CVE-2016-2110: auth/ntlmssp: call ntlmssp_sign_init if we provide GENSEC_FEATURE_SIGN
[Samba.git] / source4 / ldap_server / ldap_backend.c
blob6a8a0cf5494ae9b1cac8555ff6e90fd62d8a3ad7
1 /*
2 Unix SMB/CIFS implementation.
3 LDAP server
4 Copyright (C) Stefan Metzmacher 2004
5 Copyright (C) Matthias Dieter Wallnöfer 2009
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>.
21 #include "includes.h"
22 #include "ldap_server/ldap_server.h"
23 #include "../lib/util/dlinklist.h"
24 #include "auth/credentials/credentials.h"
25 #include "auth/gensec/gensec.h"
26 #include "auth/gensec/gensec_internal.h" /* TODO: remove this */
27 #include "param/param.h"
28 #include "smbd/service_stream.h"
29 #include "dsdb/samdb/samdb.h"
30 #include <ldb_errors.h>
31 #include <ldb_module.h>
32 #include "ldb_wrap.h"
34 static int map_ldb_error(TALLOC_CTX *mem_ctx, int ldb_err,
35 const char *add_err_string, const char **errstring)
37 WERROR err;
39 /* Certain LDB modules need to return very special WERROR codes. Proof
40 * for them here and if they exist skip the rest of the mapping. */
41 if (add_err_string != NULL) {
42 char *endptr;
43 strtol(add_err_string, &endptr, 16);
44 if (endptr != add_err_string) {
45 *errstring = add_err_string;
46 return ldb_err;
50 /* Otherwise we calculate here a generic, but appropriate WERROR. */
52 switch (ldb_err) {
53 case LDB_SUCCESS:
54 err = WERR_OK;
55 break;
56 case LDB_ERR_OPERATIONS_ERROR:
57 err = WERR_DS_OPERATIONS_ERROR;
58 break;
59 case LDB_ERR_PROTOCOL_ERROR:
60 err = WERR_DS_PROTOCOL_ERROR;
61 break;
62 case LDB_ERR_TIME_LIMIT_EXCEEDED:
63 err = WERR_DS_TIMELIMIT_EXCEEDED;
64 break;
65 case LDB_ERR_SIZE_LIMIT_EXCEEDED:
66 err = WERR_DS_SIZELIMIT_EXCEEDED;
67 break;
68 case LDB_ERR_COMPARE_FALSE:
69 err = WERR_DS_COMPARE_FALSE;
70 break;
71 case LDB_ERR_COMPARE_TRUE:
72 err = WERR_DS_COMPARE_TRUE;
73 break;
74 case LDB_ERR_AUTH_METHOD_NOT_SUPPORTED:
75 err = WERR_DS_AUTH_METHOD_NOT_SUPPORTED;
76 break;
77 case LDB_ERR_STRONG_AUTH_REQUIRED:
78 err = WERR_DS_STRONG_AUTH_REQUIRED;
79 break;
80 case LDB_ERR_REFERRAL:
81 err = WERR_DS_REFERRAL;
82 break;
83 case LDB_ERR_ADMIN_LIMIT_EXCEEDED:
84 err = WERR_DS_ADMIN_LIMIT_EXCEEDED;
85 break;
86 case LDB_ERR_UNSUPPORTED_CRITICAL_EXTENSION:
87 err = WERR_DS_UNAVAILABLE_CRIT_EXTENSION;
88 break;
89 case LDB_ERR_CONFIDENTIALITY_REQUIRED:
90 err = WERR_DS_CONFIDENTIALITY_REQUIRED;
91 break;
92 case LDB_ERR_SASL_BIND_IN_PROGRESS:
93 err = WERR_DS_BUSY;
94 break;
95 case LDB_ERR_NO_SUCH_ATTRIBUTE:
96 err = WERR_DS_NO_ATTRIBUTE_OR_VALUE;
97 break;
98 case LDB_ERR_UNDEFINED_ATTRIBUTE_TYPE:
99 err = WERR_DS_ATTRIBUTE_TYPE_UNDEFINED;
100 break;
101 case LDB_ERR_INAPPROPRIATE_MATCHING:
102 err = WERR_DS_INAPPROPRIATE_MATCHING;
103 break;
104 case LDB_ERR_CONSTRAINT_VIOLATION:
105 err = WERR_DS_CONSTRAINT_VIOLATION;
106 break;
107 case LDB_ERR_ATTRIBUTE_OR_VALUE_EXISTS:
108 err = WERR_DS_ATTRIBUTE_OR_VALUE_EXISTS;
109 break;
110 case LDB_ERR_INVALID_ATTRIBUTE_SYNTAX:
111 err = WERR_DS_INVALID_ATTRIBUTE_SYNTAX;
112 break;
113 case LDB_ERR_NO_SUCH_OBJECT:
114 err = WERR_DS_NO_SUCH_OBJECT;
115 break;
116 case LDB_ERR_ALIAS_PROBLEM:
117 err = WERR_DS_ALIAS_PROBLEM;
118 break;
119 case LDB_ERR_INVALID_DN_SYNTAX:
120 err = WERR_DS_INVALID_DN_SYNTAX;
121 break;
122 case LDB_ERR_ALIAS_DEREFERENCING_PROBLEM:
123 err = WERR_DS_ALIAS_DEREF_PROBLEM;
124 break;
125 case LDB_ERR_INAPPROPRIATE_AUTHENTICATION:
126 err = WERR_DS_INAPPROPRIATE_AUTH;
127 break;
128 case LDB_ERR_INVALID_CREDENTIALS:
129 err = WERR_ACCESS_DENIED;
130 break;
131 case LDB_ERR_INSUFFICIENT_ACCESS_RIGHTS:
132 err = WERR_DS_INSUFF_ACCESS_RIGHTS;
133 break;
134 case LDB_ERR_BUSY:
135 err = WERR_DS_BUSY;
136 break;
137 case LDB_ERR_UNAVAILABLE:
138 err = WERR_DS_UNAVAILABLE;
139 break;
140 case LDB_ERR_UNWILLING_TO_PERFORM:
141 err = WERR_DS_UNWILLING_TO_PERFORM;
142 break;
143 case LDB_ERR_LOOP_DETECT:
144 err = WERR_DS_LOOP_DETECT;
145 break;
146 case LDB_ERR_NAMING_VIOLATION:
147 err = WERR_DS_NAMING_VIOLATION;
148 break;
149 case LDB_ERR_OBJECT_CLASS_VIOLATION:
150 err = WERR_DS_OBJ_CLASS_VIOLATION;
151 break;
152 case LDB_ERR_NOT_ALLOWED_ON_NON_LEAF:
153 err = WERR_DS_CANT_ON_NON_LEAF;
154 break;
155 case LDB_ERR_NOT_ALLOWED_ON_RDN:
156 err = WERR_DS_CANT_ON_RDN;
157 break;
158 case LDB_ERR_ENTRY_ALREADY_EXISTS:
159 err = WERR_DS_OBJ_STRING_NAME_EXISTS;
160 break;
161 case LDB_ERR_OBJECT_CLASS_MODS_PROHIBITED:
162 err = WERR_DS_CANT_MOD_OBJ_CLASS;
163 break;
164 case LDB_ERR_AFFECTS_MULTIPLE_DSAS:
165 err = WERR_DS_AFFECTS_MULTIPLE_DSAS;
166 break;
167 default:
168 err = WERR_DS_GENERIC_ERROR;
169 break;
172 *errstring = talloc_asprintf(mem_ctx, "%08X: %s", W_ERROR_V(err),
173 add_err_string != NULL ? add_err_string : ldb_strerror(ldb_err));
175 /* result is 1:1 for now */
176 return ldb_err;
180 connect to the sam database
182 NTSTATUS ldapsrv_backend_Init(struct ldapsrv_connection *conn)
184 conn->ldb = samdb_connect(conn,
185 conn->connection->event.ctx,
186 conn->lp_ctx,
187 conn->session_info,
188 conn->global_catalog ? LDB_FLG_RDONLY : 0);
189 if (conn->ldb == NULL) {
190 return NT_STATUS_INTERNAL_DB_CORRUPTION;
193 if (conn->server_credentials) {
194 char **sasl_mechs = NULL;
195 const struct gensec_security_ops * const *backends = gensec_security_all();
196 const struct gensec_security_ops **ops
197 = gensec_use_kerberos_mechs(conn, backends, conn->server_credentials);
198 unsigned int i, j = 0;
199 for (i = 0; ops && ops[i]; i++) {
200 if (!lpcfg_parm_bool(conn->lp_ctx, NULL, "gensec", ops[i]->name, ops[i]->enabled))
201 continue;
203 if (ops[i]->sasl_name && ops[i]->server_start) {
204 char *sasl_name = talloc_strdup(conn, ops[i]->sasl_name);
206 if (!sasl_name) {
207 return NT_STATUS_NO_MEMORY;
209 sasl_mechs = talloc_realloc(conn, sasl_mechs, char *, j + 2);
210 if (!sasl_mechs) {
211 return NT_STATUS_NO_MEMORY;
213 sasl_mechs[j] = sasl_name;
214 talloc_steal(sasl_mechs, sasl_name);
215 sasl_mechs[j+1] = NULL;
216 j++;
219 talloc_unlink(conn, ops);
221 /* ldb can have a different lifetime to conn, so we
222 need to ensure that sasl_mechs lives as long as the
223 ldb does */
224 talloc_steal(conn->ldb, sasl_mechs);
226 ldb_set_opaque(conn->ldb, "supportedSASLMechanisms", sasl_mechs);
229 ldb_set_opaque(conn->ldb, "remoteAddress",
230 conn->connection->remote_address);
232 return NT_STATUS_OK;
235 struct ldapsrv_reply *ldapsrv_init_reply(struct ldapsrv_call *call, uint8_t type)
237 struct ldapsrv_reply *reply;
239 reply = talloc(call, struct ldapsrv_reply);
240 if (!reply) {
241 return NULL;
243 reply->msg = talloc(reply, struct ldap_message);
244 if (reply->msg == NULL) {
245 talloc_free(reply);
246 return NULL;
249 reply->msg->messageid = call->request->messageid;
250 reply->msg->type = type;
251 reply->msg->controls = NULL;
253 return reply;
256 void ldapsrv_queue_reply(struct ldapsrv_call *call, struct ldapsrv_reply *reply)
258 DLIST_ADD_END(call->replies, reply);
261 static NTSTATUS ldapsrv_unwilling(struct ldapsrv_call *call, int error)
263 struct ldapsrv_reply *reply;
264 struct ldap_ExtendedResponse *r;
266 DEBUG(10,("Unwilling type[%d] id[%d]\n", call->request->type, call->request->messageid));
268 reply = ldapsrv_init_reply(call, LDAP_TAG_ExtendedResponse);
269 if (!reply) {
270 return NT_STATUS_NO_MEMORY;
273 r = &reply->msg->r.ExtendedResponse;
274 r->response.resultcode = error;
275 r->response.dn = NULL;
276 r->response.errormessage = NULL;
277 r->response.referral = NULL;
278 r->oid = NULL;
279 r->value = NULL;
281 ldapsrv_queue_reply(call, reply);
282 return NT_STATUS_OK;
285 static int ldapsrv_add_with_controls(struct ldapsrv_call *call,
286 const struct ldb_message *message,
287 struct ldb_control **controls,
288 struct ldb_result *res)
290 struct ldb_context *ldb = call->conn->ldb;
291 struct ldb_request *req;
292 int ret;
294 ret = ldb_msg_sanity_check(ldb, message);
295 if (ret != LDB_SUCCESS) {
296 return ret;
299 ret = ldb_build_add_req(&req, ldb, ldb,
300 message,
301 controls,
302 res,
303 ldb_modify_default_callback,
304 NULL);
306 if (ret != LDB_SUCCESS) return ret;
308 if (call->conn->global_catalog) {
309 return ldb_error(ldb, LDB_ERR_UNWILLING_TO_PERFORM, "modify forbidden on global catalog port");
311 ldb_request_add_control(req, DSDB_CONTROL_NO_GLOBAL_CATALOG, false, NULL);
313 ret = ldb_transaction_start(ldb);
314 if (ret != LDB_SUCCESS) {
315 return ret;
318 if (!call->conn->is_privileged) {
319 ldb_req_mark_untrusted(req);
322 LDB_REQ_SET_LOCATION(req);
324 ret = ldb_request(ldb, req);
325 if (ret == LDB_SUCCESS) {
326 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
329 if (ret == LDB_SUCCESS) {
330 ret = ldb_transaction_commit(ldb);
332 else {
333 ldb_transaction_cancel(ldb);
336 talloc_free(req);
337 return ret;
340 /* create and execute a modify request */
341 static int ldapsrv_mod_with_controls(struct ldapsrv_call *call,
342 const struct ldb_message *message,
343 struct ldb_control **controls,
344 struct ldb_result *res)
346 struct ldb_context *ldb = call->conn->ldb;
347 struct ldb_request *req;
348 int ret;
350 ret = ldb_msg_sanity_check(ldb, message);
351 if (ret != LDB_SUCCESS) {
352 return ret;
355 ret = ldb_build_mod_req(&req, ldb, ldb,
356 message,
357 controls,
358 res,
359 ldb_modify_default_callback,
360 NULL);
362 if (ret != LDB_SUCCESS) {
363 return ret;
366 if (call->conn->global_catalog) {
367 return ldb_error(ldb, LDB_ERR_UNWILLING_TO_PERFORM, "modify forbidden on global catalog port");
369 ldb_request_add_control(req, DSDB_CONTROL_NO_GLOBAL_CATALOG, false, NULL);
371 ret = ldb_transaction_start(ldb);
372 if (ret != LDB_SUCCESS) {
373 return ret;
376 if (!call->conn->is_privileged) {
377 ldb_req_mark_untrusted(req);
380 LDB_REQ_SET_LOCATION(req);
382 ret = ldb_request(ldb, req);
383 if (ret == LDB_SUCCESS) {
384 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
387 if (ret == LDB_SUCCESS) {
388 ret = ldb_transaction_commit(ldb);
390 else {
391 ldb_transaction_cancel(ldb);
394 talloc_free(req);
395 return ret;
398 /* create and execute a delete request */
399 static int ldapsrv_del_with_controls(struct ldapsrv_call *call,
400 struct ldb_dn *dn,
401 struct ldb_control **controls,
402 struct ldb_result *res)
404 struct ldb_context *ldb = call->conn->ldb;
405 struct ldb_request *req;
406 int ret;
408 ret = ldb_build_del_req(&req, ldb, ldb,
410 controls,
411 res,
412 ldb_modify_default_callback,
413 NULL);
415 if (ret != LDB_SUCCESS) return ret;
417 if (call->conn->global_catalog) {
418 return ldb_error(ldb, LDB_ERR_UNWILLING_TO_PERFORM, "modify forbidden on global catalog port");
420 ldb_request_add_control(req, DSDB_CONTROL_NO_GLOBAL_CATALOG, false, NULL);
422 ret = ldb_transaction_start(ldb);
423 if (ret != LDB_SUCCESS) {
424 return ret;
427 if (!call->conn->is_privileged) {
428 ldb_req_mark_untrusted(req);
431 LDB_REQ_SET_LOCATION(req);
433 ret = ldb_request(ldb, req);
434 if (ret == LDB_SUCCESS) {
435 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
438 if (ret == LDB_SUCCESS) {
439 ret = ldb_transaction_commit(ldb);
441 else {
442 ldb_transaction_cancel(ldb);
445 talloc_free(req);
446 return ret;
449 static int ldapsrv_rename_with_controls(struct ldapsrv_call *call,
450 struct ldb_dn *olddn,
451 struct ldb_dn *newdn,
452 struct ldb_control **controls,
453 struct ldb_result *res)
455 struct ldb_context *ldb = call->conn->ldb;
456 struct ldb_request *req;
457 int ret;
459 ret = ldb_build_rename_req(&req, ldb, ldb,
460 olddn,
461 newdn,
462 controls,
463 res,
464 ldb_modify_default_callback,
465 NULL);
467 if (ret != LDB_SUCCESS) return ret;
469 if (call->conn->global_catalog) {
470 return ldb_error(ldb, LDB_ERR_UNWILLING_TO_PERFORM, "modify forbidden on global catalog port");
472 ldb_request_add_control(req, DSDB_CONTROL_NO_GLOBAL_CATALOG, false, NULL);
474 ret = ldb_transaction_start(ldb);
475 if (ret != LDB_SUCCESS) {
476 return ret;
479 if (!call->conn->is_privileged) {
480 ldb_req_mark_untrusted(req);
483 LDB_REQ_SET_LOCATION(req);
485 ret = ldb_request(ldb, req);
486 if (ret == LDB_SUCCESS) {
487 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
490 if (ret == LDB_SUCCESS) {
491 ret = ldb_transaction_commit(ldb);
493 else {
494 ldb_transaction_cancel(ldb);
497 talloc_free(req);
498 return ret;
501 static NTSTATUS ldapsrv_SearchRequest(struct ldapsrv_call *call)
503 struct ldap_SearchRequest *req = &call->request->r.SearchRequest;
504 struct ldap_SearchResEntry *ent;
505 struct ldap_Result *done;
506 struct ldapsrv_reply *ent_r, *done_r;
507 TALLOC_CTX *local_ctx;
508 struct ldb_context *samdb = talloc_get_type(call->conn->ldb, struct ldb_context);
509 struct ldb_dn *basedn;
510 struct ldb_result *res = NULL;
511 struct ldb_request *lreq;
512 struct ldb_control *search_control;
513 struct ldb_search_options_control *search_options;
514 struct ldb_control *extended_dn_control;
515 struct ldb_extended_dn_control *extended_dn_decoded = NULL;
516 struct ldb_control *notification_control = NULL;
517 enum ldb_scope scope = LDB_SCOPE_DEFAULT;
518 const char **attrs = NULL;
519 const char *scope_str, *errstr = NULL;
520 int success_limit = 1;
521 int result = -1;
522 int ldb_ret = -1;
523 unsigned int i, j;
524 int extended_type = 1;
526 DEBUG(10, ("SearchRequest"));
527 DEBUGADD(10, (" basedn: %s", req->basedn));
528 DEBUGADD(10, (" filter: %s\n", ldb_filter_from_tree(call, req->tree)));
530 local_ctx = talloc_new(call);
531 NT_STATUS_HAVE_NO_MEMORY(local_ctx);
533 basedn = ldb_dn_new(local_ctx, samdb, req->basedn);
534 NT_STATUS_HAVE_NO_MEMORY(basedn);
536 DEBUG(10, ("SearchRequest: basedn: [%s]\n", req->basedn));
537 DEBUG(10, ("SearchRequest: filter: [%s]\n", ldb_filter_from_tree(call, req->tree)));
539 switch (req->scope) {
540 case LDAP_SEARCH_SCOPE_BASE:
541 scope_str = "BASE";
542 scope = LDB_SCOPE_BASE;
543 success_limit = 0;
544 break;
545 case LDAP_SEARCH_SCOPE_SINGLE:
546 scope_str = "ONE";
547 scope = LDB_SCOPE_ONELEVEL;
548 success_limit = 0;
549 break;
550 case LDAP_SEARCH_SCOPE_SUB:
551 scope_str = "SUB";
552 scope = LDB_SCOPE_SUBTREE;
553 success_limit = 0;
554 break;
555 default:
556 result = LDAP_PROTOCOL_ERROR;
557 map_ldb_error(local_ctx, LDB_ERR_PROTOCOL_ERROR, NULL,
558 &errstr);
559 errstr = talloc_asprintf(local_ctx,
560 "%s. Invalid scope", errstr);
561 goto reply;
563 DEBUG(10,("SearchRequest: scope: [%s]\n", scope_str));
565 if (req->num_attributes >= 1) {
566 attrs = talloc_array(local_ctx, const char *, req->num_attributes+1);
567 NT_STATUS_HAVE_NO_MEMORY(attrs);
569 for (i=0; i < req->num_attributes; i++) {
570 DEBUG(10,("SearchRequest: attrs: [%s]\n",req->attributes[i]));
571 attrs[i] = req->attributes[i];
573 attrs[i] = NULL;
576 DEBUG(5,("ldb_request %s dn=%s filter=%s\n",
577 scope_str, req->basedn, ldb_filter_from_tree(call, req->tree)));
579 res = talloc_zero(local_ctx, struct ldb_result);
580 NT_STATUS_HAVE_NO_MEMORY(res);
582 ldb_ret = ldb_build_search_req_ex(&lreq, samdb, local_ctx,
583 basedn, scope,
584 req->tree, attrs,
585 call->request->controls,
586 res, ldb_search_default_callback,
587 NULL);
589 if (ldb_ret != LDB_SUCCESS) {
590 goto reply;
593 if (call->conn->global_catalog) {
594 search_control = ldb_request_get_control(lreq, LDB_CONTROL_SEARCH_OPTIONS_OID);
596 search_options = NULL;
597 if (search_control) {
598 search_options = talloc_get_type(search_control->data, struct ldb_search_options_control);
599 search_options->search_options |= LDB_SEARCH_OPTION_PHANTOM_ROOT;
600 } else {
601 search_options = talloc(lreq, struct ldb_search_options_control);
602 NT_STATUS_HAVE_NO_MEMORY(search_options);
603 search_options->search_options = LDB_SEARCH_OPTION_PHANTOM_ROOT;
604 ldb_request_add_control(lreq, LDB_CONTROL_SEARCH_OPTIONS_OID, false, search_options);
606 } else {
607 ldb_request_add_control(lreq, DSDB_CONTROL_NO_GLOBAL_CATALOG, false, NULL);
610 extended_dn_control = ldb_request_get_control(lreq, LDB_CONTROL_EXTENDED_DN_OID);
612 if (extended_dn_control) {
613 if (extended_dn_control->data) {
614 extended_dn_decoded = talloc_get_type(extended_dn_control->data, struct ldb_extended_dn_control);
615 extended_type = extended_dn_decoded->type;
616 } else {
617 extended_type = 0;
621 notification_control = ldb_request_get_control(lreq, LDB_CONTROL_NOTIFICATION_OID);
622 if (notification_control != NULL) {
623 const struct ldapsrv_call *pc = NULL;
624 size_t count = 0;
626 for (pc = call->conn->pending_calls; pc != NULL; pc = pc->next) {
627 count += 1;
630 if (count >= call->conn->limits.max_notifications) {
631 DEBUG(10,("SearchRequest: error MaxNotificationPerConn\n"));
632 result = map_ldb_error(local_ctx,
633 LDB_ERR_ADMIN_LIMIT_EXCEEDED,
634 "MaxNotificationPerConn reached",
635 &errstr);
636 goto reply;
640 * For now we need to do periodic retries on our own.
641 * As the dsdb_notification module will return after each run.
643 call->notification.busy = true;
646 ldb_set_timeout(samdb, lreq, req->timelimit);
648 if (!call->conn->is_privileged) {
649 ldb_req_mark_untrusted(lreq);
652 LDB_REQ_SET_LOCATION(lreq);
654 ldb_ret = ldb_request(samdb, lreq);
656 if (ldb_ret != LDB_SUCCESS) {
657 goto reply;
660 ldb_ret = ldb_wait(lreq->handle, LDB_WAIT_ALL);
662 if (ldb_ret == LDB_SUCCESS) {
663 for (i = 0; i < res->count; i++) {
664 ent_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultEntry);
665 NT_STATUS_HAVE_NO_MEMORY(ent_r);
667 /* Better to have the whole message kept here,
668 * than to find someone further up didn't put
669 * a value in the right spot in the talloc tree */
670 talloc_steal(ent_r, res->msgs[i]);
672 ent = &ent_r->msg->r.SearchResultEntry;
673 ent->dn = ldb_dn_get_extended_linearized(ent_r, res->msgs[i]->dn, extended_type);
674 ent->num_attributes = 0;
675 ent->attributes = NULL;
676 if (res->msgs[i]->num_elements == 0) {
677 goto queue_reply;
679 ent->num_attributes = res->msgs[i]->num_elements;
680 ent->attributes = talloc_array(ent_r, struct ldb_message_element, ent->num_attributes);
681 NT_STATUS_HAVE_NO_MEMORY(ent->attributes);
682 for (j=0; j < ent->num_attributes; j++) {
683 ent->attributes[j].name = res->msgs[i]->elements[j].name;
684 ent->attributes[j].num_values = 0;
685 ent->attributes[j].values = NULL;
686 if (req->attributesonly && (res->msgs[i]->elements[j].num_values == 0)) {
687 continue;
689 ent->attributes[j].num_values = res->msgs[i]->elements[j].num_values;
690 ent->attributes[j].values = res->msgs[i]->elements[j].values;
692 queue_reply:
693 ldapsrv_queue_reply(call, ent_r);
696 if (call->notification.busy) {
697 /* Move/Add it to the end */
698 DLIST_DEMOTE(call->conn->pending_calls, call);
699 call->notification.generation =
700 call->conn->service->notification.generation;
702 if (res->count != 0) {
703 call->notification.generation += 1;
704 ldapsrv_notification_retry_setup(call->conn->service,
705 true);
708 talloc_free(local_ctx);
709 return NT_STATUS_OK;
712 /* Send back referrals if they do exist (search operations) */
713 if (res->refs != NULL) {
714 char **ref;
715 struct ldap_SearchResRef *ent_ref;
717 for (ref = res->refs; *ref != NULL; ++ref) {
718 ent_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultReference);
719 NT_STATUS_HAVE_NO_MEMORY(ent_r);
721 /* Better to have the whole referrals kept here,
722 * than to find someone further up didn't put
723 * a value in the right spot in the talloc tree
725 talloc_steal(ent_r, *ref);
727 ent_ref = &ent_r->msg->r.SearchResultReference;
728 ent_ref->referral = *ref;
730 ldapsrv_queue_reply(call, ent_r);
735 reply:
736 DLIST_REMOVE(call->conn->pending_calls, call);
737 call->notification.busy = false;
739 done_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultDone);
740 NT_STATUS_HAVE_NO_MEMORY(done_r);
742 done = &done_r->msg->r.SearchResultDone;
743 done->dn = NULL;
744 done->referral = NULL;
746 if (result != -1) {
747 } else if (ldb_ret == LDB_SUCCESS) {
748 if (res->count >= success_limit) {
749 DEBUG(10,("SearchRequest: results: [%d]\n", res->count));
750 result = LDAP_SUCCESS;
751 errstr = NULL;
753 if (res->controls) {
754 done_r->msg->controls = res->controls;
755 talloc_steal(done_r, res->controls);
757 } else {
758 DEBUG(10,("SearchRequest: error\n"));
759 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
760 &errstr);
763 done->resultcode = result;
764 done->errormessage = (errstr?talloc_strdup(done_r, errstr):NULL);
766 talloc_free(local_ctx);
768 ldapsrv_queue_reply(call, done_r);
769 return NT_STATUS_OK;
772 static NTSTATUS ldapsrv_ModifyRequest(struct ldapsrv_call *call)
774 struct ldap_ModifyRequest *req = &call->request->r.ModifyRequest;
775 struct ldap_Result *modify_result;
776 struct ldapsrv_reply *modify_reply;
777 TALLOC_CTX *local_ctx;
778 struct ldb_context *samdb = call->conn->ldb;
779 struct ldb_message *msg = NULL;
780 struct ldb_dn *dn;
781 const char *errstr = NULL;
782 int result = LDAP_SUCCESS;
783 int ldb_ret;
784 unsigned int i,j;
785 struct ldb_result *res = NULL;
787 DEBUG(10, ("ModifyRequest"));
788 DEBUGADD(10, (" dn: %s\n", req->dn));
790 local_ctx = talloc_named(call, 0, "ModifyRequest local memory context");
791 NT_STATUS_HAVE_NO_MEMORY(local_ctx);
793 dn = ldb_dn_new(local_ctx, samdb, req->dn);
794 NT_STATUS_HAVE_NO_MEMORY(dn);
796 DEBUG(10, ("ModifyRequest: dn: [%s]\n", req->dn));
798 msg = talloc(local_ctx, struct ldb_message);
799 NT_STATUS_HAVE_NO_MEMORY(msg);
801 msg->dn = dn;
802 msg->num_elements = 0;
803 msg->elements = NULL;
805 if (req->num_mods > 0) {
806 msg->num_elements = req->num_mods;
807 msg->elements = talloc_array(msg, struct ldb_message_element, req->num_mods);
808 NT_STATUS_HAVE_NO_MEMORY(msg->elements);
810 for (i=0; i < msg->num_elements; i++) {
811 msg->elements[i].name = discard_const_p(char, req->mods[i].attrib.name);
812 msg->elements[i].num_values = 0;
813 msg->elements[i].values = NULL;
815 switch (req->mods[i].type) {
816 default:
817 result = LDAP_PROTOCOL_ERROR;
818 map_ldb_error(local_ctx,
819 LDB_ERR_PROTOCOL_ERROR, NULL, &errstr);
820 errstr = talloc_asprintf(local_ctx,
821 "%s. Invalid LDAP_MODIFY_* type", errstr);
822 goto reply;
823 case LDAP_MODIFY_ADD:
824 msg->elements[i].flags = LDB_FLAG_MOD_ADD;
825 break;
826 case LDAP_MODIFY_DELETE:
827 msg->elements[i].flags = LDB_FLAG_MOD_DELETE;
828 break;
829 case LDAP_MODIFY_REPLACE:
830 msg->elements[i].flags = LDB_FLAG_MOD_REPLACE;
831 break;
834 msg->elements[i].num_values = req->mods[i].attrib.num_values;
835 if (msg->elements[i].num_values > 0) {
836 msg->elements[i].values = talloc_array(msg->elements, struct ldb_val,
837 msg->elements[i].num_values);
838 NT_STATUS_HAVE_NO_MEMORY(msg->elements[i].values);
840 for (j=0; j < msg->elements[i].num_values; j++) {
841 msg->elements[i].values[j].length = req->mods[i].attrib.values[j].length;
842 msg->elements[i].values[j].data = req->mods[i].attrib.values[j].data;
848 reply:
849 modify_reply = ldapsrv_init_reply(call, LDAP_TAG_ModifyResponse);
850 NT_STATUS_HAVE_NO_MEMORY(modify_reply);
852 if (result == LDAP_SUCCESS) {
853 res = talloc_zero(local_ctx, struct ldb_result);
854 NT_STATUS_HAVE_NO_MEMORY(res);
855 ldb_ret = ldapsrv_mod_with_controls(call, msg, call->request->controls, res);
856 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
857 &errstr);
860 modify_result = &modify_reply->msg->r.ModifyResponse;
861 modify_result->dn = NULL;
862 if ((res != NULL) && (res->refs != NULL)) {
863 modify_result->resultcode = map_ldb_error(local_ctx,
864 LDB_ERR_REFERRAL,
865 NULL, &errstr);
866 modify_result->errormessage = (errstr?talloc_strdup(modify_reply, errstr):NULL);
867 modify_result->referral = talloc_strdup(call, *res->refs);
868 } else {
869 modify_result->resultcode = result;
870 modify_result->errormessage = (errstr?talloc_strdup(modify_reply, errstr):NULL);
871 modify_result->referral = NULL;
873 talloc_free(local_ctx);
875 ldapsrv_queue_reply(call, modify_reply);
876 return NT_STATUS_OK;
880 static NTSTATUS ldapsrv_AddRequest(struct ldapsrv_call *call)
882 struct ldap_AddRequest *req = &call->request->r.AddRequest;
883 struct ldap_Result *add_result;
884 struct ldapsrv_reply *add_reply;
885 TALLOC_CTX *local_ctx;
886 struct ldb_context *samdb = call->conn->ldb;
887 struct ldb_message *msg = NULL;
888 struct ldb_dn *dn;
889 const char *errstr = NULL;
890 int result = LDAP_SUCCESS;
891 int ldb_ret;
892 unsigned int i,j;
893 struct ldb_result *res = NULL;
895 DEBUG(10, ("AddRequest"));
896 DEBUGADD(10, (" dn: %s\n", req->dn));
898 local_ctx = talloc_named(call, 0, "AddRequest local memory context");
899 NT_STATUS_HAVE_NO_MEMORY(local_ctx);
901 dn = ldb_dn_new(local_ctx, samdb, req->dn);
902 NT_STATUS_HAVE_NO_MEMORY(dn);
904 DEBUG(10, ("AddRequest: dn: [%s]\n", req->dn));
906 msg = talloc(local_ctx, struct ldb_message);
907 NT_STATUS_HAVE_NO_MEMORY(msg);
909 msg->dn = dn;
910 msg->num_elements = 0;
911 msg->elements = NULL;
913 if (req->num_attributes > 0) {
914 msg->num_elements = req->num_attributes;
915 msg->elements = talloc_array(msg, struct ldb_message_element, msg->num_elements);
916 NT_STATUS_HAVE_NO_MEMORY(msg->elements);
918 for (i=0; i < msg->num_elements; i++) {
919 msg->elements[i].name = discard_const_p(char, req->attributes[i].name);
920 msg->elements[i].flags = 0;
921 msg->elements[i].num_values = 0;
922 msg->elements[i].values = NULL;
924 if (req->attributes[i].num_values > 0) {
925 msg->elements[i].num_values = req->attributes[i].num_values;
926 msg->elements[i].values = talloc_array(msg->elements, struct ldb_val,
927 msg->elements[i].num_values);
928 NT_STATUS_HAVE_NO_MEMORY(msg->elements[i].values);
930 for (j=0; j < msg->elements[i].num_values; j++) {
931 msg->elements[i].values[j].length = req->attributes[i].values[j].length;
932 msg->elements[i].values[j].data = req->attributes[i].values[j].data;
938 add_reply = ldapsrv_init_reply(call, LDAP_TAG_AddResponse);
939 NT_STATUS_HAVE_NO_MEMORY(add_reply);
941 if (result == LDAP_SUCCESS) {
942 res = talloc_zero(local_ctx, struct ldb_result);
943 NT_STATUS_HAVE_NO_MEMORY(res);
944 ldb_ret = ldapsrv_add_with_controls(call, msg, call->request->controls, res);
945 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
946 &errstr);
949 add_result = &add_reply->msg->r.AddResponse;
950 add_result->dn = NULL;
951 if ((res != NULL) && (res->refs != NULL)) {
952 add_result->resultcode = map_ldb_error(local_ctx,
953 LDB_ERR_REFERRAL, NULL,
954 &errstr);
955 add_result->errormessage = (errstr?talloc_strdup(add_reply,errstr):NULL);
956 add_result->referral = talloc_strdup(call, *res->refs);
957 } else {
958 add_result->resultcode = result;
959 add_result->errormessage = (errstr?talloc_strdup(add_reply,errstr):NULL);
960 add_result->referral = NULL;
962 talloc_free(local_ctx);
964 ldapsrv_queue_reply(call, add_reply);
965 return NT_STATUS_OK;
969 static NTSTATUS ldapsrv_DelRequest(struct ldapsrv_call *call)
971 struct ldap_DelRequest *req = &call->request->r.DelRequest;
972 struct ldap_Result *del_result;
973 struct ldapsrv_reply *del_reply;
974 TALLOC_CTX *local_ctx;
975 struct ldb_context *samdb = call->conn->ldb;
976 struct ldb_dn *dn;
977 const char *errstr = NULL;
978 int result = LDAP_SUCCESS;
979 int ldb_ret;
980 struct ldb_result *res = NULL;
982 DEBUG(10, ("DelRequest"));
983 DEBUGADD(10, (" dn: %s\n", req->dn));
985 local_ctx = talloc_named(call, 0, "DelRequest local memory context");
986 NT_STATUS_HAVE_NO_MEMORY(local_ctx);
988 dn = ldb_dn_new(local_ctx, samdb, req->dn);
989 NT_STATUS_HAVE_NO_MEMORY(dn);
991 DEBUG(10, ("DelRequest: dn: [%s]\n", req->dn));
993 del_reply = ldapsrv_init_reply(call, LDAP_TAG_DelResponse);
994 NT_STATUS_HAVE_NO_MEMORY(del_reply);
996 if (result == LDAP_SUCCESS) {
997 res = talloc_zero(local_ctx, struct ldb_result);
998 NT_STATUS_HAVE_NO_MEMORY(res);
999 ldb_ret = ldapsrv_del_with_controls(call, dn, call->request->controls, res);
1000 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
1001 &errstr);
1004 del_result = &del_reply->msg->r.DelResponse;
1005 del_result->dn = NULL;
1006 if ((res != NULL) && (res->refs != NULL)) {
1007 del_result->resultcode = map_ldb_error(local_ctx,
1008 LDB_ERR_REFERRAL, NULL,
1009 &errstr);
1010 del_result->errormessage = (errstr?talloc_strdup(del_reply,errstr):NULL);
1011 del_result->referral = talloc_strdup(call, *res->refs);
1012 } else {
1013 del_result->resultcode = result;
1014 del_result->errormessage = (errstr?talloc_strdup(del_reply,errstr):NULL);
1015 del_result->referral = NULL;
1018 talloc_free(local_ctx);
1020 ldapsrv_queue_reply(call, del_reply);
1021 return NT_STATUS_OK;
1024 static NTSTATUS ldapsrv_ModifyDNRequest(struct ldapsrv_call *call)
1026 struct ldap_ModifyDNRequest *req = &call->request->r.ModifyDNRequest;
1027 struct ldap_Result *modifydn;
1028 struct ldapsrv_reply *modifydn_r;
1029 TALLOC_CTX *local_ctx;
1030 struct ldb_context *samdb = call->conn->ldb;
1031 struct ldb_dn *olddn, *newdn=NULL, *newrdn;
1032 struct ldb_dn *parentdn = NULL;
1033 const char *errstr = NULL;
1034 int result = LDAP_SUCCESS;
1035 int ldb_ret;
1036 struct ldb_result *res = NULL;
1038 DEBUG(10, ("ModifyDNRequest"));
1039 DEBUGADD(10, (" dn: %s", req->dn));
1040 DEBUGADD(10, (" newrdn: %s\n", req->newrdn));
1042 local_ctx = talloc_named(call, 0, "ModifyDNRequest local memory context");
1043 NT_STATUS_HAVE_NO_MEMORY(local_ctx);
1045 olddn = ldb_dn_new(local_ctx, samdb, req->dn);
1046 NT_STATUS_HAVE_NO_MEMORY(olddn);
1048 newrdn = ldb_dn_new(local_ctx, samdb, req->newrdn);
1049 NT_STATUS_HAVE_NO_MEMORY(newrdn);
1051 DEBUG(10, ("ModifyDNRequest: olddn: [%s]\n", req->dn));
1052 DEBUG(10, ("ModifyDNRequest: newrdn: [%s]\n", req->newrdn));
1054 if (ldb_dn_get_comp_num(newrdn) == 0) {
1055 result = LDAP_PROTOCOL_ERROR;
1056 map_ldb_error(local_ctx, LDB_ERR_PROTOCOL_ERROR, NULL,
1057 &errstr);
1058 goto reply;
1061 if (ldb_dn_get_comp_num(newrdn) > 1) {
1062 result = LDAP_NAMING_VIOLATION;
1063 map_ldb_error(local_ctx, LDB_ERR_NAMING_VIOLATION, NULL,
1064 &errstr);
1065 goto reply;
1068 /* we can't handle the rename if we should not remove the old dn */
1069 if (!req->deleteolddn) {
1070 result = LDAP_UNWILLING_TO_PERFORM;
1071 map_ldb_error(local_ctx, LDB_ERR_UNWILLING_TO_PERFORM, NULL,
1072 &errstr);
1073 errstr = talloc_asprintf(local_ctx,
1074 "%s. Old RDN must be deleted", errstr);
1075 goto reply;
1078 if (req->newsuperior) {
1079 DEBUG(10, ("ModifyDNRequest: newsuperior: [%s]\n", req->newsuperior));
1080 parentdn = ldb_dn_new(local_ctx, samdb, req->newsuperior);
1083 if (!parentdn) {
1084 parentdn = ldb_dn_get_parent(local_ctx, olddn);
1086 if (!parentdn) {
1087 result = LDAP_NO_SUCH_OBJECT;
1088 map_ldb_error(local_ctx, LDB_ERR_NO_SUCH_OBJECT, NULL, &errstr);
1089 goto reply;
1092 if ( ! ldb_dn_add_child(parentdn, newrdn)) {
1093 result = LDAP_OTHER;
1094 map_ldb_error(local_ctx, LDB_ERR_OTHER, NULL, &errstr);
1095 goto reply;
1097 newdn = parentdn;
1099 reply:
1100 modifydn_r = ldapsrv_init_reply(call, LDAP_TAG_ModifyDNResponse);
1101 NT_STATUS_HAVE_NO_MEMORY(modifydn_r);
1103 if (result == LDAP_SUCCESS) {
1104 res = talloc_zero(local_ctx, struct ldb_result);
1105 NT_STATUS_HAVE_NO_MEMORY(res);
1106 ldb_ret = ldapsrv_rename_with_controls(call, olddn, newdn, call->request->controls, res);
1107 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
1108 &errstr);
1111 modifydn = &modifydn_r->msg->r.ModifyDNResponse;
1112 modifydn->dn = NULL;
1113 if ((res != NULL) && (res->refs != NULL)) {
1114 modifydn->resultcode = map_ldb_error(local_ctx,
1115 LDB_ERR_REFERRAL, NULL,
1116 &errstr);;
1117 modifydn->errormessage = (errstr?talloc_strdup(modifydn_r,errstr):NULL);
1118 modifydn->referral = talloc_strdup(call, *res->refs);
1119 } else {
1120 modifydn->resultcode = result;
1121 modifydn->errormessage = (errstr?talloc_strdup(modifydn_r,errstr):NULL);
1122 modifydn->referral = NULL;
1125 talloc_free(local_ctx);
1127 ldapsrv_queue_reply(call, modifydn_r);
1128 return NT_STATUS_OK;
1131 static NTSTATUS ldapsrv_CompareRequest(struct ldapsrv_call *call)
1133 struct ldap_CompareRequest *req = &call->request->r.CompareRequest;
1134 struct ldap_Result *compare;
1135 struct ldapsrv_reply *compare_r;
1136 TALLOC_CTX *local_ctx;
1137 struct ldb_context *samdb = call->conn->ldb;
1138 struct ldb_result *res = NULL;
1139 struct ldb_dn *dn;
1140 const char *attrs[1];
1141 const char *errstr = NULL;
1142 const char *filter = NULL;
1143 int result = LDAP_SUCCESS;
1144 int ldb_ret;
1146 DEBUG(10, ("CompareRequest"));
1147 DEBUGADD(10, (" dn: %s\n", req->dn));
1149 local_ctx = talloc_named(call, 0, "CompareRequest local_memory_context");
1150 NT_STATUS_HAVE_NO_MEMORY(local_ctx);
1152 dn = ldb_dn_new(local_ctx, samdb, req->dn);
1153 NT_STATUS_HAVE_NO_MEMORY(dn);
1155 DEBUG(10, ("CompareRequest: dn: [%s]\n", req->dn));
1156 filter = talloc_asprintf(local_ctx, "(%s=%*s)", req->attribute,
1157 (int)req->value.length, req->value.data);
1158 NT_STATUS_HAVE_NO_MEMORY(filter);
1160 DEBUGADD(10, ("CompareRequest: attribute: [%s]\n", filter));
1162 attrs[0] = NULL;
1164 compare_r = ldapsrv_init_reply(call, LDAP_TAG_CompareResponse);
1165 NT_STATUS_HAVE_NO_MEMORY(compare_r);
1167 if (result == LDAP_SUCCESS) {
1168 ldb_ret = ldb_search(samdb, local_ctx, &res,
1169 dn, LDB_SCOPE_BASE, attrs, "%s", filter);
1170 if (ldb_ret != LDB_SUCCESS) {
1171 result = map_ldb_error(local_ctx, ldb_ret,
1172 ldb_errstring(samdb), &errstr);
1173 DEBUG(10,("CompareRequest: error: %s\n", errstr));
1174 } else if (res->count == 0) {
1175 DEBUG(10,("CompareRequest: doesn't matched\n"));
1176 result = LDAP_COMPARE_FALSE;
1177 errstr = NULL;
1178 } else if (res->count == 1) {
1179 DEBUG(10,("CompareRequest: matched\n"));
1180 result = LDAP_COMPARE_TRUE;
1181 errstr = NULL;
1182 } else if (res->count > 1) {
1183 result = LDAP_OTHER;
1184 map_ldb_error(local_ctx, LDB_ERR_OTHER, NULL, &errstr);
1185 errstr = talloc_asprintf(local_ctx,
1186 "%s. Too many objects match!", errstr);
1187 DEBUG(10,("CompareRequest: %d results: %s\n", res->count, errstr));
1191 compare = &compare_r->msg->r.CompareResponse;
1192 compare->dn = NULL;
1193 compare->resultcode = result;
1194 compare->errormessage = (errstr?talloc_strdup(compare_r,errstr):NULL);
1195 compare->referral = NULL;
1197 talloc_free(local_ctx);
1199 ldapsrv_queue_reply(call, compare_r);
1200 return NT_STATUS_OK;
1203 static NTSTATUS ldapsrv_AbandonRequest(struct ldapsrv_call *call)
1205 struct ldap_AbandonRequest *req = &call->request->r.AbandonRequest;
1206 struct ldapsrv_call *c = NULL;
1207 struct ldapsrv_call *n = NULL;
1209 DEBUG(10, ("AbandonRequest\n"));
1211 for (c = call->conn->pending_calls; c != NULL; c = n) {
1212 n = c->next;
1214 if (c->request->messageid != req->messageid) {
1215 continue;
1218 DLIST_REMOVE(call->conn->pending_calls, c);
1219 TALLOC_FREE(c);
1222 return NT_STATUS_OK;
1225 NTSTATUS ldapsrv_do_call(struct ldapsrv_call *call)
1227 unsigned int i;
1228 struct ldap_message *msg = call->request;
1229 struct ldb_context *samdb = call->conn->ldb;
1230 NTSTATUS status;
1231 time_t *lastts;
1232 bool recheck_schema = false;
1234 /* Check for undecoded critical extensions */
1235 for (i=0; msg->controls && msg->controls[i]; i++) {
1236 if (!msg->controls_decoded[i] &&
1237 msg->controls[i]->critical) {
1238 DEBUG(3, ("ldapsrv_do_call: Critical extension %s is not known to this server\n",
1239 msg->controls[i]->oid));
1240 return ldapsrv_unwilling(call, LDAP_UNAVAILABLE_CRITICAL_EXTENSION);
1244 switch(call->request->type) {
1245 case LDAP_TAG_BindRequest:
1246 return ldapsrv_BindRequest(call);
1247 case LDAP_TAG_UnbindRequest:
1248 return ldapsrv_UnbindRequest(call);
1249 case LDAP_TAG_SearchRequest:
1250 return ldapsrv_SearchRequest(call);
1251 case LDAP_TAG_ModifyRequest:
1252 recheck_schema = true;
1253 status = ldapsrv_ModifyRequest(call);
1254 break;
1255 case LDAP_TAG_AddRequest:
1256 recheck_schema = true;
1257 status = ldapsrv_AddRequest(call);
1258 break;
1259 case LDAP_TAG_DelRequest:
1260 status = ldapsrv_DelRequest(call);
1261 break;
1262 case LDAP_TAG_ModifyDNRequest:
1263 status = ldapsrv_ModifyDNRequest(call);
1264 break;
1265 case LDAP_TAG_CompareRequest:
1266 return ldapsrv_CompareRequest(call);
1267 case LDAP_TAG_AbandonRequest:
1268 return ldapsrv_AbandonRequest(call);
1269 case LDAP_TAG_ExtendedRequest:
1270 status = ldapsrv_ExtendedRequest(call);
1271 break;
1272 default:
1273 return ldapsrv_unwilling(call, LDAP_PROTOCOL_ERROR);
1276 if (NT_STATUS_IS_OK(status) && recheck_schema) {
1277 lastts = (time_t *)ldb_get_opaque(samdb, DSDB_OPAQUE_LAST_SCHEMA_UPDATE_MSG_OPAQUE_NAME);
1278 if (lastts && !*lastts) {
1279 DEBUG(10, ("Schema update now was requested, "
1280 "fullfilling the request ts = %d\n",
1281 (int)*lastts));
1283 * Just requesting the schema will do the trick
1284 * as the delay for reload is experied, we will have a reload
1285 * from the schema as expected as we are not yet in a transaction!
1287 dsdb_get_schema(samdb, NULL);
1288 *lastts = time(NULL);
1289 ldb_set_opaque(samdb, DSDB_OPAQUE_LAST_SCHEMA_UPDATE_MSG_OPAQUE_NAME, lastts);
1293 if (NT_STATUS_IS_OK(status)) {
1294 ldapsrv_notification_retry_setup(call->conn->service, true);
1297 return status;