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 verbose_counter;
  44 static int version_flag;
  45 static int help_flag;
  46
  47 static struct getargs args[] = {
  48     {"verbose", 0,      arg_counter,    &verbose_counter,"verbose",     NULL},
  49     {"flags",   0,      arg_integer,    &flags,         "flags",        NULL},
  50     {"family",  0,      arg_integer,    &family,        "family",       NULL},
  51     {"socktype",0,      arg_integer,    &socktype,      "socktype",     NULL},
  52     {"version", 0,      arg_flag,       &version_flag,  "print version",NULL},
  53     {"help",    0,      arg_flag,       &help_flag,     NULL,           NULL}
  54 };
  55
  56 static void
  57 usage(int ret)
  58 {
  59     arg_printusage (args,
  60                     sizeof(args) / sizeof(args[0]),
  61                     NULL,
  62                     "[nodename servname...]");
  63     exit (ret);
  64 }
  65
  66 static void
  67 doit (const char *nodename, const char *servname)
  68 {
  69     struct addrinfo hints;
  70     struct addrinfo *res, *r;
  71     int ret;
  72
  73     if (verbose_counter)
  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         errx(1, "error: %s\n", gai_strerror(ret));
  84
  85     if (verbose_counter)
  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             if (verbose_counter)
  95                 printf ("\tbad address?\n");
  96             continue;
  97         }
  98         if (verbose_counter) {
  99             printf ("\tfamily = %d, socktype = %d, protocol = %d, "
 100                     "address = \"%s\", port = %d",
 101                     r->ai_family, r->ai_socktype, r->ai_protocol,
 102                     addrstr,
 103                     ntohs(socket_get_port (r->ai_addr)));
 104             if (r->ai_canonname)
 105                 printf (", canonname = \"%s\"", r->ai_canonname);
 106             printf ("\n");
 107         }
 108     }
 109     freeaddrinfo (res);
 110 }
 111
 112 int
 113 main(int argc, char **argv)
 114 {
 115     int optidx = 0;
 116     int i;
 117
 118     setprogname (argv[0]);
 119
 120     if (getarg (args, sizeof(args) / sizeof(args[0]), argc, argv,
 121                 &optidx))
 122         usage (1);
 123
 124     if (help_flag)
 125         usage (0);
 126
 127     if (version_flag) {
 128         fprintf (stderr, "%s from %s-%s\n", getprogname(), PACKAGE, VERSION);
 129         return 0;
 130     }
 131
 132     argc -= optidx;
 133     argv += optidx;
 134
 135     if (argc % 2 != 0)
 136         usage (1);
 137
 138     for (i = 0; i < argc; i += 2) {
 139         const char *nodename = argv[i];
 140
 141         if (strcmp (nodename, "null") == 0)
 142             nodename = NULL;
 143
 144         doit (nodename, argv[i+1]);
 145     }
 146     return 0;
 147 }