#!/usr/local/bin/php-cgi -f
<?php
/*
 * rc.newipsecdns
 *
 * part of pfSense (https://www.pfsense.org)
 * Copyright (c) 2009 Seth Mos <seth.mos@dds.nl>.
 * Copyright (c) 2004-2016 Rubicon Communications, LLC (Netgate)
 * All rights reserved.
 *
 * Originally part of m0n0wall (http://m0n0.ch/wall)
 * Copyright (c) 2007 Manuel Kasper <mk@neon1.net>.
 * All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

require_once("util.inc");
require_once("globals.inc");

/* make sure to wait until the boot scripts have finished */
if (file_exists("{$g['varrun_path']}/booting")) {
	return;
}

$ipseclck_pending = try_lock('ipsecdns_pending', 0);
if (!$ipseclck_pending) {
	/* if a vpn_ipsec_configure() is still pending no need to stack up another one */
	return;
}

/* parse the configuration and include all functions used below */
require_once("config.inc");
require_once("gwlb.inc");
require_once("functions.inc");
require_once("filter.inc");
require_once("shaper.inc");
require_once("auth.inc");
require_once("ipsec.inc");
require_once("vpn.inc");

if (!ipsec_enabled()) {
	unlock($ipseclck_pending);
	return;
}

$ipseclck = lock('ipsecdns', LOCK_EX);
sleep(12);
unlock($ipseclck_pending);
sleep(3);
log_error("IPSEC: One or more IPsec tunnel endpoints has changed its IP. Refreshing.");

/* make sure we have the latest configuration changes loaded. */
$config = parse_config();

vpn_ipsec_configure();

unlock($ipseclck);