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.TH SLAPD.PLUGIN 5 "2009/12/20" "OpenLDAP 2.4.21"
.\" Copyright 2002-2009 The OpenLDAP Foundation All Rights Reserved.
.\" Copying restrictions apply.  See COPYRIGHT/LICENSE.
.SH NAME
slapd.plugin \- plugin configuration for slapd, the stand-alone LDAP daemon
.SH SYNOPSIS
/opt/lampp/etc/openldap/slapd.conf
.SH DESCRIPTION
The 
.BR slapd.conf (5)
file contains configuration information for the
.BR slapd (8)
daemon. This configuration file is also used by the SLAPD tools
.BR slapadd (8),
.BR slapcat (8),
and
.BR slapindex (8).
.LP
The
.B slapd.conf
file consists of a series of global configuration options that apply to
.B slapd
as a whole (including all backends), followed by zero or more database
backend definitions that contain information specific to a backend
instance.
.LP
The general format of
.B slapd.conf
is as follows:
.LP
.nf
    # 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
    ...
.fi
.LP
If slapd is compiled with \fI\-\-enable\-slapi\fP, support for plugins
according to \fINetscape's Directory Server Plug-Ins\fP.
Version 4 of the API is currently implemented, with some extensions
from version 5.
.LP
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
.BR slapd (8)
configuration statements that affect the loading of SLAPI \fIplugins\fP.
.LP
Arguments that should be replaced by actual text are shown in brackets <>.
.LP
The structure of the plugin directives is
.TP
.B plugin "<type> <lib_path> <init_function> [<arguments>]"
Load a plugin of the specified type for the current database.
.LP
The 
.BR <type>
can be one of
.BR preoperation ,
that is executed before processing the operation for the specified
database, 
.BR postoperation ,
that is executed after the operation for the specified database
has been processed,
.BR extendedop ,
that is used when executing an extended operation, or
.BR object .
The latter is used for miscellaneous types such as ACL, computed
attribute and search filter rewriter plugins.
.LP
The
.BR <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).
.LP
The 
.BR <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
.BR <arguments>
list is passed to the init function.
.TP
.B pluginlog <file>
Specify an alternative path for the plugin log file (default is
/opt/lampp/var/errors).
.TP
.B modulepath <pathspec>
This statement sets the module load path for dynamically loadable 
backends, as described in
.BR 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
\fILTDL_LIBRARY_PATH\fP 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 \fILD_LIBRARY_PATH\fP).
Please carefully read the documentation of ltdl because its behavior 
is very platform dependent.
.SH FILES
.TP
/opt/lampp/etc/openldap/slapd.conf
default slapd configuration file
.TP
/opt/lampp/var/errors
default plugin log file
.SH SEE ALSO
.BR slapd (8),
.LP
"OpenLDAP Administrator's Guide" (http://www.OpenLDAP.org/doc/admin/)
.SH ACKNOWLEDGEMENTS
.lf 1 ../Project
.\" Shared Project Acknowledgement Text
.B "OpenLDAP Software"
is developed and maintained by The OpenLDAP Project <http://www.openldap.org/>.
.B "OpenLDAP Software"
is derived from University of Michigan LDAP 3.3 Release.  
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