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Merge ldb_search() and ldb_search_exp_fmt() into a simgle function.
[Samba.git] / source4 / ldap_server / ldap_backend.c
blobb954038b8046502489c9db3a7564c95925a394f4
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,i) 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 } else if (ldb_dn_get_comp_num(dn) < (i)) {\
40 result = LDAP_INVALID_DN_SYNTAX;\
41 errstr = "Invalid DN (" #i " components needed for '" #dn "')";\
42 goto reply;\
43 }\
44 } while(0)
45
46 static int map_ldb_error(struct ldb_context *ldb, int err, const char **errstring)
47 {
48 *errstring = ldb_errstring(ldb);
49
50 /* its 1:1 for now */
51 return err;
52 }
53
54 /*
55 connect to the sam database
56 */
57 NTSTATUS ldapsrv_backend_Init(struct ldapsrv_connection *conn)
58 {
59 conn->ldb = ldb_wrap_connect(conn,
60 conn->connection->event.ctx,
61 conn->lp_ctx,
62 lp_sam_url(conn->lp_ctx),
63 conn->session_info,
64 samdb_credentials(conn, conn->connection->event.ctx, conn->lp_ctx),
65 conn->global_catalog ? LDB_FLG_RDONLY : 0, NULL);
66 if (conn->ldb == NULL) {
67 return NT_STATUS_INTERNAL_DB_CORRUPTION;
68 }
69
70 if (conn->server_credentials) {
71 char **sasl_mechs = NULL;
72 struct gensec_security_ops **backends = gensec_security_all();
73 struct gensec_security_ops **ops
74 = gensec_use_kerberos_mechs(conn, backends, conn->server_credentials);
75 int i, j = 0;
76 for (i = 0; ops && ops[i]; i++) {
77 if (ops[i]->sasl_name && ops[i]->server_start) {
78 char *sasl_name = talloc_strdup(conn, ops[i]->sasl_name);
79
80 if (!sasl_name) {
81 return NT_STATUS_NO_MEMORY;
82 }
83 sasl_mechs = talloc_realloc(conn, sasl_mechs, char *, j + 2);
84 if (!sasl_mechs) {
85 return NT_STATUS_NO_MEMORY;
86 }
87 sasl_mechs[j] = sasl_name;
88 talloc_steal(sasl_mechs, sasl_name);
89 sasl_mechs[j+1] = NULL;
90 j++;
91 }
92 }
93 talloc_free(ops);
94 ldb_set_opaque(conn->ldb, "supportedSASLMechanims", sasl_mechs);
95 }
96
97 return NT_STATUS_OK;
98 }
99
100 struct ldapsrv_reply *ldapsrv_init_reply(struct ldapsrv_call *call, uint8_t type)
101 {
102 struct ldapsrv_reply *reply;
103
104 reply = talloc(call, struct ldapsrv_reply);
105 if (!reply) {
106 return NULL;
107 }
108 reply->msg = talloc(reply, struct ldap_message);
109 if (reply->msg == NULL) {
110 talloc_free(reply);
111 return NULL;
112 }
113
114 reply->msg->messageid = call->request->messageid;
115 reply->msg->type = type;
116 reply->msg->controls = NULL;
117
118 return reply;
119 }
120
121 void ldapsrv_queue_reply(struct ldapsrv_call *call, struct ldapsrv_reply *reply)
122 {
123 DLIST_ADD_END(call->replies, reply, struct ldapsrv_reply *);
124 }
125
126 static NTSTATUS ldapsrv_unwilling(struct ldapsrv_call *call, int error)
127 {
128 struct ldapsrv_reply *reply;
129 struct ldap_ExtendedResponse *r;
130
131 DEBUG(10,("Unwilling type[%d] id[%d]\n", call->request->type, call->request->messageid));
132
133 reply = ldapsrv_init_reply(call, LDAP_TAG_ExtendedResponse);
134 if (!reply) {
135 return NT_STATUS_NO_MEMORY;
136 }
137
138 r = &reply->msg->r.ExtendedResponse;
139 r->response.resultcode = error;
140 r->response.dn = NULL;
141 r->response.errormessage = NULL;
142 r->response.referral = NULL;
143 r->oid = NULL;
144 r->value = NULL;
145
146 ldapsrv_queue_reply(call, reply);
147 return NT_STATUS_OK;
148 }
149
150 static NTSTATUS ldapsrv_SearchRequest(struct ldapsrv_call *call)
151 {
152 struct ldap_SearchRequest *req = &call->request->r.SearchRequest;
153 struct ldap_SearchResEntry *ent;
154 struct ldap_Result *done;
155 struct ldapsrv_reply *ent_r, *done_r;
156 void *local_ctx;
157 struct ldb_context *samdb = talloc_get_type(call->conn->ldb, struct ldb_context);
158 struct ldb_dn *basedn;
159 struct ldb_result *res = NULL;
160 struct ldb_request *lreq;
161 enum ldb_scope scope = LDB_SCOPE_DEFAULT;
162 const char **attrs = NULL;
163 const char *scope_str, *errstr = NULL;
164 int success_limit = 1;
165 int result = -1;
166 int ldb_ret = -1;
167 int i, j;
168
169 DEBUG(10, ("SearchRequest"));
170 DEBUGADD(10, (" basedn: %s", req->basedn));
171 DEBUGADD(10, (" filter: %s\n", ldb_filter_from_tree(call, req->tree)));
172
173 local_ctx = talloc_new(call);
174 NT_STATUS_HAVE_NO_MEMORY(local_ctx);
175
176 basedn = ldb_dn_new(local_ctx, samdb, req->basedn);
177 VALID_DN_SYNTAX(basedn, 0);
178
179 DEBUG(10, ("SearchRequest: basedn: [%s]\n", req->basedn));
180 DEBUG(10, ("SearchRequest: filter: [%s]\n", ldb_filter_from_tree(call, req->tree)));
181
182 switch (req->scope) {
183 case LDAP_SEARCH_SCOPE_BASE:
184 scope_str = "BASE";
185 scope = LDB_SCOPE_BASE;
186 success_limit = 0;
187 break;
188 case LDAP_SEARCH_SCOPE_SINGLE:
189 scope_str = "ONE";
190 scope = LDB_SCOPE_ONELEVEL;
191 success_limit = 0;
192 break;
193 case LDAP_SEARCH_SCOPE_SUB:
194 scope_str = "SUB";
195 scope = LDB_SCOPE_SUBTREE;
196 success_limit = 0;
197 break;
198 default:
199 result = LDAP_PROTOCOL_ERROR;
200 errstr = "Invalid scope";
201 goto reply;
202 }
203 DEBUG(10,("SearchRequest: scope: [%s]\n", scope_str));
204
205 if (req->num_attributes >= 1) {
206 attrs = talloc_array(local_ctx, const char *, req->num_attributes+1);
207 NT_STATUS_HAVE_NO_MEMORY(attrs);
208
209 for (i=0; i < req->num_attributes; i++) {
210 DEBUG(10,("SearchRequest: attrs: [%s]\n",req->attributes[i]));
211 attrs[i] = req->attributes[i];
212 }
213 attrs[i] = NULL;
214 }
215
216 DEBUG(5,("ldb_request %s dn=%s filter=%s\n",
217 scope_str, req->basedn, ldb_filter_from_tree(call, req->tree)));
218
219 lreq = talloc(local_ctx, struct ldb_request);
220 NT_STATUS_HAVE_NO_MEMORY(lreq);
221
222 lreq->operation = LDB_SEARCH;
223 lreq->op.search.base = basedn;
224 lreq->op.search.scope = scope;
225 lreq->op.search.tree = req->tree;
226 lreq->op.search.attrs = attrs;
227
228 lreq->controls = call->request->controls;
229
230 if (call->conn->global_catalog) {
231 struct ldb_control *search_control = ldb_request_get_control(lreq, LDB_CONTROL_SEARCH_OPTIONS_OID);
232
233 struct ldb_search_options_control *search_options = NULL;
234 if (search_control) {
235 search_options = talloc_get_type(search_control->data, struct ldb_search_options_control);
236 search_options->search_options |= LDB_SEARCH_OPTION_PHANTOM_ROOT;
237 } else {
238 search_options = talloc(lreq, struct ldb_search_options_control);
239 NT_STATUS_HAVE_NO_MEMORY(search_options);
240 search_options->search_options = LDB_SEARCH_OPTION_PHANTOM_ROOT;
241 ldb_request_add_control(lreq, LDB_CONTROL_SEARCH_OPTIONS_OID, false, search_options);
242 }
243 }
244
245 res = talloc_zero(lreq, struct ldb_result);
246 NT_STATUS_HAVE_NO_MEMORY(res);
247
248 lreq->context = res;
249 lreq->callback = ldb_search_default_callback;
250
251 /* Copy the timeout from the incoming call */
252 ldb_set_timeout(samdb, lreq, req->timelimit);
253
254 ldb_ret = ldb_request(samdb, lreq);
255
256 if (ldb_ret != LDB_SUCCESS) {
257 goto reply;
258 }
259
260 ldb_ret = ldb_wait(lreq->handle, LDB_WAIT_ALL);
261
262 if (ldb_ret == LDB_SUCCESS) {
263 for (i = 0; i < res->count; i++) {
264 ent_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultEntry);
265 NT_STATUS_HAVE_NO_MEMORY(ent_r);
266
267 /* Better to have the whole message kept here,
268 * than to find someone further up didn't put
269 * a value in the right spot in the talloc tree */
270 talloc_steal(ent_r, res->msgs[i]);
271
272 ent = &ent_r->msg->r.SearchResultEntry;
273 ent->dn = ldb_dn_alloc_linearized(ent_r, res->msgs[i]->dn);
274 ent->num_attributes = 0;
275 ent->attributes = NULL;
276 if (res->msgs[i]->num_elements == 0) {
277 goto queue_reply;
278 }
279 ent->num_attributes = res->msgs[i]->num_elements;
280 ent->attributes = talloc_array(ent_r, struct ldb_message_element, ent->num_attributes);
281 NT_STATUS_HAVE_NO_MEMORY(ent->attributes);
282 for (j=0; j < ent->num_attributes; j++) {
283 ent->attributes[j].name = talloc_steal(ent->attributes, res->msgs[i]->elements[j].name);
284 ent->attributes[j].num_values = 0;
285 ent->attributes[j].values = NULL;
286 if (req->attributesonly && (res->msgs[i]->elements[j].num_values == 0)) {
287 continue;
288 }
289 ent->attributes[j].num_values = res->msgs[i]->elements[j].num_values;
290 ent->attributes[j].values = res->msgs[i]->elements[j].values;
291 talloc_steal(ent->attributes, res->msgs[i]->elements[j].values);
292 }
293 queue_reply:
294 ldapsrv_queue_reply(call, ent_r);
295 }
296 }
297
298 reply:
299 done_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultDone);
300 NT_STATUS_HAVE_NO_MEMORY(done_r);
301
302 done = &done_r->msg->r.SearchResultDone;
303 done->dn = NULL;
304 done->referral = NULL;
305
306 if (result != -1) {
307 } else if (ldb_ret == LDB_SUCCESS) {
308 if (res->count >= success_limit) {
309 DEBUG(10,("SearchRequest: results: [%d]\n", res->count));
310 result = LDAP_SUCCESS;
311 errstr = NULL;
312 }
313 if (res->controls) {
314 done_r->msg->controls = res->controls;
315 talloc_steal(done_r, res->controls);
316 }
317 } else {
318 DEBUG(10,("SearchRequest: error\n"));
319 result = map_ldb_error(samdb, ldb_ret, &errstr);
320 }
321
322 done->resultcode = result;
323 done->errormessage = (errstr?talloc_strdup(done_r, errstr):NULL);
324
325 talloc_free(local_ctx);
326
327 ldapsrv_queue_reply(call, done_r);
328 return NT_STATUS_OK;
329 }
330
331 static NTSTATUS ldapsrv_ModifyRequest(struct ldapsrv_call *call)
332 {
333 struct ldap_ModifyRequest *req = &call->request->r.ModifyRequest;
334 struct ldap_Result *modify_result;
335 struct ldapsrv_reply *modify_reply;
336 void *local_ctx;
337 struct ldb_context *samdb = call->conn->ldb;
338 struct ldb_message *msg = NULL;
339 struct ldb_dn *dn;
340 const char *errstr = NULL;
341 int result = LDAP_SUCCESS;
342 int ldb_ret;
343 int i,j;
344
345 DEBUG(10, ("ModifyRequest"));
346 DEBUGADD(10, (" dn: %s", req->dn));
347
348 local_ctx = talloc_named(call, 0, "ModifyRequest local memory context");
349 NT_STATUS_HAVE_NO_MEMORY(local_ctx);
350
351 dn = ldb_dn_new(local_ctx, samdb, req->dn);
352 VALID_DN_SYNTAX(dn, 0);
353
354 DEBUG(10, ("ModifyRequest: dn: [%s]\n", req->dn));
355
356 msg = talloc(local_ctx, struct ldb_message);
357 NT_STATUS_HAVE_NO_MEMORY(msg);
358
359 msg->dn = dn;
360 msg->num_elements = 0;
361 msg->elements = NULL;
362
363 if (req->num_mods > 0) {
364 msg->num_elements = req->num_mods;
365 msg->elements = talloc_array(msg, struct ldb_message_element, req->num_mods);
366 NT_STATUS_HAVE_NO_MEMORY(msg->elements);
367
368 for (i=0; i < msg->num_elements; i++) {
369 msg->elements[i].name = discard_const_p(char, req->mods[i].attrib.name);
370 msg->elements[i].num_values = 0;
371 msg->elements[i].values = NULL;
372
373 switch (req->mods[i].type) {
374 default:
375 result = LDAP_PROTOCOL_ERROR;
376 errstr = "Invalid LDAP_MODIFY_* type";
377 goto reply;
378 case LDAP_MODIFY_ADD:
379 msg->elements[i].flags = LDB_FLAG_MOD_ADD;
380 break;
381 case LDAP_MODIFY_DELETE:
382 msg->elements[i].flags = LDB_FLAG_MOD_DELETE;
383 break;
384 case LDAP_MODIFY_REPLACE:
385 msg->elements[i].flags = LDB_FLAG_MOD_REPLACE;
386 break;
387 }
388
389 msg->elements[i].num_values = req->mods[i].attrib.num_values;
390 if (msg->elements[i].num_values > 0) {
391 msg->elements[i].values = talloc_array(msg->elements, struct ldb_val,
392 msg->elements[i].num_values);
393 NT_STATUS_HAVE_NO_MEMORY(msg->elements[i].values);
394
395 for (j=0; j < msg->elements[i].num_values; j++) {
396 if (!(req->mods[i].attrib.values[j].length > 0)) {
397 result = LDAP_OTHER;
398 errstr = "Empty attribute values are not allowed";
399 goto reply;
400 }
401 msg->elements[i].values[j].length = req->mods[i].attrib.values[j].length;
402 msg->elements[i].values[j].data = req->mods[i].attrib.values[j].data;
403 }
404 }
405 }
406 } else {
407 result = LDAP_OTHER;
408 errstr = "No mods are not allowed";
409 goto reply;
410 }
411
412 reply:
413 modify_reply = ldapsrv_init_reply(call, LDAP_TAG_ModifyResponse);
414 NT_STATUS_HAVE_NO_MEMORY(modify_reply);
415
416 if (result == LDAP_SUCCESS) {
417 ldb_ret = ldb_modify(samdb, msg);
418 result = map_ldb_error(samdb, ldb_ret, &errstr);
419 }
420
421 modify_result = &modify_reply->msg->r.AddResponse;
422 modify_result->dn = NULL;
423 modify_result->resultcode = result;
424 modify_result->errormessage = (errstr?talloc_strdup(modify_reply, errstr):NULL);
425 modify_result->referral = NULL;
426
427 talloc_free(local_ctx);
428
429 ldapsrv_queue_reply(call, modify_reply);
430 return NT_STATUS_OK;
431
432 }
433
434 static NTSTATUS ldapsrv_AddRequest(struct ldapsrv_call *call)
435 {
436 struct ldap_AddRequest *req = &call->request->r.AddRequest;
437 struct ldap_Result *add_result;
438 struct ldapsrv_reply *add_reply;
439 void *local_ctx;
440 struct ldb_context *samdb = call->conn->ldb;
441 struct ldb_message *msg = NULL;
442 struct ldb_dn *dn;
443 const char *errstr = NULL;
444 int result = LDAP_SUCCESS;
445 int ldb_ret;
446 int i,j;
447
448 DEBUG(10, ("AddRequest"));
449 DEBUGADD(10, (" dn: %s", req->dn));
450
451 local_ctx = talloc_named(call, 0, "AddRequest local memory context");
452 NT_STATUS_HAVE_NO_MEMORY(local_ctx);
453
454 dn = ldb_dn_new(local_ctx, samdb, req->dn);
455 VALID_DN_SYNTAX(dn,1);
456
457 DEBUG(10, ("AddRequest: dn: [%s]\n", req->dn));
458
459 msg = talloc(local_ctx, struct ldb_message);
460 NT_STATUS_HAVE_NO_MEMORY(msg);
461
462 msg->dn = dn;
463 msg->num_elements = 0;
464 msg->elements = NULL;
465
466 if (req->num_attributes > 0) {
467 msg->num_elements = req->num_attributes;
468 msg->elements = talloc_array(msg, struct ldb_message_element, msg->num_elements);
469 NT_STATUS_HAVE_NO_MEMORY(msg->elements);
470
471 for (i=0; i < msg->num_elements; i++) {
472 msg->elements[i].name = discard_const_p(char, req->attributes[i].name);
473 msg->elements[i].flags = 0;
474 msg->elements[i].num_values = 0;
475 msg->elements[i].values = NULL;
476
477 if (req->attributes[i].num_values > 0) {
478 msg->elements[i].num_values = req->attributes[i].num_values;
479 msg->elements[i].values = talloc_array(msg->elements, struct ldb_val,
480 msg->elements[i].num_values);
481 NT_STATUS_HAVE_NO_MEMORY(msg->elements[i].values);
482
483 for (j=0; j < msg->elements[i].num_values; j++) {
484 if (!(req->attributes[i].values[j].length > 0)) {
485 result = LDAP_OTHER;
486 errstr = "Empty attribute values are not allowed";
487 goto reply;
488 }
489 msg->elements[i].values[j].length = req->attributes[i].values[j].length;
490 msg->elements[i].values[j].data = req->attributes[i].values[j].data;
491 }
492 } else {
493 result = LDAP_OTHER;
494 errstr = "No attribute values are not allowed";
495 goto reply;
496 }
497 }
498 } else {
499 result = LDAP_OTHER;
500 errstr = "No attributes are not allowed";
501 goto reply;
502 }
503
504 reply:
505 add_reply = ldapsrv_init_reply(call, LDAP_TAG_AddResponse);
506 NT_STATUS_HAVE_NO_MEMORY(add_reply);
507
508 if (result == LDAP_SUCCESS) {
509 ldb_ret = ldb_add(samdb, msg);
510 result = map_ldb_error(samdb, ldb_ret, &errstr);
511 }
512
513 add_result = &add_reply->msg->r.AddResponse;
514 add_result->dn = NULL;
515 add_result->resultcode = result;
516 add_result->errormessage = (errstr?talloc_strdup(add_reply,errstr):NULL);
517 add_result->referral = NULL;
518
519 talloc_free(local_ctx);
520
521 ldapsrv_queue_reply(call, add_reply);
522 return NT_STATUS_OK;
523
524 }
525
526 static NTSTATUS ldapsrv_DelRequest(struct ldapsrv_call *call)
527 {
528 struct ldap_DelRequest *req = &call->request->r.DelRequest;
529 struct ldap_Result *del_result;
530 struct ldapsrv_reply *del_reply;
531 void *local_ctx;
532 struct ldb_context *samdb = call->conn->ldb;
533 struct ldb_dn *dn;
534 const char *errstr = NULL;
535 int result = LDAP_SUCCESS;
536 int ldb_ret;
537
538 DEBUG(10, ("DelRequest"));
539 DEBUGADD(10, (" dn: %s", req->dn));
540
541 local_ctx = talloc_named(call, 0, "DelRequest local memory context");
542 NT_STATUS_HAVE_NO_MEMORY(local_ctx);
543
544 dn = ldb_dn_new(local_ctx, samdb, req->dn);
545 VALID_DN_SYNTAX(dn,1);
546
547 DEBUG(10, ("DelRequest: dn: [%s]\n", req->dn));
548
549 reply:
550 del_reply = ldapsrv_init_reply(call, LDAP_TAG_DelResponse);
551 NT_STATUS_HAVE_NO_MEMORY(del_reply);
552
553 if (result == LDAP_SUCCESS) {
554 ldb_ret = ldb_delete(samdb, dn);
555 result = map_ldb_error(samdb, ldb_ret, &errstr);
556 }
557
558 del_result = &del_reply->msg->r.DelResponse;
559 del_result->dn = NULL;
560 del_result->resultcode = result;
561 del_result->errormessage = (errstr?talloc_strdup(del_reply,errstr):NULL);
562 del_result->referral = NULL;
563
564 talloc_free(local_ctx);
565
566 ldapsrv_queue_reply(call, del_reply);
567 return NT_STATUS_OK;
568 }
569
570 static NTSTATUS ldapsrv_ModifyDNRequest(struct ldapsrv_call *call)
571 {
572 struct ldap_ModifyDNRequest *req = &call->request->r.ModifyDNRequest;
573 struct ldap_Result *modifydn;
574 struct ldapsrv_reply *modifydn_r;
575 void *local_ctx;
576 struct ldb_context *samdb = call->conn->ldb;
577 struct ldb_dn *olddn, *newdn=NULL, *newrdn;
578 struct ldb_dn *parentdn = NULL;
579 const char *errstr = NULL;
580 int result = LDAP_SUCCESS;
581 int ldb_ret;
582
583 DEBUG(10, ("ModifyDNRequrest"));
584 DEBUGADD(10, (" dn: %s", req->dn));
585 DEBUGADD(10, (" newrdn: %s", req->newrdn));
586
587 local_ctx = talloc_named(call, 0, "ModifyDNRequest local memory context");
588 NT_STATUS_HAVE_NO_MEMORY(local_ctx);
589
590 olddn = ldb_dn_new(local_ctx, samdb, req->dn);
591 VALID_DN_SYNTAX(olddn, 2);
592
593 newrdn = ldb_dn_new(local_ctx, samdb, req->newrdn);
594 VALID_DN_SYNTAX(newrdn, 1);
595
596 DEBUG(10, ("ModifyDNRequest: olddn: [%s]\n", req->dn));
597 DEBUG(10, ("ModifyDNRequest: newrdn: [%s]\n", req->newrdn));
598
599 /* we can't handle the rename if we should not remove the old dn */
600 if (!req->deleteolddn) {
601 result = LDAP_UNWILLING_TO_PERFORM;
602 errstr = "Old RDN must be deleted";
603 goto reply;
604 }
605
606 if (req->newsuperior) {
607 parentdn = ldb_dn_new(local_ctx, samdb, req->newsuperior);
608 VALID_DN_SYNTAX(parentdn, 0);
609 DEBUG(10, ("ModifyDNRequest: newsuperior: [%s]\n", req->newsuperior));
610
611 if (ldb_dn_get_comp_num(parentdn) < 1) {
612 result = LDAP_AFFECTS_MULTIPLE_DSAS;
613 errstr = "Error new Superior DN invalid";
614 goto reply;
615 }
616 }
617
618 if (!parentdn) {
619 parentdn = ldb_dn_get_parent(local_ctx, olddn);
620 NT_STATUS_HAVE_NO_MEMORY(parentdn);
621 }
622
623 if ( ! ldb_dn_add_child_fmt(parentdn,
624 "%s=%s",
625 ldb_dn_get_rdn_name(newrdn),
626 (char *)ldb_dn_get_rdn_val(newrdn)->data)) {
627 result = LDAP_OTHER;
628 goto reply;
629 }
630 newdn = parentdn;
631
632 reply:
633 modifydn_r = ldapsrv_init_reply(call, LDAP_TAG_ModifyDNResponse);
634 NT_STATUS_HAVE_NO_MEMORY(modifydn_r);
635
636 if (result == LDAP_SUCCESS) {
637 ldb_ret = ldb_rename(samdb, olddn, newdn);
638 result = map_ldb_error(samdb, ldb_ret, &errstr);
639 }
640
641 modifydn = &modifydn_r->msg->r.ModifyDNResponse;
642 modifydn->dn = NULL;
643 modifydn->resultcode = result;
644 modifydn->errormessage = (errstr?talloc_strdup(modifydn_r,errstr):NULL);
645 modifydn->referral = NULL;
646
647 talloc_free(local_ctx);
648
649 ldapsrv_queue_reply(call, modifydn_r);
650 return NT_STATUS_OK;
651 }
652
653 static NTSTATUS ldapsrv_CompareRequest(struct ldapsrv_call *call)
654 {
655 struct ldap_CompareRequest *req = &call->request->r.CompareRequest;
656 struct ldap_Result *compare;
657 struct ldapsrv_reply *compare_r;
658 void *local_ctx;
659 struct ldb_context *samdb = call->conn->ldb;
660 struct ldb_result *res = NULL;
661 struct ldb_dn *dn;
662 const char *attrs[1];
663 const char *errstr = NULL;
664 const char *filter = NULL;
665 int result = LDAP_SUCCESS;
666 int ldb_ret;
667
668 DEBUG(10, ("CompareRequest"));
669 DEBUGADD(10, (" dn: %s", req->dn));
670
671 local_ctx = talloc_named(call, 0, "CompareRequest local_memory_context");
672 NT_STATUS_HAVE_NO_MEMORY(local_ctx);
673
674 dn = ldb_dn_new(local_ctx, samdb, req->dn);
675 VALID_DN_SYNTAX(dn, 1);
676
677 DEBUG(10, ("CompareRequest: dn: [%s]\n", req->dn));
678 filter = talloc_asprintf(local_ctx, "(%s=%*s)", req->attribute,
679 (int)req->value.length, req->value.data);
680 NT_STATUS_HAVE_NO_MEMORY(filter);
681
682 DEBUGADD(10, ("CompareRequest: attribute: [%s]\n", filter));
683
684 attrs[0] = NULL;
685
686 reply:
687 compare_r = ldapsrv_init_reply(call, LDAP_TAG_CompareResponse);
688 NT_STATUS_HAVE_NO_MEMORY(compare_r);
689
690 if (result == LDAP_SUCCESS) {
691 ldb_ret = ldb_search(samdb, local_ctx, &res,
692 dn, LDB_SCOPE_BASE, attrs, "%s", filter);
693 if (ldb_ret != LDB_SUCCESS) {
694 result = map_ldb_error(samdb, ldb_ret, &errstr);
695 DEBUG(10,("CompareRequest: error: %s\n", errstr));
696 } else if (res->count == 0) {
697 DEBUG(10,("CompareRequest: doesn't matched\n"));
698 result = LDAP_COMPARE_FALSE;
699 errstr = NULL;
700 } else if (res->count == 1) {
701 DEBUG(10,("CompareRequest: matched\n"));
702 result = LDAP_COMPARE_TRUE;
703 errstr = NULL;
704 } else if (res->count > 1) {
705 result = LDAP_OTHER;
706 errstr = "too many objects match";
707 DEBUG(10,("CompareRequest: %d results: %s\n", res->count, errstr));
708 }
709 }
710
711 compare = &compare_r->msg->r.CompareResponse;
712 compare->dn = NULL;
713 compare->resultcode = result;
714 compare->errormessage = (errstr?talloc_strdup(compare_r,errstr):NULL);
715 compare->referral = NULL;
716
717 talloc_free(local_ctx);
718
719 ldapsrv_queue_reply(call, compare_r);
720 return NT_STATUS_OK;
721 }
722
723 static NTSTATUS ldapsrv_AbandonRequest(struct ldapsrv_call *call)
724 {
725 /* struct ldap_AbandonRequest *req = &call->request.r.AbandonRequest;*/
726 DEBUG(10, ("AbandonRequest\n"));
727 return NT_STATUS_OK;
728 }
729
730 NTSTATUS ldapsrv_do_call(struct ldapsrv_call *call)
731 {
732 int i;
733 struct ldap_message *msg = call->request;
734 /* Check for undecoded critical extensions */
735 for (i=0; msg->controls && msg->controls[i]; i++) {
736 if (!msg->controls_decoded[i] &&
737 msg->controls[i]->critical) {
738 DEBUG(3, ("ldapsrv_do_call: Critical extension %s is not known to this server\n",
739 msg->controls[i]->oid));
740 return ldapsrv_unwilling(call, LDAP_UNAVAILABLE_CRITICAL_EXTENSION);
741 }
742 }
743
744 switch(call->request->type) {
745 case LDAP_TAG_BindRequest:
746 return ldapsrv_BindRequest(call);
747 case LDAP_TAG_UnbindRequest:
748 return ldapsrv_UnbindRequest(call);
749 case LDAP_TAG_SearchRequest:
750 return ldapsrv_SearchRequest(call);
751 case LDAP_TAG_ModifyRequest:
752 return ldapsrv_ModifyRequest(call);
753 case LDAP_TAG_AddRequest:
754 return ldapsrv_AddRequest(call);
755 case LDAP_TAG_DelRequest:
756 return ldapsrv_DelRequest(call);
757 case LDAP_TAG_ModifyDNRequest:
758 return ldapsrv_ModifyDNRequest(call);
759 case LDAP_TAG_CompareRequest:
760 return ldapsrv_CompareRequest(call);
761 case LDAP_TAG_AbandonRequest:
762 return ldapsrv_AbandonRequest(call);
763 case LDAP_TAG_ExtendedRequest:
764 return ldapsrv_ExtendedRequest(call);
765 default:
766 return ldapsrv_unwilling(call, 2);
767 }
768 }
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