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-rw-r--r--src/lib/libc/net/res_debug.c1443
1 files changed, 1106 insertions, 337 deletions
diff --git a/src/lib/libc/net/res_debug.c b/src/lib/libc/net/res_debug.c
index d841293f18..c2725395a0 100644
--- a/src/lib/libc/net/res_debug.c
+++ b/src/lib/libc/net/res_debug.c
@@ -1,9 +1,11 @@
1/* $NetBSD: res_debug.c,v 1.7 1995/02/25 06:20:56 cgd Exp $ */ 1/* $OpenBSD: res_debug.c,v 1.9 1998/03/19 00:30:06 millert Exp $ */
2 2
3/*- 3/*
4 * ++Copyright++ 1985, 1990, 1993
5 * -
4 * Copyright (c) 1985, 1990, 1993 6 * Copyright (c) 1985, 1990, 1993
5 * The Regents of the University of California. All rights reserved. 7 * The Regents of the University of California. All rights reserved.
6 * 8 *
7 * Redistribution and use in source and binary forms, with or without 9 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions 10 * modification, are permitted provided that the following conditions
9 * are met: 11 * are met:
@@ -50,174 +52,185 @@
50 * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS 52 * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
51 * SOFTWARE. 53 * SOFTWARE.
52 * - 54 * -
55 * Portions Copyright (c) 1995 by International Business Machines, Inc.
56 *
57 * International Business Machines, Inc. (hereinafter called IBM) grants
58 * permission under its copyrights to use, copy, modify, and distribute this
59 * Software with or without fee, provided that the above copyright notice and
60 * all paragraphs of this notice appear in all copies, and that the name of IBM
61 * not be used in connection with the marketing of any product incorporating
62 * the Software or modifications thereof, without specific, written prior
63 * permission.
64 *
65 * To the extent it has a right to do so, IBM grants an immunity from suit
66 * under its patents, if any, for the use, sale or manufacture of products to
67 * the extent that such products are used for performing Domain Name System
68 * dynamic updates in TCP/IP networks by means of the Software. No immunity is
69 * granted for any product per se or for any other function of any product.
70 *
71 * THE SOFTWARE IS PROVIDED "AS IS", AND IBM DISCLAIMS ALL WARRANTIES,
72 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
73 * PARTICULAR PURPOSE. IN NO EVENT SHALL IBM BE LIABLE FOR ANY SPECIAL,
74 * DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER ARISING
75 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE, EVEN
76 * IF IBM IS APPRISED OF THE POSSIBILITY OF SUCH DAMAGES.
53 * --Copyright-- 77 * --Copyright--
54 */ 78 */
55 79
56#if defined(LIBC_SCCS) && !defined(lint) 80#if defined(LIBC_SCCS) && !defined(lint)
57#if 0 81#if 0
58static char sccsid[] = "@(#)res_debug.c 8.1 (Berkeley) 6/4/93"; 82static char sccsid[] = "@(#)res_debug.c 8.1 (Berkeley) 6/4/93";
83static char rcsid[] = "$From: res_debug.c,v 8.19 1996/11/26 10:11:23 vixie Exp $";
59#else 84#else
60static char rcsid[] = "$NetBSD: res_debug.c,v 1.7 1995/02/25 06:20:56 cgd Exp $"; 85static char rcsid[] = "$OpenBSD: res_debug.c,v 1.9 1998/03/19 00:30:06 millert Exp $";
61#endif 86#endif
62#endif /* LIBC_SCCS and not lint */ 87#endif /* LIBC_SCCS and not lint */
63 88
64#include <sys/param.h> 89#include <sys/param.h>
90#include <sys/types.h>
91#include <sys/socket.h>
65#include <netinet/in.h> 92#include <netinet/in.h>
66#include <arpa/inet.h> 93#include <arpa/inet.h>
67#include <arpa/nameser.h> 94#include <arpa/nameser.h>
95
96#include <ctype.h>
97#include <netdb.h>
68#include <resolv.h> 98#include <resolv.h>
69#include <stdio.h> 99#include <stdio.h>
70#include <string.h> 100#include <time.h>
71 101
72void __fp_query(); 102#include <stdlib.h>
73char *__p_class(), *__p_time(), *__p_type(); 103#include <string.h>
74char *p_cdname(), *p_fqname(), *p_rr();
75static char *p_option __P((u_int32_t));
76
77char *_res_opcodes[] = {
78 "QUERY",
79 "IQUERY",
80 "CQUERYM",
81 "CQUERYU",
82 "4",
83 "5",
84 "6",
85 "7",
86 "8",
87 "UPDATEA",
88 "UPDATED",
89 "UPDATEDA",
90 "UPDATEM",
91 "UPDATEMA",
92 "ZONEINIT",
93 "ZONEREF",
94};
95
96char *_res_resultcodes[] = {
97 "NOERROR",
98 "FORMERR",
99 "SERVFAIL",
100 "NXDOMAIN",
101 "NOTIMP",
102 "REFUSED",
103 "6",
104 "7",
105 "8",
106 "9",
107 "10",
108 "11",
109 "12",
110 "13",
111 "14",
112 "NOCHANGE",
113};
114 104
115static char retbuf[16]; 105extern const char *_res_opcodes[];
106extern const char *_res_resultcodes[];
116 107
117static char * 108/* XXX: we should use getservbyport() instead. */
109static const char *
118dewks(wks) 110dewks(wks)
119 int wks; 111 int wks;
120{ 112{
113 static char nbuf[20];
114
121 switch (wks) { 115 switch (wks) {
122 case 5: return("rje"); 116 case 5: return "rje";
123 case 7: return("echo"); 117 case 7: return "echo";
124 case 9: return("discard"); 118 case 9: return "discard";
125 case 11: return("systat"); 119 case 11: return "systat";
126 case 13: return("daytime"); 120 case 13: return "daytime";
127 case 15: return("netstat"); 121 case 15: return "netstat";
128 case 17: return("qotd"); 122 case 17: return "qotd";
129 case 19: return("chargen"); 123 case 19: return "chargen";
130 case 20: return("ftp-data"); 124 case 20: return "ftp-data";
131 case 21: return("ftp"); 125 case 21: return "ftp";
132 case 23: return("telnet"); 126 case 23: return "telnet";
133 case 25: return("smtp"); 127 case 25: return "smtp";
134 case 37: return("time"); 128 case 37: return "time";
135 case 39: return("rlp"); 129 case 39: return "rlp";
136 case 42: return("name"); 130 case 42: return "name";
137 case 43: return("whois"); 131 case 43: return "whois";
138 case 53: return("domain"); 132 case 53: return "domain";
139 case 57: return("apts"); 133 case 57: return "apts";
140 case 59: return("apfs"); 134 case 59: return "apfs";
141 case 67: return("bootps"); 135 case 67: return "bootps";
142 case 68: return("bootpc"); 136 case 68: return "bootpc";
143 case 69: return("tftp"); 137 case 69: return "tftp";
144 case 77: return("rje"); 138 case 77: return "rje";
145 case 79: return("finger"); 139 case 79: return "finger";
146 case 87: return("link"); 140 case 87: return "link";
147 case 95: return("supdup"); 141 case 95: return "supdup";
148 case 100: return("newacct"); 142 case 100: return "newacct";
149 case 101: return("hostnames"); 143 case 101: return "hostnames";
150 case 102: return("iso-tsap"); 144 case 102: return "iso-tsap";
151 case 103: return("x400"); 145 case 103: return "x400";
152 case 104: return("x400-snd"); 146 case 104: return "x400-snd";
153 case 105: return("csnet-ns"); 147 case 105: return "csnet-ns";
154 case 109: return("pop-2"); 148 case 109: return "pop-2";
155 case 111: return("sunrpc"); 149 case 111: return "sunrpc";
156 case 113: return("auth"); 150 case 113: return "auth";
157 case 115: return("sftp"); 151 case 115: return "sftp";
158 case 117: return("uucp-path"); 152 case 117: return "uucp-path";
159 case 119: return("nntp"); 153 case 119: return "nntp";
160 case 121: return("erpc"); 154 case 121: return "erpc";
161 case 123: return("ntp"); 155 case 123: return "ntp";
162 case 133: return("statsrv"); 156 case 133: return "statsrv";
163 case 136: return("profile"); 157 case 136: return "profile";
164 case 144: return("NeWS"); 158 case 144: return "NeWS";
165 case 161: return("snmp"); 159 case 161: return "snmp";
166 case 162: return("snmp-trap"); 160 case 162: return "snmp-trap";
167 case 170: return("print-srv"); 161 case 170: return "print-srv";
168 default: (void) sprintf(retbuf, "%d", wks); return(retbuf); 162 default: (void) sprintf(nbuf, "%d", wks); return (nbuf);
169 } 163 }
170} 164}
171 165
172static char * 166/* XXX: we should use getprotobynumber() instead. */
167static const char *
173deproto(protonum) 168deproto(protonum)
174 int protonum; 169 int protonum;
175{ 170{
171 static char nbuf[20];
172
176 switch (protonum) { 173 switch (protonum) {
177 case 1: return("icmp"); 174 case 1: return "icmp";
178 case 2: return("igmp"); 175 case 2: return "igmp";
179 case 3: return("ggp"); 176 case 3: return "ggp";
180 case 5: return("st"); 177 case 5: return "st";
181 case 6: return("tcp"); 178 case 6: return "tcp";
182 case 7: return("ucl"); 179 case 7: return "ucl";
183 case 8: return("egp"); 180 case 8: return "egp";
184 case 9: return("igp"); 181 case 9: return "igp";
185 case 11: return("nvp-II"); 182 case 11: return "nvp-II";
186 case 12: return("pup"); 183 case 12: return "pup";
187 case 16: return("chaos"); 184 case 16: return "chaos";
188 case 17: return("udp"); 185 case 17: return "udp";
189 default: (void) sprintf(retbuf, "%d", protonum); return(retbuf); 186 default: (void) sprintf(nbuf, "%d", protonum); return (nbuf);
190 } 187 }
191} 188}
192 189
193static char * 190static const u_char *
194do_rrset(msg, cp, cnt, pflag, file, hs) 191do_rrset(msg, len, cp, cnt, pflag, file, hs)
195 int cnt, pflag; 192 int cnt, pflag, len;
196 char *cp,*msg, *hs; 193 const u_char *cp, *msg;
194 const char *hs;
197 FILE *file; 195 FILE *file;
198{ 196{
199 int n; 197 int n;
200 int sflag; 198 int sflag;
199
201 /* 200 /*
202 * Print answer records 201 * Print answer records.
203 */ 202 */
204 sflag = (_res.pfcode & pflag); 203 sflag = (_res.pfcode & pflag);
205 if (n = ntohs(cnt)) { 204 if ((n = ntohs(cnt))) {
206 if ((!_res.pfcode) || ((sflag) && (_res.pfcode & RES_PRF_HEAD1))) 205 if ((!_res.pfcode) ||
206 ((sflag) && (_res.pfcode & RES_PRF_HEAD1)))
207 fprintf(file, hs); 207 fprintf(file, hs);
208 while (--n >= 0) { 208 while (--n >= 0) {
209 cp = p_rr(cp, msg, file); 209 if ((!_res.pfcode) || sflag) {
210 if ((cp-msg) > PACKETSZ) 210 cp = p_rr(cp, msg, file);
211 } else {
212 unsigned int dlen;
213 cp += __dn_skipname(cp, cp + MAXCDNAME);
214 cp += INT16SZ;
215 cp += INT16SZ;
216 cp += INT32SZ;
217 dlen = _getshort((u_char*)cp);
218 cp += INT16SZ;
219 cp += dlen;
220 }
221 if ((cp - msg) > len)
211 return (NULL); 222 return (NULL);
212 } 223 }
213 if ((!_res.pfcode) || ((sflag) && (_res.pfcode & RES_PRF_HEAD1))) 224 if ((!_res.pfcode) ||
225 ((sflag) && (_res.pfcode & RES_PRF_HEAD1)))
214 putc('\n', file); 226 putc('\n', file);
215 } 227 }
216 return(cp); 228 return (cp);
217} 229}
218 230
231void
219__p_query(msg) 232__p_query(msg)
220 char *msg; 233 const u_char *msg;
221{ 234{
222 __fp_query(msg, stdout); 235 __fp_query(msg, stdout);
223} 236}
@@ -231,15 +244,14 @@ __fp_resstat(statp, file)
231 struct __res_state *statp; 244 struct __res_state *statp;
232 FILE *file; 245 FILE *file;
233{ 246{
234 int bit; 247 register u_long mask;
235 248
236 fprintf(file, ";; res options:"); 249 fprintf(file, ";; res options:");
237 if (!statp) 250 if (!statp)
238 statp = &_res; 251 statp = &_res;
239 for (bit = 0; bit < 32; bit++) { /* XXX 32 - bad assumption! */ 252 for (mask = 1; mask != 0; mask <<= 1)
240 if (statp->options & (1<<bit)) 253 if (statp->options & mask)
241 fprintf(file, " %s", p_option(1<<bit)); 254 fprintf(file, " %s", p_option(mask));
242 }
243 putc('\n', file); 255 putc('\n', file);
244} 256}
245 257
@@ -248,109 +260,151 @@ __fp_resstat(statp, file)
248 * This is intended to be primarily a debugging routine. 260 * This is intended to be primarily a debugging routine.
249 */ 261 */
250void 262void
251__fp_query(msg,file) 263__fp_nquery(msg, len, file)
252 char *msg; 264 const u_char *msg;
265 int len;
253 FILE *file; 266 FILE *file;
254{ 267{
255 register char *cp; 268 register const u_char *cp, *endMark;
256 register HEADER *hp; 269 register const HEADER *hp;
257 register int n; 270 register int n;
258 271
272 if ((_res.options & RES_INIT) == 0 && res_init() == -1)
273 return;
274
275#define TruncTest(x) if (x > endMark) goto trunc
276#define ErrorTest(x) if (x == NULL) goto error
277
259 /* 278 /*
260 * Print header fields. 279 * Print header fields.
261 */ 280 */
262 hp = (HEADER *)msg; 281 hp = (HEADER *)msg;
263 cp = msg + sizeof(HEADER); 282 cp = msg + HFIXEDSZ;
283 endMark = msg + len;
264 if ((!_res.pfcode) || (_res.pfcode & RES_PRF_HEADX) || hp->rcode) { 284 if ((!_res.pfcode) || (_res.pfcode & RES_PRF_HEADX) || hp->rcode) {
265 fprintf(file,";; ->>HEADER<<- opcode: %s, status: %s, id: %d", 285 fprintf(file, ";; ->>HEADER<<- opcode: %s, status: %s, id: %d",
266 _res_opcodes[hp->opcode], 286 _res_opcodes[hp->opcode],
267 _res_resultcodes[hp->rcode], 287 _res_resultcodes[hp->rcode],
268 ntohs(hp->id)); 288 ntohs(hp->id));
269 putc('\n', file); 289 putc('\n', file);
270 } 290 }
271 putc(';', file); 291 if ((!_res.pfcode) || (_res.pfcode & RES_PRF_HEADX))
292 putc(';', file);
272 if ((!_res.pfcode) || (_res.pfcode & RES_PRF_HEAD2)) { 293 if ((!_res.pfcode) || (_res.pfcode & RES_PRF_HEAD2)) {
273 fprintf(file,"; flags:"); 294 fprintf(file, "; flags:");
274 if (hp->qr) 295 if (hp->qr)
275 fprintf(file," qr"); 296 fprintf(file, " qr");
276 if (hp->aa) 297 if (hp->aa)
277 fprintf(file," aa"); 298 fprintf(file, " aa");
278 if (hp->tc) 299 if (hp->tc)
279 fprintf(file," tc"); 300 fprintf(file, " tc");
280 if (hp->rd) 301 if (hp->rd)
281 fprintf(file," rd"); 302 fprintf(file, " rd");
282 if (hp->ra) 303 if (hp->ra)
283 fprintf(file," ra"); 304 fprintf(file, " ra");
284 if (hp->pr) 305 if (hp->unused)
285 fprintf(file," pr"); 306 fprintf(file, " UNUSED-BIT-ON");
307 if (hp->ad)
308 fprintf(file, " ad");
309 if (hp->cd)
310 fprintf(file, " cd");
286 } 311 }
287 if ((!_res.pfcode) || (_res.pfcode & RES_PRF_HEAD1)) { 312 if ((!_res.pfcode) || (_res.pfcode & RES_PRF_HEAD1)) {
288 fprintf(file,"; Ques: %d", ntohs(hp->qdcount)); 313 fprintf(file, "; Ques: %d", ntohs(hp->qdcount));
289 fprintf(file,", Ans: %d", ntohs(hp->ancount)); 314 fprintf(file, ", Ans: %d", ntohs(hp->ancount));
290 fprintf(file,", Auth: %d", ntohs(hp->nscount)); 315 fprintf(file, ", Auth: %d", ntohs(hp->nscount));
291 fprintf(file,", Addit: %d\n", ntohs(hp->arcount)); 316 fprintf(file, ", Addit: %d", ntohs(hp->arcount));
292 } 317 }
293#if 0 318 if ((!_res.pfcode) || (_res.pfcode &
294 if (_res.pfcode & (RES_PRF_HEADX | RES_PRF_HEAD2 | RES_PRF_HEAD1)) { 319 (RES_PRF_HEADX | RES_PRF_HEAD2 | RES_PRF_HEAD1))) {
295 putc('\n',file); 320 putc('\n',file);
296 } 321 }
297#endif
298 /* 322 /*
299 * Print question records. 323 * Print question records.
300 */ 324 */
301 if (n = ntohs(hp->qdcount)) { 325 if ((n = ntohs(hp->qdcount))) {
302 if ((!_res.pfcode) || (_res.pfcode & RES_PRF_QUES)) 326 if ((!_res.pfcode) || (_res.pfcode & RES_PRF_QUES))
303 fprintf(file,";; QUESTIONS:\n"); 327 fprintf(file, ";; QUESTIONS:\n");
304 while (--n >= 0) { 328 while (--n >= 0) {
305 fprintf(file,";;\t"); 329 if ((!_res.pfcode) || (_res.pfcode & RES_PRF_QUES))
306 cp = p_cdname(cp, msg, file); 330 fprintf(file, ";;\t");
307 if (cp == NULL) 331 TruncTest(cp);
308 return; 332 if ((!_res.pfcode) || (_res.pfcode & RES_PRF_QUES))
333 cp = p_cdnname(cp, msg, len, file);
334 else {
335 int n;
336 char name[MAXDNAME];
337
338 if ((n = dn_expand(msg, msg+len, cp, name,
339 sizeof name)) < 0)
340 cp = NULL;
341 else
342 cp += n;
343 }
344 ErrorTest(cp);
345 TruncTest(cp);
309 if ((!_res.pfcode) || (_res.pfcode & RES_PRF_QUES)) 346 if ((!_res.pfcode) || (_res.pfcode & RES_PRF_QUES))
310 fprintf(file, ", type = %s", 347 fprintf(file, ", type = %s",
311 __p_type(_getshort(cp))); 348 __p_type(_getshort((u_char*)cp)));
312 cp += sizeof(u_int16_t); 349 cp += INT16SZ;
350 TruncTest(cp);
313 if ((!_res.pfcode) || (_res.pfcode & RES_PRF_QUES)) 351 if ((!_res.pfcode) || (_res.pfcode & RES_PRF_QUES))
314 fprintf(file, ", class = %s\n\n", 352 fprintf(file, ", class = %s\n",
315 __p_class(_getshort(cp))); 353 __p_class(_getshort((u_char*)cp)));
316 cp += sizeof(u_int16_t); 354 cp += INT16SZ;
355 if ((!_res.pfcode) || (_res.pfcode & RES_PRF_QUES))
356 putc('\n', file);
317 } 357 }
318 } 358 }
319 /* 359 /*
320 * Print authoritative answer records 360 * Print authoritative answer records
321 */ 361 */
322 cp = do_rrset(msg, cp, hp->ancount, RES_PRF_ANS, file, 362 TruncTest(cp);
363 cp = do_rrset(msg, len, cp, hp->ancount, RES_PRF_ANS, file,
323 ";; ANSWERS:\n"); 364 ";; ANSWERS:\n");
324 if (cp == NULL) 365 ErrorTest(cp);
325 return;
326 366
327 /* 367 /*
328 * print name server records 368 * print name server records
329 */ 369 */
330 cp = do_rrset(msg, cp, hp->nscount, RES_PRF_AUTH, file, 370 TruncTest(cp);
371 cp = do_rrset(msg, len, cp, hp->nscount, RES_PRF_AUTH, file,
331 ";; AUTHORITY RECORDS:\n"); 372 ";; AUTHORITY RECORDS:\n");
332 if (!cp) 373 ErrorTest(cp);
333 return;
334 374
375 TruncTest(cp);
335 /* 376 /*
336 * print additional records 377 * print additional records
337 */ 378 */
338 cp = do_rrset(msg, cp, hp->arcount, RES_PRF_ADD, file, 379 cp = do_rrset(msg, len, cp, hp->arcount, RES_PRF_ADD, file,
339 ";; ADDITIONAL RECORDS:\n"); 380 ";; ADDITIONAL RECORDS:\n");
340 if (!cp) 381 ErrorTest(cp);
341 return; 382 return;
383 trunc:
384 fprintf(file, "\n;; ...truncated\n");
385 return;
386 error:
387 fprintf(file, "\n;; ...malformed\n");
342} 388}
343 389
344char * 390void
345p_cdname(cp, msg, file) 391__fp_query(msg, file)
346 char *cp, *msg; 392 const u_char *msg;
393 FILE *file;
394{
395 fp_nquery(msg, PACKETSZ, file);
396}
397
398const u_char *
399__p_cdnname(cp, msg, len, file)
400 const u_char *cp, *msg;
401 int len;
347 FILE *file; 402 FILE *file;
348{ 403{
349 char name[MAXDNAME]; 404 char name[MAXDNAME];
350 int n; 405 int n;
351 406
352 if ((n = dn_expand((u_char *)msg, (u_char *)cp + MAXCDNAME, 407 if ((n = dn_expand(msg, msg + len, cp, name, sizeof name)) < 0)
353 (u_char *)cp, (u_char *)name, sizeof(name))) < 0)
354 return (NULL); 408 return (NULL);
355 if (name[0] == '\0') 409 if (name[0] == '\0')
356 putc('.', file); 410 putc('.', file);
@@ -359,54 +413,94 @@ p_cdname(cp, msg, file)
359 return (cp + n); 413 return (cp + n);
360} 414}
361 415
362char * 416const u_char *
363p_fqname(cp, msg, file) 417__p_cdname(cp, msg, file)
364 char *cp, *msg; 418 const u_char *cp, *msg;
365 FILE *file; 419 FILE *file;
366{ 420{
367 char name[MAXDNAME]; 421 return (p_cdnname(cp, msg, PACKETSZ, file));
368 int n, len; 422}
369 423
370 if ((n = dn_expand((u_char *)msg, (u_char *)cp + MAXCDNAME, 424
371 (u_char *)cp, (u_char *)name, sizeof(name))) < 0) 425/* Return a fully-qualified domain name from a compressed name (with
426 length supplied). */
427
428const u_char *
429__p_fqnname(cp, msg, msglen, name, namelen)
430 const u_char *cp, *msg;
431 int msglen;
432 char *name;
433 int namelen;
434{
435 int n, newlen;
436
437 if ((n = dn_expand(msg, cp + msglen, cp, name, namelen)) < 0)
372 return (NULL); 438 return (NULL);
373 if (name[0] == '\0') { 439 newlen = strlen (name);
374 putc('.', file); 440 if (newlen == 0 || name[newlen - 1] != '.') {
375 } else { 441 if (newlen+1 >= namelen) /* Lack space for final dot */
376 fputs(name, file); 442 return (NULL);
377 if (name[strlen(name) - 1] != '.') 443 else
378 putc('.', file); 444 strcpy(name + newlen, ".");
379 } 445 }
380 return (cp + n); 446 return (cp + n);
381} 447}
382 448
449/* XXX: the rest of these functions need to become length-limited, too. (vix)
450 */
451
452const u_char *
453__p_fqname(cp, msg, file)
454 const u_char *cp, *msg;
455 FILE *file;
456{
457 char name[MAXDNAME];
458 const u_char *n;
459
460 n = __p_fqnname(cp, msg, MAXCDNAME, name, sizeof name);
461 if (n == NULL)
462 return (NULL);
463 fputs(name, file);
464 return (n);
465}
466
383/* 467/*
384 * Print resource record fields in human readable form. 468 * Print resource record fields in human readable form.
385 */ 469 */
386char * 470const u_char *
387p_rr(cp, msg, file) 471__p_rr(cp, msg, file)
388 char *cp, *msg; 472 const u_char *cp, *msg;
389 FILE *file; 473 FILE *file;
390{ 474{
391 int type, class, dlen, n, c; 475 int type, class, dlen, n, c;
392 struct in_addr inaddr; 476 struct in_addr inaddr;
393 char *cp1, *cp2; 477 const u_char *cp1, *cp2;
394 u_int32_t tmpttl, t; 478 u_int32_t tmpttl, t;
395 int lcnt; 479 int lcnt;
480 u_int16_t keyflags;
481 char rrname[MAXDNAME]; /* The fqdn of this RR */
482 char base64_key[MAX_KEY_BASE64];
396 483
397 if ((cp = p_fqname(cp, msg, file)) == NULL) 484 if ((_res.options & RES_INIT) == 0 && res_init() == -1) {
485 h_errno = NETDB_INTERNAL;
486 return (NULL);
487 }
488 cp = __p_fqnname(cp, msg, MAXCDNAME, rrname, sizeof rrname);
489 if (!cp)
398 return (NULL); /* compression error */ 490 return (NULL); /* compression error */
399 type = _getshort(cp); 491 fputs(rrname, file);
400 cp += sizeof(u_int16_t); 492
401 class = _getshort(cp); 493 type = _getshort((u_char*)cp);
402 cp += sizeof(u_int16_t); 494 cp += INT16SZ;
403 tmpttl = _getlong(cp); 495 class = _getshort((u_char*)cp);
404 cp += sizeof(u_int32_t); 496 cp += INT16SZ;
405 dlen = _getshort(cp); 497 tmpttl = _getlong((u_char*)cp);
406 cp += sizeof(u_int16_t); 498 cp += INT32SZ;
499 dlen = _getshort((u_char*)cp);
500 cp += INT16SZ;
407 cp1 = cp; 501 cp1 = cp;
408 if ((!_res.pfcode) || (_res.pfcode & RES_PRF_TTLID)) 502 if ((!_res.pfcode) || (_res.pfcode & RES_PRF_TTLID))
409 fprintf(file, "\t%lu", tmpttl); 503 fprintf(file, "\t%lu", (u_long)tmpttl);
410 if ((!_res.pfcode) || (_res.pfcode & RES_PRF_CLASS)) 504 if ((!_res.pfcode) || (_res.pfcode & RES_PRF_CLASS))
411 fprintf(file, "\t%s", __p_class(class)); 505 fprintf(file, "\t%s", __p_class(class));
412 fprintf(file, "\t%s", __p_type(type)); 506 fprintf(file, "\t%s", __p_type(type));
@@ -418,21 +512,21 @@ p_rr(cp, msg, file)
418 switch (class) { 512 switch (class) {
419 case C_IN: 513 case C_IN:
420 case C_HS: 514 case C_HS:
421 bcopy(cp, (char *)&inaddr, sizeof(inaddr)); 515 bcopy(cp, (char *)&inaddr, INADDRSZ);
422 if (dlen == 4) { 516 if (dlen == 4) {
423 fprintf(file,"\t%s", inet_ntoa(inaddr)); 517 fprintf(file, "\t%s", inet_ntoa(inaddr));
424 cp += dlen; 518 cp += dlen;
425 } else if (dlen == 7) { 519 } else if (dlen == 7) {
426 char *address; 520 char *address;
427 u_char protocol; 521 u_char protocol;
428 u_short port; 522 in_port_t port;
429 523
430 address = inet_ntoa(inaddr); 524 address = inet_ntoa(inaddr);
431 cp += sizeof(inaddr); 525 cp += INADDRSZ;
432 protocol = *(u_char*)cp; 526 protocol = *(u_char*)cp;
433 cp += sizeof(u_char); 527 cp += sizeof (u_char);
434 port = _getshort(cp); 528 port = _getshort((u_char*)cp);
435 cp += sizeof(u_int16_t); 529 cp += INT16SZ;
436 fprintf(file, "\t%s\t; proto %d, port %d", 530 fprintf(file, "\t%s\t; proto %d, port %d",
437 address, protocol, port); 531 address, protocol, port);
438 } 532 }
@@ -448,98 +542,205 @@ p_rr(cp, msg, file)
448 case T_NS: 542 case T_NS:
449 case T_PTR: 543 case T_PTR:
450 putc('\t', file); 544 putc('\t', file);
451 cp = p_fqname(cp, msg, file); 545 if ((cp = p_fqname(cp, msg, file)) == NULL)
546 return (NULL);
452 break; 547 break;
453 548
454 case T_HINFO: 549 case T_HINFO:
455 if (n = *cp++) { 550 case T_ISDN:
456 fprintf(file,"\t%.*s", n, cp); 551 cp2 = cp + dlen;
457 cp += n; 552 (void) fputs("\t\"", file);
553 if ((n = (unsigned char) *cp++) != 0) {
554 for (c = n; c > 0 && cp < cp2; c--) {
555 if (strchr("\n\"\\", *cp))
556 (void) putc('\\', file);
557 (void) putc(*cp++, file);
558 }
458 } 559 }
459 if (n = *cp++) { 560 putc('"', file);
460 fprintf(file,"\t%.*s", n, cp); 561 if (cp < cp2 && (n = (unsigned char) *cp++) != 0) {
461 cp += n; 562 (void) fputs ("\t\"", file);
563 for (c = n; c > 0 && cp < cp2; c--) {
564 if (strchr("\n\"\\", *cp))
565 (void) putc('\\', file);
566 (void) putc(*cp++, file);
567 }
568 putc('"', file);
569 } else if (type == T_HINFO) {
570 (void) fputs("\"?\"", file);
571 fprintf(file, "\n;; *** Warning *** OS-type missing");
462 } 572 }
463 break; 573 break;
464 574
465 case T_SOA: 575 case T_SOA:
466 putc('\t', file); 576 putc('\t', file);
467 cp = p_fqname(cp, msg, file); /* origin */ 577 if ((cp = p_fqname(cp, msg, file)) == NULL)
578 return (NULL);
468 putc(' ', file); 579 putc(' ', file);
469 cp = p_fqname(cp, msg, file); /* mail addr */ 580 if ((cp = p_fqname(cp, msg, file)) == NULL)
581 return (NULL);
470 fputs(" (\n", file); 582 fputs(" (\n", file);
471 t = _getlong(cp); cp += sizeof(u_int32_t); 583 t = _getlong((u_char*)cp); cp += INT32SZ;
472 fprintf(file,"\t\t\t%lu\t; serial\n", t); 584 fprintf(file, "\t\t\t%lu\t; serial\n", (u_long)t);
473 t = _getlong(cp); cp += sizeof(u_int32_t); 585 t = _getlong((u_char*)cp); cp += INT32SZ;
474 fprintf(file,"\t\t\t%lu\t; refresh (%s)\n", t, __p_time(t)); 586 fprintf(file, "\t\t\t%lu\t; refresh (%s)\n",
475 t = _getlong(cp); cp += sizeof(u_int32_t); 587 (u_long)t, __p_time(t));
476 fprintf(file,"\t\t\t%lu\t; retry (%s)\n", t, __p_time(t)); 588 t = _getlong((u_char*)cp); cp += INT32SZ;
477 t = _getlong(cp); cp += sizeof(u_int32_t); 589 fprintf(file, "\t\t\t%lu\t; retry (%s)\n",
478 fprintf(file,"\t\t\t%lu\t; expire (%s)\n", t, __p_time(t)); 590 (u_long)t, __p_time(t));
479 t = _getlong(cp); cp += sizeof(u_int32_t); 591 t = _getlong((u_char*)cp); cp += INT32SZ;
480 fprintf(file,"\t\t\t%lu )\t; minimum (%s)", t, __p_time(t)); 592 fprintf(file, "\t\t\t%lu\t; expire (%s)\n",
593 (u_long)t, __p_time(t));
594 t = _getlong((u_char*)cp); cp += INT32SZ;
595 fprintf(file, "\t\t\t%lu )\t; minimum (%s)",
596 (u_long)t, __p_time(t));
481 break; 597 break;
482 598
483 case T_MX: 599 case T_MX:
484 case T_AFSDB: 600 case T_AFSDB:
485 fprintf(file,"\t%d ", _getshort(cp)); 601 case T_RT:
486 cp += sizeof(u_int16_t); 602 fprintf(file, "\t%d ", _getshort((u_char*)cp));
487 cp = p_fqname(cp, msg, file); 603 cp += INT16SZ;
604 if ((cp = p_fqname(cp, msg, file)) == NULL)
605 return (NULL);
606 break;
607
608 case T_PX:
609 fprintf(file, "\t%d ", _getshort((u_char*)cp));
610 cp += INT16SZ;
611 if ((cp = p_fqname(cp, msg, file)) == NULL)
612 return (NULL);
613 putc(' ', file);
614 if ((cp = p_fqname(cp, msg, file)) == NULL)
615 return (NULL);
488 break; 616 break;
489 617
490 case T_TXT: 618 case T_X25:
619 cp2 = cp + dlen;
491 (void) fputs("\t\"", file); 620 (void) fputs("\t\"", file);
621 if ((n = (unsigned char) *cp++) != 0) {
622 for (c = n; c > 0 && cp < cp2; c--) {
623 if (strchr("\n\"\\", *cp))
624 (void) putc('\\', file);
625 (void) putc(*cp++, file);
626 }
627 }
628 putc('"', file);
629 break;
630
631 case T_TXT:
632 (void) putc('\t', file);
492 cp2 = cp1 + dlen; 633 cp2 = cp1 + dlen;
493 while (cp < cp2) { 634 while (cp < cp2) {
494 if (n = (unsigned char) *cp++) { 635 putc('"', file);
495 for (c = n; c > 0 && cp < cp2; c--) 636 if ((n = (unsigned char) *cp++)) {
496 if (*cp == '\n') { 637 for (c = n; c > 0 && cp < cp2; c--) {
497 (void) putc('\\', file); 638 if (strchr("\n\"\\", *cp))
498 (void) putc(*cp++, file); 639 (void) putc('\\', file);
499 } else 640 (void) putc(*cp++, file);
500 (void) putc(*cp++, file); 641 }
501 } 642 }
643 putc('"', file);
644 if (cp < cp2)
645 putc(' ', file);
502 } 646 }
503 putc('"', file); 647 break;
504 break; 648
649 case T_NSAP:
650 (void) fprintf(file, "\t%s", inet_nsap_ntoa(dlen, cp, NULL));
651 cp += dlen;
652 break;
653
654 case T_AAAA: {
655 char t[sizeof "ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255"];
656
657 fprintf(file, "\t%s", inet_ntop(AF_INET6, cp, t, sizeof t));
658 cp += dlen;
659 break;
660 }
661
662 case T_LOC: {
663 char t[255];
664
665 fprintf(file, "\t%s", loc_ntoa(cp, t));
666 cp += dlen;
667 break;
668 }
669
670 case T_NAPTR: {
671 u_int order, preference;
672
673 order = _getshort(cp); cp += INT16SZ;
674 preference = _getshort(cp); cp += INT16SZ;
675 fprintf(file, "\t%u %u ",order, preference);
676 /* Flags */
677 n = *cp++;
678 fprintf(file,"\"%.*s\" ", (int)n, cp);
679 cp += n;
680 /* Service */
681 n = *cp++;
682 fprintf(file,"\"%.*s\" ", (int)n, cp);
683 cp += n;
684 /* Regexp */
685 n = *cp++;
686 fprintf(file,"\"%.*s\" ", (int)n, cp);
687 cp += n;
688 if ((cp = p_fqname(cp, msg, file)) == NULL)
689 return (NULL);
690 break;
691 }
692
693 case T_SRV: {
694 u_int priority, weight, port;
695
696 priority = _getshort(cp); cp += INT16SZ;
697 weight = _getshort(cp); cp += INT16SZ;
698 port = _getshort(cp); cp += INT16SZ;
699 fprintf(file, "\t%u %u %u ", priority, weight, port);
700 if ((cp = p_fqname(cp, msg, file)) == NULL)
701 return (NULL);
702 break;
703 }
505 704
506 case T_MINFO: 705 case T_MINFO:
507 case T_RP: 706 case T_RP:
508 putc('\t', file); 707 putc('\t', file);
509 cp = p_fqname(cp, msg, file); 708 if ((cp = p_fqname(cp, msg, file)) == NULL)
709 return (NULL);
510 putc(' ', file); 710 putc(' ', file);
511 cp = p_fqname(cp, msg, file); 711 if ((cp = p_fqname(cp, msg, file)) == NULL)
712 return (NULL);
512 break; 713 break;
513 714
514 case T_UINFO: 715 case T_UINFO:
515 putc('\t', file); 716 putc('\t', file);
516 fputs(cp, file); 717 fputs((char *)cp, file);
517 cp += dlen; 718 cp += dlen;
518 break; 719 break;
519 720
520 case T_UID: 721 case T_UID:
521 case T_GID: 722 case T_GID:
522 if (dlen == 4) { 723 if (dlen == 4) {
523 fprintf(file,"\t%u", _getlong(cp)); 724 fprintf(file, "\t%u", _getlong((u_char*)cp));
524 cp += sizeof(int32_t); 725 cp += INT32SZ;
525 } 726 }
526 break; 727 break;
527 728
528 case T_WKS: 729 case T_WKS:
529 if (dlen < sizeof(u_int32_t) + 1) 730 if (dlen < INT32SZ + 1)
530 break; 731 break;
531 bcopy(cp, (char *)&inaddr, sizeof(inaddr)); 732 bcopy(cp, (char *)&inaddr, INADDRSZ);
532 cp += sizeof(u_int32_t); 733 cp += INT32SZ;
533 fprintf(file, "\t%s %s ( ", 734 fprintf(file, "\t%s %s ( ",
534 inet_ntoa(inaddr), 735 inet_ntoa(inaddr),
535 deproto((int) *cp)); 736 deproto((int) *cp));
536 cp += sizeof(u_char); 737 cp += sizeof (u_char);
537 n = 0; 738 n = 0;
538 lcnt = 0; 739 lcnt = 0;
539 while (cp < cp1 + dlen) { 740 while (cp < cp1 + dlen) {
540 c = *cp++; 741 c = *cp++;
541 do { 742 do {
542 if (c & 0200) { 743 if (c & 0200) {
543 if (lcnt == 0) { 744 if (lcnt == 0) {
544 fputs("\n\t\t\t", file); 745 fputs("\n\t\t\t", file);
545 lcnt = 5; 746 lcnt = 5;
@@ -548,17 +749,83 @@ p_rr(cp, msg, file)
548 putc(' ', file); 749 putc(' ', file);
549 lcnt--; 750 lcnt--;
550 } 751 }
551 c <<= 1; 752 c <<= 1;
552 } while (++n & 07); 753 } while (++n & 07);
553 } 754 }
554 putc(')', file); 755 putc(')', file);
555 break; 756 break;
556 757
758 case T_KEY:
759 putc('\t', file);
760 keyflags = _getshort(cp);
761 cp += 2;
762 fprintf(file,"0x%04x", keyflags ); /* flags */
763 fprintf(file," %u", *cp++); /* protocol */
764 fprintf(file," %u (", *cp++); /* algorithm */
765
766 n = b64_ntop(cp, (cp1 + dlen) - cp,
767 base64_key, sizeof base64_key);
768 for (c = 0; c < n; ++c) {
769 if (0 == (c & 0x3F))
770 fprintf(file, "\n\t");
771 putc(base64_key[c], file); /* public key data */
772 }
773
774 fprintf(file, " )");
775 if (n < 0)
776 fprintf(file, "\t; BAD BASE64");
777 fflush(file);
778 cp = cp1 + dlen;
779 break;
780
781 case T_SIG:
782 type = _getshort((u_char*)cp);
783 cp += INT16SZ;
784 fprintf(file, " %s", p_type(type));
785 fprintf(file, "\t%d", *cp++); /* algorithm */
786 /* Check label value and print error if wrong. */
787 n = *cp++;
788 c = dn_count_labels (rrname);
789 if (n != c)
790 fprintf(file, "\t; LABELS WRONG (%d should be %d)\n\t",
791 n, c);
792 /* orig ttl */
793 n = _getlong((u_char*)cp);
794 if (n != tmpttl)
795 fprintf(file, " %u", n);
796 cp += INT32SZ;
797 /* sig expire */
798 fprintf(file, " (\n\t%s",
799 __p_secstodate(_getlong((u_char*)cp)));
800 cp += INT32SZ;
801 /* time signed */
802 fprintf(file, " %s", __p_secstodate(_getlong((u_char*)cp)));
803 cp += INT32SZ;
804 /* sig footprint */
805 fprintf(file," %u ", _getshort((u_char*)cp));
806 cp += INT16SZ;
807 /* signer's name */
808 cp = p_fqname(cp, msg, file);
809 n = b64_ntop(cp, (cp1 + dlen) - cp,
810 base64_key, sizeof base64_key);
811 for (c = 0; c < n; c++) {
812 if (0 == (c & 0x3F))
813 fprintf (file, "\n\t");
814 putc(base64_key[c], file); /* signature */
815 }
816 /* Clean up... */
817 fprintf(file, " )");
818 if (n < 0)
819 fprintf(file, "\t; BAD BASE64");
820 fflush(file);
821 cp = cp1+dlen;
822 break;
823
557#ifdef ALLOW_T_UNSPEC 824#ifdef ALLOW_T_UNSPEC
558 case T_UNSPEC: 825 case T_UNSPEC:
559 { 826 {
560 int NumBytes = 8; 827 int NumBytes = 8;
561 char *DataPtr; 828 u_char *DataPtr;
562 int i; 829 int i;
563 830
564 if (dlen < NumBytes) NumBytes = dlen; 831 if (dlen < NumBytes) NumBytes = dlen;
@@ -572,7 +839,7 @@ p_rr(cp, msg, file)
572#endif /* ALLOW_T_UNSPEC */ 839#endif /* ALLOW_T_UNSPEC */
573 840
574 default: 841 default:
575 fprintf(file,"\t?%d?", type); 842 fprintf(file, "\t?%d?", type);
576 cp += dlen; 843 cp += dlen;
577 } 844 }
578#if 0 845#if 0
@@ -581,136 +848,205 @@ p_rr(cp, msg, file)
581 putc('\n', file); 848 putc('\n', file);
582#endif 849#endif
583 if (cp - cp1 != dlen) { 850 if (cp - cp1 != dlen) {
584 fprintf(file,";; packet size error (found %d, dlen was %d)\n", 851 fprintf(file, ";; packet size error (found %ld, dlen was %d)\n",
585 cp - cp1, dlen); 852 (long)(cp - cp1), dlen);
586 cp = NULL; 853 cp = NULL;
587 } 854 }
588 return (cp); 855 return (cp);
589} 856}
590 857
591static char nbuf[40]; 858/*
859 * Names of RR classes and qclasses. Classes and qclasses are the same, except
860 * that C_ANY is a qclass but not a class. (You can ask for records of class
861 * C_ANY, but you can't have any records of that class in the database.)
862 */
863const struct res_sym __p_class_syms[] = {
864 {C_IN, "IN"},
865 {C_CHAOS, "CHAOS"},
866 {C_HS, "HS"},
867 {C_HS, "HESIOD"},
868 {C_ANY, "ANY"},
869 {C_IN, (char *)0}
870};
592 871
593/* 872/*
594 * Return a string for the type 873 * Names of RR types and qtypes. Types and qtypes are the same, except
874 * that T_ANY is a qtype but not a type. (You can ask for records of type
875 * T_ANY, but you can't have any records of that type in the database.)
595 */ 876 */
596char * 877const struct res_sym __p_type_syms[] = {
597__p_type(type) 878 {T_A, "A", "address"},
598 int type; 879 {T_NS, "NS", "name server"},
599{ 880 {T_MD, "MD", "mail destination (deprecated)"},
600 switch (type) { 881 {T_MF, "MF", "mail forwarder (deprecated)"},
601 case T_A: 882 {T_CNAME, "CNAME", "canonical name"},
602 return("A"); 883 {T_SOA, "SOA", "start of authority"},
603 case T_NS: /* authoritative server */ 884 {T_MB, "MB", "mailbox"},
604 return("NS"); 885 {T_MG, "MG", "mail group member"},
605 case T_CNAME: /* canonical name */ 886 {T_MR, "MR", "mail rename"},
606 return("CNAME"); 887 {T_NULL, "NULL", "null"},
607 case T_SOA: /* start of authority zone */ 888 {T_WKS, "WKS", "well-known service (deprecated)"},
608 return("SOA"); 889 {T_PTR, "PTR", "domain name pointer"},
609 case T_MB: /* mailbox domain name */ 890 {T_HINFO, "HINFO", "host information"},
610 return("MB"); 891 {T_MINFO, "MINFO", "mailbox information"},
611 case T_MG: /* mail group member */ 892 {T_MX, "MX", "mail exchanger"},
612 return("MG"); 893 {T_TXT, "TXT", "text"},
613 case T_MR: /* mail rename name */ 894 {T_RP, "RP", "responsible person"},
614 return("MR"); 895 {T_AFSDB, "AFSDB", "DCE or AFS server"},
615 case T_NULL: /* null resource record */ 896 {T_X25, "X25", "X25 address"},
616 return("NULL"); 897 {T_ISDN, "ISDN", "ISDN address"},
617 case T_WKS: /* well known service */ 898 {T_RT, "RT", "router"},
618 return("WKS"); 899 {T_NSAP, "NSAP", "nsap address"},
619 case T_PTR: /* domain name pointer */ 900 {T_NSAP_PTR, "NSAP_PTR", "domain name pointer"},
620 return("PTR"); 901 {T_SIG, "SIG", "signature"},
621 case T_HINFO: /* host information */ 902 {T_KEY, "KEY", "key"},
622 return("HINFO"); 903 {T_PX, "PX", "mapping information"},
623 case T_MINFO: /* mailbox information */ 904 {T_GPOS, "GPOS", "geographical position (withdrawn)"},
624 return("MINFO"); 905 {T_AAAA, "AAAA", "IPv6 address"},
625 case T_MX: /* mail routing info */ 906 {T_LOC, "LOC", "location"},
626 return("MX"); 907 {T_NXT, "NXT", "next valid name (unimplemented)"},
627 case T_TXT: /* text */ 908 {T_EID, "EID", "endpoint identifier (unimplemented)"},
628 return("TXT"); 909 {T_NIMLOC, "NIMLOC", "NIMROD locator (unimplemented)"},
629 case T_RP: /* responsible person */ 910 {T_SRV, "SRV", "server selection"},
630 return("RP"); 911 {T_ATMA, "ATMA", "ATM address (unimplemented)"},
631 case T_AFSDB: /* AFS cell database */ 912 {T_IXFR, "IXFR", "incremental zone transfer"},
632 return("AFSDB"); 913 {T_AXFR, "AXFR", "zone transfer"},
633 case T_AXFR: /* zone transfer */ 914 {T_MAILB, "MAILB", "mailbox-related data (deprecated)"},
634 return("AXFR"); 915 {T_MAILA, "MAILA", "mail agent (deprecated)"},
635 case T_MAILB: /* mail box */ 916 {T_UINFO, "UINFO", "user information (nonstandard)"},
636 return("MAILB"); 917 {T_UID, "UID", "user ID (nonstandard)"},
637 case T_MAILA: /* mail address */ 918 {T_GID, "GID", "group ID (nonstandard)"},
638 return("MAILA"); 919 {T_NAPTR, "NAPTR", "URN Naming Authority"},
639 case T_ANY: /* matches any type */
640 return("ANY");
641 case T_UINFO:
642 return("UINFO");
643 case T_UID:
644 return("UID");
645 case T_GID:
646 return("GID");
647#ifdef ALLOW_T_UNSPEC 920#ifdef ALLOW_T_UNSPEC
648 case T_UNSPEC: 921 {T_UNSPEC, "UNSPEC", "unspecified data (nonstandard)"},
649 return("UNSPEC");
650#endif /* ALLOW_T_UNSPEC */ 922#endif /* ALLOW_T_UNSPEC */
923 {T_ANY, "ANY", "\"any\""},
924 {0, NULL, NULL}
925};
651 926
652 default: 927int
653 (void)sprintf(nbuf, "%d", type); 928__sym_ston(syms, name, success)
654 return(nbuf); 929 const struct res_sym *syms;
930 char *name;
931 int *success;
932{
933 for (; syms->name != 0; syms++) {
934 if (strcasecmp (name, syms->name) == 0) {
935 if (success)
936 *success = 1;
937 return (syms->number);
938 }
939 }
940 if (success)
941 *success = 0;
942 return (syms->number); /* The default value. */
943}
944
945const char *
946__sym_ntos(syms, number, success)
947 const struct res_sym *syms;
948 int number;
949 int *success;
950{
951 static char unname[20];
952
953 for (; syms->name != 0; syms++) {
954 if (number == syms->number) {
955 if (success)
956 *success = 1;
957 return (syms->name);
958 }
959 }
960
961 sprintf (unname, "%d", number);
962 if (success)
963 *success = 0;
964 return (unname);
965}
966
967
968const char *
969__sym_ntop(syms, number, success)
970 const struct res_sym *syms;
971 int number;
972 int *success;
973{
974 static char unname[20];
975
976 for (; syms->name != 0; syms++) {
977 if (number == syms->number) {
978 if (success)
979 *success = 1;
980 return (syms->humanname);
981 }
655 } 982 }
983 sprintf(unname, "%d", number);
984 if (success)
985 *success = 0;
986 return (unname);
987}
988
989/*
990 * Return a string for the type
991 */
992const char *
993__p_type(type)
994 int type;
995{
996 return (__sym_ntos (__p_type_syms, type, (int *)0));
656} 997}
657 998
658/* 999/*
659 * Return a mnemonic for class 1000 * Return a mnemonic for class
660 */ 1001 */
661char * 1002const char *
662__p_class(class) 1003__p_class(class)
663 int class; 1004 int class;
664{ 1005{
665 1006 return (__sym_ntos (__p_class_syms, class, (int *)0));
666 switch (class) {
667 case C_IN: /* internet class */
668 return("IN");
669 case C_HS: /* hesiod class */
670 return("HS");
671 case C_ANY: /* matches any class */
672 return("ANY");
673 default:
674 (void)sprintf(nbuf, "%d", class);
675 return(nbuf);
676 }
677} 1007}
678 1008
679/* 1009/*
680 * Return a mnemonic for an option 1010 * Return a mnemonic for an option
681 */ 1011 */
682static char * 1012const char *
683p_option(option) 1013__p_option(option)
684 u_int32_t option; 1014 u_long option;
685{ 1015{
1016 static char nbuf[40];
1017
686 switch (option) { 1018 switch (option) {
687 case RES_INIT: return "init"; 1019 case RES_INIT: return "init";
688 case RES_DEBUG: return "debug"; 1020 case RES_DEBUG: return "debug";
689 case RES_AAONLY: return "aaonly"; 1021 case RES_AAONLY: return "aaonly(unimpl)";
690 case RES_USEVC: return "usevc"; 1022 case RES_USEVC: return "usevc";
691 case RES_PRIMARY: return "primry"; 1023 case RES_PRIMARY: return "primry(unimpl)";
692 case RES_IGNTC: return "igntc"; 1024 case RES_IGNTC: return "igntc";
693 case RES_RECURSE: return "recurs"; 1025 case RES_RECURSE: return "recurs";
694 case RES_DEFNAMES: return "defnam"; 1026 case RES_DEFNAMES: return "defnam";
695 case RES_STAYOPEN: return "styopn"; 1027 case RES_STAYOPEN: return "styopn";
696 case RES_DNSRCH: return "dnsrch"; 1028 case RES_DNSRCH: return "dnsrch";
697 default: sprintf(nbuf, "?0x%x?", option); return nbuf; 1029 case RES_INSECURE1: return "insecure1";
1030 case RES_INSECURE2: return "insecure2";
1031 default: sprintf(nbuf, "?0x%lx?", (u_long)option);
1032 return (nbuf);
698 } 1033 }
699} 1034}
700 1035
701/* 1036/*
702 * Return a mnemonic for a time to live 1037 * Return a mnemonic for a time to live
703 */ 1038 */
704char * 1039const char *
705__p_time(value) 1040p_time(value)
706 u_int32_t value; 1041 u_int32_t value;
707{ 1042{
1043 static char nbuf[40];
708 int secs, mins, hours, days; 1044 int secs, mins, hours, days;
709 register char *p; 1045 register char *p;
710 1046
711 if (value == 0) { 1047 if (value == 0) {
712 strcpy(nbuf, "0 secs"); 1048 strcpy(nbuf, "0 secs");
713 return(nbuf); 1049 return (nbuf);
714 } 1050 }
715 1051
716 secs = value % 60; 1052 secs = value % 60;
@@ -745,5 +1081,438 @@ __p_time(value)
745 *p++ = ' '; 1081 *p++ = ' ';
746 (void)sprintf(p, "%d sec%s", PLURALIZE(secs)); 1082 (void)sprintf(p, "%d sec%s", PLURALIZE(secs));
747 } 1083 }
748 return(nbuf); 1084 return (nbuf);
1085}
1086
1087/*
1088 * routines to convert between on-the-wire RR format and zone file format.
1089 * Does not contain conversion to/from decimal degrees; divide or multiply
1090 * by 60*60*1000 for that.
1091 */
1092
1093static unsigned int poweroften[10] = {1, 10, 100, 1000, 10000, 100000,
1094 1000000,10000000,100000000,1000000000};
1095
1096/* takes an XeY precision/size value, returns a string representation. */
1097static const char *
1098precsize_ntoa(prec)
1099 u_int8_t prec;
1100{
1101 static char retbuf[sizeof "90000000.00"];
1102 unsigned long val;
1103 int mantissa, exponent;
1104
1105 mantissa = (int)((prec >> 4) & 0x0f) % 10;
1106 exponent = (int)((prec >> 0) & 0x0f) % 10;
1107
1108 val = mantissa * poweroften[exponent];
1109
1110 (void) sprintf(retbuf, "%ld.%.2ld", val/100, val%100);
1111 return (retbuf);
1112}
1113
1114/* converts ascii size/precision X * 10**Y(cm) to 0xXY. moves pointer. */
1115static u_int8_t
1116precsize_aton(strptr)
1117 char **strptr;
1118{
1119 unsigned int mval = 0, cmval = 0;
1120 u_int8_t retval = 0;
1121 register char *cp;
1122 register int exponent;
1123 register int mantissa;
1124
1125 cp = *strptr;
1126
1127 while (isdigit(*cp))
1128 mval = mval * 10 + (*cp++ - '0');
1129
1130 if (*cp == '.') { /* centimeters */
1131 cp++;
1132 if (isdigit(*cp)) {
1133 cmval = (*cp++ - '0') * 10;
1134 if (isdigit(*cp)) {
1135 cmval += (*cp++ - '0');
1136 }
1137 }
1138 }
1139 cmval = (mval * 100) + cmval;
1140
1141 for (exponent = 0; exponent < 9; exponent++)
1142 if (cmval < poweroften[exponent+1])
1143 break;
1144
1145 mantissa = cmval / poweroften[exponent];
1146 if (mantissa > 9)
1147 mantissa = 9;
1148
1149 retval = (mantissa << 4) | exponent;
1150
1151 *strptr = cp;
1152
1153 return (retval);
1154}
1155
1156/* converts ascii lat/lon to unsigned encoded 32-bit number. moves pointer. */
1157static u_int32_t
1158latlon2ul(latlonstrptr,which)
1159 char **latlonstrptr;
1160 int *which;
1161{
1162 register char *cp;
1163 u_int32_t retval;
1164 int deg = 0, min = 0, secs = 0, secsfrac = 0;
1165
1166 cp = *latlonstrptr;
1167
1168 while (isdigit(*cp))
1169 deg = deg * 10 + (*cp++ - '0');
1170
1171 while (isspace(*cp))
1172 cp++;
1173
1174 if (!(isdigit(*cp)))
1175 goto fndhemi;
1176
1177 while (isdigit(*cp))
1178 min = min * 10 + (*cp++ - '0');
1179
1180 while (isspace(*cp))
1181 cp++;
1182
1183 if (!(isdigit(*cp)))
1184 goto fndhemi;
1185
1186 while (isdigit(*cp))
1187 secs = secs * 10 + (*cp++ - '0');
1188
1189 if (*cp == '.') { /* decimal seconds */
1190 cp++;
1191 if (isdigit(*cp)) {
1192 secsfrac = (*cp++ - '0') * 100;
1193 if (isdigit(*cp)) {
1194 secsfrac += (*cp++ - '0') * 10;
1195 if (isdigit(*cp)) {
1196 secsfrac += (*cp++ - '0');
1197 }
1198 }
1199 }
1200 }
1201
1202 while (!isspace(*cp)) /* if any trailing garbage */
1203 cp++;
1204
1205 while (isspace(*cp))
1206 cp++;
1207
1208 fndhemi:
1209 switch (*cp) {
1210 case 'N': case 'n':
1211 case 'E': case 'e':
1212 retval = ((unsigned)1<<31)
1213 + (((((deg * 60) + min) * 60) + secs) * 1000)
1214 + secsfrac;
1215 break;
1216 case 'S': case 's':
1217 case 'W': case 'w':
1218 retval = ((unsigned)1<<31)
1219 - (((((deg * 60) + min) * 60) + secs) * 1000)
1220 - secsfrac;
1221 break;
1222 default:
1223 retval = 0; /* invalid value -- indicates error */
1224 break;
1225 }
1226
1227 switch (*cp) {
1228 case 'N': case 'n':
1229 case 'S': case 's':
1230 *which = 1; /* latitude */
1231 break;
1232 case 'E': case 'e':
1233 case 'W': case 'w':
1234 *which = 2; /* longitude */
1235 break;
1236 default:
1237 *which = 0; /* error */
1238 break;
1239 }
1240
1241 cp++; /* skip the hemisphere */
1242
1243 while (!isspace(*cp)) /* if any trailing garbage */
1244 cp++;
1245
1246 while (isspace(*cp)) /* move to next field */
1247 cp++;
1248
1249 *latlonstrptr = cp;
1250
1251 return (retval);
1252}
1253
1254/* converts a zone file representation in a string to an RDATA on-the-wire
1255 * representation. */
1256int
1257loc_aton(ascii, binary)
1258 const char *ascii;
1259 u_char *binary;
1260{
1261 const char *maxcp;
1262 u_char *bcp;
1263 char *cp;
1264
1265 u_int32_t latit = 0, longit = 0, alt = 0;
1266 u_int32_t lltemp1 = 0, lltemp2 = 0;
1267 int altmeters = 0, altfrac = 0, altsign = 1;
1268 u_int8_t hp = 0x16; /* default = 1e6 cm = 10000.00m = 10km */
1269 u_int8_t vp = 0x13; /* default = 1e3 cm = 10.00m */
1270 u_int8_t siz = 0x12; /* default = 1e2 cm = 1.00m */
1271 int which1 = 0, which2 = 0;
1272
1273 cp = (char *)ascii;
1274 maxcp = cp + strlen(ascii);
1275
1276 lltemp1 = latlon2ul(&cp, &which1);
1277
1278 lltemp2 = latlon2ul(&cp, &which2);
1279
1280 switch (which1 + which2) {
1281 case 3: /* 1 + 2, the only valid combination */
1282 if ((which1 == 1) && (which2 == 2)) { /* normal case */
1283 latit = lltemp1;
1284 longit = lltemp2;
1285 } else if ((which1 == 2) && (which2 == 1)) { /* reversed */
1286 longit = lltemp1;
1287 latit = lltemp2;
1288 } else { /* some kind of brokenness */
1289 return (0);
1290 }
1291 break;
1292 default: /* we didn't get one of each */
1293 return (0);
1294 }
1295
1296 /* altitude */
1297 if (*cp == '-') {
1298 altsign = -1;
1299 cp++;
1300 }
1301
1302 if (*cp == '+')
1303 cp++;
1304
1305 while (isdigit(*cp))
1306 altmeters = altmeters * 10 + (*cp++ - '0');
1307
1308 if (*cp == '.') { /* decimal meters */
1309 cp++;
1310 if (isdigit(*cp)) {
1311 altfrac = (*cp++ - '0') * 10;
1312 if (isdigit(*cp)) {
1313 altfrac += (*cp++ - '0');
1314 }
1315 }
1316 }
1317
1318 alt = (10000000 + (altsign * (altmeters * 100 + altfrac)));
1319
1320 while (!isspace(*cp) && (cp < maxcp)) /* if trailing garbage or m */
1321 cp++;
1322
1323 while (isspace(*cp) && (cp < maxcp))
1324 cp++;
1325
1326 if (cp >= maxcp)
1327 goto defaults;
1328
1329 siz = precsize_aton(&cp);
1330
1331 while (!isspace(*cp) && (cp < maxcp)) /* if trailing garbage or m */
1332 cp++;
1333
1334 while (isspace(*cp) && (cp < maxcp))
1335 cp++;
1336
1337 if (cp >= maxcp)
1338 goto defaults;
1339
1340 hp = precsize_aton(&cp);
1341
1342 while (!isspace(*cp) && (cp < maxcp)) /* if trailing garbage or m */
1343 cp++;
1344
1345 while (isspace(*cp) && (cp < maxcp))
1346 cp++;
1347
1348 if (cp >= maxcp)
1349 goto defaults;
1350
1351 vp = precsize_aton(&cp);
1352
1353 defaults:
1354
1355 bcp = binary;
1356 *bcp++ = (u_int8_t) 0; /* version byte */
1357 *bcp++ = siz;
1358 *bcp++ = hp;
1359 *bcp++ = vp;
1360 PUTLONG(latit,bcp);
1361 PUTLONG(longit,bcp);
1362 PUTLONG(alt,bcp);
1363
1364 return (16); /* size of RR in octets */
1365}
1366
1367/* takes an on-the-wire LOC RR and formats it in a human readable format. */
1368const char *
1369loc_ntoa(binary, ascii)
1370 const u_char *binary;
1371 char *ascii;
1372{
1373 static char *error = "?";
1374 register const u_char *cp = binary;
1375
1376 int latdeg, latmin, latsec, latsecfrac;
1377 int longdeg, longmin, longsec, longsecfrac;
1378 char northsouth, eastwest;
1379 int altmeters, altfrac, altsign;
1380
1381 const int referencealt = 100000 * 100;
1382
1383 int32_t latval, longval, altval;
1384 u_int32_t templ;
1385 u_int8_t sizeval, hpval, vpval, versionval;
1386
1387 char *sizestr, *hpstr, *vpstr;
1388
1389 versionval = *cp++;
1390
1391 if (versionval) {
1392 sprintf(ascii, "; error: unknown LOC RR version");
1393 return (ascii);
1394 }
1395
1396 sizeval = *cp++;
1397
1398 hpval = *cp++;
1399 vpval = *cp++;
1400
1401 GETLONG(templ, cp);
1402 latval = (templ - ((unsigned)1<<31));
1403
1404 GETLONG(templ, cp);
1405 longval = (templ - ((unsigned)1<<31));
1406
1407 GETLONG(templ, cp);
1408 if (templ < referencealt) { /* below WGS 84 spheroid */
1409 altval = referencealt - templ;
1410 altsign = -1;
1411 } else {
1412 altval = templ - referencealt;
1413 altsign = 1;
1414 }
1415
1416 if (latval < 0) {
1417 northsouth = 'S';
1418 latval = -latval;
1419 } else
1420 northsouth = 'N';
1421
1422 latsecfrac = latval % 1000;
1423 latval = latval / 1000;
1424 latsec = latval % 60;
1425 latval = latval / 60;
1426 latmin = latval % 60;
1427 latval = latval / 60;
1428 latdeg = latval;
1429
1430 if (longval < 0) {
1431 eastwest = 'W';
1432 longval = -longval;
1433 } else
1434 eastwest = 'E';
1435
1436 longsecfrac = longval % 1000;
1437 longval = longval / 1000;
1438 longsec = longval % 60;
1439 longval = longval / 60;
1440 longmin = longval % 60;
1441 longval = longval / 60;
1442 longdeg = longval;
1443
1444 altfrac = altval % 100;
1445 altmeters = (altval / 100) * altsign;
1446
1447 if ((sizestr = strdup(precsize_ntoa(sizeval))) == NULL)
1448 sizestr = error;
1449 if ((hpstr = strdup(precsize_ntoa(hpval))) == NULL)
1450 hpstr = error;
1451 if ((vpstr = strdup(precsize_ntoa(vpval))) == NULL)
1452 vpstr = error;
1453
1454 sprintf(ascii,
1455 "%d %.2d %.2d.%.3d %c %d %.2d %.2d.%.3d %c %d.%.2dm %sm %sm %sm",
1456 latdeg, latmin, latsec, latsecfrac, northsouth,
1457 longdeg, longmin, longsec, longsecfrac, eastwest,
1458 altmeters, altfrac, sizestr, hpstr, vpstr);
1459
1460 if (sizestr != error)
1461 free(sizestr);
1462 if (hpstr != error)
1463 free(hpstr);
1464 if (vpstr != error)
1465 free(vpstr);
1466
1467 return (ascii);
1468}
1469
1470
1471/* Return the number of DNS hierarchy levels in the name. */
1472int
1473__dn_count_labels(name)
1474 char *name;
1475{
1476 int i, len, count;
1477
1478 len = strlen(name);
1479
1480 for(i = 0, count = 0; i < len; i++) {
1481 if (name[i] == '.')
1482 count++;
1483 }
1484
1485 /* don't count initial wildcard */
1486 if (name[0] == '*')
1487 if (count)
1488 count--;
1489
1490 /* don't count the null label for root. */
1491 /* if terminating '.' not found, must adjust */
1492 /* count to include last label */
1493 if (len > 0 && name[len-1] != '.')
1494 count++;
1495 return (count);
1496}
1497
1498
1499/*
1500 * Make dates expressed in seconds-since-Jan-1-1970 easy to read.
1501 * SIG records are required to be printed like this, by the Secure DNS RFC.
1502 */
1503char *
1504__p_secstodate (secs)
1505 unsigned long secs;
1506{
1507 static char output[15]; /* YYYYMMDDHHMMSS and null */
1508 time_t clock = secs;
1509 struct tm *time;
1510
1511 time = gmtime(&clock);
1512 time->tm_year += 1900;
1513 time->tm_mon += 1;
1514 sprintf(output, "%04d%02d%02d%02d%02d%02d",
1515 time->tm_year, time->tm_mon, time->tm_mday,
1516 time->tm_hour, time->tm_min, time->tm_sec);
1517 return (output);
749} 1518}
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-05-09 18:12:28 +0000