blob: f6dab791d7608f04694673c1cd68bf5b02a5d91f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
|
#!/bin/sh
#
# $NetBSD: ipfilter,v 1.10 2001/02/28 17:03:50 lukem Exp $
# $FreeBSD$
#
# PROVIDE: ipfilter
# REQUIRE: root beforenetlkm mountcritlocal ipmon
# BEFORE: netif
# KEYWORD: FreeBSD NetBSD
. /etc/rc.subr
name="ipfilter"
rcvar=`set_rcvar`
load_rc_config $name
case ${OSTYPE} in
FreeBSD)
stop_precmd="test -f ${ipfilter_rules} -o -f ${ipv6_ipfilter_rules}"
;;
NetBSD)
stop_precmd="test -f /etc/ipf.conf -o -f /etc/ipf6.conf"
;;
esac
start_precmd="ipfilter_prestart"
start_cmd="ipfilter_start"
stop_cmd="ipfilter_stop"
reload_precmd="$stop_precmd"
reload_cmd="ipfilter_reload"
resync_precmd="$stop_precmd"
resync_cmd="ipfilter_resync"
status_precmd="$stop_precmd"
status_cmd="ipfilter_status"
extra_commands="reload resync status"
ipfilter_prestart()
{
case ${OSTYPE} in
FreeBSD)
# load ipfilter kernel module if needed
if ! kldstat -v | grep "IP Filter" > /dev/null 2>&1; then
if kldload ipl; then
info 'IP-filter module loaded.'
else
err 1 'IP-filter module failed to load.'
fi
fi
# check for ipfilter rules
if [ ! -r "${ipfilter_rules}" ] && [ ! -r "${ipv6_ipfilter_rules}" ]
then
warn 'IP-filter: NO IPF RULES'
return 1
fi
;;
NetBSD)
if [ ! -f /etc/ipf.conf ] && [ ! -f /etc/ipf6.conf ]; then
warn "/etc/ipf*.conf not readable; ipfilter start aborted."
#
# If booting directly to multiuser, send SIGTERM to
# the parent (/etc/rc) to abort the boot
#
if [ "$autoboot" = yes ]; then
echo "ERROR: ABORTING BOOT (sending SIGTERM to parent)!"
kill -TERM $$
exit 1
fi
return 1
fi
;;
esac
return 0
}
ipfilter_start()
{
echo "Enabling ipfilter."
case ${OSTYPE} in
FreeBSD)
if [ `sysctl -n net.inet.ipf.fr_running` -eq 0 ]; then
${ipfilter_program:-/sbin/ipf} -E
fi
${ipfilter_program:-/sbin/ipf} -Fa
if [ -r "${ipfilter_rules}" ]; then
${ipfilter_program:-/sbin/ipf} \
-f "${ipfilter_rules}" ${ipfilter_flags}
fi
${ipfilter_program:-/sbin/ipf} -6 -Fa
if [ -r "${ipv6_ipfilter_rules}" ]; then
${ipfilter_program:-/sbin/ipf} -6 \
-f "${ipv6_ipfilter_rules}" ${ipfilter_flags}
fi
;;
NetBSD)
/sbin/ipf -E -Fa
if [ -f /etc/ipf.conf ]; then
/sbin/ipf -f /etc/ipf.conf
fi
if [ -f /etc/ipf6.conf ]; then
/sbin/ipf -6 -f /etc/ipf6.conf
fi
;;
esac
}
ipfilter_stop()
{
# XXX - The ipf -D command is not effective for 'lkm's
if [ `sysctl -n net.inet.ipf.fr_running` -eq 1 ]; then
case ${OSTYPE} in
FreeBSD)
echo "Saving firewall state tables"
${ipfs_program:-/sbin/ipfs} -W ${ipfs_flags}
echo "Disabling ipfilter."
${ipfilter_program:-/sbin/ipf} -D
;;
NetBSD)
echo "Disabling ipfilter."
/sbin/ipf -D
;;
esac
fi
}
ipfilter_reload()
{
echo "Reloading ipfilter rules."
case ${OSTYPE} in
FreeBSD)
${ipfilter_program:-/sbin/ipf} -I -Fa
if [ -r "${ipfilter_rules}" ]; then
${ipfilter_program:-/sbin/ipf} -I \
-f "${ipfilter_rules}" ${ipfilter_flags}
fi
${ipfilter_program:-/sbin/ipf} -I -6 -Fa
if [ -r "${ipv6_ipfilter_rules}" ]; then
${ipfilter_program:-/sbin/ipf} -I -6 \
-f "${ipv6_ipfilter_rules}" ${ipfilter_flags}
fi
${ipfilter_program:-/sbin/ipf} -s
;;
NetBSD)
/sbin/ipf -I -Fa
if [ -f /etc/ipf.conf ] && ! /sbin/ipf -I -f /etc/ipf.conf; then
err 1 "reload of ipf.conf failed; not swapping to" \
" new ruleset."
fi
if [ -f /etc/ipf6.conf ] && \
! /sbin/ipf -I -6 -f /etc/ipf6.conf; then
err 1 "reload of ipf6.conf failed; not swapping to" \
" new ruleset."
fi
/sbin/ipf -s
;;
esac
}
ipfilter_resync()
{
case ${OSTYPE} in
FreeBSD)
# Don't resync if ipfilter is not loaded
[ kldstat -v | grep "IP Filter" > /dev/null 2>&1 ] && return
;;
esac
${ipfilter_program:-/sbin/ipf} -y ${ipfilter_flags}
}
ipfilter_status()
{
${ipfilter_program:-/sbin/ipf} -V
}
run_rc_command "$1"
|