[jira] [Created] (HIVE-12885) LDAP Authenticator improvements

["Naveen Gangam (JIRA)" <ji...@apache.org>]

Naveen Gangam created HIVE-12885:
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             Summary: LDAP Authenticator improvements
                 Key: HIVE-12885
                 URL: https://issues.apache.org/jira/browse/HIVE-12885
             Project: Hive
          Issue Type: Bug
          Components: HiveServer2
    Affects Versions: 1.1.0
            Reporter: Naveen Gangam
            Assignee: Naveen Gangam


Currently Hive's LDAP Atn provider assumes certain defaults to keep its configuration simple. 
1) One of the assumptions is the presence of an attribute "distinguishedName". In certain non-standard LDAP implementations, this attribute may not be available. So instead of basing all ldap searches on this attribute, getNameInNamespace() returns the same value. So this API is to be used instead.
2) It also assumes that the "user" value being passed in, will be able to bind to LDAP. However, certain LDAP implementations, by default, only allow the full DN to be used, just short user names are not permitted. We will need to be able to support short names too when hive configuration only has "BaseDN" specified (not userDNPatterns). So instead of hard-coding "uid" or "CN" as keys for the short usernames, it probably better to make this a configurable parameter.



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