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