#!/bin/sh

set -e

echo "Setup default route"
default_route_ip=$(ip route | grep default | awk '{print $3}')
if [[ -z "$default_route_ip" ]]; then
	echo "No default route configured" >&2
	exit 1
fi
echo "Default route $default_route_tp"

echo "Check sysctl"
if [[ "$(cat /proc/sys/net/ipv4/conf/all/src_valid_mark)" != "1" ]]; then
	echo "sysctl net.ipv4.conf.all.src_valid_mark=1 is not set" >&2
	exit 1
fi

/usr/bin/goxray "$URL" & \
echo "runned"

# Allow traffic to local subnets
for local_subnet in ${LOCAL_SUBNETS//,/$IFS}
do
	echo "Allowing traffic to local subnet ${local_subnet}" >&2
	ip route add $local_subnet via $default_route_ip
	iptables -I OUTPUT -d $local_subnet -j ACCEPT
done

shutdown () {
	killall goxray
	exit 0
}

trap shutdown SIGTERM SIGINT SIGQUIT

sleep infinity &
wait $!