mirror of
https://github.com/librenms/librenms.git
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1241 lines
40 KiB
PHP
1241 lines
40 KiB
PHP
<?php
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/**
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* Observium
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*
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* This file is part of Observium.
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*
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* @package observium
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* @subpackage functions
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* @author Adam Armstrong <adama@memetic.org>
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* @copyright (C) 2006 - 2012 Adam Armstrong
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*
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*/
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// Include from PEAR
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include_once("Net/IPv4.php");
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include_once("Net/IPv6.php");
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// Observium Includes
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include_once($config['install_dir'] . "/includes/dbFacile.php");
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include_once($config['install_dir'] . "/includes/common.php");
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include_once($config['install_dir'] . "/includes/rrdtool.inc.php");
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include_once($config['install_dir'] . "/includes/billing.php");
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include_once($config['install_dir'] . "/includes/cisco-entities.php");
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include_once($config['install_dir'] . "/includes/syslog.php");
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include_once($config['install_dir'] . "/includes/rewrites.php");
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include_once($config['install_dir'] . "/includes/snmp.inc.php");
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include_once($config['install_dir'] . "/includes/services.inc.php");
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include_once($config['install_dir'] . "/includes/console_colour.php");
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$console_color = new Console_Color2();
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if ($config['alerts']['email']['enable']) {
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include_once($config['install_dir'] . "/includes/phpmailer/class.phpmailer.php");
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include_once($config['install_dir'] . "/includes/phpmailer/class.smtp.php");
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}
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function array_sort($array, $on, $order=SORT_ASC) {
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$new_array = array();
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$sortable_array = array();
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if (count($array) > 0) {
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foreach ($array as $k => $v) {
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if (is_array($v)) {
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foreach ($v as $k2 => $v2) {
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if ($k2 == $on) {
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$sortable_array[$k] = $v2;
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}
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}
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}
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else {
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$sortable_array[$k] = $v;
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}
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}
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switch ($order) {
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case SORT_ASC:
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asort($sortable_array);
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break;
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case SORT_DESC:
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arsort($sortable_array);
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break;
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}
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foreach ($sortable_array as $k => $v) {
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$new_array[$k] = $array[$k];
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}
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}
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return $new_array;
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}
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function mac_clean_to_readable($mac) {
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$r = substr($mac, 0, 2);
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$r .= ":".substr($mac, 2, 2);
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$r .= ":".substr($mac, 4, 2);
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$r .= ":".substr($mac, 6, 2);
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$r .= ":".substr($mac, 8, 2);
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$r .= ":".substr($mac, 10, 2);
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return($r);
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}
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function only_alphanumeric($string) {
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return preg_replace('/[^a-zA-Z0-9]/', '', $string);
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}
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function logfile($string) {
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global $config;
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$fd = fopen($config['log_file'],'a');
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fputs($fd,$string . "\n");
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fclose($fd);
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}
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function getHostOS($device){
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global $config, $debug;
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$sysDescr = snmp_get ($device, "SNMPv2-MIB::sysDescr.0", "-Ovq");
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$sysObjectId = snmp_get ($device, "SNMPv2-MIB::sysObjectID.0", "-Ovqn");
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if ($debug) {
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echo("| $sysDescr | $sysObjectId | ");
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}
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$path = $config['install_dir'] . "/includes/discovery/os";
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$dir_handle = @opendir($path) or die("Unable to open $path");
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while ($file = readdir($dir_handle)) {
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if (preg_match("/.php$/", $file)) {
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include($config['install_dir'] . "/includes/discovery/os/" . $file);
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}
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}
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closedir($dir_handle);
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if ($os) {
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return $os;
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}
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else {
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return "generic";
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}
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}
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function percent_colour($perc) {
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$r = min(255, 5 * ($perc - 25));
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$b = max(0, 255 - (5 * ($perc + 25)));
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return sprintf('#%02x%02x%02x', $r, $b, $b);
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}
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// Returns the last in/out errors value in RRD
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function interface_errors($rrd_file, $period = '-1d') {
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global $config;
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$errors = array();
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$cmd = $config['rrdtool']." fetch -s $period -e -300s $rrd_file AVERAGE | grep : | cut -d\" \" -f 4,5";
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$data = trim(shell_exec($cmd));
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$in_errors = 0;
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$out_errors = 0;
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foreach (explode("\n", $data) as $entry) {
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list($in, $out) = explode(" ", $entry);
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$in_errors += ($in * 300);
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$out_errors += ($out * 300);
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}
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$errors['in'] = round($in_errors);
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$errors['out'] = round($out_errors);
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return $errors;
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}
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function getImage($device) {
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global $config;
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$device['os'] = strtolower($device['os']);
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if ($device['icon'] && file_exists($config['html_dir'] . "/images/os/" . $device['icon'] . ".png")) {
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$image = '<img src="' . $config['base_url'] . '/images/os/' . $device['icon'] . '.png" />';
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}
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elseif (isset($config['os'][$device['os']]['icon']) && $config['os'][$device['os']]['icon'] && file_exists($config['html_dir'] . "/images/os/" . $config['os'][$device['os']]['icon'] . ".png")) {
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$image = '<img src="' . $config['base_url'] . '/images/os/' . $config['os'][$device['os']]['icon'] . '.png" />';
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}
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else {
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if (file_exists($config['html_dir'] . '/images/os/' . $device['os'] . '.png')) {
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$image = '<img src="' . $config['base_url'] . '/images/os/' . $device['os'] . '.png" />';
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}
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if ($device['os'] == "linux") {
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$features = strtolower(trim($device['features']));
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list($distro) = explode(" ", $features);
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if (file_exists($config['html_dir'] . "/images/os/$distro" . ".png")) {
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$image = '<img src="' . $config['base_url'] . '/images/os/' . $distro . '.png" />';
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}
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}
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if (empty($image)) {
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$image = '<img src="' . $config['base_url'] . '/images/os/generic.png" />';
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}
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}
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return $image;
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}
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function getImageSrc($device) {
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global $config;
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$device['os'] = strtolower($device['os']);
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if ($device['icon'] && file_exists($config['html_dir'] . "/images/os/" . $device['icon'] . ".png")) {
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$image = $config['base_url'] . '/images/os/' . $device['icon'] . '.png';
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}
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elseif ($config['os'][$device['os']]['icon'] && file_exists($config['html_dir'] . "/images/os/" . $config['os'][$device['os']]['icon'] . ".png")) {
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$image = $config['base_url'] . '/images/os/' . $config['os'][$device['os']]['icon'] . '.png';
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}
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else {
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if (file_exists($config['html_dir'] . '/images/os/' . $device['os'] . '.png')) {
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$image = $config['base_url'] . '/images/os/' . $device['os'] . '.png';
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}
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if ($device['os'] == "linux") {
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$features = strtolower(trim($device['features']));
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list($distro) = explode(" ", $features);
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if (file_exists($config['html_dir'] . "/images/os/$distro" . ".png")) {
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$image = $config['base_url'] . '/images/os/' . $distro . '.png';
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}
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}
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if (empty($image)) {
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$image = $config['base_url'] . '/images/os/generic.png';
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}
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}
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return $image;
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}
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function renamehost($id, $new, $source = 'console') {
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global $config;
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// FIXME does not check if destination exists!
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$host = dbFetchCell("SELECT `hostname` FROM `devices` WHERE `device_id` = ?", array($id));
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if (rename($config['rrd_dir']."/$host",$config['rrd_dir']."/$new") === TRUE) {
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dbUpdate(array('hostname' => $new), 'devices', 'device_id=?', array($id));
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log_event("Hostname changed -> $new ($source)", $id, 'system');
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}
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else {
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echo "Renaming of $host failed\n";
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log_event("Renaming of $host failed", $id, 'system');
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}
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}
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function delete_device($id) {
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global $config, $debug;
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$ret = '';
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$host = dbFetchCell("SELECT hostname FROM devices WHERE device_id = ?", array($id));
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if( empty($host) ) {
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return "No such host.";
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}
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// Remove IPv4/IPv6 addresses before removing ports as they depend on port_id
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dbQuery("DELETE `ipv4_addresses` FROM `ipv4_addresses` INNER JOIN `ports` ON `ports`.`port_id`=`ipv4_addresses`.`port_id` WHERE `device_id`=?",array($id));
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dbQuery("DELETE `ipv6_addresses` FROM `ipv6_addresses` INNER JOIN `ports` ON `ports`.`port_id`=`ipv6_addresses`.`port_id` WHERE `device_id`=?",array($id));
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foreach (dbFetch("SELECT * FROM `ports` WHERE `device_id` = ?", array($id)) as $int_data) {
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$int_if = $int_data['ifDescr'];
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$int_id = $int_data['port_id'];
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delete_port($int_id);
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$ret .= "Removed interface $int_id ($int_if)\n";
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}
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$fields = array('device_id','host');
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foreach( $fields as $field ) {
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foreach( dbFetch("SELECT table_name FROM information_schema.columns WHERE table_schema = ? AND column_name = ?",array($config['db_name'],$field)) as $table ) {
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$table = $table['table_name'];
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$entries = (int) dbDelete($table, "`$field` = ?", array($id));
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if( $entries > 0 && $debug === true ) {
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$ret .= "$field@$table = #$entries\n";
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}
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}
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}
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$ex = shell_exec("bash -c '( [ ! -d ".trim($config['rrd_dir'])."/".$host." ] || rm -vrf ".trim($config['rrd_dir'])."/".$host." 2>&1 ) && echo -n OK'");
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$tmp = explode("\n",$ex);
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if( $tmp[sizeof($tmp)-1] != "OK" ) {
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$ret .= "Could not remove files:\n$ex\n";
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}
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$ret .= "Removed device $host\n";
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return $ret;
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}
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function addHost($host, $snmpver, $port = '161', $transport = 'udp', $quiet = '0', $poller_group = '0', $force_add = '0') {
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global $config;
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list($hostshort) = explode(".", $host);
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// Test Database Exists
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if (dbFetchCell("SELECT COUNT(*) FROM `devices` WHERE `hostname` = ?", array($host)) == '0') {
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if ($config['addhost_alwayscheckip'] === TRUE) {
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$ip = gethostbyname($host);
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} else {
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$ip = $host;
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}
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if (ip_exists($ip) === false) {
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// Test reachability
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if ($force_add == 1 || isPingable($host)) {
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if (empty($snmpver)) {
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// Try SNMPv2c
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$snmpver = 'v2c';
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$ret = addHost($host, $snmpver, $port, $transport, $quiet, $poller_group, $force_add);
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if (!$ret) {
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//Try SNMPv3
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$snmpver = 'v3';
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$ret = addHost($host, $snmpver, $port, $transport, $quiet, $poller_group, $force_add);
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if (!$ret) {
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// Try SNMPv1
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$snmpver = 'v1';
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return addHost($host, $snmpver, $port, $transport, $quiet, $poller_group, $force_add);
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}
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else {
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return $ret;
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}
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}
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else {
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return $ret;
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}
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}
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if ($snmpver === "v3") {
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// Try each set of parameters from config
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foreach ($config['snmp']['v3'] as $v3) {
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$device = deviceArray($host, NULL, $snmpver, $port, $transport, $v3);
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if($quiet == '0') { print_message("Trying v3 parameters " . $v3['authname'] . "/" . $v3['authlevel'] . " ... "); }
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if ($force_add == 1 || isSNMPable($device)) {
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$snmphost = snmp_get($device, "sysName.0", "-Oqv", "SNMPv2-MIB");
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if (empty($snmphost) or ($snmphost == $host || $hostshort = $host)) {
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$device_id = createHost ($host, NULL, $snmpver, $port, $transport, $v3, $poller_group);
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return $device_id;
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}
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else {
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if($quiet == '0') {
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print_error("Given hostname does not match SNMP-read hostname ($snmphost)!");
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}
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}
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}
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else {
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if($quiet == '0') {
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print_error("No reply on credentials " . $v3['authname'] . "/" . $v3['authlevel'] . " using $snmpver");
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}
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}
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}
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}
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elseif ($snmpver === "v2c" or $snmpver === "v1") {
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// try each community from config
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foreach ($config['snmp']['community'] as $community) {
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$device = deviceArray($host, $community, $snmpver, $port, $transport, NULL);
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if($quiet == '0') {
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print_message("Trying community $community ...");
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}
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if ($force_add == 1 || isSNMPable($device)) {
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$snmphost = snmp_get($device, "sysName.0", "-Oqv", "SNMPv2-MIB");
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if (empty($snmphost) || ($snmphost && ($snmphost == $host || $hostshort = $host))) {
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$device_id = createHost ($host, $community, $snmpver, $port, $transport,array(),$poller_group);
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return $device_id;
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}
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else {
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if($quiet == '0') {
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print_error("Given hostname does not match SNMP-read hostname ($snmphost)!");
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}
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}
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}
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else {
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if($quiet == '0') {
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print_error("No reply on community $community using $snmpver");
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}
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}
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}
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}
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else {
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if($quiet == '0') {
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print_error("Unsupported SNMP Version \"$snmpver\".");
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}
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}
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if (!$device_id) {
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// Failed SNMP
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if($quiet == '0') {
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print_error("Could not reach $host with given SNMP community using $snmpver");
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}
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}
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}
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else {
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// failed Reachability
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if($quiet == '0') {
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print_error("Could not ping $host");
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}
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}
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}
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else {
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if ($quiet == 0) {
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print_error("Already have host with this IP $host");
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}
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}
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}
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else {
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// found in database
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if($quiet == '0') {
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print_error("Already got host $host");
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}
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}
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return 0;
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}
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function scanUDP($host, $port, $timeout) {
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$handle = fsockopen($host, $port, $errno, $errstr, 2);
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socket_set_timeout ($handle, $timeout);
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$write = fwrite($handle,"\x00");
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if (!$write) {
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next;
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}
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$startTime = time();
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$endTime = time();
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$timeDiff = $endTime - $startTime;
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if ($timeDiff >= $timeout) {
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fclose($handle);
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return 1;
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}
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else {
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fclose($handle);
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return 0;
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}
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}
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function deviceArray($host, $community, $snmpver, $port = 161, $transport = 'udp', $v3) {
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$device = array();
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$device['hostname'] = $host;
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$device['port'] = $port;
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$device['transport'] = $transport;
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$device['snmpver'] = $snmpver;
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if ($snmpver === "v2c" or $snmpver === "v1") {
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$device['community'] = $community;
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}
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elseif ($snmpver === "v3") {
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$device['authlevel'] = $v3['authlevel'];
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$device['authname'] = $v3['authname'];
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$device['authpass'] = $v3['authpass'];
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$device['authalgo'] = $v3['authalgo'];
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$device['cryptopass'] = $v3['cryptopass'];
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$device['cryptoalgo'] = $v3['cryptoalgo'];
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}
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return $device;
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}
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function netmask2cidr($netmask) {
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$addr = Net_IPv4::parseAddress("1.2.3.4/$netmask");
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return $addr->bitmask;
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}
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function cidr2netmask($netmask) {
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return (long2ip(ip2long("255.255.255.255") << (32-$netmask)));
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}
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function formatUptime($diff, $format="long") {
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$yearsDiff = floor($diff/31536000);
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$diff -= $yearsDiff*31536000;
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$daysDiff = floor($diff/86400);
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$diff -= $daysDiff*86400;
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$hrsDiff = floor($diff/60/60);
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$diff -= $hrsDiff*60*60;
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$minsDiff = floor($diff/60);
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$diff -= $minsDiff*60;
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$secsDiff = $diff;
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$uptime = "";
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if ($format == "short") {
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if ($yearsDiff > '0') {
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$uptime .= $yearsDiff . "y ";
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}
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if ($daysDiff > '0') {
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$uptime .= $daysDiff . "d ";
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}
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if ($hrsDiff > '0') {
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$uptime .= $hrsDiff . "h ";
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}
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if ($minsDiff > '0') {
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$uptime .= $minsDiff . "m ";
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}
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if ($secsDiff > '0') {
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$uptime .= $secsDiff . "s ";
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}
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}
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else {
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if ($yearsDiff > '0') {
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$uptime .= $yearsDiff . " years, ";
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}
|
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if ($daysDiff > '0') {
|
|
$uptime .= $daysDiff . " day" . ($daysDiff != 1 ? 's' : '') . ", ";
|
|
}
|
|
if ($hrsDiff > '0') {
|
|
$uptime .= $hrsDiff . "h ";
|
|
}
|
|
if ($minsDiff > '0') {
|
|
$uptime .= $minsDiff . "m ";
|
|
}
|
|
if ($secsDiff > '0') {
|
|
$uptime .= $secsDiff . "s ";
|
|
}
|
|
}
|
|
return trim($uptime);
|
|
}
|
|
|
|
function isSNMPable($device) {
|
|
global $config;
|
|
|
|
$pos = snmp_get($device, "sysObjectID.0", "-Oqv", "SNMPv2-MIB");
|
|
if(empty($pos)) {
|
|
// Support for Hikvision
|
|
$pos = snmp_get($device, "SNMPv2-SMI::enterprises.39165.1.1.0", "-Oqv", "SNMPv2-MIB");
|
|
}
|
|
if ($pos === '' || $pos === false) {
|
|
return false;
|
|
}
|
|
else {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
function isPingable($hostname,$device_id = FALSE) {
|
|
global $config;
|
|
|
|
$fping_params = '';
|
|
if(is_numeric($config['fping_options']['retries']) || $config['fping_options']['retries'] > 1) {
|
|
$fping_params .= ' -r ' . $config['fping_options']['retries'];
|
|
}
|
|
if(is_numeric($config['fping_options']['timeout']) || $config['fping_options']['timeout'] > 1) {
|
|
$fping_params .= ' -t ' . $config['fping_options']['timeout'];
|
|
}
|
|
if(is_numeric($config['fping_options']['count']) || $config['fping_options']['count'] > 0) {
|
|
$fping_params .= ' -c ' . $config['fping_options']['count'];
|
|
}
|
|
if(is_numeric($config['fping_options']['millisec']) || $config['fping_options']['millisec'] > 0) {
|
|
$fping_params .= ' -p ' . $config['fping_options']['millisec'];
|
|
}
|
|
$response = array();
|
|
$status = fping($hostname,$fping_params);
|
|
if ($status['loss'] == 100) {
|
|
$response['result'] = FALSE;
|
|
}
|
|
else {
|
|
$response['result'] = TRUE;
|
|
}
|
|
if (is_numeric($status['avg'])) {
|
|
$response['last_ping_timetaken'] = $status['avg'];
|
|
}
|
|
$response['db'] = $status;
|
|
return($response);
|
|
}
|
|
|
|
function is_odd($number) {
|
|
return $number & 1; // 0 = even, 1 = odd
|
|
}
|
|
|
|
function utime() {
|
|
$time = explode(" ", microtime());
|
|
$usec = (double)$time[0];
|
|
$sec = (double)$time[1];
|
|
return $sec + $usec;
|
|
}
|
|
|
|
function getpollergroup($poller_group='0') {
|
|
//Is poller group an integer
|
|
if (is_int($poller_group) || ctype_digit($poller_group)) {
|
|
return $poller_group;
|
|
}
|
|
else {
|
|
//Check if it contains a comma
|
|
if (strpos($poller_group,',')!== FALSE) {
|
|
//If it has a comma use the first element as the poller group
|
|
$poller_group_array=explode(',',$poller_group);
|
|
return getpollergroup($poller_group_array[0]);
|
|
}
|
|
else {
|
|
if ($config['distributed_poller_group']) {
|
|
//If not use the poller's group from the config
|
|
return getpollergroup($config['distributed_poller_group']);
|
|
}
|
|
else {
|
|
//If all else fails use default
|
|
return '0';
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function createHost($host, $community = NULL, $snmpver, $port = 161, $transport = 'udp', $v3 = array(), $poller_group='0') {
|
|
global $config;
|
|
$host = trim(strtolower($host));
|
|
|
|
$poller_group=getpollergroup($poller_group);
|
|
|
|
$device = array('hostname' => $host,
|
|
'sysName' => $host,
|
|
'community' => $community,
|
|
'port' => $port,
|
|
'transport' => $transport,
|
|
'status' => '1',
|
|
'snmpver' => $snmpver,
|
|
'poller_group' => $poller_group
|
|
);
|
|
|
|
$device = array_merge($device, $v3);
|
|
|
|
$device['os'] = getHostOS($device);
|
|
|
|
if ($device['os']) {
|
|
|
|
$device_id = dbInsert($device, 'devices');
|
|
|
|
if ($device_id) {
|
|
return($device_id);
|
|
}
|
|
else {
|
|
return FALSE;
|
|
}
|
|
}
|
|
else {
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
function isDomainResolves($domain) {
|
|
return (gethostbyname($domain) != $domain || count(dns_get_record($domain)) != 0);
|
|
}
|
|
|
|
function hoststatus($id) {
|
|
return dbFetchCell("SELECT `status` FROM `devices` WHERE `device_id` = ?", array($id));
|
|
}
|
|
|
|
function match_network($nets, $ip, $first=false) {
|
|
$return = false;
|
|
if (!is_array ($nets)) $nets = array ($nets);
|
|
foreach ($nets as $net) {
|
|
$rev = (preg_match ("/^\!/", $net)) ? true : false;
|
|
$net = preg_replace ("/^\!/", "", $net);
|
|
$ip_arr = explode('/', $net);
|
|
$net_long = ip2long($ip_arr[0]);
|
|
$x = ip2long($ip_arr[1]);
|
|
$mask = long2ip($x) == $ip_arr[1] ? $x : 0xffffffff << (32 - $ip_arr[1]);
|
|
$ip_long = ip2long($ip);
|
|
if ($rev) {
|
|
if (($ip_long & $mask) == ($net_long & $mask)) {
|
|
return false;
|
|
}
|
|
}
|
|
else {
|
|
if (($ip_long & $mask) == ($net_long & $mask)) {
|
|
$return = true;
|
|
}
|
|
if ($first && $return) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
return $return;
|
|
}
|
|
|
|
function snmp2ipv6($ipv6_snmp) {
|
|
$ipv6 = explode('.',$ipv6_snmp);
|
|
$ipv6_2 = array();
|
|
|
|
# Workaround stupid Microsoft bug in Windows 2008 -- this is fixed length!
|
|
# < fenestro> "because whoever implemented this mib for Microsoft was ignorant of RFC 2578 section 7.7 (2)"
|
|
if (count($ipv6) == 17 && $ipv6[0] == 16) {
|
|
array_shift($ipv6);
|
|
}
|
|
|
|
for ($i = 0;$i <= 15;$i++) {
|
|
$ipv6[$i] = zeropad(dechex($ipv6[$i]));
|
|
}
|
|
for ($i = 0;$i <= 15;$i+=2) {
|
|
$ipv6_2[] = $ipv6[$i] . $ipv6[$i+1];
|
|
}
|
|
|
|
return implode(':',$ipv6_2);
|
|
}
|
|
|
|
function ipv62snmp($ipv6) {
|
|
$ipv6_split = array();
|
|
$ipv6_ex = explode(':',Net_IPv6::uncompress($ipv6));
|
|
for ($i = 0;$i < 8;$i++) {
|
|
$ipv6_ex[$i] = zeropad($ipv6_ex[$i],4);
|
|
}
|
|
$ipv6_ip = implode('',$ipv6_ex);
|
|
for ($i = 0;$i < 32;$i+=2) $ipv6_split[] = hexdec(substr($ipv6_ip,$i,2));
|
|
|
|
return implode('.',$ipv6_split);
|
|
}
|
|
|
|
function get_astext($asn) {
|
|
global $config,$cache;
|
|
|
|
if (isset($config['astext'][$asn])) {
|
|
return $config['astext'][$asn];
|
|
}
|
|
else {
|
|
if (isset($cache['astext'][$asn])) {
|
|
return $cache['astext'][$asn];
|
|
}
|
|
else {
|
|
$result = dns_get_record("AS$asn.asn.cymru.com",DNS_TXT);
|
|
$txt = explode('|',$result[0]['txt']);
|
|
$result = trim(str_replace('"', '', $txt[4]));
|
|
$cache['astext'][$asn] = $result;
|
|
return $result;
|
|
}
|
|
}
|
|
}
|
|
|
|
# Use this function to write to the eventlog table
|
|
function log_event($text, $device = NULL, $type = NULL, $reference = NULL) {
|
|
global $debug;
|
|
|
|
if (!is_array($device)) {
|
|
$device = device_by_id_cache($device);
|
|
}
|
|
|
|
$insert = array('host' => ($device['device_id'] ? $device['device_id'] : "NULL"),
|
|
'reference' => ($reference ? $reference : "NULL"),
|
|
'type' => ($type ? $type : "NULL"),
|
|
'datetime' => array("NOW()"),
|
|
'message' => $text);
|
|
|
|
dbInsert($insert, 'eventlog');
|
|
}
|
|
|
|
// Parse string with emails. Return array with email (as key) and name (as value)
|
|
function parse_email($emails) {
|
|
$result = array();
|
|
$regex = '/^[\"\']?([^\"\']+)[\"\']?\s{0,}<([^@]+@[^>]+)>$/';
|
|
if (is_string($emails)) {
|
|
$emails = preg_split('/[,;]\s{0,}/', $emails);
|
|
foreach ($emails as $email) {
|
|
if (preg_match($regex, $email, $out, PREG_OFFSET_CAPTURE)) {
|
|
$result[$out[2][0]] = $out[1][0];
|
|
}
|
|
else {
|
|
if (strpos($email, "@")) {
|
|
$result[$email] = NULL;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
// Return FALSE if input not string
|
|
return FALSE;
|
|
}
|
|
return $result;
|
|
}
|
|
|
|
function send_mail($emails,$subject,$message,$html=false) {
|
|
global $config;
|
|
if( is_array($emails) || ($emails = parse_email($emails)) ) {
|
|
if( !class_exists("PHPMailer",false) )
|
|
include_once($config['install_dir'] . "/includes/phpmailer/class.phpmailer.php");
|
|
$mail = new PHPMailer();
|
|
$mail->Hostname = php_uname('n');
|
|
if (empty($config['email_from']))
|
|
$config['email_from'] = '"' . $config['project_name'] . '" <' . $config['email_user'] . '@'.$mail->Hostname.'>';
|
|
foreach (parse_email($config['email_from']) as $from => $from_name)
|
|
$mail->setFrom($from, $from_name);
|
|
foreach ($emails as $email => $email_name)
|
|
$mail->addAddress($email, $email_name);
|
|
$mail->Subject = $subject;
|
|
$mail->XMailer = $config['project_name_version'];
|
|
$mail->CharSet = 'utf-8';
|
|
$mail->WordWrap = 76;
|
|
$mail->Body = $message;
|
|
if( $html )
|
|
$mail->isHTML(true);
|
|
switch (strtolower(trim($config['email_backend']))) {
|
|
case 'sendmail':
|
|
$mail->Mailer = 'sendmail';
|
|
$mail->Sendmail = $config['email_sendmail_path'];
|
|
break;
|
|
case 'smtp':
|
|
$mail->isSMTP();
|
|
$mail->Host = $config['email_smtp_host'];
|
|
$mail->Timeout = $config['email_smtp_timeout'];
|
|
$mail->SMTPAuth = $config['email_smtp_auth'];
|
|
$mail->SMTPSecure = $config['email_smtp_secure'];
|
|
$mail->Port = $config['email_smtp_port'];
|
|
$mail->Username = $config['email_smtp_username'];
|
|
$mail->Password = $config['email_smtp_password'];
|
|
$mail->SMTPDebug = false;
|
|
break;
|
|
default:
|
|
$mail->Mailer = 'mail';
|
|
break;
|
|
}
|
|
return $mail->send() ? true : $mail->ErrorInfo;
|
|
}
|
|
}
|
|
|
|
function formatCiscoHardware(&$device, $short = false) {
|
|
if ($device['os'] == "ios") {
|
|
if ($device['hardware']) {
|
|
if (preg_match("/^WS-C([A-Za-z0-9]+).*/", $device['hardware'], $matches)) {
|
|
if (!$short) {
|
|
$device['hardware'] = "Cisco " . $matches[1] . " (" . $device['hardware'] . ")";
|
|
}
|
|
else {
|
|
$device['hardware'] = "Cisco " . $matches[1];
|
|
}
|
|
}
|
|
elseif (preg_match("/^CISCO([0-9]+)$/", $device['hardware'], $matches)) {
|
|
$device['hardware'] = "Cisco " . $matches[1];
|
|
}
|
|
}
|
|
else {
|
|
if (preg_match("/Cisco IOS Software, C([A-Za-z0-9]+) Software.*/", $device['sysDescr'], $matches)) {
|
|
$device['hardware'] = "Cisco " . $matches[1];
|
|
}
|
|
elseif (preg_match("/Cisco IOS Software, ([0-9]+) Software.*/", $device['sysDescr'], $matches)) {
|
|
$device['hardware'] = "Cisco " . $matches[1];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
# from http://ditio.net/2008/11/04/php-string-to-hex-and-hex-to-string-functions/
|
|
function hex2str($hex) {
|
|
$string='';
|
|
|
|
for ($i = 0; $i < strlen($hex)-1; $i+=2) {
|
|
$string .= chr(hexdec($hex[$i].$hex[$i+1]));
|
|
}
|
|
|
|
return $string;
|
|
}
|
|
|
|
# Convert an SNMP hex string to regular string
|
|
function snmp_hexstring($hex) {
|
|
return hex2str(str_replace(' ','',str_replace(' 00','',$hex)));
|
|
}
|
|
|
|
# Check if the supplied string is an SNMP hex string
|
|
function isHexString($str) {
|
|
return preg_match("/^[a-f0-9][a-f0-9]( [a-f0-9][a-f0-9])*$/is",trim($str));
|
|
}
|
|
|
|
# Include all .inc.php files in $dir
|
|
function include_dir($dir, $regex = "") {
|
|
global $device, $config, $debug, $valid;
|
|
|
|
if ($regex == "") {
|
|
$regex = "/\.inc\.php$/";
|
|
}
|
|
|
|
if ($handle = opendir($config['install_dir'] . '/' . $dir)) {
|
|
while (false !== ($file = readdir($handle))) {
|
|
if (filetype($config['install_dir'] . '/' . $dir . '/' . $file) == 'file' && preg_match($regex, $file)) {
|
|
if ($debug) {
|
|
echo("Including: " . $config['install_dir'] . '/' . $dir . '/' . $file . "\n");
|
|
}
|
|
|
|
include($config['install_dir'] . '/' . $dir . '/' . $file);
|
|
}
|
|
}
|
|
|
|
closedir($handle);
|
|
}
|
|
}
|
|
|
|
function is_port_valid($port, $device) {
|
|
|
|
global $config, $debug;
|
|
|
|
if (strstr($port['ifDescr'], "irtual")) {
|
|
$valid = 0;
|
|
}
|
|
else {
|
|
$valid = 1;
|
|
$if = strtolower($port['ifDescr']);
|
|
$fringe = $config['bad_if'];
|
|
if( is_array($config['os'][$device['os']]['bad_if']) ) {
|
|
$fringe = array_merge($config['bad_if'],$config['os'][$device['os']]['bad_if']);
|
|
}
|
|
foreach ($fringe as $bi) {
|
|
if (strstr($if, $bi)) {
|
|
$valid = 0;
|
|
if ($debug) {
|
|
echo("ignored : $bi : $if");
|
|
}
|
|
}
|
|
}
|
|
if (is_array($config['bad_if_regexp'])) {
|
|
$fringe = $config['bad_if_regexp'];
|
|
if( is_array($config['os'][$device['os']]['bad_if_regexp']) ) {
|
|
$fringe = array_merge($config['bad_if_regexp'],$config['os'][$device['os']]['bad_if_regexp']);
|
|
}
|
|
foreach ($fringe as $bi) {
|
|
if (preg_match($bi ."i", $if)) {
|
|
$valid = 0;
|
|
if ($debug) {
|
|
echo("ignored : $bi : ".$if);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (is_array($config['bad_iftype'])) {
|
|
$fringe = $config['bad_iftype'];
|
|
if( is_array($config['os'][$device['os']]['bad_iftype']) ) {
|
|
$fringe = array_merge($config['bad_iftype'],$config['os'][$device['os']]['bad_iftype']);
|
|
}
|
|
foreach ($fringe as $bi) {
|
|
if (strstr($port['ifType'], $bi)) {
|
|
$valid = 0;
|
|
if ($debug) {
|
|
echo("ignored ifType : ".$port['ifType']." (matched: ".$bi." )");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (empty($port['ifDescr'])) {
|
|
$valid = 0;
|
|
}
|
|
if ($device['os'] == "catos" && strstr($if, "vlan")) {
|
|
$valid = 0;
|
|
}
|
|
if ($device['os'] == "dlink") {
|
|
$valid = 1;
|
|
}
|
|
}
|
|
|
|
return $valid;
|
|
}
|
|
|
|
function scan_new_plugins() {
|
|
|
|
global $config, $debug;
|
|
|
|
$installed = 0; // Track how many plugins we install.
|
|
|
|
if(file_exists($config['plugin_dir'])) {
|
|
$plugin_files = scandir($config['plugin_dir']);
|
|
foreach($plugin_files as $name) {
|
|
if(is_dir($config['plugin_dir'].'/'.$name)) {
|
|
if($name != '.' && $name != '..') {
|
|
if(is_file($config['plugin_dir'].'/'.$name.'/'.$name.'.php') && is_file($config['plugin_dir'].'/'.$name.'/'.$name.'.inc.php')) {
|
|
$plugin_id = dbFetchRow("SELECT `plugin_id` FROM `plugins` WHERE `plugin_name` = '$name'");
|
|
if(empty($plugin_id)) {
|
|
if(dbInsert(array('plugin_name' => $name, 'plugin_active' => '0'), 'plugins')) {
|
|
$installed++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return( $installed );
|
|
|
|
}
|
|
|
|
function validate_device_id($id) {
|
|
|
|
global $config;
|
|
if(empty($id) || !is_numeric($id)) {
|
|
$return = false;
|
|
}
|
|
else {
|
|
$device_id = dbFetchCell("SELECT `device_id` FROM `devices` WHERE `device_id` = ?", array($id));
|
|
if($device_id == $id) {
|
|
$return = true;
|
|
}
|
|
else {
|
|
$return = false;
|
|
}
|
|
}
|
|
return($return);
|
|
}
|
|
|
|
// The original source of this code is from Stackoverflow (www.stackoverflow.com).
|
|
// http://stackoverflow.com/questions/6054033/pretty-printing-json-with-php
|
|
// Answer provided by stewe (http://stackoverflow.com/users/3202187/ulk200
|
|
if (!defined('JSON_UNESCAPED_SLASHES'))
|
|
define('JSON_UNESCAPED_SLASHES', 64);
|
|
if (!defined('JSON_PRETTY_PRINT'))
|
|
define('JSON_PRETTY_PRINT', 128);
|
|
if (!defined('JSON_UNESCAPED_UNICODE'))
|
|
define('JSON_UNESCAPED_UNICODE', 256);
|
|
|
|
function _json_encode($data, $options = 448) {
|
|
if (version_compare(PHP_VERSION, '5.4', '>=')) {
|
|
return json_encode($data, $options);
|
|
}
|
|
else {
|
|
return _json_format(json_encode($data), $options);
|
|
}
|
|
}
|
|
|
|
function _json_format($json, $options = 448) {
|
|
$prettyPrint = (bool) ($options & JSON_PRETTY_PRINT);
|
|
$unescapeUnicode = (bool) ($options & JSON_UNESCAPED_UNICODE);
|
|
$unescapeSlashes = (bool) ($options & JSON_UNESCAPED_SLASHES);
|
|
|
|
if (!$prettyPrint && !$unescapeUnicode && !$unescapeSlashes) {
|
|
return $json;
|
|
}
|
|
|
|
$result = '';
|
|
$pos = 0;
|
|
$strLen = strlen($json);
|
|
$indentStr = ' ';
|
|
$newLine = "\n";
|
|
$outOfQuotes = true;
|
|
$buffer = '';
|
|
$noescape = true;
|
|
|
|
for ($i = 0; $i < $strLen; $i++) {
|
|
// Grab the next character in the string
|
|
$char = substr($json, $i, 1);
|
|
|
|
// Are we inside a quoted string?
|
|
if ('"' === $char && $noescape) {
|
|
$outOfQuotes = !$outOfQuotes;
|
|
}
|
|
|
|
if (!$outOfQuotes) {
|
|
$buffer .= $char;
|
|
$noescape = '\\' === $char ? !$noescape : true;
|
|
continue;
|
|
}
|
|
elseif ('' !== $buffer) {
|
|
if ($unescapeSlashes) {
|
|
$buffer = str_replace('\\/', '/', $buffer);
|
|
}
|
|
|
|
if ($unescapeUnicode && function_exists('mb_convert_encoding')) {
|
|
// http://stackoverflow.com/questions/2934563/how-to-decode-unicode-escape-sequences-like-u00ed-to-proper-utf-8-encoded-cha
|
|
$buffer = preg_replace_callback('/\\\\u([0-9a-f]{4})/i',
|
|
function ($match) {
|
|
return mb_convert_encoding(pack('H*', $match[1]), 'UTF-8', 'UCS-2BE');
|
|
}, $buffer);
|
|
}
|
|
|
|
$result .= $buffer . $char;
|
|
$buffer = '';
|
|
continue;
|
|
}
|
|
elseif(false !== strpos(" \t\r\n", $char)) {
|
|
continue;
|
|
}
|
|
|
|
if (':' === $char) {
|
|
// Add a space after the : character
|
|
$char .= ' ';
|
|
}
|
|
elseif (('}' === $char || ']' === $char)) {
|
|
$pos--;
|
|
$prevChar = substr($json, $i - 1, 1);
|
|
|
|
if ('{' !== $prevChar && '[' !== $prevChar) {
|
|
// If this character is the end of an element,
|
|
// output a new line and indent the next line
|
|
$result .= $newLine;
|
|
for ($j = 0; $j < $pos; $j++) {
|
|
$result .= $indentStr;
|
|
}
|
|
}
|
|
else {
|
|
// Collapse empty {} and []
|
|
$result = rtrim($result) . "\n\n" . $indentStr;
|
|
}
|
|
}
|
|
|
|
$result .= $char;
|
|
|
|
// If the last character was the beginning of an element,
|
|
// output a new line and indent the next line
|
|
if (',' === $char || '{' === $char || '[' === $char) {
|
|
$result .= $newLine;
|
|
|
|
if ('{' === $char || '[' === $char) {
|
|
$pos++;
|
|
}
|
|
|
|
for ($j = 0; $j < $pos; $j++) {
|
|
$result .= $indentStr;
|
|
}
|
|
}
|
|
}
|
|
// If buffer not empty after formating we have an unclosed quote
|
|
if (strlen($buffer) > 0) {
|
|
//json is incorrectly formatted
|
|
$result = false;
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
function convert_delay($delay) {
|
|
$delay = preg_replace('/\s/','',$delay);
|
|
if(strstr($delay, 'm',TRUE)) {
|
|
$delay_sec = $delay * 60;
|
|
}
|
|
elseif(strstr($delay, 'h',TRUE)) {
|
|
$delay_sec = $delay * 3600;
|
|
}
|
|
elseif(strstr($delay, 'd',TRUE)) {
|
|
$delay_sec = $delay * 86400;
|
|
}
|
|
elseif(is_numeric($delay)) {
|
|
$delay_sec = $delay;
|
|
}
|
|
else {
|
|
$delay_sec = 300;
|
|
}
|
|
return($delay_sec);
|
|
}
|
|
|
|
function guidv4($data) {
|
|
// http://stackoverflow.com/questions/2040240/php-function-to-generate-v4-uuid#15875555
|
|
// From: Jack http://stackoverflow.com/users/1338292/ja%CD%A2ck
|
|
assert(strlen($data) == 16);
|
|
|
|
$data[6] = chr(ord($data[6]) & 0x0f | 0x40); // set version to 0100
|
|
$data[8] = chr(ord($data[8]) & 0x3f | 0x80); // set bits 6-7 to 10
|
|
|
|
return vsprintf('%s%s-%s-%s-%s-%s%s%s', str_split(bin2hex($data), 4));
|
|
}
|
|
|
|
function set_curl_proxy($post) {
|
|
global $config;
|
|
if (isset($_ENV['https_proxy'])) {
|
|
$tmp = rtrim($_ENV['https_proxy'], "/");
|
|
$proxystr = str_replace(array("http://", "https://"), "", $tmp);
|
|
$config['callback_proxy'] = $proxystr;
|
|
echo "Setting proxy to ".$proxystr." (from https_proxy=".$_ENV['https_proxy'].")\n";
|
|
}
|
|
if (isset($config['callback_proxy'])) {
|
|
echo "Using ".$config['callback_proxy']." as proxy\n";
|
|
curl_setopt($post, CURLOPT_PROXY, $config['callback_proxy']);
|
|
}
|
|
}
|
|
|
|
function target_to_id($target) {
|
|
if( $target[0].$target[1] == "g:" ) {
|
|
$target = "g".dbFetchCell('SELECT id FROM device_groups WHERE name = ?',array(substr($target,2)));
|
|
}
|
|
else {
|
|
$target = dbFetchCell('SELECT device_id FROM devices WHERE hostname = ?',array($target));
|
|
}
|
|
return $target;
|
|
}
|
|
|
|
function id_to_target($id) {
|
|
if( $id[0] == "g" ) {
|
|
$id = 'g:'.dbFetchCell("SELECT name FROM device_groups WHERE id = ?",array(substr($id,1)));
|
|
}
|
|
else {
|
|
$id = dbFetchCell("SELECT hostname FROM devices WHERE device_id = ?",array($id));
|
|
}
|
|
return $id;
|
|
}
|
|
|
|
function first_oid_match($device, $list) {
|
|
foreach ($list as $item) {
|
|
$tmp = trim(snmp_get($device, $item, "-Ovq"), '" ');
|
|
if (!empty($tmp)) {
|
|
return $tmp;
|
|
}
|
|
}
|
|
}
|
|
|
|
function hex_to_ip($hex) {
|
|
$return = "";
|
|
if (filter_var($hex, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4) === FALSE && filter_var($hex, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6) === FALSE) {
|
|
$hex_exp = explode(' ', $hex);
|
|
foreach ($hex_exp as $item) {
|
|
if (!empty($item) && $item != "\"") {
|
|
$return .= hexdec($item).'.';
|
|
}
|
|
}
|
|
$return = substr($return, 0, -1);
|
|
}
|
|
else {
|
|
$return = $hex;
|
|
}
|
|
return $return;
|
|
}
|
|
function fix_integer_value($value) {
|
|
if ($value < 0) {
|
|
$return = 4294967296+$value;
|
|
}
|
|
else {
|
|
$return = $value;
|
|
}
|
|
return $return;
|
|
}
|
|
|
|
function ip_exists($ip) {
|
|
// Function to check if an IP exists in the DB already
|
|
if (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6) !== FALSE) {
|
|
if (!dbFetchRow("SELECT `ipv6_address_id` FROM `ipv6_addresses` WHERE `ipv6_address` = ? OR `ipv6_compressed` = ?", array($ip,$ip))) {
|
|
return false;
|
|
}
|
|
}
|
|
elseif (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4) !== FALSE) {
|
|
if (!dbFetchRow("SELECT `ipv4_address_id` FROM `ipv4_addresses` WHERE `ipv4_address` = ?", array($ip))) {
|
|
return false;
|
|
}
|
|
}
|
|
else {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
function fping($host,$params) {
|
|
|
|
global $config;
|
|
|
|
$descriptorspec = array(
|
|
0 => array("pipe", "r"),
|
|
1 => array("pipe", "w"),
|
|
2 => array("pipe", "w")
|
|
);
|
|
|
|
$process = proc_open($config['fping'] . ' -e -q ' .$params . ' ' .$host.' 2>&1', $descriptorspec, $pipes);
|
|
$read = '';
|
|
|
|
if (is_resource($process)) {
|
|
|
|
fclose($pipes[0]);
|
|
|
|
while (!feof($pipes[1])) {
|
|
$read .= fgets($pipes[1], 1024);
|
|
}
|
|
fclose($pipes[1]);
|
|
proc_close($process);
|
|
}
|
|
|
|
preg_match('/[0-9]+\/[0-9]+\/[0-9]+%/', $read, $loss_tmp);
|
|
preg_match('/[0-9\.]+\/[0-9\.]+\/[0-9\.]*$/', $read, $latency);
|
|
$loss = preg_replace("/%/","",$loss_tmp[0]);
|
|
list($xmt,$rcv,$loss) = preg_split("/\//", $loss);
|
|
list($min,$avg,$max) = preg_split("/\//", $latency[0]);
|
|
if ($loss < 0) {
|
|
$xmt = 1;
|
|
$rcv = 1;
|
|
$loss = 100;
|
|
}
|
|
$response = array('xmt'=>$xmt,'rcv'=>$rcv,'loss'=>$loss,'min'=>$min,'max'=>$max,'avg'=>$avg);
|
|
return $response;
|
|
}
|
|
|
|
function function_check($function) {
|
|
return function_exists($function);
|
|
}
|