priv_vfs_chroot.c revision 172106
1122394Sharti/*-
2122394Sharti * Copyright (c) 2006 nCircle Network Security, Inc.
3122394Sharti * Copyright (c) 2007 Robert N. M. Watson
4122394Sharti * All rights reserved.
5122394Sharti *
6122394Sharti * This software was developed by Robert N. M. Watson for the TrustedBSD
7133211Sharti * Project under contract to nCircle Network Security, Inc.
8216294Ssyrinx *
9216294Ssyrinx * Redistribution and use in source and binary forms, with or without
10216294Ssyrinx * modification, are permitted provided that the following conditions
11216294Ssyrinx * are met:
12216294Ssyrinx * 1. Redistributions of source code must retain the above copyright
13216294Ssyrinx *    notice, this list of conditions and the following disclaimer.
14133211Sharti * 2. Redistributions in binary form must reproduce the above copyright
15133211Sharti *    notice, this list of conditions and the following disclaimer in the
16133211Sharti *    documentation and/or other materials provided with the distribution.
17133211Sharti *
18133211Sharti * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19122394Sharti * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20122394Sharti * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21122394Sharti * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR, NCIRCLE NETWORK SECURITY,
22133211Sharti * INC., OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23133211Sharti * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
24133211Sharti * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
25133211Sharti * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
26133211Sharti * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
27133211Sharti * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
28133211Sharti * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29133211Sharti *
30133211Sharti * $FreeBSD: head/tools/regression/priv/priv_vfs_chroot.c 172106 2007-09-09 23:08:39Z rwatson $
31133211Sharti */
32133211Sharti
33133211Sharti/*
34122394Sharti * Test that chroot() requires privilege--do a no-op chroot() to "/".
35150920Sharti *
36122394Sharti * XXXRW: Would also be good to check fchroot() permission, but that is not
37122394Sharti * exposed via the BSD API.
38122394Sharti */
39122394Sharti
40122394Sharti#include <err.h>
41122394Sharti#include <errno.h>
42122394Sharti#include <unistd.h>
43122394Sharti
44122394Sharti#include "main.h"
45150920Sharti
46133211Shartiint
47150920Shartipriv_vfs_chroot_setup(int asroot, int injail, struct test *test)
48150920Sharti{
49150920Sharti
50122394Sharti	return (0);
51122394Sharti}
52122394Sharti
53122394Shartivoid
54122394Shartipriv_vfs_chroot(int asroot, int injail, struct test *test)
55122394Sharti{
56122394Sharti	int error;
57122394Sharti
58122394Sharti	error = chroot("/");
59122394Sharti	if (asroot && injail)
60122394Sharti		expect("priv_vfs_chroot(asroot, injail)", error, 0, 0);
61122394Sharti	if (asroot && !injail)
62122394Sharti		expect("priv_vfs_chroot(asroot, !injail)", error, 0, 0);
63122394Sharti	if (!asroot && injail)
64122394Sharti		expect("priv_vfs_chroot(!asroot, injail)", error, -1, EPERM);
65122394Sharti	if (!asroot && !injail)
66122394Sharti		expect("priv_vfs_chroot(!asroot, !injail)", error, -1, EPERM);
67122394Sharti}
68122394Sharti
69122394Shartivoid
70122394Shartipriv_vfs_chroot_cleanup(int asroot, int injail, struct test *test)
71122394Sharti{
72122394Sharti
73122394Sharti}
74122394Sharti