mirror of
https://github.com/deneraraujo/OpenVPNAdapter.git
synced 2026-02-11 00:00:08 +08:00
93 lines
3.2 KiB
C++
93 lines
3.2 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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// Abstract base classes for client tun interface objects.
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#ifndef OPENVPN_TUN_CLIENT_TUNBASE_H
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#define OPENVPN_TUN_CLIENT_TUNBASE_H
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#include <string>
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#include <openvpn/io/io.hpp>
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#include <openvpn/common/rc.hpp>
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#include <openvpn/common/options.hpp>
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#include <openvpn/buffer/buffer.hpp>
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#include <openvpn/transport/client/transbase.hpp>
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namespace openvpn {
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// Base class for objects that implement a client tun interface.
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struct TunClient : public virtual RC<thread_unsafe_refcount>
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{
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typedef RCPtr<TunClient> Ptr;
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virtual void tun_start(const OptionList&, TransportClient&, CryptoDCSettings&) = 0;
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virtual void stop() = 0;
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virtual void set_disconnect() = 0;
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virtual bool tun_send(BufferAllocated& buf) = 0; // return true if send succeeded
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virtual std::string tun_name() const = 0;
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virtual std::string vpn_ip4() const = 0; // VPN IP addresses
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virtual std::string vpn_ip6() const = 0;
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virtual std::string vpn_gw4() const { return std::string(); } // VPN gateways
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virtual std::string vpn_gw6() const { return std::string(); }
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};
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// Base class for parent of tun interface object, used to
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// communicate received data packets, exceptions, and progress
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// notifications.
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struct TunClientParent
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{
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virtual void tun_recv(BufferAllocated& buf) = 0;
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virtual void tun_error(const Error::Type fatal_err, const std::string& err_text) = 0;
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// progress notifications
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virtual void tun_pre_tun_config() = 0;
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virtual void tun_pre_route_config() = 0;
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virtual void tun_connected() = 0;
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};
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// Factory for tun interface objects.
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struct TunClientFactory : public virtual RC<thread_unsafe_refcount>
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{
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typedef RCPtr<TunClientFactory> Ptr;
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virtual TunClient::Ptr new_tun_client_obj(openvpn_io::io_context& io_context,
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TunClientParent& parent,
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TransportClient* transcli) = 0;
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// return true if layer 2 tunnels are supported
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virtual bool layer_2_supported() const { return false; }
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// Called on TunClient close, after TunClient::stop has been called.
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// disconnected ->
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// true: this is the final disconnect, or
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// false: we are in a pause/reconnecting state.
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virtual void finalize(const bool disconnected) {}
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};
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} // namespace openvpn
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#endif // OPENVPN_TUN_CLIENT_TUNBASE_H
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