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From "Sunitha Kambhampati (JIRA)" <derby-...@db.apache.org>
Subject [jira] Created: (DERBY-1026) LDAP with caching DNs in derby.user.userName as database property does not work
Date Wed, 22 Feb 2006 03:07:21 GMT
LDAP with caching DNs in derby.user.userName as database property does not work
-------------------------------------------------------------------------------

         Key: DERBY-1026
         URL: http://issues.apache.org/jira/browse/DERBY-1026
     Project: Derby
        Type: Bug
  Components: Security  
    Versions: 10.2.0.0, 10.1.2.2, 10.1.2.0, 10.1.2.1, 10.1.1.2, 10.1.1.0, 10.1.1.1, 10.0.2.1,
10.0.2.0    
    Reporter: Sunitha Kambhampati
    Priority: Minor


The documentation talks about LDAP support with mapping user names to derby users using the
derby.user.'userName' property. 

See links
http://db.apache.org/derby/docs/dev/tuning/rtunproper37341.html
http://db.apache.org/derby/docs/dev/tuning/rtunproper27355.html

Per the documentation, one can use the derby.user property to set the DN for a user,and when
using LDAP, setting the search filter to derby.user will pick up the DN from this property
if available. This is not working when I tried it out by caching a user's dn as a database-level
property.

Found the following issues:

1)Setting the database property derby.user.userName to a DN does not work:
Problem in AuthenticationServiceBase#map. 
-- If there is a system property derby.authentication.provider=LDAP, setting of derby.user.userName
to a DN value as a database property will encrypt the DN value and store it. The code seems
to expect that the derby.authentication.provider is set to LDAP as a database property, else
it considers it as a password and encrypts the value. 
-- it doesnt return the correct mapped value for the property for the LDAP and derby.user.userName
case. Returns null instead of returning the clear text DN value.


2) the LDAP code itself doesnt pick up the userDN.

In LDAPAuthenticationSchemeImpl#authenticateUser
            if (useUserPropertyAsDN)
                userDN =
                    authenticationService.getProperty(
                        org.apache.derby.iapi.reference.Property.USER_PROPERTY_PREFIX)

Here  USER_PROPERTY_PREFIX is derby.user.
The key should be USER_PROPERTY_PREFIX+userName.  

3) After the code issues are fixed, it would be nice if documentation can be added to give
a full example of how to go about doing LDAP authentication with caching DNs in derby.user.



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