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OS (Windows): acquires OS name from registry

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This commit is contained in:
李通洲
2026-01-07 09:32:40 +08:00
parent 3163cfb1b6
commit cd8c15d01e
1 changed files with 14 additions and 0 deletions
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src/detection/os/os_windows.cpp
+14
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@@ -69,6 +69,17 @@ void ffDetectOSImpl(FFOSResult* os)
if(ffStrbufStartsWithS(&os->variant, "Microsoft "))
ffStrbufSubstrAfter(&os->variant, strlen("Microsoft ") - 1);
if(os->variant.length == 0) // Windows PE?
{
wchar_t buf[128];
DWORD bufSize = (DWORD) sizeof(buf); // with trailing '\0'
if(RegGetValueW(HKEY_LOCAL_MACHINE, L"SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion", L"ProductName", RRF_RT_REG_SZ, NULL, buf, &bufSize) == ERROR_SUCCESS)
{
assert(bufSize >= sizeof(wchar_t));
ffStrbufSetNWS(&os->variant, bufSize / sizeof(wchar_t) - 1, buf);
}
}
ffStrbufSet(&os->prettyName, &os->variant);
if(ffStrbufStartsWithS(&os->variant, "Windows "))
@@ -83,6 +94,9 @@ void ffDetectOSImpl(FFOSResult* os)
ffStrbufSubstrAfter(&os->variant, strlen(" Server") - 1);
}
if(ffStrbufStartsWithIgnCaseS(&os->variant, "(TM) "))
ffStrbufSubstrAfter(&os->variant, strlen(" (TM)") - 1);
uint32_t index = ffStrbufFirstIndexC(&os->variant, ' ');
ffStrbufAppendNS(&os->version, index, os->variant.chars);
ffStrbufSubstrAfter(&os->variant, index);