dlls/ntdll/reg.c

   1 /*
   2  * Registry functions
   3  *
   4  * Copyright (C) 1999 Juergen Schmied
   5  * Copyright (C) 2000 Alexandre Julliard
   6  * Copyright 2005 Ivan Leo Puoti, Laurent Pinchart
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  21  *
  22  * NOTES:
  23  *      HKEY_LOCAL_MACHINE      \\REGISTRY\\MACHINE
  24  *      HKEY_USERS              \\REGISTRY\\USER
  25  *      HKEY_CURRENT_CONFIG     \\REGISTRY\\MACHINE\\SYSTEM\\CURRENTCONTROLSET\\HARDWARE PROFILES\\CURRENT
  26   *     HKEY_CLASSES            \\REGISTRY\\MACHINE\\SOFTWARE\\CLASSES
  27  */
  28
  29 #include "config.h"
  30 #include "wine/port.h"
  31
  32 #include <stdarg.h>
  33 #include <stdio.h>
  34 #include <string.h>
  35
  36 #include "ntstatus.h"
  37 #define WIN32_NO_STATUS
  38 #include "wine/library.h"
  39 #include "ntdll_misc.h"
  40 #include "wine/debug.h"
  41 #include "wine/unicode.h"
  42
  43 WINE_DEFAULT_DEBUG_CHANNEL(reg);
  44
  45 /* maximum length of a key/value name in bytes (without terminating null) */
  46 #define MAX_NAME_LENGTH ((MAX_PATH-1) * sizeof(WCHAR))
  47
  48 /******************************************************************************
  49  * NtCreateKey [NTDLL.@]
  50  * ZwCreateKey [NTDLL.@]
  51  */
  52 NTSTATUS WINAPI NtCreateKey( PHANDLE retkey, ACCESS_MASK access, const OBJECT_ATTRIBUTES *attr,
  53                              ULONG TitleIndex, const UNICODE_STRING *class, ULONG options,
  54                              PULONG dispos )
  55 {
  56     NTSTATUS ret;
  57
  58     if (!retkey || !attr) return STATUS_ACCESS_VIOLATION;
  59     if (attr->Length > sizeof(OBJECT_ATTRIBUTES)) return STATUS_INVALID_PARAMETER;
  60     if (attr->ObjectName->Length > MAX_NAME_LENGTH) return STATUS_BUFFER_OVERFLOW;
  61
  62     TRACE( "(%p,%s,%s,%x,%x,%p)\n", attr->RootDirectory, debugstr_us(attr->ObjectName),
  63            debugstr_us(class), options, access, retkey );
  64
  65     SERVER_START_REQ( create_key )
  66     {
  67         req->parent     = wine_server_obj_handle( attr->RootDirectory );
  68         req->access     = access;
  69         req->attributes = attr->Attributes;
  70         req->options    = options;
  71         req->namelen    = attr->ObjectName->Length;
  72         wine_server_add_data( req, attr->ObjectName->Buffer, attr->ObjectName->Length );
  73         if (class) wine_server_add_data( req, class->Buffer, class->Length );
  74         if (!(ret = wine_server_call( req )))
  75         {
  76             *retkey = wine_server_ptr_handle( reply->hkey );
  77             if (dispos) *dispos = reply->created ? REG_CREATED_NEW_KEY : REG_OPENED_EXISTING_KEY;
  78         }
  79     }
  80     SERVER_END_REQ;
  81     TRACE("<- %p\n", *retkey);
  82     return ret;
  83 }
  84
  85 /******************************************************************************
  86  *  RtlpNtCreateKey [NTDLL.@]
  87  *
  88  *  See NtCreateKey.
  89  */
  90 NTSTATUS WINAPI RtlpNtCreateKey( PHANDLE retkey, ACCESS_MASK access, const OBJECT_ATTRIBUTES *attr,
  91                                  ULONG TitleIndex, const UNICODE_STRING *class, ULONG options,
  92                                  PULONG dispos )
  93 {
  94     OBJECT_ATTRIBUTES oa;
  95
  96     if (attr)
  97     {
  98         oa = *attr;
  99         oa.Attributes &= ~(OBJ_PERMANENT|OBJ_EXCLUSIVE);
 100         attr = &oa;
 101     }
 102
 103     return NtCreateKey(retkey, access, attr, 0, NULL, 0, dispos);
 104 }
 105
 106 /******************************************************************************
 107  * NtOpenKey [NTDLL.@]
 108  * ZwOpenKey [NTDLL.@]
 109  *
 110  *   OUT        HANDLE                  retkey (returns 0 when failure)
 111  *   IN         ACCESS_MASK             access
 112  *   IN         POBJECT_ATTRIBUTES      attr
 113  */
 114 NTSTATUS WINAPI NtOpenKey( PHANDLE retkey, ACCESS_MASK access, const OBJECT_ATTRIBUTES *attr )
 115 {
 116     NTSTATUS ret;
 117     DWORD len = attr->ObjectName->Length;
 118
 119     TRACE( "(%p,%s,%x,%p)\n", attr->RootDirectory,
 120            debugstr_us(attr->ObjectName), access, retkey );
 121
 122     if (len > MAX_NAME_LENGTH) return STATUS_BUFFER_OVERFLOW;
 123     if (!retkey) return STATUS_INVALID_PARAMETER;
 124
 125     SERVER_START_REQ( open_key )
 126     {
 127         req->parent     = wine_server_obj_handle( attr->RootDirectory );
 128         req->access     = access;
 129         req->attributes = attr->Attributes;
 130         wine_server_add_data( req, attr->ObjectName->Buffer, len );
 131         ret = wine_server_call( req );
 132         *retkey = wine_server_ptr_handle( reply->hkey );
 133     }
 134     SERVER_END_REQ;
 135     TRACE("<- %p\n", *retkey);
 136     return ret;
 137 }
 138
 139 /******************************************************************************
 140  * RtlpNtOpenKey [NTDLL.@]
 141  *
 142  * See NtOpenKey.
 143  */
 144 NTSTATUS WINAPI RtlpNtOpenKey( PHANDLE retkey, ACCESS_MASK access, OBJECT_ATTRIBUTES *attr )
 145 {
 146     if (attr)
 147         attr->Attributes &= ~(OBJ_PERMANENT|OBJ_EXCLUSIVE);
 148     return NtOpenKey(retkey, access, attr);
 149 }
 150
 151 /******************************************************************************
 152  * NtDeleteKey [NTDLL.@]
 153  * ZwDeleteKey [NTDLL.@]
 154  */
 155 NTSTATUS WINAPI NtDeleteKey( HANDLE hkey )
 156 {
 157     NTSTATUS ret;
 158
 159     TRACE( "(%p)\n", hkey );
 160
 161     SERVER_START_REQ( delete_key )
 162     {
 163         req->hkey = wine_server_obj_handle( hkey );
 164         ret = wine_server_call( req );
 165     }
 166     SERVER_END_REQ;
 167     return ret;
 168 }
 169
 170 /******************************************************************************
 171  * RtlpNtMakeTemporaryKey [NTDLL.@]
 172  *
 173  *  See NtDeleteKey.
 174  */
 175 NTSTATUS WINAPI RtlpNtMakeTemporaryKey( HANDLE hkey )
 176 {
 177     return NtDeleteKey(hkey);
 178 }
 179
 180 /******************************************************************************
 181  * NtDeleteValueKey [NTDLL.@]
 182  * ZwDeleteValueKey [NTDLL.@]
 183  */
 184 NTSTATUS WINAPI NtDeleteValueKey( HANDLE hkey, const UNICODE_STRING *name )
 185 {
 186     NTSTATUS ret;
 187
 188     TRACE( "(%p,%s)\n", hkey, debugstr_us(name) );
 189     if (name->Length > MAX_NAME_LENGTH) return STATUS_BUFFER_OVERFLOW;
 190
 191     SERVER_START_REQ( delete_key_value )
 192     {
 193         req->hkey = wine_server_obj_handle( hkey );
 194         wine_server_add_data( req, name->Buffer, name->Length );
 195         ret = wine_server_call( req );
 196     }
 197     SERVER_END_REQ;
 198     return ret;
 199 }
 200
 201
 202 /******************************************************************************
 203  *     enumerate_key
 204  *
 205  * Implementation of NtQueryKey and NtEnumerateKey
 206  */
 207 static NTSTATUS enumerate_key( HANDLE handle, int index, KEY_INFORMATION_CLASS info_class,
 208                                void *info, DWORD length, DWORD *result_len )
 209
 210 {
 211     NTSTATUS ret;
 212     void *data_ptr;
 213     size_t fixed_size;
 214
 215     switch(info_class)
 216     {
 217     case KeyBasicInformation: data_ptr = ((KEY_BASIC_INFORMATION *)info)->Name; break;
 218     case KeyFullInformation:  data_ptr = ((KEY_FULL_INFORMATION *)info)->Class; break;
 219     case KeyNodeInformation:  data_ptr = ((KEY_NODE_INFORMATION *)info)->Name;  break;
 220     default:
 221         FIXME( "Information class %d not implemented\n", info_class );
 222         return STATUS_INVALID_PARAMETER;
 223     }
 224     fixed_size = (char *)data_ptr - (char *)info;
 225
 226     SERVER_START_REQ( enum_key )
 227     {
 228         req->hkey       = wine_server_obj_handle( handle );
 229         req->index      = index;
 230         req->info_class = info_class;
 231         if (length > fixed_size) wine_server_set_reply( req, data_ptr, length - fixed_size );
 232         if (!(ret = wine_server_call( req )))
 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.QuadPart = reply->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.QuadPart = reply->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.QuadPart = reply->modif;
 268                     keyinfo.TitleIndex = 0;
 269                     if (reply->namelen < wine_server_reply_size(reply))
 270                     {
 271                         keyinfo.ClassLength = wine_server_reply_size(reply) - reply->namelen;
 272                         keyinfo.ClassOffset = fixed_size + reply->namelen;
 273                     }
 274                     else
 275                     {
 276                         keyinfo.ClassLength = 0;
 277                         keyinfo.ClassOffset = -1;
 278                     }
 279                     keyinfo.NameLength = reply->namelen;
 280                     memcpy( info, &keyinfo, min( length, fixed_size ) );
 281                 }
 282                 break;
 283             }
 284             *result_len = fixed_size + reply->total;
 285             if (length < *result_len) ret = STATUS_BUFFER_OVERFLOW;
 286         }
 287     }
 288     SERVER_END_REQ;
 289     return ret;
 290 }
 291
 292
 293
 294 /******************************************************************************
 295  * NtEnumerateKey [NTDLL.@]
 296  * ZwEnumerateKey [NTDLL.@]
 297  *
 298  * NOTES
 299  *  the name copied into the buffer is NOT 0-terminated
 300  */
 301 NTSTATUS WINAPI NtEnumerateKey( HANDLE handle, ULONG index, KEY_INFORMATION_CLASS info_class,
 302                                 void *info, DWORD length, DWORD *result_len )
 303 {
 304     /* -1 means query key, so avoid it here */
 305     if (index == (ULONG)-1) return STATUS_NO_MORE_ENTRIES;
 306     return enumerate_key( handle, index, info_class, info, length, result_len );
 307 }
 308
 309
 310 /******************************************************************************
 311  * RtlpNtEnumerateSubKey [NTDLL.@]
 312  *
 313  */
 314 NTSTATUS WINAPI RtlpNtEnumerateSubKey( HANDLE handle, UNICODE_STRING *out, ULONG index )
 315 {
 316   KEY_BASIC_INFORMATION *info;
 317   DWORD dwLen, dwResultLen;
 318   NTSTATUS ret;
 319
 320   if (out->Length)
 321   {
 322     dwLen = out->Length + sizeof(KEY_BASIC_INFORMATION);
 323     info = RtlAllocateHeap( GetProcessHeap(), 0, dwLen );
 324     if (!info)
 325       return STATUS_NO_MEMORY;
 326   }
 327   else
 328   {
 329     dwLen = 0;
 330     info = NULL;
 331   }
 332
 333   ret = NtEnumerateKey( handle, index, KeyBasicInformation, info, dwLen, &dwResultLen );
 334   dwResultLen -= sizeof(KEY_BASIC_INFORMATION);
 335
 336   if (ret == STATUS_BUFFER_OVERFLOW)
 337     out->Length = dwResultLen;
 338   else if (!ret)
 339   {
 340     if (out->Length < info->NameLength)
 341     {
 342       out->Length = dwResultLen;
 343       ret = STATUS_BUFFER_OVERFLOW;
 344     }
 345     else
 346     {
 347       out->Length = info->NameLength;
 348       memcpy(out->Buffer, info->Name, info->NameLength);
 349     }
 350   }
 351
 352   RtlFreeHeap( GetProcessHeap(), 0, info );
 353   return ret;
 354 }
 355
 356 /******************************************************************************
 357  * NtQueryKey [NTDLL.@]
 358  * ZwQueryKey [NTDLL.@]
 359  */
 360 NTSTATUS WINAPI NtQueryKey( HANDLE handle, KEY_INFORMATION_CLASS info_class,
 361                             void *info, DWORD length, DWORD *result_len )
 362 {
 363     return enumerate_key( handle, -1, info_class, info, length, result_len );
 364 }
 365
 366
 367 /* fill the key value info structure for a specific info class */
 368 static void copy_key_value_info( KEY_VALUE_INFORMATION_CLASS info_class, void *info,
 369                                  DWORD length, int type, int name_len, int data_len )
 370 {
 371     switch(info_class)
 372     {
 373     case KeyValueBasicInformation:
 374         {
 375             KEY_VALUE_BASIC_INFORMATION keyinfo;
 376             keyinfo.TitleIndex = 0;
 377             keyinfo.Type       = type;
 378             keyinfo.NameLength = name_len;
 379             length = min( length, (char *)keyinfo.Name - (char *)&keyinfo );
 380             memcpy( info, &keyinfo, length );
 381             break;
 382         }
 383     case KeyValueFullInformation:
 384         {
 385             KEY_VALUE_FULL_INFORMATION keyinfo;
 386             keyinfo.TitleIndex = 0;
 387             keyinfo.Type       = type;
 388             keyinfo.DataOffset = (char *)keyinfo.Name - (char *)&keyinfo + name_len;
 389             keyinfo.DataLength = data_len;
 390             keyinfo.NameLength = name_len;
 391             length = min( length, (char *)keyinfo.Name - (char *)&keyinfo );
 392             memcpy( info, &keyinfo, length );
 393             break;
 394         }
 395     case KeyValuePartialInformation:
 396         {
 397             KEY_VALUE_PARTIAL_INFORMATION keyinfo;
 398             keyinfo.TitleIndex = 0;
 399             keyinfo.Type       = type;
 400             keyinfo.DataLength = data_len;
 401             length = min( length, (char *)keyinfo.Data - (char *)&keyinfo );
 402             memcpy( info, &keyinfo, length );
 403             break;
 404         }
 405     default:
 406         break;
 407     }
 408 }
 409
 410
 411 /******************************************************************************
 412  *  NtEnumerateValueKey [NTDLL.@]
 413  *  ZwEnumerateValueKey [NTDLL.@]
 414  */
 415 NTSTATUS WINAPI NtEnumerateValueKey( HANDLE handle, ULONG index,
 416                                      KEY_VALUE_INFORMATION_CLASS info_class,
 417                                      void *info, DWORD length, DWORD *result_len )
 418 {
 419     NTSTATUS ret;
 420     void *ptr;
 421     size_t fixed_size;
 422
 423     TRACE( "(%p,%u,%d,%p,%d)\n", handle, index, info_class, info, length );
 424
 425     /* compute the length we want to retrieve */
 426     switch(info_class)
 427     {
 428     case KeyValueBasicInformation:   ptr = ((KEY_VALUE_BASIC_INFORMATION *)info)->Name; break;
 429     case KeyValueFullInformation:    ptr = ((KEY_VALUE_FULL_INFORMATION *)info)->Name; break;
 430     case KeyValuePartialInformation: ptr = ((KEY_VALUE_PARTIAL_INFORMATION *)info)->Data; break;
 431     default:
 432         FIXME( "Information class %d not implemented\n", info_class );
 433         return STATUS_INVALID_PARAMETER;
 434     }
 435     fixed_size = (char *)ptr - (char *)info;
 436
 437     SERVER_START_REQ( enum_key_value )
 438     {
 439         req->hkey       = wine_server_obj_handle( handle );
 440         req->index      = index;
 441         req->info_class = info_class;
 442         if (length > fixed_size) wine_server_set_reply( req, ptr, length - fixed_size );
 443         if (!(ret = wine_server_call( req )))
 444         {
 445             copy_key_value_info( info_class, info, length, reply->type, reply->namelen,
 446                                  wine_server_reply_size(reply) - reply->namelen );
 447             *result_len = fixed_size + reply->total;
 448             if (length < *result_len) ret = STATUS_BUFFER_OVERFLOW;
 449         }
 450     }
 451     SERVER_END_REQ;
 452     return ret;
 453 }
 454
 455
 456 /******************************************************************************
 457  * NtQueryValueKey [NTDLL.@]
 458  * ZwQueryValueKey [NTDLL.@]
 459  *
 460  * NOTES
 461  *  the name in the KeyValueInformation is never set
 462  */
 463 NTSTATUS WINAPI NtQueryValueKey( HANDLE handle, const UNICODE_STRING *name,
 464                                  KEY_VALUE_INFORMATION_CLASS info_class,
 465                                  void *info, DWORD length, DWORD *result_len )
 466 {
 467     NTSTATUS ret;
 468     UCHAR *data_ptr;
 469     unsigned int fixed_size = 0;
 470
 471     TRACE( "(%p,%s,%d,%p,%d)\n", handle, debugstr_us(name), info_class, info, length );
 472
 473     if (name->Length > MAX_NAME_LENGTH) return STATUS_BUFFER_OVERFLOW;
 474
 475     /* compute the length we want to retrieve */
 476     switch(info_class)
 477     {
 478     case KeyValueBasicInformation:
 479     {
 480         KEY_VALUE_BASIC_INFORMATION *basic_info = info;
 481         if (FIELD_OFFSET(KEY_VALUE_BASIC_INFORMATION, Name) < length)
 482         {
 483             memcpy(basic_info->Name, name->Buffer,
 484                    min(length - FIELD_OFFSET(KEY_VALUE_BASIC_INFORMATION, Name), name->Length));
 485         }
 486         fixed_size = FIELD_OFFSET(KEY_VALUE_BASIC_INFORMATION, Name) + name->Length;
 487         data_ptr = NULL;
 488         break;
 489     }
 490     case KeyValueFullInformation:
 491     {
 492         KEY_VALUE_FULL_INFORMATION *full_info = info;
 493         if (FIELD_OFFSET(KEY_VALUE_FULL_INFORMATION, Name) < length)
 494         {
 495             memcpy(full_info->Name, name->Buffer,
 496                    min(length - FIELD_OFFSET(KEY_VALUE_FULL_INFORMATION, Name), name->Length));
 497         }
 498         data_ptr = (UCHAR *)full_info->Name + name->Length;
 499         fixed_size = (char *)data_ptr - (char *)info;
 500         break;
 501     }
 502     case KeyValuePartialInformation:
 503         data_ptr = ((KEY_VALUE_PARTIAL_INFORMATION *)info)->Data;
 504         fixed_size = (char *)data_ptr - (char *)info;
 505         break;
 506     default:
 507         FIXME( "Information class %d not implemented\n", info_class );
 508         return STATUS_INVALID_PARAMETER;
 509     }
 510
 511     SERVER_START_REQ( get_key_value )
 512     {
 513         req->hkey = wine_server_obj_handle( handle );
 514         wine_server_add_data( req, name->Buffer, name->Length );
 515         if (length > fixed_size && data_ptr) wine_server_set_reply( req, data_ptr, length - fixed_size );
 516         if (!(ret = wine_server_call( req )))
 517         {
 518             copy_key_value_info( info_class, info, length, reply->type,
 519                                  name->Length, reply->total );
 520             *result_len = fixed_size + (info_class == KeyValueBasicInformation ? 0 : reply->total);
 521             if (length < *result_len) ret = STATUS_BUFFER_OVERFLOW;
 522         }
 523     }
 524     SERVER_END_REQ;
 525     return ret;
 526 }
 527
 528 /******************************************************************************
 529  * RtlpNtQueryValueKey [NTDLL.@]
 530  *
 531  */
 532 NTSTATUS WINAPI RtlpNtQueryValueKey( HANDLE handle, ULONG *result_type, PBYTE dest,
 533                                      DWORD *result_len )
 534 {
 535     KEY_VALUE_PARTIAL_INFORMATION *info;
 536     UNICODE_STRING name;
 537     NTSTATUS ret;
 538     DWORD dwResultLen;
 539     DWORD dwLen = sizeof (KEY_VALUE_PARTIAL_INFORMATION) + (result_len ? *result_len : 0);
 540
 541     info = RtlAllocateHeap( GetProcessHeap(), 0, dwLen );
 542     if (!info)
 543       return STATUS_NO_MEMORY;
 544
 545     name.Length = 0;
 546     ret = NtQueryValueKey( handle, &name, KeyValuePartialInformation, info, dwLen, &dwResultLen );
 547
 548     if (!ret || ret == STATUS_BUFFER_OVERFLOW)
 549     {
 550         if (result_len)
 551             *result_len = info->DataLength;
 552
 553         if (result_type)
 554             *result_type = info->Type;
 555
 556         if (ret != STATUS_BUFFER_OVERFLOW)
 557             memcpy( dest, info->Data, info->DataLength );
 558     }
 559
 560     RtlFreeHeap( GetProcessHeap(), 0, info );
 561     return ret;
 562 }
 563
 564 /******************************************************************************
 565  *  NtFlushKey  [NTDLL.@]
 566  *  ZwFlushKey  [NTDLL.@]
 567  */
 568 NTSTATUS WINAPI NtFlushKey(HANDLE key)
 569 {
 570     NTSTATUS ret;
 571
 572     TRACE("key=%p\n", key);
 573
 574     SERVER_START_REQ( flush_key )
 575     {
 576         req->hkey = wine_server_obj_handle( key );
 577         ret = wine_server_call( req );
 578     }
 579     SERVER_END_REQ;
 580
 581     return ret;
 582 }
 583
 584 /******************************************************************************
 585  *  NtLoadKey   [NTDLL.@]
 586  *  ZwLoadKey   [NTDLL.@]
 587  */
 588 NTSTATUS WINAPI NtLoadKey( const OBJECT_ATTRIBUTES *attr, OBJECT_ATTRIBUTES *file )
 589 {
 590     NTSTATUS ret;
 591     HANDLE hive;
 592     IO_STATUS_BLOCK io;
 593
 594     TRACE("(%p,%p)\n", attr, file);
 595
 596     ret = NtCreateFile(&hive, GENERIC_READ, file, &io, NULL, FILE_ATTRIBUTE_NORMAL, 0,
 597                        FILE_OPEN, 0, NULL, 0);
 598     if (ret) return ret;
 599
 600     SERVER_START_REQ( load_registry )
 601     {
 602         req->hkey = wine_server_obj_handle( attr->RootDirectory );
 603         req->file = wine_server_obj_handle( hive );
 604         wine_server_add_data(req, attr->ObjectName->Buffer, attr->ObjectName->Length);
 605         ret = wine_server_call( req );
 606     }
 607     SERVER_END_REQ;
 608
 609     NtClose(hive);
 610
 611     return ret;
 612 }
 613
 614 /******************************************************************************
 615  *  NtNotifyChangeKey   [NTDLL.@]
 616  *  ZwNotifyChangeKey   [NTDLL.@]
 617  */
 618 NTSTATUS WINAPI NtNotifyChangeKey(
 619         IN HANDLE KeyHandle,
 620         IN HANDLE Event,
 621         IN PIO_APC_ROUTINE ApcRoutine OPTIONAL,
 622         IN PVOID ApcContext OPTIONAL,
 623         OUT PIO_STATUS_BLOCK IoStatusBlock,
 624         IN ULONG CompletionFilter,
 625         IN BOOLEAN Asynchronous,
 626         OUT PVOID ChangeBuffer,
 627         IN ULONG Length,
 628         IN BOOLEAN WatchSubtree)
 629 {
 630     NTSTATUS ret;
 631
 632     TRACE("(%p,%p,%p,%p,%p,0x%08x, 0x%08x,%p,0x%08x,0x%08x)\n",
 633         KeyHandle, Event, ApcRoutine, ApcContext, IoStatusBlock, CompletionFilter,
 634         Asynchronous, ChangeBuffer, Length, WatchSubtree);
 635
 636     if (ApcRoutine || ApcContext || ChangeBuffer || Length)
 637         FIXME("Unimplemented optional parameter\n");
 638
 639     if (!Asynchronous)
 640     {
 641         OBJECT_ATTRIBUTES attr;
 642         InitializeObjectAttributes( &attr, NULL, 0, NULL, NULL );
 643         ret = NtCreateEvent( &Event, EVENT_ALL_ACCESS, &attr, FALSE, FALSE );
 644         if (ret != STATUS_SUCCESS)
 645             return ret;
 646     }
 647
 648     SERVER_START_REQ( set_registry_notification )
 649     {
 650         req->hkey    = wine_server_obj_handle( KeyHandle );
 651         req->event   = wine_server_obj_handle( Event );
 652         req->subtree = WatchSubtree;
 653         req->filter  = CompletionFilter;
 654         ret = wine_server_call( req );
 655     }
 656     SERVER_END_REQ;
 657
 658     if (!Asynchronous)
 659     {
 660         if (ret == STATUS_SUCCESS)
 661             NtWaitForSingleObject( Event, FALSE, NULL );
 662         NtClose( Event );
 663     }
 664
 665     return STATUS_SUCCESS;
 666 }
 667
 668 /******************************************************************************
 669  * NtQueryMultipleValueKey [NTDLL]
 670  * ZwQueryMultipleValueKey
 671  */
 672
 673 NTSTATUS WINAPI NtQueryMultipleValueKey(
 674         HANDLE KeyHandle,
 675         PKEY_MULTIPLE_VALUE_INFORMATION ListOfValuesToQuery,
 676         ULONG NumberOfItems,
 677         PVOID MultipleValueInformation,
 678         ULONG Length,
 679         PULONG  ReturnLength)
 680 {
 681         FIXME("(%p,%p,0x%08x,%p,0x%08x,%p) stub!\n",
 682         KeyHandle, ListOfValuesToQuery, NumberOfItems, MultipleValueInformation,
 683         Length,ReturnLength);
 684         return STATUS_SUCCESS;
 685 }
 686
 687 /******************************************************************************
 688  * NtReplaceKey [NTDLL.@]
 689  * ZwReplaceKey [NTDLL.@]
 690  */
 691 NTSTATUS WINAPI NtReplaceKey(
 692         IN POBJECT_ATTRIBUTES ObjectAttributes,
 693         IN HANDLE Key,
 694         IN POBJECT_ATTRIBUTES ReplacedObjectAttributes)
 695 {
 696         FIXME("(%p),stub!\n", Key);
 697         dump_ObjectAttributes(ObjectAttributes);
 698         dump_ObjectAttributes(ReplacedObjectAttributes);
 699         return STATUS_SUCCESS;
 700 }
 701 /******************************************************************************
 702  * NtRestoreKey [NTDLL.@]
 703  * ZwRestoreKey [NTDLL.@]
 704  */
 705 NTSTATUS WINAPI NtRestoreKey(
 706         HANDLE KeyHandle,
 707         HANDLE FileHandle,
 708         ULONG RestoreFlags)
 709 {
 710         FIXME("(%p,%p,0x%08x) stub\n",
 711         KeyHandle, FileHandle, RestoreFlags);
 712         return STATUS_SUCCESS;
 713 }
 714 /******************************************************************************
 715  * NtSaveKey [NTDLL.@]
 716  * ZwSaveKey [NTDLL.@]
 717  */
 718 NTSTATUS WINAPI NtSaveKey(IN HANDLE KeyHandle, IN HANDLE FileHandle)
 719 {
 720     NTSTATUS ret;
 721
 722     TRACE("(%p,%p)\n", KeyHandle, FileHandle);
 723
 724     SERVER_START_REQ( save_registry )
 725     {
 726         req->hkey = wine_server_obj_handle( KeyHandle );
 727         req->file = wine_server_obj_handle( FileHandle );
 728         ret = wine_server_call( req );
 729     }
 730     SERVER_END_REQ;
 731
 732     return ret;
 733 }
 734 /******************************************************************************
 735  * NtSetInformationKey [NTDLL.@]
 736  * ZwSetInformationKey [NTDLL.@]
 737  */
 738 NTSTATUS WINAPI NtSetInformationKey(
 739         IN HANDLE KeyHandle,
 740         IN const int KeyInformationClass,
 741         IN PVOID KeyInformation,
 742         IN ULONG KeyInformationLength)
 743 {
 744         FIXME("(%p,0x%08x,%p,0x%08x) stub\n",
 745         KeyHandle, KeyInformationClass, KeyInformation, KeyInformationLength);
 746         return STATUS_SUCCESS;
 747 }
 748
 749
 750 /******************************************************************************
 751  * NtSetValueKey [NTDLL.@]
 752  * ZwSetValueKey [NTDLL.@]
 753  *
 754  * NOTES
 755  *   win95 does not care about count for REG_SZ and finds out the len by itself (js)
 756  *   NT does definitely care (aj)
 757  */
 758 NTSTATUS WINAPI NtSetValueKey( HANDLE hkey, const UNICODE_STRING *name, ULONG TitleIndex,
 759                                ULONG type, const void *data, ULONG count )
 760 {
 761     NTSTATUS ret;
 762
 763     TRACE( "(%p,%s,%d,%p,%d)\n", hkey, debugstr_us(name), type, data, count );
 764
 765     if (name->Length > MAX_NAME_LENGTH) return STATUS_BUFFER_OVERFLOW;
 766
 767     SERVER_START_REQ( set_key_value )
 768     {
 769         req->hkey    = wine_server_obj_handle( hkey );
 770         req->type    = type;
 771         req->namelen = name->Length;
 772         wine_server_add_data( req, name->Buffer, name->Length );
 773         wine_server_add_data( req, data, count );
 774         ret = wine_server_call( req );
 775     }
 776     SERVER_END_REQ;
 777     return ret;
 778 }
 779
 780 /******************************************************************************
 781  * RtlpNtSetValueKey [NTDLL.@]
 782  *
 783  */
 784 NTSTATUS WINAPI RtlpNtSetValueKey( HANDLE hkey, ULONG type, const void *data,
 785                                    ULONG count )
 786 {
 787     UNICODE_STRING name;
 788
 789     name.Length = 0;
 790     return NtSetValueKey( hkey, &name, 0, type, data, count );
 791 }
 792
 793 /******************************************************************************
 794  * NtUnloadKey [NTDLL.@]
 795  * ZwUnloadKey [NTDLL.@]
 796  */
 797 NTSTATUS WINAPI NtUnloadKey(IN POBJECT_ATTRIBUTES attr)
 798 {
 799     NTSTATUS ret;
 800
 801     TRACE("(%p)\n", attr);
 802
 803     SERVER_START_REQ( unload_registry )
 804     {
 805         req->hkey = wine_server_obj_handle( attr->RootDirectory );
 806         ret = wine_server_call(req);
 807     }
 808     SERVER_END_REQ;
 809
 810     return ret;
 811 }
 812
 813 /******************************************************************************
 814  *  RtlFormatCurrentUserKeyPath         [NTDLL.@]
 815  *
 816  */
 817 NTSTATUS WINAPI RtlFormatCurrentUserKeyPath( IN OUT PUNICODE_STRING KeyPath)
 818 {
 819     static const WCHAR pathW[] = {'\\','R','e','g','i','s','t','r','y','\\','U','s','e','r','\\'};
 820     HANDLE token;
 821     NTSTATUS status;
 822
 823     status = NtOpenThreadToken(GetCurrentThread(), TOKEN_READ, TRUE, &token);
 824     if (status == STATUS_NO_TOKEN)
 825         status = NtOpenProcessToken(GetCurrentProcess(), TOKEN_READ, &token);
 826     if (status == STATUS_SUCCESS)
 827     {
 828         char buffer[sizeof(TOKEN_USER) + sizeof(SID) + sizeof(DWORD)*SID_MAX_SUB_AUTHORITIES];
 829         DWORD len = sizeof(buffer);
 830
 831         status = NtQueryInformationToken(token, TokenUser, buffer, len, &len);
 832         if (status == STATUS_SUCCESS)
 833         {
 834             KeyPath->MaximumLength = 0;
 835             status = RtlConvertSidToUnicodeString(KeyPath, ((TOKEN_USER *)buffer)->User.Sid, FALSE);
 836             if (status == STATUS_BUFFER_OVERFLOW)
 837             {
 838                 PWCHAR buf = RtlAllocateHeap(GetProcessHeap(), 0,
 839                                              sizeof(pathW) + KeyPath->Length + sizeof(WCHAR));
 840                 if (buf)
 841                 {
 842                     memcpy(buf, pathW, sizeof(pathW));
 843                     KeyPath->MaximumLength = KeyPath->Length + sizeof(WCHAR);
 844                     KeyPath->Buffer = (PWCHAR)((LPBYTE)buf + sizeof(pathW));
 845                     status = RtlConvertSidToUnicodeString(KeyPath,
 846                                                           ((TOKEN_USER *)buffer)->User.Sid, FALSE);
 847                     KeyPath->Buffer = buf;
 848                     KeyPath->Length += sizeof(pathW);
 849                     KeyPath->MaximumLength += sizeof(pathW);
 850                 }
 851                 else
 852                     status = STATUS_NO_MEMORY;
 853             }
 854         }
 855         NtClose(token);
 856     }
 857     return status;
 858 }
 859
 860 /******************************************************************************
 861  *  RtlOpenCurrentUser          [NTDLL.@]
 862  *
 863  * NOTES
 864  *  If we return just HKEY_CURRENT_USER the advapi tries to find a remote
 865  *  registry (odd handle) and fails.
 866  */
 867 NTSTATUS WINAPI RtlOpenCurrentUser(
 868         IN ACCESS_MASK DesiredAccess, /* [in] */
 869         OUT PHANDLE KeyHandle)        /* [out] handle of HKEY_CURRENT_USER */
 870 {
 871         OBJECT_ATTRIBUTES ObjectAttributes;
 872         UNICODE_STRING ObjectName;
 873         NTSTATUS ret;
 874
 875         TRACE("(0x%08x, %p)\n",DesiredAccess, KeyHandle);
 876
 877         if ((ret = RtlFormatCurrentUserKeyPath(&ObjectName))) return ret;
 878         InitializeObjectAttributes(&ObjectAttributes,&ObjectName,OBJ_CASE_INSENSITIVE,0, NULL);
 879         ret = NtCreateKey(KeyHandle, DesiredAccess, &ObjectAttributes, 0, NULL, 0, NULL);
 880         RtlFreeUnicodeString(&ObjectName);
 881         return ret;
 882 }
 883
 884
 885 static NTSTATUS RTL_ReportRegistryValue(PKEY_VALUE_FULL_INFORMATION pInfo,
 886                                         PRTL_QUERY_REGISTRY_TABLE pQuery, PVOID pContext, PVOID pEnvironment)
 887 {
 888     PUNICODE_STRING str;
 889     UNICODE_STRING src, dst;
 890     LONG *bin;
 891     ULONG offset;
 892     PWSTR wstr;
 893     DWORD res;
 894     NTSTATUS status = STATUS_SUCCESS;
 895     ULONG len;
 896     LPWSTR String;
 897     ULONG count = 0;
 898
 899     if (pInfo == NULL)
 900     {
 901         if (pQuery->Flags & RTL_QUERY_REGISTRY_DIRECT)
 902             return STATUS_INVALID_PARAMETER;
 903         else
 904         {
 905             status = pQuery->QueryRoutine(pQuery->Name, pQuery->DefaultType, pQuery->DefaultData,
 906                                           pQuery->DefaultLength, pContext, pQuery->EntryContext);
 907         }
 908         return status;
 909     }
 910     len = pInfo->DataLength;
 911
 912     if (pQuery->Flags & RTL_QUERY_REGISTRY_DIRECT)
 913     {
 914         str = (PUNICODE_STRING)pQuery->EntryContext;
 915
 916         switch(pInfo->Type)
 917         {
 918         case REG_EXPAND_SZ:
 919             if (!(pQuery->Flags & RTL_QUERY_REGISTRY_NOEXPAND))
 920             {
 921                 RtlInitUnicodeString(&src, (WCHAR*)(((CHAR*)pInfo) + pInfo->DataOffset));
 922                 res = 0;
 923                 dst.MaximumLength = 0;
 924                 RtlExpandEnvironmentStrings_U(pEnvironment, &src, &dst, &res);
 925                 dst.Length = 0;
 926                 dst.MaximumLength = res;
 927                 dst.Buffer = RtlAllocateHeap(GetProcessHeap(), 0, res * sizeof(WCHAR));
 928                 RtlExpandEnvironmentStrings_U(pEnvironment, &src, &dst, &res);
 929                 status = pQuery->QueryRoutine(pQuery->Name, pInfo->Type, dst.Buffer,
 930                                      dst.Length, pContext, pQuery->EntryContext);
 931                 RtlFreeHeap(GetProcessHeap(), 0, dst.Buffer);
 932             }
 933
 934         case REG_SZ:
 935         case REG_LINK:
 936             if (str->Buffer == NULL)
 937                 RtlCreateUnicodeString(str, (WCHAR*)(((CHAR*)pInfo) + pInfo->DataOffset));
 938             else
 939                 RtlAppendUnicodeToString(str, (WCHAR*)(((CHAR*)pInfo) + pInfo->DataOffset));
 940             break;
 941
 942         case REG_MULTI_SZ:
 943             if (!(pQuery->Flags & RTL_QUERY_REGISTRY_NOEXPAND))
 944                 return STATUS_INVALID_PARAMETER;
 945
 946             if (str->Buffer == NULL)
 947             {
 948                 str->Buffer = RtlAllocateHeap(GetProcessHeap(), 0, len);
 949                 str->MaximumLength = len;
 950             }
 951             len = min(len, str->MaximumLength);
 952             memcpy(str->Buffer, ((CHAR*)pInfo) + pInfo->DataOffset, len);
 953             str->Length = len;
 954             break;
 955
 956         default:
 957             bin = (LONG*)pQuery->EntryContext;
 958             if (pInfo->DataLength <= sizeof(ULONG))
 959                 memcpy(bin, ((CHAR*)pInfo) + pInfo->DataOffset,
 960                     pInfo->DataLength);
 961             else
 962             {
 963                 if (bin[0] <= sizeof(ULONG))
 964                 {
 965                     memcpy(&bin[1], ((CHAR*)pInfo) + pInfo->DataOffset,
 966                     min(-bin[0], pInfo->DataLength));
 967                 }
 968                 else
 969                 {
 970                    len = min(bin[0], pInfo->DataLength);
 971                     bin[1] = len;
 972                     bin[2] = pInfo->Type;
 973                     memcpy(&bin[3], ((CHAR*)pInfo) + pInfo->DataOffset, len);
 974                 }
 975            }
 976            break;
 977         }
 978     }
 979     else
 980     {
 981         if((pQuery->Flags & RTL_QUERY_REGISTRY_NOEXPAND) ||
 982            (pInfo->Type != REG_EXPAND_SZ && pInfo->Type != REG_MULTI_SZ))
 983         {
 984             status = pQuery->QueryRoutine(pInfo->Name, pInfo->Type,
 985                 ((CHAR*)pInfo) + pInfo->DataOffset, pInfo->DataLength,
 986                 pContext, pQuery->EntryContext);
 987         }
 988         else if (pInfo->Type == REG_EXPAND_SZ)
 989         {
 990             RtlInitUnicodeString(&src, (WCHAR*)(((CHAR*)pInfo) + pInfo->DataOffset));
 991             res = 0;
 992             dst.MaximumLength = 0;
 993             RtlExpandEnvironmentStrings_U(pEnvironment, &src, &dst, &res);
 994             dst.Length = 0;
 995             dst.MaximumLength = res;
 996             dst.Buffer = RtlAllocateHeap(GetProcessHeap(), 0, res * sizeof(WCHAR));
 997             RtlExpandEnvironmentStrings_U(pEnvironment, &src, &dst, &res);
 998             status = pQuery->QueryRoutine(pQuery->Name, pInfo->Type, dst.Buffer,
 999                                           dst.Length, pContext, pQuery->EntryContext);
1000             RtlFreeHeap(GetProcessHeap(), 0, dst.Buffer);
1001         }
1002         else /* REG_MULTI_SZ */
1003         {
1004             if(pQuery->Flags & RTL_QUERY_REGISTRY_NOEXPAND)
1005             {
1006                 for (offset = 0; offset <= pInfo->DataLength; offset += len + sizeof(WCHAR))
1007                     {
1008                     wstr = (WCHAR*)(((CHAR*)pInfo) + offset);
1009                     len = strlenW(wstr) * sizeof(WCHAR);
1010                     status = pQuery->QueryRoutine(pQuery->Name, pInfo->Type, wstr, len,
1011                         pContext, pQuery->EntryContext);
1012                     if(status != STATUS_SUCCESS && status != STATUS_BUFFER_TOO_SMALL)
1013                         return status;
1014                     }
1015             }
1016             else
1017             {
1018                 while(count<=pInfo->DataLength)
1019                 {
1020                     String = (WCHAR*)(((CHAR*)pInfo) + pInfo->DataOffset)+count;
1021                     count+=strlenW(String)+1;
1022                     RtlInitUnicodeString(&src, (WCHAR*)(((CHAR*)pInfo) + pInfo->DataOffset));
1023                     res = 0;
1024                     dst.MaximumLength = 0;
1025                     RtlExpandEnvironmentStrings_U(pEnvironment, &src, &dst, &res);
1026                     dst.Length = 0;
1027                     dst.MaximumLength = res;
1028                     dst.Buffer = RtlAllocateHeap(GetProcessHeap(), 0, res * sizeof(WCHAR));
1029                     RtlExpandEnvironmentStrings_U(pEnvironment, &src, &dst, &res);
1030                     status = pQuery->QueryRoutine(pQuery->Name, pInfo->Type, dst.Buffer,
1031                                                   dst.Length, pContext, pQuery->EntryContext);
1032                     RtlFreeHeap(GetProcessHeap(), 0, dst.Buffer);
1033                     if(status != STATUS_SUCCESS && status != STATUS_BUFFER_TOO_SMALL)
1034                         return status;
1035                 }
1036             }
1037         }
1038     }
1039     return status;
1040 }
1041
1042
1043 static NTSTATUS RTL_GetKeyHandle(ULONG RelativeTo, PCWSTR Path, PHANDLE handle)
1044 {
1045     UNICODE_STRING KeyString;
1046     OBJECT_ATTRIBUTES regkey;
1047     PCWSTR base;
1048     INT len;
1049     NTSTATUS status;
1050
1051     static const WCHAR empty[] = {0};
1052     static const WCHAR control[] = {'\\','R','e','g','i','s','t','r','y','\\','M','a','c','h','i','n','e',
1053     '\\','S','y','s','t','e','m','\\','C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\\',
1054     'C','o','n','t','r','o','l','\\',0};
1055
1056     static const WCHAR devicemap[] = {'\\','R','e','g','i','s','t','r','y','\\','M','a','c','h','i','n','e','\\',
1057     'H','a','r','d','w','a','r','e','\\','D','e','v','i','c','e','M','a','p','\\',0};
1058
1059     static const WCHAR services[] = {'\\','R','e','g','i','s','t','r','y','\\','M','a','c','h','i','n','e','\\',
1060     'S','y','s','t','e','m','\\','C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\\',
1061     'S','e','r','v','i','c','e','s','\\',0};
1062
1063     static const WCHAR user[] = {'\\','R','e','g','i','s','t','r','y','\\','U','s','e','r','\\',
1064     'C','u','r','r','e','n','t','U','s','e','r','\\',0};
1065
1066     static const WCHAR windows_nt[] = {'\\','R','e','g','i','s','t','r','y','\\','M','a','c','h','i','n','e','\\',
1067     'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\',
1068     'W','i','n','d','o','w','s',' ','N','T','\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',0};
1069
1070     switch (RelativeTo & 0xff)
1071     {
1072     case RTL_REGISTRY_ABSOLUTE:
1073         base = empty;
1074         break;
1075
1076     case RTL_REGISTRY_CONTROL:
1077         base = control;
1078         break;
1079
1080     case RTL_REGISTRY_DEVICEMAP:
1081         base = devicemap;
1082         break;
1083
1084     case RTL_REGISTRY_SERVICES:
1085         base = services;
1086         break;
1087
1088     case RTL_REGISTRY_USER:
1089         base = user;
1090         break;
1091
1092     case RTL_REGISTRY_WINDOWS_NT:
1093         base = windows_nt;
1094         break;
1095
1096     default:
1097         return STATUS_INVALID_PARAMETER;
1098     }
1099
1100     len = (strlenW(base) + strlenW(Path) + 1) * sizeof(WCHAR);
1101     KeyString.Buffer = RtlAllocateHeap(GetProcessHeap(), 0, len);
1102     if (KeyString.Buffer == NULL)
1103         return STATUS_NO_MEMORY;
1104
1105     strcpyW(KeyString.Buffer, base);
1106     strcatW(KeyString.Buffer, Path);
1107     KeyString.Length = len - sizeof(WCHAR);
1108     KeyString.MaximumLength = len;
1109     InitializeObjectAttributes(&regkey, &KeyString, OBJ_CASE_INSENSITIVE, NULL, NULL);
1110     status = NtOpenKey(handle, KEY_ALL_ACCESS, &regkey);
1111     RtlFreeHeap(GetProcessHeap(), 0, KeyString.Buffer);
1112     return status;
1113 }
1114
1115 /*************************************************************************
1116  * RtlQueryRegistryValues   [NTDLL.@]
1117  *
1118  * Query multiple registry values with a signle call.
1119  *
1120  * PARAMS
1121  *  RelativeTo  [I] Registry path that Path refers to
1122  *  Path        [I] Path to key
1123  *  QueryTable  [I] Table of key values to query
1124  *  Context     [I] Parameter to pass to the application defined QueryRoutine function
1125  *  Environment [I] Optional parameter to use when performing expansion
1126  *
1127  * RETURNS
1128  *  STATUS_SUCCESS or an appropriate NTSTATUS error code.
1129  */
1130 NTSTATUS WINAPI RtlQueryRegistryValues(IN ULONG RelativeTo, IN PCWSTR Path,
1131                                        IN PRTL_QUERY_REGISTRY_TABLE QueryTable, IN PVOID Context,
1132                                        IN PVOID Environment OPTIONAL)
1133 {
1134     UNICODE_STRING Value;
1135     HANDLE handle, topkey;
1136     PKEY_VALUE_FULL_INFORMATION pInfo = NULL;
1137     ULONG len, buflen = 0;
1138     NTSTATUS status=STATUS_SUCCESS, ret = STATUS_SUCCESS;
1139     INT i;
1140
1141     TRACE("(%d, %s, %p, %p, %p)\n", RelativeTo, debugstr_w(Path), QueryTable, Context, Environment);
1142
1143     if(Path == NULL)
1144         return STATUS_INVALID_PARAMETER;
1145
1146     /* get a valid handle */
1147     if (RelativeTo & RTL_REGISTRY_HANDLE)
1148         topkey = handle = (HANDLE)Path;
1149     else
1150     {
1151         status = RTL_GetKeyHandle(RelativeTo, Path, &topkey);
1152         handle = topkey;
1153     }
1154     if(status != STATUS_SUCCESS)
1155         return status;
1156
1157     /* Process query table entries */
1158     for (; QueryTable->QueryRoutine != NULL || QueryTable->Name != NULL; ++QueryTable)
1159     {
1160         if (QueryTable->Flags &
1161             (RTL_QUERY_REGISTRY_SUBKEY | RTL_QUERY_REGISTRY_TOPKEY))
1162         {
1163             /* topkey must be kept open just in case we will reuse it later */
1164             if (handle != topkey)
1165                 NtClose(handle);
1166
1167             if (QueryTable->Flags & RTL_QUERY_REGISTRY_SUBKEY)
1168             {
1169                 handle = 0;
1170                 status = RTL_GetKeyHandle(PtrToUlong(QueryTable->Name), Path, &handle);
1171                 if(status != STATUS_SUCCESS)
1172                 {
1173                     ret = status;
1174                     goto out;
1175                 }
1176             }
1177             else
1178                 handle = topkey;
1179         }
1180
1181         if (QueryTable->Flags & RTL_QUERY_REGISTRY_NOVALUE)
1182         {
1183             QueryTable->QueryRoutine(QueryTable->Name, REG_NONE, NULL, 0,
1184                 Context, QueryTable->EntryContext);
1185             continue;
1186         }
1187
1188         if (!handle)
1189         {
1190             if (QueryTable->Flags & RTL_QUERY_REGISTRY_REQUIRED)
1191             {
1192                 ret = STATUS_OBJECT_NAME_NOT_FOUND;
1193                 goto out;
1194             }
1195             continue;
1196         }
1197
1198         if (QueryTable->Name == NULL)
1199         {
1200             if (QueryTable->Flags & RTL_QUERY_REGISTRY_DIRECT)
1201             {
1202                 ret = STATUS_INVALID_PARAMETER;
1203                 goto out;
1204             }
1205
1206             /* Report all subkeys */
1207             for (i = 0;; ++i)
1208             {
1209                 status = NtEnumerateValueKey(handle, i,
1210                     KeyValueFullInformation, pInfo, buflen, &len);
1211                 if (status == STATUS_NO_MORE_ENTRIES)
1212                     break;
1213                 if (status == STATUS_BUFFER_OVERFLOW ||
1214                     status == STATUS_BUFFER_TOO_SMALL)
1215                 {
1216                     buflen = len;
1217                     RtlFreeHeap(GetProcessHeap(), 0, pInfo);
1218                     pInfo = RtlAllocateHeap(GetProcessHeap(), 0, buflen);
1219                     NtEnumerateValueKey(handle, i, KeyValueFullInformation,
1220                         pInfo, buflen, &len);
1221                 }
1222
1223                 status = RTL_ReportRegistryValue(pInfo, QueryTable, Context, Environment);
1224                 if(status != STATUS_SUCCESS && status != STATUS_BUFFER_TOO_SMALL)
1225                 {
1226                     ret = status;
1227                     goto out;
1228                 }
1229                 if (QueryTable->Flags & RTL_QUERY_REGISTRY_DELETE)
1230                 {
1231                     RtlInitUnicodeString(&Value, pInfo->Name);
1232                     NtDeleteValueKey(handle, &Value);
1233                 }
1234             }
1235
1236             if (i == 0  && (QueryTable->Flags & RTL_QUERY_REGISTRY_REQUIRED))
1237             {
1238                 ret = STATUS_OBJECT_NAME_NOT_FOUND;
1239                 goto out;
1240             }
1241         }
1242         else
1243         {
1244             RtlInitUnicodeString(&Value, QueryTable->Name);
1245             status = NtQueryValueKey(handle, &Value, KeyValueFullInformation,
1246                 pInfo, buflen, &len);
1247             if (status == STATUS_BUFFER_OVERFLOW ||
1248                 status == STATUS_BUFFER_TOO_SMALL)
1249             {
1250                 buflen = len;
1251                 RtlFreeHeap(GetProcessHeap(), 0, pInfo);
1252                 pInfo = RtlAllocateHeap(GetProcessHeap(), 0, buflen);
1253                 status = NtQueryValueKey(handle, &Value,
1254                     KeyValueFullInformation, pInfo, buflen, &len);
1255             }
1256             if (status != STATUS_SUCCESS)
1257             {
1258                 if (QueryTable->Flags & RTL_QUERY_REGISTRY_REQUIRED)
1259                 {
1260                     ret = STATUS_OBJECT_NAME_NOT_FOUND;
1261                     goto out;
1262                 }
1263                 status = RTL_ReportRegistryValue(NULL, QueryTable, Context, Environment);
1264                 if(status != STATUS_SUCCESS && status != STATUS_BUFFER_TOO_SMALL)
1265                 {
1266                     ret = status;
1267                     goto out;
1268                 }
1269             }
1270             else
1271             {
1272                 status = RTL_ReportRegistryValue(pInfo, QueryTable, Context, Environment);
1273                 if(status != STATUS_SUCCESS && status != STATUS_BUFFER_TOO_SMALL)
1274                 {
1275                     ret = status;
1276                     goto out;
1277                 }
1278                 if (QueryTable->Flags & RTL_QUERY_REGISTRY_DELETE)
1279                     NtDeleteValueKey(handle, &Value);
1280             }
1281         }
1282     }
1283
1284 out:
1285     RtlFreeHeap(GetProcessHeap(), 0, pInfo);
1286     if (handle != topkey)
1287         NtClose(handle);
1288     NtClose(topkey);
1289     return ret;
1290 }
1291
1292 /*************************************************************************
1293  * RtlCheckRegistryKey   [NTDLL.@]
1294  *
1295  * Query multiple registry values with a signle call.
1296  *
1297  * PARAMS
1298  *  RelativeTo [I] Registry path that Path refers to
1299  *  Path       [I] Path to key
1300  *
1301  * RETURNS
1302  *  STATUS_SUCCESS if the specified key exists, or an NTSTATUS error code.
1303  */
1304 NTSTATUS WINAPI RtlCheckRegistryKey(IN ULONG RelativeTo, IN PWSTR Path)
1305 {
1306     HANDLE handle;
1307     NTSTATUS status;
1308
1309     TRACE("(%d, %s)\n", RelativeTo, debugstr_w(Path));
1310
1311     if((!RelativeTo) && Path == NULL)
1312         return STATUS_OBJECT_PATH_SYNTAX_BAD;
1313     if(RelativeTo & RTL_REGISTRY_HANDLE)
1314         return STATUS_SUCCESS;
1315
1316     status = RTL_GetKeyHandle(RelativeTo, Path, &handle);
1317     if (handle) NtClose(handle);
1318     if (status == STATUS_INVALID_HANDLE) status = STATUS_OBJECT_NAME_NOT_FOUND;
1319     return status;
1320 }
1321
1322 /*************************************************************************
1323  * RtlDeleteRegistryValue   [NTDLL.@]
1324  *
1325  * Query multiple registry values with a signle call.
1326  *
1327  * PARAMS
1328  *  RelativeTo [I] Registry path that Path refers to
1329  *  Path       [I] Path to key
1330  *  ValueName  [I] Name of the value to delete
1331  *
1332  * RETURNS
1333  *  STATUS_SUCCESS if the specified key is successfully deleted, or an NTSTATUS error code.
1334  */
1335 NTSTATUS WINAPI RtlDeleteRegistryValue(IN ULONG RelativeTo, IN PCWSTR Path, IN PCWSTR ValueName)
1336 {
1337     NTSTATUS status;
1338     HANDLE handle;
1339     UNICODE_STRING Value;
1340
1341     TRACE("(%d, %s, %s)\n", RelativeTo, debugstr_w(Path), debugstr_w(ValueName));
1342
1343     RtlInitUnicodeString(&Value, ValueName);
1344     if(RelativeTo == RTL_REGISTRY_HANDLE)
1345     {
1346         return NtDeleteValueKey((HANDLE)Path, &Value);
1347     }
1348     status = RTL_GetKeyHandle(RelativeTo, Path, &handle);
1349     if (status) return status;
1350     status = NtDeleteValueKey(handle, &Value);
1351     NtClose(handle);
1352     return status;
1353 }
1354
1355 /*************************************************************************
1356  * RtlWriteRegistryValue   [NTDLL.@]
1357  *
1358  * Sets the registry value with provided data.
1359  *
1360  * PARAMS
1361  *  RelativeTo [I] Registry path that path parameter refers to
1362  *  path       [I] Path to the key (or handle - see RTL_GetKeyHandle)
1363  *  name       [I] Name of the registry value to set
1364  *  type       [I] Type of the registry key to set
1365  *  data       [I] Pointer to the user data to be set
1366  *  length     [I] Length of the user data pointed by data
1367  *
1368  * RETURNS
1369  *  STATUS_SUCCESS if the specified key is successfully set,
1370  *  or an NTSTATUS error code.
1371  */
1372 NTSTATUS WINAPI RtlWriteRegistryValue( ULONG RelativeTo, PCWSTR path, PCWSTR name,
1373                                        ULONG type, PVOID data, ULONG length )
1374 {
1375     HANDLE hkey;
1376     NTSTATUS status;
1377     UNICODE_STRING str;
1378
1379     TRACE( "(%d, %s, %s) -> %d: %p [%d]\n", RelativeTo, debugstr_w(path), debugstr_w(name),
1380            type, data, length );
1381
1382     RtlInitUnicodeString( &str, name );
1383
1384     if (RelativeTo == RTL_REGISTRY_HANDLE)
1385         return NtSetValueKey( (HANDLE)path, &str, 0, type, data, length );
1386
1387     status = RTL_GetKeyHandle( RelativeTo, path, &hkey );
1388     if (status != STATUS_SUCCESS) return status;
1389
1390     status = NtSetValueKey( hkey, &str, 0, type, data, length );
1391     NtClose( hkey );
1392
1393     return status;
1394 }