xref: /openssl/test/hexstr_test.c (revision 7ed6de99)
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, sizeof(test_1),
33         ':',
34     },
35     {
36         "AB:CD:EF:76:00",
37         test_2, sizeof(test_2),
38         ':',
39     },
40     {
41         "AB_CD_EF_F1",
42         test_1, sizeof(test_1),
43         '_',
44     },
45     {
46         "AB_CD_EF_76_00",
47         test_2, sizeof(test_2),
48         '_',
49     },
50     {
51         "ABCDEFF1",
52         test_1, sizeof(test_1),
53         '\0',
54     },
55     {
56         "ABCDEF7600",
57         test_2, sizeof(test_2),
58         '\0',
59     },
60 };
61 
test_hexstr_sep_to_from(int test_index)62 static int test_hexstr_sep_to_from(int test_index)
63 {
64     int ret = 0;
65     long len = 0;
66     unsigned char *buf = NULL;
67     char *out = NULL;
68     struct testdata *test = &tbl_testdata[test_index];
69 
70     if (!TEST_ptr(buf = ossl_hexstr2buf_sep(test->in, &len, test->sep))
71         || !TEST_mem_eq(buf, len, test->expected, test->expected_len)
72         || !TEST_ptr(out = ossl_buf2hexstr_sep(buf, len, test->sep))
73         || !TEST_str_eq(out, test->in))
74        goto err;
75 
76     ret = 1;
77 err:
78     OPENSSL_free(buf);
79     OPENSSL_free(out);
80     return ret;
81 }
82 
test_hexstr_to_from(int test_index)83 static int test_hexstr_to_from(int test_index)
84 {
85     int ret = 0;
86     long len = 0;
87     unsigned char *buf = NULL;
88     char *out = NULL;
89     struct testdata *test = &tbl_testdata[test_index];
90 
91     if (test->sep != '_') {
92         if (!TEST_ptr(buf = OPENSSL_hexstr2buf(test->in, &len))
93             || !TEST_mem_eq(buf, len, test->expected, test->expected_len)
94             || !TEST_ptr(out = OPENSSL_buf2hexstr(buf, len)))
95            goto err;
96         if (test->sep == ':') {
97             if (!TEST_str_eq(out, test->in))
98                 goto err;
99         } else if (!TEST_str_ne(out, test->in)) {
100             goto err;
101         }
102     } else {
103         if (!TEST_ptr_null(buf = OPENSSL_hexstr2buf(test->in, &len)))
104             goto err;
105     }
106     ret = 1;
107 err:
108     OPENSSL_free(buf);
109     OPENSSL_free(out);
110     return ret;
111 }
112 
test_hexstr_ex_to_from(int test_index)113 static int test_hexstr_ex_to_from(int test_index)
114 {
115     size_t len = 0;
116     char out[64];
117     unsigned char buf[64];
118     struct testdata *test = &tbl_testdata[test_index];
119 
120     return TEST_true(OPENSSL_hexstr2buf_ex(buf, sizeof(buf), &len, test->in, ':'))
121            && TEST_mem_eq(buf, len, test->expected, test->expected_len)
122            && TEST_false(OPENSSL_buf2hexstr_ex(out, 3 * len - 1, NULL, buf, len,
123                                                ':'))
124            && TEST_true(OPENSSL_buf2hexstr_ex(out, sizeof(out), NULL, buf, len,
125                                               ':'))
126            && TEST_str_eq(out, test->in)
127            && TEST_true(OPENSSL_buf2hexstr_ex(out, sizeof(out), NULL, buf, 0,
128                                               ':'))
129            && TEST_size_t_eq(strlen(out), 0);
130 }
131 
setup_tests(void)132 int setup_tests(void)
133 {
134     ADD_ALL_TESTS(test_hexstr_sep_to_from, OSSL_NELEM(tbl_testdata));
135     ADD_ALL_TESTS(test_hexstr_to_from, OSSL_NELEM(tbl_testdata));
136     ADD_ALL_TESTS(test_hexstr_ex_to_from, 2);
137     return 1;
138 }
139