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# -*- mode: python; coding: utf-8 -*-
 
4
 
# Mandos Monitor - Control and monitor the Mandos server
 
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# Copyright © 2009-2016 Teddy Hogeborn
 
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# Copyright © 2009-2016 Björn Påhlsson
 
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# This program is free software: you can redistribute it and/or modify
 
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# it under the terms of the GNU General Public License as published by
 
11
 
# the Free Software Foundation, either version 3 of the License, or
 
12
 
# (at your option) any later version.
 
14
 
#     This program is distributed in the hope that it will be useful,
 
15
 
#     but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
17
 
#     GNU General Public License for more details.
 
19
 
# You should have received a copy of the GNU General Public License
 
20
 
# along with this program.  If not, see
 
21
 
# <http://www.gnu.org/licenses/>.
 
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# Contact the authors at <mandos@recompile.se>.
 
26
 
from __future__ import (division, absolute_import, print_function,
 
29
 
    from future_builtins import *
 
 
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from __future__ import division, absolute_import, with_statement
 
 
41
15
from dbus.mainloop.glib import DBusGMainLoop
 
42
 
from gi.repository import GLib
 
48
 
if sys.version_info.major == 2:
 
51
 
locale.setlocale(locale.LC_ALL, '')
 
 
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locale.setlocale(locale.LC_ALL, u'')
 
54
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logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
 
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# Some useful constants
 
57
 
domain = 'se.recompile'
 
 
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domain = 'se.bsnet.fukt'
 
58
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server_interface = domain + '.Mandos'
 
59
32
client_interface = domain + '.Mandos.Client'
 
63
 
    dbus.OBJECT_MANAGER_IFACE
 
64
 
except AttributeError:
 
65
 
    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)
 
67
43
def isoformat_to_datetime(iso):
 
68
44
    "Parse an ISO 8601 date string to a datetime.datetime()"
 
71
 
    d, t = iso.split("T", 1)
 
72
 
    year, month, day = d.split("-", 2)
 
73
 
    hour, minute, second = t.split(":", 2)
 
 
47
    d, t = iso.split(u"T", 1)
 
 
48
    year, month, day = d.split(u"-", 2)
 
 
49
    hour, minute, second = t.split(u":", 2)
 
74
50
    second, fraction = divmod(float(second), 1)
 
75
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    return datetime.datetime(int(year),
 
 
85
61
    properties and calls a hook function when any of them are
 
88
 
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
 
64
    def __init__(self, proxy_object=None, *args, **kwargs):
 
89
65
        self.proxy = proxy_object # Mandos Client proxy object
 
90
 
        self.properties = dict() if properties is None else properties
 
91
 
        self.property_changed_match = (
 
92
 
            self.proxy.connect_to_signal("PropertiesChanged",
 
93
 
                                         self.properties_changed,
 
94
 
                                         dbus.PROPERTIES_IFACE,
 
97
 
        if properties is None:
 
98
 
            self.properties.update(
 
99
 
                self.proxy.GetAll(client_interface,
 
101
 
                                  = dbus.PROPERTIES_IFACE))
 
103
 
        super(MandosClientPropertyCache, self).__init__(**kwargs)
 
 
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,
 
 
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                              dbus_interface = dbus.PROPERTIES_IFACE))
 
 
77
        #XXX This break good super behaviour!
 
 
78
#        super(MandosClientPropertyCache, self).__init__(
 
105
 
    def properties_changed(self, interface, properties, invalidated):
 
106
 
        """This is called whenever we get a PropertiesChanged signal
 
107
 
        It updates the changed properties in the "properties" dict.
 
 
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.
 
109
85
        # Update properties dict with new value
 
110
 
        if interface == client_interface:
 
111
 
            self.properties.update(properties)
 
114
 
        self.property_changed_match.remove()
 
 
86
        self.properties[property] = value
 
117
89
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
 
 
130
102
        self.logger = logger
 
132
104
        self._update_timer_callback_tag = None
 
 
105
        self.last_checker_failed = False
 
134
107
        # The widget shown normally
 
135
 
        self._text_widget = urwid.Text("")
 
 
108
        self._text_widget = urwid.Text(u"")
 
136
109
        # The widget shown when we have focus
 
137
 
        self._focus_text_widget = urwid.Text("")
 
138
 
        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,
 
140
115
        self.opened = False
 
142
 
        self.match_objects = (
 
143
 
            self.proxy.connect_to_signal("CheckerCompleted",
 
144
 
                                         self.checker_completed,
 
147
 
            self.proxy.connect_to_signal("CheckerStarted",
 
148
 
                                         self.checker_started,
 
151
 
            self.proxy.connect_to_signal("GotSecret",
 
155
 
            self.proxy.connect_to_signal("NeedApproval",
 
159
 
            self.proxy.connect_to_signal("Rejected",
 
163
 
        self.logger('Created client {}'
 
164
 
                    .format(self.properties["Name"]), level=0)
 
166
 
    def using_timer(self, flag):
 
167
 
        """Call this method with True or False when timer should be
 
168
 
        activated or deactivated.
 
170
 
        if flag and self._update_timer_callback_tag is None:
 
171
 
            # Will update the shown timer value every second
 
172
 
            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()
 
 
145
                                         self.properties["interval"]))
 
 
146
        if self.last_checker_failed:
 
 
147
            self._update_timer_callback_tag = (gobject.timeout_add
 
174
149
                                                self.update_timer))
 
175
 
        elif not (flag or self._update_timer_callback_tag is None):
 
176
 
            GLib.source_remove(self._update_timer_callback_tag)
 
177
 
            self._update_timer_callback_tag = None
 
179
151
    def checker_completed(self, exitstatus, condition, command):
 
180
152
        if exitstatus == 0:
 
181
 
            self.logger('Checker for client {} (command "{}")'
 
182
 
                        ' succeeded'.format(self.properties["Name"],
 
 
153
            if self.last_checker_failed:
 
 
154
                self.last_checker_failed = False
 
 
155
                gobject.source_remove(self._update_timer_callback_tag)
 
 
156
                self._update_timer_callback_tag = None
 
 
157
            self.logger(u'Checker for client %s (command "%s")'
 
 
159
                        % (self.properties[u"name"], command))
 
 
163
        if not self.last_checker_failed:
 
 
164
            self.last_checker_failed = True
 
 
165
            self._update_timer_callback_tag = (gobject.timeout_add
 
187
168
        if os.WIFEXITED(condition):
 
188
 
            self.logger('Checker for client {} (command "{}") failed'
 
190
 
                        .format(self.properties["Name"], command,
 
191
 
                                os.WEXITSTATUS(condition)))
 
 
169
            self.logger(u'Checker for client %s (command "%s")'
 
 
170
                        u' failed with exit code %s'
 
 
171
                        % (self.properties[u"name"], command,
 
 
172
                           os.WEXITSTATUS(condition)))
 
192
173
        elif os.WIFSIGNALED(condition):
 
193
 
            self.logger('Checker for client {} (command "{}") was'
 
194
 
                        ' killed by signal {}'
 
195
 
                        .format(self.properties["Name"], command,
 
196
 
                                os.WTERMSIG(condition)))
 
 
174
            self.logger(u'Checker for client %s (command "%s")'
 
 
175
                        u' was killed by signal %s'
 
 
176
                        % (self.properties[u"name"], command,
 
 
177
                           os.WTERMSIG(condition)))
 
 
178
        elif os.WCOREDUMP(condition):
 
 
179
            self.logger(u'Checker for client %s (command "%s")'
 
 
181
                        % (self.properties[u"name"], command))
 
 
183
            self.logger(u'Checker for client %s completed mysteriously')
 
199
186
    def checker_started(self, command):
 
200
 
        """Server signals that a checker started."""
 
201
 
        self.logger('Client {} started checker "{}"'
 
202
 
                    .format(self.properties["Name"],
 
 
187
        #self.logger(u'Client %s started checker "%s"'
 
 
188
        #            % (self.properties[u"name"], unicode(command)))
 
205
191
    def got_secret(self):
 
206
 
        self.logger('Client {} received its secret'
 
207
 
                    .format(self.properties["Name"]))
 
 
192
        self.logger(u'Client %s received its secret'
 
 
193
                    % self.properties[u"name"])
 
209
195
    def need_approval(self, timeout, default):
 
211
 
            message = 'Client {} needs approval within {} seconds'
 
 
197
            message = u'Client %s needs approval within %s seconds'
 
213
 
            message = 'Client {} will get its secret in {} seconds'
 
214
 
        self.logger(message.format(self.properties["Name"],
 
 
199
            message = u'Client %s will get its secret in %s seconds'
 
 
201
                    % (self.properties[u"name"], timeout/1000))
 
217
203
    def rejected(self, reason):
 
218
 
        self.logger('Client {} was rejected; reason: {}'
 
219
 
                    .format(self.properties["Name"], reason))
 
 
204
        self.logger(u'Client %s was rejected; reason: %s'
 
 
205
                    % (self.properties[u"name"], reason))
 
221
207
    def selectable(self):
 
222
208
        """Make this a "selectable" widget.
 
223
209
        This overrides the method from urwid.FlowWidget."""
 
226
 
    def rows(self, maxcolrow, focus=False):
 
 
212
    def rows(self, (maxcol,), focus=False):
 
227
213
        """How many rows this widget will occupy might depend on
 
228
214
        whether we have focus or not.
 
229
215
        This overrides the method from urwid.FlowWidget"""
 
230
 
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
 
216
        return self.current_widget(focus).rows((maxcol,), focus=focus)
 
232
218
    def current_widget(self, focus=False):
 
233
219
        if focus or self.opened:
 
 
237
223
    def update(self):
 
238
224
        "Called when what is visible on the screen should be updated."
 
239
225
        # How to add standout mode to a style
 
240
 
        with_standout = { "normal": "standout",
 
241
 
                          "bold": "bold-standout",
 
243
 
                              "underline-blink-standout",
 
244
 
                          "bold-underline-blink":
 
245
 
                              "bold-underline-blink-standout",
 
 
226
        with_standout = { u"normal": u"standout",
 
 
227
                          u"bold": u"bold-standout",
 
 
229
                              u"underline-blink-standout",
 
 
230
                          u"bold-underline-blink":
 
 
231
                              u"bold-underline-blink-standout",
 
248
234
        # Rebuild focus and non-focus widgets using current properties
 
250
236
        # Base part of a client. Name!
 
251
 
        base = '{name}: '.format(name=self.properties["Name"])
 
252
 
        if not self.properties["Enabled"]:
 
254
 
            self.using_timer(False)
 
255
 
        elif self.properties["ApprovalPending"]:
 
 
237
        base = (u'%(name)s: '
 
 
238
                      % {u"name": self.properties[u"name"]})
 
 
239
        if not self.properties[u"enabled"]:
 
 
240
            message = u"DISABLED"
 
 
241
        elif self.last_checker_failed:
 
256
242
            timeout = datetime.timedelta(milliseconds
 
259
 
            last_approval_request = isoformat_to_datetime(
 
260
 
                self.properties["LastApprovalRequest"])
 
261
 
            if last_approval_request is not None:
 
262
 
                timer = max(timeout - (datetime.datetime.utcnow()
 
263
 
                                       - last_approval_request),
 
264
 
                            datetime.timedelta())
 
266
 
                timer = datetime.timedelta()
 
267
 
            if self.properties["ApprovedByDefault"]:
 
268
 
                message = "Approval in {}. (d)eny?"
 
270
 
                message = "Denial in {}. (a)pprove?"
 
271
 
            message = message.format(str(timer).rsplit(".", 1)[0])
 
272
 
            self.using_timer(True)
 
273
 
        elif self.properties["LastCheckerStatus"] != 0:
 
274
 
            # When checker has failed, show timer until client expires
 
275
 
            expires = self.properties["Expires"]
 
277
 
                timer = datetime.timedelta(0)
 
279
 
                expires = (datetime.datetime.strptime
 
280
 
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
 
281
 
                timer = max(expires - datetime.datetime.utcnow(),
 
282
 
                            datetime.timedelta())
 
283
 
            message = ('A checker has failed! Time until client'
 
285
 
                       .format(str(timer).rsplit(".", 1)[0]))
 
286
 
            self.using_timer(True)
 
 
243
                                         = self.properties[u"timeout"])
 
 
244
            last_ok = isoformat_to_datetime(
 
 
245
                max((self.properties["last_checked_ok"]
 
 
246
                     or self.properties["created"]),
 
 
247
                    self.properties[u"last_enabled"]))
 
 
248
            timer = timeout - (datetime.datetime.utcnow() - last_ok)
 
 
250
            message = (u'A checker has failed! Time until client gets diabled: %s'
 
 
252
        elif self.properties[u"approved_pending"]:
 
 
253
            if self.properties[u"approved_by_default"]:
 
 
254
                message = u"Connection established to client. (d)eny?"
 
 
256
                message = u"Seeks approval to send secret. (a)pprove?"
 
289
 
            self.using_timer(False)
 
290
 
        self._text = "{}{}".format(base, message)
 
 
259
        self._text = "%s%s" % (base, message)
 
292
261
        if not urwid.supports_unicode():
 
293
262
            self._text = self._text.encode("ascii", "replace")
 
294
 
        textlist = [("normal", self._text)]
 
 
263
        textlist = [(u"normal", self._text)]
 
295
264
        self._text_widget.set_text(textlist)
 
296
265
        self._focus_text_widget.set_text([(with_standout[text[0]],
 
 
306
275
            self.update_hook()
 
308
277
    def update_timer(self):
 
309
 
        """called by GLib. Will indefinitely loop until
 
310
 
        GLib.source_remove() on tag is called
 
313
280
        return True             # Keep calling this
 
315
 
    def delete(self, **kwargs):
 
316
283
        if self._update_timer_callback_tag is not None:
 
317
 
            GLib.source_remove(self._update_timer_callback_tag)
 
 
284
            gobject.source_remove(self._update_timer_callback_tag)
 
318
285
            self._update_timer_callback_tag = None
 
319
 
        for match in self.match_objects:
 
321
 
        self.match_objects = ()
 
322
286
        if self.delete_hook is not None:
 
323
287
            self.delete_hook(self)
 
324
 
        return super(MandosClientWidget, self).delete(**kwargs)
 
326
 
    def render(self, maxcolrow, focus=False):
 
 
289
    def render(self, (maxcol,), focus=False):
 
327
290
        """Render differently if we have focus.
 
328
291
        This overrides the method from urwid.FlowWidget"""
 
329
 
        return self.current_widget(focus).render(maxcolrow,
 
 
292
        return self.current_widget(focus).render((maxcol,),
 
332
 
    def keypress(self, maxcolrow, key):
 
 
295
    def keypress(self, (maxcol,), key):
 
334
297
        This overrides the method from urwid.FlowWidget"""
 
336
 
            self.proxy.Set(client_interface, "Enabled",
 
337
 
                           dbus.Boolean(True), ignore_reply = True,
 
338
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
340
 
            self.proxy.Set(client_interface, "Enabled", False,
 
342
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
 
299
            self.proxy.Enable(dbus_interface = client_interface)
 
 
301
            self.proxy.Disable(dbus_interface = client_interface)
 
344
303
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
 
345
 
                               dbus_interface = client_interface,
 
 
304
                               dbus_interface = client_interface)
 
348
306
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
 
349
 
                                  dbus_interface = client_interface,
 
351
 
        elif key == "R" or key == "_" or key == "ctrl k":
 
 
307
                                  dbus_interface = client_interface)
 
 
308
        elif key == u"r" or key == u"_" or key == u"ctrl k":
 
352
309
            self.server_proxy_object.RemoveClient(self.proxy
 
356
 
            self.proxy.Set(client_interface, "CheckerRunning",
 
357
 
                           dbus.Boolean(True), ignore_reply = True,
 
358
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
360
 
            self.proxy.Set(client_interface, "CheckerRunning",
 
361
 
                           dbus.Boolean(False), ignore_reply = True,
 
362
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
364
 
            self.proxy.CheckedOK(dbus_interface = client_interface,
 
 
312
            self.proxy.StartChecker(dbus_interface = client_interface)
 
 
314
            self.proxy.StopChecker(dbus_interface = client_interface)
 
 
316
            self.proxy.CheckedOK(dbus_interface = client_interface)
 
367
 
#         elif key == "p" or key == "=":
 
 
318
#         elif key == u"p" or key == "=":
 
368
319
#             self.proxy.pause()
 
369
 
#         elif key == "u" or key == ":":
 
 
320
#         elif key == u"u" or key == ":":
 
370
321
#             self.proxy.unpause()
 
 
322
#         elif key == u"RET":
 
 
325
#            self.proxy.Approve(True)
 
 
327
#            self.proxy.Approve(False)
 
376
 
    def properties_changed(self, interface, properties, invalidated):
 
377
 
        """Call self.update() if any properties changed.
 
 
331
    def property_changed(self, property=None, value=None,
 
 
333
        """Call self.update() if old value is not new value.
 
378
334
        This overrides the method from MandosClientPropertyCache"""
 
379
 
        old_values = { key: self.properties.get(key)
 
380
 
                       for key in properties.keys() }
 
381
 
        super(MandosClientWidget, self).properties_changed(
 
382
 
            interface, properties, invalidated)
 
383
 
        if any(old_values[key] != self.properties.get(key)
 
384
 
               for key in old_values):
 
 
335
        property_name = unicode(property)
 
 
336
        old_value = self.properties.get(property_name)
 
 
337
        super(MandosClientWidget, self).property_changed(
 
 
338
            property=property, value=value, *args, **kwargs)
 
 
339
        if self.properties.get(property_name) != old_value:
 
 
401
356
    """This is the entire user interface - the whole screen
 
402
357
    with boxes, lists of client widgets, etc.
 
404
 
    def __init__(self, max_log_length=1000, log_level=1):
 
 
359
    def __init__(self, max_log_length=1000):
 
405
360
        DBusGMainLoop(set_as_default=True)
 
407
362
        self.screen = urwid.curses_display.Screen()
 
409
364
        self.screen.register_palette((
 
411
 
                 "default", "default", None),
 
413
 
                 "bold", "default", "bold"),
 
415
 
                 "underline,blink", "default", "underline,blink"),
 
417
 
                 "standout", "default", "standout"),
 
418
 
                ("bold-underline-blink",
 
419
 
                 "bold,underline,blink", "default", "bold,underline,blink"),
 
421
 
                 "bold,standout", "default", "bold,standout"),
 
422
 
                ("underline-blink-standout",
 
423
 
                 "underline,blink,standout", "default",
 
424
 
                 "underline,blink,standout"),
 
425
 
                ("bold-underline-blink-standout",
 
426
 
                 "bold,underline,blink,standout", "default",
 
427
 
                 "bold,underline,blink,standout"),
 
 
366
                 u"default", u"default", None),
 
 
368
                 u"default", u"default", u"bold"),
 
 
370
                 u"default", u"default", u"underline"),
 
 
372
                 u"default", u"default", u"standout"),
 
 
373
                (u"bold-underline-blink",
 
 
374
                 u"default", u"default", (u"bold", u"underline")),
 
 
376
                 u"default", u"default", (u"bold", u"standout")),
 
 
377
                (u"underline-blink-standout",
 
 
378
                 u"default", u"default", (u"underline", u"standout")),
 
 
379
                (u"bold-underline-blink-standout",
 
 
380
                 u"default", u"default", (u"bold", u"underline",
 
430
384
        if urwid.supports_unicode():
 
431
 
            self.divider = "─" # \u2500
 
432
 
            #self.divider = "━" # \u2501
 
 
385
            self.divider = u"─" # \u2500
 
 
386
            #self.divider = u"━" # \u2501
 
434
 
            #self.divider = "-" # \u002d
 
435
 
            self.divider = "_" # \u005f
 
 
388
            #self.divider = u"-" # \u002d
 
 
389
            self.divider = u"_" # \u005f
 
437
391
        self.screen.start()
 
 
454
406
        # This keeps track of whether self.uilist currently has
 
455
407
        # self.logbox in it or not
 
456
408
        self.log_visible = True
 
457
 
        self.log_wrap = "any"
 
 
409
        self.log_wrap = u"any"
 
460
 
        self.log_message_raw(("bold",
 
461
 
                              "Mandos Monitor version " + version))
 
462
 
        self.log_message_raw(("bold",
 
 
412
        self.log_message_raw((u"bold",
 
 
413
                              u"Mandos Monitor version " + version))
 
 
414
        self.log_message_raw((u"bold",
 
465
417
        self.busname = domain + '.Mandos'
 
466
 
        self.main_loop = GLib.MainLoop()
 
 
418
        self.main_loop = gobject.MainLoop()
 
 
419
        self.bus = dbus.SystemBus()
 
 
420
        mandos_dbus_objc = self.bus.get_object(
 
 
421
            self.busname, u"/", follow_name_owner_changes=True)
 
 
422
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
 
426
            mandos_clients = (self.mandos_serv
 
 
427
                              .GetAllClientsWithProperties())
 
 
428
        except dbus.exceptions.DBusException:
 
 
429
            mandos_clients = dbus.Dictionary()
 
 
432
         .connect_to_signal(u"ClientRemoved",
 
 
433
                            self.find_and_remove_client,
 
 
434
                            dbus_interface=server_interface,
 
 
437
         .connect_to_signal(u"ClientAdded",
 
 
439
                            dbus_interface=server_interface,
 
 
442
         .connect_to_signal(u"ClientNotFound",
 
 
443
                            self.client_not_found,
 
 
444
                            dbus_interface=server_interface,
 
 
446
        for path, client in mandos_clients.iteritems():
 
 
447
            client_proxy_object = self.bus.get_object(self.busname,
 
 
449
            self.add_client(MandosClientWidget(server_proxy_object
 
 
452
                                               =client_proxy_object,
 
468
462
    def client_not_found(self, fingerprint, address):
 
469
 
        self.log_message("Client with address {} and fingerprint {}"
 
470
 
                         " could not be found"
 
471
 
                         .format(address, fingerprint))
 
 
463
        self.log_message((u"Client with address %s and fingerprint %s"
 
 
464
                          u" could not be found" % (address,
 
473
467
    def rebuild(self):
 
474
468
        """This rebuilds the User Interface.
 
475
469
        Call this when the widget layout needs to change"""
 
477
471
        #self.uilist.append(urwid.ListBox(self.clients))
 
478
 
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
 
 
472
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
 
480
473
                                       #header=urwid.Divider(),
 
483
 
                                       urwid.Divider(div_char=
 
 
475
                                       footer=urwid.Divider(div_char=self.divider)))
 
485
476
        if self.log_visible:
 
486
477
            self.uilist.append(self.logbox)
 
487
479
        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:
 
 
481
    def log_message(self, message):
 
493
482
        timestamp = datetime.datetime.now().isoformat()
 
494
 
        self.log_message_raw("{}: {}".format(timestamp, message),
 
 
483
        self.log_message_raw(timestamp + u": " + message)
 
497
 
    def log_message_raw(self, markup, level=1):
 
 
485
    def log_message_raw(self, markup):
 
498
486
        """Add a log message to the log buffer."""
 
499
 
        if level < self.log_level:
 
501
487
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
 
502
488
        if (self.max_log_length
 
503
489
            and len(self.log) > self.max_log_length):
 
504
490
            del self.log[0:len(self.log)-self.max_log_length-1]
 
505
491
        self.logbox.set_focus(len(self.logbox.body.contents),
 
 
492
                              coming_from=u"above")
 
509
495
    def toggle_log_display(self):
 
510
496
        """Toggle visibility of the log buffer."""
 
511
497
        self.log_visible = not self.log_visible
 
513
 
        self.log_message("Log visibility changed to: {}"
 
514
 
                         .format(self.log_visible), level=0)
 
 
499
        self.log_message(u"Log visibility changed to: "
 
 
500
                         + unicode(self.log_visible))
 
516
502
    def change_log_display(self):
 
517
503
        """Change type of log display.
 
518
504
        Currently, this toggles wrapping of text lines."""
 
519
 
        if self.log_wrap == "clip":
 
520
 
            self.log_wrap = "any"
 
 
505
        if self.log_wrap == u"clip":
 
 
506
            self.log_wrap = u"any"
 
522
 
            self.log_wrap = "clip"
 
 
508
            self.log_wrap = u"clip"
 
523
509
        for textwidget in self.log:
 
524
510
            textwidget.set_wrap_mode(self.log_wrap)
 
525
 
        self.log_message("Wrap mode: {}".format(self.log_wrap),
 
 
511
        self.log_message(u"Wrap mode: " + self.log_wrap)
 
528
 
    def find_and_remove_client(self, path, interfaces):
 
529
 
        """Find a client by its object path and remove it.
 
 
513
    def find_and_remove_client(self, path, name):
 
 
514
        """Find an client from its object path and remove it.
 
531
 
        This is connected to the InterfacesRemoved signal from the
 
 
516
        This is connected to the ClientRemoved signal from the
 
532
517
        Mandos server object."""
 
533
 
        if client_interface not in interfaces:
 
534
 
            # Not a Mandos client object; ignore
 
537
519
            client = self.clients_dict[path]
 
540
 
            self.log_message("Unknown client {!r} removed"
 
 
523
        self.remove_client(client, path)
 
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
 
 
525
    def add_new_client(self, path):
 
554
526
        client_proxy_object = self.bus.get_object(self.busname, path)
 
555
527
        self.add_client(MandosClientWidget(server_proxy_object
 
556
528
                                           =self.mandos_serv,
 
 
591
565
        """Start the main loop and exit when it's done."""
 
592
 
        self.bus = dbus.SystemBus()
 
593
 
        mandos_dbus_objc = self.bus.get_object(
 
594
 
            self.busname, "/", follow_name_owner_changes=True)
 
595
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
599
 
            mandos_clients = (self.mandos_serv
 
600
 
                              .GetAllClientsWithProperties())
 
601
 
            if not mandos_clients:
 
602
 
                self.log_message_raw(("bold", "Note: Server has no clients."))
 
603
 
        except dbus.exceptions.DBusException:
 
604
 
            self.log_message_raw(("bold", "Note: No Mandos server running."))
 
605
 
            mandos_clients = dbus.Dictionary()
 
608
 
         .connect_to_signal("InterfacesRemoved",
 
609
 
                            self.find_and_remove_client,
 
611
 
                            = dbus.OBJECT_MANAGER_IFACE,
 
614
 
         .connect_to_signal("InterfacesAdded",
 
617
 
                            = dbus.OBJECT_MANAGER_IFACE,
 
620
 
         .connect_to_signal("ClientNotFound",
 
621
 
                            self.client_not_found,
 
622
 
                            dbus_interface=server_interface,
 
624
 
        for path, client in mandos_clients.items():
 
625
 
            client_proxy_object = self.bus.get_object(self.busname,
 
627
 
            self.add_client(MandosClientWidget(server_proxy_object
 
630
 
                                               =client_proxy_object,
 
641
 
        self._input_callback_tag = (GLib.io_add_watch
 
 
567
        self._input_callback_tag = (gobject.io_add_watch
 
642
568
                                    (sys.stdin.fileno(),
 
644
570
                                     self.process_input))
 
645
571
        self.main_loop.run()
 
646
572
        # Main loop has finished, we should close everything now
 
647
 
        GLib.source_remove(self._input_callback_tag)
 
 
573
        gobject.source_remove(self._input_callback_tag)
 
648
574
        self.screen.stop()
 
 
668
594
            except KeyError:    # :-)
 
671
 
            if key == "q" or key == "Q":
 
 
597
            if key == u"q" or key == u"Q":
 
674
 
            elif key == "window resize":
 
 
600
            elif key == u"window resize":
 
675
601
                self.size = self.screen.get_cols_rows()
 
677
 
            elif key == "ctrl l":
 
 
603
            elif key == u"\f":  # Ctrl-L
 
680
 
            elif key == "l" or key == "D":
 
 
605
            elif key == u"l" or key == u"D":
 
681
606
                self.toggle_log_display()
 
683
 
            elif key == "w" or key == "i":
 
 
608
            elif key == u"w" or key == u"i":
 
684
609
                self.change_log_display()
 
686
 
            elif key == "?" or key == "f1" or key == "esc":
 
 
611
            elif key == u"?" or key == u"f1" or key == u"esc":
 
687
612
                if not self.log_visible:
 
688
613
                    self.log_visible = True
 
690
 
                self.log_message_raw(("bold",
 
694
 
                                            "l: Log window toggle",
 
695
 
                                            "TAB: Switch window",
 
696
 
                                            "w: Wrap (log lines)",
 
697
 
                                            "v: Toggle verbose log",
 
699
 
                self.log_message_raw(("bold",
 
705
 
                                             "s: Start new checker",
 
 
615
                self.log_message_raw((u"bold",
 
 
619
                                            u"l: Log window toggle",
 
 
620
                                            u"TAB: Switch window",
 
 
622
                self.log_message_raw((u"bold",
 
 
628
                                             u"s: Start new checker",
 
712
635
                if self.topwidget.get_focus() is self.logbox:
 
713
636
                    self.topwidget.set_focus(0)
 
715
638
                    self.topwidget.set_focus(self.logbox)
 
718
 
                if self.log_level == 0:
 
720
 
                    self.log_message("Verbose mode: Off")
 
723
 
                    self.log_message("Verbose mode: On")
 
724
 
            #elif (key == "end" or key == "meta >" or key == "G"
 
 
640
            #elif (key == u"end" or key == u"meta >" or key == u"G"
 
726
642
            #    pass            # xxx end-of-buffer
 
727
 
            #elif (key == "home" or key == "meta <" or key == "g"
 
 
643
            #elif (key == u"home" or key == u"meta <" or key == u"g"
 
729
645
            #    pass            # xxx beginning-of-buffer
 
730
 
            #elif key == "ctrl e" or key == "$":
 
 
646
            #elif key == u"ctrl e" or key == u"$":
 
731
647
            #    pass            # xxx move-end-of-line
 
732
 
            #elif key == "ctrl a" or key == "^":
 
 
648
            #elif key == u"ctrl a" or key == u"^":
 
733
649
            #    pass            # xxx move-beginning-of-line
 
734
 
            #elif key == "ctrl b" or key == "meta (" or key == "h":
 
 
650
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
 
735
651
            #    pass            # xxx left
 
736
 
            #elif key == "ctrl f" or key == "meta )" or key == "l":
 
 
652
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
 
737
653
            #    pass            # xxx right
 
739
655
            #    pass            # scroll up log
 
741
657
            #    pass            # scroll down log
 
742
658
            elif self.topwidget.selectable():
 
743
659
                self.topwidget.keypress(self.size, key)