remoting/host/gnubby_auth_handler_posix.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef REMOTING_HOST_GNUBBY_AUTH_HANDLER_POSIX_H_
   6 #define REMOTING_HOST_GNUBBY_AUTH_HANDLER_POSIX_H_
   7
   8 #include <map>
   9 #include <string>
  10
  11 #include "base/memory/scoped_ptr.h"
  12 #include "base/threading/non_thread_safe.h"
  13 #include "net/socket/stream_listen_socket.h"
  14 #include "remoting/host/gnubby_auth_handler.h"
  15
  16 namespace base {
  17 class DictionaryValue;
  18 }  // namespace base
  19
  20 namespace remoting {
  21
  22 namespace protocol {
  23 class ClientStub;
  24 }  // namespace protocol
  25
  26 class GnubbySocket;
  27
  28 class GnubbyAuthHandlerPosix : public GnubbyAuthHandler,
  29                                public base::NonThreadSafe,
  30                                public net::StreamListenSocket::Delegate {
  31  public:
  32   explicit GnubbyAuthHandlerPosix(protocol::ClientStub* client_stub);
  33   ~GnubbyAuthHandlerPosix() override;
  34
  35   bool HasActiveSocketForTesting(net::StreamListenSocket* socket) const;
  36   int GetConnectionIdForTesting(net::StreamListenSocket* socket) const;
  37   GnubbySocket* GetGnubbySocketForTesting(
  38       net::StreamListenSocket* socket) const;
  39
  40  private:
  41   typedef std::map<int, GnubbySocket*> ActiveSockets;
  42
  43   // GnubbyAuthHandler interface.
  44   void DeliverClientMessage(const std::string& message) override;
  45   void DeliverHostDataMessage(int connection_id,
  46                               const std::string& data) const override;
  47
  48   // StreamListenSocket::Delegate interface.
  49   void DidAccept(net::StreamListenSocket* server,
  50                  scoped_ptr<net::StreamListenSocket> socket) override;
  51   void DidRead(net::StreamListenSocket* socket,
  52                const char* data,
  53                int len) override;
  54   void DidClose(net::StreamListenSocket* socket) override;
  55
  56   // Create socket for authorization.
  57   void CreateAuthorizationSocket();
  58
  59   // Process a gnubby request.
  60   void ProcessGnubbyRequest(int connection_id, const std::string& request_data);
  61
  62   // Gets an active socket iterator for the connection id in |message|.
  63   ActiveSockets::iterator GetSocketForMessage(base::DictionaryValue* message);
  64
  65   // Send an error and close an active socket.
  66   void SendErrorAndCloseActiveSocket(const ActiveSockets::iterator& iter);
  67
  68   // A request timed out.
  69   void RequestTimedOut(int connection_id);
  70
  71   // Interface through which communication with the client occurs.
  72   protocol::ClientStub* client_stub_;
  73
  74   // Socket used to listen for authorization requests.
  75   scoped_ptr<net::StreamListenSocket> auth_socket_;
  76
  77   // The last assigned gnubby connection id.
  78   int last_connection_id_;
  79
  80   // Sockets by connection id used to process gnubbyd requests.
  81   ActiveSockets active_sockets_;
  82
  83   DISALLOW_COPY_AND_ASSIGN(GnubbyAuthHandlerPosix);
  84 };
  85
  86 }  // namespace remoting
  87
  88 #endif  // REMOTING_HOST_GNUBBY_AUTH_HANDLER_POSIX_H_