lib/roken/getaddrinfo-test.c

   1 /*
   2  * Copyright (c) 1999 - 2000 Kungliga Tekniska Högskolan
   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("$Id$");
  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 ("\tfamily = %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 optidx = 0;
 113     int i;
 114
 115     setprogname (argv[0]);
 116
 117     if (getarg (args, sizeof(args) / sizeof(args[0]), argc, argv,
 118                 &optidx))
 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 -= optidx;
 130     argv += optidx;
 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 }