n uint32_t vlc;\n int8_t *top, *left;\n const int mb_xy = s->mb_xy;\n const int b_xy = 4 * s->mb_x + 4 * s->mb_y * s->b_stride;\n s->top_samples_available = (s->mb_y == 0) ? 0x33FF : 0xFFFF;\n s->left_samples_available = (s->mb_x == 0) ? 0x5F5F : 0xFFFF;\n s->topright_samples_available = 0xFFFF;\n if (mb_type == 0) {\n if (s->pict_type == AV_PICTURE_TYPE_P ||\n s->next_pic->mb_type[mb_xy] == -1) {\n svq3_mc_dir_part(s, 16 * s->mb_x, 16 * s->mb_y, 16, 16,\n 0, 0, 0, 0, 0, 0);\n if (s->pict_type == AV_PICTURE_TYPE_B)\n svq3_mc_dir_part(s, 16 * s->mb_x, 16 * s->mb_y, 16, 16,\n 0, 0, 0, 0, 1, 1);\n mb_type = MB_TYPE_SKIP;\n } else {\n mb_type = FFMIN(s->next_pic->mb_type[mb_xy], 6);\n if (svq3_mc_dir(s, mb_type, PREDICT_MODE, 0, 0) < 0)\n return -1;\n if (svq3_mc_dir(s, mb_type, PREDICT_MODE, 1, 1) < 0)\n return -1;\n mb_type = MB_TYPE_16x16;\n }\n } else if (mb_type < 8) {\n if (s->thirdpel_flag && s->halfpel_flag == !bitstream_read_bit(&s->bc_slice))\n mode = THIRDPEL_MODE;\n else if (s->halfpel_flag &&\n s->thirdpel_flag == !bitstream_read_bit(&s->bc_slice))\n mode = HALFPEL_MODE;\n else\n mode = FULLPEL_MODE;\n for (m = 0; m < 2; m++) {\n if (s->mb_x > 0 && s->intra4x4_pred_mode[s->mb2br_xy[mb_xy - 1] + 6] != -1) {\n for (i = 0; i < 4; i++)\n AV_COPY32(s->mv_cache[m][scan8[0] - 1 + i * 8],\n s->cur_pic->motion_val[m][b_xy - 1 + i * s->b_stride]);\n } else {\n for (i = 0; i < 4; i++)\n AV_ZERO32(s->mv_cache[m][scan8[0] - 1 + i * 8]);\n }\n if (s->mb_y > 0) {\n memcpy(s->mv_cache[m][scan8[0] - 1 * 8],\n s->cur_pic->motion_val[m][b_xy - s->b_stride],\n 4 * 2 * sizeof(int16_t));\n memset(&s->ref_cache[m][scan8[0] - 1 * 8],\n (s->intra4x4_pred_mode[s->mb2br_xy[mb_xy - s->mb_stride]] == -1) ? PART_NOT_AVAILABLE : 1, 4);\n if (s->mb_x < s->mb_width - 1) {\n AV_COPY32(s->mv_cache[m][scan8[0] + 4 - 1 * 8],\n s->cur_pic->motion_val[m][b_xy - s->b_stride + 4]);\n s->ref_cache[m][scan8[0] + 4 - 1 * 8] =\n (s->intra4x4_pred_mode[s->mb2br_xy[mb_xy - s->mb_stride + 1] + 6] == -1 ||\n s->intra4x4_pred_mode[s->mb2br_xy[mb_xy - s->mb_stride]] == -1) ? PART_NOT_AVAILABLE : 1;\n } else\n s->ref_cache[m][scan8[0] + 4 - 1 * 8] = PART_NOT_AVAILABLE;\n if (s->mb_x > 0) {\n AV_COPY32(s->mv_cache[m][scan8[0] - 1 - 1 * 8],\n s->cur_pic->motion_val[m][b_xy - s->b_stride - 1]);\n s->ref_cache[m][scan8[0] - 1 - 1 * 8] =\n (s->intra4x4_pred_mode[s->mb2br_xy[mb_xy - s->mb_stride - 1] + 3] == -1) ? PART_NOT_AVAILABLE : 1;\n } else\n s->ref_cache[m][scan8[0] - 1 - 1 * 8] = PART_NOT_AVAILABLE;\n } else\n memset(&s->ref_cache[m][scan8[0] - 1 * 8 - 1],\n PART_NOT_AVAILABLE, 8);\n if (s->pict_type != AV_PICTURE_TYPE_B)\n break;\n }\n if (s->pict_type == AV_PICTURE_TYPE_P) {\n if (svq3_mc_dir(s, mb_type - 1, mode, 0, 0) < 0)\n return -1;\n } else {\n if (mb_type != 2) {\n if (svq3_mc_dir(s, 0, mode, 0, 0) < 0)\n return -1;\n } else {\n for (i = 0; i < 4; i++)\n memset(s->cur_pic->motion_val[0][b_xy + i * s->b_stride],\n 0, 4 * 2 * sizeof(int16_t));\n }\n if (mb_type != 1) {\n if (svq3_mc_dir(s, 0, mode, 1, mb_type == 3) < 0)\n return -1;\n } else {\n for (i = 0; i < 4; i++)\n memset(s->cur_pic->motion_val[1][b_xy + i * s->b_stride],\n 0, 4 * 2 * sizeof(int16_t));\n }\n }\n mb_type = MB_TYPE_16x16;\n } else if (mb_type == 8 || mb_type == 33) {\n int8_t *i4x4 = s->intra4x4_pred_mode + s->mb2br_xy[s->mb_xy];\n int8_t *i4x4_cache = s->intra4x4_pred_mode_cache;\n memset(s->intra4x4_pred_mode_cache, -1, 8 * 5 * sizeof(int8_t));\n if (mb_type == 8) {\n if (s->mb_x > 0) {\n for (i = 0; i < 4; i++)\n s->intra4x4_pred_mode_cache[scan8[0] - 1 + i * 8] = s->intra4x4_pred_mode[s->mb2br_xy[mb_xy - 1] + 6 - i];\n if (s->intra4x4_pred_mode_cache[scan8[0] - 1] == -1)\n s->left_samples_available = 0x5F5F;\n }\n if (s->mb_y > 0) {\n s->intra4x4_pred_mode_cache[4 + 8 * 0] = s->intra4x4_pred_mode[s->mb2br_xy[mb_xy - s->mb_stride] + 0];\n s->intra4x4_pred_mode_cache[5 + 8 * 0] = s->intra4x4_pred_mode[s->mb2br_xy[mb_xy - s->mb_stride] + 1];\n s->intra4x4_pred_mode_cache[6 + 8 * 0] = s->intra4x4_pred_mode[s->mb2br_xy[mb_xy - s->mb_stride] + 2];\n s->intra4x4_pred_mode_cache[7 + 8 * 0] = s->intra4x4_pred_mode[s->mb2br_xy[mb_xy - s->mb_stride] + 3];\n if (s->intra4x4_pred_mode_cache[4 + 8 * 0] == -1)\n s->top_samples_available = 0x33FF;\n }\n for (i = 0; i < 16; i += 2) {\n vlc = get_interleaved_ue_golomb(&s->bc_slice);\n if (vlc >= 25) {\n av_log(s->avctx, AV_LOG_ERROR,\n "luma prediction:%"PRIu32"\\n", vlc);\n return -1;\n }\n left = &s->intra4x4_pred_mode_cache[scan8[i] - 1];\n top = &s->intra4x4_pred_mode_cache[scan8[i] - 8];\n left[1] = svq3_pred_1[top[0] + 1][left[0] + 1][svq3_pred_0[vlc][0]];\n left[2] = svq3_pred_1[top[1] + 1][left[1] + 1][svq3_pred_0[vlc][1]];\n if (left[1] == -1 || left[2] == -1) {\n av_log(s->avctx, AV_LOG_ERROR, "weird prediction\\n");\n return -1;\n }\n }\n } else {\n for (i = 0; i < 4; i++)\n memset(&s->intra4x4_pred_mode_cache[scan8[0] + 8 * i], DC_PRED, 4);\n }\n AV_COPY32(i4x4, i4x4_cache + 4 + 8 * 4);\n i4x4[4] = i4x4_cache[7 + 8 * 3];\n i4x4[5] = i4x4_cache[7 + 8 * 2];\n i4x4[6] = i4x4_cache[7 + 8 * 1];\n if (mb_type == 8) {\n ff_h264_check_intra4x4_pred_mode(s->intra4x4_pred_mode_cache,\n s->avctx, s->top_samples_available,\n s->left_samples_available);\n s->top_samples_available = (s->mb_y == 0) ? 0x33FF : 0xFFFF;\n s->left_samples_available = (s->mb_x == 0) ? 0x5F5F : 0xFFFF;\n } else {\n for (i = 0; i < 4; i++)\n memset(&s->intra4x4_pred_mode_cache[scan8[0] + 8 * i], DC_128_PRED, 4);\n s->top_samples_available = 0x33FF;\n s->left_samples_available = 0x5F5F;\n }\n mb_type = MB_TYPE_INTRA4x4;\n } else {\n dir = ff_h264_i_mb_type_info[mb_type - 8].pred_mode;\n dir = (dir >> 1) ^ 3 * (dir & 1) ^ 1;\n if ((s->intra16x16_pred_mode = ff_h264_check_intra_pred_mode(s->avctx, s->top_samples_available,\n s->left_samples_available, dir, 0)) < 0) {\n av_log(s->avctx, AV_LOG_ERROR, "ff_h264_check_intra_pred_mode < 0\\n");\n return s->intra16x16_pred_mode;\n }\n cbp = ff_h264_i_mb_type_info[mb_type - 8].cbp;\n mb_type = MB_TYPE_INTRA16x16;\n }\n if (!IS_INTER(mb_type) && s->pict_type != AV_PICTURE_TYPE_I) {\n for (i = 0; i < 4; i++)\n memset(s->cur_pic->motion_val[0][b_xy + i * s->b_stride],\n 0, 4 * 2 * sizeof(int16_t));\n if (s->pict_type == AV_PICTURE_TYPE_B) {\n for (i = 0; i < 4; i++)\n memset(s->cur_pic->motion_val[1][b_xy + i * s->b_stride],\n 0, 4 * 2 * sizeof(int16_t));\n }\n }\n if (!IS_INTRA4x4(mb_type)) {\n memset(s->intra4x4_pred_mode + s->mb2br_xy[mb_xy], DC_PRED, 8);\n }\n if (!IS_SKIP(mb_type) || s->pict_type == AV_PICTURE_TYPE_B) {\n memset(s->non_zero_count_cache + 8, 0, 14 * 8 * sizeof(uint8_t));\n }\n if (!IS_INTRA16x16(mb_type) &&\n (!IS_SKIP(mb_type) || s->pict_type == AV_PICTURE_TYPE_B)) {\n if ((vlc = get_interleaved_ue_golomb(&s->bc_slice)) >= 48) {\n av_log(s->avctx, AV_LOG_ERROR, "cbp_vlc=%"PRIu32"\\n", vlc);\n return -1;\n }\n cbp = IS_INTRA(mb_type) ? ff_h264_golomb_to_intra4x4_cbp[vlc]\n : ff_h264_golomb_to_inter_cbp[vlc];\n }\n if (IS_INTRA16x16(mb_type) ||\n (s->pict_type != AV_PICTURE_TYPE_I && s->adaptive_quant && cbp)) {\n s->qscale += get_interleaved_se_golomb(&s->bc_slice);\n if (s->qscale > 31u) {\n av_log(s->avctx, AV_LOG_ERROR, "qscale:%d\\n", s->qscale);\n return -1;\n }\n }\n if (IS_INTRA16x16(mb_type)) {\n AV_ZERO128(s->mb_luma_dc[0] + 0);\n AV_ZERO128(s->mb_luma_dc[0] + 8);\n if (svq3_decode_block(&s->bc_slice, s->mb_luma_dc[0], 0, 1)) {\n av_log(s->avctx, AV_LOG_ERROR,\n "error while decoding intra luma dc\\n");\n return -1;\n }\n }\n if (cbp) {\n const int index = IS_INTRA16x16(mb_type) ? 1 : 0;\n const int type = ((s->qscale < 24 && IS_INTRA4x4(mb_type)) ? 2 : 1);\n for (i = 0; i < 4; i++)\n if ((cbp & (1 << i))) {\n for (j = 0; j < 4; j++) {\n k = index ? (1 * (j & 1) + 2 * (i & 1) +\n 2 * (j & 2) + 4 * (i & 2))\n : (4 * i + j);\n s->non_zero_count_cache[scan8[k]] = 1;\n if (svq3_decode_block(&s->bc_slice, &s->mb[16 * k], index, type)) {\n av_log(s->avctx, AV_LOG_ERROR,\n "error while decoding block\\n");\n return -1;\n }\n }\n }\n if ((cbp & 0x30)) {\n for (i = 1; i < 3; ++i)\n if (svq3_decode_block(&s->bc_slice, &s->mb[16 * 16 * i], 0, 3)) {\n av_log(s->avctx, AV_LOG_ERROR,\n "error while decoding chroma dc block\\n");\n return -1;\n }\n if ((cbp & 0x20)) {\n for (i = 1; i < 3; i++) {\n for (j = 0; j < 4; j++) {\n k = 16 * i + j;\n s->non_zero_count_cache[scan8[k]] = 1;\n if (svq3_decode_block(&s->bc_slice, &s->mb[16 * k], 1, 1)) {\n av_log(s->avctx, AV_LOG_ERROR,\n "error while decoding chroma ac block\\n");\n return -1;\n }\n }\n }\n }\n }\n }\n s->cbp = cbp;\n s->cur_pic->mb_type[mb_xy] = mb_type;\n if (IS_INTRA(mb_type))\n s->chroma_pred_mode = ff_h264_check_intra_pred_mode(s->avctx, s->top_samples_available,\n s->left_samples_available, DC_PRED8x8, 1);\n return 0;\n}', 'static inline unsigned bitstream_read_bit(BitstreamContext *bc)\n{\n if (!bc->bits_left)\n refill_64(bc);\n return get_val(bc, 1);\n}', 'static inline uint64_t get_val(BitstreamContext *bc, unsigned n)\n{\n#ifdef BITSTREAM_READER_LE\n uint64_t ret = bc->bits & ((UINT64_C(1) << n) - 1);\n bc->bits >>= n;\n#else\n uint64_t ret = bc->bits >> (64 - n);\n bc->bits <<= n;\n#endif\n bc->bits_left -= n;\n return ret;\n}'] |
11,800 | 0 | https://github.com/libav/libav/blob/ab3554e1a7c04a5ea30f9c905de92348478ef7c8/libavcodec/mpegvideo.c/#L657 | static int init_context_frame(MpegEncContext *s)
{
int y_size, c_size, yc_size, i, mb_array_size, mv_table_size, x, y;
s->mb_width = (s->width + 15) / 16;
s->mb_stride = s->mb_width + 1;
s->b8_stride = s->mb_width * 2 + 1;
mb_array_size = s->mb_height * s->mb_stride;
mv_table_size = (s->mb_height + 2) * s->mb_stride + 1;
s->h_edge_pos = s->mb_width * 16;
s->v_edge_pos = s->mb_height * 16;
s->mb_num = s->mb_width * s->mb_height;
s->block_wrap[0] =
s->block_wrap[1] =
s->block_wrap[2] =
s->block_wrap[3] = s->b8_stride;
s->block_wrap[4] =
s->block_wrap[5] = s->mb_stride;
y_size = s->b8_stride * (2 * s->mb_height + 1);
c_size = s->mb_stride * (s->mb_height + 1);
yc_size = y_size + 2 * c_size;
FF_ALLOCZ_OR_GOTO(s->avctx, s->mb_index2xy, (s->mb_num + 1) * sizeof(int),
fail);
for (y = 0; y < s->mb_height; y++)
for (x = 0; x < s->mb_width; x++)
s->mb_index2xy[x + y * s->mb_width] = x + y * s->mb_stride;
s->mb_index2xy[s->mb_height * s->mb_width] =
(s->mb_height - 1) * s->mb_stride + s->mb_width;
if (s->encoding) {
FF_ALLOCZ_OR_GOTO(s->avctx, s->p_mv_table_base,
mv_table_size * 2 * sizeof(int16_t), fail);
FF_ALLOCZ_OR_GOTO(s->avctx, s->b_forw_mv_table_base,
mv_table_size * 2 * sizeof(int16_t), fail);
FF_ALLOCZ_OR_GOTO(s->avctx, s->b_back_mv_table_base,
mv_table_size * 2 * sizeof(int16_t), fail);
FF_ALLOCZ_OR_GOTO(s->avctx, s->b_bidir_forw_mv_table_base,
mv_table_size * 2 * sizeof(int16_t), fail);
FF_ALLOCZ_OR_GOTO(s->avctx, s->b_bidir_back_mv_table_base,
mv_table_size * 2 * sizeof(int16_t), fail);
FF_ALLOCZ_OR_GOTO(s->avctx, s->b_direct_mv_table_base,
mv_table_size * 2 * sizeof(int16_t), fail);
s->p_mv_table = s->p_mv_table_base + s->mb_stride + 1;
s->b_forw_mv_table = s->b_forw_mv_table_base + s->mb_stride + 1;
s->b_back_mv_table = s->b_back_mv_table_base + s->mb_stride + 1;
s->b_bidir_forw_mv_table = s->b_bidir_forw_mv_table_base +
s->mb_stride + 1;
s->b_bidir_back_mv_table = s->b_bidir_back_mv_table_base +
s->mb_stride + 1;
s->b_direct_mv_table = s->b_direct_mv_table_base + s->mb_stride + 1;
FF_ALLOCZ_OR_GOTO(s->avctx, s->mb_type, mb_array_size *
sizeof(uint16_t), fail);
FF_ALLOCZ_OR_GOTO(s->avctx, s->lambda_table, mb_array_size *
sizeof(int), fail);
FF_ALLOC_OR_GOTO(s->avctx, s->cplx_tab,
mb_array_size * sizeof(float), fail);
FF_ALLOC_OR_GOTO(s->avctx, s->bits_tab,
mb_array_size * sizeof(float), fail);
}
if (s->codec_id == AV_CODEC_ID_MPEG4 ||
(s->avctx->flags & AV_CODEC_FLAG_INTERLACED_ME)) {
for (i = 0; i < 2; i++) {
int j, k;
for (j = 0; j < 2; j++) {
for (k = 0; k < 2; k++) {
FF_ALLOCZ_OR_GOTO(s->avctx,
s->b_field_mv_table_base[i][j][k],
mv_table_size * 2 * sizeof(int16_t),
fail);
s->b_field_mv_table[i][j][k] = s->b_field_mv_table_base[i][j][k] +
s->mb_stride + 1;
}
FF_ALLOCZ_OR_GOTO(s->avctx, s->b_field_select_table [i][j],
mb_array_size * 2 * sizeof(uint8_t), fail);
FF_ALLOCZ_OR_GOTO(s->avctx, s->p_field_mv_table_base[i][j],
mv_table_size * 2 * sizeof(int16_t), fail);
s->p_field_mv_table[i][j] = s->p_field_mv_table_base[i][j]
+ s->mb_stride + 1;
}
FF_ALLOCZ_OR_GOTO(s->avctx, s->p_field_select_table[i],
mb_array_size * 2 * sizeof(uint8_t), fail);
}
}
if (s->out_format == FMT_H263) {
FF_ALLOCZ_OR_GOTO(s->avctx, s->coded_block_base, y_size, fail);
s->coded_block = s->coded_block_base + s->b8_stride + 1;
FF_ALLOCZ_OR_GOTO(s->avctx, s->cbp_table,
mb_array_size * sizeof(uint8_t), fail);
FF_ALLOCZ_OR_GOTO(s->avctx, s->pred_dir_table,
mb_array_size * sizeof(uint8_t), fail);
}
if (s->h263_pred || s->h263_plus || !s->encoding) {
FF_ALLOCZ_OR_GOTO(s->avctx, s->dc_val_base,
yc_size * sizeof(int16_t), fail);
s->dc_val[0] = s->dc_val_base + s->b8_stride + 1;
s->dc_val[1] = s->dc_val_base + y_size + s->mb_stride + 1;
s->dc_val[2] = s->dc_val[1] + c_size;
for (i = 0; i < yc_size; i++)
s->dc_val_base[i] = 1024;
}
FF_ALLOCZ_OR_GOTO(s->avctx, s->mbintra_table, mb_array_size, fail);
memset(s->mbintra_table, 1, mb_array_size);
FF_ALLOCZ_OR_GOTO(s->avctx, s->mbskip_table, mb_array_size + 2, fail);
return ff_mpeg_er_init(s);
fail:
return AVERROR(ENOMEM);
} | ['static int init_context_frame(MpegEncContext *s)\n{\n int y_size, c_size, yc_size, i, mb_array_size, mv_table_size, x, y;\n s->mb_width = (s->width + 15) / 16;\n s->mb_stride = s->mb_width + 1;\n s->b8_stride = s->mb_width * 2 + 1;\n mb_array_size = s->mb_height * s->mb_stride;\n mv_table_size = (s->mb_height + 2) * s->mb_stride + 1;\n s->h_edge_pos = s->mb_width * 16;\n s->v_edge_pos = s->mb_height * 16;\n s->mb_num = s->mb_width * s->mb_height;\n s->block_wrap[0] =\n s->block_wrap[1] =\n s->block_wrap[2] =\n s->block_wrap[3] = s->b8_stride;\n s->block_wrap[4] =\n s->block_wrap[5] = s->mb_stride;\n y_size = s->b8_stride * (2 * s->mb_height + 1);\n c_size = s->mb_stride * (s->mb_height + 1);\n yc_size = y_size + 2 * c_size;\n FF_ALLOCZ_OR_GOTO(s->avctx, s->mb_index2xy, (s->mb_num + 1) * sizeof(int),\n fail);\n for (y = 0; y < s->mb_height; y++)\n for (x = 0; x < s->mb_width; x++)\n s->mb_index2xy[x + y * s->mb_width] = x + y * s->mb_stride;\n s->mb_index2xy[s->mb_height * s->mb_width] =\n (s->mb_height - 1) * s->mb_stride + s->mb_width;\n if (s->encoding) {\n FF_ALLOCZ_OR_GOTO(s->avctx, s->p_mv_table_base,\n mv_table_size * 2 * sizeof(int16_t), fail);\n FF_ALLOCZ_OR_GOTO(s->avctx, s->b_forw_mv_table_base,\n mv_table_size * 2 * sizeof(int16_t), fail);\n FF_ALLOCZ_OR_GOTO(s->avctx, s->b_back_mv_table_base,\n mv_table_size * 2 * sizeof(int16_t), fail);\n FF_ALLOCZ_OR_GOTO(s->avctx, s->b_bidir_forw_mv_table_base,\n mv_table_size * 2 * sizeof(int16_t), fail);\n FF_ALLOCZ_OR_GOTO(s->avctx, s->b_bidir_back_mv_table_base,\n mv_table_size * 2 * sizeof(int16_t), fail);\n FF_ALLOCZ_OR_GOTO(s->avctx, s->b_direct_mv_table_base,\n mv_table_size * 2 * sizeof(int16_t), fail);\n s->p_mv_table = s->p_mv_table_base + s->mb_stride + 1;\n s->b_forw_mv_table = s->b_forw_mv_table_base + s->mb_stride + 1;\n s->b_back_mv_table = s->b_back_mv_table_base + s->mb_stride + 1;\n s->b_bidir_forw_mv_table = s->b_bidir_forw_mv_table_base +\n s->mb_stride + 1;\n s->b_bidir_back_mv_table = s->b_bidir_back_mv_table_base +\n s->mb_stride + 1;\n s->b_direct_mv_table = s->b_direct_mv_table_base + s->mb_stride + 1;\n FF_ALLOCZ_OR_GOTO(s->avctx, s->mb_type, mb_array_size *\n sizeof(uint16_t), fail);\n FF_ALLOCZ_OR_GOTO(s->avctx, s->lambda_table, mb_array_size *\n sizeof(int), fail);\n FF_ALLOC_OR_GOTO(s->avctx, s->cplx_tab,\n mb_array_size * sizeof(float), fail);\n FF_ALLOC_OR_GOTO(s->avctx, s->bits_tab,\n mb_array_size * sizeof(float), fail);\n }\n if (s->codec_id == AV_CODEC_ID_MPEG4 ||\n (s->avctx->flags & AV_CODEC_FLAG_INTERLACED_ME)) {\n for (i = 0; i < 2; i++) {\n int j, k;\n for (j = 0; j < 2; j++) {\n for (k = 0; k < 2; k++) {\n FF_ALLOCZ_OR_GOTO(s->avctx,\n s->b_field_mv_table_base[i][j][k],\n mv_table_size * 2 * sizeof(int16_t),\n fail);\n s->b_field_mv_table[i][j][k] = s->b_field_mv_table_base[i][j][k] +\n s->mb_stride + 1;\n }\n FF_ALLOCZ_OR_GOTO(s->avctx, s->b_field_select_table [i][j],\n mb_array_size * 2 * sizeof(uint8_t), fail);\n FF_ALLOCZ_OR_GOTO(s->avctx, s->p_field_mv_table_base[i][j],\n mv_table_size * 2 * sizeof(int16_t), fail);\n s->p_field_mv_table[i][j] = s->p_field_mv_table_base[i][j]\n + s->mb_stride + 1;\n }\n FF_ALLOCZ_OR_GOTO(s->avctx, s->p_field_select_table[i],\n mb_array_size * 2 * sizeof(uint8_t), fail);\n }\n }\n if (s->out_format == FMT_H263) {\n FF_ALLOCZ_OR_GOTO(s->avctx, s->coded_block_base, y_size, fail);\n s->coded_block = s->coded_block_base + s->b8_stride + 1;\n FF_ALLOCZ_OR_GOTO(s->avctx, s->cbp_table,\n mb_array_size * sizeof(uint8_t), fail);\n FF_ALLOCZ_OR_GOTO(s->avctx, s->pred_dir_table,\n mb_array_size * sizeof(uint8_t), fail);\n }\n if (s->h263_pred || s->h263_plus || !s->encoding) {\n FF_ALLOCZ_OR_GOTO(s->avctx, s->dc_val_base,\n yc_size * sizeof(int16_t), fail);\n s->dc_val[0] = s->dc_val_base + s->b8_stride + 1;\n s->dc_val[1] = s->dc_val_base + y_size + s->mb_stride + 1;\n s->dc_val[2] = s->dc_val[1] + c_size;\n for (i = 0; i < yc_size; i++)\n s->dc_val_base[i] = 1024;\n }\n FF_ALLOCZ_OR_GOTO(s->avctx, s->mbintra_table, mb_array_size, fail);\n memset(s->mbintra_table, 1, mb_array_size);\n FF_ALLOCZ_OR_GOTO(s->avctx, s->mbskip_table, mb_array_size + 2, fail);\n return ff_mpeg_er_init(s);\nfail:\n return AVERROR(ENOMEM);\n}', 'void *av_mallocz(size_t size)\n{\n void *ptr = av_malloc(size);\n if (ptr)\n memset(ptr, 0, size);\n return ptr;\n}', 'void *av_malloc(size_t size)\n{\n void *ptr = NULL;\n if (size > (INT_MAX - 32) || !size)\n return NULL;\n#if HAVE_POSIX_MEMALIGN\n if (posix_memalign(&ptr, 32, size))\n ptr = NULL;\n#elif HAVE_ALIGNED_MALLOC\n ptr = _aligned_malloc(size, 32);\n#elif HAVE_MEMALIGN\n ptr = memalign(32, size);\n#else\n ptr = malloc(size);\n#endif\n return ptr;\n}'] |
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