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#!/bin/bash
set -e
tmpfile=$(mktemp)
if [ ! -w $tmpfile ] ; then
echo "Failed to create tmp file" >&2
exit 0
fi
tmpdir1=$(mktemp -d)
if [ ! -d $tmpdir1 ] ; then
echo "Failed to create tmp directory" >&2
exit 0
fi
tmpdir2=$(mktemp -d)
if [ ! -d $tmpdir2 ] ; then
echo "Failed to create tmp directory" >&2
exit 0
fi
tmpfile1=$(mktemp -p $tmpdir1)
if [ ! -w $tmpfile1 ] ; then
echo "Failed to create tmp file" >&2
exit 0
fi
tmpfile2=$(mktemp -p $tmpdir2)
if [ ! -w $tmpfile2 ] ; then
echo "Failed to create tmp file" >&2
exit 0
fi
trap "rm -rf $tmpdfile $tmpfile1 $tmpfile2 && rmdir $tmpdir1 && rmdir $tmpdir2" EXIT # cleanup if aborted
RULESET1="add table x"
RULESET2="add chain x y"
RULESET3=" \
include \"$(basename $tmpfile1)\"
include \"$(basename $tmpfile2)\"
"
echo "$RULESET1" > $tmpfile1
echo "$RULESET2" > $tmpfile2
echo "$RULESET3" > $tmpfile
$NFT -I $tmpdir1 -I $tmpdir2 -f $tmpfile
if [ $? -ne 0 ] ; then
echo "E: unable to load good ruleset" >&2
exit 1
fi
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