Subversion Repositories configs

#!/bin/bash

# Network Interface Configuration System

# Copyright (c) 1996-2009 Red Hat, Inc. all rights reserved.

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License, version 2,

# as published by the Free Software Foundation.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA

. /etc/init.d/functions

cd /etc/sysconfig/network-scripts

. ./network-functions

[ -f ../network ] && . ../network

CONFIG=${1}

source_config

. /etc/sysconfig/network

# Check to make sure the device is actually up

check_device_down ${DEVICE} && [ "$BOOTPROTO" != "dhcp" -a "$BOOTPROTO" != "bootp" ] && [ -n "$VLAN" -a "$VLAN" != "yes" ] && exit 0

if [ "${SLAVE}" != "yes" -o -z "${MASTER}" ]; then

if [ -n "${HWADDR}" -a -z "${MACADDR}" ]; then

    FOUNDMACADDR=$(get_hwaddr ${REALDEVICE})

    if [ -n "${FOUNDMACADDR}" -a "${FOUNDMACADDR}" != "${HWADDR}" ]; then

        NEWCONFIG=$(get_config_by_hwaddr ${FOUNDMACADDR})

	if [ -n "${NEWCONFIG}" ]; then

	   eval $(LANG=C fgrep "DEVICE=" $NEWCONFIG)

	else

	   net_log $"Device ${DEVICE} has MAC address ${FOUNDMACADDR}, instead of configured address ${HWADDR}. Ignoring."

	   exit 1

	fi

	if [ -n "${NEWCONFIG}" -a "${NEWCONFIG##*/}" != "${CONFIG##*/}" -a "${DEVICE}" = "${REALDEVICE}" ]; then

	   exec /sbin/ifdown ${NEWCONFIG}

	else

	   net_log $"Device ${DEVICE} has MAC address ${FOUNDMACADDR}, instead of configured address ${HWADDR}. Ignoring."

	   exit 1

	fi

    fi

fi

fi

if is_bonding_device ${DEVICE} ; then

    for device in $(LANG=C grep -l "^[[:space:]]*MASTER=\"\?${DEVICE}\"\?\([[:space:]#]\|$\)" /etc/sysconfig/network-scripts/ifcfg-*) ; do

	is_ignored_file "$device" && continue

	/sbin/ifdown ${device##*/}

    done

    for arg in $BONDING_OPTS ; do

	key=${arg%%=*};

	[[ "${key}" != "arp_ip_target" ]] && continue

	value=${arg##*=};

	if [ "${value:0:1}" != "" ]; then

            OLDIFS=$IFS;

            IFS=',';

            for arp_ip in $value; do

		if grep -q $arp_ip /sys/class/net/${DEVICE}/bonding/arp_ip_target; then

                    echo "-$arp_ip" > /sys/class/net/${DEVICE}/bonding/arp_ip_target

		fi

            done

            IFS=$OLDIFS;

	else

	    value=${value#+};

	    if grep -q $value /sys/class/net/${DEVICE}/bonding/arp_ip_target; then

                echo "-$value" > /sys/class/net/${DEVICE}/bonding/arp_ip_target

	    fi

	fi

    done

fi

/etc/sysconfig/network-scripts/ifdown-ipv6 ${CONFIG}

retcode=0

[ -n "$(pidof -x dhclient)" ] && {

   for VER in "" 6 ; do

	if [ -f "/var/run/dhclient$VER-${DEVICE}.pid" ]; then

		dhcpid=$(cat /var/run/dhclient$VER-${DEVICE}.pid)

		if [[ "$DHCPRELEASE" = [yY1]* ]];  then

			/sbin/dhclient -r -lf /var/lib/dhclient/dhclient$VER-${DEVICE}.leases -pf /var/run/dhclient$VER-${DEVICE}.pid ${DEVICE} >/dev/null 2>&1

			retcode=$?

		else

			kill $dhcpid >/dev/null 2>&1

			retcode=$?

			reason=STOP$VER interface=${DEVICE} /sbin/dhclient-script

		fi

		if [ -f "/var/run/dhclient$VER-${DEVICE}.pid" ]; then

			rm -f /var/run/dhclient$VER-${DEVICE}.pid

			kill $dhcpid >/dev/null 2>&1

		fi

	fi

    done

}

# we can't just delete the configured address because that address

# may have been changed in the config file since the device was

# brought up.  Flush all addresses associated with this

# instance instead.

if [ -d "/sys/class/net/${REALDEVICE}" ]; then

        LABEL=

	if [ "${REALDEVICE}" != "${DEVICE}" ]; then

               LABEL="label ${DEVICE}"

        fi

	if [ "${REALDEVICE}" = "lo" ]; then

		ip addr flush dev ${REALDEVICE} ${LABEL} scope host 2>/dev/null

	else

		ip addr flush dev ${REALDEVICE} ${LABEL} scope global 2>/dev/null

		ip -4 addr flush dev ${REALDEVICE} ${LABEL} scope host 2>/dev/null

	fi

	if [ "${SLAVE}" = "yes" -a -n "${MASTER}" ]; then

		echo "-${DEVICE}" > /sys/class/net/${MASTER}/bonding/slaves 2>/dev/null

	fi

	if [ "${REALDEVICE}" = "${DEVICE}" ]; then

  		ip link set dev ${DEVICE} down 2>/dev/null

	fi

fi

[ "$retcode" = "0" ] && retcode=$?

if [ -n "${BRIDGE}" -a -x /usr/sbin/brctl ]; then

      /sbin/ip link set dev ${DEVICE} down

      /usr/sbin/brctl delif ${BRIDGE} ${DEVICE}

      # Upon removing a device from a bridge,

      # it's necessary to make radvd reload its config

      [ -r /var/run/radvd/radvd.pid ] && kill -HUP $(cat /var/run/radvd/radvd.pid)

      if [ -d /sys/class/net/${BRIDGE}/brif ] && [ $(ls -1 /sys/class/net/${BRIDGE}/brif | wc -l) -eq 0 ]; then

	  /usr/sbin/brctl delbr ${BRIDGE}

      fi

fi

if [ "${TYPE}" = "Tap" ]; then

	tunctl -d "${DEVICE}" >/dev/null

fi

# wait up to 5 seconds for device to actually come down if it is not an alias

if [ ${DEVICE} == ${DEVICE%:*} ]; then

    waited=0

    while ! check_device_down ${DEVICE} && [ "$waited" -lt 50 ] ; do

        usleep 10000

        waited=$(($waited+1))

    done

fi

# 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" ]; then

    # 802.1q VLAN

    if [ -f /proc/net/vlan/${DEVICE} ]; then

	    ip link delete ${DEVICE} type vlan

    fi

fi

exit $retcode