15
42
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)
 
22
58
# Some useful constants
 
23
 
domain = 'se.bsnet.fukt'
 
 
59
domain = 'se.recompile'
 
24
60
server_interface = domain + '.Mandos'
 
25
61
client_interface = domain + '.Mandos.Client'
 
28
 
# Always run in monochrome mode
 
29
 
urwid.curses_display.curses.has_colors = lambda : False
 
31
 
# Urwid doesn't support blinking, but we want it.  Since we have no
 
32
 
# use for underline on its own, we make underline also always blink.
 
33
 
urwid.curses_display.curses.A_UNDERLINE |= (
 
34
 
    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
 
36
87
class MandosClientPropertyCache(object):
 
37
88
    """This wraps a Mandos Client D-Bus proxy object, caches the
 
38
89
    properties and calls a hook function when any of them are
 
41
 
    def __init__(self, proxy_object=None, properties=None, *args,
 
43
 
        self.proxy = proxy_object # Mandos Client proxy object
 
45
 
        if properties is None:
 
46
 
            self.properties = dict()
 
48
 
            self.properties = properties
 
49
 
        self.proxy.connect_to_signal(u"PropertyChanged",
 
50
 
                                     self.property_changed,
 
54
 
        if properties is None:
 
55
 
            self.properties.update(self.proxy.GetAll(client_interface,
 
57
 
                                                     dbus.PROPERTIES_IFACE))
 
58
 
        super(MandosClientPropertyCache, self).__init__(
 
59
 
            proxy_object=proxy_object,
 
60
 
            properties=properties, *args, **kwargs)
 
62
 
    def property_changed(self, property=None, value=None):
 
63
 
        """This is called whenever we get a PropertyChanged signal
 
64
 
        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.
 
66
112
        # Update properties dict with new value
 
67
 
        self.properties[property] = value
 
 
113
        if interface == client_interface:
 
 
114
            self.properties.update(properties)
 
 
117
        self.property_changed_match.remove()
 
70
120
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
 
71
121
    """A Mandos Client which is visible on the screen.
 
74
124
    def __init__(self, server_proxy_object=None, update_hook=None,
 
75
 
                 delete_hook=None, logger=None, *args, **kwargs):
 
 
125
                 delete_hook=None, logger=None, **kwargs):
 
76
126
        # Called on update
 
77
127
        self.update_hook = update_hook
 
78
128
        # Called on delete
 
 
81
131
        self.server_proxy_object = server_proxy_object
 
83
133
        self.logger = logger
 
 
135
        self._update_timer_callback_tag = None
 
85
137
        # The widget shown normally
 
86
 
        self._text_widget = urwid.Text(u"")
 
 
138
        self._text_widget = urwid.Text("")
 
87
139
        # The widget shown when we have focus
 
88
 
        self._focus_text_widget = urwid.Text(u"")
 
89
 
        super(MandosClientWidget, self).__init__(
 
90
 
            update_hook=update_hook, delete_hook=delete_hook,
 
 
140
        self._focus_text_widget = urwid.Text("")
 
 
141
        super(MandosClientWidget, self).__init__(**kwargs)
 
93
143
        self.opened = False
 
94
 
        self.proxy.connect_to_signal(u"CheckerCompleted",
 
95
 
                                     self.checker_completed,
 
98
 
        self.proxy.connect_to_signal(u"CheckerStarted",
 
102
 
        self.proxy.connect_to_signal(u"GotSecret",
 
106
 
        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
 
111
182
    def checker_completed(self, exitstatus, condition, command):
 
112
183
        if exitstatus == 0:
 
113
 
            self.logger(u'Checker for client %s (command "%s")'
 
115
 
                        % (self.properties[u"name"], command))
 
 
184
            self.logger('Checker for client {} (command "{}")'
 
 
185
                        ' succeeded'.format(self.properties["Name"],
 
117
190
        if os.WIFEXITED(condition):
 
118
 
            self.logger(u'Checker for client %s (command "%s")'
 
119
 
                        u' failed with exit code %s'
 
120
 
                        % (self.properties[u"name"], command,
 
121
 
                           os.WEXITSTATUS(condition)))
 
123
 
        if os.WIFSIGNALED(condition):
 
124
 
            self.logger(u'Checker for client %s (command "%s")'
 
125
 
                        u' was killed by signal %s'
 
126
 
                        % (self.properties[u"name"], command,
 
127
 
                           os.WTERMSIG(condition)))
 
129
 
        if os.WCOREDUMP(condition):
 
130
 
            self.logger(u'Checker for client %s (command "%s")'
 
132
 
                        % (self.properties[u"name"], command))
 
133
 
        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)))
 
135
202
    def checker_started(self, command):
 
136
 
        self.logger(u'Client %s started checker "%s"'
 
137
 
                    % (self.properties[u"name"], unicode(command)))
 
 
203
        """Server signals that a checker started."""
 
 
204
        self.logger('Client {} started checker "{}"'
 
 
205
                    .format(self.properties["Name"],
 
139
208
    def got_secret(self):
 
140
 
        self.logger(u'Client %s received its secret'
 
141
 
                    % self.properties[u"name"])
 
144
 
        self.logger(u'Client %s was rejected'
 
145
 
                    % self.properties[u"name"])
 
 
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))
 
147
224
    def selectable(self):
 
148
225
        """Make this a "selectable" widget.
 
149
226
        This overrides the method from urwid.FlowWidget."""
 
152
 
    def rows(self, (maxcol,), focus=False):
 
 
229
    def rows(self, maxcolrow, focus=False):
 
153
230
        """How many rows this widget will occupy might depend on
 
154
231
        whether we have focus or not.
 
155
232
        This overrides the method from urwid.FlowWidget"""
 
156
 
        return self.current_widget(focus).rows((maxcol,), focus=focus)
 
 
233
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
158
235
    def current_widget(self, focus=False):
 
159
236
        if focus or self.opened:
 
160
237
            return self._focus_widget
 
161
238
        return self._widget
 
163
240
    def update(self):
 
164
241
        "Called when what is visible on the screen should be updated."
 
165
242
        # How to add standout mode to a style
 
166
 
        with_standout = { u"normal": u"standout",
 
167
 
                          u"bold": u"bold-standout",
 
169
 
                              u"underline-blink-standout",
 
170
 
                          u"bold-underline-blink":
 
171
 
                              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",
 
174
251
        # Rebuild focus and non-focus widgets using current properties
 
175
 
        self._text = (u'%(name)s: %(enabled)s'
 
176
 
                      % { u"name": self.properties[u"name"],
 
179
 
                               if self.properties[u"enabled"]
 
 
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)
 
181
294
        if not urwid.supports_unicode():
 
182
295
            self._text = self._text.encode("ascii", "replace")
 
183
 
        textlist = [(u"normal", self._text)]
 
 
296
        textlist = [("normal", self._text)]
 
184
297
        self._text_widget.set_text(textlist)
 
185
298
        self._focus_text_widget.set_text([(with_standout[text[0]],
 
 
193
306
        # Run update hook, if any
 
194
307
        if self.update_hook is not None:
 
195
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 = ()
 
198
324
        if self.delete_hook is not None:
 
199
325
            self.delete_hook(self)
 
201
 
    def render(self, (maxcol,), focus=False):
 
 
326
        return super(MandosClientWidget, self).delete(**kwargs)
 
 
328
    def render(self, maxcolrow, focus=False):
 
202
329
        """Render differently if we have focus.
 
203
330
        This overrides the method from urwid.FlowWidget"""
 
204
 
        return self.current_widget(focus).render((maxcol,),
 
 
331
        return self.current_widget(focus).render(maxcolrow,
 
207
 
    def keypress(self, (maxcol,), key):
 
 
334
    def keypress(self, maxcolrow, key):
 
209
336
        This overrides the method from urwid.FlowWidget"""
 
210
 
        if key == u"e" or key == u"+":
 
212
 
        elif key == u"d" or key == u"-":
 
214
 
        elif key == u"r" or key == u"_" or key == u"ctrl k":
 
 
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":
 
215
354
            self.server_proxy_object.RemoveClient(self.proxy
 
218
 
            self.proxy.StartChecker()
 
220
 
            self.proxy.StopChecker()
 
222
 
            self.proxy.CheckedOK()
 
 
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,
 
224
 
#         elif key == u"p" or key == "=":
 
 
369
#         elif key == "p" or key == "=":
 
225
370
#             self.proxy.pause()
 
226
 
#         elif key == u"u" or key == ":":
 
 
371
#         elif key == "u" or key == ":":
 
227
372
#             self.proxy.unpause()
 
228
 
#         elif key == u"RET":
 
233
 
    def property_changed(self, property=None, value=None,
 
235
 
        """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.
 
236
380
        This overrides the method from MandosClientPropertyCache"""
 
237
 
        property_name = unicode(property)
 
238
 
        old_value = self.properties.get(property_name)
 
239
 
        super(MandosClientWidget, self).property_changed(
 
240
 
            property=property, value=value, *args, **kwargs)
 
241
 
        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):
 
 
258
404
    """This is the entire user interface - the whole screen
 
259
405
    with boxes, lists of client widgets, etc.
 
261
 
    def __init__(self, max_log_length=1000):
 
 
407
    def __init__(self, max_log_length=1000, log_level=1):
 
262
408
        DBusGMainLoop(set_as_default=True)
 
264
410
        self.screen = urwid.curses_display.Screen()
 
266
412
        self.screen.register_palette((
 
268
 
                 u"default", u"default", None),
 
270
 
                 u"default", u"default", u"bold"),
 
272
 
                 u"default", u"default", u"underline"),
 
274
 
                 u"default", u"default", u"standout"),
 
275
 
                (u"bold-underline-blink",
 
276
 
                 u"default", u"default", (u"bold", u"underline")),
 
278
 
                 u"default", u"default", (u"bold", u"standout")),
 
279
 
                (u"underline-blink-standout",
 
280
 
                 u"default", u"default", (u"underline", u"standout")),
 
281
 
                (u"bold-underline-blink-standout",
 
282
 
                 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"),
 
286
434
        if urwid.supports_unicode():
 
287
 
            self.divider = u"─" # \u2500
 
288
 
            #self.divider = u"━" # \u2501
 
 
435
            self.divider = "─"  # \u2500
 
290
 
            #self.divider = u"-" # \u002d
 
291
 
            self.divider = u"_" # \u005f
 
 
437
            self.divider = "_"  # \u005f
 
293
439
        self.screen.start()
 
295
441
        self.size = self.screen.get_cols_rows()
 
297
443
        self.clients = urwid.SimpleListWalker([])
 
298
444
        self.clients_dict = {}
 
300
446
        # We will add Text widgets to this list
 
 
447
        self.log = urwid.SimpleListWalker([])
 
302
448
        self.max_log_length = max_log_length
 
 
450
        self.log_level = log_level
 
304
452
        # We keep a reference to the log widget so we can remove it
 
305
453
        # from the ListWalker without it getting destroyed
 
306
454
        self.logbox = ConstrainedListBox(self.log)
 
308
456
        # This keeps track of whether self.uilist currently has
 
309
457
        # self.logbox in it or not
 
310
458
        self.log_visible = True
 
311
 
        self.log_wrap = u"any"
 
 
459
        self.log_wrap = "any"
 
314
 
        self.log_message_raw((u"bold",
 
315
 
                              u"Mandos Monitor version " + version))
 
316
 
        self.log_message_raw((u"bold",
 
 
462
        self.log_message_raw(("bold",
 
 
463
                              "Mandos Monitor version " + version))
 
 
464
        self.log_message_raw(("bold",
 
319
467
        self.busname = domain + '.Mandos'
 
320
 
        self.main_loop = gobject.MainLoop()
 
321
 
        self.bus = dbus.SystemBus()
 
322
 
        mandos_dbus_objc = self.bus.get_object(
 
323
 
            self.busname, u"/", follow_name_owner_changes=True)
 
324
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
328
 
            mandos_clients = (self.mandos_serv
 
329
 
                              .GetAllClientsWithProperties())
 
330
 
        except dbus.exceptions.DBusException:
 
331
 
            mandos_clients = dbus.Dictionary()
 
334
 
         .connect_to_signal(u"ClientRemoved",
 
335
 
                            self.find_and_remove_client,
 
336
 
                            dbus_interface=server_interface,
 
339
 
         .connect_to_signal(u"ClientAdded",
 
341
 
                            dbus_interface=server_interface,
 
344
 
         .connect_to_signal(u"ClientNotFound",
 
345
 
                            self.client_not_found,
 
346
 
                            dbus_interface=server_interface,
 
348
 
        for path, client in mandos_clients.iteritems():
 
349
 
            client_proxy_object = self.bus.get_object(self.busname,
 
351
 
            self.add_client(MandosClientWidget(server_proxy_object
 
354
 
                                               =client_proxy_object,
 
 
468
        self.main_loop = GLib.MainLoop()
 
364
470
    def client_not_found(self, fingerprint, address):
 
365
 
        self.log_message((u"Client with address %s and fingerprint %s"
 
366
 
                          u" could not be found" % (address,
 
 
471
        self.log_message("Client with address {} and fingerprint {}"
 
 
472
                         " could not be found"
 
 
473
                         .format(address, fingerprint))
 
369
475
    def rebuild(self):
 
370
476
        """This rebuilds the User Interface.
 
371
477
        Call this when the widget layout needs to change"""
 
373
 
        #self.uilist.append(urwid.ListBox(self.clients))
 
374
 
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
 
375
 
                                       #header=urwid.Divider(),
 
 
479
        # self.uilist.append(urwid.ListBox(self.clients))
 
 
480
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
 
 
482
                                       # header=urwid.Divider(),
 
377
 
                                       footer=urwid.Divider(div_char=self.divider)))
 
 
484
                                       footer=urwid.Divider(
 
 
485
                                           div_char=self.divider)))
 
378
486
        if self.log_visible:
 
379
487
            self.uilist.append(self.logbox)
 
381
488
        self.topwidget = urwid.Pile(self.uilist)
 
383
 
    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:
 
384
494
        timestamp = datetime.datetime.now().isoformat()
 
385
 
        self.log_message_raw(timestamp + u": " + message)
 
387
 
    def log_message_raw(self, markup):
 
 
495
        self.log_message_raw("{}: {}".format(timestamp, message),
 
 
498
    def log_message_raw(self, markup, level=1):
 
388
499
        """Add a log message to the log buffer."""
 
 
500
        if level < self.log_level:
 
389
502
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
 
390
 
        if (self.max_log_length
 
391
 
            and len(self.log) > self.max_log_length):
 
392
 
            del self.log[0:len(self.log)-self.max_log_length-1]
 
393
 
        self.logbox.set_focus(len(self.logbox.body.contents),
 
394
 
                              coming_from=u"above")
 
 
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,
 
397
510
    def toggle_log_display(self):
 
398
511
        """Toggle visibility of the log buffer."""
 
399
512
        self.log_visible = not self.log_visible
 
401
 
        self.log_message(u"Log visibility changed to: "
 
402
 
                         + unicode(self.log_visible))
 
 
514
        self.log_message("Log visibility changed to: {}"
 
 
515
                         .format(self.log_visible), level=0)
 
404
517
    def change_log_display(self):
 
405
518
        """Change type of log display.
 
406
519
        Currently, this toggles wrapping of text lines."""
 
407
 
        if self.log_wrap == u"clip":
 
408
 
            self.log_wrap = u"any"
 
 
520
        if self.log_wrap == "clip":
 
 
521
            self.log_wrap = "any"
 
410
 
            self.log_wrap = u"clip"
 
 
523
            self.log_wrap = "clip"
 
411
524
        for textwidget in self.log:
 
412
525
            textwidget.set_wrap_mode(self.log_wrap)
 
413
 
        self.log_message(u"Wrap mode: " + self.log_wrap)
 
415
 
    def find_and_remove_client(self, path, name):
 
416
 
        """Find an client from its object path and remove it.
 
418
 
        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
 
419
533
        Mandos server object."""
 
 
534
        if client_interface not in interfaces:
 
 
535
            # Not a Mandos client object; ignore
 
421
538
            client = self.clients_dict[path]
 
425
 
        self.remove_client(client, path)
 
427
 
    def add_new_client(self, path, properties):
 
 
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
 
428
555
        client_proxy_object = self.bus.get_object(self.busname, path)
 
429
 
        self.add_client(MandosClientWidget(server_proxy_object
 
432
 
                                           =client_proxy_object,
 
433
 
                                           properties=properties,
 
437
 
                                           =self.remove_client),
 
 
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])),
 
440
565
    def add_client(self, client, path=None):
 
441
566
        self.clients.append(client)
 
443
568
            path = client.proxy.object_path
 
444
569
        self.clients_dict[path] = client
 
445
 
        self.clients.sort(None, lambda c: c.properties[u"name"])
 
 
570
        self.clients.sort(key=lambda c: c.properties["Name"])
 
448
573
    def remove_client(self, client, path=None):
 
449
574
        self.clients.remove(client)
 
451
576
            path = client.proxy.object_path
 
452
577
        del self.clients_dict[path]
 
453
 
        if not self.clients_dict:
 
454
 
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
455
 
            # is completely emptied, we need to recreate it.
 
456
 
            self.clients = urwid.SimpleListWalker([])
 
460
580
    def refresh(self):
 
461
581
        """Redraw the screen"""
 
462
582
        canvas = self.topwidget.render(self.size, focus=True)
 
463
583
        self.screen.draw_screen(self.size, canvas)
 
466
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),
 
468
 
        self._input_callback_tag = (gobject.io_add_watch
 
 
631
        self._input_callback_tag = (GLib.io_add_watch
 
469
632
                                    (sys.stdin.fileno(),
 
471
634
                                     self.process_input))
 
472
635
        self.main_loop.run()
 
473
636
        # Main loop has finished, we should close everything now
 
474
 
        gobject.source_remove(self._input_callback_tag)
 
 
637
        GLib.source_remove(self._input_callback_tag)
 
475
638
        self.screen.stop()
 
478
641
        self.main_loop.quit()
 
480
643
    def process_input(self, source, condition):
 
481
644
        keys = self.screen.get_input()
 
482
 
        translations = { u"ctrl n": u"down",      # Emacs
 
483
 
                         u"ctrl p": u"up",        # Emacs
 
484
 
                         u"ctrl v": u"page down", # Emacs
 
485
 
                         u"meta v": u"page up",   # Emacs
 
486
 
                         u" ": u"page down",      # less
 
487
 
                         u"f": u"page down",      # less
 
488
 
                         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
 
494
657
                key = translations[key]
 
495
658
            except KeyError:    # :-)
 
498
 
            if key == u"q" or key == u"Q":
 
 
661
            if key == "q" or key == "Q":
 
501
 
            elif key == u"window resize":
 
 
664
            elif key == "window resize":
 
502
665
                self.size = self.screen.get_cols_rows()
 
504
 
            elif key == u"\f":  # Ctrl-L
 
 
667
            elif key == "ctrl l":
 
506
 
            elif key == u"l" or key == u"D":
 
 
670
            elif key == "l" or key == "D":
 
507
671
                self.toggle_log_display()
 
509
 
            elif key == u"w" or key == u"i":
 
 
673
            elif key == "w" or key == "i":
 
510
674
                self.change_log_display()
 
512
 
            elif key == u"?" or key == u"f1" or key == u"esc":
 
 
676
            elif key == "?" or key == "f1" or key == "esc":
 
513
677
                if not self.log_visible:
 
514
678
                    self.log_visible = True
 
516
 
                self.log_message_raw((u"bold",
 
520
 
                                            u"l: Log window toggle",
 
521
 
                                            u"TAB: Switch window",
 
523
 
                self.log_message_raw((u"bold",
 
529
 
                                             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",
 
534
702
                if self.topwidget.get_focus() is self.logbox:
 
535
703
                    self.topwidget.set_focus(0)
 
537
705
                    self.topwidget.set_focus(self.logbox)
 
539
 
            #elif (key == u"end" or key == u"meta >" or key == u"G"
 
541
 
            #    pass            # xxx end-of-buffer
 
542
 
            #elif (key == u"home" or key == u"meta <" or key == u"g"
 
544
 
            #    pass            # xxx beginning-of-buffer
 
545
 
            #elif key == u"ctrl e" or key == u"$":
 
546
 
            #    pass            # xxx move-end-of-line
 
547
 
            #elif key == u"ctrl a" or key == u"^":
 
548
 
            #    pass            # xxx move-beginning-of-line
 
549
 
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
 
551
 
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
 
554
 
            #    pass            # scroll up log
 
556
 
            #    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
 
557
732
            elif self.topwidget.selectable():
 
558
733
                self.topwidget.keypress(self.size, key)
 
562
738
ui = UserInterface()
 
 
741
except KeyboardInterrupt:
 
 
743
except Exception as e:
 
 
744
    ui.log_message(str(e))