#!/bin/sh
set -e

batctl meshif ${BATMAN_INTERFACE} interface create
ip link add ${BATMAN_BRIDGE} type bridge
ip link set ${BATMAN_INTERFACE} master ${BATMAN_BRIDGE}
ip link set ${BATMAN_INTERFACE} up
ip link set ${BATMAN_BRIDGE} up

# setup ips
if [ "${BATMAN_BRIDGE_IPV4}" ] ; then
    ip -4 addr add ${BATMAN_BRIDGE_IPV4} dev ${BATMAN_BRIDGE}
fi
if [ "${BATMAN_BRIDGE_IPV6}" ] ; then
    ip -6 addr add ${BATMAN_BRIDGE_IPV6} dev ${BATMAN_BRIDGE}
fi

# mark node as dhcp server
batctl meshif ${BATMAN_INTERFACE} gw server ${BATMAN_LIMIT_DOWNLOAD}Mbit/${BATMAN_LIMIT_UPLOAD}Mbit

# configure routing 
ip rule add iif ${BATMAN_BRIDGE} table ${BATMAN_FORWARD_TABLE}
[ "${BATMAN_FORWARD_GATEWAY4}" ] && \
    ip -4 route add table ${BATMAN_FORWARD_TABLE} default via ${BATMAN_FORWARD_GATEWAY4}
[ "${BATMAN_FORWARD_GATEWAY6}" ] && \
    ip -6 route add table ${BATMAN_FORWARD_TABLE} default via ${BATMAN_FORWARD_GATEWAY6}
nft add rule nat POSTROUTING counter masquerade

while true ; do
    sleep 1
done