def decode(self, aBuffer):
t = ImpactPacket.TCP(aBuffer)
self.set_decoded_protocol(t)
off = t.get_header_size()
self.data_decoder = DataDecoder()
packet = self.data_decoder.decode(aBuffer[off:])
t.contains(packet)
return t
def decode(self, aBuffer):
u = ImpactPacket.UDP(aBuffer)
self.set_decoded_protocol(u)
off = u.get_header_size()
self.data_decoder = DataDecoder()
packet = self.data_decoder.decode(aBuffer[off:])
u.contains(packet)
return u
def decode(self, aBuffer):
arp = ImpactPacket.ARP(aBuffer)
self.set_decoded_protocol( arp )
off = arp.get_header_size()
self.data_decoder = DataDecoder()
packet = self.data_decoder.decode(aBuffer[off:])
arp.contains(packet)
return arp
def decode(self, aBuffer):
ic = ImpactPacket.ICMP(aBuffer)
self.set_decoded_protocol(ic)
off = ic.get_header_size()
if ic.get_icmp_type() == ImpactPacket.ICMP.ICMP_UNREACH:
self.ip_decoder = IPDecoderForICMP()
packet = self.ip_decoder.decode(aBuffer[off:])
else:
self.data_decoder = DataDecoder()
packet = self.data_decoder.decode(aBuffer[off:])
ic.contains(packet)
return ic
def decode(self, aBuffer):
i = ImpactPacket.IP(aBuffer)
self.set_decoded_protocol(i)
off = i.get_header_size()
if i.get_ip_p() == ImpactPacket.UDP.protocol:
self.udp_decoder = UDPDecoder()
packet = self.udp_decoder.decode(aBuffer[off:])
else:
self.data_decoder = DataDecoder()
packet = self.data_decoder.decode(aBuffer[off:])
i.contains(packet)
return i
def decode(self, aBuffer):
t = ImpactPacket.TCP(aBuffer)
self.set_decoded_protocol(t)
off = t.get_header_size()
self.data_decoder = DataDecoder()
# Setting limits on the header
if off <= 70:
packet = self.data_decoder.decode(aBuffer[off:])
else:
packet = self.data_decoder.decode(aBuffer[off:70])
t.contains(packet)
return t
def decode(self, aBuffer):
e = ImpactPacket.LinuxSLL(aBuffer)
self.set_decoded_protocol(e)
off = 16
if e.get_ether_type() == ImpactPacket.IP.ethertype:
self.ip_decoder = IPDecoder()
packet = self.ip_decoder.decode(aBuffer[off:])
elif e.get_ether_type() == ImpactPacket.ARP.ethertype:
self.arp_decoder = ARPDecoder()
packet = self.arp_decoder.decode(aBuffer[off:])
else:
self.data_decoder = DataDecoder()
packet = self.data_decoder.decode(aBuffer[off:])
e.contains(packet)
return e
def decode(self, aBuffer):
e = ImpactPacket.Ethernet(aBuffer)
self.set_decoded_protocol(e)
off = e.get_header_size()
if e.get_ether_type() == ImpactPacket.IP.ethertype:
self.ip_decoder = IPDecoder()
packet = self.ip_decoder.decode(aBuffer[off:])
# elif e.get_ether_type() == ImpactPacket.ARP.ethertype:
# self.arp_decoder = ARPDecoder()
# packet = self.arp_decoder.decode(aBuffer[off:])
else:
self.data_decoder = DataDecoder()
packet = self.data_decoder.decode(aBuffer[off:])
e.contains(packet)
return e
def decode(self, aBuffer):
i = ImpactPacket.IP(aBuffer)
self.set_decoded_protocol(i)
start = i.get_header_size()
end = i.get_ip_len()
if i.get_ip_p() == ImpactPacket.UDP.protocol:
self.udp_decoder = UDPDecoder()
packet = self.udp_decoder.decode(aBuffer[start:end])
elif i.get_ip_p(
) == ImpactPacket.TCP.protocol: # something could be wrong here
self.tcp_decoder = TCPDecoder()
packet = self.tcp_decoder.decode(aBuffer[start:end])
elif i.get_ip_p() == ImpactPacket.ICMP.protocol:
self.icmp_decoder = ICMPDecoder()
packet = self.icmp_decoder.decode(aBuffer[start:end])
else:
self.data_decoder = DataDecoder()
packet = self.data_decoder.decode(aBuffer[start:end])
i.contains(packet)
return i
def decode(self, aBuffer):
d = ImpactPacket.Data(aBuffer)
self.set_decoded_protocol(d)
return d