ipfw revision 160672 
1#!/bin/sh
2#
3# $FreeBSD: head/etc/rc.d/ipfw 160672 2006-07-25 17:28:18Z yar $
4#
5
6# PROVIDE: ipfw
7# REQUIRE: ppp
8# BEFORE: NETWORKING
9# KEYWORD: nojail
10
11. /etc/rc.subr
12. /etc/network.subr
13
14name="ipfw"
15rcvar="firewall_enable"
16start_cmd="ipfw_start"
17start_precmd="ipfw_precmd"
18stop_cmd="ipfw_stop"
19
20ipfw_precmd()
21{
22	if ! ${SYSCTL} net.inet.ip.fw.enable > /dev/null 2>&1; then
23		if ! kldload ipfw; then
24			warn unable to load firewall module.
25			return 1
26		fi
27	fi
28
29	return 0
30}
31
32ipfw_start()
33{
34	# set the firewall rules script if none was specified
35	[ -z "${firewall_script}" ] && firewall_script=/etc/rc.firewall
36
37	if [ -r "${firewall_script}" ]; then
38		if [ -f /etc/rc.d/natd ] ; then
39			/etc/rc.d/natd start
40		fi
41		. "${firewall_script}"
42		echo 'Firewall rules loaded.'
43	elif [ "`ipfw list 65535`" = "65535 deny ip from any to any" ]; then
44		echo 'Warning: kernel has firewall functionality, but' \
45		    ' firewall rules are not enabled.'
46		echo '           All ip services are disabled.'
47	fi
48
49	# Firewall logging
50	#
51	if checkyesno firewall_logging; then
52		echo 'Firewall logging enabled.'
53		sysctl net.inet.ip.fw.verbose=1 >/dev/null
54	fi
55
56	# Enable the firewall
57	#
58	${SYSCTL_W} net.inet.ip.fw.enable=1
59}
60
61ipfw_stop()
62{
63	# Disable the firewall
64	#
65	${SYSCTL_W} net.inet.ip.fw.enable=0
66	if [ -f /etc/rc.d/natd ] ; then
67		/etc/rc.d/natd stop
68	fi
69}
70
71load_rc_config $name
72run_rc_command "$1"
73