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 calls to fhstat() require non-jailed privilege. We create a
33 * temporary file and grab the file handle using getfh() before starting.
34 */
35
36 #include <sys/param.h>
37 #include <sys/mount.h>
38 #include <sys/stat.h>
39
40 #include <err.h>
41 #include <errno.h>
42 #include <unistd.h>
43
44 #include "main.h"
45
46 static char fpath[1024];
47 static int fpath_initialized;
48 static fhandle_t fh;
49
50 int
priv_vfs_fhstat_setup(int asroot,int injail,struct test * test)51 priv_vfs_fhstat_setup(int asroot, int injail, struct test *test)
52 {
53
54 setup_file("priv_vfs_fhstat_setup: fpath", fpath, UID_ROOT,
55 GID_WHEEL, 0644);
56 fpath_initialized = 1;
57 if (getfh(fpath, &fh) < 0) {
58 warn("priv_vfs_fhstat_setup: getfh(%s)", fpath);
59 return (-1);
60 }
61 return (0);
62 }
63
64 void
priv_vfs_fhstat(int asroot,int injail,struct test * test)65 priv_vfs_fhstat(int asroot, int injail, struct test *test)
66 {
67 struct stat sb;
68 int error;
69
70 error = fhstat(&fh, &sb);
71 if (asroot && injail)
72 expect("priv_vfs_fhstat(asroot, injail)", error, -1, EPERM);
73 if (asroot && !injail)
74 expect("priv_vfs_fhstat(asroot, !injail)", error, 0, 0);
75 if (!asroot && injail)
76 expect("priv_vfs_fhstat(!asroot, injail)", error, -1, EPERM);
77 if (!asroot && !injail)
78 expect("priv_vfs_fhstat(!asroot, !injail)", error, -1, EPERM);
79 }
80
81 void
priv_vfs_fhstat_cleanup(int asroot,int injail,struct test * test)82 priv_vfs_fhstat_cleanup(int asroot, int injail, struct test *test)
83 {
84
85 if (fpath_initialized) {
86 (void)unlink(fpath);
87 fpath_initialized = 0;
88 }
89 }
90