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run test inside subdir with known permissions
Merge of master-melb:xfs-cmds:27197a by kenmcd.

#! /bin/sh
# FSQA Test No. 123
#
# Make sure user cannot overwrite, append, delete or move a file created by 
# root. Modified CXFSQA test 940960 and 940558.
#
#-----------------------------------------------------------------------
#  Copyright (c) 2006 Silicon Graphics, Inc.  All Rights Reserved.
#-----------------------------------------------------------------------
#
# creator
owner=ajones@sgi.com

seq=`basename $0`
echo "QA output created by $seq"

here=`pwd`
tmp=/tmp/$$
status=0	# success is the default!
my_test_subdir=$testdir/123subdir
trap "_cleanup; exit \$status" 0 1 2 3 15

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


_filter_user_do()
{
        perl -ne "
s,.*Permission\sdenied.*,Permission denied,;
s,.*no\saccess\sto\stty.*,,;
s,.*no\sjob\scontrol\sin\sthis\sshell.*,,;
s,^\s*$,,;
        print;"
}




_user_do()
{
    echo $1 | /bin/sh "su $qa_user 2>&1" | _filter_user_do
}

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

# real QA test starts here
_supported_fs xfs udf nfs
_supported_os Linux IRIX

_require_user

_setup_testdir

# 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