2 * Unix SMB/CIFS implementation.
3 * Virtual Windows Registry Layer
4 * Copyright (C) Gerald Carter 2002-2005
5 * Copyright (C) Michael Adam 2007-2011
6 * Copyright (C) Gregor Beck 2011
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 3 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, see <http://www.gnu.org/licenses/>.
22 /* Implementation of internal registry database functions. */
25 #include "system/filesys.h"
28 #include "reg_util_internal.h"
29 #include "reg_backend_db.h"
30 #include "reg_objects.h"
31 #include "nt_printing.h"
33 #include "dbwrap/dbwrap.h"
34 #include "dbwrap/dbwrap_open.h"
35 #include "../libcli/security/secdesc.h"
38 #define DBGC_CLASS DBGC_REGISTRY
40 #define REGDB_VERSION_KEYNAME "INFO/version"
42 static struct db_context
*regdb
= NULL
;
43 static int regdb_refcount
;
45 static bool regdb_key_exists(struct db_context
*db
, const char *key
);
46 static WERROR
regdb_fetch_keys_internal(struct db_context
*db
, const char *key
,
47 struct regsubkey_ctr
*ctr
);
48 static bool regdb_store_keys_internal(struct db_context
*db
, const char *key
,
49 struct regsubkey_ctr
*ctr
);
50 static int regdb_fetch_values_internal(struct db_context
*db
, const char* key
,
51 struct regval_ctr
*values
);
52 static NTSTATUS
regdb_store_values_internal(struct db_context
*db
, const char *key
,
53 struct regval_ctr
*values
);
54 static WERROR
regdb_store_subkey_list(struct db_context
*db
, const char *parent
,
57 static WERROR
regdb_create_basekey(struct db_context
*db
, const char *key
);
58 static WERROR
regdb_create_subkey_internal(struct db_context
*db
,
63 struct regdb_trans_ctx
{
64 NTSTATUS (*action
)(struct db_context
*, void *);
68 static NTSTATUS
regdb_trans_do_action(struct db_context
*db
, void *private_data
)
72 struct regdb_trans_ctx
*ctx
= (struct regdb_trans_ctx
*)private_data
;
74 version_id
= dbwrap_fetch_int32(db
, REGDB_VERSION_KEYNAME
);
76 if (version_id
!= REGDB_CODE_VERSION
) {
77 DEBUG(0, ("ERROR: changed registry version %d found while "
78 "trying to write to the registry. Version %d "
79 "expected. Denying access.\n",
80 version_id
, REGDB_CODE_VERSION
));
81 return NT_STATUS_ACCESS_DENIED
;
84 status
= ctx
->action(db
, ctx
->private_data
);
88 static WERROR
regdb_trans_do(struct db_context
*db
,
89 NTSTATUS (*action
)(struct db_context
*, void *),
93 struct regdb_trans_ctx ctx
;
97 ctx
.private_data
= private_data
;
99 status
= dbwrap_trans_do(db
, regdb_trans_do_action
, &ctx
);
101 return ntstatus_to_werror(status
);
104 /* List the deepest path into the registry. All part components will be created.*/
106 /* If you want to have a part of the path controlled by the tdb and part by
107 a virtual registry db (e.g. printing), then you have to list the deepest path.
108 For example,"HKLM/SOFTWARE/Microsoft/Windows NT/CurrentVersion/Print"
109 allows the reg_db backend to handle everything up to
110 "HKLM/SOFTWARE/Microsoft/Windows NT/CurrentVersion" and then we'll hook
111 the reg_printing backend onto the last component of the path (see
112 KEY_PRINTING_2K in include/rpc_reg.h) --jerry */
114 static const char *builtin_registry_paths
[] = {
118 KEY_PRINTING
"\\Forms",
119 KEY_PRINTING
"\\Printers",
120 KEY_PRINTING
"\\Environments\\Windows NT x86\\Print Processors\\winprint",
127 KEY_SAMBA_GROUP_POLICY
,
128 KEY_GP_MACHINE_POLICY
,
129 KEY_GP_MACHINE_WIN_POLICY
,
132 KEY_GP_USER_WIN_POLICY
,
133 "HKLM\\Software\\Microsoft\\Windows NT\\CurrentVersion\\Winlogon\\GPExtensions",
134 "HKLM\\SYSTEM\\CurrentControlSet\\Control\\Print\\Monitors",
136 "HKLM\\SYSTEM\\CurrentControlSet\\Control\\Terminal Server\\DefaultUserConfiguration",
145 struct builtin_regkey_value
{
147 const char *valuename
;
155 static struct builtin_regkey_value builtin_registry_values
[] = {
156 { KEY_PRINTING_PORTS
,
157 SAMBA_PRINTER_PORT_NAME
, REG_SZ
, { "" } },
159 "DefaultSpoolDirectory", REG_SZ
, { "C:\\Windows\\System32\\Spool\\Printers" } },
161 "DisplayName", REG_SZ
, { "Event Log" } },
163 "ErrorControl", REG_DWORD
, { (char*)0x00000001 } },
164 { NULL
, NULL
, 0, { NULL
} }
167 static WERROR
create_key_recursive(struct db_context
*db
,
174 if (subkey
== NULL
) {
175 return WERR_INVALID_PARAM
;
179 return regdb_create_basekey(db
, subkey
);
182 p
= strrchr_m(path
, '\\');
185 werr
= create_key_recursive(db
, NULL
, path
);
188 werr
= create_key_recursive(db
, path
, p
+1);
192 if (!W_ERROR_IS_OK(werr
)) {
196 werr
= regdb_create_subkey_internal(db
, path
, subkey
);
203 * Initialize a key in the registry:
204 * create each component key of the specified path.
206 static WERROR
init_registry_key_internal(struct db_context
*db
,
207 const char *add_path
)
211 TALLOC_CTX
*frame
= talloc_stackframe();
213 if (add_path
== NULL
) {
214 werr
= WERR_INVALID_PARAM
;
218 key
= talloc_strdup(frame
, add_path
);
220 subkey
= strrchr_m(key
, '\\');
221 if (subkey
== NULL
) {
229 werr
= create_key_recursive(db
, key
, subkey
);
236 struct init_registry_key_context
{
237 const char *add_path
;
240 static NTSTATUS
init_registry_key_action(struct db_context
*db
,
243 struct init_registry_key_context
*init_ctx
=
244 (struct init_registry_key_context
*)private_data
;
246 return werror_to_ntstatus(init_registry_key_internal(
247 db
, init_ctx
->add_path
));
251 * Initialize a key in the registry:
252 * create each component key of the specified path,
253 * wrapped in one db transaction.
255 WERROR
init_registry_key(const char *add_path
)
257 struct init_registry_key_context init_ctx
;
259 if (regdb_key_exists(regdb
, add_path
)) {
263 init_ctx
.add_path
= add_path
;
265 return regdb_trans_do(regdb
,
266 init_registry_key_action
,
270 /***********************************************************************
271 Open the registry data in the tdb
272 ***********************************************************************/
274 static void regdb_ctr_add_value(struct regval_ctr
*ctr
,
275 struct builtin_regkey_value
*value
)
277 switch(value
->type
) {
279 regval_ctr_addvalue(ctr
, value
->valuename
, REG_DWORD
,
280 (uint8_t *)&value
->data
.dw_value
,
285 regval_ctr_addvalue_sz(ctr
, value
->valuename
,
290 DEBUG(0, ("regdb_ctr_add_value: invalid value type in "
291 "registry values [%d]\n", value
->type
));
295 static NTSTATUS
init_registry_data_action(struct db_context
*db
,
299 TALLOC_CTX
*frame
= talloc_stackframe();
300 struct regval_ctr
*values
;
303 /* loop over all of the predefined paths and add each component */
305 for (i
=0; builtin_registry_paths
[i
] != NULL
; i
++) {
306 if (regdb_key_exists(db
, builtin_registry_paths
[i
])) {
309 status
= werror_to_ntstatus(init_registry_key_internal(db
,
310 builtin_registry_paths
[i
]));
311 if (!NT_STATUS_IS_OK(status
)) {
316 /* loop over all of the predefined values and add each component */
318 for (i
=0; builtin_registry_values
[i
].path
!= NULL
; i
++) {
321 werr
= regval_ctr_init(frame
, &values
);
322 if (!W_ERROR_IS_OK(werr
)) {
323 status
= werror_to_ntstatus(werr
);
327 regdb_fetch_values_internal(db
,
328 builtin_registry_values
[i
].path
,
331 /* preserve existing values across restarts. Only add new ones */
333 if (!regval_ctr_key_exists(values
,
334 builtin_registry_values
[i
].valuename
))
336 regdb_ctr_add_value(values
,
337 &builtin_registry_values
[i
]);
338 status
= regdb_store_values_internal(db
,
339 builtin_registry_values
[i
].path
,
341 if (!NT_STATUS_IS_OK(status
)) {
348 status
= NT_STATUS_OK
;
356 WERROR
init_registry_data(void)
359 TALLOC_CTX
*frame
= talloc_stackframe();
360 struct regval_ctr
*values
;
364 * First, check for the existence of the needed keys and values.
365 * If all do already exist, we can save the writes.
367 for (i
=0; builtin_registry_paths
[i
] != NULL
; i
++) {
368 if (!regdb_key_exists(regdb
, builtin_registry_paths
[i
])) {
373 for (i
=0; builtin_registry_values
[i
].path
!= NULL
; i
++) {
374 werr
= regval_ctr_init(frame
, &values
);
375 W_ERROR_NOT_OK_GOTO_DONE(werr
);
377 regdb_fetch_values_internal(regdb
,
378 builtin_registry_values
[i
].path
,
380 if (!regval_ctr_key_exists(values
,
381 builtin_registry_values
[i
].valuename
))
396 * There are potentially quite a few store operations which are all
397 * indiviually wrapped in tdb transactions. Wrapping them in a single
398 * transaction gives just a single transaction_commit() to actually do
399 * its fsync()s. See tdb/common/transaction.c for info about nested
400 * transaction behaviour.
403 werr
= regdb_trans_do(regdb
,
404 init_registry_data_action
,
412 static int regdb_normalize_keynames_fn(struct db_record
*rec
,
415 TALLOC_CTX
*mem_ctx
= talloc_tos();
418 struct db_context
*db
= (struct db_context
*)private_data
;
420 if (rec
->key
.dptr
== NULL
|| rec
->key
.dsize
== 0) {
425 DEBUG(0, ("regdb_normalize_keynames_fn: ERROR: "
426 "NULL db context handed in via private_data\n"));
430 if (strncmp((const char *)rec
->key
.dptr
, REGDB_VERSION_KEYNAME
,
431 strlen(REGDB_VERSION_KEYNAME
)) == 0)
436 keyname
= strchr((const char *) rec
->key
.dptr
, '/');
438 keyname
= talloc_string_sub(mem_ctx
,
439 (const char *) rec
->key
.dptr
,
443 DEBUG(2, ("regdb_normalize_keynames_fn: Convert %s to %s\n",
444 (const char *) rec
->key
.dptr
,
447 /* Delete the original record and store the normalized key */
448 status
= rec
->delete_rec(rec
);
449 if (!NT_STATUS_IS_OK(status
)) {
450 DEBUG(0,("regdb_normalize_keynames_fn: "
451 "tdb_delete for [%s] failed!\n",
456 status
= dbwrap_store_bystring(db
, keyname
, rec
->value
,
458 if (!NT_STATUS_IS_OK(status
)) {
459 DEBUG(0,("regdb_normalize_keynames_fn: "
460 "failed to store new record for [%s]!\n",
469 static WERROR
regdb_store_regdb_version(struct db_context
*db
, uint32_t version
)
473 return WERR_CAN_NOT_COMPLETE
;
476 status
= dbwrap_trans_store_int32(db
, REGDB_VERSION_KEYNAME
, version
);
477 if (!NT_STATUS_IS_OK(status
)) {
478 DEBUG(1, ("regdb_store_regdb_version: error storing %s = %d: %s\n",
479 REGDB_VERSION_KEYNAME
, version
, nt_errstr(status
)));
480 return ntstatus_to_werror(status
);
482 DEBUG(10, ("regdb_store_regdb_version: stored %s = %d\n",
483 REGDB_VERSION_KEYNAME
, version
));
488 static WERROR
regdb_upgrade_v1_to_v2(struct db_context
*db
)
494 mem_ctx
= talloc_stackframe();
496 rc
= db
->traverse(db
, regdb_normalize_keynames_fn
, db
);
498 talloc_free(mem_ctx
);
501 return WERR_REG_IO_FAILURE
;
504 werr
= regdb_store_regdb_version(db
, REGDB_VERSION_V2
);
508 static int regdb_upgrade_v2_to_v3_fn(struct db_record
*rec
, void *private_data
)
515 uint32_t buflen
, len
;
518 struct db_context
*db
= (struct db_context
*)private_data
;
520 if (rec
->key
.dptr
== NULL
|| rec
->key
.dsize
== 0) {
525 DEBUG(0, ("regdb_upgrade_v2_to_v3_fn: ERROR: "
526 "NULL db context handed in via private_data\n"));
530 keyname
= (const char *)rec
->key
.dptr
;
532 if (strncmp(keyname
, REGDB_VERSION_KEYNAME
,
533 strlen(REGDB_VERSION_KEYNAME
)) == 0)
538 if (strncmp(keyname
, REG_SORTED_SUBKEYS_PREFIX
,
539 strlen(REG_SORTED_SUBKEYS_PREFIX
)) == 0)
541 /* Delete the deprecated sorted subkeys cache. */
543 DEBUG(10, ("regdb_upgrade_v2_to_v3: deleting [%s]\n", keyname
));
545 status
= rec
->delete_rec(rec
);
546 if (!NT_STATUS_IS_OK(status
)) {
547 DEBUG(0, ("regdb_upgrade_v2_to_v3: tdb_delete for [%s] "
548 "failed!\n", keyname
));
555 if (strncmp(keyname
, REG_VALUE_PREFIX
, strlen(REG_VALUE_PREFIX
)) == 0) {
556 DEBUG(10, ("regdb_upgrade_v2_to_v3: skipping [%s]\n", keyname
));
560 if (strncmp(keyname
, REG_SECDESC_PREFIX
,
561 strlen(REG_SECDESC_PREFIX
)) == 0)
563 DEBUG(10, ("regdb_upgrade_v2_to_v3: skipping [%s]\n", keyname
));
568 * Found a regular subkey list record.
569 * Walk the list and create the list record for those
570 * subkeys that don't already have one.
572 DEBUG(10, ("regdb_upgrade_v2_to_v3: scanning subkey list of [%s]\n",
575 buf
= rec
->value
.dptr
;
576 buflen
= rec
->value
.dsize
;
578 len
= tdb_unpack(buf
, buflen
, "d", &num_items
);
579 if (len
== (uint32_t)-1) {
580 /* invalid or empty - skip */
584 for (i
=0; i
<num_items
; i
++) {
585 len
+= tdb_unpack(buf
+len
, buflen
-len
, "f", subkeyname
);
586 DEBUG(10, ("regdb_upgrade_v2_to_v3: "
587 "writing subkey list for [%s\\%s]\n",
588 keyname
, subkeyname
));
589 werr
= regdb_store_subkey_list(db
, keyname
, subkeyname
);
590 if (!W_ERROR_IS_OK(werr
)) {
598 static WERROR
regdb_upgrade_v2_to_v3(struct db_context
*db
)
603 rc
= regdb
->traverse(db
, regdb_upgrade_v2_to_v3_fn
, db
);
605 werr
= WERR_REG_IO_FAILURE
;
609 werr
= regdb_store_regdb_version(db
, REGDB_VERSION_V3
);
615 /***********************************************************************
616 Open the registry database
617 ***********************************************************************/
619 WERROR
regdb_init(void)
625 DEBUG(10, ("regdb_init: incrementing refcount (%d->%d)\n",
626 regdb_refcount
, regdb_refcount
+1));
631 regdb
= db_open(NULL
, state_path("registry.tdb"), 0,
632 REG_TDB_FLAGS
, O_RDWR
, 0600);
634 regdb
= db_open(NULL
, state_path("registry.tdb"), 0,
635 REG_TDB_FLAGS
, O_RDWR
|O_CREAT
, 0600);
637 werr
= ntstatus_to_werror(map_nt_error_from_unix(errno
));
638 DEBUG(1,("regdb_init: Failed to open registry %s (%s)\n",
639 state_path("registry.tdb"), strerror(errno
) ));
643 DEBUG(10,("regdb_init: Successfully created registry tdb\n"));
647 DEBUG(10, ("regdb_init: registry db openend. refcount reset (%d)\n",
650 vers_id
= dbwrap_fetch_int32(regdb
, REGDB_VERSION_KEYNAME
);
652 DEBUG(10, ("regdb_init: registry version uninitialized "
653 "(got %d), initializing to version %d\n",
654 vers_id
, REGDB_CODE_VERSION
));
656 werr
= regdb_store_regdb_version(regdb
, REGDB_CODE_VERSION
);
660 if (vers_id
> REGDB_CODE_VERSION
|| vers_id
== 0) {
661 DEBUG(0, ("regdb_init: unknown registry version %d "
662 "(code version = %d), refusing initialization\n",
663 vers_id
, REGDB_CODE_VERSION
));
664 return WERR_CAN_NOT_COMPLETE
;
667 if (regdb
->transaction_start(regdb
) != 0) {
668 return WERR_REG_IO_FAILURE
;
671 if (vers_id
== REGDB_VERSION_V1
) {
672 DEBUG(10, ("regdb_init: upgrading registry from version %d "
673 "to %d\n", REGDB_VERSION_V1
, REGDB_VERSION_V2
));
675 werr
= regdb_upgrade_v1_to_v2(regdb
);
676 if (!W_ERROR_IS_OK(werr
)) {
677 regdb
->transaction_cancel(regdb
);
681 vers_id
= REGDB_VERSION_V2
;
684 if (vers_id
== REGDB_VERSION_V2
) {
685 DEBUG(10, ("regdb_init: upgrading registry from version %d "
686 "to %d\n", REGDB_VERSION_V2
, REGDB_VERSION_V3
));
688 werr
= regdb_upgrade_v2_to_v3(regdb
);
689 if (!W_ERROR_IS_OK(werr
)) {
690 regdb
->transaction_cancel(regdb
);
694 vers_id
= REGDB_VERSION_V3
;
697 /* future upgrade code should go here */
699 if (regdb
->transaction_commit(regdb
) != 0) {
700 return WERR_REG_IO_FAILURE
;
706 /***********************************************************************
707 Open the registry. Must already have been initialized by regdb_init()
708 ***********************************************************************/
710 WERROR
regdb_open( void )
712 WERROR result
= WERR_OK
;
715 DEBUG(10, ("regdb_open: incrementing refcount (%d->%d)\n",
716 regdb_refcount
, regdb_refcount
+1));
723 regdb
= db_open(NULL
, state_path("registry.tdb"), 0,
724 REG_TDB_FLAGS
, O_RDWR
, 0600);
726 result
= ntstatus_to_werror( map_nt_error_from_unix( errno
) );
727 DEBUG(0,("regdb_open: Failed to open %s! (%s)\n",
728 state_path("registry.tdb"), strerror(errno
) ));
734 DEBUG(10, ("regdb_open: registry db opened. refcount reset (%d)\n",
740 /***********************************************************************
741 ***********************************************************************/
743 int regdb_close( void )
745 if (regdb_refcount
== 0) {
751 DEBUG(10, ("regdb_close: decrementing refcount (%d->%d)\n",
752 regdb_refcount
+1, regdb_refcount
));
754 if ( regdb_refcount
> 0 )
757 SMB_ASSERT( regdb_refcount
>= 0 );
763 WERROR
regdb_transaction_start(void)
765 return (regdb
->transaction_start(regdb
) == 0) ?
766 WERR_OK
: WERR_REG_IO_FAILURE
;
769 WERROR
regdb_transaction_commit(void)
771 return (regdb
->transaction_commit(regdb
) == 0) ?
772 WERR_OK
: WERR_REG_IO_FAILURE
;
775 WERROR
regdb_transaction_cancel(void)
777 return (regdb
->transaction_cancel(regdb
) == 0) ?
778 WERR_OK
: WERR_REG_IO_FAILURE
;
781 /***********************************************************************
782 return the tdb sequence number of the registry tdb.
783 this is an indicator for the content of the registry
784 having changed. it will change upon regdb_init, too, though.
785 ***********************************************************************/
786 int regdb_get_seqnum(void)
788 return regdb
->get_seqnum(regdb
);
792 static WERROR
regdb_delete_key_with_prefix(struct db_context
*db
,
797 WERROR werr
= WERR_NOMEM
;
798 TALLOC_CTX
*mem_ctx
= talloc_stackframe();
800 if (keyname
== NULL
) {
801 werr
= WERR_INVALID_PARAM
;
805 if (prefix
== NULL
) {
806 path
= discard_const_p(char, keyname
);
808 path
= talloc_asprintf(mem_ctx
, "%s\\%s", prefix
, keyname
);
814 path
= normalize_reg_path(mem_ctx
, path
);
819 werr
= ntstatus_to_werror(dbwrap_delete_bystring(db
, path
));
821 /* treat "not found" as ok */
822 if (W_ERROR_EQUAL(werr
, WERR_NOT_FOUND
)) {
827 talloc_free(mem_ctx
);
832 static WERROR
regdb_delete_values(struct db_context
*db
, const char *keyname
)
834 return regdb_delete_key_with_prefix(db
, keyname
, REG_VALUE_PREFIX
);
837 static WERROR
regdb_delete_secdesc(struct db_context
*db
, const char *keyname
)
839 return regdb_delete_key_with_prefix(db
, keyname
, REG_SECDESC_PREFIX
);
842 static WERROR
regdb_delete_subkeylist(struct db_context
*db
, const char *keyname
)
844 return regdb_delete_key_with_prefix(db
, keyname
, NULL
);
848 static WERROR
regdb_delete_key_lists(struct db_context
*db
, const char *keyname
)
852 werr
= regdb_delete_values(db
, keyname
);
853 if (!W_ERROR_IS_OK(werr
)) {
854 DEBUG(1, (__location__
" Deleting %s\\%s failed: %s\n",
855 REG_VALUE_PREFIX
, keyname
, win_errstr(werr
)));
859 werr
= regdb_delete_secdesc(db
, keyname
);
860 if (!W_ERROR_IS_OK(werr
)) {
861 DEBUG(1, (__location__
" Deleting %s\\%s failed: %s\n",
862 REG_SECDESC_PREFIX
, keyname
, win_errstr(werr
)));
866 werr
= regdb_delete_subkeylist(db
, keyname
);
867 if (!W_ERROR_IS_OK(werr
)) {
868 DEBUG(1, (__location__
" Deleting %s failed: %s\n",
869 keyname
, win_errstr(werr
)));
877 /***********************************************************************
878 Add subkey strings to the registry tdb under a defined key
879 fmt is the same format as tdb_pack except this function only supports
881 ***********************************************************************/
883 static WERROR
regdb_store_keys_internal2(struct db_context
*db
,
885 struct regsubkey_ctr
*ctr
)
888 uint8
*buffer
= NULL
;
891 uint32 num_subkeys
= regsubkey_ctr_numkeys(ctr
);
892 char *keyname
= NULL
;
893 TALLOC_CTX
*ctx
= talloc_stackframe();
897 werr
= WERR_INVALID_PARAM
;
901 keyname
= talloc_strdup(ctx
, key
);
907 keyname
= normalize_reg_path(ctx
, keyname
);
913 /* allocate some initial memory */
915 buffer
= (uint8
*)SMB_MALLOC(1024);
916 if (buffer
== NULL
) {
923 /* store the number of subkeys */
925 len
+= tdb_pack(buffer
+len
, buflen
-len
, "d", num_subkeys
);
927 /* pack all the strings */
929 for (i
=0; i
<num_subkeys
; i
++) {
932 thistime
= tdb_pack(buffer
+len
, buflen
-len
, "f",
933 regsubkey_ctr_specific_key(ctr
, i
));
934 if (len
+thistime
> buflen
) {
937 * tdb_pack hasn't done anything because of the short
938 * buffer, allocate extra space.
940 buffer
= SMB_REALLOC_ARRAY(buffer
, uint8_t,
943 DEBUG(0, ("regdb_store_keys: Failed to realloc "
944 "memory of size [%u]\n",
945 (unsigned int)(len
+thistime
)*2));
949 buflen
= (len
+thistime
)*2;
950 thistime2
= tdb_pack(
951 buffer
+len
, buflen
-len
, "f",
952 regsubkey_ctr_specific_key(ctr
, i
));
953 if (thistime2
!= thistime
) {
954 DEBUG(0, ("tdb_pack failed\n"));
955 werr
= WERR_CAN_NOT_COMPLETE
;
962 /* finally write out the data */
966 werr
= ntstatus_to_werror(dbwrap_store_bystring(db
, keyname
, dbuf
,
976 * Utility function to store a new empty list of
977 * subkeys of given key specified as parent and subkey name
978 * (thereby creating the key).
979 * If the parent keyname is NULL, then the "subkey" is
980 * interpreted as a base key.
981 * If the subkey list does already exist, it is not modified.
983 * Must be called from within a transaction.
985 static WERROR
regdb_store_subkey_list(struct db_context
*db
, const char *parent
,
990 struct regsubkey_ctr
*subkeys
= NULL
;
991 TALLOC_CTX
*frame
= talloc_stackframe();
993 if (parent
== NULL
) {
994 path
= talloc_strdup(frame
, key
);
996 path
= talloc_asprintf(frame
, "%s\\%s", parent
, key
);
1003 werr
= regsubkey_ctr_init(frame
, &subkeys
);
1004 W_ERROR_NOT_OK_GOTO_DONE(werr
);
1006 werr
= regdb_fetch_keys_internal(db
, path
, subkeys
);
1007 if (W_ERROR_IS_OK(werr
)) {
1008 /* subkey list exists already - don't modify */
1012 werr
= regsubkey_ctr_reinit(subkeys
);
1013 W_ERROR_NOT_OK_GOTO_DONE(werr
);
1015 /* create a record with 0 subkeys */
1016 werr
= regdb_store_keys_internal2(db
, path
, subkeys
);
1017 if (!W_ERROR_IS_OK(werr
)) {
1018 DEBUG(0, ("regdb_store_keys: Failed to store new record for "
1019 "key [%s]: %s\n", path
, win_errstr(werr
)));
1028 /***********************************************************************
1029 Store the new subkey record and create any child key records that
1030 do not currently exist
1031 ***********************************************************************/
1033 struct regdb_store_keys_context
{
1035 struct regsubkey_ctr
*ctr
;
1038 static NTSTATUS
regdb_store_keys_action(struct db_context
*db
,
1041 struct regdb_store_keys_context
*store_ctx
;
1045 struct regsubkey_ctr
*old_subkeys
= NULL
;
1046 char *oldkeyname
= NULL
;
1047 TALLOC_CTX
*mem_ctx
= talloc_stackframe();
1049 store_ctx
= (struct regdb_store_keys_context
*)private_data
;
1052 * Re-fetch the old keys inside the transaction
1055 werr
= regsubkey_ctr_init(mem_ctx
, &old_subkeys
);
1056 W_ERROR_NOT_OK_GOTO_DONE(werr
);
1058 werr
= regdb_fetch_keys_internal(db
, store_ctx
->key
, old_subkeys
);
1059 if (!W_ERROR_IS_OK(werr
) &&
1060 !W_ERROR_EQUAL(werr
, WERR_NOT_FOUND
))
1066 * Make the store operation as safe as possible without transactions:
1068 * (1) For each subkey removed from ctr compared with old_subkeys:
1070 * (a) First delete the value db entry.
1072 * (b) Next delete the secdesc db record.
1074 * (c) Then delete the subkey list entry.
1076 * (2) Now write the list of subkeys of the parent key,
1077 * deleting removed entries and adding new ones.
1079 * (3) Finally create the subkey list entries for the added keys.
1081 * This way if we crash half-way in between deleting the subkeys
1082 * and storing the parent's list of subkeys, no old data can pop up
1083 * out of the blue when re-adding keys later on.
1086 /* (1) delete removed keys' lists (values/secdesc/subkeys) */
1088 num_subkeys
= regsubkey_ctr_numkeys(old_subkeys
);
1089 for (i
=0; i
<num_subkeys
; i
++) {
1090 oldkeyname
= regsubkey_ctr_specific_key(old_subkeys
, i
);
1092 if (regsubkey_ctr_key_exists(store_ctx
->ctr
, oldkeyname
)) {
1094 * It's still around, don't delete
1099 path
= talloc_asprintf(mem_ctx
, "%s\\%s", store_ctx
->key
,
1106 werr
= regdb_delete_key_lists(db
, path
);
1107 W_ERROR_NOT_OK_GOTO_DONE(werr
);
1112 TALLOC_FREE(old_subkeys
);
1114 /* (2) store the subkey list for the parent */
1116 werr
= regdb_store_keys_internal2(db
, store_ctx
->key
, store_ctx
->ctr
);
1117 if (!W_ERROR_IS_OK(werr
)) {
1118 DEBUG(0,("regdb_store_keys: Failed to store new subkey list "
1119 "for parent [%s]: %s\n", store_ctx
->key
,
1124 /* (3) now create records for any subkeys that don't already exist */
1126 num_subkeys
= regsubkey_ctr_numkeys(store_ctx
->ctr
);
1128 for (i
=0; i
<num_subkeys
; i
++) {
1131 subkey
= regsubkey_ctr_specific_key(store_ctx
->ctr
, i
);
1133 werr
= regdb_store_subkey_list(db
, store_ctx
->key
, subkey
);
1134 W_ERROR_NOT_OK_GOTO_DONE(werr
);
1140 talloc_free(mem_ctx
);
1141 return werror_to_ntstatus(werr
);
1144 static bool regdb_store_keys_internal(struct db_context
*db
, const char *key
,
1145 struct regsubkey_ctr
*ctr
)
1147 int num_subkeys
, old_num_subkeys
, i
;
1148 struct regsubkey_ctr
*old_subkeys
= NULL
;
1149 TALLOC_CTX
*ctx
= talloc_stackframe();
1152 struct regdb_store_keys_context store_ctx
;
1154 if (!regdb_key_exists(db
, key
)) {
1159 * fetch a list of the old subkeys so we can determine if anything has
1163 werr
= regsubkey_ctr_init(ctx
, &old_subkeys
);
1164 if (!W_ERROR_IS_OK(werr
)) {
1165 DEBUG(0,("regdb_store_keys: talloc() failure!\n"));
1169 werr
= regdb_fetch_keys_internal(db
, key
, old_subkeys
);
1170 if (!W_ERROR_IS_OK(werr
) &&
1171 !W_ERROR_EQUAL(werr
, WERR_NOT_FOUND
))
1176 num_subkeys
= regsubkey_ctr_numkeys(ctr
);
1177 old_num_subkeys
= regsubkey_ctr_numkeys(old_subkeys
);
1178 if ((num_subkeys
&& old_num_subkeys
) &&
1179 (num_subkeys
== old_num_subkeys
)) {
1181 for (i
= 0; i
< num_subkeys
; i
++) {
1182 if (strcmp(regsubkey_ctr_specific_key(ctr
, i
),
1183 regsubkey_ctr_specific_key(old_subkeys
, i
))
1189 if (i
== num_subkeys
) {
1191 * Nothing changed, no point to even start a tdb
1200 TALLOC_FREE(old_subkeys
);
1202 store_ctx
.key
= key
;
1203 store_ctx
.ctr
= ctr
;
1205 werr
= regdb_trans_do(db
,
1206 regdb_store_keys_action
,
1209 ret
= W_ERROR_IS_OK(werr
);
1217 bool regdb_store_keys(const char *key
, struct regsubkey_ctr
*ctr
)
1219 return regdb_store_keys_internal(regdb
, key
, ctr
);
1223 * create a subkey of a given key
1226 struct regdb_create_subkey_context
{
1231 static NTSTATUS
regdb_create_subkey_action(struct db_context
*db
,
1235 struct regdb_create_subkey_context
*create_ctx
;
1236 struct regsubkey_ctr
*subkeys
;
1237 TALLOC_CTX
*mem_ctx
= talloc_stackframe();
1239 create_ctx
= (struct regdb_create_subkey_context
*)private_data
;
1241 werr
= regsubkey_ctr_init(mem_ctx
, &subkeys
);
1242 W_ERROR_NOT_OK_GOTO_DONE(werr
);
1244 werr
= regdb_fetch_keys_internal(db
, create_ctx
->key
, subkeys
);
1245 W_ERROR_NOT_OK_GOTO_DONE(werr
);
1247 werr
= regsubkey_ctr_addkey(subkeys
, create_ctx
->subkey
);
1248 W_ERROR_NOT_OK_GOTO_DONE(werr
);
1250 werr
= regdb_store_keys_internal2(db
, create_ctx
->key
, subkeys
);
1251 if (!W_ERROR_IS_OK(werr
)) {
1252 DEBUG(0, (__location__
" failed to store new subkey list for "
1253 "parent key %s: %s\n", create_ctx
->key
,
1257 werr
= regdb_store_subkey_list(db
, create_ctx
->key
, create_ctx
->subkey
);
1260 talloc_free(mem_ctx
);
1261 return werror_to_ntstatus(werr
);
1264 static WERROR
regdb_create_subkey_internal(struct db_context
*db
,
1269 struct regsubkey_ctr
*subkeys
;
1270 TALLOC_CTX
*mem_ctx
= talloc_stackframe();
1271 struct regdb_create_subkey_context create_ctx
;
1273 if (!regdb_key_exists(db
, key
)) {
1274 werr
= WERR_NOT_FOUND
;
1278 werr
= regsubkey_ctr_init(mem_ctx
, &subkeys
);
1279 W_ERROR_NOT_OK_GOTO_DONE(werr
);
1281 werr
= regdb_fetch_keys_internal(db
, key
, subkeys
);
1282 W_ERROR_NOT_OK_GOTO_DONE(werr
);
1284 if (regsubkey_ctr_key_exists(subkeys
, subkey
)) {
1289 talloc_free(subkeys
);
1291 create_ctx
.key
= key
;
1292 create_ctx
.subkey
= subkey
;
1294 werr
= regdb_trans_do(db
,
1295 regdb_create_subkey_action
,
1299 talloc_free(mem_ctx
);
1303 static WERROR
regdb_create_subkey(const char *key
, const char *subkey
)
1305 return regdb_create_subkey_internal(regdb
, key
, subkey
);
1312 struct regdb_create_basekey_context
{
1316 static NTSTATUS
regdb_create_basekey_action(struct db_context
*db
,
1320 struct regdb_create_basekey_context
*create_ctx
;
1322 create_ctx
= (struct regdb_create_basekey_context
*)private_data
;
1324 werr
= regdb_store_subkey_list(db
, NULL
, create_ctx
->key
);
1326 return werror_to_ntstatus(werr
);
1329 static WERROR
regdb_create_basekey(struct db_context
*db
, const char *key
)
1332 struct regdb_create_subkey_context create_ctx
;
1334 create_ctx
.key
= key
;
1336 werr
= regdb_trans_do(db
,
1337 regdb_create_basekey_action
,
1344 * create a subkey of a given key
1347 struct regdb_delete_subkey_context
{
1354 static NTSTATUS
regdb_delete_subkey_action(struct db_context
*db
,
1358 struct regdb_delete_subkey_context
*delete_ctx
;
1359 struct regsubkey_ctr
*subkeys
;
1360 TALLOC_CTX
*mem_ctx
= talloc_stackframe();
1362 delete_ctx
= (struct regdb_delete_subkey_context
*)private_data
;
1364 werr
= regdb_delete_key_lists(db
, delete_ctx
->path
);
1365 W_ERROR_NOT_OK_GOTO_DONE(werr
);
1367 if (delete_ctx
->lazy
) {
1371 werr
= regsubkey_ctr_init(mem_ctx
, &subkeys
);
1372 W_ERROR_NOT_OK_GOTO_DONE(werr
);
1374 werr
= regdb_fetch_keys_internal(db
, delete_ctx
->key
, subkeys
);
1375 W_ERROR_NOT_OK_GOTO_DONE(werr
);
1377 werr
= regsubkey_ctr_delkey(subkeys
, delete_ctx
->subkey
);
1378 W_ERROR_NOT_OK_GOTO_DONE(werr
);
1380 werr
= regdb_store_keys_internal2(db
, delete_ctx
->key
, subkeys
);
1381 if (!W_ERROR_IS_OK(werr
)) {
1382 DEBUG(0, (__location__
" failed to store new subkey_list for "
1383 "parent key %s: %s\n", delete_ctx
->key
,
1388 talloc_free(mem_ctx
);
1389 return werror_to_ntstatus(werr
);
1392 static WERROR
regdb_delete_subkey(const char *key
, const char *subkey
, bool lazy
)
1396 struct regdb_delete_subkey_context delete_ctx
;
1397 TALLOC_CTX
*mem_ctx
= talloc_stackframe();
1399 if (!regdb_key_exists(regdb
, key
)) {
1400 werr
= WERR_NOT_FOUND
;
1404 path
= talloc_asprintf(mem_ctx
, "%s\\%s", key
, subkey
);
1410 if (!regdb_key_exists(regdb
, path
)) {
1415 delete_ctx
.key
= key
;
1416 delete_ctx
.subkey
= subkey
;
1417 delete_ctx
.path
= path
;
1418 delete_ctx
.lazy
= lazy
;
1420 werr
= regdb_trans_do(regdb
,
1421 regdb_delete_subkey_action
,
1425 talloc_free(mem_ctx
);
1429 static TDB_DATA
regdb_fetch_key_internal(struct db_context
*db
,
1430 TALLOC_CTX
*mem_ctx
, const char *key
)
1435 path
= normalize_reg_path(mem_ctx
, key
);
1437 return make_tdb_data(NULL
, 0);
1440 data
= dbwrap_fetch_bystring(db
, mem_ctx
, path
);
1448 * Check for the existence of a key.
1450 * Existence of a key is authoritatively defined by
1451 * the existence of the record that contains the list
1454 * Return false, if the record does not match the correct
1455 * structure of an initial 4-byte counter and then a
1456 * list of the corresponding number of zero-terminated
1459 static bool regdb_key_exists(struct db_context
*db
, const char *key
)
1461 TALLOC_CTX
*mem_ctx
= talloc_stackframe();
1467 uint32_t num_items
, i
;
1474 path
= normalize_reg_path(mem_ctx
, key
);
1476 DEBUG(0, ("out of memory! (talloc failed)\n"));
1480 if (*path
== '\0') {
1484 value
= regdb_fetch_key_internal(db
, mem_ctx
, path
);
1485 if (value
.dptr
== NULL
) {
1489 if (value
.dsize
== 0) {
1490 DEBUG(10, ("regdb_key_exists: subkeylist-record for key "
1491 "[%s] is empty: Could be a deleted record in a "
1492 "clustered (ctdb) environment?\n",
1497 len
= tdb_unpack(value
.dptr
, value
.dsize
, "d", &num_items
);
1498 if (len
== (int32_t)-1) {
1499 DEBUG(1, ("regdb_key_exists: ERROR: subkeylist-record for key "
1500 "[%s] is invalid: Could not parse initial 4-byte "
1501 "counter. record data length is %u.\n",
1502 path
, (unsigned int)value
.dsize
));
1507 * Note: the tdb_unpack check above implies that len <= value.dsize
1509 buflen
= value
.dsize
- len
;
1510 buf
= (const char *)value
.dptr
+ len
;
1514 for (i
= 0; i
< num_items
; i
++) {
1518 len
= strnlen(buf
, buflen
) + 1;
1520 DEBUG(1, ("regdb_key_exists: ERROR: subkeylist-record "
1521 "for key [%s] is corrupt: %u items expected, "
1522 "item number %u is not zero terminated.\n",
1523 path
, num_items
, i
+1));
1532 DEBUG(1, ("regdb_key_exists: ERROR: subkeylist-record for key "
1533 "[%s] is corrupt: %u items expected and found, but "
1534 "the record contains additional %u bytes\n",
1535 path
, num_items
, buflen
));
1539 if (i
< num_items
) {
1540 DEBUG(1, ("regdb_key_exists: ERROR: subkeylist-record for key "
1541 "[%s] is corrupt: %u items expected, but only %u "
1543 path
, num_items
, i
+1));
1550 TALLOC_FREE(mem_ctx
);
1555 /***********************************************************************
1556 Retrieve an array of strings containing subkeys. Memory should be
1557 released by the caller.
1558 ***********************************************************************/
1560 static WERROR
regdb_fetch_keys_internal(struct db_context
*db
, const char *key
,
1561 struct regsubkey_ctr
*ctr
)
1569 TALLOC_CTX
*frame
= talloc_stackframe();
1572 DEBUG(11,("regdb_fetch_keys: Enter key => [%s]\n", key
? key
: "NULL"));
1574 if (!regdb_key_exists(db
, key
)) {
1575 DEBUG(10, ("key [%s] not found\n", key
));
1576 werr
= WERR_NOT_FOUND
;
1580 werr
= regsubkey_ctr_reinit(ctr
);
1581 W_ERROR_NOT_OK_GOTO_DONE(werr
);
1583 werr
= regsubkey_ctr_set_seqnum(ctr
, db
->get_seqnum(db
));
1584 W_ERROR_NOT_OK_GOTO_DONE(werr
);
1586 value
= regdb_fetch_key_internal(db
, frame
, key
);
1588 if (value
.dsize
== 0 || value
.dptr
== NULL
) {
1589 DEBUG(10, ("regdb_fetch_keys: no subkeys found for key [%s]\n",
1595 buflen
= value
.dsize
;
1596 len
= tdb_unpack( buf
, buflen
, "d", &num_items
);
1597 if (len
== (uint32_t)-1) {
1598 werr
= WERR_NOT_FOUND
;
1602 for (i
=0; i
<num_items
; i
++) {
1603 len
+= tdb_unpack(buf
+len
, buflen
-len
, "f", subkeyname
);
1604 werr
= regsubkey_ctr_addkey(ctr
, subkeyname
);
1605 if (!W_ERROR_IS_OK(werr
)) {
1606 DEBUG(5, ("regdb_fetch_keys: regsubkey_ctr_addkey "
1607 "failed: %s\n", win_errstr(werr
)));
1613 DEBUG(11,("regdb_fetch_keys: Exit [%d] items\n", num_items
));
1620 int regdb_fetch_keys(const char *key
, struct regsubkey_ctr
*ctr
)
1624 werr
= regdb_fetch_keys_internal(regdb
, key
, ctr
);
1625 if (!W_ERROR_IS_OK(werr
)) {
1629 return regsubkey_ctr_numkeys(ctr
);
1632 /****************************************************************************
1633 Unpack a list of registry values frem the TDB
1634 ***************************************************************************/
1636 static int regdb_unpack_values(struct regval_ctr
*values
, uint8
*buf
, int buflen
)
1643 uint32 num_values
= 0;
1646 /* loop and unpack the rest of the registry values */
1648 len
+= tdb_unpack(buf
+len
, buflen
-len
, "d", &num_values
);
1650 for ( i
=0; i
<num_values
; i
++ ) {
1651 /* unpack the next regval */
1656 valuename
[0] = '\0';
1657 len
+= tdb_unpack(buf
+len
, buflen
-len
, "fdB",
1663 regval_ctr_addvalue(values
, valuename
, type
,
1664 (uint8_t *)data_p
, size
);
1665 SAFE_FREE(data_p
); /* 'B' option to tdb_unpack does a malloc() */
1667 DEBUG(8,("specific: [%s], len: %d\n", valuename
, size
));
1673 /****************************************************************************
1674 Pack all values in all printer keys
1675 ***************************************************************************/
1677 static int regdb_pack_values(struct regval_ctr
*values
, uint8
*buf
, int buflen
)
1681 struct regval_blob
*val
;
1687 num_values
= regval_ctr_numvals( values
);
1689 /* pack the number of values first */
1691 len
+= tdb_pack( buf
+len
, buflen
-len
, "d", num_values
);
1693 /* loop over all values */
1695 for ( i
=0; i
<num_values
; i
++ ) {
1696 val
= regval_ctr_specific_value( values
, i
);
1697 len
+= tdb_pack(buf
+len
, buflen
-len
, "fdB",
1701 regval_data_p(val
) );
1707 /***********************************************************************
1708 Retrieve an array of strings containing subkeys. Memory should be
1709 released by the caller.
1710 ***********************************************************************/
1712 static int regdb_fetch_values_internal(struct db_context
*db
, const char* key
,
1713 struct regval_ctr
*values
)
1715 char *keystr
= NULL
;
1716 TALLOC_CTX
*ctx
= talloc_stackframe();
1721 DEBUG(10,("regdb_fetch_values: Looking for value of key [%s] \n", key
));
1723 if (!regdb_key_exists(db
, key
)) {
1727 keystr
= talloc_asprintf(ctx
, "%s\\%s", REG_VALUE_PREFIX
, key
);
1732 werr
= regval_ctr_set_seqnum(values
, db
->get_seqnum(db
));
1733 W_ERROR_NOT_OK_GOTO_DONE(werr
);
1735 value
= regdb_fetch_key_internal(db
, ctx
, keystr
);
1738 /* all keys have zero values by default */
1742 regdb_unpack_values(values
, value
.dptr
, value
.dsize
);
1743 ret
= regval_ctr_numvals(values
);
1750 int regdb_fetch_values(const char* key
, struct regval_ctr
*values
)
1752 return regdb_fetch_values_internal(regdb
, key
, values
);
1755 static NTSTATUS
regdb_store_values_internal(struct db_context
*db
,
1757 struct regval_ctr
*values
)
1759 TDB_DATA old_data
, data
;
1760 char *keystr
= NULL
;
1761 TALLOC_CTX
*ctx
= talloc_stackframe();
1765 DEBUG(10,("regdb_store_values: Looking for value of key [%s] \n", key
));
1767 if (!regdb_key_exists(db
, key
)) {
1768 status
= NT_STATUS_NOT_FOUND
;
1774 len
= regdb_pack_values(values
, data
.dptr
, data
.dsize
);
1776 DEBUG(0,("regdb_store_values: unable to pack values. len <= 0\n"));
1777 status
= NT_STATUS_UNSUCCESSFUL
;
1781 data
.dptr
= talloc_array(ctx
, uint8
, len
);
1784 len
= regdb_pack_values(values
, data
.dptr
, data
.dsize
);
1786 SMB_ASSERT( len
== data
.dsize
);
1788 keystr
= talloc_asprintf(ctx
, "%s\\%s", REG_VALUE_PREFIX
, key
);
1790 status
= NT_STATUS_NO_MEMORY
;
1793 keystr
= normalize_reg_path(ctx
, keystr
);
1795 status
= NT_STATUS_NO_MEMORY
;
1799 old_data
= dbwrap_fetch_bystring(db
, ctx
, keystr
);
1801 if ((old_data
.dptr
!= NULL
)
1802 && (old_data
.dsize
== data
.dsize
)
1803 && (memcmp(old_data
.dptr
, data
.dptr
, data
.dsize
) == 0))
1805 status
= NT_STATUS_OK
;
1809 status
= dbwrap_trans_store_bystring(db
, keystr
, data
, TDB_REPLACE
);
1816 struct regdb_store_values_ctx
{
1818 struct regval_ctr
*values
;
1821 static NTSTATUS
regdb_store_values_action(struct db_context
*db
,
1825 struct regdb_store_values_ctx
*ctx
=
1826 (struct regdb_store_values_ctx
*)private_data
;
1828 status
= regdb_store_values_internal(db
, ctx
->key
, ctx
->values
);
1833 bool regdb_store_values(const char *key
, struct regval_ctr
*values
)
1836 struct regdb_store_values_ctx ctx
;
1839 ctx
.values
= values
;
1841 werr
= regdb_trans_do(regdb
, regdb_store_values_action
, &ctx
);
1843 return W_ERROR_IS_OK(werr
);
1846 static WERROR
regdb_get_secdesc(TALLOC_CTX
*mem_ctx
, const char *key
,
1847 struct security_descriptor
**psecdesc
)
1852 TALLOC_CTX
*tmp_ctx
= talloc_stackframe();
1853 WERROR err
= WERR_OK
;
1855 DEBUG(10, ("regdb_get_secdesc: Getting secdesc of key [%s]\n", key
));
1857 if (!regdb_key_exists(regdb
, key
)) {
1862 tdbkey
= talloc_asprintf(tmp_ctx
, "%s\\%s", REG_SECDESC_PREFIX
, key
);
1863 if (tdbkey
== NULL
) {
1868 tdbkey
= normalize_reg_path(tmp_ctx
, tdbkey
);
1869 if (tdbkey
== NULL
) {
1874 data
= dbwrap_fetch_bystring(regdb
, tmp_ctx
, tdbkey
);
1875 if (data
.dptr
== NULL
) {
1880 status
= unmarshall_sec_desc(mem_ctx
, (uint8
*)data
.dptr
, data
.dsize
,
1883 if (NT_STATUS_EQUAL(status
, NT_STATUS_NO_MEMORY
)) {
1885 } else if (!NT_STATUS_IS_OK(status
)) {
1886 err
= WERR_REG_CORRUPT
;
1890 TALLOC_FREE(tmp_ctx
);
1894 struct regdb_set_secdesc_ctx
{
1896 struct security_descriptor
*secdesc
;
1899 static NTSTATUS
regdb_set_secdesc_action(struct db_context
*db
,
1905 struct regdb_set_secdesc_ctx
*ctx
=
1906 (struct regdb_set_secdesc_ctx
*)private_data
;
1907 TALLOC_CTX
*frame
= talloc_stackframe();
1909 tdbkey
= talloc_asprintf(frame
, "%s\\%s", REG_SECDESC_PREFIX
, ctx
->key
);
1910 if (tdbkey
== NULL
) {
1911 status
= NT_STATUS_NO_MEMORY
;
1915 tdbkey
= normalize_reg_path(frame
, tdbkey
);
1916 if (tdbkey
== NULL
) {
1917 status
= NT_STATUS_NO_MEMORY
;
1921 if (ctx
->secdesc
== NULL
) {
1922 /* assuming a delete */
1923 status
= dbwrap_delete_bystring(db
, tdbkey
);
1927 status
= marshall_sec_desc(frame
, ctx
->secdesc
, &tdbdata
.dptr
,
1929 if (!NT_STATUS_IS_OK(status
)) {
1933 status
= dbwrap_store_bystring(db
, tdbkey
, tdbdata
, 0);
1940 static WERROR
regdb_set_secdesc(const char *key
,
1941 struct security_descriptor
*secdesc
)
1944 struct regdb_set_secdesc_ctx ctx
;
1946 if (!regdb_key_exists(regdb
, key
)) {
1952 ctx
.secdesc
= secdesc
;
1954 err
= regdb_trans_do(regdb
, regdb_set_secdesc_action
, &ctx
);
1960 bool regdb_subkeys_need_update(struct regsubkey_ctr
*subkeys
)
1962 return (regdb_get_seqnum() != regsubkey_ctr_get_seqnum(subkeys
));
1965 bool regdb_values_need_update(struct regval_ctr
*values
)
1967 return (regdb_get_seqnum() != regval_ctr_get_seqnum(values
));
1971 * Table of function pointers for default access
1974 struct registry_ops regdb_ops
= {
1975 .fetch_subkeys
= regdb_fetch_keys
,
1976 .fetch_values
= regdb_fetch_values
,
1977 .store_subkeys
= regdb_store_keys
,
1978 .store_values
= regdb_store_values
,
1979 .create_subkey
= regdb_create_subkey
,
1980 .delete_subkey
= regdb_delete_subkey
,
1981 .get_secdesc
= regdb_get_secdesc
,
1982 .set_secdesc
= regdb_set_secdesc
,
1983 .subkeys_need_update
= regdb_subkeys_need_update
,
1984 .values_need_update
= regdb_values_need_update