Re: libtrivfs broken?

[Thomas Bushnell BSG]

On Mon, 2007-02-19 at 23:13 +0100, Richard Braun wrote:
> On Mon, Feb 19, 2007 at 04:58:24PM -0500, Ben Asselstine wrote:
> > Hello,
> > 
> > I ran across this behaviour recently.  It works if I do the same as
> > the root user.  Is anyone else having this problem?
> > 
> > v+
> > bing@clubber:/tmp/bing$ settrans -ac yoyo /hurd/hello --contents="yoyo"
> > bing@clubber:/tmp/bing$ cat yoyo
> > yoyobing@clubber:/tmp/bing$ fsysopts yoyo --contents="yaya"
> > fsysopts: yoyo: Operation not permitted
> 
> I had this problem when working on the BPF translator, and was wanting to
> look deeper before reporting, then I forgot :-(.
> 
> The faulty code is in hurd/libtrivfs/file-getcontrol.c :
> 
> kern_return_t
> trivfs_S_file_getcontrol (struct trivfs_protid *cred,
> ...
> {
> ...
>   if (!cred->isroot)
>     return EPERM;
> ...
> }

What makes you think that's a bug?

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