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# $DragonFly: src/etc/rc.d/netif,v 1.8 2008/07/06 23:56:32 thomas Exp $ 27# 28 29# PROVIDE: netif 30# REQUIRE: atm1 ipfilter mountcritlocal serial sppp sysctl tty 31 32. /etc/rc.subr 33. /etc/network.subr 34 35name="network" 36start_cmd="network_start" 37stop_cmd="network_stop" 38cloneup_cmd="clone_up" 39clonedown_cmd="clone_down" 40extra_commands="cloneup clonedown" 41_cmdifn= 42 43network_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 network_common ifn_start verbose 66 67 # Give our interfaces a little time to come up 68 # before we start pounding them. In particular, dhclient 69 # and named can get mightily confused. 70 sleep 2 71 72 # Resync ipfilter 73 /etc/rc.d/ipfilter resync 74} 75 76network_stop() 77{ 78 # Set the list of interfaces to work on. 79 # 80 _cmdifn=$* 81 82 echo -n "Stopping network:" 83 84 # Deconfigure the interface(s) 85 network_common ifn_stop 86 echo '.' 87} 88 89# network_common routine verbose 90# Common configuration subroutine for network interfaces. This 91# routine takes all the preparatory steps needed for configuring 92# an interface and then calls $routine. If $verbose is specified, 93# it will call ifconfig(8) to show, in long format, the configured 94# interfaces. If $verbose is not given, it will simply output the 95# configured interface(s). 96network_common() 97{ 98 _func= 99 _verbose= 100 101 if [ -z "$1" ]; then 102 err 1 "network_common(): No function name specified." 103 else 104 _func="$1" 105 fi 106 [ -n "$2" ] && _verbose=yes 107 108 # Get a list of network interfaces. 109 _ifn_list="`list_net_interfaces`" 110 111 # Set the scope of the command (all interfaces or just one). 112 # 113 _cooked_list= 114 if [ -n "$_cmdifn" ]; then 115 for i in $_cmdifn ; do 116 eval _if=\"`expr "$_ifn_list" : ".*\(${i}\).*"`\" 117 if [ -z "$_if" ]; then 118 err 1 "No such network interface: $i" 119 fi 120 _cooked_list="$_cooked_list $_if" 121 done 122 else 123 _cooked_list="$_ifn_list" 124 fi 125 126 for ifn in ${_cooked_list}; do 127 if ${_func} ${ifn} ; then 128 eval showstat_$ifn=1 129 else 130 _fail="$_fail $ifn" 131 fi 132 done 133 134 # Display interfaces configured by this script 135 # 136 for ifn in ${_cooked_list}; do 137 eval showstat=\$showstat_${ifn} 138 if [ ! -z ${showstat} ]; then 139 if [ -n "$_verbose" ]; then 140 ifconfig ${ifn} 141 else 142 echo -n " ${ifn}" 143 fi 144 fi 145 done 146 debug "The following interfaces were not configured: $_fail" 147} 148 149ifn_start() 150{ 151 local ifn cfg 152 ifn="$1" 153 cfg=1 154 155 [ -z "$ifn" ] && return 1 156 157 ifscript_up ${ifn} && cfg=0 158 ifconfig_up ${ifn} && cfg=0 159 ifalias_up ${ifn} && cfg=0 160 ipx_up ${ifn} && cfg=0 161 childif_create ${ifn} && cfg=0 162 163 return $cfg 164} 165 166ifn_stop() 167{ 168 local ifn cfg 169 ifn="$1" 170 cfg=1 171 172 [ -z "$ifn" ] && return 1 173 174 ipx_down ${ifn} && cfg=0 175 ifalias_down ${ifn} && cfg=0 176 ifconfig_down ${ifn} && cfg=0 177 ifscript_down ${ifn} && cfg=0 178 childif_destroy ${ifn} && cfg=0 179 180 return $cfg 181} 182 183# get_if_var if var [default] 184# Return the value of the pseudo-hash corresponding to $if where 185# $var is a string containg the sub-string "IF" which will be 186# replaced with $if after the characters defined in _punct are 187# replaced with '_'. If the variable is unset, replace it with 188# $default if given. 189get_if_var() 190{ 191 local _if _punct _var _default prefix suffix 192 193 if [ $# -ne 2 -a $# -ne 3 ]; then 194 err 3 'USAGE: get_if_var name var [default]' 195 fi 196 197 _if=$1 198 _punct=". - / +" 199 for _punct_c in $_punct; do 200 _if=`ltr ${_if} ${_punct_c} '_'` 201 done 202 _var=$2 203 _default=$3 204 205 prefix=${_var%%IF*} 206 suffix=${_var##*IF} 207 eval echo \${${prefix}${_if}${suffix}-${_default}} 208} 209 210# childif_create 211# Create and configure child interfaces. Return 0 if child 212# interfaces are created. 213# 214childif_create() 215{ 216 local cfg child child_vlans child_wlans create_args debug_flags ifn i 217 cfg=1 218 ifn=$1 219 220 # Create wireless interfaces 221 child_wlans=`get_if_var $ifn wlans_IF` 222 223 for child in ${child_wlans}; do 224 create_args="wlandev $ifn `get_if_var $child create_args_IF`" 225 debug_flags="`get_if_var $child wlandebug_IF`" 226 227 if expr $child : 'wlan[0-9][0-9]*$' >/dev/null 2>&1; then 228 ifconfig $child create ${create_args} && cfg=0 229 if [ -n "${debug_flags}" ]; then 230 wlandebug -i $child ${debug_flags} 231 fi 232 else 233 i=`ifconfig wlan create ${create_args}` 234 if [ -n "${debug_flags}" ]; then 235 wlandebug -i $i ${debug_flags} 236 fi 237 ifconfig $i name $child && cfg=0 238 fi 239 ifn_start $child 240 done 241 242 return ${cfg} 243} 244 245# childif_destroy 246# Destroy child interfaces. 247# 248childif_destroy() 249{ 250 local cfg child child_vlans child_wlans ifn 251 cfg=1 252 253 child_wlans=`get_if_var $ifn wlans_IF` 254 for child in ${child_wlans}; do 255 if ! `ifconfig -n $child > /dev/null 2>&1`; then 256 continue 257 fi 258 ifn_stop $child 259 ifconfig $child destroy && cfg=0 260 done 261 262 return ${cfg} 263} 264 265load_rc_config $name 266run_rc_command $* 267