From 7abfaee94234acbe7e772c27b276f4bc5277fd85 Mon Sep 17 00:00:00 2001
From: jwarnier <jwarnier@ispconfig3>
Date: Fri, 3 Sep 2010 11:26:24 +0000
Subject: [PATCH] convert from DOS to UNIX Line Feeds (CR/LF)

---
 .../network_settings_plugin.inc.php           | 578 +++++++++---------
 1 file changed, 289 insertions(+), 289 deletions(-)

diff --git a/server/plugins-available/network_settings_plugin.inc.php b/server/plugins-available/network_settings_plugin.inc.php
index cfe33c7a2..961e2cdee 100644
--- a/server/plugins-available/network_settings_plugin.inc.php
+++ b/server/plugins-available/network_settings_plugin.inc.php
@@ -1,289 +1,289 @@
-<?php
-
-/*
-Copyright (c) 2007, Till Brehm, projektfarm Gmbh
-All rights reserved.
-
-Redistribution and use in source and binary forms, with or without modification,
-are permitted provided that the following conditions are met:
-
-    * Redistributions of source code must retain the above copyright notice,
-      this list of conditions and the following disclaimer.
-    * Redistributions in binary form must reproduce the above copyright notice,
-      this list of conditions and the following disclaimer in the documentation
-      and/or other materials provided with the distribution.
-    * Neither the name of ISPConfig nor the names of its contributors
-      may be used to endorse or promote products derived from this software without
-      specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
-ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
-IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
-INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
-BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
-OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
-EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-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');
-		$app->plugins->registerEvent('server_ip_update','network_settings_plugin','update');
-		
-		
-		
-	}
-	
-	function insert($event_name,$data) {
-		global $app, $conf;
-		
-		$this->update($event_name,$data);
-		
-	}
-	
-	// The purpose of this plugin is to rewrite the main.cf file
-	function update($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')) 
-			{
-				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");
-				$ip_records = array();
-				$additionl_ip_records = 0;
-				$n = 0;
-				if(is_array($records)) {
-					foreach($records as $rec) {
-						/*
-						 * don't insert the main-ip again!
-						 */
-						if ($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"])
-							);
-							$additionl_ip_records = 1;
-							$n++;
-						}
-					}
-				}
-				
-				/*
-				 * If we have more than 1 IP we have to add the main-ip at the end
-				 * of the network-ip-list. If we don't do so, there may be problems
-				 * in multi-server-settings (with the acces from other server to the
-				 * main-server) because the LAST IP in the list is the IP mysql uses
-				 * to determine the host, the user is logging in from.
-				 */
-				if ($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"];
-					
-					$ip_records[$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"])
-					);
-					$network_tpl->setVar('ip_address',$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',$network_tpl->grab());
-				unset($network_tpl);
-				
-				$app->log("Changed Network settings",LOGLEVEL_DEBUG);
-				exec('/etc/init.d/networking force-reload');
-			} 
-			elseif (is_file('/etc/gentoo-release')) 
-			{
-				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");
-				$ip_records = array();
-				$additionl_ip_records = 0;
-				$n = 0;
-				if(is_array($records)) {
-					foreach($records as $rec) {
-						/*
-						 * don't insert the main-ip again!
-						 */
-						if ($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"])
-							);
-							$additionl_ip_records = 1;
-							$n++;
-						}
-					}
-				}
-				
-				/*
-				 * If we have more than 1 IP we have to add the main-ip at the end
-				 * of the network-ip-list. If we don't do so, there may be problems
-				 * in multi-server-settings (with the acces from other server to the
-				 * main-server) because the LAST IP in the list is the IP mysql uses
-				 * to determine the host, the user is logging in from.
-				 */
-				if ($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"];
-					
-					$ip_records[$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"])
-					);
-					$network_tpl->setVar('ip_address',$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',$network_tpl->grab());
-				unset($network_tpl);
-				
-				$app->log("Changed Network settings",LOGLEVEL_DEBUG);
-				exec('/etc/init.d/net.eth0 restart');
-			} 
-			else {
-				$app->log("Network configuration not available for this linux distribution.",LOGLEVEL_DEBUG);
-			}
-			
-		} else {
-			$app->log("Network configuration disabled in server settings.",LOGLEVEL_WARN);
-		}
-		
-	}
-	
-	function network($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($f4),8,"0",STR_PAD_LEFT);
-		for($i=0;$i<32;$i++){
-			$network_bin .= substr($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($f4);
-	}
-
-	function broadcast($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($f4);
-	}
-	
-	function netmask($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($f4);
-	}
-
-	function binary_netmask($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");
-	}
-
-} // end class
-
-
-
-?>
\ No newline at end of file
+<?php
+
+/*
+Copyright (c) 2007, Till Brehm, projektfarm Gmbh
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright notice,
+      this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright notice,
+      this list of conditions and the following disclaimer in the documentation
+      and/or other materials provided with the distribution.
+    * Neither the name of ISPConfig nor the names of its contributors
+      may be used to endorse or promote products derived from this software without
+      specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+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');
+		$app->plugins->registerEvent('server_ip_update','network_settings_plugin','update');
+		
+		
+		
+	}
+	
+	function insert($event_name,$data) {
+		global $app, $conf;
+		
+		$this->update($event_name,$data);
+		
+	}
+	
+	// The purpose of this plugin is to rewrite the main.cf file
+	function update($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')) 
+			{
+				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");
+				$ip_records = array();
+				$additionl_ip_records = 0;
+				$n = 0;
+				if(is_array($records)) {
+					foreach($records as $rec) {
+						/*
+						 * don't insert the main-ip again!
+						 */
+						if ($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"])
+							);
+							$additionl_ip_records = 1;
+							$n++;
+						}
+					}
+				}
+				
+				/*
+				 * If we have more than 1 IP we have to add the main-ip at the end
+				 * of the network-ip-list. If we don't do so, there may be problems
+				 * in multi-server-settings (with the acces from other server to the
+				 * main-server) because the LAST IP in the list is the IP mysql uses
+				 * to determine the host, the user is logging in from.
+				 */
+				if ($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"];
+					
+					$ip_records[$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"])
+					);
+					$network_tpl->setVar('ip_address',$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',$network_tpl->grab());
+				unset($network_tpl);
+				
+				$app->log("Changed Network settings",LOGLEVEL_DEBUG);
+				exec($conf['init_scripts'] . '/' . 'networking force-reload');
+			} 
+			elseif (is_file('/etc/gentoo-release')) 
+			{
+				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");
+				$ip_records = array();
+				$additionl_ip_records = 0;
+				$n = 0;
+				if(is_array($records)) {
+					foreach($records as $rec) {
+						/*
+						 * don't insert the main-ip again!
+						 */
+						if ($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"])
+							);
+							$additionl_ip_records = 1;
+							$n++;
+						}
+					}
+				}
+				
+				/*
+				 * If we have more than 1 IP we have to add the main-ip at the end
+				 * of the network-ip-list. If we don't do so, there may be problems
+				 * in multi-server-settings (with the acces from other server to the
+				 * main-server) because the LAST IP in the list is the IP mysql uses
+				 * to determine the host, the user is logging in from.
+				 */
+				if ($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"];
+					
+					$ip_records[$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"])
+					);
+					$network_tpl->setVar('ip_address',$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',$network_tpl->grab());
+				unset($network_tpl);
+				
+				$app->log("Changed Network settings",LOGLEVEL_DEBUG);
+				exec($conf['init_scripts'] . '/' . 'net.eth0 restart');
+			} 
+			else {
+				$app->log("Network configuration not available for this Linux distribution.",LOGLEVEL_DEBUG);
+			}
+			
+		} else {
+			$app->log("Network configuration disabled in server settings.",LOGLEVEL_WARN);
+		}
+		
+	}
+	
+	function network($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($f4),8,"0",STR_PAD_LEFT);
+		for($i=0;$i<32;$i++){
+			$network_bin .= substr($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($f4);
+	}
+
+	function broadcast($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($f4);
+	}
+	
+	function netmask($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($f4);
+	}
+
+	function binary_netmask($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");
+	}
+
+} // end class
+
+
+
+?>
-- 
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