s="%s %02x" % (s,ord(foo));
print "%s" % s;
+
+mskbstring="";
+oldseq=-1;
def printmspacket(packet,offset=1):
+ """Decodes a Microsoft keyboard packet and maintains the typed strings."""
+ global mskbstring, oldseq;
keyword=client.RF_getsmac();
#print "keyword=%010x" % key;
key=[];
+ ct=[];
for foo in range(0,5):
key.append(keyword&0xFF);
keyword=(keyword>>8);
#print "Keybyte %02x" % key[foo];
i=0;
s="";
+
for foo in packet:
if i>=4:
+ ct.append(ord(foo)^key[(i+offset)%5]);
s="%s %02x" % (s,ord(foo)^key[(i+offset)%5]);
else:
+ ct.append(ord(foo));
s="%s %02x" % (s,ord(foo));
i=i+1;
+ #Uncomment this to print the raw packet, kinda noisy.
print "%s" % (s);
+
+ letter=None;
+ seq=ct[4];
+ if ct[0]==0x0a and ct[1]==0x78 and seq!=oldseq:
+ oldseq=seq;
+ #TODO replace this with a dictionary, and support modifiers.
+ if ct[9]==0:
+ #Key up event, not worth logging.
+ pass;
+ elif ct[9]>=4 and ct[9]<0x1E:
+ letter=ct[9]+ord('A')-4;
+ elif ct[9]>=0x1E and ct[9]<0x27:
+ letter=ct[9]+ord('1')-0x1E;
+ elif ct[9]==0x27:
+ letter=ord('0');
+ elif ct[9]==0x29:
+ #escape
+ letter=ord('e');
+ elif ct[9]==0x2d:
+ letter=ord('-');
+ elif ct[9]==0x2e:
+ letter=ord('=');
+ elif ct[9]==0x35:
+ letter=ord('`');
+ elif ct[9]==0x2C:
+ letter=ord('_');
+ elif ct[9]==0x34:
+ letter=ord('\'');
+ elif ct[9]==0x36:
+ letter=ord(',');
+ else:
+ print "Unknown character 0x%02x." % ct[9];
+ letter=ord('?');
+ if letter!=None:
+ mskbstring="%s%c" % (mskbstring,letter);
+ print "# %s" % mskbstring
def printconfig():
print "Encoding %s" % client.RF_getenc();
print "Freq %10i MHz" % (client.RF_getfreq()/10**6);
print "%s sniffob\n\tSniffs OpenBeacon traffic." % sys.argv[0];
print "%s snifftp\n\tSniffs Turning Point Clicker traffic." % sys.argv[0];
print "%s sniffsf\n\tSniffs SparkFun Dongle traffic." % sys.argv[0];
+ print "%s sniffmskb\n\tSniffs Microsoft Keyboard traffic." % sys.argv[0];
print "";
- print "%s sniffmacs \n\tSniffs for MAC addresses on the present channel.";
+ print "%s sniffmacs \n\tSniffs for MAC addresses on the present channel." % sys.argv[0];
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];
-
print "%s carrier [freq]\n\tHolds a carrier on [freq] Hz." % sys.argv[0];
sys.exit();
2*10**6]:
client.RF_setrate(foo);
if(client.RF_getrate()!=foo):
- print "ERROR Rate %i not supported. Got %i instead." % (foo,
- client.RF_getrate());
+ print "ERROR Rate %i not supported. Got %i instead." % (
+ foo,
+ client.RF_getrate());
print "\n\n";
client.poke(0x0A,0xDEADBEEF,5);
rate=False;
chan=False;
sync=False;
+ macreject=False;
+ printing=False;
startch=0; #Useful for forcing an early match.
def init(self,goodfet,
- rate=True,chan=True,sync=True):
+ rate=True,chan=True,sync=True, macreject=True, printing=False):
"""Initializes a link to the GoodFET for autotuning."""
self.client=goodfet;
self.rate=rate;
self.chan=chan;
self.sync=sync;
+ self.macreject=macreject;
+ self.printing=printing;
client.poke(0x00,0x00); #Stop nRF
client.poke(0x01,0x00); #Disable Shockburst
#Disable shockburst.
client.poke(0x1C,0x00);
client.poke(0x1D,0x00);
-
+
client.RF_setmaclen(2); # SETUP_AW for shortest
#historic
def validmac(self,packet):
sync=self.client.RF_getsmac()&0xFF;
mac=self.packetaddr(packet,justmac=True);
- if (ord(packet[0])&0x80)^(sync&0x80):
+
+ #BT preamble is A or 5.
+ #Fix this to work on the smallest bit, not the highest.
+ if ((ord(packet[0])&0x80)^(sync&0x80)) and self.macreject:
#print "%02x%02x invalid entry." % (sync,ord(packet[0]));
#This is a special kind of failure. Freq is probably right, but MAC is wrong.
return False;
- if mac=='5555555555' or mac=='aaaaaaaaaa' or mac=='0000000000':
+ if mac=='5555555555' or mac=='aaaaaaaaaa' or mac=='0000000000' or mac=='ffffffffff':
return False;
return True;
def handle(self,packet):
"""Handles a packet."""
- #printpacket(packet);
+ if self.printing:
+ printpacket(packet);
if not self.validmac(packet):
#print "Dropped packet from %s" % self.packetaddr(packet,justmac=True);
guesser.selftune(threshold=2,
forever=True);
+if(sys.argv[1]=="autotunebt"):
+ #Reversal of transmitter code from nRF_CMD.c of OpenBeacon
+ #TODO remove all poke() calls.
+ guesser=AutoTuner();
+ guesser.init(client,rate=True,sync=False,chan=True,
+ macreject=False, printing=True);
+
+
+ #client.RF_setfreq(2481 * 10**6);
+ client.poke(0x06,0x00); #1MBps
+ client.poke(0x07,0x78); #Reset status register
+
+ #Bluetooth preamble is 0xA; BTLE is 0xAA.
+ client.RF_setsmac(0x000A);
+
+ #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 on %i MHz" % (
+ client.RF_getfreq()/10**6);
+ print "sync,mac,r5,r6";
+ #Now we're ready to get packets.
+ guesser.selftune(threshold=2,
+ forever=True);
+
if(sys.argv[1]=="sniffmacs"):
#Reversal of transmitter code from nRF_CMD.c of OpenBeacon
#TODO remove all poke() calls.
-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
printpacket(packet);
sys.stdout.flush();
-if(sys.argv[1]=="snifftp"):
+if(sys.argv[1]=="sniffnike"):
+ #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((2400+0x29) * 10**6);
- client.poke(0x06,0x00); #1Mbps
+ client.RF_setfreq(2425 * 10**6);
+ client.poke(0x06,0x20|0x06); #250 kbps
client.poke(0x07,0x78); #Reset status register
- client.RF_setmaclen(3); # SETUP_AW for 3-byte addresses.
- client.RF_setsmac(0x123456);
- client.RF_setpacketlen(4);
+ #Nike Settings
+ client.RF_setmaclen(2); # Illegal by datasheet, but it works!
+ client.RF_setsmac(0xc2bd);
+ client.RF_settmac(0xc2bd); #Should we forge data?
+
+ client.RF_setpacketlen(32); #No idea what the length is.
#Power radio, prime for RX, two-byte checksum.
- client.poke(0x00,0x70|0x03|0x04|0x08);
+ client.poke(0x00,0x70|0x03); #0x08 for checksum, 0x04 for two bytes.
print "Listening as %010x on %i MHz" % (client.RF_getsmac(),
client.RF_getfreq()/10**6);
+ print "Expect some false-positives.";
+
#Now we're ready to get packets.
while 1:
packet=None;
printpacket(packet);
sys.stdout.flush();
-if(sys.argv[1]=="hosttp"):
+if(sys.argv[1]=="snifftp"):
client.poke(0x00,0x00); #Stop nRF
client.poke(0x01,0x00); #Disable Shockburst
client.poke(0x02,0x01); #Set RX Pipe 0
- chan=0x29;
-
- client.RF_setfreq((2400+chan) * 10**6);
+ #Disable shockburst.
+ client.poke(0x1C,0x00);
+ client.poke(0x1D,0x00);
+
+ client.RF_setfreq((2400+0x29) * 10**6);
client.poke(0x06,0x00); #1Mbps
client.poke(0x07,0x78); #Reset status register
while 1:
packet=None;
while packet==None:
+ #time.sleep(0.1);
packet=client.RF_rxpacket();
- mac=((ord(packet[0])<<16)+
- (ord(packet[1])<<8)+
- ord(packet[2]));
- key=packet[3];
- print "%c from %06x" % (key,mac);
+ printpacket(packet);
sys.stdout.flush();
+
if(sys.argv[1]=="sniff"):
if len(sys.argv)>2:
print "Set MAC to %s" % sys.argv[2];
projects / goodfet / blobdiff