GitHub issue #990

node/Membership.hpp

@@ -136,7 +136,7 @@ public:
 			if (_isCredentialTimestampValid(nconf,*v)&&(v->owns(r)))
 				return true;
 		}
-		return false;
+		return _isV6NDPEmulated(nconf,r);
 	}
 
 	/**
@@ -191,6 +191,15 @@ public:
 	static uint64_t credentialKey(const Credential::Type &t,const uint32_t i) { return (((uint64_t)t << 32) | (uint64_t)i); }
 
 private:
+	inline bool _isV6NDPEmulated(const NetworkConfig &nconf,const MAC &m) const { return false; }
+	inline bool _isV6NDPEmulated(const NetworkConfig &nconf,const InetAddress &ip) const
+	{
+		if ((ip.isV6())&&(nconf.ndpEmulation())&&((InetAddress::makeIpv66plane(nconf.networkId,nconf.issuedTo.toInt()).ipsEqual(ip))||(InetAddress::makeIpv6rfc4193(nconf.networkId,nconf.issuedTo.toInt()).ipsEqual(ip)))) {
+			return true;
+		}
+		return false;
+	}
+
 	template<typename C>
 	inline bool _isCredentialTimestampValid(const NetworkConfig &nconf,const C &remoteCredential) const
 	{