cnelson/friidump
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

From clauflibitFriiDump-0.5.3.1

Browse source
This commit is contained in:
Braden McDaniel 2013-11-01 12:26:04 -04:00
parent fe937e7f4b
commit 87b108d6a1
63 changed files with 11067 additions and 26 deletions
Download patch file Download diff file Expand all files Collapse all files

130
libmultihash/multihash.c Normal file
View file

@ -0,0 +1,130 @@
/***************************************************************************
* Copyright (C) 2007 by SukkoPera *
* sukkopera@sukkology.net *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#include "multihash.h"
#include <stdio.h>
#define READBUF_SIZE 8192
void multihash_init (multihash *mh) {
#ifdef USE_CRC32
(mh -> crc32_s)[0] = '\0';
mh -> crc32 = 0xffffffff;
#endif
#ifdef USE_MD4
(mh -> md4_s)[0] = '\0';
md4_starts (&(mh -> md4));
#endif
#ifdef USE_MD5
(mh -> md5_s)[0] = '\0';
MD5Init (&(mh -> md5));
#endif
#ifdef USE_ED2K
(mh -> ed2k_s)[0] = '\0';
ed2khash_starts (&(mh -> ed2k));
#endif
#ifdef USE_SHA1
(mh -> sha1_s)[0] = '\0';
SHA1Init (&(mh -> sha1));
#endif
return;
}
void multihash_update (multihash *mh, unsigned char *data, int bytes) {
#ifdef USE_CRC32
mh -> crc32 = CrcUpdate (mh -> crc32, data, bytes);
#endif
#ifdef USE_MD4
// md4_update (&(mh -> md4), data, bytes);
#endif
#ifdef USE_MD5
MD5Update (&(mh -> md5), data, bytes);
#endif
#ifdef USE_ED2K
// ed2khash_update (&(mh -> ed2k), data, bytes);
#endif
#ifdef USE_SHA1
SHA1Update (&(mh -> sha1), data, bytes); /* WARNING: SHA1Update() destroys data! */
#endif
return;
}
void multihash_finish (multihash *mh) {
unsigned char buf[MAX_DIGESTSIZE];
int bytes;
#ifdef USE_CRC32
mh -> crc32 ^= 0xffffffff;
snprintf (mh -> crc32_s, LEN_CRC32 + 1, "%08x", mh -> crc32);
#endif
#ifdef USE_MD4
md4_finish (&(mh -> md4), buf);
for (bytes = 0; bytes < LEN_MD4 / 2; bytes++)
sprintf (mh -> md4_s, "%s%02x", mh -> md4_s, buf[bytes]);
(mh -> md4_s)[LEN_MD4] = '\0';
#endif
#ifdef USE_MD5
MD5Final (&(mh -> md5));
for (bytes = 0; bytes < LEN_MD5 / 2; bytes++)
sprintf (mh -> md5_s, "%s%02x", mh -> md5_s, (mh -> md5).digest[bytes]);
(mh -> md5_s)[LEN_MD5] = '\0';
#endif
#ifdef USE_ED2K
ed2khash_finish (&(mh -> ed2k), buf);
for (bytes = 0; bytes < LEN_ED2K / 2; bytes++)
sprintf (mh -> ed2k_s, "%s%02x", mh -> ed2k_s, buf[bytes]);
(mh -> ed2k_s)[LEN_ED2K] = '\0';
#endif
#ifdef USE_SHA1
SHA1Final (buf, &(mh -> sha1));
for (bytes = 0; bytes < LEN_SHA1 / 2; bytes++)
sprintf (mh -> sha1_s, "%s%02x", mh -> sha1_s, buf[bytes]);
(mh -> sha1_s)[LEN_SHA1] = '\0';
#endif
return;
}
int multihash_file (multihash *mh, char *filename) {
FILE *fp;
int bytes, out;
unsigned char data[READBUF_SIZE];
multihash_init (mh);
if ((fp = fopen (filename, "r"))) {
while ((bytes = fread (data, 1, READBUF_SIZE, fp)) != 0)
multihash_update (mh, data, bytes);
multihash_finish (mh);
fclose (fp);
out = 0;
} else {
/* Cannot open file */
out = -1;
}
return (out);
}