Fixed: FS#3581 - Website unaccessible under some circumstances when using s...

Marius Cramer

2014-07-29 5742e4c99f53f9dbbcc962e9f967a4c377c209b9

 server/plugins-available/network_settings_plugin.inc.php

@@ -29,75 +29,79 @@
*/

class network_settings_plugin {
	

   var $plugin_name = 'network_settings_plugin';
   var $class_name = 'network_settings_plugin';
	
	


   //* This function is called during ispconfig installation to determine
   //  if a symlink shall be created for this plugin.
   function onInstall() {
      global $conf;
		

      return true;
		

   }
	

   /*
       This function is called when the plugin is loaded
   */
	

   function onLoad() {
      global $app;
		

      /*
      Register for the events
      */
		
      $app->plugins->registerEvent('server_insert','network_settings_plugin','insert');
      $app->plugins->registerEvent('server_update','network_settings_plugin','update');
		
      $app->plugins->registerEvent('server_ip_insert','network_settings_plugin','insert');
      $app->plugins->registerEvent('server_ip_update','network_settings_plugin','update');
		
		
		

      $app->plugins->registerEvent('server_insert', 'network_settings_plugin', 'insert');
      $app->plugins->registerEvent('server_update', 'network_settings_plugin', 'update');

      $app->plugins->registerEvent('server_ip_insert', 'network_settings_plugin', 'insert');
      $app->plugins->registerEvent('server_ip_update', 'network_settings_plugin', 'update');



   }
	
   function insert($event_name,$data) {

   function insert($event_name, $data) {
      global $app, $conf;
		
      $this->update($event_name,$data);
		

      $this->update($event_name, $data);

   }
	

   // The purpose of this plugin is to rewrite the main.cf file
   function update($event_name,$data) {
   function update($event_name, $data) {
      global $app, $conf;
		

      // get the config
      $app->uses("getconf");
      $server_config = $app->getconf->get_server_config($conf["server_id"], 'server');
		
      // Configure the debian network card settings
      if($server_config['auto_network_configuration'] == 'y') {
			
         if (is_file('/etc/debian_version')) 
      $app->uses('getconf');
      $server_config = $app->getconf->get_server_config($conf['server_id'], 'server');

      //* Configure the debian network card settings.
      //* Dont configure
      if($server_config['auto_network_configuration'] == 'y' &&
         $data['mirrored'] == false &&
         $server_config['ip_address'] != '0.0.0.0' &&
         $server_config['gateway'] != '0.0.0.0') {

         if (is_file('/etc/debian_version'))
         {
            copy('/etc/network/interfaces','/etc/network/interfaces~');
			
            copy('/etc/network/interfaces', '/etc/network/interfaces~');

            $app->load('tpl');
				

            $network_tpl = new tpl();
            $network_tpl->newTemplate("debian_network_interfaces.master");
					
            $network_tpl->setVar('ip_address',$server_config["ip_address"]);
            $network_tpl->setVar('netmask',$server_config["netmask"]);
            $network_tpl->setVar('gateway',$server_config["gateway"]);
            $network_tpl->setVar('broadcast',$this->broadcast($server_config["ip_address"],$server_config["netmask"]));
            $network_tpl->setVar('network',$this->network($server_config["ip_address"],$server_config["netmask"]));
				
            $records = $app->db->queryAllRecords("SELECT ip_address FROM server_ip WHERE server_id = ".intval($conf["server_id"]) . " order by ip_address");
            $network_tpl->newTemplate('debian_network_interfaces.master');

            $network_tpl->setVar('ip_address', $server_config['ip_address']);
            $network_tpl->setVar('netmask', $server_config['netmask']);
            $network_tpl->setVar('gateway', $server_config['gateway']);
            $network_tpl->setVar('broadcast', $this->broadcast($server_config['ip_address'], $server_config['netmask']));
            $network_tpl->setVar('network', $this->network($server_config['ip_address'], $server_config['netmask']));

            $records = $app->db->queryAllRecords("SELECT ip_address FROM server_ip WHERE server_id = ".intval($conf['server_id']) . ' ORDER BY server_ip_id ASC');
            $ip_records = array();
            $additionl_ip_records = 0;
            $n = 0;
@@ -106,22 +110,22 @@
                  /*
                   * don't insert the main-ip again!
                   */
                  if ($rec['ip_address'] != $server_config["ip_address"])
                  if ($rec['ip_address'] != $server_config['ip_address'])
                  {
                     $ip_records[$n] = array(
                        'id' => $n,
                        'ip_address' => $rec['ip_address'],
                        'netmask' => $server_config["netmask"],
                        'gateway' => $server_config["gateway"],
                        'broadcast' => $this->broadcast($rec['ip_address'],$server_config["netmask"]),
                        'network' => $this->network($rec['ip_address'],$server_config["netmask"])
                        'netmask' => $server_config['netmask'],
                        'gateway' => $server_config['gateway'],
                        'broadcast' => $this->broadcast($rec['ip_address'], $server_config['netmask']),
                        'network' => $this->network($rec['ip_address'], $server_config['netmask'])
                     );
                     $additionl_ip_records = 1;
                     $n++;
                  }
               }
            }
				

            /*
             * If we have more than 1 IP we have to add the main-ip at the end
             * of the network-ip-list. If we don't do so, there may be problems
@@ -129,50 +133,53 @@
             * main-server) because the LAST IP in the list is the IP mysql uses
             * to determine the host, the user is logging in from.
             */
            /*
            // Disabled this part as it causes problems on multiserver setups
            if ($additionl_ip_records != 0)
            {
               $swap["ip_address"] = $ip_records[$n-1]["ip_address"];
               $swap["netmask"] = $ip_records[$n-1]["netmask"];
               $swap["gateway"] = $ip_records[$n-1]["gateway"];
					
               $swap['ip_address'] = $ip_records[$n-1]['ip_address'];
               $swap['netmask'] = $ip_records[$n-1]['netmask'];
               $swap['gateway'] = $ip_records[$n-1]['gateway'];

               $ip_records[$n-1] = array(
                  'id' => $n-1,
                  'ip_address' => $server_config['ip_address'],
                  'netmask' => $server_config["netmask"],
                  'gateway' => $server_config["gateway"],
                  'broadcast' => $this->broadcast($server_config['ip_address'],$server_config["netmask"]),
                  'network' => $this->network($server_config['ip_address'],$server_config["netmask"])
                  'netmask' => $server_config['netmask'],
                  'gateway' => $server_config['gateway'],
                  'broadcast' => $this->broadcast($server_config['ip_address'],$server_config['netmask']),
                  'network' => $this->network($server_config['ip_address'],$server_config['netmask'])
               );
               $network_tpl->setVar('ip_address',$swap["ip_address"]);
               $network_tpl->setVar('netmask',$swap["netmask"]);
               $network_tpl->setVar('gateway',$swap["gateway"]);
               $network_tpl->setVar('broadcast',$this->broadcast($swap["ip_address"],$swap["netmask"]));
               $network_tpl->setVar('network',$this->network($swap["ip_address"],$swap["netmask"]));
               $network_tpl->setVar('ip_address',$swap['ip_address']);
               $network_tpl->setVar('netmask',$swap['netmask']);
               $network_tpl->setVar('gateway',$swap['gateway']);
               $network_tpl->setVar('broadcast',$this->broadcast($swap['ip_address'],$swap['netmask']));
               $network_tpl->setVar('network',$this->network($swap['ip_address'],$swap['netmask']));
            }
				
            $network_tpl->setVar('additionl_ip_records',$additionl_ip_records);
            $network_tpl->setLoop('interfaces',$ip_records);
            file_put_contents('/etc/network/interfaces',$network_tpl->grab());
            */

            $network_tpl->setVar('additionl_ip_records', $additionl_ip_records);
            $network_tpl->setLoop('interfaces', $ip_records);
            file_put_contents('/etc/network/interfaces', $network_tpl->grab());
            unset($network_tpl);
				
            $app->log("Changed Network settings",LOGLEVEL_DEBUG);

            $app->log('Changed Network settings', LOGLEVEL_DEBUG);
            exec($conf['init_scripts'] . '/' . 'networking force-reload');
         } 
         elseif (is_file('/etc/gentoo-release')) 
         }
         elseif (is_file('/etc/gentoo-release'))
         {
            copy('/etc/conf.d/net','/etc/conf.d/net~');
				
            copy('/etc/conf.d/net', '/etc/conf.d/net~');

            $app->load('tpl');
				

            $network_tpl = new tpl();
            $network_tpl->newTemplate("gentoo_network_interfaces.master");
				
            $network_tpl->setVar('ip_address',$server_config["ip_address"]);
            $network_tpl->setVar('netmask',$server_config["netmask"]);
            $network_tpl->setVar('gateway',$server_config["gateway"]);
            $network_tpl->setVar('broadcast',$this->broadcast($server_config["ip_address"],$server_config["netmask"]));
				
            $records = $app->db->queryAllRecords("SELECT ip_address FROM server_ip WHERE server_id = ".intval($conf["server_id"]) . " order by ip_address");
            $network_tpl->newTemplate('gentoo_network_interfaces.master');

            $network_tpl->setVar('ip_address', $server_config['ip_address']);
            $network_tpl->setVar('netmask', $server_config['netmask']);
            $network_tpl->setVar('gateway', $server_config['gateway']);
            $network_tpl->setVar('broadcast', $this->broadcast($server_config['ip_address'], $server_config['netmask']));

            $records = $app->db->queryAllRecords("SELECT ip_address FROM server_ip WHERE server_id = ".intval($conf['server_id']) . " order by ip_address");
            $ip_records = array();
            $additionl_ip_records = 0;
            $n = 0;
@@ -181,21 +188,21 @@
                  /*
                   * don't insert the main-ip again!
                   */
                  if ($rec['ip_address'] != $server_config["ip_address"])
                  if ($rec['ip_address'] != $server_config['ip_address'])
                  {
                     $ip_records[$n] = array(
                        'id' => $n,
                        'ip_address' => $rec['ip_address'],
                        'netmask' => $server_config["netmask"],
                        'gateway' => $server_config["gateway"],
                        'broadcast' => $this->broadcast($rec['ip_address'],$server_config["netmask"])
                        'netmask' => $server_config['netmask'],
                        'gateway' => $server_config['gateway'],
                        'broadcast' => $this->broadcast($rec['ip_address'], $server_config['netmask'])
                     );
                     $additionl_ip_records = 1;
                     $n++;
                  }
               }
            }
				

            /*
             * If we have more than 1 IP we have to add the main-ip at the end
             * of the network-ip-list. If we don't do so, there may be problems
@@ -205,81 +212,86 @@
             */
            if ($additionl_ip_records != 0)
            {
               $swap["ip_address"] = $ip_records[$n-1]["ip_address"];
               $swap["netmask"] = $ip_records[$n-1]["netmask"];
               $swap["gateway"] = $ip_records[$n-1]["gateway"];
					
               $swap['ip_address'] = $ip_records[$n-1]['ip_address'];
               $swap['netmask'] = $ip_records[$n-1]['netmask'];
               $swap['gateway'] = $ip_records[$n-1]['gateway'];

               $ip_records[$n-1] = array(
                  'id' => $n-1,
                  'ip_address' => $server_config['ip_address'],
                  'netmask' => $server_config["netmask"],
                  'gateway' => $server_config["gateway"],
                  'broadcast' => $this->broadcast($server_config['ip_address'],$server_config["netmask"])
                  'netmask' => $server_config['netmask'],
                  'gateway' => $server_config['gateway'],
                  'broadcast' => $this->broadcast($server_config['ip_address'], $server_config['netmask'])
               );
               $network_tpl->setVar('ip_address',$swap["ip_address"]);
               $network_tpl->setVar('netmask',$swap["netmask"]);
               $network_tpl->setVar('gateway',$swap["gateway"]);
               $network_tpl->setVar('broadcast',$this->broadcast($swap["ip_address"],$swap["netmask"]));
               $network_tpl->setVar('ip_address', $swap['ip_address']);
               $network_tpl->setVar('netmask', $swap['netmask']);
               $network_tpl->setVar('gateway', $swap['gateway']);
               $network_tpl->setVar('broadcast', $this->broadcast($swap['ip_address'], $swap['netmask']));
            }
				
            $network_tpl->setVar('additionl_ip_records',$additionl_ip_records);
            $network_tpl->setLoop('interfaces',$ip_records);
            file_put_contents('/etc/conf.d/net',$network_tpl->grab());

            $network_tpl->setVar('additionl_ip_records', $additionl_ip_records);
            $network_tpl->setLoop('interfaces', $ip_records);
            file_put_contents('/etc/conf.d/net', $network_tpl->grab());
            unset($network_tpl);
				
            $app->log("Changed Network settings",LOGLEVEL_DEBUG);

            $app->log('Changed Network settings', LOGLEVEL_DEBUG);
            exec($conf['init_scripts'] . '/' . 'net.eth0 restart');
         } 
         else {
            $app->log("Network configuration not available for this Linux distribution.",LOGLEVEL_DEBUG);
         }
			
         else {
            $app->log('Network configuration not available for this Linux distribution.', LOGLEVEL_DEBUG);
         }

      } else {
         $app->log("Network configuration disabled in server settings.",LOGLEVEL_WARN);
         if($data['mirrored'] == true) {
            $app->log('Skipping network config request. IP addresses from amster are not configured on the mirror.', LOGLEVEL_DEBUG);
         }
         if($server_config['auto_network_configuration'] == 'n') {
            $app->log('Network configuration disabled in server settings.', LOGLEVEL_DEBUG);
         }
      }
		

   }
	

   function network($ip, $netmask){
      $netmask = $this->netmask($netmask);
      list($f1,$f2,$f3,$f4) = explode(".", $netmask);
      $netmask_bin = str_pad(decbin($f1),8,"0",STR_PAD_LEFT).str_pad(decbin($f2),8,"0",STR_PAD_LEFT).str_pad(decbin($f3),8,"0",STR_PAD_LEFT).str_pad(decbin($f4),8,"0",STR_PAD_LEFT);
      list($f1,$f2,$f3,$f4) = explode(".", $ip);
      $ip_bin = str_pad(decbin($f1),8,"0",STR_PAD_LEFT).str_pad(decbin($f2),8,"0",STR_PAD_LEFT).str_pad(decbin($f3),8,"0",STR_PAD_LEFT).str_pad(decbin($f4),8,"0",STR_PAD_LEFT);
      list($f1, $f2, $f3, $f4) = explode('.', $netmask);
      $netmask_bin = str_pad(decbin($f1), 8, '0', STR_PAD_LEFT).str_pad(decbin($f2), 8, '0', STR_PAD_LEFT).str_pad(decbin($f3), 8, '0', STR_PAD_LEFT).str_pad(decbin($f4), 8, '0', STR_PAD_LEFT);
      list($f1, $f2, $f3, $f4) = explode('.', $ip);
      $ip_bin = str_pad(decbin($f1), 8, '0', STR_PAD_LEFT).str_pad(decbin($f2), 8, '0', STR_PAD_LEFT).str_pad(decbin($f3), 8, '0', STR_PAD_LEFT).str_pad(decbin($f4), 8, '0', STR_PAD_LEFT);
      for($i=0;$i<32;$i++){
         $network_bin .= substr($netmask_bin,$i,1) * substr($ip_bin,$i,1);
         $network_bin .= substr($netmask_bin, $i, 1) * substr($ip_bin, $i, 1);
      }
      $network_bin = wordwrap($network_bin, 8, ".", 1);
      list($f1,$f2,$f3,$f4) = explode(".", trim($network_bin));
      return bindec($f1).".".bindec($f2).".".bindec($f3).".".bindec($f4);
      $network_bin = wordwrap($network_bin, 8, '.', 1);
      list($f1, $f2, $f3, $f4) = explode('.', trim($network_bin));
      return bindec($f1).'.'.bindec($f2).'.'.bindec($f3).'.'.bindec($f4);
   }

   function broadcast($ip, $netmask){
      $netmask = $this->netmask($netmask);
      $binary_netmask = $this->binary_netmask($netmask);
      list($f1,$f2,$f3,$f4) = explode(".", $ip);
      $ip_bin = str_pad(decbin($f1),8,"0",STR_PAD_LEFT).str_pad(decbin($f2),8,"0",STR_PAD_LEFT).str_pad(decbin($f3),8,"0",STR_PAD_LEFT).str_pad(decbin($f4),8,"0",STR_PAD_LEFT);
      $broadcast_bin = str_pad(substr($ip_bin, 0, $binary_netmask),32,"1",STR_PAD_RIGHT);
      $broadcast_bin = wordwrap($broadcast_bin, 8, ".", 1);
      list($f1,$f2,$f3,$f4) = explode(".", trim($broadcast_bin));
      return bindec($f1).".".bindec($f2).".".bindec($f3).".".bindec($f4);
      list($f1, $f2, $f3, $f4) = explode('.', $ip);
      $ip_bin = str_pad(decbin($f1), 8, '0', STR_PAD_LEFT).str_pad(decbin($f2), 8, '0', STR_PAD_LEFT).str_pad(decbin($f3), 8, '0', STR_PAD_LEFT).str_pad(decbin($f4), 8, '0', STR_PAD_LEFT);
      $broadcast_bin = str_pad(substr($ip_bin, 0, $binary_netmask), 32, '1', STR_PAD_RIGHT);
      $broadcast_bin = wordwrap($broadcast_bin, 8, '.', 1);
      list($f1, $f2, $f3, $f4) = explode('.', trim($broadcast_bin));
      return bindec($f1).'.'.bindec($f2).'.'.bindec($f3).'.'.bindec($f4);
   }
	

   function netmask($netmask){
      list($f1,$f2,$f3,$f4) = explode(".", trim($netmask));
      $bin = str_pad(decbin($f1),8,"0",STR_PAD_LEFT).str_pad(decbin($f2),8,"0",STR_PAD_LEFT).str_pad(decbin($f3),8,"0",STR_PAD_LEFT).str_pad(decbin($f4),8,"0",STR_PAD_LEFT);
      $parts = explode("0", $bin);
      $bin = str_pad($parts[0], 32, "0", STR_PAD_RIGHT);
      $bin = wordwrap($bin, 8, ".", 1);
      list($f1,$f2,$f3,$f4) = explode(".", trim($bin));
      return bindec($f1).".".bindec($f2).".".bindec($f3).".".bindec($f4);
      list($f1, $f2, $f3, $f4) = explode('.', trim($netmask));
      $bin = str_pad(decbin($f1), 8, '0', STR_PAD_LEFT).str_pad(decbin($f2), 8, '0', STR_PAD_LEFT).str_pad(decbin($f3), 8, '0', STR_PAD_LEFT).str_pad(decbin($f4), 8, '0', STR_PAD_LEFT);
      $parts = explode('0', $bin);
      $bin = str_pad($parts[0], 32, '0', STR_PAD_RIGHT);
      $bin = wordwrap($bin, 8, '.', 1);
      list($f1, $f2, $f3, $f4) = explode('.', trim($bin));
      return bindec($f1).'.'.bindec($f2).'.'.bindec($f3).'.'.bindec($f4);
   }

   function binary_netmask($netmask){
      list($f1,$f2,$f3,$f4) = explode(".", trim($netmask));
      $bin = str_pad(decbin($f1),8,"0",STR_PAD_LEFT).str_pad(decbin($f2),8,"0",STR_PAD_LEFT).str_pad(decbin($f3),8,"0",STR_PAD_LEFT).str_pad(decbin($f4),8,"0",STR_PAD_LEFT);
      $parts = explode("0", $bin);
      return substr_count($parts[0], "1");
      list($f1, $f2, $f3, $f4) = explode('.', trim($netmask));
      $bin = str_pad(decbin($f1), 8, '0', STR_PAD_LEFT).str_pad(decbin($f2), 8, '0', STR_PAD_LEFT).str_pad(decbin($f3), 8, '0', STR_PAD_LEFT).str_pad(decbin($f4), 8, '0', STR_PAD_LEFT);
      $parts = explode('0', $bin);
      return substr_count($parts[0], '1');
   }

} // end class