Commit Graph

3 Commits (def2b58725e6876abecceccecb096ba005eb34bc)

Author SHA1 Message Date
Victor Julien 840efe17fe modbus: tx de_state 11 years ago
Victor Julien 97cab030d7 modbus: shrink data structure 11 years ago
DIALLO David 5a0409959f App-layer: Add Modbus protocol parser
Decode Modbus request and response messages, and extracts
MODBUS Application Protocol header and the code function.

In case of read/write function, extracts message contents
(read/write address, quantity, count, data to write).

Links request and response messages in a transaction according to
Transaction Identifier (transaction management based on DNS source code).

MODBUS Messaging on TCP/IP Implementation Guide V1.0b
(http://www.modbus.org/docs/Modbus_Messaging_Implementation_Guide_V1_0b.pdf)
MODBUS Application Protocol Specification V1.1b3
(http://www.modbus.org/docs/Modbus_Application_Protocol_V1_1b3.pdf)

Based on DNS source code.

Signed-off-by: David DIALLO <diallo@et.esia.fr>
11 years ago