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[FreeBSD/FreeBSD.git] / etc / rc.d / netif
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 # $FreeBSD$
26 #
27
28 # PROVIDE: netif
29 # REQUIRE: atm1 FILESYSTEMS iovctl serial sppp sysctl
30 # REQUIRE: ipfilter ipfs
31 # KEYWORD: nojailvnet
32
33 . /etc/rc.subr
34 . /etc/network.subr
35
36 name="netif"
37 rcvar="${name}_enable"
38 start_cmd="netif_start"
39 stop_cmd="netif_stop"
40 wlanup_cmd="wlan_up"
41 wlandown_cmd="wlan_down"
42 cloneup_cmd="clone_up"
43 clonedown_cmd="clone_down"
44 clear_cmd="doclear"
45 vnetup_cmd="vnet_up"
46 vnetdown_cmd="vnet_down"
47 extra_commands="cloneup clonedown clear vnetup vnetdown"
48 cmdifn=
49
50 set_rcvar_obsolete ipv6_enable ipv6_activate_all_interfaces
51 set_rcvar_obsolete ipv6_prefer
52
53 netif_start()
54 {
55         local _if
56
57         # Set the list of interfaces to work on.
58         #
59         cmdifn=$*
60
61         if [ -z "$cmdifn" ]; then
62                 #
63                 # We're operating as a general network start routine.
64                 #
65
66                 # disable SIGINT (Ctrl-c) when running at startup
67                 trap : 2
68         fi
69
70         # Create IEEE802.11 interface
71         wlan_up $cmdifn
72
73         # Create cloned interfaces
74         clone_up $cmdifn
75
76         # Rename interfaces.
77         ifnet_rename $cmdifn
78
79         # Configure the interface(s).
80         netif_common ifn_start $cmdifn
81
82         if [ -f /etc/rc.d/ipfilter ] ; then
83                 # Resync ipfilter
84                 /etc/rc.d/ipfilter quietresync
85         fi
86         if [ -f /etc/rc.d/bridge -a -n "$cmdifn" ] ; then
87                 /etc/rc.d/bridge start $cmdifn
88         fi
89         if [ -f /etc/rc.d/routing -a -n "$cmdifn" ] ; then
90                 for _if in $cmdifn; do
91                         /etc/rc.d/routing static any $_if
92                 done
93         fi
94 }
95
96 netif_stop()
97 {
98         _clone_down=1
99         _wlan_down=1
100         netif_stop0 $*
101 }
102
103 doclear()
104 {
105         _clone_down=
106         _wlan_down=
107         netif_stop0 $*
108 }
109
110 netif_stop0()
111 {
112         local _if
113
114         # Set the list of interfaces to work on.
115         #
116         cmdifn=$*
117
118         # Deconfigure the interface(s)
119         netif_common ifn_stop $cmdifn
120
121         # Destroy wlan interfaces
122         if [ -n "$_wlan_down" ]; then
123                 wlan_down $cmdifn
124         fi
125
126         # Destroy cloned interfaces
127         if [ -n "$_clone_down" ]; then
128                 clone_down $cmdifn
129         fi
130
131         if [ -f /etc/rc.d/routing -a -n "$cmdifn" ] ; then
132                 for _if in $cmdifn; do
133                         /etc/rc.d/routing stop any $_if
134                 done
135         fi
136 }
137
138 vnet_up()
139 {
140         cmdifn=$*
141
142         netif_common ifn_vnetup $cmdifn
143 }
144
145 vnet_down()
146 {
147         cmdifn=$*
148
149         netif_common ifn_vnetdown $cmdifn
150 }
151
152 # netif_common routine
153 #       Common configuration subroutine for network interfaces. This
154 #       routine takes all the preparatory steps needed for configuriing
155 #       an interface and then calls $routine.
156 netif_common()
157 {
158         local _cooked_list _tmp_list _fail _func _ok _str _cmdifn
159
160         _func=
161
162         if [ -z "$1" ]; then
163                 err 1 "netif_common(): No function name specified."
164         else
165                 _func="$1"
166                 shift
167         fi
168
169         # Set the scope of the command (all interfaces or just one).
170         #
171         _cooked_list=
172         _tmp_list=
173         _cmdifn=$*
174         if [ -n "$_cmdifn" ]; then
175                 # Don't check that the interface(s) exist.  We need to run
176                 # the down code even when the interface doesn't exist to
177                 # kill off wpa_supplicant.
178                 # XXXBED: is this really true or does wpa_supplicant die?
179                 # if so, we should get rid of the devd entry
180                 _cooked_list="$_cmdifn"
181         else
182                 _cooked_list="`list_net_interfaces`"
183         fi
184
185         # Expand epair[0-9] to epair[0-9][ab].
186         for ifn in $_cooked_list; do
187         case ${ifn#epair} in
188         [0-9]*[ab])     ;;      # Skip epair[0-9]*[ab].
189         [0-9]*)
190                 for _str in $_cooked_list; do
191                 case $_str in
192                 $ifn)   _tmp_list="$_tmp_list ${ifn}a ${ifn}b" ;;
193                 *)      _tmp_list="$_tmp_list ${ifn}" ;;
194                 esac
195                 done
196                 _cooked_list=${_tmp_list# }
197         ;;
198         esac
199         done
200
201         _dadwait=
202         _fail=
203         _ok=
204         for ifn in ${_cooked_list# }; do
205                 # Skip if ifn does not exist.
206                 case $_func in
207                 ifn_stop)
208                         if ! ${IFCONFIG_CMD} $ifn > /dev/null 2>&1; then
209                                 warn "$ifn does not exist.  Skipped."
210                                 _fail="${_fail} ${ifn}"
211                                 continue
212                         fi
213                 ;;
214                 esac
215                 if ${_func} ${ifn} $2; then
216                         _ok="${_ok} ${ifn}"
217                         if ipv6if ${ifn}; then
218                                 _dadwait=1
219                         fi
220                 else
221                         _fail="${_fail} ${ifn}"
222                 fi
223         done
224
225         # inet6 address configuration needs sleep for DAD.
226         case ${_func}:${_dadwait} in
227         ifn_start:1|ifn_vnetup:1|ifn_vnetdown:1)
228                 sleep `${SYSCTL_N} net.inet6.ip6.dad_count`
229                 sleep 1
230         ;;
231         esac
232
233         _str=
234         if [ -n "${_ok}" ]; then
235                 case ${_func} in
236                 ifn_start)
237                         _str='Starting'
238                 ;;
239                 ifn_stop)
240                         _str='Stopping'
241                 ;;
242                 ifn_vnetup)
243                         _str='Moving'
244                 ;;
245                 ifn_vnetdown)
246                         _str='Reclaiming'
247                 ;;
248                 esac
249                 echo "${_str} Network:${_ok}."
250                 case ${_func} in
251                 ifn_vnetup)
252                         # Clear _ok not to do "ifconfig $ifn"
253                         # because $ifn is no longer in the current vnet.
254                         _ok=
255                 ;;
256                 esac
257                 if check_startmsgs; then
258                         for ifn in ${_ok}; do
259                                 /sbin/ifconfig ${ifn}
260                         done
261                 fi
262         fi
263
264         debug "The following interfaces were not configured: $_fail"
265 }
266
267 # Load the old "network" config file also for compatibility.
268 # This is needed for mfsBSD at least.
269 load_rc_config network
270 load_rc_config $name
271 run_rc_command $*