1 /*
2 * QEMU base64 helper test
3 *
4 * Copyright (c) 2015 Red Hat, Inc.
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
18 *
19 */
20
21 #include "qemu/osdep.h"
22
23 #include "qapi/error.h"
24 #include "qemu/base64.h"
25
test_base64_good(void)26 static void test_base64_good(void)
27 {
28 const char input[] =
29 "QmVjYXVzZSB3ZSBmb2N1c2VkIG9uIHRoZSBzbmFrZSwgd2UgbW\n"
30 "lzc2VkIHRoZSBzY29ycGlvbi4=";
31 const char expect[] = "Because we focused on the snake, "
32 "we missed the scorpion.";
33
34 size_t len;
35 uint8_t *actual = qbase64_decode(input,
36 -1,
37 &len,
38 &error_abort);
39
40 g_assert(actual != NULL);
41 g_assert_cmpint(len, ==, strlen(expect));
42 g_assert_cmpstr((char *)actual, ==, expect);
43 g_free(actual);
44 }
45
46
test_base64_bad(const char * input,size_t input_len)47 static void test_base64_bad(const char *input,
48 size_t input_len)
49 {
50 size_t len;
51 Error *err = NULL;
52 uint8_t *actual = qbase64_decode(input,
53 input_len,
54 &len,
55 &err);
56
57 error_free_or_abort(&err);
58 g_assert(actual == NULL);
59 g_assert_cmpint(len, ==, 0);
60 }
61
62
test_base64_embedded_nul(void)63 static void test_base64_embedded_nul(void)
64 {
65 /* We put a NUL character in the middle of the base64
66 * text which is invalid data, given the expected length */
67 const char input[] =
68 "QmVjYXVzZSB3ZSBmb2N1c2VkIG9uIHRoZSBzbmFrZSwgd2UgbW\0"
69 "lzc2VkIHRoZSBzY29ycGlvbi4=";
70
71 test_base64_bad(input, G_N_ELEMENTS(input) - 1);
72 }
73
74
test_base64_not_nul_terminated(void)75 static void test_base64_not_nul_terminated(void)
76 {
77 const char input[] =
78 "QmVjYXVzZSB3ZSBmb2N1c2VkIG9uIHRoZSBzbmFrZSwgd2UgbW\n"
79 "lzc2VkIHRoZSBzY29ycGlvbi4=";
80
81 /* Using '-2' to make us drop the trailing NUL, thus
82 * creating an invalid base64 sequence for decoding */
83 test_base64_bad(input, G_N_ELEMENTS(input) - 2);
84 }
85
86
test_base64_invalid_chars(void)87 static void test_base64_invalid_chars(void)
88 {
89 /* We put a single quote character in the middle
90 * of the base64 text which is invalid data */
91 const char input[] =
92 "QmVjYXVzZSB3ZSBmb2N1c2VkIG9uIHRoZSBzbmFrZSwgd2UgbW'"
93 "lzc2VkIHRoZSBzY29ycGlvbi4=";
94
95 test_base64_bad(input, strlen(input));
96 }
97
98
main(int argc,char ** argv)99 int main(int argc, char **argv)
100 {
101 g_test_init(&argc, &argv, NULL);
102 g_test_add_func("/util/base64/good", test_base64_good);
103 g_test_add_func("/util/base64/embedded-nul", test_base64_embedded_nul);
104 g_test_add_func("/util/base64/not-nul-terminated",
105 test_base64_not_nul_terminated);
106 g_test_add_func("/util/base64/invalid-chars", test_base64_invalid_chars);
107 return g_test_run();
108 }
109