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_module.h"
28 #include "ldb_errors.h"
29 #include "../lib/util/util_ldb.h"
30 #include "../lib/crypto/crypto.h"
31 #include "dsdb/samdb/samdb.h"
32 #include "libcli/security/security.h"
33 #include "librpc/gen_ndr/ndr_security.h"
34 #include "librpc/gen_ndr/ndr_misc.h"
35 #include "../libds/common/flags.h"
36 #include "dsdb/common/proto.h"
37 #include "libcli/ldap/ldap_ndr.h"
38 #include "param/param.h"
39 #include "libcli/auth/libcli_auth.h"
40 #include "librpc/gen_ndr/ndr_drsblobs.h"
41 #include "system/locale.h"
42 #include "lib/util/tsort.h"
43 #include "dsdb/common/util.h"
44 #include "lib/socket/socket.h"
45 #include "librpc/gen_ndr/irpc.h"
46 #include "libds/common/flag_mapping.h"
49 search the sam for the specified attributes in a specific domain, filter on
50 objectSid being in domain_sid.
52 int samdb_search_domain(struct ldb_context *sam_ldb,
54 struct ldb_dn *basedn,
55 struct ldb_message ***res,
56 const char * const *attrs,
57 const struct dom_sid *domain_sid,
58 const char *format, ...) _PRINTF_ATTRIBUTE(7,8)
64 count = gendb_search_v(sam_ldb, mem_ctx, basedn,
65 res, attrs, format, ap);
71 struct dom_sid *entry_sid;
73 entry_sid = samdb_result_dom_sid(mem_ctx, (*res)[i], "objectSid");
75 if ((entry_sid == NULL) ||
76 (!dom_sid_in_domain(domain_sid, entry_sid))) {
77 /* Delete that entry from the result set */
78 (*res)[i] = (*res)[count-1];
80 talloc_free(entry_sid);
83 talloc_free(entry_sid);
91 search the sam for a single string attribute in exactly 1 record
93 const char *samdb_search_string_v(struct ldb_context *sam_ldb,
95 struct ldb_dn *basedn,
96 const char *attr_name,
97 const char *format, va_list ap) _PRINTF_ATTRIBUTE(5,0)
100 const char *attrs[2] = { NULL, NULL };
101 struct ldb_message **res = NULL;
103 attrs[0] = attr_name;
105 count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, attrs, format, ap);
107 DEBUG(1,("samdb: search for %s %s not single valued (count=%d)\n",
108 attr_name, format, count));
115 return ldb_msg_find_attr_as_string(res[0], attr_name, NULL);
119 search the sam for a single string attribute in exactly 1 record
121 const char *samdb_search_string(struct ldb_context *sam_ldb,
123 struct ldb_dn *basedn,
124 const char *attr_name,
125 const char *format, ...) _PRINTF_ATTRIBUTE(5,6)
130 va_start(ap, format);
131 str = samdb_search_string_v(sam_ldb, mem_ctx, basedn, attr_name, format, ap);
137 struct ldb_dn *samdb_search_dn(struct ldb_context *sam_ldb,
139 struct ldb_dn *basedn,
140 const char *format, ...) _PRINTF_ATTRIBUTE(4,5)
144 struct ldb_message **res = NULL;
147 va_start(ap, format);
148 count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, NULL, format, ap);
151 if (count != 1) return NULL;
153 ret = talloc_steal(mem_ctx, res[0]->dn);
160 search the sam for a dom_sid attribute in exactly 1 record
162 struct dom_sid *samdb_search_dom_sid(struct ldb_context *sam_ldb,
164 struct ldb_dn *basedn,
165 const char *attr_name,
166 const char *format, ...) _PRINTF_ATTRIBUTE(5,6)
170 struct ldb_message **res;
171 const char *attrs[2] = { NULL, NULL };
174 attrs[0] = attr_name;
176 va_start(ap, format);
177 count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, attrs, format, ap);
180 DEBUG(1,("samdb: search for %s %s not single valued (count=%d)\n",
181 attr_name, format, count));
187 sid = samdb_result_dom_sid(mem_ctx, res[0], attr_name);
193 return the count of the number of records in the sam matching the query
195 int samdb_search_count(struct ldb_context *sam_ldb,
197 struct ldb_dn *basedn,
198 const char *format, ...) _PRINTF_ATTRIBUTE(4,5)
201 const char *attrs[] = { NULL };
204 va_start(ap, format);
205 ret = gendb_search_v(sam_ldb, mem_ctx, basedn, NULL, attrs, format, ap);
213 search the sam for a single integer attribute in exactly 1 record
215 unsigned int samdb_search_uint(struct ldb_context *sam_ldb,
217 unsigned int default_value,
218 struct ldb_dn *basedn,
219 const char *attr_name,
220 const char *format, ...) _PRINTF_ATTRIBUTE(6,7)
224 struct ldb_message **res;
225 const char *attrs[2] = { NULL, NULL };
227 attrs[0] = attr_name;
229 va_start(ap, format);
230 count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, attrs, format, ap);
234 return default_value;
237 return ldb_msg_find_attr_as_uint(res[0], attr_name, default_value);
241 search the sam for a single signed 64 bit integer attribute in exactly 1 record
243 int64_t samdb_search_int64(struct ldb_context *sam_ldb,
245 int64_t default_value,
246 struct ldb_dn *basedn,
247 const char *attr_name,
248 const char *format, ...) _PRINTF_ATTRIBUTE(6,7)
252 struct ldb_message **res;
253 const char *attrs[2] = { NULL, NULL };
255 attrs[0] = attr_name;
257 va_start(ap, format);
258 count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, attrs, format, ap);
262 return default_value;
265 return ldb_msg_find_attr_as_int64(res[0], attr_name, default_value);
269 search the sam for multipe records each giving a single string attribute
270 return the number of matches, or -1 on error
272 int samdb_search_string_multiple(struct ldb_context *sam_ldb,
274 struct ldb_dn *basedn,
276 const char *attr_name,
277 const char *format, ...) _PRINTF_ATTRIBUTE(6,7)
281 const char *attrs[2] = { NULL, NULL };
282 struct ldb_message **res = NULL;
284 attrs[0] = attr_name;
286 va_start(ap, format);
287 count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, attrs, format, ap);
294 /* make sure its single valued */
295 for (i=0;i<count;i++) {
296 if (res[i]->num_elements != 1) {
297 DEBUG(1,("samdb: search for %s %s not single valued\n",
304 *strs = talloc_array(mem_ctx, const char *, count+1);
310 for (i=0;i<count;i++) {
311 (*strs)[i] = ldb_msg_find_attr_as_string(res[i], attr_name, NULL);
313 (*strs)[count] = NULL;
318 struct ldb_dn *samdb_result_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
319 const char *attr, struct ldb_dn *default_value)
321 struct ldb_dn *ret_dn = ldb_msg_find_attr_as_dn(ldb, mem_ctx, msg, attr);
323 return default_value;
329 pull a rid from a objectSid in a result set.
331 uint32_t samdb_result_rid_from_sid(TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
332 const char *attr, uint32_t default_value)
337 sid = samdb_result_dom_sid(mem_ctx, msg, attr);
339 return default_value;
341 rid = sid->sub_auths[sid->num_auths-1];
347 pull a dom_sid structure from a objectSid in a result set.
349 struct dom_sid *samdb_result_dom_sid(TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
353 const struct ldb_val *v;
355 v = ldb_msg_find_ldb_val(msg, attr);
359 sid = talloc(mem_ctx, struct dom_sid);
363 ok = sid_blob_parse(*v, sid);
372 pull a guid structure from a objectGUID in a result set.
374 struct GUID samdb_result_guid(const struct ldb_message *msg, const char *attr)
376 const struct ldb_val *v;
380 v = ldb_msg_find_ldb_val(msg, attr);
381 if (!v) return GUID_zero();
383 status = GUID_from_ndr_blob(v, &guid);
384 if (!NT_STATUS_IS_OK(status)) {
392 pull a sid prefix from a objectSid in a result set.
393 this is used to find the domain sid for a user
395 struct dom_sid *samdb_result_sid_prefix(TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
398 struct dom_sid *sid = samdb_result_dom_sid(mem_ctx, msg, attr);
399 if (!sid || sid->num_auths < 1) return NULL;
405 pull a NTTIME in a result set.
407 NTTIME samdb_result_nttime(const struct ldb_message *msg, const char *attr,
408 NTTIME default_value)
410 return ldb_msg_find_attr_as_uint64(msg, attr, default_value);
414 * Windows stores 0 for lastLogoff.
415 * But when a MS DC return the lastLogoff (as Logoff Time)
416 * it returns 0x7FFFFFFFFFFFFFFF, not returning this value in this case
417 * cause windows 2008 and newer version to fail for SMB requests
419 NTTIME samdb_result_last_logoff(const struct ldb_message *msg)
421 NTTIME ret = ldb_msg_find_attr_as_uint64(msg, "lastLogoff",0);
424 ret = 0x7FFFFFFFFFFFFFFFULL;
430 * Windows uses both 0 and 9223372036854775807 (0x7FFFFFFFFFFFFFFFULL) to
431 * indicate an account doesn't expire.
433 * When Windows initially creates an account, it sets
434 * accountExpires = 9223372036854775807 (0x7FFFFFFFFFFFFFFF). However,
435 * when changing from an account having a specific expiration date to
436 * that account never expiring, it sets accountExpires = 0.
438 * Consolidate that logic here to allow clearer logic for account expiry in
439 * the rest of the code.
441 NTTIME samdb_result_account_expires(const struct ldb_message *msg)
443 NTTIME ret = ldb_msg_find_attr_as_uint64(msg, "accountExpires",
447 ret = 0x7FFFFFFFFFFFFFFFULL;
453 construct the allow_password_change field from the PwdLastSet attribute and the
454 domain password settings
456 NTTIME samdb_result_allow_password_change(struct ldb_context *sam_ldb,
458 struct ldb_dn *domain_dn,
459 struct ldb_message *msg,
462 uint64_t attr_time = ldb_msg_find_attr_as_uint64(msg, attr, 0);
465 if (attr_time == 0) {
469 minPwdAge = samdb_search_int64(sam_ldb, mem_ctx, 0, domain_dn, "minPwdAge", NULL);
471 /* yes, this is a -= not a += as minPwdAge is stored as the negative
472 of the number of 100-nano-seconds */
473 attr_time -= minPwdAge;
479 construct the force_password_change field from the PwdLastSet
480 attribute, the userAccountControl and the domain password settings
482 NTTIME samdb_result_force_password_change(struct ldb_context *sam_ldb,
484 struct ldb_dn *domain_dn,
485 struct ldb_message *msg)
487 int64_t attr_time = ldb_msg_find_attr_as_int64(msg, "pwdLastSet", 0);
488 uint32_t userAccountControl = ldb_msg_find_attr_as_uint(msg,
489 "userAccountControl",
493 /* Machine accounts don't expire, and there is a flag for 'no expiry' */
494 if (!(userAccountControl & UF_NORMAL_ACCOUNT)
495 || (userAccountControl & UF_DONT_EXPIRE_PASSWD)) {
496 return 0x7FFFFFFFFFFFFFFFULL;
499 if (attr_time == 0) {
502 if (attr_time == -1) {
503 return 0x7FFFFFFFFFFFFFFFULL;
506 maxPwdAge = samdb_search_int64(sam_ldb, mem_ctx, 0, domain_dn,
508 if (maxPwdAge == 0) {
509 return 0x7FFFFFFFFFFFFFFFULL;
511 attr_time -= maxPwdAge;
518 pull a samr_Password structutre from a result set.
520 struct samr_Password *samdb_result_hash(TALLOC_CTX *mem_ctx, const struct ldb_message *msg, const char *attr)
522 struct samr_Password *hash = NULL;
523 const struct ldb_val *val = ldb_msg_find_ldb_val(msg, attr);
524 if (val && (val->length >= sizeof(hash->hash))) {
525 hash = talloc(mem_ctx, struct samr_Password);
526 memcpy(hash->hash, val->data, MIN(val->length, sizeof(hash->hash)));
532 pull an array of samr_Password structures from a result set.
534 unsigned int samdb_result_hashes(TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
535 const char *attr, struct samr_Password **hashes)
537 unsigned int count, i;
538 const struct ldb_val *val = ldb_msg_find_ldb_val(msg, attr);
544 count = val->length / 16;
549 *hashes = talloc_array(mem_ctx, struct samr_Password, count);
554 for (i=0;i<count;i++) {
555 memcpy((*hashes)[i].hash, (i*16)+(char *)val->data, 16);
561 NTSTATUS samdb_result_passwords(TALLOC_CTX *mem_ctx, struct loadparm_context *lp_ctx, struct ldb_message *msg,
562 struct samr_Password **lm_pwd, struct samr_Password **nt_pwd)
564 struct samr_Password *lmPwdHash, *ntPwdHash;
567 num_nt = samdb_result_hashes(mem_ctx, msg, "unicodePwd", &ntPwdHash);
570 } else if (num_nt > 1) {
571 return NT_STATUS_INTERNAL_DB_CORRUPTION;
573 *nt_pwd = &ntPwdHash[0];
577 /* Ensure that if we have turned off LM
578 * authentication, that we never use the LM hash, even
580 if (lpcfg_lanman_auth(lp_ctx)) {
582 num_lm = samdb_result_hashes(mem_ctx, msg, "dBCSPwd", &lmPwdHash);
585 } else if (num_lm > 1) {
586 return NT_STATUS_INTERNAL_DB_CORRUPTION;
588 *lm_pwd = &lmPwdHash[0];
598 pull a samr_LogonHours structutre from a result set.
600 struct samr_LogonHours samdb_result_logon_hours(TALLOC_CTX *mem_ctx, struct ldb_message *msg, const char *attr)
602 struct samr_LogonHours hours;
603 size_t units_per_week = 168;
604 const struct ldb_val *val = ldb_msg_find_ldb_val(msg, attr);
609 units_per_week = val->length * 8;
612 hours.bits = talloc_array(mem_ctx, uint8_t, units_per_week/8);
616 hours.units_per_week = units_per_week;
617 memset(hours.bits, 0xFF, units_per_week/8);
619 memcpy(hours.bits, val->data, val->length);
626 pull a set of account_flags from a result set.
628 This requires that the attributes:
633 uint32_t samdb_result_acct_flags(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx,
634 struct ldb_message *msg, struct ldb_dn *domain_dn)
636 uint32_t userAccountControl = ldb_msg_find_attr_as_uint(msg, "userAccountControl", 0);
637 uint32_t acct_flags = ds_uf2acb(userAccountControl);
638 NTTIME must_change_time;
641 must_change_time = samdb_result_force_password_change(sam_ctx, mem_ctx,
644 /* Test account expire time */
645 unix_to_nt_time(&now, time(NULL));
646 /* check for expired password */
647 if (must_change_time < now) {
648 acct_flags |= ACB_PW_EXPIRED;
653 struct lsa_BinaryString samdb_result_parameters(TALLOC_CTX *mem_ctx,
654 struct ldb_message *msg,
657 struct lsa_BinaryString s;
658 const struct ldb_val *val = ldb_msg_find_ldb_val(msg, attr);
666 s.array = talloc_array(mem_ctx, uint16_t, val->length/2);
670 s.length = s.size = val->length;
671 memcpy(s.array, val->data, val->length);
676 /* Find an attribute, with a particular value */
678 /* The current callers of this function expect a very specific
679 * behaviour: In particular, objectClass subclass equivilance is not
680 * wanted. This means that we should not lookup the schema for the
681 * comparison function */
682 struct ldb_message_element *samdb_find_attribute(struct ldb_context *ldb,
683 const struct ldb_message *msg,
684 const char *name, const char *value)
687 struct ldb_message_element *el = ldb_msg_find_element(msg, name);
693 for (i=0;i<el->num_values;i++) {
694 if (ldb_attr_cmp(value, (char *)el->values[i].data) == 0) {
702 int samdb_find_or_add_value(struct ldb_context *ldb, struct ldb_message *msg, const char *name, const char *set_value)
704 if (samdb_find_attribute(ldb, msg, name, set_value) == NULL) {
705 return samdb_msg_add_string(ldb, msg, msg, name, set_value);
710 int samdb_find_or_add_attribute(struct ldb_context *ldb, struct ldb_message *msg, const char *name, const char *set_value)
712 struct ldb_message_element *el;
714 el = ldb_msg_find_element(msg, name);
719 return samdb_msg_add_string(ldb, msg, msg, name, set_value);
725 add a string element to a message
727 int samdb_msg_add_string(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
728 const char *attr_name, const char *str)
730 const char *s = talloc_strdup(mem_ctx, str);
732 return ldb_oom(sam_ldb);
734 return ldb_msg_add_string(msg, attr_name, s);
738 add a dom_sid element to a message
740 int samdb_msg_add_dom_sid(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
741 const char *attr_name, struct dom_sid *sid)
744 enum ndr_err_code ndr_err;
746 ndr_err = ndr_push_struct_blob(&v, mem_ctx,
748 (ndr_push_flags_fn_t)ndr_push_dom_sid);
749 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
750 return ldb_operr(sam_ldb);
752 return ldb_msg_add_value(msg, attr_name, &v, NULL);
757 add a delete element operation to a message
759 int samdb_msg_add_delete(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
760 const char *attr_name)
762 /* we use an empty replace rather than a delete, as it allows for
763 dsdb_replace() to be used everywhere */
764 return ldb_msg_add_empty(msg, attr_name, LDB_FLAG_MOD_REPLACE, NULL);
768 add an add attribute value to a message or enhance an existing attribute
769 which has the same name and the add flag set.
771 int samdb_msg_add_addval(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx,
772 struct ldb_message *msg, const char *attr_name,
775 struct ldb_message_element *el;
776 struct ldb_val val, *vals;
782 v = talloc_strdup(mem_ctx, value);
784 return ldb_oom(sam_ldb);
787 val.data = (uint8_t *) v;
788 val.length = strlen(v);
790 if (val.length == 0) {
791 /* allow empty strings as non-existent attributes */
795 for (i = 0; i < msg->num_elements; i++) {
796 el = &msg->elements[i];
797 if ((ldb_attr_cmp(el->name, attr_name) == 0) &&
798 (LDB_FLAG_MOD_TYPE(el->flags) == LDB_FLAG_MOD_ADD)) {
804 ret = ldb_msg_add_empty(msg, attr_name, LDB_FLAG_MOD_ADD,
806 if (ret != LDB_SUCCESS) {
811 vals = talloc_realloc(msg->elements, el->values, struct ldb_val,
814 return ldb_oom(sam_ldb);
817 el->values[el->num_values] = val;
824 add a delete attribute value to a message or enhance an existing attribute
825 which has the same name and the delete flag set.
827 int samdb_msg_add_delval(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx,
828 struct ldb_message *msg, const char *attr_name,
831 struct ldb_message_element *el;
832 struct ldb_val val, *vals;
838 v = talloc_strdup(mem_ctx, value);
840 return ldb_oom(sam_ldb);
843 val.data = (uint8_t *) v;
844 val.length = strlen(v);
846 if (val.length == 0) {
847 /* allow empty strings as non-existent attributes */
851 for (i = 0; i < msg->num_elements; i++) {
852 el = &msg->elements[i];
853 if ((ldb_attr_cmp(el->name, attr_name) == 0) &&
854 (LDB_FLAG_MOD_TYPE(el->flags) == LDB_FLAG_MOD_DELETE)) {
860 ret = ldb_msg_add_empty(msg, attr_name, LDB_FLAG_MOD_DELETE,
862 if (ret != LDB_SUCCESS) {
867 vals = talloc_realloc(msg->elements, el->values, struct ldb_val,
870 return ldb_oom(sam_ldb);
873 el->values[el->num_values] = val;
880 add a int element to a message
882 int samdb_msg_add_int(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
883 const char *attr_name, int v)
885 const char *s = talloc_asprintf(mem_ctx, "%d", v);
887 return ldb_oom(sam_ldb);
889 return ldb_msg_add_string(msg, attr_name, s);
893 * Add an unsigned int element to a message
895 * The issue here is that we have not yet first cast to int32_t explicitly,
896 * before we cast to an signed int to printf() into the %d or cast to a
897 * int64_t before we then cast to a long long to printf into a %lld.
899 * There are *no* unsigned integers in Active Directory LDAP, even the RID
900 * allocations and ms-DS-Secondary-KrbTgt-Number are *signed* quantities.
901 * (See the schema, and the syntax definitions in schema_syntax.c).
904 int samdb_msg_add_uint(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
905 const char *attr_name, unsigned int v)
907 return samdb_msg_add_int(sam_ldb, mem_ctx, msg, attr_name, (int)v);
911 add a (signed) int64_t element to a message
913 int samdb_msg_add_int64(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
914 const char *attr_name, int64_t v)
916 const char *s = talloc_asprintf(mem_ctx, "%lld", (long long)v);
918 return ldb_oom(sam_ldb);
920 return ldb_msg_add_string(msg, attr_name, s);
924 * Add an unsigned int64_t (uint64_t) element to a message
926 * The issue here is that we have not yet first cast to int32_t explicitly,
927 * before we cast to an signed int to printf() into the %d or cast to a
928 * int64_t before we then cast to a long long to printf into a %lld.
930 * There are *no* unsigned integers in Active Directory LDAP, even the RID
931 * allocations and ms-DS-Secondary-KrbTgt-Number are *signed* quantities.
932 * (See the schema, and the syntax definitions in schema_syntax.c).
935 int samdb_msg_add_uint64(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
936 const char *attr_name, uint64_t v)
938 return samdb_msg_add_int64(sam_ldb, mem_ctx, msg, attr_name, (int64_t)v);
942 add a samr_Password element to a message
944 int samdb_msg_add_hash(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
945 const char *attr_name, const struct samr_Password *hash)
948 val.data = talloc_memdup(mem_ctx, hash->hash, 16);
950 return ldb_oom(sam_ldb);
953 return ldb_msg_add_value(msg, attr_name, &val, NULL);
957 add a samr_Password array to a message
959 int samdb_msg_add_hashes(struct ldb_context *ldb,
960 TALLOC_CTX *mem_ctx, struct ldb_message *msg,
961 const char *attr_name, struct samr_Password *hashes,
966 val.data = talloc_array_size(mem_ctx, 16, count);
967 val.length = count*16;
971 for (i=0;i<count;i++) {
972 memcpy(i*16 + (char *)val.data, hashes[i].hash, 16);
974 return ldb_msg_add_value(msg, attr_name, &val, NULL);
978 add a acct_flags element to a message
980 int samdb_msg_add_acct_flags(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
981 const char *attr_name, uint32_t v)
983 return samdb_msg_add_uint(sam_ldb, mem_ctx, msg, attr_name, ds_acb2uf(v));
987 add a logon_hours element to a message
989 int samdb_msg_add_logon_hours(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
990 const char *attr_name, struct samr_LogonHours *hours)
993 val.length = hours->units_per_week / 8;
994 val.data = hours->bits;
995 return ldb_msg_add_value(msg, attr_name, &val, NULL);
999 add a parameters element to a message
1001 int samdb_msg_add_parameters(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
1002 const char *attr_name, struct lsa_BinaryString *parameters)
1005 val.length = parameters->length;
1006 val.data = (uint8_t *)parameters->array;
1007 return ldb_msg_add_value(msg, attr_name, &val, NULL);
1011 sets a general value element to a message
1013 int samdb_msg_set_value(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
1014 const char *attr_name, const struct ldb_val *val)
1016 struct ldb_message_element *el;
1018 el = ldb_msg_find_element(msg, attr_name);
1022 return ldb_msg_add_value(msg, attr_name, val, NULL);
1026 set a string element in a message
1028 int samdb_msg_set_string(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
1029 const char *attr_name, const char *str)
1031 struct ldb_message_element *el;
1033 el = ldb_msg_find_element(msg, attr_name);
1037 return samdb_msg_add_string(sam_ldb, mem_ctx, msg, attr_name, str);
1041 * sets a signed integer in a message
1043 int samdb_msg_set_int(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx,
1044 struct ldb_message *msg, const char *attr_name, int v)
1046 struct ldb_message_element *el;
1048 el = ldb_msg_find_element(msg, attr_name);
1052 return samdb_msg_add_int(sam_ldb, mem_ctx, msg, attr_name, v);
1056 * Sets an unsigned int element in a message
1058 * The issue here is that we have not yet first cast to int32_t explicitly,
1059 * before we cast to an signed int to printf() into the %d or cast to a
1060 * int64_t before we then cast to a long long to printf into a %lld.
1062 * There are *no* unsigned integers in Active Directory LDAP, even the RID
1063 * allocations and ms-DS-Secondary-KrbTgt-Number are *signed* quantities.
1064 * (See the schema, and the syntax definitions in schema_syntax.c).
1067 int samdb_msg_set_uint(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx,
1068 struct ldb_message *msg, const char *attr_name,
1071 struct ldb_message_element *el;
1073 el = ldb_msg_find_element(msg, attr_name);
1077 return samdb_msg_add_uint(sam_ldb, mem_ctx, msg, attr_name, v);
1081 * Handle ldb_request in transaction
1083 static int dsdb_autotransaction_request(struct ldb_context *sam_ldb,
1084 struct ldb_request *req)
1088 ret = ldb_transaction_start(sam_ldb);
1089 if (ret != LDB_SUCCESS) {
1093 ret = ldb_request(sam_ldb, req);
1094 if (ret == LDB_SUCCESS) {
1095 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
1098 if (ret == LDB_SUCCESS) {
1099 return ldb_transaction_commit(sam_ldb);
1101 ldb_transaction_cancel(sam_ldb);
1107 return a default security descriptor
1109 struct security_descriptor *samdb_default_security_descriptor(TALLOC_CTX *mem_ctx)
1111 struct security_descriptor *sd;
1113 sd = security_descriptor_initialise(mem_ctx);
1118 struct ldb_dn *samdb_aggregate_schema_dn(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx)
1120 struct ldb_dn *schema_dn = ldb_get_schema_basedn(sam_ctx);
1121 struct ldb_dn *aggregate_dn;
1126 aggregate_dn = ldb_dn_copy(mem_ctx, schema_dn);
1127 if (!aggregate_dn) {
1130 if (!ldb_dn_add_child_fmt(aggregate_dn, "CN=Aggregate")) {
1133 return aggregate_dn;
1136 struct ldb_dn *samdb_partitions_dn(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx)
1138 struct ldb_dn *new_dn;
1140 new_dn = ldb_dn_copy(mem_ctx, ldb_get_config_basedn(sam_ctx));
1141 if ( ! ldb_dn_add_child_fmt(new_dn, "CN=Partitions")) {
1142 talloc_free(new_dn);
1148 struct ldb_dn *samdb_infrastructure_dn(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx)
1150 struct ldb_dn *new_dn;
1152 new_dn = ldb_dn_copy(mem_ctx, ldb_get_default_basedn(sam_ctx));
1153 if ( ! ldb_dn_add_child_fmt(new_dn, "CN=Infrastructure")) {
1154 talloc_free(new_dn);
1160 struct ldb_dn *samdb_sites_dn(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx)
1162 struct ldb_dn *new_dn;
1164 new_dn = ldb_dn_copy(mem_ctx, ldb_get_config_basedn(sam_ctx));
1165 if ( ! ldb_dn_add_child_fmt(new_dn, "CN=Sites")) {
1166 talloc_free(new_dn);
1173 work out the domain sid for the current open ldb
1175 const struct dom_sid *samdb_domain_sid(struct ldb_context *ldb)
1177 TALLOC_CTX *tmp_ctx;
1178 const struct dom_sid *domain_sid;
1179 const char *attrs[] = {
1183 struct ldb_result *res;
1186 /* see if we have a cached copy */
1187 domain_sid = (struct dom_sid *)ldb_get_opaque(ldb, "cache.domain_sid");
1192 tmp_ctx = talloc_new(ldb);
1193 if (tmp_ctx == NULL) {
1197 ret = ldb_search(ldb, tmp_ctx, &res, ldb_get_default_basedn(ldb), LDB_SCOPE_BASE, attrs, "objectSid=*");
1199 if (ret != LDB_SUCCESS) {
1203 if (res->count != 1) {
1207 domain_sid = samdb_result_dom_sid(tmp_ctx, res->msgs[0], "objectSid");
1208 if (domain_sid == NULL) {
1212 /* cache the domain_sid in the ldb */
1213 if (ldb_set_opaque(ldb, "cache.domain_sid", discard_const_p(struct dom_sid, domain_sid)) != LDB_SUCCESS) {
1217 talloc_steal(ldb, domain_sid);
1218 talloc_free(tmp_ctx);
1223 talloc_free(tmp_ctx);
1228 get domain sid from cache
1230 const struct dom_sid *samdb_domain_sid_cache_only(struct ldb_context *ldb)
1232 return (struct dom_sid *)ldb_get_opaque(ldb, "cache.domain_sid");
1235 bool samdb_set_domain_sid(struct ldb_context *ldb, const struct dom_sid *dom_sid_in)
1237 TALLOC_CTX *tmp_ctx;
1238 struct dom_sid *dom_sid_new;
1239 struct dom_sid *dom_sid_old;
1241 /* see if we have a cached copy */
1242 dom_sid_old = talloc_get_type(ldb_get_opaque(ldb,
1243 "cache.domain_sid"), struct dom_sid);
1245 tmp_ctx = talloc_new(ldb);
1246 if (tmp_ctx == NULL) {
1250 dom_sid_new = dom_sid_dup(tmp_ctx, dom_sid_in);
1255 /* cache the domain_sid in the ldb */
1256 if (ldb_set_opaque(ldb, "cache.domain_sid", dom_sid_new) != LDB_SUCCESS) {
1260 talloc_steal(ldb, dom_sid_new);
1261 talloc_free(tmp_ctx);
1262 talloc_free(dom_sid_old);
1267 DEBUG(1,("Failed to set our own cached domain SID in the ldb!\n"));
1268 talloc_free(tmp_ctx);
1272 bool samdb_set_ntds_settings_dn(struct ldb_context *ldb, struct ldb_dn *ntds_settings_dn_in)
1274 TALLOC_CTX *tmp_ctx;
1275 struct ldb_dn *ntds_settings_dn_new;
1276 struct ldb_dn *ntds_settings_dn_old;
1278 /* see if we have a cached copy */
1279 ntds_settings_dn_old = talloc_get_type(ldb_get_opaque(ldb,
1280 "cache.ntds_settings_dn"), struct ldb_dn);
1282 tmp_ctx = talloc_new(ldb);
1283 if (tmp_ctx == NULL) {
1287 ntds_settings_dn_new = ldb_dn_copy(tmp_ctx, ntds_settings_dn_in);
1288 if (!ntds_settings_dn_new) {
1292 /* cache the domain_sid in the ldb */
1293 if (ldb_set_opaque(ldb, "cache.ntds_settings_dn", ntds_settings_dn_new) != LDB_SUCCESS) {
1297 talloc_steal(ldb, ntds_settings_dn_new);
1298 talloc_free(tmp_ctx);
1299 talloc_free(ntds_settings_dn_old);
1304 DEBUG(1,("Failed to set our NTDS Settings DN in the ldb!\n"));
1305 talloc_free(tmp_ctx);
1310 work out the ntds settings dn for the current open ldb
1312 struct ldb_dn *samdb_ntds_settings_dn(struct ldb_context *ldb)
1314 TALLOC_CTX *tmp_ctx;
1315 const char *root_attrs[] = { "dsServiceName", NULL };
1317 struct ldb_result *root_res;
1318 struct ldb_dn *settings_dn;
1320 /* see if we have a cached copy */
1321 settings_dn = (struct ldb_dn *)ldb_get_opaque(ldb, "cache.ntds_settings_dn");
1326 tmp_ctx = talloc_new(ldb);
1327 if (tmp_ctx == NULL) {
1331 ret = ldb_search(ldb, tmp_ctx, &root_res, ldb_dn_new(tmp_ctx, ldb, ""), LDB_SCOPE_BASE, root_attrs, NULL);
1333 DEBUG(1,("Searching for dsServiceName in rootDSE failed: %s\n",
1334 ldb_errstring(ldb)));
1338 if (root_res->count != 1) {
1342 settings_dn = ldb_msg_find_attr_as_dn(ldb, tmp_ctx, root_res->msgs[0], "dsServiceName");
1344 /* cache the domain_sid in the ldb */
1345 if (ldb_set_opaque(ldb, "cache.ntds_settings_dn", settings_dn) != LDB_SUCCESS) {
1349 talloc_steal(ldb, settings_dn);
1350 talloc_free(tmp_ctx);
1355 DEBUG(1,("Failed to find our own NTDS Settings DN in the ldb!\n"));
1356 talloc_free(tmp_ctx);
1361 work out the ntds settings invocationId for the current open ldb
1363 const struct GUID *samdb_ntds_invocation_id(struct ldb_context *ldb)
1365 TALLOC_CTX *tmp_ctx;
1366 const char *attrs[] = { "invocationId", NULL };
1368 struct ldb_result *res;
1369 struct GUID *invocation_id;
1371 /* see if we have a cached copy */
1372 invocation_id = (struct GUID *)ldb_get_opaque(ldb, "cache.invocation_id");
1373 if (invocation_id) {
1374 return invocation_id;
1377 tmp_ctx = talloc_new(ldb);
1378 if (tmp_ctx == NULL) {
1382 ret = ldb_search(ldb, tmp_ctx, &res, samdb_ntds_settings_dn(ldb), LDB_SCOPE_BASE, attrs, NULL);
1387 if (res->count != 1) {
1391 invocation_id = talloc(tmp_ctx, struct GUID);
1392 if (!invocation_id) {
1396 *invocation_id = samdb_result_guid(res->msgs[0], "invocationId");
1398 /* cache the domain_sid in the ldb */
1399 if (ldb_set_opaque(ldb, "cache.invocation_id", invocation_id) != LDB_SUCCESS) {
1403 talloc_steal(ldb, invocation_id);
1404 talloc_free(tmp_ctx);
1406 return invocation_id;
1409 DEBUG(1,("Failed to find our own NTDS Settings invocationId in the ldb!\n"));
1410 talloc_free(tmp_ctx);
1414 bool samdb_set_ntds_invocation_id(struct ldb_context *ldb, const struct GUID *invocation_id_in)
1416 TALLOC_CTX *tmp_ctx;
1417 struct GUID *invocation_id_new;
1418 struct GUID *invocation_id_old;
1420 /* see if we have a cached copy */
1421 invocation_id_old = (struct GUID *)ldb_get_opaque(ldb,
1422 "cache.invocation_id");
1424 tmp_ctx = talloc_new(ldb);
1425 if (tmp_ctx == NULL) {
1429 invocation_id_new = talloc(tmp_ctx, struct GUID);
1430 if (!invocation_id_new) {
1434 *invocation_id_new = *invocation_id_in;
1436 /* cache the domain_sid in the ldb */
1437 if (ldb_set_opaque(ldb, "cache.invocation_id", invocation_id_new) != LDB_SUCCESS) {
1441 talloc_steal(ldb, invocation_id_new);
1442 talloc_free(tmp_ctx);
1443 talloc_free(invocation_id_old);
1448 DEBUG(1,("Failed to set our own cached invocationId in the ldb!\n"));
1449 talloc_free(tmp_ctx);
1454 work out the ntds settings objectGUID for the current open ldb
1456 const struct GUID *samdb_ntds_objectGUID(struct ldb_context *ldb)
1458 TALLOC_CTX *tmp_ctx;
1459 const char *attrs[] = { "objectGUID", NULL };
1461 struct ldb_result *res;
1462 struct GUID *ntds_guid;
1464 /* see if we have a cached copy */
1465 ntds_guid = (struct GUID *)ldb_get_opaque(ldb, "cache.ntds_guid");
1470 tmp_ctx = talloc_new(ldb);
1471 if (tmp_ctx == NULL) {
1475 ret = ldb_search(ldb, tmp_ctx, &res, samdb_ntds_settings_dn(ldb), LDB_SCOPE_BASE, attrs, NULL);
1480 if (res->count != 1) {
1484 ntds_guid = talloc(tmp_ctx, struct GUID);
1489 *ntds_guid = samdb_result_guid(res->msgs[0], "objectGUID");
1491 /* cache the domain_sid in the ldb */
1492 if (ldb_set_opaque(ldb, "cache.ntds_guid", ntds_guid) != LDB_SUCCESS) {
1496 talloc_steal(ldb, ntds_guid);
1497 talloc_free(tmp_ctx);
1502 DEBUG(1,("Failed to find our own NTDS Settings objectGUID in the ldb!\n"));
1503 talloc_free(tmp_ctx);
1507 bool samdb_set_ntds_objectGUID(struct ldb_context *ldb, const struct GUID *ntds_guid_in)
1509 TALLOC_CTX *tmp_ctx;
1510 struct GUID *ntds_guid_new;
1511 struct GUID *ntds_guid_old;
1513 /* see if we have a cached copy */
1514 ntds_guid_old = (struct GUID *)ldb_get_opaque(ldb, "cache.ntds_guid");
1516 tmp_ctx = talloc_new(ldb);
1517 if (tmp_ctx == NULL) {
1521 ntds_guid_new = talloc(tmp_ctx, struct GUID);
1522 if (!ntds_guid_new) {
1526 *ntds_guid_new = *ntds_guid_in;
1528 /* cache the domain_sid in the ldb */
1529 if (ldb_set_opaque(ldb, "cache.ntds_guid", ntds_guid_new) != LDB_SUCCESS) {
1533 talloc_steal(ldb, ntds_guid_new);
1534 talloc_free(tmp_ctx);
1535 talloc_free(ntds_guid_old);
1540 DEBUG(1,("Failed to set our own cached invocationId in the ldb!\n"));
1541 talloc_free(tmp_ctx);
1546 work out the server dn for the current open ldb
1548 struct ldb_dn *samdb_server_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
1550 return ldb_dn_get_parent(mem_ctx, samdb_ntds_settings_dn(ldb));
1554 work out the server dn for the current open ldb
1556 struct ldb_dn *samdb_server_site_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
1558 struct ldb_dn *server_dn;
1559 struct ldb_dn *servers_dn;
1560 struct ldb_dn *server_site_dn;
1562 /* TODO: there must be a saner way to do this!! */
1563 server_dn = samdb_server_dn(ldb, mem_ctx);
1564 if (!server_dn) return NULL;
1566 servers_dn = ldb_dn_get_parent(mem_ctx, server_dn);
1567 talloc_free(server_dn);
1568 if (!servers_dn) return NULL;
1570 server_site_dn = ldb_dn_get_parent(mem_ctx, servers_dn);
1571 talloc_free(servers_dn);
1573 return server_site_dn;
1577 find the site name from a computers DN record
1579 int samdb_find_site_for_computer(struct ldb_context *ldb,
1580 TALLOC_CTX *mem_ctx, struct ldb_dn *computer_dn,
1581 const char **site_name)
1585 const struct ldb_val *rdn_val;
1589 ret = samdb_reference_dn(ldb, mem_ctx, computer_dn, "serverReferenceBL", &dn);
1590 if (ret != LDB_SUCCESS) {
1594 if (!ldb_dn_remove_child_components(dn, 2)) {
1596 return LDB_ERR_INVALID_DN_SYNTAX;
1599 rdn_val = ldb_dn_get_rdn_val(dn);
1600 if (rdn_val == NULL) {
1601 return LDB_ERR_OPERATIONS_ERROR;
1604 (*site_name) = talloc_strndup(mem_ctx, (const char *)rdn_val->data, rdn_val->length);
1607 return LDB_ERR_OPERATIONS_ERROR;
1613 find the NTDS GUID from a computers DN record
1615 int samdb_find_ntdsguid_for_computer(struct ldb_context *ldb, struct ldb_dn *computer_dn,
1616 struct GUID *ntds_guid)
1621 *ntds_guid = GUID_zero();
1623 ret = samdb_reference_dn(ldb, ldb, computer_dn, "serverReferenceBL", &dn);
1624 if (ret != LDB_SUCCESS) {
1628 if (!ldb_dn_add_child_fmt(dn, "CN=NTDS Settings")) {
1630 return LDB_ERR_OPERATIONS_ERROR;
1633 ret = dsdb_find_guid_by_dn(ldb, dn, ntds_guid);
1639 find a 'reference' DN that points at another object
1640 (eg. serverReference, rIDManagerReference etc)
1642 int samdb_reference_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct ldb_dn *base,
1643 const char *attribute, struct ldb_dn **dn)
1645 const char *attrs[2];
1646 struct ldb_result *res;
1649 attrs[0] = attribute;
1652 ret = dsdb_search(ldb, mem_ctx, &res, base, LDB_SCOPE_BASE, attrs, DSDB_SEARCH_ONE_ONLY, NULL);
1653 if (ret != LDB_SUCCESS) {
1657 *dn = ldb_msg_find_attr_as_dn(ldb, mem_ctx, res->msgs[0], attribute);
1659 if (!ldb_msg_find_element(res->msgs[0], attribute)) {
1660 ldb_asprintf_errstring(ldb, "Cannot find attribute %s of %s to calculate reference dn", attribute,
1661 ldb_dn_get_linearized(base));
1663 ldb_asprintf_errstring(ldb, "Cannot interpret attribute %s of %s as a dn", attribute,
1664 ldb_dn_get_linearized(base));
1667 return LDB_ERR_NO_SUCH_ATTRIBUTE;
1675 find our machine account via the serverReference attribute in the
1678 int samdb_server_reference_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct ldb_dn **dn)
1680 struct ldb_dn *server_dn;
1683 server_dn = samdb_server_dn(ldb, mem_ctx);
1684 if (server_dn == NULL) {
1685 return LDB_ERR_NO_SUCH_OBJECT;
1688 ret = samdb_reference_dn(ldb, mem_ctx, server_dn, "serverReference", dn);
1689 talloc_free(server_dn);
1695 find the RID Manager$ DN via the rIDManagerReference attribute in the
1698 int samdb_rid_manager_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct ldb_dn **dn)
1700 return samdb_reference_dn(ldb, mem_ctx, ldb_get_default_basedn(ldb),
1701 "rIDManagerReference", dn);
1705 find the RID Set DN via the rIDSetReferences attribute in our
1708 int samdb_rid_set_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct ldb_dn **dn)
1710 struct ldb_dn *server_ref_dn;
1713 ret = samdb_server_reference_dn(ldb, mem_ctx, &server_ref_dn);
1714 if (ret != LDB_SUCCESS) {
1717 ret = samdb_reference_dn(ldb, mem_ctx, server_ref_dn, "rIDSetReferences", dn);
1718 talloc_free(server_ref_dn);
1722 const char *samdb_server_site_name(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
1724 const struct ldb_val *val = ldb_dn_get_rdn_val(samdb_server_site_dn(ldb,
1731 return (const char *) val->data;
1735 * Finds the client site by using the client's IP address.
1736 * The "subnet_name" returns the name of the subnet if parameter != NULL
1738 const char *samdb_client_site_name(struct ldb_context *ldb, TALLOC_CTX *mem_ctx,
1739 const char *ip_address, char **subnet_name)
1741 const char *attrs[] = { "cn", "siteObject", NULL };
1742 struct ldb_dn *sites_container_dn, *subnets_dn, *sites_dn;
1743 struct ldb_result *res;
1744 const struct ldb_val *val;
1745 const char *site_name = NULL, *l_subnet_name = NULL;
1746 const char *allow_list[2] = { NULL, NULL };
1747 unsigned int i, count;
1751 * if we don't have a client ip e.g. ncalrpc
1752 * the server site is the client site
1754 if (ip_address == NULL) {
1755 return samdb_server_site_name(ldb, mem_ctx);
1758 sites_container_dn = samdb_sites_dn(ldb, mem_ctx);
1759 if (sites_container_dn == NULL) {
1763 subnets_dn = ldb_dn_copy(mem_ctx, sites_container_dn);
1764 if ( ! ldb_dn_add_child_fmt(subnets_dn, "CN=Subnets")) {
1765 talloc_free(sites_container_dn);
1766 talloc_free(subnets_dn);
1770 ret = ldb_search(ldb, mem_ctx, &res, subnets_dn, LDB_SCOPE_ONELEVEL,
1772 if (ret == LDB_ERR_NO_SUCH_OBJECT) {
1774 } else if (ret != LDB_SUCCESS) {
1775 talloc_free(sites_container_dn);
1776 talloc_free(subnets_dn);
1782 for (i = 0; i < count; i++) {
1783 l_subnet_name = ldb_msg_find_attr_as_string(res->msgs[i], "cn",
1786 allow_list[0] = l_subnet_name;
1788 if (allow_access(mem_ctx, NULL, allow_list, "", ip_address)) {
1789 sites_dn = ldb_msg_find_attr_as_dn(ldb, mem_ctx,
1792 if (sites_dn == NULL) {
1793 /* No reference, maybe another subnet matches */
1797 /* "val" cannot be NULL here since "sites_dn" != NULL */
1798 val = ldb_dn_get_rdn_val(sites_dn);
1799 site_name = talloc_strdup(mem_ctx,
1800 (const char *) val->data);
1802 talloc_free(sites_dn);
1808 if (site_name == NULL) {
1809 /* This is the Windows Server fallback rule: when no subnet
1810 * exists and we have only one site available then use it (it
1811 * is for sure the same as our server site). If more sites do
1812 * exist then we don't know which one to use and set the site
1814 cnt = samdb_search_count(ldb, mem_ctx, sites_container_dn,
1815 "(objectClass=site)");
1817 site_name = samdb_server_site_name(ldb, mem_ctx);
1819 site_name = talloc_strdup(mem_ctx, "");
1821 l_subnet_name = NULL;
1824 if (subnet_name != NULL) {
1825 *subnet_name = talloc_strdup(mem_ctx, l_subnet_name);
1828 talloc_free(sites_container_dn);
1829 talloc_free(subnets_dn);
1836 work out if we are the PDC for the domain of the current open ldb
1838 bool samdb_is_pdc(struct ldb_context *ldb)
1840 const char *dom_attrs[] = { "fSMORoleOwner", NULL };
1842 struct ldb_result *dom_res;
1843 TALLOC_CTX *tmp_ctx;
1847 tmp_ctx = talloc_new(ldb);
1848 if (tmp_ctx == NULL) {
1849 DEBUG(1, ("talloc_new failed in samdb_is_pdc"));
1853 ret = ldb_search(ldb, tmp_ctx, &dom_res, ldb_get_default_basedn(ldb), LDB_SCOPE_BASE, dom_attrs, NULL);
1854 if (ret != LDB_SUCCESS) {
1855 DEBUG(1,("Searching for fSMORoleOwner in %s failed: %s\n",
1856 ldb_dn_get_linearized(ldb_get_default_basedn(ldb)),
1857 ldb_errstring(ldb)));
1860 if (dom_res->count != 1) {
1864 pdc = ldb_msg_find_attr_as_dn(ldb, tmp_ctx, dom_res->msgs[0], "fSMORoleOwner");
1866 if (ldb_dn_compare(samdb_ntds_settings_dn(ldb), pdc) == 0) {
1872 talloc_free(tmp_ctx);
1877 DEBUG(1,("Failed to find if we are the PDC for this ldb\n"));
1878 talloc_free(tmp_ctx);
1883 work out if we are a Global Catalog server for the domain of the current open ldb
1885 bool samdb_is_gc(struct ldb_context *ldb)
1887 const char *attrs[] = { "options", NULL };
1889 struct ldb_result *res;
1890 TALLOC_CTX *tmp_ctx;
1892 tmp_ctx = talloc_new(ldb);
1893 if (tmp_ctx == NULL) {
1894 DEBUG(1, ("talloc_new failed in samdb_is_pdc"));
1898 /* Query cn=ntds settings,.... */
1899 ret = ldb_search(ldb, tmp_ctx, &res, samdb_ntds_settings_dn(ldb), LDB_SCOPE_BASE, attrs, NULL);
1900 if (ret != LDB_SUCCESS) {
1901 talloc_free(tmp_ctx);
1904 if (res->count != 1) {
1905 talloc_free(tmp_ctx);
1909 options = ldb_msg_find_attr_as_int(res->msgs[0], "options", 0);
1910 talloc_free(tmp_ctx);
1912 /* if options attribute has the 0x00000001 flag set, then enable the global catlog */
1913 if (options & DS_NTDSDSA_OPT_IS_GC) {
1919 /* Find a domain object in the parents of a particular DN. */
1920 int samdb_search_for_parent_domain(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct ldb_dn *dn,
1921 struct ldb_dn **parent_dn, const char **errstring)
1923 TALLOC_CTX *local_ctx;
1924 struct ldb_dn *sdn = dn;
1925 struct ldb_result *res = NULL;
1926 int ret = LDB_SUCCESS;
1927 const char *attrs[] = { NULL };
1929 local_ctx = talloc_new(mem_ctx);
1930 if (local_ctx == NULL) return ldb_oom(ldb);
1932 while ((sdn = ldb_dn_get_parent(local_ctx, sdn))) {
1933 ret = ldb_search(ldb, local_ctx, &res, sdn, LDB_SCOPE_BASE, attrs,
1934 "(|(objectClass=domain)(objectClass=builtinDomain))");
1935 if (ret == LDB_SUCCESS) {
1936 if (res->count == 1) {
1944 if (ret != LDB_SUCCESS) {
1945 *errstring = talloc_asprintf(mem_ctx, "Error searching for parent domain of %s, failed searching for %s: %s",
1946 ldb_dn_get_linearized(dn),
1947 ldb_dn_get_linearized(sdn),
1948 ldb_errstring(ldb));
1949 talloc_free(local_ctx);
1952 if (res->count != 1) {
1953 *errstring = talloc_asprintf(mem_ctx, "Invalid dn (%s), not child of a domain object",
1954 ldb_dn_get_linearized(dn));
1955 DEBUG(0,(__location__ ": %s\n", *errstring));
1956 talloc_free(local_ctx);
1957 return LDB_ERR_CONSTRAINT_VIOLATION;
1960 *parent_dn = talloc_steal(mem_ctx, res->msgs[0]->dn);
1961 talloc_free(local_ctx);
1967 * Performs checks on a user password (plaintext UNIX format - attribute
1968 * "password"). The remaining parameters have to be extracted from the domain
1971 * Result codes from "enum samr_ValidationStatus" (consider "samr.idl")
1973 enum samr_ValidationStatus samdb_check_password(const DATA_BLOB *password,
1974 const uint32_t pwdProperties,
1975 const uint32_t minPwdLength)
1977 /* checks if the "minPwdLength" property is satisfied */
1978 if (minPwdLength > password->length)
1979 return SAMR_VALIDATION_STATUS_PWD_TOO_SHORT;
1981 /* checks the password complexity */
1982 if (((pwdProperties & DOMAIN_PASSWORD_COMPLEX) != 0)
1983 && (password->data != NULL)
1984 && (!check_password_quality((const char *) password->data)))
1985 return SAMR_VALIDATION_STATUS_NOT_COMPLEX_ENOUGH;
1987 return SAMR_VALIDATION_STATUS_SUCCESS;
1991 * Callback for "samdb_set_password" password change
1993 int samdb_set_password_callback(struct ldb_request *req, struct ldb_reply *ares)
1998 return ldb_request_done(req, LDB_ERR_OPERATIONS_ERROR);
2001 if (ares->error != LDB_SUCCESS) {
2003 req->context = talloc_steal(req,
2004 ldb_reply_get_control(ares, DSDB_CONTROL_PASSWORD_CHANGE_STATUS_OID));
2006 return ldb_request_done(req, ret);
2009 if (ares->type != LDB_REPLY_DONE) {
2011 return ldb_request_done(req, LDB_ERR_OPERATIONS_ERROR);
2014 req->context = talloc_steal(req,
2015 ldb_reply_get_control(ares, DSDB_CONTROL_PASSWORD_CHANGE_STATUS_OID));
2017 return ldb_request_done(req, LDB_SUCCESS);
2021 * Sets the user password using plaintext UTF16 (attribute "new_password") or
2022 * LM (attribute "lmNewHash") or NT (attribute "ntNewHash") hash. Also pass
2023 * the old LM and/or NT hash (attributes "lmOldHash"/"ntOldHash") if it is a
2024 * user change or not. The "rejectReason" gives some more information if the
2027 * Results: NT_STATUS_OK, NT_STATUS_INVALID_PARAMETER, NT_STATUS_UNSUCCESSFUL,
2028 * NT_STATUS_WRONG_PASSWORD, NT_STATUS_PASSWORD_RESTRICTION
2030 NTSTATUS samdb_set_password(struct ldb_context *ldb, TALLOC_CTX *mem_ctx,
2031 struct ldb_dn *user_dn, struct ldb_dn *domain_dn,
2032 const DATA_BLOB *new_password,
2033 const struct samr_Password *lmNewHash,
2034 const struct samr_Password *ntNewHash,
2035 const struct samr_Password *lmOldHash,
2036 const struct samr_Password *ntOldHash,
2037 enum samPwdChangeReason *reject_reason,
2038 struct samr_DomInfo1 **_dominfo)
2040 struct ldb_message *msg;
2041 struct ldb_message_element *el;
2042 struct ldb_request *req;
2043 struct dsdb_control_password_change_status *pwd_stat = NULL;
2045 NTSTATUS status = NT_STATUS_OK;
2047 #define CHECK_RET(x) \
2048 if (x != LDB_SUCCESS) { \
2050 return NT_STATUS_NO_MEMORY; \
2053 msg = ldb_msg_new(mem_ctx);
2055 return NT_STATUS_NO_MEMORY;
2058 if ((new_password != NULL)
2059 && ((lmNewHash == NULL) && (ntNewHash == NULL))) {
2060 /* we have the password as plaintext UTF16 */
2061 CHECK_RET(ldb_msg_add_value(msg, "clearTextPassword",
2062 new_password, NULL));
2063 el = ldb_msg_find_element(msg, "clearTextPassword");
2064 el->flags = LDB_FLAG_MOD_REPLACE;
2065 } else if ((new_password == NULL)
2066 && ((lmNewHash != NULL) || (ntNewHash != NULL))) {
2067 /* we have a password as LM and/or NT hash */
2068 if (lmNewHash != NULL) {
2069 CHECK_RET(samdb_msg_add_hash(ldb, mem_ctx, msg,
2070 "dBCSPwd", lmNewHash));
2071 el = ldb_msg_find_element(msg, "dBCSPwd");
2072 el->flags = LDB_FLAG_MOD_REPLACE;
2074 if (ntNewHash != NULL) {
2075 CHECK_RET(samdb_msg_add_hash(ldb, mem_ctx, msg,
2076 "unicodePwd", ntNewHash));
2077 el = ldb_msg_find_element(msg, "unicodePwd");
2078 el->flags = LDB_FLAG_MOD_REPLACE;
2081 /* the password wasn't specified correctly */
2083 return NT_STATUS_INVALID_PARAMETER;
2086 /* build modify request */
2087 ret = ldb_build_mod_req(&req, ldb, mem_ctx, msg, NULL, NULL,
2088 samdb_set_password_callback, NULL);
2089 if (ret != LDB_SUCCESS) {
2091 return NT_STATUS_NO_MEMORY;
2094 /* A password change operation */
2095 if ((ntOldHash != NULL) || (lmOldHash != NULL)) {
2096 struct dsdb_control_password_change *change;
2098 change = talloc(req, struct dsdb_control_password_change);
2099 if (change == NULL) {
2102 return NT_STATUS_NO_MEMORY;
2105 change->old_nt_pwd_hash = ntOldHash;
2106 change->old_lm_pwd_hash = lmOldHash;
2108 ret = ldb_request_add_control(req,
2109 DSDB_CONTROL_PASSWORD_CHANGE_OID,
2111 if (ret != LDB_SUCCESS) {
2114 return NT_STATUS_NO_MEMORY;
2117 ret = ldb_request_add_control(req,
2118 DSDB_CONTROL_PASSWORD_HASH_VALUES_OID,
2120 if (ret != LDB_SUCCESS) {
2123 return NT_STATUS_NO_MEMORY;
2125 ret = ldb_request_add_control(req,
2126 DSDB_CONTROL_PASSWORD_CHANGE_STATUS_OID,
2128 if (ret != LDB_SUCCESS) {
2131 return NT_STATUS_NO_MEMORY;
2134 ret = dsdb_autotransaction_request(ldb, req);
2136 if (req->context != NULL) {
2137 pwd_stat = talloc_steal(mem_ctx,
2138 ((struct ldb_control *)req->context)->data);
2144 /* Sets the domain info (if requested) */
2145 if (_dominfo != NULL) {
2146 struct samr_DomInfo1 *dominfo;
2148 dominfo = talloc_zero(mem_ctx, struct samr_DomInfo1);
2149 if (dominfo == NULL) {
2150 return NT_STATUS_NO_MEMORY;
2153 if (pwd_stat != NULL) {
2154 dominfo->min_password_length = pwd_stat->domain_data.minPwdLength;
2155 dominfo->password_properties = pwd_stat->domain_data.pwdProperties;
2156 dominfo->password_history_length = pwd_stat->domain_data.pwdHistoryLength;
2157 dominfo->max_password_age = pwd_stat->domain_data.maxPwdAge;
2158 dominfo->min_password_age = pwd_stat->domain_data.minPwdAge;
2161 *_dominfo = dominfo;
2164 if (reject_reason != NULL) {
2165 if (pwd_stat != NULL) {
2166 *reject_reason = pwd_stat->reject_reason;
2168 *reject_reason = SAM_PWD_CHANGE_NO_ERROR;
2172 if (pwd_stat != NULL) {
2173 talloc_free(pwd_stat);
2176 if (ret == LDB_ERR_CONSTRAINT_VIOLATION) {
2177 const char *errmsg = ldb_errstring(ldb);
2178 char *endptr = NULL;
2179 WERROR werr = WERR_GENERAL_FAILURE;
2180 status = NT_STATUS_UNSUCCESSFUL;
2181 if (errmsg != NULL) {
2182 werr = W_ERROR(strtol(errmsg, &endptr, 16));
2184 if (endptr != errmsg) {
2185 if (W_ERROR_EQUAL(werr, WERR_INVALID_PASSWORD)) {
2186 status = NT_STATUS_WRONG_PASSWORD;
2188 if (W_ERROR_EQUAL(werr, WERR_PASSWORD_RESTRICTION)) {
2189 status = NT_STATUS_PASSWORD_RESTRICTION;
2192 } else if (ret == LDB_ERR_NO_SUCH_OBJECT) {
2193 /* don't let the caller know if an account doesn't exist */
2194 status = NT_STATUS_WRONG_PASSWORD;
2195 } else if (ret != LDB_SUCCESS) {
2196 status = NT_STATUS_UNSUCCESSFUL;
2203 * Sets the user password using plaintext UTF16 (attribute "new_password") or
2204 * LM (attribute "lmNewHash") or NT (attribute "ntNewHash") hash. Also pass
2205 * the old LM and/or NT hash (attributes "lmOldHash"/"ntOldHash") if it is a
2206 * user change or not. The "rejectReason" gives some more information if the
2209 * This wrapper function for "samdb_set_password" takes a SID as input rather
2212 * This call encapsulates a new LDB transaction for changing the password;
2213 * therefore the user hasn't to start a new one.
2215 * Results: NT_STATUS_OK, NT_STATUS_INTERNAL_DB_CORRUPTION,
2216 * NT_STATUS_INVALID_PARAMETER, NT_STATUS_UNSUCCESSFUL,
2217 * NT_STATUS_WRONG_PASSWORD, NT_STATUS_PASSWORD_RESTRICTION,
2218 * NT_STATUS_TRANSACTION_ABORTED, NT_STATUS_NO_SUCH_USER
2220 NTSTATUS samdb_set_password_sid(struct ldb_context *ldb, TALLOC_CTX *mem_ctx,
2221 const struct dom_sid *user_sid,
2222 const DATA_BLOB *new_password,
2223 const struct samr_Password *lmNewHash,
2224 const struct samr_Password *ntNewHash,
2225 const struct samr_Password *lmOldHash,
2226 const struct samr_Password *ntOldHash,
2227 enum samPwdChangeReason *reject_reason,
2228 struct samr_DomInfo1 **_dominfo)
2231 struct ldb_dn *user_dn;
2234 ret = ldb_transaction_start(ldb);
2235 if (ret != LDB_SUCCESS) {
2236 DEBUG(1, ("Failed to start transaction: %s\n", ldb_errstring(ldb)));
2237 return NT_STATUS_TRANSACTION_ABORTED;
2240 user_dn = samdb_search_dn(ldb, mem_ctx, NULL,
2241 "(&(objectSid=%s)(objectClass=user))",
2242 ldap_encode_ndr_dom_sid(mem_ctx, user_sid));
2244 ldb_transaction_cancel(ldb);
2245 DEBUG(3, ("samdb_set_password_sid: SID %s not found in samdb, returning NO_SUCH_USER\n",
2246 dom_sid_string(mem_ctx, user_sid)));
2247 return NT_STATUS_NO_SUCH_USER;
2250 nt_status = samdb_set_password(ldb, mem_ctx,
2253 lmNewHash, ntNewHash,
2254 lmOldHash, ntOldHash,
2255 reject_reason, _dominfo);
2256 if (!NT_STATUS_IS_OK(nt_status)) {
2257 ldb_transaction_cancel(ldb);
2258 talloc_free(user_dn);
2262 ret = ldb_transaction_commit(ldb);
2263 if (ret != LDB_SUCCESS) {
2264 DEBUG(0,("Failed to commit transaction to change password on %s: %s\n",
2265 ldb_dn_get_linearized(user_dn),
2266 ldb_errstring(ldb)));
2267 talloc_free(user_dn);
2268 return NT_STATUS_TRANSACTION_ABORTED;
2271 talloc_free(user_dn);
2272 return NT_STATUS_OK;
2276 NTSTATUS samdb_create_foreign_security_principal(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx,
2277 struct dom_sid *sid, struct ldb_dn **ret_dn)
2279 struct ldb_message *msg;
2280 struct ldb_dn *basedn;
2284 sidstr = dom_sid_string(mem_ctx, sid);
2285 NT_STATUS_HAVE_NO_MEMORY(sidstr);
2287 /* We might have to create a ForeignSecurityPrincipal, even if this user
2288 * is in our own domain */
2290 msg = ldb_msg_new(sidstr);
2292 talloc_free(sidstr);
2293 return NT_STATUS_NO_MEMORY;
2296 ret = dsdb_wellknown_dn(sam_ctx, sidstr,
2297 ldb_get_default_basedn(sam_ctx),
2298 DS_GUID_FOREIGNSECURITYPRINCIPALS_CONTAINER,
2300 if (ret != LDB_SUCCESS) {
2301 DEBUG(0, ("Failed to find DN for "
2302 "ForeignSecurityPrincipal container - %s\n", ldb_errstring(sam_ctx)));
2303 talloc_free(sidstr);
2304 return NT_STATUS_INTERNAL_DB_CORRUPTION;
2307 /* add core elements to the ldb_message for the alias */
2309 if ( ! ldb_dn_add_child_fmt(msg->dn, "CN=%s", sidstr)) {
2310 talloc_free(sidstr);
2311 return NT_STATUS_NO_MEMORY;
2314 ret = samdb_msg_add_string(sam_ctx, msg, msg,
2315 "objectClass", "foreignSecurityPrincipal");
2316 if (ret != LDB_SUCCESS) {
2317 talloc_free(sidstr);
2318 return NT_STATUS_NO_MEMORY;
2321 /* create the alias */
2322 ret = ldb_add(sam_ctx, msg);
2323 if (ret != LDB_SUCCESS) {
2324 DEBUG(0,("Failed to create foreignSecurityPrincipal "
2326 ldb_dn_get_linearized(msg->dn),
2327 ldb_errstring(sam_ctx)));
2328 talloc_free(sidstr);
2329 return NT_STATUS_INTERNAL_DB_CORRUPTION;
2332 *ret_dn = talloc_steal(mem_ctx, msg->dn);
2333 talloc_free(sidstr);
2335 return NT_STATUS_OK;
2340 Find the DN of a domain, assuming it to be a dotted.dns name
2343 struct ldb_dn *samdb_dns_domain_to_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, const char *dns_domain)
2346 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
2347 const char *binary_encoded;
2348 const char **split_realm;
2355 split_realm = (const char **)str_list_make(tmp_ctx, dns_domain, ".");
2357 talloc_free(tmp_ctx);
2360 dn = ldb_dn_new(mem_ctx, ldb, NULL);
2361 for (i=0; split_realm[i]; i++) {
2362 binary_encoded = ldb_binary_encode_string(tmp_ctx, split_realm[i]);
2363 if (!ldb_dn_add_base_fmt(dn, "dc=%s", binary_encoded)) {
2364 DEBUG(2, ("Failed to add dc=%s element to DN %s\n",
2365 binary_encoded, ldb_dn_get_linearized(dn)));
2366 talloc_free(tmp_ctx);
2370 if (!ldb_dn_validate(dn)) {
2371 DEBUG(2, ("Failed to validated DN %s\n",
2372 ldb_dn_get_linearized(dn)));
2373 talloc_free(tmp_ctx);
2376 talloc_free(tmp_ctx);
2381 Find the DN of a domain, be it the netbios or DNS name
2383 struct ldb_dn *samdb_domain_to_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx,
2384 const char *domain_name)
2386 const char * const domain_ref_attrs[] = {
2389 const char * const domain_ref2_attrs[] = {
2392 struct ldb_result *res_domain_ref;
2393 char *escaped_domain = ldb_binary_encode_string(mem_ctx, domain_name);
2394 /* find the domain's DN */
2395 int ret_domain = ldb_search(ldb, mem_ctx,
2397 samdb_partitions_dn(ldb, mem_ctx),
2400 "(&(nETBIOSName=%s)(objectclass=crossRef))",
2402 if (ret_domain != LDB_SUCCESS) {
2406 if (res_domain_ref->count == 0) {
2407 ret_domain = ldb_search(ldb, mem_ctx,
2409 samdb_dns_domain_to_dn(ldb, mem_ctx, domain_name),
2412 "(objectclass=domain)");
2413 if (ret_domain != LDB_SUCCESS) {
2417 if (res_domain_ref->count == 1) {
2418 return res_domain_ref->msgs[0]->dn;
2423 if (res_domain_ref->count > 1) {
2424 DEBUG(0,("Found %d records matching domain [%s]\n",
2425 ret_domain, domain_name));
2429 return samdb_result_dn(ldb, mem_ctx, res_domain_ref->msgs[0], "nCName", NULL);
2435 use a GUID to find a DN
2437 int dsdb_find_dn_by_guid(struct ldb_context *ldb,
2438 TALLOC_CTX *mem_ctx,
2439 const struct GUID *guid, struct ldb_dn **dn)
2442 struct ldb_result *res;
2443 const char *attrs[] = { NULL };
2444 char *guid_str = GUID_string(mem_ctx, guid);
2447 return ldb_operr(ldb);
2450 ret = dsdb_search(ldb, mem_ctx, &res, NULL, LDB_SCOPE_SUBTREE, attrs,
2451 DSDB_SEARCH_SEARCH_ALL_PARTITIONS |
2452 DSDB_SEARCH_SHOW_EXTENDED_DN |
2453 DSDB_SEARCH_ONE_ONLY,
2454 "objectGUID=%s", guid_str);
2455 talloc_free(guid_str);
2456 if (ret != LDB_SUCCESS) {
2460 *dn = talloc_steal(mem_ctx, res->msgs[0]->dn);
2467 use a DN to find a GUID with a given attribute name
2469 int dsdb_find_guid_attr_by_dn(struct ldb_context *ldb,
2470 struct ldb_dn *dn, const char *attribute,
2474 struct ldb_result *res;
2475 const char *attrs[2];
2476 TALLOC_CTX *tmp_ctx = talloc_new(ldb);
2478 attrs[0] = attribute;
2481 ret = dsdb_search_dn(ldb, tmp_ctx, &res, dn, attrs,
2482 DSDB_SEARCH_SHOW_DELETED |
2483 DSDB_SEARCH_SHOW_RECYCLED);
2484 if (ret != LDB_SUCCESS) {
2485 talloc_free(tmp_ctx);
2488 if (res->count < 1) {
2489 talloc_free(tmp_ctx);
2490 return LDB_ERR_NO_SUCH_OBJECT;
2492 *guid = samdb_result_guid(res->msgs[0], attribute);
2493 talloc_free(tmp_ctx);
2498 use a DN to find a GUID
2500 int dsdb_find_guid_by_dn(struct ldb_context *ldb,
2501 struct ldb_dn *dn, struct GUID *guid)
2503 return dsdb_find_guid_attr_by_dn(ldb, dn, "objectGUID", guid);
2509 adds the given GUID to the given ldb_message. This value is added
2510 for the given attr_name (may be either "objectGUID" or "parentGUID").
2512 int dsdb_msg_add_guid(struct ldb_message *msg,
2514 const char *attr_name)
2519 TALLOC_CTX *tmp_ctx = talloc_init("dsdb_msg_add_guid");
2521 status = GUID_to_ndr_blob(guid, tmp_ctx, &v);
2522 if (!NT_STATUS_IS_OK(status)) {
2523 ret = LDB_ERR_OPERATIONS_ERROR;
2527 ret = ldb_msg_add_steal_value(msg, attr_name, &v);
2528 if (ret != LDB_SUCCESS) {
2529 DEBUG(4,(__location__ ": Failed to add %s to the message\n",
2537 talloc_free(tmp_ctx);
2544 use a DN to find a SID
2546 int dsdb_find_sid_by_dn(struct ldb_context *ldb,
2547 struct ldb_dn *dn, struct dom_sid *sid)
2550 struct ldb_result *res;
2551 const char *attrs[] = { "objectSid", NULL };
2552 TALLOC_CTX *tmp_ctx = talloc_new(ldb);
2557 ret = dsdb_search_dn(ldb, tmp_ctx, &res, dn, attrs,
2558 DSDB_SEARCH_SHOW_DELETED |
2559 DSDB_SEARCH_SHOW_RECYCLED);
2560 if (ret != LDB_SUCCESS) {
2561 talloc_free(tmp_ctx);
2564 if (res->count < 1) {
2565 talloc_free(tmp_ctx);
2566 return LDB_ERR_NO_SUCH_OBJECT;
2568 s = samdb_result_dom_sid(tmp_ctx, res->msgs[0], "objectSid");
2570 talloc_free(tmp_ctx);
2571 return LDB_ERR_NO_SUCH_OBJECT;
2574 talloc_free(tmp_ctx);
2579 use a SID to find a DN
2581 int dsdb_find_dn_by_sid(struct ldb_context *ldb,
2582 TALLOC_CTX *mem_ctx,
2583 struct dom_sid *sid, struct ldb_dn **dn)
2586 struct ldb_result *res;
2587 const char *attrs[] = { NULL };
2588 char *sid_str = ldap_encode_ndr_dom_sid(mem_ctx, sid);
2591 return ldb_operr(ldb);
2594 ret = dsdb_search(ldb, mem_ctx, &res, NULL, LDB_SCOPE_SUBTREE, attrs,
2595 DSDB_SEARCH_SEARCH_ALL_PARTITIONS |
2596 DSDB_SEARCH_SHOW_EXTENDED_DN |
2597 DSDB_SEARCH_ONE_ONLY,
2598 "objectSid=%s", sid_str);
2599 talloc_free(sid_str);
2600 if (ret != LDB_SUCCESS) {
2604 *dn = talloc_steal(mem_ctx, res->msgs[0]->dn);
2611 load a repsFromTo blob list for a given partition GUID
2612 attr must be "repsFrom" or "repsTo"
2614 WERROR dsdb_loadreps(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx, struct ldb_dn *dn,
2615 const char *attr, struct repsFromToBlob **r, uint32_t *count)
2617 const char *attrs[] = { attr, NULL };
2618 struct ldb_result *res = NULL;
2619 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
2621 struct ldb_message_element *el;
2626 if (ldb_search(sam_ctx, tmp_ctx, &res, dn, LDB_SCOPE_BASE, attrs, NULL) != LDB_SUCCESS ||
2628 DEBUG(0,("dsdb_loadreps: failed to read partition object\n"));
2629 talloc_free(tmp_ctx);
2630 return WERR_DS_DRA_INTERNAL_ERROR;
2633 el = ldb_msg_find_element(res->msgs[0], attr);
2635 /* it's OK to be empty */
2636 talloc_free(tmp_ctx);
2640 *count = el->num_values;
2641 *r = talloc_array(mem_ctx, struct repsFromToBlob, *count);
2643 talloc_free(tmp_ctx);
2644 return WERR_DS_DRA_INTERNAL_ERROR;
2647 for (i=0; i<(*count); i++) {
2648 enum ndr_err_code ndr_err;
2649 ndr_err = ndr_pull_struct_blob(&el->values[i],
2652 (ndr_pull_flags_fn_t)ndr_pull_repsFromToBlob);
2653 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
2654 talloc_free(tmp_ctx);
2655 return WERR_DS_DRA_INTERNAL_ERROR;
2659 talloc_free(tmp_ctx);
2665 save the repsFromTo blob list for a given partition GUID
2666 attr must be "repsFrom" or "repsTo"
2668 WERROR dsdb_savereps(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx, struct ldb_dn *dn,
2669 const char *attr, struct repsFromToBlob *r, uint32_t count)
2671 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
2672 struct ldb_message *msg;
2673 struct ldb_message_element *el;
2676 msg = ldb_msg_new(tmp_ctx);
2678 if (ldb_msg_add_empty(msg, attr, LDB_FLAG_MOD_REPLACE, &el) != LDB_SUCCESS) {
2682 el->values = talloc_array(msg, struct ldb_val, count);
2687 for (i=0; i<count; i++) {
2689 enum ndr_err_code ndr_err;
2691 ndr_err = ndr_push_struct_blob(&v, tmp_ctx,
2693 (ndr_push_flags_fn_t)ndr_push_repsFromToBlob);
2694 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
2702 if (ldb_modify(sam_ctx, msg) != LDB_SUCCESS) {
2703 DEBUG(0,("Failed to store %s - %s\n", attr, ldb_errstring(sam_ctx)));
2707 talloc_free(tmp_ctx);
2712 talloc_free(tmp_ctx);
2713 return WERR_DS_DRA_INTERNAL_ERROR;
2718 load the uSNHighest and the uSNUrgent attributes from the @REPLCHANGED
2719 object for a partition
2721 int dsdb_load_partition_usn(struct ldb_context *ldb, struct ldb_dn *dn,
2722 uint64_t *uSN, uint64_t *urgent_uSN)
2724 struct ldb_request *req;
2726 TALLOC_CTX *tmp_ctx = talloc_new(ldb);
2727 struct dsdb_control_current_partition *p_ctrl;
2728 struct ldb_result *res;
2730 res = talloc_zero(tmp_ctx, struct ldb_result);
2732 talloc_free(tmp_ctx);
2733 return ldb_oom(ldb);
2736 ret = ldb_build_search_req(&req, ldb, tmp_ctx,
2737 ldb_dn_new(tmp_ctx, ldb, "@REPLCHANGED"),
2741 res, ldb_search_default_callback,
2743 if (ret != LDB_SUCCESS) {
2744 talloc_free(tmp_ctx);
2748 p_ctrl = talloc(req, struct dsdb_control_current_partition);
2749 if (p_ctrl == NULL) {
2750 talloc_free(tmp_ctx);
2751 return ldb_oom(ldb);
2753 p_ctrl->version = DSDB_CONTROL_CURRENT_PARTITION_VERSION;
2756 ret = ldb_request_add_control(req,
2757 DSDB_CONTROL_CURRENT_PARTITION_OID,
2759 if (ret != LDB_SUCCESS) {
2760 talloc_free(tmp_ctx);
2764 /* Run the new request */
2765 ret = ldb_request(ldb, req);
2767 if (ret == LDB_SUCCESS) {
2768 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
2771 if (ret == LDB_ERR_NO_SUCH_OBJECT || ret == LDB_ERR_INVALID_DN_SYNTAX) {
2772 /* it hasn't been created yet, which means
2773 an implicit value of zero */
2775 talloc_free(tmp_ctx);
2779 if (ret != LDB_SUCCESS) {
2780 talloc_free(tmp_ctx);
2784 if (res->count < 1) {
2790 *uSN = ldb_msg_find_attr_as_uint64(res->msgs[0], "uSNHighest", 0);
2792 *urgent_uSN = ldb_msg_find_attr_as_uint64(res->msgs[0], "uSNUrgent", 0);
2796 talloc_free(tmp_ctx);
2801 int drsuapi_DsReplicaCursor2_compare(const struct drsuapi_DsReplicaCursor2 *c1,
2802 const struct drsuapi_DsReplicaCursor2 *c2)
2804 return GUID_compare(&c1->source_dsa_invocation_id, &c2->source_dsa_invocation_id);
2807 int drsuapi_DsReplicaCursor_compare(const struct drsuapi_DsReplicaCursor *c1,
2808 const struct drsuapi_DsReplicaCursor *c2)
2810 return GUID_compare(&c1->source_dsa_invocation_id, &c2->source_dsa_invocation_id);
2815 see if a computer identified by its invocationId is a RODC
2817 int samdb_is_rodc(struct ldb_context *sam_ctx, const struct GUID *objectGUID, bool *is_rodc)
2819 /* 1) find the DN for this servers NTDSDSA object
2820 2) search for the msDS-isRODC attribute
2821 3) if not present then not a RODC
2822 4) if present and TRUE then is a RODC
2824 struct ldb_dn *config_dn;
2825 const char *attrs[] = { "msDS-isRODC", NULL };
2827 struct ldb_result *res;
2828 TALLOC_CTX *tmp_ctx = talloc_new(sam_ctx);
2830 config_dn = ldb_get_config_basedn(sam_ctx);
2832 talloc_free(tmp_ctx);
2833 return ldb_operr(sam_ctx);
2836 ret = dsdb_search(sam_ctx, tmp_ctx, &res, config_dn, LDB_SCOPE_SUBTREE, attrs,
2837 DSDB_SEARCH_ONE_ONLY, "objectGUID=%s", GUID_string(tmp_ctx, objectGUID));
2839 if (ret == LDB_ERR_NO_SUCH_OBJECT) {
2841 talloc_free(tmp_ctx);
2845 if (ret != LDB_SUCCESS) {
2846 DEBUG(1,(("Failed to find our own NTDS Settings object by objectGUID=%s!\n"),
2847 GUID_string(tmp_ctx, objectGUID)));
2849 talloc_free(tmp_ctx);
2853 ret = ldb_msg_find_attr_as_bool(res->msgs[0], "msDS-isRODC", 0);
2854 *is_rodc = (ret == 1);
2856 talloc_free(tmp_ctx);
2862 see if we are a RODC
2864 int samdb_rodc(struct ldb_context *sam_ctx, bool *am_rodc)
2866 const struct GUID *objectGUID;
2870 /* see if we have a cached copy */
2871 cached = (bool *)ldb_get_opaque(sam_ctx, "cache.am_rodc");
2877 objectGUID = samdb_ntds_objectGUID(sam_ctx);
2879 return ldb_operr(sam_ctx);
2882 ret = samdb_is_rodc(sam_ctx, objectGUID, am_rodc);
2883 if (ret != LDB_SUCCESS) {
2887 cached = talloc(sam_ctx, bool);
2888 if (cached == NULL) {
2889 return ldb_oom(sam_ctx);
2893 ret = ldb_set_opaque(sam_ctx, "cache.am_rodc", cached);
2894 if (ret != LDB_SUCCESS) {
2895 talloc_free(cached);
2896 return ldb_operr(sam_ctx);
2902 bool samdb_set_am_rodc(struct ldb_context *ldb, bool am_rodc)
2904 TALLOC_CTX *tmp_ctx;
2907 tmp_ctx = talloc_new(ldb);
2908 if (tmp_ctx == NULL) {
2912 cached = talloc(tmp_ctx, bool);
2918 if (ldb_set_opaque(ldb, "cache.am_rodc", cached) != LDB_SUCCESS) {
2922 talloc_steal(ldb, cached);
2923 talloc_free(tmp_ctx);
2927 DEBUG(1,("Failed to set our own cached am_rodc in the ldb!\n"));
2928 talloc_free(tmp_ctx);
2934 return NTDS options flags. See MS-ADTS 7.1.1.2.2.1.2.1.1
2936 flags are DS_NTDS_OPTION_*
2938 int samdb_ntds_options(struct ldb_context *ldb, uint32_t *options)
2940 TALLOC_CTX *tmp_ctx;
2941 const char *attrs[] = { "options", NULL };
2943 struct ldb_result *res;
2945 tmp_ctx = talloc_new(ldb);
2946 if (tmp_ctx == NULL) {
2950 ret = ldb_search(ldb, tmp_ctx, &res, samdb_ntds_settings_dn(ldb), LDB_SCOPE_BASE, attrs, NULL);
2951 if (ret != LDB_SUCCESS) {
2955 if (res->count != 1) {
2959 *options = ldb_msg_find_attr_as_uint(res->msgs[0], "options", 0);
2961 talloc_free(tmp_ctx);
2966 DEBUG(1,("Failed to find our own NTDS Settings options in the ldb!\n"));
2967 talloc_free(tmp_ctx);
2968 return LDB_ERR_NO_SUCH_OBJECT;
2971 const char* samdb_ntds_object_category(TALLOC_CTX *tmp_ctx, struct ldb_context *ldb)
2973 const char *attrs[] = { "objectCategory", NULL };
2975 struct ldb_result *res;
2977 ret = ldb_search(ldb, tmp_ctx, &res, samdb_ntds_settings_dn(ldb), LDB_SCOPE_BASE, attrs, NULL);
2978 if (ret != LDB_SUCCESS) {
2982 if (res->count != 1) {
2986 return ldb_msg_find_attr_as_string(res->msgs[0], "objectCategory", NULL);
2989 DEBUG(1,("Failed to find our own NTDS Settings objectCategory in the ldb!\n"));
2994 * Function which generates a "lDAPDisplayName" attribute from a "CN" one.
2995 * Algorithm implemented according to MS-ADTS 3.1.1.2.3.4
2997 const char *samdb_cn_to_lDAPDisplayName(TALLOC_CTX *mem_ctx, const char *cn)
2999 char **tokens, *ret;
3002 tokens = str_list_make(mem_ctx, cn, " -_");
3006 /* "tolower()" and "toupper()" should also work properly on 0x00 */
3007 tokens[0][0] = tolower(tokens[0][0]);
3008 for (i = 1; i < str_list_length((const char **)tokens); i++)
3009 tokens[i][0] = toupper(tokens[i][0]);
3011 ret = talloc_strdup(mem_ctx, tokens[0]);
3012 for (i = 1; i < str_list_length((const char **)tokens); i++)
3013 ret = talloc_asprintf_append_buffer(ret, "%s", tokens[i]);
3015 talloc_free(tokens);
3021 * This detects and returns the domain functional level (DS_DOMAIN_FUNCTION_*)
3023 int dsdb_functional_level(struct ldb_context *ldb)
3025 int *domainFunctionality =
3026 talloc_get_type(ldb_get_opaque(ldb, "domainFunctionality"), int);
3027 if (!domainFunctionality) {
3028 /* this is expected during initial provision */
3029 DEBUG(4,(__location__ ": WARNING: domainFunctionality not setup\n"));
3030 return DS_DOMAIN_FUNCTION_2000;
3032 return *domainFunctionality;
3036 * This detects and returns the forest functional level (DS_DOMAIN_FUNCTION_*)
3038 int dsdb_forest_functional_level(struct ldb_context *ldb)
3040 int *forestFunctionality =
3041 talloc_get_type(ldb_get_opaque(ldb, "forestFunctionality"), int);
3042 if (!forestFunctionality) {
3043 DEBUG(0,(__location__ ": WARNING: forestFunctionality not setup\n"));
3044 return DS_DOMAIN_FUNCTION_2000;
3046 return *forestFunctionality;
3050 set a GUID in an extended DN structure
3052 int dsdb_set_extended_dn_guid(struct ldb_dn *dn, const struct GUID *guid, const char *component_name)
3058 status = GUID_to_ndr_blob(guid, dn, &v);
3059 if (!NT_STATUS_IS_OK(status)) {
3060 return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
3063 ret = ldb_dn_set_extended_component(dn, component_name, &v);
3069 return a GUID from a extended DN structure
3071 NTSTATUS dsdb_get_extended_dn_guid(struct ldb_dn *dn, struct GUID *guid, const char *component_name)
3073 const struct ldb_val *v;
3075 v = ldb_dn_get_extended_component(dn, component_name);
3077 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
3080 return GUID_from_ndr_blob(v, guid);
3084 return a uint64_t from a extended DN structure
3086 NTSTATUS dsdb_get_extended_dn_uint64(struct ldb_dn *dn, uint64_t *val, const char *component_name)
3088 const struct ldb_val *v;
3091 v = ldb_dn_get_extended_component(dn, component_name);
3093 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
3095 s = talloc_strndup(dn, (const char *)v->data, v->length);
3096 NT_STATUS_HAVE_NO_MEMORY(s);
3098 *val = strtoull(s, NULL, 0);
3101 return NT_STATUS_OK;
3105 return a NTTIME from a extended DN structure
3107 NTSTATUS dsdb_get_extended_dn_nttime(struct ldb_dn *dn, NTTIME *nttime, const char *component_name)
3109 return dsdb_get_extended_dn_uint64(dn, nttime, component_name);
3113 return a uint32_t from a extended DN structure
3115 NTSTATUS dsdb_get_extended_dn_uint32(struct ldb_dn *dn, uint32_t *val, const char *component_name)
3117 const struct ldb_val *v;
3120 v = ldb_dn_get_extended_component(dn, component_name);
3122 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
3125 s = talloc_strndup(dn, (const char *)v->data, v->length);
3126 NT_STATUS_HAVE_NO_MEMORY(s);
3128 *val = strtoul(s, NULL, 0);
3131 return NT_STATUS_OK;
3135 return a dom_sid from a extended DN structure
3137 NTSTATUS dsdb_get_extended_dn_sid(struct ldb_dn *dn, struct dom_sid *sid, const char *component_name)
3139 const struct ldb_val *sid_blob;
3140 struct TALLOC_CTX *tmp_ctx;
3141 enum ndr_err_code ndr_err;
3143 sid_blob = ldb_dn_get_extended_component(dn, component_name);
3145 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
3148 tmp_ctx = talloc_new(NULL);
3150 ndr_err = ndr_pull_struct_blob_all(sid_blob, tmp_ctx, sid,
3151 (ndr_pull_flags_fn_t)ndr_pull_dom_sid);
3152 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
3153 NTSTATUS status = ndr_map_error2ntstatus(ndr_err);
3154 talloc_free(tmp_ctx);
3158 talloc_free(tmp_ctx);
3159 return NT_STATUS_OK;
3164 return RMD_FLAGS directly from a ldb_dn
3165 returns 0 if not found
3167 uint32_t dsdb_dn_rmd_flags(struct ldb_dn *dn)
3169 const struct ldb_val *v;
3171 v = ldb_dn_get_extended_component(dn, "RMD_FLAGS");
3172 if (!v || v->length > sizeof(buf)-1) return 0;
3173 strncpy(buf, (const char *)v->data, v->length);
3175 return strtoul(buf, NULL, 10);
3179 return RMD_FLAGS directly from a ldb_val for a DN
3180 returns 0 if RMD_FLAGS is not found
3182 uint32_t dsdb_dn_val_rmd_flags(const struct ldb_val *val)
3188 if (val->length < 13) {
3191 p = memmem(val->data, val->length, "<RMD_FLAGS=", 11);
3195 flags = strtoul(p+11, &end, 10);
3196 if (!end || *end != '>') {
3197 /* it must end in a > */
3204 return true if a ldb_val containing a DN in storage form is deleted
3206 bool dsdb_dn_is_deleted_val(const struct ldb_val *val)
3208 return (dsdb_dn_val_rmd_flags(val) & DSDB_RMD_FLAG_DELETED) != 0;
3212 return true if a ldb_val containing a DN in storage form is
3213 in the upgraded w2k3 linked attribute format
3215 bool dsdb_dn_is_upgraded_link_val(struct ldb_val *val)
3217 return memmem(val->data, val->length, "<RMD_ADDTIME=", 13) != NULL;
3221 return a DN for a wellknown GUID
3223 int dsdb_wellknown_dn(struct ldb_context *samdb, TALLOC_CTX *mem_ctx,
3224 struct ldb_dn *nc_root, const char *wk_guid,
3225 struct ldb_dn **wkguid_dn)
3227 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
3228 const char *attrs[] = { NULL };
3231 struct ldb_result *res;
3233 /* construct the magic WKGUID DN */
3234 dn = ldb_dn_new_fmt(tmp_ctx, samdb, "<WKGUID=%s,%s>",
3235 wk_guid, ldb_dn_get_linearized(nc_root));
3237 talloc_free(tmp_ctx);
3238 return ldb_operr(samdb);
3241 ret = dsdb_search_dn(samdb, tmp_ctx, &res, dn, attrs,
3242 DSDB_SEARCH_SHOW_DELETED |
3243 DSDB_SEARCH_SHOW_RECYCLED);
3244 if (ret != LDB_SUCCESS) {
3245 talloc_free(tmp_ctx);
3249 (*wkguid_dn) = talloc_steal(mem_ctx, res->msgs[0]->dn);
3250 talloc_free(tmp_ctx);
3255 static int dsdb_dn_compare_ptrs(struct ldb_dn **dn1, struct ldb_dn **dn2)
3257 return ldb_dn_compare(*dn1, *dn2);
3261 find a NC root given a DN within the NC
3263 int dsdb_find_nc_root(struct ldb_context *samdb, TALLOC_CTX *mem_ctx, struct ldb_dn *dn,
3264 struct ldb_dn **nc_root)
3266 const char *root_attrs[] = { "namingContexts", NULL };
3267 TALLOC_CTX *tmp_ctx;
3269 struct ldb_message_element *el;
3270 struct ldb_result *root_res;
3272 struct ldb_dn **nc_dns;
3274 tmp_ctx = talloc_new(samdb);
3275 if (tmp_ctx == NULL) {
3276 return ldb_oom(samdb);
3279 ret = ldb_search(samdb, tmp_ctx, &root_res,
3280 ldb_dn_new(tmp_ctx, samdb, ""), LDB_SCOPE_BASE, root_attrs, NULL);
3281 if (ret != LDB_SUCCESS) {
3282 DEBUG(1,("Searching for namingContexts in rootDSE failed: %s\n", ldb_errstring(samdb)));
3283 talloc_free(tmp_ctx);
3287 el = ldb_msg_find_element(root_res->msgs[0], "namingContexts");
3288 if ((el == NULL) || (el->num_values < 3)) {
3289 struct ldb_message *tmp_msg;
3291 DEBUG(5,("dsdb_find_nc_root: Finding a valid 'namingContexts' element in the RootDSE failed. Using a temporary list."));
3293 /* This generates a temporary list of NCs in order to let the
3294 * provisioning work. */
3295 tmp_msg = ldb_msg_new(tmp_ctx);
3296 if (tmp_msg == NULL) {
3297 talloc_free(tmp_ctx);
3298 return ldb_oom(samdb);
3300 ret = ldb_msg_add_steal_string(tmp_msg, "namingContexts",
3301 ldb_dn_alloc_linearized(tmp_msg, ldb_get_schema_basedn(samdb)));
3302 if (ret != LDB_SUCCESS) {
3303 talloc_free(tmp_ctx);
3306 ret = ldb_msg_add_steal_string(tmp_msg, "namingContexts",
3307 ldb_dn_alloc_linearized(tmp_msg, ldb_get_config_basedn(samdb)));
3308 if (ret != LDB_SUCCESS) {
3309 talloc_free(tmp_ctx);
3312 ret = ldb_msg_add_steal_string(tmp_msg, "namingContexts",
3313 ldb_dn_alloc_linearized(tmp_msg, ldb_get_default_basedn(samdb)));
3314 if (ret != LDB_SUCCESS) {
3315 talloc_free(tmp_ctx);
3318 el = &tmp_msg->elements[0];
3321 nc_dns = talloc_array(tmp_ctx, struct ldb_dn *, el->num_values);
3323 talloc_free(tmp_ctx);
3324 return ldb_oom(samdb);
3327 for (i=0; i<el->num_values; i++) {
3328 nc_dns[i] = ldb_dn_from_ldb_val(nc_dns, samdb, &el->values[i]);
3329 if (nc_dns[i] == NULL) {
3330 talloc_free(tmp_ctx);
3331 return ldb_operr(samdb);
3335 TYPESAFE_QSORT(nc_dns, el->num_values, dsdb_dn_compare_ptrs);
3337 for (i=0; i<el->num_values; i++) {
3338 if (ldb_dn_compare_base(nc_dns[i], dn) == 0) {
3339 (*nc_root) = talloc_steal(mem_ctx, nc_dns[i]);
3340 talloc_free(tmp_ctx);
3345 talloc_free(tmp_ctx);
3346 return LDB_ERR_NO_SUCH_OBJECT;
3351 find the deleted objects DN for any object, by looking for the NC
3352 root, then looking up the wellknown GUID
3354 int dsdb_get_deleted_objects_dn(struct ldb_context *ldb,
3355 TALLOC_CTX *mem_ctx, struct ldb_dn *obj_dn,
3356 struct ldb_dn **do_dn)
3358 struct ldb_dn *nc_root;
3361 ret = dsdb_find_nc_root(ldb, mem_ctx, obj_dn, &nc_root);
3362 if (ret != LDB_SUCCESS) {
3366 ret = dsdb_wellknown_dn(ldb, mem_ctx, nc_root, DS_GUID_DELETED_OBJECTS_CONTAINER, do_dn);
3367 talloc_free(nc_root);
3372 return the tombstoneLifetime, in days
3374 int dsdb_tombstone_lifetime(struct ldb_context *ldb, uint32_t *lifetime)
3377 dn = ldb_get_config_basedn(ldb);
3379 return LDB_ERR_NO_SUCH_OBJECT;
3381 dn = ldb_dn_copy(ldb, dn);
3383 return ldb_operr(ldb);
3385 /* see MS-ADTS section 7.1.1.2.4.1.1. There doesn't appear to
3386 be a wellknown GUID for this */
3387 if (!ldb_dn_add_child_fmt(dn, "CN=Directory Service,CN=Windows NT,CN=Services")) {
3389 return ldb_operr(ldb);
3392 *lifetime = samdb_search_uint(ldb, dn, 180, dn, "tombstoneLifetime", "objectClass=nTDSService");
3398 compare a ldb_val to a string case insensitively
3400 int samdb_ldb_val_case_cmp(const char *s, struct ldb_val *v)
3402 size_t len = strlen(s);
3404 if (len > v->length) return 1;
3405 ret = strncasecmp(s, (const char *)v->data, v->length);
3406 if (ret != 0) return ret;
3407 if (v->length > len && v->data[len] != 0) {
3415 load the UDV for a partition in v2 format
3416 The list is returned sorted, and with our local cursor added
3418 int dsdb_load_udv_v2(struct ldb_context *samdb, struct ldb_dn *dn, TALLOC_CTX *mem_ctx,
3419 struct drsuapi_DsReplicaCursor2 **cursors, uint32_t *count)
3421 static const char *attrs[] = { "replUpToDateVector", NULL };
3422 struct ldb_result *r;
3423 const struct ldb_val *ouv_value;
3426 uint64_t highest_usn;
3427 const struct GUID *our_invocation_id;
3428 struct timeval now = timeval_current();
3430 ret = ldb_search(samdb, mem_ctx, &r, dn, LDB_SCOPE_BASE, attrs, NULL);
3431 if (ret != LDB_SUCCESS) {
3435 ouv_value = ldb_msg_find_ldb_val(r->msgs[0], "replUpToDateVector");
3437 enum ndr_err_code ndr_err;
3438 struct replUpToDateVectorBlob ouv;
3440 ndr_err = ndr_pull_struct_blob(ouv_value, r, &ouv,
3441 (ndr_pull_flags_fn_t)ndr_pull_replUpToDateVectorBlob);
3442 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
3444 return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
3446 if (ouv.version != 2) {
3447 /* we always store as version 2, and
3448 * replUpToDateVector is not replicated
3450 return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
3453 *count = ouv.ctr.ctr2.count;
3454 *cursors = talloc_steal(mem_ctx, ouv.ctr.ctr2.cursors);
3462 our_invocation_id = samdb_ntds_invocation_id(samdb);
3463 if (!our_invocation_id) {
3464 DEBUG(0,(__location__ ": No invocationID on samdb - %s\n", ldb_errstring(samdb)));
3465 talloc_free(*cursors);
3466 return ldb_operr(samdb);
3469 ret = dsdb_load_partition_usn(samdb, dn, &highest_usn, NULL);
3470 if (ret != LDB_SUCCESS) {
3471 /* nothing to add - this can happen after a vampire */
3472 TYPESAFE_QSORT(*cursors, *count, drsuapi_DsReplicaCursor2_compare);
3476 for (i=0; i<*count; i++) {
3477 if (GUID_equal(our_invocation_id, &(*cursors)[i].source_dsa_invocation_id)) {
3478 (*cursors)[i].highest_usn = highest_usn;
3479 (*cursors)[i].last_sync_success = timeval_to_nttime(&now);
3480 TYPESAFE_QSORT(*cursors, *count, drsuapi_DsReplicaCursor2_compare);
3485 (*cursors) = talloc_realloc(mem_ctx, *cursors, struct drsuapi_DsReplicaCursor2, (*count)+1);
3487 return ldb_oom(samdb);
3490 (*cursors)[*count].source_dsa_invocation_id = *our_invocation_id;
3491 (*cursors)[*count].highest_usn = highest_usn;
3492 (*cursors)[*count].last_sync_success = timeval_to_nttime(&now);
3495 TYPESAFE_QSORT(*cursors, *count, drsuapi_DsReplicaCursor2_compare);
3501 load the UDV for a partition in version 1 format
3502 The list is returned sorted, and with our local cursor added
3504 int dsdb_load_udv_v1(struct ldb_context *samdb, struct ldb_dn *dn, TALLOC_CTX *mem_ctx,
3505 struct drsuapi_DsReplicaCursor **cursors, uint32_t *count)
3507 struct drsuapi_DsReplicaCursor2 *v2;
3511 ret = dsdb_load_udv_v2(samdb, dn, mem_ctx, &v2, count);
3512 if (ret != LDB_SUCCESS) {
3522 *cursors = talloc_array(mem_ctx, struct drsuapi_DsReplicaCursor, *count);
3523 if (*cursors == NULL) {
3525 return ldb_oom(samdb);
3528 for (i=0; i<*count; i++) {
3529 (*cursors)[i].source_dsa_invocation_id = v2[i].source_dsa_invocation_id;
3530 (*cursors)[i].highest_usn = v2[i].highest_usn;
3537 add a set of controls to a ldb_request structure based on a set of
3538 flags. See util.h for a list of available flags
3540 int dsdb_request_add_controls(struct ldb_request *req, uint32_t dsdb_flags)
3543 if (dsdb_flags & DSDB_SEARCH_SEARCH_ALL_PARTITIONS) {
3544 struct ldb_search_options_control *options;
3545 /* Using the phantom root control allows us to search all partitions */
3546 options = talloc(req, struct ldb_search_options_control);
3547 if (options == NULL) {
3548 return LDB_ERR_OPERATIONS_ERROR;
3550 options->search_options = LDB_SEARCH_OPTION_PHANTOM_ROOT;
3552 ret = ldb_request_add_control(req,
3553 LDB_CONTROL_SEARCH_OPTIONS_OID,
3555 if (ret != LDB_SUCCESS) {
3560 if (dsdb_flags & DSDB_SEARCH_SHOW_DELETED) {
3561 ret = ldb_request_add_control(req, LDB_CONTROL_SHOW_DELETED_OID, true, NULL);
3562 if (ret != LDB_SUCCESS) {
3567 if (dsdb_flags & DSDB_SEARCH_SHOW_RECYCLED) {
3568 ret = ldb_request_add_control(req, LDB_CONTROL_SHOW_RECYCLED_OID, false, NULL);
3569 if (ret != LDB_SUCCESS) {
3574 if (dsdb_flags & DSDB_SEARCH_SHOW_DN_IN_STORAGE_FORMAT) {
3575 ret = ldb_request_add_control(req, DSDB_CONTROL_DN_STORAGE_FORMAT_OID, true, NULL);
3576 if (ret != LDB_SUCCESS) {
3581 if (dsdb_flags & DSDB_SEARCH_SHOW_EXTENDED_DN) {
3582 struct ldb_extended_dn_control *extended_ctrl = talloc(req, struct ldb_extended_dn_control);
3583 if (!extended_ctrl) {
3584 return LDB_ERR_OPERATIONS_ERROR;
3586 extended_ctrl->type = 1;
3588 ret = ldb_request_add_control(req, LDB_CONTROL_EXTENDED_DN_OID, true, extended_ctrl);
3589 if (ret != LDB_SUCCESS) {
3594 if (dsdb_flags & DSDB_SEARCH_REVEAL_INTERNALS) {
3595 ret = ldb_request_add_control(req, LDB_CONTROL_REVEAL_INTERNALS, false, NULL);
3596 if (ret != LDB_SUCCESS) {
3601 if (dsdb_flags & DSDB_MODIFY_RELAX) {
3602 ret = ldb_request_add_control(req, LDB_CONTROL_RELAX_OID, false, NULL);
3603 if (ret != LDB_SUCCESS) {
3608 if (dsdb_flags & DSDB_MODIFY_PERMISSIVE) {
3609 ret = ldb_request_add_control(req, LDB_CONTROL_PERMISSIVE_MODIFY_OID, false, NULL);
3610 if (ret != LDB_SUCCESS) {
3615 if (dsdb_flags & DSDB_FLAG_AS_SYSTEM) {
3616 ret = ldb_request_add_control(req, LDB_CONTROL_AS_SYSTEM_OID, false, NULL);
3617 if (ret != LDB_SUCCESS) {
3622 if (dsdb_flags & DSDB_TREE_DELETE) {
3623 ret = ldb_request_add_control(req, LDB_CONTROL_TREE_DELETE_OID, false, NULL);
3624 if (ret != LDB_SUCCESS) {
3629 if (dsdb_flags & DSDB_PROVISION) {
3630 ret = ldb_request_add_control(req, LDB_CONTROL_PROVISION_OID, false, NULL);
3631 if (ret != LDB_SUCCESS) {
3640 an add with a set of controls
3642 int dsdb_add(struct ldb_context *ldb, const struct ldb_message *message,
3643 uint32_t dsdb_flags)
3645 struct ldb_request *req;
3648 ret = ldb_build_add_req(&req, ldb, ldb,
3652 ldb_op_default_callback,
3655 if (ret != LDB_SUCCESS) return ret;
3657 ret = dsdb_request_add_controls(req, dsdb_flags);
3658 if (ret != LDB_SUCCESS) {
3663 ret = dsdb_autotransaction_request(ldb, req);
3670 a modify with a set of controls
3672 int dsdb_modify(struct ldb_context *ldb, const struct ldb_message *message,
3673 uint32_t dsdb_flags)
3675 struct ldb_request *req;
3678 ret = ldb_build_mod_req(&req, ldb, ldb,
3682 ldb_op_default_callback,
3685 if (ret != LDB_SUCCESS) return ret;
3687 ret = dsdb_request_add_controls(req, dsdb_flags);
3688 if (ret != LDB_SUCCESS) {
3693 ret = dsdb_autotransaction_request(ldb, req);
3700 like dsdb_modify() but set all the element flags to
3701 LDB_FLAG_MOD_REPLACE
3703 int dsdb_replace(struct ldb_context *ldb, struct ldb_message *msg, uint32_t dsdb_flags)
3707 /* mark all the message elements as LDB_FLAG_MOD_REPLACE */
3708 for (i=0;i<msg->num_elements;i++) {
3709 msg->elements[i].flags = LDB_FLAG_MOD_REPLACE;
3712 return dsdb_modify(ldb, msg, dsdb_flags);
3717 search for attrs on one DN, allowing for dsdb_flags controls
3719 int dsdb_search_dn(struct ldb_context *ldb,
3720 TALLOC_CTX *mem_ctx,
3721 struct ldb_result **_res,
3722 struct ldb_dn *basedn,
3723 const char * const *attrs,
3724 uint32_t dsdb_flags)
3727 struct ldb_request *req;
3728 struct ldb_result *res;
3730 res = talloc_zero(mem_ctx, struct ldb_result);
3732 return ldb_oom(ldb);
3735 ret = ldb_build_search_req(&req, ldb, res,
3742 ldb_search_default_callback,
3744 if (ret != LDB_SUCCESS) {
3749 ret = dsdb_request_add_controls(req, dsdb_flags);
3750 if (ret != LDB_SUCCESS) {
3755 ret = ldb_request(ldb, req);
3756 if (ret == LDB_SUCCESS) {
3757 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
3761 if (ret != LDB_SUCCESS) {
3771 search for attrs on one DN, by the GUID of the DN, allowing for
3774 int dsdb_search_by_dn_guid(struct ldb_context *ldb,
3775 TALLOC_CTX *mem_ctx,
3776 struct ldb_result **_res,
3777 const struct GUID *guid,
3778 const char * const *attrs,
3779 uint32_t dsdb_flags)
3781 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
3785 dn = ldb_dn_new_fmt(tmp_ctx, ldb, "<GUID=%s>", GUID_string(tmp_ctx, guid));
3786 if (!ldb_dn_validate(dn)) {
3787 talloc_free(tmp_ctx);
3788 return LDB_ERR_INVALID_DN_SYNTAX;
3791 ret = dsdb_search_dn(ldb, mem_ctx, _res, dn, attrs, dsdb_flags);
3792 talloc_free(tmp_ctx);
3797 general search with dsdb_flags for controls
3799 int dsdb_search(struct ldb_context *ldb,
3800 TALLOC_CTX *mem_ctx,
3801 struct ldb_result **_res,
3802 struct ldb_dn *basedn,
3803 enum ldb_scope scope,
3804 const char * const *attrs,
3805 uint32_t dsdb_flags,
3806 const char *exp_fmt, ...) _PRINTF_ATTRIBUTE(8, 9)
3809 struct ldb_request *req;
3810 struct ldb_result *res;
3812 char *expression = NULL;
3813 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
3815 res = talloc_zero(tmp_ctx, struct ldb_result);
3817 talloc_free(tmp_ctx);
3818 return ldb_oom(ldb);
3822 va_start(ap, exp_fmt);
3823 expression = talloc_vasprintf(tmp_ctx, exp_fmt, ap);
3827 talloc_free(tmp_ctx);
3828 return ldb_oom(ldb);
3832 ret = ldb_build_search_req(&req, ldb, tmp_ctx,
3839 ldb_search_default_callback,
3841 if (ret != LDB_SUCCESS) {
3842 talloc_free(tmp_ctx);
3846 ret = dsdb_request_add_controls(req, dsdb_flags);
3847 if (ret != LDB_SUCCESS) {
3848 talloc_free(tmp_ctx);
3849 ldb_reset_err_string(ldb);
3853 ret = ldb_request(ldb, req);
3854 if (ret == LDB_SUCCESS) {
3855 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
3858 if (ret != LDB_SUCCESS) {
3859 talloc_free(tmp_ctx);
3863 if (dsdb_flags & DSDB_SEARCH_ONE_ONLY) {
3864 if (res->count == 0) {
3865 talloc_free(tmp_ctx);
3866 ldb_reset_err_string(ldb);
3867 return LDB_ERR_NO_SUCH_OBJECT;
3869 if (res->count != 1) {
3870 talloc_free(tmp_ctx);
3871 ldb_reset_err_string(ldb);
3872 return LDB_ERR_CONSTRAINT_VIOLATION;
3876 *_res = talloc_steal(mem_ctx, res);
3877 talloc_free(tmp_ctx);
3884 general search with dsdb_flags for controls
3885 returns exactly 1 record or an error
3887 int dsdb_search_one(struct ldb_context *ldb,
3888 TALLOC_CTX *mem_ctx,
3889 struct ldb_message **msg,
3890 struct ldb_dn *basedn,
3891 enum ldb_scope scope,
3892 const char * const *attrs,
3893 uint32_t dsdb_flags,
3894 const char *exp_fmt, ...) _PRINTF_ATTRIBUTE(8, 9)
3897 struct ldb_result *res;
3899 char *expression = NULL;
3900 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
3902 dsdb_flags |= DSDB_SEARCH_ONE_ONLY;
3904 res = talloc_zero(tmp_ctx, struct ldb_result);
3906 talloc_free(tmp_ctx);
3907 return ldb_oom(ldb);
3911 va_start(ap, exp_fmt);
3912 expression = talloc_vasprintf(tmp_ctx, exp_fmt, ap);
3916 talloc_free(tmp_ctx);
3917 return ldb_oom(ldb);
3919 ret = dsdb_search(ldb, tmp_ctx, &res, basedn, scope, attrs,
3920 dsdb_flags, "%s", expression);
3922 ret = dsdb_search(ldb, tmp_ctx, &res, basedn, scope, attrs,
3926 if (ret != LDB_SUCCESS) {
3927 talloc_free(tmp_ctx);
3931 *msg = talloc_steal(mem_ctx, res->msgs[0]);
3932 talloc_free(tmp_ctx);
3937 /* returns back the forest DNS name */
3938 const char *samdb_forest_name(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
3940 const char *forest_name = ldb_dn_canonical_string(mem_ctx,
3941 ldb_get_root_basedn(ldb));
3944 if (forest_name == NULL) {
3948 p = strchr(forest_name, '/');
3956 /* returns back the default domain DNS name */
3957 const char *samdb_default_domain_name(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
3959 const char *domain_name = ldb_dn_canonical_string(mem_ctx,
3960 ldb_get_default_basedn(ldb));
3963 if (domain_name == NULL) {
3967 p = strchr(domain_name, '/');
3976 validate that an DSA GUID belongs to the specified user sid.
3977 The user SID must be a domain controller account (either RODC or
3980 int dsdb_validate_dsa_guid(struct ldb_context *ldb,
3981 const struct GUID *dsa_guid,
3982 const struct dom_sid *sid)
3985 - find DN of record with the DSA GUID in the
3986 configuration partition (objectGUID)
3987 - remove "NTDS Settings" component from DN
3988 - do a base search on that DN for serverReference with
3990 - extract objectSid from resulting serverReference
3992 - check this sid matches the sid argument
3994 struct ldb_dn *config_dn;
3995 TALLOC_CTX *tmp_ctx = talloc_new(ldb);
3996 struct ldb_message *msg;
3997 const char *attrs1[] = { NULL };
3998 const char *attrs2[] = { "serverReference", NULL };
4000 struct ldb_dn *dn, *account_dn;
4001 struct dom_sid sid2;
4004 config_dn = ldb_get_config_basedn(ldb);
4006 ret = dsdb_search_one(ldb, tmp_ctx, &msg, config_dn, LDB_SCOPE_SUBTREE,
4007 attrs1, 0, "(&(objectGUID=%s)(objectClass=nTDSDSA))", GUID_string(tmp_ctx, dsa_guid));
4008 if (ret != LDB_SUCCESS) {
4009 DEBUG(1,(__location__ ": Failed to find DSA objectGUID %s for sid %s\n",
4010 GUID_string(tmp_ctx, dsa_guid), dom_sid_string(tmp_ctx, sid)));
4011 talloc_free(tmp_ctx);
4012 return ldb_operr(ldb);
4016 if (!ldb_dn_remove_child_components(dn, 1)) {
4017 talloc_free(tmp_ctx);
4018 return ldb_operr(ldb);
4021 ret = dsdb_search_one(ldb, tmp_ctx, &msg, dn, LDB_SCOPE_BASE,
4022 attrs2, DSDB_SEARCH_SHOW_EXTENDED_DN,
4023 "(objectClass=server)");
4024 if (ret != LDB_SUCCESS) {
4025 DEBUG(1,(__location__ ": Failed to find server record for DSA with objectGUID %s, sid %s\n",
4026 GUID_string(tmp_ctx, dsa_guid), dom_sid_string(tmp_ctx, sid)));
4027 talloc_free(tmp_ctx);
4028 return ldb_operr(ldb);
4031 account_dn = ldb_msg_find_attr_as_dn(ldb, tmp_ctx, msg, "serverReference");
4032 if (account_dn == NULL) {
4033 DEBUG(1,(__location__ ": Failed to find account_dn for DSA with objectGUID %s, sid %s\n",
4034 GUID_string(tmp_ctx, dsa_guid), dom_sid_string(tmp_ctx, sid)));
4035 talloc_free(tmp_ctx);
4036 return ldb_operr(ldb);
4039 status = dsdb_get_extended_dn_sid(account_dn, &sid2, "SID");
4040 if (!NT_STATUS_IS_OK(status)) {
4041 DEBUG(1,(__location__ ": Failed to find SID for DSA with objectGUID %s, sid %s\n",
4042 GUID_string(tmp_ctx, dsa_guid), dom_sid_string(tmp_ctx, sid)));
4043 talloc_free(tmp_ctx);
4044 return ldb_operr(ldb);
4047 if (!dom_sid_equal(sid, &sid2)) {
4048 /* someone is trying to spoof another account */
4049 DEBUG(0,(__location__ ": Bad DSA objectGUID %s for sid %s - expected sid %s\n",
4050 GUID_string(tmp_ctx, dsa_guid),
4051 dom_sid_string(tmp_ctx, sid),
4052 dom_sid_string(tmp_ctx, &sid2)));
4053 talloc_free(tmp_ctx);
4054 return ldb_operr(ldb);
4057 talloc_free(tmp_ctx);
4061 static const char * const secret_attributes[] = {
4062 DSDB_SECRET_ATTRIBUTES,
4067 check if the attribute belongs to the RODC filtered attribute set
4068 Note that attributes that are in the filtered attribute set are the
4069 ones that _are_ always sent to a RODC
4071 bool dsdb_attr_in_rodc_fas(const struct dsdb_attribute *sa)
4073 /* they never get secret attributes */
4074 if (is_attr_in_list(secret_attributes, sa->lDAPDisplayName)) {
4078 /* they do get non-secret critical attributes */
4079 if (sa->schemaFlagsEx & SCHEMA_FLAG_ATTR_IS_CRITICAL) {
4083 /* they do get non-secret attributes marked as being in the FAS */
4084 if (sa->searchFlags & SEARCH_FLAG_RODC_ATTRIBUTE) {
4088 /* other attributes are denied */
4092 /* return fsmo role dn and role owner dn for a particular role*/
4093 WERROR dsdb_get_fsmo_role_info(TALLOC_CTX *tmp_ctx,
4094 struct ldb_context *ldb,
4096 struct ldb_dn **fsmo_role_dn,
4097 struct ldb_dn **role_owner_dn)
4101 case DREPL_NAMING_MASTER:
4102 *fsmo_role_dn = samdb_partitions_dn(ldb, tmp_ctx);
4103 ret = samdb_reference_dn(ldb, tmp_ctx, *fsmo_role_dn, "fSMORoleOwner", role_owner_dn);
4104 if (ret != LDB_SUCCESS) {
4105 DEBUG(0,(__location__ ": Failed to find fSMORoleOwner in Naming Master object - %s",
4106 ldb_errstring(ldb)));
4107 talloc_free(tmp_ctx);
4108 return WERR_DS_DRA_INTERNAL_ERROR;
4111 case DREPL_INFRASTRUCTURE_MASTER:
4112 *fsmo_role_dn = samdb_infrastructure_dn(ldb, tmp_ctx);
4113 ret = samdb_reference_dn(ldb, tmp_ctx, *fsmo_role_dn, "fSMORoleOwner", role_owner_dn);
4114 if (ret != LDB_SUCCESS) {
4115 DEBUG(0,(__location__ ": Failed to find fSMORoleOwner in Schema Master object - %s",
4116 ldb_errstring(ldb)));
4117 talloc_free(tmp_ctx);
4118 return WERR_DS_DRA_INTERNAL_ERROR;
4121 case DREPL_RID_MASTER:
4122 ret = samdb_rid_manager_dn(ldb, tmp_ctx, fsmo_role_dn);
4123 if (ret != LDB_SUCCESS) {
4124 DEBUG(0, (__location__ ": Failed to find RID Manager object - %s", ldb_errstring(ldb)));
4125 talloc_free(tmp_ctx);
4126 return WERR_DS_DRA_INTERNAL_ERROR;
4129 ret = samdb_reference_dn(ldb, tmp_ctx, *fsmo_role_dn, "fSMORoleOwner", role_owner_dn);
4130 if (ret != LDB_SUCCESS) {
4131 DEBUG(0,(__location__ ": Failed to find fSMORoleOwner in RID Manager object - %s",
4132 ldb_errstring(ldb)));
4133 talloc_free(tmp_ctx);
4134 return WERR_DS_DRA_INTERNAL_ERROR;
4137 case DREPL_SCHEMA_MASTER:
4138 *fsmo_role_dn = ldb_get_schema_basedn(ldb);
4139 ret = samdb_reference_dn(ldb, tmp_ctx, *fsmo_role_dn, "fSMORoleOwner", role_owner_dn);
4140 if (ret != LDB_SUCCESS) {
4141 DEBUG(0,(__location__ ": Failed to find fSMORoleOwner in Schema Master object - %s",
4142 ldb_errstring(ldb)));
4143 talloc_free(tmp_ctx);
4144 return WERR_DS_DRA_INTERNAL_ERROR;
4147 case DREPL_PDC_MASTER:
4148 *fsmo_role_dn = ldb_get_default_basedn(ldb);
4149 ret = samdb_reference_dn(ldb, tmp_ctx, *fsmo_role_dn, "fSMORoleOwner", role_owner_dn);
4150 if (ret != LDB_SUCCESS) {
4151 DEBUG(0,(__location__ ": Failed to find fSMORoleOwner in Pd Master object - %s",
4152 ldb_errstring(ldb)));
4153 talloc_free(tmp_ctx);
4154 return WERR_DS_DRA_INTERNAL_ERROR;
4158 return WERR_DS_DRA_INTERNAL_ERROR;
4163 const char *samdb_dn_to_dnshostname(struct ldb_context *ldb,
4164 TALLOC_CTX *mem_ctx,
4165 struct ldb_dn *server_dn)
4168 struct ldb_result *res = NULL;
4169 const char * const attrs[] = { "dNSHostName", NULL};
4171 ldb_ret = ldb_search(ldb, mem_ctx, &res,
4175 if (ldb_ret != LDB_SUCCESS) {
4176 DEBUG(4, ("Failed to find dNSHostName for dn %s, ldb error: %s",
4177 ldb_dn_get_linearized(server_dn), ldb_errstring(ldb)));
4181 return ldb_msg_find_attr_as_string(res->msgs[0], "dNSHostName", NULL);
4185 returns true if an attribute is in the filter,
4186 false otherwise, provided that attribute value is provided with the expression
4188 bool dsdb_attr_in_parse_tree(struct ldb_parse_tree *tree,
4192 switch (tree->operation) {
4195 for (i=0;i<tree->u.list.num_elements;i++) {
4196 if (dsdb_attr_in_parse_tree(tree->u.list.elements[i],
4202 return dsdb_attr_in_parse_tree(tree->u.isnot.child, attr);
4203 case LDB_OP_EQUALITY:
4204 case LDB_OP_GREATER:
4207 if (ldb_attr_cmp(tree->u.equality.attr, attr) == 0) {
4211 case LDB_OP_SUBSTRING:
4212 if (ldb_attr_cmp(tree->u.substring.attr, attr) == 0) {
4216 case LDB_OP_PRESENT:
4217 /* (attrname=*) is not filtered out */
4219 case LDB_OP_EXTENDED:
4220 if (tree->u.extended.attr &&
4221 ldb_attr_cmp(tree->u.extended.attr, attr) == 0) {
4229 bool is_attr_in_list(const char * const * attrs, const char *attr)
4233 for (i = 0; attrs[i]; i++) {
4234 if (ldb_attr_cmp(attrs[i], attr) == 0)