On 09/11/2013 09:27 PM, Dean Hunter wrote:
> On Wed, 2013-09-11 at 21:10 -0400, Dmitri Pal wrote:
>> On 09/11/2013 08:49 PM, Dean Hunter wrote:
>>> On Wed, 2013-09-11 at 11:49 -0400, Simo Sorce wrote:
>>>> On Wed, 2013-09-11 at 10:39 -0500, Dean Hunter wrote:
>>>> > On Wed, 2013-09-11 at 11:20 -0400, Simo Sorce wrote: 
>>>> > > On Wed, 2013-09-11 at 08:39 -0500, Dean Hunter wrote:
>>>> > > 
>>>> > > > I do NOT believe this:
>>>> > > >         [dean@ipa2 ~]$ ssh dean@desktop2
>>>> > > >         Last login: Wed Sep 11 08:32:21 2013 from ipa2.hunter.org
>>>> > > >         Could not chdir to home directory /home/net/dean: Permission
>>>> > > >         denied
>>>> > > >         -bash: /home/net/dean/.bash_profile: Permission denied
>>>> > > >         
>>>> > > >         -bash-4.2$ logout
>>>> > > >         -bash: /home/net/dean/.bash_logout: Permission denied
>>>> > > >         Connection to desktop2 closed.
>>>> > > >         
>>>> > > >         [dean@ipa2 ~]$ su -
>>>> > > >         Password: 
>>>> > > >         
>>>> > > >         [root@ipa2 ~]# ssh dean@desktop2
>>>> > > >         dean@desktop2's password: 
>>>> > > >         Last login: Wed Sep 11 08:34:29 2013 from ipa2.hunter.org
>>>> > > >         
>>>> > > >         [dean@desktop2 ~]$ logout
>>>> > > >         Connection to desktop2 closed.
>>>> > > >         
>>>> > > >         [root@ipa2 ~]# logout
>>>> > > >         
>>>> > > >         [dean@ipa2 ~]$ ssh dean@desktop2
>>>> > > >         Last login: Wed Sep 11 08:35:16 2013 from ipa2.hunter.org
>>>> > > >         
>>>> > > >         [dean@desktop2 ~]$ 
>>>> > > > 
>>>> > > 
>>>> > > Are you using a kerberized NFS mount ?
>>>> > > 
>>>> > > I think what is happening is that when going via SSH rpc.gssd cannot
>>>> > > find your ticket, ssh may be doing something "wrong" in this case.
>>>> > > 
>>>> > > Simo.
>>>> > > 
>>>> > Yes, I am using Kerberos with NFS.
>>>> > 
>>>> > Should I report this as a bug?
>>>> > 
>>>> We need to decide what component is faulty. It may be possible we can
>>>> get it working somehow.
>>>>
>>>> When you ssh in what is the ccache ssh assign you ?
>>>> can you run klist and post the output (sanitize it if needed) ?
>>>>
>>>> Simo.
>>>>
>>> I hope this is what you requested:
>>>
>>>     [dean@ipa2 <mailto:dean@ipa2> ~]$ klist
>>>     Ticket cache: DIR::/run/user/1387400001/krb5cc/tktFDDxRR
>>>     Default principal: d...@hunter.org <mailto:d...@hunter.org>
>>>
>>>     Valid starting     Expires            Service principal
>>>     09/11/13 19:43:28  09/12/13 19:43:28 
>>>     krbtgt/hunter....@hunter.org <mailto:hunter....@hunter.org>
>>>
>>>     [dean@ipa2 <mailto:dean@ipa2> ~]$ ssh dean@desktop2
>>>     <mailto:dean@desktop2>
>>>     Last login: Wed Sep 11 19:41:48 2013 from ipa2.hunter.org
>>>     Could not chdir to home directory /home/net/dean: Permission denied
>>>     -bash: /home/net/dean/.bash_profile: Permission denied
>>>
>>>     -bash-4.2$ hostname
>>>     desktop2.hunter.org
>>>
>>>     -bash-4.2$ klist
>>>     klist: No credentials cache found (ticket cache
>>>     FILE:/tmp/krb5cc_1387400001)
>>>
>>>     -bash-4.2$ logout
>>>     -bash: /home/net/dean/.bash_logout: Permission denied
>>>     Connection to desktop2 closed.
>>>
>>>     [dean@ipa2 <mailto:dean@ipa2> ~]$ klist
>>>     Ticket cache: DIR::/run/user/1387400001/krb5cc/tktFDDxRR
>>>     Default principal: d...@hunter.org <mailto:d...@hunter.org>
>>>
>>>     Valid starting     Expires            Service principal
>>>     09/11/13 19:43:28  09/12/13 19:43:28 
>>>     krbtgt/hunter....@hunter.org <mailto:hunter....@hunter.org>
>>>     09/11/13 19:44:43  09/12/13 19:43:28 
>>>     host/desktop2.hunter....@hunter.org
>>>     <mailto:desktop2.hunter....@hunter.org>
>>>
>>>     [dean@ipa2 <mailto:dean@ipa2> ~]$
>>>
>>>
>>>
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>> Do I get it right: you tried twice and the first time it did not work
>> while the second it did?
>> There might be a race condition mounting your home directory using
>> your ticket.
>>
>> -- 
>> Thank you,
>> Dmitri Pal
>>
>> Sr. Engineering Manager for IdM portfolio
>> Red Hat Inc.
>>
>>
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>
> Starting clean after rebuilding ipa2 and desktop2 and a gdm login to
> ipa2 as dean, if I "ssh dean@desktop2 <mailto:dean@desktop2>" it will
> consistently fail as noted in my last note.  However, if I:
>
>  1. su -
>  2. ssh dean@desktop2 <mailto:dean@desktop2>
>  3. logout of dean@desktop2 <mailto:dean@desktop2>
>  4. logout of root@ipa2 <mailto:root@ipa2>
>
> then "ssh dean@desktop2" <mailto:dean@desktop2> succeeds!
>
> Does that answer your question?  So I do not think there is a race. 
> It is more like the super user session leaves something behind that
> was missing?

Does it succeed if after step 3 but before step 4 you do kdestoy?


-- 
Thank you,
Dmitri Pal

Sr. Engineering Manager for IdM portfolio
Red Hat Inc.


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