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 <stdio.h>
17 #include <sys/capability.h>
18 #include "test.h"
19
20 /**
21 * @tc.name : capset_0100
22 * @tc.desc : Set capabilities of thread
23 * @tc.level : Level 0
24 */
capset_0100(void)25 void capset_0100(void)
26 {
27 struct __user_cap_header_struct cap_header;
28 struct __user_cap_data_struct cap_data;
29
30 cap_header.pid = getpid();
31 cap_header.version = _LINUX_CAPABILITY_VERSION_1;
32
33 if (capget(&cap_header, &cap_data) < 0) {
34 t_error("%s capget failed\n", __func__);
35 }
36
37 printf("capheader: %x %d\n", cap_header.version, cap_header.pid);
38 printf("capdata: %x %x %x\n", cap_data.effective, cap_data.permitted, cap_data.inheritable);
39
40 __u32 cap_mask = 0;
41 cap_mask |= (1 << CAP_NET_BIND_SERVICE);
42 cap_data.effective = cap_mask;
43 cap_data.permitted = cap_mask;
44 cap_data.inheritable = 0;
45
46 if (capset(&cap_header, &cap_data) < 0) {
47 t_error("%s capset failed\n", __func__);
48 }
49 printf("%d\n", capget(&cap_header, &cap_data));
50 printf("capheader: %x %d\n", cap_header.version, cap_header.pid);
51 printf("capdata: %x %x %x\n", cap_data.effective, cap_data.permitted, cap_data.inheritable);
52 }
53
main(int argc,char * argv[])54 int main(int argc, char *argv[])
55 {
56 capset_0100();
57 return t_status;
58 }