regress/lib/libc/getaddrinfo/gaitest.c

   1 /*      $NetBSD: gaitest.c,v 1.5 2004/01/02 15:07:39 itojun Exp $       */
   2
   3 /*
   4  * Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, and 2002 WIDE Project.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. Neither the name of the project nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  */
  31
  32 #include <sys/types.h>
  33 #include <sys/socket.h>
  34 #include <netinet/in.h>
  35 #include <arpa/inet.h>
  36 #include <netdb.h>
  37 #include <stdio.h>
  38 #include <stdlib.h>
  39 #include <string.h>
  40 #include <unistd.h>
  41
  42 struct addrinfo ai;
  43
  44 char host[NI_MAXHOST];
  45 char serv[NI_MAXSERV];
  46 int vflag = 0;
  47
  48 static void usage(void);
  49 static void print1(const char *, const struct addrinfo *, char *, char *);
  50 int main(int, char *[]);
  51
  52 static void
  53 usage()
  54 {
  55         fprintf(stderr, "usage: test [-f family] [-s socktype] [-p proto] [-DPRSv46] host serv\n");
  56 }
  57
  58 static void
  59 print1(title, res, h, s)
  60         const char *title;
  61         const struct addrinfo *res;
  62         char *h;
  63         char *s;
  64 {
  65         char *start, *end;
  66         int error;
  67         const int niflag = NI_NUMERICHOST;
  68
  69         if (res->ai_addr) {
  70                 error = getnameinfo(res->ai_addr, res->ai_addr->sa_len,
  71                                     host, sizeof(host), serv, sizeof(serv),
  72                                     niflag);
  73                 h = host;
  74                 s = serv;
  75         } else
  76                 error = 0;
  77
  78         if (vflag) {
  79                 start = "\t";
  80                 end = "\n";
  81         } else {
  82                 start = " ";
  83                 end = "";
  84         }
  85         printf("%s%s", title, end);
  86         printf("%sflags 0x%x%s", start, res->ai_flags, end);
  87         printf("%sfamily %d%s", start, res->ai_family, end);
  88         printf("%ssocktype %d%s", start, res->ai_socktype, end);
  89         printf("%sprotocol %d%s", start, res->ai_protocol, end);
  90         printf("%saddrlen %d%s", start, res->ai_addrlen, end);
  91         if (error)
  92                 printf("%serror %d%s", start, error, end);
  93         else {
  94                 printf("%shost %s%s", start, h, end);
  95                 printf("%sserv %s%s", start, s, end);
  96         }
  97 #if 0
  98         if (res->ai_canonname)
  99                 printf("%scname \"%s\"%s", start, res->ai_canonname, end);
 100 #endif
 101         if (!vflag)
 102                 printf("\n");
 103
 104 }
 105
 106 int
 107 main(argc, argv)
 108         int argc;
 109         char *argv[];
 110 {
 111         struct addrinfo *res;
 112         int error, i;
 113         char *p, *q;
 114         extern int optind;
 115         extern char *optarg;
 116         int c;
 117         char nbuf[10];
 118
 119         memset(&ai, 0, sizeof(ai));
 120         ai.ai_family = PF_UNSPEC;
 121         ai.ai_flags |= AI_CANONNAME;
 122         while ((c = getopt(argc, argv, "Df:p:PRs:Sv46")) != -1) {
 123                 switch (c) {
 124                 case 'D':
 125                         ai.ai_socktype = SOCK_DGRAM;
 126                         break;
 127                 case 'f':
 128                         ai.ai_family = atoi(optarg);
 129                         break;
 130                 case 'p':
 131                         ai.ai_protocol = atoi(optarg);
 132                         break;
 133                 case 'P':
 134                         ai.ai_flags |= AI_PASSIVE;
 135                         break;
 136                 case 'R':
 137                         ai.ai_socktype = SOCK_RAW;
 138                         break;
 139                 case 's':
 140                         ai.ai_socktype = atoi(optarg);
 141                         break;
 142                 case 'S':
 143                         ai.ai_socktype = SOCK_STREAM;
 144                         break;
 145                 case 'v':
 146                         vflag++;
 147                         break;
 148                 case '4':
 149                         ai.ai_family = PF_INET;
 150                         break;
 151                 case '6':
 152                         ai.ai_family = PF_INET6;
 153                         break;
 154                 default:
 155                         usage();
 156                         exit(1);
 157                 }
 158         }
 159         argc -= optind;
 160         argv += optind;
 161
 162         if (argc != 2){
 163                 usage();
 164                 exit(1);
 165         }
 166
 167         p = *argv[0] ? argv[0] : NULL;
 168         q = *argv[1] ? argv[1] : NULL;
 169
 170         print1("arg:", &ai, p ? p : "(empty)", q ? q : "(empty)");
 171
 172         error = getaddrinfo(p, q, &ai, &res);
 173         if (error) {
 174                 printf("%s\n", gai_strerror(error));
 175                 exit(1);
 176         }
 177
 178         i = 1;
 179         do {
 180                 snprintf(nbuf, sizeof(nbuf), "ai%d:", i);
 181                 print1(nbuf, res, NULL, NULL);
 182
 183                 i++;
 184         } while ((res = res->ai_next) != NULL);
 185
 186         exit(0);
 187 }