From dee987b263b021b990ea4c62cb15be47c6d61fb5 Mon Sep 17 00:00:00 2001
From: Marius Cramer <m.cramer@pixcept.de>
Date: Mon, 05 Jan 2015 08:30:12 -0500
Subject: [PATCH] Merge branch 'master' into 'master'
---
server/plugins-available/network_settings_plugin.inc.php | 563 +++++++++++++++++++++++++++++++++++---------------------
1 files changed, 350 insertions(+), 213 deletions(-)
diff --git a/server/plugins-available/network_settings_plugin.inc.php b/server/plugins-available/network_settings_plugin.inc.php
index bf75b40..46242d9 100644
--- a/server/plugins-available/network_settings_plugin.inc.php
+++ b/server/plugins-available/network_settings_plugin.inc.php
@@ -1,213 +1,350 @@
-<?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(is_file('/etc/debian_version') && $server_config['auto_network_configuration'] == 'y') {
- 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');
- } else {
- if(is_file('/etc/debian_version')) {
- $app->log("Network configuration disabled in server settings.",LOGLEVEL_WARN);
- } else {
- $app->log("Network configuration not available for this linux distribution.",LOGLEVEL_DEBUG);
- }
- }
-
- }
-
- function network($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($f4),8,"0",STR_PAD_LEFT);
- for($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.
+ //* 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~');
+
+ $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 server_ip_id ASC');
+ $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;
+ $n++;
+ }
+ }
+ }
+
+ /*
+ * If we have more than 1 IP we have to add the main-ip at the end
+ * of the network-ip-list. If we don't do so, there may be problems
+ * in multi-server-settings (with the acces from other server to the
+ * main-server) because the LAST IP in the list is the IP mysql uses
+ * to determine the host, the user is logging in from.
+ */
+ /*
+ // Disabled this part as it causes problems on multiserver setups
+ if ($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'];
+
+ $ip_records[$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 {
+ $app->log('Network configuration not available for this Linux distribution.', LOGLEVEL_DEBUG);
+ }
+
+ } else {
+ if($data['mirrored'] == true) {
+ $app->log('Skipping network config request. IP addresses from master are not configured on the mirror.', LOGLEVEL_DEBUG);
+ }
+ if($server_config['auto_network_configuration'] == 'n') {
+ $app->log('Network configuration disabled in server settings.', LOGLEVEL_DEBUG);
+ }
+ }
+
+ //* Configure hostname
+ if($event_name == 'server_update' && $data['mirrored'] == false) {
+
+ //* get old server config
+ $tmp = $app->ini_parser->parse_ini_string(stripslashes($data['old']['config']));
+ $old_server_config = $tmp['server'];
+ unset($tmp);
+
+ $new_hostname = trim($server_config['hostname']);
+ $old_hostname = trim($old_server_config['hostname']);
+
+ if($new_hostname != '' && $old_hostname != $new_hostname) {
+
+ if(is_file('/etc/hostname')) {
+ $app->system->file_put_contents('/etc/hostname',$new_hostname);
+ $app->log('Changed /etc/hostname to '.$new_hostname, LOGLEVEL_DEBUG);
+ }
+
+ if(is_file('/etc/mailname')) {
+ $app->system->file_put_contents('/etc/mailname',$new_hostname);
+ $app->log('Changed /etc/mailname to '.$new_hostname, LOGLEVEL_DEBUG);
+ }
+
+ $postconf_commands = array(
+ 'myhostname = '.$new_hostname,
+ 'mydestination = '.$new_hostname.', localhost, localhost.localdomain'
+ );
+
+ //* Executing the postconf commands
+ foreach($postconf_commands as $cmd) {
+ $command = "postconf -e '$cmd'";
+ exec($command);
+ }
+
+ $app->log('Changed changed myhostname and mydestination in postfix main.cf to '.$new_hostname, LOGLEVEL_DEBUG);
+
+ //* change /etc/hosts
+ $hosts = file_get_contents('/etc/hosts');
+ $hosts = str_replace($old_hostname,$new_hostname,$hosts);
+ $app->system->file_put_contents('/etc/hosts',$hosts);
+
+ exec($app->system->getinitcommand('postfix', 'restart').' 2>&1');
+ exec($app->system->getinitcommand('networking', 'restart').' 2>&1');
+
+ }
+
+ }
+
+
+ }
+
+ 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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