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
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
|
/*
* Copyright (C) 2008-2014 Free Software Foundation, Inc.
*
* Author: Simon Josefsson, Nikos Mavrogiannopoulos
*
* This file is part of GnuTLS.
*
* GnuTLS 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.
*
* GnuTLS 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 Lesser General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <gnutls/gnutls.h>
#include <gnutls/x509.h>
#include "utils.h"
#include "test-chains.h"
#define DEFAULT_THEN 1256803113
static time_t then = DEFAULT_THEN;
/* GnuTLS internally calls time() to find out the current time when
verifying certificates. To avoid a time bomb, we hard code the
current time. This should work fine on systems where the library
call to time is resolved at run-time. */
static time_t mytime(time_t * t)
{
if (t)
*t = then;
return then;
}
static void tls_log_func(int level, const char *str)
{
fprintf(stderr, "|<%d>| %s", level, str);
}
void doit(void)
{
int exit_val = 0;
size_t i;
int ret;
gnutls_x509_trust_list_t tl;
unsigned int verify_status, verify_status1;
gnutls_x509_crt_t certs[MAX_CHAIN];
gnutls_x509_crt_t ca;
gnutls_datum_t tmp;
size_t j;
gnutls_typed_vdata_st vdata[2];
/* The overloading of time() seems to work in linux (ELF?)
* systems only. Disable it on windows.
*/
#ifdef _WIN32
exit(77);
#endif
ret = global_init();
if (ret != 0) {
fail("%d: %s\n", ret, gnutls_strerror(ret));
exit(1);
}
gnutls_global_set_time_function(mytime);
gnutls_global_set_log_function(tls_log_func);
if (debug)
gnutls_global_set_log_level(4711);
for (i = 0; chains[i].chain; i++) {
printf("[%d]: Chain '%s'...\n", (int)i, chains[i].name);
if (chains[i].notfips && gnutls_fips140_mode_enabled()) {
if (debug)
printf("Skipping in FIPS mode...\n");
continue;
}
for (j = 0; chains[i].chain[j]; j++) {
if (debug > 2)
printf("\tAdding certificate %d...", (int)j);
ret = gnutls_x509_crt_init(&certs[j]);
if (ret < 0) {
fprintf(stderr,
"gnutls_x509_crt_init[%d,%d]: %s\n",
(int)i, (int)j, gnutls_strerror(ret));
exit(1);
}
tmp.data = (unsigned char *)chains[i].chain[j];
tmp.size = strlen(chains[i].chain[j]);
ret =
gnutls_x509_crt_import(certs[j], &tmp,
GNUTLS_X509_FMT_PEM);
if (debug > 2)
printf("done\n");
if (ret < 0) {
fprintf(stderr,
"gnutls_x509_crt_import[%s,%d]: %s\n",
chains[i].name, (int)j,
gnutls_strerror(ret));
exit(1);
}
gnutls_x509_crt_print(certs[j],
GNUTLS_CRT_PRINT_ONELINE, &tmp);
if (debug)
printf("\tCertificate %d: %.*s\n", (int)j,
tmp.size, tmp.data);
gnutls_free(tmp.data);
}
if (debug > 2)
printf("\tAdding CA certificate...");
ret = gnutls_x509_crt_init(&ca);
if (ret < 0) {
fprintf(stderr, "gnutls_x509_crt_init: %s\n",
gnutls_strerror(ret));
exit(1);
}
tmp.data = (unsigned char *)*chains[i].ca;
tmp.size = strlen(*chains[i].ca);
ret = gnutls_x509_crt_import(ca, &tmp, GNUTLS_X509_FMT_PEM);
if (ret < 0) {
fprintf(stderr, "gnutls_x509_crt_import: %s\n",
gnutls_strerror(ret));
exit(1);
}
if (debug > 2)
printf("done\n");
gnutls_x509_crt_print(ca, GNUTLS_CRT_PRINT_ONELINE, &tmp);
if (debug)
printf("\tCA Certificate: %.*s\n", tmp.size, tmp.data);
gnutls_free(tmp.data);
if (debug)
printf("\tVerifying...");
if (chains[i].expected_time != 0)
then = chains[i].expected_time;
else
then = DEFAULT_THEN;
if (chains[i].purpose == NULL) {
ret = gnutls_x509_crt_list_verify(certs, j,
&ca, 1, NULL, 0,
chains
[i].verify_flags,
&verify_status);
if (ret < 0) {
fprintf(stderr,
"gnutls_x509_crt_list_verify[%d,%d]: %s\n",
(int)i, (int)j, gnutls_strerror(ret));
exit(1);
}
if (verify_status != chains[i].expected_verify_result) {
gnutls_datum_t out1, out2;
gnutls_certificate_verification_status_print
(verify_status, GNUTLS_CRT_X509, &out1, 0);
gnutls_certificate_verification_status_print
(chains[i].expected_verify_result,
GNUTLS_CRT_X509, &out2, 0);
fail("chain[%s]:\nverify_status: %d: %s\nexpected: %d: %s\n", chains[i].name, verify_status, out1.data, chains[i].expected_verify_result, out2.data);
gnutls_free(out1.data);
gnutls_free(out2.data);
#if 0
j = 0;
do {
fprintf(stderr, "%s\n",
chains[i].chain[j]);
}
while (chains[i].chain[++j] != NULL);
#endif
if (!debug)
exit(1);
} else if (debug)
printf("done\n");
}
gnutls_x509_trust_list_init(&tl, 0);
ret = gnutls_x509_trust_list_add_cas(tl, &ca, 1, 0);
if (ret != 1) {
fail("gnutls_x509_trust_list_add_trust_mem\n");
exit(1);
}
/* make sure that the two functions don't diverge */
if (chains[i].purpose != NULL) {
vdata[0].type = GNUTLS_DT_KEY_PURPOSE_OID;
vdata[0].data = (void *)chains[i].purpose;
ret =
gnutls_x509_trust_list_verify_crt2(tl, certs, j,
vdata, 1,
chains
[i].verify_flags,
&verify_status1,
NULL);
} else {
ret =
gnutls_x509_trust_list_verify_crt(tl, certs, j,
chains
[i].verify_flags,
&verify_status1,
NULL);
}
if (ret < 0) {
fprintf(stderr,
"gnutls_x509_crt_list_verify[%d,%d]: %s\n",
(int)i, (int)j, gnutls_strerror(ret));
exit(1);
}
if (chains[i].purpose == NULL) {
if (verify_status != verify_status1) {
gnutls_datum_t out1, out2;
gnutls_certificate_verification_status_print
(verify_status, GNUTLS_CRT_X509, &out1, 0);
gnutls_certificate_verification_status_print
(verify_status1, GNUTLS_CRT_X509, &out2, 0);
fail("chain[%s]:\nverify_status: %d: %s\ntrust list vstatus: %d: %s\n", chains[i].name, verify_status, out1.data, verify_status1, out2.data);
gnutls_free(out1.data);
gnutls_free(out2.data);
}
} else {
if (verify_status1 != chains[i].expected_verify_result) {
gnutls_datum_t out1, out2;
gnutls_certificate_verification_status_print
(verify_status1, GNUTLS_CRT_X509, &out1, 0);
gnutls_certificate_verification_status_print
(chains[i].expected_verify_result, GNUTLS_CRT_X509, &out2, 0);
fail("chain[%s]:\nverify_status: %d: %s\nexpected: %d: %s\n", chains[i].name, verify_status1, out1.data, chains[i].expected_verify_result, out2.data);
gnutls_free(out1.data);
gnutls_free(out2.data);
}
}
if (debug)
printf("\tCleanup...");
gnutls_x509_trust_list_deinit(tl, 0);
gnutls_x509_crt_deinit(ca);
for (j = 0; chains[i].chain[j]; j++)
gnutls_x509_crt_deinit(certs[j]);
if (debug)
printf("done\n\n\n");
}
gnutls_global_deinit();
if (debug)
printf("Exit status...%d\n", exit_val);
exit(exit_val);
}
|
