t_connect.c revision 313498 
1/*	$NetBSD: t_connect.c,v 1.2 2015/04/05 23:17:41 rtr Exp $	*/
2/*
3 * Copyright (c) 2007, 2008 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 <err.h>
30#include <errno.h>
31#include <string.h>
32#include <unistd.h>
33
34#include <arpa/inet.h>
35#include <netinet/in.h>
36
37#include <atf-c.h>
38
39#ifdef __FreeBSD__
40#include <sys/socket.h>
41#endif
42
43ATF_TC(connect_low_port);
44ATF_TC_HEAD(connect_low_port, tc)
45{
46	atf_tc_set_md_var(tc, "descr", "Checks that low-port allocation "
47	    "works");
48	atf_tc_set_md_var(tc, "require.user", "root");
49}
50ATF_TC_BODY(connect_low_port, tc)
51{
52	struct sockaddr_in sin, sinlist;
53	int sd, val, slist;
54	socklen_t slen;
55
56	slist = socket(AF_INET, SOCK_STREAM, 0);
57	sd = socket(AF_INET, SOCK_STREAM, 0);
58
59#ifdef __FreeBSD__
60	ATF_REQUIRE(sd > 0);
61	ATF_REQUIRE(slist > 0);
62#endif
63
64	/* bind listening socket */
65	memset(&sinlist, 0, sizeof(sinlist));
66	sinlist.sin_family = AF_INET;
67	sinlist.sin_port = htons(31522);
68	sinlist.sin_addr.s_addr = inet_addr("127.0.0.1");
69
70	ATF_REQUIRE_EQ(bind(slist,
71	    (struct sockaddr *)&sinlist, sizeof(sinlist)), 0);
72	ATF_REQUIRE_EQ(listen(slist, 1), 0);
73
74	val = IP_PORTRANGE_LOW;
75	if (setsockopt(sd, IPPROTO_IP, IP_PORTRANGE, &val,
76	    sizeof(val)) == -1)
77		atf_tc_fail("setsockopt failed: %s", strerror(errno));
78
79	memset(&sin, 0, sizeof(sin));
80
81	sin.sin_port = htons(31522);
82	sin.sin_addr.s_addr = inet_addr("127.0.0.1");
83	sin.sin_family = AF_INET;
84
85	if (connect(sd, (struct sockaddr *)&sin, sizeof(sin)) == -1) {
86		int serrno = errno;
87		atf_tc_fail("connect failed: %s%s",
88		    strerror(serrno),
89		    serrno != EACCES ? "" :
90		    " (see http://mail-index.netbsd.org/"
91		    "source-changes/2007/12/16/0011.html)");
92	}
93
94	slen = sizeof(sin);
95	ATF_REQUIRE_EQ(getsockname(sd, (struct sockaddr *)&sin, &slen), 0);
96	ATF_REQUIRE_EQ(slen, sizeof(sin));
97	ATF_REQUIRE(ntohs(sin.sin_port) <= IPPORT_RESERVEDMAX);
98
99	close(sd);
100#ifdef __FreeBSD__
101	close(slist);
102#endif
103}
104
105ATF_TC(connect_foreign_family);
106ATF_TC_HEAD(connect_foreign_family, tc)
107{
108	atf_tc_set_md_var(tc, "descr", "Checks that connecting a socket "
109	    "with a different address family fails");
110}
111ATF_TC_BODY(connect_foreign_family, tc)
112{
113	struct sockaddr_in addr;
114
115	/* addr.sin_family = AF_UNSPEC = 0 */
116	memset(&addr, 0, sizeof(addr));
117
118	/*
119	 * it is not necessary to initialize sin_{addr,port} since
120	 * those structure members shall not be accessed if connect
121	 * fails correctly.
122	 */
123
124	int sock = socket(AF_LOCAL, SOCK_STREAM, 0);
125	ATF_REQUIRE(sock != -1);
126
127	ATF_REQUIRE(-1 == connect(sock, (struct sockaddr *)&addr, sizeof(addr)));
128	ATF_REQUIRE(EAFNOSUPPORT == errno);
129
130	close(sock);
131}
132
133ATF_TP_ADD_TCS(tp)
134{
135
136	ATF_TP_ADD_TC(tp, connect_low_port);
137	ATF_TP_ADD_TC(tp, connect_foreign_family);
138
139	return atf_no_error();
140}
141