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