def decode(self, aBuffer):
wep = dot11.Dot11WEP(aBuffer)
self.set_decoded_protocol(wep)
if wep.is_WEP() is False:
return None
key = self.find_key(self.bssid)
if key:
decoded_string = wep.get_decrypted_data(key)
wep_data = Dot11WEPDataDecoder()
packet = wep_data.decode(decoded_string)
else:
data_decoder = DataDecoder()
packet = data_decoder.decode(wep.body_string)
wep.contains(packet)
return wep
def setUp(self):
self.dot11 = dot11.Dot11(FCS_at_end=False)
# dot11.fc
self.dot11.set_version(0)
self.dot11.set_type_n_subtype(
dot11.Dot11Types.DOT11_TYPE_DATA_SUBTYPE_DATA)
# dot11.fc.flags
self.dot11.set_fromDS(0)
self.dot11.set_toDS(1)
self.dot11.set_moreFrag(0)
self.dot11.set_retry(0)
self.dot11.set_powerManagement(0)
self.dot11.set_moreData(0)
self.dot11.set_protectedFrame(1)
self.dot11.set_order(0)
# dot11.Data
self.dot11data = dot11.Dot11DataFrame()
self.dot11data.set_duration(44)
self.dot11data.set_address1([0x00, 0x21, 0x29, 0x68, 0x33,
0x5d]) # Bssid
self.dot11data.set_address2([0x00, 0x18, 0xde, 0x7c, 0x37,
0x9f]) # Source
self.dot11data.set_address3([0x00, 0x21, 0x29, 0x68, 0x33,
0x5d]) # Destination
self.dot11data.set_fragment_number(0)
self.dot11data.set_sequence_number(3439)
# WEP
self.wep = dot11.Dot11WEP()
self.wep.set_iv(0x0c3165)
self.wep.set_keyid(0)
# WEPData
self.wepdata = dot11.Dot11WEPData()
# LLC
self.llc = dot11.LLC()
self.llc.set_DSAP(0xaa)
self.llc.set_SSAP(0xaa)
self.llc.set_control(0x03)
# SNAP
self.snap = dot11.SNAP()
self.snap.set_OUI(0x000000)
self.snap.set_protoID(0x0800)
# IP
self.ip = ImpactPacket.IP()
self.ip.set_ip_v(0x04)
self.ip.set_ip_tos(0x00)
self.ip.set_ip_id(0xa607)
# IP.flags
self.ip.set_ip_rf(0)
self.ip.set_ip_df(0)
self.ip.set_ip_mf(0)
#
self.ip.set_ip_off(0)
self.ip.set_ip_ttl(128)
self.ip.set_ip_p(0x01) # ICMP
self.ip.set_ip_src('192.168.1.102')
self.ip.set_ip_dst('64.233.163.103')
# ICMP
self.icmp = ImpactPacket.ICMP()
self.icmp.set_icmp_type(self.icmp.ICMP_ECHO)
self.icmp.set_icmp_code(0x00)
self.icmp.set_icmp_id(0x0400)
self.icmp.set_icmp_seq(0x8405)
# Data
datastring = 'abcdefghijklmnopqrstuvwabcdefghi'
self.data = ImpactPacket.Data(datastring)
# Build the protocol stack
self.dot11.contains(self.dot11data)
self.dot11data.contains(self.wep)
self.wep.contains(self.wepdata)
self.wepdata.contains(self.llc)
self.llc.contains(self.snap)
self.snap.contains(self.ip)
self.ip.contains(self.icmp)
self.icmp.contains(self.data)
# Instantiated the Key Manager
self.km = KeyManager()
self.km.add_key([0x00, 0x21, 0x29, 0x68, 0x33, 0x5b],
'999cbb701ca2ef030e302dcc35'.decode('hex_codec'))