Registration API for xlat functions. More...

#include <freeradius-devel/server/module_rlm.h>
#include <freeradius-devel/unlang/xlat_priv.h>
#include <freeradius-devel/unlang/xlat.h>
#include <freeradius-devel/unlang/xlat_func.h>

Include dependency graph for xlat_func.c:

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Functions
void	_xlat_func_instantiate_set (xlat_t const xlat, xlat_instantiate_t instantiate, char const inst_type, size_t inst_size, xlat_detach_t detach, void *uctx)
	Set global instantiation/detach callbacks. More...

void	_xlat_func_safe_for_set (xlat_t *xlat, fr_value_box_safe_for_t safe_for)
	Set the escaped values for output boxes. More...

static int	_xlat_func_talloc_free (xlat_t *xlat)
	Remove an xlat function from the function tree. More...

void	_xlat_func_thread_instantiate_set (xlat_t const xlat, xlat_thread_instantiate_t thread_instantiate, char const thread_inst_type, size_t thread_inst_size, xlat_thread_detach_t thread_detach, void *uctx)
	Register an async xlat. More...

static void	_xlat_func_tree_free (void *xlat)
	Callback for the rbtree to clear out any xlats still registered. More...

static int	xlat_arg_parser_validate (xlat_t x, xlat_arg_parser_t const arg, bool last)
	Verify xlat arg specifications are valid. More...

int	xlat_func_args_set (xlat_t *x, xlat_arg_parser_t const args[])
	Register the arguments of an xlat. More...

void	xlat_func_call_env_set (xlat_t x, call_env_method_t const env_method)
	Register call environment of an xlat. More...

int8_t	xlat_func_cmp (void const one, void const two)
	Compare two xlat_t by the underlying function. More...

xlat_t *	xlat_func_find (char const *in, ssize_t inlen)

xlat_t *	xlat_func_find_module (module_inst_ctx_t const mctx, char const name)

void	xlat_func_flags_set (xlat_t *x, xlat_func_flags_t flags)
	Specify flags that alter the xlat's behaviour. More...

void	xlat_func_free (void)

int	xlat_func_init (void)

void	xlat_func_print_set (xlat_t *xlat, xlat_print_t func)
	Set a print routine for an xlat function. More...

xlat_t *	xlat_func_register (TALLOC_CTX ctx, char const name, xlat_func_t func, fr_type_t return_type)
	Register an xlat function. More...

void	xlat_func_resolve_set (xlat_t *xlat, xlat_resolve_t func)
	Set a resolve routine for an xlat function. More...

void	xlat_func_unregister (char const *name)
	Unregister an xlat function. More...

void	xlat_func_unregister_module (module_instance_t const *inst)

void	xlat_mctx_set (xlat_t x, module_inst_ctx_t const mctx)
	Associate a module calling ctx with the xlat. More...

static int8_t	xlat_name_cmp (void const one, void const two)
	Compare two xlat_t by the registered name. More...

void	xlat_purify_func_set (xlat_t *xlat, xlat_purify_t func)
	Set a resolve routine for an xlat function. More...

Variables
static fr_rb_tree_t *	xlat_root = NULL

Detailed Description

Registration API for xlat functions.

Id: 4ce620fd72d54fafe0e94993d07a86eb0e9683ab

Copyright: 2023 Arran Cudbard-Bell (a.cud.nosp@m.bard.nosp@m.b@fre.nosp@m.erad.nosp@m.ius.o.nosp@m.rg)

Definition in file xlat_func.c.

Function Documentation

◆ _xlat_func_instantiate_set()

void _xlat_func_instantiate_set	(	xlat_t const *	xlat,
		xlat_instantiate_t	instantiate,
		char const *	inst_type,
		size_t	inst_size,
		xlat_detach_t	detach,
		void *	uctx
	)

Set global instantiation/detach callbacks.

Parameters

[in]	xlat	to set instantiation callbacks for.
[in]	instantiate	Instantiation function. Called whenever a xlat is compiled.
[in]	inst_type	Name of the instance structure.
[in]	inst_size	The size of the instance struct. Pre-allocated for use by the instantiate function. If 0, no memory will be allocated.
[in]	detach	Called when an xlat_exp_t is freed.
[in]	uctx	Passed to the instantiation function.

Definition at line 461 of file xlat_func.c.

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◆ _xlat_func_safe_for_set()

void _xlat_func_safe_for_set	(	xlat_t *	xlat,
		fr_value_box_safe_for_t	safe_for
	)

Set the escaped values for output boxes.

Parameters

[in]	xlat	function to set the escaped value for (as returned by xlat_register).
[in]	safe_for	escaped value to write to output boxes.

Definition at line 444 of file xlat_func.c.

◆ _xlat_func_talloc_free()

static int _xlat_func_talloc_free ( xlat_t * xlat )

static

Remove an xlat function from the function tree.

Parameters

[in] xlat to free.

Returns: 0

Definition at line 100 of file xlat_func.c.

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◆ _xlat_func_thread_instantiate_set()

void _xlat_func_thread_instantiate_set	(	xlat_t const *	xlat,
		xlat_thread_instantiate_t	thread_instantiate,
		char const *	thread_inst_type,
		size_t	thread_inst_size,
		xlat_thread_detach_t	thread_detach,
		void *	uctx
	)

Register an async xlat.

All functions registered must be !pure

Parameters

[in]	xlat	to set instantiation callbacks for.
[in]	thread_instantiate	Instantiation function. Called for every compiled xlat every time a thread is started.
[in]	thread_inst_type	Name of the thread instance structure.
[in]	thread_inst_size	The size of the thread instance struct. Pre-allocated for use by the instantiate function. If 0, no memory will be allocated.
[in]	thread_detach	Called when the thread is freed.
[in]	uctx	Passed to the thread instantiate function.

Definition at line 489 of file xlat_func.c.

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◆ _xlat_func_tree_free()

static void _xlat_func_tree_free ( void * xlat )

static

Callback for the rbtree to clear out any xlats still registered.

Definition at line 114 of file xlat_func.c.

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◆ xlat_arg_parser_validate()

static int xlat_arg_parser_validate	(	xlat_t *	x,
		xlat_arg_parser_t const *	arg,
		bool	last
	)

inlinestatic

Verify xlat arg specifications are valid.

Parameters

[in]	x	we're setting arguments for.
[in]	arg	specification to validate.
[in]	last	Is this the last argument in the list.

Definition at line 315 of file xlat_func.c.

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◆ xlat_func_args_set()

int xlat_func_args_set	(	xlat_t *	x,
		xlat_arg_parser_t const	args[]
	)

Register the arguments of an xlat.

For xlats that take multiple arguments

Parameters

[in,out]	x	to have it's arguments registered
[in]	args	to be registered

Returns

0 on success.
< 0 on failure.

Definition at line 365 of file xlat_func.c.

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◆ xlat_func_call_env_set()

void xlat_func_call_env_set	(	xlat_t *	x,
		call_env_method_t const *	env_method
	)

Register call environment of an xlat.

Parameters

[in,out]	x	to have it's module method env registered.
[in]	env_method	to be registered.

Definition at line 392 of file xlat_func.c.

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◆ xlat_func_cmp()

int8_t xlat_func_cmp	(	void const *	one,
		void const *	two
	)

Compare two xlat_t by the underlying function.

Parameters

[in]	one	First xlat_t to compare.
[in]	two	Second xlat_t to compare.

Returns

-1 if one < two
0 if one == two
1 if one > two

Definition at line 69 of file xlat_func.c.

◆ xlat_func_find()

xlat_t* xlat_func_find	(	char const *	in,
		ssize_t	inlen
	)

Definition at line 79 of file xlat_func.c.

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◆ xlat_func_find_module()

xlat_t* xlat_func_find_module	(	module_inst_ctx_t const *	mctx,
		char const *	name
	)

Definition at line 182 of file xlat_func.c.

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◆ xlat_func_flags_set()

void xlat_func_flags_set	(	xlat_t *	x,
		xlat_func_flags_t	flags
	)

Specify flags that alter the xlat's behaviour.

Parameters

[in]	x	xlat to set flags for.
[in]	flags	to set.

Definition at line 402 of file xlat_func.c.

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◆ xlat_func_free()

void xlat_func_free ( void )

Definition at line 566 of file xlat_func.c.

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◆ xlat_func_init()

int xlat_func_init ( void )

Definition at line 550 of file xlat_func.c.

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◆ xlat_func_print_set()

void xlat_func_print_set	(	xlat_t *	xlat,
		xlat_print_t	func
	)

Set a print routine for an xlat function.

Parameters

[in]	xlat	to set
[in]	func	for printing

Definition at line 414 of file xlat_func.c.

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◆ xlat_func_register()

xlat_t* xlat_func_register	(	TALLOC_CTX *	ctx,
		char const *	name,
		xlat_func_t	func,
		fr_type_t	return_type
	)

Register an xlat function.

Parameters

[in]	ctx	Used to automate deregistration of the xlat function.
[in]	name	of the xlat.
[in]	func	to register.
[in]	return_type	what type of output the xlat function will produce.

Returns

A handle for the newly registered xlat function on success.
NULL on failure.

Definition at line 218 of file xlat_func.c.

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◆ xlat_func_resolve_set()

void xlat_func_resolve_set	(	xlat_t *	xlat,
		xlat_resolve_t	func
	)

Set a resolve routine for an xlat function.

Parameters

[in]	xlat	to set
[in]	func	to resolve xlat.

Definition at line 424 of file xlat_func.c.

◆ xlat_func_unregister()

void xlat_func_unregister ( char const * name )

Unregister an xlat function.

We can only have one function to call per name, so the passing of "func" here is extraneous.

Parameters

[in] name xlat to unregister.

Definition at line 519 of file xlat_func.c.

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◆ xlat_func_unregister_module()

void xlat_func_unregister_module ( module_instance_t const * inst )

Definition at line 533 of file xlat_func.c.

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◆ xlat_mctx_set()

void xlat_mctx_set	(	xlat_t *	x,
		module_inst_ctx_t const *	mctx
	)

Associate a module calling ctx with the xlat.

Note: Intended to be called from the module_rlm

Parameters

[in]	x	to set the mctx for.
[in]	mctx	Is duplicated and about to the lifetime of the xlat.

Definition at line 299 of file xlat_func.c.

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◆ xlat_name_cmp()

static int8_t xlat_name_cmp	(	void const *	one,
		void const *	two
	)

static

Compare two xlat_t by the registered name.

Parameters

[in]	one	First xlat_t to compare.
[in]	two	Second xlat_t to compare.

Returns

-1 if one < two
0 if one == two
1 if one > two

Definition at line 44 of file xlat_func.c.

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◆ xlat_purify_func_set()

void xlat_purify_func_set	(	xlat_t *	xlat,
		xlat_purify_t	func
	)

Set a resolve routine for an xlat function.

Parameters

[in]	xlat	to set
[in]	func	to purify xlat

Definition at line 434 of file xlat_func.c.

Variable Documentation

◆ xlat_root

fr_rb_tree_t* xlat_root = NULL

static

Definition at line 33 of file xlat_func.c.

Functions

Variables

Detailed Description

Function Documentation

◆ _xlat_func_instantiate_set()

◆ _xlat_func_safe_for_set()

◆ _xlat_func_talloc_free()

◆ _xlat_func_thread_instantiate_set()

◆ _xlat_func_tree_free()

◆ xlat_arg_parser_validate()

◆ xlat_func_args_set()

◆ xlat_func_call_env_set()

◆ xlat_func_cmp()

◆ xlat_func_find()

◆ xlat_func_find_module()

◆ xlat_func_flags_set()

◆ xlat_func_free()

◆ xlat_func_init()

◆ xlat_func_print_set()

◆ xlat_func_register()

◆ xlat_func_resolve_set()

◆ xlat_func_unregister()

◆ xlat_func_unregister_module()

◆ xlat_mctx_set()

◆ xlat_name_cmp()

◆ xlat_purify_func_set()

Variable Documentation

◆ xlat_root