<?php
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/*
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Copyright (c) 2007, Till Brehm, projektfarm Gmbh
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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* Neither the name of ISPConfig nor the names of its contributors
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may be used to endorse or promote products derived from this software without
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specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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class network_settings_plugin {
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var $plugin_name = 'network_settings_plugin';
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var $class_name = 'network_settings_plugin';
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//* This function is called during ispconfig installation to determine
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// if a symlink shall be created for this plugin.
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function onInstall() {
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global $conf;
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return true;
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}
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/*
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This function is called when the plugin is loaded
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*/
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function onLoad() {
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global $app;
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/*
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Register for the events
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*/
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$app->plugins->registerEvent('server_insert', 'network_settings_plugin', 'insert');
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$app->plugins->registerEvent('server_update', 'network_settings_plugin', 'update');
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$app->plugins->registerEvent('server_ip_insert', 'network_settings_plugin', 'insert');
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$app->plugins->registerEvent('server_ip_update', 'network_settings_plugin', 'update');
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}
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function insert($event_name, $data) {
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global $app, $conf;
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$this->update($event_name, $data);
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}
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// The purpose of this plugin is to rewrite the main.cf file
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function update($event_name, $data) {
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global $app, $conf;
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// get the config
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$app->uses('getconf');
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$server_config = $app->getconf->get_server_config($conf['server_id'], 'server');
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//* Configure the debian network card settings.
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//* Dont configure
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if($server_config['auto_network_configuration'] == 'y' &&
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$data['mirrored'] == false &&
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$server_config['ip_address'] != '0.0.0.0' &&
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$server_config['gateway'] != '0.0.0.0') {
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if (is_file('/etc/debian_version'))
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{
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copy('/etc/network/interfaces', '/etc/network/interfaces~');
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$app->load('tpl');
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$network_tpl = new tpl();
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$network_tpl->newTemplate('debian_network_interfaces.master');
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$network_tpl->setVar('ip_address', $server_config['ip_address']);
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$network_tpl->setVar('netmask', $server_config['netmask']);
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$network_tpl->setVar('gateway', $server_config['gateway']);
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$network_tpl->setVar('broadcast', $this->broadcast($server_config['ip_address'], $server_config['netmask']));
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$network_tpl->setVar('network', $this->network($server_config['ip_address'], $server_config['netmask']));
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$records = $app->db->queryAllRecords("SELECT ip_address FROM server_ip WHERE server_id = ".intval($conf['server_id']) . ' ORDER BY server_ip_id ASC');
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$ip_records = array();
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$additionl_ip_records = 0;
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$n = 0;
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if(is_array($records)) {
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foreach($records as $rec) {
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/*
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* don't insert the main-ip again!
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*/
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if ($rec['ip_address'] != $server_config['ip_address'])
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{
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$ip_records[$n] = array(
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'id' => $n,
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'ip_address' => $rec['ip_address'],
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'netmask' => $server_config['netmask'],
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'gateway' => $server_config['gateway'],
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'broadcast' => $this->broadcast($rec['ip_address'], $server_config['netmask']),
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'network' => $this->network($rec['ip_address'], $server_config['netmask'])
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);
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$additionl_ip_records = 1;
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$n++;
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}
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}
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}
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/*
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* If we have more than 1 IP we have to add the main-ip at the end
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* of the network-ip-list. If we don't do so, there may be problems
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* in multi-server-settings (with the acces from other server to the
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* main-server) because the LAST IP in the list is the IP mysql uses
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* to determine the host, the user is logging in from.
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*/
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/*
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// Disabled this part as it causes problems on multiserver setups
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if ($additionl_ip_records != 0)
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{
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$swap['ip_address'] = $ip_records[$n-1]['ip_address'];
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$swap['netmask'] = $ip_records[$n-1]['netmask'];
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$swap['gateway'] = $ip_records[$n-1]['gateway'];
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$ip_records[$n-1] = array(
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'id' => $n-1,
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'ip_address' => $server_config['ip_address'],
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'netmask' => $server_config['netmask'],
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'gateway' => $server_config['gateway'],
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'broadcast' => $this->broadcast($server_config['ip_address'],$server_config['netmask']),
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'network' => $this->network($server_config['ip_address'],$server_config['netmask'])
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);
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$network_tpl->setVar('ip_address',$swap['ip_address']);
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$network_tpl->setVar('netmask',$swap['netmask']);
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$network_tpl->setVar('gateway',$swap['gateway']);
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$network_tpl->setVar('broadcast',$this->broadcast($swap['ip_address'],$swap['netmask']));
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$network_tpl->setVar('network',$this->network($swap['ip_address'],$swap['netmask']));
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}
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*/
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$network_tpl->setVar('additionl_ip_records', $additionl_ip_records);
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$network_tpl->setLoop('interfaces', $ip_records);
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file_put_contents('/etc/network/interfaces', $network_tpl->grab());
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unset($network_tpl);
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$app->log('Changed Network settings', LOGLEVEL_DEBUG);
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exec($conf['init_scripts'] . '/' . 'networking force-reload');
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}
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elseif (is_file('/etc/gentoo-release'))
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{
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copy('/etc/conf.d/net', '/etc/conf.d/net~');
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$app->load('tpl');
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$network_tpl = new tpl();
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$network_tpl->newTemplate('gentoo_network_interfaces.master');
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$network_tpl->setVar('ip_address', $server_config['ip_address']);
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$network_tpl->setVar('netmask', $server_config['netmask']);
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$network_tpl->setVar('gateway', $server_config['gateway']);
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$network_tpl->setVar('broadcast', $this->broadcast($server_config['ip_address'], $server_config['netmask']));
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$records = $app->db->queryAllRecords("SELECT ip_address FROM server_ip WHERE server_id = ".intval($conf['server_id']) . " order by ip_address");
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$ip_records = array();
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$additionl_ip_records = 0;
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$n = 0;
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if(is_array($records)) {
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foreach($records as $rec) {
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/*
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* don't insert the main-ip again!
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*/
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if ($rec['ip_address'] != $server_config['ip_address'])
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{
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$ip_records[$n] = array(
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'id' => $n,
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'ip_address' => $rec['ip_address'],
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'netmask' => $server_config['netmask'],
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'gateway' => $server_config['gateway'],
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'broadcast' => $this->broadcast($rec['ip_address'], $server_config['netmask'])
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);
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$additionl_ip_records = 1;
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$n++;
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}
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}
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}
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/*
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* If we have more than 1 IP we have to add the main-ip at the end
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* of the network-ip-list. If we don't do so, there may be problems
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* in multi-server-settings (with the acces from other server to the
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* main-server) because the LAST IP in the list is the IP mysql uses
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* to determine the host, the user is logging in from.
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*/
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if ($additionl_ip_records != 0)
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{
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$swap['ip_address'] = $ip_records[$n-1]['ip_address'];
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$swap['netmask'] = $ip_records[$n-1]['netmask'];
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$swap['gateway'] = $ip_records[$n-1]['gateway'];
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$ip_records[$n-1] = array(
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'id' => $n-1,
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'ip_address' => $server_config['ip_address'],
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'netmask' => $server_config['netmask'],
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'gateway' => $server_config['gateway'],
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'broadcast' => $this->broadcast($server_config['ip_address'], $server_config['netmask'])
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);
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$network_tpl->setVar('ip_address', $swap['ip_address']);
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$network_tpl->setVar('netmask', $swap['netmask']);
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$network_tpl->setVar('gateway', $swap['gateway']);
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$network_tpl->setVar('broadcast', $this->broadcast($swap['ip_address'], $swap['netmask']));
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}
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$network_tpl->setVar('additionl_ip_records', $additionl_ip_records);
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$network_tpl->setLoop('interfaces', $ip_records);
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file_put_contents('/etc/conf.d/net', $network_tpl->grab());
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unset($network_tpl);
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$app->log('Changed Network settings', LOGLEVEL_DEBUG);
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exec($conf['init_scripts'] . '/' . 'net.eth0 restart');
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}
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else {
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$app->log('Network configuration not available for this Linux distribution.', LOGLEVEL_DEBUG);
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}
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} else {
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if($data['mirrored'] == true) {
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$app->log('Skipping network config request. IP addresses from master are not configured on the mirror.', LOGLEVEL_DEBUG);
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}
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if($server_config['auto_network_configuration'] == 'n') {
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$app->log('Network configuration disabled in server settings.', LOGLEVEL_DEBUG);
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}
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}
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//* Configure hostname
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if($event_name == 'server_update' && $data['mirrored'] == false) {
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//* get old server config
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$tmp = $app->ini_parser->parse_ini_string(stripslashes($data['old']['config']));
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$old_server_config = $tmp['server'];
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unset($tmp);
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$new_hostname = trim($server_config['hostname']);
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$old_hostname = trim($old_server_config['hostname']);
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if($new_hostname != '' && $old_hostname != $new_hostname) {
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if(is_file('/etc/hostname')) {
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$app->system->file_put_contents('/etc/hostname',$new_hostname);
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$app->log('Changed /etc/hostname to '.$new_hostname, LOGLEVEL_DEBUG);
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}
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if(is_file('/etc/mailname')) {
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$app->system->file_put_contents('/etc/mailname',$new_hostname);
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$app->log('Changed /etc/mailname to '.$new_hostname, LOGLEVEL_DEBUG);
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}
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$postconf_commands = array(
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'myhostname = '.$new_hostname,
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'mydestination = '.$new_hostname.', localhost, localhost.localdomain'
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);
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//* Executing the postconf commands
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foreach($postconf_commands as $cmd) {
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$command = "postconf -e '$cmd'";
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exec($command);
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}
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$app->log('Changed changed myhostname and mydestination in postfix main.cf to '.$new_hostname, LOGLEVEL_DEBUG);
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//* change /etc/hosts
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$hosts = file_get_contents('/etc/hosts');
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$hosts = str_replace($old_hostname,$new_hostname,$hosts);
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$app->system->file_put_contents('/etc/hosts',$hosts);
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exec($app->system->getinitcommand('postfix', 'restart').' 2>&1');
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exec($app->system->getinitcommand('networking', 'restart').' 2>&1');
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}
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}
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}
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function network($ip, $netmask){
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$netmask = $this->netmask($netmask);
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list($f1, $f2, $f3, $f4) = explode('.', $netmask);
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$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);
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list($f1, $f2, $f3, $f4) = explode('.', $ip);
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$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);
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for($i=0;$i<32;$i++){
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$network_bin .= substr($netmask_bin, $i, 1) * substr($ip_bin, $i, 1);
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}
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$network_bin = wordwrap($network_bin, 8, '.', 1);
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list($f1, $f2, $f3, $f4) = explode('.', trim($network_bin));
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return bindec($f1).'.'.bindec($f2).'.'.bindec($f3).'.'.bindec($f4);
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}
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function broadcast($ip, $netmask){
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$netmask = $this->netmask($netmask);
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$binary_netmask = $this->binary_netmask($netmask);
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list($f1, $f2, $f3, $f4) = explode('.', $ip);
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$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);
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$broadcast_bin = str_pad(substr($ip_bin, 0, $binary_netmask), 32, '1', STR_PAD_RIGHT);
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$broadcast_bin = wordwrap($broadcast_bin, 8, '.', 1);
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list($f1, $f2, $f3, $f4) = explode('.', trim($broadcast_bin));
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return bindec($f1).'.'.bindec($f2).'.'.bindec($f3).'.'.bindec($f4);
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}
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function netmask($netmask){
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list($f1, $f2, $f3, $f4) = explode('.', trim($netmask));
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$bin = str_pad(decbin($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($f4), 8, '0', STR_PAD_LEFT);
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$parts = explode('0', $bin);
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$bin = str_pad($parts[0], 32, '0', STR_PAD_RIGHT);
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$bin = wordwrap($bin, 8, '.', 1);
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list($f1, $f2, $f3, $f4) = explode('.', trim($bin));
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return bindec($f1).'.'.bindec($f2).'.'.bindec($f3).'.'.bindec($f4);
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}
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function binary_netmask($netmask){
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list($f1, $f2, $f3, $f4) = explode('.', trim($netmask));
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$bin = str_pad(decbin($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($f4), 8, '0', STR_PAD_LEFT);
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$parts = explode('0', $bin);
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return substr_count($parts[0], '1');
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}
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} // end class
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?>
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