<?php
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/*
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Copyright (c) 2008, 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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/*
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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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if(is_file('/etc/debian_version') && $server_config['auto_network_configuration'] == 'y') {
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copy('/etc/network/interfaces','/etc/network/interfaces~');
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$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"]));
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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 $rec) {
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$ip_records[] = 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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$n++;
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}
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}
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$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('/etc/init.d/networking force-reload');
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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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