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eniplg-protocol.pac
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eniplg-protocol.pac
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# SPDX-FileCopyrightText: 2020 Kaelan Thijs Fouwels <[email protected]>
#
# SPDX-License-Identifier: MIT
enum command_codes {
NOP = 0x00,
LIST_SERVICES = 0x04,
LIST_IDENTITY = 0x63,
LIST_INTERFACES = 0x64,
REGISTER_SESSION = 0x65,
UNREGISTER_SESSION = 0x66,
SEND_RR_DATA = 0x6F,
SEND_UNIT_DATA = 0x70,
INDICATE_STATUS = 0x72,
CANCEL = 0x73,
# Other values are Reserved for future usage or Reserved for legacy
};
type PDU(is_orig: bool) = record {
header: Header;
body: case is_orig of {
true -> request : Request(header);
false -> response : Response(header);
};
} &byteorder=littleendian &length = 24 + header.length;
type Header = record {
command : uint16; # Command identifier
length : uint16; # Length of body
session_handle : uint32; # Session handle
status : uint32; # Status
sender_context : uint64; # Sender context
options : uint32; # Option flags
} &let {
handle: bool = $context.flow.header(this);
} &byteorder=littleendian;
type Request(header: Header) = record {
data : case(header.command) of {
LIST_SERVICES -> list_services : List_Services_Request(header);
LIST_IDENTITY -> list_identity : List_Identity_Request(header);
LIST_INTERFACES -> list_interfaces : List_Interfaces_Request(header);
REGISTER_SESSION -> register_session : Register_Session_Request(header);
NOP -> nop : Nop(header);
UNREGISTER_SESSION -> unregister_session : UnRegister_Session(header);
SEND_RR_DATA -> send_rr_data : Send_RR_Data(header);
SEND_UNIT_DATA -> send_unit_data : Send_Unit_Data(header);
INDICATE_STATUS -> indicate_status : Indicate_Status_Request(header);
CANCEL -> cancel : Cancel_Request(header);
default -> unrecognized : Unrecognized_Request(header);
};
} &byteorder=littleendian;
type Response(header: Header) = record {
data: case(header.command) of {
LIST_SERVICES -> list_services : List_Services_Response(header);
LIST_IDENTITY -> list_identity : List_Identity_Response(header);
LIST_INTERFACES -> list_interfaces : List_Interfaces_Response(header);
REGISTER_SESSION -> register_session : Register_Session_Response(header);
UNREGISTER_SESSION -> unregister_session : UnRegister_Session(header);
SEND_RR_DATA -> sendrr_data : Send_RR_Data(header);
SEND_UNIT_DATA -> send_unit_data : Send_Unit_Data(header);
INDICATE_STATUS -> indicate_status : Indicate_Status_Response(header);
CANCEL -> cancel : Cancel_Response(header);
default -> unrecognized : Unrecognized_Response(header);
};
} &byteorder=littleendian;
# Body
type Nop(header: Header) = record {
# None
} &let {
handle: bool = $context.flow.nop(header, this);
} &byteorder=littleendian;
type List_Services_Request(header: Header) = record {
# None
} &let {
handle: bool = $context.flow.list_services_request(header, this);
} &byteorder=littleendian;
type List_Services_Response(header: Header) = record {
item_count : uint16;
items : bytestring &restofdata;
} &let {
handle: bool = $context.flow.list_services_response(header, this);
} &byteorder=littleendian;
type List_Identity_Request(header: Header) = record {
# None
} &let {
handle: bool = $context.flow.list_identity_request(header, this);
} &byteorder=littleendian;
type Sock_Info = record {
sin_family : int16;
sin_port : uint16;
sin_addr : uint32;
sin_zero : uint8[8];
} &byteorder=bigendian;
# Limitation: Assumes item_count of 1.
type List_Identity_Response(header: Header) = record {
item_count : uint16;
type_id : uint16;
length : uint16;
encap_version : uint16;
sock_info : Sock_Info;
vendor : uint16;
device_type : uint16;
product_code : uint16;
revision : uint16;
status : uint16;
serial_number : uint32;
product_name_len : uint8;
product_name : bytestring &length=product_name_len;
state : uint8;
} &let {
handle: bool = $context.flow.list_identity_response(header, this);
} &byteorder=littleendian;
type List_Interfaces_Request(header: Header) = record {
# None
} &let {
handle: bool = $context.flow.list_interfaces_request(header, this);
} &byteorder=littleendian;
type List_Interfaces_Response(header: Header) = record {
item_count : uint16;
items : bytestring &restofdata;
} &let {
handle: bool = $context.flow.list_interfaces_response(header, this);
} &byteorder=littleendian;
type Register_Session_Request(header: Header) = record {
protocol_version : uint16;
options_flags : uint16;
} &let {
handle: bool = $context.flow.register_session_request(header, this);
} &byteorder=littleendian;
type Register_Session_Response(header: Header) = record {
protocol_version : uint16;
options_flags : uint16;
} &let {
handle: bool = $context.flow.register_session_response(header, this);
} &byteorder=littleendian;
type Send_RR_Data(header: Header) = record {
interface_handle : uint32;
timeout : uint16;
encapsulated_packet : bytestring &restofdata;
} &let {
handle: bool = $context.flow.send_rr_data(header, this);
} &byteorder=littleendian;
type Send_Unit_Data(header: Header) = record {
interface_handle : uint32;
timeout : uint16;
encapsulated_packet : bytestring &restofdata;
} &let {
handle: bool = $context.flow.send_unit_data(header, this);
} &byteorder=littleendian;
type UnRegister_Session(header: Header) = record {
# None
} &let {
handle: bool = $context.flow.unregister_session(header, this);
} &byteorder=littleendian;
type Indicate_Status_Request(header: Header) = record {
# None
} &let {
handle: bool = $context.flow.indicate_status_request(header, this);
} &byteorder=littleendian;
type Indicate_Status_Response(header: Header) = record {
# None
} &let {
handle: bool = $context.flow.indicate_status_response(header, this);
} &byteorder=littleendian;
type Cancel_Request(header: Header) = record {
# None
} &let {
handle: bool = $context.flow.cancel_request(header, this);
} &byteorder=littleendian;
type Cancel_Response(header: Header) = record {
# None
} &let {
handle: bool = $context.flow.cancel_response(header, this);
} &byteorder=littleendian;
type Unrecognized_Request(header: Header) = record {
# None
} &let {
handle: bool = $context.flow.unrecognized_request(header, this);
} &byteorder=littleendian;
type Unrecognized_Response(header: Header) = record {
# None
} &let {
handle: bool = $context.flow.unrecognized_response(header, this);
} &byteorder=littleendian;