[OpenAFS] asetkey, aklog and weird key/principal

Tue, 09 Jan 2007 09:45:48 -0500

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Turbo Fredriksson wrote:
>>>>>> "Douglas" == Douglas E Engert <deengert@anl.gov> writes:
> 
>     Douglas> The account name (ktpass -mapuser) could be city_afs and
>     Douglas> the SPN=afs/europe.ad.<domain>@<DOMAIN>
> 
> Oki, the admin have now create a keytab using:
> 
> ----- s n i p -----
> ktpass -princ afs/<cell>@<REALM> -mapuser <city>_afs -pass * -crypto DES-CBC-MD5 -out c:\temp\unixkeytab
> Targeting domain controller: <domaincontroller>
> Successfully mapped afs/<cell> to <city>_afs.
> Type the password for afs/<cell>:
> Type the password again to confirm:
> WARNING: pType and account type do not match. This might cause  problems.
> Key created.
> Output keytab to c:\temp\unixkeytab:
> Keytab version: 0x502
> keysize 75 afs/<cell>@<REALM> ptype 0
> (KRB5_NT_UNKNOWN) vno 3 etype 0x3 (DES-CBC-MD5) keylength 8 (0xe9801968ba2aada4) 

The avoid the pType warning add

  -pType KRB5_NT_PRINCIPAL

Be aware that you just published your key to the world.  of course this
one doesn't work, but the one created with ktutil is correct and is of
course now public.

Has -DesOnly been set on the account?

> ----- s n i p -----
> 
> Unfortunatly this gives me other problems:
> 
> ----- s n i p -----
> root@<afsserver>:/usr/afs/etc# asetkey add 3 unixkeytab afs/<cell>@<REALM>

Did you restart the servers?  Or touch the server's "CellServDB" file?

> root@<afsserver>:/usr/afs/etc# bos restart localhost -all -localauth

Now you did.

> root@<afsserver>:/usr/afs/etc# klist
> Ticket cache: FILE:/tmp/krb5cc_0
> Default principal: admin@<REALM>
> 
> Valid starting     Expires            Service principal
> 01/09/07 11:11:00  01/09/07 17:51:00  krbtgt/<REALM>@<REALM>
> 01/09/07 11:11:07  01/09/07 17:51:00  afs/<cell>@<REALM>

What does "klist -e" report the enc-types as?

> I've inquired what version of ktpass.exe/os the're running
> on the AD, but haven't got a reply yet (probably lunch :)...

> Just if it matters, I compared the keyfiles as well.
> 
> ----- s n i p -----
> root@nnwux002:/usr/afs/etc# klist -k unixkeytab -t -K
> Keytab name: FILE:unixkeytab
> KVNO Timestamp         Principal
> ---- ----------------- --------------------------------------------------------
>    3 01/01/70 01:00:00 afs/<cell>@<REALM> (0xe9801968ba2aada4)
> root@nnwux002:/usr/afs/etc# klist -k keytab.file -t -K
> Keytab name: FILE:keytab.file
> KVNO Timestamp         Principal
> ---- ----------------- --------------------------------------------------------
>    3 01/09/07 11:14:13 afs/<cell>@<REALM> (0x83dab01c6bb03701)
> root@nnwux002:/usr/afs/etc# 
> ----- s n i p -----
> 
> They ARE different, but since neither work... ? Did I miss restarting
> something?  I'we been waiting for more than the 'AD sync time' so it
> can't be that...

You have already restarted everything via the bos restart command so
you should be good from that perspective.  I'm going to place my bet on
the enc-type of the ticket.

Jeffrey Altman

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