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filter.h
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/* This file is a part of groinc
*
* Copyright (C) 2006, 2007 Sarzyniec Luc <[email protected]>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* see the COPYING file for more informations */
#ifndef _FILTER_H
#define _FILTER_H
#include <asm/types.h>
#include "network/headers.h"
#define FLT_ERROR -1
struct linked_list_flt_value
{
int (*func_flt)(struct protocol_header *datalink_layerph, struct protocol_header *network_layerph, struct protocol_header *transport_layerph, struct data *datagram, __u8 *val);
void (*func_free)(__u8 *val);
__u8 *val;
};
int filter_string(char *data);
int filter(struct protocol_header *datalink_layerph,struct protocol_header *network_layerph,struct protocol_header *transport_layerph,struct data *datagram);
int flt_dl_mac_src(struct protocol_header *, struct protocol_header *, struct protocol_header *, struct data *, __u8 *flt_val);
int flt_dl_mac_dst(struct protocol_header *, struct protocol_header *, struct protocol_header *, struct data *, __u8 *flt_val);
int flt_nl_ip_src(struct protocol_header *, struct protocol_header *, struct protocol_header *, struct data *, __u8 *flt_val);
int flt_nl_ip_dst(struct protocol_header *, struct protocol_header *, struct protocol_header *, struct data *, __u8 *flt_val);
int flt_nl_ip_global(struct protocol_header *, struct protocol_header *, struct protocol_header *, struct data *, __u8 *flt_val);
int flt_tl_port_src(struct protocol_header *, struct protocol_header *, struct protocol_header *, struct data *, __u8 *flt_val);
int flt_tl_port_dst(struct protocol_header *, struct protocol_header *, struct protocol_header *, struct data *, __u8 *flt_val);
int flt_tl_port_global(struct protocol_header *, struct protocol_header *, struct protocol_header *, struct data *, __u8 *flt_val);
int flt_dl_protocol(struct protocol_header *, struct protocol_header *, struct protocol_header *, struct data *, __u8 *flt_val);
int flt_nl_protocol(struct protocol_header *, struct protocol_header *, struct protocol_header *, struct data *, __u8 *flt_val);
int flt_tl_protocol(struct protocol_header *, struct protocol_header *, struct protocol_header *, struct data *, __u8 *flt_val);
int flt_regex(struct protocol_header *, struct protocol_header *, struct protocol_header *, struct data *, __u8 *flt_val);
void flt_regex_free(__u8 *flt_val);
int flt_string(struct protocol_header *, struct protocol_header *, struct protocol_header *, struct data *, __u8 *flt_val);
int flt_sl_nempty(struct protocol_header *, struct protocol_header *, struct protocol_header *, struct data *, __u8 *flt_val);
int flt_dontdisplaypackets(struct protocol_header *, struct protocol_header *, struct protocol_header *, struct data *, __u8 *flt_val);
#endif