Files
Froxlor/scripts/jobs/cron_tasks.inc.dns.15.bind.php
Michael Kaufmann (d00p) 68d579b629 add SPF and DKIM stuff to DNS
Signed-off-by: Michael Kaufmann (d00p) <d00p@froxlor.org>
2016-05-12 09:36:33 +02:00

298 lines
11 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
$this->_logger->logAction(CRON_ACTION, LOG_DEBUG, 'Generating dns zone for ' . $domain['domain']);
$zonefile = createDomainZone($domain['id'], $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');
}
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 0664 " . 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')));
$this->_logger->logAction(CRON_ACTION, LOG_INFO, 'Dkim-milter reloaded');
}
}
private function _generateDomainConfig($domain = array())
{
$this->_logger->logAction(CRON_ACTION, LOG_DEBUG, 'Generating dns config for ' . $domain['domain']);
$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->_ns) > 0 || count($this->_axfr) > 0) {
// open allow-transfer
$bindconf_file .= ' allow-transfer {' . "\n";
// put nameservers in allow-transfer
if (count($this->_ns) > 0) {
foreach ($this->_ns as $ns) {
foreach ($ns["ips"] as $ip) {
$bindconf_file .= ' ' . $ip . ";\n";
}
}
}
// AXFR server #100
if (count($this->_axfr) > 0) {
foreach ($this->_axfr 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())));
}
}
}
}
}