[Samba] [samba 4.0] read only = yes + Denymode DENY_WRITE

[Jeremy Allison]

On Fri, Dec 19, 2014 at 12:11:02PM +0100, danny wrote:
> Hello,
> 
> Our samba fileserver is a member of a Windows 2008R2 domain, and has
> different shares. These shares are set with a "read only = yes" and
> have an explicit "write list". This works as planned.
> But when an "read only" user opens a pdf with Adobe acrobat, the
> file gets DenyMode DENY_WRITE and the user who can edit the file
> can't save the document anymore. After the readonly user closes the
> file, the file can be saved again by the user who is allowed to edit
> it.
> 
> 13007        23132      DENY_WRITE 0x120089    RDONLY     NONE
> /data/testshare   file1.pdf   Fri Dec 19 11:30:16 2014
> 
> ...
> Is this behaviour of Samba as expected or am I missing something?
> Because the way as I see it, the file shouldn't be locked by a
> readonly user.

Yeah, we used to think so too :-). Unfortunately these
are Windows semantics, so we have to match them.