tools/regression/priv/priv_vfs_chmod.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  * 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 }