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librenms-librenms/includes/polling/applications/fail2ban.inc.php

88 lines
2.2 KiB
PHP

<?php
use LibreNMS\RRD\RrdDefinition;
echo "fail2ban";
$name = 'fail2ban';
$app_id = $app['app_id'];
$options = '-O qv';
$oid = '.1.3.6.1.4.1.8072.1.3.2.3.1.2.8.102.97.105.108.50.98.97.110';
$f2b = snmp_walk($device, $oid, $options);
$f2b = trim($f2b, '"');
update_application($app, $f2b);
$bannedStuff = explode("\n", $f2b);
$total_banned=$bannedStuff[0];
$firewalled=$bannedStuff[1];
$rrd_name = array('app', $name, $app_id);
$rrd_def = RrdDefinition::make()
->addDataset('banned', 'GAUGE', 0)
->addDataset('firewalled', 'GAUGE', 0);
$fields = array(
'banned' =>$total_banned,
'firewalled' => $firewalled,
);
$tags = array('name' => $name, 'app_id' => $app_id, 'rrd_def' => $rrd_def, 'rrd_name' => $rrd_name);
data_update($device, 'app', $tags, $fields);
$int=2;
$jails=array();
while (isset($bannedStuff[$int])) {
list($jail, $banned) = explode(" ", $bannedStuff[$int]);
if (isset($jail) && isset($banned)) {
$jails[] = $jail;
$rrd_name = array('app', $name, $app_id, $jail);
$rrd_def = RrdDefinition::make()->addDataset('banned', 'GAUGE', 0);
$fields = array('banned' => $banned);
$tags = array('name' => $name, 'app_id' => $app_id, 'rrd_def' => $rrd_def, 'rrd_name' => $rrd_name);
data_update($device, 'app', $tags, $fields);
}
$int++;
}
//
// component processing for fail2ban
//
$device_id=$device['device_id'];
$options=array(
'filter' => array(
'type' => array('=', 'fail2ban'),
),
);
$component = new LibreNMS\Component();
$f2b_components = $component->getComponents($device_id, $options);
// if no jails, delete fail2ban components
if (empty($jails)) {
if (isset($f2b_components[$device_id])) {
foreach ($f2b_components[$device_id] as $component_id => $_unused) {
$component->deleteComponent($component_id);
}
}
} else {
if (isset($f2b_components[$device_id])) {
$f2bc = $f2b_components[$device_id];
} else {
$f2bc = $component->createComponent($device_id, 'fail2ban');
}
$id = $component->getFirstComponentID($f2bc);
$f2bc[$id]['label'] = 'Fail2ban Jails';
$f2bc[$id]['jails'] = json_encode($jails);
$component->setComponentPrefs($device_id, $f2bc);
}