#!/bin/sh

SYSTEM=`uname`;

if [ "$SYSTEM" = "Linux" ]; then
    if ! grep "pgwtun" /proc/net/dev > /dev/null; then
        ip tuntap add name pgwtun mode tun
    fi
    ip addr del 45.45.0.1/16 dev pgwtun 2> /dev/null
    ip addr add 45.45.0.1/16 dev pgwtun
    ip addr del cafe::1/64 dev pgwtun 2> /dev/null
    ip addr add cafe::1/64 dev pgwtun
    ip link set pgwtun up
else
    ifconfig lo0 alias 127.0.0.2 netmask 255.255.255.255
    ifconfig lo0 alias 127.0.0.3 netmask 255.255.255.255
    ifconfig lo0 alias 127.0.0.4 netmask 255.255.255.255
    ifconfig lo0 alias 127.0.0.5 netmask 255.255.255.255
fi