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
31/*
32 * Test NULL and non-NULL tv arguments to utimes() -- if NULL, then it is
33 * allowed without privilege if the owner or if write access is held.  If
34 * non-NULL, privilege is required even if writable.
35 */
36
37#include <sys/types.h>
38#include <sys/stat.h>
39
40#include <err.h>
41#include <errno.h>
42#include <stdlib.h>
43#include <string.h>
44#include <unistd.h>
45
46#include "main.h"
47
48static char fpath[1024];
49static int fpath_initialized;
50
51int
52priv_vfs_utimes_froot_setup(int asroot, int injail, struct test *test)
53{
54
55	setup_file("priv_vfs_utimes_froot_setup: fpath", fpath,
56	    UID_ROOT, GID_WHEEL, 0600);
57	fpath_initialized = 1;
58	return (0);
59}
60
61int
62priv_vfs_utimes_fowner_setup(int asroot, int injail, struct test *test)
63{
64
65	setup_file("priv_vfs_utimes_fowner_setup: fpath", fpath,
66	    UID_OWNER, GID_OWNER, 0600);
67	fpath_initialized = 1;
68	return (0);
69}
70
71int
72priv_vfs_utimes_fother_setup(int asroot, int injail, struct test *test)
73{
74
75	/*
76	 * In the 'other' case, we make the file writable by the test user so
77	 * we can evaluate the difference between setting the time to NULL,
78	 * which is possible as a writer, and non-NULL, which requires
79	 * ownership.
80	 */
81	setup_file("priv_vfs_utimes_fother_setup: fpath", fpath,
82	    UID_OTHER, GID_OTHER, 0666);
83	fpath_initialized = 1;
84	return (0);
85}
86
87void
88priv_vfs_utimes_froot(int asroot, int injail, struct test *test)
89{
90	struct timeval tv[2];
91	int error;
92
93	tv[0].tv_sec = 0;
94	tv[0].tv_usec = 0;
95	tv[1].tv_sec = 0;
96	tv[1].tv_usec = 0;
97	error = utimes(fpath, tv);
98	if (asroot && injail)
99		expect("priv_vfs_utimes_froot(root, jail)", error, 0, 0);
100	if (asroot && !injail)
101		expect("priv_vfs_utimes_froot(root, !jail)", error, 0, 0);
102	if (!asroot && injail)
103		expect("priv_vfs_utimes_froot(!root, jail)", error, -1,
104		    EPERM);
105	if (!asroot && !injail)
106		expect("priv_vfs_utimes_froot(!root, !jail)", error, -1,
107		    EPERM);
108}
109
110void
111priv_vfs_utimes_froot_null(int asroot, int injail, struct test *test)
112{
113	int error;
114
115	error = utimes(fpath, NULL);
116	if (asroot && injail)
117		expect("priv_vfs_utimes_froot_null(root, jail)", error, 0,
118		    0);
119	if (asroot && !injail)
120		expect("priv_vfs_utimes_froot_null(root, !jail)", error, 0,
121		    0);
122	if (!asroot && injail)
123		expect("priv_vfs_utimes_froot_null(!root, jail)", error, -1,
124		    EACCES);
125	if (!asroot && !injail)
126		expect("priv_vfs_utimes_froot_null(!root, !jail)", error, -1,
127		    EACCES);
128}
129
130void
131priv_vfs_utimes_fowner(int asroot, int injail, struct test *test)
132{
133	struct timeval tv[2];
134	int error;
135
136	tv[0].tv_sec = 0;
137	tv[0].tv_usec = 0;
138	tv[1].tv_sec = 0;
139	tv[1].tv_usec = 0;
140	error = utimes(fpath, tv);
141	if (asroot && injail)
142		expect("priv_vfs_utimes_fowner(root, jail)", error, 0, 0);
143	if (asroot && !injail)
144		expect("priv_vfs_utimes_fowner(root, !jail)", error, 0, 0);
145	if (!asroot && injail)
146		expect("priv_vfs_utimes_fowner(!root, jail)", error, 0, 0);
147	if (!asroot && !injail)
148		expect("priv_vfs_utimes_fowner(!root, !jail)", error, 0, 0);
149}
150
151void
152priv_vfs_utimes_fowner_null(int asroot, int injail, struct test *test)
153{
154	int error;
155
156	error = utimes(fpath, NULL);
157	if (asroot && injail)
158		expect("priv_vfs_utimes_fowner_null(root, jail)", error, 0,
159		    0);
160	if (asroot && !injail)
161		expect("priv_vfs_utimes_fowner_null(root, !jail)", error, 0,
162		    0);
163	if (!asroot && injail)
164		expect("priv_vfs_utimes_fowner_null(!root, jail)", error, 0,
165		    0);
166	if (!asroot && !injail)
167		expect("priv_vfs_utimes_fowner_null(!root, !jail)", error, 0,
168		    0);
169}
170
171void
172priv_vfs_utimes_fother(int asroot, int injail, struct test *test)
173{
174	struct timeval tv[2];
175	int error;
176
177	tv[0].tv_sec = 0;
178	tv[0].tv_usec = 0;
179	tv[1].tv_sec = 0;
180	tv[1].tv_usec = 0;
181	error = utimes(fpath, tv);
182	if (asroot && injail)
183		expect("priv_vfs_utimes_fother(root, jail)", error, 0, 0);
184	if (asroot && !injail)
185		expect("priv_vfs_utimes_fother(root, !jail)", error, 0, 0);
186	if (!asroot && injail)
187		expect("priv_vfs_utimes_fother(!root, jail)", error, -1,
188		    EPERM);
189	if (!asroot && !injail)
190		expect("priv_vfs_utimes_fother(!root, !jail)", error, -1,
191		    EPERM);
192}
193
194void
195priv_vfs_utimes_fother_null(int asroot, int injail, struct test *test)
196{
197	int error;
198
199	error = utimes(fpath, NULL);
200	if (asroot && injail)
201		expect("priv_vfs_utimes_fother_null(root, jail)", error, 0,
202		    0);
203	if (asroot && !injail)
204		expect("priv_vfs_utimes_fother_null(root, !jail)", error, 0,
205		    0);
206	if (!asroot && injail)
207		expect("priv_vfs_utimes_fother_null(!root, jail)", error, 0,
208		    0);
209	if (!asroot && !injail)
210		expect("priv_vfs_utimes_fother_null(!root, !jail)", error, 0,
211		    0);
212}
213
214void
215priv_vfs_utimes_cleanup(int asroot, int injail, struct test *test)
216{
217
218	if (fpath_initialized) {
219		(void)unlink(fpath);
220		fpath_initialized = 0;
221	}
222}
223