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/**
* Copyright 2018 MongoDB Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the GNU Affero General Public License in all respects
* for all of the code used other than as permitted herein. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you do not
* wish to do so, delete this exception statement from your version. If you
* delete this exception statement from all source files in the program,
* then also delete it in the license file.
*/
#pragma once
#include <deque>
#include "asio/buffer.hpp"
#include "asio/detail/config.hpp"
#include "mongo/util/net/ssl/apple.hpp"
#include "mongo/util/net/ssl/context_apple.hpp"
#include "mongo/util/net/ssl/stream_base.hpp"
#include "asio/detail/push_options.hpp"
namespace asio {
namespace ssl {
namespace detail {
class engine {
public:
using native_handle_type = ::SSLContextRef;
enum want {
want_input_and_retry = -2,
want_output_and_retry = -1,
want_nothing = 0,
want_output = 1
};
ASIO_DECL explicit engine(context::native_handle_type context,
const std::string& remoteHostName);
ASIO_DECL native_handle_type native_handle() {
return _ssl.get();
}
ASIO_DECL want handshake(stream_base::handshake_type type, asio::error_code& ec);
ASIO_DECL want shutdown(asio::error_code& ec);
ASIO_DECL want write(const asio::const_buffer& data,
asio::error_code& ec,
std::size_t& bytes_transferred);
ASIO_DECL want read(const asio::mutable_buffer& data,
asio::error_code& ec,
std::size_t& bytes_transferred);
ASIO_DECL asio::mutable_buffer get_output(const asio::mutable_buffer& data);
ASIO_DECL asio::const_buffer put_input(const asio::const_buffer& data);
ASIO_DECL const asio::error_code& map_error_code(asio::error_code& ec) const;
private:
engine(const engine&) = delete;
engine& operator=(const engine&) = delete;
bool _initSSL(stream_base::handshake_type type, asio::error_code& ec);
static ::OSStatus read_func(::SSLConnectionRef ctx, void* data, size_t* data_len);
static ::OSStatus write_func(::SSLConnectionRef ctx, const void* data, size_t* data_len);
want wouldBlock() const;
// TLS SNI server name
std::string _remoteHostName;
apple::CFUniquePtr<native_handle_type> _ssl;
apple::CFUniquePtr<::CFArrayRef> _certs;
apple::CFUniquePtr<::CFArrayRef> _ca;
::SSLProtocol _protoMin, _protoMax;
std::deque<char> _inbuf;
std::deque<char> _outbuf;
};
} // namespace detail
} // namespace ssl
} // namespace asio
#include "asio/detail/pop_options.hpp"
#if defined(ASIO_HEADER_ONLY)
#include "mongo/util/net/ssl/detail/impl/engine_apple.ipp"
#endif // defined(ASIO_HEADER_ONLY)
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