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  • Committer: Teddy Hogeborn
  • Date: 2013-10-28 20:08:32 UTC
  • Revision ID: teddy@recompile.se-20131028200832-80d1k8c5e8mugpkx
Syntax fix; use "raise" better in Mandos server.

* mandos: Syntax fix; use "raise" better in Mandos server; Always
          raise instances, not classes, skip argument when re-raising,
          etc.

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mandos-monitor
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1
#!/usr/bin/python
2
2
# -*- mode: python; coding: utf-8 -*-
3
 
#
 
3
# 
4
4
# Mandos Monitor - Control and monitor the Mandos server
5
 
#
6
 
# Copyright © 2009-2019 Teddy Hogeborn
7
 
# Copyright © 2009-2019 Björn Påhlsson
8
 
#
9
 
# This file is part of Mandos.
10
 
#
11
 
# Mandos is free software: you can redistribute it and/or modify it
12
 
# under the terms of the GNU General Public License as published by
 
5
# 
 
6
# Copyright © 2009-2013 Teddy Hogeborn
 
7
# Copyright © 2009-2013 Björn Påhlsson
 
8
# 
 
9
# This program is free software: you can redistribute it and/or modify
 
10
# it under the terms of the GNU General Public License as published by
13
11
# the Free Software Foundation, either version 3 of the License, or
14
12
# (at your option) any later version.
15
13
#
16
 
#     Mandos is distributed in the hope that it will be useful, but
17
 
#     WITHOUT ANY WARRANTY; without even the implied warranty of
 
14
#     This program is distributed in the hope that it will be useful,
 
15
#     but WITHOUT ANY WARRANTY; without even the implied warranty of
18
16
#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19
17
#     GNU General Public License for more details.
20
 
#
 
18
# 
21
19
# You should have received a copy of the GNU General Public License
22
 
# along with Mandos.  If not, see <http://www.gnu.org/licenses/>.
23
 
#
 
20
# along with this program.  If not, see
 
21
# <http://www.gnu.org/licenses/>.
 
22
# 
24
23
# Contact the authors at <mandos@recompile.se>.
25
 
#
 
24
# 
26
25
 
27
26
from __future__ import (division, absolute_import, print_function,
28
27
                        unicode_literals)
33
32
 
34
33
import sys
35
34
import os
 
35
import signal
36
36
 
37
37
import datetime
38
38
 
40
40
import urwid
41
41
 
42
42
from dbus.mainloop.glib import DBusGMainLoop
43
 
from gi.repository import GLib
 
43
try:
 
44
    import gobject
 
45
except ImportError:
 
46
    from gi.repository import GObject as gobject
44
47
 
45
48
import dbus
46
49
 
47
50
import locale
48
51
 
49
 
import logging
50
 
 
51
 
if sys.version_info.major == 2:
 
52
if sys.version_info[0] == 2:
52
53
    str = unicode
53
54
 
54
55
locale.setlocale(locale.LC_ALL, '')
55
56
 
 
57
import logging
56
58
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
57
59
 
58
60
# Some useful constants
59
61
domain = 'se.recompile'
60
62
server_interface = domain + '.Mandos'
61
63
client_interface = domain + '.Mandos.Client'
62
 
version = "1.8.7"
63
 
 
64
 
try:
65
 
    dbus.OBJECT_MANAGER_IFACE
66
 
except AttributeError:
67
 
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
68
 
 
 
64
version = "1.6.2"
69
65
 
70
66
def isoformat_to_datetime(iso):
71
67
    "Parse an ISO 8601 date string to a datetime.datetime()"
80
76
                             int(day),
81
77
                             int(hour),
82
78
                             int(minute),
83
 
                             int(second),            # Whole seconds
84
 
                             int(fraction*1000000))  # Microseconds
85
 
 
 
79
                             int(second),           # Whole seconds
 
80
                             int(fraction*1000000)) # Microseconds
86
81
 
87
82
class MandosClientPropertyCache(object):
88
83
    """This wraps a Mandos Client D-Bus proxy object, caches the
90
85
    changed.
91
86
    """
92
87
    def __init__(self, proxy_object=None, properties=None, **kwargs):
93
 
        self.proxy = proxy_object  # Mandos Client proxy object
 
88
        self.proxy = proxy_object # Mandos Client proxy object
94
89
        self.properties = dict() if properties is None else properties
95
90
        self.property_changed_match = (
96
 
            self.proxy.connect_to_signal("PropertiesChanged",
97
 
                                         self.properties_changed,
98
 
                                         dbus.PROPERTIES_IFACE,
 
91
            self.proxy.connect_to_signal("PropertyChanged",
 
92
                                         self._property_changed,
 
93
                                         client_interface,
99
94
                                         byte_arrays=True))
100
 
 
 
95
        
101
96
        if properties is None:
102
 
            self.properties.update(self.proxy.GetAll(
103
 
                client_interface,
104
 
                dbus_interface=dbus.PROPERTIES_IFACE))
105
 
 
 
97
            self.properties.update(
 
98
                self.proxy.GetAll(client_interface,
 
99
                                  dbus_interface
 
100
                                  = dbus.PROPERTIES_IFACE))
 
101
        
106
102
        super(MandosClientPropertyCache, self).__init__(**kwargs)
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.
 
103
    
 
104
    def _property_changed(self, property, value):
 
105
        """Helper which takes positional arguments"""
 
106
        return self.property_changed(property=property, value=value)
 
107
    
 
108
    def property_changed(self, property=None, value=None):
 
109
        """This is called whenever we get a PropertyChanged signal
 
110
        It updates the changed property in the "properties" dict.
111
111
        """
112
112
        # Update properties dict with new value
113
 
        if interface == client_interface:
114
 
            self.properties.update(properties)
115
 
 
 
113
        self.properties[property] = value
 
114
    
116
115
    def delete(self):
117
116
        self.property_changed_match.remove()
118
117
 
120
119
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
121
120
    """A Mandos Client which is visible on the screen.
122
121
    """
123
 
 
 
122
    
124
123
    def __init__(self, server_proxy_object=None, update_hook=None,
125
124
                 delete_hook=None, logger=None, **kwargs):
126
125
        # Called on update
131
130
        self.server_proxy_object = server_proxy_object
132
131
        # Logger
133
132
        self.logger = logger
134
 
 
 
133
        
135
134
        self._update_timer_callback_tag = None
136
 
 
 
135
        
137
136
        # The widget shown normally
138
137
        self._text_widget = urwid.Text("")
139
138
        # The widget shown when we have focus
141
140
        super(MandosClientWidget, self).__init__(**kwargs)
142
141
        self.update()
143
142
        self.opened = False
144
 
 
 
143
        
145
144
        self.match_objects = (
146
145
            self.proxy.connect_to_signal("CheckerCompleted",
147
146
                                         self.checker_completed,
163
162
                                         self.rejected,
164
163
                                         client_interface,
165
164
                                         byte_arrays=True))
166
 
        self.logger('Created client {}'
167
 
                    .format(self.properties["Name"]), level=0)
168
 
 
 
165
        #self.logger('Created client {0}'
 
166
        #            .format(self.properties["Name"]))
 
167
    
169
168
    def using_timer(self, flag):
170
169
        """Call this method with True or False when timer should be
171
170
        activated or deactivated.
172
171
        """
173
172
        if flag and self._update_timer_callback_tag is None:
174
173
            # Will update the shown timer value every second
175
 
            self._update_timer_callback_tag = (GLib.timeout_add
 
174
            self._update_timer_callback_tag = (gobject.timeout_add
176
175
                                               (1000,
177
176
                                                self.update_timer))
178
177
        elif not (flag or self._update_timer_callback_tag is None):
179
 
            GLib.source_remove(self._update_timer_callback_tag)
 
178
            gobject.source_remove(self._update_timer_callback_tag)
180
179
            self._update_timer_callback_tag = None
181
 
 
 
180
    
182
181
    def checker_completed(self, exitstatus, condition, command):
183
182
        if exitstatus == 0:
184
 
            self.logger('Checker for client {} (command "{}")'
185
 
                        ' succeeded'.format(self.properties["Name"],
186
 
                                            command), level=0)
187
183
            self.update()
188
184
            return
189
185
        # Checker failed
190
186
        if os.WIFEXITED(condition):
191
 
            self.logger('Checker for client {} (command "{}") failed'
192
 
                        ' with exit code {}'
 
187
            self.logger('Checker for client {0} (command "{1}")'
 
188
                        ' failed with exit code {2}'
193
189
                        .format(self.properties["Name"], command,
194
190
                                os.WEXITSTATUS(condition)))
195
191
        elif os.WIFSIGNALED(condition):
196
 
            self.logger('Checker for client {} (command "{}") was'
197
 
                        ' killed by signal {}'
 
192
            self.logger('Checker for client {0} (command "{1}") was'
 
193
                        ' killed by signal {2}'
198
194
                        .format(self.properties["Name"], command,
199
195
                                os.WTERMSIG(condition)))
 
196
        elif os.WCOREDUMP(condition):
 
197
            self.logger('Checker for client {0} (command "{1}")'
 
198
                        ' dumped core'
 
199
                        .format(self.properties["Name"], command))
 
200
        else:
 
201
            self.logger('Checker for client {0} completed'
 
202
                        ' mysteriously'
 
203
                        .format(self.properties["Name"]))
200
204
        self.update()
201
 
 
 
205
    
202
206
    def checker_started(self, command):
203
 
        """Server signals that a checker started."""
204
 
        self.logger('Client {} started checker "{}"'
205
 
                    .format(self.properties["Name"],
206
 
                            command), level=0)
207
 
 
 
207
        """Server signals that a checker started. This could be useful
 
208
           to log in the future. """
 
209
        #self.logger('Client {0} started checker "{1}"'
 
210
        #            .format(self.properties["Name"],
 
211
        #                    str(command)))
 
212
        pass
 
213
    
208
214
    def got_secret(self):
209
 
        self.logger('Client {} received its secret'
 
215
        self.logger('Client {0} received its secret'
210
216
                    .format(self.properties["Name"]))
211
 
 
 
217
    
212
218
    def need_approval(self, timeout, default):
213
219
        if not default:
214
 
            message = 'Client {} needs approval within {} seconds'
 
220
            message = 'Client {0} needs approval within {1} seconds'
215
221
        else:
216
 
            message = 'Client {} will get its secret in {} seconds'
 
222
            message = 'Client {0} will get its secret in {1} seconds'
217
223
        self.logger(message.format(self.properties["Name"],
218
224
                                   timeout/1000))
219
 
 
 
225
    
220
226
    def rejected(self, reason):
221
 
        self.logger('Client {} was rejected; reason: {}'
 
227
        self.logger('Client {0} was rejected; reason: {1}'
222
228
                    .format(self.properties["Name"], reason))
223
 
 
 
229
    
224
230
    def selectable(self):
225
231
        """Make this a "selectable" widget.
226
232
        This overrides the method from urwid.FlowWidget."""
227
233
        return True
228
 
 
 
234
    
229
235
    def rows(self, maxcolrow, focus=False):
230
236
        """How many rows this widget will occupy might depend on
231
237
        whether we have focus or not.
232
238
        This overrides the method from urwid.FlowWidget"""
233
239
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
234
 
 
 
240
    
235
241
    def current_widget(self, focus=False):
236
242
        if focus or self.opened:
237
243
            return self._focus_widget
238
244
        return self._widget
239
 
 
 
245
    
240
246
    def update(self):
241
247
        "Called when what is visible on the screen should be updated."
242
248
        # How to add standout mode to a style
243
 
        with_standout = {"normal": "standout",
244
 
                         "bold": "bold-standout",
245
 
                         "underline-blink":
246
 
                         "underline-blink-standout",
247
 
                         "bold-underline-blink":
248
 
                         "bold-underline-blink-standout",
249
 
                         }
250
 
 
 
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
        
251
257
        # Rebuild focus and non-focus widgets using current properties
252
 
 
 
258
        
253
259
        # Base part of a client. Name!
254
260
        base = '{name}: '.format(name=self.properties["Name"])
255
261
        if not self.properties["Enabled"]:
256
262
            message = "DISABLED"
257
263
            self.using_timer(False)
258
264
        elif self.properties["ApprovalPending"]:
259
 
            timeout = datetime.timedelta(
260
 
                milliseconds=self.properties["ApprovalDelay"])
 
265
            timeout = datetime.timedelta(milliseconds
 
266
                                         = self.properties
 
267
                                         ["ApprovalDelay"])
261
268
            last_approval_request = isoformat_to_datetime(
262
269
                self.properties["LastApprovalRequest"])
263
270
            if last_approval_request is not None:
267
274
            else:
268
275
                timer = datetime.timedelta()
269
276
            if self.properties["ApprovedByDefault"]:
270
 
                message = "Approval in {}. (d)eny?"
 
277
                message = "Approval in {0}. (d)eny?"
271
278
            else:
272
 
                message = "Denial in {}. (a)pprove?"
 
279
                message = "Denial in {0}. (a)pprove?"
273
280
            message = message.format(str(timer).rsplit(".", 1)[0])
274
281
            self.using_timer(True)
275
282
        elif self.properties["LastCheckerStatus"] != 0:
283
290
                timer = max(expires - datetime.datetime.utcnow(),
284
291
                            datetime.timedelta())
285
292
            message = ('A checker has failed! Time until client'
286
 
                       ' gets disabled: {}'
 
293
                       ' gets disabled: {0}'
287
294
                       .format(str(timer).rsplit(".", 1)[0]))
288
295
            self.using_timer(True)
289
296
        else:
290
297
            message = "enabled"
291
298
            self.using_timer(False)
292
 
        self._text = "{}{}".format(base, message)
293
 
 
 
299
        self._text = "{0}{1}".format(base, message)
 
300
        
294
301
        if not urwid.supports_unicode():
295
302
            self._text = self._text.encode("ascii", "replace")
296
303
        textlist = [("normal", self._text)]
306
313
        # Run update hook, if any
307
314
        if self.update_hook is not None:
308
315
            self.update_hook()
309
 
 
 
316
    
310
317
    def update_timer(self):
311
 
        """called by GLib. Will indefinitely loop until
312
 
        GLib.source_remove() on tag is called
313
 
        """
 
318
        """called by gobject. Will indefinitely loop until
 
319
        gobject.source_remove() on tag is called"""
314
320
        self.update()
315
321
        return True             # Keep calling this
316
 
 
 
322
    
317
323
    def delete(self, **kwargs):
318
324
        if self._update_timer_callback_tag is not None:
319
 
            GLib.source_remove(self._update_timer_callback_tag)
 
325
            gobject.source_remove(self._update_timer_callback_tag)
320
326
            self._update_timer_callback_tag = None
321
327
        for match in self.match_objects:
322
328
            match.remove()
324
330
        if self.delete_hook is not None:
325
331
            self.delete_hook(self)
326
332
        return super(MandosClientWidget, self).delete(**kwargs)
327
 
 
 
333
    
328
334
    def render(self, maxcolrow, focus=False):
329
335
        """Render differently if we have focus.
330
336
        This overrides the method from urwid.FlowWidget"""
331
337
        return self.current_widget(focus).render(maxcolrow,
332
338
                                                 focus=focus)
333
 
 
 
339
    
334
340
    def keypress(self, maxcolrow, key):
335
341
        """Handle keys.
336
342
        This overrides the method from urwid.FlowWidget"""
337
343
        if key == "+":
338
 
            self.proxy.Set(client_interface, "Enabled",
339
 
                           dbus.Boolean(True), ignore_reply=True,
340
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
344
            self.proxy.Enable(dbus_interface = client_interface,
 
345
                              ignore_reply=True)
341
346
        elif key == "-":
342
 
            self.proxy.Set(client_interface, "Enabled", False,
343
 
                           ignore_reply=True,
344
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
347
            self.proxy.Disable(dbus_interface = client_interface,
 
348
                               ignore_reply=True)
345
349
        elif key == "a":
346
350
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
347
 
                               dbus_interface=client_interface,
 
351
                               dbus_interface = client_interface,
348
352
                               ignore_reply=True)
349
353
        elif key == "d":
350
354
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
351
 
                               dbus_interface=client_interface,
 
355
                                  dbus_interface = client_interface,
352
356
                               ignore_reply=True)
353
357
        elif key == "R" or key == "_" or key == "ctrl k":
354
358
            self.server_proxy_object.RemoveClient(self.proxy
355
359
                                                  .object_path,
356
360
                                                  ignore_reply=True)
357
361
        elif key == "s":
358
 
            self.proxy.Set(client_interface, "CheckerRunning",
359
 
                           dbus.Boolean(True), ignore_reply=True,
360
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
362
            self.proxy.StartChecker(dbus_interface = client_interface,
 
363
                                    ignore_reply=True)
361
364
        elif key == "S":
362
 
            self.proxy.Set(client_interface, "CheckerRunning",
363
 
                           dbus.Boolean(False), ignore_reply=True,
364
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
365
            self.proxy.StopChecker(dbus_interface = client_interface,
 
366
                                   ignore_reply=True)
365
367
        elif key == "C":
366
 
            self.proxy.CheckedOK(dbus_interface=client_interface,
 
368
            self.proxy.CheckedOK(dbus_interface = client_interface,
367
369
                                 ignore_reply=True)
368
370
        # xxx
369
371
#         elif key == "p" or key == "=":
374
376
#             self.open()
375
377
        else:
376
378
            return key
377
 
 
378
 
    def properties_changed(self, interface, properties, invalidated):
379
 
        """Call self.update() if any properties changed.
 
379
    
 
380
    def property_changed(self, property=None, **kwargs):
 
381
        """Call self.update() if old value is not new value.
380
382
        This overrides the method from MandosClientPropertyCache"""
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):
 
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:
387
388
            self.update()
388
389
 
389
390
 
393
394
    use them as an excuse to shift focus away from this widget.
394
395
    """
395
396
    def keypress(self, *args, **kwargs):
396
 
        ret = (super(ConstrainedListBox, self)
397
 
               .keypress(*args, **kwargs))
 
397
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
398
398
        if ret in ("up", "down"):
399
399
            return
400
400
        return ret
404
404
    """This is the entire user interface - the whole screen
405
405
    with boxes, lists of client widgets, etc.
406
406
    """
407
 
    def __init__(self, max_log_length=1000, log_level=1):
 
407
    def __init__(self, max_log_length=1000):
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",
423
 
                 "bold,underline,blink"),
 
422
                 "bold,underline,blink", "default", "bold,underline,blink"),
424
423
                ("bold-standout",
425
424
                 "bold,standout", "default", "bold,standout"),
426
425
                ("underline-blink-standout",
430
429
                 "bold,underline,blink,standout", "default",
431
430
                 "bold,underline,blink,standout"),
432
431
                ))
433
 
 
 
432
        
434
433
        if urwid.supports_unicode():
435
 
            self.divider = "─"  # \u2500
 
434
            self.divider = "─" # \u2500
 
435
            #self.divider = "━" # \u2501
436
436
        else:
437
 
            self.divider = "_"  # \u005f
438
 
 
 
437
            #self.divider = "-" # \u002d
 
438
            self.divider = "_" # \u005f
 
439
        
439
440
        self.screen.start()
440
 
 
 
441
        
441
442
        self.size = self.screen.get_cols_rows()
442
 
 
 
443
        
443
444
        self.clients = urwid.SimpleListWalker([])
444
445
        self.clients_dict = {}
445
 
 
 
446
        
446
447
        # We will add Text widgets to this list
447
 
        self.log = urwid.SimpleListWalker([])
 
448
        self.log = []
448
449
        self.max_log_length = max_log_length
449
 
 
450
 
        self.log_level = log_level
451
 
 
 
450
        
452
451
        # We keep a reference to the log widget so we can remove it
453
452
        # from the ListWalker without it getting destroyed
454
453
        self.logbox = ConstrainedListBox(self.log)
455
 
 
 
454
        
456
455
        # This keeps track of whether self.uilist currently has
457
456
        # self.logbox in it or not
458
457
        self.log_visible = True
459
458
        self.log_wrap = "any"
460
 
 
 
459
        
461
460
        self.rebuild()
462
461
        self.log_message_raw(("bold",
463
462
                              "Mandos Monitor version " + version))
464
463
        self.log_message_raw(("bold",
465
464
                              "q: Quit  ?: Help"))
466
 
 
 
465
        
467
466
        self.busname = domain + '.Mandos'
468
 
        self.main_loop = GLib.MainLoop()
469
 
 
 
467
        self.main_loop = gobject.MainLoop()
 
468
    
470
469
    def client_not_found(self, fingerprint, address):
471
 
        self.log_message("Client with address {} and fingerprint {}"
472
 
                         " could not be found"
 
470
        self.log_message("Client with address {0} and fingerprint"
 
471
                         " {1} could not be found"
473
472
                         .format(address, fingerprint))
474
 
 
 
473
    
475
474
    def rebuild(self):
476
475
        """This rebuilds the User Interface.
477
476
        Call this when the widget layout needs to change"""
478
477
        self.uilist = []
479
 
        # self.uilist.append(urwid.ListBox(self.clients))
 
478
        #self.uilist.append(urwid.ListBox(self.clients))
480
479
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
481
480
                                                          clients),
482
 
                                       # header=urwid.Divider(),
 
481
                                       #header=urwid.Divider(),
483
482
                                       header=None,
484
 
                                       footer=urwid.Divider(
485
 
                                           div_char=self.divider)))
 
483
                                       footer=
 
484
                                       urwid.Divider(div_char=
 
485
                                                     self.divider)))
486
486
        if self.log_visible:
487
487
            self.uilist.append(self.logbox)
488
488
        self.topwidget = urwid.Pile(self.uilist)
489
 
 
490
 
    def log_message(self, message, level=1):
 
489
    
 
490
    def log_message(self, message):
491
491
        """Log message formatted with timestamp"""
492
 
        if level < self.log_level:
493
 
            return
494
492
        timestamp = datetime.datetime.now().isoformat()
495
 
        self.log_message_raw("{}: {}".format(timestamp, message),
496
 
                             level=level)
497
 
 
498
 
    def log_message_raw(self, markup, level=1):
 
493
        self.log_message_raw(timestamp + ": " + message)
 
494
    
 
495
    def log_message_raw(self, markup):
499
496
        """Add a log message to the log buffer."""
500
 
        if level < self.log_level:
501
 
            return
502
497
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
503
 
        if self.max_log_length:
504
 
            if len(self.log) > self.max_log_length:
505
 
                del self.log[0:len(self.log)-self.max_log_length-1]
506
 
        self.logbox.set_focus(len(self.logbox.body.contents)-1,
 
498
        if (self.max_log_length
 
499
            and len(self.log) > self.max_log_length):
 
500
            del self.log[0:len(self.log)-self.max_log_length-1]
 
501
        self.logbox.set_focus(len(self.logbox.body.contents),
507
502
                              coming_from="above")
508
503
        self.refresh()
509
 
 
 
504
    
510
505
    def toggle_log_display(self):
511
506
        """Toggle visibility of the log buffer."""
512
507
        self.log_visible = not self.log_visible
513
508
        self.rebuild()
514
 
        self.log_message("Log visibility changed to: {}"
515
 
                         .format(self.log_visible), level=0)
516
 
 
 
509
        #self.log_message("Log visibility changed to: "
 
510
        #                 + str(self.log_visible))
 
511
    
517
512
    def change_log_display(self):
518
513
        """Change type of log display.
519
514
        Currently, this toggles wrapping of text lines."""
523
518
            self.log_wrap = "clip"
524
519
        for textwidget in self.log:
525
520
            textwidget.set_wrap_mode(self.log_wrap)
526
 
        self.log_message("Wrap mode: {}".format(self.log_wrap),
527
 
                         level=0)
528
 
 
529
 
    def find_and_remove_client(self, path, interfaces):
 
521
        #self.log_message("Wrap mode: " + self.log_wrap)
 
522
    
 
523
    def find_and_remove_client(self, path, name):
530
524
        """Find a client by its object path and remove it.
531
 
 
532
 
        This is connected to the InterfacesRemoved signal from the
 
525
        
 
526
        This is connected to the ClientRemoved signal from the
533
527
        Mandos server object."""
534
 
        if client_interface not in interfaces:
535
 
            # Not a Mandos client object; ignore
536
 
            return
537
528
        try:
538
529
            client = self.clients_dict[path]
539
530
        except KeyError:
540
531
            # not found?
541
 
            self.log_message("Unknown client {!r} removed"
542
 
                             .format(path))
 
532
            self.log_message("Unknown client {0!r} ({1!r}) removed"
 
533
                             .format(name, path))
543
534
            return
544
535
        client.delete()
545
 
 
546
 
    def add_new_client(self, path, ifs_and_props):
547
 
        """Find a client by its object path and remove it.
548
 
 
549
 
        This is connected to the InterfacesAdded signal from the
550
 
        Mandos server object.
551
 
        """
552
 
        if client_interface not in ifs_and_props:
553
 
            # Not a Mandos client object; ignore
554
 
            return
 
536
    
 
537
    def add_new_client(self, path):
555
538
        client_proxy_object = self.bus.get_object(self.busname, path)
556
 
        self.add_client(MandosClientWidget(
557
 
            server_proxy_object=self.mandos_serv,
558
 
            proxy_object=client_proxy_object,
559
 
            update_hook=self.refresh,
560
 
            delete_hook=self.remove_client,
561
 
            logger=self.log_message,
562
 
            properties=dict(ifs_and_props[client_interface])),
 
539
        self.add_client(MandosClientWidget(server_proxy_object
 
540
                                           =self.mandos_serv,
 
541
                                           proxy_object
 
542
                                           =client_proxy_object,
 
543
                                           update_hook
 
544
                                           =self.refresh,
 
545
                                           delete_hook
 
546
                                           =self.remove_client,
 
547
                                           logger
 
548
                                           =self.log_message),
563
549
                        path=path)
564
 
 
 
550
    
565
551
    def add_client(self, client, path=None):
566
552
        self.clients.append(client)
567
553
        if path is None:
569
555
        self.clients_dict[path] = client
570
556
        self.clients.sort(key=lambda c: c.properties["Name"])
571
557
        self.refresh()
572
 
 
 
558
    
573
559
    def remove_client(self, client, path=None):
574
560
        self.clients.remove(client)
575
561
        if path is None:
576
562
            path = client.proxy.object_path
577
563
        del self.clients_dict[path]
578
564
        self.refresh()
579
 
 
 
565
    
580
566
    def refresh(self):
581
567
        """Redraw the screen"""
582
568
        canvas = self.topwidget.render(self.size, focus=True)
583
569
        self.screen.draw_screen(self.size, canvas)
584
 
 
 
570
    
585
571
    def run(self):
586
572
        """Start the main loop and exit when it's done."""
587
573
        self.bus = dbus.SystemBus()
588
574
        mandos_dbus_objc = self.bus.get_object(
589
575
            self.busname, "/", follow_name_owner_changes=True)
590
 
        self.mandos_serv = dbus.Interface(
591
 
            mandos_dbus_objc, dbus_interface=server_interface)
 
576
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
577
                                          dbus_interface
 
578
                                          = server_interface)
592
579
        try:
593
580
            mandos_clients = (self.mandos_serv
594
581
                              .GetAllClientsWithProperties())
595
582
            if not mandos_clients:
596
 
                self.log_message_raw(("bold",
597
 
                                      "Note: Server has no clients."))
 
583
                self.log_message_raw(("bold", "Note: Server has no clients."))
598
584
        except dbus.exceptions.DBusException:
599
 
            self.log_message_raw(("bold",
600
 
                                  "Note: No Mandos server running."))
 
585
            self.log_message_raw(("bold", "Note: No Mandos server running."))
601
586
            mandos_clients = dbus.Dictionary()
602
 
 
 
587
        
603
588
        (self.mandos_serv
604
 
         .connect_to_signal("InterfacesRemoved",
 
589
         .connect_to_signal("ClientRemoved",
605
590
                            self.find_and_remove_client,
606
 
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
591
                            dbus_interface=server_interface,
607
592
                            byte_arrays=True))
608
593
        (self.mandos_serv
609
 
         .connect_to_signal("InterfacesAdded",
 
594
         .connect_to_signal("ClientAdded",
610
595
                            self.add_new_client,
611
 
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
596
                            dbus_interface=server_interface,
612
597
                            byte_arrays=True))
613
598
        (self.mandos_serv
614
599
         .connect_to_signal("ClientNotFound",
618
603
        for path, client in mandos_clients.items():
619
604
            client_proxy_object = self.bus.get_object(self.busname,
620
605
                                                      path)
621
 
            self.add_client(MandosClientWidget(
622
 
                server_proxy_object=self.mandos_serv,
623
 
                proxy_object=client_proxy_object,
624
 
                properties=client,
625
 
                update_hook=self.refresh,
626
 
                delete_hook=self.remove_client,
627
 
                logger=self.log_message),
 
606
            self.add_client(MandosClientWidget(server_proxy_object
 
607
                                               =self.mandos_serv,
 
608
                                               proxy_object
 
609
                                               =client_proxy_object,
 
610
                                               properties=client,
 
611
                                               update_hook
 
612
                                               =self.refresh,
 
613
                                               delete_hook
 
614
                                               =self.remove_client,
 
615
                                               logger
 
616
                                               =self.log_message),
628
617
                            path=path)
629
 
 
 
618
        
630
619
        self.refresh()
631
 
        self._input_callback_tag = (GLib.io_add_watch
 
620
        self._input_callback_tag = (gobject.io_add_watch
632
621
                                    (sys.stdin.fileno(),
633
 
                                     GLib.IO_IN,
 
622
                                     gobject.IO_IN,
634
623
                                     self.process_input))
635
624
        self.main_loop.run()
636
625
        # Main loop has finished, we should close everything now
637
 
        GLib.source_remove(self._input_callback_tag)
 
626
        gobject.source_remove(self._input_callback_tag)
638
627
        self.screen.stop()
639
 
 
 
628
    
640
629
    def stop(self):
641
630
        self.main_loop.quit()
642
 
 
 
631
    
643
632
    def process_input(self, source, condition):
644
633
        keys = self.screen.get_input()
645
 
        translations = {"ctrl n": "down",       # Emacs
646
 
                        "ctrl p": "up",         # Emacs
647
 
                        "ctrl v": "page down",  # Emacs
648
 
                        "meta v": "page up",    # Emacs
649
 
                        " ": "page down",       # less
650
 
                        "f": "page down",       # less
651
 
                        "b": "page up",         # less
652
 
                        "j": "down",            # vi
653
 
                        "k": "up",              # vi
654
 
                        }
 
634
        translations = { "ctrl n": "down",      # Emacs
 
635
                         "ctrl p": "up",        # Emacs
 
636
                         "ctrl v": "page down", # Emacs
 
637
                         "meta v": "page up",   # Emacs
 
638
                         " ": "page down",      # less
 
639
                         "f": "page down",      # less
 
640
                         "b": "page up",        # less
 
641
                         "j": "down",           # vi
 
642
                         "k": "up",             # vi
 
643
                         }
655
644
        for key in keys:
656
645
            try:
657
646
                key = translations[key]
658
647
            except KeyError:    # :-)
659
648
                pass
660
 
 
 
649
            
661
650
            if key == "q" or key == "Q":
662
651
                self.stop()
663
652
                break
664
653
            elif key == "window resize":
665
654
                self.size = self.screen.get_cols_rows()
666
655
                self.refresh()
667
 
            elif key == "ctrl l":
668
 
                self.screen.clear()
 
656
            elif key == "\f":  # Ctrl-L
669
657
                self.refresh()
670
658
            elif key == "l" or key == "D":
671
659
                self.toggle_log_display()
683
671
                                            "?: Help",
684
672
                                            "l: Log window toggle",
685
673
                                            "TAB: Switch window",
686
 
                                            "w: Wrap (log lines)",
687
 
                                            "v: Toggle verbose log",
688
 
                                            ))))
 
674
                                            "w: Wrap (log)"))))
689
675
                self.log_message_raw(("bold",
690
676
                                      "  "
691
677
                                      .join(("Clients:",
704
690
                else:
705
691
                    self.topwidget.set_focus(self.logbox)
706
692
                self.refresh()
707
 
            elif key == "v":
708
 
                if self.log_level == 0:
709
 
                    self.log_level = 1
710
 
                    self.log_message("Verbose mode: Off")
711
 
                else:
712
 
                    self.log_level = 0
713
 
                    self.log_message("Verbose mode: On")
714
 
            # elif (key == "end" or key == "meta >" or key == "G"
715
 
            #       or key == ">"):
716
 
            #     pass            # xxx end-of-buffer
717
 
            # elif (key == "home" or key == "meta <" or key == "g"
718
 
            #       or key == "<"):
719
 
            #     pass            # xxx beginning-of-buffer
720
 
            # elif key == "ctrl e" or key == "$":
721
 
            #     pass            # xxx move-end-of-line
722
 
            # elif key == "ctrl a" or key == "^":
723
 
            #     pass            # xxx move-beginning-of-line
724
 
            # elif key == "ctrl b" or key == "meta (" or key == "h":
725
 
            #     pass            # xxx left
726
 
            # elif key == "ctrl f" or key == "meta )" or key == "l":
727
 
            #     pass            # xxx right
728
 
            # elif key == "a":
729
 
            #     pass            # scroll up log
730
 
            # elif key == "z":
731
 
            #     pass            # scroll down log
 
693
            #elif (key == "end" or key == "meta >" or key == "G"
 
694
            #      or key == ">"):
 
695
            #    pass            # xxx end-of-buffer
 
696
            #elif (key == "home" or key == "meta <" or key == "g"
 
697
            #      or key == "<"):
 
698
            #    pass            # xxx beginning-of-buffer
 
699
            #elif key == "ctrl e" or key == "$":
 
700
            #    pass            # xxx move-end-of-line
 
701
            #elif key == "ctrl a" or key == "^":
 
702
            #    pass            # xxx move-beginning-of-line
 
703
            #elif key == "ctrl b" or key == "meta (" or key == "h":
 
704
            #    pass            # xxx left
 
705
            #elif key == "ctrl f" or key == "meta )" or key == "l":
 
706
            #    pass            # xxx right
 
707
            #elif key == "a":
 
708
            #    pass            # scroll up log
 
709
            #elif key == "z":
 
710
            #    pass            # scroll down log
732
711
            elif self.topwidget.selectable():
733
712
                self.topwidget.keypress(self.size, key)
734
713
                self.refresh()
735
714
        return True
736
715
 
737
 
 
738
716
ui = UserInterface()
739
717
try:
740
718
    ui.run()