mirror of
https://gitlab.nic.cz/labs/bird.git
synced 2024-11-18 00:58:42 +00:00
64 lines
1.1 KiB
C
64 lines
1.1 KiB
C
/*
|
|
* BIRD Internet Routing Daemon -- Filters
|
|
*
|
|
* (c) 1999 Pavel Machek <pavel@ucw.cz>
|
|
*
|
|
* Can be freely distributed and used under the terms of the GNU GPL.
|
|
*/
|
|
|
|
#ifndef _BIRD_FILT_H_
|
|
#define _BIRD_FILT_H_
|
|
|
|
#include "lib/resource.h"
|
|
|
|
struct f_inst { /* Instruction */
|
|
struct f_inst *next; /* Structure is 16 bytes, anyway */
|
|
int code;
|
|
void *arg1, *arg2;
|
|
};
|
|
|
|
struct f_val {
|
|
int type;
|
|
union {
|
|
int i;
|
|
} val;
|
|
};
|
|
|
|
struct filter {
|
|
char *name;
|
|
struct f_inst *root;
|
|
};
|
|
|
|
void filters_postconfig(void);
|
|
struct f_inst *f_new_inst(void);
|
|
|
|
int f_run(struct filter *filter, struct rte *rtein, struct rte **rteout);
|
|
|
|
#define F_ACCEPT 1
|
|
#define F_REJECT 2
|
|
#define F_MODIFY 3
|
|
#define F_ERROR 4
|
|
#define F_QUITBIRD 5
|
|
|
|
/* Type numbers must be in 0..0xff range */
|
|
#define T_MASK 0xff
|
|
|
|
/* Internal types */
|
|
#define T_VOID 0
|
|
#define T_RETURN 1
|
|
|
|
/* User visible types, which fit in int */
|
|
#define T_INT 0x10
|
|
#define T_BOOL 0x11
|
|
#define T_PAIR 0x12
|
|
#define T_ENUM 0x13
|
|
|
|
/* Bigger ones */
|
|
#define T_IP 0x20
|
|
#define T_PREFIX 0x21
|
|
#define T_STRING 0x22
|
|
|
|
#define T_SET 0x80
|
|
|
|
#endif
|