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mandos-monitor
1
 
#!/usr/bin/python3 -bb
 
1
#!/usr/bin/python
2
2
# -*- mode: python; coding: utf-8 -*-
3
 
#
 
3
# 
4
4
# Mandos Monitor - Control and monitor the Mandos server
5
 
#
6
 
# Copyright © 2009-2019 Teddy Hogeborn
7
 
# Copyright © 2009-2019 Björn Påhlsson
8
 
#
9
 
# This file is part of Mandos.
10
 
#
11
 
# Mandos is free software: you can redistribute it and/or modify it
12
 
# under the terms of the GNU General Public License as published by
 
5
# 
 
6
# Copyright © 2009-2015 Teddy Hogeborn
 
7
# Copyright © 2009-2015 Björn Påhlsson
 
8
# 
 
9
# This program is free software: you can redistribute it and/or modify
 
10
# it under the terms of the GNU General Public License as published by
13
11
# the Free Software Foundation, either version 3 of the License, or
14
12
# (at your option) any later version.
15
13
#
16
 
#     Mandos is distributed in the hope that it will be useful, but
17
 
#     WITHOUT ANY WARRANTY; without even the implied warranty of
 
14
#     This program is distributed in the hope that it will be useful,
 
15
#     but WITHOUT ANY WARRANTY; without even the implied warranty of
18
16
#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19
17
#     GNU General Public License for more details.
20
 
#
 
18
# 
21
19
# You should have received a copy of the GNU General Public License
22
 
# along with Mandos.  If not, see <http://www.gnu.org/licenses/>.
23
 
#
 
20
# along with this program.  If not, see
 
21
# <http://www.gnu.org/licenses/>.
 
22
# 
24
23
# Contact the authors at <mandos@recompile.se>.
25
 
#
 
24
# 
26
25
 
27
26
from __future__ import (division, absolute_import, print_function,
28
27
                        unicode_literals)
33
32
 
34
33
import sys
35
34
import os
36
 
import warnings
 
35
 
37
36
import datetime
38
37
 
39
38
import urwid.curses_display
40
39
import urwid
41
40
 
42
41
from dbus.mainloop.glib import DBusGMainLoop
43
 
from gi.repository import GLib
 
42
try:
 
43
    import gobject
 
44
except ImportError:
 
45
    from gi.repository import GObject as gobject
44
46
 
45
47
import dbus
46
48
 
47
49
import locale
48
50
 
49
 
import logging
50
 
 
51
51
if sys.version_info.major == 2:
52
52
    str = unicode
53
53
 
54
54
locale.setlocale(locale.LC_ALL, '')
55
55
 
 
56
import logging
56
57
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
57
58
 
58
59
# Some useful constants
59
60
domain = 'se.recompile'
60
61
server_interface = domain + '.Mandos'
61
62
client_interface = domain + '.Mandos.Client'
62
 
version = "1.8.9"
63
 
 
64
 
try:
65
 
    dbus.OBJECT_MANAGER_IFACE
66
 
except AttributeError:
67
 
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
68
 
 
 
63
version = "1.6.9"
69
64
 
70
65
def isoformat_to_datetime(iso):
71
66
    "Parse an ISO 8601 date string to a datetime.datetime()"
80
75
                             int(day),
81
76
                             int(hour),
82
77
                             int(minute),
83
 
                             int(second),            # Whole seconds
84
 
                             int(fraction*1000000))  # Microseconds
85
 
 
 
78
                             int(second),           # Whole seconds
 
79
                             int(fraction*1000000)) # Microseconds
86
80
 
87
81
class MandosClientPropertyCache(object):
88
82
    """This wraps a Mandos Client D-Bus proxy object, caches the
90
84
    changed.
91
85
    """
92
86
    def __init__(self, proxy_object=None, properties=None, **kwargs):
93
 
        self.proxy = proxy_object  # Mandos Client proxy object
 
87
        self.proxy = proxy_object # Mandos Client proxy object
94
88
        self.properties = dict() if properties is None else properties
95
89
        self.property_changed_match = (
96
90
            self.proxy.connect_to_signal("PropertiesChanged",
97
91
                                         self.properties_changed,
98
92
                                         dbus.PROPERTIES_IFACE,
99
93
                                         byte_arrays=True))
100
 
 
 
94
        
101
95
        if properties is None:
102
 
            self.properties.update(self.proxy.GetAll(
103
 
                client_interface,
104
 
                dbus_interface=dbus.PROPERTIES_IFACE))
105
 
 
 
96
            self.properties.update(
 
97
                self.proxy.GetAll(client_interface,
 
98
                                  dbus_interface
 
99
                                  = dbus.PROPERTIES_IFACE))
 
100
        
106
101
        super(MandosClientPropertyCache, self).__init__(**kwargs)
107
 
 
 
102
    
108
103
    def properties_changed(self, interface, properties, invalidated):
109
104
        """This is called whenever we get a PropertiesChanged signal
110
105
        It updates the changed properties in the "properties" dict.
111
106
        """
112
107
        # Update properties dict with new value
113
 
        if interface == client_interface:
114
 
            self.properties.update(properties)
115
 
 
 
108
        self.properties.update(properties)
 
109
    
116
110
    def delete(self):
117
111
        self.property_changed_match.remove()
118
112
 
120
114
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
121
115
    """A Mandos Client which is visible on the screen.
122
116
    """
123
 
 
 
117
    
124
118
    def __init__(self, server_proxy_object=None, update_hook=None,
125
119
                 delete_hook=None, logger=None, **kwargs):
126
120
        # Called on update
131
125
        self.server_proxy_object = server_proxy_object
132
126
        # Logger
133
127
        self.logger = logger
134
 
 
 
128
        
135
129
        self._update_timer_callback_tag = None
136
 
 
 
130
        
137
131
        # The widget shown normally
138
132
        self._text_widget = urwid.Text("")
139
133
        # The widget shown when we have focus
141
135
        super(MandosClientWidget, self).__init__(**kwargs)
142
136
        self.update()
143
137
        self.opened = False
144
 
 
 
138
        
145
139
        self.match_objects = (
146
140
            self.proxy.connect_to_signal("CheckerCompleted",
147
141
                                         self.checker_completed,
165
159
                                         byte_arrays=True))
166
160
        self.logger('Created client {}'
167
161
                    .format(self.properties["Name"]), level=0)
168
 
 
 
162
    
169
163
    def using_timer(self, flag):
170
164
        """Call this method with True or False when timer should be
171
165
        activated or deactivated.
172
166
        """
173
167
        if flag and self._update_timer_callback_tag is None:
174
168
            # Will update the shown timer value every second
175
 
            self._update_timer_callback_tag = (GLib.timeout_add
 
169
            self._update_timer_callback_tag = (gobject.timeout_add
176
170
                                               (1000,
177
171
                                                self.update_timer))
178
172
        elif not (flag or self._update_timer_callback_tag is None):
179
 
            GLib.source_remove(self._update_timer_callback_tag)
 
173
            gobject.source_remove(self._update_timer_callback_tag)
180
174
            self._update_timer_callback_tag = None
181
 
 
182
 
    def checker_completed(self, exitstatus, condition, command):
 
175
    
 
176
    def checker_completed(self, exitstatus, signal, command):
183
177
        if exitstatus == 0:
184
178
            self.logger('Checker for client {} (command "{}")'
185
179
                        ' succeeded'.format(self.properties["Name"],
187
181
            self.update()
188
182
            return
189
183
        # Checker failed
190
 
        if os.WIFEXITED(condition):
 
184
        if exitstatus >= 0:
191
185
            self.logger('Checker for client {} (command "{}") failed'
192
186
                        ' with exit code {}'
193
187
                        .format(self.properties["Name"], command,
194
 
                                os.WEXITSTATUS(condition)))
195
 
        elif os.WIFSIGNALED(condition):
 
188
                                exitstatus))
 
189
        elif signal != 0:
196
190
            self.logger('Checker for client {} (command "{}") was'
197
191
                        ' killed by signal {}'
198
192
                        .format(self.properties["Name"], command,
199
 
                                os.WTERMSIG(condition)))
 
193
                                signal))
 
194
        else:
 
195
            self.logger('Checker for client {} completed'
 
196
                        ' mysteriously'
 
197
                        .format(self.properties["Name"]))
200
198
        self.update()
201
 
 
 
199
    
202
200
    def checker_started(self, command):
203
201
        """Server signals that a checker started."""
204
202
        self.logger('Client {} started checker "{}"'
205
203
                    .format(self.properties["Name"],
206
204
                            command), level=0)
207
 
 
 
205
    
208
206
    def got_secret(self):
209
207
        self.logger('Client {} received its secret'
210
208
                    .format(self.properties["Name"]))
211
 
 
 
209
    
212
210
    def need_approval(self, timeout, default):
213
211
        if not default:
214
212
            message = 'Client {} needs approval within {} seconds'
216
214
            message = 'Client {} will get its secret in {} seconds'
217
215
        self.logger(message.format(self.properties["Name"],
218
216
                                   timeout/1000))
219
 
 
 
217
    
220
218
    def rejected(self, reason):
221
219
        self.logger('Client {} was rejected; reason: {}'
222
220
                    .format(self.properties["Name"], reason))
223
 
 
 
221
    
224
222
    def selectable(self):
225
223
        """Make this a "selectable" widget.
226
224
        This overrides the method from urwid.FlowWidget."""
227
225
        return True
228
 
 
 
226
    
229
227
    def rows(self, maxcolrow, focus=False):
230
228
        """How many rows this widget will occupy might depend on
231
229
        whether we have focus or not.
232
230
        This overrides the method from urwid.FlowWidget"""
233
231
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
234
 
 
 
232
    
235
233
    def current_widget(self, focus=False):
236
234
        if focus or self.opened:
237
235
            return self._focus_widget
238
236
        return self._widget
239
 
 
 
237
    
240
238
    def update(self):
241
239
        "Called when what is visible on the screen should be updated."
242
240
        # How to add standout mode to a style
243
 
        with_standout = {"normal": "standout",
244
 
                         "bold": "bold-standout",
245
 
                         "underline-blink":
246
 
                         "underline-blink-standout",
247
 
                         "bold-underline-blink":
248
 
                         "bold-underline-blink-standout",
249
 
                         }
250
 
 
 
241
        with_standout = { "normal": "standout",
 
242
                          "bold": "bold-standout",
 
243
                          "underline-blink":
 
244
                              "underline-blink-standout",
 
245
                          "bold-underline-blink":
 
246
                              "bold-underline-blink-standout",
 
247
                          }
 
248
        
251
249
        # Rebuild focus and non-focus widgets using current properties
252
 
 
 
250
        
253
251
        # Base part of a client. Name!
254
252
        base = '{name}: '.format(name=self.properties["Name"])
255
253
        if not self.properties["Enabled"]:
256
254
            message = "DISABLED"
257
255
            self.using_timer(False)
258
256
        elif self.properties["ApprovalPending"]:
259
 
            timeout = datetime.timedelta(
260
 
                milliseconds=self.properties["ApprovalDelay"])
 
257
            timeout = datetime.timedelta(milliseconds
 
258
                                         = self.properties
 
259
                                         ["ApprovalDelay"])
261
260
            last_approval_request = isoformat_to_datetime(
262
261
                self.properties["LastApprovalRequest"])
263
262
            if last_approval_request is not None:
290
289
            message = "enabled"
291
290
            self.using_timer(False)
292
291
        self._text = "{}{}".format(base, message)
293
 
 
 
292
        
294
293
        if not urwid.supports_unicode():
295
294
            self._text = self._text.encode("ascii", "replace")
296
295
        textlist = [("normal", self._text)]
306
305
        # Run update hook, if any
307
306
        if self.update_hook is not None:
308
307
            self.update_hook()
309
 
 
 
308
    
310
309
    def update_timer(self):
311
 
        """called by GLib. Will indefinitely loop until
312
 
        GLib.source_remove() on tag is called
313
 
        """
 
310
        """called by gobject. Will indefinitely loop until
 
311
        gobject.source_remove() on tag is called"""
314
312
        self.update()
315
313
        return True             # Keep calling this
316
 
 
 
314
    
317
315
    def delete(self, **kwargs):
318
316
        if self._update_timer_callback_tag is not None:
319
 
            GLib.source_remove(self._update_timer_callback_tag)
 
317
            gobject.source_remove(self._update_timer_callback_tag)
320
318
            self._update_timer_callback_tag = None
321
319
        for match in self.match_objects:
322
320
            match.remove()
324
322
        if self.delete_hook is not None:
325
323
            self.delete_hook(self)
326
324
        return super(MandosClientWidget, self).delete(**kwargs)
327
 
 
 
325
    
328
326
    def render(self, maxcolrow, focus=False):
329
327
        """Render differently if we have focus.
330
328
        This overrides the method from urwid.FlowWidget"""
331
329
        return self.current_widget(focus).render(maxcolrow,
332
330
                                                 focus=focus)
333
 
 
 
331
    
334
332
    def keypress(self, maxcolrow, key):
335
333
        """Handle keys.
336
334
        This overrides the method from urwid.FlowWidget"""
337
335
        if key == "+":
338
 
            self.proxy.Set(client_interface, "Enabled",
339
 
                           dbus.Boolean(True), ignore_reply=True,
340
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
336
            self.proxy.Enable(dbus_interface = client_interface,
 
337
                              ignore_reply=True)
341
338
        elif key == "-":
342
 
            self.proxy.Set(client_interface, "Enabled", False,
343
 
                           ignore_reply=True,
344
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
339
            self.proxy.Disable(dbus_interface = client_interface,
 
340
                               ignore_reply=True)
345
341
        elif key == "a":
346
342
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
347
 
                               dbus_interface=client_interface,
 
343
                               dbus_interface = client_interface,
348
344
                               ignore_reply=True)
349
345
        elif key == "d":
350
346
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
351
 
                               dbus_interface=client_interface,
 
347
                                  dbus_interface = client_interface,
352
348
                               ignore_reply=True)
353
349
        elif key == "R" or key == "_" or key == "ctrl k":
354
350
            self.server_proxy_object.RemoveClient(self.proxy
355
351
                                                  .object_path,
356
352
                                                  ignore_reply=True)
357
353
        elif key == "s":
358
 
            self.proxy.Set(client_interface, "CheckerRunning",
359
 
                           dbus.Boolean(True), ignore_reply=True,
360
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
354
            self.proxy.StartChecker(dbus_interface = client_interface,
 
355
                                    ignore_reply=True)
361
356
        elif key == "S":
362
 
            self.proxy.Set(client_interface, "CheckerRunning",
363
 
                           dbus.Boolean(False), ignore_reply=True,
364
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
357
            self.proxy.StopChecker(dbus_interface = client_interface,
 
358
                                   ignore_reply=True)
365
359
        elif key == "C":
366
 
            self.proxy.CheckedOK(dbus_interface=client_interface,
 
360
            self.proxy.CheckedOK(dbus_interface = client_interface,
367
361
                                 ignore_reply=True)
368
362
        # xxx
369
363
#         elif key == "p" or key == "=":
374
368
#             self.open()
375
369
        else:
376
370
            return key
377
 
 
 
371
    
378
372
    def properties_changed(self, interface, properties, invalidated):
379
373
        """Call self.update() if any properties changed.
380
374
        This overrides the method from MandosClientPropertyCache"""
381
 
        old_values = {key: self.properties.get(key)
382
 
                      for key in properties.keys()}
 
375
        old_values = { key: self.properties.get(key)
 
376
                       for key in properties.keys() }
383
377
        super(MandosClientWidget, self).properties_changed(
384
378
            interface, properties, invalidated)
385
379
        if any(old_values[key] != self.properties.get(key)
393
387
    use them as an excuse to shift focus away from this widget.
394
388
    """
395
389
    def keypress(self, *args, **kwargs):
396
 
        ret = (super(ConstrainedListBox, self)
397
 
               .keypress(*args, **kwargs))
 
390
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
398
391
        if ret in ("up", "down"):
399
392
            return
400
393
        return ret
406
399
    """
407
400
    def __init__(self, max_log_length=1000, log_level=1):
408
401
        DBusGMainLoop(set_as_default=True)
409
 
 
 
402
        
410
403
        self.screen = urwid.curses_display.Screen()
411
 
 
 
404
        
412
405
        self.screen.register_palette((
413
406
                ("normal",
414
407
                 "default", "default", None),
419
412
                ("standout",
420
413
                 "standout", "default", "standout"),
421
414
                ("bold-underline-blink",
422
 
                 "bold,underline,blink", "default",
423
 
                 "bold,underline,blink"),
 
415
                 "bold,underline,blink", "default", "bold,underline,blink"),
424
416
                ("bold-standout",
425
417
                 "bold,standout", "default", "bold,standout"),
426
418
                ("underline-blink-standout",
430
422
                 "bold,underline,blink,standout", "default",
431
423
                 "bold,underline,blink,standout"),
432
424
                ))
433
 
 
 
425
        
434
426
        if urwid.supports_unicode():
435
 
            self.divider = "─"  # \u2500
 
427
            self.divider = "─" # \u2500
 
428
            #self.divider = "━" # \u2501
436
429
        else:
437
 
            self.divider = "_"  # \u005f
438
 
 
 
430
            #self.divider = "-" # \u002d
 
431
            self.divider = "_" # \u005f
 
432
        
439
433
        self.screen.start()
440
 
 
 
434
        
441
435
        self.size = self.screen.get_cols_rows()
442
 
 
 
436
        
443
437
        self.clients = urwid.SimpleListWalker([])
444
438
        self.clients_dict = {}
445
 
 
 
439
        
446
440
        # We will add Text widgets to this list
447
 
        self.log = urwid.SimpleListWalker([])
 
441
        self.log = []
448
442
        self.max_log_length = max_log_length
449
 
 
 
443
        
450
444
        self.log_level = log_level
451
 
 
 
445
        
452
446
        # We keep a reference to the log widget so we can remove it
453
447
        # from the ListWalker without it getting destroyed
454
448
        self.logbox = ConstrainedListBox(self.log)
455
 
 
 
449
        
456
450
        # This keeps track of whether self.uilist currently has
457
451
        # self.logbox in it or not
458
452
        self.log_visible = True
459
453
        self.log_wrap = "any"
460
 
 
 
454
        
461
455
        self.rebuild()
462
456
        self.log_message_raw(("bold",
463
457
                              "Mandos Monitor version " + version))
464
458
        self.log_message_raw(("bold",
465
459
                              "q: Quit  ?: Help"))
466
 
 
 
460
        
467
461
        self.busname = domain + '.Mandos'
468
 
        self.main_loop = GLib.MainLoop()
469
 
 
470
 
    def client_not_found(self, key_id, address):
471
 
        self.log_message("Client with address {} and key ID {} could"
472
 
                         " not be found".format(address, key_id))
473
 
 
 
462
        self.main_loop = gobject.MainLoop()
 
463
    
 
464
    def client_not_found(self, fingerprint, address):
 
465
        self.log_message("Client with address {} and fingerprint {}"
 
466
                         " could not be found"
 
467
                         .format(address, fingerprint))
 
468
    
474
469
    def rebuild(self):
475
470
        """This rebuilds the User Interface.
476
471
        Call this when the widget layout needs to change"""
477
472
        self.uilist = []
478
 
        # self.uilist.append(urwid.ListBox(self.clients))
 
473
        #self.uilist.append(urwid.ListBox(self.clients))
479
474
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
480
475
                                                          clients),
481
 
                                       # header=urwid.Divider(),
 
476
                                       #header=urwid.Divider(),
482
477
                                       header=None,
483
 
                                       footer=urwid.Divider(
484
 
                                           div_char=self.divider)))
 
478
                                       footer=
 
479
                                       urwid.Divider(div_char=
 
480
                                                     self.divider)))
485
481
        if self.log_visible:
486
482
            self.uilist.append(self.logbox)
487
483
        self.topwidget = urwid.Pile(self.uilist)
488
 
 
 
484
    
489
485
    def log_message(self, message, level=1):
490
486
        """Log message formatted with timestamp"""
491
487
        if level < self.log_level:
493
489
        timestamp = datetime.datetime.now().isoformat()
494
490
        self.log_message_raw("{}: {}".format(timestamp, message),
495
491
                             level=level)
496
 
 
 
492
    
497
493
    def log_message_raw(self, markup, level=1):
498
494
        """Add a log message to the log buffer."""
499
495
        if level < self.log_level:
500
496
            return
501
497
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
502
 
        if self.max_log_length:
503
 
            if len(self.log) > self.max_log_length:
504
 
                del self.log[0:len(self.log)-self.max_log_length-1]
505
 
        self.logbox.set_focus(len(self.logbox.body.contents)-1,
 
498
        if (self.max_log_length
 
499
            and len(self.log) > self.max_log_length):
 
500
            del self.log[0:len(self.log)-self.max_log_length-1]
 
501
        self.logbox.set_focus(len(self.logbox.body.contents),
506
502
                              coming_from="above")
507
503
        self.refresh()
508
 
 
 
504
    
509
505
    def toggle_log_display(self):
510
506
        """Toggle visibility of the log buffer."""
511
507
        self.log_visible = not self.log_visible
512
508
        self.rebuild()
513
509
        self.log_message("Log visibility changed to: {}"
514
510
                         .format(self.log_visible), level=0)
515
 
 
 
511
    
516
512
    def change_log_display(self):
517
513
        """Change type of log display.
518
514
        Currently, this toggles wrapping of text lines."""
524
520
            textwidget.set_wrap_mode(self.log_wrap)
525
521
        self.log_message("Wrap mode: {}".format(self.log_wrap),
526
522
                         level=0)
527
 
 
528
 
    def find_and_remove_client(self, path, interfaces):
 
523
    
 
524
    def find_and_remove_client(self, path, name):
529
525
        """Find a client by its object path and remove it.
530
 
 
531
 
        This is connected to the InterfacesRemoved signal from the
 
526
        
 
527
        This is connected to the ClientRemoved signal from the
532
528
        Mandos server object."""
533
 
        if client_interface not in interfaces:
534
 
            # Not a Mandos client object; ignore
535
 
            return
536
529
        try:
537
530
            client = self.clients_dict[path]
538
531
        except KeyError:
539
532
            # not found?
540
 
            self.log_message("Unknown client {!r} removed"
541
 
                             .format(path))
 
533
            self.log_message("Unknown client {!r} ({!r}) removed"
 
534
                             .format(name, path))
542
535
            return
543
536
        client.delete()
544
 
 
545
 
    def add_new_client(self, path, ifs_and_props):
546
 
        """Find a client by its object path and remove it.
547
 
 
548
 
        This is connected to the InterfacesAdded signal from the
549
 
        Mandos server object.
550
 
        """
551
 
        if client_interface not in ifs_and_props:
552
 
            # Not a Mandos client object; ignore
553
 
            return
 
537
    
 
538
    def add_new_client(self, path):
554
539
        client_proxy_object = self.bus.get_object(self.busname, path)
555
 
        self.add_client(MandosClientWidget(
556
 
            server_proxy_object=self.mandos_serv,
557
 
            proxy_object=client_proxy_object,
558
 
            update_hook=self.refresh,
559
 
            delete_hook=self.remove_client,
560
 
            logger=self.log_message,
561
 
            properties=dict(ifs_and_props[client_interface])),
 
540
        self.add_client(MandosClientWidget(server_proxy_object
 
541
                                           =self.mandos_serv,
 
542
                                           proxy_object
 
543
                                           =client_proxy_object,
 
544
                                           update_hook
 
545
                                           =self.refresh,
 
546
                                           delete_hook
 
547
                                           =self.remove_client,
 
548
                                           logger
 
549
                                           =self.log_message),
562
550
                        path=path)
563
 
 
 
551
    
564
552
    def add_client(self, client, path=None):
565
553
        self.clients.append(client)
566
554
        if path is None:
568
556
        self.clients_dict[path] = client
569
557
        self.clients.sort(key=lambda c: c.properties["Name"])
570
558
        self.refresh()
571
 
 
 
559
    
572
560
    def remove_client(self, client, path=None):
573
561
        self.clients.remove(client)
574
562
        if path is None:
575
563
            path = client.proxy.object_path
576
564
        del self.clients_dict[path]
577
565
        self.refresh()
578
 
 
 
566
    
579
567
    def refresh(self):
580
568
        """Redraw the screen"""
581
569
        canvas = self.topwidget.render(self.size, focus=True)
582
570
        self.screen.draw_screen(self.size, canvas)
583
 
 
 
571
    
584
572
    def run(self):
585
573
        """Start the main loop and exit when it's done."""
586
574
        self.bus = dbus.SystemBus()
587
575
        mandos_dbus_objc = self.bus.get_object(
588
576
            self.busname, "/", follow_name_owner_changes=True)
589
 
        self.mandos_serv = dbus.Interface(
590
 
            mandos_dbus_objc, dbus_interface=server_interface)
 
577
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
578
                                          dbus_interface
 
579
                                          = server_interface)
591
580
        try:
592
581
            mandos_clients = (self.mandos_serv
593
582
                              .GetAllClientsWithProperties())
594
583
            if not mandos_clients:
595
 
                self.log_message_raw(("bold",
596
 
                                      "Note: Server has no clients."))
 
584
                self.log_message_raw(("bold", "Note: Server has no clients."))
597
585
        except dbus.exceptions.DBusException:
598
 
            self.log_message_raw(("bold",
599
 
                                  "Note: No Mandos server running."))
 
586
            self.log_message_raw(("bold", "Note: No Mandos server running."))
600
587
            mandos_clients = dbus.Dictionary()
601
 
 
 
588
        
602
589
        (self.mandos_serv
603
 
         .connect_to_signal("InterfacesRemoved",
 
590
         .connect_to_signal("ClientRemoved",
604
591
                            self.find_and_remove_client,
605
 
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
592
                            dbus_interface=server_interface,
606
593
                            byte_arrays=True))
607
594
        (self.mandos_serv
608
 
         .connect_to_signal("InterfacesAdded",
 
595
         .connect_to_signal("ClientAdded",
609
596
                            self.add_new_client,
610
 
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
597
                            dbus_interface=server_interface,
611
598
                            byte_arrays=True))
612
599
        (self.mandos_serv
613
600
         .connect_to_signal("ClientNotFound",
617
604
        for path, client in mandos_clients.items():
618
605
            client_proxy_object = self.bus.get_object(self.busname,
619
606
                                                      path)
620
 
            self.add_client(MandosClientWidget(
621
 
                server_proxy_object=self.mandos_serv,
622
 
                proxy_object=client_proxy_object,
623
 
                properties=client,
624
 
                update_hook=self.refresh,
625
 
                delete_hook=self.remove_client,
626
 
                logger=self.log_message),
 
607
            self.add_client(MandosClientWidget(server_proxy_object
 
608
                                               =self.mandos_serv,
 
609
                                               proxy_object
 
610
                                               =client_proxy_object,
 
611
                                               properties=client,
 
612
                                               update_hook
 
613
                                               =self.refresh,
 
614
                                               delete_hook
 
615
                                               =self.remove_client,
 
616
                                               logger
 
617
                                               =self.log_message),
627
618
                            path=path)
628
 
 
 
619
        
629
620
        self.refresh()
630
 
        self._input_callback_tag = (
631
 
            GLib.io_add_watch(
632
 
                GLib.IOChannel.unix_new(sys.stdin.fileno()),
633
 
                GLib.PRIORITY_DEFAULT, GLib.IO_IN,
634
 
                self.process_input))
 
621
        self._input_callback_tag = (gobject.io_add_watch
 
622
                                    (sys.stdin.fileno(),
 
623
                                     gobject.IO_IN,
 
624
                                     self.process_input))
635
625
        self.main_loop.run()
636
626
        # Main loop has finished, we should close everything now
637
 
        GLib.source_remove(self._input_callback_tag)
638
 
        with warnings.catch_warnings():
639
 
            warnings.simplefilter("ignore", BytesWarning)
640
 
            self.screen.stop()
641
 
 
 
627
        gobject.source_remove(self._input_callback_tag)
 
628
        self.screen.stop()
 
629
    
642
630
    def stop(self):
643
631
        self.main_loop.quit()
644
 
 
 
632
    
645
633
    def process_input(self, source, condition):
646
634
        keys = self.screen.get_input()
647
 
        translations = {"ctrl n": "down",       # Emacs
648
 
                        "ctrl p": "up",         # Emacs
649
 
                        "ctrl v": "page down",  # Emacs
650
 
                        "meta v": "page up",    # Emacs
651
 
                        " ": "page down",       # less
652
 
                        "f": "page down",       # less
653
 
                        "b": "page up",         # less
654
 
                        "j": "down",            # vi
655
 
                        "k": "up",              # vi
656
 
                        }
 
635
        translations = { "ctrl n": "down",      # Emacs
 
636
                         "ctrl p": "up",        # Emacs
 
637
                         "ctrl v": "page down", # Emacs
 
638
                         "meta v": "page up",   # Emacs
 
639
                         " ": "page down",      # less
 
640
                         "f": "page down",      # less
 
641
                         "b": "page up",        # less
 
642
                         "j": "down",           # vi
 
643
                         "k": "up",             # vi
 
644
                         }
657
645
        for key in keys:
658
646
            try:
659
647
                key = translations[key]
660
648
            except KeyError:    # :-)
661
649
                pass
662
 
 
 
650
            
663
651
            if key == "q" or key == "Q":
664
652
                self.stop()
665
653
                break
713
701
                else:
714
702
                    self.log_level = 0
715
703
                    self.log_message("Verbose mode: On")
716
 
            # elif (key == "end" or key == "meta >" or key == "G"
717
 
            #       or key == ">"):
718
 
            #     pass            # xxx end-of-buffer
719
 
            # elif (key == "home" or key == "meta <" or key == "g"
720
 
            #       or key == "<"):
721
 
            #     pass            # xxx beginning-of-buffer
722
 
            # elif key == "ctrl e" or key == "$":
723
 
            #     pass            # xxx move-end-of-line
724
 
            # elif key == "ctrl a" or key == "^":
725
 
            #     pass            # xxx move-beginning-of-line
726
 
            # elif key == "ctrl b" or key == "meta (" or key == "h":
727
 
            #     pass            # xxx left
728
 
            # elif key == "ctrl f" or key == "meta )" or key == "l":
729
 
            #     pass            # xxx right
730
 
            # elif key == "a":
731
 
            #     pass            # scroll up log
732
 
            # elif key == "z":
733
 
            #     pass            # scroll down log
 
704
            #elif (key == "end" or key == "meta >" or key == "G"
 
705
            #      or key == ">"):
 
706
            #    pass            # xxx end-of-buffer
 
707
            #elif (key == "home" or key == "meta <" or key == "g"
 
708
            #      or key == "<"):
 
709
            #    pass            # xxx beginning-of-buffer
 
710
            #elif key == "ctrl e" or key == "$":
 
711
            #    pass            # xxx move-end-of-line
 
712
            #elif key == "ctrl a" or key == "^":
 
713
            #    pass            # xxx move-beginning-of-line
 
714
            #elif key == "ctrl b" or key == "meta (" or key == "h":
 
715
            #    pass            # xxx left
 
716
            #elif key == "ctrl f" or key == "meta )" or key == "l":
 
717
            #    pass            # xxx right
 
718
            #elif key == "a":
 
719
            #    pass            # scroll up log
 
720
            #elif key == "z":
 
721
            #    pass            # scroll down log
734
722
            elif self.topwidget.selectable():
735
723
                self.topwidget.keypress(self.size, key)
736
724
                self.refresh()
737
725
        return True
738
726
 
739
 
 
740
727
ui = UserInterface()
741
728
try:
742
729
    ui.run()