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