xref: /freebsd/libexec/rc/rc.d/defaultroute (revision 7899f917b1c0ea178f1d2be0cfb452086d079d23)
1#!/bin/sh
2#
3# Wait for the default route to be up if DHCP is in use
4#
5#
6
7# PROVIDE: defaultroute
8# REQUIRE: devd netif stf
9# KEYWORD: nojailvnet
10
11. /etc/rc.subr
12. /etc/network.subr
13
14name="defaultroute"
15desc="Setup default router"
16start_cmd="defaultroute_start"
17stop_cmd=":"
18
19# Does any interface have a carrier?
20defaultroute_carrier()
21{
22	local carrier nocarrier
23
24	carrier=1
25	for _if in ${dhcp_interfaces}; do
26		output=`/sbin/ifconfig ${_if}`
27		nocarrier=`expr "${output}" : '.*[[:blank:]]status: \(no carrier\)'`
28		[ -z "${nocarrier}" ] && carrier=0
29	done
30	return ${carrier}
31}
32
33defaultroute_start()
34{
35	local nl waited
36
37	afexists inet || return 0
38
39	# Return without waiting if we don't have dhcp interfaces or
40	# if none of the dhcp interfaces is plugged in.
41	dhcp_interfaces=`list_net_interfaces dhcp`
42	[ -z "${dhcp_interfaces}" ] && return
43
44	# Wait for a default route
45	waited=0
46	while [ ${waited} -lt ${defaultroute_delay} ]; do
47		defif=`get_default_if -inet`
48		if [ -n "${defif}" ]; then
49			if [ ${waited} -ne 0 ]; then
50				echo -n "($defif)"
51				nl=1
52			fi
53			break
54		fi
55		if [ ${waited} -eq 0 ]; then
56			echo -n "Waiting ${defaultroute_delay}s for the default route interface: "
57		else
58			echo -n .
59		fi
60		if [ ${waited} -eq ${defaultroute_carrier_delay} ] && ! defaultroute_carrier; then
61			echo -n "(no carrier)"
62			break
63		fi
64		nl=1
65		sleep 1
66		waited=$(($waited + 1))
67	done
68
69	[ -n "$nl" ] && echo
70}
71
72load_rc_config $name
73
74# doesn't make sense to run in a svcj: config setting
75defaultroute_svcj="NO"
76
77run_rc_command "$1"
78