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  • Committer: Teddy Hogeborn
  • Date: 2019-09-03 18:43:11 UTC
  • Revision ID: teddy@recompile.se-20190903184311-zr795sh32mmq2drk
mandos: Only join() still running checker processes

* mandos (Client.checker_callback): Only do .join() on checker if it
                                    is not None.

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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
 
51
 
if sys.version_info[0] == 2:
 
49
import logging
 
50
 
 
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 = "1.6.7"
 
62
version = "1.8.8"
 
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
 
            self.proxy.connect_to_signal("PropertyChanged",
91
 
                                         self._property_changed,
92
 
                                         client_interface,
 
96
            self.proxy.connect_to_signal("PropertiesChanged",
 
97
                                         self.properties_changed,
 
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
 
    
103
 
    def _property_changed(self, property, value):
104
 
        """Helper which takes positional arguments"""
105
 
        return self.property_changed(property=property, value=value)
106
 
    
107
 
    def property_changed(self, property=None, value=None):
108
 
        """This is called whenever we get a PropertyChanged signal
109
 
        It updates the changed property in the "properties" dict.
 
107
 
 
108
    def properties_changed(self, interface, properties, invalidated):
 
109
        """This is called whenever we get a PropertiesChanged signal
 
110
        It updates the changed properties in the "properties" dict.
110
111
        """
111
112
        # Update properties dict with new value
112
 
        self.properties[property] = value
113
 
    
 
113
        if interface == client_interface:
 
114
            self.properties.update(properties)
 
115
 
114
116
    def delete(self):
115
117
        self.property_changed_match.remove()
116
118
 
118
120
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
119
121
    """A Mandos Client which is visible on the screen.
120
122
    """
121
 
    
 
123
 
122
124
    def __init__(self, server_proxy_object=None, update_hook=None,
123
125
                 delete_hook=None, logger=None, **kwargs):
124
126
        # Called on update
129
131
        self.server_proxy_object = server_proxy_object
130
132
        # Logger
131
133
        self.logger = logger
132
 
        
 
134
 
133
135
        self._update_timer_callback_tag = None
134
 
        
 
136
 
135
137
        # The widget shown normally
136
138
        self._text_widget = urwid.Text("")
137
139
        # The widget shown when we have focus
139
141
        super(MandosClientWidget, self).__init__(**kwargs)
140
142
        self.update()
141
143
        self.opened = False
142
 
        
 
144
 
143
145
        self.match_objects = (
144
146
            self.proxy.connect_to_signal("CheckerCompleted",
145
147
                                         self.checker_completed,
161
163
                                         self.rejected,
162
164
                                         client_interface,
163
165
                                         byte_arrays=True))
164
 
        self.logger('Created client {0}'
 
166
        self.logger('Created client {}'
165
167
                    .format(self.properties["Name"]), level=0)
166
 
    
 
168
 
167
169
    def using_timer(self, flag):
168
170
        """Call this method with True or False when timer should be
169
171
        activated or deactivated.
170
172
        """
171
173
        if flag and self._update_timer_callback_tag is None:
172
174
            # Will update the shown timer value every second
173
 
            self._update_timer_callback_tag = (gobject.timeout_add
 
175
            self._update_timer_callback_tag = (GLib.timeout_add
174
176
                                               (1000,
175
177
                                                self.update_timer))
176
178
        elif not (flag or self._update_timer_callback_tag is None):
177
 
            gobject.source_remove(self._update_timer_callback_tag)
 
179
            GLib.source_remove(self._update_timer_callback_tag)
178
180
            self._update_timer_callback_tag = None
179
 
    
 
181
 
180
182
    def checker_completed(self, exitstatus, condition, command):
181
183
        if exitstatus == 0:
182
 
            self.logger('Checker for client {0} (command "{1}")'
 
184
            self.logger('Checker for client {} (command "{}")'
183
185
                        ' succeeded'.format(self.properties["Name"],
184
186
                                            command), level=0)
185
187
            self.update()
186
188
            return
187
189
        # Checker failed
188
190
        if os.WIFEXITED(condition):
189
 
            self.logger('Checker for client {0} (command "{1}")'
190
 
                        ' failed with exit code {2}'
 
191
            self.logger('Checker for client {} (command "{}") failed'
 
192
                        ' with exit code {}'
191
193
                        .format(self.properties["Name"], command,
192
194
                                os.WEXITSTATUS(condition)))
193
195
        elif os.WIFSIGNALED(condition):
194
 
            self.logger('Checker for client {0} (command "{1}") was'
195
 
                        ' killed by signal {2}'
 
196
            self.logger('Checker for client {} (command "{}") was'
 
197
                        ' killed by signal {}'
196
198
                        .format(self.properties["Name"], command,
197
199
                                os.WTERMSIG(condition)))
198
 
        elif os.WCOREDUMP(condition):
199
 
            self.logger('Checker for client {0} (command "{1}")'
200
 
                        ' dumped core'
201
 
                        .format(self.properties["Name"], command))
202
 
        else:
203
 
            self.logger('Checker for client {0} completed'
204
 
                        ' mysteriously'
205
 
                        .format(self.properties["Name"]))
206
200
        self.update()
207
 
    
 
201
 
208
202
    def checker_started(self, command):
209
203
        """Server signals that a checker started."""
210
 
        self.logger('Client {0} started checker "{1}"'
 
204
        self.logger('Client {} started checker "{}"'
211
205
                    .format(self.properties["Name"],
212
206
                            command), level=0)
213
 
    
 
207
 
214
208
    def got_secret(self):
215
 
        self.logger('Client {0} received its secret'
 
209
        self.logger('Client {} received its secret'
216
210
                    .format(self.properties["Name"]))
217
 
    
 
211
 
218
212
    def need_approval(self, timeout, default):
219
213
        if not default:
220
 
            message = 'Client {0} needs approval within {1} seconds'
 
214
            message = 'Client {} needs approval within {} seconds'
221
215
        else:
222
 
            message = 'Client {0} will get its secret in {1} seconds'
 
216
            message = 'Client {} will get its secret in {} seconds'
223
217
        self.logger(message.format(self.properties["Name"],
224
218
                                   timeout/1000))
225
 
    
 
219
 
226
220
    def rejected(self, reason):
227
 
        self.logger('Client {0} was rejected; reason: {1}'
 
221
        self.logger('Client {} was rejected; reason: {}'
228
222
                    .format(self.properties["Name"], reason))
229
 
    
 
223
 
230
224
    def selectable(self):
231
225
        """Make this a "selectable" widget.
232
226
        This overrides the method from urwid.FlowWidget."""
233
227
        return True
234
 
    
 
228
 
235
229
    def rows(self, maxcolrow, focus=False):
236
230
        """How many rows this widget will occupy might depend on
237
231
        whether we have focus or not.
238
232
        This overrides the method from urwid.FlowWidget"""
239
233
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
240
 
    
 
234
 
241
235
    def current_widget(self, focus=False):
242
236
        if focus or self.opened:
243
237
            return self._focus_widget
244
238
        return self._widget
245
 
    
 
239
 
246
240
    def update(self):
247
241
        "Called when what is visible on the screen should be updated."
248
242
        # How to add standout mode to a style
249
 
        with_standout = { "normal": "standout",
250
 
                          "bold": "bold-standout",
251
 
                          "underline-blink":
252
 
                              "underline-blink-standout",
253
 
                          "bold-underline-blink":
254
 
                              "bold-underline-blink-standout",
255
 
                          }
256
 
        
 
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
 
257
251
        # Rebuild focus and non-focus widgets using current properties
258
 
        
 
252
 
259
253
        # Base part of a client. Name!
260
254
        base = '{name}: '.format(name=self.properties["Name"])
261
255
        if not self.properties["Enabled"]:
262
256
            message = "DISABLED"
263
257
            self.using_timer(False)
264
258
        elif self.properties["ApprovalPending"]:
265
 
            timeout = datetime.timedelta(milliseconds
266
 
                                         = self.properties
267
 
                                         ["ApprovalDelay"])
 
259
            timeout = datetime.timedelta(
 
260
                milliseconds=self.properties["ApprovalDelay"])
268
261
            last_approval_request = isoformat_to_datetime(
269
262
                self.properties["LastApprovalRequest"])
270
263
            if last_approval_request is not None:
274
267
            else:
275
268
                timer = datetime.timedelta()
276
269
            if self.properties["ApprovedByDefault"]:
277
 
                message = "Approval in {0}. (d)eny?"
 
270
                message = "Approval in {}. (d)eny?"
278
271
            else:
279
 
                message = "Denial in {0}. (a)pprove?"
 
272
                message = "Denial in {}. (a)pprove?"
280
273
            message = message.format(str(timer).rsplit(".", 1)[0])
281
274
            self.using_timer(True)
282
275
        elif self.properties["LastCheckerStatus"] != 0:
290
283
                timer = max(expires - datetime.datetime.utcnow(),
291
284
                            datetime.timedelta())
292
285
            message = ('A checker has failed! Time until client'
293
 
                       ' gets disabled: {0}'
 
286
                       ' gets disabled: {}'
294
287
                       .format(str(timer).rsplit(".", 1)[0]))
295
288
            self.using_timer(True)
296
289
        else:
297
290
            message = "enabled"
298
291
            self.using_timer(False)
299
 
        self._text = "{0}{1}".format(base, message)
300
 
        
 
292
        self._text = "{}{}".format(base, message)
 
293
 
301
294
        if not urwid.supports_unicode():
302
295
            self._text = self._text.encode("ascii", "replace")
303
296
        textlist = [("normal", self._text)]
313
306
        # Run update hook, if any
314
307
        if self.update_hook is not None:
315
308
            self.update_hook()
316
 
    
 
309
 
317
310
    def update_timer(self):
318
 
        """called by gobject. Will indefinitely loop until
319
 
        gobject.source_remove() on tag is called"""
 
311
        """called by GLib. Will indefinitely loop until
 
312
        GLib.source_remove() on tag is called
 
313
        """
320
314
        self.update()
321
315
        return True             # Keep calling this
322
 
    
 
316
 
323
317
    def delete(self, **kwargs):
324
318
        if self._update_timer_callback_tag is not None:
325
 
            gobject.source_remove(self._update_timer_callback_tag)
 
319
            GLib.source_remove(self._update_timer_callback_tag)
326
320
            self._update_timer_callback_tag = None
327
321
        for match in self.match_objects:
328
322
            match.remove()
330
324
        if self.delete_hook is not None:
331
325
            self.delete_hook(self)
332
326
        return super(MandosClientWidget, self).delete(**kwargs)
333
 
    
 
327
 
334
328
    def render(self, maxcolrow, focus=False):
335
329
        """Render differently if we have focus.
336
330
        This overrides the method from urwid.FlowWidget"""
337
331
        return self.current_widget(focus).render(maxcolrow,
338
332
                                                 focus=focus)
339
 
    
 
333
 
340
334
    def keypress(self, maxcolrow, key):
341
335
        """Handle keys.
342
336
        This overrides the method from urwid.FlowWidget"""
343
337
        if key == "+":
344
 
            self.proxy.Enable(dbus_interface = client_interface,
345
 
                              ignore_reply=True)
 
338
            self.proxy.Set(client_interface, "Enabled",
 
339
                           dbus.Boolean(True), ignore_reply=True,
 
340
                           dbus_interface=dbus.PROPERTIES_IFACE)
346
341
        elif key == "-":
347
 
            self.proxy.Disable(dbus_interface = client_interface,
348
 
                               ignore_reply=True)
 
342
            self.proxy.Set(client_interface, "Enabled", False,
 
343
                           ignore_reply=True,
 
344
                           dbus_interface=dbus.PROPERTIES_IFACE)
349
345
        elif key == "a":
350
346
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
351
 
                               dbus_interface = client_interface,
 
347
                               dbus_interface=client_interface,
352
348
                               ignore_reply=True)
353
349
        elif key == "d":
354
350
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
355
 
                                  dbus_interface = client_interface,
 
351
                               dbus_interface=client_interface,
356
352
                               ignore_reply=True)
357
353
        elif key == "R" or key == "_" or key == "ctrl k":
358
354
            self.server_proxy_object.RemoveClient(self.proxy
359
355
                                                  .object_path,
360
356
                                                  ignore_reply=True)
361
357
        elif key == "s":
362
 
            self.proxy.StartChecker(dbus_interface = client_interface,
363
 
                                    ignore_reply=True)
 
358
            self.proxy.Set(client_interface, "CheckerRunning",
 
359
                           dbus.Boolean(True), ignore_reply=True,
 
360
                           dbus_interface=dbus.PROPERTIES_IFACE)
364
361
        elif key == "S":
365
 
            self.proxy.StopChecker(dbus_interface = client_interface,
366
 
                                   ignore_reply=True)
 
362
            self.proxy.Set(client_interface, "CheckerRunning",
 
363
                           dbus.Boolean(False), ignore_reply=True,
 
364
                           dbus_interface=dbus.PROPERTIES_IFACE)
367
365
        elif key == "C":
368
 
            self.proxy.CheckedOK(dbus_interface = client_interface,
 
366
            self.proxy.CheckedOK(dbus_interface=client_interface,
369
367
                                 ignore_reply=True)
370
368
        # xxx
371
369
#         elif key == "p" or key == "=":
376
374
#             self.open()
377
375
        else:
378
376
            return key
379
 
    
380
 
    def property_changed(self, property=None, **kwargs):
381
 
        """Call self.update() if old value is not new value.
 
377
 
 
378
    def properties_changed(self, interface, properties, invalidated):
 
379
        """Call self.update() if any properties changed.
382
380
        This overrides the method from MandosClientPropertyCache"""
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
        old_values = {key: self.properties.get(key)
 
382
                      for key in properties.keys()}
 
383
        super(MandosClientWidget, self).properties_changed(
 
384
            interface, properties, invalidated)
 
385
        if any(old_values[key] != self.properties.get(key)
 
386
               for key in old_values):
388
387
            self.update()
389
388
 
390
389
 
394
393
    use them as an excuse to shift focus away from this widget.
395
394
    """
396
395
    def keypress(self, *args, **kwargs):
397
 
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
 
396
        ret = (super(ConstrainedListBox, self)
 
397
               .keypress(*args, **kwargs))
398
398
        if ret in ("up", "down"):
399
399
            return
400
400
        return ret
406
406
    """
407
407
    def __init__(self, max_log_length=1000, log_level=1):
408
408
        DBusGMainLoop(set_as_default=True)
409
 
        
 
409
 
410
410
        self.screen = urwid.curses_display.Screen()
411
 
        
 
411
 
412
412
        self.screen.register_palette((
413
413
                ("normal",
414
414
                 "default", "default", None),
419
419
                ("standout",
420
420
                 "standout", "default", "standout"),
421
421
                ("bold-underline-blink",
422
 
                 "bold,underline,blink", "default", "bold,underline,blink"),
 
422
                 "bold,underline,blink", "default",
 
423
                 "bold,underline,blink"),
423
424
                ("bold-standout",
424
425
                 "bold,standout", "default", "bold,standout"),
425
426
                ("underline-blink-standout",
429
430
                 "bold,underline,blink,standout", "default",
430
431
                 "bold,underline,blink,standout"),
431
432
                ))
432
 
        
 
433
 
433
434
        if urwid.supports_unicode():
434
 
            self.divider = "─" # \u2500
435
 
            #self.divider = "━" # \u2501
 
435
            self.divider = "─"  # \u2500
436
436
        else:
437
 
            #self.divider = "-" # \u002d
438
 
            self.divider = "_" # \u005f
439
 
        
 
437
            self.divider = "_"  # \u005f
 
438
 
440
439
        self.screen.start()
441
 
        
 
440
 
442
441
        self.size = self.screen.get_cols_rows()
443
 
        
 
442
 
444
443
        self.clients = urwid.SimpleListWalker([])
445
444
        self.clients_dict = {}
446
 
        
 
445
 
447
446
        # We will add Text widgets to this list
448
 
        self.log = []
 
447
        self.log = urwid.SimpleListWalker([])
449
448
        self.max_log_length = max_log_length
450
 
        
 
449
 
451
450
        self.log_level = log_level
452
 
        
 
451
 
453
452
        # We keep a reference to the log widget so we can remove it
454
453
        # from the ListWalker without it getting destroyed
455
454
        self.logbox = ConstrainedListBox(self.log)
456
 
        
 
455
 
457
456
        # This keeps track of whether self.uilist currently has
458
457
        # self.logbox in it or not
459
458
        self.log_visible = True
460
459
        self.log_wrap = "any"
461
 
        
 
460
 
462
461
        self.rebuild()
463
462
        self.log_message_raw(("bold",
464
463
                              "Mandos Monitor version " + version))
465
464
        self.log_message_raw(("bold",
466
465
                              "q: Quit  ?: Help"))
467
 
        
 
466
 
468
467
        self.busname = domain + '.Mandos'
469
 
        self.main_loop = gobject.MainLoop()
470
 
    
471
 
    def client_not_found(self, fingerprint, address):
472
 
        self.log_message("Client with address {0} and fingerprint"
473
 
                         " {1} could not be found"
474
 
                         .format(address, fingerprint))
475
 
    
 
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
 
476
474
    def rebuild(self):
477
475
        """This rebuilds the User Interface.
478
476
        Call this when the widget layout needs to change"""
479
477
        self.uilist = []
480
 
        #self.uilist.append(urwid.ListBox(self.clients))
 
478
        # self.uilist.append(urwid.ListBox(self.clients))
481
479
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
482
480
                                                          clients),
483
 
                                       #header=urwid.Divider(),
 
481
                                       # header=urwid.Divider(),
484
482
                                       header=None,
485
 
                                       footer=
486
 
                                       urwid.Divider(div_char=
487
 
                                                     self.divider)))
 
483
                                       footer=urwid.Divider(
 
484
                                           div_char=self.divider)))
488
485
        if self.log_visible:
489
486
            self.uilist.append(self.logbox)
490
487
        self.topwidget = urwid.Pile(self.uilist)
491
 
    
 
488
 
492
489
    def log_message(self, message, level=1):
493
490
        """Log message formatted with timestamp"""
494
491
        if level < self.log_level:
495
492
            return
496
493
        timestamp = datetime.datetime.now().isoformat()
497
 
        self.log_message_raw("{0}: {1}".format(timestamp, message),
 
494
        self.log_message_raw("{}: {}".format(timestamp, message),
498
495
                             level=level)
499
 
    
 
496
 
500
497
    def log_message_raw(self, markup, level=1):
501
498
        """Add a log message to the log buffer."""
502
499
        if level < self.log_level:
503
500
            return
504
501
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
505
 
        if (self.max_log_length
506
 
            and len(self.log) > self.max_log_length):
507
 
            del self.log[0:len(self.log)-self.max_log_length-1]
508
 
        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,
509
506
                              coming_from="above")
510
507
        self.refresh()
511
 
    
 
508
 
512
509
    def toggle_log_display(self):
513
510
        """Toggle visibility of the log buffer."""
514
511
        self.log_visible = not self.log_visible
515
512
        self.rebuild()
516
 
        self.log_message("Log visibility changed to: {0}"
 
513
        self.log_message("Log visibility changed to: {}"
517
514
                         .format(self.log_visible), level=0)
518
 
    
 
515
 
519
516
    def change_log_display(self):
520
517
        """Change type of log display.
521
518
        Currently, this toggles wrapping of text lines."""
525
522
            self.log_wrap = "clip"
526
523
        for textwidget in self.log:
527
524
            textwidget.set_wrap_mode(self.log_wrap)
528
 
        self.log_message("Wrap mode: {0}".format(self.log_wrap),
 
525
        self.log_message("Wrap mode: {}".format(self.log_wrap),
529
526
                         level=0)
530
 
    
531
 
    def find_and_remove_client(self, path, name):
 
527
 
 
528
    def find_and_remove_client(self, path, interfaces):
532
529
        """Find a client by its object path and remove it.
533
 
        
534
 
        This is connected to the ClientRemoved signal from the
 
530
 
 
531
        This is connected to the InterfacesRemoved signal from the
535
532
        Mandos server object."""
 
533
        if client_interface not in interfaces:
 
534
            # Not a Mandos client object; ignore
 
535
            return
536
536
        try:
537
537
            client = self.clients_dict[path]
538
538
        except KeyError:
539
539
            # not found?
540
 
            self.log_message("Unknown client {0!r} ({1!r}) removed"
541
 
                             .format(name, path))
 
540
            self.log_message("Unknown client {!r} removed"
 
541
                             .format(path))
542
542
            return
543
543
        client.delete()
544
 
    
545
 
    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
546
554
        client_proxy_object = self.bus.get_object(self.busname, path)
547
 
        self.add_client(MandosClientWidget(server_proxy_object
548
 
                                           =self.mandos_serv,
549
 
                                           proxy_object
550
 
                                           =client_proxy_object,
551
 
                                           update_hook
552
 
                                           =self.refresh,
553
 
                                           delete_hook
554
 
                                           =self.remove_client,
555
 
                                           logger
556
 
                                           =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])),
557
562
                        path=path)
558
 
    
 
563
 
559
564
    def add_client(self, client, path=None):
560
565
        self.clients.append(client)
561
566
        if path is None:
563
568
        self.clients_dict[path] = client
564
569
        self.clients.sort(key=lambda c: c.properties["Name"])
565
570
        self.refresh()
566
 
    
 
571
 
567
572
    def remove_client(self, client, path=None):
568
573
        self.clients.remove(client)
569
574
        if path is None:
570
575
            path = client.proxy.object_path
571
576
        del self.clients_dict[path]
572
577
        self.refresh()
573
 
    
 
578
 
574
579
    def refresh(self):
575
580
        """Redraw the screen"""
576
581
        canvas = self.topwidget.render(self.size, focus=True)
577
582
        self.screen.draw_screen(self.size, canvas)
578
 
    
 
583
 
579
584
    def run(self):
580
585
        """Start the main loop and exit when it's done."""
581
586
        self.bus = dbus.SystemBus()
582
587
        mandos_dbus_objc = self.bus.get_object(
583
588
            self.busname, "/", follow_name_owner_changes=True)
584
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
585
 
                                          dbus_interface
586
 
                                          = server_interface)
 
589
        self.mandos_serv = dbus.Interface(
 
590
            mandos_dbus_objc, dbus_interface=server_interface)
587
591
        try:
588
592
            mandos_clients = (self.mandos_serv
589
593
                              .GetAllClientsWithProperties())
590
594
            if not mandos_clients:
591
 
                self.log_message_raw(("bold", "Note: Server has no clients."))
 
595
                self.log_message_raw(("bold",
 
596
                                      "Note: Server has no clients."))
592
597
        except dbus.exceptions.DBusException:
593
 
            self.log_message_raw(("bold", "Note: No Mandos server running."))
 
598
            self.log_message_raw(("bold",
 
599
                                  "Note: No Mandos server running."))
594
600
            mandos_clients = dbus.Dictionary()
595
 
        
 
601
 
596
602
        (self.mandos_serv
597
 
         .connect_to_signal("ClientRemoved",
 
603
         .connect_to_signal("InterfacesRemoved",
598
604
                            self.find_and_remove_client,
599
 
                            dbus_interface=server_interface,
 
605
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
600
606
                            byte_arrays=True))
601
607
        (self.mandos_serv
602
 
         .connect_to_signal("ClientAdded",
 
608
         .connect_to_signal("InterfacesAdded",
603
609
                            self.add_new_client,
604
 
                            dbus_interface=server_interface,
 
610
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
605
611
                            byte_arrays=True))
606
612
        (self.mandos_serv
607
613
         .connect_to_signal("ClientNotFound",
611
617
        for path, client in mandos_clients.items():
612
618
            client_proxy_object = self.bus.get_object(self.busname,
613
619
                                                      path)
614
 
            self.add_client(MandosClientWidget(server_proxy_object
615
 
                                               =self.mandos_serv,
616
 
                                               proxy_object
617
 
                                               =client_proxy_object,
618
 
                                               properties=client,
619
 
                                               update_hook
620
 
                                               =self.refresh,
621
 
                                               delete_hook
622
 
                                               =self.remove_client,
623
 
                                               logger
624
 
                                               =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),
625
627
                            path=path)
626
 
        
 
628
 
627
629
        self.refresh()
628
 
        self._input_callback_tag = (gobject.io_add_watch
629
 
                                    (sys.stdin.fileno(),
630
 
                                     gobject.IO_IN,
631
 
                                     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))
632
635
        self.main_loop.run()
633
636
        # Main loop has finished, we should close everything now
634
 
        gobject.source_remove(self._input_callback_tag)
635
 
        self.screen.stop()
636
 
    
 
637
        GLib.source_remove(self._input_callback_tag)
 
638
        with warnings.catch_warnings():
 
639
            warnings.simplefilter("ignore", BytesWarning)
 
640
            self.screen.stop()
 
641
 
637
642
    def stop(self):
638
643
        self.main_loop.quit()
639
 
    
 
644
 
640
645
    def process_input(self, source, condition):
641
646
        keys = self.screen.get_input()
642
 
        translations = { "ctrl n": "down",      # Emacs
643
 
                         "ctrl p": "up",        # Emacs
644
 
                         "ctrl v": "page down", # Emacs
645
 
                         "meta v": "page up",   # Emacs
646
 
                         " ": "page down",      # less
647
 
                         "f": "page down",      # less
648
 
                         "b": "page up",        # less
649
 
                         "j": "down",           # vi
650
 
                         "k": "up",             # vi
651
 
                         }
 
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
                        }
652
657
        for key in keys:
653
658
            try:
654
659
                key = translations[key]
655
660
            except KeyError:    # :-)
656
661
                pass
657
 
            
 
662
 
658
663
            if key == "q" or key == "Q":
659
664
                self.stop()
660
665
                break
708
713
                else:
709
714
                    self.log_level = 0
710
715
                    self.log_message("Verbose mode: On")
711
 
            #elif (key == "end" or key == "meta >" or key == "G"
712
 
            #      or key == ">"):
713
 
            #    pass            # xxx end-of-buffer
714
 
            #elif (key == "home" or key == "meta <" or key == "g"
715
 
            #      or key == "<"):
716
 
            #    pass            # xxx beginning-of-buffer
717
 
            #elif key == "ctrl e" or key == "$":
718
 
            #    pass            # xxx move-end-of-line
719
 
            #elif key == "ctrl a" or key == "^":
720
 
            #    pass            # xxx move-beginning-of-line
721
 
            #elif key == "ctrl b" or key == "meta (" or key == "h":
722
 
            #    pass            # xxx left
723
 
            #elif key == "ctrl f" or key == "meta )" or key == "l":
724
 
            #    pass            # xxx right
725
 
            #elif key == "a":
726
 
            #    pass            # scroll up log
727
 
            #elif key == "z":
728
 
            #    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
729
734
            elif self.topwidget.selectable():
730
735
                self.topwidget.keypress(self.size, key)
731
736
                self.refresh()
732
737
        return True
733
738
 
 
739
 
734
740
ui = UserInterface()
735
741
try:
736
742
    ui.run()