t_socketpair.c revision 314817 
1/* $NetBSD: t_socketpair.c,v 1.2 2017/01/13 20:04:52 christos Exp $ */
2
3/*-
4 * Copyright (c) 2011 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Christos Zoulas.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 *    must display the following acknowledgement:
20 *        This product includes software developed by the NetBSD
21 *        Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 *    contributors may be used to endorse or promote products derived
24 *    from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38#include <sys/cdefs.h>
39__RCSID("$NetBSD: t_socketpair.c,v 1.2 2017/01/13 20:04:52 christos Exp $");
40
41#include <atf-c.h>
42#include <fcntl.h>
43#include <unistd.h>
44#include <stdlib.h>
45#include <sys/socket.h>
46#include <sys/un.h>
47#include <errno.h>
48
49static void
50connected(int fd)
51{
52	struct sockaddr_un addr;
53	socklen_t len = (socklen_t)sizeof(addr);
54	ATF_REQUIRE(getpeername(fd, (struct sockaddr*)(void *)&addr,
55	    &len) == 0);
56}
57
58static void
59run(int flags)
60{
61	int fd[2], i;
62
63	while ((i = open("/", O_RDONLY)) < 3)
64		ATF_REQUIRE(i != -1);
65
66#ifdef __FreeBSD__
67	closefrom(3);
68#else
69	ATF_REQUIRE(closefrom(3) != -1);
70#endif
71
72	ATF_REQUIRE(socketpair(AF_UNIX, SOCK_DGRAM | flags, 0, fd) == 0);
73
74	ATF_REQUIRE(fd[0] == 3);
75	ATF_REQUIRE(fd[1] == 4);
76
77	connected(fd[0]);
78	connected(fd[1]);
79
80	if (flags & SOCK_CLOEXEC) {
81		ATF_REQUIRE((fcntl(fd[0], F_GETFD) & FD_CLOEXEC) != 0);
82		ATF_REQUIRE((fcntl(fd[1], F_GETFD) & FD_CLOEXEC) != 0);
83	} else {
84		ATF_REQUIRE((fcntl(fd[0], F_GETFD) & FD_CLOEXEC) == 0);
85		ATF_REQUIRE((fcntl(fd[1], F_GETFD) & FD_CLOEXEC) == 0);
86	}
87
88	if (flags & SOCK_NONBLOCK) {
89		ATF_REQUIRE((fcntl(fd[0], F_GETFL) & O_NONBLOCK) != 0);
90		ATF_REQUIRE((fcntl(fd[1], F_GETFL) & O_NONBLOCK) != 0);
91	} else {
92		ATF_REQUIRE((fcntl(fd[0], F_GETFL) & O_NONBLOCK) == 0);
93		ATF_REQUIRE((fcntl(fd[1], F_GETFL) & O_NONBLOCK) == 0);
94	}
95
96	ATF_REQUIRE(close(fd[0]) != -1);
97	ATF_REQUIRE(close(fd[1]) != -1);
98}
99
100ATF_TC(socketpair_basic);
101ATF_TC_HEAD(socketpair_basic, tc)
102{
103	atf_tc_set_md_var(tc, "descr", "A basic test of socketpair(2)");
104}
105
106ATF_TC_BODY(socketpair_basic, tc)
107{
108	run(0);
109}
110
111ATF_TC(socketpair_nonblock);
112ATF_TC_HEAD(socketpair_nonblock, tc)
113{
114	atf_tc_set_md_var(tc, "descr", "A non-blocking test of socketpair(2)");
115}
116
117ATF_TC_BODY(socketpair_nonblock, tc)
118{
119	run(SOCK_NONBLOCK);
120}
121
122ATF_TC(socketpair_cloexec);
123ATF_TC_HEAD(socketpair_cloexec, tc)
124{
125	atf_tc_set_md_var(tc, "descr", "A close-on-exec of socketpair(2)");
126}
127
128ATF_TC_BODY(socketpair_cloexec, tc)
129{
130	run(SOCK_CLOEXEC);
131}
132
133ATF_TP_ADD_TCS(tp)
134{
135
136	ATF_TP_ADD_TC(tp, socketpair_basic);
137	ATF_TP_ADD_TC(tp, socketpair_nonblock);
138	ATF_TP_ADD_TC(tp, socketpair_cloexec);
139
140	return atf_no_error();
141}
142