2 * Copyright (c) 2006 nCircle Network Security, Inc.
5 * This software was developed by Robert N. M. Watson for the TrustedBSD
6 * Project under contract to nCircle Network Security, Inc.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR, NCIRCLE NETWORK SECURITY,
21 * INC., OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
23 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
24 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
25 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
26 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
27 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 * Confirm that calls to fhstatfs() require privilege, trying with, and
34 * without. We create a temporary file and grab the file handle using
35 * getfh() before starting.
38 #include <sys/param.h>
39 #include <sys/mount.h>
48 priv_vfs_fhstatfs(void)
57 setup_file(fpath, UID_ROOT, GID_WHEEL, 0644);
59 if (getfh(fpath, &fh) < 0) {
60 warn("getfh(%s)", fpath);
65 * First, try with privilege.
67 if (fhstatfs(&fh, &sf) < 0) {
68 warn("fhstatfs(%s) as root", fpath);
73 * Now, without privilege.
77 error = fhstatfs(&fh, &sf);
79 warnx("fhstatfs(%s) succeeded as !root", fpath);
83 warn("fhstatfs(%s) wrong errno %d as !root", fpath, errno);