tls_client.h

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/*
* TLS Client
* (C) 2004-2010 Jack Lloyd
*
* Released under the terms of the Botan license
*/
 
#ifndef BOTAN_TLS_CLIENT_H__
#define BOTAN_TLS_CLIENT_H__
 
#include <botan/tls_connection.h>
#include <botan/tls_policy.h>
#include <botan/tls_record.h>
#include <vector>
#include <string>
 
namespace Botan {
 
/**
* SSL/TLS Client
*/
class BOTAN_DLL TLS_Client : public TLS_Connection
   {
   public:
      size_t read(byte buf[], size_t buf_len);
      void write(const byte buf[], size_t buf_len);
 
      void close();
      bool is_closed() const;
 
      std::vector<X509_Certificate> peer_cert_chain() const;
 
      void add_client_cert(const X509_Certificate& cert,
                           Private_Key* cert_key);
 
      TLS_Client(std::tr1::function<size_t (byte[], size_t)> input_fn,
                 std::tr1::function<void (const byte[], size_t)> output_fn,
                 const TLS_Policy& policy,
                 RandomNumberGenerator& rng);
 
      ~TLS_Client();
   private:
      void close(Alert_Level, Alert_Type);
 
      size_t get_pending_socket_input(byte output[], size_t length);
 
      void initialize();
      void do_handshake();
 
      void state_machine();
      void read_handshake(byte, const MemoryRegion<byte>&);
      void process_handshake_msg(Handshake_Type, const MemoryRegion<byte>&);
 
      std::tr1::function<size_t (byte[], size_t)> input_fn;
 
      const TLS_Policy& policy;
      RandomNumberGenerator& rng;
 
      Record_Writer writer;
      Record_Reader reader;
 
      std::vector<X509_Certificate> peer_certs;
      std::vector<std::pair<X509_Certificate, Private_Key*> > certs;
 
      class Handshake_State* state;
      SecureVector<byte> session_id;
      SecureQueue read_buf;
      bool active;
   };
 
}
 
#endif