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 that configuring accounting requires privilege. We test four cases
33 * across {!jail, jail}:
34 *
35 * priv_acct_enable - enable accounting from a disabled state
36 * priv_acct_disable - disable accounting from an enabled state
37 * priv_acct_rotate - rotate the accounting file
38 * priv_acct_noopdisable - disable accounting when already disabled
39 */
40
41 #include <sys/types.h>
42 #include <sys/stat.h>
43 #include <sys/sysctl.h>
44
45 #include <err.h>
46 #include <errno.h>
47 #include <stdlib.h>
48 #include <unistd.h>
49
50 #include "main.h"
51
52 #define SYSCTL_NAME "kern.acct_configured"
53
54 /*
55 * Actual filenames used across all of the tests.
56 */
57 static int fpath1_initialized;
58 static char fpath1[1024];
59 static int fpath2_initialized;
60 static char fpath2[1024];
61
62 int
priv_acct_setup(int asroot,int injail,struct test * test)63 priv_acct_setup(int asroot, int injail, struct test *test)
64 {
65 size_t len;
66 int i;
67
68 len = sizeof(i);
69 if (sysctlbyname(SYSCTL_NAME, &i, &len, NULL, 0) < 0) {
70 warn("priv_acct_setup: sysctlbyname(%s)", SYSCTL_NAME);
71 return (-1);
72 }
73 if (i != 0) {
74 warnx("sysctlbyname(%s) indicates accounting configured",
75 SYSCTL_NAME);
76 return (-1);
77 }
78 setup_file("priv_acct_setup: fpath1", fpath1, 0, 0, 0666);
79 fpath1_initialized = 1;
80 setup_file("priv_acct_setup: fpath2", fpath2, 0, 0, 0666);
81 fpath2_initialized = 1;
82
83 if (test->t_test_func == priv_acct_enable ||
84 test->t_test_func == priv_acct_noopdisable) {
85 if (acct(NULL) != 0) {
86 warn("priv_acct_setup: acct(NULL)");
87 return (-1);
88 }
89 } else if (test->t_test_func == priv_acct_disable ||
90 test->t_test_func == priv_acct_rotate) {
91 if (acct(fpath1) != 0) {
92 warn("priv_acct_setup: acct(\"%s\")", fpath1);
93 return (-1);
94 }
95 }
96 return (0);
97 }
98
99 void
priv_acct_cleanup(int asroot,int injail,struct test * test)100 priv_acct_cleanup(int asroot, int injail, struct test *test)
101 {
102
103 (void)acct(NULL);
104 if (fpath1_initialized) {
105 (void)unlink(fpath1);
106 fpath1_initialized = 0;
107 }
108 if (fpath2_initialized) {
109 (void)unlink(fpath2);
110 fpath2_initialized = 0;
111 }
112 }
113
114 void
priv_acct_enable(int asroot,int injail,struct test * test)115 priv_acct_enable(int asroot, int injail, struct test *test)
116 {
117 int error;
118
119 error = acct(fpath1);
120 if (asroot && injail)
121 expect("priv_acct_enable(root, jail)", error, -1, EPERM);
122 if (asroot && !injail)
123 expect("priv_acct_enable(root, !jail)", error, 0, 0);
124 if (!asroot && injail)
125 expect("priv_acct_enable(!root, jail)", error, -1, EPERM);
126 if (!asroot && !injail)
127 expect("priv_acct_enable(!root, !jail)", error, -1, EPERM);
128 }
129
130 void
priv_acct_disable(int asroot,int injail,struct test * test)131 priv_acct_disable(int asroot, int injail, struct test *test)
132 {
133 int error;
134
135 error = acct(NULL);
136 if (asroot && injail)
137 expect("priv_acct_disable(root, jail)", error, -1, EPERM);
138 if (asroot && !injail)
139 expect("priv_acct_disable(root, !jail)", error, 0, 0);
140 if (!asroot && injail)
141 expect("priv_acct_disable(!root, jail)", error, -1, EPERM);
142 if (!asroot && !injail)
143 expect("priv_acct_disable(!root, !jail)", error, -1, EPERM);
144 }
145
146 void
priv_acct_rotate(int asroot,int injail,struct test * test)147 priv_acct_rotate(int asroot, int injail, struct test *test)
148 {
149 int error;
150
151 error = acct(fpath2);
152 if (asroot && injail)
153 expect("priv_acct_rotate(root, jail)", error, -1, EPERM);
154 if (asroot && !injail)
155 expect("priv_acct_rotate(root, !jail)", error, 0, 0);
156 if (!asroot && injail)
157 expect("priv_acct_rotate(!root, jail)", error, -1, EPERM);
158 if (!asroot && !injail)
159 expect("priv_acct_rotate(!root, !jail)", error, -1, EPERM);
160 }
161
162 void
priv_acct_noopdisable(int asroot,int injail,struct test * test)163 priv_acct_noopdisable(int asroot, int injail, struct test *test)
164 {
165 int error;
166
167 error = acct(NULL);
168 if (asroot && injail)
169 expect("priv_acct_noopdisable(root, jail)", error, -1, EPERM);
170 if (asroot && !injail)
171 expect("priv_acct_noopdisable(root, !jail)", error, 0, 0);
172 if (!asroot && injail)
173 expect("priv_acct_noopdisable(!root, jail)", error, -1, EPERM);
174 if (!asroot && !injail)
175 expect("priv_acct_noopdisable(!root, !jail)", error, -1, EPERM);
176 }
177