4 * Copyright (C) 1999 Juergen Schmied
5 * Copyright (C) 2000 Alexandre Julliard
8 * HKEY_LOCAL_MACHINE \\REGISTRY\\MACHINE
9 * HKEY_USERS \\REGISTRY\\USER
10 * HKEY_CURRENT_CONFIG \\REGISTRY\\MACHINE\\SYSTEM\\CURRENTCONTROLSET\\HARDWARE PROFILES\\CURRENT
11 * HKEY_CLASSES \\REGISTRY\\MACHINE\\SOFTWARE\\CLASSES
15 #include "debugtools.h"
18 #include "wine/unicode.h"
19 #include "wine/server.h"
21 #include "ntdll_misc.h"
23 DEFAULT_DEBUG_CHANNEL(reg);
25 /* maximum length of a key/value name in bytes (without terminating null) */
26 #define MAX_NAME_LENGTH ((MAX_PATH-1) * sizeof(WCHAR))
29 /******************************************************************************
30 * NtCreateKey [NTDLL.@]
31 * ZwCreateKey [NTDLL.@]
33 NTSTATUS WINAPI NtCreateKey( PHANDLE retkey, ACCESS_MASK access, const OBJECT_ATTRIBUTES *attr,
34 ULONG TitleIndex, const UNICODE_STRING *class, ULONG options,
38 DWORD len = attr->ObjectName->Length;
40 TRACE( "(0x%x,%s,%s,%lx,%lx,%p)\n", attr->RootDirectory, debugstr_us(attr->ObjectName),
41 debugstr_us(class), options, access, retkey );
43 if (len > MAX_NAME_LENGTH) return STATUS_BUFFER_OVERFLOW;
44 len += sizeof(WCHAR); /* for storing name length */
48 if (len > REQUEST_MAX_VAR_SIZE) return STATUS_BUFFER_OVERFLOW;
50 if (!retkey) return STATUS_INVALID_PARAMETER;
52 SERVER_START_VAR_REQ( create_key, len )
54 WCHAR *data = server_data_ptr(req);
56 req->parent = attr->RootDirectory;
58 req->options = options;
61 *data++ = attr->ObjectName->Length;
62 memcpy( data, attr->ObjectName->Buffer, attr->ObjectName->Length );
63 if (class) memcpy( (char *)data + attr->ObjectName->Length, class->Buffer, class->Length );
64 if (!(ret = SERVER_CALL()))
67 if (dispos) *dispos = req->created ? REG_CREATED_NEW_KEY : REG_OPENED_EXISTING_KEY;
71 TRACE("<- 0x%04x\n", *retkey);
76 /******************************************************************************
80 * OUT PHANDLE retkey (returns 0 when failure)
81 * IN ACCESS_MASK access
82 * IN POBJECT_ATTRIBUTES attr
84 NTSTATUS WINAPI NtOpenKey( PHANDLE retkey, ACCESS_MASK access, const OBJECT_ATTRIBUTES *attr )
87 DWORD len = attr->ObjectName->Length;
89 TRACE( "(0x%x,%s,%lx,%p)\n", attr->RootDirectory,
90 debugstr_us(attr->ObjectName), access, retkey );
92 if (len > MAX_NAME_LENGTH) return STATUS_BUFFER_OVERFLOW;
93 if (!retkey) return STATUS_INVALID_PARAMETER;
95 SERVER_START_VAR_REQ( open_key, len )
97 req->parent = attr->RootDirectory;
99 memcpy( server_data_ptr(req), attr->ObjectName->Buffer, len );
104 TRACE("<- 0x%04x\n", *retkey);
109 /******************************************************************************
110 * NtDeleteKey [NTDLL.@]
111 * ZwDeleteKey [NTDLL.@]
113 NTSTATUS WINAPI NtDeleteKey( HANDLE hkey )
117 TRACE( "(%x)\n", hkey );
119 SERVER_START_REQ( delete_key )
129 /******************************************************************************
130 * NtDeleteValueKey [NTDLL.@]
131 * ZwDeleteValueKey [NTDLL.@]
133 NTSTATUS WINAPI NtDeleteValueKey( HANDLE hkey, const UNICODE_STRING *name )
137 TRACE( "(0x%x,%s)\n", hkey, debugstr_us(name) );
138 if (name->Length > MAX_NAME_LENGTH) return STATUS_BUFFER_OVERFLOW;
140 SERVER_START_VAR_REQ( delete_key_value, name->Length )
143 memcpy( server_data_ptr(req), name->Buffer, name->Length );
151 /******************************************************************************
154 * Helper function for NtQueryKey and NtEnumerateKey
156 static NTSTATUS fill_key_info( KEY_INFORMATION_CLASS info_class, void *info, DWORD length,
157 DWORD *result_len, const struct enum_key_request *req )
159 WCHAR *name_ptr = server_data_ptr(req);
160 int name_size = *name_ptr++;
161 WCHAR *class_ptr = (WCHAR *)((char *)name_ptr + name_size);
162 int class_size = server_data_size(req) - sizeof(WCHAR) - name_size;
166 RtlSecondsSince1970ToTime( req->modif, (FILETIME *)&modif );
170 case KeyBasicInformation:
172 KEY_BASIC_INFORMATION keyinfo;
173 fixed_size = (char *)keyinfo.Name - (char *)&keyinfo;
174 keyinfo.LastWriteTime = modif;
175 keyinfo.TitleIndex = 0;
176 keyinfo.NameLength = name_size;
177 memcpy( info, &keyinfo, min( length, fixed_size ) );
181 case KeyFullInformation:
183 KEY_FULL_INFORMATION keyinfo;
184 fixed_size = (char *)keyinfo.Class - (char *)&keyinfo;
185 keyinfo.LastWriteTime = modif;
186 keyinfo.TitleIndex = 0;
187 keyinfo.ClassLength = class_size;
188 keyinfo.ClassOffset = keyinfo.ClassLength ? fixed_size : -1;
189 keyinfo.SubKeys = req->subkeys;
190 keyinfo.MaxNameLen = req->max_subkey;
191 keyinfo.MaxClassLen = req->max_class;
192 keyinfo.Values = req->values;
193 keyinfo.MaxValueNameLen = req->max_value;
194 keyinfo.MaxValueDataLen = req->max_data;
195 memcpy( info, &keyinfo, min( length, fixed_size ) );
199 case KeyNodeInformation:
201 KEY_NODE_INFORMATION keyinfo;
202 fixed_size = (char *)keyinfo.Name - (char *)&keyinfo;
203 keyinfo.LastWriteTime = modif;
204 keyinfo.TitleIndex = 0;
205 keyinfo.ClassLength = class_size;
206 keyinfo.ClassOffset = fixed_size + name_size;
207 if (!keyinfo.ClassLength || keyinfo.ClassOffset > length) keyinfo.ClassOffset = -1;
208 keyinfo.NameLength = name_size;
209 memcpy( info, &keyinfo, min( length, fixed_size ) );
213 FIXME("Information class not implemented\n");
214 return STATUS_INVALID_PARAMETER;
217 *result_len = fixed_size + name_size + class_size;
218 if (length <= fixed_size) return STATUS_BUFFER_OVERFLOW;
219 length -= fixed_size;
224 memcpy( (char *)info + fixed_size, name_ptr, min(length,name_size) );
225 if (length < name_size) return STATUS_BUFFER_OVERFLOW;
232 memcpy( (char *)info + fixed_size + name_size, class_ptr, min(length,class_size) );
233 if (length < class_size) return STATUS_BUFFER_OVERFLOW;
235 return STATUS_SUCCESS;
240 /******************************************************************************
241 * NtEnumerateKey [NTDLL.@]
242 * ZwEnumerateKey [NTDLL.@]
245 * the name copied into the buffer is NOT 0-terminated
247 NTSTATUS WINAPI NtEnumerateKey( HANDLE handle, ULONG index, KEY_INFORMATION_CLASS info_class,
248 void *info, DWORD length, DWORD *result_len )
252 /* -1 means query key, so avoid it here */
253 if (index == (ULONG)-1) return STATUS_NO_MORE_ENTRIES;
255 SERVER_START_VAR_REQ( enum_key, REQUEST_MAX_VAR_SIZE )
259 req->full = (info_class == KeyFullInformation);
260 if (!(ret = SERVER_CALL()))
262 ret = fill_key_info( info_class, info, length, result_len, req );
270 /******************************************************************************
271 * NtQueryKey [NTDLL.@]
272 * ZwQueryKey [NTDLL.@]
274 NTSTATUS WINAPI NtQueryKey( HANDLE handle, KEY_INFORMATION_CLASS info_class,
275 void *info, DWORD length, DWORD *result_len )
279 SERVER_START_VAR_REQ( enum_key, REQUEST_MAX_VAR_SIZE )
283 req->full = (info_class == KeyFullInformation);
284 if (!(ret = SERVER_CALL()))
286 ret = fill_key_info( info_class, info, length, result_len, req );
294 /* fill the key value info structure for a specific info class */
295 static void copy_key_value_info( KEY_VALUE_INFORMATION_CLASS info_class, void *info,
296 DWORD length, int type, int name_len, int data_len )
300 case KeyValueBasicInformation:
302 KEY_VALUE_BASIC_INFORMATION keyinfo;
303 keyinfo.TitleIndex = 0;
305 keyinfo.NameLength = name_len;
306 length = min( length, (char *)keyinfo.Name - (char *)&keyinfo );
307 memcpy( info, &keyinfo, length );
310 case KeyValueFullInformation:
312 KEY_VALUE_FULL_INFORMATION keyinfo;
313 keyinfo.TitleIndex = 0;
315 keyinfo.DataOffset = (char *)keyinfo.Name - (char *)&keyinfo + name_len;
316 keyinfo.DataLength = data_len;
317 keyinfo.NameLength = name_len;
318 length = min( length, (char *)keyinfo.Name - (char *)&keyinfo );
319 memcpy( info, &keyinfo, length );
322 case KeyValuePartialInformation:
324 KEY_VALUE_PARTIAL_INFORMATION keyinfo;
325 keyinfo.TitleIndex = 0;
327 keyinfo.DataLength = data_len;
328 length = min( length, (char *)keyinfo.Data - (char *)&keyinfo );
329 memcpy( info, &keyinfo, length );
338 /******************************************************************************
339 * NtEnumerateValueKey [NTDLL.@]
340 * ZwEnumerateValueKey [NTDLL.@]
342 NTSTATUS WINAPI NtEnumerateValueKey( HANDLE handle, ULONG index,
343 KEY_VALUE_INFORMATION_CLASS info_class,
344 void *info, DWORD length, DWORD *result_len )
349 int fixed_size = 0, name_len = 0, data_len = 0, offset = 0, type = 0, total_len = 0;
351 TRACE( "(0x%x,%lu,%d,%p,%ld)\n", handle, index, info_class, info, length );
353 /* compute the length we want to retrieve */
356 case KeyValueBasicInformation:
357 name_ptr = ((KEY_VALUE_BASIC_INFORMATION *)info)->Name;
359 fixed_size = (char *)name_ptr - (char *)info;
361 case KeyValueFullInformation:
362 name_ptr = ((KEY_VALUE_FULL_INFORMATION *)info)->Name;
363 data_ptr = (UCHAR *)name_ptr;
364 fixed_size = (char *)name_ptr - (char *)info;
366 case KeyValuePartialInformation:
368 data_ptr = ((KEY_VALUE_PARTIAL_INFORMATION *)info)->Data;
369 fixed_size = (char *)data_ptr - (char *)info;
372 FIXME( "Information class %d not implemented\n", info_class );
373 return STATUS_INVALID_PARAMETER;
375 if (length > fixed_size) data_len = length - fixed_size;
379 size_t reqlen = data_len + sizeof(WCHAR);
380 if (name_ptr && !offset) reqlen += MAX_PATH*sizeof(WCHAR);
381 reqlen = min( reqlen, REQUEST_MAX_VAR_SIZE );
383 SERVER_START_VAR_REQ( enum_key_value, reqlen )
387 req->offset = offset;
389 if (!(ret = SERVER_CALL()))
391 size_t size = server_data_size(req) - sizeof(WCHAR);
392 WCHAR *name = server_data_ptr(req);
393 if (!offset) /* name is only present on the first request */
399 if (name_len > data_len) /* overflow */
401 memcpy( name_ptr, name, data_len );
403 ret = STATUS_BUFFER_OVERFLOW;
407 memcpy( name_ptr, name, name_len );
408 data_len -= name_len;
409 if (data_ptr) data_ptr += name_len;
412 name += name_len / sizeof(WCHAR);
414 else name++; /* skip 0 length */
418 size = min( size, data_len );
419 memcpy( data_ptr + offset, name, size );
424 total_len = req->len;
429 } while (data_len && data_ptr && offset < total_len);
431 *result_len = total_len + fixed_size + (name_ptr ? name_len : 0);
433 if (data_ptr && offset < total_len) ret = STATUS_BUFFER_OVERFLOW;
434 if (length < fixed_size) ret = STATUS_BUFFER_OVERFLOW;
436 copy_key_value_info( info_class, info, length, type, name_len, total_len );
442 /******************************************************************************
443 * NtQueryValueKey [NTDLL.@]
444 * ZwQueryValueKey [NTDLL.@]
447 * the name in the KeyValueInformation is never set
449 NTSTATUS WINAPI NtQueryValueKey( HANDLE handle, const UNICODE_STRING *name,
450 KEY_VALUE_INFORMATION_CLASS info_class,
451 void *info, DWORD length, DWORD *result_len )
455 int fixed_size = 0, data_len = 0, offset = 0, type = 0, total_len = 0;
457 TRACE( "(0x%x,%s,%d,%p,%ld)\n", handle, debugstr_us(name), info_class, info, length );
459 if (name->Length > MAX_NAME_LENGTH) return STATUS_BUFFER_OVERFLOW;
461 /* compute the length we want to retrieve */
464 case KeyValueBasicInformation:
465 fixed_size = (char *)((KEY_VALUE_BASIC_INFORMATION *)info)->Name - (char *)info;
468 case KeyValueFullInformation:
469 data_ptr = (UCHAR *)((KEY_VALUE_FULL_INFORMATION *)info)->Name;
470 fixed_size = (char *)data_ptr - (char *)info;
472 case KeyValuePartialInformation:
473 data_ptr = ((KEY_VALUE_PARTIAL_INFORMATION *)info)->Data;
474 fixed_size = (char *)data_ptr - (char *)info;
477 FIXME( "Information class %d not implemented\n", info_class );
478 return STATUS_INVALID_PARAMETER;
480 if (data_ptr && length > fixed_size) data_len = length - fixed_size;
484 size_t reqlen = min( data_len, REQUEST_MAX_VAR_SIZE );
485 reqlen = max( reqlen, name->Length + sizeof(WCHAR) );
487 SERVER_START_VAR_REQ( get_key_value, reqlen )
489 WCHAR *nameptr = server_data_ptr(req);
492 req->offset = offset;
493 *nameptr++ = name->Length;
494 memcpy( nameptr, name->Buffer, name->Length );
496 if (!(ret = SERVER_CALL()))
498 size_t size = min( server_data_size(req), data_len );
500 total_len = req->len;
503 memcpy( data_ptr + offset, server_data_ptr(req), size );
511 } while (data_len && offset < total_len);
513 *result_len = total_len + fixed_size;
515 if (offset < total_len) ret = STATUS_BUFFER_OVERFLOW;
516 if (length < fixed_size) ret = STATUS_BUFFER_OVERFLOW;
518 copy_key_value_info( info_class, info, length, type, 0, total_len );
523 /******************************************************************************
524 * NtFlushKey [NTDLL.@]
525 * ZwFlushKey [NTDLL.@]
527 NTSTATUS WINAPI NtFlushKey(HANDLE KeyHandle)
529 FIXME("(0x%08x) stub!\n",
534 /******************************************************************************
535 * NtLoadKey [NTDLL.@]
536 * ZwLoadKey [NTDLL.@]
538 NTSTATUS WINAPI NtLoadKey( const OBJECT_ATTRIBUTES *attr, const OBJECT_ATTRIBUTES *file )
541 dump_ObjectAttributes(attr);
542 dump_ObjectAttributes(file);
543 return STATUS_SUCCESS;
546 /******************************************************************************
547 * NtNotifyChangeKey [NTDLL.@]
548 * ZwNotifyChangeKey [NTDLL.@]
550 NTSTATUS WINAPI NtNotifyChangeKey(
553 IN PIO_APC_ROUTINE ApcRoutine OPTIONAL,
554 IN PVOID ApcContext OPTIONAL,
555 OUT PIO_STATUS_BLOCK IoStatusBlock,
556 IN ULONG CompletionFilter,
557 IN BOOLEAN Asynchroneous,
558 OUT PVOID ChangeBuffer,
560 IN BOOLEAN WatchSubtree)
562 FIXME("(0x%08x,0x%08x,%p,%p,%p,0x%08lx, 0x%08x,%p,0x%08lx,0x%08x) stub!\n",
563 KeyHandle, Event, ApcRoutine, ApcContext, IoStatusBlock, CompletionFilter,
564 Asynchroneous, ChangeBuffer, Length, WatchSubtree);
565 return STATUS_SUCCESS;
568 /******************************************************************************
569 * NtQueryMultipleValueKey [NTDLL]
570 * ZwQueryMultipleValueKey
573 NTSTATUS WINAPI NtQueryMultipleValueKey(
575 PVALENTW ListOfValuesToQuery,
577 PVOID MultipleValueInformation,
581 FIXME("(0x%08x,%p,0x%08lx,%p,0x%08lx,%p) stub!\n",
582 KeyHandle, ListOfValuesToQuery, NumberOfItems, MultipleValueInformation,
583 Length,ReturnLength);
584 return STATUS_SUCCESS;
587 /******************************************************************************
588 * NtReplaceKey [NTDLL.@]
589 * ZwReplaceKey [NTDLL.@]
591 NTSTATUS WINAPI NtReplaceKey(
592 IN POBJECT_ATTRIBUTES ObjectAttributes,
594 IN POBJECT_ATTRIBUTES ReplacedObjectAttributes)
596 FIXME("(0x%08x),stub!\n", Key);
597 dump_ObjectAttributes(ObjectAttributes);
598 dump_ObjectAttributes(ReplacedObjectAttributes);
599 return STATUS_SUCCESS;
601 /******************************************************************************
602 * NtRestoreKey [NTDLL.@]
603 * ZwRestoreKey [NTDLL.@]
605 NTSTATUS WINAPI NtRestoreKey(
610 FIXME("(0x%08x,0x%08x,0x%08lx) stub\n",
611 KeyHandle, FileHandle, RestoreFlags);
612 return STATUS_SUCCESS;
614 /******************************************************************************
615 * NtSaveKey [NTDLL.@]
616 * ZwSaveKey [NTDLL.@]
618 NTSTATUS WINAPI NtSaveKey(
620 IN HANDLE FileHandle)
622 FIXME("(0x%08x,0x%08x) stub\n",
623 KeyHandle, FileHandle);
624 return STATUS_SUCCESS;
626 /******************************************************************************
627 * NtSetInformationKey [NTDLL.@]
628 * ZwSetInformationKey [NTDLL.@]
630 NTSTATUS WINAPI NtSetInformationKey(
632 IN const int KeyInformationClass,
633 IN PVOID KeyInformation,
634 IN ULONG KeyInformationLength)
636 FIXME("(0x%08x,0x%08x,%p,0x%08lx) stub\n",
637 KeyHandle, KeyInformationClass, KeyInformation, KeyInformationLength);
638 return STATUS_SUCCESS;
642 /******************************************************************************
643 * NtSetValueKey [NTDLL.@]
644 * ZwSetValueKey [NTDLL.@]
647 * win95 does not care about count for REG_SZ and finds out the len by itself (js)
648 * NT does definitely care (aj)
650 NTSTATUS WINAPI NtSetValueKey( HANDLE hkey, const UNICODE_STRING *name, ULONG TitleIndex,
651 ULONG type, const void *data, ULONG count )
656 TRACE( "(0x%x,%s,%ld,%p,%ld)\n", hkey, debugstr_us(name), type, data, count );
658 if (name->Length > MAX_NAME_LENGTH) return STATUS_BUFFER_OVERFLOW;
660 namelen = name->Length + sizeof(WCHAR); /* for storing length */
665 ULONG len = count - pos;
666 if (len > REQUEST_MAX_VAR_SIZE - namelen) len = REQUEST_MAX_VAR_SIZE - namelen;
668 SERVER_START_VAR_REQ( set_key_value, namelen + len )
670 WCHAR *name_ptr = server_data_ptr(req);
676 *name_ptr++ = name->Length;
677 memcpy( name_ptr, name->Buffer, name->Length );
678 memcpy( (char *)name_ptr + name->Length, (char *)data + pos, len );
683 } while (!ret && pos < count);
687 /******************************************************************************
688 * NtUnloadKey [NTDLL.@]
689 * ZwUnloadKey [NTDLL.@]
691 NTSTATUS WINAPI NtUnloadKey(
694 FIXME("(0x%08x) stub\n",
696 return STATUS_SUCCESS;
699 /******************************************************************************
700 * RtlFormatCurrentUserKeyPath [NTDLL.@]
702 NTSTATUS WINAPI RtlFormatCurrentUserKeyPath(
703 IN OUT PUNICODE_STRING KeyPath)
705 /* LPSTR Path = "\\REGISTRY\\USER\\S-1-5-21-0000000000-000000000-0000000000-500";*/
706 LPSTR Path = "\\REGISTRY\\USER\\.DEFAULT";
707 ANSI_STRING AnsiPath;
709 FIXME("(%p) stub\n",KeyPath);
710 RtlInitAnsiString(&AnsiPath, Path);
711 return RtlAnsiStringToUnicodeString(KeyPath, &AnsiPath, TRUE);
714 /******************************************************************************
715 * RtlOpenCurrentUser [NTDLL.@]
717 * if we return just HKEY_CURRENT_USER the advapi tries to find a remote
718 * registry (odd handle) and fails
721 DWORD WINAPI RtlOpenCurrentUser(
722 IN ACCESS_MASK DesiredAccess, /* [in] */
723 OUT PHANDLE KeyHandle) /* [out] handle of HKEY_CURRENT_USER */
725 OBJECT_ATTRIBUTES ObjectAttributes;
726 UNICODE_STRING ObjectName;
729 TRACE("(0x%08lx, %p) stub\n",DesiredAccess, KeyHandle);
731 RtlFormatCurrentUserKeyPath(&ObjectName);
732 InitializeObjectAttributes(&ObjectAttributes,&ObjectName,OBJ_CASE_INSENSITIVE,0, NULL);
733 ret = NtOpenKey(KeyHandle, DesiredAccess, &ObjectAttributes);
734 RtlFreeUnicodeString(&ObjectName);