2 Unix SMB/CIFS implementation.
4 Copyright (C) 2004-2007, Jelmer Vernooij, jelmer@samba.org
5 Copyright (C) 2008 Matthias Dieter Wallnöfer, mwallnoefer@yahoo.de
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>.
23 #include "lib/ldb/include/ldb.h"
24 #include "lib/ldb/include/ldb_errors.h"
26 #include "librpc/gen_ndr/winreg.h"
27 #include "param/param.h"
29 static struct hive_operations reg_backend_ldb
;
34 struct ldb_context
*ldb
;
36 struct ldb_message
**subkeys
, **values
;
37 unsigned int subkey_count
, value_count
;
40 static void reg_ldb_unpack_value(TALLOC_CTX
*mem_ctx
,
41 struct ldb_message
*msg
,
42 const char **name
, uint32_t *type
,
45 const struct ldb_val
*val
;
49 *name
= talloc_strdup(mem_ctx
,
50 ldb_msg_find_attr_as_string(msg
, "value",
53 value_type
= ldb_msg_find_attr_as_uint(msg
, "type", 0);
56 val
= ldb_msg_find_ldb_val(msg
, "data");
63 convert_string_talloc(mem_ctx
, CH_UTF8
, CH_UTF16
,
64 val
->data
, val
->length
,
65 (void **)&data
->data
, &data
->length
, false);
74 *data
= data_blob_talloc(mem_ctx
, val
->data
, val
->length
);
82 uint32_t tmp
= strtoul((char *)val
->data
, NULL
, 0);
83 *data
= data_blob_talloc(mem_ctx
, NULL
, 4);
84 SIVAL(data
->data
, 0, tmp
);
89 *data
= data_blob_talloc(mem_ctx
, val
->data
, val
->length
);
94 static struct ldb_message
*reg_ldb_pack_value(struct ldb_context
*ctx
,
97 uint32_t type
, DATA_BLOB data
)
100 struct ldb_message
*msg
= talloc_zero(mem_ctx
, struct ldb_message
);
103 ldb_msg_add_string(msg
, "value", talloc_strdup(mem_ctx
, name
));
108 if (data
.data
[0] != '\0') {
109 convert_string_talloc(mem_ctx
, CH_UTF16
, CH_UTF8
,
112 (void **)&val
.data
, &val
.length
, false);
113 ldb_msg_add_value(msg
, "data", &val
, NULL
);
115 ldb_msg_add_empty(msg
, "data", LDB_FLAG_MOD_DELETE
, NULL
);
121 ldb_msg_add_value(msg
, "data", &data
, NULL
);
123 ldb_msg_add_empty(msg
, "data", LDB_FLAG_MOD_DELETE
, NULL
);
127 ldb_msg_add_string(msg
, "data",
128 talloc_asprintf(mem_ctx
, "0x%x",
129 IVAL(data
.data
, 0)));
132 ldb_msg_add_value(msg
, "data", &data
, NULL
);
136 type_s
= talloc_asprintf(mem_ctx
, "%u", type
);
137 ldb_msg_add_string(msg
, "type", type_s
);
142 static char *reg_ldb_escape(TALLOC_CTX
*mem_ctx
, const char *value
)
146 val
.data
= discard_const_p(uint8_t, value
);
147 val
.length
= strlen(value
);
149 return ldb_dn_escape_value(mem_ctx
, val
);
152 static int reg_close_ldb_key(struct ldb_key_data
*key
)
154 if (key
->subkeys
!= NULL
) {
155 talloc_free(key
->subkeys
);
159 if (key
->values
!= NULL
) {
160 talloc_free(key
->values
);
166 static struct ldb_dn
*reg_path_to_ldb(TALLOC_CTX
*mem_ctx
,
167 const struct hive_key
*from
,
168 const char *path
, const char *add
)
170 TALLOC_CTX
*local_ctx
;
172 char *mypath
= talloc_strdup(mem_ctx
, path
);
174 struct ldb_key_data
*kd
= talloc_get_type(from
, struct ldb_key_data
);
175 struct ldb_context
*ldb
= kd
->ldb
;
177 local_ctx
= talloc_new(mem_ctx
);
180 ret
= ldb_dn_new(mem_ctx
, ldb
, add
);
182 ret
= ldb_dn_new(mem_ctx
, ldb
, NULL
);
184 if (!ldb_dn_validate(ret
)) {
186 talloc_free(local_ctx
);
193 begin
= strrchr(mypath
, '\\');
195 if (begin
) keyname
= begin
+ 1;
196 else keyname
= mypath
;
198 if(strlen(keyname
)) {
199 if (!ldb_dn_add_base_fmt(ret
, "key=%s",
200 reg_ldb_escape(local_ctx
,
203 talloc_free(local_ctx
);
215 ldb_dn_add_base(ret
, kd
->dn
);
217 talloc_free(local_ctx
);
222 static WERROR
cache_subkeys(struct ldb_key_data
*kd
)
224 struct ldb_context
*c
= kd
->ldb
;
225 struct ldb_result
*res
;
228 ret
= ldb_search(c
, c
, &res
, kd
->dn
, LDB_SCOPE_ONELEVEL
, NULL
, "(key=*)");
230 if (ret
!= LDB_SUCCESS
) {
231 DEBUG(0, ("Error getting subkeys for '%s': %s\n",
232 ldb_dn_get_linearized(kd
->dn
), ldb_errstring(c
)));
236 kd
->subkey_count
= res
->count
;
237 kd
->subkeys
= talloc_steal(kd
, res
->msgs
);
243 static WERROR
cache_values(struct ldb_key_data
*kd
)
245 struct ldb_context
*c
= kd
->ldb
;
246 struct ldb_result
*res
;
249 ret
= ldb_search(c
, c
, &res
, kd
->dn
, LDB_SCOPE_ONELEVEL
,
252 if (ret
!= LDB_SUCCESS
) {
253 DEBUG(0, ("Error getting values for '%s': %s\n",
254 ldb_dn_get_linearized(kd
->dn
), ldb_errstring(c
)));
258 kd
->value_count
= res
->count
;
259 kd
->values
= talloc_steal(kd
, res
->msgs
);
266 static WERROR
ldb_get_subkey_by_id(TALLOC_CTX
*mem_ctx
,
267 const struct hive_key
*k
, uint32_t idx
,
269 const char **classname
,
270 NTTIME
*last_mod_time
)
272 struct ldb_message_element
*el
;
273 struct ldb_key_data
*kd
= talloc_get_type(k
, struct ldb_key_data
);
278 if (classname
!= NULL
)
279 *classname
= NULL
; /* TODO: Store properly */
280 if (last_mod_time
!= NULL
)
281 *last_mod_time
= 0; /* TODO: we need to add this to the
282 ldb backend properly */
284 /* Do a search if necessary */
285 if (kd
->subkeys
== NULL
) {
286 W_ERROR_NOT_OK_RETURN(cache_subkeys(kd
));
289 if (idx
>= kd
->subkey_count
)
290 return WERR_NO_MORE_ITEMS
;
292 el
= ldb_msg_find_element(kd
->subkeys
[idx
], "key");
293 SMB_ASSERT(el
!= NULL
);
294 SMB_ASSERT(el
->num_values
!= 0);
297 *name
= talloc_strdup(mem_ctx
, (char *)el
->values
[0].data
);
302 static WERROR
ldb_get_default_value(TALLOC_CTX
*mem_ctx
, struct hive_key
*k
,
303 const char **name
, uint32_t *data_type
,
306 struct ldb_key_data
*kd
= talloc_get_type(k
, struct ldb_key_data
);
307 struct ldb_context
*c
= kd
->ldb
;
308 const char* attrs
[] = { "data", "type", NULL
};
309 struct ldb_result
*res
;
312 ret
= ldb_search(c
, mem_ctx
, &res
, kd
->dn
, LDB_SCOPE_BASE
, attrs
, "%s", "");
314 if (ret
!= LDB_SUCCESS
) {
315 DEBUG(0, ("Error getting default value for '%s': %s\n",
316 ldb_dn_get_linearized(kd
->dn
), ldb_errstring(c
)));
320 if (res
->count
== 0 || res
->msgs
[0]->num_elements
== 0)
323 reg_ldb_unpack_value(mem_ctx
,
324 res
->msgs
[0], name
, data_type
, data
);
331 static WERROR
ldb_get_value_by_id(TALLOC_CTX
*mem_ctx
, struct hive_key
*k
,
332 uint32_t idx
, const char **name
,
333 uint32_t *data_type
, DATA_BLOB
*data
)
335 struct ldb_key_data
*kd
= talloc_get_type(k
, struct ldb_key_data
);
337 /* if default value exists, give it back */
338 if (W_ERROR_IS_OK(ldb_get_default_value(mem_ctx
, k
, name
, data_type
,
346 /* Do the search if necessary */
347 if (kd
->values
== NULL
) {
348 W_ERROR_NOT_OK_RETURN(cache_values(kd
));
351 if (idx
>= kd
->value_count
)
352 return WERR_NO_MORE_ITEMS
;
354 reg_ldb_unpack_value(mem_ctx
, kd
->values
[idx
], name
, data_type
, data
);
359 static WERROR
ldb_get_value(TALLOC_CTX
*mem_ctx
, struct hive_key
*k
,
360 const char *name
, uint32_t *data_type
,
363 struct ldb_key_data
*kd
= talloc_get_type(k
, struct ldb_key_data
);
364 struct ldb_context
*c
= kd
->ldb
;
365 struct ldb_result
*res
;
369 if (strlen(name
) == 0) {
371 return ldb_get_default_value(mem_ctx
, k
, NULL
, data_type
, data
);
374 query
= talloc_asprintf(mem_ctx
, "(value=%s)", name
);
375 ret
= ldb_search(c
, mem_ctx
, &res
, kd
->dn
, LDB_SCOPE_ONELEVEL
, NULL
, "%s", query
);
378 if (ret
!= LDB_SUCCESS
) {
379 DEBUG(0, ("Error getting values for '%s': %s\n",
380 ldb_dn_get_linearized(kd
->dn
), ldb_errstring(c
)));
387 reg_ldb_unpack_value(mem_ctx
, res
->msgs
[0], NULL
, data_type
, data
);
395 static WERROR
ldb_open_key(TALLOC_CTX
*mem_ctx
, const struct hive_key
*h
,
396 const char *name
, struct hive_key
**key
)
398 struct ldb_result
*res
;
399 struct ldb_dn
*ldap_path
;
401 struct ldb_key_data
*newkd
;
402 struct ldb_key_data
*kd
= talloc_get_type(h
, struct ldb_key_data
);
403 struct ldb_context
*c
= kd
->ldb
;
405 ldap_path
= reg_path_to_ldb(mem_ctx
, h
, name
, NULL
);
407 ret
= ldb_search(c
, mem_ctx
, &res
, ldap_path
, LDB_SCOPE_BASE
, NULL
, "(key=*)");
409 if (ret
!= LDB_SUCCESS
) {
410 DEBUG(3, ("Error opening key '%s': %s\n",
411 ldb_dn_get_linearized(ldap_path
), ldb_errstring(c
)));
413 } else if (res
->count
== 0) {
414 DEBUG(3, ("Key '%s' not found\n",
415 ldb_dn_get_linearized(ldap_path
)));
420 newkd
= talloc_zero(mem_ctx
, struct ldb_key_data
);
421 newkd
->key
.ops
= ®_backend_ldb
;
422 newkd
->ldb
= talloc_reference(newkd
, kd
->ldb
);
423 newkd
->dn
= ldb_dn_copy(mem_ctx
, res
->msgs
[0]->dn
);
425 *key
= (struct hive_key
*)newkd
;
430 WERROR
reg_open_ldb_file(TALLOC_CTX
*parent_ctx
, const char *location
,
431 struct auth_session_info
*session_info
,
432 struct cli_credentials
*credentials
,
433 struct tevent_context
*ev_ctx
,
434 struct loadparm_context
*lp_ctx
,
437 struct ldb_key_data
*kd
;
438 struct ldb_context
*wrap
;
439 struct ldb_message
*attrs_msg
;
441 if (location
== NULL
)
442 return WERR_INVALID_PARAM
;
444 wrap
= ldb_wrap_connect(parent_ctx
, ev_ctx
, lp_ctx
,
445 location
, session_info
, credentials
, 0);
448 DEBUG(1, (__FILE__
": unable to connect\n"));
452 attrs_msg
= ldb_msg_new(wrap
);
453 W_ERROR_HAVE_NO_MEMORY(attrs_msg
);
454 attrs_msg
->dn
= ldb_dn_new(attrs_msg
, wrap
, "@ATTRIBUTES");
455 W_ERROR_HAVE_NO_MEMORY(attrs_msg
->dn
);
456 ldb_msg_add_string(attrs_msg
, "key", "CASE_INSENSITIVE");
457 ldb_msg_add_string(attrs_msg
, "value", "CASE_INSENSITIVE");
459 ldb_add(wrap
, attrs_msg
);
461 ldb_set_debug_stderr(wrap
);
463 kd
= talloc_zero(parent_ctx
, struct ldb_key_data
);
464 kd
->key
.ops
= ®_backend_ldb
;
465 kd
->ldb
= talloc_reference(kd
, wrap
);
466 talloc_set_destructor (kd
, reg_close_ldb_key
);
467 kd
->dn
= ldb_dn_new(kd
, wrap
, "hive=NONE");
469 *k
= (struct hive_key
*)kd
;
474 static WERROR
ldb_add_key(TALLOC_CTX
*mem_ctx
, const struct hive_key
*parent
,
475 const char *name
, const char *classname
,
476 struct security_descriptor
*sd
,
477 struct hive_key
**newkey
)
479 struct ldb_key_data
*parentkd
= discard_const_p(struct ldb_key_data
, parent
);
480 struct ldb_message
*msg
;
481 struct ldb_key_data
*newkd
;
484 msg
= ldb_msg_new(mem_ctx
);
486 msg
->dn
= reg_path_to_ldb(msg
, parent
, name
, NULL
);
488 ldb_msg_add_string(msg
, "key", talloc_strdup(mem_ctx
, name
));
489 if (classname
!= NULL
)
490 ldb_msg_add_string(msg
, "classname",
491 talloc_strdup(mem_ctx
, classname
));
493 ret
= ldb_add(parentkd
->ldb
, msg
);
494 if (ret
== LDB_ERR_ENTRY_ALREADY_EXISTS
) {
495 return WERR_ALREADY_EXISTS
;
498 if (ret
!= LDB_SUCCESS
) {
499 DEBUG(1, ("ldb_add: %s\n", ldb_errstring(parentkd
->ldb
)));
503 DEBUG(2, ("key added: %s\n", ldb_dn_get_linearized(msg
->dn
)));
505 newkd
= talloc_zero(mem_ctx
, struct ldb_key_data
);
506 newkd
->ldb
= talloc_reference(newkd
, parentkd
->ldb
);
507 newkd
->key
.ops
= ®_backend_ldb
;
508 newkd
->dn
= talloc_steal(newkd
, msg
->dn
);
510 *newkey
= (struct hive_key
*)newkd
;
513 talloc_free(parentkd
->subkeys
);
514 parentkd
->subkeys
= NULL
;
519 static WERROR
ldb_del_value (struct hive_key
*key
, const char *child
)
522 struct ldb_key_data
*kd
= talloc_get_type(key
, struct ldb_key_data
);
524 struct ldb_message
*msg
;
525 struct ldb_dn
*childdn
;
527 if (strlen(child
) == 0) {
529 mem_ctx
= talloc_init("ldb_del_value");
531 msg
= talloc_zero(mem_ctx
, struct ldb_message
);
532 msg
->dn
= ldb_dn_copy(msg
, kd
->dn
);
533 ldb_msg_add_empty(msg
, "data", LDB_FLAG_MOD_DELETE
, NULL
);
534 ldb_msg_add_empty(msg
, "type", LDB_FLAG_MOD_DELETE
, NULL
);
536 ret
= ldb_modify(kd
->ldb
, msg
);
537 if (ret
!= LDB_SUCCESS
) {
538 DEBUG(1, ("ldb_del_value: %s\n", ldb_errstring(kd
->ldb
)));
539 talloc_free(mem_ctx
);
543 talloc_free(mem_ctx
);
546 childdn
= ldb_dn_copy(kd
->ldb
, kd
->dn
);
547 if (!ldb_dn_add_child_fmt(childdn
, "value=%s",
548 reg_ldb_escape(childdn
, child
)))
550 talloc_free(childdn
);
554 ret
= ldb_delete(kd
->ldb
, childdn
);
556 talloc_free(childdn
);
558 if (ret
== LDB_ERR_NO_SUCH_OBJECT
) {
560 } else if (ret
!= LDB_SUCCESS
) {
561 DEBUG(1, ("ldb_del_value: %s\n", ldb_errstring(kd
->ldb
)));
567 talloc_free(kd
->values
);
573 static WERROR
ldb_del_key(const struct hive_key
*key
, const char *name
)
577 struct ldb_key_data
*parentkd
= talloc_get_type(key
, struct ldb_key_data
);
578 struct ldb_dn
*ldap_path
;
579 TALLOC_CTX
*mem_ctx
= talloc_init("ldb_del_key");
580 struct ldb_context
*c
= parentkd
->ldb
;
581 struct ldb_result
*res_keys
;
582 struct ldb_result
*res_vals
;
586 /* Verify key exists by opening it */
587 werr
= ldb_open_key(mem_ctx
, key
, name
, &hk
);
588 if (!W_ERROR_IS_OK(werr
)) {
589 talloc_free(mem_ctx
);
593 ldap_path
= reg_path_to_ldb(mem_ctx
, key
, name
, NULL
);
595 talloc_free(mem_ctx
);
599 /* Search for subkeys */
600 ret
= ldb_search(c
, mem_ctx
, &res_keys
, ldap_path
, LDB_SCOPE_ONELEVEL
,
603 if (ret
!= LDB_SUCCESS
) {
604 DEBUG(0, ("Error getting subkeys for '%s': %s\n",
605 ldb_dn_get_linearized(ldap_path
), ldb_errstring(c
)));
606 talloc_free(mem_ctx
);
610 /* Search for values */
611 ret
= ldb_search(c
, mem_ctx
, &res_vals
, ldap_path
, LDB_SCOPE_ONELEVEL
,
614 if (ret
!= LDB_SUCCESS
) {
615 DEBUG(0, ("Error getting values for '%s': %s\n",
616 ldb_dn_get_linearized(ldap_path
), ldb_errstring(c
)));
617 talloc_free(mem_ctx
);
621 /* Start an explicit transaction */
622 ret
= ldb_transaction_start(c
);
624 if (ret
!= LDB_SUCCESS
) {
625 DEBUG(0, ("ldb_transaction_start: %s\n", ldb_errstring(c
)));
626 talloc_free(mem_ctx
);
630 if (res_keys
->count
|| res_vals
->count
)
632 /* Delete any subkeys */
633 for (i
= 0; i
< res_keys
->count
; i
++)
635 werr
= ldb_del_key(hk
, ldb_msg_find_attr_as_string(
638 if (!W_ERROR_IS_OK(werr
)) {
639 ret
= ldb_transaction_cancel(c
);
640 talloc_free(mem_ctx
);
645 /* Delete any values */
646 for (i
= 0; i
< res_vals
->count
; i
++)
648 werr
= ldb_del_value(hk
, ldb_msg_find_attr_as_string(
651 if (!W_ERROR_IS_OK(werr
)) {
652 ret
= ldb_transaction_cancel(c
);
653 talloc_free(mem_ctx
);
659 /* Delete the key itself */
660 ret
= ldb_delete(c
, ldap_path
);
662 if (ret
!= LDB_SUCCESS
)
664 DEBUG(1, ("ldb_del_key: %s\n", ldb_errstring(c
)));
665 ret
= ldb_transaction_cancel(c
);
666 talloc_free(mem_ctx
);
670 /* Commit the transaction */
671 ret
= ldb_transaction_commit(c
);
673 if (ret
!= LDB_SUCCESS
)
675 DEBUG(0, ("ldb_transaction_commit: %s\n", ldb_errstring(c
)));
676 ret
= ldb_transaction_cancel(c
);
677 talloc_free(mem_ctx
);
681 talloc_free(mem_ctx
);
684 talloc_free(parentkd
->subkeys
);
685 parentkd
->subkeys
= NULL
;
690 static WERROR
ldb_set_value(struct hive_key
*parent
,
691 const char *name
, uint32_t type
,
692 const DATA_BLOB data
)
694 struct ldb_message
*msg
;
695 struct ldb_key_data
*kd
= talloc_get_type(parent
, struct ldb_key_data
);
697 TALLOC_CTX
*mem_ctx
= talloc_init("ldb_set_value");
699 msg
= reg_ldb_pack_value(kd
->ldb
, mem_ctx
, name
, type
, data
);
700 msg
->dn
= ldb_dn_copy(msg
, kd
->dn
);
702 if (strlen(name
) > 0) {
703 /* For a default value, we add/overwrite the attributes to/of the hive.
704 For a normal value, we create a new child. */
705 if (!ldb_dn_add_child_fmt(msg
->dn
, "value=%s",
706 reg_ldb_escape(mem_ctx
, name
)))
708 talloc_free(mem_ctx
);
713 ret
= ldb_add(kd
->ldb
, msg
);
714 if (ret
== LDB_ERR_ENTRY_ALREADY_EXISTS
) {
716 for (i
= 0; i
< msg
->num_elements
; i
++) {
717 if (msg
->elements
[i
].flags
!= LDB_FLAG_MOD_DELETE
)
718 msg
->elements
[i
].flags
= LDB_FLAG_MOD_REPLACE
;
720 ret
= ldb_modify(kd
->ldb
, msg
);
723 if (ret
!= LDB_SUCCESS
) {
724 DEBUG(1, ("ldb_set_value: %s\n", ldb_errstring(kd
->ldb
)));
725 talloc_free(mem_ctx
);
730 talloc_free(kd
->values
);
733 talloc_free(mem_ctx
);
737 static WERROR
ldb_get_key_info(TALLOC_CTX
*mem_ctx
,
738 const struct hive_key
*key
,
739 const char **classname
,
740 uint32_t *num_subkeys
,
741 uint32_t *num_values
,
742 NTTIME
*last_change_time
,
743 uint32_t *max_subkeynamelen
,
744 uint32_t *max_valnamelen
,
745 uint32_t *max_valbufsize
)
747 struct ldb_key_data
*kd
= talloc_get_type(key
, struct ldb_key_data
);
750 if (classname
!= NULL
)
752 if (num_subkeys
!= NULL
)
754 if (num_values
!= NULL
)
756 if (last_change_time
!= NULL
)
757 *last_change_time
= 0;
758 if (max_subkeynamelen
!= NULL
)
759 *max_subkeynamelen
= 0;
760 if (max_valnamelen
!= NULL
)
762 if (max_valbufsize
!= NULL
)
765 if (kd
->subkeys
== NULL
) {
766 W_ERROR_NOT_OK_RETURN(cache_subkeys(kd
));
769 if (kd
->values
== NULL
) {
770 W_ERROR_NOT_OK_RETURN(cache_values(kd
));
773 if (num_subkeys
!= NULL
) {
774 *num_subkeys
= kd
->subkey_count
;
776 if (num_values
!= NULL
) {
777 *num_values
= kd
->value_count
;
781 if (max_subkeynamelen
!= NULL
) {
783 struct ldb_message_element
*el
;
785 *max_subkeynamelen
= 0;
787 for (i
= 0; i
< kd
->subkey_count
; i
++) {
788 el
= ldb_msg_find_element(kd
->subkeys
[i
], "key");
789 *max_subkeynamelen
= MAX(*max_subkeynamelen
, el
->values
[0].length
);
793 if (max_valnamelen
!= NULL
|| max_valbufsize
!= NULL
) {
795 struct ldb_message_element
*el
;
796 W_ERROR_NOT_OK_RETURN(cache_values(kd
));
798 if (max_valbufsize
!= NULL
)
801 if (max_valnamelen
!= NULL
)
804 for (i
= 0; i
< kd
->value_count
; i
++) {
805 if (max_valnamelen
!= NULL
) {
806 el
= ldb_msg_find_element(kd
->values
[i
], "value");
807 *max_valnamelen
= MAX(*max_valnamelen
, el
->values
[0].length
);
810 if (max_valbufsize
!= NULL
) {
813 reg_ldb_unpack_value(mem_ctx
,
816 *max_valbufsize
= MAX(*max_valbufsize
, data
.length
);
817 talloc_free(data
.data
);
825 static struct hive_operations reg_backend_ldb
= {
827 .add_key
= ldb_add_key
,
828 .del_key
= ldb_del_key
,
829 .get_key_by_name
= ldb_open_key
,
830 .enum_value
= ldb_get_value_by_id
,
831 .enum_key
= ldb_get_subkey_by_id
,
832 .set_value
= ldb_set_value
,
833 .get_value_by_name
= ldb_get_value
,
834 .delete_value
= ldb_del_value
,
835 .get_key_info
= ldb_get_key_info
,