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
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
|
Tweaked context for src/tests/Makefile.in because t_salt.py hadn't yet been
added as a test in 1.12, and the rdreq and s2p helpers weren't there yet.
From 3e2c7cc557048faac3400ae41b0228bd37a82a4c Mon Sep 17 00:00:00 2001
From: Nalin Dahyabhai <nalin@dahyabhai.net>
Date: Fri, 7 Feb 2014 18:56:10 -0500
Subject: [PATCH 13/13] Add tests for MS-KKDCP client support
Exercise the MS-KKDCP client support using the test proxy server, for
AS, TGS, and kpasswd requests while also checking the certificate
verification and name checks.
ticket: 7929
---
src/tests/Makefile.in | 1 +
src/tests/t_proxy.py | 219 ++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 220 insertions(+)
create mode 100644 src/tests/t_proxy.py
diff --git a/src/tests/Makefile.in b/src/tests/Makefile.in
index 7347ed6..536f5cb 100644
--- a/src/tests/Makefile.in
+++ b/src/tests/Makefile.in
@@ -134,6 +134,7 @@ check-pytests:: t_init_creds t_localauth
$(RUNPYTEST) $(srcdir)/jsonwalker.py -d $(srcdir)/au_dict.json \
-i au.log
$(RUNPYTEST) $(srcdir)/t_bogus_kdc_req.py $(PYTESTFLAGS)
+ $(RUNPYTEST) $(srcdir)/t_proxy.py $(PYTESTFLAGS)
clean::
$(RM) gcred hist hrealm kdbtest plugorder responder
diff --git a/src/tests/t_proxy.py b/src/tests/t_proxy.py
new file mode 100644
index 0000000..e4e3d48
--- /dev/null
+++ b/src/tests/t_proxy.py
@@ -0,0 +1,219 @@
+#!/usr/bin/python
+from k5test import *
+
+# Skip this test if we're missing proxy functionality or parts of the proxy.
+if runenv.proxy_tls_impl == 'no':
+ success('Warning: not testing proxy support because feature ' +
+ 'was not enabled')
+ exit(0)
+try:
+ from paste import httpserver
+except:
+ success('Warning: not testing proxy support because python ' +
+ 'paste.httpserver module not found')
+ exit(0)
+try:
+ import kdcproxy
+except:
+ success('Warning: not testing proxy support because python ' +
+ 'kdcproxy module not found')
+ exit(0)
+
+# Construct a krb5.conf fragment configuring the client to use a local proxy
+# server.
+proxysubjectpem = os.path.join(srctop, 'tests', 'dejagnu', 'proxy-certs',
+ 'proxy-subject.pem')
+proxysanpem = os.path.join(srctop, 'tests', 'dejagnu', 'proxy-certs',
+ 'proxy-san.pem')
+proxyidealpem = os.path.join(srctop, 'tests', 'dejagnu', 'proxy-certs',
+ 'proxy-ideal.pem')
+proxywrongpem = os.path.join(srctop, 'tests', 'dejagnu', 'proxy-certs',
+ 'proxy-no-match.pem')
+proxybadpem = os.path.join(srctop, 'tests', 'dejagnu', 'proxy-certs',
+ 'proxy-badsig.pem')
+proxyca = os.path.join(srctop, 'tests', 'dejagnu', 'proxy-certs', 'ca.pem')
+proxyurl = 'https://localhost:$port5/KdcProxy'
+proxyurlupcase = 'https://LocalHost:$port5/KdcProxy'
+proxyurl4 = 'https://127.0.0.1:$port5/KdcProxy'
+proxyurl6 = 'https://[::1]:$port5/KdcProxy'
+
+unanchored_krb5_conf = {'realms': {'$realm': {
+ 'kdc': proxyurl,
+ 'kpasswd_server': proxyurl}}}
+anchored_name_krb5_conf = {'realms': {'$realm': {
+ 'kdc': proxyurl,
+ 'kpasswd_server': proxyurl,
+ 'http_anchors': 'FILE:%s' % proxyca}}}
+anchored_upcasename_krb5_conf = {'realms': {'$realm': {
+ 'kdc': proxyurlupcase,
+ 'kpasswd_server': proxyurlupcase,
+ 'http_anchors': 'FILE:%s' % proxyca}}}
+anchored_kadmin_krb5_conf = {'realms': {'$realm': {
+ 'kdc': proxyurl,
+ 'admin_server': proxyurl,
+ 'http_anchors': 'FILE:%s' % proxyca}}}
+anchored_ipv4_krb5_conf = {'realms': {'$realm': {
+ 'kdc': proxyurl4,
+ 'kpasswd_server': proxyurl4,
+ 'http_anchors': 'FILE:%s' % proxyca}}}
+kpasswd_input = (password('user') + '\n' + password('user') + '\n' +
+ password('user') + '\n')
+
+def start_proxy(realm, keycertpem):
+ proxy_conf_path = os.path.join(realm.testdir, 'kdcproxy.conf')
+ proxy_exec_path = os.path.join(srctop, 'util', 'paste-kdcproxy.py')
+ conf = open(proxy_conf_path, 'w')
+ conf.write('[%s]\n' % realm.realm)
+ conf.write('kerberos = kerberos://localhost:%d\n' % realm.portbase)
+ conf.write('kpasswd = kpasswd://localhost:%d\n' % (realm.portbase + 2))
+ conf.close()
+ realm.env['KDCPROXY_CONFIG'] = proxy_conf_path
+ cmd = [proxy_exec_path, str(realm.server_port()), keycertpem]
+ return realm.start_server(cmd, sentinel='proxy server ready')
+
+# Fail: untrusted issuer and hostname doesn't match.
+output("running pass 1: issuer not trusted and hostname doesn't match\n")
+realm = K5Realm(krb5_conf=unanchored_krb5_conf, get_creds=False,
+ create_host=False)
+proxy = start_proxy(realm, proxywrongpem)
+realm.kinit(realm.user_princ, password=password('user'), expected_code=1)
+stop_daemon(proxy)
+realm.stop()
+
+# Fail: untrusted issuer, host name matches subject.
+output("running pass 2: subject matches, issuer not trusted\n")
+realm = K5Realm(krb5_conf=unanchored_krb5_conf, get_creds=False,
+ create_host=False)
+proxy = start_proxy(realm, proxysubjectpem)
+realm.kinit(realm.user_princ, password=password('user'), expected_code=1)
+stop_daemon(proxy)
+realm.stop()
+
+# Fail: untrusted issuer, host name matches subjectAltName.
+output("running pass 3: subjectAltName matches, issuer not trusted\n")
+realm = K5Realm(krb5_conf=unanchored_krb5_conf, get_creds=False,
+ create_host=False)
+proxy = start_proxy(realm, proxysanpem)
+realm.kinit(realm.user_princ, password=password('user'), expected_code=1)
+stop_daemon(proxy)
+realm.stop()
+
+# Fail: untrusted issuer, certificate signature is bad.
+output("running pass 4: subject matches, issuer not trusted\n")
+realm = K5Realm(krb5_conf=unanchored_krb5_conf, get_creds=False,
+ create_host=False)
+proxy = start_proxy(realm, proxybadpem)
+realm.kinit(realm.user_princ, password=password('user'), expected_code=1)
+stop_daemon(proxy)
+realm.stop()
+
+# Fail: trusted issuer but hostname doesn't match.
+output("running pass 5: issuer trusted but hostname doesn't match\n")
+realm = K5Realm(krb5_conf=anchored_name_krb5_conf, get_creds=False,
+ create_host=False)
+proxy = start_proxy(realm, proxywrongpem)
+realm.kinit(realm.user_princ, password=password('user'), expected_code=1)
+stop_daemon(proxy)
+realm.stop()
+
+# Succeed: trusted issuer and host name matches subject.
+output("running pass 6: issuer trusted, subject matches\n")
+realm = K5Realm(krb5_conf=anchored_name_krb5_conf, start_kadmind=True,
+ get_creds=False)
+proxy = start_proxy(realm, proxysubjectpem)
+realm.kinit(realm.user_princ, password=password('user'))
+realm.run([kvno, realm.host_princ])
+realm.run([kpasswd, realm.user_princ], input=kpasswd_input)
+stop_daemon(proxy)
+realm.stop()
+
+# Succeed: trusted issuer and host name matches subjectAltName.
+output("running pass 7: issuer trusted, subjectAltName matches\n")
+realm = K5Realm(krb5_conf=anchored_name_krb5_conf, start_kadmind=True,
+ get_creds=False)
+proxy = start_proxy(realm, proxysanpem)
+realm.kinit(realm.user_princ, password=password('user'))
+realm.run([kvno, realm.host_princ])
+realm.run([kpasswd, realm.user_princ], input=kpasswd_input)
+stop_daemon(proxy)
+realm.stop()
+
+# Fail: certificate signature is bad.
+output("running pass 8: issuer trusted and subjectAltName matches, sig bad\n")
+realm = K5Realm(krb5_conf=anchored_name_krb5_conf,
+ get_creds=False,
+ create_host=False)
+proxy = start_proxy(realm, proxybadpem)
+realm.kinit(realm.user_princ, password=password('user'), expected_code=1)
+stop_daemon(proxy)
+realm.stop()
+
+# Fail: trusted issuer but IP doesn't match.
+output("running pass 9: issuer trusted but no name matches IP\n")
+realm = K5Realm(krb5_conf=anchored_ipv4_krb5_conf, get_creds=False,
+ create_host=False)
+proxy = start_proxy(realm, proxywrongpem)
+realm.kinit(realm.user_princ, password=password('user'), expected_code=1)
+stop_daemon(proxy)
+realm.stop()
+
+# Fail: trusted issuer, but subject does not match.
+output("running pass 10: issuer trusted, but subject does not match IP\n")
+realm = K5Realm(krb5_conf=anchored_ipv4_krb5_conf, get_creds=False,
+ create_host=False)
+proxy = start_proxy(realm, proxysubjectpem)
+realm.kinit(realm.user_princ, password=password('user'), expected_code=1)
+stop_daemon(proxy)
+realm.stop()
+
+# Succeed: trusted issuer and host name matches subjectAltName.
+output("running pass 11: issuer trusted, subjectAltName matches IP\n")
+realm = K5Realm(krb5_conf=anchored_ipv4_krb5_conf, start_kadmind=True,
+ get_creds=False)
+proxy = start_proxy(realm, proxysanpem)
+realm.kinit(realm.user_princ, password=password('user'))
+realm.run([kvno, realm.host_princ])
+realm.run([kpasswd, realm.user_princ], input=kpasswd_input)
+stop_daemon(proxy)
+realm.stop()
+
+# Fail: certificate signature is bad.
+output("running pass 12: issuer trusted, names don't match, signature bad\n")
+realm = K5Realm(krb5_conf=anchored_ipv4_krb5_conf, get_creds=False,
+ create_host=False)
+proxy = start_proxy(realm, proxybadpem)
+realm.kinit(realm.user_princ, password=password('user'), expected_code=1)
+stop_daemon(proxy)
+realm.stop()
+
+# Succeed: trusted issuer and host name matches subject, using kadmin
+# configuration to find kpasswdd.
+output("running pass 13: issuer trusted, subject matches\n")
+realm = K5Realm(krb5_conf=anchored_kadmin_krb5_conf, start_kadmind=True,
+ get_creds=False, create_host=False)
+proxy = start_proxy(realm, proxysubjectpem)
+realm.run([kpasswd, realm.user_princ], input=kpasswd_input)
+stop_daemon(proxy)
+realm.stop()
+
+# Succeed: trusted issuer and host name matches subjectAltName, using
+# kadmin configuration to find kpasswdd.
+output("running pass 14: issuer trusted, subjectAltName matches\n")
+realm = K5Realm(krb5_conf=anchored_kadmin_krb5_conf, start_kadmind=True,
+ get_creds=False, create_host=False)
+proxy = start_proxy(realm, proxysanpem)
+realm.run([kpasswd, realm.user_princ], input=kpasswd_input)
+stop_daemon(proxy)
+realm.stop()
+
+# Succeed: trusted issuer and host name matches subjectAltName (give or take
+# case).
+output("running pass 15: issuer trusted, subjectAltName case-insensitive\n")
+realm = K5Realm(krb5_conf=anchored_upcasename_krb5_conf, start_kadmind=True,
+ get_creds=False, create_host=False)
+proxy = start_proxy(realm, proxysanpem)
+realm.run([kpasswd, realm.user_princ], input=kpasswd_input)
+stop_daemon(proxy)
+realm.stop()
+
+success('MS-KKDCP proxy')
--
2.1.0
|
