ZeroTierOne/node/Tag.cpp

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/*
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* Copyright (c)2019 ZeroTier, Inc.
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*
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* Use of this software is governed by the Business Source License included
* in the LICENSE.TXT file in the project's root directory.
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*
* Change Date: 2026-01-01
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*
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* 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.
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*/
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/****/
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#include "Tag.hpp"
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#include "Identity.hpp"
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#include "Network.hpp"
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#include "Node.hpp"
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#include "RuntimeEnvironment.hpp"
#include "Switch.hpp"
#include "Topology.hpp"
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namespace ZeroTier {
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int Tag::verify(const RuntimeEnvironment* RR, void* tPtr) const
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{
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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(Tag) * 2)> tmp;
this->serialize(tmp, true);
return (id.verify(tmp.data(), tmp.size(), _signature) ? 0 : -1);
}
catch (...) {
return -1;
}
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}
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} // namespace ZeroTier