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# Copyright 2013-2019 Lawrence Livermore National Security, LLC and other
# Spack Project Developers. See the top-level COPYRIGHT file for details.
#
# SPDX-License-Identifier: (Apache-2.0 OR MIT)
import os
import pytest
import stat
from spack.util.file_permissions import (
set_permissions, InvalidPermissionsError
)
import llnl.util.filesystem as fs
def test_chmod_real_entries_ignores_suid_sgid(tmpdir):
path = str(tmpdir.join('file').ensure())
mode = stat.S_ISUID | stat.S_ISGID | stat.S_ISVTX
os.chmod(path, mode)
mode = os.stat(path).st_mode # adds a high bit we aren't concerned with
perms = stat.S_IRWXU
set_permissions(path, perms)
assert os.stat(path).st_mode == mode | perms & ~stat.S_IXUSR
def test_chmod_rejects_group_writable_suid(tmpdir):
path = str(tmpdir.join('file').ensure())
mode = stat.S_ISUID | stat.S_ISGID | stat.S_ISVTX
fs.chmod_x(path, mode)
perms = stat.S_IRWXU | stat.S_IRWXG | stat.S_IRWXO
with pytest.raises(InvalidPermissionsError):
set_permissions(path, perms)
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