Getting the SID of the user out of the PAC ...

Steve French smfrench at
Fri Sep 27 06:50:23 UTC 2019

On Fri, Sep 27, 2019 at 1:44 AM Stefan Metzmacher <metze at> wrote:
> Am 27.09.19 um 08:39 schrieb Steve French via samba-technical:
> > Is there a way to get the SID of the user out of the MS-PAC through
> > Samba utils (or winbind)?
> >
> > This would help cifs if when we upcall as we do today to get the
> > kerberos ticket, we were also given the user's SID not just the ticket
> > to use to send to the server during session setup.
> Only if you get a service ticket for the joined client machine.
> But I don't understand what a possible use case would be.

When not mounting with "idsfromsid" this would allow us to use the
correct owner SID when creating ACLs (to include the owner and mode)
on mkdir and filecreate (the acl can be sent in the sd_context during



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