#!/bin/bash
n="$(basename $0)"

quit() {
	printf "%s: %s\n" "$n" "$1"
	exit 1
}

usage() {
	printf "UFW Allow Port for WireGuard interface.\n"
	printf "usage: %s <tcp,udp> <XX>\n" "$n"
	exit 0
}

[[ -z $1 && -z $2 ]] && usage
[[ -z $1 ]] && quit "Required Protocol (tcp,udp)"
[[ -z $2 ]] && quit "Required Port Number"

sudo ufw allow in on wg0 proto "$1" to any port "$2"