Leaked source code of windows server 2003
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#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#include <windowsx.h>
#include "cutil.h"
#define MemAlloc(a) GlobalAlloc(GMEM_FIXED, (a))
#define MemFree(a) GlobalFree((a))
static POSVERSIONINFO _getOSVersion(VOID)
{
static BOOL fFirst = TRUE;
static OSVERSIONINFO os;
if ( fFirst ) {
os.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
if (GetVersionEx( &os ) ) {
fFirst = FALSE;
}
}
return &os;
}
BOOL
CUtil::IsWinNT(VOID)
{
return (_getOSVersion()->dwPlatformId == VER_PLATFORM_WIN32_NT);
}
BOOL
CUtil::IsWinNT4(VOID)
{
if((_getOSVersion()->dwPlatformId == VER_PLATFORM_WIN32_NT) &&
(_getOSVersion()->dwMajorVersion == 4) &&
(_getOSVersion()->dwMinorVersion >= 0) ) {
return TRUE;
}
return FALSE;
}
BOOL
CUtil::IsWinNT5(VOID)
{
if((_getOSVersion()->dwPlatformId == VER_PLATFORM_WIN32_NT) &&
(_getOSVersion()->dwMajorVersion == 5) &&
(_getOSVersion()->dwMinorVersion >= 0)) {
return TRUE;
}
return FALSE;
}
BOOL
CUtil::IsWin9x(VOID)
{
if((_getOSVersion()->dwPlatformId == VER_PLATFORM_WIN32_WINDOWS) &&
(_getOSVersion()->dwMajorVersion >= 4)) {
return TRUE;
}
return FALSE;
}
BOOL
CUtil::IsWin95(VOID)
{
if((_getOSVersion()->dwPlatformId == VER_PLATFORM_WIN32_WINDOWS) &&
(_getOSVersion()->dwMajorVersion >= 4) &&
(_getOSVersion()->dwMinorVersion < 10)) {
return TRUE;
}
return FALSE;
}
BOOL
CUtil::IsWin98(VOID)
{
if((_getOSVersion()->dwPlatformId == VER_PLATFORM_WIN32_WINDOWS) &&
(_getOSVersion()->dwMajorVersion >= 4) &&
(_getOSVersion()->dwMinorVersion >= 10)) {
return TRUE;
}
return FALSE;
}
BOOL
CUtil::IsHydra(VOID)
{
#ifdef UNDER_CE
return FALSE;
#else //!UNDER_CE
static DWORD fTested = FALSE, fHydra = FALSE;
HKEY hKey;
if(fTested) {
return fHydra;
}
if(ERROR_SUCCESS == RegOpenKeyEx(HKEY_LOCAL_MACHINE,
TEXT("System\\CurrentControlSet\\Control\\ProductOptions"),
0,
KEY_READ,
&hKey)){
DWORD cbData;
if(ERROR_SUCCESS == RegQueryValueEx(hKey,
TEXT("ProductSuite"),
NULL,
NULL,
NULL,
&cbData)){
TCHAR *mszBuffer, *szCurPtr;
if(NULL != (mszBuffer = (TCHAR *)MemAlloc(cbData))){
RegQueryValueEx(hKey,
TEXT("ProductSuite"),
NULL,
NULL,
(unsigned char *)mszBuffer,
&cbData);
for(szCurPtr = mszBuffer; 0 != *szCurPtr; szCurPtr += lstrlen(szCurPtr)+1){
if(0 == lstrcmpi(szCurPtr, TEXT("Terminal Server"))){
fHydra = TRUE;
break;
}
}
MemFree(mszBuffer);
}
}
RegCloseKey(hKey);
}
fTested = TRUE;
return(fHydra);
#endif //UNDER_CE
}
INT
CUtil::GetWINDIR(LPTSTR lpstr, INT len)
{
#ifdef UNDER_CE
static const TCHAR szWindowsDir[] = TEXT("\\Windows");
_tcsncpy(lpstr, szWindowsDir, len);
if(len < sizeof szWindowsDir/sizeof(TCHAR))
lpstr[len-1] = TEXT('\0');
return lstrlen(lpstr);
#else //!UNDER_CE
INT dirSize=0;
if(CUtil::IsHydra()) {
dirSize = ::GetEnvironmentVariable(TEXT("WINDIR"), lpstr, len);
}
else {
dirSize = ::GetWindowsDirectory(lpstr, len);
}
return dirSize;
#endif //UNDER_CE
}