mirror of
https://github.com/librenms/librenms.git
synced 2024-10-07 16:52:45 +00:00
734 lines
25 KiB
PHP
Executable File
734 lines
25 KiB
PHP
Executable File
#!/usr/bin/env php
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<?php
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/*
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* Copyright (C) 2014 <singh@devilcode.org>
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* Modified and Relicensed by <f0o@devilcode.org> under the expressed
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* permission by the Copyright-Holder <singh@devilcode.org>.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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* */
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chdir(dirname($argv[0]));
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require_once 'includes/defaults.inc.php';
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require_once 'config.php';
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require_once 'includes/definitions.inc.php';
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require_once 'includes/functions.php';
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require_once 'includes/discovery/functions.inc.php';
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error_reporting(E_ERROR);
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class ircbot {
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private $data = '';
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private $authd = array();
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private $debug = false;
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private $server = '';
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private $port = '';
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private $ssl = false;
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private $pass = '';
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private $nick = 'LibreNMS';
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private $chan = array();
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private $commands = array(
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'auth',
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'quit',
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'listdevices',
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'device',
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'port',
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'down',
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'version',
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'status',
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'log',
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'help',
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'reload',
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'join',
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);
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private $external = array();
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private $tick = 62500;
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public function __construct() {
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global $config, $database_link;
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$this->log('Setting up IRC-Bot..');
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if (is_resource($database_link)) {
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$this->sql = $database_link;
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}
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$this->config = $config;
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$this->debug = $this->config['irc_debug'];
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$this->config['irc_authtime'] = $this->config['irc_authtime'] ? $this->config['irc_authtime'] : 3;
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$this->max_retry = $this->config['irc_maxretry'];
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$this->server = $this->config['irc_host'];
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if ($this->config['irc_port'][0] == '+') {
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$this->ssl = true;
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$this->port = substr($this->config['irc_port'], 1);
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}
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else {
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$this->port = $this->config['irc_port'];
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}
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if ($this->config['irc_nick']) {
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$this->nick = $this->config['irc_nick'];
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}
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if ($this->config['irc_chan']) {
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if (is_array($this->config['irc_chan'])) {
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$this->chan = $this->config['irc_chan'];
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}
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else if (strstr($this->config['irc_chan'], ',')) {
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$this->chan = explode(',', $this->config['irc_chan']);
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}
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else {
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$this->chan = array($this->config['irc_chan']);
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}
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}
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if ($this->config['irc_alert_chan']) {
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if (strstr($this->config['irc_alert_chan'], ',')) {
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$this->config['irc_alert_chan'] = explode(',', $this->config['irc_alert_chan']);
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}
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else {
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$this->config['irc_alert_chan'] = array($this->config['irc_alert_chan']);
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}
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}
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if ($this->config['irc_pass']) {
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$this->pass = $this->config['irc_pass'];
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}
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$this->load_external();
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$this->log('Starting IRC-Bot..');
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$this->init();
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}//end __construct()
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private function load_external() {
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if (!$this->config['irc_external']) {
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return true;
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}
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$this->log('Caching external commands...');
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if (!is_array($this->config['irc_external'])) {
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$this->config['irc_external'] = explode(',', $this->config['irc_external']);
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}
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foreach ($this->config['irc_external'] as $ext) {
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if (($this->external[$ext] = file_get_contents('includes/ircbot/'.$ext.'.inc.php')) == '') {
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unset($this->external[$ext]);
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}
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}
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return $this->log('Cached '.sizeof($this->external).' commands.');
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}//end load_external()
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private function init() {
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if ($this->config['irc_alert']) {
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$this->connect_alert();
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}
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$this->j = 2;
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$this->connect();
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$this->log('Connected');
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if ($this->pass) {
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fwrite($this->socket['irc'], 'PASS '.$this->pass."\n\r");
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}
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$this->doAuth();
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while (true) {
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foreach ($this->socket as $n => $socket) {
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if (!is_resource($socket) || feof($socket)) {
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$this->log("Socket '$n' closed. Restarting.");
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break 2;
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}
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}
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$this->getData();
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if ($this->config['irc_alert']) {
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$this->alertData();
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}
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usleep($this->tick);
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}
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return $this->init();
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}//end init()
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private function connect_alert() {
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$f = $this->config['install_dir'].'/.ircbot.alert';
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if (( file_exists($f) && filetype($f) != 'fifo' && !unlink($f) ) || ( !file_exists($f) && !shell_exec("mkfifo $f && echo 1") )) {
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$this->log('Error - Cannot create Alert-File');
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return false;
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}
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if (($this->socket['alert'] = fopen($f, 'r+'))) {
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$this->log('Opened Alert-File');
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stream_set_blocking($this->socket['alert'], false);
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return true;
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}
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$this->log('Error - Cannot open Alert-File');
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return false;
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}//end connect_alert()
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private function read($buff) {
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$r = fread($this->socket[$buff], 64);
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$this->buff[$buff] .= $r;
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$r = strlen($r);
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if (strstr($this->buff[$buff], "\n")) {
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$tmp = explode("\n", $this->buff[$buff], 2);
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$this->buff[$buff] = substr($this->buff[$buff], (strlen($tmp[0]) + 1));
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if ($this->debug) {
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$this->log("Returning buffer '$buff': '".trim($tmp[0])."'");
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}
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return $tmp[0];
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}
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if ($this->debug && $r > 0) {
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$this->log("Expanding buffer '$buff' = '".trim($this->buff[$buff])."'");
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}
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return false;
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}//end read()
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private function alertData() {
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if (($alert = $this->read('alert')) !== false) {
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$alert = json_decode($alert, true);
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if (!is_array($alert)) {
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return false;
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}
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switch ($alert['state']):
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case 3: $severity_extended = '+'; break;
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case 4: $severity_extended = '-'; break;
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default: $severity_extended = '';
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endswitch;
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$severity = str_replace(array('warning', 'critical'), array(chr(3).'8Warning', chr(3).'4Critical'), $alert['severity']).$severity_extended.chr(3).' ';
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if ($alert['state'] == 0 and $this->config['irc_alert_utf8']) {
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$severity = str_replace(array('Warning', 'Critical'), array('W̶a̶r̶n̶i̶n̶g̶', 'C̶r̶i̶t̶i̶c̶a̶l̶'), $severity);
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}
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if ($this->config['irc_alert_chan']) {
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foreach ($this->config['irc_alert_chan'] as $chan) {
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$this->irc_raw('PRIVMSG '.$chan.' :'.$severity.trim($alert['title']).' - Rule: '.trim($alert['name'] ? $alert['name'] : $alert['rule']).(sizeof($alert['faults']) > 0 ? ' - Faults:' : ''));
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foreach ($alert['faults'] as $k => $v) {
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$this->irc_raw('PRIVMSG '.$chan.' :#'.$k.' '.$v['string']);
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}
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}
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}
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else {
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foreach ($this->authd as $nick => $data) {
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if ($data['expire'] >= time()) {
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$this->irc_raw('PRIVMSG '.$nick.' :'.$severity.trim($alert['title']).' - Rule: '.trim($alert['name'] ? $alert['name'] : $alert['rule']).(sizeof($alert['faults']) > 0 ? ' - Faults'.(sizeof($alert['faults']) > 3 ? ' (showing first 3 out of '.sizeof($alert['faults']).' )' : '' ).':' : ''));
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foreach ($alert['faults'] as $k => $v) {
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$this->irc_raw('PRIVMSG '.$nick.' :#'.$k.' '.$v['string']);
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if ($k >= 3) {
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break;
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}
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}
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}
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}
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}
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}//end if
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}//end alertData()
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private function getData() {
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if (($data = $this->read('irc')) !== false) {
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$this->data = $data;
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$ex = explode(' ', $this->data);
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if ($ex[0] == 'PING') {
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return $this->irc_raw('PONG '.$ex[1]);
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}
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if ($ex[1] == 376 || ($ex[1] == 'MODE' && $ex[2] == $this->nick)) {
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if ($this->j == 2) {
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$this->joinChan();
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$this->j = 0;
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}
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}
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$this->command = str_replace(array(chr(10), chr(13)), '', $ex[3]);
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if (strstr($this->command, ':.')) {
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$this->handleCommand();
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}
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}
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}//end getData()
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private function joinChan($chan=false) {
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if ($chan) {
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$this->chan[] = $chan;
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}
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foreach ($this->chan as $chan) {
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$this->irc_raw('JOIN '.$chan);
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}
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return true;
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}//end joinChan()
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private function handleCommand() {
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$this->command = str_replace(':.', '', $this->command);
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$tmp = explode(':.'.$this->command.' ', $this->data);
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$this->user = $this->get_user();
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if ($this->isAuthd() || trim($this->command) == 'auth') {
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$this->proceedCommand(str_replace("\n", '', trim($this->command)), trim($tmp[1]));
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}
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$this->authd[$this->getUser($this->data)] = $this->user;
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return false;
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}//end handleCommand()
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private function proceedCommand($command, $params) {
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$command = strtolower($command);
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if (in_array($command, $this->commands)) {
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$this->chkdb();
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$this->log($command." ( '".$params."' )");
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return $this->{'_'.$command}($params);
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}
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else if ($this->external[$command]) {
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$this->chkdb();
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$this->log($command." ( '".$params."' ) [Ext]");
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return eval($this->external[$command]);
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}
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return false;
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}//end proceedCommand()
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private function respond($msg) {
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$chan = $this->getChan($this->data);
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return $this->sendMessage($msg, strstr($chan, '#') ? $chan : $this->getUser($this->data));
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}//end respond()
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private function getChan($param) {
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$data = explode('PRIVMSG ', $this->data, 3);
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$data = explode(' ', $data[1], 2);
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return $data[0];
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}//end getChan()
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private function getUser($param) {
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$arrData = explode('!', $param, 2);
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return str_replace(':', '', $arrData[0]);
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}//end getUser()
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private function connect($try) {
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if ($try > $this->max_retry) {
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$this->log('Failed too many connection attempts, aborting');
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return die();
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}
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$this->log('Trying to connect to '.$this->server.':'.$this->port.($this->ssl ? ' (SSL)' : ''));
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if ($this->socket['irc']) {
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fclose($this->socket['irc']);
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}
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if ($this->ssl) {
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$server = 'ssl://'.$this->server;
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}
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else {
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$server = $this->server;
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}
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$this->socket['irc'] = fsockopen($server, $this->port);
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if (!is_resource($this->socket['irc'])) {
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return $this->connect($try + 1);
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}
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else {
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stream_set_blocking($this->socket['irc'], false);
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return true;
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}
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}//end connect()
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private function doAuth() {
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if ($this->irc_raw('USER '.$this->nick.' 0 '.$this->nick.' :'.$this->nick) && $this->irc_raw('NICK '.$this->nick)) {
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return true;
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}
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return false;
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}//end doAuth()
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private function sendMessage($message, $chan) {
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if ($this->debug) {
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$this->log("Sending 'PRIVMSG ".trim($chan).' :'.trim($message)."'");
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}
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return $this->irc_raw('PRIVMSG '.trim($chan).' :'.trim($message));
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}//end sendMessage()
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private function log($msg) {
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echo '['.date('r').'] '.trim($msg)."\n";
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return true;
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}//end log()
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private function chkdb() {
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if (!is_resource($this->sql)) {
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if (($this->sql = mysql_connect($this->config['db_host'], $this->config['db_user'], $this->config['db_pass'])) != false && mysql_select_db($this->config['db_name'])) {
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return true;
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}
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else {
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$this->log('Cannot connect to MySQL');
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return die();
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}
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}
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else {
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return true;
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}
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}//end chkdb()
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private function isAuthd() {
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if ($this->user['expire'] >= time()) {
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$this->user['expire'] = (time() + ($this->config['irc_authtime'] * 3600));
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return true;
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}
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else {
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return false;
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}
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}//end isAuthd()
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private function get_user() {
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return $this->authd[$this->getUser($this->data)];
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}//end get_user()
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private function irc_raw($params) {
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return fputs($this->socket['irc'], $params."\r\n");
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}//end irc_raw()
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private function _auth($params) {
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$params = explode(' ', $params, 2);
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if (strlen($params[0]) == 64) {
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if ($this->tokens[$this->getUser($this->data)] == $params[0]) {
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$this->user['expire'] = (time() + ($this->config['irc_authtime'] * 3600));
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$tmp = dbFetchRow('SELECT level FROM users WHERE user_id = ?', array($this->user['id']));
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$this->user['level'] = $tmp['level'];
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if ($this->user['level'] < 5) {
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foreach (dbFetchRows('SELECT device_id FROM devices_perms WHERE user_id = ?', array($this->user['id'])) as $tmp) {
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$this->user['devices'][] = $tmp['device_id'];
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}
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foreach (dbFetchRows('SELECT port_id FROM ports_perms WHERE user_id = ?', array($this->user['id'])) as $tmp) {
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$this->user['ports'][] = $tmp['port_id'];
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}
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}
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return $this->respond('Authenticated.');
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}
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else {
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return $this->respond('Nope.');
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}
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}
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else {
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$user = dbFetchRow('SELECT `user_id`,`username`,`email` FROM `users` WHERE `username` = ?', array(mres($params[0])));
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if ($user['email'] && $user['username'] == $params[0]) {
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$token = hash('gost', openssl_random_pseudo_bytes(1024));
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$this->tokens[$this->getUser($this->data)] = $token;
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$this->user['name'] = $params[0];
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$this->user['id'] = $user['user_id'];
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if ($this->debug) {
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$this->log("Auth for '".$params[0]."', ID: '".$user['user_id']."', Token: '".$token."', Mail: '".$user['email']."'");
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}
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if (send_mail($user['email'], 'LibreNMS IRC-Bot Authtoken', "Your Authtoken for the IRC-Bot:\r\n\r\n".$token."\r\n\r\n") === true) {
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return $this->respond('Token sent!');
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}
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else {
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return $this->respond('Sorry, seems like mail doesnt like us.');
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}
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}
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else {
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return $this->respond('Who are you again?');
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}
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}//end if
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return false;
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}//end _auth()
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private function _reload() {
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if ($this->user['level'] == 10) {
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global $config;
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$config = array();
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include 'includes/defaults.inc.php';
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include 'config.php';
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include 'includes/definitions.inc.php';
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$this->respond('Reloading configuration & defaults');
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if ($config != $this->config) {
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return $this->__construct();
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}
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}
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else {
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return $this->respond('Permission denied.');
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}
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}//end _reload()
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private function _join($params) {
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if ($this->user['level'] == 10) {
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return $this->joinChan($params);
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}
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else {
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return $this->respond('Permission denied.');
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}
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}//end _join()
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|
|
|
|
private function _quit($params) {
|
|
if ($this->user['level'] == 10) {
|
|
return die();
|
|
}
|
|
else {
|
|
return $this->respond('Permission denied.');
|
|
}
|
|
|
|
}//end _quit()
|
|
|
|
|
|
private function _help($params) {
|
|
foreach ($this->commands as $cmd) {
|
|
$msg .= ', '.$cmd;
|
|
}
|
|
|
|
$msg = substr($msg, 2);
|
|
return $this->respond("Available commands: $msg");
|
|
|
|
}//end _help()
|
|
|
|
|
|
private function _version($params) {
|
|
return $this->respond($this->config['project_name_version'].', PHP: '.PHP_VERSION);
|
|
|
|
}//end _version()
|
|
|
|
|
|
private function _log($params) {
|
|
$num = 1;
|
|
if ($params > 1) {
|
|
$num = $params;
|
|
}
|
|
|
|
if ($this->user['level'] < 5) {
|
|
$tmp = dbFetchRows('SELECT `event_id`,`host`,`datetime`,`message`,`type` FROM `eventlog` WHERE `host` IN ('.implode(',', $this->user['devices']).') ORDER BY `event_id` DESC LIMIT '.mres($num));
|
|
}
|
|
else {
|
|
$tmp = dbFetchRows('SELECT `event_id`,`host`,`datetime`,`message`,`type` FROM `eventlog` ORDER BY `event_id` DESC LIMIT '.mres($num));
|
|
}
|
|
|
|
foreach ($tmp as $device) {
|
|
$hostid = dbFetchRow('SELECT `hostname` FROM `devices` WHERE `device_id` = '.$device['host']);
|
|
$this->respond($device['event_id'].' '.$hostid['hostname'].' '.$device['datetime'].' '.$device['message'].' '.$device['type']);
|
|
}
|
|
|
|
if (!$hostid) {
|
|
$this->respond('Nothing to see, maybe a bug?');
|
|
}
|
|
|
|
return true;
|
|
|
|
}//end _log()
|
|
|
|
|
|
private function _down($params) {
|
|
if ($this->user['level'] < 5) {
|
|
$tmp = dbFetchRows('SELECT `hostname` FROM `devices` WHERE status=0 AND `device_id` IN ('.implode(',', $this->user['devices']).')');
|
|
}
|
|
else {
|
|
$tmp = dbFetchRows('SELECT `hostname` FROM `devices` WHERE status=0');
|
|
}
|
|
|
|
foreach ($tmp as $db) {
|
|
if ($db['hostname']) {
|
|
$msg .= ', '.$db['hostname'];
|
|
}
|
|
}
|
|
|
|
$msg = substr($msg, 2);
|
|
$msg = $msg ? $msg : 'Nothing to show :)';
|
|
return $this->respond($msg);
|
|
|
|
}//end _down()
|
|
|
|
|
|
private function _device($params) {
|
|
$params = explode(' ', $params);
|
|
$hostname = $params[0];
|
|
$device = dbFetchRow('SELECT * FROM `devices` WHERE `hostname` = ?', array($hostname));
|
|
if (!$device) {
|
|
return $this->respond('Error: Bad or Missing hostname, use .listdevices to show all devices.');
|
|
}
|
|
|
|
if ($this->user['level'] < 5 && !in_array($device['device_id'], $this->user['devices'])) {
|
|
return $this->respond('Error: Permission denied.');
|
|
}
|
|
|
|
$status = $device['status'] ? 'Up '.formatUptime($device['uptime']) : 'Down';
|
|
$status .= $device['ignore'] ? '*Ignored*' : '';
|
|
$status .= $device['disabled'] ? '*Disabled*' : '';
|
|
return $this->respond($device['os'].' '.$device['version'].' '.$device['features'].' '.$status);
|
|
|
|
}//end _device()
|
|
|
|
|
|
private function _port($params) {
|
|
$params = explode(' ', $params);
|
|
$hostname = $params[0];
|
|
$ifname = $params[1];
|
|
if (!$hostname || !$ifname) {
|
|
return $this->respond('Error: Missing hostname or ifname.');
|
|
}
|
|
|
|
$device = dbFetchRow('SELECT * FROM `devices` WHERE `hostname` = ?', array($hostname));
|
|
$port = dbFetchRow('SELECT * FROM `ports` WHERE `ifName` = ? OR `ifDescr` = ? AND device_id = ?', array($ifname, $ifname, $device['device_id']));
|
|
if ($this->user['level'] < 5 && !in_array($port['port_id'], $this->user['ports']) && !in_array($device['device_id'], $this->user['devices'])) {
|
|
return $this->respond('Error: Permission denied.');
|
|
}
|
|
|
|
$bps_in = formatRates($port['ifInOctets_rate']);
|
|
$bps_out = formatRates($port['ifOutOctets_rate']);
|
|
$pps_in = format_bi($port['ifInUcastPkts_rate']);
|
|
$pps_out = format_bi($port['ifOutUcastPkts_rate']);
|
|
return $this->respond($port['ifAdminStatus'].'/'.$port['ifOperStatus'].' '.$bps_in.' > bps > '.$bps_out.' | '.$pps_in.'pps > PPS > '.$pps_out.'pps');
|
|
|
|
}//end _port()
|
|
|
|
|
|
private function _listdevices($params) {
|
|
if ($this->user['level'] < 5) {
|
|
$tmp = dbFetchRows('SELECT `hostname` FROM `devices` WHERE `device_id` IN ('.implode(',', $this->user['devices']).')');
|
|
}
|
|
else {
|
|
$tmp = dbFetchRows('SELECT `hostname` FROM `devices`');
|
|
}
|
|
|
|
foreach ($tmp as $device) {
|
|
$msg .= ', '.$device['hostname'];
|
|
}
|
|
|
|
$msg = substr($msg, 2);
|
|
$msg = $msg ? $msg : 'Nothing to show..?';
|
|
return $this->respond($msg);
|
|
|
|
}//end _listdevices()
|
|
|
|
|
|
private function _status($params) {
|
|
$params = explode(' ', $params);
|
|
$statustype = $params[0];
|
|
if ($this->user['level'] < 5) {
|
|
$d_w = ' WHERE device_id IN ('.implode(',', $this->user['devices']).')';
|
|
$d_a = ' AND device_id IN ('.implode(',', $this->user['devices']).')';
|
|
$p_w = ' WHERE port_id IN ('.implode(',', $this->user['ports']).') OR device_id IN ('.implode(',', $this->user['devices']).')';
|
|
$p_a = ' AND (I.port_id IN ('.implode(',', $this->user['ports']).') OR I.device_id IN ('.implode(',', $this->user['devices']).'))';
|
|
}
|
|
|
|
switch ($statustype) {
|
|
case 'devices':
|
|
case 'device':
|
|
case 'dev':
|
|
$devcount = array_pop(dbFetchRow('SELECT count(*) FROM devices'.$d_w));
|
|
$devup = array_pop(dbFetchRow("SELECT count(*) FROM devices WHERE status = '1' AND `ignore` = '0'".$d_a));
|
|
$devdown = array_pop(dbFetchRow("SELECT count(*) FROM devices WHERE status = '0' AND `ignore` = '0'".$d_a));
|
|
$devign = array_pop(dbFetchRow("SELECT count(*) FROM devices WHERE `ignore` = '1'".$d_a));
|
|
$devdis = array_pop(dbFetchRow("SELECT count(*) FROM devices WHERE `disabled` = '1'".$d_a));
|
|
$msg = 'Devices: '.$devcount.' ('.$devup.' up, '.$devdown.' down, '.$devign.' ignored, '.$devdis.' disabled'.')';
|
|
break;
|
|
|
|
case 'ports':
|
|
case 'port':
|
|
case 'prt':
|
|
$prtcount = array_pop(dbFetchRow('SELECT count(*) FROM ports'.$p_w));
|
|
$prtup = array_pop(dbFetchRow("SELECT count(*) FROM ports AS I, devices AS D WHERE I.ifOperStatus = 'up' AND I.ignore = '0' AND I.device_id = D.device_id AND D.ignore = '0'".$p_a));
|
|
$prtdown = array_pop(dbFetchRow("SELECT count(*) FROM ports AS I, devices AS D WHERE I.ifOperStatus = 'down' AND I.ifAdminStatus = 'up' AND I.ignore = '0' AND D.device_id = I.device_id AND D.ignore = '0'".$p_a));
|
|
$prtsht = array_pop(dbFetchRow("SELECT count(*) FROM ports AS I, devices AS D WHERE I.ifAdminStatus = 'down' AND I.ignore = '0' AND D.device_id = I.device_id AND D.ignore = '0'".$p_a));
|
|
$prtign = array_pop(dbFetchRow("SELECT count(*) FROM ports AS I, devices AS D WHERE D.device_id = I.device_id AND (I.ignore = '1' OR D.ignore = '1')".$p_a));
|
|
$prterr = array_pop(dbFetchRow("SELECT count(*) FROM ports AS I, devices AS D WHERE D.device_id = I.device_id AND (I.ignore = '0' OR D.ignore = '0') AND (I.ifInErrors_delta > '0' OR I.ifOutErrors_delta > '0')".$p_a));
|
|
$msg = 'Ports: '.$prtcount.' ('.$prtup.' up, '.$prtdown.' down, '.$prtign.' ignored, '.$prtsht.' shutdown'.')';
|
|
break;
|
|
|
|
case 'services':
|
|
case 'service':
|
|
case 'srv':
|
|
$srvcount = array_pop(dbFetchRow('SELECT count(service_id) FROM services'.$d_w));
|
|
$srvup = array_pop(dbFetchRow("SELECT count(service_id) FROM services WHERE service_status = '1' AND service_ignore ='0'".$d_a));
|
|
$srvdown = array_pop(dbFetchRow("SELECT count(service_id) FROM services WHERE service_status = '0' AND service_ignore = '0'".$d_a));
|
|
$srvign = array_pop(dbFetchRow("SELECT count(service_id) FROM services WHERE service_ignore = '1'".$d_a));
|
|
$srvdis = array_pop(dbFetchRow("SELECT count(service_id) FROM services WHERE service_disabled = '1'".$d_a));
|
|
$msg = 'Services: '.$srvcount.' ('.$srvup.' up, '.$srvdown.' down, '.$srvign.' ignored, '.$srvdis.' disabled'.')';
|
|
break;
|
|
|
|
default:
|
|
$msg = 'Error: STATUS requires one of the following: <devices|device|dev>|<ports|port|prt>|<services|service|src>';
|
|
break;
|
|
}//end switch
|
|
|
|
return $this->respond($msg);
|
|
|
|
}//end _status()
|
|
|
|
|
|
}//end class
|
|
|
|
$irc = new ircbot();
|