1/*
2 * Check decoding of setns syscall.
3 *
4 * Copyright (c) 2016 Eugene Syromyatnikov <evgsyr@gmail.com>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. The name of the author may not be used to endorse or promote products
16 *    derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30#include "tests.h"
31
32#include <asm/unistd.h>
33
34#ifdef __NR_setns
35
36# include <stdio.h>
37# include <unistd.h>
38
39int
40main(void)
41{
42	static const kernel_ulong_t bogus_fd =
43		(kernel_ulong_t) 0xfeedfacedeadc0deULL;
44
45	static struct {
46		kernel_ulong_t val;
47		const char *str;
48	} nstypes[] = {
49		{ (kernel_ulong_t) 0xdefaced100000000ULL, "0" },
50		{ (kernel_ulong_t) 0xbadc0dedfeedfaceULL,
51			"0xfeedface /* CLONE_NEW??? */" },
52		{ (kernel_ulong_t) 0xca75f15702000000ULL, "CLONE_NEWCGROUP" },
53	};
54
55	long rc;
56	unsigned int i;
57
58	for (i = 0; i < ARRAY_SIZE(nstypes); i++) {
59		rc = syscall(__NR_setns, bogus_fd, nstypes[i].val);
60		printf("setns(%d, %s) = %s\n",
61			(int) bogus_fd, nstypes[i].str, sprintrc(rc));
62	}
63
64	puts("+++ exited with 0 +++");
65
66	return 0;
67}
68
69#else
70
71SKIP_MAIN_UNDEFINED("__NR_setns");
72
73#endif
74