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Date: Tue, 3 Oct 2017 11:12:00 +0000 (UTC)
From: "Aman Poonia (JIRA)" <jira@apache.org>
To: issues@ambari.apache.org
Message-ID: <JIRA.13103861.1505985863000.259592.1507029120800@Atlassian.JIRA>
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References: <JIRA.13103861.1505985863000@Atlassian.JIRA> <JIRA.13103861.1505985863148@jira-lw-us.apache.org>
Subject: [jira] [Updated] (AMBARI-22016) changeToSecureUid.sh might collide
 with existing user if it is not a local user but a network managed user
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archived-at: Tue, 03 Oct 2017 11:12:07 -0000


     [ https://issues.apache.org/jira/browse/AMBARI-22016?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Aman Poonia updated AMBARI-22016:
---------------------------------
    Status: Patch Available  (was: Open)

> changeToSecureUid.sh might collide with existing user if it is not a local user but a network managed user
> ----------------------------------------------------------------------------------------------------------
>
>                 Key: AMBARI-22016
>                 URL: https://issues.apache.org/jira/browse/AMBARI-22016
>             Project: Ambari
>          Issue Type: Bug
>          Components: stacks
>    Affects Versions: 2.5.2
>         Environment: Using Centos as the test bed
>            Reporter: Aman Poonia
>            Assignee: Aman Poonia
>             Fix For: 2.6.0
>
>         Attachments: AMBARI-22016_branch-2.6.patch, AMBARI-22016.patch
>
>
> changeToSecureUid.sh might collide with existing user if it is not a local user but a network managed user
> Currently we are doing 
> {code:java}
> function find_available_uid() {
>  for ((i=1001; i<=2000; i++))
>  do
>    grep -q $i /etc/passwd
>    if [ "$?" -ne 0 ]
>    then
>     newUid=$i
>     break
>    fi
>  done
> }
> {code}
> This will only check local user. Network manged users are not directly present inside passwd file.


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