2
* Unix SMB/CIFS implementation.
3
* Virtual Windows Registry Layer
4
* Copyright (C) Volker Lendecke 2006
5
* Copyright (C) Michael Adam 2007-2008
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/>.
21
/* Attempt to wrap the existing API in a more winreg.idl-like way */
24
* Here is a list of winreg.idl functions and corresponding implementations
27
* 0x00 winreg_OpenHKCR
28
* 0x01 winreg_OpenHKCU
29
* 0x02 winreg_OpenHKLM
30
* 0x03 winreg_OpenHKPD
32
* 0x05 winreg_CloseKey
33
* 0x06 winreg_CreateKey reg_createkey
34
* 0x07 winreg_DeleteKey reg_deletekey
35
* 0x08 winreg_DeleteValue reg_deletevalue
36
* 0x09 winreg_EnumKey reg_enumkey
37
* 0x0a winreg_EnumValue reg_enumvalue
38
* 0x0b winreg_FlushKey
39
* 0x0c winreg_GetKeySecurity reg_getkeysecurity
41
* 0x0e winreg_NotifyChangeKeyValue
42
* 0x0f winreg_OpenKey reg_openkey
43
* 0x10 winreg_QueryInfoKey reg_queryinfokey
44
* 0x11 winreg_QueryValue reg_queryvalue
45
* 0x12 winreg_ReplaceKey
46
* 0x13 winreg_RestoreKey reg_restorekey
47
* 0x14 winreg_SaveKey reg_savekey
48
* 0x15 winreg_SetKeySecurity reg_setkeysecurity
49
* 0x16 winreg_SetValue reg_setvalue
50
* 0x17 winreg_UnLoadKey
51
* 0x18 winreg_InitiateSystemShutdown
52
* 0x19 winreg_AbortSystemShutdown
53
* 0x1a winreg_GetVersion reg_getversion
54
* 0x1b winreg_OpenHKCC
55
* 0x1c winreg_OpenHKDD
56
* 0x1d winreg_QueryMultipleValues
57
* 0x1e winreg_InitiateSystemShutdownEx
58
* 0x1f winreg_SaveKeyEx
59
* 0x20 winreg_OpenHKPT
60
* 0x21 winreg_OpenHKPN
61
* 0x22 winreg_QueryMultipleValues2
69
#define DBGC_CLASS DBGC_REGISTRY
72
/**********************************************************************
74
**********************************************************************/
76
static WERROR fill_value_cache(struct registry_key *key)
78
if (key->values != NULL) {
79
if (!reg_values_need_update(key->key, key->values)) {
84
if (!(key->values = TALLOC_ZERO_P(key, REGVAL_CTR))) {
87
if (fetch_reg_values(key->key, key->values) == -1) {
88
TALLOC_FREE(key->values);
95
static WERROR fill_subkey_cache(struct registry_key *key)
99
if (key->subkeys != NULL) {
100
if (!reg_subkeys_need_update(key->key, key->subkeys)) {
105
werr = regsubkey_ctr_init(key, &(key->subkeys));
106
W_ERROR_NOT_OK_RETURN(werr);
108
if (fetch_reg_keys(key->key, key->subkeys) == -1) {
109
TALLOC_FREE(key->subkeys);
110
return WERR_NO_MORE_ITEMS;
116
static int regkey_destructor(REGISTRY_KEY *key)
118
return regdb_close();
121
static WERROR regkey_open_onelevel(TALLOC_CTX *mem_ctx,
122
struct registry_key *parent,
124
const struct nt_user_token *token,
125
uint32 access_desired,
126
struct registry_key **pregkey)
128
WERROR result = WERR_OK;
129
struct registry_key *regkey;
131
struct regsubkey_ctr *subkeys = NULL;
133
DEBUG(7,("regkey_open_onelevel: name = [%s]\n", name));
135
SMB_ASSERT(strchr(name, '\\') == NULL);
137
if (!(regkey = TALLOC_ZERO_P(mem_ctx, struct registry_key)) ||
138
!(regkey->token = dup_nt_token(regkey, token)) ||
139
!(regkey->key = TALLOC_ZERO_P(regkey, REGISTRY_KEY))) {
144
if ( !(W_ERROR_IS_OK(result = regdb_open())) ) {
149
talloc_set_destructor(key, regkey_destructor);
153
key->type = REG_KEY_GENERIC;
155
if (name[0] == '\0') {
157
* Open a copy of the parent key
160
result = WERR_BADFILE;
163
key->name = talloc_strdup(key, parent->key->name);
169
key->name = talloc_asprintf(key, "%s%s%s",
170
parent ? parent->key->name : "",
175
if (key->name == NULL) {
180
/* Tag this as a Performance Counter Key */
182
if( StrnCaseCmp(key->name, KEY_HKPD, strlen(KEY_HKPD)) == 0 )
183
key->type = REG_KEY_HKPD;
185
/* Look up the table of registry I/O operations */
187
if ( !(key->ops = reghook_cache_find( key->name )) ) {
188
DEBUG(0,("reg_open_onelevel: Failed to assign "
189
"REGISTRY_OPS to [%s]\n", key->name ));
190
result = WERR_BADFILE;
194
/* check if the path really exists; failed is indicated by -1 */
195
/* if the subkey count failed, bail out */
197
result = regsubkey_ctr_init(key, &subkeys);
198
if (!W_ERROR_IS_OK(result)) {
202
if ( fetch_reg_keys( key, subkeys ) == -1 ) {
203
result = WERR_BADFILE;
207
TALLOC_FREE( subkeys );
209
if ( !regkey_access_check( key, access_desired, &key->access_granted,
211
result = WERR_ACCESS_DENIED;
219
if ( !W_ERROR_IS_OK(result) ) {
226
WERROR reg_openhive(TALLOC_CTX *mem_ctx, const char *hive,
227
uint32 desired_access,
228
const struct nt_user_token *token,
229
struct registry_key **pkey)
231
SMB_ASSERT(hive != NULL);
232
SMB_ASSERT(hive[0] != '\0');
233
SMB_ASSERT(strchr(hive, '\\') == NULL);
235
return regkey_open_onelevel(mem_ctx, NULL, hive, token, desired_access,
240
/**********************************************************************
242
**********************************************************************/
244
WERROR reg_openkey(TALLOC_CTX *mem_ctx, struct registry_key *parent,
245
const char *name, uint32 desired_access,
246
struct registry_key **pkey)
248
struct registry_key *direct_parent = parent;
250
char *p, *path, *to_free;
253
if (!(path = SMB_STRDUP(name))) {
260
if ((len > 0) && (path[len-1] == '\\')) {
264
while ((p = strchr(path, '\\')) != NULL) {
265
char *name_component;
266
struct registry_key *tmp;
268
if (!(name_component = SMB_STRNDUP(path, (p - path)))) {
273
err = regkey_open_onelevel(mem_ctx, direct_parent,
274
name_component, parent->token,
275
KEY_ENUMERATE_SUB_KEYS, &tmp);
276
SAFE_FREE(name_component);
278
if (!W_ERROR_IS_OK(err)) {
281
if (direct_parent != parent) {
282
TALLOC_FREE(direct_parent);
289
err = regkey_open_onelevel(mem_ctx, direct_parent, path, parent->token,
290
desired_access, pkey);
292
if (direct_parent != parent) {
293
TALLOC_FREE(direct_parent);
299
WERROR reg_enumkey(TALLOC_CTX *mem_ctx, struct registry_key *key,
300
uint32 idx, char **name, NTTIME *last_write_time)
304
if (!(key->key->access_granted & KEY_ENUMERATE_SUB_KEYS)) {
305
return WERR_ACCESS_DENIED;
308
if (!W_ERROR_IS_OK(err = fill_subkey_cache(key))) {
312
if (idx >= regsubkey_ctr_numkeys(key->subkeys)) {
313
return WERR_NO_MORE_ITEMS;
316
if (!(*name = talloc_strdup(mem_ctx,
317
regsubkey_ctr_specific_key(key->subkeys, idx))))
322
if (last_write_time) {
323
*last_write_time = 0;
329
WERROR reg_enumvalue(TALLOC_CTX *mem_ctx, struct registry_key *key,
330
uint32 idx, char **pname, struct registry_value **pval)
332
struct registry_value *val;
335
if (!(key->key->access_granted & KEY_QUERY_VALUE)) {
336
return WERR_ACCESS_DENIED;
339
if (!(W_ERROR_IS_OK(err = fill_value_cache(key)))) {
343
if (idx >= key->values->num_values) {
344
return WERR_NO_MORE_ITEMS;
347
err = registry_pull_value(mem_ctx, &val,
348
key->values->values[idx]->type,
349
key->values->values[idx]->data_p,
350
key->values->values[idx]->size,
351
key->values->values[idx]->size);
352
if (!W_ERROR_IS_OK(err)) {
357
&& !(*pname = talloc_strdup(
358
mem_ctx, key->values->values[idx]->valuename))) {
367
WERROR reg_queryvalue(TALLOC_CTX *mem_ctx, struct registry_key *key,
368
const char *name, struct registry_value **pval)
373
if (!(key->key->access_granted & KEY_QUERY_VALUE)) {
374
return WERR_ACCESS_DENIED;
377
if (!(W_ERROR_IS_OK(err = fill_value_cache(key)))) {
381
for (i=0; i<key->values->num_values; i++) {
382
if (strequal(key->values->values[i]->valuename, name)) {
383
return reg_enumvalue(mem_ctx, key, i, NULL, pval);
390
WERROR reg_queryinfokey(struct registry_key *key, uint32_t *num_subkeys,
391
uint32_t *max_subkeylen, uint32_t *max_subkeysize,
392
uint32_t *num_values, uint32_t *max_valnamelen,
393
uint32_t *max_valbufsize, uint32_t *secdescsize,
394
NTTIME *last_changed_time)
400
struct security_descriptor *secdesc;
402
if (!(key->key->access_granted & KEY_QUERY_VALUE)) {
403
return WERR_ACCESS_DENIED;
406
if (!W_ERROR_IS_OK(fill_subkey_cache(key)) ||
407
!W_ERROR_IS_OK(fill_value_cache(key))) {
412
for (i=0; i< regsubkey_ctr_numkeys(key->subkeys); i++) {
413
max_len = MAX(max_len,
414
strlen(regsubkey_ctr_specific_key(key->subkeys, i)));
417
*num_subkeys = regsubkey_ctr_numkeys(key->subkeys);
418
*max_subkeylen = max_len;
419
*max_subkeysize = 0; /* Class length? */
423
for (i=0; i<key->values->num_values; i++) {
424
max_len = MAX(max_len,
425
strlen(key->values->values[i]->valuename));
426
max_size = MAX(max_size, key->values->values[i]->size);
429
*num_values = key->values->num_values;
430
*max_valnamelen = max_len;
431
*max_valbufsize = max_size;
433
if (!(mem_ctx = talloc_new(key))) {
437
err = regkey_get_secdesc(mem_ctx, key->key, &secdesc);
438
if (!W_ERROR_IS_OK(err)) {
439
TALLOC_FREE(mem_ctx);
443
*secdescsize = ndr_size_security_descriptor(secdesc, NULL, 0);
444
TALLOC_FREE(mem_ctx);
446
*last_changed_time = 0;
451
WERROR reg_createkey(TALLOC_CTX *ctx, struct registry_key *parent,
452
const char *subkeypath, uint32 desired_access,
453
struct registry_key **pkey,
454
enum winreg_CreateAction *paction)
456
struct registry_key *key = parent;
457
struct registry_key *create_parent;
463
* We must refuse to handle subkey-paths containing
464
* a '/' character because at a lower level, after
465
* normalization, '/' is treated as a key separator
468
if (strchr(subkeypath, '/') != NULL) {
469
return WERR_INVALID_PARAM;
472
if (!(mem_ctx = talloc_new(ctx))) return WERR_NOMEM;
474
if (!(path = talloc_strdup(mem_ctx, subkeypath))) {
479
while ((end = strchr(path, '\\')) != NULL) {
480
struct registry_key *tmp;
481
enum winreg_CreateAction action;
485
err = reg_createkey(mem_ctx, key, path,
486
KEY_ENUMERATE_SUB_KEYS, &tmp, &action);
487
if (!W_ERROR_IS_OK(err)) {
500
* At this point, "path" contains the one-element subkey of "key". We
501
* can try to open it.
504
err = reg_openkey(ctx, key, path, desired_access, pkey);
505
if (W_ERROR_IS_OK(err)) {
506
if (paction != NULL) {
507
*paction = REG_OPENED_EXISTING_KEY;
512
if (!W_ERROR_EQUAL(err, WERR_BADFILE)) {
514
* Something but "notfound" has happened, so bail out
520
* We have to make a copy of the current key, as we opened it only
521
* with ENUM_SUBKEY access.
524
err = reg_openkey(mem_ctx, key, "", KEY_CREATE_SUB_KEY,
526
if (!W_ERROR_IS_OK(err)) {
531
* Actually create the subkey
534
err = fill_subkey_cache(create_parent);
535
if (!W_ERROR_IS_OK(err)) goto done;
537
err = create_reg_subkey(key->key, path);
538
W_ERROR_NOT_OK_GOTO_DONE(err);
541
* Now open the newly created key
544
err = reg_openkey(ctx, create_parent, path, desired_access, pkey);
545
if (W_ERROR_IS_OK(err) && (paction != NULL)) {
546
*paction = REG_CREATED_NEW_KEY;
550
TALLOC_FREE(mem_ctx);
554
WERROR reg_deletekey(struct registry_key *parent, const char *path)
558
struct registry_key *tmp_key, *key;
559
TALLOC_CTX *mem_ctx = talloc_stackframe();
561
name = talloc_strdup(mem_ctx, path);
567
/* check if the key has subkeys */
568
err = reg_openkey(mem_ctx, parent, name, REG_KEY_READ, &key);
569
W_ERROR_NOT_OK_GOTO_DONE(err);
571
err = fill_subkey_cache(key);
572
W_ERROR_NOT_OK_GOTO_DONE(err);
574
if (regsubkey_ctr_numkeys(key->subkeys) > 0) {
575
err = WERR_ACCESS_DENIED;
579
/* no subkeys - proceed with delete */
580
end = strrchr(name, '\\');
584
err = reg_openkey(mem_ctx, parent, name,
585
KEY_CREATE_SUB_KEY, &tmp_key);
586
W_ERROR_NOT_OK_GOTO_DONE(err);
592
if (name[0] == '\0') {
593
err = WERR_INVALID_PARAM;
597
err = delete_reg_subkey(parent->key, name);
600
TALLOC_FREE(mem_ctx);
604
WERROR reg_setvalue(struct registry_key *key, const char *name,
605
const struct registry_value *val)
608
DATA_BLOB value_data;
611
if (!(key->key->access_granted & KEY_SET_VALUE)) {
612
return WERR_ACCESS_DENIED;
615
if (!W_ERROR_IS_OK(err = fill_value_cache(key))) {
619
err = registry_push_value(key, val, &value_data);
620
if (!W_ERROR_IS_OK(err)) {
624
res = regval_ctr_addvalue(key->values, name, val->type,
625
(char *)value_data.data, value_data.length);
626
TALLOC_FREE(value_data.data);
629
TALLOC_FREE(key->values);
633
if (!store_reg_values(key->key, key->values)) {
634
TALLOC_FREE(key->values);
635
return WERR_REG_IO_FAILURE;
641
static WERROR reg_value_exists(struct registry_key *key, const char *name)
645
for (i=0; i<key->values->num_values; i++) {
646
if (strequal(key->values->values[i]->valuename, name)) {
654
WERROR reg_deletevalue(struct registry_key *key, const char *name)
658
if (!(key->key->access_granted & KEY_SET_VALUE)) {
659
return WERR_ACCESS_DENIED;
662
if (!W_ERROR_IS_OK(err = fill_value_cache(key))) {
666
err = reg_value_exists(key, name);
667
if (!W_ERROR_IS_OK(err)) {
671
regval_ctr_delvalue(key->values, name);
673
if (!store_reg_values(key->key, key->values)) {
674
TALLOC_FREE(key->values);
675
return WERR_REG_IO_FAILURE;
681
WERROR reg_getkeysecurity(TALLOC_CTX *mem_ctx, struct registry_key *key,
682
struct security_descriptor **psecdesc)
684
return regkey_get_secdesc(mem_ctx, key->key, psecdesc);
687
WERROR reg_setkeysecurity(struct registry_key *key,
688
struct security_descriptor *psecdesc)
690
return regkey_set_secdesc(key->key, psecdesc);
693
WERROR reg_getversion(uint32_t *version)
695
if (version == NULL) {
696
return WERR_INVALID_PARAM;
699
*version = 0x00000005; /* Windows 2000 registry API version */
703
/*******************************************************************
704
Note: topkeypat is the *full* path that this *key will be
705
loaded into (including the name of the key)
706
********************************************************************/
708
static WERROR reg_load_tree(REGF_FILE *regfile, const char *topkeypath,
712
REGISTRY_KEY registry_key;
714
struct regsubkey_ctr *subkeys;
717
WERROR result = WERR_OK;
719
/* initialize the REGISTRY_KEY structure */
721
registry_key.ops = reghook_cache_find(topkeypath);
722
if (!registry_key.ops) {
723
DEBUG(0, ("reg_load_tree: Failed to assign REGISTRY_OPS "
724
"to [%s]\n", topkeypath));
728
registry_key.name = talloc_strdup(regfile->mem_ctx, topkeypath);
729
if (!registry_key.name) {
730
DEBUG(0, ("reg_load_tree: Talloc failed for reg_key.name!\n"));
734
/* now start parsing the values and subkeys */
736
result = regsubkey_ctr_init(regfile->mem_ctx, &subkeys);
737
W_ERROR_NOT_OK_RETURN(result);
739
values = TALLOC_ZERO_P(subkeys, REGVAL_CTR);
740
if (values == NULL) {
744
/* copy values into the REGVAL_CTR */
746
for (i=0; i<key->num_values; i++) {
747
regval_ctr_addvalue(values, key->values[i].valuename,
749
(char*)key->values[i].data,
750
(key->values[i].data_size & ~VK_DATA_IN_OFFSET));
753
/* copy subkeys into the struct regsubkey_ctr */
755
key->subkey_index = 0;
756
while ((subkey = regfio_fetch_subkey( regfile, key ))) {
757
result = regsubkey_ctr_addkey(subkeys, subkey->keyname);
758
if (!W_ERROR_IS_OK(result)) {
759
TALLOC_FREE(subkeys);
764
/* write this key and values out */
766
if (!store_reg_values(®istry_key, values)
767
|| !store_reg_keys(®istry_key, subkeys))
769
DEBUG(0,("reg_load_tree: Failed to load %s!\n", topkeypath));
770
result = WERR_REG_IO_FAILURE;
773
TALLOC_FREE(subkeys);
775
if (!W_ERROR_IS_OK(result)) {
779
/* now continue to load each subkey registry tree */
781
key->subkey_index = 0;
782
while ((subkey = regfio_fetch_subkey(regfile, key))) {
783
path = talloc_asprintf(regfile->mem_ctx,
790
result = reg_load_tree(regfile, path, subkey);
791
if (!W_ERROR_IS_OK(result)) {
799
/*******************************************************************
800
********************************************************************/
802
static WERROR restore_registry_key(REGISTRY_KEY *krecord, const char *fname)
805
REGF_NK_REC *rootkey;
808
/* open the registry file....fail if the file already exists */
810
regfile = regfio_open(fname, (O_RDONLY), 0);
811
if (regfile == NULL) {
812
DEBUG(0, ("restore_registry_key: failed to open \"%s\" (%s)\n",
813
fname, strerror(errno)));
814
return ntstatus_to_werror(map_nt_error_from_unix(errno));
817
/* get the rootkey from the regf file and then load the tree
818
via recursive calls */
820
if (!(rootkey = regfio_rootkey(regfile))) {
821
regfio_close(regfile);
822
return WERR_REG_FILE_INVALID;
825
result = reg_load_tree(regfile, krecord->name, rootkey);
829
regfio_close(regfile);
834
WERROR reg_restorekey(struct registry_key *key, const char *fname)
836
return restore_registry_key(key->key, fname);
839
/********************************************************************
840
********************************************************************/
842
static WERROR reg_write_tree(REGF_FILE *regfile, const char *keypath,
847
struct regsubkey_ctr *subkeys;
849
char *key_tmp = NULL;
850
char *keyname, *parentpath;
851
char *subkeypath = NULL;
853
REGISTRY_KEY registry_key;
854
WERROR result = WERR_OK;
855
SEC_DESC *sec_desc = NULL;
858
return WERR_GENERAL_FAILURE;
862
return WERR_OBJECT_PATH_INVALID;
865
/* split up the registry key path */
867
key_tmp = talloc_strdup(regfile->mem_ctx, keypath);
871
if (!reg_split_key(key_tmp, &parentpath, &keyname)) {
872
return WERR_OBJECT_PATH_INVALID;
876
keyname = parentpath;
879
/* we need a REGISTRY_KEY object here to enumerate subkeys and values */
881
ZERO_STRUCT(registry_key);
883
registry_key.name = talloc_strdup(regfile->mem_ctx, keypath);
884
if (registry_key.name == NULL) {
888
registry_key.ops = reghook_cache_find(registry_key.name);
889
if (registry_key.ops == NULL) {
893
/* lookup the values and subkeys */
895
result = regsubkey_ctr_init(regfile->mem_ctx, &subkeys);
896
W_ERROR_NOT_OK_RETURN(result);
898
values = TALLOC_ZERO_P(subkeys, REGVAL_CTR);
899
if (values == NULL) {
903
fetch_reg_keys(®istry_key, subkeys);
904
fetch_reg_values(®istry_key, values);
906
result = regkey_get_secdesc(regfile->mem_ctx, ®istry_key, &sec_desc);
907
if (!W_ERROR_IS_OK(result)) {
911
/* write out this key */
913
key = regfio_write_key(regfile, keyname, values, subkeys, sec_desc,
916
result = WERR_CAN_NOT_COMPLETE;
920
/* write each one of the subkeys out */
922
num_subkeys = regsubkey_ctr_numkeys(subkeys);
923
for (i=0; i<num_subkeys; i++) {
924
subkeyname = regsubkey_ctr_specific_key(subkeys, i);
925
subkeypath = talloc_asprintf(regfile->mem_ctx, "%s\\%s",
926
keypath, subkeyname);
927
if (subkeypath == NULL) {
931
result = reg_write_tree(regfile, subkeypath, key);
932
if (!W_ERROR_IS_OK(result))
936
DEBUG(6, ("reg_write_tree: wrote key [%s]\n", keypath));
939
TALLOC_FREE(subkeys);
940
TALLOC_FREE(registry_key.name);
945
static WERROR backup_registry_key(REGISTRY_KEY *krecord, const char *fname)
950
/* open the registry file....fail if the file already exists */
952
regfile = regfio_open(fname, (O_RDWR|O_CREAT|O_EXCL),
954
if (regfile == NULL) {
955
DEBUG(0,("backup_registry_key: failed to open \"%s\" (%s)\n",
956
fname, strerror(errno) ));
957
return ntstatus_to_werror(map_nt_error_from_unix(errno));
960
/* write the registry tree to the file */
962
result = reg_write_tree(regfile, krecord->name, NULL);
966
regfio_close(regfile);
971
WERROR reg_savekey(struct registry_key *key, const char *fname)
973
return backup_registry_key(key->key, fname);
976
/**********************************************************************
977
* Higher level utility functions
978
**********************************************************************/
980
WERROR reg_deleteallvalues(struct registry_key *key)
985
if (!(key->key->access_granted & KEY_SET_VALUE)) {
986
return WERR_ACCESS_DENIED;
989
if (!W_ERROR_IS_OK(err = fill_value_cache(key))) {
993
for (i=0; i<key->values->num_values; i++) {
994
regval_ctr_delvalue(key->values, key->values->values[i]->valuename);
997
if (!store_reg_values(key->key, key->values)) {
998
TALLOC_FREE(key->values);
999
return WERR_REG_IO_FAILURE;
1006
* Utility function to open a complete registry path including the hive prefix.
1009
WERROR reg_open_path(TALLOC_CTX *mem_ctx, const char *orig_path,
1010
uint32 desired_access, const struct nt_user_token *token,
1011
struct registry_key **pkey)
1013
struct registry_key *hive, *key;
1017
if (!(path = SMB_STRDUP(orig_path))) {
1021
p = strchr(path, '\\');
1023
if ((p == NULL) || (p[1] == '\0')) {
1025
* No key behind the hive, just return the hive
1028
err = reg_openhive(mem_ctx, path, desired_access, token,
1030
if (!W_ERROR_IS_OK(err)) {
1041
err = reg_openhive(mem_ctx, path, KEY_ENUMERATE_SUB_KEYS, token,
1043
if (!W_ERROR_IS_OK(err)) {
1048
err = reg_openkey(mem_ctx, hive, p+1, desired_access, &key);
1053
if (!W_ERROR_IS_OK(err)) {
1062
* Utility function to delete a registry key with all its subkeys.
1063
* Note that reg_deletekey returns ACCESS_DENIED when called on a
1064
* key that has subkeys.
1066
static WERROR reg_deletekey_recursive_internal(TALLOC_CTX *ctx,
1067
struct registry_key *parent,
1071
TALLOC_CTX *mem_ctx = NULL;
1072
WERROR werr = WERR_OK;
1073
struct registry_key *key;
1074
char *subkey_name = NULL;
1077
mem_ctx = talloc_new(ctx);
1078
if (mem_ctx == NULL) {
1083
/* recurse through subkeys first */
1084
werr = reg_openkey(mem_ctx, parent, path, REG_KEY_ALL, &key);
1085
if (!W_ERROR_IS_OK(werr)) {
1089
werr = fill_subkey_cache(key);
1090
W_ERROR_NOT_OK_GOTO_DONE(werr);
1093
* loop from top to bottom for perfomance:
1094
* this way, we need to rehash the regsubkey containers less
1096
for (i = regsubkey_ctr_numkeys(key->subkeys) ; i > 0; i--) {
1097
subkey_name = regsubkey_ctr_specific_key(key->subkeys, i-1);
1098
werr = reg_deletekey_recursive_internal(mem_ctx, key,
1101
W_ERROR_NOT_OK_GOTO_DONE(werr);
1105
/* now delete the actual key */
1106
werr = reg_deletekey(parent, path);
1110
TALLOC_FREE(mem_ctx);
1114
static WERROR reg_deletekey_recursive_trans(TALLOC_CTX *ctx,
1115
struct registry_key *parent,
1121
werr = regdb_transaction_start();
1122
if (!W_ERROR_IS_OK(werr)) {
1123
DEBUG(0, ("reg_deletekey_recursive_trans: "
1124
"error starting transaction: %s\n",
1129
werr = reg_deletekey_recursive_internal(ctx, parent, path, del_key);
1131
if (!W_ERROR_IS_OK(werr)) {
1132
DEBUG(1, (__location__ " failed to delete key '%s' from key "
1133
"'%s': %s\n", path, parent->key->name,
1135
werr = regdb_transaction_cancel();
1136
if (!W_ERROR_IS_OK(werr)) {
1137
DEBUG(0, ("reg_deletekey_recursive_trans: "
1138
"error cancelling transaction: %s\n",
1142
werr = regdb_transaction_commit();
1143
if (!W_ERROR_IS_OK(werr)) {
1144
DEBUG(0, ("reg_deletekey_recursive_trans: "
1145
"error committing transaction: %s\n",
1153
WERROR reg_deletekey_recursive(TALLOC_CTX *ctx,
1154
struct registry_key *parent,
1157
return reg_deletekey_recursive_trans(ctx, parent, path, true);
1160
WERROR reg_deletesubkeys_recursive(TALLOC_CTX *ctx,
1161
struct registry_key *parent,
1164
return reg_deletekey_recursive_trans(ctx, parent, path, false);
1168
/* these two functions are unused. */
1171
* Utility function to create a registry key without opening the hive
1172
* before. Assumes the hive already exists.
1175
WERROR reg_create_path(TALLOC_CTX *mem_ctx, const char *orig_path,
1176
uint32 desired_access,
1177
const struct nt_user_token *token,
1178
enum winreg_CreateAction *paction,
1179
struct registry_key **pkey)
1181
struct registry_key *hive;
1185
if (!(path = SMB_STRDUP(orig_path))) {
1189
p = strchr(path, '\\');
1191
if ((p == NULL) || (p[1] == '\0')) {
1193
* No key behind the hive, just return the hive
1196
err = reg_openhive(mem_ctx, path, desired_access, token,
1198
if (!W_ERROR_IS_OK(err)) {
1204
*paction = REG_OPENED_EXISTING_KEY;
1210
err = reg_openhive(mem_ctx, path,
1211
(strchr(p+1, '\\') != NULL) ?
1212
KEY_ENUMERATE_SUB_KEYS : KEY_CREATE_SUB_KEY,
1214
if (!W_ERROR_IS_OK(err)) {
1219
err = reg_createkey(mem_ctx, hive, p+1, desired_access, pkey, paction);
1226
* Utility function to create a registry key without opening the hive
1227
* before. Will not delete a hive.
1230
WERROR reg_delete_path(const struct nt_user_token *token,
1231
const char *orig_path)
1233
struct registry_key *hive;
1237
if (!(path = SMB_STRDUP(orig_path))) {
1241
p = strchr(path, '\\');
1243
if ((p == NULL) || (p[1] == '\0')) {
1245
return WERR_INVALID_PARAM;
1250
err = reg_openhive(NULL, path,
1251
(strchr(p+1, '\\') != NULL) ?
1252
KEY_ENUMERATE_SUB_KEYS : KEY_CREATE_SUB_KEY,
1254
if (!W_ERROR_IS_OK(err)) {
1259
err = reg_deletekey(hive, p+1);