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