diff options
Diffstat (limited to 'package/base-files/files/sbin/ifdown')
| -rwxr-xr-x | package/base-files/files/sbin/ifdown | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/package/base-files/files/sbin/ifdown b/package/base-files/files/sbin/ifdown new file mode 100755 index 0000000000..26d0e626d2 --- /dev/null +++ b/package/base-files/files/sbin/ifdown @@ -0,0 +1,55 @@ +#!/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 "$proto" ] && { echo "interface not found."; exit; } + +config_get iface "$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 + |