2 Unix SMB/CIFS implementation.
4 interface functions for the sam database
6 Copyright (C) Andrew Tridgell 2004
7 Copyright (C) Volker Lendecke 2004
8 Copyright (C) Andrew Bartlett <abartlet@samba.org> 2006
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 2 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, write to the Free Software
22 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 #include "librpc/gen_ndr/ndr_netlogon.h"
27 #include "librpc/gen_ndr/ndr_misc.h"
28 #include "librpc/gen_ndr/ndr_security.h"
29 #include "lib/ldb/include/ldb.h"
30 #include "lib/ldb/include/ldb_errors.h"
31 #include "libcli/security/security.h"
32 #include "libcli/auth/libcli_auth.h"
33 #include "libcli/ldap/ldap.h"
34 #include "system/time.h"
35 #include "system/filesys.h"
37 #include "dsdb/samdb/samdb.h"
38 #include "dsdb/common/flags.h"
41 connect to the SAM database
42 return an opaque context pointer on success, or NULL on failure
44 struct ldb_context *samdb_connect(TALLOC_CTX *mem_ctx,
45 struct auth_session_info *session_info)
47 struct ldb_context *ldb;
48 ldb = ldb_wrap_connect(mem_ctx, lp_sam_url(), session_info,
57 search the sam for the specified attributes in a specific domain, filter on
58 objectSid being in domain_sid.
60 int samdb_search_domain(struct ldb_context *sam_ldb,
62 struct ldb_dn *basedn,
63 struct ldb_message ***res,
64 const char * const *attrs,
65 const struct dom_sid *domain_sid,
66 const char *format, ...) _PRINTF_ATTRIBUTE(7,8)
72 count = gendb_search_v(sam_ldb, mem_ctx, basedn,
73 res, attrs, format, ap);
79 struct dom_sid *entry_sid;
81 entry_sid = samdb_result_dom_sid(mem_ctx, (*res)[i], "objectSid");
83 if ((entry_sid == NULL) ||
84 (!dom_sid_in_domain(domain_sid, entry_sid))) {
85 /* Delete that entry from the result set */
86 (*res)[i] = (*res)[count-1];
88 talloc_free(entry_sid);
91 talloc_free(entry_sid);
99 search the sam for a single string attribute in exactly 1 record
101 const char *samdb_search_string_v(struct ldb_context *sam_ldb,
103 struct ldb_dn *basedn,
104 const char *attr_name,
105 const char *format, va_list ap) _PRINTF_ATTRIBUTE(5,0)
108 const char *attrs[2] = { NULL, NULL };
109 struct ldb_message **res = NULL;
111 attrs[0] = attr_name;
113 count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, attrs, format, ap);
115 DEBUG(1,("samdb: search for %s %s not single valued (count=%d)\n",
116 attr_name, format, count));
123 return samdb_result_string(res[0], attr_name, NULL);
128 search the sam for a single string attribute in exactly 1 record
130 const char *samdb_search_string(struct ldb_context *sam_ldb,
132 struct ldb_dn *basedn,
133 const char *attr_name,
134 const char *format, ...) _PRINTF_ATTRIBUTE(5,6)
139 va_start(ap, format);
140 str = samdb_search_string_v(sam_ldb, mem_ctx, basedn, attr_name, format, ap);
146 struct ldb_dn *samdb_search_dn(struct ldb_context *sam_ldb,
148 struct ldb_dn *basedn,
149 const char *format, ...) _PRINTF_ATTRIBUTE(4,5)
153 struct ldb_message **res = NULL;
156 va_start(ap, format);
157 count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, NULL, format, ap);
160 if (count != 1) return NULL;
162 ret = talloc_steal(mem_ctx, res[0]->dn);
169 search the sam for a dom_sid attribute in exactly 1 record
171 struct dom_sid *samdb_search_dom_sid(struct ldb_context *sam_ldb,
173 struct ldb_dn *basedn,
174 const char *attr_name,
175 const char *format, ...) _PRINTF_ATTRIBUTE(5,6)
179 struct ldb_message **res;
180 const char *attrs[2] = { NULL, NULL };
183 attrs[0] = attr_name;
185 va_start(ap, format);
186 count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, attrs, format, ap);
189 DEBUG(1,("samdb: search for %s %s not single valued (count=%d)\n",
190 attr_name, format, count));
196 sid = samdb_result_dom_sid(mem_ctx, res[0], attr_name);
202 return the count of the number of records in the sam matching the query
204 int samdb_search_count(struct ldb_context *sam_ldb,
206 struct ldb_dn *basedn,
207 const char *format, ...) _PRINTF_ATTRIBUTE(4,5)
210 struct ldb_message **res;
211 const char * const attrs[] = { NULL };
214 va_start(ap, format);
215 ret = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, attrs, format, ap);
223 search the sam for a single integer attribute in exactly 1 record
225 uint_t samdb_search_uint(struct ldb_context *sam_ldb,
227 uint_t default_value,
228 struct ldb_dn *basedn,
229 const char *attr_name,
230 const char *format, ...) _PRINTF_ATTRIBUTE(6,7)
234 struct ldb_message **res;
235 const char *attrs[2] = { NULL, NULL };
237 attrs[0] = attr_name;
239 va_start(ap, format);
240 count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, attrs, format, ap);
244 return default_value;
247 return samdb_result_uint(res[0], attr_name, default_value);
251 search the sam for a single signed 64 bit integer attribute in exactly 1 record
253 int64_t samdb_search_int64(struct ldb_context *sam_ldb,
255 int64_t default_value,
256 struct ldb_dn *basedn,
257 const char *attr_name,
258 const char *format, ...) _PRINTF_ATTRIBUTE(6,7)
262 struct ldb_message **res;
263 const char *attrs[2] = { NULL, NULL };
265 attrs[0] = attr_name;
267 va_start(ap, format);
268 count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, attrs, format, ap);
272 return default_value;
275 return samdb_result_int64(res[0], attr_name, default_value);
279 search the sam for multipe records each giving a single string attribute
280 return the number of matches, or -1 on error
282 int samdb_search_string_multiple(struct ldb_context *sam_ldb,
284 struct ldb_dn *basedn,
286 const char *attr_name,
287 const char *format, ...) _PRINTF_ATTRIBUTE(6,7)
291 const char *attrs[2] = { NULL, NULL };
292 struct ldb_message **res = NULL;
294 attrs[0] = attr_name;
296 va_start(ap, format);
297 count = gendb_search_v(sam_ldb, mem_ctx, basedn, &res, attrs, format, ap);
304 /* make sure its single valued */
305 for (i=0;i<count;i++) {
306 if (res[i]->num_elements != 1) {
307 DEBUG(1,("samdb: search for %s %s not single valued\n",
314 *strs = talloc_array(mem_ctx, const char *, count+1);
320 for (i=0;i<count;i++) {
321 (*strs)[i] = samdb_result_string(res[i], attr_name, NULL);
323 (*strs)[count] = NULL;
329 pull a uint from a result set.
331 uint_t samdb_result_uint(const struct ldb_message *msg, const char *attr, uint_t default_value)
333 return ldb_msg_find_attr_as_uint(msg, attr, default_value);
337 pull a (signed) int64 from a result set.
339 int64_t samdb_result_int64(const struct ldb_message *msg, const char *attr, int64_t default_value)
341 return ldb_msg_find_attr_as_int64(msg, attr, default_value);
345 pull a string from a result set.
347 const char *samdb_result_string(const struct ldb_message *msg, const char *attr,
348 const char *default_value)
350 return ldb_msg_find_attr_as_string(msg, attr, default_value);
353 struct ldb_dn *samdb_result_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
354 const char *attr, struct ldb_dn *default_value)
356 struct ldb_dn *ret_dn = ldb_msg_find_attr_as_dn(ldb, mem_ctx, msg, attr);
358 return default_value;
364 pull a rid from a objectSid in a result set.
366 uint32_t samdb_result_rid_from_sid(TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
367 const char *attr, uint32_t default_value)
372 sid = samdb_result_dom_sid(mem_ctx, msg, attr);
374 return default_value;
376 rid = sid->sub_auths[sid->num_auths-1];
382 pull a dom_sid structure from a objectSid in a result set.
384 struct dom_sid *samdb_result_dom_sid(TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
387 const struct ldb_val *v;
390 v = ldb_msg_find_ldb_val(msg, attr);
394 sid = talloc(mem_ctx, struct dom_sid);
398 status = ndr_pull_struct_blob(v, sid, sid,
399 (ndr_pull_flags_fn_t)ndr_pull_dom_sid);
400 if (!NT_STATUS_IS_OK(status)) {
408 pull a guid structure from a objectGUID in a result set.
410 struct GUID samdb_result_guid(const struct ldb_message *msg, const char *attr)
412 const struct ldb_val *v;
419 v = ldb_msg_find_ldb_val(msg, attr);
422 mem_ctx = talloc_named_const(NULL, 0, "samdb_result_guid");
423 if (!mem_ctx) return guid;
424 status = ndr_pull_struct_blob(v, mem_ctx, &guid,
425 (ndr_pull_flags_fn_t)ndr_pull_GUID);
426 talloc_free(mem_ctx);
427 if (!NT_STATUS_IS_OK(status)) {
435 pull a sid prefix from a objectSid in a result set.
436 this is used to find the domain sid for a user
438 struct dom_sid *samdb_result_sid_prefix(TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
441 struct dom_sid *sid = samdb_result_dom_sid(mem_ctx, msg, attr);
442 if (!sid || sid->num_auths < 1) return NULL;
448 pull a NTTIME in a result set.
450 NTTIME samdb_result_nttime(struct ldb_message *msg, const char *attr, NTTIME default_value)
452 const char *str = ldb_msg_find_attr_as_string(msg, attr, NULL);
453 if (!str) return default_value;
454 return nttime_from_string(str);
458 pull a uint64_t from a result set.
460 uint64_t samdb_result_uint64(struct ldb_message *msg, const char *attr, uint64_t default_value)
462 return ldb_msg_find_attr_as_uint64(msg, attr, default_value);
467 construct the allow_password_change field from the PwdLastSet attribute and the
468 domain password settings
470 NTTIME samdb_result_allow_password_change(struct ldb_context *sam_ldb,
472 struct ldb_dn *domain_dn,
473 struct ldb_message *msg,
476 uint64_t attr_time = samdb_result_uint64(msg, attr, 0);
479 if (attr_time == 0) {
483 minPwdAge = samdb_search_int64(sam_ldb, mem_ctx, 0, domain_dn, "minPwdAge", NULL);
485 /* yes, this is a -= not a += as minPwdAge is stored as the negative
486 of the number of 100-nano-seconds */
487 attr_time -= minPwdAge;
493 construct the force_password_change field from the PwdLastSet attribute and the
494 domain password settings
496 NTTIME samdb_result_force_password_change(struct ldb_context *sam_ldb,
498 struct ldb_dn *domain_dn,
499 struct ldb_message *msg)
501 uint64_t attr_time = samdb_result_uint64(msg, "pwdLastSet", 0);
502 uint32_t user_flags = samdb_result_uint64(msg, "userAccountControl", 0);
505 if (user_flags & UF_DONT_EXPIRE_PASSWD) {
506 return 0x7FFFFFFFFFFFFFFFULL;
509 if (attr_time == 0) {
513 maxPwdAge = samdb_search_int64(sam_ldb, mem_ctx, 0, domain_dn, "maxPwdAge", NULL);
514 if (maxPwdAge == 0) {
517 attr_time -= maxPwdAge;
524 pull a samr_Password structutre from a result set.
526 struct samr_Password *samdb_result_hash(TALLOC_CTX *mem_ctx, struct ldb_message *msg, const char *attr)
528 struct samr_Password *hash = NULL;
529 const struct ldb_val *val = ldb_msg_find_ldb_val(msg, attr);
530 if (val && (val->length >= sizeof(hash->hash))) {
531 hash = talloc(mem_ctx, struct samr_Password);
532 memcpy(hash->hash, val->data, MIN(val->length, sizeof(hash->hash)));
538 pull an array of samr_Password structutres from a result set.
540 uint_t samdb_result_hashes(TALLOC_CTX *mem_ctx, struct ldb_message *msg,
541 const char *attr, struct samr_Password **hashes)
544 const struct ldb_val *val = ldb_msg_find_ldb_val(msg, attr);
551 count = val->length / 16;
556 *hashes = talloc_array(mem_ctx, struct samr_Password, count);
561 for (i=0;i<count;i++) {
562 memcpy((*hashes)[i].hash, (i*16)+(char *)val->data, 16);
568 NTSTATUS samdb_result_passwords(TALLOC_CTX *mem_ctx, struct ldb_message *msg,
569 struct samr_Password **lm_pwd, struct samr_Password **nt_pwd)
571 struct samr_Password *lmPwdHash, *ntPwdHash;
574 num_nt = samdb_result_hashes(mem_ctx, msg, "unicodePwd", &ntPwdHash);
577 } else if (num_nt > 1) {
578 return NT_STATUS_INTERNAL_DB_CORRUPTION;
580 *nt_pwd = &ntPwdHash[0];
585 num_lm = samdb_result_hashes(mem_ctx, msg, "dBCSPwd", &lmPwdHash);
588 } else if (num_lm > 1) {
589 return NT_STATUS_INTERNAL_DB_CORRUPTION;
591 *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 const int units_per_week = 168;
604 const struct ldb_val *val = ldb_msg_find_ldb_val(msg, attr);
606 hours.bits = talloc_array(mem_ctx, uint8_t, units_per_week);
610 hours.units_per_week = units_per_week;
611 memset(hours.bits, 0xFF, units_per_week);
613 memcpy(hours.bits, val->data, MIN(val->length, units_per_week));
619 pull a set of account_flags from a result set.
621 uint16_t samdb_result_acct_flags(struct ldb_message *msg, const char *attr)
623 uint_t userAccountControl = ldb_msg_find_attr_as_uint(msg, attr, 0);
624 return samdb_uf2acb(userAccountControl);
628 /* Find an attribute, with a particular value */
630 /* The current callers of this function expect a very specific
631 * behaviour: In particular, objectClass subclass equivilance is not
632 * wanted. This means that we should not lookup the schema for the
633 * comparison function */
634 struct ldb_message_element *samdb_find_attribute(struct ldb_context *ldb,
635 const struct ldb_message *msg,
636 const char *name, const char *value)
639 struct ldb_message_element *el = ldb_msg_find_element(msg, name);
642 v.data = discard_const_p(uint8_t, value);
643 v.length = strlen(value);
649 for (i=0;i<el->num_values;i++) {
650 if (strcasecmp(value, (char *)el->values[i].data) == 0) {
658 int samdb_find_or_add_value(struct ldb_context *ldb, struct ldb_message *msg, const char *name, const char *set_value)
660 if (samdb_find_attribute(ldb, msg, name, set_value) == NULL) {
661 return samdb_msg_add_string(ldb, msg, msg, name, set_value);
666 int samdb_find_or_add_attribute(struct ldb_context *ldb, struct ldb_message *msg, const char *name, const char *set_value)
668 struct ldb_message_element *el;
670 el = ldb_msg_find_element(msg, name);
675 return samdb_msg_add_string(ldb, msg, msg, name, set_value);
680 copy from a template record to a message
682 int samdb_copy_template(struct ldb_context *ldb,
683 struct ldb_message *msg, const char *filter,
684 const char **errstring)
686 struct ldb_result *res;
687 struct ldb_message *t;
689 struct ldb_dn *basedn = ldb_dn_new(ldb, ldb, "cn=Templates");
693 /* pull the template record */
694 ret = ldb_search(ldb, basedn, LDB_SCOPE_SUBTREE, filter, NULL, &res);
696 if (ret != LDB_SUCCESS) {
697 *errstring = talloc_steal(msg, ldb_errstring(ldb));
700 if (res->count != 1) {
701 *errstring = talloc_asprintf(msg, "samdb_copy_template: ERROR: template '%s' matched %d records, expected 1\n", filter,
704 return LDB_ERR_OPERATIONS_ERROR;
708 for (i = 0; i < t->num_elements; i++) {
709 struct ldb_message_element *el = &t->elements[i];
710 /* some elements should not be copied from the template */
711 if (strcasecmp(el->name, "cn") == 0 ||
712 strcasecmp(el->name, "name") == 0 ||
713 strcasecmp(el->name, "sAMAccountName") == 0 ||
714 strcasecmp(el->name, "sAMAccountName") == 0 ||
715 strcasecmp(el->name, "distinguishedName") == 0 ||
716 strcasecmp(el->name, "objectGUID") == 0) {
719 for (j = 0; j < el->num_values; j++) {
720 if (strcasecmp(el->name, "objectClass") == 0) {
721 if (strcasecmp((char *)el->values[j].data, "Template") == 0 ||
722 strcasecmp((char *)el->values[j].data, "userTemplate") == 0 ||
723 strcasecmp((char *)el->values[j].data, "groupTemplate") == 0 ||
724 strcasecmp((char *)el->values[j].data, "foreignSecurityPrincipalTemplate") == 0 ||
725 strcasecmp((char *)el->values[j].data, "aliasTemplate") == 0 ||
726 strcasecmp((char *)el->values[j].data, "trustedDomainTemplate") == 0 ||
727 strcasecmp((char *)el->values[j].data, "secretTemplate") == 0) {
730 ret = samdb_find_or_add_value(ldb, msg, el->name,
731 (char *)el->values[j].data);
733 *errstring = talloc_asprintf(msg, "Adding objectClass %s failed.\n", el->values[j].data);
738 ret = samdb_find_or_add_attribute(ldb, msg, el->name,
739 (char *)el->values[j].data);
741 *errstring = talloc_asprintf(msg, "Adding attribute %s failed.\n", el->name);
756 add a string element to a message
758 int samdb_msg_add_string(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
759 const char *attr_name, const char *str)
761 char *s = talloc_strdup(mem_ctx, str);
762 char *a = talloc_strdup(mem_ctx, attr_name);
763 if (s == NULL || a == NULL) {
764 return LDB_ERR_OPERATIONS_ERROR;
766 return ldb_msg_add_string(msg, a, s);
770 add a dom_sid element to a message
772 int samdb_msg_add_dom_sid(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
773 const char *attr_name, struct dom_sid *sid)
777 status = ndr_push_struct_blob(&v, mem_ctx, sid,
778 (ndr_push_flags_fn_t)ndr_push_dom_sid);
779 if (!NT_STATUS_IS_OK(status)) {
782 return ldb_msg_add_value(msg, attr_name, &v, NULL);
787 add a delete element operation to a message
789 int samdb_msg_add_delete(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
790 const char *attr_name)
792 /* we use an empty replace rather than a delete, as it allows for
793 samdb_replace() to be used everywhere */
794 return ldb_msg_add_empty(msg, attr_name, LDB_FLAG_MOD_REPLACE, NULL);
798 add a add attribute value to a message
800 int samdb_msg_add_addval(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
801 const char *attr_name, const char *value)
803 struct ldb_message_element *el;
806 a = talloc_strdup(mem_ctx, attr_name);
809 v = talloc_strdup(mem_ctx, value);
812 ret = ldb_msg_add_string(msg, a, v);
815 el = ldb_msg_find_element(msg, a);
818 el->flags = LDB_FLAG_MOD_ADD;
823 add a delete attribute value to a message
825 int samdb_msg_add_delval(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
826 const char *attr_name, const char *value)
828 struct ldb_message_element *el;
831 a = talloc_strdup(mem_ctx, attr_name);
834 v = talloc_strdup(mem_ctx, value);
837 ret = ldb_msg_add_string(msg, a, v);
840 el = ldb_msg_find_element(msg, a);
843 el->flags = LDB_FLAG_MOD_DELETE;
848 add a int element to a message
850 int samdb_msg_add_int(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
851 const char *attr_name, int v)
853 const char *s = talloc_asprintf(mem_ctx, "%d", v);
854 return samdb_msg_add_string(sam_ldb, mem_ctx, msg, attr_name, s);
858 add a uint_t element to a message
860 int samdb_msg_add_uint(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
861 const char *attr_name, uint_t v)
863 const char *s = talloc_asprintf(mem_ctx, "%u", v);
864 return samdb_msg_add_string(sam_ldb, mem_ctx, msg, attr_name, s);
868 add a (signed) int64_t element to a message
870 int samdb_msg_add_int64(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
871 const char *attr_name, int64_t v)
873 const char *s = talloc_asprintf(mem_ctx, "%lld", (long long)v);
874 return samdb_msg_add_string(sam_ldb, mem_ctx, msg, attr_name, s);
878 add a uint64_t element to a message
880 int samdb_msg_add_uint64(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
881 const char *attr_name, uint64_t v)
883 const char *s = talloc_asprintf(mem_ctx, "%llu", (unsigned long long)v);
884 return samdb_msg_add_string(sam_ldb, mem_ctx, msg, attr_name, s);
888 add a samr_Password element to a message
890 int samdb_msg_add_hash(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
891 const char *attr_name, struct samr_Password *hash)
894 val.data = talloc_memdup(mem_ctx, hash->hash, 16);
899 return ldb_msg_add_value(msg, attr_name, &val, NULL);
903 add a samr_Password array to a message
905 int samdb_msg_add_hashes(TALLOC_CTX *mem_ctx, struct ldb_message *msg,
906 const char *attr_name, struct samr_Password *hashes, uint_t count)
910 val.data = talloc_array_size(mem_ctx, 16, count);
911 val.length = count*16;
915 for (i=0;i<count;i++) {
916 memcpy(i*16 + (char *)val.data, hashes[i].hash, 16);
918 return ldb_msg_add_value(msg, attr_name, &val, NULL);
922 add a acct_flags element to a message
924 int samdb_msg_add_acct_flags(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
925 const char *attr_name, uint32_t v)
927 return samdb_msg_add_uint(sam_ldb, mem_ctx, msg, attr_name, samdb_acb2uf(v));
931 add a logon_hours element to a message
933 int samdb_msg_add_logon_hours(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
934 const char *attr_name, struct samr_LogonHours *hours)
937 val.length = hours->units_per_week / 8;
938 val.data = hours->bits;
939 return ldb_msg_add_value(msg, attr_name, &val, NULL);
943 add a general value element to a message
945 int samdb_msg_add_value(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
946 const char *attr_name, const struct ldb_val *val)
948 return ldb_msg_add_value(msg, attr_name, val, NULL);
952 sets a general value element to a message
954 int samdb_msg_set_value(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
955 const char *attr_name, const struct ldb_val *val)
957 struct ldb_message_element *el;
959 el = ldb_msg_find_element(msg, attr_name);
963 return ldb_msg_add_value(msg, attr_name, val, NULL);
967 set a string element in a message
969 int samdb_msg_set_string(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
970 const char *attr_name, const char *str)
972 struct ldb_message_element *el;
974 el = ldb_msg_find_element(msg, attr_name);
978 return samdb_msg_add_string(sam_ldb, mem_ctx, msg, attr_name, str);
984 int samdb_add(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg)
986 return ldb_add(sam_ldb, msg);
992 int samdb_delete(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_dn *dn)
994 return ldb_delete(sam_ldb, dn);
1000 int samdb_modify(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg)
1002 return ldb_modify(sam_ldb, msg);
1006 replace elements in a record
1008 int samdb_replace(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg)
1012 /* mark all the message elements as LDB_FLAG_MOD_REPLACE */
1013 for (i=0;i<msg->num_elements;i++) {
1014 msg->elements[i].flags = LDB_FLAG_MOD_REPLACE;
1017 /* modify the samdb record */
1018 return samdb_modify(sam_ldb, mem_ctx, msg);
1022 return a default security descriptor
1024 struct security_descriptor *samdb_default_security_descriptor(TALLOC_CTX *mem_ctx)
1026 struct security_descriptor *sd;
1028 sd = security_descriptor_initialise(mem_ctx);
1033 struct ldb_dn *samdb_base_dn(struct ldb_context *sam_ctx)
1035 return ldb_get_default_basedn(sam_ctx);
1038 struct ldb_dn *samdb_config_dn(struct ldb_context *sam_ctx)
1040 return ldb_get_config_basedn(sam_ctx);
1043 struct ldb_dn *samdb_schema_dn(struct ldb_context *sam_ctx)
1045 return ldb_get_schema_basedn(sam_ctx);
1048 struct ldb_dn *samdb_root_dn(struct ldb_context *sam_ctx)
1050 return ldb_get_root_basedn(sam_ctx);
1053 struct ldb_dn *samdb_partitions_dn(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx)
1055 struct ldb_dn *new_dn;
1057 new_dn = ldb_dn_copy(mem_ctx, samdb_config_dn(sam_ctx));
1058 if ( ! ldb_dn_add_child_fmt(new_dn, "CN=Partitions")) {
1059 talloc_free(new_dn);
1065 struct ldb_dn *samdb_sites_dn(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx)
1067 struct ldb_dn *new_dn;
1069 new_dn = ldb_dn_copy(mem_ctx, samdb_config_dn(sam_ctx));
1070 if ( ! ldb_dn_add_child_fmt(new_dn, "CN=Sites")) {
1071 talloc_free(new_dn);
1078 work out the domain sid for the current open ldb
1080 const struct dom_sid *samdb_domain_sid(struct ldb_context *ldb)
1082 TALLOC_CTX *tmp_ctx;
1083 struct dom_sid *domain_sid;
1085 /* see if we have a cached copy */
1086 domain_sid = ldb_get_opaque(ldb, "cache.domain_sid");
1091 tmp_ctx = talloc_new(ldb);
1092 if (tmp_ctx == NULL) {
1096 /* find the domain_sid */
1097 domain_sid = samdb_search_dom_sid(ldb, tmp_ctx, ldb_get_default_basedn(ldb),
1098 "objectSid", "objectClass=domainDNS");
1099 if (domain_sid == NULL) {
1103 /* cache the domain_sid in the ldb */
1104 if (ldb_set_opaque(ldb, "cache.domain_sid", domain_sid) != LDB_SUCCESS) {
1108 talloc_steal(ldb, domain_sid);
1109 talloc_free(tmp_ctx);
1114 DEBUG(1,("Failed to find domain_sid for open ldb\n"));
1115 talloc_free(tmp_ctx);
1119 /* Obtain the short name of the flexible single master operator
1120 * (FSMO), such as the PDC Emulator */
1121 const char *samdb_result_fsmo_name(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
1124 /* Format is cn=NTDS Settings,cn=<NETBIOS name of FSMO>,.... */
1125 struct ldb_dn *fsmo_dn = ldb_msg_find_attr_as_dn(ldb, mem_ctx, msg, attr);
1126 const struct ldb_val *val = ldb_dn_get_component_val(fsmo_dn, 1);
1127 const char *name = ldb_dn_get_component_name(fsmo_dn, 1);
1129 if (!name || (ldb_attr_cmp(name, "cn") != 0)) {
1130 /* Ensure this matches the format. This gives us a
1131 * bit more confidence that a 'cn' value will be a
1136 return (char *)val->data;
1142 work out the ntds settings dn for the current open ldb
1144 struct ldb_dn *samdb_ntds_settings_dn(struct ldb_context *ldb)
1146 TALLOC_CTX *tmp_ctx;
1147 const char *root_attrs[] = { "dsServiceName", NULL };
1149 struct ldb_result *root_res;
1150 struct ldb_dn *settings_dn;
1152 /* see if we have a cached copy */
1153 settings_dn = ldb_get_opaque(ldb, "cache.settings_dn");
1158 tmp_ctx = talloc_new(ldb);
1159 if (tmp_ctx == NULL) {
1164 ret = ldb_search(ldb, ldb_dn_new(tmp_ctx, ldb, ""), LDB_SCOPE_BASE, NULL, root_attrs, &root_res);
1168 talloc_steal(tmp_ctx, root_res);
1170 if (root_res->count != 1) {
1174 settings_dn = ldb_msg_find_attr_as_dn(ldb, tmp_ctx, root_res->msgs[0], "dsServiceName");
1176 /* cache the domain_sid in the ldb */
1177 if (ldb_set_opaque(ldb, "cache.settings_dn", settings_dn) != LDB_SUCCESS) {
1181 talloc_steal(ldb, settings_dn);
1182 talloc_free(tmp_ctx);
1187 DEBUG(1,("Failed to find our own NTDS Settings DN in the ldb!\n"));
1188 talloc_free(tmp_ctx);
1193 work out the ntds settings invocationId for the current open ldb
1195 const struct GUID *samdb_ntds_invocation_id(struct ldb_context *ldb)
1197 TALLOC_CTX *tmp_ctx;
1198 const char *attrs[] = { "invocationId", NULL };
1200 struct ldb_result *res;
1201 struct GUID *invocation_id;
1203 /* see if we have a cached copy */
1204 invocation_id = ldb_get_opaque(ldb, "cache.invocation_id");
1205 if (invocation_id) {
1206 return invocation_id;
1209 tmp_ctx = talloc_new(ldb);
1210 if (tmp_ctx == NULL) {
1214 ret = ldb_search(ldb, samdb_ntds_settings_dn(ldb), LDB_SCOPE_BASE, NULL, attrs, &res);
1218 talloc_steal(tmp_ctx, res);
1220 if (res->count != 1) {
1224 invocation_id = talloc(tmp_ctx, struct GUID);
1225 if (!invocation_id) {
1229 *invocation_id = samdb_result_guid(res->msgs[0], "invocationId");
1231 /* cache the domain_sid in the ldb */
1232 if (ldb_set_opaque(ldb, "cache.invocation_id", invocation_id) != LDB_SUCCESS) {
1236 talloc_steal(ldb, invocation_id);
1237 talloc_free(tmp_ctx);
1239 return invocation_id;
1242 DEBUG(1,("Failed to find our own NTDS Settings invocationId in the ldb!\n"));
1243 talloc_free(tmp_ctx);
1247 bool samdb_set_ntds_invocation_id(struct ldb_context *ldb, const struct GUID *invocation_id_in)
1249 TALLOC_CTX *tmp_ctx;
1250 struct GUID *invocation_id_new;
1251 struct GUID *invocation_id_old;
1253 /* see if we have a cached copy */
1254 invocation_id_old = ldb_get_opaque(ldb, "cache.invocation_id");
1256 tmp_ctx = talloc_new(ldb);
1257 if (tmp_ctx == NULL) {
1261 invocation_id_new = talloc(tmp_ctx, struct GUID);
1262 if (!invocation_id_new) {
1266 *invocation_id_new = *invocation_id_in;
1268 /* cache the domain_sid in the ldb */
1269 if (ldb_set_opaque(ldb, "cache.invocation_id", invocation_id_new) != LDB_SUCCESS) {
1273 talloc_steal(ldb, invocation_id_new);
1274 talloc_free(tmp_ctx);
1275 talloc_free(invocation_id_old);
1280 DEBUG(1,("Failed to set our own cached invocationId in the ldb!\n"));
1281 talloc_free(tmp_ctx);
1286 work out the ntds settings objectGUID for the current open ldb
1288 const struct GUID *samdb_ntds_objectGUID(struct ldb_context *ldb)
1290 TALLOC_CTX *tmp_ctx;
1291 const char *attrs[] = { "objectGUID", NULL };
1293 struct ldb_result *res;
1294 struct GUID *ntds_guid;
1296 /* see if we have a cached copy */
1297 ntds_guid = ldb_get_opaque(ldb, "cache.ntds_guid");
1302 tmp_ctx = talloc_new(ldb);
1303 if (tmp_ctx == NULL) {
1307 ret = ldb_search(ldb, samdb_ntds_settings_dn(ldb), LDB_SCOPE_BASE, NULL, attrs, &res);
1311 talloc_steal(tmp_ctx, res);
1313 if (res->count != 1) {
1317 ntds_guid = talloc(tmp_ctx, struct GUID);
1322 *ntds_guid = samdb_result_guid(res->msgs[0], "objectGUID");
1324 /* cache the domain_sid in the ldb */
1325 if (ldb_set_opaque(ldb, "cache.ntds_guid", ntds_guid) != LDB_SUCCESS) {
1329 talloc_steal(ldb, ntds_guid);
1330 talloc_free(tmp_ctx);
1335 DEBUG(1,("Failed to find our own NTDS Settings objectGUID in the ldb!\n"));
1336 talloc_free(tmp_ctx);
1340 bool samdb_set_ntds_objectGUID(struct ldb_context *ldb, const struct GUID *ntds_guid_in)
1342 TALLOC_CTX *tmp_ctx;
1343 struct GUID *ntds_guid_new;
1344 struct GUID *ntds_guid_old;
1346 /* see if we have a cached copy */
1347 ntds_guid_old = ldb_get_opaque(ldb, "cache.ntds_guid");
1349 tmp_ctx = talloc_new(ldb);
1350 if (tmp_ctx == NULL) {
1354 ntds_guid_new = talloc(tmp_ctx, struct GUID);
1355 if (!ntds_guid_new) {
1359 *ntds_guid_new = *ntds_guid_in;
1361 /* cache the domain_sid in the ldb */
1362 if (ldb_set_opaque(ldb, "cache.ntds_guid", ntds_guid_new) != LDB_SUCCESS) {
1366 talloc_steal(ldb, ntds_guid_new);
1367 talloc_free(tmp_ctx);
1368 talloc_free(ntds_guid_old);
1373 DEBUG(1,("Failed to set our own cached invocationId in the ldb!\n"));
1374 talloc_free(tmp_ctx);
1379 work out the server dn for the current open ldb
1381 struct ldb_dn *samdb_server_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
1383 return ldb_dn_get_parent(mem_ctx, samdb_ntds_settings_dn(ldb));
1387 work out if we are the PDC for the domain of the current open ldb
1389 BOOL samdb_is_pdc(struct ldb_context *ldb)
1391 const char *dom_attrs[] = { "fSMORoleOwner", NULL };
1393 struct ldb_result *dom_res;
1394 TALLOC_CTX *tmp_ctx;
1398 tmp_ctx = talloc_new(ldb);
1399 if (tmp_ctx == NULL) {
1403 ret = ldb_search(ldb, ldb_get_default_basedn(ldb), LDB_SCOPE_BASE, NULL, dom_attrs, &dom_res);
1407 talloc_steal(tmp_ctx, dom_res);
1408 if (dom_res->count != 1) {
1412 pdc = ldb_msg_find_attr_as_dn(ldb, tmp_ctx, dom_res->msgs[0], "fSMORoleOwner");
1414 if (ldb_dn_compare(samdb_ntds_settings_dn(ldb), pdc) == 0) {
1420 talloc_free(tmp_ctx);
1425 DEBUG(1,("Failed to find if we are the PDC for this ldb\n"));
1426 talloc_free(tmp_ctx);
1431 /* Find a domain object in the parents of a particular DN. */
1432 struct ldb_dn *samdb_search_for_parent_domain(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct ldb_dn *dn)
1434 TALLOC_CTX *local_ctx;
1435 struct ldb_dn *sdn = dn;
1436 struct ldb_result *res = NULL;
1438 const char *attrs[] = { NULL };
1440 local_ctx = talloc_new(mem_ctx);
1441 if (local_ctx == NULL) return NULL;
1443 while ((sdn = ldb_dn_get_parent(local_ctx, sdn))) {
1444 ret = ldb_search(ldb, sdn, LDB_SCOPE_BASE,
1445 "(|(objectClass=domain)(objectClass=builtinDomain))", attrs, &res);
1446 if (ret == LDB_SUCCESS) {
1447 talloc_steal(local_ctx, res);
1448 if (res->count == 1) {
1454 if (ret != LDB_SUCCESS || res->count != 1) {
1455 talloc_free(local_ctx);
1459 talloc_steal(mem_ctx, sdn);
1460 talloc_free(local_ctx);
1466 check that a password is sufficiently complex
1468 static BOOL samdb_password_complexity_ok(const char *pass)
1470 return check_password_quality(pass);
1476 set the user password using plaintext, obeying any user or domain
1477 password restrictions
1479 note that this function doesn't actually store the result in the
1480 database, it just fills in the "mod" structure with ldb modify
1481 elements to setup the correct change when samdb_replace() is
1482 called. This allows the caller to combine the change with other
1483 changes (as is needed by some of the set user info levels)
1485 The caller should probably have a transaction wrapping this
1487 _PUBLIC_ NTSTATUS samdb_set_password(struct ldb_context *ctx, TALLOC_CTX *mem_ctx,
1488 struct ldb_dn *user_dn,
1489 struct ldb_dn *domain_dn,
1490 struct ldb_message *mod,
1491 const char *new_pass,
1492 struct samr_Password *lmNewHash,
1493 struct samr_Password *ntNewHash,
1496 enum samr_RejectReason *reject_reason,
1497 struct samr_DomInfo1 **_dominfo)
1499 const char * const user_attrs[] = { "userAccountControl", "lmPwdHistory",
1501 "dBCSPwd", "unicodePwd",
1503 "pwdLastSet", NULL };
1504 const char * const domain_attrs[] = { "pwdProperties", "pwdHistoryLength",
1505 "maxPwdAge", "minPwdAge",
1506 "minPwdLength", NULL };
1509 uint_t minPwdLength, pwdProperties, pwdHistoryLength;
1510 uint_t userAccountControl;
1511 struct samr_Password *sambaLMPwdHistory, *sambaNTPwdHistory, *lmPwdHash, *ntPwdHash;
1512 struct samr_Password local_lmNewHash, local_ntNewHash;
1513 int sambaLMPwdHistory_len, sambaNTPwdHistory_len;
1514 struct dom_sid *domain_sid;
1515 struct ldb_message **res;
1517 time_t now = time(NULL);
1521 /* we need to know the time to compute password age */
1522 unix_to_nt_time(&now_nt, now);
1524 /* pull all the user parameters */
1525 count = gendb_search_dn(ctx, mem_ctx, user_dn, &res, user_attrs);
1527 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1529 userAccountControl = samdb_result_uint(res[0], "userAccountControl", 0);
1530 sambaLMPwdHistory_len = samdb_result_hashes(mem_ctx, res[0],
1531 "lmPwdHistory", &sambaLMPwdHistory);
1532 sambaNTPwdHistory_len = samdb_result_hashes(mem_ctx, res[0],
1533 "ntPwdHistory", &sambaNTPwdHistory);
1534 lmPwdHash = samdb_result_hash(mem_ctx, res[0], "dBCSPwd");
1535 ntPwdHash = samdb_result_hash(mem_ctx, res[0], "unicodePwd");
1536 pwdLastSet = samdb_result_uint64(res[0], "pwdLastSet", 0);
1539 /* pull the domain parameters */
1540 count = gendb_search_dn(ctx, mem_ctx, domain_dn, &res, domain_attrs);
1542 DEBUG(2, ("samdb_set_password: Domain DN %s is invalid, for user %s\n",
1543 ldb_dn_get_linearized(domain_dn),
1544 ldb_dn_get_linearized(user_dn)));
1545 return NT_STATUS_NO_SUCH_DOMAIN;
1548 /* work out the domain sid, and pull the domain from there */
1549 domain_sid = samdb_result_sid_prefix(mem_ctx, res[0], "objectSid");
1550 if (domain_sid == NULL) {
1551 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1554 count = gendb_search(ctx, mem_ctx, NULL, &res, domain_attrs,
1556 ldap_encode_ndr_dom_sid(mem_ctx, domain_sid));
1558 DEBUG(2, ("samdb_set_password: Could not find domain to match SID: %s, for user %s\n",
1559 dom_sid_string(mem_ctx, domain_sid),
1560 ldb_dn_get_linearized(user_dn)));
1561 return NT_STATUS_NO_SUCH_DOMAIN;
1565 pwdProperties = samdb_result_uint(res[0], "pwdProperties", 0);
1566 pwdHistoryLength = samdb_result_uint(res[0], "pwdHistoryLength", 0);
1567 minPwdLength = samdb_result_uint(res[0], "minPwdLength", 0);
1568 minPwdAge = samdb_result_int64(res[0], "minPwdAge", 0);
1571 struct samr_DomInfo1 *dominfo;
1572 /* on failure we need to fill in the reject reasons */
1573 dominfo = talloc(mem_ctx, struct samr_DomInfo1);
1574 if (dominfo == NULL) {
1575 return NT_STATUS_NO_MEMORY;
1577 dominfo->min_password_length = minPwdLength;
1578 dominfo->password_properties = pwdProperties;
1579 dominfo->password_history_length = pwdHistoryLength;
1580 dominfo->max_password_age = minPwdAge;
1581 dominfo->min_password_age = minPwdAge;
1582 *_dominfo = dominfo;
1586 /* check the various password restrictions */
1587 if (restrictions && minPwdLength > strlen_m(new_pass)) {
1588 if (reject_reason) {
1589 *reject_reason = SAMR_REJECT_TOO_SHORT;
1591 return NT_STATUS_PASSWORD_RESTRICTION;
1594 /* possibly check password complexity */
1595 if (restrictions && pwdProperties & DOMAIN_PASSWORD_COMPLEX &&
1596 !samdb_password_complexity_ok(new_pass)) {
1597 if (reject_reason) {
1598 *reject_reason = SAMR_REJECT_COMPLEXITY;
1600 return NT_STATUS_PASSWORD_RESTRICTION;
1603 /* compute the new nt and lm hashes */
1604 if (E_deshash(new_pass, local_lmNewHash.hash)) {
1605 lmNewHash = &local_lmNewHash;
1607 if (!E_md4hash(new_pass, local_ntNewHash.hash)) {
1608 /* If we can't convert this password to UCS2, then we should not accept it */
1609 if (reject_reason) {
1610 *reject_reason = SAMR_REJECT_OTHER;
1612 return NT_STATUS_PASSWORD_RESTRICTION;
1614 ntNewHash = &local_ntNewHash;
1617 if (restrictions && user_change) {
1618 /* are all password changes disallowed? */
1619 if (pwdProperties & DOMAIN_REFUSE_PASSWORD_CHANGE) {
1620 if (reject_reason) {
1621 *reject_reason = SAMR_REJECT_OTHER;
1623 return NT_STATUS_PASSWORD_RESTRICTION;
1626 /* can this user change password? */
1627 if (userAccountControl & UF_PASSWD_CANT_CHANGE) {
1628 if (reject_reason) {
1629 *reject_reason = SAMR_REJECT_OTHER;
1631 return NT_STATUS_PASSWORD_RESTRICTION;
1634 /* yes, this is a minus. The ages are in negative 100nsec units! */
1635 if (pwdLastSet - minPwdAge > now_nt) {
1636 if (reject_reason) {
1637 *reject_reason = SAMR_REJECT_OTHER;
1639 return NT_STATUS_PASSWORD_RESTRICTION;
1642 /* check the immediately past password */
1643 if (pwdHistoryLength > 0) {
1644 if (lmNewHash && lmPwdHash && memcmp(lmNewHash->hash, lmPwdHash->hash, 16) == 0) {
1645 if (reject_reason) {
1646 *reject_reason = SAMR_REJECT_IN_HISTORY;
1648 return NT_STATUS_PASSWORD_RESTRICTION;
1650 if (ntNewHash && ntPwdHash && memcmp(ntNewHash->hash, ntPwdHash->hash, 16) == 0) {
1651 if (reject_reason) {
1652 *reject_reason = SAMR_REJECT_IN_HISTORY;
1654 return NT_STATUS_PASSWORD_RESTRICTION;
1658 /* check the password history */
1659 sambaLMPwdHistory_len = MIN(sambaLMPwdHistory_len, pwdHistoryLength);
1660 sambaNTPwdHistory_len = MIN(sambaNTPwdHistory_len, pwdHistoryLength);
1662 for (i=0; lmNewHash && i<sambaLMPwdHistory_len;i++) {
1663 if (memcmp(lmNewHash->hash, sambaLMPwdHistory[i].hash, 16) == 0) {
1664 if (reject_reason) {
1665 *reject_reason = SAMR_REJECT_IN_HISTORY;
1667 return NT_STATUS_PASSWORD_RESTRICTION;
1670 for (i=0; ntNewHash && i<sambaNTPwdHistory_len;i++) {
1671 if (memcmp(ntNewHash->hash, sambaNTPwdHistory[i].hash, 16) == 0) {
1672 if (reject_reason) {
1673 *reject_reason = SAMR_REJECT_IN_HISTORY;
1675 return NT_STATUS_PASSWORD_RESTRICTION;
1680 #define CHECK_RET(x) do { if (x != 0) return NT_STATUS_NO_MEMORY; } while(0)
1682 /* the password is acceptable. Start forming the new fields */
1684 /* if we know the cleartext, then only set it.
1685 * Modules in ldb will set all the appropriate
1687 CHECK_RET(samdb_msg_add_string(ctx, mem_ctx, mod,
1688 "sambaPassword", new_pass));
1690 /* We don't have the cleartext, so delete the old one
1691 * and set what we have of the hashes */
1692 CHECK_RET(samdb_msg_add_delete(ctx, mem_ctx, mod, "sambaPassword"));
1695 CHECK_RET(samdb_msg_add_hash(ctx, mem_ctx, mod, "dBCSPwd", lmNewHash));
1697 CHECK_RET(samdb_msg_add_delete(ctx, mem_ctx, mod, "dBCSPwd"));
1701 CHECK_RET(samdb_msg_add_hash(ctx, mem_ctx, mod, "unicodePwd", ntNewHash));
1703 CHECK_RET(samdb_msg_add_delete(ctx, mem_ctx, mod, "unicodePwd"));
1707 return NT_STATUS_OK;
1712 set the user password using plaintext, obeying any user or domain
1713 password restrictions
1715 This wrapper function takes a SID as input, rather than a user DN,
1716 and actually performs the password change
1719 _PUBLIC_ NTSTATUS samdb_set_password_sid(struct ldb_context *ctx, TALLOC_CTX *mem_ctx,
1720 const struct dom_sid *user_sid,
1721 const char *new_pass,
1722 struct samr_Password *lmNewHash,
1723 struct samr_Password *ntNewHash,
1726 enum samr_RejectReason *reject_reason,
1727 struct samr_DomInfo1 **_dominfo)
1730 struct ldb_dn *user_dn;
1731 struct ldb_message *msg;
1734 ret = ldb_transaction_start(ctx);
1736 DEBUG(1, ("Failed to start transaction: %s\n", ldb_errstring(ctx)));
1737 return NT_STATUS_TRANSACTION_ABORTED;
1740 user_dn = samdb_search_dn(ctx, mem_ctx, NULL,
1741 "(&(objectSid=%s)(objectClass=user))",
1742 ldap_encode_ndr_dom_sid(mem_ctx, user_sid));
1744 ldb_transaction_cancel(ctx);
1745 DEBUG(3, ("samdb_set_password_sid: SID %s not found in samdb, returning NO_SUCH_USER\n",
1746 dom_sid_string(mem_ctx, user_sid)));
1747 return NT_STATUS_NO_SUCH_USER;
1750 msg = ldb_msg_new(mem_ctx);
1752 ldb_transaction_cancel(ctx);
1753 return NT_STATUS_NO_MEMORY;
1756 msg->dn = ldb_dn_copy(msg, user_dn);
1758 ldb_transaction_cancel(ctx);
1759 return NT_STATUS_NO_MEMORY;
1762 nt_status = samdb_set_password(ctx, mem_ctx,
1765 lmNewHash, ntNewHash,
1766 user_change, /* This is a password set, not change */
1767 restrictions, /* run restriction tests */
1768 reject_reason, _dominfo);
1769 if (!NT_STATUS_IS_OK(nt_status)) {
1770 ldb_transaction_cancel(ctx);
1774 /* modify the samdb record */
1775 ret = samdb_replace(ctx, mem_ctx, msg);
1777 ldb_transaction_cancel(ctx);
1778 return NT_STATUS_ACCESS_DENIED;
1781 ret = ldb_transaction_commit(ctx);
1783 DEBUG(0,("Failed to commit transaction to change password on %s: %s\n",
1784 ldb_dn_get_linearized(msg->dn),
1785 ldb_errstring(ctx)));
1786 return NT_STATUS_TRANSACTION_ABORTED;
1788 return NT_STATUS_OK;
1791 /****************************************************************************
1792 Create the SID list for this user.
1793 ****************************************************************************/
1794 NTSTATUS security_token_create(TALLOC_CTX *mem_ctx,
1795 struct dom_sid *user_sid,
1796 struct dom_sid *group_sid,
1798 struct dom_sid **groupSIDs,
1799 BOOL is_authenticated,
1800 struct security_token **token)
1802 struct security_token *ptoken;
1806 ptoken = security_token_initialise(mem_ctx);
1807 NT_STATUS_HAVE_NO_MEMORY(ptoken);
1809 ptoken->sids = talloc_array(ptoken, struct dom_sid *, n_groupSIDs + 5);
1810 NT_STATUS_HAVE_NO_MEMORY(ptoken->sids);
1812 ptoken->user_sid = talloc_reference(ptoken, user_sid);
1813 ptoken->group_sid = talloc_reference(ptoken, group_sid);
1814 ptoken->privilege_mask = 0;
1816 ptoken->sids[0] = ptoken->user_sid;
1817 ptoken->sids[1] = ptoken->group_sid;
1820 * Finally add the "standard" SIDs.
1821 * The only difference between guest and "anonymous"
1822 * is the addition of Authenticated_Users.
1824 ptoken->sids[2] = dom_sid_parse_talloc(ptoken->sids, SID_WORLD);
1825 NT_STATUS_HAVE_NO_MEMORY(ptoken->sids[2]);
1826 ptoken->sids[3] = dom_sid_parse_talloc(ptoken->sids, SID_NT_NETWORK);
1827 NT_STATUS_HAVE_NO_MEMORY(ptoken->sids[3]);
1828 ptoken->num_sids = 4;
1830 if (is_authenticated) {
1831 ptoken->sids[4] = dom_sid_parse_talloc(ptoken->sids, SID_NT_AUTHENTICATED_USERS);
1832 NT_STATUS_HAVE_NO_MEMORY(ptoken->sids[4]);
1836 for (i = 0; i < n_groupSIDs; i++) {
1837 size_t check_sid_idx;
1838 for (check_sid_idx = 1;
1839 check_sid_idx < ptoken->num_sids;
1841 if (dom_sid_equal(ptoken->sids[check_sid_idx], groupSIDs[i])) {
1846 if (check_sid_idx == ptoken->num_sids) {
1847 ptoken->sids[ptoken->num_sids++] = talloc_reference(ptoken->sids, groupSIDs[i]);
1851 /* setup the privilege mask for this token */
1852 status = samdb_privilege_setup(ptoken);
1853 if (!NT_STATUS_IS_OK(status)) {
1854 talloc_free(ptoken);
1858 security_token_debug(10, ptoken);
1862 return NT_STATUS_OK;
1866 NTSTATUS samdb_create_foreign_security_principal(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx,
1867 struct dom_sid *sid, struct ldb_dn **ret_dn)
1869 struct ldb_message *msg;
1870 struct ldb_dn *basedn;
1874 sidstr = dom_sid_string(mem_ctx, sid);
1875 NT_STATUS_HAVE_NO_MEMORY(sidstr);
1877 /* We might have to create a ForeignSecurityPrincipal, even if this user
1878 * is in our own domain */
1880 msg = ldb_msg_new(mem_ctx);
1882 return NT_STATUS_NO_MEMORY;
1885 /* TODO: Hmmm. This feels wrong. How do I find the base dn to
1886 * put the ForeignSecurityPrincipals? d_state->domain_dn does
1887 * not work, this is wrong for the Builtin domain, there's no
1888 * cn=For...,cn=Builtin,dc={BASEDN}. -- vl
1891 basedn = samdb_search_dn(sam_ctx, mem_ctx, NULL,
1892 "(&(objectClass=container)(cn=ForeignSecurityPrincipals))");
1894 if (basedn == NULL) {
1895 DEBUG(0, ("Failed to find DN for "
1896 "ForeignSecurityPrincipal container\n"));
1897 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1900 /* add core elements to the ldb_message for the alias */
1901 msg->dn = ldb_dn_copy(mem_ctx, basedn);
1902 if ( ! ldb_dn_add_child_fmt(msg->dn, "CN=%s", sidstr))
1903 return NT_STATUS_NO_MEMORY;
1905 samdb_msg_add_string(sam_ctx, mem_ctx, msg,
1907 "foreignSecurityPrincipal");
1909 /* create the alias */
1910 ret = samdb_add(sam_ctx, mem_ctx, msg);
1912 DEBUG(0,("Failed to create foreignSecurityPrincipal "
1914 ldb_dn_get_linearized(msg->dn),
1915 ldb_errstring(sam_ctx)));
1916 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1919 return NT_STATUS_OK;
1924 Find the DN of a domain, assuming it to be a dotted.dns name
1927 struct ldb_dn *samdb_dns_domain_to_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, const char *dns_domain)
1930 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
1931 const char *binary_encoded;
1932 const char **split_realm;
1939 split_realm = str_list_make(tmp_ctx, dns_domain, ".");
1941 talloc_free(tmp_ctx);
1944 dn = ldb_dn_new(mem_ctx, ldb, NULL);
1945 for (i=0; split_realm[i]; i++) {
1946 binary_encoded = ldb_binary_encode_string(tmp_ctx, split_realm[i]);
1947 if (!ldb_dn_add_base_fmt(dn, "dc=%s", binary_encoded)) {
1948 DEBUG(2, ("Failed to add dc=%s element to DN %s\n",
1949 binary_encoded, ldb_dn_get_linearized(dn)));
1950 talloc_free(tmp_ctx);
1954 if (!ldb_dn_validate(dn)) {
1955 DEBUG(2, ("Failed to validated DN %s\n",
1956 ldb_dn_get_linearized(dn)));
1962 Find the DN of a domain, be it the netbios or DNS name
1965 struct ldb_dn *samdb_domain_to_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx,
1966 const char *domain_name)
1968 const char * const domain_ref_attrs[] = {
1971 const char * const domain_ref2_attrs[] = {
1974 struct ldb_result *res_domain_ref;
1975 char *escaped_domain = ldb_binary_encode_string(mem_ctx, domain_name);
1976 /* find the domain's DN */
1977 int ret_domain = ldb_search_exp_fmt(ldb, mem_ctx,
1979 samdb_partitions_dn(ldb, mem_ctx),
1982 "(&(nETBIOSName=%s)(objectclass=crossRef))",
1984 if (ret_domain != 0) {
1988 if (res_domain_ref->count == 0) {
1989 ret_domain = ldb_search_exp_fmt(ldb, mem_ctx,
1991 samdb_dns_domain_to_dn(ldb, mem_ctx, domain_name),
1994 "(objectclass=domain)");
1995 if (ret_domain != 0) {
1999 if (res_domain_ref->count == 1) {
2000 return res_domain_ref->msgs[0]->dn;
2005 if (res_domain_ref->count > 1) {
2006 DEBUG(0,("Found %d records matching domain [%s]\n",
2007 ret_domain, domain_name));
2011 return samdb_result_dn(ldb, mem_ctx, res_domain_ref->msgs[0], "nCName", NULL);