| // |
| // ssl/detail/impl/openssl_init.ipp |
| // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| // |
| // Copyright (c) 2005 Voipster / Indrek dot Juhani at voipster dot com |
| // Copyright (c) 2005-2016 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_OPENSSL_INIT_IPP |
| #define ASIO_SSL_DETAIL_IMPL_OPENSSL_INIT_IPP |
| |
| #if defined(_MSC_VER) && (_MSC_VER >= 1200) |
| # pragma once |
| #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) |
| |
| #include "asio/detail/config.hpp" |
| #include <vector> |
| #include "asio/detail/assert.hpp" |
| #include "asio/detail/mutex.hpp" |
| #include "asio/detail/tss_ptr.hpp" |
| #include "asio/ssl/detail/openssl_init.hpp" |
| #include "asio/ssl/detail/openssl_types.hpp" |
| |
| #include "asio/detail/push_options.hpp" |
| |
| namespace asio { |
| namespace ssl { |
| namespace detail { |
| |
| class openssl_init_base::do_init |
| { |
| public: |
| do_init() |
| { |
| ::SSL_library_init(); |
| ::SSL_load_error_strings(); |
| ::OpenSSL_add_all_algorithms(); |
| |
| #if (OPENSSL_VERSION_NUMBER < 0x10100000L) |
| mutexes_.resize(::CRYPTO_num_locks()); |
| for (size_t i = 0; i < mutexes_.size(); ++i) |
| mutexes_[i].reset(new asio::detail::mutex); |
| ::CRYPTO_set_locking_callback(&do_init::openssl_locking_func); |
| #endif // (OPENSSL_VERSION_NUMBER < 0x10100000L) |
| #if (OPENSSL_VERSION_NUMBER < 0x10000000L) |
| ::CRYPTO_set_id_callback(&do_init::openssl_id_func); |
| #endif // (OPENSSL_VERSION_NUMBER < 0x10000000L) |
| |
| #if !defined(SSL_OP_NO_COMPRESSION) \ |
| && (OPENSSL_VERSION_NUMBER >= 0x00908000L) |
| null_compression_methods_ = sk_SSL_COMP_new_null(); |
| #endif // !defined(SSL_OP_NO_COMPRESSION) |
| // && (OPENSSL_VERSION_NUMBER >= 0x00908000L) |
| } |
| |
| ~do_init() |
| { |
| #if !defined(SSL_OP_NO_COMPRESSION) \ |
| && (OPENSSL_VERSION_NUMBER >= 0x00908000L) |
| sk_SSL_COMP_free(null_compression_methods_); |
| #endif // !defined(SSL_OP_NO_COMPRESSION) |
| // && (OPENSSL_VERSION_NUMBER >= 0x00908000L) |
| |
| #if (OPENSSL_VERSION_NUMBER < 0x10000000L) |
| ::CRYPTO_set_id_callback(0); |
| #endif // (OPENSSL_VERSION_NUMBER < 0x10000000L) |
| #if (OPENSSL_VERSION_NUMBER < 0x10100000L) |
| ::CRYPTO_set_locking_callback(0); |
| ::ERR_free_strings(); |
| ::EVP_cleanup(); |
| ::CRYPTO_cleanup_all_ex_data(); |
| #endif // (OPENSSL_VERSION_NUMBER < 0x10100000L) |
| #if (OPENSSL_VERSION_NUMBER < 0x10000000L) |
| ::ERR_remove_state(0); |
| #elif (OPENSSL_VERSION_NUMBER < 0x10100000L) |
| ::ERR_remove_thread_state(NULL); |
| #endif // (OPENSSL_VERSION_NUMBER < 0x10000000L) |
| #if !defined(OPENSSL_IS_BORINGSSL) |
| ::CONF_modules_unload(1); |
| #endif // !defined(OPENSSL_IS_BORINGSSL) |
| #if !defined(OPENSSL_NO_ENGINE) \ |
| && (OPENSSL_VERSION_NUMBER < 0x10100000L) |
| ::ENGINE_cleanup(); |
| #endif // !defined(OPENSSL_NO_ENGINE) |
| // && (OPENSSL_VERSION_NUMBER < 0x10100000L) |
| } |
| |
| #if !defined(SSL_OP_NO_COMPRESSION) \ |
| && (OPENSSL_VERSION_NUMBER >= 0x00908000L) |
| STACK_OF(SSL_COMP)* get_null_compression_methods() const |
| { |
| return null_compression_methods_; |
| } |
| #endif // !defined(SSL_OP_NO_COMPRESSION) |
| // && (OPENSSL_VERSION_NUMBER >= 0x00908000L) |
| |
| private: |
| #if (OPENSSL_VERSION_NUMBER < 0x10000000L) |
| static unsigned long openssl_id_func() |
| { |
| #if defined(ASIO_WINDOWS) || defined(__CYGWIN__) |
| return ::GetCurrentThreadId(); |
| #else // defined(ASIO_WINDOWS) || defined(__CYGWIN__) |
| void* id = &errno; |
| ASIO_ASSERT(sizeof(unsigned long) >= sizeof(void*)); |
| return reinterpret_cast<unsigned long>(id); |
| #endif // defined(ASIO_WINDOWS) || defined(__CYGWIN__) |
| } |
| #endif // (OPENSSL_VERSION_NUMBER < 0x10000000L) |
| |
| #if (OPENSSL_VERSION_NUMBER < 0x10100000L) |
| static void openssl_locking_func(int mode, int n, |
| const char* /*file*/, int /*line*/) |
| { |
| if (mode & CRYPTO_LOCK) |
| instance()->mutexes_[n]->lock(); |
| else |
| instance()->mutexes_[n]->unlock(); |
| } |
| |
| // Mutexes to be used in locking callbacks. |
| std::vector<asio::detail::shared_ptr< |
| asio::detail::mutex> > mutexes_; |
| #endif // (OPENSSL_VERSION_NUMBER < 0x10100000L) |
| |
| #if !defined(SSL_OP_NO_COMPRESSION) \ |
| && (OPENSSL_VERSION_NUMBER >= 0x00908000L) |
| STACK_OF(SSL_COMP)* null_compression_methods_; |
| #endif // !defined(SSL_OP_NO_COMPRESSION) |
| // && (OPENSSL_VERSION_NUMBER >= 0x00908000L) |
| }; |
| |
| asio::detail::shared_ptr<openssl_init_base::do_init> |
| openssl_init_base::instance() |
| { |
| static asio::detail::shared_ptr<do_init> init(new do_init); |
| return init; |
| } |
| |
| #if !defined(SSL_OP_NO_COMPRESSION) \ |
| && (OPENSSL_VERSION_NUMBER >= 0x00908000L) |
| STACK_OF(SSL_COMP)* openssl_init_base::get_null_compression_methods() |
| { |
| return instance()->get_null_compression_methods(); |
| } |
| #endif // !defined(SSL_OP_NO_COMPRESSION) |
| // && (OPENSSL_VERSION_NUMBER >= 0x00908000L) |
| |
| } // namespace detail |
| } // namespace ssl |
| } // namespace asio |
| |
| #include "asio/detail/pop_options.hpp" |
| |
| #endif // ASIO_SSL_DETAIL_IMPL_OPENSSL_INIT_IPP |