Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 67 insertions, 0 deletions

diff --git a/dom/plugins/ipc/FunctionBrokerParent.h b/dom/plugins/ipc/FunctionBrokerParent.h
new file mode 100644
index 0000000000..5ad26678b8
--- /dev/null
+++ b/dom/plugins/ipc/FunctionBrokerParent.h
@@ -0,0 +1,67 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: sw=2 ts=4 et :
+ * 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 http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_plugins_functionbrokerparent_h
+#define mozilla_plugins_functionbrokerparent_h
+
+#include "mozilla/plugins/PFunctionBrokerParent.h"
+#if defined(XP_WIN) && defined(MOZ_SANDBOX)
+#  include "sandboxPermissions.h"
+#endif
+
+namespace mozilla {
+namespace plugins {
+
+class FunctionBrokerThread;
+
+/**
+ * Top-level actor run on the process to which we broker calls from sandboxed
+ * plugin processes.
+ */
+class FunctionBrokerParent : public PFunctionBrokerParent {
+ public:
+  static FunctionBrokerParent* Create(
+      Endpoint<PFunctionBrokerParent>&& aParentEnd);
+  static void Destroy(FunctionBrokerParent* aInst);
+
+  void ActorDestroy(ActorDestroyReason aWhy) override;
+
+  mozilla::ipc::IPCResult RecvBrokerFunction(const FunctionHookId& aFunctionId,
+                                             const IpdlTuple& aInTuple,
+                                             IpdlTuple* aOutTuple) override;
+
+#if defined(XP_WIN) && defined(MOZ_SANDBOX)
+  static mozilla::SandboxPermissions* GetSandboxPermissions() {
+    return &sSandboxPermissions;
+  }
+#endif  // defined(XP_WIN) && defined(MOZ_SANDBOX)
+
+ private:
+  explicit FunctionBrokerParent(FunctionBrokerThread* aThread,
+                                Endpoint<PFunctionBrokerParent>&& aParentEnd);
+  ~FunctionBrokerParent();
+  void ShutdownOnBrokerThread();
+  void Bind(Endpoint<PFunctionBrokerParent>&& aEnd);
+
+  static bool RunBrokeredFunction(base::ProcessId aClientId,
+                                  const FunctionHookId& aFunctionId,
+                                  const IPC::IpdlTuple& aInTuple,
+                                  IPC::IpdlTuple* aOutTuple);
+
+#if defined(XP_WIN) && defined(MOZ_SANDBOX)
+  static void RemovePermissionsForProcess(base::ProcessId aClientId);
+  static mozilla::SandboxPermissions sSandboxPermissions;
+#endif  // defined(XP_WIN) && defined(MOZ_SANDBOX)
+
+  UniquePtr<FunctionBrokerThread> mThread;
+  Monitor mMonitor;
+  bool mShutdownDone;
+};
+
+}  // namespace plugins
+}  // namespace mozilla
+
+#endif  // mozilla_plugins_functionbrokerparent_hk