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 * $FreeBSD$
31 */
32
33/*
34 * Check that we must either be running as root or the owner of the file in
35 * order to modify permissions on the file.
36 */
37
38#include <sys/types.h>
39#include <sys/stat.h>
40
41#include <err.h>
42#include <errno.h>
43#include <stdlib.h>
44#include <string.h>
45#include <unistd.h>
46
47#include "main.h"
48
49static char fpath[1024];
50static int fpath_initialized;
51
52int
53priv_vfs_chmod_froot_setup(int asroot, int injail, struct test *test)
54{
55
56	setup_file("priv_vfs_chmod_setup: fpath", fpath, UID_ROOT, GID_WHEEL,
57	    0600);
58	fpath_initialized = 1;
59	return (0);
60}
61
62int
63priv_vfs_chmod_fowner_setup(int asroot, int injail, struct test *test)
64{
65
66	setup_file("priv_vfs_chmod_setup: fpath", fpath, UID_OWNER,
67	    GID_OWNER, 0600);
68	fpath_initialized = 1;
69	return (0);
70}
71
72int
73priv_vfs_chmod_fother_setup(int asroot, int injail, struct test *test)
74{
75
76	setup_file("priv_vfs_chmod_setup: fpath", fpath, UID_OTHER,
77	    GID_OTHER, 0600);
78	fpath_initialized = 1;
79	return (0);
80}
81
82void
83priv_vfs_chmod_froot(int asroot, int injail, struct test *test)
84{
85	int error;
86
87	error = chmod(fpath, 0640);
88	if (asroot && injail)
89		expect("priv_vfs_chmod_froot(asroot, injail)", error, 0, 0);
90	if (asroot && !injail)
91		expect("priv_vfs_chmod_froot(asroot, !injail)", error, 0, 0);
92	if (!asroot && injail)
93		expect("priv_vfs_chmod_froot(!asroot, injail)", error, -1,
94		    EPERM);
95	if (!asroot && !injail)
96		expect("priv_vfs_chmod_froot(!asroot, !injail)", error, -1,
97		    EPERM);
98}
99
100void
101priv_vfs_chmod_fowner(int asroot, int injail, struct test *test)
102{
103	int error;
104
105	error = chmod(fpath, 0640);
106	if (asroot && injail)
107		expect("priv_vfs_chmod_fowner(asroot, injail)", error, 0, 0);
108	if (asroot && !injail)
109		expect("priv_vfs_chmod_fowner(asroot, !injail)", error, 0,
110		    0);
111	if (!asroot && injail)
112		expect("priv_vfs_chmod_fowner(!asroot, injail)", error, 0,
113		    0);
114	if (!asroot && !injail)
115		expect("priv_vfs_chmod_fowner(!asroot, !injail)", error, 0,
116		    0);
117}
118
119void
120priv_vfs_chmod_fother(int asroot, int injail, struct test *test)
121{
122	int error;
123
124	error = chmod(fpath, 0640);
125	if (asroot && injail)
126		expect("priv_vfs_chmod_fother(asroot, injail)", error, 0, 0);
127	if (asroot && !injail)
128		expect("priv_vfs_chmod_fother(asroot, !injail)", error, 0,
129		    0);
130	if (!asroot && injail)
131		expect("priv_vfs_chmod_fother(!asroot, injail)", error, -1,
132		    EPERM);
133	if (!asroot && !injail)
134		expect("priv_vfs_chmod_fother(!asroot, !injail)", error, -1,
135		    EPERM);
136}
137
138void
139priv_vfs_chmod_cleanup(int asroot, int injail, struct test *test)
140{
141
142	if (fpath_initialized) {
143		(void)unlink(fpath);
144		fpath_initialized = 0;
145	}
146}
147