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/*
* TLS Stream Helper
* (C) 2018-2019 Jack Lloyd
* 2018-2019 Hannes Rantzsch, Tim Oesterreich, Rene Meusel
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#ifndef BOTAN_ASIO_STREAM_BASE_H_
#define BOTAN_ASIO_STREAM_BASE_H_
#if defined(BOTAN_HAS_TLS) && defined(BOTAN_HAS_BOOST_ASIO)
#include <boost/version.hpp>
#if BOOST_VERSION >= 106600
#include <botan/tls_client.h>
#include <botan/asio_context.h>
#include <botan/asio_error.h>
#include <botan/internal/asio_stream_core.h>
namespace Botan {
namespace TLS {
enum handshake_type
{
client,
server
};
/** Base class for all Botan::TLS::Stream implementations.
*
* This template must be specialized for all the Botan::TLS::Channel to be used.
* Currently it only supports the Botan::TLS::Client channel that impersonates
* the client-side of a TLS connection.
*
* TODO: create a Botan::TLS::Server specialization
*/
template <class Channel>
class StreamBase
{
};
template <>
class StreamBase<Botan::TLS::Client>
{
public:
StreamBase(Context& context)
: m_channel(m_core,
*context.sessionManager,
*context.credentialsManager,
*context.policy,
*context.randomNumberGenerator,
context.serverInfo)
{
}
StreamBase(const StreamBase&) = delete;
StreamBase& operator=(const StreamBase&) = delete;
using handshake_type = Botan::TLS::handshake_type;
protected:
//! \brief validate the OpenSSL compatibility enum `handshake_type`
void validate_handshake_type(handshake_type type)
{
if(type != handshake_type::client)
{
throw Invalid_Argument("wrong handshake_type");
}
}
//! \brief validate the OpenSSL compatibility enum `handshake_type`
bool validate_handshake_type(handshake_type type, boost::system::error_code& ec)
{
if(type != handshake_type::client)
{
ec = Botan::TLS::error::invalid_argument;
return false;
}
return true;
}
Botan::TLS::StreamCore m_core;
Botan::TLS::Client m_channel;
};
} // namespace TLS
} // namespace Botan
#endif // BOOST_VERSION
#endif // BOTAN_HAS_TLS && BOTAN_HAS_BOOST_ASIO
#endif // BOTAN_ASIO_STREAM_BASE_H_
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