class.ilVirusScannerAntiVir.php

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<?php
/* Copyright (c) 1998-2009 ILIAS open source, Extended GPL, see docs/LICENSE */

require_once "Services/VirusScanner/classes/class.ilVirusScanner.php";

class ilVirusScannerAntiVir extends ilVirusScanner
{
        public function __construct($a_scancommand, $a_cleancommand)
        {
                parent::__construct($a_scancommand, $a_cleancommand);
                $this->type         = "antivir";
                $this->scanZipFiles = true;
        }

        function scanFile($a_filepath, $a_origname = "")
        {
                // This function should:
                // - call the external scanner for a_filepath
                // - set scanFilePath to a_filepath
                // - set scanFileOrigName to a_origname
                // - set scanFileIsInfected according the scan result
                // - set scanResult to the scanner output message
                // - call logScanResult() if file is infected
                // - return the scanResult, if file is infected
                // - return an empty string, if file is not infected

                $this->scanFilePath     = $a_filepath;
                $this->scanFileOrigName = $a_origname;

                // Call of antivir command
                $cmd = $this->scanCommand . " " . $a_filepath . " ";
                exec($cmd, $out, $ret);
                $this->scanResult = implode("\n", $out);

                // sophie could be called
                if(preg_match('/ALERT:/', $this->scanResult))
                {
                        $this->scanFileIsInfected = true;
                        $this->logScanResult();
                        return $this->scanResult;
                }
                else
                {
                        $this->scanFileIsInfected = false;
                        return "";
                }

                // antivir has failed (todo)
                $this->log->write("ERROR (Virus Scanner failed): "
                        . $this->scanResult
                        . "; COMMAMD=" . $cmd);

        }

}