samba - Sep 2019 - Change in behaviour for the "%U" substitution in 4.10.8?

Hai, 
?
Well, i did go throught the bug reports, and i could only find one simular thing
but in the printing functions.
https://bugzilla.samba.org/show_bug.cgi?id=13745?
?
Can you run this debug script for me, that give me all i need to know about you
system and setup.
https://raw.githubusercontent.com/thctlo/samba4/master/samba-collect-debug-info.sh
?
Then set debug level 10 and try again. 
if you can pm me the logs, compress them and attach them. 
?
I'll have a look that is happening there. 
?
?
Greetz, 
?
Louis
?
?
?
?
?

Van: gac [mailto:gac at tutanota.com] 
Verzonden: dinsdag 17 september 2019 15:41
Aan: gac
CC: L.P.H. van Belle; samba at lists.samba.org
Onderwerp: Re: [Samba] Change in behaviour for the "%U" substitution
in 4.10.8?



I downgraded the packages to 4.10.7



The issue is fixed; the two shares I use which contain %U in their paths are now
working correctly using the same Windows 7 client logged in as the same user
that breaks on 4.10.8. I realise 4.10.7->4.10.8 was a very small changeset
but it really seems like some behaviour has changed there...



I obviously don't have any error logs (since there is no longer an error)
but if there are any debug level logs which I can turn on to help troubleshoot
this by getting the correct "canonicalize_connect_path" output then
please let me know and I can turn them on



Thanks


17 Sep 2019, 13:11 by samba at lists.samba.org:

Ah, thanks - I'll try with those this afternoon and check the behaviour with
this version



17 Sep 2019, 12:56 by samba at lists.samba.org:

Hai, 



Yes, the repo does not allow different versionnumbers, but i do have all my
versions in backup.



I made a few tar.gz for you so you can test again with 4.10.7 on a local repo.

You can find them here. http://downloads.van-belle.nl/samba4/ 

The 4.10.7 for Stretch Buster and Bionic source and deb's are there to get. 





Greetz, 



Louis





-----Oorspronkelijk bericht-----

Van: samba [mailto:samba-bounces at lists.samba.org] Namens gac via samba

Verzonden: dinsdag 17 september 2019 12:49

Aan: Samba

Onderwerp: Re: [Samba] Change in behaviour for the "%U" 

substitution in 4.10.8?



This is unfortunately still happening - anyone else have any 

other ideas?



As a reminder/summary of the information from earlier in the thread;



- My [homes] share is "path = /shares/DOMAIN/%U"

- I am logging into a Windows 7 client as "DOMAIN\username"

- My log.smbd shows "canonicalize_connect_path failed for 

service username, path /shares/DOMAIN/domain_username" (where 

DOMAIN is the domain name with upper-case letters, domain is 

the domain name with lower-case latters)

- this issue is affecting two shares in total which use the 

%U substitution, both are showing the same error. Any shares 

which use fixed paths are fine, as expected

- this only seemed to start happening when I upgraded to 

4.10.8 from Louis van Belle's repo; I did not see the problem 

with the 4.10.7 packages from the same repo. Unfortunately 

the repo removes old versions of packages so I can't roll 

back to 4.10.7 as a reproduction or workaround



I'd appreciate any more tips, thank you!



6 Sep 2019, 11:53 by samba at lists.samba.org:


> I hadn't, but I did that just now; still the same behaviour.
>
> 6 Sep 2019, 11:49 by samba at lists.samba.org:
>
>> Have you tried running
>>
>> net cache flush
>>
>> after you have removed the SERVER lines from you config?
>>
>> Regards
>>
>>
>> Am 06.09.19 um 12:33 schrieb gac via samba:
>>
>>> I've now changed the ownership to root, as you suggest.
>>>
>>> I've removed the ACLs from /shares/DOMAIN - they don't 
need to be there as anyone can enter this directory already 

so there's no need for them.
>>>
>>> The ACLs on my individual home directory:
>>>
>>> root at server:/shares# getfacl /shares/DOMAIN/username
>>> getfacl: Removing leading '/' from absolute path names
>>> # file: shares/DOMAIN/username
>>> # owner: username
>>> # group: domain\040users
>>> user::rwx
>>> user:www-data:--x
>>> group::---
>>> mask::r-x
>>> other::---
>>>
>>> Still no joy, and the logs are still showing:
>>>
>>> canonicalize_connect_path failed for service username, 
path /shares/DOMAIN/domain_username
>>>
>>> Thanks for all your advice so far but I still don't 
believe this is a permissions problem, Samba is trying to 

access a directory which simply does not exist, and never has 

existed...
>>> 6 Sep 2019, 11:19 by samba at lists.samba.org:
>>>
>>>> On 06/09/2019 11:12, gac wrote:
>>>>
>>>>> I imagine the numeric UID is my old boss who left the 
company a few years ago, and by this point his account has 

been removed, not just disabled. The only thing contained by 

the DOMAIN directory is a home directory for each user, which 

is owned by them. So I don't _think_ this is the problem.
>>>>>
>>>>> The command you suggested returns:
>>>>>
>>>>> winbind_lookup_rids failed: WBC_ERR_DOMAIN_NOT_FOUND
>>>>>
>>>>> The ACLs are to allow --x access for the 'www-data'
into users home directories for use with Apache+mod_userdir, 

and then r-x access for their www directory
>>>>>
>>>> Try changing the ownership of /shares/DOMAIN to root
>>>>
>>>> What about the getfacl commands ?
>>>>
>>>> Rowland
>>>>
>>>>
>>>>
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