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https://issues.apache.org/jira/browse/HIVE-13295?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15198645#comment-15198645
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Chaoyu Tang commented on HIVE-13295:
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I left some comments in the RB, please take a look.
> Improvement to LDAP search queries in HS2 LDAP Authenticator
> ------------------------------------------------------------
>
> Key: HIVE-13295
> URL: https://issues.apache.org/jira/browse/HIVE-13295
> Project: Hive
> Issue Type: Improvement
> Components: HiveServer2
> Affects Versions: 1.3.0
> Reporter: Naveen Gangam
> Assignee: Naveen Gangam
> Attachments: HIVE-13295.1.patch
>
>
> As more usecases, for various LDAP flavors and deployments, emerge, Hive's
> LDAP authentication provider needs additional configuration properties to
> make it more flexible to work with different LDAP deployments.
> For example:
> 1) Not every LDAP server supports a "memberOf" property on user entries that
> refer to the groups the user belongs to. This attribute is used for group
> filter support. So instead of relying on this attribute to be set, we can
> reverse the search and find all the groups that have an attribute, that
> refers to its members, set. For example "member" or "memberUid" etc.
> Since this atttribute name differs from ldap to ldap, its best we make this
> configurable, with a default value of "member"
> 2) In HIVE-12885, a new property was introduced to make the attribute for an
> user/group search key user-configurable instead of assuming its "uid" (when
> baseDN is set) or "cn" (otherwise). This change was deferred from the initial
> patch.
> 3) LDAP Groups can have various ObjectClass'es. For example objectClass=group
> or objectClass=groupOfNames or objectClass=posixGroup or
> objectClass=groupOfUniqueNames etc. There could be other we dont know of.
> So we need a property to make this user-configurable with a certain default.
> 4) There is also a bug where the lists for groupFilter and userFilter are not
> re-initialized each time init() is called.
> These lists are only re-initialized if the new HiveConf has userFilter or
> groupFilter set values. Otherwise, the provider will use values from previous
> initialization.
> I found this bug when writing some new tests.
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