slapd.plugin - plugin configuration for slapd, the stand-alone LDAP
The slapd.conf(5) file contains configuration information for the
slapd(8) daemon. This configuration file is also used by the SLAPD
tools slapadd(8), slapcat(8), and slapindex(8).
The slapd.conf file consists of a series of global configuration
options that apply to slapd as a whole (including all backends),
followed by zero or more database backend definitions that contain
information specific to a backend instance.
The general format of slapd.conf is as follows:
# comment - these options apply to every database
<global configuration options>
# first database definition & configuration options
database <backend 1 type>
<configuration options specific to backend 1>
# subsequent database definitions & configuration options
If slapd is compiled with --enable-slapi, support for plugins according
to Netscape's Directory Server Plug-Ins. Version 4 of the API is
currently implemented, with some extensions from version 5.
Both global and database specific data may contain plugin information.
Plugins associated with a specific database are called before global
plugins. This manpage details the slapd(8) configuration statements
that affect the loading of SLAPI plugins.
Arguments that should be replaced by actual text are shown in brackets
The structure of the plugin directives is
plugin <type> <lib_path> <init_function> [<arguments>]
Load a plugin of the specified type for the current database.
The <type> can be one of preoperation, that is executed before
processing the operation for the specified database, postoperation,
that is executed after the operation for the specified database has
been processed, extendedop, that is used when executing an extended
operation, or object. The latter is used for miscellaneous types such
as ACL, computed attribute and search filter rewriter plugins.
The <libpath> argument specifies the path to the plugin loadable
object; if a relative path is given, the object is looked for according
to the underlying dynamic loading package (libtool's ltdl is used).
The <init_function> argument specifies what symbol must be called when
the plugin is first loaded. This function should register the
functions provided by the plugin for the desired operations. It should
be noted that it is this init function, not the plugin type specified
as the first argument, that determines when and for what operations the
plugin will be invoked. The optional <arguments> list is passed to the
Specify an alternative path for the plugin log file (default is
This statement sets the module load path for dynamically
loadable backends, as described in slapd.conf(5); however, since
both the dynamically loadable backends and the SLAPI plugins use
the same underlying library (libtool's ltdl) its value also
affects the plugin search path. In general the search path is
made of colon-separated paths; usually the user-defined path is
searched first; then the value of the LTDL_LIBRARY_PATH
environment variable, if defined, is used; finally, the system-
specific dynamic load path is attempted (e.g. on Linux the value
of the environment variable LD_LIBRARY_PATH). Please carefully
read the documentation of ltdl because its behavior is very
default slapd configuration file
default plugin log file
"OpenLDAP Administrator's Guide" (http://www.OpenLDAP.org/doc/admin/)
OpenLDAP Software is developed and maintained by The OpenLDAP Project
<http://www.openldap.org/>. OpenLDAP Software is derived from
University of Michigan LDAP 3.3 Release.