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
ChildFunClone1(void * p)73 static int ChildFunClone1(void *p)
74 {
75 (void)p;
76 int ret;
77 int status;
78 const char *containerType = "pid";
79 const char *containerType1 = "pid_for_children";
80
81 auto pid = getpid();
82 ret = unshare(CLONE_NEWPID);
83 if (ret == -1) {
84 return EXIT_CODE_ERRNO_1;
85 }
86 auto pid1 = getpid();
87 if (pid != pid1) {
88 return EXIT_CODE_ERRNO_2;
89 }
90
91 auto linkBuffer = ReadlinkContainer(pid, containerType);
92 auto linkBuffer1 = ReadlinkContainer(pid, containerType1);
93 ret = linkBuffer.compare(linkBuffer1);
94 if (ret == 0) {
95 return EXIT_CODE_ERRNO_3;
96 }
97
98 void *pstk = malloc(STACK_SIZE);
99 if (pstk == NULL) {
100 return EXIT_CODE_ERRNO_4;
101 }
102 int childPid = clone(ChildFunClone2, (char *)pstk + STACK_SIZE, CLONE_NEWUTS | SIGCHLD, NULL);
103 free(pstk);
104 if (childPid == -1) {
105 return EXIT_CODE_ERRNO_5;
106 }
107
108 ret = waitpid(childPid, &status, 0);
109 if (ret != childPid) {
110 return EXIT_CODE_ERRNO_6;
111 }
112 ret = WIFEXITED(status);
113 if (ret == 0) {
114 return EXIT_CODE_ERRNO_7;
115 }
116 ret = WEXITSTATUS(status);
117 if (ret != 0) {
118 return EXIT_CODE_ERRNO_8;
119 }
120 return 0;
121 }
122
ItPidContainer005(void)123 void ItPidContainer005(void)
124 {
125 int status;
126 int ret;
127 void *pstk = malloc(STACK_SIZE);
128 ASSERT_TRUE(pstk != NULL);
129
130 int childPid = clone(ChildFunClone1, (char *)pstk + STACK_SIZE, SIGCHLD, NULL);
131 free(pstk);
132 ASSERT_NE(childPid, -1);
133
134 ret = waitpid(childPid, &status, 0);
135 ASSERT_EQ(ret, childPid);
136 ret = WIFEXITED(status);
137 ASSERT_NE(ret, 0);
138 ret = WEXITSTATUS(status);
139 ASSERT_EQ(ret, 0);
140 }
141