[wt4hq] tunnelsrv is crashing all the time

[Mario Lorenz]

Am 14. Jul 2007, um 14:28:38 schrieb Dieter Kritzer:
> 
> our linux-tunnelsrv is crashing very 5 minutes.
> 
> any idea?

I've found the bug. Finally. Extremely well hidden.
in tx_proc the call to _send() has a "+1" in the end.
That will make the if (nBytesSent == SOCKET_ERROR) wrong.
SocketError is defined as -1, and the -1 error code is thus
changed into a 0, so the whole error handling logic does
not kick in.
So when _send() hits an error (full buffer) it will go into
a neverending loop...

The problem we are having now is that the tunnel client, if the
connection breaks for whatever reason, when trying to reconnect,
will send garbage (wt protocol data) as username/password...
But that requires fixing the client which we cannot do...

Mario

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