GNU bug report logs - #20616
mkdir: -p breaks -Z

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Hannes Reich <hannes <at> skynet.ie>
Subject: bug#20616: closed (Re: bug#20616: mkdir: -p breaks -Z)
Date: Sat, 23 May 2015 01:08:02 +0000

[Message part 1 (text/plain, inline)]

Your bug report

#20616: mkdir: -p breaks -Z

which was filed against the coreutils package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 20616 <at> debbugs.gnu.org.

-- 
20616: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=20616
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Pádraig Brady <P <at> draigBrady.com>
To: Hannes Reich <hannes <at> skynet.ie>, 20616-done <at> debbugs.gnu.org
Subject: Re: bug#20616: mkdir: -p breaks -Z
Date: Sat, 23 May 2015 02:06:44 +0100

Fix pushed at:
http://git.sv.gnu.org/gitweb/?p=coreutils.git;a=commitdiff;h=4ce7488

cheers,
Pádraig.

[Message part 3 (message/rfc822, inline)]

From: Hannes Reich <hannes <at> skynet.ie>
To: bug-coreutils <at> gnu.org
Subject: mkdir: -p breaks -Z
Date: Wed, 20 May 2015 14:03:03 +0200

The "-Z" (set SELinux context) option to mkdir appears to have no effect 
when "-p" (no error if existing, create parents) is also specified.

For example, on my CentOS 7 system, the correct context for 
subdirectories of "/home" is "user_home_dir_t", but when I create such a 
directory with "mkdir -p -Z", it has the "home_root_t" context:

    # rm -rf /home/with-p
    # mkdir -p -Z /home/with-p
    # ls -Zd /home/with-p
    drwxr-xr-x. root root unconfined_u:object_r:home_root_t:s0 /home/with-p
    #

That's wrong. Running restorecon(1) fixes it:

    # restorecon -v /home/with-p
    restorecon reset /home/with-p context 
unconfined_u:object_r:home_root_t:s0->unconfined_u:object_r:user_home_dir_t:s0
    #

Without the "-p" option, "-Z" works as expected:

    # mkdir -Z /home/without-p
    # ls -Zd /home/without-p
    drwxr-xr-x. root root unconfined_u:object_r:user_home_dir_t:s0 
/home/without-p
    # restorecon -v /home/without-p
    #

The coreutils version in CentOS 7 is 8.22.

coreutils-8.23 compiled from source has the same behaviour.

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