1/*-
2 * Copyright (c) 2018 Aniket Pandey
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * SUCH DAMAGE.
24 *
25 * $FreeBSD$
26 */
27
28#include <sys/ioctl.h>
29
30#include <bsm/libbsm.h>
31#include <security/audit/audit_ioctl.h>
32
33#include <atf-c.h>
34#include <fcntl.h>
35#include <unistd.h>
36
37#include "utils.h"
38
39static int filedesc;
40static char ioregex[80];
41static const char *auclass = "io";
42static struct pollfd fds[1];
43static unsigned long request = AUDITPIPE_FLUSH;
44
45
46ATF_TC_WITH_CLEANUP(ioctl_success);
47ATF_TC_HEAD(ioctl_success, tc)
48{
49	atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
50					"ioctl(2) call");
51}
52
53ATF_TC_BODY(ioctl_success, tc)
54{
55	/* auditpipe(4) supports quite a few ioctls */
56	ATF_REQUIRE((filedesc = open("/dev/auditpipe", O_RDONLY)) != -1);
57	/* Prepare the regex to be checked in the audit record */
58	snprintf(ioregex, sizeof(ioregex),
59	"ioctl.*%#lx.*%#x.*return,success", request, filedesc);
60
61	FILE *pipefd = setup(fds, auclass);
62	ATF_REQUIRE(ioctl(filedesc, request) != -1);
63	check_audit(fds, ioregex, pipefd);
64	close(filedesc);
65}
66
67ATF_TC_CLEANUP(ioctl_success, tc)
68{
69	cleanup();
70}
71
72
73ATF_TC_WITH_CLEANUP(ioctl_failure);
74ATF_TC_HEAD(ioctl_failure, tc)
75{
76	atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
77					"ioctl(2) call");
78}
79
80ATF_TC_BODY(ioctl_failure, tc)
81{
82	snprintf(ioregex, sizeof(ioregex),
83	"ioctl.*%#lx.*return,failure : Bad file descriptor", request);
84
85	FILE *pipefd = setup(fds, auclass);
86	/* Failure reason: Invalid file descriptor */
87	ATF_REQUIRE_EQ(-1, ioctl(-1, request));
88	check_audit(fds, ioregex, pipefd);
89}
90
91ATF_TC_CLEANUP(ioctl_failure, tc)
92{
93	cleanup();
94}
95
96
97ATF_TP_ADD_TCS(tp)
98{
99	ATF_TP_ADD_TC(tp, ioctl_success);
100	ATF_TP_ADD_TC(tp, ioctl_failure);
101
102	return (atf_no_error());
103}
104