Merge commit '86cc97e55fe346502462284d2e636a2b3708163e' as 'Sources/OpenVPN3'

2026-04-24 00:00:05 +08:00 · 2020-02-24 14:43:11 +03:00
parent 133b3756e6 86cc97e55f
commit 32f1555929
655 changed files with 146468 additions and 0 deletions
@@ -0,0 +1,99 @@
+//    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) 2012-2017 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 <openvpn/asio/scoped_asio_stream.hpp>
+#include <openvpn/tun/client/tunbase.hpp>
+#include <openvpn/tun/client/tunprop.hpp>
+#include <openvpn/tun/persist/tunpersist.hpp>
+#include <openvpn/tun/win/client/tunsetup.hpp>
+
+namespace openvpn {
+  namespace TunWin {
+
+    // These types manage the underlying TAP driver HANDLE
+    typedef openvpn_io::windows::stream_handle TAPStream;
+    typedef ScopedAsioStream<TAPStream> ScopedTAPStream;
+    struct TunPersistState {
+      TunProp::State::Ptr state;
+      RingBuffer::Ptr ring_buffer;
+
+      void reset()
+      {
+	state.reset();
+	ring_buffer.reset();
+      }
+    };
+    typedef TunPersistTemplate<ScopedTAPStream, TunPersistState> TunPersist;
+
+    class ClientConfig : public TunClientFactory
+    {
+      friend class Client; // accesses wfp
+
+    public:
+      typedef RCPtr<ClientConfig> Ptr;
+
+      TunProp::Config tun_prop;
+      int n_parallel = 8;         // number of parallel async reads on tun socket
+      bool wintun = false;
+
+      Frame::Ptr frame;
+      SessionStats::Ptr stats;
+
+      Stop* stop = nullptr;
+
+      TunPersist::Ptr tun_persist;
+
+      TunWin::SetupFactory::Ptr tun_setup_factory;
+
+      TunWin::SetupBase::Ptr new_setup_obj(openvpn_io::io_context& io_context)
+      {
+	if (tun_setup_factory)
+	  return tun_setup_factory->new_setup_obj(io_context, wintun);
+	else
+	  return new TunWin::Setup(io_context, wintun);
+      }
+
+      static Ptr new_obj()
+      {
+	return new ClientConfig;
+      }
+
+      virtual TunClient::Ptr new_tun_client_obj(openvpn_io::io_context& io_context,
+	TunClientParent& parent,
+	TransportClient* transcli) override;
+
+      virtual void finalize(const bool disconnected) override
+      {
+	if (disconnected)
+	  tun_persist.reset();
+      }
+
+      virtual bool layer_2_supported() const override
+      {
+	return true;
+      }
+    };
+  }
+}
+