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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
 
 
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# (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
 
 
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#     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>.
 
4
 
from __future__ import division, absolute_import, with_statement
 
 
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from __future__ import (division, absolute_import, print_function,
 
 
30
    from future_builtins import *
 
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import urwid.curses_display
 
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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'')
 
 
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if sys.version_info.major == 2:
 
 
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locale.setlocale(locale.LC_ALL, '')
 
 
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logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
 
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# Some useful constants
 
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domain = 'se.bsnet.fukt'
 
 
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domain = 'se.recompile'
 
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server_interface = domain + '.Mandos'
 
29
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client_interface = domain + '.Mandos.Client'
 
32
 
# Always run in monochrome mode
 
33
 
urwid.curses_display.curses.has_colors = lambda : False
 
35
 
# Urwid doesn't support blinking, but we want it.  Since we have no
 
36
 
# use for underline on its own, we make underline also always blink.
 
37
 
urwid.curses_display.curses.A_UNDERLINE |= (
 
38
 
    urwid.curses_display.curses.A_BLINK)
 
 
65
    dbus.OBJECT_MANAGER_IFACE
 
 
66
except AttributeError:
 
 
67
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
 
 
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def isoformat_to_datetime(iso):
 
 
71
    "Parse an ISO 8601 date string to a datetime.datetime()"
 
 
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    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)
 
 
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    return datetime.datetime(int(year),
 
 
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                             int(second),            # Whole seconds
 
 
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                             int(fraction*1000000))  # Microseconds
 
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class MandosClientPropertyCache(object):
 
41
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    """This wraps a Mandos Client D-Bus proxy object, caches the
 
42
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    properties and calls a hook function when any of them are
 
45
 
    def __init__(self, proxy_object=None, *args, **kwargs):
 
46
 
        self.proxy = proxy_object # Mandos Client proxy object
 
48
 
        self.properties = dict()
 
49
 
        self.proxy.connect_to_signal(u"PropertyChanged",
 
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                                     self.property_changed,
 
54
 
        self.properties.update(
 
55
 
            self.proxy.GetAll(client_interface,
 
56
 
                              dbus_interface = dbus.PROPERTIES_IFACE))
 
57
 
        super(MandosClientPropertyCache, self).__init__(
 
58
 
            proxy_object=proxy_object, *args, **kwargs)
 
60
 
    def property_changed(self, property=None, value=None):
 
61
 
        """This is called whenever we get a PropertyChanged signal
 
62
 
        It updates the changed property in the "properties" dict.
 
 
92
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
 
93
        self.proxy = proxy_object  # Mandos Client proxy object
 
 
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        self.properties = dict() if properties is None else properties
 
 
95
        self.property_changed_match = (
 
 
96
            self.proxy.connect_to_signal("PropertiesChanged",
 
 
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                                         self.properties_changed,
 
 
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                                         dbus.PROPERTIES_IFACE,
 
 
101
        if properties is None:
 
 
102
            self.properties.update(self.proxy.GetAll(
 
 
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                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
112
        # Update properties dict with new value
 
65
 
        self.properties[property] = value
 
 
113
        if interface == client_interface:
 
 
114
            self.properties.update(properties)
 
 
117
        self.property_changed_match.remove()
 
68
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class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
 
69
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    """A Mandos Client which is visible on the screen.
 
72
124
    def __init__(self, server_proxy_object=None, update_hook=None,
 
73
 
                 delete_hook=None, logger=None, *args, **kwargs):
 
 
125
                 delete_hook=None, logger=None, **kwargs):
 
74
126
        # Called on update
 
75
127
        self.update_hook = update_hook
 
76
128
        # Called on delete
 
 
79
131
        self.server_proxy_object = server_proxy_object
 
81
133
        self.logger = logger
 
 
135
        self._update_timer_callback_tag = None
 
83
137
        # The widget shown normally
 
84
 
        self._text_widget = urwid.Text(u"")
 
 
138
        self._text_widget = urwid.Text("")
 
85
139
        # The widget shown when we have focus
 
86
 
        self._focus_text_widget = urwid.Text(u"")
 
87
 
        super(MandosClientWidget, self).__init__(
 
88
 
            update_hook=update_hook, delete_hook=delete_hook,
 
 
140
        self._focus_text_widget = urwid.Text("")
 
 
141
        super(MandosClientWidget, self).__init__(**kwargs)
 
91
143
        self.opened = False
 
92
 
        self.proxy.connect_to_signal(u"CheckerCompleted",
 
93
 
                                     self.checker_completed,
 
96
 
        self.proxy.connect_to_signal(u"CheckerStarted",
 
100
 
        self.proxy.connect_to_signal(u"GotSecret",
 
104
 
        self.proxy.connect_to_signal(u"Rejected",
 
 
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
 
109
182
    def checker_completed(self, exitstatus, condition, command):
 
110
183
        if exitstatus == 0:
 
111
 
            self.logger(u'Checker for client %s (command "%s")'
 
113
 
                        % (self.properties[u"name"], command))
 
 
184
            self.logger('Checker for client {} (command "{}")'
 
 
185
                        ' succeeded'.format(self.properties["Name"],
 
115
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        if os.WIFEXITED(condition):
 
116
 
            self.logger(u'Checker for client %s (command "%s")'
 
117
 
                        u' failed with exit code %s'
 
118
 
                        % (self.properties[u"name"], command,
 
119
 
                           os.WEXITSTATUS(condition)))
 
121
 
        if os.WIFSIGNALED(condition):
 
122
 
            self.logger(u'Checker for client %s (command "%s")'
 
123
 
                        u' was killed by signal %s'
 
124
 
                        % (self.properties[u"name"], command,
 
125
 
                           os.WTERMSIG(condition)))
 
127
 
        if os.WCOREDUMP(condition):
 
128
 
            self.logger(u'Checker for client %s (command "%s")'
 
130
 
                        % (self.properties[u"name"], command))
 
131
 
        self.logger(u'Checker for client %s completed mysteriously')
 
 
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)))
 
133
202
    def checker_started(self, command):
 
134
 
        self.logger(u'Client %s started checker "%s"'
 
135
 
                    % (self.properties[u"name"], unicode(command)))
 
 
203
        """Server signals that a checker started."""
 
 
204
        self.logger('Client {} started checker "{}"'
 
 
205
                    .format(self.properties["Name"],
 
137
208
    def got_secret(self):
 
138
 
        self.logger(u'Client %s received its secret'
 
139
 
                    % self.properties[u"name"])
 
142
 
        self.logger(u'Client %s was rejected'
 
143
 
                    % self.properties[u"name"])
 
 
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))
 
145
224
    def selectable(self):
 
146
225
        """Make this a "selectable" widget.
 
147
226
        This overrides the method from urwid.FlowWidget."""
 
150
 
    def rows(self, (maxcol,), focus=False):
 
 
229
    def rows(self, maxcolrow, focus=False):
 
151
230
        """How many rows this widget will occupy might depend on
 
152
231
        whether we have focus or not.
 
153
232
        This overrides the method from urwid.FlowWidget"""
 
154
 
        return self.current_widget(focus).rows((maxcol,), focus=focus)
 
 
233
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
156
235
    def current_widget(self, focus=False):
 
157
236
        if focus or self.opened:
 
158
237
            return self._focus_widget
 
159
238
        return self._widget
 
161
240
    def update(self):
 
162
241
        "Called when what is visible on the screen should be updated."
 
163
242
        # How to add standout mode to a style
 
164
 
        with_standout = { u"normal": u"standout",
 
165
 
                          u"bold": u"bold-standout",
 
167
 
                              u"underline-blink-standout",
 
168
 
                          u"bold-underline-blink":
 
169
 
                              u"bold-underline-blink-standout",
 
 
243
        with_standout = {"normal": "standout",
 
 
244
                         "bold": "bold-standout",
 
 
246
                         "underline-blink-standout",
 
 
247
                         "bold-underline-blink":
 
 
248
                         "bold-underline-blink-standout",
 
172
251
        # Rebuild focus and non-focus widgets using current properties
 
173
 
        self._text = (u'%(name)s: %(enabled)s'
 
174
 
                      % { u"name": self.properties[u"name"],
 
177
 
                               if self.properties[u"enabled"]
 
 
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)
 
179
294
        if not urwid.supports_unicode():
 
180
295
            self._text = self._text.encode("ascii", "replace")
 
181
 
        textlist = [(u"normal", self._text)]
 
 
296
        textlist = [("normal", self._text)]
 
182
297
        self._text_widget.set_text(textlist)
 
183
298
        self._focus_text_widget.set_text([(with_standout[text[0]],
 
 
191
306
        # Run update hook, if any
 
192
307
        if self.update_hook is not None:
 
193
308
            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 = ()
 
196
324
        if self.delete_hook is not None:
 
197
325
            self.delete_hook(self)
 
199
 
    def render(self, (maxcol,), focus=False):
 
 
326
        return super(MandosClientWidget, self).delete(**kwargs)
 
 
328
    def render(self, maxcolrow, focus=False):
 
200
329
        """Render differently if we have focus.
 
201
330
        This overrides the method from urwid.FlowWidget"""
 
202
 
        return self.current_widget(focus).render((maxcol,),
 
 
331
        return self.current_widget(focus).render(maxcolrow,
 
205
 
    def keypress(self, (maxcol,), key):
 
 
334
    def keypress(self, maxcolrow, key):
 
207
336
        This overrides the method from urwid.FlowWidget"""
 
208
 
        if key == u"e" or key == u"+":
 
210
 
        elif key == u"d" or key == u"-":
 
212
 
        elif key == u"r" or key == u"_" or key == u"ctrl k":
 
 
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":
 
213
354
            self.server_proxy_object.RemoveClient(self.proxy
 
216
 
            self.proxy.StartChecker()
 
218
 
            self.proxy.StopChecker()
 
220
 
            self.proxy.CheckedOK()
 
 
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,
 
222
 
#         elif key == u"p" or key == "=":
 
 
369
#         elif key == "p" or key == "=":
 
223
370
#             self.proxy.pause()
 
224
 
#         elif key == u"u" or key == ":":
 
 
371
#         elif key == "u" or key == ":":
 
225
372
#             self.proxy.unpause()
 
226
 
#         elif key == u"RET":
 
231
 
    def property_changed(self, property=None, value=None,
 
233
 
        """Call self.update() if old value is not new value.
 
 
378
    def properties_changed(self, interface, properties, invalidated):
 
 
379
        """Call self.update() if any properties changed.
 
234
380
        This overrides the method from MandosClientPropertyCache"""
 
235
 
        property_name = unicode(property)
 
236
 
        old_value = self.properties.get(property_name)
 
237
 
        super(MandosClientWidget, self).property_changed(
 
238
 
            property=property, value=value, *args, **kwargs)
 
239
 
        if self.properties.get(property_name) != old_value:
 
 
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):
 
 
256
404
    """This is the entire user interface - the whole screen
 
257
405
    with boxes, lists of client widgets, etc.
 
259
 
    def __init__(self, max_log_length=1000):
 
 
407
    def __init__(self, max_log_length=1000, log_level=1):
 
260
408
        DBusGMainLoop(set_as_default=True)
 
262
410
        self.screen = urwid.curses_display.Screen()
 
264
412
        self.screen.register_palette((
 
266
 
                 u"default", u"default", None),
 
268
 
                 u"default", u"default", u"bold"),
 
270
 
                 u"default", u"default", u"underline"),
 
272
 
                 u"default", u"default", u"standout"),
 
273
 
                (u"bold-underline-blink",
 
274
 
                 u"default", u"default", (u"bold", u"underline")),
 
276
 
                 u"default", u"default", (u"bold", u"standout")),
 
277
 
                (u"underline-blink-standout",
 
278
 
                 u"default", u"default", (u"underline", u"standout")),
 
279
 
                (u"bold-underline-blink-standout",
 
280
 
                 u"default", u"default", (u"bold", u"underline",
 
 
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"),
 
284
434
        if urwid.supports_unicode():
 
285
 
            self.divider = u"─" # \u2500
 
286
 
            #self.divider = u"━" # \u2501
 
 
435
            self.divider = "─"  # \u2500
 
288
 
            #self.divider = u"-" # \u002d
 
289
 
            self.divider = u"_" # \u005f
 
 
437
            self.divider = "_"  # \u005f
 
291
439
        self.screen.start()
 
293
441
        self.size = self.screen.get_cols_rows()
 
295
443
        self.clients = urwid.SimpleListWalker([])
 
296
444
        self.clients_dict = {}
 
298
446
        # We will add Text widgets to this list
 
 
447
        self.log = urwid.SimpleListWalker([])
 
300
448
        self.max_log_length = max_log_length
 
 
450
        self.log_level = log_level
 
302
452
        # We keep a reference to the log widget so we can remove it
 
303
453
        # from the ListWalker without it getting destroyed
 
304
454
        self.logbox = ConstrainedListBox(self.log)
 
306
456
        # This keeps track of whether self.uilist currently has
 
307
457
        # self.logbox in it or not
 
308
458
        self.log_visible = True
 
309
 
        self.log_wrap = u"any"
 
 
459
        self.log_wrap = "any"
 
312
 
        self.log_message_raw((u"bold",
 
313
 
                              u"Mandos Monitor version " + version))
 
314
 
        self.log_message_raw((u"bold",
 
 
462
        self.log_message_raw(("bold",
 
 
463
                              "Mandos Monitor version " + version))
 
 
464
        self.log_message_raw(("bold",
 
317
467
        self.busname = domain + '.Mandos'
 
318
 
        self.main_loop = gobject.MainLoop()
 
319
 
        self.bus = dbus.SystemBus()
 
320
 
        mandos_dbus_objc = self.bus.get_object(
 
321
 
            self.busname, u"/", follow_name_owner_changes=True)
 
322
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
326
 
            mandos_clients = (self.mandos_serv
 
327
 
                              .GetAllClientsWithProperties())
 
328
 
        except dbus.exceptions.DBusException:
 
329
 
            mandos_clients = dbus.Dictionary()
 
332
 
         .connect_to_signal(u"ClientRemoved",
 
333
 
                            self.find_and_remove_client,
 
334
 
                            dbus_interface=server_interface,
 
337
 
         .connect_to_signal(u"ClientAdded",
 
339
 
                            dbus_interface=server_interface,
 
342
 
         .connect_to_signal(u"ClientNotFound",
 
343
 
                            self.client_not_found,
 
344
 
                            dbus_interface=server_interface,
 
346
 
        for path, client in mandos_clients.iteritems():
 
347
 
            client_proxy_object = self.bus.get_object(self.busname,
 
349
 
            self.add_client(MandosClientWidget(server_proxy_object
 
352
 
                                               =client_proxy_object,
 
362
 
    def client_not_found(self, fingerprint, address):
 
363
 
        self.log_message((u"Client with address %s and fingerprint %s"
 
364
 
                          u" could not be found" % (address,
 
 
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))
 
367
474
    def rebuild(self):
 
368
475
        """This rebuilds the User Interface.
 
369
476
        Call this when the widget layout needs to change"""
 
371
 
        #self.uilist.append(urwid.ListBox(self.clients))
 
372
 
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
 
373
 
                                       #header=urwid.Divider(),
 
 
478
        # self.uilist.append(urwid.ListBox(self.clients))
 
 
479
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
 
 
481
                                       # header=urwid.Divider(),
 
375
 
                                       footer=urwid.Divider(div_char=self.divider)))
 
 
483
                                       footer=urwid.Divider(
 
 
484
                                           div_char=self.divider)))
 
376
485
        if self.log_visible:
 
377
486
            self.uilist.append(self.logbox)
 
379
487
        self.topwidget = urwid.Pile(self.uilist)
 
381
 
    def log_message(self, message):
 
 
489
    def log_message(self, message, level=1):
 
 
490
        """Log message formatted with timestamp"""
 
 
491
        if level < self.log_level:
 
382
493
        timestamp = datetime.datetime.now().isoformat()
 
383
 
        self.log_message_raw(timestamp + u": " + message)
 
385
 
    def log_message_raw(self, markup):
 
 
494
        self.log_message_raw("{}: {}".format(timestamp, message),
 
 
497
    def log_message_raw(self, markup, level=1):
 
386
498
        """Add a log message to the log buffer."""
 
 
499
        if level < self.log_level:
 
387
501
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
 
388
 
        if (self.max_log_length
 
389
 
            and len(self.log) > self.max_log_length):
 
390
 
            del self.log[0:len(self.log)-self.max_log_length-1]
 
391
 
        self.logbox.set_focus(len(self.logbox.body.contents),
 
392
 
                              coming_from=u"above")
 
 
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,
 
395
509
    def toggle_log_display(self):
 
396
510
        """Toggle visibility of the log buffer."""
 
397
511
        self.log_visible = not self.log_visible
 
399
 
        self.log_message(u"Log visibility changed to: "
 
400
 
                         + unicode(self.log_visible))
 
 
513
        self.log_message("Log visibility changed to: {}"
 
 
514
                         .format(self.log_visible), level=0)
 
402
516
    def change_log_display(self):
 
403
517
        """Change type of log display.
 
404
518
        Currently, this toggles wrapping of text lines."""
 
405
 
        if self.log_wrap == u"clip":
 
406
 
            self.log_wrap = u"any"
 
 
519
        if self.log_wrap == "clip":
 
 
520
            self.log_wrap = "any"
 
408
 
            self.log_wrap = u"clip"
 
 
522
            self.log_wrap = "clip"
 
409
523
        for textwidget in self.log:
 
410
524
            textwidget.set_wrap_mode(self.log_wrap)
 
411
 
        self.log_message(u"Wrap mode: " + self.log_wrap)
 
413
 
    def find_and_remove_client(self, path, name):
 
414
 
        """Find an client from its object path and remove it.
 
416
 
        This is connected to the ClientRemoved signal from the
 
 
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
 
417
532
        Mandos server object."""
 
 
533
        if client_interface not in interfaces:
 
 
534
            # Not a Mandos client object; ignore
 
419
537
            client = self.clients_dict[path]
 
423
 
        self.remove_client(client, path)
 
425
 
    def add_new_client(self, 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
 
426
554
        client_proxy_object = self.bus.get_object(self.busname, path)
 
427
 
        self.add_client(MandosClientWidget(server_proxy_object
 
430
 
                                           =client_proxy_object,
 
 
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])),
 
439
564
    def add_client(self, client, path=None):
 
440
565
        self.clients.append(client)
 
442
567
            path = client.proxy.object_path
 
443
568
        self.clients_dict[path] = client
 
444
 
        self.clients.sort(None, lambda c: c.properties[u"name"])
 
 
569
        self.clients.sort(key=lambda c: c.properties["Name"])
 
447
572
    def remove_client(self, client, path=None):
 
448
573
        self.clients.remove(client)
 
450
575
            path = client.proxy.object_path
 
451
576
        del self.clients_dict[path]
 
452
 
        if not self.clients_dict:
 
453
 
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
454
 
            # is completely emptied, we need to recreate it.
 
455
 
            self.clients = urwid.SimpleListWalker([])
 
459
579
    def refresh(self):
 
460
580
        """Redraw the screen"""
 
461
581
        canvas = self.topwidget.render(self.size, focus=True)
 
462
582
        self.screen.draw_screen(self.size, canvas)
 
465
585
        """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),
 
467
 
        self._input_callback_tag = (gobject.io_add_watch
 
 
630
        self._input_callback_tag = (
 
 
632
                GLib.IOChannel.unix_new(sys.stdin.fileno()),
 
 
633
                GLib.PRIORITY_DEFAULT, GLib.IO_IN,
 
471
635
        self.main_loop.run()
 
472
636
        # Main loop has finished, we should close everything now
 
473
 
        gobject.source_remove(self._input_callback_tag)
 
 
637
        GLib.source_remove(self._input_callback_tag)
 
 
638
        with warnings.catch_warnings():
 
 
639
            warnings.simplefilter("ignore", BytesWarning)
 
477
643
        self.main_loop.quit()
 
479
645
    def process_input(self, source, condition):
 
480
646
        keys = self.screen.get_input()
 
481
 
        translations = { u"ctrl n": u"down",      # Emacs
 
482
 
                         u"ctrl p": u"up",        # Emacs
 
483
 
                         u"ctrl v": u"page down", # Emacs
 
484
 
                         u"meta v": u"page up",   # Emacs
 
485
 
                         u" ": u"page down",      # less
 
486
 
                         u"f": u"page down",      # less
 
487
 
                         u"b": u"page up",        # less
 
 
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
 
493
659
                key = translations[key]
 
494
660
            except KeyError:    # :-)
 
497
 
            if key == u"q" or key == u"Q":
 
 
663
            if key == "q" or key == "Q":
 
500
 
            elif key == u"window resize":
 
 
666
            elif key == "window resize":
 
501
667
                self.size = self.screen.get_cols_rows()
 
503
 
            elif key == u"\f":  # Ctrl-L
 
 
669
            elif key == "ctrl l":
 
505
 
            elif key == u"l" or key == u"D":
 
 
672
            elif key == "l" or key == "D":
 
506
673
                self.toggle_log_display()
 
508
 
            elif key == u"w" or key == u"i":
 
 
675
            elif key == "w" or key == "i":
 
509
676
                self.change_log_display()
 
511
 
            elif key == u"?" or key == u"f1" or key == u"esc":
 
 
678
            elif key == "?" or key == "f1" or key == "esc":
 
512
679
                if not self.log_visible:
 
513
680
                    self.log_visible = True
 
515
 
                self.log_message_raw((u"bold",
 
519
 
                                            u"l: Log window toggle",
 
520
 
                                            u"TAB: Switch window",
 
522
 
                self.log_message_raw((u"bold",
 
528
 
                                             u"s: Start new checker",
 
 
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",
 
533
704
                if self.topwidget.get_focus() is self.logbox:
 
534
705
                    self.topwidget.set_focus(0)
 
536
707
                    self.topwidget.set_focus(self.logbox)
 
538
 
            #elif (key == u"end" or key == u"meta >" or key == u"G"
 
540
 
            #    pass            # xxx end-of-buffer
 
541
 
            #elif (key == u"home" or key == u"meta <" or key == u"g"
 
543
 
            #    pass            # xxx beginning-of-buffer
 
544
 
            #elif key == u"ctrl e" or key == u"$":
 
545
 
            #    pass            # xxx move-end-of-line
 
546
 
            #elif key == u"ctrl a" or key == u"^":
 
547
 
            #    pass            # xxx move-beginning-of-line
 
548
 
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
 
550
 
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
 
553
 
            #    pass            # scroll up log
 
555
 
            #    pass            # scroll down log
 
 
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
 
556
734
            elif self.topwidget.selectable():
 
557
735
                self.topwidget.keypress(self.size, key)
 
561
740
ui = UserInterface()
 
565
 
    ui.log_message(unicode(e))
 
 
743
except KeyboardInterrupt:
 
 
745
except Exception as e:
 
 
746
    ui.log_message(str(e))