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On Mon, Jul 30, 2007 at 02:50:09PM +0200, Arne H. Juul wrote:
>  I'm trying to port some code that on FreeBSD uses the getpeereid()
>  system call, to get the user and group IDs of a peer connected on a
>  UNIX-domain socket.

You want getsockopt and the SO_PEERCRED option.  AFAICT, this is the
'conventional' way of getting this functionality across (at least)
Linux and *BSD - the FreeBSD syscall seems to be an extra.  (Is it
really a syscall, or a convenient library wrapper around getsockopt?)

For usage examples, see postgresql or ssh code.

--
Dan.


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