NetBSD/lib/libnpf/npf.h

99 lines
3.3 KiB
C

/* $NetBSD: npf.h,v 1.1 2011/02/02 02:20:25 rmind Exp $ */
/*-
* Copyright (c) 2011 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This material is based upon work partially supported by The
* NetBSD Foundation under a contract with Mindaugas Rasiukevicius.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _NPF_LIB_H_
#define _NPF_LIB_H_
#include <sys/types.h>
#include <net/npf.h>
#ifdef _NPF_TESTING
#include "testing.h"
#endif
__BEGIN_DECLS
struct nl_config;
struct nl_rule;
struct nl_rproc;
struct nl_table;
typedef struct nl_config nl_config_t;
typedef struct nl_rule nl_rule_t;
typedef struct nl_rproc nl_rproc_t;
typedef struct nl_table nl_table_t;
typedef struct nl_rule nl_nat_t;
#define NPF_CODE_NCODE 1
#define NPF_CODE_BPF 2
#define NPF_PRI_NEXT (-1)
#define NPF_MAX_TABLE_ID (16)
nl_config_t * npf_config_create(void);
int npf_config_submit(nl_config_t *, int);
void npf_config_destroy(nl_config_t *);
nl_rule_t * npf_rule_create(const char *, uint32_t, u_int);
int npf_rule_setcode(nl_rule_t *, int, const void *, size_t);
int npf_rule_setproc(nl_config_t *, nl_rule_t *, const char *);
bool npf_rule_exists_p(nl_config_t *, const char *);
int npf_rule_insert(nl_config_t *, nl_rule_t *, nl_rule_t *, pri_t);
void npf_rule_destroy(nl_rule_t *);
nl_rproc_t * npf_rproc_create(const char *);
bool npf_rproc_exists_p(nl_config_t *, const char *);
int npf_rproc_insert(nl_config_t *, nl_rproc_t *);
#ifdef _NPF_PRIVATE
int _npf_rproc_setnorm(nl_rproc_t *, bool, bool, int, int);
int _npf_rproc_setlog(nl_rproc_t *, u_int);
#endif
nl_nat_t * npf_nat_create(int, int, u_int, npf_addr_t *, int, in_port_t);
int npf_nat_insert(nl_config_t *, nl_nat_t *, pri_t);
nl_table_t * npf_table_create(int, int);
int npf_table_add_entry(nl_table_t *, in_addr_t, in_addr_t);
bool npf_table_exists_p(nl_config_t *, u_int);
int npf_table_insert(nl_config_t *, nl_table_t *);
void npf_table_destroy(nl_table_t *);
int npf_update_rule(int, char *, nl_rule_t *);
int npf_sessions_send(int, const char *);
int npf_sessions_recv(int, const char *);
__END_DECLS
#endif /* _NPF_LIB_H_ */