4 Copyright (C) Andrew Bartlett <abartlet@samba.org> 2005
5 Copyright (C) Simo Sorce 2004-2008
6 Copyright (C) Matthias Dieter Wallnöfer 2009-2010
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
25 * Component: ldb samldb module
27 * Description: various internal DSDB triggers - most for SAM specific objects
33 #include "libcli/ldap/ldap_ndr.h"
34 #include "ldb_module.h"
35 #include "dsdb/samdb/samdb.h"
36 #include "dsdb/samdb/ldb_modules/util.h"
37 #include "dsdb/samdb/ldb_modules/ridalloc.h"
38 #include "libcli/security/security.h"
39 #include "librpc/gen_ndr/ndr_security.h"
41 #include "param/param.h"
45 typedef int (*samldb_step_fn_t)(struct samldb_ctx *);
48 struct samldb_step *next;
53 struct ldb_module *module;
54 struct ldb_request *req;
56 /* used for add operations */
59 /* the resulting message */
60 struct ldb_message *msg;
62 /* used in "samldb_find_for_defaultObjectCategory" */
63 struct ldb_dn *dn, *res_dn;
65 /* all the async steps necessary to complete the operation */
66 struct samldb_step *steps;
67 struct samldb_step *curstep;
69 /* If someone set an ares to forward controls and response back to the caller */
70 struct ldb_reply *ares;
73 static struct samldb_ctx *samldb_ctx_init(struct ldb_module *module,
74 struct ldb_request *req)
76 struct ldb_context *ldb;
77 struct samldb_ctx *ac;
79 ldb = ldb_module_get_ctx(module);
81 ac = talloc_zero(req, struct samldb_ctx);
93 static int samldb_add_step(struct samldb_ctx *ac, samldb_step_fn_t fn)
95 struct samldb_step *step, *stepper;
97 step = talloc_zero(ac, struct samldb_step);
99 return ldb_oom(ldb_module_get_ctx(ac->module));
104 if (ac->steps == NULL) {
108 if (ac->curstep == NULL)
109 return ldb_operr(ldb_module_get_ctx(ac->module));
110 for (stepper = ac->curstep; stepper->next != NULL;
111 stepper = stepper->next);
112 stepper->next = step;
118 static int samldb_first_step(struct samldb_ctx *ac)
120 if (ac->steps == NULL) {
121 return ldb_operr(ldb_module_get_ctx(ac->module));
124 ac->curstep = ac->steps;
125 return ac->curstep->fn(ac);
128 static int samldb_next_step(struct samldb_ctx *ac)
130 if (ac->curstep->next) {
131 ac->curstep = ac->curstep->next;
132 return ac->curstep->fn(ac);
135 /* We exit the samldb module here. If someone set an "ares" to forward
136 * controls and response back to the caller, use them. */
138 return ldb_module_done(ac->req, ac->ares->controls,
139 ac->ares->response, LDB_SUCCESS);
141 return ldb_module_done(ac->req, NULL, NULL, LDB_SUCCESS);
146 /* sAMAccountName handling */
148 static int samldb_generate_sAMAccountName(struct ldb_context *ldb,
149 struct ldb_message *msg)
153 /* Format: $000000-000000000000 */
155 name = talloc_asprintf(msg, "$%.6X-%.6X%.6X",
156 (unsigned int)generate_random(),
157 (unsigned int)generate_random(),
158 (unsigned int)generate_random());
162 return ldb_msg_add_steal_string(msg, "sAMAccountName", name);
165 static int samldb_check_sAMAccountName(struct samldb_ctx *ac)
167 struct ldb_context *ldb = ldb_module_get_ctx(ac->module);
171 if (ldb_msg_find_element(ac->msg, "sAMAccountName") == NULL) {
172 ret = samldb_generate_sAMAccountName(ldb, ac->msg);
173 if (ret != LDB_SUCCESS) {
178 name = ldb_msg_find_attr_as_string(ac->msg, "sAMAccountName", NULL);
180 return ldb_operr(ldb);
183 ret = samdb_search_count(ldb, NULL, "(sAMAccountName=%s)",
184 ldb_binary_encode_string(ac, name));
185 if ((ret < 0) || (ret > 1)) {
186 return ldb_operr(ldb);
189 return LDB_ERR_ENTRY_ALREADY_EXISTS;
192 return samldb_next_step(ac);
196 static bool samldb_msg_add_sid(struct ldb_message *msg,
198 const struct dom_sid *sid)
201 enum ndr_err_code ndr_err;
203 ndr_err = ndr_push_struct_blob(&v, msg, sid,
204 (ndr_push_flags_fn_t)ndr_push_dom_sid);
205 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
208 return (ldb_msg_add_value(msg, name, &v, NULL) == 0);
212 /* allocate a SID using our RID Set */
213 static int samldb_allocate_sid(struct samldb_ctx *ac)
217 struct ldb_context *ldb = ldb_module_get_ctx(ac->module);
220 ret = ridalloc_allocate_rid(ac->module, &rid);
221 if (ret != LDB_SUCCESS) {
225 sid = dom_sid_add_rid(ac, samdb_domain_sid(ldb), rid);
227 return ldb_module_oom(ac->module);
230 if ( ! samldb_msg_add_sid(ac->msg, "objectSid", sid)) {
231 return ldb_operr(ldb);
234 return samldb_next_step(ac);
238 see if a krbtgt_number is available
240 static bool samldb_krbtgtnumber_available(struct samldb_ctx *ac,
241 uint32_t krbtgt_number)
243 TALLOC_CTX *tmp_ctx = talloc_new(ac);
244 struct ldb_result *res;
245 const char *no_attrs[] = { NULL };
248 ret = dsdb_module_search(ac->module, tmp_ctx, &res, NULL,
249 LDB_SCOPE_SUBTREE, no_attrs,
250 DSDB_FLAG_NEXT_MODULE,
251 "(msDC-SecondaryKrbTgtNumber=%u)",
253 if (ret == LDB_SUCCESS && res->count == 0) {
254 talloc_free(tmp_ctx);
257 talloc_free(tmp_ctx);
261 /* special handling for add in RODC join */
262 static int samldb_rodc_add(struct samldb_ctx *ac)
264 struct ldb_context *ldb = ldb_module_get_ctx(ac->module);
265 uint32_t krbtgt_number, i_start, i;
269 /* find a unused msDC-SecondaryKrbTgtNumber */
270 i_start = generate_random() & 0xFFFF;
275 for (i=i_start; i<=0xFFFF; i++) {
276 if (samldb_krbtgtnumber_available(ac, i)) {
281 for (i=1; i<i_start; i++) {
282 if (samldb_krbtgtnumber_available(ac, i)) {
288 ldb_asprintf_errstring(ldb,
289 "%08X: Unable to find available msDS-SecondaryKrbTgtNumber",
290 W_ERROR_V(WERR_NO_SYSTEM_RESOURCES));
291 return LDB_ERR_OTHER;
294 ret = ldb_msg_add_empty(ac->msg, "msDS-SecondaryKrbTgtNumber",
295 LDB_FLAG_INTERNAL_DISABLE_VALIDATION, NULL);
296 if (ret != LDB_SUCCESS) {
297 return ldb_operr(ldb);
300 ret = samdb_msg_add_uint(ldb, ac->msg, ac->msg,
301 "msDS-SecondaryKrbTgtNumber", krbtgt_number);
302 if (ret != LDB_SUCCESS) {
303 return ldb_operr(ldb);
306 ret = ldb_msg_add_fmt(ac->msg, "sAMAccountName", "krbtgt_%u",
308 if (ret != LDB_SUCCESS) {
309 return ldb_operr(ldb);
312 newpass = generate_random_password(ac->msg, 128, 255);
313 if (newpass == NULL) {
314 return ldb_operr(ldb);
317 ret = ldb_msg_add_steal_string(ac->msg, "clearTextPassword", newpass);
318 if (ret != LDB_SUCCESS) {
319 return ldb_operr(ldb);
322 return samldb_next_step(ac);
325 static int samldb_find_for_defaultObjectCategory(struct samldb_ctx *ac)
327 struct ldb_context *ldb = ldb_module_get_ctx(ac->module);
328 struct ldb_result *res;
329 const char *no_attrs[] = { NULL };
334 ret = dsdb_module_search(ac->module, ac, &res,
335 ac->dn, LDB_SCOPE_BASE, no_attrs,
336 DSDB_SEARCH_SHOW_DN_IN_STORAGE_FORMAT
337 | DSDB_FLAG_NEXT_MODULE,
338 "(objectClass=classSchema)");
339 if (ret == LDB_ERR_NO_SUCH_OBJECT) {
340 /* Don't be pricky when the DN doesn't exist if we have the */
341 /* RELAX control specified */
342 if (ldb_request_get_control(ac->req,
343 LDB_CONTROL_RELAX_OID) == NULL) {
344 ldb_set_errstring(ldb,
345 "samldb_find_defaultObjectCategory: "
346 "Invalid DN for 'defaultObjectCategory'!");
347 return LDB_ERR_CONSTRAINT_VIOLATION;
350 if ((ret != LDB_ERR_NO_SUCH_OBJECT) && (ret != LDB_SUCCESS)) {
356 return samldb_next_step(ac);
360 * msDS-IntId attributeSchema attribute handling
361 * during LDB_ADD request processing
363 static int samldb_add_handle_msDS_IntId(struct samldb_ctx *ac)
368 int32_t system_flags;
369 struct ldb_context *ldb;
370 struct ldb_result *ldb_res;
371 struct ldb_dn *schema_dn;
373 ldb = ldb_module_get_ctx(ac->module);
374 schema_dn = ldb_get_schema_basedn(ldb);
376 /* replicated update should always go through */
377 if (ldb_request_get_control(ac->req,
378 DSDB_CONTROL_REPLICATED_UPDATE_OID)) {
382 /* msDS-IntId is handled by system and should never be
383 * passed by clients */
384 if (ldb_msg_find_element(ac->msg, "msDS-IntId")) {
385 return LDB_ERR_UNWILLING_TO_PERFORM;
388 /* do not generate msDS-IntId if Relax control is passed */
389 if (ldb_request_get_control(ac->req, LDB_CONTROL_RELAX_OID)) {
393 /* check Functional Level */
394 if (dsdb_functional_level(ldb) < DS_DOMAIN_FUNCTION_2003) {
398 /* check systemFlags for SCHEMA_BASE_OBJECT flag */
399 system_flags = ldb_msg_find_attr_as_int(ac->msg, "systemFlags", 0);
400 if (system_flags & SYSTEM_FLAG_SCHEMA_BASE_OBJECT) {
404 /* Generate new value for msDs-IntId
405 * Value should be in 0x80000000..0xBFFFFFFF range */
406 msds_intid = generate_random() % 0X3FFFFFFF;
407 msds_intid += 0x80000000;
409 /* probe id values until unique one is found */
412 if (msds_intid > 0xBFFFFFFF) {
413 msds_intid = 0x80000001;
416 ret = dsdb_module_search(ac->module, ac,
418 schema_dn, LDB_SCOPE_ONELEVEL, NULL,
419 DSDB_FLAG_NEXT_MODULE,
420 "(msDS-IntId=%d)", msds_intid);
421 if (ret != LDB_SUCCESS) {
422 ldb_debug_set(ldb, LDB_DEBUG_ERROR,
423 __location__": Searching for msDS-IntId=%d failed - %s\n",
426 return ldb_operr(ldb);
428 id_exists = (ldb_res->count > 0);
430 talloc_free(ldb_res);
433 return samdb_msg_add_int(ldb, ac->msg, ac->msg, "msDS-IntId",
439 * samldb_add_entry (async)
442 static int samldb_add_entry_callback(struct ldb_request *req,
443 struct ldb_reply *ares)
445 struct ldb_context *ldb;
446 struct samldb_ctx *ac;
449 ac = talloc_get_type(req->context, struct samldb_ctx);
450 ldb = ldb_module_get_ctx(ac->module);
453 return ldb_module_done(ac->req, NULL, NULL,
454 LDB_ERR_OPERATIONS_ERROR);
457 if (ares->type == LDB_REPLY_REFERRAL) {
458 return ldb_module_send_referral(ac->req, ares->referral);
461 if (ares->error != LDB_SUCCESS) {
462 return ldb_module_done(ac->req, ares->controls,
463 ares->response, ares->error);
465 if (ares->type != LDB_REPLY_DONE) {
466 ldb_set_errstring(ldb,
467 "Invalid reply type!\n");
468 return ldb_module_done(ac->req, NULL, NULL,
469 LDB_ERR_OPERATIONS_ERROR);
472 /* The caller may wish to get controls back from the add */
473 ac->ares = talloc_steal(ac, ares);
475 ret = samldb_next_step(ac);
476 if (ret != LDB_SUCCESS) {
477 return ldb_module_done(ac->req, NULL, NULL, ret);
482 static int samldb_add_entry(struct samldb_ctx *ac)
484 struct ldb_context *ldb;
485 struct ldb_request *req;
488 ldb = ldb_module_get_ctx(ac->module);
490 ret = ldb_build_add_req(&req, ldb, ac,
493 ac, samldb_add_entry_callback,
495 LDB_REQ_SET_LOCATION(req);
496 if (ret != LDB_SUCCESS) {
500 return ldb_next_request(ac->module, req);
504 * return true if msg carries an attributeSchema that is intended to be RODC
505 * filtered but is also a system-critical attribute.
507 static bool check_rodc_critical_attribute(struct ldb_message *msg)
509 uint32_t schemaFlagsEx, searchFlags, rodc_filtered_flags;
511 schemaFlagsEx = ldb_msg_find_attr_as_uint(msg, "schemaFlagsEx", 0);
512 searchFlags = ldb_msg_find_attr_as_uint(msg, "searchFlags", 0);
513 rodc_filtered_flags = (SEARCH_FLAG_RODC_ATTRIBUTE
514 | SEARCH_FLAG_CONFIDENTIAL);
516 if ((schemaFlagsEx & SCHEMA_FLAG_ATTR_IS_CRITICAL) &&
517 ((searchFlags & rodc_filtered_flags) == rodc_filtered_flags)) {
525 static int samldb_fill_object(struct samldb_ctx *ac)
527 struct ldb_context *ldb = ldb_module_get_ctx(ac->module);
530 /* Add informations for the different account types */
531 if (strcmp(ac->type, "user") == 0) {
532 struct ldb_control *rodc_control = ldb_request_get_control(ac->req,
533 LDB_CONTROL_RODC_DCPROMO_OID);
534 if (rodc_control != NULL) {
535 /* see [MS-ADTS] 3.1.1.3.4.1.23 LDAP_SERVER_RODC_DCPROMO_OID */
536 rodc_control->critical = false;
537 ret = samldb_add_step(ac, samldb_rodc_add);
538 if (ret != LDB_SUCCESS) return ret;
541 /* check if we have a valid sAMAccountName */
542 ret = samldb_add_step(ac, samldb_check_sAMAccountName);
543 if (ret != LDB_SUCCESS) return ret;
545 ret = samldb_add_step(ac, samldb_add_entry);
546 if (ret != LDB_SUCCESS) return ret;
548 } else if (strcmp(ac->type, "group") == 0) {
549 /* check if we have a valid sAMAccountName */
550 ret = samldb_add_step(ac, samldb_check_sAMAccountName);
551 if (ret != LDB_SUCCESS) return ret;
553 ret = samldb_add_step(ac, samldb_add_entry);
554 if (ret != LDB_SUCCESS) return ret;
556 } else if (strcmp(ac->type, "classSchema") == 0) {
557 const struct ldb_val *rdn_value, *def_obj_cat_val;
559 ret = samdb_find_or_add_attribute(ldb, ac->msg,
561 if (ret != LDB_SUCCESS) return ret;
563 /* do not allow to mark an attributeSchema as RODC filtered if it
564 * is system-critical */
565 if (check_rodc_critical_attribute(ac->msg)) {
566 ldb_asprintf_errstring(ldb, "Refusing schema add of %s - cannot combine critical class with RODC filtering",
567 ldb_dn_get_linearized(ac->msg->dn));
568 return LDB_ERR_UNWILLING_TO_PERFORM;
571 rdn_value = ldb_dn_get_rdn_val(ac->msg->dn);
572 if (!ldb_msg_find_element(ac->msg, "lDAPDisplayName")) {
573 /* the RDN has prefix "CN" */
574 ret = ldb_msg_add_string(ac->msg, "lDAPDisplayName",
575 samdb_cn_to_lDAPDisplayName(ac->msg,
576 (const char *) rdn_value->data));
577 if (ret != LDB_SUCCESS) {
583 if (!ldb_msg_find_element(ac->msg, "schemaIDGUID")) {
586 guid = GUID_random();
587 ret = dsdb_msg_add_guid(ac->msg, &guid, "schemaIDGUID");
588 if (ret != LDB_SUCCESS) {
594 def_obj_cat_val = ldb_msg_find_ldb_val(ac->msg,
595 "defaultObjectCategory");
596 if (def_obj_cat_val != NULL) {
597 /* "defaultObjectCategory" has been set by the caller.
598 * Do some checks for consistency.
599 * NOTE: The real constraint check (that
600 * 'defaultObjectCategory' is the DN of the new
601 * objectclass or any parent of it) is still incomplete.
602 * For now we say that 'defaultObjectCategory' is valid
603 * if it exists and it is of objectclass "classSchema".
605 ac->dn = ldb_dn_from_ldb_val(ac, ldb, def_obj_cat_val);
606 if (ac->dn == NULL) {
607 ldb_set_errstring(ldb,
608 "Invalid DN for 'defaultObjectCategory'!");
609 return LDB_ERR_CONSTRAINT_VIOLATION;
612 /* "defaultObjectCategory" has not been set by the
613 * caller. Use the entry DN for it. */
614 ac->dn = ac->msg->dn;
616 ret = ldb_msg_add_string(ac->msg, "defaultObjectCategory",
617 ldb_dn_alloc_linearized(ac->msg, ac->dn));
618 if (ret != LDB_SUCCESS) {
624 ret = samldb_add_step(ac, samldb_add_entry);
625 if (ret != LDB_SUCCESS) return ret;
627 /* Now perform the checks for the 'defaultObjectCategory'. The
628 * lookup DN was already saved in "ac->dn" */
629 ret = samldb_add_step(ac, samldb_find_for_defaultObjectCategory);
630 if (ret != LDB_SUCCESS) return ret;
632 } else if (strcmp(ac->type, "attributeSchema") == 0) {
633 const struct ldb_val *rdn_value;
634 rdn_value = ldb_dn_get_rdn_val(ac->msg->dn);
635 if (!ldb_msg_find_element(ac->msg, "lDAPDisplayName")) {
636 /* the RDN has prefix "CN" */
637 ret = ldb_msg_add_string(ac->msg, "lDAPDisplayName",
638 samdb_cn_to_lDAPDisplayName(ac->msg,
639 (const char *) rdn_value->data));
640 if (ret != LDB_SUCCESS) {
646 /* do not allow to mark an attributeSchema as RODC filtered if it
647 * is system-critical */
648 if (check_rodc_critical_attribute(ac->msg)) {
649 ldb_asprintf_errstring(ldb, "Refusing schema add of %s - cannot combine critical attribute with RODC filtering",
650 ldb_dn_get_linearized(ac->msg->dn));
651 return LDB_ERR_UNWILLING_TO_PERFORM;
654 ret = samdb_find_or_add_attribute(ldb, ac->msg,
655 "isSingleValued", "FALSE");
656 if (ret != LDB_SUCCESS) return ret;
658 if (!ldb_msg_find_element(ac->msg, "schemaIDGUID")) {
661 guid = GUID_random();
662 ret = dsdb_msg_add_guid(ac->msg, &guid, "schemaIDGUID");
663 if (ret != LDB_SUCCESS) {
669 /* handle msDS-IntID attribute */
670 ret = samldb_add_handle_msDS_IntId(ac);
671 if (ret != LDB_SUCCESS) return ret;
673 ret = samldb_add_step(ac, samldb_add_entry);
674 if (ret != LDB_SUCCESS) return ret;
677 ldb_asprintf_errstring(ldb,
678 "Invalid entry type!");
679 return LDB_ERR_OPERATIONS_ERROR;
682 return samldb_first_step(ac);
685 static int samldb_fill_foreignSecurityPrincipal_object(struct samldb_ctx *ac)
687 struct ldb_context *ldb;
691 ldb = ldb_module_get_ctx(ac->module);
693 sid = samdb_result_dom_sid(ac->msg, ac->msg, "objectSid");
695 sid = dom_sid_parse_talloc(ac->msg,
696 (const char *)ldb_dn_get_rdn_val(ac->msg->dn)->data);
698 ldb_set_errstring(ldb,
699 "No valid SID found in "
700 "ForeignSecurityPrincipal CN!");
701 return LDB_ERR_CONSTRAINT_VIOLATION;
703 if (! samldb_msg_add_sid(ac->msg, "objectSid", sid)) {
704 return ldb_operr(ldb);
708 /* finally proceed with adding the entry */
709 ret = samldb_add_step(ac, samldb_add_entry);
710 if (ret != LDB_SUCCESS) return ret;
712 return samldb_first_step(ac);
715 static int samldb_schema_info_update(struct samldb_ctx *ac)
718 struct ldb_context *ldb;
719 struct dsdb_schema *schema;
721 /* replicated update should always go through */
722 if (ldb_request_get_control(ac->req,
723 DSDB_CONTROL_REPLICATED_UPDATE_OID)) {
727 /* do not update schemaInfo during provisioning */
728 if (ldb_request_get_control(ac->req, LDB_CONTROL_RELAX_OID)) {
732 ldb = ldb_module_get_ctx(ac->module);
733 schema = dsdb_get_schema(ldb, NULL);
735 ldb_debug_set(ldb, LDB_DEBUG_FATAL,
736 "samldb_schema_info_update: no dsdb_schema loaded");
737 DEBUG(0,(__location__ ": %s\n", ldb_errstring(ldb)));
738 return ldb_operr(ldb);
741 ret = dsdb_module_schema_info_update(ac->module, schema,
742 DSDB_FLAG_NEXT_MODULE);
743 if (ret != LDB_SUCCESS) {
744 ldb_asprintf_errstring(ldb, "samldb_schema_info_update: dsdb_module_schema_info_update failed with %s",
753 * "Objectclass" trigger (MS-SAMR 3.1.1.8.1)
755 * Has to be invoked on "add" and "modify" operations on "user", "computer" and
757 * ac->msg contains the "add"/"modify" message
758 * ac->type contains the object type (main objectclass)
760 static int samldb_objectclass_trigger(struct samldb_ctx *ac)
762 struct ldb_context *ldb = ldb_module_get_ctx(ac->module);
763 struct loadparm_context *lp_ctx = talloc_get_type(ldb_get_opaque(ldb,
764 "loadparm"), struct loadparm_context);
765 struct ldb_message_element *el, *el2;
766 enum sid_generator sid_generator;
771 /* make sure that "sAMAccountType" is not specified */
772 el = ldb_msg_find_element(ac->msg, "sAMAccountType");
774 ldb_set_errstring(ldb,
775 "samldb: sAMAccountType must not be specified!");
776 return LDB_ERR_UNWILLING_TO_PERFORM;
779 /* Step 1: objectSid assignment */
781 /* Don't allow the objectSid to be changed. But beside the RELAX
782 * control we have also to guarantee that it can always be set with
783 * SYSTEM permissions. This is needed for the "samba3sam" backend. */
784 sid = samdb_result_dom_sid(ac, ac->msg, "objectSid");
785 if ((sid != NULL) && (!dsdb_module_am_system(ac->module)) &&
786 (ldb_request_get_control(ac->req, LDB_CONTROL_RELAX_OID) == NULL)) {
787 ldb_asprintf_errstring(ldb, "No SID may be specified in user/group modifications for %s",
788 ldb_dn_get_linearized(ac->msg->dn));
789 return LDB_ERR_UNWILLING_TO_PERFORM;
792 /* but generate a new SID when we do have an add operations */
793 if ((sid == NULL) && (ac->req->operation == LDB_ADD)) {
794 sid_generator = lpcfg_sid_generator(lp_ctx);
795 if (sid_generator == SID_GENERATOR_INTERNAL) {
796 ret = samldb_add_step(ac, samldb_allocate_sid);
797 if (ret != LDB_SUCCESS) return ret;
801 if (strcmp(ac->type, "user") == 0) {
802 /* Step 1.2: Default values */
803 tempstr = talloc_asprintf(ac->msg, "%d", UF_NORMAL_ACCOUNT);
804 if (tempstr == NULL) return ldb_operr(ldb);
805 ret = samdb_find_or_add_attribute(ldb, ac->msg,
806 "userAccountControl", tempstr);
807 if (ret != LDB_SUCCESS) return ret;
808 ret = samdb_find_or_add_attribute(ldb, ac->msg,
810 if (ret != LDB_SUCCESS) return ret;
811 ret = samdb_find_or_add_attribute(ldb, ac->msg,
813 if (ret != LDB_SUCCESS) return ret;
814 ret = samdb_find_or_add_attribute(ldb, ac->msg,
816 if (ret != LDB_SUCCESS) return ret;
817 ret = samdb_find_or_add_attribute(ldb, ac->msg,
818 "badPasswordTime", "0");
819 if (ret != LDB_SUCCESS) return ret;
820 ret = samdb_find_or_add_attribute(ldb, ac->msg,
822 if (ret != LDB_SUCCESS) return ret;
823 ret = samdb_find_or_add_attribute(ldb, ac->msg,
825 if (ret != LDB_SUCCESS) return ret;
826 ret = samdb_find_or_add_attribute(ldb, ac->msg,
828 if (ret != LDB_SUCCESS) return ret;
829 ret = samdb_find_or_add_attribute(ldb, ac->msg,
830 "accountExpires", "9223372036854775807");
831 if (ret != LDB_SUCCESS) return ret;
832 ret = samdb_find_or_add_attribute(ldb, ac->msg,
834 if (ret != LDB_SUCCESS) return ret;
836 el = ldb_msg_find_element(ac->msg, "userAccountControl");
838 uint32_t user_account_control, account_type;
840 /* Step 1.3: "userAccountControl" -> "sAMAccountType" mapping */
841 user_account_control = ldb_msg_find_attr_as_uint(ac->msg,
842 "userAccountControl",
845 /* Temporary duplicate accounts aren't allowed */
846 if ((user_account_control & UF_TEMP_DUPLICATE_ACCOUNT) != 0) {
847 return LDB_ERR_OTHER;
850 account_type = ds_uf2atype(user_account_control);
851 if (account_type == 0) {
852 ldb_set_errstring(ldb, "samldb: Unrecognized account type!");
853 return LDB_ERR_UNWILLING_TO_PERFORM;
855 ret = samdb_msg_add_uint(ldb, ac->msg, ac->msg,
858 if (ret != LDB_SUCCESS) {
861 el2 = ldb_msg_find_element(ac->msg, "sAMAccountType");
862 el2->flags = LDB_FLAG_MOD_REPLACE;
864 if (user_account_control &
865 (UF_SERVER_TRUST_ACCOUNT | UF_PARTIAL_SECRETS_ACCOUNT)) {
866 ret = samdb_msg_set_string(ldb, ac->msg, ac->msg,
867 "isCriticalSystemObject",
869 if (ret != LDB_SUCCESS) {
872 el2 = ldb_msg_find_element(ac->msg,
873 "isCriticalSystemObject");
874 el2->flags = LDB_FLAG_MOD_REPLACE;
877 /* Step 1.4: "userAccountControl" -> "primaryGroupID" mapping */
878 if (!ldb_msg_find_element(ac->msg, "primaryGroupID")) {
879 uint32_t rid = ds_uf2prim_group_rid(user_account_control);
880 ret = samdb_msg_add_uint(ldb, ac->msg, ac->msg,
881 "primaryGroupID", rid);
882 if (ret != LDB_SUCCESS) {
885 el2 = ldb_msg_find_element(ac->msg,
887 el2->flags = LDB_FLAG_MOD_REPLACE;
890 /* Step 1.5: Add additional flags when needed */
891 if ((user_account_control & UF_NORMAL_ACCOUNT) &&
892 (ldb_request_get_control(ac->req, LDB_CONTROL_RELAX_OID) == NULL)) {
893 user_account_control |= UF_ACCOUNTDISABLE;
894 user_account_control |= UF_PASSWD_NOTREQD;
896 ret = samdb_msg_set_uint(ldb, ac->msg, ac->msg,
897 "userAccountControl",
898 user_account_control);
899 if (ret != LDB_SUCCESS) {
905 } else if (strcmp(ac->type, "group") == 0) {
906 /* Step 2.2: Default values */
907 tempstr = talloc_asprintf(ac->msg, "%d",
908 GTYPE_SECURITY_GLOBAL_GROUP);
909 if (tempstr == NULL) return ldb_operr(ldb);
910 ret = samdb_find_or_add_attribute(ldb, ac->msg,
911 "groupType", tempstr);
912 if (ret != LDB_SUCCESS) return ret;
914 /* Step 2.3: "groupType" -> "sAMAccountType" */
915 el = ldb_msg_find_element(ac->msg, "groupType");
917 uint32_t group_type, account_type;
919 group_type = ldb_msg_find_attr_as_uint(ac->msg,
922 /* The creation of builtin groups requires the
924 if (group_type == GTYPE_SECURITY_BUILTIN_LOCAL_GROUP) {
925 if (ldb_request_get_control(ac->req,
926 LDB_CONTROL_RELAX_OID) == NULL) {
927 return LDB_ERR_UNWILLING_TO_PERFORM;
931 account_type = ds_gtype2atype(group_type);
932 if (account_type == 0) {
933 ldb_set_errstring(ldb, "samldb: Unrecognized account type!");
934 return LDB_ERR_UNWILLING_TO_PERFORM;
936 ret = samdb_msg_add_uint(ldb, ac->msg, ac->msg,
939 if (ret != LDB_SUCCESS) {
942 el2 = ldb_msg_find_element(ac->msg, "sAMAccountType");
943 el2->flags = LDB_FLAG_MOD_REPLACE;
951 * "Primary group ID" trigger (MS-SAMR 3.1.1.8.2)
953 * Has to be invoked on "add" and "modify" operations on "user" and "computer"
955 * ac->msg contains the "add"/"modify" message
958 static int samldb_prim_group_set(struct samldb_ctx *ac)
960 struct ldb_context *ldb = ldb_module_get_ctx(ac->module);
961 struct ldb_dn *prim_group_dn;
965 rid = ldb_msg_find_attr_as_uint(ac->msg, "primaryGroupID", (uint32_t) -1);
966 if (rid == (uint32_t) -1) {
967 /* we aren't affected of any primary group set */
970 } else if (!ldb_request_get_control(ac->req, LDB_CONTROL_RELAX_OID)) {
971 ldb_set_errstring(ldb,
972 "The primary group isn't settable on add operations!");
973 return LDB_ERR_UNWILLING_TO_PERFORM;
976 sid = dom_sid_add_rid(ac, samdb_domain_sid(ldb), rid);
978 return ldb_operr(ldb);
981 prim_group_dn = samdb_search_dn(ldb, ac, NULL, "(objectSid=%s)",
982 ldap_encode_ndr_dom_sid(ac, sid));
983 if (prim_group_dn == NULL) {
984 ldb_asprintf_errstring(ldb,
985 "Failed to find primary group with RID %u!",
987 return LDB_ERR_UNWILLING_TO_PERFORM;
993 static int samldb_prim_group_change(struct samldb_ctx *ac)
995 struct ldb_context *ldb = ldb_module_get_ctx(ac->module);
996 const char * attrs[] = { "primaryGroupID", "memberOf", NULL };
997 struct ldb_result *res;
998 struct ldb_message_element *el;
999 struct ldb_message *msg;
1001 struct dom_sid *sid;
1002 struct ldb_dn *prev_prim_group_dn, *new_prim_group_dn;
1005 /* Fetch informations from the existing object */
1007 ret = ldb_search(ldb, ac, &res, ac->msg->dn, LDB_SCOPE_BASE, attrs,
1009 if (ret != LDB_SUCCESS) {
1013 /* Finds out the DN of the old primary group */
1015 rid = ldb_msg_find_attr_as_uint(res->msgs[0], "primaryGroupID", (uint32_t) -1);
1016 if (rid == (uint32_t) -1) {
1017 /* User objects do always have a mandatory "primaryGroupID"
1018 * attribute. If this doesn't exist then the object is of the
1019 * wrong type. This is the exact Windows error code */
1020 return LDB_ERR_OBJECT_CLASS_VIOLATION;
1023 sid = dom_sid_add_rid(ac, samdb_domain_sid(ldb), rid);
1025 return ldb_operr(ldb);
1028 prev_prim_group_dn = samdb_search_dn(ldb, ac, NULL, "(objectSid=%s)",
1029 ldap_encode_ndr_dom_sid(ac, sid));
1030 if (prev_prim_group_dn == NULL) {
1031 return ldb_operr(ldb);
1034 /* Finds out the DN of the new primary group */
1036 rid = ldb_msg_find_attr_as_uint(ac->msg, "primaryGroupID", (uint32_t) -1);
1037 if (rid == (uint32_t) -1) {
1038 /* we aren't affected of any primary group change */
1042 sid = dom_sid_add_rid(ac, samdb_domain_sid(ldb), rid);
1044 return ldb_operr(ldb);
1047 new_prim_group_dn = samdb_search_dn(ldb, ac, NULL, "(objectSid=%s)",
1048 ldap_encode_ndr_dom_sid(ac, sid));
1049 if (new_prim_group_dn == NULL) {
1050 /* Here we know if the specified new primary group candidate is
1052 return LDB_ERR_UNWILLING_TO_PERFORM;
1055 /* Only update the "member" attributes when we really do have a change */
1056 if (ldb_dn_compare(new_prim_group_dn, prev_prim_group_dn) != 0) {
1057 /* We need to be already a normal member of the new primary
1058 * group in order to be successful. */
1059 el = samdb_find_attribute(ldb, res->msgs[0], "memberOf",
1060 ldb_dn_get_linearized(new_prim_group_dn));
1062 return LDB_ERR_UNWILLING_TO_PERFORM;
1065 /* Remove the "member" attribute on the new primary group */
1066 msg = talloc_zero(ac, struct ldb_message);
1067 msg->dn = new_prim_group_dn;
1069 ret = samdb_msg_add_delval(ldb, msg, msg, "member",
1070 ldb_dn_get_linearized(ac->msg->dn));
1071 if (ret != LDB_SUCCESS) {
1075 ret = dsdb_module_modify(ac->module, msg, DSDB_FLAG_NEXT_MODULE);
1076 if (ret != LDB_SUCCESS) {
1080 /* Add a "member" attribute for the previous primary group */
1081 msg = talloc_zero(ac, struct ldb_message);
1082 msg->dn = prev_prim_group_dn;
1084 ret = samdb_msg_add_addval(ldb, msg, msg, "member",
1085 ldb_dn_get_linearized(ac->msg->dn));
1086 if (ret != LDB_SUCCESS) {
1090 ret = dsdb_module_modify(ac->module, msg, DSDB_FLAG_NEXT_MODULE);
1091 if (ret != LDB_SUCCESS) {
1099 static int samldb_prim_group_trigger(struct samldb_ctx *ac)
1103 if (ac->req->operation == LDB_ADD) {
1104 ret = samldb_prim_group_set(ac);
1106 ret = samldb_prim_group_change(ac);
1112 static int samldb_member_check(struct samldb_ctx *ac)
1114 struct ldb_context *ldb;
1115 struct ldb_message_element *el;
1116 struct ldb_dn *member_dn, *group_dn;
1117 uint32_t prim_group_rid;
1118 struct dom_sid *sid;
1121 ldb = ldb_module_get_ctx(ac->module);
1123 el = ldb_msg_find_element(ac->msg, "member");
1125 /* we aren't affected */
1129 for (i = 0; i < el->num_values; i++) {
1130 /* Denies to add "member"s to groups which are primary ones
1132 member_dn = ldb_dn_from_ldb_val(ac, ldb, &el->values[i]);
1133 if (!ldb_dn_validate(member_dn)) {
1134 return ldb_operr(ldb);
1137 prim_group_rid = samdb_search_uint(ldb, ac, (uint32_t) -1,
1138 member_dn, "primaryGroupID",
1140 if (prim_group_rid == (uint32_t) -1) {
1141 /* the member hasn't to be a user account -> therefore
1142 * no check needed in this case. */
1146 sid = dom_sid_add_rid(ac, samdb_domain_sid(ldb),
1149 return ldb_operr(ldb);
1152 group_dn = samdb_search_dn(ldb, ac, NULL, "(objectSid=%s)",
1153 ldap_encode_ndr_dom_sid(ac, sid));
1154 if (group_dn == NULL) {
1155 return ldb_operr(ldb);
1158 if (ldb_dn_compare(group_dn, ac->msg->dn) == 0) {
1159 return LDB_ERR_ENTRY_ALREADY_EXISTS;
1168 static int samldb_add(struct ldb_module *module, struct ldb_request *req)
1170 struct ldb_context *ldb;
1171 struct samldb_ctx *ac;
1174 ldb = ldb_module_get_ctx(module);
1175 ldb_debug(ldb, LDB_DEBUG_TRACE, "samldb_add\n");
1177 /* do not manipulate our control entries */
1178 if (ldb_dn_is_special(req->op.add.message->dn)) {
1179 return ldb_next_request(module, req);
1182 ac = samldb_ctx_init(module, req);
1184 return ldb_operr(ldb);
1187 /* build the new msg */
1188 ac->msg = ldb_msg_copy_shallow(ac, req->op.add.message);
1189 if (ac->msg == NULL) {
1191 ldb_debug(ldb, LDB_DEBUG_FATAL,
1192 "samldb_add: ldb_msg_copy_shallow failed!\n");
1193 return ldb_operr(ldb);
1196 if (samdb_find_attribute(ldb, ac->msg,
1197 "objectclass", "user") != NULL) {
1200 ret = samldb_prim_group_trigger(ac);
1201 if (ret != LDB_SUCCESS) {
1205 ret = samldb_objectclass_trigger(ac);
1206 if (ret != LDB_SUCCESS) {
1210 return samldb_fill_object(ac);
1213 if (samdb_find_attribute(ldb, ac->msg,
1214 "objectclass", "group") != NULL) {
1217 ret = samldb_objectclass_trigger(ac);
1218 if (ret != LDB_SUCCESS) {
1222 return samldb_fill_object(ac);
1225 /* perhaps a foreignSecurityPrincipal? */
1226 if (samdb_find_attribute(ldb, ac->msg,
1228 "foreignSecurityPrincipal") != NULL) {
1229 return samldb_fill_foreignSecurityPrincipal_object(ac);
1232 if (samdb_find_attribute(ldb, ac->msg,
1233 "objectclass", "classSchema") != NULL) {
1234 ret = samldb_schema_info_update(ac);
1235 if (ret != LDB_SUCCESS) {
1240 ac->type = "classSchema";
1241 return samldb_fill_object(ac);
1244 if (samdb_find_attribute(ldb, ac->msg,
1245 "objectclass", "attributeSchema") != NULL) {
1246 ret = samldb_schema_info_update(ac);
1247 if (ret != LDB_SUCCESS) {
1252 ac->type = "attributeSchema";
1253 return samldb_fill_object(ac);
1258 /* nothing matched, go on */
1259 return ldb_next_request(module, req);
1263 static int samldb_modify(struct ldb_module *module, struct ldb_request *req)
1265 struct ldb_context *ldb;
1266 struct samldb_ctx *ac;
1267 struct ldb_message_element *el, *el2;
1268 bool modified = false;
1270 uint32_t account_type;
1272 if (ldb_dn_is_special(req->op.mod.message->dn)) {
1273 /* do not manipulate our control entries */
1274 return ldb_next_request(module, req);
1277 ldb = ldb_module_get_ctx(module);
1279 /* make sure that "sAMAccountType" is not specified */
1280 el = ldb_msg_find_element(req->op.mod.message, "sAMAccountType");
1282 ldb_set_errstring(ldb,
1283 "samldb: sAMAccountType must not be specified!");
1284 return LDB_ERR_UNWILLING_TO_PERFORM;
1286 /* make sure that "isCriticalSystemObject" is not specified */
1287 el = ldb_msg_find_element(req->op.mod.message, "isCriticalSystemObject");
1289 if (ldb_request_get_control(req, LDB_CONTROL_RELAX_OID) == NULL) {
1290 ldb_set_errstring(ldb,
1291 "samldb: isCriticalSystemObject must not be specified!");
1292 return LDB_ERR_UNWILLING_TO_PERFORM;
1296 /* msDS-IntId is not allowed to be modified
1297 * except when modification comes from replication */
1298 if (ldb_msg_find_element(req->op.mod.message, "msDS-IntId")) {
1299 if (!ldb_request_get_control(req,
1300 DSDB_CONTROL_REPLICATED_UPDATE_OID)) {
1301 return LDB_ERR_CONSTRAINT_VIOLATION;
1305 ac = samldb_ctx_init(module, req);
1307 return ldb_operr(ldb);
1310 /* build the new msg */
1311 ac->msg = ldb_msg_copy_shallow(ac, req->op.mod.message);
1312 if (ac->msg == NULL) {
1314 ldb_debug(ldb, LDB_DEBUG_FATAL,
1315 "samldb_modify: ldb_msg_copy_shallow failed!\n");
1316 return ldb_operr(ldb);
1319 el = ldb_msg_find_element(ac->msg, "groupType");
1320 if (el && (LDB_FLAG_MOD_TYPE(el->flags) == LDB_FLAG_MOD_REPLACE)
1321 && el->num_values == 1) {
1322 uint32_t group_type, old_group_type;
1326 group_type = ldb_msg_find_attr_as_uint(ac->msg, "groupType", 0);
1327 old_group_type = samdb_search_uint(ldb, ac, 0, ac->msg->dn,
1329 if (old_group_type == 0) {
1330 return ldb_operr(ldb);
1333 /* Group type switching isn't so easy as it seems: We can only
1334 * change in this directions: global <-> universal <-> local
1335 * On each step also the group type itself
1336 * (security/distribution) is variable. */
1338 switch (group_type) {
1339 case GTYPE_SECURITY_GLOBAL_GROUP:
1340 case GTYPE_DISTRIBUTION_GLOBAL_GROUP:
1341 /* change to "universal" allowed */
1342 if ((old_group_type == GTYPE_SECURITY_DOMAIN_LOCAL_GROUP) ||
1343 (old_group_type == GTYPE_DISTRIBUTION_DOMAIN_LOCAL_GROUP)) {
1344 return LDB_ERR_UNWILLING_TO_PERFORM;
1348 case GTYPE_SECURITY_UNIVERSAL_GROUP:
1349 case GTYPE_DISTRIBUTION_UNIVERSAL_GROUP:
1350 /* each change allowed */
1353 case GTYPE_SECURITY_DOMAIN_LOCAL_GROUP:
1354 case GTYPE_DISTRIBUTION_DOMAIN_LOCAL_GROUP:
1355 /* change to "universal" allowed */
1356 if ((old_group_type == GTYPE_SECURITY_GLOBAL_GROUP) ||
1357 (old_group_type == GTYPE_DISTRIBUTION_GLOBAL_GROUP)) {
1358 return LDB_ERR_UNWILLING_TO_PERFORM;
1362 case GTYPE_SECURITY_BUILTIN_LOCAL_GROUP:
1364 /* we don't allow this "groupType" values */
1365 return LDB_ERR_UNWILLING_TO_PERFORM;
1369 account_type = ds_gtype2atype(group_type);
1370 if (account_type == 0) {
1371 ldb_set_errstring(ldb, "samldb: Unrecognized account type!");
1372 return LDB_ERR_UNWILLING_TO_PERFORM;
1374 ret = samdb_msg_add_uint(ldb, ac->msg, ac->msg,
1377 if (ret != LDB_SUCCESS) {
1380 el2 = ldb_msg_find_element(ac->msg, "sAMAccountType");
1381 el2->flags = LDB_FLAG_MOD_REPLACE;
1383 el = ldb_msg_find_element(ac->msg, "groupType");
1384 if (el && (LDB_FLAG_MOD_TYPE(el->flags) == LDB_FLAG_MOD_DELETE)) {
1385 return LDB_ERR_UNWILLING_TO_PERFORM;
1388 el = ldb_msg_find_element(ac->msg, "primaryGroupID");
1389 if (el && (LDB_FLAG_MOD_TYPE(el->flags) == LDB_FLAG_MOD_REPLACE)
1390 && el->num_values == 1) {
1393 ret = samldb_prim_group_change(ac);
1394 if (ret != LDB_SUCCESS) {
1398 el = ldb_msg_find_element(ac->msg, "primaryGroupID");
1399 if (el && (LDB_FLAG_MOD_TYPE(el->flags) == LDB_FLAG_MOD_DELETE)) {
1400 return LDB_ERR_UNWILLING_TO_PERFORM;
1403 el = ldb_msg_find_element(ac->msg, "userAccountControl");
1404 if (el && (LDB_FLAG_MOD_TYPE(el->flags) == LDB_FLAG_MOD_REPLACE)
1405 && el->num_values == 1) {
1406 uint32_t user_account_control;
1410 user_account_control = ldb_msg_find_attr_as_uint(ac->msg,
1411 "userAccountControl",
1414 /* Temporary duplicate accounts aren't allowed */
1415 if ((user_account_control & UF_TEMP_DUPLICATE_ACCOUNT) != 0) {
1416 return LDB_ERR_OTHER;
1419 account_type = ds_uf2atype(user_account_control);
1420 if (account_type == 0) {
1421 ldb_set_errstring(ldb, "samldb: Unrecognized account type!");
1422 return LDB_ERR_UNWILLING_TO_PERFORM;
1424 ret = samdb_msg_add_uint(ldb, ac->msg, ac->msg,
1427 if (ret != LDB_SUCCESS) {
1430 el2 = ldb_msg_find_element(ac->msg, "sAMAccountType");
1431 el2->flags = LDB_FLAG_MOD_REPLACE;
1433 if (user_account_control & (UF_SERVER_TRUST_ACCOUNT | UF_PARTIAL_SECRETS_ACCOUNT)) {
1434 ret = samdb_msg_add_string(ldb, ac->msg, ac->msg,
1435 "isCriticalSystemObject",
1437 if (ret != LDB_SUCCESS) {
1440 el2 = ldb_msg_find_element(ac->msg,
1441 "isCriticalSystemObject");
1442 el2->flags = LDB_FLAG_MOD_REPLACE;
1445 if (!ldb_msg_find_element(ac->msg, "primaryGroupID")) {
1446 uint32_t rid = ds_uf2prim_group_rid(user_account_control);
1448 ret = samdb_msg_add_uint(ldb, ac->msg, ac->msg,
1449 "primaryGroupID", rid);
1450 if (ret != LDB_SUCCESS) {
1453 el2 = ldb_msg_find_element(ac->msg,
1455 el2->flags = LDB_FLAG_MOD_REPLACE;
1458 el = ldb_msg_find_element(ac->msg, "userAccountControl");
1459 if (el && (LDB_FLAG_MOD_TYPE(el->flags) == LDB_FLAG_MOD_DELETE)) {
1460 return LDB_ERR_UNWILLING_TO_PERFORM;
1463 el = ldb_msg_find_element(ac->msg, "member");
1464 if (el && el->flags & (LDB_FLAG_MOD_ADD|LDB_FLAG_MOD_REPLACE)
1465 && el->num_values == 1) {
1466 ret = samldb_member_check(ac);
1467 if (ret != LDB_SUCCESS) {
1473 struct ldb_request *child_req;
1475 /* Now perform the real modifications as a child request */
1476 ret = ldb_build_mod_req(&child_req, ldb, ac,
1479 req, dsdb_next_callback,
1481 LDB_REQ_SET_LOCATION(child_req);
1482 if (ret != LDB_SUCCESS) {
1486 return ldb_next_request(module, child_req);
1491 /* no change which interests us, go on */
1492 return ldb_next_request(module, req);
1497 static int samldb_prim_group_users_check(struct samldb_ctx *ac)
1499 struct ldb_context *ldb;
1500 struct dom_sid *sid;
1505 ldb = ldb_module_get_ctx(ac->module);
1507 /* Finds out the SID/RID of the SAM object */
1508 sid = samdb_search_dom_sid(ldb, ac, ac->req->op.del.dn, "objectSid",
1511 /* No SID - it might not be a SAM object - therefore ok */
1514 status = dom_sid_split_rid(ac, sid, NULL, &rid);
1515 if (!NT_STATUS_IS_OK(status)) {
1516 return ldb_operr(ldb);
1519 /* Special object (security principal?) */
1523 /* Deny delete requests from groups which are primary ones */
1524 count = samdb_search_count(ldb, NULL,
1525 "(&(primaryGroupID=%u)(objectClass=user))",
1528 return ldb_operr(ldb);
1531 return LDB_ERR_ENTRY_ALREADY_EXISTS;
1537 static int samldb_delete(struct ldb_module *module, struct ldb_request *req)
1539 struct samldb_ctx *ac;
1542 if (ldb_dn_is_special(req->op.del.dn)) {
1543 /* do not manipulate our control entries */
1544 return ldb_next_request(module, req);
1547 ac = samldb_ctx_init(module, req);
1549 return ldb_operr(ldb_module_get_ctx(module));
1552 ret = samldb_prim_group_users_check(ac);
1553 if (ret != LDB_SUCCESS) {
1559 return ldb_next_request(module, req);
1564 static int samldb_extended_allocate_rid_pool(struct ldb_module *module, struct ldb_request *req)
1566 struct ldb_context *ldb = ldb_module_get_ctx(module);
1567 struct dsdb_fsmo_extended_op *exop;
1570 exop = talloc_get_type(req->op.extended.data,
1571 struct dsdb_fsmo_extended_op);
1573 ldb_debug(ldb, LDB_DEBUG_FATAL, "samldb_extended_allocate_rid_pool: invalid extended data\n");
1574 return LDB_ERR_PROTOCOL_ERROR;
1577 ret = ridalloc_allocate_rid_pool_fsmo(module, exop);
1578 if (ret != LDB_SUCCESS) {
1582 return ldb_module_done(req, NULL, NULL, LDB_SUCCESS);
1585 static int samldb_extended(struct ldb_module *module, struct ldb_request *req)
1587 if (strcmp(req->op.extended.oid, DSDB_EXTENDED_ALLOCATE_RID_POOL) == 0) {
1588 return samldb_extended_allocate_rid_pool(module, req);
1591 return ldb_next_request(module, req);
1595 _PUBLIC_ const struct ldb_module_ops ldb_samldb_module_ops = {
1598 .modify = samldb_modify,
1599 .del = samldb_delete,
1600 .extended = samldb_extended