Files
OpenVPNAdapter/Sources/OpenVPN3/openvpn/ssl/sni_handler.hpp

53 lines
1.8 KiB
C++

// OpenVPN -- An application to securely tunnel IP networks
// over a single port, with support for SSL/TLS-based
// session authentication and key exchange,
// packet encryption, packet authentication, and
// packet compression.
//
// Copyright (C) 2012-2019 OpenVPN Inc.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License Version 3
// as published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program in the COPYING file.
// If not, see <http://www.gnu.org/licenses/>.
#pragma once
#include <string>
#include <memory>
#include <openvpn/ssl/sslapi.hpp>
#include <openvpn/ssl/sni_metadata.hpp>
namespace openvpn {
namespace SNI {
// Abstract base class used to provide an SNI handler
class HandlerBase
{
public:
typedef std::unique_ptr<HandlerBase> UPtr;
// Return a new SSLFactoryAPI for this SNI name.
// Implementation may also set sni_metadata.
// Return SSLFactoryAPI::Ptr() if sni_name is not recognized.
// The caller guarantees that sni_name is valid UTF-8 and
// doesn't contain any control characters.
virtual SSLFactoryAPI::Ptr sni_hello(const std::string& sni_name,
SNI::Metadata::UPtr& sni_metadata,
SSLConfigAPI::Ptr default_factory) const = 0;
virtual ~HandlerBase() {}
};
}
}