def handle(self):
self.server.notifyAClientIsConnected()
self.log = logging.getLogger('netzob.Common.MMSTD.Actors.Network.NetworkServer_ConnectionHandler.py')
if not self.server.isMultipleConnectionAllowed() and len(self.server.getGeneratedInstances()) > 0:
return
self.log.info("A client has just initiated a connection on the server.")
self.server.notifyAClientIsConnected()
initialState = self.server.getInitialState()
vocabulary = self.server.getVocabulary()
isMaster = self.server.isMaster()
# we create a sub automata
automata = MMSTD(initialState, vocabulary)
# and duplicate the memory for this instance
duplicatedMemory = self.server.getMemory().duplicate()
# set client IP and Port source as the target IP:Port through memory
targetIP = self.client_address[0]
targetPort = self.client_address[1]
self.server.setTargetIP(targetIP)
self.server.setTargetPort(targetPort)
# We create an instantiated network server
instanciatedNetworkServer = InstanciatedNetworkServer(uuid.uuid4(), duplicatedMemory, "UDP", self.request, self.server.getBindIP(), self.server.getBindPort(), self.server.getTargetIP(), self.server.getTargetPort())
# Create the input and output abstraction layer
abstractionLayer = AbstractionLayer(instanciatedNetworkServer, vocabulary, Memory(), self.server.getCBInputSymbol(), self.server.getCBOutputSymbol())
# abstractionLayer = AbstractionLayer(instanciatedNetworkServer, vocabulary, Memory(vocabulary.getVariables()), self.server.getCBInputSymbol(), self.server.getCBOutputSymbol())
# And we create an MMSTD visitor for this
anID = str(uuid.uuid4())
self.subVisitor = MMSTDVisitor(anID, "Instance-" + anID, automata, isMaster, abstractionLayer)
self.log.info("An MMSTDVistor has been instantiated and assigned to the current network client.")
self.subVisitor.start()
# save it
self.server.addGeneratedInstance(self.subVisitor)
finish = not self.subVisitor.isAlive()
while (not finish):
try:
ready = select.select([self.request[1]], [], [], 1)
time.sleep(0.1)
finish = not self.subVisitor.isAlive()
except:
self.log.warn("The socket is not opened anymore!")
finish = True
self.subVisitor.join(None)
self.server.notifyAClientIsDisconnected()
self.log.warn("End of the execution of the UDP Connection handler")
def handle(self):
self.log = logging.getLogger(__name__)
if not self.server.isMultipleConnectionAllowed() and len(self.server.getGeneratedInstances()) > 0:
# self.log.warn("We do not adress this client, another one already connected")
return
self.log.info("A client has just initiated a connection on the server.")
self.server.notifyAClientIsConnected()
initialState = self.server.getInitialState()
vocabulary = self.server.getVocabulary()
isMaster = self.server.isMaster()
# we create a sub automata
automata = MMSTD(initialState, vocabulary)
# and duplicate the memory for this instance
duplicatedMemory = self.server.getMemory().duplicate()
# We create an instantiated network server
instanciatedNetworkServer = InstanciatedNetworkServer(uuid.uuid4(), duplicatedMemory, "TCP", self.request, self.server.getBindIP(), self.server.getBindPort(), self.server.getTargetIP(), self.server.getTargetPort())
# Create the input and output abstraction layer
abstractionLayer = AbstractionLayer(instanciatedNetworkServer, vocabulary, Memory(), self.server.getCBInputSymbol(), self.server.getCBOutputSymbol())
# abstractionLayer = AbstractionLayer(instanciatedNetworkServer, vocabulary, Memory(vocabulary.getVariables()), self.server.getCBInputSymbol(), self.server.getCBOutputSymbol())
# And we create an MMSTD visitor for this
anID = str(uuid.uuid4())
self.subVisitor = MMSTDVisitor(anID, "Instance-" + anID, automata, isMaster, abstractionLayer)
self.log.info("An MMSTDVistor has been instantiated and assigned to the current network client.")
self.subVisitor.start()
# save it
self.server.addGeneratedInstance(self.subVisitor)
finish = not self.subVisitor.isAlive()
while (not finish):
try:
ready = select.select([self.request], [], [], 1)
time.sleep(0.1)
finish = not self.subVisitor.isAlive()
except:
self.log.warn("The socket is not anymore opened !")
finish = True
# instanciatedNetworkServer.close()
self.subVisitor.join(None)
self.server.notifyAClientIsDisconnected()
# self.server.shutdown_request(self.request)
# self.server.close_request(self.request)
# self.server.shutdown()
self.log.warn("End of the execution of the TCP Connection handler")
def run(self):
self.log.info("Start the network oracle based on given MMSTD")
# Create a new and clean memory
memory = Memory()
# memory = Memory(self.mmstd.getVocabulary().getVariables())
memory.createMemory()
# Create the abstraction layer for this connection
abstractionLayer = AbstractionLayer(self.communicationChannel,
self.mmstd.getVocabulary(), memory)
# And we create an MMSTD visitor for this
anID = str(uuid.uuid4())
self.oracle = MMSTDVisitor(anID, "MMSTD-NetworkOracle", self.mmstd,
self.isMaster, abstractionLayer)
self.oracle.start()
while (self.oracle.isAlive()):
time.sleep(0.01)
self.log.warn("The network ORACLE has finished")
def createButton_clicked_cb(self, event):
"""callback executed when the user clicks on the create button"""
actorName = self._view.nameEntry.get_text()
if actorName is None or len(actorName) == 0:
errorMessage = _("Give a name to the actor")
self.displayErrorMessage(errorMessage)
return
# verify the name is unique
found = False
for actor in self.simulatorController.getCurrentProject().getSimulator(
).getActors():
if actor.getName() == actorName:
found = True
break
if found:
errorMessage = _("An actor already has this name.")
self.displayErrorMessage(errorMessage)
return
# initiator
initiator = self._view.initiatorCheckButton.get_active()
# Create the Channel
# retrieve the type (SERVER or CLIENT)
typeActorStr = self._view.typeComboBoxText.get_active_text()
if typeActorStr is None:
errorMessage = _("Specify the type of the actor.")
self.displayErrorMessage(errorMessage)
return
actorIsClient = False
if typeActorStr == _("CLIENT"):
actorIsClient = True
# retrieve the L4 protocol
l4Protocol = self._view.l4ProtocolComboBoxText.get_active_text()
if l4Protocol is None or (l4Protocol != "TCP" and l4Protocol != "UDP"):
errorMessage = _(
"Only UDP and TCP layer 4 protocols are supported.")
self.displayErrorMessage(errorMessage)
return
# retrieve IP and Ports
bindIP = self._view.bindIPEntry.get_text()
bindPort = self._view.bindPortEntry.get_text()
if bindPort is not None and len(bindPort) > 0:
try:
bindPort = int(bindPort)
except:
bindPort = -1
if bindPort <= 0:
errorMessage = _("Specify a valid bind port (int>0)")
self.displayErrorMessage(errorMessage)
return
else:
bindPort = None
targetIP = self._view.targetIPEntry.get_text()
targetPort = self._view.targetPortEntry.get_text()
if targetPort is not None and len(targetPort) > 0:
try:
targetPort = int(targetPort)
except:
targetPort = -1
if targetPort <= 0:
errorMessage = _("Specify a valid target port (int>0)")
self.displayErrorMessage(errorMessage)
return
else:
targetPort = None
communicationChannel = None
idChannel = str(uuid.uuid4())
# Initialize a memory with communication channels variables
memory = Memory()
if actorIsClient:
# Create a Client Network Actor
# target IP and target Port must be specified !
if targetIP is None or len(targetIP) == 0:
errorMessage = _("A network client requires a target IP.")
self.displayErrorMessage(errorMessage)
return
if targetPort is None:
errorMessage = _("A network client requires a target port.")
self.displayErrorMessage(errorMessage)
return
communicationChannel = NetworkClient(idChannel, memory, l4Protocol,
bindIP, bindPort, targetIP,
targetPort)
else:
# Create a Server Network Actor
# bind IP and bind Port must be specified !
if bindIP is None or len(bindIP) == 0:
errorMessage = _("A network server requires a bind IP.")
self.displayErrorMessage(errorMessage)
return
if bindPort is None:
errorMessage = _("A network server requires a bind port.")
self.displayErrorMessage(errorMessage)
return
communicationChannel = NetworkServer(idChannel, memory, l4Protocol,
bindIP, bindPort, targetIP,
targetPort)
if communicationChannel is not None and memory is not None:
vocabulary = self.simulatorController.getCurrentProject(
).getVocabulary()
grammar = self.simulatorController.getCurrentProject().getGrammar()
# Create the abstraction layer
abstractionLayer = AbstractionLayer(communicationChannel,
vocabulary, memory)
# Create the MMSTD Visitor
actor = MMSTDVisitor(self.idActor, actorName,
grammar.getAutomata(), initiator,
abstractionLayer)
# Register the new actor
self.simulatorController.getCurrentProject().getSimulator(
).addActor(actor)
self._view.destroy()
self.simulatorController.restart()
