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51 lines
1.2 KiB
Bash
Executable File
51 lines
1.2 KiB
Bash
Executable File
#!/bin/sh
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# Copyright (C) 2006 OpenWrt.org
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[ $# = 0 ] && { echo " $0 <group>"; exit; }
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. /etc/functions.sh
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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 "$proto" ] && { echo "interface not found."; exit; }
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# call interface stop handler
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( type "stop_interface_$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 "$cfg" ifname
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pids="$(cat /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 "$cfg" ifname
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[ ."$device" != ."$ifname" ] || device=
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for dev in $ifname $device; do
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ifconfig "$ifname" 0.0.0.0 down >/dev/null 2>/dev/null
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done
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config_get iftype "$cfg" type
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[ "$iftype" = "bridge" ] && brctl delbr "$ifname" >/dev/null 2>/dev/null
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