aboutsummaryrefslogtreecommitdiff
path: root/net/ifplugd.sh
blob: 34cd18a577126d4fe7fce8c32f7e2ca49a923940 (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
# Copyright (c) 2007-2008 Roy Marples <roy@marples.name>
# All rights reserved. Released under the 2-clause BSD license.

_config_vars="$_config_vars plug_timeout"

ifplugd_depend()
{
	program start /usr/sbin/ifplugd
	after macnet rename
	before interface
	provide plug
}

ifplugd_pre_start()
{
	local pidfile="/var/run/ifplugd.${IFACE}.pid" timeout= args=

	# We don't start ifplugd if we're being called from the background
	yesno ${IN_BACKGROUND} && return 0

	_exists || return 0

	# We need a valid MAC address
	# It's a basic test to ensure it's not a virtual interface
	if ! _get_mac_address >/dev/null 2>&1; then
		vewarn "ifplugd only works on interfaces with a valid MAC address"
		return 0
	fi

	# We don't work on bonded, bridges, tun/tap, vlan or wireless
	for f in bond bridge tuntap vlan wireless; do
		if type "_is_${f}" >/dev/null 2>&1; then
			if _is_${f}; then
				veinfo "ifplugd does not work with ${f}"
				return 0
			fi
		fi
	done

	ebegin "Starting ifplugd on ${IFACE}"

	eval args=\$ifplugd_${IFVAR}

	# Mark the us as inactive so netplug can restart us
	mark_service_inactive

	# Start ifplugd
	eval start-stop-daemon --start --exec /usr/sbin/ifplugd \
		--pidfile "${pidfile}" -- "${args}" --iface="${IFACE}"
	eend $? || return 1

	eindent

	# IFACE-specific, then global, then default
	eval timeout=\$plug_timeout_${IFVAR}
	[ -z "${timeout}" ] && timeout=$plug_timeout
	[ -z "${timeout}" ] && timeout=-1
	if [ ${timeout} -eq 0 ]; then
		ewarn "WARNING: infinite timeout set for ${IFACE} to come up"
	elif [ ${timeout} -lt 0 ]; then
		einfo "Backgrounding ..."
		exit 1
	fi

	veinfo "Waiting for ${IFACE} to be marked as started"

	local i=0
	while true; do
		if service_started; then
			_show_address
			exit 0
		fi
		sleep 1
		[ ${timeout} -eq 0 ] && continue
		i=$((${i} + 1))
		[ ${i} -ge ${timeout} ] && break
	done

	eend 1 "Failed to configure ${IFACE} in the background"
	exit 1
}

ifplugd_stop()
{
	yesno ${IN_BACKGROUND} && return 0

	local pidfile="/var/run/ifplugd.${IFACE}.pid"
	[ ! -e "${pidfile}" ] && return 0

	ebegin "Stopping ifplugd on ${IFACE}"
	start-stop-daemon --stop --quiet --exec /usr/sbin/ifplugd \
		--pidfile "${pidfile}" --signal QUIT
	eend $?
}