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Merge from trunk.  D-Bus usage is now standard, and there are two new
utilities (mandos-monitor and mandos-ctl) which uses it.  Also, a new
plugin for Plymouth.  Also fixes Debian bug #557076.

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mandos-monitor
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#!/usr/bin/python
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# -*- mode: python; coding: utf-8 -*-
 
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# 
 
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# Mandos Monitor - Control and monitor the Mandos server
 
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# 
 
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# Copyright © 2009,2010 Teddy Hogeborn
 
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# Copyright © 2009,2010 Björn Påhlsson
 
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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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# the Free Software Foundation, either version 3 of the License, or
 
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# (at your option) any later version.
 
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#
 
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#     This program is distributed in the hope that it will be useful,
 
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#     but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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#     GNU General Public License for more details.
 
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# 
 
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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 <http://www.gnu.org/licenses/>.
 
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# 
 
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# Contact the authors at <mandos@fukt.bsnet.se>.
 
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# 
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from __future__ import division, absolute_import, with_statement
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        self.logger = logger
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        self._update_timer_callback_tag = None
 
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        self._update_timer_callback_lock = 0
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        self.last_checker_failed = False
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        # The widget shown normally
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            *args, **kwargs)
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        self.update()
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        self.opened = False
 
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        last_checked_ok = isoformat_to_datetime(self.properties
 
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                                                [u"LastCheckedOK"])
 
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        if last_checked_ok is None:
 
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            self.last_checker_failed = True
 
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        else:
 
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            self.last_checker_failed = ((datetime.datetime.utcnow()
 
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                                         - last_checked_ok)
 
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                                        > datetime.timedelta
 
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                                        (milliseconds=
 
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                                         self.properties
 
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                                         [u"Interval"]))
 
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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.proxy.connect_to_signal(u"CheckerCompleted",
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                                     self.checker_completed,
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                                     client_interface,
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                                     self.rejected,
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                                     client_interface,
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                                     byte_arrays=True)
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        last_checked_ok = isoformat_to_datetime(self.properties
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                                                [u"LastCheckedOK"])
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        if last_checked_ok is None:
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            self.last_checker_failed = True
 
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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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                                                         value)
 
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        if property == u"ApprovalPending":
 
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            using_timer(bool(value))
 
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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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        """
 
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        old = self._update_timer_callback_lock
 
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        if flag:
 
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            self._update_timer_callback_lock += 1
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        else:
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            self.last_checker_failed = ((datetime.datetime.utcnow()
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                                         - last_checked_ok)
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                                        > datetime.timedelta
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                                        (milliseconds=
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                                         self.properties
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                                         [u"Interval"]))
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        if self.last_checker_failed:
 
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            self._update_timer_callback_lock -= 1
 
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        if old == 0 and self._update_timer_callback_lock:
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            self._update_timer_callback_tag = (gobject.timeout_add
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                                               (1000,
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                                                self.update_timer))
 
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        elif old and self._update_timer_callback_lock == 0:
 
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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, 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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                gobject.source_remove(self._update_timer_callback_tag)
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                self._update_timer_callback_tag = None
 
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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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            #            u' was successful'
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            #            % (self.properties[u"Name"], command))
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        # Checker failed
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        if not self.last_checker_failed:
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            self.last_checker_failed = True
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            self._update_timer_callback_tag = (gobject.timeout_add
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                                               (1000,
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                                                self.update_timer))
 
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            self.using_timer(True)
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        if os.WIFEXITED(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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            message = u'Client %s will get its secret in %s seconds'
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        self.logger(message
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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(u'Client %s was rejected; reason: %s'
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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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                                         [u"ApprovalDelay"])
 
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            last_approval_request = isoformat_to_datetime(
 
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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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            else:
 
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                timer = datetime.timedelta()
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            if self.properties[u"ApprovedByDefault"]:
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                message = u"Connection established to client. (d)eny?"
 
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                message = u"Approval in %s. (d)eny?"
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            else:
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                message = u"Seeks approval to send secret. (a)pprove?"
 
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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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                                         = self.properties
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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 diabled: %s'
 
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                       u' gets disabled: %s'
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                           % unicode(timer).rsplit(".", 1)[0])
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        else:
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            message = u"enabled"
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        elif key == u"d":
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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 == u"r" or key == u"_" or key == u"ctrl k":
 
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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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                                                  .object_path)
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        elif key == u"s":
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                                      .join((u"Clients:",
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                                             u"+: Enable",
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                                             u"-: Disable",
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                                             u"r: Remove",
 
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                                             u"R: Remove",
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                                             u"s: Start new checker",
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                                             u"S: Stop checker",
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                                             u"C: Checker OK",