s4-dsdb: Add mem_ctx argument to samdb_ntds_settings_dn
[Samba.git] / source4 / dsdb / common / util.c
blob251e17759b4f27a9add07c0a4da53ec40b4322e0
1 /*
2 Unix SMB/CIFS implementation.
3 Samba utility functions
5 Copyright (C) Andrew Tridgell 2004
6 Copyright (C) Volker Lendecke 2004
7 Copyright (C) Andrew Bartlett <abartlet@samba.org> 2006
8 Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2007
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program. If not, see <http://www.gnu.org/licenses/>.
24 #include "includes.h"
25 #include "events/events.h"
26 #include "ldb.h"
27 #include "ldb_module.h"
28 #include "ldb_errors.h"
29 #include "../lib/util/util_ldb.h"
30 #include "../lib/crypto/crypto.h"
31 #include "dsdb/samdb/samdb.h"
32 #include "libcli/security/security.h"
33 #include "librpc/gen_ndr/ndr_security.h"
34 #include "librpc/gen_ndr/ndr_misc.h"
35 #include "../libds/common/flags.h"
36 #include "dsdb/common/proto.h"
37 #include "libcli/ldap/ldap_ndr.h"
38 #include "param/param.h"
39 #include "libcli/auth/libcli_auth.h"
40 #include "librpc/gen_ndr/ndr_drsblobs.h"
41 #include "system/locale.h"
42 #include "lib/util/tsort.h"
43 #include "dsdb/common/util.h"
44 #include "lib/socket/socket.h"
45 #include "librpc/gen_ndr/irpc.h"
46 #include "libds/common/flag_mapping.h"
49 search the sam for the specified attributes in a specific domain, filter on
50 objectSid being in domain_sid.
52 int samdb_search_domain(struct ldb_context *sam_ldb,
53 TALLOC_CTX *mem_ctx,
54 struct ldb_dn *basedn,
55 struct ldb_message ***res,
56 const char * const *attrs,
57 const struct dom_sid *domain_sid,
58 const char *format, ...) _PRINTF_ATTRIBUTE(7,8)
60 va_list ap;
61 int i, count;
63 va_start(ap, format);
64 count = gendb_search_v(sam_ldb, mem_ctx, basedn,
65 res, attrs, format, ap);
66 va_end(ap);
68 i=0;
70 while (i<count) {
71 struct dom_sid *entry_sid;
73 entry_sid = samdb_result_dom_sid(mem_ctx, (*res)[i], "objectSid");
75 if ((entry_sid == NULL) ||
76 (!dom_sid_in_domain(domain_sid, entry_sid))) {
77 /* Delete that entry from the result set */
78 (*res)[i] = (*res)[count-1];
79 count -= 1;
80 talloc_free(entry_sid);
81 continue;
83 talloc_free(entry_sid);
84 i += 1;
87 return count;
91 search the sam for a single string attribute in exactly 1 record
93 const char *samdb_search_string_v(struct ldb_context *sam_ldb,
94 TALLOC_CTX *mem_ctx,
95 struct ldb_dn *basedn,
96 const char *attr_name,
97 const char *format, va_list ap) _PRINTF_ATTRIBUTE(5,0)
99 int count;
100 const char *attrs[2] = { NULL, NULL };
101 struct ldb_message **res = NULL;
103 attrs[0] = attr_name;
105 count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, attrs, format, ap);
106 if (count > 1) {
107 DEBUG(1,("samdb: search for %s %s not single valued (count=%d)\n",
108 attr_name, format, count));
110 if (count != 1) {
111 talloc_free(res);
112 return NULL;
115 return ldb_msg_find_attr_as_string(res[0], attr_name, NULL);
119 search the sam for a single string attribute in exactly 1 record
121 const char *samdb_search_string(struct ldb_context *sam_ldb,
122 TALLOC_CTX *mem_ctx,
123 struct ldb_dn *basedn,
124 const char *attr_name,
125 const char *format, ...) _PRINTF_ATTRIBUTE(5,6)
127 va_list ap;
128 const char *str;
130 va_start(ap, format);
131 str = samdb_search_string_v(sam_ldb, mem_ctx, basedn, attr_name, format, ap);
132 va_end(ap);
134 return str;
137 struct ldb_dn *samdb_search_dn(struct ldb_context *sam_ldb,
138 TALLOC_CTX *mem_ctx,
139 struct ldb_dn *basedn,
140 const char *format, ...) _PRINTF_ATTRIBUTE(4,5)
142 va_list ap;
143 struct ldb_dn *ret;
144 struct ldb_message **res = NULL;
145 int count;
147 va_start(ap, format);
148 count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, NULL, format, ap);
149 va_end(ap);
151 if (count != 1) return NULL;
153 ret = talloc_steal(mem_ctx, res[0]->dn);
154 talloc_free(res);
156 return ret;
160 search the sam for a dom_sid attribute in exactly 1 record
162 struct dom_sid *samdb_search_dom_sid(struct ldb_context *sam_ldb,
163 TALLOC_CTX *mem_ctx,
164 struct ldb_dn *basedn,
165 const char *attr_name,
166 const char *format, ...) _PRINTF_ATTRIBUTE(5,6)
168 va_list ap;
169 int count;
170 struct ldb_message **res;
171 const char *attrs[2] = { NULL, NULL };
172 struct dom_sid *sid;
174 attrs[0] = attr_name;
176 va_start(ap, format);
177 count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, attrs, format, ap);
178 va_end(ap);
179 if (count > 1) {
180 DEBUG(1,("samdb: search for %s %s not single valued (count=%d)\n",
181 attr_name, format, count));
183 if (count != 1) {
184 talloc_free(res);
185 return NULL;
187 sid = samdb_result_dom_sid(mem_ctx, res[0], attr_name);
188 talloc_free(res);
189 return sid;
193 return the count of the number of records in the sam matching the query
195 int samdb_search_count(struct ldb_context *sam_ldb,
196 TALLOC_CTX *mem_ctx,
197 struct ldb_dn *basedn,
198 const char *format, ...) _PRINTF_ATTRIBUTE(4,5)
200 va_list ap;
201 const char *attrs[] = { NULL };
202 int ret;
204 va_start(ap, format);
205 ret = gendb_search_v(sam_ldb, mem_ctx, basedn, NULL, attrs, format, ap);
206 va_end(ap);
208 return ret;
213 search the sam for a single integer attribute in exactly 1 record
215 unsigned int samdb_search_uint(struct ldb_context *sam_ldb,
216 TALLOC_CTX *mem_ctx,
217 unsigned int default_value,
218 struct ldb_dn *basedn,
219 const char *attr_name,
220 const char *format, ...) _PRINTF_ATTRIBUTE(6,7)
222 va_list ap;
223 int count;
224 struct ldb_message **res;
225 const char *attrs[2] = { NULL, NULL };
227 attrs[0] = attr_name;
229 va_start(ap, format);
230 count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, attrs, format, ap);
231 va_end(ap);
233 if (count != 1) {
234 return default_value;
237 return ldb_msg_find_attr_as_uint(res[0], attr_name, default_value);
241 search the sam for a single signed 64 bit integer attribute in exactly 1 record
243 int64_t samdb_search_int64(struct ldb_context *sam_ldb,
244 TALLOC_CTX *mem_ctx,
245 int64_t default_value,
246 struct ldb_dn *basedn,
247 const char *attr_name,
248 const char *format, ...) _PRINTF_ATTRIBUTE(6,7)
250 va_list ap;
251 int count;
252 struct ldb_message **res;
253 const char *attrs[2] = { NULL, NULL };
255 attrs[0] = attr_name;
257 va_start(ap, format);
258 count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, attrs, format, ap);
259 va_end(ap);
261 if (count != 1) {
262 return default_value;
265 return ldb_msg_find_attr_as_int64(res[0], attr_name, default_value);
269 search the sam for multipe records each giving a single string attribute
270 return the number of matches, or -1 on error
272 int samdb_search_string_multiple(struct ldb_context *sam_ldb,
273 TALLOC_CTX *mem_ctx,
274 struct ldb_dn *basedn,
275 const char ***strs,
276 const char *attr_name,
277 const char *format, ...) _PRINTF_ATTRIBUTE(6,7)
279 va_list ap;
280 int count, i;
281 const char *attrs[2] = { NULL, NULL };
282 struct ldb_message **res = NULL;
284 attrs[0] = attr_name;
286 va_start(ap, format);
287 count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, attrs, format, ap);
288 va_end(ap);
290 if (count <= 0) {
291 return count;
294 /* make sure its single valued */
295 for (i=0;i<count;i++) {
296 if (res[i]->num_elements != 1) {
297 DEBUG(1,("samdb: search for %s %s not single valued\n",
298 attr_name, format));
299 talloc_free(res);
300 return -1;
304 *strs = talloc_array(mem_ctx, const char *, count+1);
305 if (! *strs) {
306 talloc_free(res);
307 return -1;
310 for (i=0;i<count;i++) {
311 (*strs)[i] = ldb_msg_find_attr_as_string(res[i], attr_name, NULL);
313 (*strs)[count] = NULL;
315 return count;
318 struct ldb_dn *samdb_result_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
319 const char *attr, struct ldb_dn *default_value)
321 struct ldb_dn *ret_dn = ldb_msg_find_attr_as_dn(ldb, mem_ctx, msg, attr);
322 if (!ret_dn) {
323 return default_value;
325 return ret_dn;
329 pull a rid from a objectSid in a result set.
331 uint32_t samdb_result_rid_from_sid(TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
332 const char *attr, uint32_t default_value)
334 struct dom_sid *sid;
335 uint32_t rid;
337 sid = samdb_result_dom_sid(mem_ctx, msg, attr);
338 if (sid == NULL) {
339 return default_value;
341 rid = sid->sub_auths[sid->num_auths-1];
342 talloc_free(sid);
343 return rid;
347 pull a dom_sid structure from a objectSid in a result set.
349 struct dom_sid *samdb_result_dom_sid(TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
350 const char *attr)
352 bool ok;
353 const struct ldb_val *v;
354 struct dom_sid *sid;
355 v = ldb_msg_find_ldb_val(msg, attr);
356 if (v == NULL) {
357 return NULL;
359 sid = talloc(mem_ctx, struct dom_sid);
360 if (sid == NULL) {
361 return NULL;
363 ok = sid_blob_parse(*v, sid);
364 if (!ok) {
365 talloc_free(sid);
366 return NULL;
368 return sid;
372 pull a guid structure from a objectGUID in a result set.
374 struct GUID samdb_result_guid(const struct ldb_message *msg, const char *attr)
376 const struct ldb_val *v;
377 struct GUID guid;
378 NTSTATUS status;
380 v = ldb_msg_find_ldb_val(msg, attr);
381 if (!v) return GUID_zero();
383 status = GUID_from_ndr_blob(v, &guid);
384 if (!NT_STATUS_IS_OK(status)) {
385 return GUID_zero();
388 return guid;
392 pull a sid prefix from a objectSid in a result set.
393 this is used to find the domain sid for a user
395 struct dom_sid *samdb_result_sid_prefix(TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
396 const char *attr)
398 struct dom_sid *sid = samdb_result_dom_sid(mem_ctx, msg, attr);
399 if (!sid || sid->num_auths < 1) return NULL;
400 sid->num_auths--;
401 return sid;
405 pull a NTTIME in a result set.
407 NTTIME samdb_result_nttime(const struct ldb_message *msg, const char *attr,
408 NTTIME default_value)
410 return ldb_msg_find_attr_as_uint64(msg, attr, default_value);
414 * Windows stores 0 for lastLogoff.
415 * But when a MS DC return the lastLogoff (as Logoff Time)
416 * it returns 0x7FFFFFFFFFFFFFFF, not returning this value in this case
417 * cause windows 2008 and newer version to fail for SMB requests
419 NTTIME samdb_result_last_logoff(const struct ldb_message *msg)
421 NTTIME ret = ldb_msg_find_attr_as_uint64(msg, "lastLogoff",0);
423 if (ret == 0)
424 ret = 0x7FFFFFFFFFFFFFFFULL;
426 return ret;
430 * Windows uses both 0 and 9223372036854775807 (0x7FFFFFFFFFFFFFFFULL) to
431 * indicate an account doesn't expire.
433 * When Windows initially creates an account, it sets
434 * accountExpires = 9223372036854775807 (0x7FFFFFFFFFFFFFFF). However,
435 * when changing from an account having a specific expiration date to
436 * that account never expiring, it sets accountExpires = 0.
438 * Consolidate that logic here to allow clearer logic for account expiry in
439 * the rest of the code.
441 NTTIME samdb_result_account_expires(const struct ldb_message *msg)
443 NTTIME ret = ldb_msg_find_attr_as_uint64(msg, "accountExpires",
446 if (ret == 0)
447 ret = 0x7FFFFFFFFFFFFFFFULL;
449 return ret;
453 construct the allow_password_change field from the PwdLastSet attribute and the
454 domain password settings
456 NTTIME samdb_result_allow_password_change(struct ldb_context *sam_ldb,
457 TALLOC_CTX *mem_ctx,
458 struct ldb_dn *domain_dn,
459 struct ldb_message *msg,
460 const char *attr)
462 uint64_t attr_time = ldb_msg_find_attr_as_uint64(msg, attr, 0);
463 int64_t minPwdAge;
465 if (attr_time == 0) {
466 return 0;
469 minPwdAge = samdb_search_int64(sam_ldb, mem_ctx, 0, domain_dn, "minPwdAge", NULL);
471 /* yes, this is a -= not a += as minPwdAge is stored as the negative
472 of the number of 100-nano-seconds */
473 attr_time -= minPwdAge;
475 return attr_time;
479 construct the force_password_change field from the PwdLastSet
480 attribute, the userAccountControl and the domain password settings
482 NTTIME samdb_result_force_password_change(struct ldb_context *sam_ldb,
483 TALLOC_CTX *mem_ctx,
484 struct ldb_dn *domain_dn,
485 struct ldb_message *msg)
487 int64_t attr_time = ldb_msg_find_attr_as_int64(msg, "pwdLastSet", 0);
488 uint32_t userAccountControl = ldb_msg_find_attr_as_uint(msg,
489 "userAccountControl",
491 int64_t maxPwdAge;
493 /* Machine accounts don't expire, and there is a flag for 'no expiry' */
494 if (!(userAccountControl & UF_NORMAL_ACCOUNT)
495 || (userAccountControl & UF_DONT_EXPIRE_PASSWD)) {
496 return 0x7FFFFFFFFFFFFFFFULL;
499 if (attr_time == 0) {
500 return 0;
502 if (attr_time == -1) {
503 return 0x7FFFFFFFFFFFFFFFULL;
506 maxPwdAge = samdb_search_int64(sam_ldb, mem_ctx, 0, domain_dn,
507 "maxPwdAge", NULL);
508 if (maxPwdAge == 0 || maxPwdAge == -0x8000000000000000ULL) {
509 return 0x7FFFFFFFFFFFFFFFULL;
510 } else {
511 attr_time -= maxPwdAge;
514 return attr_time;
518 pull a samr_Password structutre from a result set.
520 struct samr_Password *samdb_result_hash(TALLOC_CTX *mem_ctx, const struct ldb_message *msg, const char *attr)
522 struct samr_Password *hash = NULL;
523 const struct ldb_val *val = ldb_msg_find_ldb_val(msg, attr);
524 if (val && (val->length >= sizeof(hash->hash))) {
525 hash = talloc(mem_ctx, struct samr_Password);
526 memcpy(hash->hash, val->data, MIN(val->length, sizeof(hash->hash)));
528 return hash;
532 pull an array of samr_Password structures from a result set.
534 unsigned int samdb_result_hashes(TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
535 const char *attr, struct samr_Password **hashes)
537 unsigned int count, i;
538 const struct ldb_val *val = ldb_msg_find_ldb_val(msg, attr);
540 *hashes = NULL;
541 if (!val) {
542 return 0;
544 count = val->length / 16;
545 if (count == 0) {
546 return 0;
549 *hashes = talloc_array(mem_ctx, struct samr_Password, count);
550 if (! *hashes) {
551 return 0;
554 for (i=0;i<count;i++) {
555 memcpy((*hashes)[i].hash, (i*16)+(char *)val->data, 16);
558 return count;
561 NTSTATUS samdb_result_passwords(TALLOC_CTX *mem_ctx, struct loadparm_context *lp_ctx, struct ldb_message *msg,
562 struct samr_Password **lm_pwd, struct samr_Password **nt_pwd)
564 struct samr_Password *lmPwdHash, *ntPwdHash;
565 if (nt_pwd) {
566 unsigned int num_nt;
567 num_nt = samdb_result_hashes(mem_ctx, msg, "unicodePwd", &ntPwdHash);
568 if (num_nt == 0) {
569 *nt_pwd = NULL;
570 } else if (num_nt > 1) {
571 return NT_STATUS_INTERNAL_DB_CORRUPTION;
572 } else {
573 *nt_pwd = &ntPwdHash[0];
576 if (lm_pwd) {
577 /* Ensure that if we have turned off LM
578 * authentication, that we never use the LM hash, even
579 * if we store it */
580 if (lpcfg_lanman_auth(lp_ctx)) {
581 unsigned int num_lm;
582 num_lm = samdb_result_hashes(mem_ctx, msg, "dBCSPwd", &lmPwdHash);
583 if (num_lm == 0) {
584 *lm_pwd = NULL;
585 } else if (num_lm > 1) {
586 return NT_STATUS_INTERNAL_DB_CORRUPTION;
587 } else {
588 *lm_pwd = &lmPwdHash[0];
590 } else {
591 *lm_pwd = NULL;
594 return NT_STATUS_OK;
598 pull a samr_LogonHours structutre from a result set.
600 struct samr_LogonHours samdb_result_logon_hours(TALLOC_CTX *mem_ctx, struct ldb_message *msg, const char *attr)
602 struct samr_LogonHours hours;
603 size_t units_per_week = 168;
604 const struct ldb_val *val = ldb_msg_find_ldb_val(msg, attr);
606 ZERO_STRUCT(hours);
608 if (val) {
609 units_per_week = val->length * 8;
612 hours.bits = talloc_array(mem_ctx, uint8_t, units_per_week/8);
613 if (!hours.bits) {
614 return hours;
616 hours.units_per_week = units_per_week;
617 memset(hours.bits, 0xFF, units_per_week/8);
618 if (val) {
619 memcpy(hours.bits, val->data, val->length);
622 return hours;
626 pull a set of account_flags from a result set.
628 This requires that the attributes:
629 pwdLastSet
630 userAccountControl
631 be included in 'msg'
633 uint32_t samdb_result_acct_flags(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx,
634 struct ldb_message *msg, struct ldb_dn *domain_dn)
636 uint32_t userAccountControl = ldb_msg_find_attr_as_uint(msg, "userAccountControl", 0);
637 uint32_t acct_flags = ds_uf2acb(userAccountControl);
638 NTTIME must_change_time;
639 NTTIME now;
641 must_change_time = samdb_result_force_password_change(sam_ctx, mem_ctx,
642 domain_dn, msg);
644 /* Test account expire time */
645 unix_to_nt_time(&now, time(NULL));
646 /* check for expired password */
647 if (must_change_time < now) {
648 acct_flags |= ACB_PW_EXPIRED;
650 return acct_flags;
653 struct lsa_BinaryString samdb_result_parameters(TALLOC_CTX *mem_ctx,
654 struct ldb_message *msg,
655 const char *attr)
657 struct lsa_BinaryString s;
658 const struct ldb_val *val = ldb_msg_find_ldb_val(msg, attr);
660 ZERO_STRUCT(s);
662 if (!val) {
663 return s;
666 s.array = talloc_array(mem_ctx, uint16_t, val->length/2);
667 if (!s.array) {
668 return s;
670 s.length = s.size = val->length;
671 memcpy(s.array, val->data, val->length);
673 return s;
676 /* Find an attribute, with a particular value */
678 /* The current callers of this function expect a very specific
679 * behaviour: In particular, objectClass subclass equivilance is not
680 * wanted. This means that we should not lookup the schema for the
681 * comparison function */
682 struct ldb_message_element *samdb_find_attribute(struct ldb_context *ldb,
683 const struct ldb_message *msg,
684 const char *name, const char *value)
686 unsigned int i;
687 struct ldb_message_element *el = ldb_msg_find_element(msg, name);
689 if (!el) {
690 return NULL;
693 for (i=0;i<el->num_values;i++) {
694 if (ldb_attr_cmp(value, (char *)el->values[i].data) == 0) {
695 return el;
699 return NULL;
702 int samdb_find_or_add_attribute(struct ldb_context *ldb, struct ldb_message *msg, const char *name, const char *set_value)
704 struct ldb_message_element *el;
706 el = ldb_msg_find_element(msg, name);
707 if (el) {
708 return LDB_SUCCESS;
711 return ldb_msg_add_string(msg, name, set_value);
715 add a dom_sid element to a message
717 int samdb_msg_add_dom_sid(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
718 const char *attr_name, const struct dom_sid *sid)
720 struct ldb_val v;
721 enum ndr_err_code ndr_err;
723 ndr_err = ndr_push_struct_blob(&v, mem_ctx,
724 sid,
725 (ndr_push_flags_fn_t)ndr_push_dom_sid);
726 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
727 return ldb_operr(sam_ldb);
729 return ldb_msg_add_value(msg, attr_name, &v, NULL);
734 add a delete element operation to a message
736 int samdb_msg_add_delete(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
737 const char *attr_name)
739 /* we use an empty replace rather than a delete, as it allows for
740 dsdb_replace() to be used everywhere */
741 return ldb_msg_add_empty(msg, attr_name, LDB_FLAG_MOD_REPLACE, NULL);
745 add an add attribute value to a message or enhance an existing attribute
746 which has the same name and the add flag set.
748 int samdb_msg_add_addval(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx,
749 struct ldb_message *msg, const char *attr_name,
750 const char *value)
752 struct ldb_message_element *el;
753 struct ldb_val val, *vals;
754 char *v;
755 unsigned int i;
756 bool found = false;
757 int ret;
759 v = talloc_strdup(mem_ctx, value);
760 if (v == NULL) {
761 return ldb_oom(sam_ldb);
764 val.data = (uint8_t *) v;
765 val.length = strlen(v);
767 if (val.length == 0) {
768 /* allow empty strings as non-existent attributes */
769 return LDB_SUCCESS;
772 for (i = 0; i < msg->num_elements; i++) {
773 el = &msg->elements[i];
774 if ((ldb_attr_cmp(el->name, attr_name) == 0) &&
775 (LDB_FLAG_MOD_TYPE(el->flags) == LDB_FLAG_MOD_ADD)) {
776 found = true;
777 break;
780 if (!found) {
781 ret = ldb_msg_add_empty(msg, attr_name, LDB_FLAG_MOD_ADD,
782 &el);
783 if (ret != LDB_SUCCESS) {
784 return ret;
788 vals = talloc_realloc(msg->elements, el->values, struct ldb_val,
789 el->num_values + 1);
790 if (vals == NULL) {
791 return ldb_oom(sam_ldb);
793 el->values = vals;
794 el->values[el->num_values] = val;
795 ++(el->num_values);
797 return LDB_SUCCESS;
801 add a delete attribute value to a message or enhance an existing attribute
802 which has the same name and the delete flag set.
804 int samdb_msg_add_delval(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx,
805 struct ldb_message *msg, const char *attr_name,
806 const char *value)
808 struct ldb_message_element *el;
809 struct ldb_val val, *vals;
810 char *v;
811 unsigned int i;
812 bool found = false;
813 int ret;
815 v = talloc_strdup(mem_ctx, value);
816 if (v == NULL) {
817 return ldb_oom(sam_ldb);
820 val.data = (uint8_t *) v;
821 val.length = strlen(v);
823 if (val.length == 0) {
824 /* allow empty strings as non-existent attributes */
825 return LDB_SUCCESS;
828 for (i = 0; i < msg->num_elements; i++) {
829 el = &msg->elements[i];
830 if ((ldb_attr_cmp(el->name, attr_name) == 0) &&
831 (LDB_FLAG_MOD_TYPE(el->flags) == LDB_FLAG_MOD_DELETE)) {
832 found = true;
833 break;
836 if (!found) {
837 ret = ldb_msg_add_empty(msg, attr_name, LDB_FLAG_MOD_DELETE,
838 &el);
839 if (ret != LDB_SUCCESS) {
840 return ret;
844 vals = talloc_realloc(msg->elements, el->values, struct ldb_val,
845 el->num_values + 1);
846 if (vals == NULL) {
847 return ldb_oom(sam_ldb);
849 el->values = vals;
850 el->values[el->num_values] = val;
851 ++(el->num_values);
853 return LDB_SUCCESS;
857 add a int element to a message
859 int samdb_msg_add_int(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
860 const char *attr_name, int v)
862 const char *s = talloc_asprintf(mem_ctx, "%d", v);
863 if (s == NULL) {
864 return ldb_oom(sam_ldb);
866 return ldb_msg_add_string(msg, attr_name, s);
870 * Add an unsigned int element to a message
872 * The issue here is that we have not yet first cast to int32_t explicitly,
873 * before we cast to an signed int to printf() into the %d or cast to a
874 * int64_t before we then cast to a long long to printf into a %lld.
876 * There are *no* unsigned integers in Active Directory LDAP, even the RID
877 * allocations and ms-DS-Secondary-KrbTgt-Number are *signed* quantities.
878 * (See the schema, and the syntax definitions in schema_syntax.c).
881 int samdb_msg_add_uint(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
882 const char *attr_name, unsigned int v)
884 return samdb_msg_add_int(sam_ldb, mem_ctx, msg, attr_name, (int)v);
888 add a (signed) int64_t element to a message
890 int samdb_msg_add_int64(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
891 const char *attr_name, int64_t v)
893 const char *s = talloc_asprintf(mem_ctx, "%lld", (long long)v);
894 if (s == NULL) {
895 return ldb_oom(sam_ldb);
897 return ldb_msg_add_string(msg, attr_name, s);
901 * Add an unsigned int64_t (uint64_t) element to a message
903 * The issue here is that we have not yet first cast to int32_t explicitly,
904 * before we cast to an signed int to printf() into the %d or cast to a
905 * int64_t before we then cast to a long long to printf into a %lld.
907 * There are *no* unsigned integers in Active Directory LDAP, even the RID
908 * allocations and ms-DS-Secondary-KrbTgt-Number are *signed* quantities.
909 * (See the schema, and the syntax definitions in schema_syntax.c).
912 int samdb_msg_add_uint64(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
913 const char *attr_name, uint64_t v)
915 return samdb_msg_add_int64(sam_ldb, mem_ctx, msg, attr_name, (int64_t)v);
919 add a samr_Password element to a message
921 int samdb_msg_add_hash(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
922 const char *attr_name, const struct samr_Password *hash)
924 struct ldb_val val;
925 val.data = talloc_memdup(mem_ctx, hash->hash, 16);
926 if (!val.data) {
927 return ldb_oom(sam_ldb);
929 val.length = 16;
930 return ldb_msg_add_value(msg, attr_name, &val, NULL);
934 add a samr_Password array to a message
936 int samdb_msg_add_hashes(struct ldb_context *ldb,
937 TALLOC_CTX *mem_ctx, struct ldb_message *msg,
938 const char *attr_name, struct samr_Password *hashes,
939 unsigned int count)
941 struct ldb_val val;
942 unsigned int i;
943 val.data = talloc_array_size(mem_ctx, 16, count);
944 val.length = count*16;
945 if (!val.data) {
946 return ldb_oom(ldb);
948 for (i=0;i<count;i++) {
949 memcpy(i*16 + (char *)val.data, hashes[i].hash, 16);
951 return ldb_msg_add_value(msg, attr_name, &val, NULL);
955 add a acct_flags element to a message
957 int samdb_msg_add_acct_flags(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
958 const char *attr_name, uint32_t v)
960 return samdb_msg_add_uint(sam_ldb, mem_ctx, msg, attr_name, ds_acb2uf(v));
964 add a logon_hours element to a message
966 int samdb_msg_add_logon_hours(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
967 const char *attr_name, struct samr_LogonHours *hours)
969 struct ldb_val val;
970 val.length = hours->units_per_week / 8;
971 val.data = hours->bits;
972 return ldb_msg_add_value(msg, attr_name, &val, NULL);
976 add a parameters element to a message
978 int samdb_msg_add_parameters(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
979 const char *attr_name, struct lsa_BinaryString *parameters)
981 struct ldb_val val;
982 val.length = parameters->length;
983 val.data = (uint8_t *)parameters->array;
984 return ldb_msg_add_value(msg, attr_name, &val, NULL);
988 * Sets an unsigned int element in a message
990 * The issue here is that we have not yet first cast to int32_t explicitly,
991 * before we cast to an signed int to printf() into the %d or cast to a
992 * int64_t before we then cast to a long long to printf into a %lld.
994 * There are *no* unsigned integers in Active Directory LDAP, even the RID
995 * allocations and ms-DS-Secondary-KrbTgt-Number are *signed* quantities.
996 * (See the schema, and the syntax definitions in schema_syntax.c).
999 int samdb_msg_set_uint(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx,
1000 struct ldb_message *msg, const char *attr_name,
1001 unsigned int v)
1003 struct ldb_message_element *el;
1005 el = ldb_msg_find_element(msg, attr_name);
1006 if (el) {
1007 el->num_values = 0;
1009 return samdb_msg_add_uint(sam_ldb, mem_ctx, msg, attr_name, v);
1013 * Handle ldb_request in transaction
1015 static int dsdb_autotransaction_request(struct ldb_context *sam_ldb,
1016 struct ldb_request *req)
1018 int ret;
1020 ret = ldb_transaction_start(sam_ldb);
1021 if (ret != LDB_SUCCESS) {
1022 return ret;
1025 ret = ldb_request(sam_ldb, req);
1026 if (ret == LDB_SUCCESS) {
1027 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
1030 if (ret == LDB_SUCCESS) {
1031 return ldb_transaction_commit(sam_ldb);
1033 ldb_transaction_cancel(sam_ldb);
1035 return ret;
1039 return a default security descriptor
1041 struct security_descriptor *samdb_default_security_descriptor(TALLOC_CTX *mem_ctx)
1043 struct security_descriptor *sd;
1045 sd = security_descriptor_initialise(mem_ctx);
1047 return sd;
1050 struct ldb_dn *samdb_aggregate_schema_dn(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx)
1052 struct ldb_dn *schema_dn = ldb_get_schema_basedn(sam_ctx);
1053 struct ldb_dn *aggregate_dn;
1054 if (!schema_dn) {
1055 return NULL;
1058 aggregate_dn = ldb_dn_copy(mem_ctx, schema_dn);
1059 if (!aggregate_dn) {
1060 return NULL;
1062 if (!ldb_dn_add_child_fmt(aggregate_dn, "CN=Aggregate")) {
1063 return NULL;
1065 return aggregate_dn;
1068 struct ldb_dn *samdb_partitions_dn(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx)
1070 struct ldb_dn *new_dn;
1072 new_dn = ldb_dn_copy(mem_ctx, ldb_get_config_basedn(sam_ctx));
1073 if ( ! ldb_dn_add_child_fmt(new_dn, "CN=Partitions")) {
1074 talloc_free(new_dn);
1075 return NULL;
1077 return new_dn;
1080 struct ldb_dn *samdb_infrastructure_dn(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx)
1082 struct ldb_dn *new_dn;
1084 new_dn = ldb_dn_copy(mem_ctx, ldb_get_default_basedn(sam_ctx));
1085 if ( ! ldb_dn_add_child_fmt(new_dn, "CN=Infrastructure")) {
1086 talloc_free(new_dn);
1087 return NULL;
1089 return new_dn;
1092 struct ldb_dn *samdb_sites_dn(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx)
1094 struct ldb_dn *new_dn;
1096 new_dn = ldb_dn_copy(mem_ctx, ldb_get_config_basedn(sam_ctx));
1097 if ( ! ldb_dn_add_child_fmt(new_dn, "CN=Sites")) {
1098 talloc_free(new_dn);
1099 return NULL;
1101 return new_dn;
1105 work out the domain sid for the current open ldb
1107 const struct dom_sid *samdb_domain_sid(struct ldb_context *ldb)
1109 TALLOC_CTX *tmp_ctx;
1110 const struct dom_sid *domain_sid;
1111 const char *attrs[] = {
1112 "objectSid",
1113 NULL
1115 struct ldb_result *res;
1116 int ret;
1118 /* see if we have a cached copy */
1119 domain_sid = (struct dom_sid *)ldb_get_opaque(ldb, "cache.domain_sid");
1120 if (domain_sid) {
1121 return domain_sid;
1124 tmp_ctx = talloc_new(ldb);
1125 if (tmp_ctx == NULL) {
1126 goto failed;
1129 ret = ldb_search(ldb, tmp_ctx, &res, ldb_get_default_basedn(ldb), LDB_SCOPE_BASE, attrs, "objectSid=*");
1131 if (ret != LDB_SUCCESS) {
1132 goto failed;
1135 if (res->count != 1) {
1136 goto failed;
1139 domain_sid = samdb_result_dom_sid(tmp_ctx, res->msgs[0], "objectSid");
1140 if (domain_sid == NULL) {
1141 goto failed;
1144 /* cache the domain_sid in the ldb */
1145 if (ldb_set_opaque(ldb, "cache.domain_sid", discard_const_p(struct dom_sid, domain_sid)) != LDB_SUCCESS) {
1146 goto failed;
1149 talloc_steal(ldb, domain_sid);
1150 talloc_free(tmp_ctx);
1152 return domain_sid;
1154 failed:
1155 talloc_free(tmp_ctx);
1156 return NULL;
1160 get domain sid from cache
1162 const struct dom_sid *samdb_domain_sid_cache_only(struct ldb_context *ldb)
1164 return (struct dom_sid *)ldb_get_opaque(ldb, "cache.domain_sid");
1167 bool samdb_set_domain_sid(struct ldb_context *ldb, const struct dom_sid *dom_sid_in)
1169 TALLOC_CTX *tmp_ctx;
1170 struct dom_sid *dom_sid_new;
1171 struct dom_sid *dom_sid_old;
1173 /* see if we have a cached copy */
1174 dom_sid_old = talloc_get_type(ldb_get_opaque(ldb,
1175 "cache.domain_sid"), struct dom_sid);
1177 tmp_ctx = talloc_new(ldb);
1178 if (tmp_ctx == NULL) {
1179 goto failed;
1182 dom_sid_new = dom_sid_dup(tmp_ctx, dom_sid_in);
1183 if (!dom_sid_new) {
1184 goto failed;
1187 /* cache the domain_sid in the ldb */
1188 if (ldb_set_opaque(ldb, "cache.domain_sid", dom_sid_new) != LDB_SUCCESS) {
1189 goto failed;
1192 talloc_steal(ldb, dom_sid_new);
1193 talloc_free(tmp_ctx);
1194 talloc_free(dom_sid_old);
1196 return true;
1198 failed:
1199 DEBUG(1,("Failed to set our own cached domain SID in the ldb!\n"));
1200 talloc_free(tmp_ctx);
1201 return false;
1204 bool samdb_set_ntds_settings_dn(struct ldb_context *ldb, struct ldb_dn *ntds_settings_dn_in)
1206 TALLOC_CTX *tmp_ctx;
1207 struct ldb_dn *ntds_settings_dn_new;
1208 struct ldb_dn *ntds_settings_dn_old;
1210 /* see if we have a forced copy from provision */
1211 ntds_settings_dn_old = talloc_get_type(ldb_get_opaque(ldb,
1212 "forced.ntds_settings_dn"), struct ldb_dn);
1214 tmp_ctx = talloc_new(ldb);
1215 if (tmp_ctx == NULL) {
1216 goto failed;
1219 ntds_settings_dn_new = ldb_dn_copy(tmp_ctx, ntds_settings_dn_in);
1220 if (!ntds_settings_dn_new) {
1221 goto failed;
1224 /* set the DN in the ldb to avoid lookups during provision */
1225 if (ldb_set_opaque(ldb, "forced.ntds_settings_dn", ntds_settings_dn_new) != LDB_SUCCESS) {
1226 goto failed;
1229 talloc_steal(ldb, ntds_settings_dn_new);
1230 talloc_free(tmp_ctx);
1231 talloc_free(ntds_settings_dn_old);
1233 return true;
1235 failed:
1236 DEBUG(1,("Failed to set our NTDS Settings DN in the ldb!\n"));
1237 talloc_free(tmp_ctx);
1238 return false;
1242 work out the ntds settings dn for the current open ldb
1244 struct ldb_dn *samdb_ntds_settings_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
1246 TALLOC_CTX *tmp_ctx;
1247 const char *root_attrs[] = { "dsServiceName", NULL };
1248 int ret;
1249 struct ldb_result *root_res;
1250 struct ldb_dn *settings_dn;
1252 /* see if we have a cached copy */
1253 settings_dn = (struct ldb_dn *)ldb_get_opaque(ldb, "forced.ntds_settings_dn");
1254 if (settings_dn) {
1255 return talloc_reference(mem_ctx, settings_dn);
1258 tmp_ctx = talloc_new(mem_ctx);
1259 if (tmp_ctx == NULL) {
1260 goto failed;
1263 ret = ldb_search(ldb, tmp_ctx, &root_res, ldb_dn_new(tmp_ctx, ldb, ""), LDB_SCOPE_BASE, root_attrs, NULL);
1264 if (ret != LDB_SUCCESS) {
1265 DEBUG(1,("Searching for dsServiceName in rootDSE failed: %s\n",
1266 ldb_errstring(ldb)));
1267 goto failed;
1270 if (root_res->count != 1) {
1271 goto failed;
1274 settings_dn = ldb_msg_find_attr_as_dn(ldb, tmp_ctx, root_res->msgs[0], "dsServiceName");
1276 /* note that we do not cache the DN here, as that would mean
1277 * we could not handle server renames at runtime. Only
1278 * provision sets up forced.ntds_settings_dn */
1280 talloc_steal(mem_ctx, settings_dn);
1281 talloc_free(tmp_ctx);
1283 return settings_dn;
1285 failed:
1286 DEBUG(1,("Failed to find our own NTDS Settings DN in the ldb!\n"));
1287 talloc_free(tmp_ctx);
1288 return NULL;
1292 work out the ntds settings invocationId for the current open ldb
1294 const struct GUID *samdb_ntds_invocation_id(struct ldb_context *ldb)
1296 TALLOC_CTX *tmp_ctx;
1297 const char *attrs[] = { "invocationId", NULL };
1298 int ret;
1299 struct ldb_result *res;
1300 struct GUID *invocation_id;
1302 /* see if we have a cached copy */
1303 invocation_id = (struct GUID *)ldb_get_opaque(ldb, "cache.invocation_id");
1304 if (invocation_id) {
1305 return invocation_id;
1308 tmp_ctx = talloc_new(ldb);
1309 if (tmp_ctx == NULL) {
1310 goto failed;
1313 ret = ldb_search(ldb, tmp_ctx, &res, samdb_ntds_settings_dn(ldb, tmp_ctx), LDB_SCOPE_BASE, attrs, NULL);
1314 if (ret) {
1315 goto failed;
1318 if (res->count != 1) {
1319 goto failed;
1322 invocation_id = talloc(tmp_ctx, struct GUID);
1323 if (!invocation_id) {
1324 goto failed;
1327 *invocation_id = samdb_result_guid(res->msgs[0], "invocationId");
1329 /* cache the domain_sid in the ldb */
1330 if (ldb_set_opaque(ldb, "cache.invocation_id", invocation_id) != LDB_SUCCESS) {
1331 goto failed;
1334 talloc_steal(ldb, invocation_id);
1335 talloc_free(tmp_ctx);
1337 return invocation_id;
1339 failed:
1340 DEBUG(1,("Failed to find our own NTDS Settings invocationId in the ldb!\n"));
1341 talloc_free(tmp_ctx);
1342 return NULL;
1345 bool samdb_set_ntds_invocation_id(struct ldb_context *ldb, const struct GUID *invocation_id_in)
1347 TALLOC_CTX *tmp_ctx;
1348 struct GUID *invocation_id_new;
1349 struct GUID *invocation_id_old;
1351 /* see if we have a cached copy */
1352 invocation_id_old = (struct GUID *)ldb_get_opaque(ldb,
1353 "cache.invocation_id");
1355 tmp_ctx = talloc_new(ldb);
1356 if (tmp_ctx == NULL) {
1357 goto failed;
1360 invocation_id_new = talloc(tmp_ctx, struct GUID);
1361 if (!invocation_id_new) {
1362 goto failed;
1365 *invocation_id_new = *invocation_id_in;
1367 /* cache the domain_sid in the ldb */
1368 if (ldb_set_opaque(ldb, "cache.invocation_id", invocation_id_new) != LDB_SUCCESS) {
1369 goto failed;
1372 talloc_steal(ldb, invocation_id_new);
1373 talloc_free(tmp_ctx);
1374 talloc_free(invocation_id_old);
1376 return true;
1378 failed:
1379 DEBUG(1,("Failed to set our own cached invocationId in the ldb!\n"));
1380 talloc_free(tmp_ctx);
1381 return false;
1385 work out the ntds settings objectGUID for the current open ldb
1387 const struct GUID *samdb_ntds_objectGUID(struct ldb_context *ldb)
1389 TALLOC_CTX *tmp_ctx;
1390 const char *attrs[] = { "objectGUID", NULL };
1391 int ret;
1392 struct ldb_result *res;
1393 struct GUID *ntds_guid;
1395 /* see if we have a cached copy */
1396 ntds_guid = (struct GUID *)ldb_get_opaque(ldb, "cache.ntds_guid");
1397 if (ntds_guid) {
1398 return ntds_guid;
1401 tmp_ctx = talloc_new(ldb);
1402 if (tmp_ctx == NULL) {
1403 goto failed;
1406 ret = ldb_search(ldb, tmp_ctx, &res, samdb_ntds_settings_dn(ldb, tmp_ctx), LDB_SCOPE_BASE, attrs, NULL);
1407 if (ret) {
1408 goto failed;
1411 if (res->count != 1) {
1412 goto failed;
1415 ntds_guid = talloc(tmp_ctx, struct GUID);
1416 if (!ntds_guid) {
1417 goto failed;
1420 *ntds_guid = samdb_result_guid(res->msgs[0], "objectGUID");
1422 /* cache the domain_sid in the ldb */
1423 if (ldb_set_opaque(ldb, "cache.ntds_guid", ntds_guid) != LDB_SUCCESS) {
1424 goto failed;
1427 talloc_steal(ldb, ntds_guid);
1428 talloc_free(tmp_ctx);
1430 return ntds_guid;
1432 failed:
1433 DEBUG(1,("Failed to find our own NTDS Settings objectGUID in the ldb!\n"));
1434 talloc_free(tmp_ctx);
1435 return NULL;
1438 bool samdb_set_ntds_objectGUID(struct ldb_context *ldb, const struct GUID *ntds_guid_in)
1440 TALLOC_CTX *tmp_ctx;
1441 struct GUID *ntds_guid_new;
1442 struct GUID *ntds_guid_old;
1444 /* see if we have a cached copy */
1445 ntds_guid_old = (struct GUID *)ldb_get_opaque(ldb, "cache.ntds_guid");
1447 tmp_ctx = talloc_new(ldb);
1448 if (tmp_ctx == NULL) {
1449 goto failed;
1452 ntds_guid_new = talloc(tmp_ctx, struct GUID);
1453 if (!ntds_guid_new) {
1454 goto failed;
1457 *ntds_guid_new = *ntds_guid_in;
1459 /* cache the domain_sid in the ldb */
1460 if (ldb_set_opaque(ldb, "cache.ntds_guid", ntds_guid_new) != LDB_SUCCESS) {
1461 goto failed;
1464 talloc_steal(ldb, ntds_guid_new);
1465 talloc_free(tmp_ctx);
1466 talloc_free(ntds_guid_old);
1468 return true;
1470 failed:
1471 DEBUG(1,("Failed to set our own cached invocationId in the ldb!\n"));
1472 talloc_free(tmp_ctx);
1473 return false;
1477 work out the server dn for the current open ldb
1479 struct ldb_dn *samdb_server_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
1481 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
1482 struct ldb_dn *dn;
1483 if (!tmp_ctx) {
1484 return NULL;
1486 dn = ldb_dn_get_parent(mem_ctx, samdb_ntds_settings_dn(ldb, tmp_ctx));
1487 talloc_free(tmp_ctx);
1488 return dn;
1493 work out the server dn for the current open ldb
1495 struct ldb_dn *samdb_server_site_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
1497 struct ldb_dn *server_dn;
1498 struct ldb_dn *servers_dn;
1499 struct ldb_dn *server_site_dn;
1501 /* TODO: there must be a saner way to do this!! */
1502 server_dn = samdb_server_dn(ldb, mem_ctx);
1503 if (!server_dn) return NULL;
1505 servers_dn = ldb_dn_get_parent(mem_ctx, server_dn);
1506 talloc_free(server_dn);
1507 if (!servers_dn) return NULL;
1509 server_site_dn = ldb_dn_get_parent(mem_ctx, servers_dn);
1510 talloc_free(servers_dn);
1512 return server_site_dn;
1516 find the site name from a computers DN record
1518 int samdb_find_site_for_computer(struct ldb_context *ldb,
1519 TALLOC_CTX *mem_ctx, struct ldb_dn *computer_dn,
1520 const char **site_name)
1522 int ret;
1523 struct ldb_dn *dn;
1524 const struct ldb_val *rdn_val;
1526 *site_name = NULL;
1528 ret = samdb_reference_dn(ldb, mem_ctx, computer_dn, "serverReferenceBL", &dn);
1529 if (ret != LDB_SUCCESS) {
1530 return ret;
1533 if (!ldb_dn_remove_child_components(dn, 2)) {
1534 talloc_free(dn);
1535 return LDB_ERR_INVALID_DN_SYNTAX;
1538 rdn_val = ldb_dn_get_rdn_val(dn);
1539 if (rdn_val == NULL) {
1540 return LDB_ERR_OPERATIONS_ERROR;
1543 (*site_name) = talloc_strndup(mem_ctx, (const char *)rdn_val->data, rdn_val->length);
1544 talloc_free(dn);
1545 if (!*site_name) {
1546 return LDB_ERR_OPERATIONS_ERROR;
1548 return LDB_SUCCESS;
1552 find the NTDS GUID from a computers DN record
1554 int samdb_find_ntdsguid_for_computer(struct ldb_context *ldb, struct ldb_dn *computer_dn,
1555 struct GUID *ntds_guid)
1557 int ret;
1558 struct ldb_dn *dn;
1560 *ntds_guid = GUID_zero();
1562 ret = samdb_reference_dn(ldb, ldb, computer_dn, "serverReferenceBL", &dn);
1563 if (ret != LDB_SUCCESS) {
1564 return ret;
1567 if (!ldb_dn_add_child_fmt(dn, "CN=NTDS Settings")) {
1568 talloc_free(dn);
1569 return LDB_ERR_OPERATIONS_ERROR;
1572 ret = dsdb_find_guid_by_dn(ldb, dn, ntds_guid);
1573 talloc_free(dn);
1574 return ret;
1578 find a 'reference' DN that points at another object
1579 (eg. serverReference, rIDManagerReference etc)
1581 int samdb_reference_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct ldb_dn *base,
1582 const char *attribute, struct ldb_dn **dn)
1584 const char *attrs[2];
1585 struct ldb_result *res;
1586 int ret;
1588 attrs[0] = attribute;
1589 attrs[1] = NULL;
1591 ret = dsdb_search(ldb, mem_ctx, &res, base, LDB_SCOPE_BASE, attrs, DSDB_SEARCH_ONE_ONLY, NULL);
1592 if (ret != LDB_SUCCESS) {
1593 return ret;
1596 *dn = ldb_msg_find_attr_as_dn(ldb, mem_ctx, res->msgs[0], attribute);
1597 if (!*dn) {
1598 if (!ldb_msg_find_element(res->msgs[0], attribute)) {
1599 ldb_asprintf_errstring(ldb, "Cannot find attribute %s of %s to calculate reference dn", attribute,
1600 ldb_dn_get_linearized(base));
1601 } else {
1602 ldb_asprintf_errstring(ldb, "Cannot interpret attribute %s of %s as a dn", attribute,
1603 ldb_dn_get_linearized(base));
1605 talloc_free(res);
1606 return LDB_ERR_NO_SUCH_ATTRIBUTE;
1609 talloc_free(res);
1610 return LDB_SUCCESS;
1614 find our machine account via the serverReference attribute in the
1615 server DN
1617 int samdb_server_reference_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct ldb_dn **dn)
1619 struct ldb_dn *server_dn;
1620 int ret;
1622 server_dn = samdb_server_dn(ldb, mem_ctx);
1623 if (server_dn == NULL) {
1624 return LDB_ERR_NO_SUCH_OBJECT;
1627 ret = samdb_reference_dn(ldb, mem_ctx, server_dn, "serverReference", dn);
1628 talloc_free(server_dn);
1630 return ret;
1634 find the RID Manager$ DN via the rIDManagerReference attribute in the
1635 base DN
1637 int samdb_rid_manager_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct ldb_dn **dn)
1639 return samdb_reference_dn(ldb, mem_ctx, ldb_get_default_basedn(ldb),
1640 "rIDManagerReference", dn);
1644 find the RID Set DN via the rIDSetReferences attribute in our
1645 machine account DN
1647 int samdb_rid_set_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct ldb_dn **dn)
1649 struct ldb_dn *server_ref_dn;
1650 int ret;
1652 ret = samdb_server_reference_dn(ldb, mem_ctx, &server_ref_dn);
1653 if (ret != LDB_SUCCESS) {
1654 return ret;
1656 ret = samdb_reference_dn(ldb, mem_ctx, server_ref_dn, "rIDSetReferences", dn);
1657 talloc_free(server_ref_dn);
1658 return ret;
1661 const char *samdb_server_site_name(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
1663 const struct ldb_val *val = ldb_dn_get_rdn_val(samdb_server_site_dn(ldb,
1664 mem_ctx));
1666 if (val == NULL) {
1667 return NULL;
1670 return (const char *) val->data;
1674 * Finds the client site by using the client's IP address.
1675 * The "subnet_name" returns the name of the subnet if parameter != NULL
1677 const char *samdb_client_site_name(struct ldb_context *ldb, TALLOC_CTX *mem_ctx,
1678 const char *ip_address, char **subnet_name)
1680 const char *attrs[] = { "cn", "siteObject", NULL };
1681 struct ldb_dn *sites_container_dn, *subnets_dn, *sites_dn;
1682 struct ldb_result *res;
1683 const struct ldb_val *val;
1684 const char *site_name = NULL, *l_subnet_name = NULL;
1685 const char *allow_list[2] = { NULL, NULL };
1686 unsigned int i, count;
1687 int cnt, ret;
1690 * if we don't have a client ip e.g. ncalrpc
1691 * the server site is the client site
1693 if (ip_address == NULL) {
1694 return samdb_server_site_name(ldb, mem_ctx);
1697 sites_container_dn = samdb_sites_dn(ldb, mem_ctx);
1698 if (sites_container_dn == NULL) {
1699 return NULL;
1702 subnets_dn = ldb_dn_copy(mem_ctx, sites_container_dn);
1703 if ( ! ldb_dn_add_child_fmt(subnets_dn, "CN=Subnets")) {
1704 talloc_free(sites_container_dn);
1705 talloc_free(subnets_dn);
1706 return NULL;
1709 ret = ldb_search(ldb, mem_ctx, &res, subnets_dn, LDB_SCOPE_ONELEVEL,
1710 attrs, NULL);
1711 if (ret == LDB_ERR_NO_SUCH_OBJECT) {
1712 count = 0;
1713 } else if (ret != LDB_SUCCESS) {
1714 talloc_free(sites_container_dn);
1715 talloc_free(subnets_dn);
1716 return NULL;
1717 } else {
1718 count = res->count;
1721 for (i = 0; i < count; i++) {
1722 l_subnet_name = ldb_msg_find_attr_as_string(res->msgs[i], "cn",
1723 NULL);
1725 allow_list[0] = l_subnet_name;
1727 if (socket_allow_access(mem_ctx, NULL, allow_list, "", ip_address)) {
1728 sites_dn = ldb_msg_find_attr_as_dn(ldb, mem_ctx,
1729 res->msgs[i],
1730 "siteObject");
1731 if (sites_dn == NULL) {
1732 /* No reference, maybe another subnet matches */
1733 continue;
1736 /* "val" cannot be NULL here since "sites_dn" != NULL */
1737 val = ldb_dn_get_rdn_val(sites_dn);
1738 site_name = talloc_strdup(mem_ctx,
1739 (const char *) val->data);
1741 talloc_free(sites_dn);
1743 break;
1747 if (site_name == NULL) {
1748 /* This is the Windows Server fallback rule: when no subnet
1749 * exists and we have only one site available then use it (it
1750 * is for sure the same as our server site). If more sites do
1751 * exist then we don't know which one to use and set the site
1752 * name to "". */
1753 cnt = samdb_search_count(ldb, mem_ctx, sites_container_dn,
1754 "(objectClass=site)");
1755 if (cnt == 1) {
1756 site_name = samdb_server_site_name(ldb, mem_ctx);
1757 } else {
1758 site_name = talloc_strdup(mem_ctx, "");
1760 l_subnet_name = NULL;
1763 if (subnet_name != NULL) {
1764 *subnet_name = talloc_strdup(mem_ctx, l_subnet_name);
1767 talloc_free(sites_container_dn);
1768 talloc_free(subnets_dn);
1769 talloc_free(res);
1771 return site_name;
1775 work out if we are the PDC for the domain of the current open ldb
1777 bool samdb_is_pdc(struct ldb_context *ldb)
1779 const char *dom_attrs[] = { "fSMORoleOwner", NULL };
1780 int ret;
1781 struct ldb_result *dom_res;
1782 TALLOC_CTX *tmp_ctx;
1783 bool is_pdc;
1784 struct ldb_dn *pdc;
1786 tmp_ctx = talloc_new(ldb);
1787 if (tmp_ctx == NULL) {
1788 DEBUG(1, ("talloc_new failed in samdb_is_pdc"));
1789 return false;
1792 ret = ldb_search(ldb, tmp_ctx, &dom_res, ldb_get_default_basedn(ldb), LDB_SCOPE_BASE, dom_attrs, NULL);
1793 if (ret != LDB_SUCCESS) {
1794 DEBUG(1,("Searching for fSMORoleOwner in %s failed: %s\n",
1795 ldb_dn_get_linearized(ldb_get_default_basedn(ldb)),
1796 ldb_errstring(ldb)));
1797 goto failed;
1799 if (dom_res->count != 1) {
1800 goto failed;
1803 pdc = ldb_msg_find_attr_as_dn(ldb, tmp_ctx, dom_res->msgs[0],
1804 "fSMORoleOwner");
1805 if (pdc == NULL) {
1806 goto failed;
1809 if (ldb_dn_compare(samdb_ntds_settings_dn(ldb, tmp_ctx), pdc) == 0) {
1810 is_pdc = true;
1811 } else {
1812 is_pdc = false;
1815 talloc_free(tmp_ctx);
1817 return is_pdc;
1819 failed:
1820 DEBUG(1,("Failed to find if we are the PDC for this ldb\n"));
1821 talloc_free(tmp_ctx);
1822 return false;
1826 work out if we are a Global Catalog server for the domain of the current open ldb
1828 bool samdb_is_gc(struct ldb_context *ldb)
1830 uint32_t options;
1831 if (samdb_ntds_options(ldb, &options) != LDB_SUCCESS) {
1832 return false;
1834 return (options & DS_NTDSDSA_OPT_IS_GC) != 0;
1837 /* Find a domain object in the parents of a particular DN. */
1838 int samdb_search_for_parent_domain(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct ldb_dn *dn,
1839 struct ldb_dn **parent_dn, const char **errstring)
1841 TALLOC_CTX *local_ctx;
1842 struct ldb_dn *sdn = dn;
1843 struct ldb_result *res = NULL;
1844 int ret = LDB_SUCCESS;
1845 const char *attrs[] = { NULL };
1847 local_ctx = talloc_new(mem_ctx);
1848 if (local_ctx == NULL) return ldb_oom(ldb);
1850 while ((sdn = ldb_dn_get_parent(local_ctx, sdn))) {
1851 ret = ldb_search(ldb, local_ctx, &res, sdn, LDB_SCOPE_BASE, attrs,
1852 "(|(objectClass=domain)(objectClass=builtinDomain))");
1853 if (ret == LDB_SUCCESS) {
1854 if (res->count == 1) {
1855 break;
1857 } else {
1858 break;
1862 if (ret != LDB_SUCCESS) {
1863 *errstring = talloc_asprintf(mem_ctx, "Error searching for parent domain of %s, failed searching for %s: %s",
1864 ldb_dn_get_linearized(dn),
1865 ldb_dn_get_linearized(sdn),
1866 ldb_errstring(ldb));
1867 talloc_free(local_ctx);
1868 return ret;
1870 if (res->count != 1) {
1871 *errstring = talloc_asprintf(mem_ctx, "Invalid dn (%s), not child of a domain object",
1872 ldb_dn_get_linearized(dn));
1873 DEBUG(0,(__location__ ": %s\n", *errstring));
1874 talloc_free(local_ctx);
1875 return LDB_ERR_CONSTRAINT_VIOLATION;
1878 *parent_dn = talloc_steal(mem_ctx, res->msgs[0]->dn);
1879 talloc_free(local_ctx);
1880 return ret;
1885 * Performs checks on a user password (plaintext UNIX format - attribute
1886 * "password"). The remaining parameters have to be extracted from the domain
1887 * object in the AD.
1889 * Result codes from "enum samr_ValidationStatus" (consider "samr.idl")
1891 enum samr_ValidationStatus samdb_check_password(const DATA_BLOB *password,
1892 const uint32_t pwdProperties,
1893 const uint32_t minPwdLength)
1895 /* checks if the "minPwdLength" property is satisfied */
1896 if (minPwdLength > password->length)
1897 return SAMR_VALIDATION_STATUS_PWD_TOO_SHORT;
1899 /* checks the password complexity */
1900 if (((pwdProperties & DOMAIN_PASSWORD_COMPLEX) != 0)
1901 && (password->data != NULL)
1902 && (!check_password_quality((const char *) password->data)))
1903 return SAMR_VALIDATION_STATUS_NOT_COMPLEX_ENOUGH;
1905 return SAMR_VALIDATION_STATUS_SUCCESS;
1909 * Callback for "samdb_set_password" password change
1911 int samdb_set_password_callback(struct ldb_request *req, struct ldb_reply *ares)
1913 int ret;
1915 if (!ares) {
1916 return ldb_request_done(req, LDB_ERR_OPERATIONS_ERROR);
1919 if (ares->error != LDB_SUCCESS) {
1920 ret = ares->error;
1921 req->context = talloc_steal(req,
1922 ldb_reply_get_control(ares, DSDB_CONTROL_PASSWORD_CHANGE_STATUS_OID));
1923 talloc_free(ares);
1924 return ldb_request_done(req, ret);
1927 if (ares->type != LDB_REPLY_DONE) {
1928 talloc_free(ares);
1929 return ldb_request_done(req, LDB_ERR_OPERATIONS_ERROR);
1932 req->context = talloc_steal(req,
1933 ldb_reply_get_control(ares, DSDB_CONTROL_PASSWORD_CHANGE_STATUS_OID));
1934 talloc_free(ares);
1935 return ldb_request_done(req, LDB_SUCCESS);
1939 * Sets the user password using plaintext UTF16 (attribute "new_password") or
1940 * LM (attribute "lmNewHash") or NT (attribute "ntNewHash") hash. Also pass
1941 * the old LM and/or NT hash (attributes "lmOldHash"/"ntOldHash") if it is a
1942 * user change or not. The "rejectReason" gives some more information if the
1943 * change failed.
1945 * Results: NT_STATUS_OK, NT_STATUS_INVALID_PARAMETER, NT_STATUS_UNSUCCESSFUL,
1946 * NT_STATUS_WRONG_PASSWORD, NT_STATUS_PASSWORD_RESTRICTION
1948 NTSTATUS samdb_set_password(struct ldb_context *ldb, TALLOC_CTX *mem_ctx,
1949 struct ldb_dn *user_dn, struct ldb_dn *domain_dn,
1950 const DATA_BLOB *new_password,
1951 const struct samr_Password *lmNewHash,
1952 const struct samr_Password *ntNewHash,
1953 const struct samr_Password *lmOldHash,
1954 const struct samr_Password *ntOldHash,
1955 enum samPwdChangeReason *reject_reason,
1956 struct samr_DomInfo1 **_dominfo)
1958 struct ldb_message *msg;
1959 struct ldb_message_element *el;
1960 struct ldb_request *req;
1961 struct dsdb_control_password_change_status *pwd_stat = NULL;
1962 int ret;
1963 NTSTATUS status = NT_STATUS_OK;
1965 #define CHECK_RET(x) \
1966 if (x != LDB_SUCCESS) { \
1967 talloc_free(msg); \
1968 return NT_STATUS_NO_MEMORY; \
1971 msg = ldb_msg_new(mem_ctx);
1972 if (msg == NULL) {
1973 return NT_STATUS_NO_MEMORY;
1975 msg->dn = user_dn;
1976 if ((new_password != NULL)
1977 && ((lmNewHash == NULL) && (ntNewHash == NULL))) {
1978 /* we have the password as plaintext UTF16 */
1979 CHECK_RET(ldb_msg_add_value(msg, "clearTextPassword",
1980 new_password, NULL));
1981 el = ldb_msg_find_element(msg, "clearTextPassword");
1982 el->flags = LDB_FLAG_MOD_REPLACE;
1983 } else if ((new_password == NULL)
1984 && ((lmNewHash != NULL) || (ntNewHash != NULL))) {
1985 /* we have a password as LM and/or NT hash */
1986 if (lmNewHash != NULL) {
1987 CHECK_RET(samdb_msg_add_hash(ldb, mem_ctx, msg,
1988 "dBCSPwd", lmNewHash));
1989 el = ldb_msg_find_element(msg, "dBCSPwd");
1990 el->flags = LDB_FLAG_MOD_REPLACE;
1992 if (ntNewHash != NULL) {
1993 CHECK_RET(samdb_msg_add_hash(ldb, mem_ctx, msg,
1994 "unicodePwd", ntNewHash));
1995 el = ldb_msg_find_element(msg, "unicodePwd");
1996 el->flags = LDB_FLAG_MOD_REPLACE;
1998 } else {
1999 /* the password wasn't specified correctly */
2000 talloc_free(msg);
2001 return NT_STATUS_INVALID_PARAMETER;
2004 /* build modify request */
2005 ret = ldb_build_mod_req(&req, ldb, mem_ctx, msg, NULL, NULL,
2006 samdb_set_password_callback, NULL);
2007 if (ret != LDB_SUCCESS) {
2008 talloc_free(msg);
2009 return NT_STATUS_NO_MEMORY;
2012 /* A password change operation */
2013 if ((ntOldHash != NULL) || (lmOldHash != NULL)) {
2014 struct dsdb_control_password_change *change;
2016 change = talloc(req, struct dsdb_control_password_change);
2017 if (change == NULL) {
2018 talloc_free(req);
2019 talloc_free(msg);
2020 return NT_STATUS_NO_MEMORY;
2023 change->old_nt_pwd_hash = ntOldHash;
2024 change->old_lm_pwd_hash = lmOldHash;
2026 ret = ldb_request_add_control(req,
2027 DSDB_CONTROL_PASSWORD_CHANGE_OID,
2028 true, change);
2029 if (ret != LDB_SUCCESS) {
2030 talloc_free(req);
2031 talloc_free(msg);
2032 return NT_STATUS_NO_MEMORY;
2035 ret = ldb_request_add_control(req,
2036 DSDB_CONTROL_PASSWORD_HASH_VALUES_OID,
2037 true, NULL);
2038 if (ret != LDB_SUCCESS) {
2039 talloc_free(req);
2040 talloc_free(msg);
2041 return NT_STATUS_NO_MEMORY;
2043 ret = ldb_request_add_control(req,
2044 DSDB_CONTROL_PASSWORD_CHANGE_STATUS_OID,
2045 true, NULL);
2046 if (ret != LDB_SUCCESS) {
2047 talloc_free(req);
2048 talloc_free(msg);
2049 return NT_STATUS_NO_MEMORY;
2052 ret = dsdb_autotransaction_request(ldb, req);
2054 if (req->context != NULL) {
2055 pwd_stat = talloc_steal(mem_ctx,
2056 ((struct ldb_control *)req->context)->data);
2059 talloc_free(req);
2060 talloc_free(msg);
2062 /* Sets the domain info (if requested) */
2063 if (_dominfo != NULL) {
2064 struct samr_DomInfo1 *dominfo;
2066 dominfo = talloc_zero(mem_ctx, struct samr_DomInfo1);
2067 if (dominfo == NULL) {
2068 return NT_STATUS_NO_MEMORY;
2071 if (pwd_stat != NULL) {
2072 dominfo->min_password_length = pwd_stat->domain_data.minPwdLength;
2073 dominfo->password_properties = pwd_stat->domain_data.pwdProperties;
2074 dominfo->password_history_length = pwd_stat->domain_data.pwdHistoryLength;
2075 dominfo->max_password_age = pwd_stat->domain_data.maxPwdAge;
2076 dominfo->min_password_age = pwd_stat->domain_data.minPwdAge;
2079 *_dominfo = dominfo;
2082 if (reject_reason != NULL) {
2083 if (pwd_stat != NULL) {
2084 *reject_reason = pwd_stat->reject_reason;
2085 } else {
2086 *reject_reason = SAM_PWD_CHANGE_NO_ERROR;
2090 if (pwd_stat != NULL) {
2091 talloc_free(pwd_stat);
2094 if (ret == LDB_ERR_CONSTRAINT_VIOLATION) {
2095 const char *errmsg = ldb_errstring(ldb);
2096 char *endptr = NULL;
2097 WERROR werr = WERR_GENERAL_FAILURE;
2098 status = NT_STATUS_UNSUCCESSFUL;
2099 if (errmsg != NULL) {
2100 werr = W_ERROR(strtol(errmsg, &endptr, 16));
2102 if (endptr != errmsg) {
2103 if (W_ERROR_EQUAL(werr, WERR_INVALID_PASSWORD)) {
2104 status = NT_STATUS_WRONG_PASSWORD;
2106 if (W_ERROR_EQUAL(werr, WERR_PASSWORD_RESTRICTION)) {
2107 status = NT_STATUS_PASSWORD_RESTRICTION;
2110 } else if (ret == LDB_ERR_NO_SUCH_OBJECT) {
2111 /* don't let the caller know if an account doesn't exist */
2112 status = NT_STATUS_WRONG_PASSWORD;
2113 } else if (ret != LDB_SUCCESS) {
2114 status = NT_STATUS_UNSUCCESSFUL;
2117 return status;
2121 * Sets the user password using plaintext UTF16 (attribute "new_password") or
2122 * LM (attribute "lmNewHash") or NT (attribute "ntNewHash") hash. Also pass
2123 * the old LM and/or NT hash (attributes "lmOldHash"/"ntOldHash") if it is a
2124 * user change or not. The "rejectReason" gives some more information if the
2125 * change failed.
2127 * This wrapper function for "samdb_set_password" takes a SID as input rather
2128 * than a user DN.
2130 * This call encapsulates a new LDB transaction for changing the password;
2131 * therefore the user hasn't to start a new one.
2133 * Results: NT_STATUS_OK, NT_STATUS_INTERNAL_DB_CORRUPTION,
2134 * NT_STATUS_INVALID_PARAMETER, NT_STATUS_UNSUCCESSFUL,
2135 * NT_STATUS_WRONG_PASSWORD, NT_STATUS_PASSWORD_RESTRICTION,
2136 * NT_STATUS_TRANSACTION_ABORTED, NT_STATUS_NO_SUCH_USER
2138 NTSTATUS samdb_set_password_sid(struct ldb_context *ldb, TALLOC_CTX *mem_ctx,
2139 const struct dom_sid *user_sid,
2140 const DATA_BLOB *new_password,
2141 const struct samr_Password *lmNewHash,
2142 const struct samr_Password *ntNewHash,
2143 const struct samr_Password *lmOldHash,
2144 const struct samr_Password *ntOldHash,
2145 enum samPwdChangeReason *reject_reason,
2146 struct samr_DomInfo1 **_dominfo)
2148 NTSTATUS nt_status;
2149 struct ldb_dn *user_dn;
2150 int ret;
2152 ret = ldb_transaction_start(ldb);
2153 if (ret != LDB_SUCCESS) {
2154 DEBUG(1, ("Failed to start transaction: %s\n", ldb_errstring(ldb)));
2155 return NT_STATUS_TRANSACTION_ABORTED;
2158 user_dn = samdb_search_dn(ldb, mem_ctx, NULL,
2159 "(&(objectSid=%s)(objectClass=user))",
2160 ldap_encode_ndr_dom_sid(mem_ctx, user_sid));
2161 if (!user_dn) {
2162 ldb_transaction_cancel(ldb);
2163 DEBUG(3, ("samdb_set_password_sid: SID %s not found in samdb, returning NO_SUCH_USER\n",
2164 dom_sid_string(mem_ctx, user_sid)));
2165 return NT_STATUS_NO_SUCH_USER;
2168 nt_status = samdb_set_password(ldb, mem_ctx,
2169 user_dn, NULL,
2170 new_password,
2171 lmNewHash, ntNewHash,
2172 lmOldHash, ntOldHash,
2173 reject_reason, _dominfo);
2174 if (!NT_STATUS_IS_OK(nt_status)) {
2175 ldb_transaction_cancel(ldb);
2176 talloc_free(user_dn);
2177 return nt_status;
2180 ret = ldb_transaction_commit(ldb);
2181 if (ret != LDB_SUCCESS) {
2182 DEBUG(0,("Failed to commit transaction to change password on %s: %s\n",
2183 ldb_dn_get_linearized(user_dn),
2184 ldb_errstring(ldb)));
2185 talloc_free(user_dn);
2186 return NT_STATUS_TRANSACTION_ABORTED;
2189 talloc_free(user_dn);
2190 return NT_STATUS_OK;
2194 NTSTATUS samdb_create_foreign_security_principal(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx,
2195 struct dom_sid *sid, struct ldb_dn **ret_dn)
2197 struct ldb_message *msg;
2198 struct ldb_dn *basedn;
2199 char *sidstr;
2200 int ret;
2202 sidstr = dom_sid_string(mem_ctx, sid);
2203 NT_STATUS_HAVE_NO_MEMORY(sidstr);
2205 /* We might have to create a ForeignSecurityPrincipal, even if this user
2206 * is in our own domain */
2208 msg = ldb_msg_new(sidstr);
2209 if (msg == NULL) {
2210 talloc_free(sidstr);
2211 return NT_STATUS_NO_MEMORY;
2214 ret = dsdb_wellknown_dn(sam_ctx, sidstr,
2215 ldb_get_default_basedn(sam_ctx),
2216 DS_GUID_FOREIGNSECURITYPRINCIPALS_CONTAINER,
2217 &basedn);
2218 if (ret != LDB_SUCCESS) {
2219 DEBUG(0, ("Failed to find DN for "
2220 "ForeignSecurityPrincipal container - %s\n", ldb_errstring(sam_ctx)));
2221 talloc_free(sidstr);
2222 return NT_STATUS_INTERNAL_DB_CORRUPTION;
2225 /* add core elements to the ldb_message for the alias */
2226 msg->dn = basedn;
2227 if ( ! ldb_dn_add_child_fmt(msg->dn, "CN=%s", sidstr)) {
2228 talloc_free(sidstr);
2229 return NT_STATUS_NO_MEMORY;
2232 ret = ldb_msg_add_string(msg, "objectClass",
2233 "foreignSecurityPrincipal");
2234 if (ret != LDB_SUCCESS) {
2235 talloc_free(sidstr);
2236 return NT_STATUS_NO_MEMORY;
2239 /* create the alias */
2240 ret = ldb_add(sam_ctx, msg);
2241 if (ret != LDB_SUCCESS) {
2242 DEBUG(0,("Failed to create foreignSecurityPrincipal "
2243 "record %s: %s\n",
2244 ldb_dn_get_linearized(msg->dn),
2245 ldb_errstring(sam_ctx)));
2246 talloc_free(sidstr);
2247 return NT_STATUS_INTERNAL_DB_CORRUPTION;
2250 *ret_dn = talloc_steal(mem_ctx, msg->dn);
2251 talloc_free(sidstr);
2253 return NT_STATUS_OK;
2258 Find the DN of a domain, assuming it to be a dotted.dns name
2261 struct ldb_dn *samdb_dns_domain_to_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, const char *dns_domain)
2263 unsigned int i;
2264 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
2265 const char *binary_encoded;
2266 const char * const *split_realm;
2267 struct ldb_dn *dn;
2269 if (!tmp_ctx) {
2270 return NULL;
2273 split_realm = (const char * const *)str_list_make(tmp_ctx, dns_domain, ".");
2274 if (!split_realm) {
2275 talloc_free(tmp_ctx);
2276 return NULL;
2278 dn = ldb_dn_new(mem_ctx, ldb, NULL);
2279 for (i=0; split_realm[i]; i++) {
2280 binary_encoded = ldb_binary_encode_string(tmp_ctx, split_realm[i]);
2281 if (!ldb_dn_add_base_fmt(dn, "dc=%s", binary_encoded)) {
2282 DEBUG(2, ("Failed to add dc=%s element to DN %s\n",
2283 binary_encoded, ldb_dn_get_linearized(dn)));
2284 talloc_free(tmp_ctx);
2285 return NULL;
2288 if (!ldb_dn_validate(dn)) {
2289 DEBUG(2, ("Failed to validated DN %s\n",
2290 ldb_dn_get_linearized(dn)));
2291 talloc_free(tmp_ctx);
2292 return NULL;
2294 talloc_free(tmp_ctx);
2295 return dn;
2300 Find the DNS equivalent of a DN, in dotted DNS form
2302 char *samdb_dn_to_dns_domain(TALLOC_CTX *mem_ctx, struct ldb_dn *dn)
2304 int i, num_components = ldb_dn_get_comp_num(dn);
2305 char *dns_name = talloc_strdup(mem_ctx, "");
2306 if (dns_name == NULL) {
2307 return NULL;
2310 for (i=0; i<num_components; i++) {
2311 const struct ldb_val *v = ldb_dn_get_component_val(dn, i);
2312 char *s;
2313 if (v == NULL) {
2314 talloc_free(dns_name);
2315 return NULL;
2317 s = talloc_asprintf_append_buffer(dns_name, "%*.*s.",
2318 (int)v->length, (int)v->length, (char *)v->data);
2319 if (s == NULL) {
2320 talloc_free(dns_name);
2321 return NULL;
2323 dns_name = s;
2326 /* remove the last '.' */
2327 if (dns_name[0] != 0) {
2328 dns_name[strlen(dns_name)-1] = 0;
2331 return dns_name;
2335 Find the DNS _msdcs name for a given NTDS GUID. The resulting DNS
2336 name is based on the forest DNS name
2338 char *samdb_ntds_msdcs_dns_name(struct ldb_context *samdb,
2339 TALLOC_CTX *mem_ctx,
2340 const struct GUID *ntds_guid)
2342 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
2343 const char *guid_str;
2344 struct ldb_dn *forest_dn;
2345 const char *dnsforest;
2346 char *ret;
2348 guid_str = GUID_string(tmp_ctx, ntds_guid);
2349 if (guid_str == NULL) {
2350 talloc_free(tmp_ctx);
2351 return NULL;
2353 forest_dn = ldb_get_root_basedn(samdb);
2354 if (forest_dn == NULL) {
2355 talloc_free(tmp_ctx);
2356 return NULL;
2358 dnsforest = samdb_dn_to_dns_domain(tmp_ctx, forest_dn);
2359 if (dnsforest == NULL) {
2360 talloc_free(tmp_ctx);
2361 return NULL;
2363 ret = talloc_asprintf(mem_ctx, "%s._msdcs.%s", guid_str, dnsforest);
2364 talloc_free(tmp_ctx);
2365 return ret;
2370 Find the DN of a domain, be it the netbios or DNS name
2372 struct ldb_dn *samdb_domain_to_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx,
2373 const char *domain_name)
2375 const char * const domain_ref_attrs[] = {
2376 "ncName", NULL
2378 const char * const domain_ref2_attrs[] = {
2379 NULL
2381 struct ldb_result *res_domain_ref;
2382 char *escaped_domain = ldb_binary_encode_string(mem_ctx, domain_name);
2383 /* find the domain's DN */
2384 int ret_domain = ldb_search(ldb, mem_ctx,
2385 &res_domain_ref,
2386 samdb_partitions_dn(ldb, mem_ctx),
2387 LDB_SCOPE_ONELEVEL,
2388 domain_ref_attrs,
2389 "(&(nETBIOSName=%s)(objectclass=crossRef))",
2390 escaped_domain);
2391 if (ret_domain != LDB_SUCCESS) {
2392 return NULL;
2395 if (res_domain_ref->count == 0) {
2396 ret_domain = ldb_search(ldb, mem_ctx,
2397 &res_domain_ref,
2398 samdb_dns_domain_to_dn(ldb, mem_ctx, domain_name),
2399 LDB_SCOPE_BASE,
2400 domain_ref2_attrs,
2401 "(objectclass=domain)");
2402 if (ret_domain != LDB_SUCCESS) {
2403 return NULL;
2406 if (res_domain_ref->count == 1) {
2407 return res_domain_ref->msgs[0]->dn;
2409 return NULL;
2412 if (res_domain_ref->count > 1) {
2413 DEBUG(0,("Found %d records matching domain [%s]\n",
2414 ret_domain, domain_name));
2415 return NULL;
2418 return samdb_result_dn(ldb, mem_ctx, res_domain_ref->msgs[0], "nCName", NULL);
2424 use a GUID to find a DN
2426 int dsdb_find_dn_by_guid(struct ldb_context *ldb,
2427 TALLOC_CTX *mem_ctx,
2428 const struct GUID *guid, struct ldb_dn **dn)
2430 int ret;
2431 struct ldb_result *res;
2432 const char *attrs[] = { NULL };
2433 char *guid_str = GUID_string(mem_ctx, guid);
2435 if (!guid_str) {
2436 return ldb_operr(ldb);
2439 ret = dsdb_search(ldb, mem_ctx, &res, NULL, LDB_SCOPE_SUBTREE, attrs,
2440 DSDB_SEARCH_SEARCH_ALL_PARTITIONS |
2441 DSDB_SEARCH_SHOW_EXTENDED_DN |
2442 DSDB_SEARCH_ONE_ONLY,
2443 "objectGUID=%s", guid_str);
2444 talloc_free(guid_str);
2445 if (ret != LDB_SUCCESS) {
2446 return ret;
2449 *dn = talloc_steal(mem_ctx, res->msgs[0]->dn);
2450 talloc_free(res);
2452 return LDB_SUCCESS;
2456 use a DN to find a GUID with a given attribute name
2458 int dsdb_find_guid_attr_by_dn(struct ldb_context *ldb,
2459 struct ldb_dn *dn, const char *attribute,
2460 struct GUID *guid)
2462 int ret;
2463 struct ldb_result *res;
2464 const char *attrs[2];
2465 TALLOC_CTX *tmp_ctx = talloc_new(ldb);
2467 attrs[0] = attribute;
2468 attrs[1] = NULL;
2470 ret = dsdb_search_dn(ldb, tmp_ctx, &res, dn, attrs,
2471 DSDB_SEARCH_SHOW_DELETED |
2472 DSDB_SEARCH_SHOW_RECYCLED);
2473 if (ret != LDB_SUCCESS) {
2474 talloc_free(tmp_ctx);
2475 return ret;
2477 if (res->count < 1) {
2478 talloc_free(tmp_ctx);
2479 return LDB_ERR_NO_SUCH_OBJECT;
2481 *guid = samdb_result_guid(res->msgs[0], attribute);
2482 talloc_free(tmp_ctx);
2483 return LDB_SUCCESS;
2487 use a DN to find a GUID
2489 int dsdb_find_guid_by_dn(struct ldb_context *ldb,
2490 struct ldb_dn *dn, struct GUID *guid)
2492 return dsdb_find_guid_attr_by_dn(ldb, dn, "objectGUID", guid);
2498 adds the given GUID to the given ldb_message. This value is added
2499 for the given attr_name (may be either "objectGUID" or "parentGUID").
2501 int dsdb_msg_add_guid(struct ldb_message *msg,
2502 struct GUID *guid,
2503 const char *attr_name)
2505 int ret;
2506 struct ldb_val v;
2507 NTSTATUS status;
2508 TALLOC_CTX *tmp_ctx = talloc_init("dsdb_msg_add_guid");
2510 status = GUID_to_ndr_blob(guid, tmp_ctx, &v);
2511 if (!NT_STATUS_IS_OK(status)) {
2512 ret = LDB_ERR_OPERATIONS_ERROR;
2513 goto done;
2516 ret = ldb_msg_add_steal_value(msg, attr_name, &v);
2517 if (ret != LDB_SUCCESS) {
2518 DEBUG(4,(__location__ ": Failed to add %s to the message\n",
2519 attr_name));
2520 goto done;
2523 ret = LDB_SUCCESS;
2525 done:
2526 talloc_free(tmp_ctx);
2527 return ret;
2533 use a DN to find a SID
2535 int dsdb_find_sid_by_dn(struct ldb_context *ldb,
2536 struct ldb_dn *dn, struct dom_sid *sid)
2538 int ret;
2539 struct ldb_result *res;
2540 const char *attrs[] = { "objectSid", NULL };
2541 TALLOC_CTX *tmp_ctx = talloc_new(ldb);
2542 struct dom_sid *s;
2544 ZERO_STRUCTP(sid);
2546 ret = dsdb_search_dn(ldb, tmp_ctx, &res, dn, attrs,
2547 DSDB_SEARCH_SHOW_DELETED |
2548 DSDB_SEARCH_SHOW_RECYCLED);
2549 if (ret != LDB_SUCCESS) {
2550 talloc_free(tmp_ctx);
2551 return ret;
2553 if (res->count < 1) {
2554 talloc_free(tmp_ctx);
2555 return LDB_ERR_NO_SUCH_OBJECT;
2557 s = samdb_result_dom_sid(tmp_ctx, res->msgs[0], "objectSid");
2558 if (s == NULL) {
2559 talloc_free(tmp_ctx);
2560 return LDB_ERR_NO_SUCH_OBJECT;
2562 *sid = *s;
2563 talloc_free(tmp_ctx);
2564 return LDB_SUCCESS;
2568 use a SID to find a DN
2570 int dsdb_find_dn_by_sid(struct ldb_context *ldb,
2571 TALLOC_CTX *mem_ctx,
2572 struct dom_sid *sid, struct ldb_dn **dn)
2574 int ret;
2575 struct ldb_result *res;
2576 const char *attrs[] = { NULL };
2577 char *sid_str = ldap_encode_ndr_dom_sid(mem_ctx, sid);
2579 if (!sid_str) {
2580 return ldb_operr(ldb);
2583 ret = dsdb_search(ldb, mem_ctx, &res, NULL, LDB_SCOPE_SUBTREE, attrs,
2584 DSDB_SEARCH_SEARCH_ALL_PARTITIONS |
2585 DSDB_SEARCH_SHOW_EXTENDED_DN |
2586 DSDB_SEARCH_ONE_ONLY,
2587 "objectSid=%s", sid_str);
2588 talloc_free(sid_str);
2589 if (ret != LDB_SUCCESS) {
2590 return ret;
2593 *dn = talloc_steal(mem_ctx, res->msgs[0]->dn);
2594 talloc_free(res);
2596 return LDB_SUCCESS;
2600 load a repsFromTo blob list for a given partition GUID
2601 attr must be "repsFrom" or "repsTo"
2603 WERROR dsdb_loadreps(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx, struct ldb_dn *dn,
2604 const char *attr, struct repsFromToBlob **r, uint32_t *count)
2606 const char *attrs[] = { attr, NULL };
2607 struct ldb_result *res = NULL;
2608 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
2609 unsigned int i;
2610 struct ldb_message_element *el;
2611 int ret;
2613 *r = NULL;
2614 *count = 0;
2616 ret = dsdb_search_dn(sam_ctx, tmp_ctx, &res, dn, attrs, 0);
2617 if (ret == LDB_ERR_NO_SUCH_OBJECT) {
2618 /* partition hasn't been replicated yet */
2619 return WERR_OK;
2621 if (ret != LDB_SUCCESS) {
2622 DEBUG(0,("dsdb_loadreps: failed to read partition object: %s\n", ldb_errstring(sam_ctx)));
2623 talloc_free(tmp_ctx);
2624 return WERR_DS_DRA_INTERNAL_ERROR;
2627 el = ldb_msg_find_element(res->msgs[0], attr);
2628 if (el == NULL) {
2629 /* it's OK to be empty */
2630 talloc_free(tmp_ctx);
2631 return WERR_OK;
2634 *count = el->num_values;
2635 *r = talloc_array(mem_ctx, struct repsFromToBlob, *count);
2636 if (*r == NULL) {
2637 talloc_free(tmp_ctx);
2638 return WERR_DS_DRA_INTERNAL_ERROR;
2641 for (i=0; i<(*count); i++) {
2642 enum ndr_err_code ndr_err;
2643 ndr_err = ndr_pull_struct_blob(&el->values[i],
2644 mem_ctx,
2645 &(*r)[i],
2646 (ndr_pull_flags_fn_t)ndr_pull_repsFromToBlob);
2647 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
2648 talloc_free(tmp_ctx);
2649 return WERR_DS_DRA_INTERNAL_ERROR;
2653 talloc_free(tmp_ctx);
2655 return WERR_OK;
2659 save the repsFromTo blob list for a given partition GUID
2660 attr must be "repsFrom" or "repsTo"
2662 WERROR dsdb_savereps(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx, struct ldb_dn *dn,
2663 const char *attr, struct repsFromToBlob *r, uint32_t count)
2665 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
2666 struct ldb_message *msg;
2667 struct ldb_message_element *el;
2668 unsigned int i;
2670 msg = ldb_msg_new(tmp_ctx);
2671 msg->dn = dn;
2672 if (ldb_msg_add_empty(msg, attr, LDB_FLAG_MOD_REPLACE, &el) != LDB_SUCCESS) {
2673 goto failed;
2676 el->values = talloc_array(msg, struct ldb_val, count);
2677 if (!el->values) {
2678 goto failed;
2681 for (i=0; i<count; i++) {
2682 struct ldb_val v;
2683 enum ndr_err_code ndr_err;
2685 ndr_err = ndr_push_struct_blob(&v, tmp_ctx,
2686 &r[i],
2687 (ndr_push_flags_fn_t)ndr_push_repsFromToBlob);
2688 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
2689 goto failed;
2692 el->num_values++;
2693 el->values[i] = v;
2696 if (dsdb_modify(sam_ctx, msg, 0) != LDB_SUCCESS) {
2697 DEBUG(0,("Failed to store %s - %s\n", attr, ldb_errstring(sam_ctx)));
2698 goto failed;
2701 talloc_free(tmp_ctx);
2703 return WERR_OK;
2705 failed:
2706 talloc_free(tmp_ctx);
2707 return WERR_DS_DRA_INTERNAL_ERROR;
2712 load the uSNHighest and the uSNUrgent attributes from the @REPLCHANGED
2713 object for a partition
2715 int dsdb_load_partition_usn(struct ldb_context *ldb, struct ldb_dn *dn,
2716 uint64_t *uSN, uint64_t *urgent_uSN)
2718 struct ldb_request *req;
2719 int ret;
2720 TALLOC_CTX *tmp_ctx = talloc_new(ldb);
2721 struct dsdb_control_current_partition *p_ctrl;
2722 struct ldb_result *res;
2724 res = talloc_zero(tmp_ctx, struct ldb_result);
2725 if (!res) {
2726 talloc_free(tmp_ctx);
2727 return ldb_oom(ldb);
2730 ret = ldb_build_search_req(&req, ldb, tmp_ctx,
2731 ldb_dn_new(tmp_ctx, ldb, "@REPLCHANGED"),
2732 LDB_SCOPE_BASE,
2733 NULL, NULL,
2734 NULL,
2735 res, ldb_search_default_callback,
2736 NULL);
2737 if (ret != LDB_SUCCESS) {
2738 talloc_free(tmp_ctx);
2739 return ret;
2742 p_ctrl = talloc(req, struct dsdb_control_current_partition);
2743 if (p_ctrl == NULL) {
2744 talloc_free(tmp_ctx);
2745 return ldb_oom(ldb);
2747 p_ctrl->version = DSDB_CONTROL_CURRENT_PARTITION_VERSION;
2748 p_ctrl->dn = dn;
2750 ret = ldb_request_add_control(req,
2751 DSDB_CONTROL_CURRENT_PARTITION_OID,
2752 false, p_ctrl);
2753 if (ret != LDB_SUCCESS) {
2754 talloc_free(tmp_ctx);
2755 return ret;
2758 /* Run the new request */
2759 ret = ldb_request(ldb, req);
2761 if (ret == LDB_SUCCESS) {
2762 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
2765 if (ret == LDB_ERR_NO_SUCH_OBJECT || ret == LDB_ERR_INVALID_DN_SYNTAX) {
2766 /* it hasn't been created yet, which means
2767 an implicit value of zero */
2768 *uSN = 0;
2769 talloc_free(tmp_ctx);
2770 return LDB_SUCCESS;
2773 if (ret != LDB_SUCCESS) {
2774 talloc_free(tmp_ctx);
2775 return ret;
2778 if (res->count < 1) {
2779 *uSN = 0;
2780 if (urgent_uSN) {
2781 *urgent_uSN = 0;
2783 } else {
2784 *uSN = ldb_msg_find_attr_as_uint64(res->msgs[0], "uSNHighest", 0);
2785 if (urgent_uSN) {
2786 *urgent_uSN = ldb_msg_find_attr_as_uint64(res->msgs[0], "uSNUrgent", 0);
2790 talloc_free(tmp_ctx);
2792 return LDB_SUCCESS;
2795 int drsuapi_DsReplicaCursor2_compare(const struct drsuapi_DsReplicaCursor2 *c1,
2796 const struct drsuapi_DsReplicaCursor2 *c2)
2798 return GUID_compare(&c1->source_dsa_invocation_id, &c2->source_dsa_invocation_id);
2801 int drsuapi_DsReplicaCursor_compare(const struct drsuapi_DsReplicaCursor *c1,
2802 const struct drsuapi_DsReplicaCursor *c2)
2804 return GUID_compare(&c1->source_dsa_invocation_id, &c2->source_dsa_invocation_id);
2809 see if a computer identified by its invocationId is a RODC
2811 int samdb_is_rodc(struct ldb_context *sam_ctx, const struct GUID *objectGUID, bool *is_rodc)
2813 /* 1) find the DN for this servers NTDSDSA object
2814 2) search for the msDS-isRODC attribute
2815 3) if not present then not a RODC
2816 4) if present and TRUE then is a RODC
2818 struct ldb_dn *config_dn;
2819 const char *attrs[] = { "msDS-isRODC", NULL };
2820 int ret;
2821 struct ldb_result *res;
2822 TALLOC_CTX *tmp_ctx = talloc_new(sam_ctx);
2824 config_dn = ldb_get_config_basedn(sam_ctx);
2825 if (!config_dn) {
2826 talloc_free(tmp_ctx);
2827 return ldb_operr(sam_ctx);
2830 ret = dsdb_search(sam_ctx, tmp_ctx, &res, config_dn, LDB_SCOPE_SUBTREE, attrs,
2831 DSDB_SEARCH_ONE_ONLY, "objectGUID=%s", GUID_string(tmp_ctx, objectGUID));
2833 if (ret == LDB_ERR_NO_SUCH_OBJECT) {
2834 *is_rodc = false;
2835 talloc_free(tmp_ctx);
2836 return LDB_SUCCESS;
2839 if (ret != LDB_SUCCESS) {
2840 DEBUG(1,(("Failed to find our own NTDS Settings object by objectGUID=%s!\n"),
2841 GUID_string(tmp_ctx, objectGUID)));
2842 *is_rodc = false;
2843 talloc_free(tmp_ctx);
2844 return ret;
2847 ret = ldb_msg_find_attr_as_bool(res->msgs[0], "msDS-isRODC", 0);
2848 *is_rodc = (ret == 1);
2850 talloc_free(tmp_ctx);
2851 return LDB_SUCCESS;
2856 see if we are a RODC
2858 int samdb_rodc(struct ldb_context *sam_ctx, bool *am_rodc)
2860 const struct GUID *objectGUID;
2861 int ret;
2862 bool *cached;
2864 /* see if we have a cached copy */
2865 cached = (bool *)ldb_get_opaque(sam_ctx, "cache.am_rodc");
2866 if (cached) {
2867 *am_rodc = *cached;
2868 return LDB_SUCCESS;
2871 objectGUID = samdb_ntds_objectGUID(sam_ctx);
2872 if (!objectGUID) {
2873 return ldb_operr(sam_ctx);
2876 ret = samdb_is_rodc(sam_ctx, objectGUID, am_rodc);
2877 if (ret != LDB_SUCCESS) {
2878 return ret;
2881 cached = talloc(sam_ctx, bool);
2882 if (cached == NULL) {
2883 return ldb_oom(sam_ctx);
2885 *cached = *am_rodc;
2887 ret = ldb_set_opaque(sam_ctx, "cache.am_rodc", cached);
2888 if (ret != LDB_SUCCESS) {
2889 talloc_free(cached);
2890 return ldb_operr(sam_ctx);
2893 return LDB_SUCCESS;
2896 bool samdb_set_am_rodc(struct ldb_context *ldb, bool am_rodc)
2898 TALLOC_CTX *tmp_ctx;
2899 bool *cached;
2901 tmp_ctx = talloc_new(ldb);
2902 if (tmp_ctx == NULL) {
2903 goto failed;
2906 cached = talloc(tmp_ctx, bool);
2907 if (!cached) {
2908 goto failed;
2911 *cached = am_rodc;
2912 if (ldb_set_opaque(ldb, "cache.am_rodc", cached) != LDB_SUCCESS) {
2913 goto failed;
2916 talloc_steal(ldb, cached);
2917 talloc_free(tmp_ctx);
2918 return true;
2920 failed:
2921 DEBUG(1,("Failed to set our own cached am_rodc in the ldb!\n"));
2922 talloc_free(tmp_ctx);
2923 return false;
2928 * return NTDSSiteSettings options. See MS-ADTS 7.1.1.2.2.1.1
2929 * flags are DS_NTDSSETTINGS_OPT_*
2931 int samdb_ntds_site_settings_options(struct ldb_context *ldb_ctx,
2932 uint32_t *options)
2934 int rc;
2935 TALLOC_CTX *tmp_ctx;
2936 struct ldb_result *res;
2937 struct ldb_dn *site_dn;
2938 const char *attrs[] = { "options", NULL };
2940 tmp_ctx = talloc_new(ldb_ctx);
2941 if (tmp_ctx == NULL)
2942 goto failed;
2944 /* Retrieve the site dn for the ldb that we
2945 * have open. This is our local site.
2947 site_dn = samdb_server_site_dn(ldb_ctx, tmp_ctx);
2948 if (site_dn == NULL)
2949 goto failed;
2951 /* Perform a one level (child) search from the local
2952 * site distinguided name. We're looking for the
2953 * "options" attribute within the nTDSSiteSettings
2954 * object
2956 rc = ldb_search(ldb_ctx, tmp_ctx, &res, site_dn,
2957 LDB_SCOPE_ONELEVEL, attrs,
2958 "objectClass=nTDSSiteSettings");
2960 if (rc != LDB_SUCCESS || res->count != 1)
2961 goto failed;
2963 *options = ldb_msg_find_attr_as_uint(res->msgs[0], "options", 0);
2965 talloc_free(tmp_ctx);
2967 return LDB_SUCCESS;
2969 failed:
2970 DEBUG(1,("Failed to find our NTDS Site Settings options in ldb!\n"));
2971 talloc_free(tmp_ctx);
2972 return LDB_ERR_NO_SUCH_OBJECT;
2976 return NTDS options flags. See MS-ADTS 7.1.1.2.2.1.2.1.1
2978 flags are DS_NTDS_OPTION_*
2980 int samdb_ntds_options(struct ldb_context *ldb, uint32_t *options)
2982 TALLOC_CTX *tmp_ctx;
2983 const char *attrs[] = { "options", NULL };
2984 int ret;
2985 struct ldb_result *res;
2987 tmp_ctx = talloc_new(ldb);
2988 if (tmp_ctx == NULL) {
2989 goto failed;
2992 ret = ldb_search(ldb, tmp_ctx, &res, samdb_ntds_settings_dn(ldb, tmp_ctx), LDB_SCOPE_BASE, attrs, NULL);
2993 if (ret != LDB_SUCCESS) {
2994 goto failed;
2997 if (res->count != 1) {
2998 goto failed;
3001 *options = ldb_msg_find_attr_as_uint(res->msgs[0], "options", 0);
3003 talloc_free(tmp_ctx);
3005 return LDB_SUCCESS;
3007 failed:
3008 DEBUG(1,("Failed to find our own NTDS Settings options in the ldb!\n"));
3009 talloc_free(tmp_ctx);
3010 return LDB_ERR_NO_SUCH_OBJECT;
3013 const char* samdb_ntds_object_category(TALLOC_CTX *tmp_ctx, struct ldb_context *ldb)
3015 const char *attrs[] = { "objectCategory", NULL };
3016 int ret;
3017 struct ldb_result *res;
3019 ret = ldb_search(ldb, tmp_ctx, &res, samdb_ntds_settings_dn(ldb, tmp_ctx), LDB_SCOPE_BASE, attrs, NULL);
3020 if (ret != LDB_SUCCESS) {
3021 goto failed;
3024 if (res->count != 1) {
3025 goto failed;
3028 return ldb_msg_find_attr_as_string(res->msgs[0], "objectCategory", NULL);
3030 failed:
3031 DEBUG(1,("Failed to find our own NTDS Settings objectCategory in the ldb!\n"));
3032 return NULL;
3036 * Function which generates a "lDAPDisplayName" attribute from a "CN" one.
3037 * Algorithm implemented according to MS-ADTS 3.1.1.2.3.4
3039 const char *samdb_cn_to_lDAPDisplayName(TALLOC_CTX *mem_ctx, const char *cn)
3041 char **tokens, *ret;
3042 size_t i;
3044 tokens = str_list_make(mem_ctx, cn, " -_");
3045 if (tokens == NULL)
3046 return NULL;
3048 /* "tolower()" and "toupper()" should also work properly on 0x00 */
3049 tokens[0][0] = tolower(tokens[0][0]);
3050 for (i = 1; i < str_list_length((const char * const *)tokens); i++)
3051 tokens[i][0] = toupper(tokens[i][0]);
3053 ret = talloc_strdup(mem_ctx, tokens[0]);
3054 for (i = 1; i < str_list_length((const char * const *)tokens); i++)
3055 ret = talloc_asprintf_append_buffer(ret, "%s", tokens[i]);
3057 talloc_free(tokens);
3059 return ret;
3063 * This detects and returns the domain functional level (DS_DOMAIN_FUNCTION_*)
3065 int dsdb_functional_level(struct ldb_context *ldb)
3067 int *domainFunctionality =
3068 talloc_get_type(ldb_get_opaque(ldb, "domainFunctionality"), int);
3069 if (!domainFunctionality) {
3070 /* this is expected during initial provision */
3071 DEBUG(4,(__location__ ": WARNING: domainFunctionality not setup\n"));
3072 return DS_DOMAIN_FUNCTION_2000;
3074 return *domainFunctionality;
3078 * This detects and returns the forest functional level (DS_DOMAIN_FUNCTION_*)
3080 int dsdb_forest_functional_level(struct ldb_context *ldb)
3082 int *forestFunctionality =
3083 talloc_get_type(ldb_get_opaque(ldb, "forestFunctionality"), int);
3084 if (!forestFunctionality) {
3085 DEBUG(0,(__location__ ": WARNING: forestFunctionality not setup\n"));
3086 return DS_DOMAIN_FUNCTION_2000;
3088 return *forestFunctionality;
3092 set a GUID in an extended DN structure
3094 int dsdb_set_extended_dn_guid(struct ldb_dn *dn, const struct GUID *guid, const char *component_name)
3096 struct ldb_val v;
3097 NTSTATUS status;
3098 int ret;
3100 status = GUID_to_ndr_blob(guid, dn, &v);
3101 if (!NT_STATUS_IS_OK(status)) {
3102 return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
3105 ret = ldb_dn_set_extended_component(dn, component_name, &v);
3106 data_blob_free(&v);
3107 return ret;
3111 return a GUID from a extended DN structure
3113 NTSTATUS dsdb_get_extended_dn_guid(struct ldb_dn *dn, struct GUID *guid, const char *component_name)
3115 const struct ldb_val *v;
3117 v = ldb_dn_get_extended_component(dn, component_name);
3118 if (v == NULL) {
3119 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
3122 return GUID_from_ndr_blob(v, guid);
3126 return a uint64_t from a extended DN structure
3128 NTSTATUS dsdb_get_extended_dn_uint64(struct ldb_dn *dn, uint64_t *val, const char *component_name)
3130 const struct ldb_val *v;
3131 char *s;
3133 v = ldb_dn_get_extended_component(dn, component_name);
3134 if (v == NULL) {
3135 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
3137 s = talloc_strndup(dn, (const char *)v->data, v->length);
3138 NT_STATUS_HAVE_NO_MEMORY(s);
3140 *val = strtoull(s, NULL, 0);
3142 talloc_free(s);
3143 return NT_STATUS_OK;
3147 return a NTTIME from a extended DN structure
3149 NTSTATUS dsdb_get_extended_dn_nttime(struct ldb_dn *dn, NTTIME *nttime, const char *component_name)
3151 return dsdb_get_extended_dn_uint64(dn, nttime, component_name);
3155 return a uint32_t from a extended DN structure
3157 NTSTATUS dsdb_get_extended_dn_uint32(struct ldb_dn *dn, uint32_t *val, const char *component_name)
3159 const struct ldb_val *v;
3160 char *s;
3162 v = ldb_dn_get_extended_component(dn, component_name);
3163 if (v == NULL) {
3164 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
3167 s = talloc_strndup(dn, (const char *)v->data, v->length);
3168 NT_STATUS_HAVE_NO_MEMORY(s);
3170 *val = strtoul(s, NULL, 0);
3172 talloc_free(s);
3173 return NT_STATUS_OK;
3177 return a dom_sid from a extended DN structure
3179 NTSTATUS dsdb_get_extended_dn_sid(struct ldb_dn *dn, struct dom_sid *sid, const char *component_name)
3181 const struct ldb_val *sid_blob;
3182 struct TALLOC_CTX *tmp_ctx;
3183 enum ndr_err_code ndr_err;
3185 sid_blob = ldb_dn_get_extended_component(dn, component_name);
3186 if (!sid_blob) {
3187 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
3190 tmp_ctx = talloc_new(NULL);
3192 ndr_err = ndr_pull_struct_blob_all(sid_blob, tmp_ctx, sid,
3193 (ndr_pull_flags_fn_t)ndr_pull_dom_sid);
3194 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
3195 NTSTATUS status = ndr_map_error2ntstatus(ndr_err);
3196 talloc_free(tmp_ctx);
3197 return status;
3200 talloc_free(tmp_ctx);
3201 return NT_STATUS_OK;
3206 return RMD_FLAGS directly from a ldb_dn
3207 returns 0 if not found
3209 uint32_t dsdb_dn_rmd_flags(struct ldb_dn *dn)
3211 const struct ldb_val *v;
3212 char buf[32];
3213 v = ldb_dn_get_extended_component(dn, "RMD_FLAGS");
3214 if (!v || v->length > sizeof(buf)-1) return 0;
3215 strncpy(buf, (const char *)v->data, v->length);
3216 buf[v->length] = 0;
3217 return strtoul(buf, NULL, 10);
3221 return RMD_FLAGS directly from a ldb_val for a DN
3222 returns 0 if RMD_FLAGS is not found
3224 uint32_t dsdb_dn_val_rmd_flags(const struct ldb_val *val)
3226 const char *p;
3227 uint32_t flags;
3228 char *end;
3230 if (val->length < 13) {
3231 return 0;
3233 p = memmem(val->data, val->length, "<RMD_FLAGS=", 11);
3234 if (!p) {
3235 return 0;
3237 flags = strtoul(p+11, &end, 10);
3238 if (!end || *end != '>') {
3239 /* it must end in a > */
3240 return 0;
3242 return flags;
3246 return true if a ldb_val containing a DN in storage form is deleted
3248 bool dsdb_dn_is_deleted_val(const struct ldb_val *val)
3250 return (dsdb_dn_val_rmd_flags(val) & DSDB_RMD_FLAG_DELETED) != 0;
3254 return true if a ldb_val containing a DN in storage form is
3255 in the upgraded w2k3 linked attribute format
3257 bool dsdb_dn_is_upgraded_link_val(struct ldb_val *val)
3259 return memmem(val->data, val->length, "<RMD_VERSION=", 13) != NULL;
3263 return a DN for a wellknown GUID
3265 int dsdb_wellknown_dn(struct ldb_context *samdb, TALLOC_CTX *mem_ctx,
3266 struct ldb_dn *nc_root, const char *wk_guid,
3267 struct ldb_dn **wkguid_dn)
3269 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
3270 const char *attrs[] = { NULL };
3271 int ret;
3272 struct ldb_dn *dn;
3273 struct ldb_result *res;
3275 /* construct the magic WKGUID DN */
3276 dn = ldb_dn_new_fmt(tmp_ctx, samdb, "<WKGUID=%s,%s>",
3277 wk_guid, ldb_dn_get_linearized(nc_root));
3278 if (!wkguid_dn) {
3279 talloc_free(tmp_ctx);
3280 return ldb_operr(samdb);
3283 ret = dsdb_search_dn(samdb, tmp_ctx, &res, dn, attrs,
3284 DSDB_SEARCH_SHOW_DELETED |
3285 DSDB_SEARCH_SHOW_RECYCLED);
3286 if (ret != LDB_SUCCESS) {
3287 talloc_free(tmp_ctx);
3288 return ret;
3291 (*wkguid_dn) = talloc_steal(mem_ctx, res->msgs[0]->dn);
3292 talloc_free(tmp_ctx);
3293 return LDB_SUCCESS;
3297 static int dsdb_dn_compare_ptrs(struct ldb_dn **dn1, struct ldb_dn **dn2)
3299 return ldb_dn_compare(*dn1, *dn2);
3303 find a NC root given a DN within the NC
3305 int dsdb_find_nc_root(struct ldb_context *samdb, TALLOC_CTX *mem_ctx, struct ldb_dn *dn,
3306 struct ldb_dn **nc_root)
3308 const char *root_attrs[] = { "namingContexts", NULL };
3309 TALLOC_CTX *tmp_ctx;
3310 int ret;
3311 struct ldb_message_element *el;
3312 struct ldb_result *root_res;
3313 unsigned int i;
3314 struct ldb_dn **nc_dns;
3316 tmp_ctx = talloc_new(samdb);
3317 if (tmp_ctx == NULL) {
3318 return ldb_oom(samdb);
3321 ret = ldb_search(samdb, tmp_ctx, &root_res,
3322 ldb_dn_new(tmp_ctx, samdb, ""), LDB_SCOPE_BASE, root_attrs, NULL);
3323 if (ret != LDB_SUCCESS) {
3324 DEBUG(1,("Searching for namingContexts in rootDSE failed: %s\n", ldb_errstring(samdb)));
3325 talloc_free(tmp_ctx);
3326 return ret;
3329 el = ldb_msg_find_element(root_res->msgs[0], "namingContexts");
3330 if ((el == NULL) || (el->num_values < 3)) {
3331 struct ldb_message *tmp_msg;
3333 DEBUG(5,("dsdb_find_nc_root: Finding a valid 'namingContexts' element in the RootDSE failed. Using a temporary list."));
3335 /* This generates a temporary list of NCs in order to let the
3336 * provisioning work. */
3337 tmp_msg = ldb_msg_new(tmp_ctx);
3338 if (tmp_msg == NULL) {
3339 talloc_free(tmp_ctx);
3340 return ldb_oom(samdb);
3342 ret = ldb_msg_add_steal_string(tmp_msg, "namingContexts",
3343 ldb_dn_alloc_linearized(tmp_msg, ldb_get_schema_basedn(samdb)));
3344 if (ret != LDB_SUCCESS) {
3345 talloc_free(tmp_ctx);
3346 return ret;
3348 ret = ldb_msg_add_steal_string(tmp_msg, "namingContexts",
3349 ldb_dn_alloc_linearized(tmp_msg, ldb_get_config_basedn(samdb)));
3350 if (ret != LDB_SUCCESS) {
3351 talloc_free(tmp_ctx);
3352 return ret;
3354 ret = ldb_msg_add_steal_string(tmp_msg, "namingContexts",
3355 ldb_dn_alloc_linearized(tmp_msg, ldb_get_default_basedn(samdb)));
3356 if (ret != LDB_SUCCESS) {
3357 talloc_free(tmp_ctx);
3358 return ret;
3360 el = &tmp_msg->elements[0];
3363 nc_dns = talloc_array(tmp_ctx, struct ldb_dn *, el->num_values);
3364 if (!nc_dns) {
3365 talloc_free(tmp_ctx);
3366 return ldb_oom(samdb);
3369 for (i=0; i<el->num_values; i++) {
3370 nc_dns[i] = ldb_dn_from_ldb_val(nc_dns, samdb, &el->values[i]);
3371 if (nc_dns[i] == NULL) {
3372 talloc_free(tmp_ctx);
3373 return ldb_operr(samdb);
3377 TYPESAFE_QSORT(nc_dns, el->num_values, dsdb_dn_compare_ptrs);
3379 for (i=0; i<el->num_values; i++) {
3380 if (ldb_dn_compare_base(nc_dns[i], dn) == 0) {
3381 (*nc_root) = talloc_steal(mem_ctx, nc_dns[i]);
3382 talloc_free(tmp_ctx);
3383 return LDB_SUCCESS;
3387 talloc_free(tmp_ctx);
3388 return LDB_ERR_NO_SUCH_OBJECT;
3393 find the deleted objects DN for any object, by looking for the NC
3394 root, then looking up the wellknown GUID
3396 int dsdb_get_deleted_objects_dn(struct ldb_context *ldb,
3397 TALLOC_CTX *mem_ctx, struct ldb_dn *obj_dn,
3398 struct ldb_dn **do_dn)
3400 struct ldb_dn *nc_root;
3401 int ret;
3403 ret = dsdb_find_nc_root(ldb, mem_ctx, obj_dn, &nc_root);
3404 if (ret != LDB_SUCCESS) {
3405 return ret;
3408 ret = dsdb_wellknown_dn(ldb, mem_ctx, nc_root, DS_GUID_DELETED_OBJECTS_CONTAINER, do_dn);
3409 talloc_free(nc_root);
3410 return ret;
3414 return the tombstoneLifetime, in days
3416 int dsdb_tombstone_lifetime(struct ldb_context *ldb, uint32_t *lifetime)
3418 struct ldb_dn *dn;
3419 dn = ldb_get_config_basedn(ldb);
3420 if (!dn) {
3421 return LDB_ERR_NO_SUCH_OBJECT;
3423 dn = ldb_dn_copy(ldb, dn);
3424 if (!dn) {
3425 return ldb_operr(ldb);
3427 /* see MS-ADTS section 7.1.1.2.4.1.1. There doesn't appear to
3428 be a wellknown GUID for this */
3429 if (!ldb_dn_add_child_fmt(dn, "CN=Directory Service,CN=Windows NT,CN=Services")) {
3430 talloc_free(dn);
3431 return ldb_operr(ldb);
3434 *lifetime = samdb_search_uint(ldb, dn, 180, dn, "tombstoneLifetime", "objectClass=nTDSService");
3435 talloc_free(dn);
3436 return LDB_SUCCESS;
3440 compare a ldb_val to a string case insensitively
3442 int samdb_ldb_val_case_cmp(const char *s, struct ldb_val *v)
3444 size_t len = strlen(s);
3445 int ret;
3446 if (len > v->length) return 1;
3447 ret = strncasecmp(s, (const char *)v->data, v->length);
3448 if (ret != 0) return ret;
3449 if (v->length > len && v->data[len] != 0) {
3450 return -1;
3452 return 0;
3457 load the UDV for a partition in v2 format
3458 The list is returned sorted, and with our local cursor added
3460 int dsdb_load_udv_v2(struct ldb_context *samdb, struct ldb_dn *dn, TALLOC_CTX *mem_ctx,
3461 struct drsuapi_DsReplicaCursor2 **cursors, uint32_t *count)
3463 static const char *attrs[] = { "replUpToDateVector", NULL };
3464 struct ldb_result *r;
3465 const struct ldb_val *ouv_value;
3466 unsigned int i;
3467 int ret;
3468 uint64_t highest_usn;
3469 const struct GUID *our_invocation_id;
3470 struct timeval now = timeval_current();
3472 ret = ldb_search(samdb, mem_ctx, &r, dn, LDB_SCOPE_BASE, attrs, NULL);
3473 if (ret != LDB_SUCCESS) {
3474 return ret;
3477 ouv_value = ldb_msg_find_ldb_val(r->msgs[0], "replUpToDateVector");
3478 if (ouv_value) {
3479 enum ndr_err_code ndr_err;
3480 struct replUpToDateVectorBlob ouv;
3482 ndr_err = ndr_pull_struct_blob(ouv_value, r, &ouv,
3483 (ndr_pull_flags_fn_t)ndr_pull_replUpToDateVectorBlob);
3484 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
3485 talloc_free(r);
3486 return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
3488 if (ouv.version != 2) {
3489 /* we always store as version 2, and
3490 * replUpToDateVector is not replicated
3492 return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
3495 *count = ouv.ctr.ctr2.count;
3496 *cursors = talloc_steal(mem_ctx, ouv.ctr.ctr2.cursors);
3497 } else {
3498 *count = 0;
3499 *cursors = NULL;
3502 talloc_free(r);
3504 our_invocation_id = samdb_ntds_invocation_id(samdb);
3505 if (!our_invocation_id) {
3506 DEBUG(0,(__location__ ": No invocationID on samdb - %s\n", ldb_errstring(samdb)));
3507 talloc_free(*cursors);
3508 return ldb_operr(samdb);
3511 ret = dsdb_load_partition_usn(samdb, dn, &highest_usn, NULL);
3512 if (ret != LDB_SUCCESS) {
3513 /* nothing to add - this can happen after a vampire */
3514 TYPESAFE_QSORT(*cursors, *count, drsuapi_DsReplicaCursor2_compare);
3515 return LDB_SUCCESS;
3518 for (i=0; i<*count; i++) {
3519 if (GUID_equal(our_invocation_id, &(*cursors)[i].source_dsa_invocation_id)) {
3520 (*cursors)[i].highest_usn = highest_usn;
3521 (*cursors)[i].last_sync_success = timeval_to_nttime(&now);
3522 TYPESAFE_QSORT(*cursors, *count, drsuapi_DsReplicaCursor2_compare);
3523 return LDB_SUCCESS;
3527 (*cursors) = talloc_realloc(mem_ctx, *cursors, struct drsuapi_DsReplicaCursor2, (*count)+1);
3528 if (! *cursors) {
3529 return ldb_oom(samdb);
3532 (*cursors)[*count].source_dsa_invocation_id = *our_invocation_id;
3533 (*cursors)[*count].highest_usn = highest_usn;
3534 (*cursors)[*count].last_sync_success = timeval_to_nttime(&now);
3535 (*count)++;
3537 TYPESAFE_QSORT(*cursors, *count, drsuapi_DsReplicaCursor2_compare);
3539 return LDB_SUCCESS;
3543 load the UDV for a partition in version 1 format
3544 The list is returned sorted, and with our local cursor added
3546 int dsdb_load_udv_v1(struct ldb_context *samdb, struct ldb_dn *dn, TALLOC_CTX *mem_ctx,
3547 struct drsuapi_DsReplicaCursor **cursors, uint32_t *count)
3549 struct drsuapi_DsReplicaCursor2 *v2;
3550 uint32_t i;
3551 int ret;
3553 ret = dsdb_load_udv_v2(samdb, dn, mem_ctx, &v2, count);
3554 if (ret != LDB_SUCCESS) {
3555 return ret;
3558 if (*count == 0) {
3559 talloc_free(v2);
3560 *cursors = NULL;
3561 return LDB_SUCCESS;
3564 *cursors = talloc_array(mem_ctx, struct drsuapi_DsReplicaCursor, *count);
3565 if (*cursors == NULL) {
3566 talloc_free(v2);
3567 return ldb_oom(samdb);
3570 for (i=0; i<*count; i++) {
3571 (*cursors)[i].source_dsa_invocation_id = v2[i].source_dsa_invocation_id;
3572 (*cursors)[i].highest_usn = v2[i].highest_usn;
3574 talloc_free(v2);
3575 return LDB_SUCCESS;
3579 add a set of controls to a ldb_request structure based on a set of
3580 flags. See util.h for a list of available flags
3582 int dsdb_request_add_controls(struct ldb_request *req, uint32_t dsdb_flags)
3584 int ret;
3585 if (dsdb_flags & DSDB_SEARCH_SEARCH_ALL_PARTITIONS) {
3586 struct ldb_search_options_control *options;
3587 /* Using the phantom root control allows us to search all partitions */
3588 options = talloc(req, struct ldb_search_options_control);
3589 if (options == NULL) {
3590 return LDB_ERR_OPERATIONS_ERROR;
3592 options->search_options = LDB_SEARCH_OPTION_PHANTOM_ROOT;
3594 ret = ldb_request_add_control(req,
3595 LDB_CONTROL_SEARCH_OPTIONS_OID,
3596 true, options);
3597 if (ret != LDB_SUCCESS) {
3598 return ret;
3602 if (dsdb_flags & DSDB_SEARCH_NO_GLOBAL_CATALOG) {
3603 ret = ldb_request_add_control(req,
3604 DSDB_CONTROL_NO_GLOBAL_CATALOG,
3605 false, NULL);
3606 if (ret != LDB_SUCCESS) {
3607 return ret;
3611 if (dsdb_flags & DSDB_SEARCH_SHOW_DELETED) {
3612 ret = ldb_request_add_control(req, LDB_CONTROL_SHOW_DELETED_OID, true, NULL);
3613 if (ret != LDB_SUCCESS) {
3614 return ret;
3618 if (dsdb_flags & DSDB_SEARCH_SHOW_RECYCLED) {
3619 ret = ldb_request_add_control(req, LDB_CONTROL_SHOW_RECYCLED_OID, false, NULL);
3620 if (ret != LDB_SUCCESS) {
3621 return ret;
3625 if (dsdb_flags & DSDB_SEARCH_SHOW_DN_IN_STORAGE_FORMAT) {
3626 ret = ldb_request_add_control(req, DSDB_CONTROL_DN_STORAGE_FORMAT_OID, false, NULL);
3627 if (ret != LDB_SUCCESS) {
3628 return ret;
3632 if (dsdb_flags & DSDB_SEARCH_SHOW_EXTENDED_DN) {
3633 struct ldb_extended_dn_control *extended_ctrl = talloc(req, struct ldb_extended_dn_control);
3634 if (!extended_ctrl) {
3635 return LDB_ERR_OPERATIONS_ERROR;
3637 extended_ctrl->type = 1;
3639 ret = ldb_request_add_control(req, LDB_CONTROL_EXTENDED_DN_OID, true, extended_ctrl);
3640 if (ret != LDB_SUCCESS) {
3641 return ret;
3645 if (dsdb_flags & DSDB_SEARCH_REVEAL_INTERNALS) {
3646 ret = ldb_request_add_control(req, LDB_CONTROL_REVEAL_INTERNALS, false, NULL);
3647 if (ret != LDB_SUCCESS) {
3648 return ret;
3652 if (dsdb_flags & DSDB_MODIFY_RELAX) {
3653 ret = ldb_request_add_control(req, LDB_CONTROL_RELAX_OID, false, NULL);
3654 if (ret != LDB_SUCCESS) {
3655 return ret;
3659 if (dsdb_flags & DSDB_MODIFY_PERMISSIVE) {
3660 ret = ldb_request_add_control(req, LDB_CONTROL_PERMISSIVE_MODIFY_OID, false, NULL);
3661 if (ret != LDB_SUCCESS) {
3662 return ret;
3666 if (dsdb_flags & DSDB_FLAG_AS_SYSTEM) {
3667 ret = ldb_request_add_control(req, LDB_CONTROL_AS_SYSTEM_OID, false, NULL);
3668 if (ret != LDB_SUCCESS) {
3669 return ret;
3673 if (dsdb_flags & DSDB_TREE_DELETE) {
3674 ret = ldb_request_add_control(req, LDB_CONTROL_TREE_DELETE_OID, false, NULL);
3675 if (ret != LDB_SUCCESS) {
3676 return ret;
3680 if (dsdb_flags & DSDB_PROVISION) {
3681 ret = ldb_request_add_control(req, LDB_CONTROL_PROVISION_OID, false, NULL);
3682 if (ret != LDB_SUCCESS) {
3683 return ret;
3687 /* This is a special control to bypass the password_hash module for use in pdb_samba4 for Samba3 upgrades */
3688 if (dsdb_flags & DSDB_BYPASS_PASSWORD_HASH) {
3689 ret = ldb_request_add_control(req, DSDB_CONTROL_BYPASS_PASSWORD_HASH_OID, true, NULL);
3690 if (ret != LDB_SUCCESS) {
3691 return ret;
3695 if (dsdb_flags & DSDB_PASSWORD_BYPASS_LAST_SET) {
3697 * This must not be critical, as it will only be
3698 * handled (and need to be handled) if the other
3699 * attributes in the request bring password_hash into
3700 * action
3702 ret = ldb_request_add_control(req, DSDB_CONTROL_PASSWORD_BYPASS_LAST_SET_OID, false, NULL);
3703 if (ret != LDB_SUCCESS) {
3704 return ret;
3708 if (dsdb_flags & DSDB_MODIFY_PARTIAL_REPLICA) {
3709 ret = ldb_request_add_control(req, DSDB_CONTROL_PARTIAL_REPLICA, false, NULL);
3710 if (ret != LDB_SUCCESS) {
3711 return ret;
3715 return LDB_SUCCESS;
3719 an add with a set of controls
3721 int dsdb_add(struct ldb_context *ldb, const struct ldb_message *message,
3722 uint32_t dsdb_flags)
3724 struct ldb_request *req;
3725 int ret;
3727 ret = ldb_build_add_req(&req, ldb, ldb,
3728 message,
3729 NULL,
3730 NULL,
3731 ldb_op_default_callback,
3732 NULL);
3734 if (ret != LDB_SUCCESS) return ret;
3736 ret = dsdb_request_add_controls(req, dsdb_flags);
3737 if (ret != LDB_SUCCESS) {
3738 talloc_free(req);
3739 return ret;
3742 ret = dsdb_autotransaction_request(ldb, req);
3744 talloc_free(req);
3745 return ret;
3749 a modify with a set of controls
3751 int dsdb_modify(struct ldb_context *ldb, const struct ldb_message *message,
3752 uint32_t dsdb_flags)
3754 struct ldb_request *req;
3755 int ret;
3757 ret = ldb_build_mod_req(&req, ldb, ldb,
3758 message,
3759 NULL,
3760 NULL,
3761 ldb_op_default_callback,
3762 NULL);
3764 if (ret != LDB_SUCCESS) return ret;
3766 ret = dsdb_request_add_controls(req, dsdb_flags);
3767 if (ret != LDB_SUCCESS) {
3768 talloc_free(req);
3769 return ret;
3772 ret = dsdb_autotransaction_request(ldb, req);
3774 talloc_free(req);
3775 return ret;
3779 a delete with a set of flags
3781 int dsdb_delete(struct ldb_context *ldb, struct ldb_dn *dn,
3782 uint32_t dsdb_flags)
3784 struct ldb_request *req;
3785 int ret;
3787 ret = ldb_build_del_req(&req, ldb, ldb,
3789 NULL,
3790 NULL,
3791 ldb_op_default_callback,
3792 NULL);
3794 if (ret != LDB_SUCCESS) return ret;
3796 ret = dsdb_request_add_controls(req, dsdb_flags);
3797 if (ret != LDB_SUCCESS) {
3798 talloc_free(req);
3799 return ret;
3802 ret = dsdb_autotransaction_request(ldb, req);
3804 talloc_free(req);
3805 return ret;
3809 like dsdb_modify() but set all the element flags to
3810 LDB_FLAG_MOD_REPLACE
3812 int dsdb_replace(struct ldb_context *ldb, struct ldb_message *msg, uint32_t dsdb_flags)
3814 unsigned int i;
3816 /* mark all the message elements as LDB_FLAG_MOD_REPLACE */
3817 for (i=0;i<msg->num_elements;i++) {
3818 msg->elements[i].flags = LDB_FLAG_MOD_REPLACE;
3821 return dsdb_modify(ldb, msg, dsdb_flags);
3826 search for attrs on one DN, allowing for dsdb_flags controls
3828 int dsdb_search_dn(struct ldb_context *ldb,
3829 TALLOC_CTX *mem_ctx,
3830 struct ldb_result **_res,
3831 struct ldb_dn *basedn,
3832 const char * const *attrs,
3833 uint32_t dsdb_flags)
3835 int ret;
3836 struct ldb_request *req;
3837 struct ldb_result *res;
3839 res = talloc_zero(mem_ctx, struct ldb_result);
3840 if (!res) {
3841 return ldb_oom(ldb);
3844 ret = ldb_build_search_req(&req, ldb, res,
3845 basedn,
3846 LDB_SCOPE_BASE,
3847 NULL,
3848 attrs,
3849 NULL,
3850 res,
3851 ldb_search_default_callback,
3852 NULL);
3853 if (ret != LDB_SUCCESS) {
3854 talloc_free(res);
3855 return ret;
3858 ret = dsdb_request_add_controls(req, dsdb_flags);
3859 if (ret != LDB_SUCCESS) {
3860 talloc_free(res);
3861 return ret;
3864 ret = ldb_request(ldb, req);
3865 if (ret == LDB_SUCCESS) {
3866 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
3869 talloc_free(req);
3870 if (ret != LDB_SUCCESS) {
3871 talloc_free(res);
3872 return ret;
3875 *_res = res;
3876 return LDB_SUCCESS;
3880 search for attrs on one DN, by the GUID of the DN, allowing for
3881 dsdb_flags controls
3883 int dsdb_search_by_dn_guid(struct ldb_context *ldb,
3884 TALLOC_CTX *mem_ctx,
3885 struct ldb_result **_res,
3886 const struct GUID *guid,
3887 const char * const *attrs,
3888 uint32_t dsdb_flags)
3890 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
3891 struct ldb_dn *dn;
3892 int ret;
3894 dn = ldb_dn_new_fmt(tmp_ctx, ldb, "<GUID=%s>", GUID_string(tmp_ctx, guid));
3895 if (dn == NULL) {
3896 talloc_free(tmp_ctx);
3897 return ldb_oom(ldb);
3900 ret = dsdb_search_dn(ldb, mem_ctx, _res, dn, attrs, dsdb_flags);
3901 talloc_free(tmp_ctx);
3902 return ret;
3906 general search with dsdb_flags for controls
3908 int dsdb_search(struct ldb_context *ldb,
3909 TALLOC_CTX *mem_ctx,
3910 struct ldb_result **_res,
3911 struct ldb_dn *basedn,
3912 enum ldb_scope scope,
3913 const char * const *attrs,
3914 uint32_t dsdb_flags,
3915 const char *exp_fmt, ...) _PRINTF_ATTRIBUTE(8, 9)
3917 int ret;
3918 struct ldb_request *req;
3919 struct ldb_result *res;
3920 va_list ap;
3921 char *expression = NULL;
3922 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
3924 /* cross-partitions searches with a basedn break multi-domain support */
3925 SMB_ASSERT(basedn == NULL || (dsdb_flags & DSDB_SEARCH_SEARCH_ALL_PARTITIONS) == 0);
3927 res = talloc_zero(tmp_ctx, struct ldb_result);
3928 if (!res) {
3929 talloc_free(tmp_ctx);
3930 return ldb_oom(ldb);
3933 if (exp_fmt) {
3934 va_start(ap, exp_fmt);
3935 expression = talloc_vasprintf(tmp_ctx, exp_fmt, ap);
3936 va_end(ap);
3938 if (!expression) {
3939 talloc_free(tmp_ctx);
3940 return ldb_oom(ldb);
3944 ret = ldb_build_search_req(&req, ldb, tmp_ctx,
3945 basedn,
3946 scope,
3947 expression,
3948 attrs,
3949 NULL,
3950 res,
3951 ldb_search_default_callback,
3952 NULL);
3953 if (ret != LDB_SUCCESS) {
3954 talloc_free(tmp_ctx);
3955 return ret;
3958 ret = dsdb_request_add_controls(req, dsdb_flags);
3959 if (ret != LDB_SUCCESS) {
3960 talloc_free(tmp_ctx);
3961 ldb_reset_err_string(ldb);
3962 return ret;
3965 ret = ldb_request(ldb, req);
3966 if (ret == LDB_SUCCESS) {
3967 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
3970 if (ret != LDB_SUCCESS) {
3971 talloc_free(tmp_ctx);
3972 return ret;
3975 if (dsdb_flags & DSDB_SEARCH_ONE_ONLY) {
3976 if (res->count == 0) {
3977 talloc_free(tmp_ctx);
3978 ldb_reset_err_string(ldb);
3979 return LDB_ERR_NO_SUCH_OBJECT;
3981 if (res->count != 1) {
3982 talloc_free(tmp_ctx);
3983 ldb_reset_err_string(ldb);
3984 return LDB_ERR_CONSTRAINT_VIOLATION;
3988 *_res = talloc_steal(mem_ctx, res);
3989 talloc_free(tmp_ctx);
3991 return LDB_SUCCESS;
3996 general search with dsdb_flags for controls
3997 returns exactly 1 record or an error
3999 int dsdb_search_one(struct ldb_context *ldb,
4000 TALLOC_CTX *mem_ctx,
4001 struct ldb_message **msg,
4002 struct ldb_dn *basedn,
4003 enum ldb_scope scope,
4004 const char * const *attrs,
4005 uint32_t dsdb_flags,
4006 const char *exp_fmt, ...) _PRINTF_ATTRIBUTE(8, 9)
4008 int ret;
4009 struct ldb_result *res;
4010 va_list ap;
4011 char *expression = NULL;
4012 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
4014 dsdb_flags |= DSDB_SEARCH_ONE_ONLY;
4016 res = talloc_zero(tmp_ctx, struct ldb_result);
4017 if (!res) {
4018 talloc_free(tmp_ctx);
4019 return ldb_oom(ldb);
4022 if (exp_fmt) {
4023 va_start(ap, exp_fmt);
4024 expression = talloc_vasprintf(tmp_ctx, exp_fmt, ap);
4025 va_end(ap);
4027 if (!expression) {
4028 talloc_free(tmp_ctx);
4029 return ldb_oom(ldb);
4031 ret = dsdb_search(ldb, tmp_ctx, &res, basedn, scope, attrs,
4032 dsdb_flags, "%s", expression);
4033 } else {
4034 ret = dsdb_search(ldb, tmp_ctx, &res, basedn, scope, attrs,
4035 dsdb_flags, NULL);
4038 if (ret != LDB_SUCCESS) {
4039 talloc_free(tmp_ctx);
4040 return ret;
4043 *msg = talloc_steal(mem_ctx, res->msgs[0]);
4044 talloc_free(tmp_ctx);
4046 return LDB_SUCCESS;
4049 /* returns back the forest DNS name */
4050 const char *samdb_forest_name(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
4052 const char *forest_name = ldb_dn_canonical_string(mem_ctx,
4053 ldb_get_root_basedn(ldb));
4054 char *p;
4056 if (forest_name == NULL) {
4057 return NULL;
4060 p = strchr(forest_name, '/');
4061 if (p) {
4062 *p = '\0';
4065 return forest_name;
4068 /* returns back the default domain DNS name */
4069 const char *samdb_default_domain_name(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
4071 const char *domain_name = ldb_dn_canonical_string(mem_ctx,
4072 ldb_get_default_basedn(ldb));
4073 char *p;
4075 if (domain_name == NULL) {
4076 return NULL;
4079 p = strchr(domain_name, '/');
4080 if (p) {
4081 *p = '\0';
4084 return domain_name;
4088 validate that an DSA GUID belongs to the specified user sid.
4089 The user SID must be a domain controller account (either RODC or
4090 RWDC)
4092 int dsdb_validate_dsa_guid(struct ldb_context *ldb,
4093 const struct GUID *dsa_guid,
4094 const struct dom_sid *sid)
4096 /* strategy:
4097 - find DN of record with the DSA GUID in the
4098 configuration partition (objectGUID)
4099 - remove "NTDS Settings" component from DN
4100 - do a base search on that DN for serverReference with
4101 extended-dn enabled
4102 - extract objectSid from resulting serverReference
4103 attribute
4104 - check this sid matches the sid argument
4106 struct ldb_dn *config_dn;
4107 TALLOC_CTX *tmp_ctx = talloc_new(ldb);
4108 struct ldb_message *msg;
4109 const char *attrs1[] = { NULL };
4110 const char *attrs2[] = { "serverReference", NULL };
4111 int ret;
4112 struct ldb_dn *dn, *account_dn;
4113 struct dom_sid sid2;
4114 NTSTATUS status;
4116 config_dn = ldb_get_config_basedn(ldb);
4118 ret = dsdb_search_one(ldb, tmp_ctx, &msg, config_dn, LDB_SCOPE_SUBTREE,
4119 attrs1, 0, "(&(objectGUID=%s)(objectClass=nTDSDSA))", GUID_string(tmp_ctx, dsa_guid));
4120 if (ret != LDB_SUCCESS) {
4121 DEBUG(1,(__location__ ": Failed to find DSA objectGUID %s for sid %s\n",
4122 GUID_string(tmp_ctx, dsa_guid), dom_sid_string(tmp_ctx, sid)));
4123 talloc_free(tmp_ctx);
4124 return ldb_operr(ldb);
4126 dn = msg->dn;
4128 if (!ldb_dn_remove_child_components(dn, 1)) {
4129 talloc_free(tmp_ctx);
4130 return ldb_operr(ldb);
4133 ret = dsdb_search_one(ldb, tmp_ctx, &msg, dn, LDB_SCOPE_BASE,
4134 attrs2, DSDB_SEARCH_SHOW_EXTENDED_DN,
4135 "(objectClass=server)");
4136 if (ret != LDB_SUCCESS) {
4137 DEBUG(1,(__location__ ": Failed to find server record for DSA with objectGUID %s, sid %s\n",
4138 GUID_string(tmp_ctx, dsa_guid), dom_sid_string(tmp_ctx, sid)));
4139 talloc_free(tmp_ctx);
4140 return ldb_operr(ldb);
4143 account_dn = ldb_msg_find_attr_as_dn(ldb, tmp_ctx, msg, "serverReference");
4144 if (account_dn == NULL) {
4145 DEBUG(1,(__location__ ": Failed to find account_dn for DSA with objectGUID %s, sid %s\n",
4146 GUID_string(tmp_ctx, dsa_guid), dom_sid_string(tmp_ctx, sid)));
4147 talloc_free(tmp_ctx);
4148 return ldb_operr(ldb);
4151 status = dsdb_get_extended_dn_sid(account_dn, &sid2, "SID");
4152 if (!NT_STATUS_IS_OK(status)) {
4153 DEBUG(1,(__location__ ": Failed to find SID for DSA with objectGUID %s, sid %s\n",
4154 GUID_string(tmp_ctx, dsa_guid), dom_sid_string(tmp_ctx, sid)));
4155 talloc_free(tmp_ctx);
4156 return ldb_operr(ldb);
4159 if (!dom_sid_equal(sid, &sid2)) {
4160 /* someone is trying to spoof another account */
4161 DEBUG(0,(__location__ ": Bad DSA objectGUID %s for sid %s - expected sid %s\n",
4162 GUID_string(tmp_ctx, dsa_guid),
4163 dom_sid_string(tmp_ctx, sid),
4164 dom_sid_string(tmp_ctx, &sid2)));
4165 talloc_free(tmp_ctx);
4166 return ldb_operr(ldb);
4169 talloc_free(tmp_ctx);
4170 return LDB_SUCCESS;
4173 static const char * const secret_attributes[] = {
4174 DSDB_SECRET_ATTRIBUTES,
4175 NULL
4179 check if the attribute belongs to the RODC filtered attribute set
4180 Note that attributes that are in the filtered attribute set are the
4181 ones that _are_ always sent to a RODC
4183 bool dsdb_attr_in_rodc_fas(const struct dsdb_attribute *sa)
4185 /* they never get secret attributes */
4186 if (is_attr_in_list(secret_attributes, sa->lDAPDisplayName)) {
4187 return false;
4190 /* they do get non-secret critical attributes */
4191 if (sa->schemaFlagsEx & SCHEMA_FLAG_ATTR_IS_CRITICAL) {
4192 return true;
4195 /* they do get non-secret attributes marked as being in the FAS */
4196 if (sa->searchFlags & SEARCH_FLAG_RODC_ATTRIBUTE) {
4197 return true;
4200 /* other attributes are denied */
4201 return false;
4204 /* return fsmo role dn and role owner dn for a particular role*/
4205 WERROR dsdb_get_fsmo_role_info(TALLOC_CTX *tmp_ctx,
4206 struct ldb_context *ldb,
4207 uint32_t role,
4208 struct ldb_dn **fsmo_role_dn,
4209 struct ldb_dn **role_owner_dn)
4211 int ret;
4212 switch (role) {
4213 case DREPL_NAMING_MASTER:
4214 *fsmo_role_dn = samdb_partitions_dn(ldb, tmp_ctx);
4215 ret = samdb_reference_dn(ldb, tmp_ctx, *fsmo_role_dn, "fSMORoleOwner", role_owner_dn);
4216 if (ret != LDB_SUCCESS) {
4217 DEBUG(0,(__location__ ": Failed to find fSMORoleOwner in Naming Master object - %s",
4218 ldb_errstring(ldb)));
4219 talloc_free(tmp_ctx);
4220 return WERR_DS_DRA_INTERNAL_ERROR;
4222 break;
4223 case DREPL_INFRASTRUCTURE_MASTER:
4224 *fsmo_role_dn = samdb_infrastructure_dn(ldb, tmp_ctx);
4225 ret = samdb_reference_dn(ldb, tmp_ctx, *fsmo_role_dn, "fSMORoleOwner", role_owner_dn);
4226 if (ret != LDB_SUCCESS) {
4227 DEBUG(0,(__location__ ": Failed to find fSMORoleOwner in Schema Master object - %s",
4228 ldb_errstring(ldb)));
4229 talloc_free(tmp_ctx);
4230 return WERR_DS_DRA_INTERNAL_ERROR;
4232 break;
4233 case DREPL_RID_MASTER:
4234 ret = samdb_rid_manager_dn(ldb, tmp_ctx, fsmo_role_dn);
4235 if (ret != LDB_SUCCESS) {
4236 DEBUG(0, (__location__ ": Failed to find RID Manager object - %s", ldb_errstring(ldb)));
4237 talloc_free(tmp_ctx);
4238 return WERR_DS_DRA_INTERNAL_ERROR;
4241 ret = samdb_reference_dn(ldb, tmp_ctx, *fsmo_role_dn, "fSMORoleOwner", role_owner_dn);
4242 if (ret != LDB_SUCCESS) {
4243 DEBUG(0,(__location__ ": Failed to find fSMORoleOwner in RID Manager object - %s",
4244 ldb_errstring(ldb)));
4245 talloc_free(tmp_ctx);
4246 return WERR_DS_DRA_INTERNAL_ERROR;
4248 break;
4249 case DREPL_SCHEMA_MASTER:
4250 *fsmo_role_dn = ldb_get_schema_basedn(ldb);
4251 ret = samdb_reference_dn(ldb, tmp_ctx, *fsmo_role_dn, "fSMORoleOwner", role_owner_dn);
4252 if (ret != LDB_SUCCESS) {
4253 DEBUG(0,(__location__ ": Failed to find fSMORoleOwner in Schema Master object - %s",
4254 ldb_errstring(ldb)));
4255 talloc_free(tmp_ctx);
4256 return WERR_DS_DRA_INTERNAL_ERROR;
4258 break;
4259 case DREPL_PDC_MASTER:
4260 *fsmo_role_dn = ldb_get_default_basedn(ldb);
4261 ret = samdb_reference_dn(ldb, tmp_ctx, *fsmo_role_dn, "fSMORoleOwner", role_owner_dn);
4262 if (ret != LDB_SUCCESS) {
4263 DEBUG(0,(__location__ ": Failed to find fSMORoleOwner in Pd Master object - %s",
4264 ldb_errstring(ldb)));
4265 talloc_free(tmp_ctx);
4266 return WERR_DS_DRA_INTERNAL_ERROR;
4268 break;
4269 default:
4270 return WERR_DS_DRA_INTERNAL_ERROR;
4272 return WERR_OK;
4275 const char *samdb_dn_to_dnshostname(struct ldb_context *ldb,
4276 TALLOC_CTX *mem_ctx,
4277 struct ldb_dn *server_dn)
4279 int ldb_ret;
4280 struct ldb_result *res = NULL;
4281 const char * const attrs[] = { "dNSHostName", NULL};
4283 ldb_ret = ldb_search(ldb, mem_ctx, &res,
4284 server_dn,
4285 LDB_SCOPE_BASE,
4286 attrs, NULL);
4287 if (ldb_ret != LDB_SUCCESS) {
4288 DEBUG(4, ("Failed to find dNSHostName for dn %s, ldb error: %s",
4289 ldb_dn_get_linearized(server_dn), ldb_errstring(ldb)));
4290 return NULL;
4293 return ldb_msg_find_attr_as_string(res->msgs[0], "dNSHostName", NULL);
4297 returns true if an attribute is in the filter,
4298 false otherwise, provided that attribute value is provided with the expression
4300 bool dsdb_attr_in_parse_tree(struct ldb_parse_tree *tree,
4301 const char *attr)
4303 unsigned int i;
4304 switch (tree->operation) {
4305 case LDB_OP_AND:
4306 case LDB_OP_OR:
4307 for (i=0;i<tree->u.list.num_elements;i++) {
4308 if (dsdb_attr_in_parse_tree(tree->u.list.elements[i],
4309 attr))
4310 return true;
4312 return false;
4313 case LDB_OP_NOT:
4314 return dsdb_attr_in_parse_tree(tree->u.isnot.child, attr);
4315 case LDB_OP_EQUALITY:
4316 case LDB_OP_GREATER:
4317 case LDB_OP_LESS:
4318 case LDB_OP_APPROX:
4319 if (ldb_attr_cmp(tree->u.equality.attr, attr) == 0) {
4320 return true;
4322 return false;
4323 case LDB_OP_SUBSTRING:
4324 if (ldb_attr_cmp(tree->u.substring.attr, attr) == 0) {
4325 return true;
4327 return false;
4328 case LDB_OP_PRESENT:
4329 /* (attrname=*) is not filtered out */
4330 return false;
4331 case LDB_OP_EXTENDED:
4332 if (tree->u.extended.attr &&
4333 ldb_attr_cmp(tree->u.extended.attr, attr) == 0) {
4334 return true;
4336 return false;
4338 return false;
4341 bool is_attr_in_list(const char * const * attrs, const char *attr)
4343 unsigned int i;
4345 for (i = 0; attrs[i]; i++) {
4346 if (ldb_attr_cmp(attrs[i], attr) == 0)
4347 return true;
4350 return false;
4355 map an ldb error code to an approximate NTSTATUS code
4357 NTSTATUS dsdb_ldb_err_to_ntstatus(int err)
4359 switch (err) {
4360 case LDB_SUCCESS:
4361 return NT_STATUS_OK;
4363 case LDB_ERR_PROTOCOL_ERROR:
4364 return NT_STATUS_DEVICE_PROTOCOL_ERROR;
4366 case LDB_ERR_TIME_LIMIT_EXCEEDED:
4367 return NT_STATUS_IO_TIMEOUT;
4369 case LDB_ERR_SIZE_LIMIT_EXCEEDED:
4370 return NT_STATUS_BUFFER_TOO_SMALL;
4372 case LDB_ERR_COMPARE_FALSE:
4373 case LDB_ERR_COMPARE_TRUE:
4374 return NT_STATUS_REVISION_MISMATCH;
4376 case LDB_ERR_AUTH_METHOD_NOT_SUPPORTED:
4377 return NT_STATUS_NOT_SUPPORTED;
4379 case LDB_ERR_STRONG_AUTH_REQUIRED:
4380 case LDB_ERR_CONFIDENTIALITY_REQUIRED:
4381 case LDB_ERR_SASL_BIND_IN_PROGRESS:
4382 case LDB_ERR_INAPPROPRIATE_AUTHENTICATION:
4383 case LDB_ERR_INVALID_CREDENTIALS:
4384 case LDB_ERR_INSUFFICIENT_ACCESS_RIGHTS:
4385 case LDB_ERR_UNWILLING_TO_PERFORM:
4386 return NT_STATUS_ACCESS_DENIED;
4388 case LDB_ERR_NO_SUCH_OBJECT:
4389 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
4391 case LDB_ERR_REFERRAL:
4392 case LDB_ERR_NO_SUCH_ATTRIBUTE:
4393 return NT_STATUS_NOT_FOUND;
4395 case LDB_ERR_UNSUPPORTED_CRITICAL_EXTENSION:
4396 return NT_STATUS_NOT_SUPPORTED;
4398 case LDB_ERR_ADMIN_LIMIT_EXCEEDED:
4399 return NT_STATUS_BUFFER_TOO_SMALL;
4401 case LDB_ERR_UNDEFINED_ATTRIBUTE_TYPE:
4402 case LDB_ERR_INAPPROPRIATE_MATCHING:
4403 case LDB_ERR_CONSTRAINT_VIOLATION:
4404 case LDB_ERR_INVALID_ATTRIBUTE_SYNTAX:
4405 case LDB_ERR_INVALID_DN_SYNTAX:
4406 case LDB_ERR_NAMING_VIOLATION:
4407 case LDB_ERR_OBJECT_CLASS_VIOLATION:
4408 case LDB_ERR_NOT_ALLOWED_ON_NON_LEAF:
4409 case LDB_ERR_NOT_ALLOWED_ON_RDN:
4410 return NT_STATUS_INVALID_PARAMETER;
4412 case LDB_ERR_ATTRIBUTE_OR_VALUE_EXISTS:
4413 case LDB_ERR_ENTRY_ALREADY_EXISTS:
4414 return NT_STATUS_ERROR_DS_OBJ_STRING_NAME_EXISTS;
4416 case LDB_ERR_BUSY:
4417 return NT_STATUS_NETWORK_BUSY;
4419 case LDB_ERR_ALIAS_PROBLEM:
4420 case LDB_ERR_ALIAS_DEREFERENCING_PROBLEM:
4421 case LDB_ERR_UNAVAILABLE:
4422 case LDB_ERR_LOOP_DETECT:
4423 case LDB_ERR_OBJECT_CLASS_MODS_PROHIBITED:
4424 case LDB_ERR_AFFECTS_MULTIPLE_DSAS:
4425 case LDB_ERR_OTHER:
4426 case LDB_ERR_OPERATIONS_ERROR:
4427 break;
4429 return NT_STATUS_UNSUCCESSFUL;
4434 create a new naming context that will hold a partial replica
4436 int dsdb_create_partial_replica_NC(struct ldb_context *ldb, struct ldb_dn *dn)
4438 TALLOC_CTX *tmp_ctx = talloc_new(ldb);
4439 struct ldb_message *msg;
4440 int ret;
4442 msg = ldb_msg_new(tmp_ctx);
4443 if (msg == NULL) {
4444 talloc_free(tmp_ctx);
4445 return ldb_oom(ldb);
4448 msg->dn = dn;
4449 ret = ldb_msg_add_string(msg, "objectClass", "top");
4450 if (ret != LDB_SUCCESS) {
4451 talloc_free(tmp_ctx);
4452 return ldb_oom(ldb);
4455 /* [MS-DRSR] implies that we should only add the 'top'
4456 * objectclass, but that would cause lots of problems with our
4457 * objectclass code as top is not structural, so we add
4458 * 'domainDNS' as well to keep things sane. We're expecting
4459 * this new NC to be of objectclass domainDNS after
4460 * replication anyway
4462 ret = ldb_msg_add_string(msg, "objectClass", "domainDNS");
4463 if (ret != LDB_SUCCESS) {
4464 talloc_free(tmp_ctx);
4465 return ldb_oom(ldb);
4468 ret = ldb_msg_add_fmt(msg, "instanceType", "%u",
4469 INSTANCE_TYPE_IS_NC_HEAD|
4470 INSTANCE_TYPE_NC_ABOVE|
4471 INSTANCE_TYPE_UNINSTANT);
4472 if (ret != LDB_SUCCESS) {
4473 talloc_free(tmp_ctx);
4474 return ldb_oom(ldb);
4477 ret = dsdb_add(ldb, msg, DSDB_MODIFY_PARTIAL_REPLICA);
4478 if (ret != LDB_SUCCESS && ret != LDB_ERR_ENTRY_ALREADY_EXISTS) {
4479 DEBUG(0,("Failed to create new NC for %s - %s (%s)\n",
4480 ldb_dn_get_linearized(dn),
4481 ldb_errstring(ldb), ldb_strerror(ret)));
4482 talloc_free(tmp_ctx);
4483 return ret;
4486 DEBUG(1,("Created new NC for %s\n", ldb_dn_get_linearized(dn)));
4488 talloc_free(tmp_ctx);
4489 return LDB_SUCCESS;
4493 build a GUID from a string
4495 _PUBLIC_ NTSTATUS NS_GUID_from_string(const char *s, struct GUID *guid)
4497 NTSTATUS status = NT_STATUS_INVALID_PARAMETER;
4498 uint32_t time_low;
4499 uint32_t time_mid, time_hi_and_version;
4500 uint32_t clock_seq[2];
4501 uint32_t node[6];
4502 int i;
4504 if (s == NULL) {
4505 return NT_STATUS_INVALID_PARAMETER;
4508 if (11 == sscanf(s, "%08x-%04x%04x-%02x%02x%02x%02x-%02x%02x%02x%02x",
4509 &time_low, &time_mid, &time_hi_and_version,
4510 &clock_seq[0], &clock_seq[1],
4511 &node[0], &node[1], &node[2], &node[3], &node[4], &node[5])) {
4512 status = NT_STATUS_OK;
4515 if (!NT_STATUS_IS_OK(status)) {
4516 return status;
4519 guid->time_low = time_low;
4520 guid->time_mid = time_mid;
4521 guid->time_hi_and_version = time_hi_and_version;
4522 guid->clock_seq[0] = clock_seq[0];
4523 guid->clock_seq[1] = clock_seq[1];
4524 for (i=0;i<6;i++) {
4525 guid->node[i] = node[i];
4528 return NT_STATUS_OK;
4531 _PUBLIC_ char *NS_GUID_string(TALLOC_CTX *mem_ctx, const struct GUID *guid)
4533 return talloc_asprintf(mem_ctx,
4534 "%08x-%04x%04x-%02x%02x%02x%02x-%02x%02x%02x%02x",
4535 guid->time_low, guid->time_mid,
4536 guid->time_hi_and_version,
4537 guid->clock_seq[0],
4538 guid->clock_seq[1],
4539 guid->node[0], guid->node[1],
4540 guid->node[2], guid->node[3],
4541 guid->node[4], guid->node[5]);