144 lines
3.1 KiB
C++
144 lines
3.1 KiB
C++
//
|
|
// server.cpp
|
|
// ~~~~~~~~~~
|
|
//
|
|
// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
|
|
//
|
|
// Distributed under the Boost Software License, Version 1.0. (See accompanying
|
|
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
|
|
//
|
|
|
|
#include <cstdlib>
|
|
#include <functional>
|
|
#include <iostream>
|
|
#include <boost/asio.hpp>
|
|
#include <boost/asio/ssl.hpp>
|
|
|
|
using boost::asio::ip::tcp;
|
|
|
|
class session : public std::enable_shared_from_this<session>
|
|
{
|
|
public:
|
|
session(tcp::socket socket, boost::asio::ssl::context& context)
|
|
: socket_(std::move(socket), context)
|
|
{
|
|
}
|
|
|
|
void start()
|
|
{
|
|
do_handshake();
|
|
}
|
|
|
|
private:
|
|
void do_handshake()
|
|
{
|
|
auto self(shared_from_this());
|
|
socket_.async_handshake(boost::asio::ssl::stream_base::server,
|
|
[this, self](const boost::system::error_code& error)
|
|
{
|
|
if (!error)
|
|
{
|
|
do_read();
|
|
}
|
|
});
|
|
}
|
|
|
|
void do_read()
|
|
{
|
|
auto self(shared_from_this());
|
|
socket_.async_read_some(boost::asio::buffer(data_),
|
|
[this, self](const boost::system::error_code& ec, std::size_t length)
|
|
{
|
|
if (!ec)
|
|
{
|
|
do_write(length);
|
|
}
|
|
});
|
|
}
|
|
|
|
void do_write(std::size_t length)
|
|
{
|
|
auto self(shared_from_this());
|
|
boost::asio::async_write(socket_, boost::asio::buffer(data_, length),
|
|
[this, self](const boost::system::error_code& ec,
|
|
std::size_t /*length*/)
|
|
{
|
|
if (!ec)
|
|
{
|
|
do_read();
|
|
}
|
|
});
|
|
}
|
|
|
|
boost::asio::ssl::stream<tcp::socket> socket_;
|
|
char data_[1024];
|
|
};
|
|
|
|
class server
|
|
{
|
|
public:
|
|
server(boost::asio::io_context& io_context, unsigned short port)
|
|
: acceptor_(io_context, tcp::endpoint(tcp::v4(), port)),
|
|
context_(boost::asio::ssl::context::sslv23)
|
|
{
|
|
context_.set_options(
|
|
boost::asio::ssl::context::default_workarounds
|
|
| boost::asio::ssl::context::no_sslv2
|
|
| boost::asio::ssl::context::single_dh_use);
|
|
context_.set_password_callback(std::bind(&server::get_password, this));
|
|
context_.use_certificate_chain_file("server.pem");
|
|
context_.use_private_key_file("server.pem", boost::asio::ssl::context::pem);
|
|
context_.use_tmp_dh_file("dh2048.pem");
|
|
|
|
do_accept();
|
|
}
|
|
|
|
private:
|
|
std::string get_password() const
|
|
{
|
|
return "test";
|
|
}
|
|
|
|
void do_accept()
|
|
{
|
|
acceptor_.async_accept(
|
|
[this](const boost::system::error_code& error, tcp::socket socket)
|
|
{
|
|
if (!error)
|
|
{
|
|
std::make_shared<session>(std::move(socket), context_)->start();
|
|
}
|
|
|
|
do_accept();
|
|
});
|
|
}
|
|
|
|
tcp::acceptor acceptor_;
|
|
boost::asio::ssl::context context_;
|
|
};
|
|
|
|
int main(int argc, char* argv[])
|
|
{
|
|
try
|
|
{
|
|
if (argc != 2)
|
|
{
|
|
std::cerr << "Usage: server <port>\n";
|
|
return 1;
|
|
}
|
|
|
|
boost::asio::io_context io_context;
|
|
|
|
using namespace std; // For atoi.
|
|
server s(io_context, atoi(argv[1]));
|
|
|
|
io_context.run();
|
|
}
|
|
catch (std::exception& e)
|
|
{
|
|
std::cerr << "Exception: " << e.what() << "\n";
|
|
}
|
|
|
|
return 0;
|
|
}
|