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/*
* anytun
*
* The secure anycast tunneling protocol (satp) defines a protocol used
* for communication between any combination of unicast and anycast
* tunnel endpoints. It has less protocol overhead than IPSec in Tunnel
* mode and allows tunneling of every ETHER TYPE protocol (e.g.
* ethernet, ip, arp ...). satp directly includes cryptography and
* message authentication based on the methodes used by SRTP. It is
* intended to deliver a generic, scaleable and secure solution for
* tunneling and relaying of packets of any protocol.
*
*
* Copyright (C) 2007-2009 Othmar Gsenger, Erwin Nindl,
* Christian Pointner <satp@wirdorange.org>
*
* This file is part of Anytun.
*
* Anytun is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* Anytun 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with anytun. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef ANYTUN_connectionParam_h_INCLUDED
#define ANYTUN_connectionParam_h_INCLUDED
#include "keyDerivation.h"
#include "seqWindow.h"
#include "threadUtils.hpp"
#include "packetSource.h"
#include "log.h"
#include <boost/archive/text_oarchive.hpp>
#include <boost/archive/text_iarchive.hpp>
class ConnectionParam
{
public:
ConnectionParam(const ConnectionParam & src);
ConnectionParam( KeyDerivation& kd, SeqWindow& seq_window, seq_nr_t seq_nr_, PacketSourceEndpoint remote_end);
KeyDerivation& kd_;
SeqWindow& seq_window_;
seq_nr_t seq_nr_;
PacketSourceEndpoint remote_end_;
private:
//TODO: check if this is ok
Mutex mutex_;
friend class boost::serialization::access;
template<class Archive>
void serialize(Archive & ar, const unsigned int version)
{
Lock lock(mutex_);
std::string remote_host(remote_end_.address().to_string());
u_int16_t remote_port = remote_end_.port();
ar & kd_;
ar & seq_window_;
ar & seq_nr_;
ar & remote_host;
ar & remote_port;
PacketSourceEndpoint emptyEndpoint;
UDPPacketSource::proto::endpoint endpoint(boost::asio::ip::address::from_string(remote_host), remote_port);
//This is a workarround, against race condition in sync process
//TODO: find a better solution
if (endpoint != emptyEndpoint && remote_host != "::" && remote_host != "[::]" && remote_host != "0.0.0.0")
remote_end_ = endpoint;
}
};
#endif
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