1 /* $NetBSD: t_listen.c,v 1.4 2012/03/18 07:00:52 jruoho Exp $ */
2 /*
3 * Copyright (c) 2007 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 <atf-c.h>
30 #include <err.h>
31 #include <errno.h>
32 #include <fcntl.h>
33 #include <string.h>
34 #include <unistd.h>
35
36 #include <arpa/inet.h>
37 #include <netinet/in.h>
38
39 static const char *path = "listen";
40
41 ATF_TC_WITH_CLEANUP(listen_err);
ATF_TC_HEAD(listen_err,tc)42 ATF_TC_HEAD(listen_err, tc)
43 {
44 atf_tc_set_md_var(tc, "descr",
45 "Checks errors from listen(2) (PR standards/46150)");
46 }
47
ATF_TC_BODY(listen_err,tc)48 ATF_TC_BODY(listen_err, tc)
49 {
50 static const size_t siz = sizeof(struct sockaddr_in);
51 struct sockaddr_in sina, sinb;
52 int fda, fdb, fdc;
53
54 (void)memset(&sina, 0, sizeof(struct sockaddr_in));
55 (void)memset(&sinb, 0, sizeof(struct sockaddr_in));
56
57 sina.sin_family = AF_INET;
58 sina.sin_port = htons(31522);
59 sina.sin_addr.s_addr = inet_addr("127.0.0.1");
60
61 sinb.sin_family = AF_INET;
62 sinb.sin_port = htons(31522);
63 sinb.sin_addr.s_addr = inet_addr("127.0.0.1");
64
65 fda = socket(AF_INET, SOCK_STREAM, 0);
66 fdb = socket(AF_INET, SOCK_STREAM, 0);
67 fdc = open("listen", O_RDWR | O_CREAT, 0600);
68
69 ATF_REQUIRE(fda >= 0 && fdb >= 0 && fdc >= 0);
70 ATF_REQUIRE_ERRNO(ENOTSOCK, listen(fdc, 1) == -1);
71
72 (void)close(fdc);
73 (void)unlink(path);
74
75 ATF_REQUIRE(bind(fda, (struct sockaddr *)&sina, siz) == 0);
76 ATF_REQUIRE(listen(fda, 1) == 0);
77
78 /*
79 * According to IEEE Std 1003.1-2008: if the socket is
80 * already connected, the call should fail with EINVAL.
81 */
82 ATF_REQUIRE(connect(fdb, (struct sockaddr *)&sinb, siz) == 0);
83 ATF_REQUIRE_ERRNO(EINVAL, listen(fdb, 1) == -1);
84
85 (void)close(fda);
86 (void)close(fdb);
87
88 ATF_REQUIRE_ERRNO(EBADF, connect(fdb,
89 (struct sockaddr *)&sinb, siz) == -1);
90 }
91
ATF_TC_CLEANUP(listen_err,tc)92 ATF_TC_CLEANUP(listen_err, tc)
93 {
94 (void)unlink(path);
95 }
96
97 ATF_TC(listen_low_port);
ATF_TC_HEAD(listen_low_port,tc)98 ATF_TC_HEAD(listen_low_port, tc)
99 {
100 atf_tc_set_md_var(tc, "descr", "Does low-port allocation work?");
101 atf_tc_set_md_var(tc, "require.user", "root");
102 }
103
ATF_TC_BODY(listen_low_port,tc)104 ATF_TC_BODY(listen_low_port, tc)
105 {
106 int sd, val;
107
108 sd = socket(AF_INET, SOCK_STREAM, 0);
109
110 val = IP_PORTRANGE_LOW;
111 if (setsockopt(sd, IPPROTO_IP, IP_PORTRANGE, &val,
112 sizeof(val)) == -1)
113 atf_tc_fail("setsockopt failed: %s", strerror(errno));
114
115 if (listen(sd, 5) == -1) {
116 int serrno = errno;
117 atf_tc_fail("listen failed: %s%s",
118 strerror(serrno),
119 serrno != EACCES ? "" :
120 " (see http://mail-index.netbsd.org/"
121 "source-changes/2007/12/16/0011.html)");
122 }
123
124 close(sd);
125 }
126
ATF_TP_ADD_TCS(tp)127 ATF_TP_ADD_TCS(tp)
128 {
129
130 ATF_TP_ADD_TC(tp, listen_err);
131 ATF_TP_ADD_TC(tp, listen_low_port);
132
133 return 0;
134 }
135