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
27 /*
28 * This regression test creates a raw IPv6 socket and confirms that it can
29 * set and get filters on the socket. No attempt is made to validate that
30 * the filter is implemented, just that it can be properly retrieved, set,
31 * etc.
32 */
33
34 #include <sys/types.h>
35 #include <sys/socket.h>
36
37 #include <netinet/in.h>
38 #include <netinet/icmp6.h>
39
40 #include <err.h>
41 #include <string.h>
42 #include <unistd.h>
43
44 /*
45 * Reference filters to set/test.
46 */
47 static struct icmp6_filter ic6f_passall;
48 static struct icmp6_filter ic6f_blockall;
49
50 int
main(int argc,char * argv[])51 main(int argc, char *argv[])
52 {
53 struct icmp6_filter ic6f;
54 socklen_t len;
55 int s;
56
57 ICMP6_FILTER_SETPASSALL(&ic6f_passall);
58 ICMP6_FILTER_SETBLOCKALL(&ic6f_blockall);
59
60 s = socket(PF_INET6, SOCK_RAW, 0);
61 if (s < 0)
62 err(-1, "socket(PF_INET6, SOCK_RAW, 0)");
63
64 /*
65 * Confirm that we can read before the first set, and that the
66 * default is to pass all ICMP.
67 */
68 len = sizeof(ic6f);
69 if (getsockopt(s, IPPROTO_ICMPV6, ICMP6_FILTER, &ic6f, &len) < 0)
70 err(-1, "1: getsockopt(ICMP6_FILTER)");
71 if (memcmp(&ic6f, &ic6f_passall, sizeof(ic6f)) != 0)
72 errx(-1, "1: getsockopt(ICMP6_FILTER) - default not passall");
73
74 /*
75 * Confirm that we can write a pass all filter to the socket.
76 */
77 len = sizeof(ic6f);
78 ICMP6_FILTER_SETPASSALL(&ic6f);
79 if (setsockopt(s, IPPROTO_ICMPV6, ICMP6_FILTER, &ic6f, len) < 0)
80 err(-1, "2: setsockopt(ICMP6_FILTER, PASSALL)");
81
82 /*
83 * Confirm that we can still read a pass all filter.
84 */
85 len = sizeof(ic6f);
86 if (getsockopt(s, IPPROTO_ICMPV6, ICMP6_FILTER, &ic6f, &len) < 0)
87 err(-1, "3: getsockopt(ICMP6_FILTER)");
88 if (memcmp(&ic6f, &ic6f_passall, sizeof(ic6f)) != 0)
89 errx(-1, "3: getsockopt(ICMP6_FILTER) - not passall");
90
91 /*
92 * Confirm that we can write a block all filter to the socket.
93 */
94 len = sizeof(ic6f);
95 ICMP6_FILTER_SETBLOCKALL(&ic6f);
96 if (setsockopt(s, IPPROTO_ICMPV6, ICMP6_FILTER, &ic6f, len) < 0)
97 err(-1, "4: setsockopt(ICMP6_FILTER, BLOCKALL)");
98
99 /*
100 * Confirm that we can read back a block all filter.
101 */
102 len = sizeof(ic6f);
103 if (getsockopt(s, IPPROTO_ICMPV6, ICMP6_FILTER, &ic6f, &len) < 0)
104 err(-1, "5: getsockopt(ICMP6_FILTER)");
105 if (memcmp(&ic6f, &ic6f_blockall, sizeof(ic6f)) != 0)
106 errx(-1, "5: getsockopt(ICMP6_FILTER) - not blockall");
107
108 /*
109 * For completeness, confirm that we can reset to the default.
110 */
111 len = sizeof(ic6f);
112 ICMP6_FILTER_SETPASSALL(&ic6f);
113 if (setsockopt(s, IPPROTO_ICMPV6, ICMP6_FILTER, &ic6f, len) < 0)
114 err(-1, "6: setsockopt(ICMP6_FILTER, PASSALL)");
115
116 /*
117 * ... And that we can read back the pass all rule again.
118 */
119 len = sizeof(ic6f);
120 if (getsockopt(s, IPPROTO_ICMPV6, ICMP6_FILTER, &ic6f, &len) < 0)
121 err(-1, "7: getsockopt(ICMP6_FILTER)");
122 if (memcmp(&ic6f, &ic6f_passall, sizeof(ic6f)) != 0)
123 errx(-1, "7: getsockopt(ICMP6_FILTER) - not passall");
124
125 close(s);
126 return (0);
127 }
128