41
15
from dbus.mainloop.glib import DBusGMainLoop
 
42
 
from gi.repository import GLib
 
50
 
if sys.version_info.major == 2:
 
53
 
locale.setlocale(locale.LC_ALL, '')
 
55
 
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
 
 
24
locale.setlocale(locale.LC_ALL, u'')
 
57
26
# Some useful constants
 
58
 
domain = 'se.recompile'
 
 
27
domain = 'se.bsnet.fukt'
 
59
28
server_interface = domain + '.Mandos'
 
60
29
client_interface = domain + '.Mandos.Client'
 
64
 
    dbus.OBJECT_MANAGER_IFACE
 
65
 
except AttributeError:
 
66
 
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
 
 
32
# Always run in monochrome mode
 
 
33
urwid.curses_display.curses.has_colors = lambda : False
 
 
35
# Urwid doesn't support blinking, but we want it.  Since we have no
 
 
36
# use for underline on its own, we make underline also always blink.
 
 
37
urwid.curses_display.curses.A_UNDERLINE |= (
 
 
38
    urwid.curses_display.curses.A_BLINK)
 
69
40
def isoformat_to_datetime(iso):
 
70
41
    "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)
 
 
44
    d, t = iso.split(u"T", 1)
 
 
45
    year, month, day = d.split(u"-", 2)
 
 
46
    hour, minute, second = t.split(u":", 2)
 
76
47
    second, fraction = divmod(float(second), 1)
 
77
48
    return datetime.datetime(int(year),
 
82
 
                             int(second),            # Whole seconds
 
83
 
                             int(fraction*1000000))  # Microseconds
 
 
53
                             int(second),           # Whole seconds
 
 
54
                             int(fraction*1000000)) # Microseconds
 
86
56
class MandosClientPropertyCache(object):
 
87
57
    """This wraps a Mandos Client D-Bus proxy object, caches the
 
88
58
    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.
 
 
61
    def __init__(self, proxy_object=None, *args, **kwargs):
 
 
62
        self.proxy = proxy_object # Mandos Client proxy object
 
 
64
        self.properties = dict()
 
 
65
        self.proxy.connect_to_signal(u"PropertyChanged",
 
 
66
                                     self.property_changed,
 
 
70
        self.properties.update(
 
 
71
            self.proxy.GetAll(client_interface,
 
 
72
                              dbus_interface = dbus.PROPERTIES_IFACE))
 
 
73
        super(MandosClientPropertyCache, self).__init__(
 
 
74
            proxy_object=proxy_object, *args, **kwargs)
 
 
76
    def property_changed(self, property=None, value=None):
 
 
77
        """This is called whenever we get a PropertyChanged signal
 
 
78
        It updates the changed property in the "properties" dict.
 
111
80
        # Update properties dict with new value
 
112
 
        if interface == client_interface:
 
113
 
            self.properties.update(properties)
 
116
 
        self.property_changed_match.remove()
 
 
81
        self.properties[property] = value
 
119
84
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
 
120
85
    """A Mandos Client which is visible on the screen.
 
123
88
    def __init__(self, server_proxy_object=None, update_hook=None,
 
124
 
                 delete_hook=None, logger=None, **kwargs):
 
 
89
                 delete_hook=None, logger=None, *args, **kwargs):
 
125
90
        # Called on update
 
126
91
        self.update_hook = update_hook
 
127
92
        # Called on delete
 
 
130
95
        self.server_proxy_object = server_proxy_object
 
132
97
        self.logger = logger
 
134
99
        self._update_timer_callback_tag = None
 
 
100
        self.last_checker_failed = False
 
136
102
        # The widget shown normally
 
137
 
        self._text_widget = urwid.Text("")
 
 
103
        self._text_widget = urwid.Text(u"")
 
138
104
        # The widget shown when we have focus
 
139
 
        self._focus_text_widget = urwid.Text("")
 
140
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
 
105
        self._focus_text_widget = urwid.Text(u"")
 
 
106
        super(MandosClientWidget, self).__init__(
 
 
107
            update_hook=update_hook, delete_hook=delete_hook,
 
142
110
        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
 
 
111
        self.proxy.connect_to_signal(u"CheckerCompleted",
 
 
112
                                     self.checker_completed,
 
 
115
        self.proxy.connect_to_signal(u"CheckerStarted",
 
 
116
                                     self.checker_started,
 
 
119
        self.proxy.connect_to_signal(u"GotSecret",
 
 
123
        self.proxy.connect_to_signal(u"Rejected",
 
 
127
        last_checked_ok = isoformat_to_datetime(self.properties
 
 
129
        if last_checked_ok is None:
 
 
130
            self.last_checker_failed = True
 
 
132
            self.last_checker_failed = ((datetime.datetime.utcnow()
 
 
136
                                         self.properties["interval"]))
 
 
137
        if self.last_checker_failed:
 
 
138
            self._update_timer_callback_tag = (gobject.timeout_add
 
176
140
                                                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
142
    def checker_completed(self, exitstatus, condition, command):
 
182
143
        if exitstatus == 0:
 
183
 
            self.logger('Checker for client {} (command "{}")'
 
184
 
                        ' succeeded'.format(self.properties["Name"],
 
 
144
            if self.last_checker_failed:
 
 
145
                self.last_checker_failed = False
 
 
146
                gobject.source_remove(self._update_timer_callback_tag)
 
 
147
                self._update_timer_callback_tag = None
 
 
148
            self.logger(u'Checker for client %s (command "%s")'
 
 
150
                        % (self.properties[u"name"], command))
 
 
154
        if not self.last_checker_failed:
 
 
155
            self.last_checker_failed = True
 
 
156
            self._update_timer_callback_tag = (gobject.timeout_add
 
189
159
        if os.WIFEXITED(condition):
 
190
 
            self.logger('Checker for client {} (command "{}") failed'
 
192
 
                        .format(self.properties["Name"], command,
 
193
 
                                os.WEXITSTATUS(condition)))
 
 
160
            self.logger(u'Checker for client %s (command "%s")'
 
 
161
                        u' failed with exit code %s'
 
 
162
                        % (self.properties[u"name"], command,
 
 
163
                           os.WEXITSTATUS(condition)))
 
194
164
        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)))
 
 
165
            self.logger(u'Checker for client %s (command "%s")'
 
 
166
                        u' was killed by signal %s'
 
 
167
                        % (self.properties[u"name"], command,
 
 
168
                           os.WTERMSIG(condition)))
 
 
169
        elif os.WCOREDUMP(condition):
 
 
170
            self.logger(u'Checker for client %s (command "%s")'
 
 
172
                        % (self.properties[u"name"], command))
 
 
174
            self.logger(u'Checker for client %s completed mysteriously')
 
201
177
    def checker_started(self, command):
 
202
 
        """Server signals that a checker started."""
 
203
 
        self.logger('Client {} started checker "{}"'
 
204
 
                    .format(self.properties["Name"],
 
 
178
        self.logger(u'Client %s started checker "%s"'
 
 
179
                    % (self.properties[u"name"], unicode(command)))
 
207
181
    def got_secret(self):
 
208
 
        self.logger('Client {} received its secret'
 
209
 
                    .format(self.properties["Name"]))
 
211
 
    def need_approval(self, timeout, default):
 
213
 
            message = 'Client {} needs approval within {} seconds'
 
215
 
            message = 'Client {} will get its secret in {} seconds'
 
216
 
        self.logger(message.format(self.properties["Name"],
 
219
 
    def rejected(self, reason):
 
220
 
        self.logger('Client {} was rejected; reason: {}'
 
221
 
                    .format(self.properties["Name"], reason))
 
 
182
        self.logger(u'Client %s received its secret'
 
 
183
                    % self.properties[u"name"])
 
 
186
        self.logger(u'Client %s was rejected'
 
 
187
                    % self.properties[u"name"])
 
223
189
    def selectable(self):
 
224
190
        """Make this a "selectable" widget.
 
225
191
        This overrides the method from urwid.FlowWidget."""
 
228
 
    def rows(self, maxcolrow, focus=False):
 
 
194
    def rows(self, (maxcol,), focus=False):
 
229
195
        """How many rows this widget will occupy might depend on
 
230
196
        whether we have focus or not.
 
231
197
        This overrides the method from urwid.FlowWidget"""
 
232
 
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
 
198
        return self.current_widget(focus).rows((maxcol,), focus=focus)
 
234
200
    def current_widget(self, focus=False):
 
235
201
        if focus or self.opened:
 
236
202
            return self._focus_widget
 
237
203
        return self._widget
 
239
205
    def update(self):
 
240
206
        "Called when what is visible on the screen should be updated."
 
241
207
        # 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",
 
 
208
        with_standout = { u"normal": u"standout",
 
 
209
                          u"bold": u"bold-standout",
 
 
211
                              u"underline-blink-standout",
 
 
212
                          u"bold-underline-blink":
 
 
213
                              u"bold-underline-blink-standout",
 
250
216
        # Rebuild focus and non-focus widgets using current properties
 
252
 
        # 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)
 
290
 
            self.using_timer(False)
 
291
 
        self._text = "{}{}".format(base, message)
 
 
217
        self._text = (u'%(name)s: %(enabled)s%(timer)s'
 
 
218
                      % { u"name": self.properties[u"name"],
 
 
221
                               if self.properties[u"enabled"]
 
 
223
                          u"timer": (unicode(datetime.timedelta
 
 
229
                                                - isoformat_to_datetime
 
 
230
                                                (max((self.properties
 
 
235
                                                    self.properties[u"last_enabled"]))))
 
 
236
                                     if (self.last_checker_failed
 
293
240
        if not urwid.supports_unicode():
 
294
241
            self._text = self._text.encode("ascii", "replace")
 
295
 
        textlist = [("normal", self._text)]
 
 
242
        textlist = [(u"normal", self._text)]
 
296
243
        self._text_widget.set_text(textlist)
 
297
244
        self._focus_text_widget.set_text([(with_standout[text[0]],
 
 
305
252
        # Run update hook, if any
 
306
253
        if self.update_hook is not None:
 
307
254
            self.update_hook()
 
309
256
    def update_timer(self):
 
310
 
        """called by GLib. Will indefinitely loop until
 
311
 
        GLib.source_remove() on tag is called
 
314
259
        return True             # Keep calling this
 
316
 
    def delete(self, **kwargs):
 
317
262
        if self._update_timer_callback_tag is not None:
 
318
 
            GLib.source_remove(self._update_timer_callback_tag)
 
 
263
            gobject.source_remove(self._update_timer_callback_tag)
 
319
264
            self._update_timer_callback_tag = None
 
320
 
        for match in self.match_objects:
 
322
 
        self.match_objects = ()
 
323
265
        if self.delete_hook is not None:
 
324
266
            self.delete_hook(self)
 
325
 
        return super(MandosClientWidget, self).delete(**kwargs)
 
327
 
    def render(self, maxcolrow, focus=False):
 
 
268
    def render(self, (maxcol,), focus=False):
 
328
269
        """Render differently if we have focus.
 
329
270
        This overrides the method from urwid.FlowWidget"""
 
330
 
        return self.current_widget(focus).render(maxcolrow,
 
 
271
        return self.current_widget(focus).render((maxcol,),
 
333
 
    def keypress(self, maxcolrow, key):
 
 
274
    def keypress(self, (maxcol,), key):
 
335
276
        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)
 
345
 
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
 
346
 
                               dbus_interface=client_interface,
 
349
 
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
 
350
 
                               dbus_interface=client_interface,
 
352
 
        elif key == "R" or key == "_" or key == "ctrl k":
 
 
277
        if key == u"e" or key == u"+":
 
 
279
        elif key == u"d" or key == u"-":
 
 
281
        elif key == u"r" or key == u"_" or key == u"ctrl k":
 
353
282
            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,
 
 
285
            self.proxy.StartChecker()
 
 
287
            self.proxy.StopChecker()
 
 
289
            self.proxy.CheckedOK()
 
368
 
#         elif key == "p" or key == "=":
 
 
291
#         elif key == u"p" or key == "=":
 
369
292
#             self.proxy.pause()
 
370
 
#         elif key == "u" or key == ":":
 
 
293
#         elif key == u"u" or key == ":":
 
371
294
#             self.proxy.unpause()
 
 
295
#         elif key == u"RET":
 
377
 
    def properties_changed(self, interface, properties, invalidated):
 
378
 
        """Call self.update() if any properties changed.
 
 
300
    def property_changed(self, property=None, value=None,
 
 
302
        """Call self.update() if old value is not new value.
 
379
303
        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):
 
 
304
        property_name = unicode(property)
 
 
305
        old_value = self.properties.get(property_name)
 
 
306
        super(MandosClientWidget, self).property_changed(
 
 
307
            property=property, value=value, *args, **kwargs)
 
 
308
        if self.properties.get(property_name) != old_value:
 
 
403
325
    """This is the entire user interface - the whole screen
 
404
326
    with boxes, lists of client widgets, etc.
 
406
 
    def __init__(self, max_log_length=1000, log_level=1):
 
 
328
    def __init__(self, max_log_length=1000):
 
407
329
        DBusGMainLoop(set_as_default=True)
 
409
331
        self.screen = urwid.curses_display.Screen()
 
411
333
        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"),
 
 
335
                 u"default", u"default", None),
 
 
337
                 u"default", u"default", u"bold"),
 
 
339
                 u"default", u"default", u"underline"),
 
 
341
                 u"default", u"default", u"standout"),
 
 
342
                (u"bold-underline-blink",
 
 
343
                 u"default", u"default", (u"bold", u"underline")),
 
 
345
                 u"default", u"default", (u"bold", u"standout")),
 
 
346
                (u"underline-blink-standout",
 
 
347
                 u"default", u"default", (u"underline", u"standout")),
 
 
348
                (u"bold-underline-blink-standout",
 
 
349
                 u"default", u"default", (u"bold", u"underline",
 
433
353
        if urwid.supports_unicode():
 
434
 
            self.divider = "─"  # \u2500
 
 
354
            self.divider = u"─" # \u2500
 
 
355
            #self.divider = u"━" # \u2501
 
436
 
            self.divider = "_"  # \u005f
 
 
357
            #self.divider = u"-" # \u002d
 
 
358
            self.divider = u"_" # \u005f
 
438
360
        self.screen.start()
 
440
362
        self.size = self.screen.get_cols_rows()
 
442
364
        self.clients = urwid.SimpleListWalker([])
 
443
365
        self.clients_dict = {}
 
445
367
        # We will add Text widgets to this list
 
447
369
        self.max_log_length = max_log_length
 
449
 
        self.log_level = log_level
 
451
371
        # We keep a reference to the log widget so we can remove it
 
452
372
        # from the ListWalker without it getting destroyed
 
453
373
        self.logbox = ConstrainedListBox(self.log)
 
455
375
        # This keeps track of whether self.uilist currently has
 
456
376
        # self.logbox in it or not
 
457
377
        self.log_visible = True
 
458
 
        self.log_wrap = "any"
 
 
378
        self.log_wrap = u"any"
 
461
 
        self.log_message_raw(("bold",
 
462
 
                              "Mandos Monitor version " + version))
 
463
 
        self.log_message_raw(("bold",
 
 
381
        self.log_message_raw((u"bold",
 
 
382
                              u"Mandos Monitor version " + version))
 
 
383
        self.log_message_raw((u"bold",
 
466
386
        self.busname = domain + '.Mandos'
 
467
 
        self.main_loop = GLib.MainLoop()
 
 
387
        self.main_loop = gobject.MainLoop()
 
 
388
        self.bus = dbus.SystemBus()
 
 
389
        mandos_dbus_objc = self.bus.get_object(
 
 
390
            self.busname, u"/", follow_name_owner_changes=True)
 
 
391
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
 
395
            mandos_clients = (self.mandos_serv
 
 
396
                              .GetAllClientsWithProperties())
 
 
397
        except dbus.exceptions.DBusException:
 
 
398
            mandos_clients = dbus.Dictionary()
 
 
401
         .connect_to_signal(u"ClientRemoved",
 
 
402
                            self.find_and_remove_client,
 
 
403
                            dbus_interface=server_interface,
 
 
406
         .connect_to_signal(u"ClientAdded",
 
 
408
                            dbus_interface=server_interface,
 
 
411
         .connect_to_signal(u"ClientNotFound",
 
 
412
                            self.client_not_found,
 
 
413
                            dbus_interface=server_interface,
 
 
415
        for path, client in mandos_clients.iteritems():
 
 
416
            client_proxy_object = self.bus.get_object(self.busname,
 
 
418
            self.add_client(MandosClientWidget(server_proxy_object
 
 
421
                                               =client_proxy_object,
 
469
431
    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))
 
 
432
        self.log_message((u"Client with address %s and fingerprint %s"
 
 
433
                          u" could not be found" % (address,
 
474
436
    def rebuild(self):
 
475
437
        """This rebuilds the User Interface.
 
476
438
        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(),
 
 
440
        #self.uilist.append(urwid.ListBox(self.clients))
 
 
441
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
 
 
442
                                       #header=urwid.Divider(),
 
483
 
                                       footer=urwid.Divider(
 
484
 
                                           div_char=self.divider)))
 
 
444
                                       footer=urwid.Divider(div_char=self.divider)))
 
485
445
        if self.log_visible:
 
486
446
            self.uilist.append(self.logbox)
 
487
448
        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:
 
 
450
    def log_message(self, message):
 
493
451
        timestamp = datetime.datetime.now().isoformat()
 
494
 
        self.log_message_raw("{}: {}".format(timestamp, message),
 
497
 
    def log_message_raw(self, markup, level=1):
 
 
452
        self.log_message_raw(timestamp + u": " + message)
 
 
454
    def log_message_raw(self, markup):
 
498
455
        """Add a log message to the log buffer."""
 
499
 
        if level < self.log_level:
 
501
456
        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]
 
 
457
        if (self.max_log_length
 
 
458
            and len(self.log) > self.max_log_length):
 
 
459
            del self.log[0:len(self.log)-self.max_log_length-1]
 
505
460
        self.logbox.set_focus(len(self.logbox.body.contents),
 
 
461
                              coming_from=u"above")
 
509
464
    def toggle_log_display(self):
 
510
465
        """Toggle visibility of the log buffer."""
 
511
466
        self.log_visible = not self.log_visible
 
513
 
        self.log_message("Log visibility changed to: {}"
 
514
 
                         .format(self.log_visible), level=0)
 
 
468
        self.log_message(u"Log visibility changed to: "
 
 
469
                         + unicode(self.log_visible))
 
516
471
    def change_log_display(self):
 
517
472
        """Change type of log display.
 
518
473
        Currently, this toggles wrapping of text lines."""
 
519
 
        if self.log_wrap == "clip":
 
520
 
            self.log_wrap = "any"
 
 
474
        if self.log_wrap == u"clip":
 
 
475
            self.log_wrap = u"any"
 
522
 
            self.log_wrap = "clip"
 
 
477
            self.log_wrap = u"clip"
 
523
478
        for textwidget in self.log:
 
524
479
            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
 
 
480
        self.log_message(u"Wrap mode: " + self.log_wrap)
 
 
482
    def find_and_remove_client(self, path, name):
 
 
483
        """Find an client from its object path and remove it.
 
 
485
        This is connected to the ClientRemoved signal from the
 
532
486
        Mandos server object."""
 
533
 
        if client_interface not in interfaces:
 
534
 
            # Not a Mandos client object; ignore
 
537
488
            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
 
 
492
        self.remove_client(client, path)
 
 
494
    def add_new_client(self, path):
 
554
495
        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])),
 
 
496
        self.add_client(MandosClientWidget(server_proxy_object
 
 
499
                                           =client_proxy_object,
 
564
508
    def add_client(self, client, path=None):
 
565
509
        self.clients.append(client)
 
567
511
            path = client.proxy.object_path
 
568
512
        self.clients_dict[path] = client
 
569
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
 
513
        self.clients.sort(None, lambda c: c.properties[u"name"])
 
572
516
    def remove_client(self, client, path=None):
 
573
517
        self.clients.remove(client)
 
575
519
            path = client.proxy.object_path
 
576
520
        del self.clients_dict[path]
 
 
521
        if not self.clients_dict:
 
 
522
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
 
523
            # is completely emptied, we need to recreate it.
 
 
524
            self.clients = urwid.SimpleListWalker([])
 
579
528
    def refresh(self):
 
580
529
        """Redraw the screen"""
 
581
530
        canvas = self.topwidget.render(self.size, focus=True)
 
582
531
        self.screen.draw_screen(self.size, canvas)
 
585
534
        """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
 
 
536
        self._input_callback_tag = (gobject.io_add_watch
 
631
537
                                    (sys.stdin.fileno(),
 
633
539
                                     self.process_input))
 
634
540
        self.main_loop.run()
 
635
541
        # Main loop has finished, we should close everything now
 
636
 
        GLib.source_remove(self._input_callback_tag)
 
 
542
        gobject.source_remove(self._input_callback_tag)
 
637
543
        self.screen.stop()
 
640
546
        self.main_loop.quit()
 
642
548
    def process_input(self, source, condition):
 
643
549
        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
 
 
550
        translations = { u"ctrl n": u"down",      # Emacs
 
 
551
                         u"ctrl p": u"up",        # Emacs
 
 
552
                         u"ctrl v": u"page down", # Emacs
 
 
553
                         u"meta v": u"page up",   # Emacs
 
 
554
                         u" ": u"page down",      # less
 
 
555
                         u"f": u"page down",      # less
 
 
556
                         u"b": u"page up",        # less
 
656
562
                key = translations[key]
 
657
563
            except KeyError:    # :-)
 
660
 
            if key == "q" or key == "Q":
 
 
566
            if key == u"q" or key == u"Q":
 
663
 
            elif key == "window resize":
 
 
569
            elif key == u"window resize":
 
664
570
                self.size = self.screen.get_cols_rows()
 
666
 
            elif key == "ctrl l":
 
 
572
            elif key == u"\f":  # Ctrl-L
 
669
 
            elif key == "l" or key == "D":
 
 
574
            elif key == u"l" or key == u"D":
 
670
575
                self.toggle_log_display()
 
672
 
            elif key == "w" or key == "i":
 
 
577
            elif key == u"w" or key == u"i":
 
673
578
                self.change_log_display()
 
675
 
            elif key == "?" or key == "f1" or key == "esc":
 
 
580
            elif key == u"?" or key == u"f1" or key == u"esc":
 
676
581
                if not self.log_visible:
 
677
582
                    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",
 
 
584
                self.log_message_raw((u"bold",
 
 
588
                                            u"l: Log window toggle",
 
 
589
                                            u"TAB: Switch window",
 
 
591
                self.log_message_raw((u"bold",
 
 
597
                                             u"s: Start new checker",
 
701
602
                if self.topwidget.get_focus() is self.logbox:
 
702
603
                    self.topwidget.set_focus(0)
 
704
605
                    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
 
 
607
            #elif (key == u"end" or key == u"meta >" or key == u"G"
 
 
609
            #    pass            # xxx end-of-buffer
 
 
610
            #elif (key == u"home" or key == u"meta <" or key == u"g"
 
 
612
            #    pass            # xxx beginning-of-buffer
 
 
613
            #elif key == u"ctrl e" or key == u"$":
 
 
614
            #    pass            # xxx move-end-of-line
 
 
615
            #elif key == u"ctrl a" or key == u"^":
 
 
616
            #    pass            # xxx move-beginning-of-line
 
 
617
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
 
 
619
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
 
 
622
            #    pass            # scroll up log
 
 
624
            #    pass            # scroll down log
 
731
625
            elif self.topwidget.selectable():
 
732
626
                self.topwidget.keypress(self.size, key)
 
737
630
ui = UserInterface()
 
740
 
except KeyboardInterrupt:
 
742
 
except Exception as e:
 
743
 
    ui.log_message(str(e))
 
 
634
    ui.log_message(unicode(e))