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-rw-r--r--doc/examples/asio_tls_server.cpp310
1 files changed, 0 insertions, 310 deletions
diff --git a/doc/examples/asio_tls_server.cpp b/doc/examples/asio_tls_server.cpp
deleted file mode 100644
index 0a5aac7a3..000000000
--- a/doc/examples/asio_tls_server.cpp
+++ /dev/null
@@ -1,310 +0,0 @@
-#include <iostream>
-#include <string>
-#include <vector>
-#define _GLIBCXX_HAVE_GTHR_DEFAULT
-#include <boost/asio.hpp>
-#include <boost/bind.hpp>
-#include <boost/thread.hpp>
-#include <boost/shared_ptr.hpp>
-#include <boost/enable_shared_from_this.hpp>
-
-#include <botan/tls_server.h>
-#include <botan/x509cert.h>
-#include <botan/pkcs8.h>
-#include <botan/auto_rng.h>
-#include <botan/init.h>
-
-#include "credentials.h"
-
-using Botan::byte;
-using boost::asio::ip::tcp;
-
-class tls_server_session : public boost::enable_shared_from_this<tls_server_session>
- {
- public:
- typedef boost::shared_ptr<tls_server_session> pointer;
-
- static pointer create(boost::asio::io_service& io_service,
- Botan::TLS::Session_Manager& session_manager,
- Botan::Credentials_Manager& credentials,
- Botan::TLS::Policy& policy,
- Botan::RandomNumberGenerator& rng)
- {
- return pointer(
- new tls_server_session(
- io_service,
- session_manager,
- credentials,
- policy,
- rng)
- );
- }
-
- tcp::socket& socket() { return m_socket; }
-
- void start()
- {
- m_socket.async_read_some(
- boost::asio::buffer(m_read_buf, sizeof(m_read_buf)),
- m_strand.wrap(
- boost::bind(&tls_server_session::handle_read, shared_from_this(),
- boost::asio::placeholders::error,
- boost::asio::placeholders::bytes_transferred)));
- }
-
- void stop() { m_socket.close(); }
-
- private:
- tls_server_session(boost::asio::io_service& io_service,
- Botan::TLS::Session_Manager& session_manager,
- Botan::Credentials_Manager& credentials,
- Botan::TLS::Policy& policy,
- Botan::RandomNumberGenerator& rng) :
- m_strand(io_service),
- m_socket(io_service),
- m_tls(boost::bind(&tls_server_session::tls_output_wanted, this, _1, _2),
- boost::bind(&tls_server_session::tls_data_recv, this, _1, _2),
- boost::bind(&tls_server_session::tls_alert_cb, this, _1, _2, _3),
- boost::bind(&tls_server_session::tls_handshake_complete, this, _1),
- session_manager,
- credentials,
- policy,
- rng)
- {
- }
-
- void handle_read(const boost::system::error_code& error,
- size_t bytes_transferred)
- {
- if(!error)
- {
- try
- {
- m_tls.received_data(m_read_buf, bytes_transferred);
- }
- catch(std::exception& e)
- {
- std::cout << "Read failed " << e.what() << "\n";
- stop();
- return;
- }
-
- m_socket.async_read_some(
- boost::asio::buffer(m_read_buf, sizeof(m_read_buf)),
- m_strand.wrap(boost::bind(&tls_server_session::handle_read, shared_from_this(),
- boost::asio::placeholders::error,
- boost::asio::placeholders::bytes_transferred)));
- }
- else
- {
- stop();
- }
- }
-
- void handle_write(const boost::system::error_code& error)
- {
- if(!error)
- {
- m_write_buf.clear();
-
- // initiate another write if needed
- tls_output_wanted(NULL, 0);
- }
- else
- {
- stop();
- }
- }
-
- void tls_output_wanted(const byte buf[], size_t buf_len)
- {
- if(buf_len > 0)
- m_outbox.insert(m_outbox.end(), buf, buf + buf_len);
-
- // no write pending and have output pending
- if(m_write_buf.empty() && !m_outbox.empty())
- {
- std::swap(m_outbox, m_write_buf);
-
- boost::asio::async_write(m_socket,
- boost::asio::buffer(&m_write_buf[0], m_write_buf.size()),
- m_strand.wrap(
- boost::bind(&tls_server_session::handle_write,
- shared_from_this(),
- boost::asio::placeholders::error)));
- }
- }
-
- void tls_alert_cb(Botan::TLS::Alert alert, const byte buf[], size_t buf_len)
- {
- if(alert.type() == Botan::TLS::Alert::CLOSE_NOTIFY)
- {
- m_tls.close();
- return;
- }
- }
-
- void tls_data_recv(const byte buf[], size_t buf_len)
- {
- m_client_data.insert(m_client_data.end(), buf, buf + buf_len);
-
- if(ready_to_respond())
- write_response();
- }
-
- bool ready_to_respond()
- {
- return true; // parse headers?
- }
-
- void write_response()
- {
- std::string out;
- out += "\r\n";
- out += "HTTP/1.0 200 OK\r\n";
- out += "Server: Botan ASIO test server\r\n";
- if(m_hostname != "")
- out += "Host: " + m_hostname + "\r\n";
- out += "Content-Type: text/html\r\n";
- out += "\r\n";
- out += "<html><body>Greets. You said: ";
- out += std::string((const char*)&m_client_data[0], m_client_data.size());
- out += "</body></html>\r\n\r\n";
-
- m_tls.send(out);
- m_tls.close();
- }
-
- bool tls_handshake_complete(const Botan::TLS::Session& session)
- {
- m_hostname = session.server_info().hostname();
- return true;
- }
-
- boost::asio::io_service::strand m_strand; // serialization
-
- tcp::socket m_socket;
- Botan::TLS::Server m_tls;
- std::string m_hostname;
-
- unsigned char m_read_buf[1024];
-
- // used to hold the data currently being written by the system
- std::vector<byte> m_write_buf;
-
- // used to hold data queued for writing
- std::vector<byte> m_outbox;
-
- std::vector<byte> m_client_data;
- };
-
-class tls_server
- {
- public:
- typedef tls_server_session session;
-
- tls_server(boost::asio::io_service& io_service, unsigned short port) :
- m_acceptor(io_service, tcp::endpoint(tcp::v4(), port)),
- m_session_manager(m_rng),
- m_creds(m_rng)
- {
- session::pointer new_session = make_session();
-
- m_acceptor.async_accept(
- new_session->socket(),
- boost::bind(
- &tls_server::handle_accept,
- this,
- new_session,
- boost::asio::placeholders::error)
- );
- }
-
- private:
- session::pointer make_session()
- {
- return session::create(
- m_acceptor.get_io_service(),
- m_session_manager,
- m_creds,
- m_policy,
- m_rng
- );
- }
-
- void handle_accept(session::pointer new_session,
- const boost::system::error_code& error)
- {
- if (!error)
- {
- new_session->start();
-
- new_session = make_session();
-
- m_acceptor.async_accept(
- new_session->socket(),
- boost::bind(
- &tls_server::handle_accept,
- this,
- new_session,
- boost::asio::placeholders::error)
- );
- }
- }
-
- tcp::acceptor m_acceptor;
-
- Botan::AutoSeeded_RNG m_rng;
- Botan::TLS::Session_Manager_In_Memory m_session_manager;
- Botan::TLS::Policy m_policy;
- Credentials_Manager_Simple m_creds;
- };
-
-size_t choose_thread_count()
- {
- size_t result = boost::thread::hardware_concurrency();
-
- if(result)
- return result;
-
- return 2;
- }
-
-int main(int argc, char* argv[])
- {
- try
- {
- Botan::LibraryInitializer init("thread_safe=true");
- boost::asio::io_service io_service;
-
- unsigned short port = 4434;
- tls_server server(io_service, port);
-
- size_t num_threads = choose_thread_count();
- if(argc == 2)
- std::istringstream(argv[1]) >> num_threads;
-
- std::cout << "Using " << num_threads << " threads\n";
-
- std::vector<boost::shared_ptr<boost::thread> > threads;
-
- for(size_t i = 0; i != num_threads; ++i)
- {
- boost::shared_ptr<boost::thread> thread(
- new boost::thread(
- boost::bind(&boost::asio::io_service::run, &io_service)));
- threads.push_back(thread);
- }
-
- // Wait for all threads in the pool to exit.
- for (size_t i = 0; i < threads.size(); ++i)
- threads[i]->join();
- }
- catch (std::exception& e)
- {
- std::cerr << e.what() << std::endl;
- }
-
- return 0;
- }
-
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-16 08:32:25 +0000