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/*
* TLS Client
* (C) 2004-2011 Jack Lloyd
*
* Released under the terms of the Botan license
*/
#ifndef BOTAN_TLS_CLIENT_H__
#define BOTAN_TLS_CLIENT_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:
/**
* Set up a new TLS client session
*/
TLS_Client(std::tr1::function<void (const byte[], size_t)> socket_output_fn,
std::tr1::function<void (const byte[], size_t, u16bit)> proc_fn,
const TLS_Policy& policy,
RandomNumberGenerator& rng);
/**
* Inject TLS traffic received from counterparty
* @return a hint as the how many more bytes we need to process the
current record (this may be 0 if on a record boundary)
*/
size_t received_data(const byte buf[], size_t buf_size);
/**
* Inject plaintext intended for counterparty
*/
void queue_for_sending(const byte buf[], size_t buf_size);
void close();
bool handshake_complete() const { return active; }
std::vector<X509_Certificate> peer_cert_chain() const { return peer_certs; }
void add_client_cert(const X509_Certificate& cert,
Private_Key* cert_key);
~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>&);
const TLS_Policy& policy;
RandomNumberGenerator& rng;
std::tr1::function<void (const byte[], size_t, u16bit)> proc_fn;
Record_Writer writer;
Record_Reader reader;
SecureQueue pre_handshake_write_queue;
std::vector<X509_Certificate> peer_certs;
std::vector<std::pair<X509_Certificate, Private_Key*> > certs;
class Handshake_State* state;
//SecureVector<byte> session_id;
bool active;
};
}
#endif
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