rule.c File Reference

#include <stddef.h>
#include <stdlib.h>
#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include <inttypes.h>
#include <errno.h>
#include <statement.h>
#include <rule.h>
#include <utils.h>
#include <netlink.h>
#include <libnftnl/common.h>
#include <libnftnl/ruleset.h>
#include <netinet/ip.h>
#include <linux/netfilter.h>
#include <linux/netfilter_arp.h>

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Data Structures
struct	print_fmt_options

Functions
void	handle_free (struct handle *h)
void	handle_merge (struct handle *dst, const struct handle *src)
struct set *	set_alloc (const struct location *loc)
struct set *	set_get (struct set *set)
void	set_free (struct set *set)
void	set_add_hash (struct set *set, struct table *table)
struct set *	set_lookup (const struct table *table, const char *name)
struct set *	set_lookup_global (uint32_t family, const char *table, const char *name)
void	set_print (const struct set *s)
void	set_print_plain (const struct set *s)
struct rule *	rule_alloc (const struct location *loc, const struct handle *h)
void	rule_free (struct rule *rule)
void	rule_print (const struct rule *rule)
struct scope *	scope_init (struct scope *scope, const struct scope *parent)
void	scope_release (const struct scope *scope)
void	symbol_bind (struct scope *scope, const char *identifier, struct expr *expr)
struct symbol *	symbol_lookup (const struct scope *scope, const char *identifier)
const char *	chain_type_name_lookup (const char *name)
const char *	chain_hookname_lookup (const char *name)
struct chain *	chain_alloc (const char *name)
void	chain_free (struct chain *chain)
void	chain_add_hash (struct chain *chain, struct table *table)
struct chain *	chain_lookup (const struct table *table, const struct handle *h)
const char *	family2str (unsigned int family)
void	chain_print_plain (const struct chain *chain)
struct table *	table_alloc (void)
void	table_free (struct table *table)
void	table_add_hash (struct table *table)
struct table *	table_lookup (const struct handle *h)
struct cmd *	cmd_alloc (enum cmd_ops op, enum cmd_obj obj, const struct handle *h, const struct location *loc, void *data)
struct export *	export_alloc (uint32_t format)
void	export_free (struct export *e)
struct monitor *	monitor_alloc (uint32_t format, uint32_t type, const char *event)
void	monitor_free (struct monitor *m)
void	cmd_free (struct cmd *cmd)
int	do_command (struct netlink_ctx *ctx, struct cmd *cmd)
struct error_record *	rule_postprocess (struct rule *rule)

Function Documentation

void chain_add_hash	(	struct chain *	chain,
		struct table *	table
	)

References table::chains, and chain::list.

struct chain* chain_alloc

(

const char *

name

)

References handle::chain, chain::chain, chain::handle, NULL, chain::rules, chain::scope, scope::symbols, xstrdup(), and xzalloc().

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void chain_free

(

struct chain *

chain

)

References chain::handle, handle_free(), rule::list, list_for_each_entry_safe, rule_free(), chain::rules, chain::scope, scope_release(), and xfree.

Referenced by cmd_free(), and table_free().

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const char* chain_hookname_lookup

(

const char *

name

)

References NULL.

struct chain* chain_lookup	(	const struct table *	table,
		const struct handle *	h
	)

References handle::chain, chain::chain, table::chains, chain::handle, chain::list, list_for_each_entry, and NULL.

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void chain_print_plain

(

const struct chain *

chain

)

References handle::chain, CHAIN_F_BASECHAIN, handle::family, family2str(), chain::flags, chain::handle, chain::hooknum, chain::priority, handle::table, and chain::type.

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const char* chain_type_name_lookup

(

const char *

name

)

References NULL.

struct cmd* cmd_alloc	(	enum cmd_ops	op,
		enum cmd_obj	obj,
		const struct handle *	h,
		const struct location *	loc,
		void *	data
	)

References cmd::data, data, cmd::handle, cmd::list, cmd::location, cmd::obj, cmd::op, and xzalloc().

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void cmd_free

(

struct cmd *

cmd

)

References cmd::arg, BUG, cmd::chain, chain_free(), CMD_OBJ_CHAIN, CMD_OBJ_EXPORT, CMD_OBJ_EXPR, CMD_OBJ_MONITOR, CMD_OBJ_RULE, CMD_OBJ_SET, CMD_OBJ_SETELEM, CMD_OBJ_TABLE, cmd::data, cmd::export, export_free(), cmd::expr, expr_free(), cmd::handle, handle_free(), cmd::monitor, monitor_free(), NULL, cmd::obj, cmd::rule, rule_free(), cmd::set, set_free(), cmd::table, table_free(), and xfree.

Referenced by nft_run().

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int do_command	(	struct netlink_ctx *	ctx,
		struct cmd *	cmd
	)

References BUG, CMD_ADD, CMD_CREATE, CMD_DELETE, CMD_DESCRIBE, CMD_EXPORT, CMD_FLUSH, CMD_INSERT, CMD_LIST, CMD_MONITOR, CMD_RENAME, cmd::obj, and cmd::op.

struct export* export_alloc

(

uint32_t

format

)

References format(), export::format, and xmalloc().

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void export_free

(

struct export *

e

)

References xfree.

Referenced by cmd_free().

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const char* family2str

(

unsigned int

family

)

References NFPROTO_ARP, NFPROTO_BRIDGE, NFPROTO_INET, NFPROTO_IPV4, and NFPROTO_IPV6.

Referenced by chain_print_plain(), and set_print_plain().

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void handle_free

(

struct handle *

h

)

References handle::chain, handle::comment, handle::set, handle::table, and xfree.

Referenced by chain_free(), cmd_free(), rule_free(), set_free(), and table_free().

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void handle_merge	(	struct handle *	dst,
		const struct handle *	src
	)

References handle::chain, handle::comment, handle::family, handle::handle, NULL, handle::position, handle::set, handle::table, and xstrdup().

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struct monitor* monitor_alloc	(	uint32_t	format,
		uint32_t	type,
		const char *	event
	)

References monitor::event, monitor::flags, format(), monitor::format, monitor::type, type, and xmalloc().

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void monitor_free

(

struct monitor *

m

)

References xfree.

Referenced by cmd_free().

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struct rule* rule_alloc	(	const struct location *	loc,
		const struct handle *	h
	)

References rule::handle, rule::list, rule::location, NULL, rule::stmts, and xzalloc().

Referenced by netlink_delinearize_rule().

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void rule_free

(

struct rule *

rule

)

References rule::handle, handle_free(), stmt_list_free(), rule::stmts, and xfree.

Referenced by chain_free(), and cmd_free().

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struct error_record* rule_postprocess

(

struct rule *

rule

)

References NULL.

void rule_print

(

const struct rule *

rule

)

References handle::handle, rule::handle, handle_output, stmt::list, list_for_each_entry, stmt::ops, stmt_ops::print, and rule::stmts.

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struct scope* scope_init	(	struct scope *	scope,
		const struct scope *	parent
	)

References scope::parent.

void scope_release

(

const struct scope *

scope

)

References symbol::expr, expr_free(), symbol::identifier, symbol::list, list_for_each_entry_safe, scope::symbols, and xfree.

Referenced by chain_free(), and table_free().

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void set_add_hash	(	struct set *	set,
		struct table *	table
	)

References set::list, and table::sets.

struct set* set_alloc

(

const struct location *

loc

)

References set::location, NULL, set::refcnt, and xzalloc().

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void set_free

(

struct set *

set

)

References expr_free(), set::handle, handle_free(), set::init, NULL, set::refcnt, and xfree.

Referenced by cmd_free().

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struct set* set_get

(

struct set *

set

)

References set::refcnt.

Referenced by set_ref_expr_alloc().

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struct set* set_lookup	(	const struct table *	table,
		const char *	name
	)

References set::handle, set::list, list_for_each_entry, NULL, handle::set, and table::sets.

Referenced by set_lookup_global().

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struct set* set_lookup_global	(	uint32_t	family,
		const char *	table,
		const char *	name
	)

References handle::family, NULL, set_lookup(), handle::table, and table_lookup().

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void set_print

(

const struct set *

s

)

References print_fmt_options::tab.

void set_print_plain

(

const struct set *

s

)

References handle::family, family2str(), set::handle, print_fmt_options::tab, and handle::table.

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void symbol_bind	(	struct scope *	scope,
		const char *	identifier,
		struct expr *	expr
	)

References symbol::expr, symbol::identifier, symbol::list, scope::symbols, xstrdup(), and xzalloc().

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struct symbol* symbol_lookup	(	const struct scope *	scope,
		const char *	identifier
	)

References symbol::identifier, symbol::list, list_for_each_entry, NULL, scope::parent, and scope::symbols.

void table_add_hash

(

struct table *

table

)

References table::list.

struct table* table_alloc

(

void

)

References table::chains, table::scope, table::sets, scope::symbols, and xzalloc().

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void table_free

(

struct table *

table

)

References chain::chain, chain_free(), table::chains, table::handle, handle_free(), chain::list, list_for_each_entry_safe, table::scope, scope_release(), and xfree.

Referenced by cmd_free().

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struct table* table_lookup

(

const struct handle *

h

)

References handle::family, table::handle, table::list, list_for_each_entry, NULL, and handle::table.

Referenced by netlink_delinearize_rule(), and set_lookup_global().

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