def parse_eap_packet(self, packet):
eap_layer = packet[EAP]
if eap_layer.type not in EAP_TYPES:
return
REQUEST, RESPONSE = 1, 2
# Means that we are the Access Point that the use is connecting to
if Ether in packet:
client_mac = packet[Ether].dst
elif self._packet_is_from_ap(packet):
client_mac = self._get_destination_from_packet(packet)
else:
client_mac = self._get_source_from_packet(packet)
if client_mac:
if client_mac not in self.wifi_clients:
self.wifi_clients[client_mac] = WiFiClient(client_mac)
else:
return
client = self.wifi_clients[client_mac]
client.user_id = eap_layer.id
if EAP_TYPES[eap_layer.type] == "ID" and eap_layer.code == RESPONSE:
client.identity = eap_layer.identity
elif EAP_TYPES[eap_layer.type] == "MD5":
auth_id = eap_layer.id
if auth_id not in client.authentications["MD5"]:
client.authentications["MD5"][auth_id] = ChallengeResponseAuth(auth_id, "MD5")
authentication = client.authentications["MD5"][auth_id]
if eap_layer.code == REQUEST:
authentication.challenge = eap_layer.load[1:17].encode("HEX")
elif packet[EAP].code == RESPONSE:
authentication.response = eap_layer.load[1:17].encode("HEX")
elif EAP_TYPES[eap_layer.type] == "LEAP":
auth_id = eap_layer.id
if auth_id not in client.authentications["LEAP"]:
client.authentications["LEAP"][auth_id] = ChallengeResponseAuth(auth_id, "LEAP")
authentication = client.authentications["LEAP"][auth_id]
leap_layer = packet[LEAP]
if leap_layer.name:
authentication.username = leap_layer.name
if eap_layer.code == REQUEST:
if len(leap_layer.data) == 8:
authentication.challenge = leap_layer.data.encode("HEX")
elif packet[EAP].code == RESPONSE:
if len(leap_layer.data) == 24:
authentication.response = eap_layer.data.encode("HEX")
client.check_and_log_credentials()
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