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 * Test NULL and non-NULL tv arguments to utimes() -- if NULL, then it is
35 * allowed without privilege if the owner or if write access is held.  If
36 * non-NULL, privilege is required even if writable.
37 */
38
39#include <sys/types.h>
40#include <sys/stat.h>
41
42#include <err.h>
43#include <errno.h>
44#include <stdlib.h>
45#include <string.h>
46#include <unistd.h>
47
48#include "main.h"
49
50static char fpath[1024];
51static int fpath_initialized;
52
53int
54priv_vfs_utimes_froot_setup(int asroot, int injail, struct test *test)
55{
56
57	setup_file("priv_vfs_utimes_froot_setup: fpath", fpath,
58	    UID_ROOT, GID_WHEEL, 0600);
59	fpath_initialized = 1;
60	return (0);
61}
62
63int
64priv_vfs_utimes_fowner_setup(int asroot, int injail, struct test *test)
65{
66
67	setup_file("priv_vfs_utimes_fowner_setup: fpath", fpath,
68	    UID_OWNER, GID_OWNER, 0600);
69	fpath_initialized = 1;
70	return (0);
71}
72
73int
74priv_vfs_utimes_fother_setup(int asroot, int injail, struct test *test)
75{
76
77	/*
78	 * In the 'other' case, we make the file writable by the test user so
79	 * we can evaluate the difference between setting the time to NULL,
80	 * which is possible as a writer, and non-NULL, which requires
81	 * ownership.
82	 */
83	setup_file("priv_vfs_utimes_fother_setup: fpath", fpath,
84	    UID_OTHER, GID_OTHER, 0666);
85	fpath_initialized = 1;
86	return (0);
87}
88
89void
90priv_vfs_utimes_froot(int asroot, int injail, struct test *test)
91{
92	struct timeval tv[2];
93	int error;
94
95	tv[0].tv_sec = 0;
96	tv[0].tv_usec = 0;
97	tv[1].tv_sec = 0;
98	tv[1].tv_usec = 0;
99	error = utimes(fpath, tv);
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, 0, 0);
104	if (!asroot && injail)
105		expect("priv_vfs_utimes_froot(!root, jail)", error, -1,
106		    EPERM);
107	if (!asroot && !injail)
108		expect("priv_vfs_utimes_froot(!root, !jail)", error, -1,
109		    EPERM);
110}
111
112void
113priv_vfs_utimes_froot_null(int asroot, int injail, struct test *test)
114{
115	int error;
116
117	error = utimes(fpath, NULL);
118	if (asroot && injail)
119		expect("priv_vfs_utimes_froot_null(root, jail)", error, 0,
120		    0);
121	if (asroot && !injail)
122		expect("priv_vfs_utimes_froot_null(root, !jail)", error, 0,
123		    0);
124	if (!asroot && injail)
125		expect("priv_vfs_utimes_froot_null(!root, jail)", error, -1,
126		    EACCES);
127	if (!asroot && !injail)
128		expect("priv_vfs_utimes_froot_null(!root, !jail)", error, -1,
129		    EACCES);
130}
131
132void
133priv_vfs_utimes_fowner(int asroot, int injail, struct test *test)
134{
135	struct timeval tv[2];
136	int error;
137
138	tv[0].tv_sec = 0;
139	tv[0].tv_usec = 0;
140	tv[1].tv_sec = 0;
141	tv[1].tv_usec = 0;
142	error = utimes(fpath, tv);
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	if (!asroot && !injail)
150		expect("priv_vfs_utimes_fowner(!root, !jail)", error, 0, 0);
151}
152
153void
154priv_vfs_utimes_fowner_null(int asroot, int injail, struct test *test)
155{
156	int error;
157
158	error = utimes(fpath, NULL);
159	if (asroot && injail)
160		expect("priv_vfs_utimes_fowner_null(root, jail)", error, 0,
161		    0);
162	if (asroot && !injail)
163		expect("priv_vfs_utimes_fowner_null(root, !jail)", error, 0,
164		    0);
165	if (!asroot && injail)
166		expect("priv_vfs_utimes_fowner_null(!root, jail)", error, 0,
167		    0);
168	if (!asroot && !injail)
169		expect("priv_vfs_utimes_fowner_null(!root, !jail)", error, 0,
170		    0);
171}
172
173void
174priv_vfs_utimes_fother(int asroot, int injail, struct test *test)
175{
176	struct timeval tv[2];
177	int error;
178
179	tv[0].tv_sec = 0;
180	tv[0].tv_usec = 0;
181	tv[1].tv_sec = 0;
182	tv[1].tv_usec = 0;
183	error = utimes(fpath, tv);
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, 0, 0);
188	if (!asroot && injail)
189		expect("priv_vfs_utimes_fother(!root, jail)", error, -1,
190		    EPERM);
191	if (!asroot && !injail)
192		expect("priv_vfs_utimes_fother(!root, !jail)", error, -1,
193		    EPERM);
194}
195
196void
197priv_vfs_utimes_fother_null(int asroot, int injail, struct test *test)
198{
199	int error;
200
201	error = utimes(fpath, NULL);
202	if (asroot && injail)
203		expect("priv_vfs_utimes_fother_null(root, jail)", error, 0,
204		    0);
205	if (asroot && !injail)
206		expect("priv_vfs_utimes_fother_null(root, !jail)", error, 0,
207		    0);
208	if (!asroot && injail)
209		expect("priv_vfs_utimes_fother_null(!root, jail)", error, 0,
210		    0);
211	if (!asroot && !injail)
212		expect("priv_vfs_utimes_fother_null(!root, !jail)", error, 0,
213		    0);
214}
215
216void
217priv_vfs_utimes_cleanup(int asroot, int injail, struct test *test)
218{
219
220	if (fpath_initialized) {
221		(void)unlink(fpath);
222		fpath_initialized = 0;
223	}
224}
225