Exemplo n.º 1
0
 def __init__(self, protocol: str, verbose: bool, nic: str, adapterType: str, credentials: dict):
     self.logger = None
     self.protocols = [['tcp', 6], ['udp', 17], ['icmp', 1], ['all', 0]]
     self.startDateTime = datetime.now();
     self.setVerbose(verbose)
     self.setProtocol(protocol)
     self.setNic(nic)
     self.protocolIndex = list(filter(lambda pr: pr[0] == self.getProtocol(), self.protocols))[0][1]
     self.sessionData = SessionData()
     self.statAdapter = SqlFactory.factory(adapterType, credentials)
Exemplo n.º 2
0
class Listener:
    
    ETHERNET_HEADER_LENGTH = 14
    ETHERNET_UNPACK_HEADER = '!6s6sH'
    BUFFER_SIZE = 65565
    
    
    def __init__(self, protocol: str, verbose: bool, nic: str, adapterType: str, credentials: dict):
        self.logger = None
        self.protocols = [['tcp', 6], ['udp', 17], ['icmp', 1], ['all', 0]]
        self.startDateTime = datetime.now();
        self.setVerbose(verbose)
        self.setProtocol(protocol)
        self.setNic(nic)
        self.protocolIndex = list(filter(lambda pr: pr[0] == self.getProtocol(), self.protocols))[0][1]
        self.sessionData = SessionData()
        self.statAdapter = SqlFactory.factory(adapterType, credentials)
        # self.interfaces = self.getInterfaces()
        # self.getAllConnections()
        
    @staticmethod
    def getInterfaces() -> list:
        networkInterfaces = netifaces.interfaces()
        networkInterfaces.append('all')
        return networkInterfaces
   
    '''
    gets the stream creates Packets, parses and saves them if needed
    '''  
    def getPartyStarted(self):
        allConnectionsSocket = socket.socket(socket.AF_PACKET, socket.SOCK_RAW, socket.ntohs(0x0003))
        
        if self.getNic() != 'all':
            allConnectionsSocket.setsockopt(socket.SOL_SOCKET, 25, self.getNic().encode())
        print(self.startDateTime.strftime('Started Listening at - %H:%M:%S:%f | %b %d %Y'))
        # receive a packet
        while True:
            binPacket, sendersInfo = allConnectionsSocket.recvfrom(self.BUFFER_SIZE)
            # networkAdapter = sendersAddressInfo[0]
     
            ethernetHeader = binPacket[:self.ETHERNET_HEADER_LENGTH]
            unpackedEthernetHeader = unpack(self.ETHERNET_UNPACK_HEADER , ethernetHeader)
          
            transportProtocol = socket.ntohs(unpackedEthernetHeader[2])
            # only ip stuff is supported for now
            if(transportProtocol == 8):
                ipObj = IpPacket(binPacket, self.ETHERNET_HEADER_LENGTH)
                if self.getVerbose() == True: print(ipObj.getMsg())
                
                if (self.getProtocol() == 'all' or self.protocolIndex == ipObj.protocol):
                    ipChildPacketBinMargin = ipObj.iphLength + self.ETHERNET_HEADER_LENGTH
                    packetObj = IpFactory.factory(ipObj.protocol, binPacket, ipChildPacketBinMargin)
                    if self.getVerbose() == True: print(packetObj.getMsg())
                    if self.getLogger() != None:  packetObj.writeToLog(self.getLogger(), self.getLogFormat())
                    self.sessionData.addPacket(ipObj, packetObj)
                    packetObj.toAddress = ipObj.toAddress
                    packetObj.fromAddress = ipObj.fromAddress
                    packetObj.protocol = ipObj.protocol
                    self.statAdapter.recordPacket(packetObj)

    def printStatistic(self):
        endTime = datetime.now()
        print(endTime.strftime('Finished Listening at - %H:%M:%S:%f | %b %d %Y'))
        print('Listened for ' + str(endTime - self.startDateTime))
        print(self.sessionData.jsonify())
           
    def getPort(self):
        return self.port
    def setPort(self, port):
        self.port = port
    
    def getVerbose(self):
        return self.verbose
    def setVerbose(self, verbose):
        self.verbose = verbose
    
    def getNic(self):
        return self.nic
  
    def setNic(self, nic):
        if nic not in self.getInterfaces():
            raise Exception("NIC must be in (" + ', '.join(self.getInterfaces()) + ')')
        self.nic = nic
    
    def getProtocol(self):
        return self.protocol
    def setProtocol(self, protocol):
        self.protocol = str.lower(protocol)      
    
    def getLogger(self):
        return self.logger
    def setLogger(self, logger):
        self.logger = logger
        return self