1 /*	$NetBSD: getaddrinfo-test.c,v 1.1.1.1 2011/04/13 18:15:41 elric Exp $	*/
2 
3 /*
4  * Copyright (c) 1999 - 2000 Kungliga Tekniska Högskolan
5  * (Royal Institute of Technology, Stockholm, Sweden).
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  *
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.
18  *
19  * 3. Neither the name of the Institute nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  */
35 
36 #include <config.h>
37 
38 #include <krb5/roken.h>
39 #include <krb5/getarg.h>
40 
41 static int flags;
42 static int family;
43 static int socktype;
44 
45 static int verbose_counter;
46 static int version_flag;
47 static int help_flag;
48 
49 static struct getargs args[] = {
50     {"verbose",	0,	arg_counter,	&verbose_counter,"verbose",	NULL},
51     {"flags",	0,	arg_integer,	&flags,		"flags",	NULL},
52     {"family",	0,	arg_integer,	&family,	"family",	NULL},
53     {"socktype",0,	arg_integer,	&socktype,	"socktype",	NULL},
54     {"version",	0,	arg_flag,	&version_flag,	"print version",NULL},
55     {"help",	0,	arg_flag,	&help_flag,	NULL,		NULL}
56 };
57 
58 static void
usage(int ret)59 usage(int ret)
60 {
61     arg_printusage (args,
62 		    sizeof(args) / sizeof(args[0]),
63 		    NULL,
64 		    "[nodename servname...]");
65     exit (ret);
66 }
67 
68 static void
doit(const char * nodename,const char * servname)69 doit (const char *nodename, const char *servname)
70 {
71     struct addrinfo hints;
72     struct addrinfo *res, *r;
73     int ret;
74 
75     if (verbose_counter)
76 	printf ("(%s,%s)... ", nodename ? nodename : "null", servname);
77 
78     memset (&hints, 0, sizeof(hints));
79     hints.ai_flags    = flags;
80     hints.ai_family   = family;
81     hints.ai_socktype = socktype;
82 
83     ret = getaddrinfo (nodename, servname, &hints, &res);
84     if (ret)
85 	errx(1, "error: %s\n", gai_strerror(ret));
86 
87     if (verbose_counter)
88 	printf ("\n");
89 
90     for (r = res; r != NULL; r = r->ai_next) {
91 	char addrstr[256];
92 
93 	if (inet_ntop (r->ai_family,
94 		       socket_get_address (r->ai_addr),
95 		       addrstr, sizeof(addrstr)) == NULL) {
96 	    if (verbose_counter)
97 		printf ("\tbad address?\n");
98 	    continue;
99 	}
100 	if (verbose_counter) {
101 	    printf ("\tfamily = %d, socktype = %d, protocol = %d, "
102 		    "address = \"%s\", port = %d",
103 		    r->ai_family, r->ai_socktype, r->ai_protocol,
104 		    addrstr,
105 		    ntohs(socket_get_port (r->ai_addr)));
106 	    if (r->ai_canonname)
107 		printf (", canonname = \"%s\"", r->ai_canonname);
108 	    printf ("\n");
109 	}
110     }
111     freeaddrinfo (res);
112 }
113 
114 int
main(int argc,char ** argv)115 main(int argc, char **argv)
116 {
117     int optidx = 0;
118     int i;
119 
120     setprogname (argv[0]);
121 
122     if (getarg (args, sizeof(args) / sizeof(args[0]), argc, argv,
123 		&optidx))
124 	usage (1);
125 
126     if (help_flag)
127 	usage (0);
128 
129     if (version_flag) {
130 	fprintf (stderr, "%s from %s-%s\n", getprogname(), PACKAGE, VERSION);
131 	return 0;
132     }
133 
134     argc -= optidx;
135     argv += optidx;
136 
137     if (argc % 2 != 0)
138 	usage (1);
139 
140     for (i = 0; i < argc; i += 2) {
141 	const char *nodename = argv[i];
142 
143 	if (strcmp (nodename, "null") == 0)
144 	    nodename = NULL;
145 
146 	doit (nodename, argv[i+1]);
147     }
148     return 0;
149 }
150