#!/bin/bash

. /etc/init.d/functions

cd /etc/sysconfig/network-scripts
. network-functions

CONFIG=$1

[ -z "$CONFIG" ] && {
    echo $"usage: ifdown <device name>" >&2
    exit 1
}

need_config $CONFIG

[ -f "$CONFIG" ] || {
    echo $"usage: ifdown <device name>" >&2
    exit 1
}

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

source_config

if [ -x /sbin/ifdown-pre-local ]; then
    /sbin/ifdown-pre-local ${DEVICE}
fi

DEVICETYPE=`echo $DEVICE | sed "s/[0-9]*$//"`
[ -z "$REALDEVICE" ] && REALDEVICE=`echo ${DEVICE} | sed 's/:.*//g'`
OTHERSCRIPT="/etc/sysconfig/network-scripts/ifdown-${DEVICETYPE}"

if [ -x $OTHERSCRIPT ]; then
	exec $OTHERSCRIPT $CONFIG $2
fi

. /etc/sysconfig/network

if [ "${NETWORKING_IPV6}" = "yes" ]; then
    /etc/sysconfig/network-scripts/ifdown-ipv6 ${CONFIG}
fi

# Check to make sure the device is actually up
check_device_down ${DEVICE} && exit 0

# Kill running dhcp client if present

dhcp_client_pids() {
    ps xw | egrep 'dhcpcd|pump|dhcpxd|dhclient|zcip' | grep ${DEVICE} | awk '{print $1;}'
}

retcode=0
pids=`dhcp_client_pids`
if [ -n "$pids" ]; then
    kill $pids
    retcode=$?
    waited=0
    while ! dhcp_client_pids > /dev/null && [ "$waited" -lt 50 ] ; do
	usleep 10000
	waited=$(($waited+1))
    done
fi

# Remove ip addresses from kernel

for ip in `ip addr show dev ${DEVICE} | grep inet | awk '{print $2;}'`; do
    ip addr del $ip dev ${DEVICE}
done

if [ "${REALDEVICE}" = "${DEVICE}" ]; then
  ip link set ${DEVICE} down
fi
[ "$retcode" = "0" ] && retcode=$?

# wait up to 5 seconds for device to actually come down...
waited=0
while ! check_device_down ${DEVICE} && [ "$waited" -lt 50 ] ; do
    usleep 10000
    waited=$(($waited+1))
done

# don't leave an outdated key sitting around
if [ -n "${WIRELESS_ENC_KEY}" -a -x /sbin/iwconfig ]; then
    /sbin/iwconfig ${DEVICE} enc 0 >/dev/null 2>&1
fi

if [ "$retcode" = 0 ] ; then
    /etc/sysconfig/network-scripts/ifdown-post $CONFIG
    # do NOT use $? because ifdown should return whether or not
    # the interface went down.
fi

if [ -n "$VLAN" -a -x /sbin/vconfig ]; then
    # 802.1q VLAN
    if echo ${DEVICE} | LANG=C egrep -v '(:)' | LANG=C egrep -q 'eth[0-9][0-9]*\.[0-9][0-9]?[0-9]?[0-9]?' ; then
	[ -f /proc/net/vlan/${DEVICE} ] && {
	    /sbin/vconfig rem ${DEVICE}
	    retcode=$?
	}
    fi
fi

exit $retcode
