xref: /dragonfly/etc/rc.d/ipfw (revision 0dace59e) 
1#!/bin/sh
2#
3# $FreeBSD: src/etc/rc.d/ipfw,v 1.4 2003/03/30 15:52:18 mtm Exp $
4# $DragonFly: src/etc/rc.d/ipfw,v 1.4 2008/07/06 23:55:51 thomas Exp $
5#
6
7# PROVIDE: ipfw
8# REQUIRE: ppp-user
9# BEFORE: NETWORKING
10
11. /etc/rc.subr
12
13name="ipfw"
14rcvar="firewall_enable"
15start_cmd="ipfw_start"
16start_precmd="ipfw_precmd"
17stop_cmd="ipfw_stop"
18
19ipfw_precmd()
20{
21	if ! ${SYSCTL} net.inet.ip.fw.enable > /dev/null 2>&1; then
22		if ! kldload ipfw; then
23			warn "unable to load ipfw firewall module."
24			return 1
25		fi
26	fi
27
28	return 0
29}
30
31ipfw_start()
32{
33	# set the firewall rules script if none was specified
34	[ -z "${firewall_script}" ] && firewall_script=/etc/rc.firewall
35
36	if [ -r "${firewall_script}" ]; then
37		. "${firewall_script}"
38		echo -n 'Firewall rules loaded, starting divert daemons:'
39
40		# Network Address Translation daemon
41		#
42		if checkyesno natd_enable; then
43			if [ -n "${natd_interface}" ]; then
44				if echo ${natd_interface} | \
45				grep -q -E '^[0-9]+(\.[0-9]+){0,3}$'; then
46					natd_flags="$natd_flags -a ${natd_interface}"
47				else
48					natd_flags="$natd_flags -n ${natd_interface}"
49				fi
50			fi
51			echo -n ' natd'
52			${natd_program:-/sbin/natd} ${natd_flags} ${natd_ifarg}
53		fi
54	elif [ "`ipfw l 65535`" = "65535 deny ip from any to any" ]; then
55		echo 'Warning: kernel has firewall functionality, but' \
56		    ' firewall rules are not enabled.'
57		echo '           All ip services are disabled.'
58	fi
59	echo '.'
60
61	# Firewall logging
62	#
63	if checkyesno firewall_logging; then
64		echo 'Firewall logging enabled'
65		sysctl net.inet.ip.fw.verbose=1 >/dev/null
66	fi
67
68	# Enable the firewall
69	#
70	${SYSCTL_W} net.inet.ip.fw.enable=1
71}
72
73ipfw_stop()
74{
75	# Disable the firewall
76	#
77	${SYSCTL_W} net.inet.ip.fw.enable=0
78}
79
80load_rc_config $name
81run_rc_command "$1"
82