Fix debug print warning message.
[samba.git] / source4 / ldap_server / ldap_backend.c
1 /* 
2    Unix SMB/CIFS implementation.
3    LDAP server
4    Copyright (C) Stefan Metzmacher 2004
5    Copyright (C) Matthias Dieter Wallnöfer 2009
6    
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.
11    
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.
16    
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/>.
19 */
20
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 "param/param.h"
27 #include "smbd/service_stream.h"
28 #include "dsdb/samdb/samdb.h"
29 #include <ldb_errors.h>
30 #include <ldb_module.h>
31 #include "ldb_wrap.h"
32
33 static int map_ldb_error(TALLOC_CTX *mem_ctx, int ldb_err,
34         const char *add_err_string, const char **errstring)
35 {
36         WERROR err;
37
38         /* Certain LDB modules need to return very special WERROR codes. Proof
39          * for them here and if they exist skip the rest of the mapping. */
40         if (add_err_string != NULL) {
41                 char *endptr;
42                 strtol(add_err_string, &endptr, 16);
43                 if (endptr != add_err_string) {
44                         *errstring = add_err_string;
45                         return ldb_err;
46                 }
47         }
48
49         /* Otherwise we calculate here a generic, but appropriate WERROR. */
50
51         switch (ldb_err) {
52         case LDB_SUCCESS:
53                 err = WERR_OK;
54         break;
55         case LDB_ERR_OPERATIONS_ERROR:
56                 err = WERR_DS_OPERATIONS_ERROR;
57         break;
58         case LDB_ERR_PROTOCOL_ERROR:
59                 err = WERR_DS_PROTOCOL_ERROR;
60         break;
61         case LDB_ERR_TIME_LIMIT_EXCEEDED:
62                 err = WERR_DS_TIMELIMIT_EXCEEDED;
63         break;
64         case LDB_ERR_SIZE_LIMIT_EXCEEDED:
65                 err = WERR_DS_SIZELIMIT_EXCEEDED;
66         break;
67         case LDB_ERR_COMPARE_FALSE:
68                 err = WERR_DS_COMPARE_FALSE;
69         break;
70         case LDB_ERR_COMPARE_TRUE:
71                 err = WERR_DS_COMPARE_TRUE;
72         break;
73         case LDB_ERR_AUTH_METHOD_NOT_SUPPORTED:
74                 err = WERR_DS_AUTH_METHOD_NOT_SUPPORTED;
75         break;
76         case LDB_ERR_STRONG_AUTH_REQUIRED:
77                 err = WERR_DS_STRONG_AUTH_REQUIRED;
78         break;
79         case LDB_ERR_REFERRAL:
80                 err = WERR_DS_REFERRAL;
81         break;
82         case LDB_ERR_ADMIN_LIMIT_EXCEEDED:
83                 err = WERR_DS_ADMIN_LIMIT_EXCEEDED;
84         break;
85         case LDB_ERR_UNSUPPORTED_CRITICAL_EXTENSION:
86                 err = WERR_DS_UNAVAILABLE_CRIT_EXTENSION;
87         break;
88         case LDB_ERR_CONFIDENTIALITY_REQUIRED:
89                 err = WERR_DS_CONFIDENTIALITY_REQUIRED;
90         break;
91         case LDB_ERR_SASL_BIND_IN_PROGRESS:
92                 err = WERR_DS_BUSY;
93         break;
94         case LDB_ERR_NO_SUCH_ATTRIBUTE:
95                 err = WERR_DS_NO_ATTRIBUTE_OR_VALUE;
96         break;
97         case LDB_ERR_UNDEFINED_ATTRIBUTE_TYPE:
98                 err = WERR_DS_ATTRIBUTE_TYPE_UNDEFINED;
99         break;
100         case LDB_ERR_INAPPROPRIATE_MATCHING:
101                 err = WERR_DS_INAPPROPRIATE_MATCHING;
102         break;
103         case LDB_ERR_CONSTRAINT_VIOLATION:
104                 err = WERR_DS_CONSTRAINT_VIOLATION;
105         break;
106         case LDB_ERR_ATTRIBUTE_OR_VALUE_EXISTS:
107                 err = WERR_DS_ATTRIBUTE_OR_VALUE_EXISTS;
108         break;
109         case LDB_ERR_INVALID_ATTRIBUTE_SYNTAX:
110                 err = WERR_DS_INVALID_ATTRIBUTE_SYNTAX;
111         break;
112         case LDB_ERR_NO_SUCH_OBJECT:
113                 err = WERR_DS_NO_SUCH_OBJECT;
114         break;
115         case LDB_ERR_ALIAS_PROBLEM:
116                 err = WERR_DS_ALIAS_PROBLEM;
117         break;
118         case LDB_ERR_INVALID_DN_SYNTAX:
119                 err = WERR_DS_INVALID_DN_SYNTAX;
120         break;
121         case LDB_ERR_ALIAS_DEREFERENCING_PROBLEM:
122                 err = WERR_DS_ALIAS_DEREF_PROBLEM;
123         break;
124         case LDB_ERR_INAPPROPRIATE_AUTHENTICATION:
125                 err = WERR_DS_INAPPROPRIATE_AUTH;
126         break;
127         case LDB_ERR_INVALID_CREDENTIALS:
128                 err = WERR_ACCESS_DENIED;
129         break;
130         case LDB_ERR_INSUFFICIENT_ACCESS_RIGHTS:
131                 err = WERR_DS_INSUFF_ACCESS_RIGHTS;
132         break;
133         case LDB_ERR_BUSY:
134                 err = WERR_DS_BUSY;
135         break;
136         case LDB_ERR_UNAVAILABLE:
137                 err = WERR_DS_UNAVAILABLE;
138         break;
139         case LDB_ERR_UNWILLING_TO_PERFORM:
140                 err = WERR_DS_UNWILLING_TO_PERFORM;
141         break;
142         case LDB_ERR_LOOP_DETECT:
143                 err = WERR_DS_LOOP_DETECT;
144         break;
145         case LDB_ERR_NAMING_VIOLATION:
146                 err = WERR_DS_NAMING_VIOLATION;
147         break;
148         case LDB_ERR_OBJECT_CLASS_VIOLATION:
149                 err = WERR_DS_OBJ_CLASS_VIOLATION;
150         break;
151         case LDB_ERR_NOT_ALLOWED_ON_NON_LEAF:
152                 err = WERR_DS_CANT_ON_NON_LEAF;
153         break;
154         case LDB_ERR_NOT_ALLOWED_ON_RDN:
155                 err = WERR_DS_CANT_ON_RDN;
156         break;
157         case LDB_ERR_ENTRY_ALREADY_EXISTS:
158                 err = WERR_DS_OBJ_STRING_NAME_EXISTS;
159         break;
160         case LDB_ERR_OBJECT_CLASS_MODS_PROHIBITED:
161                 err = WERR_DS_CANT_MOD_OBJ_CLASS;
162         break;
163         case LDB_ERR_AFFECTS_MULTIPLE_DSAS:
164                 err = WERR_DS_AFFECTS_MULTIPLE_DSAS;
165         break;
166         default:
167                 err = WERR_DS_GENERIC_ERROR;
168         break;
169         }
170
171         *errstring = talloc_asprintf(mem_ctx, "%08X: %s", W_ERROR_V(err),
172                 add_err_string != NULL ? add_err_string : ldb_strerror(ldb_err));
173
174         /* result is 1:1 for now */
175         return ldb_err;
176 }
177
178 /*
179   connect to the sam database
180 */
181 NTSTATUS ldapsrv_backend_Init(struct ldapsrv_connection *conn) 
182 {
183         conn->ldb = samdb_connect(conn, 
184                                      conn->connection->event.ctx,
185                                      conn->lp_ctx,
186                                      conn->session_info,
187                                      conn->global_catalog ? LDB_FLG_RDONLY : 0);
188         if (conn->ldb == NULL) {
189                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
190         }
191
192         if (conn->server_credentials) {
193                 char **sasl_mechs = NULL;
194                 struct gensec_security_ops **backends = gensec_security_all();
195                 struct gensec_security_ops **ops
196                         = gensec_use_kerberos_mechs(conn, backends, conn->server_credentials);
197                 unsigned int i, j = 0;
198                 for (i = 0; ops && ops[i]; i++) {
199                         if (!lpcfg_parm_bool(conn->lp_ctx,  NULL, "gensec", ops[i]->name, ops[i]->enabled))
200                                 continue;
201
202                         if (ops[i]->sasl_name && ops[i]->server_start) {
203                                 char *sasl_name = talloc_strdup(conn, ops[i]->sasl_name);
204
205                                 if (!sasl_name) {
206                                         return NT_STATUS_NO_MEMORY;
207                                 }
208                                 sasl_mechs = talloc_realloc(conn, sasl_mechs, char *, j + 2);
209                                 if (!sasl_mechs) {
210                                         return NT_STATUS_NO_MEMORY;
211                                 }
212                                 sasl_mechs[j] = sasl_name;
213                                 talloc_steal(sasl_mechs, sasl_name);
214                                 sasl_mechs[j+1] = NULL;
215                                 j++;
216                         }
217                 }
218                 talloc_unlink(conn, ops);
219
220                 /* ldb can have a different lifetime to conn, so we
221                    need to ensure that sasl_mechs lives as long as the
222                    ldb does */
223                 talloc_steal(conn->ldb, sasl_mechs);
224
225                 ldb_set_opaque(conn->ldb, "supportedSASLMechanisms", sasl_mechs);
226         }
227
228         return NT_STATUS_OK;
229 }
230
231 struct ldapsrv_reply *ldapsrv_init_reply(struct ldapsrv_call *call, uint8_t type)
232 {
233         struct ldapsrv_reply *reply;
234
235         reply = talloc(call, struct ldapsrv_reply);
236         if (!reply) {
237                 return NULL;
238         }
239         reply->msg = talloc(reply, struct ldap_message);
240         if (reply->msg == NULL) {
241                 talloc_free(reply);
242                 return NULL;
243         }
244
245         reply->msg->messageid = call->request->messageid;
246         reply->msg->type = type;
247         reply->msg->controls = NULL;
248
249         return reply;
250 }
251
252 void ldapsrv_queue_reply(struct ldapsrv_call *call, struct ldapsrv_reply *reply)
253 {
254         DLIST_ADD_END(call->replies, reply, struct ldapsrv_reply *);
255 }
256
257 static NTSTATUS ldapsrv_unwilling(struct ldapsrv_call *call, int error)
258 {
259         struct ldapsrv_reply *reply;
260         struct ldap_ExtendedResponse *r;
261
262         DEBUG(10,("Unwilling type[%d] id[%d]\n", call->request->type, call->request->messageid));
263
264         reply = ldapsrv_init_reply(call, LDAP_TAG_ExtendedResponse);
265         if (!reply) {
266                 return NT_STATUS_NO_MEMORY;
267         }
268
269         r = &reply->msg->r.ExtendedResponse;
270         r->response.resultcode = error;
271         r->response.dn = NULL;
272         r->response.errormessage = NULL;
273         r->response.referral = NULL;
274         r->oid = NULL;
275         r->value = NULL;
276
277         ldapsrv_queue_reply(call, reply);
278         return NT_STATUS_OK;
279 }
280
281 static int ldapsrv_add_with_controls(struct ldapsrv_call *call,
282                                      const struct ldb_message *message,
283                                      struct ldb_control **controls,
284                                      void *context)
285 {
286         struct ldb_context *ldb = call->conn->ldb;
287         struct ldb_request *req;
288         int ret;
289
290         ret = ldb_msg_sanity_check(ldb, message);
291         if (ret != LDB_SUCCESS) {
292                 return ret;
293         }
294
295         ret = ldb_build_add_req(&req, ldb, ldb,
296                                         message,
297                                         controls,
298                                         context,
299                                         ldb_modify_default_callback,
300                                         NULL);
301
302         if (ret != LDB_SUCCESS) return ret;
303
304         if (call->conn->global_catalog) {
305                 return ldb_error(ldb, LDB_ERR_UNWILLING_TO_PERFORM, "modify forbidden on global catalog port");
306         }
307         ldb_request_add_control(req, DSDB_CONTROL_NO_GLOBAL_CATALOG, false, NULL);
308
309         ret = ldb_transaction_start(ldb);
310         if (ret != LDB_SUCCESS) {
311                 return ret;
312         }
313
314         if (!call->conn->is_privileged) {
315                 ldb_req_mark_untrusted(req);
316         }
317
318         LDB_REQ_SET_LOCATION(req);
319
320         ret = ldb_request(ldb, req);
321         if (ret == LDB_SUCCESS) {
322                 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
323         }
324
325         if (ret == LDB_SUCCESS) {
326                 ret = ldb_transaction_commit(ldb);
327         }
328         else {
329                 ldb_transaction_cancel(ldb);
330         }
331
332         talloc_free(req);
333         return ret;
334 }
335
336 /* create and execute a modify request */
337 static int ldapsrv_mod_with_controls(struct ldapsrv_call *call,
338                                      const struct ldb_message *message,
339                                      struct ldb_control **controls,
340                                      void *context)
341 {
342         struct ldb_context *ldb = call->conn->ldb;
343         struct ldb_request *req;
344         int ret;
345
346         ret = ldb_msg_sanity_check(ldb, message);
347         if (ret != LDB_SUCCESS) {
348                 return ret;
349         }
350
351         ret = ldb_build_mod_req(&req, ldb, ldb,
352                                         message,
353                                         controls,
354                                         context,
355                                         ldb_modify_default_callback,
356                                         NULL);
357
358         if (ret != LDB_SUCCESS) {
359                 return ret;
360         }
361
362         if (call->conn->global_catalog) {
363                 return ldb_error(ldb, LDB_ERR_UNWILLING_TO_PERFORM, "modify forbidden on global catalog port");
364         }
365         ldb_request_add_control(req, DSDB_CONTROL_NO_GLOBAL_CATALOG, false, NULL);
366
367         ret = ldb_transaction_start(ldb);
368         if (ret != LDB_SUCCESS) {
369                 return ret;
370         }
371
372         if (!call->conn->is_privileged) {
373                 ldb_req_mark_untrusted(req);
374         }
375
376         LDB_REQ_SET_LOCATION(req);
377
378         ret = ldb_request(ldb, req);
379         if (ret == LDB_SUCCESS) {
380                 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
381         }
382
383         if (ret == LDB_SUCCESS) {
384                 ret = ldb_transaction_commit(ldb);
385         }
386         else {
387                 ldb_transaction_cancel(ldb);
388         }
389
390         talloc_free(req);
391         return ret;
392 }
393
394 /* create and execute a delete request */
395 static int ldapsrv_del_with_controls(struct ldapsrv_call *call,
396                                      struct ldb_dn *dn,
397                                      struct ldb_control **controls,
398                                      void *context)
399 {
400         struct ldb_context *ldb = call->conn->ldb;
401         struct ldb_request *req;
402         int ret;
403
404         ret = ldb_build_del_req(&req, ldb, ldb,
405                                         dn,
406                                         controls,
407                                         context,
408                                         ldb_modify_default_callback,
409                                         NULL);
410
411         if (ret != LDB_SUCCESS) return ret;
412
413         if (call->conn->global_catalog) {
414                 return ldb_error(ldb, LDB_ERR_UNWILLING_TO_PERFORM, "modify forbidden on global catalog port");
415         }
416         ldb_request_add_control(req, DSDB_CONTROL_NO_GLOBAL_CATALOG, false, NULL);
417
418         ret = ldb_transaction_start(ldb);
419         if (ret != LDB_SUCCESS) {
420                 return ret;
421         }
422
423         if (!call->conn->is_privileged) {
424                 ldb_req_mark_untrusted(req);
425         }
426
427         LDB_REQ_SET_LOCATION(req);
428
429         ret = ldb_request(ldb, req);
430         if (ret == LDB_SUCCESS) {
431                 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
432         }
433
434         if (ret == LDB_SUCCESS) {
435                 ret = ldb_transaction_commit(ldb);
436         }
437         else {
438                 ldb_transaction_cancel(ldb);
439         }
440
441         talloc_free(req);
442         return ret;
443 }
444
445 static int ldapsrv_rename_with_controls(struct ldapsrv_call *call,
446                                         struct ldb_dn *olddn,
447                                         struct ldb_dn *newdn,
448                                         struct ldb_control **controls,
449                                         void *context)
450 {
451         struct ldb_context *ldb = call->conn->ldb;
452         struct ldb_request *req;
453         int ret;
454
455         ret = ldb_build_rename_req(&req, ldb, ldb,
456                                         olddn,
457                                         newdn,
458                                         NULL,
459                                         context,
460                                         ldb_modify_default_callback,
461                                         NULL);
462
463         if (ret != LDB_SUCCESS) return ret;
464
465         if (call->conn->global_catalog) {
466                 return ldb_error(ldb, LDB_ERR_UNWILLING_TO_PERFORM, "modify forbidden on global catalog port");
467         }
468         ldb_request_add_control(req, DSDB_CONTROL_NO_GLOBAL_CATALOG, false, NULL);
469
470         ret = ldb_transaction_start(ldb);
471         if (ret != LDB_SUCCESS) {
472                 return ret;
473         }
474
475         if (!call->conn->is_privileged) {
476                 ldb_req_mark_untrusted(req);
477         }
478
479         LDB_REQ_SET_LOCATION(req);
480
481         ret = ldb_request(ldb, req);
482         if (ret == LDB_SUCCESS) {
483                 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
484         }
485
486         if (ret == LDB_SUCCESS) {
487                 ret = ldb_transaction_commit(ldb);
488         }
489         else {
490                 ldb_transaction_cancel(ldb);
491         }
492
493         talloc_free(req);
494         return ret;
495 }
496
497 static NTSTATUS ldapsrv_SearchRequest(struct ldapsrv_call *call)
498 {
499         struct ldap_SearchRequest *req = &call->request->r.SearchRequest;
500         struct ldap_SearchResEntry *ent;
501         struct ldap_Result *done;
502         struct ldapsrv_reply *ent_r, *done_r;
503         TALLOC_CTX *local_ctx;
504         struct ldb_context *samdb = talloc_get_type(call->conn->ldb, struct ldb_context);
505         struct ldb_dn *basedn;
506         struct ldb_result *res = NULL;
507         struct ldb_request *lreq;
508         struct ldb_control *search_control;
509         struct ldb_search_options_control *search_options;
510         struct ldb_control *extended_dn_control;
511         struct ldb_extended_dn_control *extended_dn_decoded = NULL;
512         enum ldb_scope scope = LDB_SCOPE_DEFAULT;
513         const char **attrs = NULL;
514         const char *scope_str, *errstr = NULL;
515         int success_limit = 1;
516         int result = -1;
517         int ldb_ret = -1;
518         unsigned int i, j;
519         int extended_type = 1;
520
521         DEBUG(10, ("SearchRequest"));
522         DEBUGADD(10, (" basedn: %s", req->basedn));
523         DEBUGADD(10, (" filter: %s\n", ldb_filter_from_tree(call, req->tree)));
524
525         local_ctx = talloc_new(call);
526         NT_STATUS_HAVE_NO_MEMORY(local_ctx);
527
528         basedn = ldb_dn_new(local_ctx, samdb, req->basedn);
529         NT_STATUS_HAVE_NO_MEMORY(basedn);
530
531         DEBUG(10, ("SearchRequest: basedn: [%s]\n", req->basedn));
532         DEBUG(10, ("SearchRequest: filter: [%s]\n", ldb_filter_from_tree(call, req->tree)));
533
534         switch (req->scope) {
535                 case LDAP_SEARCH_SCOPE_BASE:
536                         scope_str = "BASE";
537                         scope = LDB_SCOPE_BASE;
538                         success_limit = 0;
539                         break;
540                 case LDAP_SEARCH_SCOPE_SINGLE:
541                         scope_str = "ONE";
542                         scope = LDB_SCOPE_ONELEVEL;
543                         success_limit = 0;
544                         break;
545                 case LDAP_SEARCH_SCOPE_SUB:
546                         scope_str = "SUB";
547                         scope = LDB_SCOPE_SUBTREE;
548                         success_limit = 0;
549                         break;
550                 default:
551                         result = LDAP_PROTOCOL_ERROR;
552                         map_ldb_error(local_ctx, LDB_ERR_PROTOCOL_ERROR, NULL,
553                                 &errstr);
554                         errstr = talloc_asprintf(local_ctx,
555                                 "%s. Invalid scope", errstr);
556                         goto reply;
557         }
558         DEBUG(10,("SearchRequest: scope: [%s]\n", scope_str));
559
560         if (req->num_attributes >= 1) {
561                 attrs = talloc_array(local_ctx, const char *, req->num_attributes+1);
562                 NT_STATUS_HAVE_NO_MEMORY(attrs);
563
564                 for (i=0; i < req->num_attributes; i++) {
565                         DEBUG(10,("SearchRequest: attrs: [%s]\n",req->attributes[i]));
566                         attrs[i] = req->attributes[i];
567                 }
568                 attrs[i] = NULL;
569         }
570
571         DEBUG(5,("ldb_request %s dn=%s filter=%s\n", 
572                  scope_str, req->basedn, ldb_filter_from_tree(call, req->tree)));
573
574         res = talloc_zero(local_ctx, struct ldb_result);
575         NT_STATUS_HAVE_NO_MEMORY(res);
576
577         ldb_ret = ldb_build_search_req_ex(&lreq, samdb, local_ctx,
578                                           basedn, scope,
579                                           req->tree, attrs,
580                                           call->request->controls,
581                                           res, ldb_search_default_callback,
582                                           NULL);
583
584         if (ldb_ret != LDB_SUCCESS) {
585                 goto reply;
586         }
587
588         if (call->conn->global_catalog) {
589                 search_control = ldb_request_get_control(lreq, LDB_CONTROL_SEARCH_OPTIONS_OID);
590
591                 search_options = NULL;
592                 if (search_control) {
593                         search_options = talloc_get_type(search_control->data, struct ldb_search_options_control);
594                         search_options->search_options |= LDB_SEARCH_OPTION_PHANTOM_ROOT;
595                 } else {
596                         search_options = talloc(lreq, struct ldb_search_options_control);
597                         NT_STATUS_HAVE_NO_MEMORY(search_options);
598                         search_options->search_options = LDB_SEARCH_OPTION_PHANTOM_ROOT;
599                         ldb_request_add_control(lreq, LDB_CONTROL_SEARCH_OPTIONS_OID, false, search_options);
600                 }
601         } else {
602                 ldb_request_add_control(lreq, DSDB_CONTROL_NO_GLOBAL_CATALOG, false, NULL);
603         }
604
605         extended_dn_control = ldb_request_get_control(lreq, LDB_CONTROL_EXTENDED_DN_OID);
606
607         if (extended_dn_control) {
608                 if (extended_dn_control->data) {
609                         extended_dn_decoded = talloc_get_type(extended_dn_control->data, struct ldb_extended_dn_control);
610                         extended_type = extended_dn_decoded->type;
611                 } else {
612                         extended_type = 0;
613                 }
614         }
615
616         ldb_set_timeout(samdb, lreq, req->timelimit);
617
618         if (!call->conn->is_privileged) {
619                 ldb_req_mark_untrusted(lreq);
620         }
621
622         LDB_REQ_SET_LOCATION(lreq);
623
624         ldb_ret = ldb_request(samdb, lreq);
625
626         if (ldb_ret != LDB_SUCCESS) {
627                 goto reply;
628         }
629
630         ldb_ret = ldb_wait(lreq->handle, LDB_WAIT_ALL);
631
632         if (ldb_ret == LDB_SUCCESS) {
633                 for (i = 0; i < res->count; i++) {
634                         ent_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultEntry);
635                         NT_STATUS_HAVE_NO_MEMORY(ent_r);
636
637                         /* Better to have the whole message kept here,
638                          * than to find someone further up didn't put
639                          * a value in the right spot in the talloc tree */
640                         talloc_steal(ent_r, res->msgs[i]);
641                         
642                         ent = &ent_r->msg->r.SearchResultEntry;
643                         ent->dn = ldb_dn_get_extended_linearized(ent_r, res->msgs[i]->dn, extended_type);
644                         ent->num_attributes = 0;
645                         ent->attributes = NULL;
646                         if (res->msgs[i]->num_elements == 0) {
647                                 goto queue_reply;
648                         }
649                         ent->num_attributes = res->msgs[i]->num_elements;
650                         ent->attributes = talloc_array(ent_r, struct ldb_message_element, ent->num_attributes);
651                         NT_STATUS_HAVE_NO_MEMORY(ent->attributes);
652                         for (j=0; j < ent->num_attributes; j++) {
653                                 ent->attributes[j].name = res->msgs[i]->elements[j].name;
654                                 ent->attributes[j].num_values = 0;
655                                 ent->attributes[j].values = NULL;
656                                 if (req->attributesonly && (res->msgs[i]->elements[j].num_values == 0)) {
657                                         continue;
658                                 }
659                                 ent->attributes[j].num_values = res->msgs[i]->elements[j].num_values;
660                                 ent->attributes[j].values = res->msgs[i]->elements[j].values;
661                         }
662 queue_reply:
663                         ldapsrv_queue_reply(call, ent_r);
664                 }
665
666                 /* Send back referrals if they do exist (search operations) */
667                 if (res->refs != NULL) {
668                         char **ref;
669                         struct ldap_SearchResRef *ent_ref;
670
671                         for (ref = res->refs; *ref != NULL; ++ref) {
672                                 ent_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultReference);
673                                 NT_STATUS_HAVE_NO_MEMORY(ent_r);
674
675                                 /* Better to have the whole referrals kept here,
676                                  * than to find someone further up didn't put
677                                  * a value in the right spot in the talloc tree
678                                  */
679                                 talloc_steal(ent_r, *ref);
680
681                                 ent_ref = &ent_r->msg->r.SearchResultReference;
682                                 ent_ref->referral = *ref;
683
684                                 ldapsrv_queue_reply(call, ent_r);
685                         }
686                 }
687         }
688
689 reply:
690         done_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultDone);
691         NT_STATUS_HAVE_NO_MEMORY(done_r);
692
693         done = &done_r->msg->r.SearchResultDone;
694         done->dn = NULL;
695         done->referral = NULL;
696
697         if (result != -1) {
698         } else if (ldb_ret == LDB_SUCCESS) {
699                 if (res->count >= success_limit) {
700                         DEBUG(10,("SearchRequest: results: [%d]\n", res->count));
701                         result = LDAP_SUCCESS;
702                         errstr = NULL;
703                 }
704                 if (res->controls) {
705                         done_r->msg->controls = res->controls;
706                         talloc_steal(done_r, res->controls);
707                 }
708         } else {
709                 DEBUG(10,("SearchRequest: error\n"));
710                 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
711                                        &errstr);
712         }
713
714         done->resultcode = result;
715         done->errormessage = (errstr?talloc_strdup(done_r, errstr):NULL);
716
717         talloc_free(local_ctx);
718
719         ldapsrv_queue_reply(call, done_r);
720         return NT_STATUS_OK;
721 }
722
723 static NTSTATUS ldapsrv_ModifyRequest(struct ldapsrv_call *call)
724 {
725         struct ldap_ModifyRequest *req = &call->request->r.ModifyRequest;
726         struct ldap_Result *modify_result;
727         struct ldapsrv_reply *modify_reply;
728         TALLOC_CTX *local_ctx;
729         struct ldb_context *samdb = call->conn->ldb;
730         struct ldb_message *msg = NULL;
731         struct ldb_dn *dn;
732         const char *errstr = NULL;
733         int result = LDAP_SUCCESS;
734         int ldb_ret;
735         unsigned int i,j;
736         struct ldb_result *res = NULL;
737
738         DEBUG(10, ("ModifyRequest"));
739         DEBUGADD(10, (" dn: %s\n", req->dn));
740
741         local_ctx = talloc_named(call, 0, "ModifyRequest local memory context");
742         NT_STATUS_HAVE_NO_MEMORY(local_ctx);
743
744         dn = ldb_dn_new(local_ctx, samdb, req->dn);
745         NT_STATUS_HAVE_NO_MEMORY(dn);
746
747         DEBUG(10, ("ModifyRequest: dn: [%s]\n", req->dn));
748
749         msg = talloc(local_ctx, struct ldb_message);
750         NT_STATUS_HAVE_NO_MEMORY(msg);
751
752         msg->dn = dn;
753         msg->num_elements = 0;
754         msg->elements = NULL;
755
756         if (req->num_mods > 0) {
757                 msg->num_elements = req->num_mods;
758                 msg->elements = talloc_array(msg, struct ldb_message_element, req->num_mods);
759                 NT_STATUS_HAVE_NO_MEMORY(msg->elements);
760
761                 for (i=0; i < msg->num_elements; i++) {
762                         msg->elements[i].name = discard_const_p(char, req->mods[i].attrib.name);
763                         msg->elements[i].num_values = 0;
764                         msg->elements[i].values = NULL;
765
766                         switch (req->mods[i].type) {
767                         default:
768                                 result = LDAP_PROTOCOL_ERROR;
769                                 map_ldb_error(local_ctx,
770                                         LDB_ERR_PROTOCOL_ERROR, NULL, &errstr);
771                                 errstr = talloc_asprintf(local_ctx,
772                                         "%s. Invalid LDAP_MODIFY_* type", errstr);
773                                 goto reply;
774                         case LDAP_MODIFY_ADD:
775                                 msg->elements[i].flags = LDB_FLAG_MOD_ADD;
776                                 break;
777                         case LDAP_MODIFY_DELETE:
778                                 msg->elements[i].flags = LDB_FLAG_MOD_DELETE;
779                                 break;
780                         case LDAP_MODIFY_REPLACE:
781                                 msg->elements[i].flags = LDB_FLAG_MOD_REPLACE;
782                                 break;
783                         }
784
785                         msg->elements[i].num_values = req->mods[i].attrib.num_values;
786                         if (msg->elements[i].num_values > 0) {
787                                 msg->elements[i].values = talloc_array(msg->elements, struct ldb_val,
788                                                                        msg->elements[i].num_values);
789                                 NT_STATUS_HAVE_NO_MEMORY(msg->elements[i].values);
790
791                                 for (j=0; j < msg->elements[i].num_values; j++) {
792                                         msg->elements[i].values[j].length = req->mods[i].attrib.values[j].length;
793                                         msg->elements[i].values[j].data = req->mods[i].attrib.values[j].data;                   
794                                 }
795                         }
796                 }
797         }
798
799 reply:
800         modify_reply = ldapsrv_init_reply(call, LDAP_TAG_ModifyResponse);
801         NT_STATUS_HAVE_NO_MEMORY(modify_reply);
802
803         if (result == LDAP_SUCCESS) {
804                 res = talloc_zero(local_ctx, struct ldb_result);
805                 NT_STATUS_HAVE_NO_MEMORY(res);
806                 ldb_ret = ldapsrv_mod_with_controls(call, msg, call->request->controls, res);
807                 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
808                                        &errstr);
809         }
810
811         modify_result = &modify_reply->msg->r.ModifyResponse;
812         modify_result->dn = NULL;
813         if ((res != NULL) && (res->refs != NULL)) {
814                 modify_result->resultcode = map_ldb_error(local_ctx,
815                                                           LDB_ERR_REFERRAL,
816                                                           NULL, &errstr);
817                 modify_result->errormessage = (errstr?talloc_strdup(modify_reply, errstr):NULL);
818                 modify_result->referral = talloc_strdup(call, *res->refs);
819         } else {
820                 modify_result->resultcode = result;
821                 modify_result->errormessage = (errstr?talloc_strdup(modify_reply, errstr):NULL);
822                 modify_result->referral = NULL;
823         }
824         talloc_free(local_ctx);
825
826         ldapsrv_queue_reply(call, modify_reply);
827         return NT_STATUS_OK;
828
829 }
830
831 static NTSTATUS ldapsrv_AddRequest(struct ldapsrv_call *call)
832 {
833         struct ldap_AddRequest *req = &call->request->r.AddRequest;
834         struct ldap_Result *add_result;
835         struct ldapsrv_reply *add_reply;
836         TALLOC_CTX *local_ctx;
837         struct ldb_context *samdb = call->conn->ldb;
838         struct ldb_message *msg = NULL;
839         struct ldb_dn *dn;
840         const char *errstr = NULL;
841         int result = LDAP_SUCCESS;
842         int ldb_ret;
843         unsigned int i,j;
844         struct ldb_result *res = NULL;
845
846         DEBUG(10, ("AddRequest"));
847         DEBUGADD(10, (" dn: %s\n", req->dn));
848
849         local_ctx = talloc_named(call, 0, "AddRequest local memory context");
850         NT_STATUS_HAVE_NO_MEMORY(local_ctx);
851
852         dn = ldb_dn_new(local_ctx, samdb, req->dn);
853         NT_STATUS_HAVE_NO_MEMORY(dn);
854
855         DEBUG(10, ("AddRequest: dn: [%s]\n", req->dn));
856
857         msg = talloc(local_ctx, struct ldb_message);
858         NT_STATUS_HAVE_NO_MEMORY(msg);
859
860         msg->dn = dn;
861         msg->num_elements = 0;
862         msg->elements = NULL;
863
864         if (req->num_attributes > 0) {
865                 msg->num_elements = req->num_attributes;
866                 msg->elements = talloc_array(msg, struct ldb_message_element, msg->num_elements);
867                 NT_STATUS_HAVE_NO_MEMORY(msg->elements);
868
869                 for (i=0; i < msg->num_elements; i++) {
870                         msg->elements[i].name = discard_const_p(char, req->attributes[i].name);
871                         msg->elements[i].flags = 0;
872                         msg->elements[i].num_values = 0;
873                         msg->elements[i].values = NULL;
874                         
875                         if (req->attributes[i].num_values > 0) {
876                                 msg->elements[i].num_values = req->attributes[i].num_values;
877                                 msg->elements[i].values = talloc_array(msg->elements, struct ldb_val,
878                                                                        msg->elements[i].num_values);
879                                 NT_STATUS_HAVE_NO_MEMORY(msg->elements[i].values);
880
881                                 for (j=0; j < msg->elements[i].num_values; j++) {
882                                         msg->elements[i].values[j].length = req->attributes[i].values[j].length;
883                                         msg->elements[i].values[j].data = req->attributes[i].values[j].data;                    
884                                 }
885                         }
886                 }
887         }
888
889         add_reply = ldapsrv_init_reply(call, LDAP_TAG_AddResponse);
890         NT_STATUS_HAVE_NO_MEMORY(add_reply);
891
892         if (result == LDAP_SUCCESS) {
893                 res = talloc_zero(local_ctx, struct ldb_result);
894                 NT_STATUS_HAVE_NO_MEMORY(res);
895                 ldb_ret = ldapsrv_add_with_controls(call, msg, call->request->controls, res);
896                 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
897                                        &errstr);
898         }
899
900         add_result = &add_reply->msg->r.AddResponse;
901         add_result->dn = NULL;
902         if ((res != NULL) && (res->refs != NULL)) {
903                 add_result->resultcode =  map_ldb_error(local_ctx,
904                                                         LDB_ERR_REFERRAL, NULL,
905                                                         &errstr);
906                 add_result->errormessage = (errstr?talloc_strdup(add_reply,errstr):NULL);
907                 add_result->referral = talloc_strdup(call, *res->refs);
908         } else {
909                 add_result->resultcode = result;
910                 add_result->errormessage = (errstr?talloc_strdup(add_reply,errstr):NULL);
911                 add_result->referral = NULL;
912         }
913         talloc_free(local_ctx);
914
915         ldapsrv_queue_reply(call, add_reply);
916         return NT_STATUS_OK;
917
918 }
919
920 static NTSTATUS ldapsrv_DelRequest(struct ldapsrv_call *call)
921 {
922         struct ldap_DelRequest *req = &call->request->r.DelRequest;
923         struct ldap_Result *del_result;
924         struct ldapsrv_reply *del_reply;
925         TALLOC_CTX *local_ctx;
926         struct ldb_context *samdb = call->conn->ldb;
927         struct ldb_dn *dn;
928         const char *errstr = NULL;
929         int result = LDAP_SUCCESS;
930         int ldb_ret;
931         struct ldb_result *res = NULL;
932
933         DEBUG(10, ("DelRequest"));
934         DEBUGADD(10, (" dn: %s\n", req->dn));
935
936         local_ctx = talloc_named(call, 0, "DelRequest local memory context");
937         NT_STATUS_HAVE_NO_MEMORY(local_ctx);
938
939         dn = ldb_dn_new(local_ctx, samdb, req->dn);
940         NT_STATUS_HAVE_NO_MEMORY(dn);
941
942         DEBUG(10, ("DelRequest: dn: [%s]\n", req->dn));
943
944         del_reply = ldapsrv_init_reply(call, LDAP_TAG_DelResponse);
945         NT_STATUS_HAVE_NO_MEMORY(del_reply);
946
947         if (result == LDAP_SUCCESS) {
948                 res = talloc_zero(local_ctx, struct ldb_result);
949                 NT_STATUS_HAVE_NO_MEMORY(res);
950                 ldb_ret = ldapsrv_del_with_controls(call, dn, call->request->controls, res);
951                 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
952                                        &errstr);
953         }
954
955         del_result = &del_reply->msg->r.DelResponse;
956         del_result->dn = NULL;
957         if ((res != NULL) && (res->refs != NULL)) {
958                 del_result->resultcode = map_ldb_error(local_ctx,
959                                                        LDB_ERR_REFERRAL, NULL,
960                                                        &errstr);
961                 del_result->errormessage = (errstr?talloc_strdup(del_reply,errstr):NULL);
962                 del_result->referral = talloc_strdup(call, *res->refs);
963         } else {
964                 del_result->resultcode = result;
965                 del_result->errormessage = (errstr?talloc_strdup(del_reply,errstr):NULL);
966                 del_result->referral = NULL;
967         }
968
969         talloc_free(local_ctx);
970
971         ldapsrv_queue_reply(call, del_reply);
972         return NT_STATUS_OK;
973 }
974
975 static NTSTATUS ldapsrv_ModifyDNRequest(struct ldapsrv_call *call)
976 {
977         struct ldap_ModifyDNRequest *req = &call->request->r.ModifyDNRequest;
978         struct ldap_Result *modifydn;
979         struct ldapsrv_reply *modifydn_r;
980         TALLOC_CTX *local_ctx;
981         struct ldb_context *samdb = call->conn->ldb;
982         struct ldb_dn *olddn, *newdn=NULL, *newrdn;
983         struct ldb_dn *parentdn = NULL;
984         const char *errstr = NULL;
985         int result = LDAP_SUCCESS;
986         int ldb_ret;
987         struct ldb_result *res = NULL;
988
989         DEBUG(10, ("ModifyDNRequest"));
990         DEBUGADD(10, (" dn: %s", req->dn));
991         DEBUGADD(10, (" newrdn: %s\n", req->newrdn));
992
993         local_ctx = talloc_named(call, 0, "ModifyDNRequest local memory context");
994         NT_STATUS_HAVE_NO_MEMORY(local_ctx);
995
996         olddn = ldb_dn_new(local_ctx, samdb, req->dn);
997         NT_STATUS_HAVE_NO_MEMORY(olddn);
998
999         newrdn = ldb_dn_new(local_ctx, samdb, req->newrdn);
1000         NT_STATUS_HAVE_NO_MEMORY(newrdn);
1001
1002         DEBUG(10, ("ModifyDNRequest: olddn: [%s]\n", req->dn));
1003         DEBUG(10, ("ModifyDNRequest: newrdn: [%s]\n", req->newrdn));
1004
1005         if (ldb_dn_get_comp_num(newrdn) == 0) {
1006                 result = LDAP_PROTOCOL_ERROR;
1007                 map_ldb_error(local_ctx, LDB_ERR_PROTOCOL_ERROR, NULL,
1008                               &errstr);
1009                 goto reply;
1010         }
1011
1012         if (ldb_dn_get_comp_num(newrdn) > 1) {
1013                 result = LDAP_NAMING_VIOLATION;
1014                 map_ldb_error(local_ctx, LDB_ERR_NAMING_VIOLATION, NULL,
1015                               &errstr);
1016                 goto reply;
1017         }
1018
1019         /* we can't handle the rename if we should not remove the old dn */
1020         if (!req->deleteolddn) {
1021                 result = LDAP_UNWILLING_TO_PERFORM;
1022                 map_ldb_error(local_ctx, LDB_ERR_UNWILLING_TO_PERFORM, NULL,
1023                               &errstr);
1024                 errstr = talloc_asprintf(local_ctx,
1025                         "%s. Old RDN must be deleted", errstr);
1026                 goto reply;
1027         }
1028
1029         if (req->newsuperior) {
1030                 DEBUG(10, ("ModifyDNRequest: newsuperior: [%s]\n", req->newsuperior));
1031                 parentdn = ldb_dn_new(local_ctx, samdb, req->newsuperior);
1032         }
1033
1034         if (!parentdn) {
1035                 parentdn = ldb_dn_get_parent(local_ctx, olddn);
1036         }
1037         if (!parentdn) {
1038                 result = LDAP_NO_SUCH_OBJECT;
1039                 map_ldb_error(local_ctx, LDB_ERR_NO_SUCH_OBJECT, NULL, &errstr);
1040                 goto reply;
1041         }
1042
1043         if ( ! ldb_dn_add_child(parentdn, newrdn)) {
1044                 result = LDAP_OTHER;
1045                 map_ldb_error(local_ctx, LDB_ERR_OTHER, NULL, &errstr);
1046                 goto reply;
1047         }
1048         newdn = parentdn;
1049
1050 reply:
1051         modifydn_r = ldapsrv_init_reply(call, LDAP_TAG_ModifyDNResponse);
1052         NT_STATUS_HAVE_NO_MEMORY(modifydn_r);
1053
1054         if (result == LDAP_SUCCESS) {
1055                 res = talloc_zero(local_ctx, struct ldb_result);
1056                 NT_STATUS_HAVE_NO_MEMORY(res);
1057                 ldb_ret = ldapsrv_rename_with_controls(call, olddn, newdn, call->request->controls, res);
1058                 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
1059                                        &errstr);
1060         }
1061
1062         modifydn = &modifydn_r->msg->r.ModifyDNResponse;
1063         modifydn->dn = NULL;
1064         if ((res != NULL) && (res->refs != NULL)) {
1065                 modifydn->resultcode = map_ldb_error(local_ctx,
1066                                                      LDB_ERR_REFERRAL, NULL,
1067                                                      &errstr);;
1068                 modifydn->errormessage = (errstr?talloc_strdup(modifydn_r,errstr):NULL);
1069                 modifydn->referral = talloc_strdup(call, *res->refs);
1070         } else {
1071                 modifydn->resultcode = result;
1072                 modifydn->errormessage = (errstr?talloc_strdup(modifydn_r,errstr):NULL);
1073                 modifydn->referral = NULL;
1074         }
1075
1076         talloc_free(local_ctx);
1077
1078         ldapsrv_queue_reply(call, modifydn_r);
1079         return NT_STATUS_OK;
1080 }
1081
1082 static NTSTATUS ldapsrv_CompareRequest(struct ldapsrv_call *call)
1083 {
1084         struct ldap_CompareRequest *req = &call->request->r.CompareRequest;
1085         struct ldap_Result *compare;
1086         struct ldapsrv_reply *compare_r;
1087         TALLOC_CTX *local_ctx;
1088         struct ldb_context *samdb = call->conn->ldb;
1089         struct ldb_result *res = NULL;
1090         struct ldb_dn *dn;
1091         const char *attrs[1];
1092         const char *errstr = NULL;
1093         const char *filter = NULL;
1094         int result = LDAP_SUCCESS;
1095         int ldb_ret;
1096
1097         DEBUG(10, ("CompareRequest"));
1098         DEBUGADD(10, (" dn: %s\n", req->dn));
1099
1100         local_ctx = talloc_named(call, 0, "CompareRequest local_memory_context");
1101         NT_STATUS_HAVE_NO_MEMORY(local_ctx);
1102
1103         dn = ldb_dn_new(local_ctx, samdb, req->dn);
1104         NT_STATUS_HAVE_NO_MEMORY(dn);
1105
1106         DEBUG(10, ("CompareRequest: dn: [%s]\n", req->dn));
1107         filter = talloc_asprintf(local_ctx, "(%s=%*s)", req->attribute, 
1108                                  (int)req->value.length, req->value.data);
1109         NT_STATUS_HAVE_NO_MEMORY(filter);
1110
1111         DEBUGADD(10, ("CompareRequest: attribute: [%s]\n", filter));
1112
1113         attrs[0] = NULL;
1114
1115         compare_r = ldapsrv_init_reply(call, LDAP_TAG_CompareResponse);
1116         NT_STATUS_HAVE_NO_MEMORY(compare_r);
1117
1118         if (result == LDAP_SUCCESS) {
1119                 ldb_ret = ldb_search(samdb, local_ctx, &res,
1120                                      dn, LDB_SCOPE_BASE, attrs, "%s", filter);
1121                 if (ldb_ret != LDB_SUCCESS) {
1122                         result = map_ldb_error(local_ctx, ldb_ret,
1123                                                ldb_errstring(samdb), &errstr);
1124                         DEBUG(10,("CompareRequest: error: %s\n", errstr));
1125                 } else if (res->count == 0) {
1126                         DEBUG(10,("CompareRequest: doesn't matched\n"));
1127                         result = LDAP_COMPARE_FALSE;
1128                         errstr = NULL;
1129                 } else if (res->count == 1) {
1130                         DEBUG(10,("CompareRequest: matched\n"));
1131                         result = LDAP_COMPARE_TRUE;
1132                         errstr = NULL;
1133                 } else if (res->count > 1) {
1134                         result = LDAP_OTHER;
1135                         map_ldb_error(local_ctx, LDB_ERR_OTHER, NULL, &errstr);
1136                         errstr = talloc_asprintf(local_ctx,
1137                                 "%s. Too many objects match!", errstr);
1138                         DEBUG(10,("CompareRequest: %d results: %s\n", res->count, errstr));
1139                 }
1140         }
1141
1142         compare = &compare_r->msg->r.CompareResponse;
1143         compare->dn = NULL;
1144         compare->resultcode = result;
1145         compare->errormessage = (errstr?talloc_strdup(compare_r,errstr):NULL);
1146         compare->referral = NULL;
1147
1148         talloc_free(local_ctx);
1149
1150         ldapsrv_queue_reply(call, compare_r);
1151         return NT_STATUS_OK;
1152 }
1153
1154 static NTSTATUS ldapsrv_AbandonRequest(struct ldapsrv_call *call)
1155 {
1156 /*      struct ldap_AbandonRequest *req = &call->request.r.AbandonRequest;*/
1157         DEBUG(10, ("AbandonRequest\n"));
1158         return NT_STATUS_OK;
1159 }
1160
1161 NTSTATUS ldapsrv_do_call(struct ldapsrv_call *call)
1162 {
1163         unsigned int i;
1164         struct ldap_message *msg = call->request;
1165         struct ldb_context *samdb = call->conn->ldb;
1166         NTSTATUS status;
1167         time_t *lastts;
1168         /* Check for undecoded critical extensions */
1169         for (i=0; msg->controls && msg->controls[i]; i++) {
1170                 if (!msg->controls_decoded[i] && 
1171                     msg->controls[i]->critical) {
1172                         DEBUG(3, ("ldapsrv_do_call: Critical extension %s is not known to this server\n",
1173                                   msg->controls[i]->oid));
1174                         return ldapsrv_unwilling(call, LDAP_UNAVAILABLE_CRITICAL_EXTENSION);
1175                 }
1176         }
1177
1178         switch(call->request->type) {
1179         case LDAP_TAG_BindRequest:
1180                 return ldapsrv_BindRequest(call);
1181         case LDAP_TAG_UnbindRequest:
1182                 return ldapsrv_UnbindRequest(call);
1183         case LDAP_TAG_SearchRequest:
1184                 return ldapsrv_SearchRequest(call);
1185         case LDAP_TAG_ModifyRequest:
1186                 status = ldapsrv_ModifyRequest(call);
1187                 break;
1188         case LDAP_TAG_AddRequest:
1189                 status = ldapsrv_AddRequest(call);
1190                 break;
1191         case LDAP_TAG_DelRequest:
1192                 return ldapsrv_DelRequest(call);
1193         case LDAP_TAG_ModifyDNRequest:
1194                 return ldapsrv_ModifyDNRequest(call);
1195         case LDAP_TAG_CompareRequest:
1196                 return ldapsrv_CompareRequest(call);
1197         case LDAP_TAG_AbandonRequest:
1198                 return ldapsrv_AbandonRequest(call);
1199         case LDAP_TAG_ExtendedRequest:
1200                 return ldapsrv_ExtendedRequest(call);
1201         default:
1202                 return ldapsrv_unwilling(call, LDAP_PROTOCOL_ERROR);
1203         }
1204
1205         if (NT_STATUS_IS_OK(status)) {
1206                 lastts = (time_t *)ldb_get_opaque(samdb, DSDB_OPAQUE_LAST_SCHEMA_UPDATE_MSG_OPAQUE_NAME);
1207                 if (lastts && !*lastts) {
1208                         DEBUG(10, ("Schema update now was requested, "
1209                                 "fullfilling the request ts = %d\n",
1210                                 (int)*lastts));
1211                         /*
1212                         * Just requesting the schema will do the trick
1213                         * as the delay for reload is experied, we will have a reload
1214                         * from the schema as expected as we are not yet in a transaction!
1215                         */
1216                         dsdb_get_schema(samdb, NULL);
1217                         *lastts = time(NULL);
1218                         ldb_set_opaque(samdb, DSDB_OPAQUE_LAST_SCHEMA_UPDATE_MSG_OPAQUE_NAME, lastts);
1219                 }
1220         }
1221         return status;
1222 }