Do minimal processing of gnubby data. Add request timeouts and send error

remoting/host/gnubby_auth_handler_posix.h

 // Copyright 2014 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_GNUBBY_AUTH_HANDLER_POSIX_H_
 #define REMOTING_HOST_GNUBBY_AUTH_HANDLER_POSIX_H_
 
 #include <map>
 #include <string>
-#include <vector>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/threading/non_thread_safe.h"
 #include "net/socket/stream_listen_socket.h"
 #include "remoting/host/gnubby_auth_handler.h"
 
+namespace base {
+class DictionaryValue;
+class Timer;
+}  // namespace base
+
 namespace remoting {
 
 namespace protocol {
 class ClientStub;
 }  // namespace protocol
 
+class GnubbySocket;
+
 class GnubbyAuthHandlerPosix : public GnubbyAuthHandler,
                                public base::NonThreadSafe,
                                public net::StreamListenSocket::Delegate {
  public:
   explicit GnubbyAuthHandlerPosix(protocol::ClientStub* client_stub);
   virtual ~GnubbyAuthHandlerPosix();
 
   bool HasActiveSocketForTesting(net::StreamListenSocket* socket) const;
+  int GetConnectionIdForTesting(net::StreamListenSocket* socket) const;
+  GnubbySocket* GetGnubbySocketForTesting(
+      net::StreamListenSocket* socket) const;
 
  private:
+  typedef std::map<int, GnubbySocket*> ActiveSockets;
+
   // GnubbyAuthHandler interface.
   virtual void DeliverClientMessage(const std::string& message) OVERRIDE;
   virtual void DeliverHostDataMessage(int connection_id,
                                       const std::string& data) const OVERRIDE;
 
   // StreamListenSocket::Delegate interface.
   virtual void DidAccept(net::StreamListenSocket* server,
                          scoped_ptr<net::StreamListenSocket> socket) OVERRIDE;
   virtual void DidRead(net::StreamListenSocket* socket,
                        const char* data,
                        int len) OVERRIDE;
   virtual void DidClose(net::StreamListenSocket* socket) OVERRIDE;
 
   // Create socket for authorization.
   void CreateAuthorizationSocket();
 
   // Process a gnubby request.
-  void ProcessGnubbyRequest(int connection_id, const char* data, int data_len);
+  void ProcessGnubbyRequest(int connection_id, const std::string& request_data);
+
+  // Gets an active socket iterator for the connection id in |dictionary|.
+  ActiveSockets::iterator GetActiveSocket(base::DictionaryValue* dictionary);
+
+  // Send an error and close an active socket.
+  void SendErrorAndCloseActiveSocket(const ActiveSockets::iterator& iter);
+
+  // A request timed out.
+  void RequestTimedOut(int connection_id);
 
   // Interface through which communication with the client occurs.
   protocol::ClientStub* client_stub_;
 
   // Socket used to listen for authorization requests.
   scoped_ptr<net::StreamListenSocket> auth_socket_;
 
   // The last assigned gnubby connection id.
   int last_connection_id_;
 
   // Sockets by connection id used to process gnubbyd requests.
-  typedef std::map<int, net::StreamListenSocket*> ActiveSockets;
   ActiveSockets active_sockets_;
 
-  // Partial gnubbyd request data by connection id.
-  typedef std::map<int, std::vector<char> > ActiveRequests;
-  ActiveRequests active_requests_;
-
   DISALLOW_COPY_AND_ASSIGN(GnubbyAuthHandlerPosix);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_GNUBBY_AUTH_HANDLER_POSIX_H_