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

   1 /*
   2   some test cases
   3
   4
   5  ./addrtext_s fe80::1%wlanx
   6  ./addrtext_s fe80::1%wlan0
   7  ./addrtext_s fe80::1%23
   8  ./addrtext_s fe80::1%1
   9  ./addrtext_s 2001:ba8:1e3::%wlan0
  10  ./addrtext_s 2001:ba8:1e3::%23
  11  ./addrtext_s 2001:ba8:1e3::%1   # normally lo
  12  ./addrtext_s 127.0.0.1x
  13  ./addrtext_s 172.18.45.6
  14  ./addrtext_s 12345
  15
  16
  17   */
  18
  19 /*
  20  * addrtext.c
  21  * - test program for address<->string conversion, not part of the library
  22  */
  23 /*
  24  *  This file is part of adns, which is
  25  *    Copyright (C) 1997-2000,2003,2006,2014  Ian Jackson
  26  *    Copyright (C) 1999-2000,2003,2006  Tony Finch
  27  *    Copyright (C) 1991 Massachusetts Institute of Technology
  28  *  (See the file INSTALL for full details.)
  29  *
  30  *  This program is free software; you can redistribute it and/or modify
  31  *  it under the terms of the GNU General Public License as published by
  32  *  the Free Software Foundation; either version 3, or (at your option)
  33  *  any later version.
  34  *
  35  *  This program is distributed in the hope that it will be useful,
  36  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  37  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  38  *  GNU General Public License for more details.
  39  *
  40  *  You should have received a copy of the GNU General Public License
  41  *  along with this program; if not, write to the Free Software Foundation.
  42  */
  43
  44 #include <sys/types.h>
  45 #include <sys/socket.h>
  46 #include <netdb.h>
  47 #include <stdbool.h>
  48 #include <string.h>
  49 #include <errno.h>
  50 #include <inttypes.h>
  51
  52 #include "config.h"
  53 #include "adns.h"
  54
  55 #define PORT 1234
  56
  57 #define STRING(x) STRING2(x)
  58 #define STRING2(x) #x
  59
  60 static int fails;
  61
  62 static void hex(const void *data_v, int l) {
  63   const uint8_t *data= data_v;
  64   int i;
  65   for (i=0; i<l; i++)
  66     printf("%02x",data[i]);
  67 }
  68
  69 static void dump(const char *pfx, struct sockaddr *sa, socklen_t salen) {
  70   int i;
  71   printf(" %s: ",pfx);
  72   hex(sa, salen);
  73
  74   for (i=0; i<salen; i++)
  75     printf("%02x",((const uint8_t*)sa)[i]);
  76
  77   printf(" %d ", sa->sa_family);
  78
  79   switch (sa->sa_family) {
  80   case AF_INET: {
  81     const struct sockaddr_in *s = (const void*)sa;
  82     printf(".port=%d .addr=%08"PRIx32"",
  83            ntohs(s->sin_port),
  84            (uint32_t)ntohl(s->sin_addr.s_addr));
  85     break;
  86   }
  87   case AF_INET6: {
  88     const struct sockaddr_in6 *s = (const void*)sa;
  89     printf(".port=%d .flowinfo=%08"PRIx32" .scope_id=%08"PRIx32" .addr=",
  90            ntohs(s->sin6_port),
  91            (uint32_t)ntohl(s->sin6_flowinfo),
  92            (uint32_t)ntohl(s->sin6_scope_id));
  93     hex(&s->sin6_addr, sizeof(s->sin6_addr));
  94     break;
  95   }
  96   }
  97   printf("\n");
  98 }
  99
 100 static void dotest(const char *input) {
 101   adns_sockaddr ours;
 102   socklen_t socklen;
 103   struct addrinfo aip;
 104   struct addrinfo *air=0;
 105   char ourbuf[ADNS_ADDR2TEXT_BUFLEN];
 106   char theirbuf[ADNS_ADDR2TEXT_BUFLEN];
 107
 108   memset(&ours,0,sizeof(ours));
 109
 110   socklen= sizeof(ours);
 111   int our_r= adns_text2addr(input,PORT,0,&ours.sa,&socklen);
 112
 113   memset(&aip,0,sizeof(aip));
 114   aip.ai_flags= AI_NUMERICHOST|AI_NUMERICSERV;
 115   aip.ai_socktype= SOCK_DGRAM;
 116   aip.ai_protocol= IPPROTO_UDP;
 117   air= 0;
 118   int libc_r= getaddrinfo(input,STRING(PORT),&aip,&air);
 119   printf("`%s': us %s; libc %s, air=%p",
 120          input, strerror(our_r), libc_r ? gai_strerror(libc_r) : "0", air);
 121   if (air)
 122     printf(" .family=%d .socklen=%ld .addr=%p .next=%p",
 123            air->ai_family, (long)air->ai_addrlen, air->ai_addr, air->ai_next);
 124   printf(":");
 125
 126   if (libc_r==EAI_NONAME && !air) {
 127     if (strchr(input,'%') && (our_r==ENOSYS || our_r==ENXIO)) {
 128       printf(" bad-scope");
 129       goto ok;
 130     }
 131     if (strchr(input,'%') && our_r==ENOSYS) {
 132       printf(" bad-scope");
 133       goto ok;
 134     }
 135     if (our_r==EINVAL) {
 136       printf(" invalid");
 137       goto ok;
 138     }
 139   }
 140   printf(" valid");
 141
 142 #define FAIL do{ printf(" | FAIL\n"); fails++; }while(0)
 143 #define WANT(x) if (!(x)) { printf(" not %s",STRING(x)); FAIL; return; } else;
 144
 145   WANT(!our_r);
 146   WANT(!libc_r);
 147   WANT(air);
 148   WANT(air->ai_addr);
 149   WANT(!air->ai_next);
 150   if (air->ai_addrlen!=socklen || memcmp(&ours,air->ai_addr,socklen)) {
 151     printf(" mismatch");
 152     FAIL;
 153     dump("ours",&ours.sa,socklen);
 154     dump("libc",air->ai_addr,air->ai_addrlen);
 155     return;
 156   }
 157
 158   printf(" |");
 159
 160   int ourbuflen= sizeof(ourbuf);
 161   int ourport;
 162   our_r= adns_addr2text(&ours.sa,0, ourbuf,&ourbuflen, &ourport);
 163
 164   printf(" us %s",strerror(our_r));
 165   if (!our_r)
 166     printf(" `%s'",ourbuf);
 167
 168   size_t theirbuflen= sizeof(theirbuf);
 169   libc_r= getnameinfo(&ours.sa,socklen, theirbuf,theirbuflen, 0,0,
 170                       NI_NUMERICHOST|NI_NUMERICSERV);
 171   printf("; libc %s", libc_r ? gai_strerror(libc_r) : "0");
 172   if (!libc_r)
 173     printf(" `%s'",theirbuf);
 174
 175   printf(":");
 176
 177   WANT(!our_r);
 178   WANT(!libc_r);
 179   WANT(ourport==PORT);
 180   if (strcmp(ourbuf,theirbuf)) {
 181     printf(" mismatch");
 182     FAIL;
 183     return;
 184   }
 185
 186  ok:
 187   printf(" | PASS\n");
 188 }
 189
 190 int main(int argc, char **argv) {
 191   const char *arg;
 192   while ((arg= *++argv)) {
 193     dotest(arg);
 194   }
 195   return !!fails;
 196 }