priv_settimeofday.c revision 172106
1162271Srwatson/*- 2162271Srwatson * Copyright (c) 2006 nCircle Network Security, Inc. 3172106Srwatson * Copyright (c) 2007 Robert N. M. Watson 4162271Srwatson * All rights reserved. 5162271Srwatson * 6162271Srwatson * This software was developed by Robert N. M. Watson for the TrustedBSD 7162271Srwatson * Project under contract to nCircle Network Security, Inc. 8162271Srwatson * 9162271Srwatson * Redistribution and use in source and binary forms, with or without 10162271Srwatson * modification, are permitted provided that the following conditions 11162271Srwatson * are met: 12162271Srwatson * 1. Redistributions of source code must retain the above copyright 13162271Srwatson * notice, this list of conditions and the following disclaimer. 14162271Srwatson * 2. Redistributions in binary form must reproduce the above copyright 15162271Srwatson * notice, this list of conditions and the following disclaimer in the 16162271Srwatson * documentation and/or other materials provided with the distribution. 17162271Srwatson * 18162271Srwatson * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19162271Srwatson * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20162271Srwatson * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21162271Srwatson * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR, NCIRCLE NETWORK SECURITY, 22162271Srwatson * INC., OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23162271Srwatson * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 24162271Srwatson * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 25162271Srwatson * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 26162271Srwatson * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 27162271Srwatson * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 28162271Srwatson * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29162271Srwatson * 30162271Srwatson * $FreeBSD: head/tools/regression/priv/priv_settimeofday.c 172106 2007-09-09 23:08:39Z rwatson $ 31162271Srwatson */ 32162271Srwatson 33162271Srwatson/* 34162271Srwatson * Confirm that privilege is required to invoke settimeofday(). So as not 35162271Srwatson * to mess up the clock too much, first query the time, then immediately set 36162271Srwatson * it. 37162271Srwatson */ 38162271Srwatson 39162271Srwatson#include <sys/time.h> 40162271Srwatson 41162271Srwatson#include <err.h> 42162271Srwatson#include <errno.h> 43162271Srwatson#include <unistd.h> 44162271Srwatson 45162271Srwatson#include "main.h" 46162271Srwatson 47172106Srwatsonstatic struct timeval now; 48172106Srwatson 49172106Srwatsonint 50172106Srwatsonpriv_settimeofday_setup(int asroot, int injail, struct test *test) 51172106Srwatson{ 52172106Srwatson 53172106Srwatson if (gettimeofday(&now, NULL) < 0) { 54172106Srwatson warn("priv_settimeofday_setup: gettimeofday"); 55172106Srwatson return (-1); 56172106Srwatson } 57172106Srwatson return (0); 58172106Srwatson} 59172106Srwatson 60162271Srwatsonvoid 61172106Srwatsonpriv_settimeofday(int asroot, int injail, struct test *test) 62162271Srwatson{ 63162271Srwatson int error; 64162271Srwatson 65172106Srwatson error = settimeofday(&now, NULL); 66172106Srwatson if (asroot && injail) 67172106Srwatson expect("priv_settimeofday(asroot, injail)", error, -1, 68172106Srwatson EPERM); 69172106Srwatson if (asroot && !injail) 70172106Srwatson expect("priv_settimeofday(asroot, !injail)", error, 0, 0); 71172106Srwatson if (!asroot && injail) 72172106Srwatson expect("priv_settimeofday(!asroot, injail)", error, -1, 73172106Srwatson EPERM); 74172106Srwatson if (!asroot && !injail) 75172106Srwatson expect("priv_settimeofday(!asroot, !injail)", error, -1, 76172106Srwatson EPERM); 77172106Srwatson} 78162271Srwatson 79172106Srwatsonvoid 80172106Srwatsonpriv_settimeofday_cleanup(int asroot, int injail, struct test *test) 81172106Srwatson{ 82162271Srwatson 83162271Srwatson} 84