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Re: How to check UID of process on the other side of local TCP/UDP connection
From: Greg Metcalfe (metcalfegregqwest.net)
Date: Wed Nov 29 2006 - 00:29:34 CST
On Monday 27 November 2006 12:06, Vladimir Mitiouchev wrote:
> On 11/24/06, rainmailbox2001-olayahoo.ca <rainmailbox2001-olayahoo.ca>
> > Do you have any ideas how this local
> > authentication can be achieved in some
> > different way?
> fstat (BSD)
> > Unix sockets (unless of course Unix sockets are
> > the only good way to
> > resolve my problems).
> SCM_CREDS (BSD)
> SO_PEERCRED (Linux)
SO_PEERCRED isn't supported on HP-UX 11i for PA-RISC, at least. I think there
are some hoops to jump through in using SCM_CREDS. This may have all been
resolved for HP-UX versions for Itanic, though. I have no idea what might be
involved on AIX.
I think the most portable solution (O.P. wants portability across all modern
Unices) would be via the OpenSSL libs. There are vendor supported packages
available for Solaris, HP-UX, and AIX--probably pretty much the last of the
commercial Unices he has to worry about.
As the O.P. needs hundreds of connections per second, this might be too
expensive. But it would probably keep his porting work to a minimum.