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/* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "../httpdunit.h"
#include "httpd.h"
/*
* Test Fixture -- runs once per test
*/
static apr_pool_t *g_pool;
static void base64_setup(void)
{
if (apr_pool_create(&g_pool, NULL) != APR_SUCCESS) {
exit(1);
}
}
static void base64_teardown(void)
{
apr_pool_destroy(g_pool);
}
/*
* Tests
*/
/*
* case[0]: encoded value
* case[1]: expected decoded value
*/
static const char * const base64_cases[][2] = {
/* Test case 1 derived from RFC 3548 sec. 7. */
{ "FPucA9l+", "\x14\xfb\x9c\x03\xd9\x7e" },
{ "aGVsbG8=", "hello" },
{ "dGVzdA==", "test" },
{ "", "" },
};
static const size_t base64_cases_len = sizeof(base64_cases) /
sizeof(base64_cases[0]);
HTTPD_START_LOOP_TEST(strict_decoding_works, base64_cases_len)
{
const char *encoded = base64_cases[_i][0];
const char *expected = base64_cases[_i][1];
char *decoded;
apr_size_t len;
apr_status_t status;
status = ap_pbase64decode_strict(g_pool, encoded, &decoded, &len);
ck_assert_int_eq(status, APR_SUCCESS);
ck_assert_uint_eq(len, strlen(expected));
ck_assert(!memcmp(decoded, expected, len));
}
END_TEST
START_TEST(strict_decoding_works_with_embedded_nulls)
{
static unsigned char expected[] = { 'n', '\0', 'u', '\0', 'l', '\0', 'l' };
char *decoded;
apr_size_t len;
apr_status_t status;
status = ap_pbase64decode_strict(g_pool, "bgB1AGwAbA==", &decoded, &len);
ck_assert_int_eq(status, APR_SUCCESS);
ck_assert_uint_eq(len, sizeof(expected));
ck_assert(!memcmp(decoded, expected, len));
}
END_TEST
START_TEST(strict_decoding_produces_null_terminated_buffer)
{
char *decoded;
apr_size_t len;
ap_pbase64decode_strict(g_pool, "aaaabbbbccccdddd", &decoded, &len);
ck_assert(decoded[len] == '\0');
}
END_TEST
START_TEST(strict_decoding_allows_all_base64_characters)
{
char *decoded;
apr_size_t len;
apr_status_t status;
status = ap_pbase64decode_strict(g_pool,
"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
"abcdefghijklmnopqrstuvwxyz"
"0123456789+/",
&decoded, &len);;
ck_assert_int_eq(status, APR_SUCCESS);
}
END_TEST
static const char * const invalid_chars[] = {
"bad?",
"not-good",
"also_bad",
"a\x01sd",
};
static const size_t invalid_chars_len = sizeof(invalid_chars) /
sizeof(invalid_chars[0]);
HTTPD_START_LOOP_TEST(strict_decoding_rejects_non_base64_characters, invalid_chars_len)
{
char *decoded = NULL;
apr_size_t len = (apr_size_t) -1;
apr_status_t status;
status = ap_pbase64decode_strict(g_pool, invalid_chars[_i], &decoded, &len);
ck_assert_int_eq(status, APR_EINVAL);
ck_assert(decoded == NULL);
ck_assert_uint_eq(len, (apr_size_t) -1);
}
END_TEST
static const char * const invalid_padding[] = {
"AAAA=", /* no padding needed here */
"AA=", /* not enough padding */
"AA===", /* too much padding */
"A===", /* only one or two padding characters allowed */
"A==",
"==",
"AAA=AAA=", /* mid-string padding prohibited */
"AAA", /* missing padding entirely */
"AA", /* missing padding entirely */
"A", /* just completely wrong */
"AAb=", /* one-padded strings must end in one of AEIMQUYcgkosw048 */
"Ab==", /* two-padded strings must end in one of AQgw */
};
static const size_t invalid_padding_len = sizeof(invalid_padding) /
sizeof(invalid_padding[0]);
HTTPD_START_LOOP_TEST(strict_decoding_rejects_incorrect_padding, invalid_padding_len)
{
char *decoded = NULL;
apr_size_t len = (apr_size_t) -1;
apr_status_t status;
status = ap_pbase64decode_strict(g_pool, invalid_padding[_i], &decoded,
&len);
ck_assert_int_eq(status, APR_EINVAL);
ck_assert(decoded == NULL);
ck_assert_uint_eq(len, (apr_size_t) -1);
}
END_TEST
/*
* Test Case Boilerplate
*/
HTTPD_BEGIN_TEST_CASE_WITH_FIXTURE(base64, base64_setup, base64_teardown)
#include "test/unit/base64.tests"
HTTPD_END_TEST_CASE
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