[PATCH 4/4] server: Add primitive support for setting and getting the security descriptor of files based on their Unix permissions.

Kai Blin kai.blin at gmail.com
Wed Oct 3 06:01:23 CDT 2007

On Wednesday 03 October 2007 12:24:52 Robert Shearman wrote:
> Kai Blin wrote:
> > Would it make sense to try and get winbind to do that for us, if
> > possible? Or would we be unable to use the results of that in a sensible
> > way?
> >
> > Jerry Carter is currently working on an LGPL winbind client library, we
> > could use that. In the long run, winbind will convert to an idl-based
> > protocol and we could just talk to winbindd directly, thus dropping a
> > dependency.
> Good suggestion for a discussion at WineConf :-)

Collecting topics for my presentation all the time.

> However, we can't do any blocking calls while executing a server call on
> the behalf of a client, otherwise it will cause performance problems for
> all the applications that the user is running.

In Samba4's winbind, all the calls are async, in Samba3's winbindd, all calls 
that can block over an extended period of time have an async version.

> Also, we don't have an 
> IDL compiler / runtime that is compatible with wineserver. Further more,
> our mapping of users / groups will be slightly different from Samba's
> due to most Win32 installers requiring the user to be an administrator.

Possibly this could be fixed by making sure the user always is a local 
administrator, I take. Or we can add a "switch to administrator" button.

> I think all of these issues can be worked around, but it's not something
> we can rush into (and in case the Samba developers are doing this just
> for us, an winbind client library is not going to useful.)

No, I think Jerry has some other use cases in mind with that. No fuss.


Kai Blin
WorldForge developer  http://www.worldforge.org/
Wine developer        http://wiki.winehq.org/KaiBlin
Samba team member     http://www.samba.org/samba/team/
Will code for cotton.
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