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authordigdug3 <digdug3@zonnet.nl>2012-07-25 09:48:51 +0300
committerdigdug3 <digdug3@zonnet.nl>2012-07-25 09:48:51 +0300
commitae7abb368b7336487156d84a1ae24ae46bd400ae (patch)
treecb477dc521570750c0f0d5fa6f6cf426781cba38
parent6d53928d242f8af1d73322e6d1cfa7edf13cd3bc (diff)
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Update config/widget-snort/snort_alerts.widget.php
Sorts all interfaces by date, displays ip and port, fixes Snort alert descriptions with ",". Uses firewall widget setting as number of entries.
-rw-r--r--config/widget-snort/snort_alerts.widget.php128
1 files changed, 75 insertions, 53 deletions
diff --git a/config/widget-snort/snort_alerts.widget.php b/config/widget-snort/snort_alerts.widget.php
index c579a35e..c53f6593 100644
--- a/config/widget-snort/snort_alerts.widget.php
+++ b/config/widget-snort/snort_alerts.widget.php
@@ -2,7 +2,7 @@
/*
snort_alerts.widget.php
Copyright (C) 2009 Jim Pingle
- mod 19-07-2012
+ mod 24-07-2012
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
@@ -26,68 +26,86 @@
POSSIBILITY OF SUCH DAMAGE.
*/
global $config, $g;
-$snort_alerts_title = "Snort Alerts";
-$snort_alerts_title_link = "snort/snort_alerts.php";
+
+/* array sorting */
+function sksort(&$array, $subkey="id", $sort_ascending=false) {
+ if (count($array)) {
+ $temp_array[key($array)] = array_shift($array);
+ };
+
+ foreach ($array as $key => $val){
+ $offset = 0;
+ $found = false;
+ foreach ($temp_array as $tmp_key => $tmp_val) {
+ if (!$found and strtolower($val[$subkey]) > strtolower($tmp_val[$subkey])) {
+ $temp_array = array_merge((array)array_slice($temp_array,0,$offset), array($key => $val), array_slice($temp_array,$offset));
+ $found = true;
+ };
+ $offset++;
+ };
+ if (!$found) $temp_array = array_merge($temp_array, array($key => $val));
+ };
+
+ if ($sort_ascending) {
+ $array = array_reverse($temp_array);
+ } else $array = $temp_array;
+};
+
+/* check if firewall widget variable is set */
+if (!isset($nentries)) $nentries = 5;
/* retrieve snort variables */
require_once("/usr/local/pkg/snort/snort.inc");
+$snortalertlogt = $config['installedpackages']['snortglobal']['snortalertlogtype'];
if (!is_array($config['installedpackages']['snortglobal']['rule']))
$config['installedpackages']['snortglobal']['rule'] = array();
$a_instance = &$config['installedpackages']['snortglobal']['rule'];
/* read log file(s) */
-$snort_alerts = array();
-$tmpblocked = array_flip(snort_get_blocked_ips());
+$counter=0;
foreach ($a_instance as $instanceid => $instance) {
- if ($instance['enable'] != 'on')
- continue;
+ $snort_uuid = $a_instance[$instanceid]['uuid'];
+ $if_real = snort_get_real_interface($a_instance[$instanceid]['interface']);
/* make sure alert file exists */
if (file_exists("/var/log/snort/snort_{$if_real}{$snort_uuid}/alert")) {
- $snort_uuid = $instance['uuid'];
- $if_real = snort_get_real_interface($instance['interface']);
- $tmpfile = "{$g['tmp_path']}/.widget_alert_{$snort_uuid}";
- if (isset($config['syslog']['reverse']))
- exec("tail -10 /var/log/snort/snort_{$if_real}{$snort_uuid}/alert | sort -r > {$tmpfile}");
- else
- exec("tail -10 /var/log/snort/snort_{$if_real}{$snort_uuid}/alert > {$tmpfile}");
- if (file_exists($tmpfile)) {
+ exec("tail -n{$nentries} /var/log/snort/snort_{$if_real}{$snort_uuid}/alert > /tmp/alert_{$snort_uuid}");
+ if (file_exists("/tmp/alert_{$snort_uuid}")) {
+ $tmpblocked = array_flip(snort_get_blocked_ips());
+
/* 0 1 2 3 4 5 6 7 8 9 10 11 12 */
/* File format timestamp,sig_generator,sig_id,sig_rev,msg,proto,src,srcport,dst,dstport,id,classification,priority */
- $fd = fopen($tmpfile, "r");
- while (($fileline = @fgets($fd))) {
- if (empty($fileline))
+ $fd = fopen("/tmp/alert_{$snort_uuid}", "r");
+ while (($fields = fgetcsv($fd, 1000, ',', '"')) !== FALSE) {
+ if(count($fields) < 11)
continue;
- $fields = explode(",", $fileline);
-
- $snort_alert = array();
- $snort_alert[]['instanceid'] = snort_get_friendly_interface($instance['interface']);
- $snort_alert[]['timestamp'] = $fields[0];
- $snort_alert[]['timeonly'] = substr($fields[0], 6, -8);
- $snort_alert[]['dateonly'] = substr($fields[0], 0, -17);
- $snort_alert[]['src'] = $fields[6];
- $snort_alert[]['srcport'] = $fields[7];
- $snort_alert[]['dst'] = $fields[8];
- $snort_alert[]['dstport'] = $fields[9];
- $snort_alert[]['priority'] = $fields[12];
- $snort_alert[]['category'] = $fields[11];
- $snort_alerts[] = $snort_alert;
- }
- fclose($fd);
- @unlink($tmpfile);
- }
- }
-}
-if ($_GET['evalScripts']) {
- /* AJAX specific handlers */
- $new_rules = "";
- foreach($snort_alerts as $log_row)
- $new_rules .= "{$log_row['time']}||{$log_row['priority']}||{$log_row['category']}||{$log_row['src']}||{$log_row['dst']}||{$log_row['timestamp']}||{$log_row['timeonly']}||{$log_row['dateonly']}\n";
+ $snort_alerts[$counter]['instanceid'] = $a_instance[$instanceid]['interface'];
+ $snort_alerts[$counter]['timestamp'] = $fields[0];
+ $snort_alerts[$counter]['timeonly'] = substr($fields[0], 6, -8);
+ $snort_alerts[$counter]['dateonly'] = substr($fields[0], 0, -17);
+ $snort_alerts[$counter]['src'] = $fields[6];
+ $snort_alerts[$counter]['srcport'] = $fields[7];
+ $snort_alerts[$counter]['dst'] = $fields[8];
+ $snort_alerts[$counter]['dstport'] = $fields[9];
+ $snort_alerts[$counter]['priority'] = $fields[12];
+ $snort_alerts[$counter]['category'] = $fields[11];
+ $counter++;
+ };
+ fclose($fd);
+ @unlink("/tmp/alert_{$snort_uuid}");
+ };
+ };
+};
- echo $new_rules;
+/* sort the array */
+if (isset($config['syslog']['reverse'])) {
+ sksort($snort_alerts, 'timestamp', false);
} else {
+ sksort($snort_alerts, 'timestamp', true);
+};
+
/* display the result */
?>
<table width="100%" border="0" cellspacing="0" cellpadding="0">
@@ -98,14 +116,18 @@ if ($_GET['evalScripts']) {
<td width="40%" class="widgetsubheader">Details</td>
</tr>
<?php
-foreach ($snort_alerts as $counter => $alert) {
- echo(" <tr class='snort-alert-entry'" . $activerow . ">
- <td width='30%' class='listr'>{$alert['instanceid']}<br/>{$alert['timeonly']} {$alert['dateonly']}</td>
- <td width='40%' class='listr'>{$alert['src']}:{$alert['srcport']}<br/>{$alert['dst']}:{$alert['dstport']}</td>
- <td width='40%' class='listr'>Pri : {$alert['priority']}<br/>Cat : {$alert['category']}</td>
- </tr>");
-}
+$counter=0;
+if (is_array($snort_alerts)) {
+ foreach ($snort_alerts as $alert) {
+ echo(" <tr class='snort-alert-entry'" . $activerow . ">
+ <td width='30%' class='listr'>" . $alert['instanceid'] . "<br>" . $alert['timeonly'] . " " . $alert['dateonly'] . "</td>
+ <td width='40%' class='listr'>" . $alert['src'] . ":" . $alert['srcport'] . "<br>" . $alert['dst'] . ":" . $alert['dstport'] . "</td>
+ <td width='40%' class='listr'>Pri : " . $alert['priority'] . "<br>Cat : " . $alert['category'] . "</td>
+ </tr>");
+ $counter++;
+ if($counter >= $nentries) break;
+ }
+};
?>
</tbody>
-</table>
-<?php } ?>
+</table> \ No newline at end of file