1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
|
#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Copyright (C) Catalyst .Net 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/>.
#
import samba.tests
import ldb
import drs_base
from samba.dcerpc import drsuapi
class DrsCracknamesTestCase(drs_base.DrsBaseTestCase):
def setUp(self):
super(DrsCracknamesTestCase, self).setUp()
(self.drs, self.drs_handle) = self._ds_bind(self.dnsname_dc1)
self.ou = "ou=Cracknames_ou,%s" % self.ldb_dc1.get_default_basedn()
self.username = "Cracknames_user"
self.user = "cn=%s,%s" % (self.username, self.ou)
self.ldb_dc1.add({
"dn": self.ou,
"objectclass": "organizationalUnit"})
self.user_record = {
"dn": self.user,
"objectclass": "user",
"sAMAccountName" : self.username,
"userPrincipalName" : "test@test.com",
"servicePrincipalName" : "test/%s" % self.ldb_dc1.get_default_basedn(),
"displayName" : "test"}
self.ldb_dc1.add(self.user_record)
self.ldb_dc1.delete(self.user_record["dn"])
self.ldb_dc1.add(self.user_record)
# The formats specified in MS-DRSR 4.1.4.13; DS_NAME_FORMAT
# We don't support any of the ones specified in 4.1.4.1.2.
self.formats = {
drsuapi.DRSUAPI_DS_NAME_FORMAT_FQDN_1779,
drsuapi.DRSUAPI_DS_NAME_FORMAT_NT4_ACCOUNT,
drsuapi.DRSUAPI_DS_NAME_FORMAT_DISPLAY,
drsuapi.DRSUAPI_DS_NAME_FORMAT_GUID,
drsuapi.DRSUAPI_DS_NAME_FORMAT_CANONICAL,
drsuapi.DRSUAPI_DS_NAME_FORMAT_USER_PRINCIPAL,
drsuapi.DRSUAPI_DS_NAME_FORMAT_CANONICAL_EX,
drsuapi.DRSUAPI_DS_NAME_FORMAT_SERVICE_PRINCIPAL,
# We currently don't support this
#drsuapi.DRSUAPI_DS_NAME_FORMAT_SID_OR_SID_HISTORY,
# This format is not supported by Windows (or us)
#drsuapi.DRSUAPI_DS_NAME_FORMAT_DNS_DOMAIN,
}
def tearDown(self):
self.ldb_dc1.delete(self.user)
self.ldb_dc1.delete(self.ou)
super(DrsCracknamesTestCase, self).tearDown()
def test_Cracknames(self):
"""
Verifies that we can cracknames any of the standard formats
(DS_NAME_FORMAT) to a GUID, and that we can cracknames a
GUID to any of the standard formats.
GUID was chosen just so that we don't have to do an n^2 loop.
"""
(result, ctr) = self._do_cracknames(self.user,
drsuapi.DRSUAPI_DS_NAME_FORMAT_FQDN_1779,
drsuapi.DRSUAPI_DS_NAME_FORMAT_GUID)
self.assertEquals(ctr.count, 1)
self.assertEquals(ctr.array[0].status,
drsuapi.DRSUAPI_DS_NAME_STATUS_OK)
user_guid = ctr.array[0].result_name
for name_format in self.formats:
(result, ctr) = self._do_cracknames(user_guid,
drsuapi.DRSUAPI_DS_NAME_FORMAT_GUID,
name_format)
self.assertEquals(ctr.count, 1)
self.assertEquals(ctr.array[0].status,
drsuapi.DRSUAPI_DS_NAME_STATUS_OK,
"Expected 0, got %s, desired format is %s"
% (ctr.array[0].status, name_format))
(result, ctr) = self._do_cracknames(ctr.array[0].result_name,
name_format,
drsuapi.DRSUAPI_DS_NAME_FORMAT_GUID)
self.assertEquals(ctr.count, 1)
self.assertEquals(ctr.array[0].status,
drsuapi.DRSUAPI_DS_NAME_STATUS_OK,
"Expected 0, got %s, offered format is %s"
% (ctr.array[0].status, name_format))
def test_MultiValuedAttribute(self):
"""
Verifies that, if we try and cracknames with the desired output
being a multi-valued attribute, it returns
DRSUAPI_DS_NAME_STATUS_NOT_UNIQUE.
"""
username = "Cracknames_user_MVA"
user = "cn=%s,%s" % (username, self.ou)
user_record = {
"dn": user,
"objectclass": "user",
"sAMAccountName" : username,
"userPrincipalName" : "test2@test.com",
"servicePrincipalName" : ["test2/%s" % self.ldb_dc1.get_default_basedn(),
"test3/%s" % self.ldb_dc1.get_default_basedn()],
"displayName" : "test2"}
self.ldb_dc1.add(user_record)
(result, ctr) = self._do_cracknames(user,
drsuapi.DRSUAPI_DS_NAME_FORMAT_FQDN_1779,
drsuapi.DRSUAPI_DS_NAME_FORMAT_GUID)
self.assertEquals(ctr.count, 1)
self.assertEquals(ctr.array[0].status,
drsuapi.DRSUAPI_DS_NAME_STATUS_OK)
user_guid = ctr.array[0].result_name
(result, ctr) = self._do_cracknames(user_guid,
drsuapi.DRSUAPI_DS_NAME_FORMAT_GUID,
drsuapi.DRSUAPI_DS_NAME_FORMAT_SERVICE_PRINCIPAL)
self.assertEquals(ctr.count, 1)
self.assertEquals(ctr.array[0].status,
drsuapi.DRSUAPI_DS_NAME_STATUS_NOT_UNIQUE)
self.ldb_dc1.delete(user)
def test_NoSPNAttribute(self):
"""
Verifies that, if we try and cracknames with the desired output
being an SPN, it returns
DRSUAPI_DS_NAME_STATUS_NOT_UNIQUE.
"""
username = "Cracknames_no_SPN"
user = "cn=%s,%s" % (username, self.ou)
user_record = {
"dn": user,
"objectclass": "user",
"sAMAccountName" : username,
"userPrincipalName" : "test4@test.com",
"displayName" : "test4"}
self.ldb_dc1.add(user_record)
(result, ctr) = self._do_cracknames(user,
drsuapi.DRSUAPI_DS_NAME_FORMAT_FQDN_1779,
drsuapi.DRSUAPI_DS_NAME_FORMAT_GUID)
self.assertEquals(ctr.count, 1)
self.assertEquals(ctr.array[0].status,
drsuapi.DRSUAPI_DS_NAME_STATUS_OK)
user_guid = ctr.array[0].result_name
(result, ctr) = self._do_cracknames(user_guid,
drsuapi.DRSUAPI_DS_NAME_FORMAT_GUID,
drsuapi.DRSUAPI_DS_NAME_FORMAT_SERVICE_PRINCIPAL)
self.assertEquals(ctr.count, 1)
self.assertEquals(ctr.array[0].status,
drsuapi.DRSUAPI_DS_NAME_STATUS_NOT_FOUND)
self.ldb_dc1.delete(user)
def _do_cracknames(self, name, format_offered, format_desired):
req = drsuapi.DsNameRequest1()
names = drsuapi.DsNameString()
names.str = name
req.codepage = 1252 # German, but it doesn't really matter here
req.language = 1033
req.format_flags = 0
req.format_offered = format_offered
req.format_desired = format_desired
req.count = 1
req.names = [names]
(result, ctr) = self.drs.DsCrackNames(self.drs_handle, 1, req)
return (result, ctr)
|
