pfSense

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

require_once("util.inc");

require_once("config.inc");

require_once("gwlb.inc");

require_once("functions.inc");

require_once("filter.inc");	

require_once("shaper.inc");	

require_once("ipsec.inc");

require_once("vpn.inc");

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

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

	return;

if (isset($config['ipsec']['enable']))

	log_error("IPSEC: One or more IPsec tunnel endpoints has changed its IP. Refreshing.");

else

	return;

$ipseclck = lock('ipsecdns', LOCK_EX);

/* We will walk the list of hostnames found in the ipsec tunnel

 * 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.

 */

vpn_ipsec_refresh_policies();

vpn_ipsec_configure();

unlock($ipseclck);