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-rw-r--r--lib/asio/ssl/impl/context.ipp1159
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diff --git a/lib/asio/ssl/impl/context.ipp b/lib/asio/ssl/impl/context.ipp
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+//
+// ssl/impl/context.ipp
+// ~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2005 Voipster / Indrek dot Juhani at voipster dot com
+// Copyright (c) 2005-2018 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_IMPL_CONTEXT_IPP
+#define ASIO_SSL_IMPL_CONTEXT_IPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+
+#include <cstring>
+#include "asio/detail/throw_error.hpp"
+#include "asio/error.hpp"
+#include "asio/ssl/context.hpp"
+#include "asio/ssl/error.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace ssl {
+
+struct context::bio_cleanup
+{
+ BIO* p;
+ ~bio_cleanup() { if (p) ::BIO_free(p); }
+};
+
+struct context::x509_cleanup
+{
+ X509* p;
+ ~x509_cleanup() { if (p) ::X509_free(p); }
+};
+
+struct context::evp_pkey_cleanup
+{
+ EVP_PKEY* p;
+ ~evp_pkey_cleanup() { if (p) ::EVP_PKEY_free(p); }
+};
+
+struct context::rsa_cleanup
+{
+ RSA* p;
+ ~rsa_cleanup() { if (p) ::RSA_free(p); }
+};
+
+struct context::dh_cleanup
+{
+ DH* p;
+ ~dh_cleanup() { if (p) ::DH_free(p); }
+};
+
+context::context(context::method m)
+ : handle_(0)
+{
+ ::ERR_clear_error();
+
+ switch (m)
+ {
+ // SSL v2.
+#if (OPENSSL_VERSION_NUMBER >= 0x10100000L) || defined(OPENSSL_NO_SSL2)
+ case context::sslv2:
+ case context::sslv2_client:
+ case context::sslv2_server:
+ asio::detail::throw_error(
+ asio::error::invalid_argument, "context");
+ break;
+#else // (OPENSSL_VERSION_NUMBER >= 0x10100000L) || 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 // (OPENSSL_VERSION_NUMBER >= 0x10100000L) || defined(OPENSSL_NO_SSL2)
+
+ // SSL v3.
+#if (OPENSSL_VERSION_NUMBER >= 0x10100000L) && !defined(LIBRESSL_VERSION_NUMBER)
+ case context::sslv3:
+ handle_ = ::SSL_CTX_new(::TLS_method());
+ if (handle_)
+ {
+ SSL_CTX_set_min_proto_version(handle_, SSL3_VERSION);
+ SSL_CTX_set_max_proto_version(handle_, SSL3_VERSION);
+ }
+ break;
+ case context::sslv3_client:
+ handle_ = ::SSL_CTX_new(::TLS_client_method());
+ if (handle_)
+ {
+ SSL_CTX_set_min_proto_version(handle_, SSL3_VERSION);
+ SSL_CTX_set_max_proto_version(handle_, SSL3_VERSION);
+ }
+ break;
+ case context::sslv3_server:
+ handle_ = ::SSL_CTX_new(::TLS_server_method());
+ if (handle_)
+ {
+ SSL_CTX_set_min_proto_version(handle_, SSL3_VERSION);
+ SSL_CTX_set_max_proto_version(handle_, SSL3_VERSION);
+ }
+ break;
+#elif defined(OPENSSL_NO_SSL3)
+ case context::sslv3:
+ case context::sslv3_client:
+ case context::sslv3_server:
+ asio::detail::throw_error(
+ asio::error::invalid_argument, "context");
+ break;
+#else // defined(OPENSSL_NO_SSL3)
+ 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;
+#endif // defined(OPENSSL_NO_SSL3)
+
+ // TLS v1.0.
+#if (OPENSSL_VERSION_NUMBER >= 0x10100000L) && !defined(LIBRESSL_VERSION_NUMBER)
+ case context::tlsv1:
+ handle_ = ::SSL_CTX_new(::TLS_method());
+ if (handle_)
+ {
+ SSL_CTX_set_min_proto_version(handle_, TLS1_VERSION);
+ SSL_CTX_set_max_proto_version(handle_, TLS1_VERSION);
+ }
+ break;
+ case context::tlsv1_client:
+ handle_ = ::SSL_CTX_new(::TLS_client_method());
+ if (handle_)
+ {
+ SSL_CTX_set_min_proto_version(handle_, TLS1_VERSION);
+ SSL_CTX_set_max_proto_version(handle_, TLS1_VERSION);
+ }
+ break;
+ case context::tlsv1_server:
+ handle_ = ::SSL_CTX_new(::TLS_server_method());
+ if (handle_)
+ {
+ SSL_CTX_set_min_proto_version(handle_, TLS1_VERSION);
+ SSL_CTX_set_max_proto_version(handle_, TLS1_VERSION);
+ }
+ break;
+#else // (OPENSSL_VERSION_NUMBER >= 0x10100000L)
+ 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;
+#endif // (OPENSSL_VERSION_NUMBER >= 0x10100000L)
+
+ // TLS v1.1.
+#if (OPENSSL_VERSION_NUMBER >= 0x10100000L) && !defined(LIBRESSL_VERSION_NUMBER)
+ case context::tlsv11:
+ handle_ = ::SSL_CTX_new(::TLS_method());
+ if (handle_)
+ {
+ SSL_CTX_set_min_proto_version(handle_, TLS1_1_VERSION);
+ SSL_CTX_set_max_proto_version(handle_, TLS1_1_VERSION);
+ }
+ break;
+ case context::tlsv11_client:
+ handle_ = ::SSL_CTX_new(::TLS_client_method());
+ if (handle_)
+ {
+ SSL_CTX_set_min_proto_version(handle_, TLS1_1_VERSION);
+ SSL_CTX_set_max_proto_version(handle_, TLS1_1_VERSION);
+ }
+ break;
+ case context::tlsv11_server:
+ handle_ = ::SSL_CTX_new(::TLS_server_method());
+ if (handle_)
+ {
+ SSL_CTX_set_min_proto_version(handle_, TLS1_1_VERSION);
+ SSL_CTX_set_max_proto_version(handle_, TLS1_1_VERSION);
+ }
+ break;
+#elif defined(SSL_TXT_TLSV1_1)
+ case context::tlsv11:
+ handle_ = ::SSL_CTX_new(::TLSv1_1_method());
+ break;
+ case context::tlsv11_client:
+ handle_ = ::SSL_CTX_new(::TLSv1_1_client_method());
+ break;
+ case context::tlsv11_server:
+ handle_ = ::SSL_CTX_new(::TLSv1_1_server_method());
+ break;
+#else // defined(SSL_TXT_TLSV1_1)
+ case context::tlsv11:
+ case context::tlsv11_client:
+ case context::tlsv11_server:
+ asio::detail::throw_error(
+ asio::error::invalid_argument, "context");
+ break;
+#endif // defined(SSL_TXT_TLSV1_1)
+
+ // TLS v1.2.
+#if (OPENSSL_VERSION_NUMBER >= 0x10100000L) && !defined(LIBRESSL_VERSION_NUMBER)
+ case context::tlsv12:
+ handle_ = ::SSL_CTX_new(::TLS_method());
+ if (handle_)
+ {
+ SSL_CTX_set_min_proto_version(handle_, TLS1_2_VERSION);
+ SSL_CTX_set_max_proto_version(handle_, TLS1_2_VERSION);
+ }
+ break;
+ case context::tlsv12_client:
+ handle_ = ::SSL_CTX_new(::TLS_client_method());
+ if (handle_)
+ {
+ SSL_CTX_set_min_proto_version(handle_, TLS1_2_VERSION);
+ SSL_CTX_set_max_proto_version(handle_, TLS1_2_VERSION);
+ }
+ break;
+ case context::tlsv12_server:
+ handle_ = ::SSL_CTX_new(::TLS_server_method());
+ if (handle_)
+ {
+ SSL_CTX_set_min_proto_version(handle_, TLS1_2_VERSION);
+ SSL_CTX_set_max_proto_version(handle_, TLS1_2_VERSION);
+ }
+ break;
+#elif defined(SSL_TXT_TLSV1_1)
+ case context::tlsv12:
+ handle_ = ::SSL_CTX_new(::TLSv1_2_method());
+ break;
+ case context::tlsv12_client:
+ handle_ = ::SSL_CTX_new(::TLSv1_2_client_method());
+ break;
+ case context::tlsv12_server:
+ handle_ = ::SSL_CTX_new(::TLSv1_2_server_method());
+ break;
+#else // defined(SSL_TXT_TLSV1_1)
+ case context::tlsv12:
+ case context::tlsv12_client:
+ case context::tlsv12_server:
+ asio::detail::throw_error(
+ asio::error::invalid_argument, "context");
+ break;
+#endif // defined(SSL_TXT_TLSV1_1)
+
+ // Any supported SSL/TLS version.
+ 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;
+
+ // Any supported TLS version.
+#if (OPENSSL_VERSION_NUMBER >= 0x10100000L) && !defined(LIBRESSL_VERSION_NUMBER)
+ case context::tls:
+ handle_ = ::SSL_CTX_new(::TLS_method());
+ if (handle_)
+ SSL_CTX_set_min_proto_version(handle_, TLS1_VERSION);
+ break;
+ case context::tls_client:
+ handle_ = ::SSL_CTX_new(::TLS_client_method());
+ if (handle_)
+ SSL_CTX_set_min_proto_version(handle_, TLS1_VERSION);
+ break;
+ case context::tls_server:
+ handle_ = ::SSL_CTX_new(::TLS_server_method());
+ if (handle_)
+ SSL_CTX_set_min_proto_version(handle_, TLS1_VERSION);
+ break;
+#else // (OPENSSL_VERSION_NUMBER >= 0x10100000L)
+ case context::tls:
+ handle_ = ::SSL_CTX_new(::SSLv23_method());
+ if (handle_)
+ SSL_CTX_set_options(handle_, SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3);
+ break;
+ case context::tls_client:
+ handle_ = ::SSL_CTX_new(::SSLv23_client_method());
+ if (handle_)
+ SSL_CTX_set_options(handle_, SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3);
+ break;
+ case context::tls_server:
+ handle_ = ::SSL_CTX_new(::SSLv23_server_method());
+ if (handle_)
+ SSL_CTX_set_options(handle_, SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3);
+ break;
+#endif // (OPENSSL_VERSION_NUMBER >= 0x10100000L)
+
+ default:
+ handle_ = ::SSL_CTX_new(0);
+ break;
+ }
+
+ if (handle_ == 0)
+ {
+ asio::error_code ec(
+ static_cast<int>(::ERR_get_error()),
+ asio::error::get_ssl_category());
+ asio::detail::throw_error(ec, "context");
+ }
+
+ set_options(no_compression);
+}
+
+#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
+context::context(context&& other)
+{
+ handle_ = other.handle_;
+ other.handle_ = 0;
+}
+
+context& context::operator=(context&& other)
+{
+ context tmp(ASIO_MOVE_CAST(context)(*this));
+ handle_ = other.handle_;
+ other.handle_ = 0;
+ return *this;
+}
+#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
+
+context::~context()
+{
+ if (handle_)
+ {
+#if (OPENSSL_VERSION_NUMBER >= 0x10100000L) && !defined(LIBRESSL_VERSION_NUMBER)
+ void* cb_userdata = ::SSL_CTX_get_default_passwd_cb_userdata(handle_);
+#else // (OPENSSL_VERSION_NUMBER >= 0x10100000L)
+ void* cb_userdata = handle_->default_passwd_callback_userdata;
+#endif // (OPENSSL_VERSION_NUMBER >= 0x10100000L)
+ if (cb_userdata)
+ {
+ detail::password_callback_base* callback =
+ static_cast<detail::password_callback_base*>(
+ cb_userdata);
+ delete callback;
+#if (OPENSSL_VERSION_NUMBER >= 0x10100000L) && !defined(LIBRESSL_VERSION_NUMBER)
+ ::SSL_CTX_set_default_passwd_cb_userdata(handle_, 0);
+#else // (OPENSSL_VERSION_NUMBER >= 0x10100000L)
+ handle_->default_passwd_callback_userdata = 0;
+#endif // (OPENSSL_VERSION_NUMBER >= 0x10100000L)
+ }
+
+ 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_;
+}
+
+void context::clear_options(context::options o)
+{
+ asio::error_code ec;
+ clear_options(o, ec);
+ asio::detail::throw_error(ec, "clear_options");
+}
+
+ASIO_SYNC_OP_VOID context::clear_options(
+ context::options o, asio::error_code& ec)
+{
+#if (OPENSSL_VERSION_NUMBER >= 0x009080DFL) \
+ && (OPENSSL_VERSION_NUMBER != 0x00909000L)
+# if !defined(SSL_OP_NO_COMPRESSION)
+ if ((o & context::no_compression) != 0)
+ {
+# if (OPENSSL_VERSION_NUMBER >= 0x00908000L)
+ handle_->comp_methods = SSL_COMP_get_compression_methods();
+# endif // (OPENSSL_VERSION_NUMBER >= 0x00908000L)
+ o ^= context::no_compression;
+ }
+# endif // !defined(SSL_OP_NO_COMPRESSION)
+
+ ::SSL_CTX_clear_options(handle_, o);
+
+ ec = asio::error_code();
+#else // (OPENSSL_VERSION_NUMBER >= 0x009080DFL)
+ // && (OPENSSL_VERSION_NUMBER != 0x00909000L)
+ (void)o;
+ ec = asio::error::operation_not_supported;
+#endif // (OPENSSL_VERSION_NUMBER >= 0x009080DFL)
+ // && (OPENSSL_VERSION_NUMBER != 0x00909000L)
+ ASIO_SYNC_OP_VOID_RETURN(ec);
+}
+
+void context::set_options(context::options o)
+{
+ asio::error_code ec;
+ set_options(o, ec);
+ asio::detail::throw_error(ec, "set_options");
+}
+
+ASIO_SYNC_OP_VOID context::set_options(
+ context::options o, asio::error_code& ec)
+{
+#if !defined(SSL_OP_NO_COMPRESSION)
+ if ((o & context::no_compression) != 0)
+ {
+#if (OPENSSL_VERSION_NUMBER >= 0x00908000L)
+ handle_->comp_methods =
+ asio::ssl::detail::openssl_init<>::get_null_compression_methods();
+#endif // (OPENSSL_VERSION_NUMBER >= 0x00908000L)
+ o ^= context::no_compression;
+ }
+#endif // !defined(SSL_OP_NO_COMPRESSION)
+
+ ::SSL_CTX_set_options(handle_, o);
+
+ ec = asio::error_code();
+ ASIO_SYNC_OP_VOID_RETURN(ec);
+}
+
+void context::set_verify_mode(verify_mode v)
+{
+ asio::error_code ec;
+ set_verify_mode(v, ec);
+ asio::detail::throw_error(ec, "set_verify_mode");
+}
+
+ASIO_SYNC_OP_VOID context::set_verify_mode(
+ verify_mode v, asio::error_code& ec)
+{
+ ::SSL_CTX_set_verify(handle_, v, ::SSL_CTX_get_verify_callback(handle_));
+
+ ec = asio::error_code();
+ ASIO_SYNC_OP_VOID_RETURN(ec);
+}
+
+void context::set_verify_depth(int depth)
+{
+ asio::error_code ec;
+ set_verify_depth(depth, ec);
+ asio::detail::throw_error(ec, "set_verify_depth");
+}
+
+ASIO_SYNC_OP_VOID context::set_verify_depth(
+ int depth, asio::error_code& ec)
+{
+ ::SSL_CTX_set_verify_depth(handle_, depth);
+
+ ec = asio::error_code();
+ ASIO_SYNC_OP_VOID_RETURN(ec);
+}
+
+void context::load_verify_file(const std::string& filename)
+{
+ asio::error_code ec;
+ load_verify_file(filename, ec);
+ asio::detail::throw_error(ec, "load_verify_file");
+}
+
+ASIO_SYNC_OP_VOID context::load_verify_file(
+ const std::string& filename, asio::error_code& ec)
+{
+ ::ERR_clear_error();
+
+ if (::SSL_CTX_load_verify_locations(handle_, filename.c_str(), 0) != 1)
+ {
+ ec = asio::error_code(
+ static_cast<int>(::ERR_get_error()),
+ asio::error::get_ssl_category());
+ ASIO_SYNC_OP_VOID_RETURN(ec);
+ }
+
+ ec = asio::error_code();
+ ASIO_SYNC_OP_VOID_RETURN(ec);
+}
+
+void context::add_certificate_authority(const const_buffer& ca)
+{
+ asio::error_code ec;
+ add_certificate_authority(ca, ec);
+ asio::detail::throw_error(ec, "add_certificate_authority");
+}
+
+ASIO_SYNC_OP_VOID context::add_certificate_authority(
+ const const_buffer& ca, asio::error_code& ec)
+{
+ ::ERR_clear_error();
+
+ bio_cleanup bio = { make_buffer_bio(ca) };
+ if (bio.p)
+ {
+ if (X509_STORE* store = ::SSL_CTX_get_cert_store(handle_))
+ {
+ for (;;)
+ {
+ x509_cleanup cert = { ::PEM_read_bio_X509(bio.p, 0, 0, 0) };
+ if (!cert.p)
+ break;
+
+ if (::X509_STORE_add_cert(store, cert.p) != 1)
+ {
+ ec = asio::error_code(
+ static_cast<int>(::ERR_get_error()),
+ asio::error::get_ssl_category());
+ ASIO_SYNC_OP_VOID_RETURN(ec);
+ }
+ }
+ }
+ }
+
+ ec = asio::error_code();
+ ASIO_SYNC_OP_VOID_RETURN(ec);
+}
+
+void context::set_default_verify_paths()
+{
+ asio::error_code ec;
+ set_default_verify_paths(ec);
+ asio::detail::throw_error(ec, "set_default_verify_paths");
+}
+
+ASIO_SYNC_OP_VOID context::set_default_verify_paths(
+ asio::error_code& ec)
+{
+ ::ERR_clear_error();
+
+ if (::SSL_CTX_set_default_verify_paths(handle_) != 1)
+ {
+ ec = asio::error_code(
+ static_cast<int>(::ERR_get_error()),
+ asio::error::get_ssl_category());
+ ASIO_SYNC_OP_VOID_RETURN(ec);
+ }
+
+ ec = asio::error_code();
+ ASIO_SYNC_OP_VOID_RETURN(ec);
+}
+
+void context::add_verify_path(const std::string& path)
+{
+ asio::error_code ec;
+ add_verify_path(path, ec);
+ asio::detail::throw_error(ec, "add_verify_path");
+}
+
+ASIO_SYNC_OP_VOID context::add_verify_path(
+ const std::string& path, asio::error_code& ec)
+{
+ ::ERR_clear_error();
+
+ if (::SSL_CTX_load_verify_locations(handle_, 0, path.c_str()) != 1)
+ {
+ ec = asio::error_code(
+ static_cast<int>(::ERR_get_error()),
+ asio::error::get_ssl_category());
+ ASIO_SYNC_OP_VOID_RETURN(ec);
+ }
+
+ ec = asio::error_code();
+ ASIO_SYNC_OP_VOID_RETURN(ec);
+}
+
+void context::use_certificate(
+ const const_buffer& certificate, file_format format)
+{
+ asio::error_code ec;
+ use_certificate(certificate, format, ec);
+ asio::detail::throw_error(ec, "use_certificate");
+}
+
+ASIO_SYNC_OP_VOID context::use_certificate(
+ const const_buffer& certificate, file_format format,
+ asio::error_code& ec)
+{
+ ::ERR_clear_error();
+
+ if (format == context_base::asn1)
+ {
+ if (::SSL_CTX_use_certificate_ASN1(handle_,
+ static_cast<int>(certificate.size()),
+ static_cast<const unsigned char*>(certificate.data())) == 1)
+ {
+ ec = asio::error_code();
+ ASIO_SYNC_OP_VOID_RETURN(ec);
+ }
+ }
+ else if (format == context_base::pem)
+ {
+ bio_cleanup bio = { make_buffer_bio(certificate) };
+ if (bio.p)
+ {
+ x509_cleanup cert = { ::PEM_read_bio_X509(bio.p, 0, 0, 0) };
+ if (cert.p)
+ {
+ if (::SSL_CTX_use_certificate(handle_, cert.p) == 1)
+ {
+ ec = asio::error_code();
+ ASIO_SYNC_OP_VOID_RETURN(ec);
+ }
+ }
+ }
+ }
+ else
+ {
+ ec = asio::error::invalid_argument;
+ ASIO_SYNC_OP_VOID_RETURN(ec);
+ }
+
+ ec = asio::error_code(
+ static_cast<int>(::ERR_get_error()),
+ asio::error::get_ssl_category());
+ ASIO_SYNC_OP_VOID_RETURN(ec);
+}
+
+void context::use_certificate_file(
+ const std::string& filename, file_format format)
+{
+ asio::error_code ec;
+ use_certificate_file(filename, format, ec);
+ asio::detail::throw_error(ec, "use_certificate_file");
+}
+
+ASIO_SYNC_OP_VOID context::use_certificate_file(
+ const std::string& filename, file_format format,
+ asio::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 = asio::error::invalid_argument;
+ ASIO_SYNC_OP_VOID_RETURN(ec);
+ }
+ }
+
+ ::ERR_clear_error();
+
+ if (::SSL_CTX_use_certificate_file(handle_, filename.c_str(), file_type) != 1)
+ {
+ ec = asio::error_code(
+ static_cast<int>(::ERR_get_error()),
+ asio::error::get_ssl_category());
+ ASIO_SYNC_OP_VOID_RETURN(ec);
+ }
+
+ ec = asio::error_code();
+ ASIO_SYNC_OP_VOID_RETURN(ec);
+}
+
+void context::use_certificate_chain(const const_buffer& chain)
+{
+ asio::error_code ec;
+ use_certificate_chain(chain, ec);
+ asio::detail::throw_error(ec, "use_certificate_chain");
+}
+
+ASIO_SYNC_OP_VOID context::use_certificate_chain(
+ const const_buffer& chain, asio::error_code& ec)
+{
+ ::ERR_clear_error();
+
+ bio_cleanup bio = { make_buffer_bio(chain) };
+ if (bio.p)
+ {
+#if (OPENSSL_VERSION_NUMBER >= 0x10100000L) && !defined(LIBRESSL_VERSION_NUMBER)
+ pem_password_cb* callback = ::SSL_CTX_get_default_passwd_cb(handle_);
+ void* cb_userdata = ::SSL_CTX_get_default_passwd_cb_userdata(handle_);
+#else // (OPENSSL_VERSION_NUMBER >= 0x10100000L)
+ pem_password_cb* callback = handle_->default_passwd_callback;
+ void* cb_userdata = handle_->default_passwd_callback_userdata;
+#endif // (OPENSSL_VERSION_NUMBER >= 0x10100000L)
+ x509_cleanup cert = {
+ ::PEM_read_bio_X509_AUX(bio.p, 0,
+ callback,
+ cb_userdata) };
+ if (!cert.p)
+ {
+ ec = asio::error_code(ERR_R_PEM_LIB,
+ asio::error::get_ssl_category());
+ ASIO_SYNC_OP_VOID_RETURN(ec);
+ }
+
+ int result = ::SSL_CTX_use_certificate(handle_, cert.p);
+ if (result == 0 || ::ERR_peek_error() != 0)
+ {
+ ec = asio::error_code(
+ static_cast<int>(::ERR_get_error()),
+ asio::error::get_ssl_category());
+ ASIO_SYNC_OP_VOID_RETURN(ec);
+ }
+
+#if (OPENSSL_VERSION_NUMBER >= 0x10002000L) && !defined(LIBRESSL_VERSION_NUMBER)
+ ::SSL_CTX_clear_chain_certs(handle_);
+#else
+ if (handle_->extra_certs)
+ {
+ ::sk_X509_pop_free(handle_->extra_certs, X509_free);
+ handle_->extra_certs = 0;
+ }
+#endif // (OPENSSL_VERSION_NUMBER >= 0x10002000L)
+
+ while (X509* cacert = ::PEM_read_bio_X509(bio.p, 0,
+ callback,
+ cb_userdata))
+ {
+ if (!::SSL_CTX_add_extra_chain_cert(handle_, cacert))
+ {
+ ec = asio::error_code(
+ static_cast<int>(::ERR_get_error()),
+ asio::error::get_ssl_category());
+ ASIO_SYNC_OP_VOID_RETURN(ec);
+ }
+ }
+
+ result = ::ERR_peek_last_error();
+ if ((ERR_GET_LIB(result) == ERR_LIB_PEM)
+ && (ERR_GET_REASON(result) == PEM_R_NO_START_LINE))
+ {
+ ::ERR_clear_error();
+ ec = asio::error_code();
+ ASIO_SYNC_OP_VOID_RETURN(ec);
+ }
+ }
+
+ ec = asio::error_code(
+ static_cast<int>(::ERR_get_error()),
+ asio::error::get_ssl_category());
+ ASIO_SYNC_OP_VOID_RETURN(ec);
+}
+
+void context::use_certificate_chain_file(const std::string& filename)
+{
+ asio::error_code ec;
+ use_certificate_chain_file(filename, ec);
+ asio::detail::throw_error(ec, "use_certificate_chain_file");
+}
+
+ASIO_SYNC_OP_VOID context::use_certificate_chain_file(
+ const std::string& filename, asio::error_code& ec)
+{
+ ::ERR_clear_error();
+
+ if (::SSL_CTX_use_certificate_chain_file(handle_, filename.c_str()) != 1)
+ {
+ ec = asio::error_code(
+ static_cast<int>(::ERR_get_error()),
+ asio::error::get_ssl_category());
+ ASIO_SYNC_OP_VOID_RETURN(ec);
+ }
+
+ ec = asio::error_code();
+ ASIO_SYNC_OP_VOID_RETURN(ec);
+}
+
+void context::use_private_key(
+ const const_buffer& private_key, context::file_format format)
+{
+ asio::error_code ec;
+ use_private_key(private_key, format, ec);
+ asio::detail::throw_error(ec, "use_private_key");
+}
+
+ASIO_SYNC_OP_VOID context::use_private_key(
+ const const_buffer& private_key, context::file_format format,
+ asio::error_code& ec)
+{
+ ::ERR_clear_error();
+
+#if (OPENSSL_VERSION_NUMBER >= 0x10100000L) && !defined(LIBRESSL_VERSION_NUMBER)
+ pem_password_cb* callback = ::SSL_CTX_get_default_passwd_cb(handle_);
+ void* cb_userdata = ::SSL_CTX_get_default_passwd_cb_userdata(handle_);
+#else // (OPENSSL_VERSION_NUMBER >= 0x10100000L)
+ pem_password_cb* callback = handle_->default_passwd_callback;
+ void* cb_userdata = handle_->default_passwd_callback_userdata;
+#endif // (OPENSSL_VERSION_NUMBER >= 0x10100000L)
+
+ bio_cleanup bio = { make_buffer_bio(private_key) };
+ if (bio.p)
+ {
+ evp_pkey_cleanup evp_private_key = { 0 };
+ switch (format)
+ {
+ case context_base::asn1:
+ evp_private_key.p = ::d2i_PrivateKey_bio(bio.p, 0);
+ break;
+ case context_base::pem:
+ evp_private_key.p = ::PEM_read_bio_PrivateKey(
+ bio.p, 0, callback,
+ cb_userdata);
+ break;
+ default:
+ {
+ ec = asio::error::invalid_argument;
+ ASIO_SYNC_OP_VOID_RETURN(ec);
+ }
+ }
+
+ if (evp_private_key.p)
+ {
+ if (::SSL_CTX_use_PrivateKey(handle_, evp_private_key.p) == 1)
+ {
+ ec = asio::error_code();
+ ASIO_SYNC_OP_VOID_RETURN(ec);
+ }
+ }
+ }
+
+ ec = asio::error_code(
+ static_cast<int>(::ERR_get_error()),
+ asio::error::get_ssl_category());
+ ASIO_SYNC_OP_VOID_RETURN(ec);
+}
+
+void context::use_private_key_file(
+ const std::string& filename, context::file_format format)
+{
+ asio::error_code ec;
+ use_private_key_file(filename, format, ec);
+ asio::detail::throw_error(ec, "use_private_key_file");
+}
+
+void context::use_rsa_private_key(
+ const const_buffer& private_key, context::file_format format)
+{
+ asio::error_code ec;
+ use_rsa_private_key(private_key, format, ec);
+ asio::detail::throw_error(ec, "use_rsa_private_key");
+}
+
+ASIO_SYNC_OP_VOID context::use_rsa_private_key(
+ const const_buffer& private_key, context::file_format format,
+ asio::error_code& ec)
+{
+ ::ERR_clear_error();
+
+#if (OPENSSL_VERSION_NUMBER >= 0x10100000L) && !defined(LIBRESSL_VERSION_NUMBER)
+ pem_password_cb* callback = ::SSL_CTX_get_default_passwd_cb(handle_);
+ void* cb_userdata = ::SSL_CTX_get_default_passwd_cb_userdata(handle_);
+#else // (OPENSSL_VERSION_NUMBER >= 0x10100000L)
+ pem_password_cb* callback = handle_->default_passwd_callback;
+ void* cb_userdata = handle_->default_passwd_callback_userdata;
+#endif // (OPENSSL_VERSION_NUMBER >= 0x10100000L)
+
+ bio_cleanup bio = { make_buffer_bio(private_key) };
+ if (bio.p)
+ {
+ rsa_cleanup rsa_private_key = { 0 };
+ switch (format)
+ {
+ case context_base::asn1:
+ rsa_private_key.p = ::d2i_RSAPrivateKey_bio(bio.p, 0);
+ break;
+ case context_base::pem:
+ rsa_private_key.p = ::PEM_read_bio_RSAPrivateKey(
+ bio.p, 0, callback,
+ cb_userdata);
+ break;
+ default:
+ {
+ ec = asio::error::invalid_argument;
+ ASIO_SYNC_OP_VOID_RETURN(ec);
+ }
+ }
+
+ if (rsa_private_key.p)
+ {
+ if (::SSL_CTX_use_RSAPrivateKey(handle_, rsa_private_key.p) == 1)
+ {
+ ec = asio::error_code();
+ ASIO_SYNC_OP_VOID_RETURN(ec);
+ }
+ }
+ }
+
+ ec = asio::error_code(
+ static_cast<int>(::ERR_get_error()),
+ asio::error::get_ssl_category());
+ ASIO_SYNC_OP_VOID_RETURN(ec);
+}
+
+ASIO_SYNC_OP_VOID context::use_private_key_file(
+ const std::string& filename, context::file_format format,
+ asio::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 = asio::error::invalid_argument;
+ ASIO_SYNC_OP_VOID_RETURN(ec);
+ }
+ }
+
+ ::ERR_clear_error();
+
+ if (::SSL_CTX_use_PrivateKey_file(handle_, filename.c_str(), file_type) != 1)
+ {
+ ec = asio::error_code(
+ static_cast<int>(::ERR_get_error()),
+ asio::error::get_ssl_category());
+ ASIO_SYNC_OP_VOID_RETURN(ec);
+ }
+
+ ec = asio::error_code();
+ ASIO_SYNC_OP_VOID_RETURN(ec);
+}
+
+void context::use_rsa_private_key_file(
+ const std::string& filename, context::file_format format)
+{
+ asio::error_code ec;
+ use_rsa_private_key_file(filename, format, ec);
+ asio::detail::throw_error(ec, "use_rsa_private_key_file");
+}
+
+ASIO_SYNC_OP_VOID context::use_rsa_private_key_file(
+ const std::string& filename, context::file_format format,
+ asio::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 = asio::error::invalid_argument;
+ ASIO_SYNC_OP_VOID_RETURN(ec);
+ }
+ }
+
+ ::ERR_clear_error();
+
+ if (::SSL_CTX_use_RSAPrivateKey_file(
+ handle_, filename.c_str(), file_type) != 1)
+ {
+ ec = asio::error_code(
+ static_cast<int>(::ERR_get_error()),
+ asio::error::get_ssl_category());
+ ASIO_SYNC_OP_VOID_RETURN(ec);
+ }
+
+ ec = asio::error_code();
+ ASIO_SYNC_OP_VOID_RETURN(ec);
+}
+
+void context::use_tmp_dh(const const_buffer& dh)
+{
+ asio::error_code ec;
+ use_tmp_dh(dh, ec);
+ asio::detail::throw_error(ec, "use_tmp_dh");
+}
+
+ASIO_SYNC_OP_VOID context::use_tmp_dh(
+ const const_buffer& dh, asio::error_code& ec)
+{
+ ::ERR_clear_error();
+
+ bio_cleanup bio = { make_buffer_bio(dh) };
+ if (bio.p)
+ {
+ return do_use_tmp_dh(bio.p, ec);
+ }
+
+ ec = asio::error_code(
+ static_cast<int>(::ERR_get_error()),
+ asio::error::get_ssl_category());
+ ASIO_SYNC_OP_VOID_RETURN(ec);
+}
+
+void context::use_tmp_dh_file(const std::string& filename)
+{
+ asio::error_code ec;
+ use_tmp_dh_file(filename, ec);
+ asio::detail::throw_error(ec, "use_tmp_dh_file");
+}
+
+ASIO_SYNC_OP_VOID context::use_tmp_dh_file(
+ const std::string& filename, asio::error_code& ec)
+{
+ ::ERR_clear_error();
+
+ bio_cleanup bio = { ::BIO_new_file(filename.c_str(), "r") };
+ if (bio.p)
+ {
+ return do_use_tmp_dh(bio.p, ec);
+ }
+
+ ec = asio::error_code(
+ static_cast<int>(::ERR_get_error()),
+ asio::error::get_ssl_category());
+ ASIO_SYNC_OP_VOID_RETURN(ec);
+}
+
+ASIO_SYNC_OP_VOID context::do_use_tmp_dh(
+ BIO* bio, asio::error_code& ec)
+{
+ ::ERR_clear_error();
+
+ dh_cleanup dh = { ::PEM_read_bio_DHparams(bio, 0, 0, 0) };
+ if (dh.p)
+ {
+ if (::SSL_CTX_set_tmp_dh(handle_, dh.p) == 1)
+ {
+ ec = asio::error_code();
+ ASIO_SYNC_OP_VOID_RETURN(ec);
+ }
+ }
+
+ ec = asio::error_code(
+ static_cast<int>(::ERR_get_error()),
+ asio::error::get_ssl_category());
+ ASIO_SYNC_OP_VOID_RETURN(ec);
+}
+
+ASIO_SYNC_OP_VOID context::do_set_verify_callback(
+ detail::verify_callback_base* callback, asio::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 = asio::error_code();
+ ASIO_SYNC_OP_VOID_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;
+}
+
+ASIO_SYNC_OP_VOID context::do_set_password_callback(
+ detail::password_callback_base* callback, asio::error_code& ec)
+{
+#if (OPENSSL_VERSION_NUMBER >= 0x10100000L) && !defined(LIBRESSL_VERSION_NUMBER)
+ void* old_callback = ::SSL_CTX_get_default_passwd_cb_userdata(handle_);
+ ::SSL_CTX_set_default_passwd_cb_userdata(handle_, callback);
+#else // (OPENSSL_VERSION_NUMBER >= 0x10100000L)
+ void* old_callback = handle_->default_passwd_callback_userdata;
+ handle_->default_passwd_callback_userdata = callback;
+#endif // (OPENSSL_VERSION_NUMBER >= 0x10100000L)
+
+ if (old_callback)
+ delete static_cast<detail::password_callback_base*>(
+ old_callback);
+
+ SSL_CTX_set_default_passwd_cb(handle_, &context::password_callback_function);
+
+ ec = asio::error_code();
+ ASIO_SYNC_OP_VOID_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 defined(ASIO_HAS_SECURE_RTL)
+ strcpy_s(buf, size, passwd.c_str());
+#else // defined(ASIO_HAS_SECURE_RTL)
+ *buf = '\0';
+ if (size > 0)
+ strncat(buf, passwd.c_str(), size - 1);
+#endif // defined(ASIO_HAS_SECURE_RTL)
+
+ return static_cast<int>(strlen(buf));
+ }
+
+ return 0;
+}
+
+BIO* context::make_buffer_bio(const const_buffer& b)
+{
+ return ::BIO_new_mem_buf(
+ const_cast<void*>(b.data()),
+ static_cast<int>(b.size()));
+}
+
+} // namespace ssl
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_SSL_IMPL_CONTEXT_IPP