#!/sbin/runscript
# Copyright 1999-2004 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/net-firewall/iptables/files/iptables-1.2.9-r1.init,v 1.3 2004/08/18 22:08:21 aliz Exp $

opts="start stop save reload panic"

depend() {
	before net
	need logger
}

checkrules() {
	if [ ! -f ${IPTABLES_SAVE} ]
	then
		eerror "Not starting iptables. First create some rules then run"
		eerror "/etc/init.d/iptables save"
		return 1
	fi
}

start() {
	checkrules || return 1	
	ebegin "Loading iptables state and starting firewall"
	einfo "Restoring iptables ruleset"
		/sbin/iptables-restore ${SAVE_RESTORE_OPTIONS} < ${IPTABLES_SAVE}
	eend $?
}

stop() {
	if [ "${SAVE_ON_STOP}" = "yes" ]; then
		save || return 1
	fi
	ebegin "Stopping firewall"
		for a in `cat /proc/net/ip_tables_names`; do
			/sbin/iptables -F -t $a
			/sbin/iptables -X -t $a
	
			if [ $a == nat ]; then
				/sbin/iptables -t nat -P PREROUTING ACCEPT
				/sbin/iptables -t nat -P POSTROUTING ACCEPT
				/sbin/iptables -t nat -P OUTPUT ACCEPT
			elif [ $a == mangle ]; then
				/sbin/iptables -t mangle -P PREROUTING ACCEPT
				/sbin/iptables -t mangle -P INPUT ACCEPT
				/sbin/iptables -t mangle -P FORWARD ACCEPT
				/sbin/iptables -t mangle -P OUTPUT ACCEPT
				/sbin/iptables -t mangle -P POSTROUTING ACCEPT
			elif [ $a == filter ]; then
				/sbin/iptables -t filter -P INPUT ACCEPT
				/sbin/iptables -t filter -P FORWARD ACCEPT
				/sbin/iptables -t filter -P OUTPUT ACCEPT
			fi
		done
	eend $?
}

reload() {
	ebegin "Flushing firewall"
		for a in `cat /proc/net/ip_tables_names`; do
			/sbin/iptables -F -t $a
			/sbin/iptables -X -t $a
		done;
        eend $?

	start
}

save() {
        ebegin "Saving iptables state"
        /sbin/iptables-save ${SAVE_RESTORE_OPTIONS} > ${IPTABLES_SAVE}
        eend $?
}

panic() {
	svc_stop
	ebegin "dropping EVERYTHNG!"
	for a in `cat /proc/net/ip_tables_names`; do
		/sbin/iptables -F -t $a
		/sbin/iptables -X -t $a
		if [ $a == nat ]; then
			/sbin/iptables -t nat -P PREROUTING DROP
			/sbin/iptables -t nat -P POSTROUTING DROP
			/sbin/iptables -t nat -P OUTPUT DROP
		elif [ $a == mangle ]; then
  	  /sbin/iptables -t mangle -P PREROUTING DROP
  	  /sbin/iptables -t mangle -P INPUT DROP
  	  /sbin/iptables -t mangle -P FORWARD DROP
  	  /sbin/iptables -t mangle -P OUTPUT DROP
	    /sbin/iptables -t mangle -P POSTROUTING DROP
  	elif [ $a == filter ]; then
			/sbin/iptables -t filter -P INPUT DROP
	    /sbin/iptables -t filter -P FORWARD DROP
    	/sbin/iptables -t filter -P OUTPUT DROP
		fi
	done
	eend $?
}