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https://port.numenaute.org/aleajactaest/clientbot.git
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416 lines
24 KiB
Python
Executable file
416 lines
24 KiB
Python
Executable file
#!/usr/bin/python3
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# -*- coding: utf-8 -*-
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#
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# script to read pcap file (communcation with khanat)
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#
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# Copyright (C) 2019 AleaJactaEst
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# Ex.:
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# sudo tcpdump -i docker0 -w capture2.pcap
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# ./spykhanat.py --pcap-file=../capture2.pcap --msg-xml=../khanat-opennel-code/code/ryzom/common/data_common/msg.xml
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import argparse
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import logging
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from pcapfile import savefile
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from pcapfile.protocols.linklayer import ethernet
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from pcapfile.protocols.network import ip
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from pcapfile.protocols.transport import udp
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from pcapfile.protocols.transport import tcp
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import binascii
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import re
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from tools import BitStream
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from tools import Enum
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from tools import CActionFactory
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from tools import CBitSet
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from tools import DecodeImpulse
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from tools import World
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from tools import CGenericMultiPartTemp
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from tools import CImpulseDecoder
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from tools import CStringManager
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from tools import CAction
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import xml.etree.ElementTree as ET
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LOGGER = 'SpyKhanat'
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#file = open('capture2.pcap' , 'rb')
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#pcapfile = savefile.load_savefile(file,verbose=True)
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#pkt = pcapfile.packets[0]
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#print(pkt.raw())
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#print(pkt.timestamp)
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#eth_frame = ethernet.Ethernet(pkt.raw())
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#print(eth_frame)
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#ip_packet = ip.IP(binascii.unhexlify(eth_frame.payload))
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#print(ip_packet)
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class SpyPcap():
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def __init__(self, khanat_host_service, pcap_file, msg_xml, filter_host_service, show_raw_packet, show_message_decoded):
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if khanat_host_service:
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self.khanat_host_service = re.compile(khanat_host_service)
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else:
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self.khanat_host_service = None
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self.pcap_file = pcap_file
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self.msg_xml = msg_xml
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if filter_host_service:
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self.filter_host_service = re.compile(filter_host_service)
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else:
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self.filter_host_service = None
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self.show_raw_packet = show_raw_packet
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self.show_message_decoded = show_message_decoded
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self.actionFactory = CActionFactory.CActionFactory(None)
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self.client_state = {}
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self.decodeImpulse = DecodeImpulse.DecodeImpulse()
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fp = open(msg_xml , 'rt')
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msgRawXml = fp.read()
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self.msgXml = ET.fromstring(msgRawXml)
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self.decodeImpulse.loadMsg(self.msgXml)
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def readRaw(self):
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file = open( self.pcap_file , 'rb')
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pcapfile = savefile.load_savefile(file,verbose=False)
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for pkt in pcapfile.packets:
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print("pkt:", dir(pkt))
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print("pkt.header:", dir(pkt.header))
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print("pkt.packet:", dir(pkt.packet))
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logging.getLogger(LOGGER).debug("raw: %s" % pkt.raw())
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logging.getLogger(LOGGER).debug("timestamp: %s" % pkt.timestamp)
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eth_frame = ethernet.Ethernet(pkt.raw())
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logging.getLogger(LOGGER).debug("eth_frame: %s" % eth_frame)
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if eth_frame.type == 2048:
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ip_packet = ip.IP(binascii.unhexlify(eth_frame.payload))
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logging.getLogger(LOGGER).debug("ip packet: %s" % ip_packet)
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print("ip_packet:", dir(ip_packet))
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logging.getLogger(LOGGER).debug("ip packet: %s ->%s" % (ip_packet.src.decode(), ip_packet.dst.decode()) )
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if ip_packet.p == 17:
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# UDP
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logging.getLogger(LOGGER).debug("ip packet: protocol UDP (%s)" % ip_packet.p)
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udp_packet = udp.UDP(binascii.unhexlify(ip_packet.payload))
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print("udp_packet:", dir(udp_packet))
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logging.getLogger(LOGGER).debug("UDP packet: %s" % udp_packet)
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data = udp_packet.payload
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print("data:", dir(data))
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logging.getLogger(LOGGER).debug("data packet: %s" % data)
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data = udp_packet.payload
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logging.getLogger(LOGGER).info("data packet: timestamp:%s src:%s:%d dst:%s:%d data:%s" % (pkt.timestamp,
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ip_packet.src.decode(), udp_packet.src_port,
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ip_packet.dst.decode(), udp_packet.dst_port,
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data.decode()))
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elif ip_packet.p == 6:
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# TCP
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logging.getLogger(LOGGER).debug("ip packet: protocol TCP (%s)" % ip_packet.p)
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tcp_packet = tcp.TCP(binascii.unhexlify(ip_packet.payload))
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data = tcp_packet.payload
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logging.getLogger(LOGGER).info("data packet: timestamp:%s src:%s:%d dst:%s:%d data:%s" % (pkt.timestamp,
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ip_packet.src.decode(), tcp_packet.src_port,
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ip_packet.dst.decode(), tcp_packet.dst_port,
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data.decode()))
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else:
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logging.getLogger(LOGGER).debug("ip packet: protocol (%s)" % ip_packet.p)
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def detect_khanat_server(self, packets):
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hostdetected = {}
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for pkt in packets:
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eth_frame = ethernet.Ethernet(pkt.raw())
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if eth_frame.type == 2048:
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ip_packet = ip.IP(binascii.unhexlify(eth_frame.payload))
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if ip_packet.p == 17: # UDP
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udp_packet = udp.UDP(binascii.unhexlify(ip_packet.payload))
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data = udp_packet.payload
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host = "%s:%d" % (ip_packet.src.decode(), udp_packet.src_port)
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hostdetected.setdefault(host, 0)
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if len(data) == 20:
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hostdetected[host] += 1
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id = None
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max = 0
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for host in hostdetected:
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if id:
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if max < hostdetected[host]:
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max = hostdetected[host]
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id = host
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else:
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max = hostdetected[host]
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id = host
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logging.getLogger(LOGGER).info("khanat host :%s" % id)
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return id
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def initialize_client(self, clientid):
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self.client_state.setdefault(clientid, {'CurrentReceivedNumber': 0,
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'CurrentSendNumber': 0,
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'LastReceivedAck': 0,
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'RegisteredAction': {},
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'world': World.World(),
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'GenericMultiPartTemp': CGenericMultiPartTemp.GenericMultiPartTemp(),
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'CImpulseDecoder': None,
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'LastAck0': [-1],
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'LastAck1': [-1, -1],
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'LastAck2': [-1, -1, -1, -1]})
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self.client_state[clientid]['CImpulseDecoder'] = CImpulseDecoder.CImpulseDecoder(self.client_state[clientid]['world'])
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def add_registered_action(self, clientid, action):
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self.client_state[clientid]['RegisteredAction'].setdefault(action.Code, [])
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self.client_state[clientid]['RegisteredAction'][action.Code].append(action)
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def decode_server(self, clientid, msgin, receivedPacket, receivedAck, nextSentPacket=0):
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actions = []
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for level in range(0, 3):
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if level == 0:
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lAck = self.client_state[clientid]['LastAck0']
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channel = 0
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elif level == 1:
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lAck = self.client_state[clientid]['LastAck1']
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channel = receivedPacket & 1
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elif level == 2:
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lAck = self.client_state[clientid]['LastAck2']
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channel = receivedPacket & 3
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keep = True
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checkOnce = False
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num = 0
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#logging.getLogger(LOGGER).debug("level:%d channel:%d lAck:%s" %(level, channel, ':'.join([str(x) for x in lAck])))
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# lastAck = lAck[channel]
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while True:
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next = msgin.readBool('next:' + str(level) + ':' + str(channel))
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if not next:
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break
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if not checkOnce:
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checkOnce = True
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keep = receivedAck >= lAck[channel]
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logging.getLogger(LOGGER).debug("keep:%s [%d => %d]" % (str(keep), receivedAck, lAck[channel]))
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if keep:
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lAck[channel] = nextSentPacket
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logging.getLogger(LOGGER).debug("lAck:%s" % ':'.join([str(x) for x in lAck]))
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pass
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num += 1
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#actionFactory = CAction.CActionFactory(None)
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action = self.actionFactory.unpack(msgin)
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logging.getLogger(LOGGER).debug("action:%s" % action)
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#action = self._CActionFactory.unpack(msgin)
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if keep:
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logging.getLogger(LOGGER).debug("keep Code:%s" % str(action.Code))
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actions.append(action)
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elif action:
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logging.getLogger(LOGGER).debug("append Code:%s" % str(action.Code))
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self.add_registered_action(clientid, action)
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return actions
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def decode_client_receive_normal_message(self, msgin, clientid, dst):
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actions = self.client_state[clientid]['CImpulseDecoder'].decode(msgin, self.client_state[clientid]['CurrentReceivedNumber'], self.client_state[clientid]['LastReceivedAck'], self.client_state[clientid]['CurrentSendNumber'] )
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logging.getLogger(LOGGER).info("[Client -> Khanat] actions:%s" % str(actions))
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# decodeVisualProperties( msgin );
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def decode_client_message(self, msgin, clientid, dst):
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CurrentReceivedNumber = msgin.readSint32('CurrentReceivedNumber')
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SystemMode = msgin.readBool('SystemMode')
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logging.getLogger(LOGGER).debug("[Client -> Khanat] {CurrentReceivedNumber:%d, SystemMode:%d, src:%s, dst:%s}" % (CurrentReceivedNumber, SystemMode, clientid, dst))
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self.initialize_client(clientid)
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self.client_state[clientid]['CurrentReceivedNumber'] = CurrentReceivedNumber
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if not SystemMode:
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LastReceivedAck = msgin.readSint32('LastReceivedAck')
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self.client_state[clientid]['LastReceivedAck'] = LastReceivedAck
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logging.getLogger(LOGGER).info("[Client -> Khanat] Normal Mode {CurrentReceivedNumber:%d, src:%s, dst:%s, LastReceivedAck:%d}" % (CurrentReceivedNumber, clientid, dst, LastReceivedAck))
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#self.decode_server(msgin, _CurrentReceivedNumber, _CurrentReceivedNumber-1)
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self.decode_client_receive_normal_message(msgin, clientid, dst)
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else:
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message = msgin.readUint8('message')
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try:
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typeMessage = Enum.CLFECOMMON(message).name
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except ValueError:
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typeMessage = "Unknown"
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if message == Enum.CLFECOMMON.SYSTEM_LOGIN_CODE:
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UserAddr = msgin.readUint32('UserAddr')
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UserKey = msgin.readUint32('UserKey')
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UserId = msgin.readUint32('UserId')
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LanguageCode = msgin.readString('LanguageCode')
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logging.getLogger(LOGGER).info("[Client -> Khanat] System Mode:%s {CurrentReceivedNumber:%d, src:%s, dst:%s, UserAddr:%d, UserId:%d, UserAddr:%d LanguageCode:%s}" %
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(typeMessage, CurrentReceivedNumber, clientid, dst, UserAddr, UserKey, UserId, LanguageCode))
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elif message == Enum.CLFECOMMON.SYSTEM_PROBE_CODE:
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LatestProbe = msgin.readSint32('LatestProbe')
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logging.getLogger(LOGGER).info("[Client -> Khanat] System Mode:%s probe:%d {CurrentReceivedNumber:%d, src:%s, dst:%s}" % (typeMessage,
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LatestProbe, CurrentReceivedNumber, clientid, dst))
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elif message == Enum.CLFECOMMON.SYSTEM_SYNC_CODE:
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Synchronize = msgin.readUint32('Synchronize')
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stime = msgin.readSint64('stime')
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LatestSync = msgin.readUint32('LatestSync')
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MsgData = msgin.readArrayUint8(16, 'MsgData')
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md5Msg = bytes(MsgData)
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DatabaseData = msgin.readArrayUint8(16, 'DatabaseData')
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md5Database = bytes(DatabaseData)
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logging.getLogger(LOGGER).info("[Client -> Khanat] System Mode:%s {CurrentReceivedNumber:%d, src:%s, dst:%s, Synchronize:%d, stime:%d, LatestSync:%d, MsgData:%s, DatabaseData:%s}" % (
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typeMessage, CurrentReceivedNumber, clientid, dst, Synchronize, stime, LatestSync, binascii.hexlify(md5Msg).decode(), binascii.hexlify(md5Database).decode()))
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elif message == Enum.CLFECOMMON.SYSTEM_ACK_SYNC_CODE:
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LastReceivedNumber = msgin.readSint32('LastReceivedNumber')
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LastAckInLongAck = msgin.readSint32('LastAckInLongAck')
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LongAckBitField = CBitSet.CBitSet()
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LongAckBitField.readSerial(msgin, 'LongAckBitField')
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LatestSync = msgin.readSint32('LatestSync')
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logging.getLogger(LOGGER).info("[Client -> Khanat] System Mode:%s {CurrentReceivedNumber:%d, src:%s, dst:%s, LastReceivedNumber:%d, LastAckInLongAck:%d, LatestSync:%d, LongAckBitField:%s}" % (
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typeMessage, CurrentReceivedNumber, clientid, dst, LastReceivedNumber, LastAckInLongAck, LatestSync, LongAckBitField))
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elif message == Enum.CLFECOMMON.SYSTEM_ACK_PROBE_CODE:
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SizeLatestProbes = msgin.readSint32('SizeLatestProbes')
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LatestProbes = []
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for data in range(0, SizeLatestProbes):
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LatestProbes.append(msgin.readSint32('LatestProbes'))
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logging.getLogger(LOGGER).info("[Client -> Khanat] System Mode:%s (%d) {CurrentReceivedNumber:%d, src:%s, dst:%s, SizeLatestProbes:%d, LatestProbes:%s}" % (typeMessage, message, CurrentReceivedNumber, clientid, dst, SizeLatestProbes, str(LatestProbes)))
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else:
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logging.getLogger(LOGGER).info("[Client -> Khanat] System Mode:%s (%d) {CurrentReceivedNumber:%d, src:%s, dst:%s}" % (typeMessage, message, CurrentReceivedNumber, clientid, dst))
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logging.getLogger(LOGGER).debug("[Client -> Khanat] msg:%s" % msgin.showAllData())
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def decode_khanat_message(self, msgin, src, dst):
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CurrentSendNumber = msgin.readSint32('CurrentSendNumber')
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logging.getLogger(LOGGER).debug("[Khanat -> Client] {CurrentSendNumber:%d, src:%s, dst:%s}" % (CurrentSendNumber, src, dst))
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SystemMode = msgin.readBool('SystemMode')
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self.initialize_client(dst)
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self.client_state[dst]['CurrentSendNumber'] = CurrentSendNumber
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if not SystemMode:
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_LastReceivedAck = msgin.readSint32('LastReceivedAck');
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logging.getLogger(LOGGER).debug("[Khanat -> Client] Normal Mode {CurrentSendNumber:%d, src:%s, dst:%s, _LastReceivedAck:%d}" % (CurrentSendNumber, src, dst, _LastReceivedAck))
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actions = self.decode_server(dst, msgin, CurrentSendNumber, CurrentSendNumber-1)
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if actions:
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logging.getLogger(LOGGER).debug('list actions: [' + str(len(actions)) + '] ' +','.join( [ str(x) for x in actions] ) )
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else:
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logging.getLogger(LOGGER).debug('list actions: None')
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# Decode the actions received in the impulsions
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logging.getLogger(LOGGER).debug('=' * 80)
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for action in actions:
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logging.getLogger(LOGGER).debug('-' * 80)
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logging.getLogger(LOGGER).debug('Analyse actions:%s', action)
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if action.Code == Enum.TActionCode.ACTION_DISCONNECTION_CODE:
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logging.getLogger(LOGGER).info("Action : ACTION_DISCONNECTION_CODE")
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elif action.Code == Enum.TActionCode.ACTION_GENERIC_CODE:
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action.genericAction(self.decodeImpulse, self.client_state[dst]['world'], self.client_state[dst]['GenericMultiPartTemp'])
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logging.getLogger(LOGGER).info("[Khanat -> Client] ACTION_GENERIC_CODE : {CurrentSendNumber:%d, src:%s, dst:%s, _LastReceivedAck:%d, action:%s}" % (CurrentSendNumber, src, dst, _LastReceivedAck, action))
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elif action.Code == Enum.TActionCode.ACTION_GENERIC_MULTI_PART_CODE:
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action.genericAction(self.decodeImpulse, self.client_state[dst]['world'], self.client_state[dst]['GenericMultiPartTemp'])
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logging.getLogger(LOGGER).debug("[Khanat -> Client] ACTION_GENERIC_MULTI_PART_CODE : %s" % action)
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for id in self.client_state[dst]['GenericMultiPartTemp'].data:
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if self.client_state[dst]['GenericMultiPartTemp'].data[id].isAvailable():
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logging.getLogger(LOGGER).info("[Khanat -> Client] ACTION_GENERIC_MULTI_PART_CODE {CurrentSendNumber:%d, src:%s, dst:%s, _LastReceivedAck:%d, id:%d, msg:%s}" % (CurrentSendNumber, src, dst, _LastReceivedAck, id, self.client_state[dst]['GenericMultiPartTemp'].data[id].read().showAllData()))
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elif action.Code == Enum.TActionCode.ACTION_DUMMY_CODE:
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logging.getLogger(LOGGER).info("Action : ACTION_DUMMY_CODE")
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self.add_registered_action(dst, action)
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# # remove all old actions that are acked
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# while self._Actions and self._Actions[0].FirstPacket != 0 and self._Actions[0].FirstPacket < self._LastReceivedAck:
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# logging.getLogger(LOGGER).debug("remove old action [%d/%d] : %s" % (self._Actions[0].FirstPacket, self._LastReceivedAck, self._Actions[0]))
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# self._Actions.pop(0)
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else:
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message = msgin.readUint8('message')
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logging.getLogger(LOGGER).debug("[Khanat -> Client] System Mode {CurrentSendNumber:%d, src:%s, dst:%s, message:%d" % (CurrentSendNumber, src, dst, message))
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if message == Enum.CLFECOMMON.SYSTEM_SYNC_CODE:
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logging.getLogger(LOGGER).debug("[Khanat -> Client] Synchronize")
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Synchronize = msgin.readUint32('Synchronize')
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stime = msgin.readSint64('stime')
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LatestSync = msgin.readUint32('LatestSync')
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MsgData = msgin.readArrayUint8(16, 'MsgData')
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DatabaseData = msgin.readArrayUint8(16, 'DatabaseData')
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logging.getLogger(LOGGER).info("[Khanat -> Client] System Mode / Synchronize {CurrentSendNumber:%d, src:%s, dst:%s, message:%d, Synchronize:%d, stime:%d, LatestSync:%d, MsgData:%s, DatabaseData:%s}" % (CurrentSendNumber, src, dst, message, Synchronize, stime, LatestSync, str(MsgData), str(DatabaseData)))
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elif message == Enum.CLFECOMMON.SYSTEM_STALLED_CODE:
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logging.getLogger(LOGGER).debug("[Khanat -> Client] Stalled")
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logging.getLogger(LOGGER).info("[Khanat -> Client] System Mode / Stalled {CurrentSendNumber:%d, src:%s, dst:%s, message:%d}" % (CurrentSendNumber, src, dst, message))
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elif message == Enum.CLFECOMMON.SYSTEM_PROBE_CODE:
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logging.getLogger(LOGGER).debug("[Khanat -> Client] Probe")
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LatestProbe = msgin.readSint32('LatestProbe')
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logging.getLogger(LOGGER).info("[Khanat -> Client] System Mode / Probe {CurrentSendNumber:%d, src:%s, dst:%s, message:%d, LatestProbe:%d}" % (CurrentSendNumber, src, dst, message, LatestProbe))
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elif message == Enum.CLFECOMMON.SYSTEM_SERVER_DOWN_CODE:
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logging.getLogger(LOGGER).info("[Khanat -> Client] System Mode / BACK-END DOWN {CurrentSendNumber:%d, src:%s, dst:%s, message:%d}" % (CurrentSendNumber, src, dst, message))
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else:
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logging.getLogger(LOGGER).warning("CNET: received system %d in state Login" % message)
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#cActionFactory = CAction.CActionFactory(None)
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#cActionFactory.unpack(msgin)
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logging.getLogger(LOGGER).debug("[Khanat -> Client] msg:%s" % msgin.showAllData())
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def read(self):
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file = open( self.pcap_file , 'rb')
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pcapfile = savefile.load_savefile(file,verbose=False)
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khanat_host = self.detect_khanat_server(pcapfile.packets)
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for pkt in pcapfile.packets:
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eth_frame = ethernet.Ethernet(pkt.raw())
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if eth_frame.type == 2048:
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ip_packet = ip.IP(binascii.unhexlify(eth_frame.payload))
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if ip_packet.p == 17:
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# UDP
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udp_packet = udp.UDP(binascii.unhexlify(ip_packet.payload))
|
|
data = udp_packet.payload
|
|
if udp_packet.src_port == 53 or udp_packet.dst_port == 53:
|
|
continue
|
|
if not self.filter_host_service or self.filter_host_service.match("%s:%d" % (ip_packet.src.decode(), udp_packet.src_port)) or self.filter_host_service.match("%s:%d" % (ip_packet.dst.decode(), udp_packet.dst_port)):
|
|
logging.getLogger(LOGGER).debug("-" * 80)
|
|
if self.show_raw_packet:
|
|
logging.getLogger(LOGGER).debug("[raw packet] timestamp:%s src:%s:%d dst:%s:%d data:%s" % (pkt.timestamp,
|
|
ip_packet.src.decode(), udp_packet.src_port,
|
|
ip_packet.dst.decode(), udp_packet.dst_port,
|
|
data.decode()))
|
|
msgin = BitStream.BitStream()
|
|
msgin.fromBytes(binascii.unhexlify(data))
|
|
src = "%s:%d" % (ip_packet.src.decode(), udp_packet.src_port)
|
|
dst = "%s:%d" % (ip_packet.dst.decode(), udp_packet.dst_port)
|
|
if (self.khanat_host_service and self.khanat_host_service.match(src)) or ( not self.khanat_host_service and khanat_host == src):
|
|
self.decode_khanat_message(msgin, src, dst)
|
|
else:
|
|
self.decode_client_message(msgin, src, dst)
|
|
if self.show_message_decoded:
|
|
logging.getLogger(LOGGER).debug("[message decoded] %s" % msgin.showAllData())
|
|
for client in self.client_state:
|
|
logging.getLogger(LOGGER).debug("%s [server tick:%d, client tick:%d]" %(client, self.client_state[client]['CurrentSendNumber'], self.client_state[client]['CurrentReceivedNumber']))
|
|
|
|
|
|
def main():
|
|
FORMAT = '%(asctime)-15s %(levelname)s %(filename)s:%(lineno)d %(message)s'
|
|
logging.basicConfig(format=FORMAT)
|
|
|
|
logger = []
|
|
logger.append(logging.getLogger(LOGGER))
|
|
logger.append(logging.getLogger(CImpulseDecoder.LOGGER))
|
|
#logger.append(logging.getLogger(DecodeImpuls.LOGGER))
|
|
#logger.append(logging.getLogger(BitStream.LOGGER))
|
|
logger.append(logging.getLogger(CStringManager.LOGGER))
|
|
logger.append(logging.getLogger(CAction.LOGGER))
|
|
logger.append(logging.getLogger(CActionFactory.LOGGER))
|
|
CImpulseDecoder
|
|
# logger.append(logging.getLogger('CGenericMultiPartTemp'))
|
|
|
|
parser = argparse.ArgumentParser()
|
|
parser.add_argument("--khanat-host-service", help="filter to detect khanat host:service (FES)")
|
|
parser.add_argument("--filter-host-service", help="filter host:service")
|
|
parser.add_argument("-d", "--debug", help="show debug message", action='store_true')
|
|
parser.add_argument("-p", "--pcap-file", help="file pcap to read", required=True)
|
|
parser.add_argument("-m", "--msg-xml", help="file msg.xml (from server khanat)", required=True)
|
|
parser.add_argument("-r", "--raw", help="show message raw", action='store_true')
|
|
parser.add_argument("--show-raw-packet", help="show packet (raw data)", action='store_true')
|
|
parser.add_argument("--show-message-decoded", help="show packet (raw data)", action='store_true')
|
|
|
|
args = parser.parse_args()
|
|
|
|
if args.debug:
|
|
level = logging.getLevelName('DEBUG')
|
|
else:
|
|
level = logging.getLevelName('INFO')
|
|
|
|
for logid in logger:
|
|
logid.setLevel(level)
|
|
logging.getLogger(LOGGER).info("Begin")
|
|
|
|
spy = SpyPcap(khanat_host_service=args.khanat_host_service, pcap_file=args.pcap_file, msg_xml=args.msg_xml, filter_host_service=args.filter_host_service,
|
|
show_raw_packet=args.show_raw_packet, show_message_decoded=args.show_message_decoded)
|
|
if args.raw:
|
|
spy.readRaw()
|
|
else:
|
|
spy.read()
|
|
logging.getLogger(LOGGER).info("End")
|
|
|
|
if __name__ == "__main__":
|
|
main()
|