didyouexpectthat_zerotierone/node/CertificateOfOwnership.cpp
2018-01-12 18:20:00 -08:00

64 lines
1.8 KiB
C++

/*
* ZeroTier One - Network Virtualization Everywhere
* Copyright (C) 2011-2016 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/>.
*/
#include "CertificateOfOwnership.hpp"
#include "RuntimeEnvironment.hpp"
#include "Identity.hpp"
#include "Topology.hpp"
#include "Switch.hpp"
#include "Network.hpp"
namespace ZeroTier {
int CertificateOfOwnership::verify(const RuntimeEnvironment *RR,void *tPtr) const
{
if ((!_signedBy)||(_signedBy != Network::controllerFor(_networkId)))
return -1;
const Identity id(RR->topology->getIdentity(tPtr,_signedBy));
if (!id) {
RR->sw->requestWhois(tPtr,_signedBy);
return 1;
}
try {
Buffer<(sizeof(CertificateOfOwnership) + 64)> tmp;
this->serialize(tmp,true);
return (id.verify(tmp.data(),tmp.size(),_signature) ? 0 : -1);
} catch ( ... ) {
return -1;
}
}
bool CertificateOfOwnership::_owns(const CertificateOfOwnership::Thing &t,const void *v,unsigned int l) const
{
for(unsigned int i=0,j=_thingCount;i<j;++i) {
if (_thingTypes[i] == (uint8_t)t) {
unsigned int k = 0;
while (k < l) {
if (reinterpret_cast<const uint8_t *>(v)[k] != _thingValues[i][k])
break;
++k;
}
if (k == l)
return true;
}
}
return false;
}
} // namespace ZeroTier