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From "Mingliang Liu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-14351) Azure: RemoteWasbAuthorizerImpl and RemoteSASKeyGeneratorImpl use Kerberos interactive user cache
Date Tue, 25 Apr 2017 23:32:04 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-14351?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15983828#comment-15983828
] 

Mingliang Liu commented on HADOOP-14351:
----------------------------------------

+1

> Azure: RemoteWasbAuthorizerImpl and RemoteSASKeyGeneratorImpl use Kerberos interactive
user cache
> -------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-14351
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14351
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs/azure
>    Affects Versions: 2.9.0
>            Reporter: Santhosh G Nayak
>            Assignee: Santhosh G Nayak
>         Attachments: HADOOP-14351.1.patch
>
>
> Currently, {{RemoteWasbAuthorizerImpl.getRelativeBlobSASUri()}},  {{RemoteWasbAuthorizerImpl.getContainerSASUri()}}
and {{RemoteSASKeyGeneratorImpl.authorize()}} use Kerberos interactive user's ticket cache
if the kerberos credential is not available for {{UserGroupInformation.getCurrentUser()}}
or {{UserGroupInformation.getRealUser()}}.
> It results in usage of interactive user's ticket for impersonation, whenever services
try to do File System operations as another user, which is incorrect.



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