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mark samAccountName, objectGUID and objectSID as unique indexed
[Samba/aatanasov.git] / source4 / ldap_server / ldap_backend.c
bloba091c1d11e9623e339b4852a20dd6fb010e17bcf
1 /*
2 Unix SMB/CIFS implementation.
3 LDAP server
4 Copyright (C) Stefan Metzmacher 2004
5
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>.
18 */
19
20 #include "includes.h"
21 #include "ldap_server/ldap_server.h"
22 #include "../lib/util/dlinklist.h"
23 #include "libcli/ldap/ldap.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 errstr = "Invalid DN format";\
38 goto reply;\
39 }\
40 } while(0)
41
42 static int map_ldb_error(struct ldb_context *ldb, int err, const char **errstring)
43 {
44 *errstring = ldb_errstring(ldb);
45
46 /* its 1:1 for now */
47 return err;
48 }
49
50 /*
51 connect to the sam database
52 */
53 NTSTATUS ldapsrv_backend_Init(struct ldapsrv_connection *conn)
54 {
55 conn->ldb = ldb_wrap_connect(conn,
56 conn->connection->event.ctx,
57 conn->lp_ctx,
58 lp_sam_url(conn->lp_ctx),
59 conn->session_info,
60 samdb_credentials(conn, conn->connection->event.ctx, conn->lp_ctx),
61 conn->global_catalog ? LDB_FLG_RDONLY : 0, NULL);
62 if (conn->ldb == NULL) {
63 return NT_STATUS_INTERNAL_DB_CORRUPTION;
64 }
65
66 if (conn->server_credentials) {
67 char **sasl_mechs = NULL;
68 struct gensec_security_ops **backends = gensec_security_all();
69 struct gensec_security_ops **ops
70 = gensec_use_kerberos_mechs(conn, backends, conn->server_credentials);
71 int i, j = 0;
72 for (i = 0; ops && ops[i]; i++) {
73 if (!gensec_security_ops_enabled(ops[i], conn->lp_ctx))
74 continue;
75
76 if (ops[i]->sasl_name && ops[i]->server_start) {
77 char *sasl_name = talloc_strdup(conn, ops[i]->sasl_name);
78
79 if (!sasl_name) {
80 return NT_STATUS_NO_MEMORY;
81 }
82 sasl_mechs = talloc_realloc(conn, sasl_mechs, char *, j + 2);
83 if (!sasl_mechs) {
84 return NT_STATUS_NO_MEMORY;
85 }
86 sasl_mechs[j] = sasl_name;
87 talloc_steal(sasl_mechs, sasl_name);
88 sasl_mechs[j+1] = NULL;
89 j++;
90 }
91 }
92 talloc_free(ops);
93 ldb_set_opaque(conn->ldb, "supportedSASLMechanims", sasl_mechs);
94 }
95
96 return NT_STATUS_OK;
97 }
98
99 struct ldapsrv_reply *ldapsrv_init_reply(struct ldapsrv_call *call, uint8_t type)
100 {
101 struct ldapsrv_reply *reply;
102
103 reply = talloc(call, struct ldapsrv_reply);
104 if (!reply) {
105 return NULL;
106 }
107 reply->msg = talloc(reply, struct ldap_message);
108 if (reply->msg == NULL) {
109 talloc_free(reply);
110 return NULL;
111 }
112
113 reply->msg->messageid = call->request->messageid;
114 reply->msg->type = type;
115 reply->msg->controls = NULL;
116
117 return reply;
118 }
119
120 void ldapsrv_queue_reply(struct ldapsrv_call *call, struct ldapsrv_reply *reply)
121 {
122 DLIST_ADD_END(call->replies, reply, struct ldapsrv_reply *);
123 }
124
125 static NTSTATUS ldapsrv_unwilling(struct ldapsrv_call *call, int error)
126 {
127 struct ldapsrv_reply *reply;
128 struct ldap_ExtendedResponse *r;
129
130 DEBUG(10,("Unwilling type[%d] id[%d]\n", call->request->type, call->request->messageid));
131
132 reply = ldapsrv_init_reply(call, LDAP_TAG_ExtendedResponse);
133 if (!reply) {
134 return NT_STATUS_NO_MEMORY;
135 }
136
137 r = &reply->msg->r.ExtendedResponse;
138 r->response.resultcode = error;
139 r->response.dn = NULL;
140 r->response.errormessage = NULL;
141 r->response.referral = NULL;
142 r->oid = NULL;
143 r->value = NULL;
144
145 ldapsrv_queue_reply(call, reply);
146 return NT_STATUS_OK;
147 }
148
149 static NTSTATUS ldapsrv_SearchRequest(struct ldapsrv_call *call)
150 {
151 struct ldap_SearchRequest *req = &call->request->r.SearchRequest;
152 struct ldap_SearchResEntry *ent;
153 struct ldap_Result *done;
154 struct ldapsrv_reply *ent_r, *done_r;
155 void *local_ctx;
156 struct ldb_context *samdb = talloc_get_type(call->conn->ldb, struct ldb_context);
157 struct ldb_dn *basedn;
158 struct ldb_result *res = NULL;
159 struct ldb_request *lreq;
160 struct ldb_control *search_control;
161 struct ldb_search_options_control *search_options;
162 struct ldb_control *extended_dn_control;
163 struct ldb_extended_dn_control *extended_dn_decoded = NULL;
164 enum ldb_scope scope = LDB_SCOPE_DEFAULT;
165 const char **attrs = NULL;
166 const char *scope_str, *errstr = NULL;
167 int success_limit = 1;
168 int result = -1;
169 int ldb_ret = -1;
170 int i, j;
171 int extended_type = 1;
172
173 DEBUG(10, ("SearchRequest"));
174 DEBUGADD(10, (" basedn: %s", req->basedn));
175 DEBUGADD(10, (" filter: %s\n", ldb_filter_from_tree(call, req->tree)));
176
177 local_ctx = talloc_new(call);
178 NT_STATUS_HAVE_NO_MEMORY(local_ctx);
179
180 basedn = ldb_dn_new(local_ctx, samdb, req->basedn);
181 VALID_DN_SYNTAX(basedn);
182
183 DEBUG(10, ("SearchRequest: basedn: [%s]\n", req->basedn));
184 DEBUG(10, ("SearchRequest: filter: [%s]\n", ldb_filter_from_tree(call, req->tree)));
185
186 switch (req->scope) {
187 case LDAP_SEARCH_SCOPE_BASE:
188 scope_str = "BASE";
189 scope = LDB_SCOPE_BASE;
190 success_limit = 0;
191 break;
192 case LDAP_SEARCH_SCOPE_SINGLE:
193 scope_str = "ONE";
194 scope = LDB_SCOPE_ONELEVEL;
195 success_limit = 0;
196 break;
197 case LDAP_SEARCH_SCOPE_SUB:
198 scope_str = "SUB";
199 scope = LDB_SCOPE_SUBTREE;
200 success_limit = 0;
201 break;
202 default:
203 result = LDAP_PROTOCOL_ERROR;
204 errstr = "Invalid scope";
205 goto reply;
206 }
207 DEBUG(10,("SearchRequest: scope: [%s]\n", scope_str));
208
209 if (req->num_attributes >= 1) {
210 attrs = talloc_array(local_ctx, const char *, req->num_attributes+1);
211 NT_STATUS_HAVE_NO_MEMORY(attrs);
212
213 for (i=0; i < req->num_attributes; i++) {
214 DEBUG(10,("SearchRequest: attrs: [%s]\n",req->attributes[i]));
215 attrs[i] = req->attributes[i];
216 }
217 attrs[i] = NULL;
218 }
219
220 DEBUG(5,("ldb_request %s dn=%s filter=%s\n",
221 scope_str, req->basedn, ldb_filter_from_tree(call, req->tree)));
222
223 res = talloc_zero(local_ctx, struct ldb_result);
224 NT_STATUS_HAVE_NO_MEMORY(res);
225
226 ldb_ret = ldb_build_search_req_ex(&lreq, samdb, local_ctx,
227 basedn, scope,
228 req->tree, attrs,
229 call->request->controls,
230 res, ldb_search_default_callback,
231 NULL);
232
233 if (ldb_ret != LDB_SUCCESS) {
234 goto reply;
235 }
236
237 if (call->conn->global_catalog) {
238 search_control = ldb_request_get_control(lreq, LDB_CONTROL_SEARCH_OPTIONS_OID);
239
240 search_options = NULL;
241 if (search_control) {
242 search_options = talloc_get_type(search_control->data, struct ldb_search_options_control);
243 search_options->search_options |= LDB_SEARCH_OPTION_PHANTOM_ROOT;
244 } else {
245 search_options = talloc(lreq, struct ldb_search_options_control);
246 NT_STATUS_HAVE_NO_MEMORY(search_options);
247 search_options->search_options = LDB_SEARCH_OPTION_PHANTOM_ROOT;
248 ldb_request_add_control(lreq, LDB_CONTROL_SEARCH_OPTIONS_OID, false, search_options);
249 }
250 }
251
252 extended_dn_control = ldb_request_get_control(lreq, LDB_CONTROL_EXTENDED_DN_OID);
253
254 if (extended_dn_control) {
255 if (extended_dn_control->data) {
256 extended_dn_decoded = talloc_get_type(extended_dn_control->data, struct ldb_extended_dn_control);
257 extended_type = extended_dn_decoded->type;
258 } else {
259 extended_type = 0;
260 }
261 }
262
263 ldb_set_timeout(samdb, lreq, req->timelimit);
264
265 ldb_ret = ldb_request(samdb, lreq);
266
267 if (ldb_ret != LDB_SUCCESS) {
268 goto reply;
269 }
270
271 ldb_ret = ldb_wait(lreq->handle, LDB_WAIT_ALL);
272
273 if (ldb_ret == LDB_SUCCESS) {
274 for (i = 0; i < res->count; i++) {
275 ent_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultEntry);
276 NT_STATUS_HAVE_NO_MEMORY(ent_r);
277
278 /* Better to have the whole message kept here,
279 * than to find someone further up didn't put
280 * a value in the right spot in the talloc tree */
281 talloc_steal(ent_r, res->msgs[i]);
282
283 ent = &ent_r->msg->r.SearchResultEntry;
284 ent->dn = ldb_dn_get_extended_linearized(ent_r, res->msgs[i]->dn, extended_type);
285 ent->num_attributes = 0;
286 ent->attributes = NULL;
287 if (res->msgs[i]->num_elements == 0) {
288 goto queue_reply;
289 }
290 ent->num_attributes = res->msgs[i]->num_elements;
291 ent->attributes = talloc_array(ent_r, struct ldb_message_element, ent->num_attributes);
292 NT_STATUS_HAVE_NO_MEMORY(ent->attributes);
293 for (j=0; j < ent->num_attributes; j++) {
294 ent->attributes[j].name = talloc_steal(ent->attributes, res->msgs[i]->elements[j].name);
295 ent->attributes[j].num_values = 0;
296 ent->attributes[j].values = NULL;
297 if (req->attributesonly && (res->msgs[i]->elements[j].num_values == 0)) {
298 continue;
299 }
300 ent->attributes[j].num_values = res->msgs[i]->elements[j].num_values;
301 ent->attributes[j].values = res->msgs[i]->elements[j].values;
302 talloc_steal(ent->attributes, res->msgs[i]->elements[j].values);
303 }
304 queue_reply:
305 ldapsrv_queue_reply(call, ent_r);
306 }
307 }
308
309 reply:
310 done_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultDone);
311 NT_STATUS_HAVE_NO_MEMORY(done_r);
312
313 done = &done_r->msg->r.SearchResultDone;
314 done->dn = NULL;
315 done->referral = NULL;
316
317 if (result != -1) {
318 } else if (ldb_ret == LDB_SUCCESS) {
319 if (res->count >= success_limit) {
320 DEBUG(10,("SearchRequest: results: [%d]\n", res->count));
321 result = LDAP_SUCCESS;
322 errstr = NULL;
323 }
324 if (res->controls) {
325 done_r->msg->controls = res->controls;
326 talloc_steal(done_r, res->controls);
327 }
328 } else {
329 DEBUG(10,("SearchRequest: error\n"));
330 result = map_ldb_error(samdb, ldb_ret, &errstr);
331 }
332
333 done->resultcode = result;
334 done->errormessage = (errstr?talloc_strdup(done_r, errstr):NULL);
335
336 talloc_free(local_ctx);
337
338 ldapsrv_queue_reply(call, done_r);
339 return NT_STATUS_OK;
340 }
341
342 static NTSTATUS ldapsrv_ModifyRequest(struct ldapsrv_call *call)
343 {
344 struct ldap_ModifyRequest *req = &call->request->r.ModifyRequest;
345 struct ldap_Result *modify_result;
346 struct ldapsrv_reply *modify_reply;
347 void *local_ctx;
348 struct ldb_context *samdb = call->conn->ldb;
349 struct ldb_message *msg = NULL;
350 struct ldb_dn *dn;
351 const char *errstr = NULL;
352 int result = LDAP_SUCCESS;
353 int ldb_ret;
354 int i,j;
355
356 DEBUG(10, ("ModifyRequest"));
357 DEBUGADD(10, (" dn: %s", req->dn));
358
359 local_ctx = talloc_named(call, 0, "ModifyRequest local memory context");
360 NT_STATUS_HAVE_NO_MEMORY(local_ctx);
361
362 dn = ldb_dn_new(local_ctx, samdb, req->dn);
363 VALID_DN_SYNTAX(dn);
364
365 DEBUG(10, ("ModifyRequest: dn: [%s]\n", req->dn));
366
367 msg = talloc(local_ctx, struct ldb_message);
368 NT_STATUS_HAVE_NO_MEMORY(msg);
369
370 msg->dn = dn;
371 msg->num_elements = 0;
372 msg->elements = NULL;
373
374 if (req->num_mods > 0) {
375 msg->num_elements = req->num_mods;
376 msg->elements = talloc_array(msg, struct ldb_message_element, req->num_mods);
377 NT_STATUS_HAVE_NO_MEMORY(msg->elements);
378
379 for (i=0; i < msg->num_elements; i++) {
380 msg->elements[i].name = discard_const_p(char, req->mods[i].attrib.name);
381 msg->elements[i].num_values = 0;
382 msg->elements[i].values = NULL;
383
384 switch (req->mods[i].type) {
385 default:
386 result = LDAP_PROTOCOL_ERROR;
387 errstr = "Invalid LDAP_MODIFY_* type";
388 goto reply;
389 case LDAP_MODIFY_ADD:
390 msg->elements[i].flags = LDB_FLAG_MOD_ADD;
391 break;
392 case LDAP_MODIFY_DELETE:
393 msg->elements[i].flags = LDB_FLAG_MOD_DELETE;
394 break;
395 case LDAP_MODIFY_REPLACE:
396 msg->elements[i].flags = LDB_FLAG_MOD_REPLACE;
397 break;
398 }
399
400 msg->elements[i].num_values = req->mods[i].attrib.num_values;
401 if (msg->elements[i].num_values > 0) {
402 msg->elements[i].values = talloc_array(msg->elements, struct ldb_val,
403 msg->elements[i].num_values);
404 NT_STATUS_HAVE_NO_MEMORY(msg->elements[i].values);
405
406 for (j=0; j < msg->elements[i].num_values; j++) {
407 if (!(req->mods[i].attrib.values[j].length > 0)) {
408 result = LDAP_OTHER;
409 errstr = "Empty attribute values are not allowed";
410 goto reply;
411 }
412 msg->elements[i].values[j].length = req->mods[i].attrib.values[j].length;
413 msg->elements[i].values[j].data = req->mods[i].attrib.values[j].data;
414 }
415 }
416 }
417 } else {
418 result = LDAP_OTHER;
419 errstr = "No mods are not allowed";
420 goto reply;
421 }
422
423 reply:
424 modify_reply = ldapsrv_init_reply(call, LDAP_TAG_ModifyResponse);
425 NT_STATUS_HAVE_NO_MEMORY(modify_reply);
426
427 if (result == LDAP_SUCCESS) {
428 ldb_ret = ldb_modify(samdb, msg);
429 result = map_ldb_error(samdb, ldb_ret, &errstr);
430 }
431
432 modify_result = &modify_reply->msg->r.AddResponse;
433 modify_result->dn = NULL;
434 modify_result->resultcode = result;
435 modify_result->errormessage = (errstr?talloc_strdup(modify_reply, errstr):NULL);
436 modify_result->referral = NULL;
437
438 talloc_free(local_ctx);
439
440 ldapsrv_queue_reply(call, modify_reply);
441 return NT_STATUS_OK;
442
443 }
444
445 static NTSTATUS ldapsrv_AddRequest(struct ldapsrv_call *call)
446 {
447 struct ldap_AddRequest *req = &call->request->r.AddRequest;
448 struct ldap_Result *add_result;
449 struct ldapsrv_reply *add_reply;
450 void *local_ctx;
451 struct ldb_context *samdb = call->conn->ldb;
452 struct ldb_message *msg = NULL;
453 struct ldb_dn *dn;
454 const char *errstr = NULL;
455 int result = LDAP_SUCCESS;
456 int ldb_ret;
457 int i,j;
458
459 DEBUG(10, ("AddRequest"));
460 DEBUGADD(10, (" dn: %s", req->dn));
461
462 local_ctx = talloc_named(call, 0, "AddRequest local memory context");
463 NT_STATUS_HAVE_NO_MEMORY(local_ctx);
464
465 dn = ldb_dn_new(local_ctx, samdb, req->dn);
466 VALID_DN_SYNTAX(dn);
467
468 DEBUG(10, ("AddRequest: dn: [%s]\n", req->dn));
469
470 msg = talloc(local_ctx, struct ldb_message);
471 NT_STATUS_HAVE_NO_MEMORY(msg);
472
473 msg->dn = dn;
474 msg->num_elements = 0;
475 msg->elements = NULL;
476
477 if (req->num_attributes > 0) {
478 msg->num_elements = req->num_attributes;
479 msg->elements = talloc_array(msg, struct ldb_message_element, msg->num_elements);
480 NT_STATUS_HAVE_NO_MEMORY(msg->elements);
481
482 for (i=0; i < msg->num_elements; i++) {
483 msg->elements[i].name = discard_const_p(char, req->attributes[i].name);
484 msg->elements[i].flags = 0;
485 msg->elements[i].num_values = 0;
486 msg->elements[i].values = NULL;
487
488 if (req->attributes[i].num_values > 0) {
489 msg->elements[i].num_values = req->attributes[i].num_values;
490 msg->elements[i].values = talloc_array(msg->elements, struct ldb_val,
491 msg->elements[i].num_values);
492 NT_STATUS_HAVE_NO_MEMORY(msg->elements[i].values);
493
494 for (j=0; j < msg->elements[i].num_values; j++) {
495 if (!(req->attributes[i].values[j].length > 0)) {
496 result = LDAP_OTHER;
497 errstr = "Empty attribute values are not allowed";
498 goto reply;
499 }
500 msg->elements[i].values[j].length = req->attributes[i].values[j].length;
501 msg->elements[i].values[j].data = req->attributes[i].values[j].data;
502 }
503 } else {
504 result = LDAP_OTHER;
505 errstr = "No attribute values are not allowed";
506 goto reply;
507 }
508 }
509 } else {
510 result = LDAP_OTHER;
511 errstr = "No attributes are not allowed";
512 goto reply;
513 }
514
515 reply:
516 add_reply = ldapsrv_init_reply(call, LDAP_TAG_AddResponse);
517 NT_STATUS_HAVE_NO_MEMORY(add_reply);
518
519 if (result == LDAP_SUCCESS) {
520 ldb_ret = ldb_add(samdb, msg);
521 result = map_ldb_error(samdb, ldb_ret, &errstr);
522 }
523
524 add_result = &add_reply->msg->r.AddResponse;
525 add_result->dn = NULL;
526 add_result->resultcode = result;
527 add_result->errormessage = (errstr?talloc_strdup(add_reply,errstr):NULL);
528 add_result->referral = NULL;
529
530 talloc_free(local_ctx);
531
532 ldapsrv_queue_reply(call, add_reply);
533 return NT_STATUS_OK;
534
535 }
536
537 static NTSTATUS ldapsrv_DelRequest(struct ldapsrv_call *call)
538 {
539 struct ldap_DelRequest *req = &call->request->r.DelRequest;
540 struct ldap_Result *del_result;
541 struct ldapsrv_reply *del_reply;
542 void *local_ctx;
543 struct ldb_context *samdb = call->conn->ldb;
544 struct ldb_dn *dn;
545 const char *errstr = NULL;
546 int result = LDAP_SUCCESS;
547 int ldb_ret;
548
549 DEBUG(10, ("DelRequest"));
550 DEBUGADD(10, (" dn: %s", req->dn));
551
552 local_ctx = talloc_named(call, 0, "DelRequest local memory context");
553 NT_STATUS_HAVE_NO_MEMORY(local_ctx);
554
555 dn = ldb_dn_new(local_ctx, samdb, req->dn);
556 VALID_DN_SYNTAX(dn);
557
558 DEBUG(10, ("DelRequest: dn: [%s]\n", req->dn));
559
560 reply:
561 del_reply = ldapsrv_init_reply(call, LDAP_TAG_DelResponse);
562 NT_STATUS_HAVE_NO_MEMORY(del_reply);
563
564 if (result == LDAP_SUCCESS) {
565 ldb_ret = ldb_delete(samdb, dn);
566 result = map_ldb_error(samdb, ldb_ret, &errstr);
567 }
568
569 del_result = &del_reply->msg->r.DelResponse;
570 del_result->dn = NULL;
571 del_result->resultcode = result;
572 del_result->errormessage = (errstr?talloc_strdup(del_reply,errstr):NULL);
573 del_result->referral = NULL;
574
575 talloc_free(local_ctx);
576
577 ldapsrv_queue_reply(call, del_reply);
578 return NT_STATUS_OK;
579 }
580
581 static NTSTATUS ldapsrv_ModifyDNRequest(struct ldapsrv_call *call)
582 {
583 struct ldap_ModifyDNRequest *req = &call->request->r.ModifyDNRequest;
584 struct ldap_Result *modifydn;
585 struct ldapsrv_reply *modifydn_r;
586 void *local_ctx;
587 struct ldb_context *samdb = call->conn->ldb;
588 struct ldb_dn *olddn, *newdn=NULL, *newrdn;
589 struct ldb_dn *parentdn = NULL;
590 const char *errstr = NULL;
591 int result = LDAP_SUCCESS;
592 int ldb_ret;
593
594 DEBUG(10, ("ModifyDNRequrest"));
595 DEBUGADD(10, (" dn: %s", req->dn));
596 DEBUGADD(10, (" newrdn: %s", req->newrdn));
597
598 local_ctx = talloc_named(call, 0, "ModifyDNRequest local memory context");
599 NT_STATUS_HAVE_NO_MEMORY(local_ctx);
600
601 olddn = ldb_dn_new(local_ctx, samdb, req->dn);
602 VALID_DN_SYNTAX(olddn);
603
604 newrdn = ldb_dn_new(local_ctx, samdb, req->newrdn);
605 VALID_DN_SYNTAX(newrdn);
606
607 DEBUG(10, ("ModifyDNRequest: olddn: [%s]\n", req->dn));
608 DEBUG(10, ("ModifyDNRequest: newrdn: [%s]\n", req->newrdn));
609
610 /* we can't handle the rename if we should not remove the old dn */
611 if (!req->deleteolddn) {
612 result = LDAP_UNWILLING_TO_PERFORM;
613 errstr = "Old RDN must be deleted";
614 goto reply;
615 }
616
617 if (req->newsuperior) {
618 parentdn = ldb_dn_new(local_ctx, samdb, req->newsuperior);
619 VALID_DN_SYNTAX(parentdn);
620 DEBUG(10, ("ModifyDNRequest: newsuperior: [%s]\n", req->newsuperior));
621
622 if (ldb_dn_get_comp_num(parentdn) < 1) {
623 result = LDAP_AFFECTS_MULTIPLE_DSAS;
624 errstr = "Error new Superior DN invalid";
625 goto reply;
626 }
627 }
628
629 if (!parentdn) {
630 parentdn = ldb_dn_get_parent(local_ctx, olddn);
631 NT_STATUS_HAVE_NO_MEMORY(parentdn);
632 }
633
634 if ( ! ldb_dn_add_child_fmt(parentdn,
635 "%s=%s",
636 ldb_dn_get_rdn_name(newrdn),
637 (char *)ldb_dn_get_rdn_val(newrdn)->data)) {
638 result = LDAP_OTHER;
639 goto reply;
640 }
641 newdn = parentdn;
642
643 reply:
644 modifydn_r = ldapsrv_init_reply(call, LDAP_TAG_ModifyDNResponse);
645 NT_STATUS_HAVE_NO_MEMORY(modifydn_r);
646
647 if (result == LDAP_SUCCESS) {
648 ldb_ret = ldb_rename(samdb, olddn, newdn);
649 result = map_ldb_error(samdb, ldb_ret, &errstr);
650 }
651
652 modifydn = &modifydn_r->msg->r.ModifyDNResponse;
653 modifydn->dn = NULL;
654 modifydn->resultcode = result;
655 modifydn->errormessage = (errstr?talloc_strdup(modifydn_r,errstr):NULL);
656 modifydn->referral = NULL;
657
658 talloc_free(local_ctx);
659
660 ldapsrv_queue_reply(call, modifydn_r);
661 return NT_STATUS_OK;
662 }
663
664 static NTSTATUS ldapsrv_CompareRequest(struct ldapsrv_call *call)
665 {
666 struct ldap_CompareRequest *req = &call->request->r.CompareRequest;
667 struct ldap_Result *compare;
668 struct ldapsrv_reply *compare_r;
669 void *local_ctx;
670 struct ldb_context *samdb = call->conn->ldb;
671 struct ldb_result *res = NULL;
672 struct ldb_dn *dn;
673 const char *attrs[1];
674 const char *errstr = NULL;
675 const char *filter = NULL;
676 int result = LDAP_SUCCESS;
677 int ldb_ret;
678
679 DEBUG(10, ("CompareRequest"));
680 DEBUGADD(10, (" dn: %s", req->dn));
681
682 local_ctx = talloc_named(call, 0, "CompareRequest local_memory_context");
683 NT_STATUS_HAVE_NO_MEMORY(local_ctx);
684
685 dn = ldb_dn_new(local_ctx, samdb, req->dn);
686 VALID_DN_SYNTAX(dn);
687
688 DEBUG(10, ("CompareRequest: dn: [%s]\n", req->dn));
689 filter = talloc_asprintf(local_ctx, "(%s=%*s)", req->attribute,
690 (int)req->value.length, req->value.data);
691 NT_STATUS_HAVE_NO_MEMORY(filter);
692
693 DEBUGADD(10, ("CompareRequest: attribute: [%s]\n", filter));
694
695 attrs[0] = NULL;
696
697 reply:
698 compare_r = ldapsrv_init_reply(call, LDAP_TAG_CompareResponse);
699 NT_STATUS_HAVE_NO_MEMORY(compare_r);
700
701 if (result == LDAP_SUCCESS) {
702 ldb_ret = ldb_search(samdb, local_ctx, &res,
703 dn, LDB_SCOPE_BASE, attrs, "%s", filter);
704 if (ldb_ret != LDB_SUCCESS) {
705 result = map_ldb_error(samdb, ldb_ret, &errstr);
706 DEBUG(10,("CompareRequest: error: %s\n", errstr));
707 } else if (res->count == 0) {
708 DEBUG(10,("CompareRequest: doesn't matched\n"));
709 result = LDAP_COMPARE_FALSE;
710 errstr = NULL;
711 } else if (res->count == 1) {
712 DEBUG(10,("CompareRequest: matched\n"));
713 result = LDAP_COMPARE_TRUE;
714 errstr = NULL;
715 } else if (res->count > 1) {
716 result = LDAP_OTHER;
717 errstr = "too many objects match";
718 DEBUG(10,("CompareRequest: %d results: %s\n", res->count, errstr));
719 }
720 }
721
722 compare = &compare_r->msg->r.CompareResponse;
723 compare->dn = NULL;
724 compare->resultcode = result;
725 compare->errormessage = (errstr?talloc_strdup(compare_r,errstr):NULL);
726 compare->referral = NULL;
727
728 talloc_free(local_ctx);
729
730 ldapsrv_queue_reply(call, compare_r);
731 return NT_STATUS_OK;
732 }
733
734 static NTSTATUS ldapsrv_AbandonRequest(struct ldapsrv_call *call)
735 {
736 /* struct ldap_AbandonRequest *req = &call->request.r.AbandonRequest;*/
737 DEBUG(10, ("AbandonRequest\n"));
738 return NT_STATUS_OK;
739 }
740
741 NTSTATUS ldapsrv_do_call(struct ldapsrv_call *call)
742 {
743 int i;
744 struct ldap_message *msg = call->request;
745 /* Check for undecoded critical extensions */
746 for (i=0; msg->controls && msg->controls[i]; i++) {
747 if (!msg->controls_decoded[i] &&
748 msg->controls[i]->critical) {
749 DEBUG(3, ("ldapsrv_do_call: Critical extension %s is not known to this server\n",
750 msg->controls[i]->oid));
751 return ldapsrv_unwilling(call, LDAP_UNAVAILABLE_CRITICAL_EXTENSION);
752 }
753 }
754
755 switch(call->request->type) {
756 case LDAP_TAG_BindRequest:
757 return ldapsrv_BindRequest(call);
758 case LDAP_TAG_UnbindRequest:
759 return ldapsrv_UnbindRequest(call);
760 case LDAP_TAG_SearchRequest:
761 return ldapsrv_SearchRequest(call);
762 case LDAP_TAG_ModifyRequest:
763 return ldapsrv_ModifyRequest(call);
764 case LDAP_TAG_AddRequest:
765 return ldapsrv_AddRequest(call);
766 case LDAP_TAG_DelRequest:
767 return ldapsrv_DelRequest(call);
768 case LDAP_TAG_ModifyDNRequest:
769 return ldapsrv_ModifyDNRequest(call);
770 case LDAP_TAG_CompareRequest:
771 return ldapsrv_CompareRequest(call);
772 case LDAP_TAG_AbandonRequest:
773 return ldapsrv_AbandonRequest(call);
774 case LDAP_TAG_ExtendedRequest:
775 return ldapsrv_ExtendedRequest(call);
776 default:
777 return ldapsrv_unwilling(call, 2);
778 }
779 }
aatanasov's samba4 branch