dlls/ntdll/reg.c

   1 /*
   2  * Registry functions
   3  *
   4  * Copyright (C) 1999 Juergen Schmied
   5  * Copyright (C) 2000 Alexandre Julliard
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library 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 GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  *
  21  * NOTES:
  22  *      HKEY_LOCAL_MACHINE      \\REGISTRY\\MACHINE
  23  *      HKEY_USERS              \\REGISTRY\\USER
  24  *      HKEY_CURRENT_CONFIG     \\REGISTRY\\MACHINE\\SYSTEM\\CURRENTCONTROLSET\\HARDWARE PROFILES\\CURRENT
  25   *     HKEY_CLASSES            \\REGISTRY\\MACHINE\\SOFTWARE\\CLASSES
  26  */
  27
  28 #include "config.h"
  29 #include "wine/port.h"
  30
  31 #include <stdarg.h>
  32 #include <stdio.h>
  33 #include <string.h>
  34
  35 #include "winerror.h"
  36 #include "wine/unicode.h"
  37 #include "wine/library.h"
  38 #include "wine/server.h"
  39 #include "windef.h"
  40 #include "winbase.h"
  41 #include "winreg.h"
  42 #include "winternl.h"
  43 #include "ntdll_misc.h"
  44 #include "wine/debug.h"
  45
  46 WINE_DEFAULT_DEBUG_CHANNEL(reg);
  47
  48 /* maximum length of a key/value name in bytes (without terminating null) */
  49 #define MAX_NAME_LENGTH ((MAX_PATH-1) * sizeof(WCHAR))
  50
  51
  52 /******************************************************************************
  53  * NtCreateKey [NTDLL.@]
  54  * ZwCreateKey [NTDLL.@]
  55  */
  56 NTSTATUS WINAPI NtCreateKey( PHKEY retkey, ACCESS_MASK access, const OBJECT_ATTRIBUTES *attr,
  57                              ULONG TitleIndex, const UNICODE_STRING *class, ULONG options,
  58                              PULONG dispos )
  59 {
  60     NTSTATUS ret;
  61
  62     TRACE( "(%p,%s,%s,%lx,%lx,%p)\n", attr->RootDirectory, debugstr_us(attr->ObjectName),
  63            debugstr_us(class), options, access, retkey );
  64
  65     if (attr->ObjectName->Length > MAX_NAME_LENGTH) return STATUS_BUFFER_OVERFLOW;
  66     if (!retkey) return STATUS_INVALID_PARAMETER;
  67
  68     SERVER_START_REQ( create_key )
  69     {
  70         req->parent  = attr->RootDirectory;
  71         req->access  = access;
  72         req->options = options;
  73         req->modif   = 0;
  74         req->namelen = attr->ObjectName->Length;
  75         wine_server_add_data( req, attr->ObjectName->Buffer, attr->ObjectName->Length );
  76         if (class) wine_server_add_data( req, class->Buffer, class->Length );
  77         if (!(ret = wine_server_call( req )))
  78         {
  79             *retkey = reply->hkey;
  80             if (dispos) *dispos = reply->created ? REG_CREATED_NEW_KEY : REG_OPENED_EXISTING_KEY;
  81         }
  82     }
  83     SERVER_END_REQ;
  84     TRACE("<- %p\n", *retkey);
  85     return ret;
  86 }
  87
  88 /******************************************************************************
  89  *  RtlpNtCreateKey [NTDLL.@]
  90  *
  91  *  See NtCreateKey.
  92  */
  93 NTSTATUS WINAPI RtlpNtCreateKey( PHKEY retkey, ACCESS_MASK access, OBJECT_ATTRIBUTES *attr,
  94                                  ULONG TitleIndex, const UNICODE_STRING *class, ULONG options,
  95                                  PULONG dispos )
  96 {
  97     if (attr)
  98         attr->Attributes &= ~(OBJ_PERMANENT|OBJ_EXCLUSIVE);
  99
 100     return NtCreateKey(retkey, access, attr, 0, NULL, 0, dispos);
 101 }
 102
 103 /******************************************************************************
 104  * NtOpenKey [NTDLL.@]
 105  * ZwOpenKey [NTDLL.@]
 106  *
 107  *   OUT        PHKEY                   retkey (returns 0 when failure)
 108  *   IN         ACCESS_MASK             access
 109  *   IN         POBJECT_ATTRIBUTES      attr
 110  */
 111 NTSTATUS WINAPI NtOpenKey( PHKEY retkey, ACCESS_MASK access, const OBJECT_ATTRIBUTES *attr )
 112 {
 113     NTSTATUS ret;
 114     DWORD len = attr->ObjectName->Length;
 115
 116     TRACE( "(%p,%s,%lx,%p)\n", attr->RootDirectory,
 117            debugstr_us(attr->ObjectName), access, retkey );
 118
 119     if (len > MAX_NAME_LENGTH) return STATUS_BUFFER_OVERFLOW;
 120     if (!retkey) return STATUS_INVALID_PARAMETER;
 121
 122     SERVER_START_REQ( open_key )
 123     {
 124         req->parent = attr->RootDirectory;
 125         req->access = access;
 126         wine_server_add_data( req, attr->ObjectName->Buffer, len );
 127         ret = wine_server_call( req );
 128         *retkey = reply->hkey;
 129     }
 130     SERVER_END_REQ;
 131     TRACE("<- %p\n", *retkey);
 132     return ret;
 133 }
 134
 135 /******************************************************************************
 136  * RtlpNtOpenKey [NTDLL.@]
 137  *
 138  * See NtOpenKey.
 139  */
 140 NTSTATUS WINAPI RtlpNtOpenKey( PHKEY retkey, ACCESS_MASK access, OBJECT_ATTRIBUTES *attr )
 141 {
 142     if (attr)
 143         attr->Attributes &= ~(OBJ_PERMANENT|OBJ_EXCLUSIVE);
 144     return NtOpenKey(retkey, access, attr);
 145 }
 146
 147 /******************************************************************************
 148  * NtDeleteKey [NTDLL.@]
 149  * ZwDeleteKey [NTDLL.@]
 150  */
 151 NTSTATUS WINAPI NtDeleteKey( HKEY hkey )
 152 {
 153     NTSTATUS ret;
 154
 155     TRACE( "(%p)\n", hkey );
 156
 157     SERVER_START_REQ( delete_key )
 158     {
 159         req->hkey = hkey;
 160         ret = wine_server_call( req );
 161     }
 162     SERVER_END_REQ;
 163     return ret;
 164 }
 165
 166 /******************************************************************************
 167  * RtlpNtMakeTemporaryKey [NTDLL.@]
 168  *
 169  *  See NtDeleteKey.
 170  */
 171 NTSTATUS WINAPI RtlpNtMakeTemporaryKey( HKEY hkey )
 172 {
 173     return NtDeleteKey(hkey);
 174 }
 175
 176 /******************************************************************************
 177  * NtDeleteValueKey [NTDLL.@]
 178  * ZwDeleteValueKey [NTDLL.@]
 179  */
 180 NTSTATUS WINAPI NtDeleteValueKey( HKEY hkey, const UNICODE_STRING *name )
 181 {
 182     NTSTATUS ret;
 183
 184     TRACE( "(%p,%s)\n", hkey, debugstr_us(name) );
 185     if (name->Length > MAX_NAME_LENGTH) return STATUS_BUFFER_OVERFLOW;
 186
 187     SERVER_START_REQ( delete_key_value )
 188     {
 189         req->hkey = hkey;
 190         wine_server_add_data( req, name->Buffer, name->Length );
 191         ret = wine_server_call( req );
 192     }
 193     SERVER_END_REQ;
 194     return ret;
 195 }
 196
 197
 198 /******************************************************************************
 199  *     enumerate_key
 200  *
 201  * Implementation of NtQueryKey and NtEnumerateKey
 202  */
 203 static NTSTATUS enumerate_key( HKEY handle, int index, KEY_INFORMATION_CLASS info_class,
 204                                void *info, DWORD length, DWORD *result_len )
 205
 206 {
 207     NTSTATUS ret;
 208     void *data_ptr;
 209     size_t fixed_size;
 210
 211     switch(info_class)
 212     {
 213     case KeyBasicInformation: data_ptr = ((KEY_BASIC_INFORMATION *)info)->Name; break;
 214     case KeyFullInformation:  data_ptr = ((KEY_FULL_INFORMATION *)info)->Class; break;
 215     case KeyNodeInformation:  data_ptr = ((KEY_NODE_INFORMATION *)info)->Name;  break;
 216     default:
 217         FIXME( "Information class %d not implemented\n", info_class );
 218         return STATUS_INVALID_PARAMETER;
 219     }
 220     fixed_size = (char *)data_ptr - (char *)info;
 221
 222     SERVER_START_REQ( enum_key )
 223     {
 224         req->hkey       = handle;
 225         req->index      = index;
 226         req->info_class = info_class;
 227         if (length > fixed_size) wine_server_set_reply( req, data_ptr, length - fixed_size );
 228         if (!(ret = wine_server_call( req )))
 229         {
 230             LARGE_INTEGER modif;
 231
 232             RtlSecondsSince1970ToTime( reply->modif, &modif );
 233
 234             switch(info_class)
 235             {
 236             case KeyBasicInformation:
 237                 {
 238                     KEY_BASIC_INFORMATION keyinfo;
 239                     fixed_size = (char *)keyinfo.Name - (char *)&keyinfo;
 240                     keyinfo.LastWriteTime = modif;
 241                     keyinfo.TitleIndex = 0;
 242                     keyinfo.NameLength = reply->namelen;
 243                     memcpy( info, &keyinfo, min( length, fixed_size ) );
 244                 }
 245                 break;
 246             case KeyFullInformation:
 247                 {
 248                     KEY_FULL_INFORMATION keyinfo;
 249                     fixed_size = (char *)keyinfo.Class - (char *)&keyinfo;
 250                     keyinfo.LastWriteTime = modif;
 251                     keyinfo.TitleIndex = 0;
 252                     keyinfo.ClassLength = wine_server_reply_size(reply);
 253                     keyinfo.ClassOffset = keyinfo.ClassLength ? fixed_size : -1;
 254                     keyinfo.SubKeys = reply->subkeys;
 255                     keyinfo.MaxNameLen = reply->max_subkey;
 256                     keyinfo.MaxClassLen = reply->max_class;
 257                     keyinfo.Values = reply->values;
 258                     keyinfo.MaxValueNameLen = reply->max_value;
 259                     keyinfo.MaxValueDataLen = reply->max_data;
 260                     memcpy( info, &keyinfo, min( length, fixed_size ) );
 261                 }
 262                 break;
 263             case KeyNodeInformation:
 264                 {
 265                     KEY_NODE_INFORMATION keyinfo;
 266                     fixed_size = (char *)keyinfo.Name - (char *)&keyinfo;
 267                     keyinfo.LastWriteTime = modif;
 268                     keyinfo.TitleIndex = 0;
 269                     keyinfo.ClassLength = max( 0, wine_server_reply_size(reply) - reply->namelen );
 270                     keyinfo.ClassOffset = keyinfo.ClassLength ? fixed_size + reply->namelen : -1;
 271                     keyinfo.NameLength = reply->namelen;
 272                     memcpy( info, &keyinfo, min( length, fixed_size ) );
 273                 }
 274                 break;
 275             }
 276             *result_len = fixed_size + reply->total;
 277             if (length < *result_len) ret = STATUS_BUFFER_OVERFLOW;
 278         }
 279     }
 280     SERVER_END_REQ;
 281     return ret;
 282 }
 283
 284
 285
 286 /******************************************************************************
 287  * NtEnumerateKey [NTDLL.@]
 288  * ZwEnumerateKey [NTDLL.@]
 289  *
 290  * NOTES
 291  *  the name copied into the buffer is NOT 0-terminated
 292  */
 293 NTSTATUS WINAPI NtEnumerateKey( HKEY handle, ULONG index, KEY_INFORMATION_CLASS info_class,
 294                                 void *info, DWORD length, DWORD *result_len )
 295 {
 296     /* -1 means query key, so avoid it here */
 297     if (index == (ULONG)-1) return STATUS_NO_MORE_ENTRIES;
 298     return enumerate_key( handle, index, info_class, info, length, result_len );
 299 }
 300
 301
 302 /******************************************************************************
 303  * RtlpNtEnumerateSubKey [NTDLL.@]
 304  *
 305  */
 306 NTSTATUS WINAPI RtlpNtEnumerateSubKey( HKEY handle, UNICODE_STRING *out, ULONG index )
 307 {
 308   KEY_BASIC_INFORMATION *info;
 309   DWORD dwLen, dwResultLen;
 310   NTSTATUS ret;
 311
 312   if (out->Length)
 313   {
 314     dwLen = out->Length + sizeof(KEY_BASIC_INFORMATION);
 315     info = (KEY_BASIC_INFORMATION*)RtlAllocateHeap( GetProcessHeap(), 0, dwLen );
 316     if (!info)
 317       return STATUS_NO_MEMORY;
 318   }
 319   else
 320   {
 321     dwLen = 0;
 322     info = NULL;
 323   }
 324
 325   ret = NtEnumerateKey( handle, index, KeyBasicInformation, info, dwLen, &dwResultLen );
 326   dwResultLen -= sizeof(KEY_BASIC_INFORMATION);
 327
 328   if (ret == STATUS_BUFFER_OVERFLOW)
 329     out->Length = dwResultLen;
 330   else if (!ret)
 331   {
 332     if (out->Length < info->NameLength)
 333     {
 334       out->Length = dwResultLen;
 335       ret = STATUS_BUFFER_OVERFLOW;
 336     }
 337     else
 338     {
 339       out->Length = info->NameLength;
 340       memcpy(out->Buffer, info->Name, info->NameLength);
 341     }
 342   }
 343
 344   if (info)
 345     RtlFreeHeap( GetProcessHeap(), 0, info );
 346   return ret;
 347 }
 348
 349 /******************************************************************************
 350  * NtQueryKey [NTDLL.@]
 351  * ZwQueryKey [NTDLL.@]
 352  */
 353 NTSTATUS WINAPI NtQueryKey( HKEY handle, KEY_INFORMATION_CLASS info_class,
 354                             void *info, DWORD length, DWORD *result_len )
 355 {
 356     return enumerate_key( handle, -1, info_class, info, length, result_len );
 357 }
 358
 359
 360 /* fill the key value info structure for a specific info class */
 361 static void copy_key_value_info( KEY_VALUE_INFORMATION_CLASS info_class, void *info,
 362                                  DWORD length, int type, int name_len, int data_len )
 363 {
 364     switch(info_class)
 365     {
 366     case KeyValueBasicInformation:
 367         {
 368             KEY_VALUE_BASIC_INFORMATION keyinfo;
 369             keyinfo.TitleIndex = 0;
 370             keyinfo.Type       = type;
 371             keyinfo.NameLength = name_len;
 372             length = min( length, (char *)keyinfo.Name - (char *)&keyinfo );
 373             memcpy( info, &keyinfo, length );
 374             break;
 375         }
 376     case KeyValueFullInformation:
 377         {
 378             KEY_VALUE_FULL_INFORMATION keyinfo;
 379             keyinfo.TitleIndex = 0;
 380             keyinfo.Type       = type;
 381             keyinfo.DataOffset = (char *)keyinfo.Name - (char *)&keyinfo + name_len;
 382             keyinfo.DataLength = data_len;
 383             keyinfo.NameLength = name_len;
 384             length = min( length, (char *)keyinfo.Name - (char *)&keyinfo );
 385             memcpy( info, &keyinfo, length );
 386             break;
 387         }
 388     case KeyValuePartialInformation:
 389         {
 390             KEY_VALUE_PARTIAL_INFORMATION keyinfo;
 391             keyinfo.TitleIndex = 0;
 392             keyinfo.Type       = type;
 393             keyinfo.DataLength = data_len;
 394             length = min( length, (char *)keyinfo.Data - (char *)&keyinfo );
 395             memcpy( info, &keyinfo, length );
 396             break;
 397         }
 398     default:
 399         break;
 400     }
 401 }
 402
 403
 404 /******************************************************************************
 405  *  NtEnumerateValueKey [NTDLL.@]
 406  *  ZwEnumerateValueKey [NTDLL.@]
 407  */
 408 NTSTATUS WINAPI NtEnumerateValueKey( HKEY handle, ULONG index,
 409                                      KEY_VALUE_INFORMATION_CLASS info_class,
 410                                      void *info, DWORD length, DWORD *result_len )
 411 {
 412     NTSTATUS ret;
 413     void *ptr;
 414     size_t fixed_size;
 415
 416     TRACE( "(%p,%lu,%d,%p,%ld)\n", handle, index, info_class, info, length );
 417
 418     /* compute the length we want to retrieve */
 419     switch(info_class)
 420     {
 421     case KeyValueBasicInformation:   ptr = ((KEY_VALUE_BASIC_INFORMATION *)info)->Name; break;
 422     case KeyValueFullInformation:    ptr = ((KEY_VALUE_FULL_INFORMATION *)info)->Name; break;
 423     case KeyValuePartialInformation: ptr = ((KEY_VALUE_PARTIAL_INFORMATION *)info)->Data; break;
 424     default:
 425         FIXME( "Information class %d not implemented\n", info_class );
 426         return STATUS_INVALID_PARAMETER;
 427     }
 428     fixed_size = (char *)ptr - (char *)info;
 429
 430     SERVER_START_REQ( enum_key_value )
 431     {
 432         req->hkey       = handle;
 433         req->index      = index;
 434         req->info_class = info_class;
 435         if (length > fixed_size) wine_server_set_reply( req, ptr, length - fixed_size );
 436         if (!(ret = wine_server_call( req )))
 437         {
 438             copy_key_value_info( info_class, info, length, reply->type, reply->namelen,
 439                                  wine_server_reply_size(reply) - reply->namelen );
 440             *result_len = fixed_size + reply->total;
 441             if (length < *result_len) ret = STATUS_BUFFER_OVERFLOW;
 442         }
 443     }
 444     SERVER_END_REQ;
 445     return ret;
 446 }
 447
 448
 449 /******************************************************************************
 450  * NtQueryValueKey [NTDLL.@]
 451  * ZwQueryValueKey [NTDLL.@]
 452  *
 453  * NOTES
 454  *  the name in the KeyValueInformation is never set
 455  */
 456 NTSTATUS WINAPI NtQueryValueKey( HKEY handle, const UNICODE_STRING *name,
 457                                  KEY_VALUE_INFORMATION_CLASS info_class,
 458                                  void *info, DWORD length, DWORD *result_len )
 459 {
 460     NTSTATUS ret;
 461     UCHAR *data_ptr;
 462     int fixed_size = 0;
 463
 464     TRACE( "(%p,%s,%d,%p,%ld)\n", handle, debugstr_us(name), info_class, info, length );
 465
 466     if (name->Length > MAX_NAME_LENGTH) return STATUS_BUFFER_OVERFLOW;
 467
 468     /* compute the length we want to retrieve */
 469     switch(info_class)
 470     {
 471     case KeyValueBasicInformation:
 472         fixed_size = (char *)((KEY_VALUE_BASIC_INFORMATION *)info)->Name - (char *)info;
 473         data_ptr = NULL;
 474         break;
 475     case KeyValueFullInformation:
 476         data_ptr = (UCHAR *)((KEY_VALUE_FULL_INFORMATION *)info)->Name;
 477         fixed_size = (char *)data_ptr - (char *)info;
 478         break;
 479     case KeyValuePartialInformation:
 480         data_ptr = ((KEY_VALUE_PARTIAL_INFORMATION *)info)->Data;
 481         fixed_size = (char *)data_ptr - (char *)info;
 482         break;
 483     default:
 484         FIXME( "Information class %d not implemented\n", info_class );
 485         return STATUS_INVALID_PARAMETER;
 486     }
 487
 488     SERVER_START_REQ( get_key_value )
 489     {
 490         req->hkey = handle;
 491         wine_server_add_data( req, name->Buffer, name->Length );
 492         if (length > fixed_size) wine_server_set_reply( req, data_ptr, length - fixed_size );
 493         if (!(ret = wine_server_call( req )))
 494         {
 495             copy_key_value_info( info_class, info, length, reply->type,
 496                                  0, wine_server_reply_size(reply) );
 497             *result_len = fixed_size + reply->total;
 498             if (length < *result_len) ret = STATUS_BUFFER_OVERFLOW;
 499         }
 500     }
 501     SERVER_END_REQ;
 502     return ret;
 503 }
 504
 505 /******************************************************************************
 506  * RtlpNtQueryValueKey [NTDLL.@]
 507  *
 508  */
 509 NTSTATUS WINAPI RtlpNtQueryValueKey( HKEY handle, ULONG *result_type, PBYTE dest,
 510                                      DWORD *result_len )
 511 {
 512     KEY_VALUE_PARTIAL_INFORMATION *info;
 513     UNICODE_STRING name;
 514     NTSTATUS ret;
 515     DWORD dwResultLen;
 516     DWORD dwLen = sizeof (KEY_VALUE_PARTIAL_INFORMATION) + result_len ? *result_len : 0;
 517
 518     info = (KEY_VALUE_PARTIAL_INFORMATION*)RtlAllocateHeap( GetProcessHeap(), 0, dwLen );
 519     if (!info)
 520       return STATUS_NO_MEMORY;
 521
 522     name.Length = 0;
 523     ret = NtQueryValueKey( handle, &name, KeyValuePartialInformation, info, dwLen, &dwResultLen );
 524
 525     if (!ret || ret == STATUS_BUFFER_OVERFLOW)
 526     {
 527         if (result_len)
 528             *result_len = info->DataLength;
 529
 530         if (result_type)
 531             *result_type = info->Type;
 532
 533         if (ret != STATUS_BUFFER_OVERFLOW)
 534             memcpy( dest, info->Data, info->DataLength );
 535     }
 536
 537     RtlFreeHeap( GetProcessHeap(), 0, info );
 538     return ret;
 539 }
 540
 541 /******************************************************************************
 542  *  NtFlushKey  [NTDLL.@]
 543  *  ZwFlushKey  [NTDLL.@]
 544  */
 545 NTSTATUS WINAPI NtFlushKey(HKEY key)
 546 {
 547     NTSTATUS ret;
 548
 549     TRACE("key=%p\n", key);
 550
 551     SERVER_START_REQ( flush_key )
 552     {
 553         req->hkey = key;
 554         ret = wine_server_call( req );
 555     }
 556     SERVER_END_REQ;
 557
 558     return ret;
 559 }
 560
 561 /******************************************************************************
 562  *  NtLoadKey   [NTDLL.@]
 563  *  ZwLoadKey   [NTDLL.@]
 564  */
 565 NTSTATUS WINAPI NtLoadKey( const OBJECT_ATTRIBUTES *attr, const OBJECT_ATTRIBUTES *file )
 566 {
 567     FIXME("stub!\n");
 568     dump_ObjectAttributes(attr);
 569     dump_ObjectAttributes(file);
 570     return STATUS_SUCCESS;
 571 }
 572
 573 /******************************************************************************
 574  *  NtNotifyChangeKey   [NTDLL.@]
 575  *  ZwNotifyChangeKey   [NTDLL.@]
 576  */
 577 NTSTATUS WINAPI NtNotifyChangeKey(
 578         IN HKEY KeyHandle,
 579         IN HANDLE Event,
 580         IN PIO_APC_ROUTINE ApcRoutine OPTIONAL,
 581         IN PVOID ApcContext OPTIONAL,
 582         OUT PIO_STATUS_BLOCK IoStatusBlock,
 583         IN ULONG CompletionFilter,
 584         IN BOOLEAN Asynchroneous,
 585         OUT PVOID ChangeBuffer,
 586         IN ULONG Length,
 587         IN BOOLEAN WatchSubtree)
 588 {
 589         FIXME("(%p,%p,%p,%p,%p,0x%08lx, 0x%08x,%p,0x%08lx,0x%08x) stub!\n",
 590         KeyHandle, Event, ApcRoutine, ApcContext, IoStatusBlock, CompletionFilter,
 591         Asynchroneous, ChangeBuffer, Length, WatchSubtree);
 592         return STATUS_SUCCESS;
 593 }
 594
 595 /******************************************************************************
 596  * NtQueryMultipleValueKey [NTDLL]
 597  * ZwQueryMultipleValueKey
 598  */
 599
 600 NTSTATUS WINAPI NtQueryMultipleValueKey(
 601         HKEY KeyHandle,
 602         PVALENTW ListOfValuesToQuery,
 603         ULONG NumberOfItems,
 604         PVOID MultipleValueInformation,
 605         ULONG Length,
 606         PULONG  ReturnLength)
 607 {
 608         FIXME("(%p,%p,0x%08lx,%p,0x%08lx,%p) stub!\n",
 609         KeyHandle, ListOfValuesToQuery, NumberOfItems, MultipleValueInformation,
 610         Length,ReturnLength);
 611         return STATUS_SUCCESS;
 612 }
 613
 614 /******************************************************************************
 615  * NtReplaceKey [NTDLL.@]
 616  * ZwReplaceKey [NTDLL.@]
 617  */
 618 NTSTATUS WINAPI NtReplaceKey(
 619         IN POBJECT_ATTRIBUTES ObjectAttributes,
 620         IN HKEY Key,
 621         IN POBJECT_ATTRIBUTES ReplacedObjectAttributes)
 622 {
 623         FIXME("(%p),stub!\n", Key);
 624         dump_ObjectAttributes(ObjectAttributes);
 625         dump_ObjectAttributes(ReplacedObjectAttributes);
 626         return STATUS_SUCCESS;
 627 }
 628 /******************************************************************************
 629  * NtRestoreKey [NTDLL.@]
 630  * ZwRestoreKey [NTDLL.@]
 631  */
 632 NTSTATUS WINAPI NtRestoreKey(
 633         HKEY KeyHandle,
 634         HANDLE FileHandle,
 635         ULONG RestoreFlags)
 636 {
 637         FIXME("(%p,%p,0x%08lx) stub\n",
 638         KeyHandle, FileHandle, RestoreFlags);
 639         return STATUS_SUCCESS;
 640 }
 641 /******************************************************************************
 642  * NtSaveKey [NTDLL.@]
 643  * ZwSaveKey [NTDLL.@]
 644  */
 645 NTSTATUS WINAPI NtSaveKey(
 646         IN HKEY KeyHandle,
 647         IN HANDLE FileHandle)
 648 {
 649         FIXME("(%p,%p) stub\n",
 650         KeyHandle, FileHandle);
 651         return STATUS_SUCCESS;
 652 }
 653 /******************************************************************************
 654  * NtSetInformationKey [NTDLL.@]
 655  * ZwSetInformationKey [NTDLL.@]
 656  */
 657 NTSTATUS WINAPI NtSetInformationKey(
 658         IN HKEY KeyHandle,
 659         IN const int KeyInformationClass,
 660         IN PVOID KeyInformation,
 661         IN ULONG KeyInformationLength)
 662 {
 663         FIXME("(%p,0x%08x,%p,0x%08lx) stub\n",
 664         KeyHandle, KeyInformationClass, KeyInformation, KeyInformationLength);
 665         return STATUS_SUCCESS;
 666 }
 667
 668
 669 /******************************************************************************
 670  * NtSetValueKey [NTDLL.@]
 671  * ZwSetValueKey [NTDLL.@]
 672  *
 673  * NOTES
 674  *   win95 does not care about count for REG_SZ and finds out the len by itself (js)
 675  *   NT does definitely care (aj)
 676  */
 677 NTSTATUS WINAPI NtSetValueKey( HKEY hkey, const UNICODE_STRING *name, ULONG TitleIndex,
 678                                ULONG type, const void *data, ULONG count )
 679 {
 680     NTSTATUS ret;
 681
 682     TRACE( "(%p,%s,%ld,%p,%ld)\n", hkey, debugstr_us(name), type, data, count );
 683
 684     if (name->Length > MAX_NAME_LENGTH) return STATUS_BUFFER_OVERFLOW;
 685
 686     SERVER_START_REQ( set_key_value )
 687     {
 688         req->hkey    = hkey;
 689         req->type    = type;
 690         req->namelen = name->Length;
 691         wine_server_add_data( req, name->Buffer, name->Length );
 692         wine_server_add_data( req, data, count );
 693         ret = wine_server_call( req );
 694     }
 695     SERVER_END_REQ;
 696     return ret;
 697 }
 698
 699 /******************************************************************************
 700  * RtlpNtSetValueKey [NTDLL.@]
 701  *
 702  */
 703 NTSTATUS WINAPI RtlpNtSetValueKey( HKEY hkey, ULONG type, const void *data,
 704                                    ULONG count )
 705 {
 706     UNICODE_STRING name;
 707
 708     name.Length = 0;
 709     return NtSetValueKey( hkey, &name, 0, type, data, count );
 710 }
 711
 712 /******************************************************************************
 713  * NtUnloadKey [NTDLL.@]
 714  * ZwUnloadKey [NTDLL.@]
 715  */
 716 NTSTATUS WINAPI NtUnloadKey(
 717         IN HKEY KeyHandle)
 718 {
 719         FIXME("(%p) stub\n",
 720         KeyHandle);
 721         return STATUS_SUCCESS;
 722 }
 723
 724 /******************************************************************************
 725  *  RtlFormatCurrentUserKeyPath         [NTDLL.@]
 726  *
 727  * NOTE: under NT the user name part of the path is an SID.
 728  */
 729 NTSTATUS WINAPI RtlFormatCurrentUserKeyPath( IN OUT PUNICODE_STRING KeyPath)
 730 {
 731     static const WCHAR pathW[] = {'\\','R','e','g','i','s','t','r','y','\\','U','s','e','r','\\'};
 732     const char *user = wine_get_user_name();
 733     int len = ntdll_umbstowcs( 0, user, strlen(user)+1, NULL, 0 );
 734
 735     KeyPath->MaximumLength = sizeof(pathW) + len * sizeof(WCHAR);
 736     KeyPath->Length = KeyPath->MaximumLength - sizeof(WCHAR);
 737     if (!(KeyPath->Buffer = RtlAllocateHeap( GetProcessHeap(), 0, KeyPath->MaximumLength )))
 738         return STATUS_NO_MEMORY;
 739     memcpy( KeyPath->Buffer, pathW, sizeof(pathW) );
 740     ntdll_umbstowcs( 0, user, strlen(user)+1, KeyPath->Buffer + sizeof(pathW)/sizeof(WCHAR), len );
 741     return STATUS_SUCCESS;
 742 }
 743
 744 /******************************************************************************
 745  *  RtlOpenCurrentUser          [NTDLL.@]
 746  *
 747  * if we return just HKEY_CURRENT_USER the advapi tries to find a remote
 748  * registry (odd handle) and fails
 749  *
 750  */
 751 DWORD WINAPI RtlOpenCurrentUser(
 752         IN ACCESS_MASK DesiredAccess, /* [in] */
 753         OUT PHKEY KeyHandle)          /* [out] handle of HKEY_CURRENT_USER */
 754 {
 755         OBJECT_ATTRIBUTES ObjectAttributes;
 756         UNICODE_STRING ObjectName;
 757         NTSTATUS ret;
 758
 759         TRACE("(0x%08lx, %p) stub\n",DesiredAccess, KeyHandle);
 760
 761         RtlFormatCurrentUserKeyPath(&ObjectName);
 762         InitializeObjectAttributes(&ObjectAttributes,&ObjectName,OBJ_CASE_INSENSITIVE,0, NULL);
 763         ret = NtCreateKey(KeyHandle, DesiredAccess, &ObjectAttributes, 0, NULL, 0, NULL);
 764         RtlFreeUnicodeString(&ObjectName);
 765         return ret;
 766 }