qemu

FORK: QEMU emulator
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test-base64.c (3287B)

      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 
     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 
     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 
     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 
     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 
     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 
     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 }