* Mikko Ty�l�j�rvi <[EMAIL PROTECTED]> [001214 09:12] wrote:
>
> AFAIK there is no portable way to reject incoming connections without
> calling accept(). However, accept(2) states:
>
> One can obtain user connection request data without confirming
> the connection by issuing a recvmsg(2) call with an msg_iovlen of
> 0 and a non-zero msg_controllen, or by issuing a getsockopt(2)
> request. Similarly, one can provide user connection rejection
> information by issuing a sendmsg(2) call providing only the
> control information, or by calling setsockopt(2).
>
> Is this really true? A quick experiment with recvmsg() seems to
> indicate it is not, at least not for TCP sockets.
It's supposed to be used with the OSI protocols or something. :)
Adapting it to TCP would be nice, but the problem in FreeBSD at
least is that by the time a socket is in the listen queue is has
completed the TCP connection handshake.
> P.S. Anybody who claims that this works is encouraged to provide
> proof in the form of code... :-)
hah.
--
-Alfred Perlstein - [[EMAIL PROTECTED]|[EMAIL PROTECTED]]
"I have the heart of a child; I keep it in a jar on my desk."
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