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#!/bin/bash
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# Network Interface Configuration System
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# Copyright (c) 1996-2009 Red Hat, Inc. all rights reserved.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License, version 2,
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# as published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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. /etc/init.d/functions
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cd /etc/sysconfig/network-scripts
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. ./network-functions
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[ -f ../network ] && . ../network
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CONFIG=${1}
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source_config
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. /etc/sysconfig/network
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# Check to make sure the device is actually up
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check_device_down ${DEVICE} && [ "$BOOTPROTO" != "dhcp" -a "$BOOTPROTO" != "bootp" ] && [ -n "$VLAN" -a "$VLAN" != "yes" ] && exit 0
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if [ "${SLAVE}" != "yes" -o -z "${MASTER}" ]; then
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if [ -n "${HWADDR}" -a -z "${MACADDR}" ]; then
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FOUNDMACADDR=$(get_hwaddr ${REALDEVICE})
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if [ -n "${FOUNDMACADDR}" -a "${FOUNDMACADDR}" != "${HWADDR}" ]; then
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NEWCONFIG=$(get_config_by_hwaddr ${FOUNDMACADDR})
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if [ -n "${NEWCONFIG}" ]; then
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eval $(LANG=C fgrep "DEVICE=" $NEWCONFIG)
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else
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net_log $"Device ${DEVICE} has MAC address ${FOUNDMACADDR}, instead of configured address ${HWADDR}. Ignoring."
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exit 1
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fi
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if [ -n "${NEWCONFIG}" -a "${NEWCONFIG##*/}" != "${CONFIG##*/}" -a "${DEVICE}" = "${REALDEVICE}" ]; then
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exec /sbin/ifdown ${NEWCONFIG}
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else
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net_log $"Device ${DEVICE} has MAC address ${FOUNDMACADDR}, instead of configured address ${HWADDR}. Ignoring."
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exit 1
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fi
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fi
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fi
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fi
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if is_bonding_device ${DEVICE} ; then
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for device in $(LANG=C grep -l "^[[:space:]]*MASTER=['\"]\?${DEVICE}['\"]\?\([[:space:]#]\|$\)" /etc/sysconfig/network-scripts/ifcfg-*) ; do
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is_ignored_file "$device" && continue
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/sbin/ifdown ${device##*/}
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done
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for arg in $BONDING_OPTS ; do
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key=${arg%%=*};
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[[ "${key}" != "arp_ip_target" ]] && continue
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value=${arg##*=};
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if [ "${value:0:1}" != "" ]; then
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OLDIFS=$IFS;
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IFS=',';
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for arp_ip in $value; do
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if grep -q $arp_ip /sys/class/net/${DEVICE}/bonding/arp_ip_target; then
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echo "-$arp_ip" > /sys/class/net/${DEVICE}/bonding/arp_ip_target
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fi
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done
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IFS=$OLDIFS;
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else
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value=${value#+};
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if grep -q $value /sys/class/net/${DEVICE}/bonding/arp_ip_target; then
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echo "-$value" > /sys/class/net/${DEVICE}/bonding/arp_ip_target
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fi
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fi
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done
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fi
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/etc/sysconfig/network-scripts/ifdown-ipv6 ${CONFIG}
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retcode=0
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[ -n "$(pidof -x dhclient)" ] && {
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for VER in "" 6 ; do
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if [ -f "/var/run/dhclient$VER-${DEVICE}.pid" ]; then
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dhcpid=$(cat /var/run/dhclient$VER-${DEVICE}.pid)
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if [[ "$DHCPRELEASE" = [yY1]* ]]; then
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/sbin/dhclient -r -lf /var/lib/dhclient/dhclient$VER-${DEVICE}.leases -pf /var/run/dhclient$VER-${DEVICE}.pid ${DEVICE} >/dev/null 2>&1
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retcode=$?
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else
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kill $dhcpid >/dev/null 2>&1
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retcode=$?
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reason=STOP$VER interface=${DEVICE} /sbin/dhclient-script
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fi
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if [ -f "/var/run/dhclient$VER-${DEVICE}.pid" ]; then
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rm -f /var/run/dhclient$VER-${DEVICE}.pid
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kill $dhcpid >/dev/null 2>&1
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fi
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fi
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done
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}
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# we can't just delete the configured address because that address
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# may have been changed in the config file since the device was
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# brought up. Flush all addresses associated with this
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# instance instead.
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if [ -d "/sys/class/net/${REALDEVICE}" ]; then
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LABEL=
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if [ "${REALDEVICE}" != "${DEVICE}" ]; then
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LABEL="label ${DEVICE}"
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fi
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if [ "${REALDEVICE}" = "lo" ]; then
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ip addr flush dev ${REALDEVICE} ${LABEL} scope host 2>/dev/null
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else
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ip addr flush dev ${REALDEVICE} ${LABEL} scope global 2>/dev/null
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ip -4 addr flush dev ${REALDEVICE} ${LABEL} scope host 2>/dev/null
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fi
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if [ "${SLAVE}" = "yes" -a -n "${MASTER}" ]; then
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echo "-${DEVICE}" > /sys/class/net/${MASTER}/bonding/slaves 2>/dev/null
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fi
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if [ "${REALDEVICE}" = "${DEVICE}" ]; then
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ip link set dev ${DEVICE} down 2>/dev/null
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fi
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fi
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[ "$retcode" = "0" ] && retcode=$?
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if [ -n "${BRIDGE}" -a -x /usr/sbin/brctl ]; then
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/sbin/ip link set dev ${DEVICE} down
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/usr/sbin/brctl delif ${BRIDGE} ${DEVICE}
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# Upon removing a device from a bridge,
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# it's necessary to make radvd reload its config
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[ -r /var/run/radvd/radvd.pid ] && kill -HUP $(cat /var/run/radvd/radvd.pid)
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if [ -d /sys/class/net/${BRIDGE}/brif ] && [ $(ls -1 /sys/class/net/${BRIDGE}/brif | wc -l) -eq 0 ]; then
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/usr/sbin/brctl delbr ${BRIDGE}
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fi
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fi
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if [ "${TYPE}" = "Tap" ]; then
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tunctl -d "${DEVICE}" >/dev/null
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fi
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# wait up to 5 seconds for device to actually come down if it is not an alias
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if [ ${DEVICE} == ${DEVICE%:*} ]; then
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waited=0
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while ! check_device_down ${DEVICE} && [ "$waited" -lt 50 ] ; do
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usleep 10000
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waited=$(($waited+1))
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done
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fi
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# don't leave an outdated key sitting around
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if [ -n "${WIRELESS_ENC_KEY}" -a -x /sbin/iwconfig ]; then
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/sbin/iwconfig ${DEVICE} enc 0 >/dev/null 2>&1
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fi
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if [ "$retcode" = 0 ] ; then
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/etc/sysconfig/network-scripts/ifdown-post $CONFIG
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# do NOT use $? because ifdown should return whether or not
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# the interface went down.
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fi
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if [ -n "$VLAN" ]; then
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# 802.1q VLAN
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if [ -f /proc/net/vlan/${DEVICE} ]; then
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ip link delete ${DEVICE} type vlan
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fi
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fi
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exit $retcode
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