101 lines
2.8 KiB
PHP
101 lines
2.8 KiB
PHP
<?php
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use LibreNMS\Exceptions\JsonAppParsingFailedException;
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use LibreNMS\Exceptions\JsonAppException;
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use LibreNMS\RRD\RrdDefinition;
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$name = 'fail2ban';
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$app_id = $app['app_id'];
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echo $name;
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try {
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$f2b = json_app_get($device, $name);
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} catch (JsonAppParsingFailedException $e) {
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// Legacy script, build compatible array
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$legacy = explode("\n", $e->getOutput());
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$f2b = [
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'data' => [
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'total' => array_shift($legacy), // total was first line in legacy app
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'jails' => []
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]
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];
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foreach ($legacy as $jail_data) {
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list($jail, $banned) = explode(" ", $jail_data);
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if (isset($jail) && isset($banned)) {
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$f2b['data']['jails'][$jail] = $banned;
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}
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}
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} catch (JsonAppException $e) {
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echo PHP_EOL . $name . ':' .$e->getCode().':'. $e->getMessage() . PHP_EOL;
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update_application($app, $e->getCode().':'.$e->getMessage(), []); // Set empty metrics and error message
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return;
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}
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$f2b = $f2b['data'];
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$metrics = [];
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$rrd_name = array('app', $name, $app_id);
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$rrd_def = RrdDefinition::make()
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->addDataset('banned', 'GAUGE', 0)
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->addDataset('firewalled', 'GAUGE', 0);
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$fields = array(
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'banned' => $f2b['total'],
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'firewalled'=>'U', // legacy ds
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);
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$metrics['total'] = $fields;
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$tags = array('name' => $name, 'app_id' => $app_id, 'rrd_def' => $rrd_def, 'rrd_name' => $rrd_name);
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data_update($device, 'app', $tags, $fields);
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foreach ($f2b['jails'] as $jail => $banned) {
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$rrd_name = array('app', $name, $app_id, $jail);
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$rrd_def = RrdDefinition::make()->addDataset('banned', 'GAUGE', 0);
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$fields = array('banned' => $banned);
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$metrics["jail_$jail"] = $fields;
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$tags = array('name' => $name, 'app_id' => $app_id, 'rrd_def' => $rrd_def, 'rrd_name' => $rrd_name);
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data_update($device, 'app', $tags, $fields);
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}
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update_application($app, 'ok', $metrics);
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//
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// component processing for fail2ban
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//
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$device_id = $device['device_id'];
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$options=array(
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'filter' => array(
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'type' => array('=', 'fail2ban'),
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),
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);
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$component = new LibreNMS\Component();
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$f2b_components = $component->getComponents($device_id, $options);
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// if no jails, delete fail2ban components
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if (empty($jails)) {
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if (isset($f2b_components[$device_id])) {
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foreach ($f2b_components[$device_id] as $component_id => $_unused) {
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$component->deleteComponent($component_id);
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}
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}
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} else {
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if (isset($f2b_components[$device_id])) {
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$f2bc = $f2b_components[$device_id];
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} else {
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$f2bc = $component->createComponent($device_id, 'fail2ban');
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}
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$id = $component->getFirstComponentID($f2bc);
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$f2bc[$id]['label'] = 'Fail2ban Jails';
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$f2bc[$id]['jails'] = json_encode(array_keys($f2b['jails']));
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$component->setComponentPrefs($device_id, $f2bc);
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}
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