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LCG-ROLLOUT  September 2008

LCG-ROLLOUT September 2008

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Subject:

Re: VOMS upgrade ACL problem

From:

Alessandro Paolini <[log in to unmask]>

Reply-To:

LHC Computer Grid - Rollout <[log in to unmask]>

Date:

Wed, 10 Sep 2008 17:48:35 +0200

Content-Type:

text/plain

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text/plain (148 lines)

Mike Kenyon ha scritto:
> Hi Hernath,
>
> I think you're encountering the same problem which we came across at 
> Glasgow.
>
> We fixed it by setting the Global ACL so that "Anyone who presents a 
> certificate issued by a known CA" is "allowed" to "list" members of 
> the VO.
>
> Thus, our global ACL table now looks like this:
>
> Allow    Operation    Admin DN    Admin CA
> Allow     all     Anyone with role /vo.nanocmos.ac.uk/Role=VO-Admin
> Allow     all     /C=UK/O=eScience/OU=Glasgow/L=Compserv/CN=michael 
> kenyon
> Allow     list     Anyone who presents a certificate issued by a known CA
Hi,
these rules are valids for VOMS 3.0, instead for VOMS 3.1, as written by 
Dimitris, it need to set "Anyone" with read permissions for container 
and membership rights, so that in the ACL menu is listed
Any Authenticated User
Dummy Certificate Authority

Cheers,
Alessandro
>
>
> It's the latter of these entries which fixed the problem.
>
> See the ScotGrid WIKI at 
> http://www.scotgrid.ac.uk/wiki/index.php/Glasgow_VOMS_server_administration#Internal_Server_Error_when_trying_to_getGridmapUsers.3F 
>
> for more detailed info.
>
> Cheers,
> Mike.
>
>
> Hernath Szabolcs wrote:
>> Hi,
>>
>> On Wed, 10 Sep 2008, Dimitris Zilaskos wrote:
>>> What other groups and ACLs are there?
>>
>> Copypasting from the VOMS-Admin webinterface:
>>
>> ________________________________________________________________________
>> Admin DN & CA        Container  Membership  ACL  Attributes  Requests
>> ------------------------------------------------------------------------
>> Hernath Szabolcs HUNGRID
>> KFKI RMKI CA         rw       rw            rwd    rw    rw
>>
>> host
>> KFKI RMKI CA         rw       rw         rwd    rw    rw
>>
>> /hungrid/Role=VO-Admin
>> VOMS Role         rw       rw        rwd    rw    rw
>> _______________________________________________________________________
>>
>> i.e. three more ACLs. First is my VO Admin DN, second seemed to be 
>> there by default, third as well...
>>
>>
>> Szabolcs
>>
>>
>>
>>>
>>>
>>> Hernath Szabolcs wrote:
>>>>  Hi Dimitris,
>>>>
>>>>  On Wed, 10 Sep 2008, Dimitris Zilaskos wrote:
>>>> >  In your top group ACL, do you have
>>>> > >  Any Authenticated User
>>>> >  Dummy Certificate Authority
>>>> >          listed?
>>>>
>>>>  Yes, right now with read permission for all categories. Previosly 
>>>> with
>>>>  read for 'Container' & 'Membership'. No difference, clients seem 
>>>> to have
>>>>  insufficient rights to list members...
>>>>
>>>>
>>>>
>>>> > >  Hernath Szabolcs wrote:
>>>> > >   Dear List,
>>>> > > > >  we have upgraded a VOMS server from gLite 3.0 -> 3.1, 
>>>> using the > >  'upgrade'
>>>> > >   procedure of the gLite VOMS Server Installation & 
>>>> Configuration Guide
>>>> > >   (section 3). Voms runs fine and signs proxies all right, but 
>>>> > >   voms-admin
>>>> > >   has issues.
>>>> > > > >  Although the default ACL has been set as per the guide 
>>>> ("Container > >  rights:
>>>> > >   Read permission" and "Membership rights: Read permission" for 
>>>> the top
>>>> > >   group, see section 3.7), stil only VO Admins can get a 
>>>> memberlist, > >  and as
>>>> > >   a consequence, relevant grid-mapfile sections cannot be 
>>>> generated.
>>>> > > > >  gLite security trustmanager acknowledges the authenticated 
>>>> entities, > >  but
>>>> > >   clients get an internal server error:
>>>> > > > >   
>>>> org.glite.security.voms.admin.common.VOMSAuthorizationException:
>>>> > >   Insufficient privileges to perform "ListMemberNamesOperation"
>>>> > > > >   Even extending the ACL with read permission to all rights 
>>>> did not > >   help.
>>>> > >   Any help is appreciated. Thankyou,
>>>> > >   Regards
>>>> > > > >   Szabolcs Hernath
>>>> > > 
>>>
>>>
>>>
>>> -- 
>>> ============================================================================= 
>>>
>>> Dimitris Zilaskos
>>> GridAUTH Operations Centre @ Aristotle University of Thessaloniki , 
>>> Greece
>>> Tel: +302310998988 Fax: +302310994309
>>> http://www.grid.auth.gr
>>> ============================================================================= 
>>>
>>>


-- 
Dr. Alessandro Paolini
INFN - CNAF
Viale Berti Pichat 6/2
40127 Bologna
Italy
tel: +39 051 6092723
fax: +39 051 6092746
ICQ: 192172027
skype: alex.paolini
**********************
"credo nel potere del riso e delle lacrime"
   "come antidoto all'odio ed al terrore"
        "un giorno senza un sorriso"
             "è un giorno perso" >>> Charlie Chaplin

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