idmap_rid man page on Solaris

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IDMAP_RID(1M)		  System Administration tools		 IDMAP_RID(1M)

NAME
       idmap_rid - Samba's idmap_rid Backend for Winbind

DESCRIPTION
       The idmap_rid backend provides a way to use an algorithmic mapping
       scheme to map UIDs/GIDs and SIDs. No database is required in this case
       as the mapping is deterministic.

       Note that the idmap_rid module has changed considerably since Samba
       versions 3.0. and 3.2. Currently, there should to be an explicit idmap
       configuration for each domain that should use the idmap_rid backend,
       using disjoint ranges. One usually needs to define a writeable default
       idmap range, using a backent like tdb or ldap that can create unix ids,
       in order to be able to map the BUILTIN sids and other domains, and also
       in order to be able to create group mappings. See the example below.

       Note that the old syntax idmap backend = rid:"DOM1=range DOM2=range2
       ..."  is not supported any more since Samba version 3.0.25.

IDMAP OPTIONS
       range = low - high
	   Defines the available matching uid and gid range for which the
	   backend is authoritative. Note that the range acts as a filter. If
	   algorithmically determined UID or GID fall outside the range, they
	   are ignored and the corresponding map is discarded. It is intended
	   as a way to avoid accidental UID/GID overlaps between local and
	   remotely defined IDs.

       base_rid = INTEGER
	   Defines the base integer used to build SIDs out of a UID or a GID,
	   and to rebase the UID or GID to be obtained from a SID. This means
	   SIDs with a RID less than the base rid are filtered. The default is
	   not to restrict the allowed rids at all, i.e. a base_rid value of
	   0. A good value for the base_rid can be 1000, since user RIDs by
	   default start at 1000 (512 hexadecimal).

	   Use of this parameter is deprecated.

THE MAPPING FORMULAS
       The Unix ID for a RID is calculated this way:

			  ID = RID - BASE_RID + LOW_RANGE_ID.

       Correspondingly, the formula for calculating the RID for a given Unix
       ID is this:

			  RID = ID + BASE_RID - LOW_RANGE_ID.

EXAMPLES
       This example shows how to configure two domains with idmap_rid, the
       principal domain and a trusted domain, leaving the default id mapping
       scheme at tdb. The example also demonstrates the use of the base_rid
       parameter for the trusted domain.

		[global]
		security = domain
		workgroup = MAIN

		idmap config * : backend	= tdb
		idmap config * : range		= 1000000-1999999

		idmap config MAIN : backend	= rid
		idmap config MAIN : range	= 10000 - 49999

		idmap config TRUSTED : backend	= rid
		idmap config TRUSTED : range	= 50000 - 99999
		idmap config TRUSTED : base_rid = 1000

AUTHOR
       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.

ATTRIBUTES
       See attributes(5) for descriptions of the following attributes:

       ┌────────────────────┬─────────────────────────────────┐
       │  ATTRIBUTE TYPE    │	      ATTRIBUTE VALUE	      │
       ├────────────────────┼─────────────────────────────────┤
       │Availability	    │ SUNWsmbar, SUNWsmbac, SUNWsmbau │
       ├────────────────────┼─────────────────────────────────┤
       │Interface Stability │ External			      │
       └────────────────────┴─────────────────────────────────┘
NOTES
       Source code for Samba is available in the SUNWsmbaS package.

       Samba(7) delivers the set of four SMF(5) services as can be seen from
       the following example:

	    $ svcs samba wins winbind swat
	   STATE	  STIME	   FMRI
	   disabled	  Apr_21   svc:/network/samba:default
	   disabled	  Apr_21   svc:/network/winbind:default
	   disabled	  Apr_21   svc:/network/wins:default
	   disabled	  Apr_21   svc:/network/swat:default

       where the services are:

	"samba"
	   runs the smbd daemon managing the CIFS sessions

	"wins"
	   runs the nmbd daemon enabling the browsing (WINS)

	"winbind"
	   runs the winbindd daemon making the domain idmap

	"swat"
	   Samba Web Administration Tool is a service providing access to
	   browser-based Samba administration interface and on-line
	   documentation.  The service runs on software loopback network
	   interface on port 901/tcp, i.e. opening "http://localhost:901/" in
	   browser will access the SWAT service on local machine.

       Please note: SWAT uses HTTP Basic Authentication scheme where user name
       and passwords are sent over the network in clear text. In the SWAT case
       the user name is root. Transferring such sensitive data is advisable
       only on the software loopback network interface or over secure
       networks.

Samba 3.6			  04/10/2012			 IDMAP_RID(1M)
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