xref: /freebsd/crypto/heimdal/lib/roken/getaddrinfo-test.c (revision 1e413cf93298b5b97441a21d9a50fdcd0ee9945e)
1 /*
2  * Copyright (c) 1999 - 2000 Kungliga Tekniska H�gskolan
3  * (Royal Institute of Technology, Stockholm, Sweden).
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  *
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  *
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * 3. Neither the name of the Institute nor the names of its contributors
18  *    may be used to endorse or promote products derived from this software
19  *    without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  */
33 
34 #ifdef HAVE_CONFIG_H
35 #include <config.h>
36 RCSID("$Id: getaddrinfo-test.c,v 1.4 2001/02/20 01:44:54 assar Exp $");
37 #endif
38 
39 #include "roken.h"
40 #include "getarg.h"
41 
42 static int flags;
43 static int family;
44 static int socktype;
45 
46 static int version_flag;
47 static int help_flag;
48 
49 static struct getargs args[] = {
50     {"flags",	0,	arg_integer,	&flags,		"flags",	NULL},
51     {"family",	0,	arg_integer,	&family,	"family",	NULL},
52     {"socktype",0,	arg_integer,	&socktype,	"socktype",	NULL},
53     {"version",	0,	arg_flag,	&version_flag,	"print version",NULL},
54     {"help",	0,	arg_flag,	&help_flag,	NULL,		NULL}
55 };
56 
57 static void
58 usage(int ret)
59 {
60     arg_printusage (args,
61 		    sizeof(args) / sizeof(args[0]),
62 		    NULL,
63 		    "[nodename servname...]");
64     exit (ret);
65 }
66 
67 static void
68 doit (const char *nodename, const char *servname)
69 {
70     struct addrinfo hints;
71     struct addrinfo *res, *r;
72     int ret;
73 
74     printf ("(%s,%s)... ", nodename ? nodename : "null", servname);
75 
76     memset (&hints, 0, sizeof(hints));
77     hints.ai_flags    = flags;
78     hints.ai_family   = family;
79     hints.ai_socktype = socktype;
80 
81     ret = getaddrinfo (nodename, servname, &hints, &res);
82     if (ret) {
83 	printf ("error: %s\n", gai_strerror(ret));
84 	return;
85     }
86     printf ("\n");
87 
88     for (r = res; r != NULL; r = r->ai_next) {
89 	char addrstr[256];
90 
91 	if (inet_ntop (r->ai_family,
92 		       socket_get_address (r->ai_addr),
93 		       addrstr, sizeof(addrstr)) == NULL) {
94 	    printf ("\tbad address?\n");
95 	    continue;
96 	}
97 	printf ("\t(family = %d, socktype = %d, protocol = %d, "
98 		"address = \"%s\", port = %d",
99 		r->ai_family, r->ai_socktype, r->ai_protocol,
100 		addrstr,
101 		ntohs(socket_get_port (r->ai_addr)));
102 	if (r->ai_canonname)
103 	    printf (", canonname = \"%s\"", r->ai_canonname);
104 	printf ("\n");
105     }
106     freeaddrinfo (res);
107 }
108 
109 int
110 main(int argc, char **argv)
111 {
112     int optind = 0;
113     int i;
114 
115     setprogname (argv[0]);
116 
117     if (getarg (args, sizeof(args) / sizeof(args[0]), argc, argv,
118 		&optind))
119 	usage (1);
120 
121     if (help_flag)
122 	usage (0);
123 
124     if (version_flag) {
125 	fprintf (stderr, "%s from %s-%s)\n", getprogname(), PACKAGE, VERSION);
126 	return 0;
127     }
128 
129     argc -= optind;
130     argv += optind;
131 
132     if (argc % 2 != 0)
133 	usage (1);
134 
135     for (i = 0; i < argc; i += 2) {
136 	const char *nodename = argv[i];
137 
138 	if (strcmp (nodename, "null") == 0)
139 	    nodename = NULL;
140 
141 	doit (nodename, argv[i+1]);
142     }
143     return 0;
144 }
145