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script_5_modified_payload.lua

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rusefillc 2024-02-10 21:52:50 -05:00
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commit 950ccc0f8a
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OEM-Docs/VAG/2006-Passat-B6/HOWTO/script_5_modified_payload.lua Normal file
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-- scriptname script_5_modified_payload.lua
-- sometimes we want to cut a CAN bus and install rusEFI into that cut
-- https://en.wikipedia.org/wiki/Man-in-the-middle_attack
-- include misc-util.lua
-- endinclude
-- include PG35-CANbus-ids.lua
-- endinclude
-- this controls onCanRx rate as well!
setTickRate(100)
VEHICLE_BUS = 1
TCU_BUS = 2
totalVehicleMessages = 0
totalTcuMessages = 0
totalDropped = 0
totalReplaced = 0
function relayFromVehicleToTcu(bus, id, dlc, data)
totalVehicleMessages = totalVehicleMessages + 1
-- print('from ECU ' .. id .. " " .. arrayToString(data) .. " dropped=" .. totalDropped .. " replaced " .. totalReplaced)
if id < 0x7FF then
txCan(TCU_BUS, id, 0, data) -- relay non-TCU message to TCU
end
end
function relayFromTcuToVehicle(bus, id, dlc, data)
totalTcuMessages = totalTcuMessages + 1
if id < 0x7FF then
txCan(VEHICLE_BUS, id, 0, data) -- relay non-ECU message to ECU
end
end
counter440 = 0
function onTcu440(bus, id, dlc, data)
isShiftActive = getBitRange(data, 0, 1)
tcuError = getBitRange(data, 1, 1)
EGSRequirement = getBitRange(data, 7, 1)
counter440 = counter440 + 1
if counter440 % 40 == 0 then
print("TCU isShiftActive=" ..isShiftActive .." tcuError=" ..tcuError .." EGSRequirement=" ..EGSRequirement)
end
relayFromTcuToVehicle(bus, id, dlc, data)
end
canRxAdd(VEHICLE_BUS, Komf_1_912, relayFromVehicleToTcu)
canRxAdd(VEHICLE_BUS, ACC_GRA_Anzeige, relayFromVehicleToTcu)
canRxAdd(VEHICLE_BUS, GRA_Neu, relayFromVehicleToTcu)
canRxAdd(VEHICLE_BUS, Kombi_3, relayFromVehicleToTcu)
canRxAdd(VEHICLE_BUS, Soll_Verbauliste_neu, relayFromVehicleToTcu)
canRxAdd(VEHICLE_BUS, Systeminfo_1, relayFromVehicleToTcu)
canRxAdd(VEHICLE_BUS, Diagnose_1, relayFromVehicleToTcu) -- ?
canRxAdd(VEHICLE_BUS, BRAKE_1_416, relayFromVehicleToTcu)
canRxAdd(VEHICLE_BUS, BRAKE_2_1440, relayFromVehicleToTcu)
canRxAdd(VEHICLE_BUS, BRAKE_3_1184, relayFromVehicleToTcu)
canRxAdd(VEHICLE_BUS, BRAKE_5_1192, relayFromVehicleToTcu)
canRxAdd(VEHICLE_BUS, BRAKE_8_428, relayFromVehicleToTcu)
canRxAdd(VEHICLE_BUS, VWTP_OUT, relayFromVehicleToTcu)
canRxAdd(VEHICLE_BUS, VPTP_TCU, relayFromVehicleToTcu)
canRxAdd(VEHICLE_BUS, MOTOR_1, relayFromVehicleToTcu)
canRxAdd(VEHICLE_BUS, MOTOR_2, relayFromVehicleToTcu)
canRxAdd(VEHICLE_BUS, MOTOR_3, relayFromVehicleToTcu)
canRxAdd(VEHICLE_BUS, MOTOR_5, relayFromVehicleToTcu)
canRxAdd(VEHICLE_BUS, MOTOR_6, relayFromVehicleToTcu)
canRxAdd(VEHICLE_BUS, MOTOR_7, relayFromVehicleToTcu)
canRxAdd(VEHICLE_BUS, Motor_Flexia, relayFromVehicleToTcu)
canRxAdd(TCU_BUS, VWTP_IN, relayFromTcuToVehicle)
canRxAdd(TCU_BUS, VWTP_TESTER, relayFromTcuToVehicle)
canRxAdd(TCU_BUS, TCU_1344_540, relayFromTcuToVehicle)
canRxAdd(TCU_BUS, TCU_1352_548, relayFromTcuToVehicle)
canRxAdd(TCU_BUS, TCU_1088_440, onTcu440)
-- count what do we drop
canRxAddMask(VEHICLE_BUS, 0, 0, silentDrop)
canRxAddMask(TCU_BUS, 0, 0, printAndDrop)
everySecondTimer = Timer.new()
function onTick()
if everySecondTimer:getElapsedSeconds() > 1 then
everySecondTimer:reset()
print("Total from vehicle " .. totalVehicleMessages .. " from TCU " .. totalTcuMessages .. " dropped=" .. totalDropped .. " replaced " .. totalReplaced)
end
end