1 /* libcoap unit tests
2 *
3 * Copyright (C) 2018 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 HAVE_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 /* HAVE_LIBTINYDTLS */
31
32 #ifdef HAVE_OPENSSL
33 #define HAVE_DTLS 1
34 #include <openssl/ssl.h>
35 #endif /* HAVE_OPENSSL */
36
37 #ifdef HAVE_LIBGNUTLS
38 #define HAVE_DTLS 1
39 #include <gnutls/gnutls.h>
40 #endif /* HAVE_LIBGNUTLS */
41
42 #ifdef HAVE_MBEDTLS
43 #define HAVE_DTLS 1
44 #include <mbedtls/version.h>
45 #endif /* HAVE_MBEDTLS */
46
47 static void
t_tls1(void)48 t_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
57 static void
t_tls2(void)58 t_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(HAVE_OPENSSL)
65 version.version = SSLeay();
66 version.type = COAP_TLS_LIBRARY_OPENSSL;
67 #elif defined(HAVE_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(HAVE_LIBGNUTLS)
85 version.version = GNUTLS_VERSION_NUMBER;
86 version.type = COAP_TLS_LIBRARY_GNUTLS;
87 #elif defined(HAVE_MBEDTLS)
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 /* HAVE_OPENSSL || HAVE_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
100 static int
t_tls_tests_create(void)101 t_tls_tests_create(void) {
102 coap_startup();
103 return 0;
104 }
105
106 CU_pSuite
t_init_tls_tests(void)107 t_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
130