Private Multi-protocol AVP dictionary API. More...

#include <freeradius-devel/protocol/base.h>
#include <freeradius-devel/util/dict.h>
#include <freeradius-devel/util/dict_ext_priv.h>
#include <freeradius-devel/util/dl.h>
#include <freeradius-devel/util/hash.h>
#include <freeradius-devel/util/value.h>

Include dependency graph for dict_priv.h:

Go to the source code of this file.

Data Structures
struct	dict_attr_args_t
	Optional arguments for initialising/allocating attributes. More...

struct	fr_dict_dependent_t
	Entry recording dictionary reference holders by file. More...

struct	fr_dict_filename_t
	Entry in the filename list of files associated with this dictionary. More...

struct	fr_dict_gctx_s

struct	fr_dict_s
	Vendors and attribute names. More...

Macros
#define	_DICT_PRIVATE 1

#define	DICT_FIXUP_POOL_SIZE (1024)

#define	DICT_POOL_SIZE (1024 * 1024 * 2)

#define	INTERNAL_IF_NULL(_dict, _ret)
	Set the internal dictionary if none was provided. More...

Functions
fr_dict_t *	dict_alloc (TALLOC_CTX *ctx)
	Allocate a new dictionary. More...

fr_dict_attr_t *	dict_attr_acopy (TALLOC_CTX ctx, fr_dict_attr_t const in, char const *new_name)
	Copy a an existing attribute. More...

int	dict_attr_acopy_children (fr_dict_t dict, fr_dict_attr_t dst, fr_dict_attr_t const *src)
	Copy the children of an existing attribute. More...

int	dict_attr_acopy_enumv (fr_dict_attr_t dst, fr_dict_attr_t const src)
	Copy the VALUEs of an existing attribute, by casting them. More...

int	dict_attr_add_to_namespace (fr_dict_attr_t const parent, fr_dict_attr_t da)
	Add an attribute to the name table for an attribute. More...

int	dict_attr_alias_add (fr_dict_attr_t const parent, char const alias, fr_dict_attr_t const *ref)
	Add an alias to an existing attribute. More...

fr_dict_attr_t *	dict_attr_by_name (fr_dict_attr_err_t err, fr_dict_attr_t const parent, char const *name)

bool	dict_attr_can_have_children (fr_dict_attr_t const *da)
	See if a fr_dict_attr_t can have children. More...

int	dict_attr_child_add (fr_dict_attr_t parent, fr_dict_attr_t child)
	Add a child to a parent. More...

fr_dict_attr_t *	dict_attr_child_by_num (fr_dict_attr_t const *parent, unsigned int attr)
	Internal version of fr_dict_attr_child_by_num. More...

int	dict_attr_enum_add_name (fr_dict_attr_t da, char const name, fr_value_box_t const value, bool coerce, bool replace, fr_dict_attr_t const child_struct)

bool	dict_attr_flags_valid (fr_dict_attr_t *da))
	Validate a set of flags. More...

bool	dict_attr_valid (fr_dict_attr_t *da)
	Validate a new attribute definition. More...

fr_dict_t *	dict_by_da (fr_dict_attr_t const *da)
	Internal version of fr_dict_by_da. More...

fr_dict_t *	dict_by_protocol_name (char const *name)
	Internal version of fr_dict_by_protocol_name. More...

fr_dict_t *	dict_by_protocol_num (unsigned int num)
	Internal version of fr_dict_by_protocol_num. More...

fr_slen_t	dict_by_protocol_substr (fr_dict_attr_err_t err, fr_dict_t out, fr_sbuff_t name, fr_dict_t const *dict_def)

int	dict_dependent_add (fr_dict_t dict, char const dependent)
	Record a new dependency on a dictionary. More...

int	dict_dependent_remove (fr_dict_t dict, char const dependent)
	Decrement ref count for a dependent in a dictionary. More...

int	dict_dlopen (fr_dict_t dict, char const name)

bool	dict_has_dependents (fr_dict_t *dict)
	Check if a dictionary still has dependents. More...

int	dict_protocol_add (fr_dict_t *dict)
	Add a protocol to the global protocol table. More...

int	dict_vendor_add (fr_dict_t dict, char const name, unsigned int num)
	Add a vendor to the dictionary. More...

Variables
fr_dict_gctx_t *	dict_gctx
	Top level structure containing global dictionary state. More...

fr_dict_attr_t *	_dict_attr_alloc (char const filename, int line, TALLOC_CTX ctx, fr_dict_attr_t const parent, char const name, int attr, fr_type_t type, dict_attr_args_t const *args))
	Allocate a dictionary attribute on the heap. More...

fr_dict_attr_t *	_dict_attr_alloc_root (char const filename, int line, TALLOC_CTX ctx, fr_dict_t const dict, char const name, int attr, dict_attr_args_t const *args))
	Allocate a dictionary root attribute on the heap. More...

int	_dict_attr_init (char const filename, int line, fr_dict_attr_t da_p, fr_dict_attr_t const parent, char const name, unsigned int attr, fr_type_t type, dict_attr_args_t const args))
	Initialise fields in a dictionary attribute structure. More...

int	_dict_attr_init_name_only (char const filename, int line, fr_dict_attr_t da_p, fr_dict_attr_t const parent, char const name, fr_type_t type, dict_attr_args_t const args))
	Initialise fields in a dictionary attribute structure. More...

#define	dict_attr_alloc(_ctx, _parent, _name, _attr, _type, _args) _dict_attr_alloc(__FILE__, __LINE__, _ctx, _parent, _name, _attr, _type, (_args))

#define	dict_attr_alloc_root(_ctx, _dict, _name, _attr, _args) _dict_attr_alloc_root(__FILE__, __LINE__, _ctx, _dict, _name, _attr, _args)

#define	dict_attr_init(_da_p, _parent, _name, _attr, _type, _args) _dict_attr_init(__FILE__, __LINE__, _da_p, _parent, _name, _attr, _type, _args)
	Full initialisation functions. More...

#define	dict_attr_init_name_only(_da_p, _parent, _name, _type, _args) _dict_attr_init_name_only(__FILE__, __LINE__, _da_p, _parent, _name, _type, _args)

fr_dict_attr_t *	dict_attr_alloc_null (TALLOC_CTX ctx, fr_dict_protocol_t const dict)
	Partial initialisation functions. More...

int	dict_attr_finalise (fr_dict_attr_t *da_p, char const name)
	Set remaining fields in a dictionary attribute before insertion. More...

void	dict_attr_location_init (fr_dict_attr_t da, char const filename, int line)
	Set where the dictionary attribute was defined. More...

int	dict_attr_num_init (fr_dict_attr_t *da, unsigned int num)
	Set the attribute number (if any) More...

int	dict_attr_num_init_name_only (fr_dict_attr_t *da)
	Set the attribute number (if any) More...

int	dict_attr_parent_init (fr_dict_attr_t *da_p, fr_dict_attr_t const parent)
	Initialise fields which depend on a parent attribute. More...

int	dict_attr_type_init (fr_dict_attr_t **da_p, fr_type_t type)
	Initialise type specific fields within the dictionary attribute. More...

Detailed Description

Private Multi-protocol AVP dictionary API.

Copyright: 2019 The FreeRADIUS server project

Definition in file dict_priv.h.

Data Structure Documentation

◆ dict_attr_args_t

struct dict_attr_args_t

Optional arguments for initialising/allocating attributes.

Definition at line 171 of file dict_priv.h.

Collaboration diagram for dict_attr_args_t:

Data Fields
fr_dict_attr_flags_t const *	flags	Any flags to assign to the attribute.
fr_dict_attr_t const *	ref	This attribute is a reference to another attribute.

◆ fr_dict_dependent_t

struct fr_dict_dependent_t

Entry recording dictionary reference holders by file.

Definition at line 58 of file dict_priv.h.

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Data Fields
int	count	How many references are held by this file. Signed to help figure out when things go wrong...
char const *	dependent	File holding the reference.
fr_rb_node_t	node

◆ fr_dict_filename_t

struct fr_dict_filename_t

Entry in the filename list of files associated with this dictionary.

Mainly used for debugging.

Definition at line 69 of file dict_priv.h.

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Data Fields
fr_dlist_t	entry	Entry in the list of filenames.
char *	filename	Name of the file the dictionary was loaded on.

◆ fr_dict_gctx_s

struct fr_dict_gctx_s

Definition at line 125 of file dict_priv.h.

Collaboration diagram for fr_dict_gctx_s:

Data Fields
fr_dict_attr_t const *	attr_protocol_encapsulation
char *	dict_dir_default	The default location for loading dictionaries if one wasn't provided.
dl_loader_t *	dict_loader	for protocol validation
bool	free_at_exit	This gctx will be freed on exit.
fr_dict_t *	internal	Magic internal dictionary. Internal dictionary is checked in addition to the protocol dictionary when resolving attribute names. This is because internal attributes are valid for every protocol.
bool	perm_check	Whether we should check dictionary file permissions as they're loaded.
fr_hash_table_t *	protocol_by_name	Hash containing names of all the registered protocols.
fr_hash_table_t *	protocol_by_num	Hash containing numbers of all the registered protocols.
bool	read_only

◆ fr_dict_s

struct fr_dict_s

Vendors and attribute names.

It's very likely that the same vendors will operate in multiple protocol spaces, but number their attributes differently, so we need per protocol dictionaries.

There would also be conflicts for DHCP(v6)/RADIUS attributes etc...

Definition at line 83 of file dict_priv.h.

Collaboration diagram for fr_dict_s:

Data Fields
fr_hash_table_t *	autoref	other dictionaries that we loaded via references
fr_rb_tree_t *	dependents	Which files are using this dictionary.
dl_t *	dl	for validation
fr_dlist_head_t	filenames	Files that this dictionary was loaded from.
fr_dict_attr_t **	fixups	Attributes that need fixing up.
fr_dict_gctx_t *	gctx	Global dictionary context this dictionary was allocated in.
bool	in_protocol_by_name	Whether the dictionary has been inserted into the protocol_by_name hash.
bool	in_protocol_by_num	Whether the dictionary has been inserted into the protocol_by_num table.
bool	loaded	from fr_dict_protocol_afrom_file();
bool	loading	from fr_dict_protocol_afrom_file();
fr_dict_t const *	next	for attribute overloading
TALLOC_CTX *	pool	Talloc memory pool to reduce allocs. in the dictionary.
fr_dict_protocol_t const *	proto	protocol-specific validation functions
bool	read_only	If true, disallow modifications.
fr_dict_attr_t *	root	Root attribute of this dictionary.
bool	string_based	TACACS, etc.
fr_hash_table_t *	vendors_by_name	Lookup vendor by name.
fr_hash_table_t *	vendors_by_num	Lookup vendor by PEN.
unsigned int	vsa_parent	varies with different protocols.

Macro Definition Documentation

◆ _DICT_PRIVATE

#define _DICT_PRIVATE 1

Definition at line 28 of file dict_priv.h.

◆ dict_attr_alloc

#define dict_attr_alloc	(	_ctx,
		_parent,
		_name,
		_attr,
		_type,
		_args
	)	_dict_attr_alloc(__FILE__, __LINE__, _ctx, _parent, _name, _attr, _type, (_args))

Definition at line 235 of file dict_priv.h.

◆ dict_attr_alloc_root

#define dict_attr_alloc_root	(	_ctx,
		_dict,
		_name,
		_attr,
		_args
	)	_dict_attr_alloc_root(__FILE__, __LINE__, _ctx, _dict, _name, _attr, _args)

Definition at line 227 of file dict_priv.h.

◆ dict_attr_init

#define dict_attr_init	(	_da_p,
		_parent,
		_name,
		_attr,
		_type,
		_args
	)	_dict_attr_init(__FILE__, __LINE__, _da_p, _parent, _name, _attr, _type, _args)

Full initialisation functions.

These functions either initialise, or allocate and then initialise a complete dictionary attribute.

The output of these functions can be added into a dictionary immediately

Definition at line 211 of file dict_priv.h.

◆ dict_attr_init_name_only

#define dict_attr_init_name_only	(	_da_p,
		_parent,
		_name,
		_type,
		_args
	)	_dict_attr_init_name_only(__FILE__, __LINE__, _da_p, _parent, _name, _type, _args)

Definition at line 219 of file dict_priv.h.

◆ DICT_FIXUP_POOL_SIZE

#define DICT_FIXUP_POOL_SIZE (1024)

Definition at line 38 of file dict_priv.h.

◆ DICT_POOL_SIZE

#define DICT_POOL_SIZE (1024 * 1024 * 2)

Definition at line 37 of file dict_priv.h.

◆ INTERNAL_IF_NULL

#define INTERNAL_IF_NULL	(	_dict,
		_ret
	)

Value:

        do { \
                if (!(_dict)) { \
                        _dict = dict_gctx ? dict_gctx->internal : NULL; \
                        if (unlikely(!(_dict))) { \
                                fr_strerror_const("No dictionaries available for attribute resolution"); \
                                return (_ret); \
                        } \
                } \
        } while (0)

Set the internal dictionary if none was provided.

Parameters

_dict	Dict pointer to check/set.
_ret	Value to return if no dictionaries are available.

Definition at line 45 of file dict_priv.h.

Function Documentation

◆ _dict_attr_alloc()

fr_dict_attr_t* _dict_attr_alloc	(	char const *	filename,
		int	line,
		TALLOC_CTX *	ctx,
		fr_dict_attr_t const *	parent,
		char const *	name,
		int	attr,
		fr_type_t	type,
		dict_attr_args_t const *	args
	)

Allocate a dictionary attribute on the heap.

Parameters

[in]	ctx	to allocate the attribute in.
[in]	parent	of the attribute.
[in]	name	of the attribute. If NULL an OID string will be created and set as the name.
[in]	attr	number.
[in]	type	of the attribute.
[in]	args	optional initialisation arguments.

Returns

A new fr_dict_attr_t on success.
NULL on failure.

Definition at line 988 of file dict_util.c.

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◆ _dict_attr_alloc_root()

fr_dict_attr_t* _dict_attr_alloc_root	(	char const *	filename,
		int	line,
		TALLOC_CTX *	ctx,
		fr_dict_t const *	dict,
		char const *	name,
		int	proto_number,
		dict_attr_args_t const *	args
	)

Allocate a dictionary root attribute on the heap.

Parameters

[in]	ctx	to allocate the attribute in.
[in]	dict	the attribute will be used in.
[in]	name	of the attribute. If NULL an OID string will be created and set as the name.
[in]	proto_number	number. This should be
[in]	args	optional initialisation arguments.

Returns

A new fr_dict_attr_t on success.
NULL on failure.

Definition at line 956 of file dict_util.c.

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◆ _dict_attr_init()

int _dict_attr_init	(	char const *	filename,
		int	line,
		fr_dict_attr_t **	da_p,
		fr_dict_attr_t const *	parent,
		char const *	name,
		unsigned int	attr,
		fr_type_t	type,
		dict_attr_args_t const *	args
	)

Initialise fields in a dictionary attribute structure.

This function is a wrapper around the other initialisation functions.

The reason for the separation, is that sometimes we're initialising a dictionary attribute by parsing an actual dictionary file, and other times we're copying attribute, or initialising them programatically.

This function should only be used for the second case, where we have a complet attribute definition already.

Note: This function can only be used before the attribute is inserted into the dictionary.

Parameters

[in]	filename	file.
[in]	line	number.
[in]	da_p	to initialise.
[in]	parent	of the attribute, if none, this attribute will be initialised as a dictionary root.
[in]	name	of attribute. Pass NULL for auto-generated name.
[in]	attr	number.
[in]	type	of the attribute.
[in]	args	optional initialisation arguments.

Returns

0 on success.
<0 on error.

Definition at line 824 of file dict_util.c.

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◆ _dict_attr_init_name_only()

int _dict_attr_init_name_only	(	char const *	filename,
		int	line,
		fr_dict_attr_t **	da_p,
		fr_dict_attr_t const *	parent,
		char const *	name,
		fr_type_t	type,
		dict_attr_args_t const *	args
	)

Initialise fields in a dictionary attribute structure.

This function is a wrapper around the other initialisation functions.

The reason for the separation, is that sometimes we're initialising a dictionary attribute by parsing an actual dictionary file, and other times we're copying attribute, or initialising them programatically.

This function should only be used for the second case, where we have a complet attribute definition already.

Note: This function can only be used before the attribute is inserted into the dictionary.

Parameters

[in]	filename	file.
[in]	line	number.
[in]	da_p	to initialise.
[in]	parent	of the attribute, if none, this attribute will be initialised as a dictionary root.
[in]	name	of attribute. Pass NULL for auto-generated name. automatically generated.
[in]	type	of the attribute.
[in]	args	optional initialisation arguments.

Returns

0 on success.
<0 on error.

Definition at line 865 of file dict_util.c.

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◆ dict_alloc()

fr_dict_t* dict_alloc ( TALLOC_CTX * ctx )

Allocate a new dictionary.

Parameters

[in] ctx to allocate dictionary in.

Returns

NULL on memory allocation error.

Definition at line 3872 of file dict_util.c.

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◆ dict_attr_acopy()

fr_dict_attr_t* dict_attr_acopy	(	TALLOC_CTX *	ctx,
		fr_dict_attr_t const *	in,
		char const *	new_name
	)

Copy a an existing attribute.

Parameters

[in]	ctx	to allocate new attribute in.
[in]	in	attribute to copy.
[in]	new_name	to assign to the attribute. If NULL the existing name will be used.

Returns

A copy of the input fr_dict_attr_t on success.
NULL on failure.

Definition at line 1017 of file dict_util.c.

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◆ dict_attr_acopy_children()

int dict_attr_acopy_children	(	fr_dict_t *	dict,
		fr_dict_attr_t *	dst,
		fr_dict_attr_t const *	src
	)

Copy the children of an existing attribute.

Parameters

[in]	dict	to allocate the children in
[in]	dst	where to copy the children to
[in]	src	where to copy the children from

Returns

0 on success
<0 on error

Definition at line 1087 of file dict_util.c.

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◆ dict_attr_acopy_enumv()

int dict_attr_acopy_enumv	(	fr_dict_attr_t *	dst,
		fr_dict_attr_t const *	src
	)

Copy the VALUEs of an existing attribute, by casting them.

Parameters

[in]	dst	where to cast the VALUEs to
[in]	src	where to cast the VALUEs from

Returns

0 on success
<0 on error

Definition at line 1145 of file dict_util.c.

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◆ dict_attr_add_to_namespace()

int dict_attr_add_to_namespace	(	fr_dict_attr_t const *	parent,
		fr_dict_attr_t *	da
	)

Add an attribute to the name table for an attribute.

Parameters

[in]	parent	containing the namespace to add this attribute to.
[in]	da	to add to the name lookup tables.

Returns

0 on success.
-1 on failure.

Definition at line 1524 of file dict_util.c.

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◆ dict_attr_alias_add()

int dict_attr_alias_add	(	fr_dict_attr_t const *	parent,
		char const *	alias,
		fr_dict_attr_t const *	ref
	)

Add an alias to an existing attribute.

Definition at line 1174 of file dict_util.c.

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◆ dict_attr_alloc_null()

fr_dict_attr_t* dict_attr_alloc_null	(	TALLOC_CTX *	ctx,
		fr_dict_protocol_t const *	proto
	)

Partial initialisation functions.

These functions are used to initialise attributes in stages, i.e. when parsing a dictionary.

The finalise function must be called to complete the initialisation.

All functions must be called to fully initialise a dictionary attribute, except dict_attr_parent_init this is not necessary for root attributes.

Partial initialisation functions.

This is useful in some instances where we need to pre-allocate the attribute for talloc hierarchy reasons, but want to finish initialising it with dict_attr_init later.

Parameters

[in]	ctx	to allocate attribute in.
[in]	proto	protocol specific extensions.

Returns

A new, partially completed, fr_dict_attr_t on success.
NULL on failure (memory allocation error).

Definition at line 917 of file dict_util.c.

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◆ dict_attr_by_name()

fr_dict_attr_t* dict_attr_by_name	(	fr_dict_attr_err_t *	err,
		fr_dict_attr_t const *	parent,
		char const *	name
	)

Definition at line 3217 of file dict_util.c.

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◆ dict_attr_can_have_children()

bool dict_attr_can_have_children ( fr_dict_attr_t const * da )

See if a fr_dict_attr_t can have children.

The check for children is complicated by the need for "int" types to have children, when they are key fields in a struct. This situation occurs when a struct has multiple sub-structures, which are selected based on a key field.

There is no other place for the sub-structures to go. In the future, we may extend the functionality of the key field, by allowing non-integer data types. That would require storing keys as fr_dict_enum_value_t, and then placing the child (i.e. sub) structures there. But that would involve adding children to enums, which is currently not supported.

Parameters

da	the dictionary attribute to check.

Definition at line 1391 of file dict_util.c.

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◆ dict_attr_child_add()

int dict_attr_child_add	(	fr_dict_attr_t *	parent,
		fr_dict_attr_t *	child
	)

Add a child to a parent.

Parameters

[in]	parent	we're adding a child to.
[in]	child	to add to parent.

Returns

0 on success.
-1 on failure (memory allocation error).

Definition at line 1425 of file dict_util.c.

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◆ dict_attr_child_by_num()

fr_dict_attr_t* dict_attr_child_by_num	(	fr_dict_attr_t const *	parent,
		unsigned int	attr
	)

Internal version of fr_dict_attr_child_by_num.

Definition at line 3281 of file dict_util.c.

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◆ dict_attr_enum_add_name()

int dict_attr_enum_add_name	(	fr_dict_attr_t *	da,
		char const *	name,
		fr_value_box_t const *	value,
		bool	coerce,
		bool	replace,
		fr_dict_attr_t const *	child_struct
	)

Definition at line 1752 of file dict_util.c.

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◆ dict_attr_finalise()

int dict_attr_finalise	(	fr_dict_attr_t **	da_p,
		char const *	name
	)

Set remaining fields in a dictionary attribute before insertion.

Parameters

[in]	da_p	to finalise.
[in]	name	of the attribute.

Returns

0 on success.
< 0 on error.

Definition at line 709 of file dict_util.c.

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◆ dict_attr_flags_valid()

bool dict_attr_flags_valid ( fr_dict_attr_t * da )

Validate a set of flags.

Parameters

[in] da to check.

Returns

true if attribute definition is valid.
false if attribute definition is not valid.

Definition at line 35 of file dict_validate.c.

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◆ dict_attr_location_init()

void dict_attr_location_init	(	fr_dict_attr_t *	da,
		char const *	filename,
		int	line
	)

Set where the dictionary attribute was defined.

Definition at line 695 of file dict_util.c.

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◆ dict_attr_num_init()

int dict_attr_num_init	(	fr_dict_attr_t *	da,
		unsigned int	num
	)

Set the attribute number (if any)

Parameters

[in]	da	to set the attribute number for.
[in]	num	to set.

Definition at line 665 of file dict_util.c.

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◆ dict_attr_num_init_name_only()

int dict_attr_num_init_name_only ( fr_dict_attr_t * da )

Set the attribute number (if any)

Note: Must have a parent set.

Parameters

[in] da to set the attribute number for.

Definition at line 683 of file dict_util.c.

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◆ dict_attr_parent_init()

int dict_attr_parent_init	(	fr_dict_attr_t **	da_p,
		fr_dict_attr_t const *	parent
	)

Initialise fields which depend on a parent attribute.

Parameters

[in,out]	da_p	to initialise.
[in]	parent	of the attribute.

Returns

0 on success.
< 0 on error.

Definition at line 613 of file dict_util.c.

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◆ dict_attr_type_init()

int dict_attr_type_init	(	fr_dict_attr_t **	da_p,
		fr_type_t	type
	)

Initialise type specific fields within the dictionary attribute.

Call when the type of the attribute is known.

Parameters

[in,out]	da_p	to set the type for.
[in]	type	to set.

Returns

0 on success.
< 0 on error.

Definition at line 519 of file dict_util.c.

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◆ dict_attr_valid()

bool dict_attr_valid ( fr_dict_attr_t * da )

Validate a new attribute definition.

Todo:: we need to check length of none vendor attributes.

Parameters

[in] da to validate.

Returns

true if attribute definition is valid.
false if attribute definition is not valid.

Definition at line 603 of file dict_validate.c.

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◆ dict_by_da()

fr_dict_t* dict_by_da ( fr_dict_attr_t const * da )

Internal version of fr_dict_by_da.

Note: For internal use by the dictionary API only.

Attempt to locate the protocol dictionary containing an attribute.

Definition at line 2536 of file dict_util.c.

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◆ dict_by_protocol_name()

fr_dict_t* dict_by_protocol_name ( char const * name )

Internal version of fr_dict_by_protocol_name.

Note: For internal use by the dictionary API only.

Lookup a protocol by its name.

Definition at line 2508 of file dict_util.c.

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◆ dict_by_protocol_num()

fr_dict_t* dict_by_protocol_num ( unsigned int num )

Internal version of fr_dict_by_protocol_num.

Note: For internal use by the dictionary API only.

Lookup a protocol by its number.

Definition at line 2522 of file dict_util.c.

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◆ dict_by_protocol_substr()

fr_slen_t dict_by_protocol_substr	(	fr_dict_attr_err_t *	err,
		fr_dict_t **	out,
		fr_sbuff_t *	name,
		fr_dict_t const *	dict_def
	)

Definition at line 2415 of file dict_util.c.

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◆ dict_dependent_add()

int dict_dependent_add	(	fr_dict_t *	dict,
		char const *	dependent
	)

Record a new dependency on a dictionary.

These are used to determine what is currently depending on a dictionary.

Parameters

[in]	dict	to record dependency on.
[in]	dependent	Either C src file, or another dictionary.

Returns

0 on success.
-1 on failure.

Definition at line 3647 of file dict_util.c.

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◆ dict_dependent_remove()

int dict_dependent_remove	(	fr_dict_t *	dict,
		char const *	dependent
	)

Decrement ref count for a dependent in a dictionary.

Parameters

[in]	dict	to remove dependency from.
[in]	dependent	Either C src, or another dictionary dependent. What depends on this dictionary.

Definition at line 3706 of file dict_util.c.

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◆ dict_dlopen()

int dict_dlopen	(	fr_dict_t *	dict,
		char const *	name
	)

Definition at line 3555 of file dict_util.c.

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◆ dict_has_dependents()

bool dict_has_dependents ( fr_dict_t * dict )

Check if a dictionary still has dependents.

Parameters

[in] dict to check

Returns

true if there's still at least one dependent.
false if there are no dependents.

Definition at line 3738 of file dict_util.c.

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◆ dict_protocol_add()

int dict_protocol_add ( fr_dict_t * dict )

Add a protocol to the global protocol table.

Inserts a protocol into the global protocol table. Uses the root attributes of the dictionary for comparisons.

Parameters

[in] dict of protocol we're inserting.

Returns

0 on success.
-1 on failure.

Definition at line 1236 of file dict_util.c.

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◆ dict_vendor_add()

int dict_vendor_add	(	fr_dict_t *	dict,
		char const *	name,
		unsigned int	num
	)

Add a vendor to the dictionary.

Inserts a vendor entry into the vendor hash table. This must be done before adding attributes under a VSA.

Parameters

[in]	dict	of protocol context we're operating in. If NULL the internal dictionary will be used.
[in]	name	of the vendor.
[in]	num	Vendor's Private Enterprise Number.

Returns

0 on success.
-1 on failure.

Definition at line 1309 of file dict_util.c.

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Variable Documentation

◆ dict_gctx

fr_dict_gctx_t* dict_gctx

extern

Top level structure containing global dictionary state.

Definition at line 46 of file dict_util.c.

Data Structures

Macros

Functions

Variables

Detailed Description

Data Structure Documentation

◆ dict_attr_args_t

◆ fr_dict_dependent_t

◆ fr_dict_filename_t

◆ fr_dict_gctx_s

◆ fr_dict_s

Macro Definition Documentation

◆ _DICT_PRIVATE

◆ dict_attr_alloc

◆ dict_attr_alloc_root

◆ dict_attr_init

◆ dict_attr_init_name_only

◆ DICT_FIXUP_POOL_SIZE

◆ DICT_POOL_SIZE

◆ INTERNAL_IF_NULL

Function Documentation

◆ _dict_attr_alloc()

◆ _dict_attr_alloc_root()

◆ _dict_attr_init()

◆ _dict_attr_init_name_only()

◆ dict_alloc()

◆ dict_attr_acopy()

◆ dict_attr_acopy_children()

◆ dict_attr_acopy_enumv()

◆ dict_attr_add_to_namespace()

◆ dict_attr_alias_add()

◆ dict_attr_alloc_null()

◆ dict_attr_by_name()

◆ dict_attr_can_have_children()

◆ dict_attr_child_add()

◆ dict_attr_child_by_num()

◆ dict_attr_enum_add_name()

◆ dict_attr_finalise()

◆ dict_attr_flags_valid()

◆ dict_attr_location_init()

◆ dict_attr_num_init()

◆ dict_attr_num_init_name_only()

◆ dict_attr_parent_init()

◆ dict_attr_type_init()

◆ dict_attr_valid()

◆ dict_by_da()

◆ dict_by_protocol_name()

◆ dict_by_protocol_num()

◆ dict_by_protocol_substr()

◆ dict_dependent_add()

◆ dict_dependent_remove()

◆ dict_dlopen()

◆ dict_has_dependents()

◆ dict_protocol_add()

◆ dict_vendor_add()

Variable Documentation

◆ dict_gctx