Question

Katie is writing a Python script to create a TAP interface. For each Ethernet frame the receives, it sends out a spoofed reply Ethernet frame with a fake source MAC address: aa:bb:cc:dd:ee:ff. Please complete the following code for this task. #!/usr/bin/python3 import fcntl import struct import os import time from scapy.all import * TUNSETIFF = 0x400454ca IFF_TUN = 0x0001 IFF_TAP = 0x0002 IFF_NO_PI = 0x1000 #Create the tap interface tap = os.open(1, os.O_RDWR) ifr = struct.pack('16sH', b'tap%d', IFF_TAP | IFF_NO_PI) ifname_bytes = fcntl.ioctl(tap, TUNSETIFF, ifr) #Get the interface name ifname = ifname_bytes.decode('UTF-8')[:16].strip("\x00") print("Interface Name: {}".format(ifname)) while True: #Get a packet from the tap interface packet = os.read(2, 2048) if True: ether = 3 newether = Ether(src=4, dst=5) newpkt = newether/ether.payload os.write(6, 7)

          Katie is writing a Python script to create a TAP interface. For each Ethernet frame the
receives, it sends out a spoofed reply Ethernet frame with a fake source MAC address:
aa:bb:cc:dd:ee:ff. Please complete the following code for this task.
#!/usr/bin/python3
import fcntl
import struct
import os
import time
from scapy.all import *
TUNSETIFF = 0x400454ca
IFF_TUN = 0x0001
IFF_TAP = 0x0002
IFF_NO_PI = 0x1000
#Create the tap interface
tap = os.open(1, os.O_RDWR)
ifr = struct.pack('16sH', b'tap%d', IFF_TAP | IFF_NO_PI)
ifname_bytes = fcntl.ioctl(tap, TUNSETIFF, ifr)
#Get the interface name
ifname = ifname_bytes.decode('UTF-8')[:16].strip("\x00")
print("Interface Name: {}".format(ifname))
while True:
#Get a packet from the tap interface
packet = os.read(2, 2048)
if True:
ether = 3
newether = Ether(src=4, dst=5)
newpkt = newether/ether.payload
os.write(6, 7)

Katie is writing a Python script to create a TAP interface. For each Ethernet frame the
receives, it sends out a spoofed reply Ethernet frame with a fake source MAC address:
aa:bb:cc:dd:ee:ff. Please complete the following code for this task.
#!/usr/bin/python3
import fcntl
import struct
import os
import time
from scapy.all import *
TUNSETIFF = 0x400454ca
IFFTUN = 0x0001
IFFTAP = 0x0002
IFFNOPI = 0x1000
#Create the tap interface
tap = os.open(1, os.ORDWR)
ifr = struct.pack('16sH', b'tap%d', IFFTAP | IFFNOPI)
ifnamebytes = fcntl.ioctl(tap, TUNSETIFF, ifr)
#Get the interface name
ifname = ifnamebytes.decode('UTF-8')[:16].strip("00")
print("Interface Name: ".format(ifname))
while True:
#Get a packet from the tap interface
packet = os.read(2, 2048)
if True:
ether = 3
newether = Ether(src=4, dst=5)
newpkt = newether/ether.payload
os.write(6, 7)

Added by Diana P.

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