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"
32 #define VALID_DN_SYNTAX(dn) do {\
34 return NT_STATUS_NO_MEMORY;\
35 } else if ( ! ldb_dn_validate(dn)) {\
36 result = LDAP_INVALID_DN_SYNTAX;\
37 map_ldb_error(local_ctx, LDB_ERR_INVALID_DN_SYNTAX, NULL,\
43 static int map_ldb_error(TALLOC_CTX *mem_ctx, int ldb_err,
44 const char *add_err_string, const char **errstring)
48 /* Certain LDB modules need to return very special WERROR codes. Proof
49 * for them here and if they exist skip the rest of the mapping. */
50 if (add_err_string != NULL) {
52 strtol(add_err_string, &endptr, 16);
53 if (endptr != add_err_string) {
54 *errstring = add_err_string;
59 /* Otherwise we calculate here a generic, but appropriate WERROR. */
65 case LDB_ERR_OPERATIONS_ERROR:
66 err = WERR_DS_OPERATIONS_ERROR;
68 case LDB_ERR_PROTOCOL_ERROR:
69 err = WERR_DS_PROTOCOL_ERROR;
71 case LDB_ERR_TIME_LIMIT_EXCEEDED:
72 err = WERR_DS_TIMELIMIT_EXCEEDED;
74 case LDB_ERR_SIZE_LIMIT_EXCEEDED:
75 err = WERR_DS_SIZELIMIT_EXCEEDED;
77 case LDB_ERR_COMPARE_FALSE:
78 err = WERR_DS_COMPARE_FALSE;
80 case LDB_ERR_COMPARE_TRUE:
81 err = WERR_DS_COMPARE_TRUE;
83 case LDB_ERR_AUTH_METHOD_NOT_SUPPORTED:
84 err = WERR_DS_AUTH_METHOD_NOT_SUPPORTED;
86 case LDB_ERR_STRONG_AUTH_REQUIRED:
87 err = WERR_DS_STRONG_AUTH_REQUIRED;
89 case LDB_ERR_REFERRAL:
90 err = WERR_DS_REFERRAL;
92 case LDB_ERR_ADMIN_LIMIT_EXCEEDED:
93 err = WERR_DS_ADMIN_LIMIT_EXCEEDED;
95 case LDB_ERR_UNSUPPORTED_CRITICAL_EXTENSION:
96 err = WERR_DS_UNAVAILABLE_CRIT_EXTENSION;
98 case LDB_ERR_CONFIDENTIALITY_REQUIRED:
99 err = WERR_DS_CONFIDENTIALITY_REQUIRED;
101 case LDB_ERR_SASL_BIND_IN_PROGRESS:
104 case LDB_ERR_NO_SUCH_ATTRIBUTE:
105 err = WERR_DS_NO_ATTRIBUTE_OR_VALUE;
107 case LDB_ERR_UNDEFINED_ATTRIBUTE_TYPE:
108 err = WERR_DS_ATTRIBUTE_TYPE_UNDEFINED;
110 case LDB_ERR_INAPPROPRIATE_MATCHING:
111 err = WERR_DS_INAPPROPRIATE_MATCHING;
113 case LDB_ERR_CONSTRAINT_VIOLATION:
114 err = WERR_DS_CONSTRAINT_VIOLATION;
116 case LDB_ERR_ATTRIBUTE_OR_VALUE_EXISTS:
117 err = WERR_DS_ATTRIBUTE_OR_VALUE_EXISTS;
119 case LDB_ERR_INVALID_ATTRIBUTE_SYNTAX:
120 err = WERR_DS_INVALID_ATTRIBUTE_SYNTAX;
122 case LDB_ERR_NO_SUCH_OBJECT:
123 err = WERR_DS_NO_SUCH_OBJECT;
125 case LDB_ERR_ALIAS_PROBLEM:
126 err = WERR_DS_ALIAS_PROBLEM;
128 case LDB_ERR_INVALID_DN_SYNTAX:
129 err = WERR_DS_INVALID_DN_SYNTAX;
131 case LDB_ERR_ALIAS_DEREFERENCING_PROBLEM:
132 err = WERR_DS_ALIAS_DEREF_PROBLEM;
134 case LDB_ERR_INAPPROPRIATE_AUTHENTICATION:
135 err = WERR_DS_INAPPROPRIATE_AUTH;
137 case LDB_ERR_INVALID_CREDENTIALS:
138 err = WERR_ACCESS_DENIED;
140 case LDB_ERR_INSUFFICIENT_ACCESS_RIGHTS:
141 err = WERR_DS_INSUFF_ACCESS_RIGHTS;
146 case LDB_ERR_UNAVAILABLE:
147 err = WERR_DS_UNAVAILABLE;
149 case LDB_ERR_UNWILLING_TO_PERFORM:
150 err = WERR_DS_UNWILLING_TO_PERFORM;
152 case LDB_ERR_LOOP_DETECT:
153 err = WERR_DS_LOOP_DETECT;
155 case LDB_ERR_NAMING_VIOLATION:
156 err = WERR_DS_NAMING_VIOLATION;
158 case LDB_ERR_OBJECT_CLASS_VIOLATION:
159 err = WERR_DS_OBJ_CLASS_VIOLATION;
161 case LDB_ERR_NOT_ALLOWED_ON_NON_LEAF:
162 err = WERR_DS_CANT_ON_NON_LEAF;
164 case LDB_ERR_NOT_ALLOWED_ON_RDN:
165 err = WERR_DS_CANT_ON_RDN;
167 case LDB_ERR_ENTRY_ALREADY_EXISTS:
168 err = WERR_DS_OBJ_STRING_NAME_EXISTS;
170 case LDB_ERR_OBJECT_CLASS_MODS_PROHIBITED:
171 err = WERR_DS_CANT_MOD_OBJ_CLASS;
173 case LDB_ERR_AFFECTS_MULTIPLE_DSAS:
174 err = WERR_DS_AFFECTS_MULTIPLE_DSAS;
177 err = WERR_DS_GENERIC_ERROR;
181 *errstring = talloc_asprintf(mem_ctx, "%08x: %s", W_ERROR_V(err),
182 ldb_strerror(ldb_err));
183 if (add_err_string != NULL) {
184 *errstring = talloc_asprintf(mem_ctx, "%s - %s", *errstring,
188 /* result is 1:1 for now */
193 connect to the sam database
195 NTSTATUS ldapsrv_backend_Init(struct ldapsrv_connection *conn)
197 conn->ldb = ldb_wrap_connect(conn,
198 conn->connection->event.ctx,
200 lpcfg_sam_url(conn->lp_ctx),
202 samdb_credentials(conn->connection->event.ctx, conn->lp_ctx),
203 conn->global_catalog ? LDB_FLG_RDONLY : 0);
204 if (conn->ldb == NULL) {
205 return NT_STATUS_INTERNAL_DB_CORRUPTION;
208 if (conn->server_credentials) {
209 char **sasl_mechs = NULL;
210 struct gensec_security_ops **backends = gensec_security_all();
211 struct gensec_security_ops **ops
212 = gensec_use_kerberos_mechs(conn, backends, conn->server_credentials);
213 unsigned int i, j = 0;
214 for (i = 0; ops && ops[i]; i++) {
215 if (!lpcfg_parm_bool(conn->lp_ctx, NULL, "gensec", ops[i]->name, ops[i]->enabled))
218 if (ops[i]->sasl_name && ops[i]->server_start) {
219 char *sasl_name = talloc_strdup(conn, ops[i]->sasl_name);
222 return NT_STATUS_NO_MEMORY;
224 sasl_mechs = talloc_realloc(conn, sasl_mechs, char *, j + 2);
226 return NT_STATUS_NO_MEMORY;
228 sasl_mechs[j] = sasl_name;
229 talloc_steal(sasl_mechs, sasl_name);
230 sasl_mechs[j+1] = NULL;
234 talloc_unlink(conn, ops);
236 /* ldb can have a different lifetime to conn, so we
237 need to ensure that sasl_mechs lives as long as the
239 talloc_steal(conn->ldb, sasl_mechs);
241 ldb_set_opaque(conn->ldb, "supportedSASLMechanisms", sasl_mechs);
247 struct ldapsrv_reply *ldapsrv_init_reply(struct ldapsrv_call *call, uint8_t type)
249 struct ldapsrv_reply *reply;
251 reply = talloc(call, struct ldapsrv_reply);
255 reply->msg = talloc(reply, struct ldap_message);
256 if (reply->msg == NULL) {
261 reply->msg->messageid = call->request->messageid;
262 reply->msg->type = type;
263 reply->msg->controls = NULL;
268 void ldapsrv_queue_reply(struct ldapsrv_call *call, struct ldapsrv_reply *reply)
270 DLIST_ADD_END(call->replies, reply, struct ldapsrv_reply *);
273 static NTSTATUS ldapsrv_unwilling(struct ldapsrv_call *call, int error)
275 struct ldapsrv_reply *reply;
276 struct ldap_ExtendedResponse *r;
278 DEBUG(10,("Unwilling type[%d] id[%d]\n", call->request->type, call->request->messageid));
280 reply = ldapsrv_init_reply(call, LDAP_TAG_ExtendedResponse);
282 return NT_STATUS_NO_MEMORY;
285 r = &reply->msg->r.ExtendedResponse;
286 r->response.resultcode = error;
287 r->response.dn = NULL;
288 r->response.errormessage = NULL;
289 r->response.referral = NULL;
293 ldapsrv_queue_reply(call, reply);
297 static int ldb_add_with_context(struct ldb_context *ldb,
298 const struct ldb_message *message,
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 ret = ldb_request(ldb, req);
324 if (ret == LDB_SUCCESS) {
325 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
328 if (ret == LDB_SUCCESS) {
329 ret = ldb_transaction_commit(ldb);
332 ldb_transaction_cancel(ldb);
339 /* create and execute a modify request */
340 static int ldb_mod_req_with_controls(struct ldb_context *ldb,
341 const struct ldb_message *message,
342 struct ldb_control **controls,
345 struct ldb_request *req;
348 ret = ldb_msg_sanity_check(ldb, message);
349 if (ret != LDB_SUCCESS) {
353 ret = ldb_build_mod_req(&req, ldb, ldb,
357 ldb_modify_default_callback,
360 if (ret != LDB_SUCCESS) {
364 ret = ldb_transaction_start(ldb);
365 if (ret != LDB_SUCCESS) {
369 ret = ldb_request(ldb, req);
370 if (ret == LDB_SUCCESS) {
371 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
374 if (ret == LDB_SUCCESS) {
375 ret = ldb_transaction_commit(ldb);
378 ldb_transaction_cancel(ldb);
385 /* create and execute a delete request */
386 static int ldb_del_req_with_controls(struct ldb_context *ldb,
388 struct ldb_control **controls,
391 struct ldb_request *req;
394 ret = ldb_build_del_req(&req, ldb, ldb,
398 ldb_modify_default_callback,
401 if (ret != LDB_SUCCESS) return ret;
403 ret = ldb_transaction_start(ldb);
404 if (ret != LDB_SUCCESS) {
408 ret = ldb_request(ldb, req);
409 if (ret == LDB_SUCCESS) {
410 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
413 if (ret == LDB_SUCCESS) {
414 ret = ldb_transaction_commit(ldb);
417 ldb_transaction_cancel(ldb);
424 int ldb_rename_with_context(struct ldb_context *ldb,
425 struct ldb_dn *olddn,
426 struct ldb_dn *newdn,
429 struct ldb_request *req;
432 ret = ldb_build_rename_req(&req, ldb, ldb,
437 ldb_modify_default_callback,
440 if (ret != LDB_SUCCESS) return ret;
442 ret = ldb_transaction_start(ldb);
443 if (ret != LDB_SUCCESS) {
447 ret = ldb_request(ldb, req);
448 if (ret == LDB_SUCCESS) {
449 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
452 if (ret == LDB_SUCCESS) {
453 ret = ldb_transaction_commit(ldb);
456 ldb_transaction_cancel(ldb);
463 static NTSTATUS ldapsrv_SearchRequest(struct ldapsrv_call *call)
465 struct ldap_SearchRequest *req = &call->request->r.SearchRequest;
466 struct ldap_SearchResEntry *ent;
467 struct ldap_Result *done;
468 struct ldapsrv_reply *ent_r, *done_r;
469 TALLOC_CTX *local_ctx;
470 struct ldb_context *samdb = talloc_get_type(call->conn->ldb, struct ldb_context);
471 struct ldb_dn *basedn;
472 struct ldb_result *res = NULL;
473 struct ldb_request *lreq;
474 struct ldb_control *search_control;
475 struct ldb_search_options_control *search_options;
476 struct ldb_control *extended_dn_control;
477 struct ldb_extended_dn_control *extended_dn_decoded = NULL;
478 enum ldb_scope scope = LDB_SCOPE_DEFAULT;
479 const char **attrs = NULL;
480 const char *scope_str, *errstr = NULL;
481 int success_limit = 1;
485 int extended_type = 1;
487 DEBUG(10, ("SearchRequest"));
488 DEBUGADD(10, (" basedn: %s", req->basedn));
489 DEBUGADD(10, (" filter: %s\n", ldb_filter_from_tree(call, req->tree)));
491 local_ctx = talloc_new(call);
492 NT_STATUS_HAVE_NO_MEMORY(local_ctx);
494 basedn = ldb_dn_new(local_ctx, samdb, req->basedn);
495 VALID_DN_SYNTAX(basedn);
497 DEBUG(10, ("SearchRequest: basedn: [%s]\n", req->basedn));
498 DEBUG(10, ("SearchRequest: filter: [%s]\n", ldb_filter_from_tree(call, req->tree)));
500 switch (req->scope) {
501 case LDAP_SEARCH_SCOPE_BASE:
503 scope = LDB_SCOPE_BASE;
506 case LDAP_SEARCH_SCOPE_SINGLE:
508 scope = LDB_SCOPE_ONELEVEL;
511 case LDAP_SEARCH_SCOPE_SUB:
513 scope = LDB_SCOPE_SUBTREE;
517 result = LDAP_PROTOCOL_ERROR;
518 map_ldb_error(local_ctx, LDB_ERR_PROTOCOL_ERROR, NULL,
520 errstr = talloc_asprintf(local_ctx,
521 "%s. Invalid scope", errstr);
524 DEBUG(10,("SearchRequest: scope: [%s]\n", scope_str));
526 if (req->num_attributes >= 1) {
527 attrs = talloc_array(local_ctx, const char *, req->num_attributes+1);
528 NT_STATUS_HAVE_NO_MEMORY(attrs);
530 for (i=0; i < req->num_attributes; i++) {
531 DEBUG(10,("SearchRequest: attrs: [%s]\n",req->attributes[i]));
532 attrs[i] = req->attributes[i];
537 DEBUG(5,("ldb_request %s dn=%s filter=%s\n",
538 scope_str, req->basedn, ldb_filter_from_tree(call, req->tree)));
540 res = talloc_zero(local_ctx, struct ldb_result);
541 NT_STATUS_HAVE_NO_MEMORY(res);
543 ldb_ret = ldb_build_search_req_ex(&lreq, samdb, local_ctx,
546 call->request->controls,
547 res, ldb_search_default_callback,
550 if (ldb_ret != LDB_SUCCESS) {
554 if (call->conn->global_catalog) {
555 search_control = ldb_request_get_control(lreq, LDB_CONTROL_SEARCH_OPTIONS_OID);
557 search_options = NULL;
558 if (search_control) {
559 search_options = talloc_get_type(search_control->data, struct ldb_search_options_control);
560 search_options->search_options |= LDB_SEARCH_OPTION_PHANTOM_ROOT;
562 search_options = talloc(lreq, struct ldb_search_options_control);
563 NT_STATUS_HAVE_NO_MEMORY(search_options);
564 search_options->search_options = LDB_SEARCH_OPTION_PHANTOM_ROOT;
565 ldb_request_add_control(lreq, LDB_CONTROL_SEARCH_OPTIONS_OID, false, search_options);
569 extended_dn_control = ldb_request_get_control(lreq, LDB_CONTROL_EXTENDED_DN_OID);
571 if (extended_dn_control) {
572 if (extended_dn_control->data) {
573 extended_dn_decoded = talloc_get_type(extended_dn_control->data, struct ldb_extended_dn_control);
574 extended_type = extended_dn_decoded->type;
580 ldb_set_timeout(samdb, lreq, req->timelimit);
582 ldb_ret = ldb_request(samdb, lreq);
584 if (ldb_ret != LDB_SUCCESS) {
588 ldb_ret = ldb_wait(lreq->handle, LDB_WAIT_ALL);
590 if (ldb_ret == LDB_SUCCESS) {
591 for (i = 0; i < res->count; i++) {
592 ent_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultEntry);
593 NT_STATUS_HAVE_NO_MEMORY(ent_r);
595 /* Better to have the whole message kept here,
596 * than to find someone further up didn't put
597 * a value in the right spot in the talloc tree */
598 talloc_steal(ent_r, res->msgs[i]);
600 ent = &ent_r->msg->r.SearchResultEntry;
601 ent->dn = ldb_dn_get_extended_linearized(ent_r, res->msgs[i]->dn, extended_type);
602 ent->num_attributes = 0;
603 ent->attributes = NULL;
604 if (res->msgs[i]->num_elements == 0) {
607 ent->num_attributes = res->msgs[i]->num_elements;
608 ent->attributes = talloc_array(ent_r, struct ldb_message_element, ent->num_attributes);
609 NT_STATUS_HAVE_NO_MEMORY(ent->attributes);
610 for (j=0; j < ent->num_attributes; j++) {
611 ent->attributes[j].name = res->msgs[i]->elements[j].name;
612 ent->attributes[j].num_values = 0;
613 ent->attributes[j].values = NULL;
614 if (req->attributesonly && (res->msgs[i]->elements[j].num_values == 0)) {
617 ent->attributes[j].num_values = res->msgs[i]->elements[j].num_values;
618 ent->attributes[j].values = res->msgs[i]->elements[j].values;
621 ldapsrv_queue_reply(call, ent_r);
624 /* Send back referrals if they do exist (search operations) */
625 if (res->refs != NULL) {
627 struct ldap_SearchResRef *ent_ref;
629 for (ref = res->refs; *ref != NULL; ++ref) {
630 ent_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultReference);
631 NT_STATUS_HAVE_NO_MEMORY(ent_r);
633 /* Better to have the whole referrals kept here,
634 * than to find someone further up didn't put
635 * a value in the right spot in the talloc tree
637 talloc_steal(ent_r, *ref);
639 ent_ref = &ent_r->msg->r.SearchResultReference;
640 ent_ref->referral = *ref;
642 ldapsrv_queue_reply(call, ent_r);
648 done_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultDone);
649 NT_STATUS_HAVE_NO_MEMORY(done_r);
651 done = &done_r->msg->r.SearchResultDone;
653 done->referral = NULL;
656 } else if (ldb_ret == LDB_SUCCESS) {
657 if (res->count >= success_limit) {
658 DEBUG(10,("SearchRequest: results: [%d]\n", res->count));
659 result = LDAP_SUCCESS;
663 done_r->msg->controls = res->controls;
664 talloc_steal(done_r, res->controls);
667 DEBUG(10,("SearchRequest: error\n"));
668 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
672 done->resultcode = result;
673 done->errormessage = (errstr?talloc_strdup(done_r, errstr):NULL);
675 talloc_free(local_ctx);
677 ldapsrv_queue_reply(call, done_r);
681 static NTSTATUS ldapsrv_ModifyRequest(struct ldapsrv_call *call)
683 struct ldap_ModifyRequest *req = &call->request->r.ModifyRequest;
684 struct ldap_Result *modify_result;
685 struct ldapsrv_reply *modify_reply;
686 TALLOC_CTX *local_ctx;
687 struct ldb_context *samdb = call->conn->ldb;
688 struct ldb_message *msg = NULL;
690 const char *errstr = NULL;
691 int result = LDAP_SUCCESS;
694 struct ldb_result *res = NULL;
696 DEBUG(10, ("ModifyRequest"));
697 DEBUGADD(10, (" dn: %s\n", req->dn));
699 local_ctx = talloc_named(call, 0, "ModifyRequest local memory context");
700 NT_STATUS_HAVE_NO_MEMORY(local_ctx);
702 dn = ldb_dn_new(local_ctx, samdb, req->dn);
705 DEBUG(10, ("ModifyRequest: dn: [%s]\n", req->dn));
707 msg = talloc(local_ctx, struct ldb_message);
708 NT_STATUS_HAVE_NO_MEMORY(msg);
711 msg->num_elements = 0;
712 msg->elements = NULL;
714 if (req->num_mods > 0) {
715 msg->num_elements = req->num_mods;
716 msg->elements = talloc_array(msg, struct ldb_message_element, req->num_mods);
717 NT_STATUS_HAVE_NO_MEMORY(msg->elements);
719 for (i=0; i < msg->num_elements; i++) {
720 msg->elements[i].name = discard_const_p(char, req->mods[i].attrib.name);
721 msg->elements[i].num_values = 0;
722 msg->elements[i].values = NULL;
724 switch (req->mods[i].type) {
726 result = LDAP_PROTOCOL_ERROR;
727 map_ldb_error(local_ctx,
728 LDB_ERR_PROTOCOL_ERROR, NULL, &errstr);
729 errstr = talloc_asprintf(local_ctx,
730 "%s. Invalid LDAP_MODIFY_* type", errstr);
732 case LDAP_MODIFY_ADD:
733 msg->elements[i].flags = LDB_FLAG_MOD_ADD;
735 case LDAP_MODIFY_DELETE:
736 msg->elements[i].flags = LDB_FLAG_MOD_DELETE;
738 case LDAP_MODIFY_REPLACE:
739 msg->elements[i].flags = LDB_FLAG_MOD_REPLACE;
743 msg->elements[i].num_values = req->mods[i].attrib.num_values;
744 if (msg->elements[i].num_values > 0) {
745 msg->elements[i].values = talloc_array(msg->elements, struct ldb_val,
746 msg->elements[i].num_values);
747 NT_STATUS_HAVE_NO_MEMORY(msg->elements[i].values);
749 for (j=0; j < msg->elements[i].num_values; j++) {
750 msg->elements[i].values[j].length = req->mods[i].attrib.values[j].length;
751 msg->elements[i].values[j].data = req->mods[i].attrib.values[j].data;
758 modify_reply = ldapsrv_init_reply(call, LDAP_TAG_ModifyResponse);
759 NT_STATUS_HAVE_NO_MEMORY(modify_reply);
761 if (result == LDAP_SUCCESS) {
762 res = talloc_zero(local_ctx, struct ldb_result);
763 NT_STATUS_HAVE_NO_MEMORY(res);
764 ldb_ret = ldb_mod_req_with_controls(samdb, msg, call->request->controls, res);
765 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
769 modify_result = &modify_reply->msg->r.ModifyResponse;
770 modify_result->dn = NULL;
771 if ((res != NULL) && (res->refs != NULL)) {
772 modify_result->resultcode = map_ldb_error(local_ctx,
775 modify_result->errormessage = (errstr?talloc_strdup(modify_reply, errstr):NULL);
776 modify_result->referral = talloc_strdup(call, *res->refs);
778 modify_result->resultcode = result;
779 modify_result->errormessage = (errstr?talloc_strdup(modify_reply, errstr):NULL);
780 modify_result->referral = NULL;
782 talloc_free(local_ctx);
784 ldapsrv_queue_reply(call, modify_reply);
789 static NTSTATUS ldapsrv_AddRequest(struct ldapsrv_call *call)
791 struct ldap_AddRequest *req = &call->request->r.AddRequest;
792 struct ldap_Result *add_result;
793 struct ldapsrv_reply *add_reply;
794 TALLOC_CTX *local_ctx;
795 struct ldb_context *samdb = call->conn->ldb;
796 struct ldb_message *msg = NULL;
798 const char *errstr = NULL;
799 int result = LDAP_SUCCESS;
802 struct ldb_result *res = NULL;
804 DEBUG(10, ("AddRequest"));
805 DEBUGADD(10, (" dn: %s\n", req->dn));
807 local_ctx = talloc_named(call, 0, "AddRequest local memory context");
808 NT_STATUS_HAVE_NO_MEMORY(local_ctx);
810 dn = ldb_dn_new(local_ctx, samdb, req->dn);
813 DEBUG(10, ("AddRequest: dn: [%s]\n", req->dn));
815 msg = talloc(local_ctx, struct ldb_message);
816 NT_STATUS_HAVE_NO_MEMORY(msg);
819 msg->num_elements = 0;
820 msg->elements = NULL;
822 if (req->num_attributes > 0) {
823 msg->num_elements = req->num_attributes;
824 msg->elements = talloc_array(msg, struct ldb_message_element, msg->num_elements);
825 NT_STATUS_HAVE_NO_MEMORY(msg->elements);
827 for (i=0; i < msg->num_elements; i++) {
828 msg->elements[i].name = discard_const_p(char, req->attributes[i].name);
829 msg->elements[i].flags = 0;
830 msg->elements[i].num_values = 0;
831 msg->elements[i].values = NULL;
833 if (req->attributes[i].num_values > 0) {
834 msg->elements[i].num_values = req->attributes[i].num_values;
835 msg->elements[i].values = talloc_array(msg->elements, struct ldb_val,
836 msg->elements[i].num_values);
837 NT_STATUS_HAVE_NO_MEMORY(msg->elements[i].values);
839 for (j=0; j < msg->elements[i].num_values; j++) {
840 msg->elements[i].values[j].length = req->attributes[i].values[j].length;
841 msg->elements[i].values[j].data = req->attributes[i].values[j].data;
848 add_reply = ldapsrv_init_reply(call, LDAP_TAG_AddResponse);
849 NT_STATUS_HAVE_NO_MEMORY(add_reply);
851 if (result == LDAP_SUCCESS) {
852 res = talloc_zero(local_ctx, struct ldb_result);
853 NT_STATUS_HAVE_NO_MEMORY(res);
854 ldb_ret = ldb_add_with_context(samdb, msg, res);
855 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
859 add_result = &add_reply->msg->r.AddResponse;
860 add_result->dn = NULL;
861 if ((res != NULL) && (res->refs != NULL)) {
862 add_result->resultcode = map_ldb_error(local_ctx,
863 LDB_ERR_REFERRAL, NULL,
865 add_result->errormessage = (errstr?talloc_strdup(add_reply,errstr):NULL);
866 add_result->referral = talloc_strdup(call, *res->refs);
868 add_result->resultcode = result;
869 add_result->errormessage = (errstr?talloc_strdup(add_reply,errstr):NULL);
870 add_result->referral = NULL;
872 talloc_free(local_ctx);
874 ldapsrv_queue_reply(call, add_reply);
879 static NTSTATUS ldapsrv_DelRequest(struct ldapsrv_call *call)
881 struct ldap_DelRequest *req = &call->request->r.DelRequest;
882 struct ldap_Result *del_result;
883 struct ldapsrv_reply *del_reply;
884 TALLOC_CTX *local_ctx;
885 struct ldb_context *samdb = call->conn->ldb;
887 const char *errstr = NULL;
888 int result = LDAP_SUCCESS;
890 struct ldb_result *res = NULL;
892 DEBUG(10, ("DelRequest"));
893 DEBUGADD(10, (" dn: %s\n", req->dn));
895 local_ctx = talloc_named(call, 0, "DelRequest local memory context");
896 NT_STATUS_HAVE_NO_MEMORY(local_ctx);
898 dn = ldb_dn_new(local_ctx, samdb, req->dn);
901 DEBUG(10, ("DelRequest: dn: [%s]\n", req->dn));
904 del_reply = ldapsrv_init_reply(call, LDAP_TAG_DelResponse);
905 NT_STATUS_HAVE_NO_MEMORY(del_reply);
907 if (result == LDAP_SUCCESS) {
908 res = talloc_zero(local_ctx, struct ldb_result);
909 NT_STATUS_HAVE_NO_MEMORY(res);
910 ldb_ret = ldb_del_req_with_controls(samdb, dn, call->request->controls, res);
911 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
915 del_result = &del_reply->msg->r.DelResponse;
916 del_result->dn = NULL;
917 if ((res != NULL) && (res->refs != NULL)) {
918 del_result->resultcode = map_ldb_error(local_ctx,
919 LDB_ERR_REFERRAL, NULL,
921 del_result->errormessage = (errstr?talloc_strdup(del_reply,errstr):NULL);
922 del_result->referral = talloc_strdup(call, *res->refs);
924 del_result->resultcode = result;
925 del_result->errormessage = (errstr?talloc_strdup(del_reply,errstr):NULL);
926 del_result->referral = NULL;
929 talloc_free(local_ctx);
931 ldapsrv_queue_reply(call, del_reply);
935 static NTSTATUS ldapsrv_ModifyDNRequest(struct ldapsrv_call *call)
937 struct ldap_ModifyDNRequest *req = &call->request->r.ModifyDNRequest;
938 struct ldap_Result *modifydn;
939 struct ldapsrv_reply *modifydn_r;
940 TALLOC_CTX *local_ctx;
941 struct ldb_context *samdb = call->conn->ldb;
942 struct ldb_dn *olddn, *newdn=NULL, *newrdn;
943 struct ldb_dn *parentdn = NULL;
944 const char *errstr = NULL;
945 int result = LDAP_SUCCESS;
947 struct ldb_result *res = NULL;
949 DEBUG(10, ("ModifyDNRequest"));
950 DEBUGADD(10, (" dn: %s", req->dn));
951 DEBUGADD(10, (" newrdn: %s\n", req->newrdn));
953 local_ctx = talloc_named(call, 0, "ModifyDNRequest local memory context");
954 NT_STATUS_HAVE_NO_MEMORY(local_ctx);
956 olddn = ldb_dn_new(local_ctx, samdb, req->dn);
957 VALID_DN_SYNTAX(olddn);
959 newrdn = ldb_dn_new(local_ctx, samdb, req->newrdn);
960 VALID_DN_SYNTAX(newrdn);
962 DEBUG(10, ("ModifyDNRequest: olddn: [%s]\n", req->dn));
963 DEBUG(10, ("ModifyDNRequest: newrdn: [%s]\n", req->newrdn));
965 if (ldb_dn_get_comp_num(newrdn) == 0) {
966 result = LDAP_PROTOCOL_ERROR;
967 map_ldb_error(local_ctx, LDB_ERR_PROTOCOL_ERROR, NULL,
972 if (ldb_dn_get_comp_num(newrdn) > 1) {
973 result = LDAP_NAMING_VIOLATION;
974 map_ldb_error(local_ctx, LDB_ERR_NAMING_VIOLATION, NULL,
979 /* we can't handle the rename if we should not remove the old dn */
980 if (!req->deleteolddn) {
981 result = LDAP_UNWILLING_TO_PERFORM;
982 map_ldb_error(local_ctx, LDB_ERR_UNWILLING_TO_PERFORM, NULL,
984 errstr = talloc_asprintf(local_ctx,
985 "%s. Old RDN must be deleted", errstr);
989 if (req->newsuperior) {
990 parentdn = ldb_dn_new(local_ctx, samdb, req->newsuperior);
991 VALID_DN_SYNTAX(parentdn);
992 DEBUG(10, ("ModifyDNRequest: newsuperior: [%s]\n", req->newsuperior));
996 parentdn = ldb_dn_get_parent(local_ctx, olddn);
999 result = LDAP_NO_SUCH_OBJECT;
1000 map_ldb_error(local_ctx, LDB_ERR_NO_SUCH_OBJECT, NULL, &errstr);
1004 if ( ! ldb_dn_add_child(parentdn, newrdn)) {
1005 result = LDAP_OTHER;
1006 map_ldb_error(local_ctx, LDB_ERR_OTHER, NULL, &errstr);
1012 modifydn_r = ldapsrv_init_reply(call, LDAP_TAG_ModifyDNResponse);
1013 NT_STATUS_HAVE_NO_MEMORY(modifydn_r);
1015 if (result == LDAP_SUCCESS) {
1016 res = talloc_zero(local_ctx, struct ldb_result);
1017 NT_STATUS_HAVE_NO_MEMORY(res);
1018 ldb_ret = ldb_rename_with_context(samdb, olddn, newdn, res);
1019 result = map_ldb_error(local_ctx, ldb_ret, ldb_errstring(samdb),
1023 modifydn = &modifydn_r->msg->r.ModifyDNResponse;
1024 modifydn->dn = NULL;
1025 if ((res != NULL) && (res->refs != NULL)) {
1026 modifydn->resultcode = map_ldb_error(local_ctx,
1027 LDB_ERR_REFERRAL, NULL,
1029 modifydn->errormessage = (errstr?talloc_strdup(modifydn_r,errstr):NULL);
1030 modifydn->referral = talloc_strdup(call, *res->refs);
1032 modifydn->resultcode = result;
1033 modifydn->errormessage = (errstr?talloc_strdup(modifydn_r,errstr):NULL);
1034 modifydn->referral = NULL;
1037 talloc_free(local_ctx);
1039 ldapsrv_queue_reply(call, modifydn_r);
1040 return NT_STATUS_OK;
1043 static NTSTATUS ldapsrv_CompareRequest(struct ldapsrv_call *call)
1045 struct ldap_CompareRequest *req = &call->request->r.CompareRequest;
1046 struct ldap_Result *compare;
1047 struct ldapsrv_reply *compare_r;
1048 TALLOC_CTX *local_ctx;
1049 struct ldb_context *samdb = call->conn->ldb;
1050 struct ldb_result *res = NULL;
1052 const char *attrs[1];
1053 const char *errstr = NULL;
1054 const char *filter = NULL;
1055 int result = LDAP_SUCCESS;
1058 DEBUG(10, ("CompareRequest"));
1059 DEBUGADD(10, (" dn: %s\n", req->dn));
1061 local_ctx = talloc_named(call, 0, "CompareRequest local_memory_context");
1062 NT_STATUS_HAVE_NO_MEMORY(local_ctx);
1064 dn = ldb_dn_new(local_ctx, samdb, req->dn);
1065 VALID_DN_SYNTAX(dn);
1067 DEBUG(10, ("CompareRequest: dn: [%s]\n", req->dn));
1068 filter = talloc_asprintf(local_ctx, "(%s=%*s)", req->attribute,
1069 (int)req->value.length, req->value.data);
1070 NT_STATUS_HAVE_NO_MEMORY(filter);
1072 DEBUGADD(10, ("CompareRequest: attribute: [%s]\n", filter));
1077 compare_r = ldapsrv_init_reply(call, LDAP_TAG_CompareResponse);
1078 NT_STATUS_HAVE_NO_MEMORY(compare_r);
1080 if (result == LDAP_SUCCESS) {
1081 ldb_ret = ldb_search(samdb, local_ctx, &res,
1082 dn, LDB_SCOPE_BASE, attrs, "%s", filter);
1083 if (ldb_ret != LDB_SUCCESS) {
1084 result = map_ldb_error(local_ctx, ldb_ret,
1085 ldb_errstring(samdb), &errstr);
1086 DEBUG(10,("CompareRequest: error: %s\n", errstr));
1087 } else if (res->count == 0) {
1088 DEBUG(10,("CompareRequest: doesn't matched\n"));
1089 result = LDAP_COMPARE_FALSE;
1091 } else if (res->count == 1) {
1092 DEBUG(10,("CompareRequest: matched\n"));
1093 result = LDAP_COMPARE_TRUE;
1095 } else if (res->count > 1) {
1096 result = LDAP_OTHER;
1097 map_ldb_error(local_ctx, LDB_ERR_OTHER, NULL, &errstr);
1098 errstr = talloc_asprintf(local_ctx,
1099 "%s. Too many objects match!", errstr);
1100 DEBUG(10,("CompareRequest: %d results: %s\n", res->count, errstr));
1104 compare = &compare_r->msg->r.CompareResponse;
1106 compare->resultcode = result;
1107 compare->errormessage = (errstr?talloc_strdup(compare_r,errstr):NULL);
1108 compare->referral = NULL;
1110 talloc_free(local_ctx);
1112 ldapsrv_queue_reply(call, compare_r);
1113 return NT_STATUS_OK;
1116 static NTSTATUS ldapsrv_AbandonRequest(struct ldapsrv_call *call)
1118 /* struct ldap_AbandonRequest *req = &call->request.r.AbandonRequest;*/
1119 DEBUG(10, ("AbandonRequest\n"));
1120 return NT_STATUS_OK;
1123 NTSTATUS ldapsrv_do_call(struct ldapsrv_call *call)
1126 struct ldap_message *msg = call->request;
1127 /* Check for undecoded critical extensions */
1128 for (i=0; msg->controls && msg->controls[i]; i++) {
1129 if (!msg->controls_decoded[i] &&
1130 msg->controls[i]->critical) {
1131 DEBUG(3, ("ldapsrv_do_call: Critical extension %s is not known to this server\n",
1132 msg->controls[i]->oid));
1133 return ldapsrv_unwilling(call, LDAP_UNAVAILABLE_CRITICAL_EXTENSION);
1137 switch(call->request->type) {
1138 case LDAP_TAG_BindRequest:
1139 return ldapsrv_BindRequest(call);
1140 case LDAP_TAG_UnbindRequest:
1141 return ldapsrv_UnbindRequest(call);
1142 case LDAP_TAG_SearchRequest:
1143 return ldapsrv_SearchRequest(call);
1144 case LDAP_TAG_ModifyRequest:
1145 return ldapsrv_ModifyRequest(call);
1146 case LDAP_TAG_AddRequest:
1147 return ldapsrv_AddRequest(call);
1148 case LDAP_TAG_DelRequest:
1149 return ldapsrv_DelRequest(call);
1150 case LDAP_TAG_ModifyDNRequest:
1151 return ldapsrv_ModifyDNRequest(call);
1152 case LDAP_TAG_CompareRequest:
1153 return ldapsrv_CompareRequest(call);
1154 case LDAP_TAG_AbandonRequest:
1155 return ldapsrv_AbandonRequest(call);
1156 case LDAP_TAG_ExtendedRequest:
1157 return ldapsrv_ExtendedRequest(call);
1159 return ldapsrv_unwilling(call, 2);