X-Git-Url: http://git.rot13.org/?p=goodfet;a=blobdiff_plain;f=client%2Fgoodfet.cc;h=a7a049499f49aaee735c5a34d9f023767357aeb5;hp=ac5c6aad87d0de0c8f2600dfc95b7c03de8b2665;hb=d0498df7bc06959a19fe1ef2c4fc066dd8d68c92;hpb=4e3844b68525ad592ca81e19c3f314969bb4ccaf diff --git a/client/goodfet.cc b/client/goodfet.cc index ac5c6aa..a7a0494 100755 --- a/client/goodfet.cc +++ b/client/goodfet.cc @@ -18,10 +18,93 @@ def printpacket(packet): i=0; for foo in packet: i=i+1; - #if i>client.packetlen: break; - s="%s %02x" % (s,ord(foo)); - print "%s" %s; + s="%s %02x" % (s,foo); + print "# %s" %s; +simplepacketcount=0; +def handlesimplicitipacket(packet): + s=""; + i=0; + global simplepacketcount; + simplepacketcount=simplepacketcount+1; + + 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 packet[len+2]&0x80==0: + print "# Dropped broken packet."; + elif port==0x20: + #data packet + counter=packet[11]; + button=packet[12]; + x=packet[13]; + y=packet[14]; + z=packet[15]; + print "%09i %03i %4i %4i %4i" % (simplepacketcount,button,x,y,z); + sys.stdout.flush(); + elif port==0x02: + #Link request. Gotta send a proper reply to get data. + tid=packet[13]; + #14 ff ff ff ff 3c b7 e3 98 + #02 03 c9 + #01 97 + #ef be ad de 3d 00 02 + reply=[0x10, + src[0], src[1], src[2], src[3], + 0x78,0x56,0x34,0x10, #my address. + port, 0x21, seq, + 0x81, tid, #reply, tid + + 0x20,0x00,0xad,0xde, #Join token + 0x00]; #no security + printpacket(reply); + print "#FIXME FAST: repeatedly broadcasting ACK to catch LINK on the next attempt."; + for foo in range(1,50): + client.RF_txpacket(reply); + + pass; + 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], + 0x78,0x56,0x34,0x10, #my address. + port, 0x21, seq, + 0x81, tid, #reply, tid + + 0xef,0xbe,0xad,0xde, #Join token + 0x00]; #no security + printpacket(reply); + print "#FIXME FAST: repeatedly broadcasting ACK to catch JOIN on the next attempt."; + for foo in range(1,50): + client.RF_txpacket(reply); + #printpacket(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]; @@ -40,7 +123,7 @@ 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]; @@ -63,8 +146,6 @@ 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); @@ -73,35 +154,30 @@ if(sys.argv[1]=="reflex"): client.RF_idle(); client.config_simpliciti(); - client.pokebysym("MDMCFG4", 0x0c); #ultrawide - client.pokebysym("FSCTRL1", 0x12); #IF of 457.031 - client.pokebysym("FSCTRL0", 0x00); - client.pokebysym("FSCAL2" , 0x2A); #above mid - client.pokebysym("MCSM0" , 0x00); # Main Radio Control State Machine - - client.pokebysym("FSCAL3" , 0xEA) # Frequency synthesizer calibration. - client.pokebysym("FSCAL2" , 0x2A) # Frequency synthesizer calibration. - client.pokebysym("FSCAL1" , 0x00) # Frequency synthesizer calibration. - client.pokebysym("FSCAL0" , 0x1F) # Frequency synthesizer calibration. - - client.pokebysym("TEST2" , 0x88) # Various test settings. - client.pokebysym("TEST1" , 0x35) # Various test settings. - client.pokebysym("TEST0" , 0x09) # Various test settings. - threshold=200; + 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; - #FIXME, ugly + 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); maxrssi=0; while 1: - client.CC_RFST_RX(); #SRX rssi=client.RF_getrssi(); client.CC_RFST_IDLE(); #idle @@ -123,10 +199,9 @@ if(sys.argv[1]=="rssi"): client.config_simpliciti(); - threshold=200; if len(sys.argv)>2: client.RF_setfreq(eval(sys.argv[2])); - print "Listening on %f MHz." % (client.RF_getfreq()/10**6); + print "Listening on %f MHz." % (client.RF_getfreq()/10.0**6); #FIXME, ugly RFST=0xDFE1 @@ -145,48 +220,48 @@ if(sys.argv[1]=="rssi"): 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); - client.config_simpliciti("lf"); - #client.RF_setfreq(2481 * 10**6); - - #OpenBeacon defines these in little endian as follows. - #client.RF_setmaclen(5); # SETUP_AW for 5-byte addresses. - #0x01, 0x02, 0x03, 0x02, 0x01 - #client.RF_setsmac(0x0102030201); - #'O', 'C', 'A', 'E', 'B' - #client.RF_settmac(0x424541434F); + 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]; - #Set packet length of 16. - #client.RF_setpacketlen(16); + client.CC1110_crystal(); + client.RF_idle(); + client.config_simpliciti(region); - print "Listening as %010x on %i MHz" % (client.RF_getsmac(), - client.RF_getfreq()/10**6); + 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: - #time.sleep(0.1); packet=client.RF_rxpacket(); - printpacket(packet); + handlesimplicitipacket(packet); sys.stdout.flush(); -if(sys.argv[1]=="explore"): - print "Exploring undefined commands." - print "Status: %s" %client.status(); - - 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(); if(sys.argv[1]=="term"): GoodFETConsole(client).run(); if(sys.argv[1]=="test"):