| 1 | #!/bin/sh
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| 2 | ########################################################################
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| 3 | # Begin $network_devices/ifup
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| 4 | #
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| 5 | # Description : Interface Up
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| 6 | #
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| 7 | # Authors : Nathan Coulson - nathan@linuxfromscratch.org
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| 8 | # Kevin P. Fleming - kpfleming@linuxfromscratch.org
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| 9 | #
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| 10 | # Version : 00.00
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| 11 | #
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| 12 | # Notes : the IFCONFIG variable is passed to the scripts found
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| 13 | # in the services directory, to indicate what file the
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| 14 | # service should source to get environmental variables.
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| 15 | #
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| 16 | ########################################################################
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| 17 |
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| 18 | . /etc/sysconfig/rc
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| 19 | . ${rc_functions}
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| 20 |
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| 21 | # Collect a list of configuration files for our interface
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| 22 | if [ -n "${2}" ]; then
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| 23 | for file in ${@#$1} # All parameters except $1
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| 24 | do
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| 25 | FILES="${FILES} ${network_devices}/ifconfig.${1}/${file}"
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| 26 | done
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| 27 | elif [ -d "${network_devices}/ifconfig.${1}" ]; then
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| 28 | FILES=`echo ${network_devices}/ifconfig.${1}/*`
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| 29 | else
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| 30 | FILES="${network_devices}/ifconfig.${1}"
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| 31 | fi
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| 32 |
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| 33 | boot_mesg "Bringing up the ${1} interface..."
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| 34 | boot_mesg_flush
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| 35 |
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| 36 | # Process each configruation file
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| 37 | for file in ${FILES}; do
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| 38 | # skip backup files
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| 39 | if [ "${file}" != "${file%""~""}" ]; then
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| 40 | continue
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| 41 | fi
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| 42 |
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| 43 | if [ ! -f "${file}" ]; then
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| 44 | boot_mesg "${file} is not a network configuration file or directory." ${WARNING}
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| 45 | echo_warning
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| 46 | continue
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| 47 | fi
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| 48 |
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| 49 | (
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| 50 | . ${file}
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| 51 |
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| 52 | # Will not process this service if started by boot, and ONBOOT
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| 53 | # is not set to yes
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| 54 | if [ "${IN_BOOT}" = "1" -a "${ONBOOT}" != "yes" ]; then
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| 55 | continue
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| 56 | fi
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| 57 | # Will not process this service if started by hotplug, and
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| 58 | # ONHOTPLUG is not set to yes
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| 59 | if [ "${IN_HOTPLUG}" = "1" -a "${ONHOTPLUG}" != "yes" -a "${HOSTNAME}" != "(none)" ]; then
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| 60 | continue
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| 61 | fi
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| 62 |
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| 63 | # This will allow us to assign subinterfaces to our primary
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| 64 | if [ "${INTERFACE}" != "" ]; then
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| 65 | NET_IF=${INTERFACE}
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| 66 | else
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| 67 | NET_IF=${1}
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| 68 | fi
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| 69 |
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| 70 | if [ -n "${SERVICE}" -a -x "${network_devices}/services/${SERVICE}" ]; then
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| 71 | if [ -z "${CHECK_LINK}" -o "${CHECK_LINK}" = "y" -o "${CHECK_LINK}" = "yes" -o "${CHECK_LINK}" = "1" ]; then
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| 72 | TEST="`ip addr show ${NET_IF} | grep inet | grep ${NET_IF} | cut -f1 -d'/' | cut -f2 -d't' | cut -f2 -d' '`"
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| 73 | if [ "$TEST" != "" ]; then
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| 74 | boot_mesg "Interface ${NET_IF} already configured with IP ${TEST}." ${WARNING}
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| 75 | echo_warning
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| 76 | continue
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| 77 | else
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| 78 | if ip link show ${NET_IF} > /dev/null 2>&1; then
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| 79 | link_status=`ip link show ${NET_IF} 2> /dev/null | grep ${NET_IF}`
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| 80 | if [ -n "${link_status}" ]; then
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| 81 | if ! echo "${link_status}" | grep -q UP; then
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| 82 | ip link set ${NET_IF} up
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| 83 | fi
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| 84 | fi
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| 85 | else
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| 86 | boot_mesg "Interface ${NET_IF} doesn't exist." ${WARNING}
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| 87 | echo_warning
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| 88 | continue
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| 89 | fi
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| 90 | fi
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| 91 | fi
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| 92 | IFCONFIG=${file} ${network_devices}/services/${SERVICE} ${NET_IF} up
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| 93 | else
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| 94 | boot_mesg "Unable to process ${file}. Either" ${FAILURE}
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| 95 | boot_mesg " the SERVICE variable was not set,"
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| 96 | boot_mesg " or the specified service cannot be executed."
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| 97 | echo_failure
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| 98 | continue
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| 99 | fi
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| 100 | )
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| 101 | done
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| 102 |
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| 103 | # End $network_devices/ifup
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