xref: /freebsd/contrib/netbsd-tests/lib/libc/sys/t_socketpair.c (revision 1ce4b357402c3cd0cba264a15c06b6fd00591088)
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 	ATF_REQUIRE(fcntl(3, F_CLOSEM) != -1);
67 
68 	ATF_REQUIRE(socketpair(AF_UNIX, SOCK_DGRAM | flags, 0, fd) == 0);
69 
70 	ATF_REQUIRE(fd[0] == 3);
71 	ATF_REQUIRE(fd[1] == 4);
72 
73 	connected(fd[0]);
74 	connected(fd[1]);
75 
76 	if (flags & SOCK_CLOEXEC) {
77 		ATF_REQUIRE((fcntl(fd[0], F_GETFD) & FD_CLOEXEC) != 0);
78 		ATF_REQUIRE((fcntl(fd[1], F_GETFD) & FD_CLOEXEC) != 0);
79 	} else {
80 		ATF_REQUIRE((fcntl(fd[0], F_GETFD) & FD_CLOEXEC) == 0);
81 		ATF_REQUIRE((fcntl(fd[1], F_GETFD) & FD_CLOEXEC) == 0);
82 	}
83 
84 	if (flags & SOCK_NONBLOCK) {
85 		ATF_REQUIRE((fcntl(fd[0], F_GETFL) & O_NONBLOCK) != 0);
86 		ATF_REQUIRE((fcntl(fd[1], F_GETFL) & O_NONBLOCK) != 0);
87 	} else {
88 		ATF_REQUIRE((fcntl(fd[0], F_GETFL) & O_NONBLOCK) == 0);
89 		ATF_REQUIRE((fcntl(fd[1], F_GETFL) & O_NONBLOCK) == 0);
90 	}
91 
92 	ATF_REQUIRE(close(fd[0]) != -1);
93 	ATF_REQUIRE(close(fd[1]) != -1);
94 }
95 
96 ATF_TC(socketpair_basic);
97 ATF_TC_HEAD(socketpair_basic, tc)
98 {
99 	atf_tc_set_md_var(tc, "descr", "A basic test of socketpair(2)");
100 }
101 
102 ATF_TC_BODY(socketpair_basic, tc)
103 {
104 	run(0);
105 }
106 
107 ATF_TC(socketpair_nonblock);
108 ATF_TC_HEAD(socketpair_nonblock, tc)
109 {
110 	atf_tc_set_md_var(tc, "descr", "A non-blocking test of socketpair(2)");
111 }
112 
113 ATF_TC_BODY(socketpair_nonblock, tc)
114 {
115 	run(SOCK_NONBLOCK);
116 }
117 
118 ATF_TC(socketpair_cloexec);
119 ATF_TC_HEAD(socketpair_cloexec, tc)
120 {
121 	atf_tc_set_md_var(tc, "descr", "A close-on-exec of socketpair(2)");
122 }
123 
124 ATF_TC_BODY(socketpair_cloexec, tc)
125 {
126 	run(SOCK_CLOEXEC);
127 }
128 
129 ATF_TP_ADD_TCS(tp)
130 {
131 
132 	ATF_TP_ADD_TC(tp, socketpair_basic);
133 	ATF_TP_ADD_TC(tp, socketpair_nonblock);
134 	ATF_TP_ADD_TC(tp, socketpair_cloexec);
135 
136 	return atf_no_error();
137 }
138