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" 40wlanup_cmd="wlan_up" 41wlandown_cmd="wlan_down" 42extra_commands="cloneup clonedown wlanup wlandown" 43_cmdifn= 44 45netif_start() 46{ 47 # Set the list of interfaces to work on. 48 # 49 _cmdifn=$* 50 51 if [ -z "$_cmdifn" ]; then 52 # 53 # We're operating as a general network start routine. 54 # 55 56 # Create IEEE 802.11 interfaces 57 wlan_up 58 59 # Create cloned interfaces 60 clone_up 61 62 # Create IPv6<-->IPv4 tunnels 63 gif_up 64 65 # Rename interfaces. 66 ifnet_rename 67 fi 68 69 # Configure the interface(s). 70 netif_common ifn_start verbose 71} 72 73netif_stop() 74{ 75 # Set the list of interfaces to work on. 76 # 77 _cmdifn=$* 78 79 echo -n "Stopping network:" 80 81 # Deconfigure the interface(s) 82 netif_common ifn_stop 83 echo '.' 84} 85 86# netif_common routine verbose 87# Common configuration subroutine for network interfaces. This 88# routine takes all the preparatory steps needed for configuring 89# an interface and then calls $routine. If $verbose is specified, 90# it will call ifconfig(8) to show, in long format, the configured 91# interfaces. If $verbose is not given, it will simply output the 92# configured interface(s). 93# 94netif_common() 95{ 96 _func= 97 _verbose= 98 99 if [ -z "$1" ]; then 100 err 1 "netif_common(): No function name specified." 101 else 102 _func="$1" 103 fi 104 [ -n "$2" ] && _verbose=yes 105 106 # Get a list of network interfaces. 107 _ifn_list="`list_net_interfaces`" 108 109 # Set the scope of the command (all interfaces or just one). 110 # 111 _cooked_list= 112 if [ -n "$_cmdifn" ]; then 113 for i in $_cmdifn ; do 114 eval _if=\"`expr "$_ifn_list" : ".*\(${i}\).*"`\" 115 if [ -z "$_if" ]; then 116 err 1 "No such network interface: $i" 117 fi 118 _cooked_list="$_cooked_list $_if" 119 done 120 else 121 _cooked_list="$_ifn_list" 122 fi 123 124 for ifn in ${_cooked_list}; do 125 if ${_func} ${ifn} ; then 126 eval showstat_$ifn=1 127 else 128 _fail="$_fail $ifn" 129 fi 130 done 131 132 # Display interfaces configured by this script 133 # 134 for ifn in ${_cooked_list}; do 135 eval showstat=\$showstat_${ifn} 136 if [ ! -z ${showstat} ]; then 137 if [ -n "$_verbose" ]; then 138 ifconfig ${ifn} 139 else 140 echo -n " ${ifn}" 141 fi 142 fi 143 done 144 debug "The following interfaces were not configured: $_fail" 145} 146 147# ifn_start ifn 148# Bring up and configure an interface. 149# 150ifn_start() 151{ 152 local ifn cfg 153 ifn="$1" 154 cfg=1 155 156 [ -z "$ifn" ] && err 1 "ifn_start called without an interface" 157 158 ifscript_up ${ifn} && cfg=0 159 ifconfig_up ${ifn} && cfg=0 160 ifalias_up ${ifn} && cfg=0 161 childif_create ${ifn} && cfg=0 162 163 return $cfg 164} 165 166# ifn_stop ifn 167# Shutdown and de-configure an interface. 168# 169ifn_stop() 170{ 171 local ifn cfg 172 ifn="$1" 173 cfg=1 174 175 [ -z "$ifn" ] && err 1 "ifn_stop called without an interface" 176 177 childif_destroy ${ifn} && cfg=0 178 ifalias_down ${ifn} && cfg=0 179 ifconfig_down ${ifn} && cfg=0 180 ifscript_down ${ifn} && cfg=0 181 182 return $cfg 183} 184 185# childif_create ifn 186# Create and configure child interfaces. Return 0 if child 187# interfaces are created. 188# 189childif_create() 190{ 191 local cfg child child_vlans create_args ifn i 192 cfg=1 193 ifn=$1 194 195 # Create vlan interfaces 196 child_vlans=`get_if_var $ifn vlans_IF` 197 198 for child in ${child_vlans}; do 199 if expr $child : '[1-9][0-9]*$' >/dev/null 2>&1; then 200 child="${ifn}.${child}" 201 create_args=`get_if_var $child create_args_IF` 202 ifconfig $child create ${create_args} && cfg=0 203 else 204 create_args="vlandev $ifn `get_if_var $child create_args_IF`" 205 if expr $child : 'vlan[0-9][0-9]*$' >/dev/null 2>&1; then 206 ifconfig $child create ${create_args} && cfg=0 207 else 208 i=`ifconfig vlan create ${create_args}` 209 ifconfig $i name $child && cfg=0 210 fi 211 fi 212 ifn_start $child 213 done 214 215 return ${cfg} 216} 217 218# childif_destroy ifn 219# Destroy child interfaces. 220# 221childif_destroy() 222{ 223 local cfg child child_vlans ifn 224 cfg=1 225 ifn=$1 226 227 child_vlans=`get_if_var $ifn vlans_IF` 228 for child in ${child_vlans}; do 229 if expr $child : '[1-9][0-9]*$' >/dev/null 2>&1; then 230 child="${ifn}.${child}" 231 fi 232 if ! ifexists $child; then 233 continue 234 fi 235 ifn_stop $child 236 ifconfig $child destroy && cfg=0 237 done 238 239 return ${cfg} 240} 241 242# Load the old "network" config file also for compatibility 243load_rc_config network 244load_rc_config $name 245run_rc_command $* 246