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 #include <config.h>
  35
  36 #include "roken.h"
  37 #include "getarg.h"
  38
  39 static int flags;
  40 static int family;
  41 static int socktype;
  42
  43 static int version_flag;
  44 static int help_flag;
  45
  46 static struct getargs args[] = {
  47     {"flags",   0,      arg_integer,    &flags,         "flags",        NULL},
  48     {"family",  0,      arg_integer,    &family,        "family",       NULL},
  49     {"socktype",0,      arg_integer,    &socktype,      "socktype",     NULL},
  50     {"version", 0,      arg_flag,       &version_flag,  "print version",NULL},
  51     {"help",    0,      arg_flag,       &help_flag,     NULL,           NULL}
  52 };
  53
  54 static void
  55 usage(int ret)
  56 {
  57     arg_printusage (args,
  58                     sizeof(args) / sizeof(args[0]),
  59                     NULL,
  60                     "[nodename servname...]");
  61     exit (ret);
  62 }
  63
  64 static void
  65 doit (const char *nodename, const char *servname)
  66 {
  67     struct addrinfo hints;
  68     struct addrinfo *res, *r;
  69     int ret;
  70
  71     printf ("(%s,%s)... ", nodename ? nodename : "null", servname);
  72
  73     memset (&hints, 0, sizeof(hints));
  74     hints.ai_flags    = flags;
  75     hints.ai_family   = family;
  76     hints.ai_socktype = socktype;
  77
  78     ret = getaddrinfo (nodename, servname, &hints, &res);
  79     if (ret) {
  80         printf ("error: %s\n", gai_strerror(ret));
  81         return;
  82     }
  83     printf ("\n");
  84
  85     for (r = res; r != NULL; r = r->ai_next) {
  86         char addrstr[256];
  87
  88         if (inet_ntop (r->ai_family,
  89                        socket_get_address (r->ai_addr),
  90                        addrstr, sizeof(addrstr)) == NULL) {
  91             printf ("\tbad address?\n");
  92             continue;
  93         }
  94         printf ("\tfamily = %d, socktype = %d, protocol = %d, "
  95                 "address = \"%s\", port = %d",
  96                 r->ai_family, r->ai_socktype, r->ai_protocol,
  97                 addrstr,
  98                 ntohs(socket_get_port (r->ai_addr)));
  99         if (r->ai_canonname)
 100             printf (", canonname = \"%s\"", r->ai_canonname);
 101         printf ("\n");
 102     }
 103     freeaddrinfo (res);
 104 }
 105
 106 int
 107 main(int argc, char **argv)
 108 {
 109     int optidx = 0;
 110     int i;
 111
 112     setprogname (argv[0]);
 113
 114     if (getarg (args, sizeof(args) / sizeof(args[0]), argc, argv,
 115                 &optidx))
 116         usage (1);
 117
 118     if (help_flag)
 119         usage (0);
 120
 121     if (version_flag) {
 122         fprintf (stderr, "%s from %s-%s\n", getprogname(), PACKAGE, VERSION);
 123         return 0;
 124     }
 125
 126     argc -= optidx;
 127     argv += optidx;
 128
 129     if (argc % 2 != 0)
 130         usage (1);
 131
 132     for (i = 0; i < argc; i += 2) {
 133         const char *nodename = argv[i];
 134
 135         if (strcmp (nodename, "null") == 0)
 136             nodename = NULL;
 137
 138         doit (nodename, argv[i+1]);
 139     }
 140     return 0;
 141 }