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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
 
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#     WITHOUT ANY WARRANTY; without even the implied warranty of
 
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#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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#     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
 
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                    format="%(message)s") # Show basic log messages
 
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logging.captureWarnings(True)   # Show warnings via the logging system
 
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locale.setlocale(locale.LC_ALL, "")
 
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logging.getLogger("dbus.proxies").setLevel(logging.CRITICAL)
 
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# Some useful constants
 
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domain = "se.recompile"
 
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server_interface = domain + ".Mandos"
 
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client_interface = domain + ".Mandos.Client"
 
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    dbus.OBJECT_MANAGER_IFACE
 
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except AttributeError:
 
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    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
 
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def isoformat_to_datetime(iso):
 
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    "Parse an ISO 8601 date string to a datetime.datetime()"
 
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    d, t = iso.split("T", 1)
 
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    year, month, day = d.split("-", 2)
 
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    hour, minute, second = t.split(":", 2)
 
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    second, fraction = divmod(float(second), 1)
 
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    return datetime.datetime(int(year),
 
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                             int(second),            # Whole seconds
 
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                             int(fraction*1000000))  # Microseconds
 
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class MandosClientPropertyCache:
 
 
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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)
 
 
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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 = (
 
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            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:
 
112
 
            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, properties=None, *args,
 
 
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        self.proxy = proxy_object # Mandos Client proxy object
 
 
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        if properties is None:
 
 
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            self.properties = dict()
 
 
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            self.properties = properties
 
 
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        self.proxy.connect_to_signal("PropertyChanged",
 
 
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                                     self.property_changed,
 
 
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        if properties is None:
 
 
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            self.properties.update(self.proxy.GetAll(client_interface,
 
 
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                                                     dbus.PROPERTIES_IFACE))
 
 
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        super(MandosClientPropertyCache, self).__init__(
 
 
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            proxy_object=proxy_object,
 
 
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            properties=properties, *args, **kwargs)
 
 
59
    def property_changed(self, property=None, value=None):
 
 
60
        """This is called whenever we get a PropertyChanged signal
 
 
61
        It updates the changed property in the "properties" dict.
 
122
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        # Update properties dict with new value
 
123
 
        if interface == client_interface:
 
124
 
            self.properties.update(properties)
 
127
 
        self.property_changed_match.remove()
 
 
64
        self.properties[property] = value
 
130
67
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
 
131
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    """A Mandos Client which is visible on the screen.
 
134
71
    def __init__(self, server_proxy_object=None, update_hook=None,
 
135
 
                 delete_hook=None, **kwargs):
 
 
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                 delete_hook=None, *args, **kwargs):
 
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        # Called on update
 
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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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77
        # Mandos Server proxy object
 
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        self.server_proxy_object = server_proxy_object
 
143
 
        self._update_timer_callback_tag = None
 
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        # The widget shown normally
 
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        self._text_widget = urwid.Text("")
 
147
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        # The widget shown when we have focus
 
148
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        self._focus_text_widget = urwid.Text("")
 
149
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
 
84
        super(MandosClientWidget, self).__init__(
 
 
85
            update_hook=update_hook, delete_hook=delete_hook,
 
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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
 
189
 
    def checker_completed(self, exitstatus, condition, command):
 
191
 
            log.debug('Checker for client %s (command "%s")'
 
192
 
                      " succeeded", self.properties["Name"], command)
 
196
 
        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))
 
206
 
    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)
 
211
 
    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)
 
226
90
    def selectable(self):
 
227
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        """Make this a "selectable" widget.
 
228
92
        This overrides the method from urwid.FlowWidget."""
 
231
 
    def rows(self, maxcolrow, focus=False):
 
 
95
    def rows(self, (maxcol,), focus=False):
 
232
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        """How many rows this widget will occupy might depend on
 
233
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        whether we have focus or not.
 
234
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        This overrides the method from urwid.FlowWidget"""
 
235
 
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
 
99
        return self.current_widget(focus).rows((maxcol,), focus=focus)
 
237
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    def current_widget(self, focus=False):
 
238
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        if focus or self.opened:
 
239
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            return self._focus_widget
 
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        return self._widget
 
242
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    def update(self):
 
243
107
        "Called when what is visible on the screen should be updated."
 
244
108
        # 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",
 
 
109
        with_standout = { u"normal": u"standout",
 
 
110
                          u"bold": u"bold-standout",
 
 
112
                              u"underline-blink-standout",
 
 
113
                          u"bold-underline-blink":
 
 
114
                              u"bold-underline-blink-standout",
 
253
117
        # 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)
 
 
118
        self._text = (u'name="%(name)s", enabled=%(enabled)s'
 
296
120
        if not urwid.supports_unicode():
 
297
121
            self._text = self._text.encode("ascii", "replace")
 
298
 
        textlist = [("normal", self._text)]
 
 
122
        textlist = [(u"normal", u"BLARGH: "), (u"bold", self._text)]
 
299
123
        self._text_widget.set_text(textlist)
 
300
124
        self._focus_text_widget.set_text([(with_standout[text[0]],
 
 
308
132
        # Run update hook, if any
 
309
133
        if self.update_hook is not None:
 
310
134
            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
137
        if self.delete_hook is not None:
 
327
138
            self.delete_hook(self)
 
328
 
        return super(MandosClientWidget, self).delete(**kwargs)
 
330
 
    def render(self, maxcolrow, focus=False):
 
 
140
    def render(self, (maxcol,), focus=False):
 
331
141
        """Render differently if we have focus.
 
332
142
        This overrides the method from urwid.FlowWidget"""
 
333
 
        return self.current_widget(focus).render(maxcolrow,
 
 
143
        return self.current_widget(focus).render((maxcol,),
 
336
 
    def keypress(self, maxcolrow, key):
 
 
146
    def keypress(self, (maxcol,), key):
 
338
148
        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":
 
 
149
        if key == u"e" or key == u"+":
 
 
151
        elif key == u"d" or key == u"-":
 
 
153
        elif key == u"r" or key == u"_" or key == u"ctrl k":
 
356
154
            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,
 
 
157
            self.proxy.StartChecker()
 
 
159
            self.proxy.StopChecker()
 
 
161
            self.proxy.CheckedOK()
 
371
 
#         elif key == "p" or key == "=":
 
 
163
#         elif key == u"p" or key == "=":
 
372
164
#             self.proxy.pause()
 
373
 
#         elif key == "u" or key == ":":
 
 
165
#         elif key == u"u" or key == ":":
 
374
166
#             self.proxy.unpause()
 
 
167
#         elif key == u"RET":
 
380
 
    def properties_changed(self, interface, properties, invalidated):
 
381
 
        """Call self.update() if any properties changed.
 
 
172
    def property_changed(self, property=None, value=None,
 
 
174
        """Call self.update() if old value is not new value.
 
382
175
        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):
 
 
176
        property_name = unicode(property)
 
 
177
        old_value = self.properties.get(property_name)
 
 
178
        super(MandosClientWidget, self).property_changed(
 
 
179
            property=property, value=value, *args, **kwargs)
 
 
180
        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
184
class ConstrainedListBox(urwid.ListBox):
 
403
185
    """Like a normal urwid.ListBox, but will consume all "up" or
 
404
186
    "down" key presses, thus not allowing any containing widgets to
 
405
187
    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"):
 
 
189
    def keypress(self, (maxcol, maxrow), key):
 
 
190
        ret = super(ConstrainedListBox, self).keypress((maxcol, maxrow), key)
 
 
191
        if ret in (u"up", u"down"):
 
 
196
class UserInterface(object):
 
416
197
    """This is the entire user interface - the whole screen
 
417
198
    with boxes, lists of client widgets, etc.
 
419
200
    def __init__(self, max_log_length=1000):
 
420
201
        DBusGMainLoop(set_as_default=True)
 
422
203
        self.screen = urwid.curses_display.Screen()
 
424
205
        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"),
 
 
207
                 u"default", u"default", None),
 
 
209
                 u"default", u"default", u"bold"),
 
 
211
                 u"default", u"default", u"underline"),
 
 
213
                 u"default", u"default", u"standout"),
 
 
214
                (u"bold-underline-blink",
 
 
215
                 u"default", u"default", (u"bold", u"underline")),
 
 
217
                 u"default", u"default", (u"bold", u"standout")),
 
 
218
                (u"underline-blink-standout",
 
 
219
                 u"default", u"default", (u"underline", u"standout")),
 
 
220
                (u"bold-underline-blink-standout",
 
 
221
                 u"default", u"default", (u"bold", u"underline",
 
446
225
        if urwid.supports_unicode():
 
447
 
            self.divider = "─"  # \u2500
 
 
226
            self.divider = u"─" # \u2500
 
 
227
            #self.divider = u"━" # \u2501
 
449
 
            self.divider = "_"  # \u005f
 
 
229
            #self.divider = u"-" # \u002d
 
 
230
            self.divider = u"_" # \u005f
 
451
232
        self.screen.start()
 
453
234
        self.size = self.screen.get_cols_rows()
 
455
236
        self.clients = urwid.SimpleListWalker([])
 
456
237
        self.clients_dict = {}
 
458
239
        # We will add Text widgets to this list
 
459
 
        self.log = urwid.SimpleListWalker([])
 
460
241
        self.max_log_length = max_log_length
 
462
243
        # We keep a reference to the log widget so we can remove it
 
463
244
        # from the ListWalker without it getting destroyed
 
464
245
        self.logbox = ConstrainedListBox(self.log)
 
466
247
        # This keeps track of whether self.uilist currently has
 
467
248
        # self.logbox in it or not
 
468
249
        self.log_visible = True
 
469
 
        self.log_wrap = "any"
 
471
 
        self.loghandler = UILogHandler(self)
 
 
250
        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)
 
 
253
        self.log_message((u"bold",
 
 
254
                          u"Mandos Monitor version " + version))
 
 
255
        self.log_message((u"bold",
 
 
258
        self.busname = domain + '.Mandos'
 
 
259
        self.main_loop = gobject.MainLoop()
 
 
260
        self.bus = dbus.SystemBus()
 
 
261
        mandos_dbus_objc = self.bus.get_object(
 
 
262
            self.busname, u"/", follow_name_owner_changes=True)
 
 
263
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
 
267
            mandos_clients = (self.mandos_serv
 
 
268
                              .GetAllClientsWithProperties())
 
 
269
        except dbus.exceptions.DBusException:
 
 
270
            mandos_clients = dbus.Dictionary()
 
 
273
         .connect_to_signal("ClientRemoved",
 
 
274
                            self.find_and_remove_client,
 
 
275
                            dbus_interface=server_interface,
 
 
278
         .connect_to_signal("ClientAdded",
 
 
280
                            dbus_interface=server_interface,
 
 
282
        for path, client in mandos_clients.iteritems():
 
 
283
            client_proxy_object = self.bus.get_object(self.busname,
 
 
285
            self.add_client(MandosClientWidget(server_proxy_object
 
 
288
                                               =client_proxy_object,
 
 
293
                                               =self.remove_client),
 
485
296
    def rebuild(self):
 
486
297
        """This rebuilds the User Interface.
 
487
298
        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(),
 
 
300
        #self.uilist.append(urwid.ListBox(self.clients))
 
 
301
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
 
 
302
                                       #header=urwid.Divider(),
 
494
 
                                       footer=urwid.Divider(
 
495
 
                                           div_char=self.divider)))
 
 
304
                                       footer=urwid.Divider(div_char=self.divider)))
 
496
305
        if self.log_visible:
 
497
306
            self.uilist.append(self.logbox)
 
498
308
        self.topwidget = urwid.Pile(self.uilist)
 
500
 
    def add_log_line(self, markup):
 
 
310
    def log_message(self, markup):
 
 
311
        """Add a log message to the log buffer."""
 
501
312
        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,
 
 
313
        if (self.max_log_length
 
 
314
            and len(self.log) > self.max_log_length):
 
 
315
            del self.log[0:len(self.log)-self.max_log_length-1]
 
 
316
        self.logbox.set_focus(len(self.logbox.body.contents),
 
 
317
                              coming_from=u"above")
 
509
319
    def toggle_log_display(self):
 
510
320
        """Toggle visibility of the log buffer."""
 
511
321
        self.log_visible = not self.log_visible
 
513
 
        log.debug("Log visibility changed to: %s", self.log_visible)
 
 
323
        self.log_message(u"Log visibility changed to: "
 
 
324
                         + unicode(self.log_visible))
 
515
326
    def change_log_display(self):
 
516
327
        """Change type of log display.
 
517
328
        Currently, this toggles wrapping of text lines."""
 
518
 
        if self.log_wrap == "clip":
 
519
 
            self.log_wrap = "any"
 
 
329
        if self.log_wrap == u"clip":
 
 
330
            self.log_wrap = u"any"
 
521
 
            self.log_wrap = "clip"
 
 
332
            self.log_wrap = u"clip"
 
522
333
        for textwidget in self.log:
 
523
334
            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
 
 
335
        self.log_message(u"Wrap mode: " + self.log_wrap)
 
 
337
    def find_and_remove_client(self, path, name):
 
 
338
        """Find an client from its object path and remove it.
 
 
340
        This is connected to the ClientRemoved signal from the
 
530
341
        Mandos server object."""
 
531
 
        if client_interface not in interfaces:
 
532
 
            # Not a Mandos client object; ignore
 
535
343
            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
 
 
347
        self.remove_client(client, path)
 
 
349
    def add_new_client(self, path, properties):
 
551
350
        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])),
 
 
351
        self.add_client(MandosClientWidget(server_proxy_object
 
 
354
                                           =client_proxy_object,
 
 
355
                                           properties=properties,
 
 
359
                                           =self.remove_client),
 
560
362
    def add_client(self, client, path=None):
 
561
363
        self.clients.append(client)
 
563
365
            path = client.proxy.object_path
 
564
366
        self.clients_dict[path] = client
 
565
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
 
367
        self.clients.sort(None, lambda c: c.properties[u"name"])
 
568
370
    def remove_client(self, client, path=None):
 
569
371
        self.clients.remove(client)
 
571
373
            path = client.proxy.object_path
 
572
374
        del self.clients_dict[path]
 
 
375
        if not self.clients_dict:
 
 
376
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
 
377
            # is completely emptied, we need to recreate it.
 
 
378
            self.clients = urwid.SimpleListWalker([])
 
575
382
    def refresh(self):
 
576
383
        """Redraw the screen"""
 
577
384
        canvas = self.topwidget.render(self.size, focus=True)
 
578
385
        self.screen.draw_screen(self.size, canvas)
 
581
388
        """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)))
 
 
390
        self._input_callback_tag = (gobject.io_add_watch
 
633
394
        self.main_loop.run()
 
634
395
        # 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)
 
 
396
        gobject.source_remove(self._input_callback_tag)
 
641
400
        self.main_loop.quit()
 
642
 
        log.removeHandler(self.loghandler)
 
643
 
        log.propagate = self.orig_log_propagate
 
645
402
    def process_input(self, source, condition):
 
646
403
        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
 
 
404
        translations = { u"ctrl n": u"down",      # Emacs
 
 
405
                         u"ctrl p": u"up",        # Emacs
 
 
406
                         u"ctrl v": u"page down", # Emacs
 
 
407
                         u"meta v": u"page up",   # Emacs
 
 
408
                         u" ": u"page down",      # less
 
 
409
                         u"f": u"page down",      # less
 
 
410
                         u"b": u"page up",        # less
 
659
416
                key = translations[key]
 
660
417
            except KeyError:    # :-)
 
663
 
            if key == "q" or key == "Q":
 
 
420
            if key == u"q" or key == u"Q":
 
666
 
            elif key == "window resize":
 
 
423
            elif key == u"window resize":
 
667
424
                self.size = self.screen.get_cols_rows()
 
669
 
            elif key == "ctrl l":
 
 
426
            elif key == u"\f":  # Ctrl-L
 
672
 
            elif key == "l" or key == "D":
 
 
428
            elif key == u"l" or key == u"D":
 
673
429
                self.toggle_log_display()
 
675
 
            elif key == "w" or key == "i":
 
 
431
            elif key == u"w" or key == u"i":
 
676
432
                self.change_log_display()
 
678
 
            elif key == "?" or key == "f1" or key == "esc":
 
 
434
            elif key == u"?" or key == u"f1" or key == u"esc":
 
679
435
                if not self.log_visible:
 
680
436
                    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",
 
 
438
                self.log_message((u"bold",
 
 
439
                                  u"  ".join((u"q: Quit",
 
 
441
                                              u"l: Log window toggle",
 
 
442
                                              u"TAB: Switch window",
 
 
444
                self.log_message((u"bold",
 
 
445
                                  u"  ".join((u"Clients:",
 
 
449
                                              u"s: Start new checker",
 
703
454
                if self.topwidget.get_focus() is self.logbox:
 
704
455
                    self.topwidget.set_focus(0)
 
706
457
                    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
 
 
459
            #elif (key == u"end" or key == u"meta >" or key == u"G"
 
 
461
            #    pass            # xxx end-of-buffer
 
 
462
            #elif (key == u"home" or key == u"meta <" or key == u"g"
 
 
464
            #    pass            # xxx beginning-of-buffer
 
 
465
            #elif key == u"ctrl e" or key == u"$":
 
 
466
            #    pass            # xxx move-end-of-line
 
 
467
            #elif key == u"ctrl a" or key == u"^":
 
 
468
            #    pass            # xxx move-beginning-of-line
 
 
469
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
 
 
471
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
 
 
474
            #    pass            # scroll up log
 
 
476
            #    pass            # scroll down log
 
733
477
            elif self.topwidget.selectable():
 
734
478
                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
482
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)