]>
Commit | Line | Data |
---|---|---|
28f540f4 | 1 | /* |
b43b13ac | 2 | * Copyright (c) 1985 |
28f540f4 | 3 | * The Regents of the University of California. All rights reserved. |
0a463fa9 | 4 | * |
28f540f4 RM |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions | |
7 | * are met: | |
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. | |
28f540f4 RM |
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. | |
0a463fa9 | 16 | * |
28f540f4 RM |
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 | |
27 | * SUCH DAMAGE. | |
b43b13ac UD |
28 | */ |
29 | ||
30 | /* | |
28f540f4 | 31 | * Portions Copyright (c) 1993 by Digital Equipment Corporation. |
0a463fa9 | 32 | * |
28f540f4 RM |
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. | |
0a463fa9 | 39 | * |
28f540f4 RM |
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 | |
47 | * SOFTWARE. | |
b43b13ac UD |
48 | */ |
49 | ||
50 | /* | |
df21c858 UD |
51 | * Portions Copyright (c) 1995 by International Business Machines, Inc. |
52 | * | |
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 | |
59 | * permission. | |
60 | * | |
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. | |
66 | * | |
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. | |
b43b13ac UD |
73 | */ |
74 | ||
75 | /* | |
76 | * Portions Copyright (c) 1996-1999 by Internet Software Consortium. | |
77 | * | |
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. | |
81 | * | |
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 | |
87 | * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS | |
88 | * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS | |
89 | * SOFTWARE. | |
28f540f4 RM |
90 | */ |
91 | ||
fa0bc87c | 92 | #include <sys/types.h> |
b43b13ac | 93 | #include <sys/param.h> |
fa0bc87c | 94 | #include <sys/socket.h> |
b43b13ac | 95 | |
28f540f4 RM |
96 | #include <netinet/in.h> |
97 | #include <arpa/inet.h> | |
98 | #include <arpa/nameser.h> | |
99 | ||
58e07151 | 100 | #include <ctype.h> |
b43b13ac UD |
101 | #include <errno.h> |
102 | #include <math.h> | |
3d61b63c | 103 | #include <netdb.h> |
b76e0659 | 104 | #include <resolv/resolv-internal.h> |
df21c858 | 105 | #include <stdio.h> |
b43b13ac UD |
106 | #include <stdlib.h> |
107 | #include <string.h> | |
df21c858 UD |
108 | #include <time.h> |
109 | ||
b43b13ac UD |
110 | #ifdef SPRINTF_CHAR |
111 | # define SPRINTF(x) strlen(sprintf/**/x) | |
28f540f4 | 112 | #else |
b43b13ac | 113 | # define SPRINTF(x) sprintf x |
28f540f4 RM |
114 | #endif |
115 | ||
6f9d8e68 | 116 | extern const char *_res_sectioncodes[] attribute_hidden; |
28f540f4 | 117 | |
d85f9967 FW |
118 | const char *_res_opcodes[] = |
119 | { | |
120 | "QUERY", | |
121 | "IQUERY", | |
122 | "CQUERYM", | |
123 | "CQUERYU", /* experimental */ | |
124 | "NOTIFY", /* experimental */ | |
125 | "UPDATE", | |
126 | "6", | |
127 | "7", | |
128 | "8", | |
129 | "9", | |
130 | "10", | |
131 | "11", | |
132 | "12", | |
133 | "13", | |
134 | "ZONEINIT", | |
135 | "ZONEREF", | |
136 | }; | |
137 | libresolv_hidden_data_def (_res_opcodes) | |
138 | ||
a7ff1da8 FW |
139 | static const char *p_section(int section, int opcode); |
140 | ||
b43b13ac UD |
141 | /* |
142 | * Print the current options. | |
143 | */ | |
144 | void | |
145 | fp_resstat(const res_state statp, FILE *file) { | |
146 | u_long mask; | |
28f540f4 | 147 | |
b43b13ac UD |
148 | fprintf(file, ";; res options:"); |
149 | for (mask = 1; mask != 0; mask <<= 1) | |
150 | if (statp->options & mask) | |
151 | fprintf(file, " %s", p_option(mask)); | |
152 | putc('\n', file); | |
28f540f4 RM |
153 | } |
154 | ||
b43b13ac | 155 | static void |
d85f9967 | 156 | do_section (int pfcode, ns_msg *handle, ns_sect section, int pflag, FILE *file) |
28f540f4 | 157 | { |
b43b13ac | 158 | int n, sflag, rrnum; |
e685e07d UD |
159 | static int buflen = 2048; |
160 | char *buf; | |
b43b13ac UD |
161 | ns_opcode opcode; |
162 | ns_rr rr; | |
28f540f4 RM |
163 | |
164 | /* | |
165 | * Print answer records. | |
166 | */ | |
d85f9967 FW |
167 | sflag = (pfcode & pflag); |
168 | if (pfcode && !sflag) | |
b43b13ac UD |
169 | return; |
170 | ||
e685e07d UD |
171 | buf = malloc(buflen); |
172 | if (buf == NULL) { | |
173 | fprintf(file, ";; memory allocation failure\n"); | |
174 | return; | |
175 | } | |
176 | ||
b43b13ac UD |
177 | opcode = (ns_opcode) ns_msg_getflag(*handle, ns_f_opcode); |
178 | rrnum = 0; | |
179 | for (;;) { | |
180 | if (ns_parserr(handle, section, rrnum, &rr)) { | |
181 | if (errno != ENODEV) | |
182 | fprintf(file, ";; ns_parserr: %s\n", | |
183 | strerror(errno)); | |
184 | else if (rrnum > 0 && sflag != 0 && | |
d85f9967 | 185 | (pfcode & RES_PRF_HEAD1)) |
b43b13ac | 186 | putc('\n', file); |
e685e07d | 187 | goto cleanup; |
b43b13ac | 188 | } |
d85f9967 | 189 | if (rrnum == 0 && sflag != 0 && (pfcode & RES_PRF_HEAD1)) |
b43b13ac UD |
190 | fprintf(file, ";; %s SECTION:\n", |
191 | p_section(section, opcode)); | |
192 | if (section == ns_s_qd) | |
193 | fprintf(file, ";;\t%s, type = %s, class = %s\n", | |
194 | ns_rr_name(rr), | |
195 | p_type(ns_rr_type(rr)), | |
196 | p_class(ns_rr_class(rr))); | |
197 | else { | |
198 | n = ns_sprintrr(handle, &rr, NULL, NULL, | |
e685e07d | 199 | buf, buflen); |
b43b13ac | 200 | if (n < 0) { |
e685e07d UD |
201 | if (errno == ENOSPC) { |
202 | free(buf); | |
203 | buf = NULL; | |
204 | if (buflen < 131072) | |
205 | buf = malloc(buflen += 1024); | |
206 | if (buf == NULL) { | |
207 | fprintf(file, | |
f87dfb1f | 208 | ";; memory allocation failure\n"); |
e685e07d UD |
209 | return; |
210 | } | |
211 | continue; | |
212 | } | |
b43b13ac UD |
213 | fprintf(file, ";; ns_sprintrr: %s\n", |
214 | strerror(errno)); | |
e685e07d | 215 | goto cleanup; |
28f540f4 | 216 | } |
b43b13ac UD |
217 | fputs(buf, file); |
218 | fputc('\n', file); | |
28f540f4 | 219 | } |
b43b13ac | 220 | rrnum++; |
28f540f4 | 221 | } |
e685e07d | 222 | cleanup: |
72e6cdfa | 223 | free(buf); |
28f540f4 RM |
224 | } |
225 | ||
226 | /* | |
227 | * Print the contents of a query. | |
228 | * This is intended to be primarily a debugging routine. | |
229 | */ | |
230 | void | |
d85f9967 FW |
231 | fp_nquery (const unsigned char *msg, int len, FILE *file) |
232 | { | |
b43b13ac UD |
233 | ns_msg handle; |
234 | int qdcount, ancount, nscount, arcount; | |
235 | u_int opcode, rcode, id; | |
28f540f4 | 236 | |
d85f9967 FW |
237 | /* There is no need to initialize _res: If _res is not yet |
238 | initialized, _res.pfcode is zero. But initialization will | |
239 | leave it at zero, too. _res.pfcode is an unsigned long, | |
240 | but the code here assumes that the flags fit into an int, | |
241 | so use that. */ | |
242 | int pfcode = _res.pfcode; | |
243 | ||
b43b13ac UD |
244 | if (ns_initparse(msg, len, &handle) < 0) { |
245 | fprintf(file, ";; ns_initparse: %s\n", strerror(errno)); | |
3d61b63c | 246 | return; |
b43b13ac UD |
247 | } |
248 | opcode = ns_msg_getflag(handle, ns_f_opcode); | |
249 | rcode = ns_msg_getflag(handle, ns_f_rcode); | |
250 | id = ns_msg_id(handle); | |
251 | qdcount = ns_msg_count(handle, ns_s_qd); | |
252 | ancount = ns_msg_count(handle, ns_s_an); | |
253 | nscount = ns_msg_count(handle, ns_s_ns); | |
254 | arcount = ns_msg_count(handle, ns_s_ar); | |
28f540f4 RM |
255 | |
256 | /* | |
257 | * Print header fields. | |
258 | */ | |
d85f9967 | 259 | if ((!pfcode) || (pfcode & RES_PRF_HEADX) || rcode) |
b43b13ac UD |
260 | fprintf(file, |
261 | ";; ->>HEADER<<- opcode: %s, status: %s, id: %d\n", | |
262 | _res_opcodes[opcode], p_rcode(rcode), id); | |
d85f9967 | 263 | if ((!pfcode) || (pfcode & RES_PRF_HEADX)) |
a2e1b046 | 264 | putc(';', file); |
d85f9967 | 265 | if ((!pfcode) || (pfcode & RES_PRF_HEAD2)) { |
28f540f4 | 266 | fprintf(file, "; flags:"); |
b43b13ac | 267 | if (ns_msg_getflag(handle, ns_f_qr)) |
28f540f4 | 268 | fprintf(file, " qr"); |
b43b13ac | 269 | if (ns_msg_getflag(handle, ns_f_aa)) |
28f540f4 | 270 | fprintf(file, " aa"); |
b43b13ac | 271 | if (ns_msg_getflag(handle, ns_f_tc)) |
28f540f4 | 272 | fprintf(file, " tc"); |
b43b13ac | 273 | if (ns_msg_getflag(handle, ns_f_rd)) |
28f540f4 | 274 | fprintf(file, " rd"); |
b43b13ac | 275 | if (ns_msg_getflag(handle, ns_f_ra)) |
28f540f4 | 276 | fprintf(file, " ra"); |
b43b13ac UD |
277 | if (ns_msg_getflag(handle, ns_f_z)) |
278 | fprintf(file, " ??"); | |
279 | if (ns_msg_getflag(handle, ns_f_ad)) | |
df21c858 | 280 | fprintf(file, " ad"); |
b43b13ac | 281 | if (ns_msg_getflag(handle, ns_f_cd)) |
df21c858 | 282 | fprintf(file, " cd"); |
28f540f4 | 283 | } |
d85f9967 | 284 | if ((!pfcode) || (pfcode & RES_PRF_HEAD1)) { |
b43b13ac UD |
285 | fprintf(file, "; %s: %d", |
286 | p_section(ns_s_qd, opcode), qdcount); | |
287 | fprintf(file, ", %s: %d", | |
288 | p_section(ns_s_an, opcode), ancount); | |
289 | fprintf(file, ", %s: %d", | |
290 | p_section(ns_s_ns, opcode), nscount); | |
291 | fprintf(file, ", %s: %d", | |
292 | p_section(ns_s_ar, opcode), arcount); | |
28f540f4 | 293 | } |
d85f9967 | 294 | if ((!pfcode) || (pfcode & |
28f540f4 RM |
295 | (RES_PRF_HEADX | RES_PRF_HEAD2 | RES_PRF_HEAD1))) { |
296 | putc('\n',file); | |
297 | } | |
298 | /* | |
b43b13ac | 299 | * Print the various sections. |
28f540f4 | 300 | */ |
d85f9967 FW |
301 | do_section (pfcode, &handle, ns_s_qd, RES_PRF_QUES, file); |
302 | do_section (pfcode, &handle, ns_s_an, RES_PRF_ANS, file); | |
303 | do_section (pfcode, &handle, ns_s_ns, RES_PRF_AUTH, file); | |
304 | do_section (pfcode, &handle, ns_s_ar, RES_PRF_ADD, file); | |
b43b13ac UD |
305 | if (qdcount == 0 && ancount == 0 && |
306 | nscount == 0 && arcount == 0) | |
307 | putc('\n', file); | |
28f540f4 | 308 | } |
d85f9967 FW |
309 | libresolv_hidden_def (fp_nquery) |
310 | ||
311 | void | |
312 | fp_query (const unsigned char *msg, FILE *file) | |
313 | { | |
314 | fp_nquery (msg, PACKETSZ, file); | |
315 | } | |
316 | libresolv_hidden_def (fp_query) | |
317 | ||
318 | void | |
319 | p_query (const unsigned char *msg) | |
320 | { | |
321 | fp_query (msg, stdout); | |
322 | } | |
28f540f4 RM |
323 | |
324 | const u_char * | |
b43b13ac | 325 | p_cdnname(const u_char *cp, const u_char *msg, int len, FILE *file) { |
28f540f4 RM |
326 | char name[MAXDNAME]; |
327 | int n; | |
328 | ||
329 | if ((n = dn_expand(msg, msg + len, cp, name, sizeof name)) < 0) | |
330 | return (NULL); | |
331 | if (name[0] == '\0') | |
332 | putc('.', file); | |
333 | else | |
334 | fputs(name, file); | |
335 | return (cp + n); | |
336 | } | |
6f9d8e68 | 337 | libresolv_hidden_def (p_cdnname) |
28f540f4 RM |
338 | |
339 | const u_char * | |
b43b13ac | 340 | p_cdname(const u_char *cp, const u_char *msg, FILE *file) { |
28f540f4 RM |
341 | return (p_cdnname(cp, msg, PACKETSZ, file)); |
342 | } | |
343 | ||
df21c858 UD |
344 | /* Return a fully-qualified domain name from a compressed name (with |
345 | length supplied). */ | |
346 | ||
347 | const u_char * | |
41075ae3 JM |
348 | p_fqnname (const u_char *cp, const u_char *msg, int msglen, char *name, |
349 | int namelen) | |
df21c858 UD |
350 | { |
351 | int n, newlen; | |
352 | ||
353 | if ((n = dn_expand(msg, cp + msglen, cp, name, namelen)) < 0) | |
354 | return (NULL); | |
b43b13ac | 355 | newlen = strlen(name); |
3121cc04 | 356 | if (newlen == 0 || name[newlen - 1] != '.') { |
b43b13ac | 357 | if (newlen + 1 >= namelen) /* Lack space for final dot */ |
df21c858 UD |
358 | return (NULL); |
359 | else | |
360 | strcpy(name + newlen, "."); | |
3121cc04 | 361 | } |
df21c858 UD |
362 | return (cp + n); |
363 | } | |
6f9d8e68 | 364 | libresolv_hidden_def (p_fqnname) |
df21c858 | 365 | |
b43b13ac | 366 | /* XXX: the rest of these functions need to become length-limited, too. */ |
28f540f4 RM |
367 | |
368 | const u_char * | |
b43b13ac | 369 | p_fqname(const u_char *cp, const u_char *msg, FILE *file) { |
28f540f4 | 370 | char name[MAXDNAME]; |
df21c858 | 371 | const u_char *n; |
28f540f4 | 372 | |
b43b13ac | 373 | n = p_fqnname(cp, msg, MAXCDNAME, name, sizeof name); |
df21c858 | 374 | if (n == NULL) |
28f540f4 | 375 | return (NULL); |
df21c858 UD |
376 | fputs(name, file); |
377 | return (n); | |
28f540f4 RM |
378 | } |
379 | ||
df21c858 UD |
380 | /* |
381 | * Names of RR classes and qclasses. Classes and qclasses are the same, except | |
382 | * that C_ANY is a qclass but not a class. (You can ask for records of class | |
383 | * C_ANY, but you can't have any records of that class in the database.) | |
384 | */ | |
32738a22 UD |
385 | extern const struct res_sym __p_class_syms[]; |
386 | libresolv_hidden_proto (__p_class_syms) | |
387 | const struct res_sym __p_class_syms[] = { | |
bf8c5424 FW |
388 | {C_IN, (char *) "IN"}, |
389 | {C_CHAOS, (char *) "CHAOS"}, | |
390 | {C_HS, (char *) "HS"}, | |
391 | {C_HS, (char *) "HESIOD"}, | |
392 | {C_ANY, (char *) "ANY"}, | |
393 | {C_NONE, (char *) "NONE"}, | |
394 | {C_IN, NULL, NULL} | |
b43b13ac | 395 | }; |
32738a22 | 396 | libresolv_hidden_data_def (__p_class_syms) |
b43b13ac UD |
397 | |
398 | /* | |
399 | * Names of message sections. | |
400 | */ | |
6f9d8e68 | 401 | const struct res_sym __p_default_section_syms[] attribute_hidden = { |
bf8c5424 FW |
402 | {ns_s_qd, (char *) "QUERY"}, |
403 | {ns_s_an, (char *) "ANSWER"}, | |
404 | {ns_s_ns, (char *) "AUTHORITY"}, | |
405 | {ns_s_ar, (char *) "ADDITIONAL"}, | |
406 | {0, NULL, NULL} | |
b43b13ac UD |
407 | }; |
408 | ||
6f9d8e68 | 409 | const struct res_sym __p_update_section_syms[] attribute_hidden = { |
bf8c5424 FW |
410 | {S_ZONE, (char *) "ZONE"}, |
411 | {S_PREREQ, (char *) "PREREQUISITE"}, | |
412 | {S_UPDATE, (char *) "UPDATE"}, | |
413 | {S_ADDT, (char *) "ADDITIONAL"}, | |
414 | {0, NULL, NULL} | |
b43b13ac UD |
415 | }; |
416 | ||
df21c858 | 417 | /* |
4f157746 FW |
418 | * Names of RR types and qtypes. The list is incomplete because its |
419 | * size is part of the ABI. | |
df21c858 | 420 | */ |
32738a22 UD |
421 | extern const struct res_sym __p_type_syms[]; |
422 | libresolv_hidden_proto (__p_type_syms) | |
423 | const struct res_sym __p_type_syms[] = { | |
bf8c5424 FW |
424 | {ns_t_a, (char *) "A", (char *) "address"}, |
425 | {ns_t_ns, (char *) "NS", (char *) "name server"}, | |
426 | {ns_t_md, (char *) "MD", (char *) "mail destination (deprecated)"}, | |
427 | {ns_t_mf, (char *) "MF", (char *) "mail forwarder (deprecated)"}, | |
428 | {ns_t_cname, (char *) "CNAME", (char *) "canonical name"}, | |
429 | {ns_t_soa, (char *) "SOA", (char *) "start of authority"}, | |
430 | {ns_t_mb, (char *) "MB", (char *) "mailbox"}, | |
431 | {ns_t_mg, (char *) "MG", (char *) "mail group member"}, | |
432 | {ns_t_mr, (char *) "MR", (char *) "mail rename"}, | |
433 | {ns_t_null, (char *) "NULL", (char *) "null"}, | |
434 | {ns_t_wks, (char *) "WKS", (char *) "well-known service (deprecated)"}, | |
435 | {ns_t_ptr, (char *) "PTR", (char *) "domain name pointer"}, | |
436 | {ns_t_hinfo, (char *) "HINFO", (char *) "host information"}, | |
437 | {ns_t_minfo, (char *) "MINFO", (char *) "mailbox information"}, | |
438 | {ns_t_mx, (char *) "MX", (char *) "mail exchanger"}, | |
439 | {ns_t_txt, (char *) "TXT", (char *) "text"}, | |
440 | {ns_t_rp, (char *) "RP", (char *) "responsible person"}, | |
441 | {ns_t_afsdb, (char *) "AFSDB", (char *) "DCE or AFS server"}, | |
442 | {ns_t_x25, (char *) "X25", (char *) "X25 address"}, | |
443 | {ns_t_isdn, (char *) "ISDN", (char *) "ISDN address"}, | |
444 | {ns_t_rt, (char *) "RT", (char *) "router"}, | |
445 | {ns_t_nsap, (char *) "NSAP", (char *) "nsap address"}, | |
446 | {ns_t_nsap_ptr, (char *) "NSAP_PTR", (char *) "domain name pointer"}, | |
447 | {ns_t_sig, (char *) "SIG", (char *) "signature"}, | |
448 | {ns_t_key, (char *) "KEY", (char *) "key"}, | |
449 | {ns_t_px, (char *) "PX", (char *) "mapping information"}, | |
450 | {ns_t_gpos, (char *) "GPOS", | |
451 | (char *) "geographical position (withdrawn)"}, | |
452 | {ns_t_aaaa, (char *) "AAAA", (char *) "IPv6 address"}, | |
453 | {ns_t_loc, (char *) "LOC", (char *) "location"}, | |
454 | {ns_t_nxt, (char *) "NXT", (char *) "next valid name (unimplemented)"}, | |
455 | {ns_t_eid, (char *) "EID", (char *) "endpoint identifier (unimplemented)"}, | |
456 | {ns_t_nimloc, (char *) "NIMLOC", (char *) "NIMROD locator (unimplemented)"}, | |
457 | {ns_t_srv, (char *) "SRV", (char *) "server selection"}, | |
458 | {ns_t_atma, (char *) "ATMA", (char *) "ATM address (unimplemented)"}, | |
459 | {ns_t_dname, (char *) "DNAME", (char *) "Non-terminal DNAME (for IPv6)"}, | |
460 | {ns_t_tsig, (char *) "TSIG", (char *) "transaction signature"}, | |
461 | {ns_t_ixfr, (char *) "IXFR", (char *) "incremental zone transfer"}, | |
462 | {ns_t_axfr, (char *) "AXFR", (char *) "zone transfer"}, | |
bf8c5424 FW |
463 | {ns_t_mailb, (char *) "MAILB", (char *) "mailbox-related data (deprecated)"}, |
464 | {ns_t_maila, (char *) "MAILA", (char *) "mail agent (deprecated)"}, | |
465 | {ns_t_naptr, (char *) "NAPTR", (char *) "URN Naming Authority"}, | |
466 | {ns_t_kx, (char *) "KX", (char *) "Key Exchange"}, | |
467 | {ns_t_cert, (char *) "CERT", (char *) "Certificate"}, | |
468 | {ns_t_any, (char *) "ANY", (char *) "\"any\""}, | |
4f157746 | 469 | {0, NULL, NULL}, /* Padding to preserve ABI. */ |
bf8c5424 | 470 | {0, NULL, NULL} |
b43b13ac | 471 | }; |
32738a22 | 472 | libresolv_hidden_data_def (__p_type_syms) |
b43b13ac UD |
473 | |
474 | /* | |
475 | * Names of DNS rcodes. | |
476 | */ | |
6f9d8e68 | 477 | const struct res_sym __p_rcode_syms[] attribute_hidden = { |
bf8c5424 FW |
478 | {ns_r_noerror, (char *) "NOERROR", (char *) "no error"}, |
479 | {ns_r_formerr, (char *) "FORMERR", (char *) "format error"}, | |
480 | {ns_r_servfail, (char *) "SERVFAIL", (char *) "server failed"}, | |
481 | {ns_r_nxdomain, (char *) "NXDOMAIN", (char *) "no such domain name"}, | |
482 | {ns_r_notimpl, (char *) "NOTIMP", (char *) "not implemented"}, | |
483 | {ns_r_refused, (char *) "REFUSED", (char *) "refused"}, | |
484 | {ns_r_yxdomain, (char *) "YXDOMAIN", (char *) "domain name exists"}, | |
485 | {ns_r_yxrrset, (char *) "YXRRSET", (char *) "rrset exists"}, | |
486 | {ns_r_nxrrset, (char *) "NXRRSET", (char *) "rrset doesn't exist"}, | |
487 | {ns_r_notauth, (char *) "NOTAUTH", (char *) "not authoritative"}, | |
488 | {ns_r_notzone, (char *) "NOTZONE", (char *) "Not in zone"}, | |
489 | {ns_r_max, (char *) "", (char *) ""}, | |
490 | {ns_r_badsig, (char *) "BADSIG", (char *) "bad signature"}, | |
491 | {ns_r_badkey, (char *) "BADKEY", (char *) "bad key"}, | |
492 | {ns_r_badtime, (char *) "BADTIME", (char *) "bad time"}, | |
493 | {0, NULL, NULL} | |
df21c858 UD |
494 | }; |
495 | ||
496 | int | |
b43b13ac UD |
497 | sym_ston(const struct res_sym *syms, const char *name, int *success) { |
498 | for ((void)NULL; syms->name != 0; syms++) { | |
df21c858 UD |
499 | if (strcasecmp (name, syms->name) == 0) { |
500 | if (success) | |
501 | *success = 1; | |
502 | return (syms->number); | |
503 | } | |
504 | } | |
505 | if (success) | |
506 | *success = 0; | |
b43b13ac | 507 | return (syms->number); /* The default value. */ |
df21c858 UD |
508 | } |
509 | ||
510 | const char * | |
b43b13ac | 511 | sym_ntos(const struct res_sym *syms, int number, int *success) { |
df21c858 UD |
512 | static char unname[20]; |
513 | ||
b43b13ac | 514 | for ((void)NULL; syms->name != 0; syms++) { |
e685e07d | 515 | if (number == syms->number) { |
df21c858 UD |
516 | if (success) |
517 | *success = 1; | |
518 | return (syms->name); | |
519 | } | |
520 | } | |
521 | ||
b43b13ac | 522 | sprintf(unname, "%d", number); /* XXX nonreentrant */ |
df21c858 UD |
523 | if (success) |
524 | *success = 0; | |
525 | return (unname); | |
526 | } | |
6f9d8e68 | 527 | libresolv_hidden_def (sym_ntos) |
df21c858 | 528 | |
df21c858 | 529 | const char * |
b43b13ac | 530 | sym_ntop(const struct res_sym *syms, int number, int *success) { |
df21c858 UD |
531 | static char unname[20]; |
532 | ||
b43b13ac | 533 | for ((void)NULL; syms->name != 0; syms++) { |
df21c858 UD |
534 | if (number == syms->number) { |
535 | if (success) | |
536 | *success = 1; | |
537 | return (syms->humanname); | |
538 | } | |
539 | } | |
b43b13ac | 540 | sprintf(unname, "%d", number); /* XXX nonreentrant */ |
df21c858 UD |
541 | if (success) |
542 | *success = 0; | |
543 | return (unname); | |
544 | } | |
545 | ||
28f540f4 | 546 | /* |
b43b13ac | 547 | * Return a string for the type. |
28f540f4 RM |
548 | */ |
549 | const char * | |
b43b13ac UD |
550 | p_type(int type) { |
551 | return (sym_ntos(__p_type_syms, type, (int *)0)); | |
28f540f4 | 552 | } |
6f9d8e68 | 553 | libresolv_hidden_def (p_type) |
28f540f4 RM |
554 | |
555 | /* | |
b43b13ac | 556 | * Return a string for the type. |
28f540f4 | 557 | */ |
a7ff1da8 | 558 | static const char * |
b43b13ac UD |
559 | p_section(int section, int opcode) { |
560 | const struct res_sym *symbols; | |
561 | ||
562 | switch (opcode) { | |
563 | case ns_o_update: | |
564 | symbols = __p_update_section_syms; | |
565 | break; | |
566 | default: | |
567 | symbols = __p_default_section_syms; | |
568 | break; | |
569 | } | |
570 | return (sym_ntos(symbols, section, (int *)0)); | |
571 | } | |
572 | ||
573 | /* | |
574 | * Return a mnemonic for class. | |
575 | */ | |
576 | const char * | |
577 | p_class(int class) { | |
578 | return (sym_ntos(__p_class_syms, class, (int *)0)); | |
28f540f4 | 579 | } |
6f9d8e68 | 580 | libresolv_hidden_def (p_class) |
28f540f4 RM |
581 | |
582 | /* | |
583 | * Return a mnemonic for an option | |
584 | */ | |
585 | const char * | |
b43b13ac | 586 | p_option(u_long option) { |
3d61b63c RM |
587 | static char nbuf[40]; |
588 | ||
28f540f4 RM |
589 | switch (option) { |
590 | case RES_INIT: return "init"; | |
591 | case RES_DEBUG: return "debug"; | |
c3ed8088 | 592 | case RES_USEVC: return "use-vc"; |
28f540f4 RM |
593 | case RES_IGNTC: return "igntc"; |
594 | case RES_RECURSE: return "recurs"; | |
595 | case RES_DEFNAMES: return "defnam"; | |
596 | case RES_STAYOPEN: return "styopn"; | |
597 | case RES_DNSRCH: return "dnsrch"; | |
598 | case RES_INSECURE1: return "insecure1"; | |
599 | case RES_INSECURE2: return "insecure2"; | |
b1a36ceb | 600 | case RES_NOALIASES: return "noaliases"; |
b76e0659 | 601 | case DEPRECATED_RES_USE_INET6: return "inet6"; |
ee778b56 | 602 | case RES_ROTATE: return "rotate"; |
2d0671cb | 603 | case RES_USE_EDNS0: return "edns0"; |
b1a36ceb AJ |
604 | case RES_SNGLKUP: return "single-request"; |
605 | case RES_SNGLKUPREOP: return "single-request-reopen"; | |
2d0671cb | 606 | case RES_USE_DNSSEC: return "dnssec"; |
f87dfb1f | 607 | case RES_NOTLDQUERY: return "no-tld-query"; |
b43b13ac | 608 | /* XXX nonreentrant */ |
3d61b63c RM |
609 | default: sprintf(nbuf, "?0x%lx?", (u_long)option); |
610 | return (nbuf); | |
28f540f4 RM |
611 | } |
612 | } | |
6f9d8e68 | 613 | libresolv_hidden_def (p_option) |
28f540f4 RM |
614 | |
615 | /* | |
b43b13ac | 616 | * Return a mnemonic for a time to live. |
28f540f4 | 617 | */ |
845dcb57 | 618 | const char * |
b43b13ac UD |
619 | p_time(u_int32_t value) { |
620 | static char nbuf[40]; /* XXX nonreentrant */ | |
28f540f4 | 621 | |
b43b13ac UD |
622 | if (ns_format_ttl(value, nbuf, sizeof nbuf) < 0) |
623 | sprintf(nbuf, "%u", value); | |
28f540f4 RM |
624 | return (nbuf); |
625 | } | |
ee188d55 | 626 | |
b43b13ac UD |
627 | /* |
628 | * Return a string for the rcode. | |
629 | */ | |
630 | const char * | |
631 | p_rcode(int rcode) { | |
632 | return (sym_ntos(__p_rcode_syms, rcode, (int *)0)); | |
633 | } | |
6f9d8e68 | 634 | libresolv_hidden_def (p_rcode) |
b43b13ac | 635 | |
ee188d55 RM |
636 | /* |
637 | * routines to convert between on-the-wire RR format and zone file format. | |
638 | * Does not contain conversion to/from decimal degrees; divide or multiply | |
639 | * by 60*60*1000 for that. | |
640 | */ | |
641 | ||
6f9d8e68 UD |
642 | static const unsigned int poweroften[10]= |
643 | { 1, 10, 100, 1000, 10000, 100000, | |
644 | 1000000,10000000,100000000,1000000000}; | |
ee188d55 RM |
645 | |
646 | /* takes an XeY precision/size value, returns a string representation. */ | |
647 | static const char * | |
db0a00d3 | 648 | precsize_ntoa (u_int8_t prec) |
ee188d55 | 649 | { |
b43b13ac | 650 | static char retbuf[sizeof "90000000.00"]; /* XXX nonreentrant */ |
ee188d55 RM |
651 | unsigned long val; |
652 | int mantissa, exponent; | |
653 | ||
654 | mantissa = (int)((prec >> 4) & 0x0f) % 10; | |
655 | exponent = (int)((prec >> 0) & 0x0f) % 10; | |
656 | ||
657 | val = mantissa * poweroften[exponent]; | |
658 | ||
659 | (void) sprintf(retbuf, "%ld.%.2ld", val/100, val%100); | |
660 | return (retbuf); | |
661 | } | |
662 | ||
663 | /* converts ascii size/precision X * 10**Y(cm) to 0xXY. moves pointer. */ | |
664 | static u_int8_t | |
db0a00d3 | 665 | precsize_aton (const char **strptr) |
ee188d55 | 666 | { |
b43b13ac | 667 | unsigned int mval = 0, cmval = 0; |
ee188d55 | 668 | u_int8_t retval = 0; |
0a463fa9 | 669 | const char *cp; |
b43b13ac UD |
670 | int exponent; |
671 | int mantissa; | |
ee188d55 RM |
672 | |
673 | cp = *strptr; | |
674 | ||
b43b13ac UD |
675 | while (isdigit(*cp)) |
676 | mval = mval * 10 + (*cp++ - '0'); | |
677 | ||
678 | if (*cp == '.') { /* centimeters */ | |
ee188d55 RM |
679 | cp++; |
680 | if (isdigit(*cp)) { | |
b43b13ac | 681 | cmval = (*cp++ - '0') * 10; |
ee188d55 | 682 | if (isdigit(*cp)) { |
b43b13ac | 683 | cmval += (*cp++ - '0'); |
ee188d55 RM |
684 | } |
685 | } | |
686 | } | |
b43b13ac UD |
687 | cmval = (mval * 100) + cmval; |
688 | ||
689 | for (exponent = 0; exponent < 9; exponent++) | |
690 | if (cmval < poweroften[exponent+1]) | |
691 | break; | |
692 | ||
693 | mantissa = cmval / poweroften[exponent]; | |
694 | if (mantissa > 9) | |
695 | mantissa = 9; | |
ee188d55 RM |
696 | |
697 | retval = (mantissa << 4) | exponent; | |
b43b13ac | 698 | |
ee188d55 | 699 | *strptr = cp; |
b43b13ac | 700 | |
ee188d55 RM |
701 | return (retval); |
702 | } | |
703 | ||
704 | /* converts ascii lat/lon to unsigned encoded 32-bit number. moves pointer. */ | |
705 | static u_int32_t | |
db0a00d3 | 706 | latlon2ul (const char **latlonstrptr, int *which) |
ee188d55 | 707 | { |
0a463fa9 | 708 | const char *cp; |
ee188d55 RM |
709 | u_int32_t retval; |
710 | int deg = 0, min = 0, secs = 0, secsfrac = 0; | |
711 | ||
712 | cp = *latlonstrptr; | |
713 | ||
714 | while (isdigit(*cp)) | |
715 | deg = deg * 10 + (*cp++ - '0'); | |
716 | ||
717 | while (isspace(*cp)) | |
718 | cp++; | |
719 | ||
720 | if (!(isdigit(*cp))) | |
721 | goto fndhemi; | |
722 | ||
723 | while (isdigit(*cp)) | |
724 | min = min * 10 + (*cp++ - '0'); | |
725 | ||
726 | while (isspace(*cp)) | |
727 | cp++; | |
728 | ||
729 | if (!(isdigit(*cp))) | |
730 | goto fndhemi; | |
731 | ||
732 | while (isdigit(*cp)) | |
733 | secs = secs * 10 + (*cp++ - '0'); | |
734 | ||
735 | if (*cp == '.') { /* decimal seconds */ | |
736 | cp++; | |
737 | if (isdigit(*cp)) { | |
738 | secsfrac = (*cp++ - '0') * 100; | |
739 | if (isdigit(*cp)) { | |
740 | secsfrac += (*cp++ - '0') * 10; | |
741 | if (isdigit(*cp)) { | |
742 | secsfrac += (*cp++ - '0'); | |
743 | } | |
744 | } | |
745 | } | |
746 | } | |
747 | ||
748 | while (!isspace(*cp)) /* if any trailing garbage */ | |
749 | cp++; | |
750 | ||
751 | while (isspace(*cp)) | |
752 | cp++; | |
753 | ||
754 | fndhemi: | |
755 | switch (*cp) { | |
756 | case 'N': case 'n': | |
757 | case 'E': case 'e': | |
758 | retval = ((unsigned)1<<31) | |
759 | + (((((deg * 60) + min) * 60) + secs) * 1000) | |
760 | + secsfrac; | |
761 | break; | |
762 | case 'S': case 's': | |
763 | case 'W': case 'w': | |
764 | retval = ((unsigned)1<<31) | |
765 | - (((((deg * 60) + min) * 60) + secs) * 1000) | |
766 | - secsfrac; | |
767 | break; | |
768 | default: | |
769 | retval = 0; /* invalid value -- indicates error */ | |
770 | break; | |
771 | } | |
772 | ||
773 | switch (*cp) { | |
774 | case 'N': case 'n': | |
775 | case 'S': case 's': | |
776 | *which = 1; /* latitude */ | |
777 | break; | |
778 | case 'E': case 'e': | |
779 | case 'W': case 'w': | |
780 | *which = 2; /* longitude */ | |
781 | break; | |
782 | default: | |
783 | *which = 0; /* error */ | |
784 | break; | |
785 | } | |
786 | ||
787 | cp++; /* skip the hemisphere */ | |
788 | ||
789 | while (!isspace(*cp)) /* if any trailing garbage */ | |
790 | cp++; | |
791 | ||
792 | while (isspace(*cp)) /* move to next field */ | |
793 | cp++; | |
794 | ||
795 | *latlonstrptr = cp; | |
796 | ||
797 | return (retval); | |
798 | } | |
799 | ||
800 | /* converts a zone file representation in a string to an RDATA on-the-wire | |
801 | * representation. */ | |
802 | int | |
9d46370c | 803 | loc_aton (const char *ascii, u_char *binary) |
ee188d55 RM |
804 | { |
805 | const char *cp, *maxcp; | |
806 | u_char *bcp; | |
807 | ||
808 | u_int32_t latit = 0, longit = 0, alt = 0; | |
809 | u_int32_t lltemp1 = 0, lltemp2 = 0; | |
810 | int altmeters = 0, altfrac = 0, altsign = 1; | |
811 | u_int8_t hp = 0x16; /* default = 1e6 cm = 10000.00m = 10km */ | |
812 | u_int8_t vp = 0x13; /* default = 1e3 cm = 10.00m */ | |
813 | u_int8_t siz = 0x12; /* default = 1e2 cm = 1.00m */ | |
814 | int which1 = 0, which2 = 0; | |
815 | ||
816 | cp = ascii; | |
817 | maxcp = cp + strlen(ascii); | |
818 | ||
819 | lltemp1 = latlon2ul(&cp, &which1); | |
820 | ||
821 | lltemp2 = latlon2ul(&cp, &which2); | |
822 | ||
823 | switch (which1 + which2) { | |
824 | case 3: /* 1 + 2, the only valid combination */ | |
825 | if ((which1 == 1) && (which2 == 2)) { /* normal case */ | |
826 | latit = lltemp1; | |
827 | longit = lltemp2; | |
828 | } else if ((which1 == 2) && (which2 == 1)) { /* reversed */ | |
829 | longit = lltemp1; | |
830 | latit = lltemp2; | |
831 | } else { /* some kind of brokenness */ | |
df21c858 | 832 | return (0); |
ee188d55 RM |
833 | } |
834 | break; | |
835 | default: /* we didn't get one of each */ | |
df21c858 | 836 | return (0); |
ee188d55 RM |
837 | } |
838 | ||
839 | /* altitude */ | |
840 | if (*cp == '-') { | |
841 | altsign = -1; | |
842 | cp++; | |
843 | } | |
0a463fa9 | 844 | |
ee188d55 RM |
845 | if (*cp == '+') |
846 | cp++; | |
847 | ||
848 | while (isdigit(*cp)) | |
849 | altmeters = altmeters * 10 + (*cp++ - '0'); | |
850 | ||
851 | if (*cp == '.') { /* decimal meters */ | |
852 | cp++; | |
853 | if (isdigit(*cp)) { | |
854 | altfrac = (*cp++ - '0') * 10; | |
855 | if (isdigit(*cp)) { | |
856 | altfrac += (*cp++ - '0'); | |
857 | } | |
858 | } | |
859 | } | |
860 | ||
861 | alt = (10000000 + (altsign * (altmeters * 100 + altfrac))); | |
862 | ||
863 | while (!isspace(*cp) && (cp < maxcp)) /* if trailing garbage or m */ | |
864 | cp++; | |
865 | ||
866 | while (isspace(*cp) && (cp < maxcp)) | |
867 | cp++; | |
868 | ||
869 | if (cp >= maxcp) | |
870 | goto defaults; | |
871 | ||
872 | siz = precsize_aton(&cp); | |
0a463fa9 | 873 | |
ee188d55 RM |
874 | while (!isspace(*cp) && (cp < maxcp)) /* if trailing garbage or m */ |
875 | cp++; | |
876 | ||
877 | while (isspace(*cp) && (cp < maxcp)) | |
878 | cp++; | |
879 | ||
880 | if (cp >= maxcp) | |
881 | goto defaults; | |
882 | ||
883 | hp = precsize_aton(&cp); | |
884 | ||
885 | while (!isspace(*cp) && (cp < maxcp)) /* if trailing garbage or m */ | |
886 | cp++; | |
887 | ||
888 | while (isspace(*cp) && (cp < maxcp)) | |
889 | cp++; | |
890 | ||
891 | if (cp >= maxcp) | |
892 | goto defaults; | |
893 | ||
894 | vp = precsize_aton(&cp); | |
895 | ||
896 | defaults: | |
897 | ||
898 | bcp = binary; | |
899 | *bcp++ = (u_int8_t) 0; /* version byte */ | |
900 | *bcp++ = siz; | |
901 | *bcp++ = hp; | |
902 | *bcp++ = vp; | |
903 | PUTLONG(latit,bcp); | |
904 | PUTLONG(longit,bcp); | |
905 | PUTLONG(alt,bcp); | |
0a463fa9 | 906 | |
ee188d55 RM |
907 | return (16); /* size of RR in octets */ |
908 | } | |
909 | ||
910 | /* takes an on-the-wire LOC RR and formats it in a human readable format. */ | |
845dcb57 | 911 | const char * |
9d46370c | 912 | loc_ntoa (const u_char *binary, char *ascii) |
ee188d55 | 913 | { |
4442d58f | 914 | static const char error[] = "?"; |
b43b13ac UD |
915 | static char tmpbuf[sizeof |
916 | "1000 60 60.000 N 1000 60 60.000 W -12345678.00m 90000000.00m 90000000.00m 90000000.00m"]; | |
917 | const u_char *cp = binary; | |
ee188d55 RM |
918 | |
919 | int latdeg, latmin, latsec, latsecfrac; | |
920 | int longdeg, longmin, longsec, longsecfrac; | |
921 | char northsouth, eastwest; | |
922 | int altmeters, altfrac, altsign; | |
923 | ||
b43b13ac | 924 | const u_int32_t referencealt = 100000 * 100; |
ee188d55 RM |
925 | |
926 | int32_t latval, longval, altval; | |
927 | u_int32_t templ; | |
928 | u_int8_t sizeval, hpval, vpval, versionval; | |
0a463fa9 | 929 | |
ee188d55 RM |
930 | char *sizestr, *hpstr, *vpstr; |
931 | ||
932 | versionval = *cp++; | |
933 | ||
b43b13ac UD |
934 | if (ascii == NULL) |
935 | ascii = tmpbuf; | |
936 | ||
ee188d55 | 937 | if (versionval) { |
b43b13ac | 938 | (void) sprintf(ascii, "; error: unknown LOC RR version"); |
ee188d55 RM |
939 | return (ascii); |
940 | } | |
941 | ||
942 | sizeval = *cp++; | |
943 | ||
944 | hpval = *cp++; | |
945 | vpval = *cp++; | |
946 | ||
947 | GETLONG(templ, cp); | |
948 | latval = (templ - ((unsigned)1<<31)); | |
949 | ||
950 | GETLONG(templ, cp); | |
951 | longval = (templ - ((unsigned)1<<31)); | |
952 | ||
953 | GETLONG(templ, cp); | |
b43b13ac | 954 | if (templ < referencealt) { /* below WGS 84 spheroid */ |
ee188d55 RM |
955 | altval = referencealt - templ; |
956 | altsign = -1; | |
957 | } else { | |
958 | altval = templ - referencealt; | |
959 | altsign = 1; | |
960 | } | |
961 | ||
962 | if (latval < 0) { | |
963 | northsouth = 'S'; | |
964 | latval = -latval; | |
965 | } else | |
966 | northsouth = 'N'; | |
967 | ||
968 | latsecfrac = latval % 1000; | |
969 | latval = latval / 1000; | |
970 | latsec = latval % 60; | |
971 | latval = latval / 60; | |
972 | latmin = latval % 60; | |
973 | latval = latval / 60; | |
974 | latdeg = latval; | |
975 | ||
976 | if (longval < 0) { | |
977 | eastwest = 'W'; | |
978 | longval = -longval; | |
979 | } else | |
980 | eastwest = 'E'; | |
981 | ||
982 | longsecfrac = longval % 1000; | |
983 | longval = longval / 1000; | |
984 | longsec = longval % 60; | |
985 | longval = longval / 60; | |
986 | longmin = longval % 60; | |
987 | longval = longval / 60; | |
988 | longdeg = longval; | |
989 | ||
990 | altfrac = altval % 100; | |
991 | altmeters = (altval / 100) * altsign; | |
992 | ||
993 | if ((sizestr = strdup(precsize_ntoa(sizeval))) == NULL) | |
4442d58f | 994 | sizestr = (char *) error; |
ee188d55 | 995 | if ((hpstr = strdup(precsize_ntoa(hpval))) == NULL) |
4442d58f | 996 | hpstr = (char *) error; |
ee188d55 | 997 | if ((vpstr = strdup(precsize_ntoa(vpval))) == NULL) |
4442d58f | 998 | vpstr = (char *) error; |
ee188d55 RM |
999 | |
1000 | sprintf(ascii, | |
1001 | "%d %.2d %.2d.%.3d %c %d %.2d %.2d.%.3d %c %d.%.2dm %sm %sm %sm", | |
1002 | latdeg, latmin, latsec, latsecfrac, northsouth, | |
1003 | longdeg, longmin, longsec, longsecfrac, eastwest, | |
1004 | altmeters, altfrac, sizestr, hpstr, vpstr); | |
1005 | ||
4442d58f | 1006 | if (sizestr != (char *) error) |
ee188d55 | 1007 | free(sizestr); |
4442d58f | 1008 | if (hpstr != (char *) error) |
ee188d55 | 1009 | free(hpstr); |
4442d58f | 1010 | if (vpstr != (char *) error) |
ee188d55 RM |
1011 | free(vpstr); |
1012 | ||
1013 | return (ascii); | |
1014 | } | |
6f9d8e68 | 1015 | libresolv_hidden_def (loc_ntoa) |
df21c858 UD |
1016 | |
1017 | ||
1018 | /* Return the number of DNS hierarchy levels in the name. */ | |
1019 | int | |
b43b13ac | 1020 | dn_count_labels(const char *name) { |
df21c858 UD |
1021 | int i, len, count; |
1022 | ||
1023 | len = strlen(name); | |
b43b13ac UD |
1024 | for (i = 0, count = 0; i < len; i++) { |
1025 | /* XXX need to check for \. or use named's nlabels(). */ | |
df21c858 UD |
1026 | if (name[i] == '.') |
1027 | count++; | |
1028 | } | |
1029 | ||
1030 | /* don't count initial wildcard */ | |
1031 | if (name[0] == '*') | |
1032 | if (count) | |
1033 | count--; | |
1034 | ||
1035 | /* don't count the null label for root. */ | |
1036 | /* if terminating '.' not found, must adjust */ | |
1037 | /* count to include last label */ | |
1038 | if (len > 0 && name[len-1] != '.') | |
1039 | count++; | |
1040 | return (count); | |
1041 | } | |
cd5743fd | 1042 | libresolv_hidden_def (__dn_count_labels) |
df21c858 UD |
1043 | |
1044 | ||
0a463fa9 RM |
1045 | /* |
1046 | * Make dates expressed in seconds-since-Jan-1-1970 easy to read. | |
df21c858 UD |
1047 | * SIG records are required to be printed like this, by the Secure DNS RFC. |
1048 | */ | |
1049 | char * | |
b43b13ac UD |
1050 | p_secstodate (u_long secs) { |
1051 | /* XXX nonreentrant */ | |
1052 | static char output[15]; /* YYYYMMDDHHMMSS and null */ | |
df21c858 | 1053 | time_t clock = secs; |
b43b13ac | 1054 | struct tm *time; |
0a463fa9 | 1055 | |
e685e07d | 1056 | struct tm timebuf; |
4efdc6d9 | 1057 | time = __gmtime_r(&clock, &timebuf); |
b43b13ac UD |
1058 | time->tm_year += 1900; |
1059 | time->tm_mon += 1; | |
df21c858 | 1060 | sprintf(output, "%04d%02d%02d%02d%02d%02d", |
b43b13ac UD |
1061 | time->tm_year, time->tm_mon, time->tm_mday, |
1062 | time->tm_hour, time->tm_min, time->tm_sec); | |
df21c858 UD |
1063 | return (output); |
1064 | } | |
cd5743fd | 1065 | libresolv_hidden_def (__p_secstodate) |