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add test 093 for testing removal of cap EA on file writes when
process doesn't have FSETID and SETFCAP capabilities.
This is an IRIX only test.
This will check that pv#901019 changes are not stuffing up
what the code was supposed to do.
removal of file caps on write test - pv#901019

#! /bin/sh
# FS QA Test No. 093
#
# Test out for IRIX the removal of file capabilities when
# writing to the file (when it doesn't have CAP_FSETID & CAP_SETFCAP)
# i.e. not root.
# Test out fix for pv#901019
#
#-----------------------------------------------------------------------
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#-----------------------------------------------------------------------
#
# creator
owner=tes@sgi.com

seq=`basename $0`

here=`pwd`
tmp=/tmp/$$
runas=$here/src/runas
status=1	# FAILure is the default!
trap "_cleanup; exit \$status" 0 1 2 3 15

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

_cleanup()
{
    [ -n "$testdir" ] && rm -f $file
    _cleanup_testdir
}

_testfilter()
{
    sed -e "s#$testdir#TESTDIR#g"
}

# real QA test starts here
_supported_fs xfs udf
_supported_os IRIX

[ -x $runas ] || _notrun "$runas executable not found"

rm -f $seq.full

_setup_testdir
_need_to_be_root

echo "QA output created by $seq"
echo ""
file=$testdir/$seq.file

user=`grep ':all=:all=' /etc/capability | tail -1 | $AWK_PROG -F: '{print $1}'`
uid=`grep $user /etc/passwd | $AWK_PROG -F: '{print $3}'`

cat >$tmp.append <<EOF
#!/bin/sh
echo data >>$file
EOF
chmod ugo+x $tmp.append

echo "touch file"
touch $file
chmod ugo+w $file 

echo "chcap on file"
chcap CAP_CHOWN+p $file

echo "ls -P on file"
ls -P $file | _testfilter

echo "append to file as root"
$tmp.append

echo "ls -P on file"
ls -P $file | _testfilter

echo "append to file as user without caps"
# in particular user doesn't have FSETID or SETFCAP
$runas -u $uid $tmp.append

echo "ls -P on file"
ls -P $file | _testfilter

# success, all done
status=0
exit