X-Git-Url: http://git.rot13.org/?p=goodfet;a=blobdiff_plain;f=client%2Fgoodfet.nrf;h=42f3b724789c0b195ebc33177a561e3e45b28e6f;hp=123d8650dfbac036451cfe3f518183ce571a3d72;hb=f15cabc15a42fb1b0b57e433dc3a1f300cff2b6c;hpb=b6ce36c42950f0fbc2c2a4d6c65109108121356d diff --git a/client/goodfet.nrf b/client/goodfet.nrf index 123d865..42f3b72 100755 --- a/client/goodfet.nrf +++ b/client/goodfet.nrf @@ -87,6 +87,8 @@ def printmspacket(packet,offset=1): letter=ord('\''); elif ct[9]==0x36: letter=ord(','); + elif ct[9]==0x37: + letter=ord('.'); else: print "Unknown character 0x%02x." % ct[9]; letter=ord('?'); @@ -314,8 +316,11 @@ class AutoTuner(): macreject=False; printing=False; startch=0; #Useful for forcing an early match. + maclen=5; #Some are shorter. def init(self,goodfet, - rate=True,chan=True,sync=True, macreject=True, printing=False): + rate=True,chan=True,sync=True, + macreject=True, printing=False, + maclen=5): """Initializes a link to the GoodFET for autotuning.""" self.client=goodfet; self.rate=rate; @@ -323,6 +328,7 @@ class AutoTuner(): self.sync=sync; self.macreject=macreject; self.printing=printing; + self.maclen=maclen; client.poke(0x00,0x00); #Stop nRF client.poke(0x01,0x00); #Disable Shockburst @@ -341,6 +347,7 @@ class AutoTuner(): client.poke(0x00,0x70|0x03); #prime radio. return; + def packetaddr(self,packet,justmac=False): """Returns a loaded packet address, including channel and rate.""" @@ -348,7 +355,7 @@ class AutoTuner(): mac=""; #MAC,RF_CH,RATE - for i in range(0,5): + for i in range(0,self.maclen): mac="%s%02x" % (mac,ord(packet[i])); if justmac: return mac; @@ -366,8 +373,17 @@ class AutoTuner(): #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' or mac=='ffffffffff': - return False; + blacklist=['5555555555', 'aaaaaaaaaa', + '0000000000', 'ffffffffff', + '55555555', 'aaaaaaaa', + '00000000', 'ffffffff', + '555555', 'aaaaaa', + '000000', 'ffffff', + '7fffff', 'aaffff', 'aaaaff', + 'afffff', 'abffff', '5fffff']; + for foo in blacklist: + if mac==foo: + return False; return True; def handle(self,packet): @@ -440,9 +456,10 @@ class AutoTuner(): #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; + print "Setting rate to 0x%02x" % rate; self.client.poke(0x06,rate); count=(count>>1); @@ -482,7 +499,9 @@ if(sys.argv[1]=="autotune"): client.RF_getfreq()/10**6); print "sync,mac,r5,r6"; #Now we're ready to get packets. + guesser.startch=16; guesser.selftune(threshold=2, + delay=10, forever=True); if(sys.argv[1]=="autotunebt"): @@ -735,7 +754,11 @@ if(sys.argv[1]=="snifftp"): client.RF_setpacketlen(4); #Power radio, prime for RX, two-byte checksum. - client.poke(0x00,0x70|0x03|0x04|0x08); + #client.poke(0x00,0x70|0x03|0x04|0x08); + + #Power radio, prime for RX, no checksum. + client.poke(0x00,0x70|0x03); + print "Listening as %010x on %i MHz" % (client.RF_getsmac(), client.RF_getfreq()/10**6);