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/>.
25 #include "events/events.h"
27 #include "ldb_errors.h"
28 #include "../lib/util/util_ldb.h"
29 #include "../lib/crypto/crypto.h"
30 #include "dsdb/samdb/samdb.h"
31 #include "libcli/security/security.h"
32 #include "librpc/gen_ndr/ndr_security.h"
33 #include "librpc/gen_ndr/ndr_misc.h"
34 #include "../libds/common/flags.h"
35 #include "dsdb/common/proto.h"
36 #include "libcli/ldap/ldap_ndr.h"
37 #include "param/param.h"
38 #include "libcli/auth/libcli_auth.h"
39 #include "librpc/gen_ndr/ndr_drsblobs.h"
40 #include "system/locale.h"
41 #include "lib/util/tsort.h"
44 search the sam for the specified attributes in a specific domain, filter on
45 objectSid being in domain_sid.
47 int samdb_search_domain(struct ldb_context *sam_ldb,
49 struct ldb_dn *basedn,
50 struct ldb_message ***res,
51 const char * const *attrs,
52 const struct dom_sid *domain_sid,
53 const char *format, ...) _PRINTF_ATTRIBUTE(7,8)
59 count = gendb_search_v(sam_ldb, mem_ctx, basedn,
60 res, attrs, format, ap);
66 struct dom_sid *entry_sid;
68 entry_sid = samdb_result_dom_sid(mem_ctx, (*res)[i], "objectSid");
70 if ((entry_sid == NULL) ||
71 (!dom_sid_in_domain(domain_sid, entry_sid))) {
72 /* Delete that entry from the result set */
73 (*res)[i] = (*res)[count-1];
75 talloc_free(entry_sid);
78 talloc_free(entry_sid);
86 search the sam for a single string attribute in exactly 1 record
88 const char *samdb_search_string_v(struct ldb_context *sam_ldb,
90 struct ldb_dn *basedn,
91 const char *attr_name,
92 const char *format, va_list ap) _PRINTF_ATTRIBUTE(5,0)
95 const char *attrs[2] = { NULL, NULL };
96 struct ldb_message **res = NULL;
100 count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, attrs, format, ap);
102 DEBUG(1,("samdb: search for %s %s not single valued (count=%d)\n",
103 attr_name, format, count));
110 return samdb_result_string(res[0], attr_name, NULL);
114 search the sam for a single string attribute in exactly 1 record
116 const char *samdb_search_string(struct ldb_context *sam_ldb,
118 struct ldb_dn *basedn,
119 const char *attr_name,
120 const char *format, ...) _PRINTF_ATTRIBUTE(5,6)
125 va_start(ap, format);
126 str = samdb_search_string_v(sam_ldb, mem_ctx, basedn, attr_name, format, ap);
132 struct ldb_dn *samdb_search_dn(struct ldb_context *sam_ldb,
134 struct ldb_dn *basedn,
135 const char *format, ...) _PRINTF_ATTRIBUTE(4,5)
139 struct ldb_message **res = NULL;
142 va_start(ap, format);
143 count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, NULL, format, ap);
146 if (count != 1) return NULL;
148 ret = talloc_steal(mem_ctx, res[0]->dn);
155 search the sam for a dom_sid attribute in exactly 1 record
157 struct dom_sid *samdb_search_dom_sid(struct ldb_context *sam_ldb,
159 struct ldb_dn *basedn,
160 const char *attr_name,
161 const char *format, ...) _PRINTF_ATTRIBUTE(5,6)
165 struct ldb_message **res;
166 const char *attrs[2] = { NULL, NULL };
169 attrs[0] = attr_name;
171 va_start(ap, format);
172 count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, attrs, format, ap);
175 DEBUG(1,("samdb: search for %s %s not single valued (count=%d)\n",
176 attr_name, format, count));
182 sid = samdb_result_dom_sid(mem_ctx, res[0], attr_name);
188 return the count of the number of records in the sam matching the query
190 int samdb_search_count(struct ldb_context *sam_ldb,
191 struct ldb_dn *basedn,
192 const char *format, ...) _PRINTF_ATTRIBUTE(3,4)
195 struct ldb_message **res;
196 const char *attrs[] = { NULL };
198 TALLOC_CTX *tmp_ctx = talloc_new(sam_ldb);
200 va_start(ap, format);
201 ret = gendb_search_v(sam_ldb, tmp_ctx, basedn, &res, attrs, format, ap);
203 talloc_free(tmp_ctx);
210 search the sam for a single integer attribute in exactly 1 record
212 unsigned int samdb_search_uint(struct ldb_context *sam_ldb,
214 unsigned int default_value,
215 struct ldb_dn *basedn,
216 const char *attr_name,
217 const char *format, ...) _PRINTF_ATTRIBUTE(6,7)
221 struct ldb_message **res;
222 const char *attrs[2] = { NULL, NULL };
224 attrs[0] = attr_name;
226 va_start(ap, format);
227 count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, attrs, format, ap);
231 return default_value;
234 return samdb_result_uint(res[0], attr_name, default_value);
238 search the sam for a single signed 64 bit integer attribute in exactly 1 record
240 int64_t samdb_search_int64(struct ldb_context *sam_ldb,
242 int64_t default_value,
243 struct ldb_dn *basedn,
244 const char *attr_name,
245 const char *format, ...) _PRINTF_ATTRIBUTE(6,7)
249 struct ldb_message **res;
250 const char *attrs[2] = { NULL, NULL };
252 attrs[0] = attr_name;
254 va_start(ap, format);
255 count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, attrs, format, ap);
259 return default_value;
262 return samdb_result_int64(res[0], attr_name, default_value);
266 search the sam for multipe records each giving a single string attribute
267 return the number of matches, or -1 on error
269 int samdb_search_string_multiple(struct ldb_context *sam_ldb,
271 struct ldb_dn *basedn,
273 const char *attr_name,
274 const char *format, ...) _PRINTF_ATTRIBUTE(6,7)
278 const char *attrs[2] = { NULL, NULL };
279 struct ldb_message **res = NULL;
281 attrs[0] = attr_name;
283 va_start(ap, format);
284 count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, attrs, format, ap);
291 /* make sure its single valued */
292 for (i=0;i<count;i++) {
293 if (res[i]->num_elements != 1) {
294 DEBUG(1,("samdb: search for %s %s not single valued\n",
301 *strs = talloc_array(mem_ctx, const char *, count+1);
307 for (i=0;i<count;i++) {
308 (*strs)[i] = samdb_result_string(res[i], attr_name, NULL);
310 (*strs)[count] = NULL;
316 pull a uint from a result set.
318 unsigned int samdb_result_uint(const struct ldb_message *msg, const char *attr, unsigned int default_value)
320 return ldb_msg_find_attr_as_uint(msg, attr, default_value);
324 pull a (signed) int64 from a result set.
326 int64_t samdb_result_int64(const struct ldb_message *msg, const char *attr, int64_t default_value)
328 return ldb_msg_find_attr_as_int64(msg, attr, default_value);
332 pull a string from a result set.
334 const char *samdb_result_string(const struct ldb_message *msg, const char *attr,
335 const char *default_value)
337 return ldb_msg_find_attr_as_string(msg, attr, default_value);
340 struct ldb_dn *samdb_result_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
341 const char *attr, struct ldb_dn *default_value)
343 struct ldb_dn *ret_dn = ldb_msg_find_attr_as_dn(ldb, mem_ctx, msg, attr);
345 return default_value;
351 pull a rid from a objectSid in a result set.
353 uint32_t samdb_result_rid_from_sid(TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
354 const char *attr, uint32_t default_value)
359 sid = samdb_result_dom_sid(mem_ctx, msg, attr);
361 return default_value;
363 rid = sid->sub_auths[sid->num_auths-1];
369 pull a dom_sid structure from a objectSid in a result set.
371 struct dom_sid *samdb_result_dom_sid(TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
374 const struct ldb_val *v;
376 enum ndr_err_code ndr_err;
377 v = ldb_msg_find_ldb_val(msg, attr);
381 sid = talloc(mem_ctx, struct dom_sid);
385 ndr_err = ndr_pull_struct_blob(v, sid, NULL, sid,
386 (ndr_pull_flags_fn_t)ndr_pull_dom_sid);
387 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
395 pull a guid structure from a objectGUID in a result set.
397 struct GUID samdb_result_guid(const struct ldb_message *msg, const char *attr)
399 const struct ldb_val *v;
403 v = ldb_msg_find_ldb_val(msg, attr);
404 if (!v) return GUID_zero();
406 status = GUID_from_ndr_blob(v, &guid);
407 if (!NT_STATUS_IS_OK(status)) {
415 pull a sid prefix from a objectSid in a result set.
416 this is used to find the domain sid for a user
418 struct dom_sid *samdb_result_sid_prefix(TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
421 struct dom_sid *sid = samdb_result_dom_sid(mem_ctx, msg, attr);
422 if (!sid || sid->num_auths < 1) return NULL;
428 pull a NTTIME in a result set.
430 NTTIME samdb_result_nttime(const struct ldb_message *msg, const char *attr,
431 NTTIME default_value)
433 return ldb_msg_find_attr_as_uint64(msg, attr, default_value);
437 * Windows stores 0 for lastLogoff.
438 * But when a MS DC return the lastLogoff (as Logoff Time)
439 * it returns 0x7FFFFFFFFFFFFFFF, not returning this value in this case
440 * cause windows 2008 and newer version to fail for SMB requests
442 NTTIME samdb_result_last_logoff(const struct ldb_message *msg)
444 NTTIME ret = ldb_msg_find_attr_as_uint64(msg, "lastLogoff",0);
447 ret = 0x7FFFFFFFFFFFFFFFULL;
453 * Windows uses both 0 and 9223372036854775807 (0x7FFFFFFFFFFFFFFFULL) to
454 * indicate an account doesn't expire.
456 * When Windows initially creates an account, it sets
457 * accountExpires = 9223372036854775807 (0x7FFFFFFFFFFFFFFF). However,
458 * when changing from an account having a specific expiration date to
459 * that account never expiring, it sets accountExpires = 0.
461 * Consolidate that logic here to allow clearer logic for account expiry in
462 * the rest of the code.
464 NTTIME samdb_result_account_expires(const struct ldb_message *msg)
466 NTTIME ret = ldb_msg_find_attr_as_uint64(msg, "accountExpires",
470 ret = 0x7FFFFFFFFFFFFFFFULL;
476 pull a uint64_t from a result set.
478 uint64_t samdb_result_uint64(const struct ldb_message *msg, const char *attr,
479 uint64_t default_value)
481 return ldb_msg_find_attr_as_uint64(msg, attr, default_value);
486 construct the allow_password_change field from the PwdLastSet attribute and the
487 domain password settings
489 NTTIME samdb_result_allow_password_change(struct ldb_context *sam_ldb,
491 struct ldb_dn *domain_dn,
492 struct ldb_message *msg,
495 uint64_t attr_time = samdb_result_uint64(msg, attr, 0);
498 if (attr_time == 0) {
502 minPwdAge = samdb_search_int64(sam_ldb, mem_ctx, 0, domain_dn, "minPwdAge", NULL);
504 /* yes, this is a -= not a += as minPwdAge is stored as the negative
505 of the number of 100-nano-seconds */
506 attr_time -= minPwdAge;
512 construct the force_password_change field from the PwdLastSet
513 attribute, the userAccountControl and the domain password settings
515 NTTIME samdb_result_force_password_change(struct ldb_context *sam_ldb,
517 struct ldb_dn *domain_dn,
518 struct ldb_message *msg)
520 uint64_t attr_time = samdb_result_uint64(msg, "pwdLastSet", 0);
521 uint32_t userAccountControl = samdb_result_uint64(msg, "userAccountControl", 0);
524 /* Machine accounts don't expire, and there is a flag for 'no expiry' */
525 if (!(userAccountControl & UF_NORMAL_ACCOUNT)
526 || (userAccountControl & UF_DONT_EXPIRE_PASSWD)) {
527 return 0x7FFFFFFFFFFFFFFFULL;
530 if (attr_time == 0) {
534 maxPwdAge = samdb_search_int64(sam_ldb, mem_ctx, 0, domain_dn, "maxPwdAge", NULL);
535 if (maxPwdAge == 0) {
536 return 0x7FFFFFFFFFFFFFFFULL;
538 attr_time -= maxPwdAge;
545 pull a samr_Password structutre from a result set.
547 struct samr_Password *samdb_result_hash(TALLOC_CTX *mem_ctx, const struct ldb_message *msg, const char *attr)
549 struct samr_Password *hash = NULL;
550 const struct ldb_val *val = ldb_msg_find_ldb_val(msg, attr);
551 if (val && (val->length >= sizeof(hash->hash))) {
552 hash = talloc(mem_ctx, struct samr_Password);
553 memcpy(hash->hash, val->data, MIN(val->length, sizeof(hash->hash)));
559 pull an array of samr_Password structutres from a result set.
561 unsigned int samdb_result_hashes(TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
562 const char *attr, struct samr_Password **hashes)
564 unsigned int count, i;
565 const struct ldb_val *val = ldb_msg_find_ldb_val(msg, attr);
571 count = val->length / 16;
576 *hashes = talloc_array(mem_ctx, struct samr_Password, count);
581 for (i=0;i<count;i++) {
582 memcpy((*hashes)[i].hash, (i*16)+(char *)val->data, 16);
588 NTSTATUS samdb_result_passwords(TALLOC_CTX *mem_ctx, struct loadparm_context *lp_ctx, struct ldb_message *msg,
589 struct samr_Password **lm_pwd, struct samr_Password **nt_pwd)
591 struct samr_Password *lmPwdHash, *ntPwdHash;
594 num_nt = samdb_result_hashes(mem_ctx, msg, "unicodePwd", &ntPwdHash);
597 } else if (num_nt > 1) {
598 return NT_STATUS_INTERNAL_DB_CORRUPTION;
600 *nt_pwd = &ntPwdHash[0];
604 /* Ensure that if we have turned off LM
605 * authentication, that we never use the LM hash, even
607 if (lp_lanman_auth(lp_ctx)) {
609 num_lm = samdb_result_hashes(mem_ctx, msg, "dBCSPwd", &lmPwdHash);
612 } else if (num_lm > 1) {
613 return NT_STATUS_INTERNAL_DB_CORRUPTION;
615 *lm_pwd = &lmPwdHash[0];
625 pull a samr_LogonHours structutre from a result set.
627 struct samr_LogonHours samdb_result_logon_hours(TALLOC_CTX *mem_ctx, struct ldb_message *msg, const char *attr)
629 struct samr_LogonHours hours;
630 const int units_per_week = 168;
631 const struct ldb_val *val = ldb_msg_find_ldb_val(msg, attr);
633 hours.bits = talloc_array(mem_ctx, uint8_t, units_per_week);
637 hours.units_per_week = units_per_week;
638 memset(hours.bits, 0xFF, units_per_week);
640 memcpy(hours.bits, val->data, MIN(val->length, units_per_week));
646 pull a set of account_flags from a result set.
648 This requires that the attributes:
653 uint32_t samdb_result_acct_flags(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx,
654 struct ldb_message *msg, struct ldb_dn *domain_dn)
656 uint32_t userAccountControl = ldb_msg_find_attr_as_uint(msg, "userAccountControl", 0);
657 uint32_t acct_flags = ds_uf2acb(userAccountControl);
658 NTTIME must_change_time;
661 must_change_time = samdb_result_force_password_change(sam_ctx, mem_ctx,
664 /* Test account expire time */
665 unix_to_nt_time(&now, time(NULL));
666 /* check for expired password */
667 if (must_change_time < now) {
668 acct_flags |= ACB_PW_EXPIRED;
673 struct lsa_BinaryString samdb_result_parameters(TALLOC_CTX *mem_ctx,
674 struct ldb_message *msg,
677 struct lsa_BinaryString s;
678 const struct ldb_val *val = ldb_msg_find_ldb_val(msg, attr);
686 s.array = talloc_array(mem_ctx, uint16_t, val->length/2);
690 s.length = s.size = val->length;
691 memcpy(s.array, val->data, val->length);
696 /* Find an attribute, with a particular value */
698 /* The current callers of this function expect a very specific
699 * behaviour: In particular, objectClass subclass equivilance is not
700 * wanted. This means that we should not lookup the schema for the
701 * comparison function */
702 struct ldb_message_element *samdb_find_attribute(struct ldb_context *ldb,
703 const struct ldb_message *msg,
704 const char *name, const char *value)
707 struct ldb_message_element *el = ldb_msg_find_element(msg, name);
713 for (i=0;i<el->num_values;i++) {
714 if (ldb_attr_cmp(value, (char *)el->values[i].data) == 0) {
722 int samdb_find_or_add_value(struct ldb_context *ldb, struct ldb_message *msg, const char *name, const char *set_value)
724 if (samdb_find_attribute(ldb, msg, name, set_value) == NULL) {
725 return samdb_msg_add_string(ldb, msg, msg, name, set_value);
730 int samdb_find_or_add_attribute(struct ldb_context *ldb, struct ldb_message *msg, const char *name, const char *set_value)
732 struct ldb_message_element *el;
734 el = ldb_msg_find_element(msg, name);
739 return samdb_msg_add_string(ldb, msg, msg, name, set_value);
745 add a string element to a message
747 int samdb_msg_add_string(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
748 const char *attr_name, const char *str)
750 char *s = talloc_strdup(mem_ctx, str);
751 char *a = talloc_strdup(mem_ctx, attr_name);
752 if (s == NULL || a == NULL) {
753 return LDB_ERR_OPERATIONS_ERROR;
755 return ldb_msg_add_string(msg, a, s);
759 add a dom_sid element to a message
761 int samdb_msg_add_dom_sid(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
762 const char *attr_name, struct dom_sid *sid)
765 enum ndr_err_code ndr_err;
767 ndr_err = ndr_push_struct_blob(&v, mem_ctx,
768 lp_iconv_convenience(ldb_get_opaque(sam_ldb, "loadparm")),
770 (ndr_push_flags_fn_t)ndr_push_dom_sid);
771 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
774 return ldb_msg_add_value(msg, attr_name, &v, NULL);
779 add a delete element operation to a message
781 int samdb_msg_add_delete(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
782 const char *attr_name)
784 /* we use an empty replace rather than a delete, as it allows for
785 samdb_replace() to be used everywhere */
786 return ldb_msg_add_empty(msg, attr_name, LDB_FLAG_MOD_REPLACE, NULL);
790 add a add attribute value to a message
792 int samdb_msg_add_addval(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
793 const char *attr_name, const char *value)
795 struct ldb_message_element *el;
798 a = talloc_strdup(mem_ctx, attr_name);
801 v = talloc_strdup(mem_ctx, value);
804 ret = ldb_msg_add_string(msg, a, v);
807 el = ldb_msg_find_element(msg, a);
810 el->flags = LDB_FLAG_MOD_ADD;
815 add a delete attribute value to a message
817 int samdb_msg_add_delval(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
818 const char *attr_name, const char *value)
820 struct ldb_message_element *el;
823 a = talloc_strdup(mem_ctx, attr_name);
826 v = talloc_strdup(mem_ctx, value);
829 ret = ldb_msg_add_string(msg, a, v);
832 el = ldb_msg_find_element(msg, a);
835 el->flags = LDB_FLAG_MOD_DELETE;
840 add a int element to a message
842 int samdb_msg_add_int(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
843 const char *attr_name, int v)
845 const char *s = talloc_asprintf(mem_ctx, "%d", v);
846 return samdb_msg_add_string(sam_ldb, mem_ctx, msg, attr_name, s);
850 add a unsigned int element to a message
852 int samdb_msg_add_uint(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
853 const char *attr_name, unsigned int v)
855 return samdb_msg_add_int(sam_ldb, mem_ctx, msg, attr_name, (int)v);
859 add a (signed) int64_t element to a message
861 int samdb_msg_add_int64(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
862 const char *attr_name, int64_t v)
864 const char *s = talloc_asprintf(mem_ctx, "%lld", (long long)v);
865 return samdb_msg_add_string(sam_ldb, mem_ctx, msg, attr_name, s);
869 add a uint64_t element to a message
871 int samdb_msg_add_uint64(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
872 const char *attr_name, uint64_t v)
874 return samdb_msg_add_int64(sam_ldb, mem_ctx, msg, attr_name, (int64_t)v);
878 add a samr_Password element to a message
880 int samdb_msg_add_hash(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
881 const char *attr_name, struct samr_Password *hash)
884 val.data = talloc_memdup(mem_ctx, hash->hash, 16);
889 return ldb_msg_add_value(msg, attr_name, &val, NULL);
893 add a samr_Password array to a message
895 int samdb_msg_add_hashes(TALLOC_CTX *mem_ctx, struct ldb_message *msg,
896 const char *attr_name, struct samr_Password *hashes, unsigned int count)
900 val.data = talloc_array_size(mem_ctx, 16, count);
901 val.length = count*16;
905 for (i=0;i<count;i++) {
906 memcpy(i*16 + (char *)val.data, hashes[i].hash, 16);
908 return ldb_msg_add_value(msg, attr_name, &val, NULL);
912 add a acct_flags element to a message
914 int samdb_msg_add_acct_flags(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
915 const char *attr_name, uint32_t v)
917 return samdb_msg_add_uint(sam_ldb, mem_ctx, msg, attr_name, ds_acb2uf(v));
921 add a logon_hours element to a message
923 int samdb_msg_add_logon_hours(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
924 const char *attr_name, struct samr_LogonHours *hours)
927 val.length = hours->units_per_week / 8;
928 val.data = hours->bits;
929 return ldb_msg_add_value(msg, attr_name, &val, NULL);
933 add a parameters element to a message
935 int samdb_msg_add_parameters(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
936 const char *attr_name, struct lsa_BinaryString *parameters)
939 val.length = parameters->length;
940 val.data = (uint8_t *)parameters->array;
941 return ldb_msg_add_value(msg, attr_name, &val, NULL);
944 add a general value element to a message
946 int samdb_msg_add_value(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
947 const char *attr_name, const struct ldb_val *val)
949 return ldb_msg_add_value(msg, attr_name, val, NULL);
953 sets a general value element to a message
955 int samdb_msg_set_value(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
956 const char *attr_name, const struct ldb_val *val)
958 struct ldb_message_element *el;
960 el = ldb_msg_find_element(msg, attr_name);
964 return ldb_msg_add_value(msg, attr_name, val, NULL);
968 set a string element in a message
970 int samdb_msg_set_string(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
971 const char *attr_name, const char *str)
973 struct ldb_message_element *el;
975 el = ldb_msg_find_element(msg, attr_name);
979 return samdb_msg_add_string(sam_ldb, mem_ctx, msg, attr_name, str);
983 replace elements in a record
985 int samdb_replace(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg)
989 /* mark all the message elements as LDB_FLAG_MOD_REPLACE */
990 for (i=0;i<msg->num_elements;i++) {
991 msg->elements[i].flags = LDB_FLAG_MOD_REPLACE;
994 /* modify the samdb record */
995 return ldb_modify(sam_ldb, msg);
999 * Handle ldb_request in transaction
1001 static int dsdb_autotransaction_request(struct ldb_context *sam_ldb,
1002 struct ldb_request *req)
1006 ret = ldb_transaction_start(sam_ldb);
1007 if (ret != LDB_SUCCESS) {
1011 ret = ldb_request(sam_ldb, req);
1012 if (ret == LDB_SUCCESS) {
1013 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
1016 if (ret == LDB_SUCCESS) {
1017 return ldb_transaction_commit(sam_ldb);
1019 ldb_transaction_cancel(sam_ldb);
1025 * replace elements in a record using LDB_CONTROL_AS_SYSTEM
1026 * used to skip access checks on operations
1027 * that are performed by the system
1029 int samdb_replace_as_system(struct ldb_context *sam_ldb,
1030 TALLOC_CTX *mem_ctx,
1031 struct ldb_message *msg)
1035 struct ldb_request *req = NULL;
1037 /* mark all the message elements as LDB_FLAG_MOD_REPLACE */
1038 for (i=0;i<msg->num_elements;i++) {
1039 msg->elements[i].flags = LDB_FLAG_MOD_REPLACE;
1043 ldb_ret = ldb_msg_sanity_check(sam_ldb, msg);
1044 if (ldb_ret != LDB_SUCCESS) {
1048 ldb_ret = ldb_build_mod_req(&req, sam_ldb, mem_ctx,
1052 ldb_op_default_callback,
1055 if (ldb_ret != LDB_SUCCESS) {
1060 ldb_ret = ldb_request_add_control(req, LDB_CONTROL_AS_SYSTEM_OID, false, NULL);
1061 if (ldb_ret != LDB_SUCCESS) {
1066 /* do request and auto start a transaction */
1067 ldb_ret = dsdb_autotransaction_request(sam_ldb, req);
1074 return a default security descriptor
1076 struct security_descriptor *samdb_default_security_descriptor(TALLOC_CTX *mem_ctx)
1078 struct security_descriptor *sd;
1080 sd = security_descriptor_initialise(mem_ctx);
1085 struct ldb_dn *samdb_base_dn(struct ldb_context *sam_ctx)
1087 return ldb_get_default_basedn(sam_ctx);
1090 struct ldb_dn *samdb_config_dn(struct ldb_context *sam_ctx)
1092 return ldb_get_config_basedn(sam_ctx);
1095 struct ldb_dn *samdb_schema_dn(struct ldb_context *sam_ctx)
1097 return ldb_get_schema_basedn(sam_ctx);
1100 struct ldb_dn *samdb_aggregate_schema_dn(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx)
1102 struct ldb_dn *schema_dn = ldb_get_schema_basedn(sam_ctx);
1103 struct ldb_dn *aggregate_dn;
1108 aggregate_dn = ldb_dn_copy(mem_ctx, schema_dn);
1109 if (!aggregate_dn) {
1112 if (!ldb_dn_add_child_fmt(aggregate_dn, "CN=Aggregate")) {
1115 return aggregate_dn;
1118 struct ldb_dn *samdb_root_dn(struct ldb_context *sam_ctx)
1120 return ldb_get_root_basedn(sam_ctx);
1123 struct ldb_dn *samdb_partitions_dn(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx)
1125 struct ldb_dn *new_dn;
1127 new_dn = ldb_dn_copy(mem_ctx, samdb_config_dn(sam_ctx));
1128 if ( ! ldb_dn_add_child_fmt(new_dn, "CN=Partitions")) {
1129 talloc_free(new_dn);
1135 struct ldb_dn *samdb_sites_dn(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx)
1137 struct ldb_dn *new_dn;
1139 new_dn = ldb_dn_copy(mem_ctx, samdb_config_dn(sam_ctx));
1140 if ( ! ldb_dn_add_child_fmt(new_dn, "CN=Sites")) {
1141 talloc_free(new_dn);
1148 work out the domain sid for the current open ldb
1150 const struct dom_sid *samdb_domain_sid(struct ldb_context *ldb)
1152 TALLOC_CTX *tmp_ctx;
1153 const struct dom_sid *domain_sid;
1154 const char *attrs[] = {
1158 struct ldb_result *res;
1161 /* see if we have a cached copy */
1162 domain_sid = (struct dom_sid *)ldb_get_opaque(ldb, "cache.domain_sid");
1167 tmp_ctx = talloc_new(ldb);
1168 if (tmp_ctx == NULL) {
1172 ret = ldb_search(ldb, tmp_ctx, &res, ldb_get_default_basedn(ldb), LDB_SCOPE_BASE, attrs, "objectSid=*");
1174 if (ret != LDB_SUCCESS) {
1178 if (res->count != 1) {
1182 domain_sid = samdb_result_dom_sid(tmp_ctx, res->msgs[0], "objectSid");
1183 if (domain_sid == NULL) {
1187 /* cache the domain_sid in the ldb */
1188 if (ldb_set_opaque(ldb, "cache.domain_sid", discard_const_p(struct dom_sid, domain_sid)) != LDB_SUCCESS) {
1192 talloc_steal(ldb, domain_sid);
1193 talloc_free(tmp_ctx);
1198 talloc_free(tmp_ctx);
1203 get domain sid from cache
1205 const struct dom_sid *samdb_domain_sid_cache_only(struct ldb_context *ldb)
1207 return (struct dom_sid *)ldb_get_opaque(ldb, "cache.domain_sid");
1210 bool samdb_set_domain_sid(struct ldb_context *ldb, const struct dom_sid *dom_sid_in)
1212 TALLOC_CTX *tmp_ctx;
1213 struct dom_sid *dom_sid_new;
1214 struct dom_sid *dom_sid_old;
1216 /* see if we have a cached copy */
1217 dom_sid_old = talloc_get_type(ldb_get_opaque(ldb,
1218 "cache.domain_sid"), struct dom_sid);
1220 tmp_ctx = talloc_new(ldb);
1221 if (tmp_ctx == NULL) {
1225 dom_sid_new = dom_sid_dup(tmp_ctx, dom_sid_in);
1230 /* cache the domain_sid in the ldb */
1231 if (ldb_set_opaque(ldb, "cache.domain_sid", dom_sid_new) != LDB_SUCCESS) {
1235 talloc_steal(ldb, dom_sid_new);
1236 talloc_free(tmp_ctx);
1237 talloc_free(dom_sid_old);
1242 DEBUG(1,("Failed to set our own cached domain SID in the ldb!\n"));
1243 talloc_free(tmp_ctx);
1247 /* Obtain the short name of the flexible single master operator
1248 * (FSMO), such as the PDC Emulator */
1249 const char *samdb_result_fsmo_name(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
1252 /* Format is cn=NTDS Settings,cn=<NETBIOS name of FSMO>,.... */
1253 struct ldb_dn *fsmo_dn = ldb_msg_find_attr_as_dn(ldb, mem_ctx, msg, attr);
1254 const struct ldb_val *val = ldb_dn_get_component_val(fsmo_dn, 1);
1255 const char *name = ldb_dn_get_component_name(fsmo_dn, 1);
1257 if (!name || (ldb_attr_cmp(name, "cn") != 0)) {
1258 /* Ensure this matches the format. This gives us a
1259 * bit more confidence that a 'cn' value will be a
1264 return (char *)val->data;
1270 work out the ntds settings dn for the current open ldb
1272 struct ldb_dn *samdb_ntds_settings_dn(struct ldb_context *ldb)
1274 TALLOC_CTX *tmp_ctx;
1275 const char *root_attrs[] = { "dsServiceName", NULL };
1277 struct ldb_result *root_res;
1278 struct ldb_dn *settings_dn;
1280 /* see if we have a cached copy */
1281 settings_dn = (struct ldb_dn *)ldb_get_opaque(ldb, "cache.settings_dn");
1286 tmp_ctx = talloc_new(ldb);
1287 if (tmp_ctx == NULL) {
1291 ret = ldb_search(ldb, tmp_ctx, &root_res, ldb_dn_new(tmp_ctx, ldb, ""), LDB_SCOPE_BASE, root_attrs, NULL);
1293 DEBUG(1,("Searching for dsServiceName in rootDSE failed: %s\n",
1294 ldb_errstring(ldb)));
1298 if (root_res->count != 1) {
1302 settings_dn = ldb_msg_find_attr_as_dn(ldb, tmp_ctx, root_res->msgs[0], "dsServiceName");
1304 /* cache the domain_sid in the ldb */
1305 if (ldb_set_opaque(ldb, "cache.settings_dn", settings_dn) != LDB_SUCCESS) {
1309 talloc_steal(ldb, settings_dn);
1310 talloc_free(tmp_ctx);
1315 DEBUG(1,("Failed to find our own NTDS Settings DN in the ldb!\n"));
1316 talloc_free(tmp_ctx);
1321 work out the ntds settings invocationId for the current open ldb
1323 const struct GUID *samdb_ntds_invocation_id(struct ldb_context *ldb)
1325 TALLOC_CTX *tmp_ctx;
1326 const char *attrs[] = { "invocationId", NULL };
1328 struct ldb_result *res;
1329 struct GUID *invocation_id;
1331 /* see if we have a cached copy */
1332 invocation_id = (struct GUID *)ldb_get_opaque(ldb, "cache.invocation_id");
1333 if (invocation_id) {
1334 return invocation_id;
1337 tmp_ctx = talloc_new(ldb);
1338 if (tmp_ctx == NULL) {
1342 ret = ldb_search(ldb, tmp_ctx, &res, samdb_ntds_settings_dn(ldb), LDB_SCOPE_BASE, attrs, NULL);
1347 if (res->count != 1) {
1351 invocation_id = talloc(tmp_ctx, struct GUID);
1352 if (!invocation_id) {
1356 *invocation_id = samdb_result_guid(res->msgs[0], "invocationId");
1358 /* cache the domain_sid in the ldb */
1359 if (ldb_set_opaque(ldb, "cache.invocation_id", invocation_id) != LDB_SUCCESS) {
1363 talloc_steal(ldb, invocation_id);
1364 talloc_free(tmp_ctx);
1366 return invocation_id;
1369 DEBUG(1,("Failed to find our own NTDS Settings invocationId in the ldb!\n"));
1370 talloc_free(tmp_ctx);
1374 bool samdb_set_ntds_invocation_id(struct ldb_context *ldb, const struct GUID *invocation_id_in)
1376 TALLOC_CTX *tmp_ctx;
1377 struct GUID *invocation_id_new;
1378 struct GUID *invocation_id_old;
1380 /* see if we have a cached copy */
1381 invocation_id_old = (struct GUID *)ldb_get_opaque(ldb,
1382 "cache.invocation_id");
1384 tmp_ctx = talloc_new(ldb);
1385 if (tmp_ctx == NULL) {
1389 invocation_id_new = talloc(tmp_ctx, struct GUID);
1390 if (!invocation_id_new) {
1394 *invocation_id_new = *invocation_id_in;
1396 /* cache the domain_sid in the ldb */
1397 if (ldb_set_opaque(ldb, "cache.invocation_id", invocation_id_new) != LDB_SUCCESS) {
1401 talloc_steal(ldb, invocation_id_new);
1402 talloc_free(tmp_ctx);
1403 talloc_free(invocation_id_old);
1408 DEBUG(1,("Failed to set our own cached invocationId in the ldb!\n"));
1409 talloc_free(tmp_ctx);
1414 work out the ntds settings objectGUID for the current open ldb
1416 const struct GUID *samdb_ntds_objectGUID(struct ldb_context *ldb)
1418 TALLOC_CTX *tmp_ctx;
1419 const char *attrs[] = { "objectGUID", NULL };
1421 struct ldb_result *res;
1422 struct GUID *ntds_guid;
1424 /* see if we have a cached copy */
1425 ntds_guid = (struct GUID *)ldb_get_opaque(ldb, "cache.ntds_guid");
1430 tmp_ctx = talloc_new(ldb);
1431 if (tmp_ctx == NULL) {
1435 ret = ldb_search(ldb, tmp_ctx, &res, samdb_ntds_settings_dn(ldb), LDB_SCOPE_BASE, attrs, NULL);
1440 if (res->count != 1) {
1444 ntds_guid = talloc(tmp_ctx, struct GUID);
1449 *ntds_guid = samdb_result_guid(res->msgs[0], "objectGUID");
1451 /* cache the domain_sid in the ldb */
1452 if (ldb_set_opaque(ldb, "cache.ntds_guid", ntds_guid) != LDB_SUCCESS) {
1456 talloc_steal(ldb, ntds_guid);
1457 talloc_free(tmp_ctx);
1462 DEBUG(1,("Failed to find our own NTDS Settings objectGUID in the ldb!\n"));
1463 talloc_free(tmp_ctx);
1467 bool samdb_set_ntds_objectGUID(struct ldb_context *ldb, const struct GUID *ntds_guid_in)
1469 TALLOC_CTX *tmp_ctx;
1470 struct GUID *ntds_guid_new;
1471 struct GUID *ntds_guid_old;
1473 /* see if we have a cached copy */
1474 ntds_guid_old = (struct GUID *)ldb_get_opaque(ldb, "cache.ntds_guid");
1476 tmp_ctx = talloc_new(ldb);
1477 if (tmp_ctx == NULL) {
1481 ntds_guid_new = talloc(tmp_ctx, struct GUID);
1482 if (!ntds_guid_new) {
1486 *ntds_guid_new = *ntds_guid_in;
1488 /* cache the domain_sid in the ldb */
1489 if (ldb_set_opaque(ldb, "cache.ntds_guid", ntds_guid_new) != LDB_SUCCESS) {
1493 talloc_steal(ldb, ntds_guid_new);
1494 talloc_free(tmp_ctx);
1495 talloc_free(ntds_guid_old);
1500 DEBUG(1,("Failed to set our own cached invocationId in the ldb!\n"));
1501 talloc_free(tmp_ctx);
1506 work out the server dn for the current open ldb
1508 struct ldb_dn *samdb_server_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
1510 return ldb_dn_get_parent(mem_ctx, samdb_ntds_settings_dn(ldb));
1514 work out the server dn for the current open ldb
1516 struct ldb_dn *samdb_server_site_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
1518 struct ldb_dn *server_dn;
1519 struct ldb_dn *server_site_dn;
1521 server_dn = samdb_server_dn(ldb, mem_ctx);
1522 if (!server_dn) return NULL;
1524 server_site_dn = ldb_dn_get_parent(mem_ctx, server_dn);
1526 talloc_free(server_dn);
1527 return server_site_dn;
1531 find a 'reference' DN that points at another object
1532 (eg. serverReference, rIDManagerReference etc)
1534 int samdb_reference_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct ldb_dn *base,
1535 const char *attribute, struct ldb_dn **dn)
1537 const char *attrs[2];
1538 struct ldb_result *res;
1541 attrs[0] = attribute;
1544 ret = ldb_search(ldb, mem_ctx, &res, base, LDB_SCOPE_BASE, attrs, NULL);
1545 if (ret != LDB_SUCCESS) {
1548 if (res->count != 1) {
1550 return LDB_ERR_NO_SUCH_OBJECT;
1553 *dn = ldb_msg_find_attr_as_dn(ldb, mem_ctx, res->msgs[0], attribute);
1556 return LDB_ERR_NO_SUCH_ATTRIBUTE;
1564 find our machine account via the serverReference attribute in the
1567 int samdb_server_reference_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct ldb_dn **dn)
1569 struct ldb_dn *server_dn;
1572 server_dn = samdb_server_dn(ldb, mem_ctx);
1573 if (server_dn == NULL) {
1574 return LDB_ERR_NO_SUCH_OBJECT;
1577 ret = samdb_reference_dn(ldb, mem_ctx, server_dn, "serverReference", dn);
1578 talloc_free(server_dn);
1584 find the RID Manager$ DN via the rIDManagerReference attribute in the
1587 int samdb_rid_manager_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct ldb_dn **dn)
1589 return samdb_reference_dn(ldb, mem_ctx, samdb_base_dn(ldb), "rIDManagerReference", dn);
1593 find the RID Set DN via the rIDSetReferences attribute in our
1596 int samdb_rid_set_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct ldb_dn **dn)
1598 struct ldb_dn *server_ref_dn;
1601 ret = samdb_server_reference_dn(ldb, mem_ctx, &server_ref_dn);
1602 if (ret != LDB_SUCCESS) {
1605 ret = samdb_reference_dn(ldb, mem_ctx, server_ref_dn, "rIDSetReferences", dn);
1606 talloc_free(server_ref_dn);
1610 const char *samdb_server_site_name(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
1612 const struct ldb_val *val = ldb_dn_get_rdn_val(samdb_server_site_dn(ldb, mem_ctx));
1615 return (const char *) val->data;
1621 work out if we are the PDC for the domain of the current open ldb
1623 bool samdb_is_pdc(struct ldb_context *ldb)
1625 const char *dom_attrs[] = { "fSMORoleOwner", NULL };
1627 struct ldb_result *dom_res;
1628 TALLOC_CTX *tmp_ctx;
1632 tmp_ctx = talloc_new(ldb);
1633 if (tmp_ctx == NULL) {
1634 DEBUG(1, ("talloc_new failed in samdb_is_pdc"));
1638 ret = ldb_search(ldb, tmp_ctx, &dom_res, ldb_get_default_basedn(ldb), LDB_SCOPE_BASE, dom_attrs, NULL);
1640 DEBUG(1,("Searching for fSMORoleOwner in %s failed: %s\n",
1641 ldb_dn_get_linearized(ldb_get_default_basedn(ldb)),
1642 ldb_errstring(ldb)));
1645 if (dom_res->count != 1) {
1649 pdc = ldb_msg_find_attr_as_dn(ldb, tmp_ctx, dom_res->msgs[0], "fSMORoleOwner");
1651 if (ldb_dn_compare(samdb_ntds_settings_dn(ldb), pdc) == 0) {
1657 talloc_free(tmp_ctx);
1662 DEBUG(1,("Failed to find if we are the PDC for this ldb\n"));
1663 talloc_free(tmp_ctx);
1668 work out if we are a Global Catalog server for the domain of the current open ldb
1670 bool samdb_is_gc(struct ldb_context *ldb)
1672 const char *attrs[] = { "options", NULL };
1674 struct ldb_result *res;
1675 TALLOC_CTX *tmp_ctx;
1677 tmp_ctx = talloc_new(ldb);
1678 if (tmp_ctx == NULL) {
1679 DEBUG(1, ("talloc_new failed in samdb_is_pdc"));
1683 /* Query cn=ntds settings,.... */
1684 ret = ldb_search(ldb, tmp_ctx, &res, samdb_ntds_settings_dn(ldb), LDB_SCOPE_BASE, attrs, NULL);
1686 talloc_free(tmp_ctx);
1689 if (res->count != 1) {
1690 talloc_free(tmp_ctx);
1694 options = ldb_msg_find_attr_as_int(res->msgs[0], "options", 0);
1695 talloc_free(tmp_ctx);
1697 /* if options attribute has the 0x00000001 flag set, then enable the global catlog */
1698 if (options & 0x000000001) {
1704 /* Find a domain object in the parents of a particular DN. */
1705 int samdb_search_for_parent_domain(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct ldb_dn *dn,
1706 struct ldb_dn **parent_dn, const char **errstring)
1708 TALLOC_CTX *local_ctx;
1709 struct ldb_dn *sdn = dn;
1710 struct ldb_result *res = NULL;
1712 const char *attrs[] = { NULL };
1714 local_ctx = talloc_new(mem_ctx);
1715 if (local_ctx == NULL) return LDB_ERR_OPERATIONS_ERROR;
1717 while ((sdn = ldb_dn_get_parent(local_ctx, sdn))) {
1718 ret = ldb_search(ldb, local_ctx, &res, sdn, LDB_SCOPE_BASE, attrs,
1719 "(|(objectClass=domain)(objectClass=builtinDomain))");
1720 if (ret == LDB_SUCCESS) {
1721 if (res->count == 1) {
1729 if (ret != LDB_SUCCESS) {
1730 *errstring = talloc_asprintf(mem_ctx, "Error searching for parent domain of %s, failed searching for %s: %s",
1731 ldb_dn_get_linearized(dn),
1732 ldb_dn_get_linearized(sdn),
1733 ldb_errstring(ldb));
1734 talloc_free(local_ctx);
1737 if (res->count != 1) {
1738 *errstring = talloc_asprintf(mem_ctx, "Invalid dn (%s), not child of a domain object",
1739 ldb_dn_get_linearized(dn));
1740 DEBUG(0,(__location__ ": %s\n", *errstring));
1741 talloc_free(local_ctx);
1742 return LDB_ERR_CONSTRAINT_VIOLATION;
1745 *parent_dn = talloc_steal(mem_ctx, res->msgs[0]->dn);
1746 talloc_free(local_ctx);
1752 * Performs checks on a user password (plaintext UNIX format - attribute
1753 * "password"). The remaining parameters have to be extracted from the domain
1756 * Result codes from "enum samr_ValidationStatus" (consider "samr.idl")
1758 enum samr_ValidationStatus samdb_check_password(const DATA_BLOB *password,
1759 const uint32_t pwdProperties,
1760 const uint32_t minPwdLength)
1762 /* checks if the "minPwdLength" property is satisfied */
1763 if (minPwdLength > password->length)
1764 return SAMR_VALIDATION_STATUS_PWD_TOO_SHORT;
1766 /* checks the password complexity */
1767 if (((pwdProperties & DOMAIN_PASSWORD_COMPLEX) != 0)
1768 && (password->data != NULL)
1769 && (!check_password_quality((const char *) password->data)))
1770 return SAMR_VALIDATION_STATUS_NOT_COMPLEX_ENOUGH;
1772 return SAMR_VALIDATION_STATUS_SUCCESS;
1776 * Sets the user password using plaintext UTF16 (attribute "new_password") or
1777 * LM (attribute "lmNewHash") or NT (attribute "ntNewHash") hash. Also pass
1778 * as parameter if it's a user change or not ("userChange"). The "rejectReason"
1779 * gives some more informations if the changed failed.
1781 * The caller should have a LDB transaction wrapping this.
1783 * Results: NT_STATUS_OK, NT_STATUS_INTERNAL_DB_CORRUPTION,
1784 * NT_STATUS_INVALID_PARAMETER, NT_STATUS_UNSUCCESSFUL,
1785 * NT_STATUS_PASSWORD_RESTRICTION
1787 NTSTATUS samdb_set_password(struct ldb_context *ctx, TALLOC_CTX *mem_ctx,
1788 struct ldb_dn *user_dn, struct ldb_dn *domain_dn,
1789 struct ldb_message *mod,
1790 const DATA_BLOB *new_password,
1791 struct samr_Password *param_lmNewHash,
1792 struct samr_Password *param_ntNewHash,
1794 enum samPwdChangeReason *reject_reason,
1795 struct samr_DomInfo1 **_dominfo)
1797 const char * const user_attrs[] = { "userAccountControl",
1800 "dBCSPwd", "unicodePwd",
1802 "pwdLastSet", NULL };
1803 const char * const domain_attrs[] = { "minPwdLength", "pwdProperties",
1805 "maxPwdAge", "minPwdAge", NULL };
1807 uint32_t minPwdLength, pwdProperties, pwdHistoryLength;
1808 int64_t maxPwdAge, minPwdAge;
1809 uint32_t userAccountControl;
1810 struct samr_Password *sambaLMPwdHistory, *sambaNTPwdHistory,
1811 *lmPwdHash, *ntPwdHash, *lmNewHash, *ntNewHash;
1812 struct samr_Password local_lmNewHash, local_ntNewHash;
1813 int sambaLMPwdHistory_len, sambaNTPwdHistory_len;
1814 struct dom_sid *domain_sid;
1815 struct ldb_message **res;
1818 time_t now = time(NULL);
1822 /* we need to know the time to compute password age */
1823 unix_to_nt_time(&now_nt, now);
1825 /* pull all the user parameters */
1826 count = gendb_search_dn(ctx, mem_ctx, user_dn, &res, user_attrs);
1828 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1830 userAccountControl = samdb_result_uint(res[0], "userAccountControl", 0);
1831 sambaLMPwdHistory_len = samdb_result_hashes(mem_ctx, res[0],
1832 "lmPwdHistory", &sambaLMPwdHistory);
1833 sambaNTPwdHistory_len = samdb_result_hashes(mem_ctx, res[0],
1834 "ntPwdHistory", &sambaNTPwdHistory);
1835 lmPwdHash = samdb_result_hash(mem_ctx, res[0], "dBCSPwd");
1836 ntPwdHash = samdb_result_hash(mem_ctx, res[0], "unicodePwd");
1837 pwdLastSet = samdb_result_uint64(res[0], "pwdLastSet", 0);
1839 /* Copy parameters */
1840 lmNewHash = param_lmNewHash;
1841 ntNewHash = param_ntNewHash;
1843 /* Only non-trust accounts have restrictions (possibly this
1844 * test is the wrong way around, but I like to be restrictive
1846 restrictions = !(userAccountControl & (UF_INTERDOMAIN_TRUST_ACCOUNT
1847 |UF_WORKSTATION_TRUST_ACCOUNT
1848 |UF_SERVER_TRUST_ACCOUNT));
1850 if (domain_dn != NULL) {
1851 /* pull the domain parameters */
1852 count = gendb_search_dn(ctx, mem_ctx, domain_dn, &res,
1855 DEBUG(2, ("samdb_set_password: Domain DN %s is invalid, for user %s\n",
1856 ldb_dn_get_linearized(domain_dn),
1857 ldb_dn_get_linearized(user_dn)));
1858 return NT_STATUS_NO_SUCH_DOMAIN;
1861 /* work out the domain sid, and pull the domain from there */
1862 domain_sid = samdb_result_sid_prefix(mem_ctx, res[0],
1864 if (domain_sid == NULL) {
1865 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1868 count = gendb_search(ctx, mem_ctx, NULL, &res, domain_attrs,
1870 ldap_encode_ndr_dom_sid(mem_ctx, domain_sid));
1872 DEBUG(2, ("samdb_set_password: Could not find domain to match SID: %s, for user %s\n",
1873 dom_sid_string(mem_ctx, domain_sid),
1874 ldb_dn_get_linearized(user_dn)));
1875 return NT_STATUS_NO_SUCH_DOMAIN;
1879 minPwdLength = samdb_result_uint(res[0], "minPwdLength", 0);
1880 pwdProperties = samdb_result_uint(res[0], "pwdProperties", 0);
1881 pwdHistoryLength = samdb_result_uint(res[0], "pwdHistoryLength", 0);
1882 maxPwdAge = samdb_result_int64(res[0], "maxPwdAge", 0);
1883 minPwdAge = samdb_result_int64(res[0], "minPwdAge", 0);
1885 if ((userAccountControl & UF_PASSWD_NOTREQD) != 0) {
1886 /* see [MS-ADTS] 2.2.15 */
1890 if (_dominfo != NULL) {
1891 struct samr_DomInfo1 *dominfo;
1892 /* on failure we need to fill in the reject reasons */
1893 dominfo = talloc(mem_ctx, struct samr_DomInfo1);
1894 if (dominfo == NULL) {
1895 return NT_STATUS_NO_MEMORY;
1897 dominfo->min_password_length = minPwdLength;
1898 dominfo->password_properties = pwdProperties;
1899 dominfo->password_history_length = pwdHistoryLength;
1900 dominfo->max_password_age = maxPwdAge;
1901 dominfo->min_password_age = minPwdAge;
1902 *_dominfo = dominfo;
1905 if ((restrictions != 0) && (new_password != 0)) {
1908 /* checks if the "minPwdLength" property is satisfied */
1909 if ((restrictions != 0)
1910 && (minPwdLength > utf16_len_n(
1911 new_password->data, new_password->length)/2)) {
1912 if (reject_reason) {
1913 *reject_reason = SAM_PWD_CHANGE_PASSWORD_TOO_SHORT;
1915 return NT_STATUS_PASSWORD_RESTRICTION;
1918 /* Create the NT hash */
1919 mdfour(local_ntNewHash.hash, new_password->data,
1920 new_password->length);
1922 ntNewHash = &local_ntNewHash;
1924 /* Only check complexity if we can convert it at all. Assuming unconvertable passwords are 'strong' */
1925 if (convert_string_talloc_convenience(mem_ctx,
1926 lp_iconv_convenience(ldb_get_opaque(ctx, "loadparm")),
1928 new_password->data, new_password->length,
1929 (void **)&new_pass, NULL, false)) {
1931 /* checks the password complexity */
1932 if ((restrictions != 0)
1934 & DOMAIN_PASSWORD_COMPLEX) != 0)
1935 && (!check_password_quality(new_pass))) {
1936 if (reject_reason) {
1937 *reject_reason = SAM_PWD_CHANGE_NOT_COMPLEX;
1939 return NT_STATUS_PASSWORD_RESTRICTION;
1942 /* compute the new lm hashes (for checking history - case insenitivly!) */
1943 if (E_deshash(new_pass, local_lmNewHash.hash)) {
1944 lmNewHash = &local_lmNewHash;
1949 if ((restrictions != 0) && user_change) {
1950 /* are all password changes disallowed? */
1951 if ((pwdProperties & DOMAIN_REFUSE_PASSWORD_CHANGE) != 0) {
1952 if (reject_reason) {
1953 *reject_reason = SAM_PWD_CHANGE_NO_ERROR;
1955 return NT_STATUS_PASSWORD_RESTRICTION;
1958 /* can this user change the password? */
1959 if ((userAccountControl & UF_PASSWD_CANT_CHANGE) != 0) {
1960 if (reject_reason) {
1961 *reject_reason = SAM_PWD_CHANGE_NO_ERROR;
1963 return NT_STATUS_PASSWORD_RESTRICTION;
1966 /* Password minimum age: yes, this is a minus. The ages are in negative 100nsec units! */
1967 if (pwdLastSet - minPwdAge > now_nt) {
1968 if (reject_reason) {
1969 *reject_reason = SAM_PWD_CHANGE_NO_ERROR;
1971 return NT_STATUS_PASSWORD_RESTRICTION;
1974 /* check the immediately past password */
1975 if (pwdHistoryLength > 0) {
1976 if (lmNewHash && lmPwdHash && memcmp(lmNewHash->hash,
1977 lmPwdHash->hash, 16) == 0) {
1978 if (reject_reason) {
1979 *reject_reason = SAM_PWD_CHANGE_PWD_IN_HISTORY;
1981 return NT_STATUS_PASSWORD_RESTRICTION;
1983 if (ntNewHash && ntPwdHash && memcmp(ntNewHash->hash,
1984 ntPwdHash->hash, 16) == 0) {
1985 if (reject_reason) {
1986 *reject_reason = SAM_PWD_CHANGE_PWD_IN_HISTORY;
1988 return NT_STATUS_PASSWORD_RESTRICTION;
1992 /* check the password history */
1993 sambaLMPwdHistory_len = MIN(sambaLMPwdHistory_len,
1995 sambaNTPwdHistory_len = MIN(sambaNTPwdHistory_len,
1998 for (i=0; lmNewHash && i<sambaLMPwdHistory_len;i++) {
1999 if (memcmp(lmNewHash->hash, sambaLMPwdHistory[i].hash,
2001 if (reject_reason) {
2002 *reject_reason = SAM_PWD_CHANGE_PWD_IN_HISTORY;
2004 return NT_STATUS_PASSWORD_RESTRICTION;
2007 for (i=0; ntNewHash && i<sambaNTPwdHistory_len;i++) {
2008 if (memcmp(ntNewHash->hash, sambaNTPwdHistory[i].hash,
2010 if (reject_reason) {
2011 *reject_reason = SAM_PWD_CHANGE_PWD_IN_HISTORY;
2013 return NT_STATUS_PASSWORD_RESTRICTION;
2018 #define CHECK_RET(x) do { if (x != 0) return NT_STATUS_NO_MEMORY; } while(0)
2020 /* the password is acceptable. Start forming the new fields */
2021 if (new_password != NULL) {
2022 /* if we know the cleartext UTF16 password, then set it.
2023 * Modules in ldb will set all the appropriate
2025 CHECK_RET(ldb_msg_add_value(mod, "clearTextPassword", new_password, NULL));
2027 /* we don't have the cleartext, so set what we have of the
2031 CHECK_RET(samdb_msg_add_hash(ctx, mem_ctx, mod, "dBCSPwd", lmNewHash));
2035 CHECK_RET(samdb_msg_add_hash(ctx, mem_ctx, mod, "unicodePwd", ntNewHash));
2039 if (reject_reason) {
2040 *reject_reason = SAM_PWD_CHANGE_NO_ERROR;
2042 return NT_STATUS_OK;
2047 * Sets the user password using plaintext UTF16 (attribute "new_password") or
2048 * LM (attribute "lmNewHash") or NT (attribute "ntNewHash") hash. Also pass
2049 * as parameter if it's a user change or not ("userChange"). The "rejectReason"
2050 * gives some more informations if the changed failed.
2052 * This wrapper function for "samdb_set_password" takes a SID as input rather
2055 * This call encapsulates a new LDB transaction for changing the password;
2056 * therefore the user hasn't to start a new one.
2058 * Results: NT_STATUS_OK, NT_STATUS_INTERNAL_DB_CORRUPTION,
2059 * NT_STATUS_INVALID_PARAMETER, NT_STATUS_UNSUCCESSFUL,
2060 * NT_STATUS_PASSWORD_RESTRICTION
2062 NTSTATUS samdb_set_password_sid(struct ldb_context *ldb, TALLOC_CTX *mem_ctx,
2063 const struct dom_sid *user_sid,
2064 const DATA_BLOB *new_password,
2065 struct samr_Password *lmNewHash,
2066 struct samr_Password *ntNewHash,
2068 enum samPwdChangeReason *reject_reason,
2069 struct samr_DomInfo1 **_dominfo)
2072 struct ldb_dn *user_dn;
2073 struct ldb_message *msg;
2076 ret = ldb_transaction_start(ldb);
2077 if (ret != LDB_SUCCESS) {
2078 DEBUG(1, ("Failed to start transaction: %s\n", ldb_errstring(ldb)));
2079 return NT_STATUS_TRANSACTION_ABORTED;
2082 user_dn = samdb_search_dn(ldb, mem_ctx, NULL,
2083 "(&(objectSid=%s)(objectClass=user))",
2084 ldap_encode_ndr_dom_sid(mem_ctx, user_sid));
2086 ldb_transaction_cancel(ldb);
2087 DEBUG(3, ("samdb_set_password_sid: SID %s not found in samdb, returning NO_SUCH_USER\n",
2088 dom_sid_string(mem_ctx, user_sid)));
2089 return NT_STATUS_NO_SUCH_USER;
2092 msg = ldb_msg_new(mem_ctx);
2094 ldb_transaction_cancel(ldb);
2095 talloc_free(user_dn);
2096 return NT_STATUS_NO_MEMORY;
2099 msg->dn = ldb_dn_copy(msg, user_dn);
2101 ldb_transaction_cancel(ldb);
2102 talloc_free(user_dn);
2104 return NT_STATUS_NO_MEMORY;
2107 nt_status = samdb_set_password(ldb, mem_ctx,
2110 lmNewHash, ntNewHash,
2112 reject_reason, _dominfo);
2113 if (!NT_STATUS_IS_OK(nt_status)) {
2114 ldb_transaction_cancel(ldb);
2115 talloc_free(user_dn);
2120 /* modify the samdb record */
2121 ret = samdb_replace(ldb, mem_ctx, msg);
2122 if (ret != LDB_SUCCESS) {
2123 ldb_transaction_cancel(ldb);
2124 talloc_free(user_dn);
2126 return NT_STATUS_ACCESS_DENIED;
2131 ret = ldb_transaction_commit(ldb);
2132 if (ret != LDB_SUCCESS) {
2133 DEBUG(0,("Failed to commit transaction to change password on %s: %s\n",
2134 ldb_dn_get_linearized(user_dn),
2135 ldb_errstring(ldb)));
2136 talloc_free(user_dn);
2137 return NT_STATUS_TRANSACTION_ABORTED;
2140 talloc_free(user_dn);
2141 return NT_STATUS_OK;
2145 NTSTATUS samdb_create_foreign_security_principal(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx,
2146 struct dom_sid *sid, struct ldb_dn **ret_dn)
2148 struct ldb_message *msg;
2149 struct ldb_dn *basedn;
2153 sidstr = dom_sid_string(mem_ctx, sid);
2154 NT_STATUS_HAVE_NO_MEMORY(sidstr);
2156 /* We might have to create a ForeignSecurityPrincipal, even if this user
2157 * is in our own domain */
2159 msg = ldb_msg_new(sidstr);
2161 talloc_free(sidstr);
2162 return NT_STATUS_NO_MEMORY;
2165 ret = dsdb_wellknown_dn(sam_ctx, sidstr, samdb_base_dn(sam_ctx),
2166 DS_GUID_FOREIGNSECURITYPRINCIPALS_CONTAINER,
2168 if (ret != LDB_SUCCESS) {
2169 DEBUG(0, ("Failed to find DN for "
2170 "ForeignSecurityPrincipal container - %s\n", ldb_errstring(sam_ctx)));
2171 talloc_free(sidstr);
2172 return NT_STATUS_INTERNAL_DB_CORRUPTION;
2175 /* add core elements to the ldb_message for the alias */
2177 if ( ! ldb_dn_add_child_fmt(msg->dn, "CN=%s", sidstr)) {
2178 talloc_free(sidstr);
2179 return NT_STATUS_NO_MEMORY;
2182 samdb_msg_add_string(sam_ctx, msg, msg,
2184 "foreignSecurityPrincipal");
2186 /* create the alias */
2187 ret = ldb_add(sam_ctx, msg);
2188 if (ret != LDB_SUCCESS) {
2189 DEBUG(0,("Failed to create foreignSecurityPrincipal "
2191 ldb_dn_get_linearized(msg->dn),
2192 ldb_errstring(sam_ctx)));
2193 talloc_free(sidstr);
2194 return NT_STATUS_INTERNAL_DB_CORRUPTION;
2197 *ret_dn = talloc_steal(mem_ctx, msg->dn);
2198 talloc_free(sidstr);
2200 return NT_STATUS_OK;
2205 Find the DN of a domain, assuming it to be a dotted.dns name
2208 struct ldb_dn *samdb_dns_domain_to_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, const char *dns_domain)
2211 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
2212 const char *binary_encoded;
2213 const char **split_realm;
2220 split_realm = (const char **)str_list_make(tmp_ctx, dns_domain, ".");
2222 talloc_free(tmp_ctx);
2225 dn = ldb_dn_new(mem_ctx, ldb, NULL);
2226 for (i=0; split_realm[i]; i++) {
2227 binary_encoded = ldb_binary_encode_string(tmp_ctx, split_realm[i]);
2228 if (!ldb_dn_add_base_fmt(dn, "dc=%s", binary_encoded)) {
2229 DEBUG(2, ("Failed to add dc=%s element to DN %s\n",
2230 binary_encoded, ldb_dn_get_linearized(dn)));
2231 talloc_free(tmp_ctx);
2235 if (!ldb_dn_validate(dn)) {
2236 DEBUG(2, ("Failed to validated DN %s\n",
2237 ldb_dn_get_linearized(dn)));
2238 talloc_free(tmp_ctx);
2241 talloc_free(tmp_ctx);
2246 Find the DN of a domain, be it the netbios or DNS name
2248 struct ldb_dn *samdb_domain_to_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx,
2249 const char *domain_name)
2251 const char * const domain_ref_attrs[] = {
2254 const char * const domain_ref2_attrs[] = {
2257 struct ldb_result *res_domain_ref;
2258 char *escaped_domain = ldb_binary_encode_string(mem_ctx, domain_name);
2259 /* find the domain's DN */
2260 int ret_domain = ldb_search(ldb, mem_ctx,
2262 samdb_partitions_dn(ldb, mem_ctx),
2265 "(&(nETBIOSName=%s)(objectclass=crossRef))",
2267 if (ret_domain != 0) {
2271 if (res_domain_ref->count == 0) {
2272 ret_domain = ldb_search(ldb, mem_ctx,
2274 samdb_dns_domain_to_dn(ldb, mem_ctx, domain_name),
2277 "(objectclass=domain)");
2278 if (ret_domain != 0) {
2282 if (res_domain_ref->count == 1) {
2283 return res_domain_ref->msgs[0]->dn;
2288 if (res_domain_ref->count > 1) {
2289 DEBUG(0,("Found %d records matching domain [%s]\n",
2290 ret_domain, domain_name));
2294 return samdb_result_dn(ldb, mem_ctx, res_domain_ref->msgs[0], "nCName", NULL);
2300 use a GUID to find a DN
2302 int dsdb_find_dn_by_guid(struct ldb_context *ldb,
2303 TALLOC_CTX *mem_ctx,
2304 const char *guid_str, struct ldb_dn **dn)
2307 struct ldb_result *res;
2308 const char *attrs[] = { NULL };
2309 struct ldb_request *search_req;
2311 struct ldb_search_options_control *options;
2313 expression = talloc_asprintf(mem_ctx, "objectGUID=%s", guid_str);
2315 DEBUG(0, (__location__ ": out of memory\n"));
2316 return LDB_ERR_OPERATIONS_ERROR;
2319 res = talloc_zero(expression, struct ldb_result);
2321 DEBUG(0, (__location__ ": out of memory\n"));
2322 talloc_free(expression);
2323 return LDB_ERR_OPERATIONS_ERROR;
2326 ret = ldb_build_search_req(&search_req, ldb, expression,
2327 ldb_get_default_basedn(ldb),
2331 res, ldb_search_default_callback,
2333 if (ret != LDB_SUCCESS) {
2334 talloc_free(expression);
2338 /* we need to cope with cross-partition links, so search for
2339 the GUID over all partitions */
2340 options = talloc(search_req, struct ldb_search_options_control);
2341 if (options == NULL) {
2342 DEBUG(0, (__location__ ": out of memory\n"));
2343 talloc_free(expression);
2344 return LDB_ERR_OPERATIONS_ERROR;
2346 options->search_options = LDB_SEARCH_OPTION_PHANTOM_ROOT;
2348 ret = ldb_request_add_control(search_req, LDB_CONTROL_EXTENDED_DN_OID, true, NULL);
2349 if (ret != LDB_SUCCESS) {
2350 talloc_free(expression);
2354 ret = ldb_request_add_control(search_req,
2355 LDB_CONTROL_SEARCH_OPTIONS_OID,
2357 if (ret != LDB_SUCCESS) {
2358 talloc_free(expression);
2362 ret = ldb_request(ldb, search_req);
2363 if (ret != LDB_SUCCESS) {
2364 talloc_free(expression);
2368 ret = ldb_wait(search_req->handle, LDB_WAIT_ALL);
2369 if (ret != LDB_SUCCESS) {
2370 talloc_free(expression);
2374 /* this really should be exactly 1, but there is a bug in the
2375 partitions module that can return two here with the
2376 search_options control set */
2377 if (res->count < 1) {
2378 talloc_free(expression);
2379 return LDB_ERR_NO_SUCH_OBJECT;
2382 *dn = talloc_steal(mem_ctx, res->msgs[0]->dn);
2383 talloc_free(expression);
2389 search for attrs on one DN, allowing for deleted objects
2391 int dsdb_search_dn_with_deleted(struct ldb_context *ldb,
2392 TALLOC_CTX *mem_ctx,
2393 struct ldb_result **_res,
2394 struct ldb_dn *basedn,
2395 const char * const *attrs)
2398 struct ldb_request *req;
2399 TALLOC_CTX *tmp_ctx;
2400 struct ldb_result *res;
2402 tmp_ctx = talloc_new(mem_ctx);
2404 res = talloc_zero(tmp_ctx, struct ldb_result);
2406 talloc_free(tmp_ctx);
2407 return LDB_ERR_OPERATIONS_ERROR;
2410 ret = ldb_build_search_req(&req, ldb, tmp_ctx,
2417 ldb_search_default_callback,
2419 if (ret != LDB_SUCCESS) {
2420 talloc_free(tmp_ctx);
2424 ret = ldb_request_add_control(req, LDB_CONTROL_SHOW_DELETED_OID, true, NULL);
2425 if (ret != LDB_SUCCESS) {
2426 talloc_free(tmp_ctx);
2430 ret = ldb_request(ldb, req);
2431 if (ret == LDB_SUCCESS) {
2432 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
2435 *_res = talloc_steal(mem_ctx, res);
2436 talloc_free(tmp_ctx);
2442 use a DN to find a GUID with a given attribute name
2444 int dsdb_find_guid_attr_by_dn(struct ldb_context *ldb,
2445 struct ldb_dn *dn, const char *attribute,
2449 struct ldb_result *res;
2450 const char *attrs[2];
2451 TALLOC_CTX *tmp_ctx = talloc_new(ldb);
2453 attrs[0] = attribute;
2456 ret = dsdb_search_dn_with_deleted(ldb, tmp_ctx, &res, dn, attrs);
2457 if (ret != LDB_SUCCESS) {
2458 talloc_free(tmp_ctx);
2461 if (res->count < 1) {
2462 talloc_free(tmp_ctx);
2463 return LDB_ERR_NO_SUCH_OBJECT;
2465 *guid = samdb_result_guid(res->msgs[0], attribute);
2466 talloc_free(tmp_ctx);
2471 use a DN to find a GUID
2473 int dsdb_find_guid_by_dn(struct ldb_context *ldb,
2474 struct ldb_dn *dn, struct GUID *guid)
2476 return dsdb_find_guid_attr_by_dn(ldb, dn, "objectGUID", guid);
2482 adds the given GUID to the given ldb_message. This value is added
2483 for the given attr_name (may be either "objectGUID" or "parentGUID").
2485 int dsdb_msg_add_guid(struct ldb_message *msg,
2487 const char *attr_name)
2492 TALLOC_CTX *tmp_ctx = talloc_init("dsdb_msg_add_guid");
2494 status = GUID_to_ndr_blob(guid, tmp_ctx, &v);
2495 if (!NT_STATUS_IS_OK(status)) {
2496 ret = LDB_ERR_OPERATIONS_ERROR;
2500 ret = ldb_msg_add_steal_value(msg, attr_name, &v);
2501 if (ret != LDB_SUCCESS) {
2502 DEBUG(4,(__location__ ": Failed to add %s to the message\n",
2510 talloc_free(tmp_ctx);
2517 use a DN to find a SID
2519 int dsdb_find_sid_by_dn(struct ldb_context *ldb,
2520 struct ldb_dn *dn, struct dom_sid *sid)
2523 struct ldb_result *res;
2524 const char *attrs[] = { "objectSID", NULL };
2525 TALLOC_CTX *tmp_ctx = talloc_new(ldb);
2530 ret = dsdb_search_dn_with_deleted(ldb, tmp_ctx, &res, dn, attrs);
2531 if (ret != LDB_SUCCESS) {
2532 talloc_free(tmp_ctx);
2535 if (res->count < 1) {
2536 talloc_free(tmp_ctx);
2537 return LDB_ERR_NO_SUCH_OBJECT;
2539 s = samdb_result_dom_sid(tmp_ctx, res->msgs[0], "objectSID");
2541 talloc_free(tmp_ctx);
2542 return LDB_ERR_NO_SUCH_OBJECT;
2545 talloc_free(tmp_ctx);
2552 load a repsFromTo blob list for a given partition GUID
2553 attr must be "repsFrom" or "repsTo"
2555 WERROR dsdb_loadreps(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx, struct ldb_dn *dn,
2556 const char *attr, struct repsFromToBlob **r, uint32_t *count)
2558 const char *attrs[] = { attr, NULL };
2559 struct ldb_result *res = NULL;
2560 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
2562 struct ldb_message_element *el;
2567 if (ldb_search(sam_ctx, tmp_ctx, &res, dn, LDB_SCOPE_BASE, attrs, NULL) != LDB_SUCCESS ||
2569 DEBUG(0,("dsdb_loadreps: failed to read partition object\n"));
2570 talloc_free(tmp_ctx);
2571 return WERR_DS_DRA_INTERNAL_ERROR;
2574 el = ldb_msg_find_element(res->msgs[0], attr);
2576 /* it's OK to be empty */
2577 talloc_free(tmp_ctx);
2581 *count = el->num_values;
2582 *r = talloc_array(mem_ctx, struct repsFromToBlob, *count);
2584 talloc_free(tmp_ctx);
2585 return WERR_DS_DRA_INTERNAL_ERROR;
2588 for (i=0; i<(*count); i++) {
2589 enum ndr_err_code ndr_err;
2590 ndr_err = ndr_pull_struct_blob(&el->values[i],
2591 mem_ctx, lp_iconv_convenience(ldb_get_opaque(sam_ctx, "loadparm")),
2593 (ndr_pull_flags_fn_t)ndr_pull_repsFromToBlob);
2594 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
2595 talloc_free(tmp_ctx);
2596 return WERR_DS_DRA_INTERNAL_ERROR;
2600 talloc_free(tmp_ctx);
2606 save the repsFromTo blob list for a given partition GUID
2607 attr must be "repsFrom" or "repsTo"
2609 WERROR dsdb_savereps(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx, struct ldb_dn *dn,
2610 const char *attr, struct repsFromToBlob *r, uint32_t count)
2612 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
2613 struct ldb_message *msg;
2614 struct ldb_message_element *el;
2617 msg = ldb_msg_new(tmp_ctx);
2619 if (ldb_msg_add_empty(msg, attr, LDB_FLAG_MOD_REPLACE, &el) != LDB_SUCCESS) {
2623 el->values = talloc_array(msg, struct ldb_val, count);
2628 for (i=0; i<count; i++) {
2630 enum ndr_err_code ndr_err;
2632 ndr_err = ndr_push_struct_blob(&v, tmp_ctx, lp_iconv_convenience(ldb_get_opaque(sam_ctx, "loadparm")),
2634 (ndr_push_flags_fn_t)ndr_push_repsFromToBlob);
2635 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
2643 if (ldb_modify(sam_ctx, msg) != LDB_SUCCESS) {
2644 DEBUG(0,("Failed to store %s - %s\n", attr, ldb_errstring(sam_ctx)));
2648 talloc_free(tmp_ctx);
2653 talloc_free(tmp_ctx);
2654 return WERR_DS_DRA_INTERNAL_ERROR;
2659 load the uSNHighest and the uSNUrgent attributes from the @REPLCHANGED
2660 object for a partition
2662 int dsdb_load_partition_usn(struct ldb_context *ldb, struct ldb_dn *dn,
2663 uint64_t *uSN, uint64_t *urgent_uSN)
2665 struct ldb_request *req;
2667 TALLOC_CTX *tmp_ctx = talloc_new(ldb);
2668 struct dsdb_control_current_partition *p_ctrl;
2669 struct ldb_result *res;
2671 res = talloc_zero(tmp_ctx, struct ldb_result);
2673 talloc_free(tmp_ctx);
2674 return LDB_ERR_OPERATIONS_ERROR;
2677 ret = ldb_build_search_req(&req, ldb, tmp_ctx,
2678 ldb_dn_new(tmp_ctx, ldb, "@REPLCHANGED"),
2682 res, ldb_search_default_callback,
2684 if (ret != LDB_SUCCESS) {
2685 talloc_free(tmp_ctx);
2689 p_ctrl = talloc(req, struct dsdb_control_current_partition);
2690 if (p_ctrl == NULL) {
2692 return LDB_ERR_OPERATIONS_ERROR;
2694 p_ctrl->version = DSDB_CONTROL_CURRENT_PARTITION_VERSION;
2698 ret = ldb_request_add_control(req,
2699 DSDB_CONTROL_CURRENT_PARTITION_OID,
2701 if (ret != LDB_SUCCESS) {
2702 talloc_free(tmp_ctx);
2706 /* Run the new request */
2707 ret = ldb_request(ldb, req);
2709 if (ret == LDB_SUCCESS) {
2710 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
2713 if (ret == LDB_ERR_NO_SUCH_OBJECT) {
2714 /* it hasn't been created yet, which means
2715 an implicit value of zero */
2717 talloc_free(tmp_ctx);
2721 if (ret != LDB_SUCCESS) {
2722 talloc_free(tmp_ctx);
2726 if (res->count < 1) {
2732 *uSN = ldb_msg_find_attr_as_uint64(res->msgs[0], "uSNHighest", 0);
2734 *urgent_uSN = ldb_msg_find_attr_as_uint64(res->msgs[0], "uSNUrgent", 0);
2738 talloc_free(tmp_ctx);
2744 save uSNHighest and uSNUrgent attributes in the @REPLCHANGED object for a
2747 int dsdb_save_partition_usn(struct ldb_context *ldb, struct ldb_dn *dn,
2748 uint64_t uSN, uint64_t urgent_uSN)
2750 struct ldb_request *req;
2751 struct ldb_message *msg;
2752 struct dsdb_control_current_partition *p_ctrl;
2755 msg = ldb_msg_new(ldb);
2757 return LDB_ERR_OPERATIONS_ERROR;
2760 msg->dn = ldb_dn_new(msg, ldb, "@REPLCHANGED");
2761 if (msg->dn == NULL) {
2763 return LDB_ERR_OPERATIONS_ERROR;
2766 ret = ldb_msg_add_fmt(msg, "uSNHighest", "%llu", (unsigned long long)uSN);
2767 if (ret != LDB_SUCCESS) {
2771 msg->elements[0].flags = LDB_FLAG_MOD_REPLACE;
2773 /* urgent_uSN is optional so may not be stored */
2775 ret = ldb_msg_add_fmt(msg, "uSNUrgent", "%llu", (unsigned long long)urgent_uSN);
2776 if (ret != LDB_SUCCESS) {
2780 msg->elements[1].flags = LDB_FLAG_MOD_REPLACE;
2784 p_ctrl = talloc(msg, struct dsdb_control_current_partition);
2785 if (p_ctrl == NULL) {
2787 return LDB_ERR_OPERATIONS_ERROR;
2789 p_ctrl->version = DSDB_CONTROL_CURRENT_PARTITION_VERSION;
2792 ret = ldb_build_mod_req(&req, ldb, msg,
2795 NULL, ldb_op_default_callback,
2798 if (ret != LDB_SUCCESS) {
2803 ret = ldb_request_add_control(req,
2804 DSDB_CONTROL_CURRENT_PARTITION_OID,
2806 if (ret != LDB_SUCCESS) {
2811 /* Run the new request */
2812 ret = ldb_request(ldb, req);
2814 if (ret == LDB_SUCCESS) {
2815 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
2817 if (ret == LDB_ERR_NO_SUCH_OBJECT) {
2818 ret = ldb_build_add_req(&req, ldb, msg,
2821 NULL, ldb_op_default_callback,
2831 int drsuapi_DsReplicaCursor2_compare(const struct drsuapi_DsReplicaCursor2 *c1,
2832 const struct drsuapi_DsReplicaCursor2 *c2)
2834 return GUID_compare(&c1->source_dsa_invocation_id, &c2->source_dsa_invocation_id);
2837 int drsuapi_DsReplicaCursor_compare(const struct drsuapi_DsReplicaCursor *c1,
2838 const struct drsuapi_DsReplicaCursor *c2)
2840 return GUID_compare(&c1->source_dsa_invocation_id, &c2->source_dsa_invocation_id);
2844 see if we are a RODC
2846 TODO: This should take a sam_ctx, and lookup the right object (with
2849 bool samdb_rodc(struct loadparm_context *lp_ctx)
2851 return lp_parm_bool(lp_ctx, NULL, "repl", "RODC", false);
2856 return NTDS options flags. See MS-ADTS 7.1.1.2.2.1.2.1.1
2858 flags are DS_NTDS_OPTION_*
2860 int samdb_ntds_options(struct ldb_context *ldb, uint32_t *options)
2862 TALLOC_CTX *tmp_ctx;
2863 const char *attrs[] = { "options", NULL };
2865 struct ldb_result *res;
2867 tmp_ctx = talloc_new(ldb);
2868 if (tmp_ctx == NULL) {
2872 ret = ldb_search(ldb, tmp_ctx, &res, samdb_ntds_settings_dn(ldb), LDB_SCOPE_BASE, attrs, NULL);
2877 if (res->count != 1) {
2881 *options = samdb_result_uint(res->msgs[0], "options", 0);
2883 talloc_free(tmp_ctx);
2888 DEBUG(1,("Failed to find our own NTDS Settings objectGUID in the ldb!\n"));
2889 talloc_free(tmp_ctx);
2890 return LDB_ERR_NO_SUCH_OBJECT;
2894 * Function which generates a "lDAPDisplayName" attribute from a "CN" one.
2895 * Algorithm implemented according to MS-ADTS 3.1.1.2.3.4
2897 const char *samdb_cn_to_lDAPDisplayName(TALLOC_CTX *mem_ctx, const char *cn)
2899 char **tokens, *ret;
2902 tokens = str_list_make(mem_ctx, cn, " -_");
2906 /* "tolower()" and "toupper()" should also work properly on 0x00 */
2907 tokens[0][0] = tolower(tokens[0][0]);
2908 for (i = 1; i < str_list_length((const char **)tokens); i++)
2909 tokens[i][0] = toupper(tokens[i][0]);
2911 ret = talloc_strdup(mem_ctx, tokens[0]);
2912 for (i = 1; i < str_list_length((const char **)tokens); i++)
2913 ret = talloc_asprintf_append_buffer(ret, "%s", tokens[i]);
2915 talloc_free(tokens);
2921 return domain functional level
2922 returns DS_DOMAIN_FUNCTION_*
2924 int dsdb_functional_level(struct ldb_context *ldb)
2926 int *domainFunctionality =
2927 talloc_get_type(ldb_get_opaque(ldb, "domainFunctionality"), int);
2928 if (!domainFunctionality) {
2929 DEBUG(0,(__location__ ": WARNING: domainFunctionality not setup\n"));
2930 return DS_DOMAIN_FUNCTION_2000;
2932 return *domainFunctionality;
2936 set a GUID in an extended DN structure
2938 int dsdb_set_extended_dn_guid(struct ldb_dn *dn, const struct GUID *guid, const char *component_name)
2944 status = GUID_to_ndr_blob(guid, dn, &v);
2945 if (!NT_STATUS_IS_OK(status)) {
2946 return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
2949 ret = ldb_dn_set_extended_component(dn, component_name, &v);
2955 return a GUID from a extended DN structure
2957 NTSTATUS dsdb_get_extended_dn_guid(struct ldb_dn *dn, struct GUID *guid, const char *component_name)
2959 const struct ldb_val *v;
2961 v = ldb_dn_get_extended_component(dn, component_name);
2963 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
2966 return GUID_from_ndr_blob(v, guid);
2970 return a uint64_t from a extended DN structure
2972 NTSTATUS dsdb_get_extended_dn_uint64(struct ldb_dn *dn, uint64_t *val, const char *component_name)
2974 const struct ldb_val *v;
2977 v = ldb_dn_get_extended_component(dn, component_name);
2979 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
2981 s = talloc_strndup(dn, (const char *)v->data, v->length);
2982 NT_STATUS_HAVE_NO_MEMORY(s);
2984 *val = strtoull(s, NULL, 0);
2987 return NT_STATUS_OK;
2991 return a NTTIME from a extended DN structure
2993 NTSTATUS dsdb_get_extended_dn_nttime(struct ldb_dn *dn, NTTIME *nttime, const char *component_name)
2995 return dsdb_get_extended_dn_uint64(dn, nttime, component_name);
2999 return a uint32_t from a extended DN structure
3001 NTSTATUS dsdb_get_extended_dn_uint32(struct ldb_dn *dn, uint32_t *val, const char *component_name)
3003 const struct ldb_val *v;
3006 v = ldb_dn_get_extended_component(dn, component_name);
3008 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
3011 s = talloc_strndup(dn, (const char *)v->data, v->length);
3012 NT_STATUS_HAVE_NO_MEMORY(s);
3014 *val = strtoul(s, NULL, 0);
3017 return NT_STATUS_OK;
3021 return RMD_FLAGS directly from a ldb_dn
3022 returns 0 if not found
3024 uint32_t dsdb_dn_rmd_flags(struct ldb_dn *dn)
3026 const struct ldb_val *v;
3028 v = ldb_dn_get_extended_component(dn, "RMD_FLAGS");
3029 if (!v || v->length > sizeof(buf)-1) return 0;
3030 strncpy(buf, (const char *)v->data, v->length);
3032 return strtoul(buf, NULL, 10);
3036 return RMD_FLAGS directly from a ldb_val for a DN
3037 returns 0 if RMD_FLAGS is not found
3039 uint32_t dsdb_dn_val_rmd_flags(struct ldb_val *val)
3045 if (val->length < 13) {
3048 p = memmem(val->data, val->length-2, "<RMD_FLAGS=", 11);
3052 flags = strtoul(p+11, &end, 10);
3053 if (!end || *end != '>') {
3054 /* it must end in a > */
3061 return true if a ldb_val containing a DN in storage form is deleted
3063 bool dsdb_dn_is_deleted_val(struct ldb_val *val)
3065 return (dsdb_dn_val_rmd_flags(val) & DSDB_RMD_FLAG_DELETED) != 0;
3069 return true if a ldb_val containing a DN in storage form is
3070 in the upgraded w2k3 linked attribute format
3072 bool dsdb_dn_is_upgraded_link_val(struct ldb_val *val)
3074 return memmem(val->data, val->length, "<RMD_ADDTIME=", 13) != NULL;
3078 return a DN for a wellknown GUID
3080 int dsdb_wellknown_dn(struct ldb_context *samdb, TALLOC_CTX *mem_ctx,
3081 struct ldb_dn *nc_root, const char *wk_guid,
3082 struct ldb_dn **wkguid_dn)
3084 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
3085 const char *attrs[] = { NULL };
3088 struct ldb_result *res;
3090 /* construct the magic WKGUID DN */
3091 dn = ldb_dn_new_fmt(tmp_ctx, samdb, "<WKGUID=%s,%s>",
3092 wk_guid, ldb_dn_get_linearized(nc_root));
3094 talloc_free(tmp_ctx);
3095 return LDB_ERR_OPERATIONS_ERROR;
3098 ret = dsdb_search_dn_with_deleted(samdb, tmp_ctx, &res, dn, attrs);
3099 if (ret != LDB_SUCCESS) {
3100 talloc_free(tmp_ctx);
3104 (*wkguid_dn) = talloc_steal(mem_ctx, res->msgs[0]->dn);
3105 talloc_free(tmp_ctx);
3110 static int dsdb_dn_compare_ptrs(struct ldb_dn **dn1, struct ldb_dn **dn2)
3112 return ldb_dn_compare(*dn1, *dn2);
3116 find a NC root given a DN within the NC
3118 int dsdb_find_nc_root(struct ldb_context *samdb, TALLOC_CTX *mem_ctx, struct ldb_dn *dn,
3119 struct ldb_dn **nc_root)
3121 const char *root_attrs[] = { "namingContexts", NULL };
3122 TALLOC_CTX *tmp_ctx;
3124 struct ldb_message_element *el;
3125 struct ldb_result *root_res;
3127 struct ldb_dn **nc_dns;
3129 tmp_ctx = talloc_new(samdb);
3130 if (tmp_ctx == NULL) {
3131 return LDB_ERR_OPERATIONS_ERROR;
3134 ret = ldb_search(samdb, tmp_ctx, &root_res,
3135 ldb_dn_new(tmp_ctx, samdb, ""), LDB_SCOPE_BASE, root_attrs, NULL);
3137 DEBUG(1,("Searching for namingContexts in rootDSE failed: %s\n", ldb_errstring(samdb)));
3138 talloc_free(tmp_ctx);
3142 el = ldb_msg_find_element(root_res->msgs[0], "namingContexts");
3144 DEBUG(1,("Finding namingContexts element in root_res failed: %s\n",
3145 ldb_errstring(samdb)));
3146 talloc_free(tmp_ctx);
3147 return LDB_ERR_NO_SUCH_ATTRIBUTE;
3150 nc_dns = talloc_array(tmp_ctx, struct ldb_dn *, el->num_values);
3152 talloc_free(tmp_ctx);
3153 return LDB_ERR_OPERATIONS_ERROR;
3156 for (i=0; i<el->num_values; i++) {
3157 nc_dns[i] = ldb_dn_from_ldb_val(nc_dns, samdb, &el->values[i]);
3158 if (nc_dns[i] == NULL) {
3159 talloc_free(tmp_ctx);
3160 return LDB_ERR_OPERATIONS_ERROR;
3164 TYPESAFE_QSORT(nc_dns, el->num_values, dsdb_dn_compare_ptrs);
3166 for (i=0; i<el->num_values; i++) {
3167 if (ldb_dn_compare_base(nc_dns[i], dn) == 0) {
3168 (*nc_root) = talloc_steal(mem_ctx, nc_dns[i]);
3169 talloc_free(tmp_ctx);
3174 talloc_free(tmp_ctx);
3175 return LDB_ERR_NO_SUCH_OBJECT;
3180 find the deleted objects DN for any object, by looking for the NC
3181 root, then looking up the wellknown GUID
3183 int dsdb_get_deleted_objects_dn(struct ldb_context *ldb,
3184 TALLOC_CTX *mem_ctx, struct ldb_dn *obj_dn,
3185 struct ldb_dn **do_dn)
3187 struct ldb_dn *nc_root;
3190 ret = dsdb_find_nc_root(ldb, mem_ctx, obj_dn, &nc_root);
3191 if (ret != LDB_SUCCESS) {
3195 ret = dsdb_wellknown_dn(ldb, mem_ctx, nc_root, DS_GUID_DELETED_OBJECTS_CONTAINER, do_dn);
3196 talloc_free(nc_root);
3201 return the tombstoneLifetime, in days
3203 int dsdb_tombstone_lifetime(struct ldb_context *ldb, uint32_t *lifetime)
3206 dn = samdb_config_dn(ldb);
3208 return LDB_ERR_NO_SUCH_OBJECT;
3210 dn = ldb_dn_copy(ldb, dn);
3212 return LDB_ERR_OPERATIONS_ERROR;
3214 /* see MS-ADTS section 7.1.1.2.4.1.1. There doesn't appear to
3215 be a wellknown GUID for this */
3216 if (!ldb_dn_add_child_fmt(dn, "CN=Directory Service,CN=Windows NT,CN=Services")) {
3218 return LDB_ERR_OPERATIONS_ERROR;
3221 *lifetime = samdb_search_uint(ldb, dn, 180, dn, "tombstoneLifetime", "objectClass=nTDSService");
3227 compare a ldb_val to a string case insensitively
3229 int samdb_ldb_val_case_cmp(const char *s, struct ldb_val *v)
3231 size_t len = strlen(s);
3233 if (len > v->length) return 1;
3234 ret = strncasecmp(s, (const char *)v->data, v->length);
3235 if (ret != 0) return ret;
3236 if (v->length > len && v->data[len] != 0) {
3244 load the UDV for a partition in v2 format
3245 The list is returned sorted, and with our local cursor added
3247 int dsdb_load_udv_v2(struct ldb_context *samdb, struct ldb_dn *dn, TALLOC_CTX *mem_ctx,
3248 struct drsuapi_DsReplicaCursor2 **cursors, uint32_t *count)
3250 static const char *attrs[] = { "replUpToDateVector", NULL };
3251 struct ldb_result *r;
3252 const struct ldb_val *ouv_value;
3254 uint64_t highest_usn;
3255 const struct GUID *our_invocation_id;
3256 struct timeval now = timeval_current();
3258 ret = ldb_search(samdb, mem_ctx, &r, dn, LDB_SCOPE_BASE, attrs, NULL);
3259 if (ret != LDB_SUCCESS) {
3263 ouv_value = ldb_msg_find_ldb_val(r->msgs[0], "replUpToDateVector");
3265 enum ndr_err_code ndr_err;
3266 struct replUpToDateVectorBlob ouv;
3268 ndr_err = ndr_pull_struct_blob(ouv_value, r,
3269 lp_iconv_convenience(ldb_get_opaque(samdb, "loadparm")), &ouv,
3270 (ndr_pull_flags_fn_t)ndr_pull_replUpToDateVectorBlob);
3271 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
3273 return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
3275 if (ouv.version != 2) {
3276 /* we always store as version 2, and
3277 * replUpToDateVector is not replicated
3279 return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
3282 *count = ouv.ctr.ctr2.count;
3283 *cursors = talloc_steal(mem_ctx, ouv.ctr.ctr2.cursors);
3291 our_invocation_id = samdb_ntds_invocation_id(samdb);
3292 if (!our_invocation_id) {
3293 DEBUG(0,(__location__ ": No invocationID on samdb - %s\n", ldb_errstring(samdb)));
3294 talloc_free(*cursors);
3295 return LDB_ERR_OPERATIONS_ERROR;
3298 ret = dsdb_load_partition_usn(samdb, dn, &highest_usn, NULL);
3299 if (ret != LDB_SUCCESS) {
3300 /* nothing to add - this can happen after a vampire */
3301 TYPESAFE_QSORT(*cursors, *count, drsuapi_DsReplicaCursor2_compare);
3305 for (i=0; i<*count; i++) {
3306 if (GUID_equal(our_invocation_id, &(*cursors)[i].source_dsa_invocation_id)) {
3307 (*cursors)[i].highest_usn = highest_usn;
3308 (*cursors)[i].last_sync_success = timeval_to_nttime(&now);
3309 TYPESAFE_QSORT(*cursors, *count, drsuapi_DsReplicaCursor2_compare);
3314 (*cursors) = talloc_realloc(mem_ctx, *cursors, struct drsuapi_DsReplicaCursor2, (*count)+1);
3316 return LDB_ERR_OPERATIONS_ERROR;
3319 (*cursors)[*count].source_dsa_invocation_id = *our_invocation_id;
3320 (*cursors)[*count].highest_usn = highest_usn;
3321 (*cursors)[*count].last_sync_success = timeval_to_nttime(&now);
3324 TYPESAFE_QSORT(*cursors, *count, drsuapi_DsReplicaCursor2_compare);
3330 load the UDV for a partition in version 1 format
3331 The list is returned sorted, and with our local cursor added
3333 int dsdb_load_udv_v1(struct ldb_context *samdb, struct ldb_dn *dn, TALLOC_CTX *mem_ctx,
3334 struct drsuapi_DsReplicaCursor **cursors, uint32_t *count)
3336 struct drsuapi_DsReplicaCursor2 *v2;
3339 ret = dsdb_load_udv_v2(samdb, dn, mem_ctx, &v2, count);
3340 if (ret != LDB_SUCCESS) {
3350 *cursors = talloc_array(mem_ctx, struct drsuapi_DsReplicaCursor, *count);
3351 if (*cursors == NULL) {
3353 return LDB_ERR_OPERATIONS_ERROR;
3356 for (i=0; i<*count; i++) {
3357 (*cursors)[i].source_dsa_invocation_id = v2[i].source_dsa_invocation_id;
3358 (*cursors)[i].highest_usn = v2[i].highest_usn;