reactos/dll/ntdll/rtl/version.c

208 lines
6.6 KiB
C

/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS system libraries
* FILE: lib/ntdll/rtl/process.c
* PURPOSE: Process functions
* PROGRAMMER: Ariadne (ariadne@xs4all.nl)
* UPDATE HISTORY:
* Created 01/11/98
*/
/* INCLUDES *******************************************************************/
#include <ntdll.h>
#define NDEBUG
#include <debug.h>
/* FUNCTIONS ******************************************************************/
/* HACK: ReactOS specific changes, see bug-reports CORE-6611 and CORE-4620 (aka. #5003) */
static VOID NTAPI
SetRosSpecificInfo(IN OUT PRTL_OSVERSIONINFOEXW VersionInformation)
{
CHAR Buffer[sizeof(KEY_VALUE_PARTIAL_INFORMATION) + sizeof(ULONG)];
PKEY_VALUE_PARTIAL_INFORMATION kvpInfo = (PVOID)Buffer;
OBJECT_ATTRIBUTES ObjectAttributes;
ULONG ReportAsWorkstation = 0;
HANDLE hKey;
ULONG Length;
NTSTATUS Status;
UNICODE_STRING KeyName = RTL_CONSTANT_STRING(L"\\Registry\\Machine\\SYSTEM\\CurrentControlSet\\Control\\ReactOS\\Settings\\Version");
UNICODE_STRING ValName = RTL_CONSTANT_STRING(L"ReportAsWorkstation");
InitializeObjectAttributes(&ObjectAttributes,
&KeyName,
OBJ_OPENIF | OBJ_CASE_INSENSITIVE,
NULL,
NULL);
/* Don't change anything if the key doesn't exist */
Status = NtOpenKey(&hKey, KEY_READ, &ObjectAttributes);
if (NT_SUCCESS(Status))
{
/* Get the value from the registry and make sure it's a 32-bit value */
Status = NtQueryValueKey(hKey,
&ValName,
KeyValuePartialInformation,
kvpInfo,
sizeof(Buffer),
&Length);
if (NT_SUCCESS(Status) &&
(kvpInfo->Type == REG_DWORD) &&
(kvpInfo->DataLength == sizeof(ULONG)))
{
/* Is the value set? */
ReportAsWorkstation = *(PULONG)kvpInfo->Data;
if ((VersionInformation->wProductType == VER_NT_SERVER) &&
(ReportAsWorkstation != 0))
{
/* It is, modify the product type to report a workstation */
VersionInformation->wProductType = VER_NT_WORKSTATION;
DPRINT1("We modified the reported OS from NtProductServer to NtProductWinNt\n");
}
}
/* Close the handle */
NtClose(hKey);
}
}
/**********************************************************************
* NAME EXPORTED
* RtlGetNtProductType
*
* DESCRIPTION
* Retrieves the OS product type.
*
* ARGUMENTS
* ProductType Pointer to the product type variable.
*
* RETURN VALUE
* TRUE if successful, otherwise FALSE
*
* NOTE
* ProductType can be one of the following values:
* 1 Workstation (WinNT)
* 2 Server (LanmanNT)
* 3 Advanced Server (ServerNT)
*
* REVISIONS
* 2000-08-10 ekohl
*
* @implemented
*/
BOOLEAN NTAPI
RtlGetNtProductType(PNT_PRODUCT_TYPE ProductType)
{
*ProductType = SharedUserData->NtProductType;
return TRUE;
}
/**********************************************************************
* NAME EXPORTED
* RtlGetNtVersionNumbers
*
* DESCRIPTION
* Get the version numbers of the run time library.
*
* ARGUMENTS
* pMajorVersion [OUT] Destination for the Major version
* pMinorVersion [OUT] Destination for the Minor version
* pBuildNumber [OUT] Destination for the Build version
*
* RETURN VALUE
* Nothing.
*
* NOTES
* - Introduced in Windows XP (NT 5.1)
* - Since this call didn't exist before XP, we report at least the version
* 5.1. This fixes the loading of msvcrt.dll as released with XP Home,
* which fails in DLLMain() if the major version isn't 5.
*
* @implemented
*/
VOID NTAPI
RtlGetNtVersionNumbers(OUT PULONG pMajorVersion,
OUT PULONG pMinorVersion,
OUT PULONG pBuildNumber)
{
PPEB pPeb = NtCurrentPeb();
if (pMajorVersion)
{
*pMajorVersion = pPeb->OSMajorVersion < 5 ? 5 : pPeb->OSMajorVersion;
}
if (pMinorVersion)
{
if ( (pPeb->OSMajorVersion < 5) ||
((pPeb->OSMajorVersion == 5) && (pPeb->OSMinorVersion < 1)) )
*pMinorVersion = 1;
else
*pMinorVersion = pPeb->OSMinorVersion;
}
if (pBuildNumber)
{
/* Windows really does this! */
*pBuildNumber = (0xF0000000 | pPeb->OSBuildNumber);
}
}
/*
* @implemented
* @note User-mode version of RtlGetVersion in ntoskrnl/rtl/misc.c
*/
NTSTATUS NTAPI
RtlGetVersion(IN OUT PRTL_OSVERSIONINFOW lpVersionInformation)
{
ULONG Length;
PPEB Peb = NtCurrentPeb();
if (lpVersionInformation->dwOSVersionInfoSize != sizeof(RTL_OSVERSIONINFOW) &&
lpVersionInformation->dwOSVersionInfoSize != sizeof(RTL_OSVERSIONINFOEXW))
{
return STATUS_INVALID_PARAMETER;
}
lpVersionInformation->dwMajorVersion = Peb->OSMajorVersion;
lpVersionInformation->dwMinorVersion = Peb->OSMinorVersion;
lpVersionInformation->dwBuildNumber = Peb->OSBuildNumber;
lpVersionInformation->dwPlatformId = Peb->OSPlatformId;
RtlZeroMemory(lpVersionInformation->szCSDVersion, sizeof(lpVersionInformation->szCSDVersion));
/* If we have a CSD version string, initialized by Application Compatibility... */
if (Peb->CSDVersion.Length && Peb->CSDVersion.Buffer && Peb->CSDVersion.Buffer[0] != UNICODE_NULL)
{
/* ... copy it... */
Length = min(wcslen(Peb->CSDVersion.Buffer), ARRAYSIZE(lpVersionInformation->szCSDVersion) - 1);
wcsncpy(lpVersionInformation->szCSDVersion, Peb->CSDVersion.Buffer, Length);
}
else
{
/* ... otherwise we just null-terminate it */
Length = 0;
}
/* Always null-terminate the user CSD version string */
lpVersionInformation->szCSDVersion[Length] = UNICODE_NULL;
if (lpVersionInformation->dwOSVersionInfoSize == sizeof(RTL_OSVERSIONINFOEXW))
{
PRTL_OSVERSIONINFOEXW InfoEx = (PRTL_OSVERSIONINFOEXW)lpVersionInformation;
InfoEx->wServicePackMajor = (Peb->OSCSDVersion >> 8) & 0xFF;
InfoEx->wServicePackMinor = Peb->OSCSDVersion & 0xFF;
InfoEx->wSuiteMask = SharedUserData->SuiteMask & 0xFFFF;
InfoEx->wProductType = SharedUserData->NtProductType;
InfoEx->wReserved = 0;
/* HACK: ReactOS specific changes, see bug-reports CORE-6611 and CORE-4620 (aka. #5003) */
SetRosSpecificInfo(InfoEx);
}
return STATUS_SUCCESS;
}
/* EOF */