1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright (c) Wipro Technologies Ltd, 2002.  All Rights Reserved.
4 * Author: Saji Kumar.V.R <saji.kumar@wipro.com>
5 *
6 * 2005/01/01: add an hint to a possible solution when test fails
7 * Ricky Ng-Adam <rngadam@yahoo.com>
8 *
9 * Copyright (c) Linux Test Project, 2003-2023
10 */
11
12/*\
13 * [Description]
14 *
15 * Test capset() with with LINUX_CAPABILITY_VERSION_{1,2,3}.
16 */
17
18#include <sys/types.h>
19#include <unistd.h>
20#include "tst_test.h"
21#include "lapi/syscalls.h"
22#include <linux/capability.h>
23
24static pid_t pid;
25static struct __user_cap_header_struct *header;
26static struct __user_cap_data_struct *data;
27static struct tcase {
28	int version;
29	char *message;
30} tcases[] = {
31	{0x19980330, "LINUX_CAPABILITY_VERSION_1"},
32	{0x20071026, "LINUX_CAPABILITY_VERSION_2"},
33	{0x20080522, "LINUX_CAPABILITY_VERSION_3"},
34};
35
36static void verify_capset(unsigned int n)
37{
38	struct tcase *tc = &tcases[n];
39
40	header->version = tc->version;
41	header->pid = pid;
42
43	TEST(tst_syscall(__NR_capget, header, data));
44	if (TST_RET == -1)
45	      tst_brk(TFAIL | TTERRNO, "capget() failed");
46
47	TST_EXP_PASS(tst_syscall(__NR_capset, header, data),
48	             "capset() with %s", tc->message);
49}
50
51static void setup(void)
52{
53	pid = getpid();
54}
55
56static struct tst_test test = {
57	.setup = setup,
58	.tcnt = ARRAY_SIZE(tcases),
59	.test = verify_capset,
60	.bufs = (struct tst_buffers []) {
61		{&header, .size = sizeof(*header)},
62		{&data, .size = 2 * sizeof(*data)},
63		{},
64	}
65};
66