[Samba] SYSVOL ACLs and GPOs

[Andrew Bartlett]

On Wed, 2012-10-24 at 18:36 +0100, Alex Matthews wrote:
> On 24/10/2012 17:25, Alex Matthews wrote:
> > On 24/10/2012 12:09, Andrew Bartlett wrote:
> >> On Wed, 2012-10-24 at 10:49 +0100, Alex Matthews wrote:
> >>> Hi,
> >>>
> >>> I have installed a virtual testing network consisting of one samba4 PDC
> >>> (latest git master) and one Windows XP Pro SP3 (fully updated)machine.
> >>>
> >>> I have successfully provisioned an AD Domain and joined the XP machine
> >>> to it.
> >>> When I run the gpmc on the XP Pro machine and select:
> >>> Forest: <domain name> -> Domains -> <domain name> -> Group Policy
> >>> Objects -> Default Domain [Controller | Policy]
> >>> I get the following error:
> >>>
> >>> "The permissions for this GPO in the SYSVOL folder are inconsistent 
> >>> with
> >>> those in Active Directory.
> >>> It is recommended that these permissions be consistent.
> >>> To change the SYSVOL permissions to those in Active Directory, click 
> >>> OK."
> >>>
> >>> Hitting ok I get no error but as soon as I reselect THE SAME entry I 
> >>> get
> >>> the same error, it doesn't seem to be able to fix the ACL.
> >>>
> >>> I have found one post about this on the list
> >>> (https://bugzilla.samba.org/show_bug.cgi?id=5483)but apparently it was
> >>> "fixed" a long time ago.
> >>> Seeing as I'm using the latest version I would assume this is a
> >>> different issue.
> >>>
> >>> If I try to change any of the ACLs on either of the folders in
> >>> \\<pdc>\sysvol\<domain name>\Policies\ by hand I get no errors however
> >>> the change doesn't stick.
> >>>
> >>>
> >>> Looking at the samba log files:
> >>>
> >>> I get this when I start gpmc and click ok:
> >>> http://pastebin.com/7rBKyU1B
> >>>
> >>> I get this when I start gpmc and don't click ok:
> >>> http://pastebin.com/B3DMSE1T
> >>>
> >>> I get this when I alter the ACLs manually (after line 479 is when I
> >>> actually alter the ACLs):
> >>> http://pastebin.com/2mEvWX6K
> >>>
> >>> My smb.conf is stock. No alterations.
> >>> The server OS is Ubuntu 12.04.
> >>> The filesystem is ext4 mounted with the following options:
> >>> "errors=remount-ro,acl,user_xattr,barrier=1".
> >>> I have all acl packages installed that I have seen referenced by samba
> >>> or in posts of a similar nature.
> >> If you are in the mood for some testing, can you try my acl-fixes2
> >> branch?
> >>
> >> git remote add abartlet git://git.samba.org/abartlet/samba.git
> >> git fetch abartlet
> >> git checkout abartlet/acl-fixes2 -b abartlet-acl-fixes2
> >>
> >> I'm trying to get these changes into master, but I'm not quite finished.
> >> You should only put these on a test server, as I may change data formats
> >> etc.
> >>
> >> I would be very curious to know if this fixes the issue.
> >>
> >> Otherwise or in addition, if you can show me the contents of your
> >> idmap.ldb (ldbsearch -H idmap.ldb) it might help me guess as what is
> >> going wrong here, and fix it.
> >>
> >> Thanks,
> >>
> >> Andrew Bartlett
> >>
> > I assume
> >
> > git checkout abartlet/acl-fixes2 -b abartlet-acl-fixes2
> >
> > should be:
> >
> > git checkout abartlet/fix-acls2 -b abartlet-fix-acls2
> >
> > I'm rebuilding now, will keep you posted!
> >
> > Thanks,
> >
> > Alex
> >
> 
> I have tried your branch. Rebuilt and the XP machine still throws the 
> same issue.
> 
> Do I need to reprovision?

You need to at least run 'samba-tool ntacl sysvolreset' to get the new
ACLs on disk.

Andrew Bartlett

-- 
Andrew Bartlett                                http://samba.org/~abartlet/
Authentication Developer, Samba Team           http://samba.org