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  • Committer: Teddy Hogeborn
  • Date: 2013-10-13 15:43:42 UTC
  • Revision ID: teddy@recompile.se-20131013154342-2ztabynqog6xuk0t
* initramfs-unpack: Bug fix: Made executable.

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mandos-monitor
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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 © 2009-2015 Teddy Hogeborn
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# Copyright © 2009-2015 Björn Påhlsson
 
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# Copyright © 2009-2012 Teddy Hogeborn
 
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# Copyright © 2009-2012 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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import sys
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import os
 
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import signal
35
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import datetime
37
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import locale
50
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51
 
if sys.version_info.major == 2:
 
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if sys.version_info[0] == 2:
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    str = unicode
53
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54
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locale.setlocale(locale.LC_ALL, '')
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domain = 'se.recompile'
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server_interface = domain + '.Mandos'
62
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client_interface = domain + '.Mandos.Client'
63
 
version = "1.6.9"
 
64
version = "1.6.0"
64
65
 
65
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def isoformat_to_datetime(iso):
66
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    "Parse an ISO 8601 date string to a datetime.datetime()"
87
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        self.proxy = proxy_object # Mandos Client proxy object
88
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        self.properties = dict() if properties is None else properties
89
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        self.property_changed_match = (
90
 
            self.proxy.connect_to_signal("PropertiesChanged",
91
 
                                         self.properties_changed,
92
 
                                         dbus.PROPERTIES_IFACE,
 
91
            self.proxy.connect_to_signal("PropertyChanged",
 
92
                                         self._property_changed,
 
93
                                         client_interface,
93
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                                         byte_arrays=True))
94
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        if properties is None:
100
101
        
101
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        super(MandosClientPropertyCache, self).__init__(**kwargs)
102
103
    
103
 
    def properties_changed(self, interface, properties, invalidated):
104
 
        """This is called whenever we get a PropertiesChanged signal
105
 
        It updates the changed properties in the "properties" dict.
 
104
    def _property_changed(self, property, value):
 
105
        """Helper which takes positional arguments"""
 
106
        return self.property_changed(property=property, value=value)
 
107
    
 
108
    def property_changed(self, property=None, value=None):
 
109
        """This is called whenever we get a PropertyChanged signal
 
110
        It updates the changed property in the "properties" dict.
106
111
        """
107
112
        # Update properties dict with new value
108
 
        self.properties.update(properties)
 
113
        self.properties[property] = value
109
114
    
110
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    def delete(self):
111
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        self.property_changed_match.remove()
157
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                                         self.rejected,
158
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                                         client_interface,
159
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                                         byte_arrays=True))
160
 
        self.logger('Created client {}'
161
 
                    .format(self.properties["Name"]), level=0)
 
165
        #self.logger('Created client {0}'
 
166
        #            .format(self.properties["Name"]))
162
167
    
163
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    def using_timer(self, flag):
164
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        """Call this method with True or False when timer should be
175
180
    
176
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    def checker_completed(self, exitstatus, condition, command):
177
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        if exitstatus == 0:
178
 
            self.logger('Checker for client {} (command "{}")'
179
 
                        ' succeeded'.format(self.properties["Name"],
180
 
                                            command), level=0)
181
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            self.update()
182
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            return
183
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        # Checker failed
184
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        if os.WIFEXITED(condition):
185
 
            self.logger('Checker for client {} (command "{}") failed'
186
 
                        ' with exit code {}'
 
187
            self.logger('Checker for client {0} (command "{1}")'
 
188
                        ' failed with exit code {2}'
187
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                        .format(self.properties["Name"], command,
188
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                                os.WEXITSTATUS(condition)))
189
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        elif os.WIFSIGNALED(condition):
190
 
            self.logger('Checker for client {} (command "{}") was'
191
 
                        ' killed by signal {}'
 
192
            self.logger('Checker for client {0} (command "{1}") was'
 
193
                        ' killed by signal {2}'
192
194
                        .format(self.properties["Name"], command,
193
195
                                os.WTERMSIG(condition)))
 
196
        elif os.WCOREDUMP(condition):
 
197
            self.logger('Checker for client {0} (command "{1}")'
 
198
                        ' dumped core'
 
199
                        .format(self.properties["Name"], command))
 
200
        else:
 
201
            self.logger('Checker for client {0} completed'
 
202
                        ' mysteriously'
 
203
                        .format(self.properties["Name"]))
194
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        self.update()
195
205
    
196
206
    def checker_started(self, command):
197
 
        """Server signals that a checker started."""
198
 
        self.logger('Client {} started checker "{}"'
199
 
                    .format(self.properties["Name"],
200
 
                            command), level=0)
 
207
        """Server signals that a checker started. This could be useful
 
208
           to log in the future. """
 
209
        #self.logger('Client {0} started checker "{1}"'
 
210
        #            .format(self.properties["Name"],
 
211
        #                    str(command)))
 
212
        pass
201
213
    
202
214
    def got_secret(self):
203
 
        self.logger('Client {} received its secret'
 
215
        self.logger('Client {0} received its secret'
204
216
                    .format(self.properties["Name"]))
205
217
    
206
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    def need_approval(self, timeout, default):
207
219
        if not default:
208
 
            message = 'Client {} needs approval within {} seconds'
 
220
            message = 'Client {0} needs approval within {1} seconds'
209
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        else:
210
 
            message = 'Client {} will get its secret in {} seconds'
 
222
            message = 'Client {0} will get its secret in {1} seconds'
211
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        self.logger(message.format(self.properties["Name"],
212
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                                   timeout/1000))
213
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214
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    def rejected(self, reason):
215
 
        self.logger('Client {} was rejected; reason: {}'
 
227
        self.logger('Client {0} was rejected; reason: {1}'
216
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                    .format(self.properties["Name"], reason))
217
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218
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    def selectable(self):
262
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            else:
263
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                timer = datetime.timedelta()
264
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            if self.properties["ApprovedByDefault"]:
265
 
                message = "Approval in {}. (d)eny?"
 
277
                message = "Approval in {0}. (d)eny?"
266
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            else:
267
 
                message = "Denial in {}. (a)pprove?"
 
279
                message = "Denial in {0}. (a)pprove?"
268
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            message = message.format(str(timer).rsplit(".", 1)[0])
269
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            self.using_timer(True)
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        elif self.properties["LastCheckerStatus"] != 0:
278
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                timer = max(expires - datetime.datetime.utcnow(),
279
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                            datetime.timedelta())
280
292
            message = ('A checker has failed! Time until client'
281
 
                       ' gets disabled: {}'
 
293
                       ' gets disabled: {0}'
282
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                       .format(str(timer).rsplit(".", 1)[0]))
283
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            self.using_timer(True)
284
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        else:
285
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            message = "enabled"
286
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            self.using_timer(False)
287
 
        self._text = "{}{}".format(base, message)
 
299
        self._text = "{0}{1}".format(base, message)
288
300
        
289
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        if not urwid.supports_unicode():
290
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            self._text = self._text.encode("ascii", "replace")
329
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        """Handle keys.
330
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        This overrides the method from urwid.FlowWidget"""
331
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        if key == "+":
332
 
            self.proxy.Set(client_interface, "Enabled",
333
 
                           dbus.Boolean(True), ignore_reply = True,
334
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
344
            self.proxy.Enable(dbus_interface = client_interface,
 
345
                              ignore_reply=True)
335
346
        elif key == "-":
336
 
            self.proxy.Set(client_interface, "Enabled", False,
337
 
                           ignore_reply = True,
338
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
347
            self.proxy.Disable(dbus_interface = client_interface,
 
348
                               ignore_reply=True)
339
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        elif key == "a":
340
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            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
341
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                               dbus_interface = client_interface,
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                                                  .object_path,
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                                                  ignore_reply=True)
351
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        elif key == "s":
352
 
            self.proxy.Set(client_interface, "CheckerRunning",
353
 
                           dbus.Boolean(True), ignore_reply = True,
354
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
362
            self.proxy.StartChecker(dbus_interface = client_interface,
 
363
                                    ignore_reply=True)
355
364
        elif key == "S":
356
 
            self.proxy.Set(client_interface, "CheckerRunning",
357
 
                           dbus.Boolean(False), ignore_reply = True,
358
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
365
            self.proxy.StopChecker(dbus_interface = client_interface,
 
366
                                   ignore_reply=True)
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        elif key == "C":
360
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            self.proxy.CheckedOK(dbus_interface = client_interface,
361
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                                 ignore_reply=True)
369
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        else:
370
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            return key
371
379
    
372
 
    def properties_changed(self, interface, properties, invalidated):
373
 
        """Call self.update() if any properties changed.
 
380
    def property_changed(self, property=None, **kwargs):
 
381
        """Call self.update() if old value is not new value.
374
382
        This overrides the method from MandosClientPropertyCache"""
375
 
        old_values = { key: self.properties.get(key)
376
 
                       for key in properties.keys() }
377
 
        super(MandosClientWidget, self).properties_changed(
378
 
            interface, properties, invalidated)
379
 
        if any(old_values[key] != self.properties.get(key)
380
 
               for key in old_values):
 
383
        property_name = str(property)
 
384
        old_value = self.properties.get(property_name)
 
385
        super(MandosClientWidget, self).property_changed(
 
386
            property=property, **kwargs)
 
387
        if self.properties.get(property_name) != old_value:
381
388
            self.update()
382
389
 
383
390
 
397
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    """This is the entire user interface - the whole screen
398
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    with boxes, lists of client widgets, etc.
399
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    """
400
 
    def __init__(self, max_log_length=1000, log_level=1):
 
407
    def __init__(self, max_log_length=1000):
401
408
        DBusGMainLoop(set_as_default=True)
402
409
        
403
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        self.screen = urwid.curses_display.Screen()
441
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        self.log = []
442
449
        self.max_log_length = max_log_length
443
450
        
444
 
        self.log_level = log_level
445
 
        
446
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        # We keep a reference to the log widget so we can remove it
447
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        # from the ListWalker without it getting destroyed
448
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        self.logbox = ConstrainedListBox(self.log)
462
467
        self.main_loop = gobject.MainLoop()
463
468
    
464
469
    def client_not_found(self, fingerprint, address):
465
 
        self.log_message("Client with address {} and fingerprint {}"
466
 
                         " could not be found"
 
470
        self.log_message("Client with address {0} and fingerprint"
 
471
                         " {1} could not be found"
467
472
                         .format(address, fingerprint))
468
473
    
469
474
    def rebuild(self):
482
487
            self.uilist.append(self.logbox)
483
488
        self.topwidget = urwid.Pile(self.uilist)
484
489
    
485
 
    def log_message(self, message, level=1):
 
490
    def log_message(self, message):
486
491
        """Log message formatted with timestamp"""
487
 
        if level < self.log_level:
488
 
            return
489
492
        timestamp = datetime.datetime.now().isoformat()
490
 
        self.log_message_raw("{}: {}".format(timestamp, message),
491
 
                             level=level)
 
493
        self.log_message_raw(timestamp + ": " + message)
492
494
    
493
 
    def log_message_raw(self, markup, level=1):
 
495
    def log_message_raw(self, markup):
494
496
        """Add a log message to the log buffer."""
495
 
        if level < self.log_level:
496
 
            return
497
497
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
498
498
        if (self.max_log_length
499
499
            and len(self.log) > self.max_log_length):
506
506
        """Toggle visibility of the log buffer."""
507
507
        self.log_visible = not self.log_visible
508
508
        self.rebuild()
509
 
        self.log_message("Log visibility changed to: {}"
510
 
                         .format(self.log_visible), level=0)
 
509
        #self.log_message("Log visibility changed to: "
 
510
        #                 + str(self.log_visible))
511
511
    
512
512
    def change_log_display(self):
513
513
        """Change type of log display.
518
518
            self.log_wrap = "clip"
519
519
        for textwidget in self.log:
520
520
            textwidget.set_wrap_mode(self.log_wrap)
521
 
        self.log_message("Wrap mode: {}".format(self.log_wrap),
522
 
                         level=0)
 
521
        #self.log_message("Wrap mode: " + self.log_wrap)
523
522
    
524
523
    def find_and_remove_client(self, path, name):
525
524
        """Find a client by its object path and remove it.
530
529
            client = self.clients_dict[path]
531
530
        except KeyError:
532
531
            # not found?
533
 
            self.log_message("Unknown client {!r} ({!r}) removed"
 
532
            self.log_message("Unknown client {0!r} ({1!r}) removed"
534
533
                             .format(name, path))
535
534
            return
536
535
        client.delete()
654
653
            elif key == "window resize":
655
654
                self.size = self.screen.get_cols_rows()
656
655
                self.refresh()
657
 
            elif key == "ctrl l":
658
 
                self.screen.clear()
 
656
            elif key == "\f":  # Ctrl-L
659
657
                self.refresh()
660
658
            elif key == "l" or key == "D":
661
659
                self.toggle_log_display()
673
671
                                            "?: Help",
674
672
                                            "l: Log window toggle",
675
673
                                            "TAB: Switch window",
676
 
                                            "w: Wrap (log lines)",
677
 
                                            "v: Toggle verbose log",
678
 
                                            ))))
 
674
                                            "w: Wrap (log)"))))
679
675
                self.log_message_raw(("bold",
680
676
                                      "  "
681
677
                                      .join(("Clients:",
694
690
                else:
695
691
                    self.topwidget.set_focus(self.logbox)
696
692
                self.refresh()
697
 
            elif key == "v":
698
 
                if self.log_level == 0:
699
 
                    self.log_level = 1
700
 
                    self.log_message("Verbose mode: Off")
701
 
                else:
702
 
                    self.log_level = 0
703
 
                    self.log_message("Verbose mode: On")
704
693
            #elif (key == "end" or key == "meta >" or key == "G"
705
694
            #      or key == ">"):
706
695
            #    pass            # xxx end-of-buffer