#include "decode.h"
#include "detect-engine-state.h"
#include "queue.h"

Include dependency graph for app-layer-modbus.h:

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Data Structures
struct	ModbusTransaction_

struct	ModbusState_

Macros
#define	MODBUS_CAT_NONE 0x0

#define	MODBUS_CAT_PUBLIC_ASSIGNED (1<<0)

#define	MODBUS_CAT_PUBLIC_UNASSIGNED (1<<1)

#define	MODBUS_CAT_USER_DEFINED (1<<2)

#define	MODBUS_CAT_RESERVED (1<<3)

#define	MODBUS_CAT_ALL 0xFF

#define	MODBUS_TYP_NONE 0x0

#define	MODBUS_TYP_ACCESS_MASK 0x03

#define	MODBUS_TYP_READ (1<<0)

#define	MODBUS_TYP_WRITE (1<<1)

#define	MODBUS_TYP_ACCESS_FUNCTION_MASK 0x3C

#define	MODBUS_TYP_BIT_ACCESS_MASK 0x0C

#define	MODBUS_TYP_DISCRETES (1<<2)

#define	MODBUS_TYP_COILS (1<<3)

#define	MODBUS_TYP_WORD_ACCESS_MASK 0x30

#define	MODBUS_TYP_INPUT (1<<4)

#define	MODBUS_TYP_HOLDING (1<<5)

#define	MODBUS_TYP_SINGLE (1<<6)

#define	MODBUS_TYP_MULTIPLE (1<<7)

#define	MODBUS_TYP_WRITE_SINGLE (MODBUS_TYP_WRITE \| MODBUS_TYP_SINGLE)

#define	MODBUS_TYP_WRITE_MULTIPLE (MODBUS_TYP_WRITE \| MODBUS_TYP_MULTIPLE)

#define	MODBUS_TYP_READ_WRITE_MULTIPLE (MODBUS_TYP_READ \| MODBUS_TYP_WRITE \| MODBUS_TYP_MULTIPLE)

#define	MODBUS_FUNC_NONE 0x00

Typedefs
typedef struct ModbusTransaction_	ModbusTransaction

typedef struct ModbusState_	ModbusState

Enumerations
enum	{ MODBUS_DECODER_EVENT_INVALID_PROTOCOL_ID, MODBUS_DECODER_EVENT_UNSOLICITED_RESPONSE, MODBUS_DECODER_EVENT_INVALID_LENGTH, MODBUS_DECODER_EVENT_INVALID_UNIT_IDENTIFIER, MODBUS_DECODER_EVENT_INVALID_FUNCTION_CODE, MODBUS_DECODER_EVENT_INVALID_VALUE, MODBUS_DECODER_EVENT_INVALID_EXCEPTION_CODE, MODBUS_DECODER_EVENT_VALUE_MISMATCH, MODBUS_DECODER_EVENT_FLOODED }

Functions
void	RegisterModbusParsers (void)
	Function to register the Modbus protocol parsers and other functions. More...

void	ModbusParserRegisterTests (void)

Detailed Description

Author: David DIALLO diall.nosp@m.o@et.nosp@m..esie.nosp@m.a.fr

Definition in file app-layer-modbus.h.

Macro Definition Documentation

◆ MODBUS_CAT_ALL

#define MODBUS_CAT_ALL 0xFF

Definition at line 62 of file app-layer-modbus.h.

◆ MODBUS_CAT_NONE

#define MODBUS_CAT_NONE 0x0

Definition at line 57 of file app-layer-modbus.h.

◆ MODBUS_CAT_PUBLIC_ASSIGNED

#define MODBUS_CAT_PUBLIC_ASSIGNED (1<<0)

Definition at line 58 of file app-layer-modbus.h.

◆ MODBUS_CAT_PUBLIC_UNASSIGNED

#define MODBUS_CAT_PUBLIC_UNASSIGNED (1<<1)

Definition at line 59 of file app-layer-modbus.h.

◆ MODBUS_CAT_RESERVED

#define MODBUS_CAT_RESERVED (1<<3)

Definition at line 61 of file app-layer-modbus.h.

◆ MODBUS_CAT_USER_DEFINED

#define MODBUS_CAT_USER_DEFINED (1<<2)

Definition at line 60 of file app-layer-modbus.h.

◆ MODBUS_FUNC_NONE

#define MODBUS_FUNC_NONE 0x00

Definition at line 83 of file app-layer-modbus.h.

◆ MODBUS_TYP_ACCESS_FUNCTION_MASK

#define MODBUS_TYP_ACCESS_FUNCTION_MASK 0x3C

Definition at line 69 of file app-layer-modbus.h.

◆ MODBUS_TYP_ACCESS_MASK

#define MODBUS_TYP_ACCESS_MASK 0x03

Definition at line 66 of file app-layer-modbus.h.

◆ MODBUS_TYP_BIT_ACCESS_MASK

#define MODBUS_TYP_BIT_ACCESS_MASK 0x0C

Definition at line 70 of file app-layer-modbus.h.

◆ MODBUS_TYP_COILS

#define MODBUS_TYP_COILS (1<<3)

Definition at line 72 of file app-layer-modbus.h.

◆ MODBUS_TYP_DISCRETES

#define MODBUS_TYP_DISCRETES (1<<2)

Definition at line 71 of file app-layer-modbus.h.

◆ MODBUS_TYP_HOLDING

#define MODBUS_TYP_HOLDING (1<<5)

Definition at line 75 of file app-layer-modbus.h.

◆ MODBUS_TYP_INPUT

#define MODBUS_TYP_INPUT (1<<4)

Definition at line 74 of file app-layer-modbus.h.

◆ MODBUS_TYP_MULTIPLE

#define MODBUS_TYP_MULTIPLE (1<<7)

Definition at line 77 of file app-layer-modbus.h.

◆ MODBUS_TYP_NONE

#define MODBUS_TYP_NONE 0x0

Definition at line 65 of file app-layer-modbus.h.

◆ MODBUS_TYP_READ

#define MODBUS_TYP_READ (1<<0)

Definition at line 67 of file app-layer-modbus.h.

◆ MODBUS_TYP_READ_WRITE_MULTIPLE

#define MODBUS_TYP_READ_WRITE_MULTIPLE (MODBUS_TYP_READ | MODBUS_TYP_WRITE | MODBUS_TYP_MULTIPLE)

Definition at line 80 of file app-layer-modbus.h.

◆ MODBUS_TYP_SINGLE

#define MODBUS_TYP_SINGLE (1<<6)

Definition at line 76 of file app-layer-modbus.h.

◆ MODBUS_TYP_WORD_ACCESS_MASK

#define MODBUS_TYP_WORD_ACCESS_MASK 0x30

Definition at line 73 of file app-layer-modbus.h.

◆ MODBUS_TYP_WRITE

#define MODBUS_TYP_WRITE (1<<1)

Definition at line 68 of file app-layer-modbus.h.

◆ MODBUS_TYP_WRITE_MULTIPLE

#define MODBUS_TYP_WRITE_MULTIPLE (MODBUS_TYP_WRITE | MODBUS_TYP_MULTIPLE)

Definition at line 79 of file app-layer-modbus.h.

◆ MODBUS_TYP_WRITE_SINGLE

#define MODBUS_TYP_WRITE_SINGLE (MODBUS_TYP_WRITE | MODBUS_TYP_SINGLE)

Definition at line 78 of file app-layer-modbus.h.

Typedef Documentation

◆ ModbusState

typedef struct ModbusState_ ModbusState

◆ ModbusTransaction

typedef struct ModbusTransaction_ ModbusTransaction

Enumeration Type Documentation

◆ anonymous enum

anonymous enum

Enumerator
MODBUS_DECODER_EVENT_INVALID_PROTOCOL_ID
MODBUS_DECODER_EVENT_UNSOLICITED_RESPONSE
MODBUS_DECODER_EVENT_INVALID_LENGTH
MODBUS_DECODER_EVENT_INVALID_UNIT_IDENTIFIER
MODBUS_DECODER_EVENT_INVALID_FUNCTION_CODE
MODBUS_DECODER_EVENT_INVALID_VALUE
MODBUS_DECODER_EVENT_INVALID_EXCEPTION_CODE
MODBUS_DECODER_EVENT_VALUE_MISMATCH
MODBUS_DECODER_EVENT_FLOODED

Definition at line 43 of file app-layer-modbus.h.

Function Documentation

◆ ModbusParserRegisterTests()

void ModbusParserRegisterTests ( void )

Definition at line 3052 of file app-layer-modbus.c.

References UtRegisterTest().

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◆ RegisterModbusParsers()

void RegisterModbusParsers ( void )

Function to register the Modbus protocol parsers and other functions.

Definition at line 1490 of file app-layer-modbus.c.

References ALPROTO_MODBUS, AppLayerProtoDetectConfProtoDetectionEnabled(), AppLayerProtoDetectPPRegister(), AppLayerProtoDetectRegisterProtocol(), RunmodeIsUnittests(), SCEnter, and STREAM_TOSERVER.

Referenced by AppLayerParserRegisterProtocolParsers().