JezK
Edit File: auth_log_netlogon.py
# Unix SMB/CIFS implementation. # Copyright (C) Andrew Bartlett <abartlet@samba.org> 2017 # Copyright (C) Catalyst IT Ltd. 2017 # # 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 that exercise the auth logging for a successful netlogon attempt NOTE: As the netlogon authentication is performed once per session, there is only one test in this routine. If another test is added only the test executed first will generate the netlogon auth message """ import samba.tests import os from samba.samdb import SamDB import samba.tests.auth_log_base from samba.credentials import Credentials from samba.dcerpc import netlogon from samba.dcerpc.dcerpc import AS_SYSTEM_MAGIC_PATH_TOKEN from samba.auth import system_session from samba.tests import delete_force from samba.dsdb import UF_WORKSTATION_TRUST_ACCOUNT, UF_PASSWD_NOTREQD from samba.dcerpc.misc import SEC_CHAN_WKSTA from samba.dcerpc.windows_event_ids import ( EVT_ID_SUCCESSFUL_LOGON, EVT_LOGON_NETWORK ) class AuthLogTestsNetLogon(samba.tests.auth_log_base.AuthLogTestBase): def setUp(self): super(AuthLogTestsNetLogon, self).setUp() self.lp = samba.tests.env_loadparm() self.session = system_session() self.ldb = SamDB( session_info=self.session, lp=self.lp) self.domain = os.environ["DOMAIN"] self.netbios_name = "NetLogonGood" self.machinepass = "abcdefghij" self.remoteAddress = AS_SYSTEM_MAGIC_PATH_TOKEN self.base_dn = self.ldb.domain_dn() self.dn = ("cn=%s,cn=users,%s" % (self.netbios_name, self.base_dn)) utf16pw = ('"' + self.machinepass + '"').encode('utf-16-le') self.ldb.add({ "dn": self.dn, "objectclass": "computer", "sAMAccountName": "%s$" % self.netbios_name, "userAccountControl": str(UF_WORKSTATION_TRUST_ACCOUNT | UF_PASSWD_NOTREQD), "unicodePwd": utf16pw}) def tearDown(self): super(AuthLogTestsNetLogon, self).tearDown() delete_force(self.ldb, self.dn) def _test_netlogon(self, binding, checkFunction): def isLastExpectedMessage(msg): return ( msg["type"] == "Authorization" and msg["Authorization"]["serviceDescription"] == "DCE/RPC" and msg["Authorization"]["authType"] == "schannel" and msg["Authorization"]["transportProtection"] == "SEAL") if binding: binding = "[schannel,%s]" % binding else: binding = "[schannel]" machine_creds = Credentials() machine_creds.guess(self.get_loadparm()) machine_creds.set_secure_channel_type(SEC_CHAN_WKSTA) machine_creds.set_password(self.machinepass) machine_creds.set_username(self.netbios_name + "$") netlogon_conn = netlogon.netlogon("ncalrpc:%s" % binding, self.get_loadparm(), machine_creds) messages = self.waitForMessages(isLastExpectedMessage, netlogon_conn) checkFunction(messages) def netlogon_check(self, messages): expected_messages = 5 self.assertEqual(expected_messages, len(messages), "Did not receive the expected number of messages") # Check the first message it should be an Authorization msg = messages[0] self.assertEqual("Authorization", msg["type"]) self.assertEqual("DCE/RPC", msg["Authorization"]["serviceDescription"]) self.assertEqual("ncalrpc", msg["Authorization"]["authType"]) self.assertEqual("NONE", msg["Authorization"]["transportProtection"]) self.assertTrue(self.is_guid(msg["Authorization"]["sessionId"])) # Check the fourth message it should be a NETLOGON Authentication msg = messages[3] self.assertEqual("Authentication", msg["type"]) self.assertEqual("NETLOGON", msg["Authentication"]["serviceDescription"]) self.assertEqual("ServerAuthenticate", msg["Authentication"]["authDescription"]) self.assertEqual("NT_STATUS_OK", msg["Authentication"]["status"]) self.assertEqual("HMAC-SHA256", msg["Authentication"]["passwordType"]) self.assertEqual(EVT_ID_SUCCESSFUL_LOGON, msg["Authentication"]["eventId"]) self.assertEqual(EVT_LOGON_NETWORK, msg["Authentication"]["logonType"]) def test_netlogon(self): self._test_netlogon("SEAL", self.netlogon_check)