def SaveTx(self, rawpkt, lif):
if rawpkt is None:
return
logger.info("Saving TX Packet of Length:%d on Lif:%s to PCAP" %\
(len(rawpkt), lif.GID()))
key = lif.GID()
self.__init_db_entry(key)
spobj = scapyfactory.Parse(rawpkt)
self.pktsdb[key].append(spobj.GetScapyPacket())
return
def __init__(self, pktid, rawpkt, ports = None):
self.ports = ports
self.rawpkt = rawpkt
self.pktlen = len(rawpkt)
self.hdrs = []
self.hdrnames = []
self.spktobj = scapyfactory.Parse(rawpkt)
self.spkt = self.spktobj.spkt
self.pktid = pktid
self.__build_hdr_stack()
self.nhdrs = len(self.hdrs)
return
def Read(self):
"""
Reads a Buffer from Host Memory
:return:
"""
if not self._mem: return self.data
logger.info("Read %s" % self)
self.data = self.hostmemmgr.read(self._mem, self.size)
logger.info("=" * 30, "READ BUFFER", "=" * 30)
scapyfactory.Parse(self.data).Show()
logger.info("=" * 30, "END READ BUFFER", "=" * 30)
return self.data
def Write(self):
"""
Writes the buffer to Host Memory
:return:
"""
if not self._mem: return
logger.info("Writing %s" % self)
if self.data is None:
self.hostmemmgr.zero(self._mem, self.size)
else:
logger.info("=" * 30, "WRITING BUFFER", "=" * 30)
scapyfactory.Parse(self.data).Show()
self.hostmemmgr.write(self._mem, bytes(self.data))
logger.info("=" * 30, "END WRITING BUFFER", "=" * 30)
import infra.engine.comparators as crs
import infra.factory.scapyfactory as scapyfactory
from infra.penscapy.penscapy import *
from infra.common.logging import logger
logger.SetLoggingLevel(7)
rawbytes = [1] * 32
dolbytes = [0xFF] * 20
bnr = '-' * 20
pd = PENDOL()
crc = CRC()
#apkt = Ether()/IP()/TCP()/Raw(bytes(rawbytes))
apkt = Ether() / IP() / TCP()
apbytes = bytes(apkt)
print("%s ORIGINAL PACKET %s" % (bnr, bnr))
parsed_apkt = scapyfactory.Parse(apbytes)
parsed_apkt.Show(logger)
crc.crc = binascii.crc32(apbytes + bytes(pd))
print("%s WIRE PACKET %s" % (bnr, bnr))
#pdbytes = bytes(pd) + (crc.crc).to_bytes(4)
pdbytes = bytes(pd) + struct.pack("I", crc.crc)
(crc.crc).to_bytes(4, byteorder='little')
allbytes = apbytes + pdbytes
epkt = scapyfactory.Parse(allbytes)
epkt.Show(logger)