1 /* $NetBSD: cltest.c,v 1.6 2015/01/22 05:44:28 christos Exp $ */
4 * Copyright (c) 2015 The NetBSD Foundation, Inc.
7 * This code is derived from software contributed to The NetBSD Foundation
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
35 #include <sys/cdefs.h>
36 __RCSID("$NetBSD: cltest.c,v 1.6 2015/01/22 05:44:28 christos Exp $");
38 #include <sys/types.h>
39 #include <sys/socket.h>
40 #include <netinet/in.h>
41 #include <arpa/inet.h>
55 warnx("Unknown option `%c'", (char)c);
56 fprintf(stderr, "Usage: %s [-u] [-a <addr>] [-m <msg>] [-p <port>]\n",
62 getaddr(const char *a, in_port_t p, struct sockaddr_storage *ss,
67 memset(ss, 0, sizeof(*ss));
71 struct sockaddr_in6 *s6 = (void *)ss;
72 c = inet_pton(AF_INET6, a, &s6->sin6_addr);
73 s6->sin6_family = AF_INET6;
77 struct sockaddr_in *s = (void *)ss;
78 c = inet_pton(AF_INET, a, &s->sin_addr);
79 s->sin_family = AF_INET;
83 #ifdef HAVE_STRUCT_SOCKADDR_SA_LEN
84 ss->ss_len = (uint8_t)*slen;
87 err(EXIT_FAILURE, "Invalid address `%s'", a);
91 main(int argc, char *argv[])
95 struct sockaddr_storage ss;
96 const char *msg = "hello";
97 const char *addr = "127.0.0.1";
98 int type = SOCK_STREAM;
99 in_port_t port = 6161;
103 while ((c = getopt(argc, argv, "a:m:p:u")) != -1) {
112 port = (in_port_t)atoi(optarg);
122 getaddr(addr, port, &ss, &slen);
124 if ((sfd = socket(AF_INET, type, 0)) == -1)
125 err(EXIT_FAILURE, "socket");
127 sockaddr_snprintf(buf, sizeof(buf), "%a:%p", (const void *)&ss);
128 printf("connecting to: %s\n", buf);
129 if (connect(sfd, (const void *)&ss, slen) == -1)
130 err(EXIT_FAILURE, "connect");
132 size_t len = strlen(msg) + 1;
133 if (write(sfd, msg, len) != (ssize_t)len)
134 err(EXIT_FAILURE, "write");