1 /*- 2 * Copyright (c) 2006 nCircle Network Security, Inc. 3 * Copyright (c) 2007 Robert N. M. Watson 4 * All rights reserved. 5 * 6 * This software was developed by Robert N. M. Watson for the TrustedBSD 7 * Project under contract to nCircle Network Security, Inc. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR, NCIRCLE NETWORK SECURITY, 22 * INC., OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 24 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 25 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 26 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 27 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 28 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 /* 32 * Confirm that privilege is required to invoke adjtime(); first query, then 33 * try setting with and without privilege. Hopefully this will not disturb 34 * system time too much. 35 */ 36 37 #include <sys/time.h> 38 39 #include <err.h> 40 #include <errno.h> 41 #include <unistd.h> 42 43 #include "main.h" 44 45 static int initialized; 46 static struct timeval query_tv; 47 48 int 49 priv_adjtime_setup(int asroot, int injail, struct test *test) 50 { 51 52 if (initialized) 53 return (0); 54 if (adjtime(NULL, &query_tv) < 0) { 55 warn("priv_adjtime_setup: adjtime(NULL)"); 56 return (-1); 57 } 58 initialized = 1; 59 return (0); 60 } 61 62 void 63 priv_adjtime_set(int asroot, int injail, struct test *test) 64 { 65 int error; 66 67 error = adjtime(&query_tv, NULL); 68 if (asroot && injail) 69 expect("priv_adjtime(asroot, injail)", error, -1, EPERM); 70 if (asroot && !injail) 71 expect("priv_adjtime(asroot, !injail)", error, 0, 0); 72 if (!asroot && injail) 73 expect("priv_adjtime(!asroot, injail)", error, -1, EPERM); 74 if (!asroot && !injail) 75 expect("priv_adjtime(!asroot, !injail)", error, -1, EPERM); 76 } 77 78 void 79 priv_adjtime_cleanup(int asroot, int injail, struct test *test) 80 { 81 82 } 83