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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "qoperatingsystemversion_win_p.h"
#include "qoperatingsystemversion_p.h"
#include <qt_windows.h>
#include <qbytearray.h>
QT_BEGIN_NAMESPACE
static inline OSVERSIONINFOEX determineWinOsVersion()
{
OSVERSIONINFOEX result = { sizeof(OSVERSIONINFOEX), 0, 0, 0, 0, {'\0'}, 0, 0, 0, 0, 0};
HMODULE ntdll = GetModuleHandleW(L"ntdll.dll");
if (Q_UNLIKELY(!ntdll))
return result;
typedef NTSTATUS (NTAPI *RtlGetVersionFunction)(LPOSVERSIONINFO);
// RtlGetVersion is documented public API but we must load it dynamically
// because linking to it at load time will not pass the Windows App Certification Kit
// https://msdn.microsoft.com/en-us/library/windows/hardware/ff561910.aspx
RtlGetVersionFunction pRtlGetVersion = reinterpret_cast<RtlGetVersionFunction>(
reinterpret_cast<QFunctionPointer>(GetProcAddress(ntdll, "RtlGetVersion")));
if (Q_UNLIKELY(!pRtlGetVersion))
return result;
// GetVersionEx() has been deprecated in Windows 8.1 and will return
// only Windows 8 from that version on, so use the kernel API function.
pRtlGetVersion(reinterpret_cast<LPOSVERSIONINFO>(&result)); // always returns STATUS_SUCCESS
return result;
}
OSVERSIONINFOEX qWindowsVersionInfo()
{
OSVERSIONINFOEX realResult = determineWinOsVersion();
#ifdef QT_DEBUG
{
if (Q_UNLIKELY(qEnvironmentVariableIsSet("QT_WINVER_OVERRIDE"))) {
OSVERSIONINFOEX result = realResult;
result.dwMajorVersion = 0;
result.dwMinorVersion = 0;
// Erase any build number and service pack information
result.dwBuildNumber = 0;
result.szCSDVersion[0] = L'\0';
result.wServicePackMajor = 0;
result.wServicePackMinor = 0;
const QByteArray winVerOverride = qgetenv("QT_WINVER_OVERRIDE");
if (winVerOverride == "WINDOWS10" || winVerOverride == "2016"
|| winVerOverride == "2019" || winVerOverride == "2022") {
result.dwMajorVersion = 10;
} else if (winVerOverride == "WINDOWS11") {
result.dwMajorVersion = 10;
result.dwBuildNumber = 22000;
} else {
return realResult;
}
if (winVerOverride == "2016" || winVerOverride == "2019"
|| winVerOverride == "2022") {
// If the current host OS is a domain controller and the override OS
// is also a server type OS, preserve that information
if (result.wProductType == VER_NT_WORKSTATION)
result.wProductType = VER_NT_SERVER;
} else {
// Any other OS must be a workstation OS type
result.wProductType = VER_NT_WORKSTATION;
}
}
}
#endif
return realResult;
}
QOperatingSystemVersionBase QOperatingSystemVersionBase::current_impl()
{
QOperatingSystemVersionBase v;
v.m_os = currentType();
const OSVERSIONINFOEX osv = qWindowsVersionInfo();
v.m_major = osv.dwMajorVersion;
v.m_minor = osv.dwMinorVersion;
v.m_micro = osv.dwBuildNumber;
return v;
}
QT_END_NAMESPACE
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