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 # sandy nov 3 '98 added -a flag
  11 #
  12 # Richard Sharpe, added -c 'tarmode full' so that we back up all files to
  13 # fix a bug in clitar when a patch was added to stop system and hidden files
  14 # being backed up.
  15
  16 case $0 in
  17     # when called by absolute path, assume smbclient is in the same directory
  18     /*)
  19         SMBCLIENT="`dirname $0`/smbclient";;
  20     *)  # you may need to edit this to show where your smbclient is
  21         SMBCLIENT="smbclient";;
  22 esac
  23
  24 # These are the default values. You could fill them in if you know what
  25 # you're doing, but beware: better not store a plain text password!
  26 server=""
  27 service="backup"            # Default: a service called "backup"
  28 password=""
  29 username=$LOGNAME           # Default: same user name as in *nix
  30 verbose="2>/dev/null"        # Default: no echo to stdout
  31 log="-d 2"
  32 newer=""
  33 newerarg=""
  34 blocksize=""
  35 blocksizearg=""
  36 clientargs="-c 'tarmode full'"
  37 tarcmd="c"
  38 tarargs=""
  39 cdcmd="\\"
  40 tapefile=${TAPE-tar.out}
  41
  42 Usage(){
  43     ex=$1
  44     shift
  45 echo >&2 "Usage: `basename $0` [<options>] [<include/exclude files>]
  46 Function: backup/restore a Windows PC directories to a local tape file
  47 Options:         (Description)                 (Default)
  48   -r             Restore from tape file to PC  Save from PC to tapefile
  49   -i             Incremental mode              Full backup mode
  50   -a             Reset archive bit mode        Don't reset archive bit
  51   -v             Verbose mode: echo command    Don't echo anything
  52   -s <server>    Specify PC Server             $server
  53   -p <password>  Specify PC Password           $password
  54   -x <share>     Specify PC Share              $service
  55   -X             Exclude mode                  Include
  56   -N <newer>     File for date comparison      `set -- $newer; echo $2`
  57   -b <blocksize> Specify tape's blocksize      `set -- $blocksize; echo $2`
  58   -d <dir>       Specify a directory in share  $cdcmd
  59   -l <log>       Specify a Samba Log Level     `set -- $log; echo $2`
  60   -u <user>      Specify User Name             $username
  61   -t <tape>      Specify Tape device           $tapefile
  62 "
  63   echo >&2 "$@"
  64   exit $ex
  65 }
  66
  67 # echo Params count: $#
  68
  69 # DEC OSF AKA Digital UNIX does not seem to return a value in OPTIND if
  70 # there are no command line params, so protect us against that ...
  71 if [ $# = 0 ]; then
  72
  73   Usage 2 "Please enter a command line parameter!"
  74
  75 fi
  76
  77 while getopts riavl:b:d:N:s:p:x:u:Xt: c; do
  78   case $c in
  79    r) # [r]estore to Windows (instead of the default "Save from Windows")
  80       tarcmd="x"
  81       ;;
  82    i) # [i]ncremental
  83       tarargs=${tarargs}ga
  84       clientargs="-c 'tarmode inc'"
  85       ;;
  86    a) # [a]rchive
  87       tarargs=${tarargs}a
  88       ;;
  89    l) # specify [l]og file
  90       log="-d $OPTARG"
  91       case "$OPTARG" in
  92         [0-9]*) ;;
  93         *)      echo >&2 "$0: Error, log level not numeric: -l $OPTARG"
  94                 exit 1
  95       esac
  96       ;;
  97    d) # specify [d]irectory to change to in server's share
  98       cdcmd="$OPTARG"
  99       ;;
 100    N) # compare with a file, test if [n]ewer
 101       if [ -f $OPTARG ]; then
 102         newer=$OPTARG
 103         newerarg="N"
 104       else
 105         echo >&2 $0: Warning, $OPTARG not found
 106       fi
 107       ;;
 108    X) # Add exclude flag
 109       tarargs=${tarargs}X
 110       ;;
 111    s) # specify [s]erver's share to connect to - this MUST be given.
 112       server="$OPTARG"
 113       ;;
 114    b) # specify [b]locksize
 115       blocksize="$OPTARG"
 116       case "$OPTARG" in
 117         [0-9]*) ;;
 118         *)      echo >&2 "$0: Error, block size not numeric: -b $OPTARG"
 119                 exit 1
 120       esac
 121       blocksizearg="b"
 122       ;;
 123    p) # specify [p]assword to use
 124       password="$OPTARG"
 125       ;;
 126    x) # specify windows [s]hare to use
 127       service="$OPTARG"
 128       ;;
 129    t) # specify [t]apefile on local host
 130       tapefile="$OPTARG"
 131       ;;
 132    u) # specify [u]sername for connection
 133       username="$OPTARG"
 134       ;;
 135    v) # be [v]erbose and display what's going on
 136       verbose=""
 137       ;;
 138    '?') # any other switch
 139        Usage 2 "Invalid switch specified - abort."
 140       ;;
 141   esac
 142 done
 143
 144 shift `expr $OPTIND - 1`
 145
 146 if [ "$server" = "" ] || [ "$service" = "" ]; then
 147   Usage 1 "No server or no service specified - abort."
 148 fi
 149
 150 # if the -v switch is set, the echo the current parameters
 151 if [ -z "$verbose" ]; then
 152       echo "server    is $server"
 153 #     echo "share     is $service"
 154       echo "share     is $service\\$cdcmd"
 155       echo "tar args  is $tarargs"
 156 #     echo "password  is $password"  # passwords should never be sent to screen
 157       echo "tape      is $tapefile"
 158       echo "blocksize is $blocksize"
 159 fi
 160
 161 tarargs=${tarargs}${blocksizearg}${newerarg}
 162
 163 eval $SMBCLIENT "'\\\\$server\\$service'" "'$password'" -U "'$username'" \
 164 -E $log -D "'$cdcmd'" ${clientargs} \
 165 -T${tarcmd}${tarargs} $blocksize $newer $tapefile '${1+"$@"}' $verbose