3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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
35 * copyright notice and this permission notice appear in all copies, and that
36 * the name of Digital Equipment Corporation not be used in advertising or
37 * publicity pertaining to distribution of the document or software without
38 * specific, written prior permission.
40 * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
41 * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
42 * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT
43 * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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
57 * not be used in connection with the marketing of any product incorporating
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.
67 * THE SOFTWARE IS PROVIDED "AS IS", AND IBM DISCLAIMS ALL WARRANTIES,
68 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
69 * PARTICULAR PURPOSE. IN NO EVENT SHALL IBM BE LIABLE FOR ANY SPECIAL,
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 * Portions Copyright (c) 1996-1999 by Internet Software Consortium.
78 * Permission to use, copy, modify, and distribute this software for any
79 * purpose with or without fee is hereby granted, provided that the above
80 * copyright notice and this permission notice appear in all copies.
82 * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
83 * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
84 * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
85 * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
86 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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88 * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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
[] = "$BINDId: res_debug.c,v 8.34 2000/02/29 05:30:55 vixie Exp $";
95 #endif /* LIBC_SCCS and not lint */
97 #include <sys/types.h>
98 #include <sys/param.h>
99 #include <sys/socket.h>
101 #include <netinet/in.h>
102 #include <arpa/inet.h>
103 #include <arpa/nameser.h>
116 # define SPRINTF(x) strlen(sprintf/**/x)
118 # define SPRINTF(x) sprintf x
121 extern const char *_res_opcodes
[];
122 extern const char *_res_sectioncodes
[];
125 * Print the current options.
128 fp_resstat(const res_state statp
, FILE *file
) {
131 fprintf(file
, ";; res options:");
132 for (mask
= 1; mask
!= 0; mask
<<= 1)
133 if (statp
->options
& mask
)
134 fprintf(file
, " %s", p_option(mask
));
139 do_section(const res_state statp
,
140 ns_msg
*handle
, ns_sect section
,
141 int pflag
, FILE *file
)
144 static int buflen
= 2048;
150 * Print answer records.
152 sflag
= (statp
->pfcode
& pflag
);
153 if (statp
->pfcode
&& !sflag
)
156 buf
= malloc(buflen
);
158 fprintf(file
, ";; memory allocation failure\n");
162 opcode
= (ns_opcode
) ns_msg_getflag(*handle
, ns_f_opcode
);
165 if (ns_parserr(handle
, section
, rrnum
, &rr
)) {
167 fprintf(file
, ";; ns_parserr: %s\n",
169 else if (rrnum
> 0 && sflag
!= 0 &&
170 (statp
->pfcode
& RES_PRF_HEAD1
))
174 if (rrnum
== 0 && sflag
!= 0 && (statp
->pfcode
& RES_PRF_HEAD1
))
175 fprintf(file
, ";; %s SECTION:\n",
176 p_section(section
, opcode
));
177 if (section
== ns_s_qd
)
178 fprintf(file
, ";;\t%s, type = %s, class = %s\n",
180 p_type(ns_rr_type(rr
)),
181 p_class(ns_rr_class(rr
)));
183 n
= ns_sprintrr(handle
, &rr
, NULL
, NULL
,
186 if (errno
== ENOSPC
) {
190 buf
= malloc(buflen
+= 1024);
193 ";; memory allocation failure\n");
198 fprintf(file
, ";; ns_sprintrr: %s\n",
213 * Print the contents of a query.
214 * This is intended to be primarily a debugging routine.
217 res_pquery(const res_state statp
, const u_char
*msg
, int len
, FILE *file
) {
219 int qdcount
, ancount
, nscount
, arcount
;
220 u_int opcode
, rcode
, id
;
222 if (ns_initparse(msg
, len
, &handle
) < 0) {
223 fprintf(file
, ";; ns_initparse: %s\n", strerror(errno
));
226 opcode
= ns_msg_getflag(handle
, ns_f_opcode
);
227 rcode
= ns_msg_getflag(handle
, ns_f_rcode
);
228 id
= ns_msg_id(handle
);
229 qdcount
= ns_msg_count(handle
, ns_s_qd
);
230 ancount
= ns_msg_count(handle
, ns_s_an
);
231 nscount
= ns_msg_count(handle
, ns_s_ns
);
232 arcount
= ns_msg_count(handle
, ns_s_ar
);
235 * Print header fields.
237 if ((!statp
->pfcode
) || (statp
->pfcode
& RES_PRF_HEADX
) || rcode
)
239 ";; ->>HEADER<<- opcode: %s, status: %s, id: %d\n",
240 _res_opcodes
[opcode
], p_rcode(rcode
), id
);
241 if ((!statp
->pfcode
) || (statp
->pfcode
& RES_PRF_HEADX
))
243 if ((!statp
->pfcode
) || (statp
->pfcode
& RES_PRF_HEAD2
)) {
244 fprintf(file
, "; flags:");
245 if (ns_msg_getflag(handle
, ns_f_qr
))
246 fprintf(file
, " qr");
247 if (ns_msg_getflag(handle
, ns_f_aa
))
248 fprintf(file
, " aa");
249 if (ns_msg_getflag(handle
, ns_f_tc
))
250 fprintf(file
, " tc");
251 if (ns_msg_getflag(handle
, ns_f_rd
))
252 fprintf(file
, " rd");
253 if (ns_msg_getflag(handle
, ns_f_ra
))
254 fprintf(file
, " ra");
255 if (ns_msg_getflag(handle
, ns_f_z
))
256 fprintf(file
, " ??");
257 if (ns_msg_getflag(handle
, ns_f_ad
))
258 fprintf(file
, " ad");
259 if (ns_msg_getflag(handle
, ns_f_cd
))
260 fprintf(file
, " cd");
262 if ((!statp
->pfcode
) || (statp
->pfcode
& RES_PRF_HEAD1
)) {
263 fprintf(file
, "; %s: %d",
264 p_section(ns_s_qd
, opcode
), qdcount
);
265 fprintf(file
, ", %s: %d",
266 p_section(ns_s_an
, opcode
), ancount
);
267 fprintf(file
, ", %s: %d",
268 p_section(ns_s_ns
, opcode
), nscount
);
269 fprintf(file
, ", %s: %d",
270 p_section(ns_s_ar
, opcode
), arcount
);
272 if ((!statp
->pfcode
) || (statp
->pfcode
&
273 (RES_PRF_HEADX
| RES_PRF_HEAD2
| RES_PRF_HEAD1
))) {
277 * Print the various sections.
279 do_section(statp
, &handle
, ns_s_qd
, RES_PRF_QUES
, file
);
280 do_section(statp
, &handle
, ns_s_an
, RES_PRF_ANS
, file
);
281 do_section(statp
, &handle
, ns_s_ns
, RES_PRF_AUTH
, file
);
282 do_section(statp
, &handle
, ns_s_ar
, RES_PRF_ADD
, file
);
283 if (qdcount
== 0 && ancount
== 0 &&
284 nscount
== 0 && arcount
== 0)
289 p_cdnname(const u_char
*cp
, const u_char
*msg
, int len
, FILE *file
) {
293 if ((n
= dn_expand(msg
, msg
+ len
, cp
, name
, sizeof name
)) < 0)
303 p_cdname(const u_char
*cp
, const u_char
*msg
, FILE *file
) {
304 return (p_cdnname(cp
, msg
, PACKETSZ
, file
));
307 /* Return a fully-qualified domain name from a compressed name (with
311 p_fqnname(cp
, msg
, msglen
, name
, namelen
)
312 const u_char
*cp
, *msg
;
319 if ((n
= dn_expand(msg
, cp
+ msglen
, cp
, name
, namelen
)) < 0)
321 newlen
= strlen(name
);
322 if (newlen
== 0 || name
[newlen
- 1] != '.') {
323 if (newlen
+ 1 >= namelen
) /* Lack space for final dot */
326 strcpy(name
+ newlen
, ".");
331 /* XXX: the rest of these functions need to become length-limited, too. */
334 p_fqname(const u_char
*cp
, const u_char
*msg
, FILE *file
) {
338 n
= p_fqnname(cp
, msg
, MAXCDNAME
, name
, sizeof name
);
346 * Names of RR classes and qclasses. Classes and qclasses are the same, except
347 * that C_ANY is a qclass but not a class. (You can ask for records of class
348 * C_ANY, but you can't have any records of that class in the database.)
350 const struct res_sym __p_class_syms
[] = {
361 * Names of message sections.
363 const struct res_sym __p_default_section_syms
[] = {
366 {ns_s_ns
, "AUTHORITY"},
367 {ns_s_ar
, "ADDITIONAL"},
371 const struct res_sym __p_update_section_syms
[] = {
373 {S_PREREQ
, "PREREQUISITE"},
374 {S_UPDATE
, "UPDATE"},
375 {S_ADDT
, "ADDITIONAL"},
379 const struct res_sym __p_key_syms
[] = {
380 {NS_ALG_MD5RSA
, "RSA", "RSA KEY with MD5 hash"},
381 {NS_ALG_DH
, "DH", "Diffie Hellman"},
382 {NS_ALG_DSA
, "DSA", "Digital Signature Algorithm"},
383 {NS_ALG_EXPIRE_ONLY
, "EXPIREONLY", "No algorithm"},
384 {NS_ALG_PRIVATE_OID
, "PRIVATE", "Algorithm obtained from OID"},
388 const struct res_sym __p_cert_syms
[] = {
389 {cert_t_pkix
, "PKIX", "PKIX (X.509v3) Certificate"},
390 {cert_t_spki
, "SPKI", "SPKI certificate"},
391 {cert_t_pgp
, "PGP", "PGP certificate"},
392 {cert_t_url
, "URL", "URL Private"},
393 {cert_t_oid
, "OID", "OID Private"},
398 * Names of RR types and qtypes. Types and qtypes are the same, except
399 * that T_ANY is a qtype but not a type. (You can ask for records of type
400 * T_ANY, but you can't have any records of that type in the database.)
402 const struct res_sym __p_type_syms
[] = {
403 {ns_t_a
, "A", "address"},
404 {ns_t_ns
, "NS", "name server"},
405 {ns_t_md
, "MD", "mail destination (deprecated)"},
406 {ns_t_mf
, "MF", "mail forwarder (deprecated)"},
407 {ns_t_cname
, "CNAME", "canonical name"},
408 {ns_t_soa
, "SOA", "start of authority"},
409 {ns_t_mb
, "MB", "mailbox"},
410 {ns_t_mg
, "MG", "mail group member"},
411 {ns_t_mr
, "MR", "mail rename"},
412 {ns_t_null
, "NULL", "null"},
413 {ns_t_wks
, "WKS", "well-known service (deprecated)"},
414 {ns_t_ptr
, "PTR", "domain name pointer"},
415 {ns_t_hinfo
, "HINFO", "host information"},
416 {ns_t_minfo
, "MINFO", "mailbox information"},
417 {ns_t_mx
, "MX", "mail exchanger"},
418 {ns_t_txt
, "TXT", "text"},
419 {ns_t_rp
, "RP", "responsible person"},
420 {ns_t_afsdb
, "AFSDB", "DCE or AFS server"},
421 {ns_t_x25
, "X25", "X25 address"},
422 {ns_t_isdn
, "ISDN", "ISDN address"},
423 {ns_t_rt
, "RT", "router"},
424 {ns_t_nsap
, "NSAP", "nsap address"},
425 {ns_t_nsap_ptr
, "NSAP_PTR", "domain name pointer"},
426 {ns_t_sig
, "SIG", "signature"},
427 {ns_t_key
, "KEY", "key"},
428 {ns_t_px
, "PX", "mapping information"},
429 {ns_t_gpos
, "GPOS", "geographical position (withdrawn)"},
430 {ns_t_aaaa
, "AAAA", "IPv6 address"},
431 {ns_t_loc
, "LOC", "location"},
432 {ns_t_nxt
, "NXT", "next valid name (unimplemented)"},
433 {ns_t_eid
, "EID", "endpoint identifier (unimplemented)"},
434 {ns_t_nimloc
, "NIMLOC", "NIMROD locator (unimplemented)"},
435 {ns_t_srv
, "SRV", "server selection"},
436 {ns_t_atma
, "ATMA", "ATM address (unimplemented)"},
437 {ns_t_tsig
, "TSIG", "transaction signature"},
438 {ns_t_ixfr
, "IXFR", "incremental zone transfer"},
439 {ns_t_axfr
, "AXFR", "zone transfer"},
440 {ns_t_zxfr
, "ZXFR", "compressed zone transfer"},
441 {ns_t_mailb
, "MAILB", "mailbox-related data (deprecated)"},
442 {ns_t_maila
, "MAILA", "mail agent (deprecated)"},
443 {ns_t_naptr
, "NAPTR", "URN Naming Authority"},
444 {ns_t_kx
, "KX", "Key Exchange"},
445 {ns_t_cert
, "CERT", "Certificate"},
446 {ns_t_any
, "ANY", "\"any\""},
451 * Names of DNS rcodes.
453 const struct res_sym __p_rcode_syms
[] = {
454 {ns_r_noerror
, "NOERROR", "no error"},
455 {ns_r_formerr
, "FORMERR", "format error"},
456 {ns_r_servfail
, "SERVFAIL", "server failed"},
457 {ns_r_nxdomain
, "NXDOMAIN", "no such domain name"},
458 {ns_r_notimpl
, "NOTIMP", "not implemented"},
459 {ns_r_refused
, "REFUSED", "refused"},
460 {ns_r_yxdomain
, "YXDOMAIN", "domain name exists"},
461 {ns_r_yxrrset
, "YXRRSET", "rrset exists"},
462 {ns_r_nxrrset
, "NXRRSET", "rrset doesn't exist"},
463 {ns_r_notauth
, "NOTAUTH", "not authoritative"},
464 {ns_r_notzone
, "NOTZONE", "Not in zone"},
466 {ns_r_badsig
, "BADSIG", "bad signature"},
467 {ns_r_badkey
, "BADKEY", "bad key"},
468 {ns_r_badtime
, "BADTIME", "bad time"},
473 sym_ston(const struct res_sym
*syms
, const char *name
, int *success
) {
474 for ((void)NULL
; syms
->name
!= 0; syms
++) {
475 if (strcasecmp (name
, syms
->name
) == 0) {
478 return (syms
->number
);
483 return (syms
->number
); /* The default value. */
487 sym_ntos(const struct res_sym
*syms
, int number
, int *success
) {
488 static char unname
[20];
490 for ((void)NULL
; syms
->name
!= 0; syms
++) {
491 if (number
== syms
->number
) {
498 sprintf(unname
, "%d", number
); /* XXX nonreentrant */
505 sym_ntop(const struct res_sym
*syms
, int number
, int *success
) {
506 static char unname
[20];
508 for ((void)NULL
; syms
->name
!= 0; syms
++) {
509 if (number
== syms
->number
) {
512 return (syms
->humanname
);
515 sprintf(unname
, "%d", number
); /* XXX nonreentrant */
522 * Return a string for the type.
526 return (sym_ntos(__p_type_syms
, type
, (int *)0));
530 * Return a string for the type.
533 p_section(int section
, int opcode
) {
534 const struct res_sym
*symbols
;
538 symbols
= __p_update_section_syms
;
541 symbols
= __p_default_section_syms
;
544 return (sym_ntos(symbols
, section
, (int *)0));
548 * Return a mnemonic for class.
552 return (sym_ntos(__p_class_syms
, class, (int *)0));
556 * Return a mnemonic for an option
559 p_option(u_long option
) {
560 static char nbuf
[40];
563 case RES_INIT
: return "init";
564 case RES_DEBUG
: return "debug";
565 case RES_AAONLY
: return "aaonly(unimpl)";
566 case RES_USEVC
: return "usevc";
567 case RES_PRIMARY
: return "primry(unimpl)";
568 case RES_IGNTC
: return "igntc";
569 case RES_RECURSE
: return "recurs";
570 case RES_DEFNAMES
: return "defnam";
571 case RES_STAYOPEN
: return "styopn";
572 case RES_DNSRCH
: return "dnsrch";
573 case RES_INSECURE1
: return "insecure1";
574 case RES_INSECURE2
: return "insecure2";
575 /* XXX nonreentrant */
576 default: sprintf(nbuf
, "?0x%lx?", (u_long
)option
);
582 * Return a mnemonic for a time to live.
585 p_time(u_int32_t value
) {
586 static char nbuf
[40]; /* XXX nonreentrant */
588 if (ns_format_ttl(value
, nbuf
, sizeof nbuf
) < 0)
589 sprintf(nbuf
, "%u", value
);
594 * Return a string for the rcode.
598 return (sym_ntos(__p_rcode_syms
, rcode
, (int *)0));
602 * routines to convert between on-the-wire RR format and zone file format.
603 * Does not contain conversion to/from decimal degrees; divide or multiply
604 * by 60*60*1000 for that.
607 static unsigned int poweroften
[10] = {1, 10, 100, 1000, 10000, 100000,
608 1000000,10000000,100000000,1000000000};
610 /* takes an XeY precision/size value, returns a string representation. */
615 static char retbuf
[sizeof "90000000.00"]; /* XXX nonreentrant */
617 int mantissa
, exponent
;
619 mantissa
= (int)((prec
>> 4) & 0x0f) % 10;
620 exponent
= (int)((prec
>> 0) & 0x0f) % 10;
622 val
= mantissa
* poweroften
[exponent
];
624 (void) sprintf(retbuf
, "%ld.%.2ld", val
/100, val
%100);
628 /* converts ascii size/precision X * 10**Y(cm) to 0xXY. moves pointer. */
630 precsize_aton(strptr
)
633 unsigned int mval
= 0, cmval
= 0;
642 mval
= mval
* 10 + (*cp
++ - '0');
644 if (*cp
== '.') { /* centimeters */
647 cmval
= (*cp
++ - '0') * 10;
649 cmval
+= (*cp
++ - '0');
653 cmval
= (mval
* 100) + cmval
;
655 for (exponent
= 0; exponent
< 9; exponent
++)
656 if (cmval
< poweroften
[exponent
+1])
659 mantissa
= cmval
/ poweroften
[exponent
];
663 retval
= (mantissa
<< 4) | exponent
;
670 /* converts ascii lat/lon to unsigned encoded 32-bit number. moves pointer. */
672 latlon2ul(latlonstrptr
,which
)
673 const char **latlonstrptr
;
678 int deg
= 0, min
= 0, secs
= 0, secsfrac
= 0;
683 deg
= deg
* 10 + (*cp
++ - '0');
692 min
= min
* 10 + (*cp
++ - '0');
701 secs
= secs
* 10 + (*cp
++ - '0');
703 if (*cp
== '.') { /* decimal seconds */
706 secsfrac
= (*cp
++ - '0') * 100;
708 secsfrac
+= (*cp
++ - '0') * 10;
710 secsfrac
+= (*cp
++ - '0');
716 while (!isspace(*cp
)) /* if any trailing garbage */
726 retval
= ((unsigned)1<<31)
727 + (((((deg
* 60) + min
) * 60) + secs
) * 1000)
732 retval
= ((unsigned)1<<31)
733 - (((((deg
* 60) + min
) * 60) + secs
) * 1000)
737 retval
= 0; /* invalid value -- indicates error */
744 *which
= 1; /* latitude */
748 *which
= 2; /* longitude */
751 *which
= 0; /* error */
755 cp
++; /* skip the hemisphere */
757 while (!isspace(*cp
)) /* if any trailing garbage */
760 while (isspace(*cp
)) /* move to next field */
768 /* converts a zone file representation in a string to an RDATA on-the-wire
771 loc_aton(ascii
, binary
)
775 const char *cp
, *maxcp
;
778 u_int32_t latit
= 0, longit
= 0, alt
= 0;
779 u_int32_t lltemp1
= 0, lltemp2
= 0;
780 int altmeters
= 0, altfrac
= 0, altsign
= 1;
781 u_int8_t hp
= 0x16; /* default = 1e6 cm = 10000.00m = 10km */
782 u_int8_t vp
= 0x13; /* default = 1e3 cm = 10.00m */
783 u_int8_t siz
= 0x12; /* default = 1e2 cm = 1.00m */
784 int which1
= 0, which2
= 0;
787 maxcp
= cp
+ strlen(ascii
);
789 lltemp1
= latlon2ul(&cp
, &which1
);
791 lltemp2
= latlon2ul(&cp
, &which2
);
793 switch (which1
+ which2
) {
794 case 3: /* 1 + 2, the only valid combination */
795 if ((which1
== 1) && (which2
== 2)) { /* normal case */
798 } else if ((which1
== 2) && (which2
== 1)) { /* reversed */
801 } else { /* some kind of brokenness */
805 default: /* we didn't get one of each */
819 altmeters
= altmeters
* 10 + (*cp
++ - '0');
821 if (*cp
== '.') { /* decimal meters */
824 altfrac
= (*cp
++ - '0') * 10;
826 altfrac
+= (*cp
++ - '0');
831 alt
= (10000000 + (altsign
* (altmeters
* 100 + altfrac
)));
833 while (!isspace(*cp
) && (cp
< maxcp
)) /* if trailing garbage or m */
836 while (isspace(*cp
) && (cp
< maxcp
))
842 siz
= precsize_aton(&cp
);
844 while (!isspace(*cp
) && (cp
< maxcp
)) /* if trailing garbage or m */
847 while (isspace(*cp
) && (cp
< maxcp
))
853 hp
= precsize_aton(&cp
);
855 while (!isspace(*cp
) && (cp
< maxcp
)) /* if trailing garbage or m */
858 while (isspace(*cp
) && (cp
< maxcp
))
864 vp
= precsize_aton(&cp
);
869 *bcp
++ = (u_int8_t
) 0; /* version byte */
877 return (16); /* size of RR in octets */
880 /* takes an on-the-wire LOC RR and formats it in a human readable format. */
882 loc_ntoa(binary
, ascii
)
883 const u_char
*binary
;
886 static char *error
= "?";
887 static char tmpbuf
[sizeof
888 "1000 60 60.000 N 1000 60 60.000 W -12345678.00m 90000000.00m 90000000.00m 90000000.00m"];
889 const u_char
*cp
= binary
;
891 int latdeg
, latmin
, latsec
, latsecfrac
;
892 int longdeg
, longmin
, longsec
, longsecfrac
;
893 char northsouth
, eastwest
;
894 int altmeters
, altfrac
, altsign
;
896 const u_int32_t referencealt
= 100000 * 100;
898 int32_t latval
, longval
, altval
;
900 u_int8_t sizeval
, hpval
, vpval
, versionval
;
902 char *sizestr
, *hpstr
, *vpstr
;
910 (void) sprintf(ascii
, "; error: unknown LOC RR version");
920 latval
= (templ
- ((unsigned)1<<31));
923 longval
= (templ
- ((unsigned)1<<31));
926 if (templ
< referencealt
) { /* below WGS 84 spheroid */
927 altval
= referencealt
- templ
;
930 altval
= templ
- referencealt
;
940 latsecfrac
= latval
% 1000;
941 latval
= latval
/ 1000;
942 latsec
= latval
% 60;
943 latval
= latval
/ 60;
944 latmin
= latval
% 60;
945 latval
= latval
/ 60;
954 longsecfrac
= longval
% 1000;
955 longval
= longval
/ 1000;
956 longsec
= longval
% 60;
957 longval
= longval
/ 60;
958 longmin
= longval
% 60;
959 longval
= longval
/ 60;
962 altfrac
= altval
% 100;
963 altmeters
= (altval
/ 100) * altsign
;
965 if ((sizestr
= strdup(precsize_ntoa(sizeval
))) == NULL
)
967 if ((hpstr
= strdup(precsize_ntoa(hpval
))) == NULL
)
969 if ((vpstr
= strdup(precsize_ntoa(vpval
))) == NULL
)
973 "%d %.2d %.2d.%.3d %c %d %.2d %.2d.%.3d %c %d.%.2dm %sm %sm %sm",
974 latdeg
, latmin
, latsec
, latsecfrac
, northsouth
,
975 longdeg
, longmin
, longsec
, longsecfrac
, eastwest
,
976 altmeters
, altfrac
, sizestr
, hpstr
, vpstr
);
978 if (sizestr
!= error
)
989 /* Return the number of DNS hierarchy levels in the name. */
991 dn_count_labels(const char *name
) {
995 for (i
= 0, count
= 0; i
< len
; i
++) {
996 /* XXX need to check for \. or use named's nlabels(). */
1001 /* don't count initial wildcard */
1006 /* don't count the null label for root. */
1007 /* if terminating '.' not found, must adjust */
1008 /* count to include last label */
1009 if (len
> 0 && name
[len
-1] != '.')
1016 * Make dates expressed in seconds-since-Jan-1-1970 easy to read.
1017 * SIG records are required to be printed like this, by the Secure DNS RFC.
1020 p_secstodate (u_long secs
) {
1021 /* XXX nonreentrant */
1022 static char output
[15]; /* YYYYMMDDHHMMSS and null */
1023 time_t clock
= secs
;
1029 time
= gmtime_r(&clock
, &timebuf
);
1031 time
= gmtime(&clock
);
1033 time
->tm_year
+= 1900;
1035 sprintf(output
, "%04d%02d%02d%02d%02d%02d",
1036 time
->tm_year
, time
->tm_mon
, time
->tm_mday
,
1037 time
->tm_hour
, time
->tm_min
, time
->tm_sec
);