import struct
import socket
import binascii
from twisted.names.client import getHostByName
from wx._misc import GetHostName


def sendarp(interface, atype, dip):
    rawsocket = socket.socket(socket.PF_PACKET, socket.SOCK_RAW, socket.SOCK_RAW)
    rawsocket.bind((interface, socket.SOCK_RAW))
    hwtype = struct.pack('!H', 0x0001)
    ptype = struct.pack('!H', 0x0806)
    iptype = struct.pack('!H', 0x0800)
    bcast_mac = struct.pack('!6B', *(0xFF,)*6)
    zero_mac = struct.pack('!6B', *(0x00,)*6)
    Hlen = struct.pack("!B", 0x0006)
    Plen = struct.pack("!B", 0x0004)
    ipstr = '192.168.1.102'
    ownip = socket.inet_aton(ipstr)
    ownmac = rawsocket.getsockname()[4]
    arp_request = struct.pack("!H", 0x0001)
    arp_reply = struct.pack("!H", 0x0002)
    arp_type = atype
    targetip = socket.inet_aton(dip)
    if atype == 'reply':
        arp_type = arp_reply
    else:
        arp_type = arp_request


    arppacket = [bcast_mac, ownmac, ptype, hwtype, iptype, Hlen, Plen, arp_type, ownmac, ownip, zero_mac, targetip ]
    ethpacket = [bcast_mac, ownmac, ptype]
    #print arppacket
    sarp = str(arppacket)
    stringeth = str(ethpacket)
    stringarp = stringeth.join(arppacket)


    rawsocket.send(''.join(arppacket))
    return True


rawsocket = socket.socket(socket.PF_PACKET, socket.SOCK_RAW, socket.htons(0x0806))

sendarp('wlan0', 'request', '192.168.1.142')
pkt = rawsocket.recvfrom(2048)
print pkt

arpheader = pkt[0][15:41]
hwtype = arpheader[0][0:1]
ptype = arpheader[1:3]
Hlen = arpheader[3:4]
Plen = arpheader[4:5]
Optype = arpheader[5:7]
Sendermac = arpheader[7:13]
Senderip = socket.inet_ntoa(arpheader[13:17])
Targetmac = arpheader[17:23]
Targetip = arpheader[23:27]


print binascii.hexlify(arpheader)
print binascii.hexlify(hwtype)
print ptype
print binascii.hexlify(ptype)
print binascii.hexlify(Hlen)
print binascii.hexlify(Plen)
print binascii.hexlify(Optype)
print binascii.hexlify(Sendermac)
print Senderip
print binascii.hexlify(Targetmac)
print struct.unpack("HHHH", Targetip)