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 || maxPwdAge == -0x8000000000000000ULL) {
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_attribute(struct ldb_context *ldb, struct ldb_message *msg, const char *name, const char *set_value)
704 struct ldb_message_element *el;
706 el = ldb_msg_find_element(msg, name);
711 return ldb_msg_add_string(msg, name, set_value);
715 add a dom_sid element to a message
717 int samdb_msg_add_dom_sid(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
718 const char *attr_name, const struct dom_sid *sid)
721 enum ndr_err_code ndr_err;
723 ndr_err = ndr_push_struct_blob(&v, mem_ctx,
725 (ndr_push_flags_fn_t)ndr_push_dom_sid);
726 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
727 return ldb_operr(sam_ldb);
729 return ldb_msg_add_value(msg, attr_name, &v, NULL);
734 add a delete element operation to a message
736 int samdb_msg_add_delete(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
737 const char *attr_name)
739 /* we use an empty replace rather than a delete, as it allows for
740 dsdb_replace() to be used everywhere */
741 return ldb_msg_add_empty(msg, attr_name, LDB_FLAG_MOD_REPLACE, NULL);
745 add an add attribute value to a message or enhance an existing attribute
746 which has the same name and the add flag set.
748 int samdb_msg_add_addval(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx,
749 struct ldb_message *msg, const char *attr_name,
752 struct ldb_message_element *el;
753 struct ldb_val val, *vals;
759 v = talloc_strdup(mem_ctx, value);
761 return ldb_oom(sam_ldb);
764 val.data = (uint8_t *) v;
765 val.length = strlen(v);
767 if (val.length == 0) {
768 /* allow empty strings as non-existent attributes */
772 for (i = 0; i < msg->num_elements; i++) {
773 el = &msg->elements[i];
774 if ((ldb_attr_cmp(el->name, attr_name) == 0) &&
775 (LDB_FLAG_MOD_TYPE(el->flags) == LDB_FLAG_MOD_ADD)) {
781 ret = ldb_msg_add_empty(msg, attr_name, LDB_FLAG_MOD_ADD,
783 if (ret != LDB_SUCCESS) {
788 vals = talloc_realloc(msg->elements, el->values, struct ldb_val,
791 return ldb_oom(sam_ldb);
794 el->values[el->num_values] = val;
801 add a delete attribute value to a message or enhance an existing attribute
802 which has the same name and the delete flag set.
804 int samdb_msg_add_delval(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx,
805 struct ldb_message *msg, const char *attr_name,
808 struct ldb_message_element *el;
809 struct ldb_val val, *vals;
815 v = talloc_strdup(mem_ctx, value);
817 return ldb_oom(sam_ldb);
820 val.data = (uint8_t *) v;
821 val.length = strlen(v);
823 if (val.length == 0) {
824 /* allow empty strings as non-existent attributes */
828 for (i = 0; i < msg->num_elements; i++) {
829 el = &msg->elements[i];
830 if ((ldb_attr_cmp(el->name, attr_name) == 0) &&
831 (LDB_FLAG_MOD_TYPE(el->flags) == LDB_FLAG_MOD_DELETE)) {
837 ret = ldb_msg_add_empty(msg, attr_name, LDB_FLAG_MOD_DELETE,
839 if (ret != LDB_SUCCESS) {
844 vals = talloc_realloc(msg->elements, el->values, struct ldb_val,
847 return ldb_oom(sam_ldb);
850 el->values[el->num_values] = val;
857 add a int element to a message
859 int samdb_msg_add_int(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
860 const char *attr_name, int v)
862 const char *s = talloc_asprintf(mem_ctx, "%d", v);
864 return ldb_oom(sam_ldb);
866 return ldb_msg_add_string(msg, attr_name, s);
870 * Add an unsigned int element to a message
872 * The issue here is that we have not yet first cast to int32_t explicitly,
873 * before we cast to an signed int to printf() into the %d or cast to a
874 * int64_t before we then cast to a long long to printf into a %lld.
876 * There are *no* unsigned integers in Active Directory LDAP, even the RID
877 * allocations and ms-DS-Secondary-KrbTgt-Number are *signed* quantities.
878 * (See the schema, and the syntax definitions in schema_syntax.c).
881 int samdb_msg_add_uint(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
882 const char *attr_name, unsigned int v)
884 return samdb_msg_add_int(sam_ldb, mem_ctx, msg, attr_name, (int)v);
888 add a (signed) int64_t element to a message
890 int samdb_msg_add_int64(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
891 const char *attr_name, int64_t v)
893 const char *s = talloc_asprintf(mem_ctx, "%lld", (long long)v);
895 return ldb_oom(sam_ldb);
897 return ldb_msg_add_string(msg, attr_name, s);
901 * Add an unsigned int64_t (uint64_t) element to a message
903 * The issue here is that we have not yet first cast to int32_t explicitly,
904 * before we cast to an signed int to printf() into the %d or cast to a
905 * int64_t before we then cast to a long long to printf into a %lld.
907 * There are *no* unsigned integers in Active Directory LDAP, even the RID
908 * allocations and ms-DS-Secondary-KrbTgt-Number are *signed* quantities.
909 * (See the schema, and the syntax definitions in schema_syntax.c).
912 int samdb_msg_add_uint64(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
913 const char *attr_name, uint64_t v)
915 return samdb_msg_add_int64(sam_ldb, mem_ctx, msg, attr_name, (int64_t)v);
919 add a samr_Password element to a message
921 int samdb_msg_add_hash(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
922 const char *attr_name, const struct samr_Password *hash)
925 val.data = talloc_memdup(mem_ctx, hash->hash, 16);
927 return ldb_oom(sam_ldb);
930 return ldb_msg_add_value(msg, attr_name, &val, NULL);
934 add a samr_Password array to a message
936 int samdb_msg_add_hashes(struct ldb_context *ldb,
937 TALLOC_CTX *mem_ctx, struct ldb_message *msg,
938 const char *attr_name, struct samr_Password *hashes,
943 val.data = talloc_array_size(mem_ctx, 16, count);
944 val.length = count*16;
948 for (i=0;i<count;i++) {
949 memcpy(i*16 + (char *)val.data, hashes[i].hash, 16);
951 return ldb_msg_add_value(msg, attr_name, &val, NULL);
955 add a acct_flags element to a message
957 int samdb_msg_add_acct_flags(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
958 const char *attr_name, uint32_t v)
960 return samdb_msg_add_uint(sam_ldb, mem_ctx, msg, attr_name, ds_acb2uf(v));
964 add a logon_hours element to a message
966 int samdb_msg_add_logon_hours(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
967 const char *attr_name, struct samr_LogonHours *hours)
970 val.length = hours->units_per_week / 8;
971 val.data = hours->bits;
972 return ldb_msg_add_value(msg, attr_name, &val, NULL);
976 add a parameters element to a message
978 int samdb_msg_add_parameters(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
979 const char *attr_name, struct lsa_BinaryString *parameters)
982 val.length = parameters->length;
983 val.data = (uint8_t *)parameters->array;
984 return ldb_msg_add_value(msg, attr_name, &val, NULL);
988 * Sets an unsigned int element in a message
990 * The issue here is that we have not yet first cast to int32_t explicitly,
991 * before we cast to an signed int to printf() into the %d or cast to a
992 * int64_t before we then cast to a long long to printf into a %lld.
994 * There are *no* unsigned integers in Active Directory LDAP, even the RID
995 * allocations and ms-DS-Secondary-KrbTgt-Number are *signed* quantities.
996 * (See the schema, and the syntax definitions in schema_syntax.c).
999 int samdb_msg_set_uint(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx,
1000 struct ldb_message *msg, const char *attr_name,
1003 struct ldb_message_element *el;
1005 el = ldb_msg_find_element(msg, attr_name);
1009 return samdb_msg_add_uint(sam_ldb, mem_ctx, msg, attr_name, v);
1013 * Handle ldb_request in transaction
1015 static int dsdb_autotransaction_request(struct ldb_context *sam_ldb,
1016 struct ldb_request *req)
1020 ret = ldb_transaction_start(sam_ldb);
1021 if (ret != LDB_SUCCESS) {
1025 ret = ldb_request(sam_ldb, req);
1026 if (ret == LDB_SUCCESS) {
1027 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
1030 if (ret == LDB_SUCCESS) {
1031 return ldb_transaction_commit(sam_ldb);
1033 ldb_transaction_cancel(sam_ldb);
1039 return a default security descriptor
1041 struct security_descriptor *samdb_default_security_descriptor(TALLOC_CTX *mem_ctx)
1043 struct security_descriptor *sd;
1045 sd = security_descriptor_initialise(mem_ctx);
1050 struct ldb_dn *samdb_aggregate_schema_dn(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx)
1052 struct ldb_dn *schema_dn = ldb_get_schema_basedn(sam_ctx);
1053 struct ldb_dn *aggregate_dn;
1058 aggregate_dn = ldb_dn_copy(mem_ctx, schema_dn);
1059 if (!aggregate_dn) {
1062 if (!ldb_dn_add_child_fmt(aggregate_dn, "CN=Aggregate")) {
1065 return aggregate_dn;
1068 struct ldb_dn *samdb_partitions_dn(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx)
1070 struct ldb_dn *new_dn;
1072 new_dn = ldb_dn_copy(mem_ctx, ldb_get_config_basedn(sam_ctx));
1073 if ( ! ldb_dn_add_child_fmt(new_dn, "CN=Partitions")) {
1074 talloc_free(new_dn);
1080 struct ldb_dn *samdb_infrastructure_dn(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx)
1082 struct ldb_dn *new_dn;
1084 new_dn = ldb_dn_copy(mem_ctx, ldb_get_default_basedn(sam_ctx));
1085 if ( ! ldb_dn_add_child_fmt(new_dn, "CN=Infrastructure")) {
1086 talloc_free(new_dn);
1092 struct ldb_dn *samdb_sites_dn(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx)
1094 struct ldb_dn *new_dn;
1096 new_dn = ldb_dn_copy(mem_ctx, ldb_get_config_basedn(sam_ctx));
1097 if ( ! ldb_dn_add_child_fmt(new_dn, "CN=Sites")) {
1098 talloc_free(new_dn);
1105 work out the domain sid for the current open ldb
1107 const struct dom_sid *samdb_domain_sid(struct ldb_context *ldb)
1109 TALLOC_CTX *tmp_ctx;
1110 const struct dom_sid *domain_sid;
1111 const char *attrs[] = {
1115 struct ldb_result *res;
1118 /* see if we have a cached copy */
1119 domain_sid = (struct dom_sid *)ldb_get_opaque(ldb, "cache.domain_sid");
1124 tmp_ctx = talloc_new(ldb);
1125 if (tmp_ctx == NULL) {
1129 ret = ldb_search(ldb, tmp_ctx, &res, ldb_get_default_basedn(ldb), LDB_SCOPE_BASE, attrs, "objectSid=*");
1131 if (ret != LDB_SUCCESS) {
1135 if (res->count != 1) {
1139 domain_sid = samdb_result_dom_sid(tmp_ctx, res->msgs[0], "objectSid");
1140 if (domain_sid == NULL) {
1144 /* cache the domain_sid in the ldb */
1145 if (ldb_set_opaque(ldb, "cache.domain_sid", discard_const_p(struct dom_sid, domain_sid)) != LDB_SUCCESS) {
1149 talloc_steal(ldb, domain_sid);
1150 talloc_free(tmp_ctx);
1155 talloc_free(tmp_ctx);
1160 get domain sid from cache
1162 const struct dom_sid *samdb_domain_sid_cache_only(struct ldb_context *ldb)
1164 return (struct dom_sid *)ldb_get_opaque(ldb, "cache.domain_sid");
1167 bool samdb_set_domain_sid(struct ldb_context *ldb, const struct dom_sid *dom_sid_in)
1169 TALLOC_CTX *tmp_ctx;
1170 struct dom_sid *dom_sid_new;
1171 struct dom_sid *dom_sid_old;
1173 /* see if we have a cached copy */
1174 dom_sid_old = talloc_get_type(ldb_get_opaque(ldb,
1175 "cache.domain_sid"), struct dom_sid);
1177 tmp_ctx = talloc_new(ldb);
1178 if (tmp_ctx == NULL) {
1182 dom_sid_new = dom_sid_dup(tmp_ctx, dom_sid_in);
1187 /* cache the domain_sid in the ldb */
1188 if (ldb_set_opaque(ldb, "cache.domain_sid", dom_sid_new) != LDB_SUCCESS) {
1192 talloc_steal(ldb, dom_sid_new);
1193 talloc_free(tmp_ctx);
1194 talloc_free(dom_sid_old);
1199 DEBUG(1,("Failed to set our own cached domain SID in the ldb!\n"));
1200 talloc_free(tmp_ctx);
1204 bool samdb_set_ntds_settings_dn(struct ldb_context *ldb, struct ldb_dn *ntds_settings_dn_in)
1206 TALLOC_CTX *tmp_ctx;
1207 struct ldb_dn *ntds_settings_dn_new;
1208 struct ldb_dn *ntds_settings_dn_old;
1210 /* see if we have a forced copy from provision */
1211 ntds_settings_dn_old = talloc_get_type(ldb_get_opaque(ldb,
1212 "forced.ntds_settings_dn"), struct ldb_dn);
1214 tmp_ctx = talloc_new(ldb);
1215 if (tmp_ctx == NULL) {
1219 ntds_settings_dn_new = ldb_dn_copy(tmp_ctx, ntds_settings_dn_in);
1220 if (!ntds_settings_dn_new) {
1224 /* set the DN in the ldb to avoid lookups during provision */
1225 if (ldb_set_opaque(ldb, "forced.ntds_settings_dn", ntds_settings_dn_new) != LDB_SUCCESS) {
1229 talloc_steal(ldb, ntds_settings_dn_new);
1230 talloc_free(tmp_ctx);
1231 talloc_free(ntds_settings_dn_old);
1236 DEBUG(1,("Failed to set our NTDS Settings DN in the ldb!\n"));
1237 talloc_free(tmp_ctx);
1242 work out the ntds settings dn for the current open ldb
1244 struct ldb_dn *samdb_ntds_settings_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
1246 TALLOC_CTX *tmp_ctx;
1247 const char *root_attrs[] = { "dsServiceName", NULL };
1249 struct ldb_result *root_res;
1250 struct ldb_dn *settings_dn;
1252 /* see if we have a cached copy */
1253 settings_dn = (struct ldb_dn *)ldb_get_opaque(ldb, "forced.ntds_settings_dn");
1255 return ldb_dn_copy(mem_ctx, settings_dn);
1258 tmp_ctx = talloc_new(mem_ctx);
1259 if (tmp_ctx == NULL) {
1263 ret = ldb_search(ldb, tmp_ctx, &root_res, ldb_dn_new(tmp_ctx, ldb, ""), LDB_SCOPE_BASE, root_attrs, NULL);
1264 if (ret != LDB_SUCCESS) {
1265 DEBUG(1,("Searching for dsServiceName in rootDSE failed: %s\n",
1266 ldb_errstring(ldb)));
1270 if (root_res->count != 1) {
1274 settings_dn = ldb_msg_find_attr_as_dn(ldb, tmp_ctx, root_res->msgs[0], "dsServiceName");
1276 /* note that we do not cache the DN here, as that would mean
1277 * we could not handle server renames at runtime. Only
1278 * provision sets up forced.ntds_settings_dn */
1280 talloc_steal(mem_ctx, settings_dn);
1281 talloc_free(tmp_ctx);
1286 DEBUG(1,("Failed to find our own NTDS Settings DN in the ldb!\n"));
1287 talloc_free(tmp_ctx);
1292 work out the ntds settings invocationId for the current open ldb
1294 const struct GUID *samdb_ntds_invocation_id(struct ldb_context *ldb)
1296 TALLOC_CTX *tmp_ctx;
1297 const char *attrs[] = { "invocationId", NULL };
1299 struct ldb_result *res;
1300 struct GUID *invocation_id;
1302 /* see if we have a cached copy */
1303 invocation_id = (struct GUID *)ldb_get_opaque(ldb, "cache.invocation_id");
1304 if (invocation_id) {
1305 return invocation_id;
1308 tmp_ctx = talloc_new(ldb);
1309 if (tmp_ctx == NULL) {
1313 ret = ldb_search(ldb, tmp_ctx, &res, samdb_ntds_settings_dn(ldb, tmp_ctx), LDB_SCOPE_BASE, attrs, NULL);
1318 if (res->count != 1) {
1322 invocation_id = talloc(tmp_ctx, struct GUID);
1323 if (!invocation_id) {
1327 *invocation_id = samdb_result_guid(res->msgs[0], "invocationId");
1329 /* cache the domain_sid in the ldb */
1330 if (ldb_set_opaque(ldb, "cache.invocation_id", invocation_id) != LDB_SUCCESS) {
1334 talloc_steal(ldb, invocation_id);
1335 talloc_free(tmp_ctx);
1337 return invocation_id;
1340 DEBUG(1,("Failed to find our own NTDS Settings invocationId in the ldb!\n"));
1341 talloc_free(tmp_ctx);
1345 bool samdb_set_ntds_invocation_id(struct ldb_context *ldb, const struct GUID *invocation_id_in)
1347 TALLOC_CTX *tmp_ctx;
1348 struct GUID *invocation_id_new;
1349 struct GUID *invocation_id_old;
1351 /* see if we have a cached copy */
1352 invocation_id_old = (struct GUID *)ldb_get_opaque(ldb,
1353 "cache.invocation_id");
1355 tmp_ctx = talloc_new(ldb);
1356 if (tmp_ctx == NULL) {
1360 invocation_id_new = talloc(tmp_ctx, struct GUID);
1361 if (!invocation_id_new) {
1365 *invocation_id_new = *invocation_id_in;
1367 /* cache the domain_sid in the ldb */
1368 if (ldb_set_opaque(ldb, "cache.invocation_id", invocation_id_new) != LDB_SUCCESS) {
1372 talloc_steal(ldb, invocation_id_new);
1373 talloc_free(tmp_ctx);
1374 talloc_free(invocation_id_old);
1379 DEBUG(1,("Failed to set our own cached invocationId in the ldb!\n"));
1380 talloc_free(tmp_ctx);
1385 work out the ntds settings objectGUID for the current open ldb
1387 const struct GUID *samdb_ntds_objectGUID(struct ldb_context *ldb)
1389 TALLOC_CTX *tmp_ctx;
1390 const char *attrs[] = { "objectGUID", NULL };
1392 struct ldb_result *res;
1393 struct GUID *ntds_guid;
1395 /* see if we have a cached copy */
1396 ntds_guid = (struct GUID *)ldb_get_opaque(ldb, "cache.ntds_guid");
1401 tmp_ctx = talloc_new(ldb);
1402 if (tmp_ctx == NULL) {
1406 ret = ldb_search(ldb, tmp_ctx, &res, samdb_ntds_settings_dn(ldb, tmp_ctx), LDB_SCOPE_BASE, attrs, NULL);
1411 if (res->count != 1) {
1415 ntds_guid = talloc(tmp_ctx, struct GUID);
1420 *ntds_guid = samdb_result_guid(res->msgs[0], "objectGUID");
1422 /* cache the domain_sid in the ldb */
1423 if (ldb_set_opaque(ldb, "cache.ntds_guid", ntds_guid) != LDB_SUCCESS) {
1427 talloc_steal(ldb, ntds_guid);
1428 talloc_free(tmp_ctx);
1433 DEBUG(1,("Failed to find our own NTDS Settings objectGUID in the ldb!\n"));
1434 talloc_free(tmp_ctx);
1438 bool samdb_set_ntds_objectGUID(struct ldb_context *ldb, const struct GUID *ntds_guid_in)
1440 TALLOC_CTX *tmp_ctx;
1441 struct GUID *ntds_guid_new;
1442 struct GUID *ntds_guid_old;
1444 /* see if we have a cached copy */
1445 ntds_guid_old = (struct GUID *)ldb_get_opaque(ldb, "cache.ntds_guid");
1447 tmp_ctx = talloc_new(ldb);
1448 if (tmp_ctx == NULL) {
1452 ntds_guid_new = talloc(tmp_ctx, struct GUID);
1453 if (!ntds_guid_new) {
1457 *ntds_guid_new = *ntds_guid_in;
1459 /* cache the domain_sid in the ldb */
1460 if (ldb_set_opaque(ldb, "cache.ntds_guid", ntds_guid_new) != LDB_SUCCESS) {
1464 talloc_steal(ldb, ntds_guid_new);
1465 talloc_free(tmp_ctx);
1466 talloc_free(ntds_guid_old);
1471 DEBUG(1,("Failed to set our own cached invocationId in the ldb!\n"));
1472 talloc_free(tmp_ctx);
1477 work out the server dn for the current open ldb
1479 struct ldb_dn *samdb_server_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
1481 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
1486 dn = ldb_dn_get_parent(mem_ctx, samdb_ntds_settings_dn(ldb, tmp_ctx));
1487 talloc_free(tmp_ctx);
1493 work out the server dn for the current open ldb
1495 struct ldb_dn *samdb_server_site_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
1497 struct ldb_dn *server_dn;
1498 struct ldb_dn *servers_dn;
1499 struct ldb_dn *server_site_dn;
1501 /* TODO: there must be a saner way to do this!! */
1502 server_dn = samdb_server_dn(ldb, mem_ctx);
1503 if (!server_dn) return NULL;
1505 servers_dn = ldb_dn_get_parent(mem_ctx, server_dn);
1506 talloc_free(server_dn);
1507 if (!servers_dn) return NULL;
1509 server_site_dn = ldb_dn_get_parent(mem_ctx, servers_dn);
1510 talloc_free(servers_dn);
1512 return server_site_dn;
1516 find the site name from a computers DN record
1518 int samdb_find_site_for_computer(struct ldb_context *ldb,
1519 TALLOC_CTX *mem_ctx, struct ldb_dn *computer_dn,
1520 const char **site_name)
1524 const struct ldb_val *rdn_val;
1528 ret = samdb_reference_dn(ldb, mem_ctx, computer_dn, "serverReferenceBL", &dn);
1529 if (ret != LDB_SUCCESS) {
1533 if (!ldb_dn_remove_child_components(dn, 2)) {
1535 return LDB_ERR_INVALID_DN_SYNTAX;
1538 rdn_val = ldb_dn_get_rdn_val(dn);
1539 if (rdn_val == NULL) {
1540 return LDB_ERR_OPERATIONS_ERROR;
1543 (*site_name) = talloc_strndup(mem_ctx, (const char *)rdn_val->data, rdn_val->length);
1546 return LDB_ERR_OPERATIONS_ERROR;
1552 find the NTDS GUID from a computers DN record
1554 int samdb_find_ntdsguid_for_computer(struct ldb_context *ldb, struct ldb_dn *computer_dn,
1555 struct GUID *ntds_guid)
1560 *ntds_guid = GUID_zero();
1562 ret = samdb_reference_dn(ldb, ldb, computer_dn, "serverReferenceBL", &dn);
1563 if (ret != LDB_SUCCESS) {
1567 if (!ldb_dn_add_child_fmt(dn, "CN=NTDS Settings")) {
1569 return LDB_ERR_OPERATIONS_ERROR;
1572 ret = dsdb_find_guid_by_dn(ldb, dn, ntds_guid);
1578 find a 'reference' DN that points at another object
1579 (eg. serverReference, rIDManagerReference etc)
1581 int samdb_reference_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct ldb_dn *base,
1582 const char *attribute, struct ldb_dn **dn)
1584 const char *attrs[2];
1585 struct ldb_result *res;
1588 attrs[0] = attribute;
1591 ret = dsdb_search(ldb, mem_ctx, &res, base, LDB_SCOPE_BASE, attrs, DSDB_SEARCH_ONE_ONLY|DSDB_SEARCH_SHOW_EXTENDED_DN, NULL);
1592 if (ret != LDB_SUCCESS) {
1593 ldb_asprintf_errstring(ldb, "Cannot find DN %s to get attribute %s for reference dn: %s",
1594 ldb_dn_get_linearized(base), attribute, ldb_errstring(ldb));
1598 *dn = ldb_msg_find_attr_as_dn(ldb, mem_ctx, res->msgs[0], attribute);
1600 if (!ldb_msg_find_element(res->msgs[0], attribute)) {
1601 ldb_asprintf_errstring(ldb, "Cannot find attribute %s of %s to calculate reference dn", attribute,
1602 ldb_dn_get_linearized(base));
1604 ldb_asprintf_errstring(ldb, "Cannot interpret attribute %s of %s as a dn", attribute,
1605 ldb_dn_get_linearized(base));
1608 return LDB_ERR_NO_SUCH_ATTRIBUTE;
1616 find if a DN (must have GUID component!) is our ntdsDsa
1618 int samdb_dn_is_our_ntdsa(struct ldb_context *ldb, struct ldb_dn *dn, bool *is_ntdsa)
1621 struct GUID dn_guid;
1622 const struct GUID *our_ntds_guid;
1623 status = dsdb_get_extended_dn_guid(dn, &dn_guid, "GUID");
1624 if (!NT_STATUS_IS_OK(status)) {
1625 return LDB_ERR_OPERATIONS_ERROR;
1628 our_ntds_guid = samdb_ntds_objectGUID(ldb);
1629 if (!our_ntds_guid) {
1630 DEBUG(0, ("Failed to find our NTDS Settings GUID for comparison with %s - %s\n", ldb_dn_get_linearized(dn), ldb_errstring(ldb)));
1631 return LDB_ERR_OPERATIONS_ERROR;
1634 *is_ntdsa = GUID_equal(&dn_guid, our_ntds_guid);
1639 find a 'reference' DN that points at another object and indicate if it is our ntdsDsa
1641 int samdb_reference_dn_is_our_ntdsa(struct ldb_context *ldb, struct ldb_dn *base,
1642 const char *attribute, bool *is_ntdsa)
1645 struct ldb_dn *referenced_dn;
1646 TALLOC_CTX *tmp_ctx = talloc_new(ldb);
1647 if (tmp_ctx == NULL) {
1648 return LDB_ERR_OPERATIONS_ERROR;
1650 ret = samdb_reference_dn(ldb, tmp_ctx, base, attribute, &referenced_dn);
1651 if (ret != LDB_SUCCESS) {
1652 DEBUG(0, ("Failed to find object %s for attribute %s - %s\n", ldb_dn_get_linearized(base), attribute, ldb_errstring(ldb)));
1656 ret = samdb_dn_is_our_ntdsa(ldb, referenced_dn, is_ntdsa);
1658 talloc_free(tmp_ctx);
1663 find our machine account via the serverReference attribute in the
1666 int samdb_server_reference_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct ldb_dn **dn)
1668 struct ldb_dn *server_dn;
1671 server_dn = samdb_server_dn(ldb, mem_ctx);
1672 if (server_dn == NULL) {
1673 return LDB_ERR_NO_SUCH_OBJECT;
1676 ret = samdb_reference_dn(ldb, mem_ctx, server_dn, "serverReference", dn);
1677 talloc_free(server_dn);
1683 find the RID Manager$ DN via the rIDManagerReference attribute in the
1686 int samdb_rid_manager_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct ldb_dn **dn)
1688 return samdb_reference_dn(ldb, mem_ctx, ldb_get_default_basedn(ldb),
1689 "rIDManagerReference", dn);
1693 find the RID Set DN via the rIDSetReferences attribute in our
1696 int samdb_rid_set_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct ldb_dn **dn)
1698 struct ldb_dn *server_ref_dn;
1701 ret = samdb_server_reference_dn(ldb, mem_ctx, &server_ref_dn);
1702 if (ret != LDB_SUCCESS) {
1705 ret = samdb_reference_dn(ldb, mem_ctx, server_ref_dn, "rIDSetReferences", dn);
1706 talloc_free(server_ref_dn);
1710 const char *samdb_server_site_name(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
1712 const struct ldb_val *val = ldb_dn_get_rdn_val(samdb_server_site_dn(ldb,
1719 return (const char *) val->data;
1723 * Finds the client site by using the client's IP address.
1724 * The "subnet_name" returns the name of the subnet if parameter != NULL
1726 const char *samdb_client_site_name(struct ldb_context *ldb, TALLOC_CTX *mem_ctx,
1727 const char *ip_address, char **subnet_name)
1729 const char *attrs[] = { "cn", "siteObject", NULL };
1730 struct ldb_dn *sites_container_dn, *subnets_dn, *sites_dn;
1731 struct ldb_result *res;
1732 const struct ldb_val *val;
1733 const char *site_name = NULL, *l_subnet_name = NULL;
1734 const char *allow_list[2] = { NULL, NULL };
1735 unsigned int i, count;
1739 * if we don't have a client ip e.g. ncalrpc
1740 * the server site is the client site
1742 if (ip_address == NULL) {
1743 return samdb_server_site_name(ldb, mem_ctx);
1746 sites_container_dn = samdb_sites_dn(ldb, mem_ctx);
1747 if (sites_container_dn == NULL) {
1751 subnets_dn = ldb_dn_copy(mem_ctx, sites_container_dn);
1752 if ( ! ldb_dn_add_child_fmt(subnets_dn, "CN=Subnets")) {
1753 talloc_free(sites_container_dn);
1754 talloc_free(subnets_dn);
1758 ret = ldb_search(ldb, mem_ctx, &res, subnets_dn, LDB_SCOPE_ONELEVEL,
1760 if (ret == LDB_ERR_NO_SUCH_OBJECT) {
1762 } else if (ret != LDB_SUCCESS) {
1763 talloc_free(sites_container_dn);
1764 talloc_free(subnets_dn);
1770 for (i = 0; i < count; i++) {
1771 l_subnet_name = ldb_msg_find_attr_as_string(res->msgs[i], "cn",
1774 allow_list[0] = l_subnet_name;
1776 if (socket_allow_access(mem_ctx, NULL, allow_list, "", ip_address)) {
1777 sites_dn = ldb_msg_find_attr_as_dn(ldb, mem_ctx,
1780 if (sites_dn == NULL) {
1781 /* No reference, maybe another subnet matches */
1785 /* "val" cannot be NULL here since "sites_dn" != NULL */
1786 val = ldb_dn_get_rdn_val(sites_dn);
1787 site_name = talloc_strdup(mem_ctx,
1788 (const char *) val->data);
1790 talloc_free(sites_dn);
1796 if (site_name == NULL) {
1797 /* This is the Windows Server fallback rule: when no subnet
1798 * exists and we have only one site available then use it (it
1799 * is for sure the same as our server site). If more sites do
1800 * exist then we don't know which one to use and set the site
1802 cnt = samdb_search_count(ldb, mem_ctx, sites_container_dn,
1803 "(objectClass=site)");
1805 site_name = samdb_server_site_name(ldb, mem_ctx);
1807 site_name = talloc_strdup(mem_ctx, "");
1809 l_subnet_name = NULL;
1812 if (subnet_name != NULL) {
1813 *subnet_name = talloc_strdup(mem_ctx, l_subnet_name);
1816 talloc_free(sites_container_dn);
1817 talloc_free(subnets_dn);
1824 work out if we are the PDC for the domain of the current open ldb
1826 bool samdb_is_pdc(struct ldb_context *ldb)
1831 ret = samdb_reference_dn_is_our_ntdsa(ldb, ldb_get_default_basedn(ldb), "fsmoRoleOwner",
1833 if (ret != LDB_SUCCESS) {
1834 DEBUG(1,("Failed to find if we are the PDC for this ldb: Searching for fSMORoleOwner in %s failed: %s\n",
1835 ldb_dn_get_linearized(ldb_get_default_basedn(ldb)),
1836 ldb_errstring(ldb)));
1844 work out if we are a Global Catalog server for the domain of the current open ldb
1846 bool samdb_is_gc(struct ldb_context *ldb)
1849 if (samdb_ntds_options(ldb, &options) != LDB_SUCCESS) {
1852 return (options & DS_NTDSDSA_OPT_IS_GC) != 0;
1855 /* Find a domain object in the parents of a particular DN. */
1856 int samdb_search_for_parent_domain(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct ldb_dn *dn,
1857 struct ldb_dn **parent_dn, const char **errstring)
1859 TALLOC_CTX *local_ctx;
1860 struct ldb_dn *sdn = dn;
1861 struct ldb_result *res = NULL;
1862 int ret = LDB_SUCCESS;
1863 const char *attrs[] = { NULL };
1865 local_ctx = talloc_new(mem_ctx);
1866 if (local_ctx == NULL) return ldb_oom(ldb);
1868 while ((sdn = ldb_dn_get_parent(local_ctx, sdn))) {
1869 ret = ldb_search(ldb, local_ctx, &res, sdn, LDB_SCOPE_BASE, attrs,
1870 "(|(objectClass=domain)(objectClass=builtinDomain))");
1871 if (ret == LDB_SUCCESS) {
1872 if (res->count == 1) {
1880 if (ret != LDB_SUCCESS) {
1881 *errstring = talloc_asprintf(mem_ctx, "Error searching for parent domain of %s, failed searching for %s: %s",
1882 ldb_dn_get_linearized(dn),
1883 ldb_dn_get_linearized(sdn),
1884 ldb_errstring(ldb));
1885 talloc_free(local_ctx);
1888 if (res->count != 1) {
1889 *errstring = talloc_asprintf(mem_ctx, "Invalid dn (%s), not child of a domain object",
1890 ldb_dn_get_linearized(dn));
1891 DEBUG(0,(__location__ ": %s\n", *errstring));
1892 talloc_free(local_ctx);
1893 return LDB_ERR_CONSTRAINT_VIOLATION;
1896 *parent_dn = talloc_steal(mem_ctx, res->msgs[0]->dn);
1897 talloc_free(local_ctx);
1903 * Performs checks on a user password (plaintext UNIX format - attribute
1904 * "password"). The remaining parameters have to be extracted from the domain
1907 * Result codes from "enum samr_ValidationStatus" (consider "samr.idl")
1909 enum samr_ValidationStatus samdb_check_password(const DATA_BLOB *utf8_blob,
1910 const uint32_t pwdProperties,
1911 const uint32_t minPwdLength)
1913 const char *utf8_pw = (const char *)utf8_blob->data;
1914 size_t utf8_len = strlen_m(utf8_pw);
1916 /* checks if the "minPwdLength" property is satisfied */
1917 if (minPwdLength > utf8_len) {
1918 return SAMR_VALIDATION_STATUS_PWD_TOO_SHORT;
1921 /* checks the password complexity */
1922 if (!(pwdProperties & DOMAIN_PASSWORD_COMPLEX)) {
1923 return SAMR_VALIDATION_STATUS_SUCCESS;
1926 if (utf8_len == 0) {
1927 return SAMR_VALIDATION_STATUS_NOT_COMPLEX_ENOUGH;
1930 if (!check_password_quality(utf8_pw)) {
1931 return SAMR_VALIDATION_STATUS_NOT_COMPLEX_ENOUGH;
1934 return SAMR_VALIDATION_STATUS_SUCCESS;
1938 * Callback for "samdb_set_password" password change
1940 int samdb_set_password_callback(struct ldb_request *req, struct ldb_reply *ares)
1945 return ldb_request_done(req, LDB_ERR_OPERATIONS_ERROR);
1948 if (ares->error != LDB_SUCCESS) {
1950 req->context = talloc_steal(req,
1951 ldb_reply_get_control(ares, DSDB_CONTROL_PASSWORD_CHANGE_STATUS_OID));
1953 return ldb_request_done(req, ret);
1956 if (ares->type != LDB_REPLY_DONE) {
1958 return ldb_request_done(req, LDB_ERR_OPERATIONS_ERROR);
1961 req->context = talloc_steal(req,
1962 ldb_reply_get_control(ares, DSDB_CONTROL_PASSWORD_CHANGE_STATUS_OID));
1964 return ldb_request_done(req, LDB_SUCCESS);
1968 * Sets the user password using plaintext UTF16 (attribute "new_password") or
1969 * LM (attribute "lmNewHash") or NT (attribute "ntNewHash") hash. Also pass
1970 * the old LM and/or NT hash (attributes "lmOldHash"/"ntOldHash") if it is a
1971 * user change or not. The "rejectReason" gives some more information if the
1974 * Results: NT_STATUS_OK, NT_STATUS_INVALID_PARAMETER, NT_STATUS_UNSUCCESSFUL,
1975 * NT_STATUS_WRONG_PASSWORD, NT_STATUS_PASSWORD_RESTRICTION
1977 NTSTATUS samdb_set_password(struct ldb_context *ldb, TALLOC_CTX *mem_ctx,
1978 struct ldb_dn *user_dn, struct ldb_dn *domain_dn,
1979 const DATA_BLOB *new_password,
1980 const struct samr_Password *lmNewHash,
1981 const struct samr_Password *ntNewHash,
1982 const struct samr_Password *lmOldHash,
1983 const struct samr_Password *ntOldHash,
1984 enum samPwdChangeReason *reject_reason,
1985 struct samr_DomInfo1 **_dominfo)
1987 struct ldb_message *msg;
1988 struct ldb_message_element *el;
1989 struct ldb_request *req;
1990 struct dsdb_control_password_change_status *pwd_stat = NULL;
1992 bool hash_values = false;
1993 NTSTATUS status = NT_STATUS_OK;
1995 #define CHECK_RET(x) \
1996 if (x != LDB_SUCCESS) { \
1998 return NT_STATUS_NO_MEMORY; \
2001 msg = ldb_msg_new(mem_ctx);
2003 return NT_STATUS_NO_MEMORY;
2006 if ((new_password != NULL)
2007 && ((lmNewHash == NULL) && (ntNewHash == NULL))) {
2008 /* we have the password as plaintext UTF16 */
2009 CHECK_RET(ldb_msg_add_value(msg, "clearTextPassword",
2010 new_password, NULL));
2011 el = ldb_msg_find_element(msg, "clearTextPassword");
2012 el->flags = LDB_FLAG_MOD_REPLACE;
2013 } else if ((new_password == NULL)
2014 && ((lmNewHash != NULL) || (ntNewHash != NULL))) {
2015 /* we have a password as LM and/or NT hash */
2016 if (lmNewHash != NULL) {
2017 CHECK_RET(samdb_msg_add_hash(ldb, mem_ctx, msg,
2018 "dBCSPwd", lmNewHash));
2019 el = ldb_msg_find_element(msg, "dBCSPwd");
2020 el->flags = LDB_FLAG_MOD_REPLACE;
2022 if (ntNewHash != NULL) {
2023 CHECK_RET(samdb_msg_add_hash(ldb, mem_ctx, msg,
2024 "unicodePwd", ntNewHash));
2025 el = ldb_msg_find_element(msg, "unicodePwd");
2026 el->flags = LDB_FLAG_MOD_REPLACE;
2030 /* the password wasn't specified correctly */
2032 return NT_STATUS_INVALID_PARAMETER;
2035 /* build modify request */
2036 ret = ldb_build_mod_req(&req, ldb, mem_ctx, msg, NULL, NULL,
2037 samdb_set_password_callback, NULL);
2038 if (ret != LDB_SUCCESS) {
2040 return NT_STATUS_NO_MEMORY;
2043 /* A password change operation */
2044 if ((ntOldHash != NULL) || (lmOldHash != NULL)) {
2045 struct dsdb_control_password_change *change;
2047 change = talloc(req, struct dsdb_control_password_change);
2048 if (change == NULL) {
2051 return NT_STATUS_NO_MEMORY;
2054 change->old_nt_pwd_hash = ntOldHash;
2055 change->old_lm_pwd_hash = lmOldHash;
2057 ret = ldb_request_add_control(req,
2058 DSDB_CONTROL_PASSWORD_CHANGE_OID,
2060 if (ret != LDB_SUCCESS) {
2063 return NT_STATUS_NO_MEMORY;
2067 ret = ldb_request_add_control(req,
2068 DSDB_CONTROL_PASSWORD_HASH_VALUES_OID,
2070 if (ret != LDB_SUCCESS) {
2073 return NT_STATUS_NO_MEMORY;
2076 ret = ldb_request_add_control(req,
2077 DSDB_CONTROL_PASSWORD_CHANGE_STATUS_OID,
2079 if (ret != LDB_SUCCESS) {
2082 return NT_STATUS_NO_MEMORY;
2085 ret = dsdb_autotransaction_request(ldb, req);
2087 if (req->context != NULL) {
2088 pwd_stat = talloc_steal(mem_ctx,
2089 ((struct ldb_control *)req->context)->data);
2095 /* Sets the domain info (if requested) */
2096 if (_dominfo != NULL) {
2097 struct samr_DomInfo1 *dominfo;
2099 dominfo = talloc_zero(mem_ctx, struct samr_DomInfo1);
2100 if (dominfo == NULL) {
2101 return NT_STATUS_NO_MEMORY;
2104 if (pwd_stat != NULL) {
2105 dominfo->min_password_length = pwd_stat->domain_data.minPwdLength;
2106 dominfo->password_properties = pwd_stat->domain_data.pwdProperties;
2107 dominfo->password_history_length = pwd_stat->domain_data.pwdHistoryLength;
2108 dominfo->max_password_age = pwd_stat->domain_data.maxPwdAge;
2109 dominfo->min_password_age = pwd_stat->domain_data.minPwdAge;
2112 *_dominfo = dominfo;
2115 if (reject_reason != NULL) {
2116 if (pwd_stat != NULL) {
2117 *reject_reason = pwd_stat->reject_reason;
2119 *reject_reason = SAM_PWD_CHANGE_NO_ERROR;
2123 if (pwd_stat != NULL) {
2124 talloc_free(pwd_stat);
2127 if (ret == LDB_ERR_CONSTRAINT_VIOLATION) {
2128 const char *errmsg = ldb_errstring(ldb);
2129 char *endptr = NULL;
2130 WERROR werr = WERR_GENERAL_FAILURE;
2131 status = NT_STATUS_UNSUCCESSFUL;
2132 if (errmsg != NULL) {
2133 werr = W_ERROR(strtol(errmsg, &endptr, 16));
2135 if (endptr != errmsg) {
2136 if (W_ERROR_EQUAL(werr, WERR_INVALID_PASSWORD)) {
2137 status = NT_STATUS_WRONG_PASSWORD;
2139 if (W_ERROR_EQUAL(werr, WERR_PASSWORD_RESTRICTION)) {
2140 status = NT_STATUS_PASSWORD_RESTRICTION;
2143 } else if (ret == LDB_ERR_NO_SUCH_OBJECT) {
2144 /* don't let the caller know if an account doesn't exist */
2145 status = NT_STATUS_WRONG_PASSWORD;
2146 } else if (ret != LDB_SUCCESS) {
2147 status = NT_STATUS_UNSUCCESSFUL;
2154 * Sets the user password using plaintext UTF16 (attribute "new_password") or
2155 * LM (attribute "lmNewHash") or NT (attribute "ntNewHash") hash. Also pass
2156 * the old LM and/or NT hash (attributes "lmOldHash"/"ntOldHash") if it is a
2157 * user change or not. The "rejectReason" gives some more information if the
2160 * This wrapper function for "samdb_set_password" takes a SID as input rather
2163 * This call encapsulates a new LDB transaction for changing the password;
2164 * therefore the user hasn't to start a new one.
2166 * Results: NT_STATUS_OK, NT_STATUS_INTERNAL_DB_CORRUPTION,
2167 * NT_STATUS_INVALID_PARAMETER, NT_STATUS_UNSUCCESSFUL,
2168 * NT_STATUS_WRONG_PASSWORD, NT_STATUS_PASSWORD_RESTRICTION,
2169 * NT_STATUS_TRANSACTION_ABORTED, NT_STATUS_NO_SUCH_USER
2171 NTSTATUS samdb_set_password_sid(struct ldb_context *ldb, TALLOC_CTX *mem_ctx,
2172 const struct dom_sid *user_sid,
2173 const DATA_BLOB *new_password,
2174 const struct samr_Password *lmNewHash,
2175 const struct samr_Password *ntNewHash,
2176 const struct samr_Password *lmOldHash,
2177 const struct samr_Password *ntOldHash,
2178 enum samPwdChangeReason *reject_reason,
2179 struct samr_DomInfo1 **_dominfo)
2182 struct ldb_dn *user_dn;
2185 ret = ldb_transaction_start(ldb);
2186 if (ret != LDB_SUCCESS) {
2187 DEBUG(1, ("Failed to start transaction: %s\n", ldb_errstring(ldb)));
2188 return NT_STATUS_TRANSACTION_ABORTED;
2191 user_dn = samdb_search_dn(ldb, mem_ctx, NULL,
2192 "(&(objectSid=%s)(objectClass=user))",
2193 ldap_encode_ndr_dom_sid(mem_ctx, user_sid));
2195 ldb_transaction_cancel(ldb);
2196 DEBUG(3, ("samdb_set_password_sid: SID %s not found in samdb, returning NO_SUCH_USER\n",
2197 dom_sid_string(mem_ctx, user_sid)));
2198 return NT_STATUS_NO_SUCH_USER;
2201 nt_status = samdb_set_password(ldb, mem_ctx,
2204 lmNewHash, ntNewHash,
2205 lmOldHash, ntOldHash,
2206 reject_reason, _dominfo);
2207 if (!NT_STATUS_IS_OK(nt_status)) {
2208 ldb_transaction_cancel(ldb);
2209 talloc_free(user_dn);
2213 ret = ldb_transaction_commit(ldb);
2214 if (ret != LDB_SUCCESS) {
2215 DEBUG(0,("Failed to commit transaction to change password on %s: %s\n",
2216 ldb_dn_get_linearized(user_dn),
2217 ldb_errstring(ldb)));
2218 talloc_free(user_dn);
2219 return NT_STATUS_TRANSACTION_ABORTED;
2222 talloc_free(user_dn);
2223 return NT_STATUS_OK;
2227 NTSTATUS samdb_create_foreign_security_principal(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx,
2228 struct dom_sid *sid, struct ldb_dn **ret_dn)
2230 struct ldb_message *msg;
2231 struct ldb_dn *basedn;
2235 sidstr = dom_sid_string(mem_ctx, sid);
2236 NT_STATUS_HAVE_NO_MEMORY(sidstr);
2238 /* We might have to create a ForeignSecurityPrincipal, even if this user
2239 * is in our own domain */
2241 msg = ldb_msg_new(sidstr);
2243 talloc_free(sidstr);
2244 return NT_STATUS_NO_MEMORY;
2247 ret = dsdb_wellknown_dn(sam_ctx, sidstr,
2248 ldb_get_default_basedn(sam_ctx),
2249 DS_GUID_FOREIGNSECURITYPRINCIPALS_CONTAINER,
2251 if (ret != LDB_SUCCESS) {
2252 DEBUG(0, ("Failed to find DN for "
2253 "ForeignSecurityPrincipal container - %s\n", ldb_errstring(sam_ctx)));
2254 talloc_free(sidstr);
2255 return NT_STATUS_INTERNAL_DB_CORRUPTION;
2258 /* add core elements to the ldb_message for the alias */
2260 if ( ! ldb_dn_add_child_fmt(msg->dn, "CN=%s", sidstr)) {
2261 talloc_free(sidstr);
2262 return NT_STATUS_NO_MEMORY;
2265 ret = ldb_msg_add_string(msg, "objectClass",
2266 "foreignSecurityPrincipal");
2267 if (ret != LDB_SUCCESS) {
2268 talloc_free(sidstr);
2269 return NT_STATUS_NO_MEMORY;
2272 /* create the alias */
2273 ret = ldb_add(sam_ctx, msg);
2274 if (ret != LDB_SUCCESS) {
2275 DEBUG(0,("Failed to create foreignSecurityPrincipal "
2277 ldb_dn_get_linearized(msg->dn),
2278 ldb_errstring(sam_ctx)));
2279 talloc_free(sidstr);
2280 return NT_STATUS_INTERNAL_DB_CORRUPTION;
2283 *ret_dn = talloc_steal(mem_ctx, msg->dn);
2284 talloc_free(sidstr);
2286 return NT_STATUS_OK;
2291 Find the DN of a domain, assuming it to be a dotted.dns name
2294 struct ldb_dn *samdb_dns_domain_to_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, const char *dns_domain)
2297 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
2298 const char *binary_encoded;
2299 const char * const *split_realm;
2306 split_realm = (const char * const *)str_list_make(tmp_ctx, dns_domain, ".");
2308 talloc_free(tmp_ctx);
2311 dn = ldb_dn_new(mem_ctx, ldb, NULL);
2312 for (i=0; split_realm[i]; i++) {
2313 binary_encoded = ldb_binary_encode_string(tmp_ctx, split_realm[i]);
2314 if (!ldb_dn_add_base_fmt(dn, "dc=%s", binary_encoded)) {
2315 DEBUG(2, ("Failed to add dc=%s element to DN %s\n",
2316 binary_encoded, ldb_dn_get_linearized(dn)));
2317 talloc_free(tmp_ctx);
2321 if (!ldb_dn_validate(dn)) {
2322 DEBUG(2, ("Failed to validated DN %s\n",
2323 ldb_dn_get_linearized(dn)));
2324 talloc_free(tmp_ctx);
2327 talloc_free(tmp_ctx);
2333 Find the DNS equivalent of a DN, in dotted DNS form
2335 char *samdb_dn_to_dns_domain(TALLOC_CTX *mem_ctx, struct ldb_dn *dn)
2337 int i, num_components = ldb_dn_get_comp_num(dn);
2338 char *dns_name = talloc_strdup(mem_ctx, "");
2339 if (dns_name == NULL) {
2343 for (i=0; i<num_components; i++) {
2344 const struct ldb_val *v = ldb_dn_get_component_val(dn, i);
2347 talloc_free(dns_name);
2350 s = talloc_asprintf_append_buffer(dns_name, "%*.*s.",
2351 (int)v->length, (int)v->length, (char *)v->data);
2353 talloc_free(dns_name);
2359 /* remove the last '.' */
2360 if (dns_name[0] != 0) {
2361 dns_name[strlen(dns_name)-1] = 0;
2368 Find the DNS _msdcs name for a given NTDS GUID. The resulting DNS
2369 name is based on the forest DNS name
2371 char *samdb_ntds_msdcs_dns_name(struct ldb_context *samdb,
2372 TALLOC_CTX *mem_ctx,
2373 const struct GUID *ntds_guid)
2375 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
2376 const char *guid_str;
2377 struct ldb_dn *forest_dn;
2378 const char *dnsforest;
2381 guid_str = GUID_string(tmp_ctx, ntds_guid);
2382 if (guid_str == NULL) {
2383 talloc_free(tmp_ctx);
2386 forest_dn = ldb_get_root_basedn(samdb);
2387 if (forest_dn == NULL) {
2388 talloc_free(tmp_ctx);
2391 dnsforest = samdb_dn_to_dns_domain(tmp_ctx, forest_dn);
2392 if (dnsforest == NULL) {
2393 talloc_free(tmp_ctx);
2396 ret = talloc_asprintf(mem_ctx, "%s._msdcs.%s", guid_str, dnsforest);
2397 talloc_free(tmp_ctx);
2403 Find the DN of a domain, be it the netbios or DNS name
2405 struct ldb_dn *samdb_domain_to_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx,
2406 const char *domain_name)
2408 const char * const domain_ref_attrs[] = {
2411 const char * const domain_ref2_attrs[] = {
2414 struct ldb_result *res_domain_ref;
2415 char *escaped_domain = ldb_binary_encode_string(mem_ctx, domain_name);
2416 /* find the domain's DN */
2417 int ret_domain = ldb_search(ldb, mem_ctx,
2419 samdb_partitions_dn(ldb, mem_ctx),
2422 "(&(nETBIOSName=%s)(objectclass=crossRef))",
2424 if (ret_domain != LDB_SUCCESS) {
2428 if (res_domain_ref->count == 0) {
2429 ret_domain = ldb_search(ldb, mem_ctx,
2431 samdb_dns_domain_to_dn(ldb, mem_ctx, domain_name),
2434 "(objectclass=domain)");
2435 if (ret_domain != LDB_SUCCESS) {
2439 if (res_domain_ref->count == 1) {
2440 return res_domain_ref->msgs[0]->dn;
2445 if (res_domain_ref->count > 1) {
2446 DEBUG(0,("Found %d records matching domain [%s]\n",
2447 ret_domain, domain_name));
2451 return samdb_result_dn(ldb, mem_ctx, res_domain_ref->msgs[0], "nCName", NULL);
2457 use a GUID to find a DN
2459 int dsdb_find_dn_by_guid(struct ldb_context *ldb,
2460 TALLOC_CTX *mem_ctx,
2461 const struct GUID *guid,
2462 uint32_t dsdb_flags,
2466 struct ldb_result *res;
2467 const char *attrs[] = { NULL };
2468 char *guid_str = GUID_string(mem_ctx, guid);
2471 return ldb_operr(ldb);
2474 ret = dsdb_search(ldb, mem_ctx, &res, NULL, LDB_SCOPE_SUBTREE, attrs,
2475 DSDB_SEARCH_SEARCH_ALL_PARTITIONS |
2476 DSDB_SEARCH_SHOW_EXTENDED_DN |
2477 DSDB_SEARCH_ONE_ONLY | dsdb_flags,
2478 "objectGUID=%s", guid_str);
2479 talloc_free(guid_str);
2480 if (ret != LDB_SUCCESS) {
2484 *dn = talloc_steal(mem_ctx, res->msgs[0]->dn);
2491 use a DN to find a GUID with a given attribute name
2493 int dsdb_find_guid_attr_by_dn(struct ldb_context *ldb,
2494 struct ldb_dn *dn, const char *attribute,
2498 struct ldb_result *res;
2499 const char *attrs[2];
2500 TALLOC_CTX *tmp_ctx = talloc_new(ldb);
2502 attrs[0] = attribute;
2505 ret = dsdb_search_dn(ldb, tmp_ctx, &res, dn, attrs,
2506 DSDB_SEARCH_SHOW_DELETED |
2507 DSDB_SEARCH_SHOW_RECYCLED);
2508 if (ret != LDB_SUCCESS) {
2509 talloc_free(tmp_ctx);
2512 if (res->count < 1) {
2513 talloc_free(tmp_ctx);
2514 return LDB_ERR_NO_SUCH_OBJECT;
2516 *guid = samdb_result_guid(res->msgs[0], attribute);
2517 talloc_free(tmp_ctx);
2522 use a DN to find a GUID
2524 int dsdb_find_guid_by_dn(struct ldb_context *ldb,
2525 struct ldb_dn *dn, struct GUID *guid)
2527 return dsdb_find_guid_attr_by_dn(ldb, dn, "objectGUID", guid);
2533 adds the given GUID to the given ldb_message. This value is added
2534 for the given attr_name (may be either "objectGUID" or "parentGUID").
2536 int dsdb_msg_add_guid(struct ldb_message *msg,
2538 const char *attr_name)
2543 TALLOC_CTX *tmp_ctx = talloc_init("dsdb_msg_add_guid");
2545 status = GUID_to_ndr_blob(guid, tmp_ctx, &v);
2546 if (!NT_STATUS_IS_OK(status)) {
2547 ret = LDB_ERR_OPERATIONS_ERROR;
2551 ret = ldb_msg_add_steal_value(msg, attr_name, &v);
2552 if (ret != LDB_SUCCESS) {
2553 DEBUG(4,(__location__ ": Failed to add %s to the message\n",
2561 talloc_free(tmp_ctx);
2568 use a DN to find a SID
2570 int dsdb_find_sid_by_dn(struct ldb_context *ldb,
2571 struct ldb_dn *dn, struct dom_sid *sid)
2574 struct ldb_result *res;
2575 const char *attrs[] = { "objectSid", NULL };
2576 TALLOC_CTX *tmp_ctx = talloc_new(ldb);
2581 ret = dsdb_search_dn(ldb, tmp_ctx, &res, dn, attrs,
2582 DSDB_SEARCH_SHOW_DELETED |
2583 DSDB_SEARCH_SHOW_RECYCLED);
2584 if (ret != LDB_SUCCESS) {
2585 talloc_free(tmp_ctx);
2588 if (res->count < 1) {
2589 talloc_free(tmp_ctx);
2590 return LDB_ERR_NO_SUCH_OBJECT;
2592 s = samdb_result_dom_sid(tmp_ctx, res->msgs[0], "objectSid");
2594 talloc_free(tmp_ctx);
2595 return LDB_ERR_NO_SUCH_OBJECT;
2598 talloc_free(tmp_ctx);
2603 use a SID to find a DN
2605 int dsdb_find_dn_by_sid(struct ldb_context *ldb,
2606 TALLOC_CTX *mem_ctx,
2607 struct dom_sid *sid, struct ldb_dn **dn)
2610 struct ldb_result *res;
2611 const char *attrs[] = { NULL };
2612 char *sid_str = ldap_encode_ndr_dom_sid(mem_ctx, sid);
2615 return ldb_operr(ldb);
2618 ret = dsdb_search(ldb, mem_ctx, &res, NULL, LDB_SCOPE_SUBTREE, attrs,
2619 DSDB_SEARCH_SEARCH_ALL_PARTITIONS |
2620 DSDB_SEARCH_SHOW_EXTENDED_DN |
2621 DSDB_SEARCH_ONE_ONLY,
2622 "objectSid=%s", sid_str);
2623 talloc_free(sid_str);
2624 if (ret != LDB_SUCCESS) {
2628 *dn = talloc_steal(mem_ctx, res->msgs[0]->dn);
2635 load a repsFromTo blob list for a given partition GUID
2636 attr must be "repsFrom" or "repsTo"
2638 WERROR dsdb_loadreps(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx, struct ldb_dn *dn,
2639 const char *attr, struct repsFromToBlob **r, uint32_t *count)
2641 const char *attrs[] = { attr, NULL };
2642 struct ldb_result *res = NULL;
2643 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
2645 struct ldb_message_element *el;
2651 ret = dsdb_search_dn(sam_ctx, tmp_ctx, &res, dn, attrs, 0);
2652 if (ret == LDB_ERR_NO_SUCH_OBJECT) {
2653 /* partition hasn't been replicated yet */
2656 if (ret != LDB_SUCCESS) {
2657 DEBUG(0,("dsdb_loadreps: failed to read partition object: %s\n", ldb_errstring(sam_ctx)));
2658 talloc_free(tmp_ctx);
2659 return WERR_DS_DRA_INTERNAL_ERROR;
2662 el = ldb_msg_find_element(res->msgs[0], attr);
2664 /* it's OK to be empty */
2665 talloc_free(tmp_ctx);
2669 *count = el->num_values;
2670 *r = talloc_array(mem_ctx, struct repsFromToBlob, *count);
2672 talloc_free(tmp_ctx);
2673 return WERR_DS_DRA_INTERNAL_ERROR;
2676 for (i=0; i<(*count); i++) {
2677 enum ndr_err_code ndr_err;
2678 ndr_err = ndr_pull_struct_blob(&el->values[i],
2681 (ndr_pull_flags_fn_t)ndr_pull_repsFromToBlob);
2682 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
2683 talloc_free(tmp_ctx);
2684 return WERR_DS_DRA_INTERNAL_ERROR;
2688 talloc_free(tmp_ctx);
2694 save the repsFromTo blob list for a given partition GUID
2695 attr must be "repsFrom" or "repsTo"
2697 WERROR dsdb_savereps(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx, struct ldb_dn *dn,
2698 const char *attr, struct repsFromToBlob *r, uint32_t count)
2700 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
2701 struct ldb_message *msg;
2702 struct ldb_message_element *el;
2705 msg = ldb_msg_new(tmp_ctx);
2707 if (ldb_msg_add_empty(msg, attr, LDB_FLAG_MOD_REPLACE, &el) != LDB_SUCCESS) {
2711 el->values = talloc_array(msg, struct ldb_val, count);
2716 for (i=0; i<count; i++) {
2718 enum ndr_err_code ndr_err;
2720 ndr_err = ndr_push_struct_blob(&v, tmp_ctx,
2722 (ndr_push_flags_fn_t)ndr_push_repsFromToBlob);
2723 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
2731 if (dsdb_modify(sam_ctx, msg, 0) != LDB_SUCCESS) {
2732 DEBUG(0,("Failed to store %s - %s\n", attr, ldb_errstring(sam_ctx)));
2736 talloc_free(tmp_ctx);
2741 talloc_free(tmp_ctx);
2742 return WERR_DS_DRA_INTERNAL_ERROR;
2747 load the uSNHighest and the uSNUrgent attributes from the @REPLCHANGED
2748 object for a partition
2750 int dsdb_load_partition_usn(struct ldb_context *ldb, struct ldb_dn *dn,
2751 uint64_t *uSN, uint64_t *urgent_uSN)
2753 struct ldb_request *req;
2755 TALLOC_CTX *tmp_ctx = talloc_new(ldb);
2756 struct dsdb_control_current_partition *p_ctrl;
2757 struct ldb_result *res;
2759 res = talloc_zero(tmp_ctx, struct ldb_result);
2761 talloc_free(tmp_ctx);
2762 return ldb_oom(ldb);
2765 ret = ldb_build_search_req(&req, ldb, tmp_ctx,
2766 ldb_dn_new(tmp_ctx, ldb, "@REPLCHANGED"),
2770 res, ldb_search_default_callback,
2772 if (ret != LDB_SUCCESS) {
2773 talloc_free(tmp_ctx);
2777 p_ctrl = talloc(req, struct dsdb_control_current_partition);
2778 if (p_ctrl == NULL) {
2779 talloc_free(tmp_ctx);
2780 return ldb_oom(ldb);
2782 p_ctrl->version = DSDB_CONTROL_CURRENT_PARTITION_VERSION;
2785 ret = ldb_request_add_control(req,
2786 DSDB_CONTROL_CURRENT_PARTITION_OID,
2788 if (ret != LDB_SUCCESS) {
2789 talloc_free(tmp_ctx);
2793 /* Run the new request */
2794 ret = ldb_request(ldb, req);
2796 if (ret == LDB_SUCCESS) {
2797 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
2800 if (ret == LDB_ERR_NO_SUCH_OBJECT || ret == LDB_ERR_INVALID_DN_SYNTAX) {
2801 /* it hasn't been created yet, which means
2802 an implicit value of zero */
2804 talloc_free(tmp_ctx);
2808 if (ret != LDB_SUCCESS) {
2809 talloc_free(tmp_ctx);
2813 if (res->count < 1) {
2819 *uSN = ldb_msg_find_attr_as_uint64(res->msgs[0], "uSNHighest", 0);
2821 *urgent_uSN = ldb_msg_find_attr_as_uint64(res->msgs[0], "uSNUrgent", 0);
2825 talloc_free(tmp_ctx);
2830 int drsuapi_DsReplicaCursor2_compare(const struct drsuapi_DsReplicaCursor2 *c1,
2831 const struct drsuapi_DsReplicaCursor2 *c2)
2833 return GUID_compare(&c1->source_dsa_invocation_id, &c2->source_dsa_invocation_id);
2836 int drsuapi_DsReplicaCursor_compare(const struct drsuapi_DsReplicaCursor *c1,
2837 const struct drsuapi_DsReplicaCursor *c2)
2839 return GUID_compare(&c1->source_dsa_invocation_id, &c2->source_dsa_invocation_id);
2844 see if a computer identified by its invocationId is a RODC
2846 int samdb_is_rodc(struct ldb_context *sam_ctx, const struct GUID *objectGUID, bool *is_rodc)
2848 /* 1) find the DN for this servers NTDSDSA object
2849 2) search for the msDS-isRODC attribute
2850 3) if not present then not a RODC
2851 4) if present and TRUE then is a RODC
2853 struct ldb_dn *config_dn;
2854 const char *attrs[] = { "msDS-isRODC", NULL };
2856 struct ldb_result *res;
2857 TALLOC_CTX *tmp_ctx = talloc_new(sam_ctx);
2859 config_dn = ldb_get_config_basedn(sam_ctx);
2861 talloc_free(tmp_ctx);
2862 return ldb_operr(sam_ctx);
2865 ret = dsdb_search(sam_ctx, tmp_ctx, &res, config_dn, LDB_SCOPE_SUBTREE, attrs,
2866 DSDB_SEARCH_ONE_ONLY, "objectGUID=%s", GUID_string(tmp_ctx, objectGUID));
2868 if (ret == LDB_ERR_NO_SUCH_OBJECT) {
2870 talloc_free(tmp_ctx);
2874 if (ret != LDB_SUCCESS) {
2875 DEBUG(1,(("Failed to find our own NTDS Settings object by objectGUID=%s!\n"),
2876 GUID_string(tmp_ctx, objectGUID)));
2878 talloc_free(tmp_ctx);
2882 ret = ldb_msg_find_attr_as_bool(res->msgs[0], "msDS-isRODC", 0);
2883 *is_rodc = (ret == 1);
2885 talloc_free(tmp_ctx);
2891 see if we are a RODC
2893 int samdb_rodc(struct ldb_context *sam_ctx, bool *am_rodc)
2895 const struct GUID *objectGUID;
2899 /* see if we have a cached copy */
2900 cached = (bool *)ldb_get_opaque(sam_ctx, "cache.am_rodc");
2906 objectGUID = samdb_ntds_objectGUID(sam_ctx);
2908 return ldb_operr(sam_ctx);
2911 ret = samdb_is_rodc(sam_ctx, objectGUID, am_rodc);
2912 if (ret != LDB_SUCCESS) {
2916 cached = talloc(sam_ctx, bool);
2917 if (cached == NULL) {
2918 return ldb_oom(sam_ctx);
2922 ret = ldb_set_opaque(sam_ctx, "cache.am_rodc", cached);
2923 if (ret != LDB_SUCCESS) {
2924 talloc_free(cached);
2925 return ldb_operr(sam_ctx);
2931 bool samdb_set_am_rodc(struct ldb_context *ldb, bool am_rodc)
2933 TALLOC_CTX *tmp_ctx;
2936 tmp_ctx = talloc_new(ldb);
2937 if (tmp_ctx == NULL) {
2941 cached = talloc(tmp_ctx, bool);
2947 if (ldb_set_opaque(ldb, "cache.am_rodc", cached) != LDB_SUCCESS) {
2951 talloc_steal(ldb, cached);
2952 talloc_free(tmp_ctx);
2956 DEBUG(1,("Failed to set our own cached am_rodc in the ldb!\n"));
2957 talloc_free(tmp_ctx);
2963 * return NTDSSiteSettings options. See MS-ADTS 7.1.1.2.2.1.1
2964 * flags are DS_NTDSSETTINGS_OPT_*
2966 int samdb_ntds_site_settings_options(struct ldb_context *ldb_ctx,
2970 TALLOC_CTX *tmp_ctx;
2971 struct ldb_result *res;
2972 struct ldb_dn *site_dn;
2973 const char *attrs[] = { "options", NULL };
2975 tmp_ctx = talloc_new(ldb_ctx);
2976 if (tmp_ctx == NULL)
2979 /* Retrieve the site dn for the ldb that we
2980 * have open. This is our local site.
2982 site_dn = samdb_server_site_dn(ldb_ctx, tmp_ctx);
2983 if (site_dn == NULL)
2986 /* Perform a one level (child) search from the local
2987 * site distinguided name. We're looking for the
2988 * "options" attribute within the nTDSSiteSettings
2991 rc = ldb_search(ldb_ctx, tmp_ctx, &res, site_dn,
2992 LDB_SCOPE_ONELEVEL, attrs,
2993 "objectClass=nTDSSiteSettings");
2995 if (rc != LDB_SUCCESS || res->count != 1)
2998 *options = ldb_msg_find_attr_as_uint(res->msgs[0], "options", 0);
3000 talloc_free(tmp_ctx);
3005 DEBUG(1,("Failed to find our NTDS Site Settings options in ldb!\n"));
3006 talloc_free(tmp_ctx);
3007 return LDB_ERR_NO_SUCH_OBJECT;
3011 return NTDS options flags. See MS-ADTS 7.1.1.2.2.1.2.1.1
3013 flags are DS_NTDS_OPTION_*
3015 int samdb_ntds_options(struct ldb_context *ldb, uint32_t *options)
3017 TALLOC_CTX *tmp_ctx;
3018 const char *attrs[] = { "options", NULL };
3020 struct ldb_result *res;
3022 tmp_ctx = talloc_new(ldb);
3023 if (tmp_ctx == NULL) {
3027 ret = ldb_search(ldb, tmp_ctx, &res, samdb_ntds_settings_dn(ldb, tmp_ctx), LDB_SCOPE_BASE, attrs, NULL);
3028 if (ret != LDB_SUCCESS) {
3032 if (res->count != 1) {
3036 *options = ldb_msg_find_attr_as_uint(res->msgs[0], "options", 0);
3038 talloc_free(tmp_ctx);
3043 DEBUG(1,("Failed to find our own NTDS Settings options in the ldb!\n"));
3044 talloc_free(tmp_ctx);
3045 return LDB_ERR_NO_SUCH_OBJECT;
3048 const char* samdb_ntds_object_category(TALLOC_CTX *tmp_ctx, struct ldb_context *ldb)
3050 const char *attrs[] = { "objectCategory", NULL };
3052 struct ldb_result *res;
3054 ret = ldb_search(ldb, tmp_ctx, &res, samdb_ntds_settings_dn(ldb, tmp_ctx), LDB_SCOPE_BASE, attrs, NULL);
3055 if (ret != LDB_SUCCESS) {
3059 if (res->count != 1) {
3063 return ldb_msg_find_attr_as_string(res->msgs[0], "objectCategory", NULL);
3066 DEBUG(1,("Failed to find our own NTDS Settings objectCategory in the ldb!\n"));
3071 * Function which generates a "lDAPDisplayName" attribute from a "CN" one.
3072 * Algorithm implemented according to MS-ADTS 3.1.1.2.3.4
3074 const char *samdb_cn_to_lDAPDisplayName(TALLOC_CTX *mem_ctx, const char *cn)
3076 char **tokens, *ret;
3079 tokens = str_list_make(mem_ctx, cn, " -_");
3083 /* "tolower()" and "toupper()" should also work properly on 0x00 */
3084 tokens[0][0] = tolower(tokens[0][0]);
3085 for (i = 1; i < str_list_length((const char * const *)tokens); i++)
3086 tokens[i][0] = toupper(tokens[i][0]);
3088 ret = talloc_strdup(mem_ctx, tokens[0]);
3089 for (i = 1; i < str_list_length((const char * const *)tokens); i++)
3090 ret = talloc_asprintf_append_buffer(ret, "%s", tokens[i]);
3092 talloc_free(tokens);
3098 * This detects and returns the domain functional level (DS_DOMAIN_FUNCTION_*)
3100 int dsdb_functional_level(struct ldb_context *ldb)
3102 int *domainFunctionality =
3103 talloc_get_type(ldb_get_opaque(ldb, "domainFunctionality"), int);
3104 if (!domainFunctionality) {
3105 /* this is expected during initial provision */
3106 DEBUG(4,(__location__ ": WARNING: domainFunctionality not setup\n"));
3107 return DS_DOMAIN_FUNCTION_2000;
3109 return *domainFunctionality;
3113 * This detects and returns the forest functional level (DS_DOMAIN_FUNCTION_*)
3115 int dsdb_forest_functional_level(struct ldb_context *ldb)
3117 int *forestFunctionality =
3118 talloc_get_type(ldb_get_opaque(ldb, "forestFunctionality"), int);
3119 if (!forestFunctionality) {
3120 DEBUG(0,(__location__ ": WARNING: forestFunctionality not setup\n"));
3121 return DS_DOMAIN_FUNCTION_2000;
3123 return *forestFunctionality;
3127 set a GUID in an extended DN structure
3129 int dsdb_set_extended_dn_guid(struct ldb_dn *dn, const struct GUID *guid, const char *component_name)
3135 status = GUID_to_ndr_blob(guid, dn, &v);
3136 if (!NT_STATUS_IS_OK(status)) {
3137 return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
3140 ret = ldb_dn_set_extended_component(dn, component_name, &v);
3146 return a GUID from a extended DN structure
3148 NTSTATUS dsdb_get_extended_dn_guid(struct ldb_dn *dn, struct GUID *guid, const char *component_name)
3150 const struct ldb_val *v;
3152 v = ldb_dn_get_extended_component(dn, component_name);
3154 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
3157 return GUID_from_ndr_blob(v, guid);
3161 return a uint64_t from a extended DN structure
3163 NTSTATUS dsdb_get_extended_dn_uint64(struct ldb_dn *dn, uint64_t *val, const char *component_name)
3165 const struct ldb_val *v;
3168 v = ldb_dn_get_extended_component(dn, component_name);
3170 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
3172 s = talloc_strndup(dn, (const char *)v->data, v->length);
3173 NT_STATUS_HAVE_NO_MEMORY(s);
3175 *val = strtoull(s, NULL, 0);
3178 return NT_STATUS_OK;
3182 return a NTTIME from a extended DN structure
3184 NTSTATUS dsdb_get_extended_dn_nttime(struct ldb_dn *dn, NTTIME *nttime, const char *component_name)
3186 return dsdb_get_extended_dn_uint64(dn, nttime, component_name);
3190 return a uint32_t from a extended DN structure
3192 NTSTATUS dsdb_get_extended_dn_uint32(struct ldb_dn *dn, uint32_t *val, const char *component_name)
3194 const struct ldb_val *v;
3197 v = ldb_dn_get_extended_component(dn, component_name);
3199 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
3202 s = talloc_strndup(dn, (const char *)v->data, v->length);
3203 NT_STATUS_HAVE_NO_MEMORY(s);
3205 *val = strtoul(s, NULL, 0);
3208 return NT_STATUS_OK;
3212 return a dom_sid from a extended DN structure
3214 NTSTATUS dsdb_get_extended_dn_sid(struct ldb_dn *dn, struct dom_sid *sid, const char *component_name)
3216 const struct ldb_val *sid_blob;
3217 struct TALLOC_CTX *tmp_ctx;
3218 enum ndr_err_code ndr_err;
3220 sid_blob = ldb_dn_get_extended_component(dn, component_name);
3222 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
3225 tmp_ctx = talloc_new(NULL);
3227 ndr_err = ndr_pull_struct_blob_all(sid_blob, tmp_ctx, sid,
3228 (ndr_pull_flags_fn_t)ndr_pull_dom_sid);
3229 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
3230 NTSTATUS status = ndr_map_error2ntstatus(ndr_err);
3231 talloc_free(tmp_ctx);
3235 talloc_free(tmp_ctx);
3236 return NT_STATUS_OK;
3241 return RMD_FLAGS directly from a ldb_dn
3242 returns 0 if not found
3244 uint32_t dsdb_dn_rmd_flags(struct ldb_dn *dn)
3246 const struct ldb_val *v;
3248 v = ldb_dn_get_extended_component(dn, "RMD_FLAGS");
3249 if (!v || v->length > sizeof(buf)-1) return 0;
3250 strncpy(buf, (const char *)v->data, v->length);
3252 return strtoul(buf, NULL, 10);
3256 return RMD_FLAGS directly from a ldb_val for a DN
3257 returns 0 if RMD_FLAGS is not found
3259 uint32_t dsdb_dn_val_rmd_flags(const struct ldb_val *val)
3265 if (val->length < 13) {
3268 p = memmem(val->data, val->length, "<RMD_FLAGS=", 11);
3272 flags = strtoul(p+11, &end, 10);
3273 if (!end || *end != '>') {
3274 /* it must end in a > */
3281 return true if a ldb_val containing a DN in storage form is deleted
3283 bool dsdb_dn_is_deleted_val(const struct ldb_val *val)
3285 return (dsdb_dn_val_rmd_flags(val) & DSDB_RMD_FLAG_DELETED) != 0;
3289 return true if a ldb_val containing a DN in storage form is
3290 in the upgraded w2k3 linked attribute format
3292 bool dsdb_dn_is_upgraded_link_val(struct ldb_val *val)
3294 return memmem(val->data, val->length, "<RMD_VERSION=", 13) != NULL;
3298 return a DN for a wellknown GUID
3300 int dsdb_wellknown_dn(struct ldb_context *samdb, TALLOC_CTX *mem_ctx,
3301 struct ldb_dn *nc_root, const char *wk_guid,
3302 struct ldb_dn **wkguid_dn)
3304 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
3305 const char *attrs[] = { NULL };
3308 struct ldb_result *res;
3310 /* construct the magic WKGUID DN */
3311 dn = ldb_dn_new_fmt(tmp_ctx, samdb, "<WKGUID=%s,%s>",
3312 wk_guid, ldb_dn_get_linearized(nc_root));
3314 talloc_free(tmp_ctx);
3315 return ldb_operr(samdb);
3318 ret = dsdb_search_dn(samdb, tmp_ctx, &res, dn, attrs,
3319 DSDB_SEARCH_SHOW_DELETED |
3320 DSDB_SEARCH_SHOW_RECYCLED);
3321 if (ret != LDB_SUCCESS) {
3322 talloc_free(tmp_ctx);
3326 (*wkguid_dn) = talloc_steal(mem_ctx, res->msgs[0]->dn);
3327 talloc_free(tmp_ctx);
3332 static int dsdb_dn_compare_ptrs(struct ldb_dn **dn1, struct ldb_dn **dn2)
3334 return ldb_dn_compare(*dn1, *dn2);
3338 find a NC root given a DN within the NC
3340 int dsdb_find_nc_root(struct ldb_context *samdb, TALLOC_CTX *mem_ctx, struct ldb_dn *dn,
3341 struct ldb_dn **nc_root)
3343 const char *root_attrs[] = { "namingContexts", NULL };
3344 TALLOC_CTX *tmp_ctx;
3346 struct ldb_message_element *el;
3347 struct ldb_result *root_res;
3349 struct ldb_dn **nc_dns;
3351 tmp_ctx = talloc_new(samdb);
3352 if (tmp_ctx == NULL) {
3353 return ldb_oom(samdb);
3356 ret = ldb_search(samdb, tmp_ctx, &root_res,
3357 ldb_dn_new(tmp_ctx, samdb, ""), LDB_SCOPE_BASE, root_attrs, NULL);
3358 if (ret != LDB_SUCCESS) {
3359 DEBUG(1,("Searching for namingContexts in rootDSE failed: %s\n", ldb_errstring(samdb)));
3360 talloc_free(tmp_ctx);
3364 el = ldb_msg_find_element(root_res->msgs[0], "namingContexts");
3365 if ((el == NULL) || (el->num_values < 3)) {
3366 struct ldb_message *tmp_msg;
3368 DEBUG(5,("dsdb_find_nc_root: Finding a valid 'namingContexts' element in the RootDSE failed. Using a temporary list."));
3370 /* This generates a temporary list of NCs in order to let the
3371 * provisioning work. */
3372 tmp_msg = ldb_msg_new(tmp_ctx);
3373 if (tmp_msg == NULL) {
3374 talloc_free(tmp_ctx);
3375 return ldb_oom(samdb);
3377 ret = ldb_msg_add_steal_string(tmp_msg, "namingContexts",
3378 ldb_dn_alloc_linearized(tmp_msg, ldb_get_schema_basedn(samdb)));
3379 if (ret != LDB_SUCCESS) {
3380 talloc_free(tmp_ctx);
3383 ret = ldb_msg_add_steal_string(tmp_msg, "namingContexts",
3384 ldb_dn_alloc_linearized(tmp_msg, ldb_get_config_basedn(samdb)));
3385 if (ret != LDB_SUCCESS) {
3386 talloc_free(tmp_ctx);
3389 ret = ldb_msg_add_steal_string(tmp_msg, "namingContexts",
3390 ldb_dn_alloc_linearized(tmp_msg, ldb_get_default_basedn(samdb)));
3391 if (ret != LDB_SUCCESS) {
3392 talloc_free(tmp_ctx);
3395 el = &tmp_msg->elements[0];
3398 nc_dns = talloc_array(tmp_ctx, struct ldb_dn *, el->num_values);
3400 talloc_free(tmp_ctx);
3401 return ldb_oom(samdb);
3404 for (i=0; i<el->num_values; i++) {
3405 nc_dns[i] = ldb_dn_from_ldb_val(nc_dns, samdb, &el->values[i]);
3406 if (nc_dns[i] == NULL) {
3407 talloc_free(tmp_ctx);
3408 return ldb_operr(samdb);
3412 TYPESAFE_QSORT(nc_dns, el->num_values, dsdb_dn_compare_ptrs);
3414 for (i=0; i<el->num_values; i++) {
3415 if (ldb_dn_compare_base(nc_dns[i], dn) == 0) {
3416 (*nc_root) = talloc_steal(mem_ctx, nc_dns[i]);
3417 talloc_free(tmp_ctx);
3422 talloc_free(tmp_ctx);
3423 return LDB_ERR_NO_SUCH_OBJECT;
3428 find the deleted objects DN for any object, by looking for the NC
3429 root, then looking up the wellknown GUID
3431 int dsdb_get_deleted_objects_dn(struct ldb_context *ldb,
3432 TALLOC_CTX *mem_ctx, struct ldb_dn *obj_dn,
3433 struct ldb_dn **do_dn)
3435 struct ldb_dn *nc_root;
3438 ret = dsdb_find_nc_root(ldb, mem_ctx, obj_dn, &nc_root);
3439 if (ret != LDB_SUCCESS) {
3443 ret = dsdb_wellknown_dn(ldb, mem_ctx, nc_root, DS_GUID_DELETED_OBJECTS_CONTAINER, do_dn);
3444 talloc_free(nc_root);
3449 return the tombstoneLifetime, in days
3451 int dsdb_tombstone_lifetime(struct ldb_context *ldb, uint32_t *lifetime)
3454 dn = ldb_get_config_basedn(ldb);
3456 return LDB_ERR_NO_SUCH_OBJECT;
3458 dn = ldb_dn_copy(ldb, dn);
3460 return ldb_operr(ldb);
3462 /* see MS-ADTS section 7.1.1.2.4.1.1. There doesn't appear to
3463 be a wellknown GUID for this */
3464 if (!ldb_dn_add_child_fmt(dn, "CN=Directory Service,CN=Windows NT,CN=Services")) {
3466 return ldb_operr(ldb);
3469 *lifetime = samdb_search_uint(ldb, dn, 180, dn, "tombstoneLifetime", "objectClass=nTDSService");
3475 compare a ldb_val to a string case insensitively
3477 int samdb_ldb_val_case_cmp(const char *s, struct ldb_val *v)
3479 size_t len = strlen(s);
3481 if (len > v->length) return 1;
3482 ret = strncasecmp(s, (const char *)v->data, v->length);
3483 if (ret != 0) return ret;
3484 if (v->length > len && v->data[len] != 0) {
3492 load the UDV for a partition in v2 format
3493 The list is returned sorted, and with our local cursor added
3495 int dsdb_load_udv_v2(struct ldb_context *samdb, struct ldb_dn *dn, TALLOC_CTX *mem_ctx,
3496 struct drsuapi_DsReplicaCursor2 **cursors, uint32_t *count)
3498 static const char *attrs[] = { "replUpToDateVector", NULL };
3499 struct ldb_result *r;
3500 const struct ldb_val *ouv_value;
3503 uint64_t highest_usn = 0;
3504 const struct GUID *our_invocation_id;
3505 static const struct timeval tv1970;
3506 NTTIME nt1970 = timeval_to_nttime(&tv1970);
3508 ret = ldb_search(samdb, mem_ctx, &r, dn, LDB_SCOPE_BASE, attrs, NULL);
3509 if (ret != LDB_SUCCESS) {
3513 ouv_value = ldb_msg_find_ldb_val(r->msgs[0], "replUpToDateVector");
3515 enum ndr_err_code ndr_err;
3516 struct replUpToDateVectorBlob ouv;
3518 ndr_err = ndr_pull_struct_blob(ouv_value, r, &ouv,
3519 (ndr_pull_flags_fn_t)ndr_pull_replUpToDateVectorBlob);
3520 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
3522 return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
3524 if (ouv.version != 2) {
3525 /* we always store as version 2, and
3526 * replUpToDateVector is not replicated
3528 return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
3531 *count = ouv.ctr.ctr2.count;
3532 *cursors = talloc_steal(mem_ctx, ouv.ctr.ctr2.cursors);
3540 our_invocation_id = samdb_ntds_invocation_id(samdb);
3541 if (!our_invocation_id) {
3542 DEBUG(0,(__location__ ": No invocationID on samdb - %s\n", ldb_errstring(samdb)));
3543 talloc_free(*cursors);
3544 return ldb_operr(samdb);
3547 ret = ldb_sequence_number(samdb, LDB_SEQ_HIGHEST_SEQ, &highest_usn);
3548 if (ret != LDB_SUCCESS) {
3549 /* nothing to add - this can happen after a vampire */
3550 TYPESAFE_QSORT(*cursors, *count, drsuapi_DsReplicaCursor2_compare);
3554 for (i=0; i<*count; i++) {
3555 if (GUID_equal(our_invocation_id, &(*cursors)[i].source_dsa_invocation_id)) {
3556 (*cursors)[i].highest_usn = highest_usn;
3557 (*cursors)[i].last_sync_success = nt1970;
3558 TYPESAFE_QSORT(*cursors, *count, drsuapi_DsReplicaCursor2_compare);
3563 (*cursors) = talloc_realloc(mem_ctx, *cursors, struct drsuapi_DsReplicaCursor2, (*count)+1);
3565 return ldb_oom(samdb);
3568 (*cursors)[*count].source_dsa_invocation_id = *our_invocation_id;
3569 (*cursors)[*count].highest_usn = highest_usn;
3570 (*cursors)[*count].last_sync_success = nt1970;
3573 TYPESAFE_QSORT(*cursors, *count, drsuapi_DsReplicaCursor2_compare);
3579 load the UDV for a partition in version 1 format
3580 The list is returned sorted, and with our local cursor added
3582 int dsdb_load_udv_v1(struct ldb_context *samdb, struct ldb_dn *dn, TALLOC_CTX *mem_ctx,
3583 struct drsuapi_DsReplicaCursor **cursors, uint32_t *count)
3585 struct drsuapi_DsReplicaCursor2 *v2;
3589 ret = dsdb_load_udv_v2(samdb, dn, mem_ctx, &v2, count);
3590 if (ret != LDB_SUCCESS) {
3600 *cursors = talloc_array(mem_ctx, struct drsuapi_DsReplicaCursor, *count);
3601 if (*cursors == NULL) {
3603 return ldb_oom(samdb);
3606 for (i=0; i<*count; i++) {
3607 (*cursors)[i].source_dsa_invocation_id = v2[i].source_dsa_invocation_id;
3608 (*cursors)[i].highest_usn = v2[i].highest_usn;
3615 add a set of controls to a ldb_request structure based on a set of
3616 flags. See util.h for a list of available flags
3618 int dsdb_request_add_controls(struct ldb_request *req, uint32_t dsdb_flags)
3621 if (dsdb_flags & DSDB_SEARCH_SEARCH_ALL_PARTITIONS) {
3622 struct ldb_search_options_control *options;
3623 /* Using the phantom root control allows us to search all partitions */
3624 options = talloc(req, struct ldb_search_options_control);
3625 if (options == NULL) {
3626 return LDB_ERR_OPERATIONS_ERROR;
3628 options->search_options = LDB_SEARCH_OPTION_PHANTOM_ROOT;
3630 ret = ldb_request_add_control(req,
3631 LDB_CONTROL_SEARCH_OPTIONS_OID,
3633 if (ret != LDB_SUCCESS) {
3638 if (dsdb_flags & DSDB_SEARCH_NO_GLOBAL_CATALOG) {
3639 ret = ldb_request_add_control(req,
3640 DSDB_CONTROL_NO_GLOBAL_CATALOG,
3642 if (ret != LDB_SUCCESS) {
3647 if (dsdb_flags & DSDB_SEARCH_SHOW_DELETED) {
3648 ret = ldb_request_add_control(req, LDB_CONTROL_SHOW_DELETED_OID, true, NULL);
3649 if (ret != LDB_SUCCESS) {
3654 if (dsdb_flags & DSDB_SEARCH_SHOW_RECYCLED) {
3655 ret = ldb_request_add_control(req, LDB_CONTROL_SHOW_RECYCLED_OID, false, NULL);
3656 if (ret != LDB_SUCCESS) {
3661 if (dsdb_flags & DSDB_SEARCH_SHOW_DN_IN_STORAGE_FORMAT) {
3662 ret = ldb_request_add_control(req, DSDB_CONTROL_DN_STORAGE_FORMAT_OID, false, NULL);
3663 if (ret != LDB_SUCCESS) {
3668 if (dsdb_flags & DSDB_SEARCH_SHOW_EXTENDED_DN) {
3669 struct ldb_extended_dn_control *extended_ctrl = talloc(req, struct ldb_extended_dn_control);
3670 if (!extended_ctrl) {
3671 return LDB_ERR_OPERATIONS_ERROR;
3673 extended_ctrl->type = 1;
3675 ret = ldb_request_add_control(req, LDB_CONTROL_EXTENDED_DN_OID, true, extended_ctrl);
3676 if (ret != LDB_SUCCESS) {
3681 if (dsdb_flags & DSDB_SEARCH_REVEAL_INTERNALS) {
3682 ret = ldb_request_add_control(req, LDB_CONTROL_REVEAL_INTERNALS, false, NULL);
3683 if (ret != LDB_SUCCESS) {
3688 if (dsdb_flags & DSDB_MODIFY_RELAX) {
3689 ret = ldb_request_add_control(req, LDB_CONTROL_RELAX_OID, false, NULL);
3690 if (ret != LDB_SUCCESS) {
3695 if (dsdb_flags & DSDB_MODIFY_PERMISSIVE) {
3696 ret = ldb_request_add_control(req, LDB_CONTROL_PERMISSIVE_MODIFY_OID, false, NULL);
3697 if (ret != LDB_SUCCESS) {
3702 if (dsdb_flags & DSDB_FLAG_AS_SYSTEM) {
3703 ret = ldb_request_add_control(req, LDB_CONTROL_AS_SYSTEM_OID, false, NULL);
3704 if (ret != LDB_SUCCESS) {
3709 if (dsdb_flags & DSDB_TREE_DELETE) {
3710 ret = ldb_request_add_control(req, LDB_CONTROL_TREE_DELETE_OID, false, NULL);
3711 if (ret != LDB_SUCCESS) {
3716 if (dsdb_flags & DSDB_PROVISION) {
3717 ret = ldb_request_add_control(req, LDB_CONTROL_PROVISION_OID, false, NULL);
3718 if (ret != LDB_SUCCESS) {
3723 /* This is a special control to bypass the password_hash module for use in pdb_samba4 for Samba3 upgrades */
3724 if (dsdb_flags & DSDB_BYPASS_PASSWORD_HASH) {
3725 ret = ldb_request_add_control(req, DSDB_CONTROL_BYPASS_PASSWORD_HASH_OID, true, NULL);
3726 if (ret != LDB_SUCCESS) {
3731 if (dsdb_flags & DSDB_PASSWORD_BYPASS_LAST_SET) {
3733 * This must not be critical, as it will only be
3734 * handled (and need to be handled) if the other
3735 * attributes in the request bring password_hash into
3738 ret = ldb_request_add_control(req, DSDB_CONTROL_PASSWORD_BYPASS_LAST_SET_OID, false, NULL);
3739 if (ret != LDB_SUCCESS) {
3744 if (dsdb_flags & DSDB_MODIFY_PARTIAL_REPLICA) {
3745 ret = ldb_request_add_control(req, DSDB_CONTROL_PARTIAL_REPLICA, false, NULL);
3746 if (ret != LDB_SUCCESS) {
3755 an add with a set of controls
3757 int dsdb_add(struct ldb_context *ldb, const struct ldb_message *message,
3758 uint32_t dsdb_flags)
3760 struct ldb_request *req;
3763 ret = ldb_build_add_req(&req, ldb, ldb,
3767 ldb_op_default_callback,
3770 if (ret != LDB_SUCCESS) return ret;
3772 ret = dsdb_request_add_controls(req, dsdb_flags);
3773 if (ret != LDB_SUCCESS) {
3778 ret = dsdb_autotransaction_request(ldb, req);
3785 a modify with a set of controls
3787 int dsdb_modify(struct ldb_context *ldb, const struct ldb_message *message,
3788 uint32_t dsdb_flags)
3790 struct ldb_request *req;
3793 ret = ldb_build_mod_req(&req, ldb, ldb,
3797 ldb_op_default_callback,
3800 if (ret != LDB_SUCCESS) return ret;
3802 ret = dsdb_request_add_controls(req, dsdb_flags);
3803 if (ret != LDB_SUCCESS) {
3808 ret = dsdb_autotransaction_request(ldb, req);
3815 a delete with a set of flags
3817 int dsdb_delete(struct ldb_context *ldb, struct ldb_dn *dn,
3818 uint32_t dsdb_flags)
3820 struct ldb_request *req;
3823 ret = ldb_build_del_req(&req, ldb, ldb,
3827 ldb_op_default_callback,
3830 if (ret != LDB_SUCCESS) return ret;
3832 ret = dsdb_request_add_controls(req, dsdb_flags);
3833 if (ret != LDB_SUCCESS) {
3838 ret = dsdb_autotransaction_request(ldb, req);
3845 like dsdb_modify() but set all the element flags to
3846 LDB_FLAG_MOD_REPLACE
3848 int dsdb_replace(struct ldb_context *ldb, struct ldb_message *msg, uint32_t dsdb_flags)
3852 /* mark all the message elements as LDB_FLAG_MOD_REPLACE */
3853 for (i=0;i<msg->num_elements;i++) {
3854 msg->elements[i].flags = LDB_FLAG_MOD_REPLACE;
3857 return dsdb_modify(ldb, msg, dsdb_flags);
3862 search for attrs on one DN, allowing for dsdb_flags controls
3864 int dsdb_search_dn(struct ldb_context *ldb,
3865 TALLOC_CTX *mem_ctx,
3866 struct ldb_result **_result,
3867 struct ldb_dn *basedn,
3868 const char * const *attrs,
3869 uint32_t dsdb_flags)
3872 struct ldb_request *req;
3873 struct ldb_result *res;
3875 res = talloc_zero(mem_ctx, struct ldb_result);
3877 return ldb_oom(ldb);
3880 ret = ldb_build_search_req(&req, ldb, res,
3887 ldb_search_default_callback,
3889 if (ret != LDB_SUCCESS) {
3894 ret = dsdb_request_add_controls(req, dsdb_flags);
3895 if (ret != LDB_SUCCESS) {
3900 ret = ldb_request(ldb, req);
3901 if (ret == LDB_SUCCESS) {
3902 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
3906 if (ret != LDB_SUCCESS) {
3916 search for attrs on one DN, by the GUID of the DN, allowing for
3919 int dsdb_search_by_dn_guid(struct ldb_context *ldb,
3920 TALLOC_CTX *mem_ctx,
3921 struct ldb_result **_result,
3922 const struct GUID *guid,
3923 const char * const *attrs,
3924 uint32_t dsdb_flags)
3926 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
3930 dn = ldb_dn_new_fmt(tmp_ctx, ldb, "<GUID=%s>", GUID_string(tmp_ctx, guid));
3932 talloc_free(tmp_ctx);
3933 return ldb_oom(ldb);
3936 ret = dsdb_search_dn(ldb, mem_ctx, _result, dn, attrs, dsdb_flags);
3937 talloc_free(tmp_ctx);
3942 general search with dsdb_flags for controls
3944 int dsdb_search(struct ldb_context *ldb,
3945 TALLOC_CTX *mem_ctx,
3946 struct ldb_result **_result,
3947 struct ldb_dn *basedn,
3948 enum ldb_scope scope,
3949 const char * const *attrs,
3950 uint32_t dsdb_flags,
3951 const char *exp_fmt, ...) _PRINTF_ATTRIBUTE(8, 9)
3954 struct ldb_request *req;
3955 struct ldb_result *res;
3957 char *expression = NULL;
3958 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
3960 /* cross-partitions searches with a basedn break multi-domain support */
3961 SMB_ASSERT(basedn == NULL || (dsdb_flags & DSDB_SEARCH_SEARCH_ALL_PARTITIONS) == 0);
3963 res = talloc_zero(tmp_ctx, struct ldb_result);
3965 talloc_free(tmp_ctx);
3966 return ldb_oom(ldb);
3970 va_start(ap, exp_fmt);
3971 expression = talloc_vasprintf(tmp_ctx, exp_fmt, ap);
3975 talloc_free(tmp_ctx);
3976 return ldb_oom(ldb);
3980 ret = ldb_build_search_req(&req, ldb, tmp_ctx,
3987 ldb_search_default_callback,
3989 if (ret != LDB_SUCCESS) {
3990 talloc_free(tmp_ctx);
3994 ret = dsdb_request_add_controls(req, dsdb_flags);
3995 if (ret != LDB_SUCCESS) {
3996 talloc_free(tmp_ctx);
3997 ldb_reset_err_string(ldb);
4001 ret = ldb_request(ldb, req);
4002 if (ret == LDB_SUCCESS) {
4003 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
4006 if (ret != LDB_SUCCESS) {
4007 talloc_free(tmp_ctx);
4011 if (dsdb_flags & DSDB_SEARCH_ONE_ONLY) {
4012 if (res->count == 0) {
4013 talloc_free(tmp_ctx);
4014 ldb_reset_err_string(ldb);
4015 return LDB_ERR_NO_SUCH_OBJECT;
4017 if (res->count != 1) {
4018 talloc_free(tmp_ctx);
4019 ldb_reset_err_string(ldb);
4020 return LDB_ERR_CONSTRAINT_VIOLATION;
4024 *_result = talloc_steal(mem_ctx, res);
4025 talloc_free(tmp_ctx);
4032 general search with dsdb_flags for controls
4033 returns exactly 1 record or an error
4035 int dsdb_search_one(struct ldb_context *ldb,
4036 TALLOC_CTX *mem_ctx,
4037 struct ldb_message **msg,
4038 struct ldb_dn *basedn,
4039 enum ldb_scope scope,
4040 const char * const *attrs,
4041 uint32_t dsdb_flags,
4042 const char *exp_fmt, ...) _PRINTF_ATTRIBUTE(8, 9)
4045 struct ldb_result *res;
4047 char *expression = NULL;
4048 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
4050 dsdb_flags |= DSDB_SEARCH_ONE_ONLY;
4052 res = talloc_zero(tmp_ctx, struct ldb_result);
4054 talloc_free(tmp_ctx);
4055 return ldb_oom(ldb);
4059 va_start(ap, exp_fmt);
4060 expression = talloc_vasprintf(tmp_ctx, exp_fmt, ap);
4064 talloc_free(tmp_ctx);
4065 return ldb_oom(ldb);
4067 ret = dsdb_search(ldb, tmp_ctx, &res, basedn, scope, attrs,
4068 dsdb_flags, "%s", expression);
4070 ret = dsdb_search(ldb, tmp_ctx, &res, basedn, scope, attrs,
4074 if (ret != LDB_SUCCESS) {
4075 talloc_free(tmp_ctx);
4079 *msg = talloc_steal(mem_ctx, res->msgs[0]);
4080 talloc_free(tmp_ctx);
4085 /* returns back the forest DNS name */
4086 const char *samdb_forest_name(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
4088 const char *forest_name = ldb_dn_canonical_string(mem_ctx,
4089 ldb_get_root_basedn(ldb));
4092 if (forest_name == NULL) {
4096 p = strchr(forest_name, '/');
4104 /* returns back the default domain DNS name */
4105 const char *samdb_default_domain_name(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
4107 const char *domain_name = ldb_dn_canonical_string(mem_ctx,
4108 ldb_get_default_basedn(ldb));
4111 if (domain_name == NULL) {
4115 p = strchr(domain_name, '/');
4124 validate that an DSA GUID belongs to the specified user sid.
4125 The user SID must be a domain controller account (either RODC or
4128 int dsdb_validate_dsa_guid(struct ldb_context *ldb,
4129 const struct GUID *dsa_guid,
4130 const struct dom_sid *sid)
4133 - find DN of record with the DSA GUID in the
4134 configuration partition (objectGUID)
4135 - remove "NTDS Settings" component from DN
4136 - do a base search on that DN for serverReference with
4138 - extract objectSid from resulting serverReference
4140 - check this sid matches the sid argument
4142 struct ldb_dn *config_dn;
4143 TALLOC_CTX *tmp_ctx = talloc_new(ldb);
4144 struct ldb_message *msg;
4145 const char *attrs1[] = { NULL };
4146 const char *attrs2[] = { "serverReference", NULL };
4148 struct ldb_dn *dn, *account_dn;
4149 struct dom_sid sid2;
4152 config_dn = ldb_get_config_basedn(ldb);
4154 ret = dsdb_search_one(ldb, tmp_ctx, &msg, config_dn, LDB_SCOPE_SUBTREE,
4155 attrs1, 0, "(&(objectGUID=%s)(objectClass=nTDSDSA))", GUID_string(tmp_ctx, dsa_guid));
4156 if (ret != LDB_SUCCESS) {
4157 DEBUG(1,(__location__ ": Failed to find DSA objectGUID %s for sid %s\n",
4158 GUID_string(tmp_ctx, dsa_guid), dom_sid_string(tmp_ctx, sid)));
4159 talloc_free(tmp_ctx);
4160 return ldb_operr(ldb);
4164 if (!ldb_dn_remove_child_components(dn, 1)) {
4165 talloc_free(tmp_ctx);
4166 return ldb_operr(ldb);
4169 ret = dsdb_search_one(ldb, tmp_ctx, &msg, dn, LDB_SCOPE_BASE,
4170 attrs2, DSDB_SEARCH_SHOW_EXTENDED_DN,
4171 "(objectClass=server)");
4172 if (ret != LDB_SUCCESS) {
4173 DEBUG(1,(__location__ ": Failed to find server record for DSA with objectGUID %s, sid %s\n",
4174 GUID_string(tmp_ctx, dsa_guid), dom_sid_string(tmp_ctx, sid)));
4175 talloc_free(tmp_ctx);
4176 return ldb_operr(ldb);
4179 account_dn = ldb_msg_find_attr_as_dn(ldb, tmp_ctx, msg, "serverReference");
4180 if (account_dn == NULL) {
4181 DEBUG(1,(__location__ ": Failed to find account_dn for DSA with objectGUID %s, sid %s\n",
4182 GUID_string(tmp_ctx, dsa_guid), dom_sid_string(tmp_ctx, sid)));
4183 talloc_free(tmp_ctx);
4184 return ldb_operr(ldb);
4187 status = dsdb_get_extended_dn_sid(account_dn, &sid2, "SID");
4188 if (!NT_STATUS_IS_OK(status)) {
4189 DEBUG(1,(__location__ ": Failed to find SID for DSA with objectGUID %s, sid %s\n",
4190 GUID_string(tmp_ctx, dsa_guid), dom_sid_string(tmp_ctx, sid)));
4191 talloc_free(tmp_ctx);
4192 return ldb_operr(ldb);
4195 if (!dom_sid_equal(sid, &sid2)) {
4196 /* someone is trying to spoof another account */
4197 DEBUG(0,(__location__ ": Bad DSA objectGUID %s for sid %s - expected sid %s\n",
4198 GUID_string(tmp_ctx, dsa_guid),
4199 dom_sid_string(tmp_ctx, sid),
4200 dom_sid_string(tmp_ctx, &sid2)));
4201 talloc_free(tmp_ctx);
4202 return ldb_operr(ldb);
4205 talloc_free(tmp_ctx);
4209 static const char * const secret_attributes[] = {
4210 DSDB_SECRET_ATTRIBUTES,
4215 check if the attribute belongs to the RODC filtered attribute set
4216 Note that attributes that are in the filtered attribute set are the
4217 ones that _are_ always sent to a RODC
4219 bool dsdb_attr_in_rodc_fas(const struct dsdb_attribute *sa)
4221 /* they never get secret attributes */
4222 if (is_attr_in_list(secret_attributes, sa->lDAPDisplayName)) {
4226 /* they do get non-secret critical attributes */
4227 if (sa->schemaFlagsEx & SCHEMA_FLAG_ATTR_IS_CRITICAL) {
4231 /* they do get non-secret attributes marked as being in the FAS */
4232 if (sa->searchFlags & SEARCH_FLAG_RODC_ATTRIBUTE) {
4236 /* other attributes are denied */
4240 /* return fsmo role dn and role owner dn for a particular role*/
4241 WERROR dsdb_get_fsmo_role_info(TALLOC_CTX *tmp_ctx,
4242 struct ldb_context *ldb,
4244 struct ldb_dn **fsmo_role_dn,
4245 struct ldb_dn **role_owner_dn)
4249 case DREPL_NAMING_MASTER:
4250 *fsmo_role_dn = samdb_partitions_dn(ldb, tmp_ctx);
4251 ret = samdb_reference_dn(ldb, tmp_ctx, *fsmo_role_dn, "fSMORoleOwner", role_owner_dn);
4252 if (ret != LDB_SUCCESS) {
4253 DEBUG(0,(__location__ ": Failed to find fSMORoleOwner in Naming Master object - %s",
4254 ldb_errstring(ldb)));
4255 talloc_free(tmp_ctx);
4256 return WERR_DS_DRA_INTERNAL_ERROR;
4259 case DREPL_INFRASTRUCTURE_MASTER:
4260 *fsmo_role_dn = samdb_infrastructure_dn(ldb, tmp_ctx);
4261 ret = samdb_reference_dn(ldb, tmp_ctx, *fsmo_role_dn, "fSMORoleOwner", role_owner_dn);
4262 if (ret != LDB_SUCCESS) {
4263 DEBUG(0,(__location__ ": Failed to find fSMORoleOwner in Schema Master object - %s",
4264 ldb_errstring(ldb)));
4265 talloc_free(tmp_ctx);
4266 return WERR_DS_DRA_INTERNAL_ERROR;
4269 case DREPL_RID_MASTER:
4270 ret = samdb_rid_manager_dn(ldb, tmp_ctx, fsmo_role_dn);
4271 if (ret != LDB_SUCCESS) {
4272 DEBUG(0, (__location__ ": Failed to find RID Manager object - %s", ldb_errstring(ldb)));
4273 talloc_free(tmp_ctx);
4274 return WERR_DS_DRA_INTERNAL_ERROR;
4277 ret = samdb_reference_dn(ldb, tmp_ctx, *fsmo_role_dn, "fSMORoleOwner", role_owner_dn);
4278 if (ret != LDB_SUCCESS) {
4279 DEBUG(0,(__location__ ": Failed to find fSMORoleOwner in RID Manager object - %s",
4280 ldb_errstring(ldb)));
4281 talloc_free(tmp_ctx);
4282 return WERR_DS_DRA_INTERNAL_ERROR;
4285 case DREPL_SCHEMA_MASTER:
4286 *fsmo_role_dn = ldb_get_schema_basedn(ldb);
4287 ret = samdb_reference_dn(ldb, tmp_ctx, *fsmo_role_dn, "fSMORoleOwner", role_owner_dn);
4288 if (ret != LDB_SUCCESS) {
4289 DEBUG(0,(__location__ ": Failed to find fSMORoleOwner in Schema Master object - %s",
4290 ldb_errstring(ldb)));
4291 talloc_free(tmp_ctx);
4292 return WERR_DS_DRA_INTERNAL_ERROR;
4295 case DREPL_PDC_MASTER:
4296 *fsmo_role_dn = ldb_get_default_basedn(ldb);
4297 ret = samdb_reference_dn(ldb, tmp_ctx, *fsmo_role_dn, "fSMORoleOwner", role_owner_dn);
4298 if (ret != LDB_SUCCESS) {
4299 DEBUG(0,(__location__ ": Failed to find fSMORoleOwner in Pd Master object - %s",
4300 ldb_errstring(ldb)));
4301 talloc_free(tmp_ctx);
4302 return WERR_DS_DRA_INTERNAL_ERROR;
4306 return WERR_DS_DRA_INTERNAL_ERROR;
4311 const char *samdb_dn_to_dnshostname(struct ldb_context *ldb,
4312 TALLOC_CTX *mem_ctx,
4313 struct ldb_dn *server_dn)
4316 struct ldb_result *res = NULL;
4317 const char * const attrs[] = { "dNSHostName", NULL};
4319 ldb_ret = ldb_search(ldb, mem_ctx, &res,
4323 if (ldb_ret != LDB_SUCCESS) {
4324 DEBUG(4, ("Failed to find dNSHostName for dn %s, ldb error: %s",
4325 ldb_dn_get_linearized(server_dn), ldb_errstring(ldb)));
4329 return ldb_msg_find_attr_as_string(res->msgs[0], "dNSHostName", NULL);
4333 returns true if an attribute is in the filter,
4334 false otherwise, provided that attribute value is provided with the expression
4336 bool dsdb_attr_in_parse_tree(struct ldb_parse_tree *tree,
4340 switch (tree->operation) {
4343 for (i=0;i<tree->u.list.num_elements;i++) {
4344 if (dsdb_attr_in_parse_tree(tree->u.list.elements[i],
4350 return dsdb_attr_in_parse_tree(tree->u.isnot.child, attr);
4351 case LDB_OP_EQUALITY:
4352 case LDB_OP_GREATER:
4355 if (ldb_attr_cmp(tree->u.equality.attr, attr) == 0) {
4359 case LDB_OP_SUBSTRING:
4360 if (ldb_attr_cmp(tree->u.substring.attr, attr) == 0) {
4364 case LDB_OP_PRESENT:
4365 /* (attrname=*) is not filtered out */
4367 case LDB_OP_EXTENDED:
4368 if (tree->u.extended.attr &&
4369 ldb_attr_cmp(tree->u.extended.attr, attr) == 0) {
4377 bool is_attr_in_list(const char * const * attrs, const char *attr)
4381 for (i = 0; attrs[i]; i++) {
4382 if (ldb_attr_cmp(attrs[i], attr) == 0)
4391 map an ldb error code to an approximate NTSTATUS code
4393 NTSTATUS dsdb_ldb_err_to_ntstatus(int err)
4397 return NT_STATUS_OK;
4399 case LDB_ERR_PROTOCOL_ERROR:
4400 return NT_STATUS_DEVICE_PROTOCOL_ERROR;
4402 case LDB_ERR_TIME_LIMIT_EXCEEDED:
4403 return NT_STATUS_IO_TIMEOUT;
4405 case LDB_ERR_SIZE_LIMIT_EXCEEDED:
4406 return NT_STATUS_BUFFER_TOO_SMALL;
4408 case LDB_ERR_COMPARE_FALSE:
4409 case LDB_ERR_COMPARE_TRUE:
4410 return NT_STATUS_REVISION_MISMATCH;
4412 case LDB_ERR_AUTH_METHOD_NOT_SUPPORTED:
4413 return NT_STATUS_NOT_SUPPORTED;
4415 case LDB_ERR_STRONG_AUTH_REQUIRED:
4416 case LDB_ERR_CONFIDENTIALITY_REQUIRED:
4417 case LDB_ERR_SASL_BIND_IN_PROGRESS:
4418 case LDB_ERR_INAPPROPRIATE_AUTHENTICATION:
4419 case LDB_ERR_INVALID_CREDENTIALS:
4420 case LDB_ERR_INSUFFICIENT_ACCESS_RIGHTS:
4421 case LDB_ERR_UNWILLING_TO_PERFORM:
4422 return NT_STATUS_ACCESS_DENIED;
4424 case LDB_ERR_NO_SUCH_OBJECT:
4425 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
4427 case LDB_ERR_REFERRAL:
4428 case LDB_ERR_NO_SUCH_ATTRIBUTE:
4429 return NT_STATUS_NOT_FOUND;
4431 case LDB_ERR_UNSUPPORTED_CRITICAL_EXTENSION:
4432 return NT_STATUS_NOT_SUPPORTED;
4434 case LDB_ERR_ADMIN_LIMIT_EXCEEDED:
4435 return NT_STATUS_BUFFER_TOO_SMALL;
4437 case LDB_ERR_UNDEFINED_ATTRIBUTE_TYPE:
4438 case LDB_ERR_INAPPROPRIATE_MATCHING:
4439 case LDB_ERR_CONSTRAINT_VIOLATION:
4440 case LDB_ERR_INVALID_ATTRIBUTE_SYNTAX:
4441 case LDB_ERR_INVALID_DN_SYNTAX:
4442 case LDB_ERR_NAMING_VIOLATION:
4443 case LDB_ERR_OBJECT_CLASS_VIOLATION:
4444 case LDB_ERR_NOT_ALLOWED_ON_NON_LEAF:
4445 case LDB_ERR_NOT_ALLOWED_ON_RDN:
4446 return NT_STATUS_INVALID_PARAMETER;
4448 case LDB_ERR_ATTRIBUTE_OR_VALUE_EXISTS:
4449 case LDB_ERR_ENTRY_ALREADY_EXISTS:
4450 return NT_STATUS_ERROR_DS_OBJ_STRING_NAME_EXISTS;
4453 return NT_STATUS_NETWORK_BUSY;
4455 case LDB_ERR_ALIAS_PROBLEM:
4456 case LDB_ERR_ALIAS_DEREFERENCING_PROBLEM:
4457 case LDB_ERR_UNAVAILABLE:
4458 case LDB_ERR_LOOP_DETECT:
4459 case LDB_ERR_OBJECT_CLASS_MODS_PROHIBITED:
4460 case LDB_ERR_AFFECTS_MULTIPLE_DSAS:
4462 case LDB_ERR_OPERATIONS_ERROR:
4465 return NT_STATUS_UNSUCCESSFUL;
4470 create a new naming context that will hold a partial replica
4472 int dsdb_create_partial_replica_NC(struct ldb_context *ldb, struct ldb_dn *dn)
4474 TALLOC_CTX *tmp_ctx = talloc_new(ldb);
4475 struct ldb_message *msg;
4478 msg = ldb_msg_new(tmp_ctx);
4480 talloc_free(tmp_ctx);
4481 return ldb_oom(ldb);
4485 ret = ldb_msg_add_string(msg, "objectClass", "top");
4486 if (ret != LDB_SUCCESS) {
4487 talloc_free(tmp_ctx);
4488 return ldb_oom(ldb);
4491 /* [MS-DRSR] implies that we should only add the 'top'
4492 * objectclass, but that would cause lots of problems with our
4493 * objectclass code as top is not structural, so we add
4494 * 'domainDNS' as well to keep things sane. We're expecting
4495 * this new NC to be of objectclass domainDNS after
4496 * replication anyway
4498 ret = ldb_msg_add_string(msg, "objectClass", "domainDNS");
4499 if (ret != LDB_SUCCESS) {
4500 talloc_free(tmp_ctx);
4501 return ldb_oom(ldb);
4504 ret = ldb_msg_add_fmt(msg, "instanceType", "%u",
4505 INSTANCE_TYPE_IS_NC_HEAD|
4506 INSTANCE_TYPE_NC_ABOVE|
4507 INSTANCE_TYPE_UNINSTANT);
4508 if (ret != LDB_SUCCESS) {
4509 talloc_free(tmp_ctx);
4510 return ldb_oom(ldb);
4513 ret = dsdb_add(ldb, msg, DSDB_MODIFY_PARTIAL_REPLICA);
4514 if (ret != LDB_SUCCESS && ret != LDB_ERR_ENTRY_ALREADY_EXISTS) {
4515 DEBUG(0,("Failed to create new NC for %s - %s (%s)\n",
4516 ldb_dn_get_linearized(dn),
4517 ldb_errstring(ldb), ldb_strerror(ret)));
4518 talloc_free(tmp_ctx);
4522 DEBUG(1,("Created new NC for %s\n", ldb_dn_get_linearized(dn)));
4524 talloc_free(tmp_ctx);
4529 build a GUID from a string
4531 _PUBLIC_ NTSTATUS NS_GUID_from_string(const char *s, struct GUID *guid)
4533 NTSTATUS status = NT_STATUS_INVALID_PARAMETER;
4535 uint32_t time_mid, time_hi_and_version;
4536 uint32_t clock_seq[2];
4541 return NT_STATUS_INVALID_PARAMETER;
4544 if (11 == sscanf(s, "%08x-%04x%04x-%02x%02x%02x%02x-%02x%02x%02x%02x",
4545 &time_low, &time_mid, &time_hi_and_version,
4546 &clock_seq[0], &clock_seq[1],
4547 &node[0], &node[1], &node[2], &node[3], &node[4], &node[5])) {
4548 status = NT_STATUS_OK;
4551 if (!NT_STATUS_IS_OK(status)) {
4555 guid->time_low = time_low;
4556 guid->time_mid = time_mid;
4557 guid->time_hi_and_version = time_hi_and_version;
4558 guid->clock_seq[0] = clock_seq[0];
4559 guid->clock_seq[1] = clock_seq[1];
4561 guid->node[i] = node[i];
4564 return NT_STATUS_OK;
4567 _PUBLIC_ char *NS_GUID_string(TALLOC_CTX *mem_ctx, const struct GUID *guid)
4569 return talloc_asprintf(mem_ctx,
4570 "%08x-%04x%04x-%02x%02x%02x%02x-%02x%02x%02x%02x",
4571 guid->time_low, guid->time_mid,
4572 guid->time_hi_and_version,
4575 guid->node[0], guid->node[1],
4576 guid->node[2], guid->node[3],
4577 guid->node[4], guid->node[5]);