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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 
32 /*
33  * mount container unshare test: unshare in current pcb with NEW_NS
34  */
MntContainerUnshare(void)35 static void MntContainerUnshare(void)
36 {
37     int ret;
38 
39     ret = access(ACCESS_FILE_NAME, F_OK);
40     ASSERT_EQ(ret, 0);
41 
42     ret = unshare(CLONE_NEWNS);
43     ASSERT_EQ(ret, 0);
44 
45     ret = access(ACCESS_FILE_NAME, F_OK);
46     ASSERT_EQ(ret, 0);
47 
48     ret = umount(USERDATA_DIR_NAME);
49     ASSERT_EQ(ret, 0);
50 
51     ret = access(ACCESS_FILE_NAME, F_OK);
52     ASSERT_NE(ret, 0);
53 
54     ret = mount(USERDATA_DEV_NAME, USERDATA_DIR_NAME, FS_TYPE, 0, nullptr);
55     ASSERT_EQ(ret, 0);
56 
57     ret = access(ACCESS_FILE_NAME, F_OK);
58     ASSERT_EQ(ret, 0);
59     exit(0);
60 }
61 
ItMntContainer005(void)62 void ItMntContainer005(void)
63 {
64     int status = 0;
65     auto pid = fork();
66     ASSERT_TRUE(pid != -1);
67     if (pid == 0) {
68         MntContainerUnshare();
69         exit(EXIT_CODE_ERRNO_1);
70     }
71     auto ret = waitpid(pid, &status, 0);
72     ASSERT_EQ(ret, pid);
73     ret = WIFEXITED(status);
74     ASSERT_NE(ret, 0);
75     ret = WEXITSTATUS(status);
76     ASSERT_EQ(ret, 0);
77 }
78