xref: /freebsd/contrib/netbsd-tests/lib/libc/sys/t_connect.c (revision 4436b51dff5736e74da464946049ea6899a88938)
1 /*	$NetBSD: t_connect.c,v 1.1 2011/11/05 18:19:02 jruoho 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 
43 ATF_TC(connect_low_port);
44 ATF_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 }
50 ATF_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 	/* 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 }
96 
97 ATF_TP_ADD_TCS(tp)
98 {
99 
100 	ATF_TP_ADD_TC(tp, connect_low_port);
101 
102 	return atf_no_error();
103 }
104