ILIAS  eassessment Revision 61809
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module.misc.exe.php
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1 <?php
4 // available at http://getid3.sourceforge.net //
5 // or http://www.getid3.org //
7 // See readme.txt for more details //
9 // //
10 // module.misc.exe.php //
11 // module for analyzing EXE files //
12 // dependencies: NONE //
13 // ///
15 
16 
18 {
19 
20  function getid3_exe(&$fd, &$ThisFileInfo) {
21 
22  fseek($fd, $ThisFileInfo['avdataoffset'], SEEK_SET);
23  $EXEheader = fread($fd, 28);
24 
25  if (substr($EXEheader, 0, 2) != 'MZ') {
26  $ThisFileInfo['error'][] = 'Expecting "MZ" at offset '.$ThisFileInfo['avdataoffset'].', found "'.substr($EXEheader, 0, 2).'" instead.';
27  return false;
28  }
29 
30  $ThisFileInfo['fileformat'] = 'exe';
31  $ThisFileInfo['exe']['mz']['magic'] = 'MZ';
32 
33  $ThisFileInfo['exe']['mz']['raw']['last_page_size'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 2, 2));
34  $ThisFileInfo['exe']['mz']['raw']['page_count'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 4, 2));
35  $ThisFileInfo['exe']['mz']['raw']['relocation_count'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 6, 2));
36  $ThisFileInfo['exe']['mz']['raw']['header_paragraphs'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 8, 2));
37  $ThisFileInfo['exe']['mz']['raw']['min_memory_paragraphs'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 10, 2));
38  $ThisFileInfo['exe']['mz']['raw']['max_memory_paragraphs'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 12, 2));
39  $ThisFileInfo['exe']['mz']['raw']['initial_ss'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 14, 2));
40  $ThisFileInfo['exe']['mz']['raw']['initial_sp'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 16, 2));
41  $ThisFileInfo['exe']['mz']['raw']['checksum'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 18, 2));
42  $ThisFileInfo['exe']['mz']['raw']['cs_ip'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 20, 4));
43  $ThisFileInfo['exe']['mz']['raw']['relocation_table_offset'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 24, 2));
44  $ThisFileInfo['exe']['mz']['raw']['overlay_number'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 26, 2));
45 
46  $ThisFileInfo['exe']['mz']['byte_size'] = (($ThisFileInfo['exe']['mz']['raw']['page_count'] - 1)) * 512 + $ThisFileInfo['exe']['mz']['raw']['last_page_size'];
47  $ThisFileInfo['exe']['mz']['header_size'] = $ThisFileInfo['exe']['mz']['raw']['header_paragraphs'] * 16;
48  $ThisFileInfo['exe']['mz']['memory_minimum'] = $ThisFileInfo['exe']['mz']['raw']['min_memory_paragraphs'] * 16;
49  $ThisFileInfo['exe']['mz']['memory_recommended'] = $ThisFileInfo['exe']['mz']['raw']['max_memory_paragraphs'] * 16;
50 
51 $ThisFileInfo['error'][] = 'EXE parsing not enabled in this version of getID3()';
52 return false;
53 
54  }
55 
56 }
57 
58 
59 ?>