xref: /freebsd/contrib/netbsd-tests/lib/libc/sys/t_socketpair.c (revision ee51cfe17ce50ca189c85280cbe3c3aa7b6dd7f9)
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  
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(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  
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