<? function get_havp_alerts($havp_alerts, $nentries, $tail = 20) { global $config, $g; $logarr = ""; /* Always do a reverse tail, to be sure we're grabbing the 'end' of the alerts. */ exec("/usr/bin/tail -r -n {$tail} {$havp_alerts}", $logarr); $havpalerts = array(); $counter = 0; foreach ($logarr as $logent) { if($counter >= $nentries) break; $alert = parse_havp_alert_line($logent); if ($alert != "") { $counter++; $havpalerts[] = $alert; } } /* Since the rules are in reverse order, flip them around if needed based on the user's preference */ return isset($config['syslog']['reverse']) ? $havpalerts : array_reverse($havpalerts); } function parse_havp_alert_line($line) { $log_split = ""; preg_match("/^(\d+\/\d+\/\d+)\s+(\d+:\d+:\d+)\s+(\d+.\d+.\d+.\d+)\s+\w+\s+\d+\s+(https?:\/\/([0-9a-z-]+\.)+([a-z]{2,3}|aero|coop|jobs|mobi|museum|name|travel)(:[0-9]{1,5})?(\/[^ ]*)?)\s+[0-9+]+\s+\w+\s+\w+:\s+([\S]+)$/U", $line, $log_split); list($all, $alert['date'], $alert['time'], $alert['lanip'], $alert['url'], $alert['dontcare1'], $alert['dontcare2'], $alert['dontcare3'], $alert['query'], $alert['virusname']) = $log_split; $usableline = true; if(trim($alert['url']) == "") $usableline = false; if(trim($alert['virusname']) == "") $usableline = false; if($usableline == true) { return $alert; } else { if($g['debug']) { log_error("There was a error parsing line: $line. Please report to mailing list or forum."); } return ""; } } /* AJAX specific handlers */ function handle_havp_ajax($havp_alerts_logfile, $nentries = 5, $tail = 50) { if($_GET['lastsawtime'] or $_POST['lastsawtime']) { if($_GET['lastsawtime']) $lastsawtime = $_GET['lastsawtime']; if($_POST['lastsawtime']) $lastsawtime = $_POST['lastsawtime']; /* compare lastsawrule's time stamp to alert logs. * afterwards return the newer records so that client * can update AJAX interface screen. */ $new_rules = ""; $time_regex = ""; $havp_alerts = get_havp_alerts($havp_alerts_logfile, $nentries); foreach($havp_alerts as $log_row) { preg_match("/^([0-9][0-9])\/([0-9][0-9])\/([0-9][0-9][0-9][0-9])$/U",$log_row['date'] , $time_regex); # $time_regex = "";"/^([0-9][0-9])\/([0-9][0-9])\/([0-9][0-9][0-9][0-9])\s+([0-9][0-9]:[0-9][0-9]:[0-9][0-9])$/U" // preg_match("/.*([0-9][0-9]:[0-9][0-9]:[0-9][0-9]).*/", $log_row['date'] . " " . $log_row['time'], $time_regex); $row_time = strtotime($time_regex[2] . "/" . $time_regex[1] . "/" . $time_regex[3] . " " . $log_row['time']); // $myfile = "/testfile.txt"; // $fh = fopen($myfile,'a') or die("can't open file"); // $stringdata = $lastsawtime . "-" . $row_time . "\n"; // fwrite($fh, $stringdata); // fclose($fh); if($row_time > $lastsawtime and $lastsawtime > 0) { $new_rules .= "{$log_row['url']}||{$log_row['virusname']}||" . time() . "||{$log_row['date']}||{$log_row['time']}||" . "\n"; } } echo $new_rules; exit; } } ?>