nextcloud/apps/media/getID3/getid3/module.misc.exe.php

59 lines
3.3 KiB
PHP

<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at http://getid3.sourceforge.net //
// or http://www.getid3.org //
/////////////////////////////////////////////////////////////////
// See readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.misc.exe.php //
// module for analyzing EXE files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
class getid3_exe
{
function getid3_exe(&$fd, &$ThisFileInfo) {
fseek($fd, $ThisFileInfo['avdataoffset'], SEEK_SET);
$EXEheader = fread($fd, 28);
if (substr($EXEheader, 0, 2) != 'MZ') {
$ThisFileInfo['error'][] = 'Expecting "MZ" at offset '.$ThisFileInfo['avdataoffset'].', found "'.substr($EXEheader, 0, 2).'" instead.';
return false;
}
$ThisFileInfo['fileformat'] = 'exe';
$ThisFileInfo['exe']['mz']['magic'] = 'MZ';
$ThisFileInfo['exe']['mz']['raw']['last_page_size'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 2, 2));
$ThisFileInfo['exe']['mz']['raw']['page_count'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 4, 2));
$ThisFileInfo['exe']['mz']['raw']['relocation_count'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 6, 2));
$ThisFileInfo['exe']['mz']['raw']['header_paragraphs'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 8, 2));
$ThisFileInfo['exe']['mz']['raw']['min_memory_paragraphs'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 10, 2));
$ThisFileInfo['exe']['mz']['raw']['max_memory_paragraphs'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 12, 2));
$ThisFileInfo['exe']['mz']['raw']['initial_ss'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 14, 2));
$ThisFileInfo['exe']['mz']['raw']['initial_sp'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 16, 2));
$ThisFileInfo['exe']['mz']['raw']['checksum'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 18, 2));
$ThisFileInfo['exe']['mz']['raw']['cs_ip'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 20, 4));
$ThisFileInfo['exe']['mz']['raw']['relocation_table_offset'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 24, 2));
$ThisFileInfo['exe']['mz']['raw']['overlay_number'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 26, 2));
$ThisFileInfo['exe']['mz']['byte_size'] = (($ThisFileInfo['exe']['mz']['raw']['page_count'] - 1)) * 512 + $ThisFileInfo['exe']['mz']['raw']['last_page_size'];
$ThisFileInfo['exe']['mz']['header_size'] = $ThisFileInfo['exe']['mz']['raw']['header_paragraphs'] * 16;
$ThisFileInfo['exe']['mz']['memory_minimum'] = $ThisFileInfo['exe']['mz']['raw']['min_memory_paragraphs'] * 16;
$ThisFileInfo['exe']['mz']['memory_recommended'] = $ThisFileInfo['exe']['mz']['raw']['max_memory_paragraphs'] * 16;
$ThisFileInfo['error'][] = 'EXE parsing not enabled in this version of getID3()';
return false;
}
}
?>