1067 lines
41 KiB
C
1067 lines
41 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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/** EDNS EDE codes */
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extern struct sldns_struct_lookup_table* sldns_edns_ede_codes;
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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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/** tsig errors are the rcodes with extra (higher) values */
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extern struct sldns_struct_lookup_table* sldns_tsig_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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* Convert 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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* @param comprloop: if pkt, bool detects compression loops.
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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, int* comprloop);
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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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* @param comprloop: if pkt, bool detects compression loops.
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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, int* comprloop);
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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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* @param comprloop: if pkt, bool detects compression loops.
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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, int* comprloop);
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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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* @param comprloop: if pkt, bool detects compression loops.
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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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int* comprloop);
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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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* @param comprloop: inout bool, that is set true if compression loop failure
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* happens. Pass in 0, if passsed in as true, a lower bound is set
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* on compression loops to stop arbitrary long packet parse times.
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* This is meant so you can set it to 0 at the start of a list of dnames,
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* and then scan all of them in sequence, if a loop happens, it becomes
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* true and then it becomes more strict for the next dnames in the list.
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* You can leave it at NULL if there is no pkt (pkt is NULL too).
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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, int* comprloop);
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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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* Convert question 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_rrquestion_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.
|
|
* @param str_len: the size of the string buffer. If more is needed, it'll
|
|
* silently truncate the output to fit in the buffer.
|
|
* @return the number of characters for this element, excluding zerobyte.
|
|
* Is larger or equal than str_len if output was truncated.
|
|
*/
|
|
int sldns_wire2str_rr_comment_buf(uint8_t* rr, size_t rr_len, size_t dname_len,
|
|
char* str, size_t str_len);
|
|
|
|
/**
|
|
* Convert RDATA to string presentation format, on one line. User buffer.
|
|
* @param rdata: wireformat rdata part of an RR.
|
|
* @param rdata_len: length of the rr wire data.
|
|
* @param str: the string buffer to write to.
|
|
* If you pass NULL as the str, the return value of the function is
|
|
* the str_len you need for the entire packet. It does not include
|
|
* the 0 byte at the end.
|
|
* @param str_len: the size of the string buffer. If more is needed, it'll
|
|
* silently truncate the output to fit in the buffer.
|
|
* @param rrtype: rr type of the data
|
|
* @return the number of characters for this element, excluding zerobyte.
|
|
* Is larger or equal than str_len if output was truncated.
|
|
*/
|
|
int sldns_wire2str_rdata_buf(uint8_t* rdata, size_t rdata_len, char* str,
|
|
size_t str_len, uint16_t rrtype);
|
|
|
|
/**
|
|
* Convert wire RR type to a string, 'MX', 'TYPE12'. With user buffer.
|
|
* @param rrtype: the RR type 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_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);
|
|
|
|
/**
|
|
* Convert wire SVCB to a string with user buffer.
|
|
* @param d: the SVCB data in uncompressed wireformat.
|
|
* @param dlen: length of the SVCB data.
|
|
* @param s: the string to write to.
|
|
* @param slen: 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_svcparam_scan(uint8_t** d, size_t* dlen, char** s,
|
|
size_t* slen);
|
|
|
|
/**
|
|
* 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.
|
|
* @param comprloop: if pkt, bool detects compression loops.
|
|
* @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,
|
|
int* comprloop);
|
|
|
|
/**
|
|
* 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.
|
|
* @param comprloop: if pkt, bool detects compression loops.
|
|
* @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, int* comprloop);
|
|
|
|
/**
|
|
* 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 tsigerror 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_tsigerror_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 EDNS EDE 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_ede_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 */
|