Ignore:
Timestamp:
05/18/2011 05:18:30 PM (13 years ago)
Author:
DJ Lucas <dj@…>
Branches:
10.0, 10.0-rc1, 10.1, 10.1-rc1, 11.0, 11.0-rc1, 11.0-rc2, 11.0-rc3, 11.1, 11.1-rc1, 11.2, 11.2-rc1, 11.3, 11.3-rc1, 12.0, 12.0-rc1, 12.1, 12.1-rc1, 7.0, 7.1, 7.2, 7.3, 7.4, 7.5, 7.5-systemd, 7.6, 7.6-systemd, 7.7, 7.7-systemd, 7.8, 7.8-systemd, 7.9, 7.9-systemd, 8.0, 8.1, 8.2, 8.3, 8.4, 9.0, 9.1, arm, bdubbs/gcc13, ml-11.0, multilib, renodr/libudev-from-systemd, s6-init, trunk, xry111/arm64, xry111/arm64-12.0, xry111/clfs-ng, xry111/lfs-next, xry111/loongarch, xry111/loongarch-12.0, xry111/loongarch-12.1, xry111/mips64el, xry111/pip3, xry111/rust-wip-20221008, xry111/update-glibc
Children:
d93bdd1e
Parents:
499ce32
Message:

New ifup/ifdown and modified network script. Changed comments on cleanfs scritp as well.

git-svn-id: ​http://svn.linuxfromscratch.org/LFS/trunk/BOOK@9543 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

File:
1 edited

Legend:

Unmodified
Added
Removed

  • lsb-bootscripts/sbin/ifup

    r499ce32 rc2db087  
    11#!/bin/sh
    22########################################################################
    3 # Begin $NETWORK_DEVICES/ifup
     3# Begin /sbin/ifdown
    44#
    55# Description : Interface Up
    66#
    7 # Authors     : Nathan Coulson - nathan@linuxfromscratch.org
    8 #               Kevin P. Fleming - kpfleming@linuxfromscratch.org
     7# Authors     : DJ Lucas - dj@linuxfromscratch.org
    98#
    10 # Version     : 00.00
    11 #
    12 # Notes       : the IFCONFIG variable is passed to the scripts found
    13 #               in the services directory, to indicate what file the
    14 #               service should source to get environmental variables.
     9# Version     : 00.02
    1510#
    1611########################################################################
    1712
    18 . /lib/lsb/init-functions 
     13. /lib/lsb/init-functions
    1914
    20 # Collect a list of configuration files for our interface
    21 if [ -n "${2}" ]; then
    22     for file in ${@#$1} # All parameters except $1
    23   do
    24         FILES="${FILES} ${NETWORK_DEVICES}/ifconfig.${1}/${file}"
    25     done
    26 elif [ -d "${NETWORK_DEVICES}/ifconfig.${1}" ]; then
    27     FILES=`echo ${NETWORK_DEVICES}/ifconfig.${1}/*`
    28 else
    29     FILES="${NETWORK_DEVICES}/ifconfig.${1}"
     15function get_args()
     16    {
     17        if test -z "${1}" ; then
     18            showhelp
     19            exit 1
     20        fi
     21
     22        while test -n "${1}" ; do
     23            case "${1}" in
     24                -c | --configfile)
     25                    check_arg $1 $2
     26                    CONFIGFILE="${2}"
     27                    shift 2
     28                ;;
     29                eth* | iw* | wlan*)
     30                     INTERFACE="${1}"
     31                     shift 1
     32                ;;
     33                -h | --help)
     34                     showhelp
     35                     exit 0
     36                ;;
     37                *)
     38                   showhelp
     39                   echo "ERROR: '${1}' unknown argument"
     40                   echo ""
     41                   exit 2
     42                ;;
     43            esac
     44        done
     45    }
     46
     47function check_arg()
     48    {
     49        echo "${2}" | grep -v "^-" > /dev/null
     50        if [ -z "${?}" -o ! -n "${2}" ]; then
     51            echo "Error:  ${1} requires a valid argument."
     52            exit 2
     53        fi
     54    }
     55
     56function showhelp()
     57    {
     58        echo "`/usr/bin/basename ${0}` brings up a valid network interface."
     59        echo ""
     60        echo "Options:"
     61        echo "          -c  --configfile    The path to an interface configuration file"
     62        echo "                              If no configuration file is given, all files"
     63        echo "                              listed in ${NETWORK_DEVICES}/ifconfig.<int> will"
     64        echo "                              be processed, regarless of the value of ONBOOT"
     65        echo "          -h  --help          Show this help message and exit."
     66        echo ""
     67        echo "Examples:"
     68        echo "          `/usr/bin/basename ${0}` eth0 -c ${NETWORK_DEVICES}/ifconfig.eth0/ipv4"
     69        echo "          `/usr/bin/basename ${0}` eth0"
     70        echo ""
     71        echo ""
     72    }
     73
     74# Intialize empty variables so that the shell does not polute the script
     75CONFIGFILE=""
     76CONFIGDIR=""
     77INTERFACE=""
     78
     79# Process command line arguments
     80get_args ${@}
     81
     82# Handle common errors - No need to account for bootscripts, this should not
     83# happen during boot or shutdown.
     84if [ "${CONFIGFILE}x" != "x" -a ! -f "${CONFIGFILE}" ]; then
     85    echo "ERROR: ${CONFIGFILE} is not a valid network configuration file."
     86    echo ""
     87    exit 2
    3088fi
    3189
    32 message="Bringing up the ${1} interface..."
     90if [ "${INTERFACE}x" == "x" ]; then
     91    echo "ERROR: No interface was given"
     92    echo ""
     93    exit 2
     94else
     95    if ! grep "${INTERFACE}" /proc/net/dev 2>&1 > /dev/null; then
     96        echo "ERROR: ${INTERFACE} is not a valid network interface."
     97        echo ""
     98        exit 2
     99    fi
     100fi
    33101
    34 # Process each configruation file
    35 for file in ${FILES}; do
    36     # skip backup files
    37     if [ "${file}" != "${file%""~""}" ]; then
    38         continue
     102# If a configuration file is present, use it
     103if [ "${CONFIGFILE}x" != "x" ]; then
     104    . "${CONFIGFILE}"
     105    if [ -x "/lib/network-services/${SERVICE}" ]; then
     106        # do the work
     107        # Check to make sure the interface is up
     108        link_status=`/sbin/ip link show "${INTERFACE}" | \
     109            grep -o "state UP"`
     110        if [ "${link_status}" != "state UP" ]; then
     111            message="Bringing up the ${INTERFACE} interface..."
     112            /sbin/ip link set ${INTERFACE} up
     113            evaluate_retval standard
     114        fi
     115        if IFCONFIG=${CONFIGFILE} \
     116            /lib/network-services/${SERVICE} ${INTERFACE} up; then
     117            mkdir -p "/run/network/ifconfig.${INTERFACE}"
     118            cp "${CONFIGFILE}" "/run/network/ifconfig.${INTERFACE}/"
     119        fi
     120    else
     121        echo "ERROR: Service '${SERVICE}' is not a valid service."
     122        echo ""
     123        exit 2
    39124    fi
    40 
    41     if [ ! -f "${file}" ]; then
    42         log_warning_msg
    43         message="${file} is not a network configuration file or directory."
    44         log_warning_msg
    45     fi
    46 
    47     (
    48         if [ ! -d "${file}" ]; then
    49             . ${file}
    50         fi
    51 
    52         # Will not process this service if started by boot, and ONBOOT
    53         # is not set to yes
    54         if [ "${IN_BOOT}" = "1" -a "${ONBOOT}" != "yes" ]; then
    55             continue
    56         fi
    57         # Will not process this service if started by hotplug, and
    58         # ONHOTPLUG is not set to yes
    59         if [ "${IN_HOTPLUG}" = "1" -a "${ONHOTPLUG}" != "yes" -a "${HOSTNAME}" != "(none)" ]; then
    60              continue
    61         fi
    62 
    63         if [ -n "${SERVICE}" -a -x "/lib/network-services/${SERVICE}" ]; then
    64             if [ -z "${CHECK_LINK}" -o "${CHECK_LINK}" = "y" -o "${CHECK_LINK}" = "yes" -o "${CHECK_LINK}" = "1" ]; then
    65                 if ip link show ${1} > /dev/null 2>&1; then
    66                     link_status=`ip link show ${1}`
    67                     if [ -n "${link_status}" ]; then
    68                         if ! echo "${link_status}" | grep -q UP; then
    69                             ip link set ${1} up
    70                             evaluate_retval standard
    71                         fi
     125# No interface configuration file was given
     126else
     127    # Process all available interface configuration files
     128    CONFIGDIR="/etc/network/ifconfig.${INTERFACE}"
     129    if [ -d "${CONFIGDIR}" ]; then
     130        FILES=`ls "${CONFIGDIR}"`
     131        for CONFIGFILE in ${FILES}
     132        do
     133            (
     134                . "${CONFIGDIR}/${CONFIGFILE}"
     135                if [ -x "/lib/network-services/${SERVICE}" ]; then
     136                    # Check to make sure the interface is up
     137                    link_status=`/sbin/ip link show "${INTERFACE}" | \
     138                        grep -o "state UP"`
     139                    if [ "${link_status}" != "state UP" ]; then
     140                        message="Bringing up the ${INTERFACE} interface..."
     141                        /sbin/ip link set ${INTERFACE} up
     142                        evaluate_retval standard
     143                    fi
     144                    if IFCONFIG="${CONFIGDIR}/${CONFIGFILE}" \
     145                        /lib/network-services/${SERVICE} ${INTERFACE} up; then
     146                        mkdir -p "/run/network/ifconfig.${INTERFACE}"
     147                        cp "${CONFIGDIR}/${CONFIGFILE}" \
     148                            "/run/network/ifconfig.${INTERFACE}/"
    72149                    fi
    73150                else
    74                     message="${message}Interface ${1} doesn't exist."
    75                     log_warning_msg
     151                    echo "ERROR: Service '${SERVICE}' is not a valid service."
     152                    echo ""
     153                    exit 2
    76154                fi
    77             fi
    78             IFCONFIG=${file} /lib/network-services/${SERVICE} ${1} up
    79             if [ "${?}" -eq "0" ]; then
    80                 if [ ! -d "${file}" -a "${file}" != "${NETWORK_DEVICES}/ifconfig.${1}" ]; then
    81                     mkdir -p "/run/network/ifconfig.${1}"
    82                     cp "${file}" "/run/network/ifconfig.${1}"
    83                 elif [ ! -d "${file}" ]; then
    84                     cp "${file}" "/run/network/"
    85                 fi
    86             fi
    87         else
    88             echo -e "${FAILURE}Unable to process ${file}.  Either"
    89             echo -e "${FAILURE}the SERVICE variable was not set,"
    90             echo -e "${FAILURE}or the specified service cannot be executed."
    91             message=""
    92             log_failure_msg
    93         fi
    94     )
    95 done
    96155
    97 # End $NETWORK_DEVICES/ifup
     156            )
     157        done
     158    fi
     159fi
     160
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