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