tools/regression/priv/priv_vfs_utimes.c

   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  * Test NULL and non-NULL tv arguments to utimes() -- if NULL, then it is
  35  * allowed without privilege if the owner or if write access is held.  If
  36  * non-NULL, privilege is required even if writable.
  37  */
  38
  39 #include <sys/types.h>
  40 #include <sys/stat.h>
  41
  42 #include <err.h>
  43 #include <errno.h>
  44 #include <stdlib.h>
  45 #include <string.h>
  46 #include <unistd.h>
  47
  48 #include "main.h"
  49
  50 static char fpath[1024];
  51 static int fpath_initialized;
  52
  53 int
  54 priv_vfs_utimes_froot_setup(int asroot, int injail, struct test *test)
  55 {
  56
  57         setup_file("priv_vfs_utimes_froot_setup: fpath", fpath,
  58             UID_ROOT, GID_WHEEL, 0600);
  59         fpath_initialized = 1;
  60         return (0);
  61 }
  62
  63 int
  64 priv_vfs_utimes_fowner_setup(int asroot, int injail, struct test *test)
  65 {
  66
  67         setup_file("priv_vfs_utimes_fowner_setup: fpath", fpath,
  68             UID_OWNER, GID_OWNER, 0600);
  69         fpath_initialized = 1;
  70         return (0);
  71 }
  72
  73 int
  74 priv_vfs_utimes_fother_setup(int asroot, int injail, struct test *test)
  75 {
  76
  77         /*
  78          * In the 'other' case, we make the file writable by the test user so
  79          * we can evaluate the difference between setting the time to NULL,
  80          * which is possible as a writer, and non-NULL, which requires
  81          * ownership.
  82          */
  83         setup_file("priv_vfs_utimes_fother_setup: fpath", fpath,
  84             UID_OTHER, GID_OTHER, 0666);
  85         fpath_initialized = 1;
  86         return (0);
  87 }
  88
  89 void
  90 priv_vfs_utimes_froot(int asroot, int injail, struct test *test)
  91 {
  92         struct timeval tv[2];
  93         int error;
  94
  95         tv[0].tv_sec = 0;
  96         tv[0].tv_usec = 0;
  97         tv[1].tv_sec = 0;
  98         tv[1].tv_usec = 0;
  99         error = utimes(fpath, tv);
 100         if (asroot && injail)
 101                 expect("priv_vfs_utimes_froot(root, jail)", error, 0, 0);
 102         if (asroot && !injail)
 103                 expect("priv_vfs_utimes_froot(root, !jail)", error, 0, 0);
 104         if (!asroot && injail)
 105                 expect("priv_vfs_utimes_froot(!root, jail)", error, -1,
 106                     EPERM);
 107         if (!asroot && !injail)
 108                 expect("priv_vfs_utimes_froot(!root, !jail)", error, -1,
 109                     EPERM);
 110 }
 111
 112 void
 113 priv_vfs_utimes_froot_null(int asroot, int injail, struct test *test)
 114 {
 115         int error;
 116
 117         error = utimes(fpath, NULL);
 118         if (asroot && injail)
 119                 expect("priv_vfs_utimes_froot_null(root, jail)", error, 0,
 120                     0);
 121         if (asroot && !injail)
 122                 expect("priv_vfs_utimes_froot_null(root, !jail)", error, 0,
 123                     0);
 124         if (!asroot && injail)
 125                 expect("priv_vfs_utimes_froot_null(!root, jail)", error, -1,
 126                     EACCES);
 127         if (!asroot && !injail)
 128                 expect("priv_vfs_utimes_froot_null(!root, !jail)", error, -1,
 129                     EACCES);
 130 }
 131
 132 void
 133 priv_vfs_utimes_fowner(int asroot, int injail, struct test *test)
 134 {
 135         struct timeval tv[2];
 136         int error;
 137
 138         tv[0].tv_sec = 0;
 139         tv[0].tv_usec = 0;
 140         tv[1].tv_sec = 0;
 141         tv[1].tv_usec = 0;
 142         error = utimes(fpath, tv);
 143         if (asroot && injail)
 144                 expect("priv_vfs_utimes_fowner(root, jail)", error, 0, 0);
 145         if (asroot && !injail)
 146                 expect("priv_vfs_utimes_fowner(root, !jail)", error, 0, 0);
 147         if (!asroot && injail)
 148                 expect("priv_vfs_utimes_fowner(!root, jail)", error, 0, 0);
 149         if (!asroot && !injail)
 150                 expect("priv_vfs_utimes_fowner(!root, !jail)", error, 0, 0);
 151 }
 152
 153 void
 154 priv_vfs_utimes_fowner_null(int asroot, int injail, struct test *test)
 155 {
 156         int error;
 157
 158         error = utimes(fpath, NULL);
 159         if (asroot && injail)
 160                 expect("priv_vfs_utimes_fowner_null(root, jail)", error, 0,
 161                     0);
 162         if (asroot && !injail)
 163                 expect("priv_vfs_utimes_fowner_null(root, !jail)", error, 0,
 164                     0);
 165         if (!asroot && injail)
 166                 expect("priv_vfs_utimes_fowner_null(!root, jail)", error, 0,
 167                     0);
 168         if (!asroot && !injail)
 169                 expect("priv_vfs_utimes_fowner_null(!root, !jail)", error, 0,
 170                     0);
 171 }
 172
 173 void
 174 priv_vfs_utimes_fother(int asroot, int injail, struct test *test)
 175 {
 176         struct timeval tv[2];
 177         int error;
 178
 179         tv[0].tv_sec = 0;
 180         tv[0].tv_usec = 0;
 181         tv[1].tv_sec = 0;
 182         tv[1].tv_usec = 0;
 183         error = utimes(fpath, tv);
 184         if (asroot && injail)
 185                 expect("priv_vfs_utimes_fother(root, jail)", error, 0, 0);
 186         if (asroot && !injail)
 187                 expect("priv_vfs_utimes_fother(root, !jail)", error, 0, 0);
 188         if (!asroot && injail)
 189                 expect("priv_vfs_utimes_fother(!root, jail)", error, -1,
 190                     EPERM);
 191         if (!asroot && !injail)
 192                 expect("priv_vfs_utimes_fother(!root, !jail)", error, -1,
 193                     EPERM);
 194 }
 195
 196 void
 197 priv_vfs_utimes_fother_null(int asroot, int injail, struct test *test)
 198 {
 199         int error;
 200
 201         error = utimes(fpath, NULL);
 202         if (asroot && injail)
 203                 expect("priv_vfs_utimes_fother_null(root, jail)", error, 0,
 204                     0);
 205         if (asroot && !injail)
 206                 expect("priv_vfs_utimes_fother_null(root, !jail)", error, 0,
 207                     0);
 208         if (!asroot && injail)
 209                 expect("priv_vfs_utimes_fother_null(!root, jail)", error, 0,
 210                     0);
 211         if (!asroot && !injail)
 212                 expect("priv_vfs_utimes_fother_null(!root, !jail)", error, 0,
 213                     0);
 214 }
 215
 216 void
 217 priv_vfs_utimes_cleanup(int asroot, int injail, struct test *test)
 218 {
 219
 220         if (fpath_initialized) {
 221                 (void)unlink(fpath);
 222                 fpath_initialized = 0;
 223         }
 224 }