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s4/drs-tests:Blackbox test to verify DsReplicaSync handling
[Samba.git] / source4 / ldap_server / ldap_backend.c
blobe96caa6b07ef51c913e8a1397d6108cc304da70d
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 #define VALID_DN_SYNTAX(dn) do {\
34 if (!(dn)) {\
35 return NT_STATUS_NO_MEMORY;\
36 } else if ( ! ldb_dn_validate(dn)) {\
37 result = LDAP_INVALID_DN_SYNTAX;\
38 map_ldb_error(local_ctx, LDB_ERR_INVALID_DN_SYNTAX, NULL,\
39 &errstr);\
40 goto reply;\
41 }\
42 } while(0)
43
44 static int map_ldb_error(TALLOC_CTX *mem_ctx, int ldb_err,
45 const char *add_err_string, const char **errstring)
46 {
47 WERROR err;
48
49 /* Certain LDB modules need to return very special WERROR codes. Proof
50 * for them here and if they exist skip the rest of the mapping. */
51 if (add_err_string != NULL) {
52 char *endptr;
53 strtol(add_err_string, &endptr, 16);
54 if (endptr != add_err_string) {
55 *errstring = add_err_string;
56 return ldb_err;
57 }
58 }
59
60 /* Otherwise we calculate here a generic, but appropriate WERROR. */
61
62 switch (ldb_err) {
63 case LDB_SUCCESS:
64 err = WERR_OK;
65 break;
66 case LDB_ERR_OPERATIONS_ERROR:
67 err = WERR_DS_OPERATIONS_ERROR;
68 break;
69 case LDB_ERR_PROTOCOL_ERROR:
70 err = WERR_DS_PROTOCOL_ERROR;
71 break;
72 case LDB_ERR_TIME_LIMIT_EXCEEDED:
73 err = WERR_DS_TIMELIMIT_EXCEEDED;
74 break;
75 case LDB_ERR_SIZE_LIMIT_EXCEEDED:
76 err = WERR_DS_SIZELIMIT_EXCEEDED;
77 break;
78 case LDB_ERR_COMPARE_FALSE:
79 err = WERR_DS_COMPARE_FALSE;
80 break;
81 case LDB_ERR_COMPARE_TRUE:
82 err = WERR_DS_COMPARE_TRUE;
83 break;
84 case LDB_ERR_AUTH_METHOD_NOT_SUPPORTED:
85 err = WERR_DS_AUTH_METHOD_NOT_SUPPORTED;
86 break;
87 case LDB_ERR_STRONG_AUTH_REQUIRED:
88 err = WERR_DS_STRONG_AUTH_REQUIRED;
89 break;
90 case LDB_ERR_REFERRAL:
91 err = WERR_DS_REFERRAL;
92 break;
93 case LDB_ERR_ADMIN_LIMIT_EXCEEDED:
94 err = WERR_DS_ADMIN_LIMIT_EXCEEDED;
95 break;
96 case LDB_ERR_UNSUPPORTED_CRITICAL_EXTENSION:
97 err = WERR_DS_UNAVAILABLE_CRIT_EXTENSION;
98 break;
99 case LDB_ERR_CONFIDENTIALITY_REQUIRED:
100 err = WERR_DS_CONFIDENTIALITY_REQUIRED;
101 break;
102 case LDB_ERR_SASL_BIND_IN_PROGRESS:
103 err = WERR_DS_BUSY;
104 break;
105 case LDB_ERR_NO_SUCH_ATTRIBUTE:
106 err = WERR_DS_NO_ATTRIBUTE_OR_VALUE;
107 break;
108 case LDB_ERR_UNDEFINED_ATTRIBUTE_TYPE:
109 err = WERR_DS_ATTRIBUTE_TYPE_UNDEFINED;
110 break;
111 case LDB_ERR_INAPPROPRIATE_MATCHING:
112 err = WERR_DS_INAPPROPRIATE_MATCHING;
113 break;
114 case LDB_ERR_CONSTRAINT_VIOLATION:
115 err = WERR_DS_CONSTRAINT_VIOLATION;
116 break;
117 case LDB_ERR_ATTRIBUTE_OR_VALUE_EXISTS:
118 err = WERR_DS_ATTRIBUTE_OR_VALUE_EXISTS;
119 break;
120 case LDB_ERR_INVALID_ATTRIBUTE_SYNTAX:
121 err = WERR_DS_INVALID_ATTRIBUTE_SYNTAX;
122 break;
123 case LDB_ERR_NO_SUCH_OBJECT:
124 err = WERR_DS_NO_SUCH_OBJECT;
125 break;
126 case LDB_ERR_ALIAS_PROBLEM:
127 err = WERR_DS_ALIAS_PROBLEM;
128 break;
129 case LDB_ERR_INVALID_DN_SYNTAX:
130 err = WERR_DS_INVALID_DN_SYNTAX;
131 break;
132 case LDB_ERR_ALIAS_DEREFERENCING_PROBLEM:
133 err = WERR_DS_ALIAS_DEREF_PROBLEM;
134 break;
135 case LDB_ERR_INAPPROPRIATE_AUTHENTICATION:
136 err = WERR_DS_INAPPROPRIATE_AUTH;
137 break;
138 case LDB_ERR_INVALID_CREDENTIALS:
139 err = WERR_ACCESS_DENIED;
140 break;
141 case LDB_ERR_INSUFFICIENT_ACCESS_RIGHTS:
142 err = WERR_DS_INSUFF_ACCESS_RIGHTS;
143 break;
144 case LDB_ERR_BUSY:
145 err = WERR_DS_BUSY;
146 break;
147 case LDB_ERR_UNAVAILABLE:
148 err = WERR_DS_UNAVAILABLE;
149 break;
150 case LDB_ERR_UNWILLING_TO_PERFORM:
151 err = WERR_DS_UNWILLING_TO_PERFORM;
152 break;
153 case LDB_ERR_LOOP_DETECT:
154 err = WERR_DS_LOOP_DETECT;
155 break;
156 case LDB_ERR_NAMING_VIOLATION:
157 err = WERR_DS_NAMING_VIOLATION;
158 break;
159 case LDB_ERR_OBJECT_CLASS_VIOLATION:
160 err = WERR_DS_OBJ_CLASS_VIOLATION;
161 break;
162 case LDB_ERR_NOT_ALLOWED_ON_NON_LEAF:
163 err = WERR_DS_CANT_ON_NON_LEAF;
164 break;
165 case LDB_ERR_NOT_ALLOWED_ON_RDN:
166 err = WERR_DS_CANT_ON_RDN;
167 break;
168 case LDB_ERR_ENTRY_ALREADY_EXISTS:
169 err = WERR_DS_OBJ_STRING_NAME_EXISTS;
170 break;
171 case LDB_ERR_OBJECT_CLASS_MODS_PROHIBITED:
172 err = WERR_DS_CANT_MOD_OBJ_CLASS;
173 break;
174 case LDB_ERR_AFFECTS_MULTIPLE_DSAS:
175 err = WERR_DS_AFFECTS_MULTIPLE_DSAS;
176 break;
177 default:
178 err = WERR_DS_GENERIC_ERROR;
179 break;
180 }
181
182 *errstring = talloc_asprintf(mem_ctx, "%08X: %s", W_ERROR_V(err),
183 ldb_strerror(ldb_err));
184 if (add_err_string != NULL) {
185 *errstring = talloc_asprintf(mem_ctx, "%s - %s", *errstring,
186 add_err_string);
187 }
188
189 /* result is 1:1 for now */
190 return ldb_err;
191 }
192
193 /*
194 connect to the sam database
195 */
196 NTSTATUS ldapsrv_backend_Init(struct ldapsrv_connection *conn)
197 {
198 conn->ldb = samdb_connect(conn,
199 conn->connection->event.ctx,
200 conn->lp_ctx,
201 conn->session_info,
202 conn->global_catalog ? LDB_FLG_RDONLY : 0);
203 if (conn->ldb == NULL) {
204 return NT_STATUS_INTERNAL_DB_CORRUPTION;
205 }
206
207 if (conn->server_credentials) {
208 char **sasl_mechs = NULL;
209 struct gensec_security_ops **backends = gensec_security_all();
210 struct gensec_security_ops **ops
211 = gensec_use_kerberos_mechs(conn, backends, conn->server_credentials);
212 unsigned int i, j = 0;
213 for (i = 0; ops && ops[i]; i++) {
214 if (!lpcfg_parm_bool(conn->lp_ctx, NULL, "gensec", ops[i]->name, ops[i]->enabled))
215 continue;
216
217 if (ops[i]->sasl_name && ops[i]->server_start) {
218 char *sasl_name = talloc_strdup(conn, ops[i]->sasl_name);
219
220 if (!sasl_name) {
221 return NT_STATUS_NO_MEMORY;
222 }
223 sasl_mechs = talloc_realloc(conn, sasl_mechs, char *, j + 2);
224 if (!sasl_mechs) {
225 return NT_STATUS_NO_MEMORY;
226 }
227 sasl_mechs[j] = sasl_name;
228 talloc_steal(sasl_mechs, sasl_name);
229 sasl_mechs[j+1] = NULL;
230 j++;
231 }
232 }
233 talloc_unlink(conn, ops);
234
235 /* ldb can have a different lifetime to conn, so we
236 need to ensure that sasl_mechs lives as long as the
237 ldb does */
238 talloc_steal(conn->ldb, sasl_mechs);
239
240 ldb_set_opaque(conn->ldb, "supportedSASLMechanisms", sasl_mechs);
241 }
242
243 return NT_STATUS_OK;
244 }
245
246 struct ldapsrv_reply *ldapsrv_init_reply(struct ldapsrv_call *call, uint8_t type)
247 {
248 struct ldapsrv_reply *reply;
249
250 reply = talloc(call, struct ldapsrv_reply);
251 if (!reply) {
252 return NULL;
253 }
254 reply->msg = talloc(reply, struct ldap_message);
255 if (reply->msg == NULL) {
256 talloc_free(reply);
257 return NULL;
258 }
259
260 reply->msg->messageid = call->request->messageid;
261 reply->msg->type = type;
262 reply->msg->controls = NULL;
263
264 return reply;
265 }
266
267 void ldapsrv_queue_reply(struct ldapsrv_call *call, struct ldapsrv_reply *reply)
268 {
269 DLIST_ADD_END(call->replies, reply, struct ldapsrv_reply *);
270 }
271
272 static NTSTATUS ldapsrv_unwilling(struct ldapsrv_call *call, int error)
273 {
274 struct ldapsrv_reply *reply;
275 struct ldap_ExtendedResponse *r;
276
277 DEBUG(10,("Unwilling type[%d] id[%d]\n", call->request->type, call->request->messageid));
278
279 reply = ldapsrv_init_reply(call, LDAP_TAG_ExtendedResponse);
280 if (!reply) {
281 return NT_STATUS_NO_MEMORY;
282 }
283
284 r = &reply->msg->r.ExtendedResponse;
285 r->response.resultcode = error;
286 r->response.dn = NULL;
287 r->response.errormessage = NULL;
288 r->response.referral = NULL;
289 r->oid = NULL;
290 r->value = NULL;
291
292 ldapsrv_queue_reply(call, reply);
293 return NT_STATUS_OK;
294 }
295
296 static int ldapsrv_add_with_controls(struct ldapsrv_call *call,
297 const struct ldb_message *message,
298 struct ldb_control **controls,
299 void *context)
300 {
301 struct ldb_context *ldb = call->conn->ldb;
302 struct ldb_request *req;
303 int ret;
304
305 ret = ldb_msg_sanity_check(ldb, message);
306 if (ret != LDB_SUCCESS) {
307 return ret;
308 }
309
310 ret = ldb_build_add_req(&req, ldb, ldb,
311 message,
312 controls,
313 context,
314 ldb_modify_default_callback,
315 NULL);
316
317 if (ret != LDB_SUCCESS) return ret;
318
319 ret = ldb_transaction_start(ldb);
320 if (ret != LDB_SUCCESS) {
321 return ret;
322 }
323
324 if (!call->conn->is_privileged) {
325 ldb_req_mark_untrusted(req);
326 }
327
328 LDB_REQ_SET_LOCATION(req);
329
330 ret = ldb_request(ldb, req);
331 if (ret == LDB_SUCCESS) {
332 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
333 }
334
335 if (ret == LDB_SUCCESS) {
336 ret = ldb_transaction_commit(ldb);
337 }
338 else {
339 ldb_transaction_cancel(ldb);
340 }
341
342 talloc_free(req);
343 return ret;
344 }
345
346 /* create and execute a modify request */
347 static int ldapsrv_mod_with_controls(struct ldapsrv_call *call,
348 const struct ldb_message *message,
349 struct ldb_control **controls,
350 void *context)
351 {
352 struct ldb_context *ldb = call->conn->ldb;
353 struct ldb_request *req;
354 int ret;
355
356 ret = ldb_msg_sanity_check(ldb, message);
357 if (ret != LDB_SUCCESS) {
358 return ret;
359 }
360
361 ret = ldb_build_mod_req(&req, ldb, ldb,
362 message,
363 controls,
364 context,
365 ldb_modify_default_callback,
366 NULL);
367
368 if (ret != LDB_SUCCESS) {
369 return ret;
370 }
371
372 ret = ldb_transaction_start(ldb);
373 if (ret != LDB_SUCCESS) {
374 return ret;
375 }
376
377 if (!call->conn->is_privileged) {
378 ldb_req_mark_untrusted(req);
379 }
380
381 LDB_REQ_SET_LOCATION(req);
382
383 ret = ldb_request(ldb, req);
384 if (ret == LDB_SUCCESS) {
385 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
386 }
387
388 if (ret == LDB_SUCCESS) {
389 ret = ldb_transaction_commit(ldb);
390 }
391 else {
392 ldb_transaction_cancel(ldb);
393 }
394
395 talloc_free(req);
396 return ret;
397 }
398
399 /* create and execute a delete request */
400 static int ldapsrv_del_with_controls(struct ldapsrv_call *call,
401 struct ldb_dn *dn,
402 struct ldb_control **controls,
403 void *context)
404 {
405 struct ldb_context *ldb = call->conn->ldb;
406 struct ldb_request *req;
407 int ret;
408
409 ret = ldb_build_del_req(&req, ldb, ldb,
410 dn,
411 controls,
412 context,
413 ldb_modify_default_callback,
414 NULL);
415
416 if (ret != LDB_SUCCESS) return ret;
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 ret = ldb_transaction_start(ldb);
466 if (ret != LDB_SUCCESS) {
467 return ret;
468 }
469
470 if (!call->conn->is_privileged) {
471 ldb_req_mark_untrusted(req);
472 }
473
474 LDB_REQ_SET_LOCATION(req);
475
476 ret = ldb_request(ldb, req);
477 if (ret == LDB_SUCCESS) {
478 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
479 }
480
481 if (ret == LDB_SUCCESS) {
482 ret = ldb_transaction_commit(ldb);
483 }
484 else {
485 ldb_transaction_cancel(ldb);
486 }
487
488 talloc_free(req);
489 return ret;
490 }
491
492 static NTSTATUS ldapsrv_SearchRequest(struct ldapsrv_call *call)
493 {
494 struct ldap_SearchRequest *req = &call->request->r.SearchRequest;
495 struct ldap_SearchResEntry *ent;
496 struct ldap_Result *done;
497 struct ldapsrv_reply *ent_r, *done_r;
498 TALLOC_CTX *local_ctx;
499 struct ldb_context *samdb = talloc_get_type(call->conn->ldb, struct ldb_context);
500 struct ldb_dn *basedn;
501 struct ldb_result *res = NULL;
502 struct ldb_request *lreq;
503 struct ldb_control *search_control;
504 struct ldb_search_options_control *search_options;
505 struct ldb_control *extended_dn_control;
506 struct ldb_extended_dn_control *extended_dn_decoded = NULL;
507 enum ldb_scope scope = LDB_SCOPE_DEFAULT;
508 const char **attrs = NULL;
509 const char *scope_str, *errstr = NULL;
510 int success_limit = 1;
511 int result = -1;
512 int ldb_ret = -1;
513 unsigned int i, j;
514 int extended_type = 1;
515
516 DEBUG(10, ("SearchRequest"));
517 DEBUGADD(10, (" basedn: %s", req->basedn));
518 DEBUGADD(10, (" filter: %s\n", ldb_filter_from_tree(call, req->tree)));
519
520 local_ctx = talloc_new(call);
521 NT_STATUS_HAVE_NO_MEMORY(local_ctx);
522
523 basedn = ldb_dn_new(local_ctx, samdb, req->basedn);
524 VALID_DN_SYNTAX(basedn);
525
526 DEBUG(10, ("SearchRequest: basedn: [%s]\n", req->basedn));
527 DEBUG(10, ("SearchRequest: filter: [%s]\n", ldb_filter_from_tree(call, req->tree)));
528
529 switch (req->scope) {
530 case LDAP_SEARCH_SCOPE_BASE:
531 scope_str = "BASE";
532 scope = LDB_SCOPE_BASE;
533 success_limit = 0;
534 break;
535 case LDAP_SEARCH_SCOPE_SINGLE:
536 scope_str = "ONE";
537 scope = LDB_SCOPE_ONELEVEL;
538 success_limit = 0;
539 break;
540 case LDAP_SEARCH_SCOPE_SUB:
541 scope_str = "SUB";
542 scope = LDB_SCOPE_SUBTREE;
543 success_limit = 0;
544 break;
545 default:
546 result = LDAP_PROTOCOL_ERROR;
547 map_ldb_error(local_ctx, LDB_ERR_PROTOCOL_ERROR, NULL,
548 &errstr);
549 errstr = talloc_asprintf(local_ctx,
550 "%s. Invalid scope", errstr);
551 goto reply;
552 }
553 DEBUG(10,("SearchRequest: scope: [%s]\n", scope_str));
554
555 if (req->num_attributes >= 1) {
556 attrs = talloc_array(local_ctx, const char *, req->num_attributes+1);
557 NT_STATUS_HAVE_NO_MEMORY(attrs);
558
559 for (i=0; i < req->num_attributes; i++) {
560 DEBUG(10,("SearchRequest: attrs: [%s]\n",req->attributes[i]));
561 attrs[i] = req->attributes[i];
562 }
563 attrs[i] = NULL;
564 }
565
566 DEBUG(5,("ldb_request %s dn=%s filter=%s\n",
567 scope_str, req->basedn, ldb_filter_from_tree(call, req->tree)));
568
569 res = talloc_zero(local_ctx, struct ldb_result);
570 NT_STATUS_HAVE_NO_MEMORY(res);
571
572 ldb_ret = ldb_build_search_req_ex(&lreq, samdb, local_ctx,
573 basedn, scope,
574 req->tree, attrs,
575 call->request->controls,
576 res, ldb_search_default_callback,
577 NULL);
578
579 if (ldb_ret != LDB_SUCCESS) {
580 goto reply;
581 }
582
583 if (call->conn->global_catalog) {
584 search_control = ldb_request_get_control(lreq, LDB_CONTROL_SEARCH_OPTIONS_OID);
585
586 search_options = NULL;
587 if (search_control) {
588 search_options = talloc_get_type(search_control->data, struct ldb_search_options_control);
589 search_options->search_options |= LDB_SEARCH_OPTION_PHANTOM_ROOT;
590 } else {
591 search_options = talloc(lreq, struct ldb_search_options_control);
592 NT_STATUS_HAVE_NO_MEMORY(search_options);
593 search_options->search_options = LDB_SEARCH_OPTION_PHANTOM_ROOT;
594 ldb_request_add_control(lreq, LDB_CONTROL_SEARCH_OPTIONS_OID, false, search_options);
595 }
596 }
597
598 extended_dn_control = ldb_request_get_control(lreq, LDB_CONTROL_EXTENDED_DN_OID);
599
600 if (extended_dn_control) {
601 if (extended_dn_control->data) {
602 extended_dn_decoded = talloc_get_type(extended_dn_control->data, struct ldb_extended_dn_control);
603 extended_type = extended_dn_decoded->type;
604 } else {
605 extended_type = 0;
606 }
607 }
608
609 ldb_set_timeout(samdb, lreq, req->timelimit);
610
611 if (!call->conn->is_privileged) {
612 ldb_req_mark_untrusted(lreq);
613 }
614
615 LDB_REQ_SET_LOCATION(lreq);
616
617 ldb_ret = ldb_request(samdb, lreq);
618
619 if (ldb_ret != LDB_SUCCESS) {
620 goto reply;
621 }
622
623 ldb_ret = ldb_wait(lreq->handle, LDB_WAIT_ALL);
624
625 if (ldb_ret == LDB_SUCCESS) {
626 for (i = 0; i < res->count; i++) {
627 ent_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultEntry);
628 NT_STATUS_HAVE_NO_MEMORY(ent_r);
629
630 /* Better to have the whole message kept here,
631 * than to find someone further up didn't put
632 * a value in the right spot in the talloc tree */
633 talloc_steal(ent_r, res->msgs[i]);
634
635 ent = &ent_r->msg->r.SearchResultEntry;
636 ent->dn = ldb_dn_get_extended_linearized(ent_r, res->msgs[i]->dn, extended_type);
637 ent->num_attributes = 0;
638 ent->attributes = NULL;
639 if (res->msgs[i]->num_elements == 0) {
640 goto queue_reply;
641 }
642 ent->num_attributes = res->msgs[i]->num_elements;
643 ent->attributes = talloc_array(ent_r, struct ldb_message_element, ent->num_attributes);
644 NT_STATUS_HAVE_NO_MEMORY(ent->attributes);
645 for (j=0; j < ent->num_attributes; j++) {
646 ent->attributes[j].name = res->msgs[i]->elements[j].name;
647 ent->attributes[j].num_values = 0;
648 ent->attributes[j].values = NULL;
649 if (req->attributesonly && (res->msgs[i]->elements[j].num_values == 0)) {
650 continue;
651 }
652 ent->attributes[j].num_values = res->msgs[i]->elements[j].num_values;
653 ent->attributes[j].values = res->msgs[i]->elements[j].values;
654 }
655 queue_reply:
656 ldapsrv_queue_reply(call, ent_r);
657 }
658
659 /* Send back referrals if they do exist (search operations) */
660 if (res->refs != NULL) {
661 char **ref;
662 struct ldap_SearchResRef *ent_ref;
663
664 for (ref = res->refs; *ref != NULL; ++ref) {
665 ent_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultReference);
666 NT_STATUS_HAVE_NO_MEMORY(ent_r);
667
668 /* Better to have the whole referrals kept here,
669 * than to find someone further up didn't put
670 * a value in the right spot in the talloc tree
671 */
672 talloc_steal(ent_r, *ref);
673
674 ent_ref = &ent_r->msg->r.SearchResultReference;
675 ent_ref->referral = *ref;
676
677 ldapsrv_queue_reply(call, ent_r);
678 }
679 }
680 }
681
682 reply:
683 done_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultDone);
684 NT_STATUS_HAVE_NO_MEMORY(done_r);
685
686 done = &done_r->msg->r.SearchResultDone;
687 done->dn = NULL;
688 done->referral = NULL;
689
690 if (result != -1) {
691 } else if (ldb_ret == LDB_SUCCESS) {
692 if (res->count >= success_limit) {
693 DEBUG(10,("SearchRequest: results: [%d]\n", res->count));
694 result = LDAP_SUCCESS;
695 errstr = NULL;
696 }
697 if (res->controls) {
698 done_r->msg->controls = res->controls;
699 talloc_steal(done_r, res->controls);
700 }
701 } else {
702 DEBUG(10,("SearchRequest: error\n"));
703 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
704 &errstr);
705 }
706
707 done->resultcode = result;
708 done->errormessage = (errstr?talloc_strdup(done_r, errstr):NULL);
709
710 talloc_free(local_ctx);
711
712 ldapsrv_queue_reply(call, done_r);
713 return NT_STATUS_OK;
714 }
715
716 static NTSTATUS ldapsrv_ModifyRequest(struct ldapsrv_call *call)
717 {
718 struct ldap_ModifyRequest *req = &call->request->r.ModifyRequest;
719 struct ldap_Result *modify_result;
720 struct ldapsrv_reply *modify_reply;
721 TALLOC_CTX *local_ctx;
722 struct ldb_context *samdb = call->conn->ldb;
723 struct ldb_message *msg = NULL;
724 struct ldb_dn *dn;
725 const char *errstr = NULL;
726 int result = LDAP_SUCCESS;
727 int ldb_ret;
728 unsigned int i,j;
729 struct ldb_result *res = NULL;
730
731 DEBUG(10, ("ModifyRequest"));
732 DEBUGADD(10, (" dn: %s\n", req->dn));
733
734 local_ctx = talloc_named(call, 0, "ModifyRequest local memory context");
735 NT_STATUS_HAVE_NO_MEMORY(local_ctx);
736
737 dn = ldb_dn_new(local_ctx, samdb, req->dn);
738 VALID_DN_SYNTAX(dn);
739
740 DEBUG(10, ("ModifyRequest: dn: [%s]\n", req->dn));
741
742 msg = talloc(local_ctx, struct ldb_message);
743 NT_STATUS_HAVE_NO_MEMORY(msg);
744
745 msg->dn = dn;
746 msg->num_elements = 0;
747 msg->elements = NULL;
748
749 if (req->num_mods > 0) {
750 msg->num_elements = req->num_mods;
751 msg->elements = talloc_array(msg, struct ldb_message_element, req->num_mods);
752 NT_STATUS_HAVE_NO_MEMORY(msg->elements);
753
754 for (i=0; i < msg->num_elements; i++) {
755 msg->elements[i].name = discard_const_p(char, req->mods[i].attrib.name);
756 msg->elements[i].num_values = 0;
757 msg->elements[i].values = NULL;
758
759 switch (req->mods[i].type) {
760 default:
761 result = LDAP_PROTOCOL_ERROR;
762 map_ldb_error(local_ctx,
763 LDB_ERR_PROTOCOL_ERROR, NULL, &errstr);
764 errstr = talloc_asprintf(local_ctx,
765 "%s. Invalid LDAP_MODIFY_* type", errstr);
766 goto reply;
767 case LDAP_MODIFY_ADD:
768 msg->elements[i].flags = LDB_FLAG_MOD_ADD;
769 break;
770 case LDAP_MODIFY_DELETE:
771 msg->elements[i].flags = LDB_FLAG_MOD_DELETE;
772 break;
773 case LDAP_MODIFY_REPLACE:
774 msg->elements[i].flags = LDB_FLAG_MOD_REPLACE;
775 break;
776 }
777
778 msg->elements[i].num_values = req->mods[i].attrib.num_values;
779 if (msg->elements[i].num_values > 0) {
780 msg->elements[i].values = talloc_array(msg->elements, struct ldb_val,
781 msg->elements[i].num_values);
782 NT_STATUS_HAVE_NO_MEMORY(msg->elements[i].values);
783
784 for (j=0; j < msg->elements[i].num_values; j++) {
785 msg->elements[i].values[j].length = req->mods[i].attrib.values[j].length;
786 msg->elements[i].values[j].data = req->mods[i].attrib.values[j].data;
787 }
788 }
789 }
790 }
791
792 reply:
793 modify_reply = ldapsrv_init_reply(call, LDAP_TAG_ModifyResponse);
794 NT_STATUS_HAVE_NO_MEMORY(modify_reply);
795
796 if (result == LDAP_SUCCESS) {
797 res = talloc_zero(local_ctx, struct ldb_result);
798 NT_STATUS_HAVE_NO_MEMORY(res);
799 ldb_ret = ldapsrv_mod_with_controls(call, msg, call->request->controls, res);
800 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
801 &errstr);
802 }
803
804 modify_result = &modify_reply->msg->r.ModifyResponse;
805 modify_result->dn = NULL;
806 if ((res != NULL) && (res->refs != NULL)) {
807 modify_result->resultcode = map_ldb_error(local_ctx,
808 LDB_ERR_REFERRAL,
809 NULL, &errstr);
810 modify_result->errormessage = (errstr?talloc_strdup(modify_reply, errstr):NULL);
811 modify_result->referral = talloc_strdup(call, *res->refs);
812 } else {
813 modify_result->resultcode = result;
814 modify_result->errormessage = (errstr?talloc_strdup(modify_reply, errstr):NULL);
815 modify_result->referral = NULL;
816 }
817 talloc_free(local_ctx);
818
819 ldapsrv_queue_reply(call, modify_reply);
820 return NT_STATUS_OK;
821
822 }
823
824 static NTSTATUS ldapsrv_AddRequest(struct ldapsrv_call *call)
825 {
826 struct ldap_AddRequest *req = &call->request->r.AddRequest;
827 struct ldap_Result *add_result;
828 struct ldapsrv_reply *add_reply;
829 TALLOC_CTX *local_ctx;
830 struct ldb_context *samdb = call->conn->ldb;
831 struct ldb_message *msg = NULL;
832 struct ldb_dn *dn;
833 const char *errstr = NULL;
834 int result = LDAP_SUCCESS;
835 int ldb_ret;
836 unsigned int i,j;
837 struct ldb_result *res = NULL;
838
839 DEBUG(10, ("AddRequest"));
840 DEBUGADD(10, (" dn: %s\n", req->dn));
841
842 local_ctx = talloc_named(call, 0, "AddRequest local memory context");
843 NT_STATUS_HAVE_NO_MEMORY(local_ctx);
844
845 dn = ldb_dn_new(local_ctx, samdb, req->dn);
846 VALID_DN_SYNTAX(dn);
847
848 DEBUG(10, ("AddRequest: dn: [%s]\n", req->dn));
849
850 msg = talloc(local_ctx, struct ldb_message);
851 NT_STATUS_HAVE_NO_MEMORY(msg);
852
853 msg->dn = dn;
854 msg->num_elements = 0;
855 msg->elements = NULL;
856
857 if (req->num_attributes > 0) {
858 msg->num_elements = req->num_attributes;
859 msg->elements = talloc_array(msg, struct ldb_message_element, msg->num_elements);
860 NT_STATUS_HAVE_NO_MEMORY(msg->elements);
861
862 for (i=0; i < msg->num_elements; i++) {
863 msg->elements[i].name = discard_const_p(char, req->attributes[i].name);
864 msg->elements[i].flags = 0;
865 msg->elements[i].num_values = 0;
866 msg->elements[i].values = NULL;
867
868 if (req->attributes[i].num_values > 0) {
869 msg->elements[i].num_values = req->attributes[i].num_values;
870 msg->elements[i].values = talloc_array(msg->elements, struct ldb_val,
871 msg->elements[i].num_values);
872 NT_STATUS_HAVE_NO_MEMORY(msg->elements[i].values);
873
874 for (j=0; j < msg->elements[i].num_values; j++) {
875 msg->elements[i].values[j].length = req->attributes[i].values[j].length;
876 msg->elements[i].values[j].data = req->attributes[i].values[j].data;
877 }
878 }
879 }
880 }
881
882 reply:
883 add_reply = ldapsrv_init_reply(call, LDAP_TAG_AddResponse);
884 NT_STATUS_HAVE_NO_MEMORY(add_reply);
885
886 if (result == LDAP_SUCCESS) {
887 res = talloc_zero(local_ctx, struct ldb_result);
888 NT_STATUS_HAVE_NO_MEMORY(res);
889 ldb_ret = ldapsrv_add_with_controls(call, msg, call->request->controls, res);
890 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
891 &errstr);
892 }
893
894 add_result = &add_reply->msg->r.AddResponse;
895 add_result->dn = NULL;
896 if ((res != NULL) && (res->refs != NULL)) {
897 add_result->resultcode = map_ldb_error(local_ctx,
898 LDB_ERR_REFERRAL, NULL,
899 &errstr);
900 add_result->errormessage = (errstr?talloc_strdup(add_reply,errstr):NULL);
901 add_result->referral = talloc_strdup(call, *res->refs);
902 } else {
903 add_result->resultcode = result;
904 add_result->errormessage = (errstr?talloc_strdup(add_reply,errstr):NULL);
905 add_result->referral = NULL;
906 }
907 talloc_free(local_ctx);
908
909 ldapsrv_queue_reply(call, add_reply);
910 return NT_STATUS_OK;
911
912 }
913
914 static NTSTATUS ldapsrv_DelRequest(struct ldapsrv_call *call)
915 {
916 struct ldap_DelRequest *req = &call->request->r.DelRequest;
917 struct ldap_Result *del_result;
918 struct ldapsrv_reply *del_reply;
919 TALLOC_CTX *local_ctx;
920 struct ldb_context *samdb = call->conn->ldb;
921 struct ldb_dn *dn;
922 const char *errstr = NULL;
923 int result = LDAP_SUCCESS;
924 int ldb_ret;
925 struct ldb_result *res = NULL;
926
927 DEBUG(10, ("DelRequest"));
928 DEBUGADD(10, (" dn: %s\n", req->dn));
929
930 local_ctx = talloc_named(call, 0, "DelRequest local memory context");
931 NT_STATUS_HAVE_NO_MEMORY(local_ctx);
932
933 dn = ldb_dn_new(local_ctx, samdb, req->dn);
934 VALID_DN_SYNTAX(dn);
935
936 DEBUG(10, ("DelRequest: dn: [%s]\n", req->dn));
937
938 reply:
939 del_reply = ldapsrv_init_reply(call, LDAP_TAG_DelResponse);
940 NT_STATUS_HAVE_NO_MEMORY(del_reply);
941
942 if (result == LDAP_SUCCESS) {
943 res = talloc_zero(local_ctx, struct ldb_result);
944 NT_STATUS_HAVE_NO_MEMORY(res);
945 ldb_ret = ldapsrv_del_with_controls(call, dn, call->request->controls, res);
946 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
947 &errstr);
948 }
949
950 del_result = &del_reply->msg->r.DelResponse;
951 del_result->dn = NULL;
952 if ((res != NULL) && (res->refs != NULL)) {
953 del_result->resultcode = map_ldb_error(local_ctx,
954 LDB_ERR_REFERRAL, NULL,
955 &errstr);
956 del_result->errormessage = (errstr?talloc_strdup(del_reply,errstr):NULL);
957 del_result->referral = talloc_strdup(call, *res->refs);
958 } else {
959 del_result->resultcode = result;
960 del_result->errormessage = (errstr?talloc_strdup(del_reply,errstr):NULL);
961 del_result->referral = NULL;
962 }
963
964 talloc_free(local_ctx);
965
966 ldapsrv_queue_reply(call, del_reply);
967 return NT_STATUS_OK;
968 }
969
970 static NTSTATUS ldapsrv_ModifyDNRequest(struct ldapsrv_call *call)
971 {
972 struct ldap_ModifyDNRequest *req = &call->request->r.ModifyDNRequest;
973 struct ldap_Result *modifydn;
974 struct ldapsrv_reply *modifydn_r;
975 TALLOC_CTX *local_ctx;
976 struct ldb_context *samdb = call->conn->ldb;
977 struct ldb_dn *olddn, *newdn=NULL, *newrdn;
978 struct ldb_dn *parentdn = NULL;
979 const char *errstr = NULL;
980 int result = LDAP_SUCCESS;
981 int ldb_ret;
982 struct ldb_result *res = NULL;
983
984 DEBUG(10, ("ModifyDNRequest"));
985 DEBUGADD(10, (" dn: %s", req->dn));
986 DEBUGADD(10, (" newrdn: %s\n", req->newrdn));
987
988 local_ctx = talloc_named(call, 0, "ModifyDNRequest local memory context");
989 NT_STATUS_HAVE_NO_MEMORY(local_ctx);
990
991 olddn = ldb_dn_new(local_ctx, samdb, req->dn);
992 VALID_DN_SYNTAX(olddn);
993
994 newrdn = ldb_dn_new(local_ctx, samdb, req->newrdn);
995 VALID_DN_SYNTAX(newrdn);
996
997 DEBUG(10, ("ModifyDNRequest: olddn: [%s]\n", req->dn));
998 DEBUG(10, ("ModifyDNRequest: newrdn: [%s]\n", req->newrdn));
999
1000 if (ldb_dn_get_comp_num(newrdn) == 0) {
1001 result = LDAP_PROTOCOL_ERROR;
1002 map_ldb_error(local_ctx, LDB_ERR_PROTOCOL_ERROR, NULL,
1003 &errstr);
1004 goto reply;
1005 }
1006
1007 if (ldb_dn_get_comp_num(newrdn) > 1) {
1008 result = LDAP_NAMING_VIOLATION;
1009 map_ldb_error(local_ctx, LDB_ERR_NAMING_VIOLATION, NULL,
1010 &errstr);
1011 goto reply;
1012 }
1013
1014 /* we can't handle the rename if we should not remove the old dn */
1015 if (!req->deleteolddn) {
1016 result = LDAP_UNWILLING_TO_PERFORM;
1017 map_ldb_error(local_ctx, LDB_ERR_UNWILLING_TO_PERFORM, NULL,
1018 &errstr);
1019 errstr = talloc_asprintf(local_ctx,
1020 "%s. Old RDN must be deleted", errstr);
1021 goto reply;
1022 }
1023
1024 if (req->newsuperior) {
1025 parentdn = ldb_dn_new(local_ctx, samdb, req->newsuperior);
1026 VALID_DN_SYNTAX(parentdn);
1027 DEBUG(10, ("ModifyDNRequest: newsuperior: [%s]\n", req->newsuperior));
1028 }
1029
1030 if (!parentdn) {
1031 parentdn = ldb_dn_get_parent(local_ctx, olddn);
1032 }
1033 if (!parentdn) {
1034 result = LDAP_NO_SUCH_OBJECT;
1035 map_ldb_error(local_ctx, LDB_ERR_NO_SUCH_OBJECT, NULL, &errstr);
1036 goto reply;
1037 }
1038
1039 if ( ! ldb_dn_add_child(parentdn, newrdn)) {
1040 result = LDAP_OTHER;
1041 map_ldb_error(local_ctx, LDB_ERR_OTHER, NULL, &errstr);
1042 goto reply;
1043 }
1044 newdn = parentdn;
1045
1046 reply:
1047 modifydn_r = ldapsrv_init_reply(call, LDAP_TAG_ModifyDNResponse);
1048 NT_STATUS_HAVE_NO_MEMORY(modifydn_r);
1049
1050 if (result == LDAP_SUCCESS) {
1051 res = talloc_zero(local_ctx, struct ldb_result);
1052 NT_STATUS_HAVE_NO_MEMORY(res);
1053 ldb_ret = ldapsrv_rename_with_controls(call, olddn, newdn, call->request->controls, res);
1054 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
1055 &errstr);
1056 }
1057
1058 modifydn = &modifydn_r->msg->r.ModifyDNResponse;
1059 modifydn->dn = NULL;
1060 if ((res != NULL) && (res->refs != NULL)) {
1061 modifydn->resultcode = map_ldb_error(local_ctx,
1062 LDB_ERR_REFERRAL, NULL,
1063 &errstr);;
1064 modifydn->errormessage = (errstr?talloc_strdup(modifydn_r,errstr):NULL);
1065 modifydn->referral = talloc_strdup(call, *res->refs);
1066 } else {
1067 modifydn->resultcode = result;
1068 modifydn->errormessage = (errstr?talloc_strdup(modifydn_r,errstr):NULL);
1069 modifydn->referral = NULL;
1070 }
1071
1072 talloc_free(local_ctx);
1073
1074 ldapsrv_queue_reply(call, modifydn_r);
1075 return NT_STATUS_OK;
1076 }
1077
1078 static NTSTATUS ldapsrv_CompareRequest(struct ldapsrv_call *call)
1079 {
1080 struct ldap_CompareRequest *req = &call->request->r.CompareRequest;
1081 struct ldap_Result *compare;
1082 struct ldapsrv_reply *compare_r;
1083 TALLOC_CTX *local_ctx;
1084 struct ldb_context *samdb = call->conn->ldb;
1085 struct ldb_result *res = NULL;
1086 struct ldb_dn *dn;
1087 const char *attrs[1];
1088 const char *errstr = NULL;
1089 const char *filter = NULL;
1090 int result = LDAP_SUCCESS;
1091 int ldb_ret;
1092
1093 DEBUG(10, ("CompareRequest"));
1094 DEBUGADD(10, (" dn: %s\n", req->dn));
1095
1096 local_ctx = talloc_named(call, 0, "CompareRequest local_memory_context");
1097 NT_STATUS_HAVE_NO_MEMORY(local_ctx);
1098
1099 dn = ldb_dn_new(local_ctx, samdb, req->dn);
1100 VALID_DN_SYNTAX(dn);
1101
1102 DEBUG(10, ("CompareRequest: dn: [%s]\n", req->dn));
1103 filter = talloc_asprintf(local_ctx, "(%s=%*s)", req->attribute,
1104 (int)req->value.length, req->value.data);
1105 NT_STATUS_HAVE_NO_MEMORY(filter);
1106
1107 DEBUGADD(10, ("CompareRequest: attribute: [%s]\n", filter));
1108
1109 attrs[0] = NULL;
1110
1111 reply:
1112 compare_r = ldapsrv_init_reply(call, LDAP_TAG_CompareResponse);
1113 NT_STATUS_HAVE_NO_MEMORY(compare_r);
1114
1115 if (result == LDAP_SUCCESS) {
1116 ldb_ret = ldb_search(samdb, local_ctx, &res,
1117 dn, LDB_SCOPE_BASE, attrs, "%s", filter);
1118 if (ldb_ret != LDB_SUCCESS) {
1119 result = map_ldb_error(local_ctx, ldb_ret,
1120 ldb_errstring(samdb), &errstr);
1121 DEBUG(10,("CompareRequest: error: %s\n", errstr));
1122 } else if (res->count == 0) {
1123 DEBUG(10,("CompareRequest: doesn't matched\n"));
1124 result = LDAP_COMPARE_FALSE;
1125 errstr = NULL;
1126 } else if (res->count == 1) {
1127 DEBUG(10,("CompareRequest: matched\n"));
1128 result = LDAP_COMPARE_TRUE;
1129 errstr = NULL;
1130 } else if (res->count > 1) {
1131 result = LDAP_OTHER;
1132 map_ldb_error(local_ctx, LDB_ERR_OTHER, NULL, &errstr);
1133 errstr = talloc_asprintf(local_ctx,
1134 "%s. Too many objects match!", errstr);
1135 DEBUG(10,("CompareRequest: %d results: %s\n", res->count, errstr));
1136 }
1137 }
1138
1139 compare = &compare_r->msg->r.CompareResponse;
1140 compare->dn = NULL;
1141 compare->resultcode = result;
1142 compare->errormessage = (errstr?talloc_strdup(compare_r,errstr):NULL);
1143 compare->referral = NULL;
1144
1145 talloc_free(local_ctx);
1146
1147 ldapsrv_queue_reply(call, compare_r);
1148 return NT_STATUS_OK;
1149 }
1150
1151 static NTSTATUS ldapsrv_AbandonRequest(struct ldapsrv_call *call)
1152 {
1153 /* struct ldap_AbandonRequest *req = &call->request.r.AbandonRequest;*/
1154 DEBUG(10, ("AbandonRequest\n"));
1155 return NT_STATUS_OK;
1156 }
1157
1158 NTSTATUS ldapsrv_do_call(struct ldapsrv_call *call)
1159 {
1160 unsigned int i;
1161 struct ldap_message *msg = call->request;
1162 /* Check for undecoded critical extensions */
1163 for (i=0; msg->controls && msg->controls[i]; i++) {
1164 if (!msg->controls_decoded[i] &&
1165 msg->controls[i]->critical) {
1166 DEBUG(3, ("ldapsrv_do_call: Critical extension %s is not known to this server\n",
1167 msg->controls[i]->oid));
1168 return ldapsrv_unwilling(call, LDAP_UNAVAILABLE_CRITICAL_EXTENSION);
1169 }
1170 }
1171
1172 switch(call->request->type) {
1173 case LDAP_TAG_BindRequest:
1174 return ldapsrv_BindRequest(call);
1175 case LDAP_TAG_UnbindRequest:
1176 return ldapsrv_UnbindRequest(call);
1177 case LDAP_TAG_SearchRequest:
1178 return ldapsrv_SearchRequest(call);
1179 case LDAP_TAG_ModifyRequest:
1180 return ldapsrv_ModifyRequest(call);
1181 case LDAP_TAG_AddRequest:
1182 return ldapsrv_AddRequest(call);
1183 case LDAP_TAG_DelRequest:
1184 return ldapsrv_DelRequest(call);
1185 case LDAP_TAG_ModifyDNRequest:
1186 return ldapsrv_ModifyDNRequest(call);
1187 case LDAP_TAG_CompareRequest:
1188 return ldapsrv_CompareRequest(call);
1189 case LDAP_TAG_AbandonRequest:
1190 return ldapsrv_AbandonRequest(call);
1191 case LDAP_TAG_ExtendedRequest:
1192 return ldapsrv_ExtendedRequest(call);
1193 default:
1194 return ldapsrv_unwilling(call, LDAP_PROTOCOL_ERROR);
1195 }
1196 }
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