1 files changed, 0 insertions, 455 deletions

diff --git a/src/plugins/hash/md5extractor.c b/src/plugins/hash/md5extractor.c
deleted file mode 100644
index f96beac..0000000
--- a/src/plugins/hash/md5extractor.c
+++ /dev/null
@@ -1,455 +0,0 @@
-/*
-     This file is part of libextractor.
-     (C) 2004, 2005 Vidyut Samanta and Christian Grothoff
-
-   Copyright (C) 1995, 1996, 1999, 2000, 2003 Free Software Foundation, Inc.
-   NOTE: The canonical source of the MD5 code from this file is maintained
-   with the GNU C Library.  Bugs can be reported to bug-glibc@prep.ai.mit.edu.
-
-     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"
-#include <stdio.h>
-#include <limits.h>
-
-#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 md5_ctx
-{
-  md5_uint32 A;
-  md5_uint32 B;
-  md5_uint32 C;
-  md5_uint32 D;
-
-  md5_uint32 total[2];
-  md5_uint32 buflen;
-  char buffer[128];
-};
-
-#define rol(x,n) ( ((x) << (n)) | ((x) >> (32-(n))) )
-
-#if __BYTE_ORDER == __BIG_ENDIAN
-#define WORDS_BIGENDIAN 1
-#endif
-
-#ifdef WORDS_BIGENDIAN
-# define SWAP(n)                                                        \
-    (((n) << 24) | (((n) & 0xff00) << 8) | (((n) >> 8) & 0xff00) | ((n) >> 24))
-#else
-# define SWAP(n) (n)
-#endif
-
-#define BLOCKSIZE 4096
-/* Ensure that BLOCKSIZE is a multiple of 64.  */
-#if BLOCKSIZE % 64 != 0
-#error "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, ...  */  };
-
-
-
-
-/* These are the four functions used in the four steps of the MD5 algorithm
-   and defined in the RFC 1321.  The first function is a little bit optimized
-   (as found in Colin Plumbs public domain implementation).  */
-/* #define FF(b, c, d) ((b & c) | (~b & d)) */
-#define FF(b, c, d) (d ^ (b & (c ^ d)))
-#define FG(b, c, d) FF (d, b, c)
-#define FH(b, c, d) (b ^ c ^ d)
-#define FI(b, c, d) (c ^ (b | ~d))
-
-/* Process LEN bytes of BUFFER, accumulating context into CTX.
-   It is assumed that LEN % 64 == 0.  */
-
-static void
-md5_process_block (const void *buffer, size_t len, struct md5_ctx *ctx)
-{
-  md5_uint32 correct_words[16];
-  const md5_uint32 *words = buffer;
-  size_t nwords = len / sizeof (md5_uint32);
-  const md5_uint32 *endp = words + nwords;
-  md5_uint32 A = ctx->A;
-  md5_uint32 B = ctx->B;
-  md5_uint32 C = ctx->C;
-  md5_uint32 D = ctx->D;
-
-  /* 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];
-
-  /* Process all bytes in the buffer with 64 bytes in each round of
-     the loop.  */
-  while (words < endp)
-    {
-      md5_uint32 *cwp = correct_words;
-      md5_uint32 A_save = A;
-      md5_uint32 B_save = B;
-      md5_uint32 C_save = C;
-      md5_uint32 D_save = D;
-
-      /* First round: using the given function, the context and a constant
-         the next context is computed.  Because the algorithms processing
-         unit is a 32-bit word and it is determined to work on words in
-         little endian byte order we perhaps have to change the byte order
-         before the computation.  To reduce the work for the next steps
-         we store the swapped words in the array CORRECT_WORDS.  */
-
-#define OP(a, b, c, d, s, T)                                            \
-      do                                                                \
-        {                                                               \
-          a += FF (b, c, d) + (*cwp++ = SWAP (*words)) + T;             \
-          ++words;                                                      \
-          a = rol (a, s);                                               \
-          a += b;                                                       \
-        }                                                               \
-      while (0)
-
-      /* Before we start, one word to the strange constants.
-         They are defined in RFC 1321 as
-
-         T[i] = (int) (4294967296.0 * fabs (sin (i))), i=1..64, or
-         perl -e 'foreach(1..64){printf "0x%08x\n", int (4294967296 * abs (sin $_))}'
-       */
-
-      /* Round 1.  */
-      OP (A, B, C, D, 7, 0xd76aa478);
-      OP (D, A, B, C, 12, 0xe8c7b756);
-      OP (C, D, A, B, 17, 0x242070db);
-      OP (B, C, D, A, 22, 0xc1bdceee);
-      OP (A, B, C, D, 7, 0xf57c0faf);
-      OP (D, A, B, C, 12, 0x4787c62a);
-      OP (C, D, A, B, 17, 0xa8304613);
-      OP (B, C, D, A, 22, 0xfd469501);
-      OP (A, B, C, D, 7, 0x698098d8);
-      OP (D, A, B, C, 12, 0x8b44f7af);
-      OP (C, D, A, B, 17, 0xffff5bb1);
-      OP (B, C, D, A, 22, 0x895cd7be);
-      OP (A, B, C, D, 7, 0x6b901122);
-      OP (D, A, B, C, 12, 0xfd987193);
-      OP (C, D, A, B, 17, 0xa679438e);
-      OP (B, C, D, A, 22, 0x49b40821);
-
-      /* For the second to fourth round we have the possibly swapped words
-         in CORRECT_WORDS.  Redefine the macro to take an additional first
-         argument specifying the function to use.  */
-#undef OP
-#define OP(f, a, b, c, d, k, s, T)                                      \
-      do                                                                \
-        {                                                               \
-          a += f (b, c, d) + correct_words[k] + T;                      \
-          a = rol (a, s);                                               \
-          a += b;                                                       \
-        }                                                               \
-      while (0)
-
-      /* Round 2.  */
-      OP (FG, A, B, C, D, 1, 5, 0xf61e2562);
-      OP (FG, D, A, B, C, 6, 9, 0xc040b340);
-      OP (FG, C, D, A, B, 11, 14, 0x265e5a51);
-      OP (FG, B, C, D, A, 0, 20, 0xe9b6c7aa);
-      OP (FG, A, B, C, D, 5, 5, 0xd62f105d);
-      OP (FG, D, A, B, C, 10, 9, 0x02441453);
-      OP (FG, C, D, A, B, 15, 14, 0xd8a1e681);
-      OP (FG, B, C, D, A, 4, 20, 0xe7d3fbc8);
-      OP (FG, A, B, C, D, 9, 5, 0x21e1cde6);
-      OP (FG, D, A, B, C, 14, 9, 0xc33707d6);
-      OP (FG, C, D, A, B, 3, 14, 0xf4d50d87);
-      OP (FG, B, C, D, A, 8, 20, 0x455a14ed);
-      OP (FG, A, B, C, D, 13, 5, 0xa9e3e905);
-      OP (FG, D, A, B, C, 2, 9, 0xfcefa3f8);
-      OP (FG, C, D, A, B, 7, 14, 0x676f02d9);
-      OP (FG, B, C, D, A, 12, 20, 0x8d2a4c8a);
-
-      /* Round 3.  */
-      OP (FH, A, B, C, D, 5, 4, 0xfffa3942);
-      OP (FH, D, A, B, C, 8, 11, 0x8771f681);
-      OP (FH, C, D, A, B, 11, 16, 0x6d9d6122);
-      OP (FH, B, C, D, A, 14, 23, 0xfde5380c);
-      OP (FH, A, B, C, D, 1, 4, 0xa4beea44);
-      OP (FH, D, A, B, C, 4, 11, 0x4bdecfa9);
-      OP (FH, C, D, A, B, 7, 16, 0xf6bb4b60);
-      OP (FH, B, C, D, A, 10, 23, 0xbebfbc70);
-      OP (FH, A, B, C, D, 13, 4, 0x289b7ec6);
-      OP (FH, D, A, B, C, 0, 11, 0xeaa127fa);
-      OP (FH, C, D, A, B, 3, 16, 0xd4ef3085);
-      OP (FH, B, C, D, A, 6, 23, 0x04881d05);
-      OP (FH, A, B, C, D, 9, 4, 0xd9d4d039);
-      OP (FH, D, A, B, C, 12, 11, 0xe6db99e5);
-      OP (FH, C, D, A, B, 15, 16, 0x1fa27cf8);
-      OP (FH, B, C, D, A, 2, 23, 0xc4ac5665);
-
-      /* Round 4.  */
-      OP (FI, A, B, C, D, 0, 6, 0xf4292244);
-      OP (FI, D, A, B, C, 7, 10, 0x432aff97);
-      OP (FI, C, D, A, B, 14, 15, 0xab9423a7);
-      OP (FI, B, C, D, A, 5, 21, 0xfc93a039);
-      OP (FI, A, B, C, D, 12, 6, 0x655b59c3);
-      OP (FI, D, A, B, C, 3, 10, 0x8f0ccc92);
-      OP (FI, C, D, A, B, 10, 15, 0xffeff47d);
-      OP (FI, B, C, D, A, 1, 21, 0x85845dd1);
-      OP (FI, A, B, C, D, 8, 6, 0x6fa87e4f);
-      OP (FI, D, A, B, C, 15, 10, 0xfe2ce6e0);
-      OP (FI, C, D, A, B, 6, 15, 0xa3014314);
-      OP (FI, B, C, D, A, 13, 21, 0x4e0811a1);
-      OP (FI, A, B, C, D, 4, 6, 0xf7537e82);
-      OP (FI, D, A, B, C, 11, 10, 0xbd3af235);
-      OP (FI, C, D, A, B, 2, 15, 0x2ad7d2bb);
-      OP (FI, B, C, D, A, 9, 21, 0xeb86d391);
-
-      /* Add the starting values of the context.  */
-      A += A_save;
-      B += B_save;
-      C += C_save;
-      D += D_save;
-    }
-
-  /* Put checksum in context given as argument.  */
-  ctx->A = A;
-  ctx->B = B;
-  ctx->C = C;
-  ctx->D = D;
-}
-
-
-static void
-md5_process_bytes (const void *buffer, size_t len, struct md5_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)
-        {
-          md5_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)
-          {
-            md5_process_block (memcpy (ctx->buffer, buffer, 64), 64, ctx);
-            buffer = (const char *) buffer + 64;
-            len -= 64;
-          }
-      else
-#endif
-        {
-          md5_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)
-        {
-          md5_process_block (ctx->buffer, 64, ctx);
-          left_over -= 64;
-          memcpy (ctx->buffer, &ctx->buffer[64], left_over);
-        }
-      ctx->buflen = left_over;
-    }
-}
-
-
-/* Initialize structure containing state of computation.
-   (RFC 1321, 3.3: Step 3)  */
-static void
-md5_init_ctx (struct md5_ctx *ctx)
-{
-  ctx->A = 0x67452301;
-  ctx->B = 0xefcdab89;
-  ctx->C = 0x98badcfe;
-  ctx->D = 0x10325476;
-
-  ctx->total[0] = ctx->total[1] = 0;
-  ctx->buflen = 0;
-}
-
-/* Put result from CTX in first 16 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 *
-md5_read_ctx (const struct md5_ctx *ctx, void *resbuf)
-{
-  ((md5_uint32 *) resbuf)[0] = SWAP (ctx->A);
-  ((md5_uint32 *) resbuf)[1] = SWAP (ctx->B);
-  ((md5_uint32 *) resbuf)[2] = SWAP (ctx->C);
-  ((md5_uint32 *) resbuf)[3] = SWAP (ctx->D);
-
-  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 *
-md5_finish_ctx (struct md5_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] = SWAP (ctx->total[0] << 3);
-  *(md5_uint32 *) & ctx->buffer[bytes + pad + 4] =
-    SWAP ((ctx->total[1] << 3) | (ctx->total[0] >> 29));
-
-  /* Process last bytes.  */
-  md5_process_block (ctx->buffer, bytes + pad + 8, ctx);
-
-  return md5_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 *
-md5_buffer (const char *buffer, size_t len, void *resblock)
-{
-  struct md5_ctx ctx;
-
-  /* Initialize the computation context.  */
-  md5_init_ctx (&ctx);
-
-  /* Process whole buffer but last len % 64 bytes.  */
-  md5_process_bytes (buffer, len, &ctx);
-
-  /* Put result in desired memory area.  */
-  return md5_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 128
-#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_md5_extract (const char *filename,
-                               const 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;
-
-  md5_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_MD5);
-
-  return prev;
-}