#include "ba1701.h"

#define WIN32_LEAN_AND_MEAN
#define STRICT
#include <windows.h>

bool run_as_admin()
{
  bool yes = true;
  
  OSVERSIONINFO VerInfo = { 0 }; VerInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
  ::GetVersionEx(&VerInfo);
  if (VerInfo.dwMajorVersion >= 6)	// If Vista or newer,
  {
	  HANDLE hToken = NULL;				// read elevation type
	  BOOL bOK = ::OpenProcessToken(::GetCurrentProcess(), TOKEN_READ, &hToken);
    if (bOK)
    {
      TOKEN_ELEVATION_TYPE elevationType = (TOKEN_ELEVATION_TYPE)0; // N/A for < Vista
	    DWORD infoLen = 0;
	    yes = ::GetTokenInformation(hToken, TokenElevationType,	// type of info to retrieve
			                            &elevationType,		// receives return value
			                            sizeof(elevationType), &infoLen) != 0;		// receives returned length
      ::CloseHandle(hToken);
    }
  }
  return yes;
}