59 lines
3.3 KiB
PHP
59 lines
3.3 KiB
PHP
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<?php
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/////////////////////////////////////////////////////////////////
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/// getID3() by James Heinrich <info@getid3.org> //
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// available at http://getid3.sourceforge.net //
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// or http://www.getid3.org //
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/////////////////////////////////////////////////////////////////
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// See readme.txt for more details //
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/////////////////////////////////////////////////////////////////
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// //
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// module.misc.exe.php //
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// module for analyzing EXE files //
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// dependencies: NONE //
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// ///
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/////////////////////////////////////////////////////////////////
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class getid3_exe extends getid3_handler
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{
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public function Analyze() {
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$info = &$this->getid3->info;
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fseek($this->getid3->fp, $info['avdataoffset'], SEEK_SET);
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$EXEheader = fread($this->getid3->fp, 28);
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$magic = 'MZ';
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if (substr($EXEheader, 0, 2) != $magic) {
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$info['error'][] = 'Expecting "'.getid3_lib::PrintHexBytes($magic).'" at offset '.$info['avdataoffset'].', found "'.getid3_lib::PrintHexBytes(substr($EXEheader, 0, 2)).'"';
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return false;
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}
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$info['fileformat'] = 'exe';
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$info['exe']['mz']['magic'] = 'MZ';
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$info['exe']['mz']['raw']['last_page_size'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 2, 2));
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$info['exe']['mz']['raw']['page_count'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 4, 2));
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$info['exe']['mz']['raw']['relocation_count'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 6, 2));
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$info['exe']['mz']['raw']['header_paragraphs'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 8, 2));
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$info['exe']['mz']['raw']['min_memory_paragraphs'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 10, 2));
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$info['exe']['mz']['raw']['max_memory_paragraphs'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 12, 2));
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$info['exe']['mz']['raw']['initial_ss'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 14, 2));
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$info['exe']['mz']['raw']['initial_sp'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 16, 2));
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$info['exe']['mz']['raw']['checksum'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 18, 2));
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$info['exe']['mz']['raw']['cs_ip'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 20, 4));
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$info['exe']['mz']['raw']['relocation_table_offset'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 24, 2));
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$info['exe']['mz']['raw']['overlay_number'] = getid3_lib::LittleEndian2Int(substr($EXEheader, 26, 2));
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$info['exe']['mz']['byte_size'] = (($info['exe']['mz']['raw']['page_count'] - 1)) * 512 + $info['exe']['mz']['raw']['last_page_size'];
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$info['exe']['mz']['header_size'] = $info['exe']['mz']['raw']['header_paragraphs'] * 16;
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$info['exe']['mz']['memory_minimum'] = $info['exe']['mz']['raw']['min_memory_paragraphs'] * 16;
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$info['exe']['mz']['memory_recommended'] = $info['exe']['mz']['raw']['max_memory_paragraphs'] * 16;
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$info['error'][] = 'EXE parsing not enabled in this version of getID3() ['.$this->getid3->version().']';
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return false;
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}
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}
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