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https://issues.apache.org/jira/browse/SHIRO-631?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16208085#comment-16208085
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Ruslan Dautkhanov commented on SHIRO-631:
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Just as an idea, Shiro could just read the rules from Kerberos settings and
then apply them to usernames after authentication is done.
Or potentially Shiro could just call a Kerberos API call to do the mapping?
> Principal mapping rules similar to Hadoop's auth_to_local
> ---------------------------------------------------------
>
> Key: SHIRO-631
> URL: https://issues.apache.org/jira/browse/SHIRO-631
> Project: Shiro
> Issue Type: New Feature
> Components: Authentication (log-in), Authorization (access control)
> , Realms
> Environment: HDP 2.6 + Kerberos + AD LDAP multi-domain forest
> Reporter: Hari Sekhon
> Priority: Blocker
>
> Feature Request to add principal mapping rules similar to Hadoop's
> auth_to_local.
> This will allow munging pincipals and rule based remappings to differentiate
> duplicate users in multi-domain Active Directory forests where the LDAP
> results returned from the global catalog include duplicate usernames which
> need to be translated with a prefix/suffix in order to differentiate between
> domains to prevent users from different domains sharing logins, permissions
> etc.
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