/usr/include/libnftnl/rule.h is in libnftnl-dev 1.0.9-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 | #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_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);
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);
bool nftnl_rule_cmp(const struct nftnl_rule *r1, const struct nftnl_rule *r2);
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_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_ */
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