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sbin/hammer: Have consistent naming for buffer variables
[dragonfly.git] / contrib / ldns / host2str.c
blob521e2468ecdda9ed023057c84e7ab705577d374d
1 /*
2 * host2str.c
3 *
4 * conversion routines from the host format
5 * to the presentation format (strings)
6 *
7 * a Net::DNS like library for C
8 *
9 * (c) NLnet Labs, 2004-2006
10 *
11 * See the file LICENSE for the license
12 */
13 #include <ldns/config.h>
14
15 #include <ldns/ldns.h>
16
17 #include <limits.h>
18
19 #ifdef HAVE_SYS_SOCKET_H
20 #include <sys/socket.h>
21 #endif
22 #ifdef HAVE_ARPA_INET_H
23 #include <arpa/inet.h>
24 #endif
25 #ifdef HAVE_NETDB_H
26 #include <netdb.h>
27 #endif
28 #include <time.h>
29 #include <sys/time.h>
30
31 #ifndef INET_ADDRSTRLEN
32 #define INET_ADDRSTRLEN 16
33 #endif
34 #ifndef INET6_ADDRSTRLEN
35 #define INET6_ADDRSTRLEN 46
36 #endif
37
38 /* lookup tables for standard DNS stuff */
39
40 /* Taken from RFC 2535, section 7. */
41 ldns_lookup_table ldns_algorithms[] = {
42 { LDNS_RSAMD5, "RSAMD5" },
43 { LDNS_DH, "DH" },
44 { LDNS_DSA, "DSA" },
45 { LDNS_ECC, "ECC" },
46 { LDNS_RSASHA1, "RSASHA1" },
47 { LDNS_DSA_NSEC3, "DSA-NSEC3-SHA1" },
48 { LDNS_RSASHA1_NSEC3, "RSASHA1-NSEC3-SHA1" },
49 #ifdef USE_SHA2
50 { LDNS_RSASHA256, "RSASHA256"},
51 { LDNS_RSASHA512, "RSASHA512"},
52 #endif
53 #ifdef USE_GOST
54 { LDNS_ECC_GOST, "ECC-GOST"},
55 #endif
56 #ifdef USE_ECDSA
57 { LDNS_ECDSAP256SHA256, "ECDSAP256SHA256"},
58 { LDNS_ECDSAP384SHA384, "ECDSAP384SHA384"},
59 #endif
60 { LDNS_INDIRECT, "INDIRECT" },
61 { LDNS_PRIVATEDNS, "PRIVATEDNS" },
62 { LDNS_PRIVATEOID, "PRIVATEOID" },
63 { 0, NULL }
64 };
65
66 /* Taken from RFC 4398 */
67 ldns_lookup_table ldns_cert_algorithms[] = {
68 { LDNS_CERT_PKIX, "PKIX" },
69 { LDNS_CERT_SPKI, "SPKI" },
70 { LDNS_CERT_PGP, "PGP" },
71 { LDNS_CERT_IPKIX, "IPKIX" },
72 { LDNS_CERT_ISPKI, "ISPKI" },
73 { LDNS_CERT_IPGP, "IPGP" },
74 { LDNS_CERT_ACPKIX, "ACPKIX" },
75 { LDNS_CERT_IACPKIX, "IACPKIX" },
76 { LDNS_CERT_URI, "URI" },
77 { LDNS_CERT_OID, "OID" },
78 { 0, NULL }
79 };
80
81 /* classes */
82 ldns_lookup_table ldns_rr_classes[] = {
83 { LDNS_RR_CLASS_IN, "IN" },
84 { LDNS_RR_CLASS_CH, "CH" },
85 { LDNS_RR_CLASS_HS, "HS" },
86 { LDNS_RR_CLASS_NONE, "NONE" },
87 { LDNS_RR_CLASS_ANY, "ANY" },
88 { 0, NULL }
89 };
90
91 /* if these are used elsewhere */
92 ldns_lookup_table ldns_rcodes[] = {
93 { LDNS_RCODE_NOERROR, "NOERROR" },
94 { LDNS_RCODE_FORMERR, "FORMERR" },
95 { LDNS_RCODE_SERVFAIL, "SERVFAIL" },
96 { LDNS_RCODE_NXDOMAIN, "NXDOMAIN" },
97 { LDNS_RCODE_NOTIMPL, "NOTIMPL" },
98 { LDNS_RCODE_REFUSED, "REFUSED" },
99 { LDNS_RCODE_YXDOMAIN, "YXDOMAIN" },
100 { LDNS_RCODE_YXRRSET, "YXRRSET" },
101 { LDNS_RCODE_NXRRSET, "NXRRSET" },
102 { LDNS_RCODE_NOTAUTH, "NOTAUTH" },
103 { LDNS_RCODE_NOTZONE, "NOTZONE" },
104 { 0, NULL }
105 };
106
107 ldns_lookup_table ldns_opcodes[] = {
108 { LDNS_PACKET_QUERY, "QUERY" },
109 { LDNS_PACKET_IQUERY, "IQUERY" },
110 { LDNS_PACKET_STATUS, "STATUS" },
111 { LDNS_PACKET_NOTIFY, "NOTIFY" },
112 { LDNS_PACKET_UPDATE, "UPDATE" },
113 { 0, NULL }
114 };
115
116 const ldns_output_format ldns_output_format_nocomments_record = { 0, NULL };
117 const ldns_output_format *ldns_output_format_nocomments
118 = &ldns_output_format_nocomments_record;
119 const ldns_output_format ldns_output_format_onlykeyids_record = {
120 LDNS_COMMENT_KEY, NULL
121 };
122 const ldns_output_format *ldns_output_format_onlykeyids
123 = &ldns_output_format_onlykeyids_record;
124 const ldns_output_format *ldns_output_format_default
125 = &ldns_output_format_onlykeyids_record;
126
127 const ldns_output_format ldns_output_format_bubblebabble_record = {
128 LDNS_COMMENT_KEY | LDNS_COMMENT_BUBBLEBABBLE | LDNS_COMMENT_FLAGS, NULL
129 };
130 const ldns_output_format *ldns_output_format_bubblebabble
131 = &ldns_output_format_bubblebabble_record;
132
133 ldns_status
134 ldns_pkt_opcode2buffer_str(ldns_buffer *output, ldns_pkt_opcode opcode)
135 {
136 ldns_lookup_table *lt = ldns_lookup_by_id(ldns_opcodes, opcode);
137 if (lt && lt->name) {
138 ldns_buffer_printf(output, "%s", lt->name);
139 } else {
140 ldns_buffer_printf(output, "OPCODE%u", opcode);
141 }
142 return ldns_buffer_status(output);
143 }
144
145 ldns_status
146 ldns_pkt_rcode2buffer_str(ldns_buffer *output, ldns_pkt_rcode rcode)
147 {
148 ldns_lookup_table *lt = ldns_lookup_by_id(ldns_rcodes, rcode);
149 if (lt && lt->name) {
150 ldns_buffer_printf(output, "%s", lt->name);
151 } else {
152 ldns_buffer_printf(output, "RCODE%u", rcode);
153 }
154 return ldns_buffer_status(output);
155 }
156
157 ldns_status
158 ldns_algorithm2buffer_str(ldns_buffer *output,
159 ldns_algorithm algorithm)
160 {
161 ldns_lookup_table *lt = ldns_lookup_by_id(ldns_algorithms,
162 algorithm);
163 if (lt && lt->name) {
164 ldns_buffer_printf(output, "%s", lt->name);
165 } else {
166 ldns_buffer_printf(output, "ALG%u", algorithm);
167 }
168 return ldns_buffer_status(output);
169 }
170
171 ldns_status
172 ldns_cert_algorithm2buffer_str(ldns_buffer *output,
173 ldns_cert_algorithm cert_algorithm)
174 {
175 ldns_lookup_table *lt = ldns_lookup_by_id(ldns_cert_algorithms,
176 cert_algorithm);
177 if (lt && lt->name) {
178 ldns_buffer_printf(output, "%s", lt->name);
179 } else {
180 ldns_buffer_printf(output, "CERT_ALG%u",
181 cert_algorithm);
182 }
183 return ldns_buffer_status(output);
184 }
185
186 char *
187 ldns_pkt_opcode2str(ldns_pkt_opcode opcode)
188 {
189 char *str;
190 ldns_buffer *buf;
191
192 buf = ldns_buffer_new(12);
193 if (!buf) {
194 return NULL;
195 }
196
197 str = NULL;
198 if (ldns_pkt_opcode2buffer_str(buf, opcode) == LDNS_STATUS_OK) {
199 str = ldns_buffer_export2str(buf);
200 }
201
202 ldns_buffer_free(buf);
203 return str;
204 }
205
206 char *
207 ldns_pkt_rcode2str(ldns_pkt_rcode rcode)
208 {
209 char *str;
210 ldns_buffer *buf;
211
212 buf = ldns_buffer_new(10);
213 if (!buf) {
214 return NULL;
215 }
216
217 str = NULL;
218 if (ldns_pkt_rcode2buffer_str(buf, rcode) == LDNS_STATUS_OK) {
219 str = ldns_buffer_export2str(buf);
220 }
221
222 ldns_buffer_free(buf);
223 return str;
224 }
225
226 char *
227 ldns_pkt_algorithm2str(ldns_algorithm algorithm)
228 {
229 char *str;
230 ldns_buffer *buf;
231
232 buf = ldns_buffer_new(10);
233 if (!buf) {
234 return NULL;
235 }
236
237 str = NULL;
238 if (ldns_algorithm2buffer_str(buf, algorithm)
239 == LDNS_STATUS_OK) {
240 str = ldns_buffer_export2str(buf);
241 }
242
243 ldns_buffer_free(buf);
244 return str;
245 }
246
247 char *
248 ldns_pkt_cert_algorithm2str(ldns_cert_algorithm cert_algorithm)
249 {
250 char *str;
251 ldns_buffer *buf;
252
253 buf = ldns_buffer_new(10);
254 if (!buf) {
255 return NULL;
256 }
257
258 str = NULL;
259 if (ldns_cert_algorithm2buffer_str(buf, cert_algorithm)
260 == LDNS_STATUS_OK) {
261 str = ldns_buffer_export2str(buf);
262 }
263
264 ldns_buffer_free(buf);
265 return str;
266 }
267
268
269 /* do NOT pass compressed data here :p */
270 ldns_status
271 ldns_rdf2buffer_str_dname(ldns_buffer *output, const ldns_rdf *dname)
272 {
273 /* can we do with 1 pos var? or without at all? */
274 uint8_t src_pos = 0;
275 uint8_t len;
276 uint8_t *data;
277 uint8_t i;
278 unsigned char c;
279
280 data = (uint8_t*)ldns_rdf_data(dname);
281 len = data[src_pos];
282
283 if (ldns_rdf_size(dname) > LDNS_MAX_DOMAINLEN) {
284 /* too large, return */
285 return LDNS_STATUS_DOMAINNAME_OVERFLOW;
286 }
287
288 /* special case: root label */
289 if (1 == ldns_rdf_size(dname)) {
290 ldns_buffer_printf(output, ".");
291 } else {
292 while ((len > 0) && src_pos < ldns_rdf_size(dname)) {
293 src_pos++;
294 for(i = 0; i < len; i++) {
295 /* paranoia check for various 'strange'
296 characters in dnames
297 */
298 c = (unsigned char) data[src_pos];
299 if(c == '.' || c == ';' ||
300 c == '(' || c == ')' ||
301 c == '\\') {
302 ldns_buffer_printf(output, "\\%c",
303 data[src_pos]);
304 } else if (!(isascii(c) && isgraph(c))) {
305 ldns_buffer_printf(output, "\\%03u",
306 data[src_pos]);
307 } else {
308 ldns_buffer_printf(output, "%c", data[src_pos]);
309 }
310 src_pos++;
311 }
312
313 if (src_pos < ldns_rdf_size(dname)) {
314 ldns_buffer_printf(output, ".");
315 }
316 len = data[src_pos];
317 }
318 }
319 return ldns_buffer_status(output);
320 }
321
322 ldns_status
323 ldns_rdf2buffer_str_int8(ldns_buffer *output, const ldns_rdf *rdf)
324 {
325 uint8_t data = ldns_rdf_data(rdf)[0];
326 ldns_buffer_printf(output, "%lu", (unsigned long) data);
327 return ldns_buffer_status(output);
328 }
329
330 ldns_status
331 ldns_rdf2buffer_str_int16(ldns_buffer *output, const ldns_rdf *rdf)
332 {
333 uint16_t data = ldns_read_uint16(ldns_rdf_data(rdf));
334 ldns_buffer_printf(output, "%lu", (unsigned long) data);
335 return ldns_buffer_status(output);
336 }
337
338 ldns_status
339 ldns_rdf2buffer_str_int32(ldns_buffer *output, const ldns_rdf *rdf)
340 {
341 uint32_t data = ldns_read_uint32(ldns_rdf_data(rdf));
342 ldns_buffer_printf(output, "%lu", (unsigned long) data);
343 return ldns_buffer_status(output);
344 }
345
346 ldns_status
347 ldns_rdf2buffer_str_time(ldns_buffer *output, const ldns_rdf *rdf)
348 {
349 /* create a YYYYMMDDHHMMSS string if possible */
350 struct tm tm;
351 char date_buf[16];
352
353 memset(&tm, 0, sizeof(tm));
354 if (ldns_serial_arithmitics_gmtime_r(ldns_rdf2native_int32(rdf), time(NULL), &tm)
355 && strftime(date_buf, 15, "%Y%m%d%H%M%S", &tm)) {
356 ldns_buffer_printf(output, "%s", date_buf);
357 }
358 return ldns_buffer_status(output);
359 }
360
361 ldns_status
362 ldns_rdf2buffer_str_a(ldns_buffer *output, const ldns_rdf *rdf)
363 {
364 char str[INET_ADDRSTRLEN];
365
366 if (inet_ntop(AF_INET, ldns_rdf_data(rdf), str, INET_ADDRSTRLEN)) {
367 ldns_buffer_printf(output, "%s", str);
368 }
369 return ldns_buffer_status(output);
370 }
371
372 ldns_status
373 ldns_rdf2buffer_str_aaaa(ldns_buffer *output, const ldns_rdf *rdf)
374 {
375 char str[INET6_ADDRSTRLEN];
376
377 if (inet_ntop(AF_INET6, ldns_rdf_data(rdf), str, INET6_ADDRSTRLEN)) {
378 ldns_buffer_printf(output, "%s", str);
379 }
380
381 return ldns_buffer_status(output);
382 }
383
384 ldns_status
385 ldns_rdf2buffer_str_str(ldns_buffer *output, const ldns_rdf *rdf)
386 {
387 const uint8_t *data = ldns_rdf_data(rdf);
388 uint8_t length = data[0];
389 size_t i;
390
391 ldns_buffer_printf(output, "\"");
392 for (i = 1; i <= length; ++i) {
393 char ch = (char) data[i];
394 if (isprint((int)ch) || ch=='\t') {
395 if (ch=='\"'||ch=='\\')
396 ldns_buffer_printf(output, "\\%c", ch);
397 else
398 ldns_buffer_printf(output, "%c", ch);
399 } else {
400 ldns_buffer_printf(output, "\\%03u",
401 (unsigned)(uint8_t) ch);
402 }
403 }
404 ldns_buffer_printf(output, "\"");
405 return ldns_buffer_status(output);
406 }
407
408 ldns_status
409 ldns_rdf2buffer_str_b64(ldns_buffer *output, const ldns_rdf *rdf)
410 {
411 size_t size = ldns_b64_ntop_calculate_size(ldns_rdf_size(rdf));
412 char *b64 = LDNS_XMALLOC(char, size);
413 if(!b64) return LDNS_STATUS_MEM_ERR;
414 if (ldns_b64_ntop(ldns_rdf_data(rdf), ldns_rdf_size(rdf), b64, size)) {
415 ldns_buffer_printf(output, "%s", b64);
416 }
417 LDNS_FREE(b64);
418 return ldns_buffer_status(output);
419 }
420
421 ldns_status
422 ldns_rdf2buffer_str_b32_ext(ldns_buffer *output, const ldns_rdf *rdf)
423 {
424 size_t size;
425 char *b32;
426 if(ldns_rdf_size(rdf) == 0)
427 return LDNS_STATUS_OK;
428 /* remove -1 for the b32-hash-len octet */
429 size = ldns_b32_ntop_calculate_size(ldns_rdf_size(rdf) - 1);
430 /* add one for the end nul for the string */
431 b32 = LDNS_XMALLOC(char, size + 1);
432 if(!b32) return LDNS_STATUS_MEM_ERR;
433 size = (size_t) ldns_b32_ntop_extended_hex(ldns_rdf_data(rdf) + 1,
434 ldns_rdf_size(rdf) - 1, b32, size+1);
435 if (size > 0) {
436 ldns_buffer_printf(output, "%s", b32);
437 }
438 LDNS_FREE(b32);
439 return ldns_buffer_status(output);
440 }
441
442 ldns_status
443 ldns_rdf2buffer_str_hex(ldns_buffer *output, const ldns_rdf *rdf)
444 {
445 size_t i;
446 for (i = 0; i < ldns_rdf_size(rdf); i++) {
447 ldns_buffer_printf(output, "%02x", ldns_rdf_data(rdf)[i]);
448 }
449
450 return ldns_buffer_status(output);
451 }
452
453 ldns_status
454 ldns_rdf2buffer_str_type(ldns_buffer *output, const ldns_rdf *rdf)
455 {
456 uint16_t data = ldns_read_uint16(ldns_rdf_data(rdf));
457 const ldns_rr_descriptor *descriptor;
458
459 descriptor = ldns_rr_descript(data);
460 if (descriptor && descriptor->_name) {
461 ldns_buffer_printf(output, "%s", descriptor->_name);
462 } else {
463 ldns_buffer_printf(output, "TYPE%u", data);
464 }
465 return ldns_buffer_status(output);
466 }
467
468 ldns_status
469 ldns_rdf2buffer_str_class(ldns_buffer *output, const ldns_rdf *rdf)
470 {
471 uint16_t data = ldns_read_uint16(ldns_rdf_data(rdf));
472 ldns_lookup_table *lt;
473
474 lt = ldns_lookup_by_id(ldns_rr_classes, (int) data);
475 if (lt) {
476 ldns_buffer_printf(output, "\t%s", lt->name);
477 } else {
478 ldns_buffer_printf(output, "\tCLASS%d", data);
479 }
480 return ldns_buffer_status(output);
481 }
482
483 ldns_status
484 ldns_rdf2buffer_str_cert_alg(ldns_buffer *output, const ldns_rdf *rdf)
485 {
486 uint16_t data = ldns_read_uint16(ldns_rdf_data(rdf));
487 ldns_lookup_table *lt;
488 lt = ldns_lookup_by_id(ldns_cert_algorithms, (int) data);
489 if (lt) {
490 ldns_buffer_printf(output, "%s", lt->name);
491 } else {
492 ldns_buffer_printf(output, "%d", data);
493 }
494 return ldns_buffer_status(output);
495 }
496
497 ldns_status
498 ldns_rdf2buffer_str_alg(ldns_buffer *output, const ldns_rdf *rdf)
499 {
500 /* don't use algorithm mnemonics in the presentation format
501 this kind of got sneaked into the rfc's */
502 uint8_t data = ldns_rdf_data(rdf)[0];
503 ldns_buffer_printf(output, "%d", data);
504 return ldns_buffer_status(output);
505 }
506
507 static void
508 loc_cm_print(ldns_buffer *output, uint8_t mantissa, uint8_t exponent)
509 {
510 uint8_t i;
511 /* is it 0.<two digits> ? */
512 if(exponent < 2) {
513 if(exponent == 1)
514 mantissa *= 10;
515 ldns_buffer_printf(output, "0.%02ld", (long)mantissa);
516 return;
517 }
518 /* always <digit><string of zeros> */
519 ldns_buffer_printf(output, "%d", (int)mantissa);
520 for(i=0; i<exponent-2; i++)
521 ldns_buffer_printf(output, "0");
522 }
523
524 ldns_status
525 ldns_rr_type2buffer_str(ldns_buffer *output, const ldns_rr_type type)
526 {
527 const ldns_rr_descriptor *descriptor;
528
529 descriptor = ldns_rr_descript(type);
530
531 if (descriptor && descriptor->_name) {
532 ldns_buffer_printf(output, "%s", descriptor->_name);
533 } else {
534 /* exceptions for pseudotypes */
535 switch (type) {
536 case LDNS_RR_TYPE_IXFR:
537 ldns_buffer_printf(output, "IXFR");
538 break;
539 case LDNS_RR_TYPE_AXFR:
540 ldns_buffer_printf(output, "AXFR");
541 break;
542 case LDNS_RR_TYPE_MAILA:
543 ldns_buffer_printf(output, "MAILA");
544 break;
545 case LDNS_RR_TYPE_MAILB:
546 ldns_buffer_printf(output, "MAILB");
547 break;
548 case LDNS_RR_TYPE_ANY:
549 ldns_buffer_printf(output, "ANY");
550 break;
551 default:
552 ldns_buffer_printf(output, "TYPE%u", type);
553 }
554 }
555 return ldns_buffer_status(output);
556 }
557
558 char *
559 ldns_rr_type2str(const ldns_rr_type type)
560 {
561 char *str;
562 ldns_buffer *buf;
563
564 buf = ldns_buffer_new(10);
565 if (!buf) {
566 return NULL;
567 }
568
569 str = NULL;
570 if (ldns_rr_type2buffer_str(buf, type) == LDNS_STATUS_OK) {
571 str = ldns_buffer_export2str(buf);
572 }
573
574 ldns_buffer_free(buf);
575 return str;
576 }
577
578
579 ldns_status
580 ldns_rr_class2buffer_str(ldns_buffer *output,
581 const ldns_rr_class klass)
582 {
583 ldns_lookup_table *lt;
584
585 lt = ldns_lookup_by_id(ldns_rr_classes, klass);
586 if (lt) {
587 ldns_buffer_printf(output, "%s", lt->name);
588 } else {
589 ldns_buffer_printf(output, "CLASS%d", klass);
590 }
591 return ldns_buffer_status(output);
592 }
593
594 char *
595 ldns_rr_class2str(const ldns_rr_class klass)
596 {
597 ldns_buffer *buf;
598 char *str;
599
600 buf = ldns_buffer_new(10);
601 if (!buf) {
602 return NULL;
603 }
604
605 str = NULL;
606 if (ldns_rr_class2buffer_str(buf, klass) == LDNS_STATUS_OK) {
607 str = ldns_buffer_export2str(buf);
608 }
609 ldns_buffer_free(buf);
610 return str;
611 }
612
613 ldns_status
614 ldns_rdf2buffer_str_loc(ldns_buffer *output, const ldns_rdf *rdf)
615 {
616 /* we could do checking (ie degrees < 90 etc)? */
617 uint8_t version = ldns_rdf_data(rdf)[0];
618 uint8_t size;
619 uint8_t horizontal_precision;
620 uint8_t vertical_precision;
621 uint32_t longitude;
622 uint32_t latitude;
623 uint32_t altitude;
624 char northerness;
625 char easterness;
626 uint32_t h;
627 uint32_t m;
628 double s;
629
630 uint32_t equator = (uint32_t) ldns_power(2, 31);
631
632 if (version == 0) {
633 size = ldns_rdf_data(rdf)[1];
634 horizontal_precision = ldns_rdf_data(rdf)[2];
635 vertical_precision = ldns_rdf_data(rdf)[3];
636
637 latitude = ldns_read_uint32(&ldns_rdf_data(rdf)[4]);
638 longitude = ldns_read_uint32(&ldns_rdf_data(rdf)[8]);
639 altitude = ldns_read_uint32(&ldns_rdf_data(rdf)[12]);
640
641 if (latitude > equator) {
642 northerness = 'N';
643 latitude = latitude - equator;
644 } else {
645 northerness = 'S';
646 latitude = equator - latitude;
647 }
648 h = latitude / (1000 * 60 * 60);
649 latitude = latitude % (1000 * 60 * 60);
650 m = latitude / (1000 * 60);
651 latitude = latitude % (1000 * 60);
652 s = (double) latitude / 1000.0;
653 ldns_buffer_printf(output, "%02u %02u %0.3f %c ",
654 h, m, s, northerness);
655
656 if (longitude > equator) {
657 easterness = 'E';
658 longitude = longitude - equator;
659 } else {
660 easterness = 'W';
661 longitude = equator - longitude;
662 }
663 h = longitude / (1000 * 60 * 60);
664 longitude = longitude % (1000 * 60 * 60);
665 m = longitude / (1000 * 60);
666 longitude = longitude % (1000 * 60);
667 s = (double) longitude / (1000.0);
668 ldns_buffer_printf(output, "%02u %02u %0.3f %c ",
669 h, m, s, easterness);
670
671
672 s = ((double) altitude) / 100;
673 s -= 100000;
674
675 if(altitude%100 != 0)
676 ldns_buffer_printf(output, "%.2f", s);
677 else
678 ldns_buffer_printf(output, "%.0f", s);
679
680 ldns_buffer_printf(output, "m ");
681
682 loc_cm_print(output, (size & 0xf0) >> 4, size & 0x0f);
683 ldns_buffer_printf(output, "m ");
684
685 loc_cm_print(output, (horizontal_precision & 0xf0) >> 4,
686 horizontal_precision & 0x0f);
687 ldns_buffer_printf(output, "m ");
688
689 loc_cm_print(output, (vertical_precision & 0xf0) >> 4,
690 vertical_precision & 0x0f);
691 ldns_buffer_printf(output, "m");
692
693 return ldns_buffer_status(output);
694 } else {
695 return ldns_rdf2buffer_str_hex(output, rdf);
696 }
697 }
698
699 ldns_status
700 ldns_rdf2buffer_str_unknown(ldns_buffer *output, const ldns_rdf *rdf)
701 {
702 ldns_buffer_printf(output, "\\# %u ", ldns_rdf_size(rdf));
703 return ldns_rdf2buffer_str_hex(output, rdf);
704 }
705
706 ldns_status
707 ldns_rdf2buffer_str_nsap(ldns_buffer *output, const ldns_rdf *rdf)
708 {
709 ldns_buffer_printf(output, "0x");
710 return ldns_rdf2buffer_str_hex(output, rdf);
711 }
712
713 ldns_status
714 ldns_rdf2buffer_str_atma(ldns_buffer *output, const ldns_rdf *rdf)
715 {
716 return ldns_rdf2buffer_str_hex(output, rdf);
717 }
718
719 ldns_status
720 ldns_rdf2buffer_str_wks(ldns_buffer *output, const ldns_rdf *rdf)
721 {
722 /* protocol, followed by bitmap of services */
723 struct protoent *protocol;
724 char *proto_name = NULL;
725 uint8_t protocol_nr;
726 struct servent *service;
727 uint16_t current_service;
728
729 protocol_nr = ldns_rdf_data(rdf)[0];
730 protocol = getprotobynumber((int) protocol_nr);
731 if (protocol && (protocol->p_name != NULL)) {
732 proto_name = protocol->p_name;
733 ldns_buffer_printf(output, "%s ", protocol->p_name);
734 } else {
735 ldns_buffer_printf(output, "%u ", protocol_nr);
736 }
737
738 #ifdef HAVE_ENDPROTOENT
739 endprotoent();
740 #endif
741
742 for (current_service = 0;
743 current_service < ldns_rdf_size(rdf) * 7; current_service++) {
744 if (ldns_get_bit(&(ldns_rdf_data(rdf)[1]), current_service)) {
745 service = getservbyport((int) htons(current_service),
746 proto_name);
747 if (service && service->s_name) {
748 ldns_buffer_printf(output, "%s ", service->s_name);
749 } else {
750 ldns_buffer_printf(output, "%u ", current_service);
751 }
752 #ifdef HAVE_ENDSERVENT
753 endservent();
754 #endif
755 }
756 }
757 return ldns_buffer_status(output);
758 }
759
760 ldns_status
761 ldns_rdf2buffer_str_nsec(ldns_buffer *output, const ldns_rdf *rdf)
762 {
763 /* Note: this code is duplicated in higher.c in
764 * ldns_nsec_type_check() function
765 */
766 uint8_t window_block_nr;
767 uint8_t bitmap_length;
768 uint16_t type;
769 uint16_t pos = 0;
770 uint16_t bit_pos;
771 uint8_t *data = ldns_rdf_data(rdf);
772 const ldns_rr_descriptor *descriptor;
773
774 while(pos < ldns_rdf_size(rdf)) {
775 window_block_nr = data[pos];
776 bitmap_length = data[pos + 1];
777 pos += 2;
778
779 for (bit_pos = 0; bit_pos < (bitmap_length) * 8; bit_pos++) {
780 if (ldns_get_bit(&data[pos], bit_pos)) {
781 type = 256 * (uint16_t) window_block_nr + bit_pos;
782 descriptor = ldns_rr_descript(type);
783
784 if (descriptor && descriptor->_name) {
785 ldns_buffer_printf(output, "%s ",
786 descriptor->_name);
787 } else {
788 ldns_buffer_printf(output, "TYPE%u ", type);
789 }
790 }
791 }
792
793 pos += (uint16_t) bitmap_length;
794 }
795
796 return ldns_buffer_status(output);
797 }
798
799 ldns_status
800 ldns_rdf2buffer_str_nsec3_salt(ldns_buffer *output, const ldns_rdf *rdf)
801 {
802 uint8_t salt_length;
803 uint8_t salt_pos;
804
805 uint8_t *data = ldns_rdf_data(rdf);
806
807 if(ldns_rdf_size(rdf) == 0) {
808 output->_status = LDNS_STATUS_ERR;
809 return ldns_buffer_status(output);
810 }
811 salt_length = data[0];
812 /* from now there are variable length entries so remember pos */
813 if (salt_length == 0 || ((size_t)salt_length)+1 > ldns_rdf_size(rdf)) {
814 ldns_buffer_printf(output, "- ");
815 } else {
816 for (salt_pos = 0; salt_pos < salt_length; salt_pos++) {
817 ldns_buffer_printf(output, "%02x", data[1 + salt_pos]);
818 }
819 ldns_buffer_printf(output, " ");
820 }
821
822 return ldns_buffer_status(output);
823 }
824
825 ldns_status
826 ldns_rdf2buffer_str_period(ldns_buffer *output, const ldns_rdf *rdf)
827 {
828 /* period is the number of seconds */
829 uint32_t p = ldns_read_uint32(ldns_rdf_data(rdf));
830 ldns_buffer_printf(output, "%u", p);
831 return ldns_buffer_status(output);
832 }
833
834 ldns_status
835 ldns_rdf2buffer_str_tsigtime(ldns_buffer *output,const ldns_rdf *rdf)
836 {
837 /* tsigtime is 48 bits network order unsigned integer */
838 uint64_t tsigtime = 0;
839 uint8_t *data = ldns_rdf_data(rdf);
840
841 if (ldns_rdf_size(rdf) != 6) {
842 return LDNS_STATUS_ERR;
843 }
844
845 tsigtime = ldns_read_uint16(data);
846 tsigtime *= 65536;
847 tsigtime += ldns_read_uint16(data+2);
848 tsigtime *= 65536;
849
850 ldns_buffer_printf(output, "%llu ", tsigtime);
851
852 return ldns_buffer_status(output);
853 }
854
855 ldns_status
856 ldns_rdf2buffer_str_apl(ldns_buffer *output, const ldns_rdf *rdf)
857 {
858 uint8_t *data = ldns_rdf_data(rdf);
859 uint16_t address_family;
860 uint8_t prefix;
861 bool negation;
862 uint8_t adf_length;
863 size_t i;
864 size_t pos = 0;
865
866 while (pos < (unsigned int) ldns_rdf_size(rdf)) {
867 if(pos + 3 >= (unsigned)ldns_rdf_size(rdf))
868 return LDNS_STATUS_SYNTAX_RDATA_ERR;
869 address_family = ldns_read_uint16(&data[pos]);
870 prefix = data[pos + 2];
871 negation = data[pos + 3] & LDNS_APL_NEGATION;
872 adf_length = data[pos + 3] & LDNS_APL_MASK;
873 if (address_family == LDNS_APL_IP4) {
874 /* check if prefix < 32? */
875 if (negation) {
876 ldns_buffer_printf(output, "!");
877 }
878 ldns_buffer_printf(output, "%u:", address_family);
879 /* address is variable length 0 - 4 */
880 for (i = 0; i < 4; i++) {
881 if (i > 0) {
882 ldns_buffer_printf(output, ".");
883 }
884 if (i < (unsigned short) adf_length) {
885 if(pos+i+4 >= ldns_rdf_size(rdf))
886 return LDNS_STATUS_SYNTAX_RDATA_ERR;
887 ldns_buffer_printf(output, "%d",
888 data[pos + i + 4]);
889 } else {
890 ldns_buffer_printf(output, "0");
891 }
892 }
893 ldns_buffer_printf(output, "/%u ", prefix);
894 } else if (address_family == LDNS_APL_IP6) {
895 /* check if prefix < 128? */
896 if (negation) {
897 ldns_buffer_printf(output, "!");
898 }
899 ldns_buffer_printf(output, "%u:", address_family);
900 /* address is variable length 0 - 16 */
901 for (i = 0; i < 16; i++) {
902 if (i % 2 == 0 && i > 0) {
903 ldns_buffer_printf(output, ":");
904 }
905 if (i < (unsigned short) adf_length) {
906 if(pos+i+4 >= ldns_rdf_size(rdf))
907 return LDNS_STATUS_SYNTAX_RDATA_ERR;
908 ldns_buffer_printf(output, "%02x",
909 data[pos + i + 4]);
910 } else {
911 ldns_buffer_printf(output, "00");
912 }
913 }
914 ldns_buffer_printf(output, "/%u ", prefix);
915
916 } else {
917 /* unknown address family */
918 ldns_buffer_printf(output, "Unknown address family: %u data: ",
919 address_family);
920 for (i = 1; i < (unsigned short) (4 + adf_length); i++) {
921 if(pos+i >= ldns_rdf_size(rdf))
922 return LDNS_STATUS_SYNTAX_RDATA_ERR;
923 ldns_buffer_printf(output, "%02x", data[i]);
924 }
925 }
926 pos += 4 + adf_length;
927 }
928 return ldns_buffer_status(output);
929 }
930
931 ldns_status
932 ldns_rdf2buffer_str_int16_data(ldns_buffer *output, const ldns_rdf *rdf)
933 {
934 /* Subtract the size (2) of the number that specifies the length */
935 size_t size = ldns_b64_ntop_calculate_size(ldns_rdf_size(rdf) - 2);
936 char *b64 = LDNS_XMALLOC(char, size);
937 if(!b64)
938 return LDNS_STATUS_MEM_ERR;
939
940 ldns_buffer_printf(output, "%u ", ldns_rdf_size(rdf) - 2);
941
942 if (ldns_rdf_size(rdf) > 2 &&
943 ldns_b64_ntop(ldns_rdf_data(rdf) + 2,
944 ldns_rdf_size(rdf) - 2,
945 b64, size)) {
946 ldns_buffer_printf(output, "%s", b64);
947 }
948 LDNS_FREE(b64);
949 return ldns_buffer_status(output);
950 }
951
952 ldns_status
953 ldns_rdf2buffer_str_ipseckey(ldns_buffer *output, const ldns_rdf *rdf)
954 {
955 /* wire format from
956 http://www.ietf.org/internet-drafts/draft-ietf-ipseckey-rr-12.txt
957 */
958 uint8_t *data = ldns_rdf_data(rdf);
959 uint8_t precedence;
960 uint8_t gateway_type;
961 uint8_t algorithm;
962
963 ldns_rdf *gateway = NULL;
964 uint8_t *gateway_data;
965
966 size_t public_key_size;
967 uint8_t *public_key_data;
968 ldns_rdf *public_key;
969
970 size_t offset = 0;
971 ldns_status status;
972
973 precedence = data[0];
974 gateway_type = data[1];
975 algorithm = data[2];
976 offset = 3;
977
978 switch (gateway_type) {
979 case 0:
980 /* no gateway */
981 break;
982 case 1:
983 gateway_data = LDNS_XMALLOC(uint8_t, LDNS_IP4ADDRLEN);
984 if(!gateway_data)
985 return LDNS_STATUS_MEM_ERR;
986 memcpy(gateway_data, &data[offset], LDNS_IP4ADDRLEN);
987 gateway = ldns_rdf_new(LDNS_RDF_TYPE_A, LDNS_IP4ADDRLEN , gateway_data);
988 offset += LDNS_IP4ADDRLEN;
989 if(!gateway) {
990 LDNS_FREE(gateway_data);
991 return LDNS_STATUS_MEM_ERR;
992 }
993 break;
994 case 2:
995 gateway_data = LDNS_XMALLOC(uint8_t, LDNS_IP6ADDRLEN);
996 if(!gateway_data)
997 return LDNS_STATUS_MEM_ERR;
998 memcpy(gateway_data, &data[offset], LDNS_IP6ADDRLEN);
999 offset += LDNS_IP6ADDRLEN;
1000 gateway =
1001 ldns_rdf_new(LDNS_RDF_TYPE_AAAA, LDNS_IP6ADDRLEN, gateway_data);
1002 if(!gateway) {
1003 LDNS_FREE(gateway_data);
1004 return LDNS_STATUS_MEM_ERR;
1005 }
1006 break;
1007 case 3:
1008 status = ldns_wire2dname(&gateway, data, ldns_rdf_size(rdf), &offset);
1009 if(status != LDNS_STATUS_OK)
1010 return status;
1011 break;
1012 default:
1013 /* error? */
1014 break;
1015 }
1016
1017 public_key_size = ldns_rdf_size(rdf) - offset;
1018 public_key_data = LDNS_XMALLOC(uint8_t, public_key_size);
1019 if(!public_key_data) {
1020 ldns_rdf_free(gateway);
1021 return LDNS_STATUS_MEM_ERR;
1022 }
1023 memcpy(public_key_data, &data[offset], public_key_size);
1024 public_key = ldns_rdf_new(LDNS_RDF_TYPE_B64, public_key_size, public_key_data);
1025 if(!public_key) {
1026 LDNS_FREE(public_key_data);
1027 ldns_rdf_free(gateway);
1028 return LDNS_STATUS_MEM_ERR;
1029 }
1030
1031 ldns_buffer_printf(output, "%u %u %u ", precedence, gateway_type, algorithm);
1032 if (gateway)
1033 (void) ldns_rdf2buffer_str(output, gateway);
1034 else
1035 ldns_buffer_printf(output, ".");
1036 ldns_buffer_printf(output, " ");
1037 (void) ldns_rdf2buffer_str(output, public_key);
1038
1039 ldns_rdf_free(gateway);
1040 ldns_rdf_free(public_key);
1041
1042 return ldns_buffer_status(output);
1043 }
1044
1045 ldns_status
1046 ldns_rdf2buffer_str_tsig(ldns_buffer *output, const ldns_rdf *rdf)
1047 {
1048 /* TSIG RRs have no presentation format, make them #size <data> */
1049 return ldns_rdf2buffer_str_unknown(output, rdf);
1050 }
1051
1052
1053 ldns_status
1054 ldns_rdf2buffer_str(ldns_buffer *buffer, const ldns_rdf *rdf)
1055 {
1056 ldns_status res = LDNS_STATUS_OK;
1057
1058 /*ldns_buffer_printf(buffer, "%u:", ldns_rdf_get_type(rdf));*/
1059 if (rdf) {
1060 switch(ldns_rdf_get_type(rdf)) {
1061 case LDNS_RDF_TYPE_NONE:
1062 break;
1063 case LDNS_RDF_TYPE_DNAME:
1064 res = ldns_rdf2buffer_str_dname(buffer, rdf);
1065 break;
1066 case LDNS_RDF_TYPE_INT8:
1067 res = ldns_rdf2buffer_str_int8(buffer, rdf);
1068 break;
1069 case LDNS_RDF_TYPE_INT16:
1070 res = ldns_rdf2buffer_str_int16(buffer, rdf);
1071 break;
1072 case LDNS_RDF_TYPE_INT32:
1073 res = ldns_rdf2buffer_str_int32(buffer, rdf);
1074 break;
1075 case LDNS_RDF_TYPE_PERIOD:
1076 res = ldns_rdf2buffer_str_period(buffer, rdf);
1077 break;
1078 case LDNS_RDF_TYPE_TSIGTIME:
1079 res = ldns_rdf2buffer_str_tsigtime(buffer, rdf);
1080 break;
1081 case LDNS_RDF_TYPE_A:
1082 res = ldns_rdf2buffer_str_a(buffer, rdf);
1083 break;
1084 case LDNS_RDF_TYPE_AAAA:
1085 res = ldns_rdf2buffer_str_aaaa(buffer, rdf);
1086 break;
1087 case LDNS_RDF_TYPE_STR:
1088 res = ldns_rdf2buffer_str_str(buffer, rdf);
1089 break;
1090 case LDNS_RDF_TYPE_APL:
1091 res = ldns_rdf2buffer_str_apl(buffer, rdf);
1092 break;
1093 case LDNS_RDF_TYPE_B32_EXT:
1094 res = ldns_rdf2buffer_str_b32_ext(buffer, rdf);
1095 break;
1096 case LDNS_RDF_TYPE_B64:
1097 res = ldns_rdf2buffer_str_b64(buffer, rdf);
1098 break;
1099 case LDNS_RDF_TYPE_HEX:
1100 res = ldns_rdf2buffer_str_hex(buffer, rdf);
1101 break;
1102 case LDNS_RDF_TYPE_NSEC:
1103 res = ldns_rdf2buffer_str_nsec(buffer, rdf);
1104 break;
1105 case LDNS_RDF_TYPE_NSEC3_SALT:
1106 res = ldns_rdf2buffer_str_nsec3_salt(buffer, rdf);
1107 break;
1108 case LDNS_RDF_TYPE_TYPE:
1109 res = ldns_rdf2buffer_str_type(buffer, rdf);
1110 break;
1111 case LDNS_RDF_TYPE_CLASS:
1112 res = ldns_rdf2buffer_str_class(buffer, rdf);
1113 break;
1114 case LDNS_RDF_TYPE_CERT_ALG:
1115 res = ldns_rdf2buffer_str_cert_alg(buffer, rdf);
1116 break;
1117 case LDNS_RDF_TYPE_ALG:
1118 res = ldns_rdf2buffer_str_alg(buffer, rdf);
1119 break;
1120 case LDNS_RDF_TYPE_UNKNOWN:
1121 res = ldns_rdf2buffer_str_unknown(buffer, rdf);
1122 break;
1123 case LDNS_RDF_TYPE_TIME:
1124 res = ldns_rdf2buffer_str_time(buffer, rdf);
1125 break;
1126 case LDNS_RDF_TYPE_LOC:
1127 res = ldns_rdf2buffer_str_loc(buffer, rdf);
1128 break;
1129 case LDNS_RDF_TYPE_WKS:
1130 case LDNS_RDF_TYPE_SERVICE:
1131 res = ldns_rdf2buffer_str_wks(buffer, rdf);
1132 break;
1133 case LDNS_RDF_TYPE_NSAP:
1134 res = ldns_rdf2buffer_str_nsap(buffer, rdf);
1135 break;
1136 case LDNS_RDF_TYPE_ATMA:
1137 res = ldns_rdf2buffer_str_atma(buffer, rdf);
1138 break;
1139 case LDNS_RDF_TYPE_IPSECKEY:
1140 res = ldns_rdf2buffer_str_ipseckey(buffer, rdf);
1141 break;
1142 case LDNS_RDF_TYPE_TSIG:
1143 res = ldns_rdf2buffer_str_tsig(buffer, rdf);
1144 break;
1145 case LDNS_RDF_TYPE_INT16_DATA:
1146 res = ldns_rdf2buffer_str_int16_data(buffer, rdf);
1147 break;
1148 case LDNS_RDF_TYPE_NSEC3_NEXT_OWNER:
1149 res = ldns_rdf2buffer_str_b32_ext(buffer, rdf);
1150 break;
1151 }
1152 } else {
1153 /** This will write mangled RRs */
1154 ldns_buffer_printf(buffer, "(null) ");
1155 res = LDNS_STATUS_ERR;
1156 }
1157 return res;
1158 }
1159
1160 ldns_rdf *
1161 ldns_b32_ext2dname(const ldns_rdf *rdf)
1162 {
1163 size_t size;
1164 char *b32;
1165 ldns_rdf *out;
1166 if(ldns_rdf_size(rdf) == 0)
1167 return NULL;
1168 /* remove -1 for the b32-hash-len octet */
1169 size = ldns_b32_ntop_calculate_size(ldns_rdf_size(rdf) - 1);
1170 /* add one for the end nul for the string */
1171 b32 = LDNS_XMALLOC(char, size + 2);
1172 if (b32) {
1173 if (ldns_b32_ntop_extended_hex(ldns_rdf_data(rdf) + 1,
1174 ldns_rdf_size(rdf) - 1, b32, size+1) > 0) {
1175 b32[size] = '.';
1176 b32[size+1] = '\0';
1177 if (ldns_str2rdf_dname(&out, b32) == LDNS_STATUS_OK) {
1178 LDNS_FREE(b32);
1179 return out;
1180 }
1181 }
1182 LDNS_FREE(b32);
1183 }
1184 return NULL;
1185 }
1186
1187 ldns_status
1188 ldns_rr2buffer_str_fmt(ldns_buffer *output,
1189 const ldns_output_format *fmt, const ldns_rr *rr)
1190 {
1191 uint16_t i, flags;
1192 ldns_status status = LDNS_STATUS_OK;
1193
1194 if (fmt == NULL) {
1195 fmt = ldns_output_format_default;
1196 }
1197 if (!rr) {
1198 if (LDNS_COMMENT_NULLS & fmt->flags) {
1199 ldns_buffer_printf(output, "; (null)\n");
1200 }
1201 return ldns_buffer_status(output);
1202 }
1203 if (ldns_rr_owner(rr)) {
1204 status = ldns_rdf2buffer_str_dname(output, ldns_rr_owner(rr));
1205 }
1206 if (status != LDNS_STATUS_OK) {
1207 return status;
1208 }
1209
1210 /* TTL should NOT be printed if it is a question */
1211 if (!ldns_rr_is_question(rr)) {
1212 ldns_buffer_printf(output, "\t%d", ldns_rr_ttl(rr));
1213 }
1214
1215 ldns_buffer_printf(output, "\t");
1216 status = ldns_rr_class2buffer_str(output, ldns_rr_get_class(rr));
1217 if (status != LDNS_STATUS_OK) {
1218 return status;
1219 }
1220 ldns_buffer_printf(output, "\t");
1221
1222 status = ldns_rr_type2buffer_str(output, ldns_rr_get_type(rr));
1223 if (status != LDNS_STATUS_OK) {
1224 return status;
1225 }
1226
1227 if (ldns_rr_rd_count(rr) > 0) {
1228 ldns_buffer_printf(output, "\t");
1229 } else if (!ldns_rr_is_question(rr)) {
1230 ldns_buffer_printf(output, "\t\\# 0");
1231 }
1232
1233 for (i = 0; i < ldns_rr_rd_count(rr); i++) {
1234 /* ldns_rdf2buffer_str handles NULL input fine! */
1235 if ((fmt->flags & LDNS_FMT_ZEROIZE_RRSIGS) &&
1236 (ldns_rr_get_type(rr) == LDNS_RR_TYPE_RRSIG) &&
1237 ((/* inception */ i == 4 &&
1238 ldns_rdf_get_type(ldns_rr_rdf(rr, 4)) ==
1239 LDNS_RDF_TYPE_TIME) ||
1240 (/* expiration */ i == 5 &&
1241 ldns_rdf_get_type(ldns_rr_rdf(rr, 5)) ==
1242 LDNS_RDF_TYPE_TIME) ||
1243 (/* signature */ i == 8 &&
1244 ldns_rdf_get_type(ldns_rr_rdf(rr, 8)) ==
1245 LDNS_RDF_TYPE_B64))) {
1246
1247 ldns_buffer_printf(output, "(null)");
1248 status = ldns_buffer_status(output);
1249 } else if ((fmt->flags & LDNS_FMT_PAD_SOA_SERIAL) &&
1250 (ldns_rr_get_type(rr) == LDNS_RR_TYPE_SOA) &&
1251 /* serial */ i == 2 &&
1252 ldns_rdf_get_type(ldns_rr_rdf(rr, 2)) ==
1253 LDNS_RDF_TYPE_INT32) {
1254 ldns_buffer_printf(output, "%10lu",
1255 (unsigned long) ldns_read_uint32(
1256 ldns_rdf_data(ldns_rr_rdf(rr, 2))));
1257 status = ldns_buffer_status(output);
1258 } else {
1259 status = ldns_rdf2buffer_str(output,
1260 ldns_rr_rdf(rr, i));
1261 }
1262 if(status != LDNS_STATUS_OK)
1263 return status;
1264 if (i < ldns_rr_rd_count(rr) - 1) {
1265 ldns_buffer_printf(output, " ");
1266 }
1267 }
1268 /* per RR special comments - handy for DNSSEC types */
1269 /* check to prevent question sec. rr from
1270 * getting here */
1271 if (ldns_rr_rd_count(rr) > 0) {
1272 switch (ldns_rr_get_type(rr)) {
1273 case LDNS_RR_TYPE_DNSKEY:
1274 /* if ldns_rr_rd_count(rr) > 0
1275 then ldns_rr_rdf(rr, 0) exists! */
1276 if (! (fmt->flags & LDNS_COMMENT_KEY)) {
1277 break;
1278 }
1279 flags = ldns_rdf2native_int16(
1280 ldns_rr_rdf(rr, 0));
1281 ldns_buffer_printf(output, " ;{");
1282 if (fmt->flags & LDNS_COMMENT_KEY_ID) {
1283 ldns_buffer_printf(output, "id = %u",
1284 (unsigned int)
1285 ldns_calc_keytag(rr));
1286 }
1287 if ((fmt->flags & LDNS_COMMENT_KEY_TYPE)
1288 && (flags & LDNS_KEY_ZONE_KEY)){
1289 if (flags & LDNS_KEY_SEP_KEY) {
1290 ldns_buffer_printf(
1291 output, " (ksk)");
1292 }
1293 else {
1294 ldns_buffer_printf(
1295 output, " (zsk)");
1296 }
1297 if (fmt->flags & LDNS_COMMENT_KEY_SIZE){
1298 ldns_buffer_printf(
1299 output, ", ");
1300 }
1301 } else if (fmt->flags
1302 & (LDNS_COMMENT_KEY_ID
1303 |LDNS_COMMENT_KEY_SIZE)) {
1304 ldns_buffer_printf( output, ", ");
1305 }
1306 if (fmt->flags & LDNS_COMMENT_KEY_SIZE) {
1307 ldns_buffer_printf(output, "size = %db",
1308 ldns_rr_dnskey_key_size(rr));
1309 }
1310 ldns_buffer_printf(output, "}");
1311 break;
1312 case LDNS_RR_TYPE_RRSIG:
1313 if ((fmt->flags & LDNS_COMMENT_KEY)
1314 && (fmt->flags
1315 & LDNS_COMMENT_RRSIGS)
1316 && ldns_rr_rdf(rr, 6) != NULL) {
1317 ldns_buffer_printf(output
1318 , " ;{id = %d}"
1319 , ldns_rdf2native_int16(
1320 ldns_rr_rdf(rr, 6)));
1321 }
1322 break;
1323 case LDNS_RR_TYPE_DS:
1324 if ((fmt->flags & LDNS_COMMENT_BUBBLEBABBLE)
1325 && ldns_rr_rdf(rr, 3) != NULL) {
1326 uint8_t *data = ldns_rdf_data(
1327 ldns_rr_rdf(rr, 3));
1328 size_t len = ldns_rdf_size(
1329 ldns_rr_rdf(rr, 3));
1330 char *babble = ldns_bubblebabble(
1331 data, len);
1332 if(babble) {
1333 ldns_buffer_printf(output
1334 , " ;{%s}", babble);
1335 }
1336 LDNS_FREE(babble);
1337 }
1338 break;
1339 case LDNS_RR_TYPE_NSEC3:
1340 if (! (fmt->flags & LDNS_COMMENT_FLAGS) &&
1341 ! (fmt->flags & LDNS_COMMENT_NSEC3_CHAIN)) {
1342 break;
1343 }
1344 ldns_buffer_printf(output, " ;{");
1345 if ((fmt->flags & LDNS_COMMENT_FLAGS)) {
1346 if (ldns_nsec3_optout(rr)) {
1347 ldns_buffer_printf(output,
1348 " flags: optout");
1349 } else {
1350 ldns_buffer_printf(output,
1351 " flags: -");
1352 }
1353 if (fmt->flags & LDNS_COMMENT_NSEC3_CHAIN
1354 && fmt->data != NULL) {
1355 ldns_buffer_printf(output, ", ");
1356 }
1357 }
1358 if (fmt->flags & LDNS_COMMENT_NSEC3_CHAIN
1359 && fmt->data != NULL) {
1360 ldns_rbnode_t *node;
1361 ldns_rdf *key = ldns_dname_label(
1362 ldns_rr_owner(rr), 0);
1363 if (key) {
1364 node = ldns_rbtree_search(
1365 (ldns_rbtree_t *)
1366 fmt->data,
1367 (void *) key);
1368 if (node->data) {
1369 ldns_buffer_printf(
1370 output,
1371 "from: ");
1372 (void)
1373 ldns_rdf2buffer_str(
1374 output,
1375 (ldns_rdf *)
1376 node->data);
1377 }
1378 ldns_rdf_free(key);
1379 }
1380 key = ldns_b32_ext2dname(
1381 ldns_nsec3_next_owner(rr));
1382 if (key) {
1383 node = ldns_rbtree_search(
1384 (ldns_rbtree_t *)
1385 fmt->data,
1386 (void *) key);
1387 if (node->data) {
1388 ldns_buffer_printf(
1389 output,
1390 " to: ");
1391 (void)
1392 ldns_rdf2buffer_str(
1393 output,
1394 (ldns_rdf *)
1395 node->data);
1396 }
1397 ldns_rdf_free(key);
1398 }
1399 }
1400 ldns_buffer_printf(output, "}");
1401 break;
1402 default:
1403 break;
1404
1405 }
1406 }
1407 /* last */
1408 ldns_buffer_printf(output, "\n");
1409 return ldns_buffer_status(output);
1410 }
1411
1412 ldns_status
1413 ldns_rr2buffer_str(ldns_buffer *output, const ldns_rr *rr)
1414 {
1415 return ldns_rr2buffer_str_fmt(output, ldns_output_format_default, rr);
1416 }
1417
1418 ldns_status
1419 ldns_rr_list2buffer_str_fmt(ldns_buffer *output,
1420 const ldns_output_format *fmt, const ldns_rr_list *list)
1421 {
1422 uint16_t i;
1423
1424 for(i = 0; i < ldns_rr_list_rr_count(list); i++) {
1425 (void) ldns_rr2buffer_str_fmt(output, fmt,
1426 ldns_rr_list_rr(list, i));
1427 }
1428 return ldns_buffer_status(output);
1429 }
1430
1431 ldns_status
1432 ldns_rr_list2buffer_str(ldns_buffer *output, const ldns_rr_list *list)
1433 {
1434 return ldns_rr_list2buffer_str_fmt(
1435 output, ldns_output_format_default, list);
1436 }
1437
1438 ldns_status
1439 ldns_pktheader2buffer_str(ldns_buffer *output, const ldns_pkt *pkt)
1440 {
1441 ldns_lookup_table *opcode = ldns_lookup_by_id(ldns_opcodes,
1442 (int) ldns_pkt_get_opcode(pkt));
1443 ldns_lookup_table *rcode = ldns_lookup_by_id(ldns_rcodes,
1444 (int) ldns_pkt_get_rcode(pkt));
1445
1446 ldns_buffer_printf(output, ";; ->>HEADER<<- ");
1447 if (opcode) {
1448 ldns_buffer_printf(output, "opcode: %s, ", opcode->name);
1449 } else {
1450 ldns_buffer_printf(output, "opcode: ?? (%u), ",
1451 ldns_pkt_get_opcode(pkt));
1452 }
1453 if (rcode) {
1454 ldns_buffer_printf(output, "rcode: %s, ", rcode->name);
1455 } else {
1456 ldns_buffer_printf(output, "rcode: ?? (%u), ", ldns_pkt_get_rcode(pkt));
1457 }
1458 ldns_buffer_printf(output, "id: %d\n", ldns_pkt_id(pkt));
1459 ldns_buffer_printf(output, ";; flags: ");
1460
1461 if (ldns_pkt_qr(pkt)) {
1462 ldns_buffer_printf(output, "qr ");
1463 }
1464 if (ldns_pkt_aa(pkt)) {
1465 ldns_buffer_printf(output, "aa ");
1466 }
1467 if (ldns_pkt_tc(pkt)) {
1468 ldns_buffer_printf(output, "tc ");
1469 }
1470 if (ldns_pkt_rd(pkt)) {
1471 ldns_buffer_printf(output, "rd ");
1472 }
1473 if (ldns_pkt_cd(pkt)) {
1474 ldns_buffer_printf(output, "cd ");
1475 }
1476 if (ldns_pkt_ra(pkt)) {
1477 ldns_buffer_printf(output, "ra ");
1478 }
1479 if (ldns_pkt_ad(pkt)) {
1480 ldns_buffer_printf(output, "ad ");
1481 }
1482 ldns_buffer_printf(output, "; ");
1483 ldns_buffer_printf(output, "QUERY: %u, ", ldns_pkt_qdcount(pkt));
1484 ldns_buffer_printf(output, "ANSWER: %u, ", ldns_pkt_ancount(pkt));
1485 ldns_buffer_printf(output, "AUTHORITY: %u, ", ldns_pkt_nscount(pkt));
1486 ldns_buffer_printf(output, "ADDITIONAL: %u ", ldns_pkt_arcount(pkt));
1487 return ldns_buffer_status(output);
1488 }
1489
1490 ldns_status
1491 ldns_pkt2buffer_str_fmt(ldns_buffer *output,
1492 const ldns_output_format *fmt, const ldns_pkt *pkt)
1493 {
1494 uint16_t i;
1495 ldns_status status = LDNS_STATUS_OK;
1496 char *tmp;
1497 struct timeval time;
1498 time_t time_tt;
1499
1500 if (!pkt) {
1501 ldns_buffer_printf(output, "null");
1502 return LDNS_STATUS_OK;
1503 }
1504
1505 if (ldns_buffer_status_ok(output)) {
1506 status = ldns_pktheader2buffer_str(output, pkt);
1507 if (status != LDNS_STATUS_OK) {
1508 return status;
1509 }
1510
1511 ldns_buffer_printf(output, "\n");
1512
1513 ldns_buffer_printf(output, ";; QUESTION SECTION:\n;; ");
1514
1515
1516 for (i = 0; i < ldns_pkt_qdcount(pkt); i++) {
1517 status = ldns_rr2buffer_str_fmt(output, fmt,
1518 ldns_rr_list_rr(
1519 ldns_pkt_question(pkt), i));
1520 if (status != LDNS_STATUS_OK) {
1521 return status;
1522 }
1523 }
1524 ldns_buffer_printf(output, "\n");
1525
1526 ldns_buffer_printf(output, ";; ANSWER SECTION:\n");
1527 for (i = 0; i < ldns_pkt_ancount(pkt); i++) {
1528 status = ldns_rr2buffer_str_fmt(output, fmt,
1529 ldns_rr_list_rr(
1530 ldns_pkt_answer(pkt), i));
1531 if (status != LDNS_STATUS_OK) {
1532 return status;
1533 }
1534
1535 }
1536 ldns_buffer_printf(output, "\n");
1537
1538 ldns_buffer_printf(output, ";; AUTHORITY SECTION:\n");
1539
1540 for (i = 0; i < ldns_pkt_nscount(pkt); i++) {
1541 status = ldns_rr2buffer_str_fmt(output, fmt,
1542 ldns_rr_list_rr(
1543 ldns_pkt_authority(pkt), i));
1544 if (status != LDNS_STATUS_OK) {
1545 return status;
1546 }
1547 }
1548 ldns_buffer_printf(output, "\n");
1549
1550 ldns_buffer_printf(output, ";; ADDITIONAL SECTION:\n");
1551 for (i = 0; i < ldns_pkt_arcount(pkt); i++) {
1552 status = ldns_rr2buffer_str_fmt(output, fmt,
1553 ldns_rr_list_rr(
1554 ldns_pkt_additional(pkt), i));
1555 if (status != LDNS_STATUS_OK) {
1556 return status;
1557 }
1558
1559 }
1560 ldns_buffer_printf(output, "\n");
1561 /* add some futher fields */
1562 ldns_buffer_printf(output, ";; Query time: %d msec\n",
1563 ldns_pkt_querytime(pkt));
1564 if (ldns_pkt_edns(pkt)) {
1565 ldns_buffer_printf(output,
1566 ";; EDNS: version %u; flags:",
1567 ldns_pkt_edns_version(pkt));
1568 if (ldns_pkt_edns_do(pkt)) {
1569 ldns_buffer_printf(output, " do");
1570 }
1571 /* the extended rcode is the value set, shifted four bits,
1572 * and or'd with the original rcode */
1573 if (ldns_pkt_edns_extended_rcode(pkt)) {
1574 ldns_buffer_printf(output, " ; ext-rcode: %d",
1575 (ldns_pkt_edns_extended_rcode(pkt) << 4 | ldns_pkt_get_rcode(pkt)));
1576 }
1577 ldns_buffer_printf(output, " ; udp: %u\n",
1578 ldns_pkt_edns_udp_size(pkt));
1579
1580 if (ldns_pkt_edns_data(pkt)) {
1581 ldns_buffer_printf(output, ";; Data: ");
1582 (void)ldns_rdf2buffer_str(output,
1583 ldns_pkt_edns_data(pkt));
1584 ldns_buffer_printf(output, "\n");
1585 }
1586 }
1587 if (ldns_pkt_tsig(pkt)) {
1588 ldns_buffer_printf(output, ";; TSIG:\n;; ");
1589 (void) ldns_rr2buffer_str_fmt(
1590 output, fmt, ldns_pkt_tsig(pkt));
1591 ldns_buffer_printf(output, "\n");
1592 }
1593 if (ldns_pkt_answerfrom(pkt)) {
1594 tmp = ldns_rdf2str(ldns_pkt_answerfrom(pkt));
1595 ldns_buffer_printf(output, ";; SERVER: %s\n", tmp);
1596 LDNS_FREE(tmp);
1597 }
1598 time = ldns_pkt_timestamp(pkt);
1599 time_tt = (time_t)time.tv_sec;
1600 ldns_buffer_printf(output, ";; WHEN: %s",
1601 (char*)ctime(&time_tt));
1602
1603 ldns_buffer_printf(output, ";; MSG SIZE rcvd: %d\n",
1604 (int)ldns_pkt_size(pkt));
1605 } else {
1606 return ldns_buffer_status(output);
1607 }
1608 return status;
1609 }
1610
1611 ldns_status
1612 ldns_pkt2buffer_str(ldns_buffer *output, const ldns_pkt *pkt)
1613 {
1614 return ldns_pkt2buffer_str_fmt(output, ldns_output_format_default, pkt);
1615 }
1616
1617
1618 #ifdef HAVE_SSL
1619 static ldns_status
1620 ldns_hmac_key2buffer_str(ldns_buffer *output, const ldns_key *k)
1621 {
1622 ldns_status status;
1623 size_t i;
1624 ldns_rdf *b64_bignum;
1625
1626 ldns_buffer_printf(output, "Key: ");
1627
1628 i = ldns_key_hmac_size(k);
1629 b64_bignum = ldns_rdf_new_frm_data(LDNS_RDF_TYPE_B64, i, ldns_key_hmac_key(k));
1630 status = ldns_rdf2buffer_str(output, b64_bignum);
1631 ldns_rdf_deep_free(b64_bignum);
1632 ldns_buffer_printf(output, "\n");
1633 return status;
1634 }
1635 #endif
1636
1637 #if defined(HAVE_SSL) && defined(USE_GOST)
1638 static ldns_status
1639 ldns_gost_key2buffer_str(ldns_buffer *output, EVP_PKEY *p)
1640 {
1641 unsigned char* pp = NULL;
1642 int ret;
1643 ldns_rdf *b64_bignum;
1644 ldns_status status;
1645
1646 ldns_buffer_printf(output, "GostAsn1: ");
1647
1648 ret = i2d_PrivateKey(p, &pp);
1649 b64_bignum = ldns_rdf_new_frm_data(LDNS_RDF_TYPE_B64, (size_t)ret, pp);
1650 status = ldns_rdf2buffer_str(output, b64_bignum);
1651
1652 ldns_rdf_deep_free(b64_bignum);
1653 OPENSSL_free(pp);
1654 ldns_buffer_printf(output, "\n");
1655 return status;
1656 }
1657 #endif
1658
1659 ldns_status
1660 ldns_key2buffer_str(ldns_buffer *output, const ldns_key *k)
1661 {
1662 ldns_status status = LDNS_STATUS_OK;
1663 unsigned char *bignum;
1664 #ifdef HAVE_SSL
1665 # ifndef S_SPLINT_S
1666 uint16_t i;
1667 # endif
1668 /* not used when ssl is not defined */
1669 /*@unused@*/
1670 ldns_rdf *b64_bignum = NULL;
1671
1672 RSA *rsa;
1673 DSA *dsa;
1674 #endif /* HAVE_SSL */
1675
1676 if (!k) {
1677 return LDNS_STATUS_ERR;
1678 }
1679
1680 bignum = LDNS_XMALLOC(unsigned char, LDNS_MAX_KEYLEN);
1681 if (!bignum) {
1682 return LDNS_STATUS_ERR;
1683 }
1684
1685 if (ldns_buffer_status_ok(output)) {
1686 #ifdef HAVE_SSL
1687 switch(ldns_key_algorithm(k)) {
1688 case LDNS_SIGN_RSASHA1:
1689 case LDNS_SIGN_RSASHA1_NSEC3:
1690 case LDNS_SIGN_RSASHA256:
1691 case LDNS_SIGN_RSASHA512:
1692 case LDNS_SIGN_RSAMD5:
1693 /* copied by looking at dnssec-keygen output */
1694 /* header */
1695 rsa = ldns_key_rsa_key(k);
1696
1697 ldns_buffer_printf(output,"Private-key-format: v1.2\n");
1698 switch(ldns_key_algorithm(k)) {
1699 case LDNS_SIGN_RSAMD5:
1700 ldns_buffer_printf(output,
1701 "Algorithm: %u (RSA)\n",
1702 LDNS_RSAMD5);
1703 break;
1704 case LDNS_SIGN_RSASHA1:
1705 ldns_buffer_printf(output,
1706 "Algorithm: %u (RSASHA1)\n",
1707 LDNS_RSASHA1);
1708 break;
1709 case LDNS_SIGN_RSASHA1_NSEC3:
1710 ldns_buffer_printf(output,
1711 "Algorithm: %u (RSASHA1_NSEC3)\n",
1712 LDNS_RSASHA1_NSEC3);
1713 break;
1714 #ifdef USE_SHA2
1715 case LDNS_SIGN_RSASHA256:
1716 ldns_buffer_printf(output,
1717 "Algorithm: %u (RSASHA256)\n",
1718 LDNS_RSASHA256);
1719 break;
1720 case LDNS_SIGN_RSASHA512:
1721 ldns_buffer_printf(output,
1722 "Algorithm: %u (RSASHA512)\n",
1723 LDNS_RSASHA512);
1724 break;
1725 #endif
1726 default:
1727 fprintf(stderr, "Warning: unknown signature ");
1728 fprintf(stderr,
1729 "algorithm type %u\n",
1730 ldns_key_algorithm(k));
1731 ldns_buffer_printf(output,
1732 "Algorithm: %u (Unknown)\n",
1733 ldns_key_algorithm(k));
1734 break;
1735 }
1736
1737 /* print to buf, convert to bin, convert to b64,
1738 * print to buf */
1739 ldns_buffer_printf(output, "Modulus: ");
1740 #ifndef S_SPLINT_S
1741 i = (uint16_t)BN_bn2bin(rsa->n, bignum);
1742 if (i > LDNS_MAX_KEYLEN) {
1743 goto error;
1744 }
1745 b64_bignum = ldns_rdf_new_frm_data(LDNS_RDF_TYPE_B64, i, bignum);
1746 if (ldns_rdf2buffer_str(output, b64_bignum) != LDNS_STATUS_OK) {
1747 ldns_rdf_deep_free(b64_bignum);
1748 goto error;
1749 }
1750 ldns_rdf_deep_free(b64_bignum);
1751 ldns_buffer_printf(output, "\n");
1752 ldns_buffer_printf(output, "PublicExponent: ");
1753 i = (uint16_t)BN_bn2bin(rsa->e, bignum);
1754 if (i > LDNS_MAX_KEYLEN) {
1755 goto error;
1756 }
1757 b64_bignum = ldns_rdf_new_frm_data(LDNS_RDF_TYPE_B64, i, bignum);
1758 if (ldns_rdf2buffer_str(output, b64_bignum) != LDNS_STATUS_OK) {
1759 ldns_rdf_deep_free(b64_bignum);
1760 goto error;
1761 }
1762 ldns_rdf_deep_free(b64_bignum);
1763 ldns_buffer_printf(output, "\n");
1764
1765 ldns_buffer_printf(output, "PrivateExponent: ");
1766 if (rsa->d) {
1767 i = (uint16_t)BN_bn2bin(rsa->d, bignum);
1768 if (i > LDNS_MAX_KEYLEN) {
1769 goto error;
1770 }
1771 b64_bignum = ldns_rdf_new_frm_data(LDNS_RDF_TYPE_B64, i, bignum);
1772 if (ldns_rdf2buffer_str(output, b64_bignum) != LDNS_STATUS_OK) {
1773 ldns_rdf_deep_free(b64_bignum);
1774 goto error;
1775 }
1776 ldns_rdf_deep_free(b64_bignum);
1777 ldns_buffer_printf(output, "\n");
1778 } else {
1779 ldns_buffer_printf(output, "(Not available)\n");
1780 }
1781
1782 ldns_buffer_printf(output, "Prime1: ");
1783 if (rsa->p) {
1784 i = (uint16_t)BN_bn2bin(rsa->p, bignum);
1785 if (i > LDNS_MAX_KEYLEN) {
1786 goto error;
1787 }
1788 b64_bignum = ldns_rdf_new_frm_data(LDNS_RDF_TYPE_B64, i, bignum);
1789 if (ldns_rdf2buffer_str(output, b64_bignum) != LDNS_STATUS_OK) {
1790 ldns_rdf_deep_free(b64_bignum);
1791 goto error;
1792 }
1793 ldns_rdf_deep_free(b64_bignum);
1794 ldns_buffer_printf(output, "\n");
1795 } else {
1796 ldns_buffer_printf(output, "(Not available)\n");
1797 }
1798
1799 ldns_buffer_printf(output, "Prime2: ");
1800 if (rsa->q) {
1801 i = (uint16_t)BN_bn2bin(rsa->q, bignum);
1802 if (i > LDNS_MAX_KEYLEN) {
1803 goto error;
1804 }
1805 b64_bignum = ldns_rdf_new_frm_data(LDNS_RDF_TYPE_B64, i, bignum);
1806 if (ldns_rdf2buffer_str(output, b64_bignum) != LDNS_STATUS_OK) {
1807 ldns_rdf_deep_free(b64_bignum);
1808 goto error;
1809 }
1810 ldns_rdf_deep_free(b64_bignum);
1811 ldns_buffer_printf(output, "\n");
1812 } else {
1813 ldns_buffer_printf(output, "(Not available)\n");
1814 }
1815
1816 ldns_buffer_printf(output, "Exponent1: ");
1817 if (rsa->dmp1) {
1818 i = (uint16_t)BN_bn2bin(rsa->dmp1, bignum);
1819 if (i > LDNS_MAX_KEYLEN) {
1820 goto error;
1821 }
1822 b64_bignum = ldns_rdf_new_frm_data(LDNS_RDF_TYPE_B64, i, bignum);
1823 if (ldns_rdf2buffer_str(output, b64_bignum) != LDNS_STATUS_OK) {
1824 ldns_rdf_deep_free(b64_bignum);
1825 goto error;
1826 }
1827 ldns_rdf_deep_free(b64_bignum);
1828 ldns_buffer_printf(output, "\n");
1829 } else {
1830 ldns_buffer_printf(output, "(Not available)\n");
1831 }
1832
1833 ldns_buffer_printf(output, "Exponent2: ");
1834 if (rsa->dmq1) {
1835 i = (uint16_t)BN_bn2bin(rsa->dmq1, bignum);
1836 if (i > LDNS_MAX_KEYLEN) {
1837 goto error;
1838 }
1839 b64_bignum = ldns_rdf_new_frm_data(LDNS_RDF_TYPE_B64, i, bignum);
1840 if (ldns_rdf2buffer_str(output, b64_bignum) != LDNS_STATUS_OK) {
1841 ldns_rdf_deep_free(b64_bignum);
1842 goto error;
1843 }
1844 ldns_rdf_deep_free(b64_bignum);
1845 ldns_buffer_printf(output, "\n");
1846 } else {
1847 ldns_buffer_printf(output, "(Not available)\n");
1848 }
1849
1850 ldns_buffer_printf(output, "Coefficient: ");
1851 if (rsa->iqmp) {
1852 i = (uint16_t)BN_bn2bin(rsa->iqmp, bignum);
1853 if (i > LDNS_MAX_KEYLEN) {
1854 goto error;
1855 }
1856 b64_bignum = ldns_rdf_new_frm_data(LDNS_RDF_TYPE_B64, i, bignum);
1857 if (ldns_rdf2buffer_str(output, b64_bignum) != LDNS_STATUS_OK) {
1858 ldns_rdf_deep_free(b64_bignum);
1859 goto error;
1860 }
1861 ldns_rdf_deep_free(b64_bignum);
1862 ldns_buffer_printf(output, "\n");
1863 } else {
1864 ldns_buffer_printf(output, "(Not available)\n");
1865 }
1866 #endif /* splint */
1867
1868 RSA_free(rsa);
1869 break;
1870 case LDNS_SIGN_DSA:
1871 case LDNS_SIGN_DSA_NSEC3:
1872 dsa = ldns_key_dsa_key(k);
1873
1874 ldns_buffer_printf(output,"Private-key-format: v1.2\n");
1875 if (ldns_key_algorithm(k) == LDNS_SIGN_DSA) {
1876 ldns_buffer_printf(output,"Algorithm: 3 (DSA)\n");
1877 } else if (ldns_key_algorithm(k) == LDNS_SIGN_DSA_NSEC3) {
1878 ldns_buffer_printf(output,"Algorithm: 6 (DSA_NSEC3)\n");
1879 }
1880
1881 /* print to buf, convert to bin, convert to b64,
1882 * print to buf */
1883 ldns_buffer_printf(output, "Prime(p): ");
1884 #ifndef S_SPLINT_S
1885 if (dsa->p) {
1886 i = (uint16_t)BN_bn2bin(dsa->p, bignum);
1887 if (i > LDNS_MAX_KEYLEN) {
1888 goto error;
1889 }
1890 b64_bignum = ldns_rdf_new_frm_data(LDNS_RDF_TYPE_B64, i, bignum);
1891 if (ldns_rdf2buffer_str(output, b64_bignum) != LDNS_STATUS_OK) {
1892 ldns_rdf_deep_free(b64_bignum);
1893 goto error;
1894 }
1895 ldns_rdf_deep_free(b64_bignum);
1896 ldns_buffer_printf(output, "\n");
1897 } else {
1898 printf("(Not available)\n");
1899 }
1900
1901 ldns_buffer_printf(output, "Subprime(q): ");
1902 if (dsa->q) {
1903 i = (uint16_t)BN_bn2bin(dsa->q, bignum);
1904 if (i > LDNS_MAX_KEYLEN) {
1905 goto error;
1906 }
1907 b64_bignum = ldns_rdf_new_frm_data(LDNS_RDF_TYPE_B64, i, bignum);
1908 if (ldns_rdf2buffer_str(output, b64_bignum) != LDNS_STATUS_OK) {
1909 ldns_rdf_deep_free(b64_bignum);
1910 goto error;
1911 }
1912 ldns_rdf_deep_free(b64_bignum);
1913 ldns_buffer_printf(output, "\n");
1914 } else {
1915 printf("(Not available)\n");
1916 }
1917
1918 ldns_buffer_printf(output, "Base(g): ");
1919 if (dsa->g) {
1920 i = (uint16_t)BN_bn2bin(dsa->g, bignum);
1921 if (i > LDNS_MAX_KEYLEN) {
1922 goto error;
1923 }
1924 b64_bignum = ldns_rdf_new_frm_data(LDNS_RDF_TYPE_B64, i, bignum);
1925 if (ldns_rdf2buffer_str(output, b64_bignum) != LDNS_STATUS_OK) {
1926 ldns_rdf_deep_free(b64_bignum);
1927 goto error;
1928 }
1929 ldns_rdf_deep_free(b64_bignum);
1930 ldns_buffer_printf(output, "\n");
1931 } else {
1932 printf("(Not available)\n");
1933 }
1934
1935 ldns_buffer_printf(output, "Private_value(x): ");
1936 if (dsa->priv_key) {
1937 i = (uint16_t)BN_bn2bin(dsa->priv_key, bignum);
1938 if (i > LDNS_MAX_KEYLEN) {
1939 goto error;
1940 }
1941 b64_bignum = ldns_rdf_new_frm_data(LDNS_RDF_TYPE_B64, i, bignum);
1942 if (ldns_rdf2buffer_str(output, b64_bignum) != LDNS_STATUS_OK) {
1943 ldns_rdf_deep_free(b64_bignum);
1944 goto error;
1945 }
1946 ldns_rdf_deep_free(b64_bignum);
1947 ldns_buffer_printf(output, "\n");
1948 } else {
1949 printf("(Not available)\n");
1950 }
1951
1952 ldns_buffer_printf(output, "Public_value(y): ");
1953 if (dsa->pub_key) {
1954 i = (uint16_t)BN_bn2bin(dsa->pub_key, bignum);
1955 if (i > LDNS_MAX_KEYLEN) {
1956 goto error;
1957 }
1958 b64_bignum = ldns_rdf_new_frm_data(LDNS_RDF_TYPE_B64, i, bignum);
1959 if (ldns_rdf2buffer_str(output, b64_bignum) != LDNS_STATUS_OK) {
1960 ldns_rdf_deep_free(b64_bignum);
1961 goto error;
1962 }
1963 ldns_rdf_deep_free(b64_bignum);
1964 ldns_buffer_printf(output, "\n");
1965 } else {
1966 printf("(Not available)\n");
1967 }
1968 #endif /* splint */
1969 break;
1970 case LDNS_SIGN_ECC_GOST:
1971 /* no format defined, use blob */
1972 #if defined(HAVE_SSL) && defined(USE_GOST)
1973 ldns_buffer_printf(output, "Private-key-format: v1.2\n");
1974 ldns_buffer_printf(output, "Algorithm: %d (ECC-GOST)\n", LDNS_SIGN_ECC_GOST);
1975 status = ldns_gost_key2buffer_str(output,
1976 #ifndef S_SPLINT_S
1977 k->_key.key
1978 #else
1979 NULL
1980 #endif
1981 );
1982 #else
1983 goto error;
1984 #endif /* GOST */
1985 break;
1986 case LDNS_SIGN_ECDSAP256SHA256:
1987 case LDNS_SIGN_ECDSAP384SHA384:
1988 #ifdef USE_ECDSA
1989 ldns_buffer_printf(output, "Private-key-format: v1.2\n");
1990 ldns_buffer_printf(output, "Algorithm: %d (", ldns_key_algorithm(k));
1991 status=ldns_algorithm2buffer_str(output, (ldns_algorithm)ldns_key_algorithm(k));
1992 #ifndef S_SPLINT_S
1993 ldns_buffer_printf(output, ")\n");
1994 if(k->_key.key) {
1995 EC_KEY* ec = EVP_PKEY_get1_EC_KEY(k->_key.key);
1996 const BIGNUM* b = EC_KEY_get0_private_key(ec);
1997 ldns_buffer_printf(output, "PrivateKey: ");
1998 i = (uint16_t)BN_bn2bin(b, bignum);
1999 if (i > LDNS_MAX_KEYLEN) {
2000 goto error;
2001 }
2002 b64_bignum = ldns_rdf_new_frm_data(LDNS_RDF_TYPE_B64, i, bignum);
2003 if (ldns_rdf2buffer_str(output, b64_bignum) != LDNS_STATUS_OK) {
2004 ldns_rdf_deep_free(b64_bignum);
2005 goto error;
2006 }
2007 ldns_rdf_deep_free(b64_bignum);
2008 ldns_buffer_printf(output, "\n");
2009 /* down reference count in EC_KEY
2010 * its still assigned to the PKEY */
2011 EC_KEY_free(ec);
2012 }
2013 #endif /* splint */
2014 #else
2015 goto error;
2016 #endif /* ECDSA */
2017 break;
2018 case LDNS_SIGN_HMACMD5:
2019 /* there's not much of a format defined for TSIG */
2020 /* It's just a binary blob, Same for all algorithms */
2021 ldns_buffer_printf(output, "Private-key-format: v1.2\n");
2022 ldns_buffer_printf(output, "Algorithm: 157 (HMAC_MD5)\n");
2023 status = ldns_hmac_key2buffer_str(output, k);
2024 break;
2025 case LDNS_SIGN_HMACSHA1:
2026 ldns_buffer_printf(output, "Private-key-format: v1.2\n");
2027 ldns_buffer_printf(output, "Algorithm: 158 (HMAC_SHA1)\n");
2028 status = ldns_hmac_key2buffer_str(output, k);
2029 break;
2030 case LDNS_SIGN_HMACSHA256:
2031 ldns_buffer_printf(output, "Private-key-format: v1.2\n");
2032 ldns_buffer_printf(output, "Algorithm: 159 (HMAC_SHA256)\n");
2033 status = ldns_hmac_key2buffer_str(output, k);
2034 break;
2035 }
2036 #endif /* HAVE_SSL */
2037 } else {
2038 LDNS_FREE(bignum);
2039 return ldns_buffer_status(output);
2040 }
2041 LDNS_FREE(bignum);
2042 return status;
2043
2044 #ifdef HAVE_SSL
2045 /* compiles warn the label isn't used */
2046 error:
2047 LDNS_FREE(bignum);
2048 return LDNS_STATUS_ERR;
2049 #endif /* HAVE_SSL */
2050
2051 }
2052
2053 /*
2054 * Zero terminate the buffer and copy data.
2055 */
2056 char *
2057 ldns_buffer2str(ldns_buffer *buffer)
2058 {
2059 char *str;
2060
2061 /* check if buffer ends with \0, if not, and
2062 if there is space, add it */
2063 if (*(ldns_buffer_at(buffer, ldns_buffer_position(buffer))) != 0) {
2064 if (!ldns_buffer_reserve(buffer, 1)) {
2065 return NULL;
2066 }
2067 ldns_buffer_write_u8(buffer, (uint8_t) '\0');
2068 if (!ldns_buffer_set_capacity(buffer, ldns_buffer_position(buffer))) {
2069 return NULL;
2070 }
2071 }
2072
2073 str = strdup((const char *)ldns_buffer_begin(buffer));
2074 if(!str) {
2075 return NULL;
2076 }
2077 return str;
2078 }
2079
2080 /*
2081 * Zero terminate the buffer and export data.
2082 */
2083 char *
2084 ldns_buffer_export2str(ldns_buffer *buffer)
2085 {
2086 /* Append '\0' as string terminator */
2087 if (! ldns_buffer_reserve(buffer, 1)) {
2088 return NULL;
2089 }
2090 ldns_buffer_write_u8(buffer, 0);
2091
2092 /* reallocate memory to the size of the string and export */
2093 ldns_buffer_set_capacity(buffer, ldns_buffer_position(buffer));
2094 return ldns_buffer_export(buffer);
2095 }
2096
2097 char *
2098 ldns_rdf2str(const ldns_rdf *rdf)
2099 {
2100 char *result = NULL;
2101 ldns_buffer *tmp_buffer = ldns_buffer_new(LDNS_MAX_PACKETLEN);
2102
2103 if (!tmp_buffer) {
2104 return NULL;
2105 }
2106 if (ldns_rdf2buffer_str(tmp_buffer, rdf) == LDNS_STATUS_OK) {
2107 /* export and return string, destroy rest */
2108 result = ldns_buffer_export2str(tmp_buffer);
2109 }
2110 ldns_buffer_free(tmp_buffer);
2111 return result;
2112 }
2113
2114 char *
2115 ldns_rr2str_fmt(const ldns_output_format *fmt, const ldns_rr *rr)
2116 {
2117 char *result = NULL;
2118 ldns_buffer *tmp_buffer = ldns_buffer_new(LDNS_MAX_PACKETLEN);
2119
2120 if (!tmp_buffer) {
2121 return NULL;
2122 }
2123 if (ldns_rr2buffer_str_fmt(tmp_buffer, fmt, rr)
2124 == LDNS_STATUS_OK) {
2125 /* export and return string, destroy rest */
2126 result = ldns_buffer_export2str(tmp_buffer);
2127 }
2128 ldns_buffer_free(tmp_buffer);
2129 return result;
2130 }
2131
2132 char *
2133 ldns_rr2str(const ldns_rr *rr)
2134 {
2135 return ldns_rr2str_fmt(ldns_output_format_default, rr);
2136 }
2137
2138 char *
2139 ldns_pkt2str_fmt(const ldns_output_format *fmt, const ldns_pkt *pkt)
2140 {
2141 char *result = NULL;
2142 ldns_buffer *tmp_buffer = ldns_buffer_new(LDNS_MAX_PACKETLEN);
2143
2144 if (!tmp_buffer) {
2145 return NULL;
2146 }
2147 if (ldns_pkt2buffer_str_fmt(tmp_buffer, fmt, pkt)
2148 == LDNS_STATUS_OK) {
2149 /* export and return string, destroy rest */
2150 result = ldns_buffer_export2str(tmp_buffer);
2151 }
2152
2153 ldns_buffer_free(tmp_buffer);
2154 return result;
2155 }
2156
2157 char *
2158 ldns_pkt2str(const ldns_pkt *pkt)
2159 {
2160 return ldns_pkt2str_fmt(ldns_output_format_default, pkt);
2161 }
2162
2163 char *
2164 ldns_key2str(const ldns_key *k)
2165 {
2166 char *result = NULL;
2167 ldns_buffer *tmp_buffer = ldns_buffer_new(LDNS_MAX_PACKETLEN);
2168
2169 if (!tmp_buffer) {
2170 return NULL;
2171 }
2172 if (ldns_key2buffer_str(tmp_buffer, k) == LDNS_STATUS_OK) {
2173 /* export and return string, destroy rest */
2174 result = ldns_buffer_export2str(tmp_buffer);
2175 }
2176 ldns_buffer_free(tmp_buffer);
2177 return result;
2178 }
2179
2180 char *
2181 ldns_rr_list2str_fmt(const ldns_output_format *fmt, const ldns_rr_list *list)
2182 {
2183 char *result = NULL;
2184 ldns_buffer *tmp_buffer = ldns_buffer_new(LDNS_MAX_PACKETLEN);
2185
2186 if (!tmp_buffer) {
2187 return NULL;
2188 }
2189 if (list) {
2190 if (ldns_rr_list2buffer_str_fmt(
2191 tmp_buffer, fmt, list)
2192 == LDNS_STATUS_OK) {
2193 }
2194 } else {
2195 if (fmt == NULL) {
2196 fmt = ldns_output_format_default;
2197 }
2198 if (fmt->flags & LDNS_COMMENT_NULLS) {
2199 ldns_buffer_printf(tmp_buffer, "; (null)\n");
2200 }
2201 }
2202
2203 /* export and return string, destroy rest */
2204 result = ldns_buffer_export2str(tmp_buffer);
2205 ldns_buffer_free(tmp_buffer);
2206 return result;
2207 }
2208
2209 char *
2210 ldns_rr_list2str(const ldns_rr_list *list)
2211 {
2212 return ldns_rr_list2str_fmt(ldns_output_format_default, list);
2213 }
2214
2215 void
2216 ldns_rdf_print(FILE *output, const ldns_rdf *rdf)
2217 {
2218 char *str = ldns_rdf2str(rdf);
2219 if (str) {
2220 fprintf(output, "%s", str);
2221 } else {
2222 fprintf(output, ";Unable to convert rdf to string\n");
2223 }
2224 LDNS_FREE(str);
2225 }
2226
2227 void
2228 ldns_rr_print_fmt(FILE *output,
2229 const ldns_output_format *fmt, const ldns_rr *rr)
2230 {
2231 char *str = ldns_rr2str_fmt(fmt, rr);
2232 if (str) {
2233 fprintf(output, "%s", str);
2234 } else {
2235 fprintf(output, ";Unable to convert rr to string\n");
2236 }
2237 LDNS_FREE(str);
2238 }
2239
2240 void
2241 ldns_rr_print(FILE *output, const ldns_rr *rr)
2242 {
2243 ldns_rr_print_fmt(output, ldns_output_format_default, rr);
2244 }
2245
2246 void
2247 ldns_pkt_print_fmt(FILE *output,
2248 const ldns_output_format *fmt, const ldns_pkt *pkt)
2249 {
2250 char *str = ldns_pkt2str_fmt(fmt, pkt);
2251 if (str) {
2252 fprintf(output, "%s", str);
2253 } else {
2254 fprintf(output, ";Unable to convert packet to string\n");
2255 }
2256 LDNS_FREE(str);
2257 }
2258
2259 void
2260 ldns_pkt_print(FILE *output, const ldns_pkt *pkt)
2261 {
2262 ldns_pkt_print_fmt(output, ldns_output_format_default, pkt);
2263 }
2264
2265 void
2266 ldns_rr_list_print_fmt(FILE *output,
2267 const ldns_output_format *fmt, const ldns_rr_list *lst)
2268 {
2269 size_t i;
2270 for (i = 0; i < ldns_rr_list_rr_count(lst); i++) {
2271 ldns_rr_print_fmt(output, fmt, ldns_rr_list_rr(lst, i));
2272 }
2273 }
2274
2275 void
2276 ldns_rr_list_print(FILE *output, const ldns_rr_list *lst)
2277 {
2278 ldns_rr_list_print_fmt(output, ldns_output_format_default, lst);
2279 }
2280
2281 void
2282 ldns_resolver_print_fmt(FILE *output,
2283 const ldns_output_format *fmt, const ldns_resolver *r)
2284 {
2285 uint16_t i;
2286 ldns_rdf **n;
2287 ldns_rdf **s;
2288 size_t *rtt;
2289 if (!r) {
2290 return;
2291 }
2292 n = ldns_resolver_nameservers(r);
2293 s = ldns_resolver_searchlist(r);
2294 rtt = ldns_resolver_rtt(r);
2295
2296 fprintf(output, "port: %d\n", (int)ldns_resolver_port(r));
2297 fprintf(output, "edns0 size: %d\n", (int)ldns_resolver_edns_udp_size(r));
2298 fprintf(output, "use ip6: %d\n", (int)ldns_resolver_ip6(r));
2299
2300 fprintf(output, "recursive: %d\n", ldns_resolver_recursive(r));
2301 fprintf(output, "usevc: %d\n", ldns_resolver_usevc(r));
2302 fprintf(output, "igntc: %d\n", ldns_resolver_igntc(r));
2303 fprintf(output, "fail: %d\n", ldns_resolver_fail(r));
2304 fprintf(output, "retry: %d\n", (int)ldns_resolver_retry(r));
2305 fprintf(output, "retrans: %d\n", (int)ldns_resolver_retrans(r));
2306 fprintf(output, "fallback: %d\n", ldns_resolver_fallback(r));
2307 fprintf(output, "random: %d\n", ldns_resolver_random(r));
2308 fprintf(output, "timeout: %d\n", (int)ldns_resolver_timeout(r).tv_sec);
2309 fprintf(output, "dnssec: %d\n", ldns_resolver_dnssec(r));
2310 fprintf(output, "dnssec cd: %d\n", ldns_resolver_dnssec_cd(r));
2311 fprintf(output, "trust anchors (%d listed):\n",
2312 (int)ldns_rr_list_rr_count(ldns_resolver_dnssec_anchors(r)));
2313 ldns_rr_list_print_fmt(output, fmt, ldns_resolver_dnssec_anchors(r));
2314 fprintf(output, "tsig: %s %s\n",
2315 ldns_resolver_tsig_keyname(r)?ldns_resolver_tsig_keyname(r):"-",
2316 ldns_resolver_tsig_algorithm(r)?ldns_resolver_tsig_algorithm(r):"-");
2317 fprintf(output, "debug: %d\n", ldns_resolver_debug(r));
2318
2319 fprintf(output, "default domain: ");
2320 ldns_rdf_print(output, ldns_resolver_domain(r));
2321 fprintf(output, "\n");
2322 fprintf(output, "apply default domain: %d\n", ldns_resolver_defnames(r));
2323
2324 fprintf(output, "searchlist (%d listed):\n", (int)ldns_resolver_searchlist_count(r));
2325 for (i = 0; i < ldns_resolver_searchlist_count(r); i++) {
2326 fprintf(output, "\t");
2327 ldns_rdf_print(output, s[i]);
2328 fprintf(output, "\n");
2329 }
2330 fprintf(output, "apply search list: %d\n", ldns_resolver_dnsrch(r));
2331
2332 fprintf(output, "nameservers (%d listed):\n", (int)ldns_resolver_nameserver_count(r));
2333 for (i = 0; i < ldns_resolver_nameserver_count(r); i++) {
2334 fprintf(output, "\t");
2335 ldns_rdf_print(output, n[i]);
2336
2337 switch ((int)rtt[i]) {
2338 case LDNS_RESOLV_RTT_MIN:
2339 fprintf(output, " - reachable\n");
2340 break;
2341 case LDNS_RESOLV_RTT_INF:
2342 fprintf(output, " - unreachable\n");
2343 break;
2344 }
2345 }
2346 }
2347
2348 void
2349 ldns_resolver_print(FILE *output, const ldns_resolver *r)
2350 {
2351 ldns_resolver_print_fmt(output, ldns_output_format_default, r);
2352 }
2353
2354 void
2355 ldns_zone_print_fmt(FILE *output,
2356 const ldns_output_format *fmt, const ldns_zone *z)
2357 {
2358 if(ldns_zone_soa(z))
2359 ldns_rr_print_fmt(output, fmt, ldns_zone_soa(z));
2360 ldns_rr_list_print_fmt(output, fmt, ldns_zone_rrs(z));
2361 }
2362 void
2363 ldns_zone_print(FILE *output, const ldns_zone *z)
2364 {
2365 ldns_zone_print_fmt(output, ldns_output_format_default, z);
2366 }
DragonFly BSD