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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_
#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/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 may already be connected.
// The given hostname will be compared with the name(s) in the server's
// certificate during the SSL handshake. ssl_config specifies the SSL
// settings.
SSLClientSocketMac(ClientSocketHandle* transport_socket,
const std::string& hostname,
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);
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_; }
// 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:
// Initializes the SSLContext. Returns a net error code.
int InitializeSSLContext();
OSStatus EnableBreakOnAuth(bool enabled);
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 DoHandshakeStart();
int DoVerifyCert();
int DoVerifyCertComplete(int result);
int DoHandshakeFinish();
void HandshakeFinished();
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_;
std::string hostname_;
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_START,
STATE_VERIFY_CERT,
STATE_VERIFY_CERT_COMPLETE,
STATE_HANDSHAKE_FINISH,
};
State next_handshake_state_;
scoped_refptr<X509Certificate> server_cert_;
scoped_ptr<CertVerifier> verifier_;
CertVerifyResult server_cert_verify_result_;
bool completed_handshake_;
bool handshake_interrupted_;
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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