openwrtv4/package/base-files/default/sbin/ifdown
2016-03-20 17:29:15 +01:00

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#!/bin/sh
# Copyright (C) 2006 OpenWrt.org
[ $# = 0 ] && { echo " $0 <group>"; exit; }
. /etc/functions.sh
include /lib/network
scan_interfaces
cfg=$1
debug "### ifdown $cfg ###"
config_get proto "$cfg" proto
[ -z "$proto" ] && { echo "interface not found."; exit; }
# kill active ppp daemon
pid="$(cat /var/run/ppp-${cfg}.pid 2>/dev/null)"
[ -n "$pid" -a -d "/proc/$pid" ] && {
kill $pid
sleep 1
[ -d "/proc/$pid" ] && kill -9 $pid
}
# kill any other process associated with the interface
config_get ifname "$cfg" ifname
pid="$(cat /var/run/${ifname}.pid 2>/dev/null)"
[ -n "$pid" -a -d "/proc/$pid" ] && kill -9 $pid
config_get ifname "$cfg" ifname
ifconfig "$ifname" >/dev/null 2>/dev/null && {
ifconfig "$ifname" 0.0.0.0 down
config_get iftype "$cfg" type
[ "$iftype" = "bridge" ] && brctl delbr "$ifname"
}