<?php
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/*
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Copyright (c) 2009, Falko Timme, 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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/*
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The powerdns database name has to be "powerdns" and it must be accessible
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by the "ispconfig" database user
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TABLE STRUCTURE of the "powerdns" database:
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CREATE TABLE `domains` (
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`id` int(11) NOT NULL auto_increment,
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`name` varchar(255) NOT NULL,
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`master` varchar(128) default NULL,
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`last_check` int(11) default NULL,
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`type` varchar(6) NOT NULL,
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`notified_serial` int(11) default NULL,
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`account` varchar(40) default NULL,
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`ispconfig_id` int(11) NOT NULL,
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PRIMARY KEY (`id`),
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UNIQUE KEY `name_index` (`name`)
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) ENGINE=MyISAM DEFAULT CHARSET=latin1;
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CREATE TABLE `records` (
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`id` int(11) NOT NULL auto_increment,
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`domain_id` int(11) default NULL,
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`name` varchar(255) default NULL,
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`type` varchar(6) default NULL,
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`content` varchar(255) default NULL,
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`ttl` int(11) default NULL,
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`prio` int(11) default NULL,
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`change_date` int(11) default NULL,
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`ispconfig_id` int(11) NOT NULL,
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PRIMARY KEY (`id`),
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KEY `rec_name_index` (`name`),
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KEY `nametype_index` (`name`,`type`),
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KEY `domain_id` (`domain_id`)
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) ENGINE=MyISAM DEFAULT CHARSET=latin1;
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CREATE TABLE `supermasters` (
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`ip` varchar(25) NOT NULL,
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`nameserver` varchar(255) NOT NULL,
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`account` varchar(40) default NULL
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) ENGINE=MyISAM DEFAULT CHARSET=latin1;
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IMPORTANT:
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- This plugin does not support ALIAS records (supported only by MyDNS).
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TODO:
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- introduce a variable for the PowerDNS database
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*/
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class powerdns_plugin {
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var $plugin_name = 'powerdns_plugin';
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var $class_name = 'powerdns_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 $conf;
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if(isset($conf['powerdns']['installed']) && $conf['powerdns']['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',$this->plugin_name,'soa_delete');
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//* SLAVE
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$app->plugins->registerEvent('dns_slave_insert',$this->plugin_name,'slave_insert');
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$app->plugins->registerEvent('dns_slave_update',$this->plugin_name,'slave_update');
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$app->plugins->registerEvent('dns_slave_delete',$this->plugin_name,'slave_delete');
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//* RR
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$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, $conf;
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if($data["new"]["active"] != 'Y') return;
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$origin = substr($data["new"]["origin"], 0, -1);
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$ispconfig_id = $data["new"]["id"];
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$serial = $app->db->queryOneRecord("SELECT * FROM dns_soa WHERE id = ".$ispconfig_id);
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$serial_id = $serial["serial"];
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$app->db->query("INSERT INTO powerdns.domains (name, type, notified_serial, ispconfig_id) VALUES ('$origin', 'MASTER', $serial_id, $ispconfig_id)");
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$zone_id = mysql_insert_id();
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if(substr($data["new"]["ns"], -1) == '.'){
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$ns = substr($data["new"]["ns"], 0, -1);
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} else {
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$ns = $data["new"]["ns"].'.'.$origin;
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}
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if($ns == '') $ns = $origin;
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$hostmaster = substr($data["new"]["mbox"], 0, -1);
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$content = $ns.' '.$hostmaster.' 0';
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$ttl = $data["new"]["ttl"];
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$app->db->query("INSERT INTO powerdns.records (domain_id, name, type, content, ttl, prio, change_date, ispconfig_id) VALUES ($zone_id, '$origin', 'SOA', '$content', $ttl, 0, ".time().", $ispconfig_id)");
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//* Reload powerdns nameserver
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$app->services->restartServiceDelayed('powerdns','reload');
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}
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function soa_update($event_name,$data) {
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global $app, $conf;
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if($data["new"]["active"] != 'Y'){
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if($data["old"]["active"] != 'Y') return;
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$this->soa_delete($event_name,$data);
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} else {
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if($data["old"]["active"] == 'Y'){
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$origin = substr($data["new"]["origin"], 0, -1);
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$ispconfig_id = $data["new"]["id"];
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$serial = $app->db->queryOneRecord("SELECT * FROM dns_soa WHERE id = ".$ispconfig_id);
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$serial_id = $serial["serial"];
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//$app->db->query("UPDATE powerdns.domains SET name = '$origin', notified_serial = $serial_id WHERE ispconfig_id = $ispconfig_idi AND type = 'MASTER'");
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//$app->db->query("UPDATE powerdns.domains SET name = '$origin' WHERE ispconfig_id = $ispconfig_id AND type = 'MASTER'");
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if(substr($data["new"]["ns"], -1) == '.'){
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$ns = substr($data["new"]["ns"], 0, -1);
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} else {
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$ns = $data["new"]["ns"].'.'.$origin;
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}
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if($ns == '') $ns = $origin;
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$hostmaster = substr($data["new"]["mbox"], 0, -1);
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//$content = $ns.' '.$hostmaster.' 0';
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$content = $ns.' '.$hostmaster.' '.$serial_id.'';
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$ttl = $data["new"]["ttl"];
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$app->db->query("UPDATE powerdns.records SET name = '$origin', content = '$content', ttl = $ttl, change_date = ".time()." WHERE ispconfig_id = ".$data["new"]["id"]." AND type = 'SOA'");
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//* Reload powerdns nameserver
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$app->services->restartServiceDelayed('powerdns','reload');
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} else {
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$this->soa_insert($event_name,$data);
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$ispconfig_id = $data["new"]["id"];
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if($records = $app->db->queryAllRecords("SELECT * FROM dns_rr WHERE zone = $ispconfig_id AND active = 'Y'")){
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foreach($records as $record){
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foreach($record as $key => $val){
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$data["new"][$key] = $val;
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}
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$this->rr_insert("dns_rr_insert", $data);
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}
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}
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}
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}
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}
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function soa_delete($event_name,$data) {
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global $app, $conf;
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$zone = $app->db->queryOneRecord("SELECT * FROM powerdns.domains WHERE ispconfig_id = ".$data["old"]["id"]." AND type = 'MASTER'");
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$zone_id = $zone["id"];
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$app->db->query("DELETE FROM powerdns.records WHERE domain_id = $zone_id");
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$app->db->query("DELETE FROM powerdns.domains WHERE id = $zone_id");
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//* Reload powerdns nameserver
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$app->services->restartServiceDelayed('powerdns','reload');
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}
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function slave_insert($event_name,$data) {
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global $app, $conf;
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if($data["new"]["active"] != 'Y') return;
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$origin = substr($data["new"]["origin"], 0, -1);
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$ispconfig_id = $data["new"]["id"];
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$master_ns = $data["new"]["ns"];
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$app->db->query("INSERT INTO powerdns.domains (name, type, master, ispconfig_id) VALUES ('$origin', 'SLAVE', '$master_ns', $ispconfig_id)");
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//$app->db->query("INSERT INTO powerdns.domains (name, type, ispconfig_id) VALUES ('$origin', 'NATIVE', $ispconfig_id)");
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$zone_id = mysql_insert_id();
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//* Reload powerdns nameserver
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$app->services->restartServiceDelayed('powerdns','reload');
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}
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function slave_update($event_name,$data) {
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global $app, $conf;
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if($data["new"]["active"] != 'Y'){
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if($data["old"]["active"] != 'Y') return;
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$this->slave_delete($event_name,$data);
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} else {
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if($data["old"]["active"] == 'Y'){
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$origin = substr($data["new"]["origin"], 0, -1);
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$ispconfig_id = $data["new"]["id"];
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$master_ns = $data["new"]["ns"];
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$app->db->query("UPDATE powerdns.domains SET name = '$origin', type = 'SLAVE', master = '$master_ns' WHERE ispconfig_id=$ispconfig_id AND type = 'SLAVE'");
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//$app->db->query("INSERT INTO powerdns.domains (name, type, ispconfig_id) VALUES ('$origin', 'NATIVE', $ispconfig_id)");
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$zone_id = mysql_insert_id();
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$zone = $app->db->queryOneRecord("SELECT * FROM powerdns.domains WHERE ispconfig_id = ".$ispconfig_id." AND type = 'SLAVE'");
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$zone_id = $zone["id"];
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$app->db->query("DELETE FROM powerdns.records WHERE domain_id = $zone_id AND ispconfig_id = 0");
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//* Reload powerdns nameserver
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$app->services->restartServiceDelayed('powerdns','reload');
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} else {
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$this->slave_insert($event_name,$data);
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}
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}
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}
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function slave_delete($event_name,$data) {
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global $app, $conf;
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$zone = $app->db->queryOneRecord("SELECT * FROM powerdns.domains WHERE ispconfig_id = ".$data["old"]["id"]." AND type = 'SLAVE'");
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$zone_id = $zone["id"];
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$app->db->query("DELETE FROM powerdns.records WHERE domain_id = $zone_id");
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$app->db->query("DELETE FROM powerdns.domains WHERE id = $zone_id");
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//* Reload powerdns nameserver
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$app->services->restartServiceDelayed('powerdns','reload');
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}
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function rr_insert($event_name,$data) {
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global $app, $conf;
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if($data["new"]["active"] != 'Y') return;
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$zone = $app->db->queryOneRecord("SELECT * FROM dns_soa WHERE id = ".$data["new"]["zone"]);
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$origin = substr($zone["origin"], 0, -1);
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$powerdns_zone = $app->db->queryOneRecord("SELECT * FROM powerdns.domains WHERE ispconfig_id = ".$data["new"]["zone"]." AND type = 'MASTER'");
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$zone_id = $powerdns_zone["id"];
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$type = $data["new"]["type"];
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if(substr($data["new"]["name"], -1) == '.'){
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$name = substr($data["new"]["name"], 0, -1);
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} else {
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if($data["new"]["name"] == ""){
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$name = $origin;
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} else {
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$name = $data["new"]["name"].'.'.$origin;
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}
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}
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if($name == '') $name = $origin;
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switch ($type) {
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case "CNAME":
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case "MX":
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case "NS":
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case "ALIAS":
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case "PTR":
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case "SRV":
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if(substr($data["new"]["data"], -1) == '.'){
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$content = substr($data["new"]["data"], 0, -1);
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} else {
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$content = $data["new"]["data"].'.'.$origin;
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}
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break;
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case "HINFO":
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$content = $data["new"]["data"];
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$quote1 = strpos($content, '"');
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if($quote1 !== FALSE){
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$quote2 = strpos(substr($content, ($quote1 + 1)), '"');
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}
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if($quote1 !== FALSE && $quote2 !== FALSE){
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$text_between_quotes = str_replace(' ', '_', substr($content, ($quote1 + 1), (($quote2 - $quote1))));
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$content = $text_between_quotes.substr($content, ($quote2 + 2));
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}
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break;
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default:
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$content = $data["new"]["data"];
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}
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$ttl = $data["new"]["ttl"];
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$prio = $data["new"]["aux"];
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$change_date = time();
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$ispconfig_id = $data["new"]["id"];
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$app->db->query("INSERT INTO powerdns.records (domain_id, name, type, content, ttl, prio, change_date, ispconfig_id) VALUES ($zone_id, '$name', '$type', '$content', $ttl, $prio, $change_date, $ispconfig_id)");
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}
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function rr_update($event_name,$data) {
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global $app, $conf;
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if($data["new"]["active"] != 'Y'){
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if($data["old"]["active"] != 'Y') return;
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$this->rr_delete($event_name,$data);
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} else {
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if($data["old"]["active"] == 'Y'){
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$zone = $app->db->queryOneRecord("SELECT * FROM dns_soa WHERE id = ".$data["new"]["zone"]);
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$origin = substr($zone["origin"], 0, -1);
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$powerdns_zone = $app->db->queryOneRecord("SELECT * FROM powerdns.domains WHERE ispconfig_id = ".$data["new"]["zone"]." AND type = 'MASTER'");
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$zone_id = $powerdns_zone["id"];
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$type = $data["new"]["type"];
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if(substr($data["new"]["name"], -1) == '.'){
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$name = substr($data["new"]["name"], 0, -1);
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} else {
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if($data["new"]["name"] == ""){
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$name = $origin;
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} else {
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$name = $data["new"]["name"].'.'.$origin;
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}
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}
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if($name == '') $name = $origin;
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switch ($type) {
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case "CNAME":
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case "MX":
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case "NS":
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case "ALIAS":
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case "PTR":
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case "SRV":
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if(substr($data["new"]["data"], -1) == '.'){
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$content = substr($data["new"]["data"], 0, -1);
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} else {
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$content = $data["new"]["data"].'.'.$origin;
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}
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break;
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case "HINFO":
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$content = $data["new"]["data"];
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$quote1 = strpos($content, '"');
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if($quote1 !== FALSE){
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$quote2 = strpos(substr($content, ($quote1 + 1)), '"');
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}
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if($quote1 !== FALSE && $quote2 !== FALSE){
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$text_between_quotes = str_replace(' ', '_', substr($content, ($quote1 + 1), (($quote2 - $quote1))));
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$content = $text_between_quotes.substr($content, ($quote2 + 2));
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}
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break;
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default:
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$content = $data["new"]["data"];
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}
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$ttl = $data["new"]["ttl"];
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$prio = $data["new"]["aux"];
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$change_date = time();
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$ispconfig_id = $data["new"]["id"];
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//echo "UPDATE powerdns.records SET name = '$name', type = '$type', content = '$content', ttl = $ttl, prio = $prio, change_date = ".time()." WHERE id = $record_id";
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$app->db->query("UPDATE powerdns.records SET name = '$name', type = '$type', content = '$content', ttl = $ttl, prio = $prio, change_date = ".time()." WHERE ispconfig_id = $ispconfig_id AND type != 'SOA'");
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} else {
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$this->rr_insert($event_name,$data);
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}
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}
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}
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function rr_delete($event_name,$data) {
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global $app, $conf;
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$ispconfig_id = $data["old"]["id"];
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$app->db->query("DELETE FROM powerdns.records WHERE ispconfig_id = $ispconfig_id AND type != 'SOA'");
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}
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} // end class
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?>
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