pfSense

#!/usr/local/bin/php -f

<?php

/*

	Copyright (C) 2013 Renato Botelho <garga@pfsense.org>.

	All rights reserved.

	Redistribution and use in source and binary forms, with or without

	modification, are permitted provided that the following conditions are met:

	1. Redistributions of source code must retain the above copyright notice,

	   this list of conditions and the following disclaimer.

	2. Redistributions in binary form must reproduce the above copyright

	   notice, this list of conditions and the following disclaimer in the

	   documentation and/or other materials provided with the distribution.

	THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,

	INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY

	AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE

	AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,

	OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

	SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

	INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

	CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

	ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

	POSSIBILITY OF SUCH DAMAGE.

*/

/* parse the configuration and include all functions used below */

require_once("util.inc");

require_once("config.inc");

require_once("functions.inc");

require_once("system.inc");

/* make sure to wait until the boot scripts have finished */

if (file_exists("{$g['varrun_path']}/booting"))

	return;

$staticroutes = get_staticroutes();

if (count($staticroutes))

	log_error("Static Routes: One or more aliases used for routing has changed its IP. Refreshing.");

else

	return;

$routelck = lock('routedns', LOCK_EX);

/* We will walk the list of hostnames found in static routes

 * configuration. Since we are already triggered by filterdns

 * that a hostname has changed we can proceed to compare the 

 * new IP address with the old address from the DNS cache.

 */

system_staticroutes_configure();

unlock($routelck);

?>