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s3-lsa: Fix static list of luids in our privileges implementation.
[Samba/ekacnet.git] / source4 / ldap_server / ldap_backend.c
blob7767d053b87bbdc2ef504be4fc01f77eae0083f7
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 "lib/ldb/include/ldb_errors.h"
30 #include "lib/ldb_wrap.h"
31
32 #define VALID_DN_SYNTAX(dn) do {\
33 if (!(dn)) {\
34 return NT_STATUS_NO_MEMORY;\
35 } else if ( ! ldb_dn_validate(dn)) {\
36 result = LDAP_INVALID_DN_SYNTAX;\
37 map_ldb_error(local_ctx, LDB_ERR_INVALID_DN_SYNTAX, NULL,\
38 &errstr);\
39 goto reply;\
40 }\
41 } while(0)
42
43 static int map_ldb_error(TALLOC_CTX *mem_ctx, int ldb_err,
44 const char *add_err_string, const char **errstring)
45 {
46 WERROR err;
47
48 switch (ldb_err) {
49 case LDB_SUCCESS:
50 err = WERR_OK;
51 break;
52 case LDB_ERR_OPERATIONS_ERROR:
53 err = WERR_DS_OPERATIONS_ERROR;
54 break;
55 case LDB_ERR_PROTOCOL_ERROR:
56 err = WERR_DS_PROTOCOL_ERROR;
57 break;
58 case LDB_ERR_TIME_LIMIT_EXCEEDED:
59 err = WERR_DS_TIMELIMIT_EXCEEDED;
60 break;
61 case LDB_ERR_SIZE_LIMIT_EXCEEDED:
62 err = WERR_DS_SIZE_LIMIT_EXCEEDED;
63 break;
64 case LDB_ERR_COMPARE_FALSE:
65 err = WERR_DS_COMPARE_FALSE;
66 break;
67 case LDB_ERR_COMPARE_TRUE:
68 err = WERR_DS_COMPARE_TRUE;
69 break;
70 case LDB_ERR_AUTH_METHOD_NOT_SUPPORTED:
71 err = WERR_DS_AUTH_METHOD_NOT_SUPPORTED;
72 break;
73 case LDB_ERR_STRONG_AUTH_REQUIRED:
74 err = WERR_DS_STRONG_AUTH_REQUIRED;
75 break;
76 case LDB_ERR_REFERRAL:
77 err = WERR_DS_REFERRAL;
78 break;
79 case LDB_ERR_ADMIN_LIMIT_EXCEEDED:
80 err = WERR_DS_ADMIN_LIMIT_EXCEEDED;
81 break;
82 case LDB_ERR_UNSUPPORTED_CRITICAL_EXTENSION:
83 err = WERR_DS_UNAVAILABLE_CRIT_EXTENSION;
84 break;
85 case LDB_ERR_CONFIDENTIALITY_REQUIRED:
86 err = WERR_DS_CONFIDENTIALITY_REQUIRED;
87 break;
88 case LDB_ERR_SASL_BIND_IN_PROGRESS:
89 err = WERR_DS_BUSY;
90 break;
91 case LDB_ERR_NO_SUCH_ATTRIBUTE:
92 err = WERR_DS_NO_ATTRIBUTE_OR_VALUE;
93 break;
94 case LDB_ERR_UNDEFINED_ATTRIBUTE_TYPE:
95 err = WERR_DS_ATTRIBUTE_TYPE_UNDEFINED;
96 break;
97 case LDB_ERR_INAPPROPRIATE_MATCHING:
98 err = WERR_DS_INAPPROPRIATE_MATCHING;
99 break;
100 case LDB_ERR_CONSTRAINT_VIOLATION:
101 err = WERR_DS_CONSTRAINT_VIOLATION;
102 break;
103 case LDB_ERR_ATTRIBUTE_OR_VALUE_EXISTS:
104 err = WERR_DS_ATTRIBUTE_OR_VALUE_EXISTS;
105 break;
106 case LDB_ERR_INVALID_ATTRIBUTE_SYNTAX:
107 err = WERR_DS_INVALID_ATTRIBUTE_SYNTAX;
108 break;
109 case LDB_ERR_NO_SUCH_OBJECT:
110 err = WERR_DS_NO_SUCH_OBJECT;
111 break;
112 case LDB_ERR_ALIAS_PROBLEM:
113 err = WERR_DS_ALIAS_PROBLEM;
114 break;
115 case LDB_ERR_INVALID_DN_SYNTAX:
116 err = WERR_DS_INVALID_DN_SYNTAX;
117 break;
118 case LDB_ERR_ALIAS_DEREFERENCING_PROBLEM:
119 err = WERR_DS_ALIAS_DEREF_PROBLEM;
120 break;
121 case LDB_ERR_INAPPROPRIATE_AUTHENTICATION:
122 err = WERR_DS_INAPPROPRIATE_AUTH;
123 break;
124 case LDB_ERR_INVALID_CREDENTIALS:
125 err = WERR_ACCESS_DENIED;
126 break;
127 case LDB_ERR_INSUFFICIENT_ACCESS_RIGHTS:
128 err = WERR_DS_INSUFF_ACCESS_RIGHTS;
129 break;
130 case LDB_ERR_BUSY:
131 err = WERR_DS_BUSY;
132 break;
133 case LDB_ERR_UNAVAILABLE:
134 err = WERR_DS_UNAVAILABLE;
135 break;
136 case LDB_ERR_UNWILLING_TO_PERFORM:
137 err = WERR_DS_UNWILLING_TO_PERFORM;
138 break;
139 case LDB_ERR_LOOP_DETECT:
140 err = WERR_DS_LOOP_DETECT;
141 break;
142 case LDB_ERR_NAMING_VIOLATION:
143 err = WERR_DS_NAMING_VIOLATION;
144 break;
145 case LDB_ERR_OBJECT_CLASS_VIOLATION:
146 err = WERR_DS_OBJ_CLASS_VIOLATION;
147 break;
148 case LDB_ERR_NOT_ALLOWED_ON_NON_LEAF:
149 err = WERR_DS_CANT_ON_NON_LEAF;
150 break;
151 case LDB_ERR_NOT_ALLOWED_ON_RDN:
152 err = WERR_DS_CANT_ON_RDN;
153 break;
154 case LDB_ERR_ENTRY_ALREADY_EXISTS:
155 err = WERR_DS_OBJ_STRING_NAME_EXISTS;
156 break;
157 case LDB_ERR_OBJECT_CLASS_MODS_PROHIBITED:
158 err = WERR_DS_CANT_MOD_OBJ_CLASS;
159 break;
160 case LDB_ERR_AFFECTS_MULTIPLE_DSAS:
161 err = WERR_DS_AFFECTS_MULTIPLE_DSAS;
162 break;
163 default:
164 err = WERR_DS_GENERIC_ERROR;
165 break;
166 }
167
168 *errstring = talloc_asprintf(mem_ctx, "%08x: %s", W_ERROR_V(err),
169 ldb_strerror(ldb_err));
170 if (add_err_string != NULL) {
171 *errstring = talloc_asprintf(mem_ctx, "%s - %s", *errstring,
172 add_err_string);
173 }
174
175 /* result is 1:1 for now */
176 return ldb_err;
177 }
178 /* create and execute a modify request */
179 static int ldb_mod_req_with_controls(struct ldb_context *ldb,
180 const struct ldb_message *message,
181 struct ldb_control **controls,
182 void *context)
183 {
184 struct ldb_request *req;
185 int ret;
186
187 ret = ldb_msg_sanity_check(ldb, message);
188 if (ret != LDB_SUCCESS) {
189 return ret;
190 }
191
192 ret = ldb_build_mod_req(&req, ldb, ldb,
193 message,
194 controls,
195 context,
196 ldb_modify_default_callback,
197 NULL);
198
199 if (ret != LDB_SUCCESS) {
200 return ret;
201 }
202
203 ret = ldb_transaction_start(ldb);
204 if (ret != LDB_SUCCESS) {
205 return ret;
206 }
207
208 ret = ldb_request(ldb, req);
209 if (ret == LDB_SUCCESS) {
210 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
211 }
212
213 if (ret == LDB_SUCCESS) {
214 ret = ldb_transaction_commit(ldb);
215 }
216 else {
217 ldb_transaction_cancel(ldb);
218 }
219
220 talloc_free(req);
221 return ret;
222 }
223
224 /*
225 connect to the sam database
226 */
227 NTSTATUS ldapsrv_backend_Init(struct ldapsrv_connection *conn)
228 {
229 conn->ldb = ldb_wrap_connect(conn,
230 conn->connection->event.ctx,
231 conn->lp_ctx,
232 lp_sam_url(conn->lp_ctx),
233 conn->session_info,
234 samdb_credentials(conn->connection->event.ctx, conn->lp_ctx),
235 conn->global_catalog ? LDB_FLG_RDONLY : 0);
236 if (conn->ldb == NULL) {
237 return NT_STATUS_INTERNAL_DB_CORRUPTION;
238 }
239
240 if (conn->server_credentials) {
241 char **sasl_mechs = NULL;
242 struct gensec_security_ops **backends = gensec_security_all();
243 struct gensec_security_ops **ops
244 = gensec_use_kerberos_mechs(conn, backends, conn->server_credentials);
245 unsigned int i, j = 0;
246 for (i = 0; ops && ops[i]; i++) {
247 if (!lp_parm_bool(conn->lp_ctx, NULL, "gensec", ops[i]->name, ops[i]->enabled))
248 continue;
249
250 if (ops[i]->sasl_name && ops[i]->server_start) {
251 char *sasl_name = talloc_strdup(conn, ops[i]->sasl_name);
252
253 if (!sasl_name) {
254 return NT_STATUS_NO_MEMORY;
255 }
256 sasl_mechs = talloc_realloc(conn, sasl_mechs, char *, j + 2);
257 if (!sasl_mechs) {
258 return NT_STATUS_NO_MEMORY;
259 }
260 sasl_mechs[j] = sasl_name;
261 talloc_steal(sasl_mechs, sasl_name);
262 sasl_mechs[j+1] = NULL;
263 j++;
264 }
265 }
266 talloc_unlink(conn, ops);
267 ldb_set_opaque(conn->ldb, "supportedSASLMechanims", sasl_mechs);
268 }
269
270 return NT_STATUS_OK;
271 }
272
273 struct ldapsrv_reply *ldapsrv_init_reply(struct ldapsrv_call *call, uint8_t type)
274 {
275 struct ldapsrv_reply *reply;
276
277 reply = talloc(call, struct ldapsrv_reply);
278 if (!reply) {
279 return NULL;
280 }
281 reply->msg = talloc(reply, struct ldap_message);
282 if (reply->msg == NULL) {
283 talloc_free(reply);
284 return NULL;
285 }
286
287 reply->msg->messageid = call->request->messageid;
288 reply->msg->type = type;
289 reply->msg->controls = NULL;
290
291 return reply;
292 }
293
294 void ldapsrv_queue_reply(struct ldapsrv_call *call, struct ldapsrv_reply *reply)
295 {
296 DLIST_ADD_END(call->replies, reply, struct ldapsrv_reply *);
297 }
298
299 static NTSTATUS ldapsrv_unwilling(struct ldapsrv_call *call, int error)
300 {
301 struct ldapsrv_reply *reply;
302 struct ldap_ExtendedResponse *r;
303
304 DEBUG(10,("Unwilling type[%d] id[%d]\n", call->request->type, call->request->messageid));
305
306 reply = ldapsrv_init_reply(call, LDAP_TAG_ExtendedResponse);
307 if (!reply) {
308 return NT_STATUS_NO_MEMORY;
309 }
310
311 r = &reply->msg->r.ExtendedResponse;
312 r->response.resultcode = error;
313 r->response.dn = NULL;
314 r->response.errormessage = NULL;
315 r->response.referral = NULL;
316 r->oid = NULL;
317 r->value = NULL;
318
319 ldapsrv_queue_reply(call, reply);
320 return NT_STATUS_OK;
321 }
322
323 int ldb_add_with_context(struct ldb_context *ldb,
324 const struct ldb_message *message,
325 void *context)
326 {
327 struct ldb_request *req;
328 int ret;
329
330 ret = ldb_msg_sanity_check(ldb, message);
331 if (ret != LDB_SUCCESS) {
332 return ret;
333 }
334
335 ret = ldb_build_add_req(&req, ldb, ldb,
336 message,
337 NULL,
338 context,
339 ldb_modify_default_callback,
340 NULL);
341
342 if (ret != LDB_SUCCESS) return ret;
343
344 ret = ldb_transaction_start(ldb);
345 if (ret != LDB_SUCCESS) {
346 return ret;
347 }
348
349 ret = ldb_request(ldb, req);
350 if (ret == LDB_SUCCESS) {
351 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
352 }
353
354 if (ret == LDB_SUCCESS) {
355 ret = ldb_transaction_commit(ldb);
356 }
357 else {
358 ldb_transaction_cancel(ldb);
359 }
360
361 talloc_free(req);
362 return ret;
363 }
364
365 int ldb_delete_with_context(struct ldb_context *ldb,
366 struct ldb_dn *dn,
367 void *context)
368 {
369 struct ldb_request *req;
370 int ret;
371
372 ret = ldb_build_del_req(&req, ldb, ldb,
373 dn,
374 NULL,
375 context,
376 ldb_modify_default_callback,
377 NULL);
378
379 if (ret != LDB_SUCCESS) return ret;
380
381 ret = ldb_transaction_start(ldb);
382 if (ret != LDB_SUCCESS) {
383 return ret;
384 }
385
386 ret = ldb_request(ldb, req);
387 if (ret == LDB_SUCCESS) {
388 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
389 }
390
391 if (ret == LDB_SUCCESS) {
392 ret = ldb_transaction_commit(ldb);
393 }
394 else {
395 ldb_transaction_cancel(ldb);
396 }
397
398 talloc_free(req);
399 return ret;
400 }
401
402 int ldb_rename_with_context(struct ldb_context *ldb,
403 struct ldb_dn *olddn,
404 struct ldb_dn *newdn,
405 void *context)
406 {
407 struct ldb_request *req;
408 int ret;
409
410 ret = ldb_build_rename_req(&req, ldb, ldb,
411 olddn,
412 newdn,
413 NULL,
414 context,
415 ldb_modify_default_callback,
416 NULL);
417
418 if (ret != LDB_SUCCESS) return ret;
419
420 ret = ldb_transaction_start(ldb);
421 if (ret != LDB_SUCCESS) {
422 return ret;
423 }
424
425 ret = ldb_request(ldb, req);
426 if (ret == LDB_SUCCESS) {
427 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
428 }
429
430 if (ret == LDB_SUCCESS) {
431 ret = ldb_transaction_commit(ldb);
432 }
433 else {
434 ldb_transaction_cancel(ldb);
435 }
436
437 talloc_free(req);
438 return ret;
439 }
440
441 static NTSTATUS ldapsrv_SearchRequest(struct ldapsrv_call *call)
442 {
443 struct ldap_SearchRequest *req = &call->request->r.SearchRequest;
444 struct ldap_SearchResEntry *ent;
445 struct ldap_Result *done;
446 struct ldapsrv_reply *ent_r, *done_r;
447 TALLOC_CTX *local_ctx;
448 struct ldb_context *samdb = talloc_get_type(call->conn->ldb, struct ldb_context);
449 struct ldb_dn *basedn;
450 struct ldb_result *res = NULL;
451 struct ldb_request *lreq;
452 struct ldb_control *search_control;
453 struct ldb_search_options_control *search_options;
454 struct ldb_control *extended_dn_control;
455 struct ldb_extended_dn_control *extended_dn_decoded = NULL;
456 enum ldb_scope scope = LDB_SCOPE_DEFAULT;
457 const char **attrs = NULL;
458 const char *scope_str, *errstr = NULL;
459 int success_limit = 1;
460 int result = -1;
461 int ldb_ret = -1;
462 unsigned int i, j;
463 int extended_type = 1;
464
465 DEBUG(10, ("SearchRequest"));
466 DEBUGADD(10, (" basedn: %s", req->basedn));
467 DEBUGADD(10, (" filter: %s\n", ldb_filter_from_tree(call, req->tree)));
468
469 local_ctx = talloc_new(call);
470 NT_STATUS_HAVE_NO_MEMORY(local_ctx);
471
472 basedn = ldb_dn_new(local_ctx, samdb, req->basedn);
473 VALID_DN_SYNTAX(basedn);
474
475 DEBUG(10, ("SearchRequest: basedn: [%s]\n", req->basedn));
476 DEBUG(10, ("SearchRequest: filter: [%s]\n", ldb_filter_from_tree(call, req->tree)));
477
478 switch (req->scope) {
479 case LDAP_SEARCH_SCOPE_BASE:
480 scope_str = "BASE";
481 scope = LDB_SCOPE_BASE;
482 success_limit = 0;
483 break;
484 case LDAP_SEARCH_SCOPE_SINGLE:
485 scope_str = "ONE";
486 scope = LDB_SCOPE_ONELEVEL;
487 success_limit = 0;
488 break;
489 case LDAP_SEARCH_SCOPE_SUB:
490 scope_str = "SUB";
491 scope = LDB_SCOPE_SUBTREE;
492 success_limit = 0;
493 break;
494 default:
495 result = LDAP_PROTOCOL_ERROR;
496 map_ldb_error(local_ctx, LDB_ERR_PROTOCOL_ERROR, NULL,
497 &errstr);
498 errstr = talloc_asprintf(local_ctx,
499 "%s. Invalid scope", errstr);
500 goto reply;
501 }
502 DEBUG(10,("SearchRequest: scope: [%s]\n", scope_str));
503
504 if (req->num_attributes >= 1) {
505 attrs = talloc_array(local_ctx, const char *, req->num_attributes+1);
506 NT_STATUS_HAVE_NO_MEMORY(attrs);
507
508 for (i=0; i < req->num_attributes; i++) {
509 DEBUG(10,("SearchRequest: attrs: [%s]\n",req->attributes[i]));
510 attrs[i] = req->attributes[i];
511 }
512 attrs[i] = NULL;
513 }
514
515 DEBUG(5,("ldb_request %s dn=%s filter=%s\n",
516 scope_str, req->basedn, ldb_filter_from_tree(call, req->tree)));
517
518 res = talloc_zero(local_ctx, struct ldb_result);
519 NT_STATUS_HAVE_NO_MEMORY(res);
520
521 ldb_ret = ldb_build_search_req_ex(&lreq, samdb, local_ctx,
522 basedn, scope,
523 req->tree, attrs,
524 call->request->controls,
525 res, ldb_search_default_callback,
526 NULL);
527
528 if (ldb_ret != LDB_SUCCESS) {
529 goto reply;
530 }
531
532 if (call->conn->global_catalog) {
533 search_control = ldb_request_get_control(lreq, LDB_CONTROL_SEARCH_OPTIONS_OID);
534
535 search_options = NULL;
536 if (search_control) {
537 search_options = talloc_get_type(search_control->data, struct ldb_search_options_control);
538 search_options->search_options |= LDB_SEARCH_OPTION_PHANTOM_ROOT;
539 } else {
540 search_options = talloc(lreq, struct ldb_search_options_control);
541 NT_STATUS_HAVE_NO_MEMORY(search_options);
542 search_options->search_options = LDB_SEARCH_OPTION_PHANTOM_ROOT;
543 ldb_request_add_control(lreq, LDB_CONTROL_SEARCH_OPTIONS_OID, false, search_options);
544 }
545 }
546
547 extended_dn_control = ldb_request_get_control(lreq, LDB_CONTROL_EXTENDED_DN_OID);
548
549 if (extended_dn_control) {
550 if (extended_dn_control->data) {
551 extended_dn_decoded = talloc_get_type(extended_dn_control->data, struct ldb_extended_dn_control);
552 extended_type = extended_dn_decoded->type;
553 } else {
554 extended_type = 0;
555 }
556 }
557
558 ldb_set_timeout(samdb, lreq, req->timelimit);
559
560 ldb_ret = ldb_request(samdb, lreq);
561
562 if (ldb_ret != LDB_SUCCESS) {
563 goto reply;
564 }
565
566 ldb_ret = ldb_wait(lreq->handle, LDB_WAIT_ALL);
567
568 if (ldb_ret == LDB_SUCCESS) {
569 for (i = 0; i < res->count; i++) {
570 ent_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultEntry);
571 NT_STATUS_HAVE_NO_MEMORY(ent_r);
572
573 /* Better to have the whole message kept here,
574 * than to find someone further up didn't put
575 * a value in the right spot in the talloc tree */
576 talloc_steal(ent_r, res->msgs[i]);
577
578 ent = &ent_r->msg->r.SearchResultEntry;
579 ent->dn = ldb_dn_get_extended_linearized(ent_r, res->msgs[i]->dn, extended_type);
580 ent->num_attributes = 0;
581 ent->attributes = NULL;
582 if (res->msgs[i]->num_elements == 0) {
583 goto queue_reply;
584 }
585 ent->num_attributes = res->msgs[i]->num_elements;
586 ent->attributes = talloc_array(ent_r, struct ldb_message_element, ent->num_attributes);
587 NT_STATUS_HAVE_NO_MEMORY(ent->attributes);
588 for (j=0; j < ent->num_attributes; j++) {
589 ent->attributes[j].name = res->msgs[i]->elements[j].name;
590 ent->attributes[j].num_values = 0;
591 ent->attributes[j].values = NULL;
592 if (req->attributesonly && (res->msgs[i]->elements[j].num_values == 0)) {
593 continue;
594 }
595 ent->attributes[j].num_values = res->msgs[i]->elements[j].num_values;
596 ent->attributes[j].values = res->msgs[i]->elements[j].values;
597 }
598 queue_reply:
599 ldapsrv_queue_reply(call, ent_r);
600 }
601
602 /* Send back referrals if they do exist (search operations) */
603 if (res->refs != NULL) {
604 char **ref;
605 struct ldap_SearchResRef *ent_ref;
606
607 for (ref = res->refs; *ref != NULL; ++ref) {
608 ent_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultReference);
609 NT_STATUS_HAVE_NO_MEMORY(ent_r);
610
611 /* Better to have the whole referrals kept here,
612 * than to find someone further up didn't put
613 * a value in the right spot in the talloc tree
614 */
615 talloc_steal(ent_r, *ref);
616
617 ent_ref = &ent_r->msg->r.SearchResultReference;
618 ent_ref->referral = *ref;
619
620 ldapsrv_queue_reply(call, ent_r);
621 }
622 }
623 }
624
625 reply:
626 done_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultDone);
627 NT_STATUS_HAVE_NO_MEMORY(done_r);
628
629 done = &done_r->msg->r.SearchResultDone;
630 done->dn = NULL;
631 done->referral = NULL;
632
633 if (result != -1) {
634 } else if (ldb_ret == LDB_SUCCESS) {
635 if (res->count >= success_limit) {
636 DEBUG(10,("SearchRequest: results: [%d]\n", res->count));
637 result = LDAP_SUCCESS;
638 errstr = NULL;
639 }
640 if (res->controls) {
641 done_r->msg->controls = res->controls;
642 talloc_steal(done_r, res->controls);
643 }
644 } else {
645 DEBUG(10,("SearchRequest: error\n"));
646 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
647 &errstr);
648 }
649
650 done->resultcode = result;
651 done->errormessage = (errstr?talloc_strdup(done_r, errstr):NULL);
652
653 talloc_free(local_ctx);
654
655 ldapsrv_queue_reply(call, done_r);
656 return NT_STATUS_OK;
657 }
658
659 static NTSTATUS ldapsrv_ModifyRequest(struct ldapsrv_call *call)
660 {
661 struct ldap_ModifyRequest *req = &call->request->r.ModifyRequest;
662 struct ldap_Result *modify_result;
663 struct ldapsrv_reply *modify_reply;
664 TALLOC_CTX *local_ctx;
665 struct ldb_context *samdb = call->conn->ldb;
666 struct ldb_message *msg = NULL;
667 struct ldb_dn *dn;
668 const char *errstr = NULL;
669 int result = LDAP_SUCCESS;
670 int ldb_ret;
671 unsigned int i,j;
672 struct ldb_result *res = NULL;
673
674 DEBUG(10, ("ModifyRequest"));
675 DEBUGADD(10, (" dn: %s", req->dn));
676
677 local_ctx = talloc_named(call, 0, "ModifyRequest local memory context");
678 NT_STATUS_HAVE_NO_MEMORY(local_ctx);
679
680 dn = ldb_dn_new(local_ctx, samdb, req->dn);
681 VALID_DN_SYNTAX(dn);
682
683 DEBUG(10, ("ModifyRequest: dn: [%s]\n", req->dn));
684
685 msg = talloc(local_ctx, struct ldb_message);
686 NT_STATUS_HAVE_NO_MEMORY(msg);
687
688 msg->dn = dn;
689 msg->num_elements = 0;
690 msg->elements = NULL;
691
692 if (req->num_mods > 0) {
693 msg->num_elements = req->num_mods;
694 msg->elements = talloc_array(msg, struct ldb_message_element, req->num_mods);
695 NT_STATUS_HAVE_NO_MEMORY(msg->elements);
696
697 for (i=0; i < msg->num_elements; i++) {
698 msg->elements[i].name = discard_const_p(char, req->mods[i].attrib.name);
699 msg->elements[i].num_values = 0;
700 msg->elements[i].values = NULL;
701
702 switch (req->mods[i].type) {
703 default:
704 result = LDAP_PROTOCOL_ERROR;
705 map_ldb_error(local_ctx,
706 LDB_ERR_PROTOCOL_ERROR, NULL, &errstr);
707 errstr = talloc_asprintf(local_ctx,
708 "%s. Invalid LDAP_MODIFY_* type", errstr);
709 goto reply;
710 case LDAP_MODIFY_ADD:
711 msg->elements[i].flags = LDB_FLAG_MOD_ADD;
712 break;
713 case LDAP_MODIFY_DELETE:
714 msg->elements[i].flags = LDB_FLAG_MOD_DELETE;
715 break;
716 case LDAP_MODIFY_REPLACE:
717 msg->elements[i].flags = LDB_FLAG_MOD_REPLACE;
718 break;
719 }
720
721 msg->elements[i].num_values = req->mods[i].attrib.num_values;
722 if (msg->elements[i].num_values > 0) {
723 msg->elements[i].values = talloc_array(msg->elements, struct ldb_val,
724 msg->elements[i].num_values);
725 NT_STATUS_HAVE_NO_MEMORY(msg->elements[i].values);
726
727 for (j=0; j < msg->elements[i].num_values; j++) {
728 msg->elements[i].values[j].length = req->mods[i].attrib.values[j].length;
729 msg->elements[i].values[j].data = req->mods[i].attrib.values[j].data;
730 }
731 }
732 }
733 }
734
735 reply:
736 modify_reply = ldapsrv_init_reply(call, LDAP_TAG_ModifyResponse);
737 NT_STATUS_HAVE_NO_MEMORY(modify_reply);
738
739 if (result == LDAP_SUCCESS) {
740 res = talloc_zero(local_ctx, struct ldb_result);
741 NT_STATUS_HAVE_NO_MEMORY(res);
742 ldb_ret = ldb_mod_req_with_controls(samdb, msg, call->request->controls, res);
743 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
744 &errstr);
745 }
746
747 modify_result = &modify_reply->msg->r.AddResponse;
748 modify_result->dn = NULL;
749
750 if (res->refs != NULL) {
751 modify_result->resultcode = map_ldb_error(local_ctx,
752 LDB_ERR_REFERRAL,
753 NULL, &errstr);
754 modify_result->errormessage = (errstr?talloc_strdup(modify_reply, errstr):NULL);
755 modify_result->referral = talloc_strdup(call, *res->refs);
756 } else {
757 modify_result->resultcode = result;
758 modify_result->errormessage = (errstr?talloc_strdup(modify_reply, errstr):NULL);
759 modify_result->referral = NULL;
760 }
761 talloc_free(local_ctx);
762
763 ldapsrv_queue_reply(call, modify_reply);
764 return NT_STATUS_OK;
765
766 }
767
768 static NTSTATUS ldapsrv_AddRequest(struct ldapsrv_call *call)
769 {
770 struct ldap_AddRequest *req = &call->request->r.AddRequest;
771 struct ldap_Result *add_result;
772 struct ldapsrv_reply *add_reply;
773 TALLOC_CTX *local_ctx;
774 struct ldb_context *samdb = call->conn->ldb;
775 struct ldb_message *msg = NULL;
776 struct ldb_dn *dn;
777 const char *errstr = NULL;
778 int result = LDAP_SUCCESS;
779 int ldb_ret;
780 unsigned int i,j;
781 struct ldb_result *res = NULL;
782
783 DEBUG(10, ("AddRequest"));
784 DEBUGADD(10, (" dn: %s", req->dn));
785
786 local_ctx = talloc_named(call, 0, "AddRequest local memory context");
787 NT_STATUS_HAVE_NO_MEMORY(local_ctx);
788
789 dn = ldb_dn_new(local_ctx, samdb, req->dn);
790 VALID_DN_SYNTAX(dn);
791
792 DEBUG(10, ("AddRequest: dn: [%s]\n", req->dn));
793
794 msg = talloc(local_ctx, struct ldb_message);
795 NT_STATUS_HAVE_NO_MEMORY(msg);
796
797 msg->dn = dn;
798 msg->num_elements = 0;
799 msg->elements = NULL;
800
801 if (req->num_attributes > 0) {
802 msg->num_elements = req->num_attributes;
803 msg->elements = talloc_array(msg, struct ldb_message_element, msg->num_elements);
804 NT_STATUS_HAVE_NO_MEMORY(msg->elements);
805
806 for (i=0; i < msg->num_elements; i++) {
807 msg->elements[i].name = discard_const_p(char, req->attributes[i].name);
808 msg->elements[i].flags = 0;
809 msg->elements[i].num_values = 0;
810 msg->elements[i].values = NULL;
811
812 if (req->attributes[i].num_values > 0) {
813 msg->elements[i].num_values = req->attributes[i].num_values;
814 msg->elements[i].values = talloc_array(msg->elements, struct ldb_val,
815 msg->elements[i].num_values);
816 NT_STATUS_HAVE_NO_MEMORY(msg->elements[i].values);
817
818 for (j=0; j < msg->elements[i].num_values; j++) {
819 msg->elements[i].values[j].length = req->attributes[i].values[j].length;
820 msg->elements[i].values[j].data = req->attributes[i].values[j].data;
821 }
822 }
823 }
824 }
825
826 reply:
827 add_reply = ldapsrv_init_reply(call, LDAP_TAG_AddResponse);
828 NT_STATUS_HAVE_NO_MEMORY(add_reply);
829
830 if (result == LDAP_SUCCESS) {
831 res = talloc_zero(local_ctx, struct ldb_result);
832 NT_STATUS_HAVE_NO_MEMORY(res);
833 ldb_ret = ldb_add_with_context(samdb, msg, res);
834 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
835 &errstr);
836 }
837
838 add_result = &add_reply->msg->r.AddResponse;
839 add_result->dn = NULL;
840 if (res->refs != NULL) {
841 add_result->resultcode = map_ldb_error(local_ctx,
842 LDB_ERR_REFERRAL, NULL,
843 &errstr);
844 add_result->errormessage = (errstr?talloc_strdup(add_reply,errstr):NULL);
845 add_result->referral = talloc_strdup(call, *res->refs);
846 } else {
847 add_result->resultcode = result;
848 add_result->errormessage = (errstr?talloc_strdup(add_reply,errstr):NULL);
849 add_result->referral = NULL;
850 }
851 talloc_free(local_ctx);
852
853 ldapsrv_queue_reply(call, add_reply);
854 return NT_STATUS_OK;
855
856 }
857
858 static NTSTATUS ldapsrv_DelRequest(struct ldapsrv_call *call)
859 {
860 struct ldap_DelRequest *req = &call->request->r.DelRequest;
861 struct ldap_Result *del_result;
862 struct ldapsrv_reply *del_reply;
863 TALLOC_CTX *local_ctx;
864 struct ldb_context *samdb = call->conn->ldb;
865 struct ldb_dn *dn;
866 const char *errstr = NULL;
867 int result = LDAP_SUCCESS;
868 int ldb_ret;
869 struct ldb_result *res = NULL;
870
871 DEBUG(10, ("DelRequest"));
872 DEBUGADD(10, (" dn: %s", req->dn));
873
874 local_ctx = talloc_named(call, 0, "DelRequest local memory context");
875 NT_STATUS_HAVE_NO_MEMORY(local_ctx);
876
877 dn = ldb_dn_new(local_ctx, samdb, req->dn);
878 VALID_DN_SYNTAX(dn);
879
880 DEBUG(10, ("DelRequest: dn: [%s]\n", req->dn));
881
882 reply:
883 del_reply = ldapsrv_init_reply(call, LDAP_TAG_DelResponse);
884 NT_STATUS_HAVE_NO_MEMORY(del_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 = ldb_delete_with_context(samdb, dn, res);
890 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
891 &errstr);
892 }
893
894 del_result = &del_reply->msg->r.DelResponse;
895 del_result->dn = NULL;
896 if (res->refs != NULL) {
897 del_result->resultcode = map_ldb_error(local_ctx,
898 LDB_ERR_REFERRAL, NULL,
899 &errstr);
900 del_result->errormessage = (errstr?talloc_strdup(del_reply,errstr):NULL);
901 del_result->referral = talloc_strdup(call, *res->refs);
902 } else {
903 del_result->resultcode = result;
904 del_result->errormessage = (errstr?talloc_strdup(del_reply,errstr):NULL);
905 del_result->referral = NULL;
906 }
907
908 talloc_free(local_ctx);
909
910 ldapsrv_queue_reply(call, del_reply);
911 return NT_STATUS_OK;
912 }
913
914 static NTSTATUS ldapsrv_ModifyDNRequest(struct ldapsrv_call *call)
915 {
916 struct ldap_ModifyDNRequest *req = &call->request->r.ModifyDNRequest;
917 struct ldap_Result *modifydn;
918 struct ldapsrv_reply *modifydn_r;
919 TALLOC_CTX *local_ctx;
920 struct ldb_context *samdb = call->conn->ldb;
921 struct ldb_dn *olddn, *newdn=NULL, *newrdn;
922 struct ldb_dn *parentdn = NULL;
923 const char *errstr = NULL;
924 int result = LDAP_SUCCESS;
925 int ldb_ret;
926 struct ldb_result *res = NULL;
927
928 DEBUG(10, ("ModifyDNRequest"));
929 DEBUGADD(10, (" dn: %s", req->dn));
930 DEBUGADD(10, (" newrdn: %s", req->newrdn));
931
932 local_ctx = talloc_named(call, 0, "ModifyDNRequest local memory context");
933 NT_STATUS_HAVE_NO_MEMORY(local_ctx);
934
935 olddn = ldb_dn_new(local_ctx, samdb, req->dn);
936 VALID_DN_SYNTAX(olddn);
937
938 newrdn = ldb_dn_new(local_ctx, samdb, req->newrdn);
939 VALID_DN_SYNTAX(newrdn);
940
941 DEBUG(10, ("ModifyDNRequest: olddn: [%s]\n", req->dn));
942 DEBUG(10, ("ModifyDNRequest: newrdn: [%s]\n", req->newrdn));
943
944 if (ldb_dn_get_comp_num(newrdn) != 1) {
945 result = LDAP_INVALID_DN_SYNTAX;
946 map_ldb_error(local_ctx, LDB_ERR_INVALID_DN_SYNTAX, NULL,
947 &errstr);
948 goto reply;
949 }
950
951 /* we can't handle the rename if we should not remove the old dn */
952 if (!req->deleteolddn) {
953 result = LDAP_UNWILLING_TO_PERFORM;
954 map_ldb_error(local_ctx, LDB_ERR_UNWILLING_TO_PERFORM, NULL,
955 &errstr);
956 errstr = talloc_asprintf(local_ctx,
957 "%s. Old RDN must be deleted", errstr);
958 goto reply;
959 }
960
961 if (req->newsuperior) {
962 parentdn = ldb_dn_new(local_ctx, samdb, req->newsuperior);
963 VALID_DN_SYNTAX(parentdn);
964 DEBUG(10, ("ModifyDNRequest: newsuperior: [%s]\n", req->newsuperior));
965
966 if (ldb_dn_get_comp_num(parentdn) < 1) {
967 result = LDAP_AFFECTS_MULTIPLE_DSAS;
968 map_ldb_error(local_ctx, LDB_ERR_AFFECTS_MULTIPLE_DSAS,
969 NULL, &errstr);
970 errstr = talloc_asprintf(local_ctx,
971 "%s. Error new Superior DN invalid", errstr);
972 goto reply;
973 }
974 }
975
976 if (!parentdn) {
977 parentdn = ldb_dn_get_parent(local_ctx, olddn);
978 NT_STATUS_HAVE_NO_MEMORY(parentdn);
979 }
980
981 if ( ! ldb_dn_add_child(parentdn, newrdn)) {
982 result = LDAP_OTHER;
983 goto reply;
984 }
985 newdn = parentdn;
986
987 reply:
988 modifydn_r = ldapsrv_init_reply(call, LDAP_TAG_ModifyDNResponse);
989 NT_STATUS_HAVE_NO_MEMORY(modifydn_r);
990
991 if (result == LDAP_SUCCESS) {
992 res = talloc_zero(local_ctx, struct ldb_result);
993 NT_STATUS_HAVE_NO_MEMORY(res);
994 ldb_ret = ldb_rename_with_context(samdb, olddn, newdn, res);
995 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
996 &errstr);
997 }
998
999 modifydn = &modifydn_r->msg->r.ModifyDNResponse;
1000 modifydn->dn = NULL;
1001 if (res->refs != NULL) {
1002 modifydn->resultcode = map_ldb_error(local_ctx,
1003 LDB_ERR_REFERRAL, NULL,
1004 &errstr);;
1005 modifydn->errormessage = (errstr?talloc_strdup(modifydn_r,errstr):NULL);
1006 modifydn->referral = talloc_strdup(call, *res->refs);
1007 } else {
1008 modifydn->resultcode = result;
1009 modifydn->errormessage = (errstr?talloc_strdup(modifydn_r,errstr):NULL);
1010 modifydn->referral = NULL;
1011 }
1012
1013 talloc_free(local_ctx);
1014
1015 ldapsrv_queue_reply(call, modifydn_r);
1016 return NT_STATUS_OK;
1017 }
1018
1019 static NTSTATUS ldapsrv_CompareRequest(struct ldapsrv_call *call)
1020 {
1021 struct ldap_CompareRequest *req = &call->request->r.CompareRequest;
1022 struct ldap_Result *compare;
1023 struct ldapsrv_reply *compare_r;
1024 TALLOC_CTX *local_ctx;
1025 struct ldb_context *samdb = call->conn->ldb;
1026 struct ldb_result *res = NULL;
1027 struct ldb_dn *dn;
1028 const char *attrs[1];
1029 const char *errstr = NULL;
1030 const char *filter = NULL;
1031 int result = LDAP_SUCCESS;
1032 int ldb_ret;
1033
1034 DEBUG(10, ("CompareRequest"));
1035 DEBUGADD(10, (" dn: %s", req->dn));
1036
1037 local_ctx = talloc_named(call, 0, "CompareRequest local_memory_context");
1038 NT_STATUS_HAVE_NO_MEMORY(local_ctx);
1039
1040 dn = ldb_dn_new(local_ctx, samdb, req->dn);
1041 VALID_DN_SYNTAX(dn);
1042
1043 DEBUG(10, ("CompareRequest: dn: [%s]\n", req->dn));
1044 filter = talloc_asprintf(local_ctx, "(%s=%*s)", req->attribute,
1045 (int)req->value.length, req->value.data);
1046 NT_STATUS_HAVE_NO_MEMORY(filter);
1047
1048 DEBUGADD(10, ("CompareRequest: attribute: [%s]\n", filter));
1049
1050 attrs[0] = NULL;
1051
1052 reply:
1053 compare_r = ldapsrv_init_reply(call, LDAP_TAG_CompareResponse);
1054 NT_STATUS_HAVE_NO_MEMORY(compare_r);
1055
1056 if (result == LDAP_SUCCESS) {
1057 ldb_ret = ldb_search(samdb, local_ctx, &res,
1058 dn, LDB_SCOPE_BASE, attrs, "%s", filter);
1059 if (ldb_ret != LDB_SUCCESS) {
1060 result = map_ldb_error(local_ctx, ldb_ret,
1061 ldb_errstring(samdb), &errstr);
1062 DEBUG(10,("CompareRequest: error: %s\n", errstr));
1063 } else if (res->count == 0) {
1064 DEBUG(10,("CompareRequest: doesn't matched\n"));
1065 result = LDAP_COMPARE_FALSE;
1066 errstr = NULL;
1067 } else if (res->count == 1) {
1068 DEBUG(10,("CompareRequest: matched\n"));
1069 result = LDAP_COMPARE_TRUE;
1070 errstr = NULL;
1071 } else if (res->count > 1) {
1072 result = LDAP_OTHER;
1073 map_ldb_error(local_ctx, LDB_ERR_OTHER, NULL, &errstr);
1074 errstr = talloc_asprintf(local_ctx,
1075 "%s. Too many objects match!", errstr);
1076 DEBUG(10,("CompareRequest: %d results: %s\n", res->count, errstr));
1077 }
1078 }
1079
1080 compare = &compare_r->msg->r.CompareResponse;
1081 compare->dn = NULL;
1082 compare->resultcode = result;
1083 compare->errormessage = (errstr?talloc_strdup(compare_r,errstr):NULL);
1084 compare->referral = NULL;
1085
1086 talloc_free(local_ctx);
1087
1088 ldapsrv_queue_reply(call, compare_r);
1089 return NT_STATUS_OK;
1090 }
1091
1092 static NTSTATUS ldapsrv_AbandonRequest(struct ldapsrv_call *call)
1093 {
1094 /* struct ldap_AbandonRequest *req = &call->request.r.AbandonRequest;*/
1095 DEBUG(10, ("AbandonRequest\n"));
1096 return NT_STATUS_OK;
1097 }
1098
1099 NTSTATUS ldapsrv_do_call(struct ldapsrv_call *call)
1100 {
1101 unsigned int i;
1102 struct ldap_message *msg = call->request;
1103 /* Check for undecoded critical extensions */
1104 for (i=0; msg->controls && msg->controls[i]; i++) {
1105 if (!msg->controls_decoded[i] &&
1106 msg->controls[i]->critical) {
1107 DEBUG(3, ("ldapsrv_do_call: Critical extension %s is not known to this server\n",
1108 msg->controls[i]->oid));
1109 return ldapsrv_unwilling(call, LDAP_UNAVAILABLE_CRITICAL_EXTENSION);
1110 }
1111 }
1112
1113 switch(call->request->type) {
1114 case LDAP_TAG_BindRequest:
1115 return ldapsrv_BindRequest(call);
1116 case LDAP_TAG_UnbindRequest:
1117 return ldapsrv_UnbindRequest(call);
1118 case LDAP_TAG_SearchRequest:
1119 return ldapsrv_SearchRequest(call);
1120 case LDAP_TAG_ModifyRequest:
1121 return ldapsrv_ModifyRequest(call);
1122 case LDAP_TAG_AddRequest:
1123 return ldapsrv_AddRequest(call);
1124 case LDAP_TAG_DelRequest:
1125 return ldapsrv_DelRequest(call);
1126 case LDAP_TAG_ModifyDNRequest:
1127 return ldapsrv_ModifyDNRequest(call);
1128 case LDAP_TAG_CompareRequest:
1129 return ldapsrv_CompareRequest(call);
1130 case LDAP_TAG_AbandonRequest:
1131 return ldapsrv_AbandonRequest(call);
1132 case LDAP_TAG_ExtendedRequest:
1133 return ldapsrv_ExtendedRequest(call);
1134 default:
1135 return ldapsrv_unwilling(call, 2);
1136 }
1137 }