X-Git-Url: http://git.rot13.org/?p=goodfet;a=blobdiff_plain;f=client%2Fgoodfet.cc;h=20b04050e600bd305296c65cca16763609c14f5d;hp=2eac471bf9b5979621e590bf52a7fef3fac9491f;hb=760a463e7f47c3fa5b7c0c92d532562b04289b9a;hpb=76b4d84570c857b15515860e9906b005a35656be diff --git a/client/goodfet.cc b/client/goodfet.cc index 2eac471..20b0405 100755 --- a/client/goodfet.cc +++ b/client/goodfet.cc @@ -12,6 +12,80 @@ from GoodFETCC import GoodFETCC; from GoodFETConsole import GoodFETConsole; from intelhex import IntelHex; + +def printpacket(packet): + s=""; + i=0; + #print "Printing packet." + for foo in packet: + i=i+1; + #if i>packet[0]+1: break; + s="%s %02x" % (s,foo); + print "%s" %s; + +def handlesimplicitipacket(packet): + s=""; + i=0; + + for foo in packet: + i=i+1; + #if i>packet[0]+1: break; + s="%s %02x" % (s,foo); + print "\n%s" %s; + + + len=packet[0]; + if len<12: return; + + dst=[packet[1], + packet[2], + packet[3], + packet[4]]; + src=[packet[5], + packet[6], + packet[7], + packet[8]]; + port=packet[9]; + info=packet[10]; + seq=packet[11]; + #payload begins at byte 10. + + + if port==0x20: + #data packet + x=packet[11]; + y=packet[13]; + z=packet[15]; + print "%02x: %i %i %i" % (seq,x,y,z); + elif port==0x03: + #print "Join request."; + if packet[12]!=1: + print "Not a join request. WTF?"; + return; + tid=packet[13]; + reply=[0x12, #reply is one byte shorter + src[0], src[1], src[2], src[3], + 1,1,1,1, #my address + port, 0x21, seq, + 0x81, tid, #reply, tid + + 1,1,1,1, + #4,3,2,1, #default join token + #8,7,6,5, #default link token + #0xFF,0xFF,0xFF,0xFF, + 0x00]; #no security + printpacket(reply); + client.RF_txpacket(reply); + + elif port==0x04: + print "Security request."; + elif port==0x05: + print "Frequency request."; + elif port==0x06: + print "Management request."; + else: + print "Unknown Port %02x" %port; + if(len(sys.argv)==1): print "Usage: %s verb [objects]\n" % sys.argv[0]; print "%s erase" % sys.argv[0]; @@ -30,8 +104,11 @@ if(len(sys.argv)==1): print "%s peek 0x$iram" % sys.argv[0]; print "%s poke 0x$iram 0x$val" % sys.argv[0]; print "%s peekcode 0x$start [0x$stop]" % sys.argv[0]; - + print "\n" + print "%s rssi [freq]\n\tGraphs signal strength on [freq] Hz." % sys.argv[0]; print "%s carrier [freq]\n\tHolds a carrier on [freq] Hz." % sys.argv[0]; + print "%s reflex [freq]\n\tJams on [freq] Hz." % sys.argv[0]; + print "%s sniffsimpliciti [us|eu|lf]\n\tSniffs SimpliciTI packets." % sys.argv[0]; sys.exit(); @@ -45,25 +122,127 @@ client.setup(); client.start(); + if(sys.argv[1]=="carrier"): if len(sys.argv)>2: client.RF_setfreq(eval(sys.argv[2])); client.RF_carrier(); - #printconfig(); - #print "\nHolding a carrier wave."; while(1): time.sleep(1); -if(sys.argv[1]=="explore"): - print "Exploring undefined commands." - print "Status: %s" %client.status(); +if(sys.argv[1]=="reflex"): + client.CC1110_crystal(); + client.RF_idle(); + + client.config_simpliciti(); + + threshold=100; + if len(sys.argv)>2: + client.RF_setfreq(eval(sys.argv[2])); + print "Listening on %f MHz." % (client.RF_getfreq()/10**6); + print "Jamming if RSSI>=%i" % threshold; + + client.pokebyte(0xFE00,threshold,"xdata"); #Write threshold to shellcode. + client.shellcodefile("reflex.ihx"); + rssi=0; + while 1: + while(0==client.ishalted()): + rssi=0; + rssi=client.peek8(0xFE00,"xdata"); + print "Activated jamming with RSSI of %i, going again for another packet." % rssi; + #client.CCdebuginstr([0x02, 0xf0, 0x00]); #ljmp 0xF000 + client.resume(); + + RFST=0xDFE1 + client.CC_RFST_CAL(); #SCAL + time.sleep(1); - cmd=0x04; #read status - for foo in range(0,0x5): - client.CCcmd([(0x0F<<3)|(0x00)|0x03,0x09<<3]); - print "Status %02x: %s" % (foo,client.status()); - for foo in range(0,3): - print "PC: %04x" % client.CCgetPC(); + maxrssi=0; + while 1: + client.CC_RFST_RX(); #SRX + rssi=client.RF_getrssi(); + client.CC_RFST_IDLE(); #idle + time.sleep(0.01); + string=""; + for foo in range(0,rssi>>2): + string=("%s."%string); + print "%02x %04i %04i %s" % (rssi,rssi, maxrssi, string); + if rssi>maxrssi: + maxrssi=(rssi); + if rssi>threshold: + #print "Triggered jamming for 1s."; + client.RF_carrier(); + time.sleep(1); + print "JAMMING JAMMING JAMMING JAMMING"; +if(sys.argv[1]=="rssi"): + client.CC1110_crystal(); + client.RF_idle(); + + client.config_simpliciti(); + + if len(sys.argv)>2: + client.RF_setfreq(eval(sys.argv[2])); + print "Listening on %f MHz." % (client.RF_getfreq()/10.0**6); + + #FIXME, ugly + RFST=0xDFE1 + client.CC_RFST_CAL(); + time.sleep(1); + + while 1: + client.CC_RFST_RX(); + rssi=client.RF_getrssi(); + client.CC_RFST_IDLE(); #idle + time.sleep(0.01); + string=""; + for foo in range(0,rssi>>2): + string=("%s."%string); + print "%02x %04i %s" % (rssi,rssi, string); + +if(sys.argv[1]=="sniffsimpliciti"): + #TODO remove all poke() calls. + region="us"; + if len(sys.argv)>2: + region=sys.argv[2]; + + client.CC1110_crystal(); + client.RF_idle(); + + client.config_simpliciti(region); + + print "Listening as %x on %f MHz" % (client.RF_getsmac(), + client.RF_getfreq()/10.0**6); + #Now we're ready to get packets. + while 1: + packet=None; + while packet==None: + packet=client.RF_rxpacket(); + printpacket(packet); + sys.stdout.flush(); + +if(sys.argv[1]=="simpliciti"): + #TODO remove all poke() calls. + region="us"; + if len(sys.argv)>2: + region=sys.argv[2]; + + client.CC1110_crystal(); + client.RF_idle(); + + client.config_simpliciti(region); + + print "Listening as %x on %f MHz" % (client.RF_getsmac(), + client.RF_getfreq()/10.0**6); + #Now we're ready to get packets. + while 1: + packet=None; + while packet==None: + packet=client.RF_rxpacket(); + handlesimplicitipacket(packet); + sys.stdout.flush(); + + + if(sys.argv[1]=="term"): GoodFETConsole(client).run(); if(sys.argv[1]=="test"):