LM (Windows): adds support

CMakeLists.txt

@@ -1144,7 +1144,7 @@ elseif(WIN32)
         src/detection/initsystem/initsystem_windows.c
         src/detection/keyboard/keyboard_windows.c
         src/detection/libc/libc_windows.cpp
-        src/detection/lm/lm_nosupport.c
+        src/detection/lm/lm_windows.c
         src/detection/loadavg/loadavg_nosupport.c
         src/detection/locale/locale_windows.c
         src/detection/localip/localip_windows.c

src/detection/lm/lm_windows.c

@@ -0,0 +1,19 @@
+#include "lm.h"
+
+#include "common/windows/version.h"
+#include "common/windows/nt.h"
+
+#include <wchar.h>
+
+const char* ffDetectLM(FFLMResult* result) {
+    ffStrbufSetStatic(&result->service, "LogonUI");
+    ffStrbufSetStatic(&result->prettyName, "Logon User Interface");
+
+    if (instance.config.general.detectVersion) {
+        wchar_t exePath[MAX_PATH];
+        _snwprintf(exePath, ARRAY_SIZE(exePath), L"%ls\\system32\\%ls", (const wchar_t*) SharedUserData->NtSystemRoot, L"LogonUI.exe");
+        ffGetFileVersion(exePath, nullptr, &result->version);
+    }
+
+    return nullptr;
+}