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         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
  82     TRACE("<- %p\n", *retkey);
  83     RtlFreeHeap( GetProcessHeap(), 0, objattr );
  84     return ret;
  85 }
  86
  87 NTSTATUS WINAPI NtCreateKeyTransacted( PHANDLE retkey, ACCESS_MASK access, const OBJECT_ATTRIBUTES *attr,
  88                                        ULONG TitleIndex, const UNICODE_STRING *class, ULONG options,
  89                                        HANDLE transacted, ULONG *dispos )
  90 {
  91     FIXME( "(%p,%s,%s,%x,%x,%p,%p)\n", attr->RootDirectory, debugstr_us(attr->ObjectName),
  92            debugstr_us(class), options, access, transacted, retkey );
  93     return STATUS_NOT_IMPLEMENTED;
  94 }
  95
  96 NTSTATUS WINAPI NtRenameKey( HANDLE handle, UNICODE_STRING *name )
  97 {
  98     FIXME( "(%p %s)\n", handle, debugstr_us(name) );
  99     return STATUS_NOT_IMPLEMENTED;
 100 }
 101
 102 /******************************************************************************
 103  *  RtlpNtCreateKey [NTDLL.@]
 104  *
 105  *  See NtCreateKey.
 106  */
 107 NTSTATUS WINAPI RtlpNtCreateKey( PHANDLE retkey, ACCESS_MASK access, const OBJECT_ATTRIBUTES *attr,
 108                                  ULONG TitleIndex, const UNICODE_STRING *class, ULONG options,
 109                                  PULONG dispos )
 110 {
 111     OBJECT_ATTRIBUTES oa;
 112
 113     if (attr)
 114     {
 115         oa = *attr;
 116         oa.Attributes &= ~(OBJ_PERMANENT|OBJ_EXCLUSIVE);
 117         attr = &oa;
 118     }
 119
 120     return NtCreateKey(retkey, access, attr, 0, NULL, 0, dispos);
 121 }
 122
 123 static NTSTATUS open_key( PHANDLE retkey, ACCESS_MASK access, const OBJECT_ATTRIBUTES *attr, ULONG options )
 124 {
 125     NTSTATUS ret;
 126
 127     if (!retkey || !attr || !attr->ObjectName) return STATUS_ACCESS_VIOLATION;
 128     if ((ret = validate_open_object_attributes( attr ))) return ret;
 129
 130     TRACE( "(%p,%s,%x,%p)\n", attr->RootDirectory,
 131            debugstr_us(attr->ObjectName), access, retkey );
 132     if (options)
 133         FIXME("options %x not implemented\n", options);
 134
 135     SERVER_START_REQ( open_key )
 136     {
 137         req->parent     = wine_server_obj_handle( attr->RootDirectory );
 138         req->access     = access;
 139         req->attributes = attr->Attributes;
 140         wine_server_add_data( req, attr->ObjectName->Buffer, attr->ObjectName->Length );
 141         ret = wine_server_call( req );
 142         *retkey = wine_server_ptr_handle( reply->hkey );
 143     }
 144     SERVER_END_REQ;
 145     TRACE("<- %p\n", *retkey);
 146     return ret;
 147 }
 148
 149 /******************************************************************************
 150  * NtOpenKeyEx [NTDLL.@]
 151  * ZwOpenKeyEx [NTDLL.@]
 152  */
 153 NTSTATUS WINAPI NtOpenKeyEx( PHANDLE retkey, ACCESS_MASK access, const OBJECT_ATTRIBUTES *attr, ULONG options )
 154 {
 155     return open_key( retkey, access, attr, options );
 156 }
 157
 158 /******************************************************************************
 159  * NtOpenKey [NTDLL.@]
 160  * ZwOpenKey [NTDLL.@]
 161  *
 162  *   OUT        HANDLE                  retkey (returns 0 when failure)
 163  *   IN         ACCESS_MASK             access
 164  *   IN         POBJECT_ATTRIBUTES      attr
 165  */
 166 NTSTATUS WINAPI NtOpenKey( PHANDLE retkey, ACCESS_MASK access, const OBJECT_ATTRIBUTES *attr )
 167 {
 168     return open_key( retkey, access, attr, 0 );
 169 }
 170
 171 NTSTATUS WINAPI NtOpenKeyTransactedEx( PHANDLE retkey, ACCESS_MASK access, const OBJECT_ATTRIBUTES *attr,
 172                                        ULONG options, HANDLE transaction )
 173 {
 174     FIXME( "(%p %x %p %x %p)\n", retkey, access, attr, options, transaction );
 175     return STATUS_NOT_IMPLEMENTED;
 176 }
 177
 178 NTSTATUS WINAPI NtOpenKeyTransacted( PHANDLE retkey, ACCESS_MASK access, const OBJECT_ATTRIBUTES *attr,
 179                                      HANDLE transaction )
 180 {
 181     return NtOpenKeyTransactedEx( retkey, access, attr, 0, transaction );
 182 }
 183
 184 /******************************************************************************
 185  * RtlpNtOpenKey [NTDLL.@]
 186  *
 187  * See NtOpenKey.
 188  */
 189 NTSTATUS WINAPI RtlpNtOpenKey( PHANDLE retkey, ACCESS_MASK access, OBJECT_ATTRIBUTES *attr )
 190 {
 191     if (attr)
 192         attr->Attributes &= ~(OBJ_PERMANENT|OBJ_EXCLUSIVE);
 193     return NtOpenKey(retkey, access, attr);
 194 }
 195
 196 /******************************************************************************
 197  * NtDeleteKey [NTDLL.@]
 198  * ZwDeleteKey [NTDLL.@]
 199  */
 200 NTSTATUS WINAPI NtDeleteKey( HANDLE hkey )
 201 {
 202     NTSTATUS ret;
 203
 204     TRACE( "(%p)\n", hkey );
 205
 206     SERVER_START_REQ( delete_key )
 207     {
 208         req->hkey = wine_server_obj_handle( hkey );
 209         ret = wine_server_call( req );
 210     }
 211     SERVER_END_REQ;
 212     return ret;
 213 }
 214
 215 /******************************************************************************
 216  * RtlpNtMakeTemporaryKey [NTDLL.@]
 217  *
 218  *  See NtDeleteKey.
 219  */
 220 NTSTATUS WINAPI RtlpNtMakeTemporaryKey( HANDLE hkey )
 221 {
 222     return NtDeleteKey(hkey);
 223 }
 224
 225 /******************************************************************************
 226  * NtDeleteValueKey [NTDLL.@]
 227  * ZwDeleteValueKey [NTDLL.@]
 228  */
 229 NTSTATUS WINAPI NtDeleteValueKey( HANDLE hkey, const UNICODE_STRING *name )
 230 {
 231     NTSTATUS ret;
 232
 233     TRACE( "(%p,%s)\n", hkey, debugstr_us(name) );
 234     if (name->Length > MAX_VALUE_LENGTH) return STATUS_OBJECT_NAME_NOT_FOUND;
 235
 236     SERVER_START_REQ( delete_key_value )
 237     {
 238         req->hkey = wine_server_obj_handle( hkey );
 239         wine_server_add_data( req, name->Buffer, name->Length );
 240         ret = wine_server_call( req );
 241     }
 242     SERVER_END_REQ;
 243     return ret;
 244 }
 245
 246
 247 /******************************************************************************
 248  *     enumerate_key
 249  *
 250  * Implementation of NtQueryKey and NtEnumerateKey
 251  */
 252 static NTSTATUS enumerate_key( HANDLE handle, int index, KEY_INFORMATION_CLASS info_class,
 253                                void *info, DWORD length, DWORD *result_len )
 254
 255 {
 256     NTSTATUS ret;
 257     void *data_ptr;
 258     size_t fixed_size;
 259
 260     switch(info_class)
 261     {
 262     case KeyBasicInformation:  data_ptr = ((KEY_BASIC_INFORMATION *)info)->Name; break;
 263     case KeyFullInformation:   data_ptr = ((KEY_FULL_INFORMATION *)info)->Class; break;
 264     case KeyNodeInformation:   data_ptr = ((KEY_NODE_INFORMATION *)info)->Name;  break;
 265     case KeyNameInformation:   data_ptr = ((KEY_NAME_INFORMATION *)info)->Name;  break;
 266     case KeyCachedInformation: data_ptr = ((KEY_CACHED_INFORMATION *)info)+1;    break;
 267     default:
 268         FIXME( "Information class %d not implemented\n", info_class );
 269         return STATUS_INVALID_PARAMETER;
 270     }
 271     fixed_size = (char *)data_ptr - (char *)info;
 272
 273     SERVER_START_REQ( enum_key )
 274     {
 275         req->hkey       = wine_server_obj_handle( handle );
 276         req->index      = index;
 277         req->info_class = info_class;
 278         if (length > fixed_size) wine_server_set_reply( req, data_ptr, length - fixed_size );
 279         if (!(ret = wine_server_call( req )))
 280         {
 281             switch(info_class)
 282             {
 283             case KeyBasicInformation:
 284                 {
 285                     KEY_BASIC_INFORMATION keyinfo;
 286                     fixed_size = (char *)keyinfo.Name - (char *)&keyinfo;
 287                     keyinfo.LastWriteTime.QuadPart = reply->modif;
 288                     keyinfo.TitleIndex = 0;
 289                     keyinfo.NameLength = reply->namelen;
 290                     memcpy( info, &keyinfo, min( length, fixed_size ) );
 291                 }
 292                 break;
 293             case KeyFullInformation:
 294                 {
 295                     KEY_FULL_INFORMATION keyinfo;
 296                     fixed_size = (char *)keyinfo.Class - (char *)&keyinfo;
 297                     keyinfo.LastWriteTime.QuadPart = reply->modif;
 298                     keyinfo.TitleIndex = 0;
 299                     keyinfo.ClassLength = wine_server_reply_size(reply);
 300                     keyinfo.ClassOffset = keyinfo.ClassLength ? fixed_size : -1;
 301                     keyinfo.SubKeys = reply->subkeys;
 302                     keyinfo.MaxNameLen = reply->max_subkey;
 303                     keyinfo.MaxClassLen = reply->max_class;
 304                     keyinfo.Values = reply->values;
 305                     keyinfo.MaxValueNameLen = reply->max_value;
 306                     keyinfo.MaxValueDataLen = reply->max_data;
 307                     memcpy( info, &keyinfo, min( length, fixed_size ) );
 308                 }
 309                 break;
 310             case KeyNodeInformation:
 311                 {
 312                     KEY_NODE_INFORMATION keyinfo;
 313                     fixed_size = (char *)keyinfo.Name - (char *)&keyinfo;
 314                     keyinfo.LastWriteTime.QuadPart = reply->modif;
 315                     keyinfo.TitleIndex = 0;
 316                     if (reply->namelen < wine_server_reply_size(reply))
 317                     {
 318                         keyinfo.ClassLength = wine_server_reply_size(reply) - reply->namelen;
 319                         keyinfo.ClassOffset = fixed_size + reply->namelen;
 320                     }
 321                     else
 322                     {
 323                         keyinfo.ClassLength = 0;
 324                         keyinfo.ClassOffset = -1;
 325                     }
 326                     keyinfo.NameLength = reply->namelen;
 327                     memcpy( info, &keyinfo, min( length, fixed_size ) );
 328                 }
 329                 break;
 330             case KeyNameInformation:
 331                 {
 332                     KEY_NAME_INFORMATION keyinfo;
 333                     fixed_size = (char *)keyinfo.Name - (char *)&keyinfo;
 334                     keyinfo.NameLength = reply->namelen;
 335                     memcpy( info, &keyinfo, min( length, fixed_size ) );
 336                 }
 337                 break;
 338             case KeyCachedInformation:
 339                 {
 340                     KEY_CACHED_INFORMATION keyinfo;
 341                     fixed_size = sizeof(keyinfo);
 342                     keyinfo.LastWriteTime.QuadPart = reply->modif;
 343                     keyinfo.TitleIndex = 0;
 344                     keyinfo.SubKeys = reply->subkeys;
 345                     keyinfo.MaxNameLen = reply->max_subkey;
 346                     keyinfo.Values = reply->values;
 347                     keyinfo.MaxValueNameLen = reply->max_value;
 348                     keyinfo.MaxValueDataLen = reply->max_data;
 349                     keyinfo.NameLength = reply->namelen;
 350                     memcpy( info, &keyinfo, min( length, fixed_size ) );
 351                 }
 352                 break;
 353             default:
 354                 break;
 355             }
 356             *result_len = fixed_size + reply->total;
 357             if (length < *result_len) ret = STATUS_BUFFER_OVERFLOW;
 358         }
 359     }
 360     SERVER_END_REQ;
 361     return ret;
 362 }
 363
 364
 365
 366 /******************************************************************************
 367  * NtEnumerateKey [NTDLL.@]
 368  * ZwEnumerateKey [NTDLL.@]
 369  *
 370  * NOTES
 371  *  the name copied into the buffer is NOT 0-terminated
 372  */
 373 NTSTATUS WINAPI NtEnumerateKey( HANDLE handle, ULONG index, KEY_INFORMATION_CLASS info_class,
 374                                 void *info, DWORD length, DWORD *result_len )
 375 {
 376     /* -1 means query key, so avoid it here */
 377     if (index == (ULONG)-1) return STATUS_NO_MORE_ENTRIES;
 378     return enumerate_key( handle, index, info_class, info, length, result_len );
 379 }
 380
 381
 382 /******************************************************************************
 383  * RtlpNtEnumerateSubKey [NTDLL.@]
 384  *
 385  */
 386 NTSTATUS WINAPI RtlpNtEnumerateSubKey( HANDLE handle, UNICODE_STRING *out, ULONG index )
 387 {
 388   KEY_BASIC_INFORMATION *info;
 389   DWORD dwLen, dwResultLen;
 390   NTSTATUS ret;
 391
 392   if (out->Length)
 393   {
 394     dwLen = out->Length + sizeof(KEY_BASIC_INFORMATION);
 395     info = RtlAllocateHeap( GetProcessHeap(), 0, dwLen );
 396     if (!info)
 397       return STATUS_NO_MEMORY;
 398   }
 399   else
 400   {
 401     dwLen = 0;
 402     info = NULL;
 403   }
 404
 405   ret = NtEnumerateKey( handle, index, KeyBasicInformation, info, dwLen, &dwResultLen );
 406   dwResultLen -= sizeof(KEY_BASIC_INFORMATION);
 407
 408   if (ret == STATUS_BUFFER_OVERFLOW)
 409     out->Length = dwResultLen;
 410   else if (!ret)
 411   {
 412     if (out->Length < info->NameLength)
 413     {
 414       out->Length = dwResultLen;
 415       ret = STATUS_BUFFER_OVERFLOW;
 416     }
 417     else
 418     {
 419       out->Length = info->NameLength;
 420       memcpy(out->Buffer, info->Name, info->NameLength);
 421     }
 422   }
 423
 424   RtlFreeHeap( GetProcessHeap(), 0, info );
 425   return ret;
 426 }
 427
 428 /******************************************************************************
 429  * NtQueryKey [NTDLL.@]
 430  * ZwQueryKey [NTDLL.@]
 431  */
 432 NTSTATUS WINAPI NtQueryKey( HANDLE handle, KEY_INFORMATION_CLASS info_class,
 433                             void *info, DWORD length, DWORD *result_len )
 434 {
 435     return enumerate_key( handle, -1, info_class, info, length, result_len );
 436 }
 437
 438
 439 /* fill the key value info structure for a specific info class */
 440 static void copy_key_value_info( KEY_VALUE_INFORMATION_CLASS info_class, void *info,
 441                                  DWORD length, int type, int name_len, int data_len )
 442 {
 443     switch(info_class)
 444     {
 445     case KeyValueBasicInformation:
 446         {
 447             KEY_VALUE_BASIC_INFORMATION keyinfo;
 448             keyinfo.TitleIndex = 0;
 449             keyinfo.Type       = type;
 450             keyinfo.NameLength = name_len;
 451             length = min( length, (char *)keyinfo.Name - (char *)&keyinfo );
 452             memcpy( info, &keyinfo, length );
 453             break;
 454         }
 455     case KeyValueFullInformation:
 456         {
 457             KEY_VALUE_FULL_INFORMATION keyinfo;
 458             keyinfo.TitleIndex = 0;
 459             keyinfo.Type       = type;
 460             keyinfo.DataOffset = (char *)keyinfo.Name - (char *)&keyinfo + name_len;
 461             keyinfo.DataLength = data_len;
 462             keyinfo.NameLength = name_len;
 463             length = min( length, (char *)keyinfo.Name - (char *)&keyinfo );
 464             memcpy( info, &keyinfo, length );
 465             break;
 466         }
 467     case KeyValuePartialInformation:
 468         {
 469             KEY_VALUE_PARTIAL_INFORMATION keyinfo;
 470             keyinfo.TitleIndex = 0;
 471             keyinfo.Type       = type;
 472             keyinfo.DataLength = data_len;
 473             length = min( length, (char *)keyinfo.Data - (char *)&keyinfo );
 474             memcpy( info, &keyinfo, length );
 475             break;
 476         }
 477     default:
 478         break;
 479     }
 480 }
 481
 482
 483 /******************************************************************************
 484  *  NtEnumerateValueKey [NTDLL.@]
 485  *  ZwEnumerateValueKey [NTDLL.@]
 486  */
 487 NTSTATUS WINAPI NtEnumerateValueKey( HANDLE handle, ULONG index,
 488                                      KEY_VALUE_INFORMATION_CLASS info_class,
 489                                      void *info, DWORD length, DWORD *result_len )
 490 {
 491     NTSTATUS ret;
 492     void *ptr;
 493     size_t fixed_size;
 494
 495     TRACE( "(%p,%u,%d,%p,%d)\n", handle, index, info_class, info, length );
 496
 497     /* compute the length we want to retrieve */
 498     switch(info_class)
 499     {
 500     case KeyValueBasicInformation:   ptr = ((KEY_VALUE_BASIC_INFORMATION *)info)->Name; break;
 501     case KeyValueFullInformation:    ptr = ((KEY_VALUE_FULL_INFORMATION *)info)->Name; break;
 502     case KeyValuePartialInformation: ptr = ((KEY_VALUE_PARTIAL_INFORMATION *)info)->Data; break;
 503     default:
 504         FIXME( "Information class %d not implemented\n", info_class );
 505         return STATUS_INVALID_PARAMETER;
 506     }
 507     fixed_size = (char *)ptr - (char *)info;
 508
 509     SERVER_START_REQ( enum_key_value )
 510     {
 511         req->hkey       = wine_server_obj_handle( handle );
 512         req->index      = index;
 513         req->info_class = info_class;
 514         if (length > fixed_size) wine_server_set_reply( req, ptr, length - fixed_size );
 515         if (!(ret = wine_server_call( req )))
 516         {
 517             copy_key_value_info( info_class, info, length, reply->type, reply->namelen,
 518                                  wine_server_reply_size(reply) - reply->namelen );
 519             *result_len = fixed_size + reply->total;
 520             if (length < *result_len) ret = STATUS_BUFFER_OVERFLOW;
 521         }
 522     }
 523     SERVER_END_REQ;
 524     return ret;
 525 }
 526
 527
 528 /******************************************************************************
 529  * NtQueryValueKey [NTDLL.@]
 530  * ZwQueryValueKey [NTDLL.@]
 531  *
 532  * NOTES
 533  *  the name in the KeyValueInformation is never set
 534  */
 535 NTSTATUS WINAPI NtQueryValueKey( HANDLE handle, const UNICODE_STRING *name,
 536                                  KEY_VALUE_INFORMATION_CLASS info_class,
 537                                  void *info, DWORD length, DWORD *result_len )
 538 {
 539     NTSTATUS ret;
 540     UCHAR *data_ptr;
 541     unsigned int fixed_size, min_size;
 542
 543     TRACE( "(%p,%s,%d,%p,%d)\n", handle, debugstr_us(name), info_class, info, length );
 544
 545     if (name->Length > MAX_VALUE_LENGTH) return STATUS_OBJECT_NAME_NOT_FOUND;
 546
 547     /* compute the length we want to retrieve */
 548     switch(info_class)
 549     {
 550     case KeyValueBasicInformation:
 551     {
 552         KEY_VALUE_BASIC_INFORMATION *basic_info = info;
 553         min_size = FIELD_OFFSET(KEY_VALUE_BASIC_INFORMATION, Name);
 554         fixed_size = min_size + name->Length;
 555         if (min_size < length)
 556             memcpy(basic_info->Name, name->Buffer, min(length - min_size, name->Length));
 557         data_ptr = NULL;
 558         break;
 559     }
 560     case KeyValueFullInformation:
 561     {
 562         KEY_VALUE_FULL_INFORMATION *full_info = info;
 563         min_size = FIELD_OFFSET(KEY_VALUE_FULL_INFORMATION, Name);
 564         fixed_size = min_size + name->Length;
 565         if (min_size < length)
 566             memcpy(full_info->Name, name->Buffer, min(length - min_size, name->Length));
 567         data_ptr = (UCHAR *)full_info->Name + name->Length;
 568         break;
 569     }
 570     case KeyValuePartialInformation:
 571         min_size = fixed_size = FIELD_OFFSET(KEY_VALUE_PARTIAL_INFORMATION, Data);
 572         data_ptr = ((KEY_VALUE_PARTIAL_INFORMATION *)info)->Data;
 573         break;
 574     default:
 575         FIXME( "Information class %d not implemented\n", info_class );
 576         return STATUS_INVALID_PARAMETER;
 577     }
 578
 579     SERVER_START_REQ( get_key_value )
 580     {
 581         req->hkey = wine_server_obj_handle( handle );
 582         wine_server_add_data( req, name->Buffer, name->Length );
 583         if (length > fixed_size && data_ptr) wine_server_set_reply( req, data_ptr, length - fixed_size );
 584         if (!(ret = wine_server_call( req )))
 585         {
 586             copy_key_value_info( info_class, info, length, reply->type,
 587                                  name->Length, reply->total );
 588             *result_len = fixed_size + (info_class == KeyValueBasicInformation ? 0 : reply->total);
 589             if (length < min_size) ret = STATUS_BUFFER_TOO_SMALL;
 590             else if (length < *result_len) ret = STATUS_BUFFER_OVERFLOW;
 591         }
 592     }
 593     SERVER_END_REQ;
 594     return ret;
 595 }
 596
 597 /******************************************************************************
 598  * RtlpNtQueryValueKey [NTDLL.@]
 599  *
 600  */
 601 NTSTATUS WINAPI RtlpNtQueryValueKey( HANDLE handle, ULONG *result_type, PBYTE dest,
 602                                      DWORD *result_len, void *unknown )
 603 {
 604     KEY_VALUE_PARTIAL_INFORMATION *info;
 605     UNICODE_STRING name;
 606     NTSTATUS ret;
 607     DWORD dwResultLen;
 608     DWORD dwLen = sizeof (KEY_VALUE_PARTIAL_INFORMATION) + (result_len ? *result_len : 0);
 609
 610     info = RtlAllocateHeap( GetProcessHeap(), 0, dwLen );
 611     if (!info)
 612       return STATUS_NO_MEMORY;
 613
 614     name.Length = 0;
 615     ret = NtQueryValueKey( handle, &name, KeyValuePartialInformation, info, dwLen, &dwResultLen );
 616
 617     if (!ret || ret == STATUS_BUFFER_OVERFLOW)
 618     {
 619         if (result_len)
 620             *result_len = info->DataLength;
 621
 622         if (result_type)
 623             *result_type = info->Type;
 624
 625         if (ret != STATUS_BUFFER_OVERFLOW)
 626             memcpy( dest, info->Data, info->DataLength );
 627     }
 628
 629     RtlFreeHeap( GetProcessHeap(), 0, info );
 630     return ret;
 631 }
 632
 633 /******************************************************************************
 634  *  NtFlushKey  [NTDLL.@]
 635  *  ZwFlushKey  [NTDLL.@]
 636  */
 637 NTSTATUS WINAPI NtFlushKey(HANDLE key)
 638 {
 639     NTSTATUS ret;
 640
 641     TRACE("key=%p\n", key);
 642
 643     SERVER_START_REQ( flush_key )
 644     {
 645         req->hkey = wine_server_obj_handle( key );
 646         ret = wine_server_call( req );
 647     }
 648     SERVER_END_REQ;
 649
 650     return ret;
 651 }
 652
 653 /******************************************************************************
 654  *  NtLoadKey   [NTDLL.@]
 655  *  ZwLoadKey   [NTDLL.@]
 656  */
 657 NTSTATUS WINAPI NtLoadKey( const OBJECT_ATTRIBUTES *attr, OBJECT_ATTRIBUTES *file )
 658 {
 659     NTSTATUS ret;
 660     HANDLE hive;
 661     IO_STATUS_BLOCK io;
 662     data_size_t len;
 663     struct object_attributes *objattr;
 664
 665     TRACE("(%p,%p)\n", attr, file);
 666
 667     ret = NtCreateFile(&hive, GENERIC_READ | SYNCHRONIZE, file, &io, NULL, FILE_ATTRIBUTE_NORMAL, 0,
 668                        FILE_OPEN, 0, NULL, 0);
 669     if (ret) return ret;
 670
 671     if ((ret = alloc_object_attributes( attr, &objattr, &len ))) return ret;
 672
 673     SERVER_START_REQ( load_registry )
 674     {
 675         req->file = wine_server_obj_handle( hive );
 676         wine_server_add_data( req, objattr, len );
 677         ret = wine_server_call( req );
 678     }
 679     SERVER_END_REQ;
 680
 681     NtClose(hive);
 682     RtlFreeHeap( GetProcessHeap(), 0, objattr );
 683     return ret;
 684 }
 685
 686 /******************************************************************************
 687  *  NtNotifyChangeMultipleKeys  [NTDLL.@]
 688  *  ZwNotifyChangeMultipleKeys  [NTDLL.@]
 689  */
 690 NTSTATUS WINAPI NtNotifyChangeMultipleKeys(
 691         HANDLE KeyHandle,
 692         ULONG Count,
 693         OBJECT_ATTRIBUTES *SubordinateObjects,
 694         HANDLE Event,
 695         PIO_APC_ROUTINE ApcRoutine,
 696         PVOID ApcContext,
 697         PIO_STATUS_BLOCK IoStatusBlock,
 698         ULONG CompletionFilter,
 699         BOOLEAN WatchSubtree,
 700         PVOID ChangeBuffer,
 701         ULONG Length,
 702         BOOLEAN Asynchronous)
 703 {
 704     NTSTATUS ret;
 705
 706     TRACE("(%p,%u,%p,%p,%p,%p,%p,0x%08x, 0x%08x,%p,0x%08x,0x%08x)\n",
 707         KeyHandle, Count, SubordinateObjects, Event, ApcRoutine, ApcContext, IoStatusBlock, CompletionFilter,
 708         Asynchronous, ChangeBuffer, Length, WatchSubtree);
 709
 710     if (Count || SubordinateObjects || ApcRoutine || ApcContext || ChangeBuffer || Length)
 711         FIXME("Unimplemented optional parameter\n");
 712
 713     if (!Asynchronous)
 714     {
 715         OBJECT_ATTRIBUTES attr;
 716         InitializeObjectAttributes( &attr, NULL, 0, NULL, NULL );
 717         ret = NtCreateEvent( &Event, EVENT_ALL_ACCESS, &attr, SynchronizationEvent, FALSE );
 718         if (ret != STATUS_SUCCESS)
 719             return ret;
 720     }
 721
 722     SERVER_START_REQ( set_registry_notification )
 723     {
 724         req->hkey    = wine_server_obj_handle( KeyHandle );
 725         req->event   = wine_server_obj_handle( Event );
 726         req->subtree = WatchSubtree;
 727         req->filter  = CompletionFilter;
 728         ret = wine_server_call( req );
 729     }
 730     SERVER_END_REQ;
 731
 732     if (!Asynchronous)
 733     {
 734         if (ret == STATUS_PENDING)
 735             ret = NtWaitForSingleObject( Event, FALSE, NULL );
 736         NtClose( Event );
 737     }
 738
 739     return ret;
 740 }
 741
 742 /******************************************************************************
 743  *  NtNotifyChangeKey   [NTDLL.@]
 744  *  ZwNotifyChangeKey   [NTDLL.@]
 745  */
 746 NTSTATUS WINAPI NtNotifyChangeKey(
 747         IN HANDLE KeyHandle,
 748         IN HANDLE Event,
 749         IN PIO_APC_ROUTINE ApcRoutine OPTIONAL,
 750         IN PVOID ApcContext OPTIONAL,
 751         OUT PIO_STATUS_BLOCK IoStatusBlock,
 752         IN ULONG CompletionFilter,
 753         IN BOOLEAN WatchSubtree,
 754         OUT PVOID ChangeBuffer,
 755         IN ULONG Length,
 756         IN BOOLEAN Asynchronous)
 757 {
 758     return NtNotifyChangeMultipleKeys(KeyHandle, 0, NULL, Event, ApcRoutine, ApcContext,
 759                                       IoStatusBlock, CompletionFilter, WatchSubtree,
 760                                       ChangeBuffer, Length, Asynchronous);
 761 }
 762
 763 /******************************************************************************
 764  * NtQueryMultipleValueKey [NTDLL]
 765  * ZwQueryMultipleValueKey
 766  */
 767
 768 NTSTATUS WINAPI NtQueryMultipleValueKey(
 769         HANDLE KeyHandle,
 770         PKEY_MULTIPLE_VALUE_INFORMATION ListOfValuesToQuery,
 771         ULONG NumberOfItems,
 772         PVOID MultipleValueInformation,
 773         ULONG Length,
 774         PULONG  ReturnLength)
 775 {
 776         FIXME("(%p,%p,0x%08x,%p,0x%08x,%p) stub!\n",
 777         KeyHandle, ListOfValuesToQuery, NumberOfItems, MultipleValueInformation,
 778         Length,ReturnLength);
 779         return STATUS_SUCCESS;
 780 }
 781
 782 /******************************************************************************
 783  * NtReplaceKey [NTDLL.@]
 784  * ZwReplaceKey [NTDLL.@]
 785  */
 786 NTSTATUS WINAPI NtReplaceKey(
 787         IN POBJECT_ATTRIBUTES ObjectAttributes,
 788         IN HANDLE Key,
 789         IN POBJECT_ATTRIBUTES ReplacedObjectAttributes)
 790 {
 791     FIXME("(%s,%p,%s),stub!\n", debugstr_ObjectAttributes(ObjectAttributes), Key,
 792           debugstr_ObjectAttributes(ReplacedObjectAttributes) );
 793     return STATUS_SUCCESS;
 794 }
 795 /******************************************************************************
 796  * NtRestoreKey [NTDLL.@]
 797  * ZwRestoreKey [NTDLL.@]
 798  */
 799 NTSTATUS WINAPI NtRestoreKey(
 800         HANDLE KeyHandle,
 801         HANDLE FileHandle,
 802         ULONG RestoreFlags)
 803 {
 804         FIXME("(%p,%p,0x%08x) stub\n",
 805         KeyHandle, FileHandle, RestoreFlags);
 806         return STATUS_SUCCESS;
 807 }
 808 /******************************************************************************
 809  * NtSaveKey [NTDLL.@]
 810  * ZwSaveKey [NTDLL.@]
 811  */
 812 NTSTATUS WINAPI NtSaveKey(IN HANDLE KeyHandle, IN HANDLE FileHandle)
 813 {
 814     NTSTATUS ret;
 815
 816     TRACE("(%p,%p)\n", KeyHandle, FileHandle);
 817
 818     SERVER_START_REQ( save_registry )
 819     {
 820         req->hkey = wine_server_obj_handle( KeyHandle );
 821         req->file = wine_server_obj_handle( FileHandle );
 822         ret = wine_server_call( req );
 823     }
 824     SERVER_END_REQ;
 825
 826     return ret;
 827 }
 828 /******************************************************************************
 829  * NtSetInformationKey [NTDLL.@]
 830  * ZwSetInformationKey [NTDLL.@]
 831  */
 832 NTSTATUS WINAPI NtSetInformationKey(
 833         IN HANDLE KeyHandle,
 834         IN const int KeyInformationClass,
 835         IN PVOID KeyInformation,
 836         IN ULONG KeyInformationLength)
 837 {
 838         FIXME("(%p,0x%08x,%p,0x%08x) stub\n",
 839         KeyHandle, KeyInformationClass, KeyInformation, KeyInformationLength);
 840         return STATUS_SUCCESS;
 841 }
 842
 843
 844 /******************************************************************************
 845  * NtSetValueKey [NTDLL.@]
 846  * ZwSetValueKey [NTDLL.@]
 847  *
 848  * NOTES
 849  *   win95 does not care about count for REG_SZ and finds out the len by itself (js)
 850  *   NT does definitely care (aj)
 851  */
 852 NTSTATUS WINAPI NtSetValueKey( HANDLE hkey, const UNICODE_STRING *name, ULONG TitleIndex,
 853                                ULONG type, const void *data, ULONG count )
 854 {
 855     NTSTATUS ret;
 856
 857     TRACE( "(%p,%s,%d,%p,%d)\n", hkey, debugstr_us(name), type, data, count );
 858
 859     if (name->Length > MAX_VALUE_LENGTH) return STATUS_INVALID_PARAMETER;
 860
 861     SERVER_START_REQ( set_key_value )
 862     {
 863         req->hkey    = wine_server_obj_handle( hkey );
 864         req->type    = type;
 865         req->namelen = name->Length;
 866         wine_server_add_data( req, name->Buffer, name->Length );
 867         wine_server_add_data( req, data, count );
 868         ret = wine_server_call( req );
 869     }
 870     SERVER_END_REQ;
 871     return ret;
 872 }
 873
 874 /******************************************************************************
 875  * RtlpNtSetValueKey [NTDLL.@]
 876  *
 877  */
 878 NTSTATUS WINAPI RtlpNtSetValueKey( HANDLE hkey, ULONG type, const void *data,
 879                                    ULONG count )
 880 {
 881     UNICODE_STRING name;
 882
 883     name.Length = 0;
 884     return NtSetValueKey( hkey, &name, 0, type, data, count );
 885 }
 886
 887 /******************************************************************************
 888  * NtUnloadKey [NTDLL.@]
 889  * ZwUnloadKey [NTDLL.@]
 890  */
 891 NTSTATUS WINAPI NtUnloadKey(IN POBJECT_ATTRIBUTES attr)
 892 {
 893     NTSTATUS ret;
 894
 895     TRACE("(%p)\n", attr);
 896
 897     SERVER_START_REQ( unload_registry )
 898     {
 899         req->hkey = wine_server_obj_handle( attr->RootDirectory );
 900         ret = wine_server_call(req);
 901     }
 902     SERVER_END_REQ;
 903
 904     return ret;
 905 }
 906
 907 /******************************************************************************
 908  *  RtlFormatCurrentUserKeyPath         [NTDLL.@]
 909  *
 910  */
 911 NTSTATUS WINAPI RtlFormatCurrentUserKeyPath( IN OUT PUNICODE_STRING KeyPath)
 912 {
 913     static const WCHAR pathW[] = {'\\','R','e','g','i','s','t','r','y','\\','U','s','e','r','\\'};
 914     char buffer[sizeof(TOKEN_USER) + sizeof(SID) + sizeof(DWORD)*SID_MAX_SUB_AUTHORITIES];
 915     DWORD len = sizeof(buffer);
 916     NTSTATUS status;
 917
 918     status = NtQueryInformationToken(GetCurrentThreadEffectiveToken(), TokenUser, buffer, len, &len);
 919     if (status == STATUS_SUCCESS)
 920     {
 921         KeyPath->MaximumLength = 0;
 922         status = RtlConvertSidToUnicodeString(KeyPath, ((TOKEN_USER *)buffer)->User.Sid, FALSE);
 923         if (status == STATUS_BUFFER_OVERFLOW)
 924         {
 925             PWCHAR buf = RtlAllocateHeap(GetProcessHeap(), 0,
 926                                          sizeof(pathW) + KeyPath->Length + sizeof(WCHAR));
 927             if (buf)
 928             {
 929                 memcpy(buf, pathW, sizeof(pathW));
 930                 KeyPath->MaximumLength = KeyPath->Length + sizeof(WCHAR);
 931                 KeyPath->Buffer = (PWCHAR)((LPBYTE)buf + sizeof(pathW));
 932                 status = RtlConvertSidToUnicodeString(KeyPath,
 933                                                       ((TOKEN_USER *)buffer)->User.Sid, FALSE);
 934                 KeyPath->Buffer = buf;
 935                 KeyPath->Length += sizeof(pathW);
 936                 KeyPath->MaximumLength += sizeof(pathW);
 937             }
 938             else
 939                 status = STATUS_NO_MEMORY;
 940         }
 941     }
 942     return status;
 943 }
 944
 945 /******************************************************************************
 946  *  RtlOpenCurrentUser          [NTDLL.@]
 947  *
 948  * NOTES
 949  *  If we return just HKEY_CURRENT_USER the advapi tries to find a remote
 950  *  registry (odd handle) and fails.
 951  */
 952 NTSTATUS WINAPI RtlOpenCurrentUser(
 953         IN ACCESS_MASK DesiredAccess, /* [in] */
 954         OUT PHANDLE KeyHandle)        /* [out] handle of HKEY_CURRENT_USER */
 955 {
 956         OBJECT_ATTRIBUTES ObjectAttributes;
 957         UNICODE_STRING ObjectName;
 958         NTSTATUS ret;
 959
 960         TRACE("(0x%08x, %p)\n",DesiredAccess, KeyHandle);
 961
 962         if ((ret = RtlFormatCurrentUserKeyPath(&ObjectName))) return ret;
 963         InitializeObjectAttributes(&ObjectAttributes,&ObjectName,OBJ_CASE_INSENSITIVE,0, NULL);
 964         ret = NtCreateKey(KeyHandle, DesiredAccess, &ObjectAttributes, 0, NULL, 0, NULL);
 965         RtlFreeUnicodeString(&ObjectName);
 966         return ret;
 967 }
 968
 969
 970 static NTSTATUS RTL_ReportRegistryValue(PKEY_VALUE_FULL_INFORMATION pInfo,
 971                                         PRTL_QUERY_REGISTRY_TABLE pQuery, PVOID pContext, PVOID pEnvironment)
 972 {
 973     PUNICODE_STRING str;
 974     UNICODE_STRING src, dst;
 975     LONG *bin;
 976     ULONG offset;
 977     PWSTR wstr;
 978     DWORD res;
 979     NTSTATUS status = STATUS_SUCCESS;
 980     ULONG len;
 981     LPWSTR String;
 982     ULONG count = 0;
 983
 984     if (pInfo == NULL)
 985     {
 986         if (pQuery->Flags & RTL_QUERY_REGISTRY_DIRECT)
 987             return STATUS_INVALID_PARAMETER;
 988         else
 989         {
 990             status = pQuery->QueryRoutine(pQuery->Name, pQuery->DefaultType, pQuery->DefaultData,
 991                                           pQuery->DefaultLength, pContext, pQuery->EntryContext);
 992         }
 993         return status;
 994     }
 995     len = pInfo->DataLength;
 996
 997     if (pQuery->Flags & RTL_QUERY_REGISTRY_DIRECT)
 998     {
 999         str = pQuery->EntryContext;
1000
1001         switch(pInfo->Type)
1002         {
1003         case REG_EXPAND_SZ:
1004             if (!(pQuery->Flags & RTL_QUERY_REGISTRY_NOEXPAND))
1005             {
1006                 RtlInitUnicodeString(&src, (WCHAR*)(((CHAR*)pInfo) + pInfo->DataOffset));
1007                 res = 0;
1008                 dst.MaximumLength = 0;
1009                 RtlExpandEnvironmentStrings_U(pEnvironment, &src, &dst, &res);
1010                 dst.Length = 0;
1011                 dst.MaximumLength = res;
1012                 dst.Buffer = RtlAllocateHeap(GetProcessHeap(), 0, res * sizeof(WCHAR));
1013                 RtlExpandEnvironmentStrings_U(pEnvironment, &src, &dst, &res);
1014                 status = pQuery->QueryRoutine(pQuery->Name, pInfo->Type, dst.Buffer,
1015                                      dst.Length, pContext, pQuery->EntryContext);
1016                 RtlFreeHeap(GetProcessHeap(), 0, dst.Buffer);
1017             }
1018
1019         case REG_SZ:
1020         case REG_LINK:
1021             if (str->Buffer == NULL)
1022                 RtlCreateUnicodeString(str, (WCHAR*)(((CHAR*)pInfo) + pInfo->DataOffset));
1023             else
1024                 RtlAppendUnicodeToString(str, (WCHAR*)(((CHAR*)pInfo) + pInfo->DataOffset));
1025             break;
1026
1027         case REG_MULTI_SZ:
1028             if (!(pQuery->Flags & RTL_QUERY_REGISTRY_NOEXPAND))
1029                 return STATUS_INVALID_PARAMETER;
1030
1031             if (str->Buffer == NULL)
1032             {
1033                 str->Buffer = RtlAllocateHeap(GetProcessHeap(), 0, len);
1034                 str->MaximumLength = len;
1035             }
1036             len = min(len, str->MaximumLength);
1037             memcpy(str->Buffer, ((CHAR*)pInfo) + pInfo->DataOffset, len);
1038             str->Length = len;
1039             break;
1040
1041         default:
1042             bin = pQuery->EntryContext;
1043             if (pInfo->DataLength <= sizeof(ULONG))
1044                 memcpy(bin, ((CHAR*)pInfo) + pInfo->DataOffset,
1045                     pInfo->DataLength);
1046             else
1047             {
1048                 if (bin[0] <= sizeof(ULONG))
1049                 {
1050                     memcpy(&bin[1], ((CHAR*)pInfo) + pInfo->DataOffset,
1051                     min(-bin[0], pInfo->DataLength));
1052                 }
1053                 else
1054                 {
1055                    len = min(bin[0], pInfo->DataLength);
1056                     bin[1] = len;
1057                     bin[2] = pInfo->Type;
1058                     memcpy(&bin[3], ((CHAR*)pInfo) + pInfo->DataOffset, len);
1059                 }
1060            }
1061            break;
1062         }
1063     }
1064     else
1065     {
1066         if((pQuery->Flags & RTL_QUERY_REGISTRY_NOEXPAND) ||
1067            (pInfo->Type != REG_EXPAND_SZ && pInfo->Type != REG_MULTI_SZ))
1068         {
1069             status = pQuery->QueryRoutine(pQuery->Name, pInfo->Type,
1070                 ((CHAR*)pInfo) + pInfo->DataOffset, pInfo->DataLength,
1071                 pContext, pQuery->EntryContext);
1072         }
1073         else if (pInfo->Type == REG_EXPAND_SZ)
1074         {
1075             RtlInitUnicodeString(&src, (WCHAR*)(((CHAR*)pInfo) + pInfo->DataOffset));
1076             res = 0;
1077             dst.MaximumLength = 0;
1078             RtlExpandEnvironmentStrings_U(pEnvironment, &src, &dst, &res);
1079             dst.Length = 0;
1080             dst.MaximumLength = res;
1081             dst.Buffer = RtlAllocateHeap(GetProcessHeap(), 0, res * sizeof(WCHAR));
1082             RtlExpandEnvironmentStrings_U(pEnvironment, &src, &dst, &res);
1083             status = pQuery->QueryRoutine(pQuery->Name, pInfo->Type, dst.Buffer,
1084                                           dst.Length, pContext, pQuery->EntryContext);
1085             RtlFreeHeap(GetProcessHeap(), 0, dst.Buffer);
1086         }
1087         else /* REG_MULTI_SZ */
1088         {
1089             if(pQuery->Flags & RTL_QUERY_REGISTRY_NOEXPAND)
1090             {
1091                 for (offset = 0; offset <= pInfo->DataLength; offset += len + sizeof(WCHAR))
1092                     {
1093                     wstr = (WCHAR*)(((CHAR*)pInfo) + offset);
1094                     len = strlenW(wstr) * sizeof(WCHAR);
1095                     status = pQuery->QueryRoutine(pQuery->Name, pInfo->Type, wstr, len,
1096                         pContext, pQuery->EntryContext);
1097                     if(status != STATUS_SUCCESS && status != STATUS_BUFFER_TOO_SMALL)
1098                         return status;
1099                     }
1100             }
1101             else
1102             {
1103                 while(count<=pInfo->DataLength)
1104                 {
1105                     String = (WCHAR*)(((CHAR*)pInfo) + pInfo->DataOffset)+count;
1106                     count+=strlenW(String)+1;
1107                     RtlInitUnicodeString(&src, (WCHAR*)(((CHAR*)pInfo) + pInfo->DataOffset));
1108                     res = 0;
1109                     dst.MaximumLength = 0;
1110                     RtlExpandEnvironmentStrings_U(pEnvironment, &src, &dst, &res);
1111                     dst.Length = 0;
1112                     dst.MaximumLength = res;
1113                     dst.Buffer = RtlAllocateHeap(GetProcessHeap(), 0, res * sizeof(WCHAR));
1114                     RtlExpandEnvironmentStrings_U(pEnvironment, &src, &dst, &res);
1115                     status = pQuery->QueryRoutine(pQuery->Name, pInfo->Type, dst.Buffer,
1116                                                   dst.Length, pContext, pQuery->EntryContext);
1117                     RtlFreeHeap(GetProcessHeap(), 0, dst.Buffer);
1118                     if(status != STATUS_SUCCESS && status != STATUS_BUFFER_TOO_SMALL)
1119                         return status;
1120                 }
1121             }
1122         }
1123     }
1124     return status;
1125 }
1126
1127
1128 static NTSTATUS RTL_GetKeyHandle(ULONG RelativeTo, PCWSTR Path, PHANDLE handle)
1129 {
1130     UNICODE_STRING KeyString;
1131     OBJECT_ATTRIBUTES regkey;
1132     PCWSTR base;
1133     INT len;
1134     NTSTATUS status;
1135
1136     static const WCHAR empty[] = {0};
1137     static const WCHAR control[] = {'\\','R','e','g','i','s','t','r','y','\\','M','a','c','h','i','n','e',
1138     '\\','S','y','s','t','e','m','\\','C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\\',
1139     'C','o','n','t','r','o','l','\\',0};
1140
1141     static const WCHAR devicemap[] = {'\\','R','e','g','i','s','t','r','y','\\','M','a','c','h','i','n','e','\\',
1142     'H','a','r','d','w','a','r','e','\\','D','e','v','i','c','e','M','a','p','\\',0};
1143
1144     static const WCHAR services[] = {'\\','R','e','g','i','s','t','r','y','\\','M','a','c','h','i','n','e','\\',
1145     'S','y','s','t','e','m','\\','C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\\',
1146     'S','e','r','v','i','c','e','s','\\',0};
1147
1148     static const WCHAR user[] = {'\\','R','e','g','i','s','t','r','y','\\','U','s','e','r','\\',
1149     'C','u','r','r','e','n','t','U','s','e','r','\\',0};
1150
1151     static const WCHAR windows_nt[] = {'\\','R','e','g','i','s','t','r','y','\\','M','a','c','h','i','n','e','\\',
1152     'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\',
1153     'W','i','n','d','o','w','s',' ','N','T','\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',0};
1154
1155     switch (RelativeTo & 0xff)
1156     {
1157     case RTL_REGISTRY_ABSOLUTE:
1158         base = empty;
1159         break;
1160
1161     case RTL_REGISTRY_CONTROL:
1162         base = control;
1163         break;
1164
1165     case RTL_REGISTRY_DEVICEMAP:
1166         base = devicemap;
1167         break;
1168
1169     case RTL_REGISTRY_SERVICES:
1170         base = services;
1171         break;
1172
1173     case RTL_REGISTRY_USER:
1174         base = user;
1175         break;
1176
1177     case RTL_REGISTRY_WINDOWS_NT:
1178         base = windows_nt;
1179         break;
1180
1181     default:
1182         return STATUS_INVALID_PARAMETER;
1183     }
1184
1185     len = (strlenW(base) + strlenW(Path) + 1) * sizeof(WCHAR);
1186     KeyString.Buffer = RtlAllocateHeap(GetProcessHeap(), 0, len);
1187     if (KeyString.Buffer == NULL)
1188         return STATUS_NO_MEMORY;
1189
1190     strcpyW(KeyString.Buffer, base);
1191     strcatW(KeyString.Buffer, Path);
1192     KeyString.Length = len - sizeof(WCHAR);
1193     KeyString.MaximumLength = len;
1194     InitializeObjectAttributes(&regkey, &KeyString, OBJ_CASE_INSENSITIVE, NULL, NULL);
1195     status = NtOpenKey(handle, KEY_ALL_ACCESS, &regkey);
1196     RtlFreeHeap(GetProcessHeap(), 0, KeyString.Buffer);
1197     return status;
1198 }
1199
1200 /*************************************************************************
1201  * RtlQueryRegistryValues   [NTDLL.@]
1202  *
1203  * Query multiple registry values with a single call.
1204  *
1205  * PARAMS
1206  *  RelativeTo  [I] Registry path that Path refers to
1207  *  Path        [I] Path to key
1208  *  QueryTable  [I] Table of key values to query
1209  *  Context     [I] Parameter to pass to the application defined QueryRoutine function
1210  *  Environment [I] Optional parameter to use when performing expansion
1211  *
1212  * RETURNS
1213  *  STATUS_SUCCESS or an appropriate NTSTATUS error code.
1214  */
1215 NTSTATUS WINAPI RtlQueryRegistryValues(IN ULONG RelativeTo, IN PCWSTR Path,
1216                                        IN PRTL_QUERY_REGISTRY_TABLE QueryTable, IN PVOID Context,
1217                                        IN PVOID Environment OPTIONAL)
1218 {
1219     UNICODE_STRING Value;
1220     HANDLE handle, topkey;
1221     PKEY_VALUE_FULL_INFORMATION pInfo = NULL;
1222     ULONG len, buflen = 0;
1223     NTSTATUS status=STATUS_SUCCESS, ret = STATUS_SUCCESS;
1224     INT i;
1225
1226     TRACE("(%d, %s, %p, %p, %p)\n", RelativeTo, debugstr_w(Path), QueryTable, Context, Environment);
1227
1228     if(Path == NULL)
1229         return STATUS_INVALID_PARAMETER;
1230
1231     /* get a valid handle */
1232     if (RelativeTo & RTL_REGISTRY_HANDLE)
1233         topkey = handle = (HANDLE)Path;
1234     else
1235     {
1236         status = RTL_GetKeyHandle(RelativeTo, Path, &topkey);
1237         handle = topkey;
1238     }
1239     if(status != STATUS_SUCCESS)
1240         return status;
1241
1242     /* Process query table entries */
1243     for (; QueryTable->QueryRoutine != NULL || QueryTable->Name != NULL; ++QueryTable)
1244     {
1245         if (QueryTable->Flags &
1246             (RTL_QUERY_REGISTRY_SUBKEY | RTL_QUERY_REGISTRY_TOPKEY))
1247         {
1248             /* topkey must be kept open just in case we will reuse it later */
1249             if (handle != topkey)
1250                 NtClose(handle);
1251
1252             if (QueryTable->Flags & RTL_QUERY_REGISTRY_SUBKEY)
1253             {
1254                 handle = 0;
1255                 status = RTL_GetKeyHandle(PtrToUlong(QueryTable->Name), Path, &handle);
1256                 if(status != STATUS_SUCCESS)
1257                 {
1258                     ret = status;
1259                     goto out;
1260                 }
1261             }
1262             else
1263                 handle = topkey;
1264         }
1265
1266         if (QueryTable->Flags & RTL_QUERY_REGISTRY_NOVALUE)
1267         {
1268             QueryTable->QueryRoutine(QueryTable->Name, REG_NONE, NULL, 0,
1269                 Context, QueryTable->EntryContext);
1270             continue;
1271         }
1272
1273         if (!handle)
1274         {
1275             if (QueryTable->Flags & RTL_QUERY_REGISTRY_REQUIRED)
1276             {
1277                 ret = STATUS_OBJECT_NAME_NOT_FOUND;
1278                 goto out;
1279             }
1280             continue;
1281         }
1282
1283         if (QueryTable->Name == NULL)
1284         {
1285             if (QueryTable->Flags & RTL_QUERY_REGISTRY_DIRECT)
1286             {
1287                 ret = STATUS_INVALID_PARAMETER;
1288                 goto out;
1289             }
1290
1291             /* Report all subkeys */
1292             for (i = 0;; ++i)
1293             {
1294                 status = NtEnumerateValueKey(handle, i,
1295                     KeyValueFullInformation, pInfo, buflen, &len);
1296                 if (status == STATUS_NO_MORE_ENTRIES)
1297                     break;
1298                 if (status == STATUS_BUFFER_OVERFLOW ||
1299                     status == STATUS_BUFFER_TOO_SMALL)
1300                 {
1301                     buflen = len;
1302                     RtlFreeHeap(GetProcessHeap(), 0, pInfo);
1303                     pInfo = RtlAllocateHeap(GetProcessHeap(), 0, buflen);
1304                     NtEnumerateValueKey(handle, i, KeyValueFullInformation,
1305                         pInfo, buflen, &len);
1306                 }
1307
1308                 status = RTL_ReportRegistryValue(pInfo, QueryTable, Context, Environment);
1309                 if(status != STATUS_SUCCESS && status != STATUS_BUFFER_TOO_SMALL)
1310                 {
1311                     ret = status;
1312                     goto out;
1313                 }
1314                 if (QueryTable->Flags & RTL_QUERY_REGISTRY_DELETE)
1315                 {
1316                     RtlInitUnicodeString(&Value, pInfo->Name);
1317                     NtDeleteValueKey(handle, &Value);
1318                 }
1319             }
1320
1321             if (i == 0  && (QueryTable->Flags & RTL_QUERY_REGISTRY_REQUIRED))
1322             {
1323                 ret = STATUS_OBJECT_NAME_NOT_FOUND;
1324                 goto out;
1325             }
1326         }
1327         else
1328         {
1329             RtlInitUnicodeString(&Value, QueryTable->Name);
1330             status = NtQueryValueKey(handle, &Value, KeyValueFullInformation,
1331                 pInfo, buflen, &len);
1332             if (status == STATUS_BUFFER_OVERFLOW ||
1333                 status == STATUS_BUFFER_TOO_SMALL)
1334             {
1335                 buflen = len;
1336                 RtlFreeHeap(GetProcessHeap(), 0, pInfo);
1337                 pInfo = RtlAllocateHeap(GetProcessHeap(), 0, buflen);
1338                 status = NtQueryValueKey(handle, &Value,
1339                     KeyValueFullInformation, pInfo, buflen, &len);
1340             }
1341             if (status != STATUS_SUCCESS)
1342             {
1343                 if (QueryTable->Flags & RTL_QUERY_REGISTRY_REQUIRED)
1344                 {
1345                     ret = STATUS_OBJECT_NAME_NOT_FOUND;
1346                     goto out;
1347                 }
1348                 status = RTL_ReportRegistryValue(NULL, QueryTable, Context, Environment);
1349                 if(status != STATUS_SUCCESS && status != STATUS_BUFFER_TOO_SMALL)
1350                 {
1351                     ret = status;
1352                     goto out;
1353                 }
1354             }
1355             else
1356             {
1357                 status = RTL_ReportRegistryValue(pInfo, QueryTable, Context, Environment);
1358                 if(status != STATUS_SUCCESS && status != STATUS_BUFFER_TOO_SMALL)
1359                 {
1360                     ret = status;
1361                     goto out;
1362                 }
1363                 if (QueryTable->Flags & RTL_QUERY_REGISTRY_DELETE)
1364                     NtDeleteValueKey(handle, &Value);
1365             }
1366         }
1367     }
1368
1369 out:
1370     RtlFreeHeap(GetProcessHeap(), 0, pInfo);
1371     if (handle != topkey)
1372         NtClose(handle);
1373     NtClose(topkey);
1374     return ret;
1375 }
1376
1377 /*************************************************************************
1378  * RtlCheckRegistryKey   [NTDLL.@]
1379  *
1380  * Query multiple registry values with a single call.
1381  *
1382  * PARAMS
1383  *  RelativeTo [I] Registry path that Path refers to
1384  *  Path       [I] Path to key
1385  *
1386  * RETURNS
1387  *  STATUS_SUCCESS if the specified key exists, or an NTSTATUS error code.
1388  */
1389 NTSTATUS WINAPI RtlCheckRegistryKey(IN ULONG RelativeTo, IN PWSTR Path)
1390 {
1391     HANDLE handle;
1392     NTSTATUS status;
1393
1394     TRACE("(%d, %s)\n", RelativeTo, debugstr_w(Path));
1395
1396     if((!RelativeTo) && Path == NULL)
1397         return STATUS_OBJECT_PATH_SYNTAX_BAD;
1398     if(RelativeTo & RTL_REGISTRY_HANDLE)
1399         return STATUS_SUCCESS;
1400
1401     status = RTL_GetKeyHandle(RelativeTo, Path, &handle);
1402     if (handle) NtClose(handle);
1403     if (status == STATUS_INVALID_HANDLE) status = STATUS_OBJECT_NAME_NOT_FOUND;
1404     return status;
1405 }
1406
1407 /*************************************************************************
1408  * RtlDeleteRegistryValue   [NTDLL.@]
1409  *
1410  * Query multiple registry values with a single call.
1411  *
1412  * PARAMS
1413  *  RelativeTo [I] Registry path that Path refers to
1414  *  Path       [I] Path to key
1415  *  ValueName  [I] Name of the value to delete
1416  *
1417  * RETURNS
1418  *  STATUS_SUCCESS if the specified key is successfully deleted, or an NTSTATUS error code.
1419  */
1420 NTSTATUS WINAPI RtlDeleteRegistryValue(IN ULONG RelativeTo, IN PCWSTR Path, IN PCWSTR ValueName)
1421 {
1422     NTSTATUS status;
1423     HANDLE handle;
1424     UNICODE_STRING Value;
1425
1426     TRACE("(%d, %s, %s)\n", RelativeTo, debugstr_w(Path), debugstr_w(ValueName));
1427
1428     RtlInitUnicodeString(&Value, ValueName);
1429     if(RelativeTo == RTL_REGISTRY_HANDLE)
1430     {
1431         return NtDeleteValueKey((HANDLE)Path, &Value);
1432     }
1433     status = RTL_GetKeyHandle(RelativeTo, Path, &handle);
1434     if (status) return status;
1435     status = NtDeleteValueKey(handle, &Value);
1436     NtClose(handle);
1437     return status;
1438 }
1439
1440 /*************************************************************************
1441  * RtlWriteRegistryValue   [NTDLL.@]
1442  *
1443  * Sets the registry value with provided data.
1444  *
1445  * PARAMS
1446  *  RelativeTo [I] Registry path that path parameter refers to
1447  *  path       [I] Path to the key (or handle - see RTL_GetKeyHandle)
1448  *  name       [I] Name of the registry value to set
1449  *  type       [I] Type of the registry key to set
1450  *  data       [I] Pointer to the user data to be set
1451  *  length     [I] Length of the user data pointed by data
1452  *
1453  * RETURNS
1454  *  STATUS_SUCCESS if the specified key is successfully set,
1455  *  or an NTSTATUS error code.
1456  */
1457 NTSTATUS WINAPI RtlWriteRegistryValue( ULONG RelativeTo, PCWSTR path, PCWSTR name,
1458                                        ULONG type, PVOID data, ULONG length )
1459 {
1460     HANDLE hkey;
1461     NTSTATUS status;
1462     UNICODE_STRING str;
1463
1464     TRACE( "(%d, %s, %s) -> %d: %p [%d]\n", RelativeTo, debugstr_w(path), debugstr_w(name),
1465            type, data, length );
1466
1467     RtlInitUnicodeString( &str, name );
1468
1469     if (RelativeTo == RTL_REGISTRY_HANDLE)
1470         return NtSetValueKey( (HANDLE)path, &str, 0, type, data, length );
1471
1472     status = RTL_GetKeyHandle( RelativeTo, path, &hkey );
1473     if (status != STATUS_SUCCESS) return status;
1474
1475     status = NtSetValueKey( hkey, &str, 0, type, data, length );
1476     NtClose( hkey );
1477
1478     return status;
1479 }
1480
1481 /*************************************************************************
1482  * NtQueryLicenseValue   [NTDLL.@]
1483  *
1484  * NOTES
1485  *  On Windows all license properties are stored in a single key, but
1486  *  unless there is some app which explicitly depends on that, there is
1487  *  no good reason to reproduce that.
1488  */
1489 NTSTATUS WINAPI NtQueryLicenseValue( const UNICODE_STRING *name, ULONG *result_type,
1490                                      PVOID data, ULONG length, ULONG *result_len )
1491 {
1492     static const WCHAR LicenseInformationW[] = {'M','a','c','h','i','n','e','\\',
1493                                                 'S','o','f','t','w','a','r','e','\\',
1494                                                 'W','i','n','e','\\','L','i','c','e','n','s','e',
1495                                                 'I','n','f','o','r','m','a','t','i','o','n',0};
1496     KEY_VALUE_PARTIAL_INFORMATION *info;
1497     NTSTATUS status = STATUS_OBJECT_NAME_NOT_FOUND;
1498     DWORD info_length, count;
1499     OBJECT_ATTRIBUTES attr;
1500     UNICODE_STRING keyW;
1501     HANDLE hkey;
1502
1503     if (!name || !name->Buffer || !name->Length || !result_len)
1504         return STATUS_INVALID_PARAMETER;
1505
1506     info_length = FIELD_OFFSET(KEY_VALUE_PARTIAL_INFORMATION, Data) + length;
1507     info = RtlAllocateHeap( GetProcessHeap(), 0, info_length );
1508     if (!info) return STATUS_NO_MEMORY;
1509
1510     attr.Length = sizeof(attr);
1511     attr.RootDirectory = 0;
1512     attr.ObjectName = &keyW;
1513     attr.Attributes = 0;
1514     attr.SecurityDescriptor = NULL;
1515     attr.SecurityQualityOfService = NULL;
1516     RtlInitUnicodeString( &keyW, LicenseInformationW );
1517
1518     /* @@ Wine registry key: HKLM\Software\Wine\LicenseInformation */
1519     if (!NtOpenKey( &hkey, KEY_READ, &attr ))
1520     {
1521         status = NtQueryValueKey( hkey, name, KeyValuePartialInformation,
1522                                   info, info_length, &count );
1523         if (!status || status == STATUS_BUFFER_OVERFLOW)
1524         {
1525             if (result_type)
1526                 *result_type = info->Type;
1527
1528             *result_len = info->DataLength;
1529
1530             if (status == STATUS_BUFFER_OVERFLOW)
1531                 status = STATUS_BUFFER_TOO_SMALL;
1532             else
1533                 memcpy( data, info->Data, info->DataLength );
1534         }
1535         NtClose( hkey );
1536     }
1537
1538     if (status == STATUS_OBJECT_NAME_NOT_FOUND)
1539         FIXME( "License key %s not found\n", debugstr_w(name->Buffer) );
1540
1541     RtlFreeHeap( GetProcessHeap(), 0, info );
1542     return status;
1543 }