samba - Jan 2015 - wbinfo -u and -t: works on one machine, fails on another

Hello,

On machine 1, running Fedora 20, I can get "wbinfo -u" to provide a
list of windows domain "MYCOMPANY.CORP" users by first launching
winbindd and passing this three line conf file:

[global]
        workgroup = MYCOMPANY
        security = ads

Note that I am somewhat curious as to how wbinfo is able to obtain
this user list even though nowhere do I supply a username or password
of any user or administrator on the MYCOMPANY.CORP domain.  I'm also
curious why the conf file uses the term "workgroup" to refer to my
windows domain.

==
Strangely on my Fedora 21 machine, the same process does not work.
/var/log/samba/log.winbindd shows nothing of interest even up to -d
10.  Even more strange is that "wbinfo -p" shows success on this
machine even when neither winbindd nor smbd are running.

==
Can you suggest logs/documentation to look at (on linux or windows) to
understand why wbinfo -u fails on one machine but succeeds on another?
 FYI I have turned off selinux and firewall for the machine that
fails.

Thank you,

Chris

On 26/01/15 20:27, Chris Stankevitz wrote:
> Hello,
>
> On machine 1, running Fedora 20, I can get "wbinfo -u" to provide
a
> list of windows domain "MYCOMPANY.CORP" users by first launching
> winbindd and passing this three line conf file:
>
> [global]
>          workgroup = MYCOMPANY
>          security = ads
>
> Note that I am somewhat curious as to how wbinfo is able to obtain
> this user list even though nowhere do I supply a username or password
> of any user or administrator on the MYCOMPANY.CORP domain.  I'm also
> curious why the conf file uses the term "workgroup" to refer to
my
> windows domain.
>
> ==>
> Strangely on my Fedora 21 machine, the same process does not work.
> /var/log/samba/log.winbindd shows nothing of interest even up to -d
> 10.  Even more strange is that "wbinfo -p" shows success on this
> machine even when neither winbindd nor smbd are running.
>
> ==>
> Can you suggest logs/documentation to look at (on linux or windows) to
> understand why wbinfo -u fails on one machine but succeeds on another?
>   FYI I have turned off selinux and firewall for the machine that
> fails.
>
> Thank you,
>
> Chris
Seeing as how you are using Fedora, it is probably sssd.

Rowland

On Mon, Jan 26, 2015 at 12:45 PM, Rowland Penny
<rowlandpenny at googlemail.com> wrote:
> Seeing as how you are using Fedora, it is probably sssd.
Rowland,

You were correct.  strace led me to a package called sssd-libwbclient
which was the source of the problem.  I uninstalled sssd-libwbclient
(one of many sss-themed packages) and it worked.  Afterward I googled
"samba sssd-libwbclient" and uncovered a bug report which apparently
identifies and fixes the underlying problem:
https://bugzilla.redhat.com/show_bug.cgi?id=1175511

Thank you for your help.  Had I held more faith in it I would have
solved my problem sooner.

Chris