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From "Xilai Dai (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (KARAF-4520) Add DigestPasswordLoginModule so PasswordDigest can work with Karaf JAAS realm
Date Tue, 06 Sep 2016 06:47:20 GMT

    [ https://issues.apache.org/jira/browse/KARAF-4520?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15466624#comment-15466624
] 

Xilai Dai commented on KARAF-4520:
----------------------------------

@Freeman, A problem we have after upgraded to Karaf 4.0.6/CXF 3.1.7 may related to this changes.

When the use execute some commands from client/ssh of karaf, and the cxf-core bundle got refreshed/uninstalled
in the container, the org.apache.karaf.shell.ssh will be refreshed consequently. this will
break the command execution and throw ssh exception. (cxf-core is very easy to be refreshed
in our container)

The cascading bundles refresh as below (Karaf 4.0.6/CXF 3.1.7)
{code}
Uninstalling bundles:
    org.apache.cxf.services.sts.core/3.1.7
Refreshing bundles:
    org.apache.cxf.cxf-core/3.1.7 (Wired to org.apache.cxf.services.sts.core/3.1.7 which is
being refreshed)
    org.apache.karaf.jaas.modules/4.0.6 (Wired to org.apache.cxf.cxf-core/3.1.7 which is being
refreshed)
    org.apache.karaf.shell.ssh/4.0.6 (Wired to org.apache.karaf.jaas.modules/4.0.6 which is
being refreshed)
    org.apache.cxf.services.sts.core/3.1.7 (Bundle will be uninstalled)
{code}

Even the org.apache.cxf.interceptor.security package is optional in the Import-Package, and
by default the DigestPasswordLoginModule is not activated, the org.apache.karaf.jaas.modules
still got refreshed and then break the ssh connection.

With the older Karaf 4.0.5/CXF 3.1.5, there is no this kind of problem.
{code}
Uninstalling bundles:
    org.apache.cxf.services.sts.core/3.1.5
Refreshing bundles:
    org.apache.cxf.cxf-core/3.1.5 (Wired to org.apache.cxf.services.sts.core/3.1.5 which is
being refreshed)
    org.apache.cxf.services.sts.core/3.1.5 (Bundle will be uninstalled)
{code}

> Add  DigestPasswordLoginModule so PasswordDigest can work with Karaf JAAS realm
> -------------------------------------------------------------------------------
>
>                 Key: KARAF-4520
>                 URL: https://issues.apache.org/jira/browse/KARAF-4520
>             Project: Karaf
>          Issue Type: Improvement
>            Reporter: Freeman Fang
>            Assignee: Freeman Fang
>             Fix For: 4.1.0, 4.0.6
>
>
> So far the assumption with JAAS login modules is that the password is to be compared
"as is". However per the ws-security spec, the PasswordDigest for UsernameToken is "the concatenation
of the nonce plus the creation time plus the password. The nonce is 16 bytes long and is passed
along as a base64 encoded value. The way this works is that the client creates the password
hash using all of this information plus the password". So the PasswordDigest would change
per each invocation, so we can't simply store the passwords in a digest form in the properties
file.
> The way to make it work, I think we need a DigestPasswordLoginModule which use a customized
checkPassword method where can compare the stored password and the digest password from PasswordCallback
(we may need take a close look how this part implemented in WSS4J for digest password comparing)



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