Add gnubby authentication to remoting host

remoting/host/me2me_desktop_environment.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef REMOTING_HOST_ME2ME_DESKTOP_ENVIRONMENT_H_
 #define REMOTING_HOST_ME2ME_DESKTOP_ENVIRONMENT_H_
 
 #include "remoting/host/basic_desktop_environment.h"
 
 namespace remoting {
 
 class CurtainMode;
 class HostWindow;
 class LocalInputMonitor;
 
 // Same as BasicDesktopEnvironment but supports desktop resizing and X DAMAGE
 // notifications on Linux.
 class Me2MeDesktopEnvironment : public BasicDesktopEnvironment {
  public:
   virtual ~Me2MeDesktopEnvironment();
 
   // DesktopEnvironment interface.
   virtual scoped_ptr<ScreenControls> CreateScreenControls() OVERRIDE;
   virtual scoped_ptr<webrtc::ScreenCapturer> CreateVideoCapturer() OVERRIDE;
   virtual std::string GetCapabilities() const OVERRIDE;
+  virtual scoped_ptr<GnubbyAuthHandler> CreateGnubbyAuthHandler(
+      protocol::ClientStub* client_stub) OVERRIDE;
 
  protected:
   friend class Me2MeDesktopEnvironmentFactory;
   Me2MeDesktopEnvironment(
       scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner,
       scoped_refptr<base::SingleThreadTaskRunner> input_task_runner,
       scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner);
 
   // Initializes security features of the desktop environment (the curtain mode
   // and in-session UI).
   bool InitializeSecurity(
       base::WeakPtr<ClientSessionControl> client_session_control,
       bool curtain_enabled);
 
+  void SetEnableGnubbyAuth(bool gnubby_auth_enabled);
+
  private:
   // "Curtains" the session making sure it is disconnected from the local
   // console.
   scoped_ptr<CurtainMode> curtain_;
 
   // Presents the disconnect window to the local user.
   scoped_ptr<HostWindow> disconnect_window_;
 
   // Notifies the client session about the local mouse movements.
   scoped_ptr<LocalInputMonitor> local_input_monitor_;
 
+  // True if gnubby auth is enabled.
+  bool gnubby_auth_enabled_;
+
   DISALLOW_COPY_AND_ASSIGN(Me2MeDesktopEnvironment);
 };
 
 // Used to create |Me2MeDesktopEnvironment| instances.
 class Me2MeDesktopEnvironmentFactory : public BasicDesktopEnvironmentFactory {
  public:
   Me2MeDesktopEnvironmentFactory(
       scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner,
       scoped_refptr<base::SingleThreadTaskRunner> input_task_runner,
       scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner);
   virtual ~Me2MeDesktopEnvironmentFactory();
 
   // DesktopEnvironmentFactory interface.
   virtual scoped_ptr<DesktopEnvironment> Create(
       base::WeakPtr<ClientSessionControl> client_session_control) OVERRIDE;
   virtual void SetEnableCurtaining(bool enable) OVERRIDE;
+  virtual void SetEnableGnubbyAuth(bool enable) OVERRIDE;
 
  protected:
   bool curtain_enabled() const { return curtain_enabled_; }
 
  private:
   // True if curtain mode is enabled.
   bool curtain_enabled_;
 
+  // True if gnubby auth is enabled.
+  bool gnubby_auth_enabled_;
+
   DISALLOW_COPY_AND_ASSIGN(Me2MeDesktopEnvironmentFactory);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_ME2ME_DESKTOP_ENVIRONMENT_H_