from scapy.all import Ether, IP, ICMP
from resources.libraries.python.PacketVerifier \
- import Interface, create_gratuitous_arp_request, auto_pad
+ import Interface, create_gratuitous_arp_request, auto_pad, checksum_equal
from resources.libraries.python.TrafficScriptArg import TrafficScriptArg
chksum = copy[IP].chksum
del copy[IP].chksum
tmp = IP(str(copy[IP]))
- if tmp.chksum != chksum:
+ if not checksum_equal(tmp.chksum, chksum):
raise RuntimeError('Received IPv4 packet contains invalid checksum, '
'{} instead of {}'.format(chksum, tmp.chksum))
chksum = copy[IP][ICMP].chksum
del copy[IP][ICMP].chksum
tmp = ICMP(str(copy[IP][ICMP]))
- if tmp.chksum != chksum:
+ if not checksum_equal(tmp.chksum, chksum):
raise RuntimeError('Received ICMP packet contains invalid checksum, '
'{} instead of {}'.format(chksum, tmp.chksum))