smbcacls - Set or get ACLs on an NT file or directory names
This tool is part of the samba(7) suite.
The smbcacls program manipulates NT Access Control Lists (ACLs) on SMB file shares.
The following options are available to the smbcacls program. The format of ACLs is described in the section ACL FORMAT
This command is a shortcut for -M OWNER:name.
This command is a shortcut for -M GROUP:name.
-s <configuration file>
The higher this value, the more detail will be logged to the log files about the activities of the server. 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.
Note that specifying this parameter here will override the
parameter in the smb.conf file.
The format of an ACL is one or more ACL entries separated by either commas or newlines. An ACL entry is one of the following:
REVISION:<revision number> OWNER:<sid or name> GROUP:<sid or name> ACL:<sid or name>:<type>/<flags>/<mask>
The revision of the ACL specifies the internal Windows NT ACL revision for the security descriptor. If not specified it defaults to 1. Using values other than 1 may cause strange behaviour.
The owner and group specify the owner and group sids for the object. If a SID in the format S-1-x-y-z is specified this is used, otherwise the name specified is resolved using the server on which the file or directory resides.
ACLs specify permissions granted to the SID. This SID again can be specified in S-1-x-y-z format or as a name in which case it is resolved against the server on which the file or directory resides. The type, flags and mask values determine the type of access granted to the SID.
The type can be either 0 or 1 corresponding to ALLOWED or DENIED access to the SID. The flags values are generally zero for file ACLs and either 9 or 2 for directory ACLs. Some common flags are:
At present flags can only be specified as decimal or hexadecimal values.
The mask is a value which expresses the access right granted to the SID. It can be given as a decimal or hexadecimal value, or by using one of the following text strings which map to the NT file permissions of the same name.
The following combined permissions can be specified:
The smbcacls program sets the exit status depending on the success or otherwise of the operations performed. The exit status may be one of the following values.
If the operation succeeded, smbcacls returns and exit status of 0. If smbcacls couldn't connect to the specified server, or there was an error getting or setting the ACLs, an exit status of 1 is returned. If there was an error parsing any command line arguments, an exit status of 2 is returned.
This man page is correct for version 3.0 of the Samba suite.
The original Samba software and related utilities were created by Andrew Tridgell. Samba is now developed by the Samba Team as an Open Source project similar to the way the Linux kernel is developed.
smbcacls was written by Andrew Tridgell and Tim Potter.
The conversion to DocBook for Samba 2.2 was done by Gerald Carter. The conversion to DocBook XML 4.2 for Samba 3.0 was done by Alexander Bokovoy.
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