2 Unix SMB/CIFS implementation.
3 Samba utility functions
5 Copyright (C) Andrew Tridgell 2004
6 Copyright (C) Volker Lendecke 2004
7 Copyright (C) Andrew Bartlett <abartlet@samba.org> 2006
8 Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2007
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program. If not, see <http://www.gnu.org/licenses/>.
25 #include "events/events.h"
27 #include "ldb_module.h"
28 #include "ldb_errors.h"
29 #include "../lib/util/util_ldb.h"
30 #include "../lib/crypto/crypto.h"
31 #include "dsdb/samdb/samdb.h"
32 #include "libcli/security/security.h"
33 #include "librpc/gen_ndr/ndr_security.h"
34 #include "librpc/gen_ndr/ndr_misc.h"
35 #include "../libds/common/flags.h"
36 #include "dsdb/common/proto.h"
37 #include "libcli/ldap/ldap_ndr.h"
38 #include "param/param.h"
39 #include "libcli/auth/libcli_auth.h"
40 #include "librpc/gen_ndr/ndr_drsblobs.h"
41 #include "system/locale.h"
42 #include "lib/util/tsort.h"
43 #include "dsdb/common/util.h"
44 #include "lib/socket/socket.h"
45 #include "librpc/gen_ndr/irpc.h"
46 #include "libds/common/flag_mapping.h"
49 search the sam for the specified attributes in a specific domain, filter on
50 objectSid being in domain_sid.
52 int samdb_search_domain(struct ldb_context *sam_ldb,
54 struct ldb_dn *basedn,
55 struct ldb_message ***res,
56 const char * const *attrs,
57 const struct dom_sid *domain_sid,
58 const char *format, ...) _PRINTF_ATTRIBUTE(7,8)
64 count = gendb_search_v(sam_ldb, mem_ctx, basedn,
65 res, attrs, format, ap);
71 struct dom_sid *entry_sid;
73 entry_sid = samdb_result_dom_sid(mem_ctx, (*res)[i], "objectSid");
75 if ((entry_sid == NULL) ||
76 (!dom_sid_in_domain(domain_sid, entry_sid))) {
77 /* Delete that entry from the result set */
78 (*res)[i] = (*res)[count-1];
80 talloc_free(entry_sid);
83 talloc_free(entry_sid);
91 search the sam for a single string attribute in exactly 1 record
93 const char *samdb_search_string_v(struct ldb_context *sam_ldb,
95 struct ldb_dn *basedn,
96 const char *attr_name,
97 const char *format, va_list ap) _PRINTF_ATTRIBUTE(5,0)
100 const char *attrs[2] = { NULL, NULL };
101 struct ldb_message **res = NULL;
103 attrs[0] = attr_name;
105 count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, attrs, format, ap);
107 DEBUG(1,("samdb: search for %s %s not single valued (count=%d)\n",
108 attr_name, format, count));
115 return ldb_msg_find_attr_as_string(res[0], attr_name, NULL);
119 search the sam for a single string attribute in exactly 1 record
121 const char *samdb_search_string(struct ldb_context *sam_ldb,
123 struct ldb_dn *basedn,
124 const char *attr_name,
125 const char *format, ...) _PRINTF_ATTRIBUTE(5,6)
130 va_start(ap, format);
131 str = samdb_search_string_v(sam_ldb, mem_ctx, basedn, attr_name, format, ap);
137 struct ldb_dn *samdb_search_dn(struct ldb_context *sam_ldb,
139 struct ldb_dn *basedn,
140 const char *format, ...) _PRINTF_ATTRIBUTE(4,5)
144 struct ldb_message **res = NULL;
147 va_start(ap, format);
148 count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, NULL, format, ap);
151 if (count != 1) return NULL;
153 ret = talloc_steal(mem_ctx, res[0]->dn);
160 search the sam for a dom_sid attribute in exactly 1 record
162 struct dom_sid *samdb_search_dom_sid(struct ldb_context *sam_ldb,
164 struct ldb_dn *basedn,
165 const char *attr_name,
166 const char *format, ...) _PRINTF_ATTRIBUTE(5,6)
170 struct ldb_message **res;
171 const char *attrs[2] = { NULL, NULL };
174 attrs[0] = attr_name;
176 va_start(ap, format);
177 count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, attrs, format, ap);
180 DEBUG(1,("samdb: search for %s %s not single valued (count=%d)\n",
181 attr_name, format, count));
187 sid = samdb_result_dom_sid(mem_ctx, res[0], attr_name);
193 return the count of the number of records in the sam matching the query
195 int samdb_search_count(struct ldb_context *sam_ldb,
197 struct ldb_dn *basedn,
198 const char *format, ...) _PRINTF_ATTRIBUTE(4,5)
201 const char *attrs[] = { NULL };
204 va_start(ap, format);
205 ret = gendb_search_v(sam_ldb, mem_ctx, basedn, NULL, attrs, format, ap);
213 search the sam for a single integer attribute in exactly 1 record
215 unsigned int samdb_search_uint(struct ldb_context *sam_ldb,
217 unsigned int default_value,
218 struct ldb_dn *basedn,
219 const char *attr_name,
220 const char *format, ...) _PRINTF_ATTRIBUTE(6,7)
224 struct ldb_message **res;
225 const char *attrs[2] = { NULL, NULL };
227 attrs[0] = attr_name;
229 va_start(ap, format);
230 count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, attrs, format, ap);
234 return default_value;
237 return ldb_msg_find_attr_as_uint(res[0], attr_name, default_value);
241 search the sam for a single signed 64 bit integer attribute in exactly 1 record
243 int64_t samdb_search_int64(struct ldb_context *sam_ldb,
245 int64_t default_value,
246 struct ldb_dn *basedn,
247 const char *attr_name,
248 const char *format, ...) _PRINTF_ATTRIBUTE(6,7)
252 struct ldb_message **res;
253 const char *attrs[2] = { NULL, NULL };
255 attrs[0] = attr_name;
257 va_start(ap, format);
258 count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, attrs, format, ap);
262 return default_value;
265 return ldb_msg_find_attr_as_int64(res[0], attr_name, default_value);
269 search the sam for multipe records each giving a single string attribute
270 return the number of matches, or -1 on error
272 int samdb_search_string_multiple(struct ldb_context *sam_ldb,
274 struct ldb_dn *basedn,
276 const char *attr_name,
277 const char *format, ...) _PRINTF_ATTRIBUTE(6,7)
281 const char *attrs[2] = { NULL, NULL };
282 struct ldb_message **res = NULL;
284 attrs[0] = attr_name;
286 va_start(ap, format);
287 count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, attrs, format, ap);
294 /* make sure its single valued */
295 for (i=0;i<count;i++) {
296 if (res[i]->num_elements != 1) {
297 DEBUG(1,("samdb: search for %s %s not single valued\n",
304 *strs = talloc_array(mem_ctx, const char *, count+1);
310 for (i=0;i<count;i++) {
311 (*strs)[i] = ldb_msg_find_attr_as_string(res[i], attr_name, NULL);
313 (*strs)[count] = NULL;
318 struct ldb_dn *samdb_result_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
319 const char *attr, struct ldb_dn *default_value)
321 struct ldb_dn *ret_dn = ldb_msg_find_attr_as_dn(ldb, mem_ctx, msg, attr);
323 return default_value;
329 pull a rid from a objectSid in a result set.
331 uint32_t samdb_result_rid_from_sid(TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
332 const char *attr, uint32_t default_value)
337 sid = samdb_result_dom_sid(mem_ctx, msg, attr);
339 return default_value;
341 rid = sid->sub_auths[sid->num_auths-1];
347 pull a dom_sid structure from a objectSid in a result set.
349 struct dom_sid *samdb_result_dom_sid(TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
353 const struct ldb_val *v;
355 v = ldb_msg_find_ldb_val(msg, attr);
359 sid = talloc(mem_ctx, struct dom_sid);
363 ok = sid_blob_parse(*v, sid);
372 pull a guid structure from a objectGUID in a result set.
374 struct GUID samdb_result_guid(const struct ldb_message *msg, const char *attr)
376 const struct ldb_val *v;
380 v = ldb_msg_find_ldb_val(msg, attr);
381 if (!v) return GUID_zero();
383 status = GUID_from_ndr_blob(v, &guid);
384 if (!NT_STATUS_IS_OK(status)) {
392 pull a sid prefix from a objectSid in a result set.
393 this is used to find the domain sid for a user
395 struct dom_sid *samdb_result_sid_prefix(TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
398 struct dom_sid *sid = samdb_result_dom_sid(mem_ctx, msg, attr);
399 if (!sid || sid->num_auths < 1) return NULL;
405 pull a NTTIME in a result set.
407 NTTIME samdb_result_nttime(const struct ldb_message *msg, const char *attr,
408 NTTIME default_value)
410 return ldb_msg_find_attr_as_uint64(msg, attr, default_value);
414 * Windows stores 0 for lastLogoff.
415 * But when a MS DC return the lastLogoff (as Logoff Time)
416 * it returns 0x7FFFFFFFFFFFFFFF, not returning this value in this case
417 * cause windows 2008 and newer version to fail for SMB requests
419 NTTIME samdb_result_last_logoff(const struct ldb_message *msg)
421 NTTIME ret = ldb_msg_find_attr_as_uint64(msg, "lastLogoff",0);
424 ret = 0x7FFFFFFFFFFFFFFFULL;
430 * Windows uses both 0 and 9223372036854775807 (0x7FFFFFFFFFFFFFFFULL) to
431 * indicate an account doesn't expire.
433 * When Windows initially creates an account, it sets
434 * accountExpires = 9223372036854775807 (0x7FFFFFFFFFFFFFFF). However,
435 * when changing from an account having a specific expiration date to
436 * that account never expiring, it sets accountExpires = 0.
438 * Consolidate that logic here to allow clearer logic for account expiry in
439 * the rest of the code.
441 NTTIME samdb_result_account_expires(const struct ldb_message *msg)
443 NTTIME ret = ldb_msg_find_attr_as_uint64(msg, "accountExpires",
447 ret = 0x7FFFFFFFFFFFFFFFULL;
453 construct the allow_password_change field from the PwdLastSet attribute and the
454 domain password settings
456 NTTIME samdb_result_allow_password_change(struct ldb_context *sam_ldb,
458 struct ldb_dn *domain_dn,
459 struct ldb_message *msg,
462 uint64_t attr_time = ldb_msg_find_attr_as_uint64(msg, attr, 0);
465 if (attr_time == 0) {
469 minPwdAge = samdb_search_int64(sam_ldb, mem_ctx, 0, domain_dn, "minPwdAge", NULL);
471 /* yes, this is a -= not a += as minPwdAge is stored as the negative
472 of the number of 100-nano-seconds */
473 attr_time -= minPwdAge;
479 construct the force_password_change field from the PwdLastSet
480 attribute, the userAccountControl and the domain password settings
482 NTTIME samdb_result_force_password_change(struct ldb_context *sam_ldb,
484 struct ldb_dn *domain_dn,
485 struct ldb_message *msg)
487 int64_t attr_time = ldb_msg_find_attr_as_int64(msg, "pwdLastSet", 0);
488 uint32_t userAccountControl = ldb_msg_find_attr_as_uint(msg,
489 "userAccountControl",
493 /* Machine accounts don't expire, and there is a flag for 'no expiry' */
494 if (!(userAccountControl & UF_NORMAL_ACCOUNT)
495 || (userAccountControl & UF_DONT_EXPIRE_PASSWD)) {
496 return 0x7FFFFFFFFFFFFFFFULL;
499 if (attr_time == 0) {
502 if (attr_time == -1) {
503 return 0x7FFFFFFFFFFFFFFFULL;
506 maxPwdAge = samdb_search_int64(sam_ldb, mem_ctx, 0, domain_dn,
508 if (maxPwdAge == 0) {
509 return 0x7FFFFFFFFFFFFFFFULL;
511 attr_time -= maxPwdAge;
518 pull a samr_Password structutre from a result set.
520 struct samr_Password *samdb_result_hash(TALLOC_CTX *mem_ctx, const struct ldb_message *msg, const char *attr)
522 struct samr_Password *hash = NULL;
523 const struct ldb_val *val = ldb_msg_find_ldb_val(msg, attr);
524 if (val && (val->length >= sizeof(hash->hash))) {
525 hash = talloc(mem_ctx, struct samr_Password);
526 memcpy(hash->hash, val->data, MIN(val->length, sizeof(hash->hash)));
532 pull an array of samr_Password structures from a result set.
534 unsigned int samdb_result_hashes(TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
535 const char *attr, struct samr_Password **hashes)
537 unsigned int count, i;
538 const struct ldb_val *val = ldb_msg_find_ldb_val(msg, attr);
544 count = val->length / 16;
549 *hashes = talloc_array(mem_ctx, struct samr_Password, count);
554 for (i=0;i<count;i++) {
555 memcpy((*hashes)[i].hash, (i*16)+(char *)val->data, 16);
561 NTSTATUS samdb_result_passwords(TALLOC_CTX *mem_ctx, struct loadparm_context *lp_ctx, struct ldb_message *msg,
562 struct samr_Password **lm_pwd, struct samr_Password **nt_pwd)
564 struct samr_Password *lmPwdHash, *ntPwdHash;
567 num_nt = samdb_result_hashes(mem_ctx, msg, "unicodePwd", &ntPwdHash);
570 } else if (num_nt > 1) {
571 return NT_STATUS_INTERNAL_DB_CORRUPTION;
573 *nt_pwd = &ntPwdHash[0];
577 /* Ensure that if we have turned off LM
578 * authentication, that we never use the LM hash, even
580 if (lpcfg_lanman_auth(lp_ctx)) {
582 num_lm = samdb_result_hashes(mem_ctx, msg, "dBCSPwd", &lmPwdHash);
585 } else if (num_lm > 1) {
586 return NT_STATUS_INTERNAL_DB_CORRUPTION;
588 *lm_pwd = &lmPwdHash[0];
598 pull a samr_LogonHours structutre from a result set.
600 struct samr_LogonHours samdb_result_logon_hours(TALLOC_CTX *mem_ctx, struct ldb_message *msg, const char *attr)
602 struct samr_LogonHours hours;
603 size_t units_per_week = 168;
604 const struct ldb_val *val = ldb_msg_find_ldb_val(msg, attr);
609 units_per_week = val->length * 8;
612 hours.bits = talloc_array(mem_ctx, uint8_t, units_per_week/8);
616 hours.units_per_week = units_per_week;
617 memset(hours.bits, 0xFF, units_per_week/8);
619 memcpy(hours.bits, val->data, val->length);
626 pull a set of account_flags from a result set.
628 This requires that the attributes:
633 uint32_t samdb_result_acct_flags(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx,
634 struct ldb_message *msg, struct ldb_dn *domain_dn)
636 uint32_t userAccountControl = ldb_msg_find_attr_as_uint(msg, "userAccountControl", 0);
637 uint32_t acct_flags = ds_uf2acb(userAccountControl);
638 NTTIME must_change_time;
641 must_change_time = samdb_result_force_password_change(sam_ctx, mem_ctx,
644 /* Test account expire time */
645 unix_to_nt_time(&now, time(NULL));
646 /* check for expired password */
647 if (must_change_time < now) {
648 acct_flags |= ACB_PW_EXPIRED;
653 struct lsa_BinaryString samdb_result_parameters(TALLOC_CTX *mem_ctx,
654 struct ldb_message *msg,
657 struct lsa_BinaryString s;
658 const struct ldb_val *val = ldb_msg_find_ldb_val(msg, attr);
666 s.array = talloc_array(mem_ctx, uint16_t, val->length/2);
670 s.length = s.size = val->length;
671 memcpy(s.array, val->data, val->length);
676 /* Find an attribute, with a particular value */
678 /* The current callers of this function expect a very specific
679 * behaviour: In particular, objectClass subclass equivilance is not
680 * wanted. This means that we should not lookup the schema for the
681 * comparison function */
682 struct ldb_message_element *samdb_find_attribute(struct ldb_context *ldb,
683 const struct ldb_message *msg,
684 const char *name, const char *value)
687 struct ldb_message_element *el = ldb_msg_find_element(msg, name);
693 for (i=0;i<el->num_values;i++) {
694 if (ldb_attr_cmp(value, (char *)el->values[i].data) == 0) {
702 int samdb_find_or_add_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 a general value element to a message
990 int samdb_msg_set_value(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
991 const char *attr_name, const struct ldb_val *val)
993 struct ldb_message_element *el;
995 el = ldb_msg_find_element(msg, attr_name);
999 return ldb_msg_add_value(msg, attr_name, val, NULL);
1003 set a string element in a message
1005 int samdb_msg_set_string(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
1006 const char *attr_name, const char *str)
1008 struct ldb_message_element *el;
1010 el = ldb_msg_find_element(msg, attr_name);
1014 return ldb_msg_add_string(msg, attr_name, str);
1018 * sets a signed integer in a message
1020 int samdb_msg_set_int(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx,
1021 struct ldb_message *msg, const char *attr_name, int v)
1023 struct ldb_message_element *el;
1025 el = ldb_msg_find_element(msg, attr_name);
1029 return samdb_msg_add_int(sam_ldb, mem_ctx, msg, attr_name, v);
1033 * Sets an unsigned int element in a message
1035 * The issue here is that we have not yet first cast to int32_t explicitly,
1036 * before we cast to an signed int to printf() into the %d or cast to a
1037 * int64_t before we then cast to a long long to printf into a %lld.
1039 * There are *no* unsigned integers in Active Directory LDAP, even the RID
1040 * allocations and ms-DS-Secondary-KrbTgt-Number are *signed* quantities.
1041 * (See the schema, and the syntax definitions in schema_syntax.c).
1044 int samdb_msg_set_uint(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx,
1045 struct ldb_message *msg, const char *attr_name,
1048 struct ldb_message_element *el;
1050 el = ldb_msg_find_element(msg, attr_name);
1054 return samdb_msg_add_uint(sam_ldb, mem_ctx, msg, attr_name, v);
1058 * Handle ldb_request in transaction
1060 static int dsdb_autotransaction_request(struct ldb_context *sam_ldb,
1061 struct ldb_request *req)
1065 ret = ldb_transaction_start(sam_ldb);
1066 if (ret != LDB_SUCCESS) {
1070 ret = ldb_request(sam_ldb, req);
1071 if (ret == LDB_SUCCESS) {
1072 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
1075 if (ret == LDB_SUCCESS) {
1076 return ldb_transaction_commit(sam_ldb);
1078 ldb_transaction_cancel(sam_ldb);
1084 return a default security descriptor
1086 struct security_descriptor *samdb_default_security_descriptor(TALLOC_CTX *mem_ctx)
1088 struct security_descriptor *sd;
1090 sd = security_descriptor_initialise(mem_ctx);
1095 struct ldb_dn *samdb_aggregate_schema_dn(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx)
1097 struct ldb_dn *schema_dn = ldb_get_schema_basedn(sam_ctx);
1098 struct ldb_dn *aggregate_dn;
1103 aggregate_dn = ldb_dn_copy(mem_ctx, schema_dn);
1104 if (!aggregate_dn) {
1107 if (!ldb_dn_add_child_fmt(aggregate_dn, "CN=Aggregate")) {
1110 return aggregate_dn;
1113 struct ldb_dn *samdb_partitions_dn(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx)
1115 struct ldb_dn *new_dn;
1117 new_dn = ldb_dn_copy(mem_ctx, ldb_get_config_basedn(sam_ctx));
1118 if ( ! ldb_dn_add_child_fmt(new_dn, "CN=Partitions")) {
1119 talloc_free(new_dn);
1125 struct ldb_dn *samdb_infrastructure_dn(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx)
1127 struct ldb_dn *new_dn;
1129 new_dn = ldb_dn_copy(mem_ctx, ldb_get_default_basedn(sam_ctx));
1130 if ( ! ldb_dn_add_child_fmt(new_dn, "CN=Infrastructure")) {
1131 talloc_free(new_dn);
1137 struct ldb_dn *samdb_sites_dn(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx)
1139 struct ldb_dn *new_dn;
1141 new_dn = ldb_dn_copy(mem_ctx, ldb_get_config_basedn(sam_ctx));
1142 if ( ! ldb_dn_add_child_fmt(new_dn, "CN=Sites")) {
1143 talloc_free(new_dn);
1150 work out the domain sid for the current open ldb
1152 const struct dom_sid *samdb_domain_sid(struct ldb_context *ldb)
1154 TALLOC_CTX *tmp_ctx;
1155 const struct dom_sid *domain_sid;
1156 const char *attrs[] = {
1160 struct ldb_result *res;
1163 /* see if we have a cached copy */
1164 domain_sid = (struct dom_sid *)ldb_get_opaque(ldb, "cache.domain_sid");
1169 tmp_ctx = talloc_new(ldb);
1170 if (tmp_ctx == NULL) {
1174 ret = ldb_search(ldb, tmp_ctx, &res, ldb_get_default_basedn(ldb), LDB_SCOPE_BASE, attrs, "objectSid=*");
1176 if (ret != LDB_SUCCESS) {
1180 if (res->count != 1) {
1184 domain_sid = samdb_result_dom_sid(tmp_ctx, res->msgs[0], "objectSid");
1185 if (domain_sid == NULL) {
1189 /* cache the domain_sid in the ldb */
1190 if (ldb_set_opaque(ldb, "cache.domain_sid", discard_const_p(struct dom_sid, domain_sid)) != LDB_SUCCESS) {
1194 talloc_steal(ldb, domain_sid);
1195 talloc_free(tmp_ctx);
1200 talloc_free(tmp_ctx);
1205 get domain sid from cache
1207 const struct dom_sid *samdb_domain_sid_cache_only(struct ldb_context *ldb)
1209 return (struct dom_sid *)ldb_get_opaque(ldb, "cache.domain_sid");
1212 bool samdb_set_domain_sid(struct ldb_context *ldb, const struct dom_sid *dom_sid_in)
1214 TALLOC_CTX *tmp_ctx;
1215 struct dom_sid *dom_sid_new;
1216 struct dom_sid *dom_sid_old;
1218 /* see if we have a cached copy */
1219 dom_sid_old = talloc_get_type(ldb_get_opaque(ldb,
1220 "cache.domain_sid"), struct dom_sid);
1222 tmp_ctx = talloc_new(ldb);
1223 if (tmp_ctx == NULL) {
1227 dom_sid_new = dom_sid_dup(tmp_ctx, dom_sid_in);
1232 /* cache the domain_sid in the ldb */
1233 if (ldb_set_opaque(ldb, "cache.domain_sid", dom_sid_new) != LDB_SUCCESS) {
1237 talloc_steal(ldb, dom_sid_new);
1238 talloc_free(tmp_ctx);
1239 talloc_free(dom_sid_old);
1244 DEBUG(1,("Failed to set our own cached domain SID in the ldb!\n"));
1245 talloc_free(tmp_ctx);
1249 bool samdb_set_ntds_settings_dn(struct ldb_context *ldb, struct ldb_dn *ntds_settings_dn_in)
1251 TALLOC_CTX *tmp_ctx;
1252 struct ldb_dn *ntds_settings_dn_new;
1253 struct ldb_dn *ntds_settings_dn_old;
1255 /* see if we have a forced copy from provision */
1256 ntds_settings_dn_old = talloc_get_type(ldb_get_opaque(ldb,
1257 "forced.ntds_settings_dn"), struct ldb_dn);
1259 tmp_ctx = talloc_new(ldb);
1260 if (tmp_ctx == NULL) {
1264 ntds_settings_dn_new = ldb_dn_copy(tmp_ctx, ntds_settings_dn_in);
1265 if (!ntds_settings_dn_new) {
1269 /* set the DN in the ldb to avoid lookups during provision */
1270 if (ldb_set_opaque(ldb, "forced.ntds_settings_dn", ntds_settings_dn_new) != LDB_SUCCESS) {
1274 talloc_steal(ldb, ntds_settings_dn_new);
1275 talloc_free(tmp_ctx);
1276 talloc_free(ntds_settings_dn_old);
1281 DEBUG(1,("Failed to set our NTDS Settings DN in the ldb!\n"));
1282 talloc_free(tmp_ctx);
1287 work out the ntds settings dn for the current open ldb
1289 struct ldb_dn *samdb_ntds_settings_dn(struct ldb_context *ldb)
1291 TALLOC_CTX *tmp_ctx;
1292 const char *root_attrs[] = { "dsServiceName", NULL };
1294 struct ldb_result *root_res;
1295 struct ldb_dn *settings_dn;
1297 /* see if we have a cached copy */
1298 settings_dn = (struct ldb_dn *)ldb_get_opaque(ldb, "forced.ntds_settings_dn");
1303 tmp_ctx = talloc_new(ldb);
1304 if (tmp_ctx == NULL) {
1308 ret = ldb_search(ldb, tmp_ctx, &root_res, ldb_dn_new(tmp_ctx, ldb, ""), LDB_SCOPE_BASE, root_attrs, NULL);
1310 DEBUG(1,("Searching for dsServiceName in rootDSE failed: %s\n",
1311 ldb_errstring(ldb)));
1315 if (root_res->count != 1) {
1319 settings_dn = ldb_msg_find_attr_as_dn(ldb, tmp_ctx, root_res->msgs[0], "dsServiceName");
1321 /* note that we do not cache the DN here, as that would mean
1322 * we could not handle server renames at runtime. Only
1323 * provision sets up forced.ntds_settings_dn */
1325 talloc_steal(ldb, settings_dn);
1326 talloc_free(tmp_ctx);
1331 DEBUG(1,("Failed to find our own NTDS Settings DN in the ldb!\n"));
1332 talloc_free(tmp_ctx);
1337 work out the ntds settings invocationId for the current open ldb
1339 const struct GUID *samdb_ntds_invocation_id(struct ldb_context *ldb)
1341 TALLOC_CTX *tmp_ctx;
1342 const char *attrs[] = { "invocationId", NULL };
1344 struct ldb_result *res;
1345 struct GUID *invocation_id;
1347 /* see if we have a cached copy */
1348 invocation_id = (struct GUID *)ldb_get_opaque(ldb, "cache.invocation_id");
1349 if (invocation_id) {
1350 return invocation_id;
1353 tmp_ctx = talloc_new(ldb);
1354 if (tmp_ctx == NULL) {
1358 ret = ldb_search(ldb, tmp_ctx, &res, samdb_ntds_settings_dn(ldb), LDB_SCOPE_BASE, attrs, NULL);
1363 if (res->count != 1) {
1367 invocation_id = talloc(tmp_ctx, struct GUID);
1368 if (!invocation_id) {
1372 *invocation_id = samdb_result_guid(res->msgs[0], "invocationId");
1374 /* cache the domain_sid in the ldb */
1375 if (ldb_set_opaque(ldb, "cache.invocation_id", invocation_id) != LDB_SUCCESS) {
1379 talloc_steal(ldb, invocation_id);
1380 talloc_free(tmp_ctx);
1382 return invocation_id;
1385 DEBUG(1,("Failed to find our own NTDS Settings invocationId in the ldb!\n"));
1386 talloc_free(tmp_ctx);
1390 bool samdb_set_ntds_invocation_id(struct ldb_context *ldb, const struct GUID *invocation_id_in)
1392 TALLOC_CTX *tmp_ctx;
1393 struct GUID *invocation_id_new;
1394 struct GUID *invocation_id_old;
1396 /* see if we have a cached copy */
1397 invocation_id_old = (struct GUID *)ldb_get_opaque(ldb,
1398 "cache.invocation_id");
1400 tmp_ctx = talloc_new(ldb);
1401 if (tmp_ctx == NULL) {
1405 invocation_id_new = talloc(tmp_ctx, struct GUID);
1406 if (!invocation_id_new) {
1410 *invocation_id_new = *invocation_id_in;
1412 /* cache the domain_sid in the ldb */
1413 if (ldb_set_opaque(ldb, "cache.invocation_id", invocation_id_new) != LDB_SUCCESS) {
1417 talloc_steal(ldb, invocation_id_new);
1418 talloc_free(tmp_ctx);
1419 talloc_free(invocation_id_old);
1424 DEBUG(1,("Failed to set our own cached invocationId in the ldb!\n"));
1425 talloc_free(tmp_ctx);
1430 work out the ntds settings objectGUID for the current open ldb
1432 const struct GUID *samdb_ntds_objectGUID(struct ldb_context *ldb)
1434 TALLOC_CTX *tmp_ctx;
1435 const char *attrs[] = { "objectGUID", NULL };
1437 struct ldb_result *res;
1438 struct GUID *ntds_guid;
1440 /* see if we have a cached copy */
1441 ntds_guid = (struct GUID *)ldb_get_opaque(ldb, "cache.ntds_guid");
1446 tmp_ctx = talloc_new(ldb);
1447 if (tmp_ctx == NULL) {
1451 ret = ldb_search(ldb, tmp_ctx, &res, samdb_ntds_settings_dn(ldb), LDB_SCOPE_BASE, attrs, NULL);
1456 if (res->count != 1) {
1460 ntds_guid = talloc(tmp_ctx, struct GUID);
1465 *ntds_guid = samdb_result_guid(res->msgs[0], "objectGUID");
1467 /* cache the domain_sid in the ldb */
1468 if (ldb_set_opaque(ldb, "cache.ntds_guid", ntds_guid) != LDB_SUCCESS) {
1472 talloc_steal(ldb, ntds_guid);
1473 talloc_free(tmp_ctx);
1478 DEBUG(1,("Failed to find our own NTDS Settings objectGUID in the ldb!\n"));
1479 talloc_free(tmp_ctx);
1483 bool samdb_set_ntds_objectGUID(struct ldb_context *ldb, const struct GUID *ntds_guid_in)
1485 TALLOC_CTX *tmp_ctx;
1486 struct GUID *ntds_guid_new;
1487 struct GUID *ntds_guid_old;
1489 /* see if we have a cached copy */
1490 ntds_guid_old = (struct GUID *)ldb_get_opaque(ldb, "cache.ntds_guid");
1492 tmp_ctx = talloc_new(ldb);
1493 if (tmp_ctx == NULL) {
1497 ntds_guid_new = talloc(tmp_ctx, struct GUID);
1498 if (!ntds_guid_new) {
1502 *ntds_guid_new = *ntds_guid_in;
1504 /* cache the domain_sid in the ldb */
1505 if (ldb_set_opaque(ldb, "cache.ntds_guid", ntds_guid_new) != LDB_SUCCESS) {
1509 talloc_steal(ldb, ntds_guid_new);
1510 talloc_free(tmp_ctx);
1511 talloc_free(ntds_guid_old);
1516 DEBUG(1,("Failed to set our own cached invocationId in the ldb!\n"));
1517 talloc_free(tmp_ctx);
1522 work out the server dn for the current open ldb
1524 struct ldb_dn *samdb_server_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
1526 return ldb_dn_get_parent(mem_ctx, samdb_ntds_settings_dn(ldb));
1530 work out the server dn for the current open ldb
1532 struct ldb_dn *samdb_server_site_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
1534 struct ldb_dn *server_dn;
1535 struct ldb_dn *servers_dn;
1536 struct ldb_dn *server_site_dn;
1538 /* TODO: there must be a saner way to do this!! */
1539 server_dn = samdb_server_dn(ldb, mem_ctx);
1540 if (!server_dn) return NULL;
1542 servers_dn = ldb_dn_get_parent(mem_ctx, server_dn);
1543 talloc_free(server_dn);
1544 if (!servers_dn) return NULL;
1546 server_site_dn = ldb_dn_get_parent(mem_ctx, servers_dn);
1547 talloc_free(servers_dn);
1549 return server_site_dn;
1553 find the site name from a computers DN record
1555 int samdb_find_site_for_computer(struct ldb_context *ldb,
1556 TALLOC_CTX *mem_ctx, struct ldb_dn *computer_dn,
1557 const char **site_name)
1561 const struct ldb_val *rdn_val;
1565 ret = samdb_reference_dn(ldb, mem_ctx, computer_dn, "serverReferenceBL", &dn);
1566 if (ret != LDB_SUCCESS) {
1570 if (!ldb_dn_remove_child_components(dn, 2)) {
1572 return LDB_ERR_INVALID_DN_SYNTAX;
1575 rdn_val = ldb_dn_get_rdn_val(dn);
1576 if (rdn_val == NULL) {
1577 return LDB_ERR_OPERATIONS_ERROR;
1580 (*site_name) = talloc_strndup(mem_ctx, (const char *)rdn_val->data, rdn_val->length);
1583 return LDB_ERR_OPERATIONS_ERROR;
1589 find the NTDS GUID from a computers DN record
1591 int samdb_find_ntdsguid_for_computer(struct ldb_context *ldb, struct ldb_dn *computer_dn,
1592 struct GUID *ntds_guid)
1597 *ntds_guid = GUID_zero();
1599 ret = samdb_reference_dn(ldb, ldb, computer_dn, "serverReferenceBL", &dn);
1600 if (ret != LDB_SUCCESS) {
1604 if (!ldb_dn_add_child_fmt(dn, "CN=NTDS Settings")) {
1606 return LDB_ERR_OPERATIONS_ERROR;
1609 ret = dsdb_find_guid_by_dn(ldb, dn, ntds_guid);
1615 find a 'reference' DN that points at another object
1616 (eg. serverReference, rIDManagerReference etc)
1618 int samdb_reference_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct ldb_dn *base,
1619 const char *attribute, struct ldb_dn **dn)
1621 const char *attrs[2];
1622 struct ldb_result *res;
1625 attrs[0] = attribute;
1628 ret = dsdb_search(ldb, mem_ctx, &res, base, LDB_SCOPE_BASE, attrs, DSDB_SEARCH_ONE_ONLY, NULL);
1629 if (ret != LDB_SUCCESS) {
1633 *dn = ldb_msg_find_attr_as_dn(ldb, mem_ctx, res->msgs[0], attribute);
1635 if (!ldb_msg_find_element(res->msgs[0], attribute)) {
1636 ldb_asprintf_errstring(ldb, "Cannot find attribute %s of %s to calculate reference dn", attribute,
1637 ldb_dn_get_linearized(base));
1639 ldb_asprintf_errstring(ldb, "Cannot interpret attribute %s of %s as a dn", attribute,
1640 ldb_dn_get_linearized(base));
1643 return LDB_ERR_NO_SUCH_ATTRIBUTE;
1651 find our machine account via the serverReference attribute in the
1654 int samdb_server_reference_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct ldb_dn **dn)
1656 struct ldb_dn *server_dn;
1659 server_dn = samdb_server_dn(ldb, mem_ctx);
1660 if (server_dn == NULL) {
1661 return LDB_ERR_NO_SUCH_OBJECT;
1664 ret = samdb_reference_dn(ldb, mem_ctx, server_dn, "serverReference", dn);
1665 talloc_free(server_dn);
1671 find the RID Manager$ DN via the rIDManagerReference attribute in the
1674 int samdb_rid_manager_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct ldb_dn **dn)
1676 return samdb_reference_dn(ldb, mem_ctx, ldb_get_default_basedn(ldb),
1677 "rIDManagerReference", dn);
1681 find the RID Set DN via the rIDSetReferences attribute in our
1684 int samdb_rid_set_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct ldb_dn **dn)
1686 struct ldb_dn *server_ref_dn;
1689 ret = samdb_server_reference_dn(ldb, mem_ctx, &server_ref_dn);
1690 if (ret != LDB_SUCCESS) {
1693 ret = samdb_reference_dn(ldb, mem_ctx, server_ref_dn, "rIDSetReferences", dn);
1694 talloc_free(server_ref_dn);
1698 const char *samdb_server_site_name(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
1700 const struct ldb_val *val = ldb_dn_get_rdn_val(samdb_server_site_dn(ldb,
1707 return (const char *) val->data;
1711 * Finds the client site by using the client's IP address.
1712 * The "subnet_name" returns the name of the subnet if parameter != NULL
1714 const char *samdb_client_site_name(struct ldb_context *ldb, TALLOC_CTX *mem_ctx,
1715 const char *ip_address, char **subnet_name)
1717 const char *attrs[] = { "cn", "siteObject", NULL };
1718 struct ldb_dn *sites_container_dn, *subnets_dn, *sites_dn;
1719 struct ldb_result *res;
1720 const struct ldb_val *val;
1721 const char *site_name = NULL, *l_subnet_name = NULL;
1722 const char *allow_list[2] = { NULL, NULL };
1723 unsigned int i, count;
1727 * if we don't have a client ip e.g. ncalrpc
1728 * the server site is the client site
1730 if (ip_address == NULL) {
1731 return samdb_server_site_name(ldb, mem_ctx);
1734 sites_container_dn = samdb_sites_dn(ldb, mem_ctx);
1735 if (sites_container_dn == NULL) {
1739 subnets_dn = ldb_dn_copy(mem_ctx, sites_container_dn);
1740 if ( ! ldb_dn_add_child_fmt(subnets_dn, "CN=Subnets")) {
1741 talloc_free(sites_container_dn);
1742 talloc_free(subnets_dn);
1746 ret = ldb_search(ldb, mem_ctx, &res, subnets_dn, LDB_SCOPE_ONELEVEL,
1748 if (ret == LDB_ERR_NO_SUCH_OBJECT) {
1750 } else if (ret != LDB_SUCCESS) {
1751 talloc_free(sites_container_dn);
1752 talloc_free(subnets_dn);
1758 for (i = 0; i < count; i++) {
1759 l_subnet_name = ldb_msg_find_attr_as_string(res->msgs[i], "cn",
1762 allow_list[0] = l_subnet_name;
1764 if (socket_allow_access(mem_ctx, NULL, allow_list, "", ip_address)) {
1765 sites_dn = ldb_msg_find_attr_as_dn(ldb, mem_ctx,
1768 if (sites_dn == NULL) {
1769 /* No reference, maybe another subnet matches */
1773 /* "val" cannot be NULL here since "sites_dn" != NULL */
1774 val = ldb_dn_get_rdn_val(sites_dn);
1775 site_name = talloc_strdup(mem_ctx,
1776 (const char *) val->data);
1778 talloc_free(sites_dn);
1784 if (site_name == NULL) {
1785 /* This is the Windows Server fallback rule: when no subnet
1786 * exists and we have only one site available then use it (it
1787 * is for sure the same as our server site). If more sites do
1788 * exist then we don't know which one to use and set the site
1790 cnt = samdb_search_count(ldb, mem_ctx, sites_container_dn,
1791 "(objectClass=site)");
1793 site_name = samdb_server_site_name(ldb, mem_ctx);
1795 site_name = talloc_strdup(mem_ctx, "");
1797 l_subnet_name = NULL;
1800 if (subnet_name != NULL) {
1801 *subnet_name = talloc_strdup(mem_ctx, l_subnet_name);
1804 talloc_free(sites_container_dn);
1805 talloc_free(subnets_dn);
1812 work out if we are the PDC for the domain of the current open ldb
1814 bool samdb_is_pdc(struct ldb_context *ldb)
1816 const char *dom_attrs[] = { "fSMORoleOwner", NULL };
1818 struct ldb_result *dom_res;
1819 TALLOC_CTX *tmp_ctx;
1823 tmp_ctx = talloc_new(ldb);
1824 if (tmp_ctx == NULL) {
1825 DEBUG(1, ("talloc_new failed in samdb_is_pdc"));
1829 ret = ldb_search(ldb, tmp_ctx, &dom_res, ldb_get_default_basedn(ldb), LDB_SCOPE_BASE, dom_attrs, NULL);
1830 if (ret != LDB_SUCCESS) {
1831 DEBUG(1,("Searching for fSMORoleOwner in %s failed: %s\n",
1832 ldb_dn_get_linearized(ldb_get_default_basedn(ldb)),
1833 ldb_errstring(ldb)));
1836 if (dom_res->count != 1) {
1840 pdc = ldb_msg_find_attr_as_dn(ldb, tmp_ctx, dom_res->msgs[0], "fSMORoleOwner");
1842 if (ldb_dn_compare(samdb_ntds_settings_dn(ldb), pdc) == 0) {
1848 talloc_free(tmp_ctx);
1853 DEBUG(1,("Failed to find if we are the PDC for this ldb\n"));
1854 talloc_free(tmp_ctx);
1859 work out if we are a Global Catalog server for the domain of the current open ldb
1861 bool samdb_is_gc(struct ldb_context *ldb)
1864 if (samdb_ntds_options(ldb, &options) != LDB_SUCCESS) {
1867 return (options & DS_NTDSDSA_OPT_IS_GC) != 0;
1870 /* Find a domain object in the parents of a particular DN. */
1871 int samdb_search_for_parent_domain(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct ldb_dn *dn,
1872 struct ldb_dn **parent_dn, const char **errstring)
1874 TALLOC_CTX *local_ctx;
1875 struct ldb_dn *sdn = dn;
1876 struct ldb_result *res = NULL;
1877 int ret = LDB_SUCCESS;
1878 const char *attrs[] = { NULL };
1880 local_ctx = talloc_new(mem_ctx);
1881 if (local_ctx == NULL) return ldb_oom(ldb);
1883 while ((sdn = ldb_dn_get_parent(local_ctx, sdn))) {
1884 ret = ldb_search(ldb, local_ctx, &res, sdn, LDB_SCOPE_BASE, attrs,
1885 "(|(objectClass=domain)(objectClass=builtinDomain))");
1886 if (ret == LDB_SUCCESS) {
1887 if (res->count == 1) {
1895 if (ret != LDB_SUCCESS) {
1896 *errstring = talloc_asprintf(mem_ctx, "Error searching for parent domain of %s, failed searching for %s: %s",
1897 ldb_dn_get_linearized(dn),
1898 ldb_dn_get_linearized(sdn),
1899 ldb_errstring(ldb));
1900 talloc_free(local_ctx);
1903 if (res->count != 1) {
1904 *errstring = talloc_asprintf(mem_ctx, "Invalid dn (%s), not child of a domain object",
1905 ldb_dn_get_linearized(dn));
1906 DEBUG(0,(__location__ ": %s\n", *errstring));
1907 talloc_free(local_ctx);
1908 return LDB_ERR_CONSTRAINT_VIOLATION;
1911 *parent_dn = talloc_steal(mem_ctx, res->msgs[0]->dn);
1912 talloc_free(local_ctx);
1918 * Performs checks on a user password (plaintext UNIX format - attribute
1919 * "password"). The remaining parameters have to be extracted from the domain
1922 * Result codes from "enum samr_ValidationStatus" (consider "samr.idl")
1924 enum samr_ValidationStatus samdb_check_password(const DATA_BLOB *password,
1925 const uint32_t pwdProperties,
1926 const uint32_t minPwdLength)
1928 /* checks if the "minPwdLength" property is satisfied */
1929 if (minPwdLength > password->length)
1930 return SAMR_VALIDATION_STATUS_PWD_TOO_SHORT;
1932 /* checks the password complexity */
1933 if (((pwdProperties & DOMAIN_PASSWORD_COMPLEX) != 0)
1934 && (password->data != NULL)
1935 && (!check_password_quality((const char *) password->data)))
1936 return SAMR_VALIDATION_STATUS_NOT_COMPLEX_ENOUGH;
1938 return SAMR_VALIDATION_STATUS_SUCCESS;
1942 * Callback for "samdb_set_password" password change
1944 int samdb_set_password_callback(struct ldb_request *req, struct ldb_reply *ares)
1949 return ldb_request_done(req, LDB_ERR_OPERATIONS_ERROR);
1952 if (ares->error != LDB_SUCCESS) {
1954 req->context = talloc_steal(req,
1955 ldb_reply_get_control(ares, DSDB_CONTROL_PASSWORD_CHANGE_STATUS_OID));
1957 return ldb_request_done(req, ret);
1960 if (ares->type != LDB_REPLY_DONE) {
1962 return ldb_request_done(req, LDB_ERR_OPERATIONS_ERROR);
1965 req->context = talloc_steal(req,
1966 ldb_reply_get_control(ares, DSDB_CONTROL_PASSWORD_CHANGE_STATUS_OID));
1968 return ldb_request_done(req, LDB_SUCCESS);
1972 * Sets the user password using plaintext UTF16 (attribute "new_password") or
1973 * LM (attribute "lmNewHash") or NT (attribute "ntNewHash") hash. Also pass
1974 * the old LM and/or NT hash (attributes "lmOldHash"/"ntOldHash") if it is a
1975 * user change or not. The "rejectReason" gives some more information if the
1978 * Results: NT_STATUS_OK, NT_STATUS_INVALID_PARAMETER, NT_STATUS_UNSUCCESSFUL,
1979 * NT_STATUS_WRONG_PASSWORD, NT_STATUS_PASSWORD_RESTRICTION
1981 NTSTATUS samdb_set_password(struct ldb_context *ldb, TALLOC_CTX *mem_ctx,
1982 struct ldb_dn *user_dn, struct ldb_dn *domain_dn,
1983 const DATA_BLOB *new_password,
1984 const struct samr_Password *lmNewHash,
1985 const struct samr_Password *ntNewHash,
1986 const struct samr_Password *lmOldHash,
1987 const struct samr_Password *ntOldHash,
1988 enum samPwdChangeReason *reject_reason,
1989 struct samr_DomInfo1 **_dominfo)
1991 struct ldb_message *msg;
1992 struct ldb_message_element *el;
1993 struct ldb_request *req;
1994 struct dsdb_control_password_change_status *pwd_stat = NULL;
1996 NTSTATUS status = NT_STATUS_OK;
1998 #define CHECK_RET(x) \
1999 if (x != LDB_SUCCESS) { \
2001 return NT_STATUS_NO_MEMORY; \
2004 msg = ldb_msg_new(mem_ctx);
2006 return NT_STATUS_NO_MEMORY;
2009 if ((new_password != NULL)
2010 && ((lmNewHash == NULL) && (ntNewHash == NULL))) {
2011 /* we have the password as plaintext UTF16 */
2012 CHECK_RET(ldb_msg_add_value(msg, "clearTextPassword",
2013 new_password, NULL));
2014 el = ldb_msg_find_element(msg, "clearTextPassword");
2015 el->flags = LDB_FLAG_MOD_REPLACE;
2016 } else if ((new_password == NULL)
2017 && ((lmNewHash != NULL) || (ntNewHash != NULL))) {
2018 /* we have a password as LM and/or NT hash */
2019 if (lmNewHash != NULL) {
2020 CHECK_RET(samdb_msg_add_hash(ldb, mem_ctx, msg,
2021 "dBCSPwd", lmNewHash));
2022 el = ldb_msg_find_element(msg, "dBCSPwd");
2023 el->flags = LDB_FLAG_MOD_REPLACE;
2025 if (ntNewHash != NULL) {
2026 CHECK_RET(samdb_msg_add_hash(ldb, mem_ctx, msg,
2027 "unicodePwd", ntNewHash));
2028 el = ldb_msg_find_element(msg, "unicodePwd");
2029 el->flags = LDB_FLAG_MOD_REPLACE;
2032 /* the password wasn't specified correctly */
2034 return NT_STATUS_INVALID_PARAMETER;
2037 /* build modify request */
2038 ret = ldb_build_mod_req(&req, ldb, mem_ctx, msg, NULL, NULL,
2039 samdb_set_password_callback, NULL);
2040 if (ret != LDB_SUCCESS) {
2042 return NT_STATUS_NO_MEMORY;
2045 /* A password change operation */
2046 if ((ntOldHash != NULL) || (lmOldHash != NULL)) {
2047 struct dsdb_control_password_change *change;
2049 change = talloc(req, struct dsdb_control_password_change);
2050 if (change == NULL) {
2053 return NT_STATUS_NO_MEMORY;
2056 change->old_nt_pwd_hash = ntOldHash;
2057 change->old_lm_pwd_hash = lmOldHash;
2059 ret = ldb_request_add_control(req,
2060 DSDB_CONTROL_PASSWORD_CHANGE_OID,
2062 if (ret != LDB_SUCCESS) {
2065 return NT_STATUS_NO_MEMORY;
2068 ret = ldb_request_add_control(req,
2069 DSDB_CONTROL_PASSWORD_HASH_VALUES_OID,
2071 if (ret != LDB_SUCCESS) {
2074 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 **split_realm;
2306 split_realm = (const char **)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, struct ldb_dn **dn)
2464 struct ldb_result *res;
2465 const char *attrs[] = { NULL };
2466 char *guid_str = GUID_string(mem_ctx, guid);
2469 return ldb_operr(ldb);
2472 ret = dsdb_search(ldb, mem_ctx, &res, NULL, LDB_SCOPE_SUBTREE, attrs,
2473 DSDB_SEARCH_SEARCH_ALL_PARTITIONS |
2474 DSDB_SEARCH_SHOW_EXTENDED_DN |
2475 DSDB_SEARCH_ONE_ONLY,
2476 "objectGUID=%s", guid_str);
2477 talloc_free(guid_str);
2478 if (ret != LDB_SUCCESS) {
2482 *dn = talloc_steal(mem_ctx, res->msgs[0]->dn);
2489 use a DN to find a GUID with a given attribute name
2491 int dsdb_find_guid_attr_by_dn(struct ldb_context *ldb,
2492 struct ldb_dn *dn, const char *attribute,
2496 struct ldb_result *res;
2497 const char *attrs[2];
2498 TALLOC_CTX *tmp_ctx = talloc_new(ldb);
2500 attrs[0] = attribute;
2503 ret = dsdb_search_dn(ldb, tmp_ctx, &res, dn, attrs,
2504 DSDB_SEARCH_SHOW_DELETED |
2505 DSDB_SEARCH_SHOW_RECYCLED);
2506 if (ret != LDB_SUCCESS) {
2507 talloc_free(tmp_ctx);
2510 if (res->count < 1) {
2511 talloc_free(tmp_ctx);
2512 return LDB_ERR_NO_SUCH_OBJECT;
2514 *guid = samdb_result_guid(res->msgs[0], attribute);
2515 talloc_free(tmp_ctx);
2520 use a DN to find a GUID
2522 int dsdb_find_guid_by_dn(struct ldb_context *ldb,
2523 struct ldb_dn *dn, struct GUID *guid)
2525 return dsdb_find_guid_attr_by_dn(ldb, dn, "objectGUID", guid);
2531 adds the given GUID to the given ldb_message. This value is added
2532 for the given attr_name (may be either "objectGUID" or "parentGUID").
2534 int dsdb_msg_add_guid(struct ldb_message *msg,
2536 const char *attr_name)
2541 TALLOC_CTX *tmp_ctx = talloc_init("dsdb_msg_add_guid");
2543 status = GUID_to_ndr_blob(guid, tmp_ctx, &v);
2544 if (!NT_STATUS_IS_OK(status)) {
2545 ret = LDB_ERR_OPERATIONS_ERROR;
2549 ret = ldb_msg_add_steal_value(msg, attr_name, &v);
2550 if (ret != LDB_SUCCESS) {
2551 DEBUG(4,(__location__ ": Failed to add %s to the message\n",
2559 talloc_free(tmp_ctx);
2566 use a DN to find a SID
2568 int dsdb_find_sid_by_dn(struct ldb_context *ldb,
2569 struct ldb_dn *dn, struct dom_sid *sid)
2572 struct ldb_result *res;
2573 const char *attrs[] = { "objectSid", NULL };
2574 TALLOC_CTX *tmp_ctx = talloc_new(ldb);
2579 ret = dsdb_search_dn(ldb, tmp_ctx, &res, dn, attrs,
2580 DSDB_SEARCH_SHOW_DELETED |
2581 DSDB_SEARCH_SHOW_RECYCLED);
2582 if (ret != LDB_SUCCESS) {
2583 talloc_free(tmp_ctx);
2586 if (res->count < 1) {
2587 talloc_free(tmp_ctx);
2588 return LDB_ERR_NO_SUCH_OBJECT;
2590 s = samdb_result_dom_sid(tmp_ctx, res->msgs[0], "objectSid");
2592 talloc_free(tmp_ctx);
2593 return LDB_ERR_NO_SUCH_OBJECT;
2596 talloc_free(tmp_ctx);
2601 use a SID to find a DN
2603 int dsdb_find_dn_by_sid(struct ldb_context *ldb,
2604 TALLOC_CTX *mem_ctx,
2605 struct dom_sid *sid, struct ldb_dn **dn)
2608 struct ldb_result *res;
2609 const char *attrs[] = { NULL };
2610 char *sid_str = ldap_encode_ndr_dom_sid(mem_ctx, sid);
2613 return ldb_operr(ldb);
2616 ret = dsdb_search(ldb, mem_ctx, &res, NULL, LDB_SCOPE_SUBTREE, attrs,
2617 DSDB_SEARCH_SEARCH_ALL_PARTITIONS |
2618 DSDB_SEARCH_SHOW_EXTENDED_DN |
2619 DSDB_SEARCH_ONE_ONLY,
2620 "objectSid=%s", sid_str);
2621 talloc_free(sid_str);
2622 if (ret != LDB_SUCCESS) {
2626 *dn = talloc_steal(mem_ctx, res->msgs[0]->dn);
2633 load a repsFromTo blob list for a given partition GUID
2634 attr must be "repsFrom" or "repsTo"
2636 WERROR dsdb_loadreps(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx, struct ldb_dn *dn,
2637 const char *attr, struct repsFromToBlob **r, uint32_t *count)
2639 const char *attrs[] = { attr, NULL };
2640 struct ldb_result *res = NULL;
2641 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
2643 struct ldb_message_element *el;
2649 ret = dsdb_search_dn(sam_ctx, tmp_ctx, &res, dn, attrs, 0);
2650 if (ret == LDB_ERR_NO_SUCH_OBJECT) {
2651 /* partition hasn't been replicated yet */
2654 if (ret != LDB_SUCCESS) {
2655 DEBUG(0,("dsdb_loadreps: failed to read partition object: %s\n", ldb_errstring(sam_ctx)));
2656 talloc_free(tmp_ctx);
2657 return WERR_DS_DRA_INTERNAL_ERROR;
2660 el = ldb_msg_find_element(res->msgs[0], attr);
2662 /* it's OK to be empty */
2663 talloc_free(tmp_ctx);
2667 *count = el->num_values;
2668 *r = talloc_array(mem_ctx, struct repsFromToBlob, *count);
2670 talloc_free(tmp_ctx);
2671 return WERR_DS_DRA_INTERNAL_ERROR;
2674 for (i=0; i<(*count); i++) {
2675 enum ndr_err_code ndr_err;
2676 ndr_err = ndr_pull_struct_blob(&el->values[i],
2679 (ndr_pull_flags_fn_t)ndr_pull_repsFromToBlob);
2680 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
2681 talloc_free(tmp_ctx);
2682 return WERR_DS_DRA_INTERNAL_ERROR;
2686 talloc_free(tmp_ctx);
2692 save the repsFromTo blob list for a given partition GUID
2693 attr must be "repsFrom" or "repsTo"
2695 WERROR dsdb_savereps(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx, struct ldb_dn *dn,
2696 const char *attr, struct repsFromToBlob *r, uint32_t count)
2698 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
2699 struct ldb_message *msg;
2700 struct ldb_message_element *el;
2703 msg = ldb_msg_new(tmp_ctx);
2705 if (ldb_msg_add_empty(msg, attr, LDB_FLAG_MOD_REPLACE, &el) != LDB_SUCCESS) {
2709 el->values = talloc_array(msg, struct ldb_val, count);
2714 for (i=0; i<count; i++) {
2716 enum ndr_err_code ndr_err;
2718 ndr_err = ndr_push_struct_blob(&v, tmp_ctx,
2720 (ndr_push_flags_fn_t)ndr_push_repsFromToBlob);
2721 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
2729 if (dsdb_modify(sam_ctx, msg, 0) != LDB_SUCCESS) {
2730 DEBUG(0,("Failed to store %s - %s\n", attr, ldb_errstring(sam_ctx)));
2734 talloc_free(tmp_ctx);
2739 talloc_free(tmp_ctx);
2740 return WERR_DS_DRA_INTERNAL_ERROR;
2745 load the uSNHighest and the uSNUrgent attributes from the @REPLCHANGED
2746 object for a partition
2748 int dsdb_load_partition_usn(struct ldb_context *ldb, struct ldb_dn *dn,
2749 uint64_t *uSN, uint64_t *urgent_uSN)
2751 struct ldb_request *req;
2753 TALLOC_CTX *tmp_ctx = talloc_new(ldb);
2754 struct dsdb_control_current_partition *p_ctrl;
2755 struct ldb_result *res;
2757 res = talloc_zero(tmp_ctx, struct ldb_result);
2759 talloc_free(tmp_ctx);
2760 return ldb_oom(ldb);
2763 ret = ldb_build_search_req(&req, ldb, tmp_ctx,
2764 ldb_dn_new(tmp_ctx, ldb, "@REPLCHANGED"),
2768 res, ldb_search_default_callback,
2770 if (ret != LDB_SUCCESS) {
2771 talloc_free(tmp_ctx);
2775 p_ctrl = talloc(req, struct dsdb_control_current_partition);
2776 if (p_ctrl == NULL) {
2777 talloc_free(tmp_ctx);
2778 return ldb_oom(ldb);
2780 p_ctrl->version = DSDB_CONTROL_CURRENT_PARTITION_VERSION;
2783 ret = ldb_request_add_control(req,
2784 DSDB_CONTROL_CURRENT_PARTITION_OID,
2786 if (ret != LDB_SUCCESS) {
2787 talloc_free(tmp_ctx);
2791 /* Run the new request */
2792 ret = ldb_request(ldb, req);
2794 if (ret == LDB_SUCCESS) {
2795 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
2798 if (ret == LDB_ERR_NO_SUCH_OBJECT || ret == LDB_ERR_INVALID_DN_SYNTAX) {
2799 /* it hasn't been created yet, which means
2800 an implicit value of zero */
2802 talloc_free(tmp_ctx);
2806 if (ret != LDB_SUCCESS) {
2807 talloc_free(tmp_ctx);
2811 if (res->count < 1) {
2817 *uSN = ldb_msg_find_attr_as_uint64(res->msgs[0], "uSNHighest", 0);
2819 *urgent_uSN = ldb_msg_find_attr_as_uint64(res->msgs[0], "uSNUrgent", 0);
2823 talloc_free(tmp_ctx);
2828 int drsuapi_DsReplicaCursor2_compare(const struct drsuapi_DsReplicaCursor2 *c1,
2829 const struct drsuapi_DsReplicaCursor2 *c2)
2831 return GUID_compare(&c1->source_dsa_invocation_id, &c2->source_dsa_invocation_id);
2834 int drsuapi_DsReplicaCursor_compare(const struct drsuapi_DsReplicaCursor *c1,
2835 const struct drsuapi_DsReplicaCursor *c2)
2837 return GUID_compare(&c1->source_dsa_invocation_id, &c2->source_dsa_invocation_id);
2842 see if a computer identified by its invocationId is a RODC
2844 int samdb_is_rodc(struct ldb_context *sam_ctx, const struct GUID *objectGUID, bool *is_rodc)
2846 /* 1) find the DN for this servers NTDSDSA object
2847 2) search for the msDS-isRODC attribute
2848 3) if not present then not a RODC
2849 4) if present and TRUE then is a RODC
2851 struct ldb_dn *config_dn;
2852 const char *attrs[] = { "msDS-isRODC", NULL };
2854 struct ldb_result *res;
2855 TALLOC_CTX *tmp_ctx = talloc_new(sam_ctx);
2857 config_dn = ldb_get_config_basedn(sam_ctx);
2859 talloc_free(tmp_ctx);
2860 return ldb_operr(sam_ctx);
2863 ret = dsdb_search(sam_ctx, tmp_ctx, &res, config_dn, LDB_SCOPE_SUBTREE, attrs,
2864 DSDB_SEARCH_ONE_ONLY, "objectGUID=%s", GUID_string(tmp_ctx, objectGUID));
2866 if (ret == LDB_ERR_NO_SUCH_OBJECT) {
2868 talloc_free(tmp_ctx);
2872 if (ret != LDB_SUCCESS) {
2873 DEBUG(1,(("Failed to find our own NTDS Settings object by objectGUID=%s!\n"),
2874 GUID_string(tmp_ctx, objectGUID)));
2876 talloc_free(tmp_ctx);
2880 ret = ldb_msg_find_attr_as_bool(res->msgs[0], "msDS-isRODC", 0);
2881 *is_rodc = (ret == 1);
2883 talloc_free(tmp_ctx);
2889 see if we are a RODC
2891 int samdb_rodc(struct ldb_context *sam_ctx, bool *am_rodc)
2893 const struct GUID *objectGUID;
2897 /* see if we have a cached copy */
2898 cached = (bool *)ldb_get_opaque(sam_ctx, "cache.am_rodc");
2904 objectGUID = samdb_ntds_objectGUID(sam_ctx);
2906 return ldb_operr(sam_ctx);
2909 ret = samdb_is_rodc(sam_ctx, objectGUID, am_rodc);
2910 if (ret != LDB_SUCCESS) {
2914 cached = talloc(sam_ctx, bool);
2915 if (cached == NULL) {
2916 return ldb_oom(sam_ctx);
2920 ret = ldb_set_opaque(sam_ctx, "cache.am_rodc", cached);
2921 if (ret != LDB_SUCCESS) {
2922 talloc_free(cached);
2923 return ldb_operr(sam_ctx);
2929 bool samdb_set_am_rodc(struct ldb_context *ldb, bool am_rodc)
2931 TALLOC_CTX *tmp_ctx;
2934 tmp_ctx = talloc_new(ldb);
2935 if (tmp_ctx == NULL) {
2939 cached = talloc(tmp_ctx, bool);
2945 if (ldb_set_opaque(ldb, "cache.am_rodc", cached) != LDB_SUCCESS) {
2949 talloc_steal(ldb, cached);
2950 talloc_free(tmp_ctx);
2954 DEBUG(1,("Failed to set our own cached am_rodc in the ldb!\n"));
2955 talloc_free(tmp_ctx);
2961 * return NTDSSiteSettings options. See MS-ADTS 7.1.1.2.2.1.1
2962 * flags are DS_NTDSSETTINGS_OPT_*
2964 int samdb_ntds_site_settings_options(struct ldb_context *ldb_ctx,
2968 TALLOC_CTX *tmp_ctx;
2969 struct ldb_result *res;
2970 struct ldb_dn *site_dn;
2971 const char *attrs[] = { "options", NULL };
2973 tmp_ctx = talloc_new(ldb_ctx);
2974 if (tmp_ctx == NULL)
2977 /* Retrieve the site dn for the ldb that we
2978 * have open. This is our local site.
2980 site_dn = samdb_server_site_dn(ldb_ctx, tmp_ctx);
2981 if (site_dn == NULL)
2984 /* Perform a one level (child) search from the local
2985 * site distinguided name. We're looking for the
2986 * "options" attribute within the nTDSSiteSettings
2989 rc = ldb_search(ldb_ctx, tmp_ctx, &res, site_dn,
2990 LDB_SCOPE_ONELEVEL, attrs,
2991 "objectClass=nTDSSiteSettings");
2993 if (rc != LDB_SUCCESS || res->count != 1)
2996 *options = ldb_msg_find_attr_as_uint(res->msgs[0], "options", 0);
2998 talloc_free(tmp_ctx);
3003 DEBUG(1,("Failed to find our NTDS Site Settings options in ldb!\n"));
3004 talloc_free(tmp_ctx);
3005 return LDB_ERR_NO_SUCH_OBJECT;
3009 return NTDS options flags. See MS-ADTS 7.1.1.2.2.1.2.1.1
3011 flags are DS_NTDS_OPTION_*
3013 int samdb_ntds_options(struct ldb_context *ldb, uint32_t *options)
3015 TALLOC_CTX *tmp_ctx;
3016 const char *attrs[] = { "options", NULL };
3018 struct ldb_result *res;
3020 tmp_ctx = talloc_new(ldb);
3021 if (tmp_ctx == NULL) {
3025 ret = ldb_search(ldb, tmp_ctx, &res, samdb_ntds_settings_dn(ldb), LDB_SCOPE_BASE, attrs, NULL);
3026 if (ret != LDB_SUCCESS) {
3030 if (res->count != 1) {
3034 *options = ldb_msg_find_attr_as_uint(res->msgs[0], "options", 0);
3036 talloc_free(tmp_ctx);
3041 DEBUG(1,("Failed to find our own NTDS Settings options in the ldb!\n"));
3042 talloc_free(tmp_ctx);
3043 return LDB_ERR_NO_SUCH_OBJECT;
3046 const char* samdb_ntds_object_category(TALLOC_CTX *tmp_ctx, struct ldb_context *ldb)
3048 const char *attrs[] = { "objectCategory", NULL };
3050 struct ldb_result *res;
3052 ret = ldb_search(ldb, tmp_ctx, &res, samdb_ntds_settings_dn(ldb), LDB_SCOPE_BASE, attrs, NULL);
3053 if (ret != LDB_SUCCESS) {
3057 if (res->count != 1) {
3061 return ldb_msg_find_attr_as_string(res->msgs[0], "objectCategory", NULL);
3064 DEBUG(1,("Failed to find our own NTDS Settings objectCategory in the ldb!\n"));
3069 * Function which generates a "lDAPDisplayName" attribute from a "CN" one.
3070 * Algorithm implemented according to MS-ADTS 3.1.1.2.3.4
3072 const char *samdb_cn_to_lDAPDisplayName(TALLOC_CTX *mem_ctx, const char *cn)
3074 char **tokens, *ret;
3077 tokens = str_list_make(mem_ctx, cn, " -_");
3081 /* "tolower()" and "toupper()" should also work properly on 0x00 */
3082 tokens[0][0] = tolower(tokens[0][0]);
3083 for (i = 1; i < str_list_length((const char **)tokens); i++)
3084 tokens[i][0] = toupper(tokens[i][0]);
3086 ret = talloc_strdup(mem_ctx, tokens[0]);
3087 for (i = 1; i < str_list_length((const char **)tokens); i++)
3088 ret = talloc_asprintf_append_buffer(ret, "%s", tokens[i]);
3090 talloc_free(tokens);
3096 * This detects and returns the domain functional level (DS_DOMAIN_FUNCTION_*)
3098 int dsdb_functional_level(struct ldb_context *ldb)
3100 int *domainFunctionality =
3101 talloc_get_type(ldb_get_opaque(ldb, "domainFunctionality"), int);
3102 if (!domainFunctionality) {
3103 /* this is expected during initial provision */
3104 DEBUG(4,(__location__ ": WARNING: domainFunctionality not setup\n"));
3105 return DS_DOMAIN_FUNCTION_2000;
3107 return *domainFunctionality;
3111 * This detects and returns the forest functional level (DS_DOMAIN_FUNCTION_*)
3113 int dsdb_forest_functional_level(struct ldb_context *ldb)
3115 int *forestFunctionality =
3116 talloc_get_type(ldb_get_opaque(ldb, "forestFunctionality"), int);
3117 if (!forestFunctionality) {
3118 DEBUG(0,(__location__ ": WARNING: forestFunctionality not setup\n"));
3119 return DS_DOMAIN_FUNCTION_2000;
3121 return *forestFunctionality;
3125 set a GUID in an extended DN structure
3127 int dsdb_set_extended_dn_guid(struct ldb_dn *dn, const struct GUID *guid, const char *component_name)
3133 status = GUID_to_ndr_blob(guid, dn, &v);
3134 if (!NT_STATUS_IS_OK(status)) {
3135 return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
3138 ret = ldb_dn_set_extended_component(dn, component_name, &v);
3144 return a GUID from a extended DN structure
3146 NTSTATUS dsdb_get_extended_dn_guid(struct ldb_dn *dn, struct GUID *guid, const char *component_name)
3148 const struct ldb_val *v;
3150 v = ldb_dn_get_extended_component(dn, component_name);
3152 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
3155 return GUID_from_ndr_blob(v, guid);
3159 return a uint64_t from a extended DN structure
3161 NTSTATUS dsdb_get_extended_dn_uint64(struct ldb_dn *dn, uint64_t *val, const char *component_name)
3163 const struct ldb_val *v;
3166 v = ldb_dn_get_extended_component(dn, component_name);
3168 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
3170 s = talloc_strndup(dn, (const char *)v->data, v->length);
3171 NT_STATUS_HAVE_NO_MEMORY(s);
3173 *val = strtoull(s, NULL, 0);
3176 return NT_STATUS_OK;
3180 return a NTTIME from a extended DN structure
3182 NTSTATUS dsdb_get_extended_dn_nttime(struct ldb_dn *dn, NTTIME *nttime, const char *component_name)
3184 return dsdb_get_extended_dn_uint64(dn, nttime, component_name);
3188 return a uint32_t from a extended DN structure
3190 NTSTATUS dsdb_get_extended_dn_uint32(struct ldb_dn *dn, uint32_t *val, const char *component_name)
3192 const struct ldb_val *v;
3195 v = ldb_dn_get_extended_component(dn, component_name);
3197 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
3200 s = talloc_strndup(dn, (const char *)v->data, v->length);
3201 NT_STATUS_HAVE_NO_MEMORY(s);
3203 *val = strtoul(s, NULL, 0);
3206 return NT_STATUS_OK;
3210 return a dom_sid from a extended DN structure
3212 NTSTATUS dsdb_get_extended_dn_sid(struct ldb_dn *dn, struct dom_sid *sid, const char *component_name)
3214 const struct ldb_val *sid_blob;
3215 struct TALLOC_CTX *tmp_ctx;
3216 enum ndr_err_code ndr_err;
3218 sid_blob = ldb_dn_get_extended_component(dn, component_name);
3220 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
3223 tmp_ctx = talloc_new(NULL);
3225 ndr_err = ndr_pull_struct_blob_all(sid_blob, tmp_ctx, sid,
3226 (ndr_pull_flags_fn_t)ndr_pull_dom_sid);
3227 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
3228 NTSTATUS status = ndr_map_error2ntstatus(ndr_err);
3229 talloc_free(tmp_ctx);
3233 talloc_free(tmp_ctx);
3234 return NT_STATUS_OK;
3239 return RMD_FLAGS directly from a ldb_dn
3240 returns 0 if not found
3242 uint32_t dsdb_dn_rmd_flags(struct ldb_dn *dn)
3244 const struct ldb_val *v;
3246 v = ldb_dn_get_extended_component(dn, "RMD_FLAGS");
3247 if (!v || v->length > sizeof(buf)-1) return 0;
3248 strncpy(buf, (const char *)v->data, v->length);
3250 return strtoul(buf, NULL, 10);
3254 return RMD_FLAGS directly from a ldb_val for a DN
3255 returns 0 if RMD_FLAGS is not found
3257 uint32_t dsdb_dn_val_rmd_flags(const struct ldb_val *val)
3263 if (val->length < 13) {
3266 p = memmem(val->data, val->length, "<RMD_FLAGS=", 11);
3270 flags = strtoul(p+11, &end, 10);
3271 if (!end || *end != '>') {
3272 /* it must end in a > */
3279 return true if a ldb_val containing a DN in storage form is deleted
3281 bool dsdb_dn_is_deleted_val(const struct ldb_val *val)
3283 return (dsdb_dn_val_rmd_flags(val) & DSDB_RMD_FLAG_DELETED) != 0;
3287 return true if a ldb_val containing a DN in storage form is
3288 in the upgraded w2k3 linked attribute format
3290 bool dsdb_dn_is_upgraded_link_val(struct ldb_val *val)
3292 return memmem(val->data, val->length, "<RMD_VERSION=", 13) != NULL;
3296 return a DN for a wellknown GUID
3298 int dsdb_wellknown_dn(struct ldb_context *samdb, TALLOC_CTX *mem_ctx,
3299 struct ldb_dn *nc_root, const char *wk_guid,
3300 struct ldb_dn **wkguid_dn)
3302 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
3303 const char *attrs[] = { NULL };
3306 struct ldb_result *res;
3308 /* construct the magic WKGUID DN */
3309 dn = ldb_dn_new_fmt(tmp_ctx, samdb, "<WKGUID=%s,%s>",
3310 wk_guid, ldb_dn_get_linearized(nc_root));
3312 talloc_free(tmp_ctx);
3313 return ldb_operr(samdb);
3316 ret = dsdb_search_dn(samdb, tmp_ctx, &res, dn, attrs,
3317 DSDB_SEARCH_SHOW_DELETED |
3318 DSDB_SEARCH_SHOW_RECYCLED);
3319 if (ret != LDB_SUCCESS) {
3320 talloc_free(tmp_ctx);
3324 (*wkguid_dn) = talloc_steal(mem_ctx, res->msgs[0]->dn);
3325 talloc_free(tmp_ctx);
3330 static int dsdb_dn_compare_ptrs(struct ldb_dn **dn1, struct ldb_dn **dn2)
3332 return ldb_dn_compare(*dn1, *dn2);
3336 find a NC root given a DN within the NC
3338 int dsdb_find_nc_root(struct ldb_context *samdb, TALLOC_CTX *mem_ctx, struct ldb_dn *dn,
3339 struct ldb_dn **nc_root)
3341 const char *root_attrs[] = { "namingContexts", NULL };
3342 TALLOC_CTX *tmp_ctx;
3344 struct ldb_message_element *el;
3345 struct ldb_result *root_res;
3347 struct ldb_dn **nc_dns;
3349 tmp_ctx = talloc_new(samdb);
3350 if (tmp_ctx == NULL) {
3351 return ldb_oom(samdb);
3354 ret = ldb_search(samdb, tmp_ctx, &root_res,
3355 ldb_dn_new(tmp_ctx, samdb, ""), LDB_SCOPE_BASE, root_attrs, NULL);
3356 if (ret != LDB_SUCCESS) {
3357 DEBUG(1,("Searching for namingContexts in rootDSE failed: %s\n", ldb_errstring(samdb)));
3358 talloc_free(tmp_ctx);
3362 el = ldb_msg_find_element(root_res->msgs[0], "namingContexts");
3363 if ((el == NULL) || (el->num_values < 3)) {
3364 struct ldb_message *tmp_msg;
3366 DEBUG(5,("dsdb_find_nc_root: Finding a valid 'namingContexts' element in the RootDSE failed. Using a temporary list."));
3368 /* This generates a temporary list of NCs in order to let the
3369 * provisioning work. */
3370 tmp_msg = ldb_msg_new(tmp_ctx);
3371 if (tmp_msg == NULL) {
3372 talloc_free(tmp_ctx);
3373 return ldb_oom(samdb);
3375 ret = ldb_msg_add_steal_string(tmp_msg, "namingContexts",
3376 ldb_dn_alloc_linearized(tmp_msg, ldb_get_schema_basedn(samdb)));
3377 if (ret != LDB_SUCCESS) {
3378 talloc_free(tmp_ctx);
3381 ret = ldb_msg_add_steal_string(tmp_msg, "namingContexts",
3382 ldb_dn_alloc_linearized(tmp_msg, ldb_get_config_basedn(samdb)));
3383 if (ret != LDB_SUCCESS) {
3384 talloc_free(tmp_ctx);
3387 ret = ldb_msg_add_steal_string(tmp_msg, "namingContexts",
3388 ldb_dn_alloc_linearized(tmp_msg, ldb_get_default_basedn(samdb)));
3389 if (ret != LDB_SUCCESS) {
3390 talloc_free(tmp_ctx);
3393 el = &tmp_msg->elements[0];
3396 nc_dns = talloc_array(tmp_ctx, struct ldb_dn *, el->num_values);
3398 talloc_free(tmp_ctx);
3399 return ldb_oom(samdb);
3402 for (i=0; i<el->num_values; i++) {
3403 nc_dns[i] = ldb_dn_from_ldb_val(nc_dns, samdb, &el->values[i]);
3404 if (nc_dns[i] == NULL) {
3405 talloc_free(tmp_ctx);
3406 return ldb_operr(samdb);
3410 TYPESAFE_QSORT(nc_dns, el->num_values, dsdb_dn_compare_ptrs);
3412 for (i=0; i<el->num_values; i++) {
3413 if (ldb_dn_compare_base(nc_dns[i], dn) == 0) {
3414 (*nc_root) = talloc_steal(mem_ctx, nc_dns[i]);
3415 talloc_free(tmp_ctx);
3420 talloc_free(tmp_ctx);
3421 return LDB_ERR_NO_SUCH_OBJECT;
3426 find the deleted objects DN for any object, by looking for the NC
3427 root, then looking up the wellknown GUID
3429 int dsdb_get_deleted_objects_dn(struct ldb_context *ldb,
3430 TALLOC_CTX *mem_ctx, struct ldb_dn *obj_dn,
3431 struct ldb_dn **do_dn)
3433 struct ldb_dn *nc_root;
3436 ret = dsdb_find_nc_root(ldb, mem_ctx, obj_dn, &nc_root);
3437 if (ret != LDB_SUCCESS) {
3441 ret = dsdb_wellknown_dn(ldb, mem_ctx, nc_root, DS_GUID_DELETED_OBJECTS_CONTAINER, do_dn);
3442 talloc_free(nc_root);
3447 return the tombstoneLifetime, in days
3449 int dsdb_tombstone_lifetime(struct ldb_context *ldb, uint32_t *lifetime)
3452 dn = ldb_get_config_basedn(ldb);
3454 return LDB_ERR_NO_SUCH_OBJECT;
3456 dn = ldb_dn_copy(ldb, dn);
3458 return ldb_operr(ldb);
3460 /* see MS-ADTS section 7.1.1.2.4.1.1. There doesn't appear to
3461 be a wellknown GUID for this */
3462 if (!ldb_dn_add_child_fmt(dn, "CN=Directory Service,CN=Windows NT,CN=Services")) {
3464 return ldb_operr(ldb);
3467 *lifetime = samdb_search_uint(ldb, dn, 180, dn, "tombstoneLifetime", "objectClass=nTDSService");
3473 compare a ldb_val to a string case insensitively
3475 int samdb_ldb_val_case_cmp(const char *s, struct ldb_val *v)
3477 size_t len = strlen(s);
3479 if (len > v->length) return 1;
3480 ret = strncasecmp(s, (const char *)v->data, v->length);
3481 if (ret != 0) return ret;
3482 if (v->length > len && v->data[len] != 0) {
3490 load the UDV for a partition in v2 format
3491 The list is returned sorted, and with our local cursor added
3493 int dsdb_load_udv_v2(struct ldb_context *samdb, struct ldb_dn *dn, TALLOC_CTX *mem_ctx,
3494 struct drsuapi_DsReplicaCursor2 **cursors, uint32_t *count)
3496 static const char *attrs[] = { "replUpToDateVector", NULL };
3497 struct ldb_result *r;
3498 const struct ldb_val *ouv_value;
3501 uint64_t highest_usn;
3502 const struct GUID *our_invocation_id;
3503 struct timeval now = timeval_current();
3505 ret = ldb_search(samdb, mem_ctx, &r, dn, LDB_SCOPE_BASE, attrs, NULL);
3506 if (ret != LDB_SUCCESS) {
3510 ouv_value = ldb_msg_find_ldb_val(r->msgs[0], "replUpToDateVector");
3512 enum ndr_err_code ndr_err;
3513 struct replUpToDateVectorBlob ouv;
3515 ndr_err = ndr_pull_struct_blob(ouv_value, r, &ouv,
3516 (ndr_pull_flags_fn_t)ndr_pull_replUpToDateVectorBlob);
3517 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
3519 return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
3521 if (ouv.version != 2) {
3522 /* we always store as version 2, and
3523 * replUpToDateVector is not replicated
3525 return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
3528 *count = ouv.ctr.ctr2.count;
3529 *cursors = talloc_steal(mem_ctx, ouv.ctr.ctr2.cursors);
3537 our_invocation_id = samdb_ntds_invocation_id(samdb);
3538 if (!our_invocation_id) {
3539 DEBUG(0,(__location__ ": No invocationID on samdb - %s\n", ldb_errstring(samdb)));
3540 talloc_free(*cursors);
3541 return ldb_operr(samdb);
3544 ret = dsdb_load_partition_usn(samdb, dn, &highest_usn, NULL);
3545 if (ret != LDB_SUCCESS) {
3546 /* nothing to add - this can happen after a vampire */
3547 TYPESAFE_QSORT(*cursors, *count, drsuapi_DsReplicaCursor2_compare);
3551 for (i=0; i<*count; i++) {
3552 if (GUID_equal(our_invocation_id, &(*cursors)[i].source_dsa_invocation_id)) {
3553 (*cursors)[i].highest_usn = highest_usn;
3554 (*cursors)[i].last_sync_success = timeval_to_nttime(&now);
3555 TYPESAFE_QSORT(*cursors, *count, drsuapi_DsReplicaCursor2_compare);
3560 (*cursors) = talloc_realloc(mem_ctx, *cursors, struct drsuapi_DsReplicaCursor2, (*count)+1);
3562 return ldb_oom(samdb);
3565 (*cursors)[*count].source_dsa_invocation_id = *our_invocation_id;
3566 (*cursors)[*count].highest_usn = highest_usn;
3567 (*cursors)[*count].last_sync_success = timeval_to_nttime(&now);
3570 TYPESAFE_QSORT(*cursors, *count, drsuapi_DsReplicaCursor2_compare);
3576 load the UDV for a partition in version 1 format
3577 The list is returned sorted, and with our local cursor added
3579 int dsdb_load_udv_v1(struct ldb_context *samdb, struct ldb_dn *dn, TALLOC_CTX *mem_ctx,
3580 struct drsuapi_DsReplicaCursor **cursors, uint32_t *count)
3582 struct drsuapi_DsReplicaCursor2 *v2;
3586 ret = dsdb_load_udv_v2(samdb, dn, mem_ctx, &v2, count);
3587 if (ret != LDB_SUCCESS) {
3597 *cursors = talloc_array(mem_ctx, struct drsuapi_DsReplicaCursor, *count);
3598 if (*cursors == NULL) {
3600 return ldb_oom(samdb);
3603 for (i=0; i<*count; i++) {
3604 (*cursors)[i].source_dsa_invocation_id = v2[i].source_dsa_invocation_id;
3605 (*cursors)[i].highest_usn = v2[i].highest_usn;
3612 add a set of controls to a ldb_request structure based on a set of
3613 flags. See util.h for a list of available flags
3615 int dsdb_request_add_controls(struct ldb_request *req, uint32_t dsdb_flags)
3618 if (dsdb_flags & DSDB_SEARCH_SEARCH_ALL_PARTITIONS) {
3619 struct ldb_search_options_control *options;
3620 /* Using the phantom root control allows us to search all partitions */
3621 options = talloc(req, struct ldb_search_options_control);
3622 if (options == NULL) {
3623 return LDB_ERR_OPERATIONS_ERROR;
3625 options->search_options = LDB_SEARCH_OPTION_PHANTOM_ROOT;
3627 ret = ldb_request_add_control(req,
3628 LDB_CONTROL_SEARCH_OPTIONS_OID,
3630 if (ret != LDB_SUCCESS) {
3635 if (dsdb_flags & DSDB_SEARCH_NO_GLOBAL_CATALOG) {
3636 ret = ldb_request_add_control(req,
3637 DSDB_CONTROL_NO_GLOBAL_CATALOG,
3639 if (ret != LDB_SUCCESS) {
3644 if (dsdb_flags & DSDB_SEARCH_SHOW_DELETED) {
3645 ret = ldb_request_add_control(req, LDB_CONTROL_SHOW_DELETED_OID, true, NULL);
3646 if (ret != LDB_SUCCESS) {
3651 if (dsdb_flags & DSDB_SEARCH_SHOW_RECYCLED) {
3652 ret = ldb_request_add_control(req, LDB_CONTROL_SHOW_RECYCLED_OID, false, NULL);
3653 if (ret != LDB_SUCCESS) {
3658 if (dsdb_flags & DSDB_SEARCH_SHOW_DN_IN_STORAGE_FORMAT) {
3659 ret = ldb_request_add_control(req, DSDB_CONTROL_DN_STORAGE_FORMAT_OID, false, NULL);
3660 if (ret != LDB_SUCCESS) {
3665 if (dsdb_flags & DSDB_SEARCH_SHOW_EXTENDED_DN) {
3666 struct ldb_extended_dn_control *extended_ctrl = talloc(req, struct ldb_extended_dn_control);
3667 if (!extended_ctrl) {
3668 return LDB_ERR_OPERATIONS_ERROR;
3670 extended_ctrl->type = 1;
3672 ret = ldb_request_add_control(req, LDB_CONTROL_EXTENDED_DN_OID, true, extended_ctrl);
3673 if (ret != LDB_SUCCESS) {
3678 if (dsdb_flags & DSDB_SEARCH_REVEAL_INTERNALS) {
3679 ret = ldb_request_add_control(req, LDB_CONTROL_REVEAL_INTERNALS, false, NULL);
3680 if (ret != LDB_SUCCESS) {
3685 if (dsdb_flags & DSDB_MODIFY_RELAX) {
3686 ret = ldb_request_add_control(req, LDB_CONTROL_RELAX_OID, false, NULL);
3687 if (ret != LDB_SUCCESS) {
3692 if (dsdb_flags & DSDB_MODIFY_PERMISSIVE) {
3693 ret = ldb_request_add_control(req, LDB_CONTROL_PERMISSIVE_MODIFY_OID, false, NULL);
3694 if (ret != LDB_SUCCESS) {
3699 if (dsdb_flags & DSDB_FLAG_AS_SYSTEM) {
3700 ret = ldb_request_add_control(req, LDB_CONTROL_AS_SYSTEM_OID, false, NULL);
3701 if (ret != LDB_SUCCESS) {
3706 if (dsdb_flags & DSDB_TREE_DELETE) {
3707 ret = ldb_request_add_control(req, LDB_CONTROL_TREE_DELETE_OID, false, NULL);
3708 if (ret != LDB_SUCCESS) {
3713 if (dsdb_flags & DSDB_PROVISION) {
3714 ret = ldb_request_add_control(req, LDB_CONTROL_PROVISION_OID, false, NULL);
3715 if (ret != LDB_SUCCESS) {
3720 /* This is a special control to bypass the password_hash module for use in pdb_samba4 for Samba3 upgrades */
3721 if (dsdb_flags & DSDB_BYPASS_PASSWORD_HASH) {
3722 ret = ldb_request_add_control(req, DSDB_CONTROL_BYPASS_PASSWORD_HASH_OID, true, NULL);
3723 if (ret != LDB_SUCCESS) {
3728 if (dsdb_flags & DSDB_MODIFY_PARTIAL_REPLICA) {
3729 ret = ldb_request_add_control(req, DSDB_CONTROL_PARTIAL_REPLICA, false, NULL);
3730 if (ret != LDB_SUCCESS) {
3739 an add with a set of controls
3741 int dsdb_add(struct ldb_context *ldb, const struct ldb_message *message,
3742 uint32_t dsdb_flags)
3744 struct ldb_request *req;
3747 ret = ldb_build_add_req(&req, ldb, ldb,
3751 ldb_op_default_callback,
3754 if (ret != LDB_SUCCESS) return ret;
3756 ret = dsdb_request_add_controls(req, dsdb_flags);
3757 if (ret != LDB_SUCCESS) {
3762 ret = dsdb_autotransaction_request(ldb, req);
3769 a modify with a set of controls
3771 int dsdb_modify(struct ldb_context *ldb, const struct ldb_message *message,
3772 uint32_t dsdb_flags)
3774 struct ldb_request *req;
3777 ret = ldb_build_mod_req(&req, ldb, ldb,
3781 ldb_op_default_callback,
3784 if (ret != LDB_SUCCESS) return ret;
3786 ret = dsdb_request_add_controls(req, dsdb_flags);
3787 if (ret != LDB_SUCCESS) {
3792 ret = dsdb_autotransaction_request(ldb, req);
3799 a delete with a set of flags
3801 int dsdb_delete(struct ldb_context *ldb, struct ldb_dn *dn,
3802 uint32_t dsdb_flags)
3804 struct ldb_request *req;
3807 ret = ldb_build_del_req(&req, ldb, ldb,
3811 ldb_op_default_callback,
3814 if (ret != LDB_SUCCESS) return ret;
3816 ret = dsdb_request_add_controls(req, dsdb_flags);
3817 if (ret != LDB_SUCCESS) {
3822 ret = dsdb_autotransaction_request(ldb, req);
3829 like dsdb_modify() but set all the element flags to
3830 LDB_FLAG_MOD_REPLACE
3832 int dsdb_replace(struct ldb_context *ldb, struct ldb_message *msg, uint32_t dsdb_flags)
3836 /* mark all the message elements as LDB_FLAG_MOD_REPLACE */
3837 for (i=0;i<msg->num_elements;i++) {
3838 msg->elements[i].flags = LDB_FLAG_MOD_REPLACE;
3841 return dsdb_modify(ldb, msg, dsdb_flags);
3846 search for attrs on one DN, allowing for dsdb_flags controls
3848 int dsdb_search_dn(struct ldb_context *ldb,
3849 TALLOC_CTX *mem_ctx,
3850 struct ldb_result **_res,
3851 struct ldb_dn *basedn,
3852 const char * const *attrs,
3853 uint32_t dsdb_flags)
3856 struct ldb_request *req;
3857 struct ldb_result *res;
3859 res = talloc_zero(mem_ctx, struct ldb_result);
3861 return ldb_oom(ldb);
3864 ret = ldb_build_search_req(&req, ldb, res,
3871 ldb_search_default_callback,
3873 if (ret != LDB_SUCCESS) {
3878 ret = dsdb_request_add_controls(req, dsdb_flags);
3879 if (ret != LDB_SUCCESS) {
3884 ret = ldb_request(ldb, req);
3885 if (ret == LDB_SUCCESS) {
3886 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
3890 if (ret != LDB_SUCCESS) {
3900 search for attrs on one DN, by the GUID of the DN, allowing for
3903 int dsdb_search_by_dn_guid(struct ldb_context *ldb,
3904 TALLOC_CTX *mem_ctx,
3905 struct ldb_result **_res,
3906 const struct GUID *guid,
3907 const char * const *attrs,
3908 uint32_t dsdb_flags)
3910 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
3914 dn = ldb_dn_new_fmt(tmp_ctx, ldb, "<GUID=%s>", GUID_string(tmp_ctx, guid));
3916 talloc_free(tmp_ctx);
3917 return ldb_oom(ldb);
3920 ret = dsdb_search_dn(ldb, mem_ctx, _res, dn, attrs, dsdb_flags);
3921 talloc_free(tmp_ctx);
3926 general search with dsdb_flags for controls
3928 int dsdb_search(struct ldb_context *ldb,
3929 TALLOC_CTX *mem_ctx,
3930 struct ldb_result **_res,
3931 struct ldb_dn *basedn,
3932 enum ldb_scope scope,
3933 const char * const *attrs,
3934 uint32_t dsdb_flags,
3935 const char *exp_fmt, ...) _PRINTF_ATTRIBUTE(8, 9)
3938 struct ldb_request *req;
3939 struct ldb_result *res;
3941 char *expression = NULL;
3942 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
3944 /* cross-partitions searches with a basedn break multi-domain support */
3945 SMB_ASSERT(basedn == NULL || (dsdb_flags & DSDB_SEARCH_SEARCH_ALL_PARTITIONS) == 0);
3947 res = talloc_zero(tmp_ctx, struct ldb_result);
3949 talloc_free(tmp_ctx);
3950 return ldb_oom(ldb);
3954 va_start(ap, exp_fmt);
3955 expression = talloc_vasprintf(tmp_ctx, exp_fmt, ap);
3959 talloc_free(tmp_ctx);
3960 return ldb_oom(ldb);
3964 ret = ldb_build_search_req(&req, ldb, tmp_ctx,
3971 ldb_search_default_callback,
3973 if (ret != LDB_SUCCESS) {
3974 talloc_free(tmp_ctx);
3978 ret = dsdb_request_add_controls(req, dsdb_flags);
3979 if (ret != LDB_SUCCESS) {
3980 talloc_free(tmp_ctx);
3981 ldb_reset_err_string(ldb);
3985 ret = ldb_request(ldb, req);
3986 if (ret == LDB_SUCCESS) {
3987 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
3990 if (ret != LDB_SUCCESS) {
3991 talloc_free(tmp_ctx);
3995 if (dsdb_flags & DSDB_SEARCH_ONE_ONLY) {
3996 if (res->count == 0) {
3997 talloc_free(tmp_ctx);
3998 ldb_reset_err_string(ldb);
3999 return LDB_ERR_NO_SUCH_OBJECT;
4001 if (res->count != 1) {
4002 talloc_free(tmp_ctx);
4003 ldb_reset_err_string(ldb);
4004 return LDB_ERR_CONSTRAINT_VIOLATION;
4008 *_res = talloc_steal(mem_ctx, res);
4009 talloc_free(tmp_ctx);
4016 general search with dsdb_flags for controls
4017 returns exactly 1 record or an error
4019 int dsdb_search_one(struct ldb_context *ldb,
4020 TALLOC_CTX *mem_ctx,
4021 struct ldb_message **msg,
4022 struct ldb_dn *basedn,
4023 enum ldb_scope scope,
4024 const char * const *attrs,
4025 uint32_t dsdb_flags,
4026 const char *exp_fmt, ...) _PRINTF_ATTRIBUTE(8, 9)
4029 struct ldb_result *res;
4031 char *expression = NULL;
4032 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
4034 dsdb_flags |= DSDB_SEARCH_ONE_ONLY;
4036 res = talloc_zero(tmp_ctx, struct ldb_result);
4038 talloc_free(tmp_ctx);
4039 return ldb_oom(ldb);
4043 va_start(ap, exp_fmt);
4044 expression = talloc_vasprintf(tmp_ctx, exp_fmt, ap);
4048 talloc_free(tmp_ctx);
4049 return ldb_oom(ldb);
4051 ret = dsdb_search(ldb, tmp_ctx, &res, basedn, scope, attrs,
4052 dsdb_flags, "%s", expression);
4054 ret = dsdb_search(ldb, tmp_ctx, &res, basedn, scope, attrs,
4058 if (ret != LDB_SUCCESS) {
4059 talloc_free(tmp_ctx);
4063 *msg = talloc_steal(mem_ctx, res->msgs[0]);
4064 talloc_free(tmp_ctx);
4069 /* returns back the forest DNS name */
4070 const char *samdb_forest_name(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
4072 const char *forest_name = ldb_dn_canonical_string(mem_ctx,
4073 ldb_get_root_basedn(ldb));
4076 if (forest_name == NULL) {
4080 p = strchr(forest_name, '/');
4088 /* returns back the default domain DNS name */
4089 const char *samdb_default_domain_name(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
4091 const char *domain_name = ldb_dn_canonical_string(mem_ctx,
4092 ldb_get_default_basedn(ldb));
4095 if (domain_name == NULL) {
4099 p = strchr(domain_name, '/');
4108 validate that an DSA GUID belongs to the specified user sid.
4109 The user SID must be a domain controller account (either RODC or
4112 int dsdb_validate_dsa_guid(struct ldb_context *ldb,
4113 const struct GUID *dsa_guid,
4114 const struct dom_sid *sid)
4117 - find DN of record with the DSA GUID in the
4118 configuration partition (objectGUID)
4119 - remove "NTDS Settings" component from DN
4120 - do a base search on that DN for serverReference with
4122 - extract objectSid from resulting serverReference
4124 - check this sid matches the sid argument
4126 struct ldb_dn *config_dn;
4127 TALLOC_CTX *tmp_ctx = talloc_new(ldb);
4128 struct ldb_message *msg;
4129 const char *attrs1[] = { NULL };
4130 const char *attrs2[] = { "serverReference", NULL };
4132 struct ldb_dn *dn, *account_dn;
4133 struct dom_sid sid2;
4136 config_dn = ldb_get_config_basedn(ldb);
4138 ret = dsdb_search_one(ldb, tmp_ctx, &msg, config_dn, LDB_SCOPE_SUBTREE,
4139 attrs1, 0, "(&(objectGUID=%s)(objectClass=nTDSDSA))", GUID_string(tmp_ctx, dsa_guid));
4140 if (ret != LDB_SUCCESS) {
4141 DEBUG(1,(__location__ ": Failed to find DSA objectGUID %s for sid %s\n",
4142 GUID_string(tmp_ctx, dsa_guid), dom_sid_string(tmp_ctx, sid)));
4143 talloc_free(tmp_ctx);
4144 return ldb_operr(ldb);
4148 if (!ldb_dn_remove_child_components(dn, 1)) {
4149 talloc_free(tmp_ctx);
4150 return ldb_operr(ldb);
4153 ret = dsdb_search_one(ldb, tmp_ctx, &msg, dn, LDB_SCOPE_BASE,
4154 attrs2, DSDB_SEARCH_SHOW_EXTENDED_DN,
4155 "(objectClass=server)");
4156 if (ret != LDB_SUCCESS) {
4157 DEBUG(1,(__location__ ": Failed to find server record for DSA with objectGUID %s, 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);
4163 account_dn = ldb_msg_find_attr_as_dn(ldb, tmp_ctx, msg, "serverReference");
4164 if (account_dn == NULL) {
4165 DEBUG(1,(__location__ ": Failed to find account_dn for DSA with objectGUID %s, sid %s\n",
4166 GUID_string(tmp_ctx, dsa_guid), dom_sid_string(tmp_ctx, sid)));
4167 talloc_free(tmp_ctx);
4168 return ldb_operr(ldb);
4171 status = dsdb_get_extended_dn_sid(account_dn, &sid2, "SID");
4172 if (!NT_STATUS_IS_OK(status)) {
4173 DEBUG(1,(__location__ ": Failed to find SID 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 if (!dom_sid_equal(sid, &sid2)) {
4180 /* someone is trying to spoof another account */
4181 DEBUG(0,(__location__ ": Bad DSA objectGUID %s for sid %s - expected sid %s\n",
4182 GUID_string(tmp_ctx, dsa_guid),
4183 dom_sid_string(tmp_ctx, sid),
4184 dom_sid_string(tmp_ctx, &sid2)));
4185 talloc_free(tmp_ctx);
4186 return ldb_operr(ldb);
4189 talloc_free(tmp_ctx);
4193 static const char * const secret_attributes[] = {
4194 DSDB_SECRET_ATTRIBUTES,
4199 check if the attribute belongs to the RODC filtered attribute set
4200 Note that attributes that are in the filtered attribute set are the
4201 ones that _are_ always sent to a RODC
4203 bool dsdb_attr_in_rodc_fas(const struct dsdb_attribute *sa)
4205 /* they never get secret attributes */
4206 if (is_attr_in_list(secret_attributes, sa->lDAPDisplayName)) {
4210 /* they do get non-secret critical attributes */
4211 if (sa->schemaFlagsEx & SCHEMA_FLAG_ATTR_IS_CRITICAL) {
4215 /* they do get non-secret attributes marked as being in the FAS */
4216 if (sa->searchFlags & SEARCH_FLAG_RODC_ATTRIBUTE) {
4220 /* other attributes are denied */
4224 /* return fsmo role dn and role owner dn for a particular role*/
4225 WERROR dsdb_get_fsmo_role_info(TALLOC_CTX *tmp_ctx,
4226 struct ldb_context *ldb,
4228 struct ldb_dn **fsmo_role_dn,
4229 struct ldb_dn **role_owner_dn)
4233 case DREPL_NAMING_MASTER:
4234 *fsmo_role_dn = samdb_partitions_dn(ldb, tmp_ctx);
4235 ret = samdb_reference_dn(ldb, tmp_ctx, *fsmo_role_dn, "fSMORoleOwner", role_owner_dn);
4236 if (ret != LDB_SUCCESS) {
4237 DEBUG(0,(__location__ ": Failed to find fSMORoleOwner in Naming Master object - %s",
4238 ldb_errstring(ldb)));
4239 talloc_free(tmp_ctx);
4240 return WERR_DS_DRA_INTERNAL_ERROR;
4243 case DREPL_INFRASTRUCTURE_MASTER:
4244 *fsmo_role_dn = samdb_infrastructure_dn(ldb, tmp_ctx);
4245 ret = samdb_reference_dn(ldb, tmp_ctx, *fsmo_role_dn, "fSMORoleOwner", role_owner_dn);
4246 if (ret != LDB_SUCCESS) {
4247 DEBUG(0,(__location__ ": Failed to find fSMORoleOwner in Schema Master object - %s",
4248 ldb_errstring(ldb)));
4249 talloc_free(tmp_ctx);
4250 return WERR_DS_DRA_INTERNAL_ERROR;
4253 case DREPL_RID_MASTER:
4254 ret = samdb_rid_manager_dn(ldb, tmp_ctx, fsmo_role_dn);
4255 if (ret != LDB_SUCCESS) {
4256 DEBUG(0, (__location__ ": Failed to find RID Manager object - %s", ldb_errstring(ldb)));
4257 talloc_free(tmp_ctx);
4258 return WERR_DS_DRA_INTERNAL_ERROR;
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 RID Manager object - %s",
4264 ldb_errstring(ldb)));
4265 talloc_free(tmp_ctx);
4266 return WERR_DS_DRA_INTERNAL_ERROR;
4269 case DREPL_SCHEMA_MASTER:
4270 *fsmo_role_dn = ldb_get_schema_basedn(ldb);
4271 ret = samdb_reference_dn(ldb, tmp_ctx, *fsmo_role_dn, "fSMORoleOwner", role_owner_dn);
4272 if (ret != LDB_SUCCESS) {
4273 DEBUG(0,(__location__ ": Failed to find fSMORoleOwner in Schema Master object - %s",
4274 ldb_errstring(ldb)));
4275 talloc_free(tmp_ctx);
4276 return WERR_DS_DRA_INTERNAL_ERROR;
4279 case DREPL_PDC_MASTER:
4280 *fsmo_role_dn = ldb_get_default_basedn(ldb);
4281 ret = samdb_reference_dn(ldb, tmp_ctx, *fsmo_role_dn, "fSMORoleOwner", role_owner_dn);
4282 if (ret != LDB_SUCCESS) {
4283 DEBUG(0,(__location__ ": Failed to find fSMORoleOwner in Pd Master object - %s",
4284 ldb_errstring(ldb)));
4285 talloc_free(tmp_ctx);
4286 return WERR_DS_DRA_INTERNAL_ERROR;
4290 return WERR_DS_DRA_INTERNAL_ERROR;
4295 const char *samdb_dn_to_dnshostname(struct ldb_context *ldb,
4296 TALLOC_CTX *mem_ctx,
4297 struct ldb_dn *server_dn)
4300 struct ldb_result *res = NULL;
4301 const char * const attrs[] = { "dNSHostName", NULL};
4303 ldb_ret = ldb_search(ldb, mem_ctx, &res,
4307 if (ldb_ret != LDB_SUCCESS) {
4308 DEBUG(4, ("Failed to find dNSHostName for dn %s, ldb error: %s",
4309 ldb_dn_get_linearized(server_dn), ldb_errstring(ldb)));
4313 return ldb_msg_find_attr_as_string(res->msgs[0], "dNSHostName", NULL);
4317 returns true if an attribute is in the filter,
4318 false otherwise, provided that attribute value is provided with the expression
4320 bool dsdb_attr_in_parse_tree(struct ldb_parse_tree *tree,
4324 switch (tree->operation) {
4327 for (i=0;i<tree->u.list.num_elements;i++) {
4328 if (dsdb_attr_in_parse_tree(tree->u.list.elements[i],
4334 return dsdb_attr_in_parse_tree(tree->u.isnot.child, attr);
4335 case LDB_OP_EQUALITY:
4336 case LDB_OP_GREATER:
4339 if (ldb_attr_cmp(tree->u.equality.attr, attr) == 0) {
4343 case LDB_OP_SUBSTRING:
4344 if (ldb_attr_cmp(tree->u.substring.attr, attr) == 0) {
4348 case LDB_OP_PRESENT:
4349 /* (attrname=*) is not filtered out */
4351 case LDB_OP_EXTENDED:
4352 if (tree->u.extended.attr &&
4353 ldb_attr_cmp(tree->u.extended.attr, attr) == 0) {
4361 bool is_attr_in_list(const char * const * attrs, const char *attr)
4365 for (i = 0; attrs[i]; i++) {
4366 if (ldb_attr_cmp(attrs[i], attr) == 0)
4375 map an ldb error code to an approximate NTSTATUS code
4377 NTSTATUS dsdb_ldb_err_to_ntstatus(int err)
4381 return NT_STATUS_OK;
4383 case LDB_ERR_PROTOCOL_ERROR:
4384 return NT_STATUS_DEVICE_PROTOCOL_ERROR;
4386 case LDB_ERR_TIME_LIMIT_EXCEEDED:
4387 return NT_STATUS_IO_TIMEOUT;
4389 case LDB_ERR_SIZE_LIMIT_EXCEEDED:
4390 return NT_STATUS_BUFFER_TOO_SMALL;
4392 case LDB_ERR_COMPARE_FALSE:
4393 case LDB_ERR_COMPARE_TRUE:
4394 return NT_STATUS_REVISION_MISMATCH;
4396 case LDB_ERR_AUTH_METHOD_NOT_SUPPORTED:
4397 return NT_STATUS_NOT_SUPPORTED;
4399 case LDB_ERR_STRONG_AUTH_REQUIRED:
4400 case LDB_ERR_CONFIDENTIALITY_REQUIRED:
4401 case LDB_ERR_SASL_BIND_IN_PROGRESS:
4402 case LDB_ERR_INAPPROPRIATE_AUTHENTICATION:
4403 case LDB_ERR_INVALID_CREDENTIALS:
4404 case LDB_ERR_INSUFFICIENT_ACCESS_RIGHTS:
4405 case LDB_ERR_UNWILLING_TO_PERFORM:
4406 return NT_STATUS_ACCESS_DENIED;
4408 case LDB_ERR_NO_SUCH_OBJECT:
4409 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
4411 case LDB_ERR_REFERRAL:
4412 case LDB_ERR_NO_SUCH_ATTRIBUTE:
4413 return NT_STATUS_NOT_FOUND;
4415 case LDB_ERR_UNSUPPORTED_CRITICAL_EXTENSION:
4416 return NT_STATUS_NOT_SUPPORTED;
4418 case LDB_ERR_ADMIN_LIMIT_EXCEEDED:
4419 return NT_STATUS_BUFFER_TOO_SMALL;
4421 case LDB_ERR_UNDEFINED_ATTRIBUTE_TYPE:
4422 case LDB_ERR_INAPPROPRIATE_MATCHING:
4423 case LDB_ERR_CONSTRAINT_VIOLATION:
4424 case LDB_ERR_INVALID_ATTRIBUTE_SYNTAX:
4425 case LDB_ERR_INVALID_DN_SYNTAX:
4426 case LDB_ERR_NAMING_VIOLATION:
4427 case LDB_ERR_OBJECT_CLASS_VIOLATION:
4428 case LDB_ERR_NOT_ALLOWED_ON_NON_LEAF:
4429 case LDB_ERR_NOT_ALLOWED_ON_RDN:
4430 return NT_STATUS_INVALID_PARAMETER;
4432 case LDB_ERR_ATTRIBUTE_OR_VALUE_EXISTS:
4433 case LDB_ERR_ENTRY_ALREADY_EXISTS:
4434 return NT_STATUS_ERROR_DS_OBJ_STRING_NAME_EXISTS;
4437 return NT_STATUS_NETWORK_BUSY;
4439 case LDB_ERR_ALIAS_PROBLEM:
4440 case LDB_ERR_ALIAS_DEREFERENCING_PROBLEM:
4441 case LDB_ERR_UNAVAILABLE:
4442 case LDB_ERR_LOOP_DETECT:
4443 case LDB_ERR_OBJECT_CLASS_MODS_PROHIBITED:
4444 case LDB_ERR_AFFECTS_MULTIPLE_DSAS:
4446 case LDB_ERR_OPERATIONS_ERROR:
4449 return NT_STATUS_UNSUCCESSFUL;
4454 create a new naming context that will hold a partial replica
4456 int dsdb_create_partial_replica_NC(struct ldb_context *ldb, struct ldb_dn *dn)
4458 TALLOC_CTX *tmp_ctx = talloc_new(ldb);
4459 struct ldb_message *msg;
4462 msg = ldb_msg_new(tmp_ctx);
4464 talloc_free(tmp_ctx);
4465 return ldb_oom(ldb);
4469 ret = ldb_msg_add_string(msg, "objectClass", "top");
4470 if (ret != LDB_SUCCESS) {
4471 talloc_free(tmp_ctx);
4472 return ldb_oom(ldb);
4475 /* [MS-DRSR] implies that we should only add the 'top'
4476 * objectclass, but that would cause lots of problems with our
4477 * objectclass code as top is not structural, so we add
4478 * 'domainDNS' as well to keep things sane. We're expecting
4479 * this new NC to be of objectclass domainDNS after
4480 * replication anyway
4482 ret = ldb_msg_add_string(msg, "objectClass", "domainDNS");
4483 if (ret != LDB_SUCCESS) {
4484 talloc_free(tmp_ctx);
4485 return ldb_oom(ldb);
4488 ret = ldb_msg_add_fmt(msg, "instanceType", "%u",
4489 INSTANCE_TYPE_IS_NC_HEAD|
4490 INSTANCE_TYPE_NC_ABOVE|
4491 INSTANCE_TYPE_UNINSTANT);
4492 if (ret != LDB_SUCCESS) {
4493 talloc_free(tmp_ctx);
4494 return ldb_oom(ldb);
4497 ret = dsdb_add(ldb, msg, DSDB_MODIFY_PARTIAL_REPLICA);
4498 if (ret != LDB_SUCCESS && ret != LDB_ERR_ENTRY_ALREADY_EXISTS) {
4499 DEBUG(0,("Failed to create new NC for %s - %s (%s)\n",
4500 ldb_dn_get_linearized(dn),
4501 ldb_errstring(ldb), ldb_strerror(ret)));
4502 talloc_free(tmp_ctx);
4506 DEBUG(1,("Created new NC for %s\n", ldb_dn_get_linearized(dn)));
4508 talloc_free(tmp_ctx);