Initial revision

1 files changed, 83 insertions, 0 deletions

diff --git a/etc/rc.newwanip b/etc/rc.newwanip
new file mode 100755
index 0000000..5328028
--- /dev/null
+++ b/etc/rc.newwanip
@@ -0,0 +1,83 @@
+#!/usr/local/bin/php -f
+<?php
+/*
+	rc.newwanip
+	part of m0n0wall (http://m0n0.ch/wall)
+	
+	Copyright (C) 2003-2004 Manuel Kasper <mk@neon1.net>.
+	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("config.inc");
+	require_once("functions.inc");
+	
+	/* WAN IP address has changed */
+	
+	/* make sure to wait until the boot scripts have finished 
+	while (file_exists("{$g['varrun_path']}/booting")) {
+		sleep(1);
+	}
+        */
+	
+	$curwanip = get_current_wan_address();
+	
+	/*	dhclient or MPD told us that the IP address has changed;
+		let's see if that's really true to avoid reloading things
+		when it's not really necessary (dhclient likes to
+		execute its dhclient-exit-hooks also on renewals)
+	*/		
+	if (file_exists("{$g['vardb_path']}/wanip")) {
+		$oldwanip = chop(file_get_contents("{$g['vardb_path']}/wanip"));
+		
+		if ($curwanip == $oldwanip)
+			return 0;	/* nothing to do */
+	}
+	
+	/* resync ipfilter */
+	filter_resync();
+	
+	/* flush NAT table */
+	filter_flush_nat_table();
+	
+	/* reconfigure IPsec tunnels */
+	vpn_ipsec_configure(true);
+	
+	/* regenerate resolv.conf if DNS overrides are allowed or the BigPond
+	   client is enabled */
+	if (isset($config['system']['dnsallowoverride']) ||
+			($config['interfaces']['wan']['ipaddr'] == "bigpond"))
+		system_resolvconf_generate(true);
+	
+	/* fire up the BigPond client, if necessary */
+	if ($config['interfaces']['wan']['ipaddr'] == "bigpond")
+		interfaces_wan_bigpond_configure($curwanip);
+	
+	/* write current WAN IP to file */
+	$fd = @fopen("{$g['vardb_path']}/wanip", "w");
+	if ($fd) {
+		fwrite($fd, $curwanip);
+		fclose($fd);
+	}
+?>