s4-auth-krb: Move function to db-glue.c and make it static.
[Samba/vl.git] / source4 / dsdb / common / util.c
blob67589abed0bf72b6d54d2e616f8f7861e0737e64
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)
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 settings_dn;
1258 tmp_ctx = talloc_new(ldb);
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(ldb, 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), 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), 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 return ldb_dn_get_parent(mem_ctx, samdb_ntds_settings_dn(ldb));
1485 work out the server dn for the current open ldb
1487 struct ldb_dn *samdb_server_site_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
1489 struct ldb_dn *server_dn;
1490 struct ldb_dn *servers_dn;
1491 struct ldb_dn *server_site_dn;
1493 /* TODO: there must be a saner way to do this!! */
1494 server_dn = samdb_server_dn(ldb, mem_ctx);
1495 if (!server_dn) return NULL;
1497 servers_dn = ldb_dn_get_parent(mem_ctx, server_dn);
1498 talloc_free(server_dn);
1499 if (!servers_dn) return NULL;
1501 server_site_dn = ldb_dn_get_parent(mem_ctx, servers_dn);
1502 talloc_free(servers_dn);
1504 return server_site_dn;
1508 find the site name from a computers DN record
1510 int samdb_find_site_for_computer(struct ldb_context *ldb,
1511 TALLOC_CTX *mem_ctx, struct ldb_dn *computer_dn,
1512 const char **site_name)
1514 int ret;
1515 struct ldb_dn *dn;
1516 const struct ldb_val *rdn_val;
1518 *site_name = NULL;
1520 ret = samdb_reference_dn(ldb, mem_ctx, computer_dn, "serverReferenceBL", &dn);
1521 if (ret != LDB_SUCCESS) {
1522 return ret;
1525 if (!ldb_dn_remove_child_components(dn, 2)) {
1526 talloc_free(dn);
1527 return LDB_ERR_INVALID_DN_SYNTAX;
1530 rdn_val = ldb_dn_get_rdn_val(dn);
1531 if (rdn_val == NULL) {
1532 return LDB_ERR_OPERATIONS_ERROR;
1535 (*site_name) = talloc_strndup(mem_ctx, (const char *)rdn_val->data, rdn_val->length);
1536 talloc_free(dn);
1537 if (!*site_name) {
1538 return LDB_ERR_OPERATIONS_ERROR;
1540 return LDB_SUCCESS;
1544 find the NTDS GUID from a computers DN record
1546 int samdb_find_ntdsguid_for_computer(struct ldb_context *ldb, struct ldb_dn *computer_dn,
1547 struct GUID *ntds_guid)
1549 int ret;
1550 struct ldb_dn *dn;
1552 *ntds_guid = GUID_zero();
1554 ret = samdb_reference_dn(ldb, ldb, computer_dn, "serverReferenceBL", &dn);
1555 if (ret != LDB_SUCCESS) {
1556 return ret;
1559 if (!ldb_dn_add_child_fmt(dn, "CN=NTDS Settings")) {
1560 talloc_free(dn);
1561 return LDB_ERR_OPERATIONS_ERROR;
1564 ret = dsdb_find_guid_by_dn(ldb, dn, ntds_guid);
1565 talloc_free(dn);
1566 return ret;
1570 find a 'reference' DN that points at another object
1571 (eg. serverReference, rIDManagerReference etc)
1573 int samdb_reference_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct ldb_dn *base,
1574 const char *attribute, struct ldb_dn **dn)
1576 const char *attrs[2];
1577 struct ldb_result *res;
1578 int ret;
1580 attrs[0] = attribute;
1581 attrs[1] = NULL;
1583 ret = dsdb_search(ldb, mem_ctx, &res, base, LDB_SCOPE_BASE, attrs, DSDB_SEARCH_ONE_ONLY, NULL);
1584 if (ret != LDB_SUCCESS) {
1585 return ret;
1588 *dn = ldb_msg_find_attr_as_dn(ldb, mem_ctx, res->msgs[0], attribute);
1589 if (!*dn) {
1590 if (!ldb_msg_find_element(res->msgs[0], attribute)) {
1591 ldb_asprintf_errstring(ldb, "Cannot find attribute %s of %s to calculate reference dn", attribute,
1592 ldb_dn_get_linearized(base));
1593 } else {
1594 ldb_asprintf_errstring(ldb, "Cannot interpret attribute %s of %s as a dn", attribute,
1595 ldb_dn_get_linearized(base));
1597 talloc_free(res);
1598 return LDB_ERR_NO_SUCH_ATTRIBUTE;
1601 talloc_free(res);
1602 return LDB_SUCCESS;
1606 find our machine account via the serverReference attribute in the
1607 server DN
1609 int samdb_server_reference_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct ldb_dn **dn)
1611 struct ldb_dn *server_dn;
1612 int ret;
1614 server_dn = samdb_server_dn(ldb, mem_ctx);
1615 if (server_dn == NULL) {
1616 return LDB_ERR_NO_SUCH_OBJECT;
1619 ret = samdb_reference_dn(ldb, mem_ctx, server_dn, "serverReference", dn);
1620 talloc_free(server_dn);
1622 return ret;
1626 find the RID Manager$ DN via the rIDManagerReference attribute in the
1627 base DN
1629 int samdb_rid_manager_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct ldb_dn **dn)
1631 return samdb_reference_dn(ldb, mem_ctx, ldb_get_default_basedn(ldb),
1632 "rIDManagerReference", dn);
1636 find the RID Set DN via the rIDSetReferences attribute in our
1637 machine account DN
1639 int samdb_rid_set_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct ldb_dn **dn)
1641 struct ldb_dn *server_ref_dn;
1642 int ret;
1644 ret = samdb_server_reference_dn(ldb, mem_ctx, &server_ref_dn);
1645 if (ret != LDB_SUCCESS) {
1646 return ret;
1648 ret = samdb_reference_dn(ldb, mem_ctx, server_ref_dn, "rIDSetReferences", dn);
1649 talloc_free(server_ref_dn);
1650 return ret;
1653 const char *samdb_server_site_name(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
1655 const struct ldb_val *val = ldb_dn_get_rdn_val(samdb_server_site_dn(ldb,
1656 mem_ctx));
1658 if (val == NULL) {
1659 return NULL;
1662 return (const char *) val->data;
1666 * Finds the client site by using the client's IP address.
1667 * The "subnet_name" returns the name of the subnet if parameter != NULL
1669 const char *samdb_client_site_name(struct ldb_context *ldb, TALLOC_CTX *mem_ctx,
1670 const char *ip_address, char **subnet_name)
1672 const char *attrs[] = { "cn", "siteObject", NULL };
1673 struct ldb_dn *sites_container_dn, *subnets_dn, *sites_dn;
1674 struct ldb_result *res;
1675 const struct ldb_val *val;
1676 const char *site_name = NULL, *l_subnet_name = NULL;
1677 const char *allow_list[2] = { NULL, NULL };
1678 unsigned int i, count;
1679 int cnt, ret;
1682 * if we don't have a client ip e.g. ncalrpc
1683 * the server site is the client site
1685 if (ip_address == NULL) {
1686 return samdb_server_site_name(ldb, mem_ctx);
1689 sites_container_dn = samdb_sites_dn(ldb, mem_ctx);
1690 if (sites_container_dn == NULL) {
1691 return NULL;
1694 subnets_dn = ldb_dn_copy(mem_ctx, sites_container_dn);
1695 if ( ! ldb_dn_add_child_fmt(subnets_dn, "CN=Subnets")) {
1696 talloc_free(sites_container_dn);
1697 talloc_free(subnets_dn);
1698 return NULL;
1701 ret = ldb_search(ldb, mem_ctx, &res, subnets_dn, LDB_SCOPE_ONELEVEL,
1702 attrs, NULL);
1703 if (ret == LDB_ERR_NO_SUCH_OBJECT) {
1704 count = 0;
1705 } else if (ret != LDB_SUCCESS) {
1706 talloc_free(sites_container_dn);
1707 talloc_free(subnets_dn);
1708 return NULL;
1709 } else {
1710 count = res->count;
1713 for (i = 0; i < count; i++) {
1714 l_subnet_name = ldb_msg_find_attr_as_string(res->msgs[i], "cn",
1715 NULL);
1717 allow_list[0] = l_subnet_name;
1719 if (socket_allow_access(mem_ctx, NULL, allow_list, "", ip_address)) {
1720 sites_dn = ldb_msg_find_attr_as_dn(ldb, mem_ctx,
1721 res->msgs[i],
1722 "siteObject");
1723 if (sites_dn == NULL) {
1724 /* No reference, maybe another subnet matches */
1725 continue;
1728 /* "val" cannot be NULL here since "sites_dn" != NULL */
1729 val = ldb_dn_get_rdn_val(sites_dn);
1730 site_name = talloc_strdup(mem_ctx,
1731 (const char *) val->data);
1733 talloc_free(sites_dn);
1735 break;
1739 if (site_name == NULL) {
1740 /* This is the Windows Server fallback rule: when no subnet
1741 * exists and we have only one site available then use it (it
1742 * is for sure the same as our server site). If more sites do
1743 * exist then we don't know which one to use and set the site
1744 * name to "". */
1745 cnt = samdb_search_count(ldb, mem_ctx, sites_container_dn,
1746 "(objectClass=site)");
1747 if (cnt == 1) {
1748 site_name = samdb_server_site_name(ldb, mem_ctx);
1749 } else {
1750 site_name = talloc_strdup(mem_ctx, "");
1752 l_subnet_name = NULL;
1755 if (subnet_name != NULL) {
1756 *subnet_name = talloc_strdup(mem_ctx, l_subnet_name);
1759 talloc_free(sites_container_dn);
1760 talloc_free(subnets_dn);
1761 talloc_free(res);
1763 return site_name;
1767 work out if we are the PDC for the domain of the current open ldb
1769 bool samdb_is_pdc(struct ldb_context *ldb)
1771 const char *dom_attrs[] = { "fSMORoleOwner", NULL };
1772 int ret;
1773 struct ldb_result *dom_res;
1774 TALLOC_CTX *tmp_ctx;
1775 bool is_pdc;
1776 struct ldb_dn *pdc;
1778 tmp_ctx = talloc_new(ldb);
1779 if (tmp_ctx == NULL) {
1780 DEBUG(1, ("talloc_new failed in samdb_is_pdc"));
1781 return false;
1784 ret = ldb_search(ldb, tmp_ctx, &dom_res, ldb_get_default_basedn(ldb), LDB_SCOPE_BASE, dom_attrs, NULL);
1785 if (ret != LDB_SUCCESS) {
1786 DEBUG(1,("Searching for fSMORoleOwner in %s failed: %s\n",
1787 ldb_dn_get_linearized(ldb_get_default_basedn(ldb)),
1788 ldb_errstring(ldb)));
1789 goto failed;
1791 if (dom_res->count != 1) {
1792 goto failed;
1795 pdc = ldb_msg_find_attr_as_dn(ldb, tmp_ctx, dom_res->msgs[0], "fSMORoleOwner");
1797 if (ldb_dn_compare(samdb_ntds_settings_dn(ldb), pdc) == 0) {
1798 is_pdc = true;
1799 } else {
1800 is_pdc = false;
1803 talloc_free(tmp_ctx);
1805 return is_pdc;
1807 failed:
1808 DEBUG(1,("Failed to find if we are the PDC for this ldb\n"));
1809 talloc_free(tmp_ctx);
1810 return false;
1814 work out if we are a Global Catalog server for the domain of the current open ldb
1816 bool samdb_is_gc(struct ldb_context *ldb)
1818 uint32_t options;
1819 if (samdb_ntds_options(ldb, &options) != LDB_SUCCESS) {
1820 return false;
1822 return (options & DS_NTDSDSA_OPT_IS_GC) != 0;
1825 /* Find a domain object in the parents of a particular DN. */
1826 int samdb_search_for_parent_domain(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct ldb_dn *dn,
1827 struct ldb_dn **parent_dn, const char **errstring)
1829 TALLOC_CTX *local_ctx;
1830 struct ldb_dn *sdn = dn;
1831 struct ldb_result *res = NULL;
1832 int ret = LDB_SUCCESS;
1833 const char *attrs[] = { NULL };
1835 local_ctx = talloc_new(mem_ctx);
1836 if (local_ctx == NULL) return ldb_oom(ldb);
1838 while ((sdn = ldb_dn_get_parent(local_ctx, sdn))) {
1839 ret = ldb_search(ldb, local_ctx, &res, sdn, LDB_SCOPE_BASE, attrs,
1840 "(|(objectClass=domain)(objectClass=builtinDomain))");
1841 if (ret == LDB_SUCCESS) {
1842 if (res->count == 1) {
1843 break;
1845 } else {
1846 break;
1850 if (ret != LDB_SUCCESS) {
1851 *errstring = talloc_asprintf(mem_ctx, "Error searching for parent domain of %s, failed searching for %s: %s",
1852 ldb_dn_get_linearized(dn),
1853 ldb_dn_get_linearized(sdn),
1854 ldb_errstring(ldb));
1855 talloc_free(local_ctx);
1856 return ret;
1858 if (res->count != 1) {
1859 *errstring = talloc_asprintf(mem_ctx, "Invalid dn (%s), not child of a domain object",
1860 ldb_dn_get_linearized(dn));
1861 DEBUG(0,(__location__ ": %s\n", *errstring));
1862 talloc_free(local_ctx);
1863 return LDB_ERR_CONSTRAINT_VIOLATION;
1866 *parent_dn = talloc_steal(mem_ctx, res->msgs[0]->dn);
1867 talloc_free(local_ctx);
1868 return ret;
1873 * Performs checks on a user password (plaintext UNIX format - attribute
1874 * "password"). The remaining parameters have to be extracted from the domain
1875 * object in the AD.
1877 * Result codes from "enum samr_ValidationStatus" (consider "samr.idl")
1879 enum samr_ValidationStatus samdb_check_password(const DATA_BLOB *password,
1880 const uint32_t pwdProperties,
1881 const uint32_t minPwdLength)
1883 /* checks if the "minPwdLength" property is satisfied */
1884 if (minPwdLength > password->length)
1885 return SAMR_VALIDATION_STATUS_PWD_TOO_SHORT;
1887 /* checks the password complexity */
1888 if (((pwdProperties & DOMAIN_PASSWORD_COMPLEX) != 0)
1889 && (password->data != NULL)
1890 && (!check_password_quality((const char *) password->data)))
1891 return SAMR_VALIDATION_STATUS_NOT_COMPLEX_ENOUGH;
1893 return SAMR_VALIDATION_STATUS_SUCCESS;
1897 * Callback for "samdb_set_password" password change
1899 int samdb_set_password_callback(struct ldb_request *req, struct ldb_reply *ares)
1901 int ret;
1903 if (!ares) {
1904 return ldb_request_done(req, LDB_ERR_OPERATIONS_ERROR);
1907 if (ares->error != LDB_SUCCESS) {
1908 ret = ares->error;
1909 req->context = talloc_steal(req,
1910 ldb_reply_get_control(ares, DSDB_CONTROL_PASSWORD_CHANGE_STATUS_OID));
1911 talloc_free(ares);
1912 return ldb_request_done(req, ret);
1915 if (ares->type != LDB_REPLY_DONE) {
1916 talloc_free(ares);
1917 return ldb_request_done(req, LDB_ERR_OPERATIONS_ERROR);
1920 req->context = talloc_steal(req,
1921 ldb_reply_get_control(ares, DSDB_CONTROL_PASSWORD_CHANGE_STATUS_OID));
1922 talloc_free(ares);
1923 return ldb_request_done(req, LDB_SUCCESS);
1927 * Sets the user password using plaintext UTF16 (attribute "new_password") or
1928 * LM (attribute "lmNewHash") or NT (attribute "ntNewHash") hash. Also pass
1929 * the old LM and/or NT hash (attributes "lmOldHash"/"ntOldHash") if it is a
1930 * user change or not. The "rejectReason" gives some more information if the
1931 * change failed.
1933 * Results: NT_STATUS_OK, NT_STATUS_INVALID_PARAMETER, NT_STATUS_UNSUCCESSFUL,
1934 * NT_STATUS_WRONG_PASSWORD, NT_STATUS_PASSWORD_RESTRICTION
1936 NTSTATUS samdb_set_password(struct ldb_context *ldb, TALLOC_CTX *mem_ctx,
1937 struct ldb_dn *user_dn, struct ldb_dn *domain_dn,
1938 const DATA_BLOB *new_password,
1939 const struct samr_Password *lmNewHash,
1940 const struct samr_Password *ntNewHash,
1941 const struct samr_Password *lmOldHash,
1942 const struct samr_Password *ntOldHash,
1943 enum samPwdChangeReason *reject_reason,
1944 struct samr_DomInfo1 **_dominfo)
1946 struct ldb_message *msg;
1947 struct ldb_message_element *el;
1948 struct ldb_request *req;
1949 struct dsdb_control_password_change_status *pwd_stat = NULL;
1950 int ret;
1951 NTSTATUS status = NT_STATUS_OK;
1953 #define CHECK_RET(x) \
1954 if (x != LDB_SUCCESS) { \
1955 talloc_free(msg); \
1956 return NT_STATUS_NO_MEMORY; \
1959 msg = ldb_msg_new(mem_ctx);
1960 if (msg == NULL) {
1961 return NT_STATUS_NO_MEMORY;
1963 msg->dn = user_dn;
1964 if ((new_password != NULL)
1965 && ((lmNewHash == NULL) && (ntNewHash == NULL))) {
1966 /* we have the password as plaintext UTF16 */
1967 CHECK_RET(ldb_msg_add_value(msg, "clearTextPassword",
1968 new_password, NULL));
1969 el = ldb_msg_find_element(msg, "clearTextPassword");
1970 el->flags = LDB_FLAG_MOD_REPLACE;
1971 } else if ((new_password == NULL)
1972 && ((lmNewHash != NULL) || (ntNewHash != NULL))) {
1973 /* we have a password as LM and/or NT hash */
1974 if (lmNewHash != NULL) {
1975 CHECK_RET(samdb_msg_add_hash(ldb, mem_ctx, msg,
1976 "dBCSPwd", lmNewHash));
1977 el = ldb_msg_find_element(msg, "dBCSPwd");
1978 el->flags = LDB_FLAG_MOD_REPLACE;
1980 if (ntNewHash != NULL) {
1981 CHECK_RET(samdb_msg_add_hash(ldb, mem_ctx, msg,
1982 "unicodePwd", ntNewHash));
1983 el = ldb_msg_find_element(msg, "unicodePwd");
1984 el->flags = LDB_FLAG_MOD_REPLACE;
1986 } else {
1987 /* the password wasn't specified correctly */
1988 talloc_free(msg);
1989 return NT_STATUS_INVALID_PARAMETER;
1992 /* build modify request */
1993 ret = ldb_build_mod_req(&req, ldb, mem_ctx, msg, NULL, NULL,
1994 samdb_set_password_callback, NULL);
1995 if (ret != LDB_SUCCESS) {
1996 talloc_free(msg);
1997 return NT_STATUS_NO_MEMORY;
2000 /* A password change operation */
2001 if ((ntOldHash != NULL) || (lmOldHash != NULL)) {
2002 struct dsdb_control_password_change *change;
2004 change = talloc(req, struct dsdb_control_password_change);
2005 if (change == NULL) {
2006 talloc_free(req);
2007 talloc_free(msg);
2008 return NT_STATUS_NO_MEMORY;
2011 change->old_nt_pwd_hash = ntOldHash;
2012 change->old_lm_pwd_hash = lmOldHash;
2014 ret = ldb_request_add_control(req,
2015 DSDB_CONTROL_PASSWORD_CHANGE_OID,
2016 true, change);
2017 if (ret != LDB_SUCCESS) {
2018 talloc_free(req);
2019 talloc_free(msg);
2020 return NT_STATUS_NO_MEMORY;
2023 ret = ldb_request_add_control(req,
2024 DSDB_CONTROL_PASSWORD_HASH_VALUES_OID,
2025 true, NULL);
2026 if (ret != LDB_SUCCESS) {
2027 talloc_free(req);
2028 talloc_free(msg);
2029 return NT_STATUS_NO_MEMORY;
2031 ret = ldb_request_add_control(req,
2032 DSDB_CONTROL_PASSWORD_CHANGE_STATUS_OID,
2033 true, NULL);
2034 if (ret != LDB_SUCCESS) {
2035 talloc_free(req);
2036 talloc_free(msg);
2037 return NT_STATUS_NO_MEMORY;
2040 ret = dsdb_autotransaction_request(ldb, req);
2042 if (req->context != NULL) {
2043 pwd_stat = talloc_steal(mem_ctx,
2044 ((struct ldb_control *)req->context)->data);
2047 talloc_free(req);
2048 talloc_free(msg);
2050 /* Sets the domain info (if requested) */
2051 if (_dominfo != NULL) {
2052 struct samr_DomInfo1 *dominfo;
2054 dominfo = talloc_zero(mem_ctx, struct samr_DomInfo1);
2055 if (dominfo == NULL) {
2056 return NT_STATUS_NO_MEMORY;
2059 if (pwd_stat != NULL) {
2060 dominfo->min_password_length = pwd_stat->domain_data.minPwdLength;
2061 dominfo->password_properties = pwd_stat->domain_data.pwdProperties;
2062 dominfo->password_history_length = pwd_stat->domain_data.pwdHistoryLength;
2063 dominfo->max_password_age = pwd_stat->domain_data.maxPwdAge;
2064 dominfo->min_password_age = pwd_stat->domain_data.minPwdAge;
2067 *_dominfo = dominfo;
2070 if (reject_reason != NULL) {
2071 if (pwd_stat != NULL) {
2072 *reject_reason = pwd_stat->reject_reason;
2073 } else {
2074 *reject_reason = SAM_PWD_CHANGE_NO_ERROR;
2078 if (pwd_stat != NULL) {
2079 talloc_free(pwd_stat);
2082 if (ret == LDB_ERR_CONSTRAINT_VIOLATION) {
2083 const char *errmsg = ldb_errstring(ldb);
2084 char *endptr = NULL;
2085 WERROR werr = WERR_GENERAL_FAILURE;
2086 status = NT_STATUS_UNSUCCESSFUL;
2087 if (errmsg != NULL) {
2088 werr = W_ERROR(strtol(errmsg, &endptr, 16));
2090 if (endptr != errmsg) {
2091 if (W_ERROR_EQUAL(werr, WERR_INVALID_PASSWORD)) {
2092 status = NT_STATUS_WRONG_PASSWORD;
2094 if (W_ERROR_EQUAL(werr, WERR_PASSWORD_RESTRICTION)) {
2095 status = NT_STATUS_PASSWORD_RESTRICTION;
2098 } else if (ret == LDB_ERR_NO_SUCH_OBJECT) {
2099 /* don't let the caller know if an account doesn't exist */
2100 status = NT_STATUS_WRONG_PASSWORD;
2101 } else if (ret != LDB_SUCCESS) {
2102 status = NT_STATUS_UNSUCCESSFUL;
2105 return status;
2109 * Sets the user password using plaintext UTF16 (attribute "new_password") or
2110 * LM (attribute "lmNewHash") or NT (attribute "ntNewHash") hash. Also pass
2111 * the old LM and/or NT hash (attributes "lmOldHash"/"ntOldHash") if it is a
2112 * user change or not. The "rejectReason" gives some more information if the
2113 * change failed.
2115 * This wrapper function for "samdb_set_password" takes a SID as input rather
2116 * than a user DN.
2118 * This call encapsulates a new LDB transaction for changing the password;
2119 * therefore the user hasn't to start a new one.
2121 * Results: NT_STATUS_OK, NT_STATUS_INTERNAL_DB_CORRUPTION,
2122 * NT_STATUS_INVALID_PARAMETER, NT_STATUS_UNSUCCESSFUL,
2123 * NT_STATUS_WRONG_PASSWORD, NT_STATUS_PASSWORD_RESTRICTION,
2124 * NT_STATUS_TRANSACTION_ABORTED, NT_STATUS_NO_SUCH_USER
2126 NTSTATUS samdb_set_password_sid(struct ldb_context *ldb, TALLOC_CTX *mem_ctx,
2127 const struct dom_sid *user_sid,
2128 const DATA_BLOB *new_password,
2129 const struct samr_Password *lmNewHash,
2130 const struct samr_Password *ntNewHash,
2131 const struct samr_Password *lmOldHash,
2132 const struct samr_Password *ntOldHash,
2133 enum samPwdChangeReason *reject_reason,
2134 struct samr_DomInfo1 **_dominfo)
2136 NTSTATUS nt_status;
2137 struct ldb_dn *user_dn;
2138 int ret;
2140 ret = ldb_transaction_start(ldb);
2141 if (ret != LDB_SUCCESS) {
2142 DEBUG(1, ("Failed to start transaction: %s\n", ldb_errstring(ldb)));
2143 return NT_STATUS_TRANSACTION_ABORTED;
2146 user_dn = samdb_search_dn(ldb, mem_ctx, NULL,
2147 "(&(objectSid=%s)(objectClass=user))",
2148 ldap_encode_ndr_dom_sid(mem_ctx, user_sid));
2149 if (!user_dn) {
2150 ldb_transaction_cancel(ldb);
2151 DEBUG(3, ("samdb_set_password_sid: SID %s not found in samdb, returning NO_SUCH_USER\n",
2152 dom_sid_string(mem_ctx, user_sid)));
2153 return NT_STATUS_NO_SUCH_USER;
2156 nt_status = samdb_set_password(ldb, mem_ctx,
2157 user_dn, NULL,
2158 new_password,
2159 lmNewHash, ntNewHash,
2160 lmOldHash, ntOldHash,
2161 reject_reason, _dominfo);
2162 if (!NT_STATUS_IS_OK(nt_status)) {
2163 ldb_transaction_cancel(ldb);
2164 talloc_free(user_dn);
2165 return nt_status;
2168 ret = ldb_transaction_commit(ldb);
2169 if (ret != LDB_SUCCESS) {
2170 DEBUG(0,("Failed to commit transaction to change password on %s: %s\n",
2171 ldb_dn_get_linearized(user_dn),
2172 ldb_errstring(ldb)));
2173 talloc_free(user_dn);
2174 return NT_STATUS_TRANSACTION_ABORTED;
2177 talloc_free(user_dn);
2178 return NT_STATUS_OK;
2182 NTSTATUS samdb_create_foreign_security_principal(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx,
2183 struct dom_sid *sid, struct ldb_dn **ret_dn)
2185 struct ldb_message *msg;
2186 struct ldb_dn *basedn;
2187 char *sidstr;
2188 int ret;
2190 sidstr = dom_sid_string(mem_ctx, sid);
2191 NT_STATUS_HAVE_NO_MEMORY(sidstr);
2193 /* We might have to create a ForeignSecurityPrincipal, even if this user
2194 * is in our own domain */
2196 msg = ldb_msg_new(sidstr);
2197 if (msg == NULL) {
2198 talloc_free(sidstr);
2199 return NT_STATUS_NO_MEMORY;
2202 ret = dsdb_wellknown_dn(sam_ctx, sidstr,
2203 ldb_get_default_basedn(sam_ctx),
2204 DS_GUID_FOREIGNSECURITYPRINCIPALS_CONTAINER,
2205 &basedn);
2206 if (ret != LDB_SUCCESS) {
2207 DEBUG(0, ("Failed to find DN for "
2208 "ForeignSecurityPrincipal container - %s\n", ldb_errstring(sam_ctx)));
2209 talloc_free(sidstr);
2210 return NT_STATUS_INTERNAL_DB_CORRUPTION;
2213 /* add core elements to the ldb_message for the alias */
2214 msg->dn = basedn;
2215 if ( ! ldb_dn_add_child_fmt(msg->dn, "CN=%s", sidstr)) {
2216 talloc_free(sidstr);
2217 return NT_STATUS_NO_MEMORY;
2220 ret = ldb_msg_add_string(msg, "objectClass",
2221 "foreignSecurityPrincipal");
2222 if (ret != LDB_SUCCESS) {
2223 talloc_free(sidstr);
2224 return NT_STATUS_NO_MEMORY;
2227 /* create the alias */
2228 ret = ldb_add(sam_ctx, msg);
2229 if (ret != LDB_SUCCESS) {
2230 DEBUG(0,("Failed to create foreignSecurityPrincipal "
2231 "record %s: %s\n",
2232 ldb_dn_get_linearized(msg->dn),
2233 ldb_errstring(sam_ctx)));
2234 talloc_free(sidstr);
2235 return NT_STATUS_INTERNAL_DB_CORRUPTION;
2238 *ret_dn = talloc_steal(mem_ctx, msg->dn);
2239 talloc_free(sidstr);
2241 return NT_STATUS_OK;
2246 Find the DN of a domain, assuming it to be a dotted.dns name
2249 struct ldb_dn *samdb_dns_domain_to_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, const char *dns_domain)
2251 unsigned int i;
2252 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
2253 const char *binary_encoded;
2254 const char **split_realm;
2255 struct ldb_dn *dn;
2257 if (!tmp_ctx) {
2258 return NULL;
2261 split_realm = (const char **)str_list_make(tmp_ctx, dns_domain, ".");
2262 if (!split_realm) {
2263 talloc_free(tmp_ctx);
2264 return NULL;
2266 dn = ldb_dn_new(mem_ctx, ldb, NULL);
2267 for (i=0; split_realm[i]; i++) {
2268 binary_encoded = ldb_binary_encode_string(tmp_ctx, split_realm[i]);
2269 if (!ldb_dn_add_base_fmt(dn, "dc=%s", binary_encoded)) {
2270 DEBUG(2, ("Failed to add dc=%s element to DN %s\n",
2271 binary_encoded, ldb_dn_get_linearized(dn)));
2272 talloc_free(tmp_ctx);
2273 return NULL;
2276 if (!ldb_dn_validate(dn)) {
2277 DEBUG(2, ("Failed to validated DN %s\n",
2278 ldb_dn_get_linearized(dn)));
2279 talloc_free(tmp_ctx);
2280 return NULL;
2282 talloc_free(tmp_ctx);
2283 return dn;
2288 Find the DNS equivalent of a DN, in dotted DNS form
2290 char *samdb_dn_to_dns_domain(TALLOC_CTX *mem_ctx, struct ldb_dn *dn)
2292 int i, num_components = ldb_dn_get_comp_num(dn);
2293 char *dns_name = talloc_strdup(mem_ctx, "");
2294 if (dns_name == NULL) {
2295 return NULL;
2298 for (i=0; i<num_components; i++) {
2299 const struct ldb_val *v = ldb_dn_get_component_val(dn, i);
2300 char *s;
2301 if (v == NULL) {
2302 talloc_free(dns_name);
2303 return NULL;
2305 s = talloc_asprintf_append_buffer(dns_name, "%*.*s.",
2306 (int)v->length, (int)v->length, (char *)v->data);
2307 if (s == NULL) {
2308 talloc_free(dns_name);
2309 return NULL;
2311 dns_name = s;
2314 /* remove the last '.' */
2315 if (dns_name[0] != 0) {
2316 dns_name[strlen(dns_name)-1] = 0;
2319 return dns_name;
2323 Find the DNS _msdcs name for a given NTDS GUID. The resulting DNS
2324 name is based on the forest DNS name
2326 char *samdb_ntds_msdcs_dns_name(struct ldb_context *samdb,
2327 TALLOC_CTX *mem_ctx,
2328 const struct GUID *ntds_guid)
2330 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
2331 const char *guid_str;
2332 struct ldb_dn *forest_dn;
2333 const char *dnsforest;
2334 char *ret;
2336 guid_str = GUID_string(tmp_ctx, ntds_guid);
2337 if (guid_str == NULL) {
2338 talloc_free(tmp_ctx);
2339 return NULL;
2341 forest_dn = ldb_get_root_basedn(samdb);
2342 if (forest_dn == NULL) {
2343 talloc_free(tmp_ctx);
2344 return NULL;
2346 dnsforest = samdb_dn_to_dns_domain(tmp_ctx, forest_dn);
2347 if (dnsforest == NULL) {
2348 talloc_free(tmp_ctx);
2349 return NULL;
2351 ret = talloc_asprintf(mem_ctx, "%s._msdcs.%s", guid_str, dnsforest);
2352 talloc_free(tmp_ctx);
2353 return ret;
2358 Find the DN of a domain, be it the netbios or DNS name
2360 struct ldb_dn *samdb_domain_to_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx,
2361 const char *domain_name)
2363 const char * const domain_ref_attrs[] = {
2364 "ncName", NULL
2366 const char * const domain_ref2_attrs[] = {
2367 NULL
2369 struct ldb_result *res_domain_ref;
2370 char *escaped_domain = ldb_binary_encode_string(mem_ctx, domain_name);
2371 /* find the domain's DN */
2372 int ret_domain = ldb_search(ldb, mem_ctx,
2373 &res_domain_ref,
2374 samdb_partitions_dn(ldb, mem_ctx),
2375 LDB_SCOPE_ONELEVEL,
2376 domain_ref_attrs,
2377 "(&(nETBIOSName=%s)(objectclass=crossRef))",
2378 escaped_domain);
2379 if (ret_domain != LDB_SUCCESS) {
2380 return NULL;
2383 if (res_domain_ref->count == 0) {
2384 ret_domain = ldb_search(ldb, mem_ctx,
2385 &res_domain_ref,
2386 samdb_dns_domain_to_dn(ldb, mem_ctx, domain_name),
2387 LDB_SCOPE_BASE,
2388 domain_ref2_attrs,
2389 "(objectclass=domain)");
2390 if (ret_domain != LDB_SUCCESS) {
2391 return NULL;
2394 if (res_domain_ref->count == 1) {
2395 return res_domain_ref->msgs[0]->dn;
2397 return NULL;
2400 if (res_domain_ref->count > 1) {
2401 DEBUG(0,("Found %d records matching domain [%s]\n",
2402 ret_domain, domain_name));
2403 return NULL;
2406 return samdb_result_dn(ldb, mem_ctx, res_domain_ref->msgs[0], "nCName", NULL);
2412 use a GUID to find a DN
2414 int dsdb_find_dn_by_guid(struct ldb_context *ldb,
2415 TALLOC_CTX *mem_ctx,
2416 const struct GUID *guid, struct ldb_dn **dn)
2418 int ret;
2419 struct ldb_result *res;
2420 const char *attrs[] = { NULL };
2421 char *guid_str = GUID_string(mem_ctx, guid);
2423 if (!guid_str) {
2424 return ldb_operr(ldb);
2427 ret = dsdb_search(ldb, mem_ctx, &res, NULL, LDB_SCOPE_SUBTREE, attrs,
2428 DSDB_SEARCH_SEARCH_ALL_PARTITIONS |
2429 DSDB_SEARCH_SHOW_EXTENDED_DN |
2430 DSDB_SEARCH_ONE_ONLY,
2431 "objectGUID=%s", guid_str);
2432 talloc_free(guid_str);
2433 if (ret != LDB_SUCCESS) {
2434 return ret;
2437 *dn = talloc_steal(mem_ctx, res->msgs[0]->dn);
2438 talloc_free(res);
2440 return LDB_SUCCESS;
2444 use a DN to find a GUID with a given attribute name
2446 int dsdb_find_guid_attr_by_dn(struct ldb_context *ldb,
2447 struct ldb_dn *dn, const char *attribute,
2448 struct GUID *guid)
2450 int ret;
2451 struct ldb_result *res;
2452 const char *attrs[2];
2453 TALLOC_CTX *tmp_ctx = talloc_new(ldb);
2455 attrs[0] = attribute;
2456 attrs[1] = NULL;
2458 ret = dsdb_search_dn(ldb, tmp_ctx, &res, dn, attrs,
2459 DSDB_SEARCH_SHOW_DELETED |
2460 DSDB_SEARCH_SHOW_RECYCLED);
2461 if (ret != LDB_SUCCESS) {
2462 talloc_free(tmp_ctx);
2463 return ret;
2465 if (res->count < 1) {
2466 talloc_free(tmp_ctx);
2467 return LDB_ERR_NO_SUCH_OBJECT;
2469 *guid = samdb_result_guid(res->msgs[0], attribute);
2470 talloc_free(tmp_ctx);
2471 return LDB_SUCCESS;
2475 use a DN to find a GUID
2477 int dsdb_find_guid_by_dn(struct ldb_context *ldb,
2478 struct ldb_dn *dn, struct GUID *guid)
2480 return dsdb_find_guid_attr_by_dn(ldb, dn, "objectGUID", guid);
2486 adds the given GUID to the given ldb_message. This value is added
2487 for the given attr_name (may be either "objectGUID" or "parentGUID").
2489 int dsdb_msg_add_guid(struct ldb_message *msg,
2490 struct GUID *guid,
2491 const char *attr_name)
2493 int ret;
2494 struct ldb_val v;
2495 NTSTATUS status;
2496 TALLOC_CTX *tmp_ctx = talloc_init("dsdb_msg_add_guid");
2498 status = GUID_to_ndr_blob(guid, tmp_ctx, &v);
2499 if (!NT_STATUS_IS_OK(status)) {
2500 ret = LDB_ERR_OPERATIONS_ERROR;
2501 goto done;
2504 ret = ldb_msg_add_steal_value(msg, attr_name, &v);
2505 if (ret != LDB_SUCCESS) {
2506 DEBUG(4,(__location__ ": Failed to add %s to the message\n",
2507 attr_name));
2508 goto done;
2511 ret = LDB_SUCCESS;
2513 done:
2514 talloc_free(tmp_ctx);
2515 return ret;
2521 use a DN to find a SID
2523 int dsdb_find_sid_by_dn(struct ldb_context *ldb,
2524 struct ldb_dn *dn, struct dom_sid *sid)
2526 int ret;
2527 struct ldb_result *res;
2528 const char *attrs[] = { "objectSid", NULL };
2529 TALLOC_CTX *tmp_ctx = talloc_new(ldb);
2530 struct dom_sid *s;
2532 ZERO_STRUCTP(sid);
2534 ret = dsdb_search_dn(ldb, tmp_ctx, &res, dn, attrs,
2535 DSDB_SEARCH_SHOW_DELETED |
2536 DSDB_SEARCH_SHOW_RECYCLED);
2537 if (ret != LDB_SUCCESS) {
2538 talloc_free(tmp_ctx);
2539 return ret;
2541 if (res->count < 1) {
2542 talloc_free(tmp_ctx);
2543 return LDB_ERR_NO_SUCH_OBJECT;
2545 s = samdb_result_dom_sid(tmp_ctx, res->msgs[0], "objectSid");
2546 if (s == NULL) {
2547 talloc_free(tmp_ctx);
2548 return LDB_ERR_NO_SUCH_OBJECT;
2550 *sid = *s;
2551 talloc_free(tmp_ctx);
2552 return LDB_SUCCESS;
2556 use a SID to find a DN
2558 int dsdb_find_dn_by_sid(struct ldb_context *ldb,
2559 TALLOC_CTX *mem_ctx,
2560 struct dom_sid *sid, struct ldb_dn **dn)
2562 int ret;
2563 struct ldb_result *res;
2564 const char *attrs[] = { NULL };
2565 char *sid_str = ldap_encode_ndr_dom_sid(mem_ctx, sid);
2567 if (!sid_str) {
2568 return ldb_operr(ldb);
2571 ret = dsdb_search(ldb, mem_ctx, &res, NULL, LDB_SCOPE_SUBTREE, attrs,
2572 DSDB_SEARCH_SEARCH_ALL_PARTITIONS |
2573 DSDB_SEARCH_SHOW_EXTENDED_DN |
2574 DSDB_SEARCH_ONE_ONLY,
2575 "objectSid=%s", sid_str);
2576 talloc_free(sid_str);
2577 if (ret != LDB_SUCCESS) {
2578 return ret;
2581 *dn = talloc_steal(mem_ctx, res->msgs[0]->dn);
2582 talloc_free(res);
2584 return LDB_SUCCESS;
2588 load a repsFromTo blob list for a given partition GUID
2589 attr must be "repsFrom" or "repsTo"
2591 WERROR dsdb_loadreps(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx, struct ldb_dn *dn,
2592 const char *attr, struct repsFromToBlob **r, uint32_t *count)
2594 const char *attrs[] = { attr, NULL };
2595 struct ldb_result *res = NULL;
2596 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
2597 unsigned int i;
2598 struct ldb_message_element *el;
2599 int ret;
2601 *r = NULL;
2602 *count = 0;
2604 ret = dsdb_search_dn(sam_ctx, tmp_ctx, &res, dn, attrs, 0);
2605 if (ret == LDB_ERR_NO_SUCH_OBJECT) {
2606 /* partition hasn't been replicated yet */
2607 return WERR_OK;
2609 if (ret != LDB_SUCCESS) {
2610 DEBUG(0,("dsdb_loadreps: failed to read partition object: %s\n", ldb_errstring(sam_ctx)));
2611 talloc_free(tmp_ctx);
2612 return WERR_DS_DRA_INTERNAL_ERROR;
2615 el = ldb_msg_find_element(res->msgs[0], attr);
2616 if (el == NULL) {
2617 /* it's OK to be empty */
2618 talloc_free(tmp_ctx);
2619 return WERR_OK;
2622 *count = el->num_values;
2623 *r = talloc_array(mem_ctx, struct repsFromToBlob, *count);
2624 if (*r == NULL) {
2625 talloc_free(tmp_ctx);
2626 return WERR_DS_DRA_INTERNAL_ERROR;
2629 for (i=0; i<(*count); i++) {
2630 enum ndr_err_code ndr_err;
2631 ndr_err = ndr_pull_struct_blob(&el->values[i],
2632 mem_ctx,
2633 &(*r)[i],
2634 (ndr_pull_flags_fn_t)ndr_pull_repsFromToBlob);
2635 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
2636 talloc_free(tmp_ctx);
2637 return WERR_DS_DRA_INTERNAL_ERROR;
2641 talloc_free(tmp_ctx);
2643 return WERR_OK;
2647 save the repsFromTo blob list for a given partition GUID
2648 attr must be "repsFrom" or "repsTo"
2650 WERROR dsdb_savereps(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx, struct ldb_dn *dn,
2651 const char *attr, struct repsFromToBlob *r, uint32_t count)
2653 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
2654 struct ldb_message *msg;
2655 struct ldb_message_element *el;
2656 unsigned int i;
2658 msg = ldb_msg_new(tmp_ctx);
2659 msg->dn = dn;
2660 if (ldb_msg_add_empty(msg, attr, LDB_FLAG_MOD_REPLACE, &el) != LDB_SUCCESS) {
2661 goto failed;
2664 el->values = talloc_array(msg, struct ldb_val, count);
2665 if (!el->values) {
2666 goto failed;
2669 for (i=0; i<count; i++) {
2670 struct ldb_val v;
2671 enum ndr_err_code ndr_err;
2673 ndr_err = ndr_push_struct_blob(&v, tmp_ctx,
2674 &r[i],
2675 (ndr_push_flags_fn_t)ndr_push_repsFromToBlob);
2676 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
2677 goto failed;
2680 el->num_values++;
2681 el->values[i] = v;
2684 if (dsdb_modify(sam_ctx, msg, 0) != LDB_SUCCESS) {
2685 DEBUG(0,("Failed to store %s - %s\n", attr, ldb_errstring(sam_ctx)));
2686 goto failed;
2689 talloc_free(tmp_ctx);
2691 return WERR_OK;
2693 failed:
2694 talloc_free(tmp_ctx);
2695 return WERR_DS_DRA_INTERNAL_ERROR;
2700 load the uSNHighest and the uSNUrgent attributes from the @REPLCHANGED
2701 object for a partition
2703 int dsdb_load_partition_usn(struct ldb_context *ldb, struct ldb_dn *dn,
2704 uint64_t *uSN, uint64_t *urgent_uSN)
2706 struct ldb_request *req;
2707 int ret;
2708 TALLOC_CTX *tmp_ctx = talloc_new(ldb);
2709 struct dsdb_control_current_partition *p_ctrl;
2710 struct ldb_result *res;
2712 res = talloc_zero(tmp_ctx, struct ldb_result);
2713 if (!res) {
2714 talloc_free(tmp_ctx);
2715 return ldb_oom(ldb);
2718 ret = ldb_build_search_req(&req, ldb, tmp_ctx,
2719 ldb_dn_new(tmp_ctx, ldb, "@REPLCHANGED"),
2720 LDB_SCOPE_BASE,
2721 NULL, NULL,
2722 NULL,
2723 res, ldb_search_default_callback,
2724 NULL);
2725 if (ret != LDB_SUCCESS) {
2726 talloc_free(tmp_ctx);
2727 return ret;
2730 p_ctrl = talloc(req, struct dsdb_control_current_partition);
2731 if (p_ctrl == NULL) {
2732 talloc_free(tmp_ctx);
2733 return ldb_oom(ldb);
2735 p_ctrl->version = DSDB_CONTROL_CURRENT_PARTITION_VERSION;
2736 p_ctrl->dn = dn;
2738 ret = ldb_request_add_control(req,
2739 DSDB_CONTROL_CURRENT_PARTITION_OID,
2740 false, p_ctrl);
2741 if (ret != LDB_SUCCESS) {
2742 talloc_free(tmp_ctx);
2743 return ret;
2746 /* Run the new request */
2747 ret = ldb_request(ldb, req);
2749 if (ret == LDB_SUCCESS) {
2750 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
2753 if (ret == LDB_ERR_NO_SUCH_OBJECT || ret == LDB_ERR_INVALID_DN_SYNTAX) {
2754 /* it hasn't been created yet, which means
2755 an implicit value of zero */
2756 *uSN = 0;
2757 talloc_free(tmp_ctx);
2758 return LDB_SUCCESS;
2761 if (ret != LDB_SUCCESS) {
2762 talloc_free(tmp_ctx);
2763 return ret;
2766 if (res->count < 1) {
2767 *uSN = 0;
2768 if (urgent_uSN) {
2769 *urgent_uSN = 0;
2771 } else {
2772 *uSN = ldb_msg_find_attr_as_uint64(res->msgs[0], "uSNHighest", 0);
2773 if (urgent_uSN) {
2774 *urgent_uSN = ldb_msg_find_attr_as_uint64(res->msgs[0], "uSNUrgent", 0);
2778 talloc_free(tmp_ctx);
2780 return LDB_SUCCESS;
2783 int drsuapi_DsReplicaCursor2_compare(const struct drsuapi_DsReplicaCursor2 *c1,
2784 const struct drsuapi_DsReplicaCursor2 *c2)
2786 return GUID_compare(&c1->source_dsa_invocation_id, &c2->source_dsa_invocation_id);
2789 int drsuapi_DsReplicaCursor_compare(const struct drsuapi_DsReplicaCursor *c1,
2790 const struct drsuapi_DsReplicaCursor *c2)
2792 return GUID_compare(&c1->source_dsa_invocation_id, &c2->source_dsa_invocation_id);
2797 see if a computer identified by its invocationId is a RODC
2799 int samdb_is_rodc(struct ldb_context *sam_ctx, const struct GUID *objectGUID, bool *is_rodc)
2801 /* 1) find the DN for this servers NTDSDSA object
2802 2) search for the msDS-isRODC attribute
2803 3) if not present then not a RODC
2804 4) if present and TRUE then is a RODC
2806 struct ldb_dn *config_dn;
2807 const char *attrs[] = { "msDS-isRODC", NULL };
2808 int ret;
2809 struct ldb_result *res;
2810 TALLOC_CTX *tmp_ctx = talloc_new(sam_ctx);
2812 config_dn = ldb_get_config_basedn(sam_ctx);
2813 if (!config_dn) {
2814 talloc_free(tmp_ctx);
2815 return ldb_operr(sam_ctx);
2818 ret = dsdb_search(sam_ctx, tmp_ctx, &res, config_dn, LDB_SCOPE_SUBTREE, attrs,
2819 DSDB_SEARCH_ONE_ONLY, "objectGUID=%s", GUID_string(tmp_ctx, objectGUID));
2821 if (ret == LDB_ERR_NO_SUCH_OBJECT) {
2822 *is_rodc = false;
2823 talloc_free(tmp_ctx);
2824 return LDB_SUCCESS;
2827 if (ret != LDB_SUCCESS) {
2828 DEBUG(1,(("Failed to find our own NTDS Settings object by objectGUID=%s!\n"),
2829 GUID_string(tmp_ctx, objectGUID)));
2830 *is_rodc = false;
2831 talloc_free(tmp_ctx);
2832 return ret;
2835 ret = ldb_msg_find_attr_as_bool(res->msgs[0], "msDS-isRODC", 0);
2836 *is_rodc = (ret == 1);
2838 talloc_free(tmp_ctx);
2839 return LDB_SUCCESS;
2844 see if we are a RODC
2846 int samdb_rodc(struct ldb_context *sam_ctx, bool *am_rodc)
2848 const struct GUID *objectGUID;
2849 int ret;
2850 bool *cached;
2852 /* see if we have a cached copy */
2853 cached = (bool *)ldb_get_opaque(sam_ctx, "cache.am_rodc");
2854 if (cached) {
2855 *am_rodc = *cached;
2856 return LDB_SUCCESS;
2859 objectGUID = samdb_ntds_objectGUID(sam_ctx);
2860 if (!objectGUID) {
2861 return ldb_operr(sam_ctx);
2864 ret = samdb_is_rodc(sam_ctx, objectGUID, am_rodc);
2865 if (ret != LDB_SUCCESS) {
2866 return ret;
2869 cached = talloc(sam_ctx, bool);
2870 if (cached == NULL) {
2871 return ldb_oom(sam_ctx);
2873 *cached = *am_rodc;
2875 ret = ldb_set_opaque(sam_ctx, "cache.am_rodc", cached);
2876 if (ret != LDB_SUCCESS) {
2877 talloc_free(cached);
2878 return ldb_operr(sam_ctx);
2881 return LDB_SUCCESS;
2884 bool samdb_set_am_rodc(struct ldb_context *ldb, bool am_rodc)
2886 TALLOC_CTX *tmp_ctx;
2887 bool *cached;
2889 tmp_ctx = talloc_new(ldb);
2890 if (tmp_ctx == NULL) {
2891 goto failed;
2894 cached = talloc(tmp_ctx, bool);
2895 if (!cached) {
2896 goto failed;
2899 *cached = am_rodc;
2900 if (ldb_set_opaque(ldb, "cache.am_rodc", cached) != LDB_SUCCESS) {
2901 goto failed;
2904 talloc_steal(ldb, cached);
2905 talloc_free(tmp_ctx);
2906 return true;
2908 failed:
2909 DEBUG(1,("Failed to set our own cached am_rodc in the ldb!\n"));
2910 talloc_free(tmp_ctx);
2911 return false;
2916 * return NTDSSiteSettings options. See MS-ADTS 7.1.1.2.2.1.1
2917 * flags are DS_NTDSSETTINGS_OPT_*
2919 int samdb_ntds_site_settings_options(struct ldb_context *ldb_ctx,
2920 uint32_t *options)
2922 int rc;
2923 TALLOC_CTX *tmp_ctx;
2924 struct ldb_result *res;
2925 struct ldb_dn *site_dn;
2926 const char *attrs[] = { "options", NULL };
2928 tmp_ctx = talloc_new(ldb_ctx);
2929 if (tmp_ctx == NULL)
2930 goto failed;
2932 /* Retrieve the site dn for the ldb that we
2933 * have open. This is our local site.
2935 site_dn = samdb_server_site_dn(ldb_ctx, tmp_ctx);
2936 if (site_dn == NULL)
2937 goto failed;
2939 /* Perform a one level (child) search from the local
2940 * site distinguided name. We're looking for the
2941 * "options" attribute within the nTDSSiteSettings
2942 * object
2944 rc = ldb_search(ldb_ctx, tmp_ctx, &res, site_dn,
2945 LDB_SCOPE_ONELEVEL, attrs,
2946 "objectClass=nTDSSiteSettings");
2948 if (rc != LDB_SUCCESS || res->count != 1)
2949 goto failed;
2951 *options = ldb_msg_find_attr_as_uint(res->msgs[0], "options", 0);
2953 talloc_free(tmp_ctx);
2955 return LDB_SUCCESS;
2957 failed:
2958 DEBUG(1,("Failed to find our NTDS Site Settings options in ldb!\n"));
2959 talloc_free(tmp_ctx);
2960 return LDB_ERR_NO_SUCH_OBJECT;
2964 return NTDS options flags. See MS-ADTS 7.1.1.2.2.1.2.1.1
2966 flags are DS_NTDS_OPTION_*
2968 int samdb_ntds_options(struct ldb_context *ldb, uint32_t *options)
2970 TALLOC_CTX *tmp_ctx;
2971 const char *attrs[] = { "options", NULL };
2972 int ret;
2973 struct ldb_result *res;
2975 tmp_ctx = talloc_new(ldb);
2976 if (tmp_ctx == NULL) {
2977 goto failed;
2980 ret = ldb_search(ldb, tmp_ctx, &res, samdb_ntds_settings_dn(ldb), LDB_SCOPE_BASE, attrs, NULL);
2981 if (ret != LDB_SUCCESS) {
2982 goto failed;
2985 if (res->count != 1) {
2986 goto failed;
2989 *options = ldb_msg_find_attr_as_uint(res->msgs[0], "options", 0);
2991 talloc_free(tmp_ctx);
2993 return LDB_SUCCESS;
2995 failed:
2996 DEBUG(1,("Failed to find our own NTDS Settings options in the ldb!\n"));
2997 talloc_free(tmp_ctx);
2998 return LDB_ERR_NO_SUCH_OBJECT;
3001 const char* samdb_ntds_object_category(TALLOC_CTX *tmp_ctx, struct ldb_context *ldb)
3003 const char *attrs[] = { "objectCategory", NULL };
3004 int ret;
3005 struct ldb_result *res;
3007 ret = ldb_search(ldb, tmp_ctx, &res, samdb_ntds_settings_dn(ldb), LDB_SCOPE_BASE, attrs, NULL);
3008 if (ret != LDB_SUCCESS) {
3009 goto failed;
3012 if (res->count != 1) {
3013 goto failed;
3016 return ldb_msg_find_attr_as_string(res->msgs[0], "objectCategory", NULL);
3018 failed:
3019 DEBUG(1,("Failed to find our own NTDS Settings objectCategory in the ldb!\n"));
3020 return NULL;
3024 * Function which generates a "lDAPDisplayName" attribute from a "CN" one.
3025 * Algorithm implemented according to MS-ADTS 3.1.1.2.3.4
3027 const char *samdb_cn_to_lDAPDisplayName(TALLOC_CTX *mem_ctx, const char *cn)
3029 char **tokens, *ret;
3030 size_t i;
3032 tokens = str_list_make(mem_ctx, cn, " -_");
3033 if (tokens == NULL)
3034 return NULL;
3036 /* "tolower()" and "toupper()" should also work properly on 0x00 */
3037 tokens[0][0] = tolower(tokens[0][0]);
3038 for (i = 1; i < str_list_length((const char **)tokens); i++)
3039 tokens[i][0] = toupper(tokens[i][0]);
3041 ret = talloc_strdup(mem_ctx, tokens[0]);
3042 for (i = 1; i < str_list_length((const char **)tokens); i++)
3043 ret = talloc_asprintf_append_buffer(ret, "%s", tokens[i]);
3045 talloc_free(tokens);
3047 return ret;
3051 * This detects and returns the domain functional level (DS_DOMAIN_FUNCTION_*)
3053 int dsdb_functional_level(struct ldb_context *ldb)
3055 int *domainFunctionality =
3056 talloc_get_type(ldb_get_opaque(ldb, "domainFunctionality"), int);
3057 if (!domainFunctionality) {
3058 /* this is expected during initial provision */
3059 DEBUG(4,(__location__ ": WARNING: domainFunctionality not setup\n"));
3060 return DS_DOMAIN_FUNCTION_2000;
3062 return *domainFunctionality;
3066 * This detects and returns the forest functional level (DS_DOMAIN_FUNCTION_*)
3068 int dsdb_forest_functional_level(struct ldb_context *ldb)
3070 int *forestFunctionality =
3071 talloc_get_type(ldb_get_opaque(ldb, "forestFunctionality"), int);
3072 if (!forestFunctionality) {
3073 DEBUG(0,(__location__ ": WARNING: forestFunctionality not setup\n"));
3074 return DS_DOMAIN_FUNCTION_2000;
3076 return *forestFunctionality;
3080 set a GUID in an extended DN structure
3082 int dsdb_set_extended_dn_guid(struct ldb_dn *dn, const struct GUID *guid, const char *component_name)
3084 struct ldb_val v;
3085 NTSTATUS status;
3086 int ret;
3088 status = GUID_to_ndr_blob(guid, dn, &v);
3089 if (!NT_STATUS_IS_OK(status)) {
3090 return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
3093 ret = ldb_dn_set_extended_component(dn, component_name, &v);
3094 data_blob_free(&v);
3095 return ret;
3099 return a GUID from a extended DN structure
3101 NTSTATUS dsdb_get_extended_dn_guid(struct ldb_dn *dn, struct GUID *guid, const char *component_name)
3103 const struct ldb_val *v;
3105 v = ldb_dn_get_extended_component(dn, component_name);
3106 if (v == NULL) {
3107 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
3110 return GUID_from_ndr_blob(v, guid);
3114 return a uint64_t from a extended DN structure
3116 NTSTATUS dsdb_get_extended_dn_uint64(struct ldb_dn *dn, uint64_t *val, const char *component_name)
3118 const struct ldb_val *v;
3119 char *s;
3121 v = ldb_dn_get_extended_component(dn, component_name);
3122 if (v == NULL) {
3123 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
3125 s = talloc_strndup(dn, (const char *)v->data, v->length);
3126 NT_STATUS_HAVE_NO_MEMORY(s);
3128 *val = strtoull(s, NULL, 0);
3130 talloc_free(s);
3131 return NT_STATUS_OK;
3135 return a NTTIME from a extended DN structure
3137 NTSTATUS dsdb_get_extended_dn_nttime(struct ldb_dn *dn, NTTIME *nttime, const char *component_name)
3139 return dsdb_get_extended_dn_uint64(dn, nttime, component_name);
3143 return a uint32_t from a extended DN structure
3145 NTSTATUS dsdb_get_extended_dn_uint32(struct ldb_dn *dn, uint32_t *val, const char *component_name)
3147 const struct ldb_val *v;
3148 char *s;
3150 v = ldb_dn_get_extended_component(dn, component_name);
3151 if (v == NULL) {
3152 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
3155 s = talloc_strndup(dn, (const char *)v->data, v->length);
3156 NT_STATUS_HAVE_NO_MEMORY(s);
3158 *val = strtoul(s, NULL, 0);
3160 talloc_free(s);
3161 return NT_STATUS_OK;
3165 return a dom_sid from a extended DN structure
3167 NTSTATUS dsdb_get_extended_dn_sid(struct ldb_dn *dn, struct dom_sid *sid, const char *component_name)
3169 const struct ldb_val *sid_blob;
3170 struct TALLOC_CTX *tmp_ctx;
3171 enum ndr_err_code ndr_err;
3173 sid_blob = ldb_dn_get_extended_component(dn, component_name);
3174 if (!sid_blob) {
3175 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
3178 tmp_ctx = talloc_new(NULL);
3180 ndr_err = ndr_pull_struct_blob_all(sid_blob, tmp_ctx, sid,
3181 (ndr_pull_flags_fn_t)ndr_pull_dom_sid);
3182 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
3183 NTSTATUS status = ndr_map_error2ntstatus(ndr_err);
3184 talloc_free(tmp_ctx);
3185 return status;
3188 talloc_free(tmp_ctx);
3189 return NT_STATUS_OK;
3194 return RMD_FLAGS directly from a ldb_dn
3195 returns 0 if not found
3197 uint32_t dsdb_dn_rmd_flags(struct ldb_dn *dn)
3199 const struct ldb_val *v;
3200 char buf[32];
3201 v = ldb_dn_get_extended_component(dn, "RMD_FLAGS");
3202 if (!v || v->length > sizeof(buf)-1) return 0;
3203 strncpy(buf, (const char *)v->data, v->length);
3204 buf[v->length] = 0;
3205 return strtoul(buf, NULL, 10);
3209 return RMD_FLAGS directly from a ldb_val for a DN
3210 returns 0 if RMD_FLAGS is not found
3212 uint32_t dsdb_dn_val_rmd_flags(const struct ldb_val *val)
3214 const char *p;
3215 uint32_t flags;
3216 char *end;
3218 if (val->length < 13) {
3219 return 0;
3221 p = memmem(val->data, val->length, "<RMD_FLAGS=", 11);
3222 if (!p) {
3223 return 0;
3225 flags = strtoul(p+11, &end, 10);
3226 if (!end || *end != '>') {
3227 /* it must end in a > */
3228 return 0;
3230 return flags;
3234 return true if a ldb_val containing a DN in storage form is deleted
3236 bool dsdb_dn_is_deleted_val(const struct ldb_val *val)
3238 return (dsdb_dn_val_rmd_flags(val) & DSDB_RMD_FLAG_DELETED) != 0;
3242 return true if a ldb_val containing a DN in storage form is
3243 in the upgraded w2k3 linked attribute format
3245 bool dsdb_dn_is_upgraded_link_val(struct ldb_val *val)
3247 return memmem(val->data, val->length, "<RMD_VERSION=", 13) != NULL;
3251 return a DN for a wellknown GUID
3253 int dsdb_wellknown_dn(struct ldb_context *samdb, TALLOC_CTX *mem_ctx,
3254 struct ldb_dn *nc_root, const char *wk_guid,
3255 struct ldb_dn **wkguid_dn)
3257 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
3258 const char *attrs[] = { NULL };
3259 int ret;
3260 struct ldb_dn *dn;
3261 struct ldb_result *res;
3263 /* construct the magic WKGUID DN */
3264 dn = ldb_dn_new_fmt(tmp_ctx, samdb, "<WKGUID=%s,%s>",
3265 wk_guid, ldb_dn_get_linearized(nc_root));
3266 if (!wkguid_dn) {
3267 talloc_free(tmp_ctx);
3268 return ldb_operr(samdb);
3271 ret = dsdb_search_dn(samdb, tmp_ctx, &res, dn, attrs,
3272 DSDB_SEARCH_SHOW_DELETED |
3273 DSDB_SEARCH_SHOW_RECYCLED);
3274 if (ret != LDB_SUCCESS) {
3275 talloc_free(tmp_ctx);
3276 return ret;
3279 (*wkguid_dn) = talloc_steal(mem_ctx, res->msgs[0]->dn);
3280 talloc_free(tmp_ctx);
3281 return LDB_SUCCESS;
3285 static int dsdb_dn_compare_ptrs(struct ldb_dn **dn1, struct ldb_dn **dn2)
3287 return ldb_dn_compare(*dn1, *dn2);
3291 find a NC root given a DN within the NC
3293 int dsdb_find_nc_root(struct ldb_context *samdb, TALLOC_CTX *mem_ctx, struct ldb_dn *dn,
3294 struct ldb_dn **nc_root)
3296 const char *root_attrs[] = { "namingContexts", NULL };
3297 TALLOC_CTX *tmp_ctx;
3298 int ret;
3299 struct ldb_message_element *el;
3300 struct ldb_result *root_res;
3301 unsigned int i;
3302 struct ldb_dn **nc_dns;
3304 tmp_ctx = talloc_new(samdb);
3305 if (tmp_ctx == NULL) {
3306 return ldb_oom(samdb);
3309 ret = ldb_search(samdb, tmp_ctx, &root_res,
3310 ldb_dn_new(tmp_ctx, samdb, ""), LDB_SCOPE_BASE, root_attrs, NULL);
3311 if (ret != LDB_SUCCESS) {
3312 DEBUG(1,("Searching for namingContexts in rootDSE failed: %s\n", ldb_errstring(samdb)));
3313 talloc_free(tmp_ctx);
3314 return ret;
3317 el = ldb_msg_find_element(root_res->msgs[0], "namingContexts");
3318 if ((el == NULL) || (el->num_values < 3)) {
3319 struct ldb_message *tmp_msg;
3321 DEBUG(5,("dsdb_find_nc_root: Finding a valid 'namingContexts' element in the RootDSE failed. Using a temporary list."));
3323 /* This generates a temporary list of NCs in order to let the
3324 * provisioning work. */
3325 tmp_msg = ldb_msg_new(tmp_ctx);
3326 if (tmp_msg == NULL) {
3327 talloc_free(tmp_ctx);
3328 return ldb_oom(samdb);
3330 ret = ldb_msg_add_steal_string(tmp_msg, "namingContexts",
3331 ldb_dn_alloc_linearized(tmp_msg, ldb_get_schema_basedn(samdb)));
3332 if (ret != LDB_SUCCESS) {
3333 talloc_free(tmp_ctx);
3334 return ret;
3336 ret = ldb_msg_add_steal_string(tmp_msg, "namingContexts",
3337 ldb_dn_alloc_linearized(tmp_msg, ldb_get_config_basedn(samdb)));
3338 if (ret != LDB_SUCCESS) {
3339 talloc_free(tmp_ctx);
3340 return ret;
3342 ret = ldb_msg_add_steal_string(tmp_msg, "namingContexts",
3343 ldb_dn_alloc_linearized(tmp_msg, ldb_get_default_basedn(samdb)));
3344 if (ret != LDB_SUCCESS) {
3345 talloc_free(tmp_ctx);
3346 return ret;
3348 el = &tmp_msg->elements[0];
3351 nc_dns = talloc_array(tmp_ctx, struct ldb_dn *, el->num_values);
3352 if (!nc_dns) {
3353 talloc_free(tmp_ctx);
3354 return ldb_oom(samdb);
3357 for (i=0; i<el->num_values; i++) {
3358 nc_dns[i] = ldb_dn_from_ldb_val(nc_dns, samdb, &el->values[i]);
3359 if (nc_dns[i] == NULL) {
3360 talloc_free(tmp_ctx);
3361 return ldb_operr(samdb);
3365 TYPESAFE_QSORT(nc_dns, el->num_values, dsdb_dn_compare_ptrs);
3367 for (i=0; i<el->num_values; i++) {
3368 if (ldb_dn_compare_base(nc_dns[i], dn) == 0) {
3369 (*nc_root) = talloc_steal(mem_ctx, nc_dns[i]);
3370 talloc_free(tmp_ctx);
3371 return LDB_SUCCESS;
3375 talloc_free(tmp_ctx);
3376 return LDB_ERR_NO_SUCH_OBJECT;
3381 find the deleted objects DN for any object, by looking for the NC
3382 root, then looking up the wellknown GUID
3384 int dsdb_get_deleted_objects_dn(struct ldb_context *ldb,
3385 TALLOC_CTX *mem_ctx, struct ldb_dn *obj_dn,
3386 struct ldb_dn **do_dn)
3388 struct ldb_dn *nc_root;
3389 int ret;
3391 ret = dsdb_find_nc_root(ldb, mem_ctx, obj_dn, &nc_root);
3392 if (ret != LDB_SUCCESS) {
3393 return ret;
3396 ret = dsdb_wellknown_dn(ldb, mem_ctx, nc_root, DS_GUID_DELETED_OBJECTS_CONTAINER, do_dn);
3397 talloc_free(nc_root);
3398 return ret;
3402 return the tombstoneLifetime, in days
3404 int dsdb_tombstone_lifetime(struct ldb_context *ldb, uint32_t *lifetime)
3406 struct ldb_dn *dn;
3407 dn = ldb_get_config_basedn(ldb);
3408 if (!dn) {
3409 return LDB_ERR_NO_SUCH_OBJECT;
3411 dn = ldb_dn_copy(ldb, dn);
3412 if (!dn) {
3413 return ldb_operr(ldb);
3415 /* see MS-ADTS section 7.1.1.2.4.1.1. There doesn't appear to
3416 be a wellknown GUID for this */
3417 if (!ldb_dn_add_child_fmt(dn, "CN=Directory Service,CN=Windows NT,CN=Services")) {
3418 talloc_free(dn);
3419 return ldb_operr(ldb);
3422 *lifetime = samdb_search_uint(ldb, dn, 180, dn, "tombstoneLifetime", "objectClass=nTDSService");
3423 talloc_free(dn);
3424 return LDB_SUCCESS;
3428 compare a ldb_val to a string case insensitively
3430 int samdb_ldb_val_case_cmp(const char *s, struct ldb_val *v)
3432 size_t len = strlen(s);
3433 int ret;
3434 if (len > v->length) return 1;
3435 ret = strncasecmp(s, (const char *)v->data, v->length);
3436 if (ret != 0) return ret;
3437 if (v->length > len && v->data[len] != 0) {
3438 return -1;
3440 return 0;
3445 load the UDV for a partition in v2 format
3446 The list is returned sorted, and with our local cursor added
3448 int dsdb_load_udv_v2(struct ldb_context *samdb, struct ldb_dn *dn, TALLOC_CTX *mem_ctx,
3449 struct drsuapi_DsReplicaCursor2 **cursors, uint32_t *count)
3451 static const char *attrs[] = { "replUpToDateVector", NULL };
3452 struct ldb_result *r;
3453 const struct ldb_val *ouv_value;
3454 unsigned int i;
3455 int ret;
3456 uint64_t highest_usn;
3457 const struct GUID *our_invocation_id;
3458 struct timeval now = timeval_current();
3460 ret = ldb_search(samdb, mem_ctx, &r, dn, LDB_SCOPE_BASE, attrs, NULL);
3461 if (ret != LDB_SUCCESS) {
3462 return ret;
3465 ouv_value = ldb_msg_find_ldb_val(r->msgs[0], "replUpToDateVector");
3466 if (ouv_value) {
3467 enum ndr_err_code ndr_err;
3468 struct replUpToDateVectorBlob ouv;
3470 ndr_err = ndr_pull_struct_blob(ouv_value, r, &ouv,
3471 (ndr_pull_flags_fn_t)ndr_pull_replUpToDateVectorBlob);
3472 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
3473 talloc_free(r);
3474 return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
3476 if (ouv.version != 2) {
3477 /* we always store as version 2, and
3478 * replUpToDateVector is not replicated
3480 return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
3483 *count = ouv.ctr.ctr2.count;
3484 *cursors = talloc_steal(mem_ctx, ouv.ctr.ctr2.cursors);
3485 } else {
3486 *count = 0;
3487 *cursors = NULL;
3490 talloc_free(r);
3492 our_invocation_id = samdb_ntds_invocation_id(samdb);
3493 if (!our_invocation_id) {
3494 DEBUG(0,(__location__ ": No invocationID on samdb - %s\n", ldb_errstring(samdb)));
3495 talloc_free(*cursors);
3496 return ldb_operr(samdb);
3499 ret = dsdb_load_partition_usn(samdb, dn, &highest_usn, NULL);
3500 if (ret != LDB_SUCCESS) {
3501 /* nothing to add - this can happen after a vampire */
3502 TYPESAFE_QSORT(*cursors, *count, drsuapi_DsReplicaCursor2_compare);
3503 return LDB_SUCCESS;
3506 for (i=0; i<*count; i++) {
3507 if (GUID_equal(our_invocation_id, &(*cursors)[i].source_dsa_invocation_id)) {
3508 (*cursors)[i].highest_usn = highest_usn;
3509 (*cursors)[i].last_sync_success = timeval_to_nttime(&now);
3510 TYPESAFE_QSORT(*cursors, *count, drsuapi_DsReplicaCursor2_compare);
3511 return LDB_SUCCESS;
3515 (*cursors) = talloc_realloc(mem_ctx, *cursors, struct drsuapi_DsReplicaCursor2, (*count)+1);
3516 if (! *cursors) {
3517 return ldb_oom(samdb);
3520 (*cursors)[*count].source_dsa_invocation_id = *our_invocation_id;
3521 (*cursors)[*count].highest_usn = highest_usn;
3522 (*cursors)[*count].last_sync_success = timeval_to_nttime(&now);
3523 (*count)++;
3525 TYPESAFE_QSORT(*cursors, *count, drsuapi_DsReplicaCursor2_compare);
3527 return LDB_SUCCESS;
3531 load the UDV for a partition in version 1 format
3532 The list is returned sorted, and with our local cursor added
3534 int dsdb_load_udv_v1(struct ldb_context *samdb, struct ldb_dn *dn, TALLOC_CTX *mem_ctx,
3535 struct drsuapi_DsReplicaCursor **cursors, uint32_t *count)
3537 struct drsuapi_DsReplicaCursor2 *v2;
3538 uint32_t i;
3539 int ret;
3541 ret = dsdb_load_udv_v2(samdb, dn, mem_ctx, &v2, count);
3542 if (ret != LDB_SUCCESS) {
3543 return ret;
3546 if (*count == 0) {
3547 talloc_free(v2);
3548 *cursors = NULL;
3549 return LDB_SUCCESS;
3552 *cursors = talloc_array(mem_ctx, struct drsuapi_DsReplicaCursor, *count);
3553 if (*cursors == NULL) {
3554 talloc_free(v2);
3555 return ldb_oom(samdb);
3558 for (i=0; i<*count; i++) {
3559 (*cursors)[i].source_dsa_invocation_id = v2[i].source_dsa_invocation_id;
3560 (*cursors)[i].highest_usn = v2[i].highest_usn;
3562 talloc_free(v2);
3563 return LDB_SUCCESS;
3567 add a set of controls to a ldb_request structure based on a set of
3568 flags. See util.h for a list of available flags
3570 int dsdb_request_add_controls(struct ldb_request *req, uint32_t dsdb_flags)
3572 int ret;
3573 if (dsdb_flags & DSDB_SEARCH_SEARCH_ALL_PARTITIONS) {
3574 struct ldb_search_options_control *options;
3575 /* Using the phantom root control allows us to search all partitions */
3576 options = talloc(req, struct ldb_search_options_control);
3577 if (options == NULL) {
3578 return LDB_ERR_OPERATIONS_ERROR;
3580 options->search_options = LDB_SEARCH_OPTION_PHANTOM_ROOT;
3582 ret = ldb_request_add_control(req,
3583 LDB_CONTROL_SEARCH_OPTIONS_OID,
3584 true, options);
3585 if (ret != LDB_SUCCESS) {
3586 return ret;
3590 if (dsdb_flags & DSDB_SEARCH_NO_GLOBAL_CATALOG) {
3591 ret = ldb_request_add_control(req,
3592 DSDB_CONTROL_NO_GLOBAL_CATALOG,
3593 false, NULL);
3594 if (ret != LDB_SUCCESS) {
3595 return ret;
3599 if (dsdb_flags & DSDB_SEARCH_SHOW_DELETED) {
3600 ret = ldb_request_add_control(req, LDB_CONTROL_SHOW_DELETED_OID, true, NULL);
3601 if (ret != LDB_SUCCESS) {
3602 return ret;
3606 if (dsdb_flags & DSDB_SEARCH_SHOW_RECYCLED) {
3607 ret = ldb_request_add_control(req, LDB_CONTROL_SHOW_RECYCLED_OID, false, NULL);
3608 if (ret != LDB_SUCCESS) {
3609 return ret;
3613 if (dsdb_flags & DSDB_SEARCH_SHOW_DN_IN_STORAGE_FORMAT) {
3614 ret = ldb_request_add_control(req, DSDB_CONTROL_DN_STORAGE_FORMAT_OID, false, NULL);
3615 if (ret != LDB_SUCCESS) {
3616 return ret;
3620 if (dsdb_flags & DSDB_SEARCH_SHOW_EXTENDED_DN) {
3621 struct ldb_extended_dn_control *extended_ctrl = talloc(req, struct ldb_extended_dn_control);
3622 if (!extended_ctrl) {
3623 return LDB_ERR_OPERATIONS_ERROR;
3625 extended_ctrl->type = 1;
3627 ret = ldb_request_add_control(req, LDB_CONTROL_EXTENDED_DN_OID, true, extended_ctrl);
3628 if (ret != LDB_SUCCESS) {
3629 return ret;
3633 if (dsdb_flags & DSDB_SEARCH_REVEAL_INTERNALS) {
3634 ret = ldb_request_add_control(req, LDB_CONTROL_REVEAL_INTERNALS, false, NULL);
3635 if (ret != LDB_SUCCESS) {
3636 return ret;
3640 if (dsdb_flags & DSDB_MODIFY_RELAX) {
3641 ret = ldb_request_add_control(req, LDB_CONTROL_RELAX_OID, false, NULL);
3642 if (ret != LDB_SUCCESS) {
3643 return ret;
3647 if (dsdb_flags & DSDB_MODIFY_PERMISSIVE) {
3648 ret = ldb_request_add_control(req, LDB_CONTROL_PERMISSIVE_MODIFY_OID, false, NULL);
3649 if (ret != LDB_SUCCESS) {
3650 return ret;
3654 if (dsdb_flags & DSDB_FLAG_AS_SYSTEM) {
3655 ret = ldb_request_add_control(req, LDB_CONTROL_AS_SYSTEM_OID, false, NULL);
3656 if (ret != LDB_SUCCESS) {
3657 return ret;
3661 if (dsdb_flags & DSDB_TREE_DELETE) {
3662 ret = ldb_request_add_control(req, LDB_CONTROL_TREE_DELETE_OID, false, NULL);
3663 if (ret != LDB_SUCCESS) {
3664 return ret;
3668 if (dsdb_flags & DSDB_PROVISION) {
3669 ret = ldb_request_add_control(req, LDB_CONTROL_PROVISION_OID, false, NULL);
3670 if (ret != LDB_SUCCESS) {
3671 return ret;
3675 /* This is a special control to bypass the password_hash module for use in pdb_samba4 for Samba3 upgrades */
3676 if (dsdb_flags & DSDB_BYPASS_PASSWORD_HASH) {
3677 ret = ldb_request_add_control(req, DSDB_CONTROL_BYPASS_PASSWORD_HASH_OID, true, NULL);
3678 if (ret != LDB_SUCCESS) {
3679 return ret;
3683 if (dsdb_flags & DSDB_PASSWORD_BYPASS_LAST_SET) {
3684 ret = ldb_request_add_control(req, DSDB_CONTROL_PASSWORD_BYPASS_LAST_SET_OID, true, NULL);
3685 if (ret != LDB_SUCCESS) {
3686 return ret;
3690 if (dsdb_flags & DSDB_MODIFY_PARTIAL_REPLICA) {
3691 ret = ldb_request_add_control(req, DSDB_CONTROL_PARTIAL_REPLICA, false, NULL);
3692 if (ret != LDB_SUCCESS) {
3693 return ret;
3697 return LDB_SUCCESS;
3701 an add with a set of controls
3703 int dsdb_add(struct ldb_context *ldb, const struct ldb_message *message,
3704 uint32_t dsdb_flags)
3706 struct ldb_request *req;
3707 int ret;
3709 ret = ldb_build_add_req(&req, ldb, ldb,
3710 message,
3711 NULL,
3712 NULL,
3713 ldb_op_default_callback,
3714 NULL);
3716 if (ret != LDB_SUCCESS) return ret;
3718 ret = dsdb_request_add_controls(req, dsdb_flags);
3719 if (ret != LDB_SUCCESS) {
3720 talloc_free(req);
3721 return ret;
3724 ret = dsdb_autotransaction_request(ldb, req);
3726 talloc_free(req);
3727 return ret;
3731 a modify with a set of controls
3733 int dsdb_modify(struct ldb_context *ldb, const struct ldb_message *message,
3734 uint32_t dsdb_flags)
3736 struct ldb_request *req;
3737 int ret;
3739 ret = ldb_build_mod_req(&req, ldb, ldb,
3740 message,
3741 NULL,
3742 NULL,
3743 ldb_op_default_callback,
3744 NULL);
3746 if (ret != LDB_SUCCESS) return ret;
3748 ret = dsdb_request_add_controls(req, dsdb_flags);
3749 if (ret != LDB_SUCCESS) {
3750 talloc_free(req);
3751 return ret;
3754 ret = dsdb_autotransaction_request(ldb, req);
3756 talloc_free(req);
3757 return ret;
3761 a delete with a set of flags
3763 int dsdb_delete(struct ldb_context *ldb, struct ldb_dn *dn,
3764 uint32_t dsdb_flags)
3766 struct ldb_request *req;
3767 int ret;
3769 ret = ldb_build_del_req(&req, ldb, ldb,
3771 NULL,
3772 NULL,
3773 ldb_op_default_callback,
3774 NULL);
3776 if (ret != LDB_SUCCESS) return ret;
3778 ret = dsdb_request_add_controls(req, dsdb_flags);
3779 if (ret != LDB_SUCCESS) {
3780 talloc_free(req);
3781 return ret;
3784 ret = dsdb_autotransaction_request(ldb, req);
3786 talloc_free(req);
3787 return ret;
3791 like dsdb_modify() but set all the element flags to
3792 LDB_FLAG_MOD_REPLACE
3794 int dsdb_replace(struct ldb_context *ldb, struct ldb_message *msg, uint32_t dsdb_flags)
3796 unsigned int i;
3798 /* mark all the message elements as LDB_FLAG_MOD_REPLACE */
3799 for (i=0;i<msg->num_elements;i++) {
3800 msg->elements[i].flags = LDB_FLAG_MOD_REPLACE;
3803 return dsdb_modify(ldb, msg, dsdb_flags);
3808 search for attrs on one DN, allowing for dsdb_flags controls
3810 int dsdb_search_dn(struct ldb_context *ldb,
3811 TALLOC_CTX *mem_ctx,
3812 struct ldb_result **_res,
3813 struct ldb_dn *basedn,
3814 const char * const *attrs,
3815 uint32_t dsdb_flags)
3817 int ret;
3818 struct ldb_request *req;
3819 struct ldb_result *res;
3821 res = talloc_zero(mem_ctx, struct ldb_result);
3822 if (!res) {
3823 return ldb_oom(ldb);
3826 ret = ldb_build_search_req(&req, ldb, res,
3827 basedn,
3828 LDB_SCOPE_BASE,
3829 NULL,
3830 attrs,
3831 NULL,
3832 res,
3833 ldb_search_default_callback,
3834 NULL);
3835 if (ret != LDB_SUCCESS) {
3836 talloc_free(res);
3837 return ret;
3840 ret = dsdb_request_add_controls(req, dsdb_flags);
3841 if (ret != LDB_SUCCESS) {
3842 talloc_free(res);
3843 return ret;
3846 ret = ldb_request(ldb, req);
3847 if (ret == LDB_SUCCESS) {
3848 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
3851 talloc_free(req);
3852 if (ret != LDB_SUCCESS) {
3853 talloc_free(res);
3854 return ret;
3857 *_res = res;
3858 return LDB_SUCCESS;
3862 search for attrs on one DN, by the GUID of the DN, allowing for
3863 dsdb_flags controls
3865 int dsdb_search_by_dn_guid(struct ldb_context *ldb,
3866 TALLOC_CTX *mem_ctx,
3867 struct ldb_result **_res,
3868 const struct GUID *guid,
3869 const char * const *attrs,
3870 uint32_t dsdb_flags)
3872 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
3873 struct ldb_dn *dn;
3874 int ret;
3876 dn = ldb_dn_new_fmt(tmp_ctx, ldb, "<GUID=%s>", GUID_string(tmp_ctx, guid));
3877 if (dn == NULL) {
3878 talloc_free(tmp_ctx);
3879 return ldb_oom(ldb);
3882 ret = dsdb_search_dn(ldb, mem_ctx, _res, dn, attrs, dsdb_flags);
3883 talloc_free(tmp_ctx);
3884 return ret;
3888 general search with dsdb_flags for controls
3890 int dsdb_search(struct ldb_context *ldb,
3891 TALLOC_CTX *mem_ctx,
3892 struct ldb_result **_res,
3893 struct ldb_dn *basedn,
3894 enum ldb_scope scope,
3895 const char * const *attrs,
3896 uint32_t dsdb_flags,
3897 const char *exp_fmt, ...) _PRINTF_ATTRIBUTE(8, 9)
3899 int ret;
3900 struct ldb_request *req;
3901 struct ldb_result *res;
3902 va_list ap;
3903 char *expression = NULL;
3904 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
3906 /* cross-partitions searches with a basedn break multi-domain support */
3907 SMB_ASSERT(basedn == NULL || (dsdb_flags & DSDB_SEARCH_SEARCH_ALL_PARTITIONS) == 0);
3909 res = talloc_zero(tmp_ctx, struct ldb_result);
3910 if (!res) {
3911 talloc_free(tmp_ctx);
3912 return ldb_oom(ldb);
3915 if (exp_fmt) {
3916 va_start(ap, exp_fmt);
3917 expression = talloc_vasprintf(tmp_ctx, exp_fmt, ap);
3918 va_end(ap);
3920 if (!expression) {
3921 talloc_free(tmp_ctx);
3922 return ldb_oom(ldb);
3926 ret = ldb_build_search_req(&req, ldb, tmp_ctx,
3927 basedn,
3928 scope,
3929 expression,
3930 attrs,
3931 NULL,
3932 res,
3933 ldb_search_default_callback,
3934 NULL);
3935 if (ret != LDB_SUCCESS) {
3936 talloc_free(tmp_ctx);
3937 return ret;
3940 ret = dsdb_request_add_controls(req, dsdb_flags);
3941 if (ret != LDB_SUCCESS) {
3942 talloc_free(tmp_ctx);
3943 ldb_reset_err_string(ldb);
3944 return ret;
3947 ret = ldb_request(ldb, req);
3948 if (ret == LDB_SUCCESS) {
3949 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
3952 if (ret != LDB_SUCCESS) {
3953 talloc_free(tmp_ctx);
3954 return ret;
3957 if (dsdb_flags & DSDB_SEARCH_ONE_ONLY) {
3958 if (res->count == 0) {
3959 talloc_free(tmp_ctx);
3960 ldb_reset_err_string(ldb);
3961 return LDB_ERR_NO_SUCH_OBJECT;
3963 if (res->count != 1) {
3964 talloc_free(tmp_ctx);
3965 ldb_reset_err_string(ldb);
3966 return LDB_ERR_CONSTRAINT_VIOLATION;
3970 *_res = talloc_steal(mem_ctx, res);
3971 talloc_free(tmp_ctx);
3973 return LDB_SUCCESS;
3978 general search with dsdb_flags for controls
3979 returns exactly 1 record or an error
3981 int dsdb_search_one(struct ldb_context *ldb,
3982 TALLOC_CTX *mem_ctx,
3983 struct ldb_message **msg,
3984 struct ldb_dn *basedn,
3985 enum ldb_scope scope,
3986 const char * const *attrs,
3987 uint32_t dsdb_flags,
3988 const char *exp_fmt, ...) _PRINTF_ATTRIBUTE(8, 9)
3990 int ret;
3991 struct ldb_result *res;
3992 va_list ap;
3993 char *expression = NULL;
3994 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
3996 dsdb_flags |= DSDB_SEARCH_ONE_ONLY;
3998 res = talloc_zero(tmp_ctx, struct ldb_result);
3999 if (!res) {
4000 talloc_free(tmp_ctx);
4001 return ldb_oom(ldb);
4004 if (exp_fmt) {
4005 va_start(ap, exp_fmt);
4006 expression = talloc_vasprintf(tmp_ctx, exp_fmt, ap);
4007 va_end(ap);
4009 if (!expression) {
4010 talloc_free(tmp_ctx);
4011 return ldb_oom(ldb);
4013 ret = dsdb_search(ldb, tmp_ctx, &res, basedn, scope, attrs,
4014 dsdb_flags, "%s", expression);
4015 } else {
4016 ret = dsdb_search(ldb, tmp_ctx, &res, basedn, scope, attrs,
4017 dsdb_flags, NULL);
4020 if (ret != LDB_SUCCESS) {
4021 talloc_free(tmp_ctx);
4022 return ret;
4025 *msg = talloc_steal(mem_ctx, res->msgs[0]);
4026 talloc_free(tmp_ctx);
4028 return LDB_SUCCESS;
4031 /* returns back the forest DNS name */
4032 const char *samdb_forest_name(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
4034 const char *forest_name = ldb_dn_canonical_string(mem_ctx,
4035 ldb_get_root_basedn(ldb));
4036 char *p;
4038 if (forest_name == NULL) {
4039 return NULL;
4042 p = strchr(forest_name, '/');
4043 if (p) {
4044 *p = '\0';
4047 return forest_name;
4050 /* returns back the default domain DNS name */
4051 const char *samdb_default_domain_name(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
4053 const char *domain_name = ldb_dn_canonical_string(mem_ctx,
4054 ldb_get_default_basedn(ldb));
4055 char *p;
4057 if (domain_name == NULL) {
4058 return NULL;
4061 p = strchr(domain_name, '/');
4062 if (p) {
4063 *p = '\0';
4066 return domain_name;
4070 validate that an DSA GUID belongs to the specified user sid.
4071 The user SID must be a domain controller account (either RODC or
4072 RWDC)
4074 int dsdb_validate_dsa_guid(struct ldb_context *ldb,
4075 const struct GUID *dsa_guid,
4076 const struct dom_sid *sid)
4078 /* strategy:
4079 - find DN of record with the DSA GUID in the
4080 configuration partition (objectGUID)
4081 - remove "NTDS Settings" component from DN
4082 - do a base search on that DN for serverReference with
4083 extended-dn enabled
4084 - extract objectSid from resulting serverReference
4085 attribute
4086 - check this sid matches the sid argument
4088 struct ldb_dn *config_dn;
4089 TALLOC_CTX *tmp_ctx = talloc_new(ldb);
4090 struct ldb_message *msg;
4091 const char *attrs1[] = { NULL };
4092 const char *attrs2[] = { "serverReference", NULL };
4093 int ret;
4094 struct ldb_dn *dn, *account_dn;
4095 struct dom_sid sid2;
4096 NTSTATUS status;
4098 config_dn = ldb_get_config_basedn(ldb);
4100 ret = dsdb_search_one(ldb, tmp_ctx, &msg, config_dn, LDB_SCOPE_SUBTREE,
4101 attrs1, 0, "(&(objectGUID=%s)(objectClass=nTDSDSA))", GUID_string(tmp_ctx, dsa_guid));
4102 if (ret != LDB_SUCCESS) {
4103 DEBUG(1,(__location__ ": Failed to find DSA objectGUID %s for sid %s\n",
4104 GUID_string(tmp_ctx, dsa_guid), dom_sid_string(tmp_ctx, sid)));
4105 talloc_free(tmp_ctx);
4106 return ldb_operr(ldb);
4108 dn = msg->dn;
4110 if (!ldb_dn_remove_child_components(dn, 1)) {
4111 talloc_free(tmp_ctx);
4112 return ldb_operr(ldb);
4115 ret = dsdb_search_one(ldb, tmp_ctx, &msg, dn, LDB_SCOPE_BASE,
4116 attrs2, DSDB_SEARCH_SHOW_EXTENDED_DN,
4117 "(objectClass=server)");
4118 if (ret != LDB_SUCCESS) {
4119 DEBUG(1,(__location__ ": Failed to find server record for DSA with objectGUID %s, sid %s\n",
4120 GUID_string(tmp_ctx, dsa_guid), dom_sid_string(tmp_ctx, sid)));
4121 talloc_free(tmp_ctx);
4122 return ldb_operr(ldb);
4125 account_dn = ldb_msg_find_attr_as_dn(ldb, tmp_ctx, msg, "serverReference");
4126 if (account_dn == NULL) {
4127 DEBUG(1,(__location__ ": Failed to find account_dn for DSA with objectGUID %s, sid %s\n",
4128 GUID_string(tmp_ctx, dsa_guid), dom_sid_string(tmp_ctx, sid)));
4129 talloc_free(tmp_ctx);
4130 return ldb_operr(ldb);
4133 status = dsdb_get_extended_dn_sid(account_dn, &sid2, "SID");
4134 if (!NT_STATUS_IS_OK(status)) {
4135 DEBUG(1,(__location__ ": Failed to find SID for DSA with objectGUID %s, sid %s\n",
4136 GUID_string(tmp_ctx, dsa_guid), dom_sid_string(tmp_ctx, sid)));
4137 talloc_free(tmp_ctx);
4138 return ldb_operr(ldb);
4141 if (!dom_sid_equal(sid, &sid2)) {
4142 /* someone is trying to spoof another account */
4143 DEBUG(0,(__location__ ": Bad DSA objectGUID %s for sid %s - expected sid %s\n",
4144 GUID_string(tmp_ctx, dsa_guid),
4145 dom_sid_string(tmp_ctx, sid),
4146 dom_sid_string(tmp_ctx, &sid2)));
4147 talloc_free(tmp_ctx);
4148 return ldb_operr(ldb);
4151 talloc_free(tmp_ctx);
4152 return LDB_SUCCESS;
4155 static const char * const secret_attributes[] = {
4156 DSDB_SECRET_ATTRIBUTES,
4157 NULL
4161 check if the attribute belongs to the RODC filtered attribute set
4162 Note that attributes that are in the filtered attribute set are the
4163 ones that _are_ always sent to a RODC
4165 bool dsdb_attr_in_rodc_fas(const struct dsdb_attribute *sa)
4167 /* they never get secret attributes */
4168 if (is_attr_in_list(secret_attributes, sa->lDAPDisplayName)) {
4169 return false;
4172 /* they do get non-secret critical attributes */
4173 if (sa->schemaFlagsEx & SCHEMA_FLAG_ATTR_IS_CRITICAL) {
4174 return true;
4177 /* they do get non-secret attributes marked as being in the FAS */
4178 if (sa->searchFlags & SEARCH_FLAG_RODC_ATTRIBUTE) {
4179 return true;
4182 /* other attributes are denied */
4183 return false;
4186 /* return fsmo role dn and role owner dn for a particular role*/
4187 WERROR dsdb_get_fsmo_role_info(TALLOC_CTX *tmp_ctx,
4188 struct ldb_context *ldb,
4189 uint32_t role,
4190 struct ldb_dn **fsmo_role_dn,
4191 struct ldb_dn **role_owner_dn)
4193 int ret;
4194 switch (role) {
4195 case DREPL_NAMING_MASTER:
4196 *fsmo_role_dn = samdb_partitions_dn(ldb, tmp_ctx);
4197 ret = samdb_reference_dn(ldb, tmp_ctx, *fsmo_role_dn, "fSMORoleOwner", role_owner_dn);
4198 if (ret != LDB_SUCCESS) {
4199 DEBUG(0,(__location__ ": Failed to find fSMORoleOwner in Naming Master object - %s",
4200 ldb_errstring(ldb)));
4201 talloc_free(tmp_ctx);
4202 return WERR_DS_DRA_INTERNAL_ERROR;
4204 break;
4205 case DREPL_INFRASTRUCTURE_MASTER:
4206 *fsmo_role_dn = samdb_infrastructure_dn(ldb, tmp_ctx);
4207 ret = samdb_reference_dn(ldb, tmp_ctx, *fsmo_role_dn, "fSMORoleOwner", role_owner_dn);
4208 if (ret != LDB_SUCCESS) {
4209 DEBUG(0,(__location__ ": Failed to find fSMORoleOwner in Schema Master object - %s",
4210 ldb_errstring(ldb)));
4211 talloc_free(tmp_ctx);
4212 return WERR_DS_DRA_INTERNAL_ERROR;
4214 break;
4215 case DREPL_RID_MASTER:
4216 ret = samdb_rid_manager_dn(ldb, tmp_ctx, fsmo_role_dn);
4217 if (ret != LDB_SUCCESS) {
4218 DEBUG(0, (__location__ ": Failed to find RID Manager object - %s", ldb_errstring(ldb)));
4219 talloc_free(tmp_ctx);
4220 return WERR_DS_DRA_INTERNAL_ERROR;
4223 ret = samdb_reference_dn(ldb, tmp_ctx, *fsmo_role_dn, "fSMORoleOwner", role_owner_dn);
4224 if (ret != LDB_SUCCESS) {
4225 DEBUG(0,(__location__ ": Failed to find fSMORoleOwner in RID Manager object - %s",
4226 ldb_errstring(ldb)));
4227 talloc_free(tmp_ctx);
4228 return WERR_DS_DRA_INTERNAL_ERROR;
4230 break;
4231 case DREPL_SCHEMA_MASTER:
4232 *fsmo_role_dn = ldb_get_schema_basedn(ldb);
4233 ret = samdb_reference_dn(ldb, tmp_ctx, *fsmo_role_dn, "fSMORoleOwner", role_owner_dn);
4234 if (ret != LDB_SUCCESS) {
4235 DEBUG(0,(__location__ ": Failed to find fSMORoleOwner in Schema Master object - %s",
4236 ldb_errstring(ldb)));
4237 talloc_free(tmp_ctx);
4238 return WERR_DS_DRA_INTERNAL_ERROR;
4240 break;
4241 case DREPL_PDC_MASTER:
4242 *fsmo_role_dn = ldb_get_default_basedn(ldb);
4243 ret = samdb_reference_dn(ldb, tmp_ctx, *fsmo_role_dn, "fSMORoleOwner", role_owner_dn);
4244 if (ret != LDB_SUCCESS) {
4245 DEBUG(0,(__location__ ": Failed to find fSMORoleOwner in Pd Master object - %s",
4246 ldb_errstring(ldb)));
4247 talloc_free(tmp_ctx);
4248 return WERR_DS_DRA_INTERNAL_ERROR;
4250 break;
4251 default:
4252 return WERR_DS_DRA_INTERNAL_ERROR;
4254 return WERR_OK;
4257 const char *samdb_dn_to_dnshostname(struct ldb_context *ldb,
4258 TALLOC_CTX *mem_ctx,
4259 struct ldb_dn *server_dn)
4261 int ldb_ret;
4262 struct ldb_result *res = NULL;
4263 const char * const attrs[] = { "dNSHostName", NULL};
4265 ldb_ret = ldb_search(ldb, mem_ctx, &res,
4266 server_dn,
4267 LDB_SCOPE_BASE,
4268 attrs, NULL);
4269 if (ldb_ret != LDB_SUCCESS) {
4270 DEBUG(4, ("Failed to find dNSHostName for dn %s, ldb error: %s",
4271 ldb_dn_get_linearized(server_dn), ldb_errstring(ldb)));
4272 return NULL;
4275 return ldb_msg_find_attr_as_string(res->msgs[0], "dNSHostName", NULL);
4279 returns true if an attribute is in the filter,
4280 false otherwise, provided that attribute value is provided with the expression
4282 bool dsdb_attr_in_parse_tree(struct ldb_parse_tree *tree,
4283 const char *attr)
4285 unsigned int i;
4286 switch (tree->operation) {
4287 case LDB_OP_AND:
4288 case LDB_OP_OR:
4289 for (i=0;i<tree->u.list.num_elements;i++) {
4290 if (dsdb_attr_in_parse_tree(tree->u.list.elements[i],
4291 attr))
4292 return true;
4294 return false;
4295 case LDB_OP_NOT:
4296 return dsdb_attr_in_parse_tree(tree->u.isnot.child, attr);
4297 case LDB_OP_EQUALITY:
4298 case LDB_OP_GREATER:
4299 case LDB_OP_LESS:
4300 case LDB_OP_APPROX:
4301 if (ldb_attr_cmp(tree->u.equality.attr, attr) == 0) {
4302 return true;
4304 return false;
4305 case LDB_OP_SUBSTRING:
4306 if (ldb_attr_cmp(tree->u.substring.attr, attr) == 0) {
4307 return true;
4309 return false;
4310 case LDB_OP_PRESENT:
4311 /* (attrname=*) is not filtered out */
4312 return false;
4313 case LDB_OP_EXTENDED:
4314 if (tree->u.extended.attr &&
4315 ldb_attr_cmp(tree->u.extended.attr, attr) == 0) {
4316 return true;
4318 return false;
4320 return false;
4323 bool is_attr_in_list(const char * const * attrs, const char *attr)
4325 unsigned int i;
4327 for (i = 0; attrs[i]; i++) {
4328 if (ldb_attr_cmp(attrs[i], attr) == 0)
4329 return true;
4332 return false;
4337 map an ldb error code to an approximate NTSTATUS code
4339 NTSTATUS dsdb_ldb_err_to_ntstatus(int err)
4341 switch (err) {
4342 case LDB_SUCCESS:
4343 return NT_STATUS_OK;
4345 case LDB_ERR_PROTOCOL_ERROR:
4346 return NT_STATUS_DEVICE_PROTOCOL_ERROR;
4348 case LDB_ERR_TIME_LIMIT_EXCEEDED:
4349 return NT_STATUS_IO_TIMEOUT;
4351 case LDB_ERR_SIZE_LIMIT_EXCEEDED:
4352 return NT_STATUS_BUFFER_TOO_SMALL;
4354 case LDB_ERR_COMPARE_FALSE:
4355 case LDB_ERR_COMPARE_TRUE:
4356 return NT_STATUS_REVISION_MISMATCH;
4358 case LDB_ERR_AUTH_METHOD_NOT_SUPPORTED:
4359 return NT_STATUS_NOT_SUPPORTED;
4361 case LDB_ERR_STRONG_AUTH_REQUIRED:
4362 case LDB_ERR_CONFIDENTIALITY_REQUIRED:
4363 case LDB_ERR_SASL_BIND_IN_PROGRESS:
4364 case LDB_ERR_INAPPROPRIATE_AUTHENTICATION:
4365 case LDB_ERR_INVALID_CREDENTIALS:
4366 case LDB_ERR_INSUFFICIENT_ACCESS_RIGHTS:
4367 case LDB_ERR_UNWILLING_TO_PERFORM:
4368 return NT_STATUS_ACCESS_DENIED;
4370 case LDB_ERR_NO_SUCH_OBJECT:
4371 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
4373 case LDB_ERR_REFERRAL:
4374 case LDB_ERR_NO_SUCH_ATTRIBUTE:
4375 return NT_STATUS_NOT_FOUND;
4377 case LDB_ERR_UNSUPPORTED_CRITICAL_EXTENSION:
4378 return NT_STATUS_NOT_SUPPORTED;
4380 case LDB_ERR_ADMIN_LIMIT_EXCEEDED:
4381 return NT_STATUS_BUFFER_TOO_SMALL;
4383 case LDB_ERR_UNDEFINED_ATTRIBUTE_TYPE:
4384 case LDB_ERR_INAPPROPRIATE_MATCHING:
4385 case LDB_ERR_CONSTRAINT_VIOLATION:
4386 case LDB_ERR_INVALID_ATTRIBUTE_SYNTAX:
4387 case LDB_ERR_INVALID_DN_SYNTAX:
4388 case LDB_ERR_NAMING_VIOLATION:
4389 case LDB_ERR_OBJECT_CLASS_VIOLATION:
4390 case LDB_ERR_NOT_ALLOWED_ON_NON_LEAF:
4391 case LDB_ERR_NOT_ALLOWED_ON_RDN:
4392 return NT_STATUS_INVALID_PARAMETER;
4394 case LDB_ERR_ATTRIBUTE_OR_VALUE_EXISTS:
4395 case LDB_ERR_ENTRY_ALREADY_EXISTS:
4396 return NT_STATUS_ERROR_DS_OBJ_STRING_NAME_EXISTS;
4398 case LDB_ERR_BUSY:
4399 return NT_STATUS_NETWORK_BUSY;
4401 case LDB_ERR_ALIAS_PROBLEM:
4402 case LDB_ERR_ALIAS_DEREFERENCING_PROBLEM:
4403 case LDB_ERR_UNAVAILABLE:
4404 case LDB_ERR_LOOP_DETECT:
4405 case LDB_ERR_OBJECT_CLASS_MODS_PROHIBITED:
4406 case LDB_ERR_AFFECTS_MULTIPLE_DSAS:
4407 case LDB_ERR_OTHER:
4408 case LDB_ERR_OPERATIONS_ERROR:
4409 break;
4411 return NT_STATUS_UNSUCCESSFUL;
4416 create a new naming context that will hold a partial replica
4418 int dsdb_create_partial_replica_NC(struct ldb_context *ldb, struct ldb_dn *dn)
4420 TALLOC_CTX *tmp_ctx = talloc_new(ldb);
4421 struct ldb_message *msg;
4422 int ret;
4424 msg = ldb_msg_new(tmp_ctx);
4425 if (msg == NULL) {
4426 talloc_free(tmp_ctx);
4427 return ldb_oom(ldb);
4430 msg->dn = dn;
4431 ret = ldb_msg_add_string(msg, "objectClass", "top");
4432 if (ret != LDB_SUCCESS) {
4433 talloc_free(tmp_ctx);
4434 return ldb_oom(ldb);
4437 /* [MS-DRSR] implies that we should only add the 'top'
4438 * objectclass, but that would cause lots of problems with our
4439 * objectclass code as top is not structural, so we add
4440 * 'domainDNS' as well to keep things sane. We're expecting
4441 * this new NC to be of objectclass domainDNS after
4442 * replication anyway
4444 ret = ldb_msg_add_string(msg, "objectClass", "domainDNS");
4445 if (ret != LDB_SUCCESS) {
4446 talloc_free(tmp_ctx);
4447 return ldb_oom(ldb);
4450 ret = ldb_msg_add_fmt(msg, "instanceType", "%u",
4451 INSTANCE_TYPE_IS_NC_HEAD|
4452 INSTANCE_TYPE_NC_ABOVE|
4453 INSTANCE_TYPE_UNINSTANT);
4454 if (ret != LDB_SUCCESS) {
4455 talloc_free(tmp_ctx);
4456 return ldb_oom(ldb);
4459 ret = dsdb_add(ldb, msg, DSDB_MODIFY_PARTIAL_REPLICA);
4460 if (ret != LDB_SUCCESS && ret != LDB_ERR_ENTRY_ALREADY_EXISTS) {
4461 DEBUG(0,("Failed to create new NC for %s - %s (%s)\n",
4462 ldb_dn_get_linearized(dn),
4463 ldb_errstring(ldb), ldb_strerror(ret)));
4464 talloc_free(tmp_ctx);
4465 return ret;
4468 DEBUG(1,("Created new NC for %s\n", ldb_dn_get_linearized(dn)));
4470 talloc_free(tmp_ctx);
4471 return LDB_SUCCESS;
4475 build a GUID from a string
4477 _PUBLIC_ NTSTATUS NS_GUID_from_string(const char *s, struct GUID *guid)
4479 NTSTATUS status = NT_STATUS_INVALID_PARAMETER;
4480 uint32_t time_low;
4481 uint32_t time_mid, time_hi_and_version;
4482 uint32_t clock_seq[2];
4483 uint32_t node[6];
4484 int i;
4486 if (s == NULL) {
4487 return NT_STATUS_INVALID_PARAMETER;
4490 if (11 == sscanf(s, "%08x-%04x%04x-%02x%02x%02x%02x-%02x%02x%02x%02x",
4491 &time_low, &time_mid, &time_hi_and_version,
4492 &clock_seq[0], &clock_seq[1],
4493 &node[0], &node[1], &node[2], &node[3], &node[4], &node[5])) {
4494 status = NT_STATUS_OK;
4497 if (!NT_STATUS_IS_OK(status)) {
4498 return status;
4501 guid->time_low = time_low;
4502 guid->time_mid = time_mid;
4503 guid->time_hi_and_version = time_hi_and_version;
4504 guid->clock_seq[0] = clock_seq[0];
4505 guid->clock_seq[1] = clock_seq[1];
4506 for (i=0;i<6;i++) {
4507 guid->node[i] = node[i];
4510 return NT_STATUS_OK;
4513 _PUBLIC_ char *NS_GUID_string(TALLOC_CTX *mem_ctx, const struct GUID *guid)
4515 return talloc_asprintf(mem_ctx,
4516 "%08x-%04x%04x-%02x%02x%02x%02x-%02x%02x%02x%02x",
4517 guid->time_low, guid->time_mid,
4518 guid->time_hi_and_version,
4519 guid->clock_seq[0],
4520 guid->clock_seq[1],
4521 guid->node[0], guid->node[1],
4522 guid->node[2], guid->node[3],
4523 guid->node[4], guid->node[5]);