[1] | 1 | #!/bin/sh
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| 2 | #
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[3542] | 3 | # $Id: mr-stablilo-me 3542 2016-03-24 16:48:03Z bruno $
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[1] | 4 | #
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| 5 |
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| 6 |
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| 7 | QuitIfNotFound() {
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| 8 | if [ ! -f "$1" ] ; then
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[3542] | 9 | LogIt "(mr-stablilo-me) Where's $1? I cannot continue." 1
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[1] | 10 | exit 1
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| 11 | fi
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| 12 | }
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| 13 |
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| 14 |
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| 15 |
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| 16 |
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| 17 | FindLiloDir() {
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| 18 | list=`find / | grep -name lilo.conf`
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| 19 | }
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| 20 |
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| 21 |
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| 22 |
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| 23 | LocateOldFstab() {
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| 24 | old_fstab=""
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| 25 | old_liloconf=""
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| 26 | if [ -f "/mnt/RESTORING/etc/fstab" ] ; then
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| 27 | LogIt "No need for fstab search." 2
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| 28 | # fstab_list=/mnt/RESTORING/etc/fstab
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| 29 | old_fstab=/mnt/RESTORING/etc/fstab
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| 30 | old_liloconf=/mnt/RESTORING/etc/lilo.conf
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| 31 | return 0
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| 32 | elif [ -f "/mnt/cdrom/archives/CUCKOO" ] ; then
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| 33 | LogIt "Because I'm cuckoo, I'll stop searching." 2
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| 34 | return 1
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| 35 | else
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| 36 | LogIt "Looking for fstab. Please wait." 2
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| 37 | fstab_list=`find /mnt/RESTORING -name fstab 2> /dev/null`
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| 38 | fi
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| 39 | where_they_live=""
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| 40 | for curr_fstab in $fstab_list ; do
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| 41 | curr_dir=`echo $curr_fstab | gawk '{i=index($0,"/fstab");print substr($0,0,i-1);}'`
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| 42 | resA=$?
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| 43 | curr_inetd=`find $curr_dir -name inetd.conf | grep -v "linuxconf"`
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| 44 | resB=$?
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| 45 | if [ "$resA" -eq "0" ] ; then
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| 46 | if [ "$where_they_live" != "" ] ; then
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| 47 | LogIt "Two directories found! One is $where_they_live, the other $curr_dir" 1
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| 48 | LogIt "I don't know which to choose. I'll abort the search." 1
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| 49 | return 1
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| 50 | fi
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| 51 | where_they_live=$curr_dir
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| 52 | fi
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| 53 | done
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| 54 | if [ "$where_they_live" = "" ] ; then
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| 55 | LogIt "Cannot find any folder which holds fstab _and_ inetd.conf" 1
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| 56 | return 1
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| 57 | fi
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| 58 | old_liloconf=$where_they_live/lilo.conf
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| 59 | old_fstab=$where_they_live/fstab
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| 60 | LogIt "LILO and fstab found." 2
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| 61 | return 0
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| 62 | }
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| 63 |
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| 64 |
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| 65 |
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| 66 | MakeBackups() {
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| 67 | LogIt "Backing up original files before modifying them..." 2
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| 68 | for i in $old_liloconf $old_fstab ; do
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| 69 | LogIt "Backing up $i"
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| 70 | [ -f "$i" ] && cp $i $i.prehack -f
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| 71 | done
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| 72 | }
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| 73 |
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| 74 |
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| 75 | RestoreBackups() {
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| 76 | LogIt "Restoring original versions of modified files..." 2
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| 77 | cp -f $old_liloconf /tmp/lilo.conf.ugly
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| 78 | cp -f $old_fstab /tmp/fstab.ugly
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| 79 | for i in $old_liloconf $old_fstab ; do
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| 80 | LogIt "Restoring $i"
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| 81 | [ -f "$i.prehack" ] && cp $i.prehack $i -f
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| 82 | done
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| 83 | }
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| 84 |
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| 85 |
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| 86 | WhatIsFirstDriveCalled() {
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[273] | 87 | cut -d' ' -f1 /tmp/mountlist.txt \
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[1] | 88 | | sed s/[0-9]// | sed s/[0-9]// \
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[277] | 89 | | sort -u | head -n 1
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[1] | 90 | }
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| 91 |
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| 92 |
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| 93 | # --------------------------------- main -------------------------------
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| 94 |
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[3542] | 95 | LogIt "mr-stablilo-me --- starting"
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[1] | 96 | LocateOldFstab
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| 97 | old_mountlist=/tmp/mountlist.original
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| 98 | new_mountlist=/tmp/mountlist.txt
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| 99 | QuitIfNotFound $old_mountlist
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| 100 | QuitIfNotFound $new_mountlist
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| 101 | QuitIfNotFound $old_fstab
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| 102 | QuitIfNotFound $old_liloconf
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| 103 | LogIt "OK so far: I've found all the files I need." 2
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| 104 |
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| 105 | MakeBackups
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| 106 |
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| 107 | new_fstab=/mnt/RESTORING/etc/fstab.NEW
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| 108 | [ ! -e "$new_fstab" ] && new_fstab=/mnt/RESTORING/etc/fstab
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| 109 | new_liloconf=/mnt/RESTORING/etc/lilo.conf.NEW
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| 110 | [ ! -e "$new_liloconf" ] && new_liloconf=/mnt/RESTORING/etc/lilo.conf
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| 111 |
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| 112 | LogIt "Modifying fstab..." 2
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| 113 | outval=0
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[3542] | 114 | mr-hack-fstab $old_mountlist $old_fstab $new_mountlist $new_fstab
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[1] | 115 | res=$?
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| 116 | if [ "$res" -ne "0" ] ; then
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[3542] | 117 | echo "Warning - mr-hack-fstab failed"
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[1] | 118 | outval=$(($outval+$res))
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| 119 | fi
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| 120 |
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| 121 | LogIt "Modifying lilo.conf. Please wait..." 2
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[3542] | 122 | mr-hack-lilo $old_mountlist $old_fstab $old_liloconf $new_mountlist $new_fstab $new_liloconf
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[1] | 123 | res=$?
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| 124 | outval=$(($outval+$res))
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| 125 | if [ "$outval" -ne "0" ] ; then
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| 126 | LogIt "Fstab and/or lilo modifications failed" 3
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| 127 | # RestoreBackups
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| 128 | else
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| 129 | LogIt "Modifications succeeded." 2
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| 130 | LogIt "Copying over $old_fstab" 2
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| 131 | cp -f $new_fstab $old_fstab
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| 132 | outval=$(($outval+$?))
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| 133 | LogIt "Copying over $old_liloconf" 2
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| 134 | cp -f $new_liloconf $old_liloconf
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| 135 | outval=$(($outval+$?))
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| 136 | if [ "$outval" -ne "0" ] ; then
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| 137 | LogIt "Modifications (copying) failed. Restoring from backups." 3
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| 138 | RestoreBackups
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| 139 | else
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| 140 | LogIt "Fstab and lilo files modified ok." 2
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| 141 | fi
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| 142 | cd $where_they_live
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| 143 | cd ..
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| 144 | LogIt "Running lilo from `pwd`" 2
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| 145 | cd /mnt/RESTORING
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| 146 | lilo -r `pwd` 2> /tmp/lilo.log.mondo
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| 147 | if [ "$?" -ne "0" ] ; then
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| 148 | lilo -L -r `pwd` 2> /tmp/lilo.log.mondo
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| 149 | fi
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| 150 | if [ "$?" -ne "0" ] ; then
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| 151 | LogIt "LILO failed." 3
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| 152 | cat /tmp/lilo.log.mondo
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| 153 | outval=$(($outval+1))
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| 154 | else
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| 155 | LogIt "LILO ran ok." 2
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| 156 | fi
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| 157 | fi
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| 158 |
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| 159 | if [ "$outval" -ne "0" ] ; then
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| 160 | LogIt "Error(s) occurred during lilo/fstab processing." 3
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| 161 | LogIt "Restoring originals." 3
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| 162 | RestoreBackups
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| 163 | else
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| 164 | LogIt "/etc/fstab and /etc/lilo.conf were modified ok. LILO ran ok." 3
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| 165 | fi
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[3542] | 166 | LogIt "mr-stablilo-me --- leaving"
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[1] | 167 | exit $outval
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| 168 |
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| 169 |
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