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14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
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25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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31 * Portions Copyright (c) 1993 by Digital Equipment Corporation.
33 * Permission to use, copy, modify, and distribute this software for any
34 * purpose with or without fee is hereby granted, provided that the above
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36 * the name of Digital Equipment Corporation not be used in advertising or
37 * publicity pertaining to distribution of the document or software without
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41 * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
42 * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT
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44 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
45 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
46 * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
51 * Portions Copyright (c) 1995 by International Business Machines, Inc.
53 * International Business Machines, Inc. (hereinafter called IBM) grants
54 * permission under its copyrights to use, copy, modify, and distribute this
55 * Software with or without fee, provided that the above copyright notice and
56 * all paragraphs of this notice appear in all copies, and that the name of IBM
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58 * the Software or modifications thereof, without specific, written prior
61 * To the extent it has a right to do so, IBM grants an immunity from suit
62 * under its patents, if any, for the use, sale or manufacture of products to
63 * the extent that such products are used for performing Domain Name System
64 * dynamic updates in TCP/IP networks by means of the Software. No immunity is
65 * granted for any product per se or for any other function of any product.
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68 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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70 * DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER ARISING
71 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE, EVEN
72 * IF IBM IS APPRISED OF THE POSSIBILITY OF SUCH DAMAGES.
76 * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
77 * Portions Copyright (c) 1996-1999 by Internet Software Consortium.
79 * Permission to use, copy, modify, and distribute this software for any
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83 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
84 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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86 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
87 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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89 * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
92 #if defined(LIBC_SCCS) && !defined(lint)
93 static const char sccsid[] = "@(#)res_debug.c 8.1 (Berkeley) 6/4/93";
94 static const char rcsid[] = "$Id: res_debug.c,v 1.10.18.5 2005/07/28 07:38:11 marka Exp $";
95 #endif /* LIBC_SCCS and not lint */
96 #include <sys/cdefs.h>
97 __FBSDID("$FreeBSD$");
99 #include "port_before.h"
101 #include <sys/types.h>
102 #include <sys/param.h>
103 #include <sys/socket.h>
105 #include <netinet/in.h>
106 #include <arpa/inet.h>
107 #include <arpa/nameser.h>
114 #include <resolv_mt.h>
120 #include "port_after.h"
123 # define SPRINTF(x) strlen(sprintf/**/x)
125 # define SPRINTF(x) sprintf x
128 extern const char *_res_opcodes[];
129 extern const char *_res_sectioncodes[];
132 * Print the current options.
135 fp_resstat(const res_state statp, FILE *file) {
138 fprintf(file, ";; res options:");
139 for (mask = 1; mask != 0U; mask <<= 1)
140 if (statp->options & mask)
141 fprintf(file, " %s", p_option(mask));
146 do_section(const res_state statp,
147 ns_msg *handle, ns_sect section,
148 int pflag, FILE *file)
151 static int buflen = 2048;
157 * Print answer records.
159 sflag = (statp->pfcode & pflag);
160 if (statp->pfcode && !sflag)
163 buf = malloc(buflen);
165 fprintf(file, ";; memory allocation failure\n");
169 opcode = (ns_opcode) ns_msg_getflag(*handle, ns_f_opcode);
172 if (ns_parserr(handle, section, rrnum, &rr)) {
174 fprintf(file, ";; ns_parserr: %s\n",
176 else if (rrnum > 0 && sflag != 0 &&
177 (statp->pfcode & RES_PRF_HEAD1))
181 if (rrnum == 0 && sflag != 0 && (statp->pfcode & RES_PRF_HEAD1))
182 fprintf(file, ";; %s SECTION:\n",
183 p_section(section, opcode));
184 if (section == ns_s_qd)
185 fprintf(file, ";;\t%s, type = %s, class = %s\n",
187 p_type(ns_rr_type(rr)),
188 p_class(ns_rr_class(rr)));
189 else if (section == ns_s_ar && ns_rr_type(rr) == ns_t_opt) {
190 u_int32_t ttl = ns_rr_ttl(rr);
192 "; EDNS: version: %u, udp=%u, flags=%04x\n",
193 (ttl>>16)&0xff, ns_rr_class(rr), ttl&0xffff);
195 n = ns_sprintrr(handle, &rr, NULL, NULL,
198 if (errno == ENOSPC) {
202 buf = malloc(buflen += 1024);
205 ";; memory allocation failure\n");
210 fprintf(file, ";; ns_sprintrr: %s\n",
225 * Print the contents of a query.
226 * This is intended to be primarily a debugging routine.
229 res_pquery(const res_state statp, const u_char *msg, int len, FILE *file) {
231 int qdcount, ancount, nscount, arcount;
232 u_int opcode, rcode, id;
234 if (ns_initparse(msg, len, &handle) < 0) {
235 fprintf(file, ";; ns_initparse: %s\n", strerror(errno));
238 opcode = ns_msg_getflag(handle, ns_f_opcode);
239 rcode = ns_msg_getflag(handle, ns_f_rcode);
240 id = ns_msg_id(handle);
241 qdcount = ns_msg_count(handle, ns_s_qd);
242 ancount = ns_msg_count(handle, ns_s_an);
243 nscount = ns_msg_count(handle, ns_s_ns);
244 arcount = ns_msg_count(handle, ns_s_ar);
247 * Print header fields.
249 if ((!statp->pfcode) || (statp->pfcode & RES_PRF_HEADX) || rcode)
251 ";; ->>HEADER<<- opcode: %s, status: %s, id: %d\n",
252 _res_opcodes[opcode], p_rcode(rcode), id);
253 if ((!statp->pfcode) || (statp->pfcode & RES_PRF_HEADX))
255 if ((!statp->pfcode) || (statp->pfcode & RES_PRF_HEAD2)) {
256 fprintf(file, "; flags:");
257 if (ns_msg_getflag(handle, ns_f_qr))
258 fprintf(file, " qr");
259 if (ns_msg_getflag(handle, ns_f_aa))
260 fprintf(file, " aa");
261 if (ns_msg_getflag(handle, ns_f_tc))
262 fprintf(file, " tc");
263 if (ns_msg_getflag(handle, ns_f_rd))
264 fprintf(file, " rd");
265 if (ns_msg_getflag(handle, ns_f_ra))
266 fprintf(file, " ra");
267 if (ns_msg_getflag(handle, ns_f_z))
268 fprintf(file, " ??");
269 if (ns_msg_getflag(handle, ns_f_ad))
270 fprintf(file, " ad");
271 if (ns_msg_getflag(handle, ns_f_cd))
272 fprintf(file, " cd");
274 if ((!statp->pfcode) || (statp->pfcode & RES_PRF_HEAD1)) {
275 fprintf(file, "; %s: %d",
276 p_section(ns_s_qd, opcode), qdcount);
277 fprintf(file, ", %s: %d",
278 p_section(ns_s_an, opcode), ancount);
279 fprintf(file, ", %s: %d",
280 p_section(ns_s_ns, opcode), nscount);
281 fprintf(file, ", %s: %d",
282 p_section(ns_s_ar, opcode), arcount);
284 if ((!statp->pfcode) || (statp->pfcode &
285 (RES_PRF_HEADX | RES_PRF_HEAD2 | RES_PRF_HEAD1))) {
289 * Print the various sections.
291 do_section(statp, &handle, ns_s_qd, RES_PRF_QUES, file);
292 do_section(statp, &handle, ns_s_an, RES_PRF_ANS, file);
293 do_section(statp, &handle, ns_s_ns, RES_PRF_AUTH, file);
294 do_section(statp, &handle, ns_s_ar, RES_PRF_ADD, file);
295 if (qdcount == 0 && ancount == 0 &&
296 nscount == 0 && arcount == 0)
301 p_cdnname(const u_char *cp, const u_char *msg, int len, FILE *file) {
305 if ((n = dn_expand(msg, msg + len, cp, name, sizeof name)) < 0)
315 p_cdname(const u_char *cp, const u_char *msg, FILE *file) {
316 return (p_cdnname(cp, msg, PACKETSZ, file));
320 * Return a fully-qualified domain name from a compressed name (with
324 p_fqnname(cp, msg, msglen, name, namelen)
325 const u_char *cp, *msg;
332 if ((n = dn_expand(msg, cp + msglen, cp, name, namelen)) < 0)
334 newlen = strlen(name);
335 if (newlen == 0 || name[newlen - 1] != '.') {
336 if (newlen + 1 >= namelen) /*%< Lack space for final dot */
339 strcpy(name + newlen, ".");
344 /* XXX: the rest of these functions need to become length-limited, too. */
347 p_fqname(const u_char *cp, const u_char *msg, FILE *file) {
351 n = p_fqnname(cp, msg, MAXCDNAME, name, sizeof name);
359 * Names of RR classes and qclasses. Classes and qclasses are the same, except
360 * that C_ANY is a qclass but not a class. (You can ask for records of class
361 * C_ANY, but you can't have any records of that class in the database.)
363 const struct res_sym __p_class_syms[] = {
364 {C_IN, "IN", (char *)0},
365 {C_CHAOS, "CH", (char *)0},
366 {C_CHAOS, "CHAOS", (char *)0},
367 {C_HS, "HS", (char *)0},
368 {C_HS, "HESIOD", (char *)0},
369 {C_ANY, "ANY", (char *)0},
370 {C_NONE, "NONE", (char *)0},
371 {C_IN, (char *)0, (char *)0}
375 * Names of message sections.
377 static const struct res_sym __p_default_section_syms[] = {
378 {ns_s_qd, "QUERY", (char *)0},
379 {ns_s_an, "ANSWER", (char *)0},
380 {ns_s_ns, "AUTHORITY", (char *)0},
381 {ns_s_ar, "ADDITIONAL", (char *)0},
382 {0, (char *)0, (char *)0}
385 static const struct res_sym __p_update_section_syms[] = {
386 {S_ZONE, "ZONE", (char *)0},
387 {S_PREREQ, "PREREQUISITE", (char *)0},
388 {S_UPDATE, "UPDATE", (char *)0},
389 {S_ADDT, "ADDITIONAL", (char *)0},
390 {0, (char *)0, (char *)0}
393 const struct res_sym __p_key_syms[] = {
394 {NS_ALG_MD5RSA, "RSA", "RSA KEY with MD5 hash"},
395 {NS_ALG_DH, "DH", "Diffie Hellman"},
396 {NS_ALG_DSA, "DSA", "Digital Signature Algorithm"},
397 {NS_ALG_EXPIRE_ONLY, "EXPIREONLY", "No algorithm"},
398 {NS_ALG_PRIVATE_OID, "PRIVATE", "Algorithm obtained from OID"},
402 const struct res_sym __p_cert_syms[] = {
403 {cert_t_pkix, "PKIX", "PKIX (X.509v3) Certificate"},
404 {cert_t_spki, "SPKI", "SPKI certificate"},
405 {cert_t_pgp, "PGP", "PGP certificate"},
406 {cert_t_url, "URL", "URL Private"},
407 {cert_t_oid, "OID", "OID Private"},
412 * Names of RR types and qtypes. Types and qtypes are the same, except
413 * that T_ANY is a qtype but not a type. (You can ask for records of type
414 * T_ANY, but you can't have any records of that type in the database.)
416 const struct res_sym __p_type_syms[] = {
417 {ns_t_a, "A", "address"},
418 {ns_t_ns, "NS", "name server"},
419 {ns_t_md, "MD", "mail destination (deprecated)"},
420 {ns_t_mf, "MF", "mail forwarder (deprecated)"},
421 {ns_t_cname, "CNAME", "canonical name"},
422 {ns_t_soa, "SOA", "start of authority"},
423 {ns_t_mb, "MB", "mailbox"},
424 {ns_t_mg, "MG", "mail group member"},
425 {ns_t_mr, "MR", "mail rename"},
426 {ns_t_null, "NULL", "null"},
427 {ns_t_wks, "WKS", "well-known service (deprecated)"},
428 {ns_t_ptr, "PTR", "domain name pointer"},
429 {ns_t_hinfo, "HINFO", "host information"},
430 {ns_t_minfo, "MINFO", "mailbox information"},
431 {ns_t_mx, "MX", "mail exchanger"},
432 {ns_t_txt, "TXT", "text"},
433 {ns_t_rp, "RP", "responsible person"},
434 {ns_t_afsdb, "AFSDB", "DCE or AFS server"},
435 {ns_t_x25, "X25", "X25 address"},
436 {ns_t_isdn, "ISDN", "ISDN address"},
437 {ns_t_rt, "RT", "router"},
438 {ns_t_nsap, "NSAP", "nsap address"},
439 {ns_t_nsap_ptr, "NSAP_PTR", "domain name pointer"},
440 {ns_t_sig, "SIG", "signature"},
441 {ns_t_key, "KEY", "key"},
442 {ns_t_px, "PX", "mapping information"},
443 {ns_t_gpos, "GPOS", "geographical position (withdrawn)"},
444 {ns_t_aaaa, "AAAA", "IPv6 address"},
445 {ns_t_loc, "LOC", "location"},
446 {ns_t_nxt, "NXT", "next valid name (unimplemented)"},
447 {ns_t_eid, "EID", "endpoint identifier (unimplemented)"},
448 {ns_t_nimloc, "NIMLOC", "NIMROD locator (unimplemented)"},
449 {ns_t_srv, "SRV", "server selection"},
450 {ns_t_atma, "ATMA", "ATM address (unimplemented)"},
451 {ns_t_tkey, "TKEY", "tkey"},
452 {ns_t_tsig, "TSIG", "transaction signature"},
453 {ns_t_ixfr, "IXFR", "incremental zone transfer"},
454 {ns_t_axfr, "AXFR", "zone transfer"},
455 {ns_t_zxfr, "ZXFR", "compressed zone transfer"},
456 {ns_t_mailb, "MAILB", "mailbox-related data (deprecated)"},
457 {ns_t_maila, "MAILA", "mail agent (deprecated)"},
458 {ns_t_naptr, "NAPTR", "URN Naming Authority"},
459 {ns_t_kx, "KX", "Key Exchange"},
460 {ns_t_cert, "CERT", "Certificate"},
461 {ns_t_a6, "A6", "IPv6 Address"},
462 {ns_t_dname, "DNAME", "dname"},
463 {ns_t_sink, "SINK", "Kitchen Sink (experimental)"},
464 {ns_t_opt, "OPT", "EDNS Options"},
465 {ns_t_any, "ANY", "\"any\""},
470 * Names of DNS rcodes.
472 const struct res_sym __p_rcode_syms[] = {
473 {ns_r_noerror, "NOERROR", "no error"},
474 {ns_r_formerr, "FORMERR", "format error"},
475 {ns_r_servfail, "SERVFAIL", "server failed"},
476 {ns_r_nxdomain, "NXDOMAIN", "no such domain name"},
477 {ns_r_notimpl, "NOTIMP", "not implemented"},
478 {ns_r_refused, "REFUSED", "refused"},
479 {ns_r_yxdomain, "YXDOMAIN", "domain name exists"},
480 {ns_r_yxrrset, "YXRRSET", "rrset exists"},
481 {ns_r_nxrrset, "NXRRSET", "rrset doesn't exist"},
482 {ns_r_notauth, "NOTAUTH", "not authoritative"},
483 {ns_r_notzone, "NOTZONE", "Not in zone"},
485 {ns_r_badsig, "BADSIG", "bad signature"},
486 {ns_r_badkey, "BADKEY", "bad key"},
487 {ns_r_badtime, "BADTIME", "bad time"},
492 sym_ston(const struct res_sym *syms, const char *name, int *success) {
493 for ((void)NULL; syms->name != 0; syms++) {
494 if (strcasecmp (name, syms->name) == 0) {
497 return (syms->number);
502 return (syms->number); /*%< The default value. */
506 sym_ntos(const struct res_sym *syms, int number, int *success) {
507 char *unname = sym_ntos_unname;
509 for ((void)NULL; syms->name != 0; syms++) {
510 if (number == syms->number) {
517 sprintf(unname, "%d", number); /*%< XXX nonreentrant */
524 sym_ntop(const struct res_sym *syms, int number, int *success) {
525 char *unname = sym_ntop_unname;
527 for ((void)NULL; syms->name != 0; syms++) {
528 if (number == syms->number) {
531 return (syms->humanname);
534 sprintf(unname, "%d", number); /*%< XXX nonreentrant */
541 * Return a string for the type.
547 static char typebuf[20];
549 result = sym_ntos(__p_type_syms, type, &success);
552 if (type < 0 || type > 0xffff)
554 sprintf(typebuf, "TYPE%d", type);
559 * Return a string for the type.
562 p_section(int section, int opcode) {
563 const struct res_sym *symbols;
567 symbols = __p_update_section_syms;
570 symbols = __p_default_section_syms;
573 return (sym_ntos(symbols, section, (int *)0));
577 * Return a mnemonic for class.
583 static char classbuf[20];
585 result = sym_ntos(__p_class_syms, class, &success);
588 if (class < 0 || class > 0xffff)
590 sprintf(classbuf, "CLASS%d", class);
595 * Return a mnemonic for an option
598 p_option(u_long option) {
599 char *nbuf = p_option_nbuf;
602 case RES_INIT: return "init";
603 case RES_DEBUG: return "debug";
604 case RES_AAONLY: return "aaonly(unimpl)";
605 case RES_USEVC: return "usevc";
606 case RES_PRIMARY: return "primry(unimpl)";
607 case RES_IGNTC: return "igntc";
608 case RES_RECURSE: return "recurs";
609 case RES_DEFNAMES: return "defnam";
610 case RES_STAYOPEN: return "styopn";
611 case RES_DNSRCH: return "dnsrch";
612 case RES_INSECURE1: return "insecure1";
613 case RES_INSECURE2: return "insecure2";
614 case RES_NOALIASES: return "noaliases";
615 case RES_USE_INET6: return "inet6";
616 #ifdef RES_USE_EDNS0 /*%< KAME extension */
617 case RES_USE_EDNS0: return "edns0";
620 case RES_USE_DNAME: return "dname";
622 #ifdef RES_USE_DNSSEC
623 case RES_USE_DNSSEC: return "dnssec";
625 #ifdef RES_NOTLDQUERY
626 case RES_NOTLDQUERY: return "no-tld-query";
628 #ifdef RES_NO_NIBBLE2
629 case RES_NO_NIBBLE2: return "no-nibble2";
631 /* XXX nonreentrant */
632 default: sprintf(nbuf, "?0x%lx?", (u_long)option);
638 * Return a mnemonic for a time to live.
641 p_time(u_int32_t value) {
642 char *nbuf = p_time_nbuf;
644 if (ns_format_ttl(value, nbuf, sizeof nbuf) < 0)
645 sprintf(nbuf, "%u", value);
650 * Return a string for the rcode.
654 return (sym_ntos(__p_rcode_syms, rcode, (int *)0));
658 * Return a string for a res_sockaddr_union.
661 p_sockun(union res_sockaddr_union u, char *buf, size_t size) {
662 char ret[sizeof "ffff:ffff:ffff:ffff:ffff:ffff:123.123.123.123"];
664 switch (u.sin.sin_family) {
666 inet_ntop(AF_INET, &u.sin.sin_addr, ret, sizeof ret);
668 #ifdef HAS_INET6_STRUCTS
670 inet_ntop(AF_INET6, &u.sin6.sin6_addr, ret, sizeof ret);
674 sprintf(ret, "[af%d]", u.sin.sin_family);
678 strncpy(buf, ret, size - 1);
685 * routines to convert between on-the-wire RR format and zone file format.
686 * Does not contain conversion to/from decimal degrees; divide or multiply
687 * by 60*60*1000 for that.
690 static unsigned int poweroften[10] = {1, 10, 100, 1000, 10000, 100000,
691 1000000,10000000,100000000,1000000000};
693 /*% takes an XeY precision/size value, returns a string representation. */
698 char *retbuf = precsize_ntoa_retbuf;
700 int mantissa, exponent;
702 mantissa = (int)((prec >> 4) & 0x0f) % 10;
703 exponent = (int)((prec >> 0) & 0x0f) % 10;
705 val = mantissa * poweroften[exponent];
707 (void) sprintf(retbuf, "%lu.%.2lu", val/100, val%100);
711 /*% converts ascii size/precision X * 10**Y(cm) to 0xXY. moves pointer. */
713 precsize_aton(const char **strptr) {
714 unsigned int mval = 0, cmval = 0;
722 while (isdigit((unsigned char)*cp))
723 mval = mval * 10 + (*cp++ - '0');
725 if (*cp == '.') { /*%< centimeters */
727 if (isdigit((unsigned char)*cp)) {
728 cmval = (*cp++ - '0') * 10;
729 if (isdigit((unsigned char)*cp)) {
730 cmval += (*cp++ - '0');
734 cmval = (mval * 100) + cmval;
736 for (exponent = 0; exponent < 9; exponent++)
737 if (cmval < poweroften[exponent+1])
740 mantissa = cmval / poweroften[exponent];
744 retval = (mantissa << 4) | exponent;
751 /*% converts ascii lat/lon to unsigned encoded 32-bit number. moves pointer. */
753 latlon2ul(const char **latlonstrptr, int *which) {
756 int deg = 0, min = 0, secs = 0, secsfrac = 0;
760 while (isdigit((unsigned char)*cp))
761 deg = deg * 10 + (*cp++ - '0');
763 while (isspace((unsigned char)*cp))
766 if (!(isdigit((unsigned char)*cp)))
769 while (isdigit((unsigned char)*cp))
770 min = min * 10 + (*cp++ - '0');
772 while (isspace((unsigned char)*cp))
775 if (!(isdigit((unsigned char)*cp)))
778 while (isdigit((unsigned char)*cp))
779 secs = secs * 10 + (*cp++ - '0');
781 if (*cp == '.') { /*%< decimal seconds */
783 if (isdigit((unsigned char)*cp)) {
784 secsfrac = (*cp++ - '0') * 100;
785 if (isdigit((unsigned char)*cp)) {
786 secsfrac += (*cp++ - '0') * 10;
787 if (isdigit((unsigned char)*cp)) {
788 secsfrac += (*cp++ - '0');
794 while (!isspace((unsigned char)*cp)) /*%< if any trailing garbage */
797 while (isspace((unsigned char)*cp))
804 retval = ((unsigned)1<<31)
805 + (((((deg * 60) + min) * 60) + secs) * 1000)
810 retval = ((unsigned)1<<31)
811 - (((((deg * 60) + min) * 60) + secs) * 1000)
815 retval = 0; /*%< invalid value -- indicates error */
822 *which = 1; /*%< latitude */
826 *which = 2; /*%< longitude */
829 *which = 0; /*%< error */
833 cp++; /*%< skip the hemisphere */
834 while (!isspace((unsigned char)*cp)) /*%< if any trailing garbage */
837 while (isspace((unsigned char)*cp)) /*%< move to next field */
846 * converts a zone file representation in a string to an RDATA on-the-wire
849 loc_aton(ascii, binary)
853 const char *cp, *maxcp;
856 u_int32_t latit = 0, longit = 0, alt = 0;
857 u_int32_t lltemp1 = 0, lltemp2 = 0;
858 int altmeters = 0, altfrac = 0, altsign = 1;
859 u_int8_t hp = 0x16; /*%< default = 1e6 cm = 10000.00m = 10km */
860 u_int8_t vp = 0x13; /*%< default = 1e3 cm = 10.00m */
861 u_int8_t siz = 0x12; /*%< default = 1e2 cm = 1.00m */
862 int which1 = 0, which2 = 0;
865 maxcp = cp + strlen(ascii);
867 lltemp1 = latlon2ul(&cp, &which1);
869 lltemp2 = latlon2ul(&cp, &which2);
871 switch (which1 + which2) {
872 case 3: /*%< 1 + 2, the only valid combination */
873 if ((which1 == 1) && (which2 == 2)) { /*%< normal case */
876 } else if ((which1 == 2) && (which2 == 1)) { /*%< reversed */
879 } else { /*%< some kind of brokenness */
883 default: /*%< we didn't get one of each */
896 while (isdigit((unsigned char)*cp))
897 altmeters = altmeters * 10 + (*cp++ - '0');
899 if (*cp == '.') { /*%< decimal meters */
901 if (isdigit((unsigned char)*cp)) {
902 altfrac = (*cp++ - '0') * 10;
903 if (isdigit((unsigned char)*cp)) {
904 altfrac += (*cp++ - '0');
909 alt = (10000000 + (altsign * (altmeters * 100 + altfrac)));
911 while (!isspace((unsigned char)*cp) && (cp < maxcp)) /*%< if trailing garbage or m */
914 while (isspace((unsigned char)*cp) && (cp < maxcp))
920 siz = precsize_aton(&cp);
922 while (!isspace((unsigned char)*cp) && (cp < maxcp)) /*%< if trailing garbage or m */
925 while (isspace((unsigned char)*cp) && (cp < maxcp))
931 hp = precsize_aton(&cp);
933 while (!isspace((unsigned char)*cp) && (cp < maxcp)) /*%< if trailing garbage or m */
936 while (isspace((unsigned char)*cp) && (cp < maxcp))
942 vp = precsize_aton(&cp);
947 *bcp++ = (u_int8_t) 0; /*%< version byte */
955 return (16); /*%< size of RR in octets */
958 /*% takes an on-the-wire LOC RR and formats it in a human readable format. */
960 loc_ntoa(binary, ascii)
961 const u_char *binary;
964 static const char *error = "?";
965 static char tmpbuf[sizeof
966 "1000 60 60.000 N 1000 60 60.000 W -12345678.00m 90000000.00m 90000000.00m 90000000.00m"];
967 const u_char *cp = binary;
969 int latdeg, latmin, latsec, latsecfrac;
970 int longdeg, longmin, longsec, longsecfrac;
971 char northsouth, eastwest;
973 int altmeters, altfrac;
975 const u_int32_t referencealt = 100000 * 100;
977 int32_t latval, longval, altval;
979 u_int8_t sizeval, hpval, vpval, versionval;
981 char *sizestr, *hpstr, *vpstr;
989 (void) sprintf(ascii, "; error: unknown LOC RR version");
999 latval = (templ - ((unsigned)1<<31));
1002 longval = (templ - ((unsigned)1<<31));
1005 if (templ < referencealt) { /*%< below WGS 84 spheroid */
1006 altval = referencealt - templ;
1009 altval = templ - referencealt;
1019 latsecfrac = latval % 1000;
1020 latval = latval / 1000;
1021 latsec = latval % 60;
1022 latval = latval / 60;
1023 latmin = latval % 60;
1024 latval = latval / 60;
1033 longsecfrac = longval % 1000;
1034 longval = longval / 1000;
1035 longsec = longval % 60;
1036 longval = longval / 60;
1037 longmin = longval % 60;
1038 longval = longval / 60;
1041 altfrac = altval % 100;
1042 altmeters = (altval / 100);
1044 sizestr = strdup(precsize_ntoa(sizeval));
1045 hpstr = strdup(precsize_ntoa(hpval));
1046 vpstr = strdup(precsize_ntoa(vpval));
1049 "%d %.2d %.2d.%.3d %c %d %.2d %.2d.%.3d %c %s%d.%.2dm %sm %sm %sm",
1050 latdeg, latmin, latsec, latsecfrac, northsouth,
1051 longdeg, longmin, longsec, longsecfrac, eastwest,
1052 altsign, altmeters, altfrac,
1053 (sizestr != NULL) ? sizestr : error,
1054 (hpstr != NULL) ? hpstr : error,
1055 (vpstr != NULL) ? vpstr : error);
1057 if (sizestr != NULL)
1068 /*% Return the number of DNS hierarchy levels in the name. */
1070 dn_count_labels(const char *name) {
1074 for (i = 0, count = 0; i < len; i++) {
1075 /* XXX need to check for \. or use named's nlabels(). */
1080 /* don't count initial wildcard */
1085 /* don't count the null label for root. */
1086 /* if terminating '.' not found, must adjust */
1087 /* count to include last label */
1088 if (len > 0 && name[len-1] != '.')
1094 * Make dates expressed in seconds-since-Jan-1-1970 easy to read.
1095 * SIG records are required to be printed like this, by the Secure DNS RFC.
1098 p_secstodate (u_long secs) {
1099 char *output = p_secstodate_output;
1100 time_t clock = secs;
1105 time = gmtime_r(&clock, &res);
1107 time = gmtime(&clock);
1109 time->tm_year += 1900;
1111 sprintf(output, "%04d%02d%02d%02d%02d%02d",
1112 time->tm_year, time->tm_mon, time->tm_mday,
1113 time->tm_hour, time->tm_min, time->tm_sec);
1118 res_nametoclass(const char *buf, int *successp) {
1119 unsigned long result;
1123 result = sym_ston(__p_class_syms, buf, &success);
1127 if (strncasecmp(buf, "CLASS", 5) != 0 ||
1128 !isdigit((unsigned char)buf[5]))
1131 result = strtoul(buf + 5, &endptr, 10);
1132 if (errno == 0 && *endptr == '\0' && result <= 0xffffU)
1136 *successp = success;
1141 res_nametotype(const char *buf, int *successp) {
1142 unsigned long result;
1146 result = sym_ston(__p_type_syms, buf, &success);
1150 if (strncasecmp(buf, "type", 4) != 0 ||
1151 !isdigit((unsigned char)buf[4]))
1154 result = strtoul(buf + 4, &endptr, 10);
1155 if (errno == 0 && *endptr == '\0' && result <= 0xffffU)
1159 *successp = success;
1164 * Weak aliases for applications that use certain private entry points,
1165 * and fail to include <resolv.h>.
1168 __weak_reference(__fp_resstat, fp_resstat);
1170 __weak_reference(__p_fqnname, p_fqnname);
1172 __weak_reference(__sym_ston, sym_ston);
1174 __weak_reference(__sym_ntos, sym_ntos);
1176 __weak_reference(__sym_ntop, sym_ntop);
1177 #undef dn_count_labels
1178 __weak_reference(__dn_count_labels, dn_count_labels);
1180 __weak_reference(__p_secstodate, p_secstodate);