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A bit more IncomingPacket cleanup... almost ready to test, just need OK() handling.

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This commit is contained in:
Adam Ierymenko 2014-10-01 16:29:52 -07:00
parent e1882b614b
commit 28646eee0a
1 changed files with 35 additions and 48 deletions
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83
node/IncomingPacket.cpp
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@ -34,14 +34,13 @@
#include "Constants.hpp"
#include "Defaults.hpp"
#include "RuntimeEnvironment.hpp"
#include "Topology.hpp"
#include "IncomingPacket.hpp"
#include "Topology.hpp"
#include "Switch.hpp"
#include "Peer.hpp"
#include "NodeConfig.hpp"
#include "Service.hpp"
#include "SoftwareUpdater.hpp"
#include "SHA512.hpp"
namespace ZeroTier {
@ -73,34 +72,20 @@ bool IncomingPacket::tryDecode(const RuntimeEnvironment *RR)
default: // ignore unknown verbs, but if they pass auth check they are still valid
peer->receive(RR,_fromSock,_remoteAddress,hops(),packetId(),verb(),0,Packet::VERB_NOP,Utils::now());
return true;
case Packet::VERB_HELLO:
return _doHELLO(RR);
case Packet::VERB_ERROR:
return _doERROR(RR,peer);
case Packet::VERB_OK:
return _doOK(RR,peer);
case Packet::VERB_WHOIS:
return _doWHOIS(RR,peer);
case Packet::VERB_RENDEZVOUS:
return _doRENDEZVOUS(RR,peer);
case Packet::VERB_FRAME:
return _doFRAME(RR,peer);
case Packet::VERB_EXT_FRAME:
return _doEXT_FRAME(RR,peer);
case Packet::VERB_P5_MULTICAST_FRAME:
return _doP5_MULTICAST_FRAME(RR,peer);
case Packet::VERB_MULTICAST_LIKE:
return _doMULTICAST_LIKE(RR,peer);
case Packet::VERB_NETWORK_MEMBERSHIP_CERTIFICATE:
return _doNETWORK_MEMBERSHIP_CERTIFICATE(RR,peer);
case Packet::VERB_NETWORK_CONFIG_REQUEST:
return _doNETWORK_CONFIG_REQUEST(RR,peer);
case Packet::VERB_NETWORK_CONFIG_REFRESH:
return _doNETWORK_CONFIG_REFRESH(RR,peer);
case Packet::VERB_MULTICAST_GATHER:
return _doMULTICAST_GATHER(RR,peer);
case Packet::VERB_MULTICAST_FRAME:
return _doMULTICAST_FRAME(RR,peer);
case Packet::VERB_HELLO: return _doHELLO(RR);
case Packet::VERB_ERROR: return _doERROR(RR,peer);
case Packet::VERB_OK: return _doOK(RR,peer);
case Packet::VERB_WHOIS: return _doWHOIS(RR,peer);
case Packet::VERB_RENDEZVOUS: return _doRENDEZVOUS(RR,peer);
case Packet::VERB_FRAME: return _doFRAME(RR,peer);
case Packet::VERB_EXT_FRAME: return _doEXT_FRAME(RR,peer);
case Packet::VERB_P5_MULTICAST_FRAME: return _doP5_MULTICAST_FRAME(RR,peer);
case Packet::VERB_MULTICAST_LIKE: return _doMULTICAST_LIKE(RR,peer);
case Packet::VERB_NETWORK_MEMBERSHIP_CERTIFICATE: return _doNETWORK_MEMBERSHIP_CERTIFICATE(RR,peer);
case Packet::VERB_NETWORK_CONFIG_REQUEST: return _doNETWORK_CONFIG_REQUEST(RR,peer);
case Packet::VERB_NETWORK_CONFIG_REFRESH: return _doNETWORK_CONFIG_REFRESH(RR,peer);
case Packet::VERB_MULTICAST_GATHER: return _doMULTICAST_GATHER(RR,peer);
case Packet::VERB_MULTICAST_FRAME: return _doMULTICAST_FRAME(RR,peer);
}
} else {
RR->sw->requestWhois(source());
@ -147,7 +132,7 @@ bool IncomingPacket::_doERROR(const RuntimeEnvironment *RR,const SharedPtr<Peer>
network->setAccessDenied();
} break;
// TODO
// TODO -- send and accept these to cancel multicast "LIKE"s
//case Packet::ERROR_UNWANTED_MULTICAST: {
//} break;
@ -971,26 +956,28 @@ bool IncomingPacket::_doMULTICAST_FRAME(const RuntimeEnvironment *RR,const Share
unsigned int etherType = at<uint16_t>(comLen + ZT_PROTO_VERB_MULTICAST_FRAME_IDX_ETHERTYPE);
unsigned int payloadLen = size() - (comLen + ZT_PROTO_VERB_MULTICAST_FRAME_IDX_FRAME);
if (!to.mac().isMulticast()) {
TRACE("dropped MULTICAST_FRAME from %s@%s(%s) to %s: destination is unicast, must use FRAME or EXT_FRAME",from.toString().c_str(),peer->address().toString().c_str(),_remoteAddress.toString().c_str(),to.toString().c_str());
return true;
}
if ((!from)||(from.isMulticast())||(from == network->mac())) {
TRACE("dropped MULTICAST_FRAME from %s@%s(%s) to %s: invalid source MAC",from.toString().c_str(),peer->address().toString().c_str(),_remoteAddress.toString().c_str(),to.toString().c_str());
return true;
}
if (from != MAC(peer->address(),network->id())) {
if (network->permitsBridging(peer->address())) {
network->learnBridgeRoute(from,peer->address());
} else {
TRACE("dropped MULTICAST_FRAME from %s@%s(%s) to %s: sender not allowed to bridge into %.16llx",from.toString().c_str(),peer->address().toString().c_str(),_remoteAddress.toString().c_str(),to.toString().c_str(),network->id());
if (payloadLen) {
if (!to.mac().isMulticast()) {
TRACE("dropped MULTICAST_FRAME from %s@%s(%s) to %s: destination is unicast, must use FRAME or EXT_FRAME",from.toString().c_str(),peer->address().toString().c_str(),_remoteAddress.toString().c_str(),to.toString().c_str());
return true;
}
}
network->tapPut(from,to.mac(),etherType,field(comLen + ZT_PROTO_VERB_MULTICAST_FRAME_IDX_FRAME,payloadLen),payloadLen);
if ((!from)||(from.isMulticast())||(from == network->mac())) {
TRACE("dropped MULTICAST_FRAME from %s@%s(%s) to %s: invalid source MAC",from.toString().c_str(),peer->address().toString().c_str(),_remoteAddress.toString().c_str(),to.toString().c_str());
return true;
}
if (from != MAC(peer->address(),network->id())) {
if (network->permitsBridging(peer->address())) {
network->learnBridgeRoute(from,peer->address());
} else {
TRACE("dropped MULTICAST_FRAME from %s@%s(%s) to %s: sender not allowed to bridge into %.16llx",from.toString().c_str(),peer->address().toString().c_str(),_remoteAddress.toString().c_str(),to.toString().c_str(),network->id());
return true;
}
}
network->tapPut(from,to.mac(),etherType,field(comLen + ZT_PROTO_VERB_MULTICAST_FRAME_IDX_FRAME,payloadLen),payloadLen);
}
if (gatherLimit) {
Packet outp(source(),RR->identity.address(),Packet::VERB_OK);