1 /*
2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
3 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without modification,
6 * are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this list of
9 * conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
12 * of conditions and the following disclaimer in the documentation and/or other materials
13 * provided with the distribution.
14 *
15 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
16 * to endorse or promote products derived from this software without specific prior written
17 * permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
28 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
29 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31 #include "it_test_dynload.h"
32 #include <stdio.h>
33
34 #define LIBCSO_REAL_PATH "/lib/libc.so"
35 #define LIBCSO_RELATIVE_PATH "../../lib/libc.so"
36 #define SYMBOL_TO_FIND "printf"
37 #define SYMBOL_TO_MATCH (void *)printf
38
Testcase(void)39 static int Testcase(void)
40 {
41 int ret;
42 char *workingPath = "/usr/bin";
43 void *handle = nullptr;
44 int (*func)(int);
45
46 ret = chdir(workingPath);
47 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
48
49 handle = dlopen(NULL, RTLD_NOW | RTLD_LOCAL);
50 ICUNIT_ASSERT_NOT_EQUAL(handle, NULL, handle);
51
52 ret = dlclose(handle);
53 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
54
55 handle = dlopen(LIBCSO_REAL_PATH, RTLD_NOW);
56 ICUNIT_ASSERT_NOT_EQUAL(handle, NULL, handle);
57
58 func = reinterpret_cast<int (*)(int)>(dlsym(handle, SYMBOL_TO_FIND));
59 ICUNIT_GOTO_NOT_EQUAL(func, NULL, func, EXIT);
60 ICUNIT_GOTO_EQUAL(func, SYMBOL_TO_MATCH, func, EXIT);
61
62 ret = dlclose(handle);
63 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
64
65 handle = dlopen(LIBCSO_RELATIVE_PATH, RTLD_NOW);
66 ICUNIT_ASSERT_NOT_EQUAL(handle, NULL, handle);
67
68 func = reinterpret_cast<int (*)(int)>(dlsym(handle, SYMBOL_TO_FIND));
69 ICUNIT_GOTO_NOT_EQUAL(func, NULL, func, EXIT);
70
71 ret = dlclose(handle);
72 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
73
74 return 0;
75
76 EXIT:
77 dlclose(handle);
78 return 0;
79 }
80
ItTestDynload002(void)81 void ItTestDynload002(void)
82 {
83 TEST_ADD_CASE("IT_TEST_DYNLOAD_002", Testcase, TEST_EXTEND, TEST_DYNLOAD, TEST_LEVEL2, TEST_FUNCTION);
84 }
85