blob: d59f7878bd56f47d18c0f0bcc6355ec9adba74ae (
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
|
#!/bin/sh
# udev agent script
if [ -z "$INTERFACE" ]; then
echo 'Bad invocation: $INTERFACE is not set' >&2
exit 1
fi
DAEMON_NAME=ifplugd
DAEMON=/usr/sbin/$DAEMON_NAME
if [ ! -x $DAEMON ]; then
echo "No $DAEMON_NAME executable: $DAEMON" >&2
exit 1
fi
CFG=/etc/default/$DAEMON_NAME
if [ -f $CFG ]; then
. $CFG
else
echo "No $DAEMON_NAME configuration file" >&2
exit 1
fi
# return true (0) if searchifc ($1) is in argument list ($@)
# return false (1) otherwise
search_interfaces () {
searchifc=$1
shift
for i in $@; do
if [ "$i" = "$searchifc" ] || [ "$i" = "all" ]; then
return 0
fi
done
return 1
}
# wait for networking to be available, taken from net.agent (ifupdown)
wait_for_interface () {
waitifc=$1
while :; do
ifcstate="$(cat /sys/class/net/${waitifc}/operstate 2>/dev/null || true)"
if [ "$ifcstate" != down ]; then
return 0
fi
sleep 1
done
}
ifplugd_daemon () {
search_interfaces "$INTERFACE" $INTERFACES
if [ $? -gt 0 ]; then
# Interface isn't statically managed by ifplugd
search_interfaces "$INTERFACE" $HOTPLUG_INTERFACES
if [ $? -eq 0 ]; then
# Interface is in hotplug allowed list
case "$ACTION" in
add|register)
logger -t ifplugd -p daemon.debug "Invoking $DAEMON_NAME for $INTERFACE"
# check for interface specific arguments
IF1=$(echo $INTERFACE | sed "s/-/_/")
A=$(eval echo \$\{ARGS_${IF1}\})
[ -z "$A" ] && A="$ARGS"
# wait for loopback interface to exist, we may have
# been invoked very early in boot sequence
wait_for_interface lo
# spawn ifplugd daemon
exec $DAEMON -i $INTERFACE $A
;;
remove|unregister)
logger -t ifplugd -p daemon.debug "Stopping $DAEMON_NAME for $INTERFACE"
# kill a running ifplugd daemon
exec $DAEMON -k -i $INTERFACE
;;
esac
fi
fi
}
ifplugd_daemon &
|
