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<?php |
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/* Copyright (C) 2000-2005 Rodolphe Quiedeville <[email protected]> |
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* Copyright (C) 2003 Jean-Louis Bergamo <[email protected]> |
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* Copyright (C) 2004-2009 Laurent Destailleur <[email protected]> |
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* Copyright (C) 2005-2009 Regis Houssin <[email protected]> |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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* or see http://www.gnu.org/ |
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*/ |
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/** |
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* \file htdocs/core/class/antivir.class.php |
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* \brief File of class to scan viruses |
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* \author Laurent Destailleur. |
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*/ |
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/** |
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* \class AntiVir |
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* \brief Class to scan for virus |
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*/ |
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class AntiVir |
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{ |
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var $error; |
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/** |
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* |
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* @var string[] Error codes (or messages) |
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*/ |
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public $errors = array ();; |
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var $output; |
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var $db; |
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/** |
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* Constructor |
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* |
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* @param DoliDB $db Database handler |
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*/ |
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function __construct($db) |
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{ |
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$this->db=$db; |
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} |
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/** |
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* Scan a file with antivirus. |
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* This function runs the command defined in setup. This antivirus command must return 0 if OK. |
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* Return also true (virus found) if file end with '.virus' (so we can make test safely). |
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* |
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* @param string $file File to scan |
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* @return int <0 if KO (-98 if error, -99 if virus), 0 if OK |
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*/ |
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function dol_avscan_file($file) |
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{ |
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global $conf; |
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$return = 0; |
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if (preg_match('/\.virus$/i', $file)) |
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{ |
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$this->errors='File has an extension saying file is a virus'; |
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return -97; |
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} |
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$fullcommand=$this->getCliCommand($file); |
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//$fullcommand='"c:\Program Files (x86)\ClamWin\bin\clamscan.exe" --database="C:\Program Files (x86)\ClamWin\lib" "c:\temp\aaa.txt"'; |
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$fullcommand.=' 2>&1'; // This is to get error output |
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$output=array(); |
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$return_var=0; |
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$safemode=ini_get("safe_mode"); |
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// Create a clean fullcommand |
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dol_syslog("AntiVir::dol_avscan_file Run command=".$fullcommand." with safe_mode ".($safemode?"on":"off")); |
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// Run CLI command. If run of Windows, you can get return with echo %ERRORLEVEL% |
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$lastline=exec($fullcommand, $output, $return_var); |
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//print "x".$lastline." - ".join(',',$output)." - ".$return_var."y";exit; |
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/* |
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$outputfile=$conf->admin->dir_temp.'/dol_avscan_file.out.'.session_id(); |
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$handle = fopen($outputfile, 'w'); |
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if ($handle) |
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{ |
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$handlein = popen($fullcommand, 'r'); |
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while (!feof($handlein)) |
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{ |
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$read = fgets($handlein); |
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fwrite($handle,$read); |
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} |
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pclose($handlein); |
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$errormsg = fgets($handle,2048); |
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$this->output=$errormsg; |
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fclose($handle); |
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if (! empty($conf->global->MAIN_UMASK)) |
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@chmod($outputfile, octdec($conf->global->MAIN_UMASK)); |
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} |
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else |
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{ |
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$langs->load("errors"); |
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dol_syslog("Failed to open file ".$outputfile,LOG_ERR); |
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$this->error="ErrorFailedToWriteInDir"; |
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$return=-1; |
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} |
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*/ |
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dol_syslog("AntiVir::dol_avscan_file Result return_var=".$return_var." output=".join(',',$output)); |
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$returncodevirus=1; |
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if ($return_var == $returncodevirus) // Virus found |
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{ |
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$this->errors=$output; |
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return -99; |
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} |
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if ($return_var > 0) // If other error |
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{ |
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$this->errors=$output; |
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return -98; |
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} |
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// If return code = 0 |
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return 1; |
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} |
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/** |
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* Get full Command Line to run |
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* |
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* @param string $file File to scan |
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* @return string Full command line to run |
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*/ |
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function getCliCommand($file) |
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{ |
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global $conf; |
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$maxreclevel = 5 ; // maximal recursion level |
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$maxfiles = 1000; // maximal number of files to be scanned within archive |
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$maxratio = 200; // maximal compression ratio |
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$bz2archivememlim = 0; // limit memory usage for bzip2 (0/1) |
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$maxfilesize = 10485760; // archived files larger than this value (in bytes) will not be scanned |
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$command=$conf->global->MAIN_ANTIVIRUS_COMMAND; |
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$param=$conf->global->MAIN_ANTIVIRUS_PARAM; |
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$param=preg_replace('/%maxreclevel/',$maxreclevel,$param); |
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$param=preg_replace('/%maxfiles/',$maxfiles,$param); |
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$param=preg_replace('/%maxratio/',$maxratio,$param); |
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$param=preg_replace('/%bz2archivememlim/',$bz2archivememlim,$param); |
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$param=preg_replace('/%maxfilesize/',$maxfilesize,$param); |
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$param=preg_replace('/%file/',trim($file),$param); |
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if (! preg_match('/%file/',$conf->global->MAIN_ANTIVIRUS_PARAM)) |
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$param=$param." ".escapeshellarg(trim($file)); |
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if (preg_match("/\s/",$command)) $command=escapeshellarg($command); // Use quotes on command. Using escapeshellcmd fails. |
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$ret=$command.' '.$param; |
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//$ret=$command.' '.$param.' 2>&1'; |
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//print "xx".$ret."xx";exit; |
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return $ret; |
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} |
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} |
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Dolibarr /
dolibarr
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