1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
/*-
* Copyright (c) 2006 nCircle Network Security, Inc.
* Copyright (c) 2007 Robert N. M. Watson
* All rights reserved.
*
* This software was developed by Robert N. M. Watson for the TrustedBSD
* Project under contract to nCircle Network Security, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR, NCIRCLE NETWORK SECURITY,
* INC., OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*/
/*
* Confirm that calls to fhstatfs() require non-jailed privilege. We create
* a temporary file and grab the file handle using getfh() before starting.
*/
#include <sys/param.h>
#include <sys/mount.h>
#include <err.h>
#include <errno.h>
#include <unistd.h>
#include "main.h"
static char fpath[1024];
static int fpath_initialized;
static fhandle_t fh;
int
priv_vfs_fhstatfs_setup(int asroot, int injail, struct test *test)
{
setup_file("priv_vfs_fhstatfs_setup: fpath", fpath, UID_ROOT,
GID_WHEEL, 0644);
fpath_initialized = 1;
if (getfh(fpath, &fh) < 0) {
warn("priv_vfs_fhstatfs_setup: getfh(%s)", fpath);
return (-1);
}
return (0);
}
void
priv_vfs_fhstatfs(int asroot, int injail, struct test *test)
{
struct statfs sf;
int error;
error = fhstatfs(&fh, &sf);
if (asroot && injail)
expect("priv_vfs_fhstatfs(asroot, injail)", error, -1,
EPERM);
if (asroot && !injail)
expect("priv_vfs_fhstatfs(asroot, !injail)", error, 0, 0);
if (!asroot && injail)
expect("priv_vfs_fhstatfs(!asroot, injail)", error, -1,
EPERM);
if (!asroot && !injail)
expect("priv_vfs_fhstatfs(!asroot, !injail)", error, -1,
EPERM);
}
void
priv_vfs_fhstatfs_cleanup(int asroot, int injail, struct test *test)
{
if (fpath_initialized) {
(void)unlink(fpath);
fpath_initialized = 0;
}
}
|
