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) 1997-1999 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 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 "adns.h"
  37
  38 #include "config.h"
  39
  40 #ifndef OUTPUTSTREAM
  41 # define OUTPUTSTREAM stdout
  42 #endif
  43
  44 struct myctx {
  45   adns_query qu;
  46   int doneyet, found;
  47   const char *fdom;
  48 };
  49
  50 static struct myctx *mcs;
  51 static adns_state ads;
  52 static adns_rrtype *types_a;
  53
  54 static void quitnow(int rc) NONRETURNING;
  55 static void quitnow(int rc) {
  56   free(mcs);
  57   free(types_a);
  58   if (ads) adns_finish(ads);
  59
  60   exit(rc);
  61 }
  62
  63 #ifndef HAVE_POLL
  64 #undef poll
  65 int poll(struct pollfd *ufds, int nfds, int timeout) {
  66   fputs("poll(2) not supported on this system\n",stderr);
  67   quitnow(5);
  68 }
  69 #define adns_beforepoll(a,b,c,d,e) 0
  70 #define adns_afterpoll(a,b,c,d) 0
  71 #endif
  72
  73 static void failure_status(const char *what, adns_status st) NONRETURNING;
  74 static void failure_status(const char *what, adns_status st) {
  75   fprintf(stderr,"adns failure: %s: %s\n",what,adns_strerror(st));
  76   quitnow(2);
  77 }
  78
  79 static void failure_errno(const char *what, int errnoval) NONRETURNING;
  80 static void failure_errno(const char *what, int errnoval) {
  81   fprintf(stderr,"adns failure: %s: errno=%d\n",what,errnoval);
  82   quitnow(2);
  83 }
  84
  85 static void usageerr(const char *why) NONRETURNING;
  86 static void usageerr(const char *why) {
  87   fprintf(stderr,
  88           "bad usage: %s\n"
  89           "usage: adnstest [-<initflagsnum>[,<owninitflags>]] [/<initstring>]\n"
  90           "              [ :<typenum>,... ]\n"
  91           "              [ [<queryflagsnum>[,<ownqueryflags>]/]<domain> ... ]\n"
  92           "initflags:   p  use poll(2) instead of select(2)\n"
  93           "             s  use adns_wait with specified query, instead of 0\n"
  94           "queryflags:  a  print status abbrevs instead of strings\n"
  95           "exit status:  0 ok (though some queries may have failed)\n"
  96           "              1 used by test harness to indicate test failed\n"
  97           "              2 unable to submit or init or some such\n"
  98           "              3 unexpected failure\n"
  99           "              4 usage error\n"
 100           "              5 operation not supported on this system\n",
 101           why);
 102   quitnow(4);
 103 }
 104
 105 static const adns_rrtype defaulttypes[]= {
 106   adns_r_a,
 107   adns_r_ns_raw,
 108   adns_r_cname,
 109   adns_r_soa_raw,
 110   adns_r_ptr_raw,
 111   adns_r_hinfo,
 112   adns_r_mx_raw,
 113   adns_r_txt,
 114   adns_r_rp_raw,
 115
 116   adns_r_addr,
 117   adns_r_ns,
 118   adns_r_ptr,
 119   adns_r_mx,
 120
 121   adns_r_soa,
 122   adns_r_rp,
 123
 124   adns_r_none
 125 };
 126
 127 static void dumptype(adns_status ri, const char *rrtn, const char *fmtn) {
 128   fprintf(stdout, "%s(%s)%s%s",
 129           ri ? "?" : rrtn, ri ? "?" : fmtn ? fmtn : "-",
 130           ri ? " " : "", ri ? adns_strerror(ri) : "");
 131 }
 132
 133 static void fdom_split(const char *fdom, const char **dom_r, int *qf_r,
 134                        char *ownflags, int ownflags_l) {
 135   int qf;
 136   char *ep;
 137
 138   qf= strtoul(fdom,&ep,0);
 139   if (*ep == ',' && strchr(ep,'/')) {
 140     ep++;
 141     while (*ep != '/') {
 142       if (--ownflags_l <= 0) { fputs("too many flags\n",stderr); quitnow(3); }
 143       *ownflags++= *ep++;
 144     }
 145   }
 146   if (*ep != '/') { *dom_r= fdom; *qf_r= 0; }
 147   else { *dom_r= ep+1; *qf_r= qf; }
 148   *ownflags= 0;
 149 }
 150
 151 static int consistsof(const char *string, const char *accept) {
 152   return strspn(string,accept) == strlen(string);
 153 }
 154
 155 int main(int argc, char *const *argv) {
 156   adns_query qu;
 157   struct myctx *mc, *mcw;
 158   void *mcr;
 159   adns_answer *ans;
 160   const char *initstring, *rrtn, *fmtn;
 161   const char *const *fdomlist, *domain;
 162   char *show, *cp;
 163   int len, i, qc, qi, tc, ti, ch, qflags, initflagsnum;
 164   adns_status ri;
 165   int r;
 166   const adns_rrtype *types;
 167   struct timeval now;
 168   char ownflags[10];
 169   char *ep;
 170   const char *initflags, *owninitflags;
 171
 172   if (argv[0] && argv[1] && argv[1][0] == '-') {
 173     initflags= argv[1]+1;
 174     argv++;
 175   } else {
 176     initflags= "";
 177   }
 178   if (argv[0] && argv[1] && argv[1][0] == '/') {
 179     initstring= argv[1]+1;
 180     argv++;
 181   } else {
 182     initstring= 0;
 183   }
 184
 185   initflagsnum= strtoul(initflags,&ep,0);
 186   if (*ep == ',') {
 187     owninitflags= ep+1;
 188     if (!consistsof(owninitflags,"ps")) usageerr("unknown owninitflag");
 189   } else if (!*ep) {
 190     owninitflags= "";
 191   } else {
 192     usageerr("bad <initflagsnum>[,<owninitflags>]");
 193   }
 194
 195   if (argv[0] && argv[1] && argv[1][0] == ':') {
 196     for (cp= argv[1]+1, tc=1; (ch= *cp); cp++)
 197       if (ch==',') tc++;
 198     types_a= malloc(sizeof(*types_a)*(tc+1));
 199     if (!types_a) { perror("malloc types"); quitnow(3); }
 200     for (cp= argv[1]+1, ti=0; ti<tc; ti++) {
 201       types_a[ti]= strtoul(cp,&cp,10);
 202       if ((ch= *cp)) {
 203         if (ch != ',') usageerr("unexpected char (not comma) in or between types");
 204         cp++;
 205       }
 206     }
 207     types_a[ti]= adns_r_none;
 208     types= types_a;
 209     argv++;
 210   } else {
 211     types_a= 0;
 212     types= defaulttypes;
 213   }
 214
 215   if (!(argv[0] && argv[1])) usageerr("no query domains supplied");
 216   fdomlist= (const char *const*)argv+1;
 217
 218   for (qc=0; fdomlist[qc]; qc++);
 219   for (tc=0; types[tc] != adns_r_none; tc++);
 220   mcs= malloc(tc ? sizeof(*mcs)*qc*tc : 1);
 221   if (!mcs) { perror("malloc mcs"); quitnow(3); }
 222
 223   if (initstring) {
 224     r= adns_init_strcfg(&ads,
 225                         (adns_if_debug|adns_if_noautosys|adns_if_checkc_freq)
 226                         ^initflagsnum,
 227                         stdout,initstring);
 228   } else {
 229     r= adns_init(&ads,
 230                  (adns_if_debug|adns_if_noautosys)^initflagsnum,
 231                  0);
 232   }
 233   if (r) failure_errno("init",r);
 234
 235   setvbuf(stdout,0,_IOLBF,0);
 236
 237   for (qi=0; qi<qc; qi++) {
 238     fdom_split(fdomlist[qi],&domain,&qflags,ownflags,sizeof(ownflags));
 239     if (!consistsof(ownflags,"a")) usageerr("unknown ownqueryflag");
 240     for (ti=0; ti<tc; ti++) {
 241       mc= &mcs[qi*tc+ti];
 242       mc->doneyet= 0;
 243       mc->fdom= fdomlist[qi];
 244
 245       fprintf(stdout,"%s flags %d type %d",domain,qflags,types[ti]);
 246       r= adns_submit(ads,domain,types[ti],qflags,mc,&mc->qu);
 247       if (r == ENOSYS) {
 248         fprintf(stdout," not implemented\n");
 249         mc->qu= 0;
 250         mc->doneyet= 1;
 251       } else if (r) {
 252         failure_errno("submit",r);
 253       } else {
 254         ri= adns_rr_info(types[ti], &rrtn,&fmtn,0, 0,0);
 255         putc(' ',stdout);
 256         dumptype(ri,rrtn,fmtn);
 257         fprintf(stdout," submitted\n");
 258       }
 259     }
 260   }
 261
 262   for (;;) {
 263     for (qi=0; qi<qc; qi++) {
 264       for (ti=0; ti<tc; ti++) {
 265         mc= &mcs[qi*tc+ti];
 266         mc->found= 0;
 267       }
 268     }
 269     for (adns_forallqueries_begin(ads);
 270          (qu= adns_forallqueries_next(ads,&mcr));
 271          ) {
 272       mc= mcr;
 273       assert(qu == mc->qu);
 274       assert(!mc->doneyet);
 275       mc->found= 1;
 276     }
 277     mcw= 0;
 278     for (qi=0; qi<qc; qi++) {
 279       for (ti=0; ti<tc; ti++) {
 280         mc= &mcs[qi*tc+ti];
 281         if (mc->doneyet) continue;
 282         assert(mc->found);
 283         if (!mcw) mcw= mc;
 284       }
 285     }
 286     if (!mcw) break;
 287
 288     if (strchr(owninitflags,'s')) {
 289       qu= mcw->qu;
 290       mc= mcw;
 291     } else {
 292       qu= 0;
 293       mc= 0;
 294     }
 295
 296     if (strchr(owninitflags,'p')) {
 297       r= adns_wait_poll(ads,&qu,&ans,&mcr);
 298     } else {
 299       r= adns_wait(ads,&qu,&ans,&mcr);
 300     }
 301     if (r) failure_errno("wait/check",r);
 302
 303     if (mc) assert(mcr==mc);
 304     else mc= mcr;
 305     assert(qu==mc->qu);
 306     assert(!mc->doneyet);
 307
 308     fdom_split(mc->fdom,&domain,&qflags,ownflags,sizeof(ownflags));
 309
 310     if (gettimeofday(&now,0)) { perror("gettimeofday"); quitnow(3); }
 311
 312     ri= adns_rr_info(ans->type, &rrtn,&fmtn,&len, 0,0);
 313     fprintf(stdout, "%s flags %d type ",domain,qflags);
 314     dumptype(ri,rrtn,fmtn);
 315     fprintf(stdout, "%s%s: %s; nrrs=%d; cname=%s; owner=%s; ttl=%ld\n",
 316             ownflags[0] ? " ownflags=" : "", ownflags,
 317             strchr(ownflags,'a')
 318             ? adns_errabbrev(ans->status)
 319             : adns_strerror(ans->status),
 320             ans->nrrs,
 321             ans->cname ? ans->cname : "$",
 322             ans->owner ? ans->owner : "$",
 323             (long)ans->expires - (long)now.tv_sec);
 324     if (ans->nrrs) {
 325       assert(!ri);
 326       for (i=0; i<ans->nrrs; i++) {
 327         ri= adns_rr_info(ans->type, 0,0,0, ans->rrs.bytes + i*len, &show);
 328         if (ri) failure_status("info",ri);
 329         fprintf(stdout," %s\n",show);
 330         free(show);
 331       }
 332     }
 333     free(ans);
 334
 335     mc->doneyet= 1;
 336   }
 337
 338   quitnow(0);
 339 }