Re: buglet in ext2 sticky bit?

Matthew Kirkwood (weejock@ferret.lmh.ox.ac.uk)
Sun, 24 Oct 1999 22:06:15 +0100 (GMT)


On Sun, 24 Oct 1999, Jan Kara wrote:

> > AFAIK a file writable for everyone should be deletable when
> > +t on the parent dir.

> As far as I know this is correct behaviour... Rights on deleted file
> have no impact on its unlinking (OK, with the exception to the
> IMMUTABLE and APPEND bits...) - what matters is *only* a directory.
> When it has sticky bit set than file can be deleted only by its owner
> or owner of the directory.

Intestingly, this works on Solaris 2.6 (both tmpfs and ufs).

I seem to be able to delete any file in /tmp which I own _or_ can write
to.

Stevens' APUE doesn't mention this feature, so I'd be tempted to call
it a bug in Solaris (can't test other OSes, unfortunately).

Matthew.

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