def filter_ip():
s_in = sm.get_and_bind_socket(5006)
s_in.listen(1)
conn, address = s_in.accept()
s_out = sm.get_socket()
s_out.connect((sm.TCP_IP, 5007))
while 1:
try:
pkt = conn.recv(sm.BUFFER_SIZE)
if not pkt:
pc.chart_ip_route()
pc.chart_ip_aux()
conn.close()
s_out.close()
break
eth = dpkt.ethernet.Ethernet(pkt)
ip = eth.data
pc.data_ip_route(print_packets.ip_to_str(ip.src), print_packets.ip_to_str(ip.dst))
pc.data_ip_aux(str(ip.len), str(ip.ttl))
s_out.send(pkt)
except AttributeError:
pass
def load_and_filter_tcp():
f = open('simple.pcap', 'rb')
p = dpkt.pcap.Reader(f)
s = sm.get_socket()
s.connect(sm.TCP_TUPLE)
for ts, pkt in p:
try:
eth = dpkt.ethernet.Ethernet(pkt)
ip = eth.data
tcp = ip.data
if tcp.sport == 80 and len(tcp.data) > 0:
s.send(pkt)
except AttributeError:
pass
s.close()
f.close()
def filter_eth():
s_in = sm.get_and_bind_socket()
s_in.listen(1)
conn, address = s_in.accept()
s_out = sm.get_socket()
s_out.connect((sm.TCP_IP, 5006))
while 1:
pkt = conn.recv(sm.BUFFER_SIZE)
if not pkt:
pc.chart_eth_route()
pc.chart_eth_type()
conn.close()
s_out.close()
break
eth = dpkt.ethernet.Ethernet(pkt)
pc.data_eth_route(print_packets.mac_addr(eth.src), print_packets.mac_addr(eth.dst))
pc.data_eth_type(str(eth.type))
s_out.send(pkt)
