[Samba] Fwd: Change notify/Directory enumeration issue with two MAC OS X El Capitan accessing same folder

[Partha Sarathi]

Thanks Jeremy/Ralph, for the quick response.  Please see my in-line answers

On Sat, Jan 30, 2016 at 1:13 AM, Ralph Boehme <rb at sernet.de> wrote:

> Hi!
>
> On Sat, Jan 30, 2016 at 08:49:59AM +0100, Jeremy Allison wrote:
> > On Fri, Jan 29, 2016 at 05:28:22PM -0800, Partha Sarathi wrote:
> > > Hi Folks,
> > >
> > > We are seeing an issues where two OS X El Capitan clients opened a
> folder
> > > and one of them creates a "New Folder" (untitled folder) and renames
> it, on
> > > the other MAC client explorer the "unititled folder" remains same and
> > > unable to access it.
> > >
> > > Note: The samba version is 4.1.19 and we have not used the  vfs_fruit
> > > module.
> > >
> > > attached packet capture where the SMB2 Find responses are failing with
> > > STATUS_OBJECT_NOT_FOUND for the find requests with "apple double"
> search
> > > pattern.
> > >
> > > Please filter packets for  ip.addr == 192.168.200.171 and at last find
> > > requests are having search pattern "._?" etc i.e "apple double" after
> few
> > > SMB2 notify responses.
> > >
> > > So will this issues fixes by vfs_fruit module or  by latest SAMBA ?
> >
> > No attachment I'm afraid.
>
> it was attached in a resend.
>
> > Is the client watching the directory getting a ChangeNotify reply
> > after the rename ?
>
> Yes, the client is getting a proper ChangeNotify, from a quick check
> it looks like the server is behaving correctly.
>
> > The only way to determine if Ralph already fixed
> > this is to download master or v4.4 and give it
> > a local test.
>
> As he's not using fruit on his system and fruit doesn't deal with
> change notifies at all, if it's fixed in a later relase, I didn't fix
> it. :)
>
> Anyway, Partha please test with a later release. If the problem
> persists, I'd check if you can reproduce the issue against a Windows
> server and if it works there, compare network traces bit by bit.
>


I tested against windows2k12R2 and it does not have this issue.

I will test against samba4.4 with/without fruit and will update my findings.

>
> Oh, and dropping samba-users list from cc.
>
> -Ralph
>
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