1 /*
2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
3 * Copyright (c) 2020-2023 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 char curPath[1024] = { 0 }; /* 1024, buffer size */
46
47 handle = getcwd(curPath, sizeof(curPath));
48 ICUNIT_ASSERT_NOT_EQUAL(handle, NULL, handle);
49
50 ret = chdir(workingPath);
51 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
52
53 handle = dlopen(NULL, RTLD_NOW | RTLD_LOCAL);
54 ICUNIT_GOTO_NOT_EQUAL(handle, NULL, 1, EXIT1); /* 1, return value */
55
56 ret = dlclose(handle);
57 ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
58
59 handle = dlopen(LIBCSO_REAL_PATH, RTLD_NOW);
60 ICUNIT_GOTO_NOT_EQUAL(handle, NULL, 1, EXIT1); /* 1, return value */
61
62 func = reinterpret_cast<int (*)(int)>(dlsym(handle, SYMBOL_TO_FIND));
63 ICUNIT_GOTO_NOT_EQUAL(func, NULL, func, EXIT);
64 ICUNIT_GOTO_EQUAL(func, SYMBOL_TO_MATCH, func, EXIT);
65
66 ret = dlclose(handle);
67 ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
68
69 handle = dlopen(LIBCSO_RELATIVE_PATH, RTLD_NOW);
70 ICUNIT_GOTO_NOT_EQUAL(handle, NULL, 1, EXIT1); /* 1, return value */
71
72 func = reinterpret_cast<int (*)(int)>(dlsym(handle, SYMBOL_TO_FIND));
73 ICUNIT_GOTO_NOT_EQUAL(func, NULL, func, EXIT);
74
75 ret = dlclose(handle);
76 ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
77
78 ret = chdir(curPath);
79 ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT1);
80
81 return 0;
82
83 EXIT:
84 dlclose(handle);
85
86 EXIT1:
87 ret = chdir(curPath);
88 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
89
90 return 1; /* 1, return value */
91 }
92
ItTestDynload002(void)93 void ItTestDynload002(void)
94 {
95 TEST_ADD_CASE("IT_TEST_DYNLOAD_002", Testcase, TEST_EXTEND, TEST_DYNLOAD, TEST_LEVEL2, TEST_FUNCTION);
96 }
97