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Plumbing for network setting control, and GitHub issue #330

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This commit is contained in:
Adam Ierymenko 2016-06-21 14:58:30 -07:00
parent e2ca239be0
commit 674b84d908
3 changed files with 66 additions and 9 deletions
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16
node/IncomingPacket.cpp
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@ -1192,8 +1192,20 @@ bool IncomingPacket::_doCIRCUIT_TEST_REPORT(const RuntimeEnvironment *RR,const S
bool IncomingPacket::_doREQUEST_PROOF_OF_WORK(const RuntimeEnvironment *RR,const SharedPtr<Peer> &peer)
{
try {
// Right now this is only allowed from root servers -- may be allowed from controllers and relays later.
if (RR->topology->isRoot(peer->identity())) {
// If this were allowed from anyone, it would itself be a DOS vector. Right
// now we only allow it from roots and controllers of networks you have joined.
bool allowed = RR->topology->isRoot(peer->identity());
if (!allowed) {
std::vector< SharedPtr<Network> > allNetworks(RR->node->allNetworks());
for(std::vector< SharedPtr<Network> >::const_iterator n(allNetworks.begin());n!=allNetworks.end();++n) {
if (peer->address() == (*n)->controller()) {
allowed = true;
break;
}
}
}
if (allowed) {
const uint64_t pid = packetId();
const unsigned int difficulty = (*this)[ZT_PACKET_IDX_PAYLOAD + 1];
const unsigned int challengeLength = at<uint16_t>(ZT_PACKET_IDX_PAYLOAD + 2);