t_connect.c revision 314817 
1/*	$NetBSD: t_connect.c,v 1.3 2017/01/13 20:09:48 christos 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 <sys/socket.h>
30#include <err.h>
31#include <errno.h>
32#include <string.h>
33#include <unistd.h>
34
35#include <arpa/inet.h>
36#include <netinet/in.h>
37
38#include <atf-c.h>
39
40ATF_TC(connect_low_port);
41ATF_TC_HEAD(connect_low_port, tc)
42{
43	atf_tc_set_md_var(tc, "descr", "Checks that low-port allocation "
44	    "works");
45	atf_tc_set_md_var(tc, "require.user", "root");
46}
47ATF_TC_BODY(connect_low_port, tc)
48{
49	struct sockaddr_in sin, sinlist;
50	int sd, val, slist;
51	socklen_t slen;
52
53	slist = socket(AF_INET, SOCK_STREAM, 0);
54	sd = socket(AF_INET, SOCK_STREAM, 0);
55
56	ATF_REQUIRE(sd > 0);
57	ATF_REQUIRE(slist > 0);
58
59	/* bind listening socket */
60	memset(&sinlist, 0, sizeof(sinlist));
61	sinlist.sin_family = AF_INET;
62	sinlist.sin_port = htons(31522);
63	sinlist.sin_addr.s_addr = inet_addr("127.0.0.1");
64
65	ATF_REQUIRE_EQ(bind(slist,
66	    (struct sockaddr *)&sinlist, sizeof(sinlist)), 0);
67	ATF_REQUIRE_EQ(listen(slist, 1), 0);
68
69	val = IP_PORTRANGE_LOW;
70	if (setsockopt(sd, IPPROTO_IP, IP_PORTRANGE, &val,
71	    sizeof(val)) == -1)
72		atf_tc_fail("setsockopt failed: %s", strerror(errno));
73
74	memset(&sin, 0, sizeof(sin));
75
76	sin.sin_port = htons(31522);
77	sin.sin_addr.s_addr = inet_addr("127.0.0.1");
78	sin.sin_family = AF_INET;
79
80	if (connect(sd, (struct sockaddr *)&sin, sizeof(sin)) == -1) {
81		int serrno = errno;
82		atf_tc_fail("connect failed: %s%s",
83		    strerror(serrno),
84		    serrno != EACCES ? "" :
85		    " (see http://mail-index.netbsd.org/"
86		    "source-changes/2007/12/16/0011.html)");
87	}
88
89	slen = sizeof(sin);
90	ATF_REQUIRE_EQ(getsockname(sd, (struct sockaddr *)&sin, &slen), 0);
91	ATF_REQUIRE_EQ(slen, sizeof(sin));
92	ATF_REQUIRE(ntohs(sin.sin_port) <= IPPORT_RESERVEDMAX);
93
94	close(sd);
95	close(slist);
96}
97
98ATF_TC(connect_foreign_family);
99ATF_TC_HEAD(connect_foreign_family, tc)
100{
101	atf_tc_set_md_var(tc, "descr", "Checks that connecting a socket "
102	    "with a different address family fails");
103}
104ATF_TC_BODY(connect_foreign_family, tc)
105{
106	struct sockaddr_in addr;
107
108	/* addr.sin_family = AF_UNSPEC = 0 */
109	memset(&addr, 0, sizeof(addr));
110
111	/*
112	 * it is not necessary to initialize sin_{addr,port} since
113	 * those structure members shall not be accessed if connect
114	 * fails correctly.
115	 */
116
117	int sock = socket(AF_LOCAL, SOCK_STREAM, 0);
118	ATF_REQUIRE(sock != -1);
119
120	ATF_REQUIRE(-1 == connect(sock, (struct sockaddr *)&addr, sizeof(addr)));
121	ATF_REQUIRE(EAFNOSUPPORT == errno);
122
123	close(sock);
124}
125
126ATF_TP_ADD_TCS(tp)
127{
128
129	ATF_TP_ADD_TC(tp, connect_low_port);
130	ATF_TP_ADD_TC(tp, connect_foreign_family);
131
132	return atf_no_error();
133}
134