xref: /src/crypto/openssl/test/hexstr_test.c (revision f25b8c9fb4f58cf61adb47d7570abe7caa6d385d)
1 /*
2  * Copyright 2020-2024 The OpenSSL Project Authors. All Rights Reserved.
3  *
4  * Licensed under the Apache License 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  * https://www.openssl.org/source/license.html
8  * or in the file LICENSE in the source distribution.
9  */
10 
11 /*
12  * This program tests the use of OSSL_PARAM, currently in raw form.
13  */
14 
15 #include "internal/nelem.h"
16 #include "internal/cryptlib.h"
17 #include "testutil.h"
18 
19 struct testdata {
20     const char *in;
21     const unsigned char *expected;
22     size_t expected_len;
23     const char sep;
24 };
25 
26 static const unsigned char test_1[] = { 0xAB, 0xCD, 0xEF, 0xF1 };
27 static const unsigned char test_2[] = { 0xAB, 0xCD, 0xEF, 0x76, 0x00 };
28 
29 static struct testdata tbl_testdata[] = {
30     {
31         "AB:CD:EF:F1",
32         test_1,
33         sizeof(test_1),
34         ':',
35     },
36     {
37         "AB:CD:EF:76:00",
38         test_2,
39         sizeof(test_2),
40         ':',
41     },
42     {
43         "AB_CD_EF_F1",
44         test_1,
45         sizeof(test_1),
46         '_',
47     },
48     {
49         "AB_CD_EF_76_00",
50         test_2,
51         sizeof(test_2),
52         '_',
53     },
54     {
55         "ABCDEFF1",
56         test_1,
57         sizeof(test_1),
58         '\0',
59     },
60     {
61         "ABCDEF7600",
62         test_2,
63         sizeof(test_2),
64         '\0',
65     },
66 };
67 
test_hexstr_sep_to_from(int test_index)68 static int test_hexstr_sep_to_from(int test_index)
69 {
70     int ret = 0;
71     long len = 0;
72     unsigned char *buf = NULL;
73     char *out = NULL;
74     struct testdata *test = &tbl_testdata[test_index];
75 
76     if (!TEST_ptr(buf = ossl_hexstr2buf_sep(test->in, &len, test->sep))
77         || !TEST_mem_eq(buf, len, test->expected, test->expected_len)
78         || !TEST_ptr(out = ossl_buf2hexstr_sep(buf, len, test->sep))
79         || !TEST_str_eq(out, test->in))
80         goto err;
81 
82     ret = 1;
83 err:
84     OPENSSL_free(buf);
85     OPENSSL_free(out);
86     return ret;
87 }
88 
test_hexstr_to_from(int test_index)89 static int test_hexstr_to_from(int test_index)
90 {
91     int ret = 0;
92     long len = 0;
93     unsigned char *buf = NULL;
94     char *out = NULL;
95     struct testdata *test = &tbl_testdata[test_index];
96 
97     if (test->sep != '_') {
98         if (!TEST_ptr(buf = OPENSSL_hexstr2buf(test->in, &len))
99             || !TEST_mem_eq(buf, len, test->expected, test->expected_len)
100             || !TEST_ptr(out = OPENSSL_buf2hexstr(buf, len)))
101             goto err;
102         if (test->sep == ':') {
103             if (!TEST_str_eq(out, test->in))
104                 goto err;
105         } else if (!TEST_str_ne(out, test->in)) {
106             goto err;
107         }
108     } else {
109         if (!TEST_ptr_null(buf = OPENSSL_hexstr2buf(test->in, &len)))
110             goto err;
111     }
112     ret = 1;
113 err:
114     OPENSSL_free(buf);
115     OPENSSL_free(out);
116     return ret;
117 }
118 
test_hexstr_ex_to_from(int test_index)119 static int test_hexstr_ex_to_from(int test_index)
120 {
121     size_t len = 0;
122     char out[64];
123     unsigned char buf[64];
124     struct testdata *test = &tbl_testdata[test_index];
125 
126     return TEST_true(OPENSSL_hexstr2buf_ex(buf, sizeof(buf), &len, test->in, ':'))
127         && TEST_mem_eq(buf, len, test->expected, test->expected_len)
128         && TEST_false(OPENSSL_buf2hexstr_ex(out, 3 * len - 1, NULL, buf, len,
129             ':'))
130         && TEST_true(OPENSSL_buf2hexstr_ex(out, sizeof(out), NULL, buf, len,
131             ':'))
132         && TEST_str_eq(out, test->in)
133         && TEST_true(OPENSSL_buf2hexstr_ex(out, sizeof(out), NULL, buf, 0,
134             ':'))
135         && TEST_size_t_eq(strlen(out), 0);
136 }
137 
setup_tests(void)138 int setup_tests(void)
139 {
140     ADD_ALL_TESTS(test_hexstr_sep_to_from, OSSL_NELEM(tbl_testdata));
141     ADD_ALL_TESTS(test_hexstr_to_from, OSSL_NELEM(tbl_testdata));
142     ADD_ALL_TESTS(test_hexstr_ex_to_from, 2);
143     return 1;
144 }
145