1#! /bin/sh
2# $Id: ip6tables_init_and_clean.sh,v 1.1 2012/04/24 22:13:41 nanard Exp $
3# Improved Miniupnpd iptables init script.
4# Checks for state of filter before doing anything..
5
6EXTIF=eth0
7IPTABLES=/sbin/ip6tables
8FDIRTY="`LC_ALL=C /sbin/ip6tables -t filter -L -n | grep 'MINIUPNPD' | awk '{printf $1}'`"
9
10if [[ $FDIRTY = "MINIUPNPDChain" ]]; then
11        echo "Filter table dirty; Cleaning..."
12        $IPTABLES -t filter -F MINIUPNPD
13elif [[ $FDIRTY = "Chain" ]]; then
14        echo "Dirty filter chain but no reference..? Fixsted."
15        $IPTABLES -t filter -I FORWARD 4 -i $EXTIF ! -o $EXTIF -j MINIUPNPD
16        $IPTABLES -t filter -F MINIUPNPD
17else
18        echo "Filter table clean..initalizing.."
19        $IPTABLES -t filter -N MINIUPNPD
20        $IPTABLES -t filter -I FORWARD 4 -i $EXTIF ! -o $EXTIF -j MINIUPNPD
21fi
22
23