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Date: | Thu, 7 Mar 2013 15:37:12 +0100 |
From: | Corinna Vinschen <corinna-cygwin AT cygwin DOT com> |
To: | cygwin AT cygwin DOT com |
Subject: | Re: Unix domain accept() and getperrname() doesn't return the client address. |
Message-ID: | <20130307143712.GA12359@calimero.vinschen.de> |
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On Mar 7 22:48, Tanaka Akira wrote: > 2013/3/4 Corinna Vinschen: > > > It's not exactly intentional, but known. The socket's peername is not > > transmitted during the local socket credential exchange. So far the > > server assumes an unbound socket on the client side because, well, I > > guess the reason is "nobody asked for it yet". This could probably > > be implemented with not too much effort, if necessary. > > I see. Thank you. > > Is it also known that recvfrom() on Unix domain datagram socket > returns an AF_INET address? Not really, no. This is another "nobody asked for it yet", but I think that's a bug. I'll have a look to fix that for 1.7.18. But the above restriction will apply. If we have no peer address, you get a sockaddr_un with empty path. Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Maintainer cygwin AT cygwin DOT com Red Hat -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
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