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Add extern "C" for C++.
[adns] / client / adnstest.c
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98db6da3 1/*
2 * dtest.c
3 * - simple test program, not part of the library
4 */
5/*
3ff64957 6 * This file is part of adns, which is Copyright (C) 1997-1999 Ian Jackson
98db6da3 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 */
e7afa27f 22
23#include <stdio.h>
2c7b101b 24#include <sys/time.h>
31d3a9d0 25#include <unistd.h>
1e9efa71 26#include <assert.h>
27#include <stdlib.h>
c2875680 28#include <string.h>
4f973eb5 29#include <errno.h>
30#include <sys/poll.h>
e7afa27f 31
4fb3d854 32#ifndef OUTPUTSTREAM
33# define OUTPUTSTREAM stdout
34#endif
35
e7afa27f 36#include "adns.h"
37
c2875680 38static void failure_status(const char *what, adns_status st) {
1e9efa71 39 fprintf(stderr,"adns failure: %s: %s\n",what,adns_strerror(st));
40 exit(2);
41}
42
c2875680 43static void failure_errno(const char *what, int errnoval) {
44 fprintf(stderr,"adns failure: %s: errno=%d\n",what,errnoval);
45 exit(2);
46}
47
1e9efa71 48static const char *defaultargv[]= { "ns.chiark.greenend.org.uk", 0 };
49
cfdca685 50static const adns_rrtype defaulttypes[]= {
51 adns_r_a,
52 adns_r_ns_raw,
53 adns_r_cname,
61093792 54 adns_r_soa_raw,
cfdca685 55 adns_r_ptr_raw,
61093792 56 adns_r_hinfo,
f2ad23ee 57 adns_r_mx_raw,
d4c7b0b1 58 adns_r_txt,
26eb6bdc 59 adns_r_rp_raw,
61093792 60
cd363ffd 61 adns_r_addr,
26eb6bdc 62 adns_r_ns,
cd1bde2f 63 adns_r_ptr,
61093792 64 adns_r_mx,
65
66 adns_r_soa,
67 adns_r_rp,
68
cfdca685 69 adns_r_none
70};
71
f2ad23ee 72static void dumptype(adns_status ri, const char *rrtn, const char *fmtn) {
73 fprintf(stdout, "%s(%s)%s%s",
74 ri ? "?" : rrtn, ri ? "?" : fmtn ? fmtn : "-",
75 ri ? " " : "", ri ? adns_strerror(ri) : "");
76}
77
c2875680 78static void fdom_split(const char *fdom, const char **dom_r, int *qf_r,
79 char *ownflags, int ownflags_l) {
82a3a6be 80 int qf;
81 char *ep;
82
83 qf= strtoul(fdom,&ep,0);
c2875680 84 if (*ep == ',' && strchr(ep,'/')) {
85 ep++;
86 while (*ep != '/') {
87 if (--ownflags_l <= 0) { fputs("too many flags\n",stderr); exit(3); }
88 *ownflags++= *ep++;
89 }
90 }
82a3a6be 91 if (*ep != '/') { *dom_r= fdom; *qf_r= 0; }
92 else { *dom_r= ep+1; *qf_r= qf; }
c2875680 93 *ownflags= 0;
82a3a6be 94}
95
4f973eb5 96static int consistsof(const char *string, const char *accept) {
97 return strspn(string,accept) == strlen(string);
98}
99
f2ad23ee 100int main(int argc, char *const *argv) {
d6b05172 101 struct myctx {
102 adns_query qu;
0e02fa7a 103 int doneyet, found;
104 const char *fdom;
d6b05172 105 };
106
e7afa27f 107 adns_state ads;
d6b05172 108 adns_query qu;
0e02fa7a 109 struct myctx *mcs, *mc, *mcw;
d6b05172 110 void *mcr;
d05cc330 111 adns_answer *ans;
e3324da1 112 const char *initstring, *rrtn, *fmtn;
82a3a6be 113 const char *const *fdomlist, *domain;
f2ad23ee 114 char *show, *cp;
4f973eb5 115 int len, i, qc, qi, tc, ti, ch, qflags, initflagsnum, npollfds, npollfdsavail, timeout;
116 struct pollfd *pollfds;
1e9efa71 117 adns_status r, ri;
cfdca685 118 const adns_rrtype *types;
2c7b101b 119 struct timeval now;
f2ad23ee 120 adns_rrtype *types_a;
c2875680 121 char ownflags[10];
4f973eb5 122 char *ep;
123 const char *initflags, *owninitflags;
1e9efa71 124
4f973eb5 125 if (argv[0] && argv[1] && argv[1][0] == '-') {
126 initflags= argv[1]+1;
127 argv++;
128 } else {
129 initflags= "";
130 }
e3324da1 131 if (argv[0] && argv[1] && argv[1][0] == '/') {
132 initstring= argv[1]+1;
133 argv++;
134 } else {
135 initstring= 0;
136 }
4f973eb5 137
138 initflagsnum= strtoul(initflags,&ep,0);
139 if (*ep == ',') {
140 owninitflags= ep+1;
8f2aa812 141 if (!consistsof(owninitflags,"ps")) {
4f973eb5 142 fputs("unknown owninitflag\n",stderr);
143 exit(4);
144 }
145 } else if (!*ep) {
146 owninitflags= "";
147 } else {
148 fputs("bad <initflagsnum>[,<owninitflags>]\n",stderr);
149 exit(4);
150 }
e3324da1 151
f2ad23ee 152 if (argv[0] && argv[1] && argv[1][0] == ':') {
153 for (cp= argv[1]+1, tc=1; (ch= *cp); cp++)
154 if (ch==',') tc++;
04be144e 155 types_a= malloc(sizeof(*types_a)*(tc+1));
f2ad23ee 156 if (!types_a) { perror("malloc types"); exit(3); }
157 for (cp= argv[1]+1, ti=0; ti<tc; ti++) {
158 types_a[ti]= strtoul(cp,&cp,10);
159 if ((ch= *cp)) {
cd1bde2f 160 if (ch != ',') {
4f973eb5 161 fputs("usage: adnstest [-<initflagsnum>[,<owninitflags>]] [/<initstring>]\n"
162 " [ :<typenum>,... ]\n"
163 " [ [<queryflagsnum>[,<ownqueryflags>]/]<domain> ... ]\n"
164 "initflags: p use poll(2) instead of select(2)\n"
8f2aa812 165 " s use adns_wait with specified query, instead of 0\n"
4f973eb5 166 "queryflags: a print status abbrevs instead of strings\n",
167 stderr);
f2ad23ee 168 exit(4);
169 }
170 cp++;
171 }
172 }
04be144e 173 *cp++= adns_r_none;
f2ad23ee 174 types= types_a;
175 argv++;
176 } else {
177 types= defaulttypes;
178 }
179
82a3a6be 180 if (argv[0] && argv[1]) fdomlist= (const char *const*)argv+1;
181 else fdomlist= defaultargv;
cfdca685 182
82a3a6be 183 for (qc=0; fdomlist[qc]; qc++);
cfdca685 184 for (tc=0; types[tc] != adns_r_none; tc++);
d6b05172 185 mcs= malloc(sizeof(*mcs)*qc*tc);
186 if (!mcs) { perror("malloc mcs"); exit(3); }
e7afa27f 187
e3324da1 188 if (initstring) {
4f973eb5 189 r= adns_init_strcfg(&ads,
190 (adns_if_debug|adns_if_noautosys)^initflagsnum,
191 stdout,initstring);
e3324da1 192 } else {
4f973eb5 193 r= adns_init(&ads,
194 (adns_if_debug|adns_if_noautosys)^initflagsnum,
195 0);
e3324da1 196 }
c2875680 197 if (r) failure_errno("init",r);
1e9efa71 198
4f973eb5 199 npollfdsavail= 0;
200 pollfds= 0;
201
1e9efa71 202 for (qi=0; qi<qc; qi++) {
c2875680 203 fdom_split(fdomlist[qi],&domain,&qflags,ownflags,sizeof(ownflags));
4f973eb5 204 if (!consistsof(ownflags,"a")) {
205 fputs("unknown ownqueryflag\n",stderr);
206 exit(4);
207 }
cfdca685 208 for (ti=0; ti<tc; ti++) {
d6b05172 209 mc= &mcs[qi*tc+ti];
210 mc->doneyet= 0;
0e02fa7a 211 mc->fdom= fdomlist[qi];
d6b05172 212
18dc94a5 213 fprintf(stdout,"%s flags %d type %d",domain,qflags,types[ti]);
d6b05172 214 r= adns_submit(ads,domain,types[ti],qflags,mc,&mc->qu);
9b86645c 215 if (r == adns_s_unknownrrtype) {
b8358304 216 fprintf(stdout," not implemented\n");
d6b05172 217 mc->qu= 0;
218 mc->doneyet= 1;
b8358304 219 } else if (r) {
c2875680 220 failure_errno("submit",r);
b8358304 221 } else {
f2ad23ee 222 ri= adns_rr_info(types[ti], &rrtn,&fmtn,0, 0,0);
4fb3d854 223 putc(' ',stdout);
f2ad23ee 224 dumptype(ri,rrtn,fmtn);
b8358304 225 fprintf(stdout," submitted\n");
226 }
cfdca685 227 }
1e9efa71 228 }
31d3a9d0 229
0e02fa7a 230 for (;;) {
231 for (qi=0; qi<qc; qi++) {
232 for (ti=0; ti<tc; ti++) {
233 mc= &mcs[qi*tc+ti];
234 mc->found= 0;
235 }
236 }
237 for (adns_forallqueries_begin(ads);
238 (qu= adns_forallqueries_next(ads,&mcr));
239 ) {
240 mc= mcr;
241 assert(qu == mc->qu);
242 assert(!mc->doneyet);
243 mc->found= 1;
244 }
245 mcw= 0;
246 for (qi=0; qi<qc; qi++) {
247 for (ti=0; ti<tc; ti++) {
248 mc= &mcs[qi*tc+ti];
249 if (mc->doneyet) continue;
250 assert(mc->found);
251 if (!mcw) mcw= mc;
252 }
253 }
254 if (!mcw) break;
d6b05172 255
8f2aa812 256 if (strchr(owninitflags,'s')) {
257 qu= mcw->qu;
258 mc= mcw;
259 } else {
260 qu= 0;
261 mc= 0;
262 }
4f973eb5 263
3ea0e5b9 264 if (strchr(owninitflags,'p')) {
265 for (;;) {
266 r= adns_check(ads,&qu,&ans,&mcr);
267 if (r != EWOULDBLOCK) break;
4f973eb5 268 for (;;) {
3ea0e5b9 269 npollfds= npollfdsavail;
270 timeout= -1;
271 r= adns_beforepoll(ads, pollfds, &npollfds, &timeout, 0);
272 if (r != ERANGE) break;
273 pollfds= realloc(pollfds,sizeof(*pollfds)*npollfds);
274 if (!pollfds) failure_errno("realloc pollfds",errno);
275 npollfdsavail= npollfds;
4f973eb5 276 }
3ea0e5b9 277 if (r) failure_errno("beforepoll",r);
278 r= poll(pollfds,npollfds,timeout);
279 if (r == -1) failure_errno("poll",errno);
280 adns_afterpoll(ads,pollfds, r?npollfds:0, 0);
4f973eb5 281 }
3ea0e5b9 282 } else {
283 r= adns_wait(ads,&qu,&ans,&mcr);
284 }
285 if (r) failure_errno("wait/check",r);
286
8f2aa812 287 if (mc) assert(mcr==mc);
288 else mc= mcr;
289 assert(qu==mc->qu);
290 assert(!mc->doneyet);
291
3ea0e5b9 292 fdom_split(mc->fdom,&domain,&qflags,ownflags,sizeof(ownflags));
d6b05172 293
3ea0e5b9 294 if (gettimeofday(&now,0)) { perror("gettimeofday"); exit(3); }
2c7b101b 295
3ea0e5b9 296 ri= adns_rr_info(ans->type, &rrtn,&fmtn,&len, 0,0);
297 fprintf(stdout, "%s flags %d type ",domain,qflags);
298 dumptype(ri,rrtn,fmtn);
299 fprintf(stdout, "%s%s: %s; nrrs=%d; cname=%s; owner=%s; ttl=%ld\n",
300 ownflags[0] ? " ownflags=" : "", ownflags,
301 strchr(ownflags,'a')
302 ? adns_errabbrev(ans->status)
303 : adns_strerror(ans->status),
304 ans->nrrs,
305 ans->cname ? ans->cname : "$",
306 ans->owner ? ans->owner : "$",
307 (long)ans->expires - (long)now.tv_sec);
308 if (ans->nrrs) {
309 assert(!ri);
310 for (i=0; i<ans->nrrs; i++) {
311 r= adns_rr_info(ans->type, 0,0,0, ans->rrs.bytes + i*len, &show);
312 if (r) failure_status("info",r);
313 fprintf(stdout," %s\n",show);
314 free(show);
1e9efa71 315 }
3ea0e5b9 316 }
317 free(ans);
0e02fa7a 318
3ea0e5b9 319 mc->doneyet= 1;
1e9efa71 320 }
d05cc330 321
d6b05172 322 free(mcs);
61093792 323 adns_finish(ads);
324
e7afa27f 325 exit(0);
326}