Shachar Shemesh wrote:
> Hi all,
>
> Does anyone know WHY only root can create hard links to directories?
> What is the attack/problem this permission restriction is trying to solve?
link(2) and unlink(2) are very limited, probably because somebody was
too lazy or too paranoid.
Originally, in t
On Wednesday 08 June 2005 20:52, Shachar Shemesh wrote:
> Does anyone know WHY only root can create hard links to directories?
> What is the attack/problem this permission restriction is trying to solve?
Letting root do this is a Linux extension to the original Unix
semantics in which *nobody* co
On Wed, 2005-06-08 at 23:02 +0300, shimi wrote:
> On Wed, 2005-06-08 at 21:39 +0300, Shachar Shemesh wrote:
> > Alon Altman wrote:
> >
> > > On Wed, 8 Jun 2005, Shachar Shemesh wrote:
> > >
> > >> Hi all,
> > >>
> > >> Does anyone know WHY only root can create hard links to directories?
> > >> Wh
shimi wrote:
My assumption: if you hard-link to a file not owned by you, inside a
directory you do have write access to (otherwise you can't create the
link), the file will of course be identical to the original file (it
_is_ a hard-link). Meaning it will have the same owner, same
permissions, a
On Wed, 2005-06-08 at 21:39 +0300, Shachar Shemesh wrote:
> Alon Altman wrote:
>
> > On Wed, 8 Jun 2005, Shachar Shemesh wrote:
> >
> >> Hi all,
> >>
> >> Does anyone know WHY only root can create hard links to directories?
> >> What is the attack/problem this permission restriction is trying to
Alon Altman wrote:
On Wed, 8 Jun 2005, Shachar Shemesh wrote:
Hi all,
Does anyone know WHY only root can create hard links to directories?
What is the attack/problem this permission restriction is trying to
solve?
Because only root can unlink a non-empty directory?
I was hoping to lear
On Wed, 8 Jun 2005, Shachar Shemesh wrote:
Hi all,
Does anyone know WHY only root can create hard links to directories? What is
the attack/problem this permission restriction is trying to solve?
Because only root can unlink a non-empty directory?
Alon
--
This message was sent by Alon Alt
Hi all,
Does anyone know WHY only root can create hard links to directories?
What is the attack/problem this permission restriction is trying to solve?
Shachar
--
Shachar Shemesh
Lingnu Open Source Consulting ltd.
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