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"
42 #include "dsdb/common/util.h"
45 search the sam for the specified attributes in a specific domain, filter on
46 objectSid being in domain_sid.
48 int samdb_search_domain(struct ldb_context *sam_ldb,
50 struct ldb_dn *basedn,
51 struct ldb_message ***res,
52 const char * const *attrs,
53 const struct dom_sid *domain_sid,
54 const char *format, ...) _PRINTF_ATTRIBUTE(7,8)
60 count = gendb_search_v(sam_ldb, mem_ctx, basedn,
61 res, attrs, format, ap);
67 struct dom_sid *entry_sid;
69 entry_sid = samdb_result_dom_sid(mem_ctx, (*res)[i], "objectSid");
71 if ((entry_sid == NULL) ||
72 (!dom_sid_in_domain(domain_sid, entry_sid))) {
73 /* Delete that entry from the result set */
74 (*res)[i] = (*res)[count-1];
76 talloc_free(entry_sid);
79 talloc_free(entry_sid);
87 search the sam for a single string attribute in exactly 1 record
89 const char *samdb_search_string_v(struct ldb_context *sam_ldb,
91 struct ldb_dn *basedn,
92 const char *attr_name,
93 const char *format, va_list ap) _PRINTF_ATTRIBUTE(5,0)
96 const char *attrs[2] = { NULL, NULL };
97 struct ldb_message **res = NULL;
101 count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, attrs, format, ap);
103 DEBUG(1,("samdb: search for %s %s not single valued (count=%d)\n",
104 attr_name, format, count));
111 return samdb_result_string(res[0], attr_name, NULL);
115 search the sam for a single string attribute in exactly 1 record
117 const char *samdb_search_string(struct ldb_context *sam_ldb,
119 struct ldb_dn *basedn,
120 const char *attr_name,
121 const char *format, ...) _PRINTF_ATTRIBUTE(5,6)
126 va_start(ap, format);
127 str = samdb_search_string_v(sam_ldb, mem_ctx, basedn, attr_name, format, ap);
133 struct ldb_dn *samdb_search_dn(struct ldb_context *sam_ldb,
135 struct ldb_dn *basedn,
136 const char *format, ...) _PRINTF_ATTRIBUTE(4,5)
140 struct ldb_message **res = NULL;
143 va_start(ap, format);
144 count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, NULL, format, ap);
147 if (count != 1) return NULL;
149 ret = talloc_steal(mem_ctx, res[0]->dn);
156 search the sam for a dom_sid attribute in exactly 1 record
158 struct dom_sid *samdb_search_dom_sid(struct ldb_context *sam_ldb,
160 struct ldb_dn *basedn,
161 const char *attr_name,
162 const char *format, ...) _PRINTF_ATTRIBUTE(5,6)
166 struct ldb_message **res;
167 const char *attrs[2] = { NULL, NULL };
170 attrs[0] = attr_name;
172 va_start(ap, format);
173 count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, attrs, format, ap);
176 DEBUG(1,("samdb: search for %s %s not single valued (count=%d)\n",
177 attr_name, format, count));
183 sid = samdb_result_dom_sid(mem_ctx, res[0], attr_name);
189 return the count of the number of records in the sam matching the query
191 int samdb_search_count(struct ldb_context *sam_ldb,
192 struct ldb_dn *basedn,
193 const char *format, ...) _PRINTF_ATTRIBUTE(3,4)
196 struct ldb_message **res;
197 const char *attrs[] = { NULL };
199 TALLOC_CTX *tmp_ctx = talloc_new(sam_ldb);
201 va_start(ap, format);
202 ret = gendb_search_v(sam_ldb, tmp_ctx, basedn, &res, attrs, format, ap);
204 talloc_free(tmp_ctx);
211 search the sam for a single integer attribute in exactly 1 record
213 unsigned int samdb_search_uint(struct ldb_context *sam_ldb,
215 unsigned int default_value,
216 struct ldb_dn *basedn,
217 const char *attr_name,
218 const char *format, ...) _PRINTF_ATTRIBUTE(6,7)
222 struct ldb_message **res;
223 const char *attrs[2] = { NULL, NULL };
225 attrs[0] = attr_name;
227 va_start(ap, format);
228 count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, attrs, format, ap);
232 return default_value;
235 return samdb_result_uint(res[0], attr_name, default_value);
239 search the sam for a single signed 64 bit integer attribute in exactly 1 record
241 int64_t samdb_search_int64(struct ldb_context *sam_ldb,
243 int64_t default_value,
244 struct ldb_dn *basedn,
245 const char *attr_name,
246 const char *format, ...) _PRINTF_ATTRIBUTE(6,7)
250 struct ldb_message **res;
251 const char *attrs[2] = { NULL, NULL };
253 attrs[0] = attr_name;
255 va_start(ap, format);
256 count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, attrs, format, ap);
260 return default_value;
263 return samdb_result_int64(res[0], attr_name, default_value);
267 search the sam for multipe records each giving a single string attribute
268 return the number of matches, or -1 on error
270 int samdb_search_string_multiple(struct ldb_context *sam_ldb,
272 struct ldb_dn *basedn,
274 const char *attr_name,
275 const char *format, ...) _PRINTF_ATTRIBUTE(6,7)
279 const char *attrs[2] = { NULL, NULL };
280 struct ldb_message **res = NULL;
282 attrs[0] = attr_name;
284 va_start(ap, format);
285 count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, attrs, format, ap);
292 /* make sure its single valued */
293 for (i=0;i<count;i++) {
294 if (res[i]->num_elements != 1) {
295 DEBUG(1,("samdb: search for %s %s not single valued\n",
302 *strs = talloc_array(mem_ctx, const char *, count+1);
308 for (i=0;i<count;i++) {
309 (*strs)[i] = samdb_result_string(res[i], attr_name, NULL);
311 (*strs)[count] = NULL;
317 pull a uint from a result set.
319 unsigned int samdb_result_uint(const struct ldb_message *msg, const char *attr, unsigned int default_value)
321 return ldb_msg_find_attr_as_uint(msg, attr, default_value);
325 pull a (signed) int64 from a result set.
327 int64_t samdb_result_int64(const struct ldb_message *msg, const char *attr, int64_t default_value)
329 return ldb_msg_find_attr_as_int64(msg, attr, default_value);
333 pull a string from a result set.
335 const char *samdb_result_string(const struct ldb_message *msg, const char *attr,
336 const char *default_value)
338 return ldb_msg_find_attr_as_string(msg, attr, default_value);
341 struct ldb_dn *samdb_result_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
342 const char *attr, struct ldb_dn *default_value)
344 struct ldb_dn *ret_dn = ldb_msg_find_attr_as_dn(ldb, mem_ctx, msg, attr);
346 return default_value;
352 pull a rid from a objectSid in a result set.
354 uint32_t samdb_result_rid_from_sid(TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
355 const char *attr, uint32_t default_value)
360 sid = samdb_result_dom_sid(mem_ctx, msg, attr);
362 return default_value;
364 rid = sid->sub_auths[sid->num_auths-1];
370 pull a dom_sid structure from a objectSid in a result set.
372 struct dom_sid *samdb_result_dom_sid(TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
375 const struct ldb_val *v;
377 enum ndr_err_code ndr_err;
378 v = ldb_msg_find_ldb_val(msg, attr);
382 sid = talloc(mem_ctx, struct dom_sid);
386 ndr_err = ndr_pull_struct_blob(v, sid, NULL, sid,
387 (ndr_pull_flags_fn_t)ndr_pull_dom_sid);
388 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
396 pull a guid structure from a objectGUID in a result set.
398 struct GUID samdb_result_guid(const struct ldb_message *msg, const char *attr)
400 const struct ldb_val *v;
404 v = ldb_msg_find_ldb_val(msg, attr);
405 if (!v) return GUID_zero();
407 status = GUID_from_ndr_blob(v, &guid);
408 if (!NT_STATUS_IS_OK(status)) {
416 pull a sid prefix from a objectSid in a result set.
417 this is used to find the domain sid for a user
419 struct dom_sid *samdb_result_sid_prefix(TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
422 struct dom_sid *sid = samdb_result_dom_sid(mem_ctx, msg, attr);
423 if (!sid || sid->num_auths < 1) return NULL;
429 pull a NTTIME in a result set.
431 NTTIME samdb_result_nttime(const struct ldb_message *msg, const char *attr,
432 NTTIME default_value)
434 return ldb_msg_find_attr_as_uint64(msg, attr, default_value);
438 * Windows stores 0 for lastLogoff.
439 * But when a MS DC return the lastLogoff (as Logoff Time)
440 * it returns 0x7FFFFFFFFFFFFFFF, not returning this value in this case
441 * cause windows 2008 and newer version to fail for SMB requests
443 NTTIME samdb_result_last_logoff(const struct ldb_message *msg)
445 NTTIME ret = ldb_msg_find_attr_as_uint64(msg, "lastLogoff",0);
448 ret = 0x7FFFFFFFFFFFFFFFULL;
454 * Windows uses both 0 and 9223372036854775807 (0x7FFFFFFFFFFFFFFFULL) to
455 * indicate an account doesn't expire.
457 * When Windows initially creates an account, it sets
458 * accountExpires = 9223372036854775807 (0x7FFFFFFFFFFFFFFF). However,
459 * when changing from an account having a specific expiration date to
460 * that account never expiring, it sets accountExpires = 0.
462 * Consolidate that logic here to allow clearer logic for account expiry in
463 * the rest of the code.
465 NTTIME samdb_result_account_expires(const struct ldb_message *msg)
467 NTTIME ret = ldb_msg_find_attr_as_uint64(msg, "accountExpires",
471 ret = 0x7FFFFFFFFFFFFFFFULL;
477 pull a uint64_t from a result set.
479 uint64_t samdb_result_uint64(const struct ldb_message *msg, const char *attr,
480 uint64_t default_value)
482 return ldb_msg_find_attr_as_uint64(msg, attr, default_value);
487 construct the allow_password_change field from the PwdLastSet attribute and the
488 domain password settings
490 NTTIME samdb_result_allow_password_change(struct ldb_context *sam_ldb,
492 struct ldb_dn *domain_dn,
493 struct ldb_message *msg,
496 uint64_t attr_time = samdb_result_uint64(msg, attr, 0);
499 if (attr_time == 0) {
503 minPwdAge = samdb_search_int64(sam_ldb, mem_ctx, 0, domain_dn, "minPwdAge", NULL);
505 /* yes, this is a -= not a += as minPwdAge is stored as the negative
506 of the number of 100-nano-seconds */
507 attr_time -= minPwdAge;
513 construct the force_password_change field from the PwdLastSet
514 attribute, the userAccountControl and the domain password settings
516 NTTIME samdb_result_force_password_change(struct ldb_context *sam_ldb,
518 struct ldb_dn *domain_dn,
519 struct ldb_message *msg)
521 uint64_t attr_time = samdb_result_uint64(msg, "pwdLastSet", 0);
522 uint32_t userAccountControl = samdb_result_uint64(msg, "userAccountControl", 0);
525 /* Machine accounts don't expire, and there is a flag for 'no expiry' */
526 if (!(userAccountControl & UF_NORMAL_ACCOUNT)
527 || (userAccountControl & UF_DONT_EXPIRE_PASSWD)) {
528 return 0x7FFFFFFFFFFFFFFFULL;
531 if (attr_time == 0) {
535 maxPwdAge = samdb_search_int64(sam_ldb, mem_ctx, 0, domain_dn, "maxPwdAge", NULL);
536 if (maxPwdAge == 0) {
537 return 0x7FFFFFFFFFFFFFFFULL;
539 attr_time -= maxPwdAge;
546 pull a samr_Password structutre from a result set.
548 struct samr_Password *samdb_result_hash(TALLOC_CTX *mem_ctx, const struct ldb_message *msg, const char *attr)
550 struct samr_Password *hash = NULL;
551 const struct ldb_val *val = ldb_msg_find_ldb_val(msg, attr);
552 if (val && (val->length >= sizeof(hash->hash))) {
553 hash = talloc(mem_ctx, struct samr_Password);
554 memcpy(hash->hash, val->data, MIN(val->length, sizeof(hash->hash)));
560 pull an array of samr_Password structures from a result set.
562 unsigned int samdb_result_hashes(TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
563 const char *attr, struct samr_Password **hashes)
565 unsigned int count, i;
566 const struct ldb_val *val = ldb_msg_find_ldb_val(msg, attr);
572 count = val->length / 16;
577 *hashes = talloc_array(mem_ctx, struct samr_Password, count);
582 for (i=0;i<count;i++) {
583 memcpy((*hashes)[i].hash, (i*16)+(char *)val->data, 16);
589 NTSTATUS samdb_result_passwords(TALLOC_CTX *mem_ctx, struct loadparm_context *lp_ctx, struct ldb_message *msg,
590 struct samr_Password **lm_pwd, struct samr_Password **nt_pwd)
592 struct samr_Password *lmPwdHash, *ntPwdHash;
595 num_nt = samdb_result_hashes(mem_ctx, msg, "unicodePwd", &ntPwdHash);
598 } else if (num_nt > 1) {
599 return NT_STATUS_INTERNAL_DB_CORRUPTION;
601 *nt_pwd = &ntPwdHash[0];
605 /* Ensure that if we have turned off LM
606 * authentication, that we never use the LM hash, even
608 if (lp_lanman_auth(lp_ctx)) {
610 num_lm = samdb_result_hashes(mem_ctx, msg, "dBCSPwd", &lmPwdHash);
613 } else if (num_lm > 1) {
614 return NT_STATUS_INTERNAL_DB_CORRUPTION;
616 *lm_pwd = &lmPwdHash[0];
626 pull a samr_LogonHours structutre from a result set.
628 struct samr_LogonHours samdb_result_logon_hours(TALLOC_CTX *mem_ctx, struct ldb_message *msg, const char *attr)
630 struct samr_LogonHours hours;
631 const int units_per_week = 168;
632 const struct ldb_val *val = ldb_msg_find_ldb_val(msg, attr);
634 hours.bits = talloc_array(mem_ctx, uint8_t, units_per_week);
638 hours.units_per_week = units_per_week;
639 memset(hours.bits, 0xFF, units_per_week);
641 memcpy(hours.bits, val->data, MIN(val->length, units_per_week));
647 pull a set of account_flags from a result set.
649 This requires that the attributes:
654 uint32_t samdb_result_acct_flags(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx,
655 struct ldb_message *msg, struct ldb_dn *domain_dn)
657 uint32_t userAccountControl = ldb_msg_find_attr_as_uint(msg, "userAccountControl", 0);
658 uint32_t acct_flags = ds_uf2acb(userAccountControl);
659 NTTIME must_change_time;
662 must_change_time = samdb_result_force_password_change(sam_ctx, mem_ctx,
665 /* Test account expire time */
666 unix_to_nt_time(&now, time(NULL));
667 /* check for expired password */
668 if (must_change_time < now) {
669 acct_flags |= ACB_PW_EXPIRED;
674 struct lsa_BinaryString samdb_result_parameters(TALLOC_CTX *mem_ctx,
675 struct ldb_message *msg,
678 struct lsa_BinaryString s;
679 const struct ldb_val *val = ldb_msg_find_ldb_val(msg, attr);
687 s.array = talloc_array(mem_ctx, uint16_t, val->length/2);
691 s.length = s.size = val->length;
692 memcpy(s.array, val->data, val->length);
697 /* Find an attribute, with a particular value */
699 /* The current callers of this function expect a very specific
700 * behaviour: In particular, objectClass subclass equivilance is not
701 * wanted. This means that we should not lookup the schema for the
702 * comparison function */
703 struct ldb_message_element *samdb_find_attribute(struct ldb_context *ldb,
704 const struct ldb_message *msg,
705 const char *name, const char *value)
708 struct ldb_message_element *el = ldb_msg_find_element(msg, name);
714 for (i=0;i<el->num_values;i++) {
715 if (ldb_attr_cmp(value, (char *)el->values[i].data) == 0) {
723 int samdb_find_or_add_value(struct ldb_context *ldb, struct ldb_message *msg, const char *name, const char *set_value)
725 if (samdb_find_attribute(ldb, msg, name, set_value) == NULL) {
726 return samdb_msg_add_string(ldb, msg, msg, name, set_value);
731 int samdb_find_or_add_attribute(struct ldb_context *ldb, struct ldb_message *msg, const char *name, const char *set_value)
733 struct ldb_message_element *el;
735 el = ldb_msg_find_element(msg, name);
740 return samdb_msg_add_string(ldb, msg, msg, name, set_value);
746 add a string element to a message
748 int samdb_msg_add_string(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
749 const char *attr_name, const char *str)
751 char *s = talloc_strdup(mem_ctx, str);
752 char *a = talloc_strdup(mem_ctx, attr_name);
753 if (s == NULL || a == NULL) {
754 return LDB_ERR_OPERATIONS_ERROR;
756 return ldb_msg_add_string(msg, a, s);
760 add a dom_sid element to a message
762 int samdb_msg_add_dom_sid(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
763 const char *attr_name, struct dom_sid *sid)
766 enum ndr_err_code ndr_err;
768 ndr_err = ndr_push_struct_blob(&v, mem_ctx,
769 lp_iconv_convenience(ldb_get_opaque(sam_ldb, "loadparm")),
771 (ndr_push_flags_fn_t)ndr_push_dom_sid);
772 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
773 return LDB_ERR_OPERATIONS_ERROR;
775 return ldb_msg_add_value(msg, attr_name, &v, NULL);
780 add a delete element operation to a message
782 int samdb_msg_add_delete(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
783 const char *attr_name)
785 /* we use an empty replace rather than a delete, as it allows for
786 dsdb_replace() to be used everywhere */
787 return ldb_msg_add_empty(msg, attr_name, LDB_FLAG_MOD_REPLACE, NULL);
791 add a add attribute value to a message
793 int samdb_msg_add_addval(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
794 const char *attr_name, const char *value)
796 struct ldb_message_element *el;
799 a = talloc_strdup(mem_ctx, attr_name);
801 return LDB_ERR_OPERATIONS_ERROR;
802 v = talloc_strdup(mem_ctx, value);
804 return LDB_ERR_OPERATIONS_ERROR;
805 ret = ldb_msg_add_string(msg, a, v);
808 el = ldb_msg_find_element(msg, a);
810 return LDB_ERR_OPERATIONS_ERROR;
811 el->flags = LDB_FLAG_MOD_ADD;
816 add a delete attribute value to a message
818 int samdb_msg_add_delval(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
819 const char *attr_name, const char *value)
821 struct ldb_message_element *el;
824 a = talloc_strdup(mem_ctx, attr_name);
826 return LDB_ERR_OPERATIONS_ERROR;
827 v = talloc_strdup(mem_ctx, value);
829 return LDB_ERR_OPERATIONS_ERROR;
830 ret = ldb_msg_add_string(msg, a, v);
833 el = ldb_msg_find_element(msg, a);
835 return LDB_ERR_OPERATIONS_ERROR;
836 el->flags = LDB_FLAG_MOD_DELETE;
841 add a int element to a message
843 int samdb_msg_add_int(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
844 const char *attr_name, int v)
846 const char *s = talloc_asprintf(mem_ctx, "%d", v);
847 return samdb_msg_add_string(sam_ldb, mem_ctx, msg, attr_name, s);
851 add a unsigned int element to a message
853 int samdb_msg_add_uint(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
854 const char *attr_name, unsigned int v)
856 return samdb_msg_add_int(sam_ldb, mem_ctx, msg, attr_name, (int)v);
860 add a (signed) int64_t element to a message
862 int samdb_msg_add_int64(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
863 const char *attr_name, int64_t v)
865 const char *s = talloc_asprintf(mem_ctx, "%lld", (long long)v);
866 return samdb_msg_add_string(sam_ldb, mem_ctx, msg, attr_name, s);
870 add a uint64_t element to a message
872 int samdb_msg_add_uint64(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
873 const char *attr_name, uint64_t v)
875 return samdb_msg_add_int64(sam_ldb, mem_ctx, msg, attr_name, (int64_t)v);
879 add a samr_Password element to a message
881 int samdb_msg_add_hash(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
882 const char *attr_name, struct samr_Password *hash)
885 val.data = talloc_memdup(mem_ctx, hash->hash, 16);
887 return LDB_ERR_OPERATIONS_ERROR;
890 return ldb_msg_add_value(msg, attr_name, &val, NULL);
894 add a samr_Password array to a message
896 int samdb_msg_add_hashes(TALLOC_CTX *mem_ctx, struct ldb_message *msg,
897 const char *attr_name, struct samr_Password *hashes,
902 val.data = talloc_array_size(mem_ctx, 16, count);
903 val.length = count*16;
905 return LDB_ERR_OPERATIONS_ERROR;
907 for (i=0;i<count;i++) {
908 memcpy(i*16 + (char *)val.data, hashes[i].hash, 16);
910 return ldb_msg_add_value(msg, attr_name, &val, NULL);
914 add a acct_flags element to a message
916 int samdb_msg_add_acct_flags(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
917 const char *attr_name, uint32_t v)
919 return samdb_msg_add_uint(sam_ldb, mem_ctx, msg, attr_name, ds_acb2uf(v));
923 add a logon_hours element to a message
925 int samdb_msg_add_logon_hours(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
926 const char *attr_name, struct samr_LogonHours *hours)
929 val.length = hours->units_per_week / 8;
930 val.data = hours->bits;
931 return ldb_msg_add_value(msg, attr_name, &val, NULL);
935 add a parameters element to a message
937 int samdb_msg_add_parameters(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
938 const char *attr_name, struct lsa_BinaryString *parameters)
941 val.length = parameters->length;
942 val.data = (uint8_t *)parameters->array;
943 return ldb_msg_add_value(msg, attr_name, &val, NULL);
946 add a general value element to a message
948 int samdb_msg_add_value(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
949 const char *attr_name, const struct ldb_val *val)
951 return ldb_msg_add_value(msg, attr_name, val, NULL);
955 sets a general value element to a message
957 int samdb_msg_set_value(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
958 const char *attr_name, const struct ldb_val *val)
960 struct ldb_message_element *el;
962 el = ldb_msg_find_element(msg, attr_name);
966 return ldb_msg_add_value(msg, attr_name, val, NULL);
970 set a string element in a message
972 int samdb_msg_set_string(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
973 const char *attr_name, const char *str)
975 struct ldb_message_element *el;
977 el = ldb_msg_find_element(msg, attr_name);
981 return samdb_msg_add_string(sam_ldb, mem_ctx, msg, attr_name, str);
985 * Handle ldb_request in transaction
987 static int dsdb_autotransaction_request(struct ldb_context *sam_ldb,
988 struct ldb_request *req)
992 ret = ldb_transaction_start(sam_ldb);
993 if (ret != LDB_SUCCESS) {
997 ret = ldb_request(sam_ldb, req);
998 if (ret == LDB_SUCCESS) {
999 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
1002 if (ret == LDB_SUCCESS) {
1003 return ldb_transaction_commit(sam_ldb);
1005 ldb_transaction_cancel(sam_ldb);
1011 return a default security descriptor
1013 struct security_descriptor *samdb_default_security_descriptor(TALLOC_CTX *mem_ctx)
1015 struct security_descriptor *sd;
1017 sd = security_descriptor_initialise(mem_ctx);
1022 struct ldb_dn *samdb_aggregate_schema_dn(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx)
1024 struct ldb_dn *schema_dn = ldb_get_schema_basedn(sam_ctx);
1025 struct ldb_dn *aggregate_dn;
1030 aggregate_dn = ldb_dn_copy(mem_ctx, schema_dn);
1031 if (!aggregate_dn) {
1034 if (!ldb_dn_add_child_fmt(aggregate_dn, "CN=Aggregate")) {
1037 return aggregate_dn;
1040 struct ldb_dn *samdb_partitions_dn(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx)
1042 struct ldb_dn *new_dn;
1044 new_dn = ldb_dn_copy(mem_ctx, ldb_get_config_basedn(sam_ctx));
1045 if ( ! ldb_dn_add_child_fmt(new_dn, "CN=Partitions")) {
1046 talloc_free(new_dn);
1052 struct ldb_dn *samdb_infrastructure_dn(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx)
1054 struct ldb_dn *new_dn;
1056 new_dn = ldb_dn_copy(mem_ctx, ldb_get_default_basedn(sam_ctx));
1057 if ( ! ldb_dn_add_child_fmt(new_dn, "CN=Infrastructure")) {
1058 talloc_free(new_dn);
1064 struct ldb_dn *samdb_sites_dn(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx)
1066 struct ldb_dn *new_dn;
1068 new_dn = ldb_dn_copy(mem_ctx, ldb_get_config_basedn(sam_ctx));
1069 if ( ! ldb_dn_add_child_fmt(new_dn, "CN=Sites")) {
1070 talloc_free(new_dn);
1077 work out the domain sid for the current open ldb
1079 const struct dom_sid *samdb_domain_sid(struct ldb_context *ldb)
1081 TALLOC_CTX *tmp_ctx;
1082 const struct dom_sid *domain_sid;
1083 const char *attrs[] = {
1087 struct ldb_result *res;
1090 /* see if we have a cached copy */
1091 domain_sid = (struct dom_sid *)ldb_get_opaque(ldb, "cache.domain_sid");
1096 tmp_ctx = talloc_new(ldb);
1097 if (tmp_ctx == NULL) {
1101 ret = ldb_search(ldb, tmp_ctx, &res, ldb_get_default_basedn(ldb), LDB_SCOPE_BASE, attrs, "objectSid=*");
1103 if (ret != LDB_SUCCESS) {
1107 if (res->count != 1) {
1111 domain_sid = samdb_result_dom_sid(tmp_ctx, res->msgs[0], "objectSid");
1112 if (domain_sid == NULL) {
1116 /* cache the domain_sid in the ldb */
1117 if (ldb_set_opaque(ldb, "cache.domain_sid", discard_const_p(struct dom_sid, domain_sid)) != LDB_SUCCESS) {
1121 talloc_steal(ldb, domain_sid);
1122 talloc_free(tmp_ctx);
1127 talloc_free(tmp_ctx);
1132 get domain sid from cache
1134 const struct dom_sid *samdb_domain_sid_cache_only(struct ldb_context *ldb)
1136 return (struct dom_sid *)ldb_get_opaque(ldb, "cache.domain_sid");
1139 bool samdb_set_domain_sid(struct ldb_context *ldb, const struct dom_sid *dom_sid_in)
1141 TALLOC_CTX *tmp_ctx;
1142 struct dom_sid *dom_sid_new;
1143 struct dom_sid *dom_sid_old;
1145 /* see if we have a cached copy */
1146 dom_sid_old = talloc_get_type(ldb_get_opaque(ldb,
1147 "cache.domain_sid"), struct dom_sid);
1149 tmp_ctx = talloc_new(ldb);
1150 if (tmp_ctx == NULL) {
1154 dom_sid_new = dom_sid_dup(tmp_ctx, dom_sid_in);
1159 /* cache the domain_sid in the ldb */
1160 if (ldb_set_opaque(ldb, "cache.domain_sid", dom_sid_new) != LDB_SUCCESS) {
1164 talloc_steal(ldb, dom_sid_new);
1165 talloc_free(tmp_ctx);
1166 talloc_free(dom_sid_old);
1171 DEBUG(1,("Failed to set our own cached domain SID in the ldb!\n"));
1172 talloc_free(tmp_ctx);
1176 bool samdb_set_ntds_settings_dn(struct ldb_context *ldb, struct ldb_dn *ntds_settings_dn_in)
1178 TALLOC_CTX *tmp_ctx;
1179 struct ldb_dn *ntds_settings_dn_new;
1180 struct ldb_dn *ntds_settings_dn_old;
1182 /* see if we have a cached copy */
1183 ntds_settings_dn_old = talloc_get_type(ldb_get_opaque(ldb,
1184 "cache.ntds_settings_dn"), struct ldb_dn);
1186 tmp_ctx = talloc_new(ldb);
1187 if (tmp_ctx == NULL) {
1191 ntds_settings_dn_new = ldb_dn_copy(tmp_ctx, ntds_settings_dn_in);
1192 if (!ntds_settings_dn_new) {
1196 /* cache the domain_sid in the ldb */
1197 if (ldb_set_opaque(ldb, "cache.ntds_settings_dn", ntds_settings_dn_new) != LDB_SUCCESS) {
1201 talloc_steal(ldb, ntds_settings_dn_new);
1202 talloc_free(tmp_ctx);
1203 talloc_free(ntds_settings_dn_old);
1208 DEBUG(1,("Failed to set our NTDS Settings DN in the ldb!\n"));
1209 talloc_free(tmp_ctx);
1213 /* Obtain the short name of the flexible single master operator
1214 * (FSMO), such as the PDC Emulator */
1215 const char *samdb_result_fsmo_name(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
1218 /* Format is cn=NTDS Settings,cn=<NETBIOS name of FSMO>,.... */
1219 struct ldb_dn *fsmo_dn = ldb_msg_find_attr_as_dn(ldb, mem_ctx, msg, attr);
1220 const struct ldb_val *val = ldb_dn_get_component_val(fsmo_dn, 1);
1221 const char *name = ldb_dn_get_component_name(fsmo_dn, 1);
1223 if (!name || (ldb_attr_cmp(name, "cn") != 0)) {
1224 /* Ensure this matches the format. This gives us a
1225 * bit more confidence that a 'cn' value will be a
1230 return (char *)val->data;
1236 work out the ntds settings dn for the current open ldb
1238 struct ldb_dn *samdb_ntds_settings_dn(struct ldb_context *ldb)
1240 TALLOC_CTX *tmp_ctx;
1241 const char *root_attrs[] = { "dsServiceName", NULL };
1243 struct ldb_result *root_res;
1244 struct ldb_dn *settings_dn;
1246 /* see if we have a cached copy */
1247 settings_dn = (struct ldb_dn *)ldb_get_opaque(ldb, "cache.ntds_settings_dn");
1252 tmp_ctx = talloc_new(ldb);
1253 if (tmp_ctx == NULL) {
1257 ret = ldb_search(ldb, tmp_ctx, &root_res, ldb_dn_new(tmp_ctx, ldb, ""), LDB_SCOPE_BASE, root_attrs, NULL);
1259 DEBUG(1,("Searching for dsServiceName in rootDSE failed: %s\n",
1260 ldb_errstring(ldb)));
1264 if (root_res->count != 1) {
1268 settings_dn = ldb_msg_find_attr_as_dn(ldb, tmp_ctx, root_res->msgs[0], "dsServiceName");
1270 /* cache the domain_sid in the ldb */
1271 if (ldb_set_opaque(ldb, "cache.settings_dn", settings_dn) != LDB_SUCCESS) {
1275 talloc_steal(ldb, settings_dn);
1276 talloc_free(tmp_ctx);
1281 DEBUG(1,("Failed to find our own NTDS Settings DN in the ldb!\n"));
1282 talloc_free(tmp_ctx);
1287 work out the ntds settings invocationId for the current open ldb
1289 const struct GUID *samdb_ntds_invocation_id(struct ldb_context *ldb)
1291 TALLOC_CTX *tmp_ctx;
1292 const char *attrs[] = { "invocationId", NULL };
1294 struct ldb_result *res;
1295 struct GUID *invocation_id;
1297 /* see if we have a cached copy */
1298 invocation_id = (struct GUID *)ldb_get_opaque(ldb, "cache.invocation_id");
1299 if (invocation_id) {
1300 return invocation_id;
1303 tmp_ctx = talloc_new(ldb);
1304 if (tmp_ctx == NULL) {
1308 ret = ldb_search(ldb, tmp_ctx, &res, samdb_ntds_settings_dn(ldb), LDB_SCOPE_BASE, attrs, NULL);
1313 if (res->count != 1) {
1317 invocation_id = talloc(tmp_ctx, struct GUID);
1318 if (!invocation_id) {
1322 *invocation_id = samdb_result_guid(res->msgs[0], "invocationId");
1324 /* cache the domain_sid in the ldb */
1325 if (ldb_set_opaque(ldb, "cache.invocation_id", invocation_id) != LDB_SUCCESS) {
1329 talloc_steal(ldb, invocation_id);
1330 talloc_free(tmp_ctx);
1332 return invocation_id;
1335 DEBUG(1,("Failed to find our own NTDS Settings invocationId in the ldb!\n"));
1336 talloc_free(tmp_ctx);
1340 bool samdb_set_ntds_invocation_id(struct ldb_context *ldb, const struct GUID *invocation_id_in)
1342 TALLOC_CTX *tmp_ctx;
1343 struct GUID *invocation_id_new;
1344 struct GUID *invocation_id_old;
1346 /* see if we have a cached copy */
1347 invocation_id_old = (struct GUID *)ldb_get_opaque(ldb,
1348 "cache.invocation_id");
1350 tmp_ctx = talloc_new(ldb);
1351 if (tmp_ctx == NULL) {
1355 invocation_id_new = talloc(tmp_ctx, struct GUID);
1356 if (!invocation_id_new) {
1360 *invocation_id_new = *invocation_id_in;
1362 /* cache the domain_sid in the ldb */
1363 if (ldb_set_opaque(ldb, "cache.invocation_id", invocation_id_new) != LDB_SUCCESS) {
1367 talloc_steal(ldb, invocation_id_new);
1368 talloc_free(tmp_ctx);
1369 talloc_free(invocation_id_old);
1374 DEBUG(1,("Failed to set our own cached invocationId in the ldb!\n"));
1375 talloc_free(tmp_ctx);
1380 work out the ntds settings objectGUID for the current open ldb
1382 const struct GUID *samdb_ntds_objectGUID(struct ldb_context *ldb)
1384 TALLOC_CTX *tmp_ctx;
1385 const char *attrs[] = { "objectGUID", NULL };
1387 struct ldb_result *res;
1388 struct GUID *ntds_guid;
1390 /* see if we have a cached copy */
1391 ntds_guid = (struct GUID *)ldb_get_opaque(ldb, "cache.ntds_guid");
1396 tmp_ctx = talloc_new(ldb);
1397 if (tmp_ctx == NULL) {
1401 ret = ldb_search(ldb, tmp_ctx, &res, samdb_ntds_settings_dn(ldb), LDB_SCOPE_BASE, attrs, NULL);
1406 if (res->count != 1) {
1410 ntds_guid = talloc(tmp_ctx, struct GUID);
1415 *ntds_guid = samdb_result_guid(res->msgs[0], "objectGUID");
1417 /* cache the domain_sid in the ldb */
1418 if (ldb_set_opaque(ldb, "cache.ntds_guid", ntds_guid) != LDB_SUCCESS) {
1422 talloc_steal(ldb, ntds_guid);
1423 talloc_free(tmp_ctx);
1428 DEBUG(1,("Failed to find our own NTDS Settings objectGUID in the ldb!\n"));
1429 talloc_free(tmp_ctx);
1433 bool samdb_set_ntds_objectGUID(struct ldb_context *ldb, const struct GUID *ntds_guid_in)
1435 TALLOC_CTX *tmp_ctx;
1436 struct GUID *ntds_guid_new;
1437 struct GUID *ntds_guid_old;
1439 /* see if we have a cached copy */
1440 ntds_guid_old = (struct GUID *)ldb_get_opaque(ldb, "cache.ntds_guid");
1442 tmp_ctx = talloc_new(ldb);
1443 if (tmp_ctx == NULL) {
1447 ntds_guid_new = talloc(tmp_ctx, struct GUID);
1448 if (!ntds_guid_new) {
1452 *ntds_guid_new = *ntds_guid_in;
1454 /* cache the domain_sid in the ldb */
1455 if (ldb_set_opaque(ldb, "cache.ntds_guid", ntds_guid_new) != LDB_SUCCESS) {
1459 talloc_steal(ldb, ntds_guid_new);
1460 talloc_free(tmp_ctx);
1461 talloc_free(ntds_guid_old);
1466 DEBUG(1,("Failed to set our own cached invocationId in the ldb!\n"));
1467 talloc_free(tmp_ctx);
1472 work out the server dn for the current open ldb
1474 struct ldb_dn *samdb_server_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
1476 return ldb_dn_get_parent(mem_ctx, samdb_ntds_settings_dn(ldb));
1480 work out the server dn for the current open ldb
1482 struct ldb_dn *samdb_server_site_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
1484 struct ldb_dn *server_dn;
1485 struct ldb_dn *servers_dn;
1486 struct ldb_dn *server_site_dn;
1488 /* TODO: there must be a saner way to do this!! */
1489 server_dn = samdb_server_dn(ldb, mem_ctx);
1490 if (!server_dn) return NULL;
1492 servers_dn = ldb_dn_get_parent(mem_ctx, server_dn);
1493 talloc_free(server_dn);
1494 if (!servers_dn) return NULL;
1496 server_site_dn = ldb_dn_get_parent(mem_ctx, servers_dn);
1497 talloc_free(servers_dn);
1499 return server_site_dn;
1503 find a 'reference' DN that points at another object
1504 (eg. serverReference, rIDManagerReference etc)
1506 int samdb_reference_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct ldb_dn *base,
1507 const char *attribute, struct ldb_dn **dn)
1509 const char *attrs[2];
1510 struct ldb_result *res;
1513 attrs[0] = attribute;
1516 ret = ldb_search(ldb, mem_ctx, &res, base, LDB_SCOPE_BASE, attrs, NULL);
1517 if (ret != LDB_SUCCESS) {
1520 if (res->count != 1) {
1522 return LDB_ERR_NO_SUCH_OBJECT;
1525 *dn = ldb_msg_find_attr_as_dn(ldb, mem_ctx, res->msgs[0], attribute);
1528 return LDB_ERR_NO_SUCH_ATTRIBUTE;
1536 find our machine account via the serverReference attribute in the
1539 int samdb_server_reference_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct ldb_dn **dn)
1541 struct ldb_dn *server_dn;
1544 server_dn = samdb_server_dn(ldb, mem_ctx);
1545 if (server_dn == NULL) {
1546 return LDB_ERR_NO_SUCH_OBJECT;
1549 ret = samdb_reference_dn(ldb, mem_ctx, server_dn, "serverReference", dn);
1550 talloc_free(server_dn);
1556 find the RID Manager$ DN via the rIDManagerReference attribute in the
1559 int samdb_rid_manager_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct ldb_dn **dn)
1561 return samdb_reference_dn(ldb, mem_ctx, ldb_get_default_basedn(ldb),
1562 "rIDManagerReference", dn);
1566 find the RID Set DN via the rIDSetReferences attribute in our
1569 int samdb_rid_set_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct ldb_dn **dn)
1571 struct ldb_dn *server_ref_dn;
1574 ret = samdb_server_reference_dn(ldb, mem_ctx, &server_ref_dn);
1575 if (ret != LDB_SUCCESS) {
1578 ret = samdb_reference_dn(ldb, mem_ctx, server_ref_dn, "rIDSetReferences", dn);
1579 talloc_free(server_ref_dn);
1583 const char *samdb_server_site_name(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
1585 const struct ldb_val *val = ldb_dn_get_rdn_val(samdb_server_site_dn(ldb,
1592 return (const char *) val->data;
1596 work out if we are the PDC for the domain of the current open ldb
1598 bool samdb_is_pdc(struct ldb_context *ldb)
1600 const char *dom_attrs[] = { "fSMORoleOwner", NULL };
1602 struct ldb_result *dom_res;
1603 TALLOC_CTX *tmp_ctx;
1607 tmp_ctx = talloc_new(ldb);
1608 if (tmp_ctx == NULL) {
1609 DEBUG(1, ("talloc_new failed in samdb_is_pdc"));
1613 ret = ldb_search(ldb, tmp_ctx, &dom_res, ldb_get_default_basedn(ldb), LDB_SCOPE_BASE, dom_attrs, NULL);
1615 DEBUG(1,("Searching for fSMORoleOwner in %s failed: %s\n",
1616 ldb_dn_get_linearized(ldb_get_default_basedn(ldb)),
1617 ldb_errstring(ldb)));
1620 if (dom_res->count != 1) {
1624 pdc = ldb_msg_find_attr_as_dn(ldb, tmp_ctx, dom_res->msgs[0], "fSMORoleOwner");
1626 if (ldb_dn_compare(samdb_ntds_settings_dn(ldb), pdc) == 0) {
1632 talloc_free(tmp_ctx);
1637 DEBUG(1,("Failed to find if we are the PDC for this ldb\n"));
1638 talloc_free(tmp_ctx);
1643 work out if we are a Global Catalog server for the domain of the current open ldb
1645 bool samdb_is_gc(struct ldb_context *ldb)
1647 const char *attrs[] = { "options", NULL };
1649 struct ldb_result *res;
1650 TALLOC_CTX *tmp_ctx;
1652 tmp_ctx = talloc_new(ldb);
1653 if (tmp_ctx == NULL) {
1654 DEBUG(1, ("talloc_new failed in samdb_is_pdc"));
1658 /* Query cn=ntds settings,.... */
1659 ret = ldb_search(ldb, tmp_ctx, &res, samdb_ntds_settings_dn(ldb), LDB_SCOPE_BASE, attrs, NULL);
1661 talloc_free(tmp_ctx);
1664 if (res->count != 1) {
1665 talloc_free(tmp_ctx);
1669 options = ldb_msg_find_attr_as_int(res->msgs[0], "options", 0);
1670 talloc_free(tmp_ctx);
1672 /* if options attribute has the 0x00000001 flag set, then enable the global catlog */
1673 if (options & 0x000000001) {
1679 /* Find a domain object in the parents of a particular DN. */
1680 int samdb_search_for_parent_domain(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct ldb_dn *dn,
1681 struct ldb_dn **parent_dn, const char **errstring)
1683 TALLOC_CTX *local_ctx;
1684 struct ldb_dn *sdn = dn;
1685 struct ldb_result *res = NULL;
1687 const char *attrs[] = { NULL };
1689 local_ctx = talloc_new(mem_ctx);
1690 if (local_ctx == NULL) return LDB_ERR_OPERATIONS_ERROR;
1692 while ((sdn = ldb_dn_get_parent(local_ctx, sdn))) {
1693 ret = ldb_search(ldb, local_ctx, &res, sdn, LDB_SCOPE_BASE, attrs,
1694 "(|(objectClass=domain)(objectClass=builtinDomain))");
1695 if (ret == LDB_SUCCESS) {
1696 if (res->count == 1) {
1704 if (ret != LDB_SUCCESS) {
1705 *errstring = talloc_asprintf(mem_ctx, "Error searching for parent domain of %s, failed searching for %s: %s",
1706 ldb_dn_get_linearized(dn),
1707 ldb_dn_get_linearized(sdn),
1708 ldb_errstring(ldb));
1709 talloc_free(local_ctx);
1712 if (res->count != 1) {
1713 *errstring = talloc_asprintf(mem_ctx, "Invalid dn (%s), not child of a domain object",
1714 ldb_dn_get_linearized(dn));
1715 DEBUG(0,(__location__ ": %s\n", *errstring));
1716 talloc_free(local_ctx);
1717 return LDB_ERR_CONSTRAINT_VIOLATION;
1720 *parent_dn = talloc_steal(mem_ctx, res->msgs[0]->dn);
1721 talloc_free(local_ctx);
1727 * Performs checks on a user password (plaintext UNIX format - attribute
1728 * "password"). The remaining parameters have to be extracted from the domain
1731 * Result codes from "enum samr_ValidationStatus" (consider "samr.idl")
1733 enum samr_ValidationStatus samdb_check_password(const DATA_BLOB *password,
1734 const uint32_t pwdProperties,
1735 const uint32_t minPwdLength)
1737 /* checks if the "minPwdLength" property is satisfied */
1738 if (minPwdLength > password->length)
1739 return SAMR_VALIDATION_STATUS_PWD_TOO_SHORT;
1741 /* checks the password complexity */
1742 if (((pwdProperties & DOMAIN_PASSWORD_COMPLEX) != 0)
1743 && (password->data != NULL)
1744 && (!check_password_quality((const char *) password->data)))
1745 return SAMR_VALIDATION_STATUS_NOT_COMPLEX_ENOUGH;
1747 return SAMR_VALIDATION_STATUS_SUCCESS;
1751 * Sets the user password using plaintext UTF16 (attribute "new_password") or
1752 * LM (attribute "lmNewHash") or NT (attribute "ntNewHash") hash. Also pass
1753 * as parameter if it's a user change or not ("userChange"). The "rejectReason"
1754 * gives some more informations if the changed failed.
1756 * The caller should have a LDB transaction wrapping this.
1758 * Results: NT_STATUS_OK, NT_STATUS_INTERNAL_DB_CORRUPTION,
1759 * NT_STATUS_INVALID_PARAMETER, NT_STATUS_UNSUCCESSFUL,
1760 * NT_STATUS_PASSWORD_RESTRICTION
1762 NTSTATUS samdb_set_password(struct ldb_context *ctx, TALLOC_CTX *mem_ctx,
1763 struct ldb_dn *user_dn, struct ldb_dn *domain_dn,
1764 struct ldb_message *mod,
1765 const DATA_BLOB *new_password,
1766 struct samr_Password *param_lmNewHash,
1767 struct samr_Password *param_ntNewHash,
1769 enum samPwdChangeReason *reject_reason,
1770 struct samr_DomInfo1 **_dominfo)
1772 const char * const user_attrs[] = { "userAccountControl",
1775 "dBCSPwd", "unicodePwd",
1777 "pwdLastSet", NULL };
1778 const char * const domain_attrs[] = { "minPwdLength", "pwdProperties",
1780 "maxPwdAge", "minPwdAge", NULL };
1782 uint32_t minPwdLength, pwdProperties, pwdHistoryLength;
1783 int64_t maxPwdAge, minPwdAge;
1784 uint32_t userAccountControl;
1785 struct samr_Password *sambaLMPwdHistory, *sambaNTPwdHistory,
1786 *lmPwdHash, *ntPwdHash, *lmNewHash, *ntNewHash;
1787 struct samr_Password local_lmNewHash, local_ntNewHash;
1788 int sambaLMPwdHistory_len, sambaNTPwdHistory_len;
1789 struct dom_sid *domain_sid;
1790 struct ldb_message **res;
1793 time_t now = time(NULL);
1797 /* we need to know the time to compute password age */
1798 unix_to_nt_time(&now_nt, now);
1800 /* pull all the user parameters */
1801 count = gendb_search_dn(ctx, mem_ctx, user_dn, &res, user_attrs);
1803 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1805 userAccountControl = samdb_result_uint(res[0], "userAccountControl", 0);
1806 sambaLMPwdHistory_len = samdb_result_hashes(mem_ctx, res[0],
1807 "lmPwdHistory", &sambaLMPwdHistory);
1808 sambaNTPwdHistory_len = samdb_result_hashes(mem_ctx, res[0],
1809 "ntPwdHistory", &sambaNTPwdHistory);
1810 lmPwdHash = samdb_result_hash(mem_ctx, res[0], "dBCSPwd");
1811 ntPwdHash = samdb_result_hash(mem_ctx, res[0], "unicodePwd");
1812 pwdLastSet = samdb_result_uint64(res[0], "pwdLastSet", 0);
1814 /* Copy parameters */
1815 lmNewHash = param_lmNewHash;
1816 ntNewHash = param_ntNewHash;
1818 /* Only non-trust accounts have restrictions (possibly this
1819 * test is the wrong way around, but I like to be restrictive
1821 restrictions = !(userAccountControl & (UF_INTERDOMAIN_TRUST_ACCOUNT
1822 |UF_WORKSTATION_TRUST_ACCOUNT
1823 |UF_SERVER_TRUST_ACCOUNT));
1825 if (domain_dn != NULL) {
1826 /* pull the domain parameters */
1827 count = gendb_search_dn(ctx, mem_ctx, domain_dn, &res,
1830 DEBUG(2, ("samdb_set_password: Domain DN %s is invalid, for user %s\n",
1831 ldb_dn_get_linearized(domain_dn),
1832 ldb_dn_get_linearized(user_dn)));
1833 return NT_STATUS_NO_SUCH_DOMAIN;
1836 /* work out the domain sid, and pull the domain from there */
1837 domain_sid = samdb_result_sid_prefix(mem_ctx, res[0],
1839 if (domain_sid == NULL) {
1840 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1843 count = gendb_search(ctx, mem_ctx, NULL, &res, domain_attrs,
1845 ldap_encode_ndr_dom_sid(mem_ctx, domain_sid));
1847 DEBUG(2, ("samdb_set_password: Could not find domain to match SID: %s, for user %s\n",
1848 dom_sid_string(mem_ctx, domain_sid),
1849 ldb_dn_get_linearized(user_dn)));
1850 return NT_STATUS_NO_SUCH_DOMAIN;
1854 minPwdLength = samdb_result_uint(res[0], "minPwdLength", 0);
1855 pwdProperties = samdb_result_uint(res[0], "pwdProperties", 0);
1856 pwdHistoryLength = samdb_result_uint(res[0], "pwdHistoryLength", 0);
1857 maxPwdAge = samdb_result_int64(res[0], "maxPwdAge", 0);
1858 minPwdAge = samdb_result_int64(res[0], "minPwdAge", 0);
1860 if ((userAccountControl & UF_PASSWD_NOTREQD) != 0) {
1861 /* see [MS-ADTS] 2.2.15 */
1865 if (_dominfo != NULL) {
1866 struct samr_DomInfo1 *dominfo;
1867 /* on failure we need to fill in the reject reasons */
1868 dominfo = talloc(mem_ctx, struct samr_DomInfo1);
1869 if (dominfo == NULL) {
1870 return NT_STATUS_NO_MEMORY;
1872 dominfo->min_password_length = minPwdLength;
1873 dominfo->password_properties = pwdProperties;
1874 dominfo->password_history_length = pwdHistoryLength;
1875 dominfo->max_password_age = maxPwdAge;
1876 dominfo->min_password_age = minPwdAge;
1877 *_dominfo = dominfo;
1880 if ((restrictions != 0) && (new_password != 0)) {
1883 /* checks if the "minPwdLength" property is satisfied */
1884 if ((restrictions != 0)
1885 && (minPwdLength > utf16_len_n(
1886 new_password->data, new_password->length)/2)) {
1887 if (reject_reason) {
1888 *reject_reason = SAM_PWD_CHANGE_PASSWORD_TOO_SHORT;
1890 return NT_STATUS_PASSWORD_RESTRICTION;
1893 /* Create the NT hash */
1894 mdfour(local_ntNewHash.hash, new_password->data,
1895 new_password->length);
1897 ntNewHash = &local_ntNewHash;
1899 /* Only check complexity if we can convert it at all. Assuming unconvertable passwords are 'strong' */
1900 if (convert_string_talloc_convenience(mem_ctx,
1901 lp_iconv_convenience(ldb_get_opaque(ctx, "loadparm")),
1903 new_password->data, new_password->length,
1904 (void **)&new_pass, NULL, false)) {
1906 /* checks the password complexity */
1907 if ((restrictions != 0)
1909 & DOMAIN_PASSWORD_COMPLEX) != 0)
1910 && (!check_password_quality(new_pass))) {
1911 if (reject_reason) {
1912 *reject_reason = SAM_PWD_CHANGE_NOT_COMPLEX;
1914 return NT_STATUS_PASSWORD_RESTRICTION;
1917 /* compute the new lm hashes (for checking history - case insenitivly!) */
1918 if (E_deshash(new_pass, local_lmNewHash.hash)) {
1919 lmNewHash = &local_lmNewHash;
1924 if ((restrictions != 0) && user_change) {
1925 /* are all password changes disallowed? */
1926 if ((pwdProperties & DOMAIN_REFUSE_PASSWORD_CHANGE) != 0) {
1927 if (reject_reason) {
1928 *reject_reason = SAM_PWD_CHANGE_NO_ERROR;
1930 return NT_STATUS_PASSWORD_RESTRICTION;
1933 /* can this user change the password? */
1934 if ((userAccountControl & UF_PASSWD_CANT_CHANGE) != 0) {
1935 if (reject_reason) {
1936 *reject_reason = SAM_PWD_CHANGE_NO_ERROR;
1938 return NT_STATUS_PASSWORD_RESTRICTION;
1941 /* Password minimum age: yes, this is a minus. The ages are in negative 100nsec units! */
1942 if (pwdLastSet - minPwdAge > now_nt) {
1943 if (reject_reason) {
1944 *reject_reason = SAM_PWD_CHANGE_NO_ERROR;
1946 return NT_STATUS_PASSWORD_RESTRICTION;
1949 /* check the immediately past password */
1950 if (pwdHistoryLength > 0) {
1951 if (lmNewHash && lmPwdHash && memcmp(lmNewHash->hash,
1952 lmPwdHash->hash, 16) == 0) {
1953 if (reject_reason) {
1954 *reject_reason = SAM_PWD_CHANGE_PWD_IN_HISTORY;
1956 return NT_STATUS_PASSWORD_RESTRICTION;
1958 if (ntNewHash && ntPwdHash && memcmp(ntNewHash->hash,
1959 ntPwdHash->hash, 16) == 0) {
1960 if (reject_reason) {
1961 *reject_reason = SAM_PWD_CHANGE_PWD_IN_HISTORY;
1963 return NT_STATUS_PASSWORD_RESTRICTION;
1967 /* check the password history */
1968 sambaLMPwdHistory_len = MIN(sambaLMPwdHistory_len,
1970 sambaNTPwdHistory_len = MIN(sambaNTPwdHistory_len,
1973 for (i=0; lmNewHash && i<sambaLMPwdHistory_len;i++) {
1974 if (memcmp(lmNewHash->hash, sambaLMPwdHistory[i].hash,
1976 if (reject_reason) {
1977 *reject_reason = SAM_PWD_CHANGE_PWD_IN_HISTORY;
1979 return NT_STATUS_PASSWORD_RESTRICTION;
1982 for (i=0; ntNewHash && i<sambaNTPwdHistory_len;i++) {
1983 if (memcmp(ntNewHash->hash, sambaNTPwdHistory[i].hash,
1985 if (reject_reason) {
1986 *reject_reason = SAM_PWD_CHANGE_PWD_IN_HISTORY;
1988 return NT_STATUS_PASSWORD_RESTRICTION;
1993 #define CHECK_RET(x) do { if (x != 0) return NT_STATUS_NO_MEMORY; } while(0)
1995 /* the password is acceptable. Start forming the new fields */
1996 if (new_password != NULL) {
1997 /* if we know the cleartext UTF16 password, then set it.
1998 * Modules in ldb will set all the appropriate
2000 CHECK_RET(ldb_msg_add_value(mod, "clearTextPassword", new_password, NULL));
2002 /* we don't have the cleartext, so set what we have of the
2006 CHECK_RET(samdb_msg_add_hash(ctx, mem_ctx, mod, "dBCSPwd", lmNewHash));
2010 CHECK_RET(samdb_msg_add_hash(ctx, mem_ctx, mod, "unicodePwd", ntNewHash));
2014 if (reject_reason) {
2015 *reject_reason = SAM_PWD_CHANGE_NO_ERROR;
2017 return NT_STATUS_OK;
2022 * Sets the user password using plaintext UTF16 (attribute "new_password") or
2023 * LM (attribute "lmNewHash") or NT (attribute "ntNewHash") hash. Also pass
2024 * as parameter if it's a user change or not ("userChange"). The "rejectReason"
2025 * gives some more informations if the changed failed.
2027 * This wrapper function for "samdb_set_password" takes a SID as input rather
2030 * This call encapsulates a new LDB transaction for changing the password;
2031 * therefore the user hasn't to start a new one.
2033 * Results: NT_STATUS_OK, NT_STATUS_INTERNAL_DB_CORRUPTION,
2034 * NT_STATUS_INVALID_PARAMETER, NT_STATUS_UNSUCCESSFUL,
2035 * NT_STATUS_PASSWORD_RESTRICTION
2037 NTSTATUS samdb_set_password_sid(struct ldb_context *ldb, TALLOC_CTX *mem_ctx,
2038 const struct dom_sid *user_sid,
2039 const DATA_BLOB *new_password,
2040 struct samr_Password *lmNewHash,
2041 struct samr_Password *ntNewHash,
2043 enum samPwdChangeReason *reject_reason,
2044 struct samr_DomInfo1 **_dominfo)
2047 struct ldb_dn *user_dn;
2048 struct ldb_message *msg;
2051 ret = ldb_transaction_start(ldb);
2052 if (ret != LDB_SUCCESS) {
2053 DEBUG(1, ("Failed to start transaction: %s\n", ldb_errstring(ldb)));
2054 return NT_STATUS_TRANSACTION_ABORTED;
2057 user_dn = samdb_search_dn(ldb, mem_ctx, NULL,
2058 "(&(objectSid=%s)(objectClass=user))",
2059 ldap_encode_ndr_dom_sid(mem_ctx, user_sid));
2061 ldb_transaction_cancel(ldb);
2062 DEBUG(3, ("samdb_set_password_sid: SID %s not found in samdb, returning NO_SUCH_USER\n",
2063 dom_sid_string(mem_ctx, user_sid)));
2064 return NT_STATUS_NO_SUCH_USER;
2067 msg = ldb_msg_new(mem_ctx);
2069 ldb_transaction_cancel(ldb);
2070 talloc_free(user_dn);
2071 return NT_STATUS_NO_MEMORY;
2074 msg->dn = ldb_dn_copy(msg, user_dn);
2076 ldb_transaction_cancel(ldb);
2077 talloc_free(user_dn);
2079 return NT_STATUS_NO_MEMORY;
2082 nt_status = samdb_set_password(ldb, mem_ctx,
2085 lmNewHash, ntNewHash,
2087 reject_reason, _dominfo);
2088 if (!NT_STATUS_IS_OK(nt_status)) {
2089 ldb_transaction_cancel(ldb);
2090 talloc_free(user_dn);
2095 /* modify the samdb record */
2096 ret = dsdb_replace(ldb, msg, 0);
2097 if (ret != LDB_SUCCESS) {
2098 ldb_transaction_cancel(ldb);
2099 talloc_free(user_dn);
2101 return NT_STATUS_ACCESS_DENIED;
2106 ret = ldb_transaction_commit(ldb);
2107 if (ret != LDB_SUCCESS) {
2108 DEBUG(0,("Failed to commit transaction to change password on %s: %s\n",
2109 ldb_dn_get_linearized(user_dn),
2110 ldb_errstring(ldb)));
2111 talloc_free(user_dn);
2112 return NT_STATUS_TRANSACTION_ABORTED;
2115 talloc_free(user_dn);
2116 return NT_STATUS_OK;
2120 NTSTATUS samdb_create_foreign_security_principal(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx,
2121 struct dom_sid *sid, struct ldb_dn **ret_dn)
2123 struct ldb_message *msg;
2124 struct ldb_dn *basedn;
2128 sidstr = dom_sid_string(mem_ctx, sid);
2129 NT_STATUS_HAVE_NO_MEMORY(sidstr);
2131 /* We might have to create a ForeignSecurityPrincipal, even if this user
2132 * is in our own domain */
2134 msg = ldb_msg_new(sidstr);
2136 talloc_free(sidstr);
2137 return NT_STATUS_NO_MEMORY;
2140 ret = dsdb_wellknown_dn(sam_ctx, sidstr,
2141 ldb_get_default_basedn(sam_ctx),
2142 DS_GUID_FOREIGNSECURITYPRINCIPALS_CONTAINER,
2144 if (ret != LDB_SUCCESS) {
2145 DEBUG(0, ("Failed to find DN for "
2146 "ForeignSecurityPrincipal container - %s\n", ldb_errstring(sam_ctx)));
2147 talloc_free(sidstr);
2148 return NT_STATUS_INTERNAL_DB_CORRUPTION;
2151 /* add core elements to the ldb_message for the alias */
2153 if ( ! ldb_dn_add_child_fmt(msg->dn, "CN=%s", sidstr)) {
2154 talloc_free(sidstr);
2155 return NT_STATUS_NO_MEMORY;
2158 samdb_msg_add_string(sam_ctx, msg, msg,
2160 "foreignSecurityPrincipal");
2162 /* create the alias */
2163 ret = ldb_add(sam_ctx, msg);
2164 if (ret != LDB_SUCCESS) {
2165 DEBUG(0,("Failed to create foreignSecurityPrincipal "
2167 ldb_dn_get_linearized(msg->dn),
2168 ldb_errstring(sam_ctx)));
2169 talloc_free(sidstr);
2170 return NT_STATUS_INTERNAL_DB_CORRUPTION;
2173 *ret_dn = talloc_steal(mem_ctx, msg->dn);
2174 talloc_free(sidstr);
2176 return NT_STATUS_OK;
2181 Find the DN of a domain, assuming it to be a dotted.dns name
2184 struct ldb_dn *samdb_dns_domain_to_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, const char *dns_domain)
2187 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
2188 const char *binary_encoded;
2189 const char **split_realm;
2196 split_realm = (const char **)str_list_make(tmp_ctx, dns_domain, ".");
2198 talloc_free(tmp_ctx);
2201 dn = ldb_dn_new(mem_ctx, ldb, NULL);
2202 for (i=0; split_realm[i]; i++) {
2203 binary_encoded = ldb_binary_encode_string(tmp_ctx, split_realm[i]);
2204 if (!ldb_dn_add_base_fmt(dn, "dc=%s", binary_encoded)) {
2205 DEBUG(2, ("Failed to add dc=%s element to DN %s\n",
2206 binary_encoded, ldb_dn_get_linearized(dn)));
2207 talloc_free(tmp_ctx);
2211 if (!ldb_dn_validate(dn)) {
2212 DEBUG(2, ("Failed to validated DN %s\n",
2213 ldb_dn_get_linearized(dn)));
2214 talloc_free(tmp_ctx);
2217 talloc_free(tmp_ctx);
2222 Find the DN of a domain, be it the netbios or DNS name
2224 struct ldb_dn *samdb_domain_to_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx,
2225 const char *domain_name)
2227 const char * const domain_ref_attrs[] = {
2230 const char * const domain_ref2_attrs[] = {
2233 struct ldb_result *res_domain_ref;
2234 char *escaped_domain = ldb_binary_encode_string(mem_ctx, domain_name);
2235 /* find the domain's DN */
2236 int ret_domain = ldb_search(ldb, mem_ctx,
2238 samdb_partitions_dn(ldb, mem_ctx),
2241 "(&(nETBIOSName=%s)(objectclass=crossRef))",
2243 if (ret_domain != 0) {
2247 if (res_domain_ref->count == 0) {
2248 ret_domain = ldb_search(ldb, mem_ctx,
2250 samdb_dns_domain_to_dn(ldb, mem_ctx, domain_name),
2253 "(objectclass=domain)");
2254 if (ret_domain != 0) {
2258 if (res_domain_ref->count == 1) {
2259 return res_domain_ref->msgs[0]->dn;
2264 if (res_domain_ref->count > 1) {
2265 DEBUG(0,("Found %d records matching domain [%s]\n",
2266 ret_domain, domain_name));
2270 return samdb_result_dn(ldb, mem_ctx, res_domain_ref->msgs[0], "nCName", NULL);
2276 use a GUID to find a DN
2278 int dsdb_find_dn_by_guid(struct ldb_context *ldb,
2279 TALLOC_CTX *mem_ctx,
2280 const struct GUID *guid, struct ldb_dn **dn)
2283 struct ldb_result *res;
2284 const char *attrs[] = { NULL };
2285 char *guid_str = GUID_string(mem_ctx, guid);
2288 return LDB_ERR_OPERATIONS_ERROR;
2291 ret = dsdb_search(ldb, mem_ctx, &res, NULL, LDB_SCOPE_SUBTREE, attrs,
2292 DSDB_SEARCH_SEARCH_ALL_PARTITIONS |
2293 DSDB_SEARCH_SHOW_EXTENDED_DN |
2294 DSDB_SEARCH_ONE_ONLY,
2295 "objectGUID=%s", guid_str);
2296 talloc_free(guid_str);
2297 if (ret != LDB_SUCCESS) {
2301 *dn = talloc_steal(mem_ctx, res->msgs[0]->dn);
2308 use a DN to find a GUID with a given attribute name
2310 int dsdb_find_guid_attr_by_dn(struct ldb_context *ldb,
2311 struct ldb_dn *dn, const char *attribute,
2315 struct ldb_result *res;
2316 const char *attrs[2];
2317 TALLOC_CTX *tmp_ctx = talloc_new(ldb);
2319 attrs[0] = attribute;
2322 ret = dsdb_search_dn(ldb, tmp_ctx, &res, dn, attrs, DSDB_SEARCH_SHOW_DELETED);
2323 if (ret != LDB_SUCCESS) {
2324 talloc_free(tmp_ctx);
2327 if (res->count < 1) {
2328 talloc_free(tmp_ctx);
2329 return LDB_ERR_NO_SUCH_OBJECT;
2331 *guid = samdb_result_guid(res->msgs[0], attribute);
2332 talloc_free(tmp_ctx);
2337 use a DN to find a GUID
2339 int dsdb_find_guid_by_dn(struct ldb_context *ldb,
2340 struct ldb_dn *dn, struct GUID *guid)
2342 return dsdb_find_guid_attr_by_dn(ldb, dn, "objectGUID", guid);
2348 adds the given GUID to the given ldb_message. This value is added
2349 for the given attr_name (may be either "objectGUID" or "parentGUID").
2351 int dsdb_msg_add_guid(struct ldb_message *msg,
2353 const char *attr_name)
2358 TALLOC_CTX *tmp_ctx = talloc_init("dsdb_msg_add_guid");
2360 status = GUID_to_ndr_blob(guid, tmp_ctx, &v);
2361 if (!NT_STATUS_IS_OK(status)) {
2362 ret = LDB_ERR_OPERATIONS_ERROR;
2366 ret = ldb_msg_add_steal_value(msg, attr_name, &v);
2367 if (ret != LDB_SUCCESS) {
2368 DEBUG(4,(__location__ ": Failed to add %s to the message\n",
2376 talloc_free(tmp_ctx);
2383 use a DN to find a SID
2385 int dsdb_find_sid_by_dn(struct ldb_context *ldb,
2386 struct ldb_dn *dn, struct dom_sid *sid)
2389 struct ldb_result *res;
2390 const char *attrs[] = { "objectSID", NULL };
2391 TALLOC_CTX *tmp_ctx = talloc_new(ldb);
2396 ret = dsdb_search_dn(ldb, tmp_ctx, &res, dn, attrs, DSDB_SEARCH_SHOW_DELETED);
2397 if (ret != LDB_SUCCESS) {
2398 talloc_free(tmp_ctx);
2401 if (res->count < 1) {
2402 talloc_free(tmp_ctx);
2403 return LDB_ERR_NO_SUCH_OBJECT;
2405 s = samdb_result_dom_sid(tmp_ctx, res->msgs[0], "objectSID");
2407 talloc_free(tmp_ctx);
2408 return LDB_ERR_NO_SUCH_OBJECT;
2411 talloc_free(tmp_ctx);
2417 load a repsFromTo blob list for a given partition GUID
2418 attr must be "repsFrom" or "repsTo"
2420 WERROR dsdb_loadreps(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx, struct ldb_dn *dn,
2421 const char *attr, struct repsFromToBlob **r, uint32_t *count)
2423 const char *attrs[] = { attr, NULL };
2424 struct ldb_result *res = NULL;
2425 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
2427 struct ldb_message_element *el;
2432 if (ldb_search(sam_ctx, tmp_ctx, &res, dn, LDB_SCOPE_BASE, attrs, NULL) != LDB_SUCCESS ||
2434 DEBUG(0,("dsdb_loadreps: failed to read partition object\n"));
2435 talloc_free(tmp_ctx);
2436 return WERR_DS_DRA_INTERNAL_ERROR;
2439 el = ldb_msg_find_element(res->msgs[0], attr);
2441 /* it's OK to be empty */
2442 talloc_free(tmp_ctx);
2446 *count = el->num_values;
2447 *r = talloc_array(mem_ctx, struct repsFromToBlob, *count);
2449 talloc_free(tmp_ctx);
2450 return WERR_DS_DRA_INTERNAL_ERROR;
2453 for (i=0; i<(*count); i++) {
2454 enum ndr_err_code ndr_err;
2455 ndr_err = ndr_pull_struct_blob(&el->values[i],
2456 mem_ctx, lp_iconv_convenience(ldb_get_opaque(sam_ctx, "loadparm")),
2458 (ndr_pull_flags_fn_t)ndr_pull_repsFromToBlob);
2459 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
2460 talloc_free(tmp_ctx);
2461 return WERR_DS_DRA_INTERNAL_ERROR;
2465 talloc_free(tmp_ctx);
2471 save the repsFromTo blob list for a given partition GUID
2472 attr must be "repsFrom" or "repsTo"
2474 WERROR dsdb_savereps(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx, struct ldb_dn *dn,
2475 const char *attr, struct repsFromToBlob *r, uint32_t count)
2477 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
2478 struct ldb_message *msg;
2479 struct ldb_message_element *el;
2482 msg = ldb_msg_new(tmp_ctx);
2484 if (ldb_msg_add_empty(msg, attr, LDB_FLAG_MOD_REPLACE, &el) != LDB_SUCCESS) {
2488 el->values = talloc_array(msg, struct ldb_val, count);
2493 for (i=0; i<count; i++) {
2495 enum ndr_err_code ndr_err;
2497 ndr_err = ndr_push_struct_blob(&v, tmp_ctx, lp_iconv_convenience(ldb_get_opaque(sam_ctx, "loadparm")),
2499 (ndr_push_flags_fn_t)ndr_push_repsFromToBlob);
2500 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
2508 if (ldb_modify(sam_ctx, msg) != LDB_SUCCESS) {
2509 DEBUG(0,("Failed to store %s - %s\n", attr, ldb_errstring(sam_ctx)));
2513 talloc_free(tmp_ctx);
2518 talloc_free(tmp_ctx);
2519 return WERR_DS_DRA_INTERNAL_ERROR;
2524 load the uSNHighest and the uSNUrgent attributes from the @REPLCHANGED
2525 object for a partition
2527 int dsdb_load_partition_usn(struct ldb_context *ldb, struct ldb_dn *dn,
2528 uint64_t *uSN, uint64_t *urgent_uSN)
2530 struct ldb_request *req;
2532 TALLOC_CTX *tmp_ctx = talloc_new(ldb);
2533 struct dsdb_control_current_partition *p_ctrl;
2534 struct ldb_result *res;
2536 res = talloc_zero(tmp_ctx, struct ldb_result);
2538 talloc_free(tmp_ctx);
2539 return LDB_ERR_OPERATIONS_ERROR;
2542 ret = ldb_build_search_req(&req, ldb, tmp_ctx,
2543 ldb_dn_new(tmp_ctx, ldb, "@REPLCHANGED"),
2547 res, ldb_search_default_callback,
2549 if (ret != LDB_SUCCESS) {
2550 talloc_free(tmp_ctx);
2554 p_ctrl = talloc(req, struct dsdb_control_current_partition);
2555 if (p_ctrl == NULL) {
2557 return LDB_ERR_OPERATIONS_ERROR;
2559 p_ctrl->version = DSDB_CONTROL_CURRENT_PARTITION_VERSION;
2563 ret = ldb_request_add_control(req,
2564 DSDB_CONTROL_CURRENT_PARTITION_OID,
2566 if (ret != LDB_SUCCESS) {
2567 talloc_free(tmp_ctx);
2571 /* Run the new request */
2572 ret = ldb_request(ldb, req);
2574 if (ret == LDB_SUCCESS) {
2575 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
2578 if (ret == LDB_ERR_NO_SUCH_OBJECT) {
2579 /* it hasn't been created yet, which means
2580 an implicit value of zero */
2582 talloc_free(tmp_ctx);
2586 if (ret != LDB_SUCCESS) {
2587 talloc_free(tmp_ctx);
2591 if (res->count < 1) {
2597 *uSN = ldb_msg_find_attr_as_uint64(res->msgs[0], "uSNHighest", 0);
2599 *urgent_uSN = ldb_msg_find_attr_as_uint64(res->msgs[0], "uSNUrgent", 0);
2603 talloc_free(tmp_ctx);
2608 int drsuapi_DsReplicaCursor2_compare(const struct drsuapi_DsReplicaCursor2 *c1,
2609 const struct drsuapi_DsReplicaCursor2 *c2)
2611 return GUID_compare(&c1->source_dsa_invocation_id, &c2->source_dsa_invocation_id);
2614 int drsuapi_DsReplicaCursor_compare(const struct drsuapi_DsReplicaCursor *c1,
2615 const struct drsuapi_DsReplicaCursor *c2)
2617 return GUID_compare(&c1->source_dsa_invocation_id, &c2->source_dsa_invocation_id);
2622 see if a computer identified by its invocationId is a RODC
2624 int samdb_is_rodc(struct ldb_context *sam_ctx, const struct GUID *invocationId, bool *is_rodc)
2626 /* 1) find the DN for this servers NTDSDSA object
2627 2) search for the msDS-isRODC attribute
2628 3) if not present then not a RODC
2629 4) if present and TRUE then is a RODC
2631 struct ldb_dn *config_dn;
2632 const char *attrs[] = { "msDS-isRODC", NULL };
2634 struct ldb_result *res;
2635 TALLOC_CTX *tmp_ctx = talloc_new(sam_ctx);
2637 config_dn = ldb_get_config_basedn(sam_ctx);
2639 talloc_free(tmp_ctx);
2640 return LDB_ERR_OPERATIONS_ERROR;
2643 ret = dsdb_search(sam_ctx, tmp_ctx, &res, config_dn, LDB_SCOPE_SUBTREE, attrs,
2644 DSDB_SEARCH_ONE_ONLY, "invocationID=%s", GUID_string(tmp_ctx, invocationId));
2645 if (ret != LDB_SUCCESS) {
2646 talloc_free(tmp_ctx);
2650 ret = ldb_msg_find_attr_as_bool(res->msgs[0], "msDS-isRODC", 0);
2651 *is_rodc = (ret == 1);
2653 talloc_free(tmp_ctx);
2659 see if we are a RODC
2661 int samdb_rodc(struct ldb_context *sam_ctx, bool *am_rodc)
2663 const struct GUID *invocationId;
2664 invocationId = samdb_ntds_invocation_id(sam_ctx);
2665 if (!invocationId) {
2666 return LDB_ERR_OPERATIONS_ERROR;
2668 return samdb_is_rodc(sam_ctx, invocationId, am_rodc);
2674 return NTDS options flags. See MS-ADTS 7.1.1.2.2.1.2.1.1
2676 flags are DS_NTDS_OPTION_*
2678 int samdb_ntds_options(struct ldb_context *ldb, uint32_t *options)
2680 TALLOC_CTX *tmp_ctx;
2681 const char *attrs[] = { "options", NULL };
2683 struct ldb_result *res;
2685 tmp_ctx = talloc_new(ldb);
2686 if (tmp_ctx == NULL) {
2690 ret = ldb_search(ldb, tmp_ctx, &res, samdb_ntds_settings_dn(ldb), LDB_SCOPE_BASE, attrs, NULL);
2695 if (res->count != 1) {
2699 *options = samdb_result_uint(res->msgs[0], "options", 0);
2701 talloc_free(tmp_ctx);
2706 DEBUG(1,("Failed to find our own NTDS Settings options in the ldb!\n"));
2707 talloc_free(tmp_ctx);
2708 return LDB_ERR_NO_SUCH_OBJECT;
2711 const char* samdb_ntds_object_category(TALLOC_CTX *tmp_ctx, struct ldb_context *ldb)
2713 const char *attrs[] = { "objectCategory", NULL };
2715 struct ldb_result *res;
2717 ret = ldb_search(ldb, tmp_ctx, &res, samdb_ntds_settings_dn(ldb), LDB_SCOPE_BASE, attrs, NULL);
2722 if (res->count != 1) {
2726 return samdb_result_string(res->msgs[0], "objectCategory", NULL);
2729 DEBUG(1,("Failed to find our own NTDS Settings objectCategory in the ldb!\n"));
2734 * Function which generates a "lDAPDisplayName" attribute from a "CN" one.
2735 * Algorithm implemented according to MS-ADTS 3.1.1.2.3.4
2737 const char *samdb_cn_to_lDAPDisplayName(TALLOC_CTX *mem_ctx, const char *cn)
2739 char **tokens, *ret;
2742 tokens = str_list_make(mem_ctx, cn, " -_");
2746 /* "tolower()" and "toupper()" should also work properly on 0x00 */
2747 tokens[0][0] = tolower(tokens[0][0]);
2748 for (i = 1; i < str_list_length((const char **)tokens); i++)
2749 tokens[i][0] = toupper(tokens[i][0]);
2751 ret = talloc_strdup(mem_ctx, tokens[0]);
2752 for (i = 1; i < str_list_length((const char **)tokens); i++)
2753 ret = talloc_asprintf_append_buffer(ret, "%s", tokens[i]);
2755 talloc_free(tokens);
2761 return domain functional level
2762 returns DS_DOMAIN_FUNCTION_*
2764 int dsdb_functional_level(struct ldb_context *ldb)
2766 int *domainFunctionality =
2767 talloc_get_type(ldb_get_opaque(ldb, "domainFunctionality"), int);
2768 if (!domainFunctionality) {
2769 DEBUG(0,(__location__ ": WARNING: domainFunctionality not setup\n"));
2770 return DS_DOMAIN_FUNCTION_2000;
2772 return *domainFunctionality;
2776 set a GUID in an extended DN structure
2778 int dsdb_set_extended_dn_guid(struct ldb_dn *dn, const struct GUID *guid, const char *component_name)
2784 status = GUID_to_ndr_blob(guid, dn, &v);
2785 if (!NT_STATUS_IS_OK(status)) {
2786 return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
2789 ret = ldb_dn_set_extended_component(dn, component_name, &v);
2795 return a GUID from a extended DN structure
2797 NTSTATUS dsdb_get_extended_dn_guid(struct ldb_dn *dn, struct GUID *guid, const char *component_name)
2799 const struct ldb_val *v;
2801 v = ldb_dn_get_extended_component(dn, component_name);
2803 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
2806 return GUID_from_ndr_blob(v, guid);
2810 return a uint64_t from a extended DN structure
2812 NTSTATUS dsdb_get_extended_dn_uint64(struct ldb_dn *dn, uint64_t *val, const char *component_name)
2814 const struct ldb_val *v;
2817 v = ldb_dn_get_extended_component(dn, component_name);
2819 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
2821 s = talloc_strndup(dn, (const char *)v->data, v->length);
2822 NT_STATUS_HAVE_NO_MEMORY(s);
2824 *val = strtoull(s, NULL, 0);
2827 return NT_STATUS_OK;
2831 return a NTTIME from a extended DN structure
2833 NTSTATUS dsdb_get_extended_dn_nttime(struct ldb_dn *dn, NTTIME *nttime, const char *component_name)
2835 return dsdb_get_extended_dn_uint64(dn, nttime, component_name);
2839 return a uint32_t from a extended DN structure
2841 NTSTATUS dsdb_get_extended_dn_uint32(struct ldb_dn *dn, uint32_t *val, const char *component_name)
2843 const struct ldb_val *v;
2846 v = ldb_dn_get_extended_component(dn, component_name);
2848 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
2851 s = talloc_strndup(dn, (const char *)v->data, v->length);
2852 NT_STATUS_HAVE_NO_MEMORY(s);
2854 *val = strtoul(s, NULL, 0);
2857 return NT_STATUS_OK;
2861 return a dom_sid from a extended DN structure
2863 NTSTATUS dsdb_get_extended_dn_sid(struct ldb_dn *dn, struct dom_sid *sid, const char *component_name)
2865 const struct ldb_val *sid_blob;
2866 struct TALLOC_CTX *tmp_ctx;
2867 enum ndr_err_code ndr_err;
2869 sid_blob = ldb_dn_get_extended_component(dn, "SID");
2871 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
2874 tmp_ctx = talloc_new(NULL);
2876 ndr_err = ndr_pull_struct_blob_all(sid_blob, tmp_ctx, NULL, sid,
2877 (ndr_pull_flags_fn_t)ndr_pull_dom_sid);
2878 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
2879 NTSTATUS status = ndr_map_error2ntstatus(ndr_err);
2880 talloc_free(tmp_ctx);
2884 talloc_free(tmp_ctx);
2885 return NT_STATUS_OK;
2890 return RMD_FLAGS directly from a ldb_dn
2891 returns 0 if not found
2893 uint32_t dsdb_dn_rmd_flags(struct ldb_dn *dn)
2895 const struct ldb_val *v;
2897 v = ldb_dn_get_extended_component(dn, "RMD_FLAGS");
2898 if (!v || v->length > sizeof(buf)-1) return 0;
2899 strncpy(buf, (const char *)v->data, v->length);
2901 return strtoul(buf, NULL, 10);
2905 return RMD_FLAGS directly from a ldb_val for a DN
2906 returns 0 if RMD_FLAGS is not found
2908 uint32_t dsdb_dn_val_rmd_flags(struct ldb_val *val)
2914 if (val->length < 13) {
2917 p = memmem(val->data, val->length-2, "<RMD_FLAGS=", 11);
2921 flags = strtoul(p+11, &end, 10);
2922 if (!end || *end != '>') {
2923 /* it must end in a > */
2930 return true if a ldb_val containing a DN in storage form is deleted
2932 bool dsdb_dn_is_deleted_val(struct ldb_val *val)
2934 return (dsdb_dn_val_rmd_flags(val) & DSDB_RMD_FLAG_DELETED) != 0;
2938 return true if a ldb_val containing a DN in storage form is
2939 in the upgraded w2k3 linked attribute format
2941 bool dsdb_dn_is_upgraded_link_val(struct ldb_val *val)
2943 return memmem(val->data, val->length, "<RMD_ADDTIME=", 13) != NULL;
2947 return a DN for a wellknown GUID
2949 int dsdb_wellknown_dn(struct ldb_context *samdb, TALLOC_CTX *mem_ctx,
2950 struct ldb_dn *nc_root, const char *wk_guid,
2951 struct ldb_dn **wkguid_dn)
2953 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
2954 const char *attrs[] = { NULL };
2957 struct ldb_result *res;
2959 /* construct the magic WKGUID DN */
2960 dn = ldb_dn_new_fmt(tmp_ctx, samdb, "<WKGUID=%s,%s>",
2961 wk_guid, ldb_dn_get_linearized(nc_root));
2963 talloc_free(tmp_ctx);
2964 return LDB_ERR_OPERATIONS_ERROR;
2967 ret = dsdb_search_dn(samdb, tmp_ctx, &res, dn, attrs, DSDB_SEARCH_SHOW_DELETED);
2968 if (ret != LDB_SUCCESS) {
2969 talloc_free(tmp_ctx);
2973 (*wkguid_dn) = talloc_steal(mem_ctx, res->msgs[0]->dn);
2974 talloc_free(tmp_ctx);
2979 static int dsdb_dn_compare_ptrs(struct ldb_dn **dn1, struct ldb_dn **dn2)
2981 return ldb_dn_compare(*dn1, *dn2);
2985 find a NC root given a DN within the NC
2987 int dsdb_find_nc_root(struct ldb_context *samdb, TALLOC_CTX *mem_ctx, struct ldb_dn *dn,
2988 struct ldb_dn **nc_root)
2990 const char *root_attrs[] = { "namingContexts", NULL };
2991 TALLOC_CTX *tmp_ctx;
2993 struct ldb_message_element *el;
2994 struct ldb_result *root_res;
2996 struct ldb_dn **nc_dns;
2998 tmp_ctx = talloc_new(samdb);
2999 if (tmp_ctx == NULL) {
3000 return LDB_ERR_OPERATIONS_ERROR;
3003 ret = ldb_search(samdb, tmp_ctx, &root_res,
3004 ldb_dn_new(tmp_ctx, samdb, ""), LDB_SCOPE_BASE, root_attrs, NULL);
3006 DEBUG(1,("Searching for namingContexts in rootDSE failed: %s\n", ldb_errstring(samdb)));
3007 talloc_free(tmp_ctx);
3011 el = ldb_msg_find_element(root_res->msgs[0], "namingContexts");
3013 DEBUG(1,("Finding namingContexts element in root_res failed: %s\n",
3014 ldb_errstring(samdb)));
3015 talloc_free(tmp_ctx);
3016 return LDB_ERR_NO_SUCH_ATTRIBUTE;
3019 nc_dns = talloc_array(tmp_ctx, struct ldb_dn *, el->num_values);
3021 talloc_free(tmp_ctx);
3022 return LDB_ERR_OPERATIONS_ERROR;
3025 for (i=0; i<el->num_values; i++) {
3026 nc_dns[i] = ldb_dn_from_ldb_val(nc_dns, samdb, &el->values[i]);
3027 if (nc_dns[i] == NULL) {
3028 talloc_free(tmp_ctx);
3029 return LDB_ERR_OPERATIONS_ERROR;
3033 TYPESAFE_QSORT(nc_dns, el->num_values, dsdb_dn_compare_ptrs);
3035 for (i=0; i<el->num_values; i++) {
3036 if (ldb_dn_compare_base(nc_dns[i], dn) == 0) {
3037 (*nc_root) = talloc_steal(mem_ctx, nc_dns[i]);
3038 talloc_free(tmp_ctx);
3043 talloc_free(tmp_ctx);
3044 return LDB_ERR_NO_SUCH_OBJECT;
3049 find the deleted objects DN for any object, by looking for the NC
3050 root, then looking up the wellknown GUID
3052 int dsdb_get_deleted_objects_dn(struct ldb_context *ldb,
3053 TALLOC_CTX *mem_ctx, struct ldb_dn *obj_dn,
3054 struct ldb_dn **do_dn)
3056 struct ldb_dn *nc_root;
3059 ret = dsdb_find_nc_root(ldb, mem_ctx, obj_dn, &nc_root);
3060 if (ret != LDB_SUCCESS) {
3064 ret = dsdb_wellknown_dn(ldb, mem_ctx, nc_root, DS_GUID_DELETED_OBJECTS_CONTAINER, do_dn);
3065 talloc_free(nc_root);
3070 return the tombstoneLifetime, in days
3072 int dsdb_tombstone_lifetime(struct ldb_context *ldb, uint32_t *lifetime)
3075 dn = ldb_get_config_basedn(ldb);
3077 return LDB_ERR_NO_SUCH_OBJECT;
3079 dn = ldb_dn_copy(ldb, dn);
3081 return LDB_ERR_OPERATIONS_ERROR;
3083 /* see MS-ADTS section 7.1.1.2.4.1.1. There doesn't appear to
3084 be a wellknown GUID for this */
3085 if (!ldb_dn_add_child_fmt(dn, "CN=Directory Service,CN=Windows NT,CN=Services")) {
3087 return LDB_ERR_OPERATIONS_ERROR;
3090 *lifetime = samdb_search_uint(ldb, dn, 180, dn, "tombstoneLifetime", "objectClass=nTDSService");
3096 compare a ldb_val to a string case insensitively
3098 int samdb_ldb_val_case_cmp(const char *s, struct ldb_val *v)
3100 size_t len = strlen(s);
3102 if (len > v->length) return 1;
3103 ret = strncasecmp(s, (const char *)v->data, v->length);
3104 if (ret != 0) return ret;
3105 if (v->length > len && v->data[len] != 0) {
3113 load the UDV for a partition in v2 format
3114 The list is returned sorted, and with our local cursor added
3116 int dsdb_load_udv_v2(struct ldb_context *samdb, struct ldb_dn *dn, TALLOC_CTX *mem_ctx,
3117 struct drsuapi_DsReplicaCursor2 **cursors, uint32_t *count)
3119 static const char *attrs[] = { "replUpToDateVector", NULL };
3120 struct ldb_result *r;
3121 const struct ldb_val *ouv_value;
3124 uint64_t highest_usn;
3125 const struct GUID *our_invocation_id;
3126 struct timeval now = timeval_current();
3128 ret = ldb_search(samdb, mem_ctx, &r, dn, LDB_SCOPE_BASE, attrs, NULL);
3129 if (ret != LDB_SUCCESS) {
3133 ouv_value = ldb_msg_find_ldb_val(r->msgs[0], "replUpToDateVector");
3135 enum ndr_err_code ndr_err;
3136 struct replUpToDateVectorBlob ouv;
3138 ndr_err = ndr_pull_struct_blob(ouv_value, r,
3139 lp_iconv_convenience(ldb_get_opaque(samdb, "loadparm")), &ouv,
3140 (ndr_pull_flags_fn_t)ndr_pull_replUpToDateVectorBlob);
3141 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
3143 return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
3145 if (ouv.version != 2) {
3146 /* we always store as version 2, and
3147 * replUpToDateVector is not replicated
3149 return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
3152 *count = ouv.ctr.ctr2.count;
3153 *cursors = talloc_steal(mem_ctx, ouv.ctr.ctr2.cursors);
3161 our_invocation_id = samdb_ntds_invocation_id(samdb);
3162 if (!our_invocation_id) {
3163 DEBUG(0,(__location__ ": No invocationID on samdb - %s\n", ldb_errstring(samdb)));
3164 talloc_free(*cursors);
3165 return LDB_ERR_OPERATIONS_ERROR;
3168 ret = dsdb_load_partition_usn(samdb, dn, &highest_usn, NULL);
3169 if (ret != LDB_SUCCESS) {
3170 /* nothing to add - this can happen after a vampire */
3171 TYPESAFE_QSORT(*cursors, *count, drsuapi_DsReplicaCursor2_compare);
3175 for (i=0; i<*count; i++) {
3176 if (GUID_equal(our_invocation_id, &(*cursors)[i].source_dsa_invocation_id)) {
3177 (*cursors)[i].highest_usn = highest_usn;
3178 (*cursors)[i].last_sync_success = timeval_to_nttime(&now);
3179 TYPESAFE_QSORT(*cursors, *count, drsuapi_DsReplicaCursor2_compare);
3184 (*cursors) = talloc_realloc(mem_ctx, *cursors, struct drsuapi_DsReplicaCursor2, (*count)+1);
3186 return LDB_ERR_OPERATIONS_ERROR;
3189 (*cursors)[*count].source_dsa_invocation_id = *our_invocation_id;
3190 (*cursors)[*count].highest_usn = highest_usn;
3191 (*cursors)[*count].last_sync_success = timeval_to_nttime(&now);
3194 TYPESAFE_QSORT(*cursors, *count, drsuapi_DsReplicaCursor2_compare);
3200 load the UDV for a partition in version 1 format
3201 The list is returned sorted, and with our local cursor added
3203 int dsdb_load_udv_v1(struct ldb_context *samdb, struct ldb_dn *dn, TALLOC_CTX *mem_ctx,
3204 struct drsuapi_DsReplicaCursor **cursors, uint32_t *count)
3206 struct drsuapi_DsReplicaCursor2 *v2;
3210 ret = dsdb_load_udv_v2(samdb, dn, mem_ctx, &v2, count);
3211 if (ret != LDB_SUCCESS) {
3221 *cursors = talloc_array(mem_ctx, struct drsuapi_DsReplicaCursor, *count);
3222 if (*cursors == NULL) {
3224 return LDB_ERR_OPERATIONS_ERROR;
3227 for (i=0; i<*count; i++) {
3228 (*cursors)[i].source_dsa_invocation_id = v2[i].source_dsa_invocation_id;
3229 (*cursors)[i].highest_usn = v2[i].highest_usn;
3236 add a set of controls to a ldb_request structure based on a set of
3237 flags. See util.h for a list of available flags
3239 int dsdb_request_add_controls(struct ldb_request *req, uint32_t dsdb_flags)
3242 if (dsdb_flags & DSDB_SEARCH_SEARCH_ALL_PARTITIONS) {
3243 struct ldb_search_options_control *options;
3244 /* Using the phantom root control allows us to search all partitions */
3245 options = talloc(req, struct ldb_search_options_control);
3246 if (options == NULL) {
3247 return LDB_ERR_OPERATIONS_ERROR;
3249 options->search_options = LDB_SEARCH_OPTION_PHANTOM_ROOT;
3251 ret = ldb_request_add_control(req,
3252 LDB_CONTROL_SEARCH_OPTIONS_OID,
3254 if (ret != LDB_SUCCESS) {
3259 if (dsdb_flags & DSDB_SEARCH_SHOW_DELETED) {
3260 ret = ldb_request_add_control(req, LDB_CONTROL_SHOW_DELETED_OID, true, NULL);
3261 if (ret != LDB_SUCCESS) {
3266 if (dsdb_flags & DSDB_SEARCH_SHOW_DN_IN_STORAGE_FORMAT) {
3267 ret = ldb_request_add_control(req, DSDB_CONTROL_DN_STORAGE_FORMAT_OID, true, NULL);
3268 if (ret != LDB_SUCCESS) {
3273 if (dsdb_flags & DSDB_SEARCH_SHOW_EXTENDED_DN) {
3274 struct ldb_extended_dn_control *extended_ctrl = talloc(req, struct ldb_extended_dn_control);
3275 if (!extended_ctrl) {
3276 return LDB_ERR_OPERATIONS_ERROR;
3278 extended_ctrl->type = 1;
3280 ret = ldb_request_add_control(req, LDB_CONTROL_EXTENDED_DN_OID, true, extended_ctrl);
3281 if (ret != LDB_SUCCESS) {
3286 if (dsdb_flags & DSDB_SEARCH_REVEAL_INTERNALS) {
3287 ret = ldb_request_add_control(req, LDB_CONTROL_REVEAL_INTERNALS, false, NULL);
3288 if (ret != LDB_SUCCESS) {
3293 if (dsdb_flags & DSDB_MODIFY_RELAX) {
3294 ret = ldb_request_add_control(req, LDB_CONTROL_RELAX_OID, false, NULL);
3295 if (ret != LDB_SUCCESS) {
3300 if (dsdb_flags & DSDB_MODIFY_PERMISSIVE) {
3301 ret = ldb_request_add_control(req, LDB_CONTROL_PERMISSIVE_MODIFY_OID, false, NULL);
3302 if (ret != LDB_SUCCESS) {
3307 if (dsdb_flags & DSDB_FLAG_AS_SYSTEM) {
3308 ret = ldb_request_add_control(req, LDB_CONTROL_AS_SYSTEM_OID, false, NULL);
3309 if (ret != LDB_SUCCESS) {
3318 a modify with a set of controls
3320 int dsdb_modify(struct ldb_context *ldb, const struct ldb_message *message,
3321 uint32_t dsdb_flags)
3323 struct ldb_request *req;
3326 ret = ldb_build_mod_req(&req, ldb, ldb,
3330 ldb_op_default_callback,
3333 if (ret != LDB_SUCCESS) return ret;
3335 ret = dsdb_request_add_controls(req, dsdb_flags);
3336 if (ret != LDB_SUCCESS) {
3341 ret = dsdb_autotransaction_request(ldb, req);
3348 like dsdb_modify() but set all the element flags to
3349 LDB_FLAG_MOD_REPLACE
3351 int dsdb_replace(struct ldb_context *ldb, struct ldb_message *msg, uint32_t dsdb_flags)
3355 /* mark all the message elements as LDB_FLAG_MOD_REPLACE */
3356 for (i=0;i<msg->num_elements;i++) {
3357 msg->elements[i].flags = LDB_FLAG_MOD_REPLACE;
3360 return dsdb_modify(ldb, msg, dsdb_flags);
3365 search for attrs on one DN, allowing for dsdb_flags controls
3367 int dsdb_search_dn(struct ldb_context *ldb,
3368 TALLOC_CTX *mem_ctx,
3369 struct ldb_result **_res,
3370 struct ldb_dn *basedn,
3371 const char * const *attrs,
3372 uint32_t dsdb_flags)
3375 struct ldb_request *req;
3376 struct ldb_result *res;
3378 res = talloc_zero(mem_ctx, struct ldb_result);
3380 return LDB_ERR_OPERATIONS_ERROR;
3383 ret = ldb_build_search_req(&req, ldb, res,
3390 ldb_search_default_callback,
3392 if (ret != LDB_SUCCESS) {
3397 ret = dsdb_request_add_controls(req, dsdb_flags);
3398 if (ret != LDB_SUCCESS) {
3403 ret = ldb_request(ldb, req);
3404 if (ret == LDB_SUCCESS) {
3405 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
3409 if (ret != LDB_SUCCESS) {
3419 general search with dsdb_flags for controls
3421 int dsdb_search(struct ldb_context *ldb,
3422 TALLOC_CTX *mem_ctx,
3423 struct ldb_result **_res,
3424 struct ldb_dn *basedn,
3425 enum ldb_scope scope,
3426 const char * const *attrs,
3427 uint32_t dsdb_flags,
3428 const char *exp_fmt, ...) _PRINTF_ATTRIBUTE(8, 9)
3431 struct ldb_request *req;
3432 struct ldb_result *res;
3434 char *expression = NULL;
3435 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
3437 res = talloc_zero(tmp_ctx, struct ldb_result);
3439 talloc_free(tmp_ctx);
3440 return LDB_ERR_OPERATIONS_ERROR;
3444 va_start(ap, exp_fmt);
3445 expression = talloc_vasprintf(tmp_ctx, exp_fmt, ap);
3449 talloc_free(tmp_ctx);
3450 return LDB_ERR_OPERATIONS_ERROR;
3454 ret = ldb_build_search_req(&req, ldb, tmp_ctx,
3461 ldb_search_default_callback,
3463 if (ret != LDB_SUCCESS) {
3464 talloc_free(tmp_ctx);
3468 ret = dsdb_request_add_controls(req, dsdb_flags);
3469 if (ret != LDB_SUCCESS) {
3470 talloc_free(tmp_ctx);
3474 ret = ldb_request(ldb, req);
3475 if (ret == LDB_SUCCESS) {
3476 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
3479 if (ret != LDB_SUCCESS) {
3480 talloc_free(tmp_ctx);
3484 if (dsdb_flags & DSDB_SEARCH_ONE_ONLY) {
3485 if (res->count == 0) {
3486 talloc_free(tmp_ctx);
3487 return LDB_ERR_NO_SUCH_OBJECT;
3489 if (res->count != 1) {
3490 talloc_free(tmp_ctx);
3491 return LDB_ERR_CONSTRAINT_VIOLATION;
3495 *_res = talloc_steal(mem_ctx, res);
3496 talloc_free(tmp_ctx);
3503 general search with dsdb_flags for controls
3504 returns exactly 1 record or an error
3506 int dsdb_search_one(struct ldb_context *ldb,
3507 TALLOC_CTX *mem_ctx,
3508 struct ldb_message **msg,
3509 struct ldb_dn *basedn,
3510 enum ldb_scope scope,
3511 const char * const *attrs,
3512 uint32_t dsdb_flags,
3513 const char *exp_fmt, ...) _PRINTF_ATTRIBUTE(8, 9)
3516 struct ldb_result *res;
3518 char *expression = NULL;
3519 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
3521 dsdb_flags |= DSDB_SEARCH_ONE_ONLY;
3523 res = talloc_zero(tmp_ctx, struct ldb_result);
3525 talloc_free(tmp_ctx);
3526 return LDB_ERR_OPERATIONS_ERROR;
3530 va_start(ap, exp_fmt);
3531 expression = talloc_vasprintf(tmp_ctx, exp_fmt, ap);
3535 talloc_free(tmp_ctx);
3536 return LDB_ERR_OPERATIONS_ERROR;
3540 ret = dsdb_search(ldb, tmp_ctx, &res, basedn, scope, attrs,
3541 dsdb_flags, "%s", expression);
3542 if (ret != LDB_SUCCESS) {
3543 talloc_free(tmp_ctx);
3547 *msg = talloc_steal(mem_ctx, res->msgs[0]);
3548 talloc_free(tmp_ctx);
3553 /* returns back the forest DNS name */
3554 const char *samdb_forest_name(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
3556 const char *forest_name = ldb_dn_canonical_string(mem_ctx,
3557 ldb_get_root_basedn(ldb));
3560 if (forest_name == NULL) {
3564 p = strchr(forest_name, '/');
3573 validate that an DSA GUID belongs to the specified user sid.
3574 The user SID must be a domain controller account (either RODC or
3577 int dsdb_validate_dsa_guid(struct ldb_context *ldb,
3578 const struct GUID *dsa_guid,
3579 const struct dom_sid *sid)
3582 - find DN of record with the DSA GUID in the
3583 configuration partition (objectGUID)
3584 - remove "NTDS Settings" component from DN
3585 - do a base search on that DN for serverReference with
3587 - extract objectSID from resulting serverReference
3589 - check this sid matches the sid argument
3591 struct ldb_dn *config_dn;
3592 TALLOC_CTX *tmp_ctx = talloc_new(ldb);
3593 struct ldb_message *msg;
3594 const char *attrs1[] = { NULL };
3595 const char *attrs2[] = { "serverReference", NULL };
3597 struct ldb_dn *dn, *account_dn;
3598 struct dom_sid sid2;
3601 config_dn = ldb_get_config_basedn(ldb);
3603 ret = dsdb_search_one(ldb, tmp_ctx, &msg, config_dn, LDB_SCOPE_SUBTREE,
3604 attrs1, 0, "(&(objectGUID=%s)(objectClass=nTDSDSA))", GUID_string(tmp_ctx, dsa_guid));
3605 if (ret != LDB_SUCCESS) {
3606 DEBUG(1,(__location__ ": Failed to find DSA objectGUID %s for sid %s\n",
3607 GUID_string(tmp_ctx, dsa_guid), dom_sid_string(tmp_ctx, sid)));
3608 talloc_free(tmp_ctx);
3609 return LDB_ERR_OPERATIONS_ERROR;
3613 if (!ldb_dn_remove_child_components(dn, 1)) {
3614 talloc_free(tmp_ctx);
3615 return LDB_ERR_OPERATIONS_ERROR;
3618 ret = dsdb_search_one(ldb, tmp_ctx, &msg, dn, LDB_SCOPE_BASE,
3619 attrs2, DSDB_SEARCH_SHOW_EXTENDED_DN,
3620 "(objectClass=server)");
3621 if (ret != LDB_SUCCESS) {
3622 DEBUG(1,(__location__ ": Failed to find server record for DSA with objectGUID %s, sid %s\n",
3623 GUID_string(tmp_ctx, dsa_guid), dom_sid_string(tmp_ctx, sid)));
3624 talloc_free(tmp_ctx);
3625 return LDB_ERR_OPERATIONS_ERROR;
3628 account_dn = ldb_msg_find_attr_as_dn(ldb, tmp_ctx, msg, "serverReference");
3629 if (account_dn == NULL) {
3630 DEBUG(1,(__location__ ": Failed to find account_dn for DSA with objectGUID %s, sid %s\n",
3631 GUID_string(tmp_ctx, dsa_guid), dom_sid_string(tmp_ctx, sid)));
3632 talloc_free(tmp_ctx);
3633 return LDB_ERR_OPERATIONS_ERROR;
3636 status = dsdb_get_extended_dn_sid(account_dn, &sid2, "SID");
3637 if (!NT_STATUS_IS_OK(status)) {
3638 DEBUG(1,(__location__ ": Failed to find SID for DSA with objectGUID %s, sid %s\n",
3639 GUID_string(tmp_ctx, dsa_guid), dom_sid_string(tmp_ctx, sid)));
3640 talloc_free(tmp_ctx);
3641 return LDB_ERR_OPERATIONS_ERROR;
3644 if (!dom_sid_equal(sid, &sid2)) {
3645 /* someone is trying to spoof another account */
3646 DEBUG(0,(__location__ ": Bad DSA objectGUID %s for sid %s - expected sid %s\n",
3647 GUID_string(tmp_ctx, dsa_guid),
3648 dom_sid_string(tmp_ctx, sid),
3649 dom_sid_string(tmp_ctx, &sid2)));
3650 talloc_free(tmp_ctx);
3651 return LDB_ERR_OPERATIONS_ERROR;
3654 talloc_free(tmp_ctx);