mirror of
https://github.com/zerotier/ZeroTierOne.git
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89 lines
3.8 KiB
C++
89 lines
3.8 KiB
C++
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/*
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* ZeroTier One - Network Virtualization Everywhere
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* Copyright (C) 2011-2019 ZeroTier, Inc. https://www.zerotier.com/
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* --
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*
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* You can be released from the requirements of the license by purchasing
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* a commercial license. Buying such a license is mandatory as soon as you
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* develop commercial closed-source software that incorporates or links
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* directly against ZeroTier software without disclosing the source code
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* of your own application.
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*/
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#include "Constants.hpp"
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#include "RuntimeEnvironment.hpp"
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#include "Credential.hpp"
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#include "Capability.hpp"
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#include "Tag.hpp"
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#include "CertificateOfMembership.hpp"
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#include "CertificateOfOwnership.hpp"
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#include "Revocation.hpp"
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#include "Switch.hpp"
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#include "Network.hpp"
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namespace ZeroTier {
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template<typename CRED>
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static inline Credential::VerifyResult _credVerify(const RuntimeEnvironment *const RR,void *tPtr,CRED credential)
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{
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const Address signedBy(credential.signer());
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const uint64_t networkId = credential.networkId();
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if ((!signedBy)||(signedBy != Network::controllerFor(networkId)))
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return Credential::VERIFY_BAD_SIGNATURE;
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const Identity id(RR->topology->getIdentity(tPtr,signedBy));
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if (!id) {
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RR->sw->requestWhois(tPtr,RR->node->now(),signedBy);
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return Credential::VERIFY_NEED_IDENTITY;
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}
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try {
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Buffer<(sizeof(CRED) + 64)> *const tmp = new Buffer<(sizeof(CRED) + 64)>();
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credential.serialize(*tmp,true);
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const Credential::VerifyResult result = (id.verify(tmp->data(),tmp->size(),credential.signature(),credential.signatureLength()) ? Credential::VERIFY_OK : Credential::VERIFY_BAD_SIGNATURE);
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delete tmp;
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return result;
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} catch ( ... ) {}
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return Credential::VERIFY_BAD_SIGNATURE;
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}
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Credential::VerifyResult Credential::_verify(const RuntimeEnvironment *const RR,void *tPtr,const Revocation &credential) const { return _credVerify(RR,tPtr,credential); }
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Credential::VerifyResult Credential::_verify(const RuntimeEnvironment *const RR,void *tPtr,const Tag &credential) const { return _credVerify(RR,tPtr,credential); }
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Credential::VerifyResult Credential::_verify(const RuntimeEnvironment *const RR,void *tPtr,const CertificateOfOwnership &credential) const { return _credVerify(RR,tPtr,credential); }
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Credential::VerifyResult Credential::_verify(const RuntimeEnvironment *const RR,void *tPtr,const CertificateOfMembership &credential) const
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{
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if ((!credential._signedBy)||(credential._signedBy != Network::controllerFor(credential.networkId()))||(credential._qualifierCount > ZT_NETWORK_COM_MAX_QUALIFIERS))
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return Credential::VERIFY_BAD_SIGNATURE;
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const Identity id(RR->topology->getIdentity(tPtr,credential._signedBy));
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if (!id) {
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RR->sw->requestWhois(tPtr,RR->node->now(),credential._signedBy);
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return Credential::VERIFY_NEED_IDENTITY;
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}
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uint64_t buf[ZT_NETWORK_COM_MAX_QUALIFIERS * 3];
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unsigned int ptr = 0;
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for(unsigned int i=0;i<credential._qualifierCount;++i) {
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buf[ptr++] = Utils::hton(credential._qualifiers[i].id);
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buf[ptr++] = Utils::hton(credential._qualifiers[i].value);
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buf[ptr++] = Utils::hton(credential._qualifiers[i].maxDelta);
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}
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return (id.verify(buf,ptr * sizeof(uint64_t),credential._signature,credential._signatureLength) ? Credential::VERIFY_OK : Credential::VERIFY_BAD_SIGNATURE);
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}
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} // namespace ZeroTier
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