D.26. /etc/sysconfig/network-devices/ifdown


#!/bin/sh

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

# Begin $network_devices/ifdown

#

# Description : Interface Down

#

# Authors     : Nathan Coulson - nathan@linuxfromscratch.org

#               Kevin P. Fleming - kpfleming@linuxfromscratch.org

#

# Version     : 00.01

#

# 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}; do # All parameters except $1

        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



# Reverse the order configuration files are processed in

for file in ${FILES}; do

    FILES2="${file} ${FILES2}"

done

FILES=${FILES2}



# Process each configuration 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" ]; then

            continue

        fi

    

        # This will run the service script, if SERVICE is set

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

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

            then

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

            else

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

                echo_warning

            fi

        else

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

            boot_mesg -n " the SERVICE variable was not set,"

            boot_mesg " or the specified service cannot be executed."

            echo_failure

            continue

        fi

    )

done



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

    link_status=`ip link show $1`

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

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

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

            ip link set ${1} down

            evaluate_retval

        fi

    fi

fi



# End $network_devices/ifdown


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