xref: /dragonfly/etc/rc.d/dhclient (revision 2d8a3be7) 
1#!/bin/sh
2#
3# $NetBSD: dhclient,v 1.8 2002/03/22 04:33:58 thorpej Exp $
4# $FreeBSD: src/etc/rc.d/dhclient,v 1.6 2003/06/29 05:34:41 mtm Exp $
5# $DragonFly: src/etc/rc.d/dhclient,v 1.1 2003/07/24 06:35:37 dillon Exp $
6#
7
8# PROVIDE: dhclient
9# REQUIRE: network netif mountcritlocal
10# BEFORE:  NETWORKING
11# KEYWORD: DragonFly FreeBSD NetBSD
12#
13#	Note that there no syslog logging of dhclient messages at boot because
14#	dhclient needs to start before services that syslog depends upon do.
15#
16
17. /etc/rc.subr
18. /etc/network.subr
19
20name="dhclient"
21pidfile="/var/run/${name}.pid"
22case "${OSTYPE}" in
23DragonFly)
24	 rcvar=
25        start_precmd="dhclient_prestart"
26        start_postcmd="dhclient_poststart"
27        stop_cmd="dhclient_stop"
28        stop_precmd="dhclient_prestop"
29        stop_postcmd="dhclient_poststop"
30        ;;
31
32FreeBSD)
33	rcvar=
34	start_precmd="dhclient_prestart"
35	start_postcmd="dhclient_poststart"
36	stop_cmd="dhclient_stop"
37	stop_precmd="dhclient_prestop"
38	stop_postcmd="dhclient_poststop"
39	;;
40NetBSD)
41	rcvar=$name
42	command="/sbin/${name}"
43	;;
44esac
45
46dhclient_common()
47{
48	dhcp_list="`list_net_interfaces dhcp`"
49	if [ -z "$dhcp_list" ]; then
50		return 1
51	fi
52
53	# Determine the scope of the command
54	#
55	_cooked_list="$dhcp_list"
56	if [ -n "$_cmdifn" ]; then
57		eval _cooked_list=\"`expr "$dhcp_list" : ".*\($_cmdifn\).*"`\"
58		if [ -z "$_cooked_list" ]; then
59			err "No such network interface: $_cmdifn"
60			return 1
61		fi
62	fi
63}
64
65dhclient_prestart()
66{
67	dhclient_common || return 1
68
69	for ifn in ${_cooked_list}; do
70		ifscript_up ${ifn}
71	done
72
73	rc_flags="${rc_flags} ${_cooked_list}"
74	return 0
75}
76
77dhclient_poststart()
78{
79	for ifn in ${_cooked_list}; do
80		ifalias_up ${ifn}
81		ipx_up ${ifn}
82		ifconfig ${ifn}
83	done
84}
85
86dhclient_stop()
87{
88	echo -n "Releasing DHCP leases:"
89	for ifn in $_cooked_list ; do
90		${command} -r $ifn
91		if [ $? -eq 0 ]; then
92			echo -n " $ifn"
93		else
94			_fail="$_fail $ifn"
95		fi
96	done
97	echo '.'
98	debug "The following leases failed to release: $_fail"
99}
100
101dhclient_prestop()
102{
103	dhclient_common || return 1
104
105	for ifn in ${_cooked_list}; do
106		ipx_down ${ifn}
107		ifalias_down ${ifn}
108	done
109}
110
111dhclient_poststop()
112{
113	for ifn in ${_cooked_list}; do
114		ifscript_down ${ifn}
115	done
116}
117
118if [ -n "$2" ]; then
119	_cmdifn="$2"
120fi
121
122load_rc_config $name
123
124run_rc_command "$1"
125