netif revision 287737 
1#!/bin/sh
2#
3# Copyright (c) 2003 The FreeBSD Project. All rights reserved.
4#
5# Redistribution and use in source and binary forms, with or without
6# modification, are permitted provided that the following conditions
7# are met:
8# 1. Redistributions of source code must retain the above copyright
9#    notice, this list of conditions and the following disclaimer.
10# 2. Redistributions in binary form must reproduce the above copyright
11#    notice, this list of conditions and the following disclaimer in the
12#    documentation and/or other materials provided with the distribution.
13#
14# THIS SOFTWARE IS PROVIDED BY THE PROJECT ``AS IS'' AND ANY EXPRESS OR
15# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17# IN NO EVENT SHALL THE PROJECT BE LIABLE FOR ANY DIRECT, INDIRECT,
18# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24#
25# $FreeBSD: stable/10/etc/rc.d/netif 287737 2015-09-13 03:59:29Z hrs $
26#
27
28# PROVIDE: netif
29# REQUIRE: atm1 FILESYSTEMS serial sppp sysctl
30# REQUIRE: ipfilter ipfs
31# KEYWORD: nojailvnet
32
33. /etc/rc.subr
34. /etc/network.subr
35
36name="network"
37start_cmd="network_start"
38stop_cmd="network_stop"
39cloneup_cmd="clone_up"
40clonedown_cmd="clone_down"
41clear_cmd="doclear"
42vnetup_cmd="vnet_up"
43vnetdown_cmd="vnet_down"
44extra_commands="cloneup clonedown clear vnetup vnetdown"
45cmdifn=
46
47set_rcvar_obsolete ipv6_enable ipv6_activate_all_interfaces
48set_rcvar_obsolete ipv6_prefer
49
50network_start()
51{
52	local _if
53
54	# Set the list of interfaces to work on.
55	#
56	cmdifn=$*
57
58	if [ -z "$cmdifn" ]; then
59		#
60		# We're operating as a general network start routine.
61		#
62
63		# disable SIGINT (Ctrl-c) when running at startup
64		trap : 2
65
66		# Create Fast EtherChannel interfaces
67		fec_up
68	fi
69
70	# Create cloned interfaces
71	clone_up $cmdifn
72
73	# Rename interfaces.
74	ifnet_rename $cmdifn
75
76	# Configure the interface(s).
77	network_common ifn_start $cmdifn
78
79	if [ -f /etc/rc.d/ipfilter ] ; then
80		# Resync ipfilter
81		/etc/rc.d/ipfilter quietresync
82	fi
83	if [ -f /etc/rc.d/bridge -a -n "$cmdifn" ] ; then
84		/etc/rc.d/bridge start $cmdifn
85	fi
86	if [ -f /etc/rc.d/routing -a -n "$cmdifn" ] ; then
87		for _if in $cmdifn; do
88			/etc/rc.d/routing static any $_if
89		done
90	fi
91}
92
93network_stop()
94{
95	_clone_down=1
96	network_stop0 $*
97}
98
99doclear()
100{
101	_clone_down=
102	network_stop0 $*
103}
104
105network_stop0()
106{
107	local _if
108
109	# Set the list of interfaces to work on.
110	#
111	cmdifn=$*
112
113	# Deconfigure the interface(s)
114	network_common ifn_stop $cmdifn
115
116	# Destroy cloned interfaces
117	if [ -n "$_clone_down" ]; then
118		clone_down $cmdifn
119	fi
120
121	if [ -f /etc/rc.d/routing -a -n "$cmdifn" ] ; then
122		for _if in $cmdifn; do
123			/etc/rc.d/routing stop any $_if
124		done
125	fi
126}
127
128vnet_up()
129{
130	cmdifn=$*
131
132	network_common ifn_vnetup $cmdifn
133}
134
135vnet_down()
136{
137	cmdifn=$*
138
139	network_common ifn_vnetdown $cmdifn
140}
141
142# network_common routine
143#	Common configuration subroutine for network interfaces. This
144#	routine takes all the preparatory steps needed for configuriing
145#	an interface and then calls $routine.
146network_common()
147{
148	local _cooked_list _tmp_list _fail _func _ok _str _cmdifn
149
150	_func=
151
152	if [ -z "$1" ]; then
153		err 1 "network_common(): No function name specified."
154	else
155		_func="$1"
156		shift
157	fi
158
159	# Set the scope of the command (all interfaces or just one).
160	#
161	_cooked_list=
162	_tmp_list=
163	_cmdifn=$*
164	if [ -n "$_cmdifn" ]; then
165		# Don't check that the interface(s) exist.  We need to run
166		# the down code even when the interface doesn't exist to
167		# kill off wpa_supplicant.
168		# XXXBED: is this really true or does wpa_supplicant die?
169		# if so, we should get rid of the devd entry
170		_cooked_list="$_cmdifn"
171	else
172		_cooked_list="`list_net_interfaces`"
173	fi
174
175	# Expand epair[0-9] to epair[0-9][ab].
176	for ifn in $_cooked_list; do
177	case ${ifn#epair} in
178	[0-9]*[ab])	;;	# Skip epair[0-9]*[ab].
179	[0-9]*)
180		for _str in $_cooked_list; do
181		case $_str in
182		$ifn)	_tmp_list="$_tmp_list ${ifn}a ${ifn}b" ;;
183		*)	_tmp_list="$_tmp_list ${ifn}" ;;
184		esac
185		done
186		_cooked_list=${_tmp_list# }
187	;;
188	esac
189	done
190
191	_dadwait=
192	_fail=
193	_ok=
194	for ifn in ${_cooked_list# }; do
195		# Skip if ifn does not exist.
196		case $_func in
197		ifn_stop)
198			if ! ${IFCONFIG_CMD} $ifn > /dev/null 2>&1; then
199				warn "$ifn does not exist.  Skipped."
200				_fail="${_fail} ${ifn}"
201				continue
202			fi
203		;;
204		esac
205		if ${_func} ${ifn} $2; then
206			_ok="${_ok} ${ifn}"
207			if ipv6if ${ifn}; then
208				_dadwait=1
209			fi
210		else
211			_fail="${_fail} ${ifn}"
212		fi
213	done
214
215	# inet6 address configuration needs sleep for DAD.
216	case ${_func}:${_dadwait} in
217	ifn_start:1|ifn_vnetup:1|ifn_vnetdown:1)
218		sleep `${SYSCTL_N} net.inet6.ip6.dad_count`
219		sleep 1
220	;;
221	esac
222
223	_str=
224	if [ -n "${_ok}" ]; then
225		case ${_func} in
226		ifn_start)
227			_str='Starting'
228		;;
229		ifn_stop)
230			_str='Stopping'
231		;;
232		ifn_vnetup)
233			_str='Moving'
234		;;
235		ifn_vnetdown)
236			_str='Reclaiming'
237		;;
238		esac
239		echo "${_str} Network:${_ok}."
240		case ${_func} in
241		ifn_vnetup)
242			# Clear _ok not to do "ifconfig $ifn"
243			# because $ifn is no longer in the current vnet.
244			_ok=
245		;;
246		esac
247		if check_startmsgs; then
248			for ifn in ${_ok}; do
249				/sbin/ifconfig ${ifn}
250			done
251		fi
252	fi
253
254	debug "The following interfaces were not configured: $_fail"
255}
256
257load_rc_config $name
258run_rc_command $*
259