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 # undef exit
  42 # define exit Texit
  43 #endif
  44
  45 struct myctx {
  46   adns_query qu;
  47   int doneyet, found;
  48   const char *fdom;
  49 };
  50
  51 static struct myctx *mcs;
  52 static adns_state ads;
  53 static adns_rrtype *types_a;
  54
  55 static void quitnow(int rc) NONRETURNING;
  56 static void quitnow(int rc) {
  57   free(mcs);
  58   free(types_a);
  59   if (ads) adns_finish(ads);
  60
  61   exit(rc);
  62 }
  63
  64 #ifndef HAVE_POLL
  65 #undef poll
  66 int poll(struct pollfd *ufds, int nfds, int timeout) {
  67   fputs("poll(2) not supported on this system\n",stderr);
  68   quitnow(5);
  69 }
  70 #define adns_beforepoll(a,b,c,d,e) 0
  71 #define adns_afterpoll(a,b,c,d) 0
  72 #endif
  73
  74 static void failure_status(const char *what, adns_status st) NONRETURNING;
  75 static void failure_status(const char *what, adns_status st) {
  76   fprintf(stderr,"adns failure: %s: %s\n",what,adns_strerror(st));
  77   quitnow(2);
  78 }
  79
  80 static void failure_errno(const char *what, int errnoval) NONRETURNING;
  81 static void failure_errno(const char *what, int errnoval) {
  82   switch (errnoval) {
  83 #define CE(e) \
  84   case e: fprintf(stderr,"adns failure: %s: errno=" #e "\n",what); break
  85   CE(EINVAL);
  86   CE(EINTR);
  87   CE(ESRCH);
  88   CE(EAGAIN);
  89   CE(ENOSYS);
  90   CE(ERANGE);
  91 #undef CE
  92   default: fprintf(stderr,"adns failure: %s: errno=%d\n",what,errnoval); break;
  93   }
  94   quitnow(2);
  95 }
  96
  97 static void usageerr(const char *why) NONRETURNING;
  98 static void usageerr(const char *why) {
  99   fprintf(stderr,
 100           "bad usage: %s\n"
 101           "usage: adnstest [-<initflagsnum>[,<owninitflags>]] [/<initstring>]\n"
 102           "              [ :<typenum>,... ]\n"
 103           "              [ [<queryflagsnum>[,<ownqueryflags>]/]<domain> ... ]\n"
 104           "initflags:   p  use poll(2) instead of select(2)\n"
 105           "             s  use adns_wait with specified query, instead of 0\n"
 106           "queryflags:  a  print status abbrevs instead of strings\n"
 107           "typenum:      may be 0x<hex>|<dec>, or 0x<hex> or <dec>\n"
 108           "exit status:  0 ok (though some queries may have failed)\n"
 109           "              1 used by test harness to indicate test failed\n"
 110           "              2 unable to submit or init or some such\n"
 111           "              3 unexpected failure\n"
 112           "              4 usage error\n"
 113           "              5 operation not supported on this system\n",
 114           why);
 115   quitnow(4);
 116 }
 117
 118 static const adns_rrtype defaulttypes[]= {
 119   adns_r_a,
 120   adns_r_ns_raw,
 121   adns_r_cname,
 122   adns_r_soa_raw,
 123   adns_r_ptr_raw,
 124   adns_r_hinfo,
 125   adns_r_mx_raw,
 126   adns_r_txt,
 127   adns_r_rp_raw,
 128
 129   adns_r_addr,
 130   adns_r_ns,
 131   adns_r_ptr,
 132   adns_r_mx,
 133
 134   adns_r_soa,
 135   adns_r_rp,
 136
 137   adns_r_none
 138 };
 139
 140 static void dumptype(adns_status ri, const char *rrtn, const char *fmtn) {
 141   fprintf(stdout, "%s(%s)%s%s",
 142           (!ri && rrtn) ? rrtn : "?", ri ? "?" : fmtn ? fmtn : "-",
 143           ri ? " " : "", ri ? adns_strerror(ri) : "");
 144 }
 145
 146 static void fdom_split(const char *fdom, const char **dom_r, int *qf_r,
 147                        char *ownflags, int ownflags_l) {
 148   int qf;
 149   char *ep;
 150
 151   qf= strtoul(fdom,&ep,0);
 152   if (*ep == ',' && strchr(ep,'/')) {
 153     ep++;
 154     while (*ep != '/') {
 155       if (--ownflags_l <= 0) { fputs("too many flags\n",stderr); quitnow(3); }
 156       *ownflags++= *ep++;
 157     }
 158   }
 159   if (*ep != '/') { *dom_r= fdom; *qf_r= 0; }
 160   else { *dom_r= ep+1; *qf_r= qf; }
 161   *ownflags= 0;
 162 }
 163
 164 static int consistsof(const char *string, const char *accept) {
 165   return strspn(string,accept) == strlen(string);
 166 }
 167
 168 int main(int argc, char *const *argv) {
 169   adns_query qu;
 170   struct myctx *mc, *mcw;
 171   void *mcr;
 172   adns_answer *ans;
 173   const char *initstring, *rrtn, *fmtn;
 174   const char *const *fdomlist, *domain;
 175   char *show, *cp;
 176   int len, i, qc, qi, tc, ti, ch, qflags, initflagsnum;
 177   adns_status ri;
 178   int r;
 179   const adns_rrtype *types;
 180   struct timeval now;
 181   char ownflags[10];
 182   char *ep;
 183   const char *initflags, *owninitflags;
 184
 185   if (argv[0] && argv[1] && argv[1][0] == '-') {
 186     initflags= argv[1]+1;
 187     argv++;
 188   } else {
 189     initflags= "";
 190   }
 191   if (argv[0] && argv[1] && argv[1][0] == '/') {
 192     initstring= argv[1]+1;
 193     argv++;
 194   } else {
 195     initstring= 0;
 196   }
 197
 198   initflagsnum= strtoul(initflags,&ep,0);
 199   if (*ep == ',') {
 200     owninitflags= ep+1;
 201     if (!consistsof(owninitflags,"ps")) usageerr("unknown owninitflag");
 202   } else if (!*ep) {
 203     owninitflags= "";
 204   } else {
 205     usageerr("bad <initflagsnum>[,<owninitflags>]");
 206   }
 207
 208   if (argv[0] && argv[1] && argv[1][0] == ':') {
 209     for (cp= argv[1]+1, tc=1; (ch= *cp); cp++)
 210       if (ch==',') tc++;
 211     types_a= malloc(sizeof(*types_a)*(tc+1));
 212     if (!types_a) { perror("malloc types"); quitnow(3); }
 213     for (cp= argv[1]+1, ti=0; ti<tc; ) {
 214       types_a[ti]= 0;
 215       for (;;) {
 216         types_a[ti] |= strtoul(cp,&cp,0);
 217         ch= *cp;
 218         if (!ch) break;
 219         cp++;
 220         if (ch=='|') continue;
 221         if (ch==',') break;
 222         usageerr("unexpected char (not comma) in or between types");
 223       }
 224       ti++;
 225       if (!ch) break;
 226     }
 227     types_a[ti]= adns_r_none;
 228     types= types_a;
 229     argv++;
 230   } else {
 231     types_a= 0;
 232     types= defaulttypes;
 233   }
 234
 235   if (!(argv[0] && argv[1])) usageerr("no query domains supplied");
 236   fdomlist= (const char *const*)argv+1;
 237
 238   for (qc=0; fdomlist[qc]; qc++);
 239   for (tc=0; types[tc] != adns_r_none; tc++);
 240   mcs= malloc(tc ? sizeof(*mcs)*qc*tc : 1);
 241   if (!mcs) { perror("malloc mcs"); quitnow(3); }
 242
 243   setvbuf(stdout,0,_IOLBF,0);
 244
 245   if (initstring) {
 246     r= adns_init_strcfg(&ads,
 247                         (adns_if_debug|adns_if_noautosys|adns_if_checkc_freq)
 248                         ^initflagsnum,
 249                         stdout,initstring);
 250   } else {
 251     r= adns_init(&ads,
 252                  (adns_if_debug|adns_if_noautosys)^initflagsnum,
 253                  0);
 254   }
 255   if (r) failure_errno("init",r);
 256
 257   for (qi=0; qi<qc; qi++) {
 258     fdom_split(fdomlist[qi],&domain,&qflags,ownflags,sizeof(ownflags));
 259     if (!consistsof(ownflags,"a")) usageerr("unknown ownqueryflag");
 260     for (ti=0; ti<tc; ti++) {
 261       mc= &mcs[qi*tc+ti];
 262       mc->doneyet= 0;
 263       mc->fdom= fdomlist[qi];
 264
 265       fprintf(stdout,"%s flags %d type %d",
 266               domain,qflags,types[ti]&adns_rrt_reprmask);
 267       r= adns_submit(ads,domain,types[ti],qflags,mc,&mc->qu);
 268       if (r == ENOSYS) {
 269         fprintf(stdout," not implemented\n");
 270         mc->qu= 0;
 271         mc->doneyet= 1;
 272       } else if (r) {
 273         failure_errno("submit",r);
 274       } else {
 275         ri= adns_rr_info(types[ti], &rrtn,&fmtn,0, 0,0);
 276         putc(' ',stdout);
 277         dumptype(ri,rrtn,fmtn);
 278         fprintf(stdout," submitted\n");
 279       }
 280     }
 281   }
 282
 283   for (;;) {
 284     for (qi=0; qi<qc; qi++) {
 285       for (ti=0; ti<tc; ti++) {
 286         mc= &mcs[qi*tc+ti];
 287         mc->found= 0;
 288       }
 289     }
 290     for (adns_forallqueries_begin(ads);
 291          (qu= adns_forallqueries_next(ads,&mcr));
 292          ) {
 293       mc= mcr;
 294       assert(qu == mc->qu);
 295       assert(!mc->doneyet);
 296       mc->found= 1;
 297     }
 298     mcw= 0;
 299     for (qi=0; qi<qc; qi++) {
 300       for (ti=0; ti<tc; ti++) {
 301         mc= &mcs[qi*tc+ti];
 302         if (mc->doneyet) continue;
 303         assert(mc->found);
 304         if (!mcw) mcw= mc;
 305       }
 306     }
 307     if (!mcw) break;
 308
 309     if (strchr(owninitflags,'s')) {
 310       qu= mcw->qu;
 311       mc= mcw;
 312     } else {
 313       qu= 0;
 314       mc= 0;
 315     }
 316
 317     if (strchr(owninitflags,'p')) {
 318       r= adns_wait_poll(ads,&qu,&ans,&mcr);
 319     } else {
 320       r= adns_wait(ads,&qu,&ans,&mcr);
 321     }
 322     if (r) failure_errno("wait/check",r);
 323
 324     if (mc) assert(mcr==mc);
 325     else mc= mcr;
 326     assert(qu==mc->qu);
 327     assert(!mc->doneyet);
 328
 329     fdom_split(mc->fdom,&domain,&qflags,ownflags,sizeof(ownflags));
 330
 331     if (gettimeofday(&now,0)) { perror("gettimeofday"); quitnow(3); }
 332
 333     ri= adns_rr_info(ans->type, &rrtn,&fmtn,&len, 0,0);
 334     fprintf(stdout, "%s flags %d type ",domain,qflags);
 335     dumptype(ri,rrtn,fmtn);
 336     fprintf(stdout, "%s%s: %s; nrrs=%d; cname=%s; owner=%s; ttl=%ld\n",
 337             ownflags[0] ? " ownflags=" : "", ownflags,
 338             strchr(ownflags,'a')
 339             ? adns_errabbrev(ans->status)
 340             : adns_strerror(ans->status),
 341             ans->nrrs,
 342             ans->cname ? ans->cname : "$",
 343             ans->owner ? ans->owner : "$",
 344             (long)ans->expires - (long)now.tv_sec);
 345     if (ans->nrrs) {
 346       assert(!ri);
 347       for (i=0; i<ans->nrrs; i++) {
 348         ri= adns_rr_info(ans->type, 0,0,0, ans->rrs.bytes + i*len, &show);
 349         if (ri) failure_status("info",ri);
 350         fprintf(stdout," %s\n",show);
 351         free(show);
 352       }
 353     }
 354     free(ans);
 355
 356     mc->doneyet= 1;
 357   }
 358
 359   quitnow(0);
 360 }