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 $0)/smbclient"
  20         ;;
  21 *) # you may need to edit this to show where your smbclient is
  22         SMBCLIENT="smbclient" ;;
  23 esac
  24
  25 # These are the default values. You could fill them in if you know what
  26 # you're doing, but beware: better not store a plain text password!
  27 server=""
  28 service="backup" # Default: a service called "backup"
  29 password=""
  30 username=$LOGNAME     # Default: same user name as in *nix
  31 verbose="2>/dev/null" # Default: no echo to stdout
  32 log="-d 2"
  33 newer=""
  34 newerarg=""
  35 blocksize=""
  36 blocksizearg=""
  37 clientargs="-c 'tarmode full'"
  38 tarcmd="c"
  39 tarargs=""
  40 cdcmd="\\"
  41 tapefile=${TAPE-tar.out}
  42
  43 Usage()
  44 {
  45         ex=$1
  46         shift
  47         echo >&2 "Usage: $(basename $0) [<options>] [<include/exclude files>]
  48 Function: backup/restore a Windows PC directories to a local tape file
  49 Options:         (Description)                 (Default)
  50   -r             Restore from tape file to PC  Save from PC to tapefile
  51   -i             Incremental mode              Full backup mode
  52   -a             Reset archive bit mode        Don't reset archive bit
  53   -v             Verbose mode: echo command    Don't echo anything
  54   -s <server>    Specify PC Server             $server
  55   -p <password>  Specify PC Password           $password
  56   -x <share>     Specify PC Share              $service
  57   -X             Exclude mode                  Include
  58   -N <newer>     File for date comparison      $(
  59                 set -- $newer
  60                 echo $2
  61         )
  62   -b <blocksize> Specify tape's blocksize      $(
  63                 set -- $blocksize
  64                 echo $2
  65         )
  66   -d <dir>       Specify a directory in share  $cdcmd
  67   -l <log>       Specify a Samba Log Level     $(
  68                 set -- $log
  69                 echo $2
  70         )
  71   -u <user>      Specify User Name             $username
  72   -t <tape>      Specify Tape device           $tapefile
  73 "
  74         echo >&2 "$@"
  75         exit $ex
  76 }
  77
  78 # echo Params count: $#
  79
  80 # DEC OSF AKA Digital UNIX does not seem to return a value in OPTIND if
  81 # there are no command line params, so protect us against that ...
  82 if [ $# = 0 ]; then
  83
  84         Usage 2 "Please enter a command line parameter!"
  85
  86 fi
  87
  88 while getopts riavl:b:d:N:s:p:x:u:Xt: c; do
  89         case $c in
  90         r) # [r]estore to Windows (instead of the default "Save from Windows")
  91                 tarcmd="x"
  92                 ;;
  93         i) # [i]ncremental
  94                 tarargs=${tarargs}ga
  95                 clientargs="-c 'tarmode inc'"
  96                 ;;
  97         a) # [a]rchive
  98                 tarargs=${tarargs}a
  99                 ;;
 100         l) # specify [l]og file
 101                 log="-d $OPTARG"
 102                 case "$OPTARG" in
 103                 [0-9]*) ;;
 104                 *)
 105                         echo >&2 "$0: Error, log level not numeric: -l $OPTARG"
 106                         exit 1
 107                         ;;
 108                 esac
 109                 ;;
 110         d) # specify [d]irectory to change to in server's share
 111                 cdcmd="$OPTARG"
 112                 ;;
 113         N) # compare with a file, test if [n]ewer
 114                 if [ -f $OPTARG ]; then
 115                         newer=$OPTARG
 116                         newerarg="N"
 117                 else
 118                         echo >&2 $0: Warning, $OPTARG not found
 119                 fi
 120                 ;;
 121         X) # Add exclude flag
 122                 tarargs=${tarargs}X
 123                 ;;
 124         s) # specify [s]erver's share to connect to - this MUST be given.
 125                 server="$OPTARG"
 126                 ;;
 127         b) # specify [b]locksize
 128                 blocksize="$OPTARG"
 129                 case "$OPTARG" in
 130                 [0-9]*) ;;
 131                 *)
 132                         echo >&2 "$0: Error, block size not numeric: -b $OPTARG"
 133                         exit 1
 134                         ;;
 135                 esac
 136                 blocksizearg="b"
 137                 ;;
 138         p) # specify [p]assword to use
 139                 password="$OPTARG"
 140                 ;;
 141         x) # specify windows [s]hare to use
 142                 service="$OPTARG"
 143                 ;;
 144         t) # specify [t]apefile on local host
 145                 tapefile="$OPTARG"
 146                 ;;
 147         u) # specify [u]sername for connection
 148                 username="$OPTARG"
 149                 ;;
 150         v) # be [v]erbose and display what's going on
 151                 verbose=""
 152                 tarargs=${tarargs}v
 153                 ;;
 154         '?') # any other switch
 155                 Usage 2 "Invalid switch specified - abort."
 156                 ;;
 157         esac
 158 done
 159
 160 shift $(expr $OPTIND - 1)
 161
 162 if [ "$server" = "" ] || [ "$service" = "" ]; then
 163         Usage 1 "No server or no service specified - abort."
 164 fi
 165
 166 # if the -v switch is set, the echo the current parameters
 167 if [ -z "$verbose" ]; then
 168         echo "server    is $server"
 169 #       echo "share     is $service"
 170         echo "share     is $service\\$cdcmd"
 171         echo "tar args  is $tarargs"
 172 #       echo "password  is $password"  # passwords should never be sent to screen
 173         echo "tape      is $tapefile"
 174         echo "blocksize is $blocksize"
 175 fi
 176
 177 tarargs=${tarargs}${blocksizearg}${newerarg}
 178
 179 eval $SMBCLIENT "'\\\\$server\\$service'" "'$password'" -U "'$username'" \
 180         -E $log -D "'$cdcmd'" ${clientargs} \
 181         -T${tarcmd}${tarargs} $blocksize $newer $tapefile '${1+"$@"}' $verbose