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 value name in bytes (without terminating null) */
  46 #define MAX_VALUE_LENGTH (16383 * 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     data_size_t len;
  58     struct object_attributes *objattr;
  59
  60     if (!retkey || !attr) return STATUS_ACCESS_VIOLATION;
  61     if (attr->Length > sizeof(OBJECT_ATTRIBUTES)) return STATUS_INVALID_PARAMETER;
  62
  63     TRACE( "(%p,%s,%s,%x,%x,%p)\n", attr->RootDirectory, debugstr_us(attr->ObjectName),
  64            debugstr_us(class), options, access, retkey );
  65
  66     if ((ret = alloc_object_attributes( attr, &objattr, &len ))) return ret;
  67
  68     SERVER_START_REQ( create_key )
  69     {
  70         req->access     = access;
  71         req->options    = options;
  72         wine_server_add_data( req, objattr, len );
  73         if (class) wine_server_add_data( req, class->Buffer, class->Length );
  74         ret = wine_server_call( req );
  75         *retkey = wine_server_ptr_handle( reply->hkey );
  76         if (dispos && !ret) *dispos = reply->created ? REG_CREATED_NEW_KEY : REG_OPENED_EXISTING_KEY;
  77     }
  78     SERVER_END_REQ;
  79
  80     TRACE("<- %p\n", *retkey);
  81     RtlFreeHeap( GetProcessHeap(), 0, objattr );
  82     return ret;
  83 }
  84
  85 NTSTATUS WINAPI NtCreateKeyTransacted( PHANDLE retkey, ACCESS_MASK access, const OBJECT_ATTRIBUTES *attr,
  86                                        ULONG TitleIndex, const UNICODE_STRING *class, ULONG options,
  87                                        HANDLE transacted, ULONG *dispos )
  88 {
  89     FIXME( "(%p,%s,%s,%x,%x,%p,%p)\n", attr->RootDirectory, debugstr_us(attr->ObjectName),
  90            debugstr_us(class), options, access, transacted, retkey );
  91     return STATUS_NOT_IMPLEMENTED;
  92 }
  93
  94 NTSTATUS WINAPI NtRenameKey( HANDLE handle, UNICODE_STRING *name )
  95 {
  96     FIXME( "(%p %s)\n", handle, debugstr_us(name) );
  97     return STATUS_NOT_IMPLEMENTED;
  98 }
  99
 100 /******************************************************************************
 101  *  RtlpNtCreateKey [NTDLL.@]
 102  *
 103  *  See NtCreateKey.
 104  */
 105 NTSTATUS WINAPI RtlpNtCreateKey( PHANDLE retkey, ACCESS_MASK access, const OBJECT_ATTRIBUTES *attr,
 106                                  ULONG TitleIndex, const UNICODE_STRING *class, ULONG options,
 107                                  PULONG dispos )
 108 {
 109     OBJECT_ATTRIBUTES oa;
 110
 111     if (attr)
 112     {
 113         oa = *attr;
 114         oa.Attributes &= ~(OBJ_PERMANENT|OBJ_EXCLUSIVE);
 115         attr = &oa;
 116     }
 117
 118     return NtCreateKey(retkey, access, attr, 0, NULL, 0, dispos);
 119 }
 120
 121 static NTSTATUS open_key( PHANDLE retkey, ACCESS_MASK access, const OBJECT_ATTRIBUTES *attr, ULONG options )
 122 {
 123     NTSTATUS ret;
 124
 125     if (!retkey || !attr || !attr->ObjectName) return STATUS_ACCESS_VIOLATION;
 126     if ((ret = validate_open_object_attributes( attr ))) return ret;
 127
 128     TRACE( "(%p,%s,%x,%p)\n", attr->RootDirectory,
 129            debugstr_us(attr->ObjectName), access, retkey );
 130     if (options & ~REG_OPTION_OPEN_LINK)
 131         FIXME("options %x not implemented\n", options);
 132
 133     SERVER_START_REQ( open_key )
 134     {
 135         req->parent     = wine_server_obj_handle( attr->RootDirectory );
 136         req->access     = access;
 137         req->attributes = attr->Attributes;
 138         wine_server_add_data( req, attr->ObjectName->Buffer, attr->ObjectName->Length );
 139         ret = wine_server_call( req );
 140         *retkey = wine_server_ptr_handle( reply->hkey );
 141     }
 142     SERVER_END_REQ;
 143     TRACE("<- %p\n", *retkey);
 144     return ret;
 145 }
 146
 147 /******************************************************************************
 148  * NtOpenKeyEx [NTDLL.@]
 149  * ZwOpenKeyEx [NTDLL.@]
 150  */
 151 NTSTATUS WINAPI NtOpenKeyEx( PHANDLE retkey, ACCESS_MASK access, const OBJECT_ATTRIBUTES *attr, ULONG options )
 152 {
 153     return open_key( retkey, access, attr, options );
 154 }
 155
 156 /******************************************************************************
 157  * NtOpenKey [NTDLL.@]
 158  * ZwOpenKey [NTDLL.@]
 159  *
 160  *   OUT        HANDLE                  retkey (returns 0 when failure)
 161  *   IN         ACCESS_MASK             access
 162  *   IN         POBJECT_ATTRIBUTES      attr
 163  */
 164 NTSTATUS WINAPI NtOpenKey( PHANDLE retkey, ACCESS_MASK access, const OBJECT_ATTRIBUTES *attr )
 165 {
 166     return open_key( retkey, access, attr, 0 );
 167 }
 168
 169 NTSTATUS WINAPI NtOpenKeyTransactedEx( PHANDLE retkey, ACCESS_MASK access, const OBJECT_ATTRIBUTES *attr,
 170                                        ULONG options, HANDLE transaction )
 171 {
 172     FIXME( "(%p %x %p %x %p)\n", retkey, access, attr, options, transaction );
 173     return STATUS_NOT_IMPLEMENTED;
 174 }
 175
 176 NTSTATUS WINAPI NtOpenKeyTransacted( PHANDLE retkey, ACCESS_MASK access, const OBJECT_ATTRIBUTES *attr,
 177                                      HANDLE transaction )
 178 {
 179     return NtOpenKeyTransactedEx( retkey, access, attr, 0, transaction );
 180 }
 181
 182 /******************************************************************************
 183  * RtlpNtOpenKey [NTDLL.@]
 184  *
 185  * See NtOpenKey.
 186  */
 187 NTSTATUS WINAPI RtlpNtOpenKey( PHANDLE retkey, ACCESS_MASK access, OBJECT_ATTRIBUTES *attr )
 188 {
 189     if (attr)
 190         attr->Attributes &= ~(OBJ_PERMANENT|OBJ_EXCLUSIVE);
 191     return NtOpenKey(retkey, access, attr);
 192 }
 193
 194 /******************************************************************************
 195  * NtDeleteKey [NTDLL.@]
 196  * ZwDeleteKey [NTDLL.@]
 197  */
 198 NTSTATUS WINAPI NtDeleteKey( HANDLE hkey )
 199 {
 200     NTSTATUS ret;
 201
 202     TRACE( "(%p)\n", hkey );
 203
 204     SERVER_START_REQ( delete_key )
 205     {
 206         req->hkey = wine_server_obj_handle( hkey );
 207         ret = wine_server_call( req );
 208     }
 209     SERVER_END_REQ;
 210     return ret;
 211 }
 212
 213 /******************************************************************************
 214  * RtlpNtMakeTemporaryKey [NTDLL.@]
 215  *
 216  *  See NtDeleteKey.
 217  */
 218 NTSTATUS WINAPI RtlpNtMakeTemporaryKey( HANDLE hkey )
 219 {
 220     return NtDeleteKey(hkey);
 221 }
 222
 223 /******************************************************************************
 224  * NtDeleteValueKey [NTDLL.@]
 225  * ZwDeleteValueKey [NTDLL.@]
 226  */
 227 NTSTATUS WINAPI NtDeleteValueKey( HANDLE hkey, const UNICODE_STRING *name )
 228 {
 229     NTSTATUS ret;
 230
 231     TRACE( "(%p,%s)\n", hkey, debugstr_us(name) );
 232     if (name->Length > MAX_VALUE_LENGTH) return STATUS_OBJECT_NAME_NOT_FOUND;
 233
 234     SERVER_START_REQ( delete_key_value )
 235     {
 236         req->hkey = wine_server_obj_handle( hkey );
 237         wine_server_add_data( req, name->Buffer, name->Length );
 238         ret = wine_server_call( req );
 239     }
 240     SERVER_END_REQ;
 241     return ret;
 242 }
 243
 244
 245 /******************************************************************************
 246  *     enumerate_key
 247  *
 248  * Implementation of NtQueryKey and NtEnumerateKey
 249  */
 250 static NTSTATUS enumerate_key( HANDLE handle, int index, KEY_INFORMATION_CLASS info_class,
 251                                void *info, DWORD length, DWORD *result_len )
 252
 253 {
 254     NTSTATUS ret;
 255     void *data_ptr;
 256     size_t fixed_size;
 257
 258     switch(info_class)
 259     {
 260     case KeyBasicInformation:  data_ptr = ((KEY_BASIC_INFORMATION *)info)->Name; break;
 261     case KeyFullInformation:   data_ptr = ((KEY_FULL_INFORMATION *)info)->Class; break;
 262     case KeyNodeInformation:   data_ptr = ((KEY_NODE_INFORMATION *)info)->Name;  break;
 263     case KeyNameInformation:   data_ptr = ((KEY_NAME_INFORMATION *)info)->Name;  break;
 264     case KeyCachedInformation: data_ptr = ((KEY_CACHED_INFORMATION *)info)+1;    break;
 265     default:
 266         FIXME( "Information class %d not implemented\n", info_class );
 267         return STATUS_INVALID_PARAMETER;
 268     }
 269     fixed_size = (char *)data_ptr - (char *)info;
 270
 271     SERVER_START_REQ( enum_key )
 272     {
 273         req->hkey       = wine_server_obj_handle( handle );
 274         req->index      = index;
 275         req->info_class = info_class;
 276         if (length > fixed_size) wine_server_set_reply( req, data_ptr, length - fixed_size );
 277         if (!(ret = wine_server_call( req )))
 278         {
 279             switch(info_class)
 280             {
 281             case KeyBasicInformation:
 282                 {
 283                     KEY_BASIC_INFORMATION keyinfo;
 284                     fixed_size = (char *)keyinfo.Name - (char *)&keyinfo;
 285                     keyinfo.LastWriteTime.QuadPart = reply->modif;
 286                     keyinfo.TitleIndex = 0;
 287                     keyinfo.NameLength = reply->namelen;
 288                     memcpy( info, &keyinfo, min( length, fixed_size ) );
 289                 }
 290                 break;
 291             case KeyFullInformation:
 292                 {
 293                     KEY_FULL_INFORMATION keyinfo;
 294                     fixed_size = (char *)keyinfo.Class - (char *)&keyinfo;
 295                     keyinfo.LastWriteTime.QuadPart = reply->modif;
 296                     keyinfo.TitleIndex = 0;
 297                     keyinfo.ClassLength = wine_server_reply_size(reply);
 298                     keyinfo.ClassOffset = keyinfo.ClassLength ? fixed_size : -1;
 299                     keyinfo.SubKeys = reply->subkeys;
 300                     keyinfo.MaxNameLen = reply->max_subkey;
 301                     keyinfo.MaxClassLen = reply->max_class;
 302                     keyinfo.Values = reply->values;
 303                     keyinfo.MaxValueNameLen = reply->max_value;
 304                     keyinfo.MaxValueDataLen = reply->max_data;
 305                     memcpy( info, &keyinfo, min( length, fixed_size ) );
 306                 }
 307                 break;
 308             case KeyNodeInformation:
 309                 {
 310                     KEY_NODE_INFORMATION keyinfo;
 311                     fixed_size = (char *)keyinfo.Name - (char *)&keyinfo;
 312                     keyinfo.LastWriteTime.QuadPart = reply->modif;
 313                     keyinfo.TitleIndex = 0;
 314                     if (reply->namelen < wine_server_reply_size(reply))
 315                     {
 316                         keyinfo.ClassLength = wine_server_reply_size(reply) - reply->namelen;
 317                         keyinfo.ClassOffset = fixed_size + reply->namelen;
 318                     }
 319                     else
 320                     {
 321                         keyinfo.ClassLength = 0;
 322                         keyinfo.ClassOffset = -1;
 323                     }
 324                     keyinfo.NameLength = reply->namelen;
 325                     memcpy( info, &keyinfo, min( length, fixed_size ) );
 326                 }
 327                 break;
 328             case KeyNameInformation:
 329                 {
 330                     KEY_NAME_INFORMATION keyinfo;
 331                     fixed_size = (char *)keyinfo.Name - (char *)&keyinfo;
 332                     keyinfo.NameLength = reply->namelen;
 333                     memcpy( info, &keyinfo, min( length, fixed_size ) );
 334                 }
 335                 break;
 336             case KeyCachedInformation:
 337                 {
 338                     KEY_CACHED_INFORMATION keyinfo;
 339                     fixed_size = sizeof(keyinfo);
 340                     keyinfo.LastWriteTime.QuadPart = reply->modif;
 341                     keyinfo.TitleIndex = 0;
 342                     keyinfo.SubKeys = reply->subkeys;
 343                     keyinfo.MaxNameLen = reply->max_subkey;
 344                     keyinfo.Values = reply->values;
 345                     keyinfo.MaxValueNameLen = reply->max_value;
 346                     keyinfo.MaxValueDataLen = reply->max_data;
 347                     keyinfo.NameLength = reply->namelen;
 348                     memcpy( info, &keyinfo, min( length, fixed_size ) );
 349                 }
 350                 break;
 351             default:
 352                 break;
 353             }
 354             *result_len = fixed_size + reply->total;
 355             if (length < *result_len) ret = STATUS_BUFFER_OVERFLOW;
 356         }
 357     }
 358     SERVER_END_REQ;
 359     return ret;
 360 }
 361
 362
 363
 364 /******************************************************************************
 365  * NtEnumerateKey [NTDLL.@]
 366  * ZwEnumerateKey [NTDLL.@]
 367  *
 368  * NOTES
 369  *  the name copied into the buffer is NOT 0-terminated
 370  */
 371 NTSTATUS WINAPI NtEnumerateKey( HANDLE handle, ULONG index, KEY_INFORMATION_CLASS info_class,
 372                                 void *info, DWORD length, DWORD *result_len )
 373 {
 374     /* -1 means query key, so avoid it here */
 375     if (index == (ULONG)-1) return STATUS_NO_MORE_ENTRIES;
 376     return enumerate_key( handle, index, info_class, info, length, result_len );
 377 }
 378
 379
 380 /******************************************************************************
 381  * RtlpNtEnumerateSubKey [NTDLL.@]
 382  *
 383  */
 384 NTSTATUS WINAPI RtlpNtEnumerateSubKey( HANDLE handle, UNICODE_STRING *out, ULONG index )
 385 {
 386   KEY_BASIC_INFORMATION *info;
 387   DWORD dwLen, dwResultLen;
 388   NTSTATUS ret;
 389
 390   if (out->Length)
 391   {
 392     dwLen = out->Length + sizeof(KEY_BASIC_INFORMATION);
 393     info = RtlAllocateHeap( GetProcessHeap(), 0, dwLen );
 394     if (!info)
 395       return STATUS_NO_MEMORY;
 396   }
 397   else
 398   {
 399     dwLen = 0;
 400     info = NULL;
 401   }
 402
 403   ret = NtEnumerateKey( handle, index, KeyBasicInformation, info, dwLen, &dwResultLen );
 404   dwResultLen -= sizeof(KEY_BASIC_INFORMATION);
 405
 406   if (ret == STATUS_BUFFER_OVERFLOW)
 407     out->Length = dwResultLen;
 408   else if (!ret)
 409   {
 410     if (out->Length < info->NameLength)
 411     {
 412       out->Length = dwResultLen;
 413       ret = STATUS_BUFFER_OVERFLOW;
 414     }
 415     else
 416     {
 417       out->Length = info->NameLength;
 418       memcpy(out->Buffer, info->Name, info->NameLength);
 419     }
 420   }
 421
 422   RtlFreeHeap( GetProcessHeap(), 0, info );
 423   return ret;
 424 }
 425
 426 /******************************************************************************
 427  * NtQueryKey [NTDLL.@]
 428  * ZwQueryKey [NTDLL.@]
 429  */
 430 NTSTATUS WINAPI NtQueryKey( HANDLE handle, KEY_INFORMATION_CLASS info_class,
 431                             void *info, DWORD length, DWORD *result_len )
 432 {
 433     return enumerate_key( handle, -1, info_class, info, length, result_len );
 434 }
 435
 436
 437 /* fill the key value info structure for a specific info class */
 438 static void copy_key_value_info( KEY_VALUE_INFORMATION_CLASS info_class, void *info,
 439                                  DWORD length, int type, int name_len, int data_len )
 440 {
 441     switch(info_class)
 442     {
 443     case KeyValueBasicInformation:
 444         {
 445             KEY_VALUE_BASIC_INFORMATION keyinfo;
 446             keyinfo.TitleIndex = 0;
 447             keyinfo.Type       = type;
 448             keyinfo.NameLength = name_len;
 449             length = min( length, (char *)keyinfo.Name - (char *)&keyinfo );
 450             memcpy( info, &keyinfo, length );
 451             break;
 452         }
 453     case KeyValueFullInformation:
 454         {
 455             KEY_VALUE_FULL_INFORMATION keyinfo;
 456             keyinfo.TitleIndex = 0;
 457             keyinfo.Type       = type;
 458             keyinfo.DataOffset = (char *)keyinfo.Name - (char *)&keyinfo + name_len;
 459             keyinfo.DataLength = data_len;
 460             keyinfo.NameLength = name_len;
 461             length = min( length, (char *)keyinfo.Name - (char *)&keyinfo );
 462             memcpy( info, &keyinfo, length );
 463             break;
 464         }
 465     case KeyValuePartialInformation:
 466         {
 467             KEY_VALUE_PARTIAL_INFORMATION keyinfo;
 468             keyinfo.TitleIndex = 0;
 469             keyinfo.Type       = type;
 470             keyinfo.DataLength = data_len;
 471             length = min( length, (char *)keyinfo.Data - (char *)&keyinfo );
 472             memcpy( info, &keyinfo, length );
 473             break;
 474         }
 475     default:
 476         break;
 477     }
 478 }
 479
 480
 481 /******************************************************************************
 482  *  NtEnumerateValueKey [NTDLL.@]
 483  *  ZwEnumerateValueKey [NTDLL.@]
 484  */
 485 NTSTATUS WINAPI NtEnumerateValueKey( HANDLE handle, ULONG index,
 486                                      KEY_VALUE_INFORMATION_CLASS info_class,
 487                                      void *info, DWORD length, DWORD *result_len )
 488 {
 489     NTSTATUS ret;
 490     void *ptr;
 491     size_t fixed_size;
 492
 493     TRACE( "(%p,%u,%d,%p,%d)\n", handle, index, info_class, info, length );
 494
 495     /* compute the length we want to retrieve */
 496     switch(info_class)
 497     {
 498     case KeyValueBasicInformation:   ptr = ((KEY_VALUE_BASIC_INFORMATION *)info)->Name; break;
 499     case KeyValueFullInformation:    ptr = ((KEY_VALUE_FULL_INFORMATION *)info)->Name; break;
 500     case KeyValuePartialInformation: ptr = ((KEY_VALUE_PARTIAL_INFORMATION *)info)->Data; break;
 501     default:
 502         FIXME( "Information class %d not implemented\n", info_class );
 503         return STATUS_INVALID_PARAMETER;
 504     }
 505     fixed_size = (char *)ptr - (char *)info;
 506
 507     SERVER_START_REQ( enum_key_value )
 508     {
 509         req->hkey       = wine_server_obj_handle( handle );
 510         req->index      = index;
 511         req->info_class = info_class;
 512         if (length > fixed_size) wine_server_set_reply( req, ptr, length - fixed_size );
 513         if (!(ret = wine_server_call( req )))
 514         {
 515             copy_key_value_info( info_class, info, length, reply->type, reply->namelen,
 516                                  wine_server_reply_size(reply) - reply->namelen );
 517             *result_len = fixed_size + reply->total;
 518             if (length < *result_len) ret = STATUS_BUFFER_OVERFLOW;
 519         }
 520     }
 521     SERVER_END_REQ;
 522     return ret;
 523 }
 524
 525
 526 /******************************************************************************
 527  * NtQueryValueKey [NTDLL.@]
 528  * ZwQueryValueKey [NTDLL.@]
 529  *
 530  * NOTES
 531  *  the name in the KeyValueInformation is never set
 532  */
 533 NTSTATUS WINAPI NtQueryValueKey( HANDLE handle, const UNICODE_STRING *name,
 534                                  KEY_VALUE_INFORMATION_CLASS info_class,
 535                                  void *info, DWORD length, DWORD *result_len )
 536 {
 537     NTSTATUS ret;
 538     UCHAR *data_ptr;
 539     unsigned int fixed_size, min_size;
 540
 541     TRACE( "(%p,%s,%d,%p,%d)\n", handle, debugstr_us(name), info_class, info, length );
 542
 543     if (name->Length > MAX_VALUE_LENGTH) return STATUS_OBJECT_NAME_NOT_FOUND;
 544
 545     /* compute the length we want to retrieve */
 546     switch(info_class)
 547     {
 548     case KeyValueBasicInformation:
 549     {
 550         KEY_VALUE_BASIC_INFORMATION *basic_info = info;
 551         min_size = FIELD_OFFSET(KEY_VALUE_BASIC_INFORMATION, Name);
 552         fixed_size = min_size + name->Length;
 553         if (min_size < length)
 554             memcpy(basic_info->Name, name->Buffer, min(length - min_size, name->Length));
 555         data_ptr = NULL;
 556         break;
 557     }
 558     case KeyValueFullInformation:
 559     {
 560         KEY_VALUE_FULL_INFORMATION *full_info = info;
 561         min_size = FIELD_OFFSET(KEY_VALUE_FULL_INFORMATION, Name);
 562         fixed_size = min_size + name->Length;
 563         if (min_size < length)
 564             memcpy(full_info->Name, name->Buffer, min(length - min_size, name->Length));
 565         data_ptr = (UCHAR *)full_info->Name + name->Length;
 566         break;
 567     }
 568     case KeyValuePartialInformation:
 569         min_size = fixed_size = FIELD_OFFSET(KEY_VALUE_PARTIAL_INFORMATION, Data);
 570         data_ptr = ((KEY_VALUE_PARTIAL_INFORMATION *)info)->Data;
 571         break;
 572     default:
 573         FIXME( "Information class %d not implemented\n", info_class );
 574         return STATUS_INVALID_PARAMETER;
 575     }
 576
 577     SERVER_START_REQ( get_key_value )
 578     {
 579         req->hkey = wine_server_obj_handle( handle );
 580         wine_server_add_data( req, name->Buffer, name->Length );
 581         if (length > fixed_size && data_ptr) wine_server_set_reply( req, data_ptr, length - fixed_size );
 582         if (!(ret = wine_server_call( req )))
 583         {
 584             copy_key_value_info( info_class, info, length, reply->type,
 585                                  name->Length, reply->total );
 586             *result_len = fixed_size + (info_class == KeyValueBasicInformation ? 0 : reply->total);
 587             if (length < min_size) ret = STATUS_BUFFER_TOO_SMALL;
 588             else if (length < *result_len) ret = STATUS_BUFFER_OVERFLOW;
 589         }
 590     }
 591     SERVER_END_REQ;
 592     return ret;
 593 }
 594
 595 /******************************************************************************
 596  * RtlpNtQueryValueKey [NTDLL.@]
 597  *
 598  */
 599 NTSTATUS WINAPI RtlpNtQueryValueKey( HANDLE handle, ULONG *result_type, PBYTE dest,
 600                                      DWORD *result_len, void *unknown )
 601 {
 602     KEY_VALUE_PARTIAL_INFORMATION *info;
 603     UNICODE_STRING name;
 604     NTSTATUS ret;
 605     DWORD dwResultLen;
 606     DWORD dwLen = sizeof (KEY_VALUE_PARTIAL_INFORMATION) + (result_len ? *result_len : 0);
 607
 608     info = RtlAllocateHeap( GetProcessHeap(), 0, dwLen );
 609     if (!info)
 610       return STATUS_NO_MEMORY;
 611
 612     name.Length = 0;
 613     ret = NtQueryValueKey( handle, &name, KeyValuePartialInformation, info, dwLen, &dwResultLen );
 614
 615     if (!ret || ret == STATUS_BUFFER_OVERFLOW)
 616     {
 617         if (result_len)
 618             *result_len = info->DataLength;
 619
 620         if (result_type)
 621             *result_type = info->Type;
 622
 623         if (ret != STATUS_BUFFER_OVERFLOW)
 624             memcpy( dest, info->Data, info->DataLength );
 625     }
 626
 627     RtlFreeHeap( GetProcessHeap(), 0, info );
 628     return ret;
 629 }
 630
 631 /******************************************************************************
 632  *  NtFlushKey  [NTDLL.@]
 633  *  ZwFlushKey  [NTDLL.@]
 634  */
 635 NTSTATUS WINAPI NtFlushKey(HANDLE key)
 636 {
 637     NTSTATUS ret;
 638
 639     TRACE("key=%p\n", key);
 640
 641     SERVER_START_REQ( flush_key )
 642     {
 643         req->hkey = wine_server_obj_handle( key );
 644         ret = wine_server_call( req );
 645     }
 646     SERVER_END_REQ;
 647
 648     return ret;
 649 }
 650
 651 /******************************************************************************
 652  *  NtLoadKey   [NTDLL.@]
 653  *  ZwLoadKey   [NTDLL.@]
 654  */
 655 NTSTATUS WINAPI NtLoadKey( const OBJECT_ATTRIBUTES *attr, OBJECT_ATTRIBUTES *file )
 656 {
 657     NTSTATUS ret;
 658     HANDLE hive;
 659     IO_STATUS_BLOCK io;
 660     data_size_t len;
 661     struct object_attributes *objattr;
 662
 663     TRACE("(%p,%p)\n", attr, file);
 664
 665     ret = NtCreateFile(&hive, GENERIC_READ | SYNCHRONIZE, file, &io, NULL, FILE_ATTRIBUTE_NORMAL, 0,
 666                        FILE_OPEN, 0, NULL, 0);
 667     if (ret) return ret;
 668
 669     if ((ret = alloc_object_attributes( attr, &objattr, &len ))) return ret;
 670
 671     SERVER_START_REQ( load_registry )
 672     {
 673         req->file = wine_server_obj_handle( hive );
 674         wine_server_add_data( req, objattr, len );
 675         ret = wine_server_call( req );
 676     }
 677     SERVER_END_REQ;
 678
 679     NtClose(hive);
 680     RtlFreeHeap( GetProcessHeap(), 0, objattr );
 681     return ret;
 682 }
 683
 684 /******************************************************************************
 685  *  NtNotifyChangeMultipleKeys  [NTDLL.@]
 686  *  ZwNotifyChangeMultipleKeys  [NTDLL.@]
 687  */
 688 NTSTATUS WINAPI NtNotifyChangeMultipleKeys(
 689         HANDLE KeyHandle,
 690         ULONG Count,
 691         OBJECT_ATTRIBUTES *SubordinateObjects,
 692         HANDLE Event,
 693         PIO_APC_ROUTINE ApcRoutine,
 694         PVOID ApcContext,
 695         PIO_STATUS_BLOCK IoStatusBlock,
 696         ULONG CompletionFilter,
 697         BOOLEAN WatchSubtree,
 698         PVOID ChangeBuffer,
 699         ULONG Length,
 700         BOOLEAN Asynchronous)
 701 {
 702     NTSTATUS ret;
 703
 704     TRACE("(%p,%u,%p,%p,%p,%p,%p,0x%08x, 0x%08x,%p,0x%08x,0x%08x)\n",
 705         KeyHandle, Count, SubordinateObjects, Event, ApcRoutine, ApcContext, IoStatusBlock, CompletionFilter,
 706         Asynchronous, ChangeBuffer, Length, WatchSubtree);
 707
 708     if (Count || SubordinateObjects || ApcRoutine || ApcContext || ChangeBuffer || Length)
 709         FIXME("Unimplemented optional parameter\n");
 710
 711     if (!Asynchronous)
 712     {
 713         OBJECT_ATTRIBUTES attr;
 714         InitializeObjectAttributes( &attr, NULL, 0, NULL, NULL );
 715         ret = NtCreateEvent( &Event, EVENT_ALL_ACCESS, &attr, SynchronizationEvent, FALSE );
 716         if (ret != STATUS_SUCCESS)
 717             return ret;
 718     }
 719
 720     SERVER_START_REQ( set_registry_notification )
 721     {
 722         req->hkey    = wine_server_obj_handle( KeyHandle );
 723         req->event   = wine_server_obj_handle( Event );
 724         req->subtree = WatchSubtree;
 725         req->filter  = CompletionFilter;
 726         ret = wine_server_call( req );
 727     }
 728     SERVER_END_REQ;
 729
 730     if (!Asynchronous)
 731     {
 732         if (ret == STATUS_PENDING)
 733             ret = NtWaitForSingleObject( Event, FALSE, NULL );
 734         NtClose( Event );
 735     }
 736
 737     return ret;
 738 }
 739
 740 /******************************************************************************
 741  *  NtNotifyChangeKey   [NTDLL.@]
 742  *  ZwNotifyChangeKey   [NTDLL.@]
 743  */
 744 NTSTATUS WINAPI NtNotifyChangeKey(
 745         IN HANDLE KeyHandle,
 746         IN HANDLE Event,
 747         IN PIO_APC_ROUTINE ApcRoutine OPTIONAL,
 748         IN PVOID ApcContext OPTIONAL,
 749         OUT PIO_STATUS_BLOCK IoStatusBlock,
 750         IN ULONG CompletionFilter,
 751         IN BOOLEAN WatchSubtree,
 752         OUT PVOID ChangeBuffer,
 753         IN ULONG Length,
 754         IN BOOLEAN Asynchronous)
 755 {
 756     return NtNotifyChangeMultipleKeys(KeyHandle, 0, NULL, Event, ApcRoutine, ApcContext,
 757                                       IoStatusBlock, CompletionFilter, WatchSubtree,
 758                                       ChangeBuffer, Length, Asynchronous);
 759 }
 760
 761 /******************************************************************************
 762  * NtQueryMultipleValueKey [NTDLL]
 763  * ZwQueryMultipleValueKey
 764  */
 765
 766 NTSTATUS WINAPI NtQueryMultipleValueKey(
 767         HANDLE KeyHandle,
 768         PKEY_MULTIPLE_VALUE_INFORMATION ListOfValuesToQuery,
 769         ULONG NumberOfItems,
 770         PVOID MultipleValueInformation,
 771         ULONG Length,
 772         PULONG  ReturnLength)
 773 {
 774         FIXME("(%p,%p,0x%08x,%p,0x%08x,%p) stub!\n",
 775         KeyHandle, ListOfValuesToQuery, NumberOfItems, MultipleValueInformation,
 776         Length,ReturnLength);
 777         return STATUS_SUCCESS;
 778 }
 779
 780 /******************************************************************************
 781  * NtReplaceKey [NTDLL.@]
 782  * ZwReplaceKey [NTDLL.@]
 783  */
 784 NTSTATUS WINAPI NtReplaceKey(
 785         IN POBJECT_ATTRIBUTES ObjectAttributes,
 786         IN HANDLE Key,
 787         IN POBJECT_ATTRIBUTES ReplacedObjectAttributes)
 788 {
 789     FIXME("(%s,%p,%s),stub!\n", debugstr_ObjectAttributes(ObjectAttributes), Key,
 790           debugstr_ObjectAttributes(ReplacedObjectAttributes) );
 791     return STATUS_SUCCESS;
 792 }
 793 /******************************************************************************
 794  * NtRestoreKey [NTDLL.@]
 795  * ZwRestoreKey [NTDLL.@]
 796  */
 797 NTSTATUS WINAPI NtRestoreKey(
 798         HANDLE KeyHandle,
 799         HANDLE FileHandle,
 800         ULONG RestoreFlags)
 801 {
 802         FIXME("(%p,%p,0x%08x) stub\n",
 803         KeyHandle, FileHandle, RestoreFlags);
 804         return STATUS_SUCCESS;
 805 }
 806 /******************************************************************************
 807  * NtSaveKey [NTDLL.@]
 808  * ZwSaveKey [NTDLL.@]
 809  */
 810 NTSTATUS WINAPI NtSaveKey(IN HANDLE KeyHandle, IN HANDLE FileHandle)
 811 {
 812     NTSTATUS ret;
 813
 814     TRACE("(%p,%p)\n", KeyHandle, FileHandle);
 815
 816     SERVER_START_REQ( save_registry )
 817     {
 818         req->hkey = wine_server_obj_handle( KeyHandle );
 819         req->file = wine_server_obj_handle( FileHandle );
 820         ret = wine_server_call( req );
 821     }
 822     SERVER_END_REQ;
 823
 824     return ret;
 825 }
 826 /******************************************************************************
 827  * NtSetInformationKey [NTDLL.@]
 828  * ZwSetInformationKey [NTDLL.@]
 829  */
 830 NTSTATUS WINAPI NtSetInformationKey(
 831         IN HANDLE KeyHandle,
 832         IN const int KeyInformationClass,
 833         IN PVOID KeyInformation,
 834         IN ULONG KeyInformationLength)
 835 {
 836         FIXME("(%p,0x%08x,%p,0x%08x) stub\n",
 837         KeyHandle, KeyInformationClass, KeyInformation, KeyInformationLength);
 838         return STATUS_SUCCESS;
 839 }
 840
 841
 842 /******************************************************************************
 843  * NtSetValueKey [NTDLL.@]
 844  * ZwSetValueKey [NTDLL.@]
 845  *
 846  * NOTES
 847  *   win95 does not care about count for REG_SZ and finds out the len by itself (js)
 848  *   NT does definitely care (aj)
 849  */
 850 NTSTATUS WINAPI NtSetValueKey( HANDLE hkey, const UNICODE_STRING *name, ULONG TitleIndex,
 851                                ULONG type, const void *data, ULONG count )
 852 {
 853     NTSTATUS ret;
 854
 855     TRACE( "(%p,%s,%d,%p,%d)\n", hkey, debugstr_us(name), type, data, count );
 856
 857     if (name->Length > MAX_VALUE_LENGTH) return STATUS_INVALID_PARAMETER;
 858
 859     SERVER_START_REQ( set_key_value )
 860     {
 861         req->hkey    = wine_server_obj_handle( hkey );
 862         req->type    = type;
 863         req->namelen = name->Length;
 864         wine_server_add_data( req, name->Buffer, name->Length );
 865         wine_server_add_data( req, data, count );
 866         ret = wine_server_call( req );
 867     }
 868     SERVER_END_REQ;
 869     return ret;
 870 }
 871
 872 /******************************************************************************
 873  * RtlpNtSetValueKey [NTDLL.@]
 874  *
 875  */
 876 NTSTATUS WINAPI RtlpNtSetValueKey( HANDLE hkey, ULONG type, const void *data,
 877                                    ULONG count )
 878 {
 879     UNICODE_STRING name;
 880
 881     name.Length = 0;
 882     return NtSetValueKey( hkey, &name, 0, type, data, count );
 883 }
 884
 885 /******************************************************************************
 886  * NtUnloadKey [NTDLL.@]
 887  * ZwUnloadKey [NTDLL.@]
 888  */
 889 NTSTATUS WINAPI NtUnloadKey(IN POBJECT_ATTRIBUTES attr)
 890 {
 891     NTSTATUS ret;
 892
 893     TRACE("(%p)\n", attr);
 894
 895     SERVER_START_REQ( unload_registry )
 896     {
 897         req->hkey = wine_server_obj_handle( attr->RootDirectory );
 898         ret = wine_server_call(req);
 899     }
 900     SERVER_END_REQ;
 901
 902     return ret;
 903 }
 904
 905 /******************************************************************************
 906  *  RtlFormatCurrentUserKeyPath         [NTDLL.@]
 907  *
 908  */
 909 NTSTATUS WINAPI RtlFormatCurrentUserKeyPath( IN OUT PUNICODE_STRING KeyPath)
 910 {
 911     static const WCHAR pathW[] = {'\\','R','e','g','i','s','t','r','y','\\','U','s','e','r','\\'};
 912     char buffer[sizeof(TOKEN_USER) + sizeof(SID) + sizeof(DWORD)*SID_MAX_SUB_AUTHORITIES];
 913     DWORD len = sizeof(buffer);
 914     NTSTATUS status;
 915
 916     status = NtQueryInformationToken(GetCurrentThreadEffectiveToken(), TokenUser, buffer, len, &len);
 917     if (status == STATUS_SUCCESS)
 918     {
 919         KeyPath->MaximumLength = 0;
 920         status = RtlConvertSidToUnicodeString(KeyPath, ((TOKEN_USER *)buffer)->User.Sid, FALSE);
 921         if (status == STATUS_BUFFER_OVERFLOW)
 922         {
 923             PWCHAR buf = RtlAllocateHeap(GetProcessHeap(), 0,
 924                                          sizeof(pathW) + KeyPath->Length + sizeof(WCHAR));
 925             if (buf)
 926             {
 927                 memcpy(buf, pathW, sizeof(pathW));
 928                 KeyPath->MaximumLength = KeyPath->Length + sizeof(WCHAR);
 929                 KeyPath->Buffer = (PWCHAR)((LPBYTE)buf + sizeof(pathW));
 930                 status = RtlConvertSidToUnicodeString(KeyPath,
 931                                                       ((TOKEN_USER *)buffer)->User.Sid, FALSE);
 932                 KeyPath->Buffer = buf;
 933                 KeyPath->Length += sizeof(pathW);
 934                 KeyPath->MaximumLength += sizeof(pathW);
 935             }
 936             else
 937                 status = STATUS_NO_MEMORY;
 938         }
 939     }
 940     return status;
 941 }
 942
 943 /******************************************************************************
 944  *  RtlOpenCurrentUser          [NTDLL.@]
 945  *
 946  * NOTES
 947  *  If we return just HKEY_CURRENT_USER the advapi tries to find a remote
 948  *  registry (odd handle) and fails.
 949  */
 950 NTSTATUS WINAPI RtlOpenCurrentUser(
 951         IN ACCESS_MASK DesiredAccess, /* [in] */
 952         OUT PHANDLE KeyHandle)        /* [out] handle of HKEY_CURRENT_USER */
 953 {
 954         OBJECT_ATTRIBUTES ObjectAttributes;
 955         UNICODE_STRING ObjectName;
 956         NTSTATUS ret;
 957
 958         TRACE("(0x%08x, %p)\n",DesiredAccess, KeyHandle);
 959
 960         if ((ret = RtlFormatCurrentUserKeyPath(&ObjectName))) return ret;
 961         InitializeObjectAttributes(&ObjectAttributes,&ObjectName,OBJ_CASE_INSENSITIVE,0, NULL);
 962         ret = NtCreateKey(KeyHandle, DesiredAccess, &ObjectAttributes, 0, NULL, 0, NULL);
 963         RtlFreeUnicodeString(&ObjectName);
 964         return ret;
 965 }
 966
 967
 968 static NTSTATUS RTL_ReportRegistryValue(PKEY_VALUE_FULL_INFORMATION pInfo,
 969                                         PRTL_QUERY_REGISTRY_TABLE pQuery, PVOID pContext, PVOID pEnvironment)
 970 {
 971     PUNICODE_STRING str;
 972     UNICODE_STRING src, dst;
 973     LONG *bin;
 974     ULONG offset;
 975     PWSTR wstr;
 976     DWORD res;
 977     NTSTATUS status = STATUS_SUCCESS;
 978     ULONG len;
 979     LPWSTR String;
 980     ULONG count = 0;
 981
 982     if (pInfo == NULL)
 983     {
 984         if (pQuery->Flags & RTL_QUERY_REGISTRY_DIRECT)
 985             return STATUS_INVALID_PARAMETER;
 986         else
 987         {
 988             status = pQuery->QueryRoutine(pQuery->Name, pQuery->DefaultType, pQuery->DefaultData,
 989                                           pQuery->DefaultLength, pContext, pQuery->EntryContext);
 990         }
 991         return status;
 992     }
 993     len = pInfo->DataLength;
 994
 995     if (pQuery->Flags & RTL_QUERY_REGISTRY_DIRECT)
 996     {
 997         str = pQuery->EntryContext;
 998
 999         switch(pInfo->Type)
1000         {
1001         case REG_EXPAND_SZ:
1002             if (!(pQuery->Flags & RTL_QUERY_REGISTRY_NOEXPAND))
1003             {
1004                 RtlInitUnicodeString(&src, (WCHAR*)(((CHAR*)pInfo) + pInfo->DataOffset));
1005                 res = 0;
1006                 dst.MaximumLength = 0;
1007                 RtlExpandEnvironmentStrings_U(pEnvironment, &src, &dst, &res);
1008                 dst.Length = 0;
1009                 dst.MaximumLength = res;
1010                 dst.Buffer = RtlAllocateHeap(GetProcessHeap(), 0, res * sizeof(WCHAR));
1011                 RtlExpandEnvironmentStrings_U(pEnvironment, &src, &dst, &res);
1012                 status = pQuery->QueryRoutine(pQuery->Name, pInfo->Type, dst.Buffer,
1013                                      dst.Length, pContext, pQuery->EntryContext);
1014                 RtlFreeHeap(GetProcessHeap(), 0, dst.Buffer);
1015             }
1016
1017         case REG_SZ:
1018         case REG_LINK:
1019             if (str->Buffer == NULL)
1020                 RtlCreateUnicodeString(str, (WCHAR*)(((CHAR*)pInfo) + pInfo->DataOffset));
1021             else
1022                 RtlAppendUnicodeToString(str, (WCHAR*)(((CHAR*)pInfo) + pInfo->DataOffset));
1023             break;
1024
1025         case REG_MULTI_SZ:
1026             if (!(pQuery->Flags & RTL_QUERY_REGISTRY_NOEXPAND))
1027                 return STATUS_INVALID_PARAMETER;
1028
1029             if (str->Buffer == NULL)
1030             {
1031                 str->Buffer = RtlAllocateHeap(GetProcessHeap(), 0, len);
1032                 str->MaximumLength = len;
1033             }
1034             len = min(len, str->MaximumLength);
1035             memcpy(str->Buffer, ((CHAR*)pInfo) + pInfo->DataOffset, len);
1036             str->Length = len;
1037             break;
1038
1039         default:
1040             bin = pQuery->EntryContext;
1041             if (pInfo->DataLength <= sizeof(ULONG))
1042                 memcpy(bin, ((CHAR*)pInfo) + pInfo->DataOffset,
1043                     pInfo->DataLength);
1044             else
1045             {
1046                 if (bin[0] <= sizeof(ULONG))
1047                 {
1048                     memcpy(&bin[1], ((CHAR*)pInfo) + pInfo->DataOffset,
1049                     min(-bin[0], pInfo->DataLength));
1050                 }
1051                 else
1052                 {
1053                    len = min(bin[0], pInfo->DataLength);
1054                     bin[1] = len;
1055                     bin[2] = pInfo->Type;
1056                     memcpy(&bin[3], ((CHAR*)pInfo) + pInfo->DataOffset, len);
1057                 }
1058            }
1059            break;
1060         }
1061     }
1062     else
1063     {
1064         if((pQuery->Flags & RTL_QUERY_REGISTRY_NOEXPAND) ||
1065            (pInfo->Type != REG_EXPAND_SZ && pInfo->Type != REG_MULTI_SZ))
1066         {
1067             status = pQuery->QueryRoutine(pQuery->Name, pInfo->Type,
1068                 ((CHAR*)pInfo) + pInfo->DataOffset, pInfo->DataLength,
1069                 pContext, pQuery->EntryContext);
1070         }
1071         else if (pInfo->Type == REG_EXPAND_SZ)
1072         {
1073             RtlInitUnicodeString(&src, (WCHAR*)(((CHAR*)pInfo) + pInfo->DataOffset));
1074             res = 0;
1075             dst.MaximumLength = 0;
1076             RtlExpandEnvironmentStrings_U(pEnvironment, &src, &dst, &res);
1077             dst.Length = 0;
1078             dst.MaximumLength = res;
1079             dst.Buffer = RtlAllocateHeap(GetProcessHeap(), 0, res * sizeof(WCHAR));
1080             RtlExpandEnvironmentStrings_U(pEnvironment, &src, &dst, &res);
1081             status = pQuery->QueryRoutine(pQuery->Name, pInfo->Type, dst.Buffer,
1082                                           dst.Length, pContext, pQuery->EntryContext);
1083             RtlFreeHeap(GetProcessHeap(), 0, dst.Buffer);
1084         }
1085         else /* REG_MULTI_SZ */
1086         {
1087             if(pQuery->Flags & RTL_QUERY_REGISTRY_NOEXPAND)
1088             {
1089                 for (offset = 0; offset <= pInfo->DataLength; offset += len + sizeof(WCHAR))
1090                     {
1091                     wstr = (WCHAR*)(((CHAR*)pInfo) + offset);
1092                     len = strlenW(wstr) * sizeof(WCHAR);
1093                     status = pQuery->QueryRoutine(pQuery->Name, pInfo->Type, wstr, len,
1094                         pContext, pQuery->EntryContext);
1095                     if(status != STATUS_SUCCESS && status != STATUS_BUFFER_TOO_SMALL)
1096                         return status;
1097                     }
1098             }
1099             else
1100             {
1101                 while(count<=pInfo->DataLength)
1102                 {
1103                     String = (WCHAR*)(((CHAR*)pInfo) + pInfo->DataOffset)+count;
1104                     count+=strlenW(String)+1;
1105                     RtlInitUnicodeString(&src, (WCHAR*)(((CHAR*)pInfo) + pInfo->DataOffset));
1106                     res = 0;
1107                     dst.MaximumLength = 0;
1108                     RtlExpandEnvironmentStrings_U(pEnvironment, &src, &dst, &res);
1109                     dst.Length = 0;
1110                     dst.MaximumLength = res;
1111                     dst.Buffer = RtlAllocateHeap(GetProcessHeap(), 0, res * sizeof(WCHAR));
1112                     RtlExpandEnvironmentStrings_U(pEnvironment, &src, &dst, &res);
1113                     status = pQuery->QueryRoutine(pQuery->Name, pInfo->Type, dst.Buffer,
1114                                                   dst.Length, pContext, pQuery->EntryContext);
1115                     RtlFreeHeap(GetProcessHeap(), 0, dst.Buffer);
1116                     if(status != STATUS_SUCCESS && status != STATUS_BUFFER_TOO_SMALL)
1117                         return status;
1118                 }
1119             }
1120         }
1121     }
1122     return status;
1123 }
1124
1125
1126 static NTSTATUS RTL_GetKeyHandle(ULONG RelativeTo, PCWSTR Path, PHANDLE handle)
1127 {
1128     UNICODE_STRING KeyString;
1129     OBJECT_ATTRIBUTES regkey;
1130     PCWSTR base;
1131     INT len;
1132     NTSTATUS status;
1133
1134     static const WCHAR empty[] = {0};
1135     static const WCHAR control[] = {'\\','R','e','g','i','s','t','r','y','\\','M','a','c','h','i','n','e',
1136     '\\','S','y','s','t','e','m','\\','C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\\',
1137     'C','o','n','t','r','o','l','\\',0};
1138
1139     static const WCHAR devicemap[] = {'\\','R','e','g','i','s','t','r','y','\\','M','a','c','h','i','n','e','\\',
1140     'H','a','r','d','w','a','r','e','\\','D','e','v','i','c','e','M','a','p','\\',0};
1141
1142     static const WCHAR services[] = {'\\','R','e','g','i','s','t','r','y','\\','M','a','c','h','i','n','e','\\',
1143     'S','y','s','t','e','m','\\','C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\\',
1144     'S','e','r','v','i','c','e','s','\\',0};
1145
1146     static const WCHAR user[] = {'\\','R','e','g','i','s','t','r','y','\\','U','s','e','r','\\',
1147     'C','u','r','r','e','n','t','U','s','e','r','\\',0};
1148
1149     static const WCHAR windows_nt[] = {'\\','R','e','g','i','s','t','r','y','\\','M','a','c','h','i','n','e','\\',
1150     'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\',
1151     'W','i','n','d','o','w','s',' ','N','T','\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',0};
1152
1153     switch (RelativeTo & 0xff)
1154     {
1155     case RTL_REGISTRY_ABSOLUTE:
1156         base = empty;
1157         break;
1158
1159     case RTL_REGISTRY_CONTROL:
1160         base = control;
1161         break;
1162
1163     case RTL_REGISTRY_DEVICEMAP:
1164         base = devicemap;
1165         break;
1166
1167     case RTL_REGISTRY_SERVICES:
1168         base = services;
1169         break;
1170
1171     case RTL_REGISTRY_USER:
1172         base = user;
1173         break;
1174
1175     case RTL_REGISTRY_WINDOWS_NT:
1176         base = windows_nt;
1177         break;
1178
1179     default:
1180         return STATUS_INVALID_PARAMETER;
1181     }
1182
1183     len = (strlenW(base) + strlenW(Path) + 1) * sizeof(WCHAR);
1184     KeyString.Buffer = RtlAllocateHeap(GetProcessHeap(), 0, len);
1185     if (KeyString.Buffer == NULL)
1186         return STATUS_NO_MEMORY;
1187
1188     strcpyW(KeyString.Buffer, base);
1189     strcatW(KeyString.Buffer, Path);
1190     KeyString.Length = len - sizeof(WCHAR);
1191     KeyString.MaximumLength = len;
1192     InitializeObjectAttributes(&regkey, &KeyString, OBJ_CASE_INSENSITIVE, NULL, NULL);
1193     status = NtOpenKey(handle, KEY_ALL_ACCESS, &regkey);
1194     RtlFreeHeap(GetProcessHeap(), 0, KeyString.Buffer);
1195     return status;
1196 }
1197
1198 /*************************************************************************
1199  * RtlQueryRegistryValues   [NTDLL.@]
1200  *
1201  * Query multiple registry values with a single call.
1202  *
1203  * PARAMS
1204  *  RelativeTo  [I] Registry path that Path refers to
1205  *  Path        [I] Path to key
1206  *  QueryTable  [I] Table of key values to query
1207  *  Context     [I] Parameter to pass to the application defined QueryRoutine function
1208  *  Environment [I] Optional parameter to use when performing expansion
1209  *
1210  * RETURNS
1211  *  STATUS_SUCCESS or an appropriate NTSTATUS error code.
1212  */
1213 NTSTATUS WINAPI RtlQueryRegistryValues(IN ULONG RelativeTo, IN PCWSTR Path,
1214                                        IN PRTL_QUERY_REGISTRY_TABLE QueryTable, IN PVOID Context,
1215                                        IN PVOID Environment OPTIONAL)
1216 {
1217     UNICODE_STRING Value;
1218     HANDLE handle, topkey;
1219     PKEY_VALUE_FULL_INFORMATION pInfo = NULL;
1220     ULONG len, buflen = 0;
1221     NTSTATUS status=STATUS_SUCCESS, ret = STATUS_SUCCESS;
1222     INT i;
1223
1224     TRACE("(%d, %s, %p, %p, %p)\n", RelativeTo, debugstr_w(Path), QueryTable, Context, Environment);
1225
1226     if(Path == NULL)
1227         return STATUS_INVALID_PARAMETER;
1228
1229     /* get a valid handle */
1230     if (RelativeTo & RTL_REGISTRY_HANDLE)
1231         topkey = handle = (HANDLE)Path;
1232     else
1233     {
1234         status = RTL_GetKeyHandle(RelativeTo, Path, &topkey);
1235         handle = topkey;
1236     }
1237     if(status != STATUS_SUCCESS)
1238         return status;
1239
1240     /* Process query table entries */
1241     for (; QueryTable->QueryRoutine != NULL || QueryTable->Name != NULL; ++QueryTable)
1242     {
1243         if (QueryTable->Flags &
1244             (RTL_QUERY_REGISTRY_SUBKEY | RTL_QUERY_REGISTRY_TOPKEY))
1245         {
1246             /* topkey must be kept open just in case we will reuse it later */
1247             if (handle != topkey)
1248                 NtClose(handle);
1249
1250             if (QueryTable->Flags & RTL_QUERY_REGISTRY_SUBKEY)
1251             {
1252                 handle = 0;
1253                 status = RTL_GetKeyHandle(PtrToUlong(QueryTable->Name), Path, &handle);
1254                 if(status != STATUS_SUCCESS)
1255                 {
1256                     ret = status;
1257                     goto out;
1258                 }
1259             }
1260             else
1261                 handle = topkey;
1262         }
1263
1264         if (QueryTable->Flags & RTL_QUERY_REGISTRY_NOVALUE)
1265         {
1266             QueryTable->QueryRoutine(QueryTable->Name, REG_NONE, NULL, 0,
1267                 Context, QueryTable->EntryContext);
1268             continue;
1269         }
1270
1271         if (!handle)
1272         {
1273             if (QueryTable->Flags & RTL_QUERY_REGISTRY_REQUIRED)
1274             {
1275                 ret = STATUS_OBJECT_NAME_NOT_FOUND;
1276                 goto out;
1277             }
1278             continue;
1279         }
1280
1281         if (QueryTable->Name == NULL)
1282         {
1283             if (QueryTable->Flags & RTL_QUERY_REGISTRY_DIRECT)
1284             {
1285                 ret = STATUS_INVALID_PARAMETER;
1286                 goto out;
1287             }
1288
1289             /* Report all subkeys */
1290             for (i = 0;; ++i)
1291             {
1292                 status = NtEnumerateValueKey(handle, i,
1293                     KeyValueFullInformation, pInfo, buflen, &len);
1294                 if (status == STATUS_NO_MORE_ENTRIES)
1295                     break;
1296                 if (status == STATUS_BUFFER_OVERFLOW ||
1297                     status == STATUS_BUFFER_TOO_SMALL)
1298                 {
1299                     buflen = len;
1300                     RtlFreeHeap(GetProcessHeap(), 0, pInfo);
1301                     pInfo = RtlAllocateHeap(GetProcessHeap(), 0, buflen);
1302                     NtEnumerateValueKey(handle, i, KeyValueFullInformation,
1303                         pInfo, buflen, &len);
1304                 }
1305
1306                 status = RTL_ReportRegistryValue(pInfo, QueryTable, Context, Environment);
1307                 if(status != STATUS_SUCCESS && status != STATUS_BUFFER_TOO_SMALL)
1308                 {
1309                     ret = status;
1310                     goto out;
1311                 }
1312                 if (QueryTable->Flags & RTL_QUERY_REGISTRY_DELETE)
1313                 {
1314                     RtlInitUnicodeString(&Value, pInfo->Name);
1315                     NtDeleteValueKey(handle, &Value);
1316                 }
1317             }
1318
1319             if (i == 0  && (QueryTable->Flags & RTL_QUERY_REGISTRY_REQUIRED))
1320             {
1321                 ret = STATUS_OBJECT_NAME_NOT_FOUND;
1322                 goto out;
1323             }
1324         }
1325         else
1326         {
1327             RtlInitUnicodeString(&Value, QueryTable->Name);
1328             status = NtQueryValueKey(handle, &Value, KeyValueFullInformation,
1329                 pInfo, buflen, &len);
1330             if (status == STATUS_BUFFER_OVERFLOW ||
1331                 status == STATUS_BUFFER_TOO_SMALL)
1332             {
1333                 buflen = len;
1334                 RtlFreeHeap(GetProcessHeap(), 0, pInfo);
1335                 pInfo = RtlAllocateHeap(GetProcessHeap(), 0, buflen);
1336                 status = NtQueryValueKey(handle, &Value,
1337                     KeyValueFullInformation, pInfo, buflen, &len);
1338             }
1339             if (status != STATUS_SUCCESS)
1340             {
1341                 if (QueryTable->Flags & RTL_QUERY_REGISTRY_REQUIRED)
1342                 {
1343                     ret = STATUS_OBJECT_NAME_NOT_FOUND;
1344                     goto out;
1345                 }
1346                 status = RTL_ReportRegistryValue(NULL, QueryTable, Context, Environment);
1347                 if(status != STATUS_SUCCESS && status != STATUS_BUFFER_TOO_SMALL)
1348                 {
1349                     ret = status;
1350                     goto out;
1351                 }
1352             }
1353             else
1354             {
1355                 status = RTL_ReportRegistryValue(pInfo, QueryTable, Context, Environment);
1356                 if(status != STATUS_SUCCESS && status != STATUS_BUFFER_TOO_SMALL)
1357                 {
1358                     ret = status;
1359                     goto out;
1360                 }
1361                 if (QueryTable->Flags & RTL_QUERY_REGISTRY_DELETE)
1362                     NtDeleteValueKey(handle, &Value);
1363             }
1364         }
1365     }
1366
1367 out:
1368     RtlFreeHeap(GetProcessHeap(), 0, pInfo);
1369     if (handle != topkey)
1370         NtClose(handle);
1371     NtClose(topkey);
1372     return ret;
1373 }
1374
1375 /*************************************************************************
1376  * RtlCheckRegistryKey   [NTDLL.@]
1377  *
1378  * Query multiple registry values with a single call.
1379  *
1380  * PARAMS
1381  *  RelativeTo [I] Registry path that Path refers to
1382  *  Path       [I] Path to key
1383  *
1384  * RETURNS
1385  *  STATUS_SUCCESS if the specified key exists, or an NTSTATUS error code.
1386  */
1387 NTSTATUS WINAPI RtlCheckRegistryKey(IN ULONG RelativeTo, IN PWSTR Path)
1388 {
1389     HANDLE handle;
1390     NTSTATUS status;
1391
1392     TRACE("(%d, %s)\n", RelativeTo, debugstr_w(Path));
1393
1394     if((!RelativeTo) && Path == NULL)
1395         return STATUS_OBJECT_PATH_SYNTAX_BAD;
1396     if(RelativeTo & RTL_REGISTRY_HANDLE)
1397         return STATUS_SUCCESS;
1398
1399     status = RTL_GetKeyHandle(RelativeTo, Path, &handle);
1400     if (handle) NtClose(handle);
1401     if (status == STATUS_INVALID_HANDLE) status = STATUS_OBJECT_NAME_NOT_FOUND;
1402     return status;
1403 }
1404
1405 /*************************************************************************
1406  * RtlDeleteRegistryValue   [NTDLL.@]
1407  *
1408  * Query multiple registry values with a single call.
1409  *
1410  * PARAMS
1411  *  RelativeTo [I] Registry path that Path refers to
1412  *  Path       [I] Path to key
1413  *  ValueName  [I] Name of the value to delete
1414  *
1415  * RETURNS
1416  *  STATUS_SUCCESS if the specified key is successfully deleted, or an NTSTATUS error code.
1417  */
1418 NTSTATUS WINAPI RtlDeleteRegistryValue(IN ULONG RelativeTo, IN PCWSTR Path, IN PCWSTR ValueName)
1419 {
1420     NTSTATUS status;
1421     HANDLE handle;
1422     UNICODE_STRING Value;
1423
1424     TRACE("(%d, %s, %s)\n", RelativeTo, debugstr_w(Path), debugstr_w(ValueName));
1425
1426     RtlInitUnicodeString(&Value, ValueName);
1427     if(RelativeTo == RTL_REGISTRY_HANDLE)
1428     {
1429         return NtDeleteValueKey((HANDLE)Path, &Value);
1430     }
1431     status = RTL_GetKeyHandle(RelativeTo, Path, &handle);
1432     if (status) return status;
1433     status = NtDeleteValueKey(handle, &Value);
1434     NtClose(handle);
1435     return status;
1436 }
1437
1438 /*************************************************************************
1439  * RtlWriteRegistryValue   [NTDLL.@]
1440  *
1441  * Sets the registry value with provided data.
1442  *
1443  * PARAMS
1444  *  RelativeTo [I] Registry path that path parameter refers to
1445  *  path       [I] Path to the key (or handle - see RTL_GetKeyHandle)
1446  *  name       [I] Name of the registry value to set
1447  *  type       [I] Type of the registry key to set
1448  *  data       [I] Pointer to the user data to be set
1449  *  length     [I] Length of the user data pointed by data
1450  *
1451  * RETURNS
1452  *  STATUS_SUCCESS if the specified key is successfully set,
1453  *  or an NTSTATUS error code.
1454  */
1455 NTSTATUS WINAPI RtlWriteRegistryValue( ULONG RelativeTo, PCWSTR path, PCWSTR name,
1456                                        ULONG type, PVOID data, ULONG length )
1457 {
1458     HANDLE hkey;
1459     NTSTATUS status;
1460     UNICODE_STRING str;
1461
1462     TRACE( "(%d, %s, %s) -> %d: %p [%d]\n", RelativeTo, debugstr_w(path), debugstr_w(name),
1463            type, data, length );
1464
1465     RtlInitUnicodeString( &str, name );
1466
1467     if (RelativeTo == RTL_REGISTRY_HANDLE)
1468         return NtSetValueKey( (HANDLE)path, &str, 0, type, data, length );
1469
1470     status = RTL_GetKeyHandle( RelativeTo, path, &hkey );
1471     if (status != STATUS_SUCCESS) return status;
1472
1473     status = NtSetValueKey( hkey, &str, 0, type, data, length );
1474     NtClose( hkey );
1475
1476     return status;
1477 }
1478
1479 /*************************************************************************
1480  * NtQueryLicenseValue   [NTDLL.@]
1481  *
1482  * NOTES
1483  *  On Windows all license properties are stored in a single key, but
1484  *  unless there is some app which explicitly depends on that, there is
1485  *  no good reason to reproduce that.
1486  */
1487 NTSTATUS WINAPI NtQueryLicenseValue( const UNICODE_STRING *name, ULONG *result_type,
1488                                      PVOID data, ULONG length, ULONG *result_len )
1489 {
1490     static const WCHAR LicenseInformationW[] = {'M','a','c','h','i','n','e','\\',
1491                                                 'S','o','f','t','w','a','r','e','\\',
1492                                                 'W','i','n','e','\\','L','i','c','e','n','s','e',
1493                                                 'I','n','f','o','r','m','a','t','i','o','n',0};
1494     KEY_VALUE_PARTIAL_INFORMATION *info;
1495     NTSTATUS status = STATUS_OBJECT_NAME_NOT_FOUND;
1496     DWORD info_length, count;
1497     OBJECT_ATTRIBUTES attr;
1498     UNICODE_STRING keyW;
1499     HANDLE hkey;
1500
1501     if (!name || !name->Buffer || !name->Length || !result_len)
1502         return STATUS_INVALID_PARAMETER;
1503
1504     info_length = FIELD_OFFSET(KEY_VALUE_PARTIAL_INFORMATION, Data) + length;
1505     info = RtlAllocateHeap( GetProcessHeap(), 0, info_length );
1506     if (!info) return STATUS_NO_MEMORY;
1507
1508     attr.Length = sizeof(attr);
1509     attr.RootDirectory = 0;
1510     attr.ObjectName = &keyW;
1511     attr.Attributes = 0;
1512     attr.SecurityDescriptor = NULL;
1513     attr.SecurityQualityOfService = NULL;
1514     RtlInitUnicodeString( &keyW, LicenseInformationW );
1515
1516     /* @@ Wine registry key: HKLM\Software\Wine\LicenseInformation */
1517     if (!NtOpenKey( &hkey, KEY_READ, &attr ))
1518     {
1519         status = NtQueryValueKey( hkey, name, KeyValuePartialInformation,
1520                                   info, info_length, &count );
1521         if (!status || status == STATUS_BUFFER_OVERFLOW)
1522         {
1523             if (result_type)
1524                 *result_type = info->Type;
1525
1526             *result_len = info->DataLength;
1527
1528             if (status == STATUS_BUFFER_OVERFLOW)
1529                 status = STATUS_BUFFER_TOO_SMALL;
1530             else
1531                 memcpy( data, info->Data, info->DataLength );
1532         }
1533         NtClose( hkey );
1534     }
1535
1536     if (status == STATUS_OBJECT_NAME_NOT_FOUND)
1537         FIXME( "License key %s not found\n", debugstr_w(name->Buffer) );
1538
1539     RtlFreeHeap( GetProcessHeap(), 0, info );
1540     return status;
1541 }