async def recv(self):
rx_frame = await self.sink.recv()
eth = Ether()
eth.dst = rx_frame.eth_dest_mac.integer.to_bytes(6, 'big')
eth.src = rx_frame.eth_src_mac.integer.to_bytes(6, 'big')
eth.type = rx_frame.eth_type.integer
arp = ARP()
arp.hwtype = rx_frame.arp_htype.integer
arp.ptype = rx_frame.arp_ptype.integer
arp.hwlen = rx_frame.arp_hlen.integer
arp.plen = rx_frame.arp_plen.integer
arp.op = rx_frame.arp_oper.integer
arp.hwsrc = rx_frame.arp_sha.integer.to_bytes(6, 'big')
arp.psrc = rx_frame.arp_spa.integer
arp.hwdst = rx_frame.arp_tha.integer.to_bytes(6, 'big')
arp.pdst = rx_frame.arp_tpa.integer
rx_pkt = eth / arp
return Ether(bytes(rx_pkt))
def getARPPacket(self):
"""
构造ARP数据包
:return:
"""
try:
arp_packet = ARP()
arp_packet.hwtype = int(self.entries[0].get())
arp_packet.ptype = int(self.entries[1].get())
arp_packet.op = int(self.entries[2].get())
arp_packet.hwlen = int(self.entries[3].get())
arp_packet.plen = int(self.entries[4].get())
arp_packet.hwdst = self.entries[5].get()
arp_packet.psrc = self.entries[6].get()
arp_packet.hwsrc = self.entries[7].get()
arp_packet.pdst = self.entries[8].get()
arp_packet.show()
self.resultText.insert('end', arp_packet.summary() + '\n')
self.resultText.insert('end', str(arp_packet) + '\n')
return Ether() / arp_packet
except Exception as e:
print(e.with_traceback())
finally:
pass