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1 /*
2  * Copyright (c) 2022 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #include <unistd.h>
17 
18 #include "test.h"
19 
20 /**
21  * @tc.name      : setresgid_0100
22  * @tc.desc      : set real, effective, and saved group ID
23  * @tc.level     : Level 0
24  */
setresgid_0100(void)25 void setresgid_0100(void)
26 {
27     gid_t crgid = 0;
28     gid_t cegid = 0;
29     gid_t csgid = 0;
30     int result = getresgid(&crgid, &cegid, &csgid);
31     if (result != 0) {
32         t_error("%s failed: result = %d\n", __func__, result);
33     }
34 
35     gid_t srgid = 1;
36     gid_t segid = 2;
37     gid_t ssgid = 3;
38     result = setresgid(srgid, segid, ssgid);
39     if (result != 0) {
40         t_error("%s failed: result = %d\n", __func__, result);
41     }
42 
43     gid_t rgid = 0;
44     gid_t egid = 0;
45     gid_t sgid = 0;
46     result = getresgid(&rgid, &egid, &sgid);
47     if (result != 0) {
48         t_error("%s failed: result = %d\n", __func__, result);
49     }
50 
51     if ((rgid != srgid) || (egid != segid) || (sgid != ssgid)) {
52         t_error("%s failed: rgid = %d\n", __func__, rgid);
53         t_error("%s failed: egid = %d\n", __func__, egid);
54         t_error("%s failed: sgid = %d\n", __func__, sgid);
55     }
56 
57     result = setresgid(crgid, cegid, csgid);
58     if (result != 0) {
59         t_error("%s failed: result = %d\n", __func__, result);
60     }
61 }
62 
63 /**
64  * @tc.name      : setresgid_0200
65  * @tc.desc      : set real, effective, and saved group ID with the current values
66  * @tc.level     : Level 1
67  */
setresgid_0200(void)68 void setresgid_0200(void)
69 {
70     gid_t crgid = 0;
71     gid_t cegid = 0;
72     gid_t csgid = 0;
73     int result = getresgid(&crgid, &cegid, &csgid);
74     if (result != 0) {
75         t_error("%s failed: result = %d\n", __func__, result);
76     }
77 
78     gid_t srgid = crgid;
79     gid_t segid = crgid;
80     gid_t ssgid = crgid;
81     result = setresgid(srgid, segid, ssgid);
82     if (result != 0) {
83         t_error("%s failed: result = %d\n", __func__, result);
84     }
85 
86     gid_t rgid = 0;
87     gid_t egid = 0;
88     gid_t sgid = 0;
89     result = getresgid(&rgid, &egid, &sgid);
90     if (result != 0) {
91         t_error("%s failed: result = %d\n", __func__, result);
92     }
93 
94     if ((rgid != srgid) || (egid != segid) || (sgid != ssgid)) {
95         t_error("%s failed: rgid = %d\n", __func__, rgid);
96         t_error("%s failed: egid = %d\n", __func__, egid);
97         t_error("%s failed: sgid = %d\n", __func__, sgid);
98     }
99 }
100 
main(int argc,char * argv[])101 int main(int argc, char *argv[])
102 {
103     setresgid_0100();
104     setresgid_0200();
105 
106     return t_status;
107 }
108