ipfw revision 208060 
1#!/bin/sh
2#
3# $FreeBSD: head/etc/rc.d/ipfw 208060 2010-05-14 04:53:57Z dougb $
4#
5
6# PROVIDE: ipfw
7# REQUIRE: ppp
8# KEYWORD: nojail
9
10. /etc/rc.subr
11. /etc/network.subr
12
13name="ipfw"
14rcvar="firewall_enable"
15start_cmd="ipfw_start"
16start_precmd="ipfw_prestart"
17start_postcmd="ipfw_poststart"
18stop_cmd="ipfw_stop"
19required_modules="ipfw"
20
21set_rcvar_obsolete ipv6_firewall_enable
22
23ipfw_prestart()
24{
25	if checkyesno dummynet_enable; then
26		required_modules="$required_modules dummynet"
27	fi
28
29	if checkyesno firewall_nat_enable; then
30		if ! checkyesno natd_enable; then
31			required_modules="$required_modules ipfw_nat"
32		fi
33	fi
34}
35
36ipfw_start()
37{
38	local   _firewall_type
39
40	_firewall_type=$1
41
42	# set the firewall rules script if none was specified
43	[ -z "${firewall_script}" ] && firewall_script=/etc/rc.firewall
44
45	if [ -r "${firewall_script}" ]; then
46		/bin/sh "${firewall_script}" "${_firewall_type}"
47		echo 'Firewall rules loaded.'
48	elif [ "`ipfw list 65535`" = "65535 deny ip from any to any" ]; then
49		echo 'Warning: kernel has firewall functionality, but' \
50		    ' firewall rules are not enabled.'
51		echo '           All ip services are disabled.'
52	fi
53
54	# Firewall logging
55	#
56	if checkyesno firewall_logging; then
57		echo 'Firewall logging enabled.'
58		sysctl net.inet.ip.fw.verbose=1 >/dev/null
59	fi
60}
61
62ipfw_poststart()
63{
64	local	_coscript
65
66	# Start firewall coscripts
67	#
68	for _coscript in ${firewall_coscripts} ; do
69		if [ -f "${_coscript}" ]; then
70			${_coscript} quietstart
71		fi
72	done
73
74	# Enable the firewall
75	#
76	if ! ${SYSCTL_W} net.inet.ip.fw.enable=1 1>/dev/null 2>&1; then
77		warn "failed to enable IPv4 firewall"
78	fi
79	if afexists inet6; then
80		if ! ${SYSCTL_W} net.inet6.ip6.fw.enable=1 1>/dev/null 2>&1
81		then
82			warn "failed to enable IPv6 firewall"
83		fi
84	fi
85}
86
87ipfw_stop()
88{
89	local	_coscript
90
91	# Disable the firewall
92	#
93	${SYSCTL_W} net.inet.ip.fw.enable=0
94	if afexists inet6; then
95		${SYSCTL_W} net.inet6.ip6.fw.enable=0
96	fi
97
98	# Stop firewall coscripts
99	#
100	for _coscript in `reverse_list ${firewall_coscripts}` ; do
101		if [ -f "${_coscript}" ]; then
102			${_coscript} quietstop
103		fi
104	done
105}
106
107load_rc_config $name
108firewall_coscripts="/etc/rc.d/natd ${firewall_coscripts}"
109
110run_rc_command $*
111