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 #ifdef ADNS_JGAA_WIN32
29 # include "adns_win32.h"
30 #else
31 # include <stdio.h>
32 # include <sys/time.h>
33 # include <unistd.h>
34 # include <assert.h>
35 # include <stdlib.h>
36 # include <string.h>
37 # include <errno.h>
38 #endif
39
40 #include "config.h"
41 #include "adns.h"
42
43 #ifdef ADNS_REGRESS_TEST
44 # include "hredirect.h"
45 #endif
46
47 struct myctx {
48 adns_query qu;
49 int doneyet, found;
50 const char *fdom;
51 };
52
53 static struct myctx *mcs;
54 static adns_state ads;
55 static adns_rrtype *types_a;
56
57 static void quitnow(int rc) NONRETURNING;
quitnow(int rc)58 static void quitnow(int rc) {
59 free(mcs);
60 free(types_a);
61 if (ads) adns_finish(ads);
62
63 exit(rc);
64 }
65
66 #ifndef HAVE_POLL
67 #undef poll
poll(struct pollfd * ufds,int nfds,int timeout)68 int poll(struct pollfd *ufds, int nfds, int timeout) {
69 fputs("poll(2) not supported on this system\n",stderr);
70 quitnow(5);
71 return -1; /* compiler food */
72 }
73 #define adns_beforepoll(a,b,c,d,e) 0
74 #define adns_afterpoll(a,b,c,d) 0
75 #endif
76
77 static void failure_status(const char *what, adns_status st) NONRETURNING;
failure_status(const char * what,adns_status st)78 static void failure_status(const char *what, adns_status st) {
79 fprintf(stderr,"adns failure: %s: %s\n",what,adns_strerror(st));
80 quitnow(2);
81 }
82
83 static void failure_errno(const char *what, int errnoval) NONRETURNING;
failure_errno(const char * what,int errnoval)84 static void failure_errno(const char *what, int errnoval) {
85 fprintf(stderr,"adns failure: %s: errno=%d\n",what,errnoval);
86 quitnow(2);
87 }
88
89 static void usageerr(const char *why) NONRETURNING;
usageerr(const char * why)90 static void usageerr(const char *why) {
91 fprintf(stderr,
92 "bad usage: %s\n"
93 "usage: adnstest [-<initflagsnum>[,<owninitflags>]] [/<initstring>]\n"
94 " [ :<typenum>,... ]\n"
95 " [ [<queryflagsnum>[,<ownqueryflags>]/]<domain> ... ]\n"
96 "initflags: p use poll(2) instead of select(2)\n"
97 " s use adns_wait with specified query, instead of 0\n"
98 "queryflags: a print status abbrevs instead of strings\n"
99 "exit status: 0 ok (though some queries may have failed)\n"
100 " 1 used by test harness to indicate test failed\n"
101 " 2 unable to submit or init or some such\n"
102 " 3 unexpected failure\n"
103 " 4 usage error\n"
104 " 5 operation not supported on this system\n",
105 why);
106 quitnow(4);
107 }
108
109 static const adns_rrtype defaulttypes[]= {
110 adns_r_a,
111 adns_r_ns_raw,
112 adns_r_cname,
113 adns_r_soa_raw,
114 adns_r_ptr_raw,
115 adns_r_hinfo,
116 adns_r_mx_raw,
117 adns_r_txt,
118 adns_r_rp_raw,
119
120 adns_r_addr,
121 adns_r_ns,
122 adns_r_ptr,
123 adns_r_mx,
124
125 adns_r_soa,
126 adns_r_rp,
127
128 adns_r_none
129 };
130
dumptype(adns_status ri,const char * rrtn,const char * fmtn)131 static void dumptype(adns_status ri, const char *rrtn, const char *fmtn) {
132 fprintf(stdout, "%s(%s)%s%s",
133 ri ? "?" : rrtn, ri ? "?" : fmtn ? fmtn : "-",
134 ri ? " " : "", ri ? adns_strerror(ri) : "");
135 }
136
fdom_split(const char * fdom,const char ** dom_r,int * qf_r,char * ownflags,int ownflags_l)137 static void fdom_split(const char *fdom, const char **dom_r, int *qf_r,
138 char *ownflags, int ownflags_l) {
139 int qf;
140 char *ep;
141
142 qf= strtoul(fdom,&ep,0);
143 if (*ep == ',' && strchr(ep,'/')) {
144 ep++;
145 while (*ep != '/') {
146 if (--ownflags_l <= 0) { fputs("too many flags\n",stderr); quitnow(3); }
147 *ownflags++= *ep++;
148 }
149 }
150 if (*ep != '/') { *dom_r= fdom; *qf_r= 0; }
151 else { *dom_r= ep+1; *qf_r= qf; }
152 *ownflags= 0;
153 }
154
consistsof(const char * string,const char * accept)155 static int consistsof(const char *string, const char *accept) {
156 return strspn(string,accept) == strlen(string);
157 }
158
main(int argc,char * const * argv)159 int main(int argc, char *const *argv) {
160 adns_query qu;
161 struct myctx *mc, *mcw;
162 void *mcr;
163 adns_answer *ans;
164 const char *initstring, *rrtn, *fmtn;
165 const char *const *fdomlist, *domain;
166 char *show, *cp;
167 int len, i, qc, qi, tc, ti, ch, qflags, initflagsnum;
168 adns_status ri;
169 int r;
170 const adns_rrtype *types;
171 struct timeval now;
172 char ownflags[10];
173 char *ep;
174 const char *initflags, *owninitflags;
175
176 if (argv[0] && argv[1] && argv[1][0] == '-') {
177 initflags= argv[1]+1;
178 argv++;
179 } else {
180 initflags= "";
181 }
182 if (argv[0] && argv[1] && argv[1][0] == '/') {
183 initstring= argv[1]+1;
184 argv++;
185 } else {
186 initstring= 0;
187 }
188
189 initflagsnum= strtoul(initflags,&ep,0);
190 if (*ep == ',') {
191 owninitflags= ep+1;
192 if (!consistsof(owninitflags,"ps")) usageerr("unknown owninitflag");
193 } else if (!*ep) {
194 owninitflags= "";
195 } else {
196 usageerr("bad <initflagsnum>[,<owninitflags>]");
197 }
198
199 if (argv[0] && argv[1] && argv[1][0] == ':') {
200 for (cp= argv[1]+1, tc=1; (ch= *cp); cp++)
201 if (ch==',') tc++;
202 types_a= malloc(sizeof(*types_a)*(tc+1));
203 if (!types_a) { perror("malloc types"); quitnow(3); }
204 for (cp= argv[1]+1, ti=0; ti<tc; ti++) {
205 types_a[ti]= strtoul(cp,&cp,10);
206 if ((ch= *cp)) {
207 if (ch != ',') usageerr("unexpected char (not comma) in or between types");
208 cp++;
209 }
210 }
211 types_a[ti]= adns_r_none;
212 types= types_a;
213 argv++;
214 } else {
215 types_a= 0;
216 types= defaulttypes;
217 }
218
219 if (!(argv[0] && argv[1])) usageerr("no query domains supplied");
220 fdomlist= (const char *const*)argv+1;
221
222 for (qc=0; fdomlist[qc]; qc++);
223 for (tc=0; types[tc] != adns_r_none; tc++);
224 mcs= malloc(tc ? sizeof(*mcs)*qc*tc : 1);
225 if (!mcs) { perror("malloc mcs"); quitnow(3); }
226
227 setvbuf(stdout,0,_IOLBF,0);
228
229 if (initstring) {
230 r= adns_init_strcfg(&ads,
231 (adns_if_debug|adns_if_noautosys|adns_if_checkc_freq)
232 ^initflagsnum,
233 stdout,initstring);
234 } else {
235 r= adns_init(&ads,
236 (adns_if_debug|adns_if_noautosys)^initflagsnum,
237 0);
238 }
239 if (r) failure_errno("init",r);
240
241 for (qi=0; qi<qc; qi++) {
242 fdom_split(fdomlist[qi],&domain,&qflags,ownflags,sizeof(ownflags));
243 if (!consistsof(ownflags,"a")) usageerr("unknown ownqueryflag");
244 for (ti=0; ti<tc; ti++) {
245 mc= &mcs[qi*tc+ti];
246 mc->doneyet= 0;
247 mc->fdom= fdomlist[qi];
248
249 fprintf(stdout,"%s flags %d type %d",domain,qflags,types[ti]);
250 r= adns_submit(ads,domain,types[ti],qflags,mc,&mc->qu);
251 if (r == ENOSYS) {
252 fprintf(stdout," not implemented\n");
253 mc->qu= 0;
254 mc->doneyet= 1;
255 } else if (r) {
256 failure_errno("submit",r);
257 } else {
258 ri= adns_rr_info(types[ti], &rrtn,&fmtn,0, 0,0);
259 putc(' ',stdout);
260 dumptype(ri,rrtn,fmtn);
261 fprintf(stdout," submitted\n");
262 }
263 }
264 }
265
266 for (;;) {
267 for (qi=0; qi<qc; qi++) {
268 for (ti=0; ti<tc; ti++) {
269 mc= &mcs[qi*tc+ti];
270 mc->found= 0;
271 }
272 }
273 for (adns_forallqueries_begin(ads);
274 (qu= adns_forallqueries_next(ads,&mcr));
275 ) {
276 mc= mcr;
277 assert(qu == mc->qu);
278 assert(!mc->doneyet);
279 mc->found= 1;
280 }
281 mcw= 0;
282 for (qi=0; qi<qc; qi++) {
283 for (ti=0; ti<tc; ti++) {
284 mc= &mcs[qi*tc+ti];
285 if (mc->doneyet) continue;
286 assert(mc->found);
287 if (!mcw) mcw= mc;
288 }
289 }
290 if (!mcw) break;
291
292 if (strchr(owninitflags,'s')) {
293 qu= mcw->qu;
294 mc= mcw;
295 } else {
296 qu= 0;
297 mc= 0;
298 }
299
300 #ifdef HAVE_POLL
301 if (strchr(owninitflags,'p')) {
302 r= adns_wait_poll(ads,&qu,&ans,&mcr);
303 } else
304 #endif
305 {
306 r= adns_wait(ads,&qu,&ans,&mcr);
307 }
308 if (r) failure_errno("wait/check",r);
309
310 if (mc) assert(mcr==mc);
311 else mc= mcr;
312 assert(qu==mc->qu);
313 assert(!mc->doneyet);
314
315 fdom_split(mc->fdom,&domain,&qflags,ownflags,sizeof(ownflags));
316
317 if (gettimeofday(&now,0)) { perror("gettimeofday"); quitnow(3); }
318
319 ri= adns_rr_info(ans->type, &rrtn,&fmtn,&len, 0,0);
320 fprintf(stdout, "%s flags %d type ",domain,qflags);
321 dumptype(ri,rrtn,fmtn);
322 fprintf(stdout, "%s%s: %s; nrrs=%d; cname=%s; owner=%s; ttl=%ld\n",
323 ownflags[0] ? " ownflags=" : "", ownflags,
324 strchr(ownflags,'a')
325 ? adns_errabbrev(ans->status)
326 : adns_strerror(ans->status),
327 ans->nrrs,
328 ans->cname ? ans->cname : "$",
329 ans->owner ? ans->owner : "$",
330 (long)ans->expires - (long)now.tv_sec);
331 if (ans->nrrs) {
332 assert(!ri);
333 for (i=0; i<ans->nrrs; i++) {
334 ri= adns_rr_info(ans->type, 0,0,0, ans->rrs.bytes + i*len, &show);
335 if (ri) failure_status("info",ri);
336 fprintf(stdout," %s\n",show);
337 free(show);
338 }
339 }
340 free(ans);
341
342 mc->doneyet= 1;
343 }
344
345 quitnow(0);
346 }
347