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// 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 NET_SOCKET_SSL_SERVER_SOCKET_OPENSSL_H_
#define NET_SOCKET_SSL_SERVER_SOCKET_OPENSSL_H_
#include "base/memory/scoped_ptr.h"
#include "net/base/completion_callback.h"
#include "net/base/io_buffer.h"
#include "net/base/net_log.h"
#include "net/socket/ssl_server_socket.h"
#include "net/ssl/ssl_config_service.h"
// Avoid including misc OpenSSL headers, i.e.:
// <openssl/bio.h>
typedef struct bio_st BIO;
// <openssl/ssl.h>
typedef struct ssl_st SSL;
namespace net {
class SSLInfo;
class SSLServerSocketOpenSSL : public SSLServerSocket {
public:
// See comments on CreateSSLServerSocket for details of how these
// parameters are used.
SSLServerSocketOpenSSL(scoped_ptr<StreamSocket> socket,
scoped_refptr<X509Certificate> certificate,
crypto::RSAPrivateKey* key,
const SSLConfig& ssl_config);
~SSLServerSocketOpenSSL() override;
// SSLServerSocket interface.
int Handshake(const CompletionCallback& callback) override;
// SSLSocket interface.
int ExportKeyingMaterial(const base::StringPiece& label,
bool has_context,
const base::StringPiece& context,
unsigned char* out,
unsigned int outlen) override;
int GetTLSUniqueChannelBinding(std::string* out) override;
// Socket interface (via StreamSocket).
int Read(IOBuffer* buf,
int buf_len,
const CompletionCallback& callback) override;
int Write(IOBuffer* buf,
int buf_len,
const CompletionCallback& callback) override;
int SetReceiveBufferSize(int32 size) override;
int SetSendBufferSize(int32 size) override;
// StreamSocket implementation.
int Connect(const CompletionCallback& callback) override;
void Disconnect() override;
bool IsConnected() const override;
bool IsConnectedAndIdle() const override;
int GetPeerAddress(IPEndPoint* address) const override;
int GetLocalAddress(IPEndPoint* address) const override;
const BoundNetLog& NetLog() const override;
void SetSubresourceSpeculation() override;
void SetOmniboxSpeculation() override;
bool WasEverUsed() const override;
bool UsingTCPFastOpen() const override;
bool WasNpnNegotiated() const override;
NextProto GetNegotiatedProtocol() const override;
bool GetSSLInfo(SSLInfo* ssl_info) override;
private:
enum State {
STATE_NONE,
STATE_HANDSHAKE,
};
void OnSendComplete(int result);
void OnRecvComplete(int result);
void OnHandshakeIOComplete(int result);
int BufferSend();
void BufferSendComplete(int result);
void TransportWriteComplete(int result);
int BufferRecv();
void BufferRecvComplete(int result);
int TransportReadComplete(int result);
bool DoTransportIO();
int DoPayloadRead();
int DoPayloadWrite();
int DoHandshakeLoop(int last_io_result);
int DoReadLoop(int result);
int DoWriteLoop(int result);
int DoHandshake();
void DoHandshakeCallback(int result);
void DoReadCallback(int result);
void DoWriteCallback(int result);
int Init();
// Members used to send and receive buffer.
bool transport_send_busy_;
bool transport_recv_busy_;
bool transport_recv_eof_;
scoped_refptr<DrainableIOBuffer> send_buffer_;
scoped_refptr<IOBuffer> recv_buffer_;
BoundNetLog net_log_;
CompletionCallback user_handshake_callback_;
CompletionCallback user_read_callback_;
CompletionCallback user_write_callback_;
// Used by Read function.
scoped_refptr<IOBuffer> user_read_buf_;
int user_read_buf_len_;
// Used by Write function.
scoped_refptr<IOBuffer> user_write_buf_;
int user_write_buf_len_;
// Used by TransportWriteComplete() and TransportReadComplete() to signify an
// error writing to the transport socket. A value of OK indicates no error.
int transport_write_error_;
// OpenSSL stuff
SSL* ssl_;
BIO* transport_bio_;
// StreamSocket for sending and receiving data.
scoped_ptr<StreamSocket> transport_socket_;
// Options for the SSL socket.
SSLConfig ssl_config_;
// Certificate for the server.
scoped_refptr<X509Certificate> cert_;
// Private key used by the server.
scoped_ptr<crypto::RSAPrivateKey> key_;
State next_handshake_state_;
bool completed_handshake_;
DISALLOW_COPY_AND_ASSIGN(SSLServerSocketOpenSSL);
};
} // namespace net
#endif // NET_SOCKET_SSL_SERVER_SOCKET_OPENSSL_H_
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