ipfw revision 190575 
1#!/bin/sh
2#
3# $FreeBSD: head/etc/rc.d/ipfw 190575 2009-03-30 21:31:52Z emax $
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_prestart"
18stop_cmd="ipfw_stop"
19required_modules="ipfw"
20
21ipfw_prestart()
22{
23	if checkyesno dummynet_enable; then
24		required_modules="$required_modules dummynet"
25	fi
26
27	if checkyesno firewall_nat_enable; then
28		if ! checkyesno natd_enable; then
29			required_modules="$required_modules ipfw_nat"
30		fi
31	fi 
32}
33
34ipfw_start()
35{
36	local   _firewall_type
37
38	_firewall_type=$1 
39
40	# set the firewall rules script if none was specified
41	[ -z "${firewall_script}" ] && firewall_script=/etc/rc.firewall
42
43	if [ -r "${firewall_script}" ]; then
44		if [ -f /etc/rc.d/natd ] ; then
45			/etc/rc.d/natd quietstart
46		fi
47		/bin/sh "${firewall_script}" "${_firewall_type}"
48		echo 'Firewall rules loaded.'
49	elif [ "`ipfw list 65535`" = "65535 deny ip from any to any" ]; then
50		echo 'Warning: kernel has firewall functionality, but' \
51		    ' firewall rules are not enabled.'
52		echo '           All ip services are disabled.'
53	fi
54
55	# Firewall logging
56	#
57	if checkyesno firewall_logging; then
58		echo 'Firewall logging enabled.'
59		sysctl net.inet.ip.fw.verbose=1 >/dev/null
60	fi
61
62	# Enable the firewall
63	#
64	if ! ${SYSCTL_W} net.inet.ip.fw.enable=1 1>/dev/null 2>&1; then
65		warn "failed to enable firewall"
66	fi
67}
68
69ipfw_stop()
70{
71	# Disable the firewall
72	#
73	${SYSCTL_W} net.inet.ip.fw.enable=0
74	if [ -f /etc/rc.d/natd ] ; then
75		/etc/rc.d/natd quietstop
76	fi
77}
78
79load_rc_config $name
80run_rc_command $*
81