Functions
size_t	ldns_rdf_size (const ldns_rdf *rd)
	returns the size of the rdf. More...

ldns_rdf_type	ldns_rdf_get_type (const ldns_rdf *rd)
	returns the type of the rdf. More...

uint8_t *	ldns_rdf_data (const ldns_rdf *rd)
	returns the data of the rdf. More...

void	ldns_rdf_set_size (ldns_rdf *rd, size_t size)
	sets the size of the rdf. More...

void	ldns_rdf_set_type (ldns_rdf *rd, ldns_rdf_type type)
	sets the size of the rdf. More...

void	ldns_rdf_set_data (ldns_rdf rd, void data)
	sets the size of the rdf. More...

uint8_t	ldns_rdf2native_int8 (const ldns_rdf *rd)
	returns the native uint8_t representation from the rdf. More...

uint16_t	ldns_rdf2native_int16 (const ldns_rdf *rd)
	returns the native uint16_t representation from the rdf. More...

uint32_t	ldns_rdf2native_int32 (const ldns_rdf *rd)
	returns the native uint32_t representation from the rdf. More...

time_t	ldns_rdf2native_time_t (const ldns_rdf *rd)
	returns the native time_t representation from the rdf. More...

ldns_rdf *	ldns_native2rdf_int8 (ldns_rdf_type type, uint8_t value)
	returns the rdf containing the native uint8_t repr. More...

ldns_rdf *	ldns_native2rdf_int16 (ldns_rdf_type type, uint16_t value)
	returns the rdf containing the native uint16_t representation. More...

ldns_rdf *	ldns_native2rdf_int32 (ldns_rdf_type type, uint32_t value)
	returns an rdf that contains the given int32 value. More...

ldns_rdf *	ldns_native2rdf_int16_data (size_t size, uint8_t *data)
	returns an int16_data rdf that contains the data in the given array, preceded by an int16 specifying the length. More...

ldns_rdf *	ldns_rdf_new (ldns_rdf_type type, size_t size, void *data)
	allocates a new rdf structure and fills it. More...

ldns_rdf *	ldns_rdf_new_frm_data (ldns_rdf_type type, size_t size, const void *data)
	allocates a new rdf structure and fills it. More...

ldns_rdf *	ldns_rdf_clone (const ldns_rdf *rd)
	clones a rdf structure. More...

void	ldns_rdf_deep_free (ldns_rdf *rd)
	frees a rdf structure and frees the data. More...

void	ldns_rdf_free (ldns_rdf *rd)
	frees a rdf structure, leaving the data pointer intact. More...

ldns_rdf *	ldns_rdf_new_frm_str (ldns_rdf_type type, const char *str)
	creates a new rdf from a string. More...

ldns_status	ldns_rdf_new_frm_fp (ldns_rdf *rdf, ldns_rdf_type type, FILE fp)
	creates a new rdf from a file containing a string. More...

ldns_status	ldns_rdf_new_frm_fp_l (ldns_rdf *rdf, ldns_rdf_type type, FILE fp, int *line_nr)
	creates a new rdf from a file containing a string. More...

ldns_rdf *	ldns_rdf_address_reverse (const ldns_rdf *rd)
	reverses an rdf, only actually useful for AAAA and A records. More...

ldns_status	ldns_rdf_hip_get_alg_hit_pk (ldns_rdf rdf, uint8_t alg, uint8_t hit_size, uint8_t hit, uint16_t pk_size, uint8_t **pk)
	Gets the algorithm value, the HIT and Public Key data from the rdf with type LDNS_RDF_TYPE_HIP. More...

ldns_status	ldns_rdf_hip_new_frm_alg_hit_pk (ldns_rdf *rdf, uint8_t alg, uint8_t hit_size, uint8_t hit, uint16_t pk_size, uint8_t *pk)
	Creates a new LDNS_RDF_TYPE_HIP rdf from given data. More...

ldns_status	ldns_octet (char word, size_t length)
	removes \DDD, \[space] and other escapes from the input. More...

int	ldns_rdf_compare (const ldns_rdf rd1, const ldns_rdf rd2)
	compares two rdf's on their wire formats. More...

uint32_t	ldns_str2period (const char nptr, const char *endptr)
	converts a ttl value (like 5d2h) to a long. More...

Function Documentation

◆ ldns_rdf_size()

size_t ldns_rdf_size ( const ldns_rdf * rd )

returns the size of the rdf.

Parameters

[in] *rd the rdf to read from

Returns: uint16_t with the size

Definition at line 24 of file rdata.c.

References ldns_struct_rdf::_size.

◆ ldns_rdf_get_type()

ldns_rdf_type ldns_rdf_get_type ( const ldns_rdf * rd )

returns the type of the rdf.

We need to insert get here to prevent conflict the rdf_type TYPE.

Parameters

[in] *rd the rdf to read from

Returns: ldns_rdf_type with the type

Definition at line 31 of file rdata.c.

References ldns_struct_rdf::_type.

◆ ldns_rdf_data()

uint8_t* ldns_rdf_data ( const ldns_rdf * rd )

returns the data of the rdf.

Parameters

[in] *rd the rdf to read from

Returns: uint8_t* pointer to the rdf's data

Definition at line 38 of file rdata.c.

References ldns_struct_rdf::_data.

◆ ldns_rdf_set_size()

void ldns_rdf_set_size	(	ldns_rdf *	rd,
		size_t	size
	)

sets the size of the rdf.

Parameters

[in]	*rd	the rdf to operate on
[in]	size	the new size

Returns: void

Definition at line 46 of file rdata.c.

References ldns_struct_rdf::_size.

◆ ldns_rdf_set_type()

void ldns_rdf_set_type	(	ldns_rdf *	rd,
		ldns_rdf_type	type
	)

sets the size of the rdf.

Parameters

[in]	*rd	the rdf to operate on
[in]	type	the new type

Returns: void

Definition at line 53 of file rdata.c.

References ldns_struct_rdf::_type.

◆ ldns_rdf_set_data()

void ldns_rdf_set_data	(	ldns_rdf *	rd,
		void *	data
	)

sets the size of the rdf.

Parameters

[in]	*rd	the rdf to operate on
[in]	*data	pointer to the new data

Returns: void

Definition at line 60 of file rdata.c.

References ldns_struct_rdf::_data.

◆ ldns_rdf2native_int8()

uint8_t ldns_rdf2native_int8 ( const ldns_rdf * rd )

returns the native uint8_t representation from the rdf.

Parameters

[in] rd the ldns_rdf to operate on

Returns: uint8_t the value extracted

Definition at line 70 of file rdata.c.

References ldns_rdf_data(), ldns_rdf_size(), and LDNS_RDF_SIZE_BYTE.

◆ ldns_rdf2native_int16()

uint16_t ldns_rdf2native_int16 ( const ldns_rdf * rd )

returns the native uint16_t representation from the rdf.

Parameters

[in] rd the ldns_rdf to operate on

Returns: uint16_t the value extracted

Definition at line 84 of file rdata.c.

References ldns_rdf_data(), ldns_rdf_size(), and LDNS_RDF_SIZE_WORD.

◆ ldns_rdf2native_int32()

uint32_t ldns_rdf2native_int32 ( const ldns_rdf * rd )

returns the native uint32_t representation from the rdf.

Parameters

[in] rd the ldns_rdf to operate on

Returns: uint32_t the value extracted

Definition at line 98 of file rdata.c.

References ldns_rdf_data(), ldns_rdf_size(), and LDNS_RDF_SIZE_DOUBLEWORD.

◆ ldns_rdf2native_time_t()

time_t ldns_rdf2native_time_t ( const ldns_rdf * rd )

returns the native time_t representation from the rdf.

Parameters

[in] rd the ldns_rdf to operate on

Returns: time_t the value extracted (32 bits currently)

Definition at line 112 of file rdata.c.

References ldns_rdf_data(), ldns_rdf_get_type(), ldns_rdf_size(), LDNS_RDF_SIZE_DOUBLEWORD, and LDNS_RDF_TYPE_TIME.

◆ ldns_native2rdf_int8()

ldns_rdf* ldns_native2rdf_int8	(	ldns_rdf_type	type,
		uint8_t	value
	)

returns the rdf containing the native uint8_t repr.

Parameters

[in]	type	the ldns_rdf type to use
[in]	value	the uint8_t to use

Returns: ldns_rdf* with the converted value

Definition at line 126 of file rdata.c.

References ldns_rdf_new_frm_data(), and LDNS_RDF_SIZE_BYTE.

◆ ldns_native2rdf_int16()

ldns_rdf* ldns_native2rdf_int16	(	ldns_rdf_type	type,
		uint16_t	value
	)

returns the rdf containing the native uint16_t representation.

Parameters

[in]	type	the ldns_rdf type to use
[in]	value	the uint16_t to use

Returns: ldns_rdf* with the converted value

Definition at line 132 of file rdata.c.

References LDNS_XMALLOC.

◆ ldns_native2rdf_int32()

ldns_rdf* ldns_native2rdf_int32	(	ldns_rdf_type	type,
		uint32_t	value
	)

returns an rdf that contains the given int32 value.

Because multiple rdf types can contain an int32, the type must be specified

Parameters

[in]	type	the ldns_rdf type to use
[in]	value	the uint32_t to use

Returns: ldns_rdf* with the converted value

Definition at line 147 of file rdata.c.

References LDNS_XMALLOC.

◆ ldns_native2rdf_int16_data()

ldns_rdf* ldns_native2rdf_int16_data	(	size_t	size,
		uint8_t *	data
	)

returns an int16_data rdf that contains the data in the given array, preceded by an int16 specifying the length.

The memory is copied, and an LDNS_RDF_TYPE_INT16DATA is returned

Parameters

[in]	size	the size of the data
[in]	*data	pointer to the actual data

Returns: ldns_rd* the rdf with the data

Definition at line 162 of file rdata.c.

References LDNS_XMALLOC.

◆ ldns_rdf_new()

ldns_rdf* ldns_rdf_new	(	ldns_rdf_type	type,
		size_t	size,
		void *	data
	)

allocates a new rdf structure and fills it.

This function DOES NOT copy the contents from the buffer, unlike ldns_rdf_new_frm_data()

Parameters

[in]	type	type of the rdf
[in]	size	size of the buffer
[in]	data	pointer to the buffer to be copied

Returns: the new rdf structure or NULL on failure

Definition at line 179 of file rdata.c.

References LDNS_MALLOC, ldns_rdf_set_data(), ldns_rdf_set_size(), and ldns_rdf_set_type().

◆ ldns_rdf_new_frm_data()

ldns_rdf* ldns_rdf_new_frm_data	(	ldns_rdf_type	type,
		size_t	size,
		const void *	data
	)

allocates a new rdf structure and fills it.

This function does copy the contents from the buffer, unlike ldns_rdf_new()

Parameters

[in]	type	type of the rdf
[in]	size	size of the buffer
[in]	data	pointer to the buffer to be copied

Returns: the new rdf structure or NULL on failure

Definition at line 193 of file rdata.c.

References ldns_struct_rdf::_data, LDNS_FREE, LDNS_MALLOC, LDNS_MAX_RDFLEN, ldns_rdf_set_size(), ldns_rdf_set_type(), and LDNS_XMALLOC.

◆ ldns_rdf_clone()

ldns_rdf* ldns_rdf_clone ( const ldns_rdf * rd )

clones a rdf structure.

The data is copied.

Parameters

[in] rd rdf to be copied

Returns: a new rdf structure

Definition at line 222 of file rdata.c.

References ldns_rdf_data(), ldns_rdf_get_type(), ldns_rdf_new_frm_data(), and ldns_rdf_size().

◆ ldns_rdf_deep_free()

void ldns_rdf_deep_free ( ldns_rdf * rd )

frees a rdf structure and frees the data.

rdf should be created with _new_frm_data

Parameters

[in] rd the rdf structure to be freed

Returns: void

Definition at line 230 of file rdata.c.

References ldns_struct_rdf::_data, and LDNS_FREE.

◆ ldns_rdf_free()

void ldns_rdf_free ( ldns_rdf * rd )

frees a rdf structure, leaving the data pointer intact.

Parameters

[in] rd the pointer to be freed

Returns: void

Definition at line 241 of file rdata.c.

References LDNS_FREE.

◆ ldns_rdf_new_frm_str()

ldns_rdf* ldns_rdf_new_frm_str	(	ldns_rdf_type	type,
		const char *	str
	)

creates a new rdf from a string.

Parameters

[in]	type	type to use
[in]	str	string to use

Returns: ldns_rdf* or NULL in case of an error

Definition at line 249 of file rdata.c.

References LDNS_FREE, ldns_rdf_set_type(), LDNS_RDF_TYPE_A, LDNS_RDF_TYPE_AAAA, LDNS_RDF_TYPE_ALG, LDNS_RDF_TYPE_AMTRELAY, LDNS_RDF_TYPE_APL, LDNS_RDF_TYPE_ATMA, LDNS_RDF_TYPE_B32_EXT, LDNS_RDF_TYPE_B64, LDNS_RDF_TYPE_CERT_ALG, LDNS_RDF_TYPE_CERTIFICATE_USAGE, LDNS_RDF_TYPE_CLASS, LDNS_RDF_TYPE_DNAME, LDNS_RDF_TYPE_EUI48, LDNS_RDF_TYPE_EUI64, LDNS_RDF_TYPE_HEX, LDNS_RDF_TYPE_HIP, LDNS_RDF_TYPE_ILNP64, LDNS_RDF_TYPE_INT16, LDNS_RDF_TYPE_INT32, LDNS_RDF_TYPE_INT8, LDNS_RDF_TYPE_IPSECKEY, LDNS_RDF_TYPE_LOC, LDNS_RDF_TYPE_LONG_STR, LDNS_RDF_TYPE_MATCHING_TYPE, LDNS_RDF_TYPE_NONE, LDNS_RDF_TYPE_NSAP, LDNS_RDF_TYPE_NSEC, LDNS_RDF_TYPE_NSEC3_NEXT_OWNER, LDNS_RDF_TYPE_NSEC3_SALT, LDNS_RDF_TYPE_PERIOD, LDNS_RDF_TYPE_SELECTOR, LDNS_RDF_TYPE_SERVICE, LDNS_RDF_TYPE_STR, LDNS_RDF_TYPE_SVCPARAMS, LDNS_RDF_TYPE_TAG, LDNS_RDF_TYPE_TIME, LDNS_RDF_TYPE_TYPE, LDNS_RDF_TYPE_UNKNOWN, LDNS_RDF_TYPE_WKS, LDNS_STATUS_ERR, LDNS_STATUS_OK, ldns_str2rdf_a(), ldns_str2rdf_aaaa(), ldns_str2rdf_alg(), ldns_str2rdf_amtrelay(), ldns_str2rdf_apl(), ldns_str2rdf_atma(), ldns_str2rdf_b32_ext(), ldns_str2rdf_b64(), ldns_str2rdf_cert_alg(), ldns_str2rdf_certificate_usage(), ldns_str2rdf_class(), ldns_str2rdf_dname(), ldns_str2rdf_eui48(), ldns_str2rdf_eui64(), ldns_str2rdf_hex(), ldns_str2rdf_hip(), ldns_str2rdf_ilnp64(), ldns_str2rdf_int16(), ldns_str2rdf_int32(), ldns_str2rdf_int8(), ldns_str2rdf_ipseckey(), ldns_str2rdf_loc(), ldns_str2rdf_long_str(), ldns_str2rdf_matching_type(), ldns_str2rdf_nsap(), ldns_str2rdf_nsec(), ldns_str2rdf_nsec3_salt(), ldns_str2rdf_period(), ldns_str2rdf_selector(), ldns_str2rdf_service(), ldns_str2rdf_str(), ldns_str2rdf_svcparams(), ldns_str2rdf_tag(), ldns_str2rdf_time(), ldns_str2rdf_type(), ldns_str2rdf_unknown(), and ldns_str2rdf_wks().

◆ ldns_rdf_new_frm_fp()

ldns_status ldns_rdf_new_frm_fp	(	ldns_rdf **	r,
		ldns_rdf_type	type,
		FILE *	fp
	)

creates a new rdf from a file containing a string.

Parameters

[out]	r	the new rdf
[in]	type	type to use
[in]	fp	the file pointer to use

Returns: LDNS_STATUS_OK or the error

Definition at line 386 of file rdata.c.

References ldns_rdf_new_frm_fp_l().

◆ ldns_rdf_new_frm_fp_l()

ldns_status ldns_rdf_new_frm_fp_l	(	ldns_rdf **	r,
		ldns_rdf_type	type,
		FILE *	fp,
		int *	line_nr
	)

creates a new rdf from a file containing a string.

Parameters

[out]	r	the new rdf
[in]	type	type to use
[in]	fp	the file pointer to use
[in]	line_nr	pointer to an integer containing the current line number (for debugging purposes)

Returns: LDNS_STATUS_OK or the error

Definition at line 392 of file rdata.c.

References ldns_fget_token_l(), LDNS_FREE, LDNS_MAX_LINELEN, LDNS_PARSE_SKIP_SPACE, ldns_rdf_new_frm_str(), LDNS_STATUS_MEM_ERR, LDNS_STATUS_NULL, LDNS_STATUS_OK, LDNS_STATUS_SYNTAX_RDATA_ERR, and LDNS_XMALLOC.

◆ ldns_rdf_address_reverse()

ldns_rdf* ldns_rdf_address_reverse ( const ldns_rdf * rd )

reverses an rdf, only actually useful for AAAA and A records.

The returned rdf has the type LDNS_RDF_TYPE_DNAME!

Parameters

[in] *rd rdf to be reversed

Returns: the reversed rdf (a newly created rdf)

Definition at line 419 of file rdata.c.

References ldns_dname_cat_clone(), ldns_dname_new_frm_str(), LDNS_FREE, ldns_int_to_hexdigit(), LDNS_IP4ADDRLEN, LDNS_IP6ADDRLEN, ldns_rdf2str(), ldns_rdf_data(), ldns_rdf_deep_free(), ldns_rdf_get_type(), ldns_rdf_new_frm_data(), LDNS_RDF_TYPE_A, LDNS_RDF_TYPE_AAAA, and LDNS_XMALLOC.

◆ ldns_rdf_hip_get_alg_hit_pk()

ldns_status ldns_rdf_hip_get_alg_hit_pk	(	ldns_rdf *	rdf,
		uint8_t *	alg,
		uint8_t *	hit_size,
		uint8_t **	hit,
		uint16_t *	pk_size,
		uint8_t **	pk
	)

Gets the algorithm value, the HIT and Public Key data from the rdf with type LDNS_RDF_TYPE_HIP.

Parameters

[in]	rdf	the rdf with type LDNS_RDF_TYPE_HIP
[out]	alg	the algorithm
[out]	hit_size	the size of the HIT data
[out]	hit	the hit data
[out]	pk_size	the size of the Public Key data
[out]	pk	the Public Key data

Returns: LDNS_STATUS_OK on success, and the error otherwise

Definition at line 537 of file rdata.c.

References ldns_rdf_data(), ldns_rdf_get_type(), ldns_rdf_size(), LDNS_RDF_TYPE_HIP, LDNS_STATUS_INVALID_POINTER, LDNS_STATUS_INVALID_RDF_TYPE, and LDNS_STATUS_WIRE_RDATA_ERR.

◆ ldns_rdf_hip_new_frm_alg_hit_pk()

ldns_status ldns_rdf_hip_new_frm_alg_hit_pk	(	ldns_rdf **	rdf,
		uint8_t	alg,
		uint8_t	hit_size,
		uint8_t *	hit,
		uint16_t	pk_size,
		uint8_t *	pk
	)

Creates a new LDNS_RDF_TYPE_HIP rdf from given data.

Parameters

[out]	rdf	the newly created LDNS_RDF_TYPE_HIP rdf
[in]	alg	the algorithm
[in]	hit_size	the size of the HIT data
[in]	hit	the hit data
[in]	pk_size	the size of the Public Key data
[in]	pk	the Public Key data

Returns: LDNS_STATUS_OK on success, and the error otherwise

Definition at line 565 of file rdata.c.

References LDNS_MAX_RDFLEN, LDNS_STATUS_INVALID_POINTER, LDNS_STATUS_MEM_ERR, LDNS_STATUS_RDATA_OVERFLOW, and LDNS_XMALLOC.

◆ ldns_octet()

ldns_status ldns_octet	(	char *	word,
		size_t *	length
	)

removes \DDD, \[space] and other escapes from the input.

See RFC 1035, section 5.1.

Parameters

[in]	word	what to check
[in]	length	the string

Returns: ldns_status mesg

Definition at line 595 of file rdata.c.

References LDNS_STATUS_DDD_OVERFLOW, LDNS_STATUS_EMPTY_LABEL, and LDNS_STATUS_OK.

◆ ldns_rdf_compare()

int ldns_rdf_compare	(	const ldns_rdf *	rd1,
		const ldns_rdf *	rd2
	)

compares two rdf's on their wire formats.

(To order dnames according to rfc4034, use ldns_dname_compare)

Parameters

[in]	rd1	the first one
[in]	rd2	the second one

Returns: 0 if equal; -1 if rd1 comes before rd2; +1 if rd2 comes before rd1

Definition at line 657 of file rdata.c.

References ldns_rdf_data(), and ldns_rdf_size().

◆ ldns_str2period()

uint32_t ldns_str2period	(	const char *	nptr,
		const char **	endptr
	)

converts a ttl value (like 5d2h) to a long.

Parameters

[in]	nptr	the start of the string
[out]	endptr	points to the last char in case of error

Returns: the convert duration value

Definition at line 691 of file rdata.c.

Functions

Function Documentation

◆ ldns_rdf_size()

◆ ldns_rdf_get_type()

◆ ldns_rdf_data()

◆ ldns_rdf_set_size()

◆ ldns_rdf_set_type()

◆ ldns_rdf_set_data()

◆ ldns_rdf2native_int8()

◆ ldns_rdf2native_int16()

◆ ldns_rdf2native_int32()

◆ ldns_rdf2native_time_t()

◆ ldns_native2rdf_int8()

◆ ldns_native2rdf_int16()

◆ ldns_native2rdf_int32()

◆ ldns_native2rdf_int16_data()

◆ ldns_rdf_new()

◆ ldns_rdf_new_frm_data()

◆ ldns_rdf_clone()

◆ ldns_rdf_deep_free()

◆ ldns_rdf_free()

◆ ldns_rdf_new_frm_str()

◆ ldns_rdf_new_frm_fp()

◆ ldns_rdf_new_frm_fp_l()

◆ ldns_rdf_address_reverse()

◆ ldns_rdf_hip_get_alg_hit_pk()

◆ ldns_rdf_hip_new_frm_alg_hit_pk()

◆ ldns_octet()

◆ ldns_rdf_compare()

◆ ldns_str2period()