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s4: Make unixid optional
[Samba/ekacnet.git] / source4 / ldap_server / ldap_backend.c
blob689fd31141466201d63405e976d009b164cee0db
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 "libcli/ldap/ldap.h"
25 #include "auth/credentials/credentials.h"
26 #include "auth/gensec/gensec.h"
27 #include "param/param.h"
28 #include "smbd/service_stream.h"
29 #include "dsdb/samdb/samdb.h"
30 #include "lib/ldb/include/ldb_errors.h"
31 #include "lib/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, &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 **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
171 /* result is 1:1 for now */
172 return ldb_err;
173 }
174 /* create and execute a modify request */
175 static int ldb_mod_req_with_controls(struct ldb_context *ldb,
176 const struct ldb_message *message,
177 struct ldb_control **controls)
178 {
179 struct ldb_request *req;
180 int ret;
181
182 ret = ldb_msg_sanity_check(ldb, message);
183 if (ret != LDB_SUCCESS) {
184 return ret;
185 }
186
187 ret = ldb_build_mod_req(&req, ldb, ldb,
188 message,
189 controls,
190 NULL,
191 ldb_op_default_callback,
192 NULL);
193
194 if (ret != LDB_SUCCESS) {
195 return ret;
196 }
197
198 ret = ldb_transaction_start(ldb);
199 if (ret != LDB_SUCCESS) {
200 return ret;
201 }
202
203 ret = ldb_request(ldb, req);
204 if (ret == LDB_SUCCESS) {
205 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
206 }
207
208 if (ret == LDB_SUCCESS) {
209 ret = ldb_transaction_commit(ldb);
210 }
211 else {
212 ldb_transaction_cancel(ldb);
213 }
214
215 talloc_free(req);
216 return ret;
217 }
218
219 /*
220 connect to the sam database
221 */
222 NTSTATUS ldapsrv_backend_Init(struct ldapsrv_connection *conn)
223 {
224 conn->ldb = ldb_wrap_connect(conn,
225 conn->connection->event.ctx,
226 conn->lp_ctx,
227 lp_sam_url(conn->lp_ctx),
228 conn->session_info,
229 samdb_credentials(conn->connection->event.ctx, conn->lp_ctx),
230 conn->global_catalog ? LDB_FLG_RDONLY : 0);
231 if (conn->ldb == NULL) {
232 return NT_STATUS_INTERNAL_DB_CORRUPTION;
233 }
234
235 if (conn->server_credentials) {
236 char **sasl_mechs = NULL;
237 struct gensec_security_ops **backends = gensec_security_all();
238 struct gensec_security_ops **ops
239 = gensec_use_kerberos_mechs(conn, backends, conn->server_credentials);
240 int i, j = 0;
241 for (i = 0; ops && ops[i]; i++) {
242 if (!lp_parm_bool(conn->lp_ctx, NULL, "gensec", ops[i]->name, ops[i]->enabled))
243 continue;
244
245 if (ops[i]->sasl_name && ops[i]->server_start) {
246 char *sasl_name = talloc_strdup(conn, ops[i]->sasl_name);
247
248 if (!sasl_name) {
249 return NT_STATUS_NO_MEMORY;
250 }
251 sasl_mechs = talloc_realloc(conn, sasl_mechs, char *, j + 2);
252 if (!sasl_mechs) {
253 return NT_STATUS_NO_MEMORY;
254 }
255 sasl_mechs[j] = sasl_name;
256 talloc_steal(sasl_mechs, sasl_name);
257 sasl_mechs[j+1] = NULL;
258 j++;
259 }
260 }
261 talloc_unlink(conn, ops);
262 ldb_set_opaque(conn->ldb, "supportedSASLMechanims", sasl_mechs);
263 }
264
265 return NT_STATUS_OK;
266 }
267
268 struct ldapsrv_reply *ldapsrv_init_reply(struct ldapsrv_call *call, uint8_t type)
269 {
270 struct ldapsrv_reply *reply;
271
272 reply = talloc(call, struct ldapsrv_reply);
273 if (!reply) {
274 return NULL;
275 }
276 reply->msg = talloc(reply, struct ldap_message);
277 if (reply->msg == NULL) {
278 talloc_free(reply);
279 return NULL;
280 }
281
282 reply->msg->messageid = call->request->messageid;
283 reply->msg->type = type;
284 reply->msg->controls = NULL;
285
286 return reply;
287 }
288
289 void ldapsrv_queue_reply(struct ldapsrv_call *call, struct ldapsrv_reply *reply)
290 {
291 DLIST_ADD_END(call->replies, reply, struct ldapsrv_reply *);
292 }
293
294 static NTSTATUS ldapsrv_unwilling(struct ldapsrv_call *call, int error)
295 {
296 struct ldapsrv_reply *reply;
297 struct ldap_ExtendedResponse *r;
298
299 DEBUG(10,("Unwilling type[%d] id[%d]\n", call->request->type, call->request->messageid));
300
301 reply = ldapsrv_init_reply(call, LDAP_TAG_ExtendedResponse);
302 if (!reply) {
303 return NT_STATUS_NO_MEMORY;
304 }
305
306 r = &reply->msg->r.ExtendedResponse;
307 r->response.resultcode = error;
308 r->response.dn = NULL;
309 r->response.errormessage = NULL;
310 r->response.referral = NULL;
311 r->oid = NULL;
312 r->value = NULL;
313
314 ldapsrv_queue_reply(call, reply);
315 return NT_STATUS_OK;
316 }
317
318 static NTSTATUS ldapsrv_SearchRequest(struct ldapsrv_call *call)
319 {
320 struct ldap_SearchRequest *req = &call->request->r.SearchRequest;
321 struct ldap_SearchResEntry *ent;
322 struct ldap_Result *done;
323 struct ldapsrv_reply *ent_r, *done_r;
324 TALLOC_CTX *local_ctx;
325 struct ldb_context *samdb = talloc_get_type(call->conn->ldb, struct ldb_context);
326 struct ldb_dn *basedn;
327 struct ldb_result *res = NULL;
328 struct ldb_request *lreq;
329 struct ldb_control *search_control;
330 struct ldb_search_options_control *search_options;
331 struct ldb_control *extended_dn_control;
332 struct ldb_extended_dn_control *extended_dn_decoded = NULL;
333 enum ldb_scope scope = LDB_SCOPE_DEFAULT;
334 const char **attrs = NULL;
335 const char *scope_str, *errstr = NULL;
336 int success_limit = 1;
337 int result = -1;
338 int ldb_ret = -1;
339 int i, j;
340 int extended_type = 1;
341
342 DEBUG(10, ("SearchRequest"));
343 DEBUGADD(10, (" basedn: %s", req->basedn));
344 DEBUGADD(10, (" filter: %s\n", ldb_filter_from_tree(call, req->tree)));
345
346 local_ctx = talloc_new(call);
347 NT_STATUS_HAVE_NO_MEMORY(local_ctx);
348
349 basedn = ldb_dn_new(local_ctx, samdb, req->basedn);
350 VALID_DN_SYNTAX(basedn);
351
352 DEBUG(10, ("SearchRequest: basedn: [%s]\n", req->basedn));
353 DEBUG(10, ("SearchRequest: filter: [%s]\n", ldb_filter_from_tree(call, req->tree)));
354
355 switch (req->scope) {
356 case LDAP_SEARCH_SCOPE_BASE:
357 scope_str = "BASE";
358 scope = LDB_SCOPE_BASE;
359 success_limit = 0;
360 break;
361 case LDAP_SEARCH_SCOPE_SINGLE:
362 scope_str = "ONE";
363 scope = LDB_SCOPE_ONELEVEL;
364 success_limit = 0;
365 break;
366 case LDAP_SEARCH_SCOPE_SUB:
367 scope_str = "SUB";
368 scope = LDB_SCOPE_SUBTREE;
369 success_limit = 0;
370 break;
371 default:
372 result = LDAP_PROTOCOL_ERROR;
373 map_ldb_error(local_ctx, LDB_ERR_PROTOCOL_ERROR,
374 &errstr);
375 errstr = talloc_asprintf(local_ctx,
376 "%s. Invalid scope", errstr);
377 goto reply;
378 }
379 DEBUG(10,("SearchRequest: scope: [%s]\n", scope_str));
380
381 if (req->num_attributes >= 1) {
382 attrs = talloc_array(local_ctx, const char *, req->num_attributes+1);
383 NT_STATUS_HAVE_NO_MEMORY(attrs);
384
385 for (i=0; i < req->num_attributes; i++) {
386 DEBUG(10,("SearchRequest: attrs: [%s]\n",req->attributes[i]));
387 attrs[i] = req->attributes[i];
388 }
389 attrs[i] = NULL;
390 }
391
392 DEBUG(5,("ldb_request %s dn=%s filter=%s\n",
393 scope_str, req->basedn, ldb_filter_from_tree(call, req->tree)));
394
395 res = talloc_zero(local_ctx, struct ldb_result);
396 NT_STATUS_HAVE_NO_MEMORY(res);
397
398 ldb_ret = ldb_build_search_req_ex(&lreq, samdb, local_ctx,
399 basedn, scope,
400 req->tree, attrs,
401 call->request->controls,
402 res, ldb_search_default_callback,
403 NULL);
404
405 if (ldb_ret != LDB_SUCCESS) {
406 goto reply;
407 }
408
409 if (call->conn->global_catalog) {
410 search_control = ldb_request_get_control(lreq, LDB_CONTROL_SEARCH_OPTIONS_OID);
411
412 search_options = NULL;
413 if (search_control) {
414 search_options = talloc_get_type(search_control->data, struct ldb_search_options_control);
415 search_options->search_options |= LDB_SEARCH_OPTION_PHANTOM_ROOT;
416 } else {
417 search_options = talloc(lreq, struct ldb_search_options_control);
418 NT_STATUS_HAVE_NO_MEMORY(search_options);
419 search_options->search_options = LDB_SEARCH_OPTION_PHANTOM_ROOT;
420 ldb_request_add_control(lreq, LDB_CONTROL_SEARCH_OPTIONS_OID, false, search_options);
421 }
422 }
423
424 extended_dn_control = ldb_request_get_control(lreq, LDB_CONTROL_EXTENDED_DN_OID);
425
426 if (extended_dn_control) {
427 if (extended_dn_control->data) {
428 extended_dn_decoded = talloc_get_type(extended_dn_control->data, struct ldb_extended_dn_control);
429 extended_type = extended_dn_decoded->type;
430 } else {
431 extended_type = 0;
432 }
433 }
434
435 ldb_set_timeout(samdb, lreq, req->timelimit);
436
437 ldb_ret = ldb_request(samdb, lreq);
438
439 if (ldb_ret != LDB_SUCCESS) {
440 goto reply;
441 }
442
443 ldb_ret = ldb_wait(lreq->handle, LDB_WAIT_ALL);
444
445 if (ldb_ret == LDB_SUCCESS) {
446 for (i = 0; i < res->count; i++) {
447 ent_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultEntry);
448 NT_STATUS_HAVE_NO_MEMORY(ent_r);
449
450 /* Better to have the whole message kept here,
451 * than to find someone further up didn't put
452 * a value in the right spot in the talloc tree */
453 talloc_steal(ent_r, res->msgs[i]);
454
455 ent = &ent_r->msg->r.SearchResultEntry;
456 ent->dn = ldb_dn_get_extended_linearized(ent_r, res->msgs[i]->dn, extended_type);
457 ent->num_attributes = 0;
458 ent->attributes = NULL;
459 if (res->msgs[i]->num_elements == 0) {
460 goto queue_reply;
461 }
462 ent->num_attributes = res->msgs[i]->num_elements;
463 ent->attributes = talloc_array(ent_r, struct ldb_message_element, ent->num_attributes);
464 NT_STATUS_HAVE_NO_MEMORY(ent->attributes);
465 for (j=0; j < ent->num_attributes; j++) {
466 ent->attributes[j].name = res->msgs[i]->elements[j].name;
467 ent->attributes[j].num_values = 0;
468 ent->attributes[j].values = NULL;
469 if (req->attributesonly && (res->msgs[i]->elements[j].num_values == 0)) {
470 continue;
471 }
472 ent->attributes[j].num_values = res->msgs[i]->elements[j].num_values;
473 ent->attributes[j].values = res->msgs[i]->elements[j].values;
474 }
475 queue_reply:
476 ldapsrv_queue_reply(call, ent_r);
477 }
478 }
479
480 reply:
481 done_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultDone);
482 NT_STATUS_HAVE_NO_MEMORY(done_r);
483
484 done = &done_r->msg->r.SearchResultDone;
485 done->dn = NULL;
486 done->referral = NULL;
487
488 if (result != -1) {
489 } else if (ldb_ret == LDB_SUCCESS) {
490 if (res->count >= success_limit) {
491 DEBUG(10,("SearchRequest: results: [%d]\n", res->count));
492 result = LDAP_SUCCESS;
493 errstr = NULL;
494 }
495 if (res->controls) {
496 done_r->msg->controls = res->controls;
497 talloc_steal(done_r, res->controls);
498 }
499 } else {
500 DEBUG(10,("SearchRequest: error\n"));
501 result = map_ldb_error(local_ctx, ldb_ret, &errstr);
502 }
503
504 done->resultcode = result;
505 done->errormessage = (errstr?talloc_strdup(done_r, errstr):NULL);
506
507 talloc_free(local_ctx);
508
509 ldapsrv_queue_reply(call, done_r);
510 return NT_STATUS_OK;
511 }
512
513 static NTSTATUS ldapsrv_ModifyRequest(struct ldapsrv_call *call)
514 {
515 struct ldap_ModifyRequest *req = &call->request->r.ModifyRequest;
516 struct ldap_Result *modify_result;
517 struct ldapsrv_reply *modify_reply;
518 TALLOC_CTX *local_ctx;
519 struct ldb_context *samdb = call->conn->ldb;
520 struct ldb_message *msg = NULL;
521 struct ldb_dn *dn;
522 const char *errstr = NULL;
523 int result = LDAP_SUCCESS;
524 int ldb_ret;
525 int i,j;
526
527 DEBUG(10, ("ModifyRequest"));
528 DEBUGADD(10, (" dn: %s", req->dn));
529
530 local_ctx = talloc_named(call, 0, "ModifyRequest local memory context");
531 NT_STATUS_HAVE_NO_MEMORY(local_ctx);
532
533 dn = ldb_dn_new(local_ctx, samdb, req->dn);
534 VALID_DN_SYNTAX(dn);
535
536 DEBUG(10, ("ModifyRequest: dn: [%s]\n", req->dn));
537
538 msg = talloc(local_ctx, struct ldb_message);
539 NT_STATUS_HAVE_NO_MEMORY(msg);
540
541 msg->dn = dn;
542 msg->num_elements = 0;
543 msg->elements = NULL;
544
545 if (req->num_mods > 0) {
546 msg->num_elements = req->num_mods;
547 msg->elements = talloc_array(msg, struct ldb_message_element, req->num_mods);
548 NT_STATUS_HAVE_NO_MEMORY(msg->elements);
549
550 for (i=0; i < msg->num_elements; i++) {
551 msg->elements[i].name = discard_const_p(char, req->mods[i].attrib.name);
552 msg->elements[i].num_values = 0;
553 msg->elements[i].values = NULL;
554
555 switch (req->mods[i].type) {
556 default:
557 result = LDAP_PROTOCOL_ERROR;
558 map_ldb_error(local_ctx,
559 LDB_ERR_PROTOCOL_ERROR, &errstr);
560 errstr = talloc_asprintf(local_ctx,
561 "%s. Invalid LDAP_MODIFY_* type", errstr);
562 goto reply;
563 case LDAP_MODIFY_ADD:
564 msg->elements[i].flags = LDB_FLAG_MOD_ADD;
565 break;
566 case LDAP_MODIFY_DELETE:
567 msg->elements[i].flags = LDB_FLAG_MOD_DELETE;
568 break;
569 case LDAP_MODIFY_REPLACE:
570 msg->elements[i].flags = LDB_FLAG_MOD_REPLACE;
571 break;
572 }
573
574 msg->elements[i].num_values = req->mods[i].attrib.num_values;
575 if (msg->elements[i].num_values > 0) {
576 msg->elements[i].values = talloc_array(msg->elements, struct ldb_val,
577 msg->elements[i].num_values);
578 NT_STATUS_HAVE_NO_MEMORY(msg->elements[i].values);
579
580 for (j=0; j < msg->elements[i].num_values; j++) {
581 msg->elements[i].values[j].length = req->mods[i].attrib.values[j].length;
582 msg->elements[i].values[j].data = req->mods[i].attrib.values[j].data;
583 }
584 }
585 }
586 }
587
588 reply:
589 modify_reply = ldapsrv_init_reply(call, LDAP_TAG_ModifyResponse);
590 NT_STATUS_HAVE_NO_MEMORY(modify_reply);
591
592 if (result == LDAP_SUCCESS) {
593 ldb_ret = ldb_mod_req_with_controls(samdb, msg, call->request->controls);
594 result = map_ldb_error(local_ctx, ldb_ret, &errstr);
595 }
596
597 modify_result = &modify_reply->msg->r.AddResponse;
598 modify_result->dn = NULL;
599 modify_result->resultcode = result;
600 modify_result->errormessage = (errstr?talloc_strdup(modify_reply, errstr):NULL);
601 modify_result->referral = NULL;
602
603 talloc_free(local_ctx);
604
605 ldapsrv_queue_reply(call, modify_reply);
606 return NT_STATUS_OK;
607
608 }
609
610 static NTSTATUS ldapsrv_AddRequest(struct ldapsrv_call *call)
611 {
612 struct ldap_AddRequest *req = &call->request->r.AddRequest;
613 struct ldap_Result *add_result;
614 struct ldapsrv_reply *add_reply;
615 TALLOC_CTX *local_ctx;
616 struct ldb_context *samdb = call->conn->ldb;
617 struct ldb_message *msg = NULL;
618 struct ldb_dn *dn;
619 const char *errstr = NULL;
620 int result = LDAP_SUCCESS;
621 int ldb_ret;
622 int i,j;
623
624 DEBUG(10, ("AddRequest"));
625 DEBUGADD(10, (" dn: %s", req->dn));
626
627 local_ctx = talloc_named(call, 0, "AddRequest local memory context");
628 NT_STATUS_HAVE_NO_MEMORY(local_ctx);
629
630 dn = ldb_dn_new(local_ctx, samdb, req->dn);
631 VALID_DN_SYNTAX(dn);
632
633 DEBUG(10, ("AddRequest: dn: [%s]\n", req->dn));
634
635 msg = talloc(local_ctx, struct ldb_message);
636 NT_STATUS_HAVE_NO_MEMORY(msg);
637
638 msg->dn = dn;
639 msg->num_elements = 0;
640 msg->elements = NULL;
641
642 if (req->num_attributes > 0) {
643 msg->num_elements = req->num_attributes;
644 msg->elements = talloc_array(msg, struct ldb_message_element, msg->num_elements);
645 NT_STATUS_HAVE_NO_MEMORY(msg->elements);
646
647 for (i=0; i < msg->num_elements; i++) {
648 msg->elements[i].name = discard_const_p(char, req->attributes[i].name);
649 msg->elements[i].flags = 0;
650 msg->elements[i].num_values = 0;
651 msg->elements[i].values = NULL;
652
653 if (req->attributes[i].num_values > 0) {
654 msg->elements[i].num_values = req->attributes[i].num_values;
655 msg->elements[i].values = talloc_array(msg->elements, struct ldb_val,
656 msg->elements[i].num_values);
657 NT_STATUS_HAVE_NO_MEMORY(msg->elements[i].values);
658
659 for (j=0; j < msg->elements[i].num_values; j++) {
660 msg->elements[i].values[j].length = req->attributes[i].values[j].length;
661 msg->elements[i].values[j].data = req->attributes[i].values[j].data;
662 }
663 }
664 }
665 }
666
667 reply:
668 add_reply = ldapsrv_init_reply(call, LDAP_TAG_AddResponse);
669 NT_STATUS_HAVE_NO_MEMORY(add_reply);
670
671 if (result == LDAP_SUCCESS) {
672 ldb_ret = ldb_add(samdb, msg);
673 result = map_ldb_error(local_ctx, ldb_ret, &errstr);
674 }
675
676 add_result = &add_reply->msg->r.AddResponse;
677 add_result->dn = NULL;
678 add_result->resultcode = result;
679 add_result->errormessage = (errstr?talloc_strdup(add_reply,errstr):NULL);
680 add_result->referral = NULL;
681
682 talloc_free(local_ctx);
683
684 ldapsrv_queue_reply(call, add_reply);
685 return NT_STATUS_OK;
686
687 }
688
689 static NTSTATUS ldapsrv_DelRequest(struct ldapsrv_call *call)
690 {
691 struct ldap_DelRequest *req = &call->request->r.DelRequest;
692 struct ldap_Result *del_result;
693 struct ldapsrv_reply *del_reply;
694 TALLOC_CTX *local_ctx;
695 struct ldb_context *samdb = call->conn->ldb;
696 struct ldb_dn *dn;
697 const char *errstr = NULL;
698 int result = LDAP_SUCCESS;
699 int ldb_ret;
700
701 DEBUG(10, ("DelRequest"));
702 DEBUGADD(10, (" dn: %s", req->dn));
703
704 local_ctx = talloc_named(call, 0, "DelRequest local memory context");
705 NT_STATUS_HAVE_NO_MEMORY(local_ctx);
706
707 dn = ldb_dn_new(local_ctx, samdb, req->dn);
708 VALID_DN_SYNTAX(dn);
709
710 DEBUG(10, ("DelRequest: dn: [%s]\n", req->dn));
711
712 reply:
713 del_reply = ldapsrv_init_reply(call, LDAP_TAG_DelResponse);
714 NT_STATUS_HAVE_NO_MEMORY(del_reply);
715
716 if (result == LDAP_SUCCESS) {
717 ldb_ret = ldb_delete(samdb, dn);
718 result = map_ldb_error(local_ctx, ldb_ret, &errstr);
719 }
720
721 del_result = &del_reply->msg->r.DelResponse;
722 del_result->dn = NULL;
723 del_result->resultcode = result;
724 del_result->errormessage = (errstr?talloc_strdup(del_reply,errstr):NULL);
725 del_result->referral = NULL;
726
727 talloc_free(local_ctx);
728
729 ldapsrv_queue_reply(call, del_reply);
730 return NT_STATUS_OK;
731 }
732
733 static NTSTATUS ldapsrv_ModifyDNRequest(struct ldapsrv_call *call)
734 {
735 struct ldap_ModifyDNRequest *req = &call->request->r.ModifyDNRequest;
736 struct ldap_Result *modifydn;
737 struct ldapsrv_reply *modifydn_r;
738 TALLOC_CTX *local_ctx;
739 struct ldb_context *samdb = call->conn->ldb;
740 struct ldb_dn *olddn, *newdn=NULL, *newrdn;
741 struct ldb_dn *parentdn = NULL;
742 const char *errstr = NULL;
743 int result = LDAP_SUCCESS;
744 int ldb_ret;
745
746 DEBUG(10, ("ModifyDNRequest"));
747 DEBUGADD(10, (" dn: %s", req->dn));
748 DEBUGADD(10, (" newrdn: %s", req->newrdn));
749
750 local_ctx = talloc_named(call, 0, "ModifyDNRequest local memory context");
751 NT_STATUS_HAVE_NO_MEMORY(local_ctx);
752
753 olddn = ldb_dn_new(local_ctx, samdb, req->dn);
754 VALID_DN_SYNTAX(olddn);
755
756 newrdn = ldb_dn_new(local_ctx, samdb, req->newrdn);
757 VALID_DN_SYNTAX(newrdn);
758
759 DEBUG(10, ("ModifyDNRequest: olddn: [%s]\n", req->dn));
760 DEBUG(10, ("ModifyDNRequest: newrdn: [%s]\n", req->newrdn));
761
762 if (ldb_dn_get_comp_num(newrdn) != 1) {
763 result = LDAP_INVALID_DN_SYNTAX;
764 map_ldb_error(local_ctx, LDB_ERR_INVALID_DN_SYNTAX, &errstr);
765 goto reply;
766 }
767
768 /* we can't handle the rename if we should not remove the old dn */
769 if (!req->deleteolddn) {
770 result = LDAP_UNWILLING_TO_PERFORM;
771 map_ldb_error(local_ctx, LDB_ERR_UNWILLING_TO_PERFORM, &errstr);
772 errstr = talloc_asprintf(local_ctx,
773 "%s. Old RDN must be deleted", errstr);
774 goto reply;
775 }
776
777 if (req->newsuperior) {
778 parentdn = ldb_dn_new(local_ctx, samdb, req->newsuperior);
779 VALID_DN_SYNTAX(parentdn);
780 DEBUG(10, ("ModifyDNRequest: newsuperior: [%s]\n", req->newsuperior));
781
782 if (ldb_dn_get_comp_num(parentdn) < 1) {
783 result = LDAP_AFFECTS_MULTIPLE_DSAS;
784 map_ldb_error(local_ctx, LDB_ERR_AFFECTS_MULTIPLE_DSAS,
785 &errstr);
786 errstr = talloc_asprintf(local_ctx,
787 "%s. Error new Superior DN invalid", errstr);
788 goto reply;
789 }
790 }
791
792 if (!parentdn) {
793 parentdn = ldb_dn_get_parent(local_ctx, olddn);
794 NT_STATUS_HAVE_NO_MEMORY(parentdn);
795 }
796
797 if ( ! ldb_dn_add_child(parentdn, newrdn)) {
798 result = LDAP_OTHER;
799 goto reply;
800 }
801 newdn = parentdn;
802
803 reply:
804 modifydn_r = ldapsrv_init_reply(call, LDAP_TAG_ModifyDNResponse);
805 NT_STATUS_HAVE_NO_MEMORY(modifydn_r);
806
807 if (result == LDAP_SUCCESS) {
808 ldb_ret = ldb_rename(samdb, olddn, newdn);
809 result = map_ldb_error(local_ctx, ldb_ret, &errstr);
810 }
811
812 modifydn = &modifydn_r->msg->r.ModifyDNResponse;
813 modifydn->dn = NULL;
814 modifydn->resultcode = result;
815 modifydn->errormessage = (errstr?talloc_strdup(modifydn_r,errstr):NULL);
816 modifydn->referral = NULL;
817
818 talloc_free(local_ctx);
819
820 ldapsrv_queue_reply(call, modifydn_r);
821 return NT_STATUS_OK;
822 }
823
824 static NTSTATUS ldapsrv_CompareRequest(struct ldapsrv_call *call)
825 {
826 struct ldap_CompareRequest *req = &call->request->r.CompareRequest;
827 struct ldap_Result *compare;
828 struct ldapsrv_reply *compare_r;
829 TALLOC_CTX *local_ctx;
830 struct ldb_context *samdb = call->conn->ldb;
831 struct ldb_result *res = NULL;
832 struct ldb_dn *dn;
833 const char *attrs[1];
834 const char *errstr = NULL;
835 const char *filter = NULL;
836 int result = LDAP_SUCCESS;
837 int ldb_ret;
838
839 DEBUG(10, ("CompareRequest"));
840 DEBUGADD(10, (" dn: %s", req->dn));
841
842 local_ctx = talloc_named(call, 0, "CompareRequest 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, ("CompareRequest: dn: [%s]\n", req->dn));
849 filter = talloc_asprintf(local_ctx, "(%s=%*s)", req->attribute,
850 (int)req->value.length, req->value.data);
851 NT_STATUS_HAVE_NO_MEMORY(filter);
852
853 DEBUGADD(10, ("CompareRequest: attribute: [%s]\n", filter));
854
855 attrs[0] = NULL;
856
857 reply:
858 compare_r = ldapsrv_init_reply(call, LDAP_TAG_CompareResponse);
859 NT_STATUS_HAVE_NO_MEMORY(compare_r);
860
861 if (result == LDAP_SUCCESS) {
862 ldb_ret = ldb_search(samdb, local_ctx, &res,
863 dn, LDB_SCOPE_BASE, attrs, "%s", filter);
864 if (ldb_ret != LDB_SUCCESS) {
865 result = map_ldb_error(local_ctx, ldb_ret, &errstr);
866 DEBUG(10,("CompareRequest: error: %s\n", errstr));
867 } else if (res->count == 0) {
868 DEBUG(10,("CompareRequest: doesn't matched\n"));
869 result = LDAP_COMPARE_FALSE;
870 errstr = NULL;
871 } else if (res->count == 1) {
872 DEBUG(10,("CompareRequest: matched\n"));
873 result = LDAP_COMPARE_TRUE;
874 errstr = NULL;
875 } else if (res->count > 1) {
876 result = LDAP_OTHER;
877 map_ldb_error(local_ctx, LDB_ERR_OTHER, &errstr);
878 errstr = talloc_asprintf(local_ctx,
879 "%s. Too many objects match!", errstr);
880 DEBUG(10,("CompareRequest: %d results: %s\n", res->count, errstr));
881 }
882 }
883
884 compare = &compare_r->msg->r.CompareResponse;
885 compare->dn = NULL;
886 compare->resultcode = result;
887 compare->errormessage = (errstr?talloc_strdup(compare_r,errstr):NULL);
888 compare->referral = NULL;
889
890 talloc_free(local_ctx);
891
892 ldapsrv_queue_reply(call, compare_r);
893 return NT_STATUS_OK;
894 }
895
896 static NTSTATUS ldapsrv_AbandonRequest(struct ldapsrv_call *call)
897 {
898 /* struct ldap_AbandonRequest *req = &call->request.r.AbandonRequest;*/
899 DEBUG(10, ("AbandonRequest\n"));
900 return NT_STATUS_OK;
901 }
902
903 NTSTATUS ldapsrv_do_call(struct ldapsrv_call *call)
904 {
905 int i;
906 struct ldap_message *msg = call->request;
907 /* Check for undecoded critical extensions */
908 for (i=0; msg->controls && msg->controls[i]; i++) {
909 if (!msg->controls_decoded[i] &&
910 msg->controls[i]->critical) {
911 DEBUG(3, ("ldapsrv_do_call: Critical extension %s is not known to this server\n",
912 msg->controls[i]->oid));
913 return ldapsrv_unwilling(call, LDAP_UNAVAILABLE_CRITICAL_EXTENSION);
914 }
915 }
916
917 switch(call->request->type) {
918 case LDAP_TAG_BindRequest:
919 return ldapsrv_BindRequest(call);
920 case LDAP_TAG_UnbindRequest:
921 return ldapsrv_UnbindRequest(call);
922 case LDAP_TAG_SearchRequest:
923 return ldapsrv_SearchRequest(call);
924 case LDAP_TAG_ModifyRequest:
925 return ldapsrv_ModifyRequest(call);
926 case LDAP_TAG_AddRequest:
927 return ldapsrv_AddRequest(call);
928 case LDAP_TAG_DelRequest:
929 return ldapsrv_DelRequest(call);
930 case LDAP_TAG_ModifyDNRequest:
931 return ldapsrv_ModifyDNRequest(call);
932 case LDAP_TAG_CompareRequest:
933 return ldapsrv_CompareRequest(call);
934 case LDAP_TAG_AbandonRequest:
935 return ldapsrv_AbandonRequest(call);
936 case LDAP_TAG_ExtendedRequest:
937 return ldapsrv_ExtendedRequest(call);
938 default:
939 return ldapsrv_unwilling(call, 2);
940 }
941 }