2750 lines
90 KiB
C
2750 lines
90 KiB
C
/*
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* Registry management
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*
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* Copyright (C) 1999 Alexandre Julliard
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*
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* Based on misc/registry.c code
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* Copyright (C) 1996 Marcus Meissner
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* Copyright (C) 1998 Matthew Becker
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* Copyright (C) 1999 Sylvain St-Germain
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <stdlib.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include "ntstatus.h"
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#define WIN32_NO_STATUS
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#include "windef.h"
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#include "winbase.h"
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#include "winreg.h"
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#include "winerror.h"
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#include "winternl.h"
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#include "winuser.h"
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#include "wine/unicode.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(reg);
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#define HKEY_SPECIAL_ROOT_FIRST HKEY_CLASSES_ROOT
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#define HKEY_SPECIAL_ROOT_LAST HKEY_DYN_DATA
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#define NB_SPECIAL_ROOT_KEYS ((UINT_PTR)HKEY_SPECIAL_ROOT_LAST - (UINT_PTR)HKEY_SPECIAL_ROOT_FIRST + 1)
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static HKEY special_root_keys[NB_SPECIAL_ROOT_KEYS];
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static BOOL hkcu_cache_disabled;
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static const WCHAR name_CLASSES_ROOT[] =
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{'M','a','c','h','i','n','e','\\',
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'S','o','f','t','w','a','r','e','\\',
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'C','l','a','s','s','e','s',0};
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static const WCHAR name_LOCAL_MACHINE[] =
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{'M','a','c','h','i','n','e',0};
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static const WCHAR name_USERS[] =
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{'U','s','e','r',0};
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static const WCHAR name_PERFORMANCE_DATA[] =
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{'P','e','r','f','D','a','t','a',0};
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static const WCHAR name_CURRENT_CONFIG[] =
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{'M','a','c','h','i','n','e','\\',
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'S','y','s','t','e','m','\\',
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'C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\\',
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'H','a','r','d','w','a','r','e',' ','P','r','o','f','i','l','e','s','\\',
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'C','u','r','r','e','n','t',0};
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static const WCHAR name_DYN_DATA[] =
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{'D','y','n','D','a','t','a',0};
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static const WCHAR * const root_key_names[NB_SPECIAL_ROOT_KEYS] =
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{
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name_CLASSES_ROOT,
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NULL, /* HKEY_CURRENT_USER is determined dynamically */
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name_LOCAL_MACHINE,
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name_USERS,
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name_PERFORMANCE_DATA,
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name_CURRENT_CONFIG,
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name_DYN_DATA
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};
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/* check if value type needs string conversion (Ansi<->Unicode) */
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static inline int is_string( DWORD type )
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{
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return (type == REG_SZ) || (type == REG_EXPAND_SZ) || (type == REG_MULTI_SZ);
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}
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/* check if current version is NT or Win95 */
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static inline int is_version_nt(void)
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{
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return !(GetVersion() & 0x80000000);
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}
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/* create one of the HKEY_* special root keys */
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static HKEY create_special_root_hkey( HANDLE hkey, DWORD access )
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{
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HKEY ret = 0;
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int idx = (UINT_PTR)hkey - (UINT_PTR)HKEY_SPECIAL_ROOT_FIRST;
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if (hkey == HKEY_CURRENT_USER)
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{
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if (RtlOpenCurrentUser( access, &hkey )) return 0;
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TRACE( "HKEY_CURRENT_USER -> %p\n", hkey );
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/* don't cache the key in the table if caching is disabled */
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if (hkcu_cache_disabled)
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return hkey;
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}
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else
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{
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OBJECT_ATTRIBUTES attr;
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UNICODE_STRING name;
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attr.Length = sizeof(attr);
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attr.RootDirectory = 0;
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attr.ObjectName = &name;
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attr.Attributes = 0;
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attr.SecurityDescriptor = NULL;
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attr.SecurityQualityOfService = NULL;
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RtlInitUnicodeString( &name, root_key_names[idx] );
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if (NtCreateKey( &hkey, access, &attr, 0, NULL, 0, NULL )) return 0;
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TRACE( "%s -> %p\n", debugstr_w(attr.ObjectName->Buffer), hkey );
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}
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if (!(ret = InterlockedCompareExchangePointer( (void **)&special_root_keys[idx], hkey, 0 )))
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ret = hkey;
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else
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NtClose( hkey ); /* somebody beat us to it */
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return ret;
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}
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/* map the hkey from special root to normal key if necessary */
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static inline HKEY get_special_root_hkey( HKEY hkey )
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{
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HKEY ret = hkey;
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if ((hkey >= HKEY_SPECIAL_ROOT_FIRST) && (hkey <= HKEY_SPECIAL_ROOT_LAST))
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{
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if (!(ret = special_root_keys[(UINT_PTR)hkey - (UINT_PTR)HKEY_SPECIAL_ROOT_FIRST]))
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ret = create_special_root_hkey( hkey, MAXIMUM_ALLOWED );
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}
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return ret;
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}
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/******************************************************************************
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* RegOverridePredefKey [ADVAPI32.@]
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*/
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LSTATUS WINAPI RegOverridePredefKey( HKEY hkey, HKEY override )
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{
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HKEY old_key;
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int idx;
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if ((hkey < HKEY_SPECIAL_ROOT_FIRST) || (hkey > HKEY_SPECIAL_ROOT_LAST))
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return ERROR_INVALID_PARAMETER;
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idx = (UINT_PTR)hkey - (UINT_PTR)HKEY_SPECIAL_ROOT_FIRST;
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if (override)
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{
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NTSTATUS status = NtDuplicateObject( GetCurrentProcess(), override,
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GetCurrentProcess(), (HANDLE *)&override,
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0, 0, DUPLICATE_SAME_ACCESS );
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if (status) return RtlNtStatusToDosError( status );
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}
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old_key = InterlockedExchangePointer( (void **)&special_root_keys[idx], override );
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if (old_key) NtClose( old_key );
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return ERROR_SUCCESS;
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}
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/******************************************************************************
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* RegCreateKeyExW [ADVAPI32.@]
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*
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* See RegCreateKeyExA.
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*/
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LSTATUS WINAPI RegCreateKeyExW( HKEY hkey, LPCWSTR name, DWORD reserved, LPWSTR class,
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DWORD options, REGSAM access, SECURITY_ATTRIBUTES *sa,
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PHKEY retkey, LPDWORD dispos )
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{
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OBJECT_ATTRIBUTES attr;
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UNICODE_STRING nameW, classW;
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if (reserved) return ERROR_INVALID_PARAMETER;
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if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
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attr.Length = sizeof(attr);
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attr.RootDirectory = hkey;
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attr.ObjectName = &nameW;
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attr.Attributes = 0;
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attr.SecurityDescriptor = NULL;
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attr.SecurityQualityOfService = NULL;
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RtlInitUnicodeString( &nameW, name );
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RtlInitUnicodeString( &classW, class );
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return RtlNtStatusToDosError( NtCreateKey( (PHANDLE)retkey, access, &attr, 0,
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&classW, options, dispos ) );
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}
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/******************************************************************************
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* RegCreateKeyExA [ADVAPI32.@]
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*
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* Open a registry key, creating it if it doesn't exist.
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*
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* PARAMS
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* hkey [I] Handle of the parent registry key
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* name [I] Name of the new key to open or create
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* reserved [I] Reserved, pass 0
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* class [I] The object type of the new key
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* options [I] Flags controlling the key creation (REG_OPTION_* flags from "winnt.h")
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* access [I] Access level desired
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* sa [I] Security attributes for the key
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* retkey [O] Destination for the resulting handle
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* dispos [O] Receives REG_CREATED_NEW_KEY or REG_OPENED_EXISTING_KEY
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*
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* RETURNS
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* Success: ERROR_SUCCESS.
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* Failure: A standard Win32 error code. retkey remains untouched.
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*
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* FIXME
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* MAXIMUM_ALLOWED in access mask not supported by server
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*/
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LSTATUS WINAPI RegCreateKeyExA( HKEY hkey, LPCSTR name, DWORD reserved, LPSTR class,
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DWORD options, REGSAM access, SECURITY_ATTRIBUTES *sa,
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PHKEY retkey, LPDWORD dispos )
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{
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OBJECT_ATTRIBUTES attr;
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UNICODE_STRING classW;
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ANSI_STRING nameA, classA;
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NTSTATUS status;
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if (reserved) return ERROR_INVALID_PARAMETER;
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if (!is_version_nt())
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{
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access = MAXIMUM_ALLOWED; /* Win95 ignores the access mask */
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if (name && *name == '\\') name++; /* win9x,ME ignores one (and only one) beginning backslash */
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}
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if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
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attr.Length = sizeof(attr);
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attr.RootDirectory = hkey;
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attr.ObjectName = &NtCurrentTeb()->StaticUnicodeString;
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attr.Attributes = 0;
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attr.SecurityDescriptor = NULL;
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attr.SecurityQualityOfService = NULL;
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RtlInitAnsiString( &nameA, name );
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RtlInitAnsiString( &classA, class );
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if (!(status = RtlAnsiStringToUnicodeString( &NtCurrentTeb()->StaticUnicodeString,
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&nameA, FALSE )))
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{
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if (!(status = RtlAnsiStringToUnicodeString( &classW, &classA, TRUE )))
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{
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status = NtCreateKey( (PHANDLE)retkey, access, &attr, 0, &classW, options, dispos );
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RtlFreeUnicodeString( &classW );
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}
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}
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return RtlNtStatusToDosError( status );
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}
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/******************************************************************************
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* RegCreateKeyW [ADVAPI32.@]
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*
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* Creates the specified reg key.
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*
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* PARAMS
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* hKey [I] Handle to an open key.
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* lpSubKey [I] Name of a key that will be opened or created.
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* phkResult [O] Receives a handle to the opened or created key.
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*
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* RETURNS
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* Success: ERROR_SUCCESS
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* Failure: nonzero error code defined in Winerror.h
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*/
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LSTATUS WINAPI RegCreateKeyW( HKEY hkey, LPCWSTR lpSubKey, PHKEY phkResult )
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{
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/* FIXME: previous implementation converted ERROR_INVALID_HANDLE to ERROR_BADKEY, */
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/* but at least my version of NT (4.0 SP5) doesn't do this. -- AJ */
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return RegCreateKeyExW( hkey, lpSubKey, 0, NULL, REG_OPTION_NON_VOLATILE,
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MAXIMUM_ALLOWED, NULL, phkResult, NULL );
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}
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/******************************************************************************
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* RegCreateKeyA [ADVAPI32.@]
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*
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* See RegCreateKeyW.
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*/
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LSTATUS WINAPI RegCreateKeyA( HKEY hkey, LPCSTR lpSubKey, PHKEY phkResult )
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{
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return RegCreateKeyExA( hkey, lpSubKey, 0, NULL, REG_OPTION_NON_VOLATILE,
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MAXIMUM_ALLOWED, NULL, phkResult, NULL );
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}
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/******************************************************************************
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* RegOpenKeyExW [ADVAPI32.@]
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*
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* See RegOpenKeyExA.
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*/
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LSTATUS WINAPI RegOpenKeyExW( HKEY hkey, LPCWSTR name, DWORD reserved, REGSAM access, PHKEY retkey )
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{
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OBJECT_ATTRIBUTES attr;
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UNICODE_STRING nameW;
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/* NT+ allows beginning backslash for HKEY_CLASSES_ROOT */
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if (hkey == HKEY_CLASSES_ROOT && name && *name == '\\') name++;
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if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
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attr.Length = sizeof(attr);
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attr.RootDirectory = hkey;
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attr.ObjectName = &nameW;
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attr.Attributes = 0;
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attr.SecurityDescriptor = NULL;
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attr.SecurityQualityOfService = NULL;
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RtlInitUnicodeString( &nameW, name );
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return RtlNtStatusToDosError( NtOpenKey( (PHANDLE)retkey, access, &attr ) );
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}
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/******************************************************************************
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* RegOpenKeyExA [ADVAPI32.@]
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*
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* Open a registry key.
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*
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* PARAMS
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* hkey [I] Handle of open key
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* name [I] Name of subkey to open
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* reserved [I] Reserved - must be zero
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* access [I] Security access mask
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* retkey [O] Handle to open key
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*
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* RETURNS
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* Success: ERROR_SUCCESS
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* Failure: A standard Win32 error code. retkey is set to 0.
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*
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* NOTES
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* Unlike RegCreateKeyExA(), this function will not create the key if it
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* does not exist.
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*/
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LSTATUS WINAPI RegOpenKeyExA( HKEY hkey, LPCSTR name, DWORD reserved, REGSAM access, PHKEY retkey )
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{
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OBJECT_ATTRIBUTES attr;
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STRING nameA;
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NTSTATUS status;
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if (!is_version_nt()) access = MAXIMUM_ALLOWED; /* Win95 ignores the access mask */
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else
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{
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/* NT+ allows beginning backslash for HKEY_CLASSES_ROOT */
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if (hkey == HKEY_CLASSES_ROOT && name && *name == '\\') name++;
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}
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if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
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attr.Length = sizeof(attr);
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attr.RootDirectory = hkey;
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attr.ObjectName = &NtCurrentTeb()->StaticUnicodeString;
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attr.Attributes = 0;
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attr.SecurityDescriptor = NULL;
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attr.SecurityQualityOfService = NULL;
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RtlInitAnsiString( &nameA, name );
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if (!(status = RtlAnsiStringToUnicodeString( &NtCurrentTeb()->StaticUnicodeString,
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&nameA, FALSE )))
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{
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status = NtOpenKey( (PHANDLE)retkey, access, &attr );
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}
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return RtlNtStatusToDosError( status );
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}
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/******************************************************************************
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* RegOpenKeyW [ADVAPI32.@]
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*
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* See RegOpenKeyA.
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*/
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LSTATUS WINAPI RegOpenKeyW( HKEY hkey, LPCWSTR name, PHKEY retkey )
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{
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if (!retkey)
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return ERROR_INVALID_PARAMETER;
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if (!name || !*name)
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{
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*retkey = hkey;
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return ERROR_SUCCESS;
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}
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return RegOpenKeyExW( hkey, name, 0, MAXIMUM_ALLOWED, retkey );
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}
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/******************************************************************************
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* RegOpenKeyA [ADVAPI32.@]
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*
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* Open a registry key.
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*
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* PARAMS
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* hkey [I] Handle of parent key to open the new key under
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* name [I] Name of the key under hkey to open
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* retkey [O] Destination for the resulting Handle
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*
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* RETURNS
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* Success: ERROR_SUCCESS
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* Failure: A standard Win32 error code. When retkey is valid, *retkey is set to 0.
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*/
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LSTATUS WINAPI RegOpenKeyA( HKEY hkey, LPCSTR name, PHKEY retkey )
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{
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if (!retkey)
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return ERROR_INVALID_PARAMETER;
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if (!name || !*name)
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{
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*retkey = hkey;
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return ERROR_SUCCESS;
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}
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return RegOpenKeyExA( hkey, name, 0, MAXIMUM_ALLOWED, retkey );
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}
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|
|
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/******************************************************************************
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* RegOpenCurrentUser [ADVAPI32.@]
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*
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* Get a handle to the HKEY_CURRENT_USER key for the user
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* the current thread is impersonating.
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*
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* PARAMS
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* access [I] Desired access rights to the key
|
|
* retkey [O] Handle to the opened key
|
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*
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* RETURNS
|
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* Success: ERROR_SUCCESS
|
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* Failure: nonzero error code from Winerror.h
|
|
*
|
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* FIXME
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* This function is supposed to retrieve a handle to the
|
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* HKEY_CURRENT_USER for the user the current thread is impersonating.
|
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* Since Wine does not currently allow threads to impersonate other users,
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* this stub should work fine.
|
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*/
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LSTATUS WINAPI RegOpenCurrentUser( REGSAM access, PHKEY retkey )
|
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{
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return RegOpenKeyExA( HKEY_CURRENT_USER, "", 0, access, retkey );
|
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}
|
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|
|
|
|
|
|
/******************************************************************************
|
|
* RegEnumKeyExW [ADVAPI32.@]
|
|
*
|
|
* Enumerate subkeys of the specified open registry key.
|
|
*
|
|
* PARAMS
|
|
* hkey [I] Handle to key to enumerate
|
|
* index [I] Index of subkey to enumerate
|
|
* name [O] Buffer for subkey name
|
|
* name_len [O] Size of subkey buffer
|
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* reserved [I] Reserved
|
|
* class [O] Buffer for class string
|
|
* class_len [O] Size of class buffer
|
|
* ft [O] Time key last written to
|
|
*
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* RETURNS
|
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* Success: ERROR_SUCCESS
|
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* Failure: System error code. If there are no more subkeys available, the
|
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* function returns ERROR_NO_MORE_ITEMS.
|
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*/
|
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LSTATUS WINAPI RegEnumKeyExW( HKEY hkey, DWORD index, LPWSTR name, LPDWORD name_len,
|
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LPDWORD reserved, LPWSTR class, LPDWORD class_len, FILETIME *ft )
|
|
{
|
|
NTSTATUS status;
|
|
char buffer[256], *buf_ptr = buffer;
|
|
KEY_NODE_INFORMATION *info = (KEY_NODE_INFORMATION *)buffer;
|
|
DWORD total_size;
|
|
|
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TRACE( "(%p,%d,%p,%p(%u),%p,%p,%p,%p)\n", hkey, index, name, name_len,
|
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name_len ? *name_len : 0, reserved, class, class_len, ft );
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|
|
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if (reserved) return ERROR_INVALID_PARAMETER;
|
|
if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
|
|
|
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status = NtEnumerateKey( hkey, index, KeyNodeInformation,
|
|
buffer, sizeof(buffer), &total_size );
|
|
|
|
while (status == STATUS_BUFFER_OVERFLOW)
|
|
{
|
|
/* retry with a dynamically allocated buffer */
|
|
if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
|
|
if (!(buf_ptr = HeapAlloc( GetProcessHeap(), 0, total_size )))
|
|
return ERROR_NOT_ENOUGH_MEMORY;
|
|
info = (KEY_NODE_INFORMATION *)buf_ptr;
|
|
status = NtEnumerateKey( hkey, index, KeyNodeInformation,
|
|
buf_ptr, total_size, &total_size );
|
|
}
|
|
|
|
if (!status)
|
|
{
|
|
DWORD len = info->NameLength / sizeof(WCHAR);
|
|
DWORD cls_len = info->ClassLength / sizeof(WCHAR);
|
|
|
|
if (ft) *ft = *(FILETIME *)&info->LastWriteTime;
|
|
|
|
if (len >= *name_len || (class && class_len && (cls_len >= *class_len)))
|
|
status = STATUS_BUFFER_OVERFLOW;
|
|
else
|
|
{
|
|
*name_len = len;
|
|
memcpy( name, info->Name, info->NameLength );
|
|
name[len] = 0;
|
|
if (class_len)
|
|
{
|
|
*class_len = cls_len;
|
|
if (class)
|
|
{
|
|
memcpy( class, buf_ptr + info->ClassOffset, info->ClassLength );
|
|
class[cls_len] = 0;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
|
|
return RtlNtStatusToDosError( status );
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* RegEnumKeyExA [ADVAPI32.@]
|
|
*
|
|
* See RegEnumKeyExW.
|
|
*/
|
|
LSTATUS WINAPI RegEnumKeyExA( HKEY hkey, DWORD index, LPSTR name, LPDWORD name_len,
|
|
LPDWORD reserved, LPSTR class, LPDWORD class_len, FILETIME *ft )
|
|
{
|
|
NTSTATUS status;
|
|
char buffer[256], *buf_ptr = buffer;
|
|
KEY_NODE_INFORMATION *info = (KEY_NODE_INFORMATION *)buffer;
|
|
DWORD total_size;
|
|
|
|
TRACE( "(%p,%d,%p,%p(%u),%p,%p,%p,%p)\n", hkey, index, name, name_len,
|
|
name_len ? *name_len : 0, reserved, class, class_len, ft );
|
|
|
|
if (reserved) return ERROR_INVALID_PARAMETER;
|
|
if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
|
|
|
|
status = NtEnumerateKey( hkey, index, KeyNodeInformation,
|
|
buffer, sizeof(buffer), &total_size );
|
|
|
|
while (status == STATUS_BUFFER_OVERFLOW)
|
|
{
|
|
/* retry with a dynamically allocated buffer */
|
|
if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
|
|
if (!(buf_ptr = HeapAlloc( GetProcessHeap(), 0, total_size )))
|
|
return ERROR_NOT_ENOUGH_MEMORY;
|
|
info = (KEY_NODE_INFORMATION *)buf_ptr;
|
|
status = NtEnumerateKey( hkey, index, KeyNodeInformation,
|
|
buf_ptr, total_size, &total_size );
|
|
}
|
|
|
|
if (!status)
|
|
{
|
|
DWORD len, cls_len;
|
|
|
|
RtlUnicodeToMultiByteSize( &len, info->Name, info->NameLength );
|
|
RtlUnicodeToMultiByteSize( &cls_len, (WCHAR *)(buf_ptr + info->ClassOffset),
|
|
info->ClassLength );
|
|
if (ft) *ft = *(FILETIME *)&info->LastWriteTime;
|
|
|
|
if (len >= *name_len || (class && class_len && (cls_len >= *class_len)))
|
|
status = STATUS_BUFFER_OVERFLOW;
|
|
else
|
|
{
|
|
*name_len = len;
|
|
RtlUnicodeToMultiByteN( name, len, NULL, info->Name, info->NameLength );
|
|
name[len] = 0;
|
|
if (class_len)
|
|
{
|
|
*class_len = cls_len;
|
|
if (class)
|
|
{
|
|
RtlUnicodeToMultiByteN( class, cls_len, NULL,
|
|
(WCHAR *)(buf_ptr + info->ClassOffset),
|
|
info->ClassLength );
|
|
class[cls_len] = 0;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
|
|
return RtlNtStatusToDosError( status );
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* RegEnumKeyW [ADVAPI32.@]
|
|
*
|
|
* Enumerates subkeys of the specified open reg key.
|
|
*
|
|
* PARAMS
|
|
* hKey [I] Handle to an open key.
|
|
* dwIndex [I] Index of the subkey of hKey to retrieve.
|
|
* lpName [O] Name of the subkey.
|
|
* cchName [I] Size of lpName in TCHARS.
|
|
*
|
|
* RETURNS
|
|
* Success: ERROR_SUCCESS
|
|
* Failure: system error code. If there are no more subkeys available, the
|
|
* function returns ERROR_NO_MORE_ITEMS.
|
|
*/
|
|
LSTATUS WINAPI RegEnumKeyW( HKEY hkey, DWORD index, LPWSTR name, DWORD name_len )
|
|
{
|
|
return RegEnumKeyExW( hkey, index, name, &name_len, NULL, NULL, NULL, NULL );
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* RegEnumKeyA [ADVAPI32.@]
|
|
*
|
|
* See RegEnumKeyW.
|
|
*/
|
|
LSTATUS WINAPI RegEnumKeyA( HKEY hkey, DWORD index, LPSTR name, DWORD name_len )
|
|
{
|
|
return RegEnumKeyExA( hkey, index, name, &name_len, NULL, NULL, NULL, NULL );
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* RegQueryInfoKeyW [ADVAPI32.@]
|
|
*
|
|
* Retrieves information about the specified registry key.
|
|
*
|
|
* PARAMS
|
|
* hkey [I] Handle to key to query
|
|
* class [O] Buffer for class string
|
|
* class_len [O] Size of class string buffer
|
|
* reserved [I] Reserved
|
|
* subkeys [O] Buffer for number of subkeys
|
|
* max_subkey [O] Buffer for longest subkey name length
|
|
* max_class [O] Buffer for longest class string length
|
|
* values [O] Buffer for number of value entries
|
|
* max_value [O] Buffer for longest value name length
|
|
* max_data [O] Buffer for longest value data length
|
|
* security [O] Buffer for security descriptor length
|
|
* modif [O] Modification time
|
|
*
|
|
* RETURNS
|
|
* Success: ERROR_SUCCESS
|
|
* Failure: system error code.
|
|
*
|
|
* NOTES
|
|
* - win95 allows class to be valid and class_len to be NULL
|
|
* - winnt returns ERROR_INVALID_PARAMETER if class is valid and class_len is NULL
|
|
* - both allow class to be NULL and class_len to be NULL
|
|
* (it's hard to test validity, so test !NULL instead)
|
|
*/
|
|
LSTATUS WINAPI RegQueryInfoKeyW( HKEY hkey, LPWSTR class, LPDWORD class_len, LPDWORD reserved,
|
|
LPDWORD subkeys, LPDWORD max_subkey, LPDWORD max_class,
|
|
LPDWORD values, LPDWORD max_value, LPDWORD max_data,
|
|
LPDWORD security, FILETIME *modif )
|
|
{
|
|
NTSTATUS status;
|
|
char buffer[256], *buf_ptr = buffer;
|
|
KEY_FULL_INFORMATION *info = (KEY_FULL_INFORMATION *)buffer;
|
|
DWORD total_size;
|
|
|
|
TRACE( "(%p,%p,%d,%p,%p,%p,%p,%p,%p,%p,%p)\n", hkey, class, class_len ? *class_len : 0,
|
|
reserved, subkeys, max_subkey, values, max_value, max_data, security, modif );
|
|
|
|
if (class && !class_len && is_version_nt()) return ERROR_INVALID_PARAMETER;
|
|
if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
|
|
|
|
status = NtQueryKey( hkey, KeyFullInformation, buffer, sizeof(buffer), &total_size );
|
|
if (status && status != STATUS_BUFFER_OVERFLOW) goto done;
|
|
|
|
if (class)
|
|
{
|
|
/* retry with a dynamically allocated buffer */
|
|
while (status == STATUS_BUFFER_OVERFLOW)
|
|
{
|
|
if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
|
|
if (!(buf_ptr = HeapAlloc( GetProcessHeap(), 0, total_size )))
|
|
return ERROR_NOT_ENOUGH_MEMORY;
|
|
info = (KEY_FULL_INFORMATION *)buf_ptr;
|
|
status = NtQueryKey( hkey, KeyFullInformation, buf_ptr, total_size, &total_size );
|
|
}
|
|
|
|
if (status) goto done;
|
|
|
|
if (class_len && (info->ClassLength/sizeof(WCHAR) + 1 > *class_len))
|
|
{
|
|
status = STATUS_BUFFER_OVERFLOW;
|
|
}
|
|
else
|
|
{
|
|
memcpy( class, buf_ptr + info->ClassOffset, info->ClassLength );
|
|
class[info->ClassLength/sizeof(WCHAR)] = 0;
|
|
}
|
|
}
|
|
else status = STATUS_SUCCESS;
|
|
|
|
if (class_len) *class_len = info->ClassLength / sizeof(WCHAR);
|
|
if (subkeys) *subkeys = info->SubKeys;
|
|
if (max_subkey) *max_subkey = info->MaxNameLen;
|
|
if (max_class) *max_class = info->MaxClassLen;
|
|
if (values) *values = info->Values;
|
|
if (max_value) *max_value = info->MaxValueNameLen;
|
|
if (max_data) *max_data = info->MaxValueDataLen;
|
|
if (modif) *modif = *(FILETIME *)&info->LastWriteTime;
|
|
|
|
done:
|
|
if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
|
|
return RtlNtStatusToDosError( status );
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* RegQueryMultipleValuesA [ADVAPI32.@]
|
|
*
|
|
* Retrieves the type and data for a list of value names associated with a key.
|
|
*
|
|
* PARAMS
|
|
* hKey [I] Handle to an open key.
|
|
* val_list [O] Array of VALENT structures that describes the entries.
|
|
* num_vals [I] Number of elements in val_list.
|
|
* lpValueBuf [O] Pointer to a buffer that receives the data for each value.
|
|
* ldwTotsize [I/O] Size of lpValueBuf.
|
|
*
|
|
* RETURNS
|
|
* Success: ERROR_SUCCESS. ldwTotsize contains num bytes copied.
|
|
* Failure: nonzero error code from Winerror.h ldwTotsize contains num needed
|
|
* bytes.
|
|
*/
|
|
LSTATUS WINAPI RegQueryMultipleValuesA( HKEY hkey, PVALENTA val_list, DWORD num_vals,
|
|
LPSTR lpValueBuf, LPDWORD ldwTotsize )
|
|
{
|
|
unsigned int i;
|
|
DWORD maxBytes = *ldwTotsize;
|
|
HRESULT status;
|
|
LPSTR bufptr = lpValueBuf;
|
|
*ldwTotsize = 0;
|
|
|
|
TRACE("(%p,%p,%d,%p,%p=%d)\n", hkey, val_list, num_vals, lpValueBuf, ldwTotsize, *ldwTotsize);
|
|
|
|
for(i=0; i < num_vals; ++i)
|
|
{
|
|
|
|
val_list[i].ve_valuelen=0;
|
|
status = RegQueryValueExA(hkey, val_list[i].ve_valuename, NULL, NULL, NULL, &val_list[i].ve_valuelen);
|
|
if(status != ERROR_SUCCESS)
|
|
{
|
|
return status;
|
|
}
|
|
|
|
if(lpValueBuf != NULL && *ldwTotsize + val_list[i].ve_valuelen <= maxBytes)
|
|
{
|
|
status = RegQueryValueExA(hkey, val_list[i].ve_valuename, NULL, &val_list[i].ve_type,
|
|
(LPBYTE)bufptr, &val_list[i].ve_valuelen);
|
|
if(status != ERROR_SUCCESS)
|
|
{
|
|
return status;
|
|
}
|
|
|
|
val_list[i].ve_valueptr = (DWORD_PTR)bufptr;
|
|
|
|
bufptr += val_list[i].ve_valuelen;
|
|
}
|
|
|
|
*ldwTotsize += val_list[i].ve_valuelen;
|
|
}
|
|
return lpValueBuf != NULL && *ldwTotsize <= maxBytes ? ERROR_SUCCESS : ERROR_MORE_DATA;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* RegQueryMultipleValuesW [ADVAPI32.@]
|
|
*
|
|
* See RegQueryMultipleValuesA.
|
|
*/
|
|
LSTATUS WINAPI RegQueryMultipleValuesW( HKEY hkey, PVALENTW val_list, DWORD num_vals,
|
|
LPWSTR lpValueBuf, LPDWORD ldwTotsize )
|
|
{
|
|
unsigned int i;
|
|
DWORD maxBytes = *ldwTotsize;
|
|
HRESULT status;
|
|
LPSTR bufptr = (LPSTR)lpValueBuf;
|
|
*ldwTotsize = 0;
|
|
|
|
TRACE("(%p,%p,%d,%p,%p=%d)\n", hkey, val_list, num_vals, lpValueBuf, ldwTotsize, *ldwTotsize);
|
|
|
|
for(i=0; i < num_vals; ++i)
|
|
{
|
|
val_list[i].ve_valuelen=0;
|
|
status = RegQueryValueExW(hkey, val_list[i].ve_valuename, NULL, NULL, NULL, &val_list[i].ve_valuelen);
|
|
if(status != ERROR_SUCCESS)
|
|
{
|
|
return status;
|
|
}
|
|
|
|
if(lpValueBuf != NULL && *ldwTotsize + val_list[i].ve_valuelen <= maxBytes)
|
|
{
|
|
status = RegQueryValueExW(hkey, val_list[i].ve_valuename, NULL, &val_list[i].ve_type,
|
|
(LPBYTE)bufptr, &val_list[i].ve_valuelen);
|
|
if(status != ERROR_SUCCESS)
|
|
{
|
|
return status;
|
|
}
|
|
|
|
val_list[i].ve_valueptr = (DWORD_PTR)bufptr;
|
|
|
|
bufptr += val_list[i].ve_valuelen;
|
|
}
|
|
|
|
*ldwTotsize += val_list[i].ve_valuelen;
|
|
}
|
|
return lpValueBuf != NULL && *ldwTotsize <= maxBytes ? ERROR_SUCCESS : ERROR_MORE_DATA;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* RegQueryInfoKeyA [ADVAPI32.@]
|
|
*
|
|
* Retrieves information about a registry key.
|
|
*
|
|
* PARAMS
|
|
* hKey [I] Handle to an open key.
|
|
* lpClass [O] Class string of the key.
|
|
* lpcClass [I/O] size of lpClass.
|
|
* lpReserved [I] Reserved; must be NULL.
|
|
* lpcSubKeys [O] Number of subkeys contained by the key.
|
|
* lpcMaxSubKeyLen [O] Size of the key's subkey with the longest name.
|
|
* lpcMaxClassLen [O] Size of the longest string specifying a subkey
|
|
* class in TCHARS.
|
|
* lpcValues [O] Number of values associated with the key.
|
|
* lpcMaxValueNameLen [O] Size of the key's longest value name in TCHARS.
|
|
* lpcMaxValueLen [O] Longest data component among the key's values
|
|
* lpcbSecurityDescriptor [O] Size of the key's security descriptor.
|
|
* lpftLastWriteTime [O] FILETIME structure that is the last write time.
|
|
*
|
|
* RETURNS
|
|
* Success: ERROR_SUCCESS
|
|
* Failure: nonzero error code from Winerror.h
|
|
*/
|
|
LSTATUS WINAPI RegQueryInfoKeyA( HKEY hkey, LPSTR class, LPDWORD class_len, LPDWORD reserved,
|
|
LPDWORD subkeys, LPDWORD max_subkey, LPDWORD max_class,
|
|
LPDWORD values, LPDWORD max_value, LPDWORD max_data,
|
|
LPDWORD security, FILETIME *modif )
|
|
{
|
|
NTSTATUS status;
|
|
char buffer[256], *buf_ptr = buffer;
|
|
KEY_FULL_INFORMATION *info = (KEY_FULL_INFORMATION *)buffer;
|
|
DWORD total_size, len;
|
|
|
|
TRACE( "(%p,%p,%d,%p,%p,%p,%p,%p,%p,%p,%p)\n", hkey, class, class_len ? *class_len : 0,
|
|
reserved, subkeys, max_subkey, values, max_value, max_data, security, modif );
|
|
|
|
if (class && !class_len && is_version_nt()) return ERROR_INVALID_PARAMETER;
|
|
if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
|
|
|
|
status = NtQueryKey( hkey, KeyFullInformation, buffer, sizeof(buffer), &total_size );
|
|
if (status && status != STATUS_BUFFER_OVERFLOW) goto done;
|
|
|
|
if (class || class_len)
|
|
{
|
|
/* retry with a dynamically allocated buffer */
|
|
while (status == STATUS_BUFFER_OVERFLOW)
|
|
{
|
|
if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
|
|
if (!(buf_ptr = HeapAlloc( GetProcessHeap(), 0, total_size )))
|
|
return ERROR_NOT_ENOUGH_MEMORY;
|
|
info = (KEY_FULL_INFORMATION *)buf_ptr;
|
|
status = NtQueryKey( hkey, KeyFullInformation, buf_ptr, total_size, &total_size );
|
|
}
|
|
|
|
if (status) goto done;
|
|
|
|
RtlUnicodeToMultiByteSize( &len, (WCHAR *)(buf_ptr + info->ClassOffset), info->ClassLength);
|
|
if (class_len)
|
|
{
|
|
if (len + 1 > *class_len) status = STATUS_BUFFER_OVERFLOW;
|
|
*class_len = len;
|
|
}
|
|
if (class && !status)
|
|
{
|
|
RtlUnicodeToMultiByteN( class, len, NULL, (WCHAR *)(buf_ptr + info->ClassOffset),
|
|
info->ClassLength );
|
|
class[len] = 0;
|
|
}
|
|
}
|
|
else status = STATUS_SUCCESS;
|
|
|
|
if (subkeys) *subkeys = info->SubKeys;
|
|
if (max_subkey) *max_subkey = info->MaxNameLen;
|
|
if (max_class) *max_class = info->MaxClassLen;
|
|
if (values) *values = info->Values;
|
|
if (max_value) *max_value = info->MaxValueNameLen;
|
|
if (max_data) *max_data = info->MaxValueDataLen;
|
|
if (modif) *modif = *(FILETIME *)&info->LastWriteTime;
|
|
|
|
done:
|
|
if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
|
|
return RtlNtStatusToDosError( status );
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* RegCloseKey [ADVAPI32.@]
|
|
*
|
|
* Close an open registry key.
|
|
*
|
|
* PARAMS
|
|
* hkey [I] Handle of key to close
|
|
*
|
|
* RETURNS
|
|
* Success: ERROR_SUCCESS
|
|
* Failure: Error code
|
|
*/
|
|
LSTATUS WINAPI RegCloseKey( HKEY hkey )
|
|
{
|
|
if (!hkey) return ERROR_INVALID_HANDLE;
|
|
if (hkey >= (HKEY)0x80000000) return ERROR_SUCCESS;
|
|
return RtlNtStatusToDosError( NtClose( hkey ) );
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* RegDeleteKeyW [ADVAPI32.@]
|
|
*
|
|
* See RegDeleteKeyA.
|
|
*/
|
|
LSTATUS WINAPI RegDeleteKeyW( HKEY hkey, LPCWSTR name )
|
|
{
|
|
DWORD ret;
|
|
HKEY tmp;
|
|
|
|
if (!name) return ERROR_INVALID_PARAMETER;
|
|
|
|
if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
|
|
|
|
if (!(ret = RegOpenKeyExW( hkey, name, 0, DELETE, &tmp )))
|
|
{
|
|
ret = RtlNtStatusToDosError( NtDeleteKey( tmp ) );
|
|
RegCloseKey( tmp );
|
|
}
|
|
TRACE("%s ret=%08x\n", debugstr_w(name), ret);
|
|
return ret;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* RegDeleteKeyA [ADVAPI32.@]
|
|
*
|
|
* Delete a registry key.
|
|
*
|
|
* PARAMS
|
|
* hkey [I] Handle to parent key containing the key to delete
|
|
* name [I] Name of the key user hkey to delete
|
|
*
|
|
* NOTES
|
|
*
|
|
* MSDN is wrong when it says that hkey must be opened with the DELETE access
|
|
* right. In reality, it opens a new handle with DELETE access.
|
|
*
|
|
* RETURNS
|
|
* Success: ERROR_SUCCESS
|
|
* Failure: Error code
|
|
*/
|
|
LSTATUS WINAPI RegDeleteKeyA( HKEY hkey, LPCSTR name )
|
|
{
|
|
DWORD ret;
|
|
HKEY tmp;
|
|
|
|
if (!name) return ERROR_INVALID_PARAMETER;
|
|
|
|
if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
|
|
|
|
if (!(ret = RegOpenKeyExA( hkey, name, 0, DELETE, &tmp )))
|
|
{
|
|
if (!is_version_nt()) /* win95 does recursive key deletes */
|
|
{
|
|
CHAR name[MAX_PATH];
|
|
|
|
while(!RegEnumKeyA(tmp, 0, name, sizeof(name)))
|
|
{
|
|
if(RegDeleteKeyA(tmp, name)) /* recurse */
|
|
break;
|
|
}
|
|
}
|
|
ret = RtlNtStatusToDosError( NtDeleteKey( tmp ) );
|
|
RegCloseKey( tmp );
|
|
}
|
|
TRACE("%s ret=%08x\n", debugstr_a(name), ret);
|
|
return ret;
|
|
}
|
|
|
|
|
|
|
|
/******************************************************************************
|
|
* RegSetValueExW [ADVAPI32.@]
|
|
*
|
|
* Set the data and contents of a registry value.
|
|
*
|
|
* PARAMS
|
|
* hkey [I] Handle of key to set value for
|
|
* name [I] Name of value to set
|
|
* reserved [I] Reserved, must be zero
|
|
* type [I] Type of the value being set
|
|
* data [I] The new contents of the value to set
|
|
* count [I] Size of data
|
|
*
|
|
* RETURNS
|
|
* Success: ERROR_SUCCESS
|
|
* Failure: Error code
|
|
*/
|
|
LSTATUS WINAPI RegSetValueExW( HKEY hkey, LPCWSTR name, DWORD reserved,
|
|
DWORD type, CONST BYTE *data, DWORD count )
|
|
{
|
|
UNICODE_STRING nameW;
|
|
|
|
/* no need for version check, not implemented on win9x anyway */
|
|
if (count && is_string(type))
|
|
{
|
|
LPCWSTR str = (LPCWSTR)data;
|
|
/* if user forgot to count terminating null, add it (yes NT does this) */
|
|
if (str[count / sizeof(WCHAR) - 1] && !str[count / sizeof(WCHAR)])
|
|
count += sizeof(WCHAR);
|
|
}
|
|
if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
|
|
|
|
RtlInitUnicodeString( &nameW, name );
|
|
return RtlNtStatusToDosError( NtSetValueKey( hkey, &nameW, 0, type, data, count ) );
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* RegSetValueExA [ADVAPI32.@]
|
|
*
|
|
* See RegSetValueExW.
|
|
*
|
|
* NOTES
|
|
* win95 does not care about count for REG_SZ and finds out the len by itself (js)
|
|
* NT does definitely care (aj)
|
|
*/
|
|
LSTATUS WINAPI RegSetValueExA( HKEY hkey, LPCSTR name, DWORD reserved, DWORD type,
|
|
CONST BYTE *data, DWORD count )
|
|
{
|
|
ANSI_STRING nameA;
|
|
WCHAR *dataW = NULL;
|
|
NTSTATUS status;
|
|
|
|
if (!is_version_nt()) /* win95 */
|
|
{
|
|
if (type == REG_SZ)
|
|
{
|
|
if (!data) return ERROR_INVALID_PARAMETER;
|
|
count = strlen((const char *)data) + 1;
|
|
}
|
|
}
|
|
else if (count && is_string(type))
|
|
{
|
|
/* if user forgot to count terminating null, add it (yes NT does this) */
|
|
if (data[count-1] && !data[count]) count++;
|
|
}
|
|
|
|
if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
|
|
|
|
if (is_string( type )) /* need to convert to Unicode */
|
|
{
|
|
DWORD lenW;
|
|
RtlMultiByteToUnicodeSize( &lenW, (const char *)data, count );
|
|
if (!(dataW = HeapAlloc( GetProcessHeap(), 0, lenW ))) return ERROR_OUTOFMEMORY;
|
|
RtlMultiByteToUnicodeN( dataW, lenW, NULL, (const char *)data, count );
|
|
count = lenW;
|
|
data = (BYTE *)dataW;
|
|
}
|
|
|
|
RtlInitAnsiString( &nameA, name );
|
|
if (!(status = RtlAnsiStringToUnicodeString( &NtCurrentTeb()->StaticUnicodeString,
|
|
&nameA, FALSE )))
|
|
{
|
|
status = NtSetValueKey( hkey, &NtCurrentTeb()->StaticUnicodeString, 0, type, data, count );
|
|
}
|
|
HeapFree( GetProcessHeap(), 0, dataW );
|
|
return RtlNtStatusToDosError( status );
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* RegSetValueW [ADVAPI32.@]
|
|
*
|
|
* Sets the data for the default or unnamed value of a reg key.
|
|
*
|
|
* PARAMS
|
|
* hKey [I] Handle to an open key.
|
|
* lpSubKey [I] Name of a subkey of hKey.
|
|
* dwType [I] Type of information to store.
|
|
* lpData [I] String that contains the data to set for the default value.
|
|
* cbData [I] Ignored.
|
|
*
|
|
* RETURNS
|
|
* Success: ERROR_SUCCESS
|
|
* Failure: nonzero error code from Winerror.h
|
|
*/
|
|
LSTATUS WINAPI RegSetValueW( HKEY hkey, LPCWSTR name, DWORD type, LPCWSTR data, DWORD count )
|
|
{
|
|
HKEY subkey = hkey;
|
|
DWORD ret;
|
|
|
|
TRACE("(%p,%s,%d,%s,%d)\n", hkey, debugstr_w(name), type, debugstr_w(data), count );
|
|
|
|
if (type != REG_SZ || !data) return ERROR_INVALID_PARAMETER;
|
|
|
|
if (name && name[0]) /* need to create the subkey */
|
|
{
|
|
if ((ret = RegCreateKeyW( hkey, name, &subkey )) != ERROR_SUCCESS) return ret;
|
|
}
|
|
|
|
ret = RegSetValueExW( subkey, NULL, 0, REG_SZ, (const BYTE*)data,
|
|
(strlenW( data ) + 1) * sizeof(WCHAR) );
|
|
if (subkey != hkey) RegCloseKey( subkey );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* RegSetValueA [ADVAPI32.@]
|
|
*
|
|
* See RegSetValueW.
|
|
*/
|
|
LSTATUS WINAPI RegSetValueA( HKEY hkey, LPCSTR name, DWORD type, LPCSTR data, DWORD count )
|
|
{
|
|
HKEY subkey = hkey;
|
|
DWORD ret;
|
|
|
|
TRACE("(%p,%s,%d,%s,%d)\n", hkey, debugstr_a(name), type, debugstr_a(data), count );
|
|
|
|
if (type != REG_SZ || !data) return ERROR_INVALID_PARAMETER;
|
|
|
|
if (name && name[0]) /* need to create the subkey */
|
|
{
|
|
if ((ret = RegCreateKeyA( hkey, name, &subkey )) != ERROR_SUCCESS) return ret;
|
|
}
|
|
ret = RegSetValueExA( subkey, NULL, 0, REG_SZ, (const BYTE*)data, strlen(data)+1 );
|
|
if (subkey != hkey) RegCloseKey( subkey );
|
|
return ret;
|
|
}
|
|
|
|
|
|
|
|
/******************************************************************************
|
|
* RegQueryValueExW [ADVAPI32.@]
|
|
*
|
|
* See RegQueryValueExA.
|
|
*/
|
|
LSTATUS WINAPI RegQueryValueExW( HKEY hkey, LPCWSTR name, LPDWORD reserved, LPDWORD type,
|
|
LPBYTE data, LPDWORD count )
|
|
{
|
|
NTSTATUS status;
|
|
UNICODE_STRING name_str;
|
|
DWORD total_size;
|
|
char buffer[256], *buf_ptr = buffer;
|
|
KEY_VALUE_PARTIAL_INFORMATION *info = (KEY_VALUE_PARTIAL_INFORMATION *)buffer;
|
|
static const int info_size = offsetof( KEY_VALUE_PARTIAL_INFORMATION, Data );
|
|
|
|
TRACE("(%p,%s,%p,%p,%p,%p=%d)\n",
|
|
hkey, debugstr_w(name), reserved, type, data, count,
|
|
(count && data) ? *count : 0 );
|
|
|
|
if ((data && !count) || reserved) return ERROR_INVALID_PARAMETER;
|
|
if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
|
|
|
|
RtlInitUnicodeString( &name_str, name );
|
|
|
|
if (data) total_size = min( sizeof(buffer), *count + info_size );
|
|
else
|
|
{
|
|
total_size = info_size;
|
|
if (count) *count = 0;
|
|
}
|
|
|
|
status = NtQueryValueKey( hkey, &name_str, KeyValuePartialInformation,
|
|
buffer, total_size, &total_size );
|
|
if (status && status != STATUS_BUFFER_OVERFLOW) goto done;
|
|
|
|
if (data)
|
|
{
|
|
/* retry with a dynamically allocated buffer */
|
|
while (status == STATUS_BUFFER_OVERFLOW && total_size - info_size <= *count)
|
|
{
|
|
if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
|
|
if (!(buf_ptr = HeapAlloc( GetProcessHeap(), 0, total_size )))
|
|
return ERROR_NOT_ENOUGH_MEMORY;
|
|
info = (KEY_VALUE_PARTIAL_INFORMATION *)buf_ptr;
|
|
status = NtQueryValueKey( hkey, &name_str, KeyValuePartialInformation,
|
|
buf_ptr, total_size, &total_size );
|
|
}
|
|
|
|
if (!status)
|
|
{
|
|
memcpy( data, buf_ptr + info_size, total_size - info_size );
|
|
/* if the type is REG_SZ and data is not 0-terminated
|
|
* and there is enough space in the buffer NT appends a \0 */
|
|
if (total_size - info_size <= *count-sizeof(WCHAR) && is_string(info->Type))
|
|
{
|
|
WCHAR *ptr = (WCHAR *)(data + total_size - info_size);
|
|
if (ptr > (WCHAR *)data && ptr[-1]) *ptr = 0;
|
|
}
|
|
}
|
|
else if (status != STATUS_BUFFER_OVERFLOW) goto done;
|
|
}
|
|
else status = STATUS_SUCCESS;
|
|
|
|
if (type) *type = info->Type;
|
|
if (count) *count = total_size - info_size;
|
|
|
|
done:
|
|
if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
|
|
return RtlNtStatusToDosError(status);
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* RegQueryValueExA [ADVAPI32.@]
|
|
*
|
|
* Get the type and contents of a specified value under with a key.
|
|
*
|
|
* PARAMS
|
|
* hkey [I] Handle of the key to query
|
|
* name [I] Name of value under hkey to query
|
|
* reserved [I] Reserved - must be NULL
|
|
* type [O] Destination for the value type, or NULL if not required
|
|
* data [O] Destination for the values contents, or NULL if not required
|
|
* count [I/O] Size of data, updated with the number of bytes returned
|
|
*
|
|
* RETURNS
|
|
* Success: ERROR_SUCCESS. *count is updated with the number of bytes copied to data.
|
|
* Failure: ERROR_INVALID_HANDLE, if hkey is invalid.
|
|
* ERROR_INVALID_PARAMETER, if any other parameter is invalid.
|
|
* ERROR_MORE_DATA, if on input *count is too small to hold the contents.
|
|
*
|
|
* NOTES
|
|
* MSDN states that if data is too small it is partially filled. In reality
|
|
* it remains untouched.
|
|
*/
|
|
LSTATUS WINAPI RegQueryValueExA( HKEY hkey, LPCSTR name, LPDWORD reserved, LPDWORD type,
|
|
LPBYTE data, LPDWORD count )
|
|
{
|
|
NTSTATUS status;
|
|
ANSI_STRING nameA;
|
|
DWORD total_size, datalen = 0;
|
|
char buffer[256], *buf_ptr = buffer;
|
|
KEY_VALUE_PARTIAL_INFORMATION *info = (KEY_VALUE_PARTIAL_INFORMATION *)buffer;
|
|
static const int info_size = offsetof( KEY_VALUE_PARTIAL_INFORMATION, Data );
|
|
|
|
TRACE("(%p,%s,%p,%p,%p,%p=%d)\n",
|
|
hkey, debugstr_a(name), reserved, type, data, count, count ? *count : 0 );
|
|
|
|
if ((data && !count) || reserved) return ERROR_INVALID_PARAMETER;
|
|
if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
|
|
|
|
if (count) datalen = *count;
|
|
if (!data && count) *count = 0;
|
|
|
|
/* this matches Win9x behaviour - NT sets *type to a random value */
|
|
if (type) *type = REG_NONE;
|
|
|
|
RtlInitAnsiString( &nameA, name );
|
|
if ((status = RtlAnsiStringToUnicodeString( &NtCurrentTeb()->StaticUnicodeString,
|
|
&nameA, FALSE )))
|
|
return RtlNtStatusToDosError(status);
|
|
|
|
status = NtQueryValueKey( hkey, &NtCurrentTeb()->StaticUnicodeString,
|
|
KeyValuePartialInformation, buffer, sizeof(buffer), &total_size );
|
|
if (status && status != STATUS_BUFFER_OVERFLOW) goto done;
|
|
|
|
/* we need to fetch the contents for a string type even if not requested,
|
|
* because we need to compute the length of the ASCII string. */
|
|
if (data || is_string(info->Type))
|
|
{
|
|
/* retry with a dynamically allocated buffer */
|
|
while (status == STATUS_BUFFER_OVERFLOW)
|
|
{
|
|
if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
|
|
if (!(buf_ptr = HeapAlloc( GetProcessHeap(), 0, total_size )))
|
|
{
|
|
status = STATUS_NO_MEMORY;
|
|
goto done;
|
|
}
|
|
info = (KEY_VALUE_PARTIAL_INFORMATION *)buf_ptr;
|
|
status = NtQueryValueKey( hkey, &NtCurrentTeb()->StaticUnicodeString,
|
|
KeyValuePartialInformation, buf_ptr, total_size, &total_size );
|
|
}
|
|
|
|
if (status) goto done;
|
|
|
|
if (is_string(info->Type))
|
|
{
|
|
DWORD len;
|
|
|
|
RtlUnicodeToMultiByteSize( &len, (WCHAR *)(buf_ptr + info_size),
|
|
total_size - info_size );
|
|
if (data && len)
|
|
{
|
|
if (len > datalen) status = STATUS_BUFFER_OVERFLOW;
|
|
else
|
|
{
|
|
RtlUnicodeToMultiByteN( (char*)data, len, NULL, (WCHAR *)(buf_ptr + info_size),
|
|
total_size - info_size );
|
|
/* if the type is REG_SZ and data is not 0-terminated
|
|
* and there is enough space in the buffer NT appends a \0 */
|
|
if (len < datalen && data[len-1]) data[len] = 0;
|
|
}
|
|
}
|
|
total_size = len + info_size;
|
|
}
|
|
else if (data)
|
|
{
|
|
if (total_size - info_size > datalen) status = STATUS_BUFFER_OVERFLOW;
|
|
else memcpy( data, buf_ptr + info_size, total_size - info_size );
|
|
}
|
|
}
|
|
else status = STATUS_SUCCESS;
|
|
|
|
if (type) *type = info->Type;
|
|
if (count) *count = total_size - info_size;
|
|
|
|
done:
|
|
if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
|
|
return RtlNtStatusToDosError(status);
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* RegQueryValueW [ADVAPI32.@]
|
|
*
|
|
* Retrieves the data associated with the default or unnamed value of a key.
|
|
*
|
|
* PARAMS
|
|
* hkey [I] Handle to an open key.
|
|
* name [I] Name of the subkey of hKey.
|
|
* data [O] Receives the string associated with the default value
|
|
* of the key.
|
|
* count [I/O] Size of lpValue in bytes.
|
|
*
|
|
* RETURNS
|
|
* Success: ERROR_SUCCESS
|
|
* Failure: nonzero error code from Winerror.h
|
|
*/
|
|
LSTATUS WINAPI RegQueryValueW( HKEY hkey, LPCWSTR name, LPWSTR data, LPLONG count )
|
|
{
|
|
DWORD ret;
|
|
HKEY subkey = hkey;
|
|
|
|
TRACE("(%p,%s,%p,%d)\n", hkey, debugstr_w(name), data, count ? *count : 0 );
|
|
|
|
if (name && name[0])
|
|
{
|
|
if ((ret = RegOpenKeyW( hkey, name, &subkey )) != ERROR_SUCCESS) return ret;
|
|
}
|
|
ret = RegQueryValueExW( subkey, NULL, NULL, NULL, (LPBYTE)data, (LPDWORD)count );
|
|
if (subkey != hkey) RegCloseKey( subkey );
|
|
if (ret == ERROR_FILE_NOT_FOUND)
|
|
{
|
|
/* return empty string if default value not found */
|
|
if (data) *data = 0;
|
|
if (count) *count = sizeof(WCHAR);
|
|
ret = ERROR_SUCCESS;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* RegQueryValueA [ADVAPI32.@]
|
|
*
|
|
* See RegQueryValueW.
|
|
*/
|
|
LSTATUS WINAPI RegQueryValueA( HKEY hkey, LPCSTR name, LPSTR data, LPLONG count )
|
|
{
|
|
DWORD ret;
|
|
HKEY subkey = hkey;
|
|
|
|
TRACE("(%p,%s,%p,%d)\n", hkey, debugstr_a(name), data, count ? *count : 0 );
|
|
|
|
if (name && name[0])
|
|
{
|
|
if ((ret = RegOpenKeyA( hkey, name, &subkey )) != ERROR_SUCCESS) return ret;
|
|
}
|
|
ret = RegQueryValueExA( subkey, NULL, NULL, NULL, (LPBYTE)data, (LPDWORD)count );
|
|
if (subkey != hkey) RegCloseKey( subkey );
|
|
if (ret == ERROR_FILE_NOT_FOUND)
|
|
{
|
|
/* return empty string if default value not found */
|
|
if (data) *data = 0;
|
|
if (count) *count = 1;
|
|
ret = ERROR_SUCCESS;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* ADVAPI_ApplyRestrictions [internal]
|
|
*
|
|
* Helper function for RegGetValueA/W.
|
|
*/
|
|
static VOID ADVAPI_ApplyRestrictions( DWORD dwFlags, DWORD dwType,
|
|
DWORD cbData, PLONG ret )
|
|
{
|
|
/* Check if the type is restricted by the passed flags */
|
|
if (*ret == ERROR_SUCCESS || *ret == ERROR_MORE_DATA)
|
|
{
|
|
DWORD dwMask = 0;
|
|
|
|
switch (dwType)
|
|
{
|
|
case REG_NONE: dwMask = RRF_RT_REG_NONE; break;
|
|
case REG_SZ: dwMask = RRF_RT_REG_SZ; break;
|
|
case REG_EXPAND_SZ: dwMask = RRF_RT_REG_EXPAND_SZ; break;
|
|
case REG_MULTI_SZ: dwMask = RRF_RT_REG_MULTI_SZ; break;
|
|
case REG_BINARY: dwMask = RRF_RT_REG_BINARY; break;
|
|
case REG_DWORD: dwMask = RRF_RT_REG_DWORD; break;
|
|
case REG_QWORD: dwMask = RRF_RT_REG_QWORD; break;
|
|
}
|
|
|
|
if (dwFlags & dwMask)
|
|
{
|
|
/* Type is not restricted, check for size mismatch */
|
|
if (dwType == REG_BINARY)
|
|
{
|
|
DWORD cbExpect = 0;
|
|
|
|
if ((dwFlags & RRF_RT_ANY) == RRF_RT_DWORD)
|
|
cbExpect = 4;
|
|
else if ((dwFlags & RRF_RT_ANY) == RRF_RT_QWORD)
|
|
cbExpect = 8;
|
|
|
|
if (cbExpect && cbData != cbExpect)
|
|
*ret = ERROR_DATATYPE_MISMATCH;
|
|
}
|
|
}
|
|
else *ret = ERROR_UNSUPPORTED_TYPE;
|
|
}
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* RegGetValueW [ADVAPI32.@]
|
|
*
|
|
* Retrieves the type and data for a value name associated with a key,
|
|
* optionally expanding its content and restricting its type.
|
|
*
|
|
* PARAMS
|
|
* hKey [I] Handle to an open key.
|
|
* pszSubKey [I] Name of the subkey of hKey.
|
|
* pszValue [I] Name of value under hKey/szSubKey to query.
|
|
* dwFlags [I] Flags restricting the value type to retrieve.
|
|
* pdwType [O] Destination for the values type, may be NULL.
|
|
* pvData [O] Destination for the values content, may be NULL.
|
|
* pcbData [I/O] Size of pvData, updated with the size in bytes required to
|
|
* retrieve the whole content, including the trailing '\0'
|
|
* for strings.
|
|
*
|
|
* RETURNS
|
|
* Success: ERROR_SUCCESS
|
|
* Failure: nonzero error code from Winerror.h
|
|
*
|
|
* NOTES
|
|
* - Unless RRF_NOEXPAND is specified, REG_EXPAND_SZ values are automatically
|
|
* expanded and pdwType is set to REG_SZ instead.
|
|
* - Restrictions are applied after expanding, using RRF_RT_REG_EXPAND_SZ
|
|
* without RRF_NOEXPAND is thus not allowed.
|
|
* An exception is the case where RRF_RT_ANY is specified, because then
|
|
* RRF_NOEXPAND is allowed.
|
|
*/
|
|
LSTATUS WINAPI RegGetValueW( HKEY hKey, LPCWSTR pszSubKey, LPCWSTR pszValue,
|
|
DWORD dwFlags, LPDWORD pdwType, PVOID pvData,
|
|
LPDWORD pcbData )
|
|
{
|
|
DWORD dwType, cbData = pcbData ? *pcbData : 0;
|
|
PVOID pvBuf = NULL;
|
|
LONG ret;
|
|
|
|
TRACE("(%p,%s,%s,%d,%p,%p,%p=%d)\n",
|
|
hKey, debugstr_w(pszSubKey), debugstr_w(pszValue), dwFlags, pdwType,
|
|
pvData, pcbData, cbData);
|
|
|
|
if (pvData && !pcbData)
|
|
return ERROR_INVALID_PARAMETER;
|
|
if ((dwFlags & RRF_RT_REG_EXPAND_SZ) && !(dwFlags & RRF_NOEXPAND) &&
|
|
((dwFlags & RRF_RT_ANY) != RRF_RT_ANY))
|
|
return ERROR_INVALID_PARAMETER;
|
|
|
|
if (pszSubKey && pszSubKey[0])
|
|
{
|
|
ret = RegOpenKeyExW(hKey, pszSubKey, 0, KEY_QUERY_VALUE, &hKey);
|
|
if (ret != ERROR_SUCCESS) return ret;
|
|
}
|
|
|
|
ret = RegQueryValueExW(hKey, pszValue, NULL, &dwType, pvData, &cbData);
|
|
|
|
/* If we are going to expand we need to read in the whole the value even
|
|
* if the passed buffer was too small as the expanded string might be
|
|
* smaller than the unexpanded one and could fit into cbData bytes. */
|
|
if ((ret == ERROR_SUCCESS || ret == ERROR_MORE_DATA) &&
|
|
dwType == REG_EXPAND_SZ && !(dwFlags & RRF_NOEXPAND))
|
|
{
|
|
do {
|
|
HeapFree(GetProcessHeap(), 0, pvBuf);
|
|
|
|
pvBuf = HeapAlloc(GetProcessHeap(), 0, cbData);
|
|
if (!pvBuf)
|
|
{
|
|
ret = ERROR_NOT_ENOUGH_MEMORY;
|
|
break;
|
|
}
|
|
|
|
if (ret == ERROR_MORE_DATA || !pvData)
|
|
ret = RegQueryValueExW(hKey, pszValue, NULL,
|
|
&dwType, pvBuf, &cbData);
|
|
else
|
|
{
|
|
/* Even if cbData was large enough we have to copy the
|
|
* string since ExpandEnvironmentStrings can't handle
|
|
* overlapping buffers. */
|
|
CopyMemory(pvBuf, pvData, cbData);
|
|
}
|
|
|
|
/* Both the type or the value itself could have been modified in
|
|
* between so we have to keep retrying until the buffer is large
|
|
* enough or we no longer have to expand the value. */
|
|
} while (dwType == REG_EXPAND_SZ && ret == ERROR_MORE_DATA);
|
|
|
|
if (ret == ERROR_SUCCESS)
|
|
{
|
|
/* Recheck dwType in case it changed since the first call */
|
|
if (dwType == REG_EXPAND_SZ)
|
|
{
|
|
cbData = ExpandEnvironmentStringsW(pvBuf, pvData,
|
|
pcbData ? *pcbData : 0) * sizeof(WCHAR);
|
|
dwType = REG_SZ;
|
|
if(pvData && pcbData && cbData > *pcbData)
|
|
ret = ERROR_MORE_DATA;
|
|
}
|
|
else if (pvData)
|
|
CopyMemory(pvData, pvBuf, *pcbData);
|
|
}
|
|
|
|
HeapFree(GetProcessHeap(), 0, pvBuf);
|
|
}
|
|
|
|
if (pszSubKey && pszSubKey[0])
|
|
RegCloseKey(hKey);
|
|
|
|
ADVAPI_ApplyRestrictions(dwFlags, dwType, cbData, &ret);
|
|
|
|
if (pvData && ret != ERROR_SUCCESS && (dwFlags & RRF_ZEROONFAILURE))
|
|
ZeroMemory(pvData, *pcbData);
|
|
|
|
if (pdwType) *pdwType = dwType;
|
|
if (pcbData) *pcbData = cbData;
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* RegGetValueA [ADVAPI32.@]
|
|
*
|
|
* See RegGetValueW.
|
|
*/
|
|
LSTATUS WINAPI RegGetValueA( HKEY hKey, LPCSTR pszSubKey, LPCSTR pszValue,
|
|
DWORD dwFlags, LPDWORD pdwType, PVOID pvData,
|
|
LPDWORD pcbData )
|
|
{
|
|
DWORD dwType, cbData = pcbData ? *pcbData : 0;
|
|
PVOID pvBuf = NULL;
|
|
LONG ret;
|
|
|
|
TRACE("(%p,%s,%s,%d,%p,%p,%p=%d)\n",
|
|
hKey, pszSubKey, pszValue, dwFlags, pdwType, pvData, pcbData,
|
|
cbData);
|
|
|
|
if (pvData && !pcbData)
|
|
return ERROR_INVALID_PARAMETER;
|
|
if ((dwFlags & RRF_RT_REG_EXPAND_SZ) && !(dwFlags & RRF_NOEXPAND) &&
|
|
((dwFlags & RRF_RT_ANY) != RRF_RT_ANY))
|
|
return ERROR_INVALID_PARAMETER;
|
|
|
|
if (pszSubKey && pszSubKey[0])
|
|
{
|
|
ret = RegOpenKeyExA(hKey, pszSubKey, 0, KEY_QUERY_VALUE, &hKey);
|
|
if (ret != ERROR_SUCCESS) return ret;
|
|
}
|
|
|
|
ret = RegQueryValueExA(hKey, pszValue, NULL, &dwType, pvData, &cbData);
|
|
|
|
/* If we are going to expand we need to read in the whole the value even
|
|
* if the passed buffer was too small as the expanded string might be
|
|
* smaller than the unexpanded one and could fit into cbData bytes. */
|
|
if ((ret == ERROR_SUCCESS || ret == ERROR_MORE_DATA) &&
|
|
dwType == REG_EXPAND_SZ && !(dwFlags & RRF_NOEXPAND))
|
|
{
|
|
do {
|
|
HeapFree(GetProcessHeap(), 0, pvBuf);
|
|
|
|
pvBuf = HeapAlloc(GetProcessHeap(), 0, cbData);
|
|
if (!pvBuf)
|
|
{
|
|
ret = ERROR_NOT_ENOUGH_MEMORY;
|
|
break;
|
|
}
|
|
|
|
if (ret == ERROR_MORE_DATA || !pvData)
|
|
ret = RegQueryValueExA(hKey, pszValue, NULL,
|
|
&dwType, pvBuf, &cbData);
|
|
else
|
|
{
|
|
/* Even if cbData was large enough we have to copy the
|
|
* string since ExpandEnvironmentStrings can't handle
|
|
* overlapping buffers. */
|
|
CopyMemory(pvBuf, pvData, cbData);
|
|
}
|
|
|
|
/* Both the type or the value itself could have been modified in
|
|
* between so we have to keep retrying until the buffer is large
|
|
* enough or we no longer have to expand the value. */
|
|
} while (dwType == REG_EXPAND_SZ && ret == ERROR_MORE_DATA);
|
|
|
|
if (ret == ERROR_SUCCESS)
|
|
{
|
|
/* Recheck dwType in case it changed since the first call */
|
|
if (dwType == REG_EXPAND_SZ)
|
|
{
|
|
cbData = ExpandEnvironmentStringsA(pvBuf, pvData,
|
|
pcbData ? *pcbData : 0);
|
|
dwType = REG_SZ;
|
|
if(pvData && pcbData && cbData > *pcbData)
|
|
ret = ERROR_MORE_DATA;
|
|
}
|
|
else if (pvData)
|
|
CopyMemory(pvData, pvBuf, *pcbData);
|
|
}
|
|
|
|
HeapFree(GetProcessHeap(), 0, pvBuf);
|
|
}
|
|
|
|
if (pszSubKey && pszSubKey[0])
|
|
RegCloseKey(hKey);
|
|
|
|
ADVAPI_ApplyRestrictions(dwFlags, dwType, cbData, &ret);
|
|
|
|
if (pvData && ret != ERROR_SUCCESS && (dwFlags & RRF_ZEROONFAILURE))
|
|
ZeroMemory(pvData, *pcbData);
|
|
|
|
if (pdwType) *pdwType = dwType;
|
|
if (pcbData) *pcbData = cbData;
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* RegEnumValueW [ADVAPI32.@]
|
|
*
|
|
* Enumerates the values for the specified open registry key.
|
|
*
|
|
* PARAMS
|
|
* hkey [I] Handle to key to query
|
|
* index [I] Index of value to query
|
|
* value [O] Value string
|
|
* val_count [I/O] Size of value buffer (in wchars)
|
|
* reserved [I] Reserved
|
|
* type [O] Type code
|
|
* data [O] Value data
|
|
* count [I/O] Size of data buffer (in bytes)
|
|
*
|
|
* RETURNS
|
|
* Success: ERROR_SUCCESS
|
|
* Failure: nonzero error code from Winerror.h
|
|
*/
|
|
|
|
LSTATUS WINAPI RegEnumValueW( HKEY hkey, DWORD index, LPWSTR value, LPDWORD val_count,
|
|
LPDWORD reserved, LPDWORD type, LPBYTE data, LPDWORD count )
|
|
{
|
|
NTSTATUS status;
|
|
DWORD total_size;
|
|
char buffer[256], *buf_ptr = buffer;
|
|
KEY_VALUE_FULL_INFORMATION *info = (KEY_VALUE_FULL_INFORMATION *)buffer;
|
|
static const int info_size = offsetof( KEY_VALUE_FULL_INFORMATION, Name );
|
|
|
|
TRACE("(%p,%d,%p,%p,%p,%p,%p,%p)\n",
|
|
hkey, index, value, val_count, reserved, type, data, count );
|
|
|
|
/* NT only checks count, not val_count */
|
|
if ((data && !count) || reserved) return ERROR_INVALID_PARAMETER;
|
|
if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
|
|
|
|
total_size = info_size + (MAX_PATH + 1) * sizeof(WCHAR);
|
|
if (data) total_size += *count;
|
|
total_size = min( sizeof(buffer), total_size );
|
|
|
|
status = NtEnumerateValueKey( hkey, index, KeyValueFullInformation,
|
|
buffer, total_size, &total_size );
|
|
if (status && status != STATUS_BUFFER_OVERFLOW) goto done;
|
|
|
|
if (value || data)
|
|
{
|
|
/* retry with a dynamically allocated buffer */
|
|
while (status == STATUS_BUFFER_OVERFLOW)
|
|
{
|
|
if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
|
|
if (!(buf_ptr = HeapAlloc( GetProcessHeap(), 0, total_size )))
|
|
return ERROR_NOT_ENOUGH_MEMORY;
|
|
info = (KEY_VALUE_FULL_INFORMATION *)buf_ptr;
|
|
status = NtEnumerateValueKey( hkey, index, KeyValueFullInformation,
|
|
buf_ptr, total_size, &total_size );
|
|
}
|
|
|
|
if (status) goto done;
|
|
|
|
if (value)
|
|
{
|
|
if (info->NameLength/sizeof(WCHAR) >= *val_count)
|
|
{
|
|
status = STATUS_BUFFER_OVERFLOW;
|
|
goto overflow;
|
|
}
|
|
memcpy( value, info->Name, info->NameLength );
|
|
*val_count = info->NameLength / sizeof(WCHAR);
|
|
value[*val_count] = 0;
|
|
}
|
|
|
|
if (data)
|
|
{
|
|
if (total_size - info->DataOffset > *count)
|
|
{
|
|
status = STATUS_BUFFER_OVERFLOW;
|
|
goto overflow;
|
|
}
|
|
memcpy( data, buf_ptr + info->DataOffset, total_size - info->DataOffset );
|
|
if (total_size - info->DataOffset <= *count-sizeof(WCHAR) && is_string(info->Type))
|
|
{
|
|
/* if the type is REG_SZ and data is not 0-terminated
|
|
* and there is enough space in the buffer NT appends a \0 */
|
|
WCHAR *ptr = (WCHAR *)(data + total_size - info->DataOffset);
|
|
if (ptr > (WCHAR *)data && ptr[-1]) *ptr = 0;
|
|
}
|
|
}
|
|
}
|
|
else status = STATUS_SUCCESS;
|
|
|
|
overflow:
|
|
if (type) *type = info->Type;
|
|
if (count) *count = info->DataLength;
|
|
|
|
done:
|
|
if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
|
|
return RtlNtStatusToDosError(status);
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* RegEnumValueA [ADVAPI32.@]
|
|
*
|
|
* See RegEnumValueW.
|
|
*/
|
|
LSTATUS WINAPI RegEnumValueA( HKEY hkey, DWORD index, LPSTR value, LPDWORD val_count,
|
|
LPDWORD reserved, LPDWORD type, LPBYTE data, LPDWORD count )
|
|
{
|
|
NTSTATUS status;
|
|
DWORD total_size;
|
|
char buffer[256], *buf_ptr = buffer;
|
|
KEY_VALUE_FULL_INFORMATION *info = (KEY_VALUE_FULL_INFORMATION *)buffer;
|
|
static const int info_size = offsetof( KEY_VALUE_FULL_INFORMATION, Name );
|
|
|
|
TRACE("(%p,%d,%p,%p,%p,%p,%p,%p)\n",
|
|
hkey, index, value, val_count, reserved, type, data, count );
|
|
|
|
/* NT only checks count, not val_count */
|
|
if ((data && !count) || reserved) return ERROR_INVALID_PARAMETER;
|
|
if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
|
|
|
|
total_size = info_size + (MAX_PATH + 1) * sizeof(WCHAR);
|
|
if (data) total_size += *count;
|
|
total_size = min( sizeof(buffer), total_size );
|
|
|
|
status = NtEnumerateValueKey( hkey, index, KeyValueFullInformation,
|
|
buffer, total_size, &total_size );
|
|
if (status && status != STATUS_BUFFER_OVERFLOW) goto done;
|
|
|
|
/* we need to fetch the contents for a string type even if not requested,
|
|
* because we need to compute the length of the ASCII string. */
|
|
if (value || data || is_string(info->Type))
|
|
{
|
|
/* retry with a dynamically allocated buffer */
|
|
while (status == STATUS_BUFFER_OVERFLOW)
|
|
{
|
|
if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
|
|
if (!(buf_ptr = HeapAlloc( GetProcessHeap(), 0, total_size )))
|
|
return ERROR_NOT_ENOUGH_MEMORY;
|
|
info = (KEY_VALUE_FULL_INFORMATION *)buf_ptr;
|
|
status = NtEnumerateValueKey( hkey, index, KeyValueFullInformation,
|
|
buf_ptr, total_size, &total_size );
|
|
}
|
|
|
|
if (status) goto done;
|
|
|
|
if (is_string(info->Type))
|
|
{
|
|
DWORD len;
|
|
RtlUnicodeToMultiByteSize( &len, (WCHAR *)(buf_ptr + info->DataOffset),
|
|
total_size - info->DataOffset );
|
|
if (data && len)
|
|
{
|
|
if (len > *count) status = STATUS_BUFFER_OVERFLOW;
|
|
else
|
|
{
|
|
RtlUnicodeToMultiByteN( (char*)data, len, NULL, (WCHAR *)(buf_ptr + info->DataOffset),
|
|
total_size - info->DataOffset );
|
|
/* if the type is REG_SZ and data is not 0-terminated
|
|
* and there is enough space in the buffer NT appends a \0 */
|
|
if (len < *count && data[len-1]) data[len] = 0;
|
|
}
|
|
}
|
|
info->DataLength = len;
|
|
}
|
|
else if (data)
|
|
{
|
|
if (total_size - info->DataOffset > *count) status = STATUS_BUFFER_OVERFLOW;
|
|
else memcpy( data, buf_ptr + info->DataOffset, total_size - info->DataOffset );
|
|
}
|
|
|
|
if (value && !status)
|
|
{
|
|
DWORD len;
|
|
|
|
RtlUnicodeToMultiByteSize( &len, info->Name, info->NameLength );
|
|
if (len >= *val_count)
|
|
{
|
|
status = STATUS_BUFFER_OVERFLOW;
|
|
if (*val_count)
|
|
{
|
|
len = *val_count - 1;
|
|
RtlUnicodeToMultiByteN( value, len, NULL, info->Name, info->NameLength );
|
|
value[len] = 0;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
RtlUnicodeToMultiByteN( value, len, NULL, info->Name, info->NameLength );
|
|
value[len] = 0;
|
|
*val_count = len;
|
|
}
|
|
}
|
|
}
|
|
else status = STATUS_SUCCESS;
|
|
|
|
if (type) *type = info->Type;
|
|
if (count) *count = info->DataLength;
|
|
|
|
done:
|
|
if (buf_ptr != buffer) HeapFree( GetProcessHeap(), 0, buf_ptr );
|
|
return RtlNtStatusToDosError(status);
|
|
}
|
|
|
|
|
|
|
|
/******************************************************************************
|
|
* RegDeleteValueW [ADVAPI32.@]
|
|
*
|
|
* See RegDeleteValueA.
|
|
*/
|
|
LSTATUS WINAPI RegDeleteValueW( HKEY hkey, LPCWSTR name )
|
|
{
|
|
UNICODE_STRING nameW;
|
|
|
|
if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
|
|
|
|
RtlInitUnicodeString( &nameW, name );
|
|
return RtlNtStatusToDosError( NtDeleteValueKey( hkey, &nameW ) );
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* RegDeleteValueA [ADVAPI32.@]
|
|
*
|
|
* Delete a value from the registry.
|
|
*
|
|
* PARAMS
|
|
* hkey [I] Registry handle of the key holding the value
|
|
* name [I] Name of the value under hkey to delete
|
|
*
|
|
* RETURNS
|
|
* Success: ERROR_SUCCESS
|
|
* Failure: nonzero error code from Winerror.h
|
|
*/
|
|
LSTATUS WINAPI RegDeleteValueA( HKEY hkey, LPCSTR name )
|
|
{
|
|
STRING nameA;
|
|
NTSTATUS status;
|
|
|
|
if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
|
|
|
|
RtlInitAnsiString( &nameA, name );
|
|
if (!(status = RtlAnsiStringToUnicodeString( &NtCurrentTeb()->StaticUnicodeString,
|
|
&nameA, FALSE )))
|
|
status = NtDeleteValueKey( hkey, &NtCurrentTeb()->StaticUnicodeString );
|
|
return RtlNtStatusToDosError( status );
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* RegLoadKeyW [ADVAPI32.@]
|
|
*
|
|
* Create a subkey under HKEY_USERS or HKEY_LOCAL_MACHINE and store
|
|
* registration information from a specified file into that subkey.
|
|
*
|
|
* PARAMS
|
|
* hkey [I] Handle of open key
|
|
* subkey [I] Address of name of subkey
|
|
* filename [I] Address of filename for registry information
|
|
*
|
|
* RETURNS
|
|
* Success: ERROR_SUCCESS
|
|
* Failure: nonzero error code from Winerror.h
|
|
*/
|
|
LSTATUS WINAPI RegLoadKeyW( HKEY hkey, LPCWSTR subkey, LPCWSTR filename )
|
|
{
|
|
OBJECT_ATTRIBUTES destkey, file;
|
|
UNICODE_STRING subkeyW, filenameW;
|
|
NTSTATUS status;
|
|
|
|
if (!(hkey = get_special_root_hkey(hkey))) return ERROR_INVALID_HANDLE;
|
|
|
|
destkey.Length = sizeof(destkey);
|
|
destkey.RootDirectory = hkey; /* root key: HKLM or HKU */
|
|
destkey.ObjectName = &subkeyW; /* name of the key */
|
|
destkey.Attributes = 0;
|
|
destkey.SecurityDescriptor = NULL;
|
|
destkey.SecurityQualityOfService = NULL;
|
|
RtlInitUnicodeString(&subkeyW, subkey);
|
|
|
|
file.Length = sizeof(file);
|
|
file.RootDirectory = NULL;
|
|
file.ObjectName = &filenameW; /* file containing the hive */
|
|
file.Attributes = OBJ_CASE_INSENSITIVE;
|
|
file.SecurityDescriptor = NULL;
|
|
file.SecurityQualityOfService = NULL;
|
|
RtlDosPathNameToNtPathName_U(filename, &filenameW, NULL, NULL);
|
|
|
|
status = NtLoadKey(&destkey, &file);
|
|
RtlFreeUnicodeString(&filenameW);
|
|
return RtlNtStatusToDosError( status );
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* RegLoadKeyA [ADVAPI32.@]
|
|
*
|
|
* See RegLoadKeyW.
|
|
*/
|
|
LSTATUS WINAPI RegLoadKeyA( HKEY hkey, LPCSTR subkey, LPCSTR filename )
|
|
{
|
|
UNICODE_STRING subkeyW, filenameW;
|
|
STRING subkeyA, filenameA;
|
|
NTSTATUS status;
|
|
LONG ret;
|
|
|
|
RtlInitAnsiString(&subkeyA, subkey);
|
|
RtlInitAnsiString(&filenameA, filename);
|
|
|
|
RtlInitUnicodeString(&subkeyW, NULL);
|
|
RtlInitUnicodeString(&filenameW, NULL);
|
|
if (!(status = RtlAnsiStringToUnicodeString(&subkeyW, &subkeyA, TRUE)) &&
|
|
!(status = RtlAnsiStringToUnicodeString(&filenameW, &filenameA, TRUE)))
|
|
{
|
|
ret = RegLoadKeyW(hkey, subkeyW.Buffer, filenameW.Buffer);
|
|
}
|
|
else ret = RtlNtStatusToDosError(status);
|
|
RtlFreeUnicodeString(&subkeyW);
|
|
RtlFreeUnicodeString(&filenameW);
|
|
return ret;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* RegSaveKeyW [ADVAPI32.@]
|
|
*
|
|
* Save a key and all of its subkeys and values to a new file in the standard format.
|
|
*
|
|
* PARAMS
|
|
* hkey [I] Handle of key where save begins
|
|
* lpFile [I] Address of filename to save to
|
|
* sa [I] Address of security structure
|
|
*
|
|
* RETURNS
|
|
* Success: ERROR_SUCCESS
|
|
* Failure: nonzero error code from Winerror.h
|
|
*/
|
|
LSTATUS WINAPI RegSaveKeyW( HKEY hkey, LPCWSTR file, LPSECURITY_ATTRIBUTES sa )
|
|
{
|
|
static const WCHAR format[] =
|
|
{'r','e','g','%','0','4','x','.','t','m','p',0};
|
|
WCHAR buffer[MAX_PATH];
|
|
int count = 0;
|
|
LPWSTR nameW;
|
|
DWORD ret, err;
|
|
HANDLE handle;
|
|
|
|
TRACE( "(%p,%s,%p)\n", hkey, debugstr_w(file), sa );
|
|
|
|
if (!file || !*file) return ERROR_INVALID_PARAMETER;
|
|
if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
|
|
|
|
err = GetLastError();
|
|
GetFullPathNameW( file, sizeof(buffer)/sizeof(WCHAR), buffer, &nameW );
|
|
|
|
for (;;)
|
|
{
|
|
snprintfW( nameW, 16, format, count++ );
|
|
handle = CreateFileW( buffer, GENERIC_WRITE, 0, NULL,
|
|
CREATE_NEW, FILE_ATTRIBUTE_NORMAL, 0 );
|
|
if (handle != INVALID_HANDLE_VALUE) break;
|
|
if ((ret = GetLastError()) != ERROR_FILE_EXISTS) goto done;
|
|
|
|
/* Something gone haywire ? Please report if this happens abnormally */
|
|
if (count >= 100)
|
|
MESSAGE("Wow, we are already fiddling with a temp file %s with an ordinal as high as %d !\nYou might want to delete all corresponding temp files in that directory.\n", debugstr_w(buffer), count);
|
|
}
|
|
|
|
ret = RtlNtStatusToDosError(NtSaveKey(hkey, handle));
|
|
|
|
CloseHandle( handle );
|
|
if (!ret)
|
|
{
|
|
if (!MoveFileExW( buffer, file, MOVEFILE_REPLACE_EXISTING ))
|
|
{
|
|
ERR( "Failed to move %s to %s\n", debugstr_w(buffer),
|
|
debugstr_w(file) );
|
|
ret = GetLastError();
|
|
}
|
|
}
|
|
if (ret) DeleteFileW( buffer );
|
|
|
|
done:
|
|
SetLastError( err ); /* restore last error code */
|
|
return ret;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* RegSaveKeyA [ADVAPI32.@]
|
|
*
|
|
* See RegSaveKeyW.
|
|
*/
|
|
LSTATUS WINAPI RegSaveKeyA( HKEY hkey, LPCSTR file, LPSECURITY_ATTRIBUTES sa )
|
|
{
|
|
UNICODE_STRING *fileW = &NtCurrentTeb()->StaticUnicodeString;
|
|
NTSTATUS status;
|
|
STRING fileA;
|
|
|
|
RtlInitAnsiString(&fileA, file);
|
|
if ((status = RtlAnsiStringToUnicodeString(fileW, &fileA, FALSE)))
|
|
return RtlNtStatusToDosError( status );
|
|
return RegSaveKeyW(hkey, fileW->Buffer, sa);
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* RegRestoreKeyW [ADVAPI32.@]
|
|
*
|
|
* Read the registry information from a file and copy it over a key.
|
|
*
|
|
* PARAMS
|
|
* hkey [I] Handle of key where restore begins
|
|
* lpFile [I] Address of filename containing saved tree
|
|
* dwFlags [I] Optional flags
|
|
*
|
|
* RETURNS
|
|
* Success: ERROR_SUCCESS
|
|
* Failure: nonzero error code from Winerror.h
|
|
*/
|
|
LSTATUS WINAPI RegRestoreKeyW( HKEY hkey, LPCWSTR lpFile, DWORD dwFlags )
|
|
{
|
|
TRACE("(%p,%s,%d)\n",hkey,debugstr_w(lpFile),dwFlags);
|
|
|
|
/* It seems to do this check before the hkey check */
|
|
if (!lpFile || !*lpFile)
|
|
return ERROR_INVALID_PARAMETER;
|
|
|
|
FIXME("(%p,%s,%d): stub\n",hkey,debugstr_w(lpFile),dwFlags);
|
|
|
|
/* Check for file existence */
|
|
|
|
return ERROR_SUCCESS;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* RegRestoreKeyA [ADVAPI32.@]
|
|
*
|
|
* See RegRestoreKeyW.
|
|
*/
|
|
LSTATUS WINAPI RegRestoreKeyA( HKEY hkey, LPCSTR lpFile, DWORD dwFlags )
|
|
{
|
|
UNICODE_STRING lpFileW;
|
|
LONG ret;
|
|
|
|
RtlCreateUnicodeStringFromAsciiz( &lpFileW, lpFile );
|
|
ret = RegRestoreKeyW( hkey, lpFileW.Buffer, dwFlags );
|
|
RtlFreeUnicodeString( &lpFileW );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* RegUnLoadKeyW [ADVAPI32.@]
|
|
*
|
|
* Unload a registry key and its subkeys from the registry.
|
|
*
|
|
* PARAMS
|
|
* hkey [I] Handle of open key
|
|
* lpSubKey [I] Address of name of subkey to unload
|
|
*
|
|
* RETURNS
|
|
* Success: ERROR_SUCCESS
|
|
* Failure: nonzero error code from Winerror.h
|
|
*/
|
|
LSTATUS WINAPI RegUnLoadKeyW( HKEY hkey, LPCWSTR lpSubKey )
|
|
{
|
|
DWORD ret;
|
|
HKEY shkey;
|
|
OBJECT_ATTRIBUTES attr;
|
|
UNICODE_STRING subkey;
|
|
|
|
TRACE("(%p,%s)\n",hkey, debugstr_w(lpSubKey));
|
|
|
|
ret = RegOpenKeyW(hkey,lpSubKey,&shkey);
|
|
if( ret )
|
|
return ERROR_INVALID_PARAMETER;
|
|
|
|
RtlInitUnicodeString(&subkey, lpSubKey);
|
|
InitializeObjectAttributes(&attr, &subkey, OBJ_CASE_INSENSITIVE, shkey, NULL);
|
|
ret = RtlNtStatusToDosError(NtUnloadKey(&attr));
|
|
|
|
RegCloseKey(shkey);
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* RegUnLoadKeyA [ADVAPI32.@]
|
|
*
|
|
* See RegUnLoadKeyW.
|
|
*/
|
|
LSTATUS WINAPI RegUnLoadKeyA( HKEY hkey, LPCSTR lpSubKey )
|
|
{
|
|
UNICODE_STRING lpSubKeyW;
|
|
LONG ret;
|
|
|
|
RtlCreateUnicodeStringFromAsciiz( &lpSubKeyW, lpSubKey );
|
|
ret = RegUnLoadKeyW( hkey, lpSubKeyW.Buffer );
|
|
RtlFreeUnicodeString( &lpSubKeyW );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* RegReplaceKeyW [ADVAPI32.@]
|
|
*
|
|
* Replace the file backing a registry key and all its subkeys with another file.
|
|
*
|
|
* PARAMS
|
|
* hkey [I] Handle of open key
|
|
* lpSubKey [I] Address of name of subkey
|
|
* lpNewFile [I] Address of filename for file with new data
|
|
* lpOldFile [I] Address of filename for backup file
|
|
*
|
|
* RETURNS
|
|
* Success: ERROR_SUCCESS
|
|
* Failure: nonzero error code from Winerror.h
|
|
*/
|
|
LSTATUS WINAPI RegReplaceKeyW( HKEY hkey, LPCWSTR lpSubKey, LPCWSTR lpNewFile,
|
|
LPCWSTR lpOldFile )
|
|
{
|
|
FIXME("(%p,%s,%s,%s): stub\n", hkey, debugstr_w(lpSubKey),
|
|
debugstr_w(lpNewFile),debugstr_w(lpOldFile));
|
|
return ERROR_SUCCESS;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* RegReplaceKeyA [ADVAPI32.@]
|
|
*
|
|
* See RegReplaceKeyW.
|
|
*/
|
|
LSTATUS WINAPI RegReplaceKeyA( HKEY hkey, LPCSTR lpSubKey, LPCSTR lpNewFile,
|
|
LPCSTR lpOldFile )
|
|
{
|
|
UNICODE_STRING lpSubKeyW;
|
|
UNICODE_STRING lpNewFileW;
|
|
UNICODE_STRING lpOldFileW;
|
|
LONG ret;
|
|
|
|
RtlCreateUnicodeStringFromAsciiz( &lpSubKeyW, lpSubKey );
|
|
RtlCreateUnicodeStringFromAsciiz( &lpOldFileW, lpOldFile );
|
|
RtlCreateUnicodeStringFromAsciiz( &lpNewFileW, lpNewFile );
|
|
ret = RegReplaceKeyW( hkey, lpSubKeyW.Buffer, lpNewFileW.Buffer, lpOldFileW.Buffer );
|
|
RtlFreeUnicodeString( &lpOldFileW );
|
|
RtlFreeUnicodeString( &lpNewFileW );
|
|
RtlFreeUnicodeString( &lpSubKeyW );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* RegSetKeySecurity [ADVAPI32.@]
|
|
*
|
|
* Set the security of an open registry key.
|
|
*
|
|
* PARAMS
|
|
* hkey [I] Open handle of key to set
|
|
* SecurityInfo [I] Descriptor contents
|
|
* pSecurityDesc [I] Address of descriptor for key
|
|
*
|
|
* RETURNS
|
|
* Success: ERROR_SUCCESS
|
|
* Failure: nonzero error code from Winerror.h
|
|
*/
|
|
LSTATUS WINAPI RegSetKeySecurity( HKEY hkey, SECURITY_INFORMATION SecurityInfo,
|
|
PSECURITY_DESCRIPTOR pSecurityDesc )
|
|
{
|
|
TRACE("(%p,%d,%p)\n",hkey,SecurityInfo,pSecurityDesc);
|
|
|
|
/* It seems to perform this check before the hkey check */
|
|
if ((SecurityInfo & OWNER_SECURITY_INFORMATION) ||
|
|
(SecurityInfo & GROUP_SECURITY_INFORMATION) ||
|
|
(SecurityInfo & DACL_SECURITY_INFORMATION) ||
|
|
(SecurityInfo & SACL_SECURITY_INFORMATION)) {
|
|
/* Param OK */
|
|
} else
|
|
return ERROR_INVALID_PARAMETER;
|
|
|
|
if (!pSecurityDesc)
|
|
return ERROR_INVALID_PARAMETER;
|
|
|
|
FIXME(":(%p,%d,%p): stub\n",hkey,SecurityInfo,pSecurityDesc);
|
|
|
|
return ERROR_SUCCESS;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* RegGetKeySecurity [ADVAPI32.@]
|
|
*
|
|
* Get a copy of the security descriptor for a given registry key.
|
|
*
|
|
* PARAMS
|
|
* hkey [I] Open handle of key to set
|
|
* SecurityInformation [I] Descriptor contents
|
|
* pSecurityDescriptor [O] Address of descriptor for key
|
|
* lpcbSecurityDescriptor [I/O] Address of size of buffer and description
|
|
*
|
|
* RETURNS
|
|
* Success: ERROR_SUCCESS
|
|
* Failure: Error code
|
|
*/
|
|
LSTATUS WINAPI RegGetKeySecurity( HKEY hkey, SECURITY_INFORMATION SecurityInformation,
|
|
PSECURITY_DESCRIPTOR pSecurityDescriptor,
|
|
LPDWORD lpcbSecurityDescriptor )
|
|
{
|
|
TRACE("(%p,%d,%p,%d)\n",hkey,SecurityInformation,pSecurityDescriptor,
|
|
*lpcbSecurityDescriptor);
|
|
|
|
if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE;
|
|
|
|
return RtlNtStatusToDosError( NtQuerySecurityObject( hkey,
|
|
SecurityInformation, pSecurityDescriptor,
|
|
*lpcbSecurityDescriptor, lpcbSecurityDescriptor ) );
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* RegFlushKey [ADVAPI32.@]
|
|
*
|
|
* Immediately write a registry key to registry.
|
|
*
|
|
* PARAMS
|
|
* hkey [I] Handle of key to write
|
|
*
|
|
* RETURNS
|
|
* Success: ERROR_SUCCESS
|
|
* Failure: Error code
|
|
*/
|
|
LSTATUS WINAPI RegFlushKey( HKEY hkey )
|
|
{
|
|
hkey = get_special_root_hkey( hkey );
|
|
if (!hkey) return ERROR_INVALID_HANDLE;
|
|
|
|
return RtlNtStatusToDosError( NtFlushKey( hkey ) );
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* RegConnectRegistryW [ADVAPI32.@]
|
|
*
|
|
* Establish a connection to a predefined registry key on another computer.
|
|
*
|
|
* PARAMS
|
|
* lpMachineName [I] Address of name of remote computer
|
|
* hHey [I] Predefined registry handle
|
|
* phkResult [I] Address of buffer for remote registry handle
|
|
*
|
|
* RETURNS
|
|
* Success: ERROR_SUCCESS
|
|
* Failure: nonzero error code from Winerror.h
|
|
*/
|
|
LSTATUS WINAPI RegConnectRegistryW( LPCWSTR lpMachineName, HKEY hKey,
|
|
PHKEY phkResult )
|
|
{
|
|
LONG ret;
|
|
|
|
TRACE("(%s,%p,%p): stub\n",debugstr_w(lpMachineName),hKey,phkResult);
|
|
|
|
if (!lpMachineName || !*lpMachineName) {
|
|
/* Use the local machine name */
|
|
ret = RegOpenKeyW( hKey, NULL, phkResult );
|
|
}
|
|
else {
|
|
WCHAR compName[MAX_COMPUTERNAME_LENGTH + 1];
|
|
DWORD len = sizeof(compName) / sizeof(WCHAR);
|
|
|
|
/* MSDN says lpMachineName must start with \\ : not so */
|
|
if( lpMachineName[0] == '\\' && lpMachineName[1] == '\\')
|
|
lpMachineName += 2;
|
|
if (GetComputerNameW(compName, &len))
|
|
{
|
|
if (!strcmpiW(lpMachineName, compName))
|
|
ret = RegOpenKeyW(hKey, NULL, phkResult);
|
|
else
|
|
{
|
|
FIXME("Connect to %s is not supported.\n",debugstr_w(lpMachineName));
|
|
ret = ERROR_BAD_NETPATH;
|
|
}
|
|
}
|
|
else
|
|
ret = GetLastError();
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* RegConnectRegistryA [ADVAPI32.@]
|
|
*
|
|
* See RegConnectRegistryW.
|
|
*/
|
|
LSTATUS WINAPI RegConnectRegistryA( LPCSTR machine, HKEY hkey, PHKEY reskey )
|
|
{
|
|
UNICODE_STRING machineW;
|
|
LONG ret;
|
|
|
|
RtlCreateUnicodeStringFromAsciiz( &machineW, machine );
|
|
ret = RegConnectRegistryW( machineW.Buffer, hkey, reskey );
|
|
RtlFreeUnicodeString( &machineW );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* RegNotifyChangeKeyValue [ADVAPI32.@]
|
|
*
|
|
* Notify the caller about changes to the attributes or contents of a registry key.
|
|
*
|
|
* PARAMS
|
|
* hkey [I] Handle of key to watch
|
|
* fWatchSubTree [I] Flag for subkey notification
|
|
* fdwNotifyFilter [I] Changes to be reported
|
|
* hEvent [I] Handle of signaled event
|
|
* fAsync [I] Flag for asynchronous reporting
|
|
*
|
|
* RETURNS
|
|
* Success: ERROR_SUCCESS
|
|
* Failure: nonzero error code from Winerror.h
|
|
*/
|
|
LSTATUS WINAPI RegNotifyChangeKeyValue( HKEY hkey, BOOL fWatchSubTree,
|
|
DWORD fdwNotifyFilter, HANDLE hEvent,
|
|
BOOL fAsync )
|
|
{
|
|
NTSTATUS status;
|
|
IO_STATUS_BLOCK iosb;
|
|
|
|
hkey = get_special_root_hkey( hkey );
|
|
if (!hkey) return ERROR_INVALID_HANDLE;
|
|
|
|
TRACE("(%p,%i,%d,%p,%i)\n", hkey, fWatchSubTree, fdwNotifyFilter,
|
|
hEvent, fAsync);
|
|
|
|
status = NtNotifyChangeKey( hkey, hEvent, NULL, NULL, &iosb,
|
|
fdwNotifyFilter, fAsync, NULL, 0,
|
|
fWatchSubTree);
|
|
|
|
if (status && status != STATUS_TIMEOUT)
|
|
return RtlNtStatusToDosError( status );
|
|
|
|
return ERROR_SUCCESS;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* RegOpenUserClassesRoot [ADVAPI32.@]
|
|
*
|
|
* Open the HKEY_CLASSES_ROOT key for a user.
|
|
*
|
|
* PARAMS
|
|
* hToken [I] Handle of token representing the user
|
|
* dwOptions [I] Reserved, must be 0
|
|
* samDesired [I] Desired access rights
|
|
* phkResult [O] Destination for the resulting key handle
|
|
*
|
|
* RETURNS
|
|
* Success: ERROR_SUCCESS
|
|
* Failure: nonzero error code from Winerror.h
|
|
*
|
|
* NOTES
|
|
* On Windows 2000 and upwards the HKEY_CLASSES_ROOT key is a view of the
|
|
* "HKEY_LOCAL_MACHINE\Software\Classes" and the
|
|
* "HKEY_CURRENT_USER\Software\Classes" keys merged together.
|
|
*/
|
|
LSTATUS WINAPI RegOpenUserClassesRoot(
|
|
HANDLE hToken,
|
|
DWORD dwOptions,
|
|
REGSAM samDesired,
|
|
PHKEY phkResult
|
|
)
|
|
{
|
|
FIXME("(%p, 0x%x, 0x%x, %p) semi-stub\n", hToken, dwOptions, samDesired, phkResult);
|
|
|
|
*phkResult = HKEY_CLASSES_ROOT;
|
|
return ERROR_SUCCESS;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* load_string [Internal]
|
|
*
|
|
* This is basically a copy of user32/resource.c's LoadStringW. Necessary to
|
|
* avoid importing user32, which is higher level than advapi32. Helper for
|
|
* RegLoadMUIString.
|
|
*/
|
|
static int load_string(HINSTANCE hModule, UINT resId, LPWSTR pwszBuffer, INT cMaxChars)
|
|
{
|
|
HGLOBAL hMemory;
|
|
HRSRC hResource;
|
|
WCHAR *pString;
|
|
int idxString;
|
|
|
|
/* Negative values have to be inverted. */
|
|
if (HIWORD(resId) == 0xffff)
|
|
resId = (UINT)(-((INT)resId));
|
|
|
|
/* Load the resource into memory and get a pointer to it. */
|
|
hResource = FindResourceW(hModule, MAKEINTRESOURCEW(LOWORD(resId >> 4) + 1), (LPWSTR)RT_STRING);
|
|
if (!hResource) return 0;
|
|
hMemory = LoadResource(hModule, hResource);
|
|
if (!hMemory) return 0;
|
|
pString = LockResource(hMemory);
|
|
|
|
/* Strings are length-prefixed. Lowest nibble of resId is an index. */
|
|
idxString = resId & 0xf;
|
|
while (idxString--) pString += *pString + 1;
|
|
|
|
/* If no buffer is given, return length of the string. */
|
|
if (!pwszBuffer) return *pString;
|
|
|
|
/* Else copy over the string, respecting the buffer size. */
|
|
cMaxChars = (*pString < cMaxChars) ? *pString : (cMaxChars - 1);
|
|
if (cMaxChars >= 0) {
|
|
memcpy(pwszBuffer, pString+1, cMaxChars * sizeof(WCHAR));
|
|
pwszBuffer[cMaxChars] = '\0';
|
|
}
|
|
|
|
return cMaxChars;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* RegLoadMUIStringW [ADVAPI32.@]
|
|
*
|
|
* Load the localized version of a string resource from some PE, respective
|
|
* id and path of which are given in the registry value in the format
|
|
* @[path]\dllname,-resourceId
|
|
*
|
|
* PARAMS
|
|
* hKey [I] Key, of which to load the string value from.
|
|
* pszValue [I] The value to be loaded (Has to be of REG_EXPAND_SZ or REG_SZ type).
|
|
* pszBuffer [O] Buffer to store the localized string in.
|
|
* cbBuffer [I] Size of the destination buffer in bytes.
|
|
* pcbData [O] Number of bytes written to pszBuffer (optional, may be NULL).
|
|
* dwFlags [I] None supported yet.
|
|
* pszBaseDir [I] Not supported yet.
|
|
*
|
|
* RETURNS
|
|
* Success: ERROR_SUCCESS,
|
|
* Failure: nonzero error code from winerror.h
|
|
*
|
|
* NOTES
|
|
* This is an API of Windows Vista, which wasn't available at the time this code
|
|
* was written. We have to check for the correct behaviour once it's available.
|
|
*/
|
|
LSTATUS WINAPI RegLoadMUIStringW(HKEY hKey, LPCWSTR pwszValue, LPWSTR pwszBuffer, DWORD cbBuffer,
|
|
LPDWORD pcbData, DWORD dwFlags, LPCWSTR pwszBaseDir)
|
|
{
|
|
DWORD dwValueType, cbData;
|
|
LPWSTR pwszTempBuffer = NULL, pwszExpandedBuffer = NULL;
|
|
LONG result;
|
|
|
|
TRACE("(hKey = %p, pwszValue = %s, pwszBuffer = %p, cbBuffer = %d, pcbData = %p, "
|
|
"dwFlags = %d, pwszBaseDir = %s) stub\n", hKey, debugstr_w(pwszValue), pwszBuffer,
|
|
cbBuffer, pcbData, dwFlags, debugstr_w(pwszBaseDir));
|
|
|
|
/* Parameter sanity checks. */
|
|
if (!hKey || !pwszBuffer)
|
|
return ERROR_INVALID_PARAMETER;
|
|
|
|
if (pwszBaseDir && *pwszBaseDir) {
|
|
FIXME("BaseDir parameter not yet supported!\n");
|
|
return ERROR_INVALID_PARAMETER;
|
|
}
|
|
|
|
/* Check for value existence and correctness of it's type, allocate a buffer and load it. */
|
|
result = RegQueryValueExW(hKey, pwszValue, NULL, &dwValueType, NULL, &cbData);
|
|
if (result != ERROR_SUCCESS) goto cleanup;
|
|
if (!(dwValueType == REG_SZ || dwValueType == REG_EXPAND_SZ) || !cbData) {
|
|
result = ERROR_FILE_NOT_FOUND;
|
|
goto cleanup;
|
|
}
|
|
pwszTempBuffer = HeapAlloc(GetProcessHeap(), 0, cbData);
|
|
if (!pwszTempBuffer) {
|
|
result = ERROR_NOT_ENOUGH_MEMORY;
|
|
goto cleanup;
|
|
}
|
|
result = RegQueryValueExW(hKey, pwszValue, NULL, &dwValueType, (LPBYTE)pwszTempBuffer, &cbData);
|
|
if (result != ERROR_SUCCESS) goto cleanup;
|
|
|
|
/* Expand environment variables, if appropriate, or copy the original string over. */
|
|
if (dwValueType == REG_EXPAND_SZ) {
|
|
cbData = ExpandEnvironmentStringsW(pwszTempBuffer, NULL, 0) * sizeof(WCHAR);
|
|
if (!cbData) goto cleanup;
|
|
pwszExpandedBuffer = HeapAlloc(GetProcessHeap(), 0, cbData);
|
|
if (!pwszExpandedBuffer) {
|
|
result = ERROR_NOT_ENOUGH_MEMORY;
|
|
goto cleanup;
|
|
}
|
|
ExpandEnvironmentStringsW(pwszTempBuffer, pwszExpandedBuffer, cbData);
|
|
} else {
|
|
pwszExpandedBuffer = HeapAlloc(GetProcessHeap(), 0, cbData);
|
|
memcpy(pwszExpandedBuffer, pwszTempBuffer, cbData);
|
|
}
|
|
|
|
/* If the value references a resource based string, parse the value and load the string.
|
|
* Else just copy over the original value. */
|
|
result = ERROR_SUCCESS;
|
|
if (*pwszExpandedBuffer != '@') { /* '@' is the prefix for resource based string entries. */
|
|
lstrcpynW(pwszBuffer, pwszExpandedBuffer, cbBuffer / sizeof(WCHAR));
|
|
} else {
|
|
WCHAR *pComma = strrchrW(pwszExpandedBuffer, ',');
|
|
UINT uiStringId;
|
|
HMODULE hModule;
|
|
|
|
/* Format of the expanded value is 'path_to_dll,-resId' */
|
|
if (!pComma || pComma[1] != '-') {
|
|
result = ERROR_BADKEY;
|
|
goto cleanup;
|
|
}
|
|
|
|
uiStringId = atoiW(pComma+2);
|
|
*pComma = '\0';
|
|
|
|
hModule = LoadLibraryW(pwszExpandedBuffer + 1);
|
|
if (!hModule || !load_string(hModule, uiStringId, pwszBuffer, cbBuffer/sizeof(WCHAR)))
|
|
result = ERROR_BADKEY;
|
|
FreeLibrary(hModule);
|
|
}
|
|
|
|
cleanup:
|
|
HeapFree(GetProcessHeap(), 0, pwszTempBuffer);
|
|
HeapFree(GetProcessHeap(), 0, pwszExpandedBuffer);
|
|
return result;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* RegLoadMUIStringA [ADVAPI32.@]
|
|
*
|
|
* See RegLoadMUIStringW
|
|
*/
|
|
LSTATUS WINAPI RegLoadMUIStringA(HKEY hKey, LPCSTR pszValue, LPSTR pszBuffer, DWORD cbBuffer,
|
|
LPDWORD pcbData, DWORD dwFlags, LPCSTR pszBaseDir)
|
|
{
|
|
UNICODE_STRING valueW, baseDirW;
|
|
WCHAR *pwszBuffer;
|
|
DWORD cbData = cbBuffer * sizeof(WCHAR);
|
|
LONG result;
|
|
|
|
valueW.Buffer = baseDirW.Buffer = pwszBuffer = NULL;
|
|
if (!RtlCreateUnicodeStringFromAsciiz(&valueW, pszValue) ||
|
|
!RtlCreateUnicodeStringFromAsciiz(&baseDirW, pszBaseDir) ||
|
|
!(pwszBuffer = HeapAlloc(GetProcessHeap(), 0, cbData)))
|
|
{
|
|
result = ERROR_NOT_ENOUGH_MEMORY;
|
|
goto cleanup;
|
|
}
|
|
|
|
result = RegLoadMUIStringW(hKey, valueW.Buffer, pwszBuffer, cbData, NULL, dwFlags,
|
|
baseDirW.Buffer);
|
|
|
|
if (result == ERROR_SUCCESS) {
|
|
cbData = WideCharToMultiByte(CP_ACP, 0, pwszBuffer, -1, pszBuffer, cbBuffer, NULL, NULL);
|
|
if (pcbData)
|
|
*pcbData = cbData;
|
|
}
|
|
|
|
cleanup:
|
|
HeapFree(GetProcessHeap(), 0, pwszBuffer);
|
|
RtlFreeUnicodeString(&baseDirW);
|
|
RtlFreeUnicodeString(&valueW);
|
|
|
|
return result;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* RegDisablePredefinedCache [ADVAPI32.@]
|
|
*
|
|
* Disables the caching of the HKEY_CLASSES_ROOT key for the process.
|
|
*
|
|
* PARAMS
|
|
* None.
|
|
*
|
|
* RETURNS
|
|
* Success: ERROR_SUCCESS
|
|
* Failure: nonzero error code from Winerror.h
|
|
*
|
|
* NOTES
|
|
* This is useful for services that use impersonation.
|
|
*/
|
|
LSTATUS WINAPI RegDisablePredefinedCache(void)
|
|
{
|
|
HKEY hkey_current_user;
|
|
int idx = (UINT_PTR)HKEY_CURRENT_USER - (UINT_PTR)HKEY_SPECIAL_ROOT_FIRST;
|
|
|
|
/* prevent caching of future requests */
|
|
hkcu_cache_disabled = TRUE;
|
|
|
|
hkey_current_user = InterlockedExchangePointer( (void **)&special_root_keys[idx], NULL );
|
|
|
|
if (hkey_current_user)
|
|
NtClose( hkey_current_user );
|
|
|
|
return ERROR_SUCCESS;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* RegDeleteTreeW [ADVAPI32.@]
|
|
*
|
|
*/
|
|
LSTATUS WINAPI RegDeleteTreeW(HKEY hKey, LPCWSTR lpszSubKey)
|
|
{
|
|
LONG ret;
|
|
DWORD dwMaxSubkeyLen, dwMaxValueLen;
|
|
DWORD dwMaxLen, dwSize;
|
|
WCHAR szNameBuf[MAX_PATH], *lpszName = szNameBuf;
|
|
HKEY hSubKey = hKey;
|
|
|
|
TRACE("(hkey=%p,%p %s)\n", hKey, lpszSubKey, debugstr_w(lpszSubKey));
|
|
|
|
if(lpszSubKey)
|
|
{
|
|
ret = RegOpenKeyExW(hKey, lpszSubKey, 0, KEY_READ, &hSubKey);
|
|
if (ret) return ret;
|
|
}
|
|
|
|
/* Get highest length for keys, values */
|
|
ret = RegQueryInfoKeyW(hSubKey, NULL, NULL, NULL, NULL,
|
|
&dwMaxSubkeyLen, NULL, NULL, &dwMaxValueLen, NULL, NULL, NULL);
|
|
if (ret) goto cleanup;
|
|
|
|
dwMaxSubkeyLen++;
|
|
dwMaxValueLen++;
|
|
dwMaxLen = max(dwMaxSubkeyLen, dwMaxValueLen);
|
|
if (dwMaxLen > sizeof(szNameBuf)/sizeof(WCHAR))
|
|
{
|
|
/* Name too big: alloc a buffer for it */
|
|
if (!(lpszName = HeapAlloc( GetProcessHeap(), 0, dwMaxLen*sizeof(WCHAR))))
|
|
{
|
|
ret = ERROR_NOT_ENOUGH_MEMORY;
|
|
goto cleanup;
|
|
}
|
|
}
|
|
|
|
|
|
/* Recursively delete all the subkeys */
|
|
while (TRUE)
|
|
{
|
|
dwSize = dwMaxLen;
|
|
if (RegEnumKeyExW(hSubKey, 0, lpszName, &dwSize, NULL,
|
|
NULL, NULL, NULL)) break;
|
|
|
|
ret = RegDeleteTreeW(hSubKey, lpszName);
|
|
if (ret) goto cleanup;
|
|
}
|
|
|
|
if (lpszSubKey)
|
|
ret = RegDeleteKeyW(hKey, lpszSubKey);
|
|
else
|
|
while (TRUE)
|
|
{
|
|
dwSize = dwMaxLen;
|
|
if (RegEnumValueW(hKey, 0, lpszName, &dwSize,
|
|
NULL, NULL, NULL, NULL)) break;
|
|
|
|
ret = RegDeleteValueW(hKey, lpszName);
|
|
if (ret) goto cleanup;
|
|
}
|
|
|
|
cleanup:
|
|
/* Free buffer if allocated */
|
|
if (lpszName != szNameBuf)
|
|
HeapFree( GetProcessHeap(), 0, lpszName);
|
|
if(lpszSubKey)
|
|
RegCloseKey(hSubKey);
|
|
return ret;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* RegDeleteTreeA [ADVAPI32.@]
|
|
*
|
|
*/
|
|
LSTATUS WINAPI RegDeleteTreeA(HKEY hKey, LPCSTR lpszSubKey)
|
|
{
|
|
LONG ret;
|
|
UNICODE_STRING lpszSubKeyW;
|
|
|
|
if (lpszSubKey) RtlCreateUnicodeStringFromAsciiz( &lpszSubKeyW, lpszSubKey);
|
|
else lpszSubKeyW.Buffer = NULL;
|
|
ret = RegDeleteTreeW( hKey, lpszSubKeyW.Buffer);
|
|
RtlFreeUnicodeString( &lpszSubKeyW );
|
|
return ret;
|
|
}
|