a85b5759f3
These files were pulled from the 1.6.3 release tarball. This new version builds against OpenSSL version 1.1 which will be the default in the new Debian Stable which is due to be released RealSoonNow (tm).
995 lines
38 KiB
C
995 lines
38 KiB
C
/**
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* wire2str.h - txt presentation of RRs
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*
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* (c) NLnet Labs, 2005-2006
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*
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* See the file LICENSE for the license
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*/
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/**
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* \file
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*
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* Contains functions to translate the wireformat to text
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* representation, as well as functions to print them.
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*/
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#ifndef LDNS_WIRE2STR_H
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#define LDNS_WIRE2STR_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct sldns_struct_lookup_table;
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/* lookup tables for standard DNS stuff */
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/** Taken from RFC 2535, section 7. */
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extern struct sldns_struct_lookup_table* sldns_algorithms;
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/** DS record hash algorithms */
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extern struct sldns_struct_lookup_table* sldns_hashes;
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/** Taken from RFC 2538, section 2.1. */
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extern struct sldns_struct_lookup_table* sldns_cert_algorithms;
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/** Response codes */
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extern struct sldns_struct_lookup_table* sldns_rcodes;
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/** Operation codes */
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extern struct sldns_struct_lookup_table* sldns_opcodes;
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/** EDNS flags */
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extern struct sldns_struct_lookup_table* sldns_edns_flags;
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/** EDNS option codes */
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extern struct sldns_struct_lookup_table* sldns_edns_options;
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/** error string from wireparse */
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extern struct sldns_struct_lookup_table* sldns_wireparse_errors;
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/**
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* Convert wireformat packet to a string representation
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* @param data: wireformat packet data (starting at ID bytes).
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* @param len: length of packet.
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* @return string(malloced) or NULL on failure.
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*/
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char* sldns_wire2str_pkt(uint8_t* data, size_t len);
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/**
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* Convert wireformat RR to a string representation.
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* @param rr: the wireformat RR, in uncompressed form. Starts at the domain
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* name start, ends with the rdata of the RR.
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* @param len: length of the rr wireformat.
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* @return string(malloced) or NULL on failure.
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*/
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char* sldns_wire2str_rr(uint8_t* rr, size_t len);
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/**
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* Conver wire dname to a string.
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* @param dname: the dname in uncompressed wireformat.
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* @param dname_len: length of the dname.
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* @return string or NULL on failure.
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*/
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char* sldns_wire2str_dname(uint8_t* dname, size_t dname_len);
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/**
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* Convert wire RR type to a string, 'MX', 'TYPE1234'...
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* @param rrtype: the RR type in host order.
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* @return malloced string with the RR type or NULL on malloc failure.
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*/
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char* sldns_wire2str_type(uint16_t rrtype);
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/**
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* Convert wire RR class to a string, 'IN', 'CLASS1'.
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* @param rrclass: the RR class in host order.
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* @return malloced string with the RR class or NULL on malloc failure.
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*/
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char* sldns_wire2str_class(uint16_t rrclass);
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/**
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* Convert wire packet rcode to a string, 'NOERROR', 'NXDOMAIN'...
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* @param rcode: as integer, host order
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* @return malloced string with the rcode or NULL on malloc failure.
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*/
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char* sldns_wire2str_rcode(int rcode);
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/**
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* Print to string, move string along for next content. With va_list.
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* @param str: string buffer. Adjusted at end to after the output.
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* @param slen: length of the string buffer. Adjusted at end.
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* @param format: printf format string.
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* @param args: arguments for printf.
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* @return number of characters needed. Can be larger than slen.
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*/
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int sldns_str_vprint(char** str, size_t* slen, const char* format, va_list args);
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/**
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* Print to string, move string along for next content.
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* @param str: string buffer. Adjusted at end to after the output.
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* @param slen: length of the string buffer. Adjusted at end.
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* @param format: printf format string and arguments for it.
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* @return number of characters needed. Can be larger than slen.
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*/
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int sldns_str_print(char** str, size_t* slen, const char* format, ...)
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ATTR_FORMAT(printf, 3, 4);
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/**
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* Convert wireformat packet to a string representation with user buffer
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* It appends every RR with default comments.
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* For more formatter options use the function: TBD(TODO)
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* @param data: wireformat packet data (starting at ID bytes).
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* @param data_len: length of packet.
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* @param str: the string buffer for the output.
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* If you pass NULL as the str the return value of the function is
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* the str_len you need for the entire packet. It does not include
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* the 0 byte at the end.
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* @param str_len: the size of the string buffer. If more is needed, it'll
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* silently truncate the output to fit in the buffer.
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* @return the number of characters for this element, excluding zerobyte.
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* Is larger or equal than str_len if output was truncated.
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*/
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int sldns_wire2str_pkt_buf(uint8_t* data, size_t data_len, char* str,
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size_t str_len);
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/**
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* Scan wireformat packet to a string representation with user buffer
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* It appends every RR with default comments.
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* For more formatter options use the function: TBD(TODO)
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* @param data: wireformat packet data (starting at ID bytes).
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* @param data_len: length of packet.
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* @param str: the string buffer for the output.
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* @param str_len: the size of the string buffer.
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* @return number of characters for string.
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* returns the number of characters that are needed (except terminating null),
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* so it may return a value larger than str_len.
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* On error you get less output (i.e. shorter output in str (null terminated))
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* On exit the data, data_len, str and str_len values are adjusted to move them
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* from their original position along the input and output for the content
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* that has been consumed (and produced) by this function. If the end of the
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* output string is reached, *str_len is set to 0. The output string is null
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* terminated (shortening the output if necessary). If the end of the input
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* is reached *data_len is set to 0.
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*/
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int sldns_wire2str_pkt_scan(uint8_t** data, size_t* data_len, char** str,
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size_t* str_len);
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/**
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* Scan wireformat rr to string, with user buffers. It shifts the arguments
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* to move along (see sldns_wire2str_pkt_scan).
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* @param data: wireformat data.
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* @param data_len: length of data buffer.
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* @param str: string buffer.
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* @param str_len: length of string buffer.
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* @param pkt: packet for decompression, if NULL no decompression.
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* @param pktlen: length of packet buffer.
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* @return number of characters (except null) needed to print.
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*/
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int sldns_wire2str_rr_scan(uint8_t** data, size_t* data_len, char** str,
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size_t* str_len, uint8_t* pkt, size_t pktlen);
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/**
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* Scan wireformat question rr to string, with user buffers.
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* It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
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* @param data: wireformat data.
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* @param data_len: length of data buffer.
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* @param str: string buffer.
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* @param str_len: length of string buffer.
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* @param pkt: packet for decompression, if NULL no decompression.
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* @param pktlen: length of packet buffer.
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* @return number of characters (except null) needed to print.
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*/
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int sldns_wire2str_rrquestion_scan(uint8_t** data, size_t* data_len, char** str,
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size_t* str_len, uint8_t* pkt, size_t pktlen);
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/**
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* Scan wireformat RR to string in unknown RR format, with user buffers.
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* It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
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* @param data: wireformat data.
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* @param data_len: length of data buffer.
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* @param str: string buffer.
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* @param str_len: length of string buffer.
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* @param pkt: packet for decompression, if NULL no decompression.
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* @param pktlen: length of packet buffer.
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* @return number of characters (except null) needed to print.
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*/
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int sldns_wire2str_rr_unknown_scan(uint8_t** data, size_t* data_len, char** str,
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size_t* str_len, uint8_t* pkt, size_t pktlen);
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/**
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* Print to string the RR-information comment in default format,
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* with user buffers. Moves string along.
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* @param str: string buffer.
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* @param str_len: length of string buffer.
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* @param rr: wireformat data.
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* @param rrlen: length of data buffer.
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* @param dname_off: offset in buffer behind owner dname, the compressed size
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* of the owner name.
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* @param rrtype: type of the RR, host format.
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* @return number of characters (except null) needed to print.
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*/
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int sldns_wire2str_rr_comment_print(char** str, size_t* str_len, uint8_t* rr,
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size_t rrlen, size_t dname_off, uint16_t rrtype);
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/**
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* Scan wireformat packet header to string, with user buffers.
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* It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
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* @param data: wireformat data.
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* @param data_len: length of data buffer.
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* @param str: string buffer.
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* @param str_len: length of string buffer.
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* @return number of characters (except null) needed to print.
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*/
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int sldns_wire2str_header_scan(uint8_t** data, size_t* data_len, char** str,
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size_t* str_len);
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/**
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* Scan wireformat rdata to string, with user buffers.
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* It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
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* @param data: wireformat data.
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* @param data_len: length of data buffer. The length of the rdata in the
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* buffer. The rdatalen itself has already been scanned, the data
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* points to the rdata after the rdatalen.
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* @param str: string buffer.
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* @param str_len: length of string buffer.
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* @param rrtype: RR type of Rdata, host format.
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* @param pkt: packet for decompression, if NULL no decompression.
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* @param pktlen: length of packet buffer.
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* @return number of characters (except null) needed to print.
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*/
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int sldns_wire2str_rdata_scan(uint8_t** data, size_t* data_len, char** str,
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size_t* str_len, uint16_t rrtype, uint8_t* pkt, size_t pktlen);
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/**
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* Scan wireformat rdata to string in unknown format, with user buffers.
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* It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
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* @param data: wireformat data.
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* @param data_len: length of data buffer, the length of the rdata in buffer.
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* @param str: string buffer.
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* @param str_len: length of string buffer.
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* @return number of characters (except null) needed to print.
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*/
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int sldns_wire2str_rdata_unknown_scan(uint8_t** data, size_t* data_len,
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char** str, size_t* str_len);
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/**
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* Scan wireformat domain name to string, with user buffers.
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* It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
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* @param data: wireformat data.
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* @param data_len: length of data buffer.
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* @param str: string buffer.
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* @param str_len: length of string buffer.
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* @param pkt: packet for decompression, if NULL no decompression.
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* @param pktlen: length of packet buffer.
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* @return number of characters (except null) needed to print.
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*/
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int sldns_wire2str_dname_scan(uint8_t** data, size_t* data_len, char** str,
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size_t* str_len, uint8_t* pkt, size_t pktlen);
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/**
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* Scan wireformat rr type to string, with user buffers.
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* It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
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* @param data: wireformat data.
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* @param data_len: length of data buffer.
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* @param str: string buffer.
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* @param str_len: length of string buffer.
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* @return number of characters (except null) needed to print.
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*/
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int sldns_wire2str_type_scan(uint8_t** data, size_t* data_len, char** str,
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size_t* str_len);
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/**
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* Scan wireformat rr class to string, with user buffers.
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* It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
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* @param data: wireformat data.
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* @param data_len: length of data buffer.
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* @param str: string buffer.
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* @param str_len: length of string buffer.
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* @return number of characters (except null) needed to print.
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*/
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int sldns_wire2str_class_scan(uint8_t** data, size_t* data_len, char** str,
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size_t* str_len);
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/**
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* Scan wireformat rr ttl to string, with user buffers.
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* It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
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* @param data: wireformat data.
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* @param data_len: length of data buffer.
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* @param str: string buffer.
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* @param str_len: length of string buffer.
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* @return number of characters (except null) needed to print.
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*/
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int sldns_wire2str_ttl_scan(uint8_t** data, size_t* data_len, char** str,
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size_t* str_len);
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/**
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* Print host format rr type to string. Moves string along, user buffers.
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* @param str: string buffer.
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* @param str_len: length of string buffer.
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* @param rrtype: host format rr type.
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* @return number of characters (except null) needed to print.
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*/
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int sldns_wire2str_type_print(char** str, size_t* str_len, uint16_t rrtype);
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/**
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* Print host format rr class to string. Moves string along, user buffers.
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* @param str: string buffer.
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* @param str_len: length of string buffer.
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* @param rrclass: host format rr class.
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* @return number of characters (except null) needed to print.
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*/
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int sldns_wire2str_class_print(char** str, size_t* str_len, uint16_t rrclass);
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/**
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* Print host format rcode to string. Moves string along, user buffers.
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* @param str: string buffer.
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* @param str_len: length of string buffer.
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* @param rcode: host format rcode number.
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* @return number of characters (except null) needed to print.
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*/
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int sldns_wire2str_rcode_print(char** str, size_t* str_len, int rcode);
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/**
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* Print host format opcode to string. Moves string along, user buffers.
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* @param str: string buffer.
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* @param str_len: length of string buffer.
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* @param opcode: host format opcode number.
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* @return number of characters (except null) needed to print.
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*/
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int sldns_wire2str_opcode_print(char** str, size_t* str_len, int opcode);
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/**
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* Print host format EDNS0 option to string. Moves string along, user buffers.
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* @param str: string buffer.
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* @param str_len: length of string buffer.
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* @param opcode: host format option number.
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* @return number of characters (except null) needed to print.
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*/
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int sldns_wire2str_edns_option_code_print(char** str, size_t* str_len,
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uint16_t opcode);
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/**
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* Convert RR to string presentation format, on one line. User buffer.
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* @param rr: wireformat RR data
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* @param rr_len: length of the rr wire data.
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* @param str: the string buffer to write to.
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* If you pass NULL as the str, the return value of the function is
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* the str_len you need for the entire packet. It does not include
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* the 0 byte at the end.
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* @param str_len: the size of the string buffer. If more is needed, it'll
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* silently truncate the output to fit in the buffer.
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* @return the number of characters for this element, excluding zerobyte.
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* Is larger or equal than str_len if output was truncated.
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*/
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int sldns_wire2str_rr_buf(uint8_t* rr, size_t rr_len, char* str,
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size_t str_len);
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/**
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* 3597 printout of an RR in unknown rr format.
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* There are more format and comment options available for printout
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* with the function: TBD(TODO)
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* @param rr: wireformat RR data
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* @param rr_len: length of the rr wire data.
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* @param str: the string buffer to write to.
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* If you pass NULL as the str, the return value of the function is
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* the str_len you need for the entire rr. It does not include
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* the 0 byte at the end.
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* @param str_len: the size of the string buffer. If more is needed, it'll
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* silently truncate the output to fit in the buffer.
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* @return the number of characters for this element, excluding zerobyte.
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* Is larger or equal than str_len if output was truncated.
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*/
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int sldns_wire2str_rr_unknown_buf(uint8_t* rr, size_t rr_len, char* str,
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size_t str_len);
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/**
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* This creates the comment to print after the RR. ; keytag=... , and other
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* basic comments for RRs.
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* There are more format and comment options available for printout
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* with the function: TBD(TODO)
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* @param rr: wireformat RR data
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* @param rr_len: length of the rr wire data.
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* @param dname_len: length of the dname in front of the RR.
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* @param str: the string buffer to write to.
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* If you pass NULL as the str, the return value of the function is
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* the str_len you need for the entire comment. It does not include
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* the 0 byte at the end.
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* @param str_len: the size of the string buffer. If more is needed, it'll
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* silently truncate the output to fit in the buffer.
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* @return the number of characters for this element, excluding zerobyte.
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* Is larger or equal than str_len if output was truncated.
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*/
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int sldns_wire2str_rr_comment_buf(uint8_t* rr, size_t rr_len, size_t dname_len,
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char* str, size_t str_len);
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/**
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* Convert RDATA to string presentation format, on one line. User buffer.
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* @param rdata: wireformat rdata part of an RR.
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* @param rdata_len: length of the rr wire data.
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* @param str: the string buffer to write to.
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* If you pass NULL as the str, the return value of the function is
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* the str_len you need for the entire packet. It does not include
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* the 0 byte at the end.
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* @param str_len: the size of the string buffer. If more is needed, it'll
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* silently truncate the output to fit in the buffer.
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* @param rrtype: rr type of the data
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* @return the number of characters for this element, excluding zerobyte.
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* Is larger or equal than str_len if output was truncated.
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*/
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int sldns_wire2str_rdata_buf(uint8_t* rdata, size_t rdata_len, char* str,
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size_t str_len, uint16_t rrtype);
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/**
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* Convert wire RR type to a string, 'MX', 'TYPE12'. With user buffer.
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* @param rrtype: the RR type in host order.
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* @param str: the string to write to.
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* @param len: length of str.
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* @return the number of characters for this element, excluding zerobyte.
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* Is larger or equal than str_len if output was truncated.
|
|
*/
|
|
int sldns_wire2str_type_buf(uint16_t rrtype, char* str, size_t len);
|
|
|
|
/**
|
|
* Convert wire RR class to a string, 'IN', 'CLASS12'. With user buffer.
|
|
* @param rrclass: the RR class in host order.
|
|
* @param str: the string to write to.
|
|
* @param len: length of str.
|
|
* @return the number of characters for this element, excluding zerobyte.
|
|
* Is larger or equal than str_len if output was truncated.
|
|
*/
|
|
int sldns_wire2str_class_buf(uint16_t rrclass, char* str, size_t len);
|
|
|
|
/**
|
|
* Convert wire RR rcode to a string, 'NOERROR', 'NXDOMAIN'. With user buffer.
|
|
* @param rcode: rcode as integer in host order
|
|
* @param str: the string to write to.
|
|
* @param len: length of str.
|
|
* @return the number of characters for this element, excluding zerobyte.
|
|
* Is larger or equal than str_len if output was truncated.
|
|
*/
|
|
int sldns_wire2str_rcode_buf(int rcode, char* str, size_t len);
|
|
|
|
/**
|
|
* Convert host format opcode to a string. 'QUERY', 'NOTIFY', 'UPDATE'.
|
|
* With user buffer.
|
|
* @param opcode: opcode as integer in host order
|
|
* @param str: the string to write to.
|
|
* @param len: length of str.
|
|
* @return the number of characters for this element, excluding zerobyte.
|
|
* Is larger or equal than str_len if output was truncated.
|
|
*/
|
|
int sldns_wire2str_opcode_buf(int opcode, char* str, size_t len);
|
|
|
|
/**
|
|
* Convert wire dname to a string, "example.com.". With user buffer.
|
|
* @param dname: the dname in uncompressed wireformat.
|
|
* @param dname_len: length of the dname.
|
|
* @param str: the string to write to.
|
|
* @param len: length of string.
|
|
* @return the number of characters for this element, excluding zerobyte.
|
|
* Is larger or equal than str_len if output was truncated.
|
|
*/
|
|
int sldns_wire2str_dname_buf(uint8_t* dname, size_t dname_len, char* str,
|
|
size_t len);
|
|
|
|
/**
|
|
* Scan wireformat rdf field to string, with user buffers.
|
|
* It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
|
|
* @param data: wireformat data.
|
|
* @param data_len: length of data buffer.
|
|
* @param str: string buffer.
|
|
* @param str_len: length of string buffer.
|
|
* @param rdftype: the type of the rdata field, enum sldns_rdf_type.
|
|
* @param pkt: packet for decompression, if NULL no decompression.
|
|
* @param pktlen: length of packet buffer.
|
|
* @return number of characters (except null) needed to print.
|
|
* Can return -1 on failure.
|
|
*/
|
|
int sldns_wire2str_rdf_scan(uint8_t** data, size_t* data_len, char** str,
|
|
size_t* str_len, int rdftype, uint8_t* pkt, size_t pktlen);
|
|
|
|
/**
|
|
* Scan wireformat int8 field to string, with user buffers.
|
|
* It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
|
|
* @param data: wireformat data.
|
|
* @param data_len: length of data buffer.
|
|
* @param str: string buffer.
|
|
* @param str_len: length of string buffer.
|
|
* @return number of characters (except null) needed to print.
|
|
* Can return -1 on failure.
|
|
*/
|
|
int sldns_wire2str_int8_scan(uint8_t** data, size_t* data_len, char** str,
|
|
size_t* str_len);
|
|
|
|
/**
|
|
* Scan wireformat int16 field to string, with user buffers.
|
|
* It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
|
|
* @param data: wireformat data.
|
|
* @param data_len: length of data buffer.
|
|
* @param str: string buffer.
|
|
* @param str_len: length of string buffer.
|
|
* @return number of characters (except null) needed to print.
|
|
* Can return -1 on failure.
|
|
*/
|
|
int sldns_wire2str_int16_scan(uint8_t** data, size_t* data_len, char** str,
|
|
size_t* str_len);
|
|
|
|
/**
|
|
* Scan wireformat int32 field to string, with user buffers.
|
|
* It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
|
|
* @param data: wireformat data.
|
|
* @param data_len: length of data buffer.
|
|
* @param str: string buffer.
|
|
* @param str_len: length of string buffer.
|
|
* @return number of characters (except null) needed to print.
|
|
* Can return -1 on failure.
|
|
*/
|
|
int sldns_wire2str_int32_scan(uint8_t** data, size_t* data_len, char** str,
|
|
size_t* str_len);
|
|
|
|
/**
|
|
* Scan wireformat period field to string, with user buffers.
|
|
* It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
|
|
* @param data: wireformat data.
|
|
* @param data_len: length of data buffer.
|
|
* @param str: string buffer.
|
|
* @param str_len: length of string buffer.
|
|
* @return number of characters (except null) needed to print.
|
|
* Can return -1 on failure.
|
|
*/
|
|
int sldns_wire2str_period_scan(uint8_t** data, size_t* data_len, char** str,
|
|
size_t* str_len);
|
|
|
|
/**
|
|
* Scan wireformat tsigtime field to string, with user buffers.
|
|
* It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
|
|
* @param data: wireformat data.
|
|
* @param data_len: length of data buffer.
|
|
* @param str: string buffer.
|
|
* @param str_len: length of string buffer.
|
|
* @return number of characters (except null) needed to print.
|
|
* Can return -1 on failure.
|
|
*/
|
|
int sldns_wire2str_tsigtime_scan(uint8_t** data, size_t* data_len, char** str,
|
|
size_t* str_len);
|
|
|
|
/**
|
|
* Scan wireformat ip4 A field to string, with user buffers.
|
|
* It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
|
|
* @param data: wireformat data.
|
|
* @param data_len: length of data buffer.
|
|
* @param str: string buffer.
|
|
* @param str_len: length of string buffer.
|
|
* @return number of characters (except null) needed to print.
|
|
* Can return -1 on failure.
|
|
*/
|
|
int sldns_wire2str_a_scan(uint8_t** data, size_t* data_len, char** str,
|
|
size_t* str_len);
|
|
|
|
/**
|
|
* Scan wireformat ip6 AAAA field to string, with user buffers.
|
|
* It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
|
|
* @param data: wireformat data.
|
|
* @param data_len: length of data buffer.
|
|
* @param str: string buffer.
|
|
* @param str_len: length of string buffer.
|
|
* @return number of characters (except null) needed to print.
|
|
* Can return -1 on failure.
|
|
*/
|
|
int sldns_wire2str_aaaa_scan(uint8_t** data, size_t* data_len, char** str,
|
|
size_t* str_len);
|
|
|
|
/**
|
|
* Scan wireformat str field to string, with user buffers.
|
|
* It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
|
|
* @param data: wireformat data.
|
|
* @param data_len: length of data buffer.
|
|
* @param str: string buffer.
|
|
* @param str_len: length of string buffer.
|
|
* @return number of characters (except null) needed to print.
|
|
* Can return -1 on failure.
|
|
*/
|
|
int sldns_wire2str_str_scan(uint8_t** data, size_t* data_len, char** str,
|
|
size_t* str_len);
|
|
|
|
/**
|
|
* Scan wireformat apl field to string, with user buffers.
|
|
* It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
|
|
* @param data: wireformat data.
|
|
* @param data_len: length of data buffer.
|
|
* @param str: string buffer.
|
|
* @param str_len: length of string buffer.
|
|
* @return number of characters (except null) needed to print.
|
|
* Can return -1 on failure.
|
|
*/
|
|
int sldns_wire2str_apl_scan(uint8_t** data, size_t* data_len, char** str,
|
|
size_t* str_len);
|
|
|
|
/**
|
|
* Scan wireformat b32_ext field to string, with user buffers.
|
|
* It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
|
|
* @param data: wireformat data.
|
|
* @param data_len: length of data buffer.
|
|
* @param str: string buffer.
|
|
* @param str_len: length of string buffer.
|
|
* @return number of characters (except null) needed to print.
|
|
* Can return -1 on failure.
|
|
*/
|
|
int sldns_wire2str_b32_ext_scan(uint8_t** data, size_t* data_len, char** str,
|
|
size_t* str_len);
|
|
|
|
/**
|
|
* Scan wireformat b64 field to string, with user buffers.
|
|
* It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
|
|
* @param data: wireformat data.
|
|
* @param data_len: length of data buffer.
|
|
* @param str: string buffer.
|
|
* @param str_len: length of string buffer.
|
|
* @return number of characters (except null) needed to print.
|
|
* Can return -1 on failure.
|
|
*/
|
|
int sldns_wire2str_b64_scan(uint8_t** data, size_t* data_len, char** str,
|
|
size_t* str_len);
|
|
|
|
/**
|
|
* Scan wireformat hex field to string, with user buffers.
|
|
* It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
|
|
* @param data: wireformat data.
|
|
* @param data_len: length of data buffer.
|
|
* @param str: string buffer.
|
|
* @param str_len: length of string buffer.
|
|
* @return number of characters (except null) needed to print.
|
|
* Can return -1 on failure.
|
|
*/
|
|
int sldns_wire2str_hex_scan(uint8_t** data, size_t* data_len, char** str,
|
|
size_t* str_len);
|
|
|
|
/**
|
|
* Scan wireformat nsec bitmap field to string, with user buffers.
|
|
* It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
|
|
* @param data: wireformat data.
|
|
* @param data_len: length of data buffer.
|
|
* @param str: string buffer.
|
|
* @param str_len: length of string buffer.
|
|
* @return number of characters (except null) needed to print.
|
|
* Can return -1 on failure.
|
|
*/
|
|
int sldns_wire2str_nsec_scan(uint8_t** data, size_t* data_len, char** str,
|
|
size_t* str_len);
|
|
|
|
/**
|
|
* Scan wireformat nsec3_salt field to string, with user buffers.
|
|
* It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
|
|
* @param data: wireformat data.
|
|
* @param data_len: length of data buffer.
|
|
* @param str: string buffer.
|
|
* @param str_len: length of string buffer.
|
|
* @return number of characters (except null) needed to print.
|
|
* Can return -1 on failure.
|
|
*/
|
|
int sldns_wire2str_nsec3_salt_scan(uint8_t** data, size_t* data_len, char** str,
|
|
size_t* str_len);
|
|
|
|
/**
|
|
* Scan wireformat cert_alg field to string, with user buffers.
|
|
* It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
|
|
* @param data: wireformat data.
|
|
* @param data_len: length of data buffer.
|
|
* @param str: string buffer.
|
|
* @param str_len: length of string buffer.
|
|
* @return number of characters (except null) needed to print.
|
|
* Can return -1 on failure.
|
|
*/
|
|
int sldns_wire2str_cert_alg_scan(uint8_t** data, size_t* data_len, char** str,
|
|
size_t* str_len);
|
|
|
|
/**
|
|
* Scan wireformat alg field to string, with user buffers.
|
|
* It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
|
|
* @param data: wireformat data.
|
|
* @param data_len: length of data buffer.
|
|
* @param str: string buffer.
|
|
* @param str_len: length of string buffer.
|
|
* @return number of characters (except null) needed to print.
|
|
* Can return -1 on failure.
|
|
*/
|
|
int sldns_wire2str_alg_scan(uint8_t** data, size_t* data_len, char** str,
|
|
size_t* str_len);
|
|
|
|
/**
|
|
* Scan wireformat type unknown field to string, with user buffers.
|
|
* It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
|
|
* @param data: wireformat data.
|
|
* @param data_len: length of data buffer.
|
|
* @param str: string buffer.
|
|
* @param str_len: length of string buffer.
|
|
* @return number of characters (except null) needed to print.
|
|
* Can return -1 on failure.
|
|
*/
|
|
int sldns_wire2str_unknown_scan(uint8_t** data, size_t* data_len, char** str,
|
|
size_t* str_len);
|
|
|
|
/**
|
|
* Scan wireformat time field to string, with user buffers.
|
|
* It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
|
|
* @param data: wireformat data.
|
|
* @param data_len: length of data buffer.
|
|
* @param str: string buffer.
|
|
* @param str_len: length of string buffer.
|
|
* @return number of characters (except null) needed to print.
|
|
* Can return -1 on failure.
|
|
*/
|
|
int sldns_wire2str_time_scan(uint8_t** data, size_t* data_len, char** str,
|
|
size_t* str_len);
|
|
|
|
/**
|
|
* Scan wireformat LOC field to string, with user buffers.
|
|
* It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
|
|
* @param data: wireformat data.
|
|
* @param data_len: length of data buffer.
|
|
* @param str: string buffer.
|
|
* @param str_len: length of string buffer.
|
|
* @return number of characters (except null) needed to print.
|
|
* Can return -1 on failure.
|
|
*/
|
|
int sldns_wire2str_loc_scan(uint8_t** data, size_t* data_len, char** str,
|
|
size_t* str_len);
|
|
|
|
/**
|
|
* Scan wireformat WKS field to string, with user buffers.
|
|
* It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
|
|
* @param data: wireformat data.
|
|
* @param data_len: length of data buffer.
|
|
* @param str: string buffer.
|
|
* @param str_len: length of string buffer.
|
|
* @return number of characters (except null) needed to print.
|
|
* Can return -1 on failure.
|
|
*/
|
|
int sldns_wire2str_wks_scan(uint8_t** data, size_t* data_len, char** str,
|
|
size_t* str_len);
|
|
|
|
/**
|
|
* Scan wireformat NSAP field to string, with user buffers.
|
|
* It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
|
|
* @param data: wireformat data.
|
|
* @param data_len: length of data buffer.
|
|
* @param str: string buffer.
|
|
* @param str_len: length of string buffer.
|
|
* @return number of characters (except null) needed to print.
|
|
* Can return -1 on failure.
|
|
*/
|
|
int sldns_wire2str_nsap_scan(uint8_t** data, size_t* data_len, char** str,
|
|
size_t* str_len);
|
|
|
|
/**
|
|
* Scan wireformat ATMA field to string, with user buffers.
|
|
* It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
|
|
* @param data: wireformat data.
|
|
* @param data_len: length of data buffer.
|
|
* @param str: string buffer.
|
|
* @param str_len: length of string buffer.
|
|
* @return number of characters (except null) needed to print.
|
|
* Can return -1 on failure.
|
|
*/
|
|
int sldns_wire2str_atma_scan(uint8_t** data, size_t* data_len, char** str,
|
|
size_t* str_len);
|
|
|
|
/**
|
|
* Scan wireformat IPSECKEY field to string, with user buffers.
|
|
* It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
|
|
* @param data: wireformat data.
|
|
* @param data_len: length of data buffer.
|
|
* @param str: string buffer.
|
|
* @param str_len: length of string buffer.
|
|
* @param pkt: packet for decompression, if NULL no decompression.
|
|
* @param pktlen: length of packet buffer.
|
|
* @return number of characters (except null) needed to print.
|
|
* Can return -1 on failure.
|
|
*/
|
|
int sldns_wire2str_ipseckey_scan(uint8_t** data, size_t* data_len, char** str,
|
|
size_t* str_len, uint8_t* pkt, size_t pktlen);
|
|
|
|
/**
|
|
* Scan wireformat HIP (algo, HIT, pubkey) field to string, with user buffers.
|
|
* It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
|
|
* @param data: wireformat data.
|
|
* @param data_len: length of data buffer.
|
|
* @param str: string buffer.
|
|
* @param str_len: length of string buffer.
|
|
* @return number of characters (except null) needed to print.
|
|
* Can return -1 on failure.
|
|
*/
|
|
int sldns_wire2str_hip_scan(uint8_t** data, size_t* data_len, char** str,
|
|
size_t* str_len);
|
|
|
|
/**
|
|
* Scan wireformat int16_data field to string, with user buffers.
|
|
* It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
|
|
* @param data: wireformat data.
|
|
* @param data_len: length of data buffer.
|
|
* @param str: string buffer.
|
|
* @param str_len: length of string buffer.
|
|
* @return number of characters (except null) needed to print.
|
|
* Can return -1 on failure.
|
|
*/
|
|
int sldns_wire2str_int16_data_scan(uint8_t** data, size_t* data_len, char** str,
|
|
size_t* str_len);
|
|
|
|
/**
|
|
* Scan wireformat nsec3_next_owner field to string, with user buffers.
|
|
* It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
|
|
* @param data: wireformat data.
|
|
* @param data_len: length of data buffer.
|
|
* @param str: string buffer.
|
|
* @param str_len: length of string buffer.
|
|
* @return number of characters (except null) needed to print.
|
|
* Can return -1 on failure.
|
|
*/
|
|
int sldns_wire2str_nsec3_next_owner_scan(uint8_t** data, size_t* data_len,
|
|
char** str, size_t* str_len);
|
|
|
|
/**
|
|
* Scan wireformat ILNP64 field to string, with user buffers.
|
|
* It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
|
|
* @param data: wireformat data.
|
|
* @param data_len: length of data buffer.
|
|
* @param str: string buffer.
|
|
* @param str_len: length of string buffer.
|
|
* @return number of characters (except null) needed to print.
|
|
* Can return -1 on failure.
|
|
*/
|
|
int sldns_wire2str_ilnp64_scan(uint8_t** data, size_t* data_len, char** str,
|
|
size_t* str_len);
|
|
|
|
/**
|
|
* Scan wireformat EUI48 field to string, with user buffers.
|
|
* It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
|
|
* @param data: wireformat data.
|
|
* @param data_len: length of data buffer.
|
|
* @param str: string buffer.
|
|
* @param str_len: length of string buffer.
|
|
* @return number of characters (except null) needed to print.
|
|
* Can return -1 on failure.
|
|
*/
|
|
int sldns_wire2str_eui48_scan(uint8_t** data, size_t* data_len, char** str,
|
|
size_t* str_len);
|
|
|
|
/**
|
|
* Scan wireformat EUI64 field to string, with user buffers.
|
|
* It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
|
|
* @param data: wireformat data.
|
|
* @param data_len: length of data buffer.
|
|
* @param str: string buffer.
|
|
* @param str_len: length of string buffer.
|
|
* @return number of characters (except null) needed to print.
|
|
* Can return -1 on failure.
|
|
*/
|
|
int sldns_wire2str_eui64_scan(uint8_t** data, size_t* data_len, char** str,
|
|
size_t* str_len);
|
|
|
|
/**
|
|
* Scan wireformat TAG field to string, with user buffers.
|
|
* It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
|
|
* @param data: wireformat data.
|
|
* @param data_len: length of data buffer.
|
|
* @param str: string buffer.
|
|
* @param str_len: length of string buffer.
|
|
* @return number of characters (except null) needed to print.
|
|
* Can return -1 on failure.
|
|
*/
|
|
int sldns_wire2str_tag_scan(uint8_t** data, size_t* data_len, char** str,
|
|
size_t* str_len);
|
|
|
|
/**
|
|
* Scan wireformat long_str field to string, with user buffers.
|
|
* It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
|
|
* @param data: wireformat data.
|
|
* @param data_len: length of data buffer.
|
|
* @param str: string buffer.
|
|
* @param str_len: length of string buffer.
|
|
* @return number of characters (except null) needed to print.
|
|
* Can return -1 on failure.
|
|
*/
|
|
int sldns_wire2str_long_str_scan(uint8_t** data, size_t* data_len, char** str,
|
|
size_t* str_len);
|
|
|
|
/**
|
|
* Print EDNS LLQ option data to string. User buffers, moves string pointers.
|
|
* @param str: string buffer.
|
|
* @param str_len: length of string buffer.
|
|
* @param option_data: buffer with EDNS option code data.
|
|
* @param option_len: length of the data for this option.
|
|
* @return number of characters (except null) needed to print.
|
|
*/
|
|
int sldns_wire2str_edns_llq_print(char** str, size_t* str_len,
|
|
uint8_t* option_data, size_t option_len);
|
|
|
|
/**
|
|
* Print EDNS UL option data to string. User buffers, moves string pointers.
|
|
* @param str: string buffer.
|
|
* @param str_len: length of string buffer.
|
|
* @param option_data: buffer with EDNS option code data.
|
|
* @param option_len: length of the data for this option.
|
|
* @return number of characters (except null) needed to print.
|
|
*/
|
|
int sldns_wire2str_edns_ul_print(char** str, size_t* str_len,
|
|
uint8_t* option_data, size_t option_len);
|
|
|
|
/**
|
|
* Print EDNS NSID option data to string. User buffers, moves string pointers.
|
|
* @param str: string buffer.
|
|
* @param str_len: length of string buffer.
|
|
* @param option_data: buffer with EDNS option code data.
|
|
* @param option_len: length of the data for this option.
|
|
* @return number of characters (except null) needed to print.
|
|
*/
|
|
int sldns_wire2str_edns_nsid_print(char** str, size_t* str_len,
|
|
uint8_t* option_data, size_t option_len);
|
|
|
|
/**
|
|
* Print EDNS DAU option data to string. User buffers, moves string pointers.
|
|
* @param str: string buffer.
|
|
* @param str_len: length of string buffer.
|
|
* @param option_data: buffer with EDNS option code data.
|
|
* @param option_len: length of the data for this option.
|
|
* @return number of characters (except null) needed to print.
|
|
*/
|
|
int sldns_wire2str_edns_dau_print(char** str, size_t* str_len,
|
|
uint8_t* option_data, size_t option_len);
|
|
|
|
/**
|
|
* Print EDNS DHU option data to string. User buffers, moves string pointers.
|
|
* @param str: string buffer.
|
|
* @param str_len: length of string buffer.
|
|
* @param option_data: buffer with EDNS option code data.
|
|
* @param option_len: length of the data for this option.
|
|
* @return number of characters (except null) needed to print.
|
|
*/
|
|
int sldns_wire2str_edns_dhu_print(char** str, size_t* str_len,
|
|
uint8_t* option_data, size_t option_len);
|
|
|
|
/**
|
|
* Print EDNS N3U option data to string. User buffers, moves string pointers.
|
|
* @param str: string buffer.
|
|
* @param str_len: length of string buffer.
|
|
* @param option_data: buffer with EDNS option code data.
|
|
* @param option_len: length of the data for this option.
|
|
* @return number of characters (except null) needed to print.
|
|
*/
|
|
int sldns_wire2str_edns_n3u_print(char** str, size_t* str_len,
|
|
uint8_t* option_data, size_t option_len);
|
|
|
|
/**
|
|
* Print EDNS SUBNET option data to string. User buffers, moves string pointers.
|
|
* @param str: string buffer.
|
|
* @param str_len: length of string buffer.
|
|
* @param option_data: buffer with EDNS option code data.
|
|
* @param option_len: length of the data for this option.
|
|
* @return number of characters (except null) needed to print.
|
|
*/
|
|
int sldns_wire2str_edns_subnet_print(char** str, size_t* str_len,
|
|
uint8_t* option_data, size_t option_len);
|
|
|
|
/**
|
|
* Print an EDNS option as OPT: VALUE. User buffers, moves string pointers.
|
|
* @param str: string buffer.
|
|
* @param str_len: length of string buffer.
|
|
* @param option_code: host format EDNS option code.
|
|
* @param option_data: buffer with EDNS option code data.
|
|
* @param option_len: length of the data for this option.
|
|
* @return number of characters (except null) needed to print.
|
|
*/
|
|
int sldns_wire2str_edns_option_print(char** str, size_t* str_len,
|
|
uint16_t option_code, uint8_t* option_data, size_t option_len);
|
|
|
|
/**
|
|
* Scan wireformat EDNS OPT to string, with user buffers.
|
|
* It shifts the arguments to move along (see sldns_wire2str_pkt_scan).
|
|
* @param data: wireformat data.
|
|
* @param data_len: length of data buffer.
|
|
* @param str: string buffer.
|
|
* @param str_len: length of string buffer.
|
|
* @param pkt: packet with header and other info (may be NULL)
|
|
* @param pktlen: length of packet buffer.
|
|
* @return number of characters (except null) needed to print.
|
|
*/
|
|
int sldns_wire2str_edns_scan(uint8_t** data, size_t* data_len, char** str,
|
|
size_t* str_len, uint8_t* pkt, size_t pktlen);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* LDNS_WIRE2STR_H */
|