36 lines
1.1 KiB
Bash
Executable file
36 lines
1.1 KiB
Bash
Executable file
#!/bin/bash
|
|
|
|
set -e
|
|
|
|
configs=`find /etc/wireguard -type f -printf "%f\n"`
|
|
if [[ -z "$configs" ]]; then
|
|
echo "No configuration files found in /etc/wireguard" >&2
|
|
exit 1
|
|
fi
|
|
|
|
config=`echo $configs | head -n 1`
|
|
interface="${config%.*}"
|
|
|
|
wg-quick up $interface
|
|
|
|
docker_network="$(ip -o addr show dev eth0 | awk '$3 == "inet" {print $4}')"
|
|
docker_network_rule=$([ ! -z "$docker_network" ] && echo "! -d $docker_network" || echo "")
|
|
iptables -I OUTPUT ! -o $interface -m mark ! --mark $(wg show $interface fwmark) -m addrtype ! --dst-type LOCAL $docker_network_rule -j REJECT
|
|
|
|
docker6_network="$(ip -o addr show dev eth0 | awk '$3 == "inet6" {print $4}')"
|
|
if [[ -z "$docker6_network" ]]; then
|
|
echo "Skipping ipv6 killswitch setup since ipv6 interface was not found..." >&2
|
|
else
|
|
docker6_network_rule=$([ ! -z "$docker6_network" ] && echo "! -d $docker6_network" || echo "")
|
|
ip6tables -I OUTPUT ! -o $interface -m mark ! --mark $(wg show $interface fwmark) -m addrtype ! --dst-type LOCAL $docker6_network_rule -j REJECT
|
|
fi
|
|
|
|
shutdown () {
|
|
wg-quick down $interface
|
|
exit 0
|
|
}
|
|
|
|
trap shutdown SIGTERM SIGINT SIGQUIT
|
|
|
|
sleep infinity &
|
|
wait $!
|