Sivaguru Sankaridurg created HADOOP-14820:
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Summary: Fix for HDFS semantics parity for mkdirs -p
Key: HADOOP-14820
URL: https://issues.apache.org/jira/browse/HADOOP-14820
Project: Hadoop Common
Issue Type: Bug
Components: fs/azure
Reporter: Sivaguru Sankaridurg
Assignee: Sivaguru Sankaridurg
No authorization checks should be made when a user tries to create (mkdirs -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 â/home/hdiuser/prefix/1â: Permission denied
The first three mkdirs succeed, because the ancestor is already present. The
fourth one fails because of a permission check against the (shorter) ancestor
(as compared to the path being created).
{noformat}
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