smbclient (and other samba utilities) do not refer to krb5.conf when
figuring out the kerberos realm.
you will have to put to your krb5.conf on both client and server:
[domain_realms]
cifs.example.com = realm.example.com
Otherwise it will just try to use example.com as the realm.
On 6/6/08, Derek Taylor <[EMAIL PROTECTED]> wrote:
> On Tue, 03 Jun 2008, Atte Peltomki wrote:
>>You will have to adjust your krb5.conf to map a given domain or hostname
>>to a kerberos realm, if you are doing cross-realm authentication. See MIT
>>kerberos admin guide for details.
>
> I'm pretty sure it's set up ok. I can use smbclient -k just fine:
> $ kinit
> [EMAIL PROTECTED]'s Password:
> kinit: NOTICE: ticket renewable lifetime is 1 week
> $ klist
> Credentials cache: FILE:/tmp/krb5cc_1001
> Principal: [EMAIL PROTECTED]
>
> Issued Expires Principal
> Jun 6 15:08:47 Jun 7 01:08:47 krbtgt/[EMAIL PROTECTED]
> $ smbclient -k -U det135 //cifs.example.com/dir1
> OS=[Unix] Server=[Samba 3.0.30]
> smb: \> ls
> . D 0 Thu Feb 14 14:46:42 2008
> .. D 0 Fri Jun 6 10:16:29 2008
> [ other files/directories here ]
>
> smb: \> quit
> $ cd ~/mount/smbbeta.pass.psu.edu/pass
> $ ls
> ls: .: Permission denied
> $ klist
> Credentials cache: FILE:/tmp/krb5cc_1001
> Principal: [EMAIL PROTECTED]
>
> Issued Expires Principal
> Jun 6 15:08:47 Jun 7 01:08:47 krbtgt/[EMAIL PROTECTED]
> Jun 6 15:09:17 Jun 7 01:08:47 cifs/[EMAIL PROTECTED]
> $
>
> -Derek.
>
>>On 6/3/08, Derek Taylor <[EMAIL PROTECTED]> wrote:
>>> On Tue, 03 Jun 2008, Harti Brandt wrote:
>>>>On Tue, 3 Jun 2008, Derek Taylor wrote:
>>>>
>>>>DT>On Thu, 22 May 2008, Hartmut Brandt wrote:
>>>>DT>>Derek Taylor wrote:
>>>>DT>>> This question was previously posed of the freebsd-questions list,
>>>> but
>>>>DT>>> with no response for a week, I'd like to try my luck here. If
>>>> there's
>>>>DT>>> any more information I should include, please speak up: I would be
>>>> glad
>>>>DT>>> to oblige.
>>>>DT>>>
>>>>DT>>> I would like to use smb/cifs with kerberos auth, but mount_smbfs
>>>> doesn't
>>>>DT>>> seem to support this.
>>>>DT>>>
>>>>DT>>> Is anyone aware of an alternate means of performing a mount via
>>>> smb/cifs
>>>>DT>>> or any patches to provide such functionality?
>>>>DT>>>
>>>>DT>>> I already have smbclient working with -k, but I am also interested
>>>> in
>>>> a
>>>>DT>>> mount.
>>>>DT>>
>>>>DT>>Try smbnetfs from ports. It's fuse based and seems to work very nice.
>>>> If
>>>>DT>>you have a large amount of shares floating in your network you want
>>>> to
>>>>DT>>restrict it to mount only the needed shares via the config file.
>>>>DT>>Otherwise it will mount what it can find...
>>>>DT>>
>>>>DT>>It plays nicely with kerberors. When your ticket expires you
>>>> immediately
>>>>DT>>loose access; when you renew it you gain access again. All without
>>>> the
>>>>DT>>need to unmount/mount. Just call smbnetfs once you have your ticket.
>>>> You
>>>>DT>>may even do this from your .profile.
>>>>DT>>
>>>>DT>>harti
>>>>DT>
>>>>DT>Sorry for not replying sooner.
>>>>DT>
>>>>DT>Initial tests here are promising (I can see some mount paths being
>>>>DT>exported from the server), but it's not fully working (I don't see all
>>>>DT>of the mount paths that *should* be exported and I get permission
>>>> denied
>>>>DT>errors). My thoughts are leaning towards an issue in negotiating auth
>>>>DT>with the server -- perhaps my krb creds aren't being used?
>>>>
>>>>You can test this easily: if your ticket expires you get permission
>>>> denied
>>>>errors when you try to look into the mounted directories. As soon as you
>>>>renew the ticket you get access again. All without restarting smbnetfs.
>>>>
>>>>harti
>>>
>>> I replaced all server names below with "example.com" (and derivatives)
>>> where appropriate:
>>>
>>> From my FreeBSD machine, using smbnetfs:
>>>
>>> $ klist
>>> klist: No ticket file: /tmp/krb5cc_1001
>>> $ kinit det135
>>> [EMAIL PROTECTED]'s Password:
>>> kinit: NOTICE: ticket renewable lifetime is 1 week
>>> $ klist
>>> Credentials cache: FILE:/tmp/krb5cc_1001
>>> Principal: [EMAIL PROTECTED]
>>>
>>> Issued Expires Principal
>>> Jun 3 11:51:20 Jun 3 21:51:04
>>> krbtgt/[EMAIL PROTECTED]
>>> $ cd ~/mount/cifs.example.com/dir1
>>> $ ls
>>> ls: .: Permission denied
>>> $ cd ..
>>> $ ls
>>> dir1 dir2
>>> $ klist
>>> Credentials cache: FILE:/tmp/krb5cc_1001
>>> Principal: [EMAIL PROTECTED]
>>>
>>> Issued Expires Principal
>>> Jun 3 11:51:20 Jun 3 21:51:04
>>> krbtgt/[EMAIL PROTECTED]
>>>
>>>
>>> From my Mac, using (from Finder)
>>> Go -> Connect to Server -> cifs://cifs.example.com/dir1
>>>
>>> $ klist
>>> klist: No Kerberos 5 tickets in credentials cache
>>> $ kinit det135
>>> Please enter the password for [EMAIL PROTECTED]:
>>> $ klist
>>> Kerberos 5 ticket cache: 'API:Initial default ccache'
>>> Default principal: [EMAIL PROTECTED]
>>>
>>> Valid Starting Expires Service Principal
>>> 06/03/08 11:59:41 06/03/08 21:59:41
>>> krbtgt/[EMAIL PROTECTED]
>>> renew until 06/10/08 11:59:41
>>>
>>> #### Here I mount via Finder before continuing with the commands below
>>>
>>> $ cd /Volumes/dir1/
>>> $ ls
>>> subdir1 subdir2 file1 file2
>>> $ klist
>>> Kerberos 5 ticket cache: 'API:Initial default ccache'
>>> Default principal: [EMAIL PROTECTED]
>>>
>>> Valid Starting Expires Service Principal
>>> 06/03/08 11:59:41 06/03/08 21:59:41
>>> krbtgt/[EMAIL PROTECTED]
>>> renew until 06/10/08 11:59:41
>>> 06/03/08 12:00:31 06/03/08 21:59:41
>>> cifs/[EMAIL PROTECTED]
>>> renew until 06/10/08 11:59:41
>>>
>>>
>>> It looks like my creds aren't being used on the FreeBSD machine.
>>>
>>> -Derek.
>>> _______________________________________________
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>>>
>>
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