Muldersoft/MUtilities
Muldersoft/MUtilities
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Use RtlGetVersion() to detect the *real* Windows version.

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This commit is contained in:
LoRd_MuldeR 2016-05-13 20:44:23 +02:00
parent 3302895145
commit 59aed73bf4
1 changed files with 70 additions and 26 deletions
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96
src/OSSupport_Win32.cpp
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@ -319,6 +319,50 @@ namespace MUtils
}
}
static void initialize_os_version(OSVERSIONINFOEXW *const osInfo)
{
memset(osInfo, 0, sizeof(OSVERSIONINFOEXW));
osInfo->dwOSVersionInfoSize = sizeof(OSVERSIONINFOEXW);
}
static bool rtl_get_version(OSVERSIONINFOEXW *const osInfo)
{
typedef LONG(__stdcall *RtlGetVersion)(LPOSVERSIONINFOEXW);
if (const HMODULE ntdll = GetModuleHandleW(L"ntdll"))
{
if (const RtlGetVersion pRtlGetVersion = (RtlGetVersion)GetProcAddress(ntdll, "RtlGetVersion"))
{
initialize_os_version(osInfo);
if (pRtlGetVersion(osInfo) == 0)
{
return true;
}
}
}
//Fallback
initialize_os_version(osInfo);
return (GetVersionExW((LPOSVERSIONINFOW)osInfo) != FALSE);
}
static bool rtl_verify_version(OSVERSIONINFOEXW *const osInfo, const ULONG typeMask, const ULONGLONG condMask)
{
typedef LONG(__stdcall *RtlVerifyVersionInfo)(LPOSVERSIONINFOEXW, ULONG, ULONGLONG);
if (const HMODULE ntdll = GetModuleHandleW(L"ntdll"))
{
if (const RtlVerifyVersionInfo pRtlVerifyVersionInfo = (RtlVerifyVersionInfo)GetProcAddress(ntdll, "RtlVerifyVersionInfo"))
{
if (pRtlVerifyVersionInfo(osInfo, typeMask, condMask) == 0)
{
return true;
}
}
}
//Fallback
return (VerifyVersionInfoW(osInfo, typeMask, condMask) != FALSE);
}
static bool verify_os_version(const DWORD major, const DWORD minor)
{
OSVERSIONINFOEXW osvi;
@ -337,7 +381,7 @@ static bool verify_os_version(const DWORD major, const DWORD minor)
VER_SET_CONDITION(dwlConditionMask, VER_PLATFORMID, VER_EQUAL);
// Perform the test
const BOOL ret = VerifyVersionInfoW(&osvi, VER_MAJORVERSION | VER_MINORVERSION | VER_PLATFORMID, dwlConditionMask);
const BOOL ret = rtl_verify_version(&osvi, VER_MAJORVERSION | VER_MINORVERSION | VER_PLATFORMID, dwlConditionMask);
//Error checking
if(!ret)
@ -362,7 +406,7 @@ static bool get_real_os_version(unsigned int *major, unsigned int *minor, bool *
osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEXW);
//Try GetVersionEx() first
if(GetVersionExW((LPOSVERSIONINFOW)&osvi) == FALSE)
if(rtl_get_version(&osvi) == FALSE)
{
qWarning("GetVersionEx() has failed, cannot detect Windows version!");
return false;
@ -407,21 +451,6 @@ static bool get_real_os_version(unsigned int *major, unsigned int *minor, bool *
break;
}
//Workaround for the mess that is sometimes referred to as "Windows 10"
if(((*major) > 6) || (((*major) == 6) && ((*minor) >= 2)))
{
quint16 kernel32_major, kernel32_minor;
if(MUtils::OS::get_file_version(QLatin1String("kernel32"), &kernel32_major, &kernel32_minor))
{
if((kernel32_major > (*major)) || ((kernel32_major == (*major)) && (kernel32_minor > (*minor))))
{
*major = kernel32_major;
*minor = kernel32_minor;
*pbOverride = true;
}
}
}
return true;
}
@ -1000,19 +1029,34 @@ void MUtils::OS::sleep_ms(const size_t &duration)
// EXECUTABLE CHECK
///////////////////////////////////////////////////////////////////////////////
static bool libraryAsImageResourceSupported()
static int g_library_as_image_resource_supported = -1;
static QReadWriteLock g_library_as_image_resource_supported_lock;
static bool library_as_image_resource_supported()
{
OSVERSIONINFOEXW osvi;
memset(&osvi, 0, sizeof(OSVERSIONINFOEXW));
osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEXW);
if(GetVersionExW((LPOSVERSIONINFOW)&osvi))
QReadLocker readLocker(&g_library_as_image_resource_supported_lock);
if (g_library_as_image_resource_supported >= 0)
{
if(osvi.dwPlatformId == VER_PLATFORM_WIN32_NT)
return (g_library_as_image_resource_supported > 0);
}
readLocker.unlock();
QWriteLocker writeLocker(&g_library_as_image_resource_supported_lock);
if (g_library_as_image_resource_supported < 0)
{
g_library_as_image_resource_supported = 0;
OSVERSIONINFOEXW osvi;
if (rtl_get_version(&osvi))
{
return (osvi.dwMajorVersion >= 6U);
if ((osvi.dwPlatformId == VER_PLATFORM_WIN32_NT) && (osvi.dwMajorVersion >= 6U))
{
g_library_as_image_resource_supported = 1;
}
}
}
return false;
return (g_library_as_image_resource_supported > 0);
}
bool MUtils::OS::is_executable_file(const QString &path)
@ -1030,7 +1074,7 @@ bool MUtils::OS::is_executable_file(const QString &path)
bool MUtils::OS::is_library_file(const QString &path)
{
const DWORD flags = libraryAsImageResourceSupported() ? (LOAD_LIBRARY_AS_DATAFILE | LOAD_LIBRARY_AS_IMAGE_RESOURCE) : (LOAD_LIBRARY_AS_DATAFILE | DONT_RESOLVE_DLL_REFERENCES);
const DWORD flags = library_as_image_resource_supported() ? (LOAD_LIBRARY_AS_DATAFILE | LOAD_LIBRARY_AS_IMAGE_RESOURCE) : (LOAD_LIBRARY_AS_DATAFILE | DONT_RESOLVE_DLL_REFERENCES);
if (const HMODULE hMod = LoadLibraryEx(MUTILS_WCHR(QDir::toNativeSeparators(path)), NULL, flags))
{
FreeLibrary(hMod);