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// Copyright (c) 2010 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_CLIENT_SOCKET_MAC_H_
#define NET_SOCKET_SSL_CLIENT_SOCKET_MAC_H_
#pragma once
#include <Security/Security.h>
#include <string>
#include <vector>
#include "base/scoped_ptr.h"
#include "net/base/cert_verify_result.h"
#include "net/base/completion_callback.h"
#include "net/base/host_port_pair.h"
#include "net/base/net_log.h"
#include "net/base/ssl_config_service.h"
#include "net/socket/ssl_client_socket.h"
namespace net {
class CertVerifier;
class ClientSocketHandle;
// An SSL client socket implemented with Secure Transport.
class SSLClientSocketMac : public SSLClientSocket {
public:
// Takes ownership of the |transport_socket|, which must already be connected.
// The hostname specified in |host_and_port| will be compared with the name(s)
// in the server's certificate during the SSL handshake. If SSL client
// authentication is requested, the host_and_port field of SSLCertRequestInfo
// will be populated with |host_and_port|. |ssl_config| specifies
// the SSL settings.
SSLClientSocketMac(ClientSocketHandle* transport_socket,
const HostPortPair& host_and_port,
const SSLConfig& ssl_config);
~SSLClientSocketMac();
// SSLClientSocket methods:
virtual void GetSSLInfo(SSLInfo* ssl_info);
virtual void GetSSLCertRequestInfo(SSLCertRequestInfo* cert_request_info);
virtual NextProtoStatus GetNextProto(std::string* proto);
// ClientSocket methods:
virtual int Connect(CompletionCallback* callback
#ifdef ANDROID
, bool wait_for_connect
#endif
);
virtual void Disconnect();
virtual bool IsConnected() const;
virtual bool IsConnectedAndIdle() const;
virtual int GetPeerAddress(AddressList* address) const;
virtual const BoundNetLog& NetLog() const { return net_log_; }
virtual void SetSubresourceSpeculation();
virtual void SetOmniboxSpeculation();
virtual bool WasEverUsed() const;
virtual bool UsingTCPFastOpen() const;
// Socket methods:
virtual int Read(IOBuffer* buf, int buf_len, CompletionCallback* callback);
virtual int Write(IOBuffer* buf, int buf_len, CompletionCallback* callback);
virtual bool SetReceiveBufferSize(int32 size);
virtual bool SetSendBufferSize(int32 size);
private:
bool completed_handshake() const {
return next_handshake_state_ == STATE_COMPLETED_HANDSHAKE;
}
// Initializes the SSLContext. Returns a net error code.
int InitializeSSLContext();
void DoConnectCallback(int result);
void DoReadCallback(int result);
void DoWriteCallback(int result);
void OnHandshakeIOComplete(int result);
void OnTransportReadComplete(int result);
void OnTransportWriteComplete(int result);
int DoHandshakeLoop(int last_io_result);
int DoPayloadRead();
int DoPayloadWrite();
int DoHandshake();
int DoVerifyCert();
int DoVerifyCertComplete(int result);
int DoCompletedRenegotiation(int result);
void DidCompleteRenegotiation();
int DidCompleteHandshake();
int SetClientCert();
static OSStatus SSLReadCallback(SSLConnectionRef connection,
void* data,
size_t* data_length);
static OSStatus SSLWriteCallback(SSLConnectionRef connection,
const void* data,
size_t* data_length);
CompletionCallbackImpl<SSLClientSocketMac> handshake_io_callback_;
CompletionCallbackImpl<SSLClientSocketMac> transport_read_callback_;
CompletionCallbackImpl<SSLClientSocketMac> transport_write_callback_;
scoped_ptr<ClientSocketHandle> transport_;
HostPortPair host_and_port_;
SSLConfig ssl_config_;
CompletionCallback* user_connect_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_;
enum State {
STATE_NONE,
STATE_HANDSHAKE,
STATE_VERIFY_CERT,
STATE_VERIFY_CERT_COMPLETE,
STATE_COMPLETED_RENEGOTIATION,
STATE_COMPLETED_HANDSHAKE,
// After the handshake, the socket remains in the
// STATE_COMPLETED_HANDSHAKE state until renegotiation is requested by
// the server. When renegotiation is requested, the state machine
// restarts at STATE_HANDSHAKE, advances through to
// STATE_VERIFY_CERT_COMPLETE, and then continues to
// STATE_COMPLETED_RENEGOTIATION. After STATE_COMPLETED_RENEGOTIATION
// has been processed, it goes back to STATE_COMPLETED_HANDSHAKE and
// will remain there until the server requests renegotiation again.
// During the initial handshake, STATE_COMPLETED_RENEGOTIATION is
// skipped.
};
State next_handshake_state_;
scoped_refptr<X509Certificate> server_cert_;
scoped_ptr<CertVerifier> verifier_;
CertVerifyResult server_cert_verify_result_;
// The initial handshake has already completed, and the current handshake
// is server-initiated renegotiation.
bool renegotiating_;
bool client_cert_requested_;
SSLContextRef ssl_context_;
// These buffers hold data retrieved from/sent to the underlying transport
// before it's fed to the SSL engine.
std::vector<char> send_buffer_;
int pending_send_error_;
std::vector<char> recv_buffer_;
// These are the IOBuffers used for operations on the underlying transport.
scoped_refptr<IOBuffer> read_io_buf_;
scoped_refptr<IOBuffer> write_io_buf_;
BoundNetLog net_log_;
};
} // namespace net
#endif // NET_SOCKET_SSL_CLIENT_SOCKET_MAC_H_
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