我想在Python中實現基於ICMP的Traceroute。我發現了一個非常有用的指南(https://blogs.oracle.com/ksplice/entry/learning_by_doing_writing_your),它允許我創建基於UDP的Traceroute,因此只需要修改即可。不過,我環顧四周,無法更改發送套接字並使其工作。有人能幫助我嗎?在Python中創建ICMP跟蹤路由
#!/usr/bin/python
import socket
def main(dest_name):
dest_addr = socket.gethostbyname(dest_name)
port = 33434
max_hops = 30
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("", (dest_name, port))
curr_addr = None
curr_name = None
try:
_, 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\t%s" % (ttl, curr_host)
ttl += 1
if curr_addr == dest_addr or ttl > max_hops:
break
if __name__ == "__main__":
main('google.com')
它是**接收**套接字,如果您不以root身份運行,會導致「操作不允許」。 – 2012-04-04 09:18:18
哪個平臺在運行?其實你提到的文章提到'因爲原始套接字需要root權限,所以traceroute通常是setuid。對於我們的目的,我們可以以root身份運行腳本:'。但是,它看起來像在RHEL5上,'traceroute'不是setuid root(參見http://traceroute.sourceforge.net/) – 2012-04-04 09:29:33
是在Ubuntu上運行並以root身份運行,沒有運行問題的問題是在運行時使用語法 – Jamesla 2012-04-04 11:31:53