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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2022 Oracle. All Rights Reserved.
#
# FS QA Test No. 688
#
# Functional test for dropping capability bits as part of an fallocate.
#
. ./common/preamble
_begin_fstest auto prealloc quick
# Override the default cleanup function.
_cleanup()
{
cd /
rm -r -f $tmp.* $junk_dir
}
# Import common functions.
. ./common/filter
# real QA test starts here
# Modify as appropriate.
_supported_fs generic
_require_user
_require_command "$GETCAP_PROG" getcap
_require_command "$SETCAP_PROG" setcap
_require_xfs_io_command falloc
_require_test
_require_congruent_file_oplen $TEST_DIR 65536
junk_dir=$TEST_DIR/$seq
junk_file=$junk_dir/a
mkdir -p $junk_dir/
chmod a+rw $junk_dir/
setup_testfile() {
rm -f $junk_file
touch $junk_file
chmod a+rwx $junk_file
$SETCAP_PROG cap_setgid,cap_setuid+ep $junk_file
sync
}
commit_and_check() {
local user="$1"
stat -c '%a %A %n' $junk_file | _filter_test_dir
_getcap -v $junk_file | _filter_test_dir
local cmd="$XFS_IO_PROG -c 'falloc 0 64k' $junk_file"
if [ -n "$user" ]; then
su - "$user" -c "$cmd" >> $seqres.full
else
$SHELL -c "$cmd" >> $seqres.full
fi
stat -c '%a %A %n' $junk_file | _filter_test_dir
_getcap -v $junk_file | _filter_test_dir
# Blank line in output
echo
}
# Commit by an unprivileged user clears capability bits.
echo "Test 1 - qa_user"
setup_testfile
commit_and_check "$qa_user"
# Commit by root leaves capability bits.
echo "Test 2 - root"
setup_testfile
commit_and_check
# success, all done
status=0
exit
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