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: src/etc/rc.d/netif,v 1.2 2003/06/29 05:34:41 mtm Exp $ 26# 27 28# PROVIDE: netif 29# REQUIRE: cleanvar mountcritlocal serial sppp sysctl tty 30 31. /etc/rc.subr 32. /etc/network.subr 33 34name="netif" 35rcvar=`set_rcvar` 36start_cmd="netif_start" 37stop_cmd="netif_stop" 38cloneup_cmd="clone_up" 39clonedown_cmd="clone_down" 40extra_commands="cloneup clonedown" 41_cmdifn= 42 43netif_start() 44{ 45 # Set the list of interfaces to work on. 46 # 47 _cmdifn=$* 48 49 if [ -z "$_cmdifn" ]; then 50 # 51 # We're operating as a general network start routine. 52 # 53 54 # Create cloned interfaces 55 clone_up 56 57 # Create IPv6<-->IPv4 tunnels 58 gif_up 59 60 # Rename interfaces. 61 ifnet_rename 62 fi 63 64 # Configure the interface(s). 65 netif_common ifn_start verbose 66 67 # Give our interfaces a little time to come up 68 # before we start pounding them, e.g., DHCP client. 69 sleep 2 70} 71 72netif_stop() 73{ 74 # Set the list of interfaces to work on. 75 # 76 _cmdifn=$* 77 78 echo -n "Stopping network:" 79 80 # Deconfigure the interface(s) 81 netif_common ifn_stop 82 echo '.' 83} 84 85# netif_common routine verbose 86# Common configuration subroutine for network interfaces. This 87# routine takes all the preparatory steps needed for configuring 88# an interface and then calls $routine. If $verbose is specified, 89# it will call ifconfig(8) to show, in long format, the configured 90# interfaces. If $verbose is not given, it will simply output the 91# configured interface(s). 92# 93netif_common() 94{ 95 _func= 96 _verbose= 97 98 if [ -z "$1" ]; then 99 err 1 "netif_common(): No function name specified." 100 else 101 _func="$1" 102 fi 103 [ -n "$2" ] && _verbose=yes 104 105 # Get a list of network interfaces. 106 _ifn_list="`list_net_interfaces`" 107 108 # Set the scope of the command (all interfaces or just one). 109 # 110 _cooked_list= 111 if [ -n "$_cmdifn" ]; then 112 for i in $_cmdifn ; do 113 eval _if=\"`expr "$_ifn_list" : ".*\(${i}\).*"`\" 114 if [ -z "$_if" ]; then 115 err 1 "No such network interface: $i" 116 fi 117 _cooked_list="$_cooked_list $_if" 118 done 119 else 120 _cooked_list="$_ifn_list" 121 fi 122 123 for ifn in ${_cooked_list}; do 124 if ${_func} ${ifn} ; then 125 eval showstat_$ifn=1 126 else 127 _fail="$_fail $ifn" 128 fi 129 done 130 131 # Display interfaces configured by this script 132 # 133 for ifn in ${_cooked_list}; do 134 eval showstat=\$showstat_${ifn} 135 if [ ! -z ${showstat} ]; then 136 if [ -n "$_verbose" ]; then 137 ifconfig ${ifn} 2>/dev/null 138 else 139 echo -n " ${ifn}" 140 fi 141 fi 142 done 143 debug "The following interfaces were not configured: $_fail" 144} 145 146# ifn_start ifn 147# Bring up and configure an interface. 148# 149ifn_start() 150{ 151 local ifn cfg 152 ifn="$1" 153 cfg=1 154 155 [ -z "$ifn" ] && err 1 "ifn_start called without an interface" 156 157 ifscript_up ${ifn} && cfg=0 158 ifconfig_up ${ifn} && cfg=0 159 ifalias_up ${ifn} && cfg=0 160 childif_create ${ifn} && cfg=0 161 162 return $cfg 163} 164 165# ifn_stop ifn 166# Shutdown and de-configure an interface. 167# 168ifn_stop() 169{ 170 local ifn cfg 171 ifn="$1" 172 cfg=1 173 174 [ -z "$ifn" ] && err 1 "ifn_stop called without an interface" 175 176 ifalias_down ${ifn} && cfg=0 177 ifconfig_down ${ifn} && cfg=0 178 ifscript_down ${ifn} && cfg=0 179 childif_destroy ${ifn} && cfg=0 180 181 return $cfg 182} 183 184# childif_create 185# Create and configure child interfaces. Return 0 if child 186# interfaces are created. 187# 188childif_create() 189{ 190 local cfg child child_vlans child_wlans create_args debug_flags ifn i 191 cfg=1 192 ifn=$1 193 194 # Create wireless interfaces 195 child_wlans=`get_if_var $ifn wlans_IF` 196 197 for child in ${child_wlans}; do 198 create_args="wlandev $ifn `get_if_var $child create_args_IF`" 199 debug_flags="`get_if_var $child wlandebug_IF`" 200 201 if expr $child : 'wlan[0-9][0-9]*$' >/dev/null 2>&1; then 202 ifconfig $child create ${create_args} && cfg=0 203 if [ -n "${debug_flags}" ]; then 204 wlandebug -i $child ${debug_flags} 205 fi 206 else 207 i=`ifconfig wlan create ${create_args}` 208 if [ -n "${debug_flags}" ]; then 209 wlandebug -i $i ${debug_flags} 210 fi 211 ifconfig $i name $child && cfg=0 212 fi 213 ifn_start $child 214 done 215 216 # Create vlan interfaces 217 child_vlans=`get_if_var $ifn vlans_IF` 218 219 for child in ${child_vlans}; do 220 if expr $child : '[1-9][0-9]*$' >/dev/null 2>&1; then 221 child="${ifn}.${child}" 222 create_args=`get_if_var $child create_args_IF` 223 ifconfig $child create ${create_args} && cfg=0 224 else 225 create_args="vlandev $ifn `get_if_var $child create_args_IF`" 226 if expr $child : 'vlan[0-9][0-9]*$' >/dev/null 2>&1; then 227 ifconfig $child create ${create_args} && cfg=0 228 else 229 i=`ifconfig vlan create ${create_args}` 230 ifconfig $i name $child && cfg=0 231 fi 232 fi 233 ifn_start $child 234 done 235 236 return ${cfg} 237} 238 239# childif_destroy 240# Destroy child interfaces. 241# 242childif_destroy() 243{ 244 local cfg child child_vlans child_wlans ifn 245 cfg=1 246 247 child_wlans=`get_if_var $ifn wlans_IF` 248 for child in ${child_wlans}; do 249 if ! `ifconfig -n $child > /dev/null 2>&1`; then 250 continue 251 fi 252 ifn_stop $child 253 ifconfig $child destroy && cfg=0 254 done 255 256 return ${cfg} 257} 258 259# Load the old "network" config file also for compatibility 260load_rc_config network 261load_rc_config $name 262run_rc_command $* 263