#!/bin/bash

IF_NAME="xfrm-"
IF_NAME_IN="${IF_NAME}${PLUTO_IF_ID_IN}-in"
IF_NAME_OUT="${IF_NAME}${PLUTO_IF_ID_OUT}-out"

case "${PLUTO_VERB}" in
    up-client)
        /usr/local/libexec/ipsec/xfrmi -n "${IF_NAME_OUT}" -i "${PLUTO_IF_ID_OUT}" -d eth0
        /usr/local/libexec/ipsec/xfrmi -n "${IF_NAME_IN}" -i "${PLUTO_IF_ID_IN}" -d eth0
        ip link set "${IF_NAME_OUT}" up
        ip link set "${IF_NAME_IN}" up
        ip route add 10.1.0.0/16 dev "${IF_NAME_OUT}"
        iptables -A FORWARD -o "${IF_NAME_OUT}" -j ACCEPT
        iptables -A FORWARD -i "${IF_NAME_IN}" -j ACCEPT
        ;;
    down-client)
        iptables -D FORWARD -o "${IF_NAME_OUT}" -j ACCEPT
        iptables -D FORWARD -i "${IF_NAME_IN}" -j ACCEPT
        ip link del "${IF_NAME_OUT}"
        ip link del "${IF_NAME_IN}"
        ;;
esac