1 # Unix SMB/CIFS implementation.
2 # Copyright (C) Andrew Bartlett <abartlet@samba.org> 2018
4 # This program is free software; you can redistribute it and/or modify
5 # it under the terms of the GNU General Public License as published by
6 # the Free Software Foundation; either version 3 of the License, or
7 # (at your option) any later version.
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program. If not, see <http://www.gnu.org/licenses/>.
19 Tests GetDCNameEx calls in NETLOGON
22 from samba import auth
23 from samba import WERRORError, werror
26 from samba.credentials import Credentials
27 from samba.dcerpc import netlogon
28 from samba.dcerpc.misc import GUID
31 class GetDCNameEx(samba.tests.TestCase):
34 self.lp = samba.tests.env_loadparm()
35 self.creds = Credentials()
37 self.netlogon_conn = None
38 self.server = os.environ.get('SERVER')
39 self.realm = os.environ.get('REALM')
40 self.domain = os.environ.get('DOMAIN')
41 self.trust_realm = os.environ.get('TRUST_REALM')
42 self.trust_domain = os.environ.get('TRUST_DOMAIN')
44 def _call_get_dc_name(self, domain=None, domain_guid=None,
45 site_name=None, ex2=False, flags=0):
46 if self.netlogon_conn is None:
47 self.netlogon_conn = netlogon.netlogon("ncalrpc:[schannel]",
51 return self.netlogon_conn.netr_DsRGetDCNameEx2(self.server,
58 return self.netlogon_conn.netr_DsRGetDCNameEx(self.server,
64 def test_get_dc_ex2(self):
65 """Check the most trivial requirements of Ex2 (no domain or site)
67 a) The paths are prefixed with two backslashes
68 b) The returned domains conform to the format requested
69 c) The domain matches our own domain
71 response = self._call_get_dc_name(ex2=True)
73 self.assertTrue(response.dc_unc is not None)
74 self.assertTrue(response.dc_unc.startswith('\\\\'))
75 self.assertTrue(response.dc_address is not None)
76 self.assertTrue(response.dc_address.startswith('\\\\'))
78 self.assertTrue(response.domain_name.lower() ==
80 response.domain_name.lower() ==
83 response = self._call_get_dc_name(ex2=True,
84 flags=netlogon.DS_RETURN_DNS_NAME)
85 self.assertEqual(response.domain_name.lower(),
88 response = self._call_get_dc_name(ex2=True,
89 flags=netlogon.DS_RETURN_FLAT_NAME)
90 self.assertEqual(response.domain_name.lower(),
93 def test_get_dc_over_winbind_ex2(self):
94 """Check what happens to Ex2 requests after being forwarded to winbind
96 a) The paths must still have the same backslash prefixes
97 b) The returned domain does not match our own domain
98 c) The domain matches the format requested
100 if self.trust_realm is None:
103 response_trust = self._call_get_dc_name(domain=self.trust_realm,
105 response = self._call_get_dc_name(domain=self.realm,
108 self.assertTrue(response_trust.dc_unc is not None)
109 self.assertTrue(response_trust.dc_unc.startswith('\\\\'))
110 self.assertTrue(response_trust.dc_address is not None)
111 self.assertTrue(response_trust.dc_address.startswith('\\\\'))
113 self.assertNotEqual(response_trust.dc_unc,
115 self.assertNotEqual(response_trust.dc_address,
118 self.assertTrue(response_trust.domain_name.lower() ==
119 self.trust_realm.lower() or
120 response_trust.domain_name.lower() ==
121 self.trust_domain.lower())
123 response_trust = self._call_get_dc_name(domain=self.trust_realm,
124 flags=netlogon.DS_RETURN_DNS_NAME,
126 self.assertEqual(response_trust.domain_name.lower(),
127 self.trust_realm.lower())
129 response_trust = self._call_get_dc_name(domain=self.trust_realm,
130 flags=netlogon.DS_RETURN_FLAT_NAME,
132 self.assertEqual(response_trust.domain_name.lower(),
133 self.trust_domain.lower())
135 def test_get_dc_over_winbind(self):
136 """Test the standard Ex version (not Ex2)
138 Ex calls Ex2 anyways, from now on, just test Ex.
140 if self.trust_realm is None:
143 response_trust = self._call_get_dc_name(domain=self.trust_realm,
144 flags=netlogon.DS_RETURN_DNS_NAME)
146 self.assertTrue(response_trust.dc_unc is not None)
147 self.assertTrue(response_trust.dc_unc.startswith('\\\\'))
148 self.assertTrue(response_trust.dc_address is not None)
149 self.assertTrue(response_trust.dc_address.startswith('\\\\'))
151 self.assertEqual(response_trust.domain_name.lower(),
152 self.trust_realm.lower())
154 def test_get_dc_over_winbind_with_site(self):
155 """Test the standard Ex version (not Ex2)
157 We assume that there is a Default-First-Site-Name site.
159 if self.trust_realm is None:
162 site = 'Default-First-Site-Name'
163 response_trust = self._call_get_dc_name(domain=self.trust_realm,
165 flags=netlogon.DS_RETURN_DNS_NAME)
167 self.assertTrue(response_trust.dc_unc is not None)
168 self.assertTrue(response_trust.dc_unc.startswith('\\\\'))
169 self.assertTrue(response_trust.dc_address is not None)
170 self.assertTrue(response_trust.dc_address.startswith('\\\\'))
172 self.assertEqual(response_trust.domain_name.lower(),
173 self.trust_realm.lower())
175 self.assertEqual(site.lower(), response_trust.dc_site_name.lower())
177 def test_get_dc_over_winbind_invalid_site(self):
178 """Test the standard Ex version (not Ex2)
180 We assume that there is no Invalid-First-Site-Name site.
182 if self.trust_realm is None:
185 site = 'Invalid-First-Site-Name'
187 response_trust = self._call_get_dc_name(domain=self.trust_realm,
189 flags=netlogon.DS_RETURN_DNS_NAME,
191 self.fail("Failed to give the correct error for incorrect site")
192 except WERRORError as e:
194 if enum != werror.WERR_NO_SUCH_DOMAIN:
195 self.fail("Failed to detect an invalid site name")
197 def test_get_dc_over_winbind_invalid_site_ex2(self):
198 """Test the Ex2 version.
200 We assume that there is no Invalid-First-Site-Name site.
202 if self.trust_realm is None:
205 site = 'Invalid-First-Site-Name'
207 response_trust = self._call_get_dc_name(domain=self.trust_realm,
209 flags=netlogon.DS_RETURN_DNS_NAME,
211 self.fail("Failed to give the correct error for incorrect site")
212 except WERRORError as e:
214 if enum != werror.WERR_NO_SUCH_DOMAIN:
215 self.fail("Failed to detect an invalid site name")
217 def test_get_dc_over_winbind_empty_string_site(self):
218 """Test the standard Ex version (not Ex2)
220 We assume that there is a Default-First-Site-Name site.
222 if self.trust_realm is None:
227 response_trust = self._call_get_dc_name(domain=self.trust_realm,
229 flags=netlogon.DS_RETURN_DNS_NAME)
230 except WERRORError as e:
231 self.fail("Unable to get empty string site result: " + str(e))
233 self.assertTrue(response_trust.dc_unc is not None)
234 self.assertTrue(response_trust.dc_unc.startswith('\\\\'))
235 self.assertTrue(response_trust.dc_address is not None)
236 self.assertTrue(response_trust.dc_address.startswith('\\\\'))
238 self.assertEqual(response_trust.domain_name.lower(),
239 self.trust_realm.lower())
241 self.assertTrue(response_trust.dc_site_name is not None)
242 self.assertNotEqual('', response_trust.dc_site_name)
244 def test_get_dc_over_winbind_netbios(self):
245 """Supply a NETBIOS trust domain name."""
246 if self.trust_realm is None:
250 response_trust = self._call_get_dc_name(domain=self.trust_domain,
251 flags=netlogon.DS_RETURN_DNS_NAME,
253 except WERRORError as e:
254 self.fail("Failed to succeed over winbind: " + str(e))
256 self.assertTrue(response_trust is not None)
257 self.assertEqual(response_trust.domain_name.lower(),
258 self.trust_realm.lower())
260 def test_get_dc_over_winbind_with_site_netbios(self):
261 """Supply a NETBIOS trust domain name.
263 Sporadically fails because NETBIOS queries do not return site name in
264 winbind. The site check in NETLOGON will trigger and fail the request.
266 Currently marked in flapping...
268 if self.trust_realm is None:
271 site = 'Default-First-Site-Name'
273 response_trust = self._call_get_dc_name(domain=self.trust_domain,
275 flags=netlogon.DS_RETURN_DNS_NAME,
277 except WERRORError as e:
278 self.fail("get_dc_name (domain=%s,site=%s) over winbind failed: %s"
279 % (self.trust_domain, site, e))
281 self.assertTrue(response_trust is not None)
282 self.assertEqual(response_trust.domain_name.lower(),
283 self.trust_realm.lower())
285 self.assertEqual(site.lower(), response_trust.dc_site_name.lower())
287 def test_get_dc_over_winbind_domain_guid(self):
288 """Ensure that we do not reject requests supplied with a NULL GUID"""
290 if self.trust_realm is None:
295 response_trust = self._call_get_dc_name(domain=self.trust_realm,
296 domain_guid=null_guid,
297 flags=netlogon.DS_RETURN_DNS_NAME)
298 except WERRORError as e:
299 self.fail("Unable to get NULL domain GUID result: " + str(e))
301 self.assertTrue(response_trust.dc_unc is not None)
302 self.assertTrue(response_trust.dc_unc.startswith('\\\\'))
303 self.assertTrue(response_trust.dc_address is not None)
304 self.assertTrue(response_trust.dc_address.startswith('\\\\'))
306 self.assertEqual(response_trust.domain_name.lower(),
307 self.trust_realm.lower())
309 def test_get_dc_with_site(self):
310 """Test the standard Ex version (not Ex2)
312 We assume that there is a Default-First-Site-Name site.
315 site = 'Default-First-Site-Name'
316 response = self._call_get_dc_name(domain=self.realm,
318 flags=netlogon.DS_RETURN_DNS_NAME)
320 self.assertTrue(response.dc_unc is not None)
321 self.assertTrue(response.dc_unc.startswith('\\\\'))
322 self.assertTrue(response.dc_address is not None)
323 self.assertTrue(response.dc_address.startswith('\\\\'))
325 self.assertEqual(response.domain_name.lower(),
328 self.assertEqual(site.lower(), response.dc_site_name.lower())
330 def test_get_dc_invalid_site(self):
331 """Test the standard Ex version (not Ex2)
333 We assume that there is no Invalid-First-Site-Name site.
335 if self.realm is None:
338 site = 'Invalid-First-Site-Name'
340 response = self._call_get_dc_name(domain=self.realm,
342 flags=netlogon.DS_RETURN_DNS_NAME,
344 self.fail("Failed to give the correct error for incorrect site")
345 except WERRORError as e:
347 if enum != werror.WERR_NO_SUCH_DOMAIN:
348 self.fail("Failed to detect an invalid site name")
350 def test_get_dc_invalid_site_ex2(self):
351 """Test the Ex2 version
353 We assume that there is no Invalid-First-Site-Name site.
356 site = 'Invalid-First-Site-Name'
358 response = self._call_get_dc_name(domain=self.realm,
360 flags=netlogon.DS_RETURN_DNS_NAME,
362 self.fail("Failed to give the correct error for incorrect site")
363 except WERRORError as e:
365 if enum != werror.WERR_NO_SUCH_DOMAIN:
366 self.fail("Failed to detect an invalid site name")
368 def test_get_dc_empty_string_site(self):
369 """Test the standard Ex version (not Ex2)
371 We assume that there is a Default-First-Site-Name site.
376 response = self._call_get_dc_name(domain=self.realm,
378 flags=netlogon.DS_RETURN_DNS_NAME)
379 except WERRORError as e:
380 self.fail("Unable to get empty string site result: " + str(e))
382 self.assertTrue(response.dc_unc is not None)
383 self.assertTrue(response.dc_unc.startswith('\\\\'))
384 self.assertTrue(response.dc_address is not None)
385 self.assertTrue(response.dc_address.startswith('\\\\'))
387 self.assertEqual(response.domain_name.lower(),
390 self.assertTrue(response.dc_site_name is not None)
391 self.assertNotEqual('', response.dc_site_name)
393 def test_get_dc_netbios(self):
394 """Supply a NETBIOS domain name."""
397 response = self._call_get_dc_name(domain=self.domain,
398 flags=netlogon.DS_RETURN_DNS_NAME,
400 except WERRORError as e:
401 self.fail("Failed to succeed over winbind: " + str(e))
403 self.assertTrue(response is not None)
404 self.assertEqual(response.domain_name.lower(),
407 def test_get_dc_with_site_netbios(self):
408 """Supply a NETBIOS domain name."""
410 site = 'Default-First-Site-Name'
412 response = self._call_get_dc_name(domain=self.domain,
414 flags=netlogon.DS_RETURN_DNS_NAME,
416 except WERRORError as e:
417 self.fail("Failed to succeed over winbind: " + str(e))
419 self.assertTrue(response is not None)
420 self.assertEqual(response.domain_name.lower(),
423 self.assertEqual(site.lower(), response.dc_site_name.lower())
425 def test_get_dc_with_domain_guid(self):
426 """Ensure that we do not reject requests supplied with a NULL GUID"""
429 response = self._call_get_dc_name(domain=self.realm,
430 domain_guid=null_guid,
431 flags=netlogon.DS_RETURN_DNS_NAME)
433 self.assertTrue(response.dc_unc is not None)
434 self.assertTrue(response.dc_unc.startswith('\\\\'))
435 self.assertTrue(response.dc_address is not None)
436 self.assertTrue(response.dc_address.startswith('\\\\'))
438 self.assertEqual(response.domain_name.lower(),
441 def test_get_dc_with_empty_string_domain(self):
442 """Ensure that empty domain resolve to the DC domain"""
443 response = self._call_get_dc_name(domain='',
444 flags=netlogon.DS_RETURN_DNS_NAME)
446 self.assertTrue(response.dc_unc is not None)
447 self.assertTrue(response.dc_unc.startswith('\\\\'))
448 self.assertTrue(response.dc_address is not None)
449 self.assertTrue(response.dc_address.startswith('\\\\'))
451 self.assertEqual(response.domain_name.lower(),
454 # TODO Thorough tests of domain GUID
456 # The domain GUID does not seem to be authoritative, and seems to be a
457 # fallback case for renamed domains.