ZeroTierOne/node/CertificateOfOwnership.cpp
2024-09-26 08:52:29 -04:00

65 lines
1.7 KiB
C++

/*
* Copyright (c)2019 ZeroTier, Inc.
*
* Use of this software is governed by the Business Source License included
* in the LICENSE.TXT file in the project's root directory.
*
* Change Date: 2026-01-01
*
* On the date above, in accordance with the Business Source License, use
* of this software will be governed by version 2.0 of the Apache License.
*/
/****/
#include "CertificateOfOwnership.hpp"
#include "Identity.hpp"
#include "Network.hpp"
#include "Node.hpp"
#include "RuntimeEnvironment.hpp"
#include "Switch.hpp"
#include "Topology.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, RR->node->now(), _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