1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) 2020 FUJITSU LIMITED. All rights reserved.
* Copyright (c) Linux Test Project, 2020-2023
* Author: Yang Xu <xuyang2018.jy@cn.fujitsu.com>
*/
/*\
* [Description]
*
* capset() fails with errno set or EPERM if the new_Inheritable is
* not a subset of old_Inheritable and old_Permitted without CAP_SETPCAP.
*/
#include <stdlib.h>
#include <sys/types.h>
#include <unistd.h>
#include "tst_test.h"
#include "lapi/syscalls.h"
#include <linux/capability.h>
#define CAP1 (1 << CAP_KILL)
#define CAP2 (CAP1 | 1 << CAP_NET_RAW)
static struct __user_cap_header_struct *header;
static struct __user_cap_data_struct *data;
static void verify_capset(void)
{
tst_res(TINFO, "Test bad value data(when pI is not old pP or old pI without CAP_SETPCAP)");
data[0].inheritable = CAP2;
TST_EXP_FAIL(tst_syscall(__NR_capset, header, data), EPERM, "capset()");
}
static void setup(void)
{
header->version = 0x20080522;
data[0].effective = CAP1;
data[0].permitted = CAP1;
data[0].inheritable = CAP1;
TEST(tst_syscall(__NR_capset, header, data));
if (TST_RET == -1)
tst_brk(TBROK | TTERRNO, "capset data failed");
}
static struct tst_test test = {
.setup = setup,
.test_all = verify_capset,
.needs_root = 1,
.bufs = (struct tst_buffers []) {
{&header, .size = sizeof(*header)},
{&data, .size = 2 * sizeof(*data)},
{},
}
};
|
