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 process_tcp():
s_in = sm.get_and_bind_socket(5007)
s_in.listen(1)
conn, address = s_in.accept()
tcp_packets = []
while 1:
try:
pkt = conn.recv(sm.BUFFER_SIZE)
if not pkt:
conn.close()
break
tcp_packets.append(pkt)
except AttributeError:
pass
temp_str = '' # variable used in joining tcp.data
http_packets = []
for p in tcp_packets:
eth = dpkt.ethernet.Ethernet(p)
ip = eth.data
tcp = ip.data
# length = len(tcp.data)
# print ("\nThis packet's sequence number: %d" % tcp.seq)
# print ("Next packet's sequence number: %d" % (tcp.seq + length))
temp_str += tcp.data
if is_push_set(tcp):
http_packets.append(temp_str)
temp_str = ''
for h in http_packets:
try:
http = dpkt.http.Response(h)
print http.status
body = zlib.decompress(http.body, 16+zlib.MAX_WBITS)
with open("Output.txt", "w") as text_file:
text_file.write("\nHttp body: \n{0}".format(body))
except dpkt.dpkt.UnpackError as e:
print (e.message)
except zlib.error as e:
print e.message
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)
