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From "Naveen Gangam (JIRA)" <>
Subject [jira] [Commented] (HIVE-14513) Enhance custom query feature in LDAP atn to support resultset of ldap groups
Date Thu, 11 Aug 2016 19:07:20 GMT


Naveen Gangam commented on HIVE-14513:

There is just ONE test failure which had not failed in the prior build. Looking at the test,
I do not see how this fix could cause that failure. There are bunch of exceptions when running
the test, so I suspect it is a result of those. running locally fails with different output
that shown here.

> Enhance custom query feature in LDAP atn to support resultset of ldap groups
> ----------------------------------------------------------------------------
>                 Key: HIVE-14513
>                 URL:
>             Project: Hive
>          Issue Type: Bug
>          Components: HiveServer2
>    Affects Versions: 1.0.0
>            Reporter: Naveen Gangam
>            Assignee: Naveen Gangam
>         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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