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From "zhouyingchao (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-8419) chmod impact user's effective ACL
Date Mon, 18 May 2015 11:49:59 GMT

     [ https://issues.apache.org/jira/browse/HDFS-8419?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

zhouyingchao updated HDFS-8419:
-------------------------------
    Description: 
I set a directory's ACL to assign rwx permission to user h_user1. Later, I used chmod to change
the group permission to r-x. I understand chmod of an acl enabled file would only change the
permission mask. The abnormal thing is that the operation will change the h_user1's effective
ACL from rwx to r-x.

Following are ACLs before any operaton:
-----------------------------------------
\# file: /grptest
\# owner: hdfs_tst_admin
\# group: supergroup
user::rwx
user:h_user1:rwx
group::r-x
mask::rwx
other::---
-----------------------------------------

Following are ACLs after "chmod 750 /grptest"
-----------------------------------------
\# file: /grptest
\# owner: hdfs_tst_admin
\# group: supergroup
user::rwx
user:hdfs_admin:rwx	#effective:r-x
group::r-x
mask::r-x
other::---
-----------------------------------------

I'm wondering if this behavior is by design.  If not, I'd like to fix the issue. Thank you.

  was:
I set a directory's ACL to assign rwx permission to a user h_user1. Later, I used chmod to
change the group permission to r-x. I understand chmod of a acl enabled file would only change
the permission mask. What's make me surprise is that the operation will change the h_user1's
effective ACL from rwx to r-x.

Following are ACLs before any operaton:
-----------------------------------------
\# file: /grptest
\# owner: hdfs_tst_admin
\# group: supergroup
user::rwx
user:h_user1:rwx
group::r-x
mask::rwx
other::---
-----------------------------------------

Following are ACLs after "chmod 750 /grptest"
-----------------------------------------
\# file: /grptest
\# owner: hdfs_tst_admin
\# group: supergroup
user::rwx
user:hdfs_admin:rwx	#effective:r-x
group::r-x
mask::r-x
other::---
-----------------------------------------

I'm wondering if this behavior is by design.  If not, I'd like to fix the issue. Thank you.


> chmod impact user's effective ACL
> ---------------------------------
>
>                 Key: HDFS-8419
>                 URL: https://issues.apache.org/jira/browse/HDFS-8419
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: HDFS
>    Affects Versions: 2.6.0
>            Reporter: zhouyingchao
>            Assignee: zhouyingchao
>
> I set a directory's ACL to assign rwx permission to user h_user1. Later, I used chmod
to change the group permission to r-x. I understand chmod of an acl enabled file would only
change the permission mask. The abnormal thing is that the operation will change the h_user1's
effective ACL from rwx to r-x.
> Following are ACLs before any operaton:
> -----------------------------------------
> \# file: /grptest
> \# owner: hdfs_tst_admin
> \# group: supergroup
> user::rwx
> user:h_user1:rwx
> group::r-x
> mask::rwx
> other::---
> -----------------------------------------
> Following are ACLs after "chmod 750 /grptest"
> -----------------------------------------
> \# file: /grptest
> \# owner: hdfs_tst_admin
> \# group: supergroup
> user::rwx
> user:hdfs_admin:rwx	#effective:r-x
> group::r-x
> mask::r-x
> other::---
> -----------------------------------------
> I'm wondering if this behavior is by design.  If not, I'd like to fix the issue. Thank
you.



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