from samba import gensec, auth
import samba.tests
+
class GensecTests(samba.tests.TestCase):
def setUp(self):
self.settings = {}
self.settings["lp_ctx"] = self.lp_ctx = samba.tests.env_loadparm()
self.settings["target_hostname"] = self.lp_ctx.get("netbios name")
+ self.lp_ctx.set("spnego:simulate_w2k", "no")
+
"""This is just for the API tests"""
self.gensec = gensec.Security.start_client(self.settings)
def test_info_uninitialized(self):
self.assertRaises(RuntimeError, self.gensec.session_info)
- def test_update(self):
+ def _test_update(self, mech, client_mech=None):
"""Test GENSEC by doing an exchange with ourselves using GSSAPI against a KDC"""
"""Start up a client and server GENSEC instance to test things with"""
self.gensec_client = gensec.Security.start_client(self.settings)
self.gensec_client.set_credentials(self.get_credentials())
self.gensec_client.want_feature(gensec.FEATURE_SEAL)
- self.gensec_client.start_mech_by_sasl_name("GSSAPI")
+ if client_mech is not None:
+ self.gensec_client.start_mech_by_name(client_mech)
+ else:
+ self.gensec_client.start_mech_by_sasl_name(mech)
self.gensec_server = gensec.Security.start_server(settings=self.settings,
auth_context=auth.AuthContext(lp_ctx=self.lp_ctx))
self.gensec_server.set_credentials(creds)
self.gensec_server.want_feature(gensec.FEATURE_SEAL)
- self.gensec_server.start_mech_by_sasl_name("GSSAPI")
+ self.gensec_server.start_mech_by_sasl_name(mech)
client_finished = False
server_finished = False
server_to_client = b""
+ client_to_server = b""
"""Run the actual call loop"""
- while not client_finished and not server_finished:
+ while True:
if not client_finished:
print("running client gensec_update")
(client_finished, client_to_server) = self.gensec_client.update(server_to_client)
if not server_finished:
print("running server gensec_update")
(server_finished, server_to_client) = self.gensec_server.update(client_to_server)
+
+ if client_finished and server_finished:
+ break
+
+ self.assertTrue(server_finished)
+ self.assertTrue(client_finished)
+
session_info = self.gensec_server.session_info()
test_bytes = b"Hello Server"
- test_wrapped = self.gensec_client.wrap(test_bytes)
- test_unwrapped = self.gensec_server.unwrap(test_wrapped)
+ try:
+ test_wrapped = self.gensec_client.wrap(test_bytes)
+ test_unwrapped = self.gensec_server.unwrap(test_wrapped)
+ except samba.NTSTATUSError as e:
+ self.fail(str(e))
+
self.assertEqual(test_bytes, test_unwrapped)
test_bytes = b"Hello Client"
test_wrapped = self.gensec_server.wrap(test_bytes)
server_session_key = self.gensec_server.session_key()
self.assertEqual(client_session_key, server_session_key)
+ def test_update(self):
+ self._test_update("GSSAPI")
+
+ def test_update_spnego(self):
+ self._test_update("GSS-SPNEGO")
+
+ def test_update_w2k_spnego_client(self):
+ self.lp_ctx.set("spnego:simulate_w2k", "yes")
+
+ # Re-start the client with this set
+ self.gensec = gensec.Security.start_client(self.settings)
+
+ # Unset it for the server
+ self.lp_ctx.set("spnego:simulate_w2k", "no")
+
+ self._test_update("GSS-SPNEGO")
+
+ def test_update_w2k_spnego_server(self):
+ # Re-start the client with this set
+ self.gensec = gensec.Security.start_client(self.settings)
+
+ # Unset it for the server
+ self.lp_ctx.set("spnego:simulate_w2k", "yes")
+
+ self._test_update("GSS-SPNEGO")
+
+ def test_update_w2k_spnego(self):
+ self.lp_ctx.set("spnego:simulate_w2k", "no")
+
+ # Re-start the client with this set
+ self.gensec = gensec.Security.start_client(self.settings)
+
+ self._test_update("GSS-SPNEGO")
+
+ def test_update_gss_krb5_to_spnego(self):
+ self._test_update("GSS-SPNEGO", "gssapi_krb5")
+
+ def test_update_ntlmssp_to_spnego(self):
+ self._test_update("GSS-SPNEGO", "ntlmssp")
+
def test_max_update_size(self):
"""Test GENSEC by doing an exchange with ourselves using GSSAPI against a KDC"""