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) 2014  Mark Wooding
   9  *    Copyright (C) 1999-2000,2003,2006  Tony Finch
  10  *    Copyright (C) 1991 Massachusetts Institute of Technology
  11  *  (See the file INSTALL for full details.)
  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 3, 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  */
  26
  27 #include <stdio.h>
  28 #include <sys/time.h>
  29 #include <unistd.h>
  30 #include <assert.h>
  31 #include <stdlib.h>
  32 #include <string.h>
  33 #include <errno.h>
  34
  35 #define ADNS_FEATURE_MANYAF
  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   switch (errnoval) {
  81 #define CE(e) \
  82   case e: fprintf(stderr,"adns failure: %s: errno=" #e "\n",what); break
  83   CE(EINVAL);
  84   CE(EINTR);
  85   CE(ESRCH);
  86   CE(EAGAIN);
  87   CE(ENOSYS);
  88   CE(ERANGE);
  89 #undef CE
  90   default: fprintf(stderr,"adns failure: %s: errno=%d\n",what,errnoval); break;
  91   }
  92   quitnow(2);
  93 }
  94
  95 static void usageerr(const char *why) NONRETURNING;
  96 static void usageerr(const char *why) {
  97   fprintf(stderr,
  98           "bad usage: %s\n"
  99           "usage: adnstest [-<initflagsnum>[,<owninitflags>]] [/<initstring>]\n"
 100           "              [ :<typenum>,... ]\n"
 101           "              [ [<queryflagsnum>[,<ownqueryflags>]/]<domain> ... ]\n"
 102           "initflags:   p  use poll(2) instead of select(2)\n"
 103           "             s  use adns_wait with specified query, instead of 0\n"
 104           "queryflags:  a  print status abbrevs instead of strings\n"
 105           "exit status:  0 ok (though some queries may have failed)\n"
 106           "              1 used by test harness to indicate test failed\n"
 107           "              2 unable to submit or init or some such\n"
 108           "              3 unexpected failure\n"
 109           "              4 usage error\n"
 110           "              5 operation not supported on this system\n",
 111           why);
 112   quitnow(4);
 113 }
 114
 115 static const adns_rrtype defaulttypes[]= {
 116   adns_r_a,
 117   adns_r_ns_raw,
 118   adns_r_cname,
 119   adns_r_soa_raw,
 120   adns_r_ptr_raw,
 121   adns_r_hinfo,
 122   adns_r_mx_raw,
 123   adns_r_txt,
 124   adns_r_rp_raw,
 125
 126   adns_r_addr,
 127   adns_r_ns,
 128   adns_r_ptr,
 129   adns_r_mx,
 130
 131   adns_r_soa,
 132   adns_r_rp,
 133
 134   adns_r_none
 135 };
 136
 137 static void dumptype(adns_status ri, const char *rrtn, const char *fmtn) {
 138   fprintf(stdout, "%s(%s)%s%s",
 139           (!ri && rrtn) ? rrtn : "?", ri ? "?" : fmtn ? fmtn : "-",
 140           ri ? " " : "", ri ? adns_strerror(ri) : "");
 141 }
 142
 143 static void fdom_split(const char *fdom, const char **dom_r, int *qf_r,
 144                        char *ownflags, int ownflags_l) {
 145   int qf;
 146   char *ep;
 147
 148   qf= strtoul(fdom,&ep,0);
 149   if (*ep == ',' && strchr(ep,'/')) {
 150     ep++;
 151     while (*ep != '/') {
 152       if (--ownflags_l <= 0) { fputs("too many flags\n",stderr); quitnow(3); }
 153       *ownflags++= *ep++;
 154     }
 155   }
 156   if (*ep != '/') { *dom_r= fdom; *qf_r= 0; }
 157   else { *dom_r= ep+1; *qf_r= qf; }
 158   *ownflags= 0;
 159 }
 160
 161 static int consistsof(const char *string, const char *accept) {
 162   return strspn(string,accept) == strlen(string);
 163 }
 164
 165 int main(int argc, char *const *argv) {
 166   adns_query qu;
 167   struct myctx *mc, *mcw;
 168   void *mcr;
 169   adns_answer *ans;
 170   const char *initstring, *rrtn, *fmtn;
 171   const char *const *fdomlist, *domain;
 172   char *show, *cp;
 173   int len, i, qc, qi, tc, ti, ch, qflags, initflagsnum;
 174   adns_status ri;
 175   int r;
 176   const adns_rrtype *types;
 177   struct timeval now;
 178   char ownflags[10];
 179   char *ep;
 180   const char *initflags, *owninitflags;
 181
 182   if (argv[0] && argv[1] && argv[1][0] == '-') {
 183     initflags= argv[1]+1;
 184     argv++;
 185   } else {
 186     initflags= "";
 187   }
 188   if (argv[0] && argv[1] && argv[1][0] == '/') {
 189     initstring= argv[1]+1;
 190     argv++;
 191   } else {
 192     initstring= 0;
 193   }
 194
 195   initflagsnum= strtoul(initflags,&ep,0);
 196   if (*ep == ',') {
 197     owninitflags= ep+1;
 198     if (!consistsof(owninitflags,"ps")) usageerr("unknown owninitflag");
 199   } else if (!*ep) {
 200     owninitflags= "";
 201   } else {
 202     usageerr("bad <initflagsnum>[,<owninitflags>]");
 203   }
 204
 205   if (argv[0] && argv[1] && argv[1][0] == ':') {
 206     for (cp= argv[1]+1, tc=1; (ch= *cp); cp++)
 207       if (ch==',') tc++;
 208     types_a= malloc(sizeof(*types_a)*(tc+1));
 209     if (!types_a) { perror("malloc types"); quitnow(3); }
 210     for (cp= argv[1]+1, ti=0; ti<tc; ti++) {
 211       types_a[ti]= strtoul(cp,&cp,10);
 212       if ((ch= *cp)) {
 213         if (ch != ',') usageerr("unexpected char (not comma) in or between types");
 214         cp++;
 215       }
 216     }
 217     types_a[ti]= adns_r_none;
 218     types= types_a;
 219     argv++;
 220   } else {
 221     types_a= 0;
 222     types= defaulttypes;
 223   }
 224
 225   if (!(argv[0] && argv[1])) usageerr("no query domains supplied");
 226   fdomlist= (const char *const*)argv+1;
 227
 228   for (qc=0; fdomlist[qc]; qc++);
 229   for (tc=0; types[tc] != adns_r_none; tc++);
 230   mcs= malloc(tc ? sizeof(*mcs)*qc*tc : 1);
 231   if (!mcs) { perror("malloc mcs"); quitnow(3); }
 232
 233   setvbuf(stdout,0,_IOLBF,0);
 234
 235   if (initstring) {
 236     r= adns_init_strcfg(&ads,
 237                         (adns_if_debug|adns_if_noautosys|adns_if_checkc_freq)
 238                         ^initflagsnum,
 239                         stdout,initstring);
 240   } else {
 241     r= adns_init(&ads,
 242                  (adns_if_debug|adns_if_noautosys)^initflagsnum,
 243                  0);
 244   }
 245   if (r) failure_errno("init",r);
 246
 247   for (qi=0; qi<qc; qi++) {
 248     fdom_split(fdomlist[qi],&domain,&qflags,ownflags,sizeof(ownflags));
 249     if (!consistsof(ownflags,"a")) usageerr("unknown ownqueryflag");
 250     for (ti=0; ti<tc; ti++) {
 251       mc= &mcs[qi*tc+ti];
 252       mc->doneyet= 0;
 253       mc->fdom= fdomlist[qi];
 254
 255       fprintf(stdout,"%s flags %d type %d",
 256               domain,qflags,types[ti]&adns_rrt_reprmask);
 257       r= adns_submit(ads,domain,types[ti],qflags,mc,&mc->qu);
 258       if (r == ENOSYS) {
 259         fprintf(stdout," not implemented\n");
 260         mc->qu= 0;
 261         mc->doneyet= 1;
 262       } else if (r) {
 263         failure_errno("submit",r);
 264       } else {
 265         ri= adns_rr_info(types[ti], &rrtn,&fmtn,0, 0,0);
 266         putc(' ',stdout);
 267         dumptype(ri,rrtn,fmtn);
 268         fprintf(stdout," submitted\n");
 269       }
 270     }
 271   }
 272
 273   for (;;) {
 274     for (qi=0; qi<qc; qi++) {
 275       for (ti=0; ti<tc; ti++) {
 276         mc= &mcs[qi*tc+ti];
 277         mc->found= 0;
 278       }
 279     }
 280     for (adns_forallqueries_begin(ads);
 281          (qu= adns_forallqueries_next(ads,&mcr));
 282          ) {
 283       mc= mcr;
 284       assert(qu == mc->qu);
 285       assert(!mc->doneyet);
 286       mc->found= 1;
 287     }
 288     mcw= 0;
 289     for (qi=0; qi<qc; qi++) {
 290       for (ti=0; ti<tc; ti++) {
 291         mc= &mcs[qi*tc+ti];
 292         if (mc->doneyet) continue;
 293         assert(mc->found);
 294         if (!mcw) mcw= mc;
 295       }
 296     }
 297     if (!mcw) break;
 298
 299     if (strchr(owninitflags,'s')) {
 300       qu= mcw->qu;
 301       mc= mcw;
 302     } else {
 303       qu= 0;
 304       mc= 0;
 305     }
 306
 307     if (strchr(owninitflags,'p')) {
 308       r= adns_wait_poll(ads,&qu,&ans,&mcr);
 309     } else {
 310       r= adns_wait(ads,&qu,&ans,&mcr);
 311     }
 312     if (r) failure_errno("wait/check",r);
 313
 314     if (mc) assert(mcr==mc);
 315     else mc= mcr;
 316     assert(qu==mc->qu);
 317     assert(!mc->doneyet);
 318
 319     fdom_split(mc->fdom,&domain,&qflags,ownflags,sizeof(ownflags));
 320
 321     if (gettimeofday(&now,0)) { perror("gettimeofday"); quitnow(3); }
 322
 323     ri= adns_rr_info(ans->type, &rrtn,&fmtn,&len, 0,0);
 324     fprintf(stdout, "%s flags %d type ",domain,qflags);
 325     dumptype(ri,rrtn,fmtn);
 326     fprintf(stdout, "%s%s: %s; nrrs=%d; cname=%s; owner=%s; ttl=%ld\n",
 327             ownflags[0] ? " ownflags=" : "", ownflags,
 328             strchr(ownflags,'a')
 329             ? adns_errabbrev(ans->status)
 330             : adns_strerror(ans->status),
 331             ans->nrrs,
 332             ans->cname ? ans->cname : "$",
 333             ans->owner ? ans->owner : "$",
 334             (long)ans->expires - (long)now.tv_sec);
 335     if (ans->nrrs) {
 336       assert(!ri);
 337       for (i=0; i<ans->nrrs; i++) {
 338         ri= adns_rr_info(ans->type, 0,0,0, ans->rrs.bytes + i*len, &show);
 339         if (ri) failure_status("info",ri);
 340         fprintf(stdout," %s\n",show);
 341         free(show);
 342       }
 343     }
 344     free(ans);
 345
 346     mc->doneyet= 1;
 347   }
 348
 349   quitnow(0);
 350 }