mirror of
https://github.com/zerotier/ZeroTierOne.git
synced 2024-12-20 05:28:01 +00:00
129 lines
4.2 KiB
C++
129 lines
4.2 KiB
C++
/*
|
|
* ZeroTier One - Network Virtualization Everywhere
|
|
* Copyright (C) 2011-2019 ZeroTier, Inc. https://www.zerotier.com/
|
|
*
|
|
* This program 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
|
|
* (at your option) any later version.
|
|
*
|
|
* 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 General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
* --
|
|
*
|
|
* You can be released from the requirements of the license by purchasing
|
|
* a commercial license. Buying such a license is mandatory as soon as you
|
|
* develop commercial closed-source software that incorporates or links
|
|
* directly against ZeroTier software without disclosing the source code
|
|
* of your own application.
|
|
*/
|
|
|
|
#ifndef ZT_LOCATOR_HPP
|
|
#define ZT_LOCATOR_HPP
|
|
|
|
#include "Constants.hpp"
|
|
#include "Identity.hpp"
|
|
#include "InetAddress.hpp"
|
|
|
|
#include <vector>
|
|
|
|
#define ZT_LOCATOR_MAX_PHYSICAL_ENDPOINTS 32
|
|
#define ZT_LOCATOR_MAX_VIRTUAL_ENDPOINTS 32
|
|
|
|
namespace ZeroTier {
|
|
|
|
/**
|
|
* Signed information about a node's location on the network
|
|
*/
|
|
class Locator
|
|
{
|
|
public:
|
|
Locator() :
|
|
_signatureLength(0),
|
|
_orgSignatureLength(0) {}
|
|
|
|
inline void addLocation(const InetAddress &phy) { if (_physical.size() < ZT_LOCATOR_MAX_PHYSICAL_ENDPOINTS) _physical.push_back(phy); }
|
|
inline void addLocation(const Identity &v) { if (_virtual.size() < ZT_LOCATOR_MAX_VIRTUAL_ENDPOINTS) _virtual.push_back(v); }
|
|
|
|
inline const std::vector<InetAddress> &physical() const { return _physical; }
|
|
inline const std::vector<Identity> &virt() const { return _virtual; }
|
|
|
|
void sign(const Identity &id,const Identity &organization,const int64_t timestamp);
|
|
bool verify() const;
|
|
|
|
void generateDNSRecords(char *buf,unsigned int buflen);
|
|
|
|
template<unsigned int C>
|
|
inline void serialize(Buffer<C> &b,const bool forSign = false) const
|
|
{
|
|
if (forSign) b.append((uint64_t)0x7f7f7f7f7f7f7f7fULL);
|
|
|
|
b.append((uint64_t)_ts);
|
|
_id.serialize(b,false);
|
|
_organization.serialize(b,false);
|
|
b.append((uint16_t)_physical.size());
|
|
for(std::vector<InetAddress>::const_iterator i(_physical.begin());i!=_physical.end();++i)
|
|
i->serialize(b);
|
|
b.append((uint16_t)_virtual.size());
|
|
for(std::vector<InetAddress>::const_iterator i(_virtual.begin());i!=_virtual.end();++i)
|
|
i->serialize(b,false);
|
|
if (!forSign) {
|
|
b.append((uint16_t)_signatureLength);
|
|
b.append(_signature,_signatureLength);
|
|
b.append((uint16_t)_orgSignatureLength);
|
|
b.append(_orgSignature,_orgSignatureLength);
|
|
}
|
|
b.append((uint16_t)0); // length of additional fields, currently 0
|
|
|
|
if (forSign) b.append((uint64_t)0x7f7f7f7f7f7f7f7fULL);
|
|
}
|
|
|
|
template<unsigned int C>
|
|
inline unsigned int deserialize(const Buffer<C> &b,unsigned int startAt = 0)
|
|
{
|
|
unsigned int p = startAt;
|
|
|
|
_ts = (uint64_t)b.template at<uint64_t>(p); p += 8;
|
|
p += _id.deserialize(b,p);
|
|
p += _organization.deserialize(b,p);
|
|
unsigned int cnt = b.template at<uint16_t>(p); p += 2;
|
|
if (cnt > ZT_LOCATOR_MAX_PHYSICAL_ENDPOINTS)
|
|
throw ZT_EXCEPTION_INVALID_SERIALIZED_DATA_OVERFLOW;
|
|
_physical.resize(cnt);
|
|
for(std::vector<InetAddress>::iterator i(_physical.begin());i!=_physical.end();++i)
|
|
p += i->deserialize(b,p);
|
|
cnt = b.template at<uint16_t>(p); p += 2;
|
|
if (cnt > ZT_LOCATOR_MAX_VIRTUAL_ENDPOINTS)
|
|
throw ZT_EXCEPTION_INVALID_SERIALIZED_DATA_OVERFLOW;
|
|
_virtual.resize(cnt);
|
|
for(std::vector<Identity>::iterator i(_virtual.begin());i!=_virtual.end();++i)
|
|
p += i->deserialize(b,p);
|
|
p += 2 + b.template at<uint16_t>(p);
|
|
if (p > b.size())
|
|
throw ZT_EXCEPTION_INVALID_SERIALIZED_DATA_OVERFLOW;
|
|
|
|
return (p - startAt);
|
|
}
|
|
|
|
private:
|
|
int64_t _ts;
|
|
Identity _id;
|
|
Identity _organization;
|
|
std::vector<InetAddress> _physical;
|
|
std::vector<Identity> _virtual;
|
|
unsigned int _signatureLength;
|
|
unsigned int _orgSignatureLength;
|
|
uint8_t _signature[ZT_SIGNATURE_BUFFER_SIZE];
|
|
uint8_t _orgSignature[ZT_SIGNATURE_BUFFER_SIZE];
|
|
};
|
|
|
|
} // namespace ZeroTier
|
|
|
|
#endif
|