From: "Bill Royds" <broyds@home.com>
To: "Zachary Uram" <zu22@andrew.cmu.edu>
Subject: RE: hack
Date: Sun, 22 Jul 2001 23:46:11 -0400

....

> This script is designed for Solaris and it needs a directories /var/backups and /backups to exist first.
> 
> #!/bin/sh
> #create script for restoring  disks onto a tape drive
> # $1  is restore script name, $2 is backup script name
> # $Id: restnew.sh,v 1.2 1999/11/15 16:12:34 root Exp $
> # $Log: restnew.sh,v $
> # Revision 1.2  1999/11/15 16:12:34  root
> # Add entries for RCS ident
> # WGR
> #
> makeline()
> {
>    df -F ufs -k | sort -k 6 | nawk '/\/dev/{print $6,$1}'
> }
> host=${1:-`hostname`}
> restname=${1:-r-`hostname`.sh}
> # show this to be a bourne shell script
> echo '#!/usr/bin/sh' >$restname
> echo "#script to recreate files systems from backup tape for `hostname`" >>$restname
> echo "# script created on `date`" >>$restname
> echo '# run script by:' >>$restname
> echo '#  1. boot CDROM -s' >>$restname
> echo '#  2. mount -F pcfs /dev/diskette /mnt' >>$restname
> echo "#  3. sh /mnt/$restname" >> $restname
> echo '#partition the hard disks to original format' >> $restname
> cat >/tmp/newfs.$$ <<'NAWK'
> / \//{printf "echo y |newfs -v /dev/rdsk/%s%1d\n",DSKNAME,$1}
> NAWK
> cat >/tmp/newdir.$$ <<'NAWK'
> / \//{printf "mkdir /tmp/tmproot%s\nmount -F ufs /dev/dsk/%s%1d /tmp/tmproot%s\n",$7,DSKNAME,$1,$7}
> NAWK
> bootdisk='/dev/dsk/c0t0d0s0' 
> for disk in `df -F ufs -k | tail +2 | cut -f1 -d' ' | sed 's/s.$/s2/' | sort -u`
>   do	 
>   dskname=`(basename $disk|sed 's/s2$/s/')`
>   fmtdata=/tmp/$dskname.fmt 
>   echo "cat >$fmtdata <<FORMAT" >>$restname
>   prtvtoc $disk >/tmp/$dskname.vtoc
>   root=`grep '/$' /tmp/$dskname.vtoc|sed 's/^ *//' | cut -f1 -d' '`
>   if [ 'x' != "x$root" ] 
>   then bootdisk="/dev/dsk/$dskname$root"
>   fi
>   cat /tmp/$dskname.vtoc >> $restname
>   echo 'FORMAT' >> $restname
>   echo "if [ -c $disk ]  " >>$restname
>   echo "   then " >> $restname
>   echo "fmthard -s $fmtdata $disk" >>$restname
>   echo "fi" >> $restname
>   echo  '#new file systems for this disk then mount at temporary mount point'  >> $restname
> #generate a new file system part of script
>   cat /tmp/$dskname.vtoc|  grep -v '^\*' \
>    | sort -k 1 | nawk -v DSKNAME="$dskname" -f /tmp/newfs.$$ >>$restname
>   cat /tmp/$dskname.vtoc|  grep -v '^\*' \
>    | sort -k 7 | nawk -v DSKNAME="$dskname" -f /tmp/newdir.$$ >>$restname
> done
> # include header lines
> cat >>$restname <<'HEADER'
> cd /tmp
> # find where tape drive is mounted
> if test -c /dev/rmt/0
> then tapedrv=/dev/rmt/0
> elif test -c /dev/rmt/1
> then tapedrv=/dev/rmt/1
> else
>     echo "No tape drive found, please call firewall operations personnel "
>    exit 5
> fi
> /usr/bin/mt -f $tapedrv rewind
> until [ $?0 ]
> do
>     sleep 20
>    /usr/bin/mt -f $tapedrv status
> done
> HEADER
> # now make a restore line for each file system on this machine
> cat >/tmp/nawk.$$ <<'NAWK'
> /\/dev/{printf "cd /tmp/tmproot%s\n /usr/sbin/ufsrestore rfs \$tapedrv %d\nsleep 40\n sync\n echo partition %s restored\n" ,$1,NR,$1} 
> NAWK
> (  makeline | nawk -f /tmp/nawk.$$  ) >> $restname
> echo '/usr/bin/mt -f $tapedrv offline' >>$restname
> echo "installboot /usr/platform/`uname -i`/lib/fs/ufs/bootblk  $bootdisk" >> $restname
> echo 'reboot -- -r' >>$restname
> echo 'exit' >>$restname
> chmod u+x $restname
> #######create a baseline MD5 sum for all directories
> makeline | nawk '{printf "/backups/checksum.sh %s %s",$2,$1}' >/backups/$host.md5 
> /backups/$host.md5
> ################Make corresponding backup script
> ####
> ###################
> scriptname=${2:-back-`hostname`.sh}
> echo '#!/bin/sh' >$scriptname
> echo 'if test -c /dev/rmt/0' >> $scriptname
> echo 'then TAPE=/dev/rmt/0' >> $scriptname
> echo 'elif test -c /dev/rmt/1' >> $scriptname
> echo 'then TAPE=/dev/rmt/1' >> $scriptname
> echo 'else' >> $scriptname
> echo '    echo "No tape drive found, please type "' >> $scriptname
> echo '   echo "call firewall personnel "' >> $scriptname
> echo '   exit 5' >> $scriptname
> echo 'fi' >> $scriptname
> echo 'export TAPE' >> $scriptname
> echo 'echo -c "Please enter the backup tape label:" ' >> $scriptname
> echo 'read tapelabel' >> $scriptname
> echo '/usr/bin/mt rewind' >> $scriptname
> echo 'until [ $?0 ]' >> $scriptname
> echo 'do' >> $scriptname
> echo '   /usr/bin/mt status' >> $scriptname
> echo 'done' >> $scriptname
> echo 'TMPDIR=${2:-/var/tmp}' >> $scriptname
> echo 'export TMPDIR' >> $scriptname
> echo 'backuplog=${1:-$TMPDIR/backup.log}' >> $scriptname
> echo 'echo "Backup of `hostname` using $tapelabel on `date`" >$backuplog ' >> $scriptname
> tapeloc='${TAPE}' 
> (  makeline | nawk -v tapeloc="$tapeloc" \
>    '{printf "/usr/bin/sh /backups/checksum.sh %s %d %s\n/usr/sbin/ufsdump 0cuf %scn %s 2>&1 | tee -a $backuplog\necho Backup of %s on %s `date` >> $backuplog \nsleep 30\n",$1,NR,$2,tapeloc,$2,$1,$2}' ) >> $scriptname
> echo "/usr/bin/mt -f $tapeloc offline" >> $scriptname
> echo "# Move backup information to /var/backups/ directory" >> $scriptname
> echo 'BACKUPDIR=/var/backups/`date "+%h%d_%H_%Y" `' >> $scriptname
> echo 'if [ -d $BACKUPDIR ] ' >> $scriptname
> echo '   then $BACKUPDIR="$BACKUPDIR_$$" ' >> $scriptname
> echo 'fi' >>$scriptname
> echo 'mkdir $BACKUPDIR' >> $scriptname
> echo "mv \$TMPDIR/`hostname`.? \$BACKUPDIR" >> $scriptname
> echo 'mv $backuplog $BACKUPDIR' >> $scriptname
> echo 'cp /etc/dumpdates $BACKUPDIR' >> $scriptname
> echo 'wait ' >> $scriptname
> echo '(echo ;echo "Dumpdates file for `date`";cat /etc/dumpdates)>> $BACKUPDIR/backup.log' >>$scriptname 
> echo 'mailx -s "dump log from `hostname` on `date` " backups < $BACKUPDIR/backup.log ' >> $scriptname
> echo 'echo "please remove backup tape for tape drive and logoff " >/dev/console ' >>$scriptname
> chmod u+x $scriptname
>