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Implement NtAccessCheck.
[wine/gsoc-2012-control.git] / dlls / advapi32 / registry.c
blobd813cfb04a54a8a176d1970af54fcaa00b5d3719
1 /*
2 * Registry management
3 *
4 * Copyright (C) 1999 Alexandre Julliard
5 *
6 * Based on misc/registry.c code
7 * Copyright (C) 1996 Marcus Meissner
8 * Copyright (C) 1998 Matthew Becker
9 * Copyright (C) 1999 Sylvain St-Germain
10 *
11 * This file is concerned about handle management and interaction with the Wine server.
12 * Registry file I/O is in misc/registry.c.
13 *
14 * This library is free software; you can redistribute it and/or
15 * modify it under the terms of the GNU Lesser General Public
16 * License as published by the Free Software Foundation; either
17 * version 2.1 of the License, or (at your option) any later version.
18 *
19 * This library is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
22 * Lesser General Public License for more details.
23 *
24 * You should have received a copy of the GNU Lesser General Public
25 * License along with this library; if not, write to the Free Software
26 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 */
28
29 #include <stdlib.h>
30 #include <stdarg.h>
31 #include <stdio.h>
32
33 #include "windef.h"
34 #include "winbase.h"
35 #include "winreg.h"
36 #include "winerror.h"
37 #include "ntstatus.h"
38 #include "winternl.h"
39
40 #include "wine/unicode.h"
41 #include "wine/debug.h"
42
43 WINE_DEFAULT_DEBUG_CHANNEL(reg);
44
45 /* allowed bits for access mask */
46 #define KEY_ACCESS_MASK (KEY_ALL_ACCESS | MAXIMUM_ALLOWED)
47
48 #define HKEY_SPECIAL_ROOT_FIRST HKEY_CLASSES_ROOT
49 #define HKEY_SPECIAL_ROOT_LAST HKEY_DYN_DATA
50 #define NB_SPECIAL_ROOT_KEYS ((UINT)HKEY_SPECIAL_ROOT_LAST - (UINT)HKEY_SPECIAL_ROOT_FIRST + 1)
51
52 static HKEY special_root_keys[NB_SPECIAL_ROOT_KEYS];
53
54 static const WCHAR name_CLASSES_ROOT[] =
55 {'M','a','c','h','i','n','e','\\',
56 'S','o','f','t','w','a','r','e','\\',
57 'C','l','a','s','s','e','s',0};
58 static const WCHAR name_LOCAL_MACHINE[] =
59 {'M','a','c','h','i','n','e',0};
60 static const WCHAR name_USERS[] =
61 {'U','s','e','r',0};
62 static const WCHAR name_PERFORMANCE_DATA[] =
63 {'P','e','r','f','D','a','t','a',0};
64 static const WCHAR name_CURRENT_CONFIG[] =
65 {'M','a','c','h','i','n','e','\\',
66 'S','y','s','t','e','m','\\',
67 'C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\\',
68 'H','a','r','d','w','a','r','e',' ','P','r','o','f','i','l','e','s','\\',
69 'C','u','r','r','e','n','t',0};
70 static const WCHAR name_DYN_DATA[] =
71 {'D','y','n','D','a','t','a',0};
72
73 #define DECL_STR(key) { sizeof(name_##key)-sizeof(WCHAR), sizeof(name_##key), (LPWSTR)name_##key }
74 static UNICODE_STRING root_key_names[NB_SPECIAL_ROOT_KEYS] =
75 {
76 DECL_STR(CLASSES_ROOT),
77 { 0, 0, NULL }, /* HKEY_CURRENT_USER is determined dynamically */
78 DECL_STR(LOCAL_MACHINE),
79 DECL_STR(USERS),
80 DECL_STR(PERFORMANCE_DATA),
81 DECL_STR(CURRENT_CONFIG),
82 DECL_STR(DYN_DATA)
83 };
84 #undef DECL_STR
85
86
87 /* check if value type needs string conversion (Ansi<->Unicode) */
88 inline static int is_string( DWORD type )
89 {
90 return (type == REG_SZ) || (type == REG_EXPAND_SZ) || (type == REG_MULTI_SZ);
91 }
92
93 /* check if current version is NT or Win95 */
94 inline static int is_version_nt(void)
95 {
96 return !(GetVersion() & 0x80000000);
97 }
98
99 /* create one of the HKEY_* special root keys */
100 static HKEY create_special_root_hkey( HKEY hkey, DWORD access )
101 {
102 HKEY ret = 0;
103 int idx = (UINT)hkey - (UINT)HKEY_SPECIAL_ROOT_FIRST;
104
105 if (hkey == HKEY_CURRENT_USER)
106 {
107 if (RtlOpenCurrentUser( access, &hkey )) return 0;
108 TRACE( "HKEY_CURRENT_USER -> %p\n", hkey );
109 }
110 else
111 {
112 OBJECT_ATTRIBUTES attr;
113
114 attr.Length = sizeof(attr);
115 attr.RootDirectory = 0;
116 attr.ObjectName = &root_key_names[idx];
117 attr.Attributes = 0;
118 attr.SecurityDescriptor = NULL;
119 attr.SecurityQualityOfService = NULL;
120 if (NtCreateKey( &hkey, access, &attr, 0, NULL, 0, NULL )) return 0;
121 TRACE( "%s -> %p\n", debugstr_w(attr.ObjectName->Buffer), hkey );
122 }
123
124 if (!(ret = InterlockedCompareExchangePointer( (void **)&special_root_keys[idx], hkey, 0 )))
125 ret = hkey;
126 else
127 NtClose( hkey ); /* somebody beat us to it */
128 return ret;
129 }
130
131 /* map the hkey from special root to normal key if necessary */
132 inline static HKEY get_special_root_hkey( HKEY hkey )
133 {
134 HKEY ret = hkey;
135
136 if ((hkey >= HKEY_SPECIAL_ROOT_FIRST) && (hkey <= HKEY_SPECIAL_ROOT_LAST))
137 {
138 if (!(ret = special_root_keys[(UINT)hkey - (UINT)HKEY_SPECIAL_ROOT_FIRST]))
139 ret = create_special_root_hkey( hkey, KEY_ALL_ACCESS );
140 }
141 return ret;
142 }
143
144
145 /******************************************************************************
146 * RegCreateKeyExW [ADVAPI32.@]
147 *
148 * See RegCreateKeyExA.
149 */
150 DWORD WINAPI RegCreateKeyExW( HKEY hkey, LPCWSTR name, DWORD reserved, LPCWSTR class,
151 DWORD options, REGSAM access, SECURITY_ATTRIBUTES *sa,
152 PHKEY retkey, LPDWORD dispos )
153 {
154 OBJECT_ATTRIBUTES attr;
155 UNICODE_STRING nameW, classW;
156
157 if (reserved) return ERROR_INVALID_PARAMETER;
158 if (!(access & KEY_ACCESS_MASK) || (access & ~KEY_ACCESS_MASK)) return ERROR_ACCESS_DENIED;
159 if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
160
161 attr.Length = sizeof(attr);
162 attr.RootDirectory = hkey;
163 attr.ObjectName = &nameW;
164 attr.Attributes = 0;
165 attr.SecurityDescriptor = NULL;
166 attr.SecurityQualityOfService = NULL;
167 RtlInitUnicodeString( &nameW, name );
168 RtlInitUnicodeString( &classW, class );
169
170 return RtlNtStatusToDosError( NtCreateKey( retkey, access, &attr, 0,
171 &classW, options, dispos ) );
172 }
173
174
175 /******************************************************************************
176 * RegCreateKeyExA [ADVAPI32.@]
177 *
178 * Open a registry key, creating it if it doesn't exist.
179 *
180 * PARAMS
181 * hkey [I] Handle of the parent registry key
182 * name [I] Name of the new key to open or create
183 * reserved [I] Reserved, pass 0
184 * class [I] The object type of the new key
185 * options [I] Flags controlling the key creation (REG_OPTION_* flags from "winnt.h")
186 * access [I] Access level desired
187 * sa [I] Security attributes for the key
188 * retkey [O] Destination for the resulting handle
189 * dispos [O] Receives REG_CREATED_NEW_KEY or REG_OPENED_EXISTING_KEY
190 *
191 * RETURNS
192 * Success: ERROR_SUCCESS.
193 * Failure: A standard Win32 error code. retkey remains untouched.
194 *
195 * FIXME
196 * MAXIMUM_ALLOWED in access mask not supported by server
197 */
198 DWORD WINAPI RegCreateKeyExA( HKEY hkey, LPCSTR name, DWORD reserved, LPCSTR class,
199 DWORD options, REGSAM access, SECURITY_ATTRIBUTES *sa,
200 PHKEY retkey, LPDWORD dispos )
201 {
202 OBJECT_ATTRIBUTES attr;
203 UNICODE_STRING classW;
204 ANSI_STRING nameA, classA;
205 NTSTATUS status;
206
207 if (reserved) return ERROR_INVALID_PARAMETER;
208 if (!is_version_nt()) access = KEY_ALL_ACCESS; /* Win95 ignores the access mask */
209 else if (!(access & KEY_ACCESS_MASK) || (access & ~KEY_ACCESS_MASK)) return ERROR_ACCESS_DENIED;
210 if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
211
212 attr.Length = sizeof(attr);
213 attr.RootDirectory = hkey;
214 attr.ObjectName = &NtCurrentTeb()->StaticUnicodeString;
215 attr.Attributes = 0;
216 attr.SecurityDescriptor = NULL;
217 attr.SecurityQualityOfService = NULL;
218 RtlInitAnsiString( &nameA, name );
219 RtlInitAnsiString( &classA, class );
220
221 if (!(status = RtlAnsiStringToUnicodeString( &NtCurrentTeb()->StaticUnicodeString,
222 &nameA, FALSE )))
223 {
224 if (!(status = RtlAnsiStringToUnicodeString( &classW, &classA, TRUE )))
225 {
226 status = NtCreateKey( retkey, access, &attr, 0, &classW, options, dispos );
227 RtlFreeUnicodeString( &classW );
228 }
229 }
230 return RtlNtStatusToDosError( status );
231 }
232
233
234 /******************************************************************************
235 * RegCreateKeyW [ADVAPI32.@]
236 *
237 * Creates the specified reg key.
238 *
239 * PARAMS
240 * hKey [I] Handle to an open key.
241 * lpSubKey [I] Name of a key that will be opened or created.
242 * phkResult [O] Receives a handle to the opened or created key.
243 *
244 * RETURNS
245 * Success: ERROR_SUCCESS
246 * Failure: nonzero error code defined in Winerror.h
247 */
248 DWORD WINAPI RegCreateKeyW( HKEY hkey, LPCWSTR lpSubKey, PHKEY phkResult )
249 {
250 /* FIXME: previous implementation converted ERROR_INVALID_HANDLE to ERROR_BADKEY, */
251 /* but at least my version of NT (4.0 SP5) doesn't do this. -- AJ */
252 return RegCreateKeyExW( hkey, lpSubKey, 0, NULL, REG_OPTION_NON_VOLATILE,
253 KEY_ALL_ACCESS, NULL, phkResult, NULL );
254 }
255
256
257 /******************************************************************************
258 * RegCreateKeyA [ADVAPI32.@]
259 *
260 * see RegCreateKeyW
261 */
262 DWORD WINAPI RegCreateKeyA( HKEY hkey, LPCSTR lpSubKey, PHKEY phkResult )
263 {
264 return RegCreateKeyExA( hkey, lpSubKey, 0, NULL, REG_OPTION_NON_VOLATILE,
265 KEY_ALL_ACCESS, NULL, phkResult, NULL );
266 }
267
268
269
270 /******************************************************************************
271 * RegOpenKeyExW [ADVAPI32.@]
272 *
273 * See RegOpenKeyExA.
274 */
275 DWORD WINAPI RegOpenKeyExW( HKEY hkey, LPCWSTR name, DWORD reserved, REGSAM access, PHKEY retkey )
276 {
277 OBJECT_ATTRIBUTES attr;
278 UNICODE_STRING nameW;
279
280 if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
281
282 attr.Length = sizeof(attr);
283 attr.RootDirectory = hkey;
284 attr.ObjectName = &nameW;
285 attr.Attributes = 0;
286 attr.SecurityDescriptor = NULL;
287 attr.SecurityQualityOfService = NULL;
288 RtlInitUnicodeString( &nameW, name );
289 return RtlNtStatusToDosError( NtOpenKey( retkey, access, &attr ) );
290 }
291
292
293 /******************************************************************************
294 * RegOpenKeyExA [ADVAPI32.@]
295 *
296 * Open a registry key.
297 *
298 * PARAMS
299 * hkey [I] Handle of open key
300 * name [I] Name of subkey to open
301 * reserved [I] Reserved - must be zero
302 * access [I] Security access mask
303 * retkey [O] Handle to open key
304 *
305 * RETURNS
306 * Success: ERROR_SUCCESS
307 * Failure: A standard Win32 error code. retkey is set to 0.
308 *
309 * NOTES
310 * Unlike RegCreateKeyExA(), this function will not create the key if it
311 * does not exist.
312 */
313 DWORD WINAPI RegOpenKeyExA( HKEY hkey, LPCSTR name, DWORD reserved, REGSAM access, PHKEY retkey )
314 {
315 OBJECT_ATTRIBUTES attr;
316 STRING nameA;
317 NTSTATUS status;
318
319 if (!is_version_nt()) access = KEY_ALL_ACCESS; /* Win95 ignores the access mask */
320
321 if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
322
323 attr.Length = sizeof(attr);
324 attr.RootDirectory = hkey;
325 attr.ObjectName = &NtCurrentTeb()->StaticUnicodeString;
326 attr.Attributes = 0;
327 attr.SecurityDescriptor = NULL;
328 attr.SecurityQualityOfService = NULL;
329
330 RtlInitAnsiString( &nameA, name );
331 if (!(status = RtlAnsiStringToUnicodeString( &NtCurrentTeb()->StaticUnicodeString,
332 &nameA, FALSE )))
333 {
334 status = NtOpenKey( retkey, access, &attr );
335 }
336 return RtlNtStatusToDosError( status );
337 }
338
339
340 /******************************************************************************
341 * RegOpenKeyW [ADVAPI32.@]
342 *
343 * See RegOpenKeyA.
344 */
345 DWORD WINAPI RegOpenKeyW( HKEY hkey, LPCWSTR name, PHKEY retkey )
346 {
347 if (!name || !*name)
348 {
349 *retkey = hkey;
350 return ERROR_SUCCESS;
351 }
352 return RegOpenKeyExW( hkey, name, 0, KEY_ALL_ACCESS, retkey );
353 }
354
355
356 /******************************************************************************
357 * RegOpenKeyA [ADVAPI32.@]
358 *
359 * Open a registry key.
360 *
361 * PARAMS
362 * hkey [I] Handle of parent key to open the new key under
363 * name [I] Name of the key under hkey to open
364 * retkey [O] Destination for the resulting Handle
365 *
366 * RETURNS
367 * Success: ERROR_SUCCESS
368 * Failure: A standard Win32 error code. retkey is set to 0.
369 */
370 DWORD WINAPI RegOpenKeyA( HKEY hkey, LPCSTR name, PHKEY retkey )
371 {
372 if (!name || !*name)
373 {
374 *retkey = hkey;
375 return ERROR_SUCCESS;
376 }
377 return RegOpenKeyExA( hkey, name, 0, KEY_ALL_ACCESS, retkey );
378 }
379
380
381 /******************************************************************************
382 * RegOpenCurrentUser [ADVAPI32.@]
383 *
384 * FIXME: This function is supposed to retrieve a handle to the
385 * HKEY_CURRENT_USER for the user the current thread is impersonating.
386 * Since Wine does not currently allow threads to impersonate other users,
387 * this stub should work fine.
388 */
389 DWORD WINAPI RegOpenCurrentUser( REGSAM access, PHKEY retkey )
390 {
391 return RegOpenKeyExA( HKEY_CURRENT_USER, "", 0, access, retkey );
392 }
393
394
395
396 /******************************************************************************
397 * RegEnumKeyExW [ADVAPI32.@]
398 *
399 * PARAMS
400 * hkey [I] Handle to key to enumerate
401 * index [I] Index of subkey to enumerate
402 * name [O] Buffer for subkey name
403 * name_len [O] Size of subkey buffer
404 * reserved [I] Reserved
405 * class [O] Buffer for class string
406 * class_len [O] Size of class buffer
407 * ft [O] Time key last written to
408 *
409 * RETURNS
410 * Success: ERROR_SUCCESS
411 * Failure: System error code. If there are no more subkeys available, the
412 * function returns ERROR_NO_MORE_ITEMS.
413 */
414 DWORD WINAPI RegEnumKeyExW( HKEY hkey, DWORD index, LPWSTR name, LPDWORD name_len,
415 LPDWORD reserved, LPWSTR class, LPDWORD class_len, FILETIME *ft )
416 {
417 NTSTATUS status;
418 char buffer[256], *buf_ptr = buffer;
419 KEY_NODE_INFORMATION *info = (KEY_NODE_INFORMATION *)buffer;
420 DWORD total_size;
421
422 TRACE( "(%p,%ld,%p,%p(%ld),%p,%p,%p,%p)\n", hkey, index, name, name_len,
423 name_len ? *name_len : -1, reserved, class, class_len, ft );
424
425 if (reserved) return ERROR_INVALID_PARAMETER;
426 if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
427
428 status = NtEnumerateKey( hkey, index, KeyNodeInformation,
429 buffer, sizeof(buffer), &total_size );
430
431 while (status == STATUS_BUFFER_OVERFLOW)
432 {
433 /* retry with a dynamically allocated buffer */
434 if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
435 if (!(buf_ptr = HeapAlloc( GetProcessHeap(), 0, total_size )))
436 return ERROR_NOT_ENOUGH_MEMORY;
437 info = (KEY_NODE_INFORMATION *)buf_ptr;
438 status = NtEnumerateKey( hkey, index, KeyNodeInformation,
439 buf_ptr, total_size, &total_size );
440 }
441
442 if (!status)
443 {
444 DWORD len = info->NameLength / sizeof(WCHAR);
445 DWORD cls_len = info->ClassLength / sizeof(WCHAR);
446
447 if (ft) *ft = *(FILETIME *)&info->LastWriteTime;
448
449 if (len >= *name_len || (class && class_len && (cls_len >= *class_len)))
450 status = STATUS_BUFFER_OVERFLOW;
451 else
452 {
453 *name_len = len;
454 memcpy( name, info->Name, info->NameLength );
455 name[len] = 0;
456 if (class_len)
457 {
458 *class_len = cls_len;
459 if (class)
460 {
461 memcpy( class, buf_ptr + info->ClassOffset, info->ClassLength );
462 class[cls_len] = 0;
463 }
464 }
465 }
466 }
467
468 if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
469 return RtlNtStatusToDosError( status );
470 }
471
472
473 /******************************************************************************
474 * RegEnumKeyExA [ADVAPI32.@]
475 *
476 * see RegEnumKeyExW
477 */
478 DWORD WINAPI RegEnumKeyExA( HKEY hkey, DWORD index, LPSTR name, LPDWORD name_len,
479 LPDWORD reserved, LPSTR class, LPDWORD class_len, FILETIME *ft )
480 {
481 NTSTATUS status;
482 char buffer[256], *buf_ptr = buffer;
483 KEY_NODE_INFORMATION *info = (KEY_NODE_INFORMATION *)buffer;
484 DWORD total_size;
485
486 TRACE( "(%p,%ld,%p,%p(%ld),%p,%p,%p,%p)\n", hkey, index, name, name_len,
487 name_len ? *name_len : -1, reserved, class, class_len, ft );
488
489 if (reserved) return ERROR_INVALID_PARAMETER;
490 if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
491
492 status = NtEnumerateKey( hkey, index, KeyNodeInformation,
493 buffer, sizeof(buffer), &total_size );
494
495 while (status == STATUS_BUFFER_OVERFLOW)
496 {
497 /* retry with a dynamically allocated buffer */
498 if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
499 if (!(buf_ptr = HeapAlloc( GetProcessHeap(), 0, total_size )))
500 return ERROR_NOT_ENOUGH_MEMORY;
501 info = (KEY_NODE_INFORMATION *)buf_ptr;
502 status = NtEnumerateKey( hkey, index, KeyNodeInformation,
503 buf_ptr, total_size, &total_size );
504 }
505
506 if (!status)
507 {
508 DWORD len, cls_len;
509
510 RtlUnicodeToMultiByteSize( &len, info->Name, info->NameLength );
511 RtlUnicodeToMultiByteSize( &cls_len, (WCHAR *)(buf_ptr + info->ClassOffset),
512 info->ClassLength );
513 if (ft) *ft = *(FILETIME *)&info->LastWriteTime;
514
515 if (len >= *name_len || (class && class_len && (cls_len >= *class_len)))
516 status = STATUS_BUFFER_OVERFLOW;
517 else
518 {
519 *name_len = len;
520 RtlUnicodeToMultiByteN( name, len, NULL, info->Name, info->NameLength );
521 name[len] = 0;
522 if (class_len)
523 {
524 *class_len = cls_len;
525 if (class)
526 {
527 RtlUnicodeToMultiByteN( class, cls_len, NULL,
528 (WCHAR *)(buf_ptr + info->ClassOffset),
529 info->ClassLength );
530 class[cls_len] = 0;
531 }
532 }
533 }
534 }
535
536 if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
537 return RtlNtStatusToDosError( status );
538 }
539
540
541 /******************************************************************************
542 * RegEnumKeyW [ADVAPI32.@]
543 *
544 * Enumerates subkyes of the specified open reg key.
545 *
546 * PARAMS
547 * hKey [I] Handle to an open key.
548 * dwIndex [I] Index of the subkey of hKey to retrieve.
549 * lpName [O] Name of the subkey.
550 * cchName [I] Size of lpName in TCHARS.
551 *
552 * RETURNS
553 * Success: ERROR_SUCCESS
554 * Failure: system error code. If there are no more subkeys available, the
555 * function returns ERROR_NO_MORE_ITEMS.
556 */
557 DWORD WINAPI RegEnumKeyW( HKEY hkey, DWORD index, LPWSTR name, DWORD name_len )
558 {
559 return RegEnumKeyExW( hkey, index, name, &name_len, NULL, NULL, NULL, NULL );
560 }
561
562
563 /******************************************************************************
564 * RegEnumKeyA [ADVAPI32.@]
565 *
566 * see RegEnumKeyW
567 */
568 DWORD WINAPI RegEnumKeyA( HKEY hkey, DWORD index, LPSTR name, DWORD name_len )
569 {
570 return RegEnumKeyExA( hkey, index, name, &name_len, NULL, NULL, NULL, NULL );
571 }
572
573
574 /******************************************************************************
575 * RegQueryInfoKeyW [ADVAPI32.@]
576 *
577 * PARAMS
578 * hkey [I] Handle to key to query
579 * class [O] Buffer for class string
580 * class_len [O] Size of class string buffer
581 * reserved [I] Reserved
582 * subkeys [O] Buffer for number of subkeys
583 * max_subkey [O] Buffer for longest subkey name length
584 * max_class [O] Buffer for longest class string length
585 * values [O] Buffer for number of value entries
586 * max_value [O] Buffer for longest value name length
587 * max_data [O] Buffer for longest value data length
588 * security [O] Buffer for security descriptor length
589 * modif [O] Modification time
590 *
591 * - win95 allows class to be valid and class_len to be NULL
592 * - winnt returns ERROR_INVALID_PARAMETER if class is valid and class_len is NULL
593 * - both allow class to be NULL and class_len to be NULL
594 * (it's hard to test validity, so test !NULL instead)
595 */
596 DWORD WINAPI RegQueryInfoKeyW( HKEY hkey, LPWSTR class, LPDWORD class_len, LPDWORD reserved,
597 LPDWORD subkeys, LPDWORD max_subkey, LPDWORD max_class,
598 LPDWORD values, LPDWORD max_value, LPDWORD max_data,
599 LPDWORD security, FILETIME *modif )
600 {
601 NTSTATUS status;
602 char buffer[256], *buf_ptr = buffer;
603 KEY_FULL_INFORMATION *info = (KEY_FULL_INFORMATION *)buffer;
604 DWORD total_size;
605
606 TRACE( "(%p,%p,%ld,%p,%p,%p,%p,%p,%p,%p,%p)\n", hkey, class, class_len ? *class_len : 0,
607 reserved, subkeys, max_subkey, values, max_value, max_data, security, modif );
608
609 if (class && !class_len && is_version_nt()) return ERROR_INVALID_PARAMETER;
610 if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
611
612 status = NtQueryKey( hkey, KeyFullInformation, buffer, sizeof(buffer), &total_size );
613 if (status && status != STATUS_BUFFER_OVERFLOW) goto done;
614
615 if (class)
616 {
617 /* retry with a dynamically allocated buffer */
618 while (status == STATUS_BUFFER_OVERFLOW)
619 {
620 if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
621 if (!(buf_ptr = HeapAlloc( GetProcessHeap(), 0, total_size )))
622 return ERROR_NOT_ENOUGH_MEMORY;
623 info = (KEY_FULL_INFORMATION *)buf_ptr;
624 status = NtQueryKey( hkey, KeyFullInformation, buf_ptr, total_size, &total_size );
625 }
626
627 if (status) goto done;
628
629 if (class_len && (info->ClassLength/sizeof(WCHAR) + 1 > *class_len))
630 {
631 status = STATUS_BUFFER_OVERFLOW;
632 }
633 else
634 {
635 memcpy( class, buf_ptr + info->ClassOffset, info->ClassLength );
636 class[info->ClassLength/sizeof(WCHAR)] = 0;
637 }
638 }
639 else status = STATUS_SUCCESS;
640
641 if (class_len) *class_len = info->ClassLength / sizeof(WCHAR);
642 if (subkeys) *subkeys = info->SubKeys;
643 if (max_subkey) *max_subkey = info->MaxNameLen;
644 if (max_class) *max_class = info->MaxClassLen;
645 if (values) *values = info->Values;
646 if (max_value) *max_value = info->MaxValueNameLen;
647 if (max_data) *max_data = info->MaxValueDataLen;
648 if (modif) *modif = *(FILETIME *)&info->LastWriteTime;
649
650 done:
651 if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
652 return RtlNtStatusToDosError( status );
653 }
654
655
656 /******************************************************************************
657 * RegQueryMultipleValuesA [ADVAPI32.@]
658 *
659 * Retrieves the type and data for a list of value names associated with a key.
660 *
661 * PARAMS
662 * hKey [I] Handle to an open key.
663 * val_list [O] Array of VALENT structures that describes the entries.
664 * num_vals [I] Number of elements in val_list.
665 * lpValueBuf [O] Pointer to a buffer that receives the data for each value.
666 * ldwTotsize [I/O] Size of lpValueBuf.
667 *
668 * RETURNS
669 * Success: ERROR_SUCCESS. ldwTotsize contains num bytes copied.
670 * Failure: nonzero error code from Winerror.h ldwTotsize contains num needed
671 * bytes.
672 */
673 DWORD WINAPI RegQueryMultipleValuesA(HKEY hkey, PVALENTA val_list, DWORD num_vals,
674 LPSTR lpValueBuf, LPDWORD ldwTotsize)
675 {
676 unsigned int i;
677 DWORD maxBytes = *ldwTotsize;
678 HRESULT status;
679 LPSTR bufptr = lpValueBuf;
680 *ldwTotsize = 0;
681
682 TRACE("(%p,%p,%ld,%p,%p=%ld)\n", hkey, val_list, num_vals, lpValueBuf, ldwTotsize, *ldwTotsize);
683
684 for(i=0; i < num_vals; ++i)
685 {
686
687 val_list[i].ve_valuelen=0;
688 status = RegQueryValueExA(hkey, val_list[i].ve_valuename, NULL, NULL, NULL, &val_list[i].ve_valuelen);
689 if(status != ERROR_SUCCESS)
690 {
691 return status;
692 }
693
694 if(lpValueBuf != NULL && *ldwTotsize + val_list[i].ve_valuelen <= maxBytes)
695 {
696 status = RegQueryValueExA(hkey, val_list[i].ve_valuename, NULL, &val_list[i].ve_type,
697 bufptr, &val_list[i].ve_valuelen);
698 if(status != ERROR_SUCCESS)
699 {
700 return status;
701 }
702
703 val_list[i].ve_valueptr = (DWORD_PTR)bufptr;
704
705 bufptr += val_list[i].ve_valuelen;
706 }
707
708 *ldwTotsize += val_list[i].ve_valuelen;
709 }
710 return lpValueBuf != NULL && *ldwTotsize <= maxBytes ? ERROR_SUCCESS : ERROR_MORE_DATA;
711 }
712
713
714 /******************************************************************************
715 * RegQueryMultipleValuesW [ADVAPI32.@]
716 *
717 * see RegQueryMultipleValuesA
718 */
719 DWORD WINAPI RegQueryMultipleValuesW(HKEY hkey, PVALENTW val_list, DWORD num_vals,
720 LPWSTR lpValueBuf, LPDWORD ldwTotsize)
721 {
722 unsigned int i;
723 DWORD maxBytes = *ldwTotsize;
724 HRESULT status;
725 LPSTR bufptr = (LPSTR)lpValueBuf;
726 *ldwTotsize = 0;
727
728 TRACE("(%p,%p,%ld,%p,%p=%ld)\n", hkey, val_list, num_vals, lpValueBuf, ldwTotsize, *ldwTotsize);
729
730 for(i=0; i < num_vals; ++i)
731 {
732 val_list[i].ve_valuelen=0;
733 status = RegQueryValueExW(hkey, val_list[i].ve_valuename, NULL, NULL, NULL, &val_list[i].ve_valuelen);
734 if(status != ERROR_SUCCESS)
735 {
736 return status;
737 }
738
739 if(lpValueBuf != NULL && *ldwTotsize + val_list[i].ve_valuelen <= maxBytes)
740 {
741 status = RegQueryValueExW(hkey, val_list[i].ve_valuename, NULL, &val_list[i].ve_type,
742 bufptr, &val_list[i].ve_valuelen);
743 if(status != ERROR_SUCCESS)
744 {
745 return status;
746 }
747
748 val_list[i].ve_valueptr = (DWORD_PTR)bufptr;
749
750 bufptr += val_list[i].ve_valuelen;
751 }
752
753 *ldwTotsize += val_list[i].ve_valuelen;
754 }
755 return lpValueBuf != NULL && *ldwTotsize <= maxBytes ? ERROR_SUCCESS : ERROR_MORE_DATA;
756 }
757
758 /******************************************************************************
759 * RegQueryInfoKeyA [ADVAPI32.@]
760 *
761 * Retrieves information about a registry key.
762 *
763 * PARAMS
764 * hKey [I] Handle to an open key.
765 * lpClass [O] Class string of the key.
766 * lpcClass [I/O] size of lpClass.
767 * lpReserved [I] Reserved; must be NULL.
768 * lpcSubKeys [O] Number of subkeys contained by the key.
769 * lpcMaxSubKeyLen [O] Size of the key's subkey with the longest name.
770 * lpcMaxClassLen [O] Size of the longest string specifying a subkey
771 * class in TCHARS.
772 * lpcValues [O] Number of values associated with the key.
773 * lpcMaxValueNameLen [O] Size of the key's longest value name in TCHARS.
774 * lpcMaxValueLen [O] Longest data component among the key's values
775 * lpcbSecurityDescriptor [O] Size of the key's security descriptor.
776 * lpftLastWriteTime [O] FILETIME strucutre that is the last write time.
777 *
778 * RETURNS
779 * Success: ERROR_SUCCESS
780 * Failure: nonzero error code from Winerror.h
781 */
782 DWORD WINAPI RegQueryInfoKeyA( HKEY hkey, LPSTR class, LPDWORD class_len, LPDWORD reserved,
783 LPDWORD subkeys, LPDWORD max_subkey, LPDWORD max_class,
784 LPDWORD values, LPDWORD max_value, LPDWORD max_data,
785 LPDWORD security, FILETIME *modif )
786 {
787 NTSTATUS status;
788 char buffer[256], *buf_ptr = buffer;
789 KEY_FULL_INFORMATION *info = (KEY_FULL_INFORMATION *)buffer;
790 DWORD total_size, len;
791
792 TRACE( "(%p,%p,%ld,%p,%p,%p,%p,%p,%p,%p,%p)\n", hkey, class, class_len ? *class_len : 0,
793 reserved, subkeys, max_subkey, values, max_value, max_data, security, modif );
794
795 if (class && !class_len && is_version_nt()) return ERROR_INVALID_PARAMETER;
796 if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
797
798 status = NtQueryKey( hkey, KeyFullInformation, buffer, sizeof(buffer), &total_size );
799 if (status && status != STATUS_BUFFER_OVERFLOW) goto done;
800
801 if (class || class_len)
802 {
803 /* retry with a dynamically allocated buffer */
804 while (status == STATUS_BUFFER_OVERFLOW)
805 {
806 if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
807 if (!(buf_ptr = HeapAlloc( GetProcessHeap(), 0, total_size )))
808 return ERROR_NOT_ENOUGH_MEMORY;
809 info = (KEY_FULL_INFORMATION *)buf_ptr;
810 status = NtQueryKey( hkey, KeyFullInformation, buf_ptr, total_size, &total_size );
811 }
812
813 if (status) goto done;
814
815 RtlUnicodeToMultiByteSize( &len, (WCHAR *)(buf_ptr + info->ClassOffset), info->ClassLength);
816 if (class_len)
817 {
818 if (len + 1 > *class_len) status = STATUS_BUFFER_OVERFLOW;
819 *class_len = len;
820 }
821 if (class && !status)
822 {
823 RtlUnicodeToMultiByteN( class, len, NULL, (WCHAR *)(buf_ptr + info->ClassOffset),
824 info->ClassLength );
825 class[len] = 0;
826 }
827 }
828 else status = STATUS_SUCCESS;
829
830 if (subkeys) *subkeys = info->SubKeys;
831 if (max_subkey) *max_subkey = info->MaxNameLen;
832 if (max_class) *max_class = info->MaxClassLen;
833 if (values) *values = info->Values;
834 if (max_value) *max_value = info->MaxValueNameLen;
835 if (max_data) *max_data = info->MaxValueDataLen;
836 if (modif) *modif = *(FILETIME *)&info->LastWriteTime;
837
838 done:
839 if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
840 return RtlNtStatusToDosError( status );
841 }
842
843
844 /******************************************************************************
845 * RegCloseKey [ADVAPI32.@]
846 *
847 * Close an open registry key.
848 *
849 * PARAMS
850 * hkey [I] Handle of key to close
851 *
852 * RETURNS
853 * Success: ERROR_SUCCESS
854 * Failure: Error code
855 */
856 DWORD WINAPI RegCloseKey( HKEY hkey )
857 {
858 if (!hkey) return ERROR_INVALID_HANDLE;
859 if (hkey >= (HKEY)0x80000000) return ERROR_SUCCESS;
860 return RtlNtStatusToDosError( NtClose( hkey ) );
861 }
862
863
864 /******************************************************************************
865 * RegDeleteKeyW [ADVAPI32.@]
866 *
867 * See RegDeleteKeyA.
868 */
869 DWORD WINAPI RegDeleteKeyW( HKEY hkey, LPCWSTR name )
870 {
871 DWORD ret;
872 HKEY tmp;
873
874 if (!name) return ERROR_INVALID_PARAMETER;
875
876 if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
877
878 if (!(ret = RegOpenKeyExW( hkey, name, 0, DELETE, &tmp )))
879 {
880 ret = RtlNtStatusToDosError( NtDeleteKey( tmp ) );
881 RegCloseKey( tmp );
882 }
883 TRACE("%s ret=%08lx\n", debugstr_w(name), ret);
884 return ret;
885 }
886
887
888 /******************************************************************************
889 * RegDeleteKeyA [ADVAPI32.@]
890 *
891 * Delete a registry key.
892 *
893 * PARAMS
894 * hkey [I] Handle to parent key containing the key to delete
895 * name [I] Name of the key user hkey to delete
896 *
897 * NOTES
898 *
899 * MSDN is wrong when it says that hkey must be opened with the DELETE access
900 * right. In reality, it opens a new handle with DELETE access.
901 *
902 * RETURNS
903 * Success: ERROR_SUCCESS
904 * Failure: Error code
905 */
906 DWORD WINAPI RegDeleteKeyA( HKEY hkey, LPCSTR name )
907 {
908 DWORD ret;
909 HKEY tmp;
910
911 if (!name) return ERROR_INVALID_PARAMETER;
912
913 if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
914
915 if (!(ret = RegOpenKeyExA( hkey, name, 0, DELETE, &tmp )))
916 {
917 if (!is_version_nt()) /* win95 does recursive key deletes */
918 {
919 CHAR name[MAX_PATH];
920
921 while(!RegEnumKeyA(tmp, 0, name, sizeof(name)))
922 {
923 if(RegDeleteKeyA(tmp, name)) /* recurse */
924 break;
925 }
926 }
927 ret = RtlNtStatusToDosError( NtDeleteKey( tmp ) );
928 RegCloseKey( tmp );
929 }
930 TRACE("%s ret=%08lx\n", debugstr_a(name), ret);
931 return ret;
932 }
933
934
935
936 /******************************************************************************
937 * RegSetValueExW [ADVAPI32.@]
938 *
939 * Set the data and contents of a registry value.
940 *
941 * PARAMS
942 * hkey [I] Handle of key to set value for
943 * name [I] Name of value to set
944 * reserved [I] Reserved, must be zero
945 * type [I] Type of the value being set
946 * data [I] The new contents of the value to set
947 * count [I] Size of data
948 *
949 * RETURNS
950 * Success: ERROR_SUCCESS
951 * Failure: Error code
952 */
953 DWORD WINAPI RegSetValueExW( HKEY hkey, LPCWSTR name, DWORD reserved,
954 DWORD type, CONST BYTE *data, DWORD count )
955 {
956 UNICODE_STRING nameW;
957
958 /* no need for version check, not implemented on win9x anyway */
959 if (count && is_string(type))
960 {
961 LPCWSTR str = (LPCWSTR)data;
962 /* if user forgot to count terminating null, add it (yes NT does this) */
963 if (str[count / sizeof(WCHAR) - 1] && !str[count / sizeof(WCHAR)])
964 count += sizeof(WCHAR);
965 }
966 if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
967
968 RtlInitUnicodeString( &nameW, name );
969 return RtlNtStatusToDosError( NtSetValueKey( hkey, &nameW, 0, type, data, count ) );
970 }
971
972
973 /******************************************************************************
974 * RegSetValueExA [ADVAPI32.@]
975 *
976 * see RegSetValueExW
977 *
978 * NOTES
979 * win95 does not care about count for REG_SZ and finds out the len by itself (js)
980 * NT does definitely care (aj)
981 */
982 DWORD WINAPI RegSetValueExA( HKEY hkey, LPCSTR name, DWORD reserved, DWORD type,
983 CONST BYTE *data, DWORD count )
984 {
985 ANSI_STRING nameA;
986 WCHAR *dataW = NULL;
987 NTSTATUS status;
988
989 if (!is_version_nt()) /* win95 */
990 {
991 if (type == REG_SZ)
992 {
993 if (!data) return ERROR_INVALID_PARAMETER;
994 count = strlen(data) + 1;
995 }
996 }
997 else if (count && is_string(type))
998 {
999 /* if user forgot to count terminating null, add it (yes NT does this) */
1000 if (data[count-1] && !data[count]) count++;
1001 }
1002
1003 if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
1004
1005 if (is_string( type )) /* need to convert to Unicode */
1006 {
1007 DWORD lenW;
1008 RtlMultiByteToUnicodeSize( &lenW, data, count );
1009 if (!(dataW = HeapAlloc( GetProcessHeap(), 0, lenW ))) return ERROR_OUTOFMEMORY;
1010 RtlMultiByteToUnicodeN( dataW, lenW, NULL, data, count );
1011 count = lenW;
1012 data = (BYTE *)dataW;
1013 }
1014
1015 RtlInitAnsiString( &nameA, name );
1016 if (!(status = RtlAnsiStringToUnicodeString( &NtCurrentTeb()->StaticUnicodeString,
1017 &nameA, FALSE )))
1018 {
1019 status = NtSetValueKey( hkey, &NtCurrentTeb()->StaticUnicodeString, 0, type, data, count );
1020 }
1021 HeapFree( GetProcessHeap(), 0, dataW );
1022 return RtlNtStatusToDosError( status );
1023 }
1024
1025
1026 /******************************************************************************
1027 * RegSetValueW [ADVAPI32.@]
1028 *
1029 * Sets the data for the default or unnamed value of a reg key.
1030 *
1031 * PARAMS
1032 * hKey [I] Handle to an open key.
1033 * lpSubKey [I] Name of a subkey of hKey.
1034 * dwType [I] Type of information to store.
1035 * lpData [I] String that contains the data to set for the default value.
1036 * cbData [I] Size of lpData.
1037 *
1038 * RETURNS
1039 * Success: ERROR_SUCCESS
1040 * Failure: nonzero error code from Winerror.h
1041 */
1042 DWORD WINAPI RegSetValueW( HKEY hkey, LPCWSTR name, DWORD type, LPCWSTR data, DWORD count )
1043 {
1044 HKEY subkey = hkey;
1045 DWORD ret;
1046
1047 TRACE("(%p,%s,%ld,%s,%ld)\n", hkey, debugstr_w(name), type, debugstr_w(data), count );
1048
1049 if (type != REG_SZ) return ERROR_INVALID_PARAMETER;
1050
1051 if (name && name[0]) /* need to create the subkey */
1052 {
1053 if ((ret = RegCreateKeyW( hkey, name, &subkey )) != ERROR_SUCCESS) return ret;
1054 }
1055
1056 ret = RegSetValueExW( subkey, NULL, 0, REG_SZ, (const BYTE*)data,
1057 (strlenW( data ) + 1) * sizeof(WCHAR) );
1058 if (subkey != hkey) RegCloseKey( subkey );
1059 return ret;
1060 }
1061
1062
1063 /******************************************************************************
1064 * RegSetValueA [ADVAPI32.@]
1065 *
1066 * see RegSetValueW
1067 */
1068 DWORD WINAPI RegSetValueA( HKEY hkey, LPCSTR name, DWORD type, LPCSTR data, DWORD count )
1069 {
1070 HKEY subkey = hkey;
1071 DWORD ret;
1072
1073 TRACE("(%p,%s,%ld,%s,%ld)\n", hkey, debugstr_a(name), type, debugstr_a(data), count );
1074
1075 if (type != REG_SZ) return ERROR_INVALID_PARAMETER;
1076
1077 if (name && name[0]) /* need to create the subkey */
1078 {
1079 if ((ret = RegCreateKeyA( hkey, name, &subkey )) != ERROR_SUCCESS) return ret;
1080 }
1081 ret = RegSetValueExA( subkey, NULL, 0, REG_SZ, (const BYTE*)data, strlen(data)+1 );
1082 if (subkey != hkey) RegCloseKey( subkey );
1083 return ret;
1084 }
1085
1086
1087
1088 /******************************************************************************
1089 * RegQueryValueExW [ADVAPI32.@]
1090 *
1091 * See RegQueryValueExA.
1092 */
1093 DWORD WINAPI RegQueryValueExW( HKEY hkey, LPCWSTR name, LPDWORD reserved, LPDWORD type,
1094 LPBYTE data, LPDWORD count )
1095 {
1096 NTSTATUS status;
1097 UNICODE_STRING name_str;
1098 DWORD total_size;
1099 char buffer[256], *buf_ptr = buffer;
1100 KEY_VALUE_PARTIAL_INFORMATION *info = (KEY_VALUE_PARTIAL_INFORMATION *)buffer;
1101 static const int info_size = offsetof( KEY_VALUE_PARTIAL_INFORMATION, Data );
1102
1103 TRACE("(%p,%s,%p,%p,%p,%p=%ld)\n",
1104 hkey, debugstr_w(name), reserved, type, data, count,
1105 (count && data) ? *count : 0 );
1106
1107 if ((data && !count) || reserved) return ERROR_INVALID_PARAMETER;
1108 if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
1109
1110 RtlInitUnicodeString( &name_str, name );
1111
1112 if (data) total_size = min( sizeof(buffer), *count + info_size );
1113 else total_size = info_size;
1114
1115 status = NtQueryValueKey( hkey, &name_str, KeyValuePartialInformation,
1116 buffer, total_size, &total_size );
1117 if (status && status != STATUS_BUFFER_OVERFLOW) goto done;
1118
1119 if (data)
1120 {
1121 /* retry with a dynamically allocated buffer */
1122 while (status == STATUS_BUFFER_OVERFLOW && total_size - info_size <= *count)
1123 {
1124 if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
1125 if (!(buf_ptr = HeapAlloc( GetProcessHeap(), 0, total_size )))
1126 return ERROR_NOT_ENOUGH_MEMORY;
1127 info = (KEY_VALUE_PARTIAL_INFORMATION *)buf_ptr;
1128 status = NtQueryValueKey( hkey, &name_str, KeyValuePartialInformation,
1129 buf_ptr, total_size, &total_size );
1130 }
1131
1132 if (!status)
1133 {
1134 memcpy( data, buf_ptr + info_size, total_size - info_size );
1135 /* if the type is REG_SZ and data is not 0-terminated
1136 * and there is enough space in the buffer NT appends a \0 */
1137 if (total_size - info_size <= *count-sizeof(WCHAR) && is_string(info->Type))
1138 {
1139 WCHAR *ptr = (WCHAR *)(data + total_size - info_size);
1140 if (ptr > (WCHAR *)data && ptr[-1]) *ptr = 0;
1141 }
1142 }
1143 else if (status != STATUS_BUFFER_OVERFLOW) goto done;
1144 }
1145 else status = STATUS_SUCCESS;
1146
1147 if (type) *type = info->Type;
1148 if (count) *count = total_size - info_size;
1149
1150 done:
1151 if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
1152 return RtlNtStatusToDosError(status);
1153 }
1154
1155
1156 /******************************************************************************
1157 * RegQueryValueExA [ADVAPI32.@]
1158 *
1159 * Get the type and contents of a specified value under with a key.
1160 *
1161 * PARAMS
1162 * hkey [I] Handle of the key to query
1163 * name [I] Name of value under hkey to query
1164 * reserved [I] Reserved - must be NULL
1165 * type [O] Destination for the value type, or NULL if not required
1166 * data [O] Destination for the values contents, or NULL if not required
1167 * count [I/O] Size of data, updated with the number of bytes returned
1168 *
1169 * RETURNS
1170 * Success: ERROR_SUCCESS. *count is updated with the number of bytes copied to data.
1171 * Failure: ERROR_INVALID_HANDLE, if hkey is invalid.
1172 * ERROR_INVALID_PARAMETER, if any other parameter is invalid.
1173 * ERROR_MORE_DATA, if on input *count is too small to hold the contents.
1174 *
1175 * NOTES
1176 * MSDN states that if data is too small it is partially filled. In reality
1177 * it remains untouched.
1178 */
1179 DWORD WINAPI RegQueryValueExA( HKEY hkey, LPCSTR name, LPDWORD reserved, LPDWORD type,
1180 LPBYTE data, LPDWORD count )
1181 {
1182 NTSTATUS status;
1183 ANSI_STRING nameA;
1184 DWORD total_size;
1185 char buffer[256], *buf_ptr = buffer;
1186 KEY_VALUE_PARTIAL_INFORMATION *info = (KEY_VALUE_PARTIAL_INFORMATION *)buffer;
1187 static const int info_size = offsetof( KEY_VALUE_PARTIAL_INFORMATION, Data );
1188
1189 TRACE("(%p,%s,%p,%p,%p,%p=%ld)\n",
1190 hkey, debugstr_a(name), reserved, type, data, count, count ? *count : 0 );
1191
1192 if ((data && !count) || reserved) return ERROR_INVALID_PARAMETER;
1193 if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
1194
1195 RtlInitAnsiString( &nameA, name );
1196 if ((status = RtlAnsiStringToUnicodeString( &NtCurrentTeb()->StaticUnicodeString,
1197 &nameA, FALSE )))
1198 return RtlNtStatusToDosError(status);
1199
1200 status = NtQueryValueKey( hkey, &NtCurrentTeb()->StaticUnicodeString,
1201 KeyValuePartialInformation, buffer, sizeof(buffer), &total_size );
1202 if (status && status != STATUS_BUFFER_OVERFLOW) goto done;
1203
1204 /* we need to fetch the contents for a string type even if not requested,
1205 * because we need to compute the length of the ASCII string. */
1206 if (data || is_string(info->Type))
1207 {
1208 /* retry with a dynamically allocated buffer */
1209 while (status == STATUS_BUFFER_OVERFLOW)
1210 {
1211 if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
1212 if (!(buf_ptr = HeapAlloc( GetProcessHeap(), 0, total_size )))
1213 {
1214 status = STATUS_NO_MEMORY;
1215 goto done;
1216 }
1217 info = (KEY_VALUE_PARTIAL_INFORMATION *)buf_ptr;
1218 status = NtQueryValueKey( hkey, &NtCurrentTeb()->StaticUnicodeString,
1219 KeyValuePartialInformation, buf_ptr, total_size, &total_size );
1220 }
1221
1222 if (status) goto done;
1223
1224 if (is_string(info->Type))
1225 {
1226 DWORD len;
1227
1228 RtlUnicodeToMultiByteSize( &len, (WCHAR *)(buf_ptr + info_size),
1229 total_size - info_size );
1230 if (data && len)
1231 {
1232 if (len > *count) status = STATUS_BUFFER_OVERFLOW;
1233 else
1234 {
1235 RtlUnicodeToMultiByteN( data, len, NULL, (WCHAR *)(buf_ptr + info_size),
1236 total_size - info_size );
1237 /* if the type is REG_SZ and data is not 0-terminated
1238 * and there is enough space in the buffer NT appends a \0 */
1239 if (len < *count && data[len-1]) data[len] = 0;
1240 }
1241 }
1242 total_size = len + info_size;
1243 }
1244 else if (data)
1245 {
1246 if (total_size - info_size > *count) status = STATUS_BUFFER_OVERFLOW;
1247 else memcpy( data, buf_ptr + info_size, total_size - info_size );
1248 }
1249 }
1250 else status = STATUS_SUCCESS;
1251
1252 if (type) *type = info->Type;
1253 if (count) *count = total_size - info_size;
1254
1255 done:
1256 if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
1257 return RtlNtStatusToDosError(status);
1258 }
1259
1260
1261 /******************************************************************************
1262 * RegQueryValueW [ADVAPI32.@]
1263 *
1264 * Retrieves the data associated with the default or unnamed value of a key.
1265 *
1266 * PARAMS
1267 * hkey [I] Handle to an open key.
1268 * name [I] Name of the subkey of hKey.
1269 * data [O] Receives the string associated with the default value
1270 * of the key.
1271 * count [I/O] Size of lpValue in bytes.
1272 *
1273 * RETURNS
1274 * Success: ERROR_SUCCESS
1275 * Failure: nonzero error code from Winerror.h
1276 */
1277 DWORD WINAPI RegQueryValueW( HKEY hkey, LPCWSTR name, LPWSTR data, LPLONG count )
1278 {
1279 DWORD ret;
1280 HKEY subkey = hkey;
1281
1282 TRACE("(%p,%s,%p,%ld)\n", hkey, debugstr_w(name), data, count ? *count : 0 );
1283
1284 if (name && name[0])
1285 {
1286 if ((ret = RegOpenKeyW( hkey, name, &subkey )) != ERROR_SUCCESS) return ret;
1287 }
1288 ret = RegQueryValueExW( subkey, NULL, NULL, NULL, (LPBYTE)data, count );
1289 if (subkey != hkey) RegCloseKey( subkey );
1290 if (ret == ERROR_FILE_NOT_FOUND)
1291 {
1292 /* return empty string if default value not found */
1293 if (data) *data = 0;
1294 if (count) *count = sizeof(WCHAR);
1295 ret = ERROR_SUCCESS;
1296 }
1297 return ret;
1298 }
1299
1300
1301 /******************************************************************************
1302 * RegQueryValueA [ADVAPI32.@]
1303 *
1304 * see RegQueryValueW
1305 */
1306 DWORD WINAPI RegQueryValueA( HKEY hkey, LPCSTR name, LPSTR data, LPLONG count )
1307 {
1308 DWORD ret;
1309 HKEY subkey = hkey;
1310
1311 TRACE("(%p,%s,%p,%ld)\n", hkey, debugstr_a(name), data, count ? *count : 0 );
1312
1313 if (name && name[0])
1314 {
1315 if ((ret = RegOpenKeyA( hkey, name, &subkey )) != ERROR_SUCCESS) return ret;
1316 }
1317 ret = RegQueryValueExA( subkey, NULL, NULL, NULL, (LPBYTE)data, count );
1318 if (subkey != hkey) RegCloseKey( subkey );
1319 if (ret == ERROR_FILE_NOT_FOUND)
1320 {
1321 /* return empty string if default value not found */
1322 if (data) *data = 0;
1323 if (count) *count = 1;
1324 ret = ERROR_SUCCESS;
1325 }
1326 return ret;
1327 }
1328
1329
1330 /******************************************************************************
1331 * RegEnumValueW [ADVAPI32.@]
1332 *
1333 * PARAMS
1334 * hkey [I] Handle to key to query
1335 * index [I] Index of value to query
1336 * value [O] Value string
1337 * val_count [I/O] Size of value buffer (in wchars)
1338 * reserved [I] Reserved
1339 * type [O] Type code
1340 * data [O] Value data
1341 * count [I/O] Size of data buffer (in bytes)
1342 *
1343 * RETURNS
1344 * Success: ERROR_SUCCESS
1345 * Failure: nonzero error code from Winerror.h
1346 */
1347
1348 DWORD WINAPI RegEnumValueW( HKEY hkey, DWORD index, LPWSTR value, LPDWORD val_count,
1349 LPDWORD reserved, LPDWORD type, LPBYTE data, LPDWORD count )
1350 {
1351 NTSTATUS status;
1352 DWORD total_size;
1353 char buffer[256], *buf_ptr = buffer;
1354 KEY_VALUE_FULL_INFORMATION *info = (KEY_VALUE_FULL_INFORMATION *)buffer;
1355 static const int info_size = offsetof( KEY_VALUE_FULL_INFORMATION, Name );
1356
1357 TRACE("(%p,%ld,%p,%p,%p,%p,%p,%p)\n",
1358 hkey, index, value, val_count, reserved, type, data, count );
1359
1360 /* NT only checks count, not val_count */
1361 if ((data && !count) || reserved) return ERROR_INVALID_PARAMETER;
1362 if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
1363
1364 total_size = info_size + (MAX_PATH + 1) * sizeof(WCHAR);
1365 if (data) total_size += *count;
1366 total_size = min( sizeof(buffer), total_size );
1367
1368 status = NtEnumerateValueKey( hkey, index, KeyValueFullInformation,
1369 buffer, total_size, &total_size );
1370 if (status && status != STATUS_BUFFER_OVERFLOW) goto done;
1371
1372 if (value || data)
1373 {
1374 /* retry with a dynamically allocated buffer */
1375 while (status == STATUS_BUFFER_OVERFLOW)
1376 {
1377 if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
1378 if (!(buf_ptr = HeapAlloc( GetProcessHeap(), 0, total_size )))
1379 return ERROR_NOT_ENOUGH_MEMORY;
1380 info = (KEY_VALUE_FULL_INFORMATION *)buf_ptr;
1381 status = NtEnumerateValueKey( hkey, index, KeyValueFullInformation,
1382 buf_ptr, total_size, &total_size );
1383 }
1384
1385 if (status) goto done;
1386
1387 if (value)
1388 {
1389 if (info->NameLength/sizeof(WCHAR) >= *val_count)
1390 {
1391 status = STATUS_BUFFER_OVERFLOW;
1392 goto overflow;
1393 }
1394 memcpy( value, info->Name, info->NameLength );
1395 *val_count = info->NameLength / sizeof(WCHAR);
1396 value[*val_count] = 0;
1397 }
1398
1399 if (data)
1400 {
1401 if (total_size - info->DataOffset > *count)
1402 {
1403 status = STATUS_BUFFER_OVERFLOW;
1404 goto overflow;
1405 }
1406 memcpy( data, buf_ptr + info->DataOffset, total_size - info->DataOffset );
1407 if (total_size - info->DataOffset <= *count-sizeof(WCHAR) && is_string(info->Type))
1408 {
1409 /* if the type is REG_SZ and data is not 0-terminated
1410 * and there is enough space in the buffer NT appends a \0 */
1411 WCHAR *ptr = (WCHAR *)(data + total_size - info->DataOffset);
1412 if (ptr > (WCHAR *)data && ptr[-1]) *ptr = 0;
1413 }
1414 }
1415 }
1416 else status = STATUS_SUCCESS;
1417
1418 overflow:
1419 if (type) *type = info->Type;
1420 if (count) *count = info->DataLength;
1421
1422 done:
1423 if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
1424 return RtlNtStatusToDosError(status);
1425 }
1426
1427
1428 /******************************************************************************
1429 * RegEnumValueA [ADVAPI32.@]
1430 *
1431 * see RegEnumValueW
1432 */
1433 DWORD WINAPI RegEnumValueA( HKEY hkey, DWORD index, LPSTR value, LPDWORD val_count,
1434 LPDWORD reserved, LPDWORD type, LPBYTE data, LPDWORD count )
1435 {
1436 NTSTATUS status;
1437 DWORD total_size;
1438 char buffer[256], *buf_ptr = buffer;
1439 KEY_VALUE_FULL_INFORMATION *info = (KEY_VALUE_FULL_INFORMATION *)buffer;
1440 static const int info_size = offsetof( KEY_VALUE_FULL_INFORMATION, Name );
1441
1442 TRACE("(%p,%ld,%p,%p,%p,%p,%p,%p)\n",
1443 hkey, index, value, val_count, reserved, type, data, count );
1444
1445 /* NT only checks count, not val_count */
1446 if ((data && !count) || reserved) return ERROR_INVALID_PARAMETER;
1447 if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
1448
1449 total_size = info_size + (MAX_PATH + 1) * sizeof(WCHAR);
1450 if (data) total_size += *count;
1451 total_size = min( sizeof(buffer), total_size );
1452
1453 status = NtEnumerateValueKey( hkey, index, KeyValueFullInformation,
1454 buffer, total_size, &total_size );
1455 if (status && status != STATUS_BUFFER_OVERFLOW) goto done;
1456
1457 /* we need to fetch the contents for a string type even if not requested,
1458 * because we need to compute the length of the ASCII string. */
1459 if (value || data || is_string(info->Type))
1460 {
1461 /* retry with a dynamically allocated buffer */
1462 while (status == STATUS_BUFFER_OVERFLOW)
1463 {
1464 if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
1465 if (!(buf_ptr = HeapAlloc( GetProcessHeap(), 0, total_size )))
1466 return ERROR_NOT_ENOUGH_MEMORY;
1467 info = (KEY_VALUE_FULL_INFORMATION *)buf_ptr;
1468 status = NtEnumerateValueKey( hkey, index, KeyValueFullInformation,
1469 buf_ptr, total_size, &total_size );
1470 }
1471
1472 if (status) goto done;
1473
1474 if (is_string(info->Type))
1475 {
1476 DWORD len;
1477 RtlUnicodeToMultiByteSize( &len, (WCHAR *)(buf_ptr + info->DataOffset),
1478 total_size - info->DataOffset );
1479 if (data && len)
1480 {
1481 if (len > *count) status = STATUS_BUFFER_OVERFLOW;
1482 else
1483 {
1484 RtlUnicodeToMultiByteN( data, len, NULL, (WCHAR *)(buf_ptr + info->DataOffset),
1485 total_size - info->DataOffset );
1486 /* if the type is REG_SZ and data is not 0-terminated
1487 * and there is enough space in the buffer NT appends a \0 */
1488 if (len < *count && data[len-1]) data[len] = 0;
1489 }
1490 }
1491 info->DataLength = len;
1492 }
1493 else if (data)
1494 {
1495 if (total_size - info->DataOffset > *count) status = STATUS_BUFFER_OVERFLOW;
1496 else memcpy( data, buf_ptr + info->DataOffset, total_size - info->DataOffset );
1497 }
1498
1499 if (value && !status)
1500 {
1501 DWORD len;
1502
1503 RtlUnicodeToMultiByteSize( &len, info->Name, info->NameLength );
1504 if (len >= *val_count)
1505 {
1506 status = STATUS_BUFFER_OVERFLOW;
1507 if (*val_count)
1508 {
1509 len = *val_count - 1;
1510 RtlUnicodeToMultiByteN( value, len, NULL, info->Name, info->NameLength );
1511 value[len] = 0;
1512 }
1513 }
1514 else
1515 {
1516 RtlUnicodeToMultiByteN( value, len, NULL, info->Name, info->NameLength );
1517 value[len] = 0;
1518 *val_count = len;
1519 }
1520 }
1521 }
1522 else status = STATUS_SUCCESS;
1523
1524 if (type) *type = info->Type;
1525 if (count) *count = info->DataLength;
1526
1527 done:
1528 if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
1529 return RtlNtStatusToDosError(status);
1530 }
1531
1532
1533
1534 /******************************************************************************
1535 * RegDeleteValueW [ADVAPI32.@]
1536 *
1537 * See RegDeleteValueA.
1538 */
1539 DWORD WINAPI RegDeleteValueW( HKEY hkey, LPCWSTR name )
1540 {
1541 UNICODE_STRING nameW;
1542
1543 if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
1544
1545 RtlInitUnicodeString( &nameW, name );
1546 return RtlNtStatusToDosError( NtDeleteValueKey( hkey, &nameW ) );
1547 }
1548
1549
1550 /******************************************************************************
1551 * RegDeleteValueA [ADVAPI32.@]
1552 *
1553 * Delete a value from the registry.
1554 *
1555 * PARAMS
1556 * hkey [I] Registry handle of the key holding the value
1557 * name [I] Name of the value under hkey to delete
1558 *
1559 * RETURNS
1560 * Success: ERROR_SUCCESS
1561 * Failure: nonzero error code from Winerror.h
1562 */
1563 DWORD WINAPI RegDeleteValueA( HKEY hkey, LPCSTR name )
1564 {
1565 STRING nameA;
1566 NTSTATUS status;
1567
1568 if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
1569
1570 RtlInitAnsiString( &nameA, name );
1571 if (!(status = RtlAnsiStringToUnicodeString( &NtCurrentTeb()->StaticUnicodeString,
1572 &nameA, FALSE )))
1573 status = NtDeleteValueKey( hkey, &NtCurrentTeb()->StaticUnicodeString );
1574 return RtlNtStatusToDosError( status );
1575 }
1576
1577
1578 /******************************************************************************
1579 * RegLoadKeyW [ADVAPI32.@]
1580 *
1581 * PARAMS
1582 * hkey [I] Handle of open key
1583 * subkey [I] Address of name of subkey
1584 * filename [I] Address of filename for registry information
1585 *
1586 * RETURNS
1587 * Success: ERROR_SUCCES
1588 * Failure: nonzero error code from Winerror.h
1589 */
1590 LONG WINAPI RegLoadKeyW( HKEY hkey, LPCWSTR subkey, LPCWSTR filename )
1591 {
1592 OBJECT_ATTRIBUTES destkey, file;
1593 UNICODE_STRING subkeyW, filenameW;
1594
1595 if (!(hkey = get_special_root_hkey(hkey))) return ERROR_INVALID_HANDLE;
1596
1597 destkey.Length = sizeof(destkey);
1598 destkey.RootDirectory = hkey; /* root key: HKLM or HKU */
1599 destkey.ObjectName = &subkeyW; /* name of the key */
1600 destkey.Attributes = 0;
1601 destkey.SecurityDescriptor = NULL;
1602 destkey.SecurityQualityOfService = NULL;
1603 RtlInitUnicodeString(&subkeyW, subkey);
1604
1605 file.Length = sizeof(file);
1606 file.RootDirectory = NULL;
1607 file.ObjectName = &filenameW; /* file containing the hive */
1608 file.Attributes = OBJ_CASE_INSENSITIVE;
1609 file.SecurityDescriptor = NULL;
1610 file.SecurityQualityOfService = NULL;
1611 RtlDosPathNameToNtPathName_U(filename, &filenameW, NULL, NULL);
1612
1613 return RtlNtStatusToDosError( NtLoadKey(&destkey, &file) );
1614 }
1615
1616
1617 /******************************************************************************
1618 * RegLoadKeyA [ADVAPI32.@]
1619 *
1620 * see RegLoadKeyW
1621 */
1622 LONG WINAPI RegLoadKeyA( HKEY hkey, LPCSTR subkey, LPCSTR filename )
1623 {
1624 UNICODE_STRING subkeyW, filenameW;
1625 STRING subkeyA, filenameA;
1626 NTSTATUS status;
1627
1628 RtlInitAnsiString(&subkeyA, subkey);
1629 RtlInitAnsiString(&filenameA, filename);
1630
1631 if ((status = RtlAnsiStringToUnicodeString(&subkeyW, &subkeyA, TRUE)))
1632 return RtlNtStatusToDosError(status);
1633
1634 if ((status = RtlAnsiStringToUnicodeString(&filenameW, &filenameA, TRUE)))
1635 return RtlNtStatusToDosError(status);
1636
1637 return RegLoadKeyW(hkey, subkeyW.Buffer, filenameW.Buffer);
1638 }
1639
1640
1641 /******************************************************************************
1642 * RegSaveKeyW [ADVAPI32.@]
1643 *
1644 * PARAMS
1645 * hkey [I] Handle of key where save begins
1646 * lpFile [I] Address of filename to save to
1647 * sa [I] Address of security structure
1648 *
1649 * RETURNS
1650 * Success: ERROR_SUCCESS
1651 * Failure: nonzero error code from Winerror.h
1652 */
1653 LONG WINAPI RegSaveKeyW( HKEY hkey, LPCWSTR file, LPSECURITY_ATTRIBUTES sa )
1654 {
1655 static const WCHAR format[] =
1656 {'r','e','g','%','0','4','x','.','t','m','p',0};
1657 WCHAR buffer[MAX_PATH];
1658 int count = 0;
1659 LPWSTR nameW;
1660 DWORD ret, err;
1661 HANDLE handle;
1662
1663 TRACE( "(%p,%s,%p)\n", hkey, debugstr_w(file), sa );
1664
1665 if (!file || !*file) return ERROR_INVALID_PARAMETER;
1666 if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
1667
1668 err = GetLastError();
1669 GetFullPathNameW( file, sizeof(buffer)/sizeof(WCHAR), buffer, &nameW );
1670
1671 for (;;)
1672 {
1673 snprintfW( nameW, 16, format, count++ );
1674 handle = CreateFileW( buffer, GENERIC_WRITE, 0, NULL,
1675 CREATE_NEW, FILE_ATTRIBUTE_NORMAL, 0 );
1676 if (handle != INVALID_HANDLE_VALUE) break;
1677 if ((ret = GetLastError()) != ERROR_ALREADY_EXISTS) goto done;
1678
1679 /* Something gone haywire ? Please report if this happens abnormally */
1680 if (count >= 100)
1681 MESSAGE("Wow, we are already fiddling with a temp file %s with an ordinal as high as %d !\nYou might want to delete all corresponding temp files in that directory.\n", debugstr_w(buffer), count);
1682 }
1683
1684 ret = RtlNtStatusToDosError(NtSaveKey(hkey, handle));
1685
1686 CloseHandle( handle );
1687 if (!ret)
1688 {
1689 if (!MoveFileExW( buffer, file, MOVEFILE_REPLACE_EXISTING ))
1690 {
1691 ERR( "Failed to move %s to %s\n", debugstr_w(buffer),
1692 debugstr_w(file) );
1693 ret = GetLastError();
1694 }
1695 }
1696 if (ret) DeleteFileW( buffer );
1697
1698 done:
1699 SetLastError( err ); /* restore last error code */
1700 return ret;
1701 }
1702
1703
1704 /******************************************************************************
1705 * RegSaveKeyA [ADVAPI32.@]
1706 *
1707 * see RegSaveKeyW
1708 */
1709 LONG WINAPI RegSaveKeyA( HKEY hkey, LPCSTR file, LPSECURITY_ATTRIBUTES sa )
1710 {
1711 UNICODE_STRING *fileW = &NtCurrentTeb()->StaticUnicodeString;
1712 NTSTATUS status;
1713 STRING fileA;
1714
1715 RtlInitAnsiString(&fileA, file);
1716 if ((status = RtlAnsiStringToUnicodeString(fileW, &fileA, FALSE)))
1717 return RtlNtStatusToDosError( status );
1718 return RegSaveKeyW(hkey, fileW->Buffer, sa);
1719 }
1720
1721
1722 /******************************************************************************
1723 * RegRestoreKeyW [ADVAPI32.@]
1724 *
1725 * PARAMS
1726 * hkey [I] Handle of key where restore begins
1727 * lpFile [I] Address of filename containing saved tree
1728 * dwFlags [I] Optional flags
1729 *
1730 * RETURNS
1731 * Success: ERROR_SUCCESS
1732 * Failure: nonzero error code from Winerror.h
1733 */
1734 LONG WINAPI RegRestoreKeyW( HKEY hkey, LPCWSTR lpFile, DWORD dwFlags )
1735 {
1736 TRACE("(%p,%s,%ld)\n",hkey,debugstr_w(lpFile),dwFlags);
1737
1738 /* It seems to do this check before the hkey check */
1739 if (!lpFile || !*lpFile)
1740 return ERROR_INVALID_PARAMETER;
1741
1742 FIXME("(%p,%s,%ld): stub\n",hkey,debugstr_w(lpFile),dwFlags);
1743
1744 /* Check for file existence */
1745
1746 return ERROR_SUCCESS;
1747 }
1748
1749
1750 /******************************************************************************
1751 * RegRestoreKeyA [ADVAPI32.@]
1752 *
1753 * see RegRestoreKeyW
1754 */
1755 LONG WINAPI RegRestoreKeyA( HKEY hkey, LPCSTR lpFile, DWORD dwFlags )
1756 {
1757 UNICODE_STRING lpFileW;
1758 LONG ret;
1759
1760 RtlCreateUnicodeStringFromAsciiz( &lpFileW, lpFile );
1761 ret = RegRestoreKeyW( hkey, lpFileW.Buffer, dwFlags );
1762 RtlFreeUnicodeString( &lpFileW );
1763 return ret;
1764 }
1765
1766
1767 /******************************************************************************
1768 * RegUnLoadKeyW [ADVAPI32.@]
1769 *
1770 * PARAMS
1771 * hkey [I] Handle of open key
1772 * lpSubKey [I] Address of name of subkey to unload
1773 *
1774 * RETURNS
1775 * Success: ERROR_SUCCESS
1776 * Failure: nonzero error code from Winerror.h
1777 */
1778 LONG WINAPI RegUnLoadKeyW( HKEY hkey, LPCWSTR lpSubKey )
1779 {
1780 DWORD ret;
1781 HKEY shkey;
1782
1783 TRACE("(%p,%s)\n",hkey, debugstr_w(lpSubKey));
1784
1785 ret = RegOpenKeyW(hkey,lpSubKey,&shkey);
1786 if( ret )
1787 return ERROR_INVALID_PARAMETER;
1788
1789 ret = RtlNtStatusToDosError(NtUnloadKey(shkey));
1790
1791 RegCloseKey(shkey);
1792
1793 return ret;
1794 }
1795
1796
1797 /******************************************************************************
1798 * RegUnLoadKeyA [ADVAPI32.@]
1799 *
1800 * see RegUnLoadKeyW
1801 */
1802 LONG WINAPI RegUnLoadKeyA( HKEY hkey, LPCSTR lpSubKey )
1803 {
1804 UNICODE_STRING lpSubKeyW;
1805 LONG ret;
1806
1807 RtlCreateUnicodeStringFromAsciiz( &lpSubKeyW, lpSubKey );
1808 ret = RegUnLoadKeyW( hkey, lpSubKeyW.Buffer );
1809 RtlFreeUnicodeString( &lpSubKeyW );
1810 return ret;
1811 }
1812
1813
1814 /******************************************************************************
1815 * RegReplaceKeyW [ADVAPI32.@]
1816 *
1817 * PARAMS
1818 * hkey [I] Handle of open key
1819 * lpSubKey [I] Address of name of subkey
1820 * lpNewFile [I] Address of filename for file with new data
1821 * lpOldFile [I] Address of filename for backup file
1822 *
1823 * RETURNS
1824 * Success: ERROR_SUCCESS
1825 * Failure: nonzero error code from Winerror.h
1826 */
1827 LONG WINAPI RegReplaceKeyW( HKEY hkey, LPCWSTR lpSubKey, LPCWSTR lpNewFile,
1828 LPCWSTR lpOldFile )
1829 {
1830 FIXME("(%p,%s,%s,%s): stub\n", hkey, debugstr_w(lpSubKey),
1831 debugstr_w(lpNewFile),debugstr_w(lpOldFile));
1832 return ERROR_SUCCESS;
1833 }
1834
1835
1836 /******************************************************************************
1837 * RegReplaceKeyA [ADVAPI32.@]
1838 *
1839 * see RegReplaceKeyW
1840 */
1841 LONG WINAPI RegReplaceKeyA( HKEY hkey, LPCSTR lpSubKey, LPCSTR lpNewFile,
1842 LPCSTR lpOldFile )
1843 {
1844 UNICODE_STRING lpSubKeyW;
1845 UNICODE_STRING lpNewFileW;
1846 UNICODE_STRING lpOldFileW;
1847 LONG ret;
1848
1849 RtlCreateUnicodeStringFromAsciiz( &lpSubKeyW, lpSubKey );
1850 RtlCreateUnicodeStringFromAsciiz( &lpOldFileW, lpOldFile );
1851 RtlCreateUnicodeStringFromAsciiz( &lpNewFileW, lpNewFile );
1852 ret = RegReplaceKeyW( hkey, lpSubKeyW.Buffer, lpNewFileW.Buffer, lpOldFileW.Buffer );
1853 RtlFreeUnicodeString( &lpOldFileW );
1854 RtlFreeUnicodeString( &lpNewFileW );
1855 RtlFreeUnicodeString( &lpSubKeyW );
1856 return ret;
1857 }
1858
1859
1860 /******************************************************************************
1861 * RegSetKeySecurity [ADVAPI32.@]
1862 *
1863 * PARAMS
1864 * hkey [I] Open handle of key to set
1865 * SecurityInfo [I] Descriptor contents
1866 * pSecurityDesc [I] Address of descriptor for key
1867 *
1868 * RETURNS
1869 * Success: ERROR_SUCCESS
1870 * Failure: nonzero error code from Winerror.h
1871 */
1872 LONG WINAPI RegSetKeySecurity( HKEY hkey, SECURITY_INFORMATION SecurityInfo,
1873 PSECURITY_DESCRIPTOR pSecurityDesc )
1874 {
1875 TRACE("(%p,%ld,%p)\n",hkey,SecurityInfo,pSecurityDesc);
1876
1877 /* It seems to perform this check before the hkey check */
1878 if ((SecurityInfo & OWNER_SECURITY_INFORMATION) ||
1879 (SecurityInfo & GROUP_SECURITY_INFORMATION) ||
1880 (SecurityInfo & DACL_SECURITY_INFORMATION) ||
1881 (SecurityInfo & SACL_SECURITY_INFORMATION)) {
1882 /* Param OK */
1883 } else
1884 return ERROR_INVALID_PARAMETER;
1885
1886 if (!pSecurityDesc)
1887 return ERROR_INVALID_PARAMETER;
1888
1889 FIXME(":(%p,%ld,%p): stub\n",hkey,SecurityInfo,pSecurityDesc);
1890
1891 return ERROR_SUCCESS;
1892 }
1893
1894
1895 /******************************************************************************
1896 * RegGetKeySecurity [ADVAPI32.@]
1897 *
1898 * Get a copy of the security descriptor for a given registry key.
1899 *
1900 * PARAMS
1901 * hkey [I] Open handle of key to set
1902 * SecurityInformation [I] Descriptor contents
1903 * pSecurityDescriptor [O] Address of descriptor for key
1904 * lpcbSecurityDescriptor [I/O] Address of size of buffer and description
1905 *
1906 * RETURNS
1907 * Success: ERROR_SUCCESS
1908 * Failure: Error code
1909 */
1910 LONG WINAPI RegGetKeySecurity( HKEY hkey, SECURITY_INFORMATION SecurityInformation,
1911 PSECURITY_DESCRIPTOR pSecurityDescriptor,
1912 LPDWORD lpcbSecurityDescriptor )
1913 {
1914 TRACE("(%p,%ld,%p,%ld)\n",hkey,SecurityInformation,pSecurityDescriptor,
1915 lpcbSecurityDescriptor?*lpcbSecurityDescriptor:0);
1916
1917 /* FIXME: Check for valid SecurityInformation values */
1918
1919 if (*lpcbSecurityDescriptor < sizeof(SECURITY_DESCRIPTOR))
1920 return ERROR_INSUFFICIENT_BUFFER;
1921
1922 FIXME("(%p,%ld,%p,%ld): stub\n",hkey,SecurityInformation,
1923 pSecurityDescriptor,lpcbSecurityDescriptor?*lpcbSecurityDescriptor:0);
1924
1925 /* Do not leave security descriptor filled with garbage */
1926 RtlCreateSecurityDescriptor(pSecurityDescriptor, SECURITY_DESCRIPTOR_REVISION);
1927
1928 return ERROR_SUCCESS;
1929 }
1930
1931
1932 /******************************************************************************
1933 * RegFlushKey [ADVAPI32.@]
1934 *
1935 * Immediately write a registry key to registry.
1936 *
1937 * PARAMS
1938 * hkey [I] Handle of key to write
1939 *
1940 * RETURNS
1941 * Success: ERROR_SUCCESS
1942 * Failure: Error code
1943 */
1944 DWORD WINAPI RegFlushKey( HKEY hkey )
1945 {
1946 hkey = get_special_root_hkey( hkey );
1947 if (!hkey) return ERROR_INVALID_HANDLE;
1948
1949 return RtlNtStatusToDosError( NtFlushKey( hkey ) );
1950 }
1951
1952
1953 /******************************************************************************
1954 * RegConnectRegistryW [ADVAPI32.@]
1955 *
1956 * PARAMS
1957 * lpMachineName [I] Address of name of remote computer
1958 * hHey [I] Predefined registry handle
1959 * phkResult [I] Address of buffer for remote registry handle
1960 *
1961 * RETURNS
1962 * Success: ERROR_SUCCESS
1963 * Failure: nonzero error code from Winerror.h
1964 */
1965 LONG WINAPI RegConnectRegistryW( LPCWSTR lpMachineName, HKEY hKey,
1966 PHKEY phkResult )
1967 {
1968 LONG ret;
1969
1970 TRACE("(%s,%p,%p): stub\n",debugstr_w(lpMachineName),hKey,phkResult);
1971
1972 if (!lpMachineName || !*lpMachineName) {
1973 /* Use the local machine name */
1974 ret = RegOpenKeyW( hKey, NULL, phkResult );
1975 }
1976 else if (lpMachineName[0] != '\\' || lpMachineName[1] != '\\')
1977 ret = ERROR_BAD_NETPATH;
1978 else
1979 {
1980 WCHAR compName[MAX_COMPUTERNAME_LENGTH + 1];
1981 DWORD len = sizeof(compName) / sizeof(WCHAR);
1982
1983 if (GetComputerNameW(compName, &len))
1984 {
1985 if (!strcmpiW(lpMachineName + 2, compName))
1986 ret = RegOpenKeyW(hKey, NULL, phkResult);
1987 else
1988 {
1989 FIXME("Cannot connect to %s\n",debugstr_w(lpMachineName));
1990 ret = ERROR_BAD_NETPATH;
1991 }
1992 }
1993 else
1994 ret = GetLastError();
1995 }
1996 return ret;
1997 }
1998
1999
2000 /******************************************************************************
2001 * RegConnectRegistryA [ADVAPI32.@]
2002 *
2003 * see RegConnectRegistryW
2004 */
2005 LONG WINAPI RegConnectRegistryA( LPCSTR machine, HKEY hkey, PHKEY reskey )
2006 {
2007 UNICODE_STRING machineW;
2008 LONG ret;
2009
2010 RtlCreateUnicodeStringFromAsciiz( &machineW, machine );
2011 ret = RegConnectRegistryW( machineW.Buffer, hkey, reskey );
2012 RtlFreeUnicodeString( &machineW );
2013 return ret;
2014 }
2015
2016
2017 /******************************************************************************
2018 * RegNotifyChangeKeyValue [ADVAPI32.@]
2019 *
2020 * PARAMS
2021 * hkey [I] Handle of key to watch
2022 * fWatchSubTree [I] Flag for subkey notification
2023 * fdwNotifyFilter [I] Changes to be reported
2024 * hEvent [I] Handle of signaled event
2025 * fAsync [I] Flag for asynchronous reporting
2026 *
2027 * RETURNS
2028 * Success: ERROR_SUCCESS
2029 * Failure: nonzero error code from Winerror.h
2030 */
2031 LONG WINAPI RegNotifyChangeKeyValue( HKEY hkey, BOOL fWatchSubTree,
2032 DWORD fdwNotifyFilter, HANDLE hEvent,
2033 BOOL fAsync )
2034 {
2035 NTSTATUS status;
2036 IO_STATUS_BLOCK iosb;
2037
2038 hkey = get_special_root_hkey( hkey );
2039 if (!hkey) return ERROR_INVALID_HANDLE;
2040
2041 TRACE("(%p,%i,%ld,%p,%i)\n", hkey, fWatchSubTree, fdwNotifyFilter,
2042 hEvent, fAsync);
2043
2044 status = NtNotifyChangeKey( hkey, hEvent, NULL, NULL, &iosb,
2045 fdwNotifyFilter, fWatchSubTree, NULL, 0,
2046 fAsync );
2047
2048 if (status && status != STATUS_TIMEOUT)
2049 return RtlNtStatusToDosError( status );
2050
2051 return ERROR_SUCCESS;
2052 }
2053
2054 /******************************************************************************
2055 * RegOpenUserClassesRoot [ADVAPI32.@]
2056 *
2057 * Open the HKEY_CLASSES_ROOT key for a user.
2058 *
2059 * PARAMS
2060 * hToken [I] Handle of token representing the user
2061 * dwOptions [I] Reserved, nust be 0
2062 * samDesired [I] Desired access rights
2063 * phkResult [O] Destination for the resulting key handle
2064 *
2065 * RETURNS
2066 * Success: ERROR_SUCCESS
2067 * Failure: nonzero error code from Winerror.h
2068 *
2069 * NOTES
2070 * On Windows 2000 and upwards the HKEY_CLASSES_ROOT key is a view of the
2071 * "HKEY_LOCAL_MACHINE\Software\Classes" and the
2072 * "HKEY_CURRENT_USER\Software\Classes" keys merged together.
2073 */
2074 LONG WINAPI RegOpenUserClassesRoot(
2075 HANDLE hToken,
2076 DWORD dwOptions,
2077 REGSAM samDesired,
2078 PHKEY phkResult
2079 )
2080 {
2081 FIXME("(%p, 0x%lx, 0x%lx, %p) semi-stub\n", hToken, dwOptions, samDesired, phkResult);
2082
2083 *phkResult = HKEY_CLASSES_ROOT;
2084 return ERROR_SUCCESS;
2085 }
GSOC 2012 project to enhance the control panel