I'm personally working on this bug with Eric, and the test properly trigger the
bug on 100% of the test runs, but, it should also ensure that
`irix_sgid_inherit` sysctl is set to 0, if not, the test will fail.
follow is a suggestion for a better changelog:
Tests if subdirectories created on the filesystem will properly inherit sgid bit
when this is set on the parent directory, once the process has the properly
permissions to create a subdirectory, this, should inherit parent's sgid bit if
this is set and irix_sgid_inherit sysctl is disabled.
Thanks for the test Eric, very helpful :)
On Thu, May 30, 2013 at 03:02:06PM -0500, Eric Sandeen wrote:
> On XFS this test fails today due to some over-eager
> SGID removal in xfs core code; ext4 & btrfs pass.
> Document it in a test, will send xfs patch in a bit.
>
> Signed-off-by: Eric Sandeen <sandeen@xxxxxxxxxx>
> ---
>
> p.s. I'm going to just flaunt my ignorance and say:
> I've never understood acls well. I'm hoping someone who does
> can help me write a better changelog, because this one
> is no good at all!
>
> V2: add missing source of "attr" file for _require_acls
>
> diff --git a/tests/generic/313 b/tests/generic/313
> new file mode 100755
> index 0000000..3dee609
> --- /dev/null
> +++ b/tests/generic/313
> @@ -0,0 +1,68 @@
> +#! /bin/bash
> +# FS QA Test No. 313
> +#
> +# Test SGID inheritance on subdirectories
> +#
> +#-----------------------------------------------------------------------
> +# Copyright (c) 2013 Red Hat, Inc. All Rights Reserved.
> +#
> +# This program is free software; you can redistribute it and/or
> +# modify it under the terms of the GNU General Public License as
> +# published by the Free Software Foundation.
> +#
> +# This program is distributed in the hope that it would be useful,
> +# but WITHOUT ANY WARRANTY; without even the implied warranty of
> +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> +# GNU General Public License for more details.
> +#
> +# You should have received a copy of the GNU General Public License
> +# along with this program; if not, write the Free Software Foundation,
> +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
> +#-----------------------------------------------------------------------
> +#
> +
> +seq=`basename $0`
> +seqres=$RESULT_DIR/$seq
> +echo "QA output created by $seq"
> +
> +here=`pwd`
> +tmp=/tmp/$$
> +status=1 # failure is the default!
> +trap "_cleanup; exit \$status" 0 1 2 3 15
> +
> +_cleanup()
> +{
> + cd /
> + rm -f $tmp.*
> +}
> +
> +# get standard environment, filters and checks
> +. ./common/rc
> +. ./common/filter
> +. ./common/attr
> +
> +# real QA test starts here
> +_supported_fs generic
> +_require_acls
> +_require_user
> +_need_to_be_root
> +
> +rm -rf $TEST_DIR/$seq-dir
> +
> +# Make dir owned by qa user, and an unrelated group:
> +mkdir $TEST_DIR/$seq-dir
> +chown $qa_user:12345 $TEST_DIR/$seq-dir
> +
> +# Make parent dir sgid
> +chmod 2775 $TEST_DIR/$seq-dir
> +
> +# Make subdirs before & after acl set
> +su $qa_user -c "mkdir $TEST_DIR/$seq-dir/subdir"
> +su $qa_user -c "setfacl -m u:$qa_user:rwx,d:u:$qa_user:rwx $TEST_DIR/$seq-dir"
> +su $qa_user -c "mkdir $TEST_DIR/$seq-dir/subdir2"
> +
> +# Both subdirs should have inherited sgid
> +ls -ld $TEST_DIR/$seq-dir/subdir* | _filter_test_dir | awk '{print $1,$NF}'
> +
> +status=0
> +exit
> diff --git a/tests/generic/313.out b/tests/generic/313.out
> new file mode 100644
> index 0000000..326a929
> --- /dev/null
> +++ b/tests/generic/313.out
> @@ -0,0 +1,3 @@
> +QA output created by 313
> +drwxr-sr-x. TEST_DIR/313-dir/subdir
> +drwxrwsr-x+ TEST_DIR/313-dir/subdir2
> diff --git a/tests/generic/group b/tests/generic/group
> index bd443c1..d5ec8d5 100644
> --- a/tests/generic/group
> +++ b/tests/generic/group
> @@ -115,3 +115,4 @@
> 310 auto
> 311 auto metadata log
> 312 auto quick prealloc enospc
> +313 auto quick acl
>
> _______________________________________________
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> http://oss.sgi.com/mailman/listinfo/xfs
--
Carlos
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