Files
Froxlor/scripts/jobs/cron_tasks.inc.dns.15.bind.php
2016-05-11 16:11:23 +02:00

215 lines
7.0 KiB
PHP

<?php
if (! defined('MASTER_CRONJOB'))
die('You cannot access this file directly!');
/**
* This file is part of the Froxlor project.
* Copyright (c) 2016 the Froxlor Team (see authors).
*
* For the full copyright and license information, please view the COPYING
* file that was distributed with this source code. You can also view the
* COPYING file online at http://files.froxlor.org/misc/COPYING.txt
*
* @copyright (c) the authors
* @author Froxlor team <team@froxlor.org> (2016-)
* @license GPLv2 http://files.froxlor.org/misc/COPYING.txt
* @package Cron
*
*/
class bind2
{
private $_logger = false;
private $_ns = array();
private $_mx = array();
private $_axfr = array();
public function __construct($logger)
{
$this->_logger = $logger;
if (Settings::Get('system.nameservers') != '') {
$nameservers = explode(',', Settings::Get('system.nameservers'));
foreach ($nameservers as $nameserver) {
$nameserver = trim($nameserver);
// DNS servers might be multi homed; allow transfer from all ip
// addresses of the DNS server
$nameserver_ips = gethostbynamel($nameserver);
// append dot to hostname
if (substr($nameserver, - 1, 1) != '.') {
$nameserver .= '.';
}
// ignore invalid responses
if (! is_array($nameserver_ips)) {
// act like gethostbyname() and return unmodified hostname on error
$nameserver_ips = array(
$nameserver
);
}
$this->_ns[] = array(
'hostname' => $nameserver,
'ips' => $nameserver_ips
);
}
}
if (Settings::Get('system.mxservers') != '') {
$mxservers = explode(',', Settings::Get('system.mxservers'));
foreach ($mxservers as $mxserver) {
if (substr($mxserver, - 1, 1) != '.') {
$mxserver .= '.';
}
$this->_mx[] = $mxserver;
}
}
// AXFR server #100
if (Settings::Get('system.axfrservers') != '') {
$axfrservers = explode(',', Settings::Get('system.axfrservers'));
foreach ($axfrservers as $axfrserver) {
$this->_axfr[] = trim($axfrserver);
}
}
}
public function writeConfigs()
{
// tell the world what we are doing
$this->_logger->logAction(CRON_ACTION, LOG_INFO, 'Task4 started - Rebuilding froxlor_bind.conf');
// clean up
$this->_cleanZonefiles();
// check for subfolder in bind-config-directory
if (! file_exists(makeCorrectDir(Settings::Get('system.bindconf_directory') . '/domains/'))) {
$this->logger->logAction(CRON_ACTION, LOG_NOTICE, 'mkdir ' . escapeshellarg(makeCorrectDir(Settings::Get('system.bindconf_directory') . '/domains/')));
safe_exec('mkdir -p ' . escapeshellarg(makeCorrectDir(Settings::Get('system.bindconf_directory') . '/domains/')));
}
// get all Domains
$result_domains_stmt = Database::query("
SELECT `d`.`id`, `d`.`domain`, `d`.`customerid`, `d`.`zonefile`, `c`.`loginname`, `c`.`guid`
FROM `" . TABLE_PANEL_DOMAINS . "` `d` LEFT JOIN `" . TABLE_PANEL_CUSTOMERS . "` `c` USING(`customerid`)
WHERE `d`.`isbinddomain` = '1' ORDER BY `d`.`domain` ASC
");
$domains = $result_domains_stmt->fetchAll(PDO::FETCH_ASSOC);
// frolxor-hostname (#1090)
if (Settings::get('system.dns_createhostnameentry') == 1) {
$hostname_arr = array(
'id' => 'none',
'domain' => Settings::Get('system.hostname'),
'isemaildomain' => Settings::Get('system.dns_createmailentry'),
'customerid' => 'none',
'loginname' => 'froxlor.panel',
'bindserial' => date('Ymd') . '00',
'dkim' => '0',
'iswildcarddomain' => '1',
'ismainbutsubto' => '0',
'zonefile' => '',
'froxlorhost' => '1'
);
$domains['none'] = $hostname_arr;
}
if (empty($domains)) {
$this->logger->logAction(CRON_ACTION, LOG_INFO, 'No domains found for nameserver-config, skipping...');
return;
}
$bindconf_file = '# ' . Settings::Get('system.bindconf_directory') . 'froxlor_bind.conf' . "\n" . '# Created ' . date('d.m.Y H:i') . "\n" . '# Do NOT manually edit this file, all changes will be deleted after the next domain change at the panel.' . "\n\n";
foreach ($domains as $domain) {
// check for system-hostname
$isFroxlorHostname = false;
if (isset($domain['froxlorhost']) && $domain['froxlorhost'] == 1) {
$isFroxlorHostname = true;
}
// create zone-file
$zonefile = createDomainZone($domain, $isFroxlorHostname);
$domain['zonefile'] = 'domains/' . $domain['domain'] . '.zone';
$zonefile_name = makeCorrectFile(Settings::Get('system.bindconf_directory') . '/' . $domain['zonefile']);
$zonefile_handler = fopen($zonefile_name, 'w');
fwrite($zonefile_handler, $zonefile);
fclose($zonefile_handler);
$this->logger->logAction(CRON_ACTION, LOG_INFO, '`' . $zonefile_name . '` zone written');
// generate config
$bindconf_file .= $this->_generateDomainConfig($domain);
}
// write config
$bindconf_file_handler = fopen(makeCorrectFile(Settings::Get('system.bindconf_directory') . '/froxlor_bind.conf'), 'w');
fwrite($bindconf_file_handler, $bindconf_file);
fclose($bindconf_file_handler);
$this->logger->logAction(CRON_ACTION, LOG_INFO, 'froxlor_bind.conf written');
// reload Bind
safe_exec(escapeshellcmd(Settings::Get('system.bindreload_command')));
$this->logger->logAction(CRON_ACTION, LOG_INFO, 'Bind9 reloaded');
}
private function _generateDomainConfig($domain = array())
{
$bindconf_file = '# Domain ID: ' . $domain['id'] . ' - CustomerID: ' . $domain['customerid'] . ' - CustomerLogin: ' . $domain['loginname'] . "\n";
$bindconf_file .= 'zone "' . $domain['domain'] . '" in {' . "\n";
$bindconf_file .= ' type master;' . "\n";
$bindconf_file .= ' file "' . makeCorrectFile(Settings::Get('system.bindconf_directory') . '/' . $domain['zonefile']) . '";' . "\n";
$bindconf_file .= ' allow-query { any; };' . "\n";
if (count($this->nameservers) > 0 || count($this->axfrservers) > 0) {
// open allow-transfer
$bindconf_file .= ' allow-transfer {' . "\n";
// put nameservers in allow-transfer
if (count($this->nameservers) > 0) {
foreach ($this->nameservers as $ns) {
foreach ($ns["ips"] as $ip) {
$bindconf_file .= ' ' . $ip . ";\n";
}
}
}
// AXFR server #100
if (count($this->axfrservers) > 0) {
foreach ($this->axfrservers as $axfrserver) {
if (validate_ip($axfrserver, true) !== false) {
$bindconf_file .= ' ' . $axfrserver . ';' . "\n";
}
}
}
// close allow-transfer
$bindconf_file .= ' };' . "\n";
}
$bindconf_file .= '};' . "\n";
$bindconf_file .= "\n";
return $bindconf_file;
}
private function _cleanZonefiles()
{
$config_dir = makeCorrectFile(Settings::Get('system.bindconf_directory') . '/domains/');
$this->_logger->logAction(CRON_ACTION, LOG_INFO, 'Cleaning dns zone files from '.$config_dir);
// check directory
if (@is_dir($config_dir)) {
// create directory iterator
$its = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($config_dir));
// iterate through all subdirs, look for zone files and delete them
foreach ($its as $it) {
if ($it->isFile()) {
// remove file
safe_exec('rm -f ' . escapeshellarg(makeCorrectFile($its->getPathname())));
}
}
}
}
}