mirror of
https://gitea.wildfiregames.com/0ad/0ad
synced 2026-06-20 15:23:56 -07:00
136 lines
4.2 KiB
C++
136 lines
4.2 KiB
C++
/* Copyright (C) 2024 Wildfire Games.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "precompiled.h"
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#include "lib/sysdep/os/win/wposix/wutsname.h"
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#include "lib/sysdep/os/win/wutil.h" // WinScopedPreserveLastError
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#include "lib/sysdep/os/win/wversion.h" // wversion_Family
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#include <iostream>
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#include <memory>
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#include <sstream>
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#include <string>
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#include <vector>
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#include <windows.h>
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#include <winternl.h>
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#if MSC_VERSION
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#pragma comment(lib, "version.lib") // DLL version
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#endif
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static DWORD GetNtdllVersion()
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{
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// Get system path for kernel32.dll.
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WCHAR dllPath[MAX_PATH];
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if (!GetSystemDirectoryW(dllPath, MAX_PATH))
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return 0;
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wcscat_s(dllPath, L"\\ntdll.dll");
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// Retrieve version information size.
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DWORD verHandle = 0;
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DWORD verSize = GetFileVersionInfoSizeW(dllPath, &verHandle);
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if (verSize <= 0)
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return 0;
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std::vector<BYTE> versionData(verSize);
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if (!GetFileVersionInfoW(dllPath, verHandle, verSize, versionData.data()))
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return 0;
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VS_FIXEDFILEINFO* lpFfi = nullptr;
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UINT len = 0;
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if (!VerQueryValueW(versionData.data(), L"\\", (LPVOID*)&lpFfi, &len) && lpFfi != nullptr)
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return 0;
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return HIWORD(lpFfi->dwFileVersionLS);
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}
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/**
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* Taken and modified from: https://stackoverflow.com/questions/32115255/c-how-to-detect-windows-10
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*/
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int uname(struct utsname* un)
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{
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WUTIL_FUNC(pRtlGetVersion, NTSTATUS, (LPOSVERSIONINFOEXW));
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WUTIL_IMPORT_NTDLL(RtlGetVersion, pRtlGetVersion);
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if (!pRtlGetVersion)
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return -1;
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OSVERSIONINFOEXW osInfo = { sizeof(OSVERSIONINFOEXW) };
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NTSTATUS status = pRtlGetVersion(&osInfo);
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if (!NT_SUCCESS(status))
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return -1;
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std::ostringstream stream;
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// Check for compatibility mode
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DWORD version = GetNtdllVersion();
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// We tolerate a certain discrepancy that might happen on some OSes.
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if (version != 0 && std::abs((int)osInfo.dwBuildNumber - (int)version) > 20)
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stream << "Compatibility Mode ";
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// OS Implementation name
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if (osInfo.dwMajorVersion >= 10)
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{
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// Microsoft kept the 10.0.* version for Windows 11.
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// https://stackoverflow.com/questions/69836878/detecting-windows-11-properly
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// https://stackoverflow.com/questions/68510685/how-to-detect-windows-11-using-delphi-10-3-3/68517744#68517744
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if (osInfo.dwMajorVersion == 10 && osInfo.dwBuildNumber >= 22000)
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stream << "Win11";
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else
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stream << "Win" << osInfo.dwMajorVersion;
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}
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else
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stream << wversion_Family() << "\0";
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sprintf_s(un->sysname, ARRAY_SIZE(un->sysname), "%s", stream.str().c_str());
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// OS Service Pack
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int sp;
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if (swscanf_s(osInfo.szCSDVersion, L"Service Pack %d", &sp) == 1)
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sprintf_s(un->release, ARRAY_SIZE(un->release), "SP %d", sp);
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else
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un->release[0] = '\0';
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// OS Version.
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sprintf_s(un->version, ARRAY_SIZE(un->version), "%lu.%lu.%lu", osInfo.dwMajorVersion, osInfo.dwMinorVersion, osInfo.dwBuildNumber);
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// node name
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{
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WinScopedPreserveLastError s; // GetComputerName
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DWORD bufSize = sizeof(un->nodename);
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WARN_IF_FALSE(GetComputerNameA(un->nodename, &bufSize));
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}
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// hardware type
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SYSTEM_INFO si;
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GetNativeSystemInfo(&si);
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if (si.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_AMD64)
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strcpy_s(un->machine, ARRAY_SIZE(un->machine), "x64");
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else
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strcpy_s(un->machine, ARRAY_SIZE(un->machine), "x86");
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return 0;
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}
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