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[FreeBSD/FreeBSD.git] / sbin / init / rc.d / pflog
1 #!/bin/sh
2 #
3 # $FreeBSD$
4 #
5
6 # PROVIDE: pflog
7 # REQUIRE: FILESYSTEMS netif
8 # KEYWORD: nojailvnet
9
10 . /etc/rc.subr
11
12 name="pflog"
13 desc="Packet filter logging interface"
14 rcvar="pflog_enable"
15 command="/sbin/pflogd"
16 pidfile="/var/run/pflogd.pid"
17 start_precmd="pflog_prestart"
18 stop_postcmd="pflog_poststop"
19 extra_commands="reload resync"
20
21 # for backward compatibility
22 resync_cmd="pflog_resync"
23
24 pflog_prestart()
25 {
26         load_kld pflog || return 1
27
28         # create pflog_dev interface if needed
29         if ! ifconfig $pflog_dev > /dev/null 2>&1; then
30                 if ! ifconfig $pflog_dev create; then
31                         warn "could not create $pflog_dev."
32                         return 1
33                 fi
34         fi
35
36         # set pflog_dev interface to up state
37         if ! ifconfig $pflog_dev up; then
38                 warn "could not bring up $pflog_dev."
39                 return 1
40         fi
41
42         # -p flag requires stripping pidfile's leading /var/run and trailing .pid
43         pidfile=$(echo $pidfile | sed -e 's|/var/run/||' -e 's|.pid$||')
44
45         # prepare the command line for pflogd
46         rc_flags="-p $pidfile -f $pflog_logfile -i $pflog_dev $rc_flags"
47
48         # report we're ready to run pflogd
49         return 0
50 }
51
52 pflog_poststop()
53 {
54         if ! ifconfig $pflog_dev down; then
55                 warn "could not bring down $pflog_dev."
56                 return 1
57         fi
58
59         if [ "$pflog_instances" ] && [ -n "$pflog_instances" ]; then
60                 rm $pidfile
61         fi
62
63         return 0
64 }
65
66 # for backward compatibility
67 pflog_resync()
68 {
69         run_rc_command reload
70 }
71
72 load_rc_config $name
73
74 # Check if spawning multiple pflogd and told what to spawn
75 if [ -n "$2" ]; then
76         # Set required variables
77         eval pflog_dev=\$pflog_${2}_dev
78         eval pflog_logfile=\$pflog_${2}_logfile
79         eval pflog_flags=\$pflog_${2}_flags
80         # Check that required vars have non-zero length, warn if not.
81         if [ -z $pflog_dev ]; then
82                 warn "pflog_dev not set"
83                 continue
84         fi
85         if [ -z $pflog_logfile ]; then
86                 warn "pflog_logfile not set"
87                 continue
88         fi
89
90         # Provide a unique pidfile name for pflogd -p <pidfile> flag
91         pidfile="/var/run/pflogd.$2.pid"
92
93         # Override service name and execute command
94         name=$pflog_dev
95         run_rc_command "$1"
96 # Check if spawning multiple pflogd and not told what to spawn
97 elif [ "$pflog_instances" ] && [ -n "$pflog_instances" ]; then
98         # Interate through requested instances.
99         for i in $pflog_instances; do
100                 /etc/rc.d/pflog $1 $i
101         done
102 else
103         # Typical case, spawn single instance only.
104         pflog_dev=${pflog_dev:-"pflog0"}
105         run_rc_command "$1"
106 fi