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  • Committer: Teddy Hogeborn
  • Date: 2011-04-02 06:37:18 UTC
  • Revision ID: teddy@fukt.bsnet.se-20110402063718-13ldrcuu0t33sdc4
* mandos: Tolerate restarting Avahi servers.  Also Changed to new
          "except x as y" exception syntax.
  (AvahiService.entry_group_state_changed_match): New; contains the
                                                  SignalMatch object.
  (AvahiService.remove): Really remove the group and the signal
                         connection, if any.
  (AvahiService.add): Always create a new group and signal connection.
  (AvahiService.cleanup): Changed to simply call remove().
  (AvahiService.server_state_changed): Handle and log more bad states.
  (AvahiService.activate): Set "follow_name_owner_changes=True" on the
                           Avahi Server proxy object.
  (ClientDBus.checked_ok): Do not return anything.
  (ClientDBus.CheckedOK): Do not return anything, as documented.
* mandos-monitor: Call D-Bus methods asynchronously.

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mandos-monitor
3
3
# 
4
4
# Mandos Monitor - Control and monitor the Mandos server
5
5
# 
6
 
# Copyright © 2009-2016 Teddy Hogeborn
7
 
# Copyright © 2009-2016 Björn Påhlsson
 
6
# Copyright © 2009-2011 Teddy Hogeborn
 
7
# Copyright © 2009-2011 Björn Påhlsson
8
8
# 
9
9
# This program is free software: you can redistribute it and/or modify
10
10
# it under the terms of the GNU General Public License as published by
17
17
#     GNU General Public License for more details.
18
18
# 
19
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/>.
 
20
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
22
21
# 
23
 
# Contact the authors at <mandos@recompile.se>.
 
22
# Contact the authors at <mandos@fukt.bsnet.se>.
24
23
# 
25
24
 
26
 
from __future__ import (division, absolute_import, print_function,
27
 
                        unicode_literals)
28
 
try:
29
 
    from future_builtins import *
30
 
except ImportError:
31
 
    pass
 
25
from __future__ import division, absolute_import, print_function, unicode_literals
32
26
 
33
27
import sys
34
28
import os
 
29
import signal
35
30
 
36
31
import datetime
37
32
 
39
34
import urwid
40
35
 
41
36
from dbus.mainloop.glib import DBusGMainLoop
42
 
try:
43
 
    from gi.repository import GObject
44
 
except ImportError:
45
 
    import gobject as GObject
 
37
import gobject
46
38
 
47
39
import dbus
48
40
 
 
41
import UserList
 
42
 
49
43
import locale
50
44
 
51
 
if sys.version_info.major == 2:
52
 
    str = unicode
53
 
 
54
45
locale.setlocale(locale.LC_ALL, '')
55
46
 
56
47
import logging
57
48
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
58
49
 
59
50
# Some useful constants
60
 
domain = 'se.recompile'
 
51
domain = 'se.bsnet.fukt'
61
52
server_interface = domain + '.Mandos'
62
53
client_interface = domain + '.Mandos.Client'
63
 
version = "1.7.3"
64
 
 
65
 
try:
66
 
    dbus.OBJECT_MANAGER_IFACE
67
 
except AttributeError:
68
 
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
 
54
version = "1.3.0"
 
55
 
 
56
# Always run in monochrome mode
 
57
urwid.curses_display.curses.has_colors = lambda : False
 
58
 
 
59
# Urwid doesn't support blinking, but we want it.  Since we have no
 
60
# use for underline on its own, we make underline also always blink.
 
61
urwid.curses_display.curses.A_UNDERLINE |= (
 
62
    urwid.curses_display.curses.A_BLINK)
69
63
 
70
64
def isoformat_to_datetime(iso):
71
65
    "Parse an ISO 8601 date string to a datetime.datetime()"
88
82
    properties and calls a hook function when any of them are
89
83
    changed.
90
84
    """
91
 
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
85
    def __init__(self, proxy_object=None, *args, **kwargs):
92
86
        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(
102
 
                self.proxy.GetAll(client_interface,
103
 
                                  dbus_interface
104
 
                                  = dbus.PROPERTIES_IFACE))
105
 
        
106
 
        super(MandosClientPropertyCache, self).__init__(**kwargs)
 
87
        
 
88
        self.properties = dict()
 
89
        self.proxy.connect_to_signal("PropertyChanged",
 
90
                                     self.property_changed,
 
91
                                     client_interface,
 
92
                                     byte_arrays=True)
 
93
        
 
94
        self.properties.update(
 
95
            self.proxy.GetAll(client_interface,
 
96
                              dbus_interface = dbus.PROPERTIES_IFACE))
 
97
 
 
98
        #XXX This break good super behaviour!
 
99
#        super(MandosClientPropertyCache, self).__init__(
 
100
#            *args, **kwargs)
107
101
    
108
 
    def properties_changed(self, interface, properties, invalidated):
109
 
        """This is called whenever we get a PropertiesChanged signal
110
 
        It updates the changed properties in the "properties" dict.
 
102
    def property_changed(self, property=None, value=None):
 
103
        """This is called whenever we get a PropertyChanged signal
 
104
        It updates the changed property in the "properties" dict.
111
105
        """
112
106
        # Update properties dict with new value
113
 
        if interface == client_interface:
114
 
            self.properties.update(properties)
115
 
    
116
 
    def delete(self):
117
 
        self.property_changed_match.remove()
 
107
        self.properties[property] = value
118
108
 
119
109
 
120
110
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
122
112
    """
123
113
    
124
114
    def __init__(self, server_proxy_object=None, update_hook=None,
125
 
                 delete_hook=None, logger=None, **kwargs):
 
115
                 delete_hook=None, logger=None, *args, **kwargs):
126
116
        # Called on update
127
117
        self.update_hook = update_hook
128
118
        # Called on delete
133
123
        self.logger = logger
134
124
        
135
125
        self._update_timer_callback_tag = None
 
126
        self._update_timer_callback_lock = 0
 
127
        self.last_checker_failed = False
136
128
        
137
129
        # The widget shown normally
138
130
        self._text_widget = urwid.Text("")
139
131
        # The widget shown when we have focus
140
132
        self._focus_text_widget = urwid.Text("")
141
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
133
        super(MandosClientWidget, self).__init__(
 
134
            update_hook=update_hook, delete_hook=delete_hook,
 
135
            *args, **kwargs)
142
136
        self.update()
143
137
        self.opened = False
144
138
        
145
 
        self.match_objects = (
146
 
            self.proxy.connect_to_signal("CheckerCompleted",
147
 
                                         self.checker_completed,
148
 
                                         client_interface,
149
 
                                         byte_arrays=True),
150
 
            self.proxy.connect_to_signal("CheckerStarted",
151
 
                                         self.checker_started,
152
 
                                         client_interface,
153
 
                                         byte_arrays=True),
154
 
            self.proxy.connect_to_signal("GotSecret",
155
 
                                         self.got_secret,
156
 
                                         client_interface,
157
 
                                         byte_arrays=True),
158
 
            self.proxy.connect_to_signal("NeedApproval",
159
 
                                         self.need_approval,
160
 
                                         client_interface,
161
 
                                         byte_arrays=True),
162
 
            self.proxy.connect_to_signal("Rejected",
163
 
                                         self.rejected,
164
 
                                         client_interface,
165
 
                                         byte_arrays=True))
166
 
        self.logger('Created client {}'
167
 
                    .format(self.properties["Name"]), level=0)
 
139
        last_checked_ok = isoformat_to_datetime(self.properties
 
140
                                                ["LastCheckedOK"])
 
141
        if last_checked_ok is None:
 
142
            self.last_checker_failed = True
 
143
        else:
 
144
            self.last_checker_failed = ((datetime.datetime.utcnow()
 
145
                                         - last_checked_ok)
 
146
                                        > datetime.timedelta
 
147
                                        (milliseconds=
 
148
                                         self.properties
 
149
                                         ["Interval"]))
 
150
        
 
151
        if self.last_checker_failed:
 
152
            self.using_timer(True)
 
153
        
 
154
        if self.need_approval:
 
155
            self.using_timer(True)
 
156
        
 
157
        self.proxy.connect_to_signal("CheckerCompleted",
 
158
                                     self.checker_completed,
 
159
                                     client_interface,
 
160
                                     byte_arrays=True)
 
161
        self.proxy.connect_to_signal("CheckerStarted",
 
162
                                     self.checker_started,
 
163
                                     client_interface,
 
164
                                     byte_arrays=True)
 
165
        self.proxy.connect_to_signal("GotSecret",
 
166
                                     self.got_secret,
 
167
                                     client_interface,
 
168
                                     byte_arrays=True)
 
169
        self.proxy.connect_to_signal("NeedApproval",
 
170
                                     self.need_approval,
 
171
                                     client_interface,
 
172
                                     byte_arrays=True)
 
173
        self.proxy.connect_to_signal("Rejected",
 
174
                                     self.rejected,
 
175
                                     client_interface,
 
176
                                     byte_arrays=True)
168
177
    
 
178
    def property_changed(self, property=None, value=None):
 
179
        super(self, MandosClientWidget).property_changed(property,
 
180
                                                         value)
 
181
        if property == "ApprovalPending":
 
182
            using_timer(bool(value))
 
183
        
169
184
    def using_timer(self, flag):
170
185
        """Call this method with True or False when timer should be
171
186
        activated or deactivated.
172
187
        """
173
 
        if flag and self._update_timer_callback_tag is None:
174
 
            # Will update the shown timer value every second
175
 
            self._update_timer_callback_tag = (GObject.timeout_add
 
188
        old = self._update_timer_callback_lock
 
189
        if flag:
 
190
            self._update_timer_callback_lock += 1
 
191
        else:
 
192
            self._update_timer_callback_lock -= 1
 
193
        if old == 0 and self._update_timer_callback_lock:
 
194
            self._update_timer_callback_tag = (gobject.timeout_add
176
195
                                               (1000,
177
196
                                                self.update_timer))
178
 
        elif not (flag or self._update_timer_callback_tag is None):
179
 
            GObject.source_remove(self._update_timer_callback_tag)
 
197
        elif old and self._update_timer_callback_lock == 0:
 
198
            gobject.source_remove(self._update_timer_callback_tag)
180
199
            self._update_timer_callback_tag = None
181
200
    
182
201
    def checker_completed(self, exitstatus, condition, command):
183
202
        if exitstatus == 0:
184
 
            self.logger('Checker for client {} (command "{}")'
185
 
                        ' succeeded'.format(self.properties["Name"],
186
 
                                            command), level=0)
 
203
            if self.last_checker_failed:
 
204
                self.last_checker_failed = False
 
205
                self.using_timer(False)
 
206
            #self.logger('Checker for client %s (command "%s")'
 
207
            #            ' was successful'
 
208
            #            % (self.properties["Name"], command))
187
209
            self.update()
188
210
            return
189
211
        # Checker failed
 
212
        if not self.last_checker_failed:
 
213
            self.last_checker_failed = True
 
214
            self.using_timer(True)
190
215
        if os.WIFEXITED(condition):
191
 
            self.logger('Checker for client {} (command "{}") failed'
192
 
                        ' with exit code {}'
193
 
                        .format(self.properties["Name"], command,
194
 
                                os.WEXITSTATUS(condition)))
 
216
            self.logger('Checker for client %s (command "%s")'
 
217
                        ' failed with exit code %s'
 
218
                        % (self.properties["Name"], command,
 
219
                           os.WEXITSTATUS(condition)))
195
220
        elif os.WIFSIGNALED(condition):
196
 
            self.logger('Checker for client {} (command "{}") was'
197
 
                        ' killed by signal {}'
198
 
                        .format(self.properties["Name"], command,
199
 
                                os.WTERMSIG(condition)))
 
221
            self.logger('Checker for client %s (command "%s")'
 
222
                        ' was killed by signal %s'
 
223
                        % (self.properties["Name"], command,
 
224
                           os.WTERMSIG(condition)))
 
225
        elif os.WCOREDUMP(condition):
 
226
            self.logger('Checker for client %s (command "%s")'
 
227
                        ' dumped core'
 
228
                        % (self.properties["Name"], command))
 
229
        else:
 
230
            self.logger('Checker for client %s completed'
 
231
                        ' mysteriously')
200
232
        self.update()
201
233
    
202
234
    def checker_started(self, command):
203
 
        """Server signals that a checker started."""
204
 
        self.logger('Client {} started checker "{}"'
205
 
                    .format(self.properties["Name"],
206
 
                            command), level=0)
 
235
        #self.logger('Client %s started checker "%s"'
 
236
        #            % (self.properties["Name"], unicode(command)))
 
237
        pass
207
238
    
208
239
    def got_secret(self):
209
 
        self.logger('Client {} received its secret'
210
 
                    .format(self.properties["Name"]))
 
240
        self.last_checker_failed = False
 
241
        self.logger('Client %s received its secret'
 
242
                    % self.properties["Name"])
211
243
    
212
244
    def need_approval(self, timeout, default):
213
245
        if not default:
214
 
            message = 'Client {} needs approval within {} seconds'
 
246
            message = 'Client %s needs approval within %s seconds'
215
247
        else:
216
 
            message = 'Client {} will get its secret in {} seconds'
217
 
        self.logger(message.format(self.properties["Name"],
218
 
                                   timeout/1000))
 
248
            message = 'Client %s will get its secret in %s seconds'
 
249
        self.logger(message
 
250
                    % (self.properties["Name"], timeout/1000))
 
251
        self.using_timer(True)
219
252
    
220
253
    def rejected(self, reason):
221
 
        self.logger('Client {} was rejected; reason: {}'
222
 
                    .format(self.properties["Name"], reason))
 
254
        self.logger('Client %s was rejected; reason: %s'
 
255
                    % (self.properties["Name"], reason))
223
256
    
224
257
    def selectable(self):
225
258
        """Make this a "selectable" widget.
247
280
                          "bold-underline-blink":
248
281
                              "bold-underline-blink-standout",
249
282
                          }
250
 
        
 
283
 
251
284
        # Rebuild focus and non-focus widgets using current properties
252
 
        
 
285
 
253
286
        # Base part of a client. Name!
254
 
        base = '{name}: '.format(name=self.properties["Name"])
 
287
        base = ('%(name)s: '
 
288
                      % {"name": self.properties["Name"]})
255
289
        if not self.properties["Enabled"]:
256
290
            message = "DISABLED"
257
 
            self.using_timer(False)
258
291
        elif self.properties["ApprovalPending"]:
259
292
            timeout = datetime.timedelta(milliseconds
260
293
                                         = self.properties
262
295
            last_approval_request = isoformat_to_datetime(
263
296
                self.properties["LastApprovalRequest"])
264
297
            if last_approval_request is not None:
265
 
                timer = max(timeout - (datetime.datetime.utcnow()
266
 
                                       - last_approval_request),
267
 
                            datetime.timedelta())
 
298
                timer = timeout - (datetime.datetime.utcnow()
 
299
                                   - last_approval_request)
268
300
            else:
269
301
                timer = datetime.timedelta()
270
302
            if self.properties["ApprovedByDefault"]:
271
 
                message = "Approval in {}. (d)eny?"
272
 
            else:
273
 
                message = "Denial in {}. (a)pprove?"
274
 
            message = message.format(str(timer).rsplit(".", 1)[0])
275
 
            self.using_timer(True)
276
 
        elif self.properties["LastCheckerStatus"] != 0:
277
 
            # When checker has failed, show timer until client expires
278
 
            expires = self.properties["Expires"]
279
 
            if expires == "":
280
 
                timer = datetime.timedelta(0)
281
 
            else:
282
 
                expires = (datetime.datetime.strptime
283
 
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
284
 
                timer = max(expires - datetime.datetime.utcnow(),
285
 
                            datetime.timedelta())
 
303
                message = "Approval in %s. (d)eny?"
 
304
            else:
 
305
                message = "Denial in %s. (a)pprove?"
 
306
            message = message % unicode(timer).rsplit(".", 1)[0]
 
307
        elif self.last_checker_failed:
 
308
            timeout = datetime.timedelta(milliseconds
 
309
                                         = self.properties
 
310
                                         ["Timeout"])
 
311
            last_ok = isoformat_to_datetime(
 
312
                max((self.properties["LastCheckedOK"]
 
313
                     or self.properties["Created"]),
 
314
                    self.properties["LastEnabled"]))
 
315
            timer = timeout - (datetime.datetime.utcnow() - last_ok)
286
316
            message = ('A checker has failed! Time until client'
287
 
                       ' gets disabled: {}'
288
 
                       .format(str(timer).rsplit(".", 1)[0]))
289
 
            self.using_timer(True)
 
317
                       ' gets disabled: %s'
 
318
                           % unicode(timer).rsplit(".", 1)[0])
290
319
        else:
291
320
            message = "enabled"
292
 
            self.using_timer(False)
293
 
        self._text = "{}{}".format(base, message)
294
 
        
 
321
        self._text = "%s%s" % (base, message)
 
322
            
295
323
        if not urwid.supports_unicode():
296
324
            self._text = self._text.encode("ascii", "replace")
297
325
        textlist = [("normal", self._text)]
309
337
            self.update_hook()
310
338
    
311
339
    def update_timer(self):
312
 
        """called by GObject. Will indefinitely loop until
313
 
        GObject.source_remove() on tag is called"""
 
340
        "called by gobject"
314
341
        self.update()
315
342
        return True             # Keep calling this
316
343
    
317
 
    def delete(self, **kwargs):
 
344
    def delete(self):
318
345
        if self._update_timer_callback_tag is not None:
319
 
            GObject.source_remove(self._update_timer_callback_tag)
 
346
            gobject.source_remove(self._update_timer_callback_tag)
320
347
            self._update_timer_callback_tag = None
321
 
        for match in self.match_objects:
322
 
            match.remove()
323
 
        self.match_objects = ()
324
348
        if self.delete_hook is not None:
325
349
            self.delete_hook(self)
326
 
        return super(MandosClientWidget, self).delete(**kwargs)
327
350
    
328
351
    def render(self, maxcolrow, focus=False):
329
352
        """Render differently if we have focus.
335
358
        """Handle keys.
336
359
        This overrides the method from urwid.FlowWidget"""
337
360
        if key == "+":
338
 
            self.proxy.Set(client_interface, "Enabled",
339
 
                           dbus.Boolean(True), ignore_reply = True,
340
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
361
            self.proxy.Enable(dbus_interface = client_interface,
 
362
                              ignore_reply=True)
341
363
        elif key == "-":
342
 
            self.proxy.Set(client_interface, "Enabled", False,
343
 
                           ignore_reply = True,
344
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
364
            self.proxy.Disable(dbus_interface = client_interface,
 
365
                               ignore_reply=True)
345
366
        elif key == "a":
346
367
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
347
368
                               dbus_interface = client_interface,
355
376
                                                  .object_path,
356
377
                                                  ignore_reply=True)
357
378
        elif key == "s":
358
 
            self.proxy.Set(client_interface, "CheckerRunning",
359
 
                           dbus.Boolean(True), ignore_reply = True,
360
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
379
            self.proxy.StartChecker(dbus_interface = client_interface,
 
380
                                    ignore_reply=True)
361
381
        elif key == "S":
362
 
            self.proxy.Set(client_interface, "CheckerRunning",
363
 
                           dbus.Boolean(False), ignore_reply = True,
364
 
                           dbus_interface = dbus.PROPERTIES_IFACE)
 
382
            self.proxy.StopChecker(dbus_interface = client_interface,
 
383
                                   ignore_reply=True)
365
384
        elif key == "C":
366
385
            self.proxy.CheckedOK(dbus_interface = client_interface,
367
386
                                 ignore_reply=True)
375
394
        else:
376
395
            return key
377
396
    
378
 
    def properties_changed(self, interface, properties, invalidated):
379
 
        """Call self.update() if any properties changed.
 
397
    def property_changed(self, property=None, value=None,
 
398
                         *args, **kwargs):
 
399
        """Call self.update() if old value is not new value.
380
400
        This overrides the method from MandosClientPropertyCache"""
381
 
        old_values = { key: self.properties.get(key)
382
 
                       for key in properties.keys() }
383
 
        super(MandosClientWidget, self).properties_changed(
384
 
            interface, properties, invalidated)
385
 
        if any(old_values[key] != self.properties.get(key)
386
 
               for key in old_values):
 
401
        property_name = unicode(property)
 
402
        old_value = self.properties.get(property_name)
 
403
        super(MandosClientWidget, self).property_changed(
 
404
            property=property, value=value, *args, **kwargs)
 
405
        if self.properties.get(property_name) != old_value:
387
406
            self.update()
388
407
 
389
408
 
392
411
    "down" key presses, thus not allowing any containing widgets to
393
412
    use them as an excuse to shift focus away from this widget.
394
413
    """
395
 
    def keypress(self, *args, **kwargs):
396
 
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
 
414
    def keypress(self, maxcolrow, key):
 
415
        ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
397
416
        if ret in ("up", "down"):
398
417
            return
399
418
        return ret
403
422
    """This is the entire user interface - the whole screen
404
423
    with boxes, lists of client widgets, etc.
405
424
    """
406
 
    def __init__(self, max_log_length=1000, log_level=1):
 
425
    def __init__(self, max_log_length=1000):
407
426
        DBusGMainLoop(set_as_default=True)
408
427
        
409
428
        self.screen = urwid.curses_display.Screen()
412
431
                ("normal",
413
432
                 "default", "default", None),
414
433
                ("bold",
415
 
                 "bold", "default", "bold"),
 
434
                 "default", "default", "bold"),
416
435
                ("underline-blink",
417
 
                 "underline,blink", "default", "underline,blink"),
 
436
                 "default", "default", "underline"),
418
437
                ("standout",
419
 
                 "standout", "default", "standout"),
 
438
                 "default", "default", "standout"),
420
439
                ("bold-underline-blink",
421
 
                 "bold,underline,blink", "default", "bold,underline,blink"),
 
440
                 "default", "default", ("bold", "underline")),
422
441
                ("bold-standout",
423
 
                 "bold,standout", "default", "bold,standout"),
 
442
                 "default", "default", ("bold", "standout")),
424
443
                ("underline-blink-standout",
425
 
                 "underline,blink,standout", "default",
426
 
                 "underline,blink,standout"),
 
444
                 "default", "default", ("underline", "standout")),
427
445
                ("bold-underline-blink-standout",
428
 
                 "bold,underline,blink,standout", "default",
429
 
                 "bold,underline,blink,standout"),
 
446
                 "default", "default", ("bold", "underline",
 
447
                                          "standout")),
430
448
                ))
431
449
        
432
450
        if urwid.supports_unicode():
447
465
        self.log = []
448
466
        self.max_log_length = max_log_length
449
467
        
450
 
        self.log_level = log_level
451
 
        
452
468
        # We keep a reference to the log widget so we can remove it
453
469
        # from the ListWalker without it getting destroyed
454
470
        self.logbox = ConstrainedListBox(self.log)
465
481
                              "q: Quit  ?: Help"))
466
482
        
467
483
        self.busname = domain + '.Mandos'
468
 
        self.main_loop = GObject.MainLoop()
 
484
        self.main_loop = gobject.MainLoop()
 
485
        self.bus = dbus.SystemBus()
 
486
        mandos_dbus_objc = self.bus.get_object(
 
487
            self.busname, "/", follow_name_owner_changes=True)
 
488
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
489
                                          dbus_interface
 
490
                                          = server_interface)
 
491
        try:
 
492
            mandos_clients = (self.mandos_serv
 
493
                              .GetAllClientsWithProperties())
 
494
        except dbus.exceptions.DBusException:
 
495
            mandos_clients = dbus.Dictionary()
 
496
        
 
497
        (self.mandos_serv
 
498
         .connect_to_signal("ClientRemoved",
 
499
                            self.find_and_remove_client,
 
500
                            dbus_interface=server_interface,
 
501
                            byte_arrays=True))
 
502
        (self.mandos_serv
 
503
         .connect_to_signal("ClientAdded",
 
504
                            self.add_new_client,
 
505
                            dbus_interface=server_interface,
 
506
                            byte_arrays=True))
 
507
        (self.mandos_serv
 
508
         .connect_to_signal("ClientNotFound",
 
509
                            self.client_not_found,
 
510
                            dbus_interface=server_interface,
 
511
                            byte_arrays=True))
 
512
        for path, client in mandos_clients.iteritems():
 
513
            client_proxy_object = self.bus.get_object(self.busname,
 
514
                                                      path)
 
515
            self.add_client(MandosClientWidget(server_proxy_object
 
516
                                               =self.mandos_serv,
 
517
                                               proxy_object
 
518
                                               =client_proxy_object,
 
519
                                               properties=client,
 
520
                                               update_hook
 
521
                                               =self.refresh,
 
522
                                               delete_hook
 
523
                                               =self.remove_client,
 
524
                                               logger
 
525
                                               =self.log_message),
 
526
                            path=path)
469
527
    
470
528
    def client_not_found(self, fingerprint, address):
471
 
        self.log_message("Client with address {} and fingerprint {}"
472
 
                         " could not be found"
473
 
                         .format(address, fingerprint))
 
529
        self.log_message(("Client with address %s and fingerprint %s"
 
530
                          " could not be found" % (address,
 
531
                                                    fingerprint)))
474
532
    
475
533
    def rebuild(self):
476
534
        """This rebuilds the User Interface.
486
544
                                                     self.divider)))
487
545
        if self.log_visible:
488
546
            self.uilist.append(self.logbox)
 
547
            pass
489
548
        self.topwidget = urwid.Pile(self.uilist)
490
549
    
491
 
    def log_message(self, message, level=1):
492
 
        """Log message formatted with timestamp"""
493
 
        if level < self.log_level:
494
 
            return
 
550
    def log_message(self, message):
495
551
        timestamp = datetime.datetime.now().isoformat()
496
 
        self.log_message_raw("{}: {}".format(timestamp, message),
497
 
                             level=level)
 
552
        self.log_message_raw(timestamp + ": " + message)
498
553
    
499
 
    def log_message_raw(self, markup, level=1):
 
554
    def log_message_raw(self, markup):
500
555
        """Add a log message to the log buffer."""
501
 
        if level < self.log_level:
502
 
            return
503
556
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
504
557
        if (self.max_log_length
505
558
            and len(self.log) > self.max_log_length):
512
565
        """Toggle visibility of the log buffer."""
513
566
        self.log_visible = not self.log_visible
514
567
        self.rebuild()
515
 
        self.log_message("Log visibility changed to: {}"
516
 
                         .format(self.log_visible), level=0)
 
568
        #self.log_message("Log visibility changed to: "
 
569
        #                 + unicode(self.log_visible))
517
570
    
518
571
    def change_log_display(self):
519
572
        """Change type of log display.
524
577
            self.log_wrap = "clip"
525
578
        for textwidget in self.log:
526
579
            textwidget.set_wrap_mode(self.log_wrap)
527
 
        self.log_message("Wrap mode: {}".format(self.log_wrap),
528
 
                         level=0)
 
580
        #self.log_message("Wrap mode: " + self.log_wrap)
529
581
    
530
 
    def find_and_remove_client(self, path, interfaces):
531
 
        """Find a client by its object path and remove it.
 
582
    def find_and_remove_client(self, path, name):
 
583
        """Find an client from its object path and remove it.
532
584
        
533
 
        This is connected to the InterfacesRemoved signal from the
 
585
        This is connected to the ClientRemoved signal from the
534
586
        Mandos server object."""
535
 
        if client_interface not in interfaces:
536
 
            # Not a Mandos client object; ignore
537
 
            return
538
587
        try:
539
588
            client = self.clients_dict[path]
540
589
        except KeyError:
541
590
            # not found?
542
 
            self.log_message("Unknown client {!r} removed"
543
 
                             .format(path))
544
591
            return
545
 
        client.delete()
 
592
        self.remove_client(client, path)
546
593
    
547
 
    def add_new_client(self, path, ifs_and_props):
548
 
        """Find a client by its object path and remove it.
549
 
        
550
 
        This is connected to the InterfacesAdded signal from the
551
 
        Mandos server object.
552
 
        """
553
 
        if client_interface not in ifs_and_props:
554
 
            # Not a Mandos client object; ignore
555
 
            return
 
594
    def add_new_client(self, path):
556
595
        client_proxy_object = self.bus.get_object(self.busname, path)
557
596
        self.add_client(MandosClientWidget(server_proxy_object
558
597
                                           =self.mandos_serv,
563
602
                                           delete_hook
564
603
                                           =self.remove_client,
565
604
                                           logger
566
 
                                           =self.log_message,
567
 
                                           properties
568
 
                                           = dict(ifs_and_props[
569
 
                                               client_interface])),
 
605
                                           =self.log_message),
570
606
                        path=path)
571
607
    
572
608
    def add_client(self, client, path=None):
574
610
        if path is None:
575
611
            path = client.proxy.object_path
576
612
        self.clients_dict[path] = client
577
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
613
        self.clients.sort(None, lambda c: c.properties["Name"])
578
614
        self.refresh()
579
615
    
580
616
    def remove_client(self, client, path=None):
582
618
        if path is None:
583
619
            path = client.proxy.object_path
584
620
        del self.clients_dict[path]
 
621
        if not self.clients_dict:
 
622
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
623
            # is completely emptied, we need to recreate it.
 
624
            self.clients = urwid.SimpleListWalker([])
 
625
            self.rebuild()
585
626
        self.refresh()
586
627
    
587
628
    def refresh(self):
591
632
    
592
633
    def run(self):
593
634
        """Start the main loop and exit when it's done."""
594
 
        self.bus = dbus.SystemBus()
595
 
        mandos_dbus_objc = self.bus.get_object(
596
 
            self.busname, "/", follow_name_owner_changes=True)
597
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
598
 
                                          dbus_interface
599
 
                                          = server_interface)
600
 
        try:
601
 
            mandos_clients = (self.mandos_serv
602
 
                              .GetAllClientsWithProperties())
603
 
            if not mandos_clients:
604
 
                self.log_message_raw(("bold", "Note: Server has no clients."))
605
 
        except dbus.exceptions.DBusException:
606
 
            self.log_message_raw(("bold", "Note: No Mandos server running."))
607
 
            mandos_clients = dbus.Dictionary()
608
 
        
609
 
        (self.mandos_serv
610
 
         .connect_to_signal("InterfacesRemoved",
611
 
                            self.find_and_remove_client,
612
 
                            dbus_interface
613
 
                            = dbus.OBJECT_MANAGER_IFACE,
614
 
                            byte_arrays=True))
615
 
        (self.mandos_serv
616
 
         .connect_to_signal("InterfacesAdded",
617
 
                            self.add_new_client,
618
 
                            dbus_interface
619
 
                            = dbus.OBJECT_MANAGER_IFACE,
620
 
                            byte_arrays=True))
621
 
        (self.mandos_serv
622
 
         .connect_to_signal("ClientNotFound",
623
 
                            self.client_not_found,
624
 
                            dbus_interface=server_interface,
625
 
                            byte_arrays=True))
626
 
        for path, client in mandos_clients.items():
627
 
            client_proxy_object = self.bus.get_object(self.busname,
628
 
                                                      path)
629
 
            self.add_client(MandosClientWidget(server_proxy_object
630
 
                                               =self.mandos_serv,
631
 
                                               proxy_object
632
 
                                               =client_proxy_object,
633
 
                                               properties=client,
634
 
                                               update_hook
635
 
                                               =self.refresh,
636
 
                                               delete_hook
637
 
                                               =self.remove_client,
638
 
                                               logger
639
 
                                               =self.log_message),
640
 
                            path=path)
641
 
        
642
635
        self.refresh()
643
 
        self._input_callback_tag = (GObject.io_add_watch
 
636
        self._input_callback_tag = (gobject.io_add_watch
644
637
                                    (sys.stdin.fileno(),
645
 
                                     GObject.IO_IN,
 
638
                                     gobject.IO_IN,
646
639
                                     self.process_input))
647
640
        self.main_loop.run()
648
641
        # Main loop has finished, we should close everything now
649
 
        GObject.source_remove(self._input_callback_tag)
 
642
        gobject.source_remove(self._input_callback_tag)
650
643
        self.screen.stop()
651
644
    
652
645
    def stop(self):
676
669
            elif key == "window resize":
677
670
                self.size = self.screen.get_cols_rows()
678
671
                self.refresh()
679
 
            elif key == "ctrl l":
680
 
                self.screen.clear()
 
672
            elif key == "\f":  # Ctrl-L
681
673
                self.refresh()
682
674
            elif key == "l" or key == "D":
683
675
                self.toggle_log_display()
695
687
                                            "?: Help",
696
688
                                            "l: Log window toggle",
697
689
                                            "TAB: Switch window",
698
 
                                            "w: Wrap (log lines)",
699
 
                                            "v: Toggle verbose log",
700
 
                                            ))))
 
690
                                            "w: Wrap (log)"))))
701
691
                self.log_message_raw(("bold",
702
692
                                      "  "
703
693
                                      .join(("Clients:",
716
706
                else:
717
707
                    self.topwidget.set_focus(self.logbox)
718
708
                self.refresh()
719
 
            elif key == "v":
720
 
                if self.log_level == 0:
721
 
                    self.log_level = 1
722
 
                    self.log_message("Verbose mode: Off")
723
 
                else:
724
 
                    self.log_level = 0
725
 
                    self.log_message("Verbose mode: On")
726
709
            #elif (key == "end" or key == "meta >" or key == "G"
727
710
            #      or key == ">"):
728
711
            #    pass            # xxx end-of-buffer
751
734
    ui.run()
752
735
except KeyboardInterrupt:
753
736
    ui.screen.stop()
754
 
except Exception as e:
755
 
    ui.log_message(str(e))
 
737
except Exception, e:
 
738
    ui.log_message(unicode(e))
756
739
    ui.screen.stop()
757
740
    raise