def test_eth_init_with_data():
# initialize with a data string, test that it gets unpacked
import arp
eth1 = Ethernet(
dst='PQRSTU', src='ABCDEF', type=ETH_TYPE_ARP,
data='\x00\x01\x08\x00\x06\x04\x00\x01123456abcd7890abwxyz')
assert isinstance(eth1.data, arp.ARP)
# now initialize with a class, test packing
eth2 = Ethernet(
dst='PQRSTU', src='ABCDEF',
data=arp.ARP(sha='123456', spa='abcd', tha='7890ab', tpa='wxyz'))
assert str(eth1) == str(eth2)
assert len(eth1) == len(eth2)
def __init__(self):
self.__arp = arp.ARP()
self.__oui = oui.OUI()
def main():
op = input('¿Iniciar ciclo de captura? (S/N)')
if (op == 'S'):
conn = socket.socket(socket.AF_PACKET, socket.SOCK_RAW, socket.ntohs(3))
while (op == 'S'):
rawData, addr = conn.recvfrom(65535)
eth = ethernet.Ethernet(rawData)
print ('Ethernet Frame:')
print(eth.getInfo())
if (getattr(eth, 'type') == 8):
'Is IPv4'
ipv4Packet = ipv4.IPv4( getattr(eth, 'ethPayload') )
print ('IPv4 Datagram:')
print (ipv4Packet.getInfo())
if (getattr(ipv4Packet, 'protocol') == 1):
'Is ICMPv4'
icmpv4Packet = icmpv4.ICMPv4( getattr(ipv4Packet, 'ipv4Payload') )
print('ICMPv4 Packet:')
print(icmpv4Packet.getInfo())
elif (getattr(ipv4Packet, 'protocol') == 6):
'Is TCP'
tcpSegment = tcp.TCP( getattr(ipv4Packet, 'ipv4Payload') )
print ('TCP Segment:')
print (tcpSegment.getInfo())
elif (getattr(ipv4Packet, 'protocol') == 17):
'Is UDP'
udpSegment = udp.UDP( getattr(ipv4Packet, 'ipv4Payload') )
print ('UDP Segment:')
print (udpSegment.getInfo())
elif (getattr(eth, 'type') == 1544):
'Is ARP'
arpPacket = arp.ARP( getattr(eth, 'ethPayload') )
print ('ARP Message:')
print (arpPacket.getInfo())
elif (getattr(eth, 'type') == 56710):
'Is IPv6'
ipv6Packet = ipv6.IPv6( getattr(eth, 'ethPayload') )
print('IPv6 Packet:')
print(ipv6Packet.getInfo())
if (getattr(ipv6Packet, 'nextHeader') == 58):
'Is ICMPv6'
icmpv6Packet = icmpv6.ICMPv6( getattr(ipv6Packet, 'ipv6Payload') )
print('ICMPv6 Packet:')
print(icmpv6Packet.getInfo())
elif (getattr(ipv6Packet, 'nextHeader') == 6):
'Is TCP'
tcpSegment = tcp.TCP( getattr(ipv6Packet, 'ipv6Payload') )
print ('TCP Segment:')
print (tcpSegment.getInfo())
elif (getattr(ipv6Packet, 'nextHeader') == 17):
'Is UDP'
udpSegment = udp.UDP( getattr(ipv6Packet, 'ipv6Payload') )
print ('UDP Segment:')
print (udpSegment.getInfo())