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+ > [EMAIL PROTECTED]:/tmp/bing$ settrans -ac yoyo /hurd/hello --contents="yoyo" > [EMAIL PROTECTED]:/tmp/bing$ cat yoyo > [EMAIL PROTECTED]:/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;
...
}
If you check the source of fsysopts, you'll notice a call to
file_getcontrol(), which is probably what fails.
--
Richard Braun
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