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 #include "sys/utsname.h"
32
ChildFunc(void * arg)33 static int ChildFunc(void *arg)
34 {
35 int ret;
36 int value = *((int*)arg);
37 if (value != CHILD_FUNC_ARG) {
38 return EXIT_CODE_ERRNO_1;
39 }
40 sleep(1);
41
42 struct utsname newName;
43 ret = uname(&newName);
44 if (ret != 0) {
45 return EXIT_CODE_ERRNO_2;
46 }
47
48 const char *name = "TestHostName";
49 ret = sethostname(name, strlen(name));
50 if (ret != 0) {
51 return EXIT_CODE_ERRNO_3;
52 }
53
54 struct utsname newName1;
55 ret = uname(&newName1);
56 if (ret != 0) {
57 return EXIT_CODE_ERRNO_4;
58 }
59
60 ret = strcmp(newName.nodename, newName1.nodename);
61 if (ret == 0) {
62 return EXIT_CODE_ERRNO_5;
63 }
64
65 return 0;
66 }
67
ItUtsContainer002(void)68 void ItUtsContainer002(void)
69 {
70 int ret;
71 char *stack = (char*)mmap(NULL, STACK_SIZE, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_STACK, -1, 0);
72 ASSERT_TRUE(stack != NULL);
73 char *stackTop = stack + STACK_SIZE;
74
75 struct utsname oldName;
76 ret = uname(&oldName);
77 ASSERT_EQ(ret, 0);
78
79 int arg = CHILD_FUNC_ARG;
80 auto pid = clone(ChildFunc, stackTop, CLONE_NEWUTS, &arg);
81 (void)munmap(stack, STACK_SIZE);
82 ASSERT_NE(pid, -1);
83
84 int status;
85 ret = waitpid(pid, &status, 0);
86 ASSERT_EQ(ret, pid);
87
88 int exitCode = WEXITSTATUS(status);
89 ASSERT_EQ(exitCode, 0);
90
91 struct utsname oldName1;
92 ret = uname(&oldName1);
93 ASSERT_EQ(ret, 0);
94
95 ret = strcmp(oldName.nodename, oldName1.nodename);
96 ASSERT_EQ(ret, 0);
97 }
98