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) 1997-2000 Ian Jackson <ian@davenant.greenend.org.uk>
   8  *
   9  *  It is part of adns, which is
  10  *    Copyright (C) 1997-2000 Ian Jackson <ian@davenant.greenend.org.uk>
  11  *    Copyright (C) 1999-2000 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 "config.h"
  37 #include "adns.h"
  38
  39 #ifdef ADNS_REGRESS_TEST
  40 # include "hredirect.h"
  41 #endif
  42
  43 struct myctx {
  44   adns_query qu;
  45   int doneyet, found;
  46   const char *fdom;
  47 };
  48
  49 static struct myctx *mcs;
  50 static adns_state ads;
  51 static adns_rrtype *types_a;
  52
  53 static void quitnow(int rc) NONRETURNING;
  54 static void quitnow(int rc) {
  55   free(mcs);
  56   free(types_a);
  57   if (ads) adns_finish(ads);
  58
  59   exit(rc);
  60 }
  61
  62 #ifndef HAVE_POLL
  63 #undef poll
  64 int poll(struct pollfd *ufds, int nfds, int timeout) {
  65   fputs("poll(2) not supported on this system\n",stderr);
  66   quitnow(5);
  67 }
  68 #define adns_beforepoll(a,b,c,d,e) 0
  69 #define adns_afterpoll(a,b,c,d) 0
  70 #endif
  71
  72 static void failure_status(const char *what, adns_status st) NONRETURNING;
  73 static void failure_status(const char *what, adns_status st) {
  74   fprintf(stderr,"adns failure: %s: %s\n",what,adns_strerror(st));
  75   quitnow(2);
  76 }
  77
  78 static void failure_errno(const char *what, int errnoval) NONRETURNING;
  79 static void failure_errno(const char *what, int errnoval) {
  80   fprintf(stderr,"adns failure: %s: errno=%d\n",what,errnoval);
  81   quitnow(2);
  82 }
  83
  84 static void usageerr(const char *why) NONRETURNING;
  85 static void usageerr(const char *why) {
  86   fprintf(stderr,
  87           "bad usage: %s\n"
  88           "usage: adnstest [-<initflagsnum>[,<owninitflags>]] [/<initstring>]\n"
  89           "              [ :<typenum>,... ]\n"
  90           "              [ [<queryflagsnum>[,<ownqueryflags>]/]<domain> ... ]\n"
  91           "initflags:   p  use poll(2) instead of select(2)\n"
  92           "             s  use adns_wait with specified query, instead of 0\n"
  93           "queryflags:  a  print status abbrevs instead of strings\n"
  94           "exit status:  0 ok (though some queries may have failed)\n"
  95           "              1 used by test harness to indicate test failed\n"
  96           "              2 unable to submit or init or some such\n"
  97           "              3 unexpected failure\n"
  98           "              4 usage error\n"
  99           "              5 operation not supported on this system\n",
 100           why);
 101   quitnow(4);
 102 }
 103
 104 static const adns_rrtype defaulttypes[]= {
 105   adns_r_a,
 106   adns_r_ns_raw,
 107   adns_r_cname,
 108   adns_r_soa_raw,
 109   adns_r_ptr_raw,
 110   adns_r_hinfo,
 111   adns_r_mx_raw,
 112   adns_r_txt,
 113   adns_r_rp_raw,
 114
 115   adns_r_addr,
 116   adns_r_ns,
 117   adns_r_ptr,
 118   adns_r_mx,
 119
 120   adns_r_soa,
 121   adns_r_rp,
 122
 123   adns_r_none
 124 };
 125
 126 static void dumptype(adns_status ri, const char *rrtn, const char *fmtn) {
 127   fprintf(stdout, "%s(%s)%s%s",
 128           ri ? "?" : rrtn, ri ? "?" : fmtn ? fmtn : "-",
 129           ri ? " " : "", ri ? adns_strerror(ri) : "");
 130 }
 131
 132 static void fdom_split(const char *fdom, const char **dom_r, int *qf_r,
 133                        char *ownflags, int ownflags_l) {
 134   int qf;
 135   char *ep;
 136
 137   qf= strtoul(fdom,&ep,0);
 138   if (*ep == ',' && strchr(ep,'/')) {
 139     ep++;
 140     while (*ep != '/') {
 141       if (--ownflags_l <= 0) { fputs("too many flags\n",stderr); quitnow(3); }
 142       *ownflags++= *ep++;
 143     }
 144   }
 145   if (*ep != '/') { *dom_r= fdom; *qf_r= 0; }
 146   else { *dom_r= ep+1; *qf_r= qf; }
 147   *ownflags= 0;
 148 }
 149
 150 static int consistsof(const char *string, const char *accept) {
 151   return strspn(string,accept) == strlen(string);
 152 }
 153
 154 int main(int argc, char *const *argv) {
 155   adns_query qu;
 156   struct myctx *mc, *mcw;
 157   void *mcr;
 158   adns_answer *ans;
 159   const char *initstring, *rrtn, *fmtn;
 160   const char *const *fdomlist, *domain;
 161   char *show, *cp;
 162   int len, i, qc, qi, tc, ti, ch, qflags, initflagsnum;
 163   adns_status ri;
 164   int r;
 165   const adns_rrtype *types;
 166   struct timeval now;
 167   char ownflags[10];
 168   char *ep;
 169   const char *initflags, *owninitflags;
 170
 171   if (argv[0] && argv[1] && argv[1][0] == '-') {
 172     initflags= argv[1]+1;
 173     argv++;
 174   } else {
 175     initflags= "";
 176   }
 177   if (argv[0] && argv[1] && argv[1][0] == '/') {
 178     initstring= argv[1]+1;
 179     argv++;
 180   } else {
 181     initstring= 0;
 182   }
 183
 184   initflagsnum= strtoul(initflags,&ep,0);
 185   if (*ep == ',') {
 186     owninitflags= ep+1;
 187     if (!consistsof(owninitflags,"ps")) usageerr("unknown owninitflag");
 188   } else if (!*ep) {
 189     owninitflags= "";
 190   } else {
 191     usageerr("bad <initflagsnum>[,<owninitflags>]");
 192   }
 193
 194   if (argv[0] && argv[1] && argv[1][0] == ':') {
 195     for (cp= argv[1]+1, tc=1; (ch= *cp); cp++)
 196       if (ch==',') tc++;
 197     types_a= malloc(sizeof(*types_a)*(tc+1));
 198     if (!types_a) { perror("malloc types"); quitnow(3); }
 199     for (cp= argv[1]+1, ti=0; ti<tc; ti++) {
 200       types_a[ti]= strtoul(cp,&cp,10);
 201       if ((ch= *cp)) {
 202         if (ch != ',') usageerr("unexpected char (not comma) in or between types");
 203         cp++;
 204       }
 205     }
 206     types_a[ti]= adns_r_none;
 207     types= types_a;
 208     argv++;
 209   } else {
 210     types_a= 0;
 211     types= defaulttypes;
 212   }
 213
 214   if (!(argv[0] && argv[1])) usageerr("no query domains supplied");
 215   fdomlist= (const char *const*)argv+1;
 216
 217   for (qc=0; fdomlist[qc]; qc++);
 218   for (tc=0; types[tc] != adns_r_none; tc++);
 219   mcs= malloc(tc ? sizeof(*mcs)*qc*tc : 1);
 220   if (!mcs) { perror("malloc mcs"); quitnow(3); }
 221
 222   setvbuf(stdout,0,_IOLBF,0);
 223
 224   if (initstring) {
 225     r= adns_init_strcfg(&ads,
 226                         (adns_if_debug|adns_if_noautosys|adns_if_checkc_freq)
 227                         ^initflagsnum,
 228                         stdout,initstring);
 229   } else {
 230     r= adns_init(&ads,
 231                  (adns_if_debug|adns_if_noautosys)^initflagsnum,
 232                  0);
 233   }
 234   if (r) failure_errno("init",r);
 235
 236   for (qi=0; qi<qc; qi++) {
 237     fdom_split(fdomlist[qi],&domain,&qflags,ownflags,sizeof(ownflags));
 238     if (!consistsof(ownflags,"a")) usageerr("unknown ownqueryflag");
 239     for (ti=0; ti<tc; ti++) {
 240       mc= &mcs[qi*tc+ti];
 241       mc->doneyet= 0;
 242       mc->fdom= fdomlist[qi];
 243
 244       fprintf(stdout,"%s flags %d type %d",domain,qflags,types[ti]);
 245       r= adns_submit(ads,domain,types[ti],qflags,mc,&mc->qu);
 246       if (r == ENOSYS) {
 247         fprintf(stdout," not implemented\n");
 248         mc->qu= 0;
 249         mc->doneyet= 1;
 250       } else if (r) {
 251         failure_errno("submit",r);
 252       } else {
 253         ri= adns_rr_info(types[ti], &rrtn,&fmtn,0, 0,0);
 254         putc(' ',stdout);
 255         dumptype(ri,rrtn,fmtn);
 256         fprintf(stdout," submitted\n");
 257       }
 258     }
 259   }
 260
 261   for (;;) {
 262     for (qi=0; qi<qc; qi++) {
 263       for (ti=0; ti<tc; ti++) {
 264         mc= &mcs[qi*tc+ti];
 265         mc->found= 0;
 266       }
 267     }
 268     for (adns_forallqueries_begin(ads);
 269          (qu= adns_forallqueries_next(ads,&mcr));
 270          ) {
 271       mc= mcr;
 272       assert(qu == mc->qu);
 273       assert(!mc->doneyet);
 274       mc->found= 1;
 275     }
 276     mcw= 0;
 277     for (qi=0; qi<qc; qi++) {
 278       for (ti=0; ti<tc; ti++) {
 279         mc= &mcs[qi*tc+ti];
 280         if (mc->doneyet) continue;
 281         assert(mc->found);
 282         if (!mcw) mcw= mc;
 283       }
 284     }
 285     if (!mcw) break;
 286
 287     if (strchr(owninitflags,'s')) {
 288       qu= mcw->qu;
 289       mc= mcw;
 290     } else {
 291       qu= 0;
 292       mc= 0;
 293     }
 294
 295     if (strchr(owninitflags,'p')) {
 296       r= adns_wait_poll(ads,&qu,&ans,&mcr);
 297     } else {
 298       r= adns_wait(ads,&qu,&ans,&mcr);
 299     }
 300     if (r) failure_errno("wait/check",r);
 301
 302     if (mc) assert(mcr==mc);
 303     else mc= mcr;
 304     assert(qu==mc->qu);
 305     assert(!mc->doneyet);
 306
 307     fdom_split(mc->fdom,&domain,&qflags,ownflags,sizeof(ownflags));
 308
 309     if (gettimeofday(&now,0)) { perror("gettimeofday"); quitnow(3); }
 310
 311     ri= adns_rr_info(ans->type, &rrtn,&fmtn,&len, 0,0);
 312     fprintf(stdout, "%s flags %d type ",domain,qflags);
 313     dumptype(ri,rrtn,fmtn);
 314     fprintf(stdout, "%s%s: %s; nrrs=%d; cname=%s; owner=%s; ttl=%ld\n",
 315             ownflags[0] ? " ownflags=" : "", ownflags,
 316             strchr(ownflags,'a')
 317             ? adns_errabbrev(ans->status)
 318             : adns_strerror(ans->status),
 319             ans->nrrs,
 320             ans->cname ? ans->cname : "$",
 321             ans->owner ? ans->owner : "$",
 322             (long)ans->expires - (long)now.tv_sec);
 323     if (ans->nrrs) {
 324       assert(!ri);
 325       for (i=0; i<ans->nrrs; i++) {
 326         ri= adns_rr_info(ans->type, 0,0,0, ans->rrs.bytes + i*len, &show);
 327         if (ri) failure_status("info",ri);
 328         fprintf(stdout," %s\n",show);
 329         free(show);
 330       }
 331     }
 332     free(ans);
 333
 334     mc->doneyet= 1;
 335   }
 336
 337   quitnow(0);
 338 }