xref: /third_party/libcoap/tests/test_tls.c (revision c87c5fba) 
1/* libcoap unit tests
2 *
3 * Copyright (C) 2018,2022-2023 Olaf Bergmann <bergmann@tzi.org>
4 *
5 * SPDX-License-Identifier: BSD-2-Clause
6 *
7 * This file is part of the CoAP library libcoap. Please see
8 * README for terms of use.
9 */
10
11#include "test_common.h"
12#include "test_tls.h"
13
14#undef HAVE_DTLS
15
16#ifdef COAP_WITH_LIBTINYDTLS
17#define HAVE_DTLS 1
18
19/* Need to #undef these to stop compiler warnings when tinydtls.h is included */
20#undef PACKAGE_BUGREPORT
21#undef PACKAGE_NAME
22#undef PACKAGE_STRING
23#undef PACKAGE_TARNAME
24#undef PACKAGE_URL
25#undef PACKAGE_VERSION
26
27#include <tinydtls.h>
28#include <dtls.h>
29#include <dtls_debug.h>
30#endif /* COAP_WITH_LIBTINYDTLS */
31
32#ifdef COAP_WITH_LIBOPENSSL
33#define HAVE_DTLS 1
34#include <openssl/ssl.h>
35#endif /* COAP_WITH_LIBOPENSSL */
36
37#ifdef COAP_WITH_LIBGNUTLS
38#define HAVE_DTLS 1
39#include <gnutls/gnutls.h>
40#endif /* COAP_WITH_LIBGNUTLS */
41
42#ifdef COAP_WITH_LIBMBEDTLS
43#define HAVE_DTLS 1
44#include <mbedtls/version.h>
45#endif /* COAP_WITH_LIBMBEDTLS */
46
47static void
48t_tls1(void) {
49  int need_dtls = 0;
50#ifdef HAVE_DTLS
51  need_dtls = 1;
52#endif /* HAVE_DTLS */
53
54  CU_ASSERT(coap_dtls_is_supported() == need_dtls);
55}
56
57static void
58t_tls2(void) {
59  coap_tls_version_t *v = coap_get_tls_library_version();
60  coap_tls_version_t version;
61
62  memset(&version, 0, sizeof(coap_tls_version_t));
63
64#if defined(COAP_WITH_LIBOPENSSL)
65  version.version = SSLeay();
66  version.type = COAP_TLS_LIBRARY_OPENSSL;
67#elif defined(COAP_WITH_LIBTINYDTLS)
68  const char *vers = dtls_package_version();
69  version.version = 0;
70  if (vers) {
71    long int p1, p2 = 0, p3 = 0;
72    char *endptr;
73
74    p1 = strtol(vers, &endptr, 10);
75    if (*endptr == '.') {
76      p2 = strtol(endptr+1, &endptr, 10);
77      if (*endptr == '.') {
78        p3 = strtol(endptr+1, &endptr, 10);
79      }
80    }
81    version.version = (p1 << 16) | (p2 << 8) | p3;
82  }
83  version.type = COAP_TLS_LIBRARY_TINYDTLS;
84#elif defined(COAP_WITH_LIBGNUTLS)
85  version.version = GNUTLS_VERSION_NUMBER;
86  version.type = COAP_TLS_LIBRARY_GNUTLS;
87#elif defined(COAP_WITH_LIBMBEDTLS)
88  version.version = MBEDTLS_VERSION_NUMBER;
89  version.type = COAP_TLS_LIBRARY_MBEDTLS;
90#else /* no DTLS */
91  version.version = 0;
92  version.type = COAP_TLS_LIBRARY_NOTLS;
93#endif /* COAP_WITH_LIBOPENSSL || COAP_WITH_LIBTINYDTLS */
94
95  CU_ASSERT_PTR_NOT_NULL_FATAL(v);
96  CU_ASSERT(version.version == v->version);
97  CU_ASSERT(version.type == v->type);
98}
99
100static int
101t_tls_tests_create(void) {
102  coap_startup();
103  return 0;
104}
105
106CU_pSuite
107t_init_tls_tests(void) {
108  CU_pSuite suite;
109
110  suite = CU_add_suite("TLS", t_tls_tests_create, NULL);
111  if (!suite) {                        /* signal error */
112    fprintf(stderr, "W: cannot add TLS test suite (%s)\n",
113            CU_get_error_msg());
114
115    return NULL;
116  }
117
118#define TLS_TEST(s,t)                                                      \
119  if (!CU_ADD_TEST(s,t)) {                                              \
120    fprintf(stderr, "W: cannot add TLS test (%s)\n",              \
121            CU_get_error_msg());                                      \
122  }
123
124  TLS_TEST(suite, t_tls1);
125  TLS_TEST(suite, t_tls2);
126
127  return suite;
128}
129