2 Unix SMB/CIFS implementation.
4 Copyright (C) Stefan Metzmacher 2004
5 Copyright (C) Matthias Dieter Wallnöfer 2009
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.
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.
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/>.
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/include/ldb_module.h"
33 #define VALID_DN_SYNTAX(dn) do {\
35 return NT_STATUS_NO_MEMORY;\
36 } else if ( ! ldb_dn_validate(dn)) {\
37 result = LDAP_INVALID_DN_SYNTAX;\
38 map_ldb_error(local_ctx, LDB_ERR_INVALID_DN_SYNTAX, NULL,\
44 static int map_ldb_error(TALLOC_CTX *mem_ctx, int ldb_err,
45 const char *add_err_string, const char **errstring)
49 /* Certain LDB modules need to return very special WERROR codes. Proof
50 * for them here and if they exist skip the rest of the mapping. */
51 if (add_err_string != NULL) {
53 strtol(add_err_string, &endptr, 16);
54 if (endptr != add_err_string) {
55 *errstring = add_err_string;
60 /* Otherwise we calculate here a generic, but appropriate WERROR. */
66 case LDB_ERR_OPERATIONS_ERROR:
67 err = WERR_DS_OPERATIONS_ERROR;
69 case LDB_ERR_PROTOCOL_ERROR:
70 err = WERR_DS_PROTOCOL_ERROR;
72 case LDB_ERR_TIME_LIMIT_EXCEEDED:
73 err = WERR_DS_TIMELIMIT_EXCEEDED;
75 case LDB_ERR_SIZE_LIMIT_EXCEEDED:
76 err = WERR_DS_SIZELIMIT_EXCEEDED;
78 case LDB_ERR_COMPARE_FALSE:
79 err = WERR_DS_COMPARE_FALSE;
81 case LDB_ERR_COMPARE_TRUE:
82 err = WERR_DS_COMPARE_TRUE;
84 case LDB_ERR_AUTH_METHOD_NOT_SUPPORTED:
85 err = WERR_DS_AUTH_METHOD_NOT_SUPPORTED;
87 case LDB_ERR_STRONG_AUTH_REQUIRED:
88 err = WERR_DS_STRONG_AUTH_REQUIRED;
90 case LDB_ERR_REFERRAL:
91 err = WERR_DS_REFERRAL;
93 case LDB_ERR_ADMIN_LIMIT_EXCEEDED:
94 err = WERR_DS_ADMIN_LIMIT_EXCEEDED;
96 case LDB_ERR_UNSUPPORTED_CRITICAL_EXTENSION:
97 err = WERR_DS_UNAVAILABLE_CRIT_EXTENSION;
99 case LDB_ERR_CONFIDENTIALITY_REQUIRED:
100 err = WERR_DS_CONFIDENTIALITY_REQUIRED;
102 case LDB_ERR_SASL_BIND_IN_PROGRESS:
105 case LDB_ERR_NO_SUCH_ATTRIBUTE:
106 err = WERR_DS_NO_ATTRIBUTE_OR_VALUE;
108 case LDB_ERR_UNDEFINED_ATTRIBUTE_TYPE:
109 err = WERR_DS_ATTRIBUTE_TYPE_UNDEFINED;
111 case LDB_ERR_INAPPROPRIATE_MATCHING:
112 err = WERR_DS_INAPPROPRIATE_MATCHING;
114 case LDB_ERR_CONSTRAINT_VIOLATION:
115 err = WERR_DS_CONSTRAINT_VIOLATION;
117 case LDB_ERR_ATTRIBUTE_OR_VALUE_EXISTS:
118 err = WERR_DS_ATTRIBUTE_OR_VALUE_EXISTS;
120 case LDB_ERR_INVALID_ATTRIBUTE_SYNTAX:
121 err = WERR_DS_INVALID_ATTRIBUTE_SYNTAX;
123 case LDB_ERR_NO_SUCH_OBJECT:
124 err = WERR_DS_NO_SUCH_OBJECT;
126 case LDB_ERR_ALIAS_PROBLEM:
127 err = WERR_DS_ALIAS_PROBLEM;
129 case LDB_ERR_INVALID_DN_SYNTAX:
130 err = WERR_DS_INVALID_DN_SYNTAX;
132 case LDB_ERR_ALIAS_DEREFERENCING_PROBLEM:
133 err = WERR_DS_ALIAS_DEREF_PROBLEM;
135 case LDB_ERR_INAPPROPRIATE_AUTHENTICATION:
136 err = WERR_DS_INAPPROPRIATE_AUTH;
138 case LDB_ERR_INVALID_CREDENTIALS:
139 err = WERR_ACCESS_DENIED;
141 case LDB_ERR_INSUFFICIENT_ACCESS_RIGHTS:
142 err = WERR_DS_INSUFF_ACCESS_RIGHTS;
147 case LDB_ERR_UNAVAILABLE:
148 err = WERR_DS_UNAVAILABLE;
150 case LDB_ERR_UNWILLING_TO_PERFORM:
151 err = WERR_DS_UNWILLING_TO_PERFORM;
153 case LDB_ERR_LOOP_DETECT:
154 err = WERR_DS_LOOP_DETECT;
156 case LDB_ERR_NAMING_VIOLATION:
157 err = WERR_DS_NAMING_VIOLATION;
159 case LDB_ERR_OBJECT_CLASS_VIOLATION:
160 err = WERR_DS_OBJ_CLASS_VIOLATION;
162 case LDB_ERR_NOT_ALLOWED_ON_NON_LEAF:
163 err = WERR_DS_CANT_ON_NON_LEAF;
165 case LDB_ERR_NOT_ALLOWED_ON_RDN:
166 err = WERR_DS_CANT_ON_RDN;
168 case LDB_ERR_ENTRY_ALREADY_EXISTS:
169 err = WERR_DS_OBJ_STRING_NAME_EXISTS;
171 case LDB_ERR_OBJECT_CLASS_MODS_PROHIBITED:
172 err = WERR_DS_CANT_MOD_OBJ_CLASS;
174 case LDB_ERR_AFFECTS_MULTIPLE_DSAS:
175 err = WERR_DS_AFFECTS_MULTIPLE_DSAS;
178 err = WERR_DS_GENERIC_ERROR;
182 *errstring = talloc_asprintf(mem_ctx, "%08X: %s", W_ERROR_V(err),
183 ldb_strerror(ldb_err));
184 if (add_err_string != NULL) {
185 *errstring = talloc_asprintf(mem_ctx, "%s - %s", *errstring,
189 /* result is 1:1 for now */
194 connect to the sam database
196 NTSTATUS ldapsrv_backend_Init(struct ldapsrv_connection *conn)
198 conn->ldb = samdb_connect(conn,
199 conn->connection->event.ctx,
202 conn->global_catalog ? LDB_FLG_RDONLY : 0);
203 if (conn->ldb == NULL) {
204 return NT_STATUS_INTERNAL_DB_CORRUPTION;
207 if (conn->server_credentials) {
208 char **sasl_mechs = NULL;
209 struct gensec_security_ops **backends = gensec_security_all();
210 struct gensec_security_ops **ops
211 = gensec_use_kerberos_mechs(conn, backends, conn->server_credentials);
212 unsigned int i, j = 0;
213 for (i = 0; ops && ops[i]; i++) {
214 if (!lpcfg_parm_bool(conn->lp_ctx, NULL, "gensec", ops[i]->name, ops[i]->enabled))
217 if (ops[i]->sasl_name && ops[i]->server_start) {
218 char *sasl_name = talloc_strdup(conn, ops[i]->sasl_name);
221 return NT_STATUS_NO_MEMORY;
223 sasl_mechs = talloc_realloc(conn, sasl_mechs, char *, j + 2);
225 return NT_STATUS_NO_MEMORY;
227 sasl_mechs[j] = sasl_name;
228 talloc_steal(sasl_mechs, sasl_name);
229 sasl_mechs[j+1] = NULL;
233 talloc_unlink(conn, ops);
235 /* ldb can have a different lifetime to conn, so we
236 need to ensure that sasl_mechs lives as long as the
238 talloc_steal(conn->ldb, sasl_mechs);
240 ldb_set_opaque(conn->ldb, "supportedSASLMechanisms", sasl_mechs);
246 struct ldapsrv_reply *ldapsrv_init_reply(struct ldapsrv_call *call, uint8_t type)
248 struct ldapsrv_reply *reply;
250 reply = talloc(call, struct ldapsrv_reply);
254 reply->msg = talloc(reply, struct ldap_message);
255 if (reply->msg == NULL) {
260 reply->msg->messageid = call->request->messageid;
261 reply->msg->type = type;
262 reply->msg->controls = NULL;
267 void ldapsrv_queue_reply(struct ldapsrv_call *call, struct ldapsrv_reply *reply)
269 DLIST_ADD_END(call->replies, reply, struct ldapsrv_reply *);
272 static NTSTATUS ldapsrv_unwilling(struct ldapsrv_call *call, int error)
274 struct ldapsrv_reply *reply;
275 struct ldap_ExtendedResponse *r;
277 DEBUG(10,("Unwilling type[%d] id[%d]\n", call->request->type, call->request->messageid));
279 reply = ldapsrv_init_reply(call, LDAP_TAG_ExtendedResponse);
281 return NT_STATUS_NO_MEMORY;
284 r = &reply->msg->r.ExtendedResponse;
285 r->response.resultcode = error;
286 r->response.dn = NULL;
287 r->response.errormessage = NULL;
288 r->response.referral = NULL;
292 ldapsrv_queue_reply(call, reply);
296 static int ldb_add_with_controls(struct ldb_context *ldb,
297 const struct ldb_message *message,
298 struct ldb_control **controls,
301 struct ldb_request *req;
304 ret = ldb_msg_sanity_check(ldb, message);
305 if (ret != LDB_SUCCESS) {
309 ret = ldb_build_add_req(&req, ldb, ldb,
313 ldb_modify_default_callback,
316 if (ret != LDB_SUCCESS) return ret;
318 ret = ldb_transaction_start(ldb);
319 if (ret != LDB_SUCCESS) {
323 ldb_req_mark_untrusted(req);
325 LDB_REQ_SET_LOCATION(req);
327 ret = ldb_request(ldb, req);
328 if (ret == LDB_SUCCESS) {
329 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
332 if (ret == LDB_SUCCESS) {
333 ret = ldb_transaction_commit(ldb);
336 ldb_transaction_cancel(ldb);
343 /* create and execute a modify request */
344 static int ldb_mod_req_with_controls(struct ldb_context *ldb,
345 const struct ldb_message *message,
346 struct ldb_control **controls,
349 struct ldb_request *req;
352 ret = ldb_msg_sanity_check(ldb, message);
353 if (ret != LDB_SUCCESS) {
357 ret = ldb_build_mod_req(&req, ldb, ldb,
361 ldb_modify_default_callback,
364 if (ret != LDB_SUCCESS) {
368 ret = ldb_transaction_start(ldb);
369 if (ret != LDB_SUCCESS) {
373 ldb_req_mark_untrusted(req);
375 LDB_REQ_SET_LOCATION(req);
377 ret = ldb_request(ldb, req);
378 if (ret == LDB_SUCCESS) {
379 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
382 if (ret == LDB_SUCCESS) {
383 ret = ldb_transaction_commit(ldb);
386 ldb_transaction_cancel(ldb);
393 /* create and execute a delete request */
394 static int ldb_del_req_with_controls(struct ldb_context *ldb,
396 struct ldb_control **controls,
399 struct ldb_request *req;
402 ret = ldb_build_del_req(&req, ldb, ldb,
406 ldb_modify_default_callback,
409 if (ret != LDB_SUCCESS) return ret;
411 ret = ldb_transaction_start(ldb);
412 if (ret != LDB_SUCCESS) {
416 ldb_req_mark_untrusted(req);
418 LDB_REQ_SET_LOCATION(req);
420 ret = ldb_request(ldb, req);
421 if (ret == LDB_SUCCESS) {
422 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
425 if (ret == LDB_SUCCESS) {
426 ret = ldb_transaction_commit(ldb);
429 ldb_transaction_cancel(ldb);
436 int ldb_rename_with_controls(struct ldb_context *ldb,
437 struct ldb_dn *olddn,
438 struct ldb_dn *newdn,
439 struct ldb_control **controls,
442 struct ldb_request *req;
445 ret = ldb_build_rename_req(&req, ldb, ldb,
450 ldb_modify_default_callback,
453 if (ret != LDB_SUCCESS) return ret;
455 ret = ldb_transaction_start(ldb);
456 if (ret != LDB_SUCCESS) {
460 ldb_req_mark_untrusted(req);
462 LDB_REQ_SET_LOCATION(req);
464 ret = ldb_request(ldb, req);
465 if (ret == LDB_SUCCESS) {
466 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
469 if (ret == LDB_SUCCESS) {
470 ret = ldb_transaction_commit(ldb);
473 ldb_transaction_cancel(ldb);
480 static NTSTATUS ldapsrv_SearchRequest(struct ldapsrv_call *call)
482 struct ldap_SearchRequest *req = &call->request->r.SearchRequest;
483 struct ldap_SearchResEntry *ent;
484 struct ldap_Result *done;
485 struct ldapsrv_reply *ent_r, *done_r;
486 TALLOC_CTX *local_ctx;
487 struct ldb_context *samdb = talloc_get_type(call->conn->ldb, struct ldb_context);
488 struct ldb_dn *basedn;
489 struct ldb_result *res = NULL;
490 struct ldb_request *lreq;
491 struct ldb_control *search_control;
492 struct ldb_search_options_control *search_options;
493 struct ldb_control *extended_dn_control;
494 struct ldb_extended_dn_control *extended_dn_decoded = NULL;
495 enum ldb_scope scope = LDB_SCOPE_DEFAULT;
496 const char **attrs = NULL;
497 const char *scope_str, *errstr = NULL;
498 int success_limit = 1;
502 int extended_type = 1;
504 DEBUG(10, ("SearchRequest"));
505 DEBUGADD(10, (" basedn: %s", req->basedn));
506 DEBUGADD(10, (" filter: %s\n", ldb_filter_from_tree(call, req->tree)));
508 local_ctx = talloc_new(call);
509 NT_STATUS_HAVE_NO_MEMORY(local_ctx);
511 basedn = ldb_dn_new(local_ctx, samdb, req->basedn);
512 VALID_DN_SYNTAX(basedn);
514 DEBUG(10, ("SearchRequest: basedn: [%s]\n", req->basedn));
515 DEBUG(10, ("SearchRequest: filter: [%s]\n", ldb_filter_from_tree(call, req->tree)));
517 switch (req->scope) {
518 case LDAP_SEARCH_SCOPE_BASE:
520 scope = LDB_SCOPE_BASE;
523 case LDAP_SEARCH_SCOPE_SINGLE:
525 scope = LDB_SCOPE_ONELEVEL;
528 case LDAP_SEARCH_SCOPE_SUB:
530 scope = LDB_SCOPE_SUBTREE;
534 result = LDAP_PROTOCOL_ERROR;
535 map_ldb_error(local_ctx, LDB_ERR_PROTOCOL_ERROR, NULL,
537 errstr = talloc_asprintf(local_ctx,
538 "%s. Invalid scope", errstr);
541 DEBUG(10,("SearchRequest: scope: [%s]\n", scope_str));
543 if (req->num_attributes >= 1) {
544 attrs = talloc_array(local_ctx, const char *, req->num_attributes+1);
545 NT_STATUS_HAVE_NO_MEMORY(attrs);
547 for (i=0; i < req->num_attributes; i++) {
548 DEBUG(10,("SearchRequest: attrs: [%s]\n",req->attributes[i]));
549 attrs[i] = req->attributes[i];
554 DEBUG(5,("ldb_request %s dn=%s filter=%s\n",
555 scope_str, req->basedn, ldb_filter_from_tree(call, req->tree)));
557 res = talloc_zero(local_ctx, struct ldb_result);
558 NT_STATUS_HAVE_NO_MEMORY(res);
560 ldb_ret = ldb_build_search_req_ex(&lreq, samdb, local_ctx,
563 call->request->controls,
564 res, ldb_search_default_callback,
567 if (ldb_ret != LDB_SUCCESS) {
571 if (call->conn->global_catalog) {
572 search_control = ldb_request_get_control(lreq, LDB_CONTROL_SEARCH_OPTIONS_OID);
574 search_options = NULL;
575 if (search_control) {
576 search_options = talloc_get_type(search_control->data, struct ldb_search_options_control);
577 search_options->search_options |= LDB_SEARCH_OPTION_PHANTOM_ROOT;
579 search_options = talloc(lreq, struct ldb_search_options_control);
580 NT_STATUS_HAVE_NO_MEMORY(search_options);
581 search_options->search_options = LDB_SEARCH_OPTION_PHANTOM_ROOT;
582 ldb_request_add_control(lreq, LDB_CONTROL_SEARCH_OPTIONS_OID, false, search_options);
586 extended_dn_control = ldb_request_get_control(lreq, LDB_CONTROL_EXTENDED_DN_OID);
588 if (extended_dn_control) {
589 if (extended_dn_control->data) {
590 extended_dn_decoded = talloc_get_type(extended_dn_control->data, struct ldb_extended_dn_control);
591 extended_type = extended_dn_decoded->type;
597 ldb_set_timeout(samdb, lreq, req->timelimit);
599 ldb_req_mark_untrusted(lreq);
601 LDB_REQ_SET_LOCATION(lreq);
603 ldb_ret = ldb_request(samdb, lreq);
605 if (ldb_ret != LDB_SUCCESS) {
609 ldb_ret = ldb_wait(lreq->handle, LDB_WAIT_ALL);
611 if (ldb_ret == LDB_SUCCESS) {
612 for (i = 0; i < res->count; i++) {
613 ent_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultEntry);
614 NT_STATUS_HAVE_NO_MEMORY(ent_r);
616 /* Better to have the whole message kept here,
617 * than to find someone further up didn't put
618 * a value in the right spot in the talloc tree */
619 talloc_steal(ent_r, res->msgs[i]);
621 ent = &ent_r->msg->r.SearchResultEntry;
622 ent->dn = ldb_dn_get_extended_linearized(ent_r, res->msgs[i]->dn, extended_type);
623 ent->num_attributes = 0;
624 ent->attributes = NULL;
625 if (res->msgs[i]->num_elements == 0) {
628 ent->num_attributes = res->msgs[i]->num_elements;
629 ent->attributes = talloc_array(ent_r, struct ldb_message_element, ent->num_attributes);
630 NT_STATUS_HAVE_NO_MEMORY(ent->attributes);
631 for (j=0; j < ent->num_attributes; j++) {
632 ent->attributes[j].name = res->msgs[i]->elements[j].name;
633 ent->attributes[j].num_values = 0;
634 ent->attributes[j].values = NULL;
635 if (req->attributesonly && (res->msgs[i]->elements[j].num_values == 0)) {
638 ent->attributes[j].num_values = res->msgs[i]->elements[j].num_values;
639 ent->attributes[j].values = res->msgs[i]->elements[j].values;
642 ldapsrv_queue_reply(call, ent_r);
645 /* Send back referrals if they do exist (search operations) */
646 if (res->refs != NULL) {
648 struct ldap_SearchResRef *ent_ref;
650 for (ref = res->refs; *ref != NULL; ++ref) {
651 ent_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultReference);
652 NT_STATUS_HAVE_NO_MEMORY(ent_r);
654 /* Better to have the whole referrals kept here,
655 * than to find someone further up didn't put
656 * a value in the right spot in the talloc tree
658 talloc_steal(ent_r, *ref);
660 ent_ref = &ent_r->msg->r.SearchResultReference;
661 ent_ref->referral = *ref;
663 ldapsrv_queue_reply(call, ent_r);
669 done_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultDone);
670 NT_STATUS_HAVE_NO_MEMORY(done_r);
672 done = &done_r->msg->r.SearchResultDone;
674 done->referral = NULL;
677 } else if (ldb_ret == LDB_SUCCESS) {
678 if (res->count >= success_limit) {
679 DEBUG(10,("SearchRequest: results: [%d]\n", res->count));
680 result = LDAP_SUCCESS;
684 done_r->msg->controls = res->controls;
685 talloc_steal(done_r, res->controls);
688 DEBUG(10,("SearchRequest: error\n"));
689 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
693 done->resultcode = result;
694 done->errormessage = (errstr?talloc_strdup(done_r, errstr):NULL);
696 talloc_free(local_ctx);
698 ldapsrv_queue_reply(call, done_r);
702 static NTSTATUS ldapsrv_ModifyRequest(struct ldapsrv_call *call)
704 struct ldap_ModifyRequest *req = &call->request->r.ModifyRequest;
705 struct ldap_Result *modify_result;
706 struct ldapsrv_reply *modify_reply;
707 TALLOC_CTX *local_ctx;
708 struct ldb_context *samdb = call->conn->ldb;
709 struct ldb_message *msg = NULL;
711 const char *errstr = NULL;
712 int result = LDAP_SUCCESS;
715 struct ldb_result *res = NULL;
717 DEBUG(10, ("ModifyRequest"));
718 DEBUGADD(10, (" dn: %s\n", req->dn));
720 local_ctx = talloc_named(call, 0, "ModifyRequest local memory context");
721 NT_STATUS_HAVE_NO_MEMORY(local_ctx);
723 dn = ldb_dn_new(local_ctx, samdb, req->dn);
726 DEBUG(10, ("ModifyRequest: dn: [%s]\n", req->dn));
728 msg = talloc(local_ctx, struct ldb_message);
729 NT_STATUS_HAVE_NO_MEMORY(msg);
732 msg->num_elements = 0;
733 msg->elements = NULL;
735 if (req->num_mods > 0) {
736 msg->num_elements = req->num_mods;
737 msg->elements = talloc_array(msg, struct ldb_message_element, req->num_mods);
738 NT_STATUS_HAVE_NO_MEMORY(msg->elements);
740 for (i=0; i < msg->num_elements; i++) {
741 msg->elements[i].name = discard_const_p(char, req->mods[i].attrib.name);
742 msg->elements[i].num_values = 0;
743 msg->elements[i].values = NULL;
745 switch (req->mods[i].type) {
747 result = LDAP_PROTOCOL_ERROR;
748 map_ldb_error(local_ctx,
749 LDB_ERR_PROTOCOL_ERROR, NULL, &errstr);
750 errstr = talloc_asprintf(local_ctx,
751 "%s. Invalid LDAP_MODIFY_* type", errstr);
753 case LDAP_MODIFY_ADD:
754 msg->elements[i].flags = LDB_FLAG_MOD_ADD;
756 case LDAP_MODIFY_DELETE:
757 msg->elements[i].flags = LDB_FLAG_MOD_DELETE;
759 case LDAP_MODIFY_REPLACE:
760 msg->elements[i].flags = LDB_FLAG_MOD_REPLACE;
764 msg->elements[i].num_values = req->mods[i].attrib.num_values;
765 if (msg->elements[i].num_values > 0) {
766 msg->elements[i].values = talloc_array(msg->elements, struct ldb_val,
767 msg->elements[i].num_values);
768 NT_STATUS_HAVE_NO_MEMORY(msg->elements[i].values);
770 for (j=0; j < msg->elements[i].num_values; j++) {
771 msg->elements[i].values[j].length = req->mods[i].attrib.values[j].length;
772 msg->elements[i].values[j].data = req->mods[i].attrib.values[j].data;
779 modify_reply = ldapsrv_init_reply(call, LDAP_TAG_ModifyResponse);
780 NT_STATUS_HAVE_NO_MEMORY(modify_reply);
782 if (result == LDAP_SUCCESS) {
783 res = talloc_zero(local_ctx, struct ldb_result);
784 NT_STATUS_HAVE_NO_MEMORY(res);
785 ldb_ret = ldb_mod_req_with_controls(samdb, msg, call->request->controls, res);
786 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
790 modify_result = &modify_reply->msg->r.ModifyResponse;
791 modify_result->dn = NULL;
792 if ((res != NULL) && (res->refs != NULL)) {
793 modify_result->resultcode = map_ldb_error(local_ctx,
796 modify_result->errormessage = (errstr?talloc_strdup(modify_reply, errstr):NULL);
797 modify_result->referral = talloc_strdup(call, *res->refs);
799 modify_result->resultcode = result;
800 modify_result->errormessage = (errstr?talloc_strdup(modify_reply, errstr):NULL);
801 modify_result->referral = NULL;
803 talloc_free(local_ctx);
805 ldapsrv_queue_reply(call, modify_reply);
810 static NTSTATUS ldapsrv_AddRequest(struct ldapsrv_call *call)
812 struct ldap_AddRequest *req = &call->request->r.AddRequest;
813 struct ldap_Result *add_result;
814 struct ldapsrv_reply *add_reply;
815 TALLOC_CTX *local_ctx;
816 struct ldb_context *samdb = call->conn->ldb;
817 struct ldb_message *msg = NULL;
819 const char *errstr = NULL;
820 int result = LDAP_SUCCESS;
823 struct ldb_result *res = NULL;
825 DEBUG(10, ("AddRequest"));
826 DEBUGADD(10, (" dn: %s\n", req->dn));
828 local_ctx = talloc_named(call, 0, "AddRequest local memory context");
829 NT_STATUS_HAVE_NO_MEMORY(local_ctx);
831 dn = ldb_dn_new(local_ctx, samdb, req->dn);
834 DEBUG(10, ("AddRequest: dn: [%s]\n", req->dn));
836 msg = talloc(local_ctx, struct ldb_message);
837 NT_STATUS_HAVE_NO_MEMORY(msg);
840 msg->num_elements = 0;
841 msg->elements = NULL;
843 if (req->num_attributes > 0) {
844 msg->num_elements = req->num_attributes;
845 msg->elements = talloc_array(msg, struct ldb_message_element, msg->num_elements);
846 NT_STATUS_HAVE_NO_MEMORY(msg->elements);
848 for (i=0; i < msg->num_elements; i++) {
849 msg->elements[i].name = discard_const_p(char, req->attributes[i].name);
850 msg->elements[i].flags = 0;
851 msg->elements[i].num_values = 0;
852 msg->elements[i].values = NULL;
854 if (req->attributes[i].num_values > 0) {
855 msg->elements[i].num_values = req->attributes[i].num_values;
856 msg->elements[i].values = talloc_array(msg->elements, struct ldb_val,
857 msg->elements[i].num_values);
858 NT_STATUS_HAVE_NO_MEMORY(msg->elements[i].values);
860 for (j=0; j < msg->elements[i].num_values; j++) {
861 msg->elements[i].values[j].length = req->attributes[i].values[j].length;
862 msg->elements[i].values[j].data = req->attributes[i].values[j].data;
869 add_reply = ldapsrv_init_reply(call, LDAP_TAG_AddResponse);
870 NT_STATUS_HAVE_NO_MEMORY(add_reply);
872 if (result == LDAP_SUCCESS) {
873 res = talloc_zero(local_ctx, struct ldb_result);
874 NT_STATUS_HAVE_NO_MEMORY(res);
875 ldb_ret = ldb_add_with_controls(samdb, msg, call->request->controls, res);
876 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
880 add_result = &add_reply->msg->r.AddResponse;
881 add_result->dn = NULL;
882 if ((res != NULL) && (res->refs != NULL)) {
883 add_result->resultcode = map_ldb_error(local_ctx,
884 LDB_ERR_REFERRAL, NULL,
886 add_result->errormessage = (errstr?talloc_strdup(add_reply,errstr):NULL);
887 add_result->referral = talloc_strdup(call, *res->refs);
889 add_result->resultcode = result;
890 add_result->errormessage = (errstr?talloc_strdup(add_reply,errstr):NULL);
891 add_result->referral = NULL;
893 talloc_free(local_ctx);
895 ldapsrv_queue_reply(call, add_reply);
900 static NTSTATUS ldapsrv_DelRequest(struct ldapsrv_call *call)
902 struct ldap_DelRequest *req = &call->request->r.DelRequest;
903 struct ldap_Result *del_result;
904 struct ldapsrv_reply *del_reply;
905 TALLOC_CTX *local_ctx;
906 struct ldb_context *samdb = call->conn->ldb;
908 const char *errstr = NULL;
909 int result = LDAP_SUCCESS;
911 struct ldb_result *res = NULL;
913 DEBUG(10, ("DelRequest"));
914 DEBUGADD(10, (" dn: %s\n", req->dn));
916 local_ctx = talloc_named(call, 0, "DelRequest local memory context");
917 NT_STATUS_HAVE_NO_MEMORY(local_ctx);
919 dn = ldb_dn_new(local_ctx, samdb, req->dn);
922 DEBUG(10, ("DelRequest: dn: [%s]\n", req->dn));
925 del_reply = ldapsrv_init_reply(call, LDAP_TAG_DelResponse);
926 NT_STATUS_HAVE_NO_MEMORY(del_reply);
928 if (result == LDAP_SUCCESS) {
929 res = talloc_zero(local_ctx, struct ldb_result);
930 NT_STATUS_HAVE_NO_MEMORY(res);
931 ldb_ret = ldb_del_req_with_controls(samdb, dn, call->request->controls, res);
932 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
936 del_result = &del_reply->msg->r.DelResponse;
937 del_result->dn = NULL;
938 if ((res != NULL) && (res->refs != NULL)) {
939 del_result->resultcode = map_ldb_error(local_ctx,
940 LDB_ERR_REFERRAL, NULL,
942 del_result->errormessage = (errstr?talloc_strdup(del_reply,errstr):NULL);
943 del_result->referral = talloc_strdup(call, *res->refs);
945 del_result->resultcode = result;
946 del_result->errormessage = (errstr?talloc_strdup(del_reply,errstr):NULL);
947 del_result->referral = NULL;
950 talloc_free(local_ctx);
952 ldapsrv_queue_reply(call, del_reply);
956 static NTSTATUS ldapsrv_ModifyDNRequest(struct ldapsrv_call *call)
958 struct ldap_ModifyDNRequest *req = &call->request->r.ModifyDNRequest;
959 struct ldap_Result *modifydn;
960 struct ldapsrv_reply *modifydn_r;
961 TALLOC_CTX *local_ctx;
962 struct ldb_context *samdb = call->conn->ldb;
963 struct ldb_dn *olddn, *newdn=NULL, *newrdn;
964 struct ldb_dn *parentdn = NULL;
965 const char *errstr = NULL;
966 int result = LDAP_SUCCESS;
968 struct ldb_result *res = NULL;
970 DEBUG(10, ("ModifyDNRequest"));
971 DEBUGADD(10, (" dn: %s", req->dn));
972 DEBUGADD(10, (" newrdn: %s\n", req->newrdn));
974 local_ctx = talloc_named(call, 0, "ModifyDNRequest local memory context");
975 NT_STATUS_HAVE_NO_MEMORY(local_ctx);
977 olddn = ldb_dn_new(local_ctx, samdb, req->dn);
978 VALID_DN_SYNTAX(olddn);
980 newrdn = ldb_dn_new(local_ctx, samdb, req->newrdn);
981 VALID_DN_SYNTAX(newrdn);
983 DEBUG(10, ("ModifyDNRequest: olddn: [%s]\n", req->dn));
984 DEBUG(10, ("ModifyDNRequest: newrdn: [%s]\n", req->newrdn));
986 if (ldb_dn_get_comp_num(newrdn) == 0) {
987 result = LDAP_PROTOCOL_ERROR;
988 map_ldb_error(local_ctx, LDB_ERR_PROTOCOL_ERROR, NULL,
993 if (ldb_dn_get_comp_num(newrdn) > 1) {
994 result = LDAP_NAMING_VIOLATION;
995 map_ldb_error(local_ctx, LDB_ERR_NAMING_VIOLATION, NULL,
1000 /* we can't handle the rename if we should not remove the old dn */
1001 if (!req->deleteolddn) {
1002 result = LDAP_UNWILLING_TO_PERFORM;
1003 map_ldb_error(local_ctx, LDB_ERR_UNWILLING_TO_PERFORM, NULL,
1005 errstr = talloc_asprintf(local_ctx,
1006 "%s. Old RDN must be deleted", errstr);
1010 if (req->newsuperior) {
1011 parentdn = ldb_dn_new(local_ctx, samdb, req->newsuperior);
1012 VALID_DN_SYNTAX(parentdn);
1013 DEBUG(10, ("ModifyDNRequest: newsuperior: [%s]\n", req->newsuperior));
1017 parentdn = ldb_dn_get_parent(local_ctx, olddn);
1020 result = LDAP_NO_SUCH_OBJECT;
1021 map_ldb_error(local_ctx, LDB_ERR_NO_SUCH_OBJECT, NULL, &errstr);
1025 if ( ! ldb_dn_add_child(parentdn, newrdn)) {
1026 result = LDAP_OTHER;
1027 map_ldb_error(local_ctx, LDB_ERR_OTHER, NULL, &errstr);
1033 modifydn_r = ldapsrv_init_reply(call, LDAP_TAG_ModifyDNResponse);
1034 NT_STATUS_HAVE_NO_MEMORY(modifydn_r);
1036 if (result == LDAP_SUCCESS) {
1037 res = talloc_zero(local_ctx, struct ldb_result);
1038 NT_STATUS_HAVE_NO_MEMORY(res);
1039 ldb_ret = ldb_rename_with_controls(samdb, olddn, newdn, call->request->controls, res);
1040 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
1044 modifydn = &modifydn_r->msg->r.ModifyDNResponse;
1045 modifydn->dn = NULL;
1046 if ((res != NULL) && (res->refs != NULL)) {
1047 modifydn->resultcode = map_ldb_error(local_ctx,
1048 LDB_ERR_REFERRAL, NULL,
1050 modifydn->errormessage = (errstr?talloc_strdup(modifydn_r,errstr):NULL);
1051 modifydn->referral = talloc_strdup(call, *res->refs);
1053 modifydn->resultcode = result;
1054 modifydn->errormessage = (errstr?talloc_strdup(modifydn_r,errstr):NULL);
1055 modifydn->referral = NULL;
1058 talloc_free(local_ctx);
1060 ldapsrv_queue_reply(call, modifydn_r);
1061 return NT_STATUS_OK;
1064 static NTSTATUS ldapsrv_CompareRequest(struct ldapsrv_call *call)
1066 struct ldap_CompareRequest *req = &call->request->r.CompareRequest;
1067 struct ldap_Result *compare;
1068 struct ldapsrv_reply *compare_r;
1069 TALLOC_CTX *local_ctx;
1070 struct ldb_context *samdb = call->conn->ldb;
1071 struct ldb_result *res = NULL;
1073 const char *attrs[1];
1074 const char *errstr = NULL;
1075 const char *filter = NULL;
1076 int result = LDAP_SUCCESS;
1079 DEBUG(10, ("CompareRequest"));
1080 DEBUGADD(10, (" dn: %s\n", req->dn));
1082 local_ctx = talloc_named(call, 0, "CompareRequest local_memory_context");
1083 NT_STATUS_HAVE_NO_MEMORY(local_ctx);
1085 dn = ldb_dn_new(local_ctx, samdb, req->dn);
1086 VALID_DN_SYNTAX(dn);
1088 DEBUG(10, ("CompareRequest: dn: [%s]\n", req->dn));
1089 filter = talloc_asprintf(local_ctx, "(%s=%*s)", req->attribute,
1090 (int)req->value.length, req->value.data);
1091 NT_STATUS_HAVE_NO_MEMORY(filter);
1093 DEBUGADD(10, ("CompareRequest: attribute: [%s]\n", filter));
1098 compare_r = ldapsrv_init_reply(call, LDAP_TAG_CompareResponse);
1099 NT_STATUS_HAVE_NO_MEMORY(compare_r);
1101 if (result == LDAP_SUCCESS) {
1102 ldb_ret = ldb_search(samdb, local_ctx, &res,
1103 dn, LDB_SCOPE_BASE, attrs, "%s", filter);
1104 if (ldb_ret != LDB_SUCCESS) {
1105 result = map_ldb_error(local_ctx, ldb_ret,
1106 ldb_errstring(samdb), &errstr);
1107 DEBUG(10,("CompareRequest: error: %s\n", errstr));
1108 } else if (res->count == 0) {
1109 DEBUG(10,("CompareRequest: doesn't matched\n"));
1110 result = LDAP_COMPARE_FALSE;
1112 } else if (res->count == 1) {
1113 DEBUG(10,("CompareRequest: matched\n"));
1114 result = LDAP_COMPARE_TRUE;
1116 } else if (res->count > 1) {
1117 result = LDAP_OTHER;
1118 map_ldb_error(local_ctx, LDB_ERR_OTHER, NULL, &errstr);
1119 errstr = talloc_asprintf(local_ctx,
1120 "%s. Too many objects match!", errstr);
1121 DEBUG(10,("CompareRequest: %d results: %s\n", res->count, errstr));
1125 compare = &compare_r->msg->r.CompareResponse;
1127 compare->resultcode = result;
1128 compare->errormessage = (errstr?talloc_strdup(compare_r,errstr):NULL);
1129 compare->referral = NULL;
1131 talloc_free(local_ctx);
1133 ldapsrv_queue_reply(call, compare_r);
1134 return NT_STATUS_OK;
1137 static NTSTATUS ldapsrv_AbandonRequest(struct ldapsrv_call *call)
1139 /* struct ldap_AbandonRequest *req = &call->request.r.AbandonRequest;*/
1140 DEBUG(10, ("AbandonRequest\n"));
1141 return NT_STATUS_OK;
1144 NTSTATUS ldapsrv_do_call(struct ldapsrv_call *call)
1147 struct ldap_message *msg = call->request;
1148 /* Check for undecoded critical extensions */
1149 for (i=0; msg->controls && msg->controls[i]; i++) {
1150 if (!msg->controls_decoded[i] &&
1151 msg->controls[i]->critical) {
1152 DEBUG(3, ("ldapsrv_do_call: Critical extension %s is not known to this server\n",
1153 msg->controls[i]->oid));
1154 return ldapsrv_unwilling(call, LDAP_UNAVAILABLE_CRITICAL_EXTENSION);
1158 switch(call->request->type) {
1159 case LDAP_TAG_BindRequest:
1160 return ldapsrv_BindRequest(call);
1161 case LDAP_TAG_UnbindRequest:
1162 return ldapsrv_UnbindRequest(call);
1163 case LDAP_TAG_SearchRequest:
1164 return ldapsrv_SearchRequest(call);
1165 case LDAP_TAG_ModifyRequest:
1166 return ldapsrv_ModifyRequest(call);
1167 case LDAP_TAG_AddRequest:
1168 return ldapsrv_AddRequest(call);
1169 case LDAP_TAG_DelRequest:
1170 return ldapsrv_DelRequest(call);
1171 case LDAP_TAG_ModifyDNRequest:
1172 return ldapsrv_ModifyDNRequest(call);
1173 case LDAP_TAG_CompareRequest:
1174 return ldapsrv_CompareRequest(call);
1175 case LDAP_TAG_AbandonRequest:
1176 return ldapsrv_AbandonRequest(call);
1177 case LDAP_TAG_ExtendedRequest:
1178 return ldapsrv_ExtendedRequest(call);
1180 return ldapsrv_unwilling(call, LDAP_PROTOCOL_ERROR);