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|
#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2022 Oracle. All Rights Reserved.
#
# FS QA Test No. 685
#
# Functional test for dropping suid and sgid bits as part of a fzero.
#
. ./common/preamble
_begin_fstest auto clone quick perms zero
# Override the default cleanup function.
_cleanup()
{
cd /
rm -r -f $tmp.* $junk_dir
}
# Import common functions.
. ./common/filter
. ./common/reflink
# real QA test starts here
# Modify as appropriate.
_supported_fs generic
_require_user
_require_test
verb=fzero
_require_xfs_io_command $verb
_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
_pwrite_byte 0x58 0 192k $junk_file >> $seqres.full
sync
}
commit_and_check() {
local user="$1"
local command="$2"
local start="$3"
local end="$4"
stat -c '%a %A %n' $junk_file | _filter_test_dir
local cmd="$XFS_IO_PROG -c '$command $start $end' $junk_file"
if [ -n "$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
# Blank line in output
echo
}
# Commit to a non-exec file by an unprivileged user clears suid and sgid.
echo "Test 1 - qa_user, non-exec file $verb"
setup_testfile
chmod a+rws $junk_file
commit_and_check "$qa_user" "$verb" 64k 64k
# Commit to a group-exec file by an unprivileged user clears suid and sgid.
echo "Test 2 - qa_user, group-exec file $verb"
setup_testfile
chmod g+x,a+rws $junk_file
commit_and_check "$qa_user" "$verb" 64k 64k
# Commit to a user-exec file by an unprivileged user clears suid and sgid.
echo "Test 3 - qa_user, user-exec file $verb"
setup_testfile
chmod u+x,a+rws,g-x $junk_file
commit_and_check "$qa_user" "$verb" 64k 64k
# Commit to a all-exec file by an unprivileged user clears suid and sgid.
echo "Test 4 - qa_user, all-exec file $verb"
setup_testfile
chmod a+rwxs $junk_file
commit_and_check "$qa_user" "$verb" 64k 64k
# Commit to a non-exec file by root leaves suid and sgid.
echo "Test 5 - root, non-exec file $verb"
setup_testfile
chmod a+rws $junk_file
commit_and_check "" "$verb" 64k 64k
# Commit to a group-exec file by root leaves suid and sgid.
echo "Test 6 - root, group-exec file $verb"
setup_testfile
chmod g+x,a+rws $junk_file
commit_and_check "" "$verb" 64k 64k
# Commit to a user-exec file by root leaves suid and sgid.
echo "Test 7 - root, user-exec file $verb"
setup_testfile
chmod u+x,a+rws,g-x $junk_file
commit_and_check "" "$verb" 64k 64k
# Commit to a all-exec file by root leaves suid and sgid.
echo "Test 8 - root, all-exec file $verb"
setup_testfile
chmod a+rwxs $junk_file
commit_and_check "" "$verb" 64k 64k
# Commit to a group-exec file by an unprivileged user clears sgid
echo "Test 9 - qa_user, group-exec file $verb, only sgid"
setup_testfile
chmod a+rw,g+rwxs $junk_file
commit_and_check "$qa_user" "$verb" 64k 64k
# Commit to a all-exec file by an unprivileged user clears sgid.
echo "Test 10 - qa_user, all-exec file $verb, only sgid"
setup_testfile
chmod a+rwx,g+rwxs $junk_file
commit_and_check "$qa_user" "$verb" 64k 64k
# success, all done
status=0
exit
|
