170 lines
5.3 KiB
C++
170 lines
5.3 KiB
C++
//
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// ssl/detail/impl/openssl_init.ipp
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// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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//
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// Copyright (c) 2005 Voipster / Indrek dot Juhani at voipster dot com
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// Copyright (c) 2005-2023 Christopher M. Kohlhoff (chris at kohlhoff dot com)
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#ifndef ASIO_SSL_DETAIL_IMPL_OPENSSL_INIT_IPP
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#define ASIO_SSL_DETAIL_IMPL_OPENSSL_INIT_IPP
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#if defined(_MSC_VER) && (_MSC_VER >= 1200)
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# pragma once
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#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
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#include "asio/detail/config.hpp"
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#include <vector>
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#include "asio/detail/assert.hpp"
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#include "asio/detail/mutex.hpp"
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#include "asio/detail/tss_ptr.hpp"
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#include "asio/ssl/detail/openssl_init.hpp"
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#include "asio/ssl/detail/openssl_types.hpp"
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#include "asio/detail/push_options.hpp"
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namespace asio {
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namespace ssl {
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namespace detail {
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class openssl_init_base::do_init
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{
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public:
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do_init()
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{
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#if (OPENSSL_VERSION_NUMBER < 0x10100000L)
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::SSL_library_init();
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::SSL_load_error_strings();
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::OpenSSL_add_all_algorithms();
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mutexes_.resize(::CRYPTO_num_locks());
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for (size_t i = 0; i < mutexes_.size(); ++i)
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mutexes_[i].reset(new asio::detail::mutex);
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::CRYPTO_set_locking_callback(&do_init::openssl_locking_func);
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#endif // (OPENSSL_VERSION_NUMBER < 0x10100000L)
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#if (OPENSSL_VERSION_NUMBER < 0x10000000L)
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::CRYPTO_set_id_callback(&do_init::openssl_id_func);
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#endif // (OPENSSL_VERSION_NUMBER < 0x10000000L)
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#if !defined(SSL_OP_NO_COMPRESSION) \
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&& (OPENSSL_VERSION_NUMBER >= 0x00908000L)
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null_compression_methods_ = sk_SSL_COMP_new_null();
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#endif // !defined(SSL_OP_NO_COMPRESSION)
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// && (OPENSSL_VERSION_NUMBER >= 0x00908000L)
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}
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~do_init()
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{
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#if !defined(SSL_OP_NO_COMPRESSION) \
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&& (OPENSSL_VERSION_NUMBER >= 0x00908000L)
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sk_SSL_COMP_free(null_compression_methods_);
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#endif // !defined(SSL_OP_NO_COMPRESSION)
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// && (OPENSSL_VERSION_NUMBER >= 0x00908000L)
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#if (OPENSSL_VERSION_NUMBER < 0x10000000L)
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::CRYPTO_set_id_callback(0);
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#endif // (OPENSSL_VERSION_NUMBER < 0x10000000L)
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#if (OPENSSL_VERSION_NUMBER < 0x10100000L)
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::CRYPTO_set_locking_callback(0);
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::ERR_free_strings();
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::EVP_cleanup();
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::CRYPTO_cleanup_all_ex_data();
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#endif // (OPENSSL_VERSION_NUMBER < 0x10100000L)
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#if (OPENSSL_VERSION_NUMBER < 0x10000000L)
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::ERR_remove_state(0);
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#elif (OPENSSL_VERSION_NUMBER < 0x10100000L)
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::ERR_remove_thread_state(NULL);
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#endif // (OPENSSL_VERSION_NUMBER < 0x10000000L)
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#if (OPENSSL_VERSION_NUMBER >= 0x10002000L) \
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&& (OPENSSL_VERSION_NUMBER < 0x10100000L) \
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&& !defined(SSL_OP_NO_COMPRESSION)
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::SSL_COMP_free_compression_methods();
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#endif // (OPENSSL_VERSION_NUMBER >= 0x10002000L)
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// && (OPENSSL_VERSION_NUMBER < 0x10100000L)
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// && !defined(SSL_OP_NO_COMPRESSION)
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#if !defined(OPENSSL_IS_BORINGSSL) \
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&& !defined(ASIO_USE_WOLFSSL) \
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&& (OPENSSL_VERSION_NUMBER < 0x30000000L)
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::CONF_modules_unload(1);
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#endif // !defined(OPENSSL_IS_BORINGSSL)
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// && !defined(ASIO_USE_WOLFSSL)
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// && (OPENSSL_VERSION_NUMBER < 0x30000000L)
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#if !defined(OPENSSL_NO_ENGINE) \
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&& (OPENSSL_VERSION_NUMBER < 0x10100000L)
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::ENGINE_cleanup();
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#endif // !defined(OPENSSL_NO_ENGINE)
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// && (OPENSSL_VERSION_NUMBER < 0x10100000L)
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}
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#if !defined(SSL_OP_NO_COMPRESSION) \
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&& (OPENSSL_VERSION_NUMBER >= 0x00908000L)
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STACK_OF(SSL_COMP)* get_null_compression_methods() const
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{
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return null_compression_methods_;
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}
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#endif // !defined(SSL_OP_NO_COMPRESSION)
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// && (OPENSSL_VERSION_NUMBER >= 0x00908000L)
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private:
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#if (OPENSSL_VERSION_NUMBER < 0x10000000L)
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static unsigned long openssl_id_func()
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{
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#if defined(ASIO_WINDOWS) || defined(__CYGWIN__)
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return ::GetCurrentThreadId();
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#else // defined(ASIO_WINDOWS) || defined(__CYGWIN__)
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void* id = &errno;
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ASIO_ASSERT(sizeof(unsigned long) >= sizeof(void*));
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return reinterpret_cast<unsigned long>(id);
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#endif // defined(ASIO_WINDOWS) || defined(__CYGWIN__)
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}
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#endif // (OPENSSL_VERSION_NUMBER < 0x10000000L)
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#if (OPENSSL_VERSION_NUMBER < 0x10100000L)
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static void openssl_locking_func(int mode, int n,
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const char* /*file*/, int /*line*/)
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{
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if (mode & CRYPTO_LOCK)
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instance()->mutexes_[n]->lock();
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else
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instance()->mutexes_[n]->unlock();
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}
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// Mutexes to be used in locking callbacks.
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std::vector<asio::detail::shared_ptr<
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asio::detail::mutex> > mutexes_;
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#endif // (OPENSSL_VERSION_NUMBER < 0x10100000L)
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#if !defined(SSL_OP_NO_COMPRESSION) \
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&& (OPENSSL_VERSION_NUMBER >= 0x00908000L)
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STACK_OF(SSL_COMP)* null_compression_methods_;
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#endif // !defined(SSL_OP_NO_COMPRESSION)
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// && (OPENSSL_VERSION_NUMBER >= 0x00908000L)
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};
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asio::detail::shared_ptr<openssl_init_base::do_init>
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openssl_init_base::instance()
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{
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static asio::detail::shared_ptr<do_init> init(new do_init);
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return init;
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}
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#if !defined(SSL_OP_NO_COMPRESSION) \
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&& (OPENSSL_VERSION_NUMBER >= 0x00908000L)
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STACK_OF(SSL_COMP)* openssl_init_base::get_null_compression_methods()
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{
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return instance()->get_null_compression_methods();
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}
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#endif // !defined(SSL_OP_NO_COMPRESSION)
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// && (OPENSSL_VERSION_NUMBER >= 0x00908000L)
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} // namespace detail
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} // namespace ssl
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} // namespace asio
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#include "asio/detail/pop_options.hpp"
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#endif // ASIO_SSL_DETAIL_IMPL_OPENSSL_INIT_IPP
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