<?php
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/*
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Copyright (c) 2009, 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 bind_plugin {
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var $plugin_name = 'bind_plugin';
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var $class_name = 'bind_plugin';
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var $action = 'update';
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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 $conf;
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if(isset($conf['bind']['installed']) && $conf['bind']['installed'] == true) {
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return true;
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} else {
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return false;
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}
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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 $app;
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/*
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Register for the events
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*/
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//* SOA
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$app->plugins->registerEvent('dns_soa_insert',$this->plugin_name,'soa_insert');
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$app->plugins->registerEvent('dns_soa_update',$this->plugin_name,'soa_update');
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$app->plugins->registerEvent('dns_soa_delete',$this->plugin_name,'soa_delete');
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//* RR
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$app->plugins->registerEvent('dns_rr_insert',$this->plugin_name,'rr_insert');
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$app->plugins->registerEvent('dns_rr_update',$this->plugin_name,'rr_update');
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$app->plugins->registerEvent('dns_rr_delete',$this->plugin_name,'rr_delete');
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}
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function soa_insert($event_name,$data) {
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global $app, $conf;
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$this->action = 'insert';
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$this->soa_update($event_name,$data);
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}
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function soa_update($event_name,$data) {
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global $app, $conf;
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//* Load libraries
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$app->uses("getconf,tpl");
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//* load the server configuration options
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$dns_config = $app->getconf->get_server_config($conf["server_id"], 'dns');
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//* Write the domain file
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if(!empty($data['new']['id'])) {
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$tpl = new tpl();
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$tpl->newTemplate("bind_pri.domain.master");
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$zone = $data['new'];
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$tpl->setVar($zone);
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$records = $app->db->queryAllRecords("SELECT * FROM dns_rr WHERE zone = ".$zone['id']." AND active = 'Y'");
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$tpl->setLoop('zones',$records);
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$filename = escapeshellcmd($dns_config['bind_zonefiles_dir'].'/pri.'.substr($zone['origin'],0,-1));
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$app->log("Writing BIND domain file: ".$filename,LOGLEVEL_DEBUG);
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file_put_contents($filename,$tpl->grab());
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exec('chown '.escapeshellcmd($dns_config['bind_user']).':'.escapeshellcmd($dns_config['bind_group']).' '.$filename);
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unset($tpl);
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unset($records);
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unset($zone);
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}
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//* rebuild the named.conf file if the origin has changed or when the origin is inserted.
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//if($this->action == 'insert' || $data['old']['origin'] != $data['new']['origin']) {
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$this->write_named_conf($data,$dns_config);
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//}
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//* Delete old domain file, if domain name has been changed
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if($data['old']['origin'] != $data['new']['origin']) {
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$filename = $dns_config['bind_zonefiles_dir'].'/pri.'.substr($data['old']['origin'],0,-1);
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if(is_file($filename)) unset($filename);
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}
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//* Reload bind nameserver
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$app->services->restartServiceDelayed('bind','reload');
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}
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function soa_delete($event_name,$data) {
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global $app, $conf;
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//* load the server configuration options
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$app->uses("getconf");
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$dns_config = $app->getconf->get_server_config($conf["server_id"], 'dns');
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//* rebuild the named.conf file
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$this->write_named_conf($data,$dns_config);
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//* Delete the domain file
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$filename = $dns_config['bind_zonefiles_dir'].'/pri.'.substr($data['old']['origin'],0,-1);
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if(is_file($filename)) unset($filename);
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$app->log("Deleting BIND domain file: ".$filename,LOGLEVEL_DEBUG);
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//* Reload bind nameserver
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$app->services->restartServiceDelayed('bind','reload');
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}
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function rr_insert($event_name,$data) {
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global $app, $conf;
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//* Get the data of the soa and call soa_update
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$tmp = $app->db->queryOneRecord("SELECT * FROM dns_soa WHERE id = ".$data['new']['zone']);
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$data["new"] = $tmp;
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$data["old"] = $tmp;
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$this->action = 'update';
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$this->soa_update($event_name,$data);
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}
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function rr_update($event_name,$data) {
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global $app, $conf;
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//* Get the data of the soa and call soa_update
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$tmp = $app->db->queryOneRecord("SELECT * FROM dns_soa WHERE id = ".$data['new']['zone']);
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$data["new"] = $tmp;
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$data["old"] = $tmp;
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$this->action = 'update';
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$this->soa_update($event_name,$data);
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}
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function rr_delete($event_name,$data) {
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global $app, $conf;
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//* Get the data of the soa and call soa_update
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$tmp = $app->db->queryOneRecord("SELECT * FROM dns_soa WHERE id = ".$data['old']['zone']);
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$data["new"] = $tmp;
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$data["old"] = $tmp;
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$this->action = 'update';
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$this->soa_update($event_name,$data);
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}
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###################################################################
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function write_named_conf($data, $dns_config) {
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global $app, $conf;
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$tmps = $app->db->queryAllRecords("SELECT origin FROM dns_soa WHERE active = 'Y'");
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$zones = array();
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foreach($tmps as $tmp) {
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$zones[] = array( 'zone' => substr($tmp['origin'],0,-1),
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'zonefile_path' => $dns_config['bind_zonefiles_dir'].'/pri.'.substr($tmp['origin'],0,-1)
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);
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}
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$tpl = new tpl();
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$tpl->newTemplate("bind_named.conf.local.master");
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$tpl->setLoop('zones',$zones);
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file_put_contents($dns_config['named_conf_local_path'],$tpl->grab());
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$app->log("Writing BIND named.conf.local file: ".$dns_config['named_conf_local_path'],LOGLEVEL_DEBUG);
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unset($tpl);
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unset($zones);
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unset($tmps);
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}
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} // end class
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?>
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