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use ice-server heartbeat denial to trigger keypair re-gen

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This commit is contained in:
Stephen Birarda 2016-02-23 15:26:13 -08:00
parent 5fe74bb33c
commit 96ed19100b
3 changed files with 20 additions and 1 deletions
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18
domain-server/src/DomainServer.cpp
View file

@ -372,6 +372,7 @@ void DomainServer::setupNodeListAndAssignments(const QUuid& sessionUUID) {
packetReceiver.registerListener(PacketType::ICEPing, &_gatekeeper, "processICEPingPacket");
packetReceiver.registerListener(PacketType::ICEPingReply, &_gatekeeper, "processICEPingReplyPacket");
packetReceiver.registerListener(PacketType::ICEServerPeerInformation, &_gatekeeper, "processICEPeerInformationPacket");
packetReceiver.registerListener(PacketType::ICEServerHeartbeatDenied, this, "processICEServerHeartbeatDenialPacket");
// add whatever static assignments that have been parsed to the queue
addStaticAssignmentsToQueue();
@ -2006,3 +2007,20 @@ void DomainServer::processNodeDisconnectRequestPacket(QSharedPointer<ReceivedMes
});
}
}
void DomainServer::processICEServerHeartbeatDenialPacket(QSharedPointer<ReceivedMessage> message) {
static const int NUM_HEARTBEAT_DENIALS_FOR_KEYPAIR_REGEN = 3;
static int numHeartbeatDenials = 0;
if (++numHeartbeatDenials > NUM_HEARTBEAT_DENIALS_FOR_KEYPAIR_REGEN) {
qDebug() << "Received" << NUM_HEARTBEAT_DENIALS_FOR_KEYPAIR_REGEN << "heartbeat denials from ice-server"
<< "- re-generating keypair now";
// we've hit our threshold of heartbeat denials, trigger a keypair re-generation
auto limitedNodeList = DependencyManager::get<LimitedNodeList>();
AccountManager::getInstance().generateNewDomainKeypair(limitedNodeList->getSessionUUID());
// reset our number of heartbeat denials
numHeartbeatDenials = 0;
}
}

1
domain-server/src/DomainServer.h
View file

@ -61,6 +61,7 @@ public slots:
void processNodeJSONStatsPacket(QSharedPointer<ReceivedMessage> packetList, SharedNodePointer sendingNode);
void processPathQueryPacket(QSharedPointer<ReceivedMessage> packet);
void processNodeDisconnectRequestPacket(QSharedPointer<ReceivedMessage> message);
void processICEServerHeartbeatDenialPacket(QSharedPointer<ReceivedMessage> message);
private slots:
void aboutToQuit();

2
ice-server/src/IceServer.cpp
View file

@ -82,7 +82,7 @@ void IceServer::processPacket(std::unique_ptr<udt::Packet> packet) {
} else {
// we couldn't verify this peer - respond back to them so they know they may need to perform keypair re-generation
static auto deniedPacket = NLPacket::create(PacketType::ICEServerHeartbeatDenied);
_serverSocket.writePacket(*deniedPacket, packet->getSenderSockAddr());
_serverSocket.writePacket(*deniedPacket, nlPacket->getSenderSockAddr());
}
} else if (nlPacket->getType() == PacketType::ICEServerQuery) {
QDataStream heartbeatStream(nlPacket.get());