xref: /freebsd/contrib/netbsd-tests/lib/libc/sys/t_socketpair.c (revision 9268022b74279434ed6300244e3f977e56a8ceb5)
1 /* $NetBSD: t_socketpair.c,v 1.1 2011/11/05 18:19:02 jruoho 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 1.1 2011/11/05 18:19:02 jruoho 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 
49 static void
50 connected(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 
58 static void
59 run(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(fcntl(3, F_CLOSEM) != -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 
100 ATF_TC(socketpair_basic);
101 ATF_TC_HEAD(socketpair_basic, tc)
102 {
103 	atf_tc_set_md_var(tc, "descr", "A basic test of socketpair(2)");
104 }
105 
106 ATF_TC_BODY(socketpair_basic, tc)
107 {
108 	run(0);
109 }
110 
111 ATF_TC(socketpair_nonblock);
112 ATF_TC_HEAD(socketpair_nonblock, tc)
113 {
114 	atf_tc_set_md_var(tc, "descr", "A non-blocking test of socketpair(2)");
115 }
116 
117 ATF_TC_BODY(socketpair_nonblock, tc)
118 {
119 	run(SOCK_NONBLOCK);
120 }
121 
122 ATF_TC(socketpair_cloexec);
123 ATF_TC_HEAD(socketpair_cloexec, tc)
124 {
125 	atf_tc_set_md_var(tc, "descr", "A close-on-exec of socketpair(2)");
126 }
127 
128 ATF_TC_BODY(socketpair_cloexec, tc)
129 {
130 	run(SOCK_CLOEXEC);
131 }
132 
133 ATF_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