mdw@git.distorted.org.uk Git - adns/blob - client/addrtext.c

   1 /*
   2  * addrtext.c
   3  * - test program for address<->string conversion, not part of the library
   4  */
   5 /*
   6  *  This file is part of adns, which is
   7  *    Copyright (C) 1997-2000,2003,2006,2014  Ian Jackson
   8  *    Copyright (C) 1999-2000,2003,2006  Tony Finch
   9  *    Copyright (C) 1991 Massachusetts Institute of Technology
  10  *  (See the file INSTALL for full details.)
  11  *
  12  *  This program is free software; you can redistribute it and/or modify
  13  *  it under the terms of the GNU General Public License as published by
  14  *  the Free Software Foundation; either version 2, or (at your option)
  15  *  any later version.
  16  *
  17  *  This program is distributed in the hope that it will be useful,
  18  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  *  GNU General Public License for more details.
  21  *
  22  *  You should have received a copy of the GNU General Public License
  23  *  along with this program; if not, write to the Free Software Foundation,
  24  *  Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  25  */
  26
  27 #include <sys/types.h>
  28 #include <sys/socket.h>
  29 #include <netdb.h>
  30 #include <stdbool.h>
  31 #include <string.h>
  32 #include <errno.h>
  33 #include <inttypes.h>
  34
  35 #include "config.h"
  36 #include "adns.h"
  37
  38 #define PORT 1234
  39
  40 #define STRING(x) STRING2(x)
  41 #define STRING2(x) #x
  42
  43 static int fails;
  44
  45 static void hex(const void *data_v, int l) {
  46   const uint8_t *data= data_v;
  47   int i;
  48   for (i=0; i<l; i++)
  49     printf("%02x",data[i]);
  50 }
  51
  52 static void dump(const char *pfx, struct sockaddr *sa, socklen_t salen) {
  53   int i;
  54   printf(" %s: ",pfx);
  55   hex(sa, salen);
  56
  57   for (i=0; i<salen; i++)
  58     printf("%02x",((const uint8_t*)sa)[i]);
  59
  60   printf(" %d ", sa->sa_family);
  61
  62   switch (sa->sa_family) {
  63   case AF_INET: {
  64     const struct sockaddr_in *s = (const void*)sa;
  65     printf(".port=%d .addr=%08"PRIx32"",
  66            ntohs(s->sin_port),
  67            (uint32_t)ntohl(s->sin_addr.s_addr));
  68     break;
  69   }
  70   case AF_INET6: {
  71     const struct sockaddr_in6 *s = (const void*)sa;
  72     printf(".port=%d .flowinfo=%08"PRIx32" .scope_id=%08"PRIx32" .addr=",
  73            ntohs(s->sin6_port),
  74            (uint32_t)ntohl(s->sin6_flowinfo),
  75            (uint32_t)ntohl(s->sin6_scope_id));
  76     hex(&s->sin6_addr, sizeof(s->sin6_addr));
  77     break;
  78   }
  79   }
  80   printf("\n");
  81 }
  82
  83 static void dotest(const char *input) {
  84   adns_sockaddr ours;
  85   socklen_t socklen;
  86   struct addrinfo aip;
  87   struct addrinfo *air=0;
  88   char ourbuf[ADNS_ADDR2TEXT_BUFLEN];
  89   char theirbuf[ADNS_ADDR2TEXT_BUFLEN];
  90
  91   memset(&ours,0,sizeof(ours));
  92
  93   socklen= sizeof(ours);
  94   int our_r= adns_text2addr(input,PORT,&ours.sa,&socklen);
  95
  96   memset(&aip,0,sizeof(aip));
  97   aip.ai_flags= AI_NUMERICHOST|AI_NUMERICSERV;
  98   aip.ai_socktype= SOCK_DGRAM;
  99   aip.ai_protocol= IPPROTO_UDP;
 100   air= 0;
 101   int libc_r= getaddrinfo(input,STRING(PORT),&aip,&air);
 102   printf("`%s': us %s; libc %s, air=%p",
 103          input, strerror(our_r), libc_r ? gai_strerror(libc_r) : "0", air);
 104   if (air)
 105     printf(" .family=%d .socklen=%ld .addr=%p .next=%p",
 106            air->ai_family, (long)air->ai_addrlen, air->ai_addr, air->ai_next);
 107   printf(":");
 108
 109   if (our_r==EINVAL && libc_r==EAI_NONAME && !air) {
 110     printf(" invalid");
 111     goto ok;
 112   }
 113   printf(" valid");
 114
 115 #define FAIL do{ printf(" | FAIL\n"); fails++; }while(0)
 116 #define WANT(x) if (!(x)) { printf(" not %s",STRING(x)); FAIL; return; } else;
 117
 118   WANT(!our_r);
 119   WANT(!libc_r);
 120   WANT(air);
 121   WANT(air->ai_addr);
 122   WANT(!air->ai_next);
 123   if (air->ai_addrlen!=socklen || memcmp(&ours,air->ai_addr,socklen)) {
 124     printf(" mismatch");
 125     FAIL;
 126     dump("ours",&ours.sa,socklen);
 127     dump("libc",air->ai_addr,air->ai_addrlen);
 128     return;
 129   }
 130
 131   printf(" |");
 132
 133   int ourbuflen= sizeof(ourbuf);
 134   int ourport;
 135   our_r= adns_addr2text(&ours.sa, ourbuf,&ourbuflen, &ourport);
 136
 137   printf(" us %s",strerror(our_r));
 138   if (!our_r)
 139     printf(" `%s'",ourbuf);
 140
 141   size_t theirbuflen= sizeof(theirbuf);
 142   libc_r= getnameinfo(&ours.sa,socklen, theirbuf,theirbuflen, 0,0,
 143                       NI_NUMERICHOST|NI_NUMERICSERV);
 144   printf("; libc %s", libc_r ? gai_strerror(libc_r) : "0");
 145   if (!libc_r)
 146     printf(" `%s'",theirbuf);
 147
 148   printf(":");
 149
 150   WANT(!our_r);
 151   WANT(!libc_r);
 152   WANT(ourport==PORT);
 153   if (strcmp(ourbuf,theirbuf)) {
 154     printf(" mismatch");
 155     FAIL;
 156     return;
 157   }
 158
 159  ok:
 160   printf(" | PASS\n");
 161 }
 162
 163 int main(int argc, char **argv) {
 164   const char *arg;
 165   while ((arg= *++argv)) {
 166     dotest(arg);
 167   }
 168   return !!fails;
 169 }