#!/bin/sh
#

net1=192.168.1.0
net2=192.168.4.0
gw1=192.168.2.103
gw2=192.168.2.110
hmask=255.255.255.255
nmask=255.255.255.0

depmod -a
modprobe ipsec

tncfg attach ipsec0 eth1
ifconfig ipsec0 $gw1 

#
# Transport mode
#
#route del $gw2
#route add -net $gw2 dev ipsec0
#
#addrt $gw1 $hmask \
#	$gw $hmask \
#	$gw 135
#setsa $gw 135 esp 3des-md5-96 i \
#	1000000000000001 6630663066303133
#setsa $gw1 125 esp 3des-md5-96 r \
#	1000000000000001 6630663066303132

#
# Tunnel mode
#
route del $net2
route add -net $net2 dev ipsec0 gw $gw2
#
# forward path
#
#addrt $net1 $nmask \
#	$net2 $nmask \
#	$gw2 213
echo sleeping after addrt
sleep 1
#
setsa $gw2 213 ip4 \
	$gw1 $gw2
setsa $gw2 215 esp des-cbc 66306630 6630663066303143
setsa $gw2 216 ah md5 66306630663031326630663066303143
#
spigrp $gw2 213 \
	$gw2 215 \
	$gw2 216
#
# return path
#
setsa $gw1 205 esp des-cbc 66306630 6630663066303142
setsa $gw1 206 ah md5 66306630663031326630663066303142

cat /proc/net/ipsec-spi
echo
cat /proc/net/ipsec-route