selftest: Rename ntlmauth tests to ntlmdisabled

There are already some existing ntlm_auth tests, so the new tests I've
added make things a bit confusing. Also, ntlmdisabled probably better
reflects the specific case we're trying to test.

Signed-off-by: Tim Beale <timbeale@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>

python/samba/tests/ntlmdisabled.py

@@ -0,0 +1,88 @@
+# Tests basic behaviour when NTLM is disabled
+#
+# 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/>.
+#
+from samba.tests import TestCase
+import os
+
+import samba
+from samba.credentials import Credentials, DONT_USE_KERBEROS, MUST_USE_KERBEROS
+
+from samba import NTSTATUSError, ntstatus
+import ctypes
+
+from samba import credentials
+from samba.dcerpc import srvsvc, samr, lsa
+
+"""
+Tests behaviour when NTLM is disabled
+"""
+
+class NtlmDisabledTests(TestCase):
+
+    def setUp(self):
+        super(NtlmDisabledTests, self).setUp()
+
+        self.lp          = self.get_loadparm()
+        self.server      = os.getenv("SERVER")
+
+        self.creds = Credentials()
+        self.creds.guess(self.lp)
+        self.creds.set_username(os.getenv("USERNAME"))
+        self.creds.set_domain(self.server)
+        self.creds.set_password(os.getenv("PASSWORD"))
+        self.creds.set_kerberos_state(DONT_USE_KERBEROS)
+
+    def tearDown(self):
+        super(NtlmDisabledTests, self).tearDown()
+
+    def test_ntlm_connection(self):
+        try:
+            conn = srvsvc.srvsvc("ncacn_np:%s[smb2,ntlm]" % self.server, self.lp, self.creds)
+
+            self.assertIsNotNone(conn)
+        except NTSTATUSError as e:
+            # NTLM might be blocked on this server
+            enum = ctypes.c_uint32(e[0]).value
+            if enum == ntstatus.NT_STATUS_NTLM_BLOCKED:
+                self.fail("NTLM is disabled on this server")
+            else:
+                raise
+
+    def test_samr_change_password(self):
+        self.creds.set_kerberos_state(MUST_USE_KERBEROS)
+        conn = samr.samr("ncacn_np:%s[krb5,seal,smb2]" % os.getenv("SERVER"))
+
+        # we want to check whether this gets rejected outright because NTLM is
+        # disabled, so we don't actually need to encrypt a valid password here
+        server = lsa.String()
+        server.string = self.server
+        username = lsa.String()
+        username.string = os.getenv("USERNAME")
+
+        try:
+            conn.ChangePasswordUser2(server, username, None, None, True, None, None)
+        except NTSTATUSError as e:
+            # changing passwords should be rejected when NTLM is disabled
+            enum = ctypes.c_uint32(e[0]).value
+            if enum == ntstatus.NT_STATUS_NTLM_BLOCKED:
+                self.fail("NTLM is disabled on this server")
+            elif enum == ntstatus.NT_STATUS_WRONG_PASSWORD:
+                # expected error case when NTLM is enabled
+                pass
+            else:
+                raise
+