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           "typenum:      may be 0x<hex>|<dec>, or 0x<hex> or <dec>\n"
 106           "exit status:  0 ok (though some queries may have failed)\n"
 107           "              1 used by test harness to indicate test failed\n"
 108           "              2 unable to submit or init or some such\n"
 109           "              3 unexpected failure\n"
 110           "              4 usage error\n"
 111           "              5 operation not supported on this system\n",
 112           why);
 113   quitnow(4);
 114 }
 115
 116 static const adns_rrtype defaulttypes[]= {
 117   adns_r_a,
 118   adns_r_ns_raw,
 119   adns_r_cname,
 120   adns_r_soa_raw,
 121   adns_r_ptr_raw,
 122   adns_r_hinfo,
 123   adns_r_mx_raw,
 124   adns_r_txt,
 125   adns_r_rp_raw,
 126
 127   adns_r_addr,
 128   adns_r_ns,
 129   adns_r_ptr,
 130   adns_r_mx,
 131
 132   adns_r_soa,
 133   adns_r_rp,
 134
 135   adns_r_none
 136 };
 137
 138 static void dumptype(adns_status ri, const char *rrtn, const char *fmtn) {
 139   fprintf(stdout, "%s(%s)%s%s",
 140           (!ri && rrtn) ? rrtn : "?", ri ? "?" : fmtn ? fmtn : "-",
 141           ri ? " " : "", ri ? adns_strerror(ri) : "");
 142 }
 143
 144 static void fdom_split(const char *fdom, const char **dom_r, int *qf_r,
 145                        char *ownflags, int ownflags_l) {
 146   int qf;
 147   char *ep;
 148
 149   qf= strtoul(fdom,&ep,0);
 150   if (*ep == ',' && strchr(ep,'/')) {
 151     ep++;
 152     while (*ep != '/') {
 153       if (--ownflags_l <= 0) { fputs("too many flags\n",stderr); quitnow(3); }
 154       *ownflags++= *ep++;
 155     }
 156   }
 157   if (*ep != '/') { *dom_r= fdom; *qf_r= 0; }
 158   else { *dom_r= ep+1; *qf_r= qf; }
 159   *ownflags= 0;
 160 }
 161
 162 static int consistsof(const char *string, const char *accept) {
 163   return strspn(string,accept) == strlen(string);
 164 }
 165
 166 int main(int argc, char *const *argv) {
 167   adns_query qu;
 168   struct myctx *mc, *mcw;
 169   void *mcr;
 170   adns_answer *ans;
 171   const char *initstring, *rrtn, *fmtn;
 172   const char *const *fdomlist, *domain;
 173   char *show, *cp;
 174   int len, i, qc, qi, tc, ti, ch, qflags, initflagsnum;
 175   adns_status ri;
 176   int r;
 177   const adns_rrtype *types;
 178   struct timeval now;
 179   char ownflags[10];
 180   char *ep;
 181   const char *initflags, *owninitflags;
 182
 183   if (argv[0] && argv[1] && argv[1][0] == '-') {
 184     initflags= argv[1]+1;
 185     argv++;
 186   } else {
 187     initflags= "";
 188   }
 189   if (argv[0] && argv[1] && argv[1][0] == '/') {
 190     initstring= argv[1]+1;
 191     argv++;
 192   } else {
 193     initstring= 0;
 194   }
 195
 196   initflagsnum= strtoul(initflags,&ep,0);
 197   if (*ep == ',') {
 198     owninitflags= ep+1;
 199     if (!consistsof(owninitflags,"ps")) usageerr("unknown owninitflag");
 200   } else if (!*ep) {
 201     owninitflags= "";
 202   } else {
 203     usageerr("bad <initflagsnum>[,<owninitflags>]");
 204   }
 205
 206   if (argv[0] && argv[1] && argv[1][0] == ':') {
 207     for (cp= argv[1]+1, tc=1; (ch= *cp); cp++)
 208       if (ch==',') tc++;
 209     types_a= malloc(sizeof(*types_a)*(tc+1));
 210     if (!types_a) { perror("malloc types"); quitnow(3); }
 211     for (cp= argv[1]+1, ti=0; ti<tc; ) {
 212       types_a[ti]= 0;
 213       for (;;) {
 214         types_a[ti] |= strtoul(cp,&cp,0);
 215         ch= *cp;
 216         if (!ch) break;
 217         cp++;
 218         if (ch=='|') continue;
 219         if (ch==',') break;
 220         usageerr("unexpected char (not comma) in or between types");
 221       }
 222       ti++;
 223       if (!ch) break;
 224     }
 225     types_a[ti]= adns_r_none;
 226     types= types_a;
 227     argv++;
 228   } else {
 229     types_a= 0;
 230     types= defaulttypes;
 231   }
 232
 233   if (!(argv[0] && argv[1])) usageerr("no query domains supplied");
 234   fdomlist= (const char *const*)argv+1;
 235
 236   for (qc=0; fdomlist[qc]; qc++);
 237   for (tc=0; types[tc] != adns_r_none; tc++);
 238   mcs= malloc(tc ? sizeof(*mcs)*qc*tc : 1);
 239   if (!mcs) { perror("malloc mcs"); quitnow(3); }
 240
 241   setvbuf(stdout,0,_IOLBF,0);
 242
 243   if (initstring) {
 244     r= adns_init_strcfg(&ads,
 245                         (adns_if_debug|adns_if_noautosys|adns_if_checkc_freq)
 246                         ^initflagsnum,
 247                         stdout,initstring);
 248   } else {
 249     r= adns_init(&ads,
 250                  (adns_if_debug|adns_if_noautosys)^initflagsnum,
 251                  0);
 252   }
 253   if (r) failure_errno("init",r);
 254
 255   for (qi=0; qi<qc; qi++) {
 256     fdom_split(fdomlist[qi],&domain,&qflags,ownflags,sizeof(ownflags));
 257     if (!consistsof(ownflags,"a")) usageerr("unknown ownqueryflag");
 258     for (ti=0; ti<tc; ti++) {
 259       mc= &mcs[qi*tc+ti];
 260       mc->doneyet= 0;
 261       mc->fdom= fdomlist[qi];
 262
 263       fprintf(stdout,"%s flags %d type %d",
 264               domain,qflags,types[ti]&adns_rrt_reprmask);
 265       r= adns_submit(ads,domain,types[ti],qflags,mc,&mc->qu);
 266       if (r == ENOSYS) {
 267         fprintf(stdout," not implemented\n");
 268         mc->qu= 0;
 269         mc->doneyet= 1;
 270       } else if (r) {
 271         failure_errno("submit",r);
 272       } else {
 273         ri= adns_rr_info(types[ti], &rrtn,&fmtn,0, 0,0);
 274         putc(' ',stdout);
 275         dumptype(ri,rrtn,fmtn);
 276         fprintf(stdout," submitted\n");
 277       }
 278     }
 279   }
 280
 281   for (;;) {
 282     for (qi=0; qi<qc; qi++) {
 283       for (ti=0; ti<tc; ti++) {
 284         mc= &mcs[qi*tc+ti];
 285         mc->found= 0;
 286       }
 287     }
 288     for (adns_forallqueries_begin(ads);
 289          (qu= adns_forallqueries_next(ads,&mcr));
 290          ) {
 291       mc= mcr;
 292       assert(qu == mc->qu);
 293       assert(!mc->doneyet);
 294       mc->found= 1;
 295     }
 296     mcw= 0;
 297     for (qi=0; qi<qc; qi++) {
 298       for (ti=0; ti<tc; ti++) {
 299         mc= &mcs[qi*tc+ti];
 300         if (mc->doneyet) continue;
 301         assert(mc->found);
 302         if (!mcw) mcw= mc;
 303       }
 304     }
 305     if (!mcw) break;
 306
 307     if (strchr(owninitflags,'s')) {
 308       qu= mcw->qu;
 309       mc= mcw;
 310     } else {
 311       qu= 0;
 312       mc= 0;
 313     }
 314
 315     if (strchr(owninitflags,'p')) {
 316       r= adns_wait_poll(ads,&qu,&ans,&mcr);
 317     } else {
 318       r= adns_wait(ads,&qu,&ans,&mcr);
 319     }
 320     if (r) failure_errno("wait/check",r);
 321
 322     if (mc) assert(mcr==mc);
 323     else mc= mcr;
 324     assert(qu==mc->qu);
 325     assert(!mc->doneyet);
 326
 327     fdom_split(mc->fdom,&domain,&qflags,ownflags,sizeof(ownflags));
 328
 329     if (gettimeofday(&now,0)) { perror("gettimeofday"); quitnow(3); }
 330
 331     ri= adns_rr_info(ans->type, &rrtn,&fmtn,&len, 0,0);
 332     fprintf(stdout, "%s flags %d type ",domain,qflags);
 333     dumptype(ri,rrtn,fmtn);
 334     fprintf(stdout, "%s%s: %s; nrrs=%d; cname=%s; owner=%s; ttl=%ld\n",
 335             ownflags[0] ? " ownflags=" : "", ownflags,
 336             strchr(ownflags,'a')
 337             ? adns_errabbrev(ans->status)
 338             : adns_strerror(ans->status),
 339             ans->nrrs,
 340             ans->cname ? ans->cname : "$",
 341             ans->owner ? ans->owner : "$",
 342             (long)ans->expires - (long)now.tv_sec);
 343     if (ans->nrrs) {
 344       assert(!ri);
 345       for (i=0; i<ans->nrrs; i++) {
 346         ri= adns_rr_info(ans->type, 0,0,0, ans->rrs.bytes + i*len, &show);
 347         if (ri) failure_status("info",ri);
 348         fprintf(stdout," %s\n",show);
 349         free(show);
 350       }
 351     }
 352     free(ans);
 353
 354     mc->doneyet= 1;
 355   }
 356
 357   quitnow(0);
 358 }