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From "Kai Zheng (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-9893) Ticket cache support for MiniKdc
Date Sat, 12 Nov 2016 02:34:58 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-9893?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15658830#comment-15658830

Kai Zheng commented on HADOOP-9893:

Hi [~hgadre],

Sounds great you're interested! To work on this, some basic background would be helpful. Hadoop
{{MiniKdc}} now mainly consists of {{SimpleKdcServer}} from Kerby and in the SimpleKdcServer
class you can access a handle {{KrbClient}}. Using KrbClient you can do all kinds of supported
logins and obtain a tgt; you can also store the tgt in a ticket cache file; with the ticket
cache then you can do a Jaas login. Please go thru the stack and see if it helps. Note in
Kerby codebase there is a nice unit test named {{TicketCacheLoginTest}} where all things link
together. We could port the test to Hadoop based on Hadoop MiniKdc.

> Ticket cache support for MiniKdc
> --------------------------------
>                 Key: HADOOP-9893
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9893
>             Project: Hadoop Common
>          Issue Type: Improvement
>            Reporter: Kai Zheng
>            Assignee: Kai Zheng
> As discussed in HADOOP-9881, it would be good to support ticket cache generation utilizing
MiniKdc, which can be used to test some Kerberos cases for UGI regarding user login via kinit
or ticket cache. Currently it's not supported and this issue is to implement it.

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