1/*-
2 * Copyright (c) 2008 Robert N. M. Watson
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD$
27 */
28
29/*
30 * This regression test creates a raw IPv6 socket and confirms that it can
31 * set and get filters on the socket.  No attempt is made to validate that
32 * the filter is implemented, just that it can be properly retrieved, set,
33 * etc.
34 */
35
36#include <sys/types.h>
37#include <sys/socket.h>
38
39#include <netinet/in.h>
40#include <netinet/icmp6.h>
41
42#include <err.h>
43#include <string.h>
44#include <unistd.h>
45
46/*
47 * Reference filters to set/test.
48 */
49static struct icmp6_filter ic6f_passall;
50static struct icmp6_filter ic6f_blockall;
51
52int
53main(int argc, char *argv[])
54{
55	struct icmp6_filter ic6f;
56	socklen_t len;
57	int s;
58
59	ICMP6_FILTER_SETPASSALL(&ic6f_passall);
60	ICMP6_FILTER_SETBLOCKALL(&ic6f_blockall);
61
62	s = socket(PF_INET6, SOCK_RAW, 0);
63	if (s < 0)
64		err(-1, "socket(PF_INET6, SOCK_RAW, 0)");
65
66	/*
67	 * Confirm that we can read before the first set, and that the
68	 * default is to pass all ICMP.
69	 */
70	len = sizeof(ic6f);
71	if (getsockopt(s, IPPROTO_ICMPV6, ICMP6_FILTER, &ic6f, &len) < 0)
72		err(-1, "1: getsockopt(ICMP6_FILTER)");
73	if (memcmp(&ic6f, &ic6f_passall, sizeof(ic6f)) != 0)
74		errx(-1, "1: getsockopt(ICMP6_FILTER) - default not passall");
75
76	/*
77	 * Confirm that we can write a pass all filter to the socket.
78	 */
79	len = sizeof(ic6f);
80	ICMP6_FILTER_SETPASSALL(&ic6f);
81	if (setsockopt(s, IPPROTO_ICMPV6, ICMP6_FILTER, &ic6f, len) < 0)
82		err(-1, "2: setsockopt(ICMP6_FILTER, PASSALL)");
83
84	/*
85	 * Confirm that we can still read a pass all filter.
86	 */
87	len = sizeof(ic6f);
88	if (getsockopt(s, IPPROTO_ICMPV6, ICMP6_FILTER, &ic6f, &len) < 0)
89		err(-1, "3: getsockopt(ICMP6_FILTER)");
90	if (memcmp(&ic6f, &ic6f_passall, sizeof(ic6f)) != 0)
91		errx(-1, "3: getsockopt(ICMP6_FILTER) - not passall");
92
93	/*
94	 * Confirm that we can write a block all filter to the socket.
95	 */
96	len = sizeof(ic6f);
97	ICMP6_FILTER_SETBLOCKALL(&ic6f);
98	if (setsockopt(s, IPPROTO_ICMPV6, ICMP6_FILTER, &ic6f, len) < 0)
99		err(-1, "4: setsockopt(ICMP6_FILTER, BLOCKALL)");
100
101	/*
102	 * Confirm that we can read back a block all filter.
103	 */
104	len = sizeof(ic6f);
105	if (getsockopt(s, IPPROTO_ICMPV6, ICMP6_FILTER, &ic6f, &len) < 0)
106		err(-1, "5: getsockopt(ICMP6_FILTER)");
107	if (memcmp(&ic6f, &ic6f_blockall, sizeof(ic6f)) != 0)
108		errx(-1, "5: getsockopt(ICMP6_FILTER) - not blockall");
109
110	/*
111	 * For completeness, confirm that we can reset to the default.
112	 */
113	len = sizeof(ic6f);
114	ICMP6_FILTER_SETPASSALL(&ic6f);
115	if (setsockopt(s, IPPROTO_ICMPV6, ICMP6_FILTER, &ic6f, len) < 0)
116		err(-1, "6: setsockopt(ICMP6_FILTER, PASSALL)");
117
118	/*
119	 * ... And that we can read back the pass all rule again.
120	 */
121	len = sizeof(ic6f);
122	if (getsockopt(s, IPPROTO_ICMPV6, ICMP6_FILTER, &ic6f, &len) < 0)
123		err(-1, "7: getsockopt(ICMP6_FILTER)");
124	if (memcmp(&ic6f, &ic6f_passall, sizeof(ic6f)) != 0)
125		errx(-1, "7: getsockopt(ICMP6_FILTER) - not passall");
126
127	close(s);
128	return (0);
129}
130