UDP-Traceroute (Traceroute) -Netzwerkroutenübersicht in Python
$ python --version
Python 3.5.2
Staat herauszukommen
$ uname -a
Darwin Naokis-MacBook.local 16.4.0 Darwin Kernel Version 16.4.0: Thu Dec 22 22:53:21 PST 2016; root:xnu-3789.41.3~3/RELEASE_X86_64 x86_64
Traceroute_python3.py
#!/usr/bin/env python
import sys
import socket
def traceroute(dest_name, port, max_hops):
dest_addr = socket.gethostbyname(dest_name)
print("target ==> %s (%s)" % (dest_name, dest_addr))
socket.setdefaulttimeout(10)
icmp = socket.getprotobyname('icmp')
udp = socket.getprotobyname('udp')
ttl = 1
while True:
recv_socket = socket.socket(socket.AF_INET, socket.SOCK_RAW, icmp)
send_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, udp)
send_socket.setsockopt(socket.SOL_IP, socket.IP_TTL, ttl)
recv_socket.bind(("", port))
send_socket.sendto(bytes(512), (dest_addr, port))
curr_addr = None
curr_name = None
try:
curr_name, curr_addr = recv_socket.recvfrom(512)
curr_addr = curr_addr[0]
try:
curr_name = socket.gethostbyaddr(curr_addr)[0]
except socket.error:
curr_name = curr_addr
except socket.error:
pass
finally:
send_socket.close()
recv_socket.close()
if curr_addr is not None:
curr_host = "%s (%s)" % (curr_name, curr_addr)
else:
curr_host = "*"
print("%d %s" % (ttl, curr_host))
ttl += 1
if curr_name == dest_name or curr_addr == dest_addr or ttl > max_hops:
break
if __name__ == "__main__":
traceroute(str(sys.argv[1]), int(sys.argv[2]), int(sys.argv[3]))
CommandLine.sh
$ sudo python Traceroute_python3.py 8.8.8.8 33434 30
$ sudo python Traceroute_python3.py google.com 32141 30
Anscheinend mischt es sich mit einer normalen Traceroute, sodass in diesem Bereich möglicherweise Verbesserungspotenzial besteht.
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