Ejemplo n.º 1
0
class MachineManager(object):
    """Base abstract class for analysis machine manager."""
    def __init__(self):
        self.module_name = ""
        self.options = None
        self.options_globals = Config(
            os.path.join(CUCKOO_ROOT, "conf", "cuckoo.conf"))
        # Database pointer.
        self.db = Database()
        # Machine table is cleaned to be filled from configuration file at each start.
        self.db.clean_machines()

    def set_options(self, options):
        """Set machine manager options.
        @param options: machine manager options dict.
        """
        self.options = options

    def initialize(self, module_name):
        """Read and load machines configuration, try to check the configuration.
        @param module_name: module name.
        """
        # Load.
        self._initialize(module_name)

        # Run initialization checks.
        self._initialize_check()

    def _initialize(self, module_name):
        """Read configuration.
        @param module_name: module name.
        """
        self.module_name = module_name
        mmanager_opts = self.options.get(module_name)

        for machine_id in mmanager_opts["machines"].strip().split(","):
            try:
                machine_opts = self.options.get(machine_id.strip())
                machine = Dictionary()
                machine.id = machine_id.strip()
                machine.label = machine_opts["label"].strip()
                machine.platform = machine_opts["platform"].strip()
                machine.ip = machine_opts["ip"].strip()

                self.db.add_machine(name=machine.id,
                                    label=machine.label,
                                    ip=machine.ip,
                                    platform=machine.platform)
            except (AttributeError, CuckooOperationalError):
                log.warning(
                    "Configuration details about machine %s are missing. Continue",
                    machine_id)
                continue

    def _initialize_check(self):
        """Runs checks against virtualization software when a machine manager 
        is initialized.
        @note: in machine manager modules you may override or superclass 
               his method.
        @raise CuckooMachineError: if a misconfiguration or a unkown vm state
                                   is found.
        """
        try:
            configured_vm = self._list()
        except NotImplementedError:
            return

        for machine in self.machines():
            if machine.label not in configured_vm:
                raise CuckooCriticalError(
                    "Configured machine {0} was not detected or it's not in proper state"
                    .format(machine.label))

        if not self.options_globals.timeouts.vm_state:
            raise CuckooCriticalError(
                "Virtual machine state change timeout setting not found, please add it to the config file"
            )

    def machines(self):
        """List virtual machines.
        @return: virtual machines list
        """
        return self.db.list_machines()

    def availables(self):
        """How many machines are free.
        @return: free machines count.
        """
        return self.db.count_machines_available()

    def acquire(self, machine_id=None, platform=None):
        """Acquire a machine to start analysis.
        @param machine_id: machine ID.
        @param platform: machine platform.
        @return: machine or None.
        """
        if machine_id:
            return self.db.lock_machine(name=machine_id)
        elif platform:
            return self.db.lock_machine(platform=platform)
        else:
            return self.db.lock_machine()

    def release(self, label=None):
        """Release a machine.
        @param label: machine name.
        """
        self.db.unlock_machine(label)

    def running(self):
        """Returns running virtual machines.
        @return: running virtual machines list.
        """
        return self.db.list_machines(locked=True)

    def shutdown(self):
        """Shutdown the machine manager. Kills all alive machines.
        @raise CuckooMachineError: if unable to stop machine.
        """
        if self.running().count() > 0:
            log.info("Still %s guests alive. Shutting down...",
                     self.running().count())
            for machine in self.running():
                try:
                    self.stop(machine.label)
                except CuckooMachineError as e:
                    log.warning(
                        "Unable to shutdown machine %s, please check "
                        "manually. Error: %s", machine.label, e)

    def set_status(self, label, status):
        """Set status for a virtual machine.
        @param label: virtual machine label
        @param status: new virtual machine status
        """
        self.db.set_machine_status(label, status)

    def start(self, label=None):
        """Start a machine.
        @param label: machine name.
        @raise NotImplementedError: this method is abstract.
        """
        raise NotImplementedError

    def stop(self, label=None):
        """Stop a machine.
        @param label: machine name.
        @raise NotImplementedError: this method is abstract.
        """
        raise NotImplementedError

    def _list(self):
        """Lists virtual machines configured.
        @raise NotImplementedError: this method is abstract.
        """
        raise NotImplementedError

    def dump_memory(self, path):
        """Takes a memory dump of a machine.
        @param path: path to where to store the memory dump.
        """
        raise NotImplementedError

    def _wait_status(self, label, state):
        """Waits for a vm status.
        @param label: virtual machine name.
        @param state: virtual machine status, accepts more than one states in a list.
        @raise CuckooMachineError: if default waiting timeout expire.
        """
        # This block was originally suggested by Loic Jaquemet.
        waitme = 0
        try:
            current = self._status(label)
        except NameError:
            return

        if isinstance(state, str):
            state = [state]
        while current not in state:
            log.debug(
                "Waiting %i cuckooseconds for machine %s to switch to status %s",
                waitme, label, state)
            if waitme > int(self.options_globals.timeouts.vm_state):
                raise CuckooMachineError(
                    "Timeout hit while for machine {0} to change status".
                    format(label))
            time.sleep(1)
            waitme += 1
            current = self._status(label)
Ejemplo n.º 2
0
class MachineManager(object):
    """Base abstract class for analysis machine manager."""

    def __init__(self):
        self.module_name = ""
        self.options = None
        self.options_globals = Config(os.path.join(CUCKOO_ROOT, "conf", "cuckoo.conf"))
        # Database pointer.
        self.db = Database()
        # Machine table is cleaned to be filled from configuration file at each start.
        self.db.clean_machines()

    def set_options(self, options):
        """Set machine manager options.
        @param options: machine manager options dict.
        """
        self.options = options

    def initialize(self, module_name):
        """Read and load machines configuration, try to check the configuration.
        @param module_name: module name.
        """
        # Load.
        self._initialize(module_name)

        # Run initialization checks.
        self._initialize_check()

    def _initialize(self, module_name):
        """Read configuration.
        @param module_name: module name.
        """
        self.module_name = module_name
        mmanager_opts = self.options.get(module_name)

        for machine_id in mmanager_opts["machines"].strip().split(","):
            try:
                machine_opts = self.options.get(machine_id.strip())
                machine = Dictionary()
                machine.id = machine_id.strip()
                machine.label = machine_opts["label"].strip()
                machine.platform = machine_opts["platform"].strip()
                machine.ip = machine_opts["ip"].strip()

                self.db.add_machine(name=machine.id,
                                    label=machine.label,
                                    ip=machine.ip,
                                    platform=machine.platform)
            except (AttributeError, CuckooOperationalError):
                log.warning("Configuration details about machine %s are missing. Continue", machine_id)
                continue

    def _initialize_check(self):
        """Runs checks against virtualization software when a machine manager 
        is initialized.
        @note: in machine manager modules you may override or superclass 
               his method.
        @raise CuckooMachineError: if a misconfiguration or a unkown vm state
                                   is found.
        """
        try:
            configured_vm = self._list()
        except NotImplementedError:
            return

        for machine in self.machines():
            if machine.label not in configured_vm:
                raise CuckooCriticalError("Configured machine {0} was not detected or it's not in proper state".format(machine.label))

        if not self.options_globals.timeouts.vm_state:
            raise CuckooCriticalError("Virtual machine state change timeout setting not found, please add it to the config file")

    def machines(self):
        """List virtual machines.
        @return: virtual machines list
        """
        return self.db.list_machines()

    def availables(self):
        """How many machines are free.
        @return: free machines count.
        """
        return self.db.count_machines_available()

    def acquire(self, machine_id=None, platform=None):
        """Acquire a machine to start analysis.
        @param machine_id: machine ID.
        @param platform: machine platform.
        @return: machine or None.
        """
        if machine_id:
            return self.db.lock_machine(name=machine_id)
        elif platform:
            return self.db.lock_machine(platform=platform)
        else:
            return self.db.lock_machine()

    def release(self, label=None):
        """Release a machine.
        @param label: machine name.
        """
        self.db.unlock_machine(label)

    def running(self):
        """Returns running virtual machines.
        @return: running virtual machines list.
        """
        return self.db.list_machines(locked=True)

    def shutdown(self):
        """Shutdown the machine manager. Kills all alive machines.
        @raise CuckooMachineError: if unable to stop machine.
        """
        if self.running().count() > 0:
            log.info("Still %s guests alive. Shutting down...", self.running().count())
            for machine in self.running():
                try:
                    self.stop(machine.label)
                except CuckooMachineError as e:
                    log.warning("Unable to shutdown machine %s, please check "
                                "manually. Error: %s", machine.label, e)

    def set_status(self, label, status):
        """Set status for a virtual machine.
        @param label: virtual machine label
        @param status: new virtual machine status
        """
        self.db.set_machine_status(label, status)

    def start(self, label=None):
        """Start a machine.
        @param label: machine name.
        @raise NotImplementedError: this method is abstract.
        """
        raise NotImplementedError

    def stop(self, label=None):
        """Stop a machine.
        @param label: machine name.
        @raise NotImplementedError: this method is abstract.
        """
        raise NotImplementedError

    def _list(self):
        """Lists virtual machines configured.
        @raise NotImplementedError: this method is abstract.
        """
        raise NotImplementedError

    def dump_memory(self, path):
        """Takes a memory dump of a machine.
        @param path: path to where to store the memory dump.
        """
        raise NotImplementedError

    def _wait_status(self, label, state):
        """Waits for a vm status.
        @param label: virtual machine name.
        @param state: virtual machine status, accepts more than one states in a list.
        @raise CuckooMachineError: if default waiting timeout expire.
        """
        # This block was originally suggested by Loic Jaquemet.
        waitme = 0
        try:
            current = self._status(label)
        except NameError:
            return

        if isinstance(state, str):
            state = [state]
        while current not in state:
            log.debug("Waiting %i cuckooseconds for machine %s to switch to status %s", waitme, label, state)
            if waitme > int(self.options_globals.timeouts.vm_state):
                raise CuckooMachineError("Timeout hit while for machine {0} to change status".format(label))
            time.sleep(1)
            waitme += 1
            current = self._status(label)