mirror of
https://github.com/zerotier/ZeroTierOne.git
synced 2024-12-20 21:43:08 +00:00
Membership cleanup work in progress.
This commit is contained in:
Adam Ierymenko
parent
b3298a8f57
commit
8a62ba07e5
58
node/Credential.hpp
Normal file
58
node/Credential.hpp
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@ -0,0 +1,58 @@
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/*
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* ZeroTier One - Network Virtualization Everywhere
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* Copyright (C) 2011-2016 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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#ifndef ZT_CREDENTIAL_HPP
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#define ZT_CREDENTIAL_HPP
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#include <string>
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#include <memory>
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#include <stdexcept>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <string.h>
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#include "Constants.hpp"
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namespace ZeroTier {
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/**
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* Base class for credentials
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*/
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class Credential
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{
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public:
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/**
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* Do not change type code IDs -- these are used in Revocation objects and elsewhere
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*/
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enum Type
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{
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CREDENTIAL_TYPE_NULL = 0,
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CREDENTIAL_TYPE_COM = 1, // CertificateOfMembership
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CREDENTIAL_TYPE_CAPABILITY = 2,
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CREDENTIAL_TYPE_TAG = 3,
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CREDENTIAL_TYPE_COO = 4, // CertificateOfOwnership
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CREDENTIAL_TYPE_COR = 5, // CertificateOfRepresentation
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CREDENTIAL_TYPE_REVOCATION = 6
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};
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};
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} // namespace ZeroTier
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#endif
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@ -33,11 +33,12 @@ namespace ZeroTier {
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Membership::Membership() :
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_lastUpdatedMulticast(0),
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_lastPushedCom(0),
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_comRevocationThreshold(0)
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_comRevocationThreshold(0),
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_revocations(4),
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_remoteTags(4),
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_remoteCaps(4),
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_remoteCoos(4)
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{
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for(unsigned int i=0;i<ZT_MAX_NETWORK_TAGS;++i) _remoteTags[i] = &(_tagMem[i]);
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for(unsigned int i=0;i<ZT_MAX_NETWORK_CAPABILITIES;++i) _remoteCaps[i] = &(_capMem[i]);
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for(unsigned int i=0;i<ZT_MAX_CERTIFICATES_OF_OWNERSHIP;++i) _remoteCoos[i] = &(_cooMem[i]);
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}
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void Membership::pushCredentials(const RuntimeEnvironment *RR,void *tPtr,const uint64_t now,const Address &peerAddress,const NetworkConfig &nconf,int localCapabilityIndex,const bool force)
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@ -117,21 +118,15 @@ void Membership::pushCredentials(const RuntimeEnvironment *RR,void *tPtr,const u
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}
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}
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const Tag *Membership::getTag(const NetworkConfig &nconf,const uint32_t id) const
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{
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const _RemoteCredential<Tag> *const *t = std::lower_bound(&(_remoteTags[0]),&(_remoteTags[ZT_MAX_NETWORK_TAGS]),(uint64_t)id,_RemoteCredentialComp<Tag>());
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return ( ((t != &(_remoteTags[ZT_MAX_NETWORK_CAPABILITIES]))&&((*t)->id == (uint64_t)id)) ? ((((*t)->lastReceived)&&(_isCredentialTimestampValid(nconf,**t))) ? &((*t)->credential) : (const Tag *)0) : (const Tag *)0);
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}
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Membership::AddCredentialResult Membership::addCredential(const RuntimeEnvironment *RR,void *tPtr,const NetworkConfig &nconf,const CertificateOfMembership &com)
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{
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const uint64_t newts = com.timestamp().first;
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const uint64_t newts = com.timestamp();
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if (newts <= _comRevocationThreshold) {
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TRACE("addCredential(CertificateOfMembership) for %s on %.16llx REJECTED (revoked)",com.issuedTo().toString().c_str(),com.networkId());
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return ADD_REJECTED;
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}
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const uint64_t oldts = _com.timestamp().first;
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const uint64_t oldts = _com.timestamp();
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if (newts < oldts) {
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TRACE("addCredential(CertificateOfMembership) for %s on %.16llx REJECTED (older than current)",com.issuedTo().toString().c_str(),com.networkId());
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return ADD_REJECTED;
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@ -154,242 +149,89 @@ Membership::AddCredentialResult Membership::addCredential(const RuntimeEnvironme
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}
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}
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Membership::AddCredentialResult Membership::addCredential(const RuntimeEnvironment *RR,void *tPtr,const NetworkConfig &nconf,const Tag &tag)
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// Template out addCredential() for most cred types to avoid copypasta
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template<typename C>
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static Membership::AddCredentialResult _addCredImpl(Hashtable<uint32_t,C> &remoteCreds,const Hashtable<uint64_t,uint64_t> &revocations,const RuntimeEnvironment *RR,void *tPtr,const NetworkConfig &nconf,const C &cred)
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{
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_RemoteCredential<Tag> *const *htmp = std::lower_bound(&(_remoteTags[0]),&(_remoteTags[ZT_MAX_NETWORK_TAGS]),(uint64_t)tag.id(),_RemoteCredentialComp<Tag>());
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_RemoteCredential<Tag> *have = ((htmp != &(_remoteTags[ZT_MAX_NETWORK_TAGS]))&&((*htmp)->id == (uint64_t)tag.id())) ? *htmp : (_RemoteCredential<Tag> *)0;
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if (have) {
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if ( (!_isCredentialTimestampValid(nconf,*have)) || (have->credential.timestamp() > tag.timestamp()) ) {
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TRACE("addCredential(Tag) for %s on %.16llx REJECTED (revoked or too old)",tag.issuedTo().toString().c_str(),tag.networkId());
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return ADD_REJECTED;
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C *rc = remoteCreds.get(cred.id());
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if (rc) {
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if (rc->timestamp() >= cred.timestamp()) {
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TRACE("addCredential(type==%d) for %s on %.16llx REJECTED (older than credential we have)",(int)C::credentialType(),cred.issuedTo().toString().c_str(),cred.networkId());
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return Membership::ADD_REJECTED;
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}
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if (have->credential == tag) {
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TRACE("addCredential(Tag) for %s on %.16llx ACCEPTED (redundant)",tag.issuedTo().toString().c_str(),tag.networkId());
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return ADD_ACCEPTED_REDUNDANT;
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if (*rc == cred) {
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TRACE("addCredential(type==%d) for %s on %.16llx ACCEPTED (redundant)",(int)C::credentialType(),cred.issuedTo().toString().c_str(),cred.networkId());
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return Membership::ADD_ACCEPTED_REDUNDANT;
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}
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}
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switch(tag.verify(RR,tPtr)) {
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default:
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TRACE("addCredential(Tag) for %s on %.16llx REJECTED (invalid)",tag.issuedTo().toString().c_str(),tag.networkId());
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return ADD_REJECTED;
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case 0:
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TRACE("addCredential(Tag) for %s on %.16llx ACCEPTED (new)",tag.issuedTo().toString().c_str(),tag.networkId());
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if (!have) have = _newTag(tag.id());
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have->lastReceived = RR->node->now();
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have->credential = tag;
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return ADD_ACCEPTED_NEW;
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case 1:
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return ADD_DEFERRED_FOR_WHOIS;
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const uint64_t *rt = revocations.get(Membership::revocationKey(C::credentialType(),cred.id()));
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if ((rt)&&(*rt >= cred.timestamp())) {
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TRACE("addCredential(type==%d) for %s on %.16llx REJECTED (timestamp below revocation threshold)",(int)C::credentialType(),cred.issuedTo().toString().c_str(),cred.networkId());
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return Membership::ADD_REJECTED;
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}
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switch(cred.verify(RR,tPtr)) {
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default:
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TRACE("addCredential(type==%d) for %s on %.16llx REJECTED (invalid)",(int)C::credentialType(),cred.issuedTo().toString().c_str(),cred.networkId());
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return Membership::ADD_REJECTED;
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case 0:
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TRACE("addCredential(type==%d) for %s on %.16llx ACCEPTED (new)",(int)C::credentialType(),cred.issuedTo().toString().c_str(),cred.networkId());
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if (!rc)
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rc = &(remoteCreds[cred.id()]);
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*rc = cred;
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return Membership::ADD_ACCEPTED_NEW;
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case 1:
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return Membership::ADD_DEFERRED_FOR_WHOIS;
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}
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}
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Membership::AddCredentialResult Membership::addCredential(const RuntimeEnvironment *RR,void *tPtr,const NetworkConfig &nconf,const Tag &tag)
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{
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return _addCredImpl<Tag>(_remoteTags,_revocations,RR,tPtr,nconf,tag);
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}
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Membership::AddCredentialResult Membership::addCredential(const RuntimeEnvironment *RR,void *tPtr,const NetworkConfig &nconf,const Capability &cap)
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{
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_RemoteCredential<Capability> *const *htmp = std::lower_bound(&(_remoteCaps[0]),&(_remoteCaps[ZT_MAX_NETWORK_CAPABILITIES]),(uint64_t)cap.id(),_RemoteCredentialComp<Capability>());
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_RemoteCredential<Capability> *have = ((htmp != &(_remoteCaps[ZT_MAX_NETWORK_CAPABILITIES]))&&((*htmp)->id == (uint64_t)cap.id())) ? *htmp : (_RemoteCredential<Capability> *)0;
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if (have) {
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if ( (!_isCredentialTimestampValid(nconf,*have)) || (have->credential.timestamp() > cap.timestamp()) ) {
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TRACE("addCredential(Capability) for %s on %.16llx REJECTED (revoked or too old)",cap.issuedTo().toString().c_str(),cap.networkId());
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return ADD_REJECTED;
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}
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if (have->credential == cap) {
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TRACE("addCredential(Capability) for %s on %.16llx ACCEPTED (redundant)",cap.issuedTo().toString().c_str(),cap.networkId());
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return ADD_ACCEPTED_REDUNDANT;
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}
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}
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switch(cap.verify(RR,tPtr)) {
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default:
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TRACE("addCredential(Capability) for %s on %.16llx REJECTED (invalid)",cap.issuedTo().toString().c_str(),cap.networkId());
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return ADD_REJECTED;
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case 0:
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TRACE("addCredential(Capability) for %s on %.16llx ACCEPTED (new)",cap.issuedTo().toString().c_str(),cap.networkId());
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if (!have) have = _newCapability(cap.id());
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have->lastReceived = RR->node->now();
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have->credential = cap;
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return ADD_ACCEPTED_NEW;
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case 1:
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return ADD_DEFERRED_FOR_WHOIS;
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}
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}
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Membership::AddCredentialResult Membership::addCredential(const RuntimeEnvironment *RR,void *tPtr,const NetworkConfig &nconf,const Revocation &rev)
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{
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switch(rev.verify(RR,tPtr)) {
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default:
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return ADD_REJECTED;
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case 0: {
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const uint64_t now = RR->node->now();
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switch(rev.type()) {
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default:
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return ADD_REJECTED;
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case Revocation::CREDENTIAL_TYPE_COM:
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return (_revokeCom(rev) ? ADD_ACCEPTED_NEW : ADD_ACCEPTED_REDUNDANT);
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case Revocation::CREDENTIAL_TYPE_CAPABILITY:
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return (_revokeCap(rev,now) ? ADD_ACCEPTED_NEW : ADD_ACCEPTED_REDUNDANT);
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case Revocation::CREDENTIAL_TYPE_TAG:
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return (_revokeTag(rev,now) ? ADD_ACCEPTED_NEW : ADD_ACCEPTED_REDUNDANT);
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case Revocation::CREDENTIAL_TYPE_COO:
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return (_revokeCoo(rev,now) ? ADD_ACCEPTED_NEW : ADD_ACCEPTED_REDUNDANT);
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}
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}
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case 1:
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return ADD_DEFERRED_FOR_WHOIS;
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}
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return _addCredImpl<Capability>(_remoteCaps,_revocations,RR,tPtr,nconf,cap);
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}
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Membership::AddCredentialResult Membership::addCredential(const RuntimeEnvironment *RR,void *tPtr,const NetworkConfig &nconf,const CertificateOfOwnership &coo)
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{
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_RemoteCredential<CertificateOfOwnership> *const *htmp = std::lower_bound(&(_remoteCoos[0]),&(_remoteCoos[ZT_MAX_CERTIFICATES_OF_OWNERSHIP]),(uint64_t)coo.id(),_RemoteCredentialComp<CertificateOfOwnership>());
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_RemoteCredential<CertificateOfOwnership> *have = ((htmp != &(_remoteCoos[ZT_MAX_CERTIFICATES_OF_OWNERSHIP]))&&((*htmp)->id == (uint64_t)coo.id())) ? *htmp : (_RemoteCredential<CertificateOfOwnership> *)0;
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if (have) {
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if ( (!_isCredentialTimestampValid(nconf,*have)) || (have->credential.timestamp() > coo.timestamp()) ) {
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TRACE("addCredential(CertificateOfOwnership) for %s on %.16llx REJECTED (revoked or too old)",coo.issuedTo().toString().c_str(),coo.networkId());
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return ADD_REJECTED;
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}
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if (have->credential == coo) {
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TRACE("addCredential(CertificateOfOwnership) for %s on %.16llx ACCEPTED (redundant)",coo.issuedTo().toString().c_str(),coo.networkId());
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return ADD_ACCEPTED_REDUNDANT;
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}
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return _addCredImpl<CertificateOfOwnership>(_remoteCoos,_revocations,RR,tPtr,nconf,coo);
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}
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switch(coo.verify(RR,tPtr)) {
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Membership::AddCredentialResult Membership::addCredential(const RuntimeEnvironment *RR,void *tPtr,const NetworkConfig &nconf,const Revocation &rev)
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{
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uint64_t *rt;
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switch(rev.verify(RR,tPtr)) {
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default:
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TRACE("addCredential(CertificateOfOwnership) for %s on %.16llx REJECTED (invalid)",coo.issuedTo().toString().c_str(),coo.networkId());
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return ADD_REJECTED;
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case 0:
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TRACE("addCredential(CertificateOfOwnership) for %s on %.16llx ACCEPTED (new)",coo.issuedTo().toString().c_str(),coo.networkId());
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if (!have) have = _newCoo(coo.id());
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have->lastReceived = RR->node->now();
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have->credential = coo;
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case 0: {
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const Credential::Type ct = rev.type();
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switch(ct) {
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case Credential::CREDENTIAL_TYPE_COM:
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if (rev.threshold() > _comRevocationThreshold) {
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_comRevocationThreshold = rev.threshold();
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return ADD_ACCEPTED_NEW;
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}
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return ADD_ACCEPTED_REDUNDANT;
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case Credential::CREDENTIAL_TYPE_CAPABILITY:
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case Credential::CREDENTIAL_TYPE_TAG:
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case Credential::CREDENTIAL_TYPE_COO:
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rt = &(_revocations[revocationKey(ct,rev.credentialId())]);
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if (*rt < rev.threshold()) {
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*rt = rev.threshold();
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return ADD_ACCEPTED_NEW;
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}
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return ADD_ACCEPTED_REDUNDANT;
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default:
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return ADD_REJECTED;
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}
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}
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case 1:
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return ADD_DEFERRED_FOR_WHOIS;
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}
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}
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Membership::_RemoteCredential<Tag> *Membership::_newTag(const uint64_t id)
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{
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_RemoteCredential<Tag> *t = NULL;
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uint64_t minlr = 0xffffffffffffffffULL;
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for(unsigned int i=0;i<ZT_MAX_NETWORK_TAGS;++i) {
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if (_remoteTags[i]->id == ZT_MEMBERSHIP_CRED_ID_UNUSED) {
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t = _remoteTags[i];
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break;
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} else if (_remoteTags[i]->lastReceived <= minlr) {
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t = _remoteTags[i];
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minlr = _remoteTags[i]->lastReceived;
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}
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}
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if (t) {
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t->id = id;
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t->lastReceived = 0;
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t->revocationThreshold = 0;
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t->credential = Tag();
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}
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std::sort(&(_remoteTags[0]),&(_remoteTags[ZT_MAX_NETWORK_TAGS]),_RemoteCredentialComp<Tag>());
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return t;
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}
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Membership::_RemoteCredential<Capability> *Membership::_newCapability(const uint64_t id)
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{
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_RemoteCredential<Capability> *c = NULL;
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uint64_t minlr = 0xffffffffffffffffULL;
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for(unsigned int i=0;i<ZT_MAX_NETWORK_CAPABILITIES;++i) {
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if (_remoteCaps[i]->id == ZT_MEMBERSHIP_CRED_ID_UNUSED) {
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c = _remoteCaps[i];
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break;
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} else if (_remoteCaps[i]->lastReceived <= minlr) {
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c = _remoteCaps[i];
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minlr = _remoteCaps[i]->lastReceived;
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}
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}
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if (c) {
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c->id = id;
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c->lastReceived = 0;
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c->revocationThreshold = 0;
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c->credential = Capability();
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}
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std::sort(&(_remoteCaps[0]),&(_remoteCaps[ZT_MAX_NETWORK_CAPABILITIES]),_RemoteCredentialComp<Capability>());
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return c;
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}
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Membership::_RemoteCredential<CertificateOfOwnership> *Membership::_newCoo(const uint64_t id)
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{
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_RemoteCredential<CertificateOfOwnership> *c = NULL;
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uint64_t minlr = 0xffffffffffffffffULL;
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for(unsigned int i=0;i<ZT_MAX_CERTIFICATES_OF_OWNERSHIP;++i) {
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if (_remoteCoos[i]->id == ZT_MEMBERSHIP_CRED_ID_UNUSED) {
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c = _remoteCoos[i];
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break;
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} else if (_remoteCoos[i]->lastReceived <= minlr) {
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c = _remoteCoos[i];
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minlr = _remoteCoos[i]->lastReceived;
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}
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}
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if (c) {
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c->id = id;
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c->lastReceived = 0;
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c->revocationThreshold = 0;
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c->credential = CertificateOfOwnership();
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}
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std::sort(&(_remoteCoos[0]),&(_remoteCoos[ZT_MAX_CERTIFICATES_OF_OWNERSHIP]),_RemoteCredentialComp<CertificateOfOwnership>());
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return c;
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}
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bool Membership::_revokeCom(const Revocation &rev)
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{
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if (rev.threshold() > _comRevocationThreshold) {
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_comRevocationThreshold = rev.threshold();
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return true;
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}
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return false;
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}
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bool Membership::_revokeCap(const Revocation &rev,const uint64_t now)
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{
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_RemoteCredential<Capability> *const *htmp = std::lower_bound(&(_remoteCaps[0]),&(_remoteCaps[ZT_MAX_NETWORK_CAPABILITIES]),(uint64_t)rev.credentialId(),_RemoteCredentialComp<Capability>());
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_RemoteCredential<Capability> *have = ((htmp != &(_remoteCaps[ZT_MAX_NETWORK_CAPABILITIES]))&&((*htmp)->id == (uint64_t)rev.credentialId())) ? *htmp : (_RemoteCredential<Capability> *)0;
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if (!have) have = _newCapability(rev.credentialId());
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if (rev.threshold() > have->revocationThreshold) {
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have->lastReceived = now;
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have->revocationThreshold = rev.threshold();
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return true;
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}
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return false;
|
||||
}
|
||||
|
||||
bool Membership::_revokeTag(const Revocation &rev,const uint64_t now)
|
||||
{
|
||||
_RemoteCredential<Tag> *const *htmp = std::lower_bound(&(_remoteTags[0]),&(_remoteTags[ZT_MAX_NETWORK_TAGS]),(uint64_t)rev.credentialId(),_RemoteCredentialComp<Tag>());
|
||||
_RemoteCredential<Tag> *have = ((htmp != &(_remoteTags[ZT_MAX_NETWORK_TAGS]))&&((*htmp)->id == (uint64_t)rev.credentialId())) ? *htmp : (_RemoteCredential<Tag> *)0;
|
||||
if (!have) have = _newTag(rev.credentialId());
|
||||
if (rev.threshold() > have->revocationThreshold) {
|
||||
have->lastReceived = now;
|
||||
have->revocationThreshold = rev.threshold();
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
bool Membership::_revokeCoo(const Revocation &rev,const uint64_t now)
|
||||
{
|
||||
_RemoteCredential<CertificateOfOwnership> *const *htmp = std::lower_bound(&(_remoteCoos[0]),&(_remoteCoos[ZT_MAX_CERTIFICATES_OF_OWNERSHIP]),(uint64_t)rev.credentialId(),_RemoteCredentialComp<CertificateOfOwnership>());
|
||||
_RemoteCredential<CertificateOfOwnership> *have = ((htmp != &(_remoteCoos[ZT_MAX_CERTIFICATES_OF_OWNERSHIP]))&&((*htmp)->id == (uint64_t)rev.credentialId())) ? *htmp : (_RemoteCredential<CertificateOfOwnership> *)0;
|
||||
if (!have) have = _newCoo(rev.credentialId());
|
||||
if (rev.threshold() > have->revocationThreshold) {
|
||||
have->lastReceived = now;
|
||||
have->revocationThreshold = rev.threshold();
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
} // namespace ZeroTier
|
||||
|
||||
@ -23,6 +23,8 @@
|
||||
|
||||
#include "Constants.hpp"
|
||||
#include "../include/ZeroTierOne.h"
|
||||
#include "Credential.hpp"
|
||||
#include "Hashtable.hpp"
|
||||
#include "CertificateOfMembership.hpp"
|
||||
#include "Capability.hpp"
|
||||
#include "Tag.hpp"
|
||||
@ -49,29 +51,17 @@ private:
|
||||
template<typename T>
|
||||
struct _RemoteCredential
|
||||
{
|
||||
_RemoteCredential() : id(ZT_MEMBERSHIP_CRED_ID_UNUSED),lastReceived(0),revocationThreshold(0) {}
|
||||
uint64_t id;
|
||||
_RemoteCredential() : lastReceived(0),revocationThreshold(0),credential() {}
|
||||
uint64_t lastReceived; // last time we got this credential
|
||||
uint64_t revocationThreshold; // credentials before this time are invalid
|
||||
T credential;
|
||||
inline bool operator<(const _RemoteCredential &c) const { return (id < c.id); }
|
||||
};
|
||||
|
||||
template<typename T>
|
||||
struct _RemoteCredentialComp
|
||||
{
|
||||
inline bool operator()(const _RemoteCredential<T> *a,const _RemoteCredential<T> *b) const { return (a->id < b->id); }
|
||||
inline bool operator()(const uint64_t a,const _RemoteCredential<T> *b) const { return (a < b->id); }
|
||||
inline bool operator()(const _RemoteCredential<T> *a,const uint64_t b) const { return (a->id < b); }
|
||||
inline bool operator()(const uint64_t a,const uint64_t b) const { return (a < b); }
|
||||
};
|
||||
|
||||
// Used to track push state for network config tags[] and capabilities[] entries
|
||||
struct _LocalCredentialPushState
|
||||
{
|
||||
_LocalCredentialPushState() : lastPushed(0),id(0) {}
|
||||
uint64_t lastPushed; // last time we sent our own copy of this credential
|
||||
uint64_t id;
|
||||
uint32_t id;
|
||||
};
|
||||
|
||||
public:
|
||||
@ -83,72 +73,6 @@ public:
|
||||
ADD_DEFERRED_FOR_WHOIS
|
||||
};
|
||||
|
||||
/**
|
||||
* Iterator to scan forward through capabilities in ascending order of ID
|
||||
*/
|
||||
class CapabilityIterator
|
||||
{
|
||||
public:
|
||||
CapabilityIterator(const Membership &m,const NetworkConfig &nconf) :
|
||||
_m(&m),
|
||||
_c(&nconf),
|
||||
_i(&(m._remoteCaps[0])) {}
|
||||
|
||||
inline const Capability *next()
|
||||
{
|
||||
for(;;) {
|
||||
if ((_i != &(_m->_remoteCaps[ZT_MAX_NETWORK_CAPABILITIES]))&&((*_i)->id != ZT_MEMBERSHIP_CRED_ID_UNUSED)) {
|
||||
const Capability *tmp = &((*_i)->credential);
|
||||
if (_m->_isCredentialTimestampValid(*_c,**_i)) {
|
||||
++_i;
|
||||
return tmp;
|
||||
} else ++_i;
|
||||
} else {
|
||||
return (const Capability *)0;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private:
|
||||
const Membership *_m;
|
||||
const NetworkConfig *_c;
|
||||
const _RemoteCredential<Capability> *const *_i;
|
||||
};
|
||||
friend class CapabilityIterator;
|
||||
|
||||
/**
|
||||
* Iterator to scan forward through tags in ascending order of ID
|
||||
*/
|
||||
class TagIterator
|
||||
{
|
||||
public:
|
||||
TagIterator(const Membership &m,const NetworkConfig &nconf) :
|
||||
_m(&m),
|
||||
_c(&nconf),
|
||||
_i(&(m._remoteTags[0])) {}
|
||||
|
||||
inline const Tag *next()
|
||||
{
|
||||
for(;;) {
|
||||
if ((_i != &(_m->_remoteTags[ZT_MAX_NETWORK_TAGS]))&&((*_i)->id != ZT_MEMBERSHIP_CRED_ID_UNUSED)) {
|
||||
const Tag *tmp = &((*_i)->credential);
|
||||
if (_m->_isCredentialTimestampValid(*_c,**_i)) {
|
||||
++_i;
|
||||
return tmp;
|
||||
} else ++_i;
|
||||
} else {
|
||||
return (const Tag *)0;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private:
|
||||
const Membership *_m;
|
||||
const NetworkConfig *_c;
|
||||
const _RemoteCredential<Tag> *const *_i;
|
||||
};
|
||||
friend class TagIterator;
|
||||
|
||||
Membership();
|
||||
|
||||
/**
|
||||
@ -190,10 +114,8 @@ public:
|
||||
*/
|
||||
inline bool isAllowedOnNetwork(const NetworkConfig &nconf) const
|
||||
{
|
||||
if (nconf.isPublic())
|
||||
return true;
|
||||
if (_com.timestamp().first <= _comRevocationThreshold)
|
||||
return false;
|
||||
if (nconf.isPublic()) return true;
|
||||
if (_com.timestamp() <= _comRevocationThreshold) return false;
|
||||
return nconf.com.agreesWith(_com);
|
||||
}
|
||||
|
||||
@ -206,23 +128,30 @@ public:
|
||||
* @return True if this peer has a certificate of ownership for the given resource
|
||||
*/
|
||||
template<typename T>
|
||||
inline bool hasCertificateOfOwnershipFor(const NetworkConfig &nconf,const T &r) const
|
||||
inline bool hasCertificateOfOwnershipFor(const NetworkConfig &nconf,const T &r)
|
||||
{
|
||||
for(unsigned int i=0;i<ZT_MAX_CERTIFICATES_OF_OWNERSHIP;++i) {
|
||||
if (_remoteCoos[i]->id == ZT_MEMBERSHIP_CRED_ID_UNUSED)
|
||||
break;
|
||||
if ((_isCredentialTimestampValid(nconf,*_remoteCoos[i]))&&(_remoteCoos[i]->credential.owns(r)))
|
||||
uint32_t *k = (uint32_t *)0;
|
||||
CertificateOfOwnership *v = (CertificateOfOwnership *)0;
|
||||
Hashtable< uint32_t,CertificateOfOwnership >::Iterator i(_remoteCoos);
|
||||
while (i.next(k,v)) {
|
||||
if (_isCredentialTimestampValid(nconf,*v)&&(v->owns(r)))
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get a remote member's tag (if we have it)
|
||||
*
|
||||
* @param nconf Network configuration
|
||||
* @param id Tag ID
|
||||
* @return Pointer to tag or NULL if not found
|
||||
*/
|
||||
const Tag *getTag(const NetworkConfig &nconf,const uint32_t id) const;
|
||||
inline const Tag *getTag(const NetworkConfig &nconf,const uint32_t id) const
|
||||
{
|
||||
const Tag *const t = _remoteTags.get(id);
|
||||
return (((t)&&(_isCredentialTimestampValid(nconf,*t))) ? t : (Tag *)0);
|
||||
}
|
||||
|
||||
/**
|
||||
* Validate and add a credential if signature is okay and it's otherwise good
|
||||
@ -242,29 +171,32 @@ public:
|
||||
/**
|
||||
* Validate and add a credential if signature is okay and it's otherwise good
|
||||
*/
|
||||
AddCredentialResult addCredential(const RuntimeEnvironment *RR,void *tPtr,const NetworkConfig &nconf,const Revocation &rev);
|
||||
AddCredentialResult addCredential(const RuntimeEnvironment *RR,void *tPtr,const NetworkConfig &nconf,const CertificateOfOwnership &coo);
|
||||
|
||||
/**
|
||||
* Validate and add a credential if signature is okay and it's otherwise good
|
||||
*/
|
||||
AddCredentialResult addCredential(const RuntimeEnvironment *RR,void *tPtr,const NetworkConfig &nconf,const CertificateOfOwnership &coo);
|
||||
AddCredentialResult addCredential(const RuntimeEnvironment *RR,void *tPtr,const NetworkConfig &nconf,const Revocation &rev);
|
||||
|
||||
/**
|
||||
* Generates a key for the internal revocation tracking hash table
|
||||
*
|
||||
* @param t Credential type
|
||||
* @param i Credential ID
|
||||
* @return Key for tracking revocations of this credential
|
||||
*/
|
||||
static uint64_t revocationKey(const Credential::Type &t,const uint32_t i) { return (((uint64_t)t << 32) | (uint64_t)i); }
|
||||
|
||||
private:
|
||||
_RemoteCredential<Tag> *_newTag(const uint64_t id);
|
||||
_RemoteCredential<Capability> *_newCapability(const uint64_t id);
|
||||
_RemoteCredential<CertificateOfOwnership> *_newCoo(const uint64_t id);
|
||||
bool _revokeCom(const Revocation &rev);
|
||||
bool _revokeCap(const Revocation &rev,const uint64_t now);
|
||||
bool _revokeTag(const Revocation &rev,const uint64_t now);
|
||||
bool _revokeCoo(const Revocation &rev,const uint64_t now);
|
||||
|
||||
template<typename C>
|
||||
inline bool _isCredentialTimestampValid(const NetworkConfig &nconf,const _RemoteCredential<C> &remoteCredential) const
|
||||
inline bool _isCredentialTimestampValid(const NetworkConfig &nconf,const C &remoteCredential) const
|
||||
{
|
||||
if (!remoteCredential.lastReceived)
|
||||
const uint64_t ts = remoteCredential.timestamp();
|
||||
if (((ts >= nconf.timestamp) ? (ts - nconf.timestamp) : (nconf.timestamp - ts)) <= nconf.credentialTimeMaxDelta) {
|
||||
const uint64_t *threshold = _revocations.get(revocationKey(C::credentialType(),remoteCredential.id()));
|
||||
return ((!threshold)||(ts > *threshold));
|
||||
}
|
||||
return false;
|
||||
const uint64_t ts = remoteCredential.credential.timestamp();
|
||||
return ( (((ts >= nconf.timestamp) ? (ts - nconf.timestamp) : (nconf.timestamp - ts)) <= nconf.credentialTimeMaxDelta) && (ts > remoteCredential.revocationThreshold) );
|
||||
}
|
||||
|
||||
// Last time we pushed MULTICAST_LIKE(s)
|
||||
@ -279,15 +211,13 @@ private:
|
||||
// Remote member's latest network COM
|
||||
CertificateOfMembership _com;
|
||||
|
||||
// Sorted (in ascending order of ID) arrays of pointers to remote credentials
|
||||
_RemoteCredential<Tag> *_remoteTags[ZT_MAX_NETWORK_TAGS];
|
||||
_RemoteCredential<Capability> *_remoteCaps[ZT_MAX_NETWORK_CAPABILITIES];
|
||||
_RemoteCredential<CertificateOfOwnership> *_remoteCoos[ZT_MAX_CERTIFICATES_OF_OWNERSHIP];
|
||||
// Revocations
|
||||
Hashtable< uint64_t,uint64_t > _revocations;
|
||||
|
||||
// This is the RAM allocated for remote credential cache objects
|
||||
_RemoteCredential<Tag> _tagMem[ZT_MAX_NETWORK_TAGS];
|
||||
_RemoteCredential<Capability> _capMem[ZT_MAX_NETWORK_CAPABILITIES];
|
||||
_RemoteCredential<CertificateOfOwnership> _cooMem[ZT_MAX_CERTIFICATES_OF_OWNERSHIP];
|
||||
// Remote credentials and credential state
|
||||
Hashtable< uint32_t,Tag > _remoteTags;
|
||||
Hashtable< uint32_t,Capability > _remoteCaps;
|
||||
Hashtable< uint32_t,CertificateOfOwnership > _remoteCoos;
|
||||
|
||||
// Local credential push state tracking
|
||||
_LocalCredentialPushState _localTags[ZT_MAX_NETWORK_TAGS];
|
||||
|
||||
Loading…
Reference in New Issue
Block a user