def __build_node_information_message(class_object, type, code, payload = None):
#Build ICMP6 header
icmp_packet = ICMP6()
icmp_packet.set_type(type)
icmp_packet.set_code(code)
#Pack ICMP payload
qtype = 0
flags = 0
nonce = [0x00] * 8
icmp_bytes = struct.pack('>H', qtype)
icmp_bytes += struct.pack('>H', flags)
icmp_bytes += array_tobytes(array.array('B', nonce))
if payload is not None:
icmp_bytes += array_tobytes(array.array('B', payload))
icmp_payload = Data()
icmp_payload.set_data(icmp_bytes)
#Link payload to header
icmp_packet.contains(icmp_payload)
return icmp_packet
def __build_error_message(class_object, type, code, data, originating_packet_data):
#Build ICMP6 header
icmp_packet = ICMP6()
icmp_packet.set_type(type)
icmp_packet.set_code(code)
#Pack ICMP payload
icmp_bytes = array_tobytes(array.array('B', data))
if (originating_packet_data is not None):
icmp_bytes += array_tobytes(array.array('B', originating_packet_data))
icmp_payload = Data()
icmp_payload.set_data(icmp_bytes)
#Link payload to header
icmp_packet.contains(icmp_payload)
return icmp_packet
def __build_neighbor_message(class_object, msg_type, target_address):
#Build ICMP6 header
icmp_packet = ICMP6()
icmp_packet.set_type(msg_type)
icmp_packet.set_code(0)
# Flags + Reserved
icmp_bytes = array_tobytes(array.array('B', [0x00] * 4))
# Target Address: The IP address of the target of the solicitation.
# It MUST NOT be a multicast address.
icmp_bytes += array_tobytes(array.array('B', IP6_Address(target_address).as_bytes()))
icmp_payload = Data()
icmp_payload.set_data(icmp_bytes)
#Link payload to header
icmp_packet.contains(icmp_payload)
return icmp_packet
def buildAnswer(self, in_onion):
cmd = array_tobytes(in_onion[O_UDP_DATA].get_bytes())
if cmd[:4] == 'cmd:': cmd = cmd[4:].strip()
print("Got command: %r" % cmd)
if cmd == 'exit':
from sys import exit
exit()
out_onion = OpenUDPResponder.buildAnswer(self, in_onion)
out_onion.append(ImpactPacket.Data())
out_onion[O_UDP].contains(out_onion[O_UDP_DATA])
if cmd == 'who':
out_onion[O_UDP_DATA].set_data(self.machine.fingerprint.get_id())
return out_onion
def __build_echo_message(class_object, type, id, sequence_number, arbitrary_data):
#Build ICMP6 header
icmp_packet = ICMP6()
icmp_packet.set_type(type)
icmp_packet.set_code(0)
#Pack ICMP payload
icmp_bytes = struct.pack('>H', id)
icmp_bytes += struct.pack('>H', sequence_number)
if (arbitrary_data is not None):
icmp_bytes += array_tobytes(array.array('B', arbitrary_data))
icmp_payload = Data()
icmp_payload.set_data(icmp_bytes)
#Link payload to header
icmp_packet.contains(icmp_payload)
return icmp_packet
def from_ary(self, ary):
return array_tobytes(ary)
def ary2n(self, ary, i=0):
return struct.unpack(">H", array_tobytes(ary[i:i+2]))[0]
def get_packet(self):
return array_tobytes(self.to_ary())
def get_switch_mac(self):
return array_tobytes(self.get_bytes())[28:28+6]
def get_cluster_command_mac(self):
return array_tobytes(self.get_bytes())[20:20+6]
def __init__(self, aBuffer = None):
CDPElement.__init__(self, aBuffer)
if aBuffer:
data = array_tobytes(self.get_bytes())[8:]
self._generateAddressDetails(data)
def get_ip_address(self, offset = 0, ip = None):
if not ip:
ip = array_tobytes(self.get_bytes())[offset : offset + IP_ADDRESS_LENGTH]
return socket.inet_ntoa( ip )
def get_data(self):
return array_tobytes(self.get_bytes())[4:self.get_length()]
