.TH SLAPD.CONF 5 "RELEASEDATE" "OpenLDAP LDVERSION"
-.\" Copyright 1998-2004 The OpenLDAP Foundation All Rights Reserved.
+.\" Copyright 1998-2005 The OpenLDAP Foundation All Rights Reserved.
.\" Copying restrictions apply. See COPYRIGHT/LICENSE.
.\" $OpenLDAP$
.SH NAME
.LP
If a line begins with white space, it is considered a continuation
of the previous line. Blank lines and comment lines beginning with
-a `#' character are ignored. (Note: continuation lines are unwrapped
-before comment processing is applied.)
+a `#' character are ignored. Note: continuation lines are unwrapped
+before comment processing is applied.
.LP
Arguments on configuration lines are separated by white space. If an
argument contains white space, the argument should be enclosed in
.B UID=$1,OU=Accounts,DC=example,DC=com
.RE
-The replaced name can be either a DN or an LDAP URI. If the
-latter, the server will use the URI to search its own database(s)
+The replaced name can be either a DN, i.e. a string prefixed by "dn:",
+or an LDAP URI.
+If the latter, the server will use the URI to search its own database(s)
and, if the search returns exactly one entry, the name is
replaced by the DN of that entry. The LDAP URI must have no
-hostport, attrs, or extensions components, e.g.
+hostport, attrs, or extensions components, but the filter is mandatory,
+e.g.
.RS
.TP
.B ldap:///OU=Accounts,DC=example,DC=com??one?(UID=$1)
.RE
+The protocol portion of the URI must be strictly
+.BR ldap .
+
Multiple
.B authz-regexp
options can be given in the configuration file to allow for multiple matching
disables acceptance of anonymous bind requests.
.B bind_simple
disables simple (bind) authentication.
-.B bind_krbv4
-disables Kerberos V4 (bind) authentication.
.B tls_2_anon
disables Start TLS from forcing session to anonymous status (see also
.BR tls_authc ).
Specify the maximum incoming LDAP PDU size for authenticated sessions.
The default is 4194303.
.TP
-.B srvtab <filename>
-Specify the srvtab file in which the kerberos keys necessary for
-authenticating clients using kerberos can be found. This option is only
-meaningful if you are using Kerberos authentication.
-.TP
.B threads <integer>
Specify the maximum size of the primary thread pool.
The default is 16.
.B TLSVerifyClient
setting must be chosen to enable SASL EXTERNAL authentication.
.RE
+.TP
+.B TLSCRLCheck <level>
+Specifies if the Certificate Revocation List (CRL) of the CA should be
+used to verify if the client certificates have not been revoked. This
+requires
+.B TLSCACertificatePath
+parameter to be set.
+.B <level>
+can be specified as one of the following keywords:
+.RS
+.TP
+.B none
+No CRL checks are performed
+.TP
+.B peer
+Check the CRL of the peer certificate
+.TP
+.B all
+Check the CRL for a whole certificate chain
+.RE
.SH GENERAL BACKEND OPTIONS
Options in this section only apply to the configuration file section
for the specified backend. They are supported by every
Mark the beginning of a backend definition. <databasetype>
should be one of
.BR bdb ,
+.BR config ,
.BR dnssrv ,
+.BR hdb ,
.BR ldap ,
.BR ldbm ,
+.BR ldif ,
.BR meta ,
.BR monitor ,
.BR null ,
.BR perl ,
.BR relay ,
.BR shell ,
-.BR sql ,
or
-.BR tcl ,
+.BR sql ,
depending on which backend will serve the database.
.SH GENERAL DATABASE OPTIONS
Mark the beginning of a new database instance definition. <databasetype>
should be one of
.BR bdb ,
+.BR config ,
.BR dnssrv ,
+.BR hdb ,
.BR ldap ,
.BR ldbm ,
+.BR ldif ,
.BR meta ,
.BR monitor ,
.BR null ,
.BR perl ,
.BR relay ,
.BR shell ,
-.BR sql ,
or
-.BR tcl ,
+.BR sql ,
depending on which backend will serve the database.
.TP
.B lastmod on | off
.BR unchecked
specifier sets a limit on the number of candidates a search request is allowed
to examine.
-The rationale behind it is that searches for non-properly indicized
+The rationale behind it is that searches for non-properly indexed
attributes may result in large sets of candidates, which must be
examined by
.BR slapd (8)
to determine whether they match the search filter or not.
The
-.B unckeched
+.B unchecked
limit provides a means to drop such operations before they are even
started.
If the selected candidates exceed the
a namingContext (suffix) of the database, a simple bind password
may also be provided using the
.B rootpw
-directive.
+directive. Note that the rootdn is always needed when using syncrepl.
.TP
.B rootpw <password>
Specify a password (or hash of the password) for the rootdn. The
If the suffix of one database is "inside" that of another, the database
with the inner suffix must come first in the configuration file.
.TP
-.B subordinate
+.B subordinate [advertise]
Specify that the current backend database is a subordinate of another
-backend database. A subordinate database may have only one suffix. This
+backend database. A subordinate database may have only one suffix. This
option may be used to glue multiple databases into a single namingContext.
If the suffix of the current database is within the namingContext of a
superior database, searches against the superior database will be
Behavior of other LDAP operations is unaffected by this setting. In
particular, it is not possible to use moddn to move an entry from
one subordinate to another subordinate within the namingContext.
+
+If the optional \fBadvertise\fP flag is supplied, the naming context of
+this database is advertised in the root DSE. The default is to hide this
+database context, so that only the superior context is visible.
+
+If the slap tools
+.BR slapcat (8),
+.BR slapadd (8),
+or
+.BR slapindex (8)
+are used on the superior database, any glued subordinates that support
+these tools are opened as well.
+
+Databases that are glued together should usually be configured with the
+same indices (assuming they support indexing), even for attributes that
+only exist in some of these databases. In general, all of the glued
+databases should be configured as similarly as possible, since the intent
+is to provide the appearance of a single directory.
+
+Note that the \fIsubordinate\fP functionality is implemented internally
+by the \fIglue\fP overlay and as such its behavior will interact with other
+overlays in use. By default, the glue overlay is automatically configured as
+the last overlay on the superior backend. Its position on the backend
+can be explicitly configured by setting an \fBoverlay glue\fP directive
+at the desired position. This explicit configuration is necessary e.g.
+when using the \fIsyncprov\fP overlay, which needs to follow \fIglue\fP
+in order to work over all of the glued databases. E.g.
+.RS
+.nf
+ database bdb
+ suffix dc=example,dc=com
+ ...
+ overlay glue
+ overlay syncprov
+.fi
+.RE
.HP
.hy 0
.B syncrepl rid=<replica ID>
.B [sizelimit=<limit>]
.B [timelimit=<limit>]
.B [schemachecking=on|off]
-.B [updatedn=<dn>]
+.B [starttls=yes|critical]
.B [bindmethod=simple|sasl]
.B [binddn=<dn>]
.B [saslmech=<mech>]
.B [credentials=<passwd>]
.B [realm=<realm>]
.B [secprops=<properties>]
+.B [logbase=<base DN>]
+.B [logfilter=<filter str>]
+.B [syncdata=default|accesslog|changelog]
.RS
Specify the current database as a replica which is kept up-to-date with the
master content by establishing the current
reconnect according to the
.B retry
parameter which is a list of the <retry interval> and <# of retries> pairs.
-For example, retry="60 5 300 3" lets the consumer retry every 60 seconds
-for the first 10 times and then retry every 300 seconds for the next three
-times before stop retrying. + in <# of retries> means indefinite
+For example, retry="60 10 300 3" lets the consumer retry every 60 seconds
+for the first 10 times and then retry every 300 seconds for the next 3
+times before stop retrying. The `+' in <# of retries> means indefinite
number of retries until success.
The schema checking can be enforced at the LDAP Sync
consumer site by turning on the
.B schemachecking
parameter. The default is off.
The
-.B updatedn
-parameter specifies the DN in the consumer site
-which is allowed to make changes to the replica.
-The DN should have read/write access to the replica database.
-Generally, this DN
-.I should not
-be the same as the
-.B rootdn
-of the master database.
+.B starttls
+parameter specifies use of the StartTLS extended operation
+to establish a TLS session before Binding to the provider. If the
+.B critical
+argument is supplied, the session will be aborted if the StartTLS request
+fails. Otherwise the syncrepl session continues without TLS.
A
.B bindmethod
of
option. A non default SASL realm can be set with the
.B realm
option.
+
+Rather than replicating whole entries, the consumer can query logs of
+data modifications. This mode of operation is referred to as \fIdelta
+syncrepl\fP. In addition to the above parameters, the
+.B logbase
+and
+.B logfilter
+parameters must be set appropriately for the log that will be used. The
+.B syncdata
+parameter must be set to either "accesslog" if the log conforms to the
+.BR slapo-accesslog (5)
+log format, or "changelog" if the log conforms
+to the obsolete \fIchangelog\fP format. If the
+.B syncdata
+parameter is omitted or set to "default" then the log parameters are
+ignored.
.RE
.TP
.B updatedn <dn>
it properly.
It uses the Sleepycat Berkeley DB (BDB) package to store data.
.TP
-.B ldbm
-This is the database backend which is easiest to configure.
-However, it does not offer the data durability features of the BDB
-backend.
-It uses Berkeley DB or GDBM to store data.
+.B config
+This backend is used to manage the configuration of slapd run-time.
.TP
.B dnssrv
This backend is experimental.
It serves up referrals based upon SRV resource records held in the
Domain Name System.
.TP
+.B hdb
+This is a variant of the BDB backend that uses a hierarchical database
+layout which supports subtree renames.
+.TP
.B ldap
This backend acts as a proxy to forward incoming requests to another
LDAP server.
.TP
+.B ldbm
+This is the database backend which is easiest to configure.
+However, it does not offer the data durability features of the BDB
+backend.
+It uses Berkeley DB or GDBM to store data.
+.TP
+.B ldif
+This database uses the filesystem to build the tree structure
+of the database, using plain ascii files to store data.
+Its usage should be limited to very simple databases, where performances
+are not a requirement.
+.TP
.B meta
This backend performs basic LDAP proxying with respect to a set of
remote LDAP servers. It is an enhancement of the ldap backend. The
It runs Perl subroutines to implement LDAP operations.
.TP
.B relay
-This backend redirects LDAP operations to another database
+This backend is experimental.
+It redirects LDAP operations to another database
in the same server, based on the naming context of the request.
Its use requires the
.B rwm
.B sql
This backend is experimental.
It services LDAP requests from an SQL database.
+.SH OVERLAYS
+The following overlays can be compiled into slapd.
+They are documented in the
+.BR slapo-<overlay> (5)
+manual pages.
.TP
-.B tcl
-This backend is experimental.
-It embeds a
-.BR Tcl (3tcl)
-interpreter into slapd.
-It runs Tcl commands to implement LDAP operations.
+.B accesslog
+Access Logging.
+This overlay can record accesses to a given backend database on another
+database.
+.TP
+.B auditlog
+Audit Logging.
+This overlay records changes on a given backend database to an LDIF log
+file.
+By default it is not built.
+.TP
+.B chain
+Chaining.
+This overlay allows automatic referral chasing when a referral would
+have been returned.
+.TP
+.B denyop
+Deny Operation.
+This overlay allows selected operations to be denied, similar to the
+\fBrestrict\fP option.
+.TP
+.B dyngroup
+Dynamic Group.
+This is a demo overlay which extends the Compare operation to detect
+members of a dynamic group.
+It has no effect on any other operations.
+.TP
+.B dynlist
+Dynamic List.
+This overlay allows expansion of dynamic groups and more.
+.TP
+.B lastmod
+Last Modification.
+This overlay maintains a service entry in the database with the DN,
+modification type, modifiersName and modifyTimestamp of the last write
+operation performed on that database.
+.TP
+.B pcache
+Proxycache.
+This overlay allows caching of LDAP search requests in a local database.
+.TP
+.B ppolicy
+Password Policy.
+This overlay provides a variety of password control mechanisms,
+e.g. password aging, password reuse and duplication control, mandatory
+password resets, etc.
+.TP
+.B refint
+Referential Integrity.
+This overlay can be used with a backend database such as
+.BR slapd-bdb (5)
+to maintain the cohesiveness of a schema which utilizes reference
+attributes.
+.TP
+.B retcode
+Return Code.
+This overlay is useful to test the behavior of clients when
+server-generated erroneous and/or unusual responses occur.
+.TP
+.B rwm
+Rewrite/remap.
+This overlay is experimental.
+It performs basic DN/data rewrite and
+objectClass/attributeType mapping.
+.TP
+.B syncprov
+Syncrepl Provider.
+This overlay implements the provider-side support for
+.B syncrepl
+replication, including persistent search functionality.
+.TP
+.B translucent
+Translucent Proxy.
+This overlay can be used with a backend database such as
+.BR slapd-bdb (5)
+to create a "translucent proxy".
+Content of entries retrieved from a remote LDAP server can be partially
+overridden by the database.
+.TP
+.B unique
+Attribute Uniqueness.
+This overlay can be used with a backend database such as
+.BR slapd-bdb (5)
+to enforce the uniqueness of some or all attributes within a subtree.
.SH EXAMPLES
.LP
Here is a short example of a configuration file:
attributeoptions x-hidden lang-
access to attr=name;x-hidden by * =cs
+# Protect passwords. See \fBslapd.access\fP(5).
+access to attrs=userPassword by * auth
+# Read access to other attributes and entries.
+access to * by * read
+
database bdb
suffix "dc=our-domain,dc=com"
# The database directory MUST exist prior to
.BR ldap (3),
.BR slapd\-bdb (5),
.BR slapd\-dnssrv (5),
+.BR slapd\-hdb (5),
.BR slapd\-ldap (5),
.BR slapd\-ldbm (5),
+.BR slapd\-ldif (5),
.BR slapd\-meta (5),
.BR slapd\-monitor (5),
.BR slapd\-null (5),
.BR slapd\-relay (5),
.BR slapd\-shell (5),
.BR slapd\-sql (5),
-.BR slapd\-tcl (5),
.BR slapd.access (5),
.BR slapd.plugin (5),
.BR slapd.replog (5),
.BR slurpd (8).
Known overlays are documented in
+.BR slapo\-accesslog (5),
+.BR slapo\-auditlog (5),
+.BR slapo\-chain (5),
+.BR slapo\-dynlist (5),
.BR slapo\-lastmod (5),
.BR slapo\-pcache (5),
.BR slapo\-ppolicy (5),
.BR slapo\-refint (5),
+.BR slapo\-retcode (5),
.BR slapo\-rwm (5),
+.BR slapo\-syncprov (5),
+.BR slapo\-translucent (5),
.BR slapo\-unique (5).
.LP
"OpenLDAP Administrator's Guide" (http://www.OpenLDAP.org/doc/admin/)