1 /*
2 * Copyright (c) 2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include <dlfcn.h>
17 #include <errno.h>
18 #include <stdio.h>
19 #include <string.h>
20
21 #include "dlns_test.h"
22 #include "functionalext.h"
23
24 const char *LIB_NAME_A = "libdlns_dlsym_dep_a.so";
25 const char *LIB_NAME_B = "libdlns_dlsym_dep_b.so";
26 const char *LIB_NAME_C = "libdlns_dlsym_dep_c.so";
27
dlns_dlsym_0100_init_ns(Dl_namespace * dlnsA,Dl_namespace * dlnsB,Dl_namespace * dlnsC)28 static inline void dlns_dlsym_0100_init_ns(Dl_namespace *dlnsA, Dl_namespace *dlnsB, Dl_namespace *dlnsC)
29 {
30 dlns_init(dlnsA, "dlns_dlsym_0100_A");
31 dlns_init(dlnsB, "dlns_dlsym_0100_B");
32 dlns_init(dlnsC, "dlns_dlsym_0100_C");
33 EXPECT_EQ(__FUNCTION__, dlns_create(dlnsA, pathA), EOK);
34 EXPECT_EQ(__FUNCTION__, dlns_create(dlnsB, pathB), EOK);
35 EXPECT_EQ(__FUNCTION__, dlns_create(dlnsC, pathC), EOK);
36 EXPECT_EQ(__FUNCTION__, dlns_inherit(dlnsB, dlnsC, NULL), EOK);
37 EXPECT_EQ(__FUNCTION__, dlns_inherit(dlnsA, dlnsB, NULL), EOK);
38 }
39
close_so(void * handle)40 static inline void close_so(void* handle)
41 {
42 if (handle) {
43 dlclose(handle);
44 }
45 }
46
47 /**
48 * @tc.name : dlns_dlsym_0100
49 * @tc.desc : Call the dlsym interface to load libA,libB,libC dynamic library.
50 * @tc.level : Level1
51 */
dlns_dlsym_0100(void)52 static void dlns_dlsym_0100(void)
53 {
54 Dl_namespace dlnsA, dlnsB, dlnsC;
55 dlns_dlsym_0100_init_ns(&dlnsA, &dlnsB, &dlnsC);
56
57 void* handle_c = dlopen_ns(&dlnsC, LIB_NAME_C, RTLD_NOW);
58 EXPECT_PTRNE(__FUNCTION__, handle_c, NULL);
59 if (handle_c == NULL) {
60 return;
61 }
62
63 void* handle_b = dlopen_ns(&dlnsB, LIB_NAME_B, RTLD_NOW);
64 EXPECT_PTRNE(__FUNCTION__, handle_b, NULL);
65 if (handle_b == NULL) {
66 close_so(handle_c);
67 return;
68 }
69
70 void* handle_a = dlopen_ns(&dlnsA, LIB_NAME_A, RTLD_NOW);
71 EXPECT_PTRNE(__FUNCTION__, handle_a, NULL);
72 if (handle_a == NULL) {
73 close_so(handle_b);
74 close_so(handle_c);
75 return;
76 }
77
78 int(* test_a)(void) = dlsym(handle_a, "test");
79 EXPECT_PTRNE(__FUNCTION__, test_a, NULL);
80 if (test_a) {
81 EXPECT_EQ(__FUNCTION__, test_result_1, test_a());
82 }
83
84 int(* test_b)(void) = dlsym(handle_a, "test_b");
85 EXPECT_PTRNE(__FUNCTION__, test_b, NULL);
86 if (test_b) {
87 EXPECT_EQ(__FUNCTION__, test_result_2, test_b());
88 }
89
90 int(* test_c)(void) = dlsym(handle_c, "test");
91 EXPECT_PTRNE(__FUNCTION__, test_c, NULL);
92 if (test_c) {
93 EXPECT_EQ(__FUNCTION__, test_result_3, test_c());
94 }
95
96 int(* test_d)(void) = dlsym(handle_c, "test_c");
97 EXPECT_PTRNE(__FUNCTION__, test_d, NULL);
98 if (test_d) {
99 EXPECT_EQ(__FUNCTION__, test_result_4, test_d());
100 }
101
102 int(* test_e)(void) = dlsym(handle_a, "test_c");
103 EXPECT_PTREQ(__FUNCTION__, test_e, NULL);
104
105 close_so(handle_c);
106 close_so(handle_b);
107 close_so(handle_a);
108 }
109
110 TEST_FUN G_Fun_Array[] = {
111 dlns_dlsym_0100,
112 };
113
main(void)114 int main(void)
115 {
116 int num = sizeof(G_Fun_Array)/sizeof(TEST_FUN);
117 for (int pos = 0; pos < num; ++pos) {
118 G_Fun_Array[pos]();
119 }
120
121 return t_status;
122 }