kqueue implementation

[Daniel Molina Wegener]

On Tuesday 22 May 2007 14:06:48 Joerg Sonnenberger wrote:
> On Tue, May 22, 2007 at 10:04:37AM -0700, Suleiman Souhlal 
wrote:
> > >I mean vnode events, in the manual page I see NOTE_WRITE,
> > > but I need NOTE_OPEN and NOTE_READ. Is there any chance
> > > to get these kind of events?
> >
> > They should be easy to add.. All you would need to do for
> > NOTE_OPEN would be to add a vop_open_post  hook to VOP_OPEN
> > that calls VFS_KNOTE_LOCKED(..., NOTE_OPEN). Similarly for
> > read.
>
> If this is done, it should be done very carefully. There are
> some non-trivial security implications by this, for example
> the process hiding can be at least partly circumvented by
> adding a open filter on rtld or libc.so.

  Why?, I can't understand the point. On Linux the inotify
interface does the job. Why on FreeBSD shouldn't be applicable?.

>
> Joerg
>
> [SNIP]

Regards,
-- 
 .O. | Daniel Molina Wegener   | C/C++ Developer
 ..O | dmw [at] unete [dot] cl | FOSS Coding Adict
 OOO | BSD & Linux User        | Standards Rocks!