#!/bin/sh
#
#
PATH=/sbin:/usr/sbin:/bin:/usr/bin

run_pre_down() { :; }

. /etc/sysconfig/network
. /etc/rc.d/init.d/functions
. /lib/rc-scripts/functions.network

# Will be removed in the future
if is_yes "$NETWORKING" ; then
	if [ -z "$IPV4_NETWORKING" ] ; then
		echo "NETWORKING is set to YES, but IPV4_NETWORKING is empty!"
		echo "Please upgrade your config"
		echo "Assuming you want IPv4 networking"
		IPV4_NETWORKING=yes
	fi
fi

DEV=$1

[ -z "$DEV" ] && {
	nls "Usage: %s <device name>" "ifdown" >&2
	exit 1
}

if [ -f "/etc/sysconfig/interfaces/ifcfg-$DEV" ] ; then
	CONFIG="/etc/sysconfig/interfaces/ifcfg-$DEV"
else
	CONFIG="$DEV"
fi

if [ "$(id -u)" != "0" ]; then
	if [ -x /sbin/usernetctl ]; then
		exec /sbin/usernetctl $CONFIG down
	fi
	echo "Users cannot control this device." >&2
	exit 1
fi

source_config

# set all major variables
setup_ip_param

# anything you need done first
run_pre_down

OTHERSCRIPT="/lib/rc-scripts/ifdown-${DEVICETYPE}"

# shutdown tleds software
if [ "$TLEDS_DEV" = "$DEVICE" -a -x /usr/bin/tleds ]; then
	/usr/bin/tleds -qk "$DEVICE"
fi

if [ -x $OTHERSCRIPT ]; then
	if [ "$HANDLING" = "0" ]; then
		exec $OTHERSCRIPT $CONFIG $2
	elif [ "$HANDLING" = "1" ]; then
		$OTHERSCRIPT $CONFIG $2
	fi
fi

if is_yes "$ENABLE_6TO4"; then
	tun6to4=tun6to4_$DEVICE 
	/sbin/ip -6 route flush dev $tun6to4 2>/dev/null
	if [ $? = 0 ]; then   # the tunnel has been set up in ifup
		/sbin/ip link set dev $tun6to4 down
		/sbin/ip tunnel del $tun6to4
	fi
fi

if [ -n "$BOOTPROTO" -a "$BOOTPROTO" != "none" -a "$BOOTPROTO" != "static" ]; then
	if is_yes "$IPV4_NETWORKING"; then
		set_dhcpclient

		case ${DHCP_CLIENT##*/} in
		  pump)
			$DHCP_CLIENT -r -i ${DEVICE}
			RESULT=$?
			;;
		  dhcpcd)
			$DHCP_CLIENT -k ${DEVICE}
			RESULT=$?
			sleep 1
			;;
		  dhcpxd)
			$DHCP_CLIENT -k ${DEVICE}
			RESULT=$?
			;;
		  dhclient)
		  	if [ -f "/var/run/dhclient.$DEVICE.pid" ] ; then
				$DHCP_CLIENT -r -pf /var/run/dhclient.$DEVICE.pid -lf /var/lib/dhclient/dhclient.$DEVICE.leases 2>/dev/null
				RESULT=$?
			elif [ -f /var/run/dhclient.pid ]; then
				# may be left by older rc-scripts
				PID=$(cat /var/run/dhclient.pid)
				if kill -0 $PID 2>/dev/null; then
					kill $PID
					RESULT=$?
				fi
			fi
			;;
		  avahi-autoipd)
			$DHCP_CLIENT -k ${DEVICE}
			RESULT=$?
			;;
		esac
	fi
fi

if is_yes "${WLAN_WPA}"; then
	killproc --pidfile "wpa_supplicant-${DEVICE}.pid" wpa_supplicant > /dev/null 2>&1
	rm -f "/var/run/wpa_supplicant-${DEVICE}.pid"
fi

# Check to make sure the device is actually up
check_device_down && exit 0

if [ -n "${SUBDEVICE}" ]; then
	ip addr del ${IP4ADDR} label ${SUBDEVICE} dev ${DEVICE}
else
	LC_ALL=C ip addr flush dev ${DEVICE} 2>&1 | grep -v "Nothing to flush"
	ip link set ${DEVICE} down
fi

if [ "$HANDLING" = "4" ]; then
	exit 0
fi

if [ -n "$RESULT" ] ; then
	if [ "$RESULT" -ne "0" ]; then
		exit $RESULT
	fi
fi

exec /lib/rc-scripts/ifdown-post $CONFIG