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 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
46 char fpath[1024];
47 int fpath_initialized;
48
49 char dpath[1024];
50 int dpath_initialized;
51
52 int
priv_vfs_stickyfile_dir_fowner_setup(int asroot,int injail,struct test * test)53 priv_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
63 int
priv_vfs_stickyfile_dir_fother_setup(int asroot,int injail,struct test * test)64 priv_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
74 int
priv_vfs_stickyfile_file_fowner_setup(int asroot,int injail,struct test * test)75 priv_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
85 int
priv_vfs_stickyfile_file_fother_setup(int asroot,int injail,struct test * test)86 priv_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
96 void
priv_vfs_stickyfile_dir_fowner(int asroot,int injail,struct test * test)97 priv_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
116 void
priv_vfs_stickyfile_dir_fother(int asroot,int injail,struct test * test)117 priv_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
136 void
priv_vfs_stickyfile_file_fowner(int asroot,int injail,struct test * test)137 priv_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
156 void
priv_vfs_stickyfile_file_fother(int asroot,int injail,struct test * test)157 priv_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
176 void
priv_vfs_stickyfile_dir_cleanup(int asroot,int injail,struct test * test)177 priv_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
186 void
priv_vfs_stickyfile_file_cleanup(int asroot,int injail,struct test * test)187 priv_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