dlls/ntdll/reg.c

   1 /*
   2  * Registry functions
   3  *
   4  * Copyright (C) 1999 Juergen Schmied
   5  * Copyright (C) 2000 Alexandre Julliard
   6  *
   7  * NOTES:
   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
  12  */
  13
  14 #include <string.h>
  15 #include "debugtools.h"
  16 #include "winreg.h"
  17 #include "winerror.h"
  18 #include "wine/unicode.h"
  19 #include "server.h"
  20 #include "ntddk.h"
  21 #include "ntdll_misc.h"
  22
  23 DEFAULT_DEBUG_CHANNEL(reg);
  24
  25 static const WCHAR root_name[] = { '\\','R','e','g','i','s','t','r','y','\\',0 };
  26 static const UNICODE_STRING root_path =
  27 {
  28     sizeof(root_name)-sizeof(WCHAR),  /* Length */
  29     sizeof(root_name),                /* MaximumLength */
  30     (LPWSTR)root_name                 /* Buffer */
  31 };
  32
  33 /* maximum length of a key/value name in bytes (without terminating null) */
  34 #define MAX_NAME_LENGTH ((MAX_PATH-1) * sizeof(WCHAR))
  35
  36
  37 /* copy a key name into the request buffer */
  38 static inline NTSTATUS copy_nameU( LPWSTR Dest, const UNICODE_STRING *name, UINT max )
  39 {
  40     if (name->Length >= max) return STATUS_BUFFER_OVERFLOW;
  41     if (name->Length) memcpy( Dest, name->Buffer, name->Length );
  42     Dest[name->Length / sizeof(WCHAR)] = 0;
  43     return STATUS_SUCCESS;
  44 }
  45
  46
  47 /******************************************************************************
  48  * NtCreateKey [NTDLL]
  49  * ZwCreateKey
  50  */
  51 NTSTATUS WINAPI NtCreateKey( PHANDLE retkey, ACCESS_MASK access, const OBJECT_ATTRIBUTES *attr,
  52                              ULONG TitleIndex, const UNICODE_STRING *class, ULONG options,
  53                              PULONG dispos )
  54 {
  55     NTSTATUS ret;
  56     DWORD len = attr->ObjectName->Length;
  57
  58     TRACE( "(0x%x,%s,%s,%lx,%lx,%p)\n", attr->RootDirectory, debugstr_us(attr->ObjectName),
  59            debugstr_us(class), options, access, retkey );
  60
  61     if (len > MAX_NAME_LENGTH) return STATUS_BUFFER_OVERFLOW;
  62     len += sizeof(WCHAR);  /* for storing name length */
  63     if (class)
  64     {
  65         len += class->Length;
  66         if (len > REQUEST_MAX_VAR_SIZE) return STATUS_BUFFER_OVERFLOW;
  67     }
  68     if (!retkey) return STATUS_INVALID_PARAMETER;
  69
  70     SERVER_START_VAR_REQ( create_key, len )
  71     {
  72         WCHAR *data = server_data_ptr(req);
  73
  74         req->parent  = attr->RootDirectory;
  75         req->access  = access;
  76         req->options = options;
  77         req->modif   = 0;
  78
  79         *data++ = attr->ObjectName->Length;
  80         memcpy( data, attr->ObjectName->Buffer, attr->ObjectName->Length );
  81         if (class) memcpy( (char *)data + attr->ObjectName->Length, class->Buffer, class->Length );
  82         if (!(ret = SERVER_CALL()))
  83         {
  84             *retkey = req->hkey;
  85             if (dispos) *dispos = req->created ? REG_CREATED_NEW_KEY : REG_OPENED_EXISTING_KEY;
  86         }
  87     }
  88     SERVER_END_VAR_REQ;
  89     TRACE("<- 0x%04x\n", *retkey);
  90     return ret;
  91 }
  92
  93
  94 /******************************************************************************
  95  * NtOpenKey [NTDLL.129]
  96  * ZwOpenKey
  97  *   OUT        PHANDLE                 retkey (returns 0 when failure)
  98  *   IN         ACCESS_MASK             access
  99  *   IN         POBJECT_ATTRIBUTES      attr
 100  */
 101 NTSTATUS WINAPI NtOpenKey( PHANDLE retkey, ACCESS_MASK access, const OBJECT_ATTRIBUTES *attr )
 102 {
 103     NTSTATUS ret;
 104     DWORD len = attr->ObjectName->Length;
 105
 106     TRACE( "(0x%x,%s,%lx,%p)\n", attr->RootDirectory,
 107            debugstr_us(attr->ObjectName), access, retkey );
 108
 109     if (len > MAX_NAME_LENGTH) return STATUS_BUFFER_OVERFLOW;
 110     if (!retkey) return STATUS_INVALID_PARAMETER;
 111
 112     SERVER_START_VAR_REQ( open_key, len )
 113     {
 114         req->parent = attr->RootDirectory;
 115         req->access = access;
 116         memcpy( server_data_ptr(req), attr->ObjectName->Buffer, len );
 117         ret = SERVER_CALL();
 118         *retkey = req->hkey;
 119     }
 120     SERVER_END_VAR_REQ;
 121     TRACE("<- 0x%04x\n", *retkey);
 122     return ret;
 123 }
 124
 125
 126 /******************************************************************************
 127  * NtDeleteKey [NTDLL]
 128  * ZwDeleteKey
 129  */
 130 NTSTATUS WINAPI NtDeleteKey( HANDLE hkey )
 131 {
 132     NTSTATUS ret;
 133
 134     TRACE( "(%x)\n", hkey );
 135
 136     SERVER_START_REQ( delete_key )
 137     {
 138         req->hkey = hkey;
 139         ret = SERVER_CALL();
 140     }
 141     SERVER_END_REQ;
 142     return ret;
 143 }
 144
 145
 146 /******************************************************************************
 147  * NtDeleteValueKey [NTDLL]
 148  * ZwDeleteValueKey
 149  */
 150 NTSTATUS WINAPI NtDeleteValueKey( HANDLE hkey, const UNICODE_STRING *name )
 151 {
 152     NTSTATUS ret;
 153
 154     TRACE( "(0x%x,%s)\n", hkey, debugstr_us(name) );
 155     if (name->Length > MAX_NAME_LENGTH) return STATUS_BUFFER_OVERFLOW;
 156
 157     SERVER_START_VAR_REQ( delete_key_value, name->Length )
 158     {
 159         req->hkey = hkey;
 160         memcpy( server_data_ptr(req), name->Buffer, name->Length );
 161         ret = SERVER_CALL();
 162     }
 163     SERVER_END_VAR_REQ;
 164     return ret;
 165 }
 166
 167
 168 /******************************************************************************
 169  *     fill_key_info
 170  *
 171  * Helper function for NtQueryKey and NtEnumerateKey
 172  */
 173 static NTSTATUS fill_key_info( KEY_INFORMATION_CLASS info_class, void *info, DWORD length,
 174                                DWORD *result_len, const struct enum_key_request *req )
 175 {
 176     WCHAR *name_ptr = server_data_ptr(req);
 177     int name_size = *name_ptr++;
 178     WCHAR *class_ptr = (WCHAR *)((char *)name_ptr + name_size);
 179     int class_size = server_data_size(req) - sizeof(WCHAR) - name_size;
 180     int fixed_size;
 181     FILETIME modif;
 182
 183     RtlSecondsSince1970ToTime( req->modif, &modif );
 184
 185     switch(info_class)
 186     {
 187     case KeyBasicInformation:
 188         {
 189             KEY_BASIC_INFORMATION keyinfo;
 190             fixed_size = sizeof(keyinfo) - sizeof(keyinfo.Name);
 191             keyinfo.LastWriteTime = modif;
 192             keyinfo.TitleIndex = 0;
 193             keyinfo.NameLength = name_size;
 194             memcpy( info, &keyinfo, min( length, fixed_size ) );
 195             class_size = 0;
 196         }
 197         break;
 198     case KeyFullInformation:
 199         {
 200             KEY_FULL_INFORMATION keyinfo;
 201             fixed_size = sizeof(keyinfo) - sizeof(keyinfo.Class);
 202             keyinfo.LastWriteTime = modif;
 203             keyinfo.TitleIndex = 0;
 204             keyinfo.ClassLength = class_size;
 205             keyinfo.ClassOffset = keyinfo.ClassLength ? fixed_size : -1;
 206             keyinfo.SubKeys = req->subkeys;
 207             keyinfo.MaxNameLen = req->max_subkey;
 208             keyinfo.MaxClassLen = req->max_class;
 209             keyinfo.Values = req->values;
 210             keyinfo.MaxValueNameLen = req->max_value;
 211             keyinfo.MaxValueDataLen = req->max_data;
 212             memcpy( info, &keyinfo, min( length, fixed_size ) );
 213             name_size = 0;
 214         }
 215         break;
 216     case KeyNodeInformation:
 217         {
 218             KEY_NODE_INFORMATION keyinfo;
 219             fixed_size = sizeof(keyinfo) - sizeof(keyinfo.Name);
 220             keyinfo.LastWriteTime = modif;
 221             keyinfo.TitleIndex = 0;
 222             keyinfo.ClassLength = class_size;
 223             keyinfo.ClassOffset = fixed_size + name_size;
 224             if (!keyinfo.ClassLength || keyinfo.ClassOffset > length) keyinfo.ClassOffset = -1;
 225             keyinfo.NameLength = name_size;
 226             memcpy( info, &keyinfo, min( length, fixed_size ) );
 227         }
 228         break;
 229     default:
 230         FIXME("Information class not implemented\n");
 231         return STATUS_INVALID_PARAMETER;
 232     }
 233
 234     *result_len = fixed_size + name_size + class_size;
 235     if (length <= fixed_size) return STATUS_BUFFER_OVERFLOW;
 236     length -= fixed_size;
 237
 238     /* copy the name */
 239     if (name_size)
 240     {
 241         memcpy( (char *)info + fixed_size, name_ptr, min(length,name_size) );
 242         if (length < name_size) return STATUS_BUFFER_OVERFLOW;
 243         length -= name_size;
 244     }
 245
 246     /* copy the class */
 247     if (class_size)
 248     {
 249         memcpy( (char *)info + fixed_size + name_size, class_ptr, min(length,class_size) );
 250         if (length < class_size) return STATUS_BUFFER_OVERFLOW;
 251     }
 252     return STATUS_SUCCESS;
 253 }
 254
 255
 256
 257 /******************************************************************************
 258  * NtEnumerateKey [NTDLL]
 259  * ZwEnumerateKey
 260  *
 261  * NOTES
 262  *  the name copied into the buffer is NOT 0-terminated
 263  */
 264 NTSTATUS WINAPI NtEnumerateKey( HANDLE handle, ULONG index, KEY_INFORMATION_CLASS info_class,
 265                                 void *info, DWORD length, DWORD *result_len )
 266 {
 267     NTSTATUS ret;
 268
 269     /* -1 means query key, so avoid it here */
 270     if (index == (ULONG)-1) return STATUS_NO_MORE_ENTRIES;
 271
 272     SERVER_START_VAR_REQ( enum_key, REQUEST_MAX_VAR_SIZE )
 273     {
 274         req->hkey  = handle;
 275         req->index = index;
 276         req->full  = (info_class == KeyFullInformation);
 277         if (!(ret = SERVER_CALL()))
 278         {
 279             ret = fill_key_info( info_class, info, length, result_len, req );
 280         }
 281     }
 282     SERVER_END_VAR_REQ;
 283     return ret;
 284 }
 285
 286
 287 /******************************************************************************
 288  * NtQueryKey [NTDLL]
 289  * ZwQueryKey
 290  */
 291 NTSTATUS WINAPI NtQueryKey( HANDLE handle, KEY_INFORMATION_CLASS info_class,
 292                             void *info, DWORD length, DWORD *result_len )
 293 {
 294     NTSTATUS ret;
 295
 296     SERVER_START_VAR_REQ( enum_key, REQUEST_MAX_VAR_SIZE )
 297     {
 298         req->hkey  = handle;
 299         req->index = -1;
 300         req->full  = (info_class == KeyFullInformation);
 301         if (!(ret = SERVER_CALL()))
 302         {
 303             ret = fill_key_info( info_class, info, length, result_len, req );
 304         }
 305     }
 306     SERVER_END_VAR_REQ;
 307     return ret;
 308 }
 309
 310
 311 /* fill the key value info structure for a specific info class */
 312 static void copy_key_value_info( KEY_VALUE_INFORMATION_CLASS info_class, void *info,
 313                                  DWORD length, int type, int name_len, int data_len )
 314 {
 315     switch(info_class)
 316     {
 317     case KeyValueBasicInformation:
 318         {
 319             KEY_VALUE_BASIC_INFORMATION keyinfo;
 320             keyinfo.TitleIndex = 0;
 321             keyinfo.Type       = type;
 322             keyinfo.NameLength = name_len;
 323             length = min( length, sizeof(keyinfo) - sizeof(keyinfo.Name) );
 324             memcpy( info, &keyinfo, length );
 325             break;
 326         }
 327     case KeyValueFullInformation:
 328         {
 329             KEY_VALUE_FULL_INFORMATION keyinfo;
 330             keyinfo.TitleIndex = 0;
 331             keyinfo.Type       = type;
 332             keyinfo.DataOffset = sizeof(keyinfo) - sizeof(keyinfo.Name) + name_len;
 333             keyinfo.DataLength = data_len;
 334             keyinfo.NameLength = name_len;
 335             length = min( length, sizeof(keyinfo) - sizeof(keyinfo.Name) );
 336             memcpy( info, &keyinfo, length );
 337             break;
 338         }
 339     case KeyValuePartialInformation:
 340         {
 341             KEY_VALUE_PARTIAL_INFORMATION keyinfo;
 342             keyinfo.TitleIndex = 0;
 343             keyinfo.Type       = type;
 344             keyinfo.DataLength = data_len;
 345             length = min( length, sizeof(keyinfo) - sizeof(keyinfo.Data) );
 346             memcpy( info, &keyinfo, length );
 347             break;
 348         }
 349     default:
 350         break;
 351     }
 352 }
 353
 354
 355 /******************************************************************************
 356  *  NtEnumerateValueKey [NTDLL]
 357  *  ZwEnumerateValueKey
 358  */
 359 NTSTATUS WINAPI NtEnumerateValueKey( HANDLE handle, ULONG index,
 360                                      KEY_VALUE_INFORMATION_CLASS info_class,
 361                                      void *info, DWORD length, DWORD *result_len )
 362 {
 363     NTSTATUS ret;
 364     char *data_ptr, *name_ptr;
 365     int fixed_size = 0, name_len = 0, data_len = 0, offset = 0, type = 0, total_len = 0;
 366
 367     TRACE( "(0x%x,%lu,%d,%p,%ld)\n", handle, index, info_class, info, length );
 368
 369     /* compute the length we want to retrieve */
 370     switch(info_class)
 371     {
 372     case KeyValueBasicInformation:
 373         fixed_size = sizeof(KEY_VALUE_BASIC_INFORMATION) - sizeof(WCHAR);
 374         name_ptr = (char *)info + fixed_size;
 375         data_ptr = NULL;
 376         break;
 377     case KeyValueFullInformation:
 378         fixed_size = sizeof(KEY_VALUE_FULL_INFORMATION) - sizeof(WCHAR);
 379         name_ptr = data_ptr = (char *)info + fixed_size;
 380         break;
 381     case KeyValuePartialInformation:
 382         fixed_size = sizeof(KEY_VALUE_PARTIAL_INFORMATION) - sizeof(UCHAR);
 383         name_ptr = NULL;
 384         data_ptr = (char *)info + fixed_size;
 385         break;
 386     default:
 387         FIXME( "Information class %d not implemented\n", info_class );
 388         return STATUS_INVALID_PARAMETER;
 389     }
 390     if (length > fixed_size) data_len = length - fixed_size;
 391
 392     do
 393     {
 394         size_t reqlen = data_len + sizeof(WCHAR);
 395         if (name_ptr && !offset) reqlen += MAX_PATH*sizeof(WCHAR);
 396         reqlen = min( reqlen, REQUEST_MAX_VAR_SIZE );
 397
 398         SERVER_START_VAR_REQ( enum_key_value, reqlen )
 399         {
 400             req->hkey = handle;
 401             req->index = index;
 402             req->offset = offset;
 403
 404             if (!(ret = SERVER_CALL()))
 405             {
 406                 size_t size = server_data_size(req) - sizeof(WCHAR);
 407                 WCHAR *name = server_data_ptr(req);
 408                 if (!offset)  /* name is only present on the first request */
 409                 {
 410                     name_len = *name++;
 411                     size -= name_len;
 412                     if (name_ptr)
 413                     {
 414                         if (name_len > data_len)  /* overflow */
 415                         {
 416                             memcpy( name_ptr, name, data_len );
 417                             data_len = 0;
 418                             ret = STATUS_BUFFER_OVERFLOW;
 419                         }
 420                         else
 421                         {
 422                             memcpy( name_ptr, name, name_len );
 423                             data_len -= name_len;
 424                             if (data_ptr) data_ptr += name_len;
 425                         }
 426                     }
 427                     name += name_len / sizeof(WCHAR);
 428                 }
 429                 else name++;  /* skip 0 length */
 430
 431                 if (data_ptr)
 432                 {
 433                     size = min( size, data_len );
 434                     memcpy( data_ptr + offset, name, size );
 435                     offset += size;
 436                     data_len -= size;
 437                 }
 438                 type = req->type;
 439                 total_len = req->len;
 440             }
 441         }
 442         SERVER_END_VAR_REQ;
 443         if (ret) return ret;
 444     } while (data_len && data_ptr && offset < total_len);
 445
 446     *result_len = total_len + fixed_size + (name_ptr ? name_len : 0);
 447
 448     if (data_ptr && offset < total_len) ret = STATUS_BUFFER_OVERFLOW;
 449     if (length < fixed_size) ret = STATUS_BUFFER_OVERFLOW;
 450
 451     copy_key_value_info( info_class, info, length, type, name_len, total_len );
 452     return ret;
 453
 454 }
 455
 456
 457 /******************************************************************************
 458  * NtQueryValueKey [NTDLL]
 459  * ZwQueryValueKey
 460  *
 461  * NOTES
 462  *  the name in the KeyValueInformation is never set
 463  */
 464 NTSTATUS WINAPI NtQueryValueKey( HANDLE handle, const UNICODE_STRING *name,
 465                                  KEY_VALUE_INFORMATION_CLASS info_class,
 466                                  void *info, DWORD length, DWORD *result_len )
 467 {
 468     NTSTATUS ret;
 469     char *data_ptr;
 470     int fixed_size = 0, data_len = 0, offset = 0, type = 0, total_len = 0;
 471
 472     TRACE( "(0x%x,%s,%d,%p,%ld)\n", handle, debugstr_us(name), info_class, info, length );
 473
 474     if (name->Length > MAX_NAME_LENGTH) return STATUS_BUFFER_OVERFLOW;
 475
 476     /* compute the length we want to retrieve */
 477     switch(info_class)
 478     {
 479     case KeyValueBasicInformation:
 480         fixed_size = sizeof(KEY_VALUE_BASIC_INFORMATION) - sizeof(WCHAR);
 481         data_ptr = NULL;
 482         break;
 483     case KeyValueFullInformation:
 484         fixed_size = sizeof(KEY_VALUE_FULL_INFORMATION) - sizeof(WCHAR);
 485         data_ptr = (char *)info + fixed_size;
 486         break;
 487     case KeyValuePartialInformation:
 488         fixed_size = sizeof(KEY_VALUE_PARTIAL_INFORMATION) - sizeof(UCHAR);
 489         data_ptr = (char *)info + fixed_size;
 490         break;
 491     default:
 492         FIXME( "Information class %d not implemented\n", info_class );
 493         return STATUS_INVALID_PARAMETER;
 494     }
 495     if (data_ptr && length > fixed_size) data_len = length - fixed_size;
 496
 497     do
 498     {
 499         size_t reqlen = min( data_len, REQUEST_MAX_VAR_SIZE );
 500         reqlen = max( reqlen, name->Length + sizeof(WCHAR) );
 501
 502         SERVER_START_VAR_REQ( get_key_value, reqlen )
 503         {
 504             WCHAR *nameptr = server_data_ptr(req);
 505
 506             req->hkey = handle;
 507             req->offset = offset;
 508             *nameptr++ = name->Length;
 509             memcpy( nameptr, name->Buffer, name->Length );
 510
 511             if (!(ret = SERVER_CALL()))
 512             {
 513                 size_t size = min( server_data_size(req), data_len );
 514                 type = req->type;
 515                 total_len = req->len;
 516                 if (size)
 517                 {
 518                     memcpy( data_ptr + offset, server_data_ptr(req), size );
 519                     offset += size;
 520                     data_len -= size;
 521                 }
 522             }
 523         }
 524         SERVER_END_VAR_REQ;
 525         if (ret) return ret;
 526     } while (data_len && offset < total_len);
 527
 528     *result_len = total_len + fixed_size;
 529
 530     if (offset < total_len) ret = STATUS_BUFFER_OVERFLOW;
 531     if (length < fixed_size) ret = STATUS_BUFFER_OVERFLOW;
 532
 533     copy_key_value_info( info_class, info, length, type, 0, total_len );
 534     return ret;
 535 }
 536
 537
 538 /******************************************************************************
 539  *  NtFlushKey  [NTDLL]
 540  *  ZwFlushKey
 541  */
 542 NTSTATUS WINAPI NtFlushKey(HANDLE KeyHandle)
 543 {
 544         FIXME("(0x%08x) stub!\n",
 545         KeyHandle);
 546         return 1;
 547 }
 548
 549 /******************************************************************************
 550  *  NtLoadKey   [NTDLL]
 551  *  ZwLoadKey
 552  */
 553 NTSTATUS WINAPI NtLoadKey( const OBJECT_ATTRIBUTES *attr, const OBJECT_ATTRIBUTES *file )
 554 {
 555     FIXME("stub!\n");
 556     dump_ObjectAttributes(attr);
 557     dump_ObjectAttributes(file);
 558     return STATUS_SUCCESS;
 559 }
 560
 561 /******************************************************************************
 562  *  NtNotifyChangeKey   [NTDLL]
 563  *  ZwNotifyChangeKey
 564  */
 565 NTSTATUS WINAPI NtNotifyChangeKey(
 566         IN HANDLE KeyHandle,
 567         IN HANDLE Event,
 568         IN PIO_APC_ROUTINE ApcRoutine OPTIONAL,
 569         IN PVOID ApcContext OPTIONAL,
 570         OUT PIO_STATUS_BLOCK IoStatusBlock,
 571         IN ULONG CompletionFilter,
 572         IN BOOLEAN Asynchroneous,
 573         OUT PVOID ChangeBuffer,
 574         IN ULONG Length,
 575         IN BOOLEAN WatchSubtree)
 576 {
 577         FIXME("(0x%08x,0x%08x,%p,%p,%p,0x%08lx, 0x%08x,%p,0x%08lx,0x%08x) stub!\n",
 578         KeyHandle, Event, ApcRoutine, ApcContext, IoStatusBlock, CompletionFilter,
 579         Asynchroneous, ChangeBuffer, Length, WatchSubtree);
 580         return STATUS_SUCCESS;
 581 }
 582
 583 /******************************************************************************
 584  * NtQueryMultipleValueKey [NTDLL]
 585  * ZwQueryMultipleValueKey
 586  */
 587
 588 NTSTATUS WINAPI NtQueryMultipleValueKey(
 589         HANDLE KeyHandle,
 590         PVALENTW ListOfValuesToQuery,
 591         ULONG NumberOfItems,
 592         PVOID MultipleValueInformation,
 593         ULONG Length,
 594         PULONG  ReturnLength)
 595 {
 596         FIXME("(0x%08x,%p,0x%08lx,%p,0x%08lx,%p) stub!\n",
 597         KeyHandle, ListOfValuesToQuery, NumberOfItems, MultipleValueInformation,
 598         Length,ReturnLength);
 599         return STATUS_SUCCESS;
 600 }
 601
 602 /******************************************************************************
 603  * NtReplaceKey [NTDLL]
 604  * ZwReplaceKey
 605  */
 606 NTSTATUS WINAPI NtReplaceKey(
 607         IN POBJECT_ATTRIBUTES ObjectAttributes,
 608         IN HANDLE Key,
 609         IN POBJECT_ATTRIBUTES ReplacedObjectAttributes)
 610 {
 611         FIXME("(0x%08x),stub!\n", Key);
 612         dump_ObjectAttributes(ObjectAttributes);
 613         dump_ObjectAttributes(ReplacedObjectAttributes);
 614         return STATUS_SUCCESS;
 615 }
 616 /******************************************************************************
 617  * NtRestoreKey [NTDLL]
 618  * ZwRestoreKey
 619  */
 620 NTSTATUS WINAPI NtRestoreKey(
 621         HANDLE KeyHandle,
 622         HANDLE FileHandle,
 623         ULONG RestoreFlags)
 624 {
 625         FIXME("(0x%08x,0x%08x,0x%08lx) stub\n",
 626         KeyHandle, FileHandle, RestoreFlags);
 627         return STATUS_SUCCESS;
 628 }
 629 /******************************************************************************
 630  * NtSaveKey [NTDLL]
 631  * ZwSaveKey
 632  */
 633 NTSTATUS WINAPI NtSaveKey(
 634         IN HANDLE KeyHandle,
 635         IN HANDLE FileHandle)
 636 {
 637         FIXME("(0x%08x,0x%08x) stub\n",
 638         KeyHandle, FileHandle);
 639         return STATUS_SUCCESS;
 640 }
 641 /******************************************************************************
 642  * NtSetInformationKey [NTDLL]
 643  * ZwSetInformationKey
 644  */
 645 NTSTATUS WINAPI NtSetInformationKey(
 646         IN HANDLE KeyHandle,
 647         IN const int KeyInformationClass,
 648         IN PVOID KeyInformation,
 649         IN ULONG KeyInformationLength)
 650 {
 651         FIXME("(0x%08x,0x%08x,%p,0x%08lx) stub\n",
 652         KeyHandle, KeyInformationClass, KeyInformation, KeyInformationLength);
 653         return STATUS_SUCCESS;
 654 }
 655
 656
 657 /******************************************************************************
 658  * NtSetValueKey [NTDLL]
 659  * ZwSetValueKey
 660  *
 661  * NOTES
 662  *   win95 does not care about count for REG_SZ and finds out the len by itself (js)
 663  *   NT does definitely care (aj)
 664  */
 665 NTSTATUS WINAPI NtSetValueKey( HANDLE hkey, const UNICODE_STRING *name, ULONG TitleIndex,
 666                                ULONG type, const void *data, ULONG count )
 667 {
 668     NTSTATUS ret;
 669     ULONG namelen, pos;
 670
 671     TRACE( "(0x%x,%s,%ld,%p,%ld)\n", hkey, debugstr_us(name), type, data, count );
 672
 673     if (name->Length > MAX_NAME_LENGTH) return STATUS_BUFFER_OVERFLOW;
 674
 675     namelen = name->Length + sizeof(WCHAR);  /* for storing length */
 676     pos = 0;
 677
 678     do
 679     {
 680         ULONG len = count - pos;
 681         if (len > REQUEST_MAX_VAR_SIZE - namelen) len = REQUEST_MAX_VAR_SIZE - namelen;
 682
 683         SERVER_START_VAR_REQ( set_key_value, namelen + len )
 684         {
 685             WCHAR *name_ptr = server_data_ptr(req);
 686
 687             req->hkey   = hkey;
 688             req->type   = type;
 689             req->total  = count;
 690             req->offset = pos;
 691             *name_ptr++ = name->Length;
 692             memcpy( name_ptr, name->Buffer, name->Length );
 693             memcpy( (char *)name_ptr + name->Length, (char *)data + pos, len );
 694             pos += len;
 695             ret = SERVER_CALL();
 696         }
 697         SERVER_END_VAR_REQ;
 698     } while (!ret && pos < count);
 699     return ret;
 700 }
 701
 702 /******************************************************************************
 703  * NtUnloadKey [NTDLL]
 704  * ZwUnloadKey
 705  */
 706 NTSTATUS WINAPI NtUnloadKey(
 707         IN HANDLE KeyHandle)
 708 {
 709         FIXME("(0x%08x) stub\n",
 710         KeyHandle);
 711         return STATUS_SUCCESS;
 712 }
 713
 714 /******************************************************************************
 715  *  RtlFormatCurrentUserKeyPath         [NTDLL.371]
 716  */
 717 NTSTATUS WINAPI RtlFormatCurrentUserKeyPath(
 718         IN OUT PUNICODE_STRING KeyPath)
 719 {
 720 /*      LPSTR Path = "\\REGISTRY\\USER\\S-1-5-21-0000000000-000000000-0000000000-500";*/
 721         LPSTR Path = "\\REGISTRY\\USER\\.DEFAULT";
 722         ANSI_STRING AnsiPath;
 723
 724         FIXME("(%p) stub\n",KeyPath);
 725         RtlInitAnsiString(&AnsiPath, Path);
 726         return RtlAnsiStringToUnicodeString(KeyPath, &AnsiPath, TRUE);
 727 }
 728
 729 /******************************************************************************
 730  *  RtlOpenCurrentUser          [NTDLL]
 731  *
 732  * if we return just HKEY_CURRENT_USER the advapi try's to find a remote
 733  * registry (odd handle) and fails
 734  *
 735  */
 736 DWORD WINAPI RtlOpenCurrentUser(
 737         IN ACCESS_MASK DesiredAccess, /* [in] */
 738         OUT PHANDLE KeyHandle)        /* [out] handle of HKEY_CURRENT_USER */
 739 {
 740         OBJECT_ATTRIBUTES ObjectAttributes;
 741         UNICODE_STRING ObjectName;
 742         NTSTATUS ret;
 743
 744         TRACE("(0x%08lx, %p) stub\n",DesiredAccess, KeyHandle);
 745
 746         RtlFormatCurrentUserKeyPath(&ObjectName);
 747         InitializeObjectAttributes(&ObjectAttributes,&ObjectName,OBJ_CASE_INSENSITIVE,0, NULL);
 748         ret = NtOpenKey(KeyHandle, DesiredAccess, &ObjectAttributes);
 749         RtlFreeUnicodeString(&ObjectName);
 750         return ret;
 751 }