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 ATF_TC(connect_low_port);
ATF_TC_HEAD(connect_low_port,tc)40 ATF_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 }
ATF_TC_BODY(connect_low_port,tc)46 ATF_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
93 ATF_TC(connect_foreign_family);
ATF_TC_HEAD(connect_foreign_family,tc)94 ATF_TC_HEAD(connect_foreign_family, tc)
95 {
96 atf_tc_set_md_var(tc, "descr", "Checks that connecting a socket "
97 "with a different address family fails");
98 }
ATF_TC_BODY(connect_foreign_family,tc)99 ATF_TC_BODY(connect_foreign_family, tc)
100 {
101 struct sockaddr_in addr;
102
103 /* addr.sin_family = AF_UNSPEC = 0 */
104 memset(&addr, 0, sizeof(addr));
105
106 /*
107 * it is not necessary to initialize sin_{addr,port} since
108 * those structure members shall not be accessed if connect
109 * fails correctly.
110 */
111
112 int sock = socket(AF_LOCAL, SOCK_STREAM, 0);
113 ATF_REQUIRE(sock != -1);
114
115 ATF_REQUIRE(-1 == connect(sock, (struct sockaddr *)&addr, sizeof(addr)));
116 ATF_REQUIRE(EAFNOSUPPORT == errno);
117
118 close(sock);
119 }
120
ATF_TP_ADD_TCS(tp)121 ATF_TP_ADD_TCS(tp)
122 {
123
124 ATF_TP_ADD_TC(tp, connect_low_port);
125 ATF_TP_ADD_TC(tp, connect_foreign_family);
126
127 return atf_no_error();
128 }
129