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 fhstatfs() require non-jailed privilege. We create
33 * a temporary file and grab the file handle using getfh() before starting.
34 */
35
36 #include <sys/param.h>
37 #include <sys/mount.h>
38
39 #include <err.h>
40 #include <errno.h>
41 #include <unistd.h>
42
43 #include "main.h"
44
45 static char fpath[1024];
46 static int fpath_initialized;
47 static fhandle_t fh;
48
49 int
priv_vfs_fhstatfs_setup(int asroot,int injail,struct test * test)50 priv_vfs_fhstatfs_setup(int asroot, int injail, struct test *test)
51 {
52
53 setup_file("priv_vfs_fhstatfs_setup: fpath", fpath, UID_ROOT,
54 GID_WHEEL, 0644);
55 fpath_initialized = 1;
56 if (getfh(fpath, &fh) < 0) {
57 warn("priv_vfs_fhstatfs_setup: getfh(%s)", fpath);
58 return (-1);
59 }
60 return (0);
61 }
62
63 void
priv_vfs_fhstatfs(int asroot,int injail,struct test * test)64 priv_vfs_fhstatfs(int asroot, int injail, struct test *test)
65 {
66 struct statfs sf;
67 int error;
68
69 error = fhstatfs(&fh, &sf);
70 if (asroot && injail)
71 expect("priv_vfs_fhstatfs(asroot, injail)", error, -1,
72 EPERM);
73 if (asroot && !injail)
74 expect("priv_vfs_fhstatfs(asroot, !injail)", error, 0, 0);
75 if (!asroot && injail)
76 expect("priv_vfs_fhstatfs(!asroot, injail)", error, -1,
77 EPERM);
78 if (!asroot && !injail)
79 expect("priv_vfs_fhstatfs(!asroot, !injail)", error, -1,
80 EPERM);
81 }
82
83 void
priv_vfs_fhstatfs_cleanup(int asroot,int injail,struct test * test)84 priv_vfs_fhstatfs_cleanup(int asroot, int injail, struct test *test)
85 {
86
87 if (fpath_initialized) {
88 (void)unlink(fpath);
89 fpath_initialized = 0;
90 }
91 }
92