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  • Committer: Teddy Hogeborn
  • Date: 2017-02-23 19:11:11 UTC
  • Revision ID: teddy@recompile.se-20170223191111-poodzw0cr26utaz0
Update copyright year to 2017

* DBUS-API: Update copyright year to 2017.
* debian/copyright: - '' -
* intro.xml: - '' -
* mandos: - '' -
* mandos-clients.conf.xml: - '' -
* mandos-ctl: - '' -
* mandos-ctl.xml: - '' -
* mandos-keygen: - '' -
* mandos-keygen.xml: - '' -
* mandos-monitor: - '' -
* mandos-monitor.xml: - '' -
* mandos.conf.xml: - '' -
* mandos.xml: - '' -
* plugin-helpers/mandos-client-iprouteadddel.c: - '' -
* plugin-runner.c: - '' -
* plugin-runner.xml: - '' -
* plugins.d/askpass-fifo.c: - '' -
* plugins.d/askpass-fifo.xml: - '' -
* plugins.d/mandos-client.c: - '' -
* plugins.d/mandos-client.xml: - '' -
* plugins.d/password-prompt.c: - '' -
* plugins.d/password-prompt.xml: - '' -
* plugins.d/plymouth.c: - '' -
* plugins.d/plymouth.xml: - '' -
* plugins.d/splashy.c: - '' -
* plugins.d/splashy.xml: - '' -
* plugins.d/usplash.c: - '' -
* plugins.d/usplash.xml: - '' -

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Lines of Context:
mandos-monitor
1
1
#!/usr/bin/python
2
2
# -*- mode: python; coding: utf-8 -*-
 
3
#
 
4
# Mandos Monitor - Control and monitor the Mandos server
 
5
#
 
6
# Copyright © 2009-2017 Teddy Hogeborn
 
7
# Copyright © 2009-2017 Björn Påhlsson
 
8
#
 
9
# This program is free software: you can redistribute it and/or modify
 
10
# it under the terms of the GNU General Public License as published by
 
11
# the Free Software Foundation, either version 3 of the License, or
 
12
# (at your option) any later version.
 
13
#
 
14
#     This program is distributed in the hope that it will be useful,
 
15
#     but WITHOUT ANY WARRANTY; without even the implied warranty of
 
16
#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
17
#     GNU General Public License for more details.
 
18
#
 
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/>.
 
22
#
 
23
# Contact the authors at <mandos@recompile.se>.
 
24
#
3
25
 
4
 
from __future__ import division, absolute_import, with_statement
 
26
from __future__ import (division, absolute_import, print_function,
 
27
                        unicode_literals)
 
28
try:
 
29
    from future_builtins import *
 
30
except ImportError:
 
31
    pass
5
32
 
6
33
import sys
7
34
import os
8
 
import signal
9
35
 
10
36
import datetime
11
37
 
13
39
import urwid
14
40
 
15
41
from dbus.mainloop.glib import DBusGMainLoop
16
 
import gobject
 
42
from gi.repository import GLib
17
43
 
18
44
import dbus
19
45
 
20
 
import UserList
 
46
import locale
 
47
 
 
48
import logging
 
49
 
 
50
if sys.version_info.major == 2:
 
51
    str = unicode
 
52
 
 
53
locale.setlocale(locale.LC_ALL, '')
 
54
 
 
55
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
21
56
 
22
57
# Some useful constants
23
 
domain = 'se.bsnet.fukt'
 
58
domain = 'se.recompile'
24
59
server_interface = domain + '.Mandos'
25
60
client_interface = domain + '.Mandos.Client'
26
 
version = "1.0.14"
27
 
 
28
 
# Always run in monochrome mode
29
 
urwid.curses_display.curses.has_colors = lambda : False
30
 
 
31
 
# Urwid doesn't support blinking, but we want it.  Since we have no
32
 
# use for underline on its own, we make underline also always blink.
33
 
urwid.curses_display.curses.A_UNDERLINE |= (
34
 
    urwid.curses_display.curses.A_BLINK)
 
61
version = "1.7.14"
 
62
 
 
63
try:
 
64
    dbus.OBJECT_MANAGER_IFACE
 
65
except AttributeError:
 
66
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
 
67
 
 
68
 
 
69
def isoformat_to_datetime(iso):
 
70
    "Parse an ISO 8601 date string to a datetime.datetime()"
 
71
    if not iso:
 
72
        return None
 
73
    d, t = iso.split("T", 1)
 
74
    year, month, day = d.split("-", 2)
 
75
    hour, minute, second = t.split(":", 2)
 
76
    second, fraction = divmod(float(second), 1)
 
77
    return datetime.datetime(int(year),
 
78
                             int(month),
 
79
                             int(day),
 
80
                             int(hour),
 
81
                             int(minute),
 
82
                             int(second),            # Whole seconds
 
83
                             int(fraction*1000000))  # Microseconds
 
84
 
35
85
 
36
86
class MandosClientPropertyCache(object):
37
87
    """This wraps a Mandos Client D-Bus proxy object, caches the
38
88
    properties and calls a hook function when any of them are
39
89
    changed.
40
90
    """
41
 
    def __init__(self, proxy_object=None, properties=None, *args,
42
 
                 **kwargs):
43
 
        self.proxy = proxy_object # Mandos Client proxy object
44
 
        
45
 
        if properties is None:
46
 
            self.properties = dict()
47
 
        else:
48
 
            self.properties = properties
49
 
        self.proxy.connect_to_signal(u"PropertyChanged",
50
 
                                     self.property_changed,
51
 
                                     client_interface,
52
 
                                     byte_arrays=True)
53
 
        
54
 
        if properties is None:
55
 
            self.properties.update(self.proxy.GetAll(client_interface,
56
 
                                                     dbus_interface =
57
 
                                                     dbus.PROPERTIES_IFACE))
58
 
        super(MandosClientPropertyCache, self).__init__(
59
 
            proxy_object=proxy_object,
60
 
            properties=properties, *args, **kwargs)
61
 
    
62
 
    def property_changed(self, property=None, value=None):
63
 
        """This is called whenever we get a PropertyChanged signal
64
 
        It updates the changed property in the "properties" dict.
 
91
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
92
        self.proxy = proxy_object  # Mandos Client proxy object
 
93
        self.properties = dict() if properties is None else properties
 
94
        self.property_changed_match = (
 
95
            self.proxy.connect_to_signal("PropertiesChanged",
 
96
                                         self.properties_changed,
 
97
                                         dbus.PROPERTIES_IFACE,
 
98
                                         byte_arrays=True))
 
99
 
 
100
        if properties is None:
 
101
            self.properties.update(self.proxy.GetAll(
 
102
                client_interface,
 
103
                dbus_interface=dbus.PROPERTIES_IFACE))
 
104
 
 
105
        super(MandosClientPropertyCache, self).__init__(**kwargs)
 
106
 
 
107
    def properties_changed(self, interface, properties, invalidated):
 
108
        """This is called whenever we get a PropertiesChanged signal
 
109
        It updates the changed properties in the "properties" dict.
65
110
        """
66
111
        # Update properties dict with new value
67
 
        self.properties[property] = value
 
112
        if interface == client_interface:
 
113
            self.properties.update(properties)
 
114
 
 
115
    def delete(self):
 
116
        self.property_changed_match.remove()
68
117
 
69
118
 
70
119
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
71
120
    """A Mandos Client which is visible on the screen.
72
121
    """
73
 
    
 
122
 
74
123
    def __init__(self, server_proxy_object=None, update_hook=None,
75
 
                 delete_hook=None, logger=None, *args, **kwargs):
 
124
                 delete_hook=None, logger=None, **kwargs):
76
125
        # Called on update
77
126
        self.update_hook = update_hook
78
127
        # Called on delete
81
130
        self.server_proxy_object = server_proxy_object
82
131
        # Logger
83
132
        self.logger = logger
84
 
        
 
133
 
 
134
        self._update_timer_callback_tag = None
 
135
 
85
136
        # The widget shown normally
86
 
        self._text_widget = urwid.Text(u"")
 
137
        self._text_widget = urwid.Text("")
87
138
        # The widget shown when we have focus
88
 
        self._focus_text_widget = urwid.Text(u"")
89
 
        super(MandosClientWidget, self).__init__(
90
 
            update_hook=update_hook, delete_hook=delete_hook,
91
 
            *args, **kwargs)
 
139
        self._focus_text_widget = urwid.Text("")
 
140
        super(MandosClientWidget, self).__init__(**kwargs)
92
141
        self.update()
93
142
        self.opened = False
94
 
        self.proxy.connect_to_signal(u"CheckerCompleted",
95
 
                                     self.checker_completed,
96
 
                                     client_interface,
97
 
                                     byte_arrays=True)
98
 
        self.proxy.connect_to_signal(u"CheckerStarted",
99
 
                                     self.checker_started,
100
 
                                     client_interface,
101
 
                                     byte_arrays=True)
102
 
        self.proxy.connect_to_signal(u"GotSecret",
103
 
                                     self.got_secret,
104
 
                                     client_interface,
105
 
                                     byte_arrays=True)
106
 
        self.proxy.connect_to_signal(u"Rejected",
107
 
                                     self.rejected,
108
 
                                     client_interface,
109
 
                                     byte_arrays=True)
110
 
    
 
143
 
 
144
        self.match_objects = (
 
145
            self.proxy.connect_to_signal("CheckerCompleted",
 
146
                                         self.checker_completed,
 
147
                                         client_interface,
 
148
                                         byte_arrays=True),
 
149
            self.proxy.connect_to_signal("CheckerStarted",
 
150
                                         self.checker_started,
 
151
                                         client_interface,
 
152
                                         byte_arrays=True),
 
153
            self.proxy.connect_to_signal("GotSecret",
 
154
                                         self.got_secret,
 
155
                                         client_interface,
 
156
                                         byte_arrays=True),
 
157
            self.proxy.connect_to_signal("NeedApproval",
 
158
                                         self.need_approval,
 
159
                                         client_interface,
 
160
                                         byte_arrays=True),
 
161
            self.proxy.connect_to_signal("Rejected",
 
162
                                         self.rejected,
 
163
                                         client_interface,
 
164
                                         byte_arrays=True))
 
165
        self.logger('Created client {}'
 
166
                    .format(self.properties["Name"]), level=0)
 
167
 
 
168
    def using_timer(self, flag):
 
169
        """Call this method with True or False when timer should be
 
170
        activated or deactivated.
 
171
        """
 
172
        if flag and self._update_timer_callback_tag is None:
 
173
            # Will update the shown timer value every second
 
174
            self._update_timer_callback_tag = (GLib.timeout_add
 
175
                                               (1000,
 
176
                                                self.update_timer))
 
177
        elif not (flag or self._update_timer_callback_tag is None):
 
178
            GLib.source_remove(self._update_timer_callback_tag)
 
179
            self._update_timer_callback_tag = None
 
180
 
111
181
    def checker_completed(self, exitstatus, condition, command):
112
182
        if exitstatus == 0:
113
 
            self.logger(u'Checker for client %s (command "%s")'
114
 
                        u' was successful'
115
 
                        % (self.properties[u"name"], command))
 
183
            self.logger('Checker for client {} (command "{}")'
 
184
                        ' succeeded'.format(self.properties["Name"],
 
185
                                            command), level=0)
 
186
            self.update()
116
187
            return
 
188
        # Checker failed
117
189
        if os.WIFEXITED(condition):
118
 
            self.logger(u'Checker for client %s (command "%s")'
119
 
                        u' failed with exit code %s'
120
 
                        % (self.properties[u"name"], command,
121
 
                           os.WEXITSTATUS(condition)))
122
 
            return
123
 
        if os.WIFSIGNALED(condition):
124
 
            self.logger(u'Checker for client %s (command "%s")'
125
 
                        u' was killed by signal %s'
126
 
                        % (self.properties[u"name"], command,
127
 
                           os.WTERMSIG(condition)))
128
 
            return
129
 
        if os.WCOREDUMP(condition):
130
 
            self.logger(u'Checker for client %s (command "%s")'
131
 
                        u' dumped core'
132
 
                        % (self.properties[u"name"], command))
133
 
        self.logger(u'Checker for client %s completed mysteriously')
134
 
    
 
190
            self.logger('Checker for client {} (command "{}") failed'
 
191
                        ' with exit code {}'
 
192
                        .format(self.properties["Name"], command,
 
193
                                os.WEXITSTATUS(condition)))
 
194
        elif os.WIFSIGNALED(condition):
 
195
            self.logger('Checker for client {} (command "{}") was'
 
196
                        ' killed by signal {}'
 
197
                        .format(self.properties["Name"], command,
 
198
                                os.WTERMSIG(condition)))
 
199
        self.update()
 
200
 
135
201
    def checker_started(self, command):
136
 
        self.logger(u'Client %s started checker "%s"'
137
 
                    % (self.properties[u"name"], unicode(command)))
138
 
    
 
202
        """Server signals that a checker started."""
 
203
        self.logger('Client {} started checker "{}"'
 
204
                    .format(self.properties["Name"],
 
205
                            command), level=0)
 
206
 
139
207
    def got_secret(self):
140
 
        self.logger(u'Client %s received its secret'
141
 
                    % self.properties[u"name"])
142
 
    
143
 
    def rejected(self):
144
 
        self.logger(u'Client %s was rejected'
145
 
                    % self.properties[u"name"])
146
 
    
 
208
        self.logger('Client {} received its secret'
 
209
                    .format(self.properties["Name"]))
 
210
 
 
211
    def need_approval(self, timeout, default):
 
212
        if not default:
 
213
            message = 'Client {} needs approval within {} seconds'
 
214
        else:
 
215
            message = 'Client {} will get its secret in {} seconds'
 
216
        self.logger(message.format(self.properties["Name"],
 
217
                                   timeout/1000))
 
218
 
 
219
    def rejected(self, reason):
 
220
        self.logger('Client {} was rejected; reason: {}'
 
221
                    .format(self.properties["Name"], reason))
 
222
 
147
223
    def selectable(self):
148
224
        """Make this a "selectable" widget.
149
225
        This overrides the method from urwid.FlowWidget."""
150
226
        return True
151
 
    
152
 
    def rows(self, (maxcol,), focus=False):
 
227
 
 
228
    def rows(self, maxcolrow, focus=False):
153
229
        """How many rows this widget will occupy might depend on
154
230
        whether we have focus or not.
155
231
        This overrides the method from urwid.FlowWidget"""
156
 
        return self.current_widget(focus).rows((maxcol,), focus=focus)
157
 
    
 
232
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
233
 
158
234
    def current_widget(self, focus=False):
159
235
        if focus or self.opened:
160
236
            return self._focus_widget
161
237
        return self._widget
162
 
    
 
238
 
163
239
    def update(self):
164
240
        "Called when what is visible on the screen should be updated."
165
241
        # How to add standout mode to a style
166
 
        with_standout = { u"normal": u"standout",
167
 
                          u"bold": u"bold-standout",
168
 
                          u"underline-blink":
169
 
                              u"underline-blink-standout",
170
 
                          u"bold-underline-blink":
171
 
                              u"bold-underline-blink-standout",
172
 
                          }
173
 
        
 
242
        with_standout = {"normal": "standout",
 
243
                         "bold": "bold-standout",
 
244
                         "underline-blink":
 
245
                         "underline-blink-standout",
 
246
                         "bold-underline-blink":
 
247
                         "bold-underline-blink-standout",
 
248
                         }
 
249
 
174
250
        # Rebuild focus and non-focus widgets using current properties
175
 
        self._text = (u'%(name)s: %(enabled)s'
176
 
                      % { u"name": self.properties[u"name"],
177
 
                          u"enabled":
178
 
                              (u"enabled"
179
 
                               if self.properties[u"enabled"]
180
 
                               else u"DISABLED")})
 
251
 
 
252
        # Base part of a client. Name!
 
253
        base = '{name}: '.format(name=self.properties["Name"])
 
254
        if not self.properties["Enabled"]:
 
255
            message = "DISABLED"
 
256
            self.using_timer(False)
 
257
        elif self.properties["ApprovalPending"]:
 
258
            timeout = datetime.timedelta(
 
259
                milliseconds=self.properties["ApprovalDelay"])
 
260
            last_approval_request = isoformat_to_datetime(
 
261
                self.properties["LastApprovalRequest"])
 
262
            if last_approval_request is not None:
 
263
                timer = max(timeout - (datetime.datetime.utcnow()
 
264
                                       - last_approval_request),
 
265
                            datetime.timedelta())
 
266
            else:
 
267
                timer = datetime.timedelta()
 
268
            if self.properties["ApprovedByDefault"]:
 
269
                message = "Approval in {}. (d)eny?"
 
270
            else:
 
271
                message = "Denial in {}. (a)pprove?"
 
272
            message = message.format(str(timer).rsplit(".", 1)[0])
 
273
            self.using_timer(True)
 
274
        elif self.properties["LastCheckerStatus"] != 0:
 
275
            # When checker has failed, show timer until client expires
 
276
            expires = self.properties["Expires"]
 
277
            if expires == "":
 
278
                timer = datetime.timedelta(0)
 
279
            else:
 
280
                expires = (datetime.datetime.strptime
 
281
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
 
282
                timer = max(expires - datetime.datetime.utcnow(),
 
283
                            datetime.timedelta())
 
284
            message = ('A checker has failed! Time until client'
 
285
                       ' gets disabled: {}'
 
286
                       .format(str(timer).rsplit(".", 1)[0]))
 
287
            self.using_timer(True)
 
288
        else:
 
289
            message = "enabled"
 
290
            self.using_timer(False)
 
291
        self._text = "{}{}".format(base, message)
 
292
 
181
293
        if not urwid.supports_unicode():
182
294
            self._text = self._text.encode("ascii", "replace")
183
 
        textlist = [(u"normal", self._text)]
 
295
        textlist = [("normal", self._text)]
184
296
        self._text_widget.set_text(textlist)
185
297
        self._focus_text_widget.set_text([(with_standout[text[0]],
186
298
                                           text[1])
193
305
        # Run update hook, if any
194
306
        if self.update_hook is not None:
195
307
            self.update_hook()
196
 
    
197
 
    def delete(self):
 
308
 
 
309
    def update_timer(self):
 
310
        """called by GLib. Will indefinitely loop until
 
311
        GLib.source_remove() on tag is called
 
312
        """
 
313
        self.update()
 
314
        return True             # Keep calling this
 
315
 
 
316
    def delete(self, **kwargs):
 
317
        if self._update_timer_callback_tag is not None:
 
318
            GLib.source_remove(self._update_timer_callback_tag)
 
319
            self._update_timer_callback_tag = None
 
320
        for match in self.match_objects:
 
321
            match.remove()
 
322
        self.match_objects = ()
198
323
        if self.delete_hook is not None:
199
324
            self.delete_hook(self)
200
 
    
201
 
    def render(self, (maxcol,), focus=False):
 
325
        return super(MandosClientWidget, self).delete(**kwargs)
 
326
 
 
327
    def render(self, maxcolrow, focus=False):
202
328
        """Render differently if we have focus.
203
329
        This overrides the method from urwid.FlowWidget"""
204
 
        return self.current_widget(focus).render((maxcol,),
 
330
        return self.current_widget(focus).render(maxcolrow,
205
331
                                                 focus=focus)
206
 
    
207
 
    def keypress(self, (maxcol,), key):
 
332
 
 
333
    def keypress(self, maxcolrow, key):
208
334
        """Handle keys.
209
335
        This overrides the method from urwid.FlowWidget"""
210
 
        if key == u"e" or key == u"+":
211
 
            self.proxy.Enable()
212
 
        elif key == u"d" or key == u"-":
213
 
            self.proxy.Disable()
214
 
        elif key == u"r" or key == u"_" or key == u"ctrl k":
 
336
        if key == "+":
 
337
            self.proxy.Set(client_interface, "Enabled",
 
338
                           dbus.Boolean(True), ignore_reply=True,
 
339
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
340
        elif key == "-":
 
341
            self.proxy.Set(client_interface, "Enabled", False,
 
342
                           ignore_reply=True,
 
343
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
344
        elif key == "a":
 
345
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
 
346
                               dbus_interface=client_interface,
 
347
                               ignore_reply=True)
 
348
        elif key == "d":
 
349
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
 
350
                               dbus_interface=client_interface,
 
351
                               ignore_reply=True)
 
352
        elif key == "R" or key == "_" or key == "ctrl k":
215
353
            self.server_proxy_object.RemoveClient(self.proxy
216
 
                                                  .object_path)
217
 
        elif key == u"s":
218
 
            self.proxy.StartChecker()
219
 
        elif key == u"S":
220
 
            self.proxy.StopChecker()
221
 
        elif key == u"C":
222
 
            self.proxy.CheckedOK()
 
354
                                                  .object_path,
 
355
                                                  ignore_reply=True)
 
356
        elif key == "s":
 
357
            self.proxy.Set(client_interface, "CheckerRunning",
 
358
                           dbus.Boolean(True), ignore_reply=True,
 
359
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
360
        elif key == "S":
 
361
            self.proxy.Set(client_interface, "CheckerRunning",
 
362
                           dbus.Boolean(False), ignore_reply=True,
 
363
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
364
        elif key == "C":
 
365
            self.proxy.CheckedOK(dbus_interface=client_interface,
 
366
                                 ignore_reply=True)
223
367
        # xxx
224
 
#         elif key == u"p" or key == "=":
 
368
#         elif key == "p" or key == "=":
225
369
#             self.proxy.pause()
226
 
#         elif key == u"u" or key == ":":
 
370
#         elif key == "u" or key == ":":
227
371
#             self.proxy.unpause()
228
 
#         elif key == u"RET":
 
372
#         elif key == "RET":
229
373
#             self.open()
230
374
        else:
231
375
            return key
232
 
    
233
 
    def property_changed(self, property=None, value=None,
234
 
                         *args, **kwargs):
235
 
        """Call self.update() if old value is not new value.
 
376
 
 
377
    def properties_changed(self, interface, properties, invalidated):
 
378
        """Call self.update() if any properties changed.
236
379
        This overrides the method from MandosClientPropertyCache"""
237
 
        property_name = unicode(property)
238
 
        old_value = self.properties.get(property_name)
239
 
        super(MandosClientWidget, self).property_changed(
240
 
            property=property, value=value, *args, **kwargs)
241
 
        if self.properties.get(property_name) != old_value:
 
380
        old_values = {key: self.properties.get(key)
 
381
                      for key in properties.keys()}
 
382
        super(MandosClientWidget, self).properties_changed(
 
383
            interface, properties, invalidated)
 
384
        if any(old_values[key] != self.properties.get(key)
 
385
               for key in old_values):
242
386
            self.update()
243
387
 
244
388
 
247
391
    "down" key presses, thus not allowing any containing widgets to
248
392
    use them as an excuse to shift focus away from this widget.
249
393
    """
250
 
    def keypress(self, (maxcol, maxrow), key):
251
 
        ret = super(ConstrainedListBox, self).keypress((maxcol, maxrow), key)
252
 
        if ret in (u"up", u"down"):
 
394
    def keypress(self, *args, **kwargs):
 
395
        ret = (super(ConstrainedListBox, self)
 
396
               .keypress(*args, **kwargs))
 
397
        if ret in ("up", "down"):
253
398
            return
254
399
        return ret
255
400
 
258
403
    """This is the entire user interface - the whole screen
259
404
    with boxes, lists of client widgets, etc.
260
405
    """
261
 
    def __init__(self, max_log_length=1000):
 
406
    def __init__(self, max_log_length=1000, log_level=1):
262
407
        DBusGMainLoop(set_as_default=True)
263
 
        
 
408
 
264
409
        self.screen = urwid.curses_display.Screen()
265
 
        
 
410
 
266
411
        self.screen.register_palette((
267
 
                (u"normal",
268
 
                 u"default", u"default", None),
269
 
                (u"bold",
270
 
                 u"default", u"default", u"bold"),
271
 
                (u"underline-blink",
272
 
                 u"default", u"default", u"underline"),
273
 
                (u"standout",
274
 
                 u"default", u"default", u"standout"),
275
 
                (u"bold-underline-blink",
276
 
                 u"default", u"default", (u"bold", u"underline")),
277
 
                (u"bold-standout",
278
 
                 u"default", u"default", (u"bold", u"standout")),
279
 
                (u"underline-blink-standout",
280
 
                 u"default", u"default", (u"underline", u"standout")),
281
 
                (u"bold-underline-blink-standout",
282
 
                 u"default", u"default", (u"bold", u"underline",
283
 
                                          u"standout")),
 
412
                ("normal",
 
413
                 "default", "default", None),
 
414
                ("bold",
 
415
                 "bold", "default", "bold"),
 
416
                ("underline-blink",
 
417
                 "underline,blink", "default", "underline,blink"),
 
418
                ("standout",
 
419
                 "standout", "default", "standout"),
 
420
                ("bold-underline-blink",
 
421
                 "bold,underline,blink", "default",
 
422
                 "bold,underline,blink"),
 
423
                ("bold-standout",
 
424
                 "bold,standout", "default", "bold,standout"),
 
425
                ("underline-blink-standout",
 
426
                 "underline,blink,standout", "default",
 
427
                 "underline,blink,standout"),
 
428
                ("bold-underline-blink-standout",
 
429
                 "bold,underline,blink,standout", "default",
 
430
                 "bold,underline,blink,standout"),
284
431
                ))
285
 
        
 
432
 
286
433
        if urwid.supports_unicode():
287
 
            self.divider = u"─" # \u2500
288
 
            #self.divider = u"━" # \u2501
 
434
            self.divider = "─"  # \u2500
289
435
        else:
290
 
            #self.divider = u"-" # \u002d
291
 
            self.divider = u"_" # \u005f
292
 
        
 
436
            self.divider = "_"  # \u005f
 
437
 
293
438
        self.screen.start()
294
 
        
 
439
 
295
440
        self.size = self.screen.get_cols_rows()
296
 
        
 
441
 
297
442
        self.clients = urwid.SimpleListWalker([])
298
443
        self.clients_dict = {}
299
 
        
 
444
 
300
445
        # We will add Text widgets to this list
301
446
        self.log = []
302
447
        self.max_log_length = max_log_length
303
 
        
 
448
 
 
449
        self.log_level = log_level
 
450
 
304
451
        # We keep a reference to the log widget so we can remove it
305
452
        # from the ListWalker without it getting destroyed
306
453
        self.logbox = ConstrainedListBox(self.log)
307
 
        
 
454
 
308
455
        # This keeps track of whether self.uilist currently has
309
456
        # self.logbox in it or not
310
457
        self.log_visible = True
311
 
        self.log_wrap = u"any"
312
 
        
 
458
        self.log_wrap = "any"
 
459
 
313
460
        self.rebuild()
314
 
        self.log_message_raw((u"bold",
315
 
                              u"Mandos Monitor version " + version))
316
 
        self.log_message_raw((u"bold",
317
 
                              u"q: Quit  ?: Help"))
318
 
        
 
461
        self.log_message_raw(("bold",
 
462
                              "Mandos Monitor version " + version))
 
463
        self.log_message_raw(("bold",
 
464
                              "q: Quit  ?: Help"))
 
465
 
319
466
        self.busname = domain + '.Mandos'
320
 
        self.main_loop = gobject.MainLoop()
321
 
        self.bus = dbus.SystemBus()
322
 
        mandos_dbus_objc = self.bus.get_object(
323
 
            self.busname, u"/", follow_name_owner_changes=True)
324
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
325
 
                                          dbus_interface
326
 
                                          = server_interface)
327
 
        try:
328
 
            mandos_clients = (self.mandos_serv
329
 
                              .GetAllClientsWithProperties())
330
 
        except dbus.exceptions.DBusException:
331
 
            mandos_clients = dbus.Dictionary()
332
 
        
333
 
        (self.mandos_serv
334
 
         .connect_to_signal(u"ClientRemoved",
335
 
                            self.find_and_remove_client,
336
 
                            dbus_interface=server_interface,
337
 
                            byte_arrays=True))
338
 
        (self.mandos_serv
339
 
         .connect_to_signal(u"ClientAdded",
340
 
                            self.add_new_client,
341
 
                            dbus_interface=server_interface,
342
 
                            byte_arrays=True))
343
 
        (self.mandos_serv
344
 
         .connect_to_signal(u"ClientNotFound",
345
 
                            self.client_not_found,
346
 
                            dbus_interface=server_interface,
347
 
                            byte_arrays=True))
348
 
        for path, client in mandos_clients.iteritems():
349
 
            client_proxy_object = self.bus.get_object(self.busname,
350
 
                                                      path)
351
 
            self.add_client(MandosClientWidget(server_proxy_object
352
 
                                               =self.mandos_serv,
353
 
                                               proxy_object
354
 
                                               =client_proxy_object,
355
 
                                               properties=client,
356
 
                                               update_hook
357
 
                                               =self.refresh,
358
 
                                               delete_hook
359
 
                                               =self.remove_client,
360
 
                                               logger
361
 
                                               =self.log_message),
362
 
                            path=path)
363
 
    
 
467
        self.main_loop = GLib.MainLoop()
 
468
 
364
469
    def client_not_found(self, fingerprint, address):
365
 
        self.log_message((u"Client with address %s and fingerprint %s"
366
 
                          u" could not be found" % (address,
367
 
                                                    fingerprint)))
368
 
    
 
470
        self.log_message("Client with address {} and fingerprint {}"
 
471
                         " could not be found"
 
472
                         .format(address, fingerprint))
 
473
 
369
474
    def rebuild(self):
370
475
        """This rebuilds the User Interface.
371
476
        Call this when the widget layout needs to change"""
372
477
        self.uilist = []
373
 
        #self.uilist.append(urwid.ListBox(self.clients))
374
 
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
375
 
                                       #header=urwid.Divider(),
 
478
        # self.uilist.append(urwid.ListBox(self.clients))
 
479
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
 
480
                                                          clients),
 
481
                                       # header=urwid.Divider(),
376
482
                                       header=None,
377
 
                                       footer=urwid.Divider(div_char=self.divider)))
 
483
                                       footer=urwid.Divider(
 
484
                                           div_char=self.divider)))
378
485
        if self.log_visible:
379
486
            self.uilist.append(self.logbox)
380
 
            pass
381
487
        self.topwidget = urwid.Pile(self.uilist)
382
 
    
383
 
    def log_message(self, message):
 
488
 
 
489
    def log_message(self, message, level=1):
 
490
        """Log message formatted with timestamp"""
 
491
        if level < self.log_level:
 
492
            return
384
493
        timestamp = datetime.datetime.now().isoformat()
385
 
        self.log_message_raw(timestamp + u": " + message)
386
 
    
387
 
    def log_message_raw(self, markup):
 
494
        self.log_message_raw("{}: {}".format(timestamp, message),
 
495
                             level=level)
 
496
 
 
497
    def log_message_raw(self, markup, level=1):
388
498
        """Add a log message to the log buffer."""
 
499
        if level < self.log_level:
 
500
            return
389
501
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
390
 
        if (self.max_log_length
391
 
            and len(self.log) > self.max_log_length):
392
 
            del self.log[0:len(self.log)-self.max_log_length-1]
 
502
        if self.max_log_length:
 
503
            if len(self.log) > self.max_log_length:
 
504
                del self.log[0:len(self.log)-self.max_log_length-1]
393
505
        self.logbox.set_focus(len(self.logbox.body.contents),
394
 
                              coming_from=u"above")
 
506
                              coming_from="above")
395
507
        self.refresh()
396
 
    
 
508
 
397
509
    def toggle_log_display(self):
398
510
        """Toggle visibility of the log buffer."""
399
511
        self.log_visible = not self.log_visible
400
512
        self.rebuild()
401
 
        self.log_message(u"Log visibility changed to: "
402
 
                         + unicode(self.log_visible))
403
 
    
 
513
        self.log_message("Log visibility changed to: {}"
 
514
                         .format(self.log_visible), level=0)
 
515
 
404
516
    def change_log_display(self):
405
517
        """Change type of log display.
406
518
        Currently, this toggles wrapping of text lines."""
407
 
        if self.log_wrap == u"clip":
408
 
            self.log_wrap = u"any"
 
519
        if self.log_wrap == "clip":
 
520
            self.log_wrap = "any"
409
521
        else:
410
 
            self.log_wrap = u"clip"
 
522
            self.log_wrap = "clip"
411
523
        for textwidget in self.log:
412
524
            textwidget.set_wrap_mode(self.log_wrap)
413
 
        self.log_message(u"Wrap mode: " + self.log_wrap)
414
 
    
415
 
    def find_and_remove_client(self, path, name):
416
 
        """Find an client from its object path and remove it.
417
 
        
418
 
        This is connected to the ClientRemoved signal from the
 
525
        self.log_message("Wrap mode: {}".format(self.log_wrap),
 
526
                         level=0)
 
527
 
 
528
    def find_and_remove_client(self, path, interfaces):
 
529
        """Find a client by its object path and remove it.
 
530
 
 
531
        This is connected to the InterfacesRemoved signal from the
419
532
        Mandos server object."""
 
533
        if client_interface not in interfaces:
 
534
            # Not a Mandos client object; ignore
 
535
            return
420
536
        try:
421
537
            client = self.clients_dict[path]
422
538
        except KeyError:
423
539
            # not found?
424
 
            return
425
 
        self.remove_client(client, path)
426
 
    
427
 
    def add_new_client(self, path, properties):
 
540
            self.log_message("Unknown client {!r} removed"
 
541
                             .format(path))
 
542
            return
 
543
        client.delete()
 
544
 
 
545
    def add_new_client(self, path, ifs_and_props):
 
546
        """Find a client by its object path and remove it.
 
547
 
 
548
        This is connected to the InterfacesAdded signal from the
 
549
        Mandos server object.
 
550
        """
 
551
        if client_interface not in ifs_and_props:
 
552
            # Not a Mandos client object; ignore
 
553
            return
428
554
        client_proxy_object = self.bus.get_object(self.busname, path)
429
 
        self.add_client(MandosClientWidget(server_proxy_object
430
 
                                           =self.mandos_serv,
431
 
                                           proxy_object
432
 
                                           =client_proxy_object,
433
 
                                           properties=properties,
434
 
                                           update_hook
435
 
                                           =self.refresh,
436
 
                                           delete_hook
437
 
                                           =self.remove_client),
 
555
        self.add_client(MandosClientWidget(
 
556
            server_proxy_object=self.mandos_serv,
 
557
            proxy_object=client_proxy_object,
 
558
            update_hook=self.refresh,
 
559
            delete_hook=self.remove_client,
 
560
            logger=self.log_message,
 
561
            properties=dict(ifs_and_props[client_interface])),
438
562
                        path=path)
439
 
    
 
563
 
440
564
    def add_client(self, client, path=None):
441
565
        self.clients.append(client)
442
566
        if path is None:
443
567
            path = client.proxy.object_path
444
568
        self.clients_dict[path] = client
445
 
        self.clients.sort(None, lambda c: c.properties[u"name"])
 
569
        self.clients.sort(key=lambda c: c.properties["Name"])
446
570
        self.refresh()
447
 
    
 
571
 
448
572
    def remove_client(self, client, path=None):
449
573
        self.clients.remove(client)
450
574
        if path is None:
451
575
            path = client.proxy.object_path
452
576
        del self.clients_dict[path]
453
 
        if not self.clients_dict:
454
 
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
455
 
            # is completely emptied, we need to recreate it.
456
 
            self.clients = urwid.SimpleListWalker([])
457
 
            self.rebuild()
458
577
        self.refresh()
459
 
    
 
578
 
460
579
    def refresh(self):
461
580
        """Redraw the screen"""
462
581
        canvas = self.topwidget.render(self.size, focus=True)
463
582
        self.screen.draw_screen(self.size, canvas)
464
 
    
 
583
 
465
584
    def run(self):
466
585
        """Start the main loop and exit when it's done."""
 
586
        self.bus = dbus.SystemBus()
 
587
        mandos_dbus_objc = self.bus.get_object(
 
588
            self.busname, "/", follow_name_owner_changes=True)
 
589
        self.mandos_serv = dbus.Interface(
 
590
            mandos_dbus_objc, dbus_interface=server_interface)
 
591
        try:
 
592
            mandos_clients = (self.mandos_serv
 
593
                              .GetAllClientsWithProperties())
 
594
            if not mandos_clients:
 
595
                self.log_message_raw(("bold",
 
596
                                      "Note: Server has no clients."))
 
597
        except dbus.exceptions.DBusException:
 
598
            self.log_message_raw(("bold",
 
599
                                  "Note: No Mandos server running."))
 
600
            mandos_clients = dbus.Dictionary()
 
601
 
 
602
        (self.mandos_serv
 
603
         .connect_to_signal("InterfacesRemoved",
 
604
                            self.find_and_remove_client,
 
605
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
606
                            byte_arrays=True))
 
607
        (self.mandos_serv
 
608
         .connect_to_signal("InterfacesAdded",
 
609
                            self.add_new_client,
 
610
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
611
                            byte_arrays=True))
 
612
        (self.mandos_serv
 
613
         .connect_to_signal("ClientNotFound",
 
614
                            self.client_not_found,
 
615
                            dbus_interface=server_interface,
 
616
                            byte_arrays=True))
 
617
        for path, client in mandos_clients.items():
 
618
            client_proxy_object = self.bus.get_object(self.busname,
 
619
                                                      path)
 
620
            self.add_client(MandosClientWidget(
 
621
                server_proxy_object=self.mandos_serv,
 
622
                proxy_object=client_proxy_object,
 
623
                properties=client,
 
624
                update_hook=self.refresh,
 
625
                delete_hook=self.remove_client,
 
626
                logger=self.log_message),
 
627
                            path=path)
 
628
 
467
629
        self.refresh()
468
 
        self._input_callback_tag = (gobject.io_add_watch
 
630
        self._input_callback_tag = (GLib.io_add_watch
469
631
                                    (sys.stdin.fileno(),
470
 
                                     gobject.IO_IN,
 
632
                                     GLib.IO_IN,
471
633
                                     self.process_input))
472
634
        self.main_loop.run()
473
635
        # Main loop has finished, we should close everything now
474
 
        gobject.source_remove(self._input_callback_tag)
 
636
        GLib.source_remove(self._input_callback_tag)
475
637
        self.screen.stop()
476
 
    
 
638
 
477
639
    def stop(self):
478
640
        self.main_loop.quit()
479
 
    
 
641
 
480
642
    def process_input(self, source, condition):
481
643
        keys = self.screen.get_input()
482
 
        translations = { u"ctrl n": u"down",      # Emacs
483
 
                         u"ctrl p": u"up",        # Emacs
484
 
                         u"ctrl v": u"page down", # Emacs
485
 
                         u"meta v": u"page up",   # Emacs
486
 
                         u" ": u"page down",      # less
487
 
                         u"f": u"page down",      # less
488
 
                         u"b": u"page up",        # less
489
 
                         u"j": u"down",           # vi
490
 
                         u"k": u"up",             # vi
491
 
                         }
 
644
        translations = {"ctrl n": "down",       # Emacs
 
645
                        "ctrl p": "up",         # Emacs
 
646
                        "ctrl v": "page down",  # Emacs
 
647
                        "meta v": "page up",    # Emacs
 
648
                        " ": "page down",       # less
 
649
                        "f": "page down",       # less
 
650
                        "b": "page up",         # less
 
651
                        "j": "down",            # vi
 
652
                        "k": "up",              # vi
 
653
                        }
492
654
        for key in keys:
493
655
            try:
494
656
                key = translations[key]
495
657
            except KeyError:    # :-)
496
658
                pass
497
 
            
498
 
            if key == u"q" or key == u"Q":
 
659
 
 
660
            if key == "q" or key == "Q":
499
661
                self.stop()
500
662
                break
501
 
            elif key == u"window resize":
 
663
            elif key == "window resize":
502
664
                self.size = self.screen.get_cols_rows()
503
665
                self.refresh()
504
 
            elif key == u"\f":  # Ctrl-L
 
666
            elif key == "ctrl l":
 
667
                self.screen.clear()
505
668
                self.refresh()
506
 
            elif key == u"l" or key == u"D":
 
669
            elif key == "l" or key == "D":
507
670
                self.toggle_log_display()
508
671
                self.refresh()
509
 
            elif key == u"w" or key == u"i":
 
672
            elif key == "w" or key == "i":
510
673
                self.change_log_display()
511
674
                self.refresh()
512
 
            elif key == u"?" or key == u"f1" or key == u"esc":
 
675
            elif key == "?" or key == "f1" or key == "esc":
513
676
                if not self.log_visible:
514
677
                    self.log_visible = True
515
678
                    self.rebuild()
516
 
                self.log_message_raw((u"bold",
517
 
                                      u"  ".
518
 
                                      join((u"q: Quit",
519
 
                                            u"?: Help",
520
 
                                            u"l: Log window toggle",
521
 
                                            u"TAB: Switch window",
522
 
                                            u"w: Wrap (log)"))))
523
 
                self.log_message_raw((u"bold",
524
 
                                      u"  "
525
 
                                      .join((u"Clients:",
526
 
                                             u"e: Enable",
527
 
                                             u"d: Disable",
528
 
                                             u"r: Remove",
529
 
                                             u"s: Start new checker",
530
 
                                             u"S: Stop checker",
531
 
                                             u"C: Checker OK"))))
 
679
                self.log_message_raw(("bold",
 
680
                                      "  ".
 
681
                                      join(("q: Quit",
 
682
                                            "?: Help",
 
683
                                            "l: Log window toggle",
 
684
                                            "TAB: Switch window",
 
685
                                            "w: Wrap (log lines)",
 
686
                                            "v: Toggle verbose log",
 
687
                                            ))))
 
688
                self.log_message_raw(("bold",
 
689
                                      "  "
 
690
                                      .join(("Clients:",
 
691
                                             "+: Enable",
 
692
                                             "-: Disable",
 
693
                                             "R: Remove",
 
694
                                             "s: Start new checker",
 
695
                                             "S: Stop checker",
 
696
                                             "C: Checker OK",
 
697
                                             "a: Approve",
 
698
                                             "d: Deny"))))
532
699
                self.refresh()
533
 
            elif key == u"tab":
 
700
            elif key == "tab":
534
701
                if self.topwidget.get_focus() is self.logbox:
535
702
                    self.topwidget.set_focus(0)
536
703
                else:
537
704
                    self.topwidget.set_focus(self.logbox)
538
705
                self.refresh()
539
 
            #elif (key == u"end" or key == u"meta >" or key == u"G"
540
 
            #      or key == u">"):
541
 
            #    pass            # xxx end-of-buffer
542
 
            #elif (key == u"home" or key == u"meta <" or key == u"g"
543
 
            #      or key == u"<"):
544
 
            #    pass            # xxx beginning-of-buffer
545
 
            #elif key == u"ctrl e" or key == u"$":
546
 
            #    pass            # xxx move-end-of-line
547
 
            #elif key == u"ctrl a" or key == u"^":
548
 
            #    pass            # xxx move-beginning-of-line
549
 
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
550
 
            #    pass            # xxx left
551
 
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
552
 
            #    pass            # xxx right
553
 
            #elif key == u"a":
554
 
            #    pass            # scroll up log
555
 
            #elif key == u"z":
556
 
            #    pass            # scroll down log
 
706
            elif key == "v":
 
707
                if self.log_level == 0:
 
708
                    self.log_level = 1
 
709
                    self.log_message("Verbose mode: Off")
 
710
                else:
 
711
                    self.log_level = 0
 
712
                    self.log_message("Verbose mode: On")
 
713
            # elif (key == "end" or key == "meta >" or key == "G"
 
714
            #       or key == ">"):
 
715
            #     pass            # xxx end-of-buffer
 
716
            # elif (key == "home" or key == "meta <" or key == "g"
 
717
            #       or key == "<"):
 
718
            #     pass            # xxx beginning-of-buffer
 
719
            # elif key == "ctrl e" or key == "$":
 
720
            #     pass            # xxx move-end-of-line
 
721
            # elif key == "ctrl a" or key == "^":
 
722
            #     pass            # xxx move-beginning-of-line
 
723
            # elif key == "ctrl b" or key == "meta (" or key == "h":
 
724
            #     pass            # xxx left
 
725
            # elif key == "ctrl f" or key == "meta )" or key == "l":
 
726
            #     pass            # xxx right
 
727
            # elif key == "a":
 
728
            #     pass            # scroll up log
 
729
            # elif key == "z":
 
730
            #     pass            # scroll down log
557
731
            elif self.topwidget.selectable():
558
732
                self.topwidget.keypress(self.size, key)
559
733
                self.refresh()
560
734
        return True
561
735
 
 
736
 
562
737
ui = UserInterface()
563
738
try:
564
739
    ui.run()
565
 
except:
 
740
except KeyboardInterrupt:
 
741
    ui.screen.stop()
 
742
except Exception as e:
 
743
    ui.log_message(str(e))
566
744
    ui.screen.stop()
567
745
    raise