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# -*- mode: python; coding: utf-8 -*-
 
4
 
# Mandos Monitor - Control and monitor the Mandos server
 
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# Copyright © 2009-2019 Teddy Hogeborn
 
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# Copyright © 2009-2019 Björn Påhlsson
 
9
 
# This file is part of Mandos.
 
11
 
# Mandos is free software: you can redistribute it and/or modify it
 
12
 
# under the terms of the GNU General Public License as published by
 
13
 
# the Free Software Foundation, either version 3 of the License, or
 
14
 
# (at your option) any later version.
 
16
 
#     Mandos is distributed in the hope that it will be useful, but
 
17
 
#     WITHOUT ANY WARRANTY; without even the implied warranty of
 
18
 
#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
19
 
#     GNU General Public License for more details.
 
21
 
# You should have received a copy of the GNU General Public License
 
22
 
# along with Mandos.  If not, see <http://www.gnu.org/licenses/>.
 
24
 
# Contact the authors at <mandos@recompile.se>.
 
27
 
from __future__ import (division, absolute_import, print_function,
 
30
 
    from future_builtins import *
 
 
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from __future__ import division, absolute_import, with_statement
 
39
9
import urwid.curses_display
 
42
12
from dbus.mainloop.glib import DBusGMainLoop
 
43
 
from gi.repository import GLib
 
51
 
if sys.version_info.major == 2:
 
54
 
locale.setlocale(locale.LC_ALL, '')
 
56
 
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
 
58
19
# Some useful constants
 
59
 
domain = 'se.recompile'
 
 
20
domain = 'se.bsnet.fukt'
 
60
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server_interface = domain + '.Mandos'
 
61
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client_interface = domain + '.Mandos.Client'
 
65
 
    dbus.OBJECT_MANAGER_IFACE
 
66
 
except AttributeError:
 
67
 
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
 
70
 
def isoformat_to_datetime(iso):
 
71
 
    "Parse an ISO 8601 date string to a datetime.datetime()"
 
74
 
    d, t = iso.split("T", 1)
 
75
 
    year, month, day = d.split("-", 2)
 
76
 
    hour, minute, second = t.split(":", 2)
 
77
 
    second, fraction = divmod(float(second), 1)
 
78
 
    return datetime.datetime(int(year),
 
83
 
                             int(second),            # Whole seconds
 
84
 
                             int(fraction*1000000))  # Microseconds
 
 
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# Always run in monochrome mode
 
 
26
urwid.curses_display.curses.has_colors = lambda : False
 
 
28
# Urwid doesn't support blinking, but we want it.  Since we have no
 
 
29
# use for underline on its own, we make underline also always blink.
 
 
30
urwid.curses_display.curses.A_UNDERLINE |= (
 
 
31
    urwid.curses_display.curses.A_BLINK)
 
87
33
class MandosClientPropertyCache(object):
 
88
34
    """This wraps a Mandos Client D-Bus proxy object, caches the
 
89
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    properties and calls a hook function when any of them are
 
92
 
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
93
 
        self.proxy = proxy_object  # Mandos Client proxy object
 
94
 
        self.properties = dict() if properties is None else properties
 
95
 
        self.property_changed_match = (
 
96
 
            self.proxy.connect_to_signal("PropertiesChanged",
 
97
 
                                         self.properties_changed,
 
98
 
                                         dbus.PROPERTIES_IFACE,
 
101
 
        if properties is None:
 
102
 
            self.properties.update(self.proxy.GetAll(
 
104
 
                dbus_interface=dbus.PROPERTIES_IFACE))
 
106
 
        super(MandosClientPropertyCache, self).__init__(**kwargs)
 
108
 
    def properties_changed(self, interface, properties, invalidated):
 
109
 
        """This is called whenever we get a PropertiesChanged signal
 
110
 
        It updates the changed properties in the "properties" dict.
 
 
38
    def __init__(self, proxy_object=None, properties=None, *args,
 
 
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        self.proxy = proxy_object # Mandos Client proxy object
 
 
42
        if properties is None:
 
 
43
            self.properties = dict()
 
 
45
            self.properties = properties
 
 
46
        self.proxy.connect_to_signal("PropertyChanged",
 
 
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                                     self.property_changed,
 
 
51
        if properties is None:
 
 
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            self.properties.update(self.proxy.GetAll(client_interface,
 
 
54
                                                     dbus.PROPERTIES_IFACE))
 
 
55
        super(MandosClientPropertyCache, self).__init__(
 
 
56
            proxy_object=proxy_object,
 
 
57
            properties=properties, *args, **kwargs)
 
 
59
    def property_changed(self, property=None, value=None):
 
 
60
        """This is called whenever we get a PropertyChanged signal
 
 
61
        It updates the changed property in the "properties" dict.
 
112
63
        # Update properties dict with new value
 
113
 
        if interface == client_interface:
 
114
 
            self.properties.update(properties)
 
117
 
        self.property_changed_match.remove()
 
 
64
        self.properties[property] = value
 
120
67
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
 
121
68
    """A Mandos Client which is visible on the screen.
 
124
71
    def __init__(self, server_proxy_object=None, update_hook=None,
 
125
 
                 delete_hook=None, logger=None, **kwargs):
 
 
72
                 delete_hook=None, *args, **kwargs):
 
126
73
        # Called on update
 
127
74
        self.update_hook = update_hook
 
128
75
        # Called on delete
 
129
76
        self.delete_hook = delete_hook
 
130
77
        # Mandos Server proxy object
 
131
78
        self.server_proxy_object = server_proxy_object
 
135
 
        self._update_timer_callback_tag = None
 
137
80
        # The widget shown normally
 
138
81
        self._text_widget = urwid.Text("")
 
139
82
        # The widget shown when we have focus
 
140
83
        self._focus_text_widget = urwid.Text("")
 
141
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
 
84
        super(MandosClientWidget, self).__init__(
 
 
85
            update_hook=update_hook, delete_hook=delete_hook,
 
143
88
        self.opened = False
 
145
 
        self.match_objects = (
 
146
 
            self.proxy.connect_to_signal("CheckerCompleted",
 
147
 
                                         self.checker_completed,
 
150
 
            self.proxy.connect_to_signal("CheckerStarted",
 
151
 
                                         self.checker_started,
 
154
 
            self.proxy.connect_to_signal("GotSecret",
 
158
 
            self.proxy.connect_to_signal("NeedApproval",
 
162
 
            self.proxy.connect_to_signal("Rejected",
 
166
 
        self.logger('Created client {}'
 
167
 
                    .format(self.properties["Name"]), level=0)
 
169
 
    def using_timer(self, flag):
 
170
 
        """Call this method with True or False when timer should be
 
171
 
        activated or deactivated.
 
173
 
        if flag and self._update_timer_callback_tag is None:
 
174
 
            # Will update the shown timer value every second
 
175
 
            self._update_timer_callback_tag = (GLib.timeout_add
 
178
 
        elif not (flag or self._update_timer_callback_tag is None):
 
179
 
            GLib.source_remove(self._update_timer_callback_tag)
 
180
 
            self._update_timer_callback_tag = None
 
182
 
    def checker_completed(self, exitstatus, condition, command):
 
184
 
            self.logger('Checker for client {} (command "{}")'
 
185
 
                        ' succeeded'.format(self.properties["Name"],
 
190
 
        if os.WIFEXITED(condition):
 
191
 
            self.logger('Checker for client {} (command "{}") failed'
 
193
 
                        .format(self.properties["Name"], command,
 
194
 
                                os.WEXITSTATUS(condition)))
 
195
 
        elif os.WIFSIGNALED(condition):
 
196
 
            self.logger('Checker for client {} (command "{}") was'
 
197
 
                        ' killed by signal {}'
 
198
 
                        .format(self.properties["Name"], command,
 
199
 
                                os.WTERMSIG(condition)))
 
202
 
    def checker_started(self, command):
 
203
 
        """Server signals that a checker started."""
 
204
 
        self.logger('Client {} started checker "{}"'
 
205
 
                    .format(self.properties["Name"],
 
208
 
    def got_secret(self):
 
209
 
        self.logger('Client {} received its secret'
 
210
 
                    .format(self.properties["Name"]))
 
212
 
    def need_approval(self, timeout, default):
 
214
 
            message = 'Client {} needs approval within {} seconds'
 
216
 
            message = 'Client {} will get its secret in {} seconds'
 
217
 
        self.logger(message.format(self.properties["Name"],
 
220
 
    def rejected(self, reason):
 
221
 
        self.logger('Client {} was rejected; reason: {}'
 
222
 
                    .format(self.properties["Name"], reason))
 
224
90
    def selectable(self):
 
225
91
        """Make this a "selectable" widget.
 
226
92
        This overrides the method from urwid.FlowWidget."""
 
229
 
    def rows(self, maxcolrow, focus=False):
 
 
95
    def rows(self, (maxcol,), focus=False):
 
230
96
        """How many rows this widget will occupy might depend on
 
231
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        whether we have focus or not.
 
232
98
        This overrides the method from urwid.FlowWidget"""
 
233
 
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
 
99
        return self.current_widget(focus).rows((maxcol,), focus=focus)
 
235
101
    def current_widget(self, focus=False):
 
236
102
        if focus or self.opened:
 
237
103
            return self._focus_widget
 
238
104
        return self._widget
 
240
106
    def update(self):
 
241
107
        "Called when what is visible on the screen should be updated."
 
242
108
        # How to add standout mode to a style
 
243
 
        with_standout = {"normal": "standout",
 
244
 
                         "bold": "bold-standout",
 
246
 
                         "underline-blink-standout",
 
247
 
                         "bold-underline-blink":
 
248
 
                         "bold-underline-blink-standout",
 
 
109
        with_standout = { u"normal": u"standout",
 
 
110
                          u"bold": u"bold-standout",
 
 
112
                              u"underline-blink-standout",
 
 
113
                          u"bold-underline-blink":
 
 
114
                              u"bold-underline-blink-standout",
 
251
117
        # Rebuild focus and non-focus widgets using current properties
 
253
 
        # Base part of a client. Name!
 
254
 
        base = '{name}: '.format(name=self.properties["Name"])
 
255
 
        if not self.properties["Enabled"]:
 
257
 
            self.using_timer(False)
 
258
 
        elif self.properties["ApprovalPending"]:
 
259
 
            timeout = datetime.timedelta(
 
260
 
                milliseconds=self.properties["ApprovalDelay"])
 
261
 
            last_approval_request = isoformat_to_datetime(
 
262
 
                self.properties["LastApprovalRequest"])
 
263
 
            if last_approval_request is not None:
 
264
 
                timer = max(timeout - (datetime.datetime.utcnow()
 
265
 
                                       - last_approval_request),
 
266
 
                            datetime.timedelta())
 
268
 
                timer = datetime.timedelta()
 
269
 
            if self.properties["ApprovedByDefault"]:
 
270
 
                message = "Approval in {}. (d)eny?"
 
272
 
                message = "Denial in {}. (a)pprove?"
 
273
 
            message = message.format(str(timer).rsplit(".", 1)[0])
 
274
 
            self.using_timer(True)
 
275
 
        elif self.properties["LastCheckerStatus"] != 0:
 
276
 
            # When checker has failed, show timer until client expires
 
277
 
            expires = self.properties["Expires"]
 
279
 
                timer = datetime.timedelta(0)
 
281
 
                expires = (datetime.datetime.strptime
 
282
 
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
 
283
 
                timer = max(expires - datetime.datetime.utcnow(),
 
284
 
                            datetime.timedelta())
 
285
 
            message = ('A checker has failed! Time until client'
 
287
 
                       .format(str(timer).rsplit(".", 1)[0]))
 
288
 
            self.using_timer(True)
 
291
 
            self.using_timer(False)
 
292
 
        self._text = "{}{}".format(base, message)
 
 
118
        self._text = (u'name="%(name)s", enabled=%(enabled)s'
 
294
120
        if not urwid.supports_unicode():
 
295
121
            self._text = self._text.encode("ascii", "replace")
 
296
 
        textlist = [("normal", self._text)]
 
 
122
        textlist = [(u"normal", u"BLARGH: "), (u"bold", self._text)]
 
297
123
        self._text_widget.set_text(textlist)
 
298
124
        self._focus_text_widget.set_text([(with_standout[text[0]],
 
 
306
132
        # Run update hook, if any
 
307
133
        if self.update_hook is not None:
 
308
134
            self.update_hook()
 
310
 
    def update_timer(self):
 
311
 
        """called by GLib. Will indefinitely loop until
 
312
 
        GLib.source_remove() on tag is called
 
315
 
        return True             # Keep calling this
 
317
 
    def delete(self, **kwargs):
 
318
 
        if self._update_timer_callback_tag is not None:
 
319
 
            GLib.source_remove(self._update_timer_callback_tag)
 
320
 
            self._update_timer_callback_tag = None
 
321
 
        for match in self.match_objects:
 
323
 
        self.match_objects = ()
 
324
137
        if self.delete_hook is not None:
 
325
138
            self.delete_hook(self)
 
326
 
        return super(MandosClientWidget, self).delete(**kwargs)
 
328
 
    def render(self, maxcolrow, focus=False):
 
 
140
    def render(self, (maxcol,), focus=False):
 
329
141
        """Render differently if we have focus.
 
330
142
        This overrides the method from urwid.FlowWidget"""
 
331
 
        return self.current_widget(focus).render(maxcolrow,
 
 
143
        return self.current_widget(focus).render((maxcol,),
 
334
 
    def keypress(self, maxcolrow, key):
 
 
146
    def keypress(self, (maxcol,), key):
 
336
148
        This overrides the method from urwid.FlowWidget"""
 
338
 
            self.proxy.Set(client_interface, "Enabled",
 
339
 
                           dbus.Boolean(True), ignore_reply=True,
 
340
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
342
 
            self.proxy.Set(client_interface, "Enabled", False,
 
344
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
346
 
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
 
347
 
                               dbus_interface=client_interface,
 
350
 
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
 
351
 
                               dbus_interface=client_interface,
 
353
 
        elif key == "R" or key == "_" or key == "ctrl k":
 
 
149
        if key == u"e" or key == u"+":
 
 
151
        elif key == u"d" or key == u"-":
 
 
153
        elif key == u"r" or key == u"_" or key == u"ctrl k":
 
354
154
            self.server_proxy_object.RemoveClient(self.proxy
 
358
 
            self.proxy.Set(client_interface, "CheckerRunning",
 
359
 
                           dbus.Boolean(True), ignore_reply=True,
 
360
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
362
 
            self.proxy.Set(client_interface, "CheckerRunning",
 
363
 
                           dbus.Boolean(False), ignore_reply=True,
 
364
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
366
 
            self.proxy.CheckedOK(dbus_interface=client_interface,
 
 
157
            self.proxy.StartChecker()
 
 
159
            self.proxy.StopChecker()
 
 
161
            self.proxy.CheckedOK()
 
369
 
#         elif key == "p" or key == "=":
 
 
163
#         elif key == u"p" or key == "=":
 
370
164
#             self.proxy.pause()
 
371
 
#         elif key == "u" or key == ":":
 
 
165
#         elif key == u"u" or key == ":":
 
372
166
#             self.proxy.unpause()
 
 
167
#         elif key == u"RET":
 
378
 
    def properties_changed(self, interface, properties, invalidated):
 
379
 
        """Call self.update() if any properties changed.
 
 
172
    def property_changed(self, property=None, value=None,
 
 
174
        """Call self.update() if old value is not new value.
 
380
175
        This overrides the method from MandosClientPropertyCache"""
 
381
 
        old_values = {key: self.properties.get(key)
 
382
 
                      for key in properties.keys()}
 
383
 
        super(MandosClientWidget, self).properties_changed(
 
384
 
            interface, properties, invalidated)
 
385
 
        if any(old_values[key] != self.properties.get(key)
 
386
 
               for key in old_values):
 
 
176
        property_name = unicode(property)
 
 
177
        old_value = self.properties.get(property_name)
 
 
178
        super(MandosClientWidget, self).property_changed(
 
 
179
            property=property, value=value, *args, **kwargs)
 
 
180
        if self.properties.get(property_name) != old_value:
 
 
404
197
    """This is the entire user interface - the whole screen
 
405
198
    with boxes, lists of client widgets, etc.
 
407
 
    def __init__(self, max_log_length=1000, log_level=1):
 
 
200
    def __init__(self, max_log_length=1000):
 
408
201
        DBusGMainLoop(set_as_default=True)
 
410
203
        self.screen = urwid.curses_display.Screen()
 
412
205
        self.screen.register_palette((
 
414
 
                 "default", "default", None),
 
416
 
                 "bold", "default", "bold"),
 
418
 
                 "underline,blink", "default", "underline,blink"),
 
420
 
                 "standout", "default", "standout"),
 
421
 
                ("bold-underline-blink",
 
422
 
                 "bold,underline,blink", "default",
 
423
 
                 "bold,underline,blink"),
 
425
 
                 "bold,standout", "default", "bold,standout"),
 
426
 
                ("underline-blink-standout",
 
427
 
                 "underline,blink,standout", "default",
 
428
 
                 "underline,blink,standout"),
 
429
 
                ("bold-underline-blink-standout",
 
430
 
                 "bold,underline,blink,standout", "default",
 
431
 
                 "bold,underline,blink,standout"),
 
 
207
                 u"default", u"default", None),
 
 
209
                 u"default", u"default", u"bold"),
 
 
211
                 u"default", u"default", u"underline"),
 
 
213
                 u"default", u"default", u"standout"),
 
 
214
                (u"bold-underline-blink",
 
 
215
                 u"default", u"default", (u"bold", u"underline")),
 
 
217
                 u"default", u"default", (u"bold", u"standout")),
 
 
218
                (u"underline-blink-standout",
 
 
219
                 u"default", u"default", (u"underline", u"standout")),
 
 
220
                (u"bold-underline-blink-standout",
 
 
221
                 u"default", u"default", (u"bold", u"underline",
 
434
225
        if urwid.supports_unicode():
 
435
 
            self.divider = "─"  # \u2500
 
 
226
            self.divider = u"─" # \u2500
 
 
227
            #self.divider = u"━" # \u2501
 
437
 
            self.divider = "_"  # \u005f
 
 
229
            #self.divider = u"-" # \u002d
 
 
230
            self.divider = u"_" # \u005f
 
439
232
        self.screen.start()
 
441
234
        self.size = self.screen.get_cols_rows()
 
443
236
        self.clients = urwid.SimpleListWalker([])
 
444
237
        self.clients_dict = {}
 
446
239
        # We will add Text widgets to this list
 
447
 
        self.log = urwid.SimpleListWalker([])
 
448
241
        self.max_log_length = max_log_length
 
450
 
        self.log_level = log_level
 
452
243
        # We keep a reference to the log widget so we can remove it
 
453
244
        # from the ListWalker without it getting destroyed
 
454
245
        self.logbox = ConstrainedListBox(self.log)
 
456
247
        # This keeps track of whether self.uilist currently has
 
457
248
        # self.logbox in it or not
 
458
249
        self.log_visible = True
 
459
 
        self.log_wrap = "any"
 
 
250
        self.log_wrap = u"any"
 
462
 
        self.log_message_raw(("bold",
 
463
 
                              "Mandos Monitor version " + version))
 
464
 
        self.log_message_raw(("bold",
 
 
253
        self.log_message((u"bold",
 
 
254
                          u"Mandos Monitor version " + version))
 
 
255
        self.log_message((u"bold",
 
467
258
        self.busname = domain + '.Mandos'
 
468
 
        self.main_loop = GLib.MainLoop()
 
470
 
    def client_not_found(self, fingerprint, address):
 
471
 
        self.log_message("Client with address {} and fingerprint {}"
 
472
 
                         " could not be found"
 
473
 
                         .format(address, fingerprint))
 
 
259
        self.main_loop = gobject.MainLoop()
 
 
260
        self.bus = dbus.SystemBus()
 
 
261
        mandos_dbus_objc = self.bus.get_object(
 
 
262
            self.busname, u"/", follow_name_owner_changes=True)
 
 
263
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
 
267
            mandos_clients = (self.mandos_serv
 
 
268
                              .GetAllClientsWithProperties())
 
 
269
        except dbus.exceptions.DBusException:
 
 
270
            mandos_clients = dbus.Dictionary()
 
 
273
         .connect_to_signal("ClientRemoved",
 
 
274
                            self.find_and_remove_client,
 
 
275
                            dbus_interface=server_interface,
 
 
278
         .connect_to_signal("ClientAdded",
 
 
280
                            dbus_interface=server_interface,
 
 
282
        for path, client in mandos_clients.iteritems():
 
 
283
            client_proxy_object = self.bus.get_object(self.busname,
 
 
285
            self.add_client(MandosClientWidget(server_proxy_object
 
 
288
                                               =client_proxy_object,
 
 
293
                                               =self.remove_client),
 
475
296
    def rebuild(self):
 
476
297
        """This rebuilds the User Interface.
 
477
298
        Call this when the widget layout needs to change"""
 
479
 
        # self.uilist.append(urwid.ListBox(self.clients))
 
480
 
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
 
482
 
                                       # header=urwid.Divider(),
 
 
300
        #self.uilist.append(urwid.ListBox(self.clients))
 
 
301
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
 
 
302
                                       #header=urwid.Divider(),
 
484
 
                                       footer=urwid.Divider(
 
485
 
                                           div_char=self.divider)))
 
 
304
                                       footer=urwid.Divider(div_char=self.divider)))
 
486
305
        if self.log_visible:
 
487
306
            self.uilist.append(self.logbox)
 
488
308
        self.topwidget = urwid.Pile(self.uilist)
 
490
 
    def log_message(self, message, level=1):
 
491
 
        """Log message formatted with timestamp"""
 
492
 
        if level < self.log_level:
 
494
 
        timestamp = datetime.datetime.now().isoformat()
 
495
 
        self.log_message_raw("{}: {}".format(timestamp, message),
 
498
 
    def log_message_raw(self, markup, level=1):
 
 
310
    def log_message(self, markup):
 
499
311
        """Add a log message to the log buffer."""
 
500
 
        if level < self.log_level:
 
502
312
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
 
503
 
        if self.max_log_length:
 
504
 
            if len(self.log) > self.max_log_length:
 
505
 
                del self.log[0:len(self.log)-self.max_log_length-1]
 
506
 
        self.logbox.set_focus(len(self.logbox.body.contents)-1,
 
 
313
        if (self.max_log_length
 
 
314
            and len(self.log) > self.max_log_length):
 
 
315
            del self.log[0:len(self.log)-self.max_log_length-1]
 
 
316
        self.logbox.set_focus(len(self.logbox.body.contents),
 
 
317
                              coming_from=u"above")
 
510
319
    def toggle_log_display(self):
 
511
320
        """Toggle visibility of the log buffer."""
 
512
321
        self.log_visible = not self.log_visible
 
514
 
        self.log_message("Log visibility changed to: {}"
 
515
 
                         .format(self.log_visible), level=0)
 
 
323
        self.log_message(u"Log visibility changed to: "
 
 
324
                         + unicode(self.log_visible))
 
517
326
    def change_log_display(self):
 
518
327
        """Change type of log display.
 
519
328
        Currently, this toggles wrapping of text lines."""
 
520
 
        if self.log_wrap == "clip":
 
521
 
            self.log_wrap = "any"
 
 
329
        if self.log_wrap == u"clip":
 
 
330
            self.log_wrap = u"any"
 
523
 
            self.log_wrap = "clip"
 
 
332
            self.log_wrap = u"clip"
 
524
333
        for textwidget in self.log:
 
525
334
            textwidget.set_wrap_mode(self.log_wrap)
 
526
 
        self.log_message("Wrap mode: {}".format(self.log_wrap),
 
529
 
    def find_and_remove_client(self, path, interfaces):
 
530
 
        """Find a client by its object path and remove it.
 
532
 
        This is connected to the InterfacesRemoved signal from the
 
 
335
        self.log_message(u"Wrap mode: " + self.log_wrap)
 
 
337
    def find_and_remove_client(self, path, name):
 
 
338
        """Find an client from its object path and remove it.
 
 
340
        This is connected to the ClientRemoved signal from the
 
533
341
        Mandos server object."""
 
534
 
        if client_interface not in interfaces:
 
535
 
            # Not a Mandos client object; ignore
 
538
343
            client = self.clients_dict[path]
 
541
 
            self.log_message("Unknown client {!r} removed"
 
546
 
    def add_new_client(self, path, ifs_and_props):
 
547
 
        """Find a client by its object path and remove it.
 
549
 
        This is connected to the InterfacesAdded signal from the
 
550
 
        Mandos server object.
 
552
 
        if client_interface not in ifs_and_props:
 
553
 
            # Not a Mandos client object; ignore
 
 
347
        self.remove_client(client, path)
 
 
349
    def add_new_client(self, path, properties):
 
555
350
        client_proxy_object = self.bus.get_object(self.busname, path)
 
556
 
        self.add_client(MandosClientWidget(
 
557
 
            server_proxy_object=self.mandos_serv,
 
558
 
            proxy_object=client_proxy_object,
 
559
 
            update_hook=self.refresh,
 
560
 
            delete_hook=self.remove_client,
 
561
 
            logger=self.log_message,
 
562
 
            properties=dict(ifs_and_props[client_interface])),
 
 
351
        self.add_client(MandosClientWidget(server_proxy_object
 
 
354
                                           =client_proxy_object,
 
 
355
                                           properties=properties,
 
 
359
                                           =self.remove_client),
 
565
362
    def add_client(self, client, path=None):
 
566
363
        self.clients.append(client)
 
568
365
            path = client.proxy.object_path
 
569
366
        self.clients_dict[path] = client
 
570
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
 
367
        self.clients.sort(None, lambda c: c.properties[u"name"])
 
573
370
    def remove_client(self, client, path=None):
 
574
371
        self.clients.remove(client)
 
576
373
            path = client.proxy.object_path
 
577
374
        del self.clients_dict[path]
 
 
375
        if not self.clients_dict:
 
 
376
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
 
377
            # is completely emptied, we need to recreate it.
 
 
378
            self.clients = urwid.SimpleListWalker([])
 
580
382
    def refresh(self):
 
581
383
        """Redraw the screen"""
 
582
384
        canvas = self.topwidget.render(self.size, focus=True)
 
583
385
        self.screen.draw_screen(self.size, canvas)
 
586
388
        """Start the main loop and exit when it's done."""
 
587
 
        self.bus = dbus.SystemBus()
 
588
 
        mandos_dbus_objc = self.bus.get_object(
 
589
 
            self.busname, "/", follow_name_owner_changes=True)
 
590
 
        self.mandos_serv = dbus.Interface(
 
591
 
            mandos_dbus_objc, dbus_interface=server_interface)
 
593
 
            mandos_clients = (self.mandos_serv
 
594
 
                              .GetAllClientsWithProperties())
 
595
 
            if not mandos_clients:
 
596
 
                self.log_message_raw(("bold",
 
597
 
                                      "Note: Server has no clients."))
 
598
 
        except dbus.exceptions.DBusException:
 
599
 
            self.log_message_raw(("bold",
 
600
 
                                  "Note: No Mandos server running."))
 
601
 
            mandos_clients = dbus.Dictionary()
 
604
 
         .connect_to_signal("InterfacesRemoved",
 
605
 
                            self.find_and_remove_client,
 
606
 
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
609
 
         .connect_to_signal("InterfacesAdded",
 
611
 
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
614
 
         .connect_to_signal("ClientNotFound",
 
615
 
                            self.client_not_found,
 
616
 
                            dbus_interface=server_interface,
 
618
 
        for path, client in mandos_clients.items():
 
619
 
            client_proxy_object = self.bus.get_object(self.busname,
 
621
 
            self.add_client(MandosClientWidget(
 
622
 
                server_proxy_object=self.mandos_serv,
 
623
 
                proxy_object=client_proxy_object,
 
625
 
                update_hook=self.refresh,
 
626
 
                delete_hook=self.remove_client,
 
627
 
                logger=self.log_message),
 
631
 
        self._input_callback_tag = (GLib.io_add_watch
 
 
390
        self._input_callback_tag = (gobject.io_add_watch
 
632
391
                                    (sys.stdin.fileno(),
 
634
393
                                     self.process_input))
 
635
394
        self.main_loop.run()
 
636
395
        # Main loop has finished, we should close everything now
 
637
 
        GLib.source_remove(self._input_callback_tag)
 
 
396
        gobject.source_remove(self._input_callback_tag)
 
638
397
        self.screen.stop()
 
641
400
        self.main_loop.quit()
 
643
402
    def process_input(self, source, condition):
 
644
403
        keys = self.screen.get_input()
 
645
 
        translations = {"ctrl n": "down",       # Emacs
 
646
 
                        "ctrl p": "up",         # Emacs
 
647
 
                        "ctrl v": "page down",  # Emacs
 
648
 
                        "meta v": "page up",    # Emacs
 
649
 
                        " ": "page down",       # less
 
650
 
                        "f": "page down",       # less
 
651
 
                        "b": "page up",         # less
 
 
404
        translations = { u"ctrl n": u"down",      # Emacs
 
 
405
                         u"ctrl p": u"up",        # Emacs
 
 
406
                         u"ctrl v": u"page down", # Emacs
 
 
407
                         u"meta v": u"page up",   # Emacs
 
 
408
                         u" ": u"page down",      # less
 
 
409
                         u"f": u"page down",      # less
 
 
410
                         u"b": u"page up",        # less
 
657
416
                key = translations[key]
 
658
417
            except KeyError:    # :-)
 
661
 
            if key == "q" or key == "Q":
 
 
420
            if key == u"q" or key == u"Q":
 
664
 
            elif key == "window resize":
 
 
423
            elif key == u"window resize":
 
665
424
                self.size = self.screen.get_cols_rows()
 
667
 
            elif key == "ctrl l":
 
 
426
            elif key == u"\f":  # Ctrl-L
 
670
 
            elif key == "l" or key == "D":
 
 
428
            elif key == u"l" or key == u"D":
 
671
429
                self.toggle_log_display()
 
673
 
            elif key == "w" or key == "i":
 
 
431
            elif key == u"w" or key == u"i":
 
674
432
                self.change_log_display()
 
676
 
            elif key == "?" or key == "f1" or key == "esc":
 
 
434
            elif key == u"?" or key == u"f1" or key == u"esc":
 
677
435
                if not self.log_visible:
 
678
436
                    self.log_visible = True
 
680
 
                self.log_message_raw(("bold",
 
684
 
                                            "l: Log window toggle",
 
685
 
                                            "TAB: Switch window",
 
686
 
                                            "w: Wrap (log lines)",
 
687
 
                                            "v: Toggle verbose log",
 
689
 
                self.log_message_raw(("bold",
 
695
 
                                             "s: Start new checker",
 
 
438
                self.log_message((u"bold",
 
 
439
                                  u"  ".join((u"q: Quit",
 
 
441
                                              u"l: Log window toggle",
 
 
442
                                              u"TAB: Switch window",
 
 
444
                self.log_message((u"bold",
 
 
445
                                  u"  ".join((u"Clients:",
 
 
449
                                              u"s: Start new checker",
 
702
454
                if self.topwidget.get_focus() is self.logbox:
 
703
455
                    self.topwidget.set_focus(0)
 
705
457
                    self.topwidget.set_focus(self.logbox)
 
708
 
                if self.log_level == 0:
 
710
 
                    self.log_message("Verbose mode: Off")
 
713
 
                    self.log_message("Verbose mode: On")
 
714
 
            # elif (key == "end" or key == "meta >" or key == "G"
 
716
 
            #     pass            # xxx end-of-buffer
 
717
 
            # elif (key == "home" or key == "meta <" or key == "g"
 
719
 
            #     pass            # xxx beginning-of-buffer
 
720
 
            # elif key == "ctrl e" or key == "$":
 
721
 
            #     pass            # xxx move-end-of-line
 
722
 
            # elif key == "ctrl a" or key == "^":
 
723
 
            #     pass            # xxx move-beginning-of-line
 
724
 
            # elif key == "ctrl b" or key == "meta (" or key == "h":
 
726
 
            # elif key == "ctrl f" or key == "meta )" or key == "l":
 
729
 
            #     pass            # scroll up log
 
731
 
            #     pass            # scroll down log
 
 
459
            #elif (key == u"end" or key == u"meta >" or key == u"G"
 
 
461
            #    pass            # xxx end-of-buffer
 
 
462
            #elif (key == u"home" or key == u"meta <" or key == u"g"
 
 
464
            #    pass            # xxx beginning-of-buffer
 
 
465
            #elif key == u"ctrl e" or key == u"$":
 
 
466
            #    pass            # xxx move-end-of-line
 
 
467
            #elif key == u"ctrl a" or key == u"^":
 
 
468
            #    pass            # xxx move-beginning-of-line
 
 
469
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
 
 
471
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
 
 
474
            #    pass            # scroll up log
 
 
476
            #    pass            # scroll down log
 
732
477
            elif self.topwidget.selectable():
 
733
478
                self.topwidget.keypress(self.size, key)
 
738
482
ui = UserInterface()
 
741
 
except KeyboardInterrupt:
 
743
 
except Exception as e:
 
744
 
    ui.log_message(str(e))