#!/bin/bash

echo "=== $0" 

set -a
. /etc/vdn/config
set +a

# init slirp connection

#lastEth=$(ifconfig -a | grep eth[0-9] | tail -n 1 | cut -d ':' -f 1)
echo "Wait for network devices."

NB_ETH=`echo $NETWORKS | wc -w`

while :; do
	lastEth=$(ip addr | grep : | grep eth[0-9] | cut -d ':' -f 2 | tail -n 1 | tr -d ' ')
	[ -n "$lastEth" -a "$lastEth" = eth$NB_ETH ] && break
	sleep 1
done

# Set DNS
echo "nameserver 10.0.2.3" > /etc/resolv.conf

# VDN resolver
if [ "$VDN_RESOLV" = 1 ]; then
	sed -i -re 's/^(hosts:[[:space:]]+).*$/\1files dns vdn/' /etc/nsswitch.conf
	cp /etc/vdn/libnss_vdn.so /lib/x86_64-linux-gnu/libnss_vdn.so.2.0.0
    ln -sf libnss_vdn.so.2.0.0 /lib/x86_64-linux-gnu/libnss_vdn.so.2
else
	rm -f /lib/x86_64-linux-gnu/libnss_vdn.so.2
fi

# Extra eth (and extra default route)

[ -n "$lastEth" ] && {
	ip link set $lastEth down
	ip addr flush $lastEth
	ip addr add 10.0.2.15/24 dev $lastEth
	ip link set $lastEth up

	ip route	

    if [ "$EXTRA_ETH_DEFAULT_ROUTE" = 1 ]; then
        # Set default root to host (slirp)
        #route add default gw 10.0.2.2 &> /dev/null
		ip route add default via 10.0.2.2
    fi
    ping -c 1 10.0.2.2 &> /dev/null

	# Firewall

	[ -x /etc/firewall.sh ] && /etc/firewall.sh
}