[Samba] GUI file permissions problem

[Jeremy Allison]

On Thu, Sep 27, 2012 at 11:57:26AM +0100, Rowland Penny wrote:
> Hello,
> 
> If I login into a windows box and navigate to a file stored on a
> samba server, I can alter the file permissions by right clicking on
> the file and selecting 'properties' then 'Security'.
> 
> But if I login into a Linux box (running Ubuntu 12.04 & Samba 3.6.3)
> and navigate to the same file on the server, then right click on the
> file and select 'Properties' then 'Permissions', I get 'The
> permissions of "<filename>" could not be determined'.
> 
> This happens however I connect to the server, I have tried Nautilus,
> Caja, Eiciel and Gigolo. None of them can display the permissions of
> a file or a directory on a samba server. Is this a general Linux
> problem, or, as I am beginning to think, a problem with the way that
> one samba server connects to another i.e. in a totally different way
> from windows.
> 
> Is there anyway that I can set the ACLs on the Samba server from
> another Linux box without resorting to SSH & setfacl?

Using Nautilus "connect to server" I think uses libsmbclient,
which doesn't export ACLs. You need to mount using the
cifsfs kernel module, which should allow direct modification
of the POSIX ACLs if the Samba server has "unix extensions = yes"
set.

Jeremy.