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
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+//    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/>.
+
+// Null tun interface object, intended for testing.
+
+#ifndef OPENVPN_TUN_CLIENT_TUNNULL_H
+#define OPENVPN_TUN_CLIENT_TUNNULL_H
+
+#include <openvpn/tun/client/tunbase.hpp>
+
+namespace openvpn {
+  namespace TunNull {
+
+    class ClientConfig : public TunClientFactory
+    {
+    public:
+      typedef RCPtr<ClientConfig> Ptr;
+
+      Frame::Ptr frame;
+      SessionStats::Ptr stats;
+
+      static Ptr new_obj()
+      {
+	return new ClientConfig;
+      }
+
+      virtual TunClient::Ptr new_tun_client_obj(openvpn_io::io_context& io_context,
+						TunClientParent& parent,
+						TransportClient* transcli);
+    private:
+      ClientConfig() {}
+    };
+
+    class Client : public TunClient
+    {
+      friend class ClientConfig;  // calls constructor
+
+    public:
+      virtual void tun_start(const OptionList& opt, TransportClient& transcli, CryptoDCSettings&)
+      {
+#ifdef TUN_NULL_EXIT
+	throw ErrorCode(Error::TUN_SETUP_FAILED, true, "TUN_NULL_EXIT");
+#else
+	// signal that we are "connected"
+	parent.tun_connected();
+#endif
+      }
+
+      virtual bool tun_send(BufferAllocated& buf)
+      {
+	config->stats->inc_stat(SessionStats::TUN_BYTES_OUT, buf.size());
+	config->stats->inc_stat(SessionStats::TUN_PACKETS_OUT, 1);
+	return true;
+      }
+
+      virtual std::string tun_name() const
+      {
+	return "TUN_NULL";
+      }
+
+      virtual std::string vpn_ip4() const
+      {
+	return "";
+      }
+
+      virtual std::string vpn_ip6() const
+      {
+	return "";
+      }
+
+      virtual void set_disconnect()
+      {
+      }
+
+      virtual void stop() {}
+
+    private:
+      Client(openvpn_io::io_context& io_context_arg,
+	     ClientConfig* config_arg,
+	     TunClientParent& parent_arg)
+	:  io_context(io_context_arg),
+	   config(config_arg),
+	   parent(parent_arg)
+      {
+      }
+
+      openvpn_io::io_context& io_context;
+      ClientConfig::Ptr config;
+      TunClientParent& parent;
+    };
+
+    inline TunClient::Ptr ClientConfig::new_tun_client_obj(openvpn_io::io_context& io_context,
+							   TunClientParent& parent,
+							   TransportClient* transcli)
+    {
+      return TunClient::Ptr(new Client(io_context, this, parent));
+    }
+
+  }
+} // namespace openvpn
+
+#endif // OPENVPN_TUN_CLIENT_TUNNULL_H