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  • Committer: Teddy Hogeborn
  • Date: 2019-09-03 19:58:20 UTC
  • mfrom: (237.4.124 release)
  • Revision ID: teddy@recompile.se-20190903195820-oled75wark2skje4
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mandos-monitor
1
 
#!/usr/bin/python
 
1
#!/usr/bin/python3 -bb
2
2
# -*- mode: python; coding: utf-8 -*-
3
 
# 
 
3
#
4
4
# Mandos Monitor - Control and monitor the Mandos server
5
 
# 
6
 
# Copyright © 2009-2014 Teddy Hogeborn
7
 
# Copyright © 2009-2014 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
 
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
11
13
# the Free Software Foundation, either version 3 of the License, or
12
14
# (at your option) any later version.
13
15
#
14
 
#     This program is distributed in the hope that it will be useful,
15
 
#     but WITHOUT ANY WARRANTY; without even the implied warranty of
 
16
#     Mandos is distributed in the hope that it will be useful, but
 
17
#     WITHOUT ANY WARRANTY; without even the implied warranty of
16
18
#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17
19
#     GNU General Public License for more details.
18
 
# 
 
20
#
19
21
# You should have received a copy of the GNU General Public License
20
 
# along with this program.  If not, see
21
 
# <http://www.gnu.org/licenses/>.
22
 
# 
 
22
# along with Mandos.  If not, see <http://www.gnu.org/licenses/>.
 
23
#
23
24
# Contact the authors at <mandos@recompile.se>.
24
 
# 
 
25
#
25
26
 
26
27
from __future__ import (division, absolute_import, print_function,
27
28
                        unicode_literals)
32
33
 
33
34
import sys
34
35
import os
35
 
 
 
36
import warnings
36
37
import datetime
37
38
 
38
39
import urwid.curses_display
39
40
import urwid
40
41
 
41
42
from dbus.mainloop.glib import DBusGMainLoop
42
 
try:
43
 
    import gobject
44
 
except ImportError:
45
 
    from gi.repository import GObject as gobject
 
43
from gi.repository import GLib
46
44
 
47
45
import dbus
48
46
 
49
47
import locale
50
48
 
 
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
57
56
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
58
57
 
59
58
# Some useful constants
60
59
domain = 'se.recompile'
61
60
server_interface = domain + '.Mandos'
62
61
client_interface = domain + '.Mandos.Client'
63
 
version = "1.6.9"
 
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
 
64
69
 
65
70
def isoformat_to_datetime(iso):
66
71
    "Parse an ISO 8601 date string to a datetime.datetime()"
75
80
                             int(day),
76
81
                             int(hour),
77
82
                             int(minute),
78
 
                             int(second),           # Whole seconds
79
 
                             int(fraction*1000000)) # Microseconds
 
83
                             int(second),            # Whole seconds
 
84
                             int(fraction*1000000))  # Microseconds
 
85
 
80
86
 
81
87
class MandosClientPropertyCache(object):
82
88
    """This wraps a Mandos Client D-Bus proxy object, caches the
84
90
    changed.
85
91
    """
86
92
    def __init__(self, proxy_object=None, properties=None, **kwargs):
87
 
        self.proxy = proxy_object # Mandos Client proxy object
 
93
        self.proxy = proxy_object  # Mandos Client proxy object
88
94
        self.properties = dict() if properties is None else properties
89
95
        self.property_changed_match = (
90
96
            self.proxy.connect_to_signal("PropertiesChanged",
91
97
                                         self.properties_changed,
92
98
                                         dbus.PROPERTIES_IFACE,
93
99
                                         byte_arrays=True))
94
 
        
 
100
 
95
101
        if properties is None:
96
 
            self.properties.update(
97
 
                self.proxy.GetAll(client_interface,
98
 
                                  dbus_interface
99
 
                                  = dbus.PROPERTIES_IFACE))
100
 
        
 
102
            self.properties.update(self.proxy.GetAll(
 
103
                client_interface,
 
104
                dbus_interface=dbus.PROPERTIES_IFACE))
 
105
 
101
106
        super(MandosClientPropertyCache, self).__init__(**kwargs)
102
 
    
 
107
 
103
108
    def properties_changed(self, interface, properties, invalidated):
104
109
        """This is called whenever we get a PropertiesChanged signal
105
110
        It updates the changed properties in the "properties" dict.
106
111
        """
107
112
        # Update properties dict with new value
108
 
        self.properties.update(properties)
109
 
    
 
113
        if interface == client_interface:
 
114
            self.properties.update(properties)
 
115
 
110
116
    def delete(self):
111
117
        self.property_changed_match.remove()
112
118
 
114
120
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
115
121
    """A Mandos Client which is visible on the screen.
116
122
    """
117
 
    
 
123
 
118
124
    def __init__(self, server_proxy_object=None, update_hook=None,
119
125
                 delete_hook=None, logger=None, **kwargs):
120
126
        # Called on update
125
131
        self.server_proxy_object = server_proxy_object
126
132
        # Logger
127
133
        self.logger = logger
128
 
        
 
134
 
129
135
        self._update_timer_callback_tag = None
130
 
        
 
136
 
131
137
        # The widget shown normally
132
138
        self._text_widget = urwid.Text("")
133
139
        # The widget shown when we have focus
135
141
        super(MandosClientWidget, self).__init__(**kwargs)
136
142
        self.update()
137
143
        self.opened = False
138
 
        
 
144
 
139
145
        self.match_objects = (
140
146
            self.proxy.connect_to_signal("CheckerCompleted",
141
147
                                         self.checker_completed,
159
165
                                         byte_arrays=True))
160
166
        self.logger('Created client {}'
161
167
                    .format(self.properties["Name"]), level=0)
162
 
    
 
168
 
163
169
    def using_timer(self, flag):
164
170
        """Call this method with True or False when timer should be
165
171
        activated or deactivated.
166
172
        """
167
173
        if flag and self._update_timer_callback_tag is None:
168
174
            # Will update the shown timer value every second
169
 
            self._update_timer_callback_tag = (gobject.timeout_add
 
175
            self._update_timer_callback_tag = (GLib.timeout_add
170
176
                                               (1000,
171
177
                                                self.update_timer))
172
178
        elif not (flag or self._update_timer_callback_tag is None):
173
 
            gobject.source_remove(self._update_timer_callback_tag)
 
179
            GLib.source_remove(self._update_timer_callback_tag)
174
180
            self._update_timer_callback_tag = None
175
 
    
 
181
 
176
182
    def checker_completed(self, exitstatus, condition, command):
177
183
        if exitstatus == 0:
178
184
            self.logger('Checker for client {} (command "{}")'
191
197
                        ' killed by signal {}'
192
198
                        .format(self.properties["Name"], command,
193
199
                                os.WTERMSIG(condition)))
194
 
        elif os.WCOREDUMP(condition):
195
 
            self.logger('Checker for client {} (command "{}") dumped'
196
 
                        ' core'.format(self.properties["Name"],
197
 
                                       command))
198
 
        else:
199
 
            self.logger('Checker for client {} completed'
200
 
                        ' mysteriously'
201
 
                        .format(self.properties["Name"]))
202
200
        self.update()
203
 
    
 
201
 
204
202
    def checker_started(self, command):
205
203
        """Server signals that a checker started."""
206
204
        self.logger('Client {} started checker "{}"'
207
205
                    .format(self.properties["Name"],
208
206
                            command), level=0)
209
 
    
 
207
 
210
208
    def got_secret(self):
211
209
        self.logger('Client {} received its secret'
212
210
                    .format(self.properties["Name"]))
213
 
    
 
211
 
214
212
    def need_approval(self, timeout, default):
215
213
        if not default:
216
214
            message = 'Client {} needs approval within {} seconds'
218
216
            message = 'Client {} will get its secret in {} seconds'
219
217
        self.logger(message.format(self.properties["Name"],
220
218
                                   timeout/1000))
221
 
    
 
219
 
222
220
    def rejected(self, reason):
223
221
        self.logger('Client {} was rejected; reason: {}'
224
222
                    .format(self.properties["Name"], reason))
225
 
    
 
223
 
226
224
    def selectable(self):
227
225
        """Make this a "selectable" widget.
228
226
        This overrides the method from urwid.FlowWidget."""
229
227
        return True
230
 
    
 
228
 
231
229
    def rows(self, maxcolrow, focus=False):
232
230
        """How many rows this widget will occupy might depend on
233
231
        whether we have focus or not.
234
232
        This overrides the method from urwid.FlowWidget"""
235
233
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
236
 
    
 
234
 
237
235
    def current_widget(self, focus=False):
238
236
        if focus or self.opened:
239
237
            return self._focus_widget
240
238
        return self._widget
241
 
    
 
239
 
242
240
    def update(self):
243
241
        "Called when what is visible on the screen should be updated."
244
242
        # How to add standout mode to a style
245
 
        with_standout = { "normal": "standout",
246
 
                          "bold": "bold-standout",
247
 
                          "underline-blink":
248
 
                              "underline-blink-standout",
249
 
                          "bold-underline-blink":
250
 
                              "bold-underline-blink-standout",
251
 
                          }
252
 
        
 
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
 
253
251
        # Rebuild focus and non-focus widgets using current properties
254
 
        
 
252
 
255
253
        # Base part of a client. Name!
256
254
        base = '{name}: '.format(name=self.properties["Name"])
257
255
        if not self.properties["Enabled"]:
258
256
            message = "DISABLED"
259
257
            self.using_timer(False)
260
258
        elif self.properties["ApprovalPending"]:
261
 
            timeout = datetime.timedelta(milliseconds
262
 
                                         = self.properties
263
 
                                         ["ApprovalDelay"])
 
259
            timeout = datetime.timedelta(
 
260
                milliseconds=self.properties["ApprovalDelay"])
264
261
            last_approval_request = isoformat_to_datetime(
265
262
                self.properties["LastApprovalRequest"])
266
263
            if last_approval_request is not None:
293
290
            message = "enabled"
294
291
            self.using_timer(False)
295
292
        self._text = "{}{}".format(base, message)
296
 
        
 
293
 
297
294
        if not urwid.supports_unicode():
298
295
            self._text = self._text.encode("ascii", "replace")
299
296
        textlist = [("normal", self._text)]
309
306
        # Run update hook, if any
310
307
        if self.update_hook is not None:
311
308
            self.update_hook()
312
 
    
 
309
 
313
310
    def update_timer(self):
314
 
        """called by gobject. Will indefinitely loop until
315
 
        gobject.source_remove() on tag is called"""
 
311
        """called by GLib. Will indefinitely loop until
 
312
        GLib.source_remove() on tag is called
 
313
        """
316
314
        self.update()
317
315
        return True             # Keep calling this
318
 
    
 
316
 
319
317
    def delete(self, **kwargs):
320
318
        if self._update_timer_callback_tag is not None:
321
 
            gobject.source_remove(self._update_timer_callback_tag)
 
319
            GLib.source_remove(self._update_timer_callback_tag)
322
320
            self._update_timer_callback_tag = None
323
321
        for match in self.match_objects:
324
322
            match.remove()
326
324
        if self.delete_hook is not None:
327
325
            self.delete_hook(self)
328
326
        return super(MandosClientWidget, self).delete(**kwargs)
329
 
    
 
327
 
330
328
    def render(self, maxcolrow, focus=False):
331
329
        """Render differently if we have focus.
332
330
        This overrides the method from urwid.FlowWidget"""
333
331
        return self.current_widget(focus).render(maxcolrow,
334
332
                                                 focus=focus)
335
 
    
 
333
 
336
334
    def keypress(self, maxcolrow, key):
337
335
        """Handle keys.
338
336
        This overrides the method from urwid.FlowWidget"""
339
337
        if key == "+":
340
 
            self.proxy.Enable(dbus_interface = client_interface,
341
 
                              ignore_reply=True)
 
338
            self.proxy.Set(client_interface, "Enabled",
 
339
                           dbus.Boolean(True), ignore_reply=True,
 
340
                           dbus_interface=dbus.PROPERTIES_IFACE)
342
341
        elif key == "-":
343
 
            self.proxy.Disable(dbus_interface = client_interface,
344
 
                               ignore_reply=True)
 
342
            self.proxy.Set(client_interface, "Enabled", False,
 
343
                           ignore_reply=True,
 
344
                           dbus_interface=dbus.PROPERTIES_IFACE)
345
345
        elif key == "a":
346
346
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
347
 
                               dbus_interface = client_interface,
 
347
                               dbus_interface=client_interface,
348
348
                               ignore_reply=True)
349
349
        elif key == "d":
350
350
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
351
 
                                  dbus_interface = client_interface,
 
351
                               dbus_interface=client_interface,
352
352
                               ignore_reply=True)
353
353
        elif key == "R" or key == "_" or key == "ctrl k":
354
354
            self.server_proxy_object.RemoveClient(self.proxy
355
355
                                                  .object_path,
356
356
                                                  ignore_reply=True)
357
357
        elif key == "s":
358
 
            self.proxy.StartChecker(dbus_interface = client_interface,
359
 
                                    ignore_reply=True)
 
358
            self.proxy.Set(client_interface, "CheckerRunning",
 
359
                           dbus.Boolean(True), ignore_reply=True,
 
360
                           dbus_interface=dbus.PROPERTIES_IFACE)
360
361
        elif key == "S":
361
 
            self.proxy.StopChecker(dbus_interface = client_interface,
362
 
                                   ignore_reply=True)
 
362
            self.proxy.Set(client_interface, "CheckerRunning",
 
363
                           dbus.Boolean(False), ignore_reply=True,
 
364
                           dbus_interface=dbus.PROPERTIES_IFACE)
363
365
        elif key == "C":
364
 
            self.proxy.CheckedOK(dbus_interface = client_interface,
 
366
            self.proxy.CheckedOK(dbus_interface=client_interface,
365
367
                                 ignore_reply=True)
366
368
        # xxx
367
369
#         elif key == "p" or key == "=":
372
374
#             self.open()
373
375
        else:
374
376
            return key
375
 
    
 
377
 
376
378
    def properties_changed(self, interface, properties, invalidated):
377
379
        """Call self.update() if any properties changed.
378
380
        This overrides the method from MandosClientPropertyCache"""
379
 
        old_values = { key: self.properties.get(key)
380
 
                       for key in properties.keys() }
 
381
        old_values = {key: self.properties.get(key)
 
382
                      for key in properties.keys()}
381
383
        super(MandosClientWidget, self).properties_changed(
382
384
            interface, properties, invalidated)
383
385
        if any(old_values[key] != self.properties.get(key)
391
393
    use them as an excuse to shift focus away from this widget.
392
394
    """
393
395
    def keypress(self, *args, **kwargs):
394
 
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
 
396
        ret = (super(ConstrainedListBox, self)
 
397
               .keypress(*args, **kwargs))
395
398
        if ret in ("up", "down"):
396
399
            return
397
400
        return ret
403
406
    """
404
407
    def __init__(self, max_log_length=1000, log_level=1):
405
408
        DBusGMainLoop(set_as_default=True)
406
 
        
 
409
 
407
410
        self.screen = urwid.curses_display.Screen()
408
 
        
 
411
 
409
412
        self.screen.register_palette((
410
413
                ("normal",
411
414
                 "default", "default", None),
416
419
                ("standout",
417
420
                 "standout", "default", "standout"),
418
421
                ("bold-underline-blink",
419
 
                 "bold,underline,blink", "default", "bold,underline,blink"),
 
422
                 "bold,underline,blink", "default",
 
423
                 "bold,underline,blink"),
420
424
                ("bold-standout",
421
425
                 "bold,standout", "default", "bold,standout"),
422
426
                ("underline-blink-standout",
426
430
                 "bold,underline,blink,standout", "default",
427
431
                 "bold,underline,blink,standout"),
428
432
                ))
429
 
        
 
433
 
430
434
        if urwid.supports_unicode():
431
 
            self.divider = "─" # \u2500
432
 
            #self.divider = "━" # \u2501
 
435
            self.divider = "─"  # \u2500
433
436
        else:
434
 
            #self.divider = "-" # \u002d
435
 
            self.divider = "_" # \u005f
436
 
        
 
437
            self.divider = "_"  # \u005f
 
438
 
437
439
        self.screen.start()
438
 
        
 
440
 
439
441
        self.size = self.screen.get_cols_rows()
440
 
        
 
442
 
441
443
        self.clients = urwid.SimpleListWalker([])
442
444
        self.clients_dict = {}
443
 
        
 
445
 
444
446
        # We will add Text widgets to this list
445
 
        self.log = []
 
447
        self.log = urwid.SimpleListWalker([])
446
448
        self.max_log_length = max_log_length
447
 
        
 
449
 
448
450
        self.log_level = log_level
449
 
        
 
451
 
450
452
        # We keep a reference to the log widget so we can remove it
451
453
        # from the ListWalker without it getting destroyed
452
454
        self.logbox = ConstrainedListBox(self.log)
453
 
        
 
455
 
454
456
        # This keeps track of whether self.uilist currently has
455
457
        # self.logbox in it or not
456
458
        self.log_visible = True
457
459
        self.log_wrap = "any"
458
 
        
 
460
 
459
461
        self.rebuild()
460
462
        self.log_message_raw(("bold",
461
463
                              "Mandos Monitor version " + version))
462
464
        self.log_message_raw(("bold",
463
465
                              "q: Quit  ?: Help"))
464
 
        
 
466
 
465
467
        self.busname = domain + '.Mandos'
466
 
        self.main_loop = gobject.MainLoop()
467
 
    
468
 
    def client_not_found(self, fingerprint, address):
469
 
        self.log_message("Client with address {} and fingerprint {}"
470
 
                         " could not be found"
471
 
                         .format(address, fingerprint))
472
 
    
 
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
 
473
474
    def rebuild(self):
474
475
        """This rebuilds the User Interface.
475
476
        Call this when the widget layout needs to change"""
476
477
        self.uilist = []
477
 
        #self.uilist.append(urwid.ListBox(self.clients))
 
478
        # self.uilist.append(urwid.ListBox(self.clients))
478
479
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
479
480
                                                          clients),
480
 
                                       #header=urwid.Divider(),
 
481
                                       # header=urwid.Divider(),
481
482
                                       header=None,
482
 
                                       footer=
483
 
                                       urwid.Divider(div_char=
484
 
                                                     self.divider)))
 
483
                                       footer=urwid.Divider(
 
484
                                           div_char=self.divider)))
485
485
        if self.log_visible:
486
486
            self.uilist.append(self.logbox)
487
487
        self.topwidget = urwid.Pile(self.uilist)
488
 
    
 
488
 
489
489
    def log_message(self, message, level=1):
490
490
        """Log message formatted with timestamp"""
491
491
        if level < self.log_level:
493
493
        timestamp = datetime.datetime.now().isoformat()
494
494
        self.log_message_raw("{}: {}".format(timestamp, message),
495
495
                             level=level)
496
 
    
 
496
 
497
497
    def log_message_raw(self, markup, level=1):
498
498
        """Add a log message to the log buffer."""
499
499
        if level < self.log_level:
500
500
            return
501
501
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
502
 
        if (self.max_log_length
503
 
            and 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),
 
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,
506
506
                              coming_from="above")
507
507
        self.refresh()
508
 
    
 
508
 
509
509
    def toggle_log_display(self):
510
510
        """Toggle visibility of the log buffer."""
511
511
        self.log_visible = not self.log_visible
512
512
        self.rebuild()
513
513
        self.log_message("Log visibility changed to: {}"
514
514
                         .format(self.log_visible), level=0)
515
 
    
 
515
 
516
516
    def change_log_display(self):
517
517
        """Change type of log display.
518
518
        Currently, this toggles wrapping of text lines."""
524
524
            textwidget.set_wrap_mode(self.log_wrap)
525
525
        self.log_message("Wrap mode: {}".format(self.log_wrap),
526
526
                         level=0)
527
 
    
528
 
    def find_and_remove_client(self, path, name):
 
527
 
 
528
    def find_and_remove_client(self, path, interfaces):
529
529
        """Find a client by its object path and remove it.
530
 
        
531
 
        This is connected to the ClientRemoved signal from the
 
530
 
 
531
        This is connected to the InterfacesRemoved signal from the
532
532
        Mandos server object."""
 
533
        if client_interface not in interfaces:
 
534
            # Not a Mandos client object; ignore
 
535
            return
533
536
        try:
534
537
            client = self.clients_dict[path]
535
538
        except KeyError:
536
539
            # not found?
537
 
            self.log_message("Unknown client {!r} ({!r}) removed"
538
 
                             .format(name, path))
 
540
            self.log_message("Unknown client {!r} removed"
 
541
                             .format(path))
539
542
            return
540
543
        client.delete()
541
 
    
542
 
    def add_new_client(self, path):
 
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
543
554
        client_proxy_object = self.bus.get_object(self.busname, path)
544
 
        self.add_client(MandosClientWidget(server_proxy_object
545
 
                                           =self.mandos_serv,
546
 
                                           proxy_object
547
 
                                           =client_proxy_object,
548
 
                                           update_hook
549
 
                                           =self.refresh,
550
 
                                           delete_hook
551
 
                                           =self.remove_client,
552
 
                                           logger
553
 
                                           =self.log_message),
 
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])),
554
562
                        path=path)
555
 
    
 
563
 
556
564
    def add_client(self, client, path=None):
557
565
        self.clients.append(client)
558
566
        if path is None:
560
568
        self.clients_dict[path] = client
561
569
        self.clients.sort(key=lambda c: c.properties["Name"])
562
570
        self.refresh()
563
 
    
 
571
 
564
572
    def remove_client(self, client, path=None):
565
573
        self.clients.remove(client)
566
574
        if path is None:
567
575
            path = client.proxy.object_path
568
576
        del self.clients_dict[path]
569
577
        self.refresh()
570
 
    
 
578
 
571
579
    def refresh(self):
572
580
        """Redraw the screen"""
573
581
        canvas = self.topwidget.render(self.size, focus=True)
574
582
        self.screen.draw_screen(self.size, canvas)
575
 
    
 
583
 
576
584
    def run(self):
577
585
        """Start the main loop and exit when it's done."""
578
586
        self.bus = dbus.SystemBus()
579
587
        mandos_dbus_objc = self.bus.get_object(
580
588
            self.busname, "/", follow_name_owner_changes=True)
581
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
582
 
                                          dbus_interface
583
 
                                          = server_interface)
 
589
        self.mandos_serv = dbus.Interface(
 
590
            mandos_dbus_objc, dbus_interface=server_interface)
584
591
        try:
585
592
            mandos_clients = (self.mandos_serv
586
593
                              .GetAllClientsWithProperties())
587
594
            if not mandos_clients:
588
 
                self.log_message_raw(("bold", "Note: Server has no clients."))
 
595
                self.log_message_raw(("bold",
 
596
                                      "Note: Server has no clients."))
589
597
        except dbus.exceptions.DBusException:
590
 
            self.log_message_raw(("bold", "Note: No Mandos server running."))
 
598
            self.log_message_raw(("bold",
 
599
                                  "Note: No Mandos server running."))
591
600
            mandos_clients = dbus.Dictionary()
592
 
        
 
601
 
593
602
        (self.mandos_serv
594
 
         .connect_to_signal("ClientRemoved",
 
603
         .connect_to_signal("InterfacesRemoved",
595
604
                            self.find_and_remove_client,
596
 
                            dbus_interface=server_interface,
 
605
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
597
606
                            byte_arrays=True))
598
607
        (self.mandos_serv
599
 
         .connect_to_signal("ClientAdded",
 
608
         .connect_to_signal("InterfacesAdded",
600
609
                            self.add_new_client,
601
 
                            dbus_interface=server_interface,
 
610
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
602
611
                            byte_arrays=True))
603
612
        (self.mandos_serv
604
613
         .connect_to_signal("ClientNotFound",
608
617
        for path, client in mandos_clients.items():
609
618
            client_proxy_object = self.bus.get_object(self.busname,
610
619
                                                      path)
611
 
            self.add_client(MandosClientWidget(server_proxy_object
612
 
                                               =self.mandos_serv,
613
 
                                               proxy_object
614
 
                                               =client_proxy_object,
615
 
                                               properties=client,
616
 
                                               update_hook
617
 
                                               =self.refresh,
618
 
                                               delete_hook
619
 
                                               =self.remove_client,
620
 
                                               logger
621
 
                                               =self.log_message),
 
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),
622
627
                            path=path)
623
 
        
 
628
 
624
629
        self.refresh()
625
 
        self._input_callback_tag = (gobject.io_add_watch
626
 
                                    (sys.stdin.fileno(),
627
 
                                     gobject.IO_IN,
628
 
                                     self.process_input))
 
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))
629
635
        self.main_loop.run()
630
636
        # Main loop has finished, we should close everything now
631
 
        gobject.source_remove(self._input_callback_tag)
632
 
        self.screen.stop()
633
 
    
 
637
        GLib.source_remove(self._input_callback_tag)
 
638
        with warnings.catch_warnings():
 
639
            warnings.simplefilter("ignore", BytesWarning)
 
640
            self.screen.stop()
 
641
 
634
642
    def stop(self):
635
643
        self.main_loop.quit()
636
 
    
 
644
 
637
645
    def process_input(self, source, condition):
638
646
        keys = self.screen.get_input()
639
 
        translations = { "ctrl n": "down",      # Emacs
640
 
                         "ctrl p": "up",        # Emacs
641
 
                         "ctrl v": "page down", # Emacs
642
 
                         "meta v": "page up",   # Emacs
643
 
                         " ": "page down",      # less
644
 
                         "f": "page down",      # less
645
 
                         "b": "page up",        # less
646
 
                         "j": "down",           # vi
647
 
                         "k": "up",             # vi
648
 
                         }
 
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
                        }
649
657
        for key in keys:
650
658
            try:
651
659
                key = translations[key]
652
660
            except KeyError:    # :-)
653
661
                pass
654
 
            
 
662
 
655
663
            if key == "q" or key == "Q":
656
664
                self.stop()
657
665
                break
705
713
                else:
706
714
                    self.log_level = 0
707
715
                    self.log_message("Verbose mode: On")
708
 
            #elif (key == "end" or key == "meta >" or key == "G"
709
 
            #      or key == ">"):
710
 
            #    pass            # xxx end-of-buffer
711
 
            #elif (key == "home" or key == "meta <" or key == "g"
712
 
            #      or key == "<"):
713
 
            #    pass            # xxx beginning-of-buffer
714
 
            #elif key == "ctrl e" or key == "$":
715
 
            #    pass            # xxx move-end-of-line
716
 
            #elif key == "ctrl a" or key == "^":
717
 
            #    pass            # xxx move-beginning-of-line
718
 
            #elif key == "ctrl b" or key == "meta (" or key == "h":
719
 
            #    pass            # xxx left
720
 
            #elif key == "ctrl f" or key == "meta )" or key == "l":
721
 
            #    pass            # xxx right
722
 
            #elif key == "a":
723
 
            #    pass            # scroll up log
724
 
            #elif key == "z":
725
 
            #    pass            # scroll down log
 
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
726
734
            elif self.topwidget.selectable():
727
735
                self.topwidget.keypress(self.size, key)
728
736
                self.refresh()
729
737
        return True
730
738
 
 
739
 
731
740
ui = UserInterface()
732
741
try:
733
742
    ui.run()