root can open the file even if nothing is cached at all. just create a file
on the server which "nobody" can't access and try to open it as root on the
client; it will succeed.
Greg Alexander wrote:
> The client specification is fairly obvious...it caches stuff and has normal
> file access rights. The server specification is a kludge that doesn't agree
> with standard.
I had the same "problem" with a SGI IRIX 5.3 NFS server (this was where I
detected it...)
> The client side does an open...it gets the rights and whatnot from
> the server and sees, "hrm...this file is owned by someone, but yer root, so
> I'll let you fiddle" (client should let root do everything). The open
> _ALWAYS_ succeeds, because open is decided by client-side perms and does not
> result in a check to see if the server wants this specific user opening that
> file.
and the NFS server never really checks permissions for the open ?
thanks for answering,
Harald
--
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Harald Koenig, \/\/\/\/\/\/\/\/\/
Inst.f.Theoret.Astrophysik // / \\ \
koenig@tat.physik.uni-tuebingen.de ^^^^^ ^^^^^