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LDAP auth does not really connect to LDAP in order to authenticate (only does it on the first login)

Status
Closed
Subject
LDAP auth does not really connect to LDAP in order to authenticate (only does it on the first login)
Version
2.x
Category
  • Error
  • Regression
Feature
External Authentication (LDAP, AD, PAM, CAS, etc)
Submitted by
sacra
Volunteered to solve
Philippe Cloutier
Lastmod by
Philippe Cloutier
Rating
(0)
Description

Hello all.

Almost by chance I noticed a behavior which seems wrong regarding the LDAP authentication on TikiWiki 2.0. I'm not sure if it was already present in 1.9.11 but I don't think so. We migrated last week.

Regarding the TW configuration:

- authentication method is "Tiki+PEAR::Auth"
- users cannot register and cannot change password
- "Create user if not in Tiki?" is on
- "Create user if not in Auth?" is off
- "Just use Tiki auth for admin?" is on
- The LDAP auth configuration paramters are correct, the auth itself works well, as it worked in 1.9.11. When TW connects to the LDAP server (OpenLDAP 2.1.30) the authentication works as expected.

This means that a Tiki account is created when LDAP users login for the first time. As expected, in presence of such a user, TW connects to LDAP, authenticates, creates Tiki account and logs the user in (I have some doubts in this last item though). However, when users log in again after this, I would expect that authentication is still delegated completely to the LDAP and is not done through Tiki. Instead, I have confirmed by looking at my LDAP logs that when TW finds a Tiki account, it authenticates the user through Tiki and never connects to the LDAP. This is not the expected behavior, because it means that passwords are being stored on the TW database and actually used for authentication. As a consequence, when a user changes his password on the LDAP, this is not "seen" by TW.

I'm pretty sure this is not the intended behavior also because if I go to Admin Users, both the "edit user" and the "add user" boxes show the following:

"No password is required
Tikiwiki is configured to delegate the password managment to LDAP through PEAR Auth."

And actually, the "edit user" box also says "Warning: changing the username will require the user to change his password" which is a contradiction since the password should be managed by LDAP and my TW is configured to disallow users from being able to change their passwords.

Paulo

Solution
This should be fixed in Tiki 4. Please reopen if you can reproduce in Tiki 5 or later.
Importance
6
Demonstrate Bug
Please demonstrate your bug on show2.tikiwiki.org

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Version: Create show2.tikiwiki.org instance
Rating (deprecated)
(3)
Ticket ID
1990
Created
Wednesday 27 August, 2008 15:38:55 GMT-0000
LastModif
Friday 08 October, 2010 18:56:32 GMT-0000

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