#!/sbin/runscript
# Copyright 1999-2015 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$

description='The Shoreline Firewall, more commonly known as "Shorewall", is'
description="${description} a high-level tool for configuring Netfilter."

extra_commands="check clear"
extra_started_commands="refresh reset"

description_check="Checks if the configuration will compile or not."

description_clear="Clear will remove all rules and chains installed by"
description_clear="${description_clear} Shorewall. The firewall is then"
description_clear="${description_clear} wide open and unprotected."

description_refresh="The mangle table will be refreshed along with the"
description_refresh="${description_refresh} blacklist chain (if any)."

description_reset="All the packet and byte counters in the firewall are reset."

command="/usr/sbin/shorewall"

depend() {
	provide firewall
	after ulogd
}

status() {
	local _retval
	${command} status 1>/dev/null
	_retval=$?
	if [ ${_retval} = '0' ]; then
		einfo 'status: started'
		mark_service_started "${SVCNAME}"
		return 0
	else
		einfo 'status: stopped'	
		mark_service_stopped "${SVCNAME}"
		return 3
	fi
}

start() {
	ebegin "Starting shorewall"
	${command} ${OPTIONS} start ${STARTOPTIONS} 1>/dev/null
	eend $? 
}

stop() {
	ebegin "Stopping shorewall"
	${command} ${OPTIONS} stop ${STOPOPTIONS} 1>/dev/null
	eend $?
}

restart() {
	ebegin "Restarting shorewall"
	${command} status 1>/dev/null
	if [ $? != 0 ] ; then
		svc_start
	else
		${command} ${OPTIONS} restart ${RESTARTOPTIONS} 1>/dev/null
	fi
	eend $?
}

clear() {
	ebegin "Clearing all shorewall rules and setting policy to ACCEPT"
	${command} ${OPTIONS} clear 1>/dev/null
	eend $?
}

reset() {
	ebegin "Resetting the packet and byte counters in shorewall"
	${command} ${OPTIONS} reset 1>/dev/null
	eend $?
}

refresh() {
	# refresh the rules involving the broadcast addresses of firewall 
	# interfaces, the black list, traffic control rules and 
	# ECN control rules

	ebegin "Refreshing shorewall rules"
	${command} ${OPTIONS} refresh 1>/dev/null
	eend $?
}

check() {
	# perform cursory validation of the zones, interfaces, hosts, rules
	# and policy files. CAUTION: does not parse and validate the generated 
	# iptables commands.

	ebegin "Checking shorewall configuration"
	${command} ${OPTIONS} check 1>/dev/null
	eend $?
}