41
15
from dbus.mainloop.glib import DBusGMainLoop
 
42
 
from gi.repository import GLib
 
 
24
locale.setlocale(locale.LC_ALL, u'')
 
50
 
if sys.version_info.major == 2:
 
53
 
locale.setlocale(locale.LC_ALL, '')
 
55
27
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
 
57
29
# Some useful constants
 
58
 
domain = 'se.recompile'
 
 
30
domain = 'se.bsnet.fukt'
 
59
31
server_interface = domain + '.Mandos'
 
60
32
client_interface = domain + '.Mandos.Client'
 
64
 
    dbus.OBJECT_MANAGER_IFACE
 
65
 
except AttributeError:
 
66
 
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
 
 
35
# Always run in monochrome mode
 
 
36
urwid.curses_display.curses.has_colors = lambda : False
 
 
38
# Urwid doesn't support blinking, but we want it.  Since we have no
 
 
39
# use for underline on its own, we make underline also always blink.
 
 
40
urwid.curses_display.curses.A_UNDERLINE |= (
 
 
41
    urwid.curses_display.curses.A_BLINK)
 
69
43
def isoformat_to_datetime(iso):
 
70
44
    "Parse an ISO 8601 date string to a datetime.datetime()"
 
73
 
    d, t = iso.split("T", 1)
 
74
 
    year, month, day = d.split("-", 2)
 
75
 
    hour, minute, second = t.split(":", 2)
 
 
47
    d, t = iso.split(u"T", 1)
 
 
48
    year, month, day = d.split(u"-", 2)
 
 
49
    hour, minute, second = t.split(u":", 2)
 
76
50
    second, fraction = divmod(float(second), 1)
 
77
51
    return datetime.datetime(int(year),
 
82
 
                             int(second),            # Whole seconds
 
83
 
                             int(fraction*1000000))  # Microseconds
 
 
56
                             int(second),           # Whole seconds
 
 
57
                             int(fraction*1000000)) # Microseconds
 
86
59
class MandosClientPropertyCache(object):
 
87
60
    """This wraps a Mandos Client D-Bus proxy object, caches the
 
88
61
    properties and calls a hook function when any of them are
 
91
 
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
92
 
        self.proxy = proxy_object  # Mandos Client proxy object
 
93
 
        self.properties = dict() if properties is None else properties
 
94
 
        self.property_changed_match = (
 
95
 
            self.proxy.connect_to_signal("PropertiesChanged",
 
96
 
                                         self.properties_changed,
 
97
 
                                         dbus.PROPERTIES_IFACE,
 
100
 
        if properties is None:
 
101
 
            self.properties.update(self.proxy.GetAll(
 
103
 
                dbus_interface=dbus.PROPERTIES_IFACE))
 
105
 
        super(MandosClientPropertyCache, self).__init__(**kwargs)
 
107
 
    def properties_changed(self, interface, properties, invalidated):
 
108
 
        """This is called whenever we get a PropertiesChanged signal
 
109
 
        It updates the changed properties in the "properties" dict.
 
 
64
    def __init__(self, proxy_object=None, *args, **kwargs):
 
 
65
        self.proxy = proxy_object # Mandos Client proxy object
 
 
67
        self.properties = dict()
 
 
68
        self.proxy.connect_to_signal(u"PropertyChanged",
 
 
69
                                     self.property_changed,
 
 
73
        self.properties.update(
 
 
74
            self.proxy.GetAll(client_interface,
 
 
75
                              dbus_interface = dbus.PROPERTIES_IFACE))
 
 
77
        #XXX This break good super behaviour!
 
 
78
#        super(MandosClientPropertyCache, self).__init__(
 
 
81
    def property_changed(self, property=None, value=None):
 
 
82
        """This is called whenever we get a PropertyChanged signal
 
 
83
        It updates the changed property in the "properties" dict.
 
111
85
        # Update properties dict with new value
 
112
 
        if interface == client_interface:
 
113
 
            self.properties.update(properties)
 
116
 
        self.property_changed_match.remove()
 
 
86
        self.properties[property] = value
 
119
89
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
 
120
90
    """A Mandos Client which is visible on the screen.
 
123
93
    def __init__(self, server_proxy_object=None, update_hook=None,
 
124
 
                 delete_hook=None, logger=None, **kwargs):
 
 
94
                 delete_hook=None, logger=None, *args, **kwargs):
 
125
95
        # Called on update
 
126
96
        self.update_hook = update_hook
 
127
97
        # Called on delete
 
 
130
100
        self.server_proxy_object = server_proxy_object
 
132
102
        self.logger = logger
 
134
104
        self._update_timer_callback_tag = None
 
 
105
        self.last_checker_failed = False
 
136
107
        # The widget shown normally
 
137
 
        self._text_widget = urwid.Text("")
 
 
108
        self._text_widget = urwid.Text(u"")
 
138
109
        # The widget shown when we have focus
 
139
 
        self._focus_text_widget = urwid.Text("")
 
140
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
 
110
        self._focus_text_widget = urwid.Text(u"")
 
 
111
        super(MandosClientWidget, self).__init__(
 
 
112
            update_hook=update_hook, delete_hook=delete_hook,
 
142
115
        self.opened = False
 
144
 
        self.match_objects = (
 
145
 
            self.proxy.connect_to_signal("CheckerCompleted",
 
146
 
                                         self.checker_completed,
 
149
 
            self.proxy.connect_to_signal("CheckerStarted",
 
150
 
                                         self.checker_started,
 
153
 
            self.proxy.connect_to_signal("GotSecret",
 
157
 
            self.proxy.connect_to_signal("NeedApproval",
 
161
 
            self.proxy.connect_to_signal("Rejected",
 
165
 
        self.logger('Created client {}'
 
166
 
                    .format(self.properties["Name"]), level=0)
 
168
 
    def using_timer(self, flag):
 
169
 
        """Call this method with True or False when timer should be
 
170
 
        activated or deactivated.
 
172
 
        if flag and self._update_timer_callback_tag is None:
 
173
 
            # Will update the shown timer value every second
 
174
 
            self._update_timer_callback_tag = (GLib.timeout_add
 
 
116
        self.proxy.connect_to_signal(u"CheckerCompleted",
 
 
117
                                     self.checker_completed,
 
 
120
        self.proxy.connect_to_signal(u"CheckerStarted",
 
 
121
                                     self.checker_started,
 
 
124
        self.proxy.connect_to_signal(u"GotSecret",
 
 
128
        self.proxy.connect_to_signal(u"NeedApproval",
 
 
132
        self.proxy.connect_to_signal(u"Rejected",
 
 
136
        last_checked_ok = isoformat_to_datetime(self.properties
 
 
138
        if last_checked_ok is None:
 
 
139
            self.last_checker_failed = True
 
 
141
            self.last_checker_failed = ((datetime.datetime.utcnow()
 
 
147
        if self.last_checker_failed:
 
 
148
            self._update_timer_callback_tag = (gobject.timeout_add
 
176
150
                                                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
152
    def checker_completed(self, exitstatus, condition, command):
 
182
153
        if exitstatus == 0:
 
183
 
            self.logger('Checker for client {} (command "{}")'
 
184
 
                        ' 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
 
189
169
        if os.WIFEXITED(condition):
 
190
 
            self.logger('Checker for client {} (command "{}") failed'
 
192
 
                        .format(self.properties["Name"], command,
 
193
 
                                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)))
 
194
174
        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)))
 
 
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'
 
201
188
    def checker_started(self, command):
 
202
 
        """Server signals that a checker started."""
 
203
 
        self.logger('Client {} started checker "{}"'
 
204
 
                    .format(self.properties["Name"],
 
 
189
        #self.logger(u'Client %s started checker "%s"'
 
 
190
        #            % (self.properties[u"Name"], unicode(command)))
 
207
193
    def got_secret(self):
 
208
 
        self.logger('Client {} received its secret'
 
209
 
                    .format(self.properties["Name"]))
 
 
194
        self.last_checker_failed = False
 
 
195
        self.logger(u'Client %s received its secret'
 
 
196
                    % self.properties[u"Name"])
 
211
198
    def need_approval(self, timeout, default):
 
213
 
            message = 'Client {} needs approval within {} seconds'
 
 
200
            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"],
 
 
202
            message = u'Client %s will get its secret in %s seconds'
 
 
204
                    % (self.properties[u"Name"], timeout/1000))
 
219
206
    def rejected(self, reason):
 
220
 
        self.logger('Client {} was rejected; reason: {}'
 
221
 
                    .format(self.properties["Name"], reason))
 
 
207
        self.logger(u'Client %s was rejected; reason: %s'
 
 
208
                    % (self.properties[u"Name"], reason))
 
223
210
    def selectable(self):
 
224
211
        """Make this a "selectable" widget.
 
225
212
        This overrides the method from urwid.FlowWidget."""
 
228
 
    def rows(self, maxcolrow, focus=False):
 
 
215
    def rows(self, (maxcol,), focus=False):
 
229
216
        """How many rows this widget will occupy might depend on
 
230
217
        whether we have focus or not.
 
231
218
        This overrides the method from urwid.FlowWidget"""
 
232
 
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
 
219
        return self.current_widget(focus).rows((maxcol,), focus=focus)
 
234
221
    def current_widget(self, focus=False):
 
235
222
        if focus or self.opened:
 
236
223
            return self._focus_widget
 
237
224
        return self._widget
 
239
226
    def update(self):
 
240
227
        "Called when what is visible on the screen should be updated."
 
241
228
        # 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",
 
 
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",
 
250
237
        # Rebuild focus and non-focus widgets using current properties
 
252
239
        # 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)
 
 
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])
 
290
 
            self.using_timer(False)
 
291
 
        self._text = "{}{}".format(base, message)
 
 
263
        self._text = "%s%s" % (base, message)
 
293
265
        if not urwid.supports_unicode():
 
294
266
            self._text = self._text.encode("ascii", "replace")
 
295
 
        textlist = [("normal", self._text)]
 
 
267
        textlist = [(u"normal", self._text)]
 
296
268
        self._text_widget.set_text(textlist)
 
297
269
        self._focus_text_widget.set_text([(with_standout[text[0]],
 
 
305
277
        # Run update hook, if any
 
306
278
        if self.update_hook is not None:
 
307
279
            self.update_hook()
 
309
281
    def update_timer(self):
 
310
 
        """called by GLib. Will indefinitely loop until
 
311
 
        GLib.source_remove() on tag is called
 
314
284
        return True             # Keep calling this
 
316
 
    def delete(self, **kwargs):
 
317
287
        if self._update_timer_callback_tag is not None:
 
318
 
            GLib.source_remove(self._update_timer_callback_tag)
 
 
288
            gobject.source_remove(self._update_timer_callback_tag)
 
319
289
            self._update_timer_callback_tag = None
 
320
 
        for match in self.match_objects:
 
322
 
        self.match_objects = ()
 
323
290
        if self.delete_hook is not None:
 
324
291
            self.delete_hook(self)
 
325
 
        return super(MandosClientWidget, self).delete(**kwargs)
 
327
 
    def render(self, maxcolrow, focus=False):
 
 
293
    def render(self, (maxcol,), focus=False):
 
328
294
        """Render differently if we have focus.
 
329
295
        This overrides the method from urwid.FlowWidget"""
 
330
 
        return self.current_widget(focus).render(maxcolrow,
 
 
296
        return self.current_widget(focus).render((maxcol,),
 
333
 
    def keypress(self, maxcolrow, key):
 
 
299
    def keypress(self, (maxcol,), key):
 
335
301
        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)
 
 
303
            self.proxy.Enable(dbus_interface = client_interface)
 
 
305
            self.proxy.Disable(dbus_interface = client_interface)
 
345
307
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
 
346
 
                               dbus_interface=client_interface,
 
 
308
                               dbus_interface = client_interface)
 
349
310
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
 
350
 
                               dbus_interface=client_interface,
 
352
 
        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":
 
353
313
            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,
 
 
316
            self.proxy.StartChecker(dbus_interface = client_interface)
 
 
318
            self.proxy.StopChecker(dbus_interface = client_interface)
 
 
320
            self.proxy.CheckedOK(dbus_interface = client_interface)
 
368
 
#         elif key == "p" or key == "=":
 
 
322
#         elif key == u"p" or key == "=":
 
369
323
#             self.proxy.pause()
 
370
 
#         elif key == "u" or key == ":":
 
 
324
#         elif key == u"u" or key == ":":
 
371
325
#             self.proxy.unpause()
 
 
326
#         elif key == u"RET":
 
377
 
    def properties_changed(self, interface, properties, invalidated):
 
378
 
        """Call self.update() if any properties changed.
 
 
331
    def property_changed(self, property=None, value=None,
 
 
333
        """Call self.update() if old value is not new value.
 
379
334
        This overrides the method from MandosClientPropertyCache"""
 
380
 
        old_values = {key: self.properties.get(key)
 
381
 
                      for key in properties.keys()}
 
382
 
        super(MandosClientWidget, self).properties_changed(
 
383
 
            interface, properties, invalidated)
 
384
 
        if any(old_values[key] != self.properties.get(key)
 
385
 
               for key in old_values):
 
 
335
        property_name = unicode(property)
 
 
336
        old_value = self.properties.get(property_name)
 
 
337
        super(MandosClientWidget, self).property_changed(
 
 
338
            property=property, value=value, *args, **kwargs)
 
 
339
        if self.properties.get(property_name) != old_value:
 
 
403
357
    """This is the entire user interface - the whole screen
 
404
358
    with boxes, lists of client widgets, etc.
 
406
 
    def __init__(self, max_log_length=1000, log_level=1):
 
 
360
    def __init__(self, max_log_length=1000):
 
407
361
        DBusGMainLoop(set_as_default=True)
 
409
363
        self.screen = urwid.curses_display.Screen()
 
411
365
        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"),
 
 
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",
 
433
385
        if urwid.supports_unicode():
 
434
 
            self.divider = "─"  # \u2500
 
 
386
            self.divider = u"─" # \u2500
 
 
387
            #self.divider = u"━" # \u2501
 
436
 
            self.divider = "_"  # \u005f
 
 
389
            #self.divider = u"-" # \u002d
 
 
390
            self.divider = u"_" # \u005f
 
438
392
        self.screen.start()
 
440
394
        self.size = self.screen.get_cols_rows()
 
442
396
        self.clients = urwid.SimpleListWalker([])
 
443
397
        self.clients_dict = {}
 
445
399
        # We will add Text widgets to this list
 
447
401
        self.max_log_length = max_log_length
 
449
 
        self.log_level = log_level
 
451
403
        # We keep a reference to the log widget so we can remove it
 
452
404
        # from the ListWalker without it getting destroyed
 
453
405
        self.logbox = ConstrainedListBox(self.log)
 
455
407
        # This keeps track of whether self.uilist currently has
 
456
408
        # self.logbox in it or not
 
457
409
        self.log_visible = True
 
458
 
        self.log_wrap = "any"
 
 
410
        self.log_wrap = u"any"
 
461
 
        self.log_message_raw(("bold",
 
462
 
                              "Mandos Monitor version " + version))
 
463
 
        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",
 
466
418
        self.busname = domain + '.Mandos'
 
467
 
        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,
 
469
463
    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))
 
 
464
        self.log_message((u"Client with address %s and fingerprint %s"
 
 
465
                          u" could not be found" % (address,
 
474
468
    def rebuild(self):
 
475
469
        """This rebuilds the User Interface.
 
476
470
        Call this when the widget layout needs to change"""
 
478
 
        # self.uilist.append(urwid.ListBox(self.clients))
 
 
472
        #self.uilist.append(urwid.ListBox(self.clients))
 
479
473
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
 
481
 
                                       # header=urwid.Divider(),
 
 
475
                                       #header=urwid.Divider(),
 
483
 
                                       footer=urwid.Divider(
 
484
 
                                           div_char=self.divider)))
 
 
478
                                       urwid.Divider(div_char=
 
485
480
        if self.log_visible:
 
486
481
            self.uilist.append(self.logbox)
 
487
483
        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:
 
 
485
    def log_message(self, message):
 
493
486
        timestamp = datetime.datetime.now().isoformat()
 
494
 
        self.log_message_raw("{}: {}".format(timestamp, message),
 
497
 
    def log_message_raw(self, markup, level=1):
 
 
487
        self.log_message_raw(timestamp + u": " + message)
 
 
489
    def log_message_raw(self, markup):
 
498
490
        """Add a log message to the log buffer."""
 
499
 
        if level < self.log_level:
 
501
491
        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]
 
 
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]
 
505
495
        self.logbox.set_focus(len(self.logbox.body.contents),
 
 
496
                              coming_from=u"above")
 
509
499
    def toggle_log_display(self):
 
510
500
        """Toggle visibility of the log buffer."""
 
511
501
        self.log_visible = not self.log_visible
 
513
 
        self.log_message("Log visibility changed to: {}"
 
514
 
                         .format(self.log_visible), level=0)
 
 
503
        #self.log_message(u"Log visibility changed to: "
 
 
504
        #                 + unicode(self.log_visible))
 
516
506
    def change_log_display(self):
 
517
507
        """Change type of log display.
 
518
508
        Currently, this toggles wrapping of text lines."""
 
519
 
        if self.log_wrap == "clip":
 
520
 
            self.log_wrap = "any"
 
 
509
        if self.log_wrap == u"clip":
 
 
510
            self.log_wrap = u"any"
 
522
 
            self.log_wrap = "clip"
 
 
512
            self.log_wrap = u"clip"
 
523
513
        for textwidget in self.log:
 
524
514
            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
 
 
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
 
532
521
        Mandos server object."""
 
533
 
        if client_interface not in interfaces:
 
534
 
            # Not a Mandos client object; ignore
 
537
523
            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
 
 
527
        self.remove_client(client, path)
 
 
529
    def add_new_client(self, path):
 
554
530
        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])),
 
 
531
        self.add_client(MandosClientWidget(server_proxy_object
 
 
534
                                           =client_proxy_object,
 
564
543
    def add_client(self, client, path=None):
 
565
544
        self.clients.append(client)
 
567
546
            path = client.proxy.object_path
 
568
547
        self.clients_dict[path] = client
 
569
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
 
548
        self.clients.sort(None, lambda c: c.properties[u"Name"])
 
572
551
    def remove_client(self, client, path=None):
 
573
552
        self.clients.remove(client)
 
575
554
            path = client.proxy.object_path
 
576
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([])
 
579
563
    def refresh(self):
 
580
564
        """Redraw the screen"""
 
581
565
        canvas = self.topwidget.render(self.size, focus=True)
 
582
566
        self.screen.draw_screen(self.size, canvas)
 
585
569
        """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
 
 
571
        self._input_callback_tag = (gobject.io_add_watch
 
631
572
                                    (sys.stdin.fileno(),
 
633
574
                                     self.process_input))
 
634
575
        self.main_loop.run()
 
635
576
        # Main loop has finished, we should close everything now
 
636
 
        GLib.source_remove(self._input_callback_tag)
 
 
577
        gobject.source_remove(self._input_callback_tag)
 
637
578
        self.screen.stop()
 
640
581
        self.main_loop.quit()
 
642
583
    def process_input(self, source, condition):
 
643
584
        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
 
 
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
 
656
597
                key = translations[key]
 
657
598
            except KeyError:    # :-)
 
660
 
            if key == "q" or key == "Q":
 
 
601
            if key == u"q" or key == u"Q":
 
663
 
            elif key == "window resize":
 
 
604
            elif key == u"window resize":
 
664
605
                self.size = self.screen.get_cols_rows()
 
666
 
            elif key == "ctrl l":
 
 
607
            elif key == u"\f":  # Ctrl-L
 
669
 
            elif key == "l" or key == "D":
 
 
609
            elif key == u"l" or key == u"D":
 
670
610
                self.toggle_log_display()
 
672
 
            elif key == "w" or key == "i":
 
 
612
            elif key == u"w" or key == u"i":
 
673
613
                self.change_log_display()
 
675
 
            elif key == "?" or key == "f1" or key == "esc":
 
 
615
            elif key == u"?" or key == u"f1" or key == u"esc":
 
676
616
                if not self.log_visible:
 
677
617
                    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",
 
 
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",
 
701
639
                if self.topwidget.get_focus() is self.logbox:
 
702
640
                    self.topwidget.set_focus(0)
 
704
642
                    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
 
 
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
 
731
662
            elif self.topwidget.selectable():
 
732
663
                self.topwidget.keypress(self.size, key)
 
737
667
ui = UserInterface()
 
740
670
except KeyboardInterrupt:
 
742
 
except Exception as e:
 
743
 
    ui.log_message(str(e))
 
 
673
    ui.log_message(unicode(e))