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  • Committer: Teddy Hogeborn
  • Date: 2012-05-20 13:52:09 UTC
  • mfrom: (237.7.1 release)
  • mto: (237.4.32 release)
  • mto: This revision was merged to the branch mainline in revision 586.
  • Revision ID: teddy@recompile.se-20120520135209-4qencnc8bx594u2u
Tags: version-1.5.4-1
* Makefile (version): Changed to "1.5.4".
* NEWS (Version 1.5.4): New entry.
* debian/changelog (1.5.4-1): - '' -

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mandos-monitor
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#     GNU General Public License for more details.
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# 
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# 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/>.
 
20
# along with this program.  If not, see
 
21
# <http://www.gnu.org/licenses/>.
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# 
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# Contact the authors at <mandos@recompile.se>.
23
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# 
25
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from __future__ import (division, absolute_import, print_function,
26
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                        unicode_literals)
27
28
 
 
29
from future_builtins import *
 
30
 
28
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import sys
29
32
import os
30
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import signal
52
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domain = 'se.recompile'
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server_interface = domain + '.Mandos'
54
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client_interface = domain + '.Mandos.Client'
55
 
version = "1.5.3"
 
58
version = "1.5.4"
56
59
 
57
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# Always run in monochrome mode
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urwid.curses_display.curses.has_colors = lambda : False
83
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    properties and calls a hook function when any of them are
84
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    changed.
85
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    """
86
 
    def __init__(self, proxy_object=None, *args, **kwargs):
 
89
    def __init__(self, proxy_object=None, properties=None, **kwargs):
87
90
        self.proxy = proxy_object # Mandos Client proxy object
88
 
        
89
 
        self.properties = dict()
 
91
        self.properties = dict() if properties is None else properties
90
92
        self.property_changed_match = (
91
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            self.proxy.connect_to_signal("PropertyChanged",
92
 
                                         self.property_changed,
 
94
                                         self._property_changed,
93
95
                                         client_interface,
94
96
                                         byte_arrays=True))
95
97
        
96
 
        self.properties.update(
97
 
            self.proxy.GetAll(client_interface,
98
 
                              dbus_interface = dbus.PROPERTIES_IFACE))
99
 
 
100
 
        #XXX This breaks good super behaviour
101
 
#        super(MandosClientPropertyCache, self).__init__(
102
 
#            *args, **kwargs)
 
98
        if properties is None:
 
99
            self.properties.update(
 
100
                self.proxy.GetAll(client_interface,
 
101
                                  dbus_interface
 
102
                                  = dbus.PROPERTIES_IFACE))
 
103
        
 
104
        super(MandosClientPropertyCache, self).__init__(**kwargs)
 
105
    
 
106
    def _property_changed(self, property, value):
 
107
        """Helper which takes positional arguments"""
 
108
        return self.property_changed(property=property, value=value)
103
109
    
104
110
    def property_changed(self, property=None, value=None):
105
111
        """This is called whenever we get a PropertyChanged signal
108
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        # Update properties dict with new value
109
115
        self.properties[property] = value
110
116
    
111
 
    def delete(self, *args, **kwargs):
 
117
    def delete(self):
112
118
        self.property_changed_match.remove()
113
 
        super(MandosClientPropertyCache, self).__init__(
114
 
            *args, **kwargs)
115
119
 
116
120
 
117
121
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
119
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    """
120
124
    
121
125
    def __init__(self, server_proxy_object=None, update_hook=None,
122
 
                 delete_hook=None, logger=None, *args, **kwargs):
 
126
                 delete_hook=None, logger=None, **kwargs):
123
127
        # Called on update
124
128
        self.update_hook = update_hook
125
129
        # Called on delete
130
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        self.logger = logger
131
135
        
132
136
        self._update_timer_callback_tag = None
133
 
        self._update_timer_callback_lock = 0
134
137
        
135
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        # The widget shown normally
136
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        self._text_widget = urwid.Text("")
137
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        # The widget shown when we have focus
138
141
        self._focus_text_widget = urwid.Text("")
139
 
        super(MandosClientWidget, self).__init__(
140
 
            update_hook=update_hook, delete_hook=delete_hook,
141
 
            *args, **kwargs)
 
142
        super(MandosClientWidget, self).__init__(**kwargs)
142
143
        self.update()
143
144
        self.opened = False
144
145
        
145
 
        last_checked_ok = isoformat_to_datetime(self.properties
146
 
                                                ["LastCheckedOK"])
147
 
        
148
 
        if self.properties ["LastCheckerStatus"] != 0:
149
 
            self.using_timer(True)
150
 
        
151
 
        if self.need_approval:
152
 
            self.using_timer(True)
153
 
        
154
146
        self.match_objects = (
155
147
            self.proxy.connect_to_signal("CheckerCompleted",
156
148
                                         self.checker_completed,
172
164
                                         self.rejected,
173
165
                                         client_interface,
174
166
                                         byte_arrays=True))
175
 
        #self.logger('Created client %s' % (self.properties["Name"]))
176
 
    
177
 
    def property_changed(self, property=None, value=None):
178
 
        super(self, MandosClientWidget).property_changed(property,
179
 
                                                         value)
180
 
        if property == "ApprovalPending":
181
 
            using_timer(bool(value))
182
 
        if property == "LastCheckerStatus":
183
 
            using_timer(value != 0)
184
 
            #self.logger('Checker for client %s (command "%s")'
185
 
            #            ' was successful'
186
 
            #            % (self.properties["Name"], command))
 
167
        #self.logger('Created client {0}'
 
168
        #            .format(self.properties["Name"]))
187
169
    
188
170
    def using_timer(self, flag):
189
171
        """Call this method with True or False when timer should be
190
172
        activated or deactivated.
191
173
        """
192
 
        old = self._update_timer_callback_lock
193
 
        if flag:
194
 
            self._update_timer_callback_lock += 1
195
 
        else:
196
 
            self._update_timer_callback_lock -= 1
197
 
        if old == 0 and self._update_timer_callback_lock:
 
174
        if flag and self._update_timer_callback_tag is None:
198
175
            # Will update the shown timer value every second
199
176
            self._update_timer_callback_tag = (gobject.timeout_add
200
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                                               (1000,
201
178
                                                self.update_timer))
202
 
        elif old and self._update_timer_callback_lock == 0:
 
179
        elif not (flag or self._update_timer_callback_tag is None):
203
180
            gobject.source_remove(self._update_timer_callback_tag)
204
181
            self._update_timer_callback_tag = None
205
182
    
209
186
            return
210
187
        # Checker failed
211
188
        if os.WIFEXITED(condition):
212
 
            self.logger('Checker for client %s (command "%s")'
213
 
                        ' failed with exit code %s'
214
 
                        % (self.properties["Name"], command,
215
 
                           os.WEXITSTATUS(condition)))
 
189
            self.logger('Checker for client {0} (command "{1}")'
 
190
                        ' failed with exit code {2}'
 
191
                        .format(self.properties["Name"], command,
 
192
                                os.WEXITSTATUS(condition)))
216
193
        elif os.WIFSIGNALED(condition):
217
 
            self.logger('Checker for client %s (command "%s")'
218
 
                        ' was killed by signal %s'
219
 
                        % (self.properties["Name"], command,
220
 
                           os.WTERMSIG(condition)))
 
194
            self.logger('Checker for client {0} (command "{1}") was'
 
195
                        ' killed by signal {2}'
 
196
                        .format(self.properties["Name"], command,
 
197
                                os.WTERMSIG(condition)))
221
198
        elif os.WCOREDUMP(condition):
222
 
            self.logger('Checker for client %s (command "%s")'
 
199
            self.logger('Checker for client {0} (command "{1}")'
223
200
                        ' dumped core'
224
 
                        % (self.properties["Name"], command))
 
201
                        .format(self.properties["Name"], command))
225
202
        else:
226
 
            self.logger('Checker for client %s completed'
227
 
                        ' mysteriously')
 
203
            self.logger('Checker for client {0} completed'
 
204
                        ' mysteriously'
 
205
                        .format(self.properties["Name"]))
228
206
        self.update()
229
207
    
230
208
    def checker_started(self, command):
231
209
        """Server signals that a checker started. This could be useful
232
210
           to log in the future. """
233
 
        #self.logger('Client %s started checker "%s"'
234
 
        #            % (self.properties["Name"], unicode(command)))
 
211
        #self.logger('Client {0} started checker "{1}"'
 
212
        #            .format(self.properties["Name"],
 
213
        #                    unicode(command)))
235
214
        pass
236
215
    
237
216
    def got_secret(self):
238
 
        self.logger('Client %s received its secret'
239
 
                    % self.properties["Name"])
 
217
        self.logger('Client {0} received its secret'
 
218
                    .format(self.properties["Name"]))
240
219
    
241
220
    def need_approval(self, timeout, default):
242
221
        if not default:
243
 
            message = 'Client %s needs approval within %s seconds'
 
222
            message = 'Client {0} needs approval within {1} seconds'
244
223
        else:
245
 
            message = 'Client %s will get its secret in %s seconds'
246
 
        self.logger(message
247
 
                    % (self.properties["Name"], timeout/1000))
248
 
        self.using_timer(True)
 
224
            message = 'Client {0} will get its secret in {1} seconds'
 
225
        self.logger(message.format(self.properties["Name"],
 
226
                                   timeout/1000))
249
227
    
250
228
    def rejected(self, reason):
251
 
        self.logger('Client %s was rejected; reason: %s'
252
 
                    % (self.properties["Name"], reason))
 
229
        self.logger('Client {0} was rejected; reason: {1}'
 
230
                    .format(self.properties["Name"], reason))
253
231
    
254
232
    def selectable(self):
255
233
        """Make this a "selectable" widget.
277
255
                          "bold-underline-blink":
278
256
                              "bold-underline-blink-standout",
279
257
                          }
280
 
 
 
258
        
281
259
        # Rebuild focus and non-focus widgets using current properties
282
 
 
 
260
        
283
261
        # Base part of a client. Name!
284
 
        base = ('%(name)s: '
285
 
                      % {"name": self.properties["Name"]})
 
262
        base = '{name}: '.format(name=self.properties["Name"])
286
263
        if not self.properties["Enabled"]:
287
264
            message = "DISABLED"
 
265
            self.using_timer(False)
288
266
        elif self.properties["ApprovalPending"]:
289
267
            timeout = datetime.timedelta(milliseconds
290
268
                                         = self.properties
292
270
            last_approval_request = isoformat_to_datetime(
293
271
                self.properties["LastApprovalRequest"])
294
272
            if last_approval_request is not None:
295
 
                timer = timeout - (datetime.datetime.utcnow()
296
 
                                   - last_approval_request)
 
273
                timer = max(timeout - (datetime.datetime.utcnow()
 
274
                                       - last_approval_request),
 
275
                            datetime.timedelta())
297
276
            else:
298
277
                timer = datetime.timedelta()
299
278
            if self.properties["ApprovedByDefault"]:
300
 
                message = "Approval in %s. (d)eny?"
 
279
                message = "Approval in {0}. (d)eny?"
301
280
            else:
302
 
                message = "Denial in %s. (a)pprove?"
303
 
            message = message % unicode(timer).rsplit(".", 1)[0]
 
281
                message = "Denial in {0}. (a)pprove?"
 
282
            message = message.format(unicode(timer).rsplit(".", 1)[0])
 
283
            self.using_timer(True)
304
284
        elif self.properties["LastCheckerStatus"] != 0:
305
 
            # When checker has failed, print a timer until client expires
 
285
            # When checker has failed, show timer until client expires
306
286
            expires = self.properties["Expires"]
307
287
            if expires == "":
308
288
                timer = datetime.timedelta(0)
309
289
            else:
310
 
                expires = datetime.datetime.strptime(expires,
311
 
                                                     '%Y-%m-%dT%H:%M:%S.%f')
312
 
                timer = expires - datetime.datetime.utcnow()
 
290
                expires = (datetime.datetime.strptime
 
291
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
 
292
                timer = max(expires - datetime.datetime.utcnow(),
 
293
                            datetime.timedelta())
313
294
            message = ('A checker has failed! Time until client'
314
 
                       ' gets disabled: %s'
315
 
                           % unicode(timer).rsplit(".", 1)[0])
 
295
                       ' gets disabled: {0}'
 
296
                       .format(unicode(timer).rsplit(".", 1)[0]))
 
297
            self.using_timer(True)
316
298
        else:
317
299
            message = "enabled"
318
 
        self._text = "%s%s" % (base, message)
319
 
            
 
300
            self.using_timer(False)
 
301
        self._text = "{0}{1}".format(base, message)
 
302
        
320
303
        if not urwid.supports_unicode():
321
304
            self._text = self._text.encode("ascii", "replace")
322
305
        textlist = [("normal", self._text)]
339
322
        self.update()
340
323
        return True             # Keep calling this
341
324
    
342
 
    def delete(self, *args, **kwargs):
 
325
    def delete(self, **kwargs):
343
326
        if self._update_timer_callback_tag is not None:
344
327
            gobject.source_remove(self._update_timer_callback_tag)
345
328
            self._update_timer_callback_tag = None
348
331
        self.match_objects = ()
349
332
        if self.delete_hook is not None:
350
333
            self.delete_hook(self)
351
 
        return super(MandosClientWidget, self).delete(*args, **kwargs)
 
334
        return super(MandosClientWidget, self).delete(**kwargs)
352
335
    
353
336
    def render(self, maxcolrow, focus=False):
354
337
        """Render differently if we have focus.
396
379
        else:
397
380
            return key
398
381
    
399
 
    def property_changed(self, property=None, value=None,
400
 
                         *args, **kwargs):
 
382
    def property_changed(self, property=None, **kwargs):
401
383
        """Call self.update() if old value is not new value.
402
384
        This overrides the method from MandosClientPropertyCache"""
403
385
        property_name = unicode(property)
404
386
        old_value = self.properties.get(property_name)
405
387
        super(MandosClientWidget, self).property_changed(
406
 
            property=property, value=value, *args, **kwargs)
 
388
            property=property, **kwargs)
407
389
        if self.properties.get(property_name) != old_value:
408
390
            self.update()
409
391
 
413
395
    "down" key presses, thus not allowing any containing widgets to
414
396
    use them as an excuse to shift focus away from this widget.
415
397
    """
416
 
    def keypress(self, maxcolrow, key):
417
 
        ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
 
398
    def keypress(self, *args, **kwargs):
 
399
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
418
400
        if ret in ("up", "down"):
419
401
            return
420
402
        return ret
486
468
        self.main_loop = gobject.MainLoop()
487
469
    
488
470
    def client_not_found(self, fingerprint, address):
489
 
        self.log_message(("Client with address %s and fingerprint %s"
490
 
                          " could not be found" % (address,
491
 
                                                    fingerprint)))
 
471
        self.log_message("Client with address {0} and fingerprint"
 
472
                         " {1} could not be found"
 
473
                         .format(address, fingerprint))
492
474
    
493
475
    def rebuild(self):
494
476
        """This rebuilds the User Interface.
547
529
            client = self.clients_dict[path]
548
530
        except KeyError:
549
531
            # not found?
550
 
            self.log_message("Unknown client %r (%r) removed", name,
551
 
                             path)
 
532
            self.log_message("Unknown client {0!r} ({1!r}) removed"
 
533
                             .format(name, path))
552
534
            return
553
535
        client.delete()
554
536
    
635
617
                                               logger
636
618
                                               =self.log_message),
637
619
                            path=path)
638
 
 
 
620
        
639
621
        self.refresh()
640
622
        self._input_callback_tag = (gobject.io_add_watch
641
623
                                    (sys.stdin.fileno(),