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 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 3, 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  */
  25
  26 #include <stdio.h>
  27 #include <sys/time.h>
  28 #include <unistd.h>
  29 #include <assert.h>
  30 #include <stdlib.h>
  31 #include <string.h>
  32 #include <errno.h>
  33
  34 #define ADNS_FEATURE_MANYAF
  35 #include "config.h"
  36 #include "adns.h"
  37
  38 #ifdef ADNS_REGRESS_TEST
  39 # include "hredirect.h"
  40 #endif
  41
  42 struct myctx {
  43   adns_query qu;
  44   int doneyet, found;
  45   const char *fdom;
  46 };
  47
  48 static struct myctx *mcs;
  49 static adns_state ads;
  50 static adns_rrtype *types_a;
  51
  52 static void quitnow(int rc) NONRETURNING;
  53 static void quitnow(int rc) {
  54   free(mcs);
  55   free(types_a);
  56   if (ads) adns_finish(ads);
  57
  58   exit(rc);
  59 }
  60
  61 #ifndef HAVE_POLL
  62 #undef poll
  63 int poll(struct pollfd *ufds, int nfds, int timeout) {
  64   fputs("poll(2) not supported on this system\n",stderr);
  65   quitnow(5);
  66 }
  67 #define adns_beforepoll(a,b,c,d,e) 0
  68 #define adns_afterpoll(a,b,c,d) 0
  69 #endif
  70
  71 static void failure_status(const char *what, adns_status st) NONRETURNING;
  72 static void failure_status(const char *what, adns_status st) {
  73   fprintf(stderr,"adns failure: %s: %s\n",what,adns_strerror(st));
  74   quitnow(2);
  75 }
  76
  77 static void failure_errno(const char *what, int errnoval) NONRETURNING;
  78 static void failure_errno(const char *what, int errnoval) {
  79   switch (errnoval) {
  80 #define CE(e) \
  81   case e: fprintf(stderr,"adns failure: %s: errno=" #e "\n",what); break
  82   CE(EINVAL);
  83   CE(EINTR);
  84   CE(ESRCH);
  85   CE(EAGAIN);
  86   CE(ENOSYS);
  87   CE(ERANGE);
  88 #undef CE
  89   default: fprintf(stderr,"adns failure: %s: errno=%d\n",what,errnoval); break;
  90   }
  91   quitnow(2);
  92 }
  93
  94 static void usageerr(const char *why) NONRETURNING;
  95 static void usageerr(const char *why) {
  96   fprintf(stderr,
  97           "bad usage: %s\n"
  98           "usage: adnstest [-<initflagsnum>[,<owninitflags>]] [/<initstring>]\n"
  99           "              [ :<typenum>,... ]\n"
 100           "              [ [<queryflagsnum>[,<ownqueryflags>]/]<domain> ... ]\n"
 101           "initflags:   p  use poll(2) instead of select(2)\n"
 102           "             s  use adns_wait with specified query, instead of 0\n"
 103           "queryflags:  a  print status abbrevs instead of strings\n"
 104           "exit status:  0 ok (though some queries may have failed)\n"
 105           "              1 used by test harness to indicate test failed\n"
 106           "              2 unable to submit or init or some such\n"
 107           "              3 unexpected failure\n"
 108           "              4 usage error\n"
 109           "              5 operation not supported on this system\n",
 110           why);
 111   quitnow(4);
 112 }
 113
 114 static const adns_rrtype defaulttypes[]= {
 115   adns_r_a,
 116   adns_r_ns_raw,
 117   adns_r_cname,
 118   adns_r_soa_raw,
 119   adns_r_ptr_raw,
 120   adns_r_hinfo,
 121   adns_r_mx_raw,
 122   adns_r_txt,
 123   adns_r_rp_raw,
 124
 125   adns_r_addr,
 126   adns_r_ns,
 127   adns_r_ptr,
 128   adns_r_mx,
 129
 130   adns_r_soa,
 131   adns_r_rp,
 132
 133   adns_r_none
 134 };
 135
 136 static void dumptype(adns_status ri, const char *rrtn, const char *fmtn) {
 137   fprintf(stdout, "%s(%s)%s%s",
 138           (!ri && rrtn) ? rrtn : "?", ri ? "?" : fmtn ? fmtn : "-",
 139           ri ? " " : "", ri ? adns_strerror(ri) : "");
 140 }
 141
 142 static void fdom_split(const char *fdom, const char **dom_r, int *qf_r,
 143                        char *ownflags, int ownflags_l) {
 144   int qf;
 145   char *ep;
 146
 147   qf= strtoul(fdom,&ep,0);
 148   if (*ep == ',' && strchr(ep,'/')) {
 149     ep++;
 150     while (*ep != '/') {
 151       if (--ownflags_l <= 0) { fputs("too many flags\n",stderr); quitnow(3); }
 152       *ownflags++= *ep++;
 153     }
 154   }
 155   if (*ep != '/') { *dom_r= fdom; *qf_r= 0; }
 156   else { *dom_r= ep+1; *qf_r= qf; }
 157   *ownflags= 0;
 158 }
 159
 160 static int consistsof(const char *string, const char *accept) {
 161   return strspn(string,accept) == strlen(string);
 162 }
 163
 164 int main(int argc, char *const *argv) {
 165   adns_query qu;
 166   struct myctx *mc, *mcw;
 167   void *mcr;
 168   adns_answer *ans;
 169   const char *initstring, *rrtn, *fmtn;
 170   const char *const *fdomlist, *domain;
 171   char *show, *cp;
 172   int len, i, qc, qi, tc, ti, ch, qflags, initflagsnum;
 173   adns_status ri;
 174   int r;
 175   const adns_rrtype *types;
 176   struct timeval now;
 177   char ownflags[10];
 178   char *ep;
 179   const char *initflags, *owninitflags;
 180
 181   if (argv[0] && argv[1] && argv[1][0] == '-') {
 182     initflags= argv[1]+1;
 183     argv++;
 184   } else {
 185     initflags= "";
 186   }
 187   if (argv[0] && argv[1] && argv[1][0] == '/') {
 188     initstring= argv[1]+1;
 189     argv++;
 190   } else {
 191     initstring= 0;
 192   }
 193
 194   initflagsnum= strtoul(initflags,&ep,0);
 195   if (*ep == ',') {
 196     owninitflags= ep+1;
 197     if (!consistsof(owninitflags,"ps")) usageerr("unknown owninitflag");
 198   } else if (!*ep) {
 199     owninitflags= "";
 200   } else {
 201     usageerr("bad <initflagsnum>[,<owninitflags>]");
 202   }
 203
 204   if (argv[0] && argv[1] && argv[1][0] == ':') {
 205     for (cp= argv[1]+1, tc=1; (ch= *cp); cp++)
 206       if (ch==',') tc++;
 207     types_a= malloc(sizeof(*types_a)*(tc+1));
 208     if (!types_a) { perror("malloc types"); quitnow(3); }
 209     for (cp= argv[1]+1, ti=0; ti<tc; ti++) {
 210       types_a[ti]= strtoul(cp,&cp,10);
 211       if ((ch= *cp)) {
 212         if (ch != ',') usageerr("unexpected char (not comma) in or between types");
 213         cp++;
 214       }
 215     }
 216     types_a[ti]= adns_r_none;
 217     types= types_a;
 218     argv++;
 219   } else {
 220     types_a= 0;
 221     types= defaulttypes;
 222   }
 223
 224   if (!(argv[0] && argv[1])) usageerr("no query domains supplied");
 225   fdomlist= (const char *const*)argv+1;
 226
 227   for (qc=0; fdomlist[qc]; qc++);
 228   for (tc=0; types[tc] != adns_r_none; tc++);
 229   mcs= malloc(tc ? sizeof(*mcs)*qc*tc : 1);
 230   if (!mcs) { perror("malloc mcs"); quitnow(3); }
 231
 232   setvbuf(stdout,0,_IOLBF,0);
 233
 234   if (initstring) {
 235     r= adns_init_strcfg(&ads,
 236                         (adns_if_debug|adns_if_noautosys|adns_if_checkc_freq)
 237                         ^initflagsnum,
 238                         stdout,initstring);
 239   } else {
 240     r= adns_init(&ads,
 241                  (adns_if_debug|adns_if_noautosys)^initflagsnum,
 242                  0);
 243   }
 244   if (r) failure_errno("init",r);
 245
 246   for (qi=0; qi<qc; qi++) {
 247     fdom_split(fdomlist[qi],&domain,&qflags,ownflags,sizeof(ownflags));
 248     if (!consistsof(ownflags,"a")) usageerr("unknown ownqueryflag");
 249     for (ti=0; ti<tc; ti++) {
 250       mc= &mcs[qi*tc+ti];
 251       mc->doneyet= 0;
 252       mc->fdom= fdomlist[qi];
 253
 254       fprintf(stdout,"%s flags %d type %d",
 255               domain,qflags,types[ti]&adns_rrt_reprmask);
 256       r= adns_submit(ads,domain,types[ti],qflags,mc,&mc->qu);
 257       if (r == ENOSYS) {
 258         fprintf(stdout," not implemented\n");
 259         mc->qu= 0;
 260         mc->doneyet= 1;
 261       } else if (r) {
 262         failure_errno("submit",r);
 263       } else {
 264         ri= adns_rr_info(types[ti], &rrtn,&fmtn,0, 0,0);
 265         putc(' ',stdout);
 266         dumptype(ri,rrtn,fmtn);
 267         fprintf(stdout," submitted\n");
 268       }
 269     }
 270   }
 271
 272   for (;;) {
 273     for (qi=0; qi<qc; qi++) {
 274       for (ti=0; ti<tc; ti++) {
 275         mc= &mcs[qi*tc+ti];
 276         mc->found= 0;
 277       }
 278     }
 279     for (adns_forallqueries_begin(ads);
 280          (qu= adns_forallqueries_next(ads,&mcr));
 281          ) {
 282       mc= mcr;
 283       assert(qu == mc->qu);
 284       assert(!mc->doneyet);
 285       mc->found= 1;
 286     }
 287     mcw= 0;
 288     for (qi=0; qi<qc; qi++) {
 289       for (ti=0; ti<tc; ti++) {
 290         mc= &mcs[qi*tc+ti];
 291         if (mc->doneyet) continue;
 292         assert(mc->found);
 293         if (!mcw) mcw= mc;
 294       }
 295     }
 296     if (!mcw) break;
 297
 298     if (strchr(owninitflags,'s')) {
 299       qu= mcw->qu;
 300       mc= mcw;
 301     } else {
 302       qu= 0;
 303       mc= 0;
 304     }
 305
 306     if (strchr(owninitflags,'p')) {
 307       r= adns_wait_poll(ads,&qu,&ans,&mcr);
 308     } else {
 309       r= adns_wait(ads,&qu,&ans,&mcr);
 310     }
 311     if (r) failure_errno("wait/check",r);
 312
 313     if (mc) assert(mcr==mc);
 314     else mc= mcr;
 315     assert(qu==mc->qu);
 316     assert(!mc->doneyet);
 317
 318     fdom_split(mc->fdom,&domain,&qflags,ownflags,sizeof(ownflags));
 319
 320     if (gettimeofday(&now,0)) { perror("gettimeofday"); quitnow(3); }
 321
 322     ri= adns_rr_info(ans->type, &rrtn,&fmtn,&len, 0,0);
 323     fprintf(stdout, "%s flags %d type ",domain,qflags);
 324     dumptype(ri,rrtn,fmtn);
 325     fprintf(stdout, "%s%s: %s; nrrs=%d; cname=%s; owner=%s; ttl=%ld\n",
 326             ownflags[0] ? " ownflags=" : "", ownflags,
 327             strchr(ownflags,'a')
 328             ? adns_errabbrev(ans->status)
 329             : adns_strerror(ans->status),
 330             ans->nrrs,
 331             ans->cname ? ans->cname : "$",
 332             ans->owner ? ans->owner : "$",
 333             (long)ans->expires - (long)now.tv_sec);
 334     if (ans->nrrs) {
 335       assert(!ri);
 336       for (i=0; i<ans->nrrs; i++) {
 337         ri= adns_rr_info(ans->type, 0,0,0, ans->rrs.bytes + i*len, &show);
 338         if (ri) failure_status("info",ri);
 339         fprintf(stdout," %s\n",show);
 340         free(show);
 341       }
 342     }
 343     free(ans);
 344
 345     mc->doneyet= 1;
 346   }
 347
 348   quitnow(0);
 349 }