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// Copyright (c) 2011 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_PROTOCOL_JINGLE_STREAM_CONNECTOR_H_
#define REMOTING_PROTOCOL_JINGLE_STREAM_CONNECTOR_H_
#include "base/memory/scoped_ptr.h"
#include "net/base/completion_callback.h"
#include "remoting/protocol/channel_authenticator.h"
#include "remoting/protocol/jingle_channel_connector.h"
#include "remoting/protocol/session.h"
namespace cricket {
class TransportChannel;
} // namespace cricket
namespace jingle_glue {
class TransportChannelSocketAdapter;
} // namespace jingle_glue
namespace net {
class CertVerifier;
class StreamSocket;
class SSLClientSocket;
class SSLServerSocket;
} // namespace net
namespace remoting {
namespace protocol {
class JingleSession;
// JingleStreamConnector creates the named datagram channel in the supplied
// JingleSession, and uses PseudoTcp to turn it into a stream channel. Within
// the stream channel SSL is used to secure the protocol stream. Finally, the
// initiator authenticates the channel to the recipient by sending a digest
// based on a secret shared by the two parties, and keying material derived
// from the SSL session's master secret and nonces.
class JingleStreamConnector : public JingleChannelConnector {
public:
JingleStreamConnector(JingleSession* session,
const std::string& name,
const Session::StreamChannelCallback& callback);
virtual ~JingleStreamConnector();
// Starts connection process for the channel. |local_private_key| is
// owned by the caller, and must exist until this object is
// destroyed.
virtual void Connect(bool initiator,
const std::string& local_cert,
const std::string& remote_cert,
crypto::RSAPrivateKey* local_private_key,
cricket::TransportChannel* raw_channel) OVERRIDE;
private:
bool EstablishTCPConnection(net::Socket* socket);
void OnTCPConnect(int result);
bool EstablishSSLConnection();
void OnSSLConnect(int result);
void AuthenticateChannel();
void OnAuthenticationDone(ChannelAuthenticator::Result result);
void NotifyDone(net::StreamSocket* socket);
void NotifyError();
JingleSession* session_;
std::string name_;
Session::StreamChannelCallback callback_;
bool initiator_;
std::string local_cert_;
std::string remote_cert_;
crypto::RSAPrivateKey* local_private_key_;
cricket::TransportChannel* raw_channel_;
scoped_ptr<net::StreamSocket> socket_;
// TODO(wez): Ugly up-casts needed so we can fetch SSL keying material.
net::SSLClientSocket* ssl_client_socket_;
net::SSLServerSocket* ssl_server_socket_;
// Used to verify the certificate received in SSLClientSocket.
scoped_ptr<net::CertVerifier> cert_verifier_;
scoped_ptr<ChannelAuthenticator> authenticator_;
// Callback called by the TCP and SSL layers.
net::CompletionCallbackImpl<JingleStreamConnector> tcp_connect_callback_;
net::CompletionCallbackImpl<JingleStreamConnector> ssl_connect_callback_;
DISALLOW_COPY_AND_ASSIGN(JingleStreamConnector);
};
} // namespace protocol
} // namespace remoting
#endif // REMOTING_PROTOCOL_JINGLE_STREAM_CONNECTOR_H_
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