package/base-files-network/files/sbin/ifdown

   1 #!/bin/sh
   2 # Copyright (C) 2006-2011 OpenWrt.org
   3
   4 . /etc/functions.sh
   5 [ $# = 0 ] && { echo "  $0 <group>"; exit; }
   6
   7 case "$1" in
   8         "-a")
   9                 [ -e "/tmp/resolv.conf.auto" ] && rm /tmp/resolv.conf.auto
  10                 config_cb() {
  11                         [ interface != "$1" -o -z "$2" ] || eval "$0 -w $2"
  12                 }
  13                 config_load network
  14                 exit 0
  15         ;;
  16         "-w") shift ;;
  17 esac
  18
  19 include /lib/network
  20 scan_interfaces
  21
  22 cfg=$1
  23 debug "### ifdown $cfg ###"
  24
  25 config_get proto "$cfg" proto
  26 [ -z "$proto" ] && { echo "interface not found."; exit; }
  27
  28 config_get iface "$cfg" device
  29 [ "static" = "$proto" -o "none" = "$proto" ] && {
  30         env -i ACTION="ifdown" INTERFACE="$cfg" DEVICE="$iface" PROTO="$proto" /sbin/hotplug-call "iface"
  31 }
  32
  33 # call interface stop handler
  34 ( type "stop_interface_$proto" ) >/dev/null 2>/dev/null && eval "stop_interface_$proto '$cfg'"
  35
  36 config_get ifname "$cfg" ifname
  37 config_get device "$cfg" device
  38
  39 [ ."$device" != ."$ifname" ] || device=
  40 for dev in $ifname $device; do
  41         ifconfig "$dev" 0.0.0.0 down >/dev/null 2>/dev/null
  42 done
  43
  44 config_get iftype "$cfg" type
  45 [ "bridge" = "$iftype" ] && brctl delbr "$ifname" >/dev/null 2>/dev/null
  46
  47 # remove the interface's dns entries
  48 remove_dns "$cfg"
  49
  50 # remove the interface's network state
  51 uci_revert_state network "$1"
  52
  53 # revert aliases state as well
  54 config_get aliases "$1" aliases
  55 for config in $aliases; do
  56         uci_revert_state network "$config"
  57 done