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
childFunc(void * arg)32 static int childFunc(void *arg)
33 {
34 int ret;
35 char *containerType = "time";
36 char *containerType1 = "time_for_children";
37 char pid_link[100]; /* 100: test len */
38 char targetpath[100]; /* 100: test len */
39 auto linkBuffer = ReadlinkContainer(getppid(), containerType);
40 int fd;
41
42 ret = sprintf_s(pid_link, 100, "%s", linkBuffer.c_str()); /* 100: test len */
43 if (ret <= 0) {
44 return EXIT_CODE_ERRNO_4;
45 }
46 ret = sprintf_s(targetpath, 100, "/proc/%d/container/time", getppid()); /* 100: test len */
47 if (ret <= 0) {
48 return EXIT_CODE_ERRNO_5;
49 }
50 fd = open(targetpath, O_RDONLY | O_CLOEXEC);
51 if (fd == -1) {
52 return EXIT_CODE_ERRNO_1;
53 }
54
55 ret = setns(fd, CLONE_NEWTIME);
56 if (ret != 0) {
57 close(fd);
58 return EXIT_CODE_ERRNO_2;
59 }
60 close(fd);
61 auto linkBuffer1 = ReadlinkContainer(getpid(), containerType);
62 auto linkBuffer2 = ReadlinkContainer(getpid(), containerType1);
63 ret = linkBuffer1.compare(linkBuffer2);
64 EXPECT_EQ(ret, 0);
65 if (ret != 0) {
66 return EXIT_CODE_ERRNO_3;
67 }
68
69 return 0;
70 }
71
TimeContainerUnshare(void)72 static void TimeContainerUnshare(void)
73 {
74 int ret;
75 int status;
76 char *containerType = "time";
77 char *containerType1 = "time_for_children";
78
79 char *stack = (char *)mmap(NULL, STACK_SIZE, PROT_READ | PROT_WRITE, CLONE_STACK_MMAP_FLAG, -1, 0);
80 ASSERT_NE(stack, nullptr);
81 char *stackTop = stack + STACK_SIZE;
82
83 ret = unshare(CLONE_NEWTIME);
84 ASSERT_EQ(ret, 0);
85
86 auto linkBuffer = ReadlinkContainer(getpid(), containerType1);
87
88 int arg = CHILD_FUNC_ARG;
89 auto pid = clone(childFunc, stackTop, CLONE_NEWTIME | SIGCHLD, &arg);
90 ASSERT_TRUE(pid != -1);
91
92 ret = waitpid(pid, &status, 0);
93 ASSERT_EQ(ret, pid);
94
95 ret = WIFEXITED(status);
96 ASSERT_TRUE(ret != 0);
97
98 int exitCode = WEXITSTATUS(status);
99 ASSERT_EQ(exitCode, 0);
100 exit(0);
101 }
102
ItTimeContainer003(void)103 void ItTimeContainer003(void)
104 {
105 int status = 0;
106 auto pid = fork();
107 ASSERT_TRUE(pid != -1);
108 if (pid == 0) {
109 TimeContainerUnshare();
110 exit(EXIT_CODE_ERRNO_1);
111 }
112 auto ret = waitpid(pid, &status, 0);
113 ASSERT_EQ(ret, pid);
114 ret = WIFEXITED(status);
115 ASSERT_NE(ret, 0);
116 ret = WEXITSTATUS(status);
117 ASSERT_EQ(ret, 0);
118 }
119
120