Add and send certificates of representation to tell people what our valid upstreams are. These are not used yet but will be needed for future privacy modes, etc. Also some cleanup.

node/Peer.cpp

@@ -38,6 +38,7 @@
 namespace ZeroTier {
 
 Peer::Peer(const RuntimeEnvironment *renv,const Identity &myIdentity,const Identity &peerIdentity) :
+	RR(renv),
 	_lastReceive(0),
 	_lastNontrivialReceive(0),
 	_lastTriedMemorizedPath(0),
@@ -50,7 +51,6 @@ Peer::Peer(const RuntimeEnvironment *renv,const Identity &myIdentity,const Ident
 	_lastComRequestSent(0),
 	_lastCredentialsReceived(0),
 	_lastTrustEstablishedPacketReceived(0),
-	RR(renv),
 	_remoteClusterOptimal4(0),
 	_vProto(0),
 	_vMajor(0),
@@ -365,6 +365,11 @@ void Peer::sendHELLO(const InetAddress &localAddr,const InetAddress &atAddress,u
 		outp.append((uint64_t)m->timestamp());
 	}
 
+	const unsigned int corSizeAt = outp.size();
+	outp.addSize(2);
+	RR->topology->appendCertificateOfRepresentation(outp);
+	outp.setAt(corSizeAt,(uint16_t)((outp.size() - corSizeAt) - 2));
+
 	RR->node->expectReplyTo(outp.packetId());
 
 	if (atAddress) {