[Samba] What in samba 4.1 prevents a '/' share?

[Andrew Bartlett]

On Thu, 2013-12-05 at 16:53 -0600, David C. Rankin wrote:
> All,
> 
>   If the post "Samba 3.6 -> 4.1 change that prevent sharing / - mount error(13)"
> makes it to the list, I apologize, but it has been over a day and I have no
> indication that the post ever made it to the list.
> 
>   The issue is that in versions prior to 4.x, I was able to create a root share
> in samba, but now, something prevents it from being mounted. The relevant
> smb.conf is:
> 
>    security = user
>    admin users = david
> 
> [config]
>    comment = Phoinix Config (Archlinux)
>    path = /
>    valid users = david
>    force user = root
>    force group = root
>    browseable = no
>    writeable = Yes
> 
>   With 3.6.6-1 all works as expected. However in 4.1.2-1 a mount error(13) is
> received when attempting to mount the share on a remote linux host:
> 
> 16:07 alchemy:~> sudo mount.cifs //phoinix/config /mnt/phix-cfg -o
> username=david,uid=1000,credentials=/home/david/.dcr/mountcfile,noperm
> mount error(13): Permission denied
> 
> (yes-credentials are correct, all other shares mount fine)
> 
>   Was there a change in 4.x that prevents doing this? If so, what?

Very interesting.  Nothing deliberately prevents this.  Is there
anything in the server-side logs?

Andrew Bartlett

-- 
Andrew Bartlett                       http://samba.org/~abartlet/
Authentication Developer, Samba Team  http://samba.org
Samba Developer, Catalyst IT          http://catalyst.net.nz/services/samba