#!/bin/sh # Copyright (C) 2006 OpenWrt.org [ $# = 0 ] && { echo " $0 "; exit; } . /etc/functions.sh include /lib/network scan_interfaces cfg=$1 debug "### ifdown $cfg ###" config_get proto "$cfg" proto [ -z "$proto" ] && { echo "interface not found."; exit; } config_get iface "$cfg" device [ "$proto" = "static" ] && { env -i ACTION="ifdown" INTERFACE="$config" DEVICE="$iface" PROTO=static /sbin/hotplug "iface" & } # call interface stop handler ( type "stop_interface_$proto" ) >/dev/null 2>/dev/null && eval "stop_interface_$proto '$cfg'" # make sure all locks are removed for lock in "/var/lock/dhcp-$iface" "/var/lock/ppp-$iface"; do [ -f "$lock" ] && { lock -u "$lock" sleep 1 } done # kill active ppp daemon and other processes config_get ifname "$cfg" ifname pids="$(head -n1 -q /var/run/${ifname}.pid /var/run/ppp-${cfg}.pid 2>/dev/null)" for pid in $pids; do [ -d "/proc/$pid" ] && { kill $pid [ -d "/proc/$pid" ] && { sleep 1 kill -9 $pid 2>/dev/null >/dev/null } } done rm -f /var/run/${ifname}.pid /var/run/ppp-${cfg}.pid config_get ifname "$cfg" ifname config_get device "$cfg" ifname [ ."$device" != ."$ifname" ] || device= for dev in $ifname $device; do ifconfig "$ifname" 0.0.0.0 down >/dev/null 2>/dev/null done config_get iftype "$cfg" type [ "$iftype" = "bridge" ] && brctl delbr "$ifname" >/dev/null 2>/dev/null