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# Unix SMB/CIFS implementation. Tests for ntacls manipulation
# Copyright (C) Andrew Bartlett 2018
# Copyright (C) Joe Guo <joeg@catalyst.net.nz> 2018
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
"""Tests for samba ntacls backup"""
import os
from samba.samba3 import libsmb_samba_internal as libsmb
from samba.samba3 import smbd
from samba import samdb
from samba import ntacls
from samba.auth import system_session
from samba.dcerpc import security
from samba.tests import env_loadparm
from samba.tests.smbd_base import SmbdBaseTests
class NtaclsBackupRestoreTests(SmbdBaseTests):
"""
Tests for NTACLs backup and restore.
"""
def setUp(self):
super(NtaclsBackupRestoreTests, self).setUp()
self.server = os.environ["SERVER"] # addc
samdb_url = 'ldap://' + self.server
self.service = 'test1' # service/share to test
# root path for service
self.service_root = os.path.join(
os.environ["LOCAL_PATH"], self.service)
self.smb_conf_path = os.environ['SMB_CONF_PATH']
self.creds = self.insta_creds(template=self.get_credentials())
self.samdb_conn = samdb.SamDB(
url=samdb_url, session_info=system_session(),
credentials=self.creds, lp=env_loadparm())
self.dom_sid = security.dom_sid(self.samdb_conn.get_domain_sid())
# helper will load conf into lp, that's how smbd can find services.
self.ntacls_helper = ntacls.NtaclsHelper(self.service,
self.smb_conf_path,
self.dom_sid)
self.lp = self.ntacls_helper.lp
self.smb_conn = libsmb.Conn(
self.server, self.service, lp=self.lp, creds=self.creds)
self.smb_helper = ntacls.SMBHelper(self.smb_conn, self.dom_sid)
self.tarfile_path = os.path.join(self.tempdir,
'ntacls-backup.tar.gz')
# an example file tree
self.tree = {
'file0.txt': b'test file0',
'dir1': {
'file1.txt': b'test file1',
'dir2': {} # an empty dir in dir
},
}
self._delete_tarfile()
self.smb_helper.delete_tree()
self.smb_helper.create_tree(self.tree)
self._check_tree()
# keep a copy of ntacls after tree just created
self.original_ntacls = self.smb_helper.get_ntacls()
def tearDown(self):
self._delete_tarfile()
self.smb_helper.delete_tree()
super(NtaclsBackupRestoreTests, self).tearDown()
def _delete_tarfile(self):
try:
os.remove(self.tarfile_path)
except OSError:
pass
def _check_tarfile(self):
self.assertTrue(os.path.isfile(self.tarfile_path))
def _check_tree(self):
actual_tree = self.smb_helper.get_tree()
self.assertDictEqual(self.tree, actual_tree)
def test_smbd_mkdir(self):
"""
A smoke test for smbd.mkdir API
"""
dirpath = os.path.join(self.service_root, 'a-dir')
smbd.mkdir(dirpath, self.service)
mode = os.stat(dirpath).st_mode
# This works in conjunction with the TEST_UMASK in smbd_base
# to ensure that permissions are not related to the umask
# but instead the smb.conf settings
self.assertEquals(mode & 0o777, 0o755)
self.assertTrue(os.path.isdir(dirpath))
def test_smbd_create_file(self):
"""
A smoke test for smbd.create_file and smbd.unlink API
"""
filepath = os.path.join(self.service_root, 'a-file')
smbd.create_file(filepath, self.service)
self.assertTrue(os.path.isfile(filepath))
mode = os.stat(filepath).st_mode
# This works in conjunction with the TEST_UMASK in smbd_base
# to ensure that permissions are not related to the umask
# but instead the smb.conf settings
self.assertEquals(mode & 0o777, 0o644)
# As well as checking that unlink works, this removes the
# fake xattrs from the dev/inode based DB
smbd.unlink(filepath, self.service)
self.assertFalse(os.path.isfile(filepath))
def test_compare_getntacl(self):
"""
Ntacls get from different ways should be the same
"""
file_name = 'file0.txt'
file_path = os.path.join(self.service_root, file_name)
sd0 = self.smb_helper.get_acl(file_name, as_sddl=True)
sd1 = self.ntacls_helper.getntacl(
file_path, as_sddl=True, direct_db_access=False)
sd2 = self.ntacls_helper.getntacl(
file_path, as_sddl=True, direct_db_access=True)
self.assertEquals(sd0, sd1)
self.assertEquals(sd1, sd2)
def test_backup_online(self):
"""
Backup service online, delete files, restore and check.
"""
ntacls.backup_online(
self.smb_conn, self.tarfile_path, self.dom_sid)
self._check_tarfile()
self.smb_helper.delete_tree()
ntacls.backup_restore(
self.tarfile_path, self.service_root,
self.samdb_conn, self.smb_conf_path)
self._check_tree()
# compare ntacls after restored
self.assertDictEqual(
self.original_ntacls, self.smb_helper.get_ntacls())
def test_backup_offline(self):
"""
Backup service offline, delete files, restore and check.
"""
ntacls.backup_offline(
self.service_root, self.tarfile_path,
self.samdb_conn, self.smb_conf_path)
self._check_tarfile()
self.smb_helper.delete_tree()
ntacls.backup_restore(
self.tarfile_path, self.service_root,
self.samdb_conn, self.smb_conf_path)
self._check_tree()
# compare ntacls after restored
self.assertDictEqual(
self.original_ntacls, self.smb_helper.get_ntacls())
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