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
40 ATF_TC(connect_low_port);
ATF_TC_HEAD(connect_low_port,tc)41 ATF_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 }
ATF_TC_BODY(connect_low_port,tc)47 ATF_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
98 ATF_TC(connect_foreign_family);
ATF_TC_HEAD(connect_foreign_family,tc)99 ATF_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 }
ATF_TC_BODY(connect_foreign_family,tc)104 ATF_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
ATF_TP_ADD_TCS(tp)126 ATF_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