modbus_server_security.c File Reference

Modbus/TCP security layer. More...

#include "core/net.h"
#include "modbus/modbus_server.h"
#include "modbus/modbus_server_security.h"
#include "debug.h"

Go to the source code of this file.

Macros
#define	TRACE_LEVEL   MODBUS_TRACE_LEVEL

Functions
error_t	modbusServerParseCertificate (TlsContext *tlsContext, const X509CertInfo *certInfo, uint_t pathLen, void *param)
	Parse client's certificate. More...
error_t	modbusServerParseRoleOid (ModbusClientConnection *connection, const uint8_t *data, size_t length)
	Parse client role OID. More...
error_t	modbusServerOpenSecureConnection (ModbusServerContext *context, ModbusClientConnection *connection)
	Open secure connection. More...
error_t	modbusServerEstablishSecureConnection (ModbusClientConnection *connection)
	Establish secure connection. More...

Variables
const uint8_t	MODBUS_ROLE_OID [11] = {0x2B, 0x06, 0x01, 0x04, 0x01, 0x83, 0x89, 0x0C, 0x86, 0x22, 0x01}

Detailed Description

Modbus/TCP security layer.

License

SPDX-License-Identifier: GPL-2.0-or-later

Copyright (C) 2010-2024 Oryx Embedded SARL. All rights reserved.

This file is part of CycloneTCP Open.

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 2 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, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

Author

Oryx Embedded SARL (www.oryx-embedded.com)

Version

2.4.4

Definition in file modbus_server_security.c.

Macro Definition Documentation

TRACE_LEVEL

#define TRACE_LEVEL   MODBUS_TRACE_LEVEL

Definition at line 32 of file modbus_server_security.c.

Function Documentation

modbusServerEstablishSecureConnection()

error_t modbusServerEstablishSecureConnection

(

ModbusClientConnection *

connection

)

Establish secure connection.

Parameters

[in]

connection

Pointer to the client connection

Returns

Error code

Definition at line 234 of file modbus_server_security.c.

modbusServerOpenSecureConnection()

error_t modbusServerOpenSecureConnection	(	ModbusServerContext *	context,
		ModbusClientConnection *	connection
	)

Open secure connection.

Parameters

[in]	context	Pointer to the Modbus/TCP server context
[in]	connection	Pointer to the client connection

Returns

Error code

Definition at line 159 of file modbus_server_security.c.

modbusServerParseCertificate()

error_t modbusServerParseCertificate	(	TlsContext *	tlsContext,
		const X509CertInfo *	certInfo,
		uint_t	pathLen,
		void *	param
	)

Parse client's certificate.

Parameters

[in]	tlsContext	Pointer to the TLS context
[in]	certInfo	Pointer to the X.509 certificate
[in]	pathLen	Certificate path length
[in]	param	Handle referencing a Modbus/TCP client connection

Returns

Error code

Definition at line 56 of file modbus_server_security.c.

modbusServerParseRoleOid()

error_t modbusServerParseRoleOid	(	ModbusClientConnection *	connection,
		const uint8_t *	data,
		size_t	length
	)

Parse client role OID.

Parameters

[in]	connection	Pointer to the client connection
[in]	data	Pointer to the ASN.1 structure to parse
[in]	length	Length of the ASN.1 structure

Returns

Error code

Definition at line 119 of file modbus_server_security.c.

Variable Documentation

MODBUS_ROLE_OID

const uint8_t MODBUS_ROLE_OID[11] = {0x2B, 0x06, 0x01, 0x04, 0x01, 0x83, 0x89, 0x0C, 0x86, 0x22, 0x01}

Definition at line 44 of file modbus_server_security.c.