apfstests/tests/generic/123

#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2006 Silicon Graphics, Inc.  All Rights Reserved.
#
# FSQA Test No. 123
#
# Make sure user cannot overwrite, append, delete or move a file created by 
# root. Modified CXFSQA test 940960 and 940558.
#
seq=`basename $0`
seqres=$RESULT_DIR/$seq
echo "QA output created by $seq"

here=`pwd`
tmp=/tmp/$$
status=0	# success is the default!

trap "_cleanup; exit \$status" 0 1 2 3 15

_cleanup()
{
    cd $TEST_DIR
    rm -rf $my_test_subdir
    cd /
}

# get standard environment, filters and checks
. ./common/rc
. ./common/filter

# real QA test starts here
_supported_fs generic
_supported_os Linux

_require_test
_require_user

my_test_subdir=$TEST_DIR/123subdir

# create subdir with required permissions
mkdir -m 755 $my_test_subdir

echo foo > $my_test_subdir/data_coherency.txt
# check basic appending to a file
echo bar >> $my_test_subdir/data_coherency.txt

# try append
_user_do "echo goo >> $my_test_subdir/data_coherency.txt" 

# try overwrite 
_user_do "echo goo > $my_test_subdir/data_coherency.txt" 

# try delete
_user_do "rm $my_test_subdir/data_coherency.txt" 

# try move
_user_do "mv $my_test_subdir/data_coherency.txt $my_test_subdir/data_coherency2.txt" 

cat $my_test_subdir/data_coherency.txt

exit