dtwinver.cpp

DtWinVer is a C++ class which provides a comprehensive method to determine which OS the program that

#endif

#ifndef VER_SUITE_TERMINAL
#define VER_SUITE_TERMINAL 0x00000010
#endif

#ifndef VER_SUITE_EMBEDDEDNT
#define VER_SUITE_EMBEDDEDNT 0x00000040
#endif

#ifndef VER_SUITE_DATACENTER
#define VER_SUITE_DATACENTER 0x00000080
#endif

#ifndef VER_SUITE_SINGLEUSERTS
#define VER_SUITE_SINGLEUSERTS 0x00000100
#endif

#ifndef VER_SUITE_PERSONAL
#define VER_SUITE_PERSONAL 0x00000200
#endif

#ifndef VER_SUITE_BLADE
#define VER_SUITE_BLADE 0x00000400
#endif

#ifndef VER_SUITE_SECURITY_APPLIANCE
#define VER_SUITE_SECURITY_APPLIANCE 0x00001000
#endif

#ifndef VER_SUITE_STORAGE_SERVER
#define VER_SUITE_STORAGE_SERVER 0x00002000
#endif

#ifndef VER_SUITE_COMPUTE_SERVER
#define VER_SUITE_COMPUTE_SERVER 0x00004000
#endif

#ifndef VER_SUITE_WH_SERVER
#define VER_SUITE_WH_SERVER 0x00008000 
#endif

//Flags returned from GetProductInfo
#ifndef PRODUCT_ULTIMATE
#define PRODUCT_ULTIMATE 0x00000001
#endif

#ifndef PRODUCT_HOME_BASIC
#define PRODUCT_HOME_BASIC 0x00000002
#endif

#ifndef PRODUCT_HOME_PREMIUM
#define PRODUCT_HOME_PREMIUM 0x00000003
#endif 

#ifndef PRODUCT_ENTERPRISE
#define PRODUCT_ENTERPRISE 0x00000004
#endif 

#ifndef PRODUCT_HOME_BASIC_N
#define PRODUCT_HOME_BASIC_N 0x00000005
#endif

#ifndef PRODUCT_BUSINESS
#define PRODUCT_BUSINESS 0x00000006
#endif

#ifndef PRODUCT_STANDARD_SERVER
#define PRODUCT_STANDARD_SERVER 0x00000007
#endif

#ifndef PRODUCT_DATACENTER_SERVER
#define PRODUCT_DATACENTER_SERVER 0x00000008
#endif

#ifndef PRODUCT_SMALLBUSINESS_SERVER
#define PRODUCT_SMALLBUSINESS_SERVER 0x00000009
#endif

#ifndef PRODUCT_ENTERPRISE_SERVER
#define PRODUCT_ENTERPRISE_SERVER 0x0000000A
#endif

#ifndef PRODUCT_STARTER
#define PRODUCT_STARTER 0x0000000B
#endif

#ifndef PRODUCT_DATACENTER_SERVER_CORE
#define PRODUCT_DATACENTER_SERVER_CORE 0x0000000C
#endif

#ifndef PRODUCT_STANDARD_SERVER_CORE
#define PRODUCT_STANDARD_SERVER_CORE 0x0000000D
#endif

#ifndef PRODUCT_ENTERPRISE_SERVER_CORE
#define PRODUCT_ENTERPRISE_SERVER_CORE 0x0000000E
#endif

#ifndef PRODUCT_ENTERPRISE_SERVER_IA64
#define PRODUCT_ENTERPRISE_SERVER_IA64 0x0000000F
#endif

#ifndef PRODUCT_BUSINESS_N
#define PRODUCT_BUSINESS_N 0x00000010
#endif

#ifndef PRODUCT_WEB_SERVER
#define PRODUCT_WEB_SERVER 0x00000011
#endif

#ifndef PRODUCT_CLUSTER_SERVER
#define PRODUCT_CLUSTER_SERVER 0x00000012
#endif

#ifndef PRODUCT_HOME_SERVER
#define PRODUCT_HOME_SERVER 0x00000013
#endif

#ifndef PRODUCT_STORAGE_EXPRESS_SERVER
#define PRODUCT_STORAGE_EXPRESS_SERVER 0x00000014
#endif

#ifndef PRODUCT_STORAGE_STANDARD_SERVER
#define PRODUCT_STORAGE_STANDARD_SERVER 0x00000015
#endif

#ifndef PRODUCT_STORAGE_WORKGROUP_SERVER
#define PRODUCT_STORAGE_WORKGROUP_SERVER 0x00000016
#endif

#ifndef PRODUCT_STORAGE_ENTERPRISE_SERVER
#define PRODUCT_STORAGE_ENTERPRISE_SERVER 0x00000017
#endif

#ifndef PRODUCT_SMALLBUSINESS_SERVER_PREMIUM
#define PRODUCT_SMALLBUSINESS_SERVER_PREMIUM 0x00000019
#endif

#ifndef PRODUCT_HOME_PREMIUM_N
#define PRODUCT_HOME_PREMIUM_N 0x0000001A
#endif

#ifndef PRODUCT_ENTERPRISE_N
#define PRODUCT_ENTERPRISE_N 0x0000001B
#endif

#ifndef PRODUCT_ULTIMATE_N
#define PRODUCT_ULTIMATE_N 0x0000001C
#endif

#ifndef PRODUCT_WEB_SERVER_CORE
#define PRODUCT_WEB_SERVER_CORE 0x0000001D
#endif

#ifndef PRODUCT_MEDIUMBUSINESS_SERVER_MANAGEMENT
#define PRODUCT_MEDIUMBUSINESS_SERVER_MANAGEMENT 0x0000001E
#endif

#ifndef PRODUCT_MEDIUMBUSINESS_SERVER_SECURITY
#define PRODUCT_MEDIUMBUSINESS_SERVER_SECURITY 0x0000001F
#endif

#ifndef PRODUCT_MEDIUMBUSINESS_SERVER_MESSAGING
#define PRODUCT_MEDIUMBUSINESS_SERVER_MESSAGING 0x00000020
#endif

#ifndef PRODUCT_STANDARD_SERVER_V
#define PRODUCT_STANDARD_SERVER_V 0x00000024 
#endif

#ifndef PRODUCT_DATACENTER_SERVER_V
#define PRODUCT_DATACENTER_SERVER_V 0x00000025
#endif

#ifndef PRODUCT_ENTERPRISE_SERVER_V
#define PRODUCT_ENTERPRISE_SERVER_V 0x00000026
#endif 

#ifndef PRODUCT_DATACENTER_SERVER_CORE_V
#define PRODUCT_DATACENTER_SERVER_CORE_V 0x00000027
#endif

#ifndef PRODUCT_STANDARD_SERVER_CORE_V
#define PRODUCT_STANDARD_SERVER_CORE_V 0x00000028
#endif

#ifndef PRODUCT_ENTERPRISE_SERVER_CORE_V
#define PRODUCT_ENTERPRISE_SERVER_CORE_V 0x00000029
#endif

#ifndef PRODUCT_HYPERV
#define PRODUCT_HYPERV 0x0000002A
#endif



#if defined(_WIN32)

//Taken from Windows CE winbase.h file
#ifndef VER_PLATFORM_WIN32_CE
  #define VER_PLATFORM_WIN32_CE         3
#endif

#endif //defined(_WIN32) 

#ifdef _DOS
  WORD WinVer;
  BYTE bRunningWindows;
#endif //ifdef _DOS


////////////////////////////////// Implementation /////////////////////////////
COSVersion::COSVersion()
{
#if defined(_WINDOWS) && !defined(_WIN32) && !defined(_WIN64)
  //Initialize the values to sane defaults
  m_lpfnLoadLibraryEx32W = NULL;
  m_lpfnFreeLibrary32W = NULL;
  m_lpfnGetProcAddress32W = NULL;
  m_lpfnCallProcEx32W = NULL;
  m_hAdvApi32 = 0;    
  m_hKernel32 = 0;
  m_lpfnRegQueryValueExA= 0;
  m_lpfnGetVersionExA = 0;
  m_lpfnGetVersion = 0;
  m_lpfnGetSystemInfo = 0;
  m_lpfnGetNativeSystemInfo = 0;
  m_lpfnGetProductInfo = 0;

  //Get Kernel dll handle
  HMODULE hKernel = GetModuleHandle("KERNEL");
  if (hKernel)
  {
    //Dynamically link to the functions we want
    m_lpfnLoadLibraryEx32W  = (lpfnLoadLibraryEx32W)  GetProcAddress(hKernel, "LoadLibraryEx32W");
    m_lpfnFreeLibrary32W    = (lpfnFreeLibrary32W)    GetProcAddress(hKernel, "FreeLibrary32W");
    m_lpfnGetProcAddress32W = (lpfnGetProcAddress32W) GetProcAddress(hKernel, "GetProcAddress32W");
    m_lpfnCallProcEx32W     = (lpfnCallProcEx32W)     GetProcAddress(hKernel, "_CallProcEx32W");
    if (m_lpfnLoadLibraryEx32W && m_lpfnFreeLibrary32W)
    {
      m_hAdvApi32 = m_lpfnLoadLibraryEx32W("ADVAPI32.DLL", NULL, 0);
      if (m_hAdvApi32)                                                   
        m_lpfnRegQueryValueExA = m_lpfnGetProcAddress32W(m_hAdvApi32, "RegQueryValueExA"); 
      m_hKernel32 = m_lpfnLoadLibraryEx32W("KERNEL32.DLL", NULL, 0);
      if (m_hKernel32)
      {                                                               
        m_lpfnGetVersionExA = m_lpfnGetProcAddress32W(m_hKernel32, "GetVersionExA");
        m_lpfnGetVersion = m_lpfnGetProcAddress32W(m_hKernel32, "GetVersion");
        m_lpfnGetSystemInfo = m_lpfnGetProcAddress32W(m_hKernel32, "GetSystemInfo");
        m_lpfnGetNativeSystemInfo = m_lpfnGetProcAddress32W(m_hKernel32, "GetNativeSystemInfo");
        m_lpfnGetProductInfo = m_lpfnGetProcAddress32W(m_hKernel32, "GetProductInfo");
      }
    }
  }
#endif
}

COSVersion::~COSVersion()
{
#if defined(_WINDOWS) && !defined(_WIN32) && !defined(_WIN64)
  if (m_lpfnFreeLibrary32W)
  {           
    if (m_hAdvApi32)
      m_lpfnFreeLibrary32W(m_hAdvApi32);
    if (m_hKernel32)
      m_lpfnFreeLibrary32W(m_hKernel32);
  }
#endif
}

#if defined(_WINDOWS) && (!defined(_WIN32) && !defined(_WIN64))
BOOL COSVersion::WFWLoaded()
{
  const WORD WNNC_NET_MultiNet         = 0x8000;
  const WORD WNNC_SUBNET_WinWorkgroups = 0x0004;
  const WORD WNNC_NET_TYPE             = 0x0002;
  BOOL rVal;
   
  HINSTANCE hUserInst = LoadLibrary("USER.EXE");
  lpfnWNetGetCaps lpWNetGetCaps = (lpfnWNetGetCaps) GetProcAddress(hUserInst, "WNetGetCaps");
  if (lpWNetGetCaps != NULL)
  {
    // Get the network type
    WORD wNetType = lpWNetGetCaps(WNNC_NET_TYPE);
    if (wNetType & WNNC_NET_MultiNet)
    {
      // a multinet driver is installed
      if (LOBYTE(wNetType) & WNNC_SUBNET_WinWorkgroups) // It is WFW
        rVal = TRUE;
      else // It is not WFW
        rVal = FALSE;
    }
    else
     rVal = FALSE;
  }
  else
    rVal = FALSE;