diff options
Diffstat (limited to 'lib/asio/ssl/detail/impl/engine.ipp')
-rw-r--r-- | lib/asio/ssl/detail/impl/engine.ipp | 322 |
1 files changed, 0 insertions, 322 deletions
diff --git a/lib/asio/ssl/detail/impl/engine.ipp b/lib/asio/ssl/detail/impl/engine.ipp deleted file mode 100644 index e60e8d6..0000000 --- a/lib/asio/ssl/detail/impl/engine.ipp +++ /dev/null @@ -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 |