diff options
Diffstat (limited to 'include/libnftnl/rule.h')
| -rw-r--r-- | include/libnftnl/rule.h | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/include/libnftnl/rule.h b/include/libnftnl/rule.h new file mode 100644 index 0000000..b6b93c6 --- /dev/null +++ b/include/libnftnl/rule.h @@ -0,0 +1,102 @@ +#ifndef _LIBNFTNL_RULE_H_ +#define _LIBNFTNL_RULE_H_ + +#include <stdio.h> +#include <stdint.h> +#include <stdbool.h> +#include <sys/types.h> + +#include <libnftnl/common.h> + +#ifdef __cplusplus +extern "C" { +#endif + +struct nftnl_rule; +struct nftnl_expr; + +struct nftnl_rule *nftnl_rule_alloc(void); +void nftnl_rule_free(const struct nftnl_rule *); + +enum nftnl_rule_attr { + NFTNL_RULE_FAMILY = 0, + NFTNL_RULE_TABLE, + NFTNL_RULE_CHAIN, + NFTNL_RULE_HANDLE, + NFTNL_RULE_COMPAT_PROTO, + NFTNL_RULE_COMPAT_FLAGS, + NFTNL_RULE_POSITION, + NFTNL_RULE_USERDATA, + NFTNL_RULE_ID, + NFTNL_RULE_POSITION_ID, + __NFTNL_RULE_MAX +}; +#define NFTNL_RULE_MAX (__NFTNL_RULE_MAX - 1) + +void nftnl_rule_unset(struct nftnl_rule *r, uint16_t attr); +bool nftnl_rule_is_set(const struct nftnl_rule *r, uint16_t attr); +int nftnl_rule_set(struct nftnl_rule *r, uint16_t attr, const void *data) __attribute__((deprecated)); +int nftnl_rule_set_data(struct nftnl_rule *r, uint16_t attr, + const void *data, uint32_t data_len); +void nftnl_rule_set_u32(struct nftnl_rule *r, uint16_t attr, uint32_t val); +void nftnl_rule_set_u64(struct nftnl_rule *r, uint16_t attr, uint64_t val); +int nftnl_rule_set_str(struct nftnl_rule *r, uint16_t attr, const char *str); + +const void *nftnl_rule_get(const struct nftnl_rule *r, uint16_t attr); +const void *nftnl_rule_get_data(const struct nftnl_rule *r, uint16_t attr, + uint32_t *data_len); +const char *nftnl_rule_get_str(const struct nftnl_rule *r, uint16_t attr); +uint8_t nftnl_rule_get_u8(const struct nftnl_rule *r, uint16_t attr); +uint32_t nftnl_rule_get_u32(const struct nftnl_rule *r, uint16_t attr); +uint64_t nftnl_rule_get_u64(const struct nftnl_rule *r, uint16_t attr); + +void nftnl_rule_add_expr(struct nftnl_rule *r, struct nftnl_expr *expr); +void nftnl_rule_del_expr(struct nftnl_expr *expr); + +struct nlmsghdr; + +void nftnl_rule_nlmsg_build_payload(struct nlmsghdr *nlh, struct nftnl_rule *t); + +int nftnl_rule_parse(struct nftnl_rule *r, enum nftnl_parse_type type, + const char *data, struct nftnl_parse_err *err); +int nftnl_rule_parse_file(struct nftnl_rule *r, enum nftnl_parse_type type, + FILE *fp, struct nftnl_parse_err *err); +int nftnl_rule_snprintf(char *buf, size_t size, const struct nftnl_rule *t, uint32_t type, uint32_t flags); +int nftnl_rule_fprintf(FILE *fp, const struct nftnl_rule *r, uint32_t type, uint32_t flags); + +#define nftnl_rule_nlmsg_build_hdr nftnl_nlmsg_build_hdr +int nftnl_rule_nlmsg_parse(const struct nlmsghdr *nlh, struct nftnl_rule *t); + +int nftnl_expr_foreach(struct nftnl_rule *r, + int (*cb)(struct nftnl_expr *e, void *data), + void *data); + +struct nftnl_expr_iter; + +struct nftnl_expr_iter *nftnl_expr_iter_create(const struct nftnl_rule *r); +struct nftnl_expr *nftnl_expr_iter_next(struct nftnl_expr_iter *iter); +void nftnl_expr_iter_destroy(struct nftnl_expr_iter *iter); + +struct nftnl_rule_list; + +struct nftnl_rule_list *nftnl_rule_list_alloc(void); +void nftnl_rule_list_free(struct nftnl_rule_list *list); +int nftnl_rule_list_is_empty(const struct nftnl_rule_list *list); +void nftnl_rule_list_add(struct nftnl_rule *r, struct nftnl_rule_list *list); +void nftnl_rule_list_add_tail(struct nftnl_rule *r, struct nftnl_rule_list *list); +void nftnl_rule_list_insert_at(struct nftnl_rule *r, struct nftnl_rule *pos); +void nftnl_rule_list_del(struct nftnl_rule *r); +int nftnl_rule_list_foreach(struct nftnl_rule_list *rule_list, int (*cb)(struct nftnl_rule *t, void *data), void *data); + +struct nftnl_rule_list_iter; + +struct nftnl_rule_list_iter *nftnl_rule_list_iter_create(const struct nftnl_rule_list *l); +struct nftnl_rule *nftnl_rule_list_iter_cur(struct nftnl_rule_list_iter *iter); +struct nftnl_rule *nftnl_rule_list_iter_next(struct nftnl_rule_list_iter *iter); +void nftnl_rule_list_iter_destroy(const struct nftnl_rule_list_iter *iter); + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif /* _LIBNFTNL_RULE_H_ */ |