#!/bin/bash
case "$1" in
  start)
        tunctl -d tap0
	tunctl -u trancefer -t tap0
	tunctl -d tap1
	tunctl -u trancefer -t tap1

	ifconfig tap0 10.1.0.17 netmask 255.255.255.252 broadcast 10.1.0.19 up
	route add -host 10.1.0.18 dev tap0
	echo 1 > /proc/sys/net/ipv4/conf/tap0/proxy_arp
	arp -Ds 10.1.0.18 eth0 pub

	ifconfig tap1 10.1.1.17 netmask 255.255.255.252 broadcast 10.1.1.19 up
	route add -host 10.1.1.18 dev tap1
	echo 1 > /proc/sys/net/ipv4/conf/tap1/proxy_arp
	arp -Ds 10.1.1.18 eth0 pub

	tunctl -d tap2
	tunctl -u blackdance -t tap2
	tunctl -d tap3
	tunctl -u blackdance -t tap3

	ifconfig tap2 10.1.0.5 netmask 255.255.255.252 broadcast 10.1.0.7 up
	route add -host 10.1.0.6 dev tap2
	echo 1 > /proc/sys/net/ipv4/conf/tap2/proxy_arp
	arp -Ds 10.1.0.6 eth0 pub

	ifconfig tap3 10.1.1.5 netmask 255.255.255.252 broadcast 10.1.1.7 up
	route add -host 10.1.1.6 dev tap3
	echo 1 > /proc/sys/net/ipv4/conf/tap3/proxy_arp
	arp -Ds 10.1.1.6 eth0 pub

        tunctl -d tap4
        tunctl -u mirage -t tap4
        tunctl -d tap5
        tunctl -u mirage -t tap5

        ifconfig tap4 10.1.0.13 netmask 255.255.255.252 broadcast 10.1.0.15 up
        route add -host 10.1.0.14 dev tap4
        echo 1 > /proc/sys/net/ipv4/conf/tap4/proxy_arp
        arp -Ds 10.1.0.14 eth0 pub

        ifconfig tap5 10.1.1.13 netmask 255.255.255.252 broadcast 10.1.1.15 up
        route add -host 10.1.1.14 dev tap5
        echo 1 > /proc/sys/net/ipv4/conf/tap5/proxy_arp
        arp -Ds 10.1.1.14 eth0 pub


	;;
  stop)
	route del -host 10.1.0.18 dev tap0
        route del -host 10.1.1.18 dev tap1
        route del -host 10.1.0.6  dev tap2
        route del -host 10.1.1.6  dev tap3
        route del -host 10.1.0.14 dev tap4
        route del -host 10.1.1.14 dev tap5

        tunctl -d tap0
        tunctl -d tap1
        tunctl -d tap2
        tunctl -d tap3
        tunctl -d tap4
        tunctl -d tap5

	;;
  *)
        N=/opt/uml/bin/settap
        echo "Usage: $N {start|stop}" >&2
        exit 1
        ;;
esac

exit 0