mirror of
https://github.com/fastfetch-cli/fastfetch.git
synced 2026-10-31 20:20:47 +01:00
Carter Li
115 lines
3.6 KiB
C++
115 lines
3.6 KiB
C++
extern "C" {
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#include "os.h"
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#include "common/library.h"
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#include "util/stringUtils.h"
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#include "util/windows/registry.h"
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}
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#include "util/windows/unicode.hpp"
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#include "util/windows/wmi.hpp"
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static const char* getOsNameByWmi(FFstrbuf* osName)
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{
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FFWmiQuery query(L"SELECT Caption FROM Win32_OperatingSystem");
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if(!query)
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return "Query WMI service failed";
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if(FFWmiRecord record = query.next())
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{
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if(auto vtCaption = record.get(L"Caption"))
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{
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ffStrbufSetWSV(osName, vtCaption.get<std::wstring_view>());
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ffStrbufTrimRight(osName, ' ');
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return NULL;
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}
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return "Get Caption failed";
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}
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return "No WMI result returned";
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}
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PWSTR WINAPI BrandingFormatString(PCWSTR format);
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static bool getCodeName(FFOSResult* os)
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{
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FF_HKEY_AUTO_DESTROY hKey = NULL;
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if(!ffRegOpenKeyForRead(HKEY_LOCAL_MACHINE, L"SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion", &hKey, NULL))
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return false;
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if(!ffRegReadStrbuf(hKey, L"DisplayVersion", &os->codename, NULL))
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{
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if (!ffRegReadStrbuf(hKey, L"CSDVersion", &os->codename, NULL)) // For Windows 7 and Windows 8
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if (!ffRegReadStrbuf(hKey, L"ReleaseId", &os->codename, NULL)) // For old Windows 10
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return false;
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}
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return true;
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}
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static const char* getOsNameByWinbrand(FFstrbuf* osName)
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{
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//https://dennisbabkin.com/blog/?t=how-to-tell-the-real-version-of-windows-your-app-is-running-on#ver_string
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FF_LIBRARY_LOAD(winbrand, "dlopen winbrand" FF_LIBRARY_EXTENSION " failed", "winbrand" FF_LIBRARY_EXTENSION, 1);
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FF_LIBRARY_LOAD_SYMBOL_MESSAGE(winbrand, BrandingFormatString);
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const wchar_t* rawName = ffBrandingFormatString(L"%WINDOWS_LONG%");
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ffStrbufSetWS(osName, rawName);
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GlobalFree((HGLOBAL)rawName);
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return NULL;
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}
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extern "C"
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void ffDetectOSImpl(FFOSResult* os)
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{
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if(getOsNameByWinbrand(&os->variant) && getOsNameByWmi(&os->variant))
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return;
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ffStrbufTrimRight(&os->variant, ' ');
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//WMI returns the "Microsoft" prefix while BrandingFormatString doesn't. Make them consistent.
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if(ffStrbufStartsWithS(&os->variant, "Microsoft "))
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ffStrbufSubstrAfter(&os->variant, strlen("Microsoft ") - 1);
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ffStrbufSet(&os->prettyName, &os->variant);
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if(ffStrbufStartsWithS(&os->variant, "Windows "))
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{
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ffStrbufAppendS(&os->name, "Windows");
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ffStrbufSubstrAfter(&os->variant, strlen("Windows ") - 1);
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if(ffStrbufStartsWithS(&os->variant, "Server "))
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{
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ffStrbufAppendS(&os->name, " Server");
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ffStrbufSubstrAfter(&os->variant, strlen(" Server") - 1);
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}
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uint32_t index = ffStrbufFirstIndexC(&os->variant, ' ');
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ffStrbufAppendNS(&os->version, index, os->variant.chars);
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ffStrbufSubstrAfter(&os->variant, index);
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// Windows Server 20xx Rx
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if(ffStrbufEndsWithC(&os->name, 'r'))
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{
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if(os->variant.chars[0] == 'R' &&
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ffCharIsDigit(os->variant.chars[1]) &&
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(os->variant.chars[2] == '\0' || os->variant.chars[2] == ' '))
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{
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ffStrbufAppendF(&os->version, " R%c", os->variant.chars[1]);
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ffStrbufSubstrAfter(&os->variant, strlen("Rx ") - 1);
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}
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}
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}
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else
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{
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// Unknown Windows name, please report this
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ffStrbufAppend(&os->name, &os->variant);
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ffStrbufClear(&os->variant);
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}
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ffStrbufAppendF(&os->id, "%s %s", os->name.chars, os->version.chars);
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ffStrbufSetStatic(&os->idLike, "Windows");
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if (getCodeName(os) && os->codename.length > 0)
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ffStrbufAppendF(&os->prettyName, " (%s)", os->codename.chars);
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}
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