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  • Committer: Teddy Hogeborn
  • Date: 2009-11-15 10:12:09 UTC
  • Revision ID: teddy@fukt.bsnet.se-20091115101209-d0zrfwkp6u0l7v7b
* mandos (MandosServer.handle_ipc): Better log message.
  (main/MandosDBusService.ClientNotFound): Add "address" argument.
                                           All callers changed.
* mandos-monitor (MandosClientWidget.__init__): Add "logger" argument.
  (MandosClientWidget.checker_completed,
  MandosClientWidget.checker_started, MandosClientWidget.got_secret,
  MandosClientWidget.rejected): New methods, connected to signals.
  (MandosClientWidget.update): Improve display.
  (UserInterface.client_not_found): New method, conneced to signal.
  (UserInterface.log_message): New; log with timestamp.
  (UserInterface.log_message_raw): Same as old "log_message".  Bug
                                  fix; always do "refresh()".

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mandos-monitor
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1
#!/usr/bin/python
2
2
# -*- mode: python; coding: utf-8 -*-
3
 
# 
4
 
# Mandos Monitor - Control and monitor the Mandos server
5
 
# 
6
 
# Copyright © 2009,2010 Teddy Hogeborn
7
 
# Copyright © 2009,2010 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 <http://www.gnu.org/licenses/>.
21
 
# 
22
 
# Contact the authors at <mandos@fukt.bsnet.se>.
23
 
# 
24
3
 
25
4
from __future__ import division, absolute_import, with_statement
26
5
 
40
19
 
41
20
import UserList
42
21
 
43
 
import locale
44
 
 
45
 
locale.setlocale(locale.LC_ALL, u'')
46
 
 
47
 
import logging
48
 
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
49
 
 
50
22
# Some useful constants
51
23
domain = 'se.bsnet.fukt'
52
24
server_interface = domain + '.Mandos'
53
25
client_interface = domain + '.Mandos.Client'
54
 
version = "1.2"
 
26
version = "1.0.14"
55
27
 
56
28
# Always run in monochrome mode
57
29
urwid.curses_display.curses.has_colors = lambda : False
61
33
urwid.curses_display.curses.A_UNDERLINE |= (
62
34
    urwid.curses_display.curses.A_BLINK)
63
35
 
64
 
def isoformat_to_datetime(iso):
65
 
    "Parse an ISO 8601 date string to a datetime.datetime()"
66
 
    if not iso:
67
 
        return None
68
 
    d, t = iso.split(u"T", 1)
69
 
    year, month, day = d.split(u"-", 2)
70
 
    hour, minute, second = t.split(u":", 2)
71
 
    second, fraction = divmod(float(second), 1)
72
 
    return datetime.datetime(int(year),
73
 
                             int(month),
74
 
                             int(day),
75
 
                             int(hour),
76
 
                             int(minute),
77
 
                             int(second),           # Whole seconds
78
 
                             int(fraction*1000000)) # Microseconds
79
 
 
80
36
class MandosClientPropertyCache(object):
81
37
    """This wraps a Mandos Client D-Bus proxy object, caches the
82
38
    properties and calls a hook function when any of them are
83
39
    changed.
84
40
    """
85
 
    def __init__(self, proxy_object=None, *args, **kwargs):
 
41
    def __init__(self, proxy_object=None, properties=None, *args,
 
42
                 **kwargs):
86
43
        self.proxy = proxy_object # Mandos Client proxy object
87
44
        
88
 
        self.properties = dict()
 
45
        if properties is None:
 
46
            self.properties = dict()
 
47
        else:
 
48
            self.properties = properties
89
49
        self.proxy.connect_to_signal(u"PropertyChanged",
90
50
                                     self.property_changed,
91
51
                                     client_interface,
92
52
                                     byte_arrays=True)
93
53
        
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)
 
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)
101
61
    
102
62
    def property_changed(self, property=None, value=None):
103
63
        """This is called whenever we get a PropertyChanged signal
122
82
        # Logger
123
83
        self.logger = logger
124
84
        
125
 
        self._update_timer_callback_tag = None
126
 
        self._update_timer_callback_lock = 0
127
 
        self.last_checker_failed = False
128
 
        
129
85
        # The widget shown normally
130
86
        self._text_widget = urwid.Text(u"")
131
87
        # The widget shown when we have focus
135
91
            *args, **kwargs)
136
92
        self.update()
137
93
        self.opened = False
138
 
        
139
 
        last_checked_ok = isoformat_to_datetime(self.properties
140
 
                                                [u"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
 
                                         [u"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
94
        self.proxy.connect_to_signal(u"CheckerCompleted",
158
95
                                     self.checker_completed,
159
96
                                     client_interface,
166
103
                                     self.got_secret,
167
104
                                     client_interface,
168
105
                                     byte_arrays=True)
169
 
        self.proxy.connect_to_signal(u"NeedApproval",
170
 
                                     self.need_approval,
171
 
                                     client_interface,
172
 
                                     byte_arrays=True)
173
106
        self.proxy.connect_to_signal(u"Rejected",
174
107
                                     self.rejected,
175
108
                                     client_interface,
176
109
                                     byte_arrays=True)
177
110
    
178
 
    def property_changed(self, property=None, value=None):
179
 
        super(self, MandosClientWidget).property_changed(property,
180
 
                                                         value)
181
 
        if property == u"ApprovalPending":
182
 
            using_timer(bool(value))
183
 
        
184
 
    def using_timer(self, flag):
185
 
        """Call this method with True or False when timer should be
186
 
        activated or deactivated.
187
 
        """
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
195
 
                                               (1000,
196
 
                                                self.update_timer))
197
 
        elif old and self._update_timer_callback_lock == 0:
198
 
            gobject.source_remove(self._update_timer_callback_tag)
199
 
            self._update_timer_callback_tag = None
200
 
    
201
111
    def checker_completed(self, exitstatus, condition, command):
202
112
        if exitstatus == 0:
203
 
            if self.last_checker_failed:
204
 
                self.last_checker_failed = False
205
 
                self.using_timer(False)
206
 
            #self.logger(u'Checker for client %s (command "%s")'
207
 
            #            u' was successful'
208
 
            #            % (self.properties[u"Name"], command))
209
 
            self.update()
 
113
            self.logger(u'Checker for client %s (command "%s")'
 
114
                        u' was successful'
 
115
                        % (self.properties[u"name"], command))
210
116
            return
211
 
        # Checker failed
212
 
        if not self.last_checker_failed:
213
 
            self.last_checker_failed = True
214
 
            self.using_timer(True)
215
117
        if os.WIFEXITED(condition):
216
118
            self.logger(u'Checker for client %s (command "%s")'
217
119
                        u' failed with exit code %s'
218
 
                        % (self.properties[u"Name"], command,
 
120
                        % (self.properties[u"name"], command,
219
121
                           os.WEXITSTATUS(condition)))
220
 
        elif os.WIFSIGNALED(condition):
 
122
            return
 
123
        if os.WIFSIGNALED(condition):
221
124
            self.logger(u'Checker for client %s (command "%s")'
222
125
                        u' was killed by signal %s'
223
 
                        % (self.properties[u"Name"], command,
 
126
                        % (self.properties[u"name"], command,
224
127
                           os.WTERMSIG(condition)))
225
 
        elif os.WCOREDUMP(condition):
 
128
            return
 
129
        if os.WCOREDUMP(condition):
226
130
            self.logger(u'Checker for client %s (command "%s")'
227
131
                        u' dumped core'
228
 
                        % (self.properties[u"Name"], command))
229
 
        else:
230
 
            self.logger(u'Checker for client %s completed'
231
 
                        u' mysteriously')
232
 
        self.update()
 
132
                        % (self.properties[u"name"], command))
 
133
        self.logger(u'Checker for client %s completed mysteriously')
233
134
    
234
135
    def checker_started(self, command):
235
 
        #self.logger(u'Client %s started checker "%s"'
236
 
        #            % (self.properties[u"Name"], unicode(command)))
237
 
        pass
 
136
        self.logger(u'Client %s started checker "%s"'
 
137
                    % (self.properties[u"name"], unicode(command)))
238
138
    
239
139
    def got_secret(self):
240
 
        self.last_checker_failed = False
241
140
        self.logger(u'Client %s received its secret'
242
 
                    % self.properties[u"Name"])
243
 
    
244
 
    def need_approval(self, timeout, default):
245
 
        if not default:
246
 
            message = u'Client %s needs approval within %s seconds'
247
 
        else:
248
 
            message = u'Client %s will get its secret in %s seconds'
249
 
        self.logger(message
250
 
                    % (self.properties[u"Name"], timeout/1000))
251
 
        self.using_timer(True)
252
 
    
253
 
    def rejected(self, reason):
254
 
        self.logger(u'Client %s was rejected; reason: %s'
255
 
                    % (self.properties[u"Name"], reason))
 
141
                    % self.properties[u"name"])
 
142
    
 
143
    def rejected(self):
 
144
        self.logger(u'Client %s was rejected'
 
145
                    % self.properties[u"name"])
256
146
    
257
147
    def selectable(self):
258
148
        """Make this a "selectable" widget.
280
170
                          u"bold-underline-blink":
281
171
                              u"bold-underline-blink-standout",
282
172
                          }
283
 
 
 
173
        
284
174
        # Rebuild focus and non-focus widgets using current properties
285
 
 
286
 
        # Base part of a client. Name!
287
 
        base = (u'%(name)s: '
288
 
                      % {u"name": self.properties[u"Name"]})
289
 
        if not self.properties[u"Enabled"]:
290
 
            message = u"DISABLED"
291
 
        elif self.properties[u"ApprovalPending"]:
292
 
            timeout = datetime.timedelta(milliseconds
293
 
                                         = self.properties
294
 
                                         [u"ApprovalDelay"])
295
 
            last_approval_request = isoformat_to_datetime(
296
 
                self.properties[u"LastApprovalRequest"])
297
 
            if last_approval_request is not None:
298
 
                timer = timeout - (datetime.datetime.utcnow()
299
 
                                   - last_approval_request)
300
 
            else:
301
 
                timer = datetime.timedelta()
302
 
            if self.properties[u"ApprovedByDefault"]:
303
 
                message = u"Approval in %s. (d)eny?"
304
 
            else:
305
 
                message = u"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
 
                                         [u"Timeout"])
311
 
            last_ok = isoformat_to_datetime(
312
 
                max((self.properties[u"LastCheckedOK"]
313
 
                     or self.properties[u"Created"]),
314
 
                    self.properties[u"LastEnabled"]))
315
 
            timer = timeout - (datetime.datetime.utcnow() - last_ok)
316
 
            message = (u'A checker has failed! Time until client'
317
 
                       u' gets disabled: %s'
318
 
                           % unicode(timer).rsplit(".", 1)[0])
319
 
        else:
320
 
            message = u"enabled"
321
 
        self._text = "%s%s" % (base, message)
322
 
            
 
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")})
323
181
        if not urwid.supports_unicode():
324
182
            self._text = self._text.encode("ascii", "replace")
325
183
        textlist = [(u"normal", self._text)]
336
194
        if self.update_hook is not None:
337
195
            self.update_hook()
338
196
    
339
 
    def update_timer(self):
340
 
        "called by gobject"
341
 
        self.update()
342
 
        return True             # Keep calling this
343
 
    
344
197
    def delete(self):
345
 
        if self._update_timer_callback_tag is not None:
346
 
            gobject.source_remove(self._update_timer_callback_tag)
347
 
            self._update_timer_callback_tag = None
348
198
        if self.delete_hook is not None:
349
199
            self.delete_hook(self)
350
200
    
357
207
    def keypress(self, (maxcol,), key):
358
208
        """Handle keys.
359
209
        This overrides the method from urwid.FlowWidget"""
360
 
        if key == u"+":
361
 
            self.proxy.Enable(dbus_interface = client_interface)
362
 
        elif key == u"-":
363
 
            self.proxy.Disable(dbus_interface = client_interface)
364
 
        elif key == u"a":
365
 
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
366
 
                               dbus_interface = client_interface)
367
 
        elif key == u"d":
368
 
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
369
 
                                  dbus_interface = client_interface)
370
 
        elif key == u"R" or key == u"_" or key == u"ctrl k":
 
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":
371
215
            self.server_proxy_object.RemoveClient(self.proxy
372
216
                                                  .object_path)
373
217
        elif key == u"s":
374
 
            self.proxy.StartChecker(dbus_interface = client_interface)
 
218
            self.proxy.StartChecker()
375
219
        elif key == u"S":
376
 
            self.proxy.StopChecker(dbus_interface = client_interface)
 
220
            self.proxy.StopChecker()
377
221
        elif key == u"C":
378
 
            self.proxy.CheckedOK(dbus_interface = client_interface)
 
222
            self.proxy.CheckedOK()
379
223
        # xxx
380
224
#         elif key == u"p" or key == "=":
381
225
#             self.proxy.pause()
404
248
    use them as an excuse to shift focus away from this widget.
405
249
    """
406
250
    def keypress(self, (maxcol, maxrow), key):
407
 
        ret = super(ConstrainedListBox, self).keypress((maxcol,
408
 
                                                        maxrow), key)
 
251
        ret = super(ConstrainedListBox, self).keypress((maxcol, maxrow), key)
409
252
        if ret in (u"up", u"down"):
410
253
            return
411
254
        return ret
528
371
        Call this when the widget layout needs to change"""
529
372
        self.uilist = []
530
373
        #self.uilist.append(urwid.ListBox(self.clients))
531
 
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
532
 
                                                          clients),
 
374
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
533
375
                                       #header=urwid.Divider(),
534
376
                                       header=None,
535
 
                                       footer=
536
 
                                       urwid.Divider(div_char=
537
 
                                                     self.divider)))
 
377
                                       footer=urwid.Divider(div_char=self.divider)))
538
378
        if self.log_visible:
539
379
            self.uilist.append(self.logbox)
540
380
            pass
558
398
        """Toggle visibility of the log buffer."""
559
399
        self.log_visible = not self.log_visible
560
400
        self.rebuild()
561
 
        #self.log_message(u"Log visibility changed to: "
562
 
        #                 + unicode(self.log_visible))
 
401
        self.log_message(u"Log visibility changed to: "
 
402
                         + unicode(self.log_visible))
563
403
    
564
404
    def change_log_display(self):
565
405
        """Change type of log display.
570
410
            self.log_wrap = u"clip"
571
411
        for textwidget in self.log:
572
412
            textwidget.set_wrap_mode(self.log_wrap)
573
 
        #self.log_message(u"Wrap mode: " + self.log_wrap)
 
413
        self.log_message(u"Wrap mode: " + self.log_wrap)
574
414
    
575
415
    def find_and_remove_client(self, path, name):
576
416
        """Find an client from its object path and remove it.
584
424
            return
585
425
        self.remove_client(client, path)
586
426
    
587
 
    def add_new_client(self, path):
 
427
    def add_new_client(self, path, properties):
588
428
        client_proxy_object = self.bus.get_object(self.busname, path)
589
429
        self.add_client(MandosClientWidget(server_proxy_object
590
430
                                           =self.mandos_serv,
591
431
                                           proxy_object
592
432
                                           =client_proxy_object,
 
433
                                           properties=properties,
593
434
                                           update_hook
594
435
                                           =self.refresh,
595
436
                                           delete_hook
596
 
                                           =self.remove_client,
597
 
                                           logger
598
 
                                           =self.log_message),
 
437
                                           =self.remove_client),
599
438
                        path=path)
600
439
    
601
440
    def add_client(self, client, path=None):
603
442
        if path is None:
604
443
            path = client.proxy.object_path
605
444
        self.clients_dict[path] = client
606
 
        self.clients.sort(None, lambda c: c.properties[u"Name"])
 
445
        self.clients.sort(None, lambda c: c.properties[u"name"])
607
446
        self.refresh()
608
447
    
609
448
    def remove_client(self, client, path=None):
684
523
                self.log_message_raw((u"bold",
685
524
                                      u"  "
686
525
                                      .join((u"Clients:",
687
 
                                             u"+: Enable",
688
 
                                             u"-: Disable",
689
 
                                             u"R: Remove",
 
526
                                             u"e: Enable",
 
527
                                             u"d: Disable",
 
528
                                             u"r: Remove",
690
529
                                             u"s: Start new checker",
691
530
                                             u"S: Stop checker",
692
 
                                             u"C: Checker OK",
693
 
                                             u"a: Approve",
694
 
                                             u"d: Deny"))))
 
531
                                             u"C: Checker OK"))))
695
532
                self.refresh()
696
533
            elif key == u"tab":
697
534
                if self.topwidget.get_focus() is self.logbox:
725
562
ui = UserInterface()
726
563
try:
727
564
    ui.run()
728
 
except KeyboardInterrupt:
729
 
    ui.screen.stop()
730
 
except Exception, e:
731
 
    ui.log_message(unicode(e))
 
565
except:
732
566
    ui.screen.stop()
733
567
    raise