From 10185e92faa77a4b032a27a7c01b4186727b91b9 Mon Sep 17 00:00:00 2001 From: Adam Ierymenko Date: Thu, 23 Feb 2017 11:47:36 -0800 Subject: Certificate of ownership -- used to secure against IP address spoofing, especially for IPv4 and regular IPv6. --- node/CertificateOfOwnership.cpp | 46 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 node/CertificateOfOwnership.cpp (limited to 'node/CertificateOfOwnership.cpp') diff --git a/node/CertificateOfOwnership.cpp b/node/CertificateOfOwnership.cpp new file mode 100644 index 00000000..8305c489 --- /dev/null +++ b/node/CertificateOfOwnership.cpp @@ -0,0 +1,46 @@ +/* + * 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 . + */ + +#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) const +{ + if ((!_signedBy)||(_signedBy != Network::controllerFor(_networkId))) + return -1; + const Identity id(RR->topology->getIdentity(_signedBy)); + if (!id) { + RR->sw->requestWhois(_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; + } +} + +} // namespace ZeroTier -- cgit v1.2.3