From 5b6d27e65919cf0429feb2d8a9ce0b6164153efd Mon Sep 17 00:00:00 2001 From: Adam Ierymenko Date: Tue, 13 Sep 2016 14:27:18 -0700 Subject: Implement relay policy, and setting multicast limit to 0 now disables multicast on the network as would be expected. --- node/IncomingPacket.cpp | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) (limited to 'node/IncomingPacket.cpp') diff --git a/node/IncomingPacket.cpp b/node/IncomingPacket.cpp index 64dccef3..9bc41d47 100644 --- a/node/IncomingPacket.cpp +++ b/node/IncomingPacket.cpp @@ -670,8 +670,14 @@ bool IncomingPacket::_doEXT_FRAME(const RuntimeEnvironment *RR,const SharedPtr

received(_path,hops(),packetId(),Packet::VERB_EXT_FRAME,0,Packet::VERB_NOP,true); // trustEstablished because COM is okay return true; } - } else if ( (to != network->mac()) && (!to.isMulticast()) ) { - if (!network->config().permitsBridging(RR->identity.address())) { + } else if (to != network->mac()) { + if (to.isMulticast()) { + if (network->config().multicastLimit == 0) { + TRACE("dropped EXT_FRAME from %s@%s(%s) to %s: network %.16llx does not allow multicast",from.toString().c_str(),peer->address().toString().c_str(),_path->address().toString().c_str(),to.toString().c_str(),network->id()); + peer->received(_path,hops(),packetId(),Packet::VERB_EXT_FRAME,0,Packet::VERB_NOP,true); // trustEstablished because COM is okay + return true; + } + } else if (!network->config().permitsBridging(RR->identity.address())) { TRACE("dropped EXT_FRAME from %s@%s(%s) to %s: I cannot bridge to %.16llx or bridging disabled on network",from.toString().c_str(),peer->address().toString().c_str(),_path->address().toString().c_str(),to.toString().c_str(),network->id()); peer->received(_path,hops(),packetId(),Packet::VERB_EXT_FRAME,0,Packet::VERB_NOP,true); // trustEstablished because COM is okay return true; @@ -1038,6 +1044,12 @@ bool IncomingPacket::_doMULTICAST_FRAME(const RuntimeEnvironment *RR,const Share return true; } + if (network->config().multicastLimit == 0) { + TRACE("dropped MULTICAST_FRAME from %s(%s): network %.16llx does not allow multicast",peer->address().toString().c_str(),_path->address().toString().c_str(),(unsigned long long)network->id()); + peer->received(_path,hops(),packetId(),Packet::VERB_MULTICAST_FRAME,0,Packet::VERB_NOP,false); + return true; + } + unsigned int gatherLimit = 0; if ((flags & 0x02) != 0) { gatherLimit = at(offset + ZT_PROTO_VERB_MULTICAST_FRAME_IDX_GATHER_LIMIT); -- cgit v1.2.3