63 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			63 lines
		
	
	
		
			1.4 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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		[ -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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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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[ "$proto" = "static" ] && {
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	env -i ACTION="ifdown" INTERFACE="$config" 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 "$cfg" type
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[ "$iftype" = "bridge" ] && brctl delbr "$ifname" >/dev/null 2>/dev/null
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