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 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 "librpc/gen_ndr/ndr_netlogon.h"
26 #include "librpc/gen_ndr/ndr_misc.h"
27 #include "librpc/gen_ndr/ndr_security.h"
28 #include "lib/ldb/include/ldb.h"
29 #include "lib/ldb/include/ldb_errors.h"
30 #include "libcli/security/security.h"
31 #include "libcli/auth/libcli_auth.h"
32 #include "libcli/ldap/ldap.h"
33 #include "system/time.h"
34 #include "system/filesys.h"
36 #include "dsdb/samdb/samdb.h"
37 #include "dsdb/common/flags.h"
40 connect to the SAM database
41 return an opaque context pointer on success, or NULL on failure
43 struct ldb_context *samdb_connect(TALLOC_CTX *mem_ctx,
44 struct auth_session_info *session_info)
46 struct ldb_context *ldb;
47 ldb = ldb_wrap_connect(mem_ctx, lp_sam_url(), session_info,
52 dsdb_make_schema_global(ldb);
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 *name,
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 if (!ldb_dn_add_child_fmt(basedn, "CN=Template%s", name)) {
694 *errstring = talloc_asprintf(msg, "samdb_copy_template: ERROR: Failed to contruct DN for template '%s'",
696 return LDB_ERR_OPERATIONS_ERROR;
699 /* pull the template record */
700 ret = ldb_search(ldb, basedn, LDB_SCOPE_BASE, "cn=*", NULL, &res);
702 if (ret != LDB_SUCCESS) {
703 *errstring = talloc_steal(msg, ldb_errstring(ldb));
706 if (res->count != 1) {
707 *errstring = talloc_asprintf(msg, "samdb_copy_template: ERROR: template '%s' matched %d records, expected 1",
711 return LDB_ERR_OPERATIONS_ERROR;
715 for (i = 0; i < t->num_elements; i++) {
716 struct ldb_message_element *el = &t->elements[i];
717 /* some elements should not be copied from the template */
718 if (ldb_attr_cmp(el->name, "cn") == 0 ||
719 ldb_attr_cmp(el->name, "name") == 0 ||
720 ldb_attr_cmp(el->name, "objectClass") == 0 ||
721 ldb_attr_cmp(el->name, "sAMAccountName") == 0 ||
722 ldb_attr_cmp(el->name, "sAMAccountName") == 0 ||
723 ldb_attr_cmp(el->name, "distinguishedName") == 0 ||
724 ldb_attr_cmp(el->name, "objectGUID") == 0) {
727 for (j = 0; j < el->num_values; j++) {
728 ret = samdb_find_or_add_attribute(ldb, msg, el->name,
729 (char *)el->values[j].data);
731 *errstring = talloc_asprintf(msg, "Adding attribute %s failed.", el->name);
745 add a string element to a message
747 int samdb_msg_add_string(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
748 const char *attr_name, const char *str)
750 char *s = talloc_strdup(mem_ctx, str);
751 char *a = talloc_strdup(mem_ctx, attr_name);
752 if (s == NULL || a == NULL) {
753 return LDB_ERR_OPERATIONS_ERROR;
755 return ldb_msg_add_string(msg, a, s);
759 add a dom_sid element to a message
761 int samdb_msg_add_dom_sid(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
762 const char *attr_name, struct dom_sid *sid)
766 status = ndr_push_struct_blob(&v, mem_ctx, sid,
767 (ndr_push_flags_fn_t)ndr_push_dom_sid);
768 if (!NT_STATUS_IS_OK(status)) {
771 return ldb_msg_add_value(msg, attr_name, &v, NULL);
776 add a delete element operation to a message
778 int samdb_msg_add_delete(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
779 const char *attr_name)
781 /* we use an empty replace rather than a delete, as it allows for
782 samdb_replace() to be used everywhere */
783 return ldb_msg_add_empty(msg, attr_name, LDB_FLAG_MOD_REPLACE, NULL);
787 add a add attribute value to a message
789 int samdb_msg_add_addval(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
790 const char *attr_name, const char *value)
792 struct ldb_message_element *el;
795 a = talloc_strdup(mem_ctx, attr_name);
798 v = talloc_strdup(mem_ctx, value);
801 ret = ldb_msg_add_string(msg, a, v);
804 el = ldb_msg_find_element(msg, a);
807 el->flags = LDB_FLAG_MOD_ADD;
812 add a delete attribute value to a message
814 int samdb_msg_add_delval(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
815 const char *attr_name, const char *value)
817 struct ldb_message_element *el;
820 a = talloc_strdup(mem_ctx, attr_name);
823 v = talloc_strdup(mem_ctx, value);
826 ret = ldb_msg_add_string(msg, a, v);
829 el = ldb_msg_find_element(msg, a);
832 el->flags = LDB_FLAG_MOD_DELETE;
837 add a int element to a message
839 int samdb_msg_add_int(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
840 const char *attr_name, int v)
842 const char *s = talloc_asprintf(mem_ctx, "%d", v);
843 return samdb_msg_add_string(sam_ldb, mem_ctx, msg, attr_name, s);
847 add a uint_t element to a message
849 int samdb_msg_add_uint(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
850 const char *attr_name, uint_t v)
852 const char *s = talloc_asprintf(mem_ctx, "%u", v);
853 return samdb_msg_add_string(sam_ldb, mem_ctx, msg, attr_name, s);
857 add a (signed) int64_t element to a message
859 int samdb_msg_add_int64(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
860 const char *attr_name, int64_t v)
862 const char *s = talloc_asprintf(mem_ctx, "%lld", (long long)v);
863 return samdb_msg_add_string(sam_ldb, mem_ctx, msg, attr_name, s);
867 add a uint64_t element to a message
869 int samdb_msg_add_uint64(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
870 const char *attr_name, uint64_t v)
872 const char *s = talloc_asprintf(mem_ctx, "%llu", (unsigned long long)v);
873 return samdb_msg_add_string(sam_ldb, mem_ctx, msg, attr_name, s);
877 add a samr_Password element to a message
879 int samdb_msg_add_hash(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
880 const char *attr_name, struct samr_Password *hash)
883 val.data = talloc_memdup(mem_ctx, hash->hash, 16);
888 return ldb_msg_add_value(msg, attr_name, &val, NULL);
892 add a samr_Password array to a message
894 int samdb_msg_add_hashes(TALLOC_CTX *mem_ctx, struct ldb_message *msg,
895 const char *attr_name, struct samr_Password *hashes, uint_t count)
899 val.data = talloc_array_size(mem_ctx, 16, count);
900 val.length = count*16;
904 for (i=0;i<count;i++) {
905 memcpy(i*16 + (char *)val.data, hashes[i].hash, 16);
907 return ldb_msg_add_value(msg, attr_name, &val, NULL);
911 add a acct_flags element to a message
913 int samdb_msg_add_acct_flags(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
914 const char *attr_name, uint32_t v)
916 return samdb_msg_add_uint(sam_ldb, mem_ctx, msg, attr_name, samdb_acb2uf(v));
920 add a logon_hours element to a message
922 int samdb_msg_add_logon_hours(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
923 const char *attr_name, struct samr_LogonHours *hours)
926 val.length = hours->units_per_week / 8;
927 val.data = hours->bits;
928 return ldb_msg_add_value(msg, attr_name, &val, NULL);
932 add a general value element to a message
934 int samdb_msg_add_value(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
935 const char *attr_name, const struct ldb_val *val)
937 return ldb_msg_add_value(msg, attr_name, val, NULL);
941 sets a general value element to a message
943 int samdb_msg_set_value(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
944 const char *attr_name, const struct ldb_val *val)
946 struct ldb_message_element *el;
948 el = ldb_msg_find_element(msg, attr_name);
952 return ldb_msg_add_value(msg, attr_name, val, NULL);
956 set a string element in a message
958 int samdb_msg_set_string(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
959 const char *attr_name, const char *str)
961 struct ldb_message_element *el;
963 el = ldb_msg_find_element(msg, attr_name);
967 return samdb_msg_add_string(sam_ldb, mem_ctx, msg, attr_name, str);
973 int samdb_add(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg)
975 return ldb_add(sam_ldb, msg);
981 int samdb_delete(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_dn *dn)
983 return ldb_delete(sam_ldb, dn);
989 int samdb_modify(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg)
991 return ldb_modify(sam_ldb, msg);
995 replace elements in a record
997 int samdb_replace(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg)
1001 /* mark all the message elements as LDB_FLAG_MOD_REPLACE */
1002 for (i=0;i<msg->num_elements;i++) {
1003 msg->elements[i].flags = LDB_FLAG_MOD_REPLACE;
1006 /* modify the samdb record */
1007 return samdb_modify(sam_ldb, mem_ctx, msg);
1011 return a default security descriptor
1013 struct security_descriptor *samdb_default_security_descriptor(TALLOC_CTX *mem_ctx)
1015 struct security_descriptor *sd;
1017 sd = security_descriptor_initialise(mem_ctx);
1022 struct ldb_dn *samdb_base_dn(struct ldb_context *sam_ctx)
1024 return ldb_get_default_basedn(sam_ctx);
1027 struct ldb_dn *samdb_config_dn(struct ldb_context *sam_ctx)
1029 return ldb_get_config_basedn(sam_ctx);
1032 struct ldb_dn *samdb_schema_dn(struct ldb_context *sam_ctx)
1034 return ldb_get_schema_basedn(sam_ctx);
1037 struct ldb_dn *samdb_root_dn(struct ldb_context *sam_ctx)
1039 return ldb_get_root_basedn(sam_ctx);
1042 struct ldb_dn *samdb_partitions_dn(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx)
1044 struct ldb_dn *new_dn;
1046 new_dn = ldb_dn_copy(mem_ctx, samdb_config_dn(sam_ctx));
1047 if ( ! ldb_dn_add_child_fmt(new_dn, "CN=Partitions")) {
1048 talloc_free(new_dn);
1054 struct ldb_dn *samdb_sites_dn(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx)
1056 struct ldb_dn *new_dn;
1058 new_dn = ldb_dn_copy(mem_ctx, samdb_config_dn(sam_ctx));
1059 if ( ! ldb_dn_add_child_fmt(new_dn, "CN=Sites")) {
1060 talloc_free(new_dn);
1067 work out the domain sid for the current open ldb
1069 const struct dom_sid *samdb_domain_sid(struct ldb_context *ldb)
1071 TALLOC_CTX *tmp_ctx;
1072 struct dom_sid *domain_sid;
1074 /* see if we have a cached copy */
1075 domain_sid = ldb_get_opaque(ldb, "cache.domain_sid");
1080 tmp_ctx = talloc_new(ldb);
1081 if (tmp_ctx == NULL) {
1085 /* find the domain_sid */
1086 domain_sid = samdb_search_dom_sid(ldb, tmp_ctx, ldb_get_default_basedn(ldb),
1087 "objectSid", "objectClass=domainDNS");
1088 if (domain_sid == NULL) {
1092 /* cache the domain_sid in the ldb */
1093 if (ldb_set_opaque(ldb, "cache.domain_sid", domain_sid) != LDB_SUCCESS) {
1097 talloc_steal(ldb, domain_sid);
1098 talloc_free(tmp_ctx);
1103 DEBUG(1,("Failed to find domain_sid for open ldb\n"));
1104 talloc_free(tmp_ctx);
1108 /* Obtain the short name of the flexible single master operator
1109 * (FSMO), such as the PDC Emulator */
1110 const char *samdb_result_fsmo_name(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
1113 /* Format is cn=NTDS Settings,cn=<NETBIOS name of FSMO>,.... */
1114 struct ldb_dn *fsmo_dn = ldb_msg_find_attr_as_dn(ldb, mem_ctx, msg, attr);
1115 const struct ldb_val *val = ldb_dn_get_component_val(fsmo_dn, 1);
1116 const char *name = ldb_dn_get_component_name(fsmo_dn, 1);
1118 if (!name || (ldb_attr_cmp(name, "cn") != 0)) {
1119 /* Ensure this matches the format. This gives us a
1120 * bit more confidence that a 'cn' value will be a
1125 return (char *)val->data;
1131 work out the ntds settings dn for the current open ldb
1133 struct ldb_dn *samdb_ntds_settings_dn(struct ldb_context *ldb)
1135 TALLOC_CTX *tmp_ctx;
1136 const char *root_attrs[] = { "dsServiceName", NULL };
1138 struct ldb_result *root_res;
1139 struct ldb_dn *settings_dn;
1141 /* see if we have a cached copy */
1142 settings_dn = ldb_get_opaque(ldb, "cache.settings_dn");
1147 tmp_ctx = talloc_new(ldb);
1148 if (tmp_ctx == NULL) {
1153 ret = ldb_search(ldb, ldb_dn_new(tmp_ctx, ldb, ""), LDB_SCOPE_BASE, NULL, root_attrs, &root_res);
1155 DEBUG(1,("Searching for dsServiceName in rootDSE failed: %s\n",
1156 ldb_errstring(ldb)));
1159 talloc_steal(tmp_ctx, root_res);
1161 if (root_res->count != 1) {
1165 settings_dn = ldb_msg_find_attr_as_dn(ldb, tmp_ctx, root_res->msgs[0], "dsServiceName");
1167 /* cache the domain_sid in the ldb */
1168 if (ldb_set_opaque(ldb, "cache.settings_dn", settings_dn) != LDB_SUCCESS) {
1172 talloc_steal(ldb, settings_dn);
1173 talloc_free(tmp_ctx);
1178 DEBUG(1,("Failed to find our own NTDS Settings DN in the ldb!\n"));
1179 talloc_free(tmp_ctx);
1184 work out the ntds settings invocationId for the current open ldb
1186 const struct GUID *samdb_ntds_invocation_id(struct ldb_context *ldb)
1188 TALLOC_CTX *tmp_ctx;
1189 const char *attrs[] = { "invocationId", NULL };
1191 struct ldb_result *res;
1192 struct GUID *invocation_id;
1194 /* see if we have a cached copy */
1195 invocation_id = ldb_get_opaque(ldb, "cache.invocation_id");
1196 if (invocation_id) {
1197 return invocation_id;
1200 tmp_ctx = talloc_new(ldb);
1201 if (tmp_ctx == NULL) {
1205 ret = ldb_search(ldb, samdb_ntds_settings_dn(ldb), LDB_SCOPE_BASE, NULL, attrs, &res);
1209 talloc_steal(tmp_ctx, res);
1211 if (res->count != 1) {
1215 invocation_id = talloc(tmp_ctx, struct GUID);
1216 if (!invocation_id) {
1220 *invocation_id = samdb_result_guid(res->msgs[0], "invocationId");
1222 /* cache the domain_sid in the ldb */
1223 if (ldb_set_opaque(ldb, "cache.invocation_id", invocation_id) != LDB_SUCCESS) {
1227 talloc_steal(ldb, invocation_id);
1228 talloc_free(tmp_ctx);
1230 return invocation_id;
1233 DEBUG(1,("Failed to find our own NTDS Settings invocationId in the ldb!\n"));
1234 talloc_free(tmp_ctx);
1238 bool samdb_set_ntds_invocation_id(struct ldb_context *ldb, const struct GUID *invocation_id_in)
1240 TALLOC_CTX *tmp_ctx;
1241 struct GUID *invocation_id_new;
1242 struct GUID *invocation_id_old;
1244 /* see if we have a cached copy */
1245 invocation_id_old = ldb_get_opaque(ldb, "cache.invocation_id");
1247 tmp_ctx = talloc_new(ldb);
1248 if (tmp_ctx == NULL) {
1252 invocation_id_new = talloc(tmp_ctx, struct GUID);
1253 if (!invocation_id_new) {
1257 *invocation_id_new = *invocation_id_in;
1259 /* cache the domain_sid in the ldb */
1260 if (ldb_set_opaque(ldb, "cache.invocation_id", invocation_id_new) != LDB_SUCCESS) {
1264 talloc_steal(ldb, invocation_id_new);
1265 talloc_free(tmp_ctx);
1266 talloc_free(invocation_id_old);
1271 DEBUG(1,("Failed to set our own cached invocationId in the ldb!\n"));
1272 talloc_free(tmp_ctx);
1277 work out the ntds settings objectGUID for the current open ldb
1279 const struct GUID *samdb_ntds_objectGUID(struct ldb_context *ldb)
1281 TALLOC_CTX *tmp_ctx;
1282 const char *attrs[] = { "objectGUID", NULL };
1284 struct ldb_result *res;
1285 struct GUID *ntds_guid;
1287 /* see if we have a cached copy */
1288 ntds_guid = ldb_get_opaque(ldb, "cache.ntds_guid");
1293 tmp_ctx = talloc_new(ldb);
1294 if (tmp_ctx == NULL) {
1298 ret = ldb_search(ldb, samdb_ntds_settings_dn(ldb), LDB_SCOPE_BASE, NULL, attrs, &res);
1302 talloc_steal(tmp_ctx, res);
1304 if (res->count != 1) {
1308 ntds_guid = talloc(tmp_ctx, struct GUID);
1313 *ntds_guid = samdb_result_guid(res->msgs[0], "objectGUID");
1315 /* cache the domain_sid in the ldb */
1316 if (ldb_set_opaque(ldb, "cache.ntds_guid", ntds_guid) != LDB_SUCCESS) {
1320 talloc_steal(ldb, ntds_guid);
1321 talloc_free(tmp_ctx);
1326 DEBUG(1,("Failed to find our own NTDS Settings objectGUID in the ldb!\n"));
1327 talloc_free(tmp_ctx);
1331 bool samdb_set_ntds_objectGUID(struct ldb_context *ldb, const struct GUID *ntds_guid_in)
1333 TALLOC_CTX *tmp_ctx;
1334 struct GUID *ntds_guid_new;
1335 struct GUID *ntds_guid_old;
1337 /* see if we have a cached copy */
1338 ntds_guid_old = ldb_get_opaque(ldb, "cache.ntds_guid");
1340 tmp_ctx = talloc_new(ldb);
1341 if (tmp_ctx == NULL) {
1345 ntds_guid_new = talloc(tmp_ctx, struct GUID);
1346 if (!ntds_guid_new) {
1350 *ntds_guid_new = *ntds_guid_in;
1352 /* cache the domain_sid in the ldb */
1353 if (ldb_set_opaque(ldb, "cache.ntds_guid", ntds_guid_new) != LDB_SUCCESS) {
1357 talloc_steal(ldb, ntds_guid_new);
1358 talloc_free(tmp_ctx);
1359 talloc_free(ntds_guid_old);
1364 DEBUG(1,("Failed to set our own cached invocationId in the ldb!\n"));
1365 talloc_free(tmp_ctx);
1370 work out the server dn for the current open ldb
1372 struct ldb_dn *samdb_server_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
1374 return ldb_dn_get_parent(mem_ctx, samdb_ntds_settings_dn(ldb));
1378 work out the server dn for the current open ldb
1380 struct ldb_dn *samdb_server_site_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
1382 struct ldb_dn *server_dn;
1383 struct ldb_dn *server_site_dn;
1385 server_dn = samdb_server_dn(ldb, mem_ctx);
1386 if (!server_dn) return NULL;
1388 server_site_dn = ldb_dn_get_parent(mem_ctx, server_dn);
1390 talloc_free(server_dn);
1391 return server_site_dn;
1395 work out if we are the PDC for the domain of the current open ldb
1397 BOOL samdb_is_pdc(struct ldb_context *ldb)
1399 const char *dom_attrs[] = { "fSMORoleOwner", NULL };
1401 struct ldb_result *dom_res;
1402 TALLOC_CTX *tmp_ctx;
1406 tmp_ctx = talloc_new(ldb);
1407 if (tmp_ctx == NULL) {
1408 DEBUG(1, ("talloc_new failed in samdb_is_pdc"));
1412 ret = ldb_search(ldb, ldb_get_default_basedn(ldb), LDB_SCOPE_BASE, NULL, dom_attrs, &dom_res);
1414 DEBUG(1,("Searching for fSMORoleOwner in %s failed: %s\n",
1415 ldb_dn_get_linearized(ldb_get_default_basedn(ldb)),
1416 ldb_errstring(ldb)));
1419 talloc_steal(tmp_ctx, dom_res);
1420 if (dom_res->count != 1) {
1424 pdc = ldb_msg_find_attr_as_dn(ldb, tmp_ctx, dom_res->msgs[0], "fSMORoleOwner");
1426 if (ldb_dn_compare(samdb_ntds_settings_dn(ldb), pdc) == 0) {
1432 talloc_free(tmp_ctx);
1437 DEBUG(1,("Failed to find if we are the PDC for this ldb\n"));
1438 talloc_free(tmp_ctx);
1443 /* Find a domain object in the parents of a particular DN. */
1444 struct ldb_dn *samdb_search_for_parent_domain(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct ldb_dn *dn)
1446 TALLOC_CTX *local_ctx;
1447 struct ldb_dn *sdn = dn;
1448 struct ldb_result *res = NULL;
1450 const char *attrs[] = { NULL };
1452 local_ctx = talloc_new(mem_ctx);
1453 if (local_ctx == NULL) return NULL;
1455 while ((sdn = ldb_dn_get_parent(local_ctx, sdn))) {
1456 ret = ldb_search(ldb, sdn, LDB_SCOPE_BASE,
1457 "(|(objectClass=domain)(objectClass=builtinDomain))", attrs, &res);
1458 if (ret == LDB_SUCCESS) {
1459 talloc_steal(local_ctx, res);
1460 if (res->count == 1) {
1466 if (ret != LDB_SUCCESS || res->count != 1) {
1467 talloc_free(local_ctx);
1471 talloc_steal(mem_ctx, sdn);
1472 talloc_free(local_ctx);
1478 check that a password is sufficiently complex
1480 static BOOL samdb_password_complexity_ok(const char *pass)
1482 return check_password_quality(pass);
1488 set the user password using plaintext, obeying any user or domain
1489 password restrictions
1491 note that this function doesn't actually store the result in the
1492 database, it just fills in the "mod" structure with ldb modify
1493 elements to setup the correct change when samdb_replace() is
1494 called. This allows the caller to combine the change with other
1495 changes (as is needed by some of the set user info levels)
1497 The caller should probably have a transaction wrapping this
1499 _PUBLIC_ NTSTATUS samdb_set_password(struct ldb_context *ctx, TALLOC_CTX *mem_ctx,
1500 struct ldb_dn *user_dn,
1501 struct ldb_dn *domain_dn,
1502 struct ldb_message *mod,
1503 const char *new_pass,
1504 struct samr_Password *lmNewHash,
1505 struct samr_Password *ntNewHash,
1507 enum samr_RejectReason *reject_reason,
1508 struct samr_DomInfo1 **_dominfo)
1510 const char * const user_attrs[] = { "userAccountControl", "lmPwdHistory",
1512 "dBCSPwd", "unicodePwd",
1514 "pwdLastSet", NULL };
1515 const char * const domain_attrs[] = { "pwdProperties", "pwdHistoryLength",
1516 "maxPwdAge", "minPwdAge",
1517 "minPwdLength", NULL };
1520 uint_t minPwdLength, pwdProperties, pwdHistoryLength;
1521 uint_t userAccountControl;
1522 struct samr_Password *sambaLMPwdHistory, *sambaNTPwdHistory, *lmPwdHash, *ntPwdHash;
1523 struct samr_Password local_lmNewHash, local_ntNewHash;
1524 int sambaLMPwdHistory_len, sambaNTPwdHistory_len;
1525 struct dom_sid *domain_sid;
1526 struct ldb_message **res;
1529 time_t now = time(NULL);
1533 /* we need to know the time to compute password age */
1534 unix_to_nt_time(&now_nt, now);
1536 /* pull all the user parameters */
1537 count = gendb_search_dn(ctx, mem_ctx, user_dn, &res, user_attrs);
1539 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1541 userAccountControl = samdb_result_uint(res[0], "userAccountControl", 0);
1542 sambaLMPwdHistory_len = samdb_result_hashes(mem_ctx, res[0],
1543 "lmPwdHistory", &sambaLMPwdHistory);
1544 sambaNTPwdHistory_len = samdb_result_hashes(mem_ctx, res[0],
1545 "ntPwdHistory", &sambaNTPwdHistory);
1546 lmPwdHash = samdb_result_hash(mem_ctx, res[0], "dBCSPwd");
1547 ntPwdHash = samdb_result_hash(mem_ctx, res[0], "unicodePwd");
1548 pwdLastSet = samdb_result_uint64(res[0], "pwdLastSet", 0);
1550 /* Only non-trust accounts have restrictions (possibly this
1551 * test is the wrong way around, but I like to be restrictive
1553 restrictions = !(userAccountControl & (UF_INTERDOMAIN_TRUST_ACCOUNT
1554 |UF_WORKSTATION_TRUST_ACCOUNT
1555 |UF_SERVER_TRUST_ACCOUNT));
1558 /* pull the domain parameters */
1559 count = gendb_search_dn(ctx, mem_ctx, domain_dn, &res, domain_attrs);
1561 DEBUG(2, ("samdb_set_password: Domain DN %s is invalid, for user %s\n",
1562 ldb_dn_get_linearized(domain_dn),
1563 ldb_dn_get_linearized(user_dn)));
1564 return NT_STATUS_NO_SUCH_DOMAIN;
1567 /* work out the domain sid, and pull the domain from there */
1568 domain_sid = samdb_result_sid_prefix(mem_ctx, res[0], "objectSid");
1569 if (domain_sid == NULL) {
1570 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1573 count = gendb_search(ctx, mem_ctx, NULL, &res, domain_attrs,
1575 ldap_encode_ndr_dom_sid(mem_ctx, domain_sid));
1577 DEBUG(2, ("samdb_set_password: Could not find domain to match SID: %s, for user %s\n",
1578 dom_sid_string(mem_ctx, domain_sid),
1579 ldb_dn_get_linearized(user_dn)));
1580 return NT_STATUS_NO_SUCH_DOMAIN;
1584 pwdProperties = samdb_result_uint(res[0], "pwdProperties", 0);
1585 pwdHistoryLength = samdb_result_uint(res[0], "pwdHistoryLength", 0);
1586 minPwdLength = samdb_result_uint(res[0], "minPwdLength", 0);
1587 minPwdAge = samdb_result_int64(res[0], "minPwdAge", 0);
1590 struct samr_DomInfo1 *dominfo;
1591 /* on failure we need to fill in the reject reasons */
1592 dominfo = talloc(mem_ctx, struct samr_DomInfo1);
1593 if (dominfo == NULL) {
1594 return NT_STATUS_NO_MEMORY;
1596 dominfo->min_password_length = minPwdLength;
1597 dominfo->password_properties = pwdProperties;
1598 dominfo->password_history_length = pwdHistoryLength;
1599 dominfo->max_password_age = minPwdAge;
1600 dominfo->min_password_age = minPwdAge;
1601 *_dominfo = dominfo;
1604 if (restrictions && new_pass) {
1606 /* check the various password restrictions */
1607 if (restrictions && minPwdLength > strlen_m(new_pass)) {
1608 if (reject_reason) {
1609 *reject_reason = SAMR_REJECT_TOO_SHORT;
1611 return NT_STATUS_PASSWORD_RESTRICTION;
1614 /* possibly check password complexity */
1615 if (restrictions && pwdProperties & DOMAIN_PASSWORD_COMPLEX &&
1616 !samdb_password_complexity_ok(new_pass)) {
1617 if (reject_reason) {
1618 *reject_reason = SAMR_REJECT_COMPLEXITY;
1620 return NT_STATUS_PASSWORD_RESTRICTION;
1623 /* compute the new nt and lm hashes */
1624 if (E_deshash(new_pass, local_lmNewHash.hash)) {
1625 lmNewHash = &local_lmNewHash;
1627 if (!E_md4hash(new_pass, local_ntNewHash.hash)) {
1628 /* If we can't convert this password to UCS2, then we should not accept it */
1629 if (reject_reason) {
1630 *reject_reason = SAMR_REJECT_OTHER;
1632 return NT_STATUS_PASSWORD_RESTRICTION;
1634 ntNewHash = &local_ntNewHash;
1638 /* are all password changes disallowed? */
1639 if (pwdProperties & DOMAIN_REFUSE_PASSWORD_CHANGE) {
1640 if (reject_reason) {
1641 *reject_reason = SAMR_REJECT_OTHER;
1643 return NT_STATUS_PASSWORD_RESTRICTION;
1646 /* can this user change password? */
1647 if (userAccountControl & UF_PASSWD_CANT_CHANGE) {
1648 if (reject_reason) {
1649 *reject_reason = SAMR_REJECT_OTHER;
1651 return NT_STATUS_PASSWORD_RESTRICTION;
1654 /* yes, this is a minus. The ages are in negative 100nsec units! */
1655 if (pwdLastSet - minPwdAge > now_nt) {
1656 if (reject_reason) {
1657 *reject_reason = SAMR_REJECT_OTHER;
1659 return NT_STATUS_PASSWORD_RESTRICTION;
1662 /* check the immediately past password */
1663 if (pwdHistoryLength > 0) {
1664 if (lmNewHash && lmPwdHash && memcmp(lmNewHash->hash, lmPwdHash->hash, 16) == 0) {
1665 if (reject_reason) {
1666 *reject_reason = SAMR_REJECT_IN_HISTORY;
1668 return NT_STATUS_PASSWORD_RESTRICTION;
1670 if (ntNewHash && ntPwdHash && memcmp(ntNewHash->hash, ntPwdHash->hash, 16) == 0) {
1671 if (reject_reason) {
1672 *reject_reason = SAMR_REJECT_IN_HISTORY;
1674 return NT_STATUS_PASSWORD_RESTRICTION;
1678 /* check the password history */
1679 sambaLMPwdHistory_len = MIN(sambaLMPwdHistory_len, pwdHistoryLength);
1680 sambaNTPwdHistory_len = MIN(sambaNTPwdHistory_len, pwdHistoryLength);
1682 for (i=0; lmNewHash && i<sambaLMPwdHistory_len;i++) {
1683 if (memcmp(lmNewHash->hash, sambaLMPwdHistory[i].hash, 16) == 0) {
1684 if (reject_reason) {
1685 *reject_reason = SAMR_REJECT_IN_HISTORY;
1687 return NT_STATUS_PASSWORD_RESTRICTION;
1690 for (i=0; ntNewHash && i<sambaNTPwdHistory_len;i++) {
1691 if (memcmp(ntNewHash->hash, sambaNTPwdHistory[i].hash, 16) == 0) {
1692 if (reject_reason) {
1693 *reject_reason = SAMR_REJECT_IN_HISTORY;
1695 return NT_STATUS_PASSWORD_RESTRICTION;
1700 #define CHECK_RET(x) do { if (x != 0) return NT_STATUS_NO_MEMORY; } while(0)
1702 /* the password is acceptable. Start forming the new fields */
1704 /* if we know the cleartext, then only set it.
1705 * Modules in ldb will set all the appropriate
1707 CHECK_RET(samdb_msg_add_string(ctx, mem_ctx, mod,
1708 "sambaPassword", new_pass));
1710 /* We don't have the cleartext, so delete the old one
1711 * and set what we have of the hashes */
1712 CHECK_RET(samdb_msg_add_delete(ctx, mem_ctx, mod, "sambaPassword"));
1715 CHECK_RET(samdb_msg_add_hash(ctx, mem_ctx, mod, "dBCSPwd", lmNewHash));
1717 CHECK_RET(samdb_msg_add_delete(ctx, mem_ctx, mod, "dBCSPwd"));
1721 CHECK_RET(samdb_msg_add_hash(ctx, mem_ctx, mod, "unicodePwd", ntNewHash));
1723 CHECK_RET(samdb_msg_add_delete(ctx, mem_ctx, mod, "unicodePwd"));
1727 return NT_STATUS_OK;
1732 set the user password using plaintext, obeying any user or domain
1733 password restrictions
1735 This wrapper function takes a SID as input, rather than a user DN,
1736 and actually performs the password change
1739 _PUBLIC_ NTSTATUS samdb_set_password_sid(struct ldb_context *ctx, TALLOC_CTX *mem_ctx,
1740 const struct dom_sid *user_sid,
1741 const char *new_pass,
1742 struct samr_Password *lmNewHash,
1743 struct samr_Password *ntNewHash,
1745 enum samr_RejectReason *reject_reason,
1746 struct samr_DomInfo1 **_dominfo)
1749 struct ldb_dn *user_dn;
1750 struct ldb_message *msg;
1753 ret = ldb_transaction_start(ctx);
1755 DEBUG(1, ("Failed to start transaction: %s\n", ldb_errstring(ctx)));
1756 return NT_STATUS_TRANSACTION_ABORTED;
1759 user_dn = samdb_search_dn(ctx, mem_ctx, NULL,
1760 "(&(objectSid=%s)(objectClass=user))",
1761 ldap_encode_ndr_dom_sid(mem_ctx, user_sid));
1763 ldb_transaction_cancel(ctx);
1764 DEBUG(3, ("samdb_set_password_sid: SID %s not found in samdb, returning NO_SUCH_USER\n",
1765 dom_sid_string(mem_ctx, user_sid)));
1766 return NT_STATUS_NO_SUCH_USER;
1769 msg = ldb_msg_new(mem_ctx);
1771 ldb_transaction_cancel(ctx);
1772 return NT_STATUS_NO_MEMORY;
1775 msg->dn = ldb_dn_copy(msg, user_dn);
1777 ldb_transaction_cancel(ctx);
1778 return NT_STATUS_NO_MEMORY;
1781 nt_status = samdb_set_password(ctx, mem_ctx,
1784 lmNewHash, ntNewHash,
1785 user_change, /* This is a password set, not change */
1786 reject_reason, _dominfo);
1787 if (!NT_STATUS_IS_OK(nt_status)) {
1788 ldb_transaction_cancel(ctx);
1792 /* modify the samdb record */
1793 ret = samdb_replace(ctx, mem_ctx, msg);
1795 ldb_transaction_cancel(ctx);
1796 return NT_STATUS_ACCESS_DENIED;
1799 ret = ldb_transaction_commit(ctx);
1801 DEBUG(0,("Failed to commit transaction to change password on %s: %s\n",
1802 ldb_dn_get_linearized(msg->dn),
1803 ldb_errstring(ctx)));
1804 return NT_STATUS_TRANSACTION_ABORTED;
1806 return NT_STATUS_OK;
1809 /****************************************************************************
1810 Create the SID list for this user.
1811 ****************************************************************************/
1812 NTSTATUS security_token_create(TALLOC_CTX *mem_ctx,
1813 struct dom_sid *user_sid,
1814 struct dom_sid *group_sid,
1816 struct dom_sid **groupSIDs,
1817 BOOL is_authenticated,
1818 struct security_token **token)
1820 struct security_token *ptoken;
1824 ptoken = security_token_initialise(mem_ctx);
1825 NT_STATUS_HAVE_NO_MEMORY(ptoken);
1827 ptoken->sids = talloc_array(ptoken, struct dom_sid *, n_groupSIDs + 5);
1828 NT_STATUS_HAVE_NO_MEMORY(ptoken->sids);
1830 ptoken->user_sid = talloc_reference(ptoken, user_sid);
1831 ptoken->group_sid = talloc_reference(ptoken, group_sid);
1832 ptoken->privilege_mask = 0;
1834 ptoken->sids[0] = ptoken->user_sid;
1835 ptoken->sids[1] = ptoken->group_sid;
1838 * Finally add the "standard" SIDs.
1839 * The only difference between guest and "anonymous"
1840 * is the addition of Authenticated_Users.
1842 ptoken->sids[2] = dom_sid_parse_talloc(ptoken->sids, SID_WORLD);
1843 NT_STATUS_HAVE_NO_MEMORY(ptoken->sids[2]);
1844 ptoken->sids[3] = dom_sid_parse_talloc(ptoken->sids, SID_NT_NETWORK);
1845 NT_STATUS_HAVE_NO_MEMORY(ptoken->sids[3]);
1846 ptoken->num_sids = 4;
1848 if (is_authenticated) {
1849 ptoken->sids[4] = dom_sid_parse_talloc(ptoken->sids, SID_NT_AUTHENTICATED_USERS);
1850 NT_STATUS_HAVE_NO_MEMORY(ptoken->sids[4]);
1854 for (i = 0; i < n_groupSIDs; i++) {
1855 size_t check_sid_idx;
1856 for (check_sid_idx = 1;
1857 check_sid_idx < ptoken->num_sids;
1859 if (dom_sid_equal(ptoken->sids[check_sid_idx], groupSIDs[i])) {
1864 if (check_sid_idx == ptoken->num_sids) {
1865 ptoken->sids[ptoken->num_sids++] = talloc_reference(ptoken->sids, groupSIDs[i]);
1869 /* setup the privilege mask for this token */
1870 status = samdb_privilege_setup(ptoken);
1871 if (!NT_STATUS_IS_OK(status)) {
1872 talloc_free(ptoken);
1876 security_token_debug(10, ptoken);
1880 return NT_STATUS_OK;
1884 NTSTATUS samdb_create_foreign_security_principal(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx,
1885 struct dom_sid *sid, struct ldb_dn **ret_dn)
1887 struct ldb_message *msg;
1888 struct ldb_dn *basedn;
1892 sidstr = dom_sid_string(mem_ctx, sid);
1893 NT_STATUS_HAVE_NO_MEMORY(sidstr);
1895 /* We might have to create a ForeignSecurityPrincipal, even if this user
1896 * is in our own domain */
1898 msg = ldb_msg_new(mem_ctx);
1900 return NT_STATUS_NO_MEMORY;
1903 /* TODO: Hmmm. This feels wrong. How do I find the base dn to
1904 * put the ForeignSecurityPrincipals? d_state->domain_dn does
1905 * not work, this is wrong for the Builtin domain, there's no
1906 * cn=For...,cn=Builtin,dc={BASEDN}. -- vl
1909 basedn = samdb_search_dn(sam_ctx, mem_ctx, NULL,
1910 "(&(objectClass=container)(cn=ForeignSecurityPrincipals))");
1912 if (basedn == NULL) {
1913 DEBUG(0, ("Failed to find DN for "
1914 "ForeignSecurityPrincipal container\n"));
1915 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1918 /* add core elements to the ldb_message for the alias */
1919 msg->dn = ldb_dn_copy(mem_ctx, basedn);
1920 if ( ! ldb_dn_add_child_fmt(msg->dn, "CN=%s", sidstr))
1921 return NT_STATUS_NO_MEMORY;
1923 samdb_msg_add_string(sam_ctx, mem_ctx, msg,
1925 "foreignSecurityPrincipal");
1927 /* create the alias */
1928 ret = samdb_add(sam_ctx, mem_ctx, msg);
1930 DEBUG(0,("Failed to create foreignSecurityPrincipal "
1932 ldb_dn_get_linearized(msg->dn),
1933 ldb_errstring(sam_ctx)));
1934 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1937 return NT_STATUS_OK;
1942 Find the DN of a domain, assuming it to be a dotted.dns name
1945 struct ldb_dn *samdb_dns_domain_to_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, const char *dns_domain)
1948 TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
1949 const char *binary_encoded;
1950 const char **split_realm;
1957 split_realm = str_list_make(tmp_ctx, dns_domain, ".");
1959 talloc_free(tmp_ctx);
1962 dn = ldb_dn_new(mem_ctx, ldb, NULL);
1963 for (i=0; split_realm[i]; i++) {
1964 binary_encoded = ldb_binary_encode_string(tmp_ctx, split_realm[i]);
1965 if (!ldb_dn_add_base_fmt(dn, "dc=%s", binary_encoded)) {
1966 DEBUG(2, ("Failed to add dc=%s element to DN %s\n",
1967 binary_encoded, ldb_dn_get_linearized(dn)));
1968 talloc_free(tmp_ctx);
1972 if (!ldb_dn_validate(dn)) {
1973 DEBUG(2, ("Failed to validated DN %s\n",
1974 ldb_dn_get_linearized(dn)));
1980 Find the DN of a domain, be it the netbios or DNS name
1983 struct ldb_dn *samdb_domain_to_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx,
1984 const char *domain_name)
1986 const char * const domain_ref_attrs[] = {
1989 const char * const domain_ref2_attrs[] = {
1992 struct ldb_result *res_domain_ref;
1993 char *escaped_domain = ldb_binary_encode_string(mem_ctx, domain_name);
1994 /* find the domain's DN */
1995 int ret_domain = ldb_search_exp_fmt(ldb, mem_ctx,
1997 samdb_partitions_dn(ldb, mem_ctx),
2000 "(&(nETBIOSName=%s)(objectclass=crossRef))",
2002 if (ret_domain != 0) {
2006 if (res_domain_ref->count == 0) {
2007 ret_domain = ldb_search_exp_fmt(ldb, mem_ctx,
2009 samdb_dns_domain_to_dn(ldb, mem_ctx, domain_name),
2012 "(objectclass=domain)");
2013 if (ret_domain != 0) {
2017 if (res_domain_ref->count == 1) {
2018 return res_domain_ref->msgs[0]->dn;
2023 if (res_domain_ref->count > 1) {
2024 DEBUG(0,("Found %d records matching domain [%s]\n",
2025 ret_domain, domain_name));
2029 return samdb_result_dn(ldb, mem_ctx, res_domain_ref->msgs[0], "nCName", NULL);