Files
Froxlor/scripts/classes/class.DnsBase.php

257 lines
9.1 KiB
PHP

<?php
/**
* 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 DnsBase
*
* Base class for all DNS server configs
*/
abstract class DnsBase
{
protected $_logger = false;
protected $_ns = array();
protected $_mx = array();
protected $_axfr = array();
abstract public function writeConfigs();
public function __construct($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);
}
}
}
protected function getDomainList()
{
$result_domains_stmt = Database::query("
SELECT
`d`.`id`,
`d`.`domain`,
`d`.`isemaildomain`,
`d`.`iswildcarddomain`,
`d`.`wwwserveralias`,
`d`.`customerid`,
`d`.`zonefile`,
`d`.`bindserial`,
`d`.`dkim`,
`d`.`dkim_id`,
`d`.`dkim_pubkey`,
`d`.`ismainbutsubto`,
`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
");
$domains = array();
// don't use fetchall() to be able to set the first column to the domain id and use it later on to set the rows'
// array of direct children without having to search the outer array
while ($domain = $result_domains_stmt->fetch(PDO::FETCH_ASSOC)) {
$domains[$domain["id"]] = $domain;
}
// frolxor-hostname (#1090)
if (Settings::get('system.dns_createhostnameentry') == 1) {
$hostname_arr = array(
'id' => 'none',
'domain' => Settings::Get('system.hostname'),
'isbinddomain' => '1',
'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)) {
return null;
}
// collect domain IDs of direct child domains as arrays in ['children'] column
foreach (array_keys($domains) as $key) {
if (! isset($domains[$key]['children'])) {
$domains[$key]['children'] = array();
}
if ($domains[$key]['ismainbutsubto'] > 0) {
if (isset($domains[$domains[$key]['ismainbutsubto']])) {
$domains[$domains[$key]['ismainbutsubto']]['children'][] = $domains[$key]['id'];
} else {
$this->_logger->logAction(CRON_ACTION, LOG_ERR, 'Database inconsistency: domain ' . $domain['domain'] . ' (ID #' . $key . ') is set to to be subdomain to non-existent domain ID #' . $domains[$key]['ismainbutsubto'] . '. No DNS record(s) will be created for this domain.');
}
}
}
$this->_logger->logAction(CRON_ACTION, LOG_DEBUG, str_pad('domId', 9, ' ') . str_pad('domain', 40, ' ') . 'ismainbutsubto ' . str_pad('parent domain', 40, ' ') . "list of child domain ids");
foreach ($domains as $domain) {
$logLine = str_pad($domain['id'], 9, ' ') . str_pad($domain['domain'], 40, ' ') . str_pad($domain['ismainbutsubto'], 15, ' ') . str_pad(((isset($domains[$domain['ismainbutsubto']])) ? $domains[$domain['ismainbutsubto']]['domain'] : '-'), 40, ' ') . join(', ', $domain['children']);
$this->_logger->logAction(CRON_ACTION, LOG_DEBUG, $logLine);
}
return $domains;
}
public function reloadDaemon()
{
// reload DNS daemon
$cmd = Settings::Get('system.bindreload_command');
$cmdStatus = 1;
safe_exec(escapeshellcmd($cmd), $cmdStatus);
if ($cmdStatus === 0) {
$this->_logger->logAction(CRON_ACTION, LOG_INFO, Settings::Get('system.dns_server') . ' daemon reloaded');
} else {
$this->_logger->logAction(CRON_ACTION, LOG_ERR, 'Error while running `' . $cmd . '`: exit code (' . $cmdStatus . ') - please check your system logs');
}
}
public function writeDKIMconfigs()
{
if (Settings::Get('dkim.use_dkim') == '1') {
if (! file_exists(makeCorrectDir(Settings::Get('dkim.dkim_prefix')))) {
$this->_logger->logAction(CRON_ACTION, LOG_NOTICE, 'mkdir -p ' . escapeshellarg(makeCorrectDir(Settings::Get('dkim.dkim_prefix'))));
safe_exec('mkdir -p ' . escapeshellarg(makeCorrectDir(Settings::Get('dkim.dkim_prefix'))));
}
$dkimdomains = '';
$dkimkeys = '';
$result_domains_stmt = Database::query("
SELECT `id`, `domain`, `dkim`, `dkim_id`, `dkim_pubkey`, `dkim_privkey`
FROM `" . TABLE_PANEL_DOMAINS . "` WHERE `dkim` = '1' ORDER BY `id` ASC
");
while ($domain = $result_domains_stmt->fetch(PDO::FETCH_ASSOC)) {
$privkey_filename = makeCorrectFile(Settings::Get('dkim.dkim_prefix') . '/dkim_' . $domain['dkim_id']);
$pubkey_filename = makeCorrectFile(Settings::Get('dkim.dkim_prefix') . '/dkim_' . $domain['dkim_id'] . '.public');
if ($domain['dkim_privkey'] == '' || $domain['dkim_pubkey'] == '') {
$max_dkim_id_stmt = Database::query("SELECT MAX(`dkim_id`) as `max_dkim_id` FROM `" . TABLE_PANEL_DOMAINS . "`");
$max_dkim_id = $max_dkim_id_stmt->fetch(PDO::FETCH_ASSOC);
$domain['dkim_id'] = (int) $max_dkim_id['max_dkim_id'] + 1;
$privkey_filename = makeCorrectFile(Settings::Get('dkim.dkim_prefix') . '/dkim_' . $domain['dkim_id']);
safe_exec('openssl genrsa -out ' . escapeshellarg($privkey_filename) . ' ' . Settings::Get('dkim.dkim_keylength'));
$domain['dkim_privkey'] = file_get_contents($privkey_filename);
safe_exec("chmod 0640 " . escapeshellarg($privkey_filename));
$pubkey_filename = makeCorrectFile(Settings::Get('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 0644 " . escapeshellarg($pubkey_filename));
}
$dkimdomains .= $domain['domain'] . "\n";
$dkimkeys .= "*@" . $domain['domain'] . ":" . $domain['domain'] . ":" . $privkey_filename . "\n";
}
$dkimdomains_filename = makeCorrectFile(Settings::Get('dkim.dkim_prefix') . '/' . Settings::Get('dkim.dkim_domains'));
$dkimdomains_file_handler = fopen($dkimdomains_filename, "w");
fwrite($dkimdomains_file_handler, $dkimdomains);
fclose($dkimdomains_file_handler);
$dkimkeys_filename = makeCorrectFile(Settings::Get('dkim.dkim_prefix') . '/' . Settings::Get('dkim.dkim_dkimkeys'));
$dkimkeys_file_handler = fopen($dkimkeys_filename, "w");
fwrite($dkimkeys_file_handler, $dkimkeys);
fclose($dkimkeys_file_handler);
safe_exec(escapeshellcmd(Settings::Get('dkim.dkimrestart_command')));
$this->_logger->logAction(CRON_ACTION, LOG_INFO, 'Dkim-milter reloaded');
}
}
}