Re: capabilities patch (v 0.1)

[David Madore]

On Tue, Aug 09, 2005 at 01:52:06PM -0700, Chris Wright wrote:
> * Bodo Eggert (harvested.in.lkml@xxxxxxxxxxxxxxxxxx) wrote:
> > How are you going to tell processes that may exec suid (or set-capability-)
> > programs from those that aren't supposed to gain certain capabilities?
> 
> typically you'd expect exec suid will reset to full caps.

suid exec _must_ reset to full caps or we have the sendmail disaster
again.  However, that is _if_ execve() succeeds.  It is quite possible
that execve() should fail, and that is precisely what my patch does:
if a process has bounded capabilities, it _may not_ exec suid.

-- 
     David A. Madore
    (david.madore@xxxxxx,
     http://www.madore.org/~david/ )
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