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#ifndef NFTABLES_NETLINK_H
#define NFTABLES_NETLINK_H
#include <libnftables/table.h>
#include <libnftables/chain.h>
#include <libnftables/rule.h>
#include <libnftables/expr.h>
#include <libnftables/set.h>
#include <linux/netlink.h>
#include <linux/netfilter/nf_tables.h>
#include <rule.h>
/**
* struct netlink_ctx
*
* @msgs: message queue
* @list: list of parsed rules/chains/tables
* @set: current set
* @data: pointer to pass data to callback
*/
struct netlink_ctx {
struct list_head *msgs;
struct list_head list;
struct set *set;
const void *data;
};
extern struct nft_table *alloc_nft_table(const struct handle *h);
extern struct nft_chain *alloc_nft_chain(const struct handle *h);
extern struct nft_rule *alloc_nft_rule(const struct handle *h);
extern struct nft_rule_expr *alloc_nft_expr(const char *name);
extern struct nft_set *alloc_nft_set(const struct handle *h);
struct nft_data_linearize {
uint32_t len;
uint32_t value[4];
char chain[NFT_CHAIN_MAXNAMELEN];
int verdict;
};
struct nft_data_delinearize {
uint32_t len;
const uint32_t *value;
const char *chain;
int verdict;
};
extern void netlink_gen_data(const struct expr *expr,
struct nft_data_linearize *data);
extern void netlink_gen_raw_data(const mpz_t value, enum byteorder byteorder,
unsigned int len,
struct nft_data_linearize *data);
extern struct expr *netlink_alloc_value(const struct location *loc,
const struct nft_data_delinearize *nld);
extern struct expr *netlink_alloc_data(const struct location *loc,
const struct nft_data_delinearize *nld,
enum nft_registers dreg);
extern int netlink_linearize_rule(struct netlink_ctx *ctx,
struct nft_rule *nlr,
const struct rule *rule);
extern struct rule *netlink_delinearize_rule(struct netlink_ctx *ctx,
const struct nft_rule *r);
extern int netlink_add_rule(struct netlink_ctx *ctx, const struct handle *h,
const struct rule *rule, uint32_t flags);
extern int netlink_delete_rule(struct netlink_ctx *ctx, const struct handle *h,
const struct location *loc);
extern int netlink_add_chain(struct netlink_ctx *ctx, const struct handle *h,
const struct location *loc,
const struct chain *chain);
extern int netlink_rename_chain(struct netlink_ctx *ctx, const struct handle *h,
const struct location *loc, const char *name);
extern int netlink_delete_chain(struct netlink_ctx *ctx, const struct handle *h,
const struct location *loc);
extern int netlink_list_chains(struct netlink_ctx *ctx, const struct handle *h,
const struct location *loc);
extern int netlink_get_chain(struct netlink_ctx *ctx, const struct handle *h,
const struct location *loc);
extern int netlink_list_chain(struct netlink_ctx *ctx, const struct handle *h,
const struct location *loc);
extern int netlink_flush_chain(struct netlink_ctx *ctx, const struct handle *h,
const struct location *loc);
extern int netlink_add_table(struct netlink_ctx *ctx, const struct handle *h,
const struct location *loc,
const struct table *table);
extern int netlink_delete_table(struct netlink_ctx *ctx, const struct handle *h,
const struct location *loc);
extern int netlink_list_tables(struct netlink_ctx *ctx, const struct handle *h,
const struct location *loc);
extern int netlink_get_table(struct netlink_ctx *ctx, const struct handle *h,
const struct location *loc);
extern int netlink_list_table(struct netlink_ctx *ctx, const struct handle *h,
const struct location *loc);
extern int netlink_flush_table(struct netlink_ctx *ctx, const struct handle *h,
const struct location *loc);
extern int netlink_add_set(struct netlink_ctx *ctx, const struct handle *h,
struct set *set);
extern int netlink_delete_set(struct netlink_ctx *ctx, const struct handle *h,
const struct location *loc);
extern int netlink_list_sets(struct netlink_ctx *ctx, const struct handle *h,
const struct location *loc);
extern int netlink_get_set(struct netlink_ctx *ctx, const struct handle *h,
const struct location *loc);
extern int netlink_add_setelems(struct netlink_ctx *ctx, const struct handle *h,
const struct expr *expr);
extern int netlink_delete_setelems(struct netlink_ctx *ctx, const struct handle *h,
const struct expr *expr);
extern int netlink_get_setelems(struct netlink_ctx *ctx, const struct handle *h,
const struct location *loc, struct set *set);
extern void netlink_dump_table(struct nft_table *nlt);
extern void netlink_dump_chain(struct nft_chain *nlc);
extern void netlink_dump_rule(struct nft_rule *nlr);
extern void netlink_dump_expr(struct nft_rule_expr *nle);
extern void netlink_dump_set(struct nft_set *nls);
#endif /* NFTABLES_NETLINK_H */
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