def build_arp_packet(self, opcode, hwdst, protodst):
arppkt = arp.arp()
arppkt.protosrc = self.myip.copy()
arppkt.protodst = protodst.copy()
arppkt.hwsrc = self.mymac.copy()
arppkt.opcode = opcode
return arppkt
def build_arp_packet(self, opcode, hwdst, protodst):
arppkt = arp.arp()
arppkt.protosrc = self.myip.copy()
arppkt.protodst = protodst.copy()
arppkt.hwsrc = self.mymac.copy()
arppkt.opcode = opcode
return arppkt
def create_arp_request(srcMAC, srcIP, dstIP):
arpRequest = arp()
arpRequest.hwdst = ETHER_ANY
# arpRequest.hwdst = ETHER_BROADCAST
arpRequest.protodst = dstIP
arpRequest.hwsrc = srcMAC
arpRequest.protosrc = srcIP
arpRequest.hwtype = arpRequest.HW_TYPE_ETHERNET
arpRequest.hwlen = 6
arpRequest.protolen = 4
arpRequest.opcode = arpRequest.REQUEST
ethRequest = ethernet()
ethRequest.dst = ETHER_BROADCAST
ethRequest.src = srcMAC
ethRequest.type = ethernet.ARP_TYPE
ethRequest.set_payload(arpRequest)
return ethRequest.tostring()
def create_arp_request(srcMAC, srcIP, dstIP):
arpRequest = arp()
arpRequest.hwdst = ETHER_ANY
# arpRequest.hwdst = ETHER_BROADCAST
arpRequest.protodst = dstIP
arpRequest.hwsrc = srcMAC
arpRequest.protosrc = srcIP
arpRequest.hwtype = arpRequest.HW_TYPE_ETHERNET
arpRequest.hwlen = 6
arpRequest.protolen = 4
arpRequest.opcode = arpRequest.REQUEST
ethRequest = ethernet()
ethRequest.dst = ETHER_BROADCAST
ethRequest.src = srcMAC
ethRequest.type = ethernet.ARP_TYPE
ethRequest.set_payload(arpRequest)
return ethRequest.tostring()
def create_virtual_arp_response(packet, srcMAC, srcIP):
arpReqHeader = packet.find('arp')
arpResponse = arp()
arpResponse.hwdst = arpReqHeader.hwsrc
arpResponse.protodst = arpReqHeader.protosrc
arpResponse.hwsrc = srcMAC
arpResponse.protosrc = srcIP
arpResponse.hwtype = arpReqHeader.HW_TYPE_ETHERNET
arpResponse.hwlen = 6
arpResponse.prototype = arpResponse.PROTO_TYPE_IP
arpResponse.protolen = 4
arpResponse.opcode = arpResponse.REPLY
ethResponse = ethernet()
ethResponse.dst = packet.src
ethResponse.src = srcMAC
ethResponse.type = ethernet.ARP_TYPE
ethResponse.set_payload(arpResponse)
return ethResponse.tostring()
def create_virtual_arp_response(packet, srcMAC, srcIP):
arpReqHeader = packet.find('arp')
arpResponse = arp()
arpResponse.hwdst = arpReqHeader.hwsrc
arpResponse.protodst = arpReqHeader.protosrc
arpResponse.hwsrc = srcMAC
arpResponse.protosrc = srcIP
arpResponse.hwtype = arpReqHeader.HW_TYPE_ETHERNET
arpResponse.hwlen = 6
arpResponse.prototype = arpResponse.PROTO_TYPE_IP
arpResponse.protolen = 4
arpResponse.opcode = arpResponse.REPLY
ethResponse = ethernet()
ethResponse.dst = packet.src
ethResponse.src = srcMAC
ethResponse.type = ethernet.ARP_TYPE
ethResponse.set_payload(arpResponse)
return ethResponse.tostring()