15
42
from dbus.mainloop.glib import DBusGMainLoop
 
 
43
from gi.repository import GLib
 
24
 
locale.setlocale(locale.LC_ALL, u'')
 
 
51
if sys.version_info.major == 2:
 
 
54
locale.setlocale(locale.LC_ALL, '')
 
27
56
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
 
29
58
# Some useful constants
 
30
 
domain = 'se.bsnet.fukt'
 
 
59
domain = 'se.recompile'
 
31
60
server_interface = domain + '.Mandos'
 
32
61
client_interface = domain + '.Mandos.Client'
 
35
 
# Always run in monochrome mode
 
36
 
urwid.curses_display.curses.has_colors = lambda : False
 
38
 
# Urwid doesn't support blinking, but we want it.  Since we have no
 
39
 
# use for underline on its own, we make underline also always blink.
 
40
 
urwid.curses_display.curses.A_UNDERLINE |= (
 
41
 
    urwid.curses_display.curses.A_BLINK)
 
 
65
    dbus.OBJECT_MANAGER_IFACE
 
 
66
except AttributeError:
 
 
67
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
 
 
70
def isoformat_to_datetime(iso):
 
 
71
    "Parse an ISO 8601 date string to a datetime.datetime()"
 
 
74
    d, t = iso.split("T", 1)
 
 
75
    year, month, day = d.split("-", 2)
 
 
76
    hour, minute, second = t.split(":", 2)
 
 
77
    second, fraction = divmod(float(second), 1)
 
 
78
    return datetime.datetime(int(year),
 
 
83
                             int(second),            # Whole seconds
 
 
84
                             int(fraction*1000000))  # Microseconds
 
43
87
class MandosClientPropertyCache(object):
 
44
88
    """This wraps a Mandos Client D-Bus proxy object, caches the
 
45
89
    properties and calls a hook function when any of them are
 
48
 
    def __init__(self, proxy_object=None, *args, **kwargs):
 
49
 
        self.proxy = proxy_object # Mandos Client proxy object
 
51
 
        self.properties = dict()
 
52
 
        self.proxy.connect_to_signal(u"PropertyChanged",
 
53
 
                                     self.property_changed,
 
57
 
        self.properties.update(
 
58
 
            self.proxy.GetAll(client_interface,
 
59
 
                              dbus_interface = dbus.PROPERTIES_IFACE))
 
61
 
        #XXX This break good super behaviour!
 
62
 
#        super(MandosClientPropertyCache, self).__init__(
 
65
 
    def property_changed(self, property=None, value=None):
 
66
 
        """This is called whenever we get a PropertyChanged signal
 
67
 
        It updates the changed property in the "properties" dict.
 
 
92
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
 
93
        self.proxy = proxy_object  # Mandos Client proxy object
 
 
94
        self.properties = dict() if properties is None else properties
 
 
95
        self.property_changed_match = (
 
 
96
            self.proxy.connect_to_signal("PropertiesChanged",
 
 
97
                                         self.properties_changed,
 
 
98
                                         dbus.PROPERTIES_IFACE,
 
 
101
        if properties is None:
 
 
102
            self.properties.update(self.proxy.GetAll(
 
 
104
                dbus_interface=dbus.PROPERTIES_IFACE))
 
 
106
        super(MandosClientPropertyCache, self).__init__(**kwargs)
 
 
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.
 
69
112
        # Update properties dict with new value
 
70
 
        self.properties[property] = value
 
 
113
        if interface == client_interface:
 
 
114
            self.properties.update(properties)
 
 
117
        self.property_changed_match.remove()
 
73
120
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
 
74
121
    """A Mandos Client which is visible on the screen.
 
77
124
    def __init__(self, server_proxy_object=None, update_hook=None,
 
78
 
                 delete_hook=None, logger=None, *args, **kwargs):
 
 
125
                 delete_hook=None, logger=None, **kwargs):
 
79
126
        # Called on update
 
80
127
        self.update_hook = update_hook
 
81
128
        # Called on delete
 
 
84
131
        self.server_proxy_object = server_proxy_object
 
86
133
        self.logger = logger
 
 
135
        self._update_timer_callback_tag = None
 
88
137
        # The widget shown normally
 
89
 
        self._text_widget = urwid.Text(u"")
 
 
138
        self._text_widget = urwid.Text("")
 
90
139
        # The widget shown when we have focus
 
91
 
        self._focus_text_widget = urwid.Text(u"")
 
92
 
        super(MandosClientWidget, self).__init__(
 
93
 
            update_hook=update_hook, delete_hook=delete_hook,
 
 
140
        self._focus_text_widget = urwid.Text("")
 
 
141
        super(MandosClientWidget, self).__init__(**kwargs)
 
96
143
        self.opened = False
 
97
 
        self.proxy.connect_to_signal(u"CheckerCompleted",
 
98
 
                                     self.checker_completed,
 
101
 
        self.proxy.connect_to_signal(u"CheckerStarted",
 
102
 
                                     self.checker_started,
 
105
 
        self.proxy.connect_to_signal(u"GotSecret",
 
109
 
        self.proxy.connect_to_signal(u"NeedApproval",
 
113
 
        self.proxy.connect_to_signal(u"Rejected",
 
 
145
        self.match_objects = (
 
 
146
            self.proxy.connect_to_signal("CheckerCompleted",
 
 
147
                                         self.checker_completed,
 
 
150
            self.proxy.connect_to_signal("CheckerStarted",
 
 
151
                                         self.checker_started,
 
 
154
            self.proxy.connect_to_signal("GotSecret",
 
 
158
            self.proxy.connect_to_signal("NeedApproval",
 
 
162
            self.proxy.connect_to_signal("Rejected",
 
 
166
        self.logger('Created client {}'
 
 
167
                    .format(self.properties["Name"]), level=0)
 
 
169
    def using_timer(self, flag):
 
 
170
        """Call this method with True or False when timer should be
 
 
171
        activated or deactivated.
 
 
173
        if flag and self._update_timer_callback_tag is None:
 
 
174
            # Will update the shown timer value every second
 
 
175
            self._update_timer_callback_tag = (GLib.timeout_add
 
 
178
        elif not (flag or self._update_timer_callback_tag is None):
 
 
179
            GLib.source_remove(self._update_timer_callback_tag)
 
 
180
            self._update_timer_callback_tag = None
 
118
182
    def checker_completed(self, exitstatus, condition, command):
 
119
183
        if exitstatus == 0:
 
120
 
            #self.logger(u'Checker for client %s (command "%s")'
 
122
 
            #            % (self.properties[u"name"], command))
 
 
184
            self.logger('Checker for client {} (command "{}")'
 
 
185
                        ' succeeded'.format(self.properties["Name"],
 
124
190
        if os.WIFEXITED(condition):
 
125
 
            self.logger(u'Checker for client %s (command "%s")'
 
126
 
                        u' failed with exit code %s'
 
127
 
                        % (self.properties[u"name"], command,
 
128
 
                           os.WEXITSTATUS(condition)))
 
130
 
        if os.WIFSIGNALED(condition):
 
131
 
            self.logger(u'Checker for client %s (command "%s")'
 
132
 
                        u' was killed by signal %s'
 
133
 
                        % (self.properties[u"name"], command,
 
134
 
                           os.WTERMSIG(condition)))
 
136
 
        if os.WCOREDUMP(condition):
 
137
 
            self.logger(u'Checker for client %s (command "%s")'
 
139
 
                        % (self.properties[u"name"], command))
 
140
 
        self.logger(u'Checker for client %s completed mysteriously')
 
 
191
            self.logger('Checker for client {} (command "{}") failed'
 
 
193
                        .format(self.properties["Name"], command,
 
 
194
                                os.WEXITSTATUS(condition)))
 
 
195
        elif os.WIFSIGNALED(condition):
 
 
196
            self.logger('Checker for client {} (command "{}") was'
 
 
197
                        ' killed by signal {}'
 
 
198
                        .format(self.properties["Name"], command,
 
 
199
                                os.WTERMSIG(condition)))
 
142
202
    def checker_started(self, command):
 
143
 
        #self.logger(u'Client %s started checker "%s"'
 
144
 
        #            % (self.properties[u"name"], unicode(command)))
 
 
203
        """Server signals that a checker started."""
 
 
204
        self.logger('Client {} started checker "{}"'
 
 
205
                    .format(self.properties["Name"],
 
147
208
    def got_secret(self):
 
148
 
        self.logger(u'Client %s received its secret'
 
149
 
                    % self.properties[u"name"])
 
 
209
        self.logger('Client {} received its secret'
 
 
210
                    .format(self.properties["Name"]))
 
151
212
    def need_approval(self, timeout, default):
 
153
 
            message = u'Client %s needs approval within %s seconds'
 
 
214
            message = 'Client {} needs approval within {} seconds'
 
155
 
            message = u'Client %s will get its secret in %s seconds'
 
157
 
                    % (self.properties[u"name"], timeout/1000))
 
 
216
            message = 'Client {} will get its secret in {} seconds'
 
 
217
        self.logger(message.format(self.properties["Name"],
 
159
220
    def rejected(self, reason):
 
160
 
        self.logger(u'Client %s was rejected; reason: %s'
 
161
 
                    % (self.properties[u"name"], reason))
 
 
221
        self.logger('Client {} was rejected; reason: {}'
 
 
222
                    .format(self.properties["Name"], reason))
 
163
224
    def selectable(self):
 
164
225
        """Make this a "selectable" widget.
 
165
226
        This overrides the method from urwid.FlowWidget."""
 
168
 
    def rows(self, (maxcol,), focus=False):
 
 
229
    def rows(self, maxcolrow, focus=False):
 
169
230
        """How many rows this widget will occupy might depend on
 
170
231
        whether we have focus or not.
 
171
232
        This overrides the method from urwid.FlowWidget"""
 
172
 
        return self.current_widget(focus).rows((maxcol,), focus=focus)
 
 
233
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
174
235
    def current_widget(self, focus=False):
 
175
236
        if focus or self.opened:
 
176
237
            return self._focus_widget
 
177
238
        return self._widget
 
179
240
    def update(self):
 
180
241
        "Called when what is visible on the screen should be updated."
 
181
242
        # How to add standout mode to a style
 
182
 
        with_standout = { u"normal": u"standout",
 
183
 
                          u"bold": u"bold-standout",
 
185
 
                              u"underline-blink-standout",
 
186
 
                          u"bold-underline-blink":
 
187
 
                              u"bold-underline-blink-standout",
 
 
243
        with_standout = {"normal": "standout",
 
 
244
                         "bold": "bold-standout",
 
 
246
                         "underline-blink-standout",
 
 
247
                         "bold-underline-blink":
 
 
248
                         "bold-underline-blink-standout",
 
190
251
        # Rebuild focus and non-focus widgets using current properties
 
192
253
        # Base part of a client. Name!
 
193
 
        self._text = (u'%(name)s: '
 
194
 
                      % {u"name": self.properties[u"name"]})
 
 
254
        base = '{name}: '.format(name=self.properties["Name"])
 
 
255
        if not self.properties["Enabled"]:
 
 
257
            self.using_timer(False)
 
 
258
        elif self.properties["ApprovalPending"]:
 
 
259
            timeout = datetime.timedelta(
 
 
260
                milliseconds=self.properties["ApprovalDelay"])
 
 
261
            last_approval_request = isoformat_to_datetime(
 
 
262
                self.properties["LastApprovalRequest"])
 
 
263
            if last_approval_request is not None:
 
 
264
                timer = max(timeout - (datetime.datetime.utcnow()
 
 
265
                                       - last_approval_request),
 
 
266
                            datetime.timedelta())
 
 
268
                timer = datetime.timedelta()
 
 
269
            if self.properties["ApprovedByDefault"]:
 
 
270
                message = "Approval in {}. (d)eny?"
 
 
272
                message = "Denial in {}. (a)pprove?"
 
 
273
            message = message.format(str(timer).rsplit(".", 1)[0])
 
 
274
            self.using_timer(True)
 
 
275
        elif self.properties["LastCheckerStatus"] != 0:
 
 
276
            # When checker has failed, show timer until client expires
 
 
277
            expires = self.properties["Expires"]
 
 
279
                timer = datetime.timedelta(0)
 
 
281
                expires = (datetime.datetime.strptime
 
 
282
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
 
 
283
                timer = max(expires - datetime.datetime.utcnow(),
 
 
284
                            datetime.timedelta())
 
 
285
            message = ('A checker has failed! Time until client'
 
 
287
                       .format(str(timer).rsplit(".", 1)[0]))
 
 
288
            self.using_timer(True)
 
 
291
            self.using_timer(False)
 
 
292
        self._text = "{}{}".format(base, message)
 
196
 
        if self.properties[u"approved_pending"]:
 
197
 
            if self.properties[u"approved_by_default"]:
 
198
 
                self._text += u"Connection established to client. (d)eny?"
 
200
 
                self._text += u"Seeks approval to send secret. (a)pprove?"
 
202
 
            self._text += (u'%(enabled)s'
 
205
 
                                if self.properties[u"enabled"]
 
207
294
        if not urwid.supports_unicode():
 
208
295
            self._text = self._text.encode("ascii", "replace")
 
209
 
        textlist = [(u"normal", self._text)]
 
 
296
        textlist = [("normal", self._text)]
 
210
297
        self._text_widget.set_text(textlist)
 
211
298
        self._focus_text_widget.set_text([(with_standout[text[0]],
 
 
219
306
        # Run update hook, if any
 
220
307
        if self.update_hook is not None:
 
221
308
            self.update_hook()
 
 
310
    def update_timer(self):
 
 
311
        """called by GLib. Will indefinitely loop until
 
 
312
        GLib.source_remove() on tag is called
 
 
315
        return True             # Keep calling this
 
 
317
    def delete(self, **kwargs):
 
 
318
        if self._update_timer_callback_tag is not None:
 
 
319
            GLib.source_remove(self._update_timer_callback_tag)
 
 
320
            self._update_timer_callback_tag = None
 
 
321
        for match in self.match_objects:
 
 
323
        self.match_objects = ()
 
224
324
        if self.delete_hook is not None:
 
225
325
            self.delete_hook(self)
 
227
 
    def render(self, (maxcol,), focus=False):
 
 
326
        return super(MandosClientWidget, self).delete(**kwargs)
 
 
328
    def render(self, maxcolrow, focus=False):
 
228
329
        """Render differently if we have focus.
 
229
330
        This overrides the method from urwid.FlowWidget"""
 
230
 
        return self.current_widget(focus).render((maxcol,),
 
 
331
        return self.current_widget(focus).render(maxcolrow,
 
233
 
    def keypress(self, (maxcol,), key):
 
 
334
    def keypress(self, maxcolrow, key):
 
235
336
        This overrides the method from urwid.FlowWidget"""
 
237
 
            self.proxy.Enable(dbus_interface = client_interface)
 
239
 
            self.proxy.Disable(dbus_interface = client_interface)
 
 
338
            self.proxy.Set(client_interface, "Enabled",
 
 
339
                           dbus.Boolean(True), ignore_reply=True,
 
 
340
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
 
342
            self.proxy.Set(client_interface, "Enabled", False,
 
 
344
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
241
346
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
 
242
 
                               dbus_interface = client_interface)
 
 
347
                               dbus_interface=client_interface,
 
244
350
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
 
245
 
                                  dbus_interface = client_interface)
 
246
 
        elif key == u"r" or key == u"_" or key == u"ctrl k":
 
 
351
                               dbus_interface=client_interface,
 
 
353
        elif key == "R" or key == "_" or key == "ctrl k":
 
247
354
            self.server_proxy_object.RemoveClient(self.proxy
 
250
 
            self.proxy.StartChecker(dbus_interface = client_interface)
 
252
 
            self.proxy.StopChecker(dbus_interface = client_interface)
 
254
 
            self.proxy.CheckedOK(dbus_interface = client_interface)
 
 
358
            self.proxy.Set(client_interface, "CheckerRunning",
 
 
359
                           dbus.Boolean(True), ignore_reply=True,
 
 
360
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
 
362
            self.proxy.Set(client_interface, "CheckerRunning",
 
 
363
                           dbus.Boolean(False), ignore_reply=True,
 
 
364
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
 
366
            self.proxy.CheckedOK(dbus_interface=client_interface,
 
256
 
#         elif key == u"p" or key == "=":
 
 
369
#         elif key == "p" or key == "=":
 
257
370
#             self.proxy.pause()
 
258
 
#         elif key == u"u" or key == ":":
 
 
371
#         elif key == "u" or key == ":":
 
259
372
#             self.proxy.unpause()
 
260
 
#         elif key == u"RET":
 
263
 
#            self.proxy.Approve(True)
 
265
 
#            self.proxy.Approve(False)
 
269
 
    def property_changed(self, property=None, value=None,
 
271
 
        """Call self.update() if old value is not new value.
 
 
378
    def properties_changed(self, interface, properties, invalidated):
 
 
379
        """Call self.update() if any properties changed.
 
272
380
        This overrides the method from MandosClientPropertyCache"""
 
273
 
        property_name = unicode(property)
 
274
 
        old_value = self.properties.get(property_name)
 
275
 
        super(MandosClientWidget, self).property_changed(
 
276
 
            property=property, value=value, *args, **kwargs)
 
277
 
        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):
 
 
294
404
    """This is the entire user interface - the whole screen
 
295
405
    with boxes, lists of client widgets, etc.
 
297
 
    def __init__(self, max_log_length=1000):
 
 
407
    def __init__(self, max_log_length=1000, log_level=1):
 
298
408
        DBusGMainLoop(set_as_default=True)
 
300
410
        self.screen = urwid.curses_display.Screen()
 
302
412
        self.screen.register_palette((
 
304
 
                 u"default", u"default", None),
 
306
 
                 u"default", u"default", u"bold"),
 
308
 
                 u"default", u"default", u"underline"),
 
310
 
                 u"default", u"default", u"standout"),
 
311
 
                (u"bold-underline-blink",
 
312
 
                 u"default", u"default", (u"bold", u"underline")),
 
314
 
                 u"default", u"default", (u"bold", u"standout")),
 
315
 
                (u"underline-blink-standout",
 
316
 
                 u"default", u"default", (u"underline", u"standout")),
 
317
 
                (u"bold-underline-blink-standout",
 
318
 
                 u"default", u"default", (u"bold", u"underline",
 
 
414
                 "default", "default", None),
 
 
416
                 "bold", "default", "bold"),
 
 
418
                 "underline,blink", "default", "underline,blink"),
 
 
420
                 "standout", "default", "standout"),
 
 
421
                ("bold-underline-blink",
 
 
422
                 "bold,underline,blink", "default",
 
 
423
                 "bold,underline,blink"),
 
 
425
                 "bold,standout", "default", "bold,standout"),
 
 
426
                ("underline-blink-standout",
 
 
427
                 "underline,blink,standout", "default",
 
 
428
                 "underline,blink,standout"),
 
 
429
                ("bold-underline-blink-standout",
 
 
430
                 "bold,underline,blink,standout", "default",
 
 
431
                 "bold,underline,blink,standout"),
 
322
434
        if urwid.supports_unicode():
 
323
 
            self.divider = u"─" # \u2500
 
324
 
            #self.divider = u"━" # \u2501
 
 
435
            self.divider = "─"  # \u2500
 
326
 
            #self.divider = u"-" # \u002d
 
327
 
            self.divider = u"_" # \u005f
 
 
437
            self.divider = "_"  # \u005f
 
329
439
        self.screen.start()
 
331
441
        self.size = self.screen.get_cols_rows()
 
333
443
        self.clients = urwid.SimpleListWalker([])
 
334
444
        self.clients_dict = {}
 
336
446
        # We will add Text widgets to this list
 
338
448
        self.max_log_length = max_log_length
 
 
450
        self.log_level = log_level
 
340
452
        # We keep a reference to the log widget so we can remove it
 
341
453
        # from the ListWalker without it getting destroyed
 
342
454
        self.logbox = ConstrainedListBox(self.log)
 
344
456
        # This keeps track of whether self.uilist currently has
 
345
457
        # self.logbox in it or not
 
346
458
        self.log_visible = True
 
347
 
        self.log_wrap = u"any"
 
 
459
        self.log_wrap = "any"
 
350
 
        self.log_message_raw((u"bold",
 
351
 
                              u"Mandos Monitor version " + version))
 
352
 
        self.log_message_raw((u"bold",
 
 
462
        self.log_message_raw(("bold",
 
 
463
                              "Mandos Monitor version " + version))
 
 
464
        self.log_message_raw(("bold",
 
355
467
        self.busname = domain + '.Mandos'
 
356
 
        self.main_loop = gobject.MainLoop()
 
357
 
        self.bus = dbus.SystemBus()
 
358
 
        mandos_dbus_objc = self.bus.get_object(
 
359
 
            self.busname, u"/", follow_name_owner_changes=True)
 
360
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
364
 
            mandos_clients = (self.mandos_serv
 
365
 
                              .GetAllClientsWithProperties())
 
366
 
        except dbus.exceptions.DBusException:
 
367
 
            mandos_clients = dbus.Dictionary()
 
370
 
         .connect_to_signal(u"ClientRemoved",
 
371
 
                            self.find_and_remove_client,
 
372
 
                            dbus_interface=server_interface,
 
375
 
         .connect_to_signal(u"ClientAdded",
 
377
 
                            dbus_interface=server_interface,
 
380
 
         .connect_to_signal(u"ClientNotFound",
 
381
 
                            self.client_not_found,
 
382
 
                            dbus_interface=server_interface,
 
384
 
        for path, client in mandos_clients.iteritems():
 
385
 
            client_proxy_object = self.bus.get_object(self.busname,
 
387
 
            self.add_client(MandosClientWidget(server_proxy_object
 
390
 
                                               =client_proxy_object,
 
 
468
        self.main_loop = GLib.MainLoop()
 
400
470
    def client_not_found(self, fingerprint, address):
 
401
 
        self.log_message((u"Client with address %s and fingerprint %s"
 
402
 
                          u" could not be found" % (address,
 
 
471
        self.log_message("Client with address {} and fingerprint {}"
 
 
472
                         " could not be found"
 
 
473
                         .format(address, fingerprint))
 
405
475
    def rebuild(self):
 
406
476
        """This rebuilds the User Interface.
 
407
477
        Call this when the widget layout needs to change"""
 
409
 
        #self.uilist.append(urwid.ListBox(self.clients))
 
410
 
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
 
411
 
                                       #header=urwid.Divider(),
 
 
479
        # self.uilist.append(urwid.ListBox(self.clients))
 
 
480
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
 
 
482
                                       # header=urwid.Divider(),
 
413
 
                                       footer=urwid.Divider(div_char=self.divider)))
 
 
484
                                       footer=urwid.Divider(
 
 
485
                                           div_char=self.divider)))
 
414
486
        if self.log_visible:
 
415
487
            self.uilist.append(self.logbox)
 
417
488
        self.topwidget = urwid.Pile(self.uilist)
 
419
 
    def log_message(self, message):
 
 
490
    def log_message(self, message, level=1):
 
 
491
        """Log message formatted with timestamp"""
 
 
492
        if level < self.log_level:
 
420
494
        timestamp = datetime.datetime.now().isoformat()
 
421
 
        self.log_message_raw(timestamp + u": " + message)
 
423
 
    def log_message_raw(self, markup):
 
 
495
        self.log_message_raw("{}: {}".format(timestamp, message),
 
 
498
    def log_message_raw(self, markup, level=1):
 
424
499
        """Add a log message to the log buffer."""
 
 
500
        if level < self.log_level:
 
425
502
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
 
426
 
        if (self.max_log_length
 
427
 
            and len(self.log) > self.max_log_length):
 
428
 
            del self.log[0:len(self.log)-self.max_log_length-1]
 
 
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]
 
429
506
        self.logbox.set_focus(len(self.logbox.body.contents),
 
430
 
                              coming_from=u"above")
 
433
510
    def toggle_log_display(self):
 
434
511
        """Toggle visibility of the log buffer."""
 
435
512
        self.log_visible = not self.log_visible
 
437
 
        self.log_message(u"Log visibility changed to: "
 
438
 
                         + unicode(self.log_visible))
 
 
514
        self.log_message("Log visibility changed to: {}"
 
 
515
                         .format(self.log_visible), level=0)
 
440
517
    def change_log_display(self):
 
441
518
        """Change type of log display.
 
442
519
        Currently, this toggles wrapping of text lines."""
 
443
 
        if self.log_wrap == u"clip":
 
444
 
            self.log_wrap = u"any"
 
 
520
        if self.log_wrap == "clip":
 
 
521
            self.log_wrap = "any"
 
446
 
            self.log_wrap = u"clip"
 
 
523
            self.log_wrap = "clip"
 
447
524
        for textwidget in self.log:
 
448
525
            textwidget.set_wrap_mode(self.log_wrap)
 
449
 
        self.log_message(u"Wrap mode: " + self.log_wrap)
 
451
 
    def find_and_remove_client(self, path, name):
 
452
 
        """Find an client from its object path and remove it.
 
454
 
        This is connected to the ClientRemoved signal from the
 
 
526
        self.log_message("Wrap mode: {}".format(self.log_wrap),
 
 
529
    def find_and_remove_client(self, path, interfaces):
 
 
530
        """Find a client by its object path and remove it.
 
 
532
        This is connected to the InterfacesRemoved signal from the
 
455
533
        Mandos server object."""
 
 
534
        if client_interface not in interfaces:
 
 
535
            # Not a Mandos client object; ignore
 
457
538
            client = self.clients_dict[path]
 
461
 
        self.remove_client(client, path)
 
463
 
    def add_new_client(self, path):
 
 
541
            self.log_message("Unknown client {!r} removed"
 
 
546
    def add_new_client(self, path, ifs_and_props):
 
 
547
        """Find a client by its object path and remove it.
 
 
549
        This is connected to the InterfacesAdded signal from the
 
 
550
        Mandos server object.
 
 
552
        if client_interface not in ifs_and_props:
 
 
553
            # Not a Mandos client object; ignore
 
464
555
        client_proxy_object = self.bus.get_object(self.busname, path)
 
465
 
        self.add_client(MandosClientWidget(server_proxy_object
 
468
 
                                           =client_proxy_object,
 
 
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])),
 
477
565
    def add_client(self, client, path=None):
 
478
566
        self.clients.append(client)
 
480
568
            path = client.proxy.object_path
 
481
569
        self.clients_dict[path] = client
 
482
 
        self.clients.sort(None, lambda c: c.properties[u"name"])
 
 
570
        self.clients.sort(key=lambda c: c.properties["Name"])
 
485
573
    def remove_client(self, client, path=None):
 
486
574
        self.clients.remove(client)
 
488
576
            path = client.proxy.object_path
 
489
577
        del self.clients_dict[path]
 
490
 
        if not self.clients_dict:
 
491
 
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
492
 
            # is completely emptied, we need to recreate it.
 
493
 
            self.clients = urwid.SimpleListWalker([])
 
497
580
    def refresh(self):
 
498
581
        """Redraw the screen"""
 
499
582
        canvas = self.topwidget.render(self.size, focus=True)
 
500
583
        self.screen.draw_screen(self.size, canvas)
 
503
586
        """Start the main loop and exit when it's done."""
 
 
587
        self.bus = dbus.SystemBus()
 
 
588
        mandos_dbus_objc = self.bus.get_object(
 
 
589
            self.busname, "/", follow_name_owner_changes=True)
 
 
590
        self.mandos_serv = dbus.Interface(
 
 
591
            mandos_dbus_objc, dbus_interface=server_interface)
 
 
593
            mandos_clients = (self.mandos_serv
 
 
594
                              .GetAllClientsWithProperties())
 
 
595
            if not mandos_clients:
 
 
596
                self.log_message_raw(("bold",
 
 
597
                                      "Note: Server has no clients."))
 
 
598
        except dbus.exceptions.DBusException:
 
 
599
            self.log_message_raw(("bold",
 
 
600
                                  "Note: No Mandos server running."))
 
 
601
            mandos_clients = dbus.Dictionary()
 
 
604
         .connect_to_signal("InterfacesRemoved",
 
 
605
                            self.find_and_remove_client,
 
 
606
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
 
609
         .connect_to_signal("InterfacesAdded",
 
 
611
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
 
614
         .connect_to_signal("ClientNotFound",
 
 
615
                            self.client_not_found,
 
 
616
                            dbus_interface=server_interface,
 
 
618
        for path, client in mandos_clients.items():
 
 
619
            client_proxy_object = self.bus.get_object(self.busname,
 
 
621
            self.add_client(MandosClientWidget(
 
 
622
                server_proxy_object=self.mandos_serv,
 
 
623
                proxy_object=client_proxy_object,
 
 
625
                update_hook=self.refresh,
 
 
626
                delete_hook=self.remove_client,
 
 
627
                logger=self.log_message),
 
505
 
        self._input_callback_tag = (gobject.io_add_watch
 
 
631
        self._input_callback_tag = (GLib.io_add_watch
 
506
632
                                    (sys.stdin.fileno(),
 
508
634
                                     self.process_input))
 
509
635
        self.main_loop.run()
 
510
636
        # Main loop has finished, we should close everything now
 
511
 
        gobject.source_remove(self._input_callback_tag)
 
 
637
        GLib.source_remove(self._input_callback_tag)
 
512
638
        self.screen.stop()
 
515
641
        self.main_loop.quit()
 
517
643
    def process_input(self, source, condition):
 
518
644
        keys = self.screen.get_input()
 
519
 
        translations = { u"ctrl n": u"down",      # Emacs
 
520
 
                         u"ctrl p": u"up",        # Emacs
 
521
 
                         u"ctrl v": u"page down", # Emacs
 
522
 
                         u"meta v": u"page up",   # Emacs
 
523
 
                         u" ": u"page down",      # less
 
524
 
                         u"f": u"page down",      # less
 
525
 
                         u"b": u"page up",        # less
 
 
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
 
531
657
                key = translations[key]
 
532
658
            except KeyError:    # :-)
 
535
 
            if key == u"q" or key == u"Q":
 
 
661
            if key == "q" or key == "Q":
 
538
 
            elif key == u"window resize":
 
 
664
            elif key == "window resize":
 
539
665
                self.size = self.screen.get_cols_rows()
 
541
 
            elif key == u"\f":  # Ctrl-L
 
 
667
            elif key == "ctrl l":
 
543
 
            elif key == u"l" or key == u"D":
 
 
670
            elif key == "l" or key == "D":
 
544
671
                self.toggle_log_display()
 
546
 
            elif key == u"w" or key == u"i":
 
 
673
            elif key == "w" or key == "i":
 
547
674
                self.change_log_display()
 
549
 
            elif key == u"?" or key == u"f1" or key == u"esc":
 
 
676
            elif key == "?" or key == "f1" or key == "esc":
 
550
677
                if not self.log_visible:
 
551
678
                    self.log_visible = True
 
553
 
                self.log_message_raw((u"bold",
 
557
 
                                            u"l: Log window toggle",
 
558
 
                                            u"TAB: Switch window",
 
560
 
                self.log_message_raw((u"bold",
 
566
 
                                             u"s: Start new checker",
 
 
680
                self.log_message_raw(("bold",
 
 
684
                                            "l: Log window toggle",
 
 
685
                                            "TAB: Switch window",
 
 
686
                                            "w: Wrap (log lines)",
 
 
687
                                            "v: Toggle verbose log",
 
 
689
                self.log_message_raw(("bold",
 
 
695
                                             "s: Start new checker",
 
573
702
                if self.topwidget.get_focus() is self.logbox:
 
574
703
                    self.topwidget.set_focus(0)
 
576
705
                    self.topwidget.set_focus(self.logbox)
 
578
 
            #elif (key == u"end" or key == u"meta >" or key == u"G"
 
580
 
            #    pass            # xxx end-of-buffer
 
581
 
            #elif (key == u"home" or key == u"meta <" or key == u"g"
 
583
 
            #    pass            # xxx beginning-of-buffer
 
584
 
            #elif key == u"ctrl e" or key == u"$":
 
585
 
            #    pass            # xxx move-end-of-line
 
586
 
            #elif key == u"ctrl a" or key == u"^":
 
587
 
            #    pass            # xxx move-beginning-of-line
 
588
 
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
 
590
 
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
 
593
 
            #    pass            # scroll up log
 
595
 
            #    pass            # scroll down log
 
 
708
                if self.log_level == 0:
 
 
710
                    self.log_message("Verbose mode: Off")
 
 
713
                    self.log_message("Verbose mode: On")
 
 
714
            # elif (key == "end" or key == "meta >" or key == "G"
 
 
716
            #     pass            # xxx end-of-buffer
 
 
717
            # elif (key == "home" or key == "meta <" or key == "g"
 
 
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":
 
 
726
            # elif key == "ctrl f" or key == "meta )" or key == "l":
 
 
729
            #     pass            # scroll up log
 
 
731
            #     pass            # scroll down log
 
596
732
            elif self.topwidget.selectable():
 
597
733
                self.topwidget.keypress(self.size, key)
 
601
738
ui = UserInterface()
 
605
 
    ui.log_message(unicode(e))
 
 
741
except KeyboardInterrupt:
 
 
743
except Exception as e:
 
 
744
    ui.log_message(str(e))