cirrus: fix off-by-one in cirrus_bitblt_rop_bkwd_transp_*_16
[qemu.git] / tests / test-io-channel-tls.c
1 /*
2 * QEMU I/O channel TLS test
3 *
4 * Copyright (C) 2015 Red Hat, Inc.
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library. If not, see
18 * <http://www.gnu.org/licenses/>.
19 *
20 * Author: Daniel P. Berrange <berrange@redhat.com>
21 */
22
23
24 #include "qemu/osdep.h"
25
26 #include "crypto-tls-x509-helpers.h"
27 #include "io/channel-tls.h"
28 #include "io/channel-socket.h"
29 #include "io-channel-helpers.h"
30 #include "crypto/init.h"
31 #include "crypto/tlscredsx509.h"
32 #include "qemu/acl.h"
33 #include "qom/object_interfaces.h"
34
35 #ifdef QCRYPTO_HAVE_TLS_TEST_SUPPORT
36
37 #define WORKDIR "tests/test-io-channel-tls-work/"
38 #define KEYFILE WORKDIR "key-ctx.pem"
39
40 struct QIOChannelTLSTestData {
41 const char *servercacrt;
42 const char *clientcacrt;
43 const char *servercrt;
44 const char *clientcrt;
45 bool expectServerFail;
46 bool expectClientFail;
47 const char *hostname;
48 const char *const *wildcards;
49 };
50
51 struct QIOChannelTLSHandshakeData {
52 bool finished;
53 bool failed;
54 };
55
56 static void test_tls_handshake_done(QIOTask *task,
57 gpointer opaque)
58 {
59 struct QIOChannelTLSHandshakeData *data = opaque;
60
61 data->finished = true;
62 data->failed = qio_task_propagate_error(task, NULL);
63 }
64
65
66 static QCryptoTLSCreds *test_tls_creds_create(QCryptoTLSCredsEndpoint endpoint,
67 const char *certdir,
68 Error **errp)
69 {
70 Object *parent = object_get_objects_root();
71 Object *creds = object_new_with_props(
72 TYPE_QCRYPTO_TLS_CREDS_X509,
73 parent,
74 (endpoint == QCRYPTO_TLS_CREDS_ENDPOINT_SERVER ?
75 "testtlscredsserver" : "testtlscredsclient"),
76 errp,
77 "endpoint", (endpoint == QCRYPTO_TLS_CREDS_ENDPOINT_SERVER ?
78 "server" : "client"),
79 "dir", certdir,
80 "verify-peer", "yes",
81 /* We skip initial sanity checks here because we
82 * want to make sure that problems are being
83 * detected at the TLS session validation stage,
84 * and the test-crypto-tlscreds test already
85 * validate the sanity check code.
86 */
87 "sanity-check", "no",
88 NULL
89 );
90
91 if (*errp) {
92 return NULL;
93 }
94 return QCRYPTO_TLS_CREDS(creds);
95 }
96
97
98 /*
99 * This tests validation checking of peer certificates
100 *
101 * This is replicating the checks that are done for an
102 * active TLS session after handshake completes. To
103 * simulate that we create our TLS contexts, skipping
104 * sanity checks. When then get a socketpair, and
105 * initiate a TLS session across them. Finally do
106 * do actual cert validation tests
107 */
108 static void test_io_channel_tls(const void *opaque)
109 {
110 struct QIOChannelTLSTestData *data =
111 (struct QIOChannelTLSTestData *)opaque;
112 QCryptoTLSCreds *clientCreds;
113 QCryptoTLSCreds *serverCreds;
114 QIOChannelTLS *clientChanTLS;
115 QIOChannelTLS *serverChanTLS;
116 QIOChannelSocket *clientChanSock;
117 QIOChannelSocket *serverChanSock;
118 qemu_acl *acl;
119 const char * const *wildcards;
120 int channel[2];
121 struct QIOChannelTLSHandshakeData clientHandshake = { false, false };
122 struct QIOChannelTLSHandshakeData serverHandshake = { false, false };
123 Error *err = NULL;
124 QIOChannelTest *test;
125 GMainContext *mainloop;
126
127 /* We'll use this for our fake client-server connection */
128 g_assert(socketpair(AF_UNIX, SOCK_STREAM, 0, channel) == 0);
129
130 #define CLIENT_CERT_DIR "tests/test-crypto-tlssession-client/"
131 #define SERVER_CERT_DIR "tests/test-crypto-tlssession-server/"
132 mkdir(CLIENT_CERT_DIR, 0700);
133 mkdir(SERVER_CERT_DIR, 0700);
134
135 unlink(SERVER_CERT_DIR QCRYPTO_TLS_CREDS_X509_CA_CERT);
136 unlink(SERVER_CERT_DIR QCRYPTO_TLS_CREDS_X509_SERVER_CERT);
137 unlink(SERVER_CERT_DIR QCRYPTO_TLS_CREDS_X509_SERVER_KEY);
138
139 unlink(CLIENT_CERT_DIR QCRYPTO_TLS_CREDS_X509_CA_CERT);
140 unlink(CLIENT_CERT_DIR QCRYPTO_TLS_CREDS_X509_CLIENT_CERT);
141 unlink(CLIENT_CERT_DIR QCRYPTO_TLS_CREDS_X509_CLIENT_KEY);
142
143 g_assert(link(data->servercacrt,
144 SERVER_CERT_DIR QCRYPTO_TLS_CREDS_X509_CA_CERT) == 0);
145 g_assert(link(data->servercrt,
146 SERVER_CERT_DIR QCRYPTO_TLS_CREDS_X509_SERVER_CERT) == 0);
147 g_assert(link(KEYFILE,
148 SERVER_CERT_DIR QCRYPTO_TLS_CREDS_X509_SERVER_KEY) == 0);
149
150 g_assert(link(data->clientcacrt,
151 CLIENT_CERT_DIR QCRYPTO_TLS_CREDS_X509_CA_CERT) == 0);
152 g_assert(link(data->clientcrt,
153 CLIENT_CERT_DIR QCRYPTO_TLS_CREDS_X509_CLIENT_CERT) == 0);
154 g_assert(link(KEYFILE,
155 CLIENT_CERT_DIR QCRYPTO_TLS_CREDS_X509_CLIENT_KEY) == 0);
156
157 clientCreds = test_tls_creds_create(
158 QCRYPTO_TLS_CREDS_ENDPOINT_CLIENT,
159 CLIENT_CERT_DIR,
160 &err);
161 g_assert(clientCreds != NULL);
162
163 serverCreds = test_tls_creds_create(
164 QCRYPTO_TLS_CREDS_ENDPOINT_SERVER,
165 SERVER_CERT_DIR,
166 &err);
167 g_assert(serverCreds != NULL);
168
169 acl = qemu_acl_init("channeltlsacl");
170 qemu_acl_reset(acl);
171 wildcards = data->wildcards;
172 while (wildcards && *wildcards) {
173 qemu_acl_append(acl, 0, *wildcards);
174 wildcards++;
175 }
176
177 clientChanSock = qio_channel_socket_new_fd(
178 channel[0], &err);
179 g_assert(clientChanSock != NULL);
180 serverChanSock = qio_channel_socket_new_fd(
181 channel[1], &err);
182 g_assert(serverChanSock != NULL);
183
184 /*
185 * We have an evil loop to do the handshake in a single
186 * thread, so we need these non-blocking to avoid deadlock
187 * of ourselves
188 */
189 qio_channel_set_blocking(QIO_CHANNEL(clientChanSock), false, NULL);
190 qio_channel_set_blocking(QIO_CHANNEL(serverChanSock), false, NULL);
191
192 /* Now the real part of the test, setup the sessions */
193 clientChanTLS = qio_channel_tls_new_client(
194 QIO_CHANNEL(clientChanSock), clientCreds,
195 data->hostname, &err);
196 g_assert(clientChanTLS != NULL);
197
198 serverChanTLS = qio_channel_tls_new_server(
199 QIO_CHANNEL(serverChanSock), serverCreds,
200 "channeltlsacl", &err);
201 g_assert(serverChanTLS != NULL);
202
203 qio_channel_tls_handshake(clientChanTLS,
204 test_tls_handshake_done,
205 &clientHandshake,
206 NULL);
207 qio_channel_tls_handshake(serverChanTLS,
208 test_tls_handshake_done,
209 &serverHandshake,
210 NULL);
211
212 /*
213 * Finally we loop around & around doing handshake on each
214 * session until we get an error, or the handshake completes.
215 * This relies on the socketpair being nonblocking to avoid
216 * deadlocking ourselves upon handshake
217 */
218 mainloop = g_main_context_default();
219 do {
220 g_main_context_iteration(mainloop, TRUE);
221 } while (!clientHandshake.finished &&
222 !serverHandshake.finished);
223
224 g_assert(clientHandshake.failed == data->expectClientFail);
225 g_assert(serverHandshake.failed == data->expectServerFail);
226
227 test = qio_channel_test_new();
228 qio_channel_test_run_threads(test, false,
229 QIO_CHANNEL(clientChanTLS),
230 QIO_CHANNEL(serverChanTLS));
231 qio_channel_test_validate(test);
232
233 test = qio_channel_test_new();
234 qio_channel_test_run_threads(test, true,
235 QIO_CHANNEL(clientChanTLS),
236 QIO_CHANNEL(serverChanTLS));
237 qio_channel_test_validate(test);
238
239 unlink(SERVER_CERT_DIR QCRYPTO_TLS_CREDS_X509_CA_CERT);
240 unlink(SERVER_CERT_DIR QCRYPTO_TLS_CREDS_X509_SERVER_CERT);
241 unlink(SERVER_CERT_DIR QCRYPTO_TLS_CREDS_X509_SERVER_KEY);
242
243 unlink(CLIENT_CERT_DIR QCRYPTO_TLS_CREDS_X509_CA_CERT);
244 unlink(CLIENT_CERT_DIR QCRYPTO_TLS_CREDS_X509_CLIENT_CERT);
245 unlink(CLIENT_CERT_DIR QCRYPTO_TLS_CREDS_X509_CLIENT_KEY);
246
247 rmdir(CLIENT_CERT_DIR);
248 rmdir(SERVER_CERT_DIR);
249
250 object_unparent(OBJECT(serverCreds));
251 object_unparent(OBJECT(clientCreds));
252
253 object_unref(OBJECT(serverChanTLS));
254 object_unref(OBJECT(clientChanTLS));
255
256 object_unref(OBJECT(serverChanSock));
257 object_unref(OBJECT(clientChanSock));
258
259 close(channel[0]);
260 close(channel[1]);
261 }
262
263
264 int main(int argc, char **argv)
265 {
266 int ret;
267
268 g_assert(qcrypto_init(NULL) == 0);
269
270 module_call_init(MODULE_INIT_QOM);
271 g_test_init(&argc, &argv, NULL);
272 setenv("GNUTLS_FORCE_FIPS_MODE", "2", 1);
273
274 mkdir(WORKDIR, 0700);
275
276 test_tls_init(KEYFILE);
277
278 # define TEST_CHANNEL(name, caCrt, \
279 serverCrt, clientCrt, \
280 expectServerFail, expectClientFail, \
281 hostname, wildcards) \
282 struct QIOChannelTLSTestData name = { \
283 caCrt, caCrt, serverCrt, clientCrt, \
284 expectServerFail, expectClientFail, \
285 hostname, wildcards \
286 }; \
287 g_test_add_data_func("/qio/channel/tls/" # name, \
288 &name, test_io_channel_tls);
289
290 /* A perfect CA, perfect client & perfect server */
291
292 /* Basic:CA:critical */
293 TLS_ROOT_REQ(cacertreq,
294 "UK", "qemu CA", NULL, NULL, NULL, NULL,
295 true, true, true,
296 true, true, GNUTLS_KEY_KEY_CERT_SIGN,
297 false, false, NULL, NULL,
298 0, 0);
299 TLS_CERT_REQ(servercertreq, cacertreq,
300 "UK", "qemu.org", NULL, NULL, NULL, NULL,
301 true, true, false,
302 true, true,
303 GNUTLS_KEY_DIGITAL_SIGNATURE | GNUTLS_KEY_KEY_ENCIPHERMENT,
304 true, true, GNUTLS_KP_TLS_WWW_SERVER, NULL,
305 0, 0);
306 TLS_CERT_REQ(clientcertreq, cacertreq,
307 "UK", "qemu", NULL, NULL, NULL, NULL,
308 true, true, false,
309 true, true,
310 GNUTLS_KEY_DIGITAL_SIGNATURE | GNUTLS_KEY_KEY_ENCIPHERMENT,
311 true, true, GNUTLS_KP_TLS_WWW_CLIENT, NULL,
312 0, 0);
313
314 const char *const wildcards[] = {
315 "C=UK,CN=qemu*",
316 NULL,
317 };
318 TEST_CHANNEL(basic, cacertreq.filename, servercertreq.filename,
319 clientcertreq.filename, false, false,
320 "qemu.org", wildcards);
321
322 ret = g_test_run();
323
324 test_tls_discard_cert(&clientcertreq);
325 test_tls_discard_cert(&servercertreq);
326 test_tls_discard_cert(&cacertreq);
327
328 test_tls_cleanup(KEYFILE);
329 rmdir(WORKDIR);
330
331 return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
332 }
333
334 #else /* ! QCRYPTO_HAVE_TLS_TEST_SUPPORT */
335
336 int
337 main(void)
338 {
339 return EXIT_SUCCESS;
340 }
341
342 #endif /* ! QCRYPTO_HAVE_TLS_TEST_SUPPORT */