Python raw socket Programming sample sharing

The following begins the construction of the HTTP packet,

The IP layer and TCP layer use Python's impacket Library, and the HTTP content is self-populated.

Copy the Code code as follows:

#!/usr/bin/env python

#-------------------------------------------------------------------------------
# Name:raw_http.py
# Purpose:construct a raw HTTP GET packet
#
# Author:yangjun
#
# created:08/02/2014
# Copyright: (c) Yangjun 2014
# Licence:
#-------------------------------------------------------------------------------

Import Sys
Import socket
From Impacket import Impactdecoder, Impactpacket

def main ():

If Len (SYS.ARGV) < 3:
Print "Use:%s "% sys.argv[0]
Print "Use:%s "% sys.argv[0]
Sys.exit (1)
Elif len (sys.argv) = = 3:
src = sys.argv[1]
DST = sys.argv[2]
CNT = 1
Elif Len (sys.argv) ==4:
src = sys.argv[1]
DST = sys.argv[2]
CNT = sys.argv[3]
Else
Print "Input error!"
Sys.exit (1)
#print SRC, DST
ip = Impactpacket.ip ()
IP.SET_IP_SRC (SRC)
IP.SET_IP_DST (DST)

# Create A new ICMP packet of type ECHO.
ICMP = impactpacket.icmp ()
TCP = IMPACTPACKET.TCP ()
Tcp.set_th_sport (55968)
Tcp.set_th_dport (80)
TCP.SET_TH_SEQ (1)
Tcp.set_th_ack (1)
Tcp.set_th_flags (0x18)
Tcp.set_th_win (64)

Tcp.contains (Impactpacket.data ("get/att/diylife/41264/528 http/1.1\r\nhost:192.168.111.1\r\naccept-encoding: identity\r\n\r\n "))

Ip.contains (TCP)

# Open a raw socket. Special permissions is usually required.
s = socket.socket (socket.af_inet, socket. SOCK_RAW, Socket. IPPROTO_TCP)
S.setsockopt (socket. IPPROTO_IP, Socket. IP_HDRINCL, 1)
seq_id = 0
While CNT >= 1:
# Calculate its checksum.
seq_id = seq_id + 1
Tcp.set_th_seq (seq_id)
Tcp.calculate_checksum ()

# Send it to the target host.
S.sendto (Ip.get_packet (), (dst,80))
Cnt= cnt-1

if __name__ = = ' __main__ ':
Main ()

after running the grab package as follows:

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