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This commit is contained in:
Adam Ierymenko 2017-07-06 11:45:22 -07:00
parent 84748aab51
commit f18158a52d
17 changed files with 198 additions and 981 deletions
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59
node/Peer.cpp
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@ -154,25 +154,21 @@ void Peer::received(
if ((path->address().ss_family == AF_INET)&&(_v4Path.p)) {
const struct sockaddr_in *const r = reinterpret_cast<const struct sockaddr_in *>(&(path->address()));
const struct sockaddr_in *const l = reinterpret_cast<const struct sockaddr_in *>(&(_v4Path.p->address()));
const struct sockaddr_in *const rl = reinterpret_cast<const struct sockaddr_in *>(&(path->localAddress()));
const struct sockaddr_in *const ll = reinterpret_cast<const struct sockaddr_in *>(&(_v4Path.p->localAddress()));
if ((r->sin_addr.s_addr == l->sin_addr.s_addr)&&(r->sin_port == l->sin_port)&&(rl->sin_addr.s_addr == ll->sin_addr.s_addr)&&(rl->sin_port == ll->sin_port)) {
if ((r->sin_addr.s_addr == l->sin_addr.s_addr)&&(r->sin_port == l->sin_port)&&(path->localSocket() == _v4Path.p->localSocket())) {
_v4Path.lr = now;
pathAlreadyKnown = true;
}
} else if ((path->address().ss_family == AF_INET6)&&(_v6Path.p)) {
const struct sockaddr_in6 *const r = reinterpret_cast<const struct sockaddr_in6 *>(&(path->address()));
const struct sockaddr_in6 *const l = reinterpret_cast<const struct sockaddr_in6 *>(&(_v6Path.p->address()));
const struct sockaddr_in6 *const rl = reinterpret_cast<const struct sockaddr_in6 *>(&(path->localAddress()));
const struct sockaddr_in6 *const ll = reinterpret_cast<const struct sockaddr_in6 *>(&(_v6Path.p->localAddress()));
if ((!memcmp(r->sin6_addr.s6_addr,l->sin6_addr.s6_addr,16))&&(r->sin6_port == l->sin6_port)&&(!memcmp(rl->sin6_addr.s6_addr,ll->sin6_addr.s6_addr,16))&&(rl->sin6_port == ll->sin6_port)) {
if ((!memcmp(r->sin6_addr.s6_addr,l->sin6_addr.s6_addr,16))&&(r->sin6_port == l->sin6_port)&&(path->localSocket() == _v6Path.p->localSocket())) {
_v6Path.lr = now;
pathAlreadyKnown = true;
}
}
}
if ( (!pathAlreadyKnown) && (RR->node->shouldUsePathForZeroTierTraffic(tPtr,_id.address(),path->localAddress(),path->address())) ) {
if ( (!pathAlreadyKnown) && (RR->node->shouldUsePathForZeroTierTraffic(tPtr,_id.address(),path->localSocket(),path->address())) ) {
Mutex::Lock _l(_paths_m);
_PeerPath *potentialNewPeerPath = (_PeerPath *)0;
if (path->address().ss_family == AF_INET) {
@ -191,7 +187,7 @@ void Peer::received(
_lastWroteState = 0; // force state write now
} else {
TRACE("got %s via unknown path %s(%s), confirming...",Packet::verbString(verb),_id.address().toString().c_str(),path->address().toString().c_str());
attemptToContactAt(tPtr,path->localAddress(),path->address(),now,true,path->nextOutgoingCounter());
attemptToContactAt(tPtr,path->localSocket(),path->address(),now,true,path->nextOutgoingCounter());
path->sent(now);
}
}
@ -318,7 +314,7 @@ SharedPtr<Path> Peer::getBestPath(uint64_t now,bool includeExpired)
return SharedPtr<Path>();
}
void Peer::sendHELLO(void *tPtr,const InetAddress &localAddr,const InetAddress &atAddress,uint64_t now,unsigned int counter)
void Peer::sendHELLO(void *tPtr,const int64_t localSocket,const InetAddress &atAddress,uint64_t now,unsigned int counter)
{
Packet outp(_id.address(),RR->identity.address(),Packet::VERB_HELLO);
@ -360,21 +356,21 @@ void Peer::sendHELLO(void *tPtr,const InetAddress &localAddr,const InetAddress &
if (atAddress) {
outp.armor(_key,false,counter); // false == don't encrypt full payload, but add MAC
RR->node->putPacket(tPtr,localAddr,atAddress,outp.data(),outp.size());
RR->node->putPacket(tPtr,localSocket,atAddress,outp.data(),outp.size());
} else {
RR->sw->send(tPtr,outp,false); // false == don't encrypt full payload, but add MAC
}
}
void Peer::attemptToContactAt(void *tPtr,const InetAddress &localAddr,const InetAddress &atAddress,uint64_t now,bool sendFullHello,unsigned int counter)
void Peer::attemptToContactAt(void *tPtr,const int64_t localSocket,const InetAddress &atAddress,uint64_t now,bool sendFullHello,unsigned int counter)
{
if ( (!sendFullHello) && (_vProto >= 5) && (!((_vMajor == 1)&&(_vMinor == 1)&&(_vRevision == 0))) ) {
Packet outp(_id.address(),RR->identity.address(),Packet::VERB_ECHO);
RR->node->expectReplyTo(outp.packetId());
outp.armor(_key,true,counter);
RR->node->putPacket(tPtr,localAddr,atAddress,outp.data(),outp.size());
RR->node->putPacket(tPtr,localSocket,atAddress,outp.data(),outp.size());
} else {
sendHELLO(tPtr,localAddr,atAddress,now,counter);
sendHELLO(tPtr,localSocket,atAddress,now,counter);
}
}
@ -402,13 +398,13 @@ bool Peer::doPingAndKeepalive(void *tPtr,uint64_t now,int inetAddressFamily)
if (v6lr > v4lr) {
if ( ((now - _v6Path.lr) >= ZT_PEER_PING_PERIOD) || (_v6Path.p->needsHeartbeat(now)) ) {
attemptToContactAt(tPtr,_v6Path.p->localAddress(),_v6Path.p->address(),now,false,_v6Path.p->nextOutgoingCounter());
attemptToContactAt(tPtr,_v6Path.p->localSocket(),_v6Path.p->address(),now,false,_v6Path.p->nextOutgoingCounter());
_v6Path.p->sent(now);
return true;
}
} else if (v4lr) {
if ( ((now - _v4Path.lr) >= ZT_PEER_PING_PERIOD) || (_v4Path.p->needsHeartbeat(now)) ) {
attemptToContactAt(tPtr,_v4Path.p->localAddress(),_v4Path.p->address(),now,false,_v4Path.p->nextOutgoingCounter());
attemptToContactAt(tPtr,_v4Path.p->localSocket(),_v4Path.p->address(),now,false,_v4Path.p->nextOutgoingCounter());
_v4Path.p->sent(now);
return true;
}
@ -416,13 +412,13 @@ bool Peer::doPingAndKeepalive(void *tPtr,uint64_t now,int inetAddressFamily)
} else {
if ( (inetAddressFamily == AF_INET) && ((now - _v4Path.lr) < ZT_PEER_PATH_EXPIRATION) ) {
if ( ((now - _v4Path.lr) >= ZT_PEER_PING_PERIOD) || (_v4Path.p->needsHeartbeat(now)) ) {
attemptToContactAt(tPtr,_v4Path.p->localAddress(),_v4Path.p->address(),now,false,_v4Path.p->nextOutgoingCounter());
attemptToContactAt(tPtr,_v4Path.p->localSocket(),_v4Path.p->address(),now,false,_v4Path.p->nextOutgoingCounter());
_v4Path.p->sent(now);
return true;
}
} else if ( (inetAddressFamily == AF_INET6) && ((now - _v6Path.lr) < ZT_PEER_PATH_EXPIRATION) ) {
if ( ((now - _v6Path.lr) >= ZT_PEER_PING_PERIOD) || (_v6Path.p->needsHeartbeat(now)) ) {
attemptToContactAt(tPtr,_v6Path.p->localAddress(),_v6Path.p->address(),now,false,_v6Path.p->nextOutgoingCounter());
attemptToContactAt(tPtr,_v6Path.p->localSocket(),_v6Path.p->address(),now,false,_v6Path.p->nextOutgoingCounter());
_v6Path.p->sent(now);
return true;
}
@ -456,7 +452,6 @@ void Peer::writeState(void *tPtr,const uint64_t now)
b.append(_v4Path.p->lastIn());
b.append(_v4Path.p->lastTrustEstablishedPacketReceived());
_v4Path.p->address().serialize(b);
_v4Path.p->localAddress().serialize(b);
}
if (_v6Path.lr) {
b.append(_v6Path.lr);
@ -464,7 +459,6 @@ void Peer::writeState(void *tPtr,const uint64_t now)
b.append(_v6Path.p->lastIn());
b.append(_v6Path.p->lastTrustEstablishedPacketReceived());
_v6Path.p->address().serialize(b);
_v6Path.p->localAddress().serialize(b);
}
}
@ -491,7 +485,7 @@ void Peer::writeState(void *tPtr,const uint64_t now)
uint64_t tmp[2];
tmp[0] = _id.address().toInt(); tmp[1] = 0;
RR->node->stateObjectPut(tPtr,ZT_STATE_OBJECT_PEER_STATE,tmp,b.data(),b.size());
//RR->node->stateObjectPut(tPtr,ZT_STATE_OBJECT_PEER_STATE,tmp,b.data(),b.size());
_lastWroteState = now;
} catch ( ... ) {} // sanity check, should not be possible
@ -522,22 +516,19 @@ bool Peer::applyStateUpdate(const void *data,unsigned int len)
const uint64_t lastOut = b.at<uint64_t>(ptr); ptr += 8;
const uint64_t lastIn = b.at<uint64_t>(ptr); ptr += 8;
const uint64_t lastTrustEstablishedPacketReceived = b.at<uint64_t>(ptr); ptr += 8;
InetAddress addr,localAddr;
InetAddress addr;
ptr += addr.deserialize(b,ptr);
ptr += localAddr.deserialize(b,ptr);
if (addr.ss_family == localAddr.ss_family) {
_PeerPath *p = (_PeerPath *)0;
switch(addr.ss_family) {
case AF_INET: p = &_v4Path; break;
case AF_INET6: p = &_v6Path; break;
}
if (p) {
if ( (!p->p) || ((p->p->address() != addr)||(p->p->localAddress() != localAddr)) ) {
p->p = RR->topology->getPath(localAddr,addr);
}
p->lr = lr;
p->p->updateFromRemoteState(lastOut,lastIn,lastTrustEstablishedPacketReceived);
_PeerPath *p = (_PeerPath *)0;
switch(addr.ss_family) {
case AF_INET: p = &_v4Path; break;
case AF_INET6: p = &_v6Path; break;
}
if (p) {
if ( (!p->p) || (p->p->address() != addr) ) {
p->p = RR->topology->getPath(-1,addr);
}
p->lr = lr;
p->p->updateFromRemoteState(lastOut,lastIn,lastTrustEstablishedPacketReceived);
}
}
}