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# GNU General Public License for more details.
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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
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# <http://www.gnu.org/licenses/>.
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# Contact the authors at <mandos@recompile.se>.
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# Contact the authors at <mandos@fukt.bsnet.se>.
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from __future__ import (division, absolute_import, print_function,
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from __future__ import division, absolute_import, with_statement
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"Parse an ISO 8601 date string to a datetime.datetime()"
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d, t = iso.split("T", 1)
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year, month, day = d.split("-", 2)
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hour, minute, second = t.split(":", 2)
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d, t = iso.split(u"T", 1)
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year, month, day = d.split(u"-", 2)
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hour, minute, second = t.split(u":", 2)
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second, fraction = divmod(float(second), 1)
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return datetime.datetime(int(year),
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self.opened = False
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last_checked_ok = isoformat_to_datetime(self.properties
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if last_checked_ok is None:
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self.last_checker_failed = True
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self.last_checker_failed = ((datetime.datetime.utcnow()
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if self.properties ["LastCheckerStatus"] != 0:
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if self.last_checker_failed:
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self.using_timer(True)
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if self.need_approval:
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self.using_timer(True)
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self.match_objects = (
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self.proxy.connect_to_signal("CheckerCompleted",
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self.checker_completed,
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self.proxy.connect_to_signal("CheckerStarted",
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self.checker_started,
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self.proxy.connect_to_signal("GotSecret",
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self.proxy.connect_to_signal("NeedApproval",
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self.proxy.connect_to_signal("Rejected",
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#self.logger('Created client {0}'
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# .format(self.properties["Name"]))
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self.proxy.connect_to_signal(u"CheckerCompleted",
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self.checker_completed,
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self.proxy.connect_to_signal(u"CheckerStarted",
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self.checker_started,
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self.proxy.connect_to_signal(u"GotSecret",
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self.proxy.connect_to_signal(u"NeedApproval",
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self.proxy.connect_to_signal(u"Rejected",
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def property_changed(self, property=None, value=None):
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super(self, MandosClientWidget).property_changed(property,
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if property == "ApprovalPending":
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if property == u"ApprovalPending":
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using_timer(bool(value))
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if property == "LastCheckerStatus":
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using_timer(value != 0)
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#self.logger('Checker for client {0} (command "{1}") was '
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# ' successful'.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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activated or deactivated.
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def checker_completed(self, exitstatus, condition, command):
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if exitstatus == 0:
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if self.last_checker_failed:
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self.last_checker_failed = False
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self.using_timer(False)
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#self.logger(u'Checker for client %s (command "%s")'
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# % (self.properties[u"Name"], command))
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if not self.last_checker_failed:
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self.last_checker_failed = True
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self.using_timer(True)
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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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self.logger(u'Checker for client %s (command "%s")'
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u' failed with exit code %s'
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% (self.properties[u"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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self.logger(u'Checker for client %s (command "%s")'
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u' was killed by signal %s'
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% (self.properties[u"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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.format(self.properties["Name"], command))
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self.logger(u'Checker for client %s (command "%s")'
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% (self.properties[u"Name"], command))
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self.logger('Checker for client {0} completed'
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.format(self.properties["Name"]))
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self.logger(u'Checker for client %s completed'
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def checker_started(self, command):
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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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#self.logger(u'Client %s started checker "%s"'
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# % (self.properties[u"Name"], unicode(command)))
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def got_secret(self):
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self.logger('Client {0} received its secret'
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.format(self.properties["Name"]))
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self.last_checker_failed = False
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self.logger(u'Client %s received its secret'
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% self.properties[u"Name"])
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def need_approval(self, timeout, default):
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message = 'Client {0} needs approval within {1} seconds'
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message = u'Client %s needs approval within %s 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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message = u'Client %s will get its secret in %s seconds'
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% (self.properties[u"Name"], timeout/1000))
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self.using_timer(True)
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def rejected(self, 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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self.logger(u'Client %s was rejected; reason: %s'
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% (self.properties[u"Name"], reason))
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def selectable(self):
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"""Make this a "selectable" widget.
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This overrides the method from urwid.FlowWidget."""
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def rows(self, maxcolrow, focus=False):
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def rows(self, (maxcol,), focus=False):
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"""How many rows this widget will occupy might depend on
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whether we have focus or not.
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This overrides the method from urwid.FlowWidget"""
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return self.current_widget(focus).rows(maxcolrow, focus=focus)
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return self.current_widget(focus).rows((maxcol,), focus=focus)
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def current_widget(self, focus=False):
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if focus or self.opened:
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def update(self):
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"Called when what is visible on the screen should be updated."
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# How to add standout mode to a style
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with_standout = { "normal": "standout",
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"bold": "bold-standout",
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"underline-blink-standout",
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"bold-underline-blink":
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"bold-underline-blink-standout",
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with_standout = { u"normal": u"standout",
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u"bold": u"bold-standout",
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u"underline-blink-standout",
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u"bold-underline-blink":
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u"bold-underline-blink-standout",
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# Rebuild focus and non-focus widgets using current properties
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# Base part of a client. Name!
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base = '{name}: '.format(name=self.properties["Name"])
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if not self.properties["Enabled"]:
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elif self.properties["ApprovalPending"]:
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base = (u'%(name)s: '
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% {u"name": self.properties[u"Name"]})
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if not self.properties[u"Enabled"]:
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message = u"DISABLED"
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elif self.properties[u"ApprovalPending"]:
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timeout = datetime.timedelta(milliseconds
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= self.properties
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last_approval_request = isoformat_to_datetime(
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self.properties["LastApprovalRequest"])
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self.properties[u"LastApprovalRequest"])
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if last_approval_request is not None:
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timer = timeout - (datetime.datetime.utcnow()
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- last_approval_request)
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timer = datetime.timedelta()
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if self.properties["ApprovedByDefault"]:
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message = "Approval in {0}. (d)eny?"
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message = "Denial in {0}. (a)pprove?"
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message = message.format(unicode(timer).rsplit(".", 1)[0])
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elif self.properties["LastCheckerStatus"] != 0:
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# When checker has failed, show timer until client expires
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expires = self.properties["Expires"]
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timer = datetime.timedelta(0)
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expires = (datetime.datetime.strptime
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(expires, '%Y-%m-%dT%H:%M:%S.%f'))
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timer = expires - datetime.datetime.utcnow()
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message = ('A checker has failed! Time until client'
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' gets disabled: {0}'
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.format(unicode(timer).rsplit(".", 1)[0]))
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if self.properties[u"ApprovedByDefault"]:
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message = u"Approval in %s. (d)eny?"
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message = u"Denial in %s. (a)pprove?"
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message = message % unicode(timer).rsplit(".", 1)[0]
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elif self.last_checker_failed:
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timeout = datetime.timedelta(milliseconds
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last_ok = isoformat_to_datetime(
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max((self.properties[u"LastCheckedOK"]
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or self.properties[u"Created"]),
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self.properties[u"LastEnabled"]))
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timer = timeout - (datetime.datetime.utcnow() - last_ok)
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message = (u'A checker has failed! Time until client'
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u' gets disabled: %s'
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% unicode(timer).rsplit(".", 1)[0])
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self._text = "{0}{1}".format(base, message)
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self._text = "%s%s" % (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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textlist = [("normal", self._text)]
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textlist = [(u"normal", self._text)]
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self._text_widget.set_text(textlist)
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self._focus_text_widget.set_text([(with_standout[text[0]],
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self.update_hook()
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def update_timer(self):
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"""called by gobject. Will indefinitely loop until
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gobject.source_remove() on tag is called"""
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return True # Keep calling this
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def delete(self, *args, **kwargs):
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if self._update_timer_callback_tag is not None:
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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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for match in self.match_objects:
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self.match_objects = ()
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if self.delete_hook is not None:
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self.delete_hook(self)
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return super(MandosClientWidget, self).delete(*args, **kwargs)
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def render(self, maxcolrow, focus=False):
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def render(self, (maxcol,), focus=False):
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"""Render differently if we have focus.
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This overrides the method from urwid.FlowWidget"""
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return self.current_widget(focus).render(maxcolrow,
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return self.current_widget(focus).render((maxcol,),
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def keypress(self, maxcolrow, key):
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def keypress(self, (maxcol,), key):
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This overrides the method from urwid.FlowWidget"""
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self.proxy.Enable(dbus_interface = client_interface,
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self.proxy.Disable(dbus_interface = client_interface,
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self.proxy.Enable(dbus_interface = client_interface)
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self.proxy.Disable(dbus_interface = client_interface)
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self.proxy.Approve(dbus.Boolean(True, variant_level=1),
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dbus_interface = client_interface,
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dbus_interface = client_interface)
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self.proxy.Approve(dbus.Boolean(False, variant_level=1),
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dbus_interface = client_interface,
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elif key == "R" or key == "_" or key == "ctrl k":
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dbus_interface = client_interface)
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elif key == u"R" or key == u"_" or key == u"ctrl k":
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self.server_proxy_object.RemoveClient(self.proxy
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self.proxy.StartChecker(dbus_interface = client_interface,
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self.proxy.StopChecker(dbus_interface = client_interface,
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self.proxy.CheckedOK(dbus_interface = client_interface,
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self.proxy.StartChecker(dbus_interface = client_interface)
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self.proxy.StopChecker(dbus_interface = client_interface)
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self.proxy.CheckedOK(dbus_interface = client_interface)
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# elif key == "p" or key == "=":
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# elif key == u"p" or key == "=":
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# self.proxy.pause()
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# elif key == "u" or key == ":":
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# elif key == u"u" or key == ":":
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# self.proxy.unpause()
384
# elif key == u"RET":
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"down" key presses, thus not allowing any containing widgets to
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use them as an excuse to shift focus away from this widget.
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def keypress(self, maxcolrow, key):
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ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
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if ret in ("up", "down"):
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def keypress(self, (maxcol, maxrow), key):
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ret = super(ConstrainedListBox, self).keypress((maxcol,
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if ret in (u"up", u"down"):
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self.screen = urwid.curses_display.Screen()
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self.screen.register_palette((
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"default", "default", None),
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"default", "default", "bold"),
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"default", "default", "underline"),
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"default", "default", "standout"),
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("bold-underline-blink",
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"default", "default", ("bold", "underline")),
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"default", "default", ("bold", "standout")),
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("underline-blink-standout",
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"default", "default", ("underline", "standout")),
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("bold-underline-blink-standout",
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"default", "default", ("bold", "underline",
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u"default", u"default", None),
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u"default", u"default", u"bold"),
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u"default", u"default", u"underline"),
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u"default", u"default", u"standout"),
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(u"bold-underline-blink",
433
u"default", u"default", (u"bold", u"underline")),
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u"default", u"default", (u"bold", u"standout")),
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(u"underline-blink-standout",
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u"default", u"default", (u"underline", u"standout")),
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(u"bold-underline-blink-standout",
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u"default", u"default", (u"bold", u"underline",
455
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if urwid.supports_unicode():
456
self.divider = "─" # \u2500
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#self.divider = "━" # \u2501
444
self.divider = u"─" # \u2500
445
#self.divider = u"━" # \u2501
459
#self.divider = "-" # \u002d
460
self.divider = "_" # \u005f
447
#self.divider = u"-" # \u002d
448
self.divider = u"_" # \u005f
462
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self.screen.start()
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465
# This keeps track of whether self.uilist currently has
478
466
# self.logbox in it or not
479
467
self.log_visible = True
480
self.log_wrap = "any"
468
self.log_wrap = u"any"
483
self.log_message_raw(("bold",
484
"Mandos Monitor version " + version))
485
self.log_message_raw(("bold",
471
self.log_message_raw((u"bold",
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u"Mandos Monitor version " + version))
473
self.log_message_raw((u"bold",
488
476
self.busname = domain + '.Mandos'
489
477
self.main_loop = gobject.MainLoop()
478
self.bus = dbus.SystemBus()
479
mandos_dbus_objc = self.bus.get_object(
480
self.busname, u"/", follow_name_owner_changes=True)
481
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
485
mandos_clients = (self.mandos_serv
486
.GetAllClientsWithProperties())
487
except dbus.exceptions.DBusException:
488
mandos_clients = dbus.Dictionary()
491
.connect_to_signal(u"ClientRemoved",
492
self.find_and_remove_client,
493
dbus_interface=server_interface,
496
.connect_to_signal(u"ClientAdded",
498
dbus_interface=server_interface,
501
.connect_to_signal(u"ClientNotFound",
502
self.client_not_found,
503
dbus_interface=server_interface,
505
for path, client in mandos_clients.iteritems():
506
client_proxy_object = self.bus.get_object(self.busname,
508
self.add_client(MandosClientWidget(server_proxy_object
511
=client_proxy_object,
491
521
def client_not_found(self, fingerprint, address):
492
self.log_message("Client with address {0} and fingerprint"
493
" {1} could not be found"
494
.format(address, fingerprint))
522
self.log_message((u"Client with address %s and fingerprint %s"
523
u" could not be found" % (address,
496
526
def rebuild(self):
497
527
"""This rebuilds the User Interface.
520
551
and len(self.log) > self.max_log_length):
521
552
del self.log[0:len(self.log)-self.max_log_length-1]
522
553
self.logbox.set_focus(len(self.logbox.body.contents),
554
coming_from=u"above")
526
557
def toggle_log_display(self):
527
558
"""Toggle visibility of the log buffer."""
528
559
self.log_visible = not self.log_visible
530
#self.log_message("Log visibility changed to: "
561
#self.log_message(u"Log visibility changed to: "
531
562
# + unicode(self.log_visible))
533
564
def change_log_display(self):
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565
"""Change type of log display.
535
566
Currently, this toggles wrapping of text lines."""
536
if self.log_wrap == "clip":
537
self.log_wrap = "any"
567
if self.log_wrap == u"clip":
568
self.log_wrap = u"any"
539
self.log_wrap = "clip"
570
self.log_wrap = u"clip"
540
571
for textwidget in self.log:
541
572
textwidget.set_wrap_mode(self.log_wrap)
542
#self.log_message("Wrap mode: " + self.log_wrap)
573
#self.log_message(u"Wrap mode: " + self.log_wrap)
544
575
def find_and_remove_client(self, path, name):
545
"""Find a client by its object path and remove it.
576
"""Find an client from its object path and remove it.
547
578
This is connected to the ClientRemoved signal from the
548
579
Mandos server object."""
598
627
"""Start the main loop and exit when it's done."""
599
self.bus = dbus.SystemBus()
600
mandos_dbus_objc = self.bus.get_object(
601
self.busname, "/", follow_name_owner_changes=True)
602
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
606
mandos_clients = (self.mandos_serv
607
.GetAllClientsWithProperties())
608
except dbus.exceptions.DBusException:
609
mandos_clients = dbus.Dictionary()
612
.connect_to_signal("ClientRemoved",
613
self.find_and_remove_client,
614
dbus_interface=server_interface,
617
.connect_to_signal("ClientAdded",
619
dbus_interface=server_interface,
622
.connect_to_signal("ClientNotFound",
623
self.client_not_found,
624
dbus_interface=server_interface,
626
for path, client in mandos_clients.iteritems():
627
client_proxy_object = self.bus.get_object(self.busname,
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self.add_client(MandosClientWidget(server_proxy_object
632
=client_proxy_object,
643
629
self._input_callback_tag = (gobject.io_add_watch
644
630
(sys.stdin.fileno(),
655
641
def process_input(self, source, condition):
656
642
keys = self.screen.get_input()
657
translations = { "ctrl n": "down", # Emacs
658
"ctrl p": "up", # Emacs
659
"ctrl v": "page down", # Emacs
660
"meta v": "page up", # Emacs
661
" ": "page down", # less
662
"f": "page down", # less
663
"b": "page up", # less
643
translations = { u"ctrl n": u"down", # Emacs
644
u"ctrl p": u"up", # Emacs
645
u"ctrl v": u"page down", # Emacs
646
u"meta v": u"page up", # Emacs
647
u" ": u"page down", # less
648
u"f": u"page down", # less
649
u"b": u"page up", # less
670
656
except KeyError: # :-)
673
if key == "q" or key == "Q":
659
if key == u"q" or key == u"Q":
676
elif key == "window resize":
662
elif key == u"window resize":
677
663
self.size = self.screen.get_cols_rows()
679
elif key == "\f": # Ctrl-L
665
elif key == u"\f": # Ctrl-L
681
elif key == "l" or key == "D":
667
elif key == u"l" or key == u"D":
682
668
self.toggle_log_display()
684
elif key == "w" or key == "i":
670
elif key == u"w" or key == u"i":
685
671
self.change_log_display()
687
elif key == "?" or key == "f1" or key == "esc":
673
elif key == u"?" or key == u"f1" or key == u"esc":
688
674
if not self.log_visible:
689
675
self.log_visible = True
691
self.log_message_raw(("bold",
695
"l: Log window toggle",
696
"TAB: Switch window",
698
self.log_message_raw(("bold",
704
"s: Start new checker",
677
self.log_message_raw((u"bold",
681
u"l: Log window toggle",
682
u"TAB: Switch window",
684
self.log_message_raw((u"bold",
690
u"s: Start new checker",
711
697
if self.topwidget.get_focus() is self.logbox:
712
698
self.topwidget.set_focus(0)
714
700
self.topwidget.set_focus(self.logbox)
716
#elif (key == "end" or key == "meta >" or key == "G"
702
#elif (key == u"end" or key == u"meta >" or key == u"G"
718
704
# pass # xxx end-of-buffer
719
#elif (key == "home" or key == "meta <" or key == "g"
705
#elif (key == u"home" or key == u"meta <" or key == u"g"
721
707
# pass # xxx beginning-of-buffer
722
#elif key == "ctrl e" or key == "$":
708
#elif key == u"ctrl e" or key == u"$":
723
709
# pass # xxx move-end-of-line
724
#elif key == "ctrl a" or key == "^":
710
#elif key == u"ctrl a" or key == u"^":
725
711
# pass # xxx move-beginning-of-line
726
#elif key == "ctrl b" or key == "meta (" or key == "h":
712
#elif key == u"ctrl b" or key == u"meta (" or key == u"h":
727
713
# pass # xxx left
728
#elif key == "ctrl f" or key == "meta )" or key == "l":
714
#elif key == u"ctrl f" or key == u"meta )" or key == u"l":
729
715
# pass # xxx right
731
717
# pass # scroll up log
733
719
# pass # scroll down log
734
720
elif self.topwidget.selectable():
735
721
self.topwidget.keypress(self.size, key)