Weird error from Mac on connecting to Samba: The folder "blah" can't be opened because shutup

[Richard Sharpe]

On Fri, Aug 17, 2018 at 7:07 PM, Jeremy Allison <jra at samba.org> wrote:
> On Fri, Aug 17, 2018 at 06:10:57PM -0700, Richard Sharpe wrote:
>> On Thu, Aug 16, 2018 at 4:26 PM, Christof Schmitt <cs at samba.org> wrote:
>> > On Thu, Aug 16, 2018 at 04:15:50PM -0700, Jeremy Allison via samba-technical wrote:
>> >> On Thu, Aug 16, 2018 at 04:03:18PM -0700, Richard Sharpe via samba-technical wrote:
>> >> > Hi folks,
>> >> >
>> >> > I am getting the following error when connecting to a share on a Samba
>> >> > 4.7.1 system (without the Mac Spotlight VFS etc):
>> >> >
>> >> > 'The folder "blah" can't be opened because you don't have permissions
>> >> > to see it's contents."
>> >> >
>> >> > However, there are no SMB requests showing ACCESS DENIED.
>> >> >
>> >> > I do see a lot of attempts to open files like ._? and .Spotlight-V100
>> >> > and so forth, none of which exist, and I see an FSCTL to
>> >> > SRV_REQUEST_RESUME_KEY which returns an internal error.
>> >> >
>> >> > Can anyone say what is going on and how to prevent such errors?
>> >>
>> >> Are you loading the vfs_fruit module ? Do you get these
>> >> errors with that loaded ?
>> >
>> > RESUME_KEY returning INTERNAL_ERROR could also be caused by the
>> > time_audit bug. Fixed in
>> > https://bugzilla.samba.org/show_bug.cgi?id=13568
>>
>> No.
>>
>> The problem is that Mac OS X is very sensitive to the response to MXAC.
>>
>> Windows is not so sensitive to it.
>>
>> I had a change that made MXAC result in very few permissions, like
>> only Synchronize and Read Attributes, and the Mac did not like that.
>
> So are you returning the accurate MXAC permission set ?
>
> It's only advisory, you could lie :-).

We are now, however, it appears Macs take a dim view of you lying.

-- 
Regards,
Richard Sharpe
(何以解憂？唯有杜康。--曹操)(传说杜康是酒的发明者)