[Samba] smb.conf setting for file permissions?

[Jeremy Allison]

On Fri, May 23, 2008 at 02:28:36PM -0500, Mike Eggleston wrote:
> On Fri, 23 May 2008, John Drescher might have said:
> 
> > On Fri, May 23, 2008 at 3:05 PM, Mike Eggleston <mikeegg1 at mac.com> wrote:
> > > Hi,
> > >
> > > I have a very old version of samba on one of the boxes I'm not allowed
> > > to update. I have a request from a user group that all the group be
> > > allowed to edit a set of file. At the command line I 'chmod 666 $file'
> > > and all is well. I can edit and save the file. The permissions return to
> > > 744. I want the file permissions to not be changed when someone saves
> > > a file. What parameter can I add to /etc/samba/smb.conf so that file
> > > permissions are not changed when a file is save?
> > >
> > Are there any masks or force security commnds in the smb.conf?
> 
> Not that seem obvious to me.

What does the output of :

testparm -s -v | grep mask

say ?