Re: TCPwrappers race condition

[mouse () RODENTS MONTREAL QC CA (der Mouse)]

> TCPwrappers do a getpeername() after bieng passed the socket
> descriptor from inetd.  On some OSs this can cause a problem, atleast
> on SCO.  [...if the FIN arrives before the getpeername(), "unknown"
> gets logged...]

> Unfortunately this is a design issue, TCPwrappers "cant" be fixed to
> do this without modification to inetd.

This is a kernel bug, I would say.  Just because the other end has
closed down its side of the connection is no excuse to throw away the
peer address information (or to refuse to deliver it to user-land,
which amounts to the same thing).

                                        der Mouse

                               mouse () rodents montreal qc ca
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