1/*-
2 * Copyright (c) 2009 Robert N. M. Watson
3 * All rights reserved.
4 *
5 * This software was developed at the University of Cambridge Computer
6 * Laboratory with support from a grant from Google, Inc.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30#include <sys/cdefs.h>
31__FBSDID("$FreeBSD$");
32
33#include <sys/socket.h>
34#include <sys/un.h>
35
36#include <err.h>
37#include <errno.h>
38#include <limits.h>
39#include <stdio.h>
40#include <string.h>
41#include <unistd.h>
42
43#define	FAILERR(str)	err(-1, "%s: %s", __func__, str)
44#define	FAILERRX(str)	errx(-1, "%s: %s", __func__, str)
45
46static void
47test_socket(void)
48{
49	int s;
50
51	s = socket(PF_LOCAL, SOCK_SEQPACKET, 0);
52	if (s < 0)
53		FAILERR("socket");
54	(void)close(s);
55}
56
57static void
58test_socketpair(void)
59{
60	int sv[2];
61
62	if (socketpair(PF_LOCAL, SOCK_SEQPACKET, 0, sv) < 0)
63		FAILERR("socketpair");
64	(void)close(sv[0]);
65	(void)close(sv[1]);
66}
67
68static void
69test_listen_unbound(void)
70{
71	int s;
72
73	s = socket(PF_LOCAL, SOCK_SEQPACKET, 0);
74	if (s < 0)
75		FAILERR("socket");
76	if (listen(s, -1) == 0)
77		FAILERRX("listen");
78	(void)close(s);
79}
80
81static void
82test_bind(void)
83{
84	struct sockaddr_un sun;
85	char path[PATH_MAX];
86	int s;
87
88	snprintf(path, sizeof(path), "/tmp/lds.XXXXXXXXX");
89	if (mktemp(path) == NULL)
90		FAILERR("mktemp");
91	s = socket(PF_LOCAL, SOCK_SEQPACKET, 0);
92	if (s < 0)
93		FAILERR("socket");
94	bzero(&sun, sizeof(sun));
95	sun.sun_family = AF_LOCAL;
96	sun.sun_len = sizeof(sun);
97	strlcpy(sun.sun_path, path, sizeof(sun.sun_path));
98	if (bind(s, (struct sockaddr *)&sun, sizeof(sun)) < 0)
99		FAILERR("bind");
100	close(s);
101	(void)unlink(path);
102}
103
104static void
105test_listen_bound(void)
106{
107	struct sockaddr_un sun;
108	char path[PATH_MAX];
109	int s;
110
111	snprintf(path, sizeof(path), "/tmp/lds.XXXXXXXXX");
112	if (mktemp(path) == NULL)
113		FAILERR("mktemp");
114	s = socket(PF_LOCAL, SOCK_SEQPACKET, 0);
115	if (s < 0)
116		FAILERR("socket");
117	bzero(&sun, sizeof(sun));
118	sun.sun_family = AF_LOCAL;
119	sun.sun_len = sizeof(sun);
120	strlcpy(sun.sun_path, path, sizeof(sun.sun_path));
121	if (bind(s, (struct sockaddr *)&sun, sizeof(sun)) < 0)
122		FAILERR("bind");
123	if (listen(s, -1)) {
124		(void)unlink(path);
125		FAILERR("bind");
126	}
127	close(s);
128	(void)unlink(path);
129}
130
131int
132main(int argc, char *argv[])
133{
134
135	test_socket();
136	test_socketpair();
137	test_listen_unbound();
138	test_bind();
139	test_listen_bound();
140}
141