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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2015 Red Hat, Inc.
#
# FSQA Test No. 087
#
# Check if setting the file access and modification times to the current time
# (t) and to a specific timestamp (T) is allowed when expected.
#
# From utime(2): Changing timestamps is permitted when: either the process has
# appropriate privileges, or the effective user ID equals the user ID of the
# file, or [the process is trying to set the timestamps to the current time]
# and the process has write permission for the file.
#
# Note that the last of these tests will always wrongly succeed over NFSv2.
# For NFSv3+, that test will wrongly succeed until kernel commit
# "Disable NFSv2 timestamp workaround for NFSv3+".
#
. ./common/preamble
_begin_fstest perms auto quick
# Override the default cleanup function.
_cleanup()
{
cd /
}
# Import common functions.
. ./common/filter
# real QA test starts here
_supported_fs generic
_require_test
_require_chown
QA_FS_PERMS=$here/src/fs_perms
cd $TEST_DIR
cp $here/src/testx ./testx.file
# The owner:
$QA_FS_PERMS 600 99 99 99 99 t 1
$QA_FS_PERMS 600 99 99 99 99 T 1
# Other processes with and without write permission:
$QA_FS_PERMS 600 99 99 100 99 t 0
$QA_FS_PERMS 600 99 99 100 99 T 0
$QA_FS_PERMS 660 99 99 100 99 t 1
$QA_FS_PERMS 660 99 99 100 99 T 0
rm -f ./testx.file
status=0
exit
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