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# Unix SMB/CIFS implementation. Tests for ntacls manipulation
# Copyright (C) Matthieu Patou <mat@matws.net> 2009-2010
# Copyright (C) Andrew Bartlett 2012
#
# 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."""
import os
from samba.ntacls import setntacl, getntacl, XattrBackendError, dsacl2fsacl
from samba.param import LoadParm
from samba.dcerpc import security
from samba.tests import TestCaseInTempDir, SkipTest
from samba.auth_util import system_session_unix
NTACL_SDDL = "O:S-1-5-21-2212615479-2695158682-2101375467-512G:S-1-5-21-2212615479-2695158682-2101375467-513D:(A;OICI;FA;;;S-1-5-21-2212615479-2695158682-2101375467-512)"
DOMAIN_SID = "S-1-5-21-2212615479-2695158682-2101375467"
class NtaclsTests(TestCaseInTempDir):
def setUp(self):
super().setUp()
self.tempf = os.path.join(self.tempdir, "test")
open(self.tempf, 'w').write("empty")
self.session_info = system_session_unix()
def tearDown(self):
os.unlink(self.tempf)
super().tearDown()
def test_setntacl(self):
lp = LoadParm()
open(self.tempf, 'w').write("empty")
lp.set("posix:eadb", os.path.join(self.tempdir, "eadbtest.tdb"))
setntacl(lp, self.tempf, NTACL_SDDL, DOMAIN_SID, self.session_info)
os.unlink(os.path.join(self.tempdir, "eadbtest.tdb"))
def test_setntacl_getntacl(self):
lp = LoadParm()
open(self.tempf, 'w').write("empty")
lp.set("posix:eadb", os.path.join(self.tempdir, "eadbtest.tdb"))
setntacl(lp, self.tempf, NTACL_SDDL, DOMAIN_SID, self.session_info)
facl = getntacl(lp, self.tempf, self.session_info)
anysid = security.dom_sid(security.SID_NT_SELF)
self.assertEqual(facl.as_sddl(anysid), NTACL_SDDL)
os.unlink(os.path.join(self.tempdir, "eadbtest.tdb"))
def test_setntacl_getntacl_param(self):
lp = LoadParm()
open(self.tempf, 'w').write("empty")
setntacl(lp, self.tempf, NTACL_SDDL, DOMAIN_SID, self.session_info, "tdb",
os.path.join(self.tempdir, "eadbtest.tdb"))
facl = getntacl(lp, self.tempf, self.session_info, "tdb", os.path.join(
self.tempdir, "eadbtest.tdb"))
domsid = security.dom_sid(security.SID_NT_SELF)
self.assertEqual(facl.as_sddl(domsid), NTACL_SDDL)
os.unlink(os.path.join(self.tempdir, "eadbtest.tdb"))
def test_setntacl_invalidbackend(self):
lp = LoadParm()
open(self.tempf, 'w').write("empty")
self.assertRaises(XattrBackendError, setntacl, lp, self.tempf,
NTACL_SDDL, DOMAIN_SID, self.session_info, "ttdb",
os.path.join(self.tempdir, "eadbtest.tdb"))
def test_setntacl_forcenative(self):
if os.getuid() == 0:
raise SkipTest("Running test as root, test skipped")
lp = LoadParm()
open(self.tempf, 'w').write("empty")
lp.set("posix:eadb", os.path.join(self.tempdir, "eadbtest.tdb"))
self.assertRaises(PermissionError, setntacl, lp, self.tempf, NTACL_SDDL,
DOMAIN_SID, self.session_info, "native")
def test_dsacl2fsacl(self):
for comment, dssddl, sid, as_sddl, expected in (
("simple ACE should be unchanged",
'O:BAD:(A;OICI;;;;WD)',
DOMAIN_SID, True,
'O:BAD:(A;OICI;;;;WD)'),
("simple ACE, unchanged, without SDDL conversion",
'O:BAD:(A;OICI;;;;WD)',
DOMAIN_SID, False,
'O:BAD:(A;OICI;;;;WD)'),
("simple ACE with DS mask",
'O:BAD:(A;;CR;;;WD)',
DOMAIN_SID, True,
'O:BAD:(A;OICI;;;;WD)'),
("simple ACE with no mask without SDDL conversion",
'O:BAD:(A;;;;;WD)',
DOMAIN_SID, False,
'O:BAD:(A;OICI;;;;WD)'),
("simple deny ACE should be unchanged",
'O:BAD:(D;OICI;;;;WD)',
DOMAIN_SID, True,
'O:BAD:(D;OICI;;;;WD)'),
("simple deny ACE, unchanged, without SDDL conversion",
'O:BAD:(D;OICI;;;;WD)',
DOMAIN_SID, False,
'O:BAD:(D;OICI;;;;WD)'),
("simple deny ACE with DS mask",
'O:BAD:(D;;CR;;;WD)',
DOMAIN_SID, True,
'O:BAD:(D;OICI;;;;WD)'),
("simple deny ACE with no mask without SDDL conversion",
'O:BAD:(D;;;;;WD)',
DOMAIN_SID, False,
'O:BAD:(D;OICI;;;;WD)'),
("simple ACE with fancy mask",
'O:BAD:(A;NPIOIDSA;;;;WD)',
DOMAIN_SID, False,
'O:BAD:(A;OICINPIOIDSA;;;;WD)'),
("simple ACE with different domain SID and GR mask",
'O:BAD:(A;;GR;;;WD)',
"S-1-2-3-4-5", False,
'O:BAD:(A;OICI;;;;WD)'),
("compound ACL, allow only",
"O:LAG:BAD:P(A;OICI;FA;;;BA)"
"(A;OICI;0x1200a9;;;SO)(A;OICI;FA;;;SY)"
"(A;OICI;0x1200a9;;;AU)(A;OICI;0x1301bf;;;PA)",
DOMAIN_SID, True,
"O:LAG:BAD:P(A;OICI;FA;;;BA)"
"(A;OICI;FW;;;SO)(A;OICI;FA;;;SY)"
"(A;OICI;FW;;;AU)(A;OICI;0x1301ff;;;PA)"),
("compound ACL with object ACES",
"D:(OD;;CR;00299570-246d-11d0-a768-00aa006e0529;;WD)(A;;RPWPCRCCDCLCLORCWOWDSDD"
"TSW;;;DA)(A;;RPWPCRCCDCLCLORCWOWDSDDTSW;;;AO)(A;;RPWPCRCCDCLCLORCWOWDSDDTSW;;;"
"SY)(A;;RPCRLCLORCSDDT;;;CO)(OD;;WP;4c164200-20c0-11d0-a768-00aa006e0529;;CO)(O"
"A;;SW;72e39547-7b18-11d1-adef-00c04fd8d5cd;;CO)(OA;;SW;f3a64788-5306-11d1-a9c5"
"-0000f80367c1;;CO)",
DOMAIN_SID, True,
"D:(A;OICI;FA;;;DA)(A;OICI;FA;;;AO)(A;OICI;FA;;;SY)(A;OICIIO;0x1300a9;;;CO)"),
):
domsid = security.dom_sid(sid)
result = dsacl2fsacl(dssddl, domsid, as_sddl=as_sddl)
if as_sddl:
self.assertIsInstance(result, str,
f"expected sddl in '{comment}' test")
else:
self.assertNotIsInstance(result, str,
f"did not expect sddl in '{comment}' test")
# convert to SDDL to compare the result
result = result.as_sddl(domsid)
self.assertEqual(result, expected)
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