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| 1 | +#!/bin/sh |
| 2 | +######################################################################## |
| 3 | +# Begin /lib/services/ipv4-static |
| 4 | +# |
| 5 | +# Description : IPV4 Static Boot Script |
| 6 | +# |
| 7 | +# Authors : Nathan Coulson - [email protected] |
| 8 | +# Kevin P. Fleming - [email protected] |
| 9 | +# Update : Bruce Dubbs - [email protected] |
| 10 | +# |
| 11 | +# Version : LFS 7.0 |
| 12 | +# |
| 13 | +######################################################################## |
| 14 | + |
| 15 | +#. /lib/lsb/init-functions |
| 16 | +. ${IFCONFIG} |
| 17 | + |
| 18 | +if [ -z "${IP}" ]; then |
| 19 | + echo "IP variable missing from ${IFCONFIG}, cannot continue." |
| 20 | + exit 1 |
| 21 | +fi |
| 22 | + |
| 23 | +if [ -z "${PREFIX}" -a -z "${PEER}" ]; then |
| 24 | + echo "PREFIX variable missing from ${IFCONFIG}, assuming 24." |
| 25 | + PREFIX=24 |
| 26 | + args="${args} ${IP}/${PREFIX}" |
| 27 | + |
| 28 | +elif [ -n "${PREFIX}" -a -n "${PEER}" ]; then |
| 29 | + echo "PREFIX and PEER both specified in ${IFCONFIG}, cannot continue." |
| 30 | + exit 1 |
| 31 | + |
| 32 | +elif [ -n "${PREFIX}" ]; then |
| 33 | + args="${args} ${IP}/${PREFIX}" |
| 34 | + |
| 35 | +elif [ -n "${PEER}" ]; then |
| 36 | + args="${args} ${IP} peer ${PEER}" |
| 37 | +fi |
| 38 | + |
| 39 | +if [ -n "${BROADCAST}" ]; then |
| 40 | + args="${args} broadcast ${BROADCAST}" |
| 41 | +fi |
| 42 | + |
| 43 | +case "${2}" in |
| 44 | + up) |
| 45 | + if [ "$(ip addr show ${1} 2>/dev/null | grep ${IP}/)" = "" ]; then |
| 46 | + |
| 47 | + # Cosmetic output not needed for multiple services |
| 48 | + #if ! $(echo ${SERVICE} | grep -q " "); then |
| 49 | + # echo "" # Terminate the previous message |
| 50 | + #fi |
| 51 | + |
| 52 | + echo "Adding IPv4 address ${IP} to the ${1} interface..." |
| 53 | + ip addr add ${args} dev ${1} |
| 54 | + #evaluate_retval |
| 55 | + else |
| 56 | + echo "Cannot add IPv4 address ${IP} to ${1}. Already present." |
| 57 | + fi |
| 58 | + ;; |
| 59 | + |
| 60 | + down) |
| 61 | + if [ "$(ip addr show ${1} 2>/dev/null | grep ${IP}/)" != "" ]; then |
| 62 | + echo "Removing IPv4 address ${IP} from the ${1} interface..." |
| 63 | + ip addr del ${args} dev ${1} |
| 64 | + #evaluate_retval |
| 65 | + fi |
| 66 | + |
| 67 | + if [ -n "${GATEWAY}" ]; then |
| 68 | + # Only remove the gateway if there are no remaining ipv4 addresses |
| 69 | + if [ "$(ip addr show ${1} 2>/dev/null | grep 'inet ')" != "" ]; then |
| 70 | + echo "Removing default gateway..." |
| 71 | + ip route del default |
| 72 | + #evaluate_retval |
| 73 | + fi |
| 74 | + fi |
| 75 | + ;; |
| 76 | + |
| 77 | + *) |
| 78 | + echo "Usage: ${0} [interface] {up|down}" |
| 79 | + exit 1 |
| 80 | + ;; |
| 81 | +esac |
| 82 | + |
| 83 | +# End /lib/services/ipv4-static |
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