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#!/usr/bin/python3 -bbI
 
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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 © 2009-2019 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
 
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# under the terms of the GNU General Public License as published by
 
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# 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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#     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.
 
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# You should have received a copy of the GNU General Public License
 
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# along with Mandos.  If not, see <http://www.gnu.org/licenses/>.
 
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# Contact the authors at <mandos@recompile.se>.
 
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from __future__ import (division, absolute_import, print_function,
 
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    from future_builtins import *
 
 
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from __future__ import division, absolute_import, with_statement
 
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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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if sys.version_info.major == 2:
 
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# Show warnings by default
 
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if not sys.warnoptions:
 
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    warnings.simplefilter("default")
 
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log = logging.getLogger(os.path.basename(sys.argv[0]))
 
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logging.basicConfig(level="NOTSET", # Show all messages
 
60
 
                    format="%(message)s") # Show basic log messages
 
62
 
logging.captureWarnings(True)   # Show warnings via the logging system
 
64
 
locale.setlocale(locale.LC_ALL, "")
 
66
 
logging.getLogger("dbus.proxies").setLevel(logging.CRITICAL)
 
 
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locale.setlocale(locale.LC_ALL, u'')
 
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# Some useful constants
 
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domain = "se.recompile"
 
70
 
server_interface = domain + ".Mandos"
 
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client_interface = domain + ".Mandos.Client"
 
75
 
    dbus.OBJECT_MANAGER_IFACE
 
76
 
except AttributeError:
 
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    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
 
80
 
def isoformat_to_datetime(iso):
 
81
 
    "Parse an ISO 8601 date string to a datetime.datetime()"
 
84
 
    d, t = iso.split("T", 1)
 
85
 
    year, month, day = d.split("-", 2)
 
86
 
    hour, minute, second = t.split(":", 2)
 
87
 
    second, fraction = divmod(float(second), 1)
 
88
 
    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:
 
 
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domain = 'se.bsnet.fukt'
 
 
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server_interface = domain + '.Mandos'
 
 
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client_interface = domain + '.Mandos.Client'
 
 
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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
 
 
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# use for underline on its own, we make underline also always blink.
 
 
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urwid.curses_display.curses.A_UNDERLINE |= (
 
 
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    urwid.curses_display.curses.A_BLINK)
 
 
40
class MandosClientPropertyCache(object):
 
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    """This wraps a Mandos Client D-Bus proxy object, caches the
 
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    properties and calls a hook function when any of them are
 
102
 
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
103
 
        self.proxy = proxy_object  # Mandos Client proxy object
 
104
 
        self.properties = dict() if properties is None else properties
 
105
 
        self.property_changed_match = (
 
106
 
            self.proxy.connect_to_signal("PropertiesChanged",
 
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                                         self.properties_changed,
 
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                                         dbus.PROPERTIES_IFACE,
 
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        if properties is None:
 
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            self.properties.update(self.proxy.GetAll(
 
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                dbus_interface=dbus.PROPERTIES_IFACE))
 
116
 
        super(MandosClientPropertyCache, self).__init__(**kwargs)
 
118
 
    def properties_changed(self, interface, properties, invalidated):
 
119
 
        """This is called whenever we get a PropertiesChanged signal
 
120
 
        It updates the changed properties in the "properties" dict.
 
 
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    def __init__(self, proxy_object=None, *args, **kwargs):
 
 
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        self.proxy = proxy_object # Mandos Client proxy object
 
 
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        self.properties = dict()
 
 
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        self.proxy.connect_to_signal(u"PropertyChanged",
 
 
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                                     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))
 
 
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.
 
122
64
        # Update properties dict with new value
 
123
 
        if interface == client_interface:
 
124
 
            self.properties.update(properties)
 
127
 
        self.property_changed_match.remove()
 
 
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        self.properties[property] = value
 
130
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class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
 
131
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    """A Mandos Client which is visible on the screen.
 
134
72
    def __init__(self, server_proxy_object=None, update_hook=None,
 
135
 
                 delete_hook=None, **kwargs):
 
 
73
                 delete_hook=None, logger=None, *args, **kwargs):
 
136
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        # Called on update
 
137
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        self.update_hook = update_hook
 
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        # Called on delete
 
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        self.delete_hook = delete_hook
 
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        # Mandos Server proxy object
 
141
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        self.server_proxy_object = server_proxy_object
 
143
 
        self._update_timer_callback_tag = None
 
145
83
        # The widget shown normally
 
146
 
        self._text_widget = urwid.Text("")
 
 
84
        self._text_widget = urwid.Text(u"")
 
147
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        # The widget shown when we have focus
 
148
 
        self._focus_text_widget = urwid.Text("")
 
149
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
 
86
        self._focus_text_widget = urwid.Text(u"")
 
 
87
        super(MandosClientWidget, self).__init__(
 
 
88
            update_hook=update_hook, delete_hook=delete_hook,
 
151
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        self.opened = False
 
153
 
        self.match_objects = (
 
154
 
            self.proxy.connect_to_signal("CheckerCompleted",
 
155
 
                                         self.checker_completed,
 
158
 
            self.proxy.connect_to_signal("CheckerStarted",
 
159
 
                                         self.checker_started,
 
162
 
            self.proxy.connect_to_signal("GotSecret",
 
166
 
            self.proxy.connect_to_signal("NeedApproval",
 
170
 
            self.proxy.connect_to_signal("Rejected",
 
174
 
        log.debug("Created client %s", self.properties["Name"])
 
176
 
    def using_timer(self, flag):
 
177
 
        """Call this method with True or False when timer should be
 
178
 
        activated or deactivated.
 
180
 
        if flag and self._update_timer_callback_tag is None:
 
181
 
            # Will update the shown timer value every second
 
182
 
            self._update_timer_callback_tag = (
 
183
 
                GLib.timeout_add(1000,
 
184
 
                                 glib_safely(self.update_timer)))
 
185
 
        elif not (flag or self._update_timer_callback_tag is None):
 
186
 
            GLib.source_remove(self._update_timer_callback_tag)
 
187
 
            self._update_timer_callback_tag = None
 
 
92
        self.proxy.connect_to_signal(u"CheckerCompleted",
 
 
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                                     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",
 
189
109
    def checker_completed(self, exitstatus, condition, command):
 
190
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        if exitstatus == 0:
 
191
 
            log.debug('Checker for client %s (command "%s")'
 
192
 
                      " succeeded", self.properties["Name"], command)
 
 
111
            self.logger(u'Checker for client %s (command "%s")'
 
 
113
                        % (self.properties[u"name"], command))
 
196
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        if os.WIFEXITED(condition):
 
197
 
            log.info('Checker for client %s (command "%s") failed'
 
198
 
                     " with exit code %d", self.properties["Name"],
 
199
 
                     command, os.WEXITSTATUS(condition))
 
200
 
        elif os.WIFSIGNALED(condition):
 
201
 
            log.info('Checker for client %s (command "%s") was'
 
202
 
                     " killed by signal %d", self.properties["Name"],
 
203
 
                     command, os.WTERMSIG(condition))
 
 
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            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')
 
206
133
    def checker_started(self, command):
 
207
 
        """Server signals that a checker started."""
 
208
 
        log.debug('Client %s started checker "%s"',
 
209
 
                  self.properties["Name"], command)
 
 
134
        self.logger(u'Client %s started checker "%s"'
 
 
135
                    % (self.properties[u"name"], unicode(command)))
 
211
137
    def got_secret(self):
 
212
 
        log.info("Client %s received its secret",
 
213
 
                 self.properties["Name"])
 
215
 
    def need_approval(self, timeout, default):
 
217
 
            message = "Client %s needs approval within %f seconds"
 
219
 
            message = "Client %s will get its secret in %f seconds"
 
220
 
        log.info(message, self.properties["Name"], timeout/1000)
 
222
 
    def rejected(self, reason):
 
223
 
        log.info("Client %s was rejected; reason: %s",
 
224
 
                 self.properties["Name"], reason)
 
 
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"])
 
226
145
    def selectable(self):
 
227
146
        """Make this a "selectable" widget.
 
228
147
        This overrides the method from urwid.FlowWidget."""
 
231
 
    def rows(self, maxcolrow, focus=False):
 
 
150
    def rows(self, (maxcol,), focus=False):
 
232
151
        """How many rows this widget will occupy might depend on
 
233
152
        whether we have focus or not.
 
234
153
        This overrides the method from urwid.FlowWidget"""
 
235
 
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
 
154
        return self.current_widget(focus).rows((maxcol,), focus=focus)
 
237
156
    def current_widget(self, focus=False):
 
238
157
        if focus or self.opened:
 
239
158
            return self._focus_widget
 
240
159
        return self._widget
 
242
161
    def update(self):
 
243
162
        "Called when what is visible on the screen should be updated."
 
244
163
        # How to add standout mode to a style
 
245
 
        with_standout = {"normal": "standout",
 
246
 
                         "bold": "bold-standout",
 
248
 
                         "underline-blink-standout",
 
249
 
                         "bold-underline-blink":
 
250
 
                         "bold-underline-blink-standout",
 
 
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",
 
253
172
        # Rebuild focus and non-focus widgets using current properties
 
255
 
        # Base part of a client. Name!
 
256
 
        base = "{name}: ".format(name=self.properties["Name"])
 
257
 
        if not self.properties["Enabled"]:
 
259
 
            self.using_timer(False)
 
260
 
        elif self.properties["ApprovalPending"]:
 
261
 
            timeout = datetime.timedelta(
 
262
 
                milliseconds=self.properties["ApprovalDelay"])
 
263
 
            last_approval_request = isoformat_to_datetime(
 
264
 
                self.properties["LastApprovalRequest"])
 
265
 
            if last_approval_request is not None:
 
266
 
                timer = max(timeout - (datetime.datetime.utcnow()
 
267
 
                                       - last_approval_request),
 
268
 
                            datetime.timedelta())
 
270
 
                timer = datetime.timedelta()
 
271
 
            if self.properties["ApprovedByDefault"]:
 
272
 
                message = "Approval in {}. (d)eny?"
 
274
 
                message = "Denial in {}. (a)pprove?"
 
275
 
            message = message.format(str(timer).rsplit(".", 1)[0])
 
276
 
            self.using_timer(True)
 
277
 
        elif self.properties["LastCheckerStatus"] != 0:
 
278
 
            # When checker has failed, show timer until client expires
 
279
 
            expires = self.properties["Expires"]
 
281
 
                timer = datetime.timedelta(0)
 
283
 
                expires = (datetime.datetime.strptime
 
284
 
                           (expires, "%Y-%m-%dT%H:%M:%S.%f"))
 
285
 
                timer = max(expires - datetime.datetime.utcnow(),
 
286
 
                            datetime.timedelta())
 
287
 
            message = ("A checker has failed! Time until client"
 
289
 
                       .format(str(timer).rsplit(".", 1)[0]))
 
290
 
            self.using_timer(True)
 
293
 
            self.using_timer(False)
 
294
 
        self._text = "{}{}".format(base, message)
 
 
173
        self._text = (u'%(name)s: %(enabled)s'
 
 
174
                      % { u"name": self.properties[u"name"],
 
 
177
                               if self.properties[u"enabled"]
 
296
179
        if not urwid.supports_unicode():
 
297
180
            self._text = self._text.encode("ascii", "replace")
 
298
 
        textlist = [("normal", self._text)]
 
 
181
        textlist = [(u"normal", self._text)]
 
299
182
        self._text_widget.set_text(textlist)
 
300
183
        self._focus_text_widget.set_text([(with_standout[text[0]],
 
 
308
191
        # Run update hook, if any
 
309
192
        if self.update_hook is not None:
 
310
193
            self.update_hook()
 
312
 
    def update_timer(self):
 
313
 
        """called by GLib. Will indefinitely loop until
 
314
 
        GLib.source_remove() on tag is called
 
317
 
        return True             # Keep calling this
 
319
 
    def delete(self, **kwargs):
 
320
 
        if self._update_timer_callback_tag is not None:
 
321
 
            GLib.source_remove(self._update_timer_callback_tag)
 
322
 
            self._update_timer_callback_tag = None
 
323
 
        for match in self.match_objects:
 
325
 
        self.match_objects = ()
 
326
196
        if self.delete_hook is not None:
 
327
197
            self.delete_hook(self)
 
328
 
        return super(MandosClientWidget, self).delete(**kwargs)
 
330
 
    def render(self, maxcolrow, focus=False):
 
 
199
    def render(self, (maxcol,), focus=False):
 
331
200
        """Render differently if we have focus.
 
332
201
        This overrides the method from urwid.FlowWidget"""
 
333
 
        return self.current_widget(focus).render(maxcolrow,
 
 
202
        return self.current_widget(focus).render((maxcol,),
 
336
 
    def keypress(self, maxcolrow, key):
 
 
205
    def keypress(self, (maxcol,), key):
 
338
207
        This overrides the method from urwid.FlowWidget"""
 
340
 
            self.proxy.Set(client_interface, "Enabled",
 
341
 
                           dbus.Boolean(True), ignore_reply=True,
 
342
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
344
 
            self.proxy.Set(client_interface, "Enabled", False,
 
346
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
348
 
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
 
349
 
                               dbus_interface=client_interface,
 
352
 
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
 
353
 
                               dbus_interface=client_interface,
 
355
 
        elif key == "R" or key == "_" or key == "ctrl k":
 
 
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":
 
356
213
            self.server_proxy_object.RemoveClient(self.proxy
 
360
 
            self.proxy.Set(client_interface, "CheckerRunning",
 
361
 
                           dbus.Boolean(True), ignore_reply=True,
 
362
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
364
 
            self.proxy.Set(client_interface, "CheckerRunning",
 
365
 
                           dbus.Boolean(False), ignore_reply=True,
 
366
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
368
 
            self.proxy.CheckedOK(dbus_interface=client_interface,
 
 
216
            self.proxy.StartChecker()
 
 
218
            self.proxy.StopChecker()
 
 
220
            self.proxy.CheckedOK()
 
371
 
#         elif key == "p" or key == "=":
 
 
222
#         elif key == u"p" or key == "=":
 
372
223
#             self.proxy.pause()
 
373
 
#         elif key == "u" or key == ":":
 
 
224
#         elif key == u"u" or key == ":":
 
374
225
#             self.proxy.unpause()
 
 
226
#         elif key == u"RET":
 
380
 
    def properties_changed(self, interface, properties, invalidated):
 
381
 
        """Call self.update() if any properties changed.
 
 
231
    def property_changed(self, property=None, value=None,
 
 
233
        """Call self.update() if old value is not new value.
 
382
234
        This overrides the method from MandosClientPropertyCache"""
 
383
 
        old_values = {key: self.properties.get(key)
 
384
 
                      for key in properties.keys()}
 
385
 
        super(MandosClientWidget, self).properties_changed(
 
386
 
            interface, properties, invalidated)
 
387
 
        if any(old_values[key] != self.properties.get(key)
 
388
 
               for key in old_values):
 
 
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:
 
392
 
def glib_safely(func, retval=True):
 
393
 
    def safe_func(*args, **kwargs):
 
395
 
            return func(*args, **kwargs)
 
402
243
class ConstrainedListBox(urwid.ListBox):
 
403
244
    """Like a normal urwid.ListBox, but will consume all "up" or
 
404
245
    "down" key presses, thus not allowing any containing widgets to
 
405
246
    use them as an excuse to shift focus away from this widget.
 
407
 
    def keypress(self, *args, **kwargs):
 
408
 
        ret = (super(ConstrainedListBox, self)
 
409
 
               .keypress(*args, **kwargs))
 
410
 
        if ret in ("up", "down"):
 
 
248
    def keypress(self, (maxcol, maxrow), key):
 
 
249
        ret = super(ConstrainedListBox, self).keypress((maxcol, maxrow), key)
 
 
250
        if ret in (u"up", u"down"):
 
 
255
class UserInterface(object):
 
416
256
    """This is the entire user interface - the whole screen
 
417
257
    with boxes, lists of client widgets, etc.
 
419
259
    def __init__(self, max_log_length=1000):
 
420
260
        DBusGMainLoop(set_as_default=True)
 
422
262
        self.screen = urwid.curses_display.Screen()
 
424
264
        self.screen.register_palette((
 
426
 
                 "default", "default", None),
 
428
 
                 "bold", "default", "bold"),
 
430
 
                 "underline,blink", "default", "underline,blink"),
 
432
 
                 "standout", "default", "standout"),
 
433
 
                ("bold-underline-blink",
 
434
 
                 "bold,underline,blink", "default",
 
435
 
                 "bold,underline,blink"),
 
437
 
                 "bold,standout", "default", "bold,standout"),
 
438
 
                ("underline-blink-standout",
 
439
 
                 "underline,blink,standout", "default",
 
440
 
                 "underline,blink,standout"),
 
441
 
                ("bold-underline-blink-standout",
 
442
 
                 "bold,underline,blink,standout", "default",
 
443
 
                 "bold,underline,blink,standout"),
 
 
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",
 
446
284
        if urwid.supports_unicode():
 
447
 
            self.divider = "─"  # \u2500
 
 
285
            self.divider = u"─" # \u2500
 
 
286
            #self.divider = u"━" # \u2501
 
449
 
            self.divider = "_"  # \u005f
 
 
288
            #self.divider = u"-" # \u002d
 
 
289
            self.divider = u"_" # \u005f
 
451
291
        self.screen.start()
 
453
293
        self.size = self.screen.get_cols_rows()
 
455
295
        self.clients = urwid.SimpleListWalker([])
 
456
296
        self.clients_dict = {}
 
458
298
        # We will add Text widgets to this list
 
459
 
        self.log = urwid.SimpleListWalker([])
 
460
300
        self.max_log_length = max_log_length
 
462
302
        # We keep a reference to the log widget so we can remove it
 
463
303
        # from the ListWalker without it getting destroyed
 
464
304
        self.logbox = ConstrainedListBox(self.log)
 
466
306
        # This keeps track of whether self.uilist currently has
 
467
307
        # self.logbox in it or not
 
468
308
        self.log_visible = True
 
469
 
        self.log_wrap = "any"
 
471
 
        self.loghandler = UILogHandler(self)
 
 
309
        self.log_wrap = u"any"
 
474
 
        self.add_log_line(("bold",
 
475
 
                           "Mandos Monitor version " + version))
 
476
 
        self.add_log_line(("bold", "q: Quit  ?: Help"))
 
478
 
        self.busname = domain + ".Mandos"
 
479
 
        self.main_loop = GLib.MainLoop()
 
481
 
    def client_not_found(self, key_id, address):
 
482
 
        log.info("Client with address %s and key ID %s could"
 
483
 
                 " not be found", address, key_id)
 
 
312
        self.log_message_raw((u"bold",
 
 
313
                              u"Mandos Monitor version " + version))
 
 
314
        self.log_message_raw((u"bold",
 
 
317
        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,
 
485
367
    def rebuild(self):
 
486
368
        """This rebuilds the User Interface.
 
487
369
        Call this when the widget layout needs to change"""
 
489
 
        # self.uilist.append(urwid.ListBox(self.clients))
 
490
 
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
 
492
 
                                       # header=urwid.Divider(),
 
 
371
        #self.uilist.append(urwid.ListBox(self.clients))
 
 
372
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
 
 
373
                                       #header=urwid.Divider(),
 
494
 
                                       footer=urwid.Divider(
 
495
 
                                           div_char=self.divider)))
 
 
375
                                       footer=urwid.Divider(div_char=self.divider)))
 
496
376
        if self.log_visible:
 
497
377
            self.uilist.append(self.logbox)
 
498
379
        self.topwidget = urwid.Pile(self.uilist)
 
500
 
    def add_log_line(self, markup):
 
 
381
    def log_message(self, message):
 
 
382
        timestamp = datetime.datetime.now().isoformat()
 
 
383
        self.log_message_raw(timestamp + u": " + message)
 
 
385
    def log_message_raw(self, markup):
 
 
386
        """Add a log message to the log buffer."""
 
501
387
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
 
502
 
        if self.max_log_length:
 
503
 
            if len(self.log) > self.max_log_length:
 
504
 
                del self.log[0:(len(self.log) - self.max_log_length)]
 
505
 
        self.logbox.set_focus(len(self.logbox.body.contents)-1,
 
 
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")
 
509
395
    def toggle_log_display(self):
 
510
396
        """Toggle visibility of the log buffer."""
 
511
397
        self.log_visible = not self.log_visible
 
513
 
        log.debug("Log visibility changed to: %s", self.log_visible)
 
 
399
        self.log_message(u"Log visibility changed to: "
 
 
400
                         + unicode(self.log_visible))
 
515
402
    def change_log_display(self):
 
516
403
        """Change type of log display.
 
517
404
        Currently, this toggles wrapping of text lines."""
 
518
 
        if self.log_wrap == "clip":
 
519
 
            self.log_wrap = "any"
 
 
405
        if self.log_wrap == u"clip":
 
 
406
            self.log_wrap = u"any"
 
521
 
            self.log_wrap = "clip"
 
 
408
            self.log_wrap = u"clip"
 
522
409
        for textwidget in self.log:
 
523
410
            textwidget.set_wrap_mode(self.log_wrap)
 
524
 
        log.debug("Wrap mode: %s", self.log_wrap)
 
526
 
    def find_and_remove_client(self, path, interfaces):
 
527
 
        """Find a client by its object path and remove it.
 
529
 
        This is connected to the InterfacesRemoved signal from the
 
 
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
 
530
417
        Mandos server object."""
 
531
 
        if client_interface not in interfaces:
 
532
 
            # Not a Mandos client object; ignore
 
535
419
            client = self.clients_dict[path]
 
538
 
            log.warning("Unknown client %s removed", path)
 
542
 
    def add_new_client(self, path, ifs_and_props):
 
543
 
        """Find a client by its object path and remove it.
 
545
 
        This is connected to the InterfacesAdded signal from the
 
546
 
        Mandos server object.
 
548
 
        if client_interface not in ifs_and_props:
 
549
 
            # Not a Mandos client object; ignore
 
 
423
        self.remove_client(client, path)
 
 
425
    def add_new_client(self, path):
 
551
426
        client_proxy_object = self.bus.get_object(self.busname, path)
 
552
 
        self.add_client(MandosClientWidget(
 
553
 
            server_proxy_object=self.mandos_serv,
 
554
 
            proxy_object=client_proxy_object,
 
555
 
            update_hook=self.refresh,
 
556
 
            delete_hook=self.remove_client,
 
557
 
            properties=dict(ifs_and_props[client_interface])),
 
 
427
        self.add_client(MandosClientWidget(server_proxy_object
 
 
430
                                           =client_proxy_object,
 
560
439
    def add_client(self, client, path=None):
 
561
440
        self.clients.append(client)
 
563
442
            path = client.proxy.object_path
 
564
443
        self.clients_dict[path] = client
 
565
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
 
444
        self.clients.sort(None, lambda c: c.properties[u"name"])
 
568
447
    def remove_client(self, client, path=None):
 
569
448
        self.clients.remove(client)
 
571
450
            path = client.proxy.object_path
 
572
451
        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([])
 
575
459
    def refresh(self):
 
576
460
        """Redraw the screen"""
 
577
461
        canvas = self.topwidget.render(self.size, focus=True)
 
578
462
        self.screen.draw_screen(self.size, canvas)
 
581
465
        """Start the main loop and exit when it's done."""
 
582
 
        log.addHandler(self.loghandler)
 
583
 
        self.orig_log_propagate = log.propagate
 
584
 
        log.propagate = False
 
585
 
        self.orig_log_level = log.level
 
587
 
        self.bus = dbus.SystemBus()
 
588
 
        mandos_dbus_objc = self.bus.get_object(
 
589
 
            self.busname, "/", follow_name_owner_changes=True)
 
590
 
        self.mandos_serv = dbus.Interface(
 
591
 
            mandos_dbus_objc, dbus_interface=server_interface)
 
593
 
            mandos_clients = (self.mandos_serv
 
594
 
                              .GetAllClientsWithProperties())
 
595
 
            if not mandos_clients:
 
596
 
                log.warning("Note: Server has no clients.")
 
597
 
        except dbus.exceptions.DBusException:
 
598
 
            log.warning("Note: No Mandos server running.")
 
599
 
            mandos_clients = dbus.Dictionary()
 
602
 
         .connect_to_signal("InterfacesRemoved",
 
603
 
                            self.find_and_remove_client,
 
604
 
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
607
 
         .connect_to_signal("InterfacesAdded",
 
609
 
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
612
 
         .connect_to_signal("ClientNotFound",
 
613
 
                            self.client_not_found,
 
614
 
                            dbus_interface=server_interface,
 
616
 
        for path, client in mandos_clients.items():
 
617
 
            client_proxy_object = self.bus.get_object(self.busname,
 
619
 
            self.add_client(MandosClientWidget(
 
620
 
                server_proxy_object=self.mandos_serv,
 
621
 
                proxy_object=client_proxy_object,
 
623
 
                update_hook=self.refresh,
 
624
 
                delete_hook=self.remove_client),
 
628
 
        self._input_callback_tag = (
 
630
 
                GLib.IOChannel.unix_new(sys.stdin.fileno()),
 
631
 
                GLib.PRIORITY_DEFAULT, GLib.IO_IN,
 
632
 
                glib_safely(self.process_input)))
 
 
467
        self._input_callback_tag = (gobject.io_add_watch
 
633
471
        self.main_loop.run()
 
634
472
        # Main loop has finished, we should close everything now
 
635
 
        GLib.source_remove(self._input_callback_tag)
 
636
 
        with warnings.catch_warnings():
 
637
 
            warnings.simplefilter("ignore", BytesWarning)
 
 
473
        gobject.source_remove(self._input_callback_tag)
 
641
477
        self.main_loop.quit()
 
642
 
        log.removeHandler(self.loghandler)
 
643
 
        log.propagate = self.orig_log_propagate
 
645
479
    def process_input(self, source, condition):
 
646
480
        keys = self.screen.get_input()
 
647
 
        translations = {"ctrl n": "down",       # Emacs
 
648
 
                        "ctrl p": "up",         # Emacs
 
649
 
                        "ctrl v": "page down",  # Emacs
 
650
 
                        "meta v": "page up",    # Emacs
 
651
 
                        " ": "page down",       # less
 
652
 
                        "f": "page down",       # less
 
653
 
                        "b": "page up",         # less
 
 
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
 
659
493
                key = translations[key]
 
660
494
            except KeyError:    # :-)
 
663
 
            if key == "q" or key == "Q":
 
 
497
            if key == u"q" or key == u"Q":
 
666
 
            elif key == "window resize":
 
 
500
            elif key == u"window resize":
 
667
501
                self.size = self.screen.get_cols_rows()
 
669
 
            elif key == "ctrl l":
 
 
503
            elif key == u"\f":  # Ctrl-L
 
672
 
            elif key == "l" or key == "D":
 
 
505
            elif key == u"l" or key == u"D":
 
673
506
                self.toggle_log_display()
 
675
 
            elif key == "w" or key == "i":
 
 
508
            elif key == u"w" or key == u"i":
 
676
509
                self.change_log_display()
 
678
 
            elif key == "?" or key == "f1" or key == "esc":
 
 
511
            elif key == u"?" or key == u"f1" or key == u"esc":
 
679
512
                if not self.log_visible:
 
680
513
                    self.log_visible = True
 
682
 
                self.add_log_line(("bold",
 
685
 
                                              "l: Log window toggle",
 
686
 
                                              "TAB: Switch window",
 
687
 
                                              "w: Wrap (log lines)",
 
688
 
                                              "v: Toggle verbose log",
 
690
 
                self.add_log_line(("bold",
 
691
 
                                   "  ".join(("Clients:",
 
695
 
                                              "s: Start new checker",
 
 
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",
 
703
533
                if self.topwidget.get_focus() is self.logbox:
 
704
534
                    self.topwidget.set_focus(0)
 
706
536
                    self.topwidget.set_focus(self.logbox)
 
709
 
                if log.level < logging.INFO:
 
710
 
                    log.setLevel(logging.INFO)
 
711
 
                    log.info("Verbose mode: Off")
 
713
 
                    log.setLevel(logging.NOTSET)
 
714
 
                    log.info("Verbose mode: On")
 
715
 
            # elif (key == "end" or key == "meta >" or key == "G"
 
717
 
            #     pass            # xxx end-of-buffer
 
718
 
            # elif (key == "home" or key == "meta <" or key == "g"
 
720
 
            #     pass            # xxx beginning-of-buffer
 
721
 
            # elif key == "ctrl e" or key == "$":
 
722
 
            #     pass            # xxx move-end-of-line
 
723
 
            # elif key == "ctrl a" or key == "^":
 
724
 
            #     pass            # xxx move-beginning-of-line
 
725
 
            # elif key == "ctrl b" or key == "meta (" or key == "h":
 
727
 
            # elif key == "ctrl f" or key == "meta )" or key == "l":
 
730
 
            #     pass            # scroll up log
 
732
 
            #     pass            # scroll down log
 
 
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
 
733
556
            elif self.topwidget.selectable():
 
734
557
                self.topwidget.keypress(self.size, key)
 
739
 
class UILogHandler(logging.Handler):
 
740
 
    def __init__(self, ui, *args, **kwargs):
 
742
 
        super(UILogHandler, self).__init__(*args, **kwargs)
 
744
 
            logging.Formatter("%(asctime)s: %(message)s"))
 
745
 
    def emit(self, record):
 
746
 
        msg = self.format(record)
 
747
 
        if record.levelno > logging.INFO:
 
749
 
        self.ui.add_log_line(msg)
 
752
561
ui = UserInterface()
 
755
 
except KeyboardInterrupt:
 
756
 
    with warnings.catch_warnings():
 
757
 
        warnings.filterwarnings("ignore", "", BytesWarning)
 
760
 
    with warnings.catch_warnings():
 
761
 
        warnings.filterwarnings("ignore", "", BytesWarning)
 
 
565
    ui.log_message(unicode(e))