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From "Naveen Gangam (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-14513) Enhance custom query feature in LDAP atn to support resultset of ldap groups
Date Mon, 15 Aug 2016 14:58:20 GMT

    [ https://issues.apache.org/jira/browse/HIVE-14513?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15421097#comment-15421097
] 

Naveen Gangam commented on HIVE-14513:
--------------------------------------


[~leftylev] I have update the LDAP authentication configuration documentation [here|https://cwiki.apache.org/confluence/display/Hive/User+and+Group+Filter+Support+with+LDAP+Atn+Provider+in+HiveServer2].
Could you please review it to make it consistent with other pages? Thank you in advance

> Enhance custom query feature in LDAP atn to support resultset of ldap groups
> ----------------------------------------------------------------------------
>
>                 Key: HIVE-14513
>                 URL: https://issues.apache.org/jira/browse/HIVE-14513
>             Project: Hive
>          Issue Type: Bug
>          Components: HiveServer2
>    Affects Versions: 1.0.0
>            Reporter: Naveen Gangam
>            Assignee: Naveen Gangam
>             Fix For: 2.2.0, 2.1.1
>
>         Attachments: HIVE-14513.patch
>
>
> LDAP Authenticator can be configured to use a result set from a LDAP query to authenticate.
However, is it expected that this LDAP query would only result a set of users (aka full DNs
for the users in LDAP).
> However, its not always straightforward to be able to author queries that return users.
For example, say you would like to allow "all users from group1 and group2" to be authenticated.
The LDAP query has to return a union of all members of the group1 and group2.
> For example, one common configuration is that groups contain a list of its users
>       "dn: uid=group1,ou=Groups,dc=example,dc=com",
>       "distinguishedName: uid=group1,ou=Groups,dc=example,dc=com",
>       "objectClass: top",
>       "objectClass: groupOfNames",
>       "objectClass: ExtensibleObject",
>       "cn: group1",
>       "ou: Groups",
>       "sn: group1",
>       "member: uid=user1,ou=People,dc=example,dc=com",
> The query 
> {{(&(objectClass=groupOfNames)(|(cn=group1)(cn=group2)))}}
> will return the entries
> uid=group1,ou=Groups,dc=example,dc=com
> uid=group2,ou=Groups,dc=example,dc=com
> but there is no means to form a query that would return just the values of "member" attributes.
(ldap client tools are able to do by filtering out the attributes on these entries.
> So it will be useful to have such support to be able to specify queries that return groups.



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