#!/bin/env bash

# A POSIX variable
OPTIND=1         # Reset in case getopts has been used previously in the shell.

# Initialize our own variables:
wg_interface=""

while getopts "h?i:" opt; do
  case "$opt" in
    h|\?)
      #show_help
      echo "Usage: isolate.sh -i <wg_interface>"
      exit 0
      ;;
    i)  wg_interface=$OPTARG
      ;;
  esac
done

shift $((OPTIND-1))

[ "${1:-}" = "--" ] && shift


set -x
iptables -I FORWARD -i $wg_interface -o $wg_interface -j DROP
set +x