misc/BinCracking/patcher_gen.phps

   1 <?php
   2 //Patcher generator 0.3
   3 //Harvie 2oo7
   4 /*
   5 This will parse output from my HexCmp tool and
   6 create the code, than can be directly pasted to
   7 my BinPatcher source.
   8 Making of patcher was never easier.
   9 */
  10
  11 ///SETINGS///////////////////////////////////////////////////////
  12 $proc = "hexcmp orig.exe crac.exe"; //HexCmp command
  13 $fp = "bin"; //FILE pointer to handle with
  14
  15 ///CODE//////////////////////////////////////////////////////////
  16 $pp = popen($proc, "r");
  17 while(!feof($pp)) {
  18   $line = trim(fgets($pp));
  19
  20   if(ereg("Difference", $line)) {
  21     $offset = explode("H: ", $line);
  22     $offset = $offset[1];
  23     echo("fseek($fp, $offset"."L, SEEK_SET); //Seek to $offset\n");
  24   }
  25
  26   if(ereg("\\\\x.", $line)) {
  27     $bytes = substr_count($line, "\\x");
  28     echo("  fwrite(\"$line\", $bytes, 1, $fp); //Patch $bytes bytes\n");
  29   }
  30
  31 }
  32
  33 ///EXAMPLE///////////////////////////////////////////////////////
  34 /*
  35   //Example output from HexCmp:
  36 Difference @ D: 222313 H: 0x36469
  37 \x90\x90\x90\x90\x90
  38 Lenght: 5 Bytes
  39
  40 Difference @ D: 317430 H: 0x4d7f6
  41 \x13\x37\xc0\xde
  42 Lenght: 4 Bytes
  43
  44   //Will be turned to something like this:
  45 fseek(bin, 0x36469L, SEEK_SET); //Seek to 0x36469
  46   fwrite("\x90\x90\x90\x90\x90", 5, 1, bin); //Patch 5 bytes
  47 fseek(bin, 0x4d7f6L, SEEK_SET); //Seek to 0x4d7f6
  48   fwrite("\x13\x37\xc0\xde", 4, 1, bin); //Patch 4 bytes
  49
  50 //Just compile ;))
  51 */
  52 ?>