1 /*
2 * Copyright (C) 2016 Tim Kosse
3 *
4 * Author: Tim Kosse
5 *
6 * This file is part of GnuTLS.
7 *
8 * GnuTLS is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 3 of the License, or
11 * (at your option) any later version.
12 *
13 * GnuTLS is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with GnuTLS; if not, write to the Free Software Foundation,
20 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
21 */
22
23 #ifdef HAVE_CONFIG_H
24 #include <config.h>
25 #endif
26
27 #include <stdio.h>
28 #include <stdlib.h>
29
30 #if defined(_WIN32)
31
main()32 int main()
33 {
34 exit(77);
35 }
36
37 #else
38
39 #include <string.h>
40 #include <sys/types.h>
41 #include <netinet/in.h>
42 #include <sys/socket.h>
43 #include <sys/wait.h>
44 #include <arpa/inet.h>
45 #include <unistd.h>
46 #include <time.h>
47 #include <gnutls/gnutls.h>
48 #include <gnutls/dtls.h>
49 #include <signal.h>
50
51 #include "utils.h"
52
53 /* This program tests that handshakes fail if the server does not include the
54 * requested certificate status with the server certificate having
55 * TLS feature 5 (status request).
56 *
57 * See RFC 7633 section 4.2.3.1 paragraph 1
58 *
59 * Remark: Doesn't the MUST in section 4.3.3 para. 1 overrule the SHOULD of 4.2.3.1 para. 1?
60 */
61
mytime(time_t * t)62 static time_t mytime(time_t * t)
63 {
64 time_t then = 1464610242;
65 if (t)
66 *t = then;
67
68 return then;
69 }
70
server_log_func(int level,const char * str)71 static void server_log_func(int level, const char *str)
72 {
73 fprintf(stderr, "server|<%d>| %s", level, str);
74 }
75
client_log_func(int level,const char * str)76 static void client_log_func(int level, const char *str)
77 {
78 fprintf(stderr, "client|<%d>| %s", level, str);
79 }
80
81 static unsigned char server_cert_pem[] =
82 "-----BEGIN CERTIFICATE-----\n"
83 "MIICBzCCAXCgAwIBAgIMVpjt8TL5Io/frpvkMA0GCSqGSIb3DQEBCwUAMCIxIDAe\n"
84 "BgNVBAMTF0dudVRMUyB0ZXN0IGNlcnRpZmljYXRlMB4XDTE2MDExNTEzMDI0MVoX\n"
85 "DTMyMDYxOTEzMDI0MVowIjEgMB4GA1UEAxMXR251VExTIHRlc3QgY2VydGlmaWNh\n"
86 "dGUwgZ8wDQYJKoZIhvcNAQEBBQADgY0AMIGJAoGBANe6XK+jDPAuqSdWqlOOqOt/\n"
87 "gXVMa5i+Suq3HvhLw2rE2g0AuOpMEx82FpPecu/GpF6ybrbKCohVdZCW7aZXvAw7\n"
88 "dg2XHr3p7H/Tqez7hWSga6BIznd+c5wxE/89yK6lYG7Ztoxamm+2vp9qvafwoDMn\n"
89 "9bcdkuWWnHNS1p/WyI6xAgMBAAGjQjBAMBEGCCsGAQUFBwEYBAUwAwIBBTAMBgNV\n"
90 "HRMBAf8EAjAAMB0GA1UdDgQWBBRTSzvcXshETAIgvzlIb0z+zSVSEDANBgkqhkiG\n"
91 "9w0BAQsFAAOBgQB+VcJuLPL2PMog0HZ8RRbqVvLU5d209ROg3s1oXUBFW8+AV+71\n"
92 "CsHg9Xx7vqKVwyKGI9ghds1B44lNPxGH2Sk1v2czjKbzwujo9+kLnDS6i0jyrDdn\n"
93 "um4ivpkwmlUFSQVXvENLwe9gTlIgN4+0I9WLcMTCDtHWkcxMRwCm2BMsXw==\n"
94 "-----END CERTIFICATE-----\n";
95
96
97 const gnutls_datum_t server_cert = { server_cert_pem,
98 sizeof(server_cert_pem)
99 };
100
101 static unsigned char server_key_pem[] =
102 "-----BEGIN RSA PRIVATE KEY-----\n"
103 "MIICXAIBAAKBgQDXulyvowzwLqknVqpTjqjrf4F1TGuYvkrqtx74S8NqxNoNALjq\n"
104 "TBMfNhaT3nLvxqResm62ygqIVXWQlu2mV7wMO3YNlx696ex/06ns+4VkoGugSM53\n"
105 "fnOcMRP/PciupWBu2baMWppvtr6far2n8KAzJ/W3HZLllpxzUtaf1siOsQIDAQAB\n"
106 "AoGAYAFyKkAYC/PYF8e7+X+tsVCHXppp8AoP8TEZuUqOZz/AArVlle/ROrypg5kl\n"
107 "8YunrvUdzH9R/KZ7saNZlAPLjZyFG9beL/am6Ai7q7Ma5HMqjGU8kTEGwD7K+lbG\n"
108 "iomokKMOl+kkbY/2sI5Czmbm+/PqLXOjtVc5RAsdbgvtmvkCQQDdV5QuU8jap8Hs\n"
109 "Eodv/tLJ2z4+SKCV2k/7FXSKWe0vlrq0cl2qZfoTUYRnKRBcWxc9o92DxK44wgPi\n"
110 "oMQS+O7fAkEA+YG+K9e60sj1K4NYbMPAbYILbZxORDecvP8lcphvwkOVUqbmxOGh\n"
111 "XRmTZUuhBrJhJKKf6u7gf3KWlPl6ShKEbwJASC118cF6nurTjuLf7YKARDjNTEws\n"
112 "qZEeQbdWYINAmCMj0RH2P0mvybrsXSOD5UoDAyO7aWuqkHGcCLv6FGG+qwJAOVqq\n"
113 "tXdUucl6GjOKKw5geIvRRrQMhb/m5scb+5iw8A4LEEHPgGiBaF5NtJZLALgWfo5n\n"
114 "hmC8+G8F0F78znQtPwJBANexu+Tg5KfOnzSILJMo3oXiXhf5PqXIDmbN0BKyCKAQ\n"
115 "LfkcEcUbVfmDaHpvzwY9VEaoMOKVLitETXdNSxVpvWM=\n"
116 "-----END RSA PRIVATE KEY-----\n";
117
118 const gnutls_datum_t server_key = { server_key_pem,
119 sizeof(server_key_pem)
120 };
121
122 static int received = 0;
123
handshake_callback(gnutls_session_t session,unsigned int htype,unsigned post,unsigned int incoming,const gnutls_datum_t * msg)124 static int handshake_callback(gnutls_session_t session, unsigned int htype,
125 unsigned post, unsigned int incoming, const gnutls_datum_t *msg)
126 {
127 fail("received status request\n");
128 received = 1;
129 return 0;
130 }
131
132 #define MAX_BUF 1024
133
client(int fd,const char * prio)134 static void client(int fd, const char *prio)
135 {
136 int ret;
137 unsigned int status;
138 gnutls_certificate_credentials_t x509_cred;
139 gnutls_session_t session;
140 /* Need to enable anonymous KX specifically. */
141
142 gnutls_global_set_time_function(mytime);
143 global_init();
144
145 if (debug) {
146 gnutls_global_set_log_function(client_log_func);
147 gnutls_global_set_log_level(7);
148 }
149
150 gnutls_certificate_allocate_credentials(&x509_cred);
151
152 /* Initialize TLS session
153 */
154 gnutls_init(&session, GNUTLS_CLIENT);
155
156 /* Use default priorities */
157 gnutls_priority_set_direct(session, prio, NULL);
158
159 gnutls_handshake_set_hook_function(session, GNUTLS_HANDSHAKE_CERTIFICATE_STATUS,
160 GNUTLS_HOOK_POST,
161 handshake_callback);
162
163 /* put the anonymous credentials to the current session
164 */
165 gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE, x509_cred);
166
167 gnutls_transport_set_int(session, fd);
168
169 /* Perform the TLS handshake
170 */
171 do {
172 ret = gnutls_handshake(session);
173 }
174 while (ret < 0 && gnutls_error_is_fatal(ret) == 0);
175
176 if (ret == GNUTLS_E_UNSUPPORTED_SIGNATURE_ALGORITHM) {
177 /* success */
178 goto end;
179 }
180
181 if (ret < 0) {
182 fail("client: Handshake failed: %s\n", gnutls_strerror(ret));
183 } else {
184 if (debug)
185 success("client: Handshake was completed\n");
186 }
187
188 if (debug)
189 success("client: TLS version is: %s\n",
190 gnutls_protocol_get_name
191 (gnutls_protocol_get_version(session)));
192
193 if (received == 1) {
194 fail("client: received certificate status when we shouldn't.\n");
195 }
196
197 ret = gnutls_certificate_verify_peers2(session, &status);
198 if (ret != GNUTLS_E_SUCCESS) {
199 fail("client: Peer certificate validation failed: %s\n", gnutls_strerror(ret));
200 }
201 else {
202 if (status & GNUTLS_CERT_MISSING_OCSP_STATUS) {
203 success("client: Validation failed with GNUTLS_CERT_MISSING_OCSP_STATUS\n");
204 }
205 else {
206 fail("client: Validation status does not include GNUTLS_CERT_MISSING_OCSP_STATUS. Status is %d\n", status);
207 }
208 }
209
210 gnutls_bye(session, GNUTLS_SHUT_WR);
211
212 end:
213
214 close(fd);
215
216 gnutls_deinit(session);
217
218 gnutls_certificate_free_credentials(x509_cred);
219
220 gnutls_global_deinit();
221 }
222
223
server(int fd,const char * prio)224 static void server(int fd, const char *prio)
225 {
226 int ret;
227 char buffer[MAX_BUF + 1];
228 gnutls_session_t session;
229 gnutls_certificate_credentials_t x509_cred;
230
231 /* this must be called once in the program
232 */
233 global_init();
234 memset(buffer, 0, sizeof(buffer));
235
236 if (debug) {
237 gnutls_global_set_log_function(server_log_func);
238 gnutls_global_set_log_level(4711);
239 }
240
241 gnutls_certificate_allocate_credentials(&x509_cred);
242 gnutls_certificate_set_x509_key_mem(x509_cred, &server_cert,
243 &server_key,
244 GNUTLS_X509_FMT_PEM);
245
246 gnutls_init(&session, GNUTLS_SERVER);
247
248 /* avoid calling all the priority functions, since the defaults
249 * are adequate.
250 */
251 gnutls_priority_set_direct(session, prio, NULL);
252
253 gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE, x509_cred);
254
255 gnutls_transport_set_int(session, fd);
256
257 do {
258 ret = gnutls_handshake(session);
259 } while (ret < 0 && gnutls_error_is_fatal(ret) == 0);
260 if (ret < 0) {
261 /* failure is expected here */
262 goto end;
263 }
264
265 if (debug) {
266 success("server: Handshake was completed\n");
267 }
268
269 if (debug)
270 success("server: TLS version is: %s\n",
271 gnutls_protocol_get_name
272 (gnutls_protocol_get_version(session)));
273
274 /* do not wait for the peer to close the connection.
275 */
276 gnutls_bye(session, GNUTLS_SHUT_WR);
277
278 end:
279 close(fd);
280 gnutls_deinit(session);
281
282 gnutls_certificate_free_credentials(x509_cred);
283
284 gnutls_global_deinit();
285
286 if (debug)
287 success("server: finished\n");
288 }
289
ch_handler(int sig)290 static void ch_handler(int sig)
291 {
292 return;
293 }
294
start(const char * name,const char * prio)295 static void start(const char *name, const char *prio)
296 {
297 pid_t child;
298 int fd[2];
299 int ret, status = 0;
300
301 signal(SIGCHLD, ch_handler);
302 signal(SIGPIPE, SIG_IGN);
303
304 received = 0;
305 success("running: %s\n", name);
306
307 ret = socketpair(AF_UNIX, SOCK_STREAM, 0, fd);
308 if (ret < 0) {
309 perror("socketpair");
310 exit(1);
311 }
312
313 child = fork();
314 if (child < 0) {
315 perror("fork");
316 fail("fork");
317 exit(1);
318 }
319
320 if (child) {
321 /* parent */
322 close(fd[1]);
323 client(fd[0], prio);
324 waitpid(child, &status, 0);
325 check_wait_status(status);
326 } else {
327 close(fd[0]);
328 server(fd[1], prio);
329 exit(0);
330 }
331
332 return;
333 }
334
doit(void)335 void doit(void)
336 {
337 start("tls1.2", "NORMAL:-VERS-TLS-ALL:+VERS-TLS1.2");
338 start("tls1.3", "NORMAL:-VERS-TLS-ALL:+VERS-TLS1.3");
339 start("default", "NORMAL");
340 }
341
342 #endif /* _WIN32 */
343