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Viewing file:     ifup (3.75 KB)      -rwxr-xr-x

#!/bin/bash
# Network Interface Configuration System
# Copyright (c) 1996-2001 Red Hat, Inc. all rights reserved.
#
# This software may be freely redistributed under the terms of the GNU
# public license.
# 
# 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., 675 Mass Ave, Cambridge, MA 02139, USA.

unset WINDOW # defined by screen, conflicts with our usage

. /etc/init.d/functions

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

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

CONFIG=${1}

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

need_config ${CONFIG}

[ -f "${CONFIG}" ] || {
    echo $"$0: configuration for ${1} not found." >&2
    echo $"Usage: ifup <device name>" >&2
    exit 1
}

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

source_config

if [ "foo$2" = "fooboot" ] && [ "${ONBOOT}" = "no" -o "${ONBOOT}" = "NO" ]
then
    exit 0
fi
if [ -n "$IN_HOTPLUG" ] && [ "${HOTPLUG}" = "no" -o "${HOTPLUG}" = "NO" ]
then
    exit 0
fi
if [ -n "$IN_HOTPLUG" -a "${TYPE}" = "Bridge" ]; 
then
    exit 0
fi

# Ethernet 802.1Q VLAN support
if [ -x /sbin/vconfig -a "${VLAN}" = "yes" -a "$ISALIAS" = "no" ]; then
    VID=""
    MATCH='^(eth|hsi|bond)[0-9]+\.[0-9]{1,4}$'
    if [[ "${DEVICE}" =~ $MATCH ]]; then
	VID=$(echo "${DEVICE}" | LC_ALL=C sed 's/^[a-z0-9]*\.0*//')
	PHYSDEV=${DEVICE%.*}
    fi
    if [[ "${DEVICE}" =~ '^vlan[0-9]{1,4}?' ]]; then
	VID=$(echo "${DEVICE}" | LC_ALL=C sed 's/^vlan0*//')
	# PHYSDEV should be set in ifcfg-vlan* file
	if test -z "$PHYSDEV"; then
		echo $"PHYSDEV should be set for device ${DEVICE}"
		exit 1
	fi
    fi
    if [ -n "$VID" ]; then
	if [ ! -d /proc/net/vlan ]; then
            if ! modprobe 8021q >/dev/null 2>&1 ; then
		echo $"No 802.1Q VLAN support available in kernel for device ${DEVICE}"
		exit 1
	    fi
	fi

	test -z "$VLAN_NAME_TYPE" && VLAN_NAME_TYPE=DEV_PLUS_VID_NO_PAD
	/sbin/vconfig set_name_type "$VLAN_NAME_TYPE" >/dev/null 2>&1 || {
		echo $"Could not set 802.1Q VLAN parameters."
	}

	is_available ${PHYSDEV} || {
	    if [ "$?" = "1" ] ; then
		echo $"$alias device ${DEVICE} does not seem to be present, delaying initialization."
		exit 1
	    else
		exit 0
	    fi
	}

	# Link on Physical device needs to be up but no ip required
	check_device_down ${PHYSDEV} && {
	    ip -o link set dev ${PHYSDEV} up
	}

	if [ ! -f /proc/net/vlan/${DEVICE} ]; then
	    /sbin/vconfig add ${PHYSDEV} ${VID} || {
		(/usr/bin/logger -p daemon.info -t ifup \
		    $"ERROR: could not add vlan ${VID} as ${DEVICE} on dev ${PHYSDEV}" &)&
		echo $"ERROR: could not add vlan ${VID} as ${DEVICE} on dev ${PHYSDEV}"
		exit 1
	    }
	fi

	if [ -f /proc/net/vlan/${DEVICE} ]; then
	    case "$REORDER_HDR" in
		yes|1)
		    /sbin/vconfig set_flag ${DEVICE} 1 1 || {
			(/usr/bin/logger -p daemon.info -t ifup \
			    "WARNING: vconfig not able to enable REORDER_HDR on ${DEVICE}" &)&
		    }
		    ;;
		no|0)
		    /sbin/vconfig set_flag ${DEVICE} 1 0 || {
			(/usr/bin/logger -p daemon.info -t ifup \
			    $"WARNING: vconfig not able to disable REORDER_HDR on ${DEVICE}" &)&
		    }
		    ;;
	    esac
	fi
    fi
fi

# Old BOOTP variable
if [ "${BOOTP}" = "yes" ]; then
    BOOTPROTO=bootp
fi

if [ "${BOOTPROTO}" = "bootp" -o "${BOOTPROTO}" = "dhcp" ]; then
    DYNCONFIG=true
fi

if [ -x /sbin/ifup-pre-local ]; then
    /sbin/ifup-pre-local ${CONFIG} $2
fi

OTHERSCRIPT="/etc/sysconfig/network-scripts/ifup-${DEVICETYPE}"

if [ ! -x ${OTHERSCRIPT} ]; then
    OTHERSCRIPT="/etc/sysconfig/network-scripts/ifup-eth"
fi

exec ${OTHERSCRIPT} ${CONFIG} $2