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# Unix SMB/CIFS implementation.
#
# Copyright (C) Andrew Bartlett 2011
# Copyright (C) Isaac Boukris 2020
#
# 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 the CreateTrustedDomainRelax wrapper"""
import samba
from samba.tests import TestCase
from samba.dcerpc import lsa, security, drsblobs
from samba.credentials import (
Credentials,
SMB_ENCRYPTION_REQUIRED,
SMB_ENCRYPTION_OFF
)
from samba.lsa_utils import (
OpenPolicyFallback,
CreateTrustedDomainRelax,
CreateTrustedDomainFallback,
)
class CreateTrustedDomain(TestCase):
smbencrypt = True
def get_user_creds(self):
c = Credentials()
c.guess()
domain = samba.tests.env_get_var_value('DOMAIN')
username = samba.tests.env_get_var_value('USERNAME')
password = samba.tests.env_get_var_value('PASSWORD')
c.set_domain(domain)
c.set_username(username)
c.set_password(password)
return c
def new_lsa_conn(self, basis_connection=None):
creds = self.get_user_creds()
if self.smbencrypt:
creds.set_smb_encryption(SMB_ENCRYPTION_REQUIRED)
else:
creds.set_smb_encryption(SMB_ENCRYPTION_OFF)
lp = self.get_loadparm()
binding_string = (
"ncacn_np:%s" % (samba.tests.env_get_var_value('SERVER'))
)
lsa_conn = lsa.lsarpc(
binding_string,
lp,
creds,
basis_connection=basis_connection
)
if self.smbencrypt:
self.assertTrue(lsa_conn.transport_encrypted())
else:
self.assertFalse(lsa_conn.transport_encrypted())
return lsa_conn
def _create_trust_relax(self, smbencrypt=True):
self.smbencrypt = smbencrypt
in_version = 1
in_revision_info1 = lsa.revision_info1()
in_revision_info1.revision = 1
in_revision_info1.supported_features = (
lsa.LSA_FEATURE_TDO_AUTH_INFO_AES_CIPHER
)
(
lsa_conn,
out_version,
out_revision_info1,
pol_handle
) = OpenPolicyFallback(
self.new_lsa_conn,
'',
in_version,
in_revision_info1,
False,
security.SEC_FLAG_MAXIMUM_ALLOWED
)
self.assertIsNotNone(pol_handle)
name = lsa.String()
name.string = "tests.samba.example.com"
try:
info = lsa_conn.QueryTrustedDomainInfoByName(
pol_handle,
name,
lsa.LSA_TRUSTED_DOMAIN_INFO_FULL_INFO
)
lsa_conn.DeleteTrustedDomain(pol_handle, info.info_ex.sid)
except RuntimeError:
pass
info = lsa.TrustDomainInfoInfoEx()
info.domain_name.string = name.string
info.netbios_name.string = "TESTTRUSTRELAXX"
info.sid = security.dom_sid("S-1-5-21-538490383-3740119673-95748416")
info.trust_direction = (
lsa.LSA_TRUST_DIRECTION_INBOUND
| lsa.LSA_TRUST_DIRECTION_OUTBOUND
)
info.trust_type = lsa.LSA_TRUST_TYPE_UPLEVEL
info.trust_attributes = lsa.LSA_TRUST_ATTRIBUTE_FOREST_TRANSITIVE
password_blob = list("password".encode('utf-16-le'))
clear_value = drsblobs.AuthInfoClear()
clear_value.size = len(password_blob)
clear_value.password = password_blob
clear_authentication_information = drsblobs.AuthenticationInformation()
clear_authentication_information.LastUpdateTime = 0
clear_authentication_information.AuthType = lsa.TRUST_AUTH_TYPE_CLEAR
clear_authentication_information.AuthInfo = clear_value
auth_info_array = drsblobs.AuthenticationInformationArray()
auth_info_array.count = 1
auth_info_array.array = [clear_authentication_information]
outgoing = drsblobs.trustAuthInOutBlob()
outgoing.count = 1
outgoing.current = auth_info_array
trustdom_handle = None
try:
trustdom_handle = CreateTrustedDomainRelax(lsa_conn,
pol_handle,
info,
security.SEC_STD_DELETE,
outgoing,
outgoing)
except samba.NTSTATUSError as nt:
raise AssertionError(nt)
except OSError as e:
if smbencrypt:
raise AssertionError(e)
if smbencrypt:
self.assertIsNotNone(trustdom_handle)
lsa_conn.DeleteTrustedDomain(pol_handle, info.sid)
else:
self.assertIsNone(trustdom_handle)
def _create_trust_fallback(self):
self.smbencrypt = True
in_version = 1
in_revision_info1 = lsa.revision_info1()
in_revision_info1.revision = 1
in_revision_info1.supported_features = (
lsa.LSA_FEATURE_TDO_AUTH_INFO_AES_CIPHER
)
(
lsa_conn,
out_version,
out_revision_info1,
pol_handle
) = OpenPolicyFallback(
self.new_lsa_conn,
'',
in_version,
in_revision_info1,
False,
security.SEC_FLAG_MAXIMUM_ALLOWED
)
self.assertIsNotNone(pol_handle)
name = lsa.String()
name.string = "tests.samba.example.com"
try:
info = lsa_conn.QueryTrustedDomainInfoByName(
pol_handle,
name,
lsa.LSA_TRUSTED_DOMAIN_INFO_FULL_INFO
)
lsa_conn.DeleteTrustedDomain(pol_handle, info.info_ex.sid)
except RuntimeError:
pass
info = lsa.TrustDomainInfoInfoEx()
info.domain_name.string = name.string
info.netbios_name.string = "TESTTRUSTRELAXX"
info.sid = security.dom_sid("S-1-5-21-538490383-3740119673-95748416")
info.trust_direction = (
lsa.LSA_TRUST_DIRECTION_INBOUND
| lsa.LSA_TRUST_DIRECTION_OUTBOUND
)
info.trust_type = lsa.LSA_TRUST_TYPE_UPLEVEL
info.trust_attributes = lsa.LSA_TRUST_ATTRIBUTE_FOREST_TRANSITIVE
password_blob = list("password".encode('utf-16-le'))
clear_value = drsblobs.AuthInfoClear()
clear_value.size = len(password_blob)
clear_value.password = password_blob
clear_authentication_information = drsblobs.AuthenticationInformation()
clear_authentication_information.LastUpdateTime = 0
clear_authentication_information.AuthType = lsa.TRUST_AUTH_TYPE_CLEAR
clear_authentication_information.AuthInfo = clear_value
auth_info_array = drsblobs.AuthenticationInformationArray()
auth_info_array.count = 1
auth_info_array.array = [clear_authentication_information]
outgoing = drsblobs.trustAuthInOutBlob()
outgoing.count = 1
outgoing.current = auth_info_array
trustdom_handle = None
try:
trustdom_handle = CreateTrustedDomainFallback(
lsa_conn,
pol_handle,
info,
security.SEC_STD_DELETE,
out_version,
out_revision_info1,
outgoing,
outgoing
)
except samba.NTSTATUSError as nt:
raise AssertionError(nt)
self.assertIsNotNone(trustdom_handle)
lsa_conn.DeleteTrustedDomain(pol_handle, info.sid)
def test_create_trust_relax_encrypt(self):
self._create_trust_relax(True)
def test_create_trust_relax_no_enc(self):
self._create_trust_relax(False)
def test_create_trust_fallback(self):
self._create_trust_fallback()
|
