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/******************************************************************************
* ____ _ _____ *
* / ___| / \ | ___| C++ *
* | | / _ \ | |_ Actor *
* | |___ / ___ \| _| Framework *
* \____/_/ \_|_| *
* *
* Copyright 2011-2018 Dominik Charousset *
* *
* Distributed under the terms and conditions of the BSD 3-Clause License or *
* (at your option) under the terms and conditions of the Boost Software *
* License 1.0. See accompanying files LICENSE and LICENSE_ALTERNATIVE. *
* *
* If you did not receive a copy of the license files, see *
* http://opensource.org/licenses/BSD-3-Clause and *
* http://www.boost.org/LICENSE_1_0.txt. *
******************************************************************************/
#pragma once
#include <memory>
#include "caf/config.hpp"
CAF_PUSH_WARNINGS
#include <openssl/ssl.h>
CAF_POP_WARNINGS
#include "caf/actor_system.hpp"
#include "caf/io/network/native_socket.hpp"
#include "caf/io/network/default_multiplexer.hpp"
#if OPENSSL_VERSION_NUMBER >= 0x10100000L
# define CAF_SSL_HAS_SECURITY_LEVEL
# define CAF_SSL_HAS_NON_VERSIONED_TLS_FUN
#endif
#if defined(SSL_CTX_set_ecdh_auto)
# define CAF_SSL_HAS_ECDH_AUTO
#endif
namespace caf {
namespace openssl {
using native_socket = io::network::native_socket;
using rw_state = io::network::rw_state;
class session {
public:
session(actor_system& sys);
~session();
bool init();
rw_state read_some(size_t& result, native_socket fd, void* buf, size_t len);
rw_state write_some(size_t& result, native_socket fd, const void* buf,
size_t len);
bool try_connect(native_socket fd);
bool try_accept(native_socket fd);
bool must_read_more(native_socket, size_t threshold);
const char* openssl_passphrase();
private:
rw_state do_some(int (*f)(SSL*, void*, int), size_t& result, void* buf,
size_t len, const char* debug_name);
SSL_CTX* create_ssl_context();
std::string get_ssl_error();
bool handle_ssl_result(int ret);
actor_system& sys_;
SSL_CTX* ctx_;
SSL* ssl_;
std::string openssl_passphrase_;
bool connecting_;
bool accepting_;
};
/// @relates session
using session_ptr = std::unique_ptr<session>;
/// @relates session
session_ptr make_session(actor_system& sys, native_socket fd,
bool from_accepted_socket);
} // namespace openssl
} // namespace caf
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