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mandos-monitor
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#!/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
 
44
23
 
45
24
locale.setlocale(locale.LC_ALL, u'')
46
25
 
47
 
import logging
48
 
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
49
 
 
50
26
# Some useful constants
51
27
domain = 'se.bsnet.fukt'
52
28
server_interface = domain + '.Mandos'
53
29
client_interface = domain + '.Mandos.Client'
54
 
version = "1.2"
 
30
version = "1.0.14"
55
31
 
56
32
# Always run in monochrome mode
57
33
urwid.curses_display.curses.has_colors = lambda : False
94
70
        self.properties.update(
95
71
            self.proxy.GetAll(client_interface,
96
72
                              dbus_interface = dbus.PROPERTIES_IFACE))
97
 
 
98
 
        #XXX This break good super behaviour!
99
 
#        super(MandosClientPropertyCache, self).__init__(
100
 
#            *args, **kwargs)
 
73
        super(MandosClientPropertyCache, self).__init__(
 
74
            proxy_object=proxy_object, *args, **kwargs)
101
75
    
102
76
    def property_changed(self, property=None, value=None):
103
77
        """This is called whenever we get a PropertyChanged signal
123
97
        self.logger = logger
124
98
        
125
99
        self._update_timer_callback_tag = None
126
 
        self._update_timer_callback_lock = 0
127
100
        self.last_checker_failed = False
128
101
        
129
102
        # The widget shown normally
135
108
            *args, **kwargs)
136
109
        self.update()
137
110
        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
111
        self.proxy.connect_to_signal(u"CheckerCompleted",
158
112
                                     self.checker_completed,
159
113
                                     client_interface,
166
120
                                     self.got_secret,
167
121
                                     client_interface,
168
122
                                     byte_arrays=True)
169
 
        self.proxy.connect_to_signal(u"NeedApproval",
170
 
                                     self.need_approval,
171
 
                                     client_interface,
172
 
                                     byte_arrays=True)
173
123
        self.proxy.connect_to_signal(u"Rejected",
174
124
                                     self.rejected,
175
125
                                     client_interface,
176
126
                                     byte_arrays=True)
177
 
    
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
 
127
        last_checked_ok = isoformat_to_datetime(self.properties
 
128
                                                ["last_checked_ok"])
 
129
        if last_checked_ok is None:
 
130
            self.last_checker_failed = True
191
131
        else:
192
 
            self._update_timer_callback_lock -= 1
193
 
        if old == 0 and self._update_timer_callback_lock:
 
132
            self.last_checker_failed = ((datetime.datetime.utcnow()
 
133
                                         - last_checked_ok)
 
134
                                        > datetime.timedelta
 
135
                                        (milliseconds=
 
136
                                         self.properties["interval"]))
 
137
        if self.last_checker_failed:
194
138
            self._update_timer_callback_tag = (gobject.timeout_add
195
139
                                               (1000,
196
140
                                                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
141
    
201
142
    def checker_completed(self, exitstatus, condition, command):
202
143
        if exitstatus == 0:
203
144
            if self.last_checker_failed:
204
145
                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))
 
146
                gobject.source_remove(self._update_timer_callback_tag)
 
147
                self._update_timer_callback_tag = None
 
148
            self.logger(u'Checker for client %s (command "%s")'
 
149
                        u' was successful'
 
150
                        % (self.properties[u"name"], command))
209
151
            self.update()
210
152
            return
211
153
        # Checker failed
212
154
        if not self.last_checker_failed:
213
155
            self.last_checker_failed = True
214
 
            self.using_timer(True)
 
156
            self._update_timer_callback_tag = (gobject.timeout_add
 
157
                                               (1000,
 
158
                                                self.update_timer))
215
159
        if os.WIFEXITED(condition):
216
160
            self.logger(u'Checker for client %s (command "%s")'
217
161
                        u' failed with exit code %s'
218
 
                        % (self.properties[u"Name"], command,
 
162
                        % (self.properties[u"name"], command,
219
163
                           os.WEXITSTATUS(condition)))
220
164
        elif os.WIFSIGNALED(condition):
221
165
            self.logger(u'Checker for client %s (command "%s")'
222
166
                        u' was killed by signal %s'
223
 
                        % (self.properties[u"Name"], command,
 
167
                        % (self.properties[u"name"], command,
224
168
                           os.WTERMSIG(condition)))
225
169
        elif os.WCOREDUMP(condition):
226
170
            self.logger(u'Checker for client %s (command "%s")'
227
171
                        u' dumped core'
228
 
                        % (self.properties[u"Name"], command))
 
172
                        % (self.properties[u"name"], command))
229
173
        else:
230
 
            self.logger(u'Checker for client %s completed'
231
 
                        u' mysteriously')
 
174
            self.logger(u'Checker for client %s completed mysteriously')
232
175
        self.update()
233
176
    
234
177
    def checker_started(self, command):
235
 
        #self.logger(u'Client %s started checker "%s"'
236
 
        #            % (self.properties[u"Name"], unicode(command)))
237
 
        pass
 
178
        self.logger(u'Client %s started checker "%s"'
 
179
                    % (self.properties[u"name"], unicode(command)))
238
180
    
239
181
    def got_secret(self):
240
 
        self.last_checker_failed = False
241
182
        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))
 
183
                    % self.properties[u"name"])
 
184
    
 
185
    def rejected(self):
 
186
        self.logger(u'Client %s was rejected'
 
187
                    % self.properties[u"name"])
256
188
    
257
189
    def selectable(self):
258
190
        """Make this a "selectable" widget.
280
212
                          u"bold-underline-blink":
281
213
                              u"bold-underline-blink-standout",
282
214
                          }
283
 
 
 
215
        
284
216
        # 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
 
            
 
217
        self._text = (u'%(name)s: %(enabled)s%(timer)s'
 
218
                      % { u"name": self.properties[u"name"],
 
219
                          u"enabled":
 
220
                              (u"enabled"
 
221
                               if self.properties[u"enabled"]
 
222
                               else u"DISABLED"),
 
223
                          u"timer": (unicode(datetime.timedelta
 
224
                                             (milliseconds =
 
225
                                              self.properties
 
226
                                              [u"timeout"])
 
227
                                             - (datetime.datetime
 
228
                                                .utcnow()
 
229
                                                - isoformat_to_datetime
 
230
                                                (max((self.properties
 
231
                                                 ["last_checked_ok"]
 
232
                                                 or
 
233
                                                 self.properties
 
234
                                                 ["created"]),
 
235
                                                    self.properties[u"last_enabled"]))))
 
236
                                     if (self.last_checker_failed
 
237
                                         and self.properties
 
238
                                         [u"enabled"])
 
239
                                     else u"")})
323
240
        if not urwid.supports_unicode():
324
241
            self._text = self._text.encode("ascii", "replace")
325
242
        textlist = [(u"normal", self._text)]
357
274
    def keypress(self, (maxcol,), key):
358
275
        """Handle keys.
359
276
        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":
 
277
        if key == u"e" or key == u"+":
 
278
            self.proxy.Enable()
 
279
        elif key == u"d" or key == u"-":
 
280
            self.proxy.Disable()
 
281
        elif key == u"r" or key == u"_" or key == u"ctrl k":
371
282
            self.server_proxy_object.RemoveClient(self.proxy
372
283
                                                  .object_path)
373
284
        elif key == u"s":
374
 
            self.proxy.StartChecker(dbus_interface = client_interface)
 
285
            self.proxy.StartChecker()
375
286
        elif key == u"S":
376
 
            self.proxy.StopChecker(dbus_interface = client_interface)
 
287
            self.proxy.StopChecker()
377
288
        elif key == u"C":
378
 
            self.proxy.CheckedOK(dbus_interface = client_interface)
 
289
            self.proxy.CheckedOK()
379
290
        # xxx
380
291
#         elif key == u"p" or key == "=":
381
292
#             self.proxy.pause()
404
315
    use them as an excuse to shift focus away from this widget.
405
316
    """
406
317
    def keypress(self, (maxcol, maxrow), key):
407
 
        ret = super(ConstrainedListBox, self).keypress((maxcol,
408
 
                                                        maxrow), key)
 
318
        ret = super(ConstrainedListBox, self).keypress((maxcol, maxrow), key)
409
319
        if ret in (u"up", u"down"):
410
320
            return
411
321
        return ret
528
438
        Call this when the widget layout needs to change"""
529
439
        self.uilist = []
530
440
        #self.uilist.append(urwid.ListBox(self.clients))
531
 
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
532
 
                                                          clients),
 
441
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
533
442
                                       #header=urwid.Divider(),
534
443
                                       header=None,
535
 
                                       footer=
536
 
                                       urwid.Divider(div_char=
537
 
                                                     self.divider)))
 
444
                                       footer=urwid.Divider(div_char=self.divider)))
538
445
        if self.log_visible:
539
446
            self.uilist.append(self.logbox)
540
447
            pass
558
465
        """Toggle visibility of the log buffer."""
559
466
        self.log_visible = not self.log_visible
560
467
        self.rebuild()
561
 
        #self.log_message(u"Log visibility changed to: "
562
 
        #                 + unicode(self.log_visible))
 
468
        self.log_message(u"Log visibility changed to: "
 
469
                         + unicode(self.log_visible))
563
470
    
564
471
    def change_log_display(self):
565
472
        """Change type of log display.
570
477
            self.log_wrap = u"clip"
571
478
        for textwidget in self.log:
572
479
            textwidget.set_wrap_mode(self.log_wrap)
573
 
        #self.log_message(u"Wrap mode: " + self.log_wrap)
 
480
        self.log_message(u"Wrap mode: " + self.log_wrap)
574
481
    
575
482
    def find_and_remove_client(self, path, name):
576
483
        """Find an client from its object path and remove it.
603
510
        if path is None:
604
511
            path = client.proxy.object_path
605
512
        self.clients_dict[path] = client
606
 
        self.clients.sort(None, lambda c: c.properties[u"Name"])
 
513
        self.clients.sort(None, lambda c: c.properties[u"name"])
607
514
        self.refresh()
608
515
    
609
516
    def remove_client(self, client, path=None):
684
591
                self.log_message_raw((u"bold",
685
592
                                      u"  "
686
593
                                      .join((u"Clients:",
687
 
                                             u"+: Enable",
688
 
                                             u"-: Disable",
689
 
                                             u"R: Remove",
 
594
                                             u"e: Enable",
 
595
                                             u"d: Disable",
 
596
                                             u"r: Remove",
690
597
                                             u"s: Start new checker",
691
598
                                             u"S: Stop checker",
692
 
                                             u"C: Checker OK",
693
 
                                             u"a: Approve",
694
 
                                             u"d: Deny"))))
 
599
                                             u"C: Checker OK"))))
695
600
                self.refresh()
696
601
            elif key == u"tab":
697
602
                if self.topwidget.get_focus() is self.logbox:
725
630
ui = UserInterface()
726
631
try:
727
632
    ui.run()
728
 
except KeyboardInterrupt:
729
 
    ui.screen.stop()
730
633
except Exception, e:
731
634
    ui.log_message(unicode(e))
732
635
    ui.screen.stop()