source3/script/smbtar

   1 #!/bin/sh
   2 #
   3 # smbtar script - front end to smbclient
   4 #
   5 # Authors: Martin.Kraemer <Martin.Kraemer@mch.sni.de>
   6 #          and Ricky Poulten (ricky@logcam.co.uk)
   7 #
   8 # (May need to change shell to ksh for HPUX or OSF for better getopts)
   9 #
  10 # Richard Sharpe, added -c 'tarmode full' so that we back up all files to
  11 # fix a bug in clitar when a patch was added to stop system and hidden files
  12 # being backed up.
  13
  14 case $0 in
  15     # when called by absolute path, assume smbclient is in the same directory
  16     /*)
  17         SMBCLIENT="`dirname $0`/smbclient";;
  18     *)  # you may need to edit this to show where your smbclient is
  19         SMBCLIENT="smbclient";;
  20 esac
  21
  22 # These are the default values. You could fill them in if you know what
  23 # you're doing, but beware: better not store a plain text password!
  24 server=""
  25 service="backup"            # Default: a service called "backup"
  26 password=""
  27 username=$LOGNAME           # Default: same user name as in *nix
  28 verbose="2>/dev/null"        # Default: no echo to stdout
  29 log="-d 2"
  30 newer=""
  31 blocksize=""
  32 clientargs="-c 'tarmode full'"
  33 tarcmd="c"
  34 tarargs=""
  35 cdcmd="\\"
  36 tapefile=${TAPE-tar.out}
  37
  38 Usage(){
  39     ex=$1
  40     shift
  41 echo >&2 "Usage: `basename $0` [<options>] [<include/exclude files>]
  42 Function: backup/restore a Windows PC directories to a local tape file
  43 Options:         (Description)                 (Default)
  44   -r             Restore from tape file to PC  Save from PC to tapefile
  45   -i             Incremental mode              Full backup mode
  46   -v             Verbose mode: echo command    Don't echo anything
  47   -s <server>    Specify PC Server             $server
  48   -p <password>  Specify PC Password           $password
  49   -x <share>     Specify PC Share              $service
  50   -X             Exclude mode                  Include
  51   -N <newer>     File for date comparison      `set -- $newer; echo $2`
  52   -b <blocksize> Specify tape's blocksize      `set -- $blocksize; echo $2`
  53   -d <dir>       Specify a directory in share  $cdcmd
  54   -l <log>       Specify a Samba Log Level     `set -- $log; echo $2`
  55   -u <user>      Specify User Name             $username
  56   -t <tape>      Specify Tape device           $tapefile
  57 "
  58   echo >&2 "$@"
  59   exit $ex
  60 }
  61
  62 echo Params count: $#
  63
  64 # DEC OSF AKA Digital UNIX does not seem to return a value in OPTIND if
  65 # there are no command line params, so protect us against that ...
  66 if [ $# = 0 ]; then
  67
  68   Usage 2 "Please enter a command line parameter!"
  69
  70 fi
  71
  72 while getopts rivl:b:d:N:s:p:x:u:Xt: c; do
  73   case $c in
  74    r) # [r]estore to Windows (instead of the default "Save from Windows")
  75       tarcmd="x"
  76       ;;
  77    i) # [i]ncremental
  78       tarargs=${tarargs}g
  79       ;;
  80    l) # specify [l]og file
  81       log="-d $OPTARG"
  82       case "$OPTARG" in
  83         [0-9]*) ;;
  84         *)      echo >&2 "$0: Error, log level not numeric: -l $OPTARG"
  85                 exit 1
  86       esac
  87       ;;
  88    d) # specify [d]irectory to change to in server's share
  89       cdcmd="$OPTARG"
  90       ;;
  91    N) # compare with a file, test if [n]ewer
  92       if [ -f $OPTARG ]; then
  93         newer=$OPTARG
  94         tarargs=${tarargs}N
  95       else
  96         echo >&2 $0: Warning, $OPTARG not found
  97       fi
  98       ;;
  99    X) # Add exclude flag
 100       tarargs=${tarargs}X
 101       ;;
 102    s) # specify [s]erver's share to connect to - this MUST be given.
 103       server="$OPTARG"
 104       ;;
 105    b) # specify [b]locksize
 106       blocksize="$OPTARG"
 107       case "$OPTARG" in
 108         [0-9]*) ;;
 109         *)      echo >&2 "$0: Error, block size not numeric: -b $OPTARG"
 110                 exit 1
 111       esac
 112       tarargs=${tarargs}b
 113       ;;
 114    p) # specify [p]assword to use
 115       password="$OPTARG"
 116       ;;
 117    x) # specify windows [s]hare to use
 118       service="$OPTARG"
 119       ;;
 120    t) # specify [t]apefile on local host
 121       tapefile="$OPTARG"
 122       ;;
 123    u) # specify [u]sername for connection
 124       username="$OPTARG"
 125       ;;
 126    v) # be [v]erbose and display what's going on
 127       verbose=""
 128       ;;
 129    '?') # any other switch
 130        Usage 2 "Invalid switch specified - abort."
 131       ;;
 132   esac
 133 done
 134
 135 shift `expr $OPTIND - 1`
 136
 137 if [ "$server" = "" ] || [ "$service" = "" ]; then
 138   Usage 1 "No server or no service specified - abort."
 139 fi
 140
 141 # if the -v switch is set, the echo the current parameters
 142 if [ -z "$verbose" ]; then
 143       echo "server    is $server"
 144 #     echo "share     is $service"
 145       echo "share     is $service\\$cdcmd"
 146       echo "tar args  is $tarargs"
 147 #     echo "password  is $password"  # passwords should never be sent to screen
 148       echo "tape      is $tapefile"
 149       echo "blocksize is $blocksize"
 150 fi
 151
 152 eval $SMBCLIENT "'\\\\$server\\$service'" "'$password'" -U "'$username'" \
 153 -E -N $log -D "'$cdcmd'" ${clientargs} \
 154 -T${tarcmd}${tarargs} $blocksize $newer $tapefile $* $verbose
 155