Mercurial > hg > xemacs-beta
diff man/lispref/ldap.texi @ 442:abe6d1db359e r21-2-36
Import from CVS: tag r21-2-36
author | cvs |
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date | Mon, 13 Aug 2007 11:35:02 +0200 |
parents | 3ecd8885ac67 |
children | 576fb035e263 |
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--- a/man/lispref/ldap.texi Mon Aug 13 11:33:40 2007 +0200 +++ b/man/lispref/ldap.texi Mon Aug 13 11:35:02 2007 +0200 @@ -3,7 +3,7 @@ @c Copyright (C) 1998 Free Software Foundation, Inc. @c See the file lispref.texi for copying conditions. @setfilename ../../info/ldap.info -@node LDAP Support, Internationalization, ToolTalk Support, top +@node LDAP Support, PostgreSQL Support, ToolTalk Support, top @chapter LDAP Support @cindex LDAP @@ -25,7 +25,7 @@ successfully built and tested with @itemize @bullet -@item OpenLDAP 1.0.3 (@url{http://www.openldap.org/}) +@item OpenLDAP 1.2 (@url{http://www.openldap.org/}) @item University of Michigan's LDAP 3.3 (@url{http://www.umich.edu/~dirsvcs/ldap/}) @item LDAP SDK 1.0 from Netscape Corp. (@url{http://developer.netscape.com/}) @end itemize @@ -33,7 +33,7 @@ Other libraries conforming to RFC 1823 will probably work also but may require some minor tweaking at C level. -The standard XEmacs configure script autodetects an installed LDAP +The standard XEmacs configure script auto-detects an installed LDAP library provided the library itself and the corresponding header files can be found in the library and include paths. A successful detection will be signalled in the final output of the configure script. @@ -49,13 +49,18 @@ higher-level layer which provides more convenient primitives to effectively use LDAP. -As of XEmacs 21.0, only interfaces to basic LDAP search functions are -provided, broader support is planned in future versions. +The low-level API should be used directly for very specific purposes +(such as multiple operations on a connection) only. The higher-level +functions provide a more convenient way to access LDAP directories +hiding the subtleties of handling the connection, translating arguments +and ensuring compliance with LDAP internationalization rules and formats +(currently partly implemented only). @menu * LDAP Variables:: Lisp variables related to LDAP * The High-Level LDAP API:: High-level LDAP lisp functions * The Low-Level LDAP API:: Low-level LDAP lisp primitives +* LDAP Internationalization:: I18n variables and functions @end menu @@ -77,7 +82,7 @@ @defvar ldap-default-base Default base for LDAP searches. This is a string using the syntax of RFC 1779. -For instance, "o¬ME, cÿ" limits the search to the +For instance, "o=ACME, c=US" limits the search to the Acme organization in the United States. @end defvar @@ -92,7 +97,7 @@ @table @code @item binddn The distinguished name of the user to bind as. This may look like -@samp{cÿ, o¬me, cnÿnny Bugs}, see RFC 1779 for details. +@samp{cn=Babs Jensen,o=ACME,c=US}, see RFC 1779 for details. @item passwd The password to use for authentication. @item auth @@ -127,41 +132,99 @@ @end table @end defvar +@defvar ldap-verbose +If non-@code{nil}, LDAP operations will echo progress messages. Defaults to @code{nil}. +@end defvar @node The High-Level LDAP API, The Low-Level LDAP API, LDAP Variables, XEmacs LDAP API @comment node-name, next, previous, up @subsection The High-Level LDAP API -As of this writing the high-level Lisp LDAP API only provides for LDAP -searches. Further support is planned in the future. +The following functions provide the most convenient interface to perform +LDAP operations. All of them open a connection to a host, perform an +operation (add/search/modify/delete) on one or several entries and +cleanly close the connection thus insulating the user from all the +details of the low-level interface such as LDAP Lisp objects @pxref{The +Low-Level LDAP API}. -The @code{ldap-search} function provides the most convenient interface -to perform LDAP searches. It opens a connection to a host, performs the -query and cleanly closes the connection thus insulating the user from -all the details of the low-level interface such as LDAP Lisp objects -@pxref{The Low-Level LDAP API} +Note that @code{ldap-search} which used to be the name of the high-level +search function in XEmacs 21.1 is now obsolete. For consistency in the +naming as well as backward compatibility, that function now acts as a +wrapper that calls either @code{ldap-search-basic} (low-level search +function) or @code{ldap-search-entries} (high-level search function) +according to the actual parameters. A direct call to one of these two +functions is preferred since it is faster and unambiguous. -@defun ldap-search filter &optional host attributes attrsonly +@defun ldap-search-entries filter &optional host attributes attrsonly withdn Perform an LDAP search. @var{filter} is the search filter @pxref{Syntax of Search Filters} -@var{host} is the LDAP host on which to perform the search +@var{host} is the LDAP host on which to perform the search. @var{attributes} is the specific attributes to retrieve, @code{nil} means -retrieve all +retrieve all. @var{attrsonly} if non-@code{nil} retrieves the attributes only without their associated values. +If @var{withdn} is non-@code{nil} each entry in the result will be prepended with +its distinguished name DN. Additional search parameters can be specified through @code{ldap-host-parameters-alist}. +The function returns a list of matching entries. Each entry is itself +an alist of attribute/value pairs optionally preceded by the DN of the +entry according to the value of @var{withdn}. +@end defun + +@defun ldap-add-entries entries &optional host binddn passwd +Add entries to an LDAP directory. @var{entries} is a list of entry +specifications of the form @code{(DN (ATTR . VALUE) (ATTR . VALUE) ...)} +where @var{dn} the distinguished name of an entry to add, the following +are cons cells containing attribute/value string pairs. @var{host} is +the LDAP host, defaulting to `ldap-default-host' @var{binddn} is the DN +to bind as to the server @var{passwd} is the corresponding password. @end defun -@node The Low-Level LDAP API, , The High-Level LDAP API, XEmacs LDAP API +@defun ldap-modify-entries entry-mods &optional host binddn passwd +Modify entries of an LDAP directory. +@var{entry_mods} is a list of entry modifications of the form +@code{(DN MOD-SPEC1 MOD-SPEC2 ...)} where @var{dn} is the distinguished name of +the entry to modify, the following are modification specifications. +A modification specification is itself a list of the form +@code{(MOD-OP ATTR VALUE1 VALUE2 ...)} @var{mod-op} and @var{attr} are mandatory, +@var{values} are optional depending on @var{mod-op}. +@var{mod-op} is the type of modification, one of the symbols @code{add}, @code{delete} +or @code{replace}. @var{attr} is the LDAP attribute type to modify. +@var{host} is the LDAP host, defaulting to @code{ldap-default-host} +@var{binddn} is the DN to bind as to the server +@var{passwd} is the corresponding password" +@end defun + +@defun ldap-delete-entries dn &optional host binddn passwd +Delete an entry from an LDAP directory. +@var{dn} is the distinguished name of an entry to delete or +a list of those. +@var{host} is the LDAP host, defaulting to @code{ldap-default-host} +@var{binddn} is the DN to bind as to the server +@var{passwd} is the corresponding password. +@end defun + + +@node The Low-Level LDAP API, LDAP Internationalization, The High-Level LDAP API, XEmacs LDAP API @comment node-name, next, previous, up @subsection The Low-Level LDAP API +The low-level API should be used directly for very specific purposes +(such as multiple operations on a connection) only. The higher-level +functions provide a more convenient way to access LDAP directories +hiding the subtleties of handling the connection, translating arguments +and ensuring compliance with LDAP internationalization rules and formats +(currently partly implemented only). See @pxref{The High-Level LDAP API} + +Note that the former functions @code{ldap-*-internal} functions have been +renamed in XEmacs 21.2 + @menu * The LDAP Lisp Object:: * Opening and Closing a LDAP Connection:: -* Searching on a LDAP Server (Low-level):: +* Low-level Operations on a LDAP Server:: @end menu @node The LDAP Lisp Object, Opening and Closing a LDAP Connection, The Low-Level LDAP API, The Low-Level LDAP API @@ -184,7 +247,7 @@ @end defun -@node Opening and Closing a LDAP Connection, Searching on a LDAP Server (Low-level), The LDAP Lisp Object, The Low-Level LDAP API +@node Opening and Closing a LDAP Connection, Low-level Operations on a LDAP Server, The LDAP Lisp Object, The Low-Level LDAP API @comment node-name, next, previous, up @subsubsection Opening and Closing a LDAP Connection @@ -202,7 +265,7 @@ @code{krbv41} and @code{krbv42}. @item binddn The distinguished name of the user to bind as. This may look like -@samp{cÿ, o¬me, cnÿnny Bugs}, see RFC 1779 for details. +@samp{c=com, o=Acme, cn=Babs Jensen}, see RFC 1779 for details. @item passwd The password to use for authentication. @item deref @@ -232,18 +295,17 @@ @end defun -@node Searching on a LDAP Server (Low-level), , Opening and Closing a LDAP Connection, The Low-Level LDAP API +@node Low-level Operations on a LDAP Server, , Opening and Closing a LDAP Connection, The Low-Level LDAP API @comment node-name, next, previous, up -@subsubsection Searching on a LDAP Server (Low-level) +@subsubsection Low-level Operations on a LDAP Server -@code{ldap-search-internal} is the low-level primitive to perform a +@code{ldap-search-basic} is the low-level primitive to perform a search on a LDAP server. It works directly on an open LDAP connection thus requiring a preliminary call to @code{ldap-open}. Multiple searches can be made on the same connection, then the session must be closed with @code{ldap-close}. - -@defun ldap-search-internal ldap filter base scope attrs attrsonly +@defun ldap-search-basic ldap filter base scope attrs attrsonly Perform a search on an open connection @var{ldap} created with @code{ldap-open}. @var{filter} is a filter string for the search @pxref{Syntax of Search Filters} @var{base} is the distinguished name at which to start the search. @@ -255,12 +317,138 @@ for each matching entry. If @code{nil} all available attributes are returned. If @code{attrsonly} is non-@code{nil} then only the attributes are retrieved, not their associated values -The function returns a list of matching entries. Each entry being itself -an alist of attribute/values. +If @code{withdn} is non-@code{nil} then each entry in the result is prepended with +its distinguished name DN +If @code{verbose} is non-@code{nil} then progress messages are echoed +The function returns a list of matching entries. Each entry is itself +an alist of attribute/value pairs optionally preceded by the DN of the +entry according to the value of @code{withdn}. +@end defun + +@defun ldap-add ldap dn entry +Add @var{entry} to a LDAP directory which a connection @var{ldap} has +been opened to with @code{ldap-open}. +@var{dn} is the distinguished name of the entry to add. +@var{entry} is an entry specification, i.e., a list of cons cells +containing attribute/value string pairs. +@end defun + +@defun ldap-modify ldap dn mods +Modify an entry in an LDAP directory. +@var{ldap} is an LDAP connection object created with @code{ldap-open}. +@var{dn} is the distinguished name of the entry to modify. +@var{mods} is a list of modifications to apply. +A modification is a list of the form @code{(MOD-OP ATTR VALUE1 VALUE2 ...)} +@var{mod-op} and @var{attr} are mandatory, @var{values} are optional depending on @var{mod-op}. +@var{mod-op} is the type of modification, one of the symbols @code{add}, @code{delete} +or @code{replace}. @var{attr} is the LDAP attribute type to modify +@end defun + +@defun ldap-delete ldap dn +Delete an entry to an LDAP directory. +@var{ldap} is an LDAP connection object created with @code{ldap-open}. +@var{dn} is the distinguished name of the entry to delete @end defun +@node LDAP Internationalization, , The Low-Level LDAP API, XEmacs LDAP API +@comment node-name, next, previous, up +@subsection LDAP Internationalization + +The XEmacs LDAP API provides basic internationalization features based +on the LDAP v3 specification (essentially RFC2252 on "LDAP v3 Attribute +Syntax Definitions"). Unfortunately since there is currently no free +LDAP v3 server software, this part has not received much testing and +should be considered experimental. The framework is in place though. + +@defun ldap-decode-attribute attr +Decode the attribute/value pair @var{attr} according to LDAP rules. +The attribute name is looked up in @code{ldap-attribute-syntaxes-alist} +and the corresponding decoder is then retrieved from +@code{ldap-attribute-syntax-decoders}' and applied on the value(s). +@end defun + +@menu +* LDAP Internationalization Variables:: +* Encoder/Decoder Functions:: +@end menu + +@node LDAP Internationalization Variables, Encoder/Decoder Functions, LDAP Internationalization, LDAP Internationalization +@comment node-name, next, previous, up +@subsubsection LDAP Internationalization Variables + +@defvar ldap-ignore-attribute-codings +If non-@code{nil}, no encoding/decoding will be performed LDAP attribute values +@end defvar + +@defvar ldap-coding-system +Coding system of LDAP string values. +LDAP v3 specifies the coding system of strings to be UTF-8. +You need an XEmacs with Mule support for this. +@end defvar + +@defvar ldap-default-attribute-decoder +Decoder function to use for attributes whose syntax is unknown. Such a +function receives an encoded attribute value as a string and should +return the decoded value as a string +@end defvar + +@defvar ldap-attribute-syntax-encoders +A vector of functions used to encode LDAP attribute values. +The sequence of functions corresponds to the sequence of LDAP attribute syntax +object identifiers of the form 1.3.6.1.4.1.1466.1115.121.1.* as defined in +RFC2252 section 4.3.2. As of this writing, only a few encoder functions +are available. +@end defvar + +@defvar ldap-attribute-syntax-decoders +A vector of functions used to decode LDAP attribute values. +The sequence of functions corresponds to the sequence of LDAP attribute syntax +object identifiers of the form 1.3.6.1.4.1.1466.1115.121.1.* as defined in +RFC2252 section 4.3.2. As of this writing, only a few decoder functions +are available. +@end defvar + +@defvar ldap-attribute-syntaxes-alist +A map of LDAP attribute names to their type object id minor number. +This table is built from RFC2252 Section 5 and RFC2256 Section 5 +@end defvar + +@node Encoder/Decoder Functions, , LDAP Internationalization Variables, LDAP Internationalization +@comment node-name, next, previous, up +@subsubsection Encoder/Decoder Functions + +@defun ldap-encode-boolean bool +A function that encodes an elisp boolean @var{bool} into a LDAP +boolean string representation +@end defun + +@defun ldap-decode-boolean str +A function that decodes a LDAP boolean string representation +@var{str} into an elisp boolean +@end defun + +@defun ldap-decode-string str +Decode a string @var{str} according to `ldap-coding-system' +@end defun + +@defun ldap-encode-string str +Encode a string @var{str} according to `ldap-coding-system' +@end defun + +@defun ldap-decode-address str +Decode an address @var{str} according to `ldap-coding-system' and +replacing $ signs with newlines as specified by LDAP encoding rules for +addresses +@end defun + +@defun ldap-encode-address str +Encode an address @var{str} according to `ldap-coding-system' and +replacing newlines with $ signs as specified by LDAP encoding rules for +addresses +@end defun + @node Syntax of Search Filters, , XEmacs LDAP API, LDAP Support @@ -299,6 +487,3 @@ matches records of class @code{Person} containing a @code{mail} attribute and corresponding to people whose last name is @code{Smith} or whose first name is @code{John}. - - -