Small helper scritpt to replay Scapy traffic

scapy_network_traffic_replay.py

#!/usr/bin/env python

from scapy.arch import get_if_hwaddr, get_if_addr, get_if_addr6
from scapy.config import conf
from scapy.layers.inet import IP
from scapy.layers.inet6 import IPv6
from scapy.layers.l2 import Ether
from scapy.sendrecv import sendp, send
from scapy.utils import rdpcap


def network_replay():
    pkts = rdpcap("capture.pcapng")
    for pkt in pkts:
        if IP in pkt:
            pkt[IP].src = get_if_addr(conf.iface)
        if IPv6 in pkt:
            pkt[IPv6].src = get_if_addr6(conf.iface)
        if Ether in pkt:
            pkt[Ether].src = get_if_hwaddr(conf.iface)
        try:
            del pkt.chksum
        except AttributeError:
            pass
        print("ready: " + pkt.summary())
        sendp(pkt)


if __name__ == '__main__':
    network_replay()

# activate venv
# run sudo ./main.py