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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 methods 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) 2007-2014 Markus Grüneis, 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/>.
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library under certain conditions as described in each
* individual source file, and distribute linked combinations
* including the two.
* You must obey the GNU General Public License in all respects
* for all of the code used other than OpenSSL. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you
* do not wish to do so, delete this exception statement from your
* version. If you delete this exception statement from all source
* files in the program, then also delete it here.
*/
#ifndef ANYTUN_deviceConfig_hpp_INCLUDED
#define ANYTUN_deviceConfig_hpp_INCLUDED
#include "networkAddress.h"
#include <boost/asio.hpp>
#include "anytunError.h"
class TunDevice;
enum device_type_t { TYPE_UNDEF, TYPE_TUN, TYPE_TAP };
class DeviceConfig
{
public:
DeviceConfig(std::string dev_name ,std::string dev_type, std::string ifcfg_addr, uint16_t ifcfg_prefix, uint16_t mtu) {
mtu_ = mtu;
type_ = TYPE_UNDEF;
#if !defined(_MSC_VER) && !defined(MINGW)
if(dev_type != "") {
if(!dev_type.compare(0,3,"tun")) {
type_ = TYPE_TUN;
} else if(!dev_type.compare(0,3,"tap")) {
type_ = TYPE_TAP;
}
} else if(dev_name != "") {
if(!dev_name.compare(0,3,"tun")) {
type_ = TYPE_TUN;
} else if(!dev_name.compare(0,3,"tap")) {
type_ = TYPE_TAP;
}
}
#else
if(dev_type == "") {
AnytunError::throwErr() << "Device type must be specified on Windows";
}
if(dev_type == "tun") {
type_ = TYPE_TUN;
} else if(dev_type == "tap") {
type_ = TYPE_TAP;
}
if(type_ == TYPE_TUN && ifcfg_addr == "") {
AnytunError::throwErr() << "Device type tun requires ifconfig parameter (--ifconfig)";
}
#endif
if(ifcfg_addr != "") {
addr_.setNetworkAddress(ipv4, ifcfg_addr.c_str());
}
prefix_ = ifcfg_prefix;
uint32_t mask = 0;
for(uint16_t i = 0; i < prefix_; ++i) {
mask = mask >> 1;
mask |= 0x80000000L;
}
netmask_.setNetworkAddress(boost::asio::ip::address_v4(mask));
}
private:
device_type_t type_;
NetworkAddress addr_;
NetworkAddress netmask_;
uint16_t prefix_;
uint16_t mtu_;
friend class TunDevice;
};
#endif
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