"TX_ADDR",
"RX_PW_P0","RX_PW_P1","RX_PW_P2","RX_PW_P3","RX_PW_P4","RX_PW_P5",
"FIFO_STATUS","?",
- "?","?","DYNPD","?","?","?","?","?",
+ "?","?","?","DYNPD","FEATURE","AGC_CONFIG","?","?",
"?","?","?","?","?","?","?","?"];
def printpacket(packet):
i=i+1;
if i>client.packetlen: break;
s="%s %02x" % (s,ord(foo));
- print "%s" %s;
+ print "%s" % s;
def printconfig():
print "Encoding %s" % client.RF_getenc();
print "%s info" % sys.argv[0];
print "%s test" % sys.argv[0];
print "%s regs" % sys.argv[0];
+ print "%s regbits" % sys.argv[0];
print "%s pyregs" % sys.argv[0];
-
+ print "";
print "%s sniff\n\tSniffs packets by current config." % sys.argv[0];
print "%s sniffob\n\tSniffs OpenBeacon traffic." % sys.argv[0];
print "%s snifftp\n\tSniffs Turning Point Clicker traffic." % sys.argv[0];
- print "%s snifftp\n\tSniffs SparkFun Dongle traffic." % sys.argv[0];
+ print "%s sniffsf\n\tSniffs SparkFun Dongle traffic." % sys.argv[0];
+ print "";
+ print "%s sniffprom [0xaa|0x55]\n\tSniffs promiscuously for a preamble of 0xAA or 0x55" % sys.argv[0];
+ print "%s autotune\n\tSearches for a valid destination address." % sys.argv[0];
+ print "";
+ print "%s sniffskybrake\n\tSniffs skybrake. [broken?]" % sys.argv[0];
+ print "%s sniffmskb\n\tSniffs MS KB. [broken?]" % sys.argv[0];
+
print "%s hosttp\n\tHosts Turning Point Clicker traffic." % sys.argv[0];
printpacket(packet);
sys.stdout.flush();
+if(sys.argv[1]=="regbits"):
+ print "Scanning registers to determine which bits are valid."
+ regbits=range(0,0x30);
+ for r in range(0,0x30):
+ old=client.peek(r);
+ #Which bits can be set?
+ client.poke(r,0xFF);
+ ones=client.peek(r);
+ #Which bits can be clear?
+ client.poke(r,0x00);
+ zeroes=client.peek(r);
+ regbits[r]=(ones & (~zeroes));
+ for r in range(0,0x30):
+ if regbits[r]!=0:
+ print "r[0x%02x] masked %02x // %s" % (r,regbits[r], regnames[r]);
+if(sys.argv[1]=="sniffprom"):
+ #Reversal of transmitter code from nRF_CMD.c of OpenBeacon
+ #TODO remove all poke() calls.
+
+ client.poke(0x00,0x00); #Stop nRF
+ client.poke(0x01,0x00); #Disable Shockburst
+ client.poke(0x02,0x01); #Set RX Pipe 0
+
+ #client.RF_setfreq(2481 * 10**6);
+ #client.poke(0x06,0x09); #2MBps, -18dBm in RF_SETUP
+ client.poke(0x07,0x78); #Reset status register
+
+ #OpenBeacon defines these in little endian as follows.
+ client.RF_setmaclen(2); # SETUP_AW for shortest
+
+ #It's better to have a known fragment, when one is available.
+ #client.RF_setsmac(0x00AA);
+ #client.RF_setsmac(0x0055);
+
+ #Should end in 55 or AA depending upon the packet.
+ tail=0x55
+ if(len(sys.argv)>2):
+ tail=int(sys.argv[2],16);
+ else:
+ print "Please specify a tail of 0xAA or 0x55.";
+ sys.exit(1);
+ client.RF_setsmac(tail);
+
+ #Longest length.
+ client.RF_setpacketlen(32);
+
+ #Power radio, prime for RX, no checksum
+ client.poke(0x00,0x70|0x03); #0x08 for checksum, 0x04 for two.
+
+ print "Listening as %010x on %i MHz" % (client.RF_getsmac(),
+ client.RF_getfreq()/10**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);
+ sys.stdout.flush();
+
+class AutoTuner():
+ """This guesses addresses by searching through packets."""
+ addresses={};
+ client=None;
+
+ #Limits on search space, because you usually know what you're looking for.
+ rate=False;
+ chan=False;
+ sync=False;
+ def init(self,goodfet,
+ rate=True,chan=True,sync=True):
+ """Initializes a link to the GoodFET for autotuning."""
+ self.client=goodfet;
+ self.rate=rate;
+ self.chan=chan;
+ self.sync=sync;
+ return;
+ def packetaddr(self,packet):
+ """Returns a loaded packet address, including channel and rate."""
+
+ sync=self.client.RF_getsmac()&0xFF;
+
+ mac="";
+ #MAC,RF_CH,RATE
+ for i in range(0,5):
+ mac="%s%02x" % (mac,ord(packet[i]));
+ ch=self.client.peek(0x05);
+ rate=self.client.peek(0x06);
+ return "%02x,%s,%02x,%02x" % (
+ sync,mac,ch,rate);
+ def validmac(self,packet):
+ sync=self.client.RF_getsmac()&0xFF;
+ if (ord(packet[0])&0x80)^(sync&0x80):
+ #print "%02x%02x invalid entry." % (sync,ord(packet[0]));
+ return False;
+ return True;
+
+ def handle(self,packet):
+ """Handles a packet."""
+ #printpacket(packet);
+ if not self.validmac(packet):
+ #print "Dropped packet:";
+ #printpacket(packet);
+ return;
+ addr=self.packetaddr(packet);
+
+ #Increment the address count.
+ count=0;
+ try:
+ count=self.addresses[addr];
+ except:
+ pass;
+ self.addresses[addr]=count+1;
+ rate=count*1.0/len(self.addresses);
+ if self.addresses[addr]>1 or rate>0.01:
+ print "'%s' looks valid\t%i\t%0.5f" % (
+ addr,count,rate);
+ return;
+ tunecount=0;
+ def retune(self):
+ """Tunes to another channel or preamble looking for the next packet."""
+ count=self.tunecount;
+ self.tunecount=count+1;
+
+ #Swap the SYNC value most often.
+ if self.sync:
+ sync=0xAA;
+ if count&1:
+ sync=0x55;
+ self.client.RF_setsmac(sync);
+ count=(count>>1);
+
+ if self.rate:
+ #Then the data rate.
+ rate=0;
+
+ #This swaps between 1Mbps and 2Mbps.
+ #TODO add support for 256kbps, if anyone uses it.
+ if count&1:
+ rate=rate|0x08;
+ #print "Setting rate to 0x%02x" % rate;
+ if(rate==0x20):
+ rate=0x08;
+ self.client.poke(0x06,rate);
+ count=(count>>1);
+
+ if self.chan:
+ self.client.poke(0x05,
+ (count+40)&0x7f);
+ print "Tuned to %i MHz" % (
+ self.client.RF_getfreq()
+ /(10**6));
+ #Grab two packets to clear buffers.
+ #Should retune only after a few packets to reduce this delay.
+ packet=client.RF_rxpacket();
+ packet=client.RF_rxpacket();
+ return;
+
+
+if(sys.argv[1]=="autotune"):
+ #Reversal of transmitter code from nRF_CMD.c of OpenBeacon
+ #TODO remove all poke() calls.
+ guesser=AutoTuner();
+ guesser.init(client,rate=False,sync=False,chan=True);
+
+ client.poke(0x00,0x00); #Stop nRF
+ client.poke(0x01,0x00); #Disable Shockburst
+ client.poke(0x02,0x01); #Set RX Pipe 0
+
+ #client.RF_setfreq(2481 * 10**6);
+ #client.poke(0x06,0x09); #2MBps, -18dBm in RF_SETUP
+ client.poke(0x07,0x78); #Reset status register
+
+ #OpenBeacon defines these in little endian as follows.
+ client.RF_setmaclen(2); # SETUP_AW for shortest
+
+ #This is determined by the MAC, which we don't yet know.
+ #AutoTuner() takes care of finding it.
+ #client.RF_setsmac(0x00AA);
+ #client.RF_setsmac(0x0055);
+
+ #Longest length.
+ client.RF_setpacketlen(32);
+
+ #Power radio, prime for RX, no checksum
+ client.poke(0x00,0x70|0x03); #0x08 for checksum, 0x04 for two.
+
+ print "Autotuning as %010x on %i MHz" % (client.RF_getsmac(),
+ client.RF_getfreq()/10**6);
+ print "sync,mac,r5,r6";
+ #Now we're ready to get packets.
+ while 1:
+ #Full second on each packet.
+ start=time.mktime(time.localtime());
+ while (time.mktime(time.localtime())-start) < 5:
+ packet=None;
+ while packet==None:
+ packet=client.RF_rxpacket();
+ guesser.handle(packet);
+ #print "Retuning."
+ guesser.retune();
+ sys.stdout.flush();
+
+if(sys.argv[1]=="sniffmskb"):
+ #MSWK 3000 v2.0
+ #TODO remove all poke() calls.
+
+ client.poke(0x00,0x00); #Stop nRF
+ client.poke(0x01,0x00); #Disable Shockburst
+ client.poke(0x02,0x01); #Set RX Pipe 0
+
+ client.poke(0x06,0x09); #2MBps, -18dBm in RF_SETUP
+ client.poke(0x07,0x78); #Reset status register
+
+ #This is the address of a specific keyboard.
+ #Other keyboards will be different.
+
+
+ client.RF_setmaclen(2);
+
+ #Known pairs. The channel and the low address bytes must match.
+ #client.RF_setfreq((2400+0x13) * 10**6);
+ #client.RF_setsmac(0x0c00a3598cd);
+
+ client.RF_setfreq((2400+0x15) * 10**6);
+ client.RF_setsmac( 0x0c10446facd);
+
+ #Mac packet length, illegally 0-length address field.
+ client.RF_setpacketlen(32);
+
+ #Power radio, prime for RX, no checksum
+ client.poke(0x00,0x70|0x03); #0x08 for checksum, 0x04 for two.
+
+ print "Listening as %010x on %i MHz" % (client.RF_getsmac(),
+ client.RF_getfreq()/10**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);
+ sys.stdout.flush();
+
+
+
+if(sys.argv[1]=="sniffskybrake"):
+ #Reversal of transmitter code from nRF_CMD.c of OpenBeacon
+ #TODO remove all poke() calls.
+
+ client.poke(0x00,0x00); #Stop nRF
+ client.poke(0x01,0x00); #Disable Shockburst
+ client.poke(0x02,0x01); #Set RX Pipe 0
+
+ client.RF_setfreq(2439 * 10**6);
+ client.poke(0x06,0x00); #1MBps
+ client.poke(0x07,0x78); #Reset status register
+
+ #OpenBeacon defines these in little endian as follows.
+ client.RF_setmaclen(2); # SETUP_AW for 3-byte addresses.
+ #0x01, 0x02, 0x03, 0x02, 0x01
+
+ client.RF_setsmac(0x070700d2c4); #reversed
+
+ #client.RF_setsmac(0xd2c4);
+ #client.RF_setsmac(0);
+
+ #Mac packet length, illegally 0-length address field.
+ client.RF_setpacketlen(32);
+
+ #Power radio, prime for RX, one-byte checksum.
+ client.poke(0x00,0x70|0x03); #0x08 for one byte, 0x04 for two.
+
+ print "Listening as %010x on %i MHz" % (client.RF_getsmac(),
+ client.RF_getfreq()/10**6);
+ print "%i byte mac match." % client.RF_getmaclen();
+ #Now we're ready to get packets.
+ while 1:
+ packet=None;
+ while packet==None:
+ #time.sleep(0.1);
+ packet=client.RF_rxpacket();
+ printpacket(packet);
+ sys.stdout.flush();
+
if(sys.argv[1]=="sniffsf"):
#Reversal of transmitter code from nRF_CMD.c of OpenBeacon
#TODO remove all poke() calls.
#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(0xe7e7e7e7e7);
- #'O', 'C', 'A', 'E', 'B'
client.RF_settmac(0xe7e7e7e7e7);
#Set packet length of 16.
projects / goodfet / blobdiff