Grouper Users - Open Discussion List

[Loris Bennett <>]

Hi Gary,

On Thu, 2009-03-19 at 13:50 +0000, GW Brown, Information Systems and
Computing wrote:
> Hi Loris,
> 
> when you attempt to access /grouper-dev/ do you see the Grouper splash 
> screen with a login link or are you prompted for credentials immediately?

I get the Grouper splash screen.

> Do you map users to the grouper_user role?

No.

> What might be happening is that you successfully authenticate against LDAP 
> but are not assigned the grouper_user role required by the security 
> constraint in the web.xml. The security constraint only applies to 
> login.do. After that we depend on a session variable. So authentication 
> works, the role check fails, on going to /grouper-dev/ again the grouper ui 
> sees a 'remoteUser' and creates a session.
> 
> You could try replacing the auth-constraint role-name with *
> <auth-constraint>
>   <role-name>*</role-name>
> </auth-constraint>
> 
> otherwise you can have multiple role-name elements to match appropriate 
> roles in LDAP.

OK, I'll try this.

Thanks,

Loris

> Gary
> 
> 
> 
> 
> --On 19 March 2009 14:17 +0100 Loris Bennett 
> <>
>  
> wrote:
> 
> > Hi Gary,
> >
> > Authentication is done via META-INF/context.xml:
> >
> >         <Context path="/grouper"
> >                  docBase="grouper"
> >                  debug="0"
> >                  privileged="false"
> >                  reloadable="false"
> >                  swallowOutput="true">
> >           <Realm  className="org.apache.catalina.realm.JNDIRealm"
> >                   debug="99"
> >                   connectionURL="ldaps://host1.dept.fu-berlin.de:1234"
> >                   alternateURL="ldaps://host2.dept.fu-berlin.de:1234"
> >                   userPattern="uid={0},ou=dept,o=fu-berlin,c=de"
> >                   roleBase="ou=grouper,o=fu-berlin,c=de"
> >                   roleSubtree="true"
> >                   roleSearch="(uniquemember={0})"
> >                   roleName="cn"
> >                   connectionName="cn=manager,o=fu-berlin,c=de"
> >                   connectionPassword="xxx"/>
> >         </Context>
> >
> > Cheers,
> >
> > Loris
> >
> >
> > On Thu, 2009-03-19 at 13:02 +0000, GW Brown, Information Systems and
> > Computing wrote:
> >> Hi Loris,
> >>
> >> How is the LDAP authentication achieved?
> >>
> >> Gary
> >>
> >> --On 19 March 2009 13:53 +0100 Loris Bennett
> >> <>
> >>   wrote:
> >>
> >> > Hi Gary,
> >> >
> >> > I am not using Apache - just Tomcat on its own.
> >> >
> >> > Cheers
> >> >
> >> > Loris
> >> > On Thu, 2009-03-19 at 11:24 +0000, GW Brown, Information Systems and
> >> > Computing wrote:
> >> >> Hi Loris,
> >> >>
> >> >> Have you got Apache in front of Tomcat - and is it doing the
> >> >> authentication? If so does it blanket protect grouper-dev? Otherwise
> >> >> are you using a servlet filter?
> >> >>
> >> >> If you are using Apache can you isolate and post the relevant section
> >> >> of the access log?
> >> >>
> >> >> In the web.xml there is a security constraint:
> >> >> <security-constraint>
> >> >>     <web-resource-collection>
> >> >>       <web-resource-name>Tomcat login</web-resource-name>
> >> >>       <url-pattern>/login.do</url-pattern>
> >> >>     </web-resource-collection>
> >> >>     <auth-constraint>
> >> >>        <!-- NOTE:  This role is not present in the default users file
> >> >>        --> <role-name>grouper_user</role-name>
> >> >>     </auth-constraint>
> >> >>   </security-constraint>
> >> >>
> >> >> Which may not be necessary if the authentication is through Apache.
> >> >>
> >> >> Thanks,
> >> >>
> >> >> Gary
> >> >>
> >> >> --On 19 March 2009 11:34 +0100 Loris Bennett
> >> >> <>
> >> >>   wrote:
> >> >>
> >> >> > Hi Gary,
> >> >> >
> >> >> > My webapp is actually "grouper-dev" - "grouper" just comes from me
> >> >> > having tweaked the logfile in a half-baked manner.
> >> >> >
> >> >> > I am authenticating against an LDAP server.
> >> >> >
> >> >> > Cheers,
> >> >> >
> >> >> > Loris
> >> >> >
> >> >> > On Thu, 2009-03-19 at 09:07 +0000, GW Brown, Information Systems and
> >> >> > Computing wrote:
> >> >> >> Hi Loris,
> >> >> >>
> >> >> >> Looking at the log I see:
> >> >> >>
> >> >> >>   Caught '403' for /grouper-dev/login.do
> >> >> >>
> >> >> >> but the urls you gave /grouper/login.do. Is there actually a
> >> >> >> difference? If  so doing a clean build may help.
> >> >> >>
> >> >> >> What authentication are you using?
> >> >> >>
> >> >> >> Gary
> >> >> >>
> >> >> >>
> >> >> >>
> >> >> >>
> >> >> >> --On 19 March 2009 09:37 +0100 Loris Bennett
> >> >> >> <>
> >> >> >>   wrote:
> >> >> >>
> >> >> >> > Hi,
> >> >> >> >
> >> >> >> > Most, but not all, users get error 403 on logging into grouper.
> >> >> >> > The URL displayed is
> >> >> >> >
> >> >> >> >         https://host.fu-berlin.de:1234/grouper/login.do
> >> >> >> >
> >> >> >> > If they then delete the "login.do" bit of the URL, they get
> >> >> >> > redirected to
> >> >> >> >
> >> >> >> >         https://host.fu-berlin.de:1234/grouper/home.do
> >> >> >> >
> >> >> >> > and everything is fine. A log extract for the login is attached.
> >> >> >> >
> >> >> >> > Cheers
> >> >> >> >
> >> >> >> > Loris
> >> >> >> >
> >> >> >> >
> >> >> >> >
> >> >> >> >
> >> >> >> > --
> >> >> >> > Dr. Loris Bennett (Mr.)
> >> >> >> > Freie Universität Berlin
> >> >> >> > ZEDAT - Zentraleinrichtung für Datenverarbeitung / Computer
> >> >> >> > Center Compute & Media Service
> >> >> >> > Fabeckstr. 32, Room 221
> >> >> >> > D-14195 Berlin
> >> >> >> > Tel ++49 30 838 51024
> >> >> >> > Fax ++49 30 838 56721
> >> >> >> > Email 
> >> >> >> > 
> >> >> >> > Web www.zedat.fu-berlin.de
> >> >> >>
> >> >> >>
> >> >> >>
> >> >> >> ----------------------
> >> >> >> GW Brown, Information Systems and Computing
> >> >> >> 
> >> >> > --
> >> >> > Dr. Loris Bennett (Mr.)
> >> >> > Freie Universität Berlin
> >> >> > ZEDAT - Zentraleinrichtung für Datenverarbeitung / Computer Center
> >> >> > Compute & Media Service
> >> >> > Fabeckstr. 32, Room 221
> >> >> > D-14195 Berlin
> >> >> > Tel ++49 30 838 51024
> >> >> > Fax ++49 30 838 56721
> >> >> > Email 
> >> >> > 
> >> >> > Web www.zedat.fu-berlin.de
> >> >> >
> >> >>
> >> >>
> >> >>
> >> >> ----------------------
> >> >> GW Brown, Information Systems and Computing
> >> >> 
> >> > --
> >> > Dr. Loris Bennett (Mr.)
> >> > Freie Universität Berlin
> >> > ZEDAT - Zentraleinrichtung für Datenverarbeitung / Computer Center
> >> > Compute & Media Service
> >> > Fabeckstr. 32, Room 221
> >> > D-14195 Berlin
> >> > Tel ++49 30 838 51024
> >> > Fax ++49 30 838 56721
> >> > Email 
> >> > 
> >> > Web www.zedat.fu-berlin.de
> >> >
> >>
> >>
> >>
> >> ----------------------
> >> GW Brown, Information Systems and Computing
> >> 
> > --
> > Dr. Loris Bennett (Mr.)
> > Freie Universität Berlin
> > ZEDAT - Zentraleinrichtung für Datenverarbeitung / Computer Center
> > Compute & Media Service
> > Fabeckstr. 32, Room 221
> > D-14195 Berlin
> > Tel ++49 30 838 51024
> > Fax ++49 30 838 56721
> > Email 
> > 
> > Web www.zedat.fu-berlin.de
> >
> 
> 
> 
> ----------------------
> GW Brown, Information Systems and Computing
> 
-- 
Dr. Loris Bennett (Mr.)
Freie Universität Berlin
ZEDAT - Zentraleinrichtung für Datenverarbeitung / Computer Center
Compute & Media Service
Fabeckstr. 32, Room 221
D-14195 Berlin
Tel ++49 30 838 51024
Fax ++49 30 838 56721
Email 

Web www.zedat.fu-berlin.de