source: projects/initscripts/tags/initscripts-8.91.0/sysconfig/network-scripts/ifup @ 2576

#!/bin/bash
# Network Interface Configuration System
# Copyright (c) 1996-2001 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

unset WINDOW # defined by screen, conflicts with our usage

. /etc/init.d/functions

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

[ -f /etc/sysconfig/network ] && . /etc/sysconfig/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|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
    MATCH='^vlan[0-9]{1,4}?'
    if [[ "${DEVICE}" =~ $MATCH ]]; then
        VID=$(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
                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."
                }
            else
                echo $"No 802.1Q VLAN support available in kernel for device ${DEVICE}"
                exit 1
            fi
        fi

        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} || {
                (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 || {
                        (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 || {
                        (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