[jira] [Commented] (AMBARI-21970) Enable sticky bit for curl_krb_cache

["Hadoop QA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/AMBARI-21970?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16171765#comment-16171765 ] 

Hadoop QA commented on AMBARI-21970:
------------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12887890/AMBARI-21970.patch
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:red}-1 tests included{color}.  The patch doesn't appear to include any new or modified tests.
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number of release audit warnings.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of javac compiler warnings.

    {color:green}+1 core tests{color}.  The patch passed unit tests in .

Console output: https://builds.apache.org/job/Ambari-trunk-test-patch/12281//console

This message is automatically generated.

> Enable sticky bit for curl_krb_cache
> ------------------------------------
>
>                 Key: AMBARI-21970
>                 URL: https://issues.apache.org/jira/browse/AMBARI-21970
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-server
>    Affects Versions: 2.5.0
>            Reporter: Krishnama Raju K
>            Assignee: Eugene Chekanskiy
>            Priority: Minor
>         Attachments: AMBARI-21970.patch
>
>
> In secure environment, we see that "/var/lib/ambari-agent/tmp" has sticky bit enabled. Trying to enable such permissions ( sticky bit or any other permissions ) for "curl_krb_request.py" is being over written after few seconds.
> It is observed that the chmod permissions set in "curl_krb_request.py" enforces periodic 0777 as shown in below snippet.
> {code:java}
> curl_krb_cache_path = os.path.join(tmp_dir, "curl_krb_cache")
>   if not os.path.exists(curl_krb_cache_path):
>     os.makedirs(curl_krb_cache_path)
>   os.chmod(curl_krb_cache_path, 0777)
> {code}
> Ref: https://github.com/apache/ambari/blob/trunk/ambari-common/src/main/python/resource_management/libraries/functions/curl_krb_request.py
> Hence, code changes need to be done for setting the sticky bit to prevent access from users who did not create the specific file. 



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