/usr/src/xtables-addons-2.12/extensions/compat_xtnu.h is in xtables-addons-dkms 2.12-0.1.
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 | #ifndef _COMPAT_XTNU_H
#define _COMPAT_XTNU_H 1
#include <linux/netfilter/x_tables.h>
struct module;
struct sk_buff;
struct xtnu_match {
/*
* Making it smaller by sizeof(void *) on purpose to catch
* lossy translation, if any.
*/
char name[sizeof(((struct xt_match *)NULL)->name) - 1 - sizeof(void *)];
uint8_t revision;
bool (*match)(const struct sk_buff *, struct xt_action_param *);
int (*checkentry)(const struct xt_mtchk_param *);
void (*destroy)(const struct xt_mtdtor_param *);
struct module *me;
const char *table;
unsigned int matchsize, hooks;
unsigned short proto, family;
void *__compat_match;
};
struct xtnu_target {
char name[sizeof(((struct xt_target *)NULL)->name) - 1 - sizeof(void *)];
uint8_t revision;
unsigned int (*target)(struct sk_buff **,
const struct xt_action_param *);
int (*checkentry)(const struct xt_tgchk_param *);
void (*destroy)(const struct xt_tgdtor_param *);
struct module *me;
const char *table;
unsigned int targetsize, hooks;
unsigned short proto, family;
void *__compat_target;
};
static inline struct xtnu_match *xtcompat_numatch(const struct xt_match *m)
{
void *q;
memcpy(&q, m->name + sizeof(m->name) - sizeof(void *), sizeof(void *));
return q;
}
static inline struct xtnu_target *xtcompat_nutarget(const struct xt_target *t)
{
void *q;
memcpy(&q, t->name + sizeof(t->name) - sizeof(void *), sizeof(void *));
return q;
}
extern int xtnu_register_match(struct xtnu_match *);
extern void xtnu_unregister_match(struct xtnu_match *);
extern int xtnu_register_matches(struct xtnu_match *, unsigned int);
extern void xtnu_unregister_matches(struct xtnu_match *, unsigned int);
extern int xtnu_register_target(struct xtnu_target *);
extern void xtnu_unregister_target(struct xtnu_target *);
extern int xtnu_register_targets(struct xtnu_target *, unsigned int);
extern void xtnu_unregister_targets(struct xtnu_target *, unsigned int);
extern void *HX_memmem(const void *, size_t, const void *, size_t);
#endif /* _COMPAT_XTNU_H */
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