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-rw-r--r--lib/asio/ssl/detail/impl/engine.ipp322
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diff --git a/lib/asio/ssl/detail/impl/engine.ipp b/lib/asio/ssl/detail/impl/engine.ipp
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index e60e8d6..0000000
--- a/lib/asio/ssl/detail/impl/engine.ipp
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@@ -1,322 +0,0 @@
-//
-// ssl/detail/impl/engine.ipp
-// ~~~~~~~~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2018 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)
-//
-
-#ifndef ASIO_SSL_DETAIL_IMPL_ENGINE_IPP
-#define ASIO_SSL_DETAIL_IMPL_ENGINE_IPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
-# pragma once
-#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
-#include "asio/detail/config.hpp"
-
-#include "asio/detail/throw_error.hpp"
-#include "asio/error.hpp"
-#include "asio/ssl/detail/engine.hpp"
-#include "asio/ssl/error.hpp"
-#include "asio/ssl/verify_context.hpp"
-
-#include "asio/detail/push_options.hpp"
-
-namespace asio {
-namespace ssl {
-namespace detail {
-
-engine::engine(SSL_CTX* context)
- : ssl_(::SSL_new(context))
-{
- if (!ssl_)
- {
- asio::error_code ec(
- static_cast<int>(::ERR_get_error()),
- asio::error::get_ssl_category());
- asio::detail::throw_error(ec, "engine");
- }
-
-#if (OPENSSL_VERSION_NUMBER < 0x10000000L)
- accept_mutex().init();
-#endif // (OPENSSL_VERSION_NUMBER < 0x10000000L)
-
- ::SSL_set_mode(ssl_, SSL_MODE_ENABLE_PARTIAL_WRITE);
- ::SSL_set_mode(ssl_, SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER);
-#if defined(SSL_MODE_RELEASE_BUFFERS)
- ::SSL_set_mode(ssl_, SSL_MODE_RELEASE_BUFFERS);
-#endif // defined(SSL_MODE_RELEASE_BUFFERS)
-
- ::BIO* int_bio = 0;
- ::BIO_new_bio_pair(&int_bio, 0, &ext_bio_, 0);
- ::SSL_set_bio(ssl_, int_bio, int_bio);
-}
-
-engine::~engine()
-{
- if (SSL_get_app_data(ssl_))
- {
- delete static_cast<verify_callback_base*>(SSL_get_app_data(ssl_));
- SSL_set_app_data(ssl_, 0);
- }
-
- ::BIO_free(ext_bio_);
- ::SSL_free(ssl_);
-}
-
-SSL* engine::native_handle()
-{
- return ssl_;
-}
-
-asio::error_code engine::set_verify_mode(
- verify_mode v, asio::error_code& ec)
-{
- ::SSL_set_verify(ssl_, v, ::SSL_get_verify_callback(ssl_));
-
- ec = asio::error_code();
- return ec;
-}
-
-asio::error_code engine::set_verify_depth(
- int depth, asio::error_code& ec)
-{
- ::SSL_set_verify_depth(ssl_, depth);
-
- ec = asio::error_code();
- return ec;
-}
-
-asio::error_code engine::set_verify_callback(
- verify_callback_base* callback, asio::error_code& ec)
-{
- if (SSL_get_app_data(ssl_))
- delete static_cast<verify_callback_base*>(SSL_get_app_data(ssl_));
-
- SSL_set_app_data(ssl_, callback);
-
- ::SSL_set_verify(ssl_, ::SSL_get_verify_mode(ssl_),
- &engine::verify_callback_function);
-
- ec = asio::error_code();
- return ec;
-}
-
-int engine::verify_callback_function(int preverified, X509_STORE_CTX* ctx)
-{
- if (ctx)
- {
- if (SSL* ssl = static_cast<SSL*>(
- ::X509_STORE_CTX_get_ex_data(
- ctx, ::SSL_get_ex_data_X509_STORE_CTX_idx())))
- {
- if (SSL_get_app_data(ssl))
- {
- verify_callback_base* callback =
- static_cast<verify_callback_base*>(
- SSL_get_app_data(ssl));
-
- verify_context verify_ctx(ctx);
- return callback->call(preverified != 0, verify_ctx) ? 1 : 0;
- }
- }
- }
-
- return 0;
-}
-
-engine::want engine::handshake(
- stream_base::handshake_type type, asio::error_code& ec)
-{
- return perform((type == asio::ssl::stream_base::client)
- ? &engine::do_connect : &engine::do_accept, 0, 0, ec, 0);
-}
-
-engine::want engine::shutdown(asio::error_code& ec)
-{
- return perform(&engine::do_shutdown, 0, 0, ec, 0);
-}
-
-engine::want engine::write(const asio::const_buffer& data,
- asio::error_code& ec, std::size_t& bytes_transferred)
-{
- if (data.size() == 0)
- {
- ec = asio::error_code();
- return engine::want_nothing;
- }
-
- return perform(&engine::do_write,
- const_cast<void*>(data.data()),
- data.size(), ec, &bytes_transferred);
-}
-
-engine::want engine::read(const asio::mutable_buffer& data,
- asio::error_code& ec, std::size_t& bytes_transferred)
-{
- if (data.size() == 0)
- {
- ec = asio::error_code();
- return engine::want_nothing;
- }
-
- return perform(&engine::do_read, data.data(),
- data.size(), ec, &bytes_transferred);
-}
-
-asio::mutable_buffer engine::get_output(
- const asio::mutable_buffer& data)
-{
- int length = ::BIO_read(ext_bio_,
- data.data(), static_cast<int>(data.size()));
-
- return asio::buffer(data,
- length > 0 ? static_cast<std::size_t>(length) : 0);
-}
-
-asio::const_buffer engine::put_input(
- const asio::const_buffer& data)
-{
- int length = ::BIO_write(ext_bio_,
- data.data(), static_cast<int>(data.size()));
-
- return asio::buffer(data +
- (length > 0 ? static_cast<std::size_t>(length) : 0));
-}
-
-const asio::error_code& engine::map_error_code(
- asio::error_code& ec) const
-{
- // We only want to map the error::eof code.
- if (ec != asio::error::eof)
- return ec;
-
- // If there's data yet to be read, it's an error.
- if (BIO_wpending(ext_bio_))
- {
- ec = asio::ssl::error::stream_truncated;
- return ec;
- }
-
- // SSL v2 doesn't provide a protocol-level shutdown, so an eof on the
- // underlying transport is passed through.
-#if (OPENSSL_VERSION_NUMBER < 0x10100000L)
- if (SSL_version(ssl_) == SSL2_VERSION)
- return ec;
-#endif // (OPENSSL_VERSION_NUMBER < 0x10100000L)
-
- // Otherwise, the peer should have negotiated a proper shutdown.
- if ((::SSL_get_shutdown(ssl_) & SSL_RECEIVED_SHUTDOWN) == 0)
- {
- ec = asio::ssl::error::stream_truncated;
- }
-
- return ec;
-}
-
-#if (OPENSSL_VERSION_NUMBER < 0x10000000L)
-asio::detail::static_mutex& engine::accept_mutex()
-{
- static asio::detail::static_mutex mutex = ASIO_STATIC_MUTEX_INIT;
- return mutex;
-}
-#endif // (OPENSSL_VERSION_NUMBER < 0x10000000L)
-
-engine::want engine::perform(int (engine::* op)(void*, std::size_t),
- void* data, std::size_t length, asio::error_code& ec,
- std::size_t* bytes_transferred)
-{
- std::size_t pending_output_before = ::BIO_ctrl_pending(ext_bio_);
- ::ERR_clear_error();
- int result = (this->*op)(data, length);
- int ssl_error = ::SSL_get_error(ssl_, result);
- int sys_error = static_cast<int>(::ERR_get_error());
- std::size_t pending_output_after = ::BIO_ctrl_pending(ext_bio_);
-
- if (ssl_error == SSL_ERROR_SSL)
- {
- ec = asio::error_code(sys_error,
- asio::error::get_ssl_category());
- return want_nothing;
- }
-
- if (ssl_error == SSL_ERROR_SYSCALL)
- {
- ec = asio::error_code(sys_error,
- asio::error::get_system_category());
- return want_nothing;
- }
-
- if (result > 0 && bytes_transferred)
- *bytes_transferred = static_cast<std::size_t>(result);
-
- if (ssl_error == SSL_ERROR_WANT_WRITE)
- {
- ec = asio::error_code();
- return want_output_and_retry;
- }
- else if (pending_output_after > pending_output_before)
- {
- ec = asio::error_code();
- return result > 0 ? want_output : want_output_and_retry;
- }
- else if (ssl_error == SSL_ERROR_WANT_READ)
- {
- ec = asio::error_code();
- return want_input_and_retry;
- }
- else if (::SSL_get_shutdown(ssl_) & SSL_RECEIVED_SHUTDOWN)
- {
- ec = asio::error::eof;
- return want_nothing;
- }
- else
- {
- ec = asio::error_code();
- return want_nothing;
- }
-}
-
-int engine::do_accept(void*, std::size_t)
-{
-#if (OPENSSL_VERSION_NUMBER < 0x10000000L)
- asio::detail::static_mutex::scoped_lock lock(accept_mutex());
-#endif // (OPENSSL_VERSION_NUMBER < 0x10000000L)
- return ::SSL_accept(ssl_);
-}
-
-int engine::do_connect(void*, std::size_t)
-{
- return ::SSL_connect(ssl_);
-}
-
-int engine::do_shutdown(void*, std::size_t)
-{
- int result = ::SSL_shutdown(ssl_);
- if (result == 0)
- result = ::SSL_shutdown(ssl_);
- return result;
-}
-
-int engine::do_read(void* data, std::size_t length)
-{
- return ::SSL_read(ssl_, data,
- length < INT_MAX ? static_cast<int>(length) : INT_MAX);
-}
-
-int engine::do_write(void* data, std::size_t length)
-{
- return ::SSL_write(ssl_, data,
- length < INT_MAX ? static_cast<int>(length) : INT_MAX);
-}
-
-} // namespace detail
-} // namespace ssl
-} // namespace asio
-
-#include "asio/detail/pop_options.hpp"
-
-#endif // ASIO_SSL_DETAIL_IMPL_ENGINE_IPP