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			1133 lines
		
	
	
		
			31 KiB
		
	
	
	
		
			PHP
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			1133 lines
		
	
	
		
			31 KiB
		
	
	
	
		
			PHP
		
	
	
		
			Executable File
		
	
	
	
	
| <?php
 | |
| 
 | |
| /**
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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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| 
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| // Include from PEAR
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| 
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| include_once("Net/IPv4.php");
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| include_once("Net/IPv6.php");
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| 
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| // Observium Includes
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| 
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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($config['install_dir'] . "/includes/dbFacile.php");
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| include_once($config['install_dir'] . "/includes/console_colour.php");
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| 
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| $console_color = new Console_Color2();
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| 
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| if ($config['alerts']['email']['enable'])
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| {
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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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| 
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| function array_sort($array, $on, $order=SORT_ASC)
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| {
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|     $new_array = array();
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|     $sortable_array = array();
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| 
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|     if (count($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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|             } else {
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|                 $sortable_array[$k] = $v;
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|             }
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|         }
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| 
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|         switch ($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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| 
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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 $new_array;
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| }
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| 
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| function mac_clean_to_readable($mac)
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| {
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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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| 
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|   return($r);
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| }
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| 
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| function only_alphanumeric($string)
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| {
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|   return preg_replace('/[^a-zA-Z0-9]/', '', $string);
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| }
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| 
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| function logfile($string)
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| {
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|   global $config;
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| 
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|   $fd = fopen($config['log_file'],'a');
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|   fputs($fd,$string . "\n");
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|   fclose($fd);
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| }
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| 
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| function getHostOS($device)
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| {
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|   global $config, $debug;
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| 
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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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| 
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|   if ($debug)
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|   {
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|     echo("| $sysDescr | $sysObjectId | ");
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|   }
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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($dir_handle))
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|   {
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|     if (preg_match("/.php$/", $file))
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|     {
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|       include($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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| 
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|   if ($os) { return $os; } else { return "generic"; }
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| }
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| 
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| function percent_colour($perc)
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| {
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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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| 
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|   return sprintf('#%02x%02x%02x', $r, $b, $b);
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| }
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| 
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| function interface_errors($rrd_file, $period = '-1d') // Returns the last in/out errors value in RRD
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| {
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|   global $config;
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|   $errors = array();
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| 
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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 $entry)
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|   {
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|     list($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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| 
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|   return $errors;
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| }
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| 
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| function getImage($device)
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| {
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|   global $config;
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| 
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|   $device['os'] = strtolower($device['os']);
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| 
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|   if ($device['icon'] && file_exists($config['html_dir'] . "/images/os/" . $device['icon'] . ".png"))
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|   {
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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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|   {
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|     $image = '<img src="' . $config['base_url'] . '/images/os/' . $config['os'][$device['os']]['icon'] . '.png" />';
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|   } else {
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|     if (file_exists($config['html_dir'] . '/images/os/' . $device['os'] . '.png'))
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|     {
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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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|     {
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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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|       {
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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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| 
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|   return $image;
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| }
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| 
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| function getImageSrc($device)
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| {
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|   global $config;
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| 
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|   $device['os'] = strtolower($device['os']);
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| 
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|   if ($device['icon'] && file_exists($config['html_dir'] . "/images/os/" . $device['icon'] . ".png"))
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|   {
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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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|   {
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|     $image = $config['base_url'] . '/images/os/' . $config['os'][$device['os']]['icon'] . '.png';
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|   } else {
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|     if (file_exists($config['html_dir'] . '/images/os/' . $device['os'] . '.png'))
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|     {
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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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|     {
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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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|       {
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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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| 
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|   return $image;
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| }
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| 
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| function renamehost($id, $new, $source = 'console')
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| {
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|   global $config;
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| 
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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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|   rename($config['rrd_dir']."/$host",$config['rrd_dir']."/$new");
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|   dbUpdate(array('hostname' => $new), 'devices', 'device_id=?', array($id));
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|   log_event("Hostname changed -> $new ($source)", $id, 'system');
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| }
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| 
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| function delete_device($id)
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| {
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|   global $config, $debug;
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|   $ret = '';
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| 
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|   $host = dbFetchCell("SELECT hostname FROM devices WHERE device_id = ?", array($id));
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| 
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|   foreach (dbFetch("SELECT * FROM `ports` WHERE `device_id` = ?", array($id)) as $int_data)
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|   {
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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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| 
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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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| 
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|   shell_exec("rm -rf ".trim($config['rrd_dir'])."/$host");
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| 
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|   $ret .= "Removed device $host\n";
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|   return $ret;
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| }
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| 
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| function addHost($host, $snmpver, $port = '161', $transport = 'udp', $quiet = '0', $poller_group = '0', $force_add = '0')
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| {
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|   global $config;
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| 
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|   list($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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|   {
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|     // Test if IP or Hostname
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|     if (!(inet_pton($host))) 
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|     {
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|       // Test reachability
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|       if ($force_add == 1 || isPingable($host))
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|       {
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|         if (empty($snmpver))
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|         {
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|           // Try SNMPv2c
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|           $snmpver = 'v2c';
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|           $ret = addHost($host, $snmpver);
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|           if (!$ret)
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|           {
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|             //Try SNMPv3
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|             $snmpver = 'v3';
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|             $ret = addHost($host, $snmpver);
 | |
|             if (!$ret)
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|             {
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|               // Try SNMPv1
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|               $snmpver = 'v1';
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|               return addHost($host, $snmpver);
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|             } else {
 | |
|               return $ret;
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|             }
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|           } else {
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|             return $ret;
 | |
|           }
 | |
|         }
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| 
 | |
|         if ($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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|           {
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|             $device = deviceArray($host, NULL, $snmpver, $port, $transport, $v3);
 | |
|             if($quiet == '0') { print_message("Trying v3 parameters " . $v3['authname'] . "/" .  $v3['authlevel'] . " ... "); }
 | |
|             if ($force_add == 1 || isSNMPable($device))
 | |
|             {
 | |
|               $snmphost = snmp_get($device, "sysName.0", "-Oqv", "SNMPv2-MIB");
 | |
|               if (empty($snmphost) or ($snmphost == $host || $hostshort = $host))
 | |
|               {
 | |
|                 $device_id = createHost ($host, NULL, $snmpver, $port, $transport, $v3, $poller_group);
 | |
|                 return $device_id;
 | |
|               } else {
 | |
|                 if($quiet == '0') {print_error("Given hostname does not match SNMP-read hostname ($snmphost)!"); }
 | |
|               }
 | |
|             } else {
 | |
|               if($quiet == '0') {print_error("No reply on credentials " . $v3['authname'] . "/" .  $v3['authlevel'] . " using $snmpver"); }
 | |
|             }
 | |
|           }
 | |
|         }
 | |
|         elseif ($snmpver === "v2c" or $snmpver === "v1")
 | |
|         {
 | |
|           // try each community from config
 | |
|           foreach ($config['snmp']['community'] as $community)
 | |
|           {
 | |
|             $device = deviceArray($host, $community, $snmpver, $port, $transport, NULL);
 | |
|             if($quiet == '0') { print_message("Trying community $community ..."); }
 | |
|             if ($force_add == 1 || isSNMPable($device))
 | |
|             {
 | |
|               $snmphost = snmp_get($device, "sysName.0", "-Oqv", "SNMPv2-MIB");
 | |
|               if (empty($snmphost) || ($snmphost && ($snmphost == $host || $hostshort = $host)))
 | |
|               {
 | |
|                 $device_id = createHost ($host, $community, $snmpver, $port, $transport,array(),$poller_group);
 | |
|                 return $device_id;
 | |
|               } else {
 | |
|                 if($quiet == '0') { print_error("Given hostname does not match SNMP-read hostname ($snmphost)!"); }
 | |
|               }
 | |
|             } else {
 | |
|               if($quiet == '0') { print_error("No reply on community $community using $snmpver"); }
 | |
|             }
 | |
|           }
 | |
|         }
 | |
|         else
 | |
|         {
 | |
|           if($quiet == '0') { print_error("Unsupported SNMP Version \"$snmpver\"."); }
 | |
|         }
 | |
| 
 | |
|         if (!$device_id)
 | |
|         {
 | |
|           // Failed SNMP
 | |
|           if($quiet == '0') { print_error("Could not reach $host with given SNMP community using $snmpver"); }
 | |
|         }
 | |
|       } else {
 | |
|         // failed Reachability
 | |
|         if($quiet == '0') { print_error("Could not ping $host"); }
 | |
|       }
 | |
|     } else {
 | |
|       // Failed DNS lookup
 | |
|       if($quiet == '0') { print_error("$host looks like an IP address, please use FQDN"); }
 | |
|     }
 | |
|   } else {
 | |
|     // found in database
 | |
|     if($quiet == '0') { print_error("Already got host $host"); }
 | |
|   }
 | |
| 
 | |
|   return 0;
 | |
| }
 | |
| 
 | |
| function scanUDP($host, $port, $timeout)
 | |
| {
 | |
|   $handle = fsockopen($host, $port, $errno, $errstr, 2);
 | |
|   socket_set_timeout ($handle, $timeout);
 | |
|   $write = fwrite($handle,"\x00");
 | |
|   if (!$write) { next; }
 | |
|   $startTime = time();
 | |
|   $endTime = time();
 | |
|   $timeDiff = $endTime - $startTime;
 | |
|   if ($timeDiff >= $timeout)
 | |
|   {
 | |
|     fclose($handle); return 1;
 | |
|   } else { fclose($handle); return 0; }
 | |
| }
 | |
| 
 | |
| function deviceArray($host, $community, $snmpver, $port = 161, $transport = 'udp', $v3)
 | |
| {
 | |
|   $device = array();
 | |
|   $device['hostname'] = $host;
 | |
|   $device['port'] = $port;
 | |
|   $device['transport'] = $transport;
 | |
| 
 | |
|   $device['snmpver'] = $snmpver;
 | |
|   if ($snmpver === "v2c" or $snmpver === "v1")
 | |
|   {
 | |
|     $device['community'] = $community;
 | |
|   }
 | |
|   elseif ($snmpver === "v3")
 | |
|   {
 | |
|     $device['authlevel']  = $v3['authlevel'];
 | |
|     $device['authname']   = $v3['authname'];
 | |
|     $device['authpass']   = $v3['authpass'];
 | |
|     $device['authalgo']   = $v3['authalgo'];
 | |
|     $device['cryptopass'] = $v3['cryptopass'];
 | |
|     $device['cryptoalgo'] = $v3['cryptoalgo'];
 | |
|   }
 | |
| 
 | |
|   return $device;
 | |
| }
 | |
| 
 | |
| function netmask2cidr($netmask)
 | |
| {
 | |
|   $addr = Net_IPv4::parseAddress("1.2.3.4/$netmask");
 | |
|   return $addr->bitmask;
 | |
| }
 | |
| 
 | |
| function cidr2netmask($netmask)
 | |
| {
 | |
|   return (long2ip(ip2long("255.255.255.255") << (32-$netmask)));
 | |
| }
 | |
| 
 | |
| function formatUptime($diff, $format="long")
 | |
| {
 | |
|   $yearsDiff = floor($diff/31536000);
 | |
|   $diff -= $yearsDiff*31536000;
 | |
|   $daysDiff = floor($diff/86400);
 | |
|   $diff -= $daysDiff*86400;
 | |
|   $hrsDiff = floor($diff/60/60);
 | |
|   $diff -= $hrsDiff*60*60;
 | |
|   $minsDiff = floor($diff/60);
 | |
|   $diff -= $minsDiff*60;
 | |
|   $secsDiff = $diff;
 | |
| 
 | |
|   $uptime = "";
 | |
| 
 | |
|   if ($format == "short")
 | |
|   {
 | |
|     if ($yearsDiff > '0') { $uptime .= $yearsDiff . "y "; }
 | |
|     if ($daysDiff > '0') { $uptime .= $daysDiff . "d "; }
 | |
|     if ($hrsDiff > '0') { $uptime .= $hrsDiff . "h "; }
 | |
|     if ($minsDiff > '0') { $uptime .= $minsDiff . "m "; }
 | |
|     if ($secsDiff > '0') { $uptime .= $secsDiff . "s "; }
 | |
|   }
 | |
|   else
 | |
|   {
 | |
|     if ($yearsDiff > '0') { $uptime .= $yearsDiff . " years, "; }
 | |
|     if ($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'];
 | |
|    }
 | |
|    $status = shell_exec($config['fping'] . "$fping_params -e $hostname 2>/dev/null");
 | |
|    $response = array();
 | |
|    if (strstr($status, "alive"))
 | |
|    {
 | |
|      $response['result'] = TRUE;
 | |
|    } else {
 | |
|      $status = shell_exec($config['fping6'] . "$fping_params -e $hostname 2>/dev/null");
 | |
|      if (strstr($status, "alive"))
 | |
|      {
 | |
|        $response['result'] = TRUE;
 | |
|      } else {
 | |
|        $response['result'] = FALSE;
 | |
|      }
 | |
|    }
 | |
|    if(is_numeric($device_id) && !empty($device_id))
 | |
|    {
 | |
|      preg_match('/(\d+\.*\d*) (ms)/', $status, $time);
 | |
|      $response['last_ping_timetaken'] = $time[1];
 | |
|    }
 | |
|    return($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 + $usec;
 | |
| }
 | |
| 
 | |
| function createHost($host, $community = NULL, $snmpver, $port = 161, $transport = 'udp', $v3 = array(), $poller_group='0')
 | |
| {
 | |
|   $host = trim(strtolower($host));
 | |
| 
 | |
|   $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 : $mail->ErrorInfo;
 | |
| 	}
 | |
| }
 | |
| 
 | |
| function notify($device,$title,$message)
 | |
| {
 | |
|   global $config;
 | |
| 
 | |
|   if ($config['alerts']['email']['enable'])
 | |
|   {
 | |
|     if (!get_dev_attrib($device,'disable_notify'))
 | |
|     {
 | |
|       if ($config['alerts']['email']['default_only'])
 | |
|       {
 | |
|         $email = $config['alerts']['email']['default'];
 | |
|       } else {
 | |
|         if (get_dev_attrib($device,'override_sysContact_bool'))
 | |
|         {
 | |
|           $email = get_dev_attrib($device,'override_sysContact_string');
 | |
|         }
 | |
|         elseif ($device['sysContact'])
 | |
|         {
 | |
|           $email = $device['sysContact'];
 | |
|         } else {
 | |
|           $email = $config['alerts']['email']['default'];
 | |
|         }
 | |
|       }
 | |
|       $emails = parse_email($email);
 | |
|       if ($emails)
 | |
|       {
 | |
|         $message_header = $config['page_title_prefix']."\n\n";		// FIXME: use different config element
 | |
|         $message_footer = "\n\nE-mail sent to: ";
 | |
|         $i = 0;
 | |
|         $count = count($emails);
 | |
|         foreach ($emails as $email => $email_name)
 | |
|         {
 | |
|           $i++;
 | |
|           $message_footer .= $email;
 | |
|           if ($i < $count)
 | |
|           {
 | |
|             $message_footer .= ", ";
 | |
|           } else {
 | |
|             $message_footer .= "\n";
 | |
|           }
 | |
|         }
 | |
|         $message_footer .= "E-mail sent at: " . date($config['timestamp_format']) . "\n";
 | |
|         if( ($err = send_mail($emails,$title, $message_header.$message.$message_footer)) !== true) { echo "Mailer Error: ".$err."\n"; }
 | |
|       }
 | |
|     }
 | |
|   }
 | |
| }
 | |
| 
 | |
| 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']);
 | |
|     foreach ($config['bad_if'] as $bi)
 | |
|     {
 | |
|       if (strstr($if, $bi))
 | |
|       {
 | |
|         $valid = 0;
 | |
|         if ($debug) { echo("ignored : $bi : $if"); }
 | |
|       }
 | |
|     }
 | |
|     if (is_array($config['bad_if_regexp']))
 | |
|     {
 | |
|       foreach ($config['bad_if_regexp'] as $bi)
 | |
|       {
 | |
|         if (preg_match($bi ."i", $if))
 | |
|         {
 | |
|           $valid = 0;
 | |
|           if ($debug) { echo("ignored : $bi : ".$if); }
 | |
|         }
 | |
|       }
 | |
|     }
 | |
|     if (is_array($config['bad_iftype']))
 | |
|     {
 | |
|       foreach ($config['bad_iftype'] 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);
 | |
| }
 | |
| 
 | |
| ?>
 |