1 files changed, 0 insertions, 475 deletions

diff --git a/src/plugins/hash/sha1extractor.c b/src/plugins/hash/sha1extractor.c
deleted file mode 100644
index 5e899fd..0000000
--- a/src/plugins/hash/sha1extractor.c
+++ /dev/null
@@ -1,475 +0,0 @@
-/*
-     This file is part of libextractor.
-     (C) 2004 Vidyut Samanta and Christian Grothoff
-
-     libextractor 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, or (at your
-     option) any later version.
-
-     libextractor 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 libextractor; see the file COPYING.  If not, write to the
-     Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-     Boston, MA 02111-1307, USA.
- */
-
-#include "platform.h"
-#include "extractor.h"
-
-/* sha.c - Functions to compute SHA1 message digest of files or
-   memory blocks according to the NIST specification FIPS-180-1.
-
-   Copyright (C) 2000, 2001, 2003 Free Software Foundation, Inc.
-
-   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, 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.  */
-
-/* Written by Scott G. Miller
-   Credits:
-      Robert Klep <robert@ilse.nl>  -- Expansion function fix
-*/
-
-#ifdef _LIBC
-#include <stdint.h>
-typedef uint32_t md5_uint32;
-typedef uintptr_t md5_uintptr;
-#else
-# define UINT_MAX_32_BITS 4294967295U
-
-# if UINT_MAX == UINT_MAX_32_BITS
-typedef unsigned int md5_uint32;
-# else
-#  if USHRT_MAX == UINT_MAX_32_BITS
-typedef unsigned short md5_uint32;
-#  else
-#   if ULONG_MAX == UINT_MAX_32_BITS
-typedef unsigned long md5_uint32;
-#   else
-     /* The following line is intended to evoke an error.
-        Using #error is not portable enough.  */
-"Cannot determine unsigned 32-bit data type."
-#   endif
-#  endif
-# endif
-/* We have to make a guess about the integer type equivalent in size
-   to pointers which should always be correct.  */
-typedef unsigned long int md5_uintptr;
-#endif
-
-
-/* Structure to save state of computation between the single steps.  */
-struct sha_ctx
-{
-  md5_uint32 A;
-  md5_uint32 B;
-  md5_uint32 C;
-  md5_uint32 D;
-  md5_uint32 E;
-
-  md5_uint32 total[2];
-  md5_uint32 buflen;
-  char buffer[128];
-};
-
-
-/* --- Code below is the primary difference between md5.c and sha.c --- */
-
-/* SHA1 round constants */
-#define K1 0x5a827999L
-#define K2 0x6ed9eba1L
-#define K3 0x8f1bbcdcL
-#define K4 0xca62c1d6L
-
-/* Round functions.  Note that F2 is the same as F4.  */
-#define F1(B,C,D) ( D ^ ( B & ( C ^ D ) ) )
-#define F2(B,C,D) (B ^ C ^ D)
-#define F3(B,C,D) ( ( B & C ) | ( D & ( B | C ) ) )
-#define F4(B,C,D) (B ^ C ^ D)
-
-#define rol(x,n) ( ((x) << (n)) | ((x) >> (32-(n))) )
-
-/*
-  Not-swap is a macro that does an endian swap on architectures that are
-  big-endian, as SHA needs some data in a little-endian format
-*/
-
-#ifdef WORDS_BIGENDIAN
-# define NOTSWAP(n) (n)
-# define SWAP(n)                                                        \
-    (((n) << 24) | (((n) & 0xff00) << 8) | (((n) >> 8) & 0xff00) | ((n) >> 24))
-#else
-# define NOTSWAP(n)                                                         \
-    (((n) << 24) | (((n) & 0xff00) << 8) | (((n) >> 8) & 0xff00) | ((n) >> 24))
-# define SWAP(n) (n)
-#endif
-
-#define BLOCKSIZE 4096
-/* Ensure that BLOCKSIZE is a multiple of 64.  */
-#if BLOCKSIZE % 64 != 0
-/* FIXME-someday (soon?): use #error instead of this kludge.  */
-"invalid BLOCKSIZE"
-#endif
-/* This array contains the bytes used to pad the buffer to the next
-   64-byte boundary.  (RFC 1321, 3.1: Step 1)  */
-static const unsigned char fillbuf[64] = { 0x80, 0 /* , 0, 0, ...  */  };
-
-
-
-/* Process LEN bytes of BUFFER, accumulating context into CTX.
-   It is assumed that LEN % 64 == 0.
-   Most of this code comes from GnuPG's cipher/sha1.c.  */
-
-static void
-sha_process_block (const void *buffer, size_t len, struct sha_ctx *ctx)
-{
-  const md5_uint32 *words = buffer;
-  size_t nwords = len / sizeof (md5_uint32);
-  const md5_uint32 *endp = words + nwords;
-  md5_uint32 x[16];
-  md5_uint32 a = ctx->A;
-  md5_uint32 b = ctx->B;
-  md5_uint32 c = ctx->C;
-  md5_uint32 d = ctx->D;
-  md5_uint32 e = ctx->E;
-
-  /* First increment the byte count.  RFC 1321 specifies the possible
-     length of the file up to 2^64 bits.  Here we only compute the
-     number of bytes.  Do a double word increment.  */
-  ctx->total[0] += len;
-  if (ctx->total[0] < len)
-    ++ctx->total[1];
-
-#define M(I) ( tm =   x[I&0x0f] ^ x[(I-14)&0x0f] \
-                    ^ x[(I-8)&0x0f] ^ x[(I-3)&0x0f] \
-               , (x[I&0x0f] = rol(tm, 1)) )
-
-#define R(A,B,C,D,E,F,K,M)  do { E += rol( A, 5 )     \
-                                      + F( B, C, D )  \
-                                      + K             \
-                                      + M;            \
-                                 B = rol( B, 30 );    \
-                               } while(0)
-
-  while (words < endp)
-    {
-      md5_uint32 tm;
-      int t;
-      /* FIXME: see sha1.c for a better implementation.  */
-      for (t = 0; t < 16; t++)
-        {
-          x[t] = NOTSWAP (*words);
-          words++;
-        }
-
-      R (a, b, c, d, e, F1, K1, x[0]);
-      R (e, a, b, c, d, F1, K1, x[1]);
-      R (d, e, a, b, c, F1, K1, x[2]);
-      R (c, d, e, a, b, F1, K1, x[3]);
-      R (b, c, d, e, a, F1, K1, x[4]);
-      R (a, b, c, d, e, F1, K1, x[5]);
-      R (e, a, b, c, d, F1, K1, x[6]);
-      R (d, e, a, b, c, F1, K1, x[7]);
-      R (c, d, e, a, b, F1, K1, x[8]);
-      R (b, c, d, e, a, F1, K1, x[9]);
-      R (a, b, c, d, e, F1, K1, x[10]);
-      R (e, a, b, c, d, F1, K1, x[11]);
-      R (d, e, a, b, c, F1, K1, x[12]);
-      R (c, d, e, a, b, F1, K1, x[13]);
-      R (b, c, d, e, a, F1, K1, x[14]);
-      R (a, b, c, d, e, F1, K1, x[15]);
-      R (e, a, b, c, d, F1, K1, M (16));
-      R (d, e, a, b, c, F1, K1, M (17));
-      R (c, d, e, a, b, F1, K1, M (18));
-      R (b, c, d, e, a, F1, K1, M (19));
-      R (a, b, c, d, e, F2, K2, M (20));
-      R (e, a, b, c, d, F2, K2, M (21));
-      R (d, e, a, b, c, F2, K2, M (22));
-      R (c, d, e, a, b, F2, K2, M (23));
-      R (b, c, d, e, a, F2, K2, M (24));
-      R (a, b, c, d, e, F2, K2, M (25));
-      R (e, a, b, c, d, F2, K2, M (26));
-      R (d, e, a, b, c, F2, K2, M (27));
-      R (c, d, e, a, b, F2, K2, M (28));
-      R (b, c, d, e, a, F2, K2, M (29));
-      R (a, b, c, d, e, F2, K2, M (30));
-      R (e, a, b, c, d, F2, K2, M (31));
-      R (d, e, a, b, c, F2, K2, M (32));
-      R (c, d, e, a, b, F2, K2, M (33));
-      R (b, c, d, e, a, F2, K2, M (34));
-      R (a, b, c, d, e, F2, K2, M (35));
-      R (e, a, b, c, d, F2, K2, M (36));
-      R (d, e, a, b, c, F2, K2, M (37));
-      R (c, d, e, a, b, F2, K2, M (38));
-      R (b, c, d, e, a, F2, K2, M (39));
-      R (a, b, c, d, e, F3, K3, M (40));
-      R (e, a, b, c, d, F3, K3, M (41));
-      R (d, e, a, b, c, F3, K3, M (42));
-      R (c, d, e, a, b, F3, K3, M (43));
-      R (b, c, d, e, a, F3, K3, M (44));
-      R (a, b, c, d, e, F3, K3, M (45));
-      R (e, a, b, c, d, F3, K3, M (46));
-      R (d, e, a, b, c, F3, K3, M (47));
-      R (c, d, e, a, b, F3, K3, M (48));
-      R (b, c, d, e, a, F3, K3, M (49));
-      R (a, b, c, d, e, F3, K3, M (50));
-      R (e, a, b, c, d, F3, K3, M (51));
-      R (d, e, a, b, c, F3, K3, M (52));
-      R (c, d, e, a, b, F3, K3, M (53));
-      R (b, c, d, e, a, F3, K3, M (54));
-      R (a, b, c, d, e, F3, K3, M (55));
-      R (e, a, b, c, d, F3, K3, M (56));
-      R (d, e, a, b, c, F3, K3, M (57));
-      R (c, d, e, a, b, F3, K3, M (58));
-      R (b, c, d, e, a, F3, K3, M (59));
-      R (a, b, c, d, e, F4, K4, M (60));
-      R (e, a, b, c, d, F4, K4, M (61));
-      R (d, e, a, b, c, F4, K4, M (62));
-      R (c, d, e, a, b, F4, K4, M (63));
-      R (b, c, d, e, a, F4, K4, M (64));
-      R (a, b, c, d, e, F4, K4, M (65));
-      R (e, a, b, c, d, F4, K4, M (66));
-      R (d, e, a, b, c, F4, K4, M (67));
-      R (c, d, e, a, b, F4, K4, M (68));
-      R (b, c, d, e, a, F4, K4, M (69));
-      R (a, b, c, d, e, F4, K4, M (70));
-      R (e, a, b, c, d, F4, K4, M (71));
-      R (d, e, a, b, c, F4, K4, M (72));
-      R (c, d, e, a, b, F4, K4, M (73));
-      R (b, c, d, e, a, F4, K4, M (74));
-      R (a, b, c, d, e, F4, K4, M (75));
-      R (e, a, b, c, d, F4, K4, M (76));
-      R (d, e, a, b, c, F4, K4, M (77));
-      R (c, d, e, a, b, F4, K4, M (78));
-      R (b, c, d, e, a, F4, K4, M (79));
-
-      a = ctx->A += a;
-      b = ctx->B += b;
-      c = ctx->C += c;
-      d = ctx->D += d;
-      e = ctx->E += e;
-    }
-}
-
-
-
-static void
-sha_process_bytes (const void *buffer, size_t len, struct sha_ctx *ctx)
-{
-  /* When we already have some bits in our internal buffer concatenate
-     both inputs first.  */
-  if (ctx->buflen != 0)
-    {
-      size_t left_over = ctx->buflen;
-      size_t add = 128 - left_over > len ? len : 128 - left_over;
-
-      memcpy (&ctx->buffer[left_over], buffer, add);
-      ctx->buflen += add;
-
-      if (ctx->buflen > 64)
-        {
-          sha_process_block (ctx->buffer, ctx->buflen & ~63, ctx);
-
-          ctx->buflen &= 63;
-          /* The regions in the following copy operation cannot overlap.  */
-          memcpy (ctx->buffer, &ctx->buffer[(left_over + add) & ~63],
-                  ctx->buflen);
-        }
-
-      buffer = (const char *) buffer + add;
-      len -= add;
-    }
-
-  /* Process available complete blocks.  */
-  if (len >= 64)
-    {
-#if !_STRING_ARCH_unaligned
-/* To check alignment gcc has an appropriate operator.  Other
-   compilers don't.  */
-# if __GNUC__ >= 2
-#  define UNALIGNED_P(p) (((md5_uintptr) p) % __alignof__ (md5_uint32) != 0)
-# else
-#  define UNALIGNED_P(p) (((md5_uintptr) p) % sizeof (md5_uint32) != 0)
-# endif
-      if (UNALIGNED_P (buffer))
-        while (len > 64)
-          {
-            sha_process_block (memcpy (ctx->buffer, buffer, 64), 64, ctx);
-            buffer = (const char *) buffer + 64;
-            len -= 64;
-          }
-      else
-#endif
-        {
-          sha_process_block (buffer, len & ~63, ctx);
-          buffer = (const char *) buffer + (len & ~63);
-          len &= 63;
-        }
-    }
-
-  /* Move remaining bytes in internal buffer.  */
-  if (len > 0)
-    {
-      size_t left_over = ctx->buflen;
-
-      memcpy (&ctx->buffer[left_over], buffer, len);
-      left_over += len;
-      if (left_over >= 64)
-        {
-          sha_process_block (ctx->buffer, 64, ctx);
-          left_over -= 64;
-          memcpy (ctx->buffer, &ctx->buffer[64], left_over);
-        }
-      ctx->buflen = left_over;
-    }
-}
-
-
-/*
-  Takes a pointer to a 160 bit block of data (five 32 bit ints) and
-  intializes it to the start constants of the SHA1 algorithm.  This
-  must be called before using hash in the call to sha_hash
-*/
-static void
-sha_init_ctx (struct sha_ctx *ctx)
-{
-  ctx->A = 0x67452301;
-  ctx->B = 0xefcdab89;
-  ctx->C = 0x98badcfe;
-  ctx->D = 0x10325476;
-  ctx->E = 0xc3d2e1f0;
-
-  ctx->total[0] = ctx->total[1] = 0;
-  ctx->buflen = 0;
-}
-
-/* Put result from CTX in first 20 bytes following RESBUF.  The result
-   must be in little endian byte order.
-
-   IMPORTANT: On some systems it is required that RESBUF is correctly
-   aligned for a 32 bits value.  */
-static void *
-sha_read_ctx (const struct sha_ctx *ctx, void *resbuf)
-{
-  ((md5_uint32 *) resbuf)[0] = NOTSWAP (ctx->A);
-  ((md5_uint32 *) resbuf)[1] = NOTSWAP (ctx->B);
-  ((md5_uint32 *) resbuf)[2] = NOTSWAP (ctx->C);
-  ((md5_uint32 *) resbuf)[3] = NOTSWAP (ctx->D);
-  ((md5_uint32 *) resbuf)[4] = NOTSWAP (ctx->E);
-
-  return resbuf;
-}
-
-/* Process the remaining bytes in the internal buffer and the usual
-   prolog according to the standard and write the result to RESBUF.
-
-   IMPORTANT: On some systems it is required that RESBUF is correctly
-   aligned for a 32 bits value.  */
-static void *
-sha_finish_ctx (struct sha_ctx *ctx, void *resbuf)
-{
-  /* Take yet unprocessed bytes into account.  */
-  md5_uint32 bytes = ctx->buflen;
-  size_t pad;
-
-  /* Now count remaining bytes.  */
-  ctx->total[0] += bytes;
-  if (ctx->total[0] < bytes)
-    ++ctx->total[1];
-
-  pad = bytes >= 56 ? 64 + 56 - bytes : 56 - bytes;
-  memcpy (&ctx->buffer[bytes], fillbuf, pad);
-
-  /* Put the 64-bit file length in *bits* at the end of the buffer.  */
-  *(md5_uint32 *) & ctx->buffer[bytes + pad + 4] =
-    NOTSWAP (ctx->total[0] << 3);
-  *(md5_uint32 *) & ctx->buffer[bytes + pad] =
-    NOTSWAP ((ctx->total[1] << 3) | (ctx->total[0] >> 29));
-
-  /* Process last bytes.  */
-  sha_process_block (ctx->buffer, bytes + pad + 8, ctx);
-
-  return sha_read_ctx (ctx, resbuf);
-}
-
-
-/* Compute MD5 message digest for LEN bytes beginning at BUFFER.  The
-   result is always in little endian byte order, so that a byte-wise
-   output yields to the wanted ASCII representation of the message
-   digest.  */
-static void *
-sha_buffer (const char *buffer, size_t len, void *resblock)
-{
-  struct sha_ctx ctx;
-
-  /* Initialize the computation context.  */
-  sha_init_ctx (&ctx);
-
-  /* Process whole buffer but last len % 64 bytes.  */
-  sha_process_bytes (buffer, len, &ctx);
-
-  /* Put result in desired memory area.  */
-  return sha_finish_ctx (&ctx, resblock);
-}
-
-
-
-
-
-
-
-static struct EXTRACTOR_Keywords *
-addKeyword (EXTRACTOR_KeywordList * oldhead,
-            const char *phrase, EXTRACTOR_KeywordType type)
-{
-
-  EXTRACTOR_KeywordList *keyword;
-  keyword = (EXTRACTOR_KeywordList *) malloc (sizeof (EXTRACTOR_KeywordList));
-  keyword->next = oldhead;
-  keyword->keyword = strdup (phrase);
-  keyword->keywordType = type;
-  return keyword;
-}
-
-#define DIGEST_BITS 160
-#define DIGEST_HEX_BYTES (DIGEST_BITS / 4)
-#define DIGEST_BIN_BYTES (DIGEST_BITS / 8)
-
-#define MAX_DIGEST_BIN_BYTES DIGEST_BIN_BYTES
-
-struct EXTRACTOR_Keywords *
-libextractor_hash_sha1_extract (const char *filename,
-                                char *data,
-                                size_t size, struct EXTRACTOR_Keywords *prev)
-{
-  unsigned char bin_buffer[MAX_DIGEST_BIN_BYTES];
-  char hash[8 * MAX_DIGEST_BIN_BYTES];
-  char buf[16];
-  int i;
-
-  sha_buffer (data, size, bin_buffer);
-
-  hash[0] = '\0';
-  for (i = 0; i < DIGEST_HEX_BYTES / 2; i++)
-    {
-      snprintf (buf, 16, "%02x", bin_buffer[i]);
-      strcat (hash, buf);
-    }
-  prev = addKeyword (prev, hash, EXTRACTOR_HASH_SHA1);
-  return prev;
-}