Logic simplification, cleanup, and memory use improvements in Membership. Also fix an issue that may cause network instability in some cases.

This commit is contained in:
Adam Ierymenko 2017-04-04 08:07:38 -07:00
parent 8a62ba07e5
commit eddbc7e757
10 changed files with 175 additions and 124 deletions

View File

@ -665,7 +665,7 @@ unsigned int EmbeddedNetworkController::handleControlPlaneHttpPOST(
// Member is being de-authorized, so spray Revocation objects to all online members
if (!newAuth) {
_clearNetworkMemberInfoCache(nwid);
Revocation rev(_node->prng(),nwid,0,now,ZT_REVOCATION_FLAG_FAST_PROPAGATE,Address(address),Revocation::CREDENTIAL_TYPE_COM);
Revocation rev((uint32_t)_node->prng(),nwid,0,now,ZT_REVOCATION_FLAG_FAST_PROPAGATE,Address(address),Revocation::CREDENTIAL_TYPE_COM);
rev.sign(_signingId);
Mutex::Lock _l(_lastRequestTime_m);
for(std::map< std::pair<uint64_t,uint64_t>,uint64_t >::iterator i(_lastRequestTime.begin());i!=_lastRequestTime.end();++i) {

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@ -24,6 +24,7 @@
#include <string.h>
#include "Constants.hpp"
#include "Credential.hpp"
#include "Address.hpp"
#include "C25519.hpp"
#include "Utils.hpp"
@ -58,9 +59,11 @@ class RuntimeEnvironment;
* handed off between nodes. Limited transferrability of capabilities is
* a feature of true capability based security.
*/
class Capability
class Capability : public Credential
{
public:
static inline Credential::Type credentialType() { return Credential::CREDENTIAL_TYPE_CAPABILITY; }
Capability()
{
memset(this,0,sizeof(Capability));

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@ -27,6 +27,7 @@
#include <algorithm>
#include "Constants.hpp"
#include "Credential.hpp"
#include "Buffer.hpp"
#include "Address.hpp"
#include "C25519.hpp"
@ -68,9 +69,11 @@ class RuntimeEnvironment;
* This is a memcpy()'able structure and is safe (in a crash sense) to modify
* without locks.
*/
class CertificateOfMembership
class CertificateOfMembership : public Credential
{
public:
static inline Credential::Type credentialType() { return Credential::CREDENTIAL_TYPE_COM; }
/**
* Reserved qualifier IDs
*
@ -155,18 +158,23 @@ public:
/**
* @return True if there's something here
*/
inline operator bool() const throw() { return (_qualifierCount != 0); }
inline operator bool() const { return (_qualifierCount != 0); }
/**
* @return Credential ID, always 0 for COMs
*/
inline uint32_t id() const { return 0; }
/**
* @return Timestamp for this cert and maximum delta for timestamp
*/
inline std::pair<uint64_t,uint64_t> timestamp() const
inline uint64_t timestamp() const
{
for(unsigned int i=0;i<_qualifierCount;++i) {
if (_qualifiers[i].id == COM_RESERVED_ID_TIMESTAMP)
return std::pair<uint64_t,uint64_t>(_qualifiers[i].value,_qualifiers[i].maxDelta);
return _qualifiers[i].value;
}
return std::pair<uint64_t,uint64_t>(0ULL,0ULL);
return 0;
}
/**
@ -258,12 +266,12 @@ public:
/**
* @return True if signed
*/
inline bool isSigned() const throw() { return (_signedBy); }
inline bool isSigned() const { return (_signedBy); }
/**
* @return Address that signed this certificate or null address if none
*/
inline const Address &signedBy() const throw() { return _signedBy; }
inline const Address &signedBy() const { return _signedBy; }
template<unsigned int C>
inline void serialize(Buffer<C> &b) const
@ -321,7 +329,6 @@ public:
}
inline bool operator==(const CertificateOfMembership &c) const
throw()
{
if (_signedBy != c._signedBy)
return false;
@ -335,7 +342,7 @@ public:
}
return (_signature == c._signature);
}
inline bool operator!=(const CertificateOfMembership &c) const throw() { return (!(*this == c)); }
inline bool operator!=(const CertificateOfMembership &c) const { return (!(*this == c)); }
private:
struct _Qualifier

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@ -25,6 +25,7 @@
#include <string.h>
#include "Constants.hpp"
#include "Credential.hpp"
#include "C25519.hpp"
#include "Address.hpp"
#include "Identity.hpp"
@ -45,9 +46,11 @@ class RuntimeEnvironment;
/**
* Certificate indicating ownership of a network identifier
*/
class CertificateOfOwnership
class CertificateOfOwnership : public Credential
{
public:
static inline Credential::Type credentialType() { return Credential::CREDENTIAL_TYPE_COO; }
enum Thing
{
THING_NULL = 0,

View File

@ -20,6 +20,7 @@
#define ZT_CERTIFICATEOFREPRESENTATION_HPP
#include "Constants.hpp"
#include "Credential.hpp"
#include "Address.hpp"
#include "C25519.hpp"
#include "Identity.hpp"
@ -47,14 +48,17 @@ namespace ZeroTier {
* roots can shield nodes entirely and p2p connectivity behind them can
* be disabled. This will be desirable for a number of use cases.
*/
class CertificateOfRepresentation
class CertificateOfRepresentation : public Credential
{
public:
static inline Credential::Type credentialType() { return Credential::CREDENTIAL_TYPE_COR; }
CertificateOfRepresentation()
{
memset(this,0,sizeof(CertificateOfRepresentation));
}
inline uint32_t id() const { return 0; }
inline uint64_t timestamp() const { return _timestamp; }
inline const Address &representative(const unsigned int i) const { return _reps[i]; }
inline unsigned int repCount() const { return _repCount; }

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@ -39,6 +39,7 @@ Membership::Membership() :
_remoteCaps(4),
_remoteCoos(4)
{
resetPushState();
}
void Membership::pushCredentials(const RuntimeEnvironment *RR,void *tPtr,const uint64_t now,const Address &peerAddress,const NetworkConfig &nconf,int localCapabilityIndex,const bool force)
@ -48,18 +49,16 @@ void Membership::pushCredentials(const RuntimeEnvironment *RR,void *tPtr,const u
const Capability *sendCap;
if (localCapabilityIndex >= 0) {
sendCap = &(nconf.capabilities[localCapabilityIndex]);
if ( (_localCaps[localCapabilityIndex].id != sendCap->id()) || ((now - _localCaps[localCapabilityIndex].lastPushed) >= ZT_CREDENTIAL_PUSH_EVERY) || (force) ) {
_localCaps[localCapabilityIndex].lastPushed = now;
_localCaps[localCapabilityIndex].id = sendCap->id();
} else sendCap = (const Capability *)0;
if ( ((now - _localCredLastPushed.cap[localCapabilityIndex]) >= ZT_CREDENTIAL_PUSH_EVERY) || (force) )
_localCredLastPushed.cap[localCapabilityIndex] = now;
else sendCap = (const Capability *)0;
} else sendCap = (const Capability *)0;
const Tag *sendTags[ZT_MAX_NETWORK_TAGS];
unsigned int sendTagCount = 0;
for(unsigned int t=0;t<nconf.tagCount;++t) {
if ( (_localTags[t].id != nconf.tags[t].id()) || ((now - _localTags[t].lastPushed) >= ZT_CREDENTIAL_PUSH_EVERY) || (force) ) {
_localTags[t].lastPushed = now;
_localTags[t].id = nconf.tags[t].id();
if ( ((now - _localCredLastPushed.tag[t]) >= ZT_CREDENTIAL_PUSH_EVERY) || (force) ) {
_localCredLastPushed.tag[t] = now;
sendTags[sendTagCount++] = &(nconf.tags[t]);
}
}
@ -67,9 +66,8 @@ void Membership::pushCredentials(const RuntimeEnvironment *RR,void *tPtr,const u
const CertificateOfOwnership *sendCoos[ZT_MAX_CERTIFICATES_OF_OWNERSHIP];
unsigned int sendCooCount = 0;
for(unsigned int c=0;c<nconf.certificateOfOwnershipCount;++c) {
if ( (_localCoos[c].id != nconf.certificatesOfOwnership[c].id()) || ((now - _localCoos[c].lastPushed) >= ZT_CREDENTIAL_PUSH_EVERY) || (force) ) {
_localCoos[c].lastPushed = now;
_localCoos[c].id = nconf.certificatesOfOwnership[c].id();
if ( ((now - _localCredLastPushed.coo[c]) >= ZT_CREDENTIAL_PUSH_EVERY) || (force) ) {
_localCredLastPushed.coo[c] = now;
sendCoos[sendCooCount++] = &(nconf.certificatesOfOwnership[c]);
}
}
@ -149,7 +147,7 @@ Membership::AddCredentialResult Membership::addCredential(const RuntimeEnvironme
}
}
// Template out addCredential() for most cred types to avoid copypasta
// Template out addCredential() for many cred types to avoid copypasta
template<typename C>
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)
{
@ -165,7 +163,7 @@ static Membership::AddCredentialResult _addCredImpl(Hashtable<uint32_t,C> &remot
}
}
const uint64_t *rt = revocations.get(Membership::revocationKey(C::credentialType(),cred.id()));
const uint64_t *const rt = revocations.get(Membership::credentialKey(C::credentialType(),cred.id()));
if ((rt)&&(*rt >= cred.timestamp())) {
TRACE("addCredential(type==%d) for %s on %.16llx REJECTED (timestamp below revocation threshold)",(int)C::credentialType(),cred.issuedTo().toString().c_str(),cred.networkId());
return Membership::ADD_REJECTED;
@ -186,20 +184,9 @@ static Membership::AddCredentialResult _addCredImpl(Hashtable<uint32_t,C> &remot
}
}
Membership::AddCredentialResult Membership::addCredential(const RuntimeEnvironment *RR,void *tPtr,const NetworkConfig &nconf,const Tag &tag)
{
return _addCredImpl<Tag>(_remoteTags,_revocations,RR,tPtr,nconf,tag);
}
Membership::AddCredentialResult Membership::addCredential(const RuntimeEnvironment *RR,void *tPtr,const NetworkConfig &nconf,const Capability &cap)
{
return _addCredImpl<Capability>(_remoteCaps,_revocations,RR,tPtr,nconf,cap);
}
Membership::AddCredentialResult Membership::addCredential(const RuntimeEnvironment *RR,void *tPtr,const NetworkConfig &nconf,const CertificateOfOwnership &coo)
{
return _addCredImpl<CertificateOfOwnership>(_remoteCoos,_revocations,RR,tPtr,nconf,coo);
}
Membership::AddCredentialResult Membership::addCredential(const RuntimeEnvironment *RR,void *tPtr,const NetworkConfig &nconf,const Tag &tag) { return _addCredImpl<Tag>(_remoteTags,_revocations,RR,tPtr,nconf,tag); }
Membership::AddCredentialResult Membership::addCredential(const RuntimeEnvironment *RR,void *tPtr,const NetworkConfig &nconf,const Capability &cap) { return _addCredImpl<Capability>(_remoteCaps,_revocations,RR,tPtr,nconf,cap); }
Membership::AddCredentialResult Membership::addCredential(const RuntimeEnvironment *RR,void *tPtr,const NetworkConfig &nconf,const CertificateOfOwnership &coo) { return _addCredImpl<CertificateOfOwnership>(_remoteCoos,_revocations,RR,tPtr,nconf,coo); }
Membership::AddCredentialResult Membership::addCredential(const RuntimeEnvironment *RR,void *tPtr,const NetworkConfig &nconf,const Revocation &rev)
{
@ -219,7 +206,7 @@ Membership::AddCredentialResult Membership::addCredential(const RuntimeEnvironme
case Credential::CREDENTIAL_TYPE_CAPABILITY:
case Credential::CREDENTIAL_TYPE_TAG:
case Credential::CREDENTIAL_TYPE_COO:
rt = &(_revocations[revocationKey(ct,rev.credentialId())]);
rt = &(_revocations[credentialKey(ct,rev.credentialId())]);
if (*rt < rev.threshold()) {
*rt = rev.threshold();
return ADD_ACCEPTED_NEW;
@ -234,4 +221,11 @@ Membership::AddCredentialResult Membership::addCredential(const RuntimeEnvironme
}
}
void Membership::clean(const uint64_t now,const NetworkConfig &nconf)
{
_cleanCredImpl<Tag>(nconf,_remoteTags);
_cleanCredImpl<Capability>(nconf,_remoteCaps);
_cleanCredImpl<CertificateOfOwnership>(nconf,_remoteCoos);
}
} // namespace ZeroTier

View File

@ -47,23 +47,6 @@ class Network;
*/
class Membership
{
private:
template<typename T>
struct _RemoteCredential
{
_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;
};
struct _LocalCredentialPushState
{
_LocalCredentialPushState() : lastPushed(0),id(0) {}
uint64_t lastPushed; // last time we sent our own copy of this credential
uint32_t id;
};
public:
enum AddCredentialResult
{
@ -92,19 +75,19 @@ public:
void pushCredentials(const RuntimeEnvironment *RR,void *tPtr,const uint64_t now,const Address &peerAddress,const NetworkConfig &nconf,int localCapabilityIndex,const bool force);
/**
* Check whether we should push MULTICAST_LIKEs to this peer
* Check whether we should push MULTICAST_LIKEs to this peer, and update last sent time if true
*
* @param now Current time
* @return True if we should update multicasts
*/
inline bool shouldLikeMulticasts(const uint64_t now) const { return ((now - _lastUpdatedMulticast) >= ZT_MULTICAST_ANNOUNCE_PERIOD); }
/**
* Set time we last updated multicasts for this peer
*
* @param now Current time
*/
inline void likingMulticasts(const uint64_t now) { _lastUpdatedMulticast = now; }
inline bool multicastLikeGate(const uint64_t now)
{
if ((now - _lastUpdatedMulticast) >= ZT_MULTICAST_ANNOUNCE_PERIOD) {
_lastUpdatedMulticast = now;
return true;
}
return false;
}
/**
* Check whether the peer represented by this Membership should be allowed on this network at all
@ -128,11 +111,11 @@ 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)
inline bool hasCertificateOfOwnershipFor(const NetworkConfig &nconf,const T &r) const
{
uint32_t *k = (uint32_t *)0;
CertificateOfOwnership *v = (CertificateOfOwnership *)0;
Hashtable< uint32_t,CertificateOfOwnership >::Iterator i(_remoteCoos);
Hashtable< uint32_t,CertificateOfOwnership >::Iterator i(*(const_cast< Hashtable< uint32_t,CertificateOfOwnership> *>(&_remoteCoos)));
while (i.next(k,v)) {
if (_isCredentialTimestampValid(nconf,*v)&&(v->owns(r)))
return true;
@ -179,13 +162,28 @@ public:
AddCredentialResult addCredential(const RuntimeEnvironment *RR,void *tPtr,const NetworkConfig &nconf,const Revocation &rev);
/**
* Generates a key for the internal revocation tracking hash table
* Clean internal databases of stale entries
*
* @param t Credential type
* @param i Credential ID
* @return Key for tracking revocations of this credential
* @param now Current time
* @param nconf Current network configuration
*/
static uint64_t revocationKey(const Credential::Type &t,const uint32_t i) { return (((uint64_t)t << 32) | (uint64_t)i); }
void clean(const uint64_t now,const NetworkConfig &nconf);
/**
* Reset last pushed time for local credentials
*
* This is done when we update our network configuration and our credentials have changed
*/
inline void resetPushState()
{
_lastPushedCom = 0;
memset(&_localCredLastPushed,0,sizeof(_localCredLastPushed));
}
/**
* Generates a key for the internal use in indexing credentials by type and credential ID
*/
static uint64_t credentialKey(const Credential::Type &t,const uint32_t i) { return (((uint64_t)t << 32) | (uint64_t)i); }
private:
template<typename C>
@ -193,12 +191,24 @@ private:
{
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()));
const uint64_t *threshold = _revocations.get(credentialKey(C::credentialType(),remoteCredential.id()));
return ((!threshold)||(ts > *threshold));
}
return false;
}
template<typename C>
void _cleanCredImpl(const NetworkConfig &nconf,Hashtable<uint32_t,C> &remoteCreds)
{
uint32_t *k = (uint32_t *)0;
C *v = (C *)0;
typename Hashtable<uint32_t,C>::Iterator i(remoteCreds);
while (i.next(k,v)) {
if (!_isCredentialTimestampValid(nconf,*v))
remoteCreds.erase(*k);
}
}
// Last time we pushed MULTICAST_LIKE(s)
uint64_t _lastUpdatedMulticast;
@ -211,18 +221,46 @@ private:
// Remote member's latest network COM
CertificateOfMembership _com;
// Revocations
// Revocations by credentialKey()
Hashtable< uint64_t,uint64_t > _revocations;
// Remote credentials and credential state
// Remote credentials that we have received from this member (and that are valid)
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];
_LocalCredentialPushState _localCaps[ZT_MAX_NETWORK_CAPABILITIES];
_LocalCredentialPushState _localCoos[ZT_MAX_CERTIFICATES_OF_OWNERSHIP];
// Time we last pushed our local credentials to this member
struct {
uint64_t tag[ZT_MAX_NETWORK_TAGS];
uint64_t cap[ZT_MAX_NETWORK_CAPABILITIES];
uint64_t coo[ZT_MAX_CERTIFICATES_OF_OWNERSHIP];
} _localCredLastPushed;
public:
class CapabilityIterator
{
public:
CapabilityIterator(Membership &m,const NetworkConfig &nconf) :
_hti(m._remoteCaps),
_k((uint32_t *)0),
_c((Capability *)0),
_nconf(nconf)
{
}
inline Capability *next()
{
if (_hti.next(_k,_c))
return _c;
else return (Capability *)0;
}
private:
Hashtable< uint32_t,Capability >::Iterator _hti;
uint32_t *_k;
Capability *_c;
const NetworkConfig &_nconf;
};
};
} // namespace ZeroTier

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@ -534,9 +534,9 @@ static _doZtFilterResult _doZtFilter(
}
if (inbound) {
if (membership) {
if ((src)&&(membership->hasCertificateOfOwnershipFor(nconf,src)))
if ((src)&&(membership->hasCertificateOfOwnershipFor<InetAddress>(nconf,src)))
ownershipVerificationMask |= ZT_RULE_PACKET_CHARACTERISTICS_SENDER_IP_AUTHENTICATED;
if (membership->hasCertificateOfOwnershipFor(nconf,macSource))
if (membership->hasCertificateOfOwnershipFor<MAC>(nconf,macSource))
ownershipVerificationMask |= ZT_RULE_PACKET_CHARACTERISTICS_SENDER_MAC_AUTHENTICATED;
}
} else {
@ -1143,21 +1143,31 @@ int Network::setConfiguration(void *tPtr,const NetworkConfig &nconf,bool saveToD
// _lock is NOT locked when this is called
try {
if ((nconf.issuedTo != RR->identity.address())||(nconf.networkId != _id))
return 0;
return 0; // invalid config that is not for us or not for this network
if (_config == nconf)
return 1; // OK config, but duplicate of what we already have
ZT_VirtualNetworkConfig ctmp;
bool oldPortInitialized;
{
{ // do things that require lock here, but unlock before calling callbacks
Mutex::Lock _l(_lock);
_config = nconf;
_lastConfigUpdate = RR->node->now();
_netconfFailure = NETCONF_FAILURE_NONE;
oldPortInitialized = _portInitialized;
_portInitialized = true;
_externalConfig(&ctmp);
Address *a = (Address *)0;
Membership *m = (Membership *)0;
Hashtable<Address,Membership>::Iterator i(_memberships);
while (i.next(a,m))
m->resetPushState();
}
_portError = RR->node->configureVirtualNetworkPort(tPtr,_id,&_uPtr,(oldPortInitialized) ? ZT_VIRTUAL_NETWORK_CONFIG_OPERATION_CONFIG_UPDATE : ZT_VIRTUAL_NETWORK_CONFIG_OPERATION_UP,&ctmp);
if (saveToDisk) {
@ -1299,10 +1309,9 @@ bool Network::gate(void *tPtr,const SharedPtr<Peer> &peer)
if ( (_config.isPublic()) || ((m)&&(m->isAllowedOnNetwork(_config))) ) {
if (!m)
m = &(_membership(peer->address()));
if (m->shouldLikeMulticasts(now)) {
if (m->multicastLikeGate(now)) {
m->pushCredentials(RR,tPtr,now,peer->address(),_config,-1,false);
_announceMulticastGroupsTo(tPtr,peer->address(),_allMulticastGroups());
m->likingMulticasts(now);
}
return true;
}
@ -1338,6 +1347,7 @@ void Network::clean()
while (i.next(a,m)) {
if (!RR->topology->getPeerNoCache(*a))
_memberships.erase(*a);
else m->clean(now,_config);
}
}
}
@ -1546,8 +1556,7 @@ void Network::_sendUpdatesToMembers(void *tPtr,const MulticastGroup *const newMu
}
// Make sure that all "network anchors" have Membership records so we will
// push multicasts to them. Note that _membership() also does this but in a
// piecemeal on-demand fashion.
// push multicasts to them.
const std::vector<Address> anchors(_config.anchors());
for(std::vector<Address>::const_iterator a(anchors.begin());a!=anchors.end();++a)
_membership(*a);
@ -1559,11 +1568,8 @@ void Network::_sendUpdatesToMembers(void *tPtr,const MulticastGroup *const newMu
Hashtable<Address,Membership>::Iterator i(_memberships);
while (i.next(a,m)) {
m->pushCredentials(RR,tPtr,now,*a,_config,-1,false);
if ( ((newMulticastGroup)||(m->shouldLikeMulticasts(now))) && (m->isAllowedOnNetwork(_config)) ) {
if (!newMulticastGroup)
m->likingMulticasts(now);
if ( ( m->multicastLikeGate(now) || (newMulticastGroup) ) && (m->isAllowedOnNetwork(_config)) )
_announceMulticastGroupsTo(tPtr,*a,groups);
}
}
}
}

View File

@ -26,6 +26,7 @@
#include "Constants.hpp"
#include "../include/ZeroTierOne.h"
#include "Credential.hpp"
#include "Address.hpp"
#include "C25519.hpp"
#include "Utils.hpp"
@ -44,20 +45,10 @@ class RuntimeEnvironment;
/**
* Revocation certificate to instantaneously revoke a COM, capability, or tag
*/
class Revocation
class Revocation : public Credential
{
public:
/**
* Credential type being revoked
*/
enum CredentialType
{
CREDENTIAL_TYPE_NULL = 0,
CREDENTIAL_TYPE_COM = 1, // CertificateOfMembership
CREDENTIAL_TYPE_CAPABILITY = 2,
CREDENTIAL_TYPE_TAG = 3,
CREDENTIAL_TYPE_COO = 4 // CertificateOfOwnership
};
static inline Credential::Type credentialType() { return Credential::CREDENTIAL_TYPE_REVOCATION; }
Revocation()
{
@ -73,23 +64,23 @@ public:
* @param tgt Target node whose credential(s) are being revoked
* @param ct Credential type being revoked
*/
Revocation(const uint64_t i,const uint64_t nwid,const uint64_t cid,const uint64_t thr,const uint64_t fl,const Address &tgt,const CredentialType ct) :
Revocation(const uint32_t i,const uint64_t nwid,const uint32_t cid,const uint64_t thr,const uint64_t fl,const Address &tgt,const Credential::Type ct) :
_id(i),
_networkId(nwid),
_credentialId(cid),
_networkId(nwid),
_threshold(thr),
_flags(fl),
_target(tgt),
_signedBy(),
_type(ct) {}
inline uint64_t id() const { return _id; }
inline uint32_t id() const { return _id; }
inline uint32_t credentialId() const { return _credentialId; }
inline uint64_t networkId() const { return _networkId; }
inline uint64_t credentialId() const { return _credentialId; }
inline uint64_t threshold() const { return _threshold; }
inline const Address &target() const { return _target; }
inline const Address &signer() const { return _signedBy; }
inline CredentialType type() const { return _type; }
inline Credential::Type type() const { return _type; }
inline bool fastPropagate() const { return ((_flags & ZT_REVOCATION_FLAG_FAST_PROPAGATE) != 0); }
@ -123,8 +114,10 @@ public:
{
if (forSign) b.append((uint64_t)0x7f7f7f7f7f7f7f7fULL);
b.append((uint32_t)0); // 4 unused bytes, currently set to 0
b.append(_id);
b.append(_networkId);
b.append((uint32_t)0); // 4 unused bytes, currently set to 0
b.append(_credentialId);
b.append(_threshold);
b.append(_flags);
@ -151,14 +144,16 @@ public:
unsigned int p = startAt;
_id = b.template at<uint64_t>(p); p += 8;
p += 4; // 4 bytes, currently unused
_id = b.template at<uint32_t>(p); p += 4;
_networkId = b.template at<uint64_t>(p); p += 8;
_credentialId = b.template at<uint64_t>(p); p += 8;
p += 4; // 4 bytes, currently unused
_credentialId = b.template at<uint32_t>(p); p += 4;
_threshold = b.template at<uint64_t>(p); p += 8;
_flags = b.template at<uint64_t>(p); p += 8;
_target.setTo(b.field(p,ZT_ADDRESS_LENGTH),ZT_ADDRESS_LENGTH); p += ZT_ADDRESS_LENGTH;
_signedBy.setTo(b.field(p,ZT_ADDRESS_LENGTH),ZT_ADDRESS_LENGTH); p += ZT_ADDRESS_LENGTH;
_type = (CredentialType)b[p++];
_type = (Credential::Type)b[p++];
if (b[p++] == 1) {
if (b.template at<uint16_t>(p) == ZT_C25519_SIGNATURE_LEN) {
@ -178,14 +173,14 @@ public:
}
private:
uint64_t _id;
uint32_t _id;
uint32_t _credentialId;
uint64_t _networkId;
uint64_t _credentialId;
uint64_t _threshold;
uint64_t _flags;
Address _target;
Address _signedBy;
CredentialType _type;
Credential::Type _type;
C25519::Signature _signature;
};

View File

@ -25,6 +25,7 @@
#include <string.h>
#include "Constants.hpp"
#include "Credential.hpp"
#include "C25519.hpp"
#include "Address.hpp"
#include "Identity.hpp"
@ -51,9 +52,11 @@ class RuntimeEnvironment;
* Unlike capabilities tags are signed only by the issuer and are never
* transferrable.
*/
class Tag
class Tag : public Credential
{
public:
static inline Credential::Type credentialType() { return Credential::CREDENTIAL_TYPE_TAG; }
Tag()
{
memset(this,0,sizeof(Tag));
@ -67,19 +70,19 @@ public:
* @param value Tag value
*/
Tag(const uint64_t nwid,const uint64_t ts,const Address &issuedTo,const uint32_t id,const uint32_t value) :
_networkId(nwid),
_ts(ts),
_id(id),
_value(value),
_networkId(nwid),
_ts(ts),
_issuedTo(issuedTo),
_signedBy()
{
}
inline uint64_t networkId() const { return _networkId; }
inline uint64_t timestamp() const { return _ts; }
inline uint32_t id() const { return _id; }
inline const uint32_t &value() const { return _value; }
inline uint64_t networkId() const { return _networkId; }
inline uint64_t timestamp() const { return _ts; }
inline const Address &issuedTo() const { return _issuedTo; }
inline const Address &signedBy() const { return _signedBy; }
@ -115,11 +118,9 @@ public:
{
if (forSign) b.append((uint64_t)0x7f7f7f7f7f7f7f7fULL);
// These are the same between Tag and Capability
b.append(_networkId);
b.append(_ts);
b.append(_id);
b.append(_value);
_issuedTo.appendTo(b);
@ -187,10 +188,10 @@ public:
};
private:
uint64_t _networkId;
uint64_t _ts;
uint32_t _id;
uint32_t _value;
uint64_t _networkId;
uint64_t _ts;
Address _issuedTo;
Address _signedBy;
C25519::Signature _signature;