1 /* LDAP client interface for XEmacs.
2 Copyright (C) 1998 Free Software Foundation, Inc.
4 This file is part of XEmacs.
6 XEmacs is free software; you can redistribute it and/or modify it
7 under the terms of the GNU General Public License as published by the
8 Free Software Foundation; either version 2, or (at your option) any
11 XEmacs is distributed in the hope that it will be useful, but WITHOUT
12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 You should have received a copy of the GNU General Public License
17 along with XEmacs; see the file COPYING. If not, write to
18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
21 /* Synched up with: Not in FSF. */
23 /* Author: Oscar Figueiredo with lots of support from Hrvoje Niksic */
25 /* This file provides lisp primitives for access to an LDAP library
26 conforming to the API defined in RFC 1823.
27 It has been tested with:
28 - UMich LDAP 3.3 (http://www.umich.edu/~dirsvcs/ldap/)
29 - OpenLDAP 1.2 (http://www.openldap.org/)
30 - Netscape's LDAP SDK (http://developer.netscape.com/) */
43 static Fixnum ldap_default_port;
44 static Lisp_Object Vldap_default_base;
46 /* Needed by the lrecord definition */
49 /* ldap-open plist keywords */
50 static Lisp_Object Qport, Qauth, Qbinddn, Qpasswd, Qderef, Qtimelimit, Qsizelimit;
51 /* Search scope limits */
52 static Lisp_Object Qbase, Qonelevel, Qsubtree;
53 /* Authentication methods */
54 static Lisp_Object Qkrbv41, Qkrbv42;
56 static Lisp_Object Qnever, Qalways, Qfind;
57 /* Modification types (Qdelete is defined in general.c) */
58 static Lisp_Object Qadd, Qreplace;
61 /************************************************************************/
62 /* Utility Functions */
63 /************************************************************************/
66 signal_ldap_error (LDAP *ld, LDAPMessage *res, int ldap_err)
70 #if defined HAVE_LDAP_PARSE_RESULT
72 ldap_err = ldap_parse_result (ld, res,
74 NULL, NULL, NULL, NULL, 0);
75 if (ldap_err == LDAP_SUCCESS)
77 #elif defined HAVE_LDAP_GET_LDERRNO
78 ldap_err = ldap_get_lderrno (ld, NULL, NULL);
79 #elif defined HAVE_LDAP_RESULT2ERROR
80 ldap_err = ldap_result2error (ld, res, 0);
82 ldap_err = ld->ld_errno;
85 signal_simple_error ("LDAP error",
86 build_string (ldap_err2string (ldap_err)));
90 /************************************************************************/
91 /* ldap lrecord basic functions */
92 /************************************************************************/
95 make_ldap (Lisp_LDAP *ldap)
97 Lisp_Object lisp_ldap;
98 XSETLDAP (lisp_ldap, ldap);
103 mark_ldap (Lisp_Object obj)
105 return XLDAP (obj)->host;
109 print_ldap (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
113 Lisp_LDAP *ldap = XLDAP (obj);
116 error ("printing unreadable object #<ldap %s>",
117 XSTRING_DATA (ldap->host));
119 write_c_string ("#<ldap ", printcharfun);
120 print_internal (ldap->host, printcharfun, 1);
122 write_c_string ("(dead) ",printcharfun);
123 sprintf (buf, " 0x%lx>", (long)ldap);
124 write_c_string (buf, printcharfun);
130 Lisp_LDAP *ldap = alloc_lcrecord_type (Lisp_LDAP, &lrecord_ldap);
138 finalize_ldap (void *header, int for_disksave)
140 Lisp_LDAP *ldap = (Lisp_LDAP *) header;
143 signal_simple_error ("Can't dump an emacs containing LDAP objects",
147 ldap_unbind (ldap->ld);
151 DEFINE_LRECORD_IMPLEMENTATION ("ldap", ldap,
152 mark_ldap, print_ldap, finalize_ldap,
153 NULL, NULL, 0, Lisp_LDAP);
158 /************************************************************************/
159 /* Basic ldap accessors */
160 /************************************************************************/
162 DEFUN ("ldapp", Fldapp, 1, 1, 0, /*
163 Return t if OBJECT is a LDAP connection.
167 return LDAPP (object) ? Qt : Qnil;
170 DEFUN ("ldap-host", Fldap_host, 1, 1, 0, /*
171 Return the server host of the connection LDAP, as a string.
176 return (XLDAP (ldap))->host;
179 DEFUN ("ldap-live-p", Fldap_status, 1, 1, 0, /*
180 Return t if LDAP is an active LDAP connection.
185 return (XLDAP (ldap))->ld ? Qt : Qnil;
188 /************************************************************************/
189 /* Opening/Closing a LDAP connection */
190 /************************************************************************/
193 DEFUN ("ldap-open", Fldap_open, 1, 2, 0, /*
194 Open a LDAP connection to HOST.
195 PLIST is a plist containing additional parameters for the connection.
196 Valid keys in that list are:
197 `port' the TCP port to use for the connection if different from
199 `auth' is the authentication method to use, possible values depend on
200 the LDAP library XEmacs was compiled with: `simple', `krbv41' and `krbv42'.
201 `binddn' is the distinguished name of the user to bind as (in RFC 1779 syntax).
202 `passwd' is the password to use for simple authentication.
203 `deref' is one of the symbols `never', `always', `search' or `find'.
204 `timelimit' is the timeout limit for the connection in seconds.
205 `sizelimit' is the maximum number of matches to return.
209 /* This function can GC */
213 int ldap_auth = LDAP_AUTH_SIMPLE;
214 char *ldap_binddn = NULL;
215 char *ldap_passwd = NULL;
216 int ldap_deref = LDAP_DEREF_NEVER;
217 int ldap_timelimit = 0;
218 int ldap_sizelimit = 0;
224 EXTERNAL_PROPERTY_LIST_LOOP_3 (keyword, value, plist)
227 if (EQ (keyword, Qport))
230 ldap_port = XINT (value);
232 /* Authentication method */
233 if (EQ (keyword, Qauth))
235 if (EQ (value, Qsimple))
236 ldap_auth = LDAP_AUTH_SIMPLE;
237 #ifdef LDAP_AUTH_KRBV41
238 else if (EQ (value, Qkrbv41))
239 ldap_auth = LDAP_AUTH_KRBV41;
241 #ifdef LDAP_AUTH_KRBV42
242 else if (EQ (value, Qkrbv42))
243 ldap_auth = LDAP_AUTH_KRBV42;
246 signal_simple_error ("Invalid authentication method", value);
249 else if (EQ (keyword, Qbinddn))
251 CHECK_STRING (value);
252 LISP_STRING_TO_EXTERNAL (value, ldap_binddn, Qnative);
255 else if (EQ (keyword, Qpasswd))
257 CHECK_STRING (value);
258 LISP_STRING_TO_EXTERNAL (value, ldap_passwd, Qnative);
261 else if (EQ (keyword, Qderef))
263 if (EQ (value, Qnever))
264 ldap_deref = LDAP_DEREF_NEVER;
265 else if (EQ (value, Qsearch))
266 ldap_deref = LDAP_DEREF_SEARCHING;
267 else if (EQ (value, Qfind))
268 ldap_deref = LDAP_DEREF_FINDING;
269 else if (EQ (value, Qalways))
270 ldap_deref = LDAP_DEREF_ALWAYS;
272 signal_simple_error ("Invalid deref value", value);
275 else if (EQ (keyword, Qtimelimit))
278 ldap_timelimit = XINT (value);
281 else if (EQ (keyword, Qsizelimit))
284 ldap_sizelimit = XINT (value);
291 ldap_port = ldap_default_port;
294 /* Connect to the server and bind */
295 slow_down_interrupts ();
296 ld = ldap_open ((char *) XSTRING_DATA (host), ldap_port);
297 speed_up_interrupts ();
300 signal_simple_error_2 ("Failed connecting to host",
302 lisp_strerror (errno));
305 #ifdef HAVE_LDAP_SET_OPTION
306 if ((err = ldap_set_option (ld, LDAP_OPT_DEREF,
307 (void *)&ldap_deref)) != LDAP_SUCCESS)
308 signal_ldap_error (ld, NULL, err);
309 if ((err = ldap_set_option (ld, LDAP_OPT_TIMELIMIT,
310 (void *)&ldap_timelimit)) != LDAP_SUCCESS)
311 signal_ldap_error (ld, NULL, err);
312 if ((err = ldap_set_option (ld, LDAP_OPT_SIZELIMIT,
313 (void *)&ldap_sizelimit)) != LDAP_SUCCESS)
314 signal_ldap_error (ld, NULL, err);
315 if ((err = ldap_set_option (ld, LDAP_OPT_REFERRALS,
316 LDAP_OPT_ON)) != LDAP_SUCCESS)
317 signal_ldap_error (ld, NULL, err);
318 if ((err = ldap_set_option (ld, LDAP_OPT_RESTART,
319 LDAP_OPT_ON)) != LDAP_SUCCESS)
320 signal_ldap_error (ld, NULL, err);
321 #else /* not HAVE_LDAP_SET_OPTION */
322 ld->ld_deref = ldap_deref;
323 ld->ld_timelimit = ldap_timelimit;
324 ld->ld_sizelimit = ldap_sizelimit;
325 #ifdef LDAP_REFERRALS
326 ld->ld_options = LDAP_OPT_REFERRALS;
327 #else /* not LDAP_REFERRALS */
329 #endif /* not LDAP_REFERRALS */
330 /* XEmacs uses interrupts (SIGIO,SIGALRM), LDAP calls need to ignore them */
331 ld->ld_options |= LDAP_OPT_RESTART;
332 #endif /* not HAVE_LDAP_SET_OPTION */
334 err = ldap_bind_s (ld, ldap_binddn, ldap_passwd, ldap_auth);
335 if (err != LDAP_SUCCESS)
336 signal_simple_error ("Failed binding to the server",
337 build_string (ldap_err2string (err)));
339 ldap = allocate_ldap ();
343 return make_ldap (ldap);
348 DEFUN ("ldap-close", Fldap_close, 1, 1, 0, /*
349 Close an LDAP connection.
354 CHECK_LIVE_LDAP (ldap);
355 lldap = XLDAP (ldap);
356 ldap_unbind (lldap->ld);
363 /************************************************************************/
364 /* Working on a LDAP connection */
365 /************************************************************************/
366 struct ldap_unwind_struct
369 struct berval **vals;
373 ldap_search_unwind (Lisp_Object unwind_obj)
375 struct ldap_unwind_struct *unwind =
376 (struct ldap_unwind_struct *) get_opaque_ptr (unwind_obj);
378 ldap_msgfree (unwind->res);
380 ldap_value_free_len (unwind->vals);
384 /* The following function is called `ldap-search-basic' instead of */
385 /* plain `ldap-search' to maintain compatibility with the XEmacs 21.1 */
386 /* API where `ldap-search' was the name of the high-level search */
389 DEFUN ("ldap-search-basic", Fldap_search_basic, 2, 8, 0, /*
390 Perform a search on an open LDAP connection.
391 LDAP is an LDAP connection object created with `ldap-open'.
392 FILTER is a filter string for the search as described in RFC 1558.
393 BASE is the distinguished name at which to start the search.
394 SCOPE is one of the symbols `base', `onelevel' or `subtree' indicating
395 the scope of the search.
396 ATTRS is a list of strings indicating which attributes to retrieve
397 for each matching entry. If nil return all available attributes.
398 If ATTRSONLY is non-nil then only the attributes are retrieved, not
399 the associated values.
400 If WITHDN is non-nil each entry in the result will be prepended with
401 its distinguished name DN.
402 If VERBOSE is non-nil progress messages will be echoed.
403 The function returns a list of matching entries. Each entry is itself
404 an alist of attribute/value pairs optionally preceded by the DN of the
405 entry according to the value of WITHDN.
407 (ldap, filter, base, scope, attrs, attrsonly, withdn, verbose))
409 /* This function can GC */
418 struct ldap_unwind_struct unwind;
420 int ldap_scope = LDAP_SCOPE_SUBTREE;
421 char **ldap_attributes = NULL;
423 int speccount = specpdl_depth ();
425 Lisp_Object list = Qnil;
426 Lisp_Object entry = Qnil;
427 Lisp_Object result = Qnil;
428 struct gcpro gcpro1, gcpro2, gcpro3;
430 GCPRO3 (list, entry, result);
435 /* Do all the parameter checking */
436 CHECK_LIVE_LDAP (ldap);
437 ld = XLDAP (ldap)->ld;
440 CHECK_STRING (filter);
445 base = Vldap_default_base;
455 if (EQ (scope, Qbase))
456 ldap_scope = LDAP_SCOPE_BASE;
457 else if (EQ (scope, Qonelevel))
458 ldap_scope = LDAP_SCOPE_ONELEVEL;
459 else if (EQ (scope, Qsubtree))
460 ldap_scope = LDAP_SCOPE_SUBTREE;
462 signal_simple_error ("Invalid scope", scope);
465 /* Attributes to search */
469 ldap_attributes = alloca_array (char *, 1 + XINT (Flength (attrs)));
472 EXTERNAL_LIST_LOOP (attrs, attrs)
474 Lisp_Object current = XCAR (attrs);
475 CHECK_STRING (current);
476 LISP_STRING_TO_EXTERNAL (current, ldap_attributes[i], Qnative);
479 ldap_attributes[i] = NULL;
482 /* Attributes only ? */
483 CHECK_SYMBOL (attrsonly);
485 /* Perform the search */
487 NILP (base) ? (char *) "" : (char *) XSTRING_DATA (base),
489 NILP (filter) ? (char *) "" : (char *) XSTRING_DATA (filter),
491 NILP (attrsonly) ? 0 : 1)
494 signal_ldap_error (ld, NULL, 0);
497 /* Ensure we don't exit without cleaning up */
498 record_unwind_protect (ldap_search_unwind,
499 make_opaque_ptr (&unwind));
501 /* Build the results list */
504 rc = ldap_result (ld, LDAP_RES_ANY, 0, NULL, &unwind.res);
506 while (rc == LDAP_RES_SEARCH_ENTRY)
510 e = ldap_first_entry (ld, unwind.res);
511 /* #### This call to message() is pretty fascist, because it
512 destroys the current echo area contents, even when invoked
513 from Lisp. It should use echo_area_message() instead, and
514 restore the old echo area contents later. */
515 if (! NILP (verbose))
516 message ("Parsing ldap results... %d", matches);
518 /* Get the DN if required */
521 dn = ldap_get_dn (ld, e);
523 signal_ldap_error (ld, e, 0);
524 entry = Fcons (build_ext_string (dn, Qnative), Qnil);
526 for (a= ldap_first_attribute (ld, e, &ptr);
528 a = ldap_next_attribute (ld, e, ptr) )
530 list = Fcons (build_ext_string (a, Qnative), Qnil);
531 unwind.vals = ldap_get_values_len (ld, e, a);
532 if (unwind.vals != NULL)
534 for (i = 0; unwind.vals[i] != NULL; i++)
536 list = Fcons (make_ext_string ((Extbyte *) unwind.vals[i]->bv_val,
537 unwind.vals[i]->bv_len,
542 entry = Fcons (Fnreverse (list),
544 ldap_value_free_len (unwind.vals);
547 result = Fcons (Fnreverse (entry),
549 ldap_msgfree (unwind.res);
552 rc = ldap_result (ld, LDAP_RES_ANY, 0, NULL, &(unwind.res));
555 #if defined HAVE_LDAP_PARSE_RESULT
557 int rc2 = ldap_parse_result (ld, unwind.res,
559 NULL, NULL, NULL, NULL, 0);
560 if (rc2 != LDAP_SUCCESS)
565 signal_ldap_error (ld, NULL, LDAP_TIMELIMIT_EXCEEDED);
568 signal_ldap_error (ld, unwind.res, (unwind.res==NULL) ? ld->ld_errno : 0);
570 #if defined HAVE_LDAP_RESULT2ERROR
571 rc = ldap_result2error (ld, unwind.res, 0);
575 if (rc != LDAP_SUCCESS)
576 signal_ldap_error (ld, NULL, rc);
578 ldap_msgfree (unwind.res);
579 unwind.res = (LDAPMessage *)NULL;
581 /* #### See above for calling message(). */
582 if (! NILP (verbose))
583 message ("Parsing ldap results... done");
585 unbind_to (speccount, Qnil);
587 return Fnreverse (result);
590 DEFUN ("ldap-add", Fldap_add, 3, 3, 0, /*
591 Add an entry to an LDAP directory.
592 LDAP is an LDAP connection object created with `ldap-open'.
593 DN is the distinguished name of the entry to add.
594 ENTRY is an entry specification, i.e., a list of cons cells
595 containing attribute/value string pairs.
600 LDAPMod *ldap_mods, **ldap_mods_ptrs;
601 struct berval *bervals;
606 Lisp_Object current = Qnil;
607 Lisp_Object values = Qnil;
608 struct gcpro gcpro1, gcpro2;
610 GCPRO2 (current, values);
612 /* Do all the parameter checking */
613 CHECK_LIVE_LDAP (ldap);
614 ld = XLDAP (ldap)->ld;
619 /* Check the entry */
622 signal_simple_error ("Cannot add void entry", entry);
624 /* Build the ldap_mods array */
625 len = XINT (Flength (entry));
626 ldap_mods = alloca_array (LDAPMod, len);
627 ldap_mods_ptrs = alloca_array (LDAPMod *, 1 + len);
629 EXTERNAL_LIST_LOOP (entry, entry)
631 current = XCAR (entry);
632 CHECK_CONS (current);
633 CHECK_STRING (XCAR (current));
634 ldap_mods_ptrs[i] = &(ldap_mods[i]);
635 LISP_STRING_TO_EXTERNAL (XCAR (current), ldap_mods[i].mod_type, Qnative);
636 ldap_mods[i].mod_op = LDAP_MOD_ADD | LDAP_MOD_BVALUES;
637 values = XCDR (current);
640 len = XINT (Flength (values));
641 bervals = alloca_array (struct berval, len);
642 ldap_mods[i].mod_vals.modv_bvals =
643 alloca_array (struct berval *, 1 + len);
645 EXTERNAL_LIST_LOOP (values, values)
647 current = XCAR (values);
648 CHECK_STRING (current);
649 ldap_mods[i].mod_vals.modv_bvals[j] = &(bervals[j]);
650 TO_EXTERNAL_FORMAT (LISP_STRING, current,
651 ALLOCA, (bervals[j].bv_val,
656 ldap_mods[i].mod_vals.modv_bvals[j] = NULL;
660 CHECK_STRING (values);
661 bervals = alloca_array (struct berval, 1);
662 ldap_mods[i].mod_vals.modv_bvals = alloca_array (struct berval *, 2);
663 ldap_mods[i].mod_vals.modv_bvals[0] = &(bervals[0]);
664 TO_EXTERNAL_FORMAT (LISP_STRING, values,
665 ALLOCA, (bervals[0].bv_val,
668 ldap_mods[i].mod_vals.modv_bvals[1] = NULL;
672 ldap_mods_ptrs[i] = NULL;
673 rc = ldap_add_s (ld, (char *) XSTRING_DATA (dn), ldap_mods_ptrs);
674 if (rc != LDAP_SUCCESS)
675 signal_ldap_error (ld, NULL, rc);
681 DEFUN ("ldap-modify", Fldap_modify, 3, 3, 0, /*
682 Add an entry to an LDAP directory.
683 LDAP is an LDAP connection object created with `ldap-open'.
684 DN is the distinguished name of the entry to modify.
685 MODS is a list of modifications to apply.
686 A modification is a list of the form (MOD-OP ATTR VALUE1 VALUE2 ...)
687 MOD-OP and ATTR are mandatory, VALUEs are optional depending on MOD-OP.
688 MOD-OP is the type of modification, one of the symbols `add', `delete'
689 or `replace'. ATTR is the LDAP attribute type to modify.
694 LDAPMod *ldap_mods, **ldap_mods_ptrs;
695 struct berval *bervals;
700 Lisp_Object current = Qnil;
701 Lisp_Object values = Qnil;
702 struct gcpro gcpro1, gcpro2;
704 /* Do all the parameter checking */
705 CHECK_LIVE_LDAP (ldap);
706 ld = XLDAP (ldap)->ld;
711 /* Check the entry */
716 /* Build the ldap_mods array */
717 len = XINT (Flength (mods));
718 ldap_mods = alloca_array (LDAPMod, len);
719 ldap_mods_ptrs = alloca_array (LDAPMod *, 1 + len);
722 GCPRO2 (current, values);
723 EXTERNAL_LIST_LOOP (mods, mods)
725 current = XCAR (mods);
726 CHECK_CONS (current);
727 CHECK_SYMBOL (XCAR (current));
728 mod_op = XCAR (current);
729 ldap_mods_ptrs[i] = &(ldap_mods[i]);
730 ldap_mods[i].mod_op = LDAP_MOD_BVALUES;
731 if (EQ (mod_op, Qadd))
732 ldap_mods[i].mod_op |= LDAP_MOD_ADD;
733 else if (EQ (mod_op, Qdelete))
734 ldap_mods[i].mod_op |= LDAP_MOD_DELETE;
735 else if (EQ (mod_op, Qreplace))
736 ldap_mods[i].mod_op |= LDAP_MOD_REPLACE;
738 signal_simple_error ("Invalid LDAP modification type", mod_op);
739 current = XCDR (current);
740 CHECK_STRING (XCAR (current));
741 LISP_STRING_TO_EXTERNAL (XCAR (current), ldap_mods[i].mod_type, Qnative);
742 values = XCDR (current);
743 len = XINT (Flength (values));
744 bervals = alloca_array (struct berval, len);
745 ldap_mods[i].mod_vals.modv_bvals =
746 alloca_array (struct berval *, 1 + len);
748 EXTERNAL_LIST_LOOP (values, values)
750 current = XCAR (values);
751 CHECK_STRING (current);
752 ldap_mods[i].mod_vals.modv_bvals[j] = &(bervals[j]);
753 TO_EXTERNAL_FORMAT (LISP_STRING, current,
754 ALLOCA, (bervals[j].bv_val,
759 ldap_mods[i].mod_vals.modv_bvals[j] = NULL;
762 ldap_mods_ptrs[i] = NULL;
763 rc = ldap_modify_s (ld, (char *) XSTRING_DATA (dn), ldap_mods_ptrs);
764 if (rc != LDAP_SUCCESS)
765 signal_ldap_error (ld, NULL, rc);
772 DEFUN ("ldap-delete", Fldap_delete, 2, 2, 0, /*
773 Delete an entry to an LDAP directory.
774 LDAP is an LDAP connection object created with `ldap-open'.
775 DN is the distinguished name of the entry to delete.
782 /* Check parameters */
783 CHECK_LIVE_LDAP (ldap);
784 ld = XLDAP (ldap)->ld;
787 rc = ldap_delete_s (ld, (char *) XSTRING_DATA (dn));
788 if (rc != LDAP_SUCCESS)
789 signal_ldap_error (ld, NULL, rc);
797 INIT_LRECORD_IMPLEMENTATION (ldap);
799 defsymbol (&Qldapp, "ldapp");
800 defsymbol (&Qport, "port");
801 defsymbol (&Qauth, "auth");
802 defsymbol (&Qbinddn, "binddn");
803 defsymbol (&Qpasswd, "passwd");
804 defsymbol (&Qderef, "deref");
805 defsymbol (&Qtimelimit, "timelimit");
806 defsymbol (&Qsizelimit, "sizelimit");
807 defsymbol (&Qbase, "base");
808 defsymbol (&Qonelevel, "onelevel");
809 defsymbol (&Qsubtree, "subtree");
810 defsymbol (&Qkrbv41, "krbv41");
811 defsymbol (&Qkrbv42, "krbv42");
812 defsymbol (&Qnever, "never");
813 defsymbol (&Qalways, "always");
814 defsymbol (&Qfind, "find");
815 defsymbol (&Qadd, "add");
816 defsymbol (&Qreplace, "replace");
819 DEFSUBR (Fldap_host);
820 DEFSUBR (Fldap_status);
821 DEFSUBR (Fldap_open);
822 DEFSUBR (Fldap_close);
823 DEFSUBR (Fldap_search_basic);
825 DEFSUBR (Fldap_modify);
826 DEFSUBR (Fldap_delete);
833 ldap_default_port = LDAP_PORT;
834 Vldap_default_base = Qnil;
836 DEFVAR_INT ("ldap-default-port", &ldap_default_port /*
837 Default TCP port for LDAP connections.
838 Initialized from the LDAP library. Default value is 389.
841 DEFVAR_LISP ("ldap-default-base", &Vldap_default_base /*
842 Default base for LDAP searches.
843 This is a string using the syntax of RFC 1779.
844 For instance, "o=ACME, c=US" limits the search to the
845 Acme organization in the United States.