module.misc.exe.php 3.3 KB

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  1. <?php
  2. /////////////////////////////////////////////////////////////////
  3. /// getID3() by James Heinrich <info@getid3.org> //
  4. // available at http://getid3.sourceforge.net //
  5. // or http://www.getid3.org //
  6. /////////////////////////////////////////////////////////////////
  7. // See readme.txt for more details //
  8. /////////////////////////////////////////////////////////////////
  9. // //
  10. // module.misc.exe.php //
  11. // module for analyzing EXE files //
  12. // dependencies: NONE //
  13. // ///
  14. /////////////////////////////////////////////////////////////////
  15. class getid3_exe extends getid3_handler
  16. {
  17. function Analyze() {
  18. $info = &$this->getid3->info;
  19. fseek($this->getid3->fp, $info['avdataoffset'], SEEK_SET);
  20. $EXEheader = fread($this->getid3->fp, 28);
  21. $magic = 'MZ';
  22. if (substr($EXEheader, 0, 2) != $magic) {
  23. $info['error'][] = 'Expecting "'.getid3_lib::PrintHexBytes($magic).'" at offset '.$info['avdataoffset'].', found "'.getid3_lib::PrintHexBytes(substr($EXEheader, 0, 2)).'"';
  24. return false;
  25. }
  26. $info['fileformat'] = 'exe';
  27. $info['exe']['mz']['magic'] = 'MZ';
  28. $info['exe']['mz']['raw']['last_page_size'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 2, 2));
  29. $info['exe']['mz']['raw']['page_count'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 4, 2));
  30. $info['exe']['mz']['raw']['relocation_count'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 6, 2));
  31. $info['exe']['mz']['raw']['header_paragraphs'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 8, 2));
  32. $info['exe']['mz']['raw']['min_memory_paragraphs'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 10, 2));
  33. $info['exe']['mz']['raw']['max_memory_paragraphs'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 12, 2));
  34. $info['exe']['mz']['raw']['initial_ss'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 14, 2));
  35. $info['exe']['mz']['raw']['initial_sp'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 16, 2));
  36. $info['exe']['mz']['raw']['checksum'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 18, 2));
  37. $info['exe']['mz']['raw']['cs_ip'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 20, 4));
  38. $info['exe']['mz']['raw']['relocation_table_offset'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 24, 2));
  39. $info['exe']['mz']['raw']['overlay_number'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 26, 2));
  40. $info['exe']['mz']['byte_size'] = (($info['exe']['mz']['raw']['page_count'] - 1)) * 512 + $info['exe']['mz']['raw']['last_page_size'];
  41. $info['exe']['mz']['header_size'] = $info['exe']['mz']['raw']['header_paragraphs'] * 16;
  42. $info['exe']['mz']['memory_minimum'] = $info['exe']['mz']['raw']['min_memory_paragraphs'] * 16;
  43. $info['exe']['mz']['memory_recommended'] = $info['exe']['mz']['raw']['max_memory_paragraphs'] * 16;
  44. $info['error'][] = 'EXE parsing not enabled in this version of getID3() ['.$this->getid3->version().']';
  45. return false;
  46. }
  47. }
  48. ?>