nft_rule_obj.c File Reference

#include <sys/types.h>
#include <linux/netfilter/nf_tables.h>
#include <netlink-local.h>
#include <netlink/netfilter/nfnl.h>
#include <netlink/netfilter/netfilter.h>
#include <netlink/netfilter/nft_rule.h>
#include <netlink/netfilter/nft_expr.h>

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Macros
#define	NFT_RULE_DIFF(ATTR, EXPR)   ATTR_DIFF(attrs, RULE_ATTR_##ATTR, a, b, EXPR)
#define	NFT_RULE_DIFF_VAL(ATTR, FIELD)   NFT_RULE_DIFF(ATTR, a->FIELD != b->FIELD)
#define	NFT_RULE_DIFF_DATA(ATTR, FIELD)

Functions
Allocation/Freeing
struct nfnl_nft_rule *	nfnl_nft_rule_alloc (void)
void	nfnl_nft_rule_get (struct nfnl_nft_rule *rule)
void	nfnl_nft_rule_put (struct nfnl_nft_rule *rule)
Attributes
void	nfnl_nft_rule_set_family (struct nfnl_nft_rule *rule, uint8_t family)
int	nfnl_nft_rule_test_family (const struct nfnl_nft_rule *rule)
uint8_t	nfnl_nft_rule_get_family (const struct nfnl_nft_rule *rule)
int	nfnl_nft_rule_set_table (struct nfnl_nft_rule *rule, const char *table, int len)
int	nfnl_nft_rule_test_table (const struct nfnl_nft_rule *rule)
const char *	nfnl_nft_rule_get_table (const struct nfnl_nft_rule *rule)
int	nfnl_nft_rule_set_chain (struct nfnl_nft_rule *rule, const char *chain, int len)
int	nfnl_nft_rule_test_chain (const struct nfnl_nft_rule *rule)
const char *	nfnl_nft_rule_get_chain (const struct nfnl_nft_rule *rule)
void	nfnl_nft_rule_set_handle (struct nfnl_nft_rule *rule, uint64_t handle)
int	nfnl_nft_rule_test_handle (const struct nfnl_nft_rule *rule)
uint64_t	nfnl_nft_rule_get_handle (const struct nfnl_nft_rule *rule)
void	nfnl_nft_rule_add_expr (struct nfnl_nft_rule *rule, struct nfnl_nft_expr *expr)
void	nfnl_nft_rule_foreach_expr (const struct nfnl_nft_rule *rule, void(*cb)(struct nl_object *, void *), void *arg)

Variables
struct nl_object_ops	nft_rule_obj_ops

Macro Definition Documentation

#define NFT_RULE_DIFF	(		ATTR,
			EXPR
	)		ATTR_DIFF(attrs, RULE_ATTR_##ATTR, a, b, EXPR)

#define NFT_RULE_DIFF_DATA	(		ATTR,
			FIELD
	)

Value:

NFT_RULE_DIFF(ATTR, nl_data_get_size(a->FIELD) != nl_data_get_size(b->FIELD) || \
                 memcmp(nl_data_get(a->FIELD), nl_data_get(b->FIELD),    \
                        nl_data_get_size(a->FIELD)))

#define NFT_RULE_DIFF_VAL	(		ATTR,
			FIELD
	)		NFT_RULE_DIFF(ATTR, a->FIELD != b->FIELD)

Function Documentation

void nfnl_nft_rule_add_expr	(	struct nfnl_nft_rule *	rule,
		struct nfnl_nft_expr *	expr
	)

References nfnl_nft_expr::expr_list, and nfnl_nft_rule::rule_expressions.

Referenced by main().

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struct nfnl_nft_rule* nfnl_nft_rule_alloc

(

void

)

References nft_rule_obj_ops, and nl_object_alloc().

Referenced by main(), and nfnlmsg_nft_rule_parse().

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void nfnl_nft_rule_foreach_expr	(	const struct nfnl_nft_rule *	rule,
		void(*)(struct nl_object *, void *)	cb,
		void *	arg
	)

References nfnl_nft_expr::expr_list, nl_list_for_each_entry, and nfnl_nft_rule::rule_expressions.

void nfnl_nft_rule_get

(

struct nfnl_nft_rule *

rule

)

References nl_object_get().

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const char* nfnl_nft_rule_get_chain

(

const struct nfnl_nft_rule *

rule

)

References nl_data_get(), and nfnl_nft_rule::rule_chain.

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uint8_t nfnl_nft_rule_get_family

(

const struct nfnl_nft_rule *

rule

)

References nfnl_nft_rule::rule_family.

uint64_t nfnl_nft_rule_get_handle

(

const struct nfnl_nft_rule *

rule

)

References nfnl_nft_rule::rule_handle.

const char* nfnl_nft_rule_get_table

(

const struct nfnl_nft_rule *

rule

)

References nl_data_get(), and nfnl_nft_rule::rule_table.

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void nfnl_nft_rule_put

(

struct nfnl_nft_rule *

rule

)

References nl_object_put().

Referenced by main(), and nfnlmsg_nft_rule_parse().

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int nfnl_nft_rule_set_chain	(	struct nfnl_nft_rule *	rule,
		const char *	chain,
		int	len
	)

References data, nl_data_alloc(), nl_data_free(), NLE_NOMEM, NULL, and nfnl_nft_rule::rule_chain.

Referenced by main(), and nfnlmsg_nft_rule_parse().

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void nfnl_nft_rule_set_family	(	struct nfnl_nft_rule *	rule,
		uint8_t	family
	)

References nfnl_nft_rule::rule_family.

Referenced by main(), and nfnlmsg_nft_rule_parse().

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void nfnl_nft_rule_set_handle	(	struct nfnl_nft_rule *	rule,
		uint64_t	handle
	)

References nfnl_nft_rule::rule_handle.

Referenced by main(), and nfnlmsg_nft_rule_parse().

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int nfnl_nft_rule_set_table	(	struct nfnl_nft_rule *	rule,
		const char *	table,
		int	len
	)

References data, nl_data_alloc(), nl_data_free(), NLE_NOMEM, NULL, and nfnl_nft_rule::rule_table.

Referenced by main(), and nfnlmsg_nft_rule_parse().

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int nfnl_nft_rule_test_chain

(

const struct nfnl_nft_rule *

rule

)

int nfnl_nft_rule_test_family

(

const struct nfnl_nft_rule *

rule

)

int nfnl_nft_rule_test_handle

(

const struct nfnl_nft_rule *

rule

)

int nfnl_nft_rule_test_table

(

const struct nfnl_nft_rule *

rule

)

Variable Documentation

struct nl_object_ops nft_rule_obj_ops

Initial value:

= {
    .oo_name        = "netfilter/nft_rule",
    .oo_size        = sizeof(struct nfnl_nft_rule),
    .oo_constructor     = nft_rule_constructor,
    .oo_free_data       = nft_rule_free_data,
    .oo_clone       = nft_rule_clone,
    .oo_dump = {
        [NL_DUMP_LINE]      = nft_rule_dump,
        [NL_DUMP_DETAILS]   = nft_rule_dump,
        [NL_DUMP_STATS]     = nft_rule_dump,
    },
    .oo_compare     = nft_rule_compare,
    .oo_attrs2str       = nft_rule_attrs2str,
}

Referenced by nfnl_nft_rule_alloc().