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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