detect-cipservice.h

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/* Copyright (C) 2015-2022 Open Information Security Foundation
 *
 * You can copy, redistribute or modify this Program under the terms of
 * the GNU General Public License version 2 as published by the Free
 * Software Foundation.
 *
 * 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
 * version 2 along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301, USA.
 */
 
/**
 * \file
 *
 * \author Kevin Wong <kwong@solananetworks.com>
 */
 
#ifndef _DETECT_CIPSERVICE_H
#define _DETECT_CIPSERVICE_H
 
/**
 * CIP Service rule data structure
 */
typedef struct DetectCipServiceData_
{
    uint8_t cipservice;     /* cip service type */
    uint16_t cipclass;
    uint16_t cipattribute;
    uint8_t matchattribute; /* whether to match on attribute*/
    uint8_t tokens;         /* number of parameters*/
} DetectCipServiceData;
 
/**
 * ENIP Command rule data structure
 */
typedef struct DetectEnipCommandData_
{
    uint16_t enipcommand; /* enip command */
} DetectEnipCommandData;
 
void DetectCipServiceRegister(void);
void DetectEnipCommandRegister(void);
 
/**
 * link list node for storing CIP service data
 */
typedef struct CIPServiceData_
{
    uint8_t service; //cip service
    union
    {
        struct
        {
            uint8_t path_size; //cip path size
            uint16_t path_offset; //offset to cip path
        } request;
        struct
        {
            uint8_t status;
        } response;
    };
    struct CIPServiceData* next;
} CIPServiceData;
 
#endif  /* _DETECT_CIPSERVICE_H */