491 lines
17 KiB
PHP
491 lines
17 KiB
PHP
<?php if (!defined('MASTER_CRONJOB')) die('You cannot access this file directly!');
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/**
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* This file is part of the Froxlor project.
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* Copyright (c) 2003-2009 the SysCP Team (see authors).
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* Copyright (c) 2010 the Froxlor Team (see authors).
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*
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* For the full copyright and license information, please view the COPYING
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* file that was distributed with this source code. You can also view the
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* COPYING file online at http://files.froxlor.org/misc/COPYING.txt
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*
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* @copyright (c) the authors
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* @author Florian Lippert <flo@syscp.org> (2003-2009)
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* @author Froxlor team <team@froxlor.org> (2010-)
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* @license GPLv2 http://files.froxlor.org/misc/COPYING.txt
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* @package Cron
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*
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*/
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class bind
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{
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public $logger = false;
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public $debugHandler = false;
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public $settings = array();
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public $nameservers = array();
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public $mxservers = array();
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public $axfrservers = array();
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public function __construct($logger, $debugHandler, $settings) {
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$this->logger = $logger;
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$this->debugHandler = $debugHandler;
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$this->settings = $settings;
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if ($this->settings['system']['nameservers'] != '') {
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$nameservers = explode(',', $this->settings['system']['nameservers']);
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foreach ($nameservers as $nameserver) {
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$nameserver_ip = gethostbyname(trim($nameserver));
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if (substr($nameserver, -1, 1) != '.') {
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$nameserver.= '.';
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}
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$this->nameservers[] = array(
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'hostname' => trim($nameserver),
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'ip' => trim($nameserver_ip)
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);
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}
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}
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if ($this->settings['system']['mxservers'] != '') {
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$mxservers = explode(',', $this->settings['system']['mxservers']);
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foreach ($mxservers as $mxserver) {
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if (substr($mxserver, -1, 1) != '.') {
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$mxserver.= '.';
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}
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$this->mxservers[] = $mxserver;
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}
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}
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// AXFR server #100
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if ($this->settings['system']['axfrservers'] != '') {
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$axfrservers = explode(',', $this->settings['system']['axfrservers']);
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foreach ($axfrservers as $axfrserver) {
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$this->axfrservers[] = trim($axfrserver);
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}
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}
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}
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public function writeConfigs()
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{
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fwrite($this->debugHandler, ' cron_tasks: Task4 started - Rebuilding froxlor_bind.conf' . "\n");
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$this->logger->logAction(CRON_ACTION, LOG_INFO, 'Task4 started - Rebuilding froxlor_bind.conf');
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if(!file_exists(makeCorrectDir($this->settings['system']['bindconf_directory'] . '/domains/')))
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{
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$this->logger->logAction(CRON_ACTION, LOG_NOTICE, 'mkdir ' . escapeshellarg(makeCorrectDir($this->settings['system']['bindconf_directory'] . '/domains/')));
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safe_exec('mkdir ' . escapeshellarg(makeCorrectDir($this->settings['system']['bindconf_directory'] . '/domains/')));
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}
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$known_filenames = array();
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$bindconf_file = '# ' . $this->settings['system']['bindconf_directory'] . 'froxlor_bind.conf' . "\n" . '# Created ' . date('d.m.Y H:i') . "\n" . '# Do NOT manually edit this file, all changes will be deleted after the next domain change at the panel.' . "\n" . "\n";
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$result_domains_stmt = Database::query("
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SELECT `d`.`id`, `d`.`domain`, `d`.`iswildcarddomain`, `d`.`wwwserveralias`, `d`.`customerid`, `d`.`zonefile`, `d`.`bindserial`, `d`.`dkim`, `d`.`dkim_id`, `d`.`dkim_pubkey`, `c`.`loginname`, `c`.`guid`
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FROM `" . TABLE_PANEL_DOMAINS . "` `d` LEFT JOIN `" . TABLE_PANEL_CUSTOMERS . "` `c` USING(`customerid`)
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WHERE `d`.`isbinddomain` = '1' ORDER BY `d`.`domain` ASC
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");
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while ($domain = $result_domains_stmt->fetch(PDO::FETCH_ASSOC)) {
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fwrite($this->debugHandler, ' cron_tasks: Task4 - Writing ' . $domain['id'] . '::' . $domain['domain'] . "\n");
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$this->logger->logAction(CRON_ACTION, LOG_INFO, 'Writing ' . $domain['id'] . '::' . $domain['domain']);
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if($domain['zonefile'] == '')
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{
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$zonefile = $this->generateZone($domain);
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$domain['zonefile'] = 'domains/' . $domain['domain'] . '.zone';
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$zonefile_name = makeCorrectFile($this->settings['system']['bindconf_directory'] . '/' . $domain['zonefile']);
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$known_filenames[] = basename($zonefile_name);
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$zonefile_handler = fopen($zonefile_name, 'w');
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fwrite($zonefile_handler, $zonefile);
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fclose($zonefile_handler);
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fwrite($this->debugHandler, ' cron_tasks: Task4 - `' . $zonefile_name . '` zone written' . "\n");
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}
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$bindconf_file.= '# Domain ID: ' . $domain['id'] . ' - CustomerID: ' . $domain['customerid'] . ' - CustomerLogin: ' . $domain['loginname'] . "\n";
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$bindconf_file.= 'zone "' . $domain['domain'] . '" in {' . "\n";
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$bindconf_file.= ' type master;' . "\n";
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$bindconf_file.= ' file "' . makeCorrectFile($this->settings['system']['bindconf_directory'] . '/' . $domain['zonefile']) . '";' . "\n";
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$bindconf_file.= ' allow-query { any; };' . "\n";
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if (count($this->nameservers) > 0
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|| count($this->axfrservers) > 0
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) {
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// open allow-transfer
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$bindconf_file.= ' allow-transfer {' . "\n";
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// put nameservers in allow-transfer
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if (count($this->nameservers) > 0) {
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foreach ($this->nameservers as $ns) {
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$bindconf_file.= ' ' . $ns['ip'] . ';' . "\n";
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}
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}
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// AXFR server #100
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if (count($this->axfrservers) > 0) {
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foreach ($this->axfrservers as $axfrserver) {
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if (validate_ip($axfrserver, true) !== false) {
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$bindconf_file.= ' ' . $axfrserver . ';' . "\n";
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}
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}
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}
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// close allow-transfer
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$bindconf_file.= ' };' . "\n";
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}
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$bindconf_file.= '};' . "\n";
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$bindconf_file.= "\n";
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}
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$bindconf_file_handler = fopen(makeCorrectFile($this->settings['system']['bindconf_directory'] . '/froxlor_bind.conf'), 'w');
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fwrite($bindconf_file_handler, $bindconf_file);
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fclose($bindconf_file_handler);
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fwrite($this->debugHandler, ' cron_tasks: Task4 - froxlor_bind.conf written' . "\n");
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$this->logger->logAction(CRON_ACTION, LOG_INFO, 'froxlor_bind.conf written');
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safe_exec(escapeshellcmd($this->settings['system']['bindreload_command']));
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fwrite($this->debugHandler, ' cron_tasks: Task4 - Bind9 reloaded' . "\n");
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$this->logger->logAction(CRON_ACTION, LOG_INFO, 'Bind9 reloaded');
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$domains_dir = makeCorrectDir($this->settings['system']['bindconf_directory'] . '/domains/');
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if(file_exists($domains_dir)
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&& is_dir($domains_dir))
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{
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$domain_file_dirhandle = opendir($domains_dir);
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while(false !== ($domain_filename = readdir($domain_file_dirhandle)))
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{
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$full_filename = makeCorrectFile($domains_dir . '/' . $domain_filename);
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if($domain_filename != '.'
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&& $domain_filename != '..'
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&& !in_array($domain_filename, $known_filenames)
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&& is_file($full_filename)
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&& file_exists($full_filename))
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{
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fwrite($this->debugHandler, ' cron_tasks: Task4 - unlinking ' . $domain_filename . "\n");
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$this->logger->logAction(CRON_ACTION, LOG_WARNING, 'Deleting ' . $domain_filename);
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unlink(makeCorrectFile($domains_dir . '/' . $domain_filename));
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}
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}
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}
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}
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protected function generateZone($domain)
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{
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// Array to save all ips needed in the records (already including IN A/AAAA)
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$ip_a_records = array();
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// Array to save DNS records
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$records = array();
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$result_ip_stmt = Database::prepare("
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SELECT `p`.`ip` AS `ip`
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FROM `".TABLE_PANEL_IPSANDPORTS."` `p`, `".TABLE_DOMAINTOIP."` `di`
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WHERE `di`.`id_domain` = :domainid AND `p`.`id` = `di`.`id_ipandports`
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GROUP BY `p`.`ip`;
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");
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Database::pexecute($result_ip_stmt, array('domainid' => $domain['id']));
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while ($ip = $result_ip_stmt->fetch(PDO::FETCH_ASSOC)) {
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if (filter_var($ip['ip'], FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)) {
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$ip_a_records[] = "A\t\t" . $ip['ip'];
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}
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elseif (filter_var($ip['ip'], FILTER_VALIDATE_IP, FILTER_FLAG_IPV6)) {
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$ip_a_records[] = "AAAA\t\t" . $ip['ip'];
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}
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else {
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return ";Error in at least one IP Adress (".$ip['ip']."), could not create zonefile!";
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}
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}
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$date = date('Ymd');
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$bindserial = (preg_match('/^' . $date . '/', $domain['bindserial']) ? $domain['bindserial'] + 1 : $date . '00');
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$upd_stmt = Database::prepare("
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UPDATE `" . TABLE_PANEL_DOMAINS . "` SET
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`bindserial` = :serial
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WHERE `id` = :id
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");
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Database::pexecute($upd_stmt, array('serial' => $bindserial, 'id' => $domain['id']));
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$zonefile = '$TTL ' . (int)$this->settings['system']['defaultttl'] . "\n";
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if (count($this->nameservers) == 0) {
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$zonefile.= '@ IN SOA ns ' . str_replace('@', '.', $this->settings['panel']['adminmail']) . '. (' . "\n";
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} else {
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$zonefile.= '@ IN SOA ' . $this->nameservers[0]['hostname'] . ' ' . str_replace('@', '.', $this->settings['panel']['adminmail']) . '. (' . "\n";
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}
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$zonefile.= ' ' . $bindserial . ' ; serial' . "\n" . ' 8H ; refresh' . "\n" . ' 2H ; retry' . "\n" . ' 1W ; expiry' . "\n" . ' 11h) ; minimum' . "\n";
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// no nameservers given, use all if the A/AAAA entries
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if (count($this->nameservers) == 0) {
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$zonefile .= '@ IN NS ns' . "\n";
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foreach ($ip_a_records as $ip_a_record) {
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$zonefile .= 'ns IN ' . $ip_a_record . "\n";
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}
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} else {
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foreach ($this->nameservers as $nameserver) {
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$zonefile.= '@ IN NS ' . trim($nameserver['hostname']) . "\n";
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}
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}
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if (count($this->mxservers) == 0) {
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$zonefile.= '@ IN MX 10 mail' . "\n";
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$records[] = 'mail';
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if ($domain['iswildcarddomain'] != '1') {
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$records[] = 'imap';
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$records[] = 'smtp';
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$records[] = 'pop3';
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}
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} else {
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foreach ($this->mxservers as $mxserver) {
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$zonefile.= '@ IN MX ' . trim($mxserver) . "\n";
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}
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if ($this->settings['system']['dns_createmailentry'] == '1') {
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$records[] = 'mail';
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if ($domain['iswildcarddomain'] != '1') {
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$records[] = 'imap';
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$records[] = 'smtp';
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$records[] = 'pop3';
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}
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}
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}
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/*
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* @TODO domain-based spf-settings
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*/
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if ($this->settings['spf']['use_spf'] == '1'
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/*&& $domain['spf'] == '1' */
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) {
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$zonefile.= $this->settings['spf']['spf_entry'] . "\n";
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if (in_array('mail', $records)) {
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$zonefile.= str_replace('@', 'mail', $this->settings['spf']['spf_entry']) . "\n";
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}
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}
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/**
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* generate dkim-zone-entries
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*/
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$zonefile.= $this->generateDkim($domain);
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$nssubdomains_stmt = Database::prepare("
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SELECT `domain` FROM `" . TABLE_PANEL_DOMAINS . "`
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WHERE `isbinddomain` = '1' AND `domain` LIKE :domain
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");
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Database::pexecute($nssubdomains_stmt, array('domain' => '%.' . $domain['domain']));
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while ($nssubdomain = $nssubdomains_stmt->fetch(PDO::FETCH_ASSOC)) {
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if (preg_match('/^[^\.]+\.' . preg_quote($domain['domain'], '/') . '/', $nssubdomain['domain'])) {
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$nssubdomain = str_replace('.' . $domain['domain'], '', $nssubdomain['domain']);
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if (count($this->nameservers) == 0) {
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$zonefile.= $nssubdomain . ' IN NS ns.' . $nssubdomain . "\n";
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} else {
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foreach ($this->nameservers as $nameserver) {
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$zonefile.= $nssubdomain . ' IN NS ' . trim($nameserver['hostname']) . "\n";
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}
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}
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}
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}
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$records[] = '@';
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$records[] = 'www';
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if ($domain['iswildcarddomain'] == '1') {
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$records[] = '*';
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}
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$subdomains_stmt = Database::prepare("
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SELECT `domain` FROM `".TABLE_PANEL_DOMAINS."`
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WHERE `parentdomainid` = :domainid
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");
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Database::pexecute($subdomains_stmt, array('domainid' => $domain['id']));
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while ($subdomain = $subdomains_stmt->fetch(PDO::FETCH_ASSOC)) {
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// Listing domains is enough as there currently is no support for choosing
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// different ips for a subdomain => use same IPs as toplevel
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$records[] = str_replace('.' . $domain['domain'], '', $subdomain['domain']);
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// Check whether to add a www.-prefix
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if ($domain['wwwserveralias'] == '1') {
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$records[] = 'www.'.str_replace('.' . $domain['domain'], '', $subdomain['domain']);
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}
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}
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// Create DNS-Records for every name we have saved
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foreach ($records as $record) {
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// we create an entry for every ip we have saved
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foreach ($ip_a_records as $ip_a_record) {
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$zonefile.= $record . "\tIN\t" . $ip_a_record . "\n";
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}
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}
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return $zonefile;
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}
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private function generateDkim($domain)
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{
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$zone_dkim = '';
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if($this->settings['dkim']['use_dkim'] == '1'
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&& $domain['dkim'] == '1'
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&& $domain['dkim_pubkey'] != '')
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{
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// start
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$dkim_txt = 'v=DKIM1;';
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// algorithm
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$algorithm = explode(',', $this->settings['dkim']['dkim_algorithm']);
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$alg = '';
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foreach ($algorithm as $a) {
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if ($a == 'all') {
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break;
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} else {
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$alg.=$a.':';
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}
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}
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if ($alg != '') {
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$alg = substr($alg, 0, -1);
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$dkim_txt.= 'h='.$alg.';';
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}
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// notes
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if (trim($this->settings['dkim']['dkim_notes'] != '')) {
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$dkim_txt.= 'n='.trim($this->settings['dkim']['dkim_notes']).';';
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}
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// key
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$dkim_txt.= 'k=rsa;p='.trim(preg_replace('/-----BEGIN PUBLIC KEY-----(.+)-----END PUBLIC KEY-----/s', '$1', str_replace("\n", '', $domain['dkim_pubkey']))).';';
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// service-type
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if ($this->settings['dkim']['dkim_servicetype'] == '1') {
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$dkim_txt.= 's=email;';
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}
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// end-part
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$dkim_txt.='t=s';
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// split if necessary
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$txt_record_split='';
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$lbr=50;
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for ($pos=0; $pos<=strlen($dkim_txt)-1; $pos+=$lbr) {
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$txt_record_split.= (($pos==0) ? '("' : "\t\t\t\t\t \"") . substr($dkim_txt, $pos, $lbr) . (($pos>=strlen($dkim_txt)-$lbr) ? '")' : '"' ) ."\n";
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}
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// dkim-entry
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$zone_dkim .= 'dkim_' . $domain['dkim_id'] . '._domainkey IN TXT ' . $txt_record_split;
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// adsp-entry
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if ($this->settings['dkim']['dkim_add_adsp'] == "1") {
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$zone_dkim .= '_adsp._domainkey IN TXT "dkim=';
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switch((int)$this->settings['dkim']['dkim_add_adsppolicy'])
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{
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case 0:
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$zone_dkim .= 'unknown"'. "\n";
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break;
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case 1:
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$zone_dkim .= 'all"'. "\n";
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break;
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case 2:
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$zone_dkim .= 'discardable"'. "\n";
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break;
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}
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}
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}
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return $zone_dkim;
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}
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public function writeDKIMconfigs()
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{
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if($this->settings['dkim']['use_dkim'] == '1')
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{
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if(!file_exists(makeCorrectDir($this->settings['dkim']['dkim_prefix'])))
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{
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$this->logger->logAction(CRON_ACTION, LOG_NOTICE, 'mkdir -p ' . escapeshellarg(makeCorrectDir($this->settings['dkim']['dkim_prefix'])));
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safe_exec('mkdir -p ' . escapeshellarg(makeCorrectDir($this->settings['dkim']['dkim_prefix'])));
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}
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$dkimdomains = '';
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$dkimkeys = '';
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$result_domains_stmt = Database::query("
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SELECT `id`, `domain`, `dkim`, `dkim_id`, `dkim_pubkey`, `dkim_privkey`
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FROM `" . TABLE_PANEL_DOMAINS . "` WHERE `dkim` = '1' ORDER BY `id` ASC
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");
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while ($domain = $result_domains_stmt->fetch(PDO::FETCH_ASSOC)) {
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$privkey_filename = makeCorrectFile($this->settings['dkim']['dkim_prefix'] . '/dkim_' . $domain['dkim_id']);
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$pubkey_filename = makeCorrectFile($this->settings['dkim']['dkim_prefix'] . '/dkim_' . $domain['dkim_id'] . '.public');
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if($domain['dkim_privkey'] == ''
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|| $domain['dkim_pubkey'] == '')
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{
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$max_dkim_id_stmt = Database::query("SELECT MAX(`dkim_id`) as `max_dkim_id` FROM `" . TABLE_PANEL_DOMAINS . "`");
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$max_dkim_id = $max_dkim_id_stmt->fetch(PDO::FETCH_ASSOC);
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$domain['dkim_id'] = (int)$max_dkim_id['max_dkim_id'] + 1;
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$privkey_filename = makeCorrectFile($this->settings['dkim']['dkim_prefix'] . '/dkim_' . $domain['dkim_id']);
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safe_exec('openssl genrsa -out ' . escapeshellarg($privkey_filename) . ' ' . $this->settings['dkim']['dkim_keylength']);
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$domain['dkim_privkey'] = file_get_contents($privkey_filename);
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|
safe_exec("chmod 0640 " . escapeshellarg($privkey_filename));
|
|
$pubkey_filename = makeCorrectFile($this->settings['dkim']['dkim_prefix'] . '/dkim_' . $domain['dkim_id'] . '.public');
|
|
safe_exec('openssl rsa -in ' . escapeshellarg($privkey_filename) . ' -pubout -outform pem -out ' . escapeshellarg($pubkey_filename));
|
|
$domain['dkim_pubkey'] = file_get_contents($pubkey_filename);
|
|
safe_exec("chmod 0664 " . escapeshellarg($pubkey_filename));
|
|
$upd_stmt = Database::prepare("
|
|
UPDATE `" . TABLE_PANEL_DOMAINS . "` SET
|
|
`dkim_id` = :dkimid,
|
|
`dkim_privkey` = :privkey,
|
|
`dkim_pubkey` = :pubkey
|
|
WHERE `id` = :id
|
|
");
|
|
$upd_data = array(
|
|
'dkimid' => $domain['dkim_id'],
|
|
'privkey' => $domain['dkim_privkey'],
|
|
'pubkey' => $domain['dkim_pubkey'],
|
|
'id' => $domain['id']
|
|
);
|
|
Database::pexecute($upd_stmt, $upd_data);
|
|
}
|
|
|
|
if(!file_exists($privkey_filename)
|
|
&& $domain['dkim_privkey'] != '')
|
|
{
|
|
$privkey_file_handler = fopen($privkey_filename, "w");
|
|
fwrite($privkey_file_handler, $domain['dkim_privkey']);
|
|
fclose($privkey_file_handler);
|
|
safe_exec("chmod 0640 " . escapeshellarg($privkey_filename));
|
|
}
|
|
|
|
if(!file_exists($pubkey_filename)
|
|
&& $domain['dkim_pubkey'] != '')
|
|
{
|
|
$pubkey_file_handler = fopen($pubkey_filename, "w");
|
|
fwrite($pubkey_file_handler, $domain['dkim_pubkey']);
|
|
fclose($pubkey_file_handler);
|
|
safe_exec("chmod 0664 " . escapeshellarg($pubkey_filename));
|
|
}
|
|
|
|
$dkimdomains.= $domain['domain'] . "\n";
|
|
$dkimkeys.= "*@" . $domain['domain'] . ":" . $domain['domain'] . ":" . $privkey_filename . "\n";
|
|
}
|
|
|
|
$dkimdomains_filename = makeCorrectFile($this->settings['dkim']['dkim_prefix'] . '/' . $this->settings['dkim']['dkim_domains']);
|
|
$dkimdomains_file_handler = fopen($dkimdomains_filename, "w");
|
|
fwrite($dkimdomains_file_handler, $dkimdomains);
|
|
fclose($dkimdomains_file_handler);
|
|
$dkimkeys_filename = makeCorrectFile($this->settings['dkim']['dkim_prefix'] . '/' . $this->settings['dkim']['dkim_dkimkeys']);
|
|
$dkimkeys_file_handler = fopen($dkimkeys_filename, "w");
|
|
fwrite($dkimkeys_file_handler, $dkimkeys);
|
|
fclose($dkimkeys_file_handler);
|
|
|
|
safe_exec(escapeshellcmd($this->settings['dkim']['dkimrestart_command']));
|
|
fwrite($this->debugHandler, ' cron_tasks: Task4 - Dkim-milter reloaded' . "\n");
|
|
$this->logger->logAction(CRON_ACTION, LOG_INFO, 'Dkim-milter reloaded');
|
|
}
|
|
}
|
|
}
|