remoting/protocol/v2_authenticator.h

   1 // Copyright (c) 2012 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_PROTOCOL_V2_AUTHENTICATOR_H_
   6 #define REMOTING_PROTOCOL_V2_AUTHENTICATOR_H_
   7
   8 #include <string>
   9 #include <queue>
  10
  11 #include "base/compiler_specific.h"
  12 #include "base/gtest_prod_util.h"
  13 #include "base/memory/scoped_ptr.h"
  14 #include "crypto/p224_spake.h"
  15 #include "remoting/protocol/authenticator.h"
  16
  17 namespace remoting {
  18
  19 class RsaKeyPair;
  20
  21 namespace protocol {
  22
  23 class V2Authenticator : public Authenticator {
  24  public:
  25   static bool IsEkeMessage(const buzz::XmlElement* message);
  26
  27   static scoped_ptr<Authenticator> CreateForClient(
  28       const std::string& shared_secret,
  29       State initial_state);
  30
  31   static scoped_ptr<Authenticator> CreateForHost(
  32       const std::string& local_cert,
  33       scoped_refptr<RsaKeyPair> key_pair,
  34       const std::string& shared_secret,
  35       State initial_state);
  36
  37   ~V2Authenticator() override;
  38
  39   // Authenticator interface.
  40   State state() const override;
  41   bool started() const override;
  42   RejectionReason rejection_reason() const override;
  43   void ProcessMessage(const buzz::XmlElement* message,
  44                       const base::Closure& resume_callback) override;
  45   scoped_ptr<buzz::XmlElement> GetNextMessage() override;
  46   scoped_ptr<ChannelAuthenticator> CreateChannelAuthenticator() const override;
  47
  48  private:
  49   FRIEND_TEST_ALL_PREFIXES(V2AuthenticatorTest, InvalidSecret);
  50
  51   V2Authenticator(crypto::P224EncryptedKeyExchange::PeerType type,
  52                   const std::string& shared_secret,
  53                   State initial_state);
  54
  55   virtual void ProcessMessageInternal(const buzz::XmlElement* message);
  56
  57   bool is_host_side() const;
  58
  59   // Used only for host authenticators.
  60   std::string local_cert_;
  61   scoped_refptr<RsaKeyPair> local_key_pair_;
  62   bool certificate_sent_;
  63
  64   // Used only for client authenticators.
  65   std::string remote_cert_;
  66
  67   // Used for both host and client authenticators.
  68   crypto::P224EncryptedKeyExchange key_exchange_impl_;
  69   State state_;
  70   bool started_;
  71   RejectionReason rejection_reason_;
  72   std::queue<std::string> pending_messages_;
  73   std::string auth_key_;
  74
  75   DISALLOW_COPY_AND_ASSIGN(V2Authenticator);
  76 };
  77
  78 }  // namespace protocol
  79 }  // namespace remoting
  80
  81 #endif  // REMOTING_PROTOCOL_V2_AUTHENTICATOR_H_