smbclient (1)

smbclient is a client that can 'talk' to an SMB/CIFS server. It -offers an interface similar to that of the ftp program (see ftp -(1)). Operations include things like getting files from the server -to the local machine, putting files from the local machine to the -server, retrieving directory information from the server and so on. -

OPTIONS

OPERATIONS

The backslash ("\") indicates the current working directory on the -server, and will change if the current working directory is changed. -

The prompt indicates that the client is ready and waiting to carry out -a user command. Each command is a single word, optionally followed by -parameters specific to that command. Command and parameters are -space-delimited unless these notes specifically state otherwise. All -commands are case-insensitive. Parameters to commands may or may not -be case sensitive, depending on the command. -

You can specify file names which have spaces in them by quoting the -name with double quotes, for example "a long file name". -

Parameters shown in square brackets (e.g., "[parameter]") are -optional. If not given, the command will use suitable -defaults. Parameters shown in angle brackets (e.g., "<parameter>") are -required. -

Note that all commands operating on the server are actually performed -by issuing a request to the server. Thus the behavior may vary from -server to server, depending on how the server was implemented. -

NOTES

Some servers are fussy about the case of supplied usernames, -passwords, share names (AKA service names) and machine names. If you -fail to connect try giving all parameters in uppercase. -

It is often necessary to use the -n option when connecting to some -types of servers. For example OS/2 LanManager insists on a valid -NetBIOS name being used, so you need to supply a valid name that would -be known to the server. -

smbclient supports long file names where the server supports the -LANMAN2 protocol or above. -

ENVIRONMENT VARIABLES

The variable USER may contain the username of the person using the -client. This information is used only if the protocol level is high -enough to support session-level passwords. -

The variable PASSWD may contain the password of the person using -the client. This information is used only if the protocol level is -high enough to support session-level passwords. -

INSTALLATION

The location of the client program is a matter for individual system -administrators. The following are thus suggestions only. -

It is recommended that the smbclient software be installed in the -/usr/local/samba/bin or /usr/samba/bin directory, this directory -readable by all, writeable only by root. The client program itself -should be executable by all. The client should NOT be setuid or -setgid! -

The client log files should be put in a directory readable and -writeable only by the user. -

To test the client, you will need to know the name of a running -SMB/CIFS server. It is possible to run smbd (8) -an ordinary user - running that server as a daemon on a -user-accessible port (typically any port number over 1024) would -provide a suitable test server. -

DIAGNOSTICS

Most diagnostics issued by the client are logged in a specified log -file. The log file name is specified at compile time, but may be -overridden on the command line. -

The number and nature of diagnostics available depends on the debug -level used by the client. If you have problems, set the debug level to -3 and peruse the log files. -

VERSION

AUTHOR

The original Samba software and related utilities were created by -Andrew Tridgell samba@samba.org. Samba is now developed -by the Samba Team as an Open Source project similar to the way the -Linux kernel is developed. -

The original Samba man pages were written by Karl Auer. The man page -sources were converted to YODL format (another excellent piece of Open -Source software, available at -ftp://ftp.icce.rug.nl/pub/unix/) -and updated for the Samba2.0 release by Jeremy Allison. -samba@samba.org. -

See samba (7) to find out how to get a full -list of contributors and details on how to submit bug reports, -comments etc. - - +smbclient

smbclient

OPTIONS

servicename

servicename is the name of the service + you want to use on the server. A service name takes the form + //server/service where server + is the NetBIOS name of the SMB/CIFS server + offering the desired service and service + is the name of the service offered. Thus to connect to + the service "printer" on the SMB/CIFS server "smbserver", + you would use the servicename //smbserver/printer +

Note that the server name required is NOT necessarily + the IP (DNS) host name of the server ! The name required is + a NetBIOS server name, which may or may not be the + same as the IP hostname of the machine running the server. +

The server name is looked up according to either + the -R parameter to smbclient or + using the name resolve order parameter in the smb.conf file, + allowing an administrator to change the order and methods + by which server names are looked up.

password

The password required to access the specified + service on the specified server. If this parameter is + supplied, the -N option (suppress + password prompt) is assumed.

There is no default password. If no password is supplied + on the command line (either by using this parameter or adding + a password to the -U option (see + below)) and the -N option is not + specified, the client will prompt for a password, even if + the desired service does not require one. (If no password is + required, simply press ENTER to provide a null password.) +

Note: Some servers (including OS/2 and Windows for + Workgroups) insist on an uppercase password. Lowercase + or mixed case passwords may be rejected by these servers. +

Be cautious about including passwords in scripts. +

-s smb.conf

Specifies the location of the all important + smb.conf file.

-O socket options

TCP socket options to set on the client + socket. See the socket options parameter in the smb.conf (5) manpage for the list of valid + options.

name resolve order (G)

This option is used by the programs in the Samba + suite to determine what naming services and in what order to resolve + host names to IP addresses. The option takes a space separated + string of different name resolution options.

The options are :"lmhosts", "host", "wins" and "bcast". They + cause names to be resolved as follows :

lmhosts : Lookup an IP + address in the Samba lmhosts file. If the line in lmhosts has + no name type attached to the NetBIOS name (see the lmhosts(5) for details) then + any name type matches for lookup.
host : Do a standard host + name to IP address resolution, using the system /etc/hosts +, NIS, or DNS lookups. This method of name resolution + is operating system depended for instance on IRIX or Solaris this + may be controlled by the /etc/nsswitch.conf + file). Note that this method is only used if the NetBIOS name + type being queried is the 0x20 (server) name type, otherwise + it is ignored.
wins : Query a name with + the IP address listed in the wins server + parameter. If no WINS server has + been specified this method will be ignored.
bcast : Do a broadcast on + each of the known local interfaces listed in the + interfaces + parameter. This is the least reliable of the name resolution + methods as it depends on the target host being on a locally + connected subnet.

If this parameter is not set then the name resolve order + defined in the smb.conf file parameter + (name resolve order) will be used.

The default order is lmhosts, host, wins, bcast and without + this parameter or any entry in the name resolve order + parameter of the smb.conf file the name resolution + methods will be attempted in this order.

-M NetBIOS name

This options allows you to send messages, using + the "WinPopup" protocol, to another computer. Once a connection is + established you then type your message, pressing ^D (control-D) to + end.

If the receiving computer is running WinPopup the user will + receive the message and probably a beep. If they are not running + WinPopup the message will be lost, and no error message will + occur.

The message is also automatically truncated if the message + is over 1600 bytes, as this is the limit of the protocol. +

One useful trick is to cat the message through + smbclient. For example: cat mymessage.txt | smbclient -M FRED will + send the message in the file mymessage.txt + to the machine FRED.

You may also find the -U and + -I options useful, as they allow you to + control the FROM and TO parts of the message.

See the message command parameter in the smb.conf(5) for a description of how to handle incoming + WinPopup messages in Samba.

Note: Copy WinPopup into the startup group + on your WfWg PCs if you want them to always be able to receive + messages.

-i scope

This specifies a NetBIOS scope that smbclient will + use to communicate with when generating NetBIOS names. For details + on the use of NetBIOS scopes, see rfc1001.txt and rfc1002.txt. + NetBIOS scopes are very rarely used, only set + this parameter if you are the system administrator in charge of all + the NetBIOS systems you communicate with.

-N

If specified, this parameter suppresses the normal + password prompt from the client to the user. This is useful when + accessing a service that does not require a password.

Unless a password is specified on the command line or + this parameter is specified, the client will request a + password.

-n NetBIOS name

By default, the client will use the local + machine's hostname (in uppercase) as its NetBIOS name. This parameter + allows you to override the host name and use whatever NetBIOS + name you wish.

-d debuglevel

debuglevel is an integer from 0 to 10, or + the letter 'A'.

The default value if this parameter is not specified + is zero.

The higher this value, the more detail will be logged to + the log files about the activities of the + client. At level 0, only critical errors and serious warnings will + be logged. Level 1 is a reasonable level for day to day running - + it generates a small amount of information about operations + carried out.

Levels above 1 will generate considerable amounts of log + data, and should only be used when investigating a problem. + Levels above 3 are designed for use only by developers and + generate HUGE amounts of log data, most of which is extremely + cryptic. If debuglevel is set to the letter 'A', then all + debug messages will be printed. This setting + is for developers only (and people who really want + to know how the code works internally).

Note that specifying this parameter here will override + the log level parameter in the smb.conf (5) + file.

-p port

This number is the TCP port number that will be used + when making connections to the server. The standard (well-known) + TCP port number for an SMB/CIFS server is 139, which is the + default.

-l logfilename

If specified, logfilename specifies a base filename + into which operational data from the running client will be + logged.

The default base name is specified at compile time.

The base name is used to generate actual log file names. + For example, if the name specified was "log", the debug file + would be log.client.

The log file generated is never removed by the client. +

-h

Print the usage message for the client.

-I IP-address

IP address is the address of the server to connect to. + It should be specified in standard "a.b.c.d" notation.

Normally the client would attempt to locate a named + SMB/CIFS server by looking it up via the NetBIOS name resolution + mechanism described above in the name resolve order + parameter above. Using this parameter will force the client + to assume that the server is on the machine with the specified IP + address and the NetBIOS name component of the resource being + connected to will be ignored.

There is no default for this parameter. If not supplied, + it will be determined automatically by the client as described + above.

-E

This parameter causes the client to write messages + to the standard error stream (stderr) rather than to the standard + output stream.

By default, the client writes messages to standard output + - typically the user's tty.

-U username[%pass]

Sets the SMB username or username and password. + If %pass is not specified, The user will be prompted. The client + will first check the USER environment variable, then the + $LOGNAME variable and if either exist, the + string is uppercased. Anything in these variables following a '%' + sign will be treated as the password. If these environmental + variables are not found, the username GUEST + is used.

If the password is not included in these environment + variables (using the %pass syntax), rpcclient will look for + a $PASSWD environment variable from which + to read the password.

A third option is to use a credentials file which + contains the plaintext of the username and password. This + option is mainly provided for scripts where the admin doesn't + desire to pass the credentials on the command line or via environment + variables. If this method is used, make certain that the permissions + on the file restrict access from unwanted users. See the + -A for more details.

Be cautious about including passwords in scripts or in + the $PASSWD environment variable. Also, on + many systems the command line of a running process may be seen + via the ps command to be safe always allow + rpcclient to prompt for a password and type + it in directly.

-A filename

This option allows + you to specify a file from which to read the username and + password used in the connection. The format of the file is +

username = <value> 
+password = <value>
+

Make certain that the permissions on the file restrict + access from unwanted users.

-L

This option allows you to look at what services + are available on a server. You use it as smbclient -L + host and a list should appear. The -I + option may be useful if your NetBIOS names don't + match your tcp/ip dns host names or if you are trying to reach a + host on another network.

-t terminal code

This option tells smbclient how to interpret + filenames coming from the remote server. Usually Asian language + multibyte UNIX implementations use different character sets than + SMB/CIFS servers (EUC instead of SJIS for example). Setting this parameter will let + smbclient convert between the UNIX filenames and + the SMB filenames correctly. This option has not been seriously tested + and may have some problems.

The terminal codes include CWsjis, CWeuc, CWjis7, CWjis8, + CWjunet, CWhex, CWcap. This is not a complete list, check the Samba + source code for the complete list.

-b buffersize

This option changes the transmit/send buffer + size when getting or putting a file from/to the server. The default + is 65520 bytes. Setting this value smaller (to 1200 bytes) has been + observed to speed up file transfers to and from a Win9x server. +

-W WORKGROUP

Override the default workgroup specified in the + workgroup parameter of the smb.conf file + for this connection. This may be needed to connect to some + servers.

-T tar options

smbclient may be used to create tar(1) + compatible backups of all the files on an SMB/CIFS + share. The secondary tar flags that can be given to this option + are :

c - Create a tar file on UNIX. + Must be followed by the name of a tar file, tape device + or "-" for standard output. If using standard output you must + turn the log level to its lowest value -d0 to avoid corrupting + your tar file. This flag is mutually exclusive with the + x flag.
x - Extract (restore) a local + tar file back to a share. Unless the -D option is given, the tar + files will be restored from the top level of the share. Must be + followed by the name of the tar file, device or "-" for standard + input. Mutually exclusive with the c flag. + Restored files have their creation times (mtime) set to the + date saved in the tar file. Directories currently do not get + their creation dates restored properly.
I - Include files and directories. + Is the default behavior when filenames are specified above. Causes + tar files to be included in an extract or create (and therefore + everything else to be excluded). See example below. Filename globbing + works in one of two ways. See r below.
X - Exclude files and directories. + Causes tar files to be excluded from an extract or create. See + example below. Filename globbing works in one of two ways now. + See r below.
b - Blocksize. Must be followed + by a valid (greater than zero) blocksize. Causes tar file to be + written out in blocksize*TBLOCK (usually 512 byte) blocks. +
g - Incremental. Only back up + files that have the archive bit set. Useful only with the + c flag.
q - Quiet. Keeps tar from printing + diagnostics as it works. This is the same as tarmode quiet. +
r - Regular expression include + or exclude. Uses regular regular expression matching for + excluding or excluding files if compiled with HAVE_REGEX_H. + However this mode can be very slow. If not compiled with + HAVE_REGEX_H, does a limited wildcard match on '*' and '?'. +
N - Newer than. Must be followed + by the name of a file whose date is compared against files found + on the share during a create. Only files newer than the file + specified are backed up to the tar file. Useful only with the + c flag.
a - Set archive bit. Causes the + archive bit to be reset when a file is backed up. Useful with the + g and c flags. +

Tar Long File Names

smbclient's tar option now supports long + file names both on backup and restore. However, the full path + name of the file must be less than 1024 bytes. Also, when + a tar archive is created, smbclient's tar option places all + files in the archive with relative names, not absolute names. +

Tar Filenames

All file names can be given as DOS path names (with '\' + as the component separator) or as UNIX path names (with '/' as + the component separator).

Examples

Restore from tar file backup.tar into myshare on mypc + (no password on share).

smbclient //mypc/myshare "" -N -Tx backup.tar +

Restore everything except users/docs +

smbclient //mypc/myshare "" -N -TXx backup.tar + users/docs

Create a tar file of the files beneath users/docs.

smbclient //mypc/myshare "" -N -Tc + backup.tar users/docs

Create the same tar file as above, but now use + a DOS path name.

smbclient //mypc/myshare "" -N -tc backup.tar + users\edocs

Create a tar file of all the files and directories in + the share.

smbclient //mypc/myshare "" -N -Tc backup.tar * +

-D initial directory

Change to initial directory before starting. Probably + only of any use with the tar -T option.

-c command string

command string is a semicolon separated list of + commands to be executed instead of prompting from stdin. -N is implied by -c.

This is particularly useful in scripts and for printing stdin + to the server, e.g. -c 'print -'.

OPERATIONS

Once the client is running, the user is presented with + a prompt :

smb:\>

The backslash ("\") indicates the current working directory + on the server, and will change if the current working directory + is changed.

The prompt indicates that the client is ready and waiting to + carry out a user command. Each command is a single word, optionally + followed by parameters specific to that command. Command and parameters + are space-delimited unless these notes specifically + state otherwise. All commands are case-insensitive. Parameters to + commands may or may not be case sensitive, depending on the command. +

You can specify file names which have spaces in them by quoting + the name with double quotes, for example "a long file name".

Parameters shown in square brackets (e.g., "[parameter]") are + optional. If not given, the command will use suitable defaults. Parameters + shown in angle brackets (e.g., "<parameter>") are required. +

Note that all commands operating on the server are actually + performed by issuing a request to the server. Thus the behavior may + vary from server to server, depending on how the server was implemented. +

The commands available are given here in alphabetical order.

? [command]

If "command" is specified, the ? command will display + a brief informative message about the specified command. If no + command is specified, a list of available commands will + be displayed.

! [shell command]

If "shell command" is specified, the ! + command will execute a shell locally and run the specified shell + command. If no command is specified, a local shell will be run. +

cd [directory name]

If "directory name" is specified, the current + working directory on the server will be changed to the directory + specified. This operation will fail if for any reason the specified + directory is inaccessible.

If no directory name is specified, the current working + directory on the server will be reported.

del <mask>

The client will request that the server attempt + to delete all files matching "mask" from the current working + directory on the server.

dir <mask>

A list of the files matching "mask" in the current + working directory on the server will be retrieved from the server + and displayed.

exit

Terminate the connection with the server and exit + from the program.

get <remote file name> [local file name]

Copy the file called "remote file name" from + the server to the machine running the client. If specified, name + the local copy "local file name". Note that all transfers in + smbclient are binary. See also the + lowercase command.

help [command]

See the ? command above.

lcd [directory name]

If "directory name" is specified, the current + working directory on the local machine will be changed to + the directory specified. This operation will fail if for any + reason the specified directory is inaccessible.

If no directory name is specified, the name of the + current working directory on the local machine will be reported. +

lowercase

Toggle lowercasing of filenames for the get and + mget commands.

When lowercasing is toggled ON, local filenames are converted + to lowercase when using the get and mget commands. This is + often useful when copying (say) MSDOS files from a server, because + lowercase filenames are the norm on UNIX systems.

ls <mask>

See the dir command above.

mask <mask>

This command allows the user to set up a mask + which will be used during recursive operation of the mget and + mput commands.

The masks specified to the mget and mput commands act as + filters for directories rather than files when recursion is + toggled ON.

The mask specified with the mask command is necessary + to filter files within those directories. For example, if the + mask specified in an mget command is "source*" and the mask + specified with the mask command is "*.c" and recursion is + toggled ON, the mget command will retrieve all files matching + "*.c" in all directories below and including all directories + matching "source*" in the current working directory.

Note that the value for mask defaults to blank (equivalent + to "*") and remains so until the mask command is used to change it. + It retains the most recently specified value indefinitely. To + avoid unexpected results it would be wise to change the value of + mask back to "*" after using the mget or mput commands.

md <directory name>

See the mkdir command.

mget <mask>

Copy all files matching mask from the server to + the machine running the client.

Note that mask is interpreted differently during recursive + operation and non-recursive operation - refer to the recurse and + mask commands for more information. Note that all transfers in + smbclient are binary. See also the lowercase command.

mkdir <directory name>

Create a new directory on the server (user access + privileges permitting) with the specified name.

mput <mask>

Copy all files matching mask in the current working + directory on the local machine to the current working directory on + the server.

Note that mask is interpreted differently during recursive + operation and non-recursive operation - refer to the recurse and mask + commands for more information. Note that all transfers in smbclient + are binary.

print <file name>

Print the specified file from the local machine + through a printable service on the server.

smbclient (1)

Samba

23 Oct 1998

NAME

SYNOPSIS

DESCRIPTION

OPTIONS

OPERATIONS

NOTES

ENVIRONMENT VARIABLES

INSTALLATION

DIAGNOSTICS

VERSION

AUTHOR

smbclient

Name

Synopsis

DESCRIPTION

OPTIONS

OPERATIONS

NOTES

ENVIRONMENT VARIABLES

INSTALLATION

DIAGNOSTICS

VERSION

AUTHOR