sp_dynamic.h

著名的入侵检测系统snort的最新版本的源码

/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License Version 2 as
 * published by the Free Software Foundation.  You may not use, modify or
 * distribute this program under any other version of the GNU General
 * Public License.
 *
 * 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *
 * Copyright (C) 2005 Sourcefire Inc.
 *
 * Author: Steven Sturges
 *
 */

/* $Id$ */

#ifndef __SP_DYNAMIC_H_
#define __SP_DYNAMIC_H_

#include "sf_dynamic_engine.h"

typedef struct _DynamicData
{
    void *contextData;
    OTNCheckFunction checkFunction;
    OTNHasFunction hasFlowFunction;
    OTNHasFunction hasFlowbitFunction;
    int fpContentFlags;
    GetFPContentFunction fastPatternContents;
    OTNHasFunction hasContentFunction;
    OTNHasFunction hasByteTestFunction;
    OTNHasFunction hasPCREFunction;
} DynamicData;

void SetupDynamic(void);
int RegisterDynamicRule(u_int32_t gid, u_int32_t sid, void *info,
                        OTNCheckFunction chkFunc,
                        OTNHasFunction hasFlowFunc,
                        OTNHasFunction hasFlowbitFunc,
                        OTNHasFunction hasContentFunc,
                        OTNHasFunction hasByteTestFunc,
                        OTNHasFunction hasPCREFunc,
                        int fpContentFlags, GetFPContentFunction fpFunc);

u_int32_t DynamicFlowbitRegister(char *name, int op);
int DynamicFlowbitCheck(void *pkt, int op, u_int32_t id);
int DynamicAsn1Detect(void *pkt, void *ctxt, const u_int8_t *cursor);
int DynamicHasFlow(OptTreeNode *otn);
int DynamicHasFlowbit(OptTreeNode *otn);
int DynamicHasContent(OptTreeNode *otn);
int DynamicHasByteTest(OptTreeNode *otn);
int DynamicHasPCRE(OptTreeNode *otn);

#endif  /* __SP_DYNAMIC_H_ */