[Samba] Permission denied when chainbuilding packages with mock

[L.P.H. van Belle]

As someone replied my recently.. 


This issue appears to have stemmed from me running Samba in a k8s container
without CAP_SYS_ADMIN which is apparently required for extended attributes. 

I ended up building 4.15 from source with this patch applied:
https://gitlab.com/samba-team/samba/-/merge_requests/1908 and added
xattr:unprotected_ntacl_name = user.NTACL to my smb.conf,

I dont know if you/openmediavault uses containers, but this might be worth a try.


Greetz, 

Louis




> -----Oorspronkelijk bericht-----
> Van: samba [mailto:samba-bounces at lists.samba.org] Namens 
> Julian Sikorski via samba
> Verzonden: dinsdag 28 september 2021 11:29
> Aan: samba at lists.samba.org
> Onderwerp: Re: [Samba] Permission denied when chainbuilding 
> packages with mock
> 
> W dniu 28.09.2021 o 11:08, Rowland Penny via samba pisze:
> > On Tue, 2021-09-28 at 10:53 +0200, Julian Sikorski via samba wrote:
> >> Hi list,
> >>
> >> since a few weeks I am no longer able to chainbuild packages with
> >> mock
> >> when localrepo is pointed to a samba share.
> > 
> > Has anything changed, any updares etc ?
> 
> On the client samba packages were updated from 4.14.6 to 
> 4.14.7 on 1st 
> September, but looking at my history it appears that the chainbuilds 
> were working at least shortly after 16th September. I do not have the 
> history for the server because /var/log is stored in a 
> ramdisk by armbian.
> If I am not mistaken, I have deleted the repodata folder on the samba 
> share before the issue started happening and since then the 
> chainbuilds 
> stopped working. I am not 100% sure though.
> 
> > 
> >>   The client error is:
> >>
> >> Error calculating checksum
> >> /mnt/openmediavault/kernel/results/fedora-34-x86_64/pesign-113-
> >> 16.fc35/pesign-113-16.fc34.x86_64.rpm:
> >> (39, fsync failed: Permission denied)
> >>
> >> I was able to get the server to generate a log, there are
> >> NT_STATUS_NO_EAS_ON_FILE and NT_STATUS_ACCESS_DENIED 
> errors present.
> >> My
> >> client is a Fedora 34 x86_64 machine, the server is
> >> armbian/openmediavault. Does anybody have any ideas what 
> is going on,
> >> or
> >> how can I check which request is getting access denied exactly?
> >>
> > 
> > Can you post the two smb.conf files and the Samba versions.
> Sure. Versions are as follows:
> 
> Client: samba-client-4.14.7-0.fc34.x86_64
> Server: samba-common/oldstable,oldstable,now 2:4.9.5+dfsg-5+deb10u1
> 
> smb.conf files are attached. The share is mounted on the 
> client with the 
> following /etc/fstab entry:
> //odroidxu4.local/julian /mnt/openmediavault    cifs 
> credentials=/home/julas/.credentials,uid=julas,gid=julas,vers=
> 3.1.1,nobrl,_netdev,auto 
> 0 0
> 
> > 
> > Rowland
> > 
> > 
> > 
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