1 files changed, 70 insertions, 0 deletions
diff --git a/browser/app/winlauncher/LauncherProcessWin.h b/browser/app/winlauncher/LauncherProcessWin.h
new file mode 100644
index 0000000000..8fd53d7d3f
--- /dev/null
+++ b/browser/app/winlauncher/LauncherProcessWin.h
@@ -0,0 +1,70 @@
+/* -*- 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_LauncherProcessWin_h
+#define mozilla_LauncherProcessWin_h
+
+#include "mozilla/Maybe.h"
+#include "mozilla/TypedEnumBits.h"
+
+#include <stdint.h>
+
+namespace mozilla {
+
+// Forward declaration
+struct StaticXREAppData;
+
+/**
+ * Determine whether or not the current process should be run as the launcher
+ * process, and run if so. If we are not supposed to run as the launcher
+ * process, or in the event of a launcher process failure, return Nothing, thus
+ * indicating that we should continue on the original startup code path.
+ */
+Maybe<int> LauncherMain(int& argc, wchar_t* argv[],
+                        const StaticXREAppData& aAppData);
+
+enum class LauncherFlags : uint32_t {
+  eNone = 0,
+  eWaitForBrowser = (1 << 0),  // Launcher should block until browser finishes
+  eNoDeelevate = (1 << 1),     // If elevated, do not attempt to de-elevate
+  eDeelevating = (1 << 2),     // A de-elevation attempt has been made
+};
+
+MOZ_MAKE_ENUM_CLASS_BITWISE_OPERATORS(LauncherFlags);
+
+enum class DeelevationStatus : uint32_t {
+  // The deelevation status could not be determined. Should never actually be
+  // the value of `gDeelevationStatus`.
+  Unknown = 0,
+
+  // Deelevation did not need to be performed because the process was started
+  // without administrative privileges.
+  StartedUnprivileged = 1,
+  // Deelevation would have been performed, but was prohibited due to a flag.
+  DeelevationProhibited = 2,
+  // The launcher process was successfully deelevated.
+  SuccessfullyDeelevated = 3,
+  // The launcher process was not successfully deelevated, but a
+  // medium-integrity token was used to launch the main process.
+  PartiallyDeelevated = 4,
+  // Deelevation was attempted, but failed completely. The main process is
+  // running with administrative privileges.
+  UnsuccessfullyDeelevated = 5,
+
+  // This is the static initial value of `gDeelevationStatus`; it acts as a
+  // sentinel to determine whether the launcher has set it at all. (It's
+  // therefore the normal value of `gDeelevationStatus` when the launcher is
+  // disabled.)
+  DefaultStaticValue = 0x55AA55AA,
+};
+
+// The result of the deelevation attempt. Set by the launcher process in the
+// main process when the two are distinct.
+extern const volatile DeelevationStatus gDeelevationStatus;
+
+}  // namespace mozilla
+
+#endif  // mozilla_LauncherProcessWin_h