#!/bin/bash
# Files are included in alphabetical order.
set -e
tmpdir=$(mktemp -d)
if [ ! -d $tmpdir ] ; then
echo "Failed to create tmp directory" >&2
exit 0
fi
tmpfile1="$tmpdir/01_file.nft"
touch $tmpfile1
if [ ! -w $tmpfile1 ] ; then
echo "Failed to create tmp file" >&2
exit 0
fi
tmpfile2="$tmpdir/02_file.nft"
touch $tmpfile2
if [ ! -w $tmpfile2 ] ; then
echo "Failed to create tmp file" >&2
exit 0
fi
tmpfile3=$(mktemp)
if [ ! -w $tmpfile3 ] ; then
echo "Failed to create tmp file" >&2
exit 0
fi
# cleanup if aborted
trap "rm -rf $tmpfile1 $tmpfile2 $tmpfile3 && rmdir $tmpdir" EXIT
# add interdependent rulesets
RULESET1="add table x"
RULESET2="add chain x y"
RULESET3="include \"$tmpdir/*\""
echo "$RULESET1" > $tmpfile1
echo "$RULESET2" > $tmpfile2
echo "$RULESET3" > $tmpfile3
$NFT -f $tmpfile3
if [ $? -ne 0 ] ; then
echo "E: unable to load good ruleset" >&2
exit 1
fi