#!/bin/sh

# BEGIN CONFIGURATION
CLIENTIPV4=74.63.197.232
SERVERIPV4=74.63.197.226
CLIENTIPV6=2001:470:b868:8455
IPV6HOSTCOUNT=25
# END CONFIGURATION

ACTION=""

if [ "$*" == "add" ]; then
        ACTION="add"
else
        ACTION="del"
fi

/sbin/ip tunnel ${ACTION} sit1 mode sit ttl 255 remote ${SERVERIPV4} local ${CLIENTIPV4}

if [ "${ACTION}" == "add" ]; then
        /sbin/ip link set dev sit1 up

        COUNTER=1
        while [  $COUNTER -lt ${IPV6HOSTCOUNT} ]; do
                /sbin/ip -6 addr add ${CLIENTIPV6}:0:0:0:${COUNTER}/64 dev sit1
                let COUNTER=COUNTER+1
        done

        COUNTER=0
        COUNTER_1=1337
        IPV6HOSTCOUNT=3
        while [ $COUNTER -lt ${IPV6HOSTCOUNT} ]; do
                /sbin/ip -6 addr add ${CLIENTIPV6}:0:0:${COUNTER_1}:${COUNTER}/64 dev sit1
                let COUNTER=COUNTER+1
        done

        ip -6 addr add 2001:470:b868:8455::1337/64 dev sit1
        ip -6 addr add 2001:470:b868:8455:1000::0/64 dev sit1

        # for gefickt
        ip -6 addr add 2001:470:b868:8455::6000:6000/64 dev sit1

        # for jobe
        ip -6 addr add 2001:470:b868:8455::6a6f:6265/64 dev sit1


        /sbin/ip -6 route add ::/0 dev sit1
        /sbin/ip -6 route add 2000::/3 dev sit1
        /sbin/ip -6 route show
fi