| 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 | ip addr add ${args} dev ${1} |
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| 54 | evaluate_retval |
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| 55 | |
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| 56 | if [ -n "${GATEWAY}" ]; then |
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| 57 | if ip route | grep -q default; then |
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| 58 | boot_mesg "Gateway already setup; skipping." ${WARNING} |
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| 59 | echo_warning |
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| 60 | else |
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| 61 | boot_mesg "Setting up default gateway..." |
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| 62 | ip route add default via ${GATEWAY} dev ${1} |
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| 63 | evaluate_retval |
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| 64 | fi |
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| 65 | fi |
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| 66 | ;; |
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| 67 | |
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| 68 | down) |
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| 69 | if [ -n "${GATEWAY}" ]; then |
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| 70 | boot_mesg "Removing default gateway..." |
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| 71 | ip route del default |
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| 72 | evaluate_retval |
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| 73 | fi |
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| 74 | |
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| 75 | boot_mesg "Removing IPv4 address ${IP} from the ${1} interface..." |
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| 76 | ip addr del ${args} dev ${1} |
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| 77 | evaluate_retval |
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| 78 | ;; |
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| 79 | |
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| 80 | *) |
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| 81 | echo "Usage: ${0} [interface] {up|down}" |
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| 82 | exit 1 |
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| 83 | ;; |
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| 84 | esac |
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| 85 | |
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| 86 | # End $network_devices/services/ipv4-static |
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