package/base-files/default/sbin/ifdown

   1 #!/bin/sh
   2 [ $# = 0 ] && { echo "  $0 <group>"; exit; }
   3 . /etc/functions.sh
   4
   5 type=$1
   6 debug "### ifdown $type ###"
   7
   8 if=$(nvram get ${type}_ifname)
   9 proto=$(nvram get ${type}_proto)
  10 if_valid $if && $DEBUG ifconfig $if down
  11 [ -r /var/run/${if}.pid ] && kill $(cat /var/run/${if}.pid 2>&-) 2>&-
  12 killall ifup.$proto >&- 2>&-
  13 [ -x "/sbin/ifdown.$proto" ] && /sbin/ifdown.$proto "$type"
  14 case "$proto" in
  15         pptp|pppoe) killall pppd >&- 2>&- ;;
  16         static) env -i ACTION="ifdown" INTERFACE="$type" PROTO=static /sbin/hotplug "iface" ;;
  17 esac
  18