42
15
from dbus.mainloop.glib import DBusGMainLoop
 
43
 
from gi.repository import GLib
 
 
24
locale.setlocale(locale.LC_ALL, u'')
 
51
 
if sys.version_info.major == 2:
 
54
 
locale.setlocale(locale.LC_ALL, '')
 
56
27
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
 
58
29
# Some useful constants
 
59
 
domain = 'se.recompile'
 
 
30
domain = 'se.bsnet.fukt'
 
60
31
server_interface = domain + '.Mandos'
 
61
32
client_interface = domain + '.Mandos.Client'
 
65
 
    dbus.OBJECT_MANAGER_IFACE
 
66
 
except AttributeError:
 
67
 
    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)
 
70
43
def isoformat_to_datetime(iso):
 
71
44
    "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)
 
 
47
    d, t = iso.split(u"T", 1)
 
 
48
    year, month, day = d.split(u"-", 2)
 
 
49
    hour, minute, second = t.split(u":", 2)
 
77
50
    second, fraction = divmod(float(second), 1)
 
78
51
    return datetime.datetime(int(year),
 
83
 
                             int(second),            # Whole seconds
 
84
 
                             int(fraction*1000000))  # Microseconds
 
 
56
                             int(second),           # Whole seconds
 
 
57
                             int(fraction*1000000)) # Microseconds
 
87
59
class MandosClientPropertyCache(object):
 
88
60
    """This wraps a Mandos Client D-Bus proxy object, caches the
 
89
61
    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.
 
 
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.
 
112
85
        # Update properties dict with new value
 
113
 
        if interface == client_interface:
 
114
 
            self.properties.update(properties)
 
117
 
        self.property_changed_match.remove()
 
 
86
        self.properties[property] = value
 
120
89
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
 
121
90
    """A Mandos Client which is visible on the screen.
 
124
93
    def __init__(self, server_proxy_object=None, update_hook=None,
 
125
 
                 delete_hook=None, logger=None, **kwargs):
 
 
94
                 delete_hook=None, logger=None, *args, **kwargs):
 
126
95
        # Called on update
 
127
96
        self.update_hook = update_hook
 
128
97
        # Called on delete
 
 
131
100
        self.server_proxy_object = server_proxy_object
 
133
102
        self.logger = logger
 
135
104
        self._update_timer_callback_tag = None
 
 
105
        self.last_checker_failed = False
 
137
107
        # The widget shown normally
 
138
 
        self._text_widget = urwid.Text("")
 
 
108
        self._text_widget = urwid.Text(u"")
 
139
109
        # The widget shown when we have focus
 
140
 
        self._focus_text_widget = urwid.Text("")
 
141
 
        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,
 
143
115
        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
 
 
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()
 
 
147
        if self.last_checker_failed:
 
 
148
            self._update_timer_callback_tag = (gobject.timeout_add
 
177
150
                                                self.update_timer))
 
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
 
182
152
    def checker_completed(self, exitstatus, condition, command):
 
183
153
        if exitstatus == 0:
 
184
 
            self.logger('Checker for client {} (command "{}")'
 
185
 
                        ' succeeded'.format(self.properties["Name"],
 
 
154
            if self.last_checker_failed:
 
 
155
                self.last_checker_failed = False
 
 
156
                gobject.source_remove(self._update_timer_callback_tag)
 
 
157
                self._update_timer_callback_tag = None
 
 
158
            #self.logger(u'Checker for client %s (command "%s")'
 
 
160
            #            % (self.properties[u"Name"], command))
 
 
164
        if not self.last_checker_failed:
 
 
165
            self.last_checker_failed = True
 
 
166
            self._update_timer_callback_tag = (gobject.timeout_add
 
190
169
        if os.WIFEXITED(condition):
 
191
 
            self.logger('Checker for client {} (command "{}") failed'
 
193
 
                        .format(self.properties["Name"], command,
 
194
 
                                os.WEXITSTATUS(condition)))
 
 
170
            self.logger(u'Checker for client %s (command "%s")'
 
 
171
                        u' failed with exit code %s'
 
 
172
                        % (self.properties[u"Name"], command,
 
 
173
                           os.WEXITSTATUS(condition)))
 
195
174
        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)))
 
 
175
            self.logger(u'Checker for client %s (command "%s")'
 
 
176
                        u' was killed by signal %s'
 
 
177
                        % (self.properties[u"Name"], command,
 
 
178
                           os.WTERMSIG(condition)))
 
 
179
        elif os.WCOREDUMP(condition):
 
 
180
            self.logger(u'Checker for client %s (command "%s")'
 
 
182
                        % (self.properties[u"Name"], command))
 
 
184
            self.logger(u'Checker for client %s completed'
 
202
188
    def checker_started(self, command):
 
203
 
        """Server signals that a checker started."""
 
204
 
        self.logger('Client {} started checker "{}"'
 
205
 
                    .format(self.properties["Name"],
 
 
189
        #self.logger(u'Client %s started checker "%s"'
 
 
190
        #            % (self.properties[u"Name"], unicode(command)))
 
208
193
    def got_secret(self):
 
209
 
        self.logger('Client {} received its secret'
 
210
 
                    .format(self.properties["Name"]))
 
 
194
        self.last_checker_failed = False
 
 
195
        self.logger(u'Client %s received its secret'
 
 
196
                    % self.properties[u"Name"])
 
212
198
    def need_approval(self, timeout, default):
 
214
 
            message = 'Client {} needs approval within {} seconds'
 
 
200
            message = u'Client %s needs approval within %s seconds'
 
216
 
            message = 'Client {} will get its secret in {} seconds'
 
217
 
        self.logger(message.format(self.properties["Name"],
 
 
202
            message = u'Client %s will get its secret in %s seconds'
 
 
204
                    % (self.properties[u"Name"], timeout/1000))
 
220
206
    def rejected(self, reason):
 
221
 
        self.logger('Client {} was rejected; reason: {}'
 
222
 
                    .format(self.properties["Name"], reason))
 
 
207
        self.logger(u'Client %s was rejected; reason: %s'
 
 
208
                    % (self.properties[u"Name"], reason))
 
224
210
    def selectable(self):
 
225
211
        """Make this a "selectable" widget.
 
226
212
        This overrides the method from urwid.FlowWidget."""
 
229
 
    def rows(self, maxcolrow, focus=False):
 
 
215
    def rows(self, (maxcol,), focus=False):
 
230
216
        """How many rows this widget will occupy might depend on
 
231
217
        whether we have focus or not.
 
232
218
        This overrides the method from urwid.FlowWidget"""
 
233
 
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
 
219
        return self.current_widget(focus).rows((maxcol,), focus=focus)
 
235
221
    def current_widget(self, focus=False):
 
236
222
        if focus or self.opened:
 
237
223
            return self._focus_widget
 
238
224
        return self._widget
 
240
226
    def update(self):
 
241
227
        "Called when what is visible on the screen should be updated."
 
242
228
        # 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",
 
 
229
        with_standout = { u"normal": u"standout",
 
 
230
                          u"bold": u"bold-standout",
 
 
232
                              u"underline-blink-standout",
 
 
233
                          u"bold-underline-blink":
 
 
234
                              u"bold-underline-blink-standout",
 
251
237
        # Rebuild focus and non-focus widgets using current properties
 
253
239
        # 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)
 
 
240
        base = (u'%(name)s: '
 
 
241
                      % {u"name": self.properties[u"Name"]})
 
 
242
        if not self.properties[u"Enabled"]:
 
 
243
            message = u"DISABLED"
 
 
244
        elif self.properties[u"ApprovalPending"]:
 
 
245
            if self.properties[u"ApprovedByDefault"]:
 
 
246
                message = u"Connection established to client. (d)eny?"
 
 
248
                message = u"Seeks approval to send secret. (a)pprove?"
 
 
249
        elif self.last_checker_failed:
 
 
250
            timeout = datetime.timedelta(milliseconds
 
 
253
            last_ok = isoformat_to_datetime(
 
 
254
                max((self.properties[u"LastCheckedOK"]
 
 
255
                     or self.properties[u"Created"]),
 
 
256
                    self.properties[u"LastEnabled"]))
 
 
257
            timer = timeout - (datetime.datetime.utcnow() - last_ok)
 
 
258
            message = (u'A checker has failed! Time until client'
 
 
260
                           % unicode(timer).rsplit(".", 1)[0])
 
291
 
            self.using_timer(False)
 
292
 
        self._text = "{}{}".format(base, message)
 
 
263
        self._text = "%s%s" % (base, message)
 
294
265
        if not urwid.supports_unicode():
 
295
266
            self._text = self._text.encode("ascii", "replace")
 
296
 
        textlist = [("normal", self._text)]
 
 
267
        textlist = [(u"normal", self._text)]
 
297
268
        self._text_widget.set_text(textlist)
 
298
269
        self._focus_text_widget.set_text([(with_standout[text[0]],
 
 
306
277
        # Run update hook, if any
 
307
278
        if self.update_hook is not None:
 
308
279
            self.update_hook()
 
310
281
    def update_timer(self):
 
311
 
        """called by GLib. Will indefinitely loop until
 
312
 
        GLib.source_remove() on tag is called
 
315
284
        return True             # Keep calling this
 
317
 
    def delete(self, **kwargs):
 
318
287
        if self._update_timer_callback_tag is not None:
 
319
 
            GLib.source_remove(self._update_timer_callback_tag)
 
 
288
            gobject.source_remove(self._update_timer_callback_tag)
 
320
289
            self._update_timer_callback_tag = None
 
321
 
        for match in self.match_objects:
 
323
 
        self.match_objects = ()
 
324
290
        if self.delete_hook is not None:
 
325
291
            self.delete_hook(self)
 
326
 
        return super(MandosClientWidget, self).delete(**kwargs)
 
328
 
    def render(self, maxcolrow, focus=False):
 
 
293
    def render(self, (maxcol,), focus=False):
 
329
294
        """Render differently if we have focus.
 
330
295
        This overrides the method from urwid.FlowWidget"""
 
331
 
        return self.current_widget(focus).render(maxcolrow,
 
 
296
        return self.current_widget(focus).render((maxcol,),
 
334
 
    def keypress(self, maxcolrow, key):
 
 
299
    def keypress(self, (maxcol,), key):
 
336
301
        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)
 
 
303
            self.proxy.Enable(dbus_interface = client_interface)
 
 
305
            self.proxy.Disable(dbus_interface = client_interface)
 
346
307
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
 
347
 
                               dbus_interface=client_interface,
 
 
308
                               dbus_interface = client_interface)
 
350
310
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
 
351
 
                               dbus_interface=client_interface,
 
353
 
        elif key == "R" or key == "_" or key == "ctrl k":
 
 
311
                                  dbus_interface = client_interface)
 
 
312
        elif key == u"r" or key == u"_" or key == u"ctrl k":
 
354
313
            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,
 
 
316
            self.proxy.StartChecker(dbus_interface = client_interface)
 
 
318
            self.proxy.StopChecker(dbus_interface = client_interface)
 
 
320
            self.proxy.CheckedOK(dbus_interface = client_interface)
 
369
 
#         elif key == "p" or key == "=":
 
 
322
#         elif key == u"p" or key == "=":
 
370
323
#             self.proxy.pause()
 
371
 
#         elif key == "u" or key == ":":
 
 
324
#         elif key == u"u" or key == ":":
 
372
325
#             self.proxy.unpause()
 
 
326
#         elif key == u"RET":
 
378
 
    def properties_changed(self, interface, properties, invalidated):
 
379
 
        """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.
 
380
334
        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):
 
 
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:
 
 
404
357
    """This is the entire user interface - the whole screen
 
405
358
    with boxes, lists of client widgets, etc.
 
407
 
    def __init__(self, max_log_length=1000, log_level=1):
 
 
360
    def __init__(self, max_log_length=1000):
 
408
361
        DBusGMainLoop(set_as_default=True)
 
410
363
        self.screen = urwid.curses_display.Screen()
 
412
365
        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"),
 
 
367
                 u"default", u"default", None),
 
 
369
                 u"default", u"default", u"bold"),
 
 
371
                 u"default", u"default", u"underline"),
 
 
373
                 u"default", u"default", u"standout"),
 
 
374
                (u"bold-underline-blink",
 
 
375
                 u"default", u"default", (u"bold", u"underline")),
 
 
377
                 u"default", u"default", (u"bold", u"standout")),
 
 
378
                (u"underline-blink-standout",
 
 
379
                 u"default", u"default", (u"underline", u"standout")),
 
 
380
                (u"bold-underline-blink-standout",
 
 
381
                 u"default", u"default", (u"bold", u"underline",
 
434
385
        if urwid.supports_unicode():
 
435
 
            self.divider = "─"  # \u2500
 
 
386
            self.divider = u"─" # \u2500
 
 
387
            #self.divider = u"━" # \u2501
 
437
 
            self.divider = "_"  # \u005f
 
 
389
            #self.divider = u"-" # \u002d
 
 
390
            self.divider = u"_" # \u005f
 
439
392
        self.screen.start()
 
441
394
        self.size = self.screen.get_cols_rows()
 
443
396
        self.clients = urwid.SimpleListWalker([])
 
444
397
        self.clients_dict = {}
 
446
399
        # We will add Text widgets to this list
 
447
 
        self.log = urwid.SimpleListWalker([])
 
448
401
        self.max_log_length = max_log_length
 
450
 
        self.log_level = log_level
 
452
403
        # We keep a reference to the log widget so we can remove it
 
453
404
        # from the ListWalker without it getting destroyed
 
454
405
        self.logbox = ConstrainedListBox(self.log)
 
456
407
        # This keeps track of whether self.uilist currently has
 
457
408
        # self.logbox in it or not
 
458
409
        self.log_visible = True
 
459
 
        self.log_wrap = "any"
 
 
410
        self.log_wrap = u"any"
 
462
 
        self.log_message_raw(("bold",
 
463
 
                              "Mandos Monitor version " + version))
 
464
 
        self.log_message_raw(("bold",
 
 
413
        self.log_message_raw((u"bold",
 
 
414
                              u"Mandos Monitor version " + version))
 
 
415
        self.log_message_raw((u"bold",
 
467
418
        self.busname = domain + '.Mandos'
 
468
 
        self.main_loop = GLib.MainLoop()
 
 
419
        self.main_loop = gobject.MainLoop()
 
 
420
        self.bus = dbus.SystemBus()
 
 
421
        mandos_dbus_objc = self.bus.get_object(
 
 
422
            self.busname, u"/", follow_name_owner_changes=True)
 
 
423
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
 
427
            mandos_clients = (self.mandos_serv
 
 
428
                              .GetAllClientsWithProperties())
 
 
429
        except dbus.exceptions.DBusException:
 
 
430
            mandos_clients = dbus.Dictionary()
 
 
433
         .connect_to_signal(u"ClientRemoved",
 
 
434
                            self.find_and_remove_client,
 
 
435
                            dbus_interface=server_interface,
 
 
438
         .connect_to_signal(u"ClientAdded",
 
 
440
                            dbus_interface=server_interface,
 
 
443
         .connect_to_signal(u"ClientNotFound",
 
 
444
                            self.client_not_found,
 
 
445
                            dbus_interface=server_interface,
 
 
447
        for path, client in mandos_clients.iteritems():
 
 
448
            client_proxy_object = self.bus.get_object(self.busname,
 
 
450
            self.add_client(MandosClientWidget(server_proxy_object
 
 
453
                                               =client_proxy_object,
 
470
463
    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))
 
 
464
        self.log_message((u"Client with address %s and fingerprint %s"
 
 
465
                          u" could not be found" % (address,
 
475
468
    def rebuild(self):
 
476
469
        """This rebuilds the User Interface.
 
477
470
        Call this when the widget layout needs to change"""
 
479
 
        # self.uilist.append(urwid.ListBox(self.clients))
 
 
472
        #self.uilist.append(urwid.ListBox(self.clients))
 
480
473
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
 
482
 
                                       # header=urwid.Divider(),
 
 
475
                                       #header=urwid.Divider(),
 
484
 
                                       footer=urwid.Divider(
 
485
 
                                           div_char=self.divider)))
 
 
478
                                       urwid.Divider(div_char=
 
486
480
        if self.log_visible:
 
487
481
            self.uilist.append(self.logbox)
 
488
483
        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:
 
 
485
    def log_message(self, message):
 
494
486
        timestamp = datetime.datetime.now().isoformat()
 
495
 
        self.log_message_raw("{}: {}".format(timestamp, message),
 
498
 
    def log_message_raw(self, markup, level=1):
 
 
487
        self.log_message_raw(timestamp + u": " + message)
 
 
489
    def log_message_raw(self, markup):
 
499
490
        """Add a log message to the log buffer."""
 
500
 
        if level < self.log_level:
 
502
491
        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,
 
 
492
        if (self.max_log_length
 
 
493
            and len(self.log) > self.max_log_length):
 
 
494
            del self.log[0:len(self.log)-self.max_log_length-1]
 
 
495
        self.logbox.set_focus(len(self.logbox.body.contents),
 
 
496
                              coming_from=u"above")
 
510
499
    def toggle_log_display(self):
 
511
500
        """Toggle visibility of the log buffer."""
 
512
501
        self.log_visible = not self.log_visible
 
514
 
        self.log_message("Log visibility changed to: {}"
 
515
 
                         .format(self.log_visible), level=0)
 
 
503
        #self.log_message(u"Log visibility changed to: "
 
 
504
        #                 + unicode(self.log_visible))
 
517
506
    def change_log_display(self):
 
518
507
        """Change type of log display.
 
519
508
        Currently, this toggles wrapping of text lines."""
 
520
 
        if self.log_wrap == "clip":
 
521
 
            self.log_wrap = "any"
 
 
509
        if self.log_wrap == u"clip":
 
 
510
            self.log_wrap = u"any"
 
523
 
            self.log_wrap = "clip"
 
 
512
            self.log_wrap = u"clip"
 
524
513
        for textwidget in self.log:
 
525
514
            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
 
 
515
        #self.log_message(u"Wrap mode: " + self.log_wrap)
 
 
517
    def find_and_remove_client(self, path, name):
 
 
518
        """Find an client from its object path and remove it.
 
 
520
        This is connected to the ClientRemoved signal from the
 
533
521
        Mandos server object."""
 
534
 
        if client_interface not in interfaces:
 
535
 
            # Not a Mandos client object; ignore
 
538
523
            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
 
 
527
        self.remove_client(client, path)
 
 
529
    def add_new_client(self, path):
 
555
530
        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])),
 
 
531
        self.add_client(MandosClientWidget(server_proxy_object
 
 
534
                                           =client_proxy_object,
 
565
543
    def add_client(self, client, path=None):
 
566
544
        self.clients.append(client)
 
568
546
            path = client.proxy.object_path
 
569
547
        self.clients_dict[path] = client
 
570
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
 
548
        self.clients.sort(None, lambda c: c.properties[u"Name"])
 
573
551
    def remove_client(self, client, path=None):
 
574
552
        self.clients.remove(client)
 
576
554
            path = client.proxy.object_path
 
577
555
        del self.clients_dict[path]
 
 
556
        if not self.clients_dict:
 
 
557
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
 
558
            # is completely emptied, we need to recreate it.
 
 
559
            self.clients = urwid.SimpleListWalker([])
 
580
563
    def refresh(self):
 
581
564
        """Redraw the screen"""
 
582
565
        canvas = self.topwidget.render(self.size, focus=True)
 
583
566
        self.screen.draw_screen(self.size, canvas)
 
586
569
        """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
 
 
571
        self._input_callback_tag = (gobject.io_add_watch
 
632
572
                                    (sys.stdin.fileno(),
 
634
574
                                     self.process_input))
 
635
575
        self.main_loop.run()
 
636
576
        # Main loop has finished, we should close everything now
 
637
 
        GLib.source_remove(self._input_callback_tag)
 
 
577
        gobject.source_remove(self._input_callback_tag)
 
638
578
        self.screen.stop()
 
641
581
        self.main_loop.quit()
 
643
583
    def process_input(self, source, condition):
 
644
584
        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
 
 
585
        translations = { u"ctrl n": u"down",      # Emacs
 
 
586
                         u"ctrl p": u"up",        # Emacs
 
 
587
                         u"ctrl v": u"page down", # Emacs
 
 
588
                         u"meta v": u"page up",   # Emacs
 
 
589
                         u" ": u"page down",      # less
 
 
590
                         u"f": u"page down",      # less
 
 
591
                         u"b": u"page up",        # less
 
657
597
                key = translations[key]
 
658
598
            except KeyError:    # :-)
 
661
 
            if key == "q" or key == "Q":
 
 
601
            if key == u"q" or key == u"Q":
 
664
 
            elif key == "window resize":
 
 
604
            elif key == u"window resize":
 
665
605
                self.size = self.screen.get_cols_rows()
 
667
 
            elif key == "ctrl l":
 
 
607
            elif key == u"\f":  # Ctrl-L
 
670
 
            elif key == "l" or key == "D":
 
 
609
            elif key == u"l" or key == u"D":
 
671
610
                self.toggle_log_display()
 
673
 
            elif key == "w" or key == "i":
 
 
612
            elif key == u"w" or key == u"i":
 
674
613
                self.change_log_display()
 
676
 
            elif key == "?" or key == "f1" or key == "esc":
 
 
615
            elif key == u"?" or key == u"f1" or key == u"esc":
 
677
616
                if not self.log_visible:
 
678
617
                    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",
 
 
619
                self.log_message_raw((u"bold",
 
 
623
                                            u"l: Log window toggle",
 
 
624
                                            u"TAB: Switch window",
 
 
626
                self.log_message_raw((u"bold",
 
 
632
                                             u"s: Start new checker",
 
702
639
                if self.topwidget.get_focus() is self.logbox:
 
703
640
                    self.topwidget.set_focus(0)
 
705
642
                    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
 
 
644
            #elif (key == u"end" or key == u"meta >" or key == u"G"
 
 
646
            #    pass            # xxx end-of-buffer
 
 
647
            #elif (key == u"home" or key == u"meta <" or key == u"g"
 
 
649
            #    pass            # xxx beginning-of-buffer
 
 
650
            #elif key == u"ctrl e" or key == u"$":
 
 
651
            #    pass            # xxx move-end-of-line
 
 
652
            #elif key == u"ctrl a" or key == u"^":
 
 
653
            #    pass            # xxx move-beginning-of-line
 
 
654
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
 
 
656
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
 
 
659
            #    pass            # scroll up log
 
 
661
            #    pass            # scroll down log
 
732
662
            elif self.topwidget.selectable():
 
733
663
                self.topwidget.keypress(self.size, key)
 
738
667
ui = UserInterface()
 
741
670
except KeyboardInterrupt:
 
743
 
except Exception as e:
 
744
 
    ui.log_message(str(e))
 
 
673
    ui.log_message(unicode(e))