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git://git.openwrt.org/openwrt/openwrt.git
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71 lines
1.6 KiB
Bash
Executable File
71 lines
1.6 KiB
Bash
Executable File
#!/bin/sh
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# Copyright (C) 2006 OpenWrt.org
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. /etc/functions.sh
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[ $# = 0 ] && { echo " $0 <group>"; exit; }
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[ "x$1" = "x-a" ] && {
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config_cb() {
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[ interface != "$1" -o -z "$2" ] || eval "$0 $2"
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}
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config_load network
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exit
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}
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config_load /var/state/network
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# remove the interface's network state
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FILE=/var/state/network.$$
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grep -v "^config_set '$1' " /var/state/network > "$FILE"
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mv "$FILE" /var/state/network
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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" = "$proto" ] && {
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env -i ACTION="ifdown" INTERFACE="$cfg" DEVICE="$iface" PROTO=static /sbin/hotplug-call "iface" &
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}
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# call interface stop handler
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( type "stop_interface_$proto" ) >/dev/null 2>/dev/null && eval "stop_interface_$proto '$cfg'"
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# make sure all locks are removed
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for lock in "/var/lock/dhcp-$iface" "/var/lock/ppp-$iface"; do
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[ -f "$lock" ] && {
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lock -u "$lock"
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sleep 1
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}
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done
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# kill active ppp daemon and other processes
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config_get ifname "$cfg" ifname
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pids="$(head -n1 -q /var/run/${ifname}.pid /var/run/ppp-${cfg}.pid 2>/dev/null)"
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for pid in $pids; do
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[ -d "/proc/$pid" ] && {
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kill $pid
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[ -d "/proc/$pid" ] && {
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sleep 1
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kill -9 $pid 2>/dev/null >/dev/null
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}
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}
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done
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rm -f /var/run/${ifname}.pid /var/run/ppp-${cfg}.pid
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config_get ifname "$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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