[Samba] Why some user names are not resolved by 'getfacl' ?

[Rowland penny]

On 24/02/2021 20:55, Nicola Mingotti via samba wrote:
>
> ERRATA CORRIGE.
>
> ---- wrong ----
> WINDOM\riccardo at nas $> getfacl aaa-test-riccardo-2/
> -------------
>
> To change with
> ------------------
> WINDOM\riccardo at nas> getent passwd
> ------------------
>
> Sorry
>
> n.
>
>
> On 2/24/21 9:49 PM, Nicola Mingotti wrote:
>> Hi,
>>
>> I have a Samba NAS and a Samba DC. Both running in Linux Debian 10, 
>> stable.
>> Samba installed via .deb packages.
>>
>> Recently i found this strange behavior in 'getfacl' output. Some user 
>> names
>> are correctly reported, for others instead only a number is shown.
>>
>> Note that, if the same domain user runs
>> -------
>> WINDOM\riccardo at nas $> getfacl aaa-test-riccardo-2/
>> -------
>> all usernames are correctly shown.
>> So, for example:
>> -------
>> WINDOM\riccardo at nas> getent passwd | grep 10512
>> WINDOM\adam1:*:11127:10512::/home/WINDOM-adam1:/bin/bash
>> ---------
>>
>> Misbehavior example. Observe user '10512' is not resolved to 
>> 'WINDOM\adam1', for example.
>> ------------------------------
>> WINDOM\riccardo at nas $> getfacl aaa-test-riccardo-2/
>> ---- long output ------
>> # file: aaa-test-riccardo-2/
>> # owner: root
>> # group: adm
>> user::rwx
>> user:10512:rwx
>> user:10513:r-x
>> user:11157:rwx
>> user:11159:r-x
>> user:11173:r-x
>> user:11180:rwx
>> group::r-x
>> group:WINDOM\\domain\040admins:rwx
>> group:WINDOM\\domain\040users:r-x
>> group:WINDOM\\riccardo:rwx
>> group:WINDOM\\g-ufficiotecnico:rwx
>> group:WINDOM\\g-leggitutto:r-x
>> group:WINDOM\\g-utentiufficio:r-x
>> group:WINDOM\\g-foto-video:rwx
>> mask::rwx
>> other::---
>> default:user::rwx
>> default:user:10512:rwx
>> default:user:10513:r-x
>> default:user:WINDOM\\riccardo:rwx
>> default:user:11157:rwx
>> default:user:11159:r-x
>> default:user:11173:r-x
>> default:user:11180:rwx
>> default:group::r-x
>> default:group:WINDOM\\domain\040admins:rwx
>> default:group:WINDOM\\domain\040users:r-x
>> default:group:WINDOM\\g-ufficiotecnico:rwx
>> default:group:WINDOM\\g-leggitutto:r-x
>> default:group:WINDOM\\g-utentiufficio:r-x
>> default:group:WINDOM\\g-foto-video:rwx
>> default:mask::rwx
>> default:other::---
>> ------------------
>>
>> I rebooted the NAS, that was of no help.
>>
>> I can tell you that this directory was made by a Windows system.
>> If a make the same directory, with the same domain user, but from
>> a Linux system the result is much shorter.
>>
>> Thank in advance for any hint you may give me !
>>
>> bye
>> Nicola
>>
>>
>>
>>
>

There is something going wrong here, can you post the smb.conf files 
from the NAS and DC.

Rowland