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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
 
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# This file is part of Mandos.
 
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# 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
12
import urwid.curses_display
 
42
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from dbus.mainloop.glib import DBusGMainLoop
 
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from gi.repository import GLib
 
 
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locale.setlocale(locale.LC_ALL, u'')
 
51
 
if sys.version_info.major == 2:
 
54
 
locale.setlocale(locale.LC_ALL, '')
 
56
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logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
 
58
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# Some useful constants
 
59
 
domain = 'se.recompile'
 
 
30
domain = 'se.bsnet.fukt'
 
60
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server_interface = domain + '.Mandos'
 
61
32
client_interface = domain + '.Mandos.Client'
 
65
 
    dbus.OBJECT_MANAGER_IFACE
 
66
 
except AttributeError:
 
67
 
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
 
 
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# Always run in monochrome mode
 
 
36
urwid.curses_display.curses.has_colors = lambda : False
 
 
38
# Urwid doesn't support blinking, but we want it.  Since we have no
 
 
39
# use for underline on its own, we make underline also always blink.
 
 
40
urwid.curses_display.curses.A_UNDERLINE |= (
 
 
41
    urwid.curses_display.curses.A_BLINK)
 
70
43
def isoformat_to_datetime(iso):
 
71
44
    "Parse an ISO 8601 date string to a datetime.datetime()"
 
74
 
    d, t = iso.split("T", 1)
 
75
 
    year, month, day = d.split("-", 2)
 
76
 
    hour, minute, second = t.split(":", 2)
 
 
47
    d, t = iso.split(u"T", 1)
 
 
48
    year, month, day = d.split(u"-", 2)
 
 
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    hour, minute, second = t.split(u":", 2)
 
77
50
    second, fraction = divmod(float(second), 1)
 
78
51
    return datetime.datetime(int(year),
 
83
 
                             int(second),            # Whole seconds
 
84
 
                             int(fraction*1000000))  # Microseconds
 
 
56
                             int(second),           # Whole seconds
 
 
57
                             int(fraction*1000000)) # Microseconds
 
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59
class MandosClientPropertyCache(object):
 
88
60
    """This wraps a Mandos Client D-Bus proxy object, caches the
 
89
61
    properties and calls a hook function when any of them are
 
92
 
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
93
 
        self.proxy = proxy_object  # Mandos Client proxy object
 
94
 
        self.properties = dict() if properties is None else properties
 
95
 
        self.property_changed_match = (
 
96
 
            self.proxy.connect_to_signal("PropertiesChanged",
 
97
 
                                         self.properties_changed,
 
98
 
                                         dbus.PROPERTIES_IFACE,
 
101
 
        if properties is None:
 
102
 
            self.properties.update(self.proxy.GetAll(
 
104
 
                dbus_interface=dbus.PROPERTIES_IFACE))
 
106
 
        super(MandosClientPropertyCache, self).__init__(**kwargs)
 
108
 
    def properties_changed(self, interface, properties, invalidated):
 
109
 
        """This is called whenever we get a PropertiesChanged signal
 
110
 
        It updates the changed properties in the "properties" dict.
 
 
64
    def __init__(self, proxy_object=None, *args, **kwargs):
 
 
65
        self.proxy = proxy_object # Mandos Client proxy object
 
 
67
        self.properties = dict()
 
 
68
        self.proxy.connect_to_signal(u"PropertyChanged",
 
 
69
                                     self.property_changed,
 
 
73
        self.properties.update(
 
 
74
            self.proxy.GetAll(client_interface,
 
 
75
                              dbus_interface = dbus.PROPERTIES_IFACE))
 
 
77
        #XXX This break good super behaviour!
 
 
78
#        super(MandosClientPropertyCache, self).__init__(
 
 
81
    def property_changed(self, property=None, value=None):
 
 
82
        """This is called whenever we get a PropertyChanged signal
 
 
83
        It updates the changed property in the "properties" dict.
 
112
85
        # Update properties dict with new value
 
113
 
        if interface == client_interface:
 
114
 
            self.properties.update(properties)
 
117
 
        self.property_changed_match.remove()
 
 
86
        self.properties[property] = value
 
120
89
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
 
121
90
    """A Mandos Client which is visible on the screen.
 
124
93
    def __init__(self, server_proxy_object=None, update_hook=None,
 
125
 
                 delete_hook=None, logger=None, **kwargs):
 
 
94
                 delete_hook=None, logger=None, *args, **kwargs):
 
126
95
        # Called on update
 
127
96
        self.update_hook = update_hook
 
128
97
        # Called on delete
 
 
131
100
        self.server_proxy_object = server_proxy_object
 
133
102
        self.logger = logger
 
135
104
        self._update_timer_callback_tag = None
 
 
105
        self.last_checker_failed = False
 
137
107
        # The widget shown normally
 
138
 
        self._text_widget = urwid.Text("")
 
 
108
        self._text_widget = urwid.Text(u"")
 
139
109
        # The widget shown when we have focus
 
140
 
        self._focus_text_widget = urwid.Text("")
 
141
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
 
110
        self._focus_text_widget = urwid.Text(u"")
 
 
111
        super(MandosClientWidget, self).__init__(
 
 
112
            update_hook=update_hook, delete_hook=delete_hook,
 
143
115
        self.opened = False
 
145
 
        self.match_objects = (
 
146
 
            self.proxy.connect_to_signal("CheckerCompleted",
 
147
 
                                         self.checker_completed,
 
150
 
            self.proxy.connect_to_signal("CheckerStarted",
 
151
 
                                         self.checker_started,
 
154
 
            self.proxy.connect_to_signal("GotSecret",
 
158
 
            self.proxy.connect_to_signal("NeedApproval",
 
162
 
            self.proxy.connect_to_signal("Rejected",
 
166
 
        self.logger('Created client {}'
 
167
 
                    .format(self.properties["Name"]), level=0)
 
169
 
    def using_timer(self, flag):
 
170
 
        """Call this method with True or False when timer should be
 
171
 
        activated or deactivated.
 
173
 
        if flag and self._update_timer_callback_tag is None:
 
174
 
            # Will update the shown timer value every second
 
175
 
            self._update_timer_callback_tag = (GLib.timeout_add
 
 
116
        self.proxy.connect_to_signal(u"CheckerCompleted",
 
 
117
                                     self.checker_completed,
 
 
120
        self.proxy.connect_to_signal(u"CheckerStarted",
 
 
121
                                     self.checker_started,
 
 
124
        self.proxy.connect_to_signal(u"GotSecret",
 
 
128
        self.proxy.connect_to_signal(u"NeedApproval",
 
 
132
        self.proxy.connect_to_signal(u"Rejected",
 
 
136
        last_checked_ok = isoformat_to_datetime(self.properties
 
 
138
        if last_checked_ok is None:
 
 
139
            self.last_checker_failed = True
 
 
141
            self.last_checker_failed = ((datetime.datetime.utcnow()
 
 
147
        if self.last_checker_failed:
 
 
148
            self._update_timer_callback_tag = (gobject.timeout_add
 
177
150
                                                self.update_timer))
 
178
 
        elif not (flag or self._update_timer_callback_tag is None):
 
179
 
            GLib.source_remove(self._update_timer_callback_tag)
 
180
 
            self._update_timer_callback_tag = None
 
182
152
    def checker_completed(self, exitstatus, condition, command):
 
183
153
        if exitstatus == 0:
 
184
 
            self.logger('Checker for client {} (command "{}")'
 
185
 
                        ' succeeded'.format(self.properties["Name"],
 
 
154
            if self.last_checker_failed:
 
 
155
                self.last_checker_failed = False
 
 
156
                gobject.source_remove(self._update_timer_callback_tag)
 
 
157
                self._update_timer_callback_tag = None
 
 
158
            #self.logger(u'Checker for client %s (command "%s")'
 
 
160
            #            % (self.properties[u"Name"], command))
 
 
164
        if not self.last_checker_failed:
 
 
165
            self.last_checker_failed = True
 
 
166
            self._update_timer_callback_tag = (gobject.timeout_add
 
190
169
        if os.WIFEXITED(condition):
 
191
 
            self.logger('Checker for client {} (command "{}") failed'
 
193
 
                        .format(self.properties["Name"], command,
 
194
 
                                os.WEXITSTATUS(condition)))
 
 
170
            self.logger(u'Checker for client %s (command "%s")'
 
 
171
                        u' failed with exit code %s'
 
 
172
                        % (self.properties[u"Name"], command,
 
 
173
                           os.WEXITSTATUS(condition)))
 
195
174
        elif os.WIFSIGNALED(condition):
 
196
 
            self.logger('Checker for client {} (command "{}") was'
 
197
 
                        ' killed by signal {}'
 
198
 
                        .format(self.properties["Name"], command,
 
199
 
                                os.WTERMSIG(condition)))
 
 
175
            self.logger(u'Checker for client %s (command "%s")'
 
 
176
                        u' was killed by signal %s'
 
 
177
                        % (self.properties[u"Name"], command,
 
 
178
                           os.WTERMSIG(condition)))
 
 
179
        elif os.WCOREDUMP(condition):
 
 
180
            self.logger(u'Checker for client %s (command "%s")'
 
 
182
                        % (self.properties[u"Name"], command))
 
 
184
            self.logger(u'Checker for client %s completed'
 
202
188
    def checker_started(self, command):
 
203
 
        """Server signals that a checker started."""
 
204
 
        self.logger('Client {} started checker "{}"'
 
205
 
                    .format(self.properties["Name"],
 
 
189
        #self.logger(u'Client %s started checker "%s"'
 
 
190
        #            % (self.properties[u"Name"], unicode(command)))
 
208
193
    def got_secret(self):
 
209
 
        self.logger('Client {} received its secret'
 
210
 
                    .format(self.properties["Name"]))
 
 
194
        self.last_checker_failed = False
 
 
195
        self.logger(u'Client %s received its secret'
 
 
196
                    % self.properties[u"Name"])
 
212
198
    def need_approval(self, timeout, default):
 
214
 
            message = 'Client {} needs approval within {} seconds'
 
 
200
            message = u'Client %s needs approval within %s seconds'
 
216
 
            message = 'Client {} will get its secret in {} seconds'
 
217
 
        self.logger(message.format(self.properties["Name"],
 
 
202
            message = u'Client %s will get its secret in %s seconds'
 
 
204
                    % (self.properties[u"Name"], timeout/1000))
 
220
206
    def rejected(self, reason):
 
221
 
        self.logger('Client {} was rejected; reason: {}'
 
222
 
                    .format(self.properties["Name"], reason))
 
 
207
        self.logger(u'Client %s was rejected; reason: %s'
 
 
208
                    % (self.properties[u"Name"], reason))
 
224
210
    def selectable(self):
 
225
211
        """Make this a "selectable" widget.
 
226
212
        This overrides the method from urwid.FlowWidget."""
 
229
 
    def rows(self, maxcolrow, focus=False):
 
 
215
    def rows(self, (maxcol,), focus=False):
 
230
216
        """How many rows this widget will occupy might depend on
 
231
217
        whether we have focus or not.
 
232
218
        This overrides the method from urwid.FlowWidget"""
 
233
 
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
 
219
        return self.current_widget(focus).rows((maxcol,), focus=focus)
 
235
221
    def current_widget(self, focus=False):
 
236
222
        if focus or self.opened:
 
237
223
            return self._focus_widget
 
238
224
        return self._widget
 
240
226
    def update(self):
 
241
227
        "Called when what is visible on the screen should be updated."
 
242
228
        # How to add standout mode to a style
 
243
 
        with_standout = {"normal": "standout",
 
244
 
                         "bold": "bold-standout",
 
246
 
                         "underline-blink-standout",
 
247
 
                         "bold-underline-blink":
 
248
 
                         "bold-underline-blink-standout",
 
 
229
        with_standout = { u"normal": u"standout",
 
 
230
                          u"bold": u"bold-standout",
 
 
232
                              u"underline-blink-standout",
 
 
233
                          u"bold-underline-blink":
 
 
234
                              u"bold-underline-blink-standout",
 
251
237
        # Rebuild focus and non-focus widgets using current properties
 
253
239
        # Base part of a client. Name!
 
254
 
        base = '{name}: '.format(name=self.properties["Name"])
 
255
 
        if not self.properties["Enabled"]:
 
257
 
            self.using_timer(False)
 
258
 
        elif self.properties["ApprovalPending"]:
 
259
 
            timeout = datetime.timedelta(
 
260
 
                milliseconds=self.properties["ApprovalDelay"])
 
261
 
            last_approval_request = isoformat_to_datetime(
 
262
 
                self.properties["LastApprovalRequest"])
 
263
 
            if last_approval_request is not None:
 
264
 
                timer = max(timeout - (datetime.datetime.utcnow()
 
265
 
                                       - last_approval_request),
 
266
 
                            datetime.timedelta())
 
268
 
                timer = datetime.timedelta()
 
269
 
            if self.properties["ApprovedByDefault"]:
 
270
 
                message = "Approval in {}. (d)eny?"
 
272
 
                message = "Denial in {}. (a)pprove?"
 
273
 
            message = message.format(str(timer).rsplit(".", 1)[0])
 
274
 
            self.using_timer(True)
 
275
 
        elif self.properties["LastCheckerStatus"] != 0:
 
276
 
            # When checker has failed, show timer until client expires
 
277
 
            expires = self.properties["Expires"]
 
279
 
                timer = datetime.timedelta(0)
 
281
 
                expires = (datetime.datetime.strptime
 
282
 
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
 
283
 
                timer = max(expires - datetime.datetime.utcnow(),
 
284
 
                            datetime.timedelta())
 
285
 
            message = ('A checker has failed! Time until client'
 
287
 
                       .format(str(timer).rsplit(".", 1)[0]))
 
288
 
            self.using_timer(True)
 
 
240
        base = (u'%(name)s: '
 
 
241
                      % {u"name": self.properties[u"Name"]})
 
 
242
        if not self.properties[u"Enabled"]:
 
 
243
            message = u"DISABLED"
 
 
244
        elif self.properties[u"ApprovalPending"]:
 
 
245
            if self.properties[u"ApprovedByDefault"]:
 
 
246
                message = u"Connection established to client. (d)eny?"
 
 
248
                message = u"Seeks approval to send secret. (a)pprove?"
 
 
249
        elif self.last_checker_failed:
 
 
250
            timeout = datetime.timedelta(milliseconds
 
 
253
            last_ok = isoformat_to_datetime(
 
 
254
                max((self.properties[u"LastCheckedOK"]
 
 
255
                     or self.properties[u"Created"]),
 
 
256
                    self.properties[u"LastEnabled"]))
 
 
257
            timer = timeout - (datetime.datetime.utcnow() - last_ok)
 
 
258
            message = (u'A checker has failed! Time until client'
 
 
260
                           % unicode(timer).rsplit(".", 1)[0])
 
291
 
            self.using_timer(False)
 
292
 
        self._text = "{}{}".format(base, message)
 
 
263
        self._text = "%s%s" % (base, message)
 
294
265
        if not urwid.supports_unicode():
 
295
266
            self._text = self._text.encode("ascii", "replace")
 
296
 
        textlist = [("normal", self._text)]
 
 
267
        textlist = [(u"normal", self._text)]
 
297
268
        self._text_widget.set_text(textlist)
 
298
269
        self._focus_text_widget.set_text([(with_standout[text[0]],
 
 
306
277
        # Run update hook, if any
 
307
278
        if self.update_hook is not None:
 
308
279
            self.update_hook()
 
310
281
    def update_timer(self):
 
311
 
        """called by GLib. Will indefinitely loop until
 
312
 
        GLib.source_remove() on tag is called
 
315
284
        return True             # Keep calling this
 
317
 
    def delete(self, **kwargs):
 
318
287
        if self._update_timer_callback_tag is not None:
 
319
 
            GLib.source_remove(self._update_timer_callback_tag)
 
 
288
            gobject.source_remove(self._update_timer_callback_tag)
 
320
289
            self._update_timer_callback_tag = None
 
321
 
        for match in self.match_objects:
 
323
 
        self.match_objects = ()
 
324
290
        if self.delete_hook is not None:
 
325
291
            self.delete_hook(self)
 
326
 
        return super(MandosClientWidget, self).delete(**kwargs)
 
328
 
    def render(self, maxcolrow, focus=False):
 
 
293
    def render(self, (maxcol,), focus=False):
 
329
294
        """Render differently if we have focus.
 
330
295
        This overrides the method from urwid.FlowWidget"""
 
331
 
        return self.current_widget(focus).render(maxcolrow,
 
 
296
        return self.current_widget(focus).render((maxcol,),
 
334
 
    def keypress(self, maxcolrow, key):
 
 
299
    def keypress(self, (maxcol,), key):
 
336
301
        This overrides the method from urwid.FlowWidget"""
 
338
 
            self.proxy.Set(client_interface, "Enabled",
 
339
 
                           dbus.Boolean(True), ignore_reply=True,
 
340
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
342
 
            self.proxy.Set(client_interface, "Enabled", False,
 
344
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
 
303
            self.proxy.Enable(dbus_interface = client_interface)
 
 
305
            self.proxy.Disable(dbus_interface = client_interface)
 
346
307
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
 
347
 
                               dbus_interface=client_interface,
 
 
308
                               dbus_interface = client_interface)
 
350
310
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
 
351
 
                               dbus_interface=client_interface,
 
353
 
        elif key == "R" or key == "_" or key == "ctrl k":
 
 
311
                                  dbus_interface = client_interface)
 
 
312
        elif key == u"r" or key == u"_" or key == u"ctrl k":
 
354
313
            self.server_proxy_object.RemoveClient(self.proxy
 
358
 
            self.proxy.Set(client_interface, "CheckerRunning",
 
359
 
                           dbus.Boolean(True), ignore_reply=True,
 
360
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
362
 
            self.proxy.Set(client_interface, "CheckerRunning",
 
363
 
                           dbus.Boolean(False), ignore_reply=True,
 
364
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
366
 
            self.proxy.CheckedOK(dbus_interface=client_interface,
 
 
316
            self.proxy.StartChecker(dbus_interface = client_interface)
 
 
318
            self.proxy.StopChecker(dbus_interface = client_interface)
 
 
320
            self.proxy.CheckedOK(dbus_interface = client_interface)
 
369
 
#         elif key == "p" or key == "=":
 
 
322
#         elif key == u"p" or key == "=":
 
370
323
#             self.proxy.pause()
 
371
 
#         elif key == "u" or key == ":":
 
 
324
#         elif key == u"u" or key == ":":
 
372
325
#             self.proxy.unpause()
 
 
326
#         elif key == u"RET":
 
 
329
#            self.proxy.Approve(True)
 
 
331
#            self.proxy.Approve(False)
 
378
 
    def properties_changed(self, interface, properties, invalidated):
 
379
 
        """Call self.update() if any properties changed.
 
 
335
    def property_changed(self, property=None, value=None,
 
 
337
        """Call self.update() if old value is not new value.
 
380
338
        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):
 
 
339
        property_name = unicode(property)
 
 
340
        old_value = self.properties.get(property_name)
 
 
341
        super(MandosClientWidget, self).property_changed(
 
 
342
            property=property, value=value, *args, **kwargs)
 
 
343
        if self.properties.get(property_name) != old_value:
 
 
404
361
    """This is the entire user interface - the whole screen
 
405
362
    with boxes, lists of client widgets, etc.
 
407
 
    def __init__(self, max_log_length=1000, log_level=1):
 
 
364
    def __init__(self, max_log_length=1000):
 
408
365
        DBusGMainLoop(set_as_default=True)
 
410
367
        self.screen = urwid.curses_display.Screen()
 
412
369
        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"),
 
 
371
                 u"default", u"default", None),
 
 
373
                 u"default", u"default", u"bold"),
 
 
375
                 u"default", u"default", u"underline"),
 
 
377
                 u"default", u"default", u"standout"),
 
 
378
                (u"bold-underline-blink",
 
 
379
                 u"default", u"default", (u"bold", u"underline")),
 
 
381
                 u"default", u"default", (u"bold", u"standout")),
 
 
382
                (u"underline-blink-standout",
 
 
383
                 u"default", u"default", (u"underline", u"standout")),
 
 
384
                (u"bold-underline-blink-standout",
 
 
385
                 u"default", u"default", (u"bold", u"underline",
 
434
389
        if urwid.supports_unicode():
 
435
 
            self.divider = "─"  # \u2500
 
 
390
            self.divider = u"─" # \u2500
 
 
391
            #self.divider = u"━" # \u2501
 
437
 
            self.divider = "_"  # \u005f
 
 
393
            #self.divider = u"-" # \u002d
 
 
394
            self.divider = u"_" # \u005f
 
439
396
        self.screen.start()
 
441
398
        self.size = self.screen.get_cols_rows()
 
443
400
        self.clients = urwid.SimpleListWalker([])
 
444
401
        self.clients_dict = {}
 
446
403
        # We will add Text widgets to this list
 
447
 
        self.log = urwid.SimpleListWalker([])
 
448
405
        self.max_log_length = max_log_length
 
450
 
        self.log_level = log_level
 
452
407
        # We keep a reference to the log widget so we can remove it
 
453
408
        # from the ListWalker without it getting destroyed
 
454
409
        self.logbox = ConstrainedListBox(self.log)
 
456
411
        # This keeps track of whether self.uilist currently has
 
457
412
        # self.logbox in it or not
 
458
413
        self.log_visible = True
 
459
 
        self.log_wrap = "any"
 
 
414
        self.log_wrap = u"any"
 
462
 
        self.log_message_raw(("bold",
 
463
 
                              "Mandos Monitor version " + version))
 
464
 
        self.log_message_raw(("bold",
 
 
417
        self.log_message_raw((u"bold",
 
 
418
                              u"Mandos Monitor version " + version))
 
 
419
        self.log_message_raw((u"bold",
 
467
422
        self.busname = domain + '.Mandos'
 
468
 
        self.main_loop = GLib.MainLoop()
 
470
 
    def client_not_found(self, key_id, address):
 
471
 
        self.log_message("Client with address {} and key ID {} could"
 
472
 
                         " not be found".format(address, key_id))
 
 
423
        self.main_loop = gobject.MainLoop()
 
 
424
        self.bus = dbus.SystemBus()
 
 
425
        mandos_dbus_objc = self.bus.get_object(
 
 
426
            self.busname, u"/", follow_name_owner_changes=True)
 
 
427
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
 
431
            mandos_clients = (self.mandos_serv
 
 
432
                              .GetAllClientsWithProperties())
 
 
433
        except dbus.exceptions.DBusException:
 
 
434
            mandos_clients = dbus.Dictionary()
 
 
437
         .connect_to_signal(u"ClientRemoved",
 
 
438
                            self.find_and_remove_client,
 
 
439
                            dbus_interface=server_interface,
 
 
442
         .connect_to_signal(u"ClientAdded",
 
 
444
                            dbus_interface=server_interface,
 
 
447
         .connect_to_signal(u"ClientNotFound",
 
 
448
                            self.client_not_found,
 
 
449
                            dbus_interface=server_interface,
 
 
451
        for path, client in mandos_clients.iteritems():
 
 
452
            client_proxy_object = self.bus.get_object(self.busname,
 
 
454
            self.add_client(MandosClientWidget(server_proxy_object
 
 
457
                                               =client_proxy_object,
 
 
467
    def client_not_found(self, fingerprint, address):
 
 
468
        self.log_message((u"Client with address %s and fingerprint %s"
 
 
469
                          u" could not be found" % (address,
 
474
472
    def rebuild(self):
 
475
473
        """This rebuilds the User Interface.
 
476
474
        Call this when the widget layout needs to change"""
 
478
 
        # self.uilist.append(urwid.ListBox(self.clients))
 
 
476
        #self.uilist.append(urwid.ListBox(self.clients))
 
479
477
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
 
481
 
                                       # header=urwid.Divider(),
 
 
479
                                       #header=urwid.Divider(),
 
483
 
                                       footer=urwid.Divider(
 
484
 
                                           div_char=self.divider)))
 
 
482
                                       urwid.Divider(div_char=
 
485
484
        if self.log_visible:
 
486
485
            self.uilist.append(self.logbox)
 
487
487
        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:
 
 
489
    def log_message(self, message):
 
493
490
        timestamp = datetime.datetime.now().isoformat()
 
494
 
        self.log_message_raw("{}: {}".format(timestamp, message),
 
497
 
    def log_message_raw(self, markup, level=1):
 
 
491
        self.log_message_raw(timestamp + u": " + message)
 
 
493
    def log_message_raw(self, markup):
 
498
494
        """Add a log message to the log buffer."""
 
499
 
        if level < self.log_level:
 
501
495
        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]
 
505
 
        self.logbox.set_focus(len(self.logbox.body.contents)-1,
 
 
496
        if (self.max_log_length
 
 
497
            and len(self.log) > self.max_log_length):
 
 
498
            del self.log[0:len(self.log)-self.max_log_length-1]
 
 
499
        self.logbox.set_focus(len(self.logbox.body.contents),
 
 
500
                              coming_from=u"above")
 
509
503
    def toggle_log_display(self):
 
510
504
        """Toggle visibility of the log buffer."""
 
511
505
        self.log_visible = not self.log_visible
 
513
 
        self.log_message("Log visibility changed to: {}"
 
514
 
                         .format(self.log_visible), level=0)
 
 
507
        self.log_message(u"Log visibility changed to: "
 
 
508
                         + unicode(self.log_visible))
 
516
510
    def change_log_display(self):
 
517
511
        """Change type of log display.
 
518
512
        Currently, this toggles wrapping of text lines."""
 
519
 
        if self.log_wrap == "clip":
 
520
 
            self.log_wrap = "any"
 
 
513
        if self.log_wrap == u"clip":
 
 
514
            self.log_wrap = u"any"
 
522
 
            self.log_wrap = "clip"
 
 
516
            self.log_wrap = u"clip"
 
523
517
        for textwidget in self.log:
 
524
518
            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
 
 
519
        self.log_message(u"Wrap mode: " + self.log_wrap)
 
 
521
    def find_and_remove_client(self, path, name):
 
 
522
        """Find an client from its object path and remove it.
 
 
524
        This is connected to the ClientRemoved signal from the
 
532
525
        Mandos server object."""
 
533
 
        if client_interface not in interfaces:
 
534
 
            # Not a Mandos client object; ignore
 
537
527
            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
 
 
531
        self.remove_client(client, path)
 
 
533
    def add_new_client(self, path):
 
554
534
        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])),
 
 
535
        self.add_client(MandosClientWidget(server_proxy_object
 
 
538
                                           =client_proxy_object,
 
564
547
    def add_client(self, client, path=None):
 
565
548
        self.clients.append(client)
 
567
550
            path = client.proxy.object_path
 
568
551
        self.clients_dict[path] = client
 
569
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
 
552
        self.clients.sort(None, lambda c: c.properties[u"Name"])
 
572
555
    def remove_client(self, client, path=None):
 
573
556
        self.clients.remove(client)
 
575
558
            path = client.proxy.object_path
 
576
559
        del self.clients_dict[path]
 
 
560
        if not self.clients_dict:
 
 
561
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
 
562
            # is completely emptied, we need to recreate it.
 
 
563
            self.clients = urwid.SimpleListWalker([])
 
579
567
    def refresh(self):
 
580
568
        """Redraw the screen"""
 
581
569
        canvas = self.topwidget.render(self.size, focus=True)
 
582
570
        self.screen.draw_screen(self.size, canvas)
 
585
573
        """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 = (
 
632
 
                GLib.IOChannel.unix_new(sys.stdin.fileno()),
 
633
 
                GLib.PRIORITY_DEFAULT, GLib.IO_IN,
 
 
575
        self._input_callback_tag = (gobject.io_add_watch
 
635
579
        self.main_loop.run()
 
636
580
        # Main loop has finished, we should close everything now
 
637
 
        GLib.source_remove(self._input_callback_tag)
 
638
 
        with warnings.catch_warnings():
 
639
 
            warnings.simplefilter("ignore", BytesWarning)
 
 
581
        gobject.source_remove(self._input_callback_tag)
 
643
585
        self.main_loop.quit()
 
645
587
    def process_input(self, source, condition):
 
646
588
        keys = self.screen.get_input()
 
647
 
        translations = {"ctrl n": "down",       # Emacs
 
648
 
                        "ctrl p": "up",         # Emacs
 
649
 
                        "ctrl v": "page down",  # Emacs
 
650
 
                        "meta v": "page up",    # Emacs
 
651
 
                        " ": "page down",       # less
 
652
 
                        "f": "page down",       # less
 
653
 
                        "b": "page up",         # less
 
 
589
        translations = { u"ctrl n": u"down",      # Emacs
 
 
590
                         u"ctrl p": u"up",        # Emacs
 
 
591
                         u"ctrl v": u"page down", # Emacs
 
 
592
                         u"meta v": u"page up",   # Emacs
 
 
593
                         u" ": u"page down",      # less
 
 
594
                         u"f": u"page down",      # less
 
 
595
                         u"b": u"page up",        # less
 
659
601
                key = translations[key]
 
660
602
            except KeyError:    # :-)
 
663
 
            if key == "q" or key == "Q":
 
 
605
            if key == u"q" or key == u"Q":
 
666
 
            elif key == "window resize":
 
 
608
            elif key == u"window resize":
 
667
609
                self.size = self.screen.get_cols_rows()
 
669
 
            elif key == "ctrl l":
 
 
611
            elif key == u"\f":  # Ctrl-L
 
672
 
            elif key == "l" or key == "D":
 
 
613
            elif key == u"l" or key == u"D":
 
673
614
                self.toggle_log_display()
 
675
 
            elif key == "w" or key == "i":
 
 
616
            elif key == u"w" or key == u"i":
 
676
617
                self.change_log_display()
 
678
 
            elif key == "?" or key == "f1" or key == "esc":
 
 
619
            elif key == u"?" or key == u"f1" or key == u"esc":
 
679
620
                if not self.log_visible:
 
680
621
                    self.log_visible = True
 
682
 
                self.log_message_raw(("bold",
 
686
 
                                            "l: Log window toggle",
 
687
 
                                            "TAB: Switch window",
 
688
 
                                            "w: Wrap (log lines)",
 
689
 
                                            "v: Toggle verbose log",
 
691
 
                self.log_message_raw(("bold",
 
697
 
                                             "s: Start new checker",
 
 
623
                self.log_message_raw((u"bold",
 
 
627
                                            u"l: Log window toggle",
 
 
628
                                            u"TAB: Switch window",
 
 
630
                self.log_message_raw((u"bold",
 
 
636
                                             u"s: Start new checker",
 
704
643
                if self.topwidget.get_focus() is self.logbox:
 
705
644
                    self.topwidget.set_focus(0)
 
707
646
                    self.topwidget.set_focus(self.logbox)
 
710
 
                if self.log_level == 0:
 
712
 
                    self.log_message("Verbose mode: Off")
 
715
 
                    self.log_message("Verbose mode: On")
 
716
 
            # elif (key == "end" or key == "meta >" or key == "G"
 
718
 
            #     pass            # xxx end-of-buffer
 
719
 
            # elif (key == "home" or key == "meta <" or key == "g"
 
721
 
            #     pass            # xxx beginning-of-buffer
 
722
 
            # elif key == "ctrl e" or key == "$":
 
723
 
            #     pass            # xxx move-end-of-line
 
724
 
            # elif key == "ctrl a" or key == "^":
 
725
 
            #     pass            # xxx move-beginning-of-line
 
726
 
            # elif key == "ctrl b" or key == "meta (" or key == "h":
 
728
 
            # elif key == "ctrl f" or key == "meta )" or key == "l":
 
731
 
            #     pass            # scroll up log
 
733
 
            #     pass            # scroll down log
 
 
648
            #elif (key == u"end" or key == u"meta >" or key == u"G"
 
 
650
            #    pass            # xxx end-of-buffer
 
 
651
            #elif (key == u"home" or key == u"meta <" or key == u"g"
 
 
653
            #    pass            # xxx beginning-of-buffer
 
 
654
            #elif key == u"ctrl e" or key == u"$":
 
 
655
            #    pass            # xxx move-end-of-line
 
 
656
            #elif key == u"ctrl a" or key == u"^":
 
 
657
            #    pass            # xxx move-beginning-of-line
 
 
658
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
 
 
660
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
 
 
663
            #    pass            # scroll up log
 
 
665
            #    pass            # scroll down log
 
734
666
            elif self.topwidget.selectable():
 
735
667
                self.topwidget.keypress(self.size, key)
 
740
671
ui = UserInterface()
 
743
674
except KeyboardInterrupt:
 
745
 
except Exception as e:
 
746
 
    ui.log_message(str(e))
 
 
677
    ui.log_message(unicode(e))