41
36
from dbus.mainloop.glib import DBusGMainLoop
 
42
 
from gi.repository import GLib
 
 
45
locale.setlocale(locale.LC_ALL, u'')
 
50
 
if sys.version_info.major == 2:
 
53
 
locale.setlocale(locale.LC_ALL, '')
 
55
48
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
 
57
50
# Some useful constants
 
58
 
domain = 'se.recompile'
 
 
51
domain = 'se.bsnet.fukt'
 
59
52
server_interface = domain + '.Mandos'
 
60
53
client_interface = domain + '.Mandos.Client'
 
64
 
    dbus.OBJECT_MANAGER_IFACE
 
65
 
except AttributeError:
 
66
 
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
 
 
56
# Always run in monochrome mode
 
 
57
urwid.curses_display.curses.has_colors = lambda : False
 
 
59
# Urwid doesn't support blinking, but we want it.  Since we have no
 
 
60
# use for underline on its own, we make underline also always blink.
 
 
61
urwid.curses_display.curses.A_UNDERLINE |= (
 
 
62
    urwid.curses_display.curses.A_BLINK)
 
69
64
def isoformat_to_datetime(iso):
 
70
65
    "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)
 
 
68
    d, t = iso.split(u"T", 1)
 
 
69
    year, month, day = d.split(u"-", 2)
 
 
70
    hour, minute, second = t.split(u":", 2)
 
76
71
    second, fraction = divmod(float(second), 1)
 
77
72
    return datetime.datetime(int(year),
 
82
 
                             int(second),            # Whole seconds
 
83
 
                             int(fraction*1000000))  # Microseconds
 
 
77
                             int(second),           # Whole seconds
 
 
78
                             int(fraction*1000000)) # Microseconds
 
86
80
class MandosClientPropertyCache(object):
 
87
81
    """This wraps a Mandos Client D-Bus proxy object, caches the
 
88
82
    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.
 
 
85
    def __init__(self, proxy_object=None, *args, **kwargs):
 
 
86
        self.proxy = proxy_object # Mandos Client proxy object
 
 
88
        self.properties = dict()
 
 
89
        self.proxy.connect_to_signal(u"PropertyChanged",
 
 
90
                                     self.property_changed,
 
 
94
        self.properties.update(
 
 
95
            self.proxy.GetAll(client_interface,
 
 
96
                              dbus_interface = dbus.PROPERTIES_IFACE))
 
 
98
        #XXX This break good super behaviour!
 
 
99
#        super(MandosClientPropertyCache, self).__init__(
 
 
102
    def property_changed(self, property=None, value=None):
 
 
103
        """This is called whenever we get a PropertyChanged signal
 
 
104
        It updates the changed property in the "properties" dict.
 
111
106
        # Update properties dict with new value
 
112
 
        if interface == client_interface:
 
113
 
            self.properties.update(properties)
 
116
 
        self.property_changed_match.remove()
 
 
107
        self.properties[property] = value
 
119
110
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
 
120
111
    """A Mandos Client which is visible on the screen.
 
123
114
    def __init__(self, server_proxy_object=None, update_hook=None,
 
124
 
                 delete_hook=None, logger=None, **kwargs):
 
 
115
                 delete_hook=None, logger=None, *args, **kwargs):
 
125
116
        # Called on update
 
126
117
        self.update_hook = update_hook
 
127
118
        # Called on delete
 
 
130
121
        self.server_proxy_object = server_proxy_object
 
132
123
        self.logger = logger
 
134
125
        self._update_timer_callback_tag = None
 
 
126
        self._update_timer_callback_lock = 0
 
 
127
        self.last_checker_failed = False
 
136
129
        # The widget shown normally
 
137
 
        self._text_widget = urwid.Text("")
 
 
130
        self._text_widget = urwid.Text(u"")
 
138
131
        # The widget shown when we have focus
 
139
 
        self._focus_text_widget = urwid.Text("")
 
140
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
 
132
        self._focus_text_widget = urwid.Text(u"")
 
 
133
        super(MandosClientWidget, self).__init__(
 
 
134
            update_hook=update_hook, delete_hook=delete_hook,
 
142
137
        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)
 
 
139
        last_checked_ok = isoformat_to_datetime(self.properties
 
 
141
        if last_checked_ok is None:
 
 
142
            self.last_checker_failed = True
 
 
144
            self.last_checker_failed = ((datetime.datetime.utcnow()
 
 
151
        if self.last_checker_failed:
 
 
152
            self.using_timer(True)
 
 
154
        if self.need_approval:
 
 
155
            self.using_timer(True)
 
 
157
        self.proxy.connect_to_signal(u"CheckerCompleted",
 
 
158
                                     self.checker_completed,
 
 
161
        self.proxy.connect_to_signal(u"CheckerStarted",
 
 
162
                                     self.checker_started,
 
 
165
        self.proxy.connect_to_signal(u"GotSecret",
 
 
169
        self.proxy.connect_to_signal(u"NeedApproval",
 
 
173
        self.proxy.connect_to_signal(u"Rejected",
 
 
178
    def property_changed(self, property=None, value=None):
 
 
179
        super(self, MandosClientWidget).property_changed(property,
 
 
181
        if property == u"ApprovalPending":
 
 
182
            using_timer(bool(value))
 
168
184
    def using_timer(self, flag):
 
169
185
        """Call this method with True or False when timer should be
 
170
186
        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
 
 
188
        old = self._update_timer_callback_lock
 
 
190
            self._update_timer_callback_lock += 1
 
 
192
            self._update_timer_callback_lock -= 1
 
 
193
        if old == 0 and self._update_timer_callback_lock:
 
 
194
            self._update_timer_callback_tag = (gobject.timeout_add
 
176
196
                                                self.update_timer))
 
177
 
        elif not (flag or self._update_timer_callback_tag is None):
 
178
 
            GLib.source_remove(self._update_timer_callback_tag)
 
 
197
        elif old and self._update_timer_callback_lock == 0:
 
 
198
            gobject.source_remove(self._update_timer_callback_tag)
 
179
199
            self._update_timer_callback_tag = None
 
181
201
    def checker_completed(self, exitstatus, condition, command):
 
182
202
        if exitstatus == 0:
 
183
 
            self.logger('Checker for client {} (command "{}")'
 
184
 
                        ' succeeded'.format(self.properties["Name"],
 
 
203
            if self.last_checker_failed:
 
 
204
                self.last_checker_failed = False
 
 
205
                self.using_timer(False)
 
 
206
            #self.logger(u'Checker for client %s (command "%s")'
 
 
208
            #            % (self.properties[u"Name"], command))
 
 
212
        if not self.last_checker_failed:
 
 
213
            self.last_checker_failed = True
 
 
214
            self.using_timer(True)
 
189
215
        if os.WIFEXITED(condition):
 
190
 
            self.logger('Checker for client {} (command "{}") failed'
 
192
 
                        .format(self.properties["Name"], command,
 
193
 
                                os.WEXITSTATUS(condition)))
 
 
216
            self.logger(u'Checker for client %s (command "%s")'
 
 
217
                        u' failed with exit code %s'
 
 
218
                        % (self.properties[u"Name"], command,
 
 
219
                           os.WEXITSTATUS(condition)))
 
194
220
        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)))
 
 
221
            self.logger(u'Checker for client %s (command "%s")'
 
 
222
                        u' was killed by signal %s'
 
 
223
                        % (self.properties[u"Name"], command,
 
 
224
                           os.WTERMSIG(condition)))
 
 
225
        elif os.WCOREDUMP(condition):
 
 
226
            self.logger(u'Checker for client %s (command "%s")'
 
 
228
                        % (self.properties[u"Name"], command))
 
 
230
            self.logger(u'Checker for client %s completed'
 
201
234
    def checker_started(self, command):
 
202
 
        """Server signals that a checker started."""
 
203
 
        self.logger('Client {} started checker "{}"'
 
204
 
                    .format(self.properties["Name"],
 
 
235
        #self.logger(u'Client %s started checker "%s"'
 
 
236
        #            % (self.properties[u"Name"], unicode(command)))
 
207
239
    def got_secret(self):
 
208
 
        self.logger('Client {} received its secret'
 
209
 
                    .format(self.properties["Name"]))
 
 
240
        self.last_checker_failed = False
 
 
241
        self.logger(u'Client %s received its secret'
 
 
242
                    % self.properties[u"Name"])
 
211
244
    def need_approval(self, timeout, default):
 
213
 
            message = 'Client {} needs approval within {} seconds'
 
 
246
            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"],
 
 
248
            message = u'Client %s will get its secret in %s seconds'
 
 
250
                    % (self.properties[u"Name"], timeout/1000))
 
 
251
        self.using_timer(True)
 
219
253
    def rejected(self, reason):
 
220
 
        self.logger('Client {} was rejected; reason: {}'
 
221
 
                    .format(self.properties["Name"], reason))
 
 
254
        self.logger(u'Client %s was rejected; reason: %s'
 
 
255
                    % (self.properties[u"Name"], reason))
 
223
257
    def selectable(self):
 
224
258
        """Make this a "selectable" widget.
 
225
259
        This overrides the method from urwid.FlowWidget."""
 
228
 
    def rows(self, maxcolrow, focus=False):
 
 
262
    def rows(self, (maxcol,), focus=False):
 
229
263
        """How many rows this widget will occupy might depend on
 
230
264
        whether we have focus or not.
 
231
265
        This overrides the method from urwid.FlowWidget"""
 
232
 
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
 
266
        return self.current_widget(focus).rows((maxcol,), focus=focus)
 
234
268
    def current_widget(self, focus=False):
 
235
269
        if focus or self.opened:
 
236
270
            return self._focus_widget
 
237
271
        return self._widget
 
239
273
    def update(self):
 
240
274
        "Called when what is visible on the screen should be updated."
 
241
275
        # 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",
 
 
276
        with_standout = { u"normal": u"standout",
 
 
277
                          u"bold": u"bold-standout",
 
 
279
                              u"underline-blink-standout",
 
 
280
                          u"bold-underline-blink":
 
 
281
                              u"bold-underline-blink-standout",
 
250
284
        # Rebuild focus and non-focus widgets using current properties
 
252
286
        # 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"])
 
 
287
        base = (u'%(name)s: '
 
 
288
                      % {u"name": self.properties[u"Name"]})
 
 
289
        if not self.properties[u"Enabled"]:
 
 
290
            message = u"DISABLED"
 
 
291
        elif self.properties[u"ApprovalPending"]:
 
 
292
            timeout = datetime.timedelta(milliseconds
 
260
295
            last_approval_request = isoformat_to_datetime(
 
261
 
                self.properties["LastApprovalRequest"])
 
 
296
                self.properties[u"LastApprovalRequest"])
 
262
297
            if last_approval_request is not None:
 
263
 
                timer = max(timeout - (datetime.datetime.utcnow()
 
264
 
                                       - last_approval_request),
 
265
 
                            datetime.timedelta())
 
 
298
                timer = timeout - (datetime.datetime.utcnow()
 
 
299
                                   - last_approval_request)
 
267
301
                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)
 
 
302
            if self.properties[u"ApprovedByDefault"]:
 
 
303
                message = u"Approval in %s. (d)eny?"
 
 
305
                message = u"Denial in %s. (a)pprove?"
 
 
306
            message = message % unicode(timer).rsplit(".", 1)[0]
 
 
307
        elif self.last_checker_failed:
 
 
308
            timeout = datetime.timedelta(milliseconds
 
 
311
            last_ok = isoformat_to_datetime(
 
 
312
                max((self.properties[u"LastCheckedOK"]
 
 
313
                     or self.properties[u"Created"]),
 
 
314
                    self.properties[u"LastEnabled"]))
 
 
315
            timer = timeout - (datetime.datetime.utcnow() - last_ok)
 
 
316
            message = (u'A checker has failed! Time until client'
 
 
317
                       u' gets disabled: %s'
 
 
318
                           % unicode(timer).rsplit(".", 1)[0])
 
290
 
            self.using_timer(False)
 
291
 
        self._text = "{}{}".format(base, message)
 
 
321
        self._text = "%s%s" % (base, message)
 
293
323
        if not urwid.supports_unicode():
 
294
324
            self._text = self._text.encode("ascii", "replace")
 
295
 
        textlist = [("normal", self._text)]
 
 
325
        textlist = [(u"normal", self._text)]
 
296
326
        self._text_widget.set_text(textlist)
 
297
327
        self._focus_text_widget.set_text([(with_standout[text[0]],
 
 
305
335
        # Run update hook, if any
 
306
336
        if self.update_hook is not None:
 
307
337
            self.update_hook()
 
309
339
    def update_timer(self):
 
310
 
        """called by GLib. Will indefinitely loop until
 
311
 
        GLib.source_remove() on tag is called
 
314
342
        return True             # Keep calling this
 
316
 
    def delete(self, **kwargs):
 
317
345
        if self._update_timer_callback_tag is not None:
 
318
 
            GLib.source_remove(self._update_timer_callback_tag)
 
 
346
            gobject.source_remove(self._update_timer_callback_tag)
 
319
347
            self._update_timer_callback_tag = None
 
320
 
        for match in self.match_objects:
 
322
 
        self.match_objects = ()
 
323
348
        if self.delete_hook is not None:
 
324
349
            self.delete_hook(self)
 
325
 
        return super(MandosClientWidget, self).delete(**kwargs)
 
327
 
    def render(self, maxcolrow, focus=False):
 
 
351
    def render(self, (maxcol,), focus=False):
 
328
352
        """Render differently if we have focus.
 
329
353
        This overrides the method from urwid.FlowWidget"""
 
330
 
        return self.current_widget(focus).render(maxcolrow,
 
 
354
        return self.current_widget(focus).render((maxcol,),
 
333
 
    def keypress(self, maxcolrow, key):
 
 
357
    def keypress(self, (maxcol,), key):
 
335
359
        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)
 
 
361
            self.proxy.Enable(dbus_interface = client_interface)
 
 
363
            self.proxy.Disable(dbus_interface = client_interface)
 
345
365
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
 
346
 
                               dbus_interface=client_interface,
 
 
366
                               dbus_interface = client_interface)
 
349
368
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
 
350
 
                               dbus_interface=client_interface,
 
352
 
        elif key == "R" or key == "_" or key == "ctrl k":
 
 
369
                                  dbus_interface = client_interface)
 
 
370
        elif key == u"R" or key == u"_" or key == u"ctrl k":
 
353
371
            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,
 
 
374
            self.proxy.StartChecker(dbus_interface = client_interface)
 
 
376
            self.proxy.StopChecker(dbus_interface = client_interface)
 
 
378
            self.proxy.CheckedOK(dbus_interface = client_interface)
 
368
 
#         elif key == "p" or key == "=":
 
 
380
#         elif key == u"p" or key == "=":
 
369
381
#             self.proxy.pause()
 
370
 
#         elif key == "u" or key == ":":
 
 
382
#         elif key == u"u" or key == ":":
 
371
383
#             self.proxy.unpause()
 
 
384
#         elif key == u"RET":
 
377
 
    def properties_changed(self, interface, properties, invalidated):
 
378
 
        """Call self.update() if any properties changed.
 
 
389
    def property_changed(self, property=None, value=None,
 
 
391
        """Call self.update() if old value is not new value.
 
379
392
        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):
 
 
393
        property_name = unicode(property)
 
 
394
        old_value = self.properties.get(property_name)
 
 
395
        super(MandosClientWidget, self).property_changed(
 
 
396
            property=property, value=value, *args, **kwargs)
 
 
397
        if self.properties.get(property_name) != old_value:
 
 
403
415
    """This is the entire user interface - the whole screen
 
404
416
    with boxes, lists of client widgets, etc.
 
406
 
    def __init__(self, max_log_length=1000, log_level=1):
 
 
418
    def __init__(self, max_log_length=1000):
 
407
419
        DBusGMainLoop(set_as_default=True)
 
409
421
        self.screen = urwid.curses_display.Screen()
 
411
423
        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"),
 
 
425
                 u"default", u"default", None),
 
 
427
                 u"default", u"default", u"bold"),
 
 
429
                 u"default", u"default", u"underline"),
 
 
431
                 u"default", u"default", u"standout"),
 
 
432
                (u"bold-underline-blink",
 
 
433
                 u"default", u"default", (u"bold", u"underline")),
 
 
435
                 u"default", u"default", (u"bold", u"standout")),
 
 
436
                (u"underline-blink-standout",
 
 
437
                 u"default", u"default", (u"underline", u"standout")),
 
 
438
                (u"bold-underline-blink-standout",
 
 
439
                 u"default", u"default", (u"bold", u"underline",
 
433
443
        if urwid.supports_unicode():
 
434
 
            self.divider = "─"  # \u2500
 
 
444
            self.divider = u"─" # \u2500
 
 
445
            #self.divider = u"━" # \u2501
 
436
 
            self.divider = "_"  # \u005f
 
 
447
            #self.divider = u"-" # \u002d
 
 
448
            self.divider = u"_" # \u005f
 
438
450
        self.screen.start()
 
440
452
        self.size = self.screen.get_cols_rows()
 
442
454
        self.clients = urwid.SimpleListWalker([])
 
443
455
        self.clients_dict = {}
 
445
457
        # We will add Text widgets to this list
 
447
459
        self.max_log_length = max_log_length
 
449
 
        self.log_level = log_level
 
451
461
        # We keep a reference to the log widget so we can remove it
 
452
462
        # from the ListWalker without it getting destroyed
 
453
463
        self.logbox = ConstrainedListBox(self.log)
 
455
465
        # This keeps track of whether self.uilist currently has
 
456
466
        # self.logbox in it or not
 
457
467
        self.log_visible = True
 
458
 
        self.log_wrap = "any"
 
 
468
        self.log_wrap = u"any"
 
461
 
        self.log_message_raw(("bold",
 
462
 
                              "Mandos Monitor version " + version))
 
463
 
        self.log_message_raw(("bold",
 
 
471
        self.log_message_raw((u"bold",
 
 
472
                              u"Mandos Monitor version " + version))
 
 
473
        self.log_message_raw((u"bold",
 
466
476
        self.busname = domain + '.Mandos'
 
467
 
        self.main_loop = GLib.MainLoop()
 
 
477
        self.main_loop = gobject.MainLoop()
 
 
478
        self.bus = dbus.SystemBus()
 
 
479
        mandos_dbus_objc = self.bus.get_object(
 
 
480
            self.busname, u"/", follow_name_owner_changes=True)
 
 
481
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
 
485
            mandos_clients = (self.mandos_serv
 
 
486
                              .GetAllClientsWithProperties())
 
 
487
        except dbus.exceptions.DBusException:
 
 
488
            mandos_clients = dbus.Dictionary()
 
 
491
         .connect_to_signal(u"ClientRemoved",
 
 
492
                            self.find_and_remove_client,
 
 
493
                            dbus_interface=server_interface,
 
 
496
         .connect_to_signal(u"ClientAdded",
 
 
498
                            dbus_interface=server_interface,
 
 
501
         .connect_to_signal(u"ClientNotFound",
 
 
502
                            self.client_not_found,
 
 
503
                            dbus_interface=server_interface,
 
 
505
        for path, client in mandos_clients.iteritems():
 
 
506
            client_proxy_object = self.bus.get_object(self.busname,
 
 
508
            self.add_client(MandosClientWidget(server_proxy_object
 
 
511
                                               =client_proxy_object,
 
469
521
    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))
 
 
522
        self.log_message((u"Client with address %s and fingerprint %s"
 
 
523
                          u" could not be found" % (address,
 
474
526
    def rebuild(self):
 
475
527
        """This rebuilds the User Interface.
 
476
528
        Call this when the widget layout needs to change"""
 
478
 
        # self.uilist.append(urwid.ListBox(self.clients))
 
 
530
        #self.uilist.append(urwid.ListBox(self.clients))
 
479
531
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
 
481
 
                                       # header=urwid.Divider(),
 
 
533
                                       #header=urwid.Divider(),
 
483
 
                                       footer=urwid.Divider(
 
484
 
                                           div_char=self.divider)))
 
 
536
                                       urwid.Divider(div_char=
 
485
538
        if self.log_visible:
 
486
539
            self.uilist.append(self.logbox)
 
487
541
        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:
 
 
543
    def log_message(self, message):
 
493
544
        timestamp = datetime.datetime.now().isoformat()
 
494
 
        self.log_message_raw("{}: {}".format(timestamp, message),
 
497
 
    def log_message_raw(self, markup, level=1):
 
 
545
        self.log_message_raw(timestamp + u": " + message)
 
 
547
    def log_message_raw(self, markup):
 
498
548
        """Add a log message to the log buffer."""
 
499
 
        if level < self.log_level:
 
501
549
        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]
 
 
550
        if (self.max_log_length
 
 
551
            and len(self.log) > self.max_log_length):
 
 
552
            del self.log[0:len(self.log)-self.max_log_length-1]
 
505
553
        self.logbox.set_focus(len(self.logbox.body.contents),
 
 
554
                              coming_from=u"above")
 
509
557
    def toggle_log_display(self):
 
510
558
        """Toggle visibility of the log buffer."""
 
511
559
        self.log_visible = not self.log_visible
 
513
 
        self.log_message("Log visibility changed to: {}"
 
514
 
                         .format(self.log_visible), level=0)
 
 
561
        #self.log_message(u"Log visibility changed to: "
 
 
562
        #                 + unicode(self.log_visible))
 
516
564
    def change_log_display(self):
 
517
565
        """Change type of log display.
 
518
566
        Currently, this toggles wrapping of text lines."""
 
519
 
        if self.log_wrap == "clip":
 
520
 
            self.log_wrap = "any"
 
 
567
        if self.log_wrap == u"clip":
 
 
568
            self.log_wrap = u"any"
 
522
 
            self.log_wrap = "clip"
 
 
570
            self.log_wrap = u"clip"
 
523
571
        for textwidget in self.log:
 
524
572
            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
 
 
573
        #self.log_message(u"Wrap mode: " + self.log_wrap)
 
 
575
    def find_and_remove_client(self, path, name):
 
 
576
        """Find an client from its object path and remove it.
 
 
578
        This is connected to the ClientRemoved signal from the
 
532
579
        Mandos server object."""
 
533
 
        if client_interface not in interfaces:
 
534
 
            # Not a Mandos client object; ignore
 
537
581
            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
 
 
585
        self.remove_client(client, path)
 
 
587
    def add_new_client(self, path):
 
554
588
        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])),
 
 
589
        self.add_client(MandosClientWidget(server_proxy_object
 
 
592
                                           =client_proxy_object,
 
564
601
    def add_client(self, client, path=None):
 
565
602
        self.clients.append(client)
 
567
604
            path = client.proxy.object_path
 
568
605
        self.clients_dict[path] = client
 
569
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
 
606
        self.clients.sort(None, lambda c: c.properties[u"Name"])
 
572
609
    def remove_client(self, client, path=None):
 
573
610
        self.clients.remove(client)
 
575
612
            path = client.proxy.object_path
 
576
613
        del self.clients_dict[path]
 
 
614
        if not self.clients_dict:
 
 
615
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
 
616
            # is completely emptied, we need to recreate it.
 
 
617
            self.clients = urwid.SimpleListWalker([])
 
579
621
    def refresh(self):
 
580
622
        """Redraw the screen"""
 
581
623
        canvas = self.topwidget.render(self.size, focus=True)
 
582
624
        self.screen.draw_screen(self.size, canvas)
 
585
627
        """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
 
 
629
        self._input_callback_tag = (gobject.io_add_watch
 
631
630
                                    (sys.stdin.fileno(),
 
633
632
                                     self.process_input))
 
634
633
        self.main_loop.run()
 
635
634
        # Main loop has finished, we should close everything now
 
636
 
        GLib.source_remove(self._input_callback_tag)
 
 
635
        gobject.source_remove(self._input_callback_tag)
 
637
636
        self.screen.stop()
 
640
639
        self.main_loop.quit()
 
642
641
    def process_input(self, source, condition):
 
643
642
        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
 
 
643
        translations = { u"ctrl n": u"down",      # Emacs
 
 
644
                         u"ctrl p": u"up",        # Emacs
 
 
645
                         u"ctrl v": u"page down", # Emacs
 
 
646
                         u"meta v": u"page up",   # Emacs
 
 
647
                         u" ": u"page down",      # less
 
 
648
                         u"f": u"page down",      # less
 
 
649
                         u"b": u"page up",        # less
 
656
655
                key = translations[key]
 
657
656
            except KeyError:    # :-)
 
660
 
            if key == "q" or key == "Q":
 
 
659
            if key == u"q" or key == u"Q":
 
663
 
            elif key == "window resize":
 
 
662
            elif key == u"window resize":
 
664
663
                self.size = self.screen.get_cols_rows()
 
666
 
            elif key == "ctrl l":
 
 
665
            elif key == u"\f":  # Ctrl-L
 
669
 
            elif key == "l" or key == "D":
 
 
667
            elif key == u"l" or key == u"D":
 
670
668
                self.toggle_log_display()
 
672
 
            elif key == "w" or key == "i":
 
 
670
            elif key == u"w" or key == u"i":
 
673
671
                self.change_log_display()
 
675
 
            elif key == "?" or key == "f1" or key == "esc":
 
 
673
            elif key == u"?" or key == u"f1" or key == u"esc":
 
676
674
                if not self.log_visible:
 
677
675
                    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",
 
 
677
                self.log_message_raw((u"bold",
 
 
681
                                            u"l: Log window toggle",
 
 
682
                                            u"TAB: Switch window",
 
 
684
                self.log_message_raw((u"bold",
 
 
690
                                             u"s: Start new checker",
 
701
697
                if self.topwidget.get_focus() is self.logbox:
 
702
698
                    self.topwidget.set_focus(0)
 
704
700
                    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
 
 
702
            #elif (key == u"end" or key == u"meta >" or key == u"G"
 
 
704
            #    pass            # xxx end-of-buffer
 
 
705
            #elif (key == u"home" or key == u"meta <" or key == u"g"
 
 
707
            #    pass            # xxx beginning-of-buffer
 
 
708
            #elif key == u"ctrl e" or key == u"$":
 
 
709
            #    pass            # xxx move-end-of-line
 
 
710
            #elif key == u"ctrl a" or key == u"^":
 
 
711
            #    pass            # xxx move-beginning-of-line
 
 
712
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
 
 
714
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
 
 
717
            #    pass            # scroll up log
 
 
719
            #    pass            # scroll down log
 
731
720
            elif self.topwidget.selectable():
 
732
721
                self.topwidget.keypress(self.size, key)
 
737
725
ui = UserInterface()
 
740
728
except KeyboardInterrupt:
 
742
 
except Exception as e:
 
743
 
    ui.log_message(str(e))
 
 
731
    ui.log_message(unicode(e))