#!/bin/bash

RET=0
tmpfile=""
set -x


clean_tmpfile()
{
        if [ ! -z "$tmpfile" ];then
                rm -f "$tmpfile"
        fi
}

trap clean_tmpfile EXIT

do_diff()
{
	A="$1"
	B="$2"

	AT=$(mktemp)
	grep -v "^#" "$A" > "$AT"

	diff -u "$AT" "$B"

	x=$?
	rm -f "$AT"
	echo "Return $x for $XT_MULTI $A"

	return $x
}

tmpfile=$(mktemp) || exit 1
do_simple()
{
	iptables="$1"
	dumpfile="$2"

	$XT_MULTI ${iptables}-restore < "$dumpfile"
	$XT_MULTI ${iptables}-save | grep -v "^#" > "$tmpfile"
	do_diff $dumpfile "$tmpfile"
	if [ $? -ne 0 ]; then
		# cp "$tmpfile" "$dumpfile.got"
		RET=1
	fi
}

do_simple "iptables" $(dirname "$0")/dumps/ipt-save-filter.txt
do_simple "iptables" $(dirname "$0")/dumps/policy-drop.txt
do_simple "iptables" $(dirname "$0")/dumps/wireless.txt

exit $RET