| 1 | #!/bin/sh
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| 2 | #
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| 3 | # (c) Copyright 2002, 2003, 2005 Stichting Wireless Leiden, all
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| 4 | # rights reserved. More information can be found on
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| 5 | # http://wwww.wirelessleiden.nl and the license is at:
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| 6 | # http://wleiden.webweaving.org:8080/svn/node-config/LICENSE
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| 7 | #
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| 8 | # 1.00
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| 9 | # ?? Marten Vijn 24-03-03
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| 10 | # ?? new version 14-11-2003
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| 11 | # 1.03 proxy cleanup, detect faulty files, generalize
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| 12 | # file list, check node name to be valid, '-n' mode.
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| 13 | # make moving of final files a bit safer. (dirkx)
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| 14 | # 1.04 Add auto read-only detection. (dirkx)
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| 15 | # 1.05 Cope with WHOST containing a port number. (dirkx).
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| 16 | # 1.06 Better diff (dirkx)
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| 17 | # 1.07 Check versions of OS and Script
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| 18 | #
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| 19 | # If there is a global system configuration file, suck it in.
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| 20 | #
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| 21 |
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| 22 | PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin
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| 23 | TMPDIR=${TMPDIR:-/tmp}
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| 24 | TMPPREFIX=${TMPDIR}/wl-tmp-$$
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| 25 | WHOST=${WHOST:-rambo.wleiden.net}
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| 26 | HTTP_PROXY_DEFAULT=${HTTP_PROXY:-http://proxy.wleiden.net:3128}
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| 27 | HTTP_USER_AGENT=${HTTP_USER_AGENT:-curl.faked.fetch/0.0}
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| 28 | VERSION=1.06
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| 29 | QUIET=${QUIET:-}
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| 30 | PRETEND=no
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| 31 | FORCE=no
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| 32 | CMD=do_move
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| 33 | DLV=no
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| 34 |
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| 35 | # Genesis master location.
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| 36 | link=${GENESIS:-http://${WHOST}/cgi-bin/g_list.pl/}
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| 37 | list=filelist
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| 38 |
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| 39 | # Location for private config
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| 40 | lcd=${LCDIR:-/lcd}
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| 41 | dir=${lcd}
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| 42 |
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| 43 | FETCH=${FETCH:-/usr/bin/fetch}
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| 44 | test -e ${FETCH} || FETCH="curl"
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| 45 |
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| 46 | if echo ${FETCH} | grep -q curl; then
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| 47 | FETCH="${FETCH} --silent"
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| 48 | else
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| 49 | FETCH="${FETCH} -q"
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| 50 | fi
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| 51 |
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| 52 | usage() {
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| 53 | echo Usage $0 [-q] [-p proxy] [-d] [-D] [-n] [hostname]
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| 54 | echo "-p <proxy> Set a proxy"
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| 55 | echo "-P Use ${HTTP_PROXY_DEFAULT} as a proxy"
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| 56 | echo "-D Use DHCP to get an address"
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| 57 | echo "-n Show what would happen - but do not do it"
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| 58 | echo "-d Diff met hudiige config (maar doe niets)"
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| 59 | echo "-q Suppress all output and user interaction"
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| 60 | echo "-F Force disk to write"
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| 61 | echo "-i Ignore all safety checks checks"
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| 62 | exit 1
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| 63 | }
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| 64 |
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| 65 | for i in $*
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| 66 | do
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| 67 | case "$i"
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| 68 | in
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| 69 | -D) connset || exit 1
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| 70 | ;;
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| 71 | -q)
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| 72 | QUIET=yes
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| 73 | ;;
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| 74 | -i)
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| 75 | DLV=
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| 76 | ;;
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| 77 | -d)
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| 78 | CMD=do_diff
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| 79 | dir=${TMPDIR}
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| 80 | ;;
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| 81 | -p)
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| 82 | shift;
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| 83 | HTTP_PROXY=$1
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| 84 | export HTTP_PROXY
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| 85 | ;;
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| 86 | -p)
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| 87 | HTTP_PROXY=HTTP_PROXY_DEFAULT
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| 88 | export HTTP_PROXY
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| 89 | ;;
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| 90 | -n)
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| 91 | PRETEND=yes
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| 92 | ;;
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| 93 | -F)
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| 94 | FORCE=yes
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| 95 | ;;
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| 96 | *)
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| 97 | test $# -eq 1 || usage
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| 98 | nodename=$i
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| 99 | break;
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| 100 | ;;
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| 101 | esac
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| 102 | shift
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| 103 | done
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| 104 |
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| 105 | HOST=`echo ${WHOST} | sed -e 's/:.*//'`
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| 106 | set `echo $VERSION | sed -e 's/\./ /'`
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| 107 | VERSION_MAJOR=$1
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| 108 | VERSION_MINOR=$2
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| 109 | VERSION_OTHER=$3
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| 110 |
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| 111 | # connection test function
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| 112 | connset()
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| 113 | {
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| 114 | if [ `ps ax | grep -c dhclient` != "1" ] ; then
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| 115 | killall dhclient
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| 116 | fi
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| 117 |
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| 118 | echo "Enter an IP address of a nearby Nameserver or use:"
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| 119 | echo " 1 to use COPE \(on Wleiden\)"
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| 120 | echo " 2 to use XS4All \(on the internet\)"
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| 121 | echo " 3 to use the LCP server \(on the internal LCP networ\)"
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| 122 |
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| 123 | echo -n "IP address or 1/2/3: "
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| 124 | read dns_list
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| 125 |
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| 126 | case $dns_list in
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| 127 | 1)
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| 128 | resolver="172.17.8.1"
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| 129 | ;;
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| 130 | 2)
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| 131 | resolver="194.109.9.99"
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| 132 | ;;
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| 133 | 3)
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| 134 | resolver="10.0.0.1"
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| 135 | ;;
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| 136 | *)
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| 137 | resolver=$dns_list
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| 138 | ;;
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| 139 | esac
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| 140 |
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| 141 | cp /etc/resolv.conf /etc/resolv.bak || exit 1
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| 142 | echo "nameserver ${resolver}" > /etc/resolv.conf
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| 143 |
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| 144 |
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| 145 | for nic in `ifconfig -l`
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| 146 | do
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| 147 | case ${nic} in
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| 148 | lo0 | wi*)
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| 149 | ;;
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| 150 | *)
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| 151 | if ping -qnoc ${HOST}; then
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| 152 | echo Connection on interface ${nic} to ${HOST} ok.
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| 153 | else
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| 154 | killall dhclient
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| 155 | echo Trying to get a DHCP lease on ${nic}
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| 156 | dhclient -1 ${nic}
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| 157 | fi
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| 158 | ;;
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| 159 | esac
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| 160 | done
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| 161 | }
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| 162 |
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| 163 | log()
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| 164 | {
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| 165 | if [ -z ${QUIET} ]; then
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| 166 | echo "$*"
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| 167 | fi
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| 168 | }
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| 169 | lognlr()
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| 170 | {
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| 171 | if [ -z ${QUIET} ]; then
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| 172 | echo -n "$*"
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| 173 | fi
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| 174 | }
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| 175 |
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| 176 | cleanse()
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| 177 | {
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| 178 | rm -f ${TMPPREFIX}.?
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| 179 | }
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| 180 |
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| 181 | # Normal exit; but make sure
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| 182 | # we also clean up any tmp files
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| 183 | #
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| 184 | cleanexit()
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| 185 | {
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| 186 | E=1
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| 187 | if [ $# -gt 0 ]; then
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| 188 | E=$1
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| 189 | fi
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| 190 | cleanse
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| 191 | log Exit
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| 192 | exit $E
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| 193 | # Trap any weird exit codes.
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| 194 | exit 1
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| 195 | }
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| 196 |
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| 197 | safefetch()
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| 198 | {
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| 199 | url=$1
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| 200 | file=$2
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| 201 | ${FETCH} -o - ${url} > ${TMPPREFIX}.x \
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| 202 | || cleanexit 1
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| 203 |
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| 204 | # Genesis can provide us with corrupted/empty files
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| 205 | # with a 200 OK - so insist that they are at least
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| 206 | # a few lines long.
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| 207 | #
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| 208 | set `wc -l ${TMPPREFIX}.x`
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| 209 | if [ $1 -lt 2 ]; then
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| 210 | echo File ${link}${nodename} is less than 2 lines long.
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| 211 | echo Assuming a problem with Genesis.
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| 212 | cleanexit 2
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| 213 | fi
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| 214 |
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| 215 | cp ${TMPPREFIX}.x ${file} \
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| 216 | || cleanexit 1
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| 217 | rm -f ${TMPPREFIX}.x
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| 218 |
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| 219 | return 0
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| 220 | }
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| 221 |
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| 222 | getvalidnodenames()
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| 223 | {
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| 224 | log Fetching list of nodes from ${link}
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| 225 | safefetch ${link} ${nlist} || cleanexit 1
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| 226 | }
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| 227 |
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| 228 | getvalidnodename()
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| 229 | {
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| 230 | while ! grep -q "^${nodename}\$" ${nlist}
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| 231 | do
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| 232 | echo Nodes:
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| 233 | if [ -x /usr/bin/column ]; then
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| 234 | column ${nlist}
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| 235 | else
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| 236 | cat ${nlist}
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| 237 | fi
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| 238 | echo
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| 239 | echo -n enter nodename \[default: ${default}\]:
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| 240 | if [ -z ${QUIET} ]; then
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| 241 | read nodename
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| 242 | else
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| 243 | nodename=${default}
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| 244 | fi
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| 245 |
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| 246 | if [ "x${nodename}" = "x" ]; then
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| 247 | nodename=${default}
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| 248 | fi
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| 249 | done
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| 250 |
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| 251 | echo Node Selected: ${nodename}
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| 252 | }
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| 253 |
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| 254 |
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| 255 | do_diff() {
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| 256 | if test -e $lcd/$1; then
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| 257 | diff -uwbB $lcd/$1 $dir/$1.new
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| 258 | else
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| 259 | echo Warning: $lcd/$1 does not yet exist - no DIFF
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| 260 | fi
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| 261 | }
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| 262 |
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| 263 | do_move() {
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| 264 | if [ -e $dir/$1 ]; then
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| 265 | mv $dir/$1 $dir/$1.bak || cleanexit 1
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| 266 | fi
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| 267 | cp $dir/$1.new $dir/$1 || cleanexit 1
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| 268 | rm $dir/$1.new || cleanexit 1
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| 269 | }
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| 270 |
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| 271 | linkin() {
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| 272 | symdir=$1
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| 273 | file=$2
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| 274 |
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| 275 | if [ ${PRETEND} = 'yes' ]; then
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| 276 | echo "** $CMD $*"
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| 277 | else
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| 278 | $CMD $file || exit 1
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| 279 | fi
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| 280 |
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| 281 | test -e $symdir/$file || (
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| 282 | echo WARNING: Symlink $symdir/$file not in place.
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| 283 | echo use: ln -s $dir/$file $symdir/$file
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| 284 | echo to fix if appropriate.
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| 285 | )
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| 286 | }
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| 287 |
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| 288 | log Config Node -- Version: $VERSION '$Rev: 5003 $'
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| 289 |
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| 290 | # Make sure we clean up our mess when needed.
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| 291 | trap "rm -f ${TMPPREFIX}.?; echo Failed; exit 1;" 2 3
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| 292 |
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| 293 | if [ ${PRETEND} != 'yes' -a ${CMD} != 'do_diff' ]; then
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| 294 | if mount | grep "on / " | grep -q read-only; then
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| 295 | if [ ${FORCE} = "yes" ]; then
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| 296 | echo Forcing read-only disk into rw.
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| 297 | fsck / || exit 2
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| 298 | mount -o noatime -u -w / || exit 2 || exit 1
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| 299 | trap "mount -u -r /; rm -f ${TMPPREFIX}.?; echo Failed; exit 1;" 2 3
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| 300 | FORCE=rw
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| 301 | else
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| 302 | echo ERROR - disk / is mounted read only. Aborting.
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| 303 | exit 1
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| 304 | fi
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| 305 | fi
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| 306 | fi
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| 307 |
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| 308 | export HTTP_USER_AGENT
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| 309 | export TMPDIR
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| 310 |
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| 311 |
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| 312 | #check config dir
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| 313 | #
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| 314 | if [ ! -d ${dir} ]; then
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| 315 | mkdir -p ${dir} || cleanexit 1
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| 316 | fi
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| 317 |
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| 318 | if [ -z ${HTTP_PROXY} ]; then
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| 319 | (
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| 320 | log Checking DNS for ${HOST}
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| 321 | host ${HOST} > /dev/null || exit 1
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| 322 | log Checking if ${HOST} can be reached
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| 323 | ping -qnoc 1 ${HOST} > /dev/null || exit 1
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| 324 | log Connection: Ok
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| 325 | exit 0
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| 326 | ) || connset
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| 327 | else
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| 328 | log Connection not checked because there is an http proxy configured: ${HTTP_PROXY}.
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| 329 | fi
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| 330 |
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| 331 | if [ -r ${lcd}/myname ]; then
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| 332 | default=`cat ${lcd}/myname`
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| 333 | else
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| 334 | default=`hostname -s`
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| 335 | test -z $default && default=none
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| 336 | fi
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| 337 |
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| 338 | if [ ! -z ${QUIET} ]; then
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| 339 | if [ -z ${nodename} ]; then
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| 340 | nodename=${default}
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| 341 | fi
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| 342 | fi
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| 343 |
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| 344 |
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| 345 | nlist=${TMPPREFIX}.l
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| 346 |
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| 347 | test -z $default && default=$nodename
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| 348 |
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| 349 | getvalidnodenames || exit 1
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| 350 |
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| 351 | test -z $nodename && getvalidnodename
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| 352 |
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| 353 | while test -z $nodename || ! grep -q ${nodename} ${nlist}
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| 354 | do
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| 355 | echo
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| 356 | echo Error: Node named \"$nodename\" not known.
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| 357 | if [ -z ${QUIET} ]; then
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| 358 | exit 1
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| 359 | fi
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| 360 | echo Please select one from the list.
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| 361 | echo
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| 362 | getvalidnodename
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| 363 | done
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| 364 |
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| 365 | lognlr "Checking release and OS versions: "
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| 366 |
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| 367 | safefetch ${link}${nodename}/info $dir/info.last \
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| 368 | || cleanexit 1
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| 369 |
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| 370 | OS=`uname -s`
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| 371 | REL=`uname -r`
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| 372 | set -- `head -1 $dir/info.last`
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| 373 |
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| 374 | # FreeBSD 5.0-RELEASE 1 YES
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| 375 | if [ $# != 4 ]; then
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| 376 | echo Info verification failed.
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| 377 | cleanexit 1
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| 378 | fi
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| 379 | if [ x$4 != 'xYES' ]; then
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| 380 | echo Genesis marked as disabled for this machine.
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| 381 | test -z ${DLV} || cleanexit 1
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| 382 | fi
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| 383 | if [ 0$3 -ne $VERSION_MAJOR ]; then
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| 384 | echo This script is version $VERSION, genesis info is for version $3.xx
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| 385 | test -z ${DLV} || cleanexit 1
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| 386 | fi
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| 387 | if [ x$1 != x$OS ]; then
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| 388 | echo Operating system mismatch; this machine: $OS, but config is for $1
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| 389 | test -z ${DLV} || cleanexit 1
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| 390 | fi
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| 391 | if [ x$2 != x$REL ]; then
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| 392 | echo This machine runs $REL, but the configuration is for $2
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| 393 | test -z ${DLV} || cleanexit 2
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| 394 | fi
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| 395 |
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| 396 | log Ok
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| 397 |
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| 398 | log Fetching file list from $link for $nodename
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| 399 |
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| 400 | safefetch ${link}${nodename} ${dir}/${list}
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| 401 |
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| 402 | lognlr "Fetching:"
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| 403 | for i in `cat ${dir}/${list}`
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| 404 | do
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| 405 | lognlr " ${i}"
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| 406 | # $FETCH -o - ${link}${nodename}/${i} > ${dir}/${i}.new || cleanexit 1
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| 407 | safefetch ${link}${nodename}/${i} ${dir}/${i}.new
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| 408 | done
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| 409 | log .
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| 410 |
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| 411 | for i in `cat ${dir}/${list}`
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| 412 | do
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| 413 | case ${i} in
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| 414 | linux.sh | config | txtconfig )
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| 415 | # log obsolete file: ${i} - skipped
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| 416 | ;;
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| 417 | resolv.conf | rc.node.local | rc.local)
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| 418 | linkin /etc ${i}
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| 419 | ;;
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| 420 | snmpd.local.conf)
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| 421 | linkin /usr/local/share/snmp ${i}
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| 422 | ;;
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| 423 | named.conf)
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| 424 | linkin /etc/namedb ${i}
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| 425 | ;;
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| 426 | dhcpd.conf)
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| 427 | linkin /usr/local/etc ${i}
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| 428 | ;;
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| 429 | zebra.conf | ospfd.conf)
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| 430 | linkin /usr/local/etc/zebra ${i}
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| 431 | ;;
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| 432 | authorized_keys)
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| 433 | linkin /root/.ssh ${i}
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| 434 | ;;
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| 435 | ssh_known_hosts)
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| 436 | linkin /etc/ssh ${i}
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| 437 | ;;
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| 438 | daemons.sh)
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| 439 | linkin /wl ${i}
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| 440 | ;;
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| 441 | *)
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| 442 | echo Script cannot cope with ${i} - ignoring..
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| 443 | ;;
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| 444 | esac
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| 445 | done
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| 446 |
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| 447 | if [ -e /etc/rc.local ]; then
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| 448 | # See if we are in rc.local
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| 449 | if grep -q /config-node.sh /etc/rc.local; then
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| 450 |
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| 451 | echo As this node now has real configs - do enter a root password
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| 452 | echo
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| 453 | passwd \
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| 454 | || cleanexit 1
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| 455 |
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| 456 | echo Removing /etc/rc.local
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| 457 | rm -f /etc/rc.local
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| 458 |
|
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| 459 | echo Will drop write perms on the next reboot.
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| 460 | fi
|
|---|
| 461 | fi
|
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| 462 |
|
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| 463 | # Record our name.
|
|---|
| 464 | echo ${nodename} > ${dir}/myname
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| 465 |
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|---|
| 466 | # Rebuild reverse lookups
|
|---|
| 467 | if test -e /etc/rc.node.local; then
|
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| 468 | H=`cat /etc/rc.node.local | grep hostname | sed -e s/hostname=// | sed -e s/[\"\']//g`
|
|---|
| 469 | hostname $H
|
|---|
| 470 | else
|
|---|
| 471 | echo Warning: rc.node.local missing.
|
|---|
| 472 | fi
|
|---|
| 473 |
|
|---|
| 474 | if [ -r /etc/namedb/make-localhost -a ${CMD} != 'do_diff' ]; then
|
|---|
| 475 | (
|
|---|
| 476 | cd /etc/namedb || exit 1
|
|---|
| 477 | sh /etc/namedb/make-localhost || exit 1
|
|---|
| 478 | ) || exit 1
|
|---|
| 479 | fi
|
|---|
| 480 |
|
|---|
| 481 | cleanse || exit 1
|
|---|
| 482 |
|
|---|
| 483 | if [ -e /etc/rc.empty.conf ] ; then
|
|---|
| 484 | rm /etc/rc.empty.conf || exit 1
|
|---|
| 485 | echo removed /etc/rc.empty.conf - and rebooting in 30 seconds \(or press ctrl-C to abort\)
|
|---|
| 486 | read -t 30 DUMMY
|
|---|
| 487 | reboot
|
|---|
| 488 | fi
|
|---|
| 489 |
|
|---|
| 490 | test ${FORCE} = 'rw' && mount -u -r /
|
|---|
| 491 | exit 0
|
|---|
