X-Git-Url: http://git.rot13.org/?p=goodfet;a=blobdiff_plain;f=client%2Fgoodfet.ccspi;h=59eee3319df5c6747be804e661e7b879f269c3c2;hp=f8d10bdf656b99f7a5288fe11eb92e7008c56a78;hb=a8b686459e73c8a37df4537083a675fc21de4699;hpb=0c3db8ce9f40190ec063347e21ed382d5486cb67 diff --git a/client/goodfet.ccspi b/client/goodfet.ccspi index f8d10bd..59eee33 100755 --- a/client/goodfet.ccspi +++ b/client/goodfet.ccspi @@ -5,7 +5,7 @@ # Additions 2011-2012 Ryan Speers ryan@rmspeers.com #N.B., -#Might be CC2420 Specific +#Very CC2420 Specific import sys; import binascii; @@ -13,10 +13,30 @@ import array, time; from GoodFETCCSPI import GoodFETCCSPI; + +#Some quick functions for yanking values out of a packet. +def srcadr(packet): + """Returns the source address of a packet as an integer.""" + return ord(packet[4])+(ord(packet[5])<<8); +def isencrypted(packet): + """Returns true if the packet is encrypted."""; + try: + return ord(packet[1])&0x08; + except: + return False; +def pktnonceseq(packet): + """Returns the nonce sequence of a packet.""" + nonce=0; + for byte in [0xa,9,8,7]: + nonce=(nonce<<8)|ord(packet[byte]); + return nonce; + if(len(sys.argv)==1): print "Usage: %s verb [objects]\n" % sys.argv[0]; print "%s info" % sys.argv[0]; print "%s regs" % sys.argv[0]; + print "%s ram" % sys.argv[0]; + print "%s ramtest" % sys.argv[0]; print "%s test" % sys.argv[0]; print "%s peek 0x$start [0x$stop]" % sys.argv[0]; print "%s poke 0x$adr 0x$val" % sys.argv[0]; @@ -28,11 +48,18 @@ if(len(sys.argv)==1): print "\n%s surf" % sys.argv[0]; print "%s sniff [chan]" % sys.argv[0]; + print "%s fastsniff [chan]" % sys.argv[0]; + print "%s sniffstrings [chan]" % sys.argv[0]; print "%s bsniff [chan]" % sys.argv[0]; + print "%s sniffcrypt 0x$key [chan]" % sys.argv[0]; print "%s sniffdissect" % sys.argv[0]; + print "%s sniffnonce" % sys.argv[0]; print "\n%s txtoscount [-i|-r] TinyOS BlinkToLED" % sys.argv[0]; print "%s reflexjam [channel=11] [delay=0]" % sys.argv[0]; + + print "\n%s txpiptest" % sys.argv[0]; + print "%s txpipscapy" % sys.argv[0]; sys.exit(); @@ -95,6 +122,32 @@ if(sys.argv[1]=="regs"): for adr in range(0x10,0x40): #*1024): val=client.peek(adr); print "%04x:=0x%04x" % (adr,val); +if(sys.argv[1]=="ram"): + for adr in range(0x0,0x16D,16): + row=client.peekram(adr,32); + s=""; + for foo in row: + s=s+(" %02x" % ord(foo)) + print "%04x: %s" % (adr,s); +if(sys.argv[1]=="ramtest"): + client.pokeram(0x00,[0xde,0xad,0xbe,0xef, + 0xde,0xad,0xbe,0xef, + 0xde,0xad,0xbe,0xef, + 0xde,0xad,0xbe,0xef, + 0xde,0xad,0xbe,0xef, + 0xde,0xad,0xbe,0xef, + 0xde,0xad,0xbe,0xef, + 0xde,0xad,0xbe,0xef, + 0xde,0xad,0xbe,0xef, + 0xde,0xad,0xbe,0xef, + 0xde,0xad,0xbe,0xef]); + + for adr in range(0x0,0x16D,16): + row=client.peekram(adr,32); + s=""; + for foo in row: + s=s+(" %02x" % ord(foo)) + print "%04x: %s" % (adr,s); if(sys.argv[1]=="test"): data=client.trans([0x20, 0xde, 0xad]); print "%02x %02x" % (ord(data[1]), ord(data[2])); @@ -185,7 +238,8 @@ if sys.argv[1]=="surf": sys.stdout.flush(); chan=chan+1; -if(sys.argv[1]=="sniff" or sys.argv[1]=="sniffdissect"): +if(sys.argv[1]=="sniff" or sys.argv[1]=="sniffdissect" or sys.argv[1]=="sniffstrings" or + sys.argv[1]=="sniffnonce" or sys.argv[1]=="fastsniff"): #Promiscuous mode. client.RF_promiscuity(1); client.RF_autocrc(1); @@ -201,16 +255,30 @@ if(sys.argv[1]=="sniff" or sys.argv[1]=="sniffdissect"): client.CC_RFST_RX(); print "Listening as %010x on %i MHz" % (client.RF_getsmac(), client.RF_getfreq()/10**6); + #If fastsniffing, then send that command. + if sys.argv[1]=="fastsniff": + client.RF_rxpacketrepeat(); + #Now we're ready to get packets. while 1: - client.setup(); #Really oughtn't be necessary, but can't hurt. - client.CC_RFST_RX(); + #client.CC_RFST_RX(); # Cop-out that confuses reception! packet=None; while packet==None: packet=client.RF_rxpacket(); if sys.argv[1]=="sniffdissect": client.printdissect(packet); + elif sys.argv[1]=="sniffstrings": + print packet; + elif sys.argv[1]=="sniffnonce": + if isencrypted(packet): + try: + print "%04x: %08x -- %s" % (srcadr(packet), + pktnonceseq(packet), + client.packet2str(packet) + ); + except: + pass; else: client.printpacket(packet); sys.stdout.flush(); @@ -238,6 +306,43 @@ if(sys.argv[1]=="bsniff"): client.printpacket(packet); sys.stdout.flush(); +if(sys.argv[1]=="sniffcrypt"): + print "Zigbee crypto is pretty damned complicated, and this doesn't work yet."; + #Just broadcast. + client.RF_promiscuity(1); + client.RF_setsmac(0xFFFFFFFF); + client.RF_autocrc(1); + #client.poke(0x19, 0x03C7); #SECCTRL0, enabling CCM crypto w/ KEY0 + client.poke(0x19, 0x03C6); #SECCTRL0, enabling CTRL crypto w/ KEY0 + + #What follows is the nonce. + client.poke(0x20, 0x000a); #SECCTRL1, skipping 10 bytes of header + + if len(sys.argv)>2: + key=int(sys.argv[2],16); + nonce=int(sys.argv[3],16); + + print "Setting KEY0 to %x" % key; + print "Setting NONCE to %x" % nonce; + client.RF_setkey(key); + client.RF_setnonce(nonce); + if len(sys.argv)>3: + freq=eval(sys.argv[3]); + if freq>100: + client.RF_setfreq(freq); + else: + client.RF_setchan(freq); + client.CC_RFST_RX(); + 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: + packet=client.RF_rxpacketdec(); + client.printpacket(packet); + sys.stdout.flush(); + if(sys.argv[1]=="txtest"): if len(sys.argv)>2: freq=eval(sys.argv[2]); @@ -304,7 +409,7 @@ if(sys.argv[1]=="txpiptest" or sys.argv[1]=="txpipscapy"): client.RF_setfreq(freq); else: client.RF_setchan(freq); - print "Transmitting on as %010x on %i MHz" % ( + print "Transmitting on PIP injection as %010x on %i MHz" % ( client.RF_getsmac(), client.RF_getfreq()/10**6);