41
15
from dbus.mainloop.glib import DBusGMainLoop
 
42
 
from gi.repository import GLib
 
 
24
locale.setlocale(locale.LC_ALL, u'')
 
50
 
if sys.version_info.major == 2:
 
53
 
locale.setlocale(locale.LC_ALL, '')
 
55
27
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
 
57
29
# Some useful constants
 
58
 
domain = 'se.recompile'
 
 
30
domain = 'se.bsnet.fukt'
 
59
31
server_interface = domain + '.Mandos'
 
60
32
client_interface = domain + '.Mandos.Client'
 
64
 
    dbus.OBJECT_MANAGER_IFACE
 
65
 
except AttributeError:
 
66
 
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
 
 
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)
 
69
43
def isoformat_to_datetime(iso):
 
70
44
    "Parse an ISO 8601 date string to a datetime.datetime()"
 
73
 
    d, t = iso.split("T", 1)
 
74
 
    year, month, day = d.split("-", 2)
 
75
 
    hour, minute, second = t.split(":", 2)
 
 
47
    d, t = iso.split(u"T", 1)
 
 
48
    year, month, day = d.split(u"-", 2)
 
 
49
    hour, minute, second = t.split(u":", 2)
 
76
50
    second, fraction = divmod(float(second), 1)
 
77
51
    return datetime.datetime(int(year),
 
82
 
                             int(second),            # Whole seconds
 
83
 
                             int(fraction*1000000))  # Microseconds
 
 
56
                             int(second),           # Whole seconds
 
 
57
                             int(fraction*1000000)) # Microseconds
 
86
59
class MandosClientPropertyCache(object):
 
87
60
    """This wraps a Mandos Client D-Bus proxy object, caches the
 
88
61
    properties and calls a hook function when any of them are
 
91
 
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
92
 
        self.proxy = proxy_object  # Mandos Client proxy object
 
93
 
        self.properties = dict() if properties is None else properties
 
94
 
        self.property_changed_match = (
 
95
 
            self.proxy.connect_to_signal("PropertiesChanged",
 
96
 
                                         self.properties_changed,
 
97
 
                                         dbus.PROPERTIES_IFACE,
 
100
 
        if properties is None:
 
101
 
            self.properties.update(self.proxy.GetAll(
 
103
 
                dbus_interface=dbus.PROPERTIES_IFACE))
 
105
 
        super(MandosClientPropertyCache, self).__init__(**kwargs)
 
107
 
    def properties_changed(self, interface, properties, invalidated):
 
108
 
        """This is called whenever we get a PropertiesChanged signal
 
109
 
        It updates the changed properties in the "properties" dict.
 
 
64
    def __init__(self, proxy_object=None, *args, **kwargs):
 
 
65
        self.proxy = proxy_object # Mandos Client proxy object
 
 
67
        self.properties = dict()
 
 
68
        self.proxy.connect_to_signal(u"PropertyChanged",
 
 
69
                                     self.property_changed,
 
 
73
        self.properties.update(
 
 
74
            self.proxy.GetAll(client_interface,
 
 
75
                              dbus_interface = dbus.PROPERTIES_IFACE))
 
 
77
        #XXX This break good super behaviour!
 
 
78
#        super(MandosClientPropertyCache, self).__init__(
 
 
81
    def property_changed(self, property=None, value=None):
 
 
82
        """This is called whenever we get a PropertyChanged signal
 
 
83
        It updates the changed property in the "properties" dict.
 
111
85
        # Update properties dict with new value
 
112
 
        if interface == client_interface:
 
113
 
            self.properties.update(properties)
 
116
 
        self.property_changed_match.remove()
 
 
86
        self.properties[property] = value
 
119
89
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
 
120
90
    """A Mandos Client which is visible on the screen.
 
123
93
    def __init__(self, server_proxy_object=None, update_hook=None,
 
124
 
                 delete_hook=None, logger=None, **kwargs):
 
 
94
                 delete_hook=None, logger=None, *args, **kwargs):
 
125
95
        # Called on update
 
126
96
        self.update_hook = update_hook
 
127
97
        # Called on delete
 
 
130
100
        self.server_proxy_object = server_proxy_object
 
132
102
        self.logger = logger
 
134
104
        self._update_timer_callback_tag = None
 
 
105
        self.last_checker_failed = False
 
136
107
        # The widget shown normally
 
137
 
        self._text_widget = urwid.Text("")
 
 
108
        self._text_widget = urwid.Text(u"")
 
138
109
        # The widget shown when we have focus
 
139
 
        self._focus_text_widget = urwid.Text("")
 
140
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
 
110
        self._focus_text_widget = urwid.Text(u"")
 
 
111
        super(MandosClientWidget, self).__init__(
 
 
112
            update_hook=update_hook, delete_hook=delete_hook,
 
142
115
        self.opened = False
 
144
 
        self.match_objects = (
 
145
 
            self.proxy.connect_to_signal("CheckerCompleted",
 
146
 
                                         self.checker_completed,
 
149
 
            self.proxy.connect_to_signal("CheckerStarted",
 
150
 
                                         self.checker_started,
 
153
 
            self.proxy.connect_to_signal("GotSecret",
 
157
 
            self.proxy.connect_to_signal("NeedApproval",
 
161
 
            self.proxy.connect_to_signal("Rejected",
 
165
 
        self.logger('Created client {}'
 
166
 
                    .format(self.properties["Name"]), level=0)
 
168
 
    def using_timer(self, flag):
 
169
 
        """Call this method with True or False when timer should be
 
170
 
        activated or deactivated.
 
172
 
        if flag and self._update_timer_callback_tag is None:
 
173
 
            # Will update the shown timer value every second
 
174
 
            self._update_timer_callback_tag = (GLib.timeout_add
 
 
116
        self.proxy.connect_to_signal(u"CheckerCompleted",
 
 
117
                                     self.checker_completed,
 
 
120
        self.proxy.connect_to_signal(u"CheckerStarted",
 
 
121
                                     self.checker_started,
 
 
124
        self.proxy.connect_to_signal(u"GotSecret",
 
 
128
        self.proxy.connect_to_signal(u"NeedApproval",
 
 
132
        self.proxy.connect_to_signal(u"Rejected",
 
 
136
        last_checked_ok = isoformat_to_datetime(self.properties
 
 
138
        if last_checked_ok is None:
 
 
139
            self.last_checker_failed = True
 
 
141
            self.last_checker_failed = ((datetime.datetime.utcnow()
 
 
145
                                         self.properties["interval"]))
 
 
146
        if self.last_checker_failed:
 
 
147
            self._update_timer_callback_tag = (gobject.timeout_add
 
176
149
                                                self.update_timer))
 
177
 
        elif not (flag or self._update_timer_callback_tag is None):
 
178
 
            GLib.source_remove(self._update_timer_callback_tag)
 
179
 
            self._update_timer_callback_tag = None
 
181
151
    def checker_completed(self, exitstatus, condition, command):
 
182
152
        if exitstatus == 0:
 
183
 
            self.logger('Checker for client {} (command "{}")'
 
184
 
                        ' succeeded'.format(self.properties["Name"],
 
 
153
            if self.last_checker_failed:
 
 
154
                self.last_checker_failed = False
 
 
155
                gobject.source_remove(self._update_timer_callback_tag)
 
 
156
                self._update_timer_callback_tag = None
 
 
157
            self.logger(u'Checker for client %s (command "%s")'
 
 
159
                        % (self.properties[u"name"], command))
 
 
163
        if not self.last_checker_failed:
 
 
164
            self.last_checker_failed = True
 
 
165
            self._update_timer_callback_tag = (gobject.timeout_add
 
189
168
        if os.WIFEXITED(condition):
 
190
 
            self.logger('Checker for client {} (command "{}") failed'
 
192
 
                        .format(self.properties["Name"], command,
 
193
 
                                os.WEXITSTATUS(condition)))
 
 
169
            self.logger(u'Checker for client %s (command "%s")'
 
 
170
                        u' failed with exit code %s'
 
 
171
                        % (self.properties[u"name"], command,
 
 
172
                           os.WEXITSTATUS(condition)))
 
194
173
        elif os.WIFSIGNALED(condition):
 
195
 
            self.logger('Checker for client {} (command "{}") was'
 
196
 
                        ' killed by signal {}'
 
197
 
                        .format(self.properties["Name"], command,
 
198
 
                                os.WTERMSIG(condition)))
 
 
174
            self.logger(u'Checker for client %s (command "%s")'
 
 
175
                        u' was killed by signal %s'
 
 
176
                        % (self.properties[u"name"], command,
 
 
177
                           os.WTERMSIG(condition)))
 
 
178
        elif os.WCOREDUMP(condition):
 
 
179
            self.logger(u'Checker for client %s (command "%s")'
 
 
181
                        % (self.properties[u"name"], command))
 
 
183
            self.logger(u'Checker for client %s completed mysteriously')
 
201
186
    def checker_started(self, command):
 
202
 
        """Server signals that a checker started."""
 
203
 
        self.logger('Client {} started checker "{}"'
 
204
 
                    .format(self.properties["Name"],
 
 
187
        #self.logger(u'Client %s started checker "%s"'
 
 
188
        #            % (self.properties[u"name"], unicode(command)))
 
207
191
    def got_secret(self):
 
208
 
        self.logger('Client {} received its secret'
 
209
 
                    .format(self.properties["Name"]))
 
 
192
        self.logger(u'Client %s received its secret'
 
 
193
                    % self.properties[u"name"])
 
211
195
    def need_approval(self, timeout, default):
 
213
 
            message = 'Client {} needs approval within {} seconds'
 
 
197
            message = u'Client %s needs approval within %s seconds'
 
215
 
            message = 'Client {} will get its secret in {} seconds'
 
216
 
        self.logger(message.format(self.properties["Name"],
 
 
199
            message = u'Client %s will get its secret in %s seconds'
 
 
201
                    % (self.properties[u"name"], timeout/1000))
 
219
203
    def rejected(self, reason):
 
220
 
        self.logger('Client {} was rejected; reason: {}'
 
221
 
                    .format(self.properties["Name"], reason))
 
 
204
        self.logger(u'Client %s was rejected; reason: %s'
 
 
205
                    % (self.properties[u"name"], reason))
 
223
207
    def selectable(self):
 
224
208
        """Make this a "selectable" widget.
 
225
209
        This overrides the method from urwid.FlowWidget."""
 
228
 
    def rows(self, maxcolrow, focus=False):
 
 
212
    def rows(self, (maxcol,), focus=False):
 
229
213
        """How many rows this widget will occupy might depend on
 
230
214
        whether we have focus or not.
 
231
215
        This overrides the method from urwid.FlowWidget"""
 
232
 
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
 
216
        return self.current_widget(focus).rows((maxcol,), focus=focus)
 
234
218
    def current_widget(self, focus=False):
 
235
219
        if focus or self.opened:
 
236
220
            return self._focus_widget
 
237
221
        return self._widget
 
239
223
    def update(self):
 
240
224
        "Called when what is visible on the screen should be updated."
 
241
225
        # How to add standout mode to a style
 
242
 
        with_standout = {"normal": "standout",
 
243
 
                         "bold": "bold-standout",
 
245
 
                         "underline-blink-standout",
 
246
 
                         "bold-underline-blink":
 
247
 
                         "bold-underline-blink-standout",
 
 
226
        with_standout = { u"normal": u"standout",
 
 
227
                          u"bold": u"bold-standout",
 
 
229
                              u"underline-blink-standout",
 
 
230
                          u"bold-underline-blink":
 
 
231
                              u"bold-underline-blink-standout",
 
250
234
        # Rebuild focus and non-focus widgets using current properties
 
252
236
        # Base part of a client. Name!
 
253
 
        base = '{name}: '.format(name=self.properties["Name"])
 
254
 
        if not self.properties["Enabled"]:
 
256
 
            self.using_timer(False)
 
257
 
        elif self.properties["ApprovalPending"]:
 
258
 
            timeout = datetime.timedelta(
 
259
 
                milliseconds=self.properties["ApprovalDelay"])
 
260
 
            last_approval_request = isoformat_to_datetime(
 
261
 
                self.properties["LastApprovalRequest"])
 
262
 
            if last_approval_request is not None:
 
263
 
                timer = max(timeout - (datetime.datetime.utcnow()
 
264
 
                                       - last_approval_request),
 
265
 
                            datetime.timedelta())
 
267
 
                timer = datetime.timedelta()
 
268
 
            if self.properties["ApprovedByDefault"]:
 
269
 
                message = "Approval in {}. (d)eny?"
 
271
 
                message = "Denial in {}. (a)pprove?"
 
272
 
            message = message.format(str(timer).rsplit(".", 1)[0])
 
273
 
            self.using_timer(True)
 
274
 
        elif self.properties["LastCheckerStatus"] != 0:
 
275
 
            # When checker has failed, show timer until client expires
 
276
 
            expires = self.properties["Expires"]
 
278
 
                timer = datetime.timedelta(0)
 
280
 
                expires = (datetime.datetime.strptime
 
281
 
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
 
282
 
                timer = max(expires - datetime.datetime.utcnow(),
 
283
 
                            datetime.timedelta())
 
284
 
            message = ('A checker has failed! Time until client'
 
286
 
                       .format(str(timer).rsplit(".", 1)[0]))
 
287
 
            self.using_timer(True)
 
 
237
        base = (u'%(name)s: '
 
 
238
                      % {u"name": self.properties[u"name"]})
 
 
239
        if not self.properties[u"enabled"]:
 
 
240
            message = u"DISABLED"
 
 
241
        elif self.last_checker_failed:
 
 
242
            timeout = datetime.timedelta(milliseconds
 
 
243
                                         = self.properties[u"timeout"])
 
 
244
            last_ok = isoformat_to_datetime(
 
 
245
                max((self.properties["last_checked_ok"]
 
 
246
                     or self.properties["created"]),
 
 
247
                    self.properties[u"last_enabled"]))
 
 
248
            timer = timeout - (datetime.datetime.utcnow() - last_ok)
 
 
250
            message = (u'A checker has failed! Time until client gets diabled: %s'
 
 
252
        elif self.properties[u"approved_pending"]:
 
 
253
            if self.properties[u"approved_by_default"]:
 
 
254
                message = u"Connection established to client. (d)eny?"
 
 
256
                message = u"Seeks approval to send secret. (a)pprove?"
 
290
 
            self.using_timer(False)
 
291
 
        self._text = "{}{}".format(base, message)
 
 
259
        self._text = "%s%s" % (base, message)
 
293
261
        if not urwid.supports_unicode():
 
294
262
            self._text = self._text.encode("ascii", "replace")
 
295
 
        textlist = [("normal", self._text)]
 
 
263
        textlist = [(u"normal", self._text)]
 
296
264
        self._text_widget.set_text(textlist)
 
297
265
        self._focus_text_widget.set_text([(with_standout[text[0]],
 
 
305
273
        # Run update hook, if any
 
306
274
        if self.update_hook is not None:
 
307
275
            self.update_hook()
 
309
277
    def update_timer(self):
 
310
 
        """called by GLib. Will indefinitely loop until
 
311
 
        GLib.source_remove() on tag is called
 
314
280
        return True             # Keep calling this
 
316
 
    def delete(self, **kwargs):
 
317
283
        if self._update_timer_callback_tag is not None:
 
318
 
            GLib.source_remove(self._update_timer_callback_tag)
 
 
284
            gobject.source_remove(self._update_timer_callback_tag)
 
319
285
            self._update_timer_callback_tag = None
 
320
 
        for match in self.match_objects:
 
322
 
        self.match_objects = ()
 
323
286
        if self.delete_hook is not None:
 
324
287
            self.delete_hook(self)
 
325
 
        return super(MandosClientWidget, self).delete(**kwargs)
 
327
 
    def render(self, maxcolrow, focus=False):
 
 
289
    def render(self, (maxcol,), focus=False):
 
328
290
        """Render differently if we have focus.
 
329
291
        This overrides the method from urwid.FlowWidget"""
 
330
 
        return self.current_widget(focus).render(maxcolrow,
 
 
292
        return self.current_widget(focus).render((maxcol,),
 
333
 
    def keypress(self, maxcolrow, key):
 
 
295
    def keypress(self, (maxcol,), key):
 
335
297
        This overrides the method from urwid.FlowWidget"""
 
337
 
            self.proxy.Set(client_interface, "Enabled",
 
338
 
                           dbus.Boolean(True), ignore_reply=True,
 
339
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
341
 
            self.proxy.Set(client_interface, "Enabled", False,
 
343
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
 
299
            self.proxy.Enable(dbus_interface = client_interface)
 
 
301
            self.proxy.Disable(dbus_interface = client_interface)
 
345
303
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
 
346
 
                               dbus_interface=client_interface,
 
 
304
                               dbus_interface = client_interface)
 
349
306
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
 
350
 
                               dbus_interface=client_interface,
 
352
 
        elif key == "R" or key == "_" or key == "ctrl k":
 
 
307
                                  dbus_interface = client_interface)
 
 
308
        elif key == u"r" or key == u"_" or key == u"ctrl k":
 
353
309
            self.server_proxy_object.RemoveClient(self.proxy
 
357
 
            self.proxy.Set(client_interface, "CheckerRunning",
 
358
 
                           dbus.Boolean(True), ignore_reply=True,
 
359
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
361
 
            self.proxy.Set(client_interface, "CheckerRunning",
 
362
 
                           dbus.Boolean(False), ignore_reply=True,
 
363
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
365
 
            self.proxy.CheckedOK(dbus_interface=client_interface,
 
 
312
            self.proxy.StartChecker(dbus_interface = client_interface)
 
 
314
            self.proxy.StopChecker(dbus_interface = client_interface)
 
 
316
            self.proxy.CheckedOK(dbus_interface = client_interface)
 
368
 
#         elif key == "p" or key == "=":
 
 
318
#         elif key == u"p" or key == "=":
 
369
319
#             self.proxy.pause()
 
370
 
#         elif key == "u" or key == ":":
 
 
320
#         elif key == u"u" or key == ":":
 
371
321
#             self.proxy.unpause()
 
 
322
#         elif key == u"RET":
 
 
325
#            self.proxy.Approve(True)
 
 
327
#            self.proxy.Approve(False)
 
377
 
    def properties_changed(self, interface, properties, invalidated):
 
378
 
        """Call self.update() if any properties changed.
 
 
331
    def property_changed(self, property=None, value=None,
 
 
333
        """Call self.update() if old value is not new value.
 
379
334
        This overrides the method from MandosClientPropertyCache"""
 
380
 
        old_values = {key: self.properties.get(key)
 
381
 
                      for key in properties.keys()}
 
382
 
        super(MandosClientWidget, self).properties_changed(
 
383
 
            interface, properties, invalidated)
 
384
 
        if any(old_values[key] != self.properties.get(key)
 
385
 
               for key in old_values):
 
 
335
        property_name = unicode(property)
 
 
336
        old_value = self.properties.get(property_name)
 
 
337
        super(MandosClientWidget, self).property_changed(
 
 
338
            property=property, value=value, *args, **kwargs)
 
 
339
        if self.properties.get(property_name) != old_value:
 
 
403
356
    """This is the entire user interface - the whole screen
 
404
357
    with boxes, lists of client widgets, etc.
 
406
 
    def __init__(self, max_log_length=1000, log_level=1):
 
 
359
    def __init__(self, max_log_length=1000):
 
407
360
        DBusGMainLoop(set_as_default=True)
 
409
362
        self.screen = urwid.curses_display.Screen()
 
411
364
        self.screen.register_palette((
 
413
 
                 "default", "default", None),
 
415
 
                 "bold", "default", "bold"),
 
417
 
                 "underline,blink", "default", "underline,blink"),
 
419
 
                 "standout", "default", "standout"),
 
420
 
                ("bold-underline-blink",
 
421
 
                 "bold,underline,blink", "default",
 
422
 
                 "bold,underline,blink"),
 
424
 
                 "bold,standout", "default", "bold,standout"),
 
425
 
                ("underline-blink-standout",
 
426
 
                 "underline,blink,standout", "default",
 
427
 
                 "underline,blink,standout"),
 
428
 
                ("bold-underline-blink-standout",
 
429
 
                 "bold,underline,blink,standout", "default",
 
430
 
                 "bold,underline,blink,standout"),
 
 
366
                 u"default", u"default", None),
 
 
368
                 u"default", u"default", u"bold"),
 
 
370
                 u"default", u"default", u"underline"),
 
 
372
                 u"default", u"default", u"standout"),
 
 
373
                (u"bold-underline-blink",
 
 
374
                 u"default", u"default", (u"bold", u"underline")),
 
 
376
                 u"default", u"default", (u"bold", u"standout")),
 
 
377
                (u"underline-blink-standout",
 
 
378
                 u"default", u"default", (u"underline", u"standout")),
 
 
379
                (u"bold-underline-blink-standout",
 
 
380
                 u"default", u"default", (u"bold", u"underline",
 
433
384
        if urwid.supports_unicode():
 
434
 
            self.divider = "─"  # \u2500
 
 
385
            self.divider = u"─" # \u2500
 
 
386
            #self.divider = u"━" # \u2501
 
436
 
            self.divider = "_"  # \u005f
 
 
388
            #self.divider = u"-" # \u002d
 
 
389
            self.divider = u"_" # \u005f
 
438
391
        self.screen.start()
 
440
393
        self.size = self.screen.get_cols_rows()
 
442
395
        self.clients = urwid.SimpleListWalker([])
 
443
396
        self.clients_dict = {}
 
445
398
        # We will add Text widgets to this list
 
447
400
        self.max_log_length = max_log_length
 
449
 
        self.log_level = log_level
 
451
402
        # We keep a reference to the log widget so we can remove it
 
452
403
        # from the ListWalker without it getting destroyed
 
453
404
        self.logbox = ConstrainedListBox(self.log)
 
455
406
        # This keeps track of whether self.uilist currently has
 
456
407
        # self.logbox in it or not
 
457
408
        self.log_visible = True
 
458
 
        self.log_wrap = "any"
 
 
409
        self.log_wrap = u"any"
 
461
 
        self.log_message_raw(("bold",
 
462
 
                              "Mandos Monitor version " + version))
 
463
 
        self.log_message_raw(("bold",
 
 
412
        self.log_message_raw((u"bold",
 
 
413
                              u"Mandos Monitor version " + version))
 
 
414
        self.log_message_raw((u"bold",
 
466
417
        self.busname = domain + '.Mandos'
 
467
 
        self.main_loop = GLib.MainLoop()
 
 
418
        self.main_loop = gobject.MainLoop()
 
 
419
        self.bus = dbus.SystemBus()
 
 
420
        mandos_dbus_objc = self.bus.get_object(
 
 
421
            self.busname, u"/", follow_name_owner_changes=True)
 
 
422
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
 
426
            mandos_clients = (self.mandos_serv
 
 
427
                              .GetAllClientsWithProperties())
 
 
428
        except dbus.exceptions.DBusException:
 
 
429
            mandos_clients = dbus.Dictionary()
 
 
432
         .connect_to_signal(u"ClientRemoved",
 
 
433
                            self.find_and_remove_client,
 
 
434
                            dbus_interface=server_interface,
 
 
437
         .connect_to_signal(u"ClientAdded",
 
 
439
                            dbus_interface=server_interface,
 
 
442
         .connect_to_signal(u"ClientNotFound",
 
 
443
                            self.client_not_found,
 
 
444
                            dbus_interface=server_interface,
 
 
446
        for path, client in mandos_clients.iteritems():
 
 
447
            client_proxy_object = self.bus.get_object(self.busname,
 
 
449
            self.add_client(MandosClientWidget(server_proxy_object
 
 
452
                                               =client_proxy_object,
 
469
462
    def client_not_found(self, fingerprint, address):
 
470
 
        self.log_message("Client with address {} and fingerprint {}"
 
471
 
                         " could not be found"
 
472
 
                         .format(address, fingerprint))
 
 
463
        self.log_message((u"Client with address %s and fingerprint %s"
 
 
464
                          u" could not be found" % (address,
 
474
467
    def rebuild(self):
 
475
468
        """This rebuilds the User Interface.
 
476
469
        Call this when the widget layout needs to change"""
 
478
 
        # self.uilist.append(urwid.ListBox(self.clients))
 
479
 
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
 
481
 
                                       # header=urwid.Divider(),
 
 
471
        #self.uilist.append(urwid.ListBox(self.clients))
 
 
472
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
 
 
473
                                       #header=urwid.Divider(),
 
483
 
                                       footer=urwid.Divider(
 
484
 
                                           div_char=self.divider)))
 
 
475
                                       footer=urwid.Divider(div_char=self.divider)))
 
485
476
        if self.log_visible:
 
486
477
            self.uilist.append(self.logbox)
 
487
479
        self.topwidget = urwid.Pile(self.uilist)
 
489
 
    def log_message(self, message, level=1):
 
490
 
        """Log message formatted with timestamp"""
 
491
 
        if level < self.log_level:
 
 
481
    def log_message(self, message):
 
493
482
        timestamp = datetime.datetime.now().isoformat()
 
494
 
        self.log_message_raw("{}: {}".format(timestamp, message),
 
497
 
    def log_message_raw(self, markup, level=1):
 
 
483
        self.log_message_raw(timestamp + u": " + message)
 
 
485
    def log_message_raw(self, markup):
 
498
486
        """Add a log message to the log buffer."""
 
499
 
        if level < self.log_level:
 
501
487
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
 
502
 
        if self.max_log_length:
 
503
 
            if len(self.log) > self.max_log_length:
 
504
 
                del self.log[0:len(self.log)-self.max_log_length-1]
 
 
488
        if (self.max_log_length
 
 
489
            and len(self.log) > self.max_log_length):
 
 
490
            del self.log[0:len(self.log)-self.max_log_length-1]
 
505
491
        self.logbox.set_focus(len(self.logbox.body.contents),
 
 
492
                              coming_from=u"above")
 
509
495
    def toggle_log_display(self):
 
510
496
        """Toggle visibility of the log buffer."""
 
511
497
        self.log_visible = not self.log_visible
 
513
 
        self.log_message("Log visibility changed to: {}"
 
514
 
                         .format(self.log_visible), level=0)
 
 
499
        self.log_message(u"Log visibility changed to: "
 
 
500
                         + unicode(self.log_visible))
 
516
502
    def change_log_display(self):
 
517
503
        """Change type of log display.
 
518
504
        Currently, this toggles wrapping of text lines."""
 
519
 
        if self.log_wrap == "clip":
 
520
 
            self.log_wrap = "any"
 
 
505
        if self.log_wrap == u"clip":
 
 
506
            self.log_wrap = u"any"
 
522
 
            self.log_wrap = "clip"
 
 
508
            self.log_wrap = u"clip"
 
523
509
        for textwidget in self.log:
 
524
510
            textwidget.set_wrap_mode(self.log_wrap)
 
525
 
        self.log_message("Wrap mode: {}".format(self.log_wrap),
 
528
 
    def find_and_remove_client(self, path, interfaces):
 
529
 
        """Find a client by its object path and remove it.
 
531
 
        This is connected to the InterfacesRemoved signal from the
 
 
511
        self.log_message(u"Wrap mode: " + self.log_wrap)
 
 
513
    def find_and_remove_client(self, path, name):
 
 
514
        """Find an client from its object path and remove it.
 
 
516
        This is connected to the ClientRemoved signal from the
 
532
517
        Mandos server object."""
 
533
 
        if client_interface not in interfaces:
 
534
 
            # Not a Mandos client object; ignore
 
537
519
            client = self.clients_dict[path]
 
540
 
            self.log_message("Unknown client {!r} removed"
 
545
 
    def add_new_client(self, path, ifs_and_props):
 
546
 
        """Find a client by its object path and remove it.
 
548
 
        This is connected to the InterfacesAdded signal from the
 
549
 
        Mandos server object.
 
551
 
        if client_interface not in ifs_and_props:
 
552
 
            # Not a Mandos client object; ignore
 
 
523
        self.remove_client(client, path)
 
 
525
    def add_new_client(self, path):
 
554
526
        client_proxy_object = self.bus.get_object(self.busname, path)
 
555
 
        self.add_client(MandosClientWidget(
 
556
 
            server_proxy_object=self.mandos_serv,
 
557
 
            proxy_object=client_proxy_object,
 
558
 
            update_hook=self.refresh,
 
559
 
            delete_hook=self.remove_client,
 
560
 
            logger=self.log_message,
 
561
 
            properties=dict(ifs_and_props[client_interface])),
 
 
527
        self.add_client(MandosClientWidget(server_proxy_object
 
 
530
                                           =client_proxy_object,
 
564
539
    def add_client(self, client, path=None):
 
565
540
        self.clients.append(client)
 
567
542
            path = client.proxy.object_path
 
568
543
        self.clients_dict[path] = client
 
569
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
 
544
        self.clients.sort(None, lambda c: c.properties[u"name"])
 
572
547
    def remove_client(self, client, path=None):
 
573
548
        self.clients.remove(client)
 
575
550
            path = client.proxy.object_path
 
576
551
        del self.clients_dict[path]
 
 
552
        if not self.clients_dict:
 
 
553
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
 
554
            # is completely emptied, we need to recreate it.
 
 
555
            self.clients = urwid.SimpleListWalker([])
 
579
559
    def refresh(self):
 
580
560
        """Redraw the screen"""
 
581
561
        canvas = self.topwidget.render(self.size, focus=True)
 
582
562
        self.screen.draw_screen(self.size, canvas)
 
585
565
        """Start the main loop and exit when it's done."""
 
586
 
        self.bus = dbus.SystemBus()
 
587
 
        mandos_dbus_objc = self.bus.get_object(
 
588
 
            self.busname, "/", follow_name_owner_changes=True)
 
589
 
        self.mandos_serv = dbus.Interface(
 
590
 
            mandos_dbus_objc, dbus_interface=server_interface)
 
592
 
            mandos_clients = (self.mandos_serv
 
593
 
                              .GetAllClientsWithProperties())
 
594
 
            if not mandos_clients:
 
595
 
                self.log_message_raw(("bold",
 
596
 
                                      "Note: Server has no clients."))
 
597
 
        except dbus.exceptions.DBusException:
 
598
 
            self.log_message_raw(("bold",
 
599
 
                                  "Note: No Mandos server running."))
 
600
 
            mandos_clients = dbus.Dictionary()
 
603
 
         .connect_to_signal("InterfacesRemoved",
 
604
 
                            self.find_and_remove_client,
 
605
 
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
608
 
         .connect_to_signal("InterfacesAdded",
 
610
 
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
613
 
         .connect_to_signal("ClientNotFound",
 
614
 
                            self.client_not_found,
 
615
 
                            dbus_interface=server_interface,
 
617
 
        for path, client in mandos_clients.items():
 
618
 
            client_proxy_object = self.bus.get_object(self.busname,
 
620
 
            self.add_client(MandosClientWidget(
 
621
 
                server_proxy_object=self.mandos_serv,
 
622
 
                proxy_object=client_proxy_object,
 
624
 
                update_hook=self.refresh,
 
625
 
                delete_hook=self.remove_client,
 
626
 
                logger=self.log_message),
 
630
 
        self._input_callback_tag = (GLib.io_add_watch
 
 
567
        self._input_callback_tag = (gobject.io_add_watch
 
631
568
                                    (sys.stdin.fileno(),
 
633
570
                                     self.process_input))
 
634
571
        self.main_loop.run()
 
635
572
        # Main loop has finished, we should close everything now
 
636
 
        GLib.source_remove(self._input_callback_tag)
 
 
573
        gobject.source_remove(self._input_callback_tag)
 
637
574
        self.screen.stop()
 
640
577
        self.main_loop.quit()
 
642
579
    def process_input(self, source, condition):
 
643
580
        keys = self.screen.get_input()
 
644
 
        translations = {"ctrl n": "down",       # Emacs
 
645
 
                        "ctrl p": "up",         # Emacs
 
646
 
                        "ctrl v": "page down",  # Emacs
 
647
 
                        "meta v": "page up",    # Emacs
 
648
 
                        " ": "page down",       # less
 
649
 
                        "f": "page down",       # less
 
650
 
                        "b": "page up",         # less
 
 
581
        translations = { u"ctrl n": u"down",      # Emacs
 
 
582
                         u"ctrl p": u"up",        # Emacs
 
 
583
                         u"ctrl v": u"page down", # Emacs
 
 
584
                         u"meta v": u"page up",   # Emacs
 
 
585
                         u" ": u"page down",      # less
 
 
586
                         u"f": u"page down",      # less
 
 
587
                         u"b": u"page up",        # less
 
656
593
                key = translations[key]
 
657
594
            except KeyError:    # :-)
 
660
 
            if key == "q" or key == "Q":
 
 
597
            if key == u"q" or key == u"Q":
 
663
 
            elif key == "window resize":
 
 
600
            elif key == u"window resize":
 
664
601
                self.size = self.screen.get_cols_rows()
 
666
 
            elif key == "ctrl l":
 
 
603
            elif key == u"\f":  # Ctrl-L
 
669
 
            elif key == "l" or key == "D":
 
 
605
            elif key == u"l" or key == u"D":
 
670
606
                self.toggle_log_display()
 
672
 
            elif key == "w" or key == "i":
 
 
608
            elif key == u"w" or key == u"i":
 
673
609
                self.change_log_display()
 
675
 
            elif key == "?" or key == "f1" or key == "esc":
 
 
611
            elif key == u"?" or key == u"f1" or key == u"esc":
 
676
612
                if not self.log_visible:
 
677
613
                    self.log_visible = True
 
679
 
                self.log_message_raw(("bold",
 
683
 
                                            "l: Log window toggle",
 
684
 
                                            "TAB: Switch window",
 
685
 
                                            "w: Wrap (log lines)",
 
686
 
                                            "v: Toggle verbose log",
 
688
 
                self.log_message_raw(("bold",
 
694
 
                                             "s: Start new checker",
 
 
615
                self.log_message_raw((u"bold",
 
 
619
                                            u"l: Log window toggle",
 
 
620
                                            u"TAB: Switch window",
 
 
622
                self.log_message_raw((u"bold",
 
 
628
                                             u"s: Start new checker",
 
701
635
                if self.topwidget.get_focus() is self.logbox:
 
702
636
                    self.topwidget.set_focus(0)
 
704
638
                    self.topwidget.set_focus(self.logbox)
 
707
 
                if self.log_level == 0:
 
709
 
                    self.log_message("Verbose mode: Off")
 
712
 
                    self.log_message("Verbose mode: On")
 
713
 
            # elif (key == "end" or key == "meta >" or key == "G"
 
715
 
            #     pass            # xxx end-of-buffer
 
716
 
            # elif (key == "home" or key == "meta <" or key == "g"
 
718
 
            #     pass            # xxx beginning-of-buffer
 
719
 
            # elif key == "ctrl e" or key == "$":
 
720
 
            #     pass            # xxx move-end-of-line
 
721
 
            # elif key == "ctrl a" or key == "^":
 
722
 
            #     pass            # xxx move-beginning-of-line
 
723
 
            # elif key == "ctrl b" or key == "meta (" or key == "h":
 
725
 
            # elif key == "ctrl f" or key == "meta )" or key == "l":
 
728
 
            #     pass            # scroll up log
 
730
 
            #     pass            # scroll down log
 
 
640
            #elif (key == u"end" or key == u"meta >" or key == u"G"
 
 
642
            #    pass            # xxx end-of-buffer
 
 
643
            #elif (key == u"home" or key == u"meta <" or key == u"g"
 
 
645
            #    pass            # xxx beginning-of-buffer
 
 
646
            #elif key == u"ctrl e" or key == u"$":
 
 
647
            #    pass            # xxx move-end-of-line
 
 
648
            #elif key == u"ctrl a" or key == u"^":
 
 
649
            #    pass            # xxx move-beginning-of-line
 
 
650
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
 
 
652
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
 
 
655
            #    pass            # scroll up log
 
 
657
            #    pass            # scroll down log
 
731
658
            elif self.topwidget.selectable():
 
732
659
                self.topwidget.keypress(self.size, key)
 
737
663
ui = UserInterface()
 
740
 
except KeyboardInterrupt:
 
742
 
except Exception as e:
 
743
 
    ui.log_message(str(e))
 
 
667
    ui.log_message(unicode(e))