Does RakNet have any validation to a new client?

[YurovRuslan]

I wonder if RakNet-server has any validation when a new client wants to connect with it. Maybe some random number which client should pass back or smth else? I'm not found it when searching via code and this situation was surprising for me.

[BigJoe01]

Hi, Raknet version validation working, check raknet version number. Has password authentication. In loop check "MessageIdentifiers.h" ID_NEW_INCOMING_CONNECTION packet, after receive send back client validation message, and drop player from server.

[YurovRuslan]

Morning! What file is this loop in? RakPeer.cpp, yes?

[BigJoe01]

Like this, come from chat example

for (p=server->Receive(); p; server->DeallocatePacket(p), p=server->Receive()) { // We got a packet, get the identifier with our handy function packetIdentifier = GetPacketIdentifier(p);

        // Check if this is a network message packet
        switch (packetIdentifier)
        {
        case ID_DISCONNECTION_NOTIFICATION:
            // Connection lost normally
            printf("ID_DISCONNECTION_NOTIFICATION from %s\n", p->systemAddress.ToString(true));;
            break;

        case ID_NEW_INCOMING_CONNECTION:
            // Somebody connected.  We have their IP now
            printf("ID_NEW_INCOMING_CONNECTION from %s with GUID %s\n", p->systemAddress.ToString(true), p->guid.ToString());
            clientID=p->systemAddress; // Record the player ID of the client

            printf("Remote internal IDs:\n");
            for (int index=0; index < MAXIMUM_NUMBER_OF_INTERNAL_IDS; index++)
            {
                RakNet::SystemAddress internalId = server->GetInternalID(p->systemAddress, index);
                if (internalId!=RakNet::UNASSIGNED_SYSTEM_ADDRESS)
                {
                    printf("%i. %s\n", index+1, internalId.ToString(true));
                }
            }

            break;

        case ID_INCOMPATIBLE_PROTOCOL_VERSION:
            printf("ID_INCOMPATIBLE_PROTOCOL_VERSION\n");
            break;

        case ID_CONNECTED_PING:
        case ID_UNCONNECTED_PING:
            printf("Ping from %s\n", p->systemAddress.ToString(true));
            break;

        case ID_CONNECTION_LOST:
            // Couldn't deliver a reliable packet - i.e. the other system was abnormally
            // terminated
            printf("ID_CONNECTION_LOST from %s\n", p->systemAddress.ToString(true));;
            break;

        default:
            // The server knows the static data of all clients, so we can prefix the message
            // With the name data
            printf("%s\n", p->data);

            // Relay the message.  We prefix the name for other clients.  This demonstrates
            // That messages can be changed on the server before being broadcast
            // Sending is the same as before
            sprintf(message, "%s", p->data);
            server->Send(message, (const int) strlen(message)+1, HIGH_PRIORITY, RELIABLE_ORDERED, 0, p->systemAddress, true);

            break;
        }

    }