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
  31 /*
  32  * Test NULL and non-NULL tv arguments to utimes() -- if NULL, then it is
  33  * allowed without privilege if the owner or if write access is held.  If
  34  * non-NULL, privilege is required even if writable.
  35  */
  36
  37 #include <sys/types.h>
  38 #include <sys/stat.h>
  39
  40 #include <err.h>
  41 #include <errno.h>
  42 #include <stdlib.h>
  43 #include <string.h>
  44 #include <unistd.h>
  45
  46 #include "main.h"
  47
  48 static char fpath[1024];
  49 static int fpath_initialized;
  50
  51 int
  52 priv_vfs_utimes_froot_setup(int asroot, int injail, struct test *test)
  53 {
  54
  55         setup_file("priv_vfs_utimes_froot_setup: fpath", fpath,
  56             UID_ROOT, GID_WHEEL, 0600);
  57         fpath_initialized = 1;
  58         return (0);
  59 }
  60
  61 int
  62 priv_vfs_utimes_fowner_setup(int asroot, int injail, struct test *test)
  63 {
  64
  65         setup_file("priv_vfs_utimes_fowner_setup: fpath", fpath,
  66             UID_OWNER, GID_OWNER, 0600);
  67         fpath_initialized = 1;
  68         return (0);
  69 }
  70
  71 int
  72 priv_vfs_utimes_fother_setup(int asroot, int injail, struct test *test)
  73 {
  74
  75         /*
  76          * In the 'other' case, we make the file writable by the test user so
  77          * we can evaluate the difference between setting the time to NULL,
  78          * which is possible as a writer, and non-NULL, which requires
  79          * ownership.
  80          */
  81         setup_file("priv_vfs_utimes_fother_setup: fpath", fpath,
  82             UID_OTHER, GID_OTHER, 0666);
  83         fpath_initialized = 1;
  84         return (0);
  85 }
  86
  87 void
  88 priv_vfs_utimes_froot(int asroot, int injail, struct test *test)
  89 {
  90         struct timeval tv[2];
  91         int error;
  92
  93         tv[0].tv_sec = 0;
  94         tv[0].tv_usec = 0;
  95         tv[1].tv_sec = 0;
  96         tv[1].tv_usec = 0;
  97         error = utimes(fpath, tv);
  98         if (asroot && injail)
  99                 expect("priv_vfs_utimes_froot(root, jail)", error, 0, 0);
 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, -1,
 104                     EPERM);
 105         if (!asroot && !injail)
 106                 expect("priv_vfs_utimes_froot(!root, !jail)", error, -1,
 107                     EPERM);
 108 }
 109
 110 void
 111 priv_vfs_utimes_froot_null(int asroot, int injail, struct test *test)
 112 {
 113         int error;
 114
 115         error = utimes(fpath, NULL);
 116         if (asroot && injail)
 117                 expect("priv_vfs_utimes_froot_null(root, jail)", error, 0,
 118                     0);
 119         if (asroot && !injail)
 120                 expect("priv_vfs_utimes_froot_null(root, !jail)", error, 0,
 121                     0);
 122         if (!asroot && injail)
 123                 expect("priv_vfs_utimes_froot_null(!root, jail)", error, -1,
 124                     EACCES);
 125         if (!asroot && !injail)
 126                 expect("priv_vfs_utimes_froot_null(!root, !jail)", error, -1,
 127                     EACCES);
 128 }
 129
 130 void
 131 priv_vfs_utimes_fowner(int asroot, int injail, struct test *test)
 132 {
 133         struct timeval tv[2];
 134         int error;
 135
 136         tv[0].tv_sec = 0;
 137         tv[0].tv_usec = 0;
 138         tv[1].tv_sec = 0;
 139         tv[1].tv_usec = 0;
 140         error = utimes(fpath, tv);
 141         if (asroot && injail)
 142                 expect("priv_vfs_utimes_fowner(root, jail)", error, 0, 0);
 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 }
 150
 151 void
 152 priv_vfs_utimes_fowner_null(int asroot, int injail, struct test *test)
 153 {
 154         int error;
 155
 156         error = utimes(fpath, NULL);
 157         if (asroot && injail)
 158                 expect("priv_vfs_utimes_fowner_null(root, jail)", error, 0,
 159                     0);
 160         if (asroot && !injail)
 161                 expect("priv_vfs_utimes_fowner_null(root, !jail)", error, 0,
 162                     0);
 163         if (!asroot && injail)
 164                 expect("priv_vfs_utimes_fowner_null(!root, jail)", error, 0,
 165                     0);
 166         if (!asroot && !injail)
 167                 expect("priv_vfs_utimes_fowner_null(!root, !jail)", error, 0,
 168                     0);
 169 }
 170
 171 void
 172 priv_vfs_utimes_fother(int asroot, int injail, struct test *test)
 173 {
 174         struct timeval tv[2];
 175         int error;
 176
 177         tv[0].tv_sec = 0;
 178         tv[0].tv_usec = 0;
 179         tv[1].tv_sec = 0;
 180         tv[1].tv_usec = 0;
 181         error = utimes(fpath, tv);
 182         if (asroot && injail)
 183                 expect("priv_vfs_utimes_fother(root, jail)", error, 0, 0);
 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, -1,
 188                     EPERM);
 189         if (!asroot && !injail)
 190                 expect("priv_vfs_utimes_fother(!root, !jail)", error, -1,
 191                     EPERM);
 192 }
 193
 194 void
 195 priv_vfs_utimes_fother_null(int asroot, int injail, struct test *test)
 196 {
 197         int error;
 198
 199         error = utimes(fpath, NULL);
 200         if (asroot && injail)
 201                 expect("priv_vfs_utimes_fother_null(root, jail)", error, 0,
 202                     0);
 203         if (asroot && !injail)
 204                 expect("priv_vfs_utimes_fother_null(root, !jail)", error, 0,
 205                     0);
 206         if (!asroot && injail)
 207                 expect("priv_vfs_utimes_fother_null(!root, jail)", error, 0,
 208                     0);
 209         if (!asroot && !injail)
 210                 expect("priv_vfs_utimes_fother_null(!root, !jail)", error, 0,
 211                     0);
 212 }
 213
 214 void
 215 priv_vfs_utimes_cleanup(int asroot, int injail, struct test *test)
 216 {
 217
 218         if (fpath_initialized) {
 219                 (void)unlink(fpath);
 220                 fpath_initialized = 0;
 221         }
 222 }