void MessageFilter::OnNewConnection(SystemAddress systemAddress, RakNetGUID rakNetGUID, bool isIncoming)
{
(void) systemAddress;
(void) rakNetGUID;
(void) isIncoming;
// New system, automatically assign to filter set if appropriate
if (autoAddNewConnectionsToFilter >= 0 && systemList.HasData(systemAddress) == false)
SetSystemFilterSet(systemAddress, autoAddNewConnectionsToFilter);
}
PluginReceiveResult MessageFilter::OnReceive(RakPeerInterface *peer, Packet *packet)
{
bool objectExists;
unsigned index;
unsigned char messageId;
switch (packet->data[0])
{
case ID_CONNECTION_LOST:
case ID_DISCONNECTION_NOTIFICATION:
// Lost system, remove from the list
systemList.RemoveIfExists(packet->systemAddress);
break;
case ID_NEW_INCOMING_CONNECTION:
case ID_CONNECTION_REQUEST_ACCEPTED:
// New system, automatically assign to filter set if appropriate
if (autoAddNewConnectionsToFilter>=0 && systemList.HasData(packet->systemAddress)==false)
SetSystemFilterSet(packet->systemAddress, autoAddNewConnectionsToFilter);
break;
case ID_CONNECTION_ATTEMPT_FAILED:
case ID_NO_FREE_INCOMING_CONNECTIONS:
case ID_RSA_PUBLIC_KEY_MISMATCH:
case ID_CONNECTION_BANNED:
case ID_INVALID_PASSWORD:
case ID_MODIFIED_PACKET:
case ID_PONG:
case ID_ALREADY_CONNECTED:
case ID_ADVERTISE_SYSTEM:
case ID_REMOTE_DISCONNECTION_NOTIFICATION:
case ID_REMOTE_CONNECTION_LOST:
case ID_REMOTE_NEW_INCOMING_CONNECTION:
case ID_DOWNLOAD_PROGRESS:
break;
default:
if (packet->data[0]==ID_TIMESTAMP)
{
if (packet->length<sizeof(MessageID) + sizeof(RakNetTime))
return RR_STOP_PROCESSING_AND_DEALLOCATE; // Invalid message
messageId=packet->data[sizeof(MessageID) + sizeof(RakNetTime)];
}
else
messageId=packet->data[0];
// If this system is filtered, check if this message is allowed. If not allowed, return RR_STOP_PROCESSING_AND_DEALLOCATE
index = systemList.GetIndexFromKey(packet->systemAddress, &objectExists);
if (objectExists==false)
break;
if (messageId==ID_RPC)
{
const char *uniqueIdentifier = peer->GetRPCString((const char*) packet->data, packet->bitSize, packet->systemAddress);
if (systemList[index].filter->allowedRPCs.HasData((char *const)uniqueIdentifier)==false)
{
OnInvalidMessage(peer, systemList[index].filter, packet->systemAddress, packet->data[0]);
return RR_STOP_PROCESSING_AND_DEALLOCATE;
}
}
else
{
if (systemList[index].filter->allowedIDs[messageId]==false)
{
OnInvalidMessage(peer, systemList[index].filter, packet->systemAddress, packet->data[0]);
return RR_STOP_PROCESSING_AND_DEALLOCATE;
}
}
break;
}
return RR_CONTINUE_PROCESSING;
}