mirror of
https://github.com/deneraraujo/OpenVPNAdapter.git
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39 lines
1.5 KiB
C++
39 lines
1.5 KiB
C++
// OpenVPN -- An application to securely tunnel IP networks
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// over a single port, with support for SSL/TLS-based
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// session authentication and key exchange,
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// packet encryption, packet authentication, and
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// packet compression.
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//
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// Copyright (C) 2012-2017 OpenVPN Inc.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License Version 3
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// as published by the Free Software Foundation.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program in the COPYING file.
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// If not, see <http://www.gnu.org/licenses/>.
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#pragma once
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#include <openssl/opensslv.h>
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// OpenSSL 1.1.0 does not require an explicit init, in fact the
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// asio init for 1.1.0 is a noop, see also OPENSSL_init_ssl man page
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#if (OPENSSL_VERSION_NUMBER < 0x10100000L)
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#define OPENSSL_NEEDS_INIT
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// Instantiate this object to ensure openssl is initialised.
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#ifdef USE_ASIO
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#include <asio/ssl/detail/openssl_init.hpp>
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typedef asio::ssl::detail::openssl_init<> openssl_init;
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#else
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#error no OpenSSL init code (USE_ASIO needed for OpenSSL < 1.1)
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#endif
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#endif |