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: src/etc/rc.d/netif,v 1.2 2003/06/29 05:34:41 mtm Exp $
  26 #
  27
  28 # PROVIDE: netif
  29 # REQUIRE: FILESYSTEMS
  30 # REQUIRE: hostname sysctl
  31 # BEFORE:  NETWORKING
  32
  33 . /etc/rc.subr
  34 . /etc/network.subr
  35
  36 name="netif"
  37 rcvar=`set_rcvar`
  38 start_cmd="netif_start"
  39 stop_cmd="netif_stop"
  40 cloneup_cmd="clone_up"
  41 clonedown_cmd="clone_down"
  42 wlanup_cmd="wlan_up"
  43 wlandown_cmd="wlan_down"
  44 extra_commands="cloneup clonedown wlanup wlandown"
  45 _cmdifn=
  46
  47 netif_start()
  48 {
  49         # Set the list of interfaces to work on.
  50         #
  51         _cmdifn=$*
  52
  53         if [ -z "$_cmdifn" ]; then
  54                 #
  55                 # We're operating as a general network start routine.
  56                 #
  57
  58                 # Create IEEE 802.11 interfaces
  59                 wlan_up
  60
  61                 # Create cloned interfaces
  62                 clone_up
  63
  64                 # Create IPv6<-->IPv4 tunnels
  65                 gif_up
  66
  67                 # Rename interfaces.
  68                 ifnet_rename
  69         fi
  70
  71         # Configure the interface(s).
  72         netif_common ifn_start verbose
  73 }
  74
  75 netif_stop()
  76 {
  77         # Set the list of interfaces to work on.
  78         #
  79         _cmdifn=$*
  80
  81         echo -n "Stopping network:"
  82
  83         # Deconfigure the interface(s)
  84         netif_common ifn_stop
  85         echo '.'
  86 }
  87
  88 # netif_common routine verbose
  89 #       Common configuration subroutine for network interfaces. This
  90 #       routine takes all the preparatory steps needed for configuring
  91 #       an interface and then calls $routine. If $verbose is specified,
  92 #       it will call ifconfig(8) to show, in long format, the configured
  93 #       interfaces. If $verbose is not given, it will simply output the
  94 #       configured interface(s).
  95 #
  96 netif_common()
  97 {
  98         _func=
  99         _verbose=
 100
 101         if [ -z "$1" ]; then
 102                 err 1 "netif_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
 149 # ifn_start ifn
 150 #       Bring up and configure an interface.
 151 #
 152 ifn_start()
 153 {
 154         local ifn cfg
 155         ifn="$1"
 156         cfg=1
 157
 158         [ -z "$ifn" ] && err 1 "ifn_start called without an interface"
 159
 160         ifscript_up ${ifn} && cfg=0
 161         ifconfig_up ${ifn} && cfg=0
 162         ifalias_up ${ifn} && cfg=0
 163         childif_create ${ifn} && cfg=0
 164
 165         return $cfg
 166 }
 167
 168 # ifn_stop ifn
 169 #       Shutdown and de-configure an interface.
 170 #
 171 ifn_stop()
 172 {
 173         local ifn cfg
 174         ifn="$1"
 175         cfg=1
 176
 177         [ -z "$ifn" ] && err 1 "ifn_stop called without an interface"
 178
 179         childif_destroy ${ifn} && cfg=0
 180         ifalias_down ${ifn} && cfg=0
 181         ifconfig_down ${ifn} && cfg=0
 182         ifscript_down ${ifn} && cfg=0
 183
 184         return $cfg
 185 }
 186
 187 # childif_create ifn
 188 #       Create and configure child interfaces.  Return 0 if child
 189 #       interfaces are created.
 190 #
 191 childif_create()
 192 {
 193         local cfg child child_vlans create_args ifn i
 194         cfg=1
 195         ifn=$1
 196
 197         # Create vlan interfaces
 198         child_vlans=`get_if_var $ifn vlans_IF`
 199
 200         for child in ${child_vlans}; do
 201                 if expr $child : '[1-9][0-9]*$' >/dev/null 2>&1; then
 202                         child="${ifn}.${child}"
 203                         create_args=`get_if_var $child create_args_IF`
 204                         ifconfig $child create ${create_args} && cfg=0
 205                 else
 206                         create_args="vlandev $ifn `get_if_var $child create_args_IF`"
 207                         if expr $child : 'vlan[0-9][0-9]*$' >/dev/null 2>&1; then
 208                                 ifconfig $child create ${create_args} && cfg=0
 209                         else
 210                                 i=`ifconfig vlan create ${create_args}`
 211                                 ifconfig $i name $child && cfg=0
 212                         fi
 213                 fi
 214                 ifn_start $child
 215         done
 216
 217         return ${cfg}
 218 }
 219
 220 # childif_destroy ifn
 221 #       Destroy child interfaces.
 222 #
 223 childif_destroy()
 224 {
 225         local cfg child child_vlans ifn
 226         cfg=1
 227         ifn=$1
 228
 229         child_vlans=`get_if_var $ifn vlans_IF`
 230         for child in ${child_vlans}; do
 231                 if expr $child : '[1-9][0-9]*$' >/dev/null 2>&1; then
 232                         child="${ifn}.${child}"
 233                 fi
 234                 if ! ifexists $child; then
 235                         continue
 236                 fi
 237                 ifn_stop $child
 238                 ifconfig $child destroy && cfg=0
 239         done
 240
 241         return ${cfg}
 242 }
 243
 244 # Load the old "network" config file also for compatibility
 245 load_rc_config network
 246 load_rc_config $name
 247 run_rc_command $*