Thomas Tauber-Marshall created IMPALA-10162:
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             Summary: Support additional LDAP filter options
                 Key: IMPALA-10162
                 URL: https://issues.apache.org/jira/browse/IMPALA-10162
             Project: IMPALA
          Issue Type: Task
          Components: Security
    Affects Versions: Impala 4.0
            Reporter: Thomas Tauber-Marshall
            Assignee: Thomas Tauber-Marshall


IMPALA-2563 added support for user and group filter on LDAP, with options 
modeled after those in Hive, but they are somewhat restrictive - only allowing 
specifying particular parts of the LDAP search filter used.

There are additional, more general ldap filter options that Impala should also 
support which allow for specifying arbitrary search filters. This for example 
would enable an LDAP configuration where the authenticated usernames are not 
part of the user's DN.

We should model these configs after equivalent options in HDFS, see in 
particular 'hadoop.security.group.mapping.ldap.search.filter.user' and 
'hadoop.security.group.mapping.ldap.search.filter.group'



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