AVP manipulation and search API. More...

#include <freeradius-devel/util/debug.h>
#include <freeradius-devel/util/misc.h>
#include <freeradius-devel/util/pair.h>
#include <freeradius-devel/util/pair_legacy.h>
#include <freeradius-devel/util/proto.h>
#include <freeradius-devel/util/regex.h>
#include <freeradius-devel/util/pair_inline.c>

Include dependency graph for pair.c:

Go to the source code of this file.

Macros
#define	_PAIR_INLINE 1

#define	_PAIR_PRIVATE 1

#define	IN_A_LIST_MSG "Pair %pV is already in a list, and cannot be moved"

#define	NOT_IN_THIS_LIST_MSG "Pair %pV is not in the given list"

Functions
fr_pair_t *	_fr_pair_dcursor_by_ancestor_init (fr_dcursor_t cursor, fr_pair_list_t const list, fr_dict_attr_t const *da, bool is_const)
	Initialise a cursor that will return only attributes descended from the specified fr_dict_attr_t. More...

fr_pair_t *	_fr_pair_dcursor_by_da_init (fr_dcursor_t cursor, fr_pair_list_t const list, fr_dict_attr_t const *da, bool is_const)
	Initialise a cursor that will return only attributes matching the specified fr_dict_attr_t. More...

fr_pair_t *	_fr_pair_dcursor_init (fr_dcursor_t cursor, fr_pair_list_t const list, bool is_const)
	Initialises a special dcursor with callbacks that will maintain the attr sublists correctly. More...

fr_pair_t *	_fr_pair_dcursor_iter_init (fr_dcursor_t cursor, fr_pair_list_t const list, fr_dcursor_iter_t iter, void const *uctx, bool is_const)
	Initialises a special dcursor with callbacks that will maintain the attr sublists correctly. More...

static int	_fr_pair_free (fr_pair_t *vp)
	Free a fr_pair_t. More...

static void *	_fr_pair_iter_next_dcursor_value (UNUSED fr_dlist_head_t list, void current, void *uctx)
	Iterate over pairs. More...

static void *	_fr_pair_iter_next_value (fr_dlist_head_t list, void current, UNUSED void *uctx)
	Iterate over pairs. More...

static int	_pair_list_dcursor_insert (fr_dlist_head_t list, void to_insert, UNUSED void *uctx)
	Keep attr tree and sublists synced on cursor insert. More...

static int	_pair_list_dcursor_remove (NDEBUG_UNUSED fr_dlist_head_t list, void to_remove, UNUSED void *uctx)
	Keep attr tree and sublists synced on cursor removal. More...

static void	fprintf_pair_list (FILE fp, fr_pair_list_t const list, int depth)

void	fr_fprintf_pair (FILE fp, char const msg, fr_pair_t const *vp)

void	fr_fprintf_pair_list (FILE fp, fr_pair_list_t const list)

fr_pair_t *	fr_pair_afrom_child_num (TALLOC_CTX ctx, fr_dict_attr_t const parent, unsigned int attr)
	Create a new valuepair. More...

fr_pair_t *	fr_pair_afrom_da (TALLOC_CTX ctx, fr_dict_attr_t const da)
	Dynamically allocate a new attribute and assign a fr_dict_attr_t. More...

fr_pair_t *	fr_pair_afrom_da_depth_nested (TALLOC_CTX ctx, fr_pair_list_t list, fr_dict_attr_t const *da, int start)
	Create a pair (and all intermediate parents), and append it to the list. More...

fr_pair_t *	fr_pair_afrom_da_nested (TALLOC_CTX ctx, fr_pair_list_t list, fr_dict_attr_t const *da)
	Create a pair (and all intermediate parents), and append it to the list. More...

fr_pair_t *	fr_pair_alloc_null (TALLOC_CTX *ctx)
	Dynamically allocate a new attribute with no fr_dict_attr_t assigned. More...

int	fr_pair_append (fr_pair_list_t list, fr_pair_t to_add)
	Add a VP to the end of the list. More...

int	fr_pair_append_by_da (TALLOC_CTX ctx, fr_pair_t out, fr_pair_list_t list, fr_dict_attr_t const *da)
	Alloc a new fr_pair_t (and append) More...

int	fr_pair_append_by_da_parent (TALLOC_CTX ctx, fr_pair_t out, fr_pair_list_t list, fr_dict_attr_t const *da)
	Alloc a new fr_pair_t, adding the parent attributes if required. More...

fr_pair_list_t *	fr_pair_children (fr_pair_t *vp)
	Get the child list of a group. More...

int	fr_pair_cmp (fr_pair_t const a, fr_pair_t const b)
	Compare two pairs, using the operator from "a". More...

int8_t	fr_pair_cmp_by_da (void const a, void const b)
	Order attributes by their da, and tag. More...

int8_t	fr_pair_cmp_by_parent_num (void const a, void const b)
	Order attributes by their parent(s), attribute number, and tag. More...

fr_pair_t *	fr_pair_copy (TALLOC_CTX ctx, fr_pair_t const vp)
	Copy a single valuepair. More...

unsigned int	fr_pair_count_by_da (fr_pair_list_t const list, fr_dict_attr_t const da)
	Return the number of instances of a given da in the specified list. More...

fr_value_box_t *	fr_pair_dcursor_nested_init (fr_dcursor_t cursor, fr_dcursor_t parent)
	Initialises a special dcursor over another cursor which returns fr_pair_t, but we return fr_value_box_t. More...

fr_value_box_t *	fr_pair_dcursor_value_init (fr_dcursor_t *cursor)
	Initialises a special dcursor over a fr_pair_list_t, but which returns fr_value_box_t. More...

fr_pair_t *	fr_pair_delete (fr_pair_list_t list, fr_pair_t vp)
	Remove fr_pair_t from a list and free. More...

int	fr_pair_delete_by_child_num (fr_pair_list_t list, fr_dict_attr_t const parent, unsigned int attr)
	Delete matching pairs from the specified list. More...

int	fr_pair_delete_by_da (fr_pair_list_t list, fr_dict_attr_t const da)
	Delete matching pairs from the specified list. More...

int	fr_pair_delete_by_da_nested (fr_pair_list_t list, fr_dict_attr_t const da)
	Delete matching pairs from the specified list, and prune any empty branches. More...

fr_pair_t *	fr_pair_find_by_child_num (fr_pair_list_t const list, fr_pair_t const prev, fr_dict_attr_t const *parent, unsigned int attr)
	Find the pair with the matching child attribute. More...

fr_pair_t *	fr_pair_find_by_child_num_idx (fr_pair_list_t const list, fr_dict_attr_t const parent, unsigned int attr, unsigned int idx)
	Find the pair with the matching child attribute at a given index. More...

fr_pair_t *	fr_pair_find_by_da (fr_pair_list_t const list, fr_pair_t const prev, fr_dict_attr_t const *da)
	Find the first pair with a matching da. More...

fr_pair_t *	fr_pair_find_by_da_idx (fr_pair_list_t const list, fr_dict_attr_t const da, unsigned int idx)
	Find a pair with a matching da at a given index. More...

fr_pair_t *	fr_pair_find_by_da_nested (fr_pair_list_t const list, fr_pair_t const prev, fr_dict_attr_t const *da)
	Find a pair with a matching fr_dict_attr_t, by walking the nested fr_dict_attr_t tree. More...

fr_pair_t *	fr_pair_find_last_by_da (fr_pair_list_t const list, fr_pair_t const prev, fr_dict_attr_t const *da)
	Find the last pair with a matching da. More...

bool	fr_pair_immutable (fr_pair_t const *vp)

void	fr_pair_init_null (fr_pair_t *vp)
	Initialise fields in an fr_pair_t without assigning a da. More...

int	fr_pair_insert_after (fr_pair_list_t list, fr_pair_t pos, fr_pair_t *to_add)
	Add a VP after another VP. More...

int	fr_pair_insert_before (fr_pair_list_t list, fr_pair_t pos, fr_pair_t *to_add)
	Add a VP before another VP. More...

static void *	fr_pair_iter_next_by_ancestor (fr_dlist_head_t list, void current, void *uctx)
	Iterate over pairs which are decedents of the specified da. More...

static void *	fr_pair_iter_next_by_da (fr_dlist_head_t list, void current, void *uctx)
	Iterate over pairs with a specified da. More...

void	fr_pair_list_afrom_box (TALLOC_CTX ctx, fr_pair_list_t out, fr_dict_t const dict, fr_value_box_t box)
	Parse a list of VPs from a value box. More...

fr_pair_list_t *	fr_pair_list_alloc (TALLOC_CTX *ctx)
	Allocate a new pair list on the heap. More...

int	fr_pair_list_cmp (fr_pair_list_t const a, fr_pair_list_t const b)
	Determine equality of two lists. More...

int	fr_pair_list_copy (TALLOC_CTX ctx, fr_pair_list_t to, fr_pair_list_t const *from)
	Duplicate a list of pairs. More...

int	fr_pair_list_copy_by_ancestor (TALLOC_CTX ctx, fr_pair_list_t to, fr_pair_list_t const from, fr_dict_attr_t const parent_da)
	Duplicate pairs in a list where the da is a descendant of parent_da. More...

int	fr_pair_list_copy_by_da (TALLOC_CTX ctx, fr_pair_list_t to, fr_pair_list_t const from, fr_dict_attr_t const da, unsigned int count)
	Duplicate pairs in a list matching the specified da. More...

int	fr_pair_list_copy_to_box (fr_value_box_t dst, fr_pair_list_t from)
	Copy the contents of a pair list to a set of value-boxes. More...

void	fr_pair_list_init (fr_pair_list_t *list)
	Initialise a pair list header. More...

fr_pair_t *	fr_pair_list_iter_leaf (fr_pair_list_t list, fr_pair_t vp)
	Iterates over the leaves of a list. More...

fr_pair_t *	fr_pair_list_parent (fr_pair_list_t const *list)
	Return a pointer to the parent pair which contains this list. More...

void	fr_pair_list_steal (TALLOC_CTX ctx, fr_pair_list_t list)
	Steal a list of pairs to a new context. More...

void	fr_pair_list_tainted (fr_pair_list_t *list)
	Mark up a list of VPs as tainted. More...

bool	fr_pair_matches_da (void const item, void const uctx)
	Evaluation function for matching if vp matches a given da. More...

fr_pair_t *	fr_pair_parent (fr_pair_t const *vp)
	Return a pointer to the parent pair. More...

fr_pair_list_t *	fr_pair_parent_list (fr_pair_t const *vp)
	Return a pointer to the parent pair list. More...

int	fr_pair_prepend (fr_pair_list_t list, fr_pair_t to_add)
	Add a VP to the start of the list. More...

int	fr_pair_prepend_by_da (TALLOC_CTX ctx, fr_pair_t out, fr_pair_list_t list, fr_dict_attr_t const *da)
	Alloc a new fr_pair_t (and prepend) More...

int	fr_pair_raw_afrom_pair (fr_pair_t vp, uint8_t const data, size_t data_len)
	Mark malformed attribute as raw. More...

int	fr_pair_reinit_from_da (fr_pair_list_t list, fr_pair_t vp, fr_dict_attr_t const *da)
	Re-initialise an attribute with a different da. More...

void	fr_pair_replace (fr_pair_list_t list, fr_pair_t to_replace, fr_pair_t *vp)
	Replace a given VP. More...

fr_pair_t *	fr_pair_root_afrom_da (TALLOC_CTX ctx, fr_dict_attr_t const da)
	A special allocation function which disables child autofree. More...

int	fr_pair_steal (TALLOC_CTX ctx, fr_pair_t vp)
	Steal one VP. More...

int	fr_pair_steal_append (TALLOC_CTX list_ctx, fr_pair_list_t list, fr_pair_t *vp)
	Change a vp's talloc ctx and insert it into a new list. More...

int	fr_pair_steal_prepend (TALLOC_CTX list_ctx, fr_pair_list_t list, fr_pair_t *vp)
	Change a vp's talloc ctx and insert it into a new list. More...

int	fr_pair_sublist_copy (TALLOC_CTX ctx, fr_pair_list_t to, fr_pair_list_t const from, fr_pair_t const start, unsigned int count)
	Duplicate a list of pairs starting at a particular item. More...

int	fr_pair_update_by_da_parent (fr_pair_t parent, fr_pair_t out, fr_dict_attr_t const da)
	Return the first fr_pair_t matching the fr_dict_attr_t or alloc a new fr_pair_t and its subtree (and append) More...

bool	fr_pair_validate (fr_pair_t const failed[2], fr_pair_list_t filter, fr_pair_list_t *list)
	Uses fr_pair_cmp to verify all fr_pair_ts in list match the filter defined by check. More...

void	fr_pair_validate_debug (fr_pair_t const *failed[2])
	Write an error to the library errorbuff detailing the mismatch. More...

bool	fr_pair_validate_relaxed (fr_pair_t const failed[2], fr_pair_list_t filter, fr_pair_list_t *list)
	Uses fr_pair_cmp to verify all fr_pair_ts in list match the filter defined by check. More...

int	fr_pair_value_aprintf (fr_pair_t vp, char const fmt,...)
	Print data into an "string" data type. More...

int	fr_pair_value_bstr_alloc (fr_pair_t vp, char *out, size_t size, bool tainted)
	Pre-allocate a memory buffer for a "string" type value pair. More...

int	fr_pair_value_bstr_append_buffer (fr_pair_t vp, char const src, bool tainted)
	Append a talloced buffer to an existing "string" type value pair. More...

int	fr_pair_value_bstr_realloc (fr_pair_t vp, char *out, size_t size)
	Change the length of a buffer for a "string" type value pair. More...

int	fr_pair_value_bstrdup_buffer (fr_pair_t vp, char const src, bool tainted)
	Copy a nul terminated talloced buffer a "string" type value pair. More...

int	fr_pair_value_bstrdup_buffer_shallow (fr_pair_t vp, char const src, bool tainted)
	Assign a string to a "string" type value pair. More...

int	fr_pair_value_bstrn_append (fr_pair_t vp, char const src, size_t len, bool tainted)
	Append bytes from a buffer to an existing "string" type value pair. More...

int	fr_pair_value_bstrndup (fr_pair_t vp, char const src, size_t len, bool tainted)
	Copy data into a "string" type value pair. More...

int	fr_pair_value_bstrndup_shallow (fr_pair_t vp, char const src, size_t len, bool tainted)
	Assign a string to a "string" type value pair. More...

void	fr_pair_value_clear (fr_pair_t *vp)
	Free/zero out value (or children) of a given VP. More...

int	fr_pair_value_copy (fr_pair_t dst, fr_pair_t src)
	Copy the value from one pair to another. More...

char const *	fr_pair_value_enum (fr_pair_t const *vp, char buff[20])
	Return a const buffer for an enum type attribute. More...

int	fr_pair_value_enum_box (fr_value_box_t const *out, fr_pair_t vp)
	Get value box of a VP, optionally prefer enum value. More...

int	fr_pair_value_from_str (fr_pair_t vp, char const value, size_t inlen, fr_sbuff_unescape_rules_t const *uerules, bool tainted)
	Convert string value to native attribute value. More...

int	fr_pair_value_mem_alloc (fr_pair_t vp, uint8_t *out, size_t size, bool tainted)
	Pre-allocate a memory buffer for a "octets" type value pair. More...

int	fr_pair_value_mem_append (fr_pair_t vp, uint8_t src, size_t len, bool tainted)
	Append bytes from a buffer to an existing "octets" type value pair. More...

int	fr_pair_value_mem_append_buffer (fr_pair_t vp, uint8_t src, bool tainted)
	Append a talloced buffer to an existing "octets" type value pair. More...

int	fr_pair_value_mem_realloc (fr_pair_t vp, uint8_t *out, size_t size)
	Change the length of a buffer for a "octets" type value pair. More...

int	fr_pair_value_memdup (fr_pair_t vp, uint8_t const src, size_t len, bool tainted)
	Copy data into an "octets" data type. More...

int	fr_pair_value_memdup_buffer (fr_pair_t vp, uint8_t const src, bool tainted)
	Copy data from a talloced buffer into an "octets" data type. More...

int	fr_pair_value_memdup_buffer_shallow (fr_pair_t vp, uint8_t const src, bool tainted)
	Assign a talloced buffer to a "octets" type value pair. More...

int	fr_pair_value_memdup_shallow (fr_pair_t vp, uint8_t const src, size_t len, bool tainted)
	Assign a buffer to a "octets" type value pair. More...

int	fr_pair_value_strdup (fr_pair_t vp, char const src, bool tainted)
	Copy data into an "string" data type. More...

int	fr_pair_value_strdup_shallow (fr_pair_t vp, char const src, bool tainted)
	Assign a buffer containing a nul terminated string to a vp, but don't copy it. More...

int	fr_pair_value_strtrim (fr_pair_t *vp)
	Trim the length of the string buffer to match the length of the C string. More...

static fr_pair_t *	pair_alloc_parent (fr_pair_t in, fr_pair_t item, fr_dict_attr_t const *da)
	Find or allocate a parent attribute. More...

static int8_t	pair_cmp_by_num (void const a, void const b)
	Order attributes by their attribute number, and tag. More...

static void	pair_init_from_da (fr_pair_t vp, fr_dict_attr_t const da)
	Continue initialising an fr_pair_t assigning a da. More...

static void	pair_init_null (fr_pair_t *vp)
	Initialise fields in an fr_pair_t without assigning a da. More...

Variables
static const char	spaces [] = " "

static fr_dlist_head_t	value_dlist

Detailed Description

AVP manipulation and search API.

Copyright: 2021 Arran Cudbard-Bell a.cud.nosp@m.bard.nosp@m.b@fre.nosp@m.erad.nosp@m.ius.o.nosp@m.rg; 2000,2006,2015,2020 The FreeRADIUS server project

Definition in file pair.c.

Macro Definition Documentation

◆ _PAIR_INLINE

#define _PAIR_INLINE 1

Definition at line 27 of file pair.c.

◆ _PAIR_PRIVATE

#define _PAIR_PRIVATE 1

Definition at line 26 of file pair.c.

◆ IN_A_LIST_MSG

#define IN_A_LIST_MSG "Pair %pV is already in a list, and cannot be moved"

Definition at line 529 of file pair.c.

◆ NOT_IN_THIS_LIST_MSG

#define NOT_IN_THIS_LIST_MSG "Pair %pV is not in the given list"

Definition at line 530 of file pair.c.

Function Documentation

◆ _fr_pair_dcursor_by_ancestor_init()

fr_pair_t* _fr_pair_dcursor_by_ancestor_init	(	fr_dcursor_t *	cursor,
		fr_pair_list_t const *	list,
		fr_dict_attr_t const *	da,
		bool	is_const
	)

Initialise a cursor that will return only attributes descended from the specified fr_dict_attr_t.

Parameters

[in]	cursor	to initialise.
[in]	list	to iterate over.
[in]	da	who's decentness to search for.
[in]	is_const	whether the fr_pair_list_t is const.

Returns

The first matching pair.
NULL if no pairs match.

Definition at line 1157 of file pair.c.

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◆ _fr_pair_dcursor_by_da_init()

fr_pair_t* _fr_pair_dcursor_by_da_init	(	fr_dcursor_t *	cursor,
		fr_pair_list_t const *	list,
		fr_dict_attr_t const *	da,
		bool	is_const
	)

Initialise a cursor that will return only attributes matching the specified fr_dict_attr_t.

Parameters

[in]	cursor	to initialise.
[in]	list	to iterate over.
[in]	da	to search for.
[in]	is_const	whether the fr_pair_list_t is const.

Returns

The first matching pair.
NULL if no pairs match.

Definition at line 1138 of file pair.c.

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◆ _fr_pair_dcursor_init()

fr_pair_t* _fr_pair_dcursor_init	(	fr_dcursor_t *	cursor,
		fr_pair_list_t const *	list,
		bool	is_const
	)

Initialises a special dcursor with callbacks that will maintain the attr sublists correctly.

Filters can be applied later with fr_dcursor_filter_set.

Note: This is the only way to use a dcursor in non-const mode with fr_pair_list_t.

Parameters

[out]	cursor	to initialise.
[in]	list	to iterate over.
[in]	is_const	whether the fr_pair_list_t is const.

Returns

NULL if src does not point to any items.
The first pair in the list.

Definition at line 1120 of file pair.c.

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◆ _fr_pair_dcursor_iter_init()

fr_pair_t* _fr_pair_dcursor_iter_init	(	fr_dcursor_t *	cursor,
		fr_pair_list_t const *	list,
		fr_dcursor_iter_t	iter,
		void const *	uctx,
		bool	is_const
	)

Initialises a special dcursor with callbacks that will maintain the attr sublists correctly.

Filters can be applied later with fr_dcursor_filter_set.

Note: This is the only way to use a dcursor in non-const mode with fr_pair_list_t.

Parameters

[out]	cursor	to initialise.
[in]	list	to iterate over.
[in]	iter	Iterator to use when filtering pairs.
[in]	uctx	To pass to iterator.
[in]	is_const	whether the fr_pair_list_t is const.

Returns

NULL if src does not point to any items.
The first pair in the list.

Definition at line 1098 of file pair.c.

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◆ _fr_pair_free()

static int _fr_pair_free ( fr_pair_t * vp )

static

Free a fr_pair_t.

Note: Do not call directly, use talloc_free instead.

Parameters

vp to free.

Returns: 0

Definition at line 69 of file pair.c.

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◆ _fr_pair_iter_next_dcursor_value()

static void* _fr_pair_iter_next_dcursor_value	(	UNUSED fr_dlist_head_t *	list,
		void *	current,
		void *	uctx
	)

static

Iterate over pairs.

Parameters

[in]	list	to iterate over.
[in]	current	The fr_value_box_t cursor->current. Will be advanced and checked to see if it matches the specified fr_dict_attr_t.
[in]	uctx	The parent dcursor

Returns

Next matching fr_pair_t.
NULL if not more matching fr_pair_ts could be found.

Definition at line 1259 of file pair.c.

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◆ _fr_pair_iter_next_value()

static void* _fr_pair_iter_next_value	(	fr_dlist_head_t *	list,
		void *	current,
		UNUSED void *	uctx
	)

static

Iterate over pairs.

Parameters

[in]	list	to iterate over.
[in]	current	The fr_value_box_t cursor->current. Will be advanced and checked to see if it matches the specified fr_dict_attr_t.
[in]	uctx	unused

Returns

Next matching fr_pair_t.
NULL if not more matching fr_pair_ts could be found.

Definition at line 1195 of file pair.c.

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◆ _pair_list_dcursor_insert()

static int _pair_list_dcursor_insert	(	fr_dlist_head_t *	list,
		void *	to_insert,
		UNUSED void *	uctx
	)

static

Keep attr tree and sublists synced on cursor insert.

Parameters

[in]	list	Underlying order list from the fr_pair_list_t.
[in]	to_insert	fr_pair_t being inserted.
[in]	uctx	fr_pair_list_t containing the order list.

Returns

0 on success.

Definition at line 968 of file pair.c.

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◆ _pair_list_dcursor_remove()

static int _pair_list_dcursor_remove	(	NDEBUG_UNUSED fr_dlist_head_t *	list,
		void *	to_remove,
		UNUSED void *	uctx
	)

static

Keep attr tree and sublists synced on cursor removal.

Parameters

[in]	list	Underlying order list from the fr_pair_list_t.
[in]	to_remove	fr_pair_t being removed.
[in]	uctx	fr_pair_list_t containing the order list.

Returns

0 on success.

Definition at line 993 of file pair.c.

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◆ fprintf_pair_list()

static void fprintf_pair_list	(	FILE *	fp,
		fr_pair_list_t const *	list,
		int	depth
	)

static

Definition at line 3601 of file pair.c.

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◆ fr_fprintf_pair()

void fr_fprintf_pair	(	FILE *	fp,
		char const *	msg,
		fr_pair_t const *	vp
	)

Definition at line 3625 of file pair.c.

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◆ fr_fprintf_pair_list()

void fr_fprintf_pair_list	(	FILE *	fp,
		fr_pair_list_t const *	list
	)

Definition at line 3617 of file pair.c.

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◆ fr_pair_afrom_child_num()

fr_pair_t* fr_pair_afrom_child_num	(	TALLOC_CTX *	ctx,
		fr_dict_attr_t const *	parent,
		unsigned int	attr
	)

Create a new valuepair.

If attr and vendor match a dictionary entry then a VP with that fr_dict_attr_t will be returned.

If attr or vendor are unknown will call dict_attruknown to create a dynamic fr_dict_attr_t of FR_TYPE_OCTETS.

Which type of fr_dict_attr_t the fr_pair_t was created with can be determined by checking

vp->da->flags.is_unknown

.

Parameters

[in]	ctx	for allocated memory, usually a pointer to a fr_packet_t.
[in]	parent	of the attribute being allocated (usually a dictionary or vendor).
[in]	attr	number.

Returns

A new fr_pair_t.
NULL on error.

Definition at line 366 of file pair.c.

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◆ fr_pair_afrom_da()

fr_pair_t* fr_pair_afrom_da	(	TALLOC_CTX *	ctx,
		fr_dict_attr_t const *	da
	)

Dynamically allocate a new attribute and assign a fr_dict_attr_t.

Note: Will duplicate any unknown attributes passed as the da.

Parameters

[in]	ctx	for allocated memory, usually a pointer to a fr_packet_t
[in]	da	Specifies the dictionary attribute to build the fr_pair_t from. If unknown, will be duplicated, with the memory being bound to the pair.

Returns

A new fr_pair_t.
NULL if an error occurred.

Definition at line 278 of file pair.c.

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◆ fr_pair_afrom_da_depth_nested()

fr_pair_t* fr_pair_afrom_da_depth_nested	(	TALLOC_CTX *	ctx,
		fr_pair_list_t *	list,
		fr_dict_attr_t const *	da,
		int	start
	)

Create a pair (and all intermediate parents), and append it to the list.

Unlike fr_pair_afrom_da_nested(), this function starts off at an intermediate ctx and list.

Parameters

[in]	ctx	for allocated memory, usually a pointer to a fr_packet_t.
[out]	list	where the created pair is supposed to go.
[in]	da	the da for the pair to create
[in]	start	the starting depth. If start != 0, we must have ctx==vp at that depth, and list==&vp->vp_group

Returns

A new fr_pair_t.
NULL on error.

Definition at line 403 of file pair.c.

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◆ fr_pair_afrom_da_nested()

fr_pair_t* fr_pair_afrom_da_nested	(	TALLOC_CTX *	ctx,
		fr_pair_list_t *	list,
		fr_dict_attr_t const *	da
	)

Create a pair (and all intermediate parents), and append it to the list.

If the relevant leaf pair already exists, then a new one is created.

This function is similar to fr_pair_update_by_da_parent(), except that function requires a parent pair, and this one takes a separate talloc ctx and pair list.

Parameters

[in]	ctx	for allocated memory, usually a pointer to a fr_packet_t.
[out]	list	where the created pair is supposed to go.
[in]	da	the da for the pair to create

Returns

A new fr_pair_t.
NULL on error.

Definition at line 462 of file pair.c.

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◆ fr_pair_alloc_null()

fr_pair_t* fr_pair_alloc_null ( TALLOC_CTX * ctx )

Dynamically allocate a new attribute with no fr_dict_attr_t assigned.

This is not the function you're looking for (unless you're binding unknown attributes to pairs, and need to pre-allocate the memory). You probably want fr_pair_afrom_da instead.

Note: You must assign a fr_dict_attr_t before freeing this fr_pair_t.

Parameters

[in] ctx to allocate the pair list in.

Returns

A new fr_pair_t.
NULL if an error occurred.

Definition at line 167 of file pair.c.

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◆ fr_pair_append()

int fr_pair_append	(	fr_pair_list_t *	list,
		fr_pair_t *	to_add
	)

Add a VP to the end of the list.

Links an additional VP 'to_add' at the end of a list.

Parameters

[in]	list	VP in linked list. Will add new VP to this list.
[in]	to_add	VP to add to list.

Returns

0 on success.
-1 on failure (pair already in list).

Definition at line 1340 of file pair.c.

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◆ fr_pair_append_by_da()

int fr_pair_append_by_da	(	TALLOC_CTX *	ctx,
		fr_pair_t **	out,
		fr_pair_list_t *	list,
		fr_dict_attr_t const *	da
	)

Alloc a new fr_pair_t (and append)

Parameters

[in]	ctx	to allocate new fr_pair_t in.
[out]	out	Pair we allocated. May be NULL if the caller doesn't care about manipulating the fr_pair_t.
[in,out]	list	in search and insert into.
[in]	da	of attribute to update.

Returns

0 on success.
-1 on failure.

Definition at line 1461 of file pair.c.

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◆ fr_pair_append_by_da_parent()

int fr_pair_append_by_da_parent	(	TALLOC_CTX *	ctx,
		fr_pair_t **	out,
		fr_pair_list_t *	list,
		fr_dict_attr_t const *	da
	)

Alloc a new fr_pair_t, adding the parent attributes if required.

A child pair will be added to the first available matching parent found.

Parameters

[in]	ctx	to allocate new fr_pair_t in
[out]	out	Pair we allocated. May be NULL if the caller doesn't care about manipulating the fr_pair_t.
[in]	list	in which to insert the pair.
[in]	da	of the attribute to create.

Returns

0 on success.
-1 on failure.

Definition at line 1518 of file pair.c.

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◆ fr_pair_children()

fr_pair_list_t* fr_pair_children ( fr_pair_t * vp )

Get the child list of a group.

Parameters

[in] vp which MUST be of a type that can contain children.

Returns

NULL on error
pointer to head of the child list.

Definition at line 912 of file pair.c.

◆ fr_pair_cmp()

int fr_pair_cmp	(	fr_pair_t const *	a,
		fr_pair_t const *	b
	)

Compare two pairs, using the operator from "a".

i.e. given two attributes, it does:

(b->data) (a->operator) (a->data)

e.g. "foo" != "bar"

Parameters

[in]	a	the head attribute
[in]	b	the second attribute

Returns

1 if true.
0 if false.
-1 on failure.

Definition at line 1966 of file pair.c.

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◆ fr_pair_cmp_by_da()

int8_t fr_pair_cmp_by_da	(	void const *	a,
		void const *	b
	)

Order attributes by their da, and tag.

Useful where attributes need to be aggregated, but not necessarily ordered by attribute number.

Parameters

[in]	a	first dict_attr_t.
[in]	b	second dict_attr_t.

Returns

+1 if a > b
0 if a == b
-1 if a < b

Definition at line 1841 of file pair.c.

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◆ fr_pair_cmp_by_parent_num()

int8_t fr_pair_cmp_by_parent_num	(	void const *	a,
		void const *	b
	)

Order attributes by their parent(s), attribute number, and tag.

Useful for some protocols where attributes of the same number should by aggregated within a packet or container TLV.

Parameters

[in]	a	first dict_attr_t.
[in]	b	second dict_attr_t.

Returns

+1 if a > b
0 if a == b
-1 if a < b

Definition at line 1918 of file pair.c.

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◆ fr_pair_copy()

fr_pair_t* fr_pair_copy	(	TALLOC_CTX *	ctx,
		fr_pair_t const *	vp
	)

Copy a single valuepair.

Allocate a new valuepair and copy the da from the old vp.

Parameters

[in]	ctx	for talloc
[in]	vp	to copy.

Returns

A copy of the input VP.
NULL on error.

Definition at line 484 of file pair.c.

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◆ fr_pair_count_by_da()

unsigned int fr_pair_count_by_da	(	fr_pair_list_t const *	list,
		fr_dict_attr_t const *	da
	)

Return the number of instances of a given da in the specified list.

Parameters

[in]	list	to search in.
[in]	da	to look for in the list.

Returns

0 if no instances exist.
>0 the number of instance of a given attribute.

Definition at line 665 of file pair.c.

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◆ fr_pair_dcursor_nested_init()

fr_value_box_t* fr_pair_dcursor_nested_init	(	fr_dcursor_t *	cursor,
		fr_dcursor_t *	parent
	)

Initialises a special dcursor over another cursor which returns fr_pair_t, but we return fr_value_box_t.

Filters can be applied later with fr_dcursor_filter_set.

Note: - the list cannot be modified, and structural attributes are not returned.

Parameters

[out]	cursor	to initialise.
[in]	parent	to iterate over

Returns

NULL if src does not point to any items.
The first pair in the list.

Definition at line 1293 of file pair.c.

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◆ fr_pair_dcursor_value_init()

fr_value_box_t* fr_pair_dcursor_value_init ( fr_dcursor_t * cursor )

Initialises a special dcursor over a fr_pair_list_t, but which returns fr_value_box_t.

Filters can be applied later with fr_dcursor_filter_set.

Note: This is the only way to use a dcursor in non-const mode with fr_pair_list_t.; - the list cannot be modified, and structural attributes are not returned.

Parameters

[out] cursor to initialise.

Returns

NULL if src does not point to any items.
The first pair in the list.

Definition at line 1243 of file pair.c.

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◆ fr_pair_delete()

fr_pair_t* fr_pair_delete	(	fr_pair_list_t *	list,
		fr_pair_t *	vp
	)

Remove fr_pair_t from a list and free.

Parameters

[in]	list	of value pairs to remove VP from.
[in]	vp	to remove

Returns: previous item in the list to the one being removed.

Definition at line 1819 of file pair.c.

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◆ fr_pair_delete_by_child_num()

int fr_pair_delete_by_child_num	(	fr_pair_list_t *	list,
		fr_dict_attr_t const *	parent,
		unsigned int	attr
	)

Delete matching pairs from the specified list.

Parameters

[in]	list	to delete attributes from.
[in]	parent	to match.
[in]	attr	to match.

Returns

>0 the number of pairs deleted.
0 if no pairs were delete.
-1 if we couldn't resolve the attribute number.

Definition at line 1803 of file pair.c.

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◆ fr_pair_delete_by_da()

int fr_pair_delete_by_da	(	fr_pair_list_t *	list,
		fr_dict_attr_t const *	da
	)

Delete matching pairs from the specified list.

Parameters

[in,out]	list	to search for attributes in or delete attributes from.
[in]	da	to match.

Returns

>0 the number of pairs deleted.
0 if no pairs were deleted.

Definition at line 1684 of file pair.c.

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◆ fr_pair_delete_by_da_nested()

int fr_pair_delete_by_da_nested	(	fr_pair_list_t *	list,
		fr_dict_attr_t const *	da
	)

Delete matching pairs from the specified list, and prune any empty branches.

Parameters

[in,out]	list	to search for attributes in or delete attributes from.
[in]	da	to match.

Returns

>0 the number of pairs deleted.
0 if no pairs were deleted.

Definition at line 1708 of file pair.c.

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◆ fr_pair_find_by_child_num()

fr_pair_t* fr_pair_find_by_child_num	(	fr_pair_list_t const *	list,
		fr_pair_t const *	prev,
		fr_dict_attr_t const *	parent,
		unsigned int	attr
	)

Find the pair with the matching child attribute.

Parameters

[in]	list	in which to search.
[in]	prev	attribute to start search from.
[in]	parent	attribute in which to lookup child.
[in]	attr	id of child.

Returns

first matching value pair.
NULL if no pair found.

Definition at line 862 of file pair.c.

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◆ fr_pair_find_by_child_num_idx()

fr_pair_t* fr_pair_find_by_child_num_idx	(	fr_pair_list_t const *	list,
		fr_dict_attr_t const *	parent,
		unsigned int	attr,
		unsigned int	idx
	)

Find the pair with the matching child attribute at a given index.

Parameters

[in]	list	in which to search.
[in]	parent	attribute in which to lookup child.
[in]	attr	id of child.
[in]	idx	Instance of the attribute to return.

Returns

first matching value pair.
NULL if no pair found.

Definition at line 888 of file pair.c.

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◆ fr_pair_find_by_da()

fr_pair_t* fr_pair_find_by_da	(	fr_pair_list_t const *	list,
		fr_pair_t const *	prev,
		fr_dict_attr_t const *	da
	)

Find the first pair with a matching da.

Parameters

[in]	list	to search in.
[in]	prev	the previous attribute in the list.
[in]	da	the next da to find.

Returns

first matching fr_pair_t.
NULL if no fr_pair_ts match.

Definition at line 688 of file pair.c.

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◆ fr_pair_find_by_da_idx()

fr_pair_t* fr_pair_find_by_da_idx	(	fr_pair_list_t const *	list,
		fr_dict_attr_t const *	da,
		unsigned int	idx
	)

Find a pair with a matching da at a given index.

Parameters

[in]	list	to search in.
[in]	da	to look for in the list.
[in]	idx	Instance of the attribute to return.

Returns

first matching fr_pair_t.
NULL if no fr_pair_ts match.

Definition at line 736 of file pair.c.

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◆ fr_pair_find_by_da_nested()

fr_pair_t* fr_pair_find_by_da_nested	(	fr_pair_list_t const *	list,
		fr_pair_t const *	prev,
		fr_dict_attr_t const *	da
	)

Find a pair with a matching fr_dict_attr_t, by walking the nested fr_dict_attr_t tree.

The list should be the one containing the top level attributes.

Parameters

[in]	list	to search in.
[in]	prev	pair to start searching from.
[in]	da	the next da to find.

Returns

first matching fr_pair_t.
NULL if no fr_pair_ts match.

Definition at line 765 of file pair.c.

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◆ fr_pair_find_last_by_da()

fr_pair_t* fr_pair_find_last_by_da	(	fr_pair_list_t const *	list,
		fr_pair_t const *	prev,
		fr_dict_attr_t const *	da
	)

Find the last pair with a matching da.

Parameters

[in]	list	to search in.
[in]	prev	the previous attribute in the list.
[in]	da	the previous da to find.

Returns

first matching fr_pair_t.
NULL if no fr_pair_ts match.

Definition at line 712 of file pair.c.

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◆ fr_pair_immutable()

bool fr_pair_immutable ( fr_pair_t const * vp )

Parameters

[in] vp the pair to check

Returns

true the pair is immutable, or has an immutable child
false the pair is not immutable, or has no immutable children.

Definition at line 2277 of file pair.c.

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◆ fr_pair_init_null()

void fr_pair_init_null ( fr_pair_t * vp )

Initialise fields in an fr_pair_t without assigning a da.

Used only for temporary value-pairs which are not placed in any list.

Definition at line 147 of file pair.c.

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◆ fr_pair_insert_after()

int fr_pair_insert_after	(	fr_pair_list_t *	list,
		fr_pair_t *	pos,
		fr_pair_t *	to_add
	)

Add a VP after another VP.

Parameters

[in]	list	VP in linked list. Will add new VP to this list.
[in]	pos	to insert pair after.
[in]	to_add	VP to add to list.

Returns

0 on success.
-1 on failure (pair already in list).

Definition at line 1368 of file pair.c.

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◆ fr_pair_insert_before()

int fr_pair_insert_before	(	fr_pair_list_t *	list,
		fr_pair_t *	pos,
		fr_pair_t *	to_add
	)

Add a VP before another VP.

Parameters

[in]	list	VP in linked list. Will add new VP to this list.
[in]	pos	to insert pair after.
[in]	to_add	VP to add to list.

Returns

0 on success.
-1 on failure (pair already in list).

Definition at line 1401 of file pair.c.

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◆ fr_pair_iter_next_by_ancestor()

static void* fr_pair_iter_next_by_ancestor	(	fr_dlist_head_t *	list,
		void *	current,
		void *	uctx
	)

static

Iterate over pairs which are decedents of the specified da.

Parameters

[in]	list	to iterate over.
[in]	current	The fr_pair_t cursor->current. Will be advanced and checked to see if it matches the specified fr_dict_attr_t.
[in]	uctx	The fr_dict_attr_t to search for.

Returns

Next matching fr_pair_t.
NULL if not more matching fr_pair_ts could be found.

Definition at line 644 of file pair.c.

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◆ fr_pair_iter_next_by_da()

static void* fr_pair_iter_next_by_da	(	fr_dlist_head_t *	list,
		void *	current,
		void *	uctx
	)

static

Iterate over pairs with a specified da.

Parameters

[in]	list	to iterate over.
[in]	current	The fr_pair_t cursor->current. Will be advanced and checked to see if it matches the specified fr_dict_attr_t.
[in]	uctx	The fr_dict_attr_t to search for.

Returns

Next matching fr_pair_t.
NULL if not more matching fr_pair_ts could be found.

Definition at line 621 of file pair.c.

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◆ fr_pair_list_afrom_box()

void fr_pair_list_afrom_box	(	TALLOC_CTX *	ctx,
		fr_pair_list_t *	out,
		fr_dict_t const *	dict,
		fr_value_box_t *	box
	)

Parse a list of VPs from a value box.

Parameters

[in]	ctx	to allocate new VPs in
[out]	out	list to add new pairs to
[in]	dict	to use in parsing
[in]	box	whose value is to be parsed

Definition at line 3579 of file pair.c.

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◆ fr_pair_list_alloc()

fr_pair_list_t* fr_pair_list_alloc ( TALLOC_CTX * ctx )

Allocate a new pair list on the heap.

Parameters

[in] ctx to allocate the pair list in.

Returns

A new fr_pair_list_t.
NULL if an error occurred.

Definition at line 117 of file pair.c.

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◆ fr_pair_list_cmp()

int fr_pair_list_cmp	(	fr_pair_list_t const *	a,
		fr_pair_list_t const *	b
	)

Determine equality of two lists.

This is useful for comparing lists of attributes inserted into a binary tree.

Parameters

a	head list of fr_pair_t.
b	second list of fr_pair_t.

Returns

-1 if a < b.
0 if the two lists are equal.
1 if a > b.
-2 on error.

Definition at line 2044 of file pair.c.

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◆ fr_pair_list_copy()

int fr_pair_list_copy	(	TALLOC_CTX *	ctx,
		fr_pair_list_t *	to,
		fr_pair_list_t const *	from
	)

Duplicate a list of pairs.

Copy all pairs from 'from' regardless of tag, attribute or vendor.

Parameters

[in]	ctx	for new fr_pair_t (s) to be allocated in.
[in]	to	where to copy attributes to.
[in]	from	whence to copy fr_pair_t (s).

Returns

>0 the number of attributes copied.
0 if no attributes copied.
-1 on error.

Definition at line 2316 of file pair.c.

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◆ fr_pair_list_copy_by_ancestor()

int fr_pair_list_copy_by_ancestor	(	TALLOC_CTX *	ctx,
		fr_pair_list_t *	to,
		fr_pair_list_t const *	from,
		fr_dict_attr_t const *	parent_da
	)

Duplicate pairs in a list where the da is a descendant of parent_da.

Copy all pairs from 'from' which are descendants of the specified 'parent_da'. This is particularly useful for copying attributes of a particular vendor, where the vendor da is passed as parent_da.

Parameters

[in]	ctx	for new fr_pair_t (s) to be allocated in.
[in]	to	where to copy attributes to.
[in]	from	whence to copy fr_pair_t (s).
[in]	parent_da	to match.

Returns

>0 one or more attributes were copied
0 if no attributes copied.
-1 on error.

Definition at line 2452 of file pair.c.

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◆ fr_pair_list_copy_by_da()

int fr_pair_list_copy_by_da	(	TALLOC_CTX *	ctx,
		fr_pair_list_t *	to,
		fr_pair_list_t const *	from,
		fr_dict_attr_t const *	da,
		unsigned int	count
	)

Duplicate pairs in a list matching the specified da.

Copy all pairs from 'from' matching the specified da.

Parameters

[in]	ctx	for new fr_pair_t (s) to be allocated in.
[in]	to	where to copy attributes to.
[in]	from	whence to copy fr_pair_t (s).
[in]	da	to match.
[in]	count	How many instances to copy. Use 0 for all attributes.

Returns

>0 the number of attributes copied.
0 if no attributes copied.
-1 on error.

Definition at line 2403 of file pair.c.

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◆ fr_pair_list_copy_to_box()

int fr_pair_list_copy_to_box	(	fr_value_box_t *	dst,
		fr_pair_list_t *	from
	)

Copy the contents of a pair list to a set of value-boxes.

This function should be removed when the xlats use dcursors of copying all of the boxes.

Parameters

[in]	dst	where boxes will be created
[in]	from	whence to copy fr_pair_t (s).

Returns

>0 the number of boxes copied.
0 if no boxes copied.
-1 on error.

Definition at line 2351 of file pair.c.

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◆ fr_pair_list_init()

void fr_pair_list_init ( fr_pair_list_t * list )

Initialise a pair list header.

Parameters

[in,out] list to initialise

Definition at line 46 of file pair.c.

◆ fr_pair_list_iter_leaf()

fr_pair_t* fr_pair_list_iter_leaf	(	fr_pair_list_t *	list,
		fr_pair_t *	vp
	)

Iterates over the leaves of a list.

Parameters

[in]	list	to iterate over.
[in]	vp	the current CVP

Returns

NULL when done
vp - a leaf pair

Definition at line 1033 of file pair.c.

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◆ fr_pair_list_parent()

fr_pair_t* fr_pair_list_parent ( fr_pair_list_t const * list )

Return a pointer to the parent pair which contains this list.

Definition at line 951 of file pair.c.

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◆ fr_pair_list_steal()

void fr_pair_list_steal	(	TALLOC_CTX *	ctx,
		fr_pair_list_t *	list
	)

Steal a list of pairs to a new context.

Definition at line 2297 of file pair.c.

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◆ fr_pair_list_tainted()

void fr_pair_list_tainted ( fr_pair_list_t * list )

Mark up a list of VPs as tainted.

Definition at line 3454 of file pair.c.

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◆ fr_pair_matches_da()

bool fr_pair_matches_da	(	void const *	item,
		void const *	uctx
	)

Evaluation function for matching if vp matches a given da.

Can be used as a filter function for fr_dcursor_filter_next()

Parameters

item	pointer to a fr_pair_t
uctx	da to match

Returns: true if the pair matches the da

Definition at line 3483 of file pair.c.

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◆ fr_pair_parent()

fr_pair_t* fr_pair_parent ( fr_pair_t const * vp )

Return a pointer to the parent pair.

Definition at line 937 of file pair.c.

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◆ fr_pair_parent_list()

fr_pair_list_t* fr_pair_parent_list ( fr_pair_t const * vp )

Return a pointer to the parent pair list.

Definition at line 922 of file pair.c.

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◆ fr_pair_prepend()

int fr_pair_prepend	(	fr_pair_list_t *	list,
		fr_pair_t *	to_add
	)

Add a VP to the start of the list.

Links an additional VP 'add' at the beginning a list.

Parameters

[in]	list	VP in linked list. Will add new VP to this list.
[in]	to_add	VP to add to list.

Returns

0 on success.
-1 on failure (pair already in list).

Definition at line 1309 of file pair.c.

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◆ fr_pair_prepend_by_da()

int fr_pair_prepend_by_da	(	TALLOC_CTX *	ctx,
		fr_pair_t **	out,
		fr_pair_list_t *	list,
		fr_dict_attr_t const *	da
	)

Alloc a new fr_pair_t (and prepend)

Parameters

[in]	ctx	to allocate new fr_pair_t in.
[out]	out	Pair we allocated. May be NULL if the caller doesn't care about manipulating the fr_pair_t.
[in,out]	list	in search and insert into.
[in]	da	of attribute to update.

Returns

0 on success.
-1 on failure.

Definition at line 1488 of file pair.c.

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◆ fr_pair_raw_afrom_pair()

int fr_pair_raw_afrom_pair	(	fr_pair_t *	vp,
		uint8_t const *	data,
		size_t	data_len
	)

Mark malformed attribute as raw.

Parameters

[in]	vp	to mark as raw.
[in]	data	to parse.
[in]	data_len	of data to parse.

Returns

0 on success
-1 on failure.

Definition at line 588 of file pair.c.

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◆ fr_pair_reinit_from_da()

int fr_pair_reinit_from_da	(	fr_pair_list_t *	list,
		fr_pair_t *	vp,
		fr_dict_attr_t const *	da
	)

Re-initialise an attribute with a different da.

If the new da has a different type to the old da, we'll attempt to cast the current value in place.

Definition at line 309 of file pair.c.

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◆ fr_pair_replace()

void fr_pair_replace	(	fr_pair_list_t *	list,
		fr_pair_t *	to_replace,
		fr_pair_t *	vp
	)

Replace a given VP.

Note: Memory used by the VP being replaced will be freed.

Parameters

[in,out]	list	pair list
[in]	to_replace	pair to replace and free, on list
[in]	vp	New pair to insert.

Definition at line 1434 of file pair.c.

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◆ fr_pair_root_afrom_da()

fr_pair_t* fr_pair_root_afrom_da	(	TALLOC_CTX *	ctx,
		fr_dict_attr_t const *	da
	)

A special allocation function which disables child autofree.

This is intended to allocate root attributes for requests. These roots are special in that they do not necessarily own the child attributes and MUST NOT free them when they themselves are freed. The children are allocated in special ctxs which may be moved between session state entries and requests, or may belong to a parent request.

Parameters

[in]	ctx	to allocate the pair root in.
[in]	da	The root attribute.

Returns

A new root pair on success.
NULL on failure.

Definition at line 238 of file pair.c.

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◆ fr_pair_steal()

int fr_pair_steal	(	TALLOC_CTX *	ctx,
		fr_pair_t *	vp
	)

Steal one VP.

Parameters

[in]	ctx	to move fr_pair_t into
[in]	vp	fr_pair_t to move into the new context.

Definition at line 516 of file pair.c.

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◆ fr_pair_steal_append()

int fr_pair_steal_append	(	TALLOC_CTX *	list_ctx,
		fr_pair_list_t *	list,
		fr_pair_t *	vp
	)

Change a vp's talloc ctx and insert it into a new list.

Parameters

[in]	list_ctx	to move vp into.
[out]	list	to add vp to.
[in]	vp	to move.

Returns

0 on success.
-1 on failure (already in list).

Definition at line 541 of file pair.c.

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◆ fr_pair_steal_prepend()

int fr_pair_steal_prepend	(	TALLOC_CTX *	list_ctx,
		fr_pair_list_t *	list,
		fr_pair_t *	vp
	)

Change a vp's talloc ctx and insert it into a new list.

Parameters

[in]	list_ctx	to move vp into.
[out]	list	to add vp to.
[in]	vp	to move.

Returns

0 on success.
-1 on failure (already in list).

Definition at line 564 of file pair.c.

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◆ fr_pair_sublist_copy()

int fr_pair_sublist_copy	(	TALLOC_CTX *	ctx,
		fr_pair_list_t *	to,
		fr_pair_list_t const *	from,
		fr_pair_t const *	start,
		unsigned int	count
	)

Duplicate a list of pairs starting at a particular item.

Copy all pairs from 'from' regardless of tag, attribute or vendor, starting at 'item'.

Parameters

[in]	ctx	for new fr_pair_t (s) to be allocated in.
[in]	to	where to copy attributes to.
[in]	from	whence to copy fr_pair_t (s).
[in]	start	first pair to start copying from.
[in]	count	How many instances to copy. Use 0 for all attributes.

Returns

>0 the number of attributes copied.
0 if no attributes copied.
-1 on error.

Definition at line 2505 of file pair.c.

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◆ fr_pair_update_by_da_parent()

int fr_pair_update_by_da_parent	(	fr_pair_t *	parent,
		fr_pair_t **	out,
		fr_dict_attr_t const *	da
	)

Return the first fr_pair_t matching the fr_dict_attr_t or alloc a new fr_pair_t and its subtree (and append)

Parameters

[in]	parent	If parent->da is an ancestor of the specified da, we continue building out the nested structure from the parent. If parent is NOT an ancestor, then it must be a group attribute, and we will append the shallowest member of the struct or TLV as a child, and build out everything to the specified da.
[out]	out	Pair we allocated or found. May be NULL if the caller doesn't care about manipulating the fr_pair_t.
[in]	da	of attribute to locate or alloc.

Returns

1 if attribute already existed.
0 if we allocated a new attribute.
-1 on memory allocation failure.
-2 if the parent is not a group attribute.

Definition at line 1591 of file pair.c.

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◆ fr_pair_validate()

bool fr_pair_validate	(	fr_pair_t const *	failed[2],
		fr_pair_list_t *	filter,
		fr_pair_list_t *	list
	)

Uses fr_pair_cmp to verify all fr_pair_ts in list match the filter defined by check.

Note: will sort both filter and list in place.

Parameters

failed	pointer to an array to write the pointers of the filter/list attributes that didn't match. May be NULL.
filter	attributes to check list against.
list	attributes, probably a request or reply

Definition at line 2125 of file pair.c.

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◆ fr_pair_validate_debug()

void fr_pair_validate_debug ( fr_pair_t const * failed[2] )

Write an error to the library errorbuff detailing the mismatch.

Retrieve output with fr_strerror();

Todo:: add thread specific talloc contexts.

Parameters

failed pair of attributes which didn't match.

Definition at line 2090 of file pair.c.

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◆ fr_pair_validate_relaxed()

bool fr_pair_validate_relaxed	(	fr_pair_t const *	failed[2],
		fr_pair_list_t *	filter,
		fr_pair_list_t *	list
	)

Uses fr_pair_cmp to verify all fr_pair_ts in list match the filter defined by check.

Note: will sort both filter and list in place.

Parameters

failed	pointer to an array to write the pointers of the filter/list attributes that didn't match. May be NULL.
filter	attributes to check list against.
list	attributes, probably a request or reply

Definition at line 2202 of file pair.c.

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◆ fr_pair_value_aprintf()

int fr_pair_value_aprintf	(	fr_pair_t *	vp,
		char const *	fmt,
			...
	)

Print data into an "string" data type.

Note: vp->da must be of type FR_TYPE_STRING.

Parameters

[in,out]	vp	to update
[in]	fmt	the format string

Definition at line 2695 of file pair.c.

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◆ fr_pair_value_bstr_alloc()

int fr_pair_value_bstr_alloc	(	fr_pair_t *	vp,
		char **	out,
		size_t	size,
		bool	tainted
	)

Pre-allocate a memory buffer for a "string" type value pair.

Note: Will clear existing values (including buffers).

Parameters

[in,out]	vp	to update
[out]	out	If non-null will be filled with a pointer to the new buffer.
[in]	size	of the data.
[in]	tainted	Whether the value came from a trusted source.

Returns

0 on success.
-1 on failure.

Definition at line 2727 of file pair.c.

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◆ fr_pair_value_bstr_append_buffer()

int fr_pair_value_bstr_append_buffer	(	fr_pair_t *	vp,
		char const *	src,
		bool	tainted
	)

Append a talloced buffer to an existing "string" type value pair.

Parameters

[in,out]	vp	to update.
[in]	src	a talloced nul terminated buffer.
[in]	tainted	Whether the value came from a trusted source.

Returns

0 on success.
- -1 on failure.

Definition at line 2900 of file pair.c.

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◆ fr_pair_value_bstr_realloc()

int fr_pair_value_bstr_realloc	(	fr_pair_t *	vp,
		char **	out,
		size_t	size
	)

Change the length of a buffer for a "string" type value pair.

Parameters

[in,out]	vp	to update
[out]	out	If non-null will be filled with a pointer to the new buffer.
[in]	size	of the data.

Returns

0 on success.
-1 on failure.

Definition at line 2752 of file pair.c.

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◆ fr_pair_value_bstrdup_buffer()

int fr_pair_value_bstrdup_buffer	(	fr_pair_t *	vp,
		char const *	src,
		bool	tainted
	)

Copy a nul terminated talloced buffer a "string" type value pair.

The buffer must be \0 terminated, or an error will be returned.

Parameters

[in,out]	vp	to update.
[in]	src	a talloced nul terminated buffer.
[in]	tainted	Whether the value came from a trusted source.

Returns

0 on success.
-1 on failure.

Definition at line 2807 of file pair.c.

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◆ fr_pair_value_bstrdup_buffer_shallow()

int fr_pair_value_bstrdup_buffer_shallow	(	fr_pair_t *	vp,
		char const *	src,
		bool	tainted
	)

Assign a string to a "string" type value pair.

Parameters

[in]	vp	to assign new buffer to.
[in]	src	a string.
[in]	tainted	Whether the value came from a trusted source.

Returns

0 on success.
-1 on failure.

Definition at line 2852 of file pair.c.

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◆ fr_pair_value_bstrn_append()

int fr_pair_value_bstrn_append	(	fr_pair_t *	vp,
		char const *	src,
		size_t	len,
		bool	tainted
	)

Append bytes from a buffer to an existing "string" type value pair.

Parameters

[in,out]	vp	to update.
[in]	src	data to copy.
[in]	len	of data to copy.
[in]	tainted	Whether the value came from a trusted source.

Returns

0 on success.
- -1 on failure.

Definition at line 2877 of file pair.c.

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◆ fr_pair_value_bstrndup()

int fr_pair_value_bstrndup	(	fr_pair_t *	vp,
		char const *	src,
		size_t	len,
		bool	tainted
	)

Copy data into a "string" type value pair.

Note: unlike the original strncpy, this function does not stop if it finds \0 bytes embedded in the string.; vp->da must be of type FR_TYPE_STRING.

Parameters

[in,out]	vp	to update.
[in]	src	data to copy.
[in]	len	of data to copy.
[in]	tainted	Whether the value came from a trusted source.

Returns

0 on success.
-1 on failure.

Definition at line 2781 of file pair.c.

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◆ fr_pair_value_bstrndup_shallow()

int fr_pair_value_bstrndup_shallow	(	fr_pair_t *	vp,
		char const *	src,
		size_t	len,
		bool	tainted
	)

Assign a string to a "string" type value pair.

Parameters

[in]	vp	to assign new buffer to.
[in]	src	a string.
[in]	len	of src.
[in]	tainted	Whether the value came from a trusted source.

Returns

0 on success.
-1 on failure.

Definition at line 2832 of file pair.c.

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◆ fr_pair_value_clear()

void fr_pair_value_clear ( fr_pair_t * vp )

Free/zero out value (or children) of a given VP.

Parameters

[in] vp to clear value from.

Definition at line 2530 of file pair.c.

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◆ fr_pair_value_copy()

int fr_pair_value_copy	(	fr_pair_t *	dst,
		fr_pair_t *	src
	)

Copy the value from one pair to another.

Parameters

[out]	dst	where to copy the value to. will clear assigned value.
[in]	src	where to copy the value from Must have an assigned value.

Returns

0 on success.
-1 on failure.

Definition at line 2560 of file pair.c.

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◆ fr_pair_value_enum()

char const* fr_pair_value_enum	(	fr_pair_t const *	vp,
		char	buff[20]
	)

Return a const buffer for an enum type attribute.

Where the vp type is numeric but does not have any enumv, or its value does not map to an enumv, the integer value of the pair will be printed to buff, and a pointer to buff will be returned.

Parameters

[in]	vp	to print.
[in]	buff	to print integer value to.

Returns: a talloced buffer.

Definition at line 3122 of file pair.c.

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◆ fr_pair_value_enum_box()

int fr_pair_value_enum_box	(	fr_value_box_t const **	out,
		fr_pair_t *	vp
	)

Get value box of a VP, optionally prefer enum value.

Get the data value box of the given VP. If 'e' is set to 1 and the VP has an enum value, this will be returned instead. Otherwise it will be set to the value box of the VP itself.

Parameters

[out]	out	pointer to a value box.
[in]	vp	to print.

Returns: 1 if the enum value has been used, 0 otherwise, -1 on error.

Definition at line 3161 of file pair.c.

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◆ fr_pair_value_from_str()

int fr_pair_value_from_str	(	fr_pair_t *	vp,
		char const *	value,
		size_t	inlen,
		fr_sbuff_unescape_rules_t const *	uerules,
		bool	tainted
	)

Convert string value to native attribute value.

Parameters

[in]	vp	to assign value to.
[in]	value	string to convert. Binary safe for variable length values if len is provided.
[in]	inlen	The length of the input string.
[in]	uerules	used to perform unescaping.
[in]	tainted	Whether the value came from a trusted source.

Returns

0 on success.
-1 on failure.

Definition at line 2586 of file pair.c.

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◆ fr_pair_value_mem_alloc()

int fr_pair_value_mem_alloc	(	fr_pair_t *	vp,
		uint8_t **	out,
		size_t	size,
		bool	tainted
	)

Pre-allocate a memory buffer for a "octets" type value pair.

Note: Will clear existing values (including buffers).

Parameters

[in,out]	vp	to update
[out]	out	If non-null will be filled with a pointer to the new buffer.
[in]	size	of the data.
[in]	tainted	Whether the value came from a trusted source.

Returns

0 on success.
-1 on failure.

Definition at line 2927 of file pair.c.

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◆ fr_pair_value_mem_append()

int fr_pair_value_mem_append	(	fr_pair_t *	vp,
		uint8_t *	src,
		size_t	len,
		bool	tainted
	)

Append bytes from a buffer to an existing "octets" type value pair.

Parameters

[in,out]	vp	to update.
[in]	src	data to copy.
[in]	len	of data to copy.
[in]	tainted	Whether the value came from a trusted source.

Returns

0 on success.
- -1 on failure.

Definition at line 3075 of file pair.c.

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◆ fr_pair_value_mem_append_buffer()

int fr_pair_value_mem_append_buffer	(	fr_pair_t *	vp,
		uint8_t *	src,
		bool	tainted
	)

Append a talloced buffer to an existing "octets" type value pair.

Parameters

[in,out]	vp	to update.
[in]	src	data to copy.
[in]	tainted	Whether the value came from a trusted source.

Returns

0 on success.
- -1 on failure.

Definition at line 3098 of file pair.c.

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◆ fr_pair_value_mem_realloc()

int fr_pair_value_mem_realloc	(	fr_pair_t *	vp,
		uint8_t **	out,
		size_t	size
	)

Change the length of a buffer for a "octets" type value pair.

Parameters

[in,out]	vp	to update
[out]	out	If non-null will be filled with a pointer to the new buffer.
[in]	size	of the data.

Returns

0 on success.
-1 on failure.

Definition at line 2952 of file pair.c.

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◆ fr_pair_value_memdup()

int fr_pair_value_memdup	(	fr_pair_t *	vp,
		uint8_t const *	src,
		size_t	len,
		bool	tainted
	)

Copy data into an "octets" data type.

Note: Will clear existing values (including buffers).

Parameters

[in,out]	vp	to update
[in]	src	data to copy
[in]	len	of the data.
[in]	tainted	Whether the value came from a trusted source.

Returns

0 on success.
-1 on failure.

Definition at line 2978 of file pair.c.

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◆ fr_pair_value_memdup_buffer()

int fr_pair_value_memdup_buffer	(	fr_pair_t *	vp,
		uint8_t const *	src,
		bool	tainted
	)

Copy data from a talloced buffer into an "octets" data type.

Note: Will clear existing values (including buffers).

Parameters

[in,out]	vp	to update
[in]	src	data to copy
[in]	tainted	Whether the value came from a trusted source.

Returns

0 on success.
-1 on failure.

Definition at line 3008 of file pair.c.

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◆ fr_pair_value_memdup_buffer_shallow()

int fr_pair_value_memdup_buffer_shallow	(	fr_pair_t *	vp,
		uint8_t const *	src,
		bool	tainted
	)

Assign a talloced buffer to a "octets" type value pair.

Parameters

[in]	vp	to assign new buffer to.
[in]	src	data to copy.
[in]	tainted	Whether the value came from a trusted source.

Returns

0 on success.
-1 on failure.

Definition at line 3053 of file pair.c.

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◆ fr_pair_value_memdup_shallow()

int fr_pair_value_memdup_shallow	(	fr_pair_t *	vp,
		uint8_t const *	src,
		size_t	len,
		bool	tainted
	)

Assign a buffer to a "octets" type value pair.

Parameters

[in]	vp	to assign new buffer to.
[in]	src	data to copy.
[in]	len	of src.
[in]	tainted	Whether the value came from a trusted source.

Returns

0 on success.
-1 on failure.

Definition at line 3033 of file pair.c.

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◆ fr_pair_value_strdup()

int fr_pair_value_strdup	(	fr_pair_t *	vp,
		char const *	src,
		bool	tainted
	)

Copy data into an "string" data type.

Note: vp->da must be of type FR_TYPE_STRING.

Parameters

[in,out]	vp	to update
[in]	src	data to copy
[in]	tainted	Whether the value came from a trusted source.

Returns

0 on success.
-1 on failure.

Definition at line 2631 of file pair.c.

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◆ fr_pair_value_strdup_shallow()

int fr_pair_value_strdup_shallow	(	fr_pair_t *	vp,
		char const *	src,
		bool	tainted
	)

Assign a buffer containing a nul terminated string to a vp, but don't copy it.

Parameters

[in]	vp	to assign string to.
[in]	src	to copy string from.
[in]	tainted	Whether the value came from a trusted source.

Returns

0 on success.
-1 on failure.

Definition at line 2655 of file pair.c.

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◆ fr_pair_value_strtrim()

int fr_pair_value_strtrim ( fr_pair_t * vp )

Trim the length of the string buffer to match the length of the C string.

Parameters

[in,out] vp to trim.

Returns

0 on success.
-1 on failure.

Definition at line 2674 of file pair.c.

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◆ pair_alloc_parent()

static fr_pair_t* pair_alloc_parent	(	fr_pair_t *	in,
		fr_pair_t *	item,
		fr_dict_attr_t const *	da
	)

static

Find or allocate a parent attribute.

The input da is somewhere down inside of the da hierarchy. We need to recursively find or create parent VPs which match the given da.

We find (or add) the VP into the "in" list. Any newly created VP is inserted before "next". Or if "next==NULL", at the tail of "in".

Parameters

[in]	in	the parent vp to look in
[in]	item	if we create a new vp, insert it before this item
[in]	da	look for vps in the parent which match this da

Returns

NULL on OOM
parent vp we've found or allocated.

Definition at line 3507 of file pair.c.

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◆ pair_cmp_by_num()

static int8_t pair_cmp_by_num	(	void const *	a,
		void const *	b
	)

inlinestatic

Order attributes by their attribute number, and tag.

Parameters

[in]	a	first dict_attr_t.
[in]	b	second dict_attr_t.

Returns

+1 if a > b
0 if a == b
-1 if a < b

Definition at line 1861 of file pair.c.

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◆ pair_init_from_da()

static void pair_init_from_da	(	fr_pair_t *	vp,
		fr_dict_attr_t const *	da
	)

inlinestatic

Continue initialising an fr_pair_t assigning a da.

Note: Internal use by the pair allocation functions only.

Definition at line 187 of file pair.c.

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◆ pair_init_null()

static void pair_init_null ( fr_pair_t * vp )

inlinestatic

Initialise fields in an fr_pair_t without assigning a da.

Note: Internal use by the allocation functions only.

Definition at line 133 of file pair.c.

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Variable Documentation

◆ spaces

const char spaces[] = " "

static

Definition at line 3599 of file pair.c.

◆ value_dlist

fr_dlist_head_t value_dlist

static

Initial value:

= {
        .offset = offsetof(fr_dlist_head_t, entry),
        .type = NULL,
        .num_elements = 0,
        .entry = {
                .prev = &value_dlist.entry,
                .next = &value_dlist.entry,
        },
}

Definition at line 1221 of file pair.c.

Macros

Functions

Variables

Detailed Description

Macro Definition Documentation

◆ _PAIR_INLINE

◆ _PAIR_PRIVATE

◆ IN_A_LIST_MSG

◆ NOT_IN_THIS_LIST_MSG

Function Documentation

◆ _fr_pair_dcursor_by_ancestor_init()

◆ _fr_pair_dcursor_by_da_init()

◆ _fr_pair_dcursor_init()

◆ _fr_pair_dcursor_iter_init()

◆ _fr_pair_free()

◆ _fr_pair_iter_next_dcursor_value()

◆ _fr_pair_iter_next_value()

◆ _pair_list_dcursor_insert()

◆ _pair_list_dcursor_remove()

◆ fprintf_pair_list()

◆ fr_fprintf_pair()

◆ fr_fprintf_pair_list()

◆ fr_pair_afrom_child_num()

◆ fr_pair_afrom_da()

◆ fr_pair_afrom_da_depth_nested()

◆ fr_pair_afrom_da_nested()

◆ fr_pair_alloc_null()

◆ fr_pair_append()

◆ fr_pair_append_by_da()

◆ fr_pair_append_by_da_parent()

◆ fr_pair_children()

◆ fr_pair_cmp()

◆ fr_pair_cmp_by_da()

◆ fr_pair_cmp_by_parent_num()

◆ fr_pair_copy()

◆ fr_pair_count_by_da()

◆ fr_pair_dcursor_nested_init()

◆ fr_pair_dcursor_value_init()

◆ fr_pair_delete()

◆ fr_pair_delete_by_child_num()

◆ fr_pair_delete_by_da()

◆ fr_pair_delete_by_da_nested()

◆ fr_pair_find_by_child_num()

◆ fr_pair_find_by_child_num_idx()

◆ fr_pair_find_by_da()

◆ fr_pair_find_by_da_idx()

◆ fr_pair_find_by_da_nested()

◆ fr_pair_find_last_by_da()

◆ fr_pair_immutable()

◆ fr_pair_init_null()

◆ fr_pair_insert_after()

◆ fr_pair_insert_before()

◆ fr_pair_iter_next_by_ancestor()

◆ fr_pair_iter_next_by_da()

◆ fr_pair_list_afrom_box()

◆ fr_pair_list_alloc()

◆ fr_pair_list_cmp()

◆ fr_pair_list_copy()

◆ fr_pair_list_copy_by_ancestor()

◆ fr_pair_list_copy_by_da()

◆ fr_pair_list_copy_to_box()

◆ fr_pair_list_init()

◆ fr_pair_list_iter_leaf()

◆ fr_pair_list_parent()

◆ fr_pair_list_steal()

◆ fr_pair_list_tainted()

◆ fr_pair_matches_da()

◆ fr_pair_parent()

◆ fr_pair_parent_list()

◆ fr_pair_prepend()

◆ fr_pair_prepend_by_da()

◆ fr_pair_raw_afrom_pair()

◆ fr_pair_reinit_from_da()

◆ fr_pair_replace()

◆ fr_pair_root_afrom_da()

◆ fr_pair_steal()

◆ fr_pair_steal_append()

◆ fr_pair_steal_prepend()

◆ fr_pair_sublist_copy()

◆ fr_pair_update_by_da_parent()