1 /*
2 * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without modification,
5 * are permitted provided that the following conditions are met:
6 *
7 * 1. Redistributions of source code must retain the above copyright notice, this list of
8 * conditions and the following disclaimer.
9 *
10 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
11 * of conditions and the following disclaimer in the documentation and/or other materials
12 * provided with the distribution.
13 *
14 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
15 * to endorse or promote products derived from this software without specific prior written
16 * permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
20 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
22 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
23 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
24 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
25 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
26 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
27 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
28 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30 #include "It_container_test.h"
31
ChildFunClone3(void * p)32 static int ChildFunClone3(void *p)
33 {
34 (void)p;
35 auto pid = getpid();
36 if (pid != CONTAINER_SECOND_PID) {
37 return EXIT_CODE_ERRNO_1;
38 }
39 return 0;
40 }
41
ChildFunClone2(void * p)42 static int ChildFunClone2(void *p)
43 {
44 (void)p;
45 auto pid = getpid();
46 if (pid != CONTAINER_FIRST_PID) {
47 return EXIT_CODE_ERRNO_1;
48 }
49 int ret;
50 int status;
51 void *pstk = malloc(STACK_SIZE);
52 if (pstk == NULL) {
53 return EXIT_CODE_ERRNO_2;
54 }
55 int childPid = clone(ChildFunClone3, (char *)pstk + STACK_SIZE, SIGCHLD, NULL);
56 if (childPid == -1) {
57 free(pstk);
58 return EXIT_CODE_ERRNO_3;
59 }
60
61 ret = waitpid(childPid, &status, 0);
62 ret = WIFEXITED(status);
63 ret = WEXITSTATUS(status);
64 if (ret != 0) {
65 free(pstk);
66 return EXIT_CODE_ERRNO_4;
67 }
68
69 free(pstk);
70 return 0;
71 }
72
73
ChildFunClone1(void * p)74 static int ChildFunClone1(void *p)
75 {
76 (void)p;
77 int ret;
78 int status;
79 const char *containerType = "pid";
80 const char *containerType1 = "pid_for_children";
81
82 auto pid = getpid();
83 ret = unshare(CLONE_NEWPID);
84 if (ret == -1) {
85 return EXIT_CODE_ERRNO_1;
86 }
87
88 auto pid1 = getpid();
89 if (pid != pid1) {
90 return EXIT_CODE_ERRNO_2;
91 }
92
93 auto linkBuffer = ReadlinkContainer(pid, containerType);
94 auto linkBuffer1 = ReadlinkContainer(pid, containerType1);
95 ret = linkBuffer.compare(linkBuffer1);
96 if (ret == 0) {
97 printf("linkBuffer: %s linkBuffer1: %s\n", linkBuffer.c_str(), linkBuffer1.c_str());
98 return EXIT_CODE_ERRNO_3;
99 }
100
101 void *pstk = malloc(STACK_SIZE);
102 if (pstk == NULL) {
103 return EXIT_CODE_ERRNO_4;
104 }
105 int childPid = clone(ChildFunClone2, (char *)pstk + STACK_SIZE, SIGCHLD, NULL);
106 free(pstk);
107 if (childPid == -1) {
108 return EXIT_CODE_ERRNO_5;
109 }
110
111 ret = unshare(CLONE_NEWPID);
112 if (ret != -1) {
113 return EXIT_CODE_ERRNO_6;
114 }
115
116 ret = waitpid(childPid, &status, 0);
117 if (ret != childPid) {
118 return EXIT_CODE_ERRNO_7;
119 }
120 ret = WIFEXITED(status);
121 if (ret == 0) {
122 return EXIT_CODE_ERRNO_8;
123 }
124 ret = WEXITSTATUS(status);
125 if (ret != 0) {
126 return EXIT_CODE_ERRNO_9;
127 }
128 return 0;
129 }
130
ItPidContainer027(void)131 void ItPidContainer027(void)
132 {
133 void *pstk = malloc(STACK_SIZE);
134 ASSERT_TRUE(pstk != NULL);
135
136 int childPid = clone(ChildFunClone1, (char *)pstk + STACK_SIZE, SIGCHLD, NULL);
137 free(pstk);
138 ASSERT_NE(childPid, -1);
139
140 int status;
141 int ret = waitpid(childPid, &status, 0);
142 ASSERT_EQ(ret, childPid);
143 ret = WIFEXITED(status);
144 ASSERT_NE(ret, 0);
145 ret = WEXITSTATUS(status);
146 ASSERT_EQ(ret, 0);
147 }
148