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From "Santhosh G Nayak (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-14351) Azure: RemoteWasbAuthorizerImpl and RemoteSASKeyGeneratorImpl use Kerberos interactive user cache
Date Wed, 26 Apr 2017 11:26:04 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-14351?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Santhosh G Nayak updated HADOOP-14351:
--------------------------------------
    Attachment: HADOOP-14351.2.patch

Attaching a patch containing the checkstyle fixes excluding the fix for the {{FileLength}}
related warning. 
The below findbugs warning is unrelated to changes done in the patch which was introduced
in [Commit #2217e2f8ff418b88eac6ad36cafe3a9795a11f40|https://github.com/apache/hadoop/commit/2217e2f8ff418b88eac6ad36cafe3a9795a11f40]
 of HADOOP-10809 
{quote}
Useless object stored in variable keysToUpdateAsFolder of method org.apache.hadoop.fs.azure.NativeAzureFileSystem.mkdirs(Path,
FsPermission, boolean)
{quote}

> 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, HADOOP-14351.2.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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