| [163a6701] | 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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