from scapy.all import *
import time

def handle_pppoe(pkt):
    if PPPoEDiscovery in pkt and pkt[PPPoEDiscovery].ptype == 0x57:
        print("Received PPPoE Discovery Request")
        mac_src = pkt[Ether].src
        pppoe_sess_id = pkt[PPPoEDiscovery].sessionid
        print(f"MAC: {mac_src}, Session ID: {pppoe_sess_id}")

        # Create PPPoE Session Confirmation packet
        pppoe_sess_conf = Ether(src=get_if_hwaddr("eth0"), dst=mac_src) / \
                          PPPoE(sessionid=pppoe_sess_id) / \
                          PPP(proto=0xc021)

        # Send PPPoE Session Confirmation
        sendp(pppoe_sess_conf, iface="eth0")
        print("Sent PPPoE Session Confirmation")

        # Delay to simulate PPPoE connection process
        time.sleep(2)

        # Create DHCP Discover packet
        dhcp_discover = Ether(src=get_if_hwaddr("eth0"), dst="ff:ff:ff:ff:ff:ff") / \
                        IP(src="0.0.0.0", dst="255.255.255.255") / \
                        UDP(sport=68, dport=67) / \
                        BOOTP(chaddr=mac_src) / \
                        DHCP(options=[("message-type", "discover"), "end"])

        # Send DHCP Discover
        sendp(dhcp_discover, iface="eth0")
        print("Sent DHCP Discover")

sniff(prn=handle_pppoe, filter="ether proto 0x8863 or ether proto 0x8864", iface="eth0")