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 * $FreeBSD$ 31 */ 32 33 /* 34 * Check that we must either be running as root or the owner of the file in 35 * order to modify permissions on the file. 36 */ 37 38 #include <sys/types.h> 39 #include <sys/stat.h> 40 41 #include <err.h> 42 #include <errno.h> 43 #include <stdlib.h> 44 #include <string.h> 45 #include <unistd.h> 46 47 #include "main.h" 48 49 static char fpath[1024]; 50 static int fpath_initialized; 51 52 int 53 priv_vfs_chmod_froot_setup(int asroot, int injail, struct test *test) 54 { 55 56 setup_file("priv_vfs_chmod_setup: fpath", fpath, UID_ROOT, GID_WHEEL, 57 0600); 58 fpath_initialized = 1; 59 return (0); 60 } 61 62 int 63 priv_vfs_chmod_fowner_setup(int asroot, int injail, struct test *test) 64 { 65 66 setup_file("priv_vfs_chmod_setup: fpath", fpath, UID_OWNER, 67 GID_OWNER, 0600); 68 fpath_initialized = 1; 69 return (0); 70 } 71 72 int 73 priv_vfs_chmod_fother_setup(int asroot, int injail, struct test *test) 74 { 75 76 setup_file("priv_vfs_chmod_setup: fpath", fpath, UID_OTHER, 77 GID_OTHER, 0600); 78 fpath_initialized = 1; 79 return (0); 80 } 81 82 void 83 priv_vfs_chmod_froot(int asroot, int injail, struct test *test) 84 { 85 int error; 86 87 error = chmod(fpath, 0640); 88 if (asroot && injail) 89 expect("priv_vfs_chmod_froot(asroot, injail)", error, 0, 0); 90 if (asroot && !injail) 91 expect("priv_vfs_chmod_froot(asroot, !injail)", error, 0, 0); 92 if (!asroot && injail) 93 expect("priv_vfs_chmod_froot(!asroot, injail)", error, -1, 94 EPERM); 95 if (!asroot && !injail) 96 expect("priv_vfs_chmod_froot(!asroot, !injail)", error, -1, 97 EPERM); 98 } 99 100 void 101 priv_vfs_chmod_fowner(int asroot, int injail, struct test *test) 102 { 103 int error; 104 105 error = chmod(fpath, 0640); 106 if (asroot && injail) 107 expect("priv_vfs_chmod_fowner(asroot, injail)", error, 0, 0); 108 if (asroot && !injail) 109 expect("priv_vfs_chmod_fowner(asroot, !injail)", error, 0, 110 0); 111 if (!asroot && injail) 112 expect("priv_vfs_chmod_fowner(!asroot, injail)", error, 0, 113 0); 114 if (!asroot && !injail) 115 expect("priv_vfs_chmod_fowner(!asroot, !injail)", error, 0, 116 0); 117 } 118 119 void 120 priv_vfs_chmod_fother(int asroot, int injail, struct test *test) 121 { 122 int error; 123 124 error = chmod(fpath, 0640); 125 if (asroot && injail) 126 expect("priv_vfs_chmod_fother(asroot, injail)", error, 0, 0); 127 if (asroot && !injail) 128 expect("priv_vfs_chmod_fother(asroot, !injail)", error, 0, 129 0); 130 if (!asroot && injail) 131 expect("priv_vfs_chmod_fother(!asroot, injail)", error, -1, 132 EPERM); 133 if (!asroot && !injail) 134 expect("priv_vfs_chmod_fother(!asroot, !injail)", error, -1, 135 EPERM); 136 } 137 138 void 139 priv_vfs_chmod_cleanup(int asroot, int injail, struct test *test) 140 { 141 142 if (fpath_initialized) { 143 (void)unlink(fpath); 144 fpath_initialized = 0; 145 } 146 } 147