#!/bin/bash
#
# This scripts sets the forwarding rules for VMWare
#
# We assume that we have VMWare set up with NAT and
# have given the following IP addresses:
#
# Physical Network Adapter: PN=192.168.1.xxx
# VMWare   Network Adapter: VN=192.168.2.xxx
#
ä We do not know exactly which Interface and which
# IP address we have for the physical network - so
# we have to find these out first.
#

PN=192.168.1
VN=192.168.2

IP=`ifconfig | grep -e "inet.\+:$PN.[^d]*\S" | sed "s/.*\($PN.*\?\) Bcast.*/\1/1"`
IF=`for i in eth0 eth1 ; do ifconfig $i | grep $IP >/dev/null && echo $i ; done`

sudo /sbin/iptables --flush
sudo /sbin/iptables -t nat --flush
sudo /sbin/iptables -t nat -P PREROUTING ACCEPT
sudo /sbin/iptables -t nat -P POSTROUTING ACCEPT
sudo /sbin/iptables -P FORWARD ACCEPT
sudo /sbin/iptables -P OUTPUT ACCEPT
sudo /sbin/iptables -P INPUT ACCEPT
echo sudo /sbin/iptables -t nat -A POSTROUTING -s $VN.0/24 -o $IF -j SNAT --to $IP
echo 1 | sudo tee /proc/sys/net/ipv4/ip_forward >/dev/null

/usr/bin/vmware