42
15
from dbus.mainloop.glib import DBusGMainLoop
 
43
 
from gi.repository import GLib
 
51
 
if sys.version_info.major == 2:
 
54
 
locale.setlocale(locale.LC_ALL, '')
 
56
 
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
 
 
24
locale.setlocale(locale.LC_ALL, u'')
 
58
26
# Some useful constants
 
59
 
domain = 'se.recompile'
 
 
27
domain = 'se.bsnet.fukt'
 
60
28
server_interface = domain + '.Mandos'
 
61
29
client_interface = domain + '.Mandos.Client'
 
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
 
 
32
# Always run in monochrome mode
 
 
33
urwid.curses_display.curses.has_colors = lambda : False
 
 
35
# Urwid doesn't support blinking, but we want it.  Since we have no
 
 
36
# use for underline on its own, we make underline also always blink.
 
 
37
urwid.curses_display.curses.A_UNDERLINE |= (
 
 
38
    urwid.curses_display.curses.A_BLINK)
 
87
40
class MandosClientPropertyCache(object):
 
88
41
    """This wraps a Mandos Client D-Bus proxy object, caches the
 
89
42
    properties and calls a hook function when any of them are
 
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.
 
 
45
    def __init__(self, proxy_object=None, *args, **kwargs):
 
 
46
        self.proxy = proxy_object # Mandos Client proxy object
 
 
48
        self.properties = dict()
 
 
49
        self.proxy.connect_to_signal(u"PropertyChanged",
 
 
50
                                     self.property_changed,
 
 
54
        self.properties.update(
 
 
55
            self.proxy.GetAll(client_interface,
 
 
56
                              dbus_interface = dbus.PROPERTIES_IFACE))
 
 
57
        super(MandosClientPropertyCache, self).__init__(
 
 
58
            proxy_object=proxy_object, *args, **kwargs)
 
 
60
    def property_changed(self, property=None, value=None):
 
 
61
        """This is called whenever we get a PropertyChanged signal
 
 
62
        It updates the changed property in the "properties" dict.
 
112
64
        # Update properties dict with new value
 
113
 
        if interface == client_interface:
 
114
 
            self.properties.update(properties)
 
117
 
        self.property_changed_match.remove()
 
 
65
        self.properties[property] = value
 
120
68
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
 
121
69
    """A Mandos Client which is visible on the screen.
 
124
72
    def __init__(self, server_proxy_object=None, update_hook=None,
 
125
 
                 delete_hook=None, logger=None, **kwargs):
 
 
73
                 delete_hook=None, logger=None, *args, **kwargs):
 
126
74
        # Called on update
 
127
75
        self.update_hook = update_hook
 
128
76
        # Called on delete
 
 
131
79
        self.server_proxy_object = server_proxy_object
 
133
81
        self.logger = logger
 
135
 
        self._update_timer_callback_tag = None
 
137
83
        # The widget shown normally
 
138
 
        self._text_widget = urwid.Text("")
 
 
84
        self._text_widget = urwid.Text(u"")
 
139
85
        # The widget shown when we have focus
 
140
 
        self._focus_text_widget = urwid.Text("")
 
141
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
 
86
        self._focus_text_widget = urwid.Text(u"")
 
 
87
        super(MandosClientWidget, self).__init__(
 
 
88
            update_hook=update_hook, delete_hook=delete_hook,
 
143
91
        self.opened = False
 
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
 
 
92
        self.proxy.connect_to_signal(u"CheckerCompleted",
 
 
93
                                     self.checker_completed,
 
 
96
        self.proxy.connect_to_signal(u"CheckerStarted",
 
 
100
        self.proxy.connect_to_signal(u"GotSecret",
 
 
104
        self.proxy.connect_to_signal(u"Rejected",
 
182
109
    def checker_completed(self, exitstatus, condition, command):
 
183
110
        if exitstatus == 0:
 
184
 
            self.logger('Checker for client {} (command "{}")'
 
185
 
                        ' succeeded'.format(self.properties["Name"],
 
 
111
            self.logger(u'Checker for client %s (command "%s")'
 
 
113
                        % (self.properties[u"name"], command))
 
190
115
        if os.WIFEXITED(condition):
 
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)))
 
 
116
            self.logger(u'Checker for client %s (command "%s")'
 
 
117
                        u' failed with exit code %s'
 
 
118
                        % (self.properties[u"name"], command,
 
 
119
                           os.WEXITSTATUS(condition)))
 
 
121
        if os.WIFSIGNALED(condition):
 
 
122
            self.logger(u'Checker for client %s (command "%s")'
 
 
123
                        u' was killed by signal %s'
 
 
124
                        % (self.properties[u"name"], command,
 
 
125
                           os.WTERMSIG(condition)))
 
 
127
        if os.WCOREDUMP(condition):
 
 
128
            self.logger(u'Checker for client %s (command "%s")'
 
 
130
                        % (self.properties[u"name"], command))
 
 
131
        self.logger(u'Checker for client %s completed mysteriously')
 
202
133
    def checker_started(self, command):
 
203
 
        """Server signals that a checker started."""
 
204
 
        self.logger('Client {} started checker "{}"'
 
205
 
                    .format(self.properties["Name"],
 
 
134
        self.logger(u'Client %s started checker "%s"'
 
 
135
                    % (self.properties[u"name"], unicode(command)))
 
208
137
    def got_secret(self):
 
209
 
        self.logger('Client {} received its secret'
 
210
 
                    .format(self.properties["Name"]))
 
212
 
    def need_approval(self, timeout, default):
 
214
 
            message = 'Client {} needs approval within {} seconds'
 
216
 
            message = 'Client {} will get its secret in {} seconds'
 
217
 
        self.logger(message.format(self.properties["Name"],
 
220
 
    def rejected(self, reason):
 
221
 
        self.logger('Client {} was rejected; reason: {}'
 
222
 
                    .format(self.properties["Name"], reason))
 
 
138
        self.logger(u'Client %s received its secret'
 
 
139
                    % self.properties[u"name"])
 
 
142
        self.logger(u'Client %s was rejected'
 
 
143
                    % self.properties[u"name"])
 
224
145
    def selectable(self):
 
225
146
        """Make this a "selectable" widget.
 
226
147
        This overrides the method from urwid.FlowWidget."""
 
229
 
    def rows(self, maxcolrow, focus=False):
 
 
150
    def rows(self, (maxcol,), focus=False):
 
230
151
        """How many rows this widget will occupy might depend on
 
231
152
        whether we have focus or not.
 
232
153
        This overrides the method from urwid.FlowWidget"""
 
233
 
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
 
154
        return self.current_widget(focus).rows((maxcol,), focus=focus)
 
235
156
    def current_widget(self, focus=False):
 
236
157
        if focus or self.opened:
 
237
158
            return self._focus_widget
 
238
159
        return self._widget
 
240
161
    def update(self):
 
241
162
        "Called when what is visible on the screen should be updated."
 
242
163
        # How to add standout mode to a style
 
243
 
        with_standout = {"normal": "standout",
 
244
 
                         "bold": "bold-standout",
 
246
 
                         "underline-blink-standout",
 
247
 
                         "bold-underline-blink":
 
248
 
                         "bold-underline-blink-standout",
 
 
164
        with_standout = { u"normal": u"standout",
 
 
165
                          u"bold": u"bold-standout",
 
 
167
                              u"underline-blink-standout",
 
 
168
                          u"bold-underline-blink":
 
 
169
                              u"bold-underline-blink-standout",
 
251
172
        # Rebuild focus and non-focus widgets using current properties
 
253
 
        # Base part of a client. 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)
 
 
173
        self._text = (u'%(name)s: %(enabled)s'
 
 
174
                      % { u"name": self.properties[u"name"],
 
 
177
                               if self.properties[u"enabled"]
 
294
179
        if not urwid.supports_unicode():
 
295
180
            self._text = self._text.encode("ascii", "replace")
 
296
 
        textlist = [("normal", self._text)]
 
 
181
        textlist = [(u"normal", self._text)]
 
297
182
        self._text_widget.set_text(textlist)
 
298
183
        self._focus_text_widget.set_text([(with_standout[text[0]],
 
 
306
191
        # Run update hook, if any
 
307
192
        if self.update_hook is not None:
 
308
193
            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 = ()
 
324
196
        if self.delete_hook is not None:
 
325
197
            self.delete_hook(self)
 
326
 
        return super(MandosClientWidget, self).delete(**kwargs)
 
328
 
    def render(self, maxcolrow, focus=False):
 
 
199
    def render(self, (maxcol,), focus=False):
 
329
200
        """Render differently if we have focus.
 
330
201
        This overrides the method from urwid.FlowWidget"""
 
331
 
        return self.current_widget(focus).render(maxcolrow,
 
 
202
        return self.current_widget(focus).render((maxcol,),
 
334
 
    def keypress(self, maxcolrow, key):
 
 
205
    def keypress(self, (maxcol,), key):
 
336
207
        This overrides the method from urwid.FlowWidget"""
 
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)
 
346
 
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
 
347
 
                               dbus_interface=client_interface,
 
350
 
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
 
351
 
                               dbus_interface=client_interface,
 
353
 
        elif key == "R" or key == "_" or key == "ctrl k":
 
 
208
        if key == u"e" or key == u"+":
 
 
210
        elif key == u"d" or key == u"-":
 
 
212
        elif key == u"r" or key == u"_" or key == u"ctrl k":
 
354
213
            self.server_proxy_object.RemoveClient(self.proxy
 
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,
 
 
216
            self.proxy.StartChecker()
 
 
218
            self.proxy.StopChecker()
 
 
220
            self.proxy.CheckedOK()
 
369
 
#         elif key == "p" or key == "=":
 
 
222
#         elif key == u"p" or key == "=":
 
370
223
#             self.proxy.pause()
 
371
 
#         elif key == "u" or key == ":":
 
 
224
#         elif key == u"u" or key == ":":
 
372
225
#             self.proxy.unpause()
 
 
226
#         elif key == u"RET":
 
378
 
    def properties_changed(self, interface, properties, invalidated):
 
379
 
        """Call self.update() if any properties changed.
 
 
231
    def property_changed(self, property=None, value=None,
 
 
233
        """Call self.update() if old value is not new value.
 
380
234
        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):
 
 
235
        property_name = unicode(property)
 
 
236
        old_value = self.properties.get(property_name)
 
 
237
        super(MandosClientWidget, self).property_changed(
 
 
238
            property=property, value=value, *args, **kwargs)
 
 
239
        if self.properties.get(property_name) != old_value:
 
 
404
256
    """This is the entire user interface - the whole screen
 
405
257
    with boxes, lists of client widgets, etc.
 
407
 
    def __init__(self, max_log_length=1000, log_level=1):
 
 
259
    def __init__(self, max_log_length=1000):
 
408
260
        DBusGMainLoop(set_as_default=True)
 
410
262
        self.screen = urwid.curses_display.Screen()
 
412
264
        self.screen.register_palette((
 
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"),
 
 
266
                 u"default", u"default", None),
 
 
268
                 u"default", u"default", u"bold"),
 
 
270
                 u"default", u"default", u"underline"),
 
 
272
                 u"default", u"default", u"standout"),
 
 
273
                (u"bold-underline-blink",
 
 
274
                 u"default", u"default", (u"bold", u"underline")),
 
 
276
                 u"default", u"default", (u"bold", u"standout")),
 
 
277
                (u"underline-blink-standout",
 
 
278
                 u"default", u"default", (u"underline", u"standout")),
 
 
279
                (u"bold-underline-blink-standout",
 
 
280
                 u"default", u"default", (u"bold", u"underline",
 
434
284
        if urwid.supports_unicode():
 
435
 
            self.divider = "─"  # \u2500
 
 
285
            self.divider = u"─" # \u2500
 
 
286
            #self.divider = u"━" # \u2501
 
437
 
            self.divider = "_"  # \u005f
 
 
288
            #self.divider = u"-" # \u002d
 
 
289
            self.divider = u"_" # \u005f
 
439
291
        self.screen.start()
 
441
293
        self.size = self.screen.get_cols_rows()
 
443
295
        self.clients = urwid.SimpleListWalker([])
 
444
296
        self.clients_dict = {}
 
446
298
        # We will add Text widgets to this list
 
447
 
        self.log = urwid.SimpleListWalker([])
 
448
300
        self.max_log_length = max_log_length
 
450
 
        self.log_level = log_level
 
452
302
        # We keep a reference to the log widget so we can remove it
 
453
303
        # from the ListWalker without it getting destroyed
 
454
304
        self.logbox = ConstrainedListBox(self.log)
 
456
306
        # This keeps track of whether self.uilist currently has
 
457
307
        # self.logbox in it or not
 
458
308
        self.log_visible = True
 
459
 
        self.log_wrap = "any"
 
 
309
        self.log_wrap = u"any"
 
462
 
        self.log_message_raw(("bold",
 
463
 
                              "Mandos Monitor version " + version))
 
464
 
        self.log_message_raw(("bold",
 
 
312
        self.log_message_raw((u"bold",
 
 
313
                              u"Mandos Monitor version " + version))
 
 
314
        self.log_message_raw((u"bold",
 
467
317
        self.busname = domain + '.Mandos'
 
468
 
        self.main_loop = GLib.MainLoop()
 
 
318
        self.main_loop = gobject.MainLoop()
 
 
319
        self.bus = dbus.SystemBus()
 
 
320
        mandos_dbus_objc = self.bus.get_object(
 
 
321
            self.busname, u"/", follow_name_owner_changes=True)
 
 
322
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
 
326
            mandos_clients = (self.mandos_serv
 
 
327
                              .GetAllClientsWithProperties())
 
 
328
        except dbus.exceptions.DBusException:
 
 
329
            mandos_clients = dbus.Dictionary()
 
 
332
         .connect_to_signal(u"ClientRemoved",
 
 
333
                            self.find_and_remove_client,
 
 
334
                            dbus_interface=server_interface,
 
 
337
         .connect_to_signal(u"ClientAdded",
 
 
339
                            dbus_interface=server_interface,
 
 
342
         .connect_to_signal(u"ClientNotFound",
 
 
343
                            self.client_not_found,
 
 
344
                            dbus_interface=server_interface,
 
 
346
        for path, client in mandos_clients.iteritems():
 
 
347
            client_proxy_object = self.bus.get_object(self.busname,
 
 
349
            self.add_client(MandosClientWidget(server_proxy_object
 
 
352
                                               =client_proxy_object,
 
470
362
    def client_not_found(self, fingerprint, address):
 
471
 
        self.log_message("Client with address {} and fingerprint {}"
 
472
 
                         " could not be found"
 
473
 
                         .format(address, fingerprint))
 
 
363
        self.log_message((u"Client with address %s and fingerprint %s"
 
 
364
                          u" could not be found" % (address,
 
475
367
    def rebuild(self):
 
476
368
        """This rebuilds the User Interface.
 
477
369
        Call this when the widget layout needs to change"""
 
479
 
        # self.uilist.append(urwid.ListBox(self.clients))
 
480
 
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
 
482
 
                                       # header=urwid.Divider(),
 
 
371
        #self.uilist.append(urwid.ListBox(self.clients))
 
 
372
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
 
 
373
                                       #header=urwid.Divider(),
 
484
 
                                       footer=urwid.Divider(
 
485
 
                                           div_char=self.divider)))
 
 
375
                                       footer=urwid.Divider(div_char=self.divider)))
 
486
376
        if self.log_visible:
 
487
377
            self.uilist.append(self.logbox)
 
488
379
        self.topwidget = urwid.Pile(self.uilist)
 
490
 
    def log_message(self, message, level=1):
 
491
 
        """Log message formatted with timestamp"""
 
492
 
        if level < self.log_level:
 
 
381
    def log_message(self, message):
 
494
382
        timestamp = datetime.datetime.now().isoformat()
 
495
 
        self.log_message_raw("{}: {}".format(timestamp, message),
 
498
 
    def log_message_raw(self, markup, level=1):
 
 
383
        self.log_message_raw(timestamp + u": " + message)
 
 
385
    def log_message_raw(self, markup):
 
499
386
        """Add a log message to the log buffer."""
 
500
 
        if level < self.log_level:
 
502
387
        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,
 
 
388
        if (self.max_log_length
 
 
389
            and len(self.log) > self.max_log_length):
 
 
390
            del self.log[0:len(self.log)-self.max_log_length-1]
 
 
391
        self.logbox.set_focus(len(self.logbox.body.contents),
 
 
392
                              coming_from=u"above")
 
510
395
    def toggle_log_display(self):
 
511
396
        """Toggle visibility of the log buffer."""
 
512
397
        self.log_visible = not self.log_visible
 
514
 
        self.log_message("Log visibility changed to: {}"
 
515
 
                         .format(self.log_visible), level=0)
 
 
399
        self.log_message(u"Log visibility changed to: "
 
 
400
                         + unicode(self.log_visible))
 
517
402
    def change_log_display(self):
 
518
403
        """Change type of log display.
 
519
404
        Currently, this toggles wrapping of text lines."""
 
520
 
        if self.log_wrap == "clip":
 
521
 
            self.log_wrap = "any"
 
 
405
        if self.log_wrap == u"clip":
 
 
406
            self.log_wrap = u"any"
 
523
 
            self.log_wrap = "clip"
 
 
408
            self.log_wrap = u"clip"
 
524
409
        for textwidget in self.log:
 
525
410
            textwidget.set_wrap_mode(self.log_wrap)
 
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
 
 
411
        self.log_message(u"Wrap mode: " + self.log_wrap)
 
 
413
    def find_and_remove_client(self, path, name):
 
 
414
        """Find an client from its object path and remove it.
 
 
416
        This is connected to the ClientRemoved signal from the
 
533
417
        Mandos server object."""
 
534
 
        if client_interface not in interfaces:
 
535
 
            # Not a Mandos client object; ignore
 
538
419
            client = self.clients_dict[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
 
 
423
        self.remove_client(client, path)
 
 
425
    def add_new_client(self, path):
 
555
426
        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])),
 
 
427
        self.add_client(MandosClientWidget(server_proxy_object
 
 
430
                                           =client_proxy_object,
 
565
439
    def add_client(self, client, path=None):
 
566
440
        self.clients.append(client)
 
568
442
            path = client.proxy.object_path
 
569
443
        self.clients_dict[path] = client
 
570
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
 
444
        self.clients.sort(None, lambda c: c.properties[u"name"])
 
573
447
    def remove_client(self, client, path=None):
 
574
448
        self.clients.remove(client)
 
576
450
            path = client.proxy.object_path
 
577
451
        del self.clients_dict[path]
 
 
452
        if not self.clients_dict:
 
 
453
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
 
454
            # is completely emptied, we need to recreate it.
 
 
455
            self.clients = urwid.SimpleListWalker([])
 
580
459
    def refresh(self):
 
581
460
        """Redraw the screen"""
 
582
461
        canvas = self.topwidget.render(self.size, focus=True)
 
583
462
        self.screen.draw_screen(self.size, canvas)
 
586
465
        """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),
 
631
 
        self._input_callback_tag = (GLib.io_add_watch
 
 
467
        self._input_callback_tag = (gobject.io_add_watch
 
632
468
                                    (sys.stdin.fileno(),
 
634
470
                                     self.process_input))
 
635
471
        self.main_loop.run()
 
636
472
        # Main loop has finished, we should close everything now
 
637
 
        GLib.source_remove(self._input_callback_tag)
 
 
473
        gobject.source_remove(self._input_callback_tag)
 
638
474
        self.screen.stop()
 
641
477
        self.main_loop.quit()
 
643
479
    def process_input(self, source, condition):
 
644
480
        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
 
 
481
        translations = { u"ctrl n": u"down",      # Emacs
 
 
482
                         u"ctrl p": u"up",        # Emacs
 
 
483
                         u"ctrl v": u"page down", # Emacs
 
 
484
                         u"meta v": u"page up",   # Emacs
 
 
485
                         u" ": u"page down",      # less
 
 
486
                         u"f": u"page down",      # less
 
 
487
                         u"b": u"page up",        # less
 
657
493
                key = translations[key]
 
658
494
            except KeyError:    # :-)
 
661
 
            if key == "q" or key == "Q":
 
 
497
            if key == u"q" or key == u"Q":
 
664
 
            elif key == "window resize":
 
 
500
            elif key == u"window resize":
 
665
501
                self.size = self.screen.get_cols_rows()
 
667
 
            elif key == "ctrl l":
 
 
503
            elif key == u"\f":  # Ctrl-L
 
670
 
            elif key == "l" or key == "D":
 
 
505
            elif key == u"l" or key == u"D":
 
671
506
                self.toggle_log_display()
 
673
 
            elif key == "w" or key == "i":
 
 
508
            elif key == u"w" or key == u"i":
 
674
509
                self.change_log_display()
 
676
 
            elif key == "?" or key == "f1" or key == "esc":
 
 
511
            elif key == u"?" or key == u"f1" or key == u"esc":
 
677
512
                if not self.log_visible:
 
678
513
                    self.log_visible = True
 
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",
 
 
515
                self.log_message_raw((u"bold",
 
 
519
                                            u"l: Log window toggle",
 
 
520
                                            u"TAB: Switch window",
 
 
522
                self.log_message_raw((u"bold",
 
 
528
                                             u"s: Start new checker",
 
702
533
                if self.topwidget.get_focus() is self.logbox:
 
703
534
                    self.topwidget.set_focus(0)
 
705
536
                    self.topwidget.set_focus(self.logbox)
 
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
 
 
538
            #elif (key == u"end" or key == u"meta >" or key == u"G"
 
 
540
            #    pass            # xxx end-of-buffer
 
 
541
            #elif (key == u"home" or key == u"meta <" or key == u"g"
 
 
543
            #    pass            # xxx beginning-of-buffer
 
 
544
            #elif key == u"ctrl e" or key == u"$":
 
 
545
            #    pass            # xxx move-end-of-line
 
 
546
            #elif key == u"ctrl a" or key == u"^":
 
 
547
            #    pass            # xxx move-beginning-of-line
 
 
548
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
 
 
550
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
 
 
553
            #    pass            # scroll up log
 
 
555
            #    pass            # scroll down log
 
732
556
            elif self.topwidget.selectable():
 
733
557
                self.topwidget.keypress(self.size, key)
 
738
561
ui = UserInterface()
 
741
 
except KeyboardInterrupt:
 
743
 
except Exception as e:
 
744
 
    ui.log_message(str(e))
 
 
565
    ui.log_message(unicode(e))