#!/bin/sh
#
# set-mtu
#
# Copyright 2005, Stichting Wireleess Leiden, All rights reserved.
# See http://www.wirelessleiden.nl/LICENSE for licensing information.
#
# Lowers the MTU and sets up separate routing to Wireless Leiden
#
# Typically lives in  /System/Library/SystemConfiguration/Kicker.bundle/Contents/Resources/
#

. /etc/hostconfig
ME=set-mtu

if ifconfig | grep -q ppp0 && ifconfig ppp0 | grep -q 80.100.36 
then
	ifconfig ppp0 mtu 1350 &&\
		logger -i -p daemon.notice -t ${ME} set MTU to 1350 for WL/HCC

	GW=`netstat -nr -f inet | grep UHLW | awk '{ print $1 }'`
	route -q delete 172.16.0.0/12
	route -q add 172.16.0.0/12 $GW &&\
		logger -i -p daemon.notice -t ${ME} Added route to WLeiden which bypasses the PPTP vpn to the internet.
else
	netstat -nr -f inet | grep -q 172.16/12 &&\
		route -q delete 172.16.0.0/12 &&\
		logger -i -p daemon.notice -t ${ME} Removed WLeiden route.

	logger -i -p daemon.notice -t ${ME} MTU left untouched.
fi
exit 0