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"
42 search the sam for the specified attributes in a specific domain, filter on
43 objectSid being in domain_sid.
45 int samdb_search_domain(struct ldb_context *sam_ldb,
47 struct ldb_dn *basedn,
48 struct ldb_message ***res,
49 const char * const *attrs,
50 const struct dom_sid *domain_sid,
51 const char *format, ...) _PRINTF_ATTRIBUTE(7,8)
57 count = gendb_search_v(sam_ldb, mem_ctx, basedn,
58 res, attrs, format, ap);
64 struct dom_sid *entry_sid;
66 entry_sid = samdb_result_dom_sid(mem_ctx, (*res)[i], "objectSid");
68 if ((entry_sid == NULL) ||
69 (!dom_sid_in_domain(domain_sid, entry_sid))) {
70 /* Delete that entry from the result set */
71 (*res)[i] = (*res)[count-1];
73 talloc_free(entry_sid);
76 talloc_free(entry_sid);
84 search the sam for a single string attribute in exactly 1 record
86 const char *samdb_search_string_v(struct ldb_context *sam_ldb,
88 struct ldb_dn *basedn,
89 const char *attr_name,
90 const char *format, va_list ap) _PRINTF_ATTRIBUTE(5,0)
93 const char *attrs[2] = { NULL, NULL };
94 struct ldb_message **res = NULL;
98 count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, attrs, format, ap);
100 DEBUG(1,("samdb: search for %s %s not single valued (count=%d)\n",
101 attr_name, format, count));
108 return samdb_result_string(res[0], attr_name, NULL);
112 search the sam for a single string attribute in exactly 1 record
114 const char *samdb_search_string(struct ldb_context *sam_ldb,
116 struct ldb_dn *basedn,
117 const char *attr_name,
118 const char *format, ...) _PRINTF_ATTRIBUTE(5,6)
123 va_start(ap, format);
124 str = samdb_search_string_v(sam_ldb, mem_ctx, basedn, attr_name, format, ap);
130 struct ldb_dn *samdb_search_dn(struct ldb_context *sam_ldb,
132 struct ldb_dn *basedn,
133 const char *format, ...) _PRINTF_ATTRIBUTE(4,5)
137 struct ldb_message **res = NULL;
140 va_start(ap, format);
141 count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, NULL, format, ap);
144 if (count != 1) return NULL;
146 ret = talloc_steal(mem_ctx, res[0]->dn);
153 search the sam for a dom_sid attribute in exactly 1 record
155 struct dom_sid *samdb_search_dom_sid(struct ldb_context *sam_ldb,
157 struct ldb_dn *basedn,
158 const char *attr_name,
159 const char *format, ...) _PRINTF_ATTRIBUTE(5,6)
163 struct ldb_message **res;
164 const char *attrs[2] = { NULL, NULL };
167 attrs[0] = attr_name;
169 va_start(ap, format);
170 count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, attrs, format, ap);
173 DEBUG(1,("samdb: search for %s %s not single valued (count=%d)\n",
174 attr_name, format, count));
180 sid = samdb_result_dom_sid(mem_ctx, res[0], attr_name);
186 return the count of the number of records in the sam matching the query
188 int samdb_search_count(struct ldb_context *sam_ldb,
190 struct ldb_dn *basedn,
191 const char *format, ...) _PRINTF_ATTRIBUTE(4,5)
194 struct ldb_message **res;
195 const char * const attrs[] = { NULL };
198 va_start(ap, format);
199 ret = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, attrs, format, ap);
207 search the sam for a single integer attribute in exactly 1 record
209 uint_t samdb_search_uint(struct ldb_context *sam_ldb,
211 uint_t default_value,
212 struct ldb_dn *basedn,
213 const char *attr_name,
214 const char *format, ...) _PRINTF_ATTRIBUTE(6,7)
218 struct ldb_message **res;
219 const char *attrs[2] = { NULL, NULL };
221 attrs[0] = attr_name;
223 va_start(ap, format);
224 count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, attrs, format, ap);
228 return default_value;
231 return samdb_result_uint(res[0], attr_name, default_value);
235 search the sam for a single signed 64 bit integer attribute in exactly 1 record
237 int64_t samdb_search_int64(struct ldb_context *sam_ldb,
239 int64_t default_value,
240 struct ldb_dn *basedn,
241 const char *attr_name,
242 const char *format, ...) _PRINTF_ATTRIBUTE(6,7)
246 struct ldb_message **res;
247 const char *attrs[2] = { NULL, NULL };
249 attrs[0] = attr_name;
251 va_start(ap, format);
252 count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, attrs, format, ap);
256 return default_value;
259 return samdb_result_int64(res[0], attr_name, default_value);
263 search the sam for multipe records each giving a single string attribute
264 return the number of matches, or -1 on error
266 int samdb_search_string_multiple(struct ldb_context *sam_ldb,
268 struct ldb_dn *basedn,
270 const char *attr_name,
271 const char *format, ...) _PRINTF_ATTRIBUTE(6,7)
275 const char *attrs[2] = { NULL, NULL };
276 struct ldb_message **res = NULL;
278 attrs[0] = attr_name;
280 va_start(ap, format);
281 count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, attrs, format, ap);
288 /* make sure its single valued */
289 for (i=0;i<count;i++) {
290 if (res[i]->num_elements != 1) {
291 DEBUG(1,("samdb: search for %s %s not single valued\n",
298 *strs = talloc_array(mem_ctx, const char *, count+1);
304 for (i=0;i<count;i++) {
305 (*strs)[i] = samdb_result_string(res[i], attr_name, NULL);
307 (*strs)[count] = NULL;
313 pull a uint from a result set.
315 uint_t samdb_result_uint(const struct ldb_message *msg, const char *attr, uint_t default_value)
317 return ldb_msg_find_attr_as_uint(msg, attr, default_value);
321 pull a (signed) int64 from a result set.
323 int64_t samdb_result_int64(const struct ldb_message *msg, const char *attr, int64_t default_value)
325 return ldb_msg_find_attr_as_int64(msg, attr, default_value);
329 pull a string from a result set.
331 const char *samdb_result_string(const struct ldb_message *msg, const char *attr,
332 const char *default_value)
334 return ldb_msg_find_attr_as_string(msg, attr, default_value);
337 struct ldb_dn *samdb_result_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
338 const char *attr, struct ldb_dn *default_value)
340 struct ldb_dn *ret_dn = ldb_msg_find_attr_as_dn(ldb, mem_ctx, msg, attr);
342 return default_value;
348 pull a rid from a objectSid in a result set.
350 uint32_t samdb_result_rid_from_sid(TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
351 const char *attr, uint32_t default_value)
356 sid = samdb_result_dom_sid(mem_ctx, msg, attr);
358 return default_value;
360 rid = sid->sub_auths[sid->num_auths-1];
366 pull a dom_sid structure from a objectSid in a result set.
368 struct dom_sid *samdb_result_dom_sid(TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
371 const struct ldb_val *v;
373 enum ndr_err_code ndr_err;
374 v = ldb_msg_find_ldb_val(msg, attr);
378 sid = talloc(mem_ctx, struct dom_sid);
382 ndr_err = ndr_pull_struct_blob(v, sid, NULL, sid,
383 (ndr_pull_flags_fn_t)ndr_pull_dom_sid);
384 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
392 pull a guid structure from a objectGUID in a result set.
394 struct GUID samdb_result_guid(const struct ldb_message *msg, const char *attr)
396 const struct ldb_val *v;
397 enum ndr_err_code ndr_err;
403 v = ldb_msg_find_ldb_val(msg, attr);
406 mem_ctx = talloc_named_const(NULL, 0, "samdb_result_guid");
407 if (!mem_ctx) return guid;
408 ndr_err = ndr_pull_struct_blob(v, mem_ctx, NULL, &guid,
409 (ndr_pull_flags_fn_t)ndr_pull_GUID);
410 talloc_free(mem_ctx);
411 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
419 pull a sid prefix from a objectSid in a result set.
420 this is used to find the domain sid for a user
422 struct dom_sid *samdb_result_sid_prefix(TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
425 struct dom_sid *sid = samdb_result_dom_sid(mem_ctx, msg, attr);
426 if (!sid || sid->num_auths < 1) return NULL;
432 pull a NTTIME in a result set.
434 NTTIME samdb_result_nttime(struct ldb_message *msg, const char *attr, NTTIME default_value)
436 return ldb_msg_find_attr_as_uint64(msg, attr, default_value);
440 * Windows stores 0 for lastLogoff.
441 * But when a MS DC return the lastLogoff (as Logoff Time)
442 * it returns 0x7FFFFFFFFFFFFFFF, not returning this value in this case
443 * cause windows 2008 and newer version to fail for SMB requests
445 NTTIME samdb_result_last_logoff(struct ldb_message *msg)
447 NTTIME ret = ldb_msg_find_attr_as_uint64(msg, "lastLogoff",0);
450 ret = 0x7FFFFFFFFFFFFFFFULL;
456 * Windows uses both 0 and 9223372036854775807 (0x7FFFFFFFFFFFFFFFULL) to
457 * indicate an account doesn't expire.
459 * When Windows initially creates an account, it sets
460 * accountExpires = 9223372036854775807 (0x7FFFFFFFFFFFFFFF). However,
461 * when changing from an account having a specific expiration date to
462 * that account never expiring, it sets accountExpires = 0.
464 * Consolidate that logic here to allow clearer logic for account expiry in
465 * the rest of the code.
467 NTTIME samdb_result_account_expires(struct ldb_message *msg)
469 NTTIME ret = ldb_msg_find_attr_as_uint64(msg, "accountExpires",
473 ret = 0x7FFFFFFFFFFFFFFFULL;
479 pull a uint64_t from a result set.
481 uint64_t samdb_result_uint64(struct ldb_message *msg, const char *attr, uint64_t default_value)
483 return ldb_msg_find_attr_as_uint64(msg, attr, default_value);
488 construct the allow_password_change field from the PwdLastSet attribute and the
489 domain password settings
491 NTTIME samdb_result_allow_password_change(struct ldb_context *sam_ldb,
493 struct ldb_dn *domain_dn,
494 struct ldb_message *msg,
497 uint64_t attr_time = samdb_result_uint64(msg, attr, 0);
500 if (attr_time == 0) {
504 minPwdAge = samdb_search_int64(sam_ldb, mem_ctx, 0, domain_dn, "minPwdAge", NULL);
506 /* yes, this is a -= not a += as minPwdAge is stored as the negative
507 of the number of 100-nano-seconds */
508 attr_time -= minPwdAge;
514 construct the force_password_change field from the PwdLastSet
515 attribute, the userAccountControl and the domain password settings
517 NTTIME samdb_result_force_password_change(struct ldb_context *sam_ldb,
519 struct ldb_dn *domain_dn,
520 struct ldb_message *msg)
522 uint64_t attr_time = samdb_result_uint64(msg, "pwdLastSet", 0);
523 uint32_t userAccountControl = samdb_result_uint64(msg, "userAccountControl", 0);
526 /* Machine accounts don't expire, and there is a flag for 'no expiry' */
527 if (!(userAccountControl & UF_NORMAL_ACCOUNT)
528 || (userAccountControl & UF_DONT_EXPIRE_PASSWD)) {
529 return 0x7FFFFFFFFFFFFFFFULL;
532 if (attr_time == 0) {
536 maxPwdAge = samdb_search_int64(sam_ldb, mem_ctx, 0, domain_dn, "maxPwdAge", NULL);
537 if (maxPwdAge == 0) {
538 return 0x7FFFFFFFFFFFFFFFULL;
540 attr_time -= maxPwdAge;
547 pull a samr_Password structutre from a result set.
549 struct samr_Password *samdb_result_hash(TALLOC_CTX *mem_ctx, const struct ldb_message *msg, const char *attr)
551 struct samr_Password *hash = NULL;
552 const struct ldb_val *val = ldb_msg_find_ldb_val(msg, attr);
553 if (val && (val->length >= sizeof(hash->hash))) {
554 hash = talloc(mem_ctx, struct samr_Password);
555 memcpy(hash->hash, val->data, MIN(val->length, sizeof(hash->hash)));
561 pull an array of samr_Password structutres from a result set.
563 uint_t samdb_result_hashes(TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
564 const char *attr, struct samr_Password **hashes)
567 const struct ldb_val *val = ldb_msg_find_ldb_val(msg, attr);
574 count = val->length / 16;
579 *hashes = talloc_array(mem_ctx, struct samr_Password, count);
584 for (i=0;i<count;i++) {
585 memcpy((*hashes)[i].hash, (i*16)+(char *)val->data, 16);
591 NTSTATUS samdb_result_passwords(TALLOC_CTX *mem_ctx, struct loadparm_context *lp_ctx, struct ldb_message *msg,
592 struct samr_Password **lm_pwd, struct samr_Password **nt_pwd)
594 struct samr_Password *lmPwdHash, *ntPwdHash;
597 num_nt = samdb_result_hashes(mem_ctx, msg, "unicodePwd", &ntPwdHash);
600 } else if (num_nt > 1) {
601 return NT_STATUS_INTERNAL_DB_CORRUPTION;
603 *nt_pwd = &ntPwdHash[0];
607 /* Ensure that if we have turned off LM
608 * authentication, that we never use the LM hash, even
610 if (lp_lanman_auth(lp_ctx)) {
612 num_lm = samdb_result_hashes(mem_ctx, msg, "dBCSPwd", &lmPwdHash);
615 } else if (num_lm > 1) {
616 return NT_STATUS_INTERNAL_DB_CORRUPTION;
618 *lm_pwd = &lmPwdHash[0];
628 pull a samr_LogonHours structutre from a result set.
630 struct samr_LogonHours samdb_result_logon_hours(TALLOC_CTX *mem_ctx, struct ldb_message *msg, const char *attr)
632 struct samr_LogonHours hours;
633 const int units_per_week = 168;
634 const struct ldb_val *val = ldb_msg_find_ldb_val(msg, attr);
636 hours.bits = talloc_array(mem_ctx, uint8_t, units_per_week);
640 hours.units_per_week = units_per_week;
641 memset(hours.bits, 0xFF, units_per_week);
643 memcpy(hours.bits, val->data, MIN(val->length, units_per_week));
649 pull a set of account_flags from a result set.
651 This requires that the attributes:
656 uint32_t samdb_result_acct_flags(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx,
657 struct ldb_message *msg, struct ldb_dn *domain_dn)
659 uint32_t userAccountControl = ldb_msg_find_attr_as_uint(msg, "userAccountControl", 0);
660 uint32_t acct_flags = ds_uf2acb(userAccountControl);
661 NTTIME must_change_time;
664 must_change_time = samdb_result_force_password_change(sam_ctx, mem_ctx,
667 /* Test account expire time */
668 unix_to_nt_time(&now, time(NULL));
669 /* check for expired password */
670 if (must_change_time < now) {
671 acct_flags |= ACB_PW_EXPIRED;
676 struct lsa_BinaryString samdb_result_parameters(TALLOC_CTX *mem_ctx,
677 struct ldb_message *msg,
680 struct lsa_BinaryString s;
681 const struct ldb_val *val = ldb_msg_find_ldb_val(msg, attr);
689 s.array = talloc_array(mem_ctx, uint16_t, val->length/2);
693 s.length = s.size = val->length/2;
694 memcpy(s.array, val->data, val->length);
699 /* Find an attribute, with a particular value */
701 /* The current callers of this function expect a very specific
702 * behaviour: In particular, objectClass subclass equivilance is not
703 * wanted. This means that we should not lookup the schema for the
704 * comparison function */
705 struct ldb_message_element *samdb_find_attribute(struct ldb_context *ldb,
706 const struct ldb_message *msg,
707 const char *name, const char *value)
710 struct ldb_message_element *el = ldb_msg_find_element(msg, name);
716 for (i=0;i<el->num_values;i++) {
717 if (ldb_attr_cmp(value, (char *)el->values[i].data) == 0) {
725 int samdb_find_or_add_value(struct ldb_context *ldb, struct ldb_message *msg, const char *name, const char *set_value)
727 if (samdb_find_attribute(ldb, msg, name, set_value) == NULL) {
728 return samdb_msg_add_string(ldb, msg, msg, name, set_value);
733 int samdb_find_or_add_attribute(struct ldb_context *ldb, struct ldb_message *msg, const char *name, const char *set_value)
735 struct ldb_message_element *el;
737 el = ldb_msg_find_element(msg, name);
742 return samdb_msg_add_string(ldb, msg, msg, name, set_value);
748 add a string element to a message
750 int samdb_msg_add_string(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
751 const char *attr_name, const char *str)
753 char *s = talloc_strdup(mem_ctx, str);
754 char *a = talloc_strdup(mem_ctx, attr_name);
755 if (s == NULL || a == NULL) {
756 return LDB_ERR_OPERATIONS_ERROR;
758 return ldb_msg_add_string(msg, a, s);
762 add a dom_sid element to a message
764 int samdb_msg_add_dom_sid(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
765 const char *attr_name, struct dom_sid *sid)
768 enum ndr_err_code ndr_err;
770 ndr_err = ndr_push_struct_blob(&v, mem_ctx,
771 lp_iconv_convenience(ldb_get_opaque(sam_ldb, "loadparm")),
773 (ndr_push_flags_fn_t)ndr_push_dom_sid);
774 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
777 return ldb_msg_add_value(msg, attr_name, &v, NULL);
782 add a delete element operation to a message
784 int samdb_msg_add_delete(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
785 const char *attr_name)
787 /* we use an empty replace rather than a delete, as it allows for
788 samdb_replace() to be used everywhere */
789 return ldb_msg_add_empty(msg, attr_name, LDB_FLAG_MOD_REPLACE, NULL);
793 add a add attribute value to a message
795 int samdb_msg_add_addval(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
796 const char *attr_name, const char *value)
798 struct ldb_message_element *el;
801 a = talloc_strdup(mem_ctx, attr_name);
804 v = talloc_strdup(mem_ctx, value);
807 ret = ldb_msg_add_string(msg, a, v);
810 el = ldb_msg_find_element(msg, a);
813 el->flags = LDB_FLAG_MOD_ADD;
818 add a delete attribute value to a message
820 int samdb_msg_add_delval(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
821 const char *attr_name, const char *value)
823 struct ldb_message_element *el;
826 a = talloc_strdup(mem_ctx, attr_name);
829 v = talloc_strdup(mem_ctx, value);
832 ret = ldb_msg_add_string(msg, a, v);
835 el = ldb_msg_find_element(msg, a);
838 el->flags = LDB_FLAG_MOD_DELETE;
843 add a int element to a message
845 int samdb_msg_add_int(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
846 const char *attr_name, int v)
848 const char *s = talloc_asprintf(mem_ctx, "%d", v);
849 return samdb_msg_add_string(sam_ldb, mem_ctx, msg, attr_name, s);
853 add a uint_t element to a message
855 int samdb_msg_add_uint(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
856 const char *attr_name, uint_t v)
858 const char *s = talloc_asprintf(mem_ctx, "%u", v);
859 return samdb_msg_add_string(sam_ldb, mem_ctx, msg, attr_name, s);
863 add a (signed) int64_t element to a message
865 int samdb_msg_add_int64(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
866 const char *attr_name, int64_t v)
868 const char *s = talloc_asprintf(mem_ctx, "%lld", (long long)v);
869 return samdb_msg_add_string(sam_ldb, mem_ctx, msg, attr_name, s);
873 add a uint64_t element to a message
875 int samdb_msg_add_uint64(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
876 const char *attr_name, uint64_t v)
878 const char *s = talloc_asprintf(mem_ctx, "%llu", (unsigned long long)v);
879 return samdb_msg_add_string(sam_ldb, mem_ctx, msg, attr_name, s);
883 add a samr_Password element to a message
885 int samdb_msg_add_hash(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
886 const char *attr_name, struct samr_Password *hash)
889 val.data = talloc_memdup(mem_ctx, hash->hash, 16);
894 return ldb_msg_add_value(msg, attr_name, &val, NULL);
898 add a samr_Password array to a message
900 int samdb_msg_add_hashes(TALLOC_CTX *mem_ctx, struct ldb_message *msg,
901 const char *attr_name, struct samr_Password *hashes, uint_t count)
905 val.data = talloc_array_size(mem_ctx, 16, count);
906 val.length = count*16;
910 for (i=0;i<count;i++) {
911 memcpy(i*16 + (char *)val.data, hashes[i].hash, 16);
913 return ldb_msg_add_value(msg, attr_name, &val, NULL);
917 add a acct_flags element to a message
919 int samdb_msg_add_acct_flags(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
920 const char *attr_name, uint32_t v)
922 return samdb_msg_add_uint(sam_ldb, mem_ctx, msg, attr_name, ds_acb2uf(v));
926 add a logon_hours element to a message
928 int samdb_msg_add_logon_hours(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
929 const char *attr_name, struct samr_LogonHours *hours)
932 val.length = hours->units_per_week / 8;
933 val.data = hours->bits;
934 return ldb_msg_add_value(msg, attr_name, &val, NULL);
938 add a parameters element to a message
940 int samdb_msg_add_parameters(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
941 const char *attr_name, struct lsa_BinaryString *parameters)
944 val.length = parameters->length * 2;
945 val.data = (uint8_t *)parameters->array;
946 return ldb_msg_add_value(msg, attr_name, &val, NULL);
949 add a general value element to a message
951 int samdb_msg_add_value(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
952 const char *attr_name, const struct ldb_val *val)
954 return ldb_msg_add_value(msg, attr_name, val, NULL);
958 sets a general value element to a message
960 int samdb_msg_set_value(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
961 const char *attr_name, const struct ldb_val *val)
963 struct ldb_message_element *el;
965 el = ldb_msg_find_element(msg, attr_name);
969 return ldb_msg_add_value(msg, attr_name, val, NULL);
973 set a string element in a message
975 int samdb_msg_set_string(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
976 const char *attr_name, const char *str)
978 struct ldb_message_element *el;
980 el = ldb_msg_find_element(msg, attr_name);
984 return samdb_msg_add_string(sam_ldb, mem_ctx, msg, attr_name, str);
988 replace elements in a record
990 int samdb_replace(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg)
994 /* mark all the message elements as LDB_FLAG_MOD_REPLACE */
995 for (i=0;i<msg->num_elements;i++) {
996 msg->elements[i].flags = LDB_FLAG_MOD_REPLACE;
999 /* modify the samdb record */
1000 return ldb_modify(sam_ldb, msg);
1004 return a default security descriptor
1006 struct security_descriptor *samdb_default_security_descriptor(TALLOC_CTX *mem_ctx)
1008 struct security_descriptor *sd;
1010 sd = security_descriptor_initialise(mem_ctx);
1015 struct ldb_dn *samdb_base_dn(struct ldb_context *sam_ctx)
1017 return ldb_get_default_basedn(sam_ctx);
1020 struct ldb_dn *samdb_config_dn(struct ldb_context *sam_ctx)
1022 return ldb_get_config_basedn(sam_ctx);
1025 struct ldb_dn *samdb_schema_dn(struct ldb_context *sam_ctx)
1027 return ldb_get_schema_basedn(sam_ctx);
1030 struct ldb_dn *samdb_root_dn(struct ldb_context *sam_ctx)
1032 return ldb_get_root_basedn(sam_ctx);
1035 struct ldb_dn *samdb_partitions_dn(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx)
1037 struct ldb_dn *new_dn;
1039 new_dn = ldb_dn_copy(mem_ctx, samdb_config_dn(sam_ctx));
1040 if ( ! ldb_dn_add_child_fmt(new_dn, "CN=Partitions")) {
1041 talloc_free(new_dn);
1047 struct ldb_dn *samdb_sites_dn(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx)
1049 struct ldb_dn *new_dn;
1051 new_dn = ldb_dn_copy(mem_ctx, samdb_config_dn(sam_ctx));
1052 if ( ! ldb_dn_add_child_fmt(new_dn, "CN=Sites")) {
1053 talloc_free(new_dn);
1060 work out the domain sid for the current open ldb
1062 const struct dom_sid *samdb_domain_sid(struct ldb_context *ldb)
1064 TALLOC_CTX *tmp_ctx;
1065 const struct dom_sid *domain_sid;
1066 const char *attrs[] = {
1070 struct ldb_result *res;
1073 /* see if we have a cached copy */
1074 domain_sid = (struct dom_sid *)ldb_get_opaque(ldb, "cache.domain_sid");
1079 tmp_ctx = talloc_new(ldb);
1080 if (tmp_ctx == NULL) {
1084 ret = ldb_search(ldb, tmp_ctx, &res, ldb_get_default_basedn(ldb), LDB_SCOPE_BASE, attrs, "objectSid=*");
1086 if (ret != LDB_SUCCESS) {
1090 if (res->count != 1) {
1094 domain_sid = samdb_result_dom_sid(tmp_ctx, res->msgs[0], "objectSid");
1095 if (domain_sid == NULL) {
1099 /* cache the domain_sid in the ldb */
1100 if (ldb_set_opaque(ldb, "cache.domain_sid", discard_const_p(struct dom_sid, domain_sid)) != LDB_SUCCESS) {
1104 talloc_steal(ldb, domain_sid);
1105 talloc_free(tmp_ctx);
1110 DEBUG(1,("Failed to find domain_sid for open ldb\n"));
1111 talloc_free(tmp_ctx);
1115 bool samdb_set_domain_sid(struct ldb_context *ldb, const struct dom_sid *dom_sid_in)
1117 TALLOC_CTX *tmp_ctx;
1118 struct dom_sid *dom_sid_new;
1119 struct dom_sid *dom_sid_old;
1121 /* see if we have a cached copy */
1122 dom_sid_old = talloc_get_type(ldb_get_opaque(ldb,
1123 "cache.domain_sid"), struct dom_sid);
1125 tmp_ctx = talloc_new(ldb);
1126 if (tmp_ctx == NULL) {
1130 dom_sid_new = dom_sid_dup(tmp_ctx, dom_sid_in);
1135 /* cache the domain_sid in the ldb */
1136 if (ldb_set_opaque(ldb, "cache.domain_sid", dom_sid_new) != LDB_SUCCESS) {
1140 talloc_steal(ldb, dom_sid_new);
1141 talloc_free(tmp_ctx);
1142 talloc_free(dom_sid_old);
1147 DEBUG(1,("Failed to set our own cached domain SID in the ldb!\n"));
1148 talloc_free(tmp_ctx);
1152 /* Obtain the short name of the flexible single master operator
1153 * (FSMO), such as the PDC Emulator */
1154 const char *samdb_result_fsmo_name(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
1157 /* Format is cn=NTDS Settings,cn=<NETBIOS name of FSMO>,.... */
1158 struct ldb_dn *fsmo_dn = ldb_msg_find_attr_as_dn(ldb, mem_ctx, msg, attr);
1159 const struct ldb_val *val = ldb_dn_get_component_val(fsmo_dn, 1);
1160 const char *name = ldb_dn_get_component_name(fsmo_dn, 1);
1162 if (!name || (ldb_attr_cmp(name, "cn") != 0)) {
1163 /* Ensure this matches the format. This gives us a
1164 * bit more confidence that a 'cn' value will be a
1169 return (char *)val->data;
1175 work out the ntds settings dn for the current open ldb
1177 struct ldb_dn *samdb_ntds_settings_dn(struct ldb_context *ldb)
1179 TALLOC_CTX *tmp_ctx;
1180 const char *root_attrs[] = { "dsServiceName", NULL };
1182 struct ldb_result *root_res;
1183 struct ldb_dn *settings_dn;
1185 /* see if we have a cached copy */
1186 settings_dn = (struct ldb_dn *)ldb_get_opaque(ldb, "cache.settings_dn");
1191 tmp_ctx = talloc_new(ldb);
1192 if (tmp_ctx == NULL) {
1196 ret = ldb_search(ldb, tmp_ctx, &root_res, ldb_dn_new(tmp_ctx, ldb, ""), LDB_SCOPE_BASE, root_attrs, NULL);
1198 DEBUG(1,("Searching for dsServiceName in rootDSE failed: %s\n",
1199 ldb_errstring(ldb)));
1203 if (root_res->count != 1) {
1207 settings_dn = ldb_msg_find_attr_as_dn(ldb, tmp_ctx, root_res->msgs[0], "dsServiceName");
1209 /* cache the domain_sid in the ldb */
1210 if (ldb_set_opaque(ldb, "cache.settings_dn", settings_dn) != LDB_SUCCESS) {
1214 talloc_steal(ldb, settings_dn);
1215 talloc_free(tmp_ctx);
1220 DEBUG(1,("Failed to find our own NTDS Settings DN in the ldb!\n"));
1221 talloc_free(tmp_ctx);
1226 work out the ntds settings invocationId for the current open ldb
1228 const struct GUID *samdb_ntds_invocation_id(struct ldb_context *ldb)
1230 TALLOC_CTX *tmp_ctx;
1231 const char *attrs[] = { "invocationId", NULL };
1233 struct ldb_result *res;
1234 struct GUID *invocation_id;
1236 /* see if we have a cached copy */
1237 invocation_id = (struct GUID *)ldb_get_opaque(ldb, "cache.invocation_id");
1238 if (invocation_id) {
1239 return invocation_id;
1242 tmp_ctx = talloc_new(ldb);
1243 if (tmp_ctx == NULL) {
1247 ret = ldb_search(ldb, tmp_ctx, &res, samdb_ntds_settings_dn(ldb), LDB_SCOPE_BASE, attrs, NULL);
1252 if (res->count != 1) {
1256 invocation_id = talloc(tmp_ctx, struct GUID);
1257 if (!invocation_id) {
1261 *invocation_id = samdb_result_guid(res->msgs[0], "invocationId");
1263 /* cache the domain_sid in the ldb */
1264 if (ldb_set_opaque(ldb, "cache.invocation_id", invocation_id) != LDB_SUCCESS) {
1268 talloc_steal(ldb, invocation_id);
1269 talloc_free(tmp_ctx);
1271 return invocation_id;
1274 DEBUG(1,("Failed to find our own NTDS Settings invocationId in the ldb!\n"));
1275 talloc_free(tmp_ctx);
1279 bool samdb_set_ntds_invocation_id(struct ldb_context *ldb, const struct GUID *invocation_id_in)
1281 TALLOC_CTX *tmp_ctx;
1282 struct GUID *invocation_id_new;
1283 struct GUID *invocation_id_old;
1285 /* see if we have a cached copy */
1286 invocation_id_old = (struct GUID *)ldb_get_opaque(ldb,
1287 "cache.invocation_id");
1289 tmp_ctx = talloc_new(ldb);
1290 if (tmp_ctx == NULL) {
1294 invocation_id_new = talloc(tmp_ctx, struct GUID);
1295 if (!invocation_id_new) {
1299 *invocation_id_new = *invocation_id_in;
1301 /* cache the domain_sid in the ldb */
1302 if (ldb_set_opaque(ldb, "cache.invocation_id", invocation_id_new) != LDB_SUCCESS) {
1306 talloc_steal(ldb, invocation_id_new);
1307 talloc_free(tmp_ctx);
1308 talloc_free(invocation_id_old);
1313 DEBUG(1,("Failed to set our own cached invocationId in the ldb!\n"));
1314 talloc_free(tmp_ctx);
1319 work out the ntds settings objectGUID for the current open ldb
1321 const struct GUID *samdb_ntds_objectGUID(struct ldb_context *ldb)
1323 TALLOC_CTX *tmp_ctx;
1324 const char *attrs[] = { "objectGUID", NULL };
1326 struct ldb_result *res;
1327 struct GUID *ntds_guid;
1329 /* see if we have a cached copy */
1330 ntds_guid = (struct GUID *)ldb_get_opaque(ldb, "cache.ntds_guid");
1335 tmp_ctx = talloc_new(ldb);
1336 if (tmp_ctx == NULL) {
1340 ret = ldb_search(ldb, tmp_ctx, &res, samdb_ntds_settings_dn(ldb), LDB_SCOPE_BASE, attrs, NULL);
1345 if (res->count != 1) {
1349 ntds_guid = talloc(tmp_ctx, struct GUID);
1354 *ntds_guid = samdb_result_guid(res->msgs[0], "objectGUID");
1356 /* cache the domain_sid in the ldb */
1357 if (ldb_set_opaque(ldb, "cache.ntds_guid", ntds_guid) != LDB_SUCCESS) {
1361 talloc_steal(ldb, ntds_guid);
1362 talloc_free(tmp_ctx);
1367 DEBUG(1,("Failed to find our own NTDS Settings objectGUID in the ldb!\n"));
1368 talloc_free(tmp_ctx);
1372 bool samdb_set_ntds_objectGUID(struct ldb_context *ldb, const struct GUID *ntds_guid_in)
1374 TALLOC_CTX *tmp_ctx;
1375 struct GUID *ntds_guid_new;
1376 struct GUID *ntds_guid_old;
1378 /* see if we have a cached copy */
1379 ntds_guid_old = (struct GUID *)ldb_get_opaque(ldb, "cache.ntds_guid");
1381 tmp_ctx = talloc_new(ldb);
1382 if (tmp_ctx == NULL) {
1386 ntds_guid_new = talloc(tmp_ctx, struct GUID);
1387 if (!ntds_guid_new) {
1391 *ntds_guid_new = *ntds_guid_in;
1393 /* cache the domain_sid in the ldb */
1394 if (ldb_set_opaque(ldb, "cache.ntds_guid", ntds_guid_new) != LDB_SUCCESS) {
1398 talloc_steal(ldb, ntds_guid_new);
1399 talloc_free(tmp_ctx);
1400 talloc_free(ntds_guid_old);
1405 DEBUG(1,("Failed to set our own cached invocationId in the ldb!\n"));
1406 talloc_free(tmp_ctx);
1411 work out the server dn for the current open ldb
1413 struct ldb_dn *samdb_server_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
1415 return ldb_dn_get_parent(mem_ctx, samdb_ntds_settings_dn(ldb));
1419 work out the server dn for the current open ldb
1421 struct ldb_dn *samdb_server_site_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
1423 struct ldb_dn *server_dn;
1424 struct ldb_dn *server_site_dn;
1426 server_dn = samdb_server_dn(ldb, mem_ctx);
1427 if (!server_dn) return NULL;
1429 server_site_dn = ldb_dn_get_parent(mem_ctx, server_dn);
1431 talloc_free(server_dn);
1432 return server_site_dn;
1435 const char *samdb_server_site_name(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
1437 const struct ldb_val *val = ldb_dn_get_rdn_val(samdb_server_site_dn(ldb, mem_ctx));
1440 return (const char *) val->data;
1446 work out if we are the PDC for the domain of the current open ldb
1448 bool samdb_is_pdc(struct ldb_context *ldb)
1450 const char *dom_attrs[] = { "fSMORoleOwner", NULL };
1452 struct ldb_result *dom_res;
1453 TALLOC_CTX *tmp_ctx;
1457 tmp_ctx = talloc_new(ldb);
1458 if (tmp_ctx == NULL) {
1459 DEBUG(1, ("talloc_new failed in samdb_is_pdc"));
1463 ret = ldb_search(ldb, tmp_ctx, &dom_res, ldb_get_default_basedn(ldb), LDB_SCOPE_BASE, dom_attrs, NULL);
1465 DEBUG(1,("Searching for fSMORoleOwner in %s failed: %s\n",
1466 ldb_dn_get_linearized(ldb_get_default_basedn(ldb)),
1467 ldb_errstring(ldb)));
1470 if (dom_res->count != 1) {
1474 pdc = ldb_msg_find_attr_as_dn(ldb, tmp_ctx, dom_res->msgs[0], "fSMORoleOwner");
1476 if (ldb_dn_compare(samdb_ntds_settings_dn(ldb), pdc) == 0) {
1482 talloc_free(tmp_ctx);
1487 DEBUG(1,("Failed to find if we are the PDC for this ldb\n"));
1488 talloc_free(tmp_ctx);
1493 work out if we are a Global Catalog server for the domain of the current open ldb
1495 bool samdb_is_gc(struct ldb_context *ldb)
1497 const char *attrs[] = { "options", NULL };
1499 struct ldb_result *res;
1500 TALLOC_CTX *tmp_ctx;
1502 tmp_ctx = talloc_new(ldb);
1503 if (tmp_ctx == NULL) {
1504 DEBUG(1, ("talloc_new failed in samdb_is_pdc"));
1508 /* Query cn=ntds settings,.... */
1509 ret = ldb_search(ldb, tmp_ctx, &res, samdb_ntds_settings_dn(ldb), LDB_SCOPE_BASE, attrs, NULL);
1511 talloc_free(tmp_ctx);
1514 if (res->count != 1) {
1515 talloc_free(tmp_ctx);
1519 options = ldb_msg_find_attr_as_int(res->msgs[0], "options", 0);
1520 talloc_free(tmp_ctx);
1522 /* if options attribute has the 0x00000001 flag set, then enable the global catlog */
1523 if (options & 0x000000001) {
1529 /* Find a domain object in the parents of a particular DN. */
1530 int samdb_search_for_parent_domain(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct ldb_dn *dn,
1531 struct ldb_dn **parent_dn, const char **errstring)
1533 TALLOC_CTX *local_ctx;
1534 struct ldb_dn *sdn = dn;
1535 struct ldb_result *res = NULL;
1537 const char *attrs[] = { NULL };
1539 local_ctx = talloc_new(mem_ctx);
1540 if (local_ctx == NULL) return LDB_ERR_OPERATIONS_ERROR;
1542 while ((sdn = ldb_dn_get_parent(local_ctx, sdn))) {
1543 ret = ldb_search(ldb, local_ctx, &res, sdn, LDB_SCOPE_BASE, attrs,
1544 "(|(objectClass=domain)(objectClass=builtinDomain))");
1545 if (ret == LDB_SUCCESS) {
1546 if (res->count == 1) {
1554 if (ret != LDB_SUCCESS) {
1555 *errstring = talloc_asprintf(mem_ctx, "Error searching for parent domain of %s, failed searching for %s: %s",
1556 ldb_dn_get_linearized(dn),
1557 ldb_dn_get_linearized(sdn),
1558 ldb_errstring(ldb));
1559 talloc_free(local_ctx);
1562 if (res->count != 1) {
1563 *errstring = talloc_asprintf(mem_ctx, "Invalid dn (%s), not child of a domain object",
1564 ldb_dn_get_linearized(dn));
1565 DEBUG(0,(__location__ ": %s\n", *errstring));
1566 talloc_free(local_ctx);
1567 return LDB_ERR_CONSTRAINT_VIOLATION;
1570 *parent_dn = talloc_steal(mem_ctx, res->msgs[0]->dn);
1571 talloc_free(local_ctx);
1577 set the user password using plaintext, obeying any user or domain
1578 password restrictions
1580 note that this function doesn't actually store the result in the
1581 database, it just fills in the "mod" structure with ldb modify
1582 elements to setup the correct change when samdb_replace() is
1583 called. This allows the caller to combine the change with other
1584 changes (as is needed by some of the set user info levels)
1586 The caller should probably have a transaction wrapping this
1588 NTSTATUS samdb_set_password(struct ldb_context *ctx, TALLOC_CTX *mem_ctx,
1589 struct ldb_dn *user_dn,
1590 struct ldb_dn *domain_dn,
1591 struct ldb_message *mod,
1592 const DATA_BLOB *new_password,
1593 struct samr_Password *param_lmNewHash,
1594 struct samr_Password *param_ntNewHash,
1596 enum samPwdChangeReason *reject_reason,
1597 struct samr_DomInfo1 **_dominfo)
1599 const char * const user_attrs[] = { "userAccountControl",
1602 "dBCSPwd", "unicodePwd",
1604 "pwdLastSet", NULL };
1605 const char * const domain_attrs[] = { "minPwdLength", "pwdProperties",
1607 "maxPwdAge", "minPwdAge", NULL };
1609 uint32_t minPwdLength, pwdProperties, pwdHistoryLength;
1610 int64_t maxPwdAge, minPwdAge;
1611 uint32_t userAccountControl;
1612 struct samr_Password *sambaLMPwdHistory, *sambaNTPwdHistory,
1613 *lmPwdHash, *ntPwdHash, *lmNewHash, *ntNewHash;
1614 struct samr_Password local_lmNewHash, local_ntNewHash;
1615 int sambaLMPwdHistory_len, sambaNTPwdHistory_len;
1616 struct dom_sid *domain_sid;
1617 struct ldb_message **res;
1620 time_t now = time(NULL);
1624 /* we need to know the time to compute password age */
1625 unix_to_nt_time(&now_nt, now);
1627 /* pull all the user parameters */
1628 count = gendb_search_dn(ctx, mem_ctx, user_dn, &res, user_attrs);
1630 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1632 userAccountControl = samdb_result_uint(res[0], "userAccountControl", 0);
1633 sambaLMPwdHistory_len = samdb_result_hashes(mem_ctx, res[0],
1634 "lmPwdHistory", &sambaLMPwdHistory);
1635 sambaNTPwdHistory_len = samdb_result_hashes(mem_ctx, res[0],
1636 "ntPwdHistory", &sambaNTPwdHistory);
1637 lmPwdHash = samdb_result_hash(mem_ctx, res[0], "dBCSPwd");
1638 ntPwdHash = samdb_result_hash(mem_ctx, res[0], "unicodePwd");
1639 pwdLastSet = samdb_result_uint64(res[0], "pwdLastSet", 0);
1641 /* Copy parameters */
1642 lmNewHash = param_lmNewHash;
1643 ntNewHash = param_ntNewHash;
1645 /* Only non-trust accounts have restrictions (possibly this
1646 * test is the wrong way around, but I like to be restrictive
1648 restrictions = !(userAccountControl & (UF_INTERDOMAIN_TRUST_ACCOUNT
1649 |UF_WORKSTATION_TRUST_ACCOUNT
1650 |UF_SERVER_TRUST_ACCOUNT));
1652 if (domain_dn != NULL) {
1653 /* pull the domain parameters */
1654 count = gendb_search_dn(ctx, mem_ctx, domain_dn, &res,
1657 DEBUG(2, ("samdb_set_password: Domain DN %s is invalid, for user %s\n",
1658 ldb_dn_get_linearized(domain_dn),
1659 ldb_dn_get_linearized(user_dn)));
1660 return NT_STATUS_NO_SUCH_DOMAIN;
1663 /* work out the domain sid, and pull the domain from there */
1664 domain_sid = samdb_result_sid_prefix(mem_ctx, res[0],
1666 if (domain_sid == NULL) {
1667 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1670 count = gendb_search(ctx, mem_ctx, NULL, &res, domain_attrs,
1672 ldap_encode_ndr_dom_sid(mem_ctx, domain_sid));
1674 DEBUG(2, ("samdb_set_password: Could not find domain to match SID: %s, for user %s\n",
1675 dom_sid_string(mem_ctx, domain_sid),
1676 ldb_dn_get_linearized(user_dn)));
1677 return NT_STATUS_NO_SUCH_DOMAIN;
1681 minPwdLength = samdb_result_uint(res[0], "minPwdLength", 0);
1682 pwdProperties = samdb_result_uint(res[0], "pwdProperties", 0);
1683 pwdHistoryLength = samdb_result_uint(res[0], "pwdHistoryLength", 0);
1684 maxPwdAge = samdb_result_int64(res[0], "maxPwdAge", 0);
1685 minPwdAge = samdb_result_int64(res[0], "minPwdAge", 0);
1687 if ((userAccountControl & UF_PASSWD_NOTREQD) != 0) {
1688 /* see [MS-ADTS] 2.2.15 */
1692 if (_dominfo != NULL) {
1693 struct samr_DomInfo1 *dominfo;
1694 /* on failure we need to fill in the reject reasons */
1695 dominfo = talloc(mem_ctx, struct samr_DomInfo1);
1696 if (dominfo == NULL) {
1697 return NT_STATUS_NO_MEMORY;
1699 dominfo->min_password_length = minPwdLength;
1700 dominfo->password_properties = pwdProperties;
1701 dominfo->password_history_length = pwdHistoryLength;
1702 dominfo->max_password_age = maxPwdAge;
1703 dominfo->min_password_age = minPwdAge;
1704 *_dominfo = dominfo;
1707 if ((restrictions != 0) && (new_password != 0)) {
1710 /* checks if the "minPwdLength" property is satisfied */
1711 if ((restrictions != 0)
1712 && (minPwdLength > utf16_len_n(
1713 new_password->data, new_password->length)/2)) {
1714 if (reject_reason) {
1715 *reject_reason = SAM_PWD_CHANGE_PASSWORD_TOO_SHORT;
1717 return NT_STATUS_PASSWORD_RESTRICTION;
1720 /* Create the NT hash */
1721 mdfour(local_ntNewHash.hash, new_password->data,
1722 new_password->length);
1724 ntNewHash = &local_ntNewHash;
1726 /* Only check complexity if we can convert it at all. Assuming unconvertable passwords are 'strong' */
1727 if (convert_string_talloc_convenience(mem_ctx,
1728 lp_iconv_convenience(ldb_get_opaque(ctx, "loadparm")),
1730 new_password->data, new_password->length,
1731 (void **)&new_pass, NULL, false)) {
1733 /* checks the password complexity */
1734 if ((restrictions != 0)
1736 & DOMAIN_PASSWORD_COMPLEX) != 0)
1737 && (!check_password_quality(new_pass))) {
1738 if (reject_reason) {
1739 *reject_reason = SAM_PWD_CHANGE_NOT_COMPLEX;
1741 return NT_STATUS_PASSWORD_RESTRICTION;
1744 /* compute the new lm hashes (for checking history - case insenitivly!) */
1745 if (E_deshash(new_pass, local_lmNewHash.hash)) {
1746 lmNewHash = &local_lmNewHash;
1751 if ((restrictions != 0) && user_change) {
1752 /* are all password changes disallowed? */
1753 if ((pwdProperties & DOMAIN_REFUSE_PASSWORD_CHANGE) != 0) {
1754 if (reject_reason) {
1755 *reject_reason = SAM_PWD_CHANGE_NO_ERROR;
1757 return NT_STATUS_PASSWORD_RESTRICTION;
1760 /* can this user change the password? */
1761 if ((userAccountControl & UF_PASSWD_CANT_CHANGE) != 0) {
1762 if (reject_reason) {
1763 *reject_reason = SAM_PWD_CHANGE_NO_ERROR;
1765 return NT_STATUS_PASSWORD_RESTRICTION;
1768 /* Password minimum age: yes, this is a minus. The ages are in negative 100nsec units! */
1769 if (pwdLastSet - minPwdAge > now_nt) {
1770 if (reject_reason) {
1771 *reject_reason = SAM_PWD_CHANGE_NO_ERROR;
1773 return NT_STATUS_PASSWORD_RESTRICTION;
1776 /* check the immediately past password */
1777 if (pwdHistoryLength > 0) {
1778 if (lmNewHash && lmPwdHash && memcmp(lmNewHash->hash,
1779 lmPwdHash->hash, 16) == 0) {
1780 if (reject_reason) {
1781 *reject_reason = SAM_PWD_CHANGE_PWD_IN_HISTORY;
1783 return NT_STATUS_PASSWORD_RESTRICTION;
1785 if (ntNewHash && ntPwdHash && memcmp(ntNewHash->hash,
1786 ntPwdHash->hash, 16) == 0) {
1787 if (reject_reason) {
1788 *reject_reason = SAM_PWD_CHANGE_PWD_IN_HISTORY;
1790 return NT_STATUS_PASSWORD_RESTRICTION;
1794 /* check the password history */
1795 sambaLMPwdHistory_len = MIN(sambaLMPwdHistory_len,
1797 sambaNTPwdHistory_len = MIN(sambaNTPwdHistory_len,
1800 for (i=0; lmNewHash && i<sambaLMPwdHistory_len;i++) {
1801 if (memcmp(lmNewHash->hash, sambaLMPwdHistory[i].hash,
1803 if (reject_reason) {
1804 *reject_reason = SAM_PWD_CHANGE_PWD_IN_HISTORY;
1806 return NT_STATUS_PASSWORD_RESTRICTION;
1809 for (i=0; ntNewHash && i<sambaNTPwdHistory_len;i++) {
1810 if (memcmp(ntNewHash->hash, sambaNTPwdHistory[i].hash,
1812 if (reject_reason) {
1813 *reject_reason = SAM_PWD_CHANGE_PWD_IN_HISTORY;
1815 return NT_STATUS_PASSWORD_RESTRICTION;
1820 #define CHECK_RET(x) do { if (x != 0) return NT_STATUS_NO_MEMORY; } while(0)
1822 /* the password is acceptable. Start forming the new fields */
1823 if (new_password != NULL) {
1824 /* if we know the cleartext UTF16 password, then set it.
1825 * Modules in ldb will set all the appropriate
1827 CHECK_RET(ldb_msg_add_value(mod, "clearTextPassword", new_password, NULL));
1829 /* We don't have the cleartext, so delete the old one
1830 * and set what we have of the hashes */
1831 CHECK_RET(samdb_msg_add_delete(ctx, mem_ctx, mod, "clearTextPassword"));
1834 CHECK_RET(samdb_msg_add_hash(ctx, mem_ctx, mod, "dBCSPwd", lmNewHash));
1836 CHECK_RET(samdb_msg_add_delete(ctx, mem_ctx, mod, "dBCSPwd"));
1840 CHECK_RET(samdb_msg_add_hash(ctx, mem_ctx, mod, "unicodePwd", ntNewHash));
1842 CHECK_RET(samdb_msg_add_delete(ctx, mem_ctx, mod, "unicodePwd"));
1846 if (reject_reason) {
1847 *reject_reason = SAM_PWD_CHANGE_NO_ERROR;
1849 return NT_STATUS_OK;
1854 set the user password using plaintext, obeying any user or domain
1855 password restrictions
1857 This wrapper function takes a SID as input, rather than a user DN,
1858 and actually performs the password change
1861 NTSTATUS samdb_set_password_sid(struct ldb_context *ctx, TALLOC_CTX *mem_ctx,
1862 const struct dom_sid *user_sid,
1863 const DATA_BLOB *new_pass,
1864 struct samr_Password *lmNewHash,
1865 struct samr_Password *ntNewHash,
1867 enum samPwdChangeReason *reject_reason,
1868 struct samr_DomInfo1 **_dominfo)
1871 struct ldb_dn *user_dn;
1872 struct ldb_message *msg;
1875 ret = ldb_transaction_start(ctx);
1877 DEBUG(1, ("Failed to start transaction: %s\n", ldb_errstring(ctx)));
1878 return NT_STATUS_TRANSACTION_ABORTED;
1881 user_dn = samdb_search_dn(ctx, mem_ctx, NULL,
1882 "(&(objectSid=%s)(objectClass=user))",
1883 ldap_encode_ndr_dom_sid(mem_ctx, user_sid));
1885 ldb_transaction_cancel(ctx);
1886 DEBUG(3, ("samdb_set_password_sid: SID %s not found in samdb, returning NO_SUCH_USER\n",
1887 dom_sid_string(mem_ctx, user_sid)));
1888 return NT_STATUS_NO_SUCH_USER;
1891 msg = ldb_msg_new(mem_ctx);
1893 ldb_transaction_cancel(ctx);
1894 return NT_STATUS_NO_MEMORY;
1897 msg->dn = ldb_dn_copy(msg, user_dn);
1899 ldb_transaction_cancel(ctx);
1900 return NT_STATUS_NO_MEMORY;
1903 nt_status = samdb_set_password(ctx, mem_ctx,
1906 lmNewHash, ntNewHash,
1907 user_change, /* This is a password set, not change */
1908 reject_reason, _dominfo);
1909 if (!NT_STATUS_IS_OK(nt_status)) {
1910 ldb_transaction_cancel(ctx);
1914 /* modify the samdb record */
1915 ret = samdb_replace(ctx, mem_ctx, msg);
1917 ldb_transaction_cancel(ctx);
1918 return NT_STATUS_ACCESS_DENIED;
1921 ret = ldb_transaction_commit(ctx);
1923 DEBUG(0,("Failed to commit transaction to change password on %s: %s\n",
1924 ldb_dn_get_linearized(msg->dn),
1925 ldb_errstring(ctx)));
1926 return NT_STATUS_TRANSACTION_ABORTED;
1928 return NT_STATUS_OK;
1933 NTSTATUS samdb_create_foreign_security_principal(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx,
1934 struct dom_sid *sid, struct ldb_dn **ret_dn)
1936 struct ldb_message *msg;
1937 struct ldb_dn *basedn;
1941 sidstr = dom_sid_string(mem_ctx, sid);
1942 NT_STATUS_HAVE_NO_MEMORY(sidstr);
1944 /* We might have to create a ForeignSecurityPrincipal, even if this user
1945 * is in our own domain */
1947 msg = ldb_msg_new(mem_ctx);
1949 return NT_STATUS_NO_MEMORY;
1952 /* TODO: Hmmm. This feels wrong. How do I find the base dn to
1953 * put the ForeignSecurityPrincipals? d_state->domain_dn does
1954 * not work, this is wrong for the Builtin domain, there's no
1955 * cn=For...,cn=Builtin,dc={BASEDN}. -- vl
1958 basedn = samdb_search_dn(sam_ctx, mem_ctx, NULL,
1959 "(&(objectClass=container)(cn=ForeignSecurityPrincipals))");
1961 if (basedn == NULL) {
1962 DEBUG(0, ("Failed to find DN for "
1963 "ForeignSecurityPrincipal container\n"));
1964 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1967 /* add core elements to the ldb_message for the alias */
1968 msg->dn = ldb_dn_copy(mem_ctx, basedn);
1969 if ( ! ldb_dn_add_child_fmt(msg->dn, "CN=%s", sidstr))
1970 return NT_STATUS_NO_MEMORY;
1972 samdb_msg_add_string(sam_ctx, mem_ctx, msg,
1974 "foreignSecurityPrincipal");
1976 /* create the alias */
1977 ret = ldb_add(sam_ctx, msg);
1979 DEBUG(0,("Failed to create foreignSecurityPrincipal "
1981 ldb_dn_get_linearized(msg->dn),
1982 ldb_errstring(sam_ctx)));
1983 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1986 return NT_STATUS_OK;
1991 Find the DN of a domain, assuming it to be a dotted.dns name
1994 struct ldb_dn *samdb_dns_domain_to_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, const char *dns_domain)
1997 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
1998 const char *binary_encoded;
1999 const char **split_realm;
2006 split_realm = (const char **)str_list_make(tmp_ctx, dns_domain, ".");
2008 talloc_free(tmp_ctx);
2011 dn = ldb_dn_new(mem_ctx, ldb, NULL);
2012 for (i=0; split_realm[i]; i++) {
2013 binary_encoded = ldb_binary_encode_string(tmp_ctx, split_realm[i]);
2014 if (!ldb_dn_add_base_fmt(dn, "dc=%s", binary_encoded)) {
2015 DEBUG(2, ("Failed to add dc=%s element to DN %s\n",
2016 binary_encoded, ldb_dn_get_linearized(dn)));
2017 talloc_free(tmp_ctx);
2021 if (!ldb_dn_validate(dn)) {
2022 DEBUG(2, ("Failed to validated DN %s\n",
2023 ldb_dn_get_linearized(dn)));
2029 Find the DN of a domain, be it the netbios or DNS name
2032 struct ldb_dn *samdb_domain_to_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx,
2033 const char *domain_name)
2035 const char * const domain_ref_attrs[] = {
2038 const char * const domain_ref2_attrs[] = {
2041 struct ldb_result *res_domain_ref;
2042 char *escaped_domain = ldb_binary_encode_string(mem_ctx, domain_name);
2043 /* find the domain's DN */
2044 int ret_domain = ldb_search(ldb, mem_ctx,
2046 samdb_partitions_dn(ldb, mem_ctx),
2049 "(&(nETBIOSName=%s)(objectclass=crossRef))",
2051 if (ret_domain != 0) {
2055 if (res_domain_ref->count == 0) {
2056 ret_domain = ldb_search(ldb, mem_ctx,
2058 samdb_dns_domain_to_dn(ldb, mem_ctx, domain_name),
2061 "(objectclass=domain)");
2062 if (ret_domain != 0) {
2066 if (res_domain_ref->count == 1) {
2067 return res_domain_ref->msgs[0]->dn;
2072 if (res_domain_ref->count > 1) {
2073 DEBUG(0,("Found %d records matching domain [%s]\n",
2074 ret_domain, domain_name));
2078 return samdb_result_dn(ldb, mem_ctx, res_domain_ref->msgs[0], "nCName", NULL);
2084 use a GUID to find a DN
2086 int dsdb_find_dn_by_guid(struct ldb_context *ldb,
2087 TALLOC_CTX *mem_ctx,
2088 const char *guid_str, struct ldb_dn **dn)
2091 struct ldb_result *res;
2092 const char *attrs[] = { NULL };
2093 struct ldb_request *search_req;
2095 struct ldb_search_options_control *options;
2097 expression = talloc_asprintf(mem_ctx, "objectGUID=%s", guid_str);
2099 DEBUG(0, (__location__ ": out of memory\n"));
2100 return LDB_ERR_OPERATIONS_ERROR;
2103 res = talloc_zero(mem_ctx, struct ldb_result);
2105 DEBUG(0, (__location__ ": out of memory\n"));
2106 return LDB_ERR_OPERATIONS_ERROR;
2109 ret = ldb_build_search_req(&search_req, ldb, mem_ctx,
2110 ldb_get_default_basedn(ldb),
2114 res, ldb_search_default_callback,
2116 if (ret != LDB_SUCCESS) {
2120 /* we need to cope with cross-partition links, so search for
2121 the GUID over all partitions */
2122 options = talloc(search_req, struct ldb_search_options_control);
2123 if (options == NULL) {
2124 DEBUG(0, (__location__ ": out of memory\n"));
2125 return LDB_ERR_OPERATIONS_ERROR;
2127 options->search_options = LDB_SEARCH_OPTION_PHANTOM_ROOT;
2129 ret = ldb_request_add_control(search_req, LDB_CONTROL_EXTENDED_DN_OID, true, NULL);
2130 if (ret != LDB_SUCCESS) {
2134 ret = ldb_request_add_control(search_req,
2135 LDB_CONTROL_SEARCH_OPTIONS_OID,
2137 if (ret != LDB_SUCCESS) {
2141 ret = ldb_request(ldb, search_req);
2142 if (ret != LDB_SUCCESS) {
2146 ret = ldb_wait(search_req->handle, LDB_WAIT_ALL);
2147 if (ret != LDB_SUCCESS) {
2151 /* this really should be exactly 1, but there is a bug in the
2152 partitions module that can return two here with the
2153 search_options control set */
2154 if (res->count < 1) {
2155 return LDB_ERR_NO_SUCH_OBJECT;
2158 *dn = res->msgs[0]->dn;
2164 search for attrs on one DN, allowing for deleted objects
2166 int dsdb_search_dn_with_deleted(struct ldb_context *ldb,
2167 TALLOC_CTX *mem_ctx,
2168 struct ldb_result **_res,
2169 struct ldb_dn *basedn,
2170 const char * const *attrs)
2173 struct ldb_request *req;
2174 TALLOC_CTX *tmp_ctx;
2175 struct ldb_result *res;
2177 tmp_ctx = talloc_new(mem_ctx);
2179 res = talloc_zero(tmp_ctx, struct ldb_result);
2181 return LDB_ERR_OPERATIONS_ERROR;
2184 ret = ldb_build_search_req(&req, ldb, tmp_ctx,
2191 ldb_search_default_callback,
2193 if (ret != LDB_SUCCESS) {
2194 talloc_free(tmp_ctx);
2198 ret = ldb_request_add_control(req, LDB_CONTROL_SHOW_DELETED_OID, true, NULL);
2199 if (ret != LDB_SUCCESS) {
2203 ret = ldb_request(ldb, req);
2204 if (ret == LDB_SUCCESS) {
2205 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
2209 *_res = talloc_steal(mem_ctx, res);
2215 use a DN to find a GUID
2217 int dsdb_find_guid_by_dn(struct ldb_context *ldb,
2218 struct ldb_dn *dn, struct GUID *guid)
2221 struct ldb_result *res;
2222 const char *attrs[] = { "objectGUID", NULL };
2223 TALLOC_CTX *tmp_ctx = talloc_new(ldb);
2225 ret = dsdb_search_dn_with_deleted(ldb, tmp_ctx, &res, dn, attrs);
2226 if (ret != LDB_SUCCESS) {
2227 talloc_free(tmp_ctx);
2230 if (res->count < 1) {
2231 talloc_free(tmp_ctx);
2232 return LDB_ERR_NO_SUCH_OBJECT;
2234 *guid = samdb_result_guid(res->msgs[0], "objectGUID");
2235 talloc_free(tmp_ctx);
2240 use a DN to find a SID
2242 int dsdb_find_sid_by_dn(struct ldb_context *ldb,
2243 struct ldb_dn *dn, struct dom_sid *sid)
2246 struct ldb_result *res;
2247 const char *attrs[] = { "objectSID", NULL };
2248 TALLOC_CTX *tmp_ctx = talloc_new(ldb);
2253 ret = dsdb_search_dn_with_deleted(ldb, tmp_ctx, &res, dn, attrs);
2254 if (ret != LDB_SUCCESS) {
2255 talloc_free(tmp_ctx);
2258 if (res->count < 1) {
2259 talloc_free(tmp_ctx);
2260 return LDB_ERR_NO_SUCH_OBJECT;
2262 s = samdb_result_dom_sid(tmp_ctx, res->msgs[0], "objectSID");
2264 talloc_free(tmp_ctx);
2265 return LDB_ERR_NO_SUCH_OBJECT;
2268 talloc_free(tmp_ctx);
2275 load a repsFromTo blob list for a given partition GUID
2276 attr must be "repsFrom" or "repsTo"
2278 WERROR dsdb_loadreps(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx, struct ldb_dn *dn,
2279 const char *attr, struct repsFromToBlob **r, uint32_t *count)
2281 const char *attrs[] = { attr, NULL };
2282 struct ldb_result *res = NULL;
2283 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
2285 struct ldb_message_element *el;
2290 if (ldb_search(sam_ctx, tmp_ctx, &res, dn, LDB_SCOPE_BASE, attrs, NULL) != LDB_SUCCESS ||
2292 DEBUG(0,("dsdb_loadreps: failed to read partition object\n"));
2293 talloc_free(tmp_ctx);
2294 return WERR_DS_DRA_INTERNAL_ERROR;
2297 el = ldb_msg_find_element(res->msgs[0], attr);
2299 /* it's OK to be empty */
2300 talloc_free(tmp_ctx);
2304 *count = el->num_values;
2305 *r = talloc_array(mem_ctx, struct repsFromToBlob, *count);
2307 talloc_free(tmp_ctx);
2308 return WERR_DS_DRA_INTERNAL_ERROR;
2311 for (i=0; i<(*count); i++) {
2312 enum ndr_err_code ndr_err;
2313 ndr_err = ndr_pull_struct_blob(&el->values[i],
2314 mem_ctx, lp_iconv_convenience(ldb_get_opaque(sam_ctx, "loadparm")),
2316 (ndr_pull_flags_fn_t)ndr_pull_repsFromToBlob);
2317 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
2318 talloc_free(tmp_ctx);
2319 return WERR_DS_DRA_INTERNAL_ERROR;
2323 talloc_free(tmp_ctx);
2329 save the repsFromTo blob list for a given partition GUID
2330 attr must be "repsFrom" or "repsTo"
2332 WERROR dsdb_savereps(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx, struct ldb_dn *dn,
2333 const char *attr, struct repsFromToBlob *r, uint32_t count)
2335 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
2336 struct ldb_message *msg;
2337 struct ldb_message_element *el;
2340 msg = ldb_msg_new(tmp_ctx);
2342 if (ldb_msg_add_empty(msg, attr, LDB_FLAG_MOD_REPLACE, &el) != LDB_SUCCESS) {
2346 el->values = talloc_array(msg, struct ldb_val, count);
2351 for (i=0; i<count; i++) {
2353 enum ndr_err_code ndr_err;
2355 ndr_err = ndr_push_struct_blob(&v, tmp_ctx, lp_iconv_convenience(ldb_get_opaque(sam_ctx, "loadparm")),
2357 (ndr_push_flags_fn_t)ndr_push_repsFromToBlob);
2358 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
2366 if (ldb_modify(sam_ctx, msg) != LDB_SUCCESS) {
2367 DEBUG(0,("Failed to store %s - %s\n", attr, ldb_errstring(sam_ctx)));
2371 talloc_free(tmp_ctx);
2376 talloc_free(tmp_ctx);
2377 return WERR_DS_DRA_INTERNAL_ERROR;
2382 load the uSNHighest attribute from the @REPLCHANGED object for a
2385 int dsdb_load_partition_usn(struct ldb_context *ldb, struct ldb_dn *dn, uint64_t *uSN)
2387 struct ldb_request *req;
2389 TALLOC_CTX *tmp_ctx = talloc_new(ldb);
2390 struct dsdb_control_current_partition *p_ctrl;
2391 struct ldb_result *res;
2393 res = talloc_zero(tmp_ctx, struct ldb_result);
2395 talloc_free(tmp_ctx);
2396 return LDB_ERR_OPERATIONS_ERROR;
2399 ret = ldb_build_search_req(&req, ldb, tmp_ctx,
2400 ldb_dn_new(tmp_ctx, ldb, "@REPLCHANGED"),
2404 res, ldb_search_default_callback,
2406 if (ret != LDB_SUCCESS) {
2407 talloc_free(tmp_ctx);
2411 p_ctrl = talloc(req, struct dsdb_control_current_partition);
2412 if (p_ctrl == NULL) {
2414 return LDB_ERR_OPERATIONS_ERROR;
2416 p_ctrl->version = DSDB_CONTROL_CURRENT_PARTITION_VERSION;
2420 ret = ldb_request_add_control(req,
2421 DSDB_CONTROL_CURRENT_PARTITION_OID,
2423 if (ret != LDB_SUCCESS) {
2424 talloc_free(tmp_ctx);
2428 /* Run the new request */
2429 ret = ldb_request(ldb, req);
2431 if (ret == LDB_SUCCESS) {
2432 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
2435 if (ret == LDB_ERR_NO_SUCH_OBJECT) {
2436 /* it hasn't been created yet, which means
2437 an implicit value of zero */
2439 talloc_free(tmp_ctx);
2443 if (ret != LDB_SUCCESS) {
2444 talloc_free(tmp_ctx);
2448 if (res->count < 1) {
2451 *uSN = ldb_msg_find_attr_as_uint64(res->msgs[0], "uSNHighest", 0);
2454 talloc_free(tmp_ctx);
2460 save the uSNHighest attribute in the @REPLCHANGED object for a
2463 int dsdb_save_partition_usn(struct ldb_context *ldb, struct ldb_dn *dn, uint64_t uSN)
2465 struct ldb_request *req;
2466 struct ldb_message *msg;
2467 struct dsdb_control_current_partition *p_ctrl;
2470 msg = ldb_msg_new(ldb);
2472 return LDB_ERR_OPERATIONS_ERROR;
2475 msg->dn = ldb_dn_new(msg, ldb, "@REPLCHANGED");
2476 if (msg->dn == NULL) {
2478 return LDB_ERR_OPERATIONS_ERROR;
2481 ret = ldb_msg_add_fmt(msg, "uSNHighest", "%llu", (unsigned long long)uSN);
2482 if (ret != LDB_SUCCESS) {
2486 msg->elements[0].flags = LDB_FLAG_MOD_REPLACE;
2489 p_ctrl = talloc(msg, struct dsdb_control_current_partition);
2490 if (p_ctrl == NULL) {
2492 return LDB_ERR_OPERATIONS_ERROR;
2494 p_ctrl->version = DSDB_CONTROL_CURRENT_PARTITION_VERSION;
2497 ret = ldb_build_mod_req(&req, ldb, msg,
2500 NULL, ldb_op_default_callback,
2503 if (ret != LDB_SUCCESS) {
2508 ret = ldb_request_add_control(req,
2509 DSDB_CONTROL_CURRENT_PARTITION_OID,
2511 if (ret != LDB_SUCCESS) {
2516 /* Run the new request */
2517 ret = ldb_request(ldb, req);
2519 if (ret == LDB_SUCCESS) {
2520 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
2522 if (ret == LDB_ERR_NO_SUCH_OBJECT) {
2523 ret = ldb_build_add_req(&req, ldb, msg,
2526 NULL, ldb_op_default_callback,
2536 int drsuapi_DsReplicaCursor2_compare(const struct drsuapi_DsReplicaCursor2 *c1,
2537 const struct drsuapi_DsReplicaCursor2 *c2)
2539 return GUID_compare(&c1->source_dsa_invocation_id, &c2->source_dsa_invocation_id);
2543 see if we are a RODC
2545 TODO: This should take a sam_ctx, and lookup the right object (with
2548 bool samdb_rodc(struct loadparm_context *lp_ctx)
2550 return lp_parm_bool(lp_ctx, NULL, "repl", "RODC", false);
2555 return NTDS options flags. See MS-ADTS 7.1.1.2.2.1.2.1.1
2557 flags are DS_NTDS_OPTION_*
2559 int samdb_ntds_options(struct ldb_context *ldb, uint32_t *options)
2561 TALLOC_CTX *tmp_ctx;
2562 const char *attrs[] = { "options", NULL };
2564 struct ldb_result *res;
2566 tmp_ctx = talloc_new(ldb);
2567 if (tmp_ctx == NULL) {
2571 ret = ldb_search(ldb, tmp_ctx, &res, samdb_ntds_settings_dn(ldb), LDB_SCOPE_BASE, attrs, NULL);
2576 if (res->count != 1) {
2580 *options = samdb_result_uint(res->msgs[0], "options", 0);
2582 talloc_free(tmp_ctx);
2587 DEBUG(1,("Failed to find our own NTDS Settings objectGUID in the ldb!\n"));
2588 talloc_free(tmp_ctx);
2589 return LDB_ERR_NO_SUCH_OBJECT;