filter.h File Reference

#include <stdint.h>
#include <string.h>
#include <netinet/in.h>
#include <hash.h>

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Data Structures
struct	ct_filter_ipv4_hnode
struct	ct_filter_ipv6_hnode
struct	ct_filter_netmask_ipv4
struct	ct_filter_netmask_ipv6

Enumerations
enum	ct_filter_type {   CT_FILTER_L4PROTO,   CT_FILTER_STATE,   CT_FILTER_ADDRESS,   CT_FILTER_MAX }
enum	ct_filter_logic {   CT_FILTER_NEGATIVE = 0,   CT_FILTER_POSITIVE = 1 }

Functions
struct ct_filter *	ct_filter_create (void)
void	ct_filter_destroy (struct ct_filter *filter)
int	ct_filter_add_ip (struct ct_filter *filter, void *data, uint8_t family)
int	ct_filter_add_netmask (struct ct_filter *filter, void *data, uint8_t family)
void	ct_filter_add_proto (struct ct_filter *filter, int protonum)
void	ct_filter_add_state (struct ct_filter *f, int protonum, int state)
void	ct_filter_set_logic (struct ct_filter *f, enum ct_filter_type type, enum ct_filter_logic logic)
int	ct_filter_conntrack (const struct nf_conntrack *ct, int userspace)
int	ct_filter_master (const struct nf_conntrack *master)
struct exp_filter *	exp_filter_create (void)
int	exp_filter_add (struct exp_filter *f, const char *helper_name)
int	exp_filter_find (struct exp_filter *f, const struct nf_expect *exp)

Enumeration Type Documentation

enum ct_filter_logic

Enumerator
CT_FILTER_NEGATIVE
CT_FILTER_POSITIVE

enum ct_filter_type

Enumerator
CT_FILTER_L4PROTO
CT_FILTER_STATE
CT_FILTER_ADDRESS
CT_FILTER_MAX

Function Documentation

int ct_filter_add_ip	(	struct ct_filter *	filter,
		void *	data,
		uint8_t	family
	)

References ct_filter::h, ct_filter::h6, hashtable_add(), hashtable_find(), hashtable_hash(), id, ct_filter_ipv4_hnode::ip, ct_filter_ipv6_hnode::ipv6, ct_filter_ipv6_hnode::node, ct_filter_ipv4_hnode::node, and NULL.

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int ct_filter_add_netmask	(	struct ct_filter *	filter,
		void *	data,
		uint8_t	family
	)

References ct_filter::v, ct_filter::v6, vector_add(), and vector_iterate().

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void ct_filter_add_proto	(	struct ct_filter *	filter,
		int	protonum
	)

References ct_filter::l4protomap.

void ct_filter_add_state	(	struct ct_filter *	f,
		int	protonum,
		int	state
	)

References ct_filter::statemap.

int ct_filter_conntrack	(	const struct nf_conntrack *	ct,
		int	userspace
	)

References STATE.

struct ct_filter* ct_filter_create

(

void

)

References CT_FILTER_MAX, FILTER_POOL_LIMIT, FILTER_POOL_SIZE, ct_filter::h, ct_filter::h6, hashtable_create(), ct_filter::logic, NULL, ct_filter::v, ct_filter::v6, and vector_create().

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void ct_filter_destroy

(

struct ct_filter *

filter

)

References ct_filter::h, ct_filter::h6, hashtable_destroy(), ct_filter::v, ct_filter::v6, and vector_destroy().

Referenced by ctnl_kill().

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int ct_filter_master

(

const struct nf_conntrack *

master

)

References STATE.

void ct_filter_set_logic	(	struct ct_filter *	f,
		enum ct_filter_type	type,
		enum ct_filter_logic	logic
	)

References ct_filter::logic, and type.

int exp_filter_add	(	struct exp_filter *	f,
		const char *	helper_name
	)

References exp_filter_item::head, exp_filter_item::helper_name, exp_filter::list, list_for_each_entry, NFCT_HELPER_NAME_MAX, and NULL.

struct exp_filter* exp_filter_create

(

void

)

References INIT_LIST_HEAD, exp_filter::list, and NULL.

int exp_filter_find	(	struct exp_filter *	f,
		const struct nf_expect *	exp
	)

References ATTR_EXP_HELPER_NAME, exp_filter_item::head, exp_filter_item::helper_name, exp_filter::list, list_for_each_entry, name, nfexp_attr_is_set(), nfexp_get_attr(), and NULL.

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