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 Copyright (C) 1997-1999 Ian Jackson
   7  *
   8  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License as published by
  10  *  the Free Software Foundation; either version 2, or (at your option)
  11  *  any later version.
  12  *
  13  *  This program is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *  GNU General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU General Public License
  19  *  along with this program; if not, write to the Free Software Foundation,
  20  *  Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  21  */
  22
  23 #include <stdio.h>
  24 #include <sys/time.h>
  25 #include <unistd.h>
  26 #include <assert.h>
  27 #include <stdlib.h>
  28 #include <string.h>
  29 #include <errno.h>
  30
  31 #include "adns.h"
  32
  33 #include "config.h"
  34
  35 #ifndef OUTPUTSTREAM
  36 # define OUTPUTSTREAM stdout
  37 #endif
  38
  39 #ifndef HAVE_POLL
  40 #undef poll
  41 int poll(struct pollfd *ufds, int nfds, int timeout) {
  42   fputs("poll(2) not supported on this system\n",stderr);
  43   exit(5);
  44 }
  45 #define adns_beforepoll(a,b,c,d,e) 0
  46 #define adns_afterpoll(a,b,c,d) 0
  47 #endif
  48
  49 static void failure_status(const char *what, adns_status st) NONRETURNING;
  50 static void failure_status(const char *what, adns_status st) {
  51   fprintf(stderr,"adns failure: %s: %s\n",what,adns_strerror(st));
  52   exit(2);
  53 }
  54
  55 static void failure_errno(const char *what, int errnoval) NONRETURNING;
  56 static void failure_errno(const char *what, int errnoval) {
  57   fprintf(stderr,"adns failure: %s: errno=%d\n",what,errnoval);
  58   exit(2);
  59 }
  60
  61 static void usageerr(const char *why) NONRETURNING;
  62 static void usageerr(const char *why) {
  63   fprintf(stderr,
  64           "bad usage: %s\n"
  65           "usage: adnstest [-<initflagsnum>[,<owninitflags>]] [/<initstring>]\n"
  66           "              [ :<typenum>,... ]\n"
  67           "              [ [<queryflagsnum>[,<ownqueryflags>]/]<domain> ... ]\n"
  68           "initflags:   p  use poll(2) instead of select(2)\n"
  69           "             s  use adns_wait with specified query, instead of 0\n"
  70           "queryflags:  a  print status abbrevs instead of strings\n"
  71           "exit status:  0 ok (though some queries may have failed)\n"
  72           "              1 used by test harness to indicate test failed\n"
  73           "              2 unable to submit or init or some such\n"
  74           "              3 unexpected failure\n"
  75           "              4 usage error\n"
  76           "              5 operation not supported on this system\n",
  77           why);
  78   exit(4);
  79 }
  80
  81 static const adns_rrtype defaulttypes[]= {
  82   adns_r_a,
  83   adns_r_ns_raw,
  84   adns_r_cname,
  85   adns_r_soa_raw,
  86   adns_r_ptr_raw,
  87   adns_r_hinfo,
  88   adns_r_mx_raw,
  89   adns_r_txt,
  90   adns_r_rp_raw,
  91
  92   adns_r_addr,
  93   adns_r_ns,
  94   adns_r_ptr,
  95   adns_r_mx,
  96
  97   adns_r_soa,
  98   adns_r_rp,
  99
 100   adns_r_none
 101 };
 102
 103 static void dumptype(adns_status ri, const char *rrtn, const char *fmtn) {
 104   fprintf(stdout, "%s(%s)%s%s",
 105           ri ? "?" : rrtn, ri ? "?" : fmtn ? fmtn : "-",
 106           ri ? " " : "", ri ? adns_strerror(ri) : "");
 107 }
 108
 109 static void fdom_split(const char *fdom, const char **dom_r, int *qf_r,
 110                        char *ownflags, int ownflags_l) {
 111   int qf;
 112   char *ep;
 113
 114   qf= strtoul(fdom,&ep,0);
 115   if (*ep == ',' && strchr(ep,'/')) {
 116     ep++;
 117     while (*ep != '/') {
 118       if (--ownflags_l <= 0) { fputs("too many flags\n",stderr); exit(3); }
 119       *ownflags++= *ep++;
 120     }
 121   }
 122   if (*ep != '/') { *dom_r= fdom; *qf_r= 0; }
 123   else { *dom_r= ep+1; *qf_r= qf; }
 124   *ownflags= 0;
 125 }
 126
 127 static int consistsof(const char *string, const char *accept) {
 128   return strspn(string,accept) == strlen(string);
 129 }
 130
 131 int main(int argc, char *const *argv) {
 132   struct myctx {
 133     adns_query qu;
 134     int doneyet, found;
 135     const char *fdom;
 136   };
 137
 138   adns_state ads;
 139   adns_query qu;
 140   struct myctx *mcs, *mc, *mcw;
 141   void *mcr;
 142   adns_answer *ans;
 143   const char *initstring, *rrtn, *fmtn;
 144   const char *const *fdomlist, *domain;
 145   char *show, *cp;
 146   int len, i, qc, qi, tc, ti, ch, qflags, initflagsnum;
 147   adns_status ri;
 148   int r;
 149   const adns_rrtype *types;
 150   struct timeval now;
 151   adns_rrtype *types_a;
 152   char ownflags[10];
 153   char *ep;
 154   const char *initflags, *owninitflags;
 155
 156   if (argv[0] && argv[1] && argv[1][0] == '-') {
 157     initflags= argv[1]+1;
 158     argv++;
 159   } else {
 160     initflags= "";
 161   }
 162   if (argv[0] && argv[1] && argv[1][0] == '/') {
 163     initstring= argv[1]+1;
 164     argv++;
 165   } else {
 166     initstring= 0;
 167   }
 168
 169   initflagsnum= strtoul(initflags,&ep,0);
 170   if (*ep == ',') {
 171     owninitflags= ep+1;
 172     if (!consistsof(owninitflags,"ps")) usageerr("unknown owninitflag");
 173   } else if (!*ep) {
 174     owninitflags= "";
 175   } else {
 176     usageerr("bad <initflagsnum>[,<owninitflags>]");
 177   }
 178
 179   if (argv[0] && argv[1] && argv[1][0] == ':') {
 180     for (cp= argv[1]+1, tc=1; (ch= *cp); cp++)
 181       if (ch==',') tc++;
 182     types_a= malloc(sizeof(*types_a)*(tc+1));
 183     if (!types_a) { perror("malloc types"); exit(3); }
 184     for (cp= argv[1]+1, ti=0; ti<tc; ti++) {
 185       types_a[ti]= strtoul(cp,&cp,10);
 186       if ((ch= *cp)) {
 187         if (ch != ',') usageerr("unexpected char (not comma) in or between types");
 188         cp++;
 189       }
 190     }
 191     *cp++= adns_r_none;
 192     types= types_a;
 193     argv++;
 194   } else {
 195     types= defaulttypes;
 196   }
 197
 198   if (!(argv[0] && argv[1])) usageerr("no query domains supplied");
 199   fdomlist= (const char *const*)argv+1;
 200
 201   for (qc=0; fdomlist[qc]; qc++);
 202   for (tc=0; types[tc] != adns_r_none; tc++);
 203   mcs= malloc(sizeof(*mcs)*qc*tc);
 204   if (!mcs) { perror("malloc mcs"); exit(3); }
 205
 206   if (initstring) {
 207     r= adns_init_strcfg(&ads,
 208                         (adns_if_debug|adns_if_noautosys|adns_if_checkc_freq)
 209                         ^initflagsnum,
 210                         stdout,initstring);
 211   } else {
 212     r= adns_init(&ads,
 213                  (adns_if_debug|adns_if_noautosys)^initflagsnum,
 214                  0);
 215   }
 216   if (r) failure_errno("init",r);
 217
 218   for (qi=0; qi<qc; qi++) {
 219     fdom_split(fdomlist[qi],&domain,&qflags,ownflags,sizeof(ownflags));
 220     if (!consistsof(ownflags,"a")) usageerr("unknown ownqueryflag");
 221     for (ti=0; ti<tc; ti++) {
 222       mc= &mcs[qi*tc+ti];
 223       mc->doneyet= 0;
 224       mc->fdom= fdomlist[qi];
 225
 226       fprintf(stdout,"%s flags %d type %d",domain,qflags,types[ti]);
 227       r= adns_submit(ads,domain,types[ti],qflags,mc,&mc->qu);
 228       if (r == ENOSYS) {
 229         fprintf(stdout," not implemented\n");
 230         mc->qu= 0;
 231         mc->doneyet= 1;
 232       } else if (r) {
 233         failure_errno("submit",r);
 234       } else {
 235         ri= adns_rr_info(types[ti], &rrtn,&fmtn,0, 0,0);
 236         putc(' ',stdout);
 237         dumptype(ri,rrtn,fmtn);
 238         fprintf(stdout," submitted\n");
 239       }
 240     }
 241   }
 242
 243   for (;;) {
 244     for (qi=0; qi<qc; qi++) {
 245       for (ti=0; ti<tc; ti++) {
 246         mc= &mcs[qi*tc+ti];
 247         mc->found= 0;
 248       }
 249     }
 250     for (adns_forallqueries_begin(ads);
 251          (qu= adns_forallqueries_next(ads,&mcr));
 252          ) {
 253       mc= mcr;
 254       assert(qu == mc->qu);
 255       assert(!mc->doneyet);
 256       mc->found= 1;
 257     }
 258     mcw= 0;
 259     for (qi=0; qi<qc; qi++) {
 260       for (ti=0; ti<tc; ti++) {
 261         mc= &mcs[qi*tc+ti];
 262         if (mc->doneyet) continue;
 263         assert(mc->found);
 264         if (!mcw) mcw= mc;
 265       }
 266     }
 267     if (!mcw) break;
 268
 269     if (strchr(owninitflags,'s')) {
 270       qu= mcw->qu;
 271       mc= mcw;
 272     } else {
 273       qu= 0;
 274       mc= 0;
 275     }
 276
 277     if (strchr(owninitflags,'p')) {
 278       r= adns_wait_poll(ads,&qu,&ans,&mcr);
 279     } else {
 280       r= adns_wait(ads,&qu,&ans,&mcr);
 281     }
 282     if (r) failure_errno("wait/check",r);
 283
 284     if (mc) assert(mcr==mc);
 285     else mc= mcr;
 286     assert(qu==mc->qu);
 287     assert(!mc->doneyet);
 288
 289     fdom_split(mc->fdom,&domain,&qflags,ownflags,sizeof(ownflags));
 290
 291     if (gettimeofday(&now,0)) { perror("gettimeofday"); exit(3); }
 292
 293     ri= adns_rr_info(ans->type, &rrtn,&fmtn,&len, 0,0);
 294     fprintf(stdout, "%s flags %d type ",domain,qflags);
 295     dumptype(ri,rrtn,fmtn);
 296     fprintf(stdout, "%s%s: %s; nrrs=%d; cname=%s; owner=%s; ttl=%ld\n",
 297             ownflags[0] ? " ownflags=" : "", ownflags,
 298             strchr(ownflags,'a')
 299             ? adns_errabbrev(ans->status)
 300             : adns_strerror(ans->status),
 301             ans->nrrs,
 302             ans->cname ? ans->cname : "$",
 303             ans->owner ? ans->owner : "$",
 304             (long)ans->expires - (long)now.tv_sec);
 305     if (ans->nrrs) {
 306       assert(!ri);
 307       for (i=0; i<ans->nrrs; i++) {
 308         ri= adns_rr_info(ans->type, 0,0,0, ans->rrs.bytes + i*len, &show);
 309         if (ri) failure_status("info",ri);
 310         fprintf(stdout," %s\n",show);
 311         free(show);
 312       }
 313     }
 314     free(ans);
 315
 316     mc->doneyet= 1;
 317   }
 318
 319   free(mcs);
 320   adns_finish(ads);
 321
 322   exit(0);
 323 }