Re: get_printer_list_db: Failed to open printer_list.tdb

On Sunday, 19 April 2026 07:21:28 Central European Summer Time Andreas 
Schneider via samba-technical wrote:
> On Saturday, 18 April 2026 08:44:49 Central European Summer Time Michael
> 
> Tokarev wrote:
> > On 18.04.2026 09:37, Michael Tokarev wrote:
> > ..
> > 
> > > This is rpcd_spoolss, running as a user (uid=1064), doing things as
> > > user which aren't supposed to be run as user.
> > > 
> > > It looks like the whole thing here is quite broken.  It does many
> > > strange things - like constantly poking /root/.krb5/config &
> > > /etc/hx509.conf, constantly creating and destroying epool fd,
> > > and some more.
> > > 
> > > But the most important is that it does the creation of a global
> > > printer_list.db as user, not as root.
> > > 
> > > For now, in order to keep our systems a bit saner, I replaced
> > > contents of get_printer_list_db() with "return NULL" - since
> > > this file is never created anyway, and it has always been that
> > > way, it looks like.  I wonder if I can do the same for debian,
> > > to avoid having two builds (one local one debian), - and if yes,
> > > maybe I can remove whole lot of other code which run this
> > > function.
> > 
> > ..or maybe just revert
> > 
> > commit 9080cd30d517cb50954e440bb4475c2eeb678906
> > Author: Andreas Schneider <[email protected]>
> > Date:   Wed Jun 22 18:56:26 2022 +0200
> > 
> >      s3:printing: Do not clear the printer-list.tdb
> > 
> > which seems to help too (Cc'ing asn@).
> 
> You read the full commit message of that commit, did you?
> 
> 
> Isn't the obvious question, why is the rpcd_spoolss running as a user an not
> root? Without details and log files we don't know. Guessing and reverting
> random commit is not the way how to fix issues.
> 
> Just my 2c
> 

If you want to report a bug:

https://hackmd.io/@asn/SkHk8rXBz

Please attach testparm -s info collect logs, open a bug at https://
bugzilla.samba.org/ and we can take a look what is going on.


	Andreas


-- 
Andreas Schneider                      [email protected]
Samba Team                             www.samba.org
GPG-ID:     8DFF53E18F2ABC8D8F3C92237EE0FC4DCC014E3D



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