2 * wire2str.h - txt presentation of RRs
4 * (c) NLnet Labs, 2005-2006
6 * See the file LICENSE for the license
12 * Contains functions to translate the wireformat to text
13 * representation, as well as functions to print them.
16 #ifndef LDNS_WIRE2STR_H
17 #define LDNS_WIRE2STR_H
22 struct sldns_struct_lookup_table;
24 /* lookup tables for standard DNS stuff */
25 /** Taken from RFC 2535, section 7. */
26 extern struct sldns_struct_lookup_table* sldns_algorithms;
27 /** DS record hash algorithms */
28 extern struct sldns_struct_lookup_table* sldns_hashes;
29 /** Taken from RFC 2538, section 2.1. */
30 extern struct sldns_struct_lookup_table* sldns_cert_algorithms;
32 extern struct sldns_struct_lookup_table* sldns_rcodes;
33 /** Operation codes */
34 extern struct sldns_struct_lookup_table* sldns_opcodes;
36 extern struct sldns_struct_lookup_table* sldns_edns_flags;
37 /** EDNS option codes */
38 extern struct sldns_struct_lookup_table* sldns_edns_options;
39 /** error string from wireparse */
40 extern struct sldns_struct_lookup_table* sldns_wireparse_errors;
41 /** tsig errors are the rcodes with extra (higher) values */
42 extern struct sldns_struct_lookup_table* sldns_tsig_errors;
45 * Convert wireformat packet to a string representation
46 * @param data: wireformat packet data (starting at ID bytes).
47 * @param len: length of packet.
48 * @return string(malloced) or NULL on failure.
50 char* sldns_wire2str_pkt(uint8_t* data, size_t len);
53 * Convert wireformat RR to a string representation.
54 * @param rr: the wireformat RR, in uncompressed form. Starts at the domain
55 * name start, ends with the rdata of the RR.
56 * @param len: length of the rr wireformat.
57 * @return string(malloced) or NULL on failure.
59 char* sldns_wire2str_rr(uint8_t* rr, size_t len);
62 * Conver wire dname to a string.
63 * @param dname: the dname in uncompressed wireformat.
64 * @param dname_len: length of the dname.
65 * @return string or NULL on failure.
67 char* sldns_wire2str_dname(uint8_t* dname, size_t dname_len);
70 * Convert wire RR type to a string, 'MX', 'TYPE1234'...
71 * @param rrtype: the RR type in host order.
72 * @return malloced string with the RR type or NULL on malloc failure.
74 char* sldns_wire2str_type(uint16_t rrtype);
77 * Convert wire RR class to a string, 'IN', 'CLASS1'.
78 * @param rrclass: the RR class in host order.
79 * @return malloced string with the RR class or NULL on malloc failure.
81 char* sldns_wire2str_class(uint16_t rrclass);
84 * Convert wire packet rcode to a string, 'NOERROR', 'NXDOMAIN'...
85 * @param rcode: as integer, host order
86 * @return malloced string with the rcode or NULL on malloc failure.
88 char* sldns_wire2str_rcode(int rcode);
91 * Print to string, move string along for next content. With va_list.
92 * @param str: string buffer. Adjusted at end to after the output.
93 * @param slen: length of the string buffer. Adjusted at end.
94 * @param format: printf format string.
95 * @param args: arguments for printf.
96 * @return number of characters needed. Can be larger than slen.
98 int sldns_str_vprint(char** str, size_t* slen, const char* format, va_list args);
101 * Print to string, move string along for next content.
102 * @param str: string buffer. Adjusted at end to after the output.
103 * @param slen: length of the string buffer. Adjusted at end.
104 * @param format: printf format string and arguments for it.
105 * @return number of characters needed. Can be larger than slen.
107 int sldns_str_print(char** str, size_t* slen, const char* format, ...)
108 ATTR_FORMAT(printf, 3, 4);
111 * Convert wireformat packet to a string representation with user buffer
112 * It appends every RR with default comments.
113 * For more formatter options use the function: TBD(TODO)
114 * @param data: wireformat packet data (starting at ID bytes).
115 * @param data_len: length of packet.
116 * @param str: the string buffer for the output.
117 * If you pass NULL as the str the return value of the function is
118 * the str_len you need for the entire packet. It does not include
119 * the 0 byte at the end.
120 * @param str_len: the size of the string buffer. If more is needed, it'll
121 * silently truncate the output to fit in the buffer.
122 * @return the number of characters for this element, excluding zerobyte.
123 * Is larger or equal than str_len if output was truncated.
125 int sldns_wire2str_pkt_buf(uint8_t* data, size_t data_len, char* str,
129 * Scan wireformat packet to a string representation with user buffer
130 * It appends every RR with default comments.
131 * For more formatter options use the function: TBD(TODO)
132 * @param data: wireformat packet data (starting at ID bytes).
133 * @param data_len: length of packet.
134 * @param str: the string buffer for the output.
135 * @param str_len: the size of the string buffer.
136 * @return number of characters for string.
137 * returns the number of characters that are needed (except terminating null),
138 * so it may return a value larger than str_len.
139 * On error you get less output (i.e. shorter output in str (null terminated))
140 * On exit the data, data_len, str and str_len values are adjusted to move them
141 * from their original position along the input and output for the content
142 * that has been consumed (and produced) by this function. If the end of the
143 * output string is reached, *str_len is set to 0. The output string is null
144 * terminated (shortening the output if necessary). If the end of the input
145 * is reached *data_len is set to 0.
147 int sldns_wire2str_pkt_scan(uint8_t** data, size_t* data_len, char** str,
151 * Scan wireformat rr to string, with user buffers. It shifts the arguments
152 * to move along (see sldns_wire2str_pkt_scan).
153 * @param data: wireformat data.
154 * @param data_len: length of data buffer.
155 * @param str: string buffer.
156 * @param str_len: length of string buffer.
157 * @param pkt: packet for decompression, if NULL no decompression.
158 * @param pktlen: length of packet buffer.
159 * @param comprloop: if pkt, bool detects compression loops.
160 * @return number of characters (except null) needed to print.
162 int sldns_wire2str_rr_scan(uint8_t** data, size_t* data_len, char** str,
163 size_t* str_len, uint8_t* pkt, size_t pktlen, int* comprloop);
166 * Scan wireformat question rr to string, with user buffers.
167 * It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
168 * @param data: wireformat data.
169 * @param data_len: length of data buffer.
170 * @param str: string buffer.
171 * @param str_len: length of string buffer.
172 * @param pkt: packet for decompression, if NULL no decompression.
173 * @param pktlen: length of packet buffer.
174 * @param comprloop: if pkt, bool detects compression loops.
175 * @return number of characters (except null) needed to print.
177 int sldns_wire2str_rrquestion_scan(uint8_t** data, size_t* data_len, char** str,
178 size_t* str_len, uint8_t* pkt, size_t pktlen, int* comprloop);
181 * Scan wireformat RR to string in unknown RR format, with user buffers.
182 * It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
183 * @param data: wireformat data.
184 * @param data_len: length of data buffer.
185 * @param str: string buffer.
186 * @param str_len: length of string buffer.
187 * @param pkt: packet for decompression, if NULL no decompression.
188 * @param pktlen: length of packet buffer.
189 * @param comprloop: if pkt, bool detects compression loops.
190 * @return number of characters (except null) needed to print.
192 int sldns_wire2str_rr_unknown_scan(uint8_t** data, size_t* data_len, char** str,
193 size_t* str_len, uint8_t* pkt, size_t pktlen, int* comprloop);
196 * Print to string the RR-information comment in default format,
197 * with user buffers. Moves string along.
198 * @param str: string buffer.
199 * @param str_len: length of string buffer.
200 * @param rr: wireformat data.
201 * @param rrlen: length of data buffer.
202 * @param dname_off: offset in buffer behind owner dname, the compressed size
204 * @param rrtype: type of the RR, host format.
205 * @return number of characters (except null) needed to print.
207 int sldns_wire2str_rr_comment_print(char** str, size_t* str_len, uint8_t* rr,
208 size_t rrlen, size_t dname_off, uint16_t rrtype);
211 * Scan wireformat packet header to string, with user buffers.
212 * It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
213 * @param data: wireformat data.
214 * @param data_len: length of data buffer.
215 * @param str: string buffer.
216 * @param str_len: length of string buffer.
217 * @return number of characters (except null) needed to print.
219 int sldns_wire2str_header_scan(uint8_t** data, size_t* data_len, char** str,
223 * Scan wireformat rdata to string, with user buffers.
224 * It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
225 * @param data: wireformat data.
226 * @param data_len: length of data buffer. The length of the rdata in the
227 * buffer. The rdatalen itself has already been scanned, the data
228 * points to the rdata after the rdatalen.
229 * @param str: string buffer.
230 * @param str_len: length of string buffer.
231 * @param rrtype: RR type of Rdata, host format.
232 * @param pkt: packet for decompression, if NULL no decompression.
233 * @param pktlen: length of packet buffer.
234 * @param comprloop: if pkt, bool detects compression loops.
235 * @return number of characters (except null) needed to print.
237 int sldns_wire2str_rdata_scan(uint8_t** data, size_t* data_len, char** str,
238 size_t* str_len, uint16_t rrtype, uint8_t* pkt, size_t pktlen,
242 * Scan wireformat rdata to string in unknown format, with user buffers.
243 * It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
244 * @param data: wireformat data.
245 * @param data_len: length of data buffer, the length of the rdata in buffer.
246 * @param str: string buffer.
247 * @param str_len: length of string buffer.
248 * @return number of characters (except null) needed to print.
250 int sldns_wire2str_rdata_unknown_scan(uint8_t** data, size_t* data_len,
251 char** str, size_t* str_len);
254 * Scan wireformat domain name to string, with user buffers.
255 * It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
256 * @param data: wireformat data.
257 * @param data_len: length of data buffer.
258 * @param str: string buffer.
259 * @param str_len: length of string buffer.
260 * @param pkt: packet for decompression, if NULL no decompression.
261 * @param pktlen: length of packet buffer.
262 * @param comprloop: inout bool, that is set true if compression loop failure
263 * happens. Pass in 0, if passsed in as true, a lower bound is set
264 * on compression loops to stop arbitrary long packet parse times.
265 * This is meant so you can set it to 0 at the start of a list of dnames,
266 * and then scan all of them in sequence, if a loop happens, it becomes
267 * true and then it becomes more strict for the next dnames in the list.
268 * You can leave it at NULL if there is no pkt (pkt is NULL too).
269 * @return number of characters (except null) needed to print.
271 int sldns_wire2str_dname_scan(uint8_t** data, size_t* data_len, char** str,
272 size_t* str_len, uint8_t* pkt, size_t pktlen, int* comprloop);
275 * Scan wireformat rr type to string, with user buffers.
276 * It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
277 * @param data: wireformat data.
278 * @param data_len: length of data buffer.
279 * @param str: string buffer.
280 * @param str_len: length of string buffer.
281 * @return number of characters (except null) needed to print.
283 int sldns_wire2str_type_scan(uint8_t** data, size_t* data_len, char** str,
287 * Scan wireformat rr class to string, with user buffers.
288 * It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
289 * @param data: wireformat data.
290 * @param data_len: length of data buffer.
291 * @param str: string buffer.
292 * @param str_len: length of string buffer.
293 * @return number of characters (except null) needed to print.
295 int sldns_wire2str_class_scan(uint8_t** data, size_t* data_len, char** str,
299 * Scan wireformat rr ttl to string, with user buffers.
300 * It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
301 * @param data: wireformat data.
302 * @param data_len: length of data buffer.
303 * @param str: string buffer.
304 * @param str_len: length of string buffer.
305 * @return number of characters (except null) needed to print.
307 int sldns_wire2str_ttl_scan(uint8_t** data, size_t* data_len, char** str,
312 * Print host format rr type to string. Moves string along, user buffers.
313 * @param str: string buffer.
314 * @param str_len: length of string buffer.
315 * @param rrtype: host format rr type.
316 * @return number of characters (except null) needed to print.
318 int sldns_wire2str_type_print(char** str, size_t* str_len, uint16_t rrtype);
321 * Print host format rr class to string. Moves string along, user buffers.
322 * @param str: string buffer.
323 * @param str_len: length of string buffer.
324 * @param rrclass: host format rr class.
325 * @return number of characters (except null) needed to print.
327 int sldns_wire2str_class_print(char** str, size_t* str_len, uint16_t rrclass);
330 * Print host format rcode to string. Moves string along, user buffers.
331 * @param str: string buffer.
332 * @param str_len: length of string buffer.
333 * @param rcode: host format rcode number.
334 * @return number of characters (except null) needed to print.
336 int sldns_wire2str_rcode_print(char** str, size_t* str_len, int rcode);
339 * Print host format opcode to string. Moves string along, user buffers.
340 * @param str: string buffer.
341 * @param str_len: length of string buffer.
342 * @param opcode: host format opcode number.
343 * @return number of characters (except null) needed to print.
345 int sldns_wire2str_opcode_print(char** str, size_t* str_len, int opcode);
348 * Print host format EDNS0 option to string. Moves string along, user buffers.
349 * @param str: string buffer.
350 * @param str_len: length of string buffer.
351 * @param opcode: host format option number.
352 * @return number of characters (except null) needed to print.
354 int sldns_wire2str_edns_option_code_print(char** str, size_t* str_len,
358 * Convert RR to string presentation format, on one line. User buffer.
359 * @param rr: wireformat RR data
360 * @param rr_len: length of the rr wire data.
361 * @param str: the string buffer to write to.
362 * If you pass NULL as the str, the return value of the function is
363 * the str_len you need for the entire packet. It does not include
364 * the 0 byte at the end.
365 * @param str_len: the size of the string buffer. If more is needed, it'll
366 * silently truncate the output to fit in the buffer.
367 * @return the number of characters for this element, excluding zerobyte.
368 * Is larger or equal than str_len if output was truncated.
370 int sldns_wire2str_rr_buf(uint8_t* rr, size_t rr_len, char* str,
374 * Convert question RR to string presentation format, on one line. User buffer.
375 * @param rr: wireformat RR data
376 * @param rr_len: length of the rr wire data.
377 * @param str: the string buffer to write to.
378 * If you pass NULL as the str, the return value of the function is
379 * the str_len you need for the entire packet. It does not include
380 * the 0 byte at the end.
381 * @param str_len: the size of the string buffer. If more is needed, it'll
382 * silently truncate the output to fit in the buffer.
383 * @return the number of characters for this element, excluding zerobyte.
384 * Is larger or equal than str_len if output was truncated.
386 int sldns_wire2str_rrquestion_buf(uint8_t* rr, size_t rr_len, char* str,
390 * 3597 printout of an RR in unknown rr format.
391 * There are more format and comment options available for printout
392 * with the function: TBD(TODO)
393 * @param rr: wireformat RR data
394 * @param rr_len: length of the rr wire data.
395 * @param str: the string buffer to write to.
396 * If you pass NULL as the str, the return value of the function is
397 * the str_len you need for the entire rr. It does not include
398 * the 0 byte at the end.
399 * @param str_len: the size of the string buffer. If more is needed, it'll
400 * silently truncate the output to fit in the buffer.
401 * @return the number of characters for this element, excluding zerobyte.
402 * Is larger or equal than str_len if output was truncated.
404 int sldns_wire2str_rr_unknown_buf(uint8_t* rr, size_t rr_len, char* str,
408 * This creates the comment to print after the RR. ; keytag=... , and other
409 * basic comments for RRs.
410 * There are more format and comment options available for printout
411 * with the function: TBD(TODO)
412 * @param rr: wireformat RR data
413 * @param rr_len: length of the rr wire data.
414 * @param dname_len: length of the dname in front of the RR.
415 * @param str: the string buffer to write to.
416 * If you pass NULL as the str, the return value of the function is
417 * the str_len you need for the entire comment. It does not include
418 * the 0 byte at the end.
419 * @param str_len: the size of the string buffer. If more is needed, it'll
420 * silently truncate the output to fit in the buffer.
421 * @return the number of characters for this element, excluding zerobyte.
422 * Is larger or equal than str_len if output was truncated.
424 int sldns_wire2str_rr_comment_buf(uint8_t* rr, size_t rr_len, size_t dname_len,
425 char* str, size_t str_len);
428 * Convert RDATA to string presentation format, on one line. User buffer.
429 * @param rdata: wireformat rdata part of an RR.
430 * @param rdata_len: length of the rr wire data.
431 * @param str: the string buffer to write to.
432 * If you pass NULL as the str, the return value of the function is
433 * the str_len you need for the entire packet. It does not include
434 * the 0 byte at the end.
435 * @param str_len: the size of the string buffer. If more is needed, it'll
436 * silently truncate the output to fit in the buffer.
437 * @param rrtype: rr type of the data
438 * @return the number of characters for this element, excluding zerobyte.
439 * Is larger or equal than str_len if output was truncated.
441 int sldns_wire2str_rdata_buf(uint8_t* rdata, size_t rdata_len, char* str,
442 size_t str_len, uint16_t rrtype);
445 * Convert wire RR type to a string, 'MX', 'TYPE12'. With user buffer.
446 * @param rrtype: the RR type in host order.
447 * @param str: the string to write to.
448 * @param len: length of str.
449 * @return the number of characters for this element, excluding zerobyte.
450 * Is larger or equal than str_len if output was truncated.
452 int sldns_wire2str_type_buf(uint16_t rrtype, char* str, size_t len);
455 * Convert wire RR class to a string, 'IN', 'CLASS12'. With user buffer.
456 * @param rrclass: the RR class in host order.
457 * @param str: the string to write to.
458 * @param len: length of str.
459 * @return the number of characters for this element, excluding zerobyte.
460 * Is larger or equal than str_len if output was truncated.
462 int sldns_wire2str_class_buf(uint16_t rrclass, char* str, size_t len);
465 * Convert wire RR rcode to a string, 'NOERROR', 'NXDOMAIN'. With user buffer.
466 * @param rcode: rcode as integer in host order
467 * @param str: the string to write to.
468 * @param len: length of str.
469 * @return the number of characters for this element, excluding zerobyte.
470 * Is larger or equal than str_len if output was truncated.
472 int sldns_wire2str_rcode_buf(int rcode, char* str, size_t len);
475 * Convert host format opcode to a string. 'QUERY', 'NOTIFY', 'UPDATE'.
477 * @param opcode: opcode as integer in host order
478 * @param str: the string to write to.
479 * @param len: length of str.
480 * @return the number of characters for this element, excluding zerobyte.
481 * Is larger or equal than str_len if output was truncated.
483 int sldns_wire2str_opcode_buf(int opcode, char* str, size_t len);
486 * Convert wire dname to a string, "example.com.". With user buffer.
487 * @param dname: the dname in uncompressed wireformat.
488 * @param dname_len: length of the dname.
489 * @param str: the string to write to.
490 * @param len: length of string.
491 * @return the number of characters for this element, excluding zerobyte.
492 * Is larger or equal than str_len if output was truncated.
494 int sldns_wire2str_dname_buf(uint8_t* dname, size_t dname_len, char* str,
498 * Scan wireformat rdf field to string, with user buffers.
499 * It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
500 * @param data: wireformat data.
501 * @param data_len: length of data buffer.
502 * @param str: string buffer.
503 * @param str_len: length of string buffer.
504 * @param rdftype: the type of the rdata field, enum sldns_rdf_type.
505 * @param pkt: packet for decompression, if NULL no decompression.
506 * @param pktlen: length of packet buffer.
507 * @param comprloop: if pkt, bool detects compression loops.
508 * @return number of characters (except null) needed to print.
509 * Can return -1 on failure.
511 int sldns_wire2str_rdf_scan(uint8_t** data, size_t* data_len, char** str,
512 size_t* str_len, int rdftype, uint8_t* pkt, size_t pktlen,
516 * Scan wireformat int8 field to string, with user buffers.
517 * It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
518 * @param data: wireformat data.
519 * @param data_len: length of data buffer.
520 * @param str: string buffer.
521 * @param str_len: length of string buffer.
522 * @return number of characters (except null) needed to print.
523 * Can return -1 on failure.
525 int sldns_wire2str_int8_scan(uint8_t** data, size_t* data_len, char** str,
529 * Scan wireformat int16 field to string, with user buffers.
530 * It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
531 * @param data: wireformat data.
532 * @param data_len: length of data buffer.
533 * @param str: string buffer.
534 * @param str_len: length of string buffer.
535 * @return number of characters (except null) needed to print.
536 * Can return -1 on failure.
538 int sldns_wire2str_int16_scan(uint8_t** data, size_t* data_len, char** str,
542 * Scan wireformat int32 field to string, with user buffers.
543 * It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
544 * @param data: wireformat data.
545 * @param data_len: length of data buffer.
546 * @param str: string buffer.
547 * @param str_len: length of string buffer.
548 * @return number of characters (except null) needed to print.
549 * Can return -1 on failure.
551 int sldns_wire2str_int32_scan(uint8_t** data, size_t* data_len, char** str,
555 * Scan wireformat period field to string, with user buffers.
556 * It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
557 * @param data: wireformat data.
558 * @param data_len: length of data buffer.
559 * @param str: string buffer.
560 * @param str_len: length of string buffer.
561 * @return number of characters (except null) needed to print.
562 * Can return -1 on failure.
564 int sldns_wire2str_period_scan(uint8_t** data, size_t* data_len, char** str,
568 * Scan wireformat tsigtime field to string, with user buffers.
569 * It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
570 * @param data: wireformat data.
571 * @param data_len: length of data buffer.
572 * @param str: string buffer.
573 * @param str_len: length of string buffer.
574 * @return number of characters (except null) needed to print.
575 * Can return -1 on failure.
577 int sldns_wire2str_tsigtime_scan(uint8_t** data, size_t* data_len, char** str,
581 * Scan wireformat ip4 A field to string, with user buffers.
582 * It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
583 * @param data: wireformat data.
584 * @param data_len: length of data buffer.
585 * @param str: string buffer.
586 * @param str_len: length of string buffer.
587 * @return number of characters (except null) needed to print.
588 * Can return -1 on failure.
590 int sldns_wire2str_a_scan(uint8_t** data, size_t* data_len, char** str,
594 * Scan wireformat ip6 AAAA field to string, with user buffers.
595 * It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
596 * @param data: wireformat data.
597 * @param data_len: length of data buffer.
598 * @param str: string buffer.
599 * @param str_len: length of string buffer.
600 * @return number of characters (except null) needed to print.
601 * Can return -1 on failure.
603 int sldns_wire2str_aaaa_scan(uint8_t** data, size_t* data_len, char** str,
607 * Scan wireformat str field to string, with user buffers.
608 * It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
609 * @param data: wireformat data.
610 * @param data_len: length of data buffer.
611 * @param str: string buffer.
612 * @param str_len: length of string buffer.
613 * @return number of characters (except null) needed to print.
614 * Can return -1 on failure.
616 int sldns_wire2str_str_scan(uint8_t** data, size_t* data_len, char** str,
620 * Scan wireformat apl field to string, with user buffers.
621 * It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
622 * @param data: wireformat data.
623 * @param data_len: length of data buffer.
624 * @param str: string buffer.
625 * @param str_len: length of string buffer.
626 * @return number of characters (except null) needed to print.
627 * Can return -1 on failure.
629 int sldns_wire2str_apl_scan(uint8_t** data, size_t* data_len, char** str,
633 * Scan wireformat b32_ext field to string, with user buffers.
634 * It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
635 * @param data: wireformat data.
636 * @param data_len: length of data buffer.
637 * @param str: string buffer.
638 * @param str_len: length of string buffer.
639 * @return number of characters (except null) needed to print.
640 * Can return -1 on failure.
642 int sldns_wire2str_b32_ext_scan(uint8_t** data, size_t* data_len, char** str,
646 * Scan wireformat b64 field to string, with user buffers.
647 * It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
648 * @param data: wireformat data.
649 * @param data_len: length of data buffer.
650 * @param str: string buffer.
651 * @param str_len: length of string buffer.
652 * @return number of characters (except null) needed to print.
653 * Can return -1 on failure.
655 int sldns_wire2str_b64_scan(uint8_t** data, size_t* data_len, char** str,
659 * Scan wireformat hex field to string, with user buffers.
660 * It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
661 * @param data: wireformat data.
662 * @param data_len: length of data buffer.
663 * @param str: string buffer.
664 * @param str_len: length of string buffer.
665 * @return number of characters (except null) needed to print.
666 * Can return -1 on failure.
668 int sldns_wire2str_hex_scan(uint8_t** data, size_t* data_len, char** str,
672 * Scan wireformat nsec bitmap field to string, with user buffers.
673 * It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
674 * @param data: wireformat data.
675 * @param data_len: length of data buffer.
676 * @param str: string buffer.
677 * @param str_len: length of string buffer.
678 * @return number of characters (except null) needed to print.
679 * Can return -1 on failure.
681 int sldns_wire2str_nsec_scan(uint8_t** data, size_t* data_len, char** str,
685 * Scan wireformat nsec3_salt field to string, with user buffers.
686 * It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
687 * @param data: wireformat data.
688 * @param data_len: length of data buffer.
689 * @param str: string buffer.
690 * @param str_len: length of string buffer.
691 * @return number of characters (except null) needed to print.
692 * Can return -1 on failure.
694 int sldns_wire2str_nsec3_salt_scan(uint8_t** data, size_t* data_len, char** str,
698 * Scan wireformat cert_alg field to string, with user buffers.
699 * It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
700 * @param data: wireformat data.
701 * @param data_len: length of data buffer.
702 * @param str: string buffer.
703 * @param str_len: length of string buffer.
704 * @return number of characters (except null) needed to print.
705 * Can return -1 on failure.
707 int sldns_wire2str_cert_alg_scan(uint8_t** data, size_t* data_len, char** str,
711 * Scan wireformat alg field to string, with user buffers.
712 * It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
713 * @param data: wireformat data.
714 * @param data_len: length of data buffer.
715 * @param str: string buffer.
716 * @param str_len: length of string buffer.
717 * @return number of characters (except null) needed to print.
718 * Can return -1 on failure.
720 int sldns_wire2str_alg_scan(uint8_t** data, size_t* data_len, char** str,
724 * Scan wireformat type unknown field to string, with user buffers.
725 * It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
726 * @param data: wireformat data.
727 * @param data_len: length of data buffer.
728 * @param str: string buffer.
729 * @param str_len: length of string buffer.
730 * @return number of characters (except null) needed to print.
731 * Can return -1 on failure.
733 int sldns_wire2str_unknown_scan(uint8_t** data, size_t* data_len, char** str,
737 * Scan wireformat time field to string, with user buffers.
738 * It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
739 * @param data: wireformat data.
740 * @param data_len: length of data buffer.
741 * @param str: string buffer.
742 * @param str_len: length of string buffer.
743 * @return number of characters (except null) needed to print.
744 * Can return -1 on failure.
746 int sldns_wire2str_time_scan(uint8_t** data, size_t* data_len, char** str,
750 * Scan wireformat LOC field to string, with user buffers.
751 * It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
752 * @param data: wireformat data.
753 * @param data_len: length of data buffer.
754 * @param str: string buffer.
755 * @param str_len: length of string buffer.
756 * @return number of characters (except null) needed to print.
757 * Can return -1 on failure.
759 int sldns_wire2str_loc_scan(uint8_t** data, size_t* data_len, char** str,
763 * Scan wireformat WKS field to string, with user buffers.
764 * It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
765 * @param data: wireformat data.
766 * @param data_len: length of data buffer.
767 * @param str: string buffer.
768 * @param str_len: length of string buffer.
769 * @return number of characters (except null) needed to print.
770 * Can return -1 on failure.
772 int sldns_wire2str_wks_scan(uint8_t** data, size_t* data_len, char** str,
776 * Scan wireformat NSAP field to string, with user buffers.
777 * It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
778 * @param data: wireformat data.
779 * @param data_len: length of data buffer.
780 * @param str: string buffer.
781 * @param str_len: length of string buffer.
782 * @return number of characters (except null) needed to print.
783 * Can return -1 on failure.
785 int sldns_wire2str_nsap_scan(uint8_t** data, size_t* data_len, char** str,
789 * Scan wireformat ATMA field to string, with user buffers.
790 * It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
791 * @param data: wireformat data.
792 * @param data_len: length of data buffer.
793 * @param str: string buffer.
794 * @param str_len: length of string buffer.
795 * @return number of characters (except null) needed to print.
796 * Can return -1 on failure.
798 int sldns_wire2str_atma_scan(uint8_t** data, size_t* data_len, char** str,
802 * Scan wireformat IPSECKEY field to string, with user buffers.
803 * It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
804 * @param data: wireformat data.
805 * @param data_len: length of data buffer.
806 * @param str: string buffer.
807 * @param str_len: length of string buffer.
808 * @param pkt: packet for decompression, if NULL no decompression.
809 * @param pktlen: length of packet buffer.
810 * @param comprloop: if pkt, bool detects compression loops.
811 * @return number of characters (except null) needed to print.
812 * Can return -1 on failure.
814 int sldns_wire2str_ipseckey_scan(uint8_t** data, size_t* data_len, char** str,
815 size_t* str_len, uint8_t* pkt, size_t pktlen, int* comprloop);
818 * Scan wireformat HIP (algo, HIT, pubkey) field to string, with user buffers.
819 * It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
820 * @param data: wireformat data.
821 * @param data_len: length of data buffer.
822 * @param str: string buffer.
823 * @param str_len: length of string buffer.
824 * @return number of characters (except null) needed to print.
825 * Can return -1 on failure.
827 int sldns_wire2str_hip_scan(uint8_t** data, size_t* data_len, char** str,
831 * Scan wireformat int16_data field to string, with user buffers.
832 * It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
833 * @param data: wireformat data.
834 * @param data_len: length of data buffer.
835 * @param str: string buffer.
836 * @param str_len: length of string buffer.
837 * @return number of characters (except null) needed to print.
838 * Can return -1 on failure.
840 int sldns_wire2str_int16_data_scan(uint8_t** data, size_t* data_len, char** str,
844 * Scan wireformat tsigerror field to string, with user buffers.
845 * It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
846 * @param data: wireformat data.
847 * @param data_len: length of data buffer.
848 * @param str: string buffer.
849 * @param str_len: length of string buffer.
850 * @return number of characters (except null) needed to print.
851 * Can return -1 on failure.
853 int sldns_wire2str_tsigerror_scan(uint8_t** data, size_t* data_len, char** str,
857 * Scan wireformat nsec3_next_owner field to string, with user buffers.
858 * It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
859 * @param data: wireformat data.
860 * @param data_len: length of data buffer.
861 * @param str: string buffer.
862 * @param str_len: length of string buffer.
863 * @return number of characters (except null) needed to print.
864 * Can return -1 on failure.
866 int sldns_wire2str_nsec3_next_owner_scan(uint8_t** data, size_t* data_len,
867 char** str, size_t* str_len);
870 * Scan wireformat ILNP64 field to string, with user buffers.
871 * It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
872 * @param data: wireformat data.
873 * @param data_len: length of data buffer.
874 * @param str: string buffer.
875 * @param str_len: length of string buffer.
876 * @return number of characters (except null) needed to print.
877 * Can return -1 on failure.
879 int sldns_wire2str_ilnp64_scan(uint8_t** data, size_t* data_len, char** str,
883 * Scan wireformat EUI48 field to string, with user buffers.
884 * It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
885 * @param data: wireformat data.
886 * @param data_len: length of data buffer.
887 * @param str: string buffer.
888 * @param str_len: length of string buffer.
889 * @return number of characters (except null) needed to print.
890 * Can return -1 on failure.
892 int sldns_wire2str_eui48_scan(uint8_t** data, size_t* data_len, char** str,
896 * Scan wireformat EUI64 field to string, with user buffers.
897 * It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
898 * @param data: wireformat data.
899 * @param data_len: length of data buffer.
900 * @param str: string buffer.
901 * @param str_len: length of string buffer.
902 * @return number of characters (except null) needed to print.
903 * Can return -1 on failure.
905 int sldns_wire2str_eui64_scan(uint8_t** data, size_t* data_len, char** str,
909 * Scan wireformat TAG field to string, with user buffers.
910 * It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
911 * @param data: wireformat data.
912 * @param data_len: length of data buffer.
913 * @param str: string buffer.
914 * @param str_len: length of string buffer.
915 * @return number of characters (except null) needed to print.
916 * Can return -1 on failure.
918 int sldns_wire2str_tag_scan(uint8_t** data, size_t* data_len, char** str,
922 * Scan wireformat long_str field to string, with user buffers.
923 * It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
924 * @param data: wireformat data.
925 * @param data_len: length of data buffer.
926 * @param str: string buffer.
927 * @param str_len: length of string buffer.
928 * @return number of characters (except null) needed to print.
929 * Can return -1 on failure.
931 int sldns_wire2str_long_str_scan(uint8_t** data, size_t* data_len, char** str,
935 * Print EDNS LLQ option data to string. User buffers, moves string pointers.
936 * @param str: string buffer.
937 * @param str_len: length of string buffer.
938 * @param option_data: buffer with EDNS option code data.
939 * @param option_len: length of the data for this option.
940 * @return number of characters (except null) needed to print.
942 int sldns_wire2str_edns_llq_print(char** str, size_t* str_len,
943 uint8_t* option_data, size_t option_len);
946 * Print EDNS UL option data to string. User buffers, moves string pointers.
947 * @param str: string buffer.
948 * @param str_len: length of string buffer.
949 * @param option_data: buffer with EDNS option code data.
950 * @param option_len: length of the data for this option.
951 * @return number of characters (except null) needed to print.
953 int sldns_wire2str_edns_ul_print(char** str, size_t* str_len,
954 uint8_t* option_data, size_t option_len);
957 * Print EDNS NSID option data to string. User buffers, moves string pointers.
958 * @param str: string buffer.
959 * @param str_len: length of string buffer.
960 * @param option_data: buffer with EDNS option code data.
961 * @param option_len: length of the data for this option.
962 * @return number of characters (except null) needed to print.
964 int sldns_wire2str_edns_nsid_print(char** str, size_t* str_len,
965 uint8_t* option_data, size_t option_len);
968 * Print EDNS DAU option data to string. User buffers, moves string pointers.
969 * @param str: string buffer.
970 * @param str_len: length of string buffer.
971 * @param option_data: buffer with EDNS option code data.
972 * @param option_len: length of the data for this option.
973 * @return number of characters (except null) needed to print.
975 int sldns_wire2str_edns_dau_print(char** str, size_t* str_len,
976 uint8_t* option_data, size_t option_len);
979 * Print EDNS DHU option data to string. User buffers, moves string pointers.
980 * @param str: string buffer.
981 * @param str_len: length of string buffer.
982 * @param option_data: buffer with EDNS option code data.
983 * @param option_len: length of the data for this option.
984 * @return number of characters (except null) needed to print.
986 int sldns_wire2str_edns_dhu_print(char** str, size_t* str_len,
987 uint8_t* option_data, size_t option_len);
990 * Print EDNS N3U option data to string. User buffers, moves string pointers.
991 * @param str: string buffer.
992 * @param str_len: length of string buffer.
993 * @param option_data: buffer with EDNS option code data.
994 * @param option_len: length of the data for this option.
995 * @return number of characters (except null) needed to print.
997 int sldns_wire2str_edns_n3u_print(char** str, size_t* str_len,
998 uint8_t* option_data, size_t option_len);
1001 * Print EDNS SUBNET option data to string. User buffers, moves string pointers.
1002 * @param str: string buffer.
1003 * @param str_len: length of string buffer.
1004 * @param option_data: buffer with EDNS option code data.
1005 * @param option_len: length of the data for this option.
1006 * @return number of characters (except null) needed to print.
1008 int sldns_wire2str_edns_subnet_print(char** str, size_t* str_len,
1009 uint8_t* option_data, size_t option_len);
1012 * Print an EDNS option as OPT: VALUE. User buffers, moves string pointers.
1013 * @param str: string buffer.
1014 * @param str_len: length of string buffer.
1015 * @param option_code: host format EDNS option code.
1016 * @param option_data: buffer with EDNS option code data.
1017 * @param option_len: length of the data for this option.
1018 * @return number of characters (except null) needed to print.
1020 int sldns_wire2str_edns_option_print(char** str, size_t* str_len,
1021 uint16_t option_code, uint8_t* option_data, size_t option_len);
1024 * Scan wireformat EDNS OPT to string, with user buffers.
1025 * It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
1026 * @param data: wireformat data.
1027 * @param data_len: length of data buffer.
1028 * @param str: string buffer.
1029 * @param str_len: length of string buffer.
1030 * @param pkt: packet with header and other info (may be NULL)
1031 * @param pktlen: length of packet buffer.
1032 * @return number of characters (except null) needed to print.
1034 int sldns_wire2str_edns_scan(uint8_t** data, size_t* data_len, char** str,
1035 size_t* str_len, uint8_t* pkt, size_t pktlen);
1041 #endif /* LDNS_WIRE2STR_H */