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Text File  |  1995-05-21  |  39.1 KB  |  1,282 lines
  1. #!/bin/sh
  2. # *************************************************************************
  3. # *                                                                       *
  4. # * Menu-driven backup script using tar. Author Jonathan Warburton-Brown  *
  5. # *                                                                       *
  6. # * This utility is freely distributable under the terms of the GNU GPL.  *
  7. # *                                                                       *
  8. # *************************************************************************
  9. #
  10.  
  11. #
  12. # ------- UNCOMMENT THIS LINE IF YOUR CONSOLE TYPE (eg con80x25) IS NOT
  13. # ------- DEFINED IN THE TERMINFO DATABASE. NOTE MOST USERS OF LINUX USE
  14. # ------- con80x25 SO THIS HAS BEEN INCLUDED WITH THE DISTRIBUTION.
  15. # ------- Also con80x25 makes LBU look much prettier
  16.  
  17. # TERM=vt100 ; export TERM
  18.  
  19. #
  20. # ------- SET THIS VARIABLE TO yes IF ONLY ROOT IS TO BE ALLOWED TO RUN LBU
  21. #
  22. TVERSION="Linux Business Systems V1.2                    `date`"
  23. lbu_root_only=no
  24.  
  25. #
  26. # ------- CHANGE THIS IF YOU CHANGE THE NAME OF THE BACKUP SCRIPT
  27. #
  28.  
  29. lbu_program_name=lbu
  30.  
  31. #
  32. # ------- CHANGE THIS TO POINT TO THE LBU LIBRARY & HELP FILES
  33. #
  34.  
  35. lbu_dir=/usr/lib/LBU
  36.  
  37. #
  38. # ------- PER USER TEMPORARY STORAGE FILE
  39. #
  40.  
  41. lbu_tmpfile="/tmp/$LOGNAME"lbu_sel
  42.  
  43. # *************************************************************************
  44. # *                        L.B.U Processing sub-routines                  *
  45. # *************************************************************************
  46.  
  47.  
  48. lbu_proceed() {
  49.     lbu_loop1=1
  50.     while [ $lbu_loop1 = 1 ]; do
  51.     dialog --title "$lbu_title" \
  52.     --backtitle " $TVERSION" \
  53.     --menu " " 20 74 14 \
  54.     "Device"   "Select bkup/rstr/cmpr device.   ($lbu_dsply_dev)"     \
  55.     "File/Dir" "Select data to bkup/rstr/cmpr.  ($lbu_dsply_dfl)"     \
  56.     "Options"  "(Un)Set run-time option flags."            \
  57.     "Begin"       "Start the backup procedure."            \
  58.     "Schedule" "Schedule backup/restore for later."            \
  59.     "Restore"  "Restore previous backup."                \
  60.     "Look"     "Look at status screen."                \
  61.     "Compare"  "Check for differences between backup & file-system."\
  62.     "Inspect"  "Look at latest bkup/rstr/cmpr log."            \
  63.     "View"       "View the contents of a previous backup."        \
  64.     "Write"    "Save currently selected details to disk."        \
  65.     "Exclude"  "Create/Modify an exclusion list"            \
  66.     "Help"     "Help regarding the L.B.U."                 \
  67.     "Quit"     "Quit Linux Backup Utility."                2> $lbu_tmpfile
  68.  
  69. # ------- Get selection and act accordingly
  70.  
  71.     if [ $? = 1 -o $? = 255 ]; then
  72.         rm $lbu_tmpfile
  73.         lbu_msgtyp="Informational" ; lbu_msgtxt="Operation cancelled."
  74.         lbu_hgt=5 ; lbu_wth=34
  75.         lbu_message
  76.         reset ; clear
  77.         exit
  78.     fi
  79.  
  80.     lbu_chc=`cat $lbu_tmpfile`
  81.     rm -f $lbu_tmpfile
  82.     case $lbu_chc in
  83.         Device)     lbu_devsel;;
  84.         File/Dir)    lbu_fstsel;;
  85.         Options)    lbu_options;;
  86.         Begin)        lbu_begin;;
  87.         Schedule)    lbu_schedule;;
  88.         Restore)    lbu_restore;;
  89.         Look)        lbu_look;;
  90.         Compare)    lbu_comp;;
  91.         Inspect)    lbu_inspect;;
  92.         View)        lbu_view;;
  93.         Write)             lbu_write;;
  94.         Exclude)    lbu_exclude;;
  95.         Help)
  96.                 lbu_hlpfile="$lbu_dir/lbu_help1"
  97.                 lbu_help
  98.                 ;;
  99.  
  100.         Quit)        lbu_quit;;
  101.         *)        lbu_invent;;
  102.     esac
  103.     done
  104. }
  105.  
  106. # *********************************************************************
  107. # *             Backup device selection subroutine                    * 
  108. # *********************************************************************
  109.  
  110. lbu_devsel() {
  111.     lbu_loop2=1
  112.     lbu_devtype=""
  113.     lbu_dsply_dev=""
  114.     while [ $lbu_loop2 = 1 ]; do
  115.     lbu_devexist=yes
  116.     lbu_ext=$lbu_orig_ext
  117.     lbu_loop2=0
  118.     dialog --title "L.B.U device selection" --inputbox "Select backup/restore device (? for help)" 8 48 2> $lbu_tmpfile
  119.     lbu_device=`tr -s [*\ ] [?_] < $lbu_tmpfile`
  120.     rm -f $lbu_tmpfile
  121.  
  122. # ------- check for no input provided
  123.  
  124.       if [ -z "$lbu_device" ]; then
  125.         lbu_msgtyp="Error" ; lbu_msgtxt="No backup/restore device specified\n        Aborting"
  126.         lbu_hgt=6 ; lbu_wth=38
  127.         lbu_message
  128.         lbu_loop2=0
  129.     else
  130.  
  131. # ------- asking for help ?
  132.  
  133.         if [ $lbu_device = ? ]; then
  134.             lbu_hlpfile="$lbu_dir/lbu_help2"
  135.             lbu_help
  136.             lbu_loop2=1
  137.             lbu_dsply_dev="" ; lbu_device=""
  138.         else
  139.  
  140. # ------- validate that either a block device or a filename is entered
  141.  
  142.             if [ -a $lbu_device ]; then
  143.                 lbu_devtype=`ls -ld $lbu_device | cut -c1`
  144.                 if [ $lbu_devtype = b ]; then
  145.                     lbu_ext=""
  146.                 fi
  147.                 if [ $lbu_devtype = c ]; then
  148.                     lbu_msgtyp="Warning" ; lbu_msgtxt="You have selected a character special\ndevice. Normally such a device is\nselected only if it is a tapedrive\nor similar stream device."
  149.                     lbu_hgt=8 ; lbu_wth=45
  150.                     lbu_message
  151.                     lbu_ext=""
  152.                 fi    
  153.  
  154.                 if [ $lbu_devtype = d ]; then
  155.                     lbu_msgtyp="Error" ; lbu_msgtxt="File specified is a directory.\nPlease specify a file or device."
  156.                     lbu_hgt=6 ; lbu_wth=40
  157.                     lbu_message
  158.                     lbu_loop2=1    
  159.                 fi
  160.  
  161.                 if [ $lbu_devtype = l ]; then
  162.                     lbu_msgtyp="Error" ; lbu_msgtxt="File specified is a link.\nPlease specify a file or device."
  163.                     lbu_hgt=6 ; lbu_wth=40
  164.                     lbu_message
  165.                     lbu_loop2=1    
  166.                 fi
  167.  
  168.             else
  169.                 if [ -a $lbu_device$lbu_ext ]; then
  170.                     lbu_msgtyp="Informational" ; lbu_msgtxt="The file $lbu_device$lbu_ext exists and \nis not a device file. If a BACKUP is being performed\nit will be overwritten. If this is not OK, reselect the device."
  171.                     lbu_hgt=7 ; lbu_wth=70
  172.                     lbu_message
  173.                 else
  174.                     touch $lbu_device$lbu_ext 2> /dev/null
  175.                     rm $lbu_device$lbu_ext 2> /dev/null
  176.                     if [ $? != 0 ]; then
  177.                         lbu_msgtyp="Error" ; lbu_msgtxt="Path to file $lbu_device$lbu_ext not present.\nPlease re-enter."
  178.                         lbu_hgt=6 ; lbu_wth=70
  179.                         lbu_message
  180.                         lbu_loop2=1
  181.                     else
  182.                         lbu_msgtyp="Warning" ; lbu_msgtxt="The file $lbu_device$lbu_ext does NOT exist.\nIf a BACKUP is being performed it will be created as\nan ordinary file.\nIf you are about to perform a RESTORE operation\nit will FAIL unless you specify an existing file or device."
  183.                         lbu_hgt=9 ; lbu_wth=70
  184.                         lbu_message
  185.                         lbu_devexist=no
  186.                     fi
  187.                 fi
  188.             fi
  189.         fi
  190.     fi
  191.  
  192.     if [ ! -z "$lbu_device" ]; then
  193.         lbu_device=$lbu_device$lbu_ext
  194.         lbu_dsply_dev=`echo $lbu_device | cut -c1-20`'...'
  195.     fi
  196.     done
  197. }
  198.  
  199. # ********************************************************************
  200. # *         Backup directory / file selection subroutine             *
  201. # ********************************************************************
  202.  
  203. lbu_fstsel() {
  204.     lbu_loop2=1
  205.     lbu_dirfil=""
  206.     lbu_dsply_dfl=""
  207.     while [ $lbu_loop2 = 1 ]; do
  208.         lbu_loop2=0
  209.         dialog --title "L.B.U directory / file selection" --inputbox "Enter a comma (,) separated list of dirs and/or files (? for help)" 8 77 2> $lbu_tmpfile
  210.         lbu_dirfil=`tr -s "[ ]" "[,]" < $lbu_tmpfile`
  211.         case $lbu_dirfil in
  212.             '')
  213.                 lbu_msgtyp="Warning" ; lbu_msgtxt="No dirs / files specified."
  214.                 lbu_hgt=5 ; lbu_wth=35
  215.                 lbu_message
  216.                 lbu_loop2=0
  217.                 ;;
  218.  
  219.             \*)    ;;
  220.  
  221.             \?)
  222.                 lbu_hlpfile="$lbu_dir/lbu_help3"
  223.                 lbu_help
  224.                 lbu_loop2=1
  225.                 ;;
  226.  
  227.             *)
  228.                 lbu_dirfil=$lbu_dirfil','
  229.                 echo $lbu_dirfil > $lbu_tmpfile
  230.                 lbu_loop3=1
  231.                 lbu_ctr=1
  232.                 while [ $lbu_loop3 = 1 ]; do
  233.                     lbu_field=`cut -f$lbu_ctr -d, < $lbu_tmpfile`
  234.                     case $lbu_field in
  235.                         $lbu_dirfil)    lbu_loop3=0;;
  236.                         *\**)        ;;
  237.                         *\?*)        ;;
  238.                         *)
  239.                         if [ ! -a $lbu_field ]; then
  240.                             lbu_msgtyp="Informational" ; lbu_msgtxt="One of the files or directories specified\ndoes not exist. If doing a BACKUP this will\ncause the Status Screen to show FAILURE\neven though existing files WILL have been\nbacked up. Be sure to check the logfile."
  241.                             lbu_hgt=9 ; lbu_wth=50
  242.                             lbu_message
  243.                             lbu_loop3=0
  244.                         fi;;
  245.                     esac
  246.                 lbu_ctr=`expr $lbu_ctr + 1`
  247.                 done;;
  248.         esac    
  249.     done
  250.     echo $lbu_dirfil > $lbu_tmpfile
  251.     case $lbu_dirfil in
  252.     '')
  253.         rm -f $lbu_tmpfile
  254.         ;;
  255.     *)
  256.         lbu_dirfil=`tr "[,]" "[ ]" <$lbu_tmpfile`
  257.         lbu_dsply_dfl=`echo $lbu_dirfil | cut -c1-20`'...'
  258.         ;;
  259.     esac
  260. }
  261.  
  262. # **********************************************************************
  263. # *                (Un)Set runtime options                             *
  264. # **********************************************************************
  265.     
  266. lbu_options() {
  267.  
  268.     lbu_loop2=1
  269.     while [ $lbu_loop2 = 1 ]; do
  270.         dialog --title "$lbu_title" \
  271.         --backtitle "$TVERSION"\
  272.         --menu "\n            **** RUNTIME OPTIONS ****\n" 20 74 14 \
  273.         "Done"     "Return to Main Menu."                    \
  274.         "Multi"    "Multi-volume archive.                  ($lbu_dsply_multi)"     \
  275.         "Absolute" "Preserve absolute pathnames.           ($lbu_dsply_absol)"     \
  276.         "Inform"   "Mail log file to self.                 ($lbu_dsply_mail)"    \
  277.         "Block"       "Specify Block-size.                    ($lbu_dsply_blcks)"    \
  278.         "Perms"       "Preserve permissions.                  ($lbu_dsply_perms)"    \
  279.         "Owner"       "Preserve ownership.                    ($lbu_dsply_owner)"    \
  280.         "Totals"   "Log total byte-count.                  ($lbu_dsply_total)"    \
  281.         "Verbose"  "Verbose logging.                       ($lbu_dsply_vbose)"    \
  282.         "Compress" "Select compression type.               ($lbu_dsply_cmprs)"    \
  283.         "Exclude"  "Enable/Disable file exclusion          ($lbu_dsply_excl)"    \
  284.         "Help"     "Help regarding Options"                    2> $lbu_tmpfile
  285.  
  286. # ------- Get the selection made and act accordingly
  287.  
  288.         if [ $? = 1 -o $? = 255 ]; then
  289.             rm $lbu_tmpfile
  290.             lbu_msgtyp="Informational" ; lbu_msgtxt="Operation cancelled."
  291.             lbu_hgt=5 ; lbu_wth=34
  292.             lbu_message
  293.             lbu_loop2=0
  294.         else
  295.  
  296.             lbu_sel=`cat $lbu_tmpfile`
  297.             rm -f $lbu_tmpfile
  298.  
  299.             case $lbu_sel in
  300.             Multi)         
  301.                 if [ $lbu_dsply_multi = yes ]; then
  302.                     lbu_dsply_multi=no ; lbu_multi=""
  303.                 else
  304.                     lbu_dsply_multi=yes ; lbu_multi="-M"
  305.                     if [ $lbu_cmprs != "" ]; then
  306.                         lbu_dsply_cmprs="none" ; lbu_cmprs=''
  307.                         lbu_device="" ; lbu_dsply_dev="" ; lbu_orig_ext=".tar"
  308.                         lbu_msgtyp="Informational" ; lbu_msgtxt="Cannot have compressed multi-volume archives.\nCompression parameter set to 'none'.\nYOU MUST RE-SELECT THE BACKUP DEVICE."
  309.                         lbu_hgt=7 ; lbu_wth=55
  310.                         lbu_message
  311.                     fi
  312.                 fi
  313.                 ;;
  314.             Absolute)
  315.                 if [ $lbu_dsply_absol = yes ]; then 
  316.                     lbu_dsply_absol=no  ; lbu_absol=""
  317.                 else
  318.                     lbu_dsply_absol=yes ; lbu_absol="P"
  319.                 fi
  320.                 ;;
  321.             Inform)
  322.                 if [ $lbu_dsply_mail = yes ]; then 
  323.                     lbu_dsply_mail=no  ; lbu_mail=no
  324.                 else
  325.                     lbu_dsply_mail=yes ; lbu_mail=yes
  326.                 fi
  327.                 ;;
  328.             Block)
  329.                 lbu_blocksize
  330.                 ;;
  331.             Perms)    
  332.                 if [ $lbu_dsply_perms = yes ]; then 
  333.                     lbu_dsply_perms=no  ; lbu_perms=""
  334.                 else
  335.                     lbu_dsply_perms=yes ; lbu_perms="p"
  336.                 fi
  337.                 ;;
  338.             Owner)
  339.                 if [ $lbu_dsply_owner = yes ]; then 
  340.                     lbu_dsply_owner=no  ; lbu_owner=""
  341.                 else
  342.                     lbu_dsply_owner=yes ; lbu_owner='--same-owner'
  343.                 fi
  344.                 ;;
  345.             Totals)
  346.                 if [ $lbu_dsply_total = yes ]; then 
  347.                     lbu_dsply_total=no  ; lbu_total=""
  348.                 else
  349.                     lbu_dsply_total=yes ; lbu_total='--totals'
  350.                 fi
  351.                 ;;
  352.             Verbose)
  353.                 if [ $lbu_dsply_vbose = yes ]; then 
  354.                     lbu_dsply_vbose=no  ; lbu_vbose=""
  355.                 else
  356.                     lbu_dsply_vbose=yes ; lbu_vbose="v"
  357.                 fi
  358.                 ;;
  359.             Compress)
  360.                 lbu_compress
  361.                 ;;
  362.             Exclude)
  363.                 if [ $lbu_dsply_excl = yes ]; then 
  364.                     lbu_dsply_excl=no  ; lbu_excl=""
  365.                 else
  366.                     lbu_dsply_excl=yes ; lbu_excl='-X $HOME/.lbu_exclude'
  367.                 fi
  368.                 ;;
  369.             Help)
  370.                 lbu_hlpfile="$lbu_dir/lbu_help4"
  371.                 lbu_help
  372.                 ;;
  373.             Done)
  374.                 lbu_loop2=0
  375.                 ;;
  376.             *)        lbu_invent
  377.                 ;;
  378.             esac
  379.         fi
  380.     done
  381. }
  382.  
  383. # *********************************************************************
  384. # *                   Select Blocksize sub-routine                    *
  385. # *********************************************************************
  386.  
  387. lbu_blocksize() {
  388.         dialog --title "Block-size selection" \
  389.         --backtitle "$TVERSION"\
  390.         --menu "" 14 45 7 \
  391.         "5"       "2,560  bytes per block."             \
  392.         "10"       "5,120  bytes per block."             \
  393.         "15"       "7,680  bytes per block."            \
  394.         "20"       "10,240 bytes per block. (default)"        \
  395.         "25"       "12,800 bytes per block."            \
  396.         "30"       "15,360 bytes per block."            \
  397.         "35"       "17,920 bytes per block."            2> $lbu_tmpfile
  398.  
  399. # ------- Get the selection made and act accordingly
  400.  
  401.         if [ $? = 1 -o $? = 255 ]; then
  402.             rm $lbu_tmpfile
  403.             lbu_msgtyp="Informational" ; lbu_msgtxt="Operation cancelled."
  404.             lbu_hgt=5 ; lbu_wth=34
  405.             lbu_message
  406.         else
  407.             lbu_dsply_blcks=`cat $lbu_tmpfile` ; lbu_blcks=$lbu_dsply_blcks
  408.             rm -f $lbu_tmpfile
  409.         fi
  410. }
  411.  
  412. # ******************************************************************
  413. # *                  Select compression method                     *
  414. # ******************************************************************
  415.  
  416. lbu_compress() {
  417.         dialog --title "Blocksize selection" \
  418.         --backtitle "$TVERSION"\
  419.         --menu "** REMEMBER to re-select DEVICE after changing compression mode **" 22 75 6     \
  420.         "gzip"       "Use a gzipped tar archive (default)    (ext = .tgz)"    \
  421.         "compress" "Use a compressed tar archive           (ext =.tar.Z)"     \
  422.         "none"     "Do not use any compression on archive  (ext = .tar)"     2> $lbu_tmpfile
  423.  
  424. # ------- Get the selection made and act accordingly
  425.  
  426.         if [ $? = 1 -o $? = 255 ]; then
  427.             rm $lbu_tmpfile
  428.             lbu_msgtyp="Informational" ; lbu_msgtxt="Operation cancelled."
  429.             lbu_hgt=5 ; lbu_wth=34
  430.             lbu_message
  431.         else
  432.  
  433.             lbu_dsply_cmprs=`cat $lbu_tmpfile`
  434.             if [ $lbu_dsply_cmprs = gzip ]; then lbu_orig_ext='.tgz'; lbu_cmprs=z ; fi
  435.             if [ $lbu_dsply_cmprs = compress ]; then lbu_orig_ext='.tar.Z' ; lbu_cmprs=Z ; fi
  436.             if [ $lbu_dsply_cmprs = none ]; then lbu_orig_ext='.tar' ; lbu_cmprs='' ;  fi
  437.             rm -f $lbu_tmpfile
  438.             if [ $lbu_dsply_multi = yes ]; then
  439.                 if [ $lbu_cmprs != "" ]; then 
  440.                     lbu_msgtyp="Informational"
  441.                     lbu_msgtxt="Cannot combine compressed format with\na Multi-volume archive. 'Multi' set to 'no'"
  442.                     lbu_hgt=6 ; lbu_wth=60
  443.                     lbu_message
  444.                     lbu_dsply_multi=no ; lbu_multi=""
  445.                 fi
  446.             fi
  447.             lbu_device="" ; lbu_dsply_dev=""
  448.             lbu_msgtyp="Informational" ; lbu_msgtxt="Compression mode changed.\nPLEASE BE SURE TO RE-SELECT DEVICE."
  449.             lbu_hgt=6 ; lbu_wth=40
  450.             lbu_message
  451.         fi
  452. }
  453.  
  454. # ***********************************************************************
  455. # *                       Start the backup process                      *
  456. # ***********************************************************************
  457.  
  458. lbu_begin() {
  459.     if [ -z "$lbu_device" ]; then
  460.         lbu_msgtyp="Error" ; lbu_msgtxt="Please enter a Device selection before\nstarting the Backup"
  461.         lbu_hgt=6 ; lbu_wth=45
  462.         lbu_message
  463.     else
  464.         if [ -z "$lbu_dirfil" ]; then
  465.             lbu_msgtyp="Error" ; lbu_msgtxt="Please enter a Dir/File selection before\nstarting the Backup"
  466.             lbu_hgt=6 ; lbu_wth=45
  467.             lbu_message
  468.         else
  469.             lbu_cxtd=c
  470.             lbu_buildcmd
  471. # 
  472. # --------- DO THE BACKUP !!!!!
  473. # 
  474.             lbu_status="BACKUP IN PROGRESS"
  475.             echo $lbu_status > $HOME/.lbu_last_backup
  476.             lbu_devexist=yes
  477.             if [ $lbu_dsply_multi = yes ]; then
  478.                 lbu_hlpfile=$lbu_dir/lbu_Minfo
  479.                 lbu_help
  480.                 clear
  481.                 lbu_status=`date`"\n\n========================== BACK-UP IN PROGRESS ============================\n"
  482.                 echo $lbu_status > $HOME/.lbu_last_backup
  483.                 echo "BACKUP STARTED : " `date` > $lbu_logfile
  484.                 eval $lbu_cmd_line | tee -a $lbu_logfile
  485.  
  486.                 if [ $? = 0 ]; then
  487.                     lbu_status=`date`"\n\n=================== BACK-UP COMPLETION STATUS: SUCCESS ======================\n"
  488.                 else
  489.                     lbu_status=`date`"\n\n=================== BACK-UP COMPLETION STATUS: FAILURE ======================\n"
  490.                 fi
  491.                 echo $lbu_status > $HOME/.lbu_last_backup
  492. #
  493. # ------- If required mail log to user
  494. #
  495.  
  496.                 if [ $lbu_mail = yes ]; then
  497.                     mail -s "L.B.U BACKUP LOG" $LOGNAME < $lbu_logfile
  498.                 fi
  499.  
  500.             else
  501.                 lbu_bkup_rest_comp=BACK-UP
  502.                 lbu_bldsh_bg
  503.                 exec $lbu_bkup_bg &
  504.  
  505.             fi
  506.  
  507.  
  508.         fi
  509.     fi
  510. }
  511.  
  512. # *********************************************************************
  513. # *              Build shellscript for background run                 *
  514. # *********************************************************************
  515.  
  516. lbu_bldsh_bg() {
  517.         echo "#!/bin/sh" > $lbu_bkup_bg
  518.         echo '' >> $lbu_bkup_bg
  519.         echo 'lbu_dir='$lbu_dir >> $lbu_bkup_bg
  520.         echo 'lbu_bkup_rest_comp='$lbu_bkup_rest_comp >> $lbu_bkup_bg
  521.         echo 'home='$HOME >> $lbu_bkup_bg
  522.         echo 'lbu_logfile='$lbu_logfile >> $lbu_bkup_bg
  523.         echo 'lbu_status=`date`"\n\n========================= $lbu_bkup_rest_comp IN PROGRESS ===========================\n"' >> $lbu_bkup_bg
  524.         echo 'echo $lbu_status > $HOME/.lbu_last_backup' >> $lbu_bkup_bg
  525.         echo 'echo $lbu_bkup_rest_comp STARTED : `date` > $lbu_logfile' >> $lbu_bkup_bg
  526.         echo "$lbu_cmd_line >> $lbu_logfile 2>&1" >> $lbu_bkup_bg
  527.         echo 'if [ $? = 0 ]; then' >> $lbu_bkup_bg
  528.         echo 'lbu_status=`date`"\n\n================= $lbu_bkup_rest_comp COMPLETION STATUS: SUCCESS ====================\n+++++++++++++++++ (Check the log-file for messages.) ++++++++++++++++++++\n"' >> $lbu_bkup_bg
  529.         echo 'else' >> $lbu_bkup_bg
  530.         echo 'lbu_status=`date`"\n\n================= $lbu_bkup_rest_comp COMPLETION STATUS: FAILURE ====================\n+++++++++++++++++ (Check the log-file for messages.) ++++++++++++++++++++\n"' >> $lbu_bkup_bg
  531.         echo 'fi' >> $lbu_bkup_bg
  532.         echo 'echo $lbu_status > $HOME/.lbu_last_backup' >> $lbu_bkup_bg
  533.         echo '' >> $lbu_bkup_bg
  534.         echo 'lbu_mail='$lbu_mail >> $lbu_bkup_bg
  535.         echo '' >> $lbu_bkup_bg
  536.         echo '#' >> $lbu_bkup_bg
  537.         echo '# ------- If required mail log to user' >> $lbu_bkup_bg
  538.         echo '#' >> $lbu_bkup_bg
  539.         echo '' >> $lbu_bkup_bg
  540.         echo 'if [ $lbu_mail = yes ]; then' >> $lbu_bkup_bg
  541.         echo '    mail -s "L.B.U $lbu_bkup_rest_comp LOG" $LOGNAME < $lbu_logfile' >> $lbu_bkup_bg
  542.         echo 'fi' >> $lbu_bkup_bg
  543.  
  544.         chmod 755 $lbu_bkup_bg
  545. }
  546.  
  547. # *********************************************************************
  548. # *                      Build the command line                       *
  549. # *********************************************************************
  550.  
  551. lbu_buildcmd() {
  552.     lbu_cmd_line="" ; echo $lbu_cmd_line > $lbu_logfile
  553.     lbu_cmd_line='tar '$lbu_multi' '$lbu_total' '$lbu_excl' '$lbu_owner' -b '$lbu_blcks' -'$lbu_cxtd$lbu_absol$lbu_vbose$lbu_perms$lbu_cmprs'f '$lbu_device' '$lbu_dirfil
  554. }
  555.  
  556. # **********************************************************************
  557. # *                         L.B.U Scheduling                           *
  558. # **********************************************************************
  559.  
  560. lbu_schedule() {
  561.  
  562.     case $LOGNAME in
  563.         root)    ;;
  564.         *)    
  565.             lbu_msgtyp="Error" ; lbu_msgtxt="Only the System Manager can set up\nschedules. This function is not\navailable to you."
  566.             lbu_hgt=7 ; lbu_wth=45
  567.             lbu_message
  568.             return
  569.             ;;
  570.     esac        
  571.  
  572.     if [ $lbu_dsply_multi = "yes" ]; then
  573.         lbu_msgtyp="Error" ; lbu_msgtxt="Multi-volume flag is set. Only\nforeground operations allowed."
  574.             lbu_hgt=6 ; lbu_wth=45
  575.             lbu_message
  576.         
  577.      else
  578.         lbu_loop2=1
  579.         while [ $lbu_loop2 = 1 ]; do
  580.         dialog --title "$lbu_title" --menu "\n            **** L.B.U Scheduling ****\n" 22 74 5 \
  581.         "Back"   "Schedule a backup for later."         \
  582.         "Rest"      "Schedule a restore for later."        \
  583.         "Clear"  "Remove a previous schedule."             \
  584.         "Help"    "Help regarding Scheduling"            \
  585.         "Done"    "Return to Main Menu."            2> $lbu_tmpfile
  586.  
  587. # ------- Get selection and act accordingly
  588.  
  589.         if [ $? = 1 -o $? = 255 ]; then
  590.             rm $lbu_tmpfile
  591.             lbu_msgtyp="Informational" ; lbu_msgtxt="Operation cancelled."
  592.             lbu_hgt=5 ; lbu_wth=34
  593.             lbu_message
  594.             lbu_loop2=0
  595.             return
  596.         fi
  597.  
  598.         lbu_sel=`cat $lbu_tmpfile`
  599.         rm -f $lbu_tmpfile
  600.         case $lbu_sel in
  601.             Back)     
  602.                     if [ -z "$lbu_device" ]; then
  603.                         lbu_msgtyp="Error" ; lbu_msgtxt="Please enter a Device selection before\nscheduling the Backup"
  604.                         lbu_hgt=6 ; lbu_wth=45
  605.                         lbu_message
  606.                     else
  607.                         if [ -z "$lbu_dirfil" ]; then
  608.                             lbu_msgtyp="Error" ; lbu_msgtxt="Please enter a Dir/File selection before\nscheduling the Backup"
  609.                             lbu_hgt=6 ; lbu_wth=45
  610.                             lbu_message
  611.                         else
  612.  
  613.                             lbu_cxtd=c
  614.                             lbu_bkup_rest_comp=BACK-UP
  615.                             lbu_schedl
  616.                         fi
  617.                     fi
  618.                     ;;
  619.  
  620.             Rest)    
  621.                     if [ $lbu_devexist = no ]; then
  622.                         lbu_msgtyp="Error" ; lbu_msgtxt="The restore device is not valid.\nPlease re-enter."
  623.                         lbu_hgt=6 ; lbu_wth=45
  624.                         lbu_message
  625.                     else
  626.                         if [ -z "$lbu_device" ]; then
  627.                             lbu_msgtyp="Error" ; lbu_msgtxt="Please enter a Device selection before\nscheduling the Restore."
  628.                             lbu_hgt=6 ; lbu_wth=45
  629.                             lbu_message
  630.                         else
  631.  
  632.                             lbu_cxtd=x
  633.                             lbu_bkup_rest_comp=RESTORE
  634.                             lbu_schedl
  635.                         fi
  636.                     fi
  637.                     ;;
  638.  
  639.             Clear)        lbu_delsch;;
  640.             Help)        lbu_hlpfile=$lbu_dir/lbu_help5
  641.                     lbu_help
  642.                     ;;
  643.             Done)        lbu_loop2=0
  644.                     ;;
  645.             *)        lbu_invent;;
  646.         esac
  647.         done
  648.     fi
  649. }
  650.  
  651. # **********************************************************************
  652. # *                       Set up a schedule                            *
  653. # **********************************************************************
  654.  
  655. lbu_schedl() {
  656. #
  657. # ------- look for atrun
  658. #
  659.     lbu_cronerr=0
  660.     if [ $LOGNAME = root ]; then
  661.         if [ ! -a /var/spool/cron/crontabs/root ]; then
  662.             lbu_msgtyp="Informational" ; lbu_msgtxt="A crontab file does not exist for $LOGNAME.\nOne will be created."
  663.             lbu_hgt=6 ; lbu_wth=50
  664.             lbu_message
  665.             mkdir /var 2> /dev/null
  666.             mkdir /var/spool 2> /dev/null
  667.             mkdir /var/spool/cron 2> /dev/null
  668.             mkdir /var/spool/cron/crontabs 2> /dev/null
  669.             touch /var/spool/cron/crontabs/$LOGNAME
  670.             if [ $LOGNAME=root ]; then
  671.                 echo "* * * * * * /usr/lib/atrun" >> /var/spool/cron/crontabs/$LOGNAME
  672.             fi
  673.         fi
  674.     fi
  675.     lbu_cdrun=`ps -ax | grep crond | wc -l`
  676.     if [ $lbu_cdrun -lt 2 ]; then
  677.         if [ $LOGNAME = root ]; then
  678.             lbu_msgtyp="Warning" ; lbu_msgtxt="The cron daemon (crond) is not running.\nAttempting to start."
  679.             lbu_hgt=6 ; lbu_wth=45
  680.             lbu_message
  681.             /usr/sbin/crond 2> /dev/null
  682.             if [ $? = 0 ]; then
  683.                 lbu_msgtyp="Status" ; lbu_msgtxt="Crond started."
  684.                 lbu_hgt=5 ; lbu_wth=25
  685.                 lbu_message
  686.             else
  687.                 lbu_msgtyp="Status" ; lbu_msgtxt="Crond FAILED to start.\Please start manually."
  688.                 lbu_hgt=7 ; lbu_wth=35
  689.                 lbu_message
  690.                 lbu_cronerr=1
  691.             fi
  692.         else
  693.             lbu_msgtyp="Warning" ; lbu_msgtxt="The cron daemon (crond) is not running.\nSCHEDULES CANNOT BE RUN.\nPlease contact your system manager."
  694.             lbu_hgt=7 ; lbu_wth=45
  695.             lbu_message
  696.             lbu_cronerr=1
  697.         fi    
  698.     fi
  699.  
  700. #
  701. # ------- get run date build the script to be run by using the at command
  702. #
  703.     if [ $lbu_cronerr = 0 ]; then
  704.         lbu_date
  705.         if [ ! -z "$lbu_date" ]; then
  706.             lbu_buildcmd
  707.             lbu_bldsh_bg
  708.             at -f $lbu_bkup_bg $lbu_hr$lbu_min $lbu_mth$lbu_day$lbu_yr >$lbu_tmpfile 2>&1
  709.             if [ $? = 0 ]; then
  710.                 lbu_jobno=`awk -F\  '{print $2}' < $lbu_tmpfile`
  711.                 lbu_status="SCHEDULED. Job : $lbu_jobno\n\n=========== SCHEDULED $lbu_bkup_rest_comp RUN-TIME IS $lbu_hr:$lbu_min on $lbu_day/$lbu_mth/$lbu_yr ==========="
  712.                 echo $lbu_status > $HOME/.lbu_last_backup
  713.                 lbu_msgtyp="Status" ; lbu_msgtxt="Job has been submitted for execution.\n\nJOB NUMBER IS : $lbu_jobno\n\nPlease make note of this number."
  714.                 lbu_hgt=9 ; lbu_wth=45
  715.                 lbu_message
  716.             else
  717.                 lbu_msgtyp="Status" ; lbu_msgtxt="Job **FAILED** to be submitted."
  718.                 lbu_hgt=5 ; lbu_wth=45
  719.                 lbu_message    
  720.             fi
  721.         fi
  722.     fi
  723. }
  724.  
  725. # **********************************************************************
  726. # *                         Delete a scheduled backup                  *
  727. # **********************************************************************
  728.  
  729. lbu_delsch() {
  730.  
  731.     lbu_loop3=1
  732.     while [ $lbu_loop3 = 1 ]; do
  733.         dialog --title "L.B.U DELETE Schedule" --inputbox "Enter job number (? for help)" 8 40 2> $lbu_tmpfile
  734.         lbu_jobno=`cat $lbu_tmpfile`
  735.         rm -f $lbu_tmpfile
  736.  
  737. # ------- check for no input provided
  738.  
  739.           if [ -z $lbu_jobno ]; then
  740.             lbu_msgtyp="Error" ; lbu_msgtxt="No job number specified\n        Aborting"
  741.             lbu_hgt=6 ; lbu_wth=30
  742.             lbu_message
  743.             lbu_loop3=0
  744.         else
  745.  
  746. # ------- asking for help ?
  747.  
  748.             if [ $lbu_jobno = ? ]; then
  749.                 lbu_hlpfile=$lbu_dir/lbu_help7
  750.                 lbu_help
  751.                 lbu_loop3=1
  752.             else
  753.                 if [ ! -a /var/spool/atjobs/$lbu_jobno ]; then
  754.                     lbu_msgtyp="Error" ; lbu_msgtxt="The specified job number does not exist.\nPlease re-enter."
  755.                     lbu_hgt=6 ;lbu_wth=50
  756.                     lbu_message
  757.                 else
  758.                     lbu_isval=`cat /var/spool/atjobs/$lbu_jobno | grep lbu | wc -l`
  759.                     if [ $lbu_isval = 0 ]; then
  760.                         lbu_msgtyp="Error" ; lbu_msgtxt="This does not appear to be an L.B.U schedule.\nPlease re-enter."
  761.                         lbu_hgt=6 ;lbu_wth=50
  762.                         lbu_message
  763.                      else
  764.                         atrm $lbu_jobno >/dev/null 2>&1
  765.                         lbu_status="SCHEDULE DELETED"
  766.                         echo $lbu_status > $HOME/.lbu_last_backup
  767.                         lbu_msgtyp="Informational" ; lbu_msgtxt="The schedule has been DELETED."
  768.                         lbu_hgt=5 ;lbu_wth=50
  769.                         lbu_message
  770.                         lbu_loop3=0
  771.                     fi
  772.                 fi
  773.             fi
  774.         fi
  775.     done
  776. }
  777.  
  778.  
  779. # **********************************************************************
  780. # *                         L.B.U Restore Backup                       *
  781. # **********************************************************************
  782.  
  783. lbu_restore() {
  784.     if [ $lbu_devexist = no ]; then
  785.          lbu_msgtyp="Error" ; lbu_msgtxt="The restore device is not valid.\nPlease re-enter."
  786.         lbu_hgt=6 ; lbu_wth=45
  787.         lbu_message
  788.     else
  789.         if [ -z "$lbu_device" ]; then
  790.             lbu_msgtyp="Error" ; lbu_msgtxt="Please enter a Device selection before\nstarting the Restore"
  791.             lbu_hgt=6 ; lbu_wth=45
  792.             lbu_message
  793.         else
  794.             if [ -z "$lbu_dirfil" ]; then
  795.                 lbu_msgtyp="Informational" ; lbu_msgtxt="No Dir/File specified. All will be restored."
  796.                 lbu_hgt=5 ; lbu_wth=50
  797.                 lbu_message
  798.             fi
  799.             lbu_cxtd=x
  800.             lbu_buildcmd
  801. # 
  802. # --------- DO THE RESTORE !!!!!
  803. # 
  804.             lbu_status="RESTORE IN PROGRESS"
  805.             echo $lbu_status > $HOME/.lbu_last_backup
  806.             if [ $lbu_dsply_multi = yes ]; then
  807.                 lbu_hlpfile=$lbu_dir/lbu_Minfo
  808.                 lbu_help
  809.                 clear
  810.                 lbu_status=`date`"\n\n====================== RESTORE IN PROGRESS =========================\n"
  811.                 echo $lbu_status > $HOME/.lbu_last_backup
  812.                 echo "RESTORE STARTED : " `date` > $lbu_logfile
  813.                 eval $lbu_cmd_line | tee -a $lbu_logfile
  814.  
  815.                 if [ $? = 0 ]; then
  816.                     lbu_status=`date`"\n\n================== RESTORE COMPLETION STATUS: SUCCESS ===================\n+++++++++++++++++ (Check the log-file for messages.) ++++++++++++++++++++\n"
  817.                 else
  818.                     lbu_status=`date`"\n\n================== RESTORE COMPLETION STATUS: FAILURE ===================\n+++++++++++++++++ (Check the log-file for messages.) ++++++++++++++++++++\n"
  819.                 fi
  820.                 echo $lbu_status > $HOME/.lbu_last_backup
  821. #
  822. # ------- If required mail log to user
  823. #
  824.  
  825.                 if [ $lbu_mail = yes ]; then
  826.                     echo DIR = $lbu_dir
  827.                     mail -s "L.B.U RESTORE LOG" $LOGNAME < $lbu_logfile
  828.                 fi
  829.  
  830.             else
  831.                 lbu_bkup_rest_comp=RESTORE
  832.                 lbu_bldsh_bg
  833.                 exec $lbu_bkup_bg &
  834.  
  835.             fi
  836.         fi
  837.     fi
  838. }
  839.  
  840.  
  841.  
  842. # **********************************************************************
  843. # *                          Show STATUS message                       *
  844. # **********************************************************************
  845.  
  846. lbu_look() {
  847.     if [ -f $HOME/.lbu_last_backup ]; then
  848.         lbu_lbu="$lbu_line\nLast L.B.U action / date                   : `cat $HOME/.lbu_last_backup`\n$lbu_line"
  849.     else
  850.         lbu_lbu="$lbu_line\n           No previous L.B.U backup has been performed\n$lbu_line"
  851.     fi
  852.  
  853.     lbu_pwd="Current directory                  : `pwd`"
  854.     lbu_dat="Current date                     : `date`"
  855.     dialog --title "$lbu_title" --msgbox "$lbu_author\n\n$lbu_line\n$lbu_pwd\n$lbu_dat\n$lbu_lbu" 21 79
  856. }
  857.  
  858. # **********************************************************************
  859. # *               Compare backup with file-system                      *
  860. # **********************************************************************
  861.  
  862. lbu_comp() {
  863.     if [ $lbu_devexist = no ]; then
  864.         lbu_msgtyp="Error" ; lbu_msgtxt="The compare device is not valid.\nPlease re-enter."
  865.         lbu_hgt=6 ; lbu_wth=45
  866.         lbu_message
  867.         return
  868.     fi
  869.  
  870.     if [ -z "$lbu_device" ]; then
  871.         lbu_msgtyp="Error" ; lbu_msgtxt="Please enter a Device selection before\nstarting the Backup"
  872.         lbu_hgt=6 ; lbu_wth=45
  873.         lbu_message
  874.     else
  875.         lbu_vbose_orig=$lbu_vbose
  876.         lbu_vbose='v'
  877.         lbu_cxtd=d
  878.         lbu_buildcmd
  879.         lbu_vbose=$lbu_vbose_orig
  880. # 
  881. # --------- DO THE COMPARE
  882. # 
  883.         lbu_status="COMPARE IN PROGRESS"
  884.         echo $lbu_status > $HOME/.lbu_last_backup
  885.         if [ $lbu_dsply_multi = yes ]; then
  886.             lbu_hlpfile=$lbu_dir/lbu_Cinfo
  887.             lbu_help
  888.             clear
  889.             lbu_status=`date`"\n\n======================= COMPARE IN PROGRESS =========================\n"
  890.             echo $lbu_status > $HOME/.lbu_last_backup
  891.             echo "COMPARE STARTED: " `date` > $lbu_logfile
  892.             eval $lbu_cmd_line | tee -a $lbu_logfile
  893.  
  894.             if [ $? = 0 ]; then
  895.                 lbu_status=`date`"\n\n================== COMPARE COMPLETION STATUS: SUCCESS =====================\n"
  896.             else
  897.                 lbu_status=`date`"\n\n================== COMPARE COMPLETION STATUS: FAILURE =====================\n"
  898.             fi
  899.             echo $lbu_status > $HOME/.lbu_last_backup
  900. #
  901. # ------- If required mail log to user
  902. #
  903.             if [ $lbu_mail = yes ]; then
  904.                 mail -s "L.B.U COMPARE LOG" $LOGNAME < $lbu_logfile
  905.             fi
  906.  
  907.         else
  908.             lbu_bkup_rest_comp=COMPARE
  909.             lbu_bldsh_bg
  910.             exec $lbu_bkup_bg &
  911.         fi
  912.  
  913.     fi
  914. }
  915.  
  916. # **********************************************************************
  917. # *              Backup log file inspection subroutine                 *
  918. # **********************************************************************
  919.  
  920. lbu_inspect() {
  921.     if [ ! -a $lbu_logfile ]; then
  922.         lbu_msgtyp="Error" ; lbu_msgtxt="There is no log file to view."
  923.         lbu_hgt=5 ; lbu_wth=40
  924.         lbu_message
  925.     else
  926.         dialog --title "Linux Backup Log Inspection" --textbox $lbu_logfile 21 77
  927.     fi
  928.     return 0
  929. }
  930.  
  931. # **********************************************************************
  932. # *               Backup file view subroutine                          *
  933. # **********************************************************************
  934.  
  935. lbu_view() {
  936.     if [ -z "$lbu_device" ]; then
  937.         lbu_msgtyp="Error" ; lbu_msgtxt="Please enter a Device selection before\nattempting a view operation"
  938.         lbu_hgt=6 ; lbu_wth=45
  939.         lbu_message
  940.     else
  941.         if [ $lbu_devexist = no ]; then
  942.             lbu_msgtyp="Error" ; lbu_msgtxt="The view device is not valid.\nPlease re-enter."
  943.             lbu_hgt=6 ; lbu_wth=45
  944.             lbu_message
  945.         else
  946.             lbu_cxtd=t
  947.             lbu_excl_orig=$lbu_excl
  948.             lbu_excl=''
  949.             lbu_buildcmd
  950.             lbu_excl=$lbu_excl_orig
  951.             clear
  952.             eval $lbu_cmd_line | more
  953.             echo ''
  954.             echo ''
  955.             echo "======================== Please press RETURN to continue ==================="
  956.             read lbu_null
  957.         fi
  958.     fi
  959. }
  960.  
  961. # **********************************************************************
  962. # *                      L.B.U Save Config Subroutine                  *
  963. # **********************************************************************
  964.  
  965. lbu_write() {
  966.     if [ -f $HOME/.lburc ]; then
  967.         rm $HOME/.lburc
  968.     fi
  969.  
  970.     lbu_quote='"'
  971.     echo "lbu_devtype=$lbu_quote"$lbu_devtype$lbu_quote > $HOME/.lburc
  972.     echo "lbu_dsply_dev=$lbu_quote"$lbu_dsply_dev$lbu_quote >>$HOME/.lburc
  973.     echo "lbu_ext=$lbu_quote"$lbu_ext$lbu_quote >>$HOME/.lburc
  974.     echo "lbu_orig_ext=$lbu_quote"$lbu_orig_ext$lbu_quote >>$HOME/.lburc
  975.     echo "lbu_device="$lbu_quote$lbu_device$lbu_quote >>$HOME/.lburc
  976.  
  977.     echo "lbu_dirfil="$lbu_quote$lbu_dirfil$lbu_quote >>$HOME/.lburc
  978.     echo "lbu_dsply_dfl="$lbu_quote$lbu_dsply_dfl$lbu_quote >>$HOME/.lburc
  979.     echo "lbu_multi="$lbu_quote$lbu_multi$lbu_quote >>$HOME/.lburc
  980.     echo "lbu_dsply_multi="$lbu_quote$lbu_dsply_multi$lbu_quote >>$HOME/.lburc
  981.     echo "lbu_absol="$lbu_quote$lbu_absol$lbu_quote >>$HOME/.lburc
  982.     echo "lbu_dsply_absol="$lbu_quote$lbu_dsply_absol$lbu_quote >>$HOME/.lburc
  983.     echo "lbu_mail="$lbu_quote$lbu_mail$lbu_quote >>$HOME/.lburc
  984.     echo "lbu_dsply_mail="$lbu_quote$lbu_dsply_mail$lbu_quote >>$HOME/.lburc
  985.     echo "lbu_blcks="$lbu_quote$lbu_blcks$lbu_quote >>$HOME/.lburc
  986.     echo "lbu_dsply_blcks="$lbu_quote$lbu_dsply_blcks$lbu_quote >>$HOME/.lburc
  987.     echo "lbu_perms="$lbu_quote$lbu_perms$lbu_quote >>$HOME/.lburc
  988.     echo "lbu_dsply_perms="$lbu_quote$lbu_dsply_perms$lbu_quote >>$HOME/.lburc
  989.     echo "lbu_owner="$lbu_quote$lbu_owner$lbu_quote >>$HOME/.lburc
  990.     echo "lbu_dsply_owner="$lbu_quote$lbu_dsply_owner$lbu_quote >>$HOME/.lburc
  991.     echo "lbu_total="$lbu_quote$lbu_total$lbu_quote >>$HOME/.lburc
  992.     echo "lbu_dsply_total="$lbu_quote$lbu_dsply_total$lbu_quote >>$HOME/.lburc
  993.     echo "lbu_vbose="$lbu_quote$lbu_vbose$lbu_quote >>$HOME/.lburc
  994.     echo "lbu_dsply_vbose="$lbu_quote$lbu_dsply_vbose$lbu_quote >>$HOME/.lburc
  995.     echo "lbu_cmprs="$lbu_quote$lbu_cmprs$lbu_quote >>$HOME/.lburc
  996.     echo "lbu_dsply_cmprs="$lbu_quote$lbu_dsply_cmprs$lbu_quote >>$HOME/.lburc
  997.     echo "lbu_excl="$lbu_quote$lbu_excl$lbu_quote >>$HOME/.lburc
  998.     echo "lbu_dsply_excl="$lbu_quote$lbu_dsply_excl$lbu_quote >>$HOME/.lburc
  999.     echo "==END==" >>$HOME/.lburc
  1000.  
  1001.     dialog --title "L.B.U Write config" --msgbox "Current configuration saved to\n$HOME.lburc" 6 35
  1002. }
  1003.  
  1004. # **********************************************************************
  1005. # *                    L.B.U Exclusion list subroutine                 *
  1006. # **********************************************************************
  1007.  
  1008. lbu_exclude() {
  1009.     lbu_hlpfile="$lbu_dir/lbu_help8"
  1010.     lbu_help
  1011.     lbu_editor=$EDITOR
  1012.     if [ -z $lbu_editor ]; then
  1013.         vi $HOME/.lbu_exclude
  1014.     else
  1015.         $lbu_editor $HOME/.lbu_exclude
  1016.     fi
  1017. }
  1018.         
  1019. # **********************************************************************
  1020. # *                    L.B.U Quit subroutine                           *
  1021. # **********************************************************************
  1022.  
  1023. lbu_quit() {
  1024.     exit
  1025. }
  1026.  
  1027. # ***********************************************************************
  1028. # *  Invalid Entry subroutine alias 'Bummer I missed THAT possibility'  *
  1029. # ***********************************************************************
  1030.  
  1031. lbu_invent() {
  1032.     dialog --title "L.B.U inv_ent subroutine" \
  1033.     --backtitle "$TVERSION"\
  1034.     --msgbox "Invalid Entry" 5 25
  1035.     return 0
  1036. }
  1037.  
  1038. # ************************************************************************
  1039. # *                Generlised L.B.U utility subroutines                  *
  1040. # ************************************************************************
  1041.  
  1042. #
  1043. # ------- General help display sub-routine
  1044. #
  1045.  
  1046. lbu_help() {
  1047.     dialog --title "Linux Backup Utility Help Screen" \
  1048.     --backtitle "$TVERSION"\
  1049.     --textbox "$lbu_hlpfile" 21 77
  1050. }
  1051.  
  1052. # ------- General error message sub-routine
  1053.  
  1054. lbu_message() {
  1055.     dialog --title "L.B.U $lbu_msgtyp message" \
  1056.     --backtitle "$TVERSION"\
  1057.     --msgbox "$lbu_msgtxt" $lbu_hgt $lbu_wth
  1058.     return 0
  1059. }
  1060.  
  1061. # **********************************************************************
  1062. # *               L.B.U Date entry/validation sub-routine              *
  1063. # **********************************************************************
  1064.  
  1065. lbu_date() {
  1066.     lbu_curdate
  1067.     lbu_loop3=1
  1068.     while [ $lbu_loop3 = 1 ]; do
  1069.         lbu_dterr=1
  1070.     dialog --title "L.B.U Time/Date" \
  1071.     --backtitle "$TVERSION"\
  1072.     --inputbox "Example:\nHH:MM DD Mn YYYY\n15:18 23 02 1995" 10 25 2>$lbu_tmpfile
  1073.     
  1074.         lbu_date=`cat $lbu_tmpfile`
  1075.     
  1076. # ------- check for no input provided
  1077.  
  1078.           if [ -z "$lbu_date" ]; then
  1079.             lbu_msgtyp="Error" ; lbu_msgtxt="No date has been specified\n        Aborting"
  1080.             lbu_hgt=6 ; lbu_wth=35
  1081.             lbu_message
  1082.             lbu_loop3=0
  1083.         else
  1084. #
  1085. # ------- asking for help ?
  1086. #
  1087.             if [ "$lbu_date" = "?" ]; then
  1088.                 lbu_hlpfile=$lbu_dir/lbu_help6
  1089.                 lbu_help
  1090.                 lbu_loop3=1
  1091.                 lbu_dterr=0
  1092.             else
  1093.                 lbu_ccnt=`echo $lbu_date | wc -c`
  1094.                 if [ $lbu_ccnt != 17 ]; then
  1095.                     lbu_msgtyp="Error" ; lbu_msgtxt="The date entered is invalid.\nPlease see the example or\nenter ? for help."
  1096.                     lbu_hgt=7 ; lbu_wth=35
  1097.                     lbu_message
  1098.                 else
  1099.                     lbu_hr=`echo $lbu_date  | cut -c1-2`
  1100.                     lbu_min=`echo $lbu_date | cut -c4-5`
  1101.                     lbu_day=`echo $lbu_date | cut -c7-8`
  1102.                     lbu_mth=`echo $lbu_date | cut -c10-11`
  1103.                     lbu_yr=`echo $lbu_date  | cut -c13-16`
  1104.                     lbu_now=`date +%Y%m%d%H%M`
  1105.                     lbu_reset=`date +%m%d%H%M%Y`
  1106.                     lbu_dval=$lbu_mth$lbu_day$lbu_hr$lbu_min$lbu_yr
  1107.                     lbu_dent=$lbu_yr$lbu_mth$lbu_day$lbu_hr$lbu_min
  1108.                     if [ $lbu_now -ge $lbu_dent ]; then
  1109.                         lbu_msgtyp="Error" ; lbu_msgtxt="The date/time has already passed.\nPlease re-enter."
  1110.                         lbu_hgt=6 ; lbu_wth=40
  1111.                         lbu_message
  1112.                     else
  1113.                         rm -f $lbu_tmpfile
  1114. #
  1115. # ------- date validation
  1116. #
  1117. # ------- use the date command to perform basic validation
  1118. #
  1119.                         date $lbu_dval >/dev/null 2>$lbu_tmpfile
  1120.                         date $lbu_reset >/dev/null 2>&1
  1121.                         if [ -s $lbu_tmpfile ]; then
  1122.                             lbu_msgtyp="Error" ; lbu_msgtxt="Date validation error. Date entered is invalid.\nPlease re-enter."
  1123.                             lbu_hgt=6 ; lbu_wth=50
  1124.                             lbu_message
  1125.                         else
  1126. #
  1127. # ------- use bc to check if leap year
  1128. #
  1129.                             echo $lbu_yr%4 > $lbu_tmpfile
  1130.                             lbu_lyr=`bc < $lbu_tmpfile`
  1131.                             if [ $lbu_lyr != 0 ]; then
  1132.                                 if [ $lbu_day -gt 28 ]; then
  1133.                                     lbu_msgtyp="Error" ; lbu_msgtxt="Date 1validation error. Date entered is invalid.\nPlease re-enter."
  1134.                                     lbu_hgt=6 ; lbu_wth=50
  1135.                                     lbu_message
  1136.                                 else        
  1137.                                     lbu_dterr=0
  1138.                                     lbu_loop3=0
  1139.                                 fi
  1140.                             else
  1141.                                 lbu_dterr=0
  1142.                                 lbu_loop3=0
  1143.                             fi
  1144.                         fi
  1145.                     fi
  1146.                 fi
  1147.             fi
  1148.         fi
  1149.     done
  1150.  
  1151. rm -f $lbu_tmpfile
  1152.  
  1153. }
  1154.  
  1155. # *************************************************************************
  1156. # *               Display the current date and time                       *
  1157. # *************************************************************************
  1158.  
  1159. lbu_curdate() {
  1160.     lbu_cdat=`date`
  1161.     lbu_msgtyp="Informational" ; lbu_msgtxt="The current date and time is :\n$lbu_cdat"
  1162.             lbu_hgt=6 ; lbu_wth=35
  1163.             lbu_message
  1164. }
  1165.  
  1166. # *************************************************************************
  1167. # *               Main body of the Linux Backup Utility              *
  1168. # *************************************************************************
  1169.  
  1170. lbu_1st_time=`ls -a $HOME | grep .lbu_ | wc -l`
  1171. if [ $lbu_1st_time = 0 ]; then
  1172.     dialog --title "Linux Backup Utility Introduction Screen" \
  1173.     --backtitle "$TVERSION"\
  1174.     --textbox "$lbu_dir/lbu_1stintro" 21 77
  1175. fi
  1176.  
  1177. lbu_line="-------------------------------------------------------------------------"
  1178. lbu_orig_term=$TERM
  1179. lbu_title="Linux Backup Utility v1.10"
  1180. lbu_author="   ( jwb@uvo.dec.com )                           Jonathan Warburton-Brown"
  1181. lbu_orig_ext=".tgz"
  1182. lbu_bkup_bg=$HOME/.lbu_bkup_bg
  1183. lbu_logfile=$HOME/.lbu_backup_log
  1184. lbu_redir=''
  1185. lbu_devexist=yes
  1186. lbu_dsply_multi=no    ; lbu_multi=''
  1187. lbu_dsply_absol=yes     ; lbu_absol='P'
  1188. lbu_dsply_mail=no    ; lbu_mail=no
  1189. lbu_dsply_blcks=20    ; lbu_blcks='20'
  1190. lbu_dsply_perms=yes    ; lbu_perms='p'
  1191. lbu_dsply_owner=yes    ; lbu_owner='--same-owner'
  1192. lbu_dsply_total=yes    ; lbu_total='--totals'
  1193. lbu_dsply_vbose=yes    ; lbu_vbose='v'
  1194. lbu_dsply_cmprs=gzip    ; lbu_cmprs='z'
  1195. lbu_dsply_excl=no    ; lbu_excl=''
  1196. #
  1197. # -------- Look for saved configuration details
  1198. #
  1199.  
  1200. # -------- Root only access ?
  1201.  
  1202. if [ $lbu_root_only = yes ]; then
  1203.     if [ $LOGNAME != root ]; then
  1204.         lbu_msgtyp="Error" ; lbu_msgtxt="\n Sorry but you must be\n 'root' to run backups"
  1205.         lbu_hgt=8 ; lbu_wth=30
  1206.         lbu_message
  1207.         TERM=$lbu_orig_term ; export TERM
  1208.         reset ; clear
  1209.         exit
  1210.     fi
  1211. fi    
  1212.     
  1213.  
  1214. #
  1215. # -------- Is another backup process running ?
  1216. #
  1217.  
  1218. lbu_inprg=`ps -ax | grep lbu | wc -l`
  1219. if [ $lbu_inprg != 3 ]; then
  1220.     lbu_msgtyp="Error" ; lbu_msgtxt="Another backup is running or the\nbackup script is being modified.\nPlease try again later."
  1221.     lbu_hgt=7 ; lbu_wth=40
  1222.     lbu_message
  1223.     reset ; clear
  1224.     exit
  1225. fi
  1226.  
  1227. #
  1228. # ------- if you change the name of LBU then you're on your own to
  1229. # ------- change the logo below !!!  ;-)
  1230. #
  1231.  
  1232. if [ -f $HOME/.lburc ]; then
  1233.  
  1234.     dialog --title "$lbu_title" --infobox "\n\n\n\
  1235.            _/_/              _/_/_/_/_/            _/_/    _/_/ \n\
  1236.           _/_/              _/_/    _/_/          _/_/    _/_/  \n\
  1237.          _/_/              _/_/    _/_/          _/_/    _/_/   \n\
  1238.         _/_/              _/_/_/_/_/            _/_/    _/_/    \n\
  1239.        _/_/              _/_/     _/_/         _/_/    _/_/     \n\
  1240.       _/_/       _/_/   _/_/     _/_/  _/_/   _/_/    _/_/      \n\
  1241.      _/_/_/_/_/  _/_/  _/_/_/_/_/_/    _/_/  _/_/_/_/_/_/       \n\n\
  1242.               ( Jonathan Warburton-Brown @ 1995 )\n\n\
  1243.      The Linux Backup Utility is now restoring its saved\n\
  1244.                      configuration details" 20 70
  1245.  
  1246.     lbu_reccnt=`wc -l < $HOME/.lburc`
  1247.     lbu_pcnt=`expr 100 / $lbu_reccnt`
  1248.     lbu_loop=1
  1249.     lbu_ctr=0
  1250.     while [ $lbu_loop = 1 ]; do
  1251.         lbu_ctr=`expr $lbu_ctr + 1`
  1252.         lbu_var=`cat $HOME/.lburc | head -n $lbu_ctr | tail -n 1`
  1253.         echo -ne `expr $lbu_pcnt \* $lbu_ctr`' %'\\b\\b\\b\\b\\b
  1254.         case $lbu_var in
  1255.             ==END==)    break;;
  1256.             *)        eval $lbu_var;;
  1257.         esac
  1258.     done
  1259.     loop=0
  1260.     echo -n '100 %'
  1261. fi
  1262.  
  1263. if [ -a $lbu_device ]; then
  1264.     lbu_devexist=yes
  1265. else
  1266.     lbu_devexist=no
  1267. fi
  1268.  
  1269. #
  1270. # ------- What is the latest status message ?
  1271. #
  1272.  
  1273. lbu_look
  1274.  
  1275. lbu_proceed
  1276. reset ; clear
  1277. exit
  1278.  
  1279. # ***********************************************************************
  1280. # *                         That's all Folks                            *
  1281. # ***********************************************************************
  1282.