cap_test_sysctl.c revision 221431 
1/*-
2 * Copyright (c) 2008-2011 Robert N. M. Watson
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: head/tools/regression/security/cap_test/cap_test_sysctl.c 221431 2011-05-04 12:44:46Z jonathan $
27 */
28
29/*
30 * Test that various sysctls are (and aren't) available on capability mode.
31 */
32
33#include <sys/cdefs.h>
34__FBSDID("$FreeBSD: head/tools/regression/security/cap_test/cap_test_sysctl.c 221431 2011-05-04 12:44:46Z jonathan $");
35
36#include <sys/types.h>
37#include <sys/capability.h>
38#include <sys/sysctl.h>
39#include <sys/wait.h>
40
41#include <err.h>
42#include <errno.h>
43#include <stdio.h>
44#include <stdlib.h>
45#include <unistd.h>
46
47#include "cap_test.h"
48
49/*
50 * Certain sysctls are permitted in capability mode, but most are not.  Test
51 * for the ones that should be, and try one or two that shouldn't.
52 */
53void
54test_sysctl(void)
55{
56	int error, i, oid[2];
57	size_t len;
58
59	oid[0] = CTL_KERN;
60	oid[1] = KERN_OSRELDATE;
61	len = sizeof(i);
62	error = sysctl(oid, 2, &i, &len, NULL, 0);
63	if (error)
64		warnx("capmode and kern.osreldate failed error %d", errno);
65
66	exit(0);
67}
68