t_listen.c revision 272343 
1/*	$NetBSD: t_listen.c,v 1.4 2012/03/18 07:00:52 jruoho Exp $	*/
2/*
3 * Copyright (c) 2007 The NetBSD Foundation, Inc.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
16 * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
17 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
22 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
24 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
25 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
26 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include <atf-c.h>
30#include <err.h>
31#include <errno.h>
32#include <fcntl.h>
33#include <string.h>
34#include <unistd.h>
35
36#include <arpa/inet.h>
37#include <netinet/in.h>
38
39static const char *path = "listen";
40
41ATF_TC_WITH_CLEANUP(listen_err);
42ATF_TC_HEAD(listen_err, tc)
43{
44	atf_tc_set_md_var(tc, "descr",
45	    "Checks errors from listen(2) (PR standards/46150)");
46}
47
48ATF_TC_BODY(listen_err, tc)
49{
50	static const size_t siz = sizeof(struct sockaddr_in);
51	struct sockaddr_in sina, sinb;
52	int fda, fdb, fdc;
53
54	(void)memset(&sina, 0, sizeof(struct sockaddr_in));
55	(void)memset(&sinb, 0, sizeof(struct sockaddr_in));
56
57	sina.sin_family = AF_INET;
58	sina.sin_port = htons(31522);
59	sina.sin_addr.s_addr = inet_addr("127.0.0.1");
60
61	sinb.sin_family = AF_INET;
62	sinb.sin_port = htons(31522);
63	sinb.sin_addr.s_addr = inet_addr("127.0.0.1");
64
65	fda = socket(AF_INET, SOCK_STREAM, 0);
66	fdb = socket(AF_INET, SOCK_STREAM, 0);
67	fdc = open("listen", O_RDWR | O_CREAT, 0600);
68
69	ATF_REQUIRE(fda >= 0 && fdb >= 0 && fdc >= 0);
70	ATF_REQUIRE_ERRNO(ENOTSOCK, listen(fdc, 1) == -1);
71
72	(void)close(fdc);
73	(void)unlink(path);
74
75	ATF_REQUIRE(bind(fda, (struct sockaddr *)&sina, siz) == 0);
76	ATF_REQUIRE(listen(fda, 1) == 0);
77
78	/*
79	 * According to IEEE Std 1003.1-2008: if the socket is
80	 * already connected, the call should fail with EINVAL.
81	 */
82	ATF_REQUIRE(connect(fdb, (struct sockaddr *)&sinb, siz) == 0);
83	ATF_REQUIRE_ERRNO(EINVAL, listen(fdb, 1) == -1);
84
85	(void)close(fda);
86	(void)close(fdb);
87
88	ATF_REQUIRE_ERRNO(EBADF, connect(fdb,
89		(struct sockaddr *)&sinb, siz) == -1);
90}
91
92ATF_TC_CLEANUP(listen_err, tc)
93{
94	(void)unlink(path);
95}
96
97ATF_TC(listen_low_port);
98ATF_TC_HEAD(listen_low_port, tc)
99{
100	atf_tc_set_md_var(tc, "descr", "Does low-port allocation work?");
101	atf_tc_set_md_var(tc, "require.user", "root");
102}
103
104ATF_TC_BODY(listen_low_port, tc)
105{
106	int sd, val;
107
108	sd = socket(AF_INET, SOCK_STREAM, 0);
109
110	val = IP_PORTRANGE_LOW;
111	if (setsockopt(sd, IPPROTO_IP, IP_PORTRANGE, &val,
112	    sizeof(val)) == -1)
113		atf_tc_fail("setsockopt failed: %s", strerror(errno));
114
115	if (listen(sd, 5) == -1) {
116		int serrno = errno;
117		atf_tc_fail("listen failed: %s%s",
118		    strerror(serrno),
119		    serrno != EACCES ? "" :
120		    " (see http://mail-index.netbsd.org/"
121		    "source-changes/2007/12/16/0011.html)");
122	}
123
124	close(sd);
125}
126
127ATF_TP_ADD_TCS(tp)
128{
129
130	ATF_TP_ADD_TC(tp, listen_err);
131	ATF_TP_ADD_TC(tp, listen_low_port);
132
133	return 0;
134}
135