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
connected(int fd)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
run(int domain,int type,int flags)59 run(int domain, int type, int flags)
60 {
61 int fd[2], i;
62
63 while ((i = open("/", O_RDONLY)) < 3)
64 ATF_REQUIRE(i != -1);
65
66 #ifdef __NetBSD__
67 /* This check is harmful since it closes atf's output file */
68 ATF_REQUIRE(closefrom(3) != -1);
69 #endif
70
71 ATF_REQUIRE(socketpair(domain, type | flags, 0, fd) == 0);
72
73 #if __NetBSD__
74 /* This check is harmful since it requires closing atf's output file */
75 ATF_REQUIRE(fd[0] == 3);
76 ATF_REQUIRE(fd[1] == 4);
77 #endif
78
79 connected(fd[0]);
80 connected(fd[1]);
81
82 if (flags & SOCK_CLOEXEC) {
83 ATF_REQUIRE((fcntl(fd[0], F_GETFD) & FD_CLOEXEC) != 0);
84 ATF_REQUIRE((fcntl(fd[1], F_GETFD) & FD_CLOEXEC) != 0);
85 } else {
86 ATF_REQUIRE((fcntl(fd[0], F_GETFD) & FD_CLOEXEC) == 0);
87 ATF_REQUIRE((fcntl(fd[1], F_GETFD) & FD_CLOEXEC) == 0);
88 }
89
90 if (flags & SOCK_NONBLOCK) {
91 ATF_REQUIRE((fcntl(fd[0], F_GETFL) & O_NONBLOCK) != 0);
92 ATF_REQUIRE((fcntl(fd[1], F_GETFL) & O_NONBLOCK) != 0);
93 } else {
94 ATF_REQUIRE((fcntl(fd[0], F_GETFL) & O_NONBLOCK) == 0);
95 ATF_REQUIRE((fcntl(fd[1], F_GETFL) & O_NONBLOCK) == 0);
96 }
97
98 ATF_REQUIRE(close(fd[0]) != -1);
99 ATF_REQUIRE(close(fd[1]) != -1);
100 }
101
102 ATF_TC(inet);
ATF_TC_HEAD(inet,tc)103 ATF_TC_HEAD(inet, tc)
104 {
105 atf_tc_set_md_var(tc, "descr",
106 "socketpair(2) does not work in the PF_INET domain");
107 }
108
ATF_TC_BODY(inet,tc)109 ATF_TC_BODY(inet, tc)
110 {
111 int fd[2];
112
113 ATF_REQUIRE_EQ(socketpair(PF_INET, SOCK_DGRAM, 0, fd), -1);
114 ATF_REQUIRE_EQ(EOPNOTSUPP, errno);
115 ATF_REQUIRE_EQ(socketpair(PF_INET, SOCK_STREAM, 0, fd), -1);
116 ATF_REQUIRE_EQ(EOPNOTSUPP, errno);
117 }
118
119 ATF_TC(null_sv);
ATF_TC_HEAD(null_sv,tc)120 ATF_TC_HEAD(null_sv, tc)
121 {
122 atf_tc_set_md_var(tc, "descr",
123 "socketpair(2) should fail without return storage");
124 }
125
ATF_TC_BODY(null_sv,tc)126 ATF_TC_BODY(null_sv, tc)
127 {
128 int fd;
129
130 #ifdef __NetBSD__
131 /* This check is harmful since it closes atf's output file */
132 closefrom(3);
133 #else
134 int lowfd = open("/", O_RDONLY);
135 ATF_REQUIRE(lowfd > 0);
136 ATF_REQUIRE_EQ(0, close(lowfd));
137 #endif
138 ATF_REQUIRE_EQ(socketpair(AF_UNIX, SOCK_DGRAM, 0, NULL), -1);
139 ATF_REQUIRE_EQ(EFAULT, errno);
140 fd = open("/", O_RDONLY);
141 #ifdef __NetBSD__
142 ATF_REQUIRE_EQ_MSG(fd, 3,
143 "socketpair(..., NULL) allocated descriptors");
144 #else
145 ATF_REQUIRE_EQ_MSG(fd, lowfd,
146 "socketpair(..., NULL) allocated descriptors: fd=%d, lowfd=%d",
147 fd, lowfd);
148 #endif
149 }
150
151 ATF_TC(socketpair_basic);
ATF_TC_HEAD(socketpair_basic,tc)152 ATF_TC_HEAD(socketpair_basic, tc)
153 {
154 atf_tc_set_md_var(tc, "descr", "A basic test of socketpair(2)");
155 }
156
ATF_TC_BODY(socketpair_basic,tc)157 ATF_TC_BODY(socketpair_basic, tc)
158 {
159 run(AF_UNIX, SOCK_DGRAM, 0);
160 }
161
162 ATF_TC(socketpair_nonblock);
ATF_TC_HEAD(socketpair_nonblock,tc)163 ATF_TC_HEAD(socketpair_nonblock, tc)
164 {
165 atf_tc_set_md_var(tc, "descr", "A non-blocking test of socketpair(2)");
166 }
167
ATF_TC_BODY(socketpair_nonblock,tc)168 ATF_TC_BODY(socketpair_nonblock, tc)
169 {
170 run(AF_UNIX, SOCK_DGRAM, SOCK_NONBLOCK);
171 }
172
173 ATF_TC(socketpair_cloexec);
ATF_TC_HEAD(socketpair_cloexec,tc)174 ATF_TC_HEAD(socketpair_cloexec, tc)
175 {
176 atf_tc_set_md_var(tc, "descr", "A close-on-exec of socketpair(2)");
177 }
178
ATF_TC_BODY(socketpair_cloexec,tc)179 ATF_TC_BODY(socketpair_cloexec, tc)
180 {
181 run(AF_UNIX, SOCK_DGRAM, SOCK_CLOEXEC);
182 }
183
184 ATF_TC(socketpair_stream);
ATF_TC_HEAD(socketpair_stream,tc)185 ATF_TC_HEAD(socketpair_stream, tc)
186 {
187 atf_tc_set_md_var(tc, "descr", "A stream-oriented socketpair(2)");
188 }
189
ATF_TC_BODY(socketpair_stream,tc)190 ATF_TC_BODY(socketpair_stream, tc)
191 {
192 run(AF_UNIX, SOCK_STREAM, 0);
193 }
194
ATF_TP_ADD_TCS(tp)195 ATF_TP_ADD_TCS(tp)
196 {
197
198 ATF_TP_ADD_TC(tp, inet);
199 ATF_TP_ADD_TC(tp, null_sv);
200 ATF_TP_ADD_TC(tp, socketpair_basic);
201 ATF_TP_ADD_TC(tp, socketpair_nonblock);
202 ATF_TP_ADD_TC(tp, socketpair_cloexec);
203 ATF_TP_ADD_TC(tp, socketpair_stream);
204
205 return atf_no_error();
206 }
207