[Samba] Samba 4.9.4 drops group write permission on files (at file access time) with 'vfs objects' enabled

Rowland Penny rpenny at samba.org
Wed Feb 27 20:09:29 UTC 2019

On Wed, 27 Feb 2019 20:58:03 +0100
Peter Eriksson via samba <samba at lists.samba.org> wrote:

> > Would this be on a DC ?
> > If so, you are removing the default vfs objects. and this is a known
> > ‘problem'
> Not on a DC - this is on AD member fileserver(s)
> It’s not a ‘problem’. It’s a _problem_. If you can’t add 'vfs
> objects’ without the default built-in module getting lost then how is
> that supposed to work at all? 
> I’ve tried looking at the source code to see if there is some kind of
> default module one could load manually but it seems to be built-in.
> We need the zfsacl (for files/dirs with ZFS ACLs), shadow_copy2 (for
> snapshots/previous versions) & full_audit modules, but also the
> default built-in stuff to work (for cases where users have files/dirs
> without ACLs set)...
> Ah well, back to reading the source code again.

OK, that's why I asked, on a DC this could happen, but shouldn't on a
Unix domain member. so before delving into the code, can we see your
smb.conf ?


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