1 /*
2  * Copyright (C) 2008-2016 Free Software Foundation, Inc.
3  * Copyright (C) 2016 Red Hat, Inc.
4  *
5  * Author: Nikos Mavrogiannopoulos
6  *
7  * This file is part of GnuTLS.
8  *
9  * GnuTLS is free software; you can redistribute it and/or modify it
10  * under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 3 of the License, or
12  * (at your option) any later version.
13  *
14  * GnuTLS is distributed in the hope that it will be useful, but
15  * WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
17  * General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with GnuTLS; if not, write to the Free Software Foundation,
21  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
22  */
23 
24 #ifdef HAVE_CONFIG_H
25 #include <config.h>
26 #endif
27 
28 #include <stdlib.h>
29 #include <stdio.h>
30 #include <time.h>
31 #include <string.h>
32 #include <gnutls/gnutls.h>
33 #include <gnutls/x509.h>
34 #include <assert.h>
35 
36 #include "utils.h"
37 
38 #include "cert-common.h"
39 
tls_log_func(int level,const char * str)40 static void tls_log_func(int level, const char *str)
41 {
42 	fprintf(stderr, "|<%d>| %s", level, str);
43 }
44 
mytime(time_t * t)45 static time_t mytime(time_t * t)
46 {
47 	time_t then = 1207000800;
48 
49 	if (t)
50 		*t = then;
51 
52 	return then;
53 }
54 
55 /* write V1 cert with extensions */
do_crt_with_exts(unsigned version)56 static void do_crt_with_exts(unsigned version)
57 {
58 	gnutls_x509_privkey_t pkey;
59 	gnutls_x509_crt_t crt;
60 	const char *err = NULL;
61 	int ret;
62 
63 	ret = global_init();
64 	if (ret < 0)
65 		fail("global_init\n");
66 
67 	gnutls_global_set_time_function(mytime);
68 	gnutls_global_set_log_function(tls_log_func);
69 	if (debug)
70 		gnutls_global_set_log_level(4711);
71 
72 	ret = gnutls_x509_crt_init(&crt);
73 	if (ret != 0)
74 		fail("gnutls_x509_crt_init\n");
75 
76 	ret = gnutls_x509_privkey_init(&pkey);
77 	if (ret != 0)
78 		fail("gnutls_x509_privkey_init\n");
79 
80 	ret = gnutls_x509_privkey_import(pkey, &key_dat, GNUTLS_X509_FMT_PEM);
81 	if (ret != 0)
82 		fail("gnutls_x509_privkey_import\n");
83 
84 	/* Setup CRT */
85 
86 	ret = gnutls_x509_crt_set_version(crt, version);
87 	if (ret != 0)
88 		fail("gnutls_x509_crt_set_version\n");
89 
90 	ret = gnutls_x509_crt_set_serial(crt, "\x0a\x11\x00", 3);
91 	if (ret != 0)
92 		fail("gnutls_x509_crt_set_serial\n");
93 
94 	ret = gnutls_x509_crt_set_expiration_time(crt, -1);
95 	if (ret != 0)
96 		fail("error\n");
97 
98 	ret = gnutls_x509_crt_set_activation_time(crt, mytime(0));
99 	if (ret != 0)
100 		fail("error\n");
101 
102 	ret = gnutls_x509_crt_set_key(crt, pkey);
103 	if (ret != 0)
104 		fail("gnutls_x509_crt_set_key\n");
105 
106 	ret = gnutls_x509_crt_set_basic_constraints(crt, 0, -1); /* invalid for V1 */
107 	if (ret < 0) {
108 		fail("error\n");
109 	}
110 
111 	ret = gnutls_x509_crt_set_key_usage(crt, GNUTLS_KEY_DIGITAL_SIGNATURE); /* inv for V1 */
112 	if (ret != 0)
113 		fail("gnutls_x509_crt_set_key_usage %d\n", ret);
114 
115 	ret = gnutls_x509_crt_set_dn(crt, "o = none to\\, mention,cn = nikos", &err);
116 	if (ret < 0) {
117 		fail("gnutls_x509_crt_set_dn: %s, %s\n", gnutls_strerror(ret), err);
118 	}
119 
120 	ret = gnutls_x509_crt_sign2(crt, crt, pkey, GNUTLS_DIG_SHA256, 0);
121 	if (ret != GNUTLS_E_X509_CERTIFICATE_ERROR) {
122 		gnutls_datum_t out;
123 		assert(gnutls_x509_crt_export2(crt, GNUTLS_X509_FMT_PEM, &out) >= 0);
124 		printf("%s\n\n", out.data);
125 
126 		fail("gnutls_x509_crt_sign2: %s\n", gnutls_strerror(ret));
127 	}
128 
129 	gnutls_x509_crt_deinit(crt);
130 	gnutls_x509_privkey_deinit(pkey);
131 
132 	gnutls_global_deinit();
133 }
134 
135 /* write V1 cert with unique id */
do_v1_invalid_crt(void)136 static void do_v1_invalid_crt(void)
137 {
138 	gnutls_x509_privkey_t pkey;
139 	gnutls_x509_crt_t crt;
140 	const char *err = NULL;
141 	int ret;
142 
143 	ret = global_init();
144 	if (ret < 0)
145 		fail("global_init\n");
146 
147 	gnutls_global_set_time_function(mytime);
148 	gnutls_global_set_log_function(tls_log_func);
149 	if (debug)
150 		gnutls_global_set_log_level(4711);
151 
152 	ret = gnutls_x509_crt_init(&crt);
153 	if (ret != 0)
154 		fail("gnutls_x509_crt_init\n");
155 
156 	ret = gnutls_x509_privkey_init(&pkey);
157 	if (ret != 0)
158 		fail("gnutls_x509_privkey_init\n");
159 
160 	ret = gnutls_x509_privkey_import(pkey, &key_dat, GNUTLS_X509_FMT_PEM);
161 	if (ret != 0)
162 		fail("gnutls_x509_privkey_import\n");
163 
164 	/* Setup CRT */
165 
166 	ret = gnutls_x509_crt_set_version(crt, 1);
167 	if (ret != 0)
168 		fail("gnutls_x509_crt_set_version\n");
169 
170 	ret = gnutls_x509_crt_set_serial(crt, "\x0a\x11\x00", 3);
171 	if (ret != 0)
172 		fail("gnutls_x509_crt_set_serial\n");
173 
174 	ret = gnutls_x509_crt_set_expiration_time(crt, -1);
175 	if (ret != 0)
176 		fail("error\n");
177 
178 	ret = gnutls_x509_crt_set_activation_time(crt, mytime(0));
179 	if (ret != 0)
180 		fail("error\n");
181 
182 	ret = gnutls_x509_crt_set_key(crt, pkey);
183 	if (ret != 0)
184 		fail("gnutls_x509_crt_set_key\n");
185 
186 	ret = gnutls_x509_crt_set_issuer_unique_id(crt, "\x00\x01\x03", 3);
187 	if (ret < 0) {
188 		fail("error\n");
189 	}
190 
191 	ret = gnutls_x509_crt_set_dn(crt, "o = none to\\, mention,cn = nikos", &err);
192 	if (ret < 0) {
193 		fail("gnutls_x509_crt_set_dn: %s, %s\n", gnutls_strerror(ret), err);
194 	}
195 
196 	ret = gnutls_x509_crt_sign2(crt, crt, pkey, GNUTLS_DIG_SHA256, 0);
197 	if (ret != GNUTLS_E_X509_CERTIFICATE_ERROR) {
198 		gnutls_datum_t out;
199 		assert(gnutls_x509_crt_export2(crt, GNUTLS_X509_FMT_PEM, &out) >= 0);
200 		printf("%s\n\n", out.data);
201 
202 		fail("gnutls_x509_crt_sign2: %s\n", gnutls_strerror(ret));
203 	}
204 
205 	gnutls_x509_crt_deinit(crt);
206 	gnutls_x509_privkey_deinit(pkey);
207 
208 	gnutls_global_deinit();
209 }
210 
doit(void)211 void doit(void)
212 {
213 	do_crt_with_exts(1);
214 	do_crt_with_exts(2);
215 	do_v1_invalid_crt();
216 }
217