priv_vfs_stickyfile.c revision 172106
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: head/tools/regression/priv/priv_vfs_stickyfile.c 172106 2007-09-09 23:08:39Z rwatson $
31 */
32
33/*
34 * Check that privilege is required to set the sticky bit on a file but not a
35 * directory.
36 */
37
38#include <sys/stat.h>
39
40#include <err.h>
41#include <errno.h>
42#include <unistd.h>
43
44#include "main.h"
45
46char fpath[1024];
47int fpath_initialized;
48
49char dpath[1024];
50int dpath_initialized;
51
52int
53priv_vfs_stickyfile_dir_fowner_setup(int asroot, int injail,
54    struct test *test)
55{
56
57	setup_dir("priv_vfs_stickyfile_fowner_setup: dpath", dpath,
58	    UID_OWNER, GID_OWNER, 0700);
59	dpath_initialized = 1;
60	return (0);
61}
62
63int
64priv_vfs_stickyfile_dir_fother_setup(int asroot, int injail,
65    struct test *test)
66{
67
68	setup_dir("priv_vfs_stickyfile_fother_setup: dpath", dpath,
69	    UID_OTHER, GID_OTHER, 0700);
70	dpath_initialized = 1;
71	return (0);
72}
73
74int
75priv_vfs_stickyfile_file_fowner_setup(int asroot, int injail,
76    struct test *test)
77{
78
79	setup_file("priv_vfs_stickyfile_fowner_setup: fpath", fpath,
80	    UID_OWNER, GID_OWNER, 0600);
81	fpath_initialized = 1;
82	return (0);
83}
84
85int
86priv_vfs_stickyfile_file_fother_setup(int asroot, int injail,
87    struct test *test)
88{
89
90	setup_file("priv_vfs_stickyfile_fother_setup: fpath", fpath,
91	    UID_OTHER, GID_OTHER, 0600);
92	fpath_initialized = 1;
93	return (0);
94}
95
96void
97priv_vfs_stickyfile_dir_fowner(int asroot, int injail, struct test *test)
98{
99	int error;
100
101	error = chmod(dpath, 0700 | S_ISTXT);
102	if (asroot && injail)
103		expect("priv_vfs_stickyfile_dir_fowner(root, jail)", error,
104		    0, 0);
105	if (asroot && !injail)
106		expect("priv_vfs_stickyfile_dir_fowner(root, !jail)", error,
107		    0, 0);
108	if (!asroot && injail)
109		expect("priv_vfs_stickyfile_dir_fowner(!root, jail)", error,
110		    0, 0);
111	if (!asroot && !injail)
112		expect("priv_vfs_stickyfile_dir_fowner(!root, !jail)", error,
113		    0, 0);
114}
115
116void
117priv_vfs_stickyfile_dir_fother(int asroot, int injail, struct test *test)
118{
119	int error;
120
121	error = chmod(dpath, 0700 | S_ISTXT);
122	if (asroot && injail)
123		expect("priv_vfs_stickyfile_dir_fother(root, jail)", error,
124		    0, 0);
125	if (asroot && !injail)
126		expect("priv_vfs_stickyfile_dir_fother(root, !jail)", error,
127		    0, 0);
128	if (!asroot && injail)
129		expect("priv_vfs_stickyfile_dir_fother(!root, jail)", error,
130		    -1, EPERM);
131	if (!asroot && !injail)
132		expect("priv_vfs_stickyfile_dir_fother(!root, !jail)", error,
133		    -1, EPERM);
134}
135
136void
137priv_vfs_stickyfile_file_fowner(int asroot, int injail, struct test *test)
138{
139	int error;
140
141	error = chmod(fpath, 0600 | S_ISTXT);
142	if (asroot && injail)
143		expect("priv_vfs_stickyfile_file_fowner(root, jail)", error,
144		    0, 0);
145	if (asroot && !injail)
146		expect("priv_vfs_stickyfile_file_fowner(root, !jail)", error,
147		    0, 0);
148	if (!asroot && injail)
149		expect("priv_vfs_stickyfile_file_fowner(!root, jail)", error,
150		    -1, EFTYPE);
151	if (!asroot && !injail)
152		expect("priv_vfs_stickyfile_file_fowner(!root, !jail)", error,
153		    -1, EFTYPE);
154}
155
156void
157priv_vfs_stickyfile_file_fother(int asroot, int injail, struct test *test)
158{
159	int error;
160
161	error = chmod(fpath, 0600 | S_ISTXT);
162	if (asroot && injail)
163		expect("priv_vfs_stickyfile_file_fother(root, jail)", error,
164		    0, 0);
165	if (asroot && !injail)
166		expect("priv_vfs_stickyfile_file_fother(root, !jail)", error,
167		    0, 0);
168	if (!asroot && injail)
169		expect("priv_vfs_stickyfile_file_fother(!root, jail)", error,
170		    -1, EPERM);
171	if (!asroot && !injail)
172		expect("priv_vfs_stickyfile_file_fother(!root, !jail)", error,
173		    -1, EPERM);
174}
175
176void
177priv_vfs_stickyfile_dir_cleanup(int asroot, int injail, struct test *test)
178{
179
180	if (dpath_initialized) {
181		(void)rmdir(dpath);
182		dpath_initialized = 0;
183	}
184}
185
186void
187priv_vfs_stickyfile_file_cleanup(int asroot, int injail, struct test *test)
188{
189
190	if (fpath_initialized) {
191		(void)unlink(fpath);
192		fpath_initialized = 0;
193	}
194}
195