Re: [PATCH] Obtain number of ports in proc and libps

[Samuel Thibault]

olafBuddenhagen@gmx.net, le Thu 09 Sep 2010 01:38:36 +0200, a écrit :
> On Wed, Sep 08, 2010 at 12:01:12PM +0200, Samuel Thibault wrote:
> > olafBuddenhagen@gmx.net, le Wed 08 Sep 2010 01:38:25 +0200, a écrit :
> 
> > > - portinfo is privileged.
> > 
> > Err, for other processes, yes, but for one's own processes,no.
> > 
> > > The information available from proc through libps OTOH can be
> > > accessed by every user.
> > 
> > Which might be questionable actually.  I know it's just the number of
> > ports, nothing more, but it seems odd to me to add an interface just
> > for this small part of information which you can fetch yourself for
> > your own processes.
> 
> Well, there are some merits to such a like of thinking, as Shapiro could
> tell you. (OMG confinement...)
> 
> However, here we are talking about a UNIX-like system, where all the
> other process information is already considered public (which is why
> proc provides such functionality in the first place) -- and to me it
> seems best to be consistent here...

Err, unices tend to avoid exposing too much information about other
processes. Quite a few files of /proc/self are o-r on Linux for
instance.

Samuel