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 */
57static int	fpath1_initialized;
58static char	fpath1[1024];
59static int	fpath2_initialized;
60static char	fpath2[1024];
61
62int
63priv_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
99void
100priv_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
114void
115priv_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
130void
131priv_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
146void
147priv_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
162void
163priv_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