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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 | ||
92 | #if defined(LIBC_SCCS) && !defined(lint) | |
b43b13ac | 93 | static const char sccsid[] = "@(#)res_debug.c 8.1 (Berkeley) 6/4/93"; |
e685e07d | 94 | static const char rcsid[] = "$BINDId: res_debug.c,v 8.34 2000/02/29 05:30:55 vixie Exp $"; |
28f540f4 RM |
95 | #endif /* LIBC_SCCS and not lint */ |
96 | ||
fa0bc87c | 97 | #include <sys/types.h> |
b43b13ac | 98 | #include <sys/param.h> |
fa0bc87c | 99 | #include <sys/socket.h> |
b43b13ac | 100 | |
28f540f4 RM |
101 | #include <netinet/in.h> |
102 | #include <arpa/inet.h> | |
103 | #include <arpa/nameser.h> | |
104 | ||
58e07151 | 105 | #include <ctype.h> |
b43b13ac UD |
106 | #include <errno.h> |
107 | #include <math.h> | |
3d61b63c | 108 | #include <netdb.h> |
28f540f4 | 109 | #include <resolv.h> |
df21c858 | 110 | #include <stdio.h> |
b43b13ac UD |
111 | #include <stdlib.h> |
112 | #include <string.h> | |
df21c858 UD |
113 | #include <time.h> |
114 | ||
b43b13ac UD |
115 | #ifdef SPRINTF_CHAR |
116 | # define SPRINTF(x) strlen(sprintf/**/x) | |
28f540f4 | 117 | #else |
b43b13ac | 118 | # define SPRINTF(x) sprintf x |
28f540f4 RM |
119 | #endif |
120 | ||
6f9d8e68 | 121 | extern const char *_res_sectioncodes[] attribute_hidden; |
28f540f4 | 122 | |
b43b13ac UD |
123 | /* |
124 | * Print the current options. | |
125 | */ | |
126 | void | |
127 | fp_resstat(const res_state statp, FILE *file) { | |
128 | u_long mask; | |
28f540f4 | 129 | |
b43b13ac UD |
130 | fprintf(file, ";; res options:"); |
131 | for (mask = 1; mask != 0; mask <<= 1) | |
132 | if (statp->options & mask) | |
133 | fprintf(file, " %s", p_option(mask)); | |
134 | putc('\n', file); | |
28f540f4 RM |
135 | } |
136 | ||
b43b13ac UD |
137 | static void |
138 | do_section(const res_state statp, | |
139 | ns_msg *handle, ns_sect section, | |
140 | int pflag, FILE *file) | |
28f540f4 | 141 | { |
b43b13ac | 142 | int n, sflag, rrnum; |
e685e07d UD |
143 | static int buflen = 2048; |
144 | char *buf; | |
b43b13ac UD |
145 | ns_opcode opcode; |
146 | ns_rr rr; | |
28f540f4 RM |
147 | |
148 | /* | |
149 | * Print answer records. | |
150 | */ | |
b43b13ac UD |
151 | sflag = (statp->pfcode & pflag); |
152 | if (statp->pfcode && !sflag) | |
153 | return; | |
154 | ||
e685e07d UD |
155 | buf = malloc(buflen); |
156 | if (buf == NULL) { | |
157 | fprintf(file, ";; memory allocation failure\n"); | |
158 | return; | |
159 | } | |
160 | ||
b43b13ac UD |
161 | opcode = (ns_opcode) ns_msg_getflag(*handle, ns_f_opcode); |
162 | rrnum = 0; | |
163 | for (;;) { | |
164 | if (ns_parserr(handle, section, rrnum, &rr)) { | |
165 | if (errno != ENODEV) | |
166 | fprintf(file, ";; ns_parserr: %s\n", | |
167 | strerror(errno)); | |
168 | else if (rrnum > 0 && sflag != 0 && | |
169 | (statp->pfcode & RES_PRF_HEAD1)) | |
170 | putc('\n', file); | |
e685e07d | 171 | goto cleanup; |
b43b13ac UD |
172 | } |
173 | if (rrnum == 0 && sflag != 0 && (statp->pfcode & RES_PRF_HEAD1)) | |
174 | fprintf(file, ";; %s SECTION:\n", | |
175 | p_section(section, opcode)); | |
176 | if (section == ns_s_qd) | |
177 | fprintf(file, ";;\t%s, type = %s, class = %s\n", | |
178 | ns_rr_name(rr), | |
179 | p_type(ns_rr_type(rr)), | |
180 | p_class(ns_rr_class(rr))); | |
181 | else { | |
182 | n = ns_sprintrr(handle, &rr, NULL, NULL, | |
e685e07d | 183 | buf, buflen); |
b43b13ac | 184 | if (n < 0) { |
e685e07d UD |
185 | if (errno == ENOSPC) { |
186 | free(buf); | |
187 | buf = NULL; | |
188 | if (buflen < 131072) | |
189 | buf = malloc(buflen += 1024); | |
190 | if (buf == NULL) { | |
191 | fprintf(file, | |
192 | ";; memory allocation failure\n"); | |
193 | return; | |
194 | } | |
195 | continue; | |
196 | } | |
b43b13ac UD |
197 | fprintf(file, ";; ns_sprintrr: %s\n", |
198 | strerror(errno)); | |
e685e07d | 199 | goto cleanup; |
28f540f4 | 200 | } |
b43b13ac UD |
201 | fputs(buf, file); |
202 | fputc('\n', file); | |
28f540f4 | 203 | } |
b43b13ac | 204 | rrnum++; |
28f540f4 | 205 | } |
e685e07d UD |
206 | cleanup: |
207 | if (buf != NULL) | |
208 | free(buf); | |
28f540f4 RM |
209 | } |
210 | ||
211 | /* | |
212 | * Print the contents of a query. | |
213 | * This is intended to be primarily a debugging routine. | |
214 | */ | |
215 | void | |
b43b13ac UD |
216 | res_pquery(const res_state statp, const u_char *msg, int len, FILE *file) { |
217 | ns_msg handle; | |
218 | int qdcount, ancount, nscount, arcount; | |
219 | u_int opcode, rcode, id; | |
28f540f4 | 220 | |
b43b13ac UD |
221 | if (ns_initparse(msg, len, &handle) < 0) { |
222 | fprintf(file, ";; ns_initparse: %s\n", strerror(errno)); | |
3d61b63c | 223 | return; |
b43b13ac UD |
224 | } |
225 | opcode = ns_msg_getflag(handle, ns_f_opcode); | |
226 | rcode = ns_msg_getflag(handle, ns_f_rcode); | |
227 | id = ns_msg_id(handle); | |
228 | qdcount = ns_msg_count(handle, ns_s_qd); | |
229 | ancount = ns_msg_count(handle, ns_s_an); | |
230 | nscount = ns_msg_count(handle, ns_s_ns); | |
231 | arcount = ns_msg_count(handle, ns_s_ar); | |
28f540f4 RM |
232 | |
233 | /* | |
234 | * Print header fields. | |
235 | */ | |
b43b13ac UD |
236 | if ((!statp->pfcode) || (statp->pfcode & RES_PRF_HEADX) || rcode) |
237 | fprintf(file, | |
238 | ";; ->>HEADER<<- opcode: %s, status: %s, id: %d\n", | |
239 | _res_opcodes[opcode], p_rcode(rcode), id); | |
240 | if ((!statp->pfcode) || (statp->pfcode & RES_PRF_HEADX)) | |
a2e1b046 | 241 | putc(';', file); |
b43b13ac | 242 | if ((!statp->pfcode) || (statp->pfcode & RES_PRF_HEAD2)) { |
28f540f4 | 243 | fprintf(file, "; flags:"); |
b43b13ac | 244 | if (ns_msg_getflag(handle, ns_f_qr)) |
28f540f4 | 245 | fprintf(file, " qr"); |
b43b13ac | 246 | if (ns_msg_getflag(handle, ns_f_aa)) |
28f540f4 | 247 | fprintf(file, " aa"); |
b43b13ac | 248 | if (ns_msg_getflag(handle, ns_f_tc)) |
28f540f4 | 249 | fprintf(file, " tc"); |
b43b13ac | 250 | if (ns_msg_getflag(handle, ns_f_rd)) |
28f540f4 | 251 | fprintf(file, " rd"); |
b43b13ac | 252 | if (ns_msg_getflag(handle, ns_f_ra)) |
28f540f4 | 253 | fprintf(file, " ra"); |
b43b13ac UD |
254 | if (ns_msg_getflag(handle, ns_f_z)) |
255 | fprintf(file, " ??"); | |
256 | if (ns_msg_getflag(handle, ns_f_ad)) | |
df21c858 | 257 | fprintf(file, " ad"); |
b43b13ac | 258 | if (ns_msg_getflag(handle, ns_f_cd)) |
df21c858 | 259 | fprintf(file, " cd"); |
28f540f4 | 260 | } |
b43b13ac UD |
261 | if ((!statp->pfcode) || (statp->pfcode & RES_PRF_HEAD1)) { |
262 | fprintf(file, "; %s: %d", | |
263 | p_section(ns_s_qd, opcode), qdcount); | |
264 | fprintf(file, ", %s: %d", | |
265 | p_section(ns_s_an, opcode), ancount); | |
266 | fprintf(file, ", %s: %d", | |
267 | p_section(ns_s_ns, opcode), nscount); | |
268 | fprintf(file, ", %s: %d", | |
269 | p_section(ns_s_ar, opcode), arcount); | |
28f540f4 | 270 | } |
0a463fa9 | 271 | if ((!statp->pfcode) || (statp->pfcode & |
28f540f4 RM |
272 | (RES_PRF_HEADX | RES_PRF_HEAD2 | RES_PRF_HEAD1))) { |
273 | putc('\n',file); | |
274 | } | |
275 | /* | |
b43b13ac | 276 | * Print the various sections. |
28f540f4 | 277 | */ |
b43b13ac UD |
278 | do_section(statp, &handle, ns_s_qd, RES_PRF_QUES, file); |
279 | do_section(statp, &handle, ns_s_an, RES_PRF_ANS, file); | |
280 | do_section(statp, &handle, ns_s_ns, RES_PRF_AUTH, file); | |
281 | do_section(statp, &handle, ns_s_ar, RES_PRF_ADD, file); | |
282 | if (qdcount == 0 && ancount == 0 && | |
283 | nscount == 0 && arcount == 0) | |
284 | putc('\n', file); | |
28f540f4 RM |
285 | } |
286 | ||
287 | const u_char * | |
b43b13ac | 288 | p_cdnname(const u_char *cp, const u_char *msg, int len, FILE *file) { |
28f540f4 RM |
289 | char name[MAXDNAME]; |
290 | int n; | |
291 | ||
292 | if ((n = dn_expand(msg, msg + len, cp, name, sizeof name)) < 0) | |
293 | return (NULL); | |
294 | if (name[0] == '\0') | |
295 | putc('.', file); | |
296 | else | |
297 | fputs(name, file); | |
298 | return (cp + n); | |
299 | } | |
6f9d8e68 | 300 | libresolv_hidden_def (p_cdnname) |
28f540f4 RM |
301 | |
302 | const u_char * | |
b43b13ac | 303 | p_cdname(const u_char *cp, const u_char *msg, FILE *file) { |
28f540f4 RM |
304 | return (p_cdnname(cp, msg, PACKETSZ, file)); |
305 | } | |
306 | ||
df21c858 UD |
307 | /* Return a fully-qualified domain name from a compressed name (with |
308 | length supplied). */ | |
309 | ||
310 | const u_char * | |
b43b13ac | 311 | p_fqnname(cp, msg, msglen, name, namelen) |
df21c858 UD |
312 | const u_char *cp, *msg; |
313 | int msglen; | |
314 | char *name; | |
315 | int namelen; | |
316 | { | |
317 | int n, newlen; | |
318 | ||
319 | if ((n = dn_expand(msg, cp + msglen, cp, name, namelen)) < 0) | |
320 | return (NULL); | |
b43b13ac | 321 | newlen = strlen(name); |
3121cc04 | 322 | if (newlen == 0 || name[newlen - 1] != '.') { |
b43b13ac | 323 | if (newlen + 1 >= namelen) /* Lack space for final dot */ |
df21c858 UD |
324 | return (NULL); |
325 | else | |
326 | strcpy(name + newlen, "."); | |
3121cc04 | 327 | } |
df21c858 UD |
328 | return (cp + n); |
329 | } | |
6f9d8e68 | 330 | libresolv_hidden_def (p_fqnname) |
df21c858 | 331 | |
b43b13ac | 332 | /* XXX: the rest of these functions need to become length-limited, too. */ |
28f540f4 RM |
333 | |
334 | const u_char * | |
b43b13ac | 335 | p_fqname(const u_char *cp, const u_char *msg, FILE *file) { |
28f540f4 | 336 | char name[MAXDNAME]; |
df21c858 | 337 | const u_char *n; |
28f540f4 | 338 | |
b43b13ac | 339 | n = p_fqnname(cp, msg, MAXCDNAME, name, sizeof name); |
df21c858 | 340 | if (n == NULL) |
28f540f4 | 341 | return (NULL); |
df21c858 UD |
342 | fputs(name, file); |
343 | return (n); | |
28f540f4 RM |
344 | } |
345 | ||
df21c858 UD |
346 | /* |
347 | * Names of RR classes and qclasses. Classes and qclasses are the same, except | |
348 | * that C_ANY is a qclass but not a class. (You can ask for records of class | |
349 | * C_ANY, but you can't have any records of that class in the database.) | |
350 | */ | |
32738a22 UD |
351 | extern const struct res_sym __p_class_syms[]; |
352 | libresolv_hidden_proto (__p_class_syms) | |
353 | const struct res_sym __p_class_syms[] = { | |
df21c858 UD |
354 | {C_IN, "IN"}, |
355 | {C_CHAOS, "CHAOS"}, | |
356 | {C_HS, "HS"}, | |
357 | {C_HS, "HESIOD"}, | |
358 | {C_ANY, "ANY"}, | |
b43b13ac UD |
359 | {C_NONE, "NONE"}, |
360 | {C_IN, (char *)0} | |
361 | }; | |
32738a22 | 362 | libresolv_hidden_data_def (__p_class_syms) |
b43b13ac UD |
363 | |
364 | /* | |
365 | * Names of message sections. | |
366 | */ | |
6f9d8e68 | 367 | const struct res_sym __p_default_section_syms[] attribute_hidden = { |
b43b13ac UD |
368 | {ns_s_qd, "QUERY"}, |
369 | {ns_s_an, "ANSWER"}, | |
370 | {ns_s_ns, "AUTHORITY"}, | |
371 | {ns_s_ar, "ADDITIONAL"}, | |
372 | {0, (char *)0} | |
373 | }; | |
374 | ||
6f9d8e68 | 375 | const struct res_sym __p_update_section_syms[] attribute_hidden = { |
b43b13ac UD |
376 | {S_ZONE, "ZONE"}, |
377 | {S_PREREQ, "PREREQUISITE"}, | |
378 | {S_UPDATE, "UPDATE"}, | |
379 | {S_ADDT, "ADDITIONAL"}, | |
380 | {0, (char *)0} | |
381 | }; | |
382 | ||
6f9d8e68 | 383 | const struct res_sym __p_key_syms[] attribute_hidden = { |
b43b13ac UD |
384 | {NS_ALG_MD5RSA, "RSA", "RSA KEY with MD5 hash"}, |
385 | {NS_ALG_DH, "DH", "Diffie Hellman"}, | |
386 | {NS_ALG_DSA, "DSA", "Digital Signature Algorithm"}, | |
387 | {NS_ALG_EXPIRE_ONLY, "EXPIREONLY", "No algorithm"}, | |
388 | {NS_ALG_PRIVATE_OID, "PRIVATE", "Algorithm obtained from OID"}, | |
389 | {0, NULL, NULL} | |
390 | }; | |
391 | ||
6f9d8e68 | 392 | const struct res_sym __p_cert_syms[] attribute_hidden = { |
b43b13ac UD |
393 | {cert_t_pkix, "PKIX", "PKIX (X.509v3) Certificate"}, |
394 | {cert_t_spki, "SPKI", "SPKI certificate"}, | |
395 | {cert_t_pgp, "PGP", "PGP certificate"}, | |
396 | {cert_t_url, "URL", "URL Private"}, | |
397 | {cert_t_oid, "OID", "OID Private"}, | |
398 | {0, NULL, NULL} | |
df21c858 UD |
399 | }; |
400 | ||
401 | /* | |
402 | * Names of RR types and qtypes. Types and qtypes are the same, except | |
403 | * that T_ANY is a qtype but not a type. (You can ask for records of type | |
404 | * T_ANY, but you can't have any records of that type in the database.) | |
405 | */ | |
32738a22 UD |
406 | extern const struct res_sym __p_type_syms[]; |
407 | libresolv_hidden_proto (__p_type_syms) | |
408 | const struct res_sym __p_type_syms[] = { | |
b43b13ac UD |
409 | {ns_t_a, "A", "address"}, |
410 | {ns_t_ns, "NS", "name server"}, | |
411 | {ns_t_md, "MD", "mail destination (deprecated)"}, | |
412 | {ns_t_mf, "MF", "mail forwarder (deprecated)"}, | |
413 | {ns_t_cname, "CNAME", "canonical name"}, | |
414 | {ns_t_soa, "SOA", "start of authority"}, | |
415 | {ns_t_mb, "MB", "mailbox"}, | |
416 | {ns_t_mg, "MG", "mail group member"}, | |
417 | {ns_t_mr, "MR", "mail rename"}, | |
418 | {ns_t_null, "NULL", "null"}, | |
419 | {ns_t_wks, "WKS", "well-known service (deprecated)"}, | |
420 | {ns_t_ptr, "PTR", "domain name pointer"}, | |
421 | {ns_t_hinfo, "HINFO", "host information"}, | |
422 | {ns_t_minfo, "MINFO", "mailbox information"}, | |
423 | {ns_t_mx, "MX", "mail exchanger"}, | |
424 | {ns_t_txt, "TXT", "text"}, | |
425 | {ns_t_rp, "RP", "responsible person"}, | |
426 | {ns_t_afsdb, "AFSDB", "DCE or AFS server"}, | |
427 | {ns_t_x25, "X25", "X25 address"}, | |
428 | {ns_t_isdn, "ISDN", "ISDN address"}, | |
429 | {ns_t_rt, "RT", "router"}, | |
430 | {ns_t_nsap, "NSAP", "nsap address"}, | |
431 | {ns_t_nsap_ptr, "NSAP_PTR", "domain name pointer"}, | |
432 | {ns_t_sig, "SIG", "signature"}, | |
433 | {ns_t_key, "KEY", "key"}, | |
434 | {ns_t_px, "PX", "mapping information"}, | |
435 | {ns_t_gpos, "GPOS", "geographical position (withdrawn)"}, | |
436 | {ns_t_aaaa, "AAAA", "IPv6 address"}, | |
437 | {ns_t_loc, "LOC", "location"}, | |
438 | {ns_t_nxt, "NXT", "next valid name (unimplemented)"}, | |
439 | {ns_t_eid, "EID", "endpoint identifier (unimplemented)"}, | |
440 | {ns_t_nimloc, "NIMLOC", "NIMROD locator (unimplemented)"}, | |
441 | {ns_t_srv, "SRV", "server selection"}, | |
442 | {ns_t_atma, "ATMA", "ATM address (unimplemented)"}, | |
443 | {ns_t_tsig, "TSIG", "transaction signature"}, | |
444 | {ns_t_ixfr, "IXFR", "incremental zone transfer"}, | |
445 | {ns_t_axfr, "AXFR", "zone transfer"}, | |
446 | {ns_t_zxfr, "ZXFR", "compressed zone transfer"}, | |
447 | {ns_t_mailb, "MAILB", "mailbox-related data (deprecated)"}, | |
448 | {ns_t_maila, "MAILA", "mail agent (deprecated)"}, | |
449 | {ns_t_naptr, "NAPTR", "URN Naming Authority"}, | |
450 | {ns_t_kx, "KX", "Key Exchange"}, | |
451 | {ns_t_cert, "CERT", "Certificate"}, | |
452 | {ns_t_any, "ANY", "\"any\""}, | |
453 | {0, NULL, NULL} | |
454 | }; | |
32738a22 | 455 | libresolv_hidden_data_def (__p_type_syms) |
b43b13ac UD |
456 | |
457 | /* | |
458 | * Names of DNS rcodes. | |
459 | */ | |
6f9d8e68 | 460 | const struct res_sym __p_rcode_syms[] attribute_hidden = { |
b43b13ac UD |
461 | {ns_r_noerror, "NOERROR", "no error"}, |
462 | {ns_r_formerr, "FORMERR", "format error"}, | |
463 | {ns_r_servfail, "SERVFAIL", "server failed"}, | |
464 | {ns_r_nxdomain, "NXDOMAIN", "no such domain name"}, | |
465 | {ns_r_notimpl, "NOTIMP", "not implemented"}, | |
466 | {ns_r_refused, "REFUSED", "refused"}, | |
467 | {ns_r_yxdomain, "YXDOMAIN", "domain name exists"}, | |
468 | {ns_r_yxrrset, "YXRRSET", "rrset exists"}, | |
469 | {ns_r_nxrrset, "NXRRSET", "rrset doesn't exist"}, | |
470 | {ns_r_notauth, "NOTAUTH", "not authoritative"}, | |
471 | {ns_r_notzone, "NOTZONE", "Not in zone"}, | |
472 | {ns_r_max, "", ""}, | |
473 | {ns_r_badsig, "BADSIG", "bad signature"}, | |
474 | {ns_r_badkey, "BADKEY", "bad key"}, | |
475 | {ns_r_badtime, "BADTIME", "bad time"}, | |
476 | {0, NULL, NULL} | |
df21c858 UD |
477 | }; |
478 | ||
479 | int | |
b43b13ac UD |
480 | sym_ston(const struct res_sym *syms, const char *name, int *success) { |
481 | for ((void)NULL; syms->name != 0; syms++) { | |
df21c858 UD |
482 | if (strcasecmp (name, syms->name) == 0) { |
483 | if (success) | |
484 | *success = 1; | |
485 | return (syms->number); | |
486 | } | |
487 | } | |
488 | if (success) | |
489 | *success = 0; | |
b43b13ac | 490 | return (syms->number); /* The default value. */ |
df21c858 UD |
491 | } |
492 | ||
493 | const char * | |
b43b13ac | 494 | sym_ntos(const struct res_sym *syms, int number, int *success) { |
df21c858 UD |
495 | static char unname[20]; |
496 | ||
b43b13ac | 497 | for ((void)NULL; syms->name != 0; syms++) { |
e685e07d | 498 | if (number == syms->number) { |
df21c858 UD |
499 | if (success) |
500 | *success = 1; | |
501 | return (syms->name); | |
502 | } | |
503 | } | |
504 | ||
b43b13ac | 505 | sprintf(unname, "%d", number); /* XXX nonreentrant */ |
df21c858 UD |
506 | if (success) |
507 | *success = 0; | |
508 | return (unname); | |
509 | } | |
6f9d8e68 | 510 | libresolv_hidden_def (sym_ntos) |
df21c858 | 511 | |
df21c858 | 512 | const char * |
b43b13ac | 513 | sym_ntop(const struct res_sym *syms, int number, int *success) { |
df21c858 UD |
514 | static char unname[20]; |
515 | ||
b43b13ac | 516 | for ((void)NULL; syms->name != 0; syms++) { |
df21c858 UD |
517 | if (number == syms->number) { |
518 | if (success) | |
519 | *success = 1; | |
520 | return (syms->humanname); | |
521 | } | |
522 | } | |
b43b13ac | 523 | sprintf(unname, "%d", number); /* XXX nonreentrant */ |
df21c858 UD |
524 | if (success) |
525 | *success = 0; | |
526 | return (unname); | |
527 | } | |
528 | ||
28f540f4 | 529 | /* |
b43b13ac | 530 | * Return a string for the type. |
28f540f4 RM |
531 | */ |
532 | const char * | |
b43b13ac UD |
533 | p_type(int type) { |
534 | return (sym_ntos(__p_type_syms, type, (int *)0)); | |
28f540f4 | 535 | } |
6f9d8e68 | 536 | libresolv_hidden_def (p_type) |
28f540f4 RM |
537 | |
538 | /* | |
b43b13ac | 539 | * Return a string for the type. |
28f540f4 RM |
540 | */ |
541 | const char * | |
b43b13ac UD |
542 | p_section(int section, int opcode) { |
543 | const struct res_sym *symbols; | |
544 | ||
545 | switch (opcode) { | |
546 | case ns_o_update: | |
547 | symbols = __p_update_section_syms; | |
548 | break; | |
549 | default: | |
550 | symbols = __p_default_section_syms; | |
551 | break; | |
552 | } | |
553 | return (sym_ntos(symbols, section, (int *)0)); | |
554 | } | |
555 | ||
556 | /* | |
557 | * Return a mnemonic for class. | |
558 | */ | |
559 | const char * | |
560 | p_class(int class) { | |
561 | return (sym_ntos(__p_class_syms, class, (int *)0)); | |
28f540f4 | 562 | } |
6f9d8e68 | 563 | libresolv_hidden_def (p_class) |
28f540f4 RM |
564 | |
565 | /* | |
566 | * Return a mnemonic for an option | |
567 | */ | |
568 | const char * | |
b43b13ac | 569 | p_option(u_long option) { |
3d61b63c RM |
570 | static char nbuf[40]; |
571 | ||
28f540f4 RM |
572 | switch (option) { |
573 | case RES_INIT: return "init"; | |
574 | case RES_DEBUG: return "debug"; | |
3d61b63c | 575 | case RES_AAONLY: return "aaonly(unimpl)"; |
28f540f4 | 576 | case RES_USEVC: return "usevc"; |
3d61b63c | 577 | case RES_PRIMARY: return "primry(unimpl)"; |
28f540f4 RM |
578 | case RES_IGNTC: return "igntc"; |
579 | case RES_RECURSE: return "recurs"; | |
580 | case RES_DEFNAMES: return "defnam"; | |
581 | case RES_STAYOPEN: return "styopn"; | |
582 | case RES_DNSRCH: return "dnsrch"; | |
583 | case RES_INSECURE1: return "insecure1"; | |
584 | case RES_INSECURE2: return "insecure2"; | |
ee778b56 UD |
585 | case RES_USE_INET6: return "inet6"; |
586 | case RES_ROTATE: return "rotate"; | |
587 | case RES_NOCHECKNAME: return "no-check-names"; | |
588 | case RES_USEBSTRING: return "ip6-bytstring"; | |
b43b13ac | 589 | /* XXX nonreentrant */ |
3d61b63c RM |
590 | default: sprintf(nbuf, "?0x%lx?", (u_long)option); |
591 | return (nbuf); | |
28f540f4 RM |
592 | } |
593 | } | |
6f9d8e68 | 594 | libresolv_hidden_def (p_option) |
28f540f4 RM |
595 | |
596 | /* | |
b43b13ac | 597 | * Return a mnemonic for a time to live. |
28f540f4 | 598 | */ |
845dcb57 | 599 | const char * |
b43b13ac UD |
600 | p_time(u_int32_t value) { |
601 | static char nbuf[40]; /* XXX nonreentrant */ | |
28f540f4 | 602 | |
b43b13ac UD |
603 | if (ns_format_ttl(value, nbuf, sizeof nbuf) < 0) |
604 | sprintf(nbuf, "%u", value); | |
28f540f4 RM |
605 | return (nbuf); |
606 | } | |
ee188d55 | 607 | |
b43b13ac UD |
608 | /* |
609 | * Return a string for the rcode. | |
610 | */ | |
611 | const char * | |
612 | p_rcode(int rcode) { | |
613 | return (sym_ntos(__p_rcode_syms, rcode, (int *)0)); | |
614 | } | |
6f9d8e68 | 615 | libresolv_hidden_def (p_rcode) |
b43b13ac | 616 | |
ee188d55 RM |
617 | /* |
618 | * routines to convert between on-the-wire RR format and zone file format. | |
619 | * Does not contain conversion to/from decimal degrees; divide or multiply | |
620 | * by 60*60*1000 for that. | |
621 | */ | |
622 | ||
6f9d8e68 UD |
623 | static const unsigned int poweroften[10]= |
624 | { 1, 10, 100, 1000, 10000, 100000, | |
625 | 1000000,10000000,100000000,1000000000}; | |
ee188d55 RM |
626 | |
627 | /* takes an XeY precision/size value, returns a string representation. */ | |
628 | static const char * | |
db0a00d3 | 629 | precsize_ntoa (u_int8_t prec) |
ee188d55 | 630 | { |
b43b13ac | 631 | static char retbuf[sizeof "90000000.00"]; /* XXX nonreentrant */ |
ee188d55 RM |
632 | unsigned long val; |
633 | int mantissa, exponent; | |
634 | ||
635 | mantissa = (int)((prec >> 4) & 0x0f) % 10; | |
636 | exponent = (int)((prec >> 0) & 0x0f) % 10; | |
637 | ||
638 | val = mantissa * poweroften[exponent]; | |
639 | ||
640 | (void) sprintf(retbuf, "%ld.%.2ld", val/100, val%100); | |
641 | return (retbuf); | |
642 | } | |
643 | ||
644 | /* converts ascii size/precision X * 10**Y(cm) to 0xXY. moves pointer. */ | |
645 | static u_int8_t | |
db0a00d3 | 646 | precsize_aton (const char **strptr) |
ee188d55 | 647 | { |
b43b13ac | 648 | unsigned int mval = 0, cmval = 0; |
ee188d55 | 649 | u_int8_t retval = 0; |
0a463fa9 | 650 | const char *cp; |
b43b13ac UD |
651 | int exponent; |
652 | int mantissa; | |
ee188d55 RM |
653 | |
654 | cp = *strptr; | |
655 | ||
b43b13ac UD |
656 | while (isdigit(*cp)) |
657 | mval = mval * 10 + (*cp++ - '0'); | |
658 | ||
659 | if (*cp == '.') { /* centimeters */ | |
ee188d55 RM |
660 | cp++; |
661 | if (isdigit(*cp)) { | |
b43b13ac | 662 | cmval = (*cp++ - '0') * 10; |
ee188d55 | 663 | if (isdigit(*cp)) { |
b43b13ac | 664 | cmval += (*cp++ - '0'); |
ee188d55 RM |
665 | } |
666 | } | |
667 | } | |
b43b13ac UD |
668 | cmval = (mval * 100) + cmval; |
669 | ||
670 | for (exponent = 0; exponent < 9; exponent++) | |
671 | if (cmval < poweroften[exponent+1]) | |
672 | break; | |
673 | ||
674 | mantissa = cmval / poweroften[exponent]; | |
675 | if (mantissa > 9) | |
676 | mantissa = 9; | |
ee188d55 RM |
677 | |
678 | retval = (mantissa << 4) | exponent; | |
b43b13ac | 679 | |
ee188d55 | 680 | *strptr = cp; |
b43b13ac | 681 | |
ee188d55 RM |
682 | return (retval); |
683 | } | |
684 | ||
685 | /* converts ascii lat/lon to unsigned encoded 32-bit number. moves pointer. */ | |
686 | static u_int32_t | |
db0a00d3 | 687 | latlon2ul (const char **latlonstrptr, int *which) |
ee188d55 | 688 | { |
0a463fa9 | 689 | const char *cp; |
ee188d55 RM |
690 | u_int32_t retval; |
691 | int deg = 0, min = 0, secs = 0, secsfrac = 0; | |
692 | ||
693 | cp = *latlonstrptr; | |
694 | ||
695 | while (isdigit(*cp)) | |
696 | deg = deg * 10 + (*cp++ - '0'); | |
697 | ||
698 | while (isspace(*cp)) | |
699 | cp++; | |
700 | ||
701 | if (!(isdigit(*cp))) | |
702 | goto fndhemi; | |
703 | ||
704 | while (isdigit(*cp)) | |
705 | min = min * 10 + (*cp++ - '0'); | |
706 | ||
707 | while (isspace(*cp)) | |
708 | cp++; | |
709 | ||
710 | if (!(isdigit(*cp))) | |
711 | goto fndhemi; | |
712 | ||
713 | while (isdigit(*cp)) | |
714 | secs = secs * 10 + (*cp++ - '0'); | |
715 | ||
716 | if (*cp == '.') { /* decimal seconds */ | |
717 | cp++; | |
718 | if (isdigit(*cp)) { | |
719 | secsfrac = (*cp++ - '0') * 100; | |
720 | if (isdigit(*cp)) { | |
721 | secsfrac += (*cp++ - '0') * 10; | |
722 | if (isdigit(*cp)) { | |
723 | secsfrac += (*cp++ - '0'); | |
724 | } | |
725 | } | |
726 | } | |
727 | } | |
728 | ||
729 | while (!isspace(*cp)) /* if any trailing garbage */ | |
730 | cp++; | |
731 | ||
732 | while (isspace(*cp)) | |
733 | cp++; | |
734 | ||
735 | fndhemi: | |
736 | switch (*cp) { | |
737 | case 'N': case 'n': | |
738 | case 'E': case 'e': | |
739 | retval = ((unsigned)1<<31) | |
740 | + (((((deg * 60) + min) * 60) + secs) * 1000) | |
741 | + secsfrac; | |
742 | break; | |
743 | case 'S': case 's': | |
744 | case 'W': case 'w': | |
745 | retval = ((unsigned)1<<31) | |
746 | - (((((deg * 60) + min) * 60) + secs) * 1000) | |
747 | - secsfrac; | |
748 | break; | |
749 | default: | |
750 | retval = 0; /* invalid value -- indicates error */ | |
751 | break; | |
752 | } | |
753 | ||
754 | switch (*cp) { | |
755 | case 'N': case 'n': | |
756 | case 'S': case 's': | |
757 | *which = 1; /* latitude */ | |
758 | break; | |
759 | case 'E': case 'e': | |
760 | case 'W': case 'w': | |
761 | *which = 2; /* longitude */ | |
762 | break; | |
763 | default: | |
764 | *which = 0; /* error */ | |
765 | break; | |
766 | } | |
767 | ||
768 | cp++; /* skip the hemisphere */ | |
769 | ||
770 | while (!isspace(*cp)) /* if any trailing garbage */ | |
771 | cp++; | |
772 | ||
773 | while (isspace(*cp)) /* move to next field */ | |
774 | cp++; | |
775 | ||
776 | *latlonstrptr = cp; | |
777 | ||
778 | return (retval); | |
779 | } | |
780 | ||
781 | /* converts a zone file representation in a string to an RDATA on-the-wire | |
782 | * representation. */ | |
783 | int | |
784 | loc_aton(ascii, binary) | |
785 | const char *ascii; | |
786 | u_char *binary; | |
787 | { | |
788 | const char *cp, *maxcp; | |
789 | u_char *bcp; | |
790 | ||
791 | u_int32_t latit = 0, longit = 0, alt = 0; | |
792 | u_int32_t lltemp1 = 0, lltemp2 = 0; | |
793 | int altmeters = 0, altfrac = 0, altsign = 1; | |
794 | u_int8_t hp = 0x16; /* default = 1e6 cm = 10000.00m = 10km */ | |
795 | u_int8_t vp = 0x13; /* default = 1e3 cm = 10.00m */ | |
796 | u_int8_t siz = 0x12; /* default = 1e2 cm = 1.00m */ | |
797 | int which1 = 0, which2 = 0; | |
798 | ||
799 | cp = ascii; | |
800 | maxcp = cp + strlen(ascii); | |
801 | ||
802 | lltemp1 = latlon2ul(&cp, &which1); | |
803 | ||
804 | lltemp2 = latlon2ul(&cp, &which2); | |
805 | ||
806 | switch (which1 + which2) { | |
807 | case 3: /* 1 + 2, the only valid combination */ | |
808 | if ((which1 == 1) && (which2 == 2)) { /* normal case */ | |
809 | latit = lltemp1; | |
810 | longit = lltemp2; | |
811 | } else if ((which1 == 2) && (which2 == 1)) { /* reversed */ | |
812 | longit = lltemp1; | |
813 | latit = lltemp2; | |
814 | } else { /* some kind of brokenness */ | |
df21c858 | 815 | return (0); |
ee188d55 RM |
816 | } |
817 | break; | |
818 | default: /* we didn't get one of each */ | |
df21c858 | 819 | return (0); |
ee188d55 RM |
820 | } |
821 | ||
822 | /* altitude */ | |
823 | if (*cp == '-') { | |
824 | altsign = -1; | |
825 | cp++; | |
826 | } | |
0a463fa9 | 827 | |
ee188d55 RM |
828 | if (*cp == '+') |
829 | cp++; | |
830 | ||
831 | while (isdigit(*cp)) | |
832 | altmeters = altmeters * 10 + (*cp++ - '0'); | |
833 | ||
834 | if (*cp == '.') { /* decimal meters */ | |
835 | cp++; | |
836 | if (isdigit(*cp)) { | |
837 | altfrac = (*cp++ - '0') * 10; | |
838 | if (isdigit(*cp)) { | |
839 | altfrac += (*cp++ - '0'); | |
840 | } | |
841 | } | |
842 | } | |
843 | ||
844 | alt = (10000000 + (altsign * (altmeters * 100 + altfrac))); | |
845 | ||
846 | while (!isspace(*cp) && (cp < maxcp)) /* if trailing garbage or m */ | |
847 | cp++; | |
848 | ||
849 | while (isspace(*cp) && (cp < maxcp)) | |
850 | cp++; | |
851 | ||
852 | if (cp >= maxcp) | |
853 | goto defaults; | |
854 | ||
855 | siz = precsize_aton(&cp); | |
0a463fa9 | 856 | |
ee188d55 RM |
857 | while (!isspace(*cp) && (cp < maxcp)) /* if trailing garbage or m */ |
858 | cp++; | |
859 | ||
860 | while (isspace(*cp) && (cp < maxcp)) | |
861 | cp++; | |
862 | ||
863 | if (cp >= maxcp) | |
864 | goto defaults; | |
865 | ||
866 | hp = precsize_aton(&cp); | |
867 | ||
868 | while (!isspace(*cp) && (cp < maxcp)) /* if trailing garbage or m */ | |
869 | cp++; | |
870 | ||
871 | while (isspace(*cp) && (cp < maxcp)) | |
872 | cp++; | |
873 | ||
874 | if (cp >= maxcp) | |
875 | goto defaults; | |
876 | ||
877 | vp = precsize_aton(&cp); | |
878 | ||
879 | defaults: | |
880 | ||
881 | bcp = binary; | |
882 | *bcp++ = (u_int8_t) 0; /* version byte */ | |
883 | *bcp++ = siz; | |
884 | *bcp++ = hp; | |
885 | *bcp++ = vp; | |
886 | PUTLONG(latit,bcp); | |
887 | PUTLONG(longit,bcp); | |
888 | PUTLONG(alt,bcp); | |
0a463fa9 | 889 | |
ee188d55 RM |
890 | return (16); /* size of RR in octets */ |
891 | } | |
892 | ||
893 | /* takes an on-the-wire LOC RR and formats it in a human readable format. */ | |
845dcb57 | 894 | const char * |
ee188d55 RM |
895 | loc_ntoa(binary, ascii) |
896 | const u_char *binary; | |
897 | char *ascii; | |
898 | { | |
a334319f | 899 | static char *error = "?"; |
b43b13ac UD |
900 | static char tmpbuf[sizeof |
901 | "1000 60 60.000 N 1000 60 60.000 W -12345678.00m 90000000.00m 90000000.00m 90000000.00m"]; | |
902 | const u_char *cp = binary; | |
ee188d55 RM |
903 | |
904 | int latdeg, latmin, latsec, latsecfrac; | |
905 | int longdeg, longmin, longsec, longsecfrac; | |
906 | char northsouth, eastwest; | |
907 | int altmeters, altfrac, altsign; | |
908 | ||
b43b13ac | 909 | const u_int32_t referencealt = 100000 * 100; |
ee188d55 RM |
910 | |
911 | int32_t latval, longval, altval; | |
912 | u_int32_t templ; | |
913 | u_int8_t sizeval, hpval, vpval, versionval; | |
0a463fa9 | 914 | |
ee188d55 RM |
915 | char *sizestr, *hpstr, *vpstr; |
916 | ||
917 | versionval = *cp++; | |
918 | ||
b43b13ac UD |
919 | if (ascii == NULL) |
920 | ascii = tmpbuf; | |
921 | ||
ee188d55 | 922 | if (versionval) { |
b43b13ac | 923 | (void) sprintf(ascii, "; error: unknown LOC RR version"); |
ee188d55 RM |
924 | return (ascii); |
925 | } | |
926 | ||
927 | sizeval = *cp++; | |
928 | ||
929 | hpval = *cp++; | |
930 | vpval = *cp++; | |
931 | ||
932 | GETLONG(templ, cp); | |
933 | latval = (templ - ((unsigned)1<<31)); | |
934 | ||
935 | GETLONG(templ, cp); | |
936 | longval = (templ - ((unsigned)1<<31)); | |
937 | ||
938 | GETLONG(templ, cp); | |
b43b13ac | 939 | if (templ < referencealt) { /* below WGS 84 spheroid */ |
ee188d55 RM |
940 | altval = referencealt - templ; |
941 | altsign = -1; | |
942 | } else { | |
943 | altval = templ - referencealt; | |
944 | altsign = 1; | |
945 | } | |
946 | ||
947 | if (latval < 0) { | |
948 | northsouth = 'S'; | |
949 | latval = -latval; | |
950 | } else | |
951 | northsouth = 'N'; | |
952 | ||
953 | latsecfrac = latval % 1000; | |
954 | latval = latval / 1000; | |
955 | latsec = latval % 60; | |
956 | latval = latval / 60; | |
957 | latmin = latval % 60; | |
958 | latval = latval / 60; | |
959 | latdeg = latval; | |
960 | ||
961 | if (longval < 0) { | |
962 | eastwest = 'W'; | |
963 | longval = -longval; | |
964 | } else | |
965 | eastwest = 'E'; | |
966 | ||
967 | longsecfrac = longval % 1000; | |
968 | longval = longval / 1000; | |
969 | longsec = longval % 60; | |
970 | longval = longval / 60; | |
971 | longmin = longval % 60; | |
972 | longval = longval / 60; | |
973 | longdeg = longval; | |
974 | ||
975 | altfrac = altval % 100; | |
976 | altmeters = (altval / 100) * altsign; | |
977 | ||
978 | if ((sizestr = strdup(precsize_ntoa(sizeval))) == NULL) | |
a334319f | 979 | sizestr = error; |
ee188d55 | 980 | if ((hpstr = strdup(precsize_ntoa(hpval))) == NULL) |
a334319f | 981 | hpstr = error; |
ee188d55 | 982 | if ((vpstr = strdup(precsize_ntoa(vpval))) == NULL) |
a334319f | 983 | vpstr = error; |
ee188d55 RM |
984 | |
985 | sprintf(ascii, | |
986 | "%d %.2d %.2d.%.3d %c %d %.2d %.2d.%.3d %c %d.%.2dm %sm %sm %sm", | |
987 | latdeg, latmin, latsec, latsecfrac, northsouth, | |
988 | longdeg, longmin, longsec, longsecfrac, eastwest, | |
989 | altmeters, altfrac, sizestr, hpstr, vpstr); | |
990 | ||
a334319f | 991 | if (sizestr != error) |
ee188d55 | 992 | free(sizestr); |
a334319f | 993 | if (hpstr != error) |
ee188d55 | 994 | free(hpstr); |
a334319f | 995 | if (vpstr != error) |
ee188d55 RM |
996 | free(vpstr); |
997 | ||
998 | return (ascii); | |
999 | } | |
6f9d8e68 | 1000 | libresolv_hidden_def (loc_ntoa) |
df21c858 UD |
1001 | |
1002 | ||
1003 | /* Return the number of DNS hierarchy levels in the name. */ | |
1004 | int | |
b43b13ac | 1005 | dn_count_labels(const char *name) { |
df21c858 UD |
1006 | int i, len, count; |
1007 | ||
1008 | len = strlen(name); | |
b43b13ac UD |
1009 | for (i = 0, count = 0; i < len; i++) { |
1010 | /* XXX need to check for \. or use named's nlabels(). */ | |
df21c858 UD |
1011 | if (name[i] == '.') |
1012 | count++; | |
1013 | } | |
1014 | ||
1015 | /* don't count initial wildcard */ | |
1016 | if (name[0] == '*') | |
1017 | if (count) | |
1018 | count--; | |
1019 | ||
1020 | /* don't count the null label for root. */ | |
1021 | /* if terminating '.' not found, must adjust */ | |
1022 | /* count to include last label */ | |
1023 | if (len > 0 && name[len-1] != '.') | |
1024 | count++; | |
1025 | return (count); | |
1026 | } | |
1027 | ||
1028 | ||
0a463fa9 RM |
1029 | /* |
1030 | * Make dates expressed in seconds-since-Jan-1-1970 easy to read. | |
df21c858 UD |
1031 | * SIG records are required to be printed like this, by the Secure DNS RFC. |
1032 | */ | |
1033 | char * | |
b43b13ac UD |
1034 | p_secstodate (u_long secs) { |
1035 | /* XXX nonreentrant */ | |
1036 | static char output[15]; /* YYYYMMDDHHMMSS and null */ | |
df21c858 | 1037 | time_t clock = secs; |
b43b13ac | 1038 | struct tm *time; |
0a463fa9 | 1039 | |
b43b13ac | 1040 | #ifdef HAVE_TIME_R |
e685e07d | 1041 | struct tm timebuf; |
0a463fa9 | 1042 | |
b43b13ac UD |
1043 | time = gmtime_r(&clock, &timebuf); |
1044 | #else | |
1045 | time = gmtime(&clock); | |
1046 | #endif | |
1047 | time->tm_year += 1900; | |
1048 | time->tm_mon += 1; | |
df21c858 | 1049 | sprintf(output, "%04d%02d%02d%02d%02d%02d", |
b43b13ac UD |
1050 | time->tm_year, time->tm_mon, time->tm_mday, |
1051 | time->tm_hour, time->tm_min, time->tm_sec); | |
df21c858 UD |
1052 | return (output); |
1053 | } |