1/*	$NetBSD: h_gai.c,v 1.1 2011/01/12 02:58:40 pgoyette Exp $	*/
2
3/*
4 * Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, and 2002 WIDE Project.
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 * 3. Neither the name of the project nor the names of its contributors
16 *    may be used to endorse or promote products derived from this software
17 *    without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32#include <netdb.h>
33#include <stdio.h>
34#include <stdlib.h>
35#include <string.h>
36#include <unistd.h>
37
38#include <sys/types.h>
39#include <sys/socket.h>
40
41#include <netinet/in.h>
42
43#include <arpa/inet.h>
44
45struct addrinfo ai;
46
47char host[NI_MAXHOST];
48char serv[NI_MAXSERV];
49int vflag = 0;
50
51static void usage(void);
52static void print1(const char *, const struct addrinfo *, char *, char *);
53int main(int, char *[]);
54
55static void
56usage()
57{
58	fprintf(stderr, "usage: test [-f family] [-s socktype] [-p proto] [-DPRSv46] host serv\n");
59}
60
61static void
62print1(const char *title, const struct addrinfo *res, char *h, char *s)
63{
64	const char *start, *end;
65	int error;
66	const int niflag = NI_NUMERICHOST;
67
68	if (res->ai_addr) {
69		error = getnameinfo(res->ai_addr, res->ai_addr->sa_len,
70				    host, sizeof(host), serv, sizeof(serv),
71				    niflag);
72		h = host;
73		s = serv;
74	} else
75		error = 0;
76
77	if (vflag) {
78		start = "\t";
79		end = "\n";
80	} else {
81		start = " ";
82		end = "";
83	}
84	printf("%s%s", title, end);
85	printf("%sflags 0x%x%s", start, res->ai_flags, end);
86	printf("%sfamily %d%s", start, res->ai_family, end);
87	printf("%ssocktype %d%s", start, res->ai_socktype, end);
88	printf("%sprotocol %d%s", start, res->ai_protocol, end);
89	printf("%saddrlen %d%s", start, res->ai_addrlen, end);
90	if (error)
91		printf("%serror %d%s", start, error, end);
92	else {
93		printf("%shost %s%s", start, h, end);
94		printf("%sserv %s%s", start, s, end);
95	}
96#if 0
97	if (res->ai_canonname)
98		printf("%scname \"%s\"%s", start, res->ai_canonname, end);
99#endif
100	if (!vflag)
101		printf("\n");
102
103}
104
105int
106main(int argc, char *argv[])
107{
108	struct addrinfo *res;
109	int error, i;
110	char *p, *q;
111	extern int optind;
112	extern char *optarg;
113	int c;
114	char nbuf[10];
115
116	memset(&ai, 0, sizeof(ai));
117	ai.ai_family = PF_UNSPEC;
118	ai.ai_flags |= AI_CANONNAME;
119	while ((c = getopt(argc, argv, "Df:p:PRs:Sv46")) != -1) {
120		switch (c) {
121		case 'D':
122			ai.ai_socktype = SOCK_DGRAM;
123			break;
124		case 'f':
125			ai.ai_family = atoi(optarg);
126			break;
127		case 'p':
128			ai.ai_protocol = atoi(optarg);
129			break;
130		case 'P':
131			ai.ai_flags |= AI_PASSIVE;
132			break;
133		case 'R':
134			ai.ai_socktype = SOCK_RAW;
135			break;
136		case 's':
137			ai.ai_socktype = atoi(optarg);
138			break;
139		case 'S':
140			ai.ai_socktype = SOCK_STREAM;
141			break;
142		case 'v':
143			vflag++;
144			break;
145		case '4':
146			ai.ai_family = PF_INET;
147			break;
148		case '6':
149			ai.ai_family = PF_INET6;
150			break;
151		default:
152			usage();
153			exit(1);
154		}
155	}
156	argc -= optind;
157	argv += optind;
158
159	if (argc != 2){
160		usage();
161		exit(1);
162	}
163
164	p = *argv[0] ? argv[0] : NULL;
165	q = *argv[1] ? argv[1] : NULL;
166
167	strncpy(nbuf, "(empty)", sizeof(nbuf));
168	print1("arg:", &ai, p ? p : nbuf , q ? q : nbuf);
169
170	error = getaddrinfo(p, q, &ai, &res);
171	if (error) {
172		printf("%s\n", gai_strerror(error));
173		exit(1);
174	}
175
176	i = 1;
177	do {
178		snprintf(nbuf, sizeof(nbuf), "ai%d:", i);
179		print1(nbuf, res, NULL, NULL);
180
181		i++;
182	} while ((res = res->ai_next) != NULL);
183	printf("\n");
184
185	exit(0);
186}
187