| // |
| // ssl/impl/context.ipp |
| // ~~~~~~~~~~~~~~~~~~~~ |
| // |
| // Copyright (c) 2005 Voipster / Indrek dot Juhani at voipster dot com |
| // Copyright (c) 2005-2011 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 BOOST_ASIO_SSL_IMPL_CONTEXT_IPP |
| #define BOOST_ASIO_SSL_IMPL_CONTEXT_IPP |
| |
| #if defined(_MSC_VER) && (_MSC_VER >= 1200) |
| # pragma once |
| #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) |
| |
| #include <boost/asio/detail/config.hpp> |
| |
| #if !defined(BOOST_ASIO_ENABLE_OLD_SSL) |
| # include <cstring> |
| # include <boost/asio/detail/throw_error.hpp> |
| # include <boost/asio/error.hpp> |
| # include <boost/asio/ssl/context.hpp> |
| # include <boost/asio/ssl/error.hpp> |
| #endif // !defined(BOOST_ASIO_ENABLE_OLD_SSL) |
| |
| #include <boost/asio/detail/push_options.hpp> |
| |
| namespace boost { |
| namespace asio { |
| namespace ssl { |
| |
| #if !defined(BOOST_ASIO_ENABLE_OLD_SSL) |
| |
| context::context(context::method m) |
| : handle_(0) |
| { |
| switch (m) |
| { |
| #if defined(OPENSSL_NO_SSL2) |
| case context::sslv2: |
| case context::sslv2_client: |
| case context::sslv2_server: |
| boost::asio::detail::throw_error( |
| boost::asio::error::invalid_argument, "context"); |
| break; |
| #else // defined(OPENSSL_NO_SSL2) |
| case context::sslv2: |
| handle_ = ::SSL_CTX_new(::SSLv2_method()); |
| break; |
| case context::sslv2_client: |
| handle_ = ::SSL_CTX_new(::SSLv2_client_method()); |
| break; |
| case context::sslv2_server: |
| handle_ = ::SSL_CTX_new(::SSLv2_server_method()); |
| break; |
| #endif // defined(OPENSSL_NO_SSL2) |
| case context::sslv3: |
| handle_ = ::SSL_CTX_new(::SSLv3_method()); |
| break; |
| case context::sslv3_client: |
| handle_ = ::SSL_CTX_new(::SSLv3_client_method()); |
| break; |
| case context::sslv3_server: |
| handle_ = ::SSL_CTX_new(::SSLv3_server_method()); |
| break; |
| case context::tlsv1: |
| handle_ = ::SSL_CTX_new(::TLSv1_method()); |
| break; |
| case context::tlsv1_client: |
| handle_ = ::SSL_CTX_new(::TLSv1_client_method()); |
| break; |
| case context::tlsv1_server: |
| handle_ = ::SSL_CTX_new(::TLSv1_server_method()); |
| break; |
| case context::sslv23: |
| handle_ = ::SSL_CTX_new(::SSLv23_method()); |
| break; |
| case context::sslv23_client: |
| handle_ = ::SSL_CTX_new(::SSLv23_client_method()); |
| break; |
| case context::sslv23_server: |
| handle_ = ::SSL_CTX_new(::SSLv23_server_method()); |
| break; |
| default: |
| handle_ = ::SSL_CTX_new(0); |
| break; |
| } |
| |
| if (handle_ == 0) |
| { |
| boost::system::error_code ec(::ERR_get_error(), |
| boost::asio::error::get_ssl_category()); |
| boost::asio::detail::throw_error(ec, "context"); |
| } |
| } |
| |
| context::context(boost::asio::io_service&, context::method m) |
| : handle_(0) |
| { |
| context tmp(m); |
| handle_ = tmp.handle_; |
| tmp.handle_ = 0; |
| } |
| |
| #if defined(BOOST_ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION) |
| context::context(context&& other) |
| { |
| handle_ = other.handle_; |
| other.handle_ = 0; |
| } |
| |
| context& context::operator=(context&& other) |
| { |
| context tmp(BOOST_ASIO_MOVE_CAST(context)(*this)); |
| handle_ = other.handle_; |
| other.handle_ = 0; |
| return *this; |
| } |
| #endif // defined(BOOST_ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION) |
| |
| context::~context() |
| { |
| if (handle_) |
| { |
| if (handle_->default_passwd_callback_userdata) |
| { |
| detail::password_callback_base* callback = |
| static_cast<detail::password_callback_base*>( |
| handle_->default_passwd_callback_userdata); |
| delete callback; |
| handle_->default_passwd_callback_userdata = 0; |
| } |
| |
| if (SSL_CTX_get_app_data(handle_)) |
| { |
| detail::verify_callback_base* callback = |
| static_cast<detail::verify_callback_base*>( |
| SSL_CTX_get_app_data(handle_)); |
| delete callback; |
| SSL_CTX_set_app_data(handle_, 0); |
| } |
| |
| ::SSL_CTX_free(handle_); |
| } |
| } |
| |
| context::native_handle_type context::native_handle() |
| { |
| return handle_; |
| } |
| |
| context::impl_type context::impl() |
| { |
| return handle_; |
| } |
| |
| void context::set_options(context::options o) |
| { |
| boost::system::error_code ec; |
| set_options(o, ec); |
| boost::asio::detail::throw_error(ec, "set_options"); |
| } |
| |
| boost::system::error_code context::set_options( |
| context::options o, boost::system::error_code& ec) |
| { |
| ::SSL_CTX_set_options(handle_, o); |
| |
| ec = boost::system::error_code(); |
| return ec; |
| } |
| |
| void context::set_verify_mode(verify_mode v) |
| { |
| boost::system::error_code ec; |
| set_verify_mode(v, ec); |
| boost::asio::detail::throw_error(ec, "set_verify_mode"); |
| } |
| |
| boost::system::error_code context::set_verify_mode( |
| verify_mode v, boost::system::error_code& ec) |
| { |
| ::SSL_CTX_set_verify(handle_, v, ::SSL_CTX_get_verify_callback(handle_)); |
| |
| ec = boost::system::error_code(); |
| return ec; |
| } |
| |
| void context::load_verify_file(const std::string& filename) |
| { |
| boost::system::error_code ec; |
| load_verify_file(filename, ec); |
| boost::asio::detail::throw_error(ec, "load_verify_file"); |
| } |
| |
| boost::system::error_code context::load_verify_file( |
| const std::string& filename, boost::system::error_code& ec) |
| { |
| if (::SSL_CTX_load_verify_locations(handle_, filename.c_str(), 0) != 1) |
| { |
| ec = boost::system::error_code(::ERR_get_error(), |
| boost::asio::error::get_ssl_category()); |
| return ec; |
| } |
| |
| ec = boost::system::error_code(); |
| return ec; |
| } |
| |
| void context::set_default_verify_paths() |
| { |
| boost::system::error_code ec; |
| set_default_verify_paths(ec); |
| boost::asio::detail::throw_error(ec, "set_default_verify_paths"); |
| } |
| |
| boost::system::error_code context::set_default_verify_paths( |
| boost::system::error_code& ec) |
| { |
| if (::SSL_CTX_set_default_verify_paths(handle_) != 1) |
| { |
| ec = boost::system::error_code(::ERR_get_error(), |
| boost::asio::error::get_ssl_category()); |
| return ec; |
| } |
| |
| ec = boost::system::error_code(); |
| return ec; |
| } |
| |
| void context::add_verify_path(const std::string& path) |
| { |
| boost::system::error_code ec; |
| add_verify_path(path, ec); |
| boost::asio::detail::throw_error(ec, "add_verify_path"); |
| } |
| |
| boost::system::error_code context::add_verify_path( |
| const std::string& path, boost::system::error_code& ec) |
| { |
| if (::SSL_CTX_load_verify_locations(handle_, 0, path.c_str()) != 1) |
| { |
| ec = boost::system::error_code(::ERR_get_error(), |
| boost::asio::error::get_ssl_category()); |
| return ec; |
| } |
| |
| ec = boost::system::error_code(); |
| return ec; |
| } |
| |
| void context::use_certificate_file( |
| const std::string& filename, file_format format) |
| { |
| boost::system::error_code ec; |
| use_certificate_file(filename, format, ec); |
| boost::asio::detail::throw_error(ec, "use_certificate_file"); |
| } |
| |
| boost::system::error_code context::use_certificate_file( |
| const std::string& filename, file_format format, |
| boost::system::error_code& ec) |
| { |
| int file_type; |
| switch (format) |
| { |
| case context_base::asn1: |
| file_type = SSL_FILETYPE_ASN1; |
| break; |
| case context_base::pem: |
| file_type = SSL_FILETYPE_PEM; |
| break; |
| default: |
| { |
| ec = boost::asio::error::invalid_argument; |
| return ec; |
| } |
| } |
| |
| if (::SSL_CTX_use_certificate_file(handle_, filename.c_str(), file_type) != 1) |
| { |
| ec = boost::system::error_code(::ERR_get_error(), |
| boost::asio::error::get_ssl_category()); |
| return ec; |
| } |
| |
| ec = boost::system::error_code(); |
| return ec; |
| } |
| |
| void context::use_certificate_chain_file(const std::string& filename) |
| { |
| boost::system::error_code ec; |
| use_certificate_chain_file(filename, ec); |
| boost::asio::detail::throw_error(ec, "use_certificate_chain_file"); |
| } |
| |
| boost::system::error_code context::use_certificate_chain_file( |
| const std::string& filename, boost::system::error_code& ec) |
| { |
| if (::SSL_CTX_use_certificate_chain_file(handle_, filename.c_str()) != 1) |
| { |
| ec = boost::system::error_code(::ERR_get_error(), |
| boost::asio::error::get_ssl_category()); |
| return ec; |
| } |
| |
| ec = boost::system::error_code(); |
| return ec; |
| } |
| |
| void context::use_private_key_file( |
| const std::string& filename, context::file_format format) |
| { |
| boost::system::error_code ec; |
| use_private_key_file(filename, format, ec); |
| boost::asio::detail::throw_error(ec, "use_private_key_file"); |
| } |
| |
| boost::system::error_code context::use_private_key_file( |
| const std::string& filename, context::file_format format, |
| boost::system::error_code& ec) |
| { |
| int file_type; |
| switch (format) |
| { |
| case context_base::asn1: |
| file_type = SSL_FILETYPE_ASN1; |
| break; |
| case context_base::pem: |
| file_type = SSL_FILETYPE_PEM; |
| break; |
| default: |
| { |
| ec = boost::asio::error::invalid_argument; |
| return ec; |
| } |
| } |
| |
| if (::SSL_CTX_use_PrivateKey_file(handle_, filename.c_str(), file_type) != 1) |
| { |
| ec = boost::system::error_code(::ERR_get_error(), |
| boost::asio::error::get_ssl_category()); |
| return ec; |
| } |
| |
| ec = boost::system::error_code(); |
| return ec; |
| } |
| |
| void context::use_rsa_private_key_file( |
| const std::string& filename, context::file_format format) |
| { |
| boost::system::error_code ec; |
| use_rsa_private_key_file(filename, format, ec); |
| boost::asio::detail::throw_error(ec, "use_rsa_private_key_file"); |
| } |
| |
| boost::system::error_code context::use_rsa_private_key_file( |
| const std::string& filename, context::file_format format, |
| boost::system::error_code& ec) |
| { |
| int file_type; |
| switch (format) |
| { |
| case context_base::asn1: |
| file_type = SSL_FILETYPE_ASN1; |
| break; |
| case context_base::pem: |
| file_type = SSL_FILETYPE_PEM; |
| break; |
| default: |
| { |
| ec = boost::asio::error::invalid_argument; |
| return ec; |
| } |
| } |
| |
| if (::SSL_CTX_use_RSAPrivateKey_file( |
| handle_, filename.c_str(), file_type) != 1) |
| { |
| ec = boost::system::error_code(::ERR_get_error(), |
| boost::asio::error::get_ssl_category()); |
| return ec; |
| } |
| |
| ec = boost::system::error_code(); |
| return ec; |
| } |
| |
| void context::use_tmp_dh_file(const std::string& filename) |
| { |
| boost::system::error_code ec; |
| use_tmp_dh_file(filename, ec); |
| boost::asio::detail::throw_error(ec, "use_tmp_dh_file"); |
| } |
| |
| boost::system::error_code context::use_tmp_dh_file( |
| const std::string& filename, boost::system::error_code& ec) |
| { |
| ::BIO* bio = ::BIO_new_file(filename.c_str(), "r"); |
| if (!bio) |
| { |
| ec = boost::asio::error::invalid_argument; |
| return ec; |
| } |
| |
| ::DH* dh = ::PEM_read_bio_DHparams(bio, 0, 0, 0); |
| if (!dh) |
| { |
| ::BIO_free(bio); |
| ec = boost::asio::error::invalid_argument; |
| return ec; |
| } |
| |
| ::BIO_free(bio); |
| int result = ::SSL_CTX_set_tmp_dh(handle_, dh); |
| ::DH_free(dh); |
| if (result != 1) |
| { |
| ec = boost::system::error_code(::ERR_get_error(), |
| boost::asio::error::get_ssl_category()); |
| return ec; |
| } |
| |
| ec = boost::system::error_code(); |
| return ec; |
| } |
| |
| boost::system::error_code context::do_set_verify_callback( |
| detail::verify_callback_base* callback, boost::system::error_code& ec) |
| { |
| if (SSL_CTX_get_app_data(handle_)) |
| { |
| delete static_cast<detail::verify_callback_base*>( |
| SSL_CTX_get_app_data(handle_)); |
| } |
| |
| SSL_CTX_set_app_data(handle_, callback); |
| |
| ::SSL_CTX_set_verify(handle_, |
| ::SSL_CTX_get_verify_mode(handle_), |
| &context::verify_callback_function); |
| |
| ec = boost::system::error_code(); |
| return ec; |
| } |
| |
| int context::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_CTX* handle = ::SSL_get_SSL_CTX(ssl)) |
| { |
| if (SSL_CTX_get_app_data(handle)) |
| { |
| detail::verify_callback_base* callback = |
| static_cast<detail::verify_callback_base*>( |
| SSL_CTX_get_app_data(handle)); |
| |
| verify_context verify_ctx(ctx); |
| return callback->call(preverified != 0, verify_ctx) ? 1 : 0; |
| } |
| } |
| } |
| } |
| |
| return 0; |
| } |
| |
| boost::system::error_code context::do_set_password_callback( |
| detail::password_callback_base* callback, boost::system::error_code& ec) |
| { |
| if (handle_->default_passwd_callback_userdata) |
| delete static_cast<detail::password_callback_base*>( |
| handle_->default_passwd_callback_userdata); |
| |
| handle_->default_passwd_callback_userdata = callback; |
| |
| SSL_CTX_set_default_passwd_cb(handle_, &context::password_callback_function); |
| |
| ec = boost::system::error_code(); |
| return ec; |
| } |
| |
| int context::password_callback_function( |
| char* buf, int size, int purpose, void* data) |
| { |
| using namespace std; // For strncat and strlen. |
| |
| if (data) |
| { |
| detail::password_callback_base* callback = |
| static_cast<detail::password_callback_base*>(data); |
| |
| std::string passwd = callback->call(static_cast<std::size_t>(size), |
| purpose ? context_base::for_writing : context_base::for_reading); |
| |
| #if BOOST_WORKAROUND(BOOST_MSVC, >= 1400) && !defined(UNDER_CE) |
| strcpy_s(buf, size, passwd.c_str()); |
| #else |
| *buf = '\0'; |
| strncat(buf, passwd.c_str(), size); |
| #endif |
| |
| return strlen(buf); |
| } |
| |
| return 0; |
| } |
| |
| #endif // !defined(BOOST_ASIO_ENABLE_OLD_SSL) |
| |
| } // namespace ssl |
| } // namespace asio |
| } // namespace boost |
| |
| #include <boost/asio/detail/pop_options.hpp> |
| |
| #endif // BOOST_ASIO_SSL_IMPL_CONTEXT_IPP |