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Date: Fri, 1 Sep 2017 13:28:00 +0000 (UTC)
From: "Steve Loughran (JIRA)" <jira@apache.org>
To: common-issues@hadoop.apache.org
Message-ID: <JIRA.13098548.1504096922000.8666.1504272480539@Atlassian.JIRA>
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Subject: [jira] [Updated] (HADOOP-14820) Wasb mkdirs security checks
 inconsistent with HDFS
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archived-at: Fri, 01 Sep 2017 13:28:10 -0000


     [ https://issues.apache.org/jira/browse/HADOOP-14820?page=3Dcom.atlass=
ian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steve Loughran updated HADOOP-14820:
------------------------------------
    Attachment: HADOOP-14820-007.patch

you are right. Updated patch with your new test in; test rerun and all is h=
appy

> Wasb mkdirs security checks inconsistent with HDFS
> --------------------------------------------------
>
>                 Key: HADOOP-14820
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14820
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs/azure
>    Affects Versions: 2.8.1
>            Reporter: Sivaguru Sankaridurg
>            Assignee: Sivaguru Sankaridurg
>              Labels: azure, fs, secure, wasb
>         Attachments: HADOOP-14820.001.patch, HADOOP-14820.002.patch, HADO=
OP-14820.003.patch, HADOOP-14820.004.patch, HADOOP-14820.005.patch, HADOOP-=
14820-006.patch, HADOOP-14820-007.patch
>
>
> No authorization checks should be made when a user tries to create (mkdir=
s -p) an existing folder hierarchy.
> For example, if we start with _/home/hdiuser/prefix_ pre-created, and do =
the following operations, the results should be as shown below.
> {noformat}
> hdiuser@hn0-0d2f67:~$ sudo chown root:root prefix
> hdiuser@hn0-0d2f67:~$ sudo chmod 555 prefix
> hdiuser@hn0-0d2f67:~$ ls -l
> dr-xr-xr-x 3 root    root      4096 Aug 29 08:25 prefix
> hdiuser@hn0-0d2f67:~$ mkdir -p /home
> hdiuser@hn0-0d2f67:~$ mkdir -p /home/hdiuser
> hdiuser@hn0-0d2f67:~$ mkdir -p /home/hdiuser/prefix
> hdiuser@hn0-0d2f67:~$ mkdir -p /home/hdiuser/prefix/1
> mkdir: cannot create directory =C3=A2/home/hdiuser/prefix/1=C3=A2: Permis=
sion denied
> The first three mkdirs succeed, because the ancestor is already present. =
The fourth one fails because of a permission check against the (shorter) an=
cestor (as compared to the path being created).
> {noformat}


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