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

   1 /*
   2  * adnstest.c
   3  * - simple test program, not part of the library
   4  */
   5 /*
   6  *  This file is
   7  *    Copyright (C) 1997-1999 Ian Jackson <ian@davenant.greenend.org.uk>
   8  *
   9  *  It is part of adns, which is
  10  *    Copyright (C) 1997-1999 Ian Jackson <ian@davenant.greenend.org.uk>
  11  *    Copyright (C) 1999 Tony Finch <dot@dotat.at>
  12  *
  13  *  This program is free software; you can redistribute it and/or modify
  14  *  it under the terms of the GNU General Public License as published by
  15  *  the Free Software Foundation; either version 2, or (at your option)
  16  *  any later version.
  17  *
  18  *  This program is distributed in the hope that it will be useful,
  19  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  *  GNU General Public License for more details.
  22  *
  23  *  You should have received a copy of the GNU General Public License
  24  *  along with this program; if not, write to the Free Software Foundation,
  25  *  Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  26  */
  27
  28 #include <stdio.h>
  29 #include <sys/time.h>
  30 #include <unistd.h>
  31 #include <assert.h>
  32 #include <stdlib.h>
  33 #include <string.h>
  34 #include <errno.h>
  35
  36 #include "adns.h"
  37
  38 #include "config.h"
  39
  40 #ifndef OUTPUTSTREAM
  41 # define OUTPUTSTREAM stdout
  42 #endif
  43
  44 #ifndef HAVE_POLL
  45 #undef poll
  46 int poll(struct pollfd *ufds, int nfds, int timeout) {
  47   fputs("poll(2) not supported on this system\n",stderr);
  48   exit(5);
  49 }
  50 #define adns_beforepoll(a,b,c,d,e) 0
  51 #define adns_afterpoll(a,b,c,d) 0
  52 #endif
  53
  54 static void failure_status(const char *what, adns_status st) NONRETURNING;
  55 static void failure_status(const char *what, adns_status st) {
  56   fprintf(stderr,"adns failure: %s: %s\n",what,adns_strerror(st));
  57   exit(2);
  58 }
  59
  60 static void failure_errno(const char *what, int errnoval) NONRETURNING;
  61 static void failure_errno(const char *what, int errnoval) {
  62   fprintf(stderr,"adns failure: %s: errno=%d\n",what,errnoval);
  63   exit(2);
  64 }
  65
  66 static void usageerr(const char *why) NONRETURNING;
  67 static void usageerr(const char *why) {
  68   fprintf(stderr,
  69           "bad usage: %s\n"
  70           "usage: adnstest [-<initflagsnum>[,<owninitflags>]] [/<initstring>]\n"
  71           "              [ :<typenum>,... ]\n"
  72           "              [ [<queryflagsnum>[,<ownqueryflags>]/]<domain> ... ]\n"
  73           "initflags:   p  use poll(2) instead of select(2)\n"
  74           "             s  use adns_wait with specified query, instead of 0\n"
  75           "queryflags:  a  print status abbrevs instead of strings\n"
  76           "exit status:  0 ok (though some queries may have failed)\n"
  77           "              1 used by test harness to indicate test failed\n"
  78           "              2 unable to submit or init or some such\n"
  79           "              3 unexpected failure\n"
  80           "              4 usage error\n"
  81           "              5 operation not supported on this system\n",
  82           why);
  83   exit(4);
  84 }
  85
  86 static const adns_rrtype defaulttypes[]= {
  87   adns_r_a,
  88   adns_r_ns_raw,
  89   adns_r_cname,
  90   adns_r_soa_raw,
  91   adns_r_ptr_raw,
  92   adns_r_hinfo,
  93   adns_r_mx_raw,
  94   adns_r_txt,
  95   adns_r_rp_raw,
  96
  97   adns_r_addr,
  98   adns_r_ns,
  99   adns_r_ptr,
 100   adns_r_mx,
 101
 102   adns_r_soa,
 103   adns_r_rp,
 104
 105   adns_r_none
 106 };
 107
 108 static void dumptype(adns_status ri, const char *rrtn, const char *fmtn) {
 109   fprintf(stdout, "%s(%s)%s%s",
 110           ri ? "?" : rrtn, ri ? "?" : fmtn ? fmtn : "-",
 111           ri ? " " : "", ri ? adns_strerror(ri) : "");
 112 }
 113
 114 static void fdom_split(const char *fdom, const char **dom_r, int *qf_r,
 115                        char *ownflags, int ownflags_l) {
 116   int qf;
 117   char *ep;
 118
 119   qf= strtoul(fdom,&ep,0);
 120   if (*ep == ',' && strchr(ep,'/')) {
 121     ep++;
 122     while (*ep != '/') {
 123       if (--ownflags_l <= 0) { fputs("too many flags\n",stderr); exit(3); }
 124       *ownflags++= *ep++;
 125     }
 126   }
 127   if (*ep != '/') { *dom_r= fdom; *qf_r= 0; }
 128   else { *dom_r= ep+1; *qf_r= qf; }
 129   *ownflags= 0;
 130 }
 131
 132 static int consistsof(const char *string, const char *accept) {
 133   return strspn(string,accept) == strlen(string);
 134 }
 135
 136 int main(int argc, char *const *argv) {
 137   struct myctx {
 138     adns_query qu;
 139     int doneyet, found;
 140     const char *fdom;
 141   };
 142
 143   adns_state ads;
 144   adns_query qu;
 145   struct myctx *mcs, *mc, *mcw;
 146   void *mcr;
 147   adns_answer *ans;
 148   const char *initstring, *rrtn, *fmtn;
 149   const char *const *fdomlist, *domain;
 150   char *show, *cp;
 151   int len, i, qc, qi, tc, ti, ch, qflags, initflagsnum;
 152   adns_status ri;
 153   int r;
 154   const adns_rrtype *types;
 155   struct timeval now;
 156   adns_rrtype *types_a;
 157   char ownflags[10];
 158   char *ep;
 159   const char *initflags, *owninitflags;
 160
 161   if (argv[0] && argv[1] && argv[1][0] == '-') {
 162     initflags= argv[1]+1;
 163     argv++;
 164   } else {
 165     initflags= "";
 166   }
 167   if (argv[0] && argv[1] && argv[1][0] == '/') {
 168     initstring= argv[1]+1;
 169     argv++;
 170   } else {
 171     initstring= 0;
 172   }
 173
 174   initflagsnum= strtoul(initflags,&ep,0);
 175   if (*ep == ',') {
 176     owninitflags= ep+1;
 177     if (!consistsof(owninitflags,"ps")) usageerr("unknown owninitflag");
 178   } else if (!*ep) {
 179     owninitflags= "";
 180   } else {
 181     usageerr("bad <initflagsnum>[,<owninitflags>]");
 182   }
 183
 184   if (argv[0] && argv[1] && argv[1][0] == ':') {
 185     for (cp= argv[1]+1, tc=1; (ch= *cp); cp++)
 186       if (ch==',') tc++;
 187     types_a= malloc(sizeof(*types_a)*(tc+1));
 188     if (!types_a) { perror("malloc types"); exit(3); }
 189     for (cp= argv[1]+1, ti=0; ti<tc; ti++) {
 190       types_a[ti]= strtoul(cp,&cp,10);
 191       if ((ch= *cp)) {
 192         if (ch != ',') usageerr("unexpected char (not comma) in or between types");
 193         cp++;
 194       }
 195     }
 196     *cp++= adns_r_none;
 197     types= types_a;
 198     argv++;
 199   } else {
 200     types= defaulttypes;
 201   }
 202
 203   if (!(argv[0] && argv[1])) usageerr("no query domains supplied");
 204   fdomlist= (const char *const*)argv+1;
 205
 206   for (qc=0; fdomlist[qc]; qc++);
 207   for (tc=0; types[tc] != adns_r_none; tc++);
 208   mcs= malloc(sizeof(*mcs)*qc*tc);
 209   if (!mcs) { perror("malloc mcs"); exit(3); }
 210
 211   if (initstring) {
 212     r= adns_init_strcfg(&ads,
 213                         (adns_if_debug|adns_if_noautosys|adns_if_checkc_freq)
 214                         ^initflagsnum,
 215                         stdout,initstring);
 216   } else {
 217     r= adns_init(&ads,
 218                  (adns_if_debug|adns_if_noautosys)^initflagsnum,
 219                  0);
 220   }
 221   if (r) failure_errno("init",r);
 222
 223   for (qi=0; qi<qc; qi++) {
 224     fdom_split(fdomlist[qi],&domain,&qflags,ownflags,sizeof(ownflags));
 225     if (!consistsof(ownflags,"a")) usageerr("unknown ownqueryflag");
 226     for (ti=0; ti<tc; ti++) {
 227       mc= &mcs[qi*tc+ti];
 228       mc->doneyet= 0;
 229       mc->fdom= fdomlist[qi];
 230
 231       fprintf(stdout,"%s flags %d type %d",domain,qflags,types[ti]);
 232       r= adns_submit(ads,domain,types[ti],qflags,mc,&mc->qu);
 233       if (r == ENOSYS) {
 234         fprintf(stdout," not implemented\n");
 235         mc->qu= 0;
 236         mc->doneyet= 1;
 237       } else if (r) {
 238         failure_errno("submit",r);
 239       } else {
 240         ri= adns_rr_info(types[ti], &rrtn,&fmtn,0, 0,0);
 241         putc(' ',stdout);
 242         dumptype(ri,rrtn,fmtn);
 243         fprintf(stdout," submitted\n");
 244       }
 245     }
 246   }
 247
 248   for (;;) {
 249     for (qi=0; qi<qc; qi++) {
 250       for (ti=0; ti<tc; ti++) {
 251         mc= &mcs[qi*tc+ti];
 252         mc->found= 0;
 253       }
 254     }
 255     for (adns_forallqueries_begin(ads);
 256          (qu= adns_forallqueries_next(ads,&mcr));
 257          ) {
 258       mc= mcr;
 259       assert(qu == mc->qu);
 260       assert(!mc->doneyet);
 261       mc->found= 1;
 262     }
 263     mcw= 0;
 264     for (qi=0; qi<qc; qi++) {
 265       for (ti=0; ti<tc; ti++) {
 266         mc= &mcs[qi*tc+ti];
 267         if (mc->doneyet) continue;
 268         assert(mc->found);
 269         if (!mcw) mcw= mc;
 270       }
 271     }
 272     if (!mcw) break;
 273
 274     if (strchr(owninitflags,'s')) {
 275       qu= mcw->qu;
 276       mc= mcw;
 277     } else {
 278       qu= 0;
 279       mc= 0;
 280     }
 281
 282     if (strchr(owninitflags,'p')) {
 283       r= adns_wait_poll(ads,&qu,&ans,&mcr);
 284     } else {
 285       r= adns_wait(ads,&qu,&ans,&mcr);
 286     }
 287     if (r) failure_errno("wait/check",r);
 288
 289     if (mc) assert(mcr==mc);
 290     else mc= mcr;
 291     assert(qu==mc->qu);
 292     assert(!mc->doneyet);
 293
 294     fdom_split(mc->fdom,&domain,&qflags,ownflags,sizeof(ownflags));
 295
 296     if (gettimeofday(&now,0)) { perror("gettimeofday"); exit(3); }
 297
 298     ri= adns_rr_info(ans->type, &rrtn,&fmtn,&len, 0,0);
 299     fprintf(stdout, "%s flags %d type ",domain,qflags);
 300     dumptype(ri,rrtn,fmtn);
 301     fprintf(stdout, "%s%s: %s; nrrs=%d; cname=%s; owner=%s; ttl=%ld\n",
 302             ownflags[0] ? " ownflags=" : "", ownflags,
 303             strchr(ownflags,'a')
 304             ? adns_errabbrev(ans->status)
 305             : adns_strerror(ans->status),
 306             ans->nrrs,
 307             ans->cname ? ans->cname : "$",
 308             ans->owner ? ans->owner : "$",
 309             (long)ans->expires - (long)now.tv_sec);
 310     if (ans->nrrs) {
 311       assert(!ri);
 312       for (i=0; i<ans->nrrs; i++) {
 313         ri= adns_rr_info(ans->type, 0,0,0, ans->rrs.bytes + i*len, &show);
 314         if (ri) failure_status("info",ri);
 315         fprintf(stdout," %s\n",show);
 316         free(show);
 317       }
 318     }
 319     free(ans);
 320
 321     mc->doneyet= 1;
 322   }
 323
 324   free(mcs);
 325   adns_finish(ads);
 326
 327   exit(0);
 328 }