1 /*
2  * Copyright (C) 2008-2012 Free Software Foundation, Inc.
3  *
4  * Author: Joe Orton
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 /* Parts copied from GnuTLS example programs. */
24 
25 #ifdef HAVE_CONFIG_H
26 #include <config.h>
27 #endif
28 
29 #include <stdio.h>
30 #include <stdlib.h>
31 #include <string.h>
32 #include <sys/types.h>
33 #include <unistd.h>
34 
35 #include <gnutls/gnutls.h>
36 #include <gnutls/x509.h>
37 
38 #include "utils.h"
39 
40 static const char cert_pem[] =
41     "-----BEGIN CERTIFICATE-----\n"
42     "MIICHjCCAYmgAwIBAgIERiYdNzALBgkqhkiG9w0BAQUwGTEXMBUGA1UEAxMOR251\n"
43     "VExTIHRlc3QgQ0EwHhcNMDcwNDE4MTMyOTI3WhcNMDgwNDE3MTMyOTI3WjAdMRsw\n"
44     "GQYDVQQDExJHbnVUTFMgdGVzdCBjbGllbnQwgZwwCwYJKoZIhvcNAQEBA4GMADCB\n"
45     "iAKBgLtmQ/Xyxde2jMzF3/WIO7HJS2oOoa0gUEAIgKFPXKPQ+GzP5jz37AR2ExeL\n"
46     "ZIkiW8DdU3w77XwEu4C5KL6Om8aOoKUSy/VXHqLnu7czSZ/ju0quak1o/8kR4jKN\n"
47     "zj2AC41179gAgY8oBAOgIo1hBAf6tjd9IQdJ0glhaZiQo1ipAgMBAAGjdjB0MAwG\n"
48     "A1UdEwEB/wQCMAAwEwYDVR0lBAwwCgYIKwYBBQUHAwIwDwYDVR0PAQH/BAUDAweg\n"
49     "ADAdBgNVHQ4EFgQUTLkKm/odNON+3svSBxX+odrLaJEwHwYDVR0jBBgwFoAU6Twc\n"
50     "+62SbuYGpFYsouHAUyfI8pUwCwYJKoZIhvcNAQEFA4GBALujmBJVZnvaTXr9cFRJ\n"
51     "jpfc/3X7sLUsMvumcDE01ls/cG5mIatmiyEU9qI3jbgUf82z23ON/acwJf875D3/\n"
52     "U7jyOsBJ44SEQITbin2yUeJMIm1tievvdNXBDfW95AM507ShzP12sfiJkJfjjdhy\n"
53     "dc8Siq5JojruiMizAf0pA7in\n" "-----END CERTIFICATE-----\n";
54 static const gnutls_datum_t cert_datum = { (unsigned char *) cert_pem,
55 	sizeof(cert_pem)
56 };
57 
doit(void)58 void doit(void)
59 {
60 	gnutls_x509_crt_t cert;
61 	gnutls_x509_dn_t sdn, dn2;
62 	unsigned char buf[8192], buf2[8192];
63 	size_t buflen, buf2len;
64 	gnutls_datum_t datum;
65 	int rv;
66 
67 	global_init();
68 
69 	if (gnutls_x509_crt_init(&cert) != 0)
70 		fail("cert init failure\n");
71 
72 	if (gnutls_x509_crt_import(cert, &cert_datum, GNUTLS_X509_FMT_PEM)
73 	    != 0)
74 		fail("FAIL: could not import PEM cert\n");
75 
76 	if (gnutls_x509_crt_get_subject(cert, &sdn) != 0)
77 		fail("FAIL: could not get subject DN.\n");
78 
79 	buflen = sizeof buf;
80 	rv = gnutls_x509_dn_export(sdn, GNUTLS_X509_FMT_DER, buf, &buflen);
81 	if (rv != 0)
82 		fail("FAIL: could not export subject DN: %s\n",
83 		     gnutls_strerror(rv));
84 
85 	if (gnutls_x509_dn_init(&dn2) != 0)
86 		fail("FAIL: DN init.\n");
87 
88 	datum.data = buf;
89 	datum.size = buflen;
90 
91 	if (gnutls_x509_dn_import(dn2, &datum) != 0)
92 		fail("FAIL: re-import subject DN.\n");
93 
94 	buf2len = sizeof buf2;
95 	rv = gnutls_x509_dn_export(dn2, GNUTLS_X509_FMT_DER, buf2,
96 				   &buf2len);
97 	if (rv != 0)
98 		fail("FAIL: could not export subject DN: %s\n",
99 		     gnutls_strerror(rv));
100 
101 	if (buflen == buf2len && memcmp(buf, buf2, buflen) != 0)
102 		fail("FAIL: export/import/export differ.\n");
103 
104 	gnutls_x509_dn_deinit(dn2);
105 
106 	gnutls_x509_crt_deinit(cert);
107 
108 	gnutls_global_deinit();
109 }
110