ILIAS  release_5-3 Revision v5.3.23-19-g915713cf615
module.misc.exe.php
Go to the documentation of this file.
1 <?php
4 // available at http://getid3.sourceforge.net //
5 // or http://www.getid3.org //
6 // also https://github.com/JamesHeinrich/getID3 //
8 // See readme.txt for more details //
10 // //
11 // module.misc.exe.php //
12 // module for analyzing EXE files //
13 // dependencies: NONE //
14 // ///
16 
17 
19 {
20 
21  public function Analyze() {
22  $info = &$this->getid3->info;
23 
24  $this->fseek($info['avdataoffset']);
25  $EXEheader = $this->fread(28);
26 
27  $magic = 'MZ';
28  if (substr($EXEheader, 0, 2) != $magic) {
29  $this->error('Expecting "'.getid3_lib::PrintHexBytes($magic).'" at offset '.$info['avdataoffset'].', found "'.getid3_lib::PrintHexBytes(substr($EXEheader, 0, 2)).'"');
30  return false;
31  }
32 
33  $info['fileformat'] = 'exe';
34  $info['exe']['mz']['magic'] = 'MZ';
35 
36  $info['exe']['mz']['raw']['last_page_size'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 2, 2));
37  $info['exe']['mz']['raw']['page_count'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 4, 2));
38  $info['exe']['mz']['raw']['relocation_count'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 6, 2));
39  $info['exe']['mz']['raw']['header_paragraphs'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 8, 2));
40  $info['exe']['mz']['raw']['min_memory_paragraphs'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 10, 2));
41  $info['exe']['mz']['raw']['max_memory_paragraphs'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 12, 2));
42  $info['exe']['mz']['raw']['initial_ss'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 14, 2));
43  $info['exe']['mz']['raw']['initial_sp'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 16, 2));
44  $info['exe']['mz']['raw']['checksum'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 18, 2));
45  $info['exe']['mz']['raw']['cs_ip'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 20, 4));
46  $info['exe']['mz']['raw']['relocation_table_offset'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 24, 2));
47  $info['exe']['mz']['raw']['overlay_number'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 26, 2));
48 
49  $info['exe']['mz']['byte_size'] = (($info['exe']['mz']['raw']['page_count'] - 1)) * 512 + $info['exe']['mz']['raw']['last_page_size'];
50  $info['exe']['mz']['header_size'] = $info['exe']['mz']['raw']['header_paragraphs'] * 16;
51  $info['exe']['mz']['memory_minimum'] = $info['exe']['mz']['raw']['min_memory_paragraphs'] * 16;
52  $info['exe']['mz']['memory_recommended'] = $info['exe']['mz']['raw']['max_memory_paragraphs'] * 16;
53 
54 $this->error('EXE parsing not enabled in this version of getID3() ['.$this->getid3->version().']');
55 return false;
56 
57  }
58 
59 }
error($text)
Definition: getid3.php:1752
static LittleEndian2Int($byteword, $signed=false)
Definition: getid3.lib.php:292
static PrintHexBytes($string, $hex=true, $spaces=true, $htmlencoding='UTF-8')
Definition: getid3.lib.php:18
fread($bytes)
Definition: getid3.php:1683
fseek($bytes, $whence=SEEK_SET)
Definition: getid3.php:1711
$info
Definition: index.php:5
getID3() by James Heinrich info@getid3.org //