#!/usr/bin/php -q
<?php

//*************************************************************************************
// A quick hack to reset specified Grandstream devices.  
// Requires the Snoopy class found here: http://snoopy.sourceforge.net/
// Barton Hodges - barton@gcmcomputers.com
//*************************************************************************************

@(include("Snoopy.class.inc")) || die("The Snoopy class could not be included.\n");
$snoopy = new Snoopy;
$devices = array();
$debug = true;

// Add all devices found between 172.16.1.1 and 172.16.1.20 with password admin
add_devices($snoopy, $devices, "172.16.1.", "1", "20", "admin");

// Add the device 172.16.1.22 with password admin
add_device( $devices, "172.16.1.22", "admin" );

// Add the device 172.16.1.25 with password xyz
add_device( $devices, "172.16.1.25", "xyz" );

// Reset all added devices
reset_devices($snoopy, $devices);

//*************************************************************************************

function reset_device(&$snoopy, $ip, $password) {
   global $debug;
   $fp = fsockopen($ip, 80, $errno, $errstr, 3);
   if ( !$fp ) return;
   fclose($fp);
   if ($debug) echo "Resetting ".$ip."\n";
   $snoopy->fetch("http://".$ip);
   while(list($key,$val) = each($snoopy->headers)) {
      if (eregi("type *= *password", $val))
         $password_field = eregi_replace(".*input name *= *\"(.*)\".*", "\\1", $val);
      else if (eregi("form *action *=", $val))
         $action_field = eregi_replace(".*action *= *\"(.*)\" .*", "\\1", $val);
      else if (eregi("type *= *hidden", $val)) {
         $key_field = eregi_replace(".*input name *= *\"(.*)\".*", "\\1", $val);
         $key_value = eregi_replace(".*value *= *(.*) *>.*", "\\1", $val);
      }
   }
   $submit_vars[$password_field] = $password;
   $submit_vars[$key_field] = $key_value;
   $snoopy->submit("http://".$ip."/".$action_field, $submit_vars);
   while(list($key,$val) = each($snoopy->headers)) {
      if (eregi("Set-Cookie: SessionId", $val))
         $session_id = eregi_replace(".*SessionId *= *\"(.*)\".*", "\\1", $val);
   }
   $snoopy->cookies["SessionID"] = $session_id;
   $snoopy->fetch("http://".$ip."/rs.htm");
}

//*************************************************************************************

function add_devices(&$snoopy, &$devices, $network, $ip_start, $ip_end, $password) {
   for ($i=$ip_start; $i < $ip_end; $i++) {
      $ip = $network.$i;
      $fp = fsockopen($ip, 80, $errno, $errstr, 1);
      if ( $fp ) {
         fclose($fp);
         $snoopy->fetch("http://".$ip);
         while(list($key,$val) = each($snoopy->headers))  
            if (eregi("grandstream", $val)) add_device($devices, $ip, $password);
      }
   }
}

//*************************************************************************************

function add_device(&$devices, $ip, $password) {
   global $debug;
   if ($debug) echo "Added ".$ip."\n";
   array_push( $devices, array( 'ip' => $ip, 'password' => $password ) );
}

//*************************************************************************************

function reset_devices(&$snoopy, $devices) {
   foreach( $devices as $device )
      reset_device( $snoopy, $device['ip'], $device['password'] );
}

//*************************************************************************************

?>