[Samba] Setting permissions on AD member file server
L.P.H. van Belle
belle at bazuin.nl
Tue Mar 15 15:01:52 UTC 2022
> -----Oorspronkelijk bericht-----
> Van: samba [mailto:samba-bounces at lists.samba.org] Namens
> Patrick Goetz via samba
> Verzonden: dinsdag 15 maart 2022 14:58
> Aan: samba at lists.samba.org
> Onderwerp: Re: [Samba] Setting permissions on AD member file server
>
>
>
> On 3/14/22 17:41, Gregory Sloop via samba wrote:
> > I've had a little time to tinker and one thing I've found.
> >
> > Unless I have [acl_xattr:ignore system acls = yes] set, I
> can't edit permissions at all.
> > (I set it globally, though a share level setting would
> probably work on a per-share basis.)
>
>
> There must be another issue here. I have:
>
> vfs objects = acl_xattr
> map acl inherit = yes
> store dos attributes = yes
You can remove : store dos attributes = yes
The default has changed to yes in Samba release 4.9.0 and above
>
> set in smb.conf and most certainly can edit permissions from Windows,
> although this has also failed in some cases for reasons I
> haven't been
> able to pinpoint (but am guessing is related to the long path issue).
You can try to set:
Local Computer Policy > Computer Configuration > Administrative Templates > System > Filesystem.
Double click and Enable NTFS long paths.
>
>
>
> >
> > This seems to be a quasi-sideeffect of that setting - in
> short that setting overwrites/resets the posix permissions.
> (Provided I understand discussions I've seen about it.)
> >
> > In this case the share will only be used by Windows users
> via CIFS/Samba - so this may well "work" just fine and as a
> happy side-effect, make the problem vanish.
> > But I'd guess it's not really the "correct" fix.
> >
> > To that end, what would be the best way to reset the
> permissions on the directories/files properly, removing all
> the Samba ACL's etc? Once they are set as a baseline in POSIX
> then we can tinker with Samba ACL's with the Windows
> permissions again. (And remove acl_xattr:ignore system acls = yes)
I do this like this.
setfacl --recursive --remove-all folder
chmod -R o-rwx folder
chown -R root:root folder
chmod -R 775 folder
And start again, how its back to normal.
>
> Adding on to this, I would like to completely reset all the Windows
> permissions, since the filesystem permissions look good, but
> resetting
> permissions on some folders fails from Windows. If Windows 10 File
> Explorer does not support long paths, then how would someone
> use this to
> reset permissions on deeply nested folders anyway? I've
> determined that
> at after a certain path length the security tab disappears from
> Properties completely!
Interessing, i havent seen that.. I do have seen a bug that make security tab go away..
But thats long ago fixed.
Greetz,
Louis
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