/mandos/trunk : revision 693

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#

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# Mandos Monitor - Control and monitor the Mandos server

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#

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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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import locale

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if sys.version_info.major == 2:

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if sys.version_info[0] == 2:

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str = unicode

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locale.setlocale(locale.LC_ALL, '')

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domain = 'se.recompile'

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server_interface = domain + '.Mandos'

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client_interface = domain + '.Mandos.Client'

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version = "1.6.9"

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version = "1.6.5"

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def isoformat_to_datetime(iso):

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"Parse an ISO 8601 date string to a datetime.datetime()"

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self.proxy = proxy_object # Mandos Client proxy object

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self.properties = dict() if properties is None else properties

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self.property_changed_match = (

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self.proxy.connect_to_signal("PropertiesChanged",

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self.properties_changed,

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dbus.PROPERTIES_IFACE,

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self.proxy.connect_to_signal("PropertyChanged",

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self._property_changed,

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client_interface,

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byte_arrays=True))

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if properties is None:

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super(MandosClientPropertyCache, self).__init__(**kwargs)

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def properties_changed(self, interface, properties, invalidated):

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"""This is called whenever we get a PropertiesChanged signal

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It updates the changed properties in the "properties" dict.

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def _property_changed(self, property, value):

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"""Helper which takes positional arguments"""

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return self.property_changed(property=property, value=value)

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def property_changed(self, property=None, value=None):

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"""This is called whenever we get a PropertyChanged signal

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It updates the changed property in the "properties" dict.

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"""

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# Update properties dict with new value

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self.properties.update(properties)

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self.properties[property] = value

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def delete(self):

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self.property_changed_match.remove()

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self.rejected,

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client_interface,

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byte_arrays=True))

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self.logger('Created client {}'

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.format(self.properties["Name"]), level=0)

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#self.logger('Created client {0}'

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# .format(self.properties["Name"]))

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def using_timer(self, flag):

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"""Call this method with True or False when timer should be

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gobject.source_remove(self._update_timer_callback_tag)

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self._update_timer_callback_tag = None

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def checker_completed(self, exitstatus, signal, command):

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def checker_completed(self, exitstatus, condition, command):

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if exitstatus == 0:

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self.logger('Checker for client {} (command "{}")'

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' succeeded'.format(self.properties["Name"],

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command), level=0)

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self.update()

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return

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# Checker failed

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if exitstatus >= 0:

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self.logger('Checker for client {} (command "{}") failed'

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' with exit code {}'

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.format(self.properties["Name"], command,

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exitstatus))

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elif signal != 0:

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self.logger('Checker for client {} (command "{}") was'

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' killed by signal {}'

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.format(self.properties["Name"], command,

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signal))

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if os.WIFEXITED(condition):

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self.logger('Checker for client {0} (command "{1}")'

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' failed with exit code {2}'

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.format(self.properties["Name"], command,

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os.WEXITSTATUS(condition)))

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elif os.WIFSIGNALED(condition):

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self.logger('Checker for client {0} (command "{1}") was'

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' killed by signal {2}'

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.format(self.properties["Name"], command,

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os.WTERMSIG(condition)))

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elif os.WCOREDUMP(condition):

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self.logger('Checker for client {0} (command "{1}")'

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' dumped core'

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.format(self.properties["Name"], command))

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else:

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self.logger('Checker for client {} completed'

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self.logger('Checker for client {0} completed'

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' mysteriously'

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.format(self.properties["Name"]))

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self.update()

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def checker_started(self, command):

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"""Server signals that a checker started."""

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self.logger('Client {} started checker "{}"'

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.format(self.properties["Name"],

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command), level=0)

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"""Server signals that a checker started. This could be useful

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to log in the future. """

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#self.logger('Client {0} started checker "{1}"'

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# .format(self.properties["Name"],

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# str(command)))

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pass

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def got_secret(self):

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self.logger('Client {} received its secret'

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self.logger('Client {0} received its secret'

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.format(self.properties["Name"]))

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def need_approval(self, timeout, default):

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if not default:

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message = 'Client {} needs approval within {} seconds'

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message = 'Client {0} needs approval within {1} seconds'

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else:

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message = 'Client {} will get its secret in {} seconds'

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message = 'Client {0} will get its secret in {1} seconds'

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self.logger(message.format(self.properties["Name"],

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timeout/1000))

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def rejected(self, reason):

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self.logger('Client {} was rejected; reason: {}'

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self.logger('Client {0} was rejected; reason: {1}'

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.format(self.properties["Name"], reason))

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def selectable(self):

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else:

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timer = datetime.timedelta()

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if self.properties["ApprovedByDefault"]:

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message = "Approval in {}. (d)eny?"

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message = "Approval in {0}. (d)eny?"

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else:

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message = "Denial in {}. (a)pprove?"

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message = "Denial in {0}. (a)pprove?"

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message = message.format(str(timer).rsplit(".", 1)[0])

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self.using_timer(True)

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elif self.properties["LastCheckerStatus"] != 0:

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timer = max(expires - datetime.datetime.utcnow(),

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datetime.timedelta())

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message = ('A checker has failed! Time until client'

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' gets disabled: {}'

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' gets disabled: {0}'

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.format(str(timer).rsplit(".", 1)[0]))

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self.using_timer(True)

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else:

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message = "enabled"

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self.using_timer(False)

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self._text = "{}{}".format(base, message)

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self._text = "{0}{1}".format(base, message)

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if not urwid.supports_unicode():

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self._text = self._text.encode("ascii", "replace")

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else:

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return key

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def properties_changed(self, interface, properties, invalidated):

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"""Call self.update() if any properties changed.

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def property_changed(self, property=None, **kwargs):

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"""Call self.update() if old value is not new value.

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This overrides the method from MandosClientPropertyCache"""

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old_values = { key: self.properties.get(key)

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for key in properties.keys() }

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super(MandosClientWidget, self).properties_changed(

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interface, properties, invalidated)

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if any(old_values[key] != self.properties.get(key)

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for key in old_values):

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property_name = str(property)

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old_value = self.properties.get(property_name)

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super(MandosClientWidget, self).property_changed(

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property=property, **kwargs)

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if self.properties.get(property_name) != old_value:

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self.update()

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"""This is the entire user interface - the whole screen

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with boxes, lists of client widgets, etc.

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"""

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def __init__(self, max_log_length=1000, log_level=1):

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def __init__(self, max_log_length=1000):

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DBusGMainLoop(set_as_default=True)

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self.screen = urwid.curses_display.Screen()

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self.log = []

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self.max_log_length = max_log_length

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self.log_level = log_level

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# We keep a reference to the log widget so we can remove it

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# from the ListWalker without it getting destroyed

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self.logbox = ConstrainedListBox(self.log)

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self.main_loop = gobject.MainLoop()

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def client_not_found(self, fingerprint, address):

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self.log_message("Client with address {} and fingerprint {}"

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" could not be found"

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self.log_message("Client with address {0} and fingerprint"

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" {1} could not be found"

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.format(address, fingerprint))

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def rebuild(self):

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self.uilist.append(self.logbox)

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self.topwidget = urwid.Pile(self.uilist)

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def log_message(self, message, level=1):

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def log_message(self, message):

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"""Log message formatted with timestamp"""

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if level < self.log_level:

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return

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timestamp = datetime.datetime.now().isoformat()

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self.log_message_raw("{}: {}".format(timestamp, message),

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level=level)

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self.log_message_raw(timestamp + ": " + message)

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def log_message_raw(self, markup, level=1):

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def log_message_raw(self, markup):

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"""Add a log message to the log buffer."""

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if level < self.log_level:

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return

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self.log.append(urwid.Text(markup, wrap=self.log_wrap))

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if (self.max_log_length

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and len(self.log) > self.max_log_length):

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"""Toggle visibility of the log buffer."""

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self.log_visible = not self.log_visible

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self.rebuild()

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self.log_message("Log visibility changed to: {}"

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.format(self.log_visible), level=0)

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#self.log_message("Log visibility changed to: "

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# + str(self.log_visible))

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def change_log_display(self):

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"""Change type of log display.

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self.log_wrap = "clip"

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for textwidget in self.log:

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textwidget.set_wrap_mode(self.log_wrap)

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self.log_message("Wrap mode: {}".format(self.log_wrap),

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level=0)

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#self.log_message("Wrap mode: " + self.log_wrap)

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def find_and_remove_client(self, path, name):

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"""Find a client by its object path and remove it.

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client = self.clients_dict[path]

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except KeyError:

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# not found?

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self.log_message("Unknown client {!r} ({!r}) removed"

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self.log_message("Unknown client {0!r} ({1!r}) removed"

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.format(name, path))

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return

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client.delete()

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elif key == "window resize":

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self.size = self.screen.get_cols_rows()

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self.refresh()

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elif key == "ctrl l":

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self.screen.clear()

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elif key == "\f": # Ctrl-L

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self.refresh()

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elif key == "l" or key == "D":

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self.toggle_log_display()

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"?: Help",

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"l: Log window toggle",

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"TAB: Switch window",

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"w: Wrap (log lines)",

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"v: Toggle verbose log",

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))))

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"w: Wrap (log)"))))

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self.log_message_raw(("bold",

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" "

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.join(("Clients:",

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else:

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self.topwidget.set_focus(self.logbox)

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self.refresh()

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elif key == "v":

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if self.log_level == 0:

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self.log_level = 1

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self.log_message("Verbose mode: Off")

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else:

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self.log_level = 0

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self.log_message("Verbose mode: On")

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#elif (key == "end" or key == "meta >" or key == "G"

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# or key == ">"):

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# pass # xxx end-of-buffer