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reactos/subsystems/win/basesrv/nls.c

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/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS Base API Server DLL
* FILE: subsystems/win/basesrv/nls.c
* PURPOSE: National Language Support (NLS)
* PROGRAMMERS: Alex Ionescu (alex.ionescu@reactos.org)
*/
/* INCLUDES *******************************************************************/
#include "basesrv.h"
#include <ndk/mmfuncs.h>
#define NDEBUG
#include <debug.h>
/* GLOBALS ********************************************************************/
RTL_CRITICAL_SECTION NlsCacheCriticalSection;
PNLS_USER_INFO pNlsRegUserInfo;
BOOLEAN BaseSrvKernel32DelayLoadComplete;
HANDLE BaseSrvKernel32DllHandle;
UNICODE_STRING BaseSrvKernel32DllPath;
POPEN_DATA_FILE pOpenDataFile;
PVOID /*PGET_DEFAULT_SORTKEY_SIZE */ pGetDefaultSortkeySize;
PVOID /*PGET_LINGUIST_LANG_SIZE*/ pGetLinguistLangSize;
PVOID /*PNLS_CONVERT_INTEGER_TO_STRING*/ pNlsConvertIntegerToString;
PVOID /*PVALIDATE_LCTYPE*/ pValidateLCType;
PVALIDATE_LOCALE pValidateLocale;
PGET_NLS_SECTION_NAME pGetNlsSectionName;
PVOID /*PGET_USER_DEFAULT_LANGID*/ pGetUserDefaultLangID;
PGET_CP_FILE_NAME_FROM_REGISTRY pGetCPFileNameFromRegistry;
PCREATE_NLS_SECURTY_DESCRIPTOR pCreateNlsSecurityDescriptor;
BASESRV_KERNEL_IMPORTS BaseSrvKernel32Imports[10] =
{
{ "OpenDataFile", (PVOID*) &pOpenDataFile },
{ "GetDefaultSortkeySize", (PVOID*) &pGetDefaultSortkeySize },
{ "GetLinguistLangSize", (PVOID*) &pGetLinguistLangSize },
{ "NlsConvertIntegerToString", (PVOID*) &pNlsConvertIntegerToString },
{ "ValidateLCType", (PVOID*) &pValidateLCType },
{ "ValidateLocale", (PVOID*) &pValidateLocale },
{ "GetNlsSectionName", (PVOID*) &pGetNlsSectionName },
{ "GetUserDefaultLangID", (PVOID*) &pGetUserDefaultLangID },
{ "GetCPFileNameFromRegistry", (PVOID*) &pGetCPFileNameFromRegistry },
{ "CreateNlsSecurityDescriptor", (PVOID*) &pCreateNlsSecurityDescriptor },
};
/* FUNCTIONS *****************************************************************/
NTSTATUS
NTAPI
BaseSrvDelayLoadKernel32(VOID)
{
NTSTATUS Status;
ULONG i;
ANSI_STRING ProcedureName;
/* Only do this once */
if (BaseSrvKernel32DelayLoadComplete) return STATUS_SUCCESS;
/* Loop all imports */
for (i = 0; i < RTL_NUMBER_OF(BaseSrvKernel32Imports); i++)
{
/* Only look them up once */
if (!*BaseSrvKernel32Imports[i].FunctionPointer)
{
/* If we haven't loaded the DLL yet, do it now */
if (!BaseSrvKernel32DllHandle)
{
Status = LdrLoadDll(0,
0,
&BaseSrvKernel32DllPath,
&BaseSrvKernel32DllHandle);
if (!NT_SUCCESS(Status))
{
DPRINT1("Failed to load %wZ\n", &BaseSrvKernel32DllPath);
return Status;
}
}
/* Get the address of the routine being looked up*/
RtlInitAnsiString(&ProcedureName, BaseSrvKernel32Imports[i].FunctionName);
Status = LdrGetProcedureAddress(BaseSrvKernel32DllHandle,
&ProcedureName,
0,
BaseSrvKernel32Imports[i].FunctionPointer);
DPRINT1("NLS: Found %Z at 0x%p\n",
&ProcedureName,
BaseSrvKernel32Imports[i].FunctionPointer);
if (!NT_SUCCESS(Status)) break;
}
}
/* Did we find them all? */
if (i == RTL_NUMBER_OF(BaseSrvKernel32Imports))
{
/* Excellent */
BaseSrvKernel32DelayLoadComplete = TRUE;
return STATUS_SUCCESS;
}
/* Nope, fail */
return Status;
}
VOID
NTAPI
BaseSrvNLSInit(IN PBASE_STATIC_SERVER_DATA StaticData)
{
/* Initialize the lock */
RtlInitializeCriticalSection(&NlsCacheCriticalSection);
/* Initialize the data with all F's */
pNlsRegUserInfo = &StaticData->NlsUserInfo;
RtlFillMemory(&StaticData->NlsUserInfo, sizeof(StaticData->NlsUserInfo), 0xFF);
/* Set empty LCID */
pNlsRegUserInfo->UserLocaleId = 0;
/* Reset the cache update counter */
RtlEnterCriticalSection(&NlsCacheCriticalSection);
pNlsRegUserInfo->ulCacheUpdateCount = 0;
RtlLeaveCriticalSection(&NlsCacheCriticalSection);
/* Get the LCID */
NtQueryDefaultLocale(0, &pNlsRegUserInfo->UserLocaleId);
}
NTSTATUS
NTAPI
BaseSrvNlsConnect(IN PCSR_PROCESS CsrProcess,
IN OUT PVOID ConnectionInfo,
IN OUT PULONG ConnectionInfoLength)
{
/* Does nothing */
return STATUS_SUCCESS;
}
/* PUBLIC SERVER APIS *********************************************************/
CSR_API(BaseSrvNlsSetUserInfo)
{
DPRINT1("%s not yet implemented\n", __FUNCTION__);
return STATUS_NOT_IMPLEMENTED;
}
CSR_API(BaseSrvNlsSetMultipleUserInfo)
{
DPRINT1("%s not yet implemented\n", __FUNCTION__);
return STATUS_NOT_IMPLEMENTED;
}
CSR_API(BaseSrvNlsCreateSection)
{
NTSTATUS Status;
HANDLE SectionHandle, ProcessHandle, FileHandle;
ULONG LocaleId;
UNICODE_STRING NlsSectionName;
PWCHAR NlsFileName;
UCHAR SecurityDescriptor[52];
OBJECT_ATTRIBUTES ObjectAttributes;
WCHAR FileNameBuffer[32];
WCHAR NlsSectionNameBuffer[32];
PBASE_NLS_CREATE_SECTION NlsMsg = &((PBASE_API_MESSAGE)ApiMessage)->Data.NlsCreateSection;
/* Load kernel32 first and import the NLS routines */
Status = BaseSrvDelayLoadKernel32();
if (!NT_SUCCESS(Status)) return Status;
/* Assume failure */
NlsMsg->SectionHandle = NULL;
/* Check and validate the locale ID, if one is present */
LocaleId = NlsMsg->LocaleId;
DPRINT1("NLS: Create Section with LCID: %lx for Type: %d\n", LocaleId, NlsMsg->Type);
if (LocaleId)
{
if (!pValidateLocale(LocaleId)) return STATUS_INVALID_PARAMETER;
}
/* Check which NLS section is being created */
switch (NlsMsg->Type)
{
/* For each one, set the correct filename and object name */
case 1:
RtlInitUnicodeString(&NlsSectionName, L"\\NLS\\NlsSectionUnicode");
NlsFileName = L"unicode.nls";
break;
case 2:
RtlInitUnicodeString(&NlsSectionName, L"\\NLS\\NlsSectionLocale");
NlsFileName = L"locale.nls";
break;
case 3:
RtlInitUnicodeString(&NlsSectionName, L"\\NLS\\NlsSectionCType");
NlsFileName = L"ctype.nls";
break;
case 4:
RtlInitUnicodeString(&NlsSectionName, L"\\NLS\\NlsSectionSortkey");
NlsFileName = L"sortkey.nls";
break;
case 5:
RtlInitUnicodeString(&NlsSectionName, L"\\NLS\\NlsSectionSortTbls");
NlsFileName = L"sorttbls.nls";
break;
case 6:
RtlInitUnicodeString(&NlsSectionName, L"\\NLS\\NlsSectionCP437");
NlsFileName = L"c_437.nls";
break;
case 7:
RtlInitUnicodeString(&NlsSectionName, L"\\NLS\\NlsSectionCP1252");
NlsFileName = L"c_1252.nls";
break;
case 8:
RtlInitUnicodeString(&NlsSectionName, L"\\NLS\\NlsSectionLANG_EXCEPT");
NlsFileName = L"l_except.nls";
break;
case 9:
DPRINT1("This type not yet supported\n");
return STATUS_NOT_IMPLEMENTED;
case 10:
DPRINT1("This type not yet supported\n");
return STATUS_NOT_IMPLEMENTED;
case 11:
/* Get the filename for this locale */
if (!pGetCPFileNameFromRegistry(NlsMsg->LocaleId,
FileNameBuffer,
RTL_NUMBER_OF(FileNameBuffer)))
{
DPRINT1("File name query failed\n");
return STATUS_INVALID_PARAMETER;
}
/* Get the name of the section for this locale */
DPRINT1("File name: %S\n", FileNameBuffer);
Status = pGetNlsSectionName(NlsMsg->LocaleId,
10,
0,
L"\\NLS\\NlsSectionCP",
NlsSectionNameBuffer,
RTL_NUMBER_OF(NlsSectionNameBuffer));
if (!NT_SUCCESS(Status))
{
DPRINT1("Section name query failed: %lx\n", Status);
return Status;
}
/* Setup the name and go open it */
NlsFileName = FileNameBuffer;
DPRINT1("Section name: %S\n", NlsSectionNameBuffer);
RtlInitUnicodeString(&NlsSectionName, NlsSectionNameBuffer);
break;
case 12:
RtlInitUnicodeString(&NlsSectionName, L"\\NLS\\NlsSectionGeo");
NlsFileName = L"geo.nls";
break;
default:
DPRINT1("NLS: Invalid NLS type!\n");
return STATUS_INVALID_PARAMETER;
}
/* Open the specified NLS file */
Status = pOpenDataFile(&FileHandle, NlsFileName);
if (Status != STATUS_SUCCESS)
{
DPRINT1("NLS: Failed to open file: %lx\n", Status);
return Status;
}
/* Create an SD for the section object */
Status = pCreateNlsSecurityDescriptor(&SecurityDescriptor,
sizeof(SecurityDescriptor),
0x80000000);
if (!NT_SUCCESS(Status))
{
DPRINT1("NLS: CreateNlsSecurityDescriptor FAILED!: %lx\n", Status);
NtClose(FileHandle);
return Status;
}
/* Create the section object proper */
InitializeObjectAttributes(&ObjectAttributes,
&NlsSectionName,
OBJ_CASE_INSENSITIVE | OBJ_PERMANENT | OBJ_OPENIF,
NULL,
&SecurityDescriptor);
Status = NtCreateSection(&SectionHandle,
SECTION_MAP_READ,
&ObjectAttributes,
0,
PAGE_READONLY,
SEC_COMMIT,
FileHandle);
NtClose(FileHandle);
if (!NT_SUCCESS(Status))
{
DPRINT1("NLS: Failed to create section! %lx\n", Status);
return Status;
}
/* Open a handle to the calling process */
InitializeObjectAttributes(&ObjectAttributes, NULL, 0, NULL, NULL);
Status = NtOpenProcess(&ProcessHandle,
PROCESS_DUP_HANDLE,
&ObjectAttributes,
&ApiMessage->Header.ClientId);
if (!NT_SUCCESS(Status))
{
DPRINT1("NLS: Failed to open process! %lx\n", Status);
NtClose(SectionHandle);
return Status;
}
/* Duplicate the handle to the section object into it */
Status = NtDuplicateObject(NtCurrentProcess(),
SectionHandle,
ProcessHandle,
&NlsMsg->SectionHandle,
0,
0,
3);
NtClose(ProcessHandle);
return Status;
}
CSR_API(BaseSrvNlsUpdateCacheCount)
{
DPRINT1("%s not yet implemented\n", __FUNCTION__);
return STATUS_NOT_IMPLEMENTED;
}
CSR_API(BaseSrvNlsGetUserInfo)
{
NTSTATUS Status;
PBASE_NLS_GET_USER_INFO NlsMsg = &((PBASE_API_MESSAGE)ApiMessage)->Data.NlsGetUserInfo;
/* Make sure the buffer is valid and of the right size */
if ((CsrValidateMessageBuffer(ApiMessage, &NlsMsg->NlsUserInfo, NlsMsg->Size, TRUE)) &&
(NlsMsg->Size == sizeof(NLS_USER_INFO)))
{
/* Acquire the lock to prevent updates while we copy */
Status = RtlEnterCriticalSection(&NlsCacheCriticalSection);
if (NT_SUCCESS(Status))
{
/* Do the copy now, then drop the lock */
RtlCopyMemory(NlsMsg->NlsUserInfo, pNlsRegUserInfo, NlsMsg->Size);
DPRINT1("NLS Data copy complete\n");
RtlLeaveCriticalSection(&NlsCacheCriticalSection);
}
}
else
{
/* The data was invalid, bail out */
DPRINT1("NLS: Size of info is invalid: %lx vs %lx\n", NlsMsg->Size, sizeof(NLS_USER_INFO));
Status = STATUS_INVALID_PARAMETER;
}
/* All done */
return Status;
}
/* PUBLIC APIS ****************************************************************/
NTSTATUS
NTAPI
BaseSrvNlsLogon(DWORD Unknown)
{
DPRINT1("%s(%lu) not yet implemented\n", __FUNCTION__, Unknown);
return STATUS_NOT_IMPLEMENTED;
}
NTSTATUS
NTAPI
BaseSrvNlsUpdateRegistryCache(DWORD Unknown1,
DWORD Unknown2)
{
DPRINT1("%s(%lu, %lu) not yet implemented\n", __FUNCTION__, Unknown1, Unknown2);
return STATUS_NOT_IMPLEMENTED;
}
/* EOF */
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