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58 lines
1.3 KiB
Bash
58 lines
1.3 KiB
Bash
#!/bin/sh
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# Copyright (C) 2006-2011 OpenWrt.org
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. /etc/functions.sh
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[ $# = 0 ] && { echo " $0 <group>"; exit; }
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case "$1" in
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"-a")
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[ -e "/tmp/resolv.conf.auto" ] && rm /tmp/resolv.conf.auto
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config_cb() {
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[ interface != "$1" -o -z "$2" ] || eval "$0 -w $2"
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}
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config_load network
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exit 0
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;;
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"-w") shift ;;
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esac
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include /lib/network
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scan_interfaces
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cfg=$1
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debug "### ifdown $cfg ###"
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config_get proto "$cfg" proto
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[ -z "$proto" ] && { echo "interface not found."; exit; }
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config_get iface "$cfg" device
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[ "static" = "$proto" -o "none" = "$proto" ] && {
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env -i ACTION="ifdown" INTERFACE="$cfg" DEVICE="$iface" PROTO="$proto" /sbin/hotplug-call "iface"
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}
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# call interface stop handler
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( type "stop_interface_$proto" ) >/dev/null 2>/dev/null && eval "stop_interface_$proto '$cfg'"
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config_get ifname "$cfg" ifname
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config_get device "$cfg" device
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[ ."$device" != ."$ifname" ] || device=
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for dev in $ifname $device; do
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ifconfig "$dev" 0.0.0.0 down >/dev/null 2>/dev/null
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done
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config_get iftype "$cfg" type
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[ "bridge" = "$iftype" ] && brctl delbr "$ifname" >/dev/null 2>/dev/null
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# remove the interface's dns entries
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remove_dns "$cfg"
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# remove the interface's network state
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uci_revert_state network "$1"
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# revert aliases state as well
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config_get aliases "$1" aliases
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for config in $aliases; do
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uci_revert_state network "$config"
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done
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