3 * - RR-type-specific code, and the machinery to call it
6 * This file is part of adns, which is Copyright (C) 1997-1999 Ian Jackson
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)
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.
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.
26 #include <arpa/inet.h>
30 #define R_NOMEM return adns_s_nomemory
31 #define CSP_ADDSTR(s) if (!adns__vbuf_appendstr(vb,(s))) R_NOMEM; else;
37 * _textdata, _qstring (csp)
43 * _addr (pa,di,csp,cs)
46 * _hostaddr (pap,pa,dip,di,mfp,mf,csp,cs +pap_findaddrs)
49 * _inthostaddr (mf,cs)
59 * within each section:
72 * _textdata, _qstring (csp)
75 static adns_status pap_string(const parseinfo *pai, int *cbyte_io, int max,
76 int *len_r, char **str_r) {
77 /* Neither len_r nor str_r may be null.
78 * End of datagram (overrun) is indicated by returning adns_s_invaliddata;
80 const byte *dgram= pai->dgram;
86 if (cbyte >= max) return adns_s_invaliddata;
88 if (cbyte+l > max) return adns_s_invaliddata;
90 str= adns__alloc_interim(pai->qu, l+1);
94 memcpy(str,dgram+cbyte,l);
103 static adns_status csp_textdata(vbuf *vb, const char *dp, int len) {
109 for (cn=0; cn<len; cn++) {
111 if (ch >= 32 && ch <= 126 && ch != '"' && ch != '\\') {
112 if (!adns__vbuf_append(vb,&ch,1)) R_NOMEM;
113 } else if (ch == '\\') {
116 sprintf(buf,"\\x%02x",ch);
125 static adns_status csp_qstring(vbuf *vb, const char *dp) {
126 return csp_textdata(vb, dp, strlen(dp));
133 static void mf_str(adns_query qu, void *datap) {
136 adns__makefinal_str(qu,rrp);
139 static adns_status cs_str(vbuf *vb, const void *datap) {
140 const char *const *rrp= datap;
142 return csp_qstring(vb,*rrp);
146 * _intstr (mf,csp,cs)
149 static void mf_intstr(adns_query qu, void *datap) {
150 adns_rr_intstr *rrp= datap;
152 adns__makefinal_str(qu,&rrp->str);
155 static adns_status csp_intstr(vbuf *vb, const adns_rr_intstr *rrp) {
158 sprintf(buf,"%u ",rrp->i);
160 return csp_qstring(vb,rrp->str);
163 static adns_status cs_intstr(vbuf *vb, const void *datap) {
164 const adns_rr_intstr *rrp= datap;
166 return csp_intstr(vb,rrp);
173 static void mf_manyistr(adns_query qu, void *datap) {
174 adns_rr_intstr **rrp= datap;
175 adns_rr_intstr *te, *table;
179 for (tc=0, te= *rrp; te->i >= 0; te++, tc++);
181 adns__makefinal_block(qu,&tablev,sizeof(*te)*(tc+1));
183 for (te= *rrp; te->i >= 0; te++)
184 adns__makefinal_str(qu,&te->str);
187 static adns_status cs_manyistr(vbuf *vb, const void *datap) {
188 const adns_rr_intstr *const *rrp= datap;
189 const adns_rr_intstr *current;
193 for (spc=0, current= *rrp; current->i >= 0; current++) {
194 if (spc) CSP_ADDSTR(" ");
195 st= csp_textdata(vb,current->str,current->i); if (st) return st;
204 static adns_status pa_txt(const parseinfo *pai, int cbyte, int max, void *datap) {
205 adns_rr_intstr **rrp= datap, *table, *te;
206 const byte *dgram= pai->dgram;
207 int ti, tc, l, startbyte;
211 if (cbyte >= max) return adns_s_invaliddata;
213 while (cbyte < max) {
218 if (cbyte != max) return adns_s_invaliddata;
220 table= adns__alloc_interim(pai->qu,sizeof(*table)*(tc+1));
223 for (cbyte=startbyte, ti=0, te=table; ti<tc; ti++, te++) {
224 st= pap_string(pai, &cbyte, max, &te->i, &te->str);
227 assert(cbyte == max);
237 * _inaddr (pa,dip,di)
240 static adns_status pa_inaddr(const parseinfo *pai, int cbyte, int max, void *datap) {
241 struct in_addr *storeto= datap;
243 if (max-cbyte != 4) return adns_s_invaliddata;
244 memcpy(storeto, pai->dgram + cbyte, 4);
248 static int search_sortlist(adns_state ads, struct in_addr ad) {
249 const struct sortlist *slp;
252 for (i=0, slp=ads->sortlist;
253 i<ads->nsortlist && !((ad.s_addr & slp->mask.s_addr) == slp->base.s_addr);
258 static int dip_inaddr(adns_state ads, struct in_addr a, struct in_addr b) {
261 if (!ads->nsortlist) return 0;
263 ai= search_sortlist(ads,a);
264 bi= search_sortlist(ads,b);
268 static int di_inaddr(adns_state ads, const void *datap_a, const void *datap_b) {
269 const struct in_addr *ap= datap_a, *bp= datap_b;
271 return dip_inaddr(ads,*ap,*bp);
274 static adns_status cs_inaddr(vbuf *vb, const void *datap) {
275 const struct in_addr *rrp= datap, rr= *rrp;
278 ia= inet_ntoa(rr); assert(ia);
284 * _addr (pa,di,csp,cs)
287 static adns_status pa_addr(const parseinfo *pai, int cbyte, int max, void *datap) {
288 adns_rr_addr *storeto= datap;
289 const byte *dgram= pai->dgram;
291 if (max-cbyte != 4) return adns_s_invaliddata;
292 storeto->len= sizeof(storeto->addr.inet);
293 memset(&storeto->addr,0,sizeof(storeto->addr.inet));
294 storeto->addr.inet.sin_family= AF_INET;
295 memcpy(&storeto->addr.inet.sin_addr,dgram+cbyte,4);
299 static int di_addr(adns_state ads, const void *datap_a, const void *datap_b) {
300 const adns_rr_addr *ap= datap_a, *bp= datap_b;
302 assert(ap->addr.sa.sa_family == AF_INET);
303 return dip_inaddr(ads, ap->addr.inet.sin_addr, bp->addr.inet.sin_addr);
306 static int div_addr(void *context, const void *datap_a, const void *datap_b) {
307 const adns_state ads= context;
309 return di_addr(ads, datap_a, datap_b);
312 static adns_status csp_addr(vbuf *vb, const adns_rr_addr *rrp) {
316 switch (rrp->addr.inet.sin_family) {
318 CSP_ADDSTR("AF_INET ");
319 ia= inet_ntoa(rrp->addr.inet.sin_addr); assert(ia);
323 sprintf(buf,"AF=%u",rrp->addr.sa.sa_family);
330 static adns_status cs_addr(vbuf *vb, const void *datap) {
331 const adns_rr_addr *rrp= datap;
333 return csp_addr(vb,rrp);
340 static adns_status pap_domain(const parseinfo *pai, int *cbyte_io, int max,
341 char **domain_r, parsedomain_flags flags) {
345 st= adns__parse_domain(pai->qu->ads, pai->serv, pai->qu, &pai->qu->vb, flags,
346 pai->dgram,pai->dglen, cbyte_io, max);
348 if (!pai->qu->vb.used) return adns_s_invaliddata;
350 dm= adns__alloc_interim(pai->qu, pai->qu->vb.used+1);
353 dm[pai->qu->vb.used]= 0;
354 memcpy(dm,pai->qu->vb.buf,pai->qu->vb.used);
364 static adns_status pa_host_raw(const parseinfo *pai, int cbyte, int max, void *datap) {
368 st= pap_domain(pai, &cbyte, max, rrp,
369 pai->qu->flags & adns_qf_quoteok_anshost ? pdf_quoteok : 0);
372 if (cbyte != max) return adns_s_invaliddata;
377 * _hostaddr (pap,pa,dip,di,mfp,mf,csp,cs +icb_hostaddr, pap_findaddrs)
380 static adns_status pap_findaddrs(const parseinfo *pai, adns_rr_hostaddr *ha,
381 int *cbyte_io, int count, int dmstart) {
383 int type, class, rdlen, rdstart, ownermatched;
387 for (rri=0, naddrs=-1; rri<count; rri++) {
388 st= adns__findrr_anychk(pai->qu, pai->serv, pai->dgram, pai->dglen, cbyte_io,
389 &type, &class, &ttl, &rdlen, &rdstart,
390 pai->dgram, pai->dglen, dmstart, &ownermatched);
392 if (!ownermatched || class != DNS_CLASS_IN || type != adns_r_a) {
393 if (naddrs>0) break; else continue;
398 if (!adns__vbuf_ensure(&pai->qu->vb, (naddrs+1)*sizeof(adns_rr_addr))) R_NOMEM;
399 adns__update_expires(pai->qu,ttl,pai->now);
400 st= pa_addr(pai, rdstart,rdstart+rdlen,
401 pai->qu->vb.buf + naddrs*sizeof(adns_rr_addr));
406 ha->addrs= adns__alloc_interim(pai->qu, naddrs*sizeof(adns_rr_addr));
407 if (!ha->addrs) R_NOMEM;
408 memcpy(ha->addrs, pai->qu->vb.buf, naddrs*sizeof(adns_rr_addr));
410 ha->astatus= adns_s_ok;
412 adns__isort(ha->addrs, naddrs, sizeof(adns_rr_addr), pai->qu->vb.buf,
418 static void icb_hostaddr(adns_query parent, adns_query child) {
419 adns_answer *cans= child->answer;
420 adns_rr_hostaddr *rrp= child->ctx.info.hostaddr;
422 rrp->astatus= cans->status;
423 rrp->naddrs= cans->nrrs;
424 rrp->addrs= cans->rrs.addr;
425 adns__transfer_interim(child, parent, rrp->addrs, rrp->naddrs*sizeof(adns_rr_addr));
427 if (!parent->children.head) adns__query_done(parent);
430 static adns_status pap_hostaddr(const parseinfo *pai, int *cbyte_io,
431 int max, adns_rr_hostaddr *rrp) {
437 adns_queryflags nflags;
439 dmstart= cbyte= *cbyte_io;
440 st= pap_domain(pai, &cbyte, max, &rrp->host,
441 pai->qu->flags & adns_qf_quoteok_anshost ? pdf_quoteok : 0);
445 rrp->astatus= adns_s_ok;
451 st= pap_findaddrs(pai, rrp, &cbyte, pai->nscount, dmstart);
453 if (rrp->naddrs != -1) return adns_s_ok;
455 st= pap_findaddrs(pai, rrp, &cbyte, pai->arcount, dmstart);
457 if (rrp->naddrs != -1) return adns_s_ok;
459 st= adns__mkquery_frdgram(pai->ads, &pai->qu->vb, &id,
460 pai->dgram, pai->dglen, dmstart,
461 adns_r_addr, adns_qf_quoteok_query);
465 ctx.callback= icb_hostaddr;
466 ctx.info.hostaddr= rrp;
468 nflags= adns_qf_quoteok_query;
469 if (!(pai->qu->flags & adns_qf_cname_loose)) nflags |= adns_qf_cname_forbid;
471 st= adns__internal_submit(pai->ads, &nqu, adns__findtype(adns_r_addr),
472 &pai->qu->vb, id, nflags, pai->now, &ctx);
475 nqu->parent= pai->qu;
476 LIST_LINK_TAIL_PART(pai->qu->children,nqu,siblings.);
481 static adns_status pa_hostaddr(const parseinfo *pai, int cbyte, int max, void *datap) {
482 adns_rr_hostaddr *rrp= datap;
485 st= pap_hostaddr(pai, &cbyte, max, rrp);
487 if (cbyte != max) return adns_s_invaliddata;
492 static int dip_hostaddr(adns_state ads, const adns_rr_hostaddr *ap, const adns_rr_hostaddr *bp) {
493 if (ap->astatus != bp->astatus) return ap->astatus;
494 if (ap->astatus) return 0;
496 assert(ap->addrs[0].addr.sa.sa_family == AF_INET);
497 assert(bp->addrs[0].addr.sa.sa_family == AF_INET);
498 return dip_inaddr(ads,
499 ap->addrs[0].addr.inet.sin_addr,
500 bp->addrs[0].addr.inet.sin_addr);
503 static int di_hostaddr(adns_state ads, const void *datap_a, const void *datap_b) {
504 const adns_rr_hostaddr *ap= datap_a, *bp= datap_b;
506 return dip_hostaddr(ads, ap,bp);
509 static void mfp_hostaddr(adns_query qu, adns_rr_hostaddr *rrp) {
512 adns__makefinal_str(qu,&rrp->host);
514 adns__makefinal_block(qu, &tablev, rrp->naddrs*sizeof(*rrp->addrs));
518 static void mf_hostaddr(adns_query qu, void *datap) {
519 adns_rr_hostaddr *rrp= datap;
521 mfp_hostaddr(qu,rrp);
524 static adns_status csp_hostaddr(vbuf *vb, const adns_rr_hostaddr *rrp) {
529 st= csp_qstring(vb,rrp->host); if (st) return st;
533 CSP_ADDSTR(adns_strerror(rrp->astatus));
535 assert(rrp->naddrs > 0);
536 for (i=0, to_add= ": "; i<rrp->naddrs; i++, to_add= ", ") {
538 st= csp_addr(vb,&rrp->addrs[i]);
544 static adns_status cs_hostaddr(vbuf *vb, const void *datap) {
545 const adns_rr_hostaddr *rrp= datap;
547 return csp_hostaddr(vb,rrp);
554 static adns_status pa_mx_raw(const parseinfo *pai, int cbyte, int max, void *datap) {
555 const byte *dgram= pai->dgram;
556 adns_rr_intstr *rrp= datap;
560 if (cbyte+2 > max) return adns_s_invaliddata;
563 st= pap_domain(pai, &cbyte, max, &rrp->str,
564 pai->qu->flags & adns_qf_quoteok_anshost ? pdf_quoteok : 0);
567 if (cbyte != max) return adns_s_invaliddata;
571 static int di_mx_raw(adns_state ads, const void *datap_a, const void *datap_b) {
572 const adns_rr_intstr *ap= datap_a, *bp= datap_b;
574 if (ap->i < bp->i) return 0;
575 if (ap->i > bp->i) return 1;
583 static adns_status pa_mx(const parseinfo *pai, int cbyte, int max, void *datap) {
584 const byte *dgram= pai->dgram;
585 adns_rr_inthostaddr *rrp= datap;
589 if (cbyte+2 > max) return adns_s_invaliddata;
592 st= pap_hostaddr(pai, &cbyte, max, &rrp->ha);
595 if (cbyte != max) return adns_s_invaliddata;
599 static int di_mx(adns_state ads, const void *datap_a, const void *datap_b) {
600 const adns_rr_inthostaddr *ap= datap_a, *bp= datap_b;
602 if (ap->i < bp->i) return 0;
603 if (ap->i > bp->i) return 1;
604 return dip_hostaddr(ads, &ap->ha, &bp->ha);
608 * _inthostaddr (mf,cs)
611 static void mf_inthostaddr(adns_query qu, void *datap) {
612 adns_rr_inthostaddr *rrp= datap;
614 mfp_hostaddr(qu,&rrp->ha);
617 static adns_status cs_inthostaddr(vbuf *vb, const void *datap) {
618 const adns_rr_inthostaddr *rrp= datap;
621 sprintf(buf,"%u ",rrp->i);
624 return csp_hostaddr(vb,&rrp->ha);
628 * _ptr (pa, +icb_ptr)
631 static void icb_ptr(adns_query parent, adns_query child) {
632 adns_answer *cans= child->answer;
633 const adns_rr_addr *queried, *found;
636 if (cans->status == adns_s_nxdomain || cans->status == adns_s_nodata) {
637 adns__query_fail(parent,adns_s_inconsistent);
639 } else if (cans->status) {
640 adns__query_fail(parent,cans->status);
644 queried= &parent->ctx.info.ptr_parent_addr;
645 for (i=0, found=cans->rrs.addr; i<cans->nrrs; i++, found++) {
646 if (queried->len == found->len &&
647 !memcmp(&queried->addr,&found->addr,queried->len)) {
648 if (!parent->children.head) adns__query_done(parent);
653 adns__query_fail(parent,adns_s_inconsistent);
656 static adns_status pa_ptr(const parseinfo *pai, int dmstart, int max, void *datap) {
657 static const char *(expectdomain[])= { DNS_INADDR_ARPA };
666 int cbyte, i, lablen, labstart, l, id;
671 st= pap_domain(pai, &cbyte, max, rrp,
672 pai->qu->flags & adns_qf_quoteok_anshost ? pdf_quoteok : 0);
674 if (cbyte != max) return adns_s_invaliddata;
676 ap= &pai->qu->ctx.info.ptr_parent_addr;
678 adns__findlabel_start(&fls, pai->ads, -1, pai->qu,
679 pai->qu->query_dgram, pai->qu->query_dglen,
680 pai->qu->query_dglen, DNS_HDRSIZE, 0);
681 for (i=0; i<4; i++) {
682 st= adns__findlabel_next(&fls,&lablen,&labstart); assert(!st);
683 if (lablen<=0 || lablen>3) return adns_s_querydomainwrong;
684 memcpy(labbuf, pai->qu->query_dgram + labstart, lablen); labbuf[lablen]= 0;
685 ipv[3-i]= strtoul(labbuf,&ep,10); if (*ep) return adns_s_querydomainwrong;
686 if (lablen>1 && pai->qu->query_dgram[labstart]=='0')
687 return adns_s_querydomainwrong;
689 for (i=0; i<sizeof(expectdomain)/sizeof(*expectdomain); i++) {
690 st= adns__findlabel_next(&fls,&lablen,&labstart); assert(!st);
691 l= strlen(expectdomain[i]);
692 if (lablen != l || memcmp(pai->qu->query_dgram + labstart, expectdomain[i], l))
693 return adns_s_querydomainwrong;
695 st= adns__findlabel_next(&fls,&lablen,0); assert(!st);
696 if (lablen) return adns_s_querydomainwrong;
698 ap->len= sizeof(struct sockaddr_in);
699 memset(&ap->addr,0,sizeof(ap->addr.inet));
700 ap->addr.inet.sin_family= AF_INET;
701 ap->addr.inet.sin_addr.s_addr=
702 htonl((ipv[0]<<24) | (ipv[1]<<16) | (ipv[2]<<8) | (ipv[3]));
705 st= adns__mkquery_frdgram(pai->ads, &pai->qu->vb, &id,
706 pai->dgram, pai->dglen, dmstart,
707 adns_r_addr, adns_qf_quoteok_query);
711 ctx.callback= icb_ptr;
712 memset(&ctx.info,0,sizeof(ctx.info));
713 st= adns__internal_submit(pai->ads, &nqu, adns__findtype(adns_r_addr),
715 adns_qf_quoteok_query, pai->now, &ctx);
718 nqu->parent= pai->qu;
719 LIST_LINK_TAIL_PART(pai->qu->children,nqu,siblings.);
728 static void mf_strpair(adns_query qu, void *datap) {
729 adns_rr_strpair *rrp= datap;
731 adns__makefinal_str(qu,&rrp->array[0]);
732 adns__makefinal_str(qu,&rrp->array[1]);
735 static adns_status cs_strpair(vbuf *vb, const void *datap) {
736 const adns_rr_strpair *rrp= datap;
739 st= csp_qstring(vb,rrp->array[0]); if (st) return st;
741 st= csp_qstring(vb,rrp->array[1]); if (st) return st;
747 * _intstrpair (mf,cs)
750 static void mf_intstrpair(adns_query qu, void *datap) {
751 adns_rr_intstrpair *rrp= datap;
753 adns__makefinal_str(qu,&rrp->array[0].str);
754 adns__makefinal_str(qu,&rrp->array[1].str);
757 static adns_status cs_intstrpair(vbuf *vb, const void *datap) {
758 const adns_rr_intstrpair *rrp= datap;
761 st= csp_intstr(vb,&rrp->array[0]); if (st) return st;
763 st= csp_intstr(vb,&rrp->array[1]); if (st) return st;
772 static adns_status pa_hinfo(const parseinfo *pai, int cbyte, int max, void *datap) {
773 adns_rr_intstrpair *rrp= datap;
777 for (i=0; i<2; i++) {
778 st= pap_string(pai, &cbyte, max, &rrp->array[i].i, &rrp->array[i].str);
782 if (cbyte != max) return adns_s_invaliddata;
791 static adns_status pap_mailbox(const parseinfo *pai, int *cbyte_io, int max,
793 int lablen, labstart, i, needquote, c, r, neednorm;
794 const unsigned char *p;
802 adns__findlabel_start(&fls, pai->ads,
804 pai->dgram, pai->dglen, max,
805 *cbyte_io, cbyte_io);
806 st= adns__findlabel_next(&fls,&lablen,&labstart);
808 adns__vbuf_appendstr(vb,"<>");
813 for (i=0, needquote=0, p= pai->dgram+labstart; i<lablen; i++) {
815 if ((c&~128) < 32 || (c&~128) == 127) return adns_s_invaliddata;
816 if (c == '.' && !neednorm) neednorm= 1;
817 else if (strchr("()<>@,;:\\\".[]",c)) needquote++;
821 if (needquote || neednorm) {
822 r= adns__vbuf_ensure(vb, lablen+needquote+4); if (!r) R_NOMEM;
823 adns__vbuf_appendq(vb,"\"",1);
824 for (i=0, needquote=0, p= pai->dgram+labstart; i<lablen; i++, p++) {
826 if (strchr("()<>@,;:\\\".[]",c)) adns__vbuf_appendq(vb,"\\",1);
827 adns__vbuf_appendq(vb,p,1);
829 adns__vbuf_appendq(vb,"\"",1);
831 r= adns__vbuf_append(vb, pai->dgram+labstart, lablen); if (!r) R_NOMEM;
834 r= adns__vbuf_appendstr(vb,"@"); if (!r) R_NOMEM;
836 st= adns__parse_domain_more(&fls,pai->ads, pai->qu,vb,0, pai->dgram);
840 str= adns__alloc_interim(pai->qu, vb->used+1); if (!str) R_NOMEM;
841 memcpy(str,vb->buf,vb->used);
851 static adns_status pa_rp(const parseinfo *pai, int cbyte, int max, void *datap) {
852 adns_rr_strpair *rrp= datap;
855 st= pap_mailbox(pai, &cbyte, max, &rrp->array[0]);
858 st= pap_domain(pai, &cbyte, max, &rrp->array[1], pdf_quoteok);
861 if (cbyte != max) return adns_s_invaliddata;
869 static adns_status pa_soa(const parseinfo *pai, int cbyte, int max, void *datap) {
870 adns_rr_soa *rrp= datap;
871 const byte *dgram= pai->dgram;
875 st= pap_domain(pai, &cbyte, max, &rrp->mname,
876 pai->qu->flags & adns_qf_quoteok_anshost ? pdf_quoteok : 0);
879 st= pap_mailbox(pai, &cbyte, max, &rrp->rname);
882 if (cbyte+20 != max) return adns_s_invaliddata;
884 for (i=0; i<5; i++) {
887 (&rrp->serial)[i]= (msw<<16) | lsw;
893 static void mf_soa(adns_query qu, void *datap) {
894 adns_rr_soa *rrp= datap;
896 adns__makefinal_str(qu,&rrp->mname);
897 adns__makefinal_str(qu,&rrp->rname);
900 static adns_status cs_soa(vbuf *vb, const void *datap) {
901 const adns_rr_soa *rrp= datap;
906 st= csp_qstring(vb,rrp->mname); if (st) return st;
908 st= csp_qstring(vb,rrp->rname); if (st) return st;
910 for (i=0; i<5; i++) {
911 sprintf(buf," %lu",(&rrp->serial)[i]);
922 static void mf_flat(adns_query qu, void *data) { }
928 #define TYPESZ_M(member) (sizeof(*((adns_answer*)0)->rrs.member))
930 #define DEEP_MEMB(memb) TYPESZ_M(memb), mf_##memb, cs_##memb
931 #define FLAT_MEMB(memb) TYPESZ_M(memb), mf_flat, cs_##memb
933 #define DEEP_TYPE(code,rrt,fmt,memb,parser,comparer) \
934 { adns_r_##code, rrt, fmt, TYPESZ_M(memb), mf_##memb, cs_##memb, parser, comparer }
935 #define FLAT_TYPE(code,rrt,fmt,memb,parser,comparer) \
936 { adns_r_##code, rrt, fmt, TYPESZ_M(memb), mf_flat, cs_##memb, parser, comparer }
938 static const typeinfo typeinfos[] = {
939 /* Must be in ascending order of rrtype ! */
940 /* mem-mgmt code rrt fmt member parser comparer */
942 FLAT_TYPE(a, "A", 0, inaddr, pa_inaddr, di_inaddr ),
943 DEEP_TYPE(ns_raw, "NS", "raw", str, pa_host_raw, 0 ),
944 DEEP_TYPE(cname, "CNAME", 0, str, pa_host_raw, 0 ),
945 DEEP_TYPE(soa_raw, "SOA", "raw", soa, pa_soa, 0 ),
946 DEEP_TYPE(ptr_raw, "PTR", "raw", str, pa_host_raw, 0 ),
947 DEEP_TYPE(hinfo, "HINFO", 0, intstrpair, pa_hinfo, 0 ),
948 DEEP_TYPE(mx_raw, "MX", "raw", intstr, pa_mx_raw, di_mx_raw ),
949 DEEP_TYPE(txt, "TXT", 0, manyistr, pa_txt, 0 ),
950 DEEP_TYPE(rp_raw, "RP", "raw", strpair, pa_rp, 0 ),
952 FLAT_TYPE(addr, "A", "addr", addr, pa_addr, di_addr ),
953 DEEP_TYPE(ns, "NS", "+addr", hostaddr, pa_hostaddr, di_hostaddr ),
954 DEEP_TYPE(ptr, "PTR","checked", str, pa_ptr, 0 ),
955 DEEP_TYPE(mx, "MX", "+addr", inthostaddr, pa_mx, di_mx ),
957 DEEP_TYPE(soa, "SOA","822", soa, pa_soa, 0 ),
958 DEEP_TYPE(rp, "RP", "822", strpair, pa_rp, 0 ),
961 const typeinfo *adns__findtype(adns_rrtype type) {
962 const typeinfo *begin, *end, *mid;
964 begin= typeinfos; end= typeinfos+(sizeof(typeinfos)/sizeof(typeinfo));
966 while (begin < end) {
967 mid= begin + ((end-begin)>>1);
968 if (mid->type == type) return mid;
969 if (type > mid->type) begin= mid+1;