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-rw-r--r--node/IncomingPacket.cpp15
-rw-r--r--node/Network.cpp6
2 files changed, 11 insertions, 10 deletions
diff --git a/node/IncomingPacket.cpp b/node/IncomingPacket.cpp
index ca609418..aea110d5 100644
--- a/node/IncomingPacket.cpp
+++ b/node/IncomingPacket.cpp
@@ -465,12 +465,13 @@ bool IncomingPacket::_doWHOIS(const RuntimeEnvironment *RR,const SharedPtr<Peer>
{
try {
if (payloadLength() == ZT_ADDRESS_LENGTH) {
- Identity queried(RR->topology->getIdentity(Address(payload(),ZT_ADDRESS_LENGTH)));
- if (queried) {
+ const Address addr(payload(),ZT_ADDRESS_LENGTH);
+ const Identity id(RR->topology->getIdentity(addr));
+ if (id) {
Packet outp(peer->address(),RR->identity.address(),Packet::VERB_OK);
outp.append((unsigned char)Packet::VERB_WHOIS);
outp.append(packetId());
- queried.serialize(outp,false);
+ id.serialize(outp,false);
outp.armor(peer->key(),true);
RR->node->putPacket(_localAddress,_remoteAddress,outp.data(),outp.size());
} else {
@@ -478,6 +479,10 @@ bool IncomingPacket::_doWHOIS(const RuntimeEnvironment *RR,const SharedPtr<Peer>
if (RR->cluster)
RR->cluster->sendDistributedQuery(*this);
#endif
+ if (!RR->topology->amRoot()) {
+ RR->sw->requestWhois(addr);
+ return false; // packet parse will be attempted again if we get a reply from upstream
+ }
}
} else {
TRACE("dropped WHOIS from %s(%s): missing or invalid address",source().toString().c_str(),_remoteAddress.toString().c_str());
@@ -492,7 +497,7 @@ bool IncomingPacket::_doWHOIS(const RuntimeEnvironment *RR,const SharedPtr<Peer>
bool IncomingPacket::_doRENDEZVOUS(const RuntimeEnvironment *RR,const SharedPtr<Peer> &peer)
{
try {
- if (RR->topology->isUpstream(peer->identity())) {
+ if (RR->topology->isUpstream(peer->identity())) { // only upstream peers can tell us to rendezvous, otherwise this opens a potential amplification attack vector
const Address with(field(ZT_PROTO_VERB_RENDEZVOUS_IDX_ZTADDRESS,ZT_ADDRESS_LENGTH),ZT_ADDRESS_LENGTH);
const SharedPtr<Peer> withPeer(RR->topology->getPeer(with));
if (withPeer) {
@@ -501,7 +506,7 @@ bool IncomingPacket::_doRENDEZVOUS(const RuntimeEnvironment *RR,const SharedPtr<
if ((port > 0)&&((addrlen == 4)||(addrlen == 16))) {
peer->received(_localAddress,_remoteAddress,hops(),packetId(),Packet::VERB_RENDEZVOUS,0,Packet::VERB_NOP);
- InetAddress atAddr(field(ZT_PROTO_VERB_RENDEZVOUS_IDX_ADDRESS,addrlen),addrlen,port);
+ const InetAddress atAddr(field(ZT_PROTO_VERB_RENDEZVOUS_IDX_ADDRESS,addrlen),addrlen,port);
TRACE("RENDEZVOUS from %s says %s might be at %s, starting NAT-t",peer->address().toString().c_str(),with.toString().c_str(),atAddr.toString().c_str());
if (RR->node->shouldUsePathForZeroTierTraffic(_localAddress,atAddr))
RR->sw->rendezvous(withPeer,_localAddress,atAddr);
diff --git a/node/Network.cpp b/node/Network.cpp
index d9ad7838..485a598b 100644
--- a/node/Network.cpp
+++ b/node/Network.cpp
@@ -50,10 +50,6 @@ Network::Network(const RuntimeEnvironment *renv,uint64_t nwid,void *uptr) :
{
char confn[128],mcdbn[128];
Utils::snprintf(confn,sizeof(confn),"networks.d/%.16llx.conf",_id);
- Utils::snprintf(mcdbn,sizeof(mcdbn),"networks.d/%.16llx.mcerts",_id);
-
- // These files are no longer used, so clean them.
- RR->node->dataStoreDelete(mcdbn);
if (_id == ZT_TEST_NETWORK_ID) {
applyConfiguration(NetworkConfig::createTestNetworkConfig(RR->identity.address()));
@@ -144,7 +140,7 @@ bool Network::tryAnnounceMulticastGroupsTo(const SharedPtr<Peer> &peer)
if (
(_isAllowed(peer)) ||
(peer->address() == this->controller()) ||
- (RR->topology->isRoot(peer->identity()))
+ (RR->topology->isUpstream(peer->identity()))
) {
_announceMulticastGroupsTo(peer,_allMulticastGroups());
return true;