1 /* $OpenBSD: t_connect.c,v 1.1 2021/09/02 12:40:44 mbuhl Exp $ */
2 /* $NetBSD: t_connect.c,v 1.3 2017/01/13 20:09:48 christos Exp $ */
3 /*
4 * Copyright (c) 2007, 2008 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
17 * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
18 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
23 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
25 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
26 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
27 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29 #include "macros.h"
30
31 #include <sys/socket.h>
32 #include <err.h>
33 #include <errno.h>
34 #include <string.h>
35 #include <unistd.h>
36
37 #include <arpa/inet.h>
38 #include <netinet/in.h>
39
40 #include "atf-c.h"
41
42 ATF_TC(connect_low_port);
ATF_TC_HEAD(connect_low_port,tc)43 ATF_TC_HEAD(connect_low_port, tc)
44 {
45 atf_tc_set_md_var(tc, "descr", "Checks that low-port allocation "
46 "works");
47 atf_tc_set_md_var(tc, "require.user", "root");
48 }
ATF_TC_BODY(connect_low_port,tc)49 ATF_TC_BODY(connect_low_port, tc)
50 {
51 struct sockaddr_in sin, sinlist;
52 int sd, val, slist;
53 socklen_t slen;
54
55 slist = socket(AF_INET, SOCK_STREAM, 0);
56 sd = socket(AF_INET, SOCK_STREAM, 0);
57
58 ATF_REQUIRE(sd > 0);
59 ATF_REQUIRE(slist > 0);
60
61 /* bind listening socket */
62 memset(&sinlist, 0, sizeof(sinlist));
63 sinlist.sin_family = AF_INET;
64 sinlist.sin_port = htons(31522);
65 sinlist.sin_addr.s_addr = inet_addr("127.0.0.1");
66
67 ATF_REQUIRE_EQ(bind(slist,
68 (struct sockaddr *)&sinlist, sizeof(sinlist)), 0);
69 ATF_REQUIRE_EQ(listen(slist, 1), 0);
70
71 val = IP_PORTRANGE_LOW;
72 if (setsockopt(sd, IPPROTO_IP, IP_PORTRANGE, &val,
73 sizeof(val)) == -1)
74 atf_tc_fail("setsockopt failed: %s", strerror(errno));
75
76 memset(&sin, 0, sizeof(sin));
77
78 sin.sin_port = htons(31522);
79 sin.sin_addr.s_addr = inet_addr("127.0.0.1");
80 sin.sin_family = AF_INET;
81
82 if (connect(sd, (struct sockaddr *)&sin, sizeof(sin)) == -1) {
83 int serrno = errno;
84 atf_tc_fail("connect failed: %s%s",
85 strerror(serrno),
86 serrno != EACCES ? "" :
87 " (see http://mail-index.netbsd.org/"
88 "source-changes/2007/12/16/0011.html)");
89 }
90
91 slen = sizeof(sin);
92 ATF_REQUIRE_EQ(getsockname(sd, (struct sockaddr *)&sin, &slen), 0);
93 ATF_REQUIRE_EQ(slen, sizeof(sin));
94 ATF_REQUIRE(ntohs(sin.sin_port) <= IPPORT_RESERVEDMAX);
95
96 close(sd);
97 close(slist);
98 }
99
100 ATF_TC(connect_foreign_family);
ATF_TC_HEAD(connect_foreign_family,tc)101 ATF_TC_HEAD(connect_foreign_family, tc)
102 {
103 atf_tc_set_md_var(tc, "descr", "Checks that connecting a socket "
104 "with a different address family fails");
105 }
ATF_TC_BODY(connect_foreign_family,tc)106 ATF_TC_BODY(connect_foreign_family, tc)
107 {
108 struct sockaddr_in addr;
109
110 /* addr.sin_family = AF_UNSPEC = 0 */
111 memset(&addr, 0, sizeof(addr));
112
113 /*
114 * it is not necessary to initialize sin_{addr,port} since
115 * those structure members shall not be accessed if connect
116 * fails correctly.
117 */
118
119 int sock = socket(AF_LOCAL, SOCK_STREAM, 0);
120 ATF_REQUIRE(sock != -1);
121
122 ATF_REQUIRE(-1 == connect(sock, (struct sockaddr *)&addr, sizeof(addr)));
123 ATF_REQUIRE(EAFNOSUPPORT == errno);
124
125 close(sock);
126 }
127
ATF_TP_ADD_TCS(tp)128 ATF_TP_ADD_TCS(tp)
129 {
130
131 ATF_TP_ADD_TC(tp, connect_low_port);
132 ATF_TP_ADD_TC(tp, connect_foreign_family);
133
134 return atf_no_error();
135 }
136