audit_pipe_ioctl.c revision 302408 
1/*-
2 * Copyright (c) 2006 Robert N. M. Watson
3 * All rights reserved.
4 *
5 * This software was developed by Robert Watson for the TrustedBSD Project.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * $FreeBSD: stable/11/tools/regression/audit/audit_pipe_ioctl/audit_pipe_ioctl.c 156886 2006-03-19 15:47:53Z rwatson $
29 */
30
31/*
32 * Simple audit pipe regression test to confirm that the ioctls for queue
33 * limit information basically work.  No attempt is made to validate the
34 * queue length returned, however.
35 */
36
37#include <sys/types.h>
38#include <sys/ioctl.h>
39
40#include <security/audit/audit_ioctl.h>
41
42#include <err.h>
43#include <fcntl.h>
44
45int
46main(int argc, char *argv[])
47{
48	u_int len, minlen, maxlen;
49	u_int64_t astat;
50	int fd;
51
52	fd = open("/dev/auditpipe", O_RDONLY);
53	if (fd < 0)
54		err(-1, "/dev/auditpipe");
55
56	/*
57	 * First, test that we can read the queue length, queue limit, and
58	 * bounds on queue length limits.
59	 */
60	len = (u_int)(-1);
61	if (ioctl(fd, AUDITPIPE_GET_QLEN, &len) < 0)
62		err(-1, "AUDITPIPE_GET_QLEN");
63	if (len == (u_int)(-1))
64		errx(-1, "AUDITPIPE_GET_QLEN: unchanged");
65
66	minlen = (u_int)(-1);
67	if (ioctl(fd, AUDITPIPE_GET_QLIMIT_MIN, &minlen) < 0)
68		err(-1, "AUDITPIPE_GET_QLIMIT_MIN");
69	if (minlen == (u_int)(-1))
70		errx(-1, "AUDITPIPE_GET_QLIMIT_MIN: unchanged");
71
72	maxlen = (u_int)(-1);
73	if (ioctl(fd, AUDITPIPE_GET_QLIMIT_MAX, &maxlen) < 0)
74		err(-1, "AUDITPIPE_GET_QLIMIT_MAX");
75	if (maxlen == (u_int)(-1))
76		errx(-1, "AUDITPIPE_GET_QLIMIT_MAX: unchanged");
77
78	len = (u_int)(-1);
79	if (ioctl(fd, AUDITPIPE_GET_QLIMIT, &len) < 0)
80		err(-1, "AUDITPIPE_GET_QLIMIT");
81	if (len == (u_int)(-1))
82		errx(-1, "AUDITPIPE_GET_QLIMIT: unchanged");
83
84	if (!(len >= minlen))
85		errx(-1, "queue length < minlen");
86
87	if (!(len <= maxlen))
88		errx(-1, "queue length > maxlen");
89
90	/*
91	 * Try setting the queue length to first minimum, then maximum
92	 * lengths.  Query after each to make sure it changed.
93	 */
94	len = minlen;
95	if (ioctl(fd, AUDITPIPE_SET_QLIMIT, &len) < 0)
96		err(-1, "AUDITPIPE_SET_QLIMIT(min)");
97
98	if (ioctl(fd, AUDITPIPE_GET_QLIMIT, &len) < 0)
99		err(-1, "AUDITPIPE_GET_QLIMIT");
100
101	if (len != minlen)
102		errx(-1, "set to minlen didn't work");
103
104	len = maxlen;
105	if (ioctl(fd, AUDITPIPE_SET_QLIMIT, &len) < 0)
106		err(-1, "AUDITPIPE_SET_QLIMIT(max)");
107
108	if (ioctl(fd, AUDITPIPE_GET_QLIMIT, &len) < 0)
109		err(-1, "AUDITPIPE_GETQLIMIT");
110
111	if (len != maxlen)
112		errx(-1, "set to maxlen didn't work");
113
114	/*
115	 * Check that we can query the defined stats.  No attempt to
116	 * validate.
117	 */
118	astat = (u_int64_t)(int64_t)(-1);
119	if (ioctl(fd, AUDITPIPE_GET_INSERTS, &astat) < 0)
120		err(-1, "AUDITPIPE_GET_INSERTS");
121	if (astat == (u_int64_t)(int64_t)(-1))
122		errx(-1, "AUDITPIPE_GET_INSERTS: unchanged");
123
124	astat = (u_int64_t)(int64_t)(-1);
125	if (ioctl(fd, AUDITPIPE_GET_READS, &astat) < 0)
126		err(-1, "AUDITPIPE_GET_READS");
127	if (astat == (u_int64_t)(int64_t)(-1))
128		errx(-1, "AUDITPIPE_GET_READS: unchanged");
129
130	astat = (u_int64_t)(int64_t)(-1);
131	if (ioctl(fd, AUDITPIPE_GET_DROPS, &astat) < 0)
132		err(-1, "AUDITPIPE_GET_DROPS");
133	if (astat == (u_int64_t)(int64_t)(-1))
134		errx(-1, "AUDITPIPE_GET_DROPS: unchanged");
135
136	astat = (u_int64_t)(int64_t)(-1);
137	if (ioctl(fd, AUDITPIPE_GET_TRUNCATES, &astat) < 0)
138		err(-1, "AUDITPIPE_GET_TRUNCATES");
139	if (astat == (u_int64_t)(int64_t)(-1))
140		errx(-1, "AUDITPIPE_GET_TRUNCATES: unchanged");
141
142	return (0);
143}
144