98db6da3 |
1 | /* |
2 | * types.c |
3 | * - RR-type-specific code, and the machinery to call it |
4 | */ |
5 | /* |
a79ac5ba |
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 |
89435c42 |
10 | * Copyright (C) 1997-2000 Ian Jackson <ian@davenant.greenend.org.uk> |
c6826df6 |
11 | * Copyright (C) 1999-2000 Tony Finch <dot@dotat.at> |
98db6da3 |
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 | */ |
5c596e4d |
27 | |
d4c7b0b1 |
28 | #include <stdlib.h> |
29 | |
b6b3ac61 |
30 | #include <sys/types.h> |
763d28b9 |
31 | #include <sys/socket.h> |
32 | #include <netinet/in.h> |
1e9efa71 |
33 | #include <arpa/inet.h> |
34 | |
5c596e4d |
35 | #include "internal.h" |
36 | |
9c344a42 |
37 | #define R_NOMEM return adns_s_nomemory |
38 | #define CSP_ADDSTR(s) do { \ |
39 | if (!adns__vbuf_appendstr(vb,(s))) R_NOMEM; \ |
40 | } while (0) |
26eb6bdc |
41 | |
14180727 |
42 | /* |
43 | * order of sections: |
44 | * |
61093792 |
45 | * _string (pap) |
14180727 |
46 | * _textdata, _qstring (csp) |
47 | * _str (mf,cs) |
61093792 |
48 | * _intstr (mf,csp,cs) |
14180727 |
49 | * _manyistr (mf,cs) |
50 | * _txt (pa) |
51 | * _inaddr (pa,dip,di) |
52 | * _addr (pa,di,csp,cs) |
53 | * _domain (pap) |
54 | * _host_raw (pa) |
55 | * _hostaddr (pap,pa,dip,di,mfp,mf,csp,cs +pap_findaddrs) |
56 | * _mx_raw (pa,di) |
57 | * _mx (pa,di) |
58 | * _inthostaddr (mf,cs) |
cd1bde2f |
59 | * _ptr (pa) |
61093792 |
60 | * _strpair (mf,cs) |
61 | * _intstrpair (mf,cs) |
62 | * _hinfo (pa) |
c2875680 |
63 | * _mailbox (pap +pap_mailbox822) |
61093792 |
64 | * _rp (pa) |
65 | * _soa (pa,mf,cs) |
14180727 |
66 | * _flat (mf) |
67 | * |
68 | * within each section: |
69 | * pap_* |
70 | * pa_* |
71 | * dip_* |
72 | * di_* |
73 | * mfp_* |
74 | * mf_* |
75 | * csp_* |
76 | * cs_* |
77 | */ |
78 | |
79 | /* |
0872e289 |
80 | * _qstring (pap,csp) |
14180727 |
81 | */ |
82 | |
0872e289 |
83 | static adns_status pap_qstring(const parseinfo *pai, int *cbyte_io, int max, |
61093792 |
84 | int *len_r, char **str_r) { |
85 | /* Neither len_r nor str_r may be null. |
86 | * End of datagram (overrun) is indicated by returning adns_s_invaliddata; |
87 | */ |
88 | const byte *dgram= pai->dgram; |
89 | int l, cbyte; |
90 | char *str; |
91 | |
92 | cbyte= *cbyte_io; |
93 | |
94 | if (cbyte >= max) return adns_s_invaliddata; |
95 | GET_B(cbyte,l); |
96 | if (cbyte+l > max) return adns_s_invaliddata; |
97 | |
98 | str= adns__alloc_interim(pai->qu, l+1); |
99 | if (!str) R_NOMEM; |
100 | |
101 | str[l]= 0; |
102 | memcpy(str,dgram+cbyte,l); |
103 | |
104 | *len_r= l; |
105 | *str_r= str; |
106 | *cbyte_io= cbyte+l; |
107 | |
108 | return adns_s_ok; |
109 | } |
110 | |
0872e289 |
111 | static adns_status csp_qstring(vbuf *vb, const char *dp, int len) { |
14180727 |
112 | unsigned char ch; |
113 | char buf[10]; |
114 | int cn; |
115 | |
116 | CSP_ADDSTR("\""); |
117 | for (cn=0; cn<len; cn++) { |
118 | ch= *dp++; |
0872e289 |
119 | if (ch == '\\') { |
61093792 |
120 | CSP_ADDSTR("\\\\"); |
0872e289 |
121 | } else if (ch == '"') { |
122 | CSP_ADDSTR("\\\""); |
123 | } else if (ch >= 32 && ch <= 126) { |
124 | if (!adns__vbuf_append(vb,&ch,1)) R_NOMEM; |
14180727 |
125 | } else { |
61093792 |
126 | sprintf(buf,"\\x%02x",ch); |
14180727 |
127 | CSP_ADDSTR(buf); |
128 | } |
129 | } |
130 | CSP_ADDSTR("\""); |
131 | |
132 | return adns_s_ok; |
133 | } |
134 | |
14180727 |
135 | /* |
0872e289 |
136 | * _str (mf) |
14180727 |
137 | */ |
138 | |
139 | static void mf_str(adns_query qu, void *datap) { |
140 | char **rrp= datap; |
141 | |
142 | adns__makefinal_str(qu,rrp); |
143 | } |
144 | |
14180727 |
145 | /* |
0872e289 |
146 | * _intstr (mf) |
14180727 |
147 | */ |
148 | |
149 | static void mf_intstr(adns_query qu, void *datap) { |
150 | adns_rr_intstr *rrp= datap; |
151 | |
152 | adns__makefinal_str(qu,&rrp->str); |
153 | } |
154 | |
14180727 |
155 | /* |
0872e289 |
156 | * _manyistr (mf) |
14180727 |
157 | */ |
158 | |
159 | static void mf_manyistr(adns_query qu, void *datap) { |
160 | adns_rr_intstr **rrp= datap; |
161 | adns_rr_intstr *te, *table; |
162 | void *tablev; |
163 | int tc; |
164 | |
165 | for (tc=0, te= *rrp; te->i >= 0; te++, tc++); |
166 | tablev= *rrp; |
167 | adns__makefinal_block(qu,&tablev,sizeof(*te)*(tc+1)); |
168 | *rrp= table= tablev; |
169 | for (te= *rrp; te->i >= 0; te++) |
170 | adns__makefinal_str(qu,&te->str); |
171 | } |
172 | |
14180727 |
173 | /* |
0872e289 |
174 | * _txt (pa,cs) |
14180727 |
175 | */ |
176 | |
9c344a42 |
177 | static adns_status pa_txt(const parseinfo *pai, int cbyte, |
178 | int max, void *datap) { |
14180727 |
179 | adns_rr_intstr **rrp= datap, *table, *te; |
180 | const byte *dgram= pai->dgram; |
181 | int ti, tc, l, startbyte; |
61093792 |
182 | adns_status st; |
14180727 |
183 | |
184 | startbyte= cbyte; |
185 | if (cbyte >= max) return adns_s_invaliddata; |
186 | tc= 0; |
187 | while (cbyte < max) { |
188 | GET_B(cbyte,l); |
189 | cbyte+= l; |
61093792 |
190 | tc++; |
14180727 |
191 | } |
0872e289 |
192 | if (cbyte != max || !tc) return adns_s_invaliddata; |
14180727 |
193 | |
194 | table= adns__alloc_interim(pai->qu,sizeof(*table)*(tc+1)); |
195 | if (!table) R_NOMEM; |
196 | |
197 | for (cbyte=startbyte, ti=0, te=table; ti<tc; ti++, te++) { |
0872e289 |
198 | st= pap_qstring(pai, &cbyte, max, &te->i, &te->str); |
61093792 |
199 | if (st) return st; |
14180727 |
200 | } |
201 | assert(cbyte == max); |
202 | |
203 | te->i= -1; |
204 | te->str= 0; |
205 | |
206 | *rrp= table; |
207 | return adns_s_ok; |
cd363ffd |
208 | } |
209 | |
0872e289 |
210 | static adns_status cs_txt(vbuf *vb, const void *datap) { |
211 | const adns_rr_intstr *const *rrp= datap; |
212 | const adns_rr_intstr *current; |
213 | adns_status st; |
214 | int spc; |
215 | |
216 | for (current= *rrp, spc=0; current->i >= 0; current++, spc=1) { |
217 | if (spc) CSP_ADDSTR(" "); |
218 | st= csp_qstring(vb,current->str,current->i); if (st) return st; |
219 | } |
220 | return adns_s_ok; |
221 | } |
222 | |
223 | /* |
224 | * _hinfo (cs) |
225 | */ |
226 | |
227 | static adns_status cs_hinfo(vbuf *vb, const void *datap) { |
228 | const adns_rr_intstrpair *rrp= datap; |
229 | adns_status st; |
230 | |
231 | st= csp_qstring(vb,rrp->array[0].str,rrp->array[0].i); if (st) return st; |
232 | CSP_ADDSTR(" "); |
233 | st= csp_qstring(vb,rrp->array[1].str,rrp->array[1].i); if (st) return st; |
234 | return adns_s_ok; |
235 | } |
236 | |
14180727 |
237 | /* |
238 | * _inaddr (pa,dip,di) |
239 | */ |
240 | |
9c344a42 |
241 | static adns_status pa_inaddr(const parseinfo *pai, int cbyte, |
242 | int max, void *datap) { |
f2ad23ee |
243 | struct in_addr *storeto= datap; |
68b7fc5f |
244 | |
245 | if (max-cbyte != 4) return adns_s_invaliddata; |
26eb6bdc |
246 | memcpy(storeto, pai->dgram + cbyte, 4); |
68b7fc5f |
247 | return adns_s_ok; |
248 | } |
249 | |
8c3aa944 |
250 | static int search_sortlist(adns_state ads, struct in_addr ad) { |
251 | const struct sortlist *slp; |
252 | int i; |
253 | |
254 | for (i=0, slp=ads->sortlist; |
9c344a42 |
255 | i<ads->nsortlist && |
256 | !((ad.s_addr & slp->mask.s_addr) == slp->base.s_addr); |
8c3aa944 |
257 | i++, slp++); |
258 | return i; |
14180727 |
259 | } |
260 | |
8c3aa944 |
261 | static int dip_inaddr(adns_state ads, struct in_addr a, struct in_addr b) { |
262 | int ai, bi; |
263 | |
264 | if (!ads->nsortlist) return 0; |
265 | |
266 | ai= search_sortlist(ads,a); |
267 | bi= search_sortlist(ads,b); |
268 | return bi<ai; |
269 | } |
270 | |
9c344a42 |
271 | static int di_inaddr(adns_state ads, |
272 | const void *datap_a, const void *datap_b) { |
f2ad23ee |
273 | const struct in_addr *ap= datap_a, *bp= datap_b; |
274 | |
8c3aa944 |
275 | return dip_inaddr(ads,*ap,*bp); |
f2ad23ee |
276 | } |
277 | |
278 | static adns_status cs_inaddr(vbuf *vb, const void *datap) { |
279 | const struct in_addr *rrp= datap, rr= *rrp; |
1e9efa71 |
280 | const char *ia; |
281 | |
f2ad23ee |
282 | ia= inet_ntoa(rr); assert(ia); |
26eb6bdc |
283 | CSP_ADDSTR(ia); |
284 | return adns_s_ok; |
1e9efa71 |
285 | } |
68b7fc5f |
286 | |
14180727 |
287 | /* |
288 | * _addr (pa,di,csp,cs) |
289 | */ |
290 | |
9c344a42 |
291 | static adns_status pa_addr(const parseinfo *pai, int cbyte, |
292 | int max, void *datap) { |
bc01473e |
293 | adns_rr_addr *storeto= datap; |
26eb6bdc |
294 | const byte *dgram= pai->dgram; |
a1d2d0ed |
295 | |
cd363ffd |
296 | if (max-cbyte != 4) return adns_s_invaliddata; |
297 | storeto->len= sizeof(storeto->addr.inet); |
298 | memset(&storeto->addr,0,sizeof(storeto->addr.inet)); |
299 | storeto->addr.inet.sin_family= AF_INET; |
cd363ffd |
300 | memcpy(&storeto->addr.inet.sin_addr,dgram+cbyte,4); |
301 | return adns_s_ok; |
302 | } |
303 | |
8c3aa944 |
304 | static int di_addr(adns_state ads, const void *datap_a, const void *datap_b) { |
bc01473e |
305 | const adns_rr_addr *ap= datap_a, *bp= datap_b; |
cd363ffd |
306 | |
26eb6bdc |
307 | assert(ap->addr.sa.sa_family == AF_INET); |
8c3aa944 |
308 | return dip_inaddr(ads, ap->addr.inet.sin_addr, bp->addr.inet.sin_addr); |
cd363ffd |
309 | } |
310 | |
8c3aa944 |
311 | static int div_addr(void *context, const void *datap_a, const void *datap_b) { |
312 | const adns_state ads= context; |
313 | |
314 | return di_addr(ads, datap_a, datap_b); |
315 | } |
316 | |
bc01473e |
317 | static adns_status csp_addr(vbuf *vb, const adns_rr_addr *rrp) { |
cd363ffd |
318 | const char *ia; |
319 | static char buf[30]; |
320 | |
321 | switch (rrp->addr.inet.sin_family) { |
322 | case AF_INET: |
0872e289 |
323 | CSP_ADDSTR("INET "); |
cd363ffd |
324 | ia= inet_ntoa(rrp->addr.inet.sin_addr); assert(ia); |
26eb6bdc |
325 | CSP_ADDSTR(ia); |
cd363ffd |
326 | break; |
327 | default: |
328 | sprintf(buf,"AF=%u",rrp->addr.sa.sa_family); |
26eb6bdc |
329 | CSP_ADDSTR(buf); |
cd363ffd |
330 | break; |
331 | } |
332 | return adns_s_ok; |
333 | } |
334 | |
26eb6bdc |
335 | static adns_status cs_addr(vbuf *vb, const void *datap) { |
bc01473e |
336 | const adns_rr_addr *rrp= datap; |
26eb6bdc |
337 | |
338 | return csp_addr(vb,rrp); |
339 | } |
340 | |
14180727 |
341 | /* |
0872e289 |
342 | * _domain (pap,csp,cs) |
343 | * _dom_raw (pa) |
14180727 |
344 | */ |
345 | |
26eb6bdc |
346 | static adns_status pap_domain(const parseinfo *pai, int *cbyte_io, int max, |
347 | char **domain_r, parsedomain_flags flags) { |
f2ad23ee |
348 | adns_status st; |
349 | char *dm; |
350 | |
26eb6bdc |
351 | st= adns__parse_domain(pai->qu->ads, pai->serv, pai->qu, &pai->qu->vb, flags, |
352 | pai->dgram,pai->dglen, cbyte_io, max); |
f2ad23ee |
353 | if (st) return st; |
26eb6bdc |
354 | if (!pai->qu->vb.used) return adns_s_invaliddata; |
f2ad23ee |
355 | |
26eb6bdc |
356 | dm= adns__alloc_interim(pai->qu, pai->qu->vb.used+1); |
357 | if (!dm) R_NOMEM; |
f2ad23ee |
358 | |
26eb6bdc |
359 | dm[pai->qu->vb.used]= 0; |
360 | memcpy(dm,pai->qu->vb.buf,pai->qu->vb.used); |
f2ad23ee |
361 | |
362 | *domain_r= dm; |
363 | return adns_s_ok; |
364 | } |
365 | |
0872e289 |
366 | static adns_status csp_domain(vbuf *vb, const char *domain) { |
367 | CSP_ADDSTR(domain); |
368 | if (!*domain) CSP_ADDSTR("."); |
369 | return adns_s_ok; |
370 | } |
371 | |
372 | static adns_status cs_domain(vbuf *vb, const void *datap) { |
373 | const char *const *domainp= datap; |
374 | return csp_domain(vb,*domainp); |
375 | } |
376 | |
9c344a42 |
377 | static adns_status pa_dom_raw(const parseinfo *pai, int cbyte, |
378 | int max, void *datap) { |
0872e289 |
379 | char **rrp= datap; |
380 | adns_status st; |
381 | |
382 | st= pap_domain(pai, &cbyte, max, rrp, pdf_quoteok); |
383 | if (st) return st; |
384 | |
385 | if (cbyte != max) return adns_s_invaliddata; |
386 | return adns_s_ok; |
387 | } |
388 | |
14180727 |
389 | /* |
390 | * _host_raw (pa) |
391 | */ |
392 | |
9c344a42 |
393 | static adns_status pa_host_raw(const parseinfo *pai, int cbyte, |
394 | int max, void *datap) { |
f2ad23ee |
395 | char **rrp= datap; |
cfdca685 |
396 | adns_status st; |
1e9efa71 |
397 | |
26eb6bdc |
398 | st= pap_domain(pai, &cbyte, max, rrp, |
399 | pai->qu->flags & adns_qf_quoteok_anshost ? pdf_quoteok : 0); |
f2ad23ee |
400 | if (st) return st; |
401 | |
402 | if (cbyte != max) return adns_s_invaliddata; |
403 | return adns_s_ok; |
404 | } |
cfdca685 |
405 | |
14180727 |
406 | /* |
bc01473e |
407 | * _hostaddr (pap,pa,dip,di,mfp,mf,csp,cs +icb_hostaddr, pap_findaddrs) |
14180727 |
408 | */ |
a1d2d0ed |
409 | |
26eb6bdc |
410 | static adns_status pap_findaddrs(const parseinfo *pai, adns_rr_hostaddr *ha, |
411 | int *cbyte_io, int count, int dmstart) { |
412 | int rri, naddrs; |
a1d2d0ed |
413 | int type, class, rdlen, rdstart, ownermatched; |
2c7b101b |
414 | unsigned long ttl; |
26eb6bdc |
415 | adns_status st; |
a1d2d0ed |
416 | |
26eb6bdc |
417 | for (rri=0, naddrs=-1; rri<count; rri++) { |
9c344a42 |
418 | st= adns__findrr_anychk(pai->qu, pai->serv, pai->dgram, |
419 | pai->dglen, cbyte_io, |
2c7b101b |
420 | &type, &class, &ttl, &rdlen, &rdstart, |
26eb6bdc |
421 | pai->dgram, pai->dglen, dmstart, &ownermatched); |
a1d2d0ed |
422 | if (st) return st; |
26eb6bdc |
423 | if (!ownermatched || class != DNS_CLASS_IN || type != adns_r_a) { |
424 | if (naddrs>0) break; else continue; |
425 | } |
426 | if (naddrs == -1) { |
427 | naddrs= 0; |
a1d2d0ed |
428 | } |
9c344a42 |
429 | if (!adns__vbuf_ensure(&pai->qu->vb, (naddrs+1)*sizeof(adns_rr_addr))) |
430 | R_NOMEM; |
2c7b101b |
431 | adns__update_expires(pai->qu,ttl,pai->now); |
bc01473e |
432 | st= pa_addr(pai, rdstart,rdstart+rdlen, |
433 | pai->qu->vb.buf + naddrs*sizeof(adns_rr_addr)); |
a1d2d0ed |
434 | if (st) return st; |
26eb6bdc |
435 | naddrs++; |
a1d2d0ed |
436 | } |
26eb6bdc |
437 | if (naddrs >= 0) { |
bc01473e |
438 | ha->addrs= adns__alloc_interim(pai->qu, naddrs*sizeof(adns_rr_addr)); |
26eb6bdc |
439 | if (!ha->addrs) R_NOMEM; |
bc01473e |
440 | memcpy(ha->addrs, pai->qu->vb.buf, naddrs*sizeof(adns_rr_addr)); |
26eb6bdc |
441 | ha->naddrs= naddrs; |
a1d2d0ed |
442 | ha->astatus= adns_s_ok; |
26eb6bdc |
443 | |
8c3aa944 |
444 | adns__isort(ha->addrs, naddrs, sizeof(adns_rr_addr), pai->qu->vb.buf, |
445 | div_addr, pai->ads); |
a1d2d0ed |
446 | } |
447 | return adns_s_ok; |
448 | } |
449 | |
bc01473e |
450 | static void icb_hostaddr(adns_query parent, adns_query child) { |
bc01473e |
451 | adns_answer *cans= child->answer; |
cd1bde2f |
452 | adns_rr_hostaddr *rrp= child->ctx.info.hostaddr; |
cb32030b |
453 | adns_state ads= parent->ads; |
0872e289 |
454 | adns_status st; |
bc01473e |
455 | |
0872e289 |
456 | st= cans->status; |
457 | rrp->astatus= st; |
458 | rrp->naddrs= (st>0 && st<=adns_s_max_tempfail) ? -1 : cans->nrrs; |
bc01473e |
459 | rrp->addrs= cans->rrs.addr; |
9c344a42 |
460 | adns__transfer_interim(child, parent, rrp->addrs, |
461 | rrp->naddrs*sizeof(adns_rr_addr)); |
cd1bde2f |
462 | |
cb32030b |
463 | if (parent->children.head) { |
464 | LIST_LINK_TAIL(ads->childw,parent); |
465 | } else { |
466 | adns__query_done(parent); |
467 | } |
bc01473e |
468 | } |
469 | |
26eb6bdc |
470 | static adns_status pap_hostaddr(const parseinfo *pai, int *cbyte_io, |
471 | int max, adns_rr_hostaddr *rrp) { |
a1d2d0ed |
472 | adns_status st; |
473 | int dmstart, cbyte; |
ba1ddf08 |
474 | qcontext ctx; |
475 | int id; |
476 | adns_query nqu; |
59fbb06a |
477 | adns_queryflags nflags; |
a1d2d0ed |
478 | |
479 | dmstart= cbyte= *cbyte_io; |
26eb6bdc |
480 | st= pap_domain(pai, &cbyte, max, &rrp->host, |
481 | pai->qu->flags & adns_qf_quoteok_anshost ? pdf_quoteok : 0); |
a1d2d0ed |
482 | if (st) return st; |
483 | *cbyte_io= cbyte; |
484 | |
485 | rrp->astatus= adns_s_ok; |
486 | rrp->naddrs= -1; |
487 | rrp->addrs= 0; |
488 | |
26eb6bdc |
489 | cbyte= pai->nsstart; |
a1d2d0ed |
490 | |
26eb6bdc |
491 | st= pap_findaddrs(pai, rrp, &cbyte, pai->nscount, dmstart); |
a1d2d0ed |
492 | if (st) return st; |
493 | if (rrp->naddrs != -1) return adns_s_ok; |
494 | |
26eb6bdc |
495 | st= pap_findaddrs(pai, rrp, &cbyte, pai->arcount, dmstart); |
a1d2d0ed |
496 | if (st) return st; |
497 | if (rrp->naddrs != -1) return adns_s_ok; |
26eb6bdc |
498 | |
ba1ddf08 |
499 | st= adns__mkquery_frdgram(pai->ads, &pai->qu->vb, &id, |
500 | pai->dgram, pai->dglen, dmstart, |
501 | adns_r_addr, adns_qf_quoteok_query); |
502 | if (st) return st; |
bc01473e |
503 | |
cd1bde2f |
504 | ctx.ext= 0; |
505 | ctx.callback= icb_hostaddr; |
506 | ctx.info.hostaddr= rrp; |
59fbb06a |
507 | |
508 | nflags= adns_qf_quoteok_query; |
509 | if (!(pai->qu->flags & adns_qf_cname_loose)) nflags |= adns_qf_cname_forbid; |
510 | |
ba1ddf08 |
511 | st= adns__internal_submit(pai->ads, &nqu, adns__findtype(adns_r_addr), |
7e6a84a1 |
512 | &pai->qu->vb, id, nflags, pai->now, &ctx); |
ba1ddf08 |
513 | if (st) return st; |
514 | |
515 | nqu->parent= pai->qu; |
516 | LIST_LINK_TAIL_PART(pai->qu->children,nqu,siblings.); |
26eb6bdc |
517 | |
518 | return adns_s_ok; |
a1d2d0ed |
519 | } |
520 | |
9c344a42 |
521 | static adns_status pa_hostaddr(const parseinfo *pai, int cbyte, |
522 | int max, void *datap) { |
26eb6bdc |
523 | adns_rr_hostaddr *rrp= datap; |
a1d2d0ed |
524 | adns_status st; |
a1d2d0ed |
525 | |
26eb6bdc |
526 | st= pap_hostaddr(pai, &cbyte, max, rrp); |
a1d2d0ed |
527 | if (st) return st; |
528 | if (cbyte != max) return adns_s_invaliddata; |
529 | |
26eb6bdc |
530 | return adns_s_ok; |
531 | } |
a1d2d0ed |
532 | |
9c344a42 |
533 | static int dip_hostaddr(adns_state ads, |
534 | const adns_rr_hostaddr *ap, const adns_rr_hostaddr *bp) { |
26eb6bdc |
535 | if (ap->astatus != bp->astatus) return ap->astatus; |
536 | if (ap->astatus) return 0; |
a1d2d0ed |
537 | |
26eb6bdc |
538 | assert(ap->addrs[0].addr.sa.sa_family == AF_INET); |
539 | assert(bp->addrs[0].addr.sa.sa_family == AF_INET); |
8c3aa944 |
540 | return dip_inaddr(ads, |
541 | ap->addrs[0].addr.inet.sin_addr, |
542 | bp->addrs[0].addr.inet.sin_addr); |
26eb6bdc |
543 | } |
544 | |
9c344a42 |
545 | static int di_hostaddr(adns_state ads, |
546 | const void *datap_a, const void *datap_b) { |
26eb6bdc |
547 | const adns_rr_hostaddr *ap= datap_a, *bp= datap_b; |
548 | |
8c3aa944 |
549 | return dip_hostaddr(ads, ap,bp); |
a1d2d0ed |
550 | } |
551 | |
14180727 |
552 | static void mfp_hostaddr(adns_query qu, adns_rr_hostaddr *rrp) { |
553 | void *tablev; |
f2ad23ee |
554 | |
14180727 |
555 | adns__makefinal_str(qu,&rrp->host); |
556 | tablev= rrp->addrs; |
557 | adns__makefinal_block(qu, &tablev, rrp->naddrs*sizeof(*rrp->addrs)); |
558 | rrp->addrs= tablev; |
f2ad23ee |
559 | } |
560 | |
14180727 |
561 | static void mf_hostaddr(adns_query qu, void *datap) { |
562 | adns_rr_hostaddr *rrp= datap; |
f2ad23ee |
563 | |
14180727 |
564 | mfp_hostaddr(qu,rrp); |
f2ad23ee |
565 | } |
566 | |
26eb6bdc |
567 | static adns_status csp_hostaddr(vbuf *vb, const adns_rr_hostaddr *rrp) { |
0fb18816 |
568 | const char *errstr; |
26eb6bdc |
569 | adns_status st; |
9e50e3ac |
570 | char buf[20]; |
26eb6bdc |
571 | int i; |
572 | |
0fb18816 |
573 | st= csp_domain(vb,rrp->host); if (st) return st; |
26eb6bdc |
574 | |
0872e289 |
575 | CSP_ADDSTR(" "); |
9e50e3ac |
576 | CSP_ADDSTR(adns_errtypeabbrev(rrp->astatus)); |
577 | |
578 | sprintf(buf," %d ",rrp->astatus); |
579 | CSP_ADDSTR(buf); |
0fb18816 |
580 | |
9e50e3ac |
581 | CSP_ADDSTR(adns_errabbrev(rrp->astatus)); |
0fb18816 |
582 | CSP_ADDSTR(" "); |
9e50e3ac |
583 | |
0fb18816 |
584 | errstr= adns_strerror(rrp->astatus); |
585 | st= csp_qstring(vb,errstr,strlen(errstr)); if (st) return st; |
0872e289 |
586 | |
587 | if (rrp->naddrs >= 0) { |
588 | CSP_ADDSTR(" ("); |
589 | for (i=0; i<rrp->naddrs; i++) { |
590 | CSP_ADDSTR(" "); |
26eb6bdc |
591 | st= csp_addr(vb,&rrp->addrs[i]); |
592 | } |
0872e289 |
593 | CSP_ADDSTR(" )"); |
594 | } else { |
595 | CSP_ADDSTR(" ?"); |
26eb6bdc |
596 | } |
597 | return adns_s_ok; |
598 | } |
599 | |
600 | static adns_status cs_hostaddr(vbuf *vb, const void *datap) { |
601 | const adns_rr_hostaddr *rrp= datap; |
602 | |
603 | return csp_hostaddr(vb,rrp); |
604 | } |
605 | |
14180727 |
606 | /* |
607 | * _mx_raw (pa,di) |
608 | */ |
26eb6bdc |
609 | |
9c344a42 |
610 | static adns_status pa_mx_raw(const parseinfo *pai, int cbyte, |
611 | int max, void *datap) { |
14180727 |
612 | const byte *dgram= pai->dgram; |
613 | adns_rr_intstr *rrp= datap; |
614 | adns_status st; |
615 | int pref; |
26eb6bdc |
616 | |
14180727 |
617 | if (cbyte+2 > max) return adns_s_invaliddata; |
618 | GET_W(cbyte,pref); |
619 | rrp->i= pref; |
620 | st= pap_domain(pai, &cbyte, max, &rrp->str, |
621 | pai->qu->flags & adns_qf_quoteok_anshost ? pdf_quoteok : 0); |
622 | if (st) return st; |
26eb6bdc |
623 | |
14180727 |
624 | if (cbyte != max) return adns_s_invaliddata; |
625 | return adns_s_ok; |
626 | } |
26eb6bdc |
627 | |
8c3aa944 |
628 | static int di_mx_raw(adns_state ads, const void *datap_a, const void *datap_b) { |
14180727 |
629 | const adns_rr_intstr *ap= datap_a, *bp= datap_b; |
630 | |
631 | if (ap->i < bp->i) return 0; |
632 | if (ap->i > bp->i) return 1; |
633 | return 0; |
26eb6bdc |
634 | } |
635 | |
14180727 |
636 | /* |
637 | * _mx (pa,di) |
638 | */ |
26eb6bdc |
639 | |
9c344a42 |
640 | static adns_status pa_mx(const parseinfo *pai, int cbyte, |
641 | int max, void *datap) { |
14180727 |
642 | const byte *dgram= pai->dgram; |
643 | adns_rr_inthostaddr *rrp= datap; |
644 | adns_status st; |
645 | int pref; |
646 | |
647 | if (cbyte+2 > max) return adns_s_invaliddata; |
648 | GET_W(cbyte,pref); |
649 | rrp->i= pref; |
650 | st= pap_hostaddr(pai, &cbyte, max, &rrp->ha); |
651 | if (st) return st; |
652 | |
653 | if (cbyte != max) return adns_s_invaliddata; |
654 | return adns_s_ok; |
655 | } |
656 | |
8c3aa944 |
657 | static int di_mx(adns_state ads, const void *datap_a, const void *datap_b) { |
14180727 |
658 | const adns_rr_inthostaddr *ap= datap_a, *bp= datap_b; |
659 | |
660 | if (ap->i < bp->i) return 0; |
661 | if (ap->i > bp->i) return 1; |
8c3aa944 |
662 | return dip_hostaddr(ads, &ap->ha, &bp->ha); |
26eb6bdc |
663 | } |
664 | |
14180727 |
665 | /* |
666 | * _inthostaddr (mf,cs) |
667 | */ |
668 | |
26eb6bdc |
669 | static void mf_inthostaddr(adns_query qu, void *datap) { |
670 | adns_rr_inthostaddr *rrp= datap; |
671 | |
672 | mfp_hostaddr(qu,&rrp->ha); |
673 | } |
674 | |
14180727 |
675 | static adns_status cs_inthostaddr(vbuf *vb, const void *datap) { |
676 | const adns_rr_inthostaddr *rrp= datap; |
677 | char buf[10]; |
f2ad23ee |
678 | |
14180727 |
679 | sprintf(buf,"%u ",rrp->i); |
680 | CSP_ADDSTR(buf); |
681 | |
682 | return csp_hostaddr(vb,&rrp->ha); |
cfdca685 |
683 | } |
684 | |
14180727 |
685 | /* |
0872e289 |
686 | * _inthost (cs) |
687 | */ |
688 | |
689 | static adns_status cs_inthost(vbuf *vb, const void *datap) { |
690 | const adns_rr_intstr *rrp= datap; |
691 | char buf[10]; |
692 | |
693 | sprintf(buf,"%u ",rrp->i); |
694 | CSP_ADDSTR(buf); |
695 | return csp_domain(vb,rrp->str); |
696 | } |
697 | |
698 | /* |
cd1bde2f |
699 | * _ptr (pa, +icb_ptr) |
700 | */ |
701 | |
702 | static void icb_ptr(adns_query parent, adns_query child) { |
703 | adns_answer *cans= child->answer; |
704 | const adns_rr_addr *queried, *found; |
cb32030b |
705 | adns_state ads= parent->ads; |
cd1bde2f |
706 | int i; |
707 | |
708 | if (cans->status == adns_s_nxdomain || cans->status == adns_s_nodata) { |
709 | adns__query_fail(parent,adns_s_inconsistent); |
710 | return; |
711 | } else if (cans->status) { |
712 | adns__query_fail(parent,cans->status); |
713 | return; |
714 | } |
715 | |
716 | queried= &parent->ctx.info.ptr_parent_addr; |
717 | for (i=0, found=cans->rrs.addr; i<cans->nrrs; i++, found++) { |
718 | if (queried->len == found->len && |
719 | !memcmp(&queried->addr,&found->addr,queried->len)) { |
cb32030b |
720 | if (!parent->children.head) { |
721 | adns__query_done(parent); |
722 | return; |
723 | } else { |
724 | LIST_LINK_TAIL(ads->childw,parent); |
725 | return; |
726 | } |
cd1bde2f |
727 | } |
728 | } |
729 | |
730 | adns__query_fail(parent,adns_s_inconsistent); |
731 | } |
732 | |
9c344a42 |
733 | static adns_status pa_ptr(const parseinfo *pai, int dmstart, |
734 | int max, void *datap) { |
cd1bde2f |
735 | static const char *(expectdomain[])= { DNS_INADDR_ARPA }; |
736 | |
737 | char **rrp= datap; |
738 | adns_status st; |
739 | adns_rr_addr *ap; |
740 | findlabel_state fls; |
741 | char *ep; |
742 | byte ipv[4]; |
743 | char labbuf[4]; |
744 | int cbyte, i, lablen, labstart, l, id; |
745 | adns_query nqu; |
746 | qcontext ctx; |
747 | |
748 | cbyte= dmstart; |
749 | st= pap_domain(pai, &cbyte, max, rrp, |
750 | pai->qu->flags & adns_qf_quoteok_anshost ? pdf_quoteok : 0); |
751 | if (st) return st; |
752 | if (cbyte != max) return adns_s_invaliddata; |
753 | |
754 | ap= &pai->qu->ctx.info.ptr_parent_addr; |
755 | if (!ap->len) { |
756 | adns__findlabel_start(&fls, pai->ads, -1, pai->qu, |
757 | pai->qu->query_dgram, pai->qu->query_dglen, |
758 | pai->qu->query_dglen, DNS_HDRSIZE, 0); |
759 | for (i=0; i<4; i++) { |
760 | st= adns__findlabel_next(&fls,&lablen,&labstart); assert(!st); |
9b86645c |
761 | if (lablen<=0 || lablen>3) return adns_s_querydomainwrong; |
9c344a42 |
762 | memcpy(labbuf, pai->qu->query_dgram + labstart, lablen); |
763 | labbuf[lablen]= 0; |
764 | ipv[3-i]= strtoul(labbuf,&ep,10); |
765 | if (*ep) return adns_s_querydomainwrong; |
cd1bde2f |
766 | if (lablen>1 && pai->qu->query_dgram[labstart]=='0') |
9b86645c |
767 | return adns_s_querydomainwrong; |
cd1bde2f |
768 | } |
769 | for (i=0; i<sizeof(expectdomain)/sizeof(*expectdomain); i++) { |
770 | st= adns__findlabel_next(&fls,&lablen,&labstart); assert(!st); |
771 | l= strlen(expectdomain[i]); |
9c344a42 |
772 | if (lablen != l || |
773 | memcmp(pai->qu->query_dgram + labstart, expectdomain[i], l)) |
9b86645c |
774 | return adns_s_querydomainwrong; |
cd1bde2f |
775 | } |
776 | st= adns__findlabel_next(&fls,&lablen,0); assert(!st); |
9b86645c |
777 | if (lablen) return adns_s_querydomainwrong; |
cd1bde2f |
778 | |
779 | ap->len= sizeof(struct sockaddr_in); |
780 | memset(&ap->addr,0,sizeof(ap->addr.inet)); |
781 | ap->addr.inet.sin_family= AF_INET; |
782 | ap->addr.inet.sin_addr.s_addr= |
783 | htonl((ipv[0]<<24) | (ipv[1]<<16) | (ipv[2]<<8) | (ipv[3])); |
784 | } |
785 | |
786 | st= adns__mkquery_frdgram(pai->ads, &pai->qu->vb, &id, |
787 | pai->dgram, pai->dglen, dmstart, |
788 | adns_r_addr, adns_qf_quoteok_query); |
789 | if (st) return st; |
790 | |
791 | ctx.ext= 0; |
792 | ctx.callback= icb_ptr; |
793 | memset(&ctx.info,0,sizeof(ctx.info)); |
794 | st= adns__internal_submit(pai->ads, &nqu, adns__findtype(adns_r_addr), |
795 | &pai->qu->vb, id, |
7e6a84a1 |
796 | adns_qf_quoteok_query, pai->now, &ctx); |
cd1bde2f |
797 | if (st) return st; |
798 | |
799 | nqu->parent= pai->qu; |
800 | LIST_LINK_TAIL_PART(pai->qu->children,nqu,siblings.); |
cd1bde2f |
801 | return adns_s_ok; |
802 | } |
803 | |
804 | /* |
0872e289 |
805 | * _strpair (mf) |
61093792 |
806 | */ |
807 | |
808 | static void mf_strpair(adns_query qu, void *datap) { |
809 | adns_rr_strpair *rrp= datap; |
810 | |
811 | adns__makefinal_str(qu,&rrp->array[0]); |
812 | adns__makefinal_str(qu,&rrp->array[1]); |
813 | } |
814 | |
61093792 |
815 | /* |
0872e289 |
816 | * _intstrpair (mf) |
61093792 |
817 | */ |
818 | |
819 | static void mf_intstrpair(adns_query qu, void *datap) { |
820 | adns_rr_intstrpair *rrp= datap; |
821 | |
822 | adns__makefinal_str(qu,&rrp->array[0].str); |
823 | adns__makefinal_str(qu,&rrp->array[1].str); |
824 | } |
825 | |
61093792 |
826 | /* |
827 | * _hinfo (pa) |
828 | */ |
829 | |
9c344a42 |
830 | static adns_status pa_hinfo(const parseinfo *pai, int cbyte, |
831 | int max, void *datap) { |
61093792 |
832 | adns_rr_intstrpair *rrp= datap; |
833 | adns_status st; |
834 | int i; |
835 | |
836 | for (i=0; i<2; i++) { |
0872e289 |
837 | st= pap_qstring(pai, &cbyte, max, &rrp->array[i].i, &rrp->array[i].str); |
61093792 |
838 | if (st) return st; |
839 | } |
840 | |
841 | if (cbyte != max) return adns_s_invaliddata; |
842 | |
843 | return adns_s_ok; |
844 | } |
845 | |
846 | /* |
0872e289 |
847 | * _mailbox (pap,cs) |
61093792 |
848 | */ |
849 | |
9c344a42 |
850 | static adns_status pap_mailbox822(const parseinfo *pai, |
851 | int *cbyte_io, int max, char **mb_r) { |
6f2c243f |
852 | int lablen, labstart, i, needquote, c, r, neednorm; |
853 | const unsigned char *p; |
854 | char *str; |
855 | findlabel_state fls; |
856 | adns_status st; |
857 | vbuf *vb; |
858 | |
859 | vb= &pai->qu->vb; |
860 | vb->used= 0; |
861 | adns__findlabel_start(&fls, pai->ads, |
862 | -1, pai->qu, |
863 | pai->dgram, pai->dglen, max, |
864 | *cbyte_io, cbyte_io); |
865 | st= adns__findlabel_next(&fls,&lablen,&labstart); |
866 | if (!lablen) { |
0872e289 |
867 | adns__vbuf_appendstr(vb,"."); |
6f2c243f |
868 | goto x_ok; |
869 | } |
870 | |
871 | neednorm= 1; |
872 | for (i=0, needquote=0, p= pai->dgram+labstart; i<lablen; i++) { |
873 | c= *p++; |
874 | if ((c&~128) < 32 || (c&~128) == 127) return adns_s_invaliddata; |
875 | if (c == '.' && !neednorm) neednorm= 1; |
67ca39c8 |
876 | else if (c==' ' || c>=127 || ctype_822special(c)) needquote++; |
6f2c243f |
877 | else neednorm= 0; |
878 | } |
879 | |
880 | if (needquote || neednorm) { |
881 | r= adns__vbuf_ensure(vb, lablen+needquote+4); if (!r) R_NOMEM; |
882 | adns__vbuf_appendq(vb,"\"",1); |
883 | for (i=0, needquote=0, p= pai->dgram+labstart; i<lablen; i++, p++) { |
884 | c= *p; |
0872e289 |
885 | if (c == '"' || c=='\\') adns__vbuf_appendq(vb,"\\",1); |
6f2c243f |
886 | adns__vbuf_appendq(vb,p,1); |
887 | } |
888 | adns__vbuf_appendq(vb,"\"",1); |
889 | } else { |
890 | r= adns__vbuf_append(vb, pai->dgram+labstart, lablen); if (!r) R_NOMEM; |
891 | } |
892 | |
893 | r= adns__vbuf_appendstr(vb,"@"); if (!r) R_NOMEM; |
894 | |
895 | st= adns__parse_domain_more(&fls,pai->ads, pai->qu,vb,0, pai->dgram); |
896 | if (st) return st; |
897 | |
898 | x_ok: |
899 | str= adns__alloc_interim(pai->qu, vb->used+1); if (!str) R_NOMEM; |
900 | memcpy(str,vb->buf,vb->used); |
901 | str[vb->used]= 0; |
902 | *mb_r= str; |
903 | return adns_s_ok; |
61093792 |
904 | } |
905 | |
c2875680 |
906 | static adns_status pap_mailbox(const parseinfo *pai, int *cbyte_io, int max, |
907 | char **mb_r) { |
908 | if (pai->qu->typei->type & adns__qtf_mail822) { |
909 | return pap_mailbox822(pai, cbyte_io, max, mb_r); |
910 | } else { |
0872e289 |
911 | return pap_domain(pai, cbyte_io, max, mb_r, pdf_quoteok); |
c2875680 |
912 | } |
913 | } |
914 | |
0872e289 |
915 | static adns_status csp_mailbox(vbuf *vb, const char *mailbox) { |
916 | return csp_domain(vb,mailbox); |
917 | } |
918 | |
61093792 |
919 | /* |
0872e289 |
920 | * _rp (pa,cs) |
61093792 |
921 | */ |
922 | |
9c344a42 |
923 | static adns_status pa_rp(const parseinfo *pai, int cbyte, |
924 | int max, void *datap) { |
61093792 |
925 | adns_rr_strpair *rrp= datap; |
926 | adns_status st; |
927 | |
928 | st= pap_mailbox(pai, &cbyte, max, &rrp->array[0]); |
929 | if (st) return st; |
930 | |
931 | st= pap_domain(pai, &cbyte, max, &rrp->array[1], pdf_quoteok); |
932 | if (st) return st; |
933 | |
934 | if (cbyte != max) return adns_s_invaliddata; |
935 | return adns_s_ok; |
936 | } |
937 | |
0872e289 |
938 | static adns_status cs_rp(vbuf *vb, const void *datap) { |
939 | const adns_rr_strpair *rrp= datap; |
940 | adns_status st; |
941 | |
942 | st= csp_mailbox(vb,rrp->array[0]); if (st) return st; |
943 | CSP_ADDSTR(" "); |
944 | st= csp_domain(vb,rrp->array[1]); if (st) return st; |
945 | |
946 | return adns_s_ok; |
947 | } |
948 | |
61093792 |
949 | /* |
950 | * _soa (pa,mf,cs) |
951 | */ |
952 | |
9c344a42 |
953 | static adns_status pa_soa(const parseinfo *pai, int cbyte, |
954 | int max, void *datap) { |
61093792 |
955 | adns_rr_soa *rrp= datap; |
956 | const byte *dgram= pai->dgram; |
957 | adns_status st; |
958 | int msw, lsw, i; |
959 | |
960 | st= pap_domain(pai, &cbyte, max, &rrp->mname, |
961 | pai->qu->flags & adns_qf_quoteok_anshost ? pdf_quoteok : 0); |
962 | if (st) return st; |
963 | |
964 | st= pap_mailbox(pai, &cbyte, max, &rrp->rname); |
965 | if (st) return st; |
966 | |
967 | if (cbyte+20 != max) return adns_s_invaliddata; |
968 | |
969 | for (i=0; i<5; i++) { |
970 | GET_W(cbyte,msw); |
971 | GET_W(cbyte,lsw); |
972 | (&rrp->serial)[i]= (msw<<16) | lsw; |
973 | } |
974 | |
975 | return adns_s_ok; |
976 | } |
977 | |
978 | static void mf_soa(adns_query qu, void *datap) { |
979 | adns_rr_soa *rrp= datap; |
980 | |
981 | adns__makefinal_str(qu,&rrp->mname); |
982 | adns__makefinal_str(qu,&rrp->rname); |
983 | } |
984 | |
985 | static adns_status cs_soa(vbuf *vb, const void *datap) { |
986 | const adns_rr_soa *rrp= datap; |
987 | char buf[20]; |
988 | int i; |
989 | adns_status st; |
990 | |
0872e289 |
991 | st= csp_domain(vb,rrp->mname); if (st) return st; |
61093792 |
992 | CSP_ADDSTR(" "); |
0872e289 |
993 | st= csp_mailbox(vb,rrp->rname); if (st) return st; |
61093792 |
994 | |
995 | for (i=0; i<5; i++) { |
996 | sprintf(buf," %lu",(&rrp->serial)[i]); |
997 | CSP_ADDSTR(buf); |
998 | } |
999 | |
1000 | return adns_s_ok; |
1001 | } |
1002 | |
1003 | /* |
14180727 |
1004 | * _flat (mf) |
1005 | */ |
1006 | |
cfdca685 |
1007 | static void mf_flat(adns_query qu, void *data) { } |
1008 | |
14180727 |
1009 | /* |
1010 | * Now the table. |
1011 | */ |
1012 | |
f2ad23ee |
1013 | #define TYPESZ_M(member) (sizeof(*((adns_answer*)0)->rrs.member)) |
1e9efa71 |
1014 | |
cfdca685 |
1015 | #define DEEP_MEMB(memb) TYPESZ_M(memb), mf_##memb, cs_##memb |
1016 | #define FLAT_MEMB(memb) TYPESZ_M(memb), mf_flat, cs_##memb |
5c596e4d |
1017 | |
0872e289 |
1018 | #define DEEP_TYPE(code,rrt,fmt,memb,parser,comparer,printer) \ |
9c344a42 |
1019 | { adns_r_##code, rrt,fmt,TYPESZ_M(memb), mf_##memb, printer,parser,comparer } |
0872e289 |
1020 | #define FLAT_TYPE(code,rrt,fmt,memb,parser,comparer,printer) \ |
9c344a42 |
1021 | { adns_r_##code, rrt,fmt,TYPESZ_M(memb), mf_flat, printer,parser,comparer } |
5c596e4d |
1022 | |
1023 | static const typeinfo typeinfos[] = { |
14180727 |
1024 | /* Must be in ascending order of rrtype ! */ |
9c344a42 |
1025 | /* mem-mgmt code rrt fmt member parser comparer printer */ |
1026 | |
1027 | FLAT_TYPE(a, "A", 0, inaddr, pa_inaddr, di_inaddr,cs_inaddr ), |
1028 | DEEP_TYPE(ns_raw, "NS", "raw",str, pa_host_raw,0, cs_domain ), |
1029 | DEEP_TYPE(cname, "CNAME", 0, str, pa_dom_raw, 0, cs_domain ), |
1030 | DEEP_TYPE(soa_raw,"SOA", "raw",soa, pa_soa, 0, cs_soa ), |
1031 | DEEP_TYPE(ptr_raw,"PTR", "raw",str, pa_host_raw,0, cs_domain ), |
1032 | DEEP_TYPE(hinfo, "HINFO", 0, intstrpair,pa_hinfo, 0, cs_hinfo ), |
1033 | DEEP_TYPE(mx_raw, "MX", "raw",intstr, pa_mx_raw, di_mx_raw,cs_inthost ), |
1034 | DEEP_TYPE(txt, "TXT", 0, manyistr,pa_txt, 0, cs_txt ), |
1035 | DEEP_TYPE(rp_raw, "RP", "raw",strpair, pa_rp, 0, cs_rp ), |
1036 | |
1037 | FLAT_TYPE(addr, "A", "addr", addr, pa_addr, di_addr, cs_addr ), |
1038 | DEEP_TYPE(ns, "NS", "+addr",hostaddr,pa_hostaddr,di_hostaddr,cs_hostaddr ), |
1039 | DEEP_TYPE(ptr, "PTR","checked",str, pa_ptr, 0, cs_domain ), |
1040 | DEEP_TYPE(mx, "MX", "+addr",inthostaddr,pa_mx, di_mx, cs_inthostaddr), |
1041 | |
1042 | DEEP_TYPE(soa, "SOA","822", soa, pa_soa, 0, cs_soa ), |
1043 | DEEP_TYPE(rp, "RP", "822", strpair, pa_rp, 0, cs_rp ), |
5c596e4d |
1044 | }; |
1045 | |
c9afe7bb |
1046 | const typeinfo *adns__findtype(adns_rrtype type) { |
1047 | const typeinfo *begin, *end, *mid; |
5c596e4d |
1048 | |
1049 | begin= typeinfos; end= typeinfos+(sizeof(typeinfos)/sizeof(typeinfo)); |
1050 | |
1051 | while (begin < end) { |
1052 | mid= begin + ((end-begin)>>1); |
1053 | if (mid->type == type) return mid; |
1054 | if (type > mid->type) begin= mid+1; |
1055 | else end= mid; |
1056 | } |
1057 | return 0; |
1058 | } |