Subject: Re: getpeereid() or equivalent
To: Daniel Carosone <email@example.com>
From: Jason Thorpe <firstname.lastname@example.org>
Date: 07/31/2007 21:21:28
On Jul 31, 2007, at 4:59 PM, Daniel Carosone wrote:
> 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?)
The latter, I believe. If we have the sockopt, might as well have the
API call as well.
> For usage examples, see postgresql or ssh code.