D.25. /etc/sysconfig/network-devices/ifup



#!/bin/sh


########################################################################


# Begin $network_devices/ifup


#


# Description : Interface Up


#


# Authors     : Nathan Coulson - nathan@linuxfromscratch.org


#               Kevin P. Fleming - kpfleming@linuxfromscratch.org


#


# Version     : 00.00


#


# Notes       : the IFCONFIG variable is passed to the scripts found


#               in the services directory, to indicate what file the


#               service should source to get environmental variables.


#


########################################################################





. /etc/sysconfig/rc 


. ${rc_functions} 





# Collect a list of configuration files for our interface


if [ -n "${2}" ]; then


    for file in ${@#$1} # All parameters except $1


  do


        FILES="${FILES} ${network_devices}/ifconfig.${1}/${file}"


    done


elif [ -d "${network_devices}/ifconfig.${1}" ]; then


    FILES=`echo ${network_devices}/ifconfig.${1}/*`


else 


    FILES="${network_devices}/ifconfig.${1}"


fi





boot_mesg "Bringing up the ${1} interface..."


boot_mesg_flush





# Process each configruation file


for file in ${FILES}; do


    # skip backup files


    if [ "${file}" != "${file%""~""}" ]; then


        continue


    fi





    if [ ! -f "${file}" ]; then


        boot_mesg "${file} is not a network configuration file or directory." ${WARNING}


        echo_warning


        continue


    fi





    (


        . ${file}





        # Will not process this service if started by boot, and ONBOOT


        # is not set to yes


        if [ "${IN_BOOT}" = "1" -a "${ONBOOT}" != "yes" ]; then


            continue


        fi


        # Will not process this service if started by hotplug, and 


        # ONHOTPLUG is not set to yes


        if [ "${IN_HOTPLUG}" = "1" -a "${ONHOTPLUG}" != "yes" -a "${HOSTNAME}" != "(none)" ]; then


             continue


        fi





        if [ -n "${SERVICE}" -a -x "${network_devices}/services/${SERVICE}" ]; then


            if [ -z "${CHECK_LINK}" -o "${CHECK_LINK}" = "y" -o "${CHECK_LINK}" = "yes" -o "${CHECK_LINK}" = "1" ]; then


                if ip link show ${1} > /dev/null 2>&1; then


                    link_status=`ip link show ${1}`


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


                        if ! echo "${link_status}" | grep -q UP; then


                            ip link set ${1} up


                        fi


                    fi


                else


                    boot_mesg "Interface ${1} doesn't exist." ${WARNING}


                    echo_warning


                    continue


                fi


            fi


            IFCONFIG=${file} ${network_devices}/services/${SERVICE} ${1} up


        else


            boot_mesg "Unable to process ${file}.  Either" ${FAILURE}


            boot_mesg " the SERVICE variable was not set,"


            boot_mesg " or the specified service cannot be executed."


            echo_failure


            continue


        fi


    )


done





# End $network_devices/ifup



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