| 1 | #!/bin/sh
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| 2 | ########################################################################
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| 3 | # Begin $network_devices/services/ipv4-static
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| 4 | #
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| 5 | # Description : IPV4 Static Boot Script
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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 :
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| 13 | #
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| 14 | ########################################################################
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| 15 |
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| 16 | . /etc/sysconfig/rc
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| 17 | . ${rc_functions}
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| 18 | . ${IFCONFIG}
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| 19 |
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| 20 | if [ -z "${IP}" ]; then
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| 21 | boot_mesg "IP variable missing from ${IFCONFIG}, cannot continue." ${FAILURE}
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| 22 | echo_failure
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| 23 | exit 1
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| 24 | fi
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| 25 |
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| 26 | if [ -z "${PREFIX}" -a -z "${PEER}" ]; then
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| 27 | boot_mesg -n "PREFIX variable missing from ${IFCONFIG}," ${WARNING}
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| 28 | boot_mesg " assuming 24."
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| 29 | echo_warning
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| 30 | PREFIX=24
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| 31 | args="${args} ${IP}/${PREFIX}"
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| 32 | elif [ -n "${PREFIX}" -a -n "${PEER}" ]; then
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| 33 | boot_mesg "PREFIX and PEER both specified in ${IFCONFIG}, cannot continue." ${FAILURE}
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| 34 | echo_failure
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| 35 | exit 1
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| 36 | elif [ -n "${PREFIX}" ]; then
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| 37 | args="${args} ${IP}/${PREFIX}"
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| 38 | elif [ -n "${PEER}" ]; then
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| 39 | args="${args} ${IP} peer ${PEER}"
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| 40 | fi
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| 41 |
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| 42 | if [ -n "${BROADCAST}" ]; then
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| 43 | args="${args} broadcast ${BROADCAST}"
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| 44 | fi
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| 45 |
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| 46 | if [ -n "${SOURCE}" ]; then
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| 47 | args="${args} src ${SOURCE}"
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| 48 | fi
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| 49 |
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| 50 | case "${2}" in
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| 51 | up)
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| 52 | boot_mesg "Adding IPv4 address ${IP} to the ${1} interface..."
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| 53 | if [ "${INTERFACE}" != "" ]; then
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| 54 | ip addr add ${args} dev ${1} label ${1}
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| 55 | else
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| 56 | ip addr add ${args} dev ${1}
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| 57 | fi
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| 58 | evaluate_retval
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| 59 |
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| 60 | if [ "${INTERFACE}" = "" ]; then
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| 61 | if [ -n "${GATEWAY}" ]; then
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| 62 | if ip route | grep -q default; then
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| 63 | boot_mesg "Gateway already setup; skipping." ${WARNING}
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| 64 | echo_warning
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| 65 | else
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| 66 | boot_mesg "Setting up default gateway..."
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| 67 | ip route add default via ${GATEWAY} dev ${1}
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| 68 | evaluate_retval
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| 69 | fi
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| 70 | fi
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| 71 | fi
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| 72 | ;;
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| 73 |
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| 74 | down)
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| 75 | if [ "${INTERFACE}" = "" ]; then
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| 76 | boot_mesg "Removing Settings From ${1} interface..."
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| 77 | ip address flush dev ${1}
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| 78 | evaluate_retval
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| 79 | fi
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| 80 | ;;
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| 81 |
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| 82 | *)
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| 83 | echo "Usage: ${0} [interface] {up|down}"
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| 84 | exit 1
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| 85 | ;;
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| 86 | esac
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| 87 |
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| 88 | # End $network_devices/services/ipv4-static
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