/mandos/trunk

To get this branch, use:
bzr branch http://bzr.recompile.se/loggerhead/mandos/trunk

« back to all changes in this revision

Viewing changes to mandos-monitor

  • 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.

Show diffs side-by-side

added added

removed removed

Lines of Context:
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 = "1.6.4"
 
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}'
165
 
        #            .format(self.properties["Name"]))
166
 
    
 
166
        self.logger('Created client {}'
 
167
                    .format(self.properties["Name"]), level=0)
 
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:
 
184
            self.logger('Checker for client {} (command "{}")'
 
185
                        ' succeeded'.format(self.properties["Name"],
 
186
                                            command), level=0)
182
187
            self.update()
183
188
            return
184
189
        # Checker failed
185
190
        if os.WIFEXITED(condition):
186
 
            self.logger('Checker for client {0} (command "{1}")'
187
 
                        ' failed with exit code {2}'
 
191
            self.logger('Checker for client {} (command "{}") failed'
 
192
                        ' with exit code {}'
188
193
                        .format(self.properties["Name"], command,
189
194
                                os.WEXITSTATUS(condition)))
190
195
        elif os.WIFSIGNALED(condition):
191
 
            self.logger('Checker for client {0} (command "{1}") was'
192
 
                        ' killed by signal {2}'
 
196
            self.logger('Checker for client {} (command "{}") was'
 
197
                        ' killed by signal {}'
193
198
                        .format(self.properties["Name"], command,
194
199
                                os.WTERMSIG(condition)))
195
 
        elif os.WCOREDUMP(condition):
196
 
            self.logger('Checker for client {0} (command "{1}")'
197
 
                        ' dumped core'
198
 
                        .format(self.properties["Name"], command))
199
 
        else:
200
 
            self.logger('Checker for client {0} completed'
201
 
                        ' mysteriously'
202
 
                        .format(self.properties["Name"]))
203
200
        self.update()
204
 
    
 
201
 
205
202
    def checker_started(self, command):
206
 
        """Server signals that a checker started. This could be useful
207
 
           to log in the future. """
208
 
        #self.logger('Client {0} started checker "{1}"'
209
 
        #            .format(self.properties["Name"],
210
 
        #                    str(command)))
211
 
        pass
212
 
    
 
203
        """Server signals that a checker started."""
 
204
        self.logger('Client {} started checker "{}"'
 
205
                    .format(self.properties["Name"],
 
206
                            command), level=0)
 
207
 
213
208
    def got_secret(self):
214
 
        self.logger('Client {0} received its secret'
 
209
        self.logger('Client {} received its secret'
215
210
                    .format(self.properties["Name"]))
216
 
    
 
211
 
217
212
    def need_approval(self, timeout, default):
218
213
        if not default:
219
 
            message = 'Client {0} needs approval within {1} seconds'
 
214
            message = 'Client {} needs approval within {} seconds'
220
215
        else:
221
 
            message = 'Client {0} will get its secret in {1} seconds'
 
216
            message = 'Client {} will get its secret in {} seconds'
222
217
        self.logger(message.format(self.properties["Name"],
223
218
                                   timeout/1000))
224
 
    
 
219
 
225
220
    def rejected(self, reason):
226
 
        self.logger('Client {0} was rejected; reason: {1}'
 
221
        self.logger('Client {} was rejected; reason: {}'
227
222
                    .format(self.properties["Name"], reason))
228
 
    
 
223
 
229
224
    def selectable(self):
230
225
        """Make this a "selectable" widget.
231
226
        This overrides the method from urwid.FlowWidget."""
232
227
        return True
233
 
    
 
228
 
234
229
    def rows(self, maxcolrow, focus=False):
235
230
        """How many rows this widget will occupy might depend on
236
231
        whether we have focus or not.
237
232
        This overrides the method from urwid.FlowWidget"""
238
233
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
239
 
    
 
234
 
240
235
    def current_widget(self, focus=False):
241
236
        if focus or self.opened:
242
237
            return self._focus_widget
243
238
        return self._widget
244
 
    
 
239
 
245
240
    def update(self):
246
241
        "Called when what is visible on the screen should be updated."
247
242
        # How to add standout mode to a style
248
 
        with_standout = { "normal": "standout",
249
 
                          "bold": "bold-standout",
250
 
                          "underline-blink":
251
 
                              "underline-blink-standout",
252
 
                          "bold-underline-blink":
253
 
                              "bold-underline-blink-standout",
254
 
                          }
255
 
        
 
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
 
256
251
        # Rebuild focus and non-focus widgets using current properties
257
 
        
 
252
 
258
253
        # Base part of a client. Name!
259
254
        base = '{name}: '.format(name=self.properties["Name"])
260
255
        if not self.properties["Enabled"]:
261
256
            message = "DISABLED"
262
257
            self.using_timer(False)
263
258
        elif self.properties["ApprovalPending"]:
264
 
            timeout = datetime.timedelta(milliseconds
265
 
                                         = self.properties
266
 
                                         ["ApprovalDelay"])
 
259
            timeout = datetime.timedelta(
 
260
                milliseconds=self.properties["ApprovalDelay"])
267
261
            last_approval_request = isoformat_to_datetime(
268
262
                self.properties["LastApprovalRequest"])
269
263
            if last_approval_request is not None:
273
267
            else:
274
268
                timer = datetime.timedelta()
275
269
            if self.properties["ApprovedByDefault"]:
276
 
                message = "Approval in {0}. (d)eny?"
 
270
                message = "Approval in {}. (d)eny?"
277
271
            else:
278
 
                message = "Denial in {0}. (a)pprove?"
 
272
                message = "Denial in {}. (a)pprove?"
279
273
            message = message.format(str(timer).rsplit(".", 1)[0])
280
274
            self.using_timer(True)
281
275
        elif self.properties["LastCheckerStatus"] != 0:
289
283
                timer = max(expires - datetime.datetime.utcnow(),
290
284
                            datetime.timedelta())
291
285
            message = ('A checker has failed! Time until client'
292
 
                       ' gets disabled: {0}'
 
286
                       ' gets disabled: {}'
293
287
                       .format(str(timer).rsplit(".", 1)[0]))
294
288
            self.using_timer(True)
295
289
        else:
296
290
            message = "enabled"
297
291
            self.using_timer(False)
298
 
        self._text = "{0}{1}".format(base, message)
299
 
        
 
292
        self._text = "{}{}".format(base, message)
 
293
 
300
294
        if not urwid.supports_unicode():
301
295
            self._text = self._text.encode("ascii", "replace")
302
296
        textlist = [("normal", self._text)]
312
306
        # Run update hook, if any
313
307
        if self.update_hook is not None:
314
308
            self.update_hook()
315
 
    
 
309
 
316
310
    def update_timer(self):
317
 
        """called by gobject. Will indefinitely loop until
318
 
        gobject.source_remove() on tag is called"""
 
311
        """called by GLib. Will indefinitely loop until
 
312
        GLib.source_remove() on tag is called
 
313
        """
319
314
        self.update()
320
315
        return True             # Keep calling this
321
 
    
 
316
 
322
317
    def delete(self, **kwargs):
323
318
        if self._update_timer_callback_tag is not None:
324
 
            gobject.source_remove(self._update_timer_callback_tag)
 
319
            GLib.source_remove(self._update_timer_callback_tag)
325
320
            self._update_timer_callback_tag = None
326
321
        for match in self.match_objects:
327
322
            match.remove()
329
324
        if self.delete_hook is not None:
330
325
            self.delete_hook(self)
331
326
        return super(MandosClientWidget, self).delete(**kwargs)
332
 
    
 
327
 
333
328
    def render(self, maxcolrow, focus=False):
334
329
        """Render differently if we have focus.
335
330
        This overrides the method from urwid.FlowWidget"""
336
331
        return self.current_widget(focus).render(maxcolrow,
337
332
                                                 focus=focus)
338
 
    
 
333
 
339
334
    def keypress(self, maxcolrow, key):
340
335
        """Handle keys.
341
336
        This overrides the method from urwid.FlowWidget"""
342
337
        if key == "+":
343
 
            self.proxy.Enable(dbus_interface = client_interface,
344
 
                              ignore_reply=True)
 
338
            self.proxy.Set(client_interface, "Enabled",
 
339
                           dbus.Boolean(True), ignore_reply=True,
 
340
                           dbus_interface=dbus.PROPERTIES_IFACE)
345
341
        elif key == "-":
346
 
            self.proxy.Disable(dbus_interface = client_interface,
347
 
                               ignore_reply=True)
 
342
            self.proxy.Set(client_interface, "Enabled", False,
 
343
                           ignore_reply=True,
 
344
                           dbus_interface=dbus.PROPERTIES_IFACE)
348
345
        elif key == "a":
349
346
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
350
 
                               dbus_interface = client_interface,
 
347
                               dbus_interface=client_interface,
351
348
                               ignore_reply=True)
352
349
        elif key == "d":
353
350
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
354
 
                                  dbus_interface = client_interface,
 
351
                               dbus_interface=client_interface,
355
352
                               ignore_reply=True)
356
353
        elif key == "R" or key == "_" or key == "ctrl k":
357
354
            self.server_proxy_object.RemoveClient(self.proxy
358
355
                                                  .object_path,
359
356
                                                  ignore_reply=True)
360
357
        elif key == "s":
361
 
            self.proxy.StartChecker(dbus_interface = client_interface,
362
 
                                    ignore_reply=True)
 
358
            self.proxy.Set(client_interface, "CheckerRunning",
 
359
                           dbus.Boolean(True), ignore_reply=True,
 
360
                           dbus_interface=dbus.PROPERTIES_IFACE)
363
361
        elif key == "S":
364
 
            self.proxy.StopChecker(dbus_interface = client_interface,
365
 
                                   ignore_reply=True)
 
362
            self.proxy.Set(client_interface, "CheckerRunning",
 
363
                           dbus.Boolean(False), ignore_reply=True,
 
364
                           dbus_interface=dbus.PROPERTIES_IFACE)
366
365
        elif key == "C":
367
 
            self.proxy.CheckedOK(dbus_interface = client_interface,
 
366
            self.proxy.CheckedOK(dbus_interface=client_interface,
368
367
                                 ignore_reply=True)
369
368
        # xxx
370
369
#         elif key == "p" or key == "=":
375
374
#             self.open()
376
375
        else:
377
376
            return key
378
 
    
379
 
    def property_changed(self, property=None, **kwargs):
380
 
        """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.
381
380
        This overrides the method from MandosClientPropertyCache"""
382
 
        property_name = str(property)
383
 
        old_value = self.properties.get(property_name)
384
 
        super(MandosClientWidget, self).property_changed(
385
 
            property=property, **kwargs)
386
 
        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):
387
387
            self.update()
388
388
 
389
389
 
393
393
    use them as an excuse to shift focus away from this widget.
394
394
    """
395
395
    def keypress(self, *args, **kwargs):
396
 
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
 
396
        ret = (super(ConstrainedListBox, self)
 
397
               .keypress(*args, **kwargs))
397
398
        if ret in ("up", "down"):
398
399
            return
399
400
        return ret
403
404
    """This is the entire user interface - the whole screen
404
405
    with boxes, lists of client widgets, etc.
405
406
    """
406
 
    def __init__(self, max_log_length=1000):
 
407
    def __init__(self, max_log_length=1000, log_level=1):
407
408
        DBusGMainLoop(set_as_default=True)
408
 
        
 
409
 
409
410
        self.screen = urwid.curses_display.Screen()
410
 
        
 
411
 
411
412
        self.screen.register_palette((
412
413
                ("normal",
413
414
                 "default", "default", None),
418
419
                ("standout",
419
420
                 "standout", "default", "standout"),
420
421
                ("bold-underline-blink",
421
 
                 "bold,underline,blink", "default", "bold,underline,blink"),
 
422
                 "bold,underline,blink", "default",
 
423
                 "bold,underline,blink"),
422
424
                ("bold-standout",
423
425
                 "bold,standout", "default", "bold,standout"),
424
426
                ("underline-blink-standout",
428
430
                 "bold,underline,blink,standout", "default",
429
431
                 "bold,underline,blink,standout"),
430
432
                ))
431
 
        
 
433
 
432
434
        if urwid.supports_unicode():
433
 
            self.divider = "─" # \u2500
434
 
            #self.divider = "━" # \u2501
 
435
            self.divider = "─"  # \u2500
435
436
        else:
436
 
            #self.divider = "-" # \u002d
437
 
            self.divider = "_" # \u005f
438
 
        
 
437
            self.divider = "_"  # \u005f
 
438
 
439
439
        self.screen.start()
440
 
        
 
440
 
441
441
        self.size = self.screen.get_cols_rows()
442
 
        
 
442
 
443
443
        self.clients = urwid.SimpleListWalker([])
444
444
        self.clients_dict = {}
445
 
        
 
445
 
446
446
        # We will add Text widgets to this list
447
 
        self.log = []
 
447
        self.log = urwid.SimpleListWalker([])
448
448
        self.max_log_length = max_log_length
449
 
        
 
449
 
 
450
        self.log_level = log_level
 
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 {0} and fingerprint"
470
 
                         " {1} 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
 
    
489
 
    def log_message(self, message):
 
488
 
 
489
    def log_message(self, message, level=1):
490
490
        """Log message formatted with timestamp"""
 
491
        if level < self.log_level:
 
492
            return
491
493
        timestamp = datetime.datetime.now().isoformat()
492
 
        self.log_message_raw(timestamp + ": " + message)
493
 
    
494
 
    def log_message_raw(self, markup):
 
494
        self.log_message_raw("{}: {}".format(timestamp, message),
 
495
                             level=level)
 
496
 
 
497
    def log_message_raw(self, markup, level=1):
495
498
        """Add a log message to the log buffer."""
 
499
        if level < self.log_level:
 
500
            return
496
501
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
497
 
        if (self.max_log_length
498
 
            and len(self.log) > self.max_log_length):
499
 
            del self.log[0:len(self.log)-self.max_log_length-1]
500
 
        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,
501
506
                              coming_from="above")
502
507
        self.refresh()
503
 
    
 
508
 
504
509
    def toggle_log_display(self):
505
510
        """Toggle visibility of the log buffer."""
506
511
        self.log_visible = not self.log_visible
507
512
        self.rebuild()
508
 
        #self.log_message("Log visibility changed to: "
509
 
        #                 + str(self.log_visible))
510
 
    
 
513
        self.log_message("Log visibility changed to: {}"
 
514
                         .format(self.log_visible), level=0)
 
515
 
511
516
    def change_log_display(self):
512
517
        """Change type of log display.
513
518
        Currently, this toggles wrapping of text lines."""
517
522
            self.log_wrap = "clip"
518
523
        for textwidget in self.log:
519
524
            textwidget.set_wrap_mode(self.log_wrap)
520
 
        #self.log_message("Wrap mode: " + self.log_wrap)
521
 
    
522
 
    def find_and_remove_client(self, path, name):
 
525
        self.log_message("Wrap mode: {}".format(self.log_wrap),
 
526
                         level=0)
 
527
 
 
528
    def find_and_remove_client(self, path, interfaces):
523
529
        """Find a client by its object path and remove it.
524
 
        
525
 
        This is connected to the ClientRemoved signal from the
 
530
 
 
531
        This is connected to the InterfacesRemoved signal from the
526
532
        Mandos server object."""
 
533
        if client_interface not in interfaces:
 
534
            # Not a Mandos client object; ignore
 
535
            return
527
536
        try:
528
537
            client = self.clients_dict[path]
529
538
        except KeyError:
530
539
            # not found?
531
 
            self.log_message("Unknown client {0!r} ({1!r}) removed"
532
 
                             .format(name, path))
 
540
            self.log_message("Unknown client {!r} removed"
 
541
                             .format(path))
533
542
            return
534
543
        client.delete()
535
 
    
536
 
    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
537
554
        client_proxy_object = self.bus.get_object(self.busname, path)
538
 
        self.add_client(MandosClientWidget(server_proxy_object
539
 
                                           =self.mandos_serv,
540
 
                                           proxy_object
541
 
                                           =client_proxy_object,
542
 
                                           update_hook
543
 
                                           =self.refresh,
544
 
                                           delete_hook
545
 
                                           =self.remove_client,
546
 
                                           logger
547
 
                                           =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])),
548
562
                        path=path)
549
 
    
 
563
 
550
564
    def add_client(self, client, path=None):
551
565
        self.clients.append(client)
552
566
        if path is None:
554
568
        self.clients_dict[path] = client
555
569
        self.clients.sort(key=lambda c: c.properties["Name"])
556
570
        self.refresh()
557
 
    
 
571
 
558
572
    def remove_client(self, client, path=None):
559
573
        self.clients.remove(client)
560
574
        if path is None:
561
575
            path = client.proxy.object_path
562
576
        del self.clients_dict[path]
563
577
        self.refresh()
564
 
    
 
578
 
565
579
    def refresh(self):
566
580
        """Redraw the screen"""
567
581
        canvas = self.topwidget.render(self.size, focus=True)
568
582
        self.screen.draw_screen(self.size, canvas)
569
 
    
 
583
 
570
584
    def run(self):
571
585
        """Start the main loop and exit when it's done."""
572
586
        self.bus = dbus.SystemBus()
573
587
        mandos_dbus_objc = self.bus.get_object(
574
588
            self.busname, "/", follow_name_owner_changes=True)
575
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
576
 
                                          dbus_interface
577
 
                                          = server_interface)
 
589
        self.mandos_serv = dbus.Interface(
 
590
            mandos_dbus_objc, dbus_interface=server_interface)
578
591
        try:
579
592
            mandos_clients = (self.mandos_serv
580
593
                              .GetAllClientsWithProperties())
581
594
            if not mandos_clients:
582
 
                self.log_message_raw(("bold", "Note: Server has no clients."))
 
595
                self.log_message_raw(("bold",
 
596
                                      "Note: Server has no clients."))
583
597
        except dbus.exceptions.DBusException:
584
 
            self.log_message_raw(("bold", "Note: No Mandos server running."))
 
598
            self.log_message_raw(("bold",
 
599
                                  "Note: No Mandos server running."))
585
600
            mandos_clients = dbus.Dictionary()
586
 
        
 
601
 
587
602
        (self.mandos_serv
588
 
         .connect_to_signal("ClientRemoved",
 
603
         .connect_to_signal("InterfacesRemoved",
589
604
                            self.find_and_remove_client,
590
 
                            dbus_interface=server_interface,
 
605
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
591
606
                            byte_arrays=True))
592
607
        (self.mandos_serv
593
 
         .connect_to_signal("ClientAdded",
 
608
         .connect_to_signal("InterfacesAdded",
594
609
                            self.add_new_client,
595
 
                            dbus_interface=server_interface,
 
610
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
596
611
                            byte_arrays=True))
597
612
        (self.mandos_serv
598
613
         .connect_to_signal("ClientNotFound",
602
617
        for path, client in mandos_clients.items():
603
618
            client_proxy_object = self.bus.get_object(self.busname,
604
619
                                                      path)
605
 
            self.add_client(MandosClientWidget(server_proxy_object
606
 
                                               =self.mandos_serv,
607
 
                                               proxy_object
608
 
                                               =client_proxy_object,
609
 
                                               properties=client,
610
 
                                               update_hook
611
 
                                               =self.refresh,
612
 
                                               delete_hook
613
 
                                               =self.remove_client,
614
 
                                               logger
615
 
                                               =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),
616
627
                            path=path)
617
 
        
 
628
 
618
629
        self.refresh()
619
 
        self._input_callback_tag = (gobject.io_add_watch
620
 
                                    (sys.stdin.fileno(),
621
 
                                     gobject.IO_IN,
622
 
                                     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))
623
635
        self.main_loop.run()
624
636
        # Main loop has finished, we should close everything now
625
 
        gobject.source_remove(self._input_callback_tag)
626
 
        self.screen.stop()
627
 
    
 
637
        GLib.source_remove(self._input_callback_tag)
 
638
        with warnings.catch_warnings():
 
639
            warnings.simplefilter("ignore", BytesWarning)
 
640
            self.screen.stop()
 
641
 
628
642
    def stop(self):
629
643
        self.main_loop.quit()
630
 
    
 
644
 
631
645
    def process_input(self, source, condition):
632
646
        keys = self.screen.get_input()
633
 
        translations = { "ctrl n": "down",      # Emacs
634
 
                         "ctrl p": "up",        # Emacs
635
 
                         "ctrl v": "page down", # Emacs
636
 
                         "meta v": "page up",   # Emacs
637
 
                         " ": "page down",      # less
638
 
                         "f": "page down",      # less
639
 
                         "b": "page up",        # less
640
 
                         "j": "down",           # vi
641
 
                         "k": "up",             # vi
642
 
                         }
 
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
                        }
643
657
        for key in keys:
644
658
            try:
645
659
                key = translations[key]
646
660
            except KeyError:    # :-)
647
661
                pass
648
 
            
 
662
 
649
663
            if key == "q" or key == "Q":
650
664
                self.stop()
651
665
                break
652
666
            elif key == "window resize":
653
667
                self.size = self.screen.get_cols_rows()
654
668
                self.refresh()
655
 
            elif key == "\f":  # Ctrl-L
 
669
            elif key == "ctrl l":
 
670
                self.screen.clear()
656
671
                self.refresh()
657
672
            elif key == "l" or key == "D":
658
673
                self.toggle_log_display()
670
685
                                            "?: Help",
671
686
                                            "l: Log window toggle",
672
687
                                            "TAB: Switch window",
673
 
                                            "w: Wrap (log)"))))
 
688
                                            "w: Wrap (log lines)",
 
689
                                            "v: Toggle verbose log",
 
690
                                            ))))
674
691
                self.log_message_raw(("bold",
675
692
                                      "  "
676
693
                                      .join(("Clients:",
689
706
                else:
690
707
                    self.topwidget.set_focus(self.logbox)
691
708
                self.refresh()
692
 
            #elif (key == "end" or key == "meta >" or key == "G"
693
 
            #      or key == ">"):
694
 
            #    pass            # xxx end-of-buffer
695
 
            #elif (key == "home" or key == "meta <" or key == "g"
696
 
            #      or key == "<"):
697
 
            #    pass            # xxx beginning-of-buffer
698
 
            #elif key == "ctrl e" or key == "$":
699
 
            #    pass            # xxx move-end-of-line
700
 
            #elif key == "ctrl a" or key == "^":
701
 
            #    pass            # xxx move-beginning-of-line
702
 
            #elif key == "ctrl b" or key == "meta (" or key == "h":
703
 
            #    pass            # xxx left
704
 
            #elif key == "ctrl f" or key == "meta )" or key == "l":
705
 
            #    pass            # xxx right
706
 
            #elif key == "a":
707
 
            #    pass            # scroll up log
708
 
            #elif key == "z":
709
 
            #    pass            # scroll down log
 
709
            elif key == "v":
 
710
                if self.log_level == 0:
 
711
                    self.log_level = 1
 
712
                    self.log_message("Verbose mode: Off")
 
713
                else:
 
714
                    self.log_level = 0
 
715
                    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
710
734
            elif self.topwidget.selectable():
711
735
                self.topwidget.keypress(self.size, key)
712
736
                self.refresh()
713
737
        return True
714
738
 
 
739
 
715
740
ui = UserInterface()
716
741
try:
717
742
    ui.run()