From 95c5b669a2959621a746a86172ff516b5b4903d7 Mon Sep 17 00:00:00 2001 From: Hugh McMaster Date: Sat, 6 Apr 2013 21:34:56 +1100 Subject: add file to dlls/kernel32 --- dlls/kernel32/advapi32_registry.c | 2928 +++++++++++++++++++++++++++++++++++++ 1 file changed, 2928 insertions(+) create mode 100644 dlls/kernel32/advapi32_registry.c diff --git a/dlls/kernel32/advapi32_registry.c b/dlls/kernel32/advapi32_registry.c new file mode 100644 index 0000000..c01e125 --- /dev/null +++ b/dlls/kernel32/advapi32_registry.c @@ -0,0 +1,2928 @@ +/* + * Registry management + * + * Copyright (C) 1999 Alexandre Julliard + * + * Based on misc/registry.c code + * Copyright (C) 1996 Marcus Meissner + * Copyright (C) 1998 Matthew Becker + * Copyright (C) 1999 Sylvain St-Germain + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA + */ + +#include +#include +#include + +#include "ntstatus.h" +#define WIN32_NO_STATUS +#include "windef.h" +#include "winbase.h" +#include "winreg.h" +#include "winerror.h" +#include "winternl.h" +#include "winuser.h" + +#include "wine/unicode.h" +#include "wine/debug.h" + +WINE_DEFAULT_DEBUG_CHANNEL(reg); + +#define HKEY_SPECIAL_ROOT_FIRST HKEY_CLASSES_ROOT +#define HKEY_SPECIAL_ROOT_LAST HKEY_DYN_DATA + +static const WCHAR name_CLASSES_ROOT[] = + {'M','a','c','h','i','n','e','\\', + 'S','o','f','t','w','a','r','e','\\', + 'C','l','a','s','s','e','s',0}; +static const WCHAR name_LOCAL_MACHINE[] = + {'M','a','c','h','i','n','e',0}; +static const WCHAR name_USERS[] = + {'U','s','e','r',0}; +static const WCHAR name_PERFORMANCE_DATA[] = + {'P','e','r','f','D','a','t','a',0}; +static const WCHAR name_CURRENT_CONFIG[] = + {'M','a','c','h','i','n','e','\\', + 'S','y','s','t','e','m','\\', + 'C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\\', + 'H','a','r','d','w','a','r','e',' ','P','r','o','f','i','l','e','s','\\', + 'C','u','r','r','e','n','t',0}; +static const WCHAR name_DYN_DATA[] = + {'D','y','n','D','a','t','a',0}; + +static const WCHAR * const root_key_names[] = +{ + name_CLASSES_ROOT, + NULL, /* HKEY_CURRENT_USER is determined dynamically */ + name_LOCAL_MACHINE, + name_USERS, + name_PERFORMANCE_DATA, + name_CURRENT_CONFIG, + name_DYN_DATA +}; + +#define NB_SPECIAL_ROOT_KEYS (sizeof(root_key_names)/sizeof(root_key_names[0])) + +static HKEY special_root_keys[NB_SPECIAL_ROOT_KEYS]; +static BOOL hkcu_cache_disabled; + +static const int is_win64 = (sizeof(void *) > sizeof(int)); + +/* check if value type needs string conversion (Ansi<->Unicode) */ +static inline int is_string( DWORD type ) +{ + return (type == REG_SZ) || (type == REG_EXPAND_SZ) || (type == REG_MULTI_SZ); +} + +/* check if current version is NT or Win95 */ +static inline int is_version_nt(void) +{ + return !(GetVersion() & 0x80000000); +} + +static BOOL is_wow6432node( const UNICODE_STRING *name ) +{ + static const WCHAR wow6432nodeW[] = {'W','o','w','6','4','3','2','N','o','d','e'}; + + return (name->Length == sizeof(wow6432nodeW) && + !memicmpW( name->Buffer, wow6432nodeW, sizeof(wow6432nodeW)/sizeof(WCHAR) )); +} + +/* open the Wow6432Node subkey of the specified key */ +static HANDLE open_wow6432node( HANDLE key, const UNICODE_STRING *name ) +{ + static const WCHAR wow6432nodeW[] = {'W','o','w','6','4','3','2','N','o','d','e',0}; + OBJECT_ATTRIBUTES attr; + UNICODE_STRING nameW; + HANDLE ret; + + attr.Length = sizeof(attr); + attr.RootDirectory = key; + attr.ObjectName = &nameW; + attr.Attributes = 0; + attr.SecurityDescriptor = NULL; + attr.SecurityQualityOfService = NULL; + RtlInitUnicodeString( &nameW, wow6432nodeW ); + if (NtOpenKey( &ret, MAXIMUM_ALLOWED, &attr )) ret = 0; + return ret; +} + +/* wrapper for NtCreateKey that creates the key recursively if necessary */ +static NTSTATUS create_key( HKEY *retkey, ACCESS_MASK access, OBJECT_ATTRIBUTES *attr, + const UNICODE_STRING *class, ULONG options, PULONG dispos ) +{ + BOOL force_wow32 = is_win64 && (access & KEY_WOW64_32KEY); + NTSTATUS status = STATUS_OBJECT_NAME_NOT_FOUND; + + if (!force_wow32) status = NtCreateKey( (HANDLE *)retkey, access, attr, 0, class, options, dispos ); + + if (status == STATUS_OBJECT_NAME_NOT_FOUND) + { + HANDLE subkey, root = attr->RootDirectory; + WCHAR *buffer = attr->ObjectName->Buffer; + DWORD attrs, pos = 0, i = 0, len = attr->ObjectName->Length / sizeof(WCHAR); + UNICODE_STRING str; + + while (i < len && buffer[i] != '\\') i++; + if (i == len && !force_wow32) return status; + + attrs = attr->Attributes; + attr->Attributes &= ~OBJ_OPENLINK; + attr->ObjectName = &str; + + while (i < len) + { + str.Buffer = buffer + pos; + str.Length = (i - pos) * sizeof(WCHAR); + if (force_wow32 && pos) + { + if (is_wow6432node( &str )) force_wow32 = FALSE; + else if ((subkey = open_wow6432node( attr->RootDirectory, &str ))) + { + if (attr->RootDirectory != root) NtClose( attr->RootDirectory ); + attr->RootDirectory = subkey; + force_wow32 = FALSE; + } + } + status = NtCreateKey( &subkey, access, attr, 0, class, + options & ~REG_OPTION_CREATE_LINK, dispos ); + if (attr->RootDirectory != root) NtClose( attr->RootDirectory ); + if (status) return status; + attr->RootDirectory = subkey; + while (i < len && buffer[i] == '\\') i++; + pos = i; + while (i < len && buffer[i] != '\\') i++; + } + str.Buffer = buffer + pos; + str.Length = (i - pos) * sizeof(WCHAR); + attr->Attributes = attrs; + status = NtCreateKey( (PHANDLE)retkey, access, attr, 0, class, options, dispos ); + if (attr->RootDirectory != root) NtClose( attr->RootDirectory ); + } + return status; +} + +/* wrapper for NtOpenKey to handle Wow6432 nodes */ +static NTSTATUS open_key( HKEY *retkey, ACCESS_MASK access, OBJECT_ATTRIBUTES *attr ) +{ + NTSTATUS status; + BOOL force_wow32 = is_win64 && (access & KEY_WOW64_32KEY); + HANDLE subkey, root = attr->RootDirectory; + WCHAR *buffer = attr->ObjectName->Buffer; + DWORD attrs, pos = 0, i = 0, len = attr->ObjectName->Length / sizeof(WCHAR); + UNICODE_STRING str; + + if (!force_wow32) return NtOpenKey( (HANDLE *)retkey, access, attr ); + + if (len && buffer[0] == '\\') return STATUS_OBJECT_PATH_INVALID; + while (i < len && buffer[i] != '\\') i++; + attrs = attr->Attributes; + attr->Attributes &= ~OBJ_OPENLINK; + attr->ObjectName = &str; + + while (i < len) + { + str.Buffer = buffer + pos; + str.Length = (i - pos) * sizeof(WCHAR); + if (force_wow32 && pos) + { + if (is_wow6432node( &str )) force_wow32 = FALSE; + else if ((subkey = open_wow6432node( attr->RootDirectory, &str ))) + { + if (attr->RootDirectory != root) NtClose( attr->RootDirectory ); + attr->RootDirectory = subkey; + force_wow32 = FALSE; + } + } + status = NtOpenKey( &subkey, access, attr ); + if (attr->RootDirectory != root) NtClose( attr->RootDirectory ); + if (status) return status; + attr->RootDirectory = subkey; + while (i < len && buffer[i] == '\\') i++; + pos = i; + while (i < len && buffer[i] != '\\') i++; + } + str.Buffer = buffer + pos; + str.Length = (i - pos) * sizeof(WCHAR); + attr->Attributes = attrs; + status = NtOpenKey( (PHANDLE)retkey, access, attr ); + if (attr->RootDirectory != root) NtClose( attr->RootDirectory ); + return status; + +} + +/* create one of the HKEY_* special root keys */ +static HKEY create_special_root_hkey( HKEY hkey, DWORD access ) +{ + HKEY ret = 0; + int idx = HandleToUlong(hkey) - HandleToUlong(HKEY_SPECIAL_ROOT_FIRST); + + if (HandleToUlong(hkey) == HandleToUlong(HKEY_CURRENT_USER)) + { + if (RtlOpenCurrentUser( access, (HANDLE *)&hkey )) return 0; + TRACE( "HKEY_CURRENT_USER -> %p\n", hkey ); + + /* don't cache the key in the table if caching is disabled */ + if (hkcu_cache_disabled) + return hkey; + } + else + { + OBJECT_ATTRIBUTES attr; + UNICODE_STRING name; + + attr.Length = sizeof(attr); + attr.RootDirectory = 0; + attr.ObjectName = &name; + attr.Attributes = 0; + attr.SecurityDescriptor = NULL; + attr.SecurityQualityOfService = NULL; + RtlInitUnicodeString( &name, root_key_names[idx] ); + if (create_key( &hkey, access, &attr, NULL, 0, NULL )) return 0; + TRACE( "%s -> %p\n", debugstr_w(attr.ObjectName->Buffer), hkey ); + } + + if (!(ret = InterlockedCompareExchangePointer( (void **)&special_root_keys[idx], hkey, 0 ))) + ret = hkey; + else + NtClose( hkey ); /* somebody beat us to it */ + return ret; +} + +/* map the hkey from special root to normal key if necessary */ +static inline HKEY get_special_root_hkey( HKEY hkey ) +{ + HKEY ret = hkey; + + if ((HandleToUlong(hkey) >= HandleToUlong(HKEY_SPECIAL_ROOT_FIRST)) + && (HandleToUlong(hkey) <= HandleToUlong(HKEY_SPECIAL_ROOT_LAST))) + { + if (!(ret = special_root_keys[HandleToUlong(hkey) - HandleToUlong(HKEY_SPECIAL_ROOT_FIRST)])) + ret = create_special_root_hkey( hkey, MAXIMUM_ALLOWED ); + } + return ret; +} + + +/****************************************************************************** + * RegOverridePredefKey [ADVAPI32.@] + */ +LSTATUS WINAPI RegOverridePredefKey( HKEY hkey, HKEY override ) +{ + HKEY old_key; + int idx; + + TRACE("(%p %p)\n", hkey, override); + + if ((HandleToUlong(hkey) < HandleToUlong(HKEY_SPECIAL_ROOT_FIRST)) + || (HandleToUlong(hkey) > HandleToUlong(HKEY_SPECIAL_ROOT_LAST))) + return ERROR_INVALID_PARAMETER; + idx = HandleToUlong(hkey) - HandleToUlong(HKEY_SPECIAL_ROOT_FIRST); + + if (override) + { + NTSTATUS status = NtDuplicateObject( GetCurrentProcess(), override, + GetCurrentProcess(), (HANDLE *)&override, + 0, 0, DUPLICATE_SAME_ACCESS ); + if (status) return RtlNtStatusToDosError( status ); + } + + old_key = InterlockedExchangePointer( (void **)&special_root_keys[idx], override ); + if (old_key) NtClose( old_key ); + return ERROR_SUCCESS; +} + + +/****************************************************************************** + * RegCreateKeyExW [ADVAPI32.@] + * + * See RegCreateKeyExA. + */ +LSTATUS WINAPI RegCreateKeyExW( HKEY hkey, LPCWSTR name, DWORD reserved, LPWSTR class, + DWORD options, REGSAM access, SECURITY_ATTRIBUTES *sa, + PHKEY retkey, LPDWORD dispos ) +{ + OBJECT_ATTRIBUTES attr; + UNICODE_STRING nameW, classW; + + if (reserved) return ERROR_INVALID_PARAMETER; + if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE; + + attr.Length = sizeof(attr); + attr.RootDirectory = hkey; + attr.ObjectName = &nameW; + attr.Attributes = 0; + attr.SecurityDescriptor = NULL; + attr.SecurityQualityOfService = NULL; + if (options & REG_OPTION_OPEN_LINK) attr.Attributes |= OBJ_OPENLINK; + RtlInitUnicodeString( &nameW, name ); + RtlInitUnicodeString( &classW, class ); + + return RtlNtStatusToDosError( create_key( retkey, access, &attr, &classW, options, dispos ) ); +} + + +/****************************************************************************** + * RegCreateKeyExA [ADVAPI32.@] + * + * Open a registry key, creating it if it doesn't exist. + * + * PARAMS + * hkey [I] Handle of the parent registry key + * name [I] Name of the new key to open or create + * reserved [I] Reserved, pass 0 + * class [I] The object type of the new key + * options [I] Flags controlling the key creation (REG_OPTION_* flags from "winnt.h") + * access [I] Access level desired + * sa [I] Security attributes for the key + * retkey [O] Destination for the resulting handle + * dispos [O] Receives REG_CREATED_NEW_KEY or REG_OPENED_EXISTING_KEY + * + * RETURNS + * Success: ERROR_SUCCESS. + * Failure: A standard Win32 error code. retkey remains untouched. + * + * FIXME + * MAXIMUM_ALLOWED in access mask not supported by server + */ +LSTATUS WINAPI RegCreateKeyExA( HKEY hkey, LPCSTR name, DWORD reserved, LPSTR class, + DWORD options, REGSAM access, SECURITY_ATTRIBUTES *sa, + PHKEY retkey, LPDWORD dispos ) +{ + OBJECT_ATTRIBUTES attr; + UNICODE_STRING classW; + ANSI_STRING nameA, classA; + NTSTATUS status; + + if (reserved) return ERROR_INVALID_PARAMETER; + if (!is_version_nt()) + { + access = MAXIMUM_ALLOWED; /* Win95 ignores the access mask */ + if (name && *name == '\\') name++; /* win9x,ME ignores one (and only one) beginning backslash */ + } + if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE; + + attr.Length = sizeof(attr); + attr.RootDirectory = hkey; + attr.ObjectName = &NtCurrentTeb()->StaticUnicodeString; + attr.Attributes = 0; + attr.SecurityDescriptor = NULL; + attr.SecurityQualityOfService = NULL; + if (options & REG_OPTION_OPEN_LINK) attr.Attributes |= OBJ_OPENLINK; + RtlInitAnsiString( &nameA, name ); + RtlInitAnsiString( &classA, class ); + + if (!(status = RtlAnsiStringToUnicodeString( &NtCurrentTeb()->StaticUnicodeString, + &nameA, FALSE ))) + { + if (!(status = RtlAnsiStringToUnicodeString( &classW, &classA, TRUE ))) + { + status = create_key( retkey, access, &attr, &classW, options, dispos ); + RtlFreeUnicodeString( &classW ); + } + } + return RtlNtStatusToDosError( status ); +} + + +/****************************************************************************** + * RegCreateKeyW [ADVAPI32.@] + * + * Creates the specified reg key. + * + * PARAMS + * hKey [I] Handle to an open key. + * lpSubKey [I] Name of a key that will be opened or created. + * phkResult [O] Receives a handle to the opened or created key. + * + * RETURNS + * Success: ERROR_SUCCESS + * Failure: nonzero error code defined in Winerror.h + */ +LSTATUS WINAPI RegCreateKeyW( HKEY hkey, LPCWSTR lpSubKey, PHKEY phkResult ) +{ + /* FIXME: previous implementation converted ERROR_INVALID_HANDLE to ERROR_BADKEY, */ + /* but at least my version of NT (4.0 SP5) doesn't do this. -- AJ */ + return RegCreateKeyExW( hkey, lpSubKey, 0, NULL, REG_OPTION_NON_VOLATILE, + MAXIMUM_ALLOWED, NULL, phkResult, NULL ); +} + + +/****************************************************************************** + * RegCreateKeyA [ADVAPI32.@] + * + * See RegCreateKeyW. + */ +LSTATUS WINAPI RegCreateKeyA( HKEY hkey, LPCSTR lpSubKey, PHKEY phkResult ) +{ + return RegCreateKeyExA( hkey, lpSubKey, 0, NULL, REG_OPTION_NON_VOLATILE, + MAXIMUM_ALLOWED, NULL, phkResult, NULL ); +} + + + +/****************************************************************************** + * RegOpenKeyExW [ADVAPI32.@] + * + * See RegOpenKeyExA. + */ +LSTATUS WINAPI RegOpenKeyExW( HKEY hkey, LPCWSTR name, DWORD options, REGSAM access, PHKEY retkey ) +{ + OBJECT_ATTRIBUTES attr; + UNICODE_STRING nameW; + + /* NT+ allows beginning backslash for HKEY_CLASSES_ROOT */ + if (HandleToUlong(hkey) == HandleToUlong(HKEY_CLASSES_ROOT) && name && *name == '\\') name++; + + if (!retkey) return ERROR_INVALID_PARAMETER; + if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE; + + attr.Length = sizeof(attr); + attr.RootDirectory = hkey; + attr.ObjectName = &nameW; + attr.Attributes = 0; + attr.SecurityDescriptor = NULL; + attr.SecurityQualityOfService = NULL; + if (options & REG_OPTION_OPEN_LINK) attr.Attributes |= OBJ_OPENLINK; + RtlInitUnicodeString( &nameW, name ); + return RtlNtStatusToDosError( open_key( retkey, access, &attr ) ); +} + + +/****************************************************************************** + * RegOpenKeyExA [ADVAPI32.@] + * + * Open a registry key. + * + * PARAMS + * hkey [I] Handle of open key + * name [I] Name of subkey to open + * options [I] Open options (can be set to REG_OPTION_OPEN_LINK) + * access [I] Security access mask + * retkey [O] Handle to open key + * + * RETURNS + * Success: ERROR_SUCCESS + * Failure: A standard Win32 error code. retkey is set to 0. + * + * NOTES + * Unlike RegCreateKeyExA(), this function will not create the key if it + * does not exist. + */ +LSTATUS WINAPI RegOpenKeyExA( HKEY hkey, LPCSTR name, DWORD options, REGSAM access, PHKEY retkey ) +{ + OBJECT_ATTRIBUTES attr; + STRING nameA; + NTSTATUS status; + + if (!is_version_nt()) access = MAXIMUM_ALLOWED; /* Win95 ignores the access mask */ + else + { + /* NT+ allows beginning backslash for HKEY_CLASSES_ROOT */ + if (HandleToUlong(hkey) == HandleToUlong(HKEY_CLASSES_ROOT) && name && *name == '\\') name++; + } + + if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE; + + attr.Length = sizeof(attr); + attr.RootDirectory = hkey; + attr.ObjectName = &NtCurrentTeb()->StaticUnicodeString; + attr.Attributes = 0; + attr.SecurityDescriptor = NULL; + attr.SecurityQualityOfService = NULL; + if (options & REG_OPTION_OPEN_LINK) attr.Attributes |= OBJ_OPENLINK; + + RtlInitAnsiString( &nameA, name ); + if (!(status = RtlAnsiStringToUnicodeString( &NtCurrentTeb()->StaticUnicodeString, + &nameA, FALSE ))) + { + status = open_key( retkey, access, &attr ); + } + return RtlNtStatusToDosError( status ); +} + + +/****************************************************************************** + * RegOpenKeyW [ADVAPI32.@] + * + * See RegOpenKeyA. + */ +LSTATUS WINAPI RegOpenKeyW( HKEY hkey, LPCWSTR name, PHKEY retkey ) +{ + if (!retkey) + return ERROR_INVALID_PARAMETER; + + if (!name || !*name) + { + *retkey = hkey; + return ERROR_SUCCESS; + } + return RegOpenKeyExW( hkey, name, 0, MAXIMUM_ALLOWED, retkey ); +} + + +/****************************************************************************** + * RegOpenKeyA [ADVAPI32.@] + * + * Open a registry key. + * + * PARAMS + * hkey [I] Handle of parent key to open the new key under + * name [I] Name of the key under hkey to open + * retkey [O] Destination for the resulting Handle + * + * RETURNS + * Success: ERROR_SUCCESS + * Failure: A standard Win32 error code. When retkey is valid, *retkey is set to 0. + */ +LSTATUS WINAPI RegOpenKeyA( HKEY hkey, LPCSTR name, PHKEY retkey ) +{ + if (!retkey) + return ERROR_INVALID_PARAMETER; + + if (!name || !*name) + { + *retkey = hkey; + return ERROR_SUCCESS; + } + return RegOpenKeyExA( hkey, name, 0, MAXIMUM_ALLOWED, retkey ); +} + + +/****************************************************************************** + * RegOpenCurrentUser [ADVAPI32.@] + * + * Get a handle to the HKEY_CURRENT_USER key for the user + * the current thread is impersonating. + * + * PARAMS + * access [I] Desired access rights to the key + * retkey [O] Handle to the opened key + * + * RETURNS + * Success: ERROR_SUCCESS + * Failure: nonzero error code from Winerror.h + * + * FIXME + * This function is supposed to retrieve a handle to the + * HKEY_CURRENT_USER for the user the current thread is impersonating. + * Since Wine does not currently allow threads to impersonate other users, + * this stub should work fine. + */ +LSTATUS WINAPI RegOpenCurrentUser( REGSAM access, PHKEY retkey ) +{ + return RegOpenKeyExA( HKEY_CURRENT_USER, "", 0, access, retkey ); +} + + + +/****************************************************************************** + * 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 + * reserved [I] Reserved + * class [O] Buffer for class string + * class_len [O] Size of class buffer + * ft [O] Time key last written to + * + * RETURNS + * Success: ERROR_SUCCESS + * Failure: System error code. If there are no more subkeys available, the + * function returns ERROR_NO_MORE_ITEMS. + */ +LSTATUS WINAPI RegEnumKeyExW( HKEY hkey, DWORD index, LPWSTR name, LPDWORD name_len, + 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; + + 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 = 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 ) ); +} + + +/****************************************************************************** + * RegDeleteKeyExW [ADVAPI32.@] + */ +LSTATUS WINAPI RegDeleteKeyExW( HKEY hkey, LPCWSTR name, REGSAM access, DWORD reserved ) +{ + DWORD ret; + HKEY tmp; + + if (!name) return ERROR_INVALID_PARAMETER; + + if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE; + + access &= KEY_WOW64_64KEY | KEY_WOW64_32KEY; + if (!(ret = RegOpenKeyExW( hkey, name, 0, access | DELETE, &tmp ))) + { + ret = RtlNtStatusToDosError( NtDeleteKey( tmp ) ); + RegCloseKey( tmp ); + } + TRACE("%s ret=%08x\n", debugstr_w(name), ret); + return ret; +} + + +/****************************************************************************** + * RegDeleteKeyW [ADVAPI32.@] + * + * See RegDeleteKeyA. + */ +LSTATUS WINAPI RegDeleteKeyW( HKEY hkey, LPCWSTR name ) +{ + return RegDeleteKeyExW( hkey, name, 0, 0 ); +} + + +/****************************************************************************** + * RegDeleteKeyExA [ADVAPI32.@] + */ +LSTATUS WINAPI RegDeleteKeyExA( HKEY hkey, LPCSTR name, REGSAM access, DWORD reserved ) +{ + DWORD ret; + HKEY tmp; + + if (!name) return ERROR_INVALID_PARAMETER; + + if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE; + + access &= KEY_WOW64_64KEY | KEY_WOW64_32KEY; + if (!(ret = RegOpenKeyExA( hkey, name, 0, access | DELETE, &tmp ))) + { + if (!is_version_nt()) /* win95 does recursive key deletes */ + { + CHAR sub[MAX_PATH]; + + while(!RegEnumKeyA(tmp, 0, sub, sizeof(sub))) + { + if(RegDeleteKeyExA(tmp, sub, access, reserved)) /* recurse */ + break; + } + } + ret = RtlNtStatusToDosError( NtDeleteKey( tmp ) ); + RegCloseKey( tmp ); + } + TRACE("%s ret=%08x\n", debugstr_a(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 ) +{ + return RegDeleteKeyExA( hkey, name, 0, 0 ); +} + + + +/****************************************************************************** + * 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 (data && ((ULONG_PTR)data >> 16) == 0) return ERROR_NOACCESS; + + 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; + UNICODE_STRING nameW; + 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( &nameW, &nameA, TRUE ))) + { + status = NtSetValueKey( hkey, &nameW, 0, type, data, count ); + RtlFreeUnicodeString( &nameW ); + } + 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; + UNICODE_STRING nameW; + 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( &nameW, &nameA, TRUE ))) + return RtlNtStatusToDosError(status); + + status = NtQueryValueKey( hkey, &nameW, 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, &nameW, 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 ); + RtlFreeUnicodeString( &nameW ); + 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, debugstr_a(pszSubKey), debugstr_a(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 ) +{ + ANSI_STRING nameA; + UNICODE_STRING nameW; + NTSTATUS status; + + if (!(hkey = get_special_root_hkey( hkey ))) return ERROR_INVALID_HANDLE; + + RtlInitAnsiString( &nameA, name ); + if (!(status = RtlAnsiStringToUnicodeString( &nameW, &nameA, TRUE ))) + { + status = NtDeleteValueKey( hkey, &nameW ); + RtlFreeUnicodeString( &nameW ); + } + 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)\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)\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 = HandleToUlong(HKEY_CURRENT_USER) - HandleToUlong(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; +} + +/****************************************************************************** + * RegDisableReflectionKey [ADVAPI32.@] + * + */ +LONG WINAPI RegDisableReflectionKey(HKEY base) +{ + FIXME("%p: stub\n", base); + return ERROR_SUCCESS; +} -- 1.7.10.4