#!/bin/bash

set -e

tmpdir=$(mktemp -d)

if [ ! -d $tmpdir ] ; then

        echo "Failed to create tmp directory" >&2

        exit 0

fi

tmpfile1=$(mktemp -p $tmpdir)

if [ ! -w $tmpfile1 ] ; then

        echo "Failed to create tmp file" >&2

        exit 0

fi

tmpfile2=$(mktemp)

if [ ! -w $tmpfile2 ] ; then

        echo "Failed to create tmp file" >&2

        exit 0

fi

# cleanup if aborted

trap "rm -rf $tmpfile1 $tmpfile2 && rmdir $tmpdir" EXIT

RULESET1="add table x"

RULESET2="include \"$tmpdir/*\""

echo "$RULESET1" > $tmpfile1

echo "$RULESET2" > $tmpfile2

$NFT -f $tmpfile2

if [ $? -ne 0 ] ; then

        echo "E: unable to load good ruleset" >&2

        exit 1

fi