Re: [RFC] FUSE permission modell (Was: fuse review bits)

[Jamie Lokier <jamie@shareable.org>]

Miklos Szeredi wrote:
> > Note that NFS checks the permissions on _both_ the client and server,
> > for a reason.
> 
> Does it?  If I read the code correctly the client checks credentials
> supplied by the server (or cached).  But the server does the actual
> checking of permissions.
> 
> Am I missing something?

Yes, for NFSv2, this test in nfs_permssion():

	if (!NFS_PROTO(inode)->access)
		goto out;

And for either version of NFS, if the uid and gid are non-zero, and
the permission bits indicate that an access is permitted, then the
client does not consult the server for permission.

-- Jamie
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