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: stable/12/tools/regression/priv/priv_vfs_fhstatfs.c 172106 2007-09-09 23:08:39Z rwatson $
31 */
32
33 /*
34 * Confirm that calls to fhstatfs() require non-jailed privilege. We create
35 * a temporary file and grab the file handle using getfh() before starting.
36 */
37
38 #include <sys/param.h>
39 #include <sys/mount.h>
40
41 #include <err.h>
42 #include <errno.h>
43 #include <unistd.h>
44
45 #include "main.h"
46
47 static char fpath[1024];
48 static int fpath_initialized;
49 static fhandle_t fh;
50
51 int
priv_vfs_fhstatfs_setup(int asroot,int injail,struct test * test)52 priv_vfs_fhstatfs_setup(int asroot, int injail, struct test *test)
53 {
54
55 setup_file("priv_vfs_fhstatfs_setup: fpath", fpath, UID_ROOT,
56 GID_WHEEL, 0644);
57 fpath_initialized = 1;
58 if (getfh(fpath, &fh) < 0) {
59 warn("priv_vfs_fhstatfs_setup: getfh(%s)", fpath);
60 return (-1);
61 }
62 return (0);
63 }
64
65 void
priv_vfs_fhstatfs(int asroot,int injail,struct test * test)66 priv_vfs_fhstatfs(int asroot, int injail, struct test *test)
67 {
68 struct statfs sf;
69 int error;
70
71 error = fhstatfs(&fh, &sf);
72 if (asroot && injail)
73 expect("priv_vfs_fhstatfs(asroot, injail)", error, -1,
74 EPERM);
75 if (asroot && !injail)
76 expect("priv_vfs_fhstatfs(asroot, !injail)", error, 0, 0);
77 if (!asroot && injail)
78 expect("priv_vfs_fhstatfs(!asroot, injail)", error, -1,
79 EPERM);
80 if (!asroot && !injail)
81 expect("priv_vfs_fhstatfs(!asroot, !injail)", error, -1,
82 EPERM);
83 }
84
85 void
priv_vfs_fhstatfs_cleanup(int asroot,int injail,struct test * test)86 priv_vfs_fhstatfs_cleanup(int asroot, int injail, struct test *test)
87 {
88
89 if (fpath_initialized) {
90 (void)unlink(fpath);
91 fpath_initialized = 0;
92 }
93 }
94