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: atm1 cleanvar mountcritlocal serial sppp sysctl tty 30 31. /etc/rc.subr 32. /etc/network.subr 33 34name="network" 35start_cmd="network_start" 36stop_cmd="network_stop" 37cloneup_cmd="clone_up" 38clonedown_cmd="clone_down" 39extra_commands="cloneup clonedown" 40_cmdifn= 41 42network_start() 43{ 44 # Set the list of interfaces to work on. 45 # 46 _cmdifn=$* 47 48 if [ -z "$_cmdifn" ]; then 49 # 50 # We're operating as a general network start routine. 51 # 52 53 # Create cloned interfaces 54 clone_up 55 56 # Create IPv6<-->IPv4 tunnels 57 gif_up 58 59 # Rename interfaces. 60 ifnet_rename 61 fi 62 63 # Configure the interface(s). 64 network_common ifn_start verbose 65 66 # Give our interfaces a little time to come up 67 # before we start pounding them. In particular, dhclient 68 # and named can get mightily confused. 69 sleep 2 70} 71 72network_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 network_common ifn_stop 82 echo '.' 83} 84 85# network_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). 92network_common() 93{ 94 _func= 95 _verbose= 96 97 if [ -z "$1" ]; then 98 err 1 "network_common(): No function name specified." 99 else 100 _func="$1" 101 fi 102 [ -n "$2" ] && _verbose=yes 103 104 # Get a list of network interfaces. 105 _ifn_list="`list_net_interfaces`" 106 107 # Set the scope of the command (all interfaces or just one). 108 # 109 _cooked_list= 110 if [ -n "$_cmdifn" ]; then 111 for i in $_cmdifn ; do 112 eval _if=\"`expr "$_ifn_list" : ".*\(${i}\).*"`\" 113 if [ -z "$_if" ]; then 114 err 1 "No such network interface: $i" 115 fi 116 _cooked_list="$_cooked_list $_if" 117 done 118 else 119 _cooked_list="$_ifn_list" 120 fi 121 122 for ifn in ${_cooked_list}; do 123 if ${_func} ${ifn} ; then 124 eval showstat_$ifn=1 125 else 126 _fail="$_fail $ifn" 127 fi 128 done 129 130 # Display interfaces configured by this script 131 # 132 for ifn in ${_cooked_list}; do 133 eval showstat=\$showstat_${ifn} 134 if [ ! -z ${showstat} ]; then 135 if [ -n "$_verbose" ]; then 136 ifconfig ${ifn} 137 else 138 echo -n " ${ifn}" 139 fi 140 fi 141 done 142 debug "The following interfaces were not configured: $_fail" 143} 144 145ifn_start() 146{ 147 local ifn cfg 148 ifn="$1" 149 cfg=1 150 151 [ -z "$ifn" ] && return 1 152 153 ifscript_up ${ifn} && cfg=0 154 ifconfig_up ${ifn} && cfg=0 155 ifalias_up ${ifn} && cfg=0 156 ipx_up ${ifn} && cfg=0 157 childif_create ${ifn} && cfg=0 158 159 return $cfg 160} 161 162ifn_stop() 163{ 164 local ifn cfg 165 ifn="$1" 166 cfg=1 167 168 [ -z "$ifn" ] && return 1 169 170 ipx_down ${ifn} && cfg=0 171 ifalias_down ${ifn} && cfg=0 172 ifconfig_down ${ifn} && cfg=0 173 ifscript_down ${ifn} && cfg=0 174 childif_destroy ${ifn} && cfg=0 175 176 return $cfg 177} 178 179# get_if_var if var [default] 180# Return the value of the pseudo-hash corresponding to $if where 181# $var is a string containg the sub-string "IF" which will be 182# replaced with $if after the characters defined in _punct are 183# replaced with '_'. If the variable is unset, replace it with 184# $default if given. 185get_if_var() 186{ 187 local _if _punct _var _default prefix suffix 188 189 if [ $# -ne 2 -a $# -ne 3 ]; then 190 err 3 'USAGE: get_if_var name var [default]' 191 fi 192 193 _if=$1 194 _punct=". - / +" 195 for _punct_c in $_punct; do 196 _if=`ltr ${_if} ${_punct_c} '_'` 197 done 198 _var=$2 199 _default=$3 200 201 prefix=${_var%%IF*} 202 suffix=${_var##*IF} 203 eval echo \${${prefix}${_if}${suffix}-${_default}} 204} 205 206# childif_create 207# Create and configure child interfaces. Return 0 if child 208# interfaces are created. 209# 210childif_create() 211{ 212 local cfg child child_vlans child_wlans create_args debug_flags ifn i 213 cfg=1 214 ifn=$1 215 216 # Create wireless interfaces 217 child_wlans=`get_if_var $ifn wlans_IF` 218 219 for child in ${child_wlans}; do 220 create_args="wlandev $ifn `get_if_var $child create_args_IF`" 221 debug_flags="`get_if_var $child wlandebug_IF`" 222 223 if expr $child : 'wlan[0-9][0-9]*$' >/dev/null 2>&1; then 224 ifconfig $child create ${create_args} && cfg=0 225 if [ -n "${debug_flags}" ]; then 226 wlandebug -i $child ${debug_flags} 227 fi 228 else 229 i=`ifconfig wlan create ${create_args}` 230 if [ -n "${debug_flags}" ]; then 231 wlandebug -i $i ${debug_flags} 232 fi 233 ifconfig $i name $child && cfg=0 234 fi 235 ifn_start $child 236 done 237 238 return ${cfg} 239} 240 241# childif_destroy 242# Destroy child interfaces. 243# 244childif_destroy() 245{ 246 local cfg child child_vlans child_wlans ifn 247 cfg=1 248 249 child_wlans=`get_if_var $ifn wlans_IF` 250 for child in ${child_wlans}; do 251 if ! `ifconfig -n $child > /dev/null 2>&1`; then 252 continue 253 fi 254 ifn_stop $child 255 ifconfig $child destroy && cfg=0 256 done 257 258 return ${cfg} 259} 260 261load_rc_config $name 262run_rc_command $* 263