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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (KARAF-4968) LDAPLoginModule does not correctly implement login method
Date Fri, 10 Feb 2017 19:58:42 GMT

    [ https://issues.apache.org/jira/browse/KARAF-4968?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15861776#comment-15861776

ASF subversion and git services commented on KARAF-4968:

Commit 929a21c7c7fd9005d0150fca5dbd00d8be2addeb in karaf's branch refs/heads/master from [~sstrickx]
[ https://git-wip-us.apache.org/repos/asf?p=karaf.git;h=929a21c ]

[KARAF-4968] LDAPLoginModule does not correctly implement login method

Correcting the behavior of the LDAPLoginModule's login method in case of
failed authentication

> LDAPLoginModule does not correctly implement login method
> ---------------------------------------------------------
>                 Key: KARAF-4968
>                 URL: https://issues.apache.org/jira/browse/KARAF-4968
>             Project: Karaf
>          Issue Type: Bug
>          Components: karaf-security
>    Affects Versions: 4.0.8
>            Reporter: Stijn Strickx
>            Assignee: Guillaume Nodet
>            Priority: Minor
>             Fix For: 4.0.9, 4.1.1
> When the LDAPLoginModule fails to authenticate a user, given the provided credentials,
the login() method will return false.
> This is incorrect behavior as explained in the JAAS Dev Guide: http://docs.oracle.com/javase/8/docs/technotes/guides/security/jaas/JAASLMDevGuide.html#login
> The login() method should throw a LoginException in that case. Returning false actually
tells the LoginContext that this LoginModule should be ignored.
> As long as the LDAPLoginModule is the only LoginModule configured within a Realm, the
resulting behavior from the LoginContext is as expected. The problem becomes apparent when
using the LDAPLoginModule as one of multiple LoginModules defined within a Realm. If, for
example, all LoginModules their flags are set to "required", a failure to login in the LDAPLoginModule
will just be ignored (while it logs a warning about invalid credentials) as long as the other
LoginModules were able to do a successful login. This is not the expected behavior since the
LDAPLoginModule is also configured to be "required".

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