1 files changed, 50 insertions, 0 deletions
diff --git a/toolkit/xre/dllservices/ModuleEvaluator.h b/toolkit/xre/dllservices/ModuleEvaluator.h
new file mode 100644
index 0000000000..565b5d4da4
--- /dev/null
+++ b/toolkit/xre/dllservices/ModuleEvaluator.h
@@ -0,0 +1,50 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_ModuleEvaluator_h
+#define mozilla_ModuleEvaluator_h
+
+#include "mozilla/Attributes.h"
+#include "mozilla/Maybe.h"
+#include "mozilla/UntrustedModulesData.h"
+#include "mozilla/Vector.h"
+#include "mozilla/WinHeaderOnlyUtils.h"
+#include "nsCOMPtr.h"
+#include "nsIFile.h"
+#include "nsString.h"
+
+#include <shtypes.h>
+
+namespace mozilla {
+
+class ModuleRecord;
+
+/**
+ * This class performs trustworthiness evaluation for incoming DLLs.
+ */
+class MOZ_RAII ModuleEvaluator final {
+ public:
+  ModuleEvaluator();
+
+  explicit operator bool() const;
+
+  Maybe<ModuleTrustFlags> GetTrust(const ModuleRecord& aModuleRecord) const;
+
+ private:
+  static bool ResolveKnownFolder(REFKNOWNFOLDERID aFolderId,
+                                 nsIFile** aOutFile);
+
+ private:
+  Maybe<ModuleVersion> mExeVersion;  // Version number of the running EXE image
+  nsCOMPtr<nsIFile> mExeDirectory;
+  nsCOMPtr<nsIFile> mSysDirectory;
+  nsCOMPtr<nsIFile> mWinSxSDirectory;
+  Vector<nsString> mKeyboardLayoutDlls;
+};
+
+}  // namespace mozilla
+
+#endif  // mozilla_ModuleEvaluator_h