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# -*- mode: python; coding: utf-8 -*-
 
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# 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
 
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# (at your option) any later version.
 
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#     This program is distributed in the hope that it will be useful,
 
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#     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
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from dbus.mainloop.glib import DBusGMainLoop
 
42
 
from gi.repository import GLib
 
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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
 
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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
 
 
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urwid.curses_display.curses.has_colors = lambda : False
 
 
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# 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)
 
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50
    second, fraction = divmod(float(second), 1)
 
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51
    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):
 
 
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    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,
 
 
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        self.properties.update(
 
 
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            self.proxy.GetAll(client_interface,
 
 
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                              dbus_interface = dbus.PROPERTIES_IFACE))
 
 
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        #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()
 
 
147
        if self.last_checker_failed:
 
 
148
            self._update_timer_callback_tag = (gobject.timeout_add
 
174
150
                                                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
152
    def checker_completed(self, exitstatus, condition, command):
 
180
153
        if exitstatus == 0:
 
181
 
            self.logger('Checker for client {} (command "{}")'
 
182
 
                        ' 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
 
187
169
        if os.WIFEXITED(condition):
 
188
 
            self.logger('Checker for client {} (command "{}") failed'
 
190
 
                        .format(self.properties["Name"], command,
 
191
 
                                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)))
 
192
174
        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)))
 
 
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'
 
199
188
    def checker_started(self, command):
 
200
 
        """Server signals that a checker started."""
 
201
 
        self.logger('Client {} started checker "{}"'
 
202
 
                    .format(self.properties["Name"],
 
 
189
        #self.logger(u'Client %s started checker "%s"'
 
 
190
        #            % (self.properties[u"Name"], unicode(command)))
 
205
193
    def got_secret(self):
 
206
 
        self.logger('Client {} received its secret'
 
207
 
                    .format(self.properties["Name"]))
 
 
194
        self.last_checker_failed = False
 
 
195
        self.logger(u'Client %s received its secret'
 
 
196
                    % self.properties[u"Name"])
 
209
198
    def need_approval(self, timeout, default):
 
211
 
            message = 'Client {} needs approval within {} seconds'
 
 
200
            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"],
 
 
202
            message = u'Client %s will get its secret in %s seconds'
 
 
204
                    % (self.properties[u"Name"], timeout/1000))
 
217
206
    def rejected(self, reason):
 
218
 
        self.logger('Client {} was rejected; reason: {}'
 
219
 
                    .format(self.properties["Name"], reason))
 
 
207
        self.logger(u'Client %s was rejected; reason: %s'
 
 
208
                    % (self.properties[u"Name"], reason))
 
221
210
    def selectable(self):
 
222
211
        """Make this a "selectable" widget.
 
223
212
        This overrides the method from urwid.FlowWidget."""
 
226
 
    def rows(self, maxcolrow, focus=False):
 
 
215
    def rows(self, (maxcol,), focus=False):
 
227
216
        """How many rows this widget will occupy might depend on
 
228
217
        whether we have focus or not.
 
229
218
        This overrides the method from urwid.FlowWidget"""
 
230
 
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
 
219
        return self.current_widget(focus).rows((maxcol,), focus=focus)
 
232
221
    def current_widget(self, focus=False):
 
233
222
        if focus or self.opened:
 
 
237
226
    def update(self):
 
238
227
        "Called when what is visible on the screen should be updated."
 
239
228
        # 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",
 
 
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",
 
248
237
        # Rebuild focus and non-focus widgets using current properties
 
250
239
        # 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"]:
 
 
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:
 
256
250
            timeout = datetime.timedelta(milliseconds
 
257
251
                                         = self.properties
 
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)
 
 
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])
 
289
 
            self.using_timer(False)
 
290
 
        self._text = "{}{}".format(base, message)
 
 
263
        self._text = "%s%s" % (base, message)
 
292
265
        if not urwid.supports_unicode():
 
293
266
            self._text = self._text.encode("ascii", "replace")
 
294
 
        textlist = [("normal", self._text)]
 
 
267
        textlist = [(u"normal", self._text)]
 
295
268
        self._text_widget.set_text(textlist)
 
296
269
        self._focus_text_widget.set_text([(with_standout[text[0]],
 
 
306
279
            self.update_hook()
 
308
281
    def update_timer(self):
 
309
 
        """called by GLib. Will indefinitely loop until
 
310
 
        GLib.source_remove() on tag is called
 
313
284
        return True             # Keep calling this
 
315
 
    def delete(self, **kwargs):
 
316
287
        if self._update_timer_callback_tag is not None:
 
317
 
            GLib.source_remove(self._update_timer_callback_tag)
 
 
288
            gobject.source_remove(self._update_timer_callback_tag)
 
318
289
            self._update_timer_callback_tag = None
 
319
 
        for match in self.match_objects:
 
321
 
        self.match_objects = ()
 
322
290
        if self.delete_hook is not None:
 
323
291
            self.delete_hook(self)
 
324
 
        return super(MandosClientWidget, self).delete(**kwargs)
 
326
 
    def render(self, maxcolrow, focus=False):
 
 
293
    def render(self, (maxcol,), focus=False):
 
327
294
        """Render differently if we have focus.
 
328
295
        This overrides the method from urwid.FlowWidget"""
 
329
 
        return self.current_widget(focus).render(maxcolrow,
 
 
296
        return self.current_widget(focus).render((maxcol,),
 
332
 
    def keypress(self, maxcolrow, key):
 
 
299
    def keypress(self, (maxcol,), key):
 
334
301
        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)
 
 
303
            self.proxy.Enable(dbus_interface = client_interface)
 
 
305
            self.proxy.Disable(dbus_interface = client_interface)
 
344
307
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
 
345
 
                               dbus_interface = client_interface,
 
 
308
                               dbus_interface = client_interface)
 
348
310
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
 
349
 
                                  dbus_interface = client_interface,
 
351
 
        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":
 
352
313
            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,
 
 
316
            self.proxy.StartChecker(dbus_interface = client_interface)
 
 
318
            self.proxy.StopChecker(dbus_interface = client_interface)
 
 
320
            self.proxy.CheckedOK(dbus_interface = client_interface)
 
367
 
#         elif key == "p" or key == "=":
 
 
322
#         elif key == u"p" or key == "=":
 
368
323
#             self.proxy.pause()
 
369
 
#         elif key == "u" or key == ":":
 
 
324
#         elif key == u"u" or key == ":":
 
370
325
#             self.proxy.unpause()
 
 
326
#         elif key == u"RET":
 
 
329
#            self.proxy.Approve(True)
 
 
331
#            self.proxy.Approve(False)
 
376
 
    def properties_changed(self, interface, properties, invalidated):
 
377
 
        """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.
 
378
338
        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):
 
 
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:
 
 
401
361
    """This is the entire user interface - the whole screen
 
402
362
    with boxes, lists of client widgets, etc.
 
404
 
    def __init__(self, max_log_length=1000, log_level=1):
 
 
364
    def __init__(self, max_log_length=1000):
 
405
365
        DBusGMainLoop(set_as_default=True)
 
407
367
        self.screen = urwid.curses_display.Screen()
 
409
369
        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"),
 
 
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",
 
430
389
        if urwid.supports_unicode():
 
431
 
            self.divider = "─" # \u2500
 
432
 
            #self.divider = "━" # \u2501
 
 
390
            self.divider = u"─" # \u2500
 
 
391
            #self.divider = u"━" # \u2501
 
434
 
            #self.divider = "-" # \u002d
 
435
 
            self.divider = "_" # \u005f
 
 
393
            #self.divider = u"-" # \u002d
 
 
394
            self.divider = u"_" # \u005f
 
437
396
        self.screen.start()
 
 
454
411
        # This keeps track of whether self.uilist currently has
 
455
412
        # self.logbox in it or not
 
456
413
        self.log_visible = True
 
457
 
        self.log_wrap = "any"
 
 
414
        self.log_wrap = u"any"
 
460
 
        self.log_message_raw(("bold",
 
461
 
                              "Mandos Monitor version " + version))
 
462
 
        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",
 
465
422
        self.busname = domain + '.Mandos'
 
466
 
        self.main_loop = GLib.MainLoop()
 
 
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,
 
468
467
    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))
 
 
468
        self.log_message((u"Client with address %s and fingerprint %s"
 
 
469
                          u" could not be found" % (address,
 
473
472
    def rebuild(self):
 
474
473
        """This rebuilds the User Interface.
 
 
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),
 
 
491
        self.log_message_raw(timestamp + u": " + message)
 
497
 
    def log_message_raw(self, markup, level=1):
 
 
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
496
        if (self.max_log_length
 
503
497
            and len(self.log) > self.max_log_length):
 
504
498
            del self.log[0:len(self.log)-self.max_log_length-1]
 
505
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),
 
 
519
        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.
 
 
521
    def find_and_remove_client(self, path, name):
 
 
522
        """Find an client from its object path and remove it.
 
531
 
        This is connected to the InterfacesRemoved signal from the
 
 
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"
 
 
531
        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
 
 
533
    def add_new_client(self, path):
 
554
534
        client_proxy_object = self.bus.get_object(self.busname, path)
 
555
535
        self.add_client(MandosClientWidget(server_proxy_object
 
556
536
                                           =self.mandos_serv,
 
 
591
573
        """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
 
 
575
        self._input_callback_tag = (gobject.io_add_watch
 
642
576
                                    (sys.stdin.fileno(),
 
644
578
                                     self.process_input))
 
645
579
        self.main_loop.run()
 
646
580
        # Main loop has finished, we should close everything now
 
647
 
        GLib.source_remove(self._input_callback_tag)
 
 
581
        gobject.source_remove(self._input_callback_tag)
 
648
582
        self.screen.stop()
 
 
668
602
            except KeyError:    # :-)
 
671
 
            if key == "q" or key == "Q":
 
 
605
            if key == u"q" or key == u"Q":
 
674
 
            elif key == "window resize":
 
 
608
            elif key == u"window resize":
 
675
609
                self.size = self.screen.get_cols_rows()
 
677
 
            elif key == "ctrl l":
 
 
611
            elif key == u"\f":  # Ctrl-L
 
680
 
            elif key == "l" or key == "D":
 
 
613
            elif key == u"l" or key == u"D":
 
681
614
                self.toggle_log_display()
 
683
 
            elif key == "w" or key == "i":
 
 
616
            elif key == u"w" or key == u"i":
 
684
617
                self.change_log_display()
 
686
 
            elif key == "?" or key == "f1" or key == "esc":
 
 
619
            elif key == u"?" or key == u"f1" or key == u"esc":
 
687
620
                if not self.log_visible:
 
688
621
                    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",
 
 
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",
 
712
643
                if self.topwidget.get_focus() is self.logbox:
 
713
644
                    self.topwidget.set_focus(0)
 
715
646
                    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"
 
 
648
            #elif (key == u"end" or key == u"meta >" or key == u"G"
 
726
650
            #    pass            # xxx end-of-buffer
 
727
 
            #elif (key == "home" or key == "meta <" or key == "g"
 
 
651
            #elif (key == u"home" or key == u"meta <" or key == u"g"
 
729
653
            #    pass            # xxx beginning-of-buffer
 
730
 
            #elif key == "ctrl e" or key == "$":
 
 
654
            #elif key == u"ctrl e" or key == u"$":
 
731
655
            #    pass            # xxx move-end-of-line
 
732
 
            #elif key == "ctrl a" or key == "^":
 
 
656
            #elif key == u"ctrl a" or key == u"^":
 
733
657
            #    pass            # xxx move-beginning-of-line
 
734
 
            #elif key == "ctrl b" or key == "meta (" or key == "h":
 
 
658
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
 
735
659
            #    pass            # xxx left
 
736
 
            #elif key == "ctrl f" or key == "meta )" or key == "l":
 
 
660
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
 
737
661
            #    pass            # xxx right
 
739
663
            #    pass            # scroll up log
 
741
665
            #    pass            # scroll down log
 
742
666
            elif self.topwidget.selectable():
 
743
667
                self.topwidget.keypress(self.size, key)