1/*	$NetBSD: t_connect.c,v 1.4 2010/11/03 16:10:25 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 <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
39ATF_TC(connect_low_port);
40ATF_TC_HEAD(connect_low_port, tc)
41{
42	atf_tc_set_md_var(tc, "descr", "Checks that low-port allocation "
43	    "works");
44	atf_tc_set_md_var(tc, "require.user", "root");
45}
46ATF_TC_BODY(connect_low_port, tc)
47{
48	struct sockaddr_in sin, sinlist;
49	int sd, val, slist;
50	socklen_t slen;
51
52	slist = socket(AF_INET, SOCK_STREAM, 0);
53	sd = socket(AF_INET, SOCK_STREAM, 0);
54
55	/* bind listening socket */
56	memset(&sinlist, 0, sizeof(sinlist));
57	sinlist.sin_family = AF_INET;
58	sinlist.sin_port = htons(31522);
59	sinlist.sin_addr.s_addr = inet_addr("127.0.0.1");
60
61	ATF_REQUIRE_EQ(bind(slist,
62	    (struct sockaddr *)&sinlist, sizeof(sinlist)), 0);
63	ATF_REQUIRE_EQ(listen(slist, 1), 0);
64
65	val = IP_PORTRANGE_LOW;
66	if (setsockopt(sd, IPPROTO_IP, IP_PORTRANGE, &val,
67	    sizeof(val)) == -1)
68		atf_tc_fail("setsockopt failed: %s", strerror(errno));
69
70	memset(&sin, 0, sizeof(sin));
71
72	sin.sin_port = htons(31522);
73	sin.sin_addr.s_addr = inet_addr("127.0.0.1");
74	sin.sin_family = AF_INET;
75
76	if (connect(sd, (struct sockaddr *)&sin, sizeof(sin)) == -1) {
77		int serrno = errno;
78		atf_tc_fail("connect failed: %s%s",
79		    strerror(serrno),
80		    serrno != EACCES ? "" :
81		    " (see http://mail-index.netbsd.org/"
82		    "source-changes/2007/12/16/0011.html)");
83	}
84
85	slen = sizeof(sin);
86	ATF_REQUIRE_EQ(getsockname(sd, (struct sockaddr *)&sin, &slen), 0);
87	ATF_REQUIRE_EQ(slen, sizeof(sin));
88	ATF_REQUIRE(ntohs(sin.sin_port) <= IPPORT_RESERVEDMAX);
89
90	close(sd);
91}
92
93ATF_TP_ADD_TCS(tp)
94{
95
96	ATF_TP_ADD_TC(tp, connect_low_port);
97
98	return atf_no_error();
99}
100