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# Mandos Monitor - Control and monitor the Mandos server
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# Copyright © 2009-2014 Teddy Hogeborn
7
 
# Copyright © 2009-2014 Björn Påhlsson
 
6
# Copyright © 2009-2011 Teddy Hogeborn
 
7
# Copyright © 2009-2011 Björn Påhlsson
8
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# 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
 
    import gobject
44
 
except ImportError:
45
 
    from gi.repository 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 = "1.6.9"
 
54
version = "1.2.3"
 
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)
64
63
 
65
64
def isoformat_to_datetime(iso):
66
65
    "Parse an ISO 8601 date string to a datetime.datetime()"
83
82
    properties and calls a hook function when any of them are
84
83
    changed.
85
84
    """
86
 
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
85
    def __init__(self, proxy_object=None, *args, **kwargs):
87
86
        self.proxy = proxy_object # Mandos Client proxy object
88
 
        self.properties = dict() if properties is None else properties
89
 
        self.property_changed_match = (
90
 
            self.proxy.connect_to_signal("PropertiesChanged",
91
 
                                         self.properties_changed,
92
 
                                         dbus.PROPERTIES_IFACE,
93
 
                                         byte_arrays=True))
94
 
        
95
 
        if properties is None:
96
 
            self.properties.update(
97
 
                self.proxy.GetAll(client_interface,
98
 
                                  dbus_interface
99
 
                                  = dbus.PROPERTIES_IFACE))
100
 
        
101
 
        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)
102
101
    
103
 
    def properties_changed(self, interface, properties, invalidated):
104
 
        """This is called whenever we get a PropertiesChanged signal
105
 
        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.
106
105
        """
107
106
        # Update properties dict with new value
108
 
        self.properties.update(properties)
109
 
    
110
 
    def delete(self):
111
 
        self.property_changed_match.remove()
 
107
        self.properties[property] = value
112
108
 
113
109
 
114
110
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
116
112
    """
117
113
    
118
114
    def __init__(self, server_proxy_object=None, update_hook=None,
119
 
                 delete_hook=None, logger=None, **kwargs):
 
115
                 delete_hook=None, logger=None, *args, **kwargs):
120
116
        # Called on update
121
117
        self.update_hook = update_hook
122
118
        # Called on delete
127
123
        self.logger = logger
128
124
        
129
125
        self._update_timer_callback_tag = None
 
126
        self._update_timer_callback_lock = 0
 
127
        self.last_checker_failed = False
130
128
        
131
129
        # The widget shown normally
132
130
        self._text_widget = urwid.Text("")
133
131
        # The widget shown when we have focus
134
132
        self._focus_text_widget = urwid.Text("")
135
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
133
        super(MandosClientWidget, self).__init__(
 
134
            update_hook=update_hook, delete_hook=delete_hook,
 
135
            *args, **kwargs)
136
136
        self.update()
137
137
        self.opened = False
138
138
        
139
 
        self.match_objects = (
140
 
            self.proxy.connect_to_signal("CheckerCompleted",
141
 
                                         self.checker_completed,
142
 
                                         client_interface,
143
 
                                         byte_arrays=True),
144
 
            self.proxy.connect_to_signal("CheckerStarted",
145
 
                                         self.checker_started,
146
 
                                         client_interface,
147
 
                                         byte_arrays=True),
148
 
            self.proxy.connect_to_signal("GotSecret",
149
 
                                         self.got_secret,
150
 
                                         client_interface,
151
 
                                         byte_arrays=True),
152
 
            self.proxy.connect_to_signal("NeedApproval",
153
 
                                         self.need_approval,
154
 
                                         client_interface,
155
 
                                         byte_arrays=True),
156
 
            self.proxy.connect_to_signal("Rejected",
157
 
                                         self.rejected,
158
 
                                         client_interface,
159
 
                                         byte_arrays=True))
160
 
        self.logger('Created client {}'
161
 
                    .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)
162
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
        
163
184
    def using_timer(self, flag):
164
185
        """Call this method with True or False when timer should be
165
186
        activated or deactivated.
166
187
        """
167
 
        if flag and self._update_timer_callback_tag is None:
168
 
            # Will update the shown timer value every second
 
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:
169
194
            self._update_timer_callback_tag = (gobject.timeout_add
170
195
                                               (1000,
171
196
                                                self.update_timer))
172
 
        elif not (flag or self._update_timer_callback_tag is None):
 
197
        elif old and self._update_timer_callback_lock == 0:
173
198
            gobject.source_remove(self._update_timer_callback_tag)
174
199
            self._update_timer_callback_tag = None
175
200
    
176
201
    def checker_completed(self, exitstatus, condition, command):
177
202
        if exitstatus == 0:
178
 
            self.logger('Checker for client {} (command "{}")'
179
 
                        ' succeeded'.format(self.properties["Name"],
180
 
                                            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))
181
209
            self.update()
182
210
            return
183
211
        # Checker failed
 
212
        if not self.last_checker_failed:
 
213
            self.last_checker_failed = True
 
214
            self.using_timer(True)
184
215
        if os.WIFEXITED(condition):
185
 
            self.logger('Checker for client {} (command "{}") failed'
186
 
                        ' with exit code {}'
187
 
                        .format(self.properties["Name"], command,
188
 
                                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)))
189
220
        elif os.WIFSIGNALED(condition):
190
 
            self.logger('Checker for client {} (command "{}") was'
191
 
                        ' killed by signal {}'
192
 
                        .format(self.properties["Name"], command,
193
 
                                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)))
194
225
        elif os.WCOREDUMP(condition):
195
 
            self.logger('Checker for client {} (command "{}") dumped'
196
 
                        ' core'.format(self.properties["Name"],
197
 
                                       command))
 
226
            self.logger('Checker for client %s (command "%s")'
 
227
                        ' dumped core'
 
228
                        % (self.properties["Name"], command))
198
229
        else:
199
 
            self.logger('Checker for client {} completed'
200
 
                        ' mysteriously'
201
 
                        .format(self.properties["Name"]))
 
230
            self.logger('Checker for client %s completed'
 
231
                        ' mysteriously')
202
232
        self.update()
203
233
    
204
234
    def checker_started(self, command):
205
 
        """Server signals that a checker started."""
206
 
        self.logger('Client {} started checker "{}"'
207
 
                    .format(self.properties["Name"],
208
 
                            command), level=0)
 
235
        #self.logger('Client %s started checker "%s"'
 
236
        #            % (self.properties["Name"], unicode(command)))
 
237
        pass
209
238
    
210
239
    def got_secret(self):
211
 
        self.logger('Client {} received its secret'
212
 
                    .format(self.properties["Name"]))
 
240
        self.last_checker_failed = False
 
241
        self.logger('Client %s received its secret'
 
242
                    % self.properties["Name"])
213
243
    
214
244
    def need_approval(self, timeout, default):
215
245
        if not default:
216
 
            message = 'Client {} needs approval within {} seconds'
 
246
            message = 'Client %s needs approval within %s seconds'
217
247
        else:
218
 
            message = 'Client {} will get its secret in {} seconds'
219
 
        self.logger(message.format(self.properties["Name"],
220
 
                                   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)
221
252
    
222
253
    def rejected(self, reason):
223
 
        self.logger('Client {} was rejected; reason: {}'
224
 
                    .format(self.properties["Name"], reason))
 
254
        self.logger('Client %s was rejected; reason: %s'
 
255
                    % (self.properties["Name"], reason))
225
256
    
226
257
    def selectable(self):
227
258
        """Make this a "selectable" widget.
249
280
                          "bold-underline-blink":
250
281
                              "bold-underline-blink-standout",
251
282
                          }
252
 
        
 
283
 
253
284
        # Rebuild focus and non-focus widgets using current properties
254
 
        
 
285
 
255
286
        # Base part of a client. Name!
256
 
        base = '{name}: '.format(name=self.properties["Name"])
 
287
        base = ('%(name)s: '
 
288
                      % {"name": self.properties["Name"]})
257
289
        if not self.properties["Enabled"]:
258
290
            message = "DISABLED"
259
 
            self.using_timer(False)
260
291
        elif self.properties["ApprovalPending"]:
261
292
            timeout = datetime.timedelta(milliseconds
262
293
                                         = self.properties
264
295
            last_approval_request = isoformat_to_datetime(
265
296
                self.properties["LastApprovalRequest"])
266
297
            if last_approval_request is not None:
267
 
                timer = max(timeout - (datetime.datetime.utcnow()
268
 
                                       - last_approval_request),
269
 
                            datetime.timedelta())
 
298
                timer = timeout - (datetime.datetime.utcnow()
 
299
                                   - last_approval_request)
270
300
            else:
271
301
                timer = datetime.timedelta()
272
302
            if self.properties["ApprovedByDefault"]:
273
 
                message = "Approval in {}. (d)eny?"
274
 
            else:
275
 
                message = "Denial in {}. (a)pprove?"
276
 
            message = message.format(str(timer).rsplit(".", 1)[0])
277
 
            self.using_timer(True)
278
 
        elif self.properties["LastCheckerStatus"] != 0:
279
 
            # When checker has failed, show timer until client expires
280
 
            expires = self.properties["Expires"]
281
 
            if expires == "":
282
 
                timer = datetime.timedelta(0)
283
 
            else:
284
 
                expires = (datetime.datetime.strptime
285
 
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
286
 
                timer = max(expires - datetime.datetime.utcnow(),
287
 
                            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)
288
316
            message = ('A checker has failed! Time until client'
289
 
                       ' gets disabled: {}'
290
 
                       .format(str(timer).rsplit(".", 1)[0]))
291
 
            self.using_timer(True)
 
317
                       ' gets disabled: %s'
 
318
                           % unicode(timer).rsplit(".", 1)[0])
292
319
        else:
293
320
            message = "enabled"
294
 
            self.using_timer(False)
295
 
        self._text = "{}{}".format(base, message)
296
 
        
 
321
        self._text = "%s%s" % (base, message)
 
322
            
297
323
        if not urwid.supports_unicode():
298
324
            self._text = self._text.encode("ascii", "replace")
299
325
        textlist = [("normal", self._text)]
311
337
            self.update_hook()
312
338
    
313
339
    def update_timer(self):
314
 
        """called by gobject. Will indefinitely loop until
315
 
        gobject.source_remove() on tag is called"""
 
340
        "called by gobject"
316
341
        self.update()
317
342
        return True             # Keep calling this
318
343
    
319
 
    def delete(self, **kwargs):
 
344
    def delete(self):
320
345
        if self._update_timer_callback_tag is not None:
321
346
            gobject.source_remove(self._update_timer_callback_tag)
322
347
            self._update_timer_callback_tag = None
323
 
        for match in self.match_objects:
324
 
            match.remove()
325
 
        self.match_objects = ()
326
348
        if self.delete_hook is not None:
327
349
            self.delete_hook(self)
328
 
        return super(MandosClientWidget, self).delete(**kwargs)
329
350
    
330
351
    def render(self, maxcolrow, focus=False):
331
352
        """Render differently if we have focus.
337
358
        """Handle keys.
338
359
        This overrides the method from urwid.FlowWidget"""
339
360
        if key == "+":
340
 
            self.proxy.Enable(dbus_interface = client_interface,
341
 
                              ignore_reply=True)
 
361
            self.proxy.Enable(dbus_interface = client_interface)
342
362
        elif key == "-":
343
 
            self.proxy.Disable(dbus_interface = client_interface,
344
 
                               ignore_reply=True)
 
363
            self.proxy.Disable(dbus_interface = client_interface)
345
364
        elif key == "a":
346
365
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
347
 
                               dbus_interface = client_interface,
348
 
                               ignore_reply=True)
 
366
                               dbus_interface = client_interface)
349
367
        elif key == "d":
350
368
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
351
 
                                  dbus_interface = client_interface,
352
 
                               ignore_reply=True)
 
369
                                  dbus_interface = client_interface)
353
370
        elif key == "R" or key == "_" or key == "ctrl k":
354
371
            self.server_proxy_object.RemoveClient(self.proxy
355
 
                                                  .object_path,
356
 
                                                  ignore_reply=True)
 
372
                                                  .object_path)
357
373
        elif key == "s":
358
 
            self.proxy.StartChecker(dbus_interface = client_interface,
359
 
                                    ignore_reply=True)
 
374
            self.proxy.StartChecker(dbus_interface = client_interface)
360
375
        elif key == "S":
361
 
            self.proxy.StopChecker(dbus_interface = client_interface,
362
 
                                   ignore_reply=True)
 
376
            self.proxy.StopChecker(dbus_interface = client_interface)
363
377
        elif key == "C":
364
 
            self.proxy.CheckedOK(dbus_interface = client_interface,
365
 
                                 ignore_reply=True)
 
378
            self.proxy.CheckedOK(dbus_interface = client_interface)
366
379
        # xxx
367
380
#         elif key == "p" or key == "=":
368
381
#             self.proxy.pause()
373
386
        else:
374
387
            return key
375
388
    
376
 
    def properties_changed(self, interface, properties, invalidated):
377
 
        """Call self.update() if any properties changed.
 
389
    def property_changed(self, property=None, value=None,
 
390
                         *args, **kwargs):
 
391
        """Call self.update() if old value is not new value.
378
392
        This overrides the method from MandosClientPropertyCache"""
379
 
        old_values = { key: self.properties.get(key)
380
 
                       for key in properties.keys() }
381
 
        super(MandosClientWidget, self).properties_changed(
382
 
            interface, properties, invalidated)
383
 
        if any(old_values[key] != self.properties.get(key)
384
 
               for key in old_values):
 
393
        property_name = unicode(property)
 
394
        old_value = self.properties.get(property_name)
 
395
        super(MandosClientWidget, self).property_changed(
 
396
            property=property, value=value, *args, **kwargs)
 
397
        if self.properties.get(property_name) != old_value:
385
398
            self.update()
386
399
 
387
400
 
390
403
    "down" key presses, thus not allowing any containing widgets to
391
404
    use them as an excuse to shift focus away from this widget.
392
405
    """
393
 
    def keypress(self, *args, **kwargs):
394
 
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
 
406
    def keypress(self, maxcolrow, key):
 
407
        ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
395
408
        if ret in ("up", "down"):
396
409
            return
397
410
        return ret
401
414
    """This is the entire user interface - the whole screen
402
415
    with boxes, lists of client widgets, etc.
403
416
    """
404
 
    def __init__(self, max_log_length=1000, log_level=1):
 
417
    def __init__(self, max_log_length=1000):
405
418
        DBusGMainLoop(set_as_default=True)
406
419
        
407
420
        self.screen = urwid.curses_display.Screen()
410
423
                ("normal",
411
424
                 "default", "default", None),
412
425
                ("bold",
413
 
                 "bold", "default", "bold"),
 
426
                 "default", "default", "bold"),
414
427
                ("underline-blink",
415
 
                 "underline,blink", "default", "underline,blink"),
 
428
                 "default", "default", "underline"),
416
429
                ("standout",
417
 
                 "standout", "default", "standout"),
 
430
                 "default", "default", "standout"),
418
431
                ("bold-underline-blink",
419
 
                 "bold,underline,blink", "default", "bold,underline,blink"),
 
432
                 "default", "default", ("bold", "underline")),
420
433
                ("bold-standout",
421
 
                 "bold,standout", "default", "bold,standout"),
 
434
                 "default", "default", ("bold", "standout")),
422
435
                ("underline-blink-standout",
423
 
                 "underline,blink,standout", "default",
424
 
                 "underline,blink,standout"),
 
436
                 "default", "default", ("underline", "standout")),
425
437
                ("bold-underline-blink-standout",
426
 
                 "bold,underline,blink,standout", "default",
427
 
                 "bold,underline,blink,standout"),
 
438
                 "default", "default", ("bold", "underline",
 
439
                                          "standout")),
428
440
                ))
429
441
        
430
442
        if urwid.supports_unicode():
445
457
        self.log = []
446
458
        self.max_log_length = max_log_length
447
459
        
448
 
        self.log_level = log_level
449
 
        
450
460
        # We keep a reference to the log widget so we can remove it
451
461
        # from the ListWalker without it getting destroyed
452
462
        self.logbox = ConstrainedListBox(self.log)
464
474
        
465
475
        self.busname = domain + '.Mandos'
466
476
        self.main_loop = gobject.MainLoop()
 
477
        self.bus = dbus.SystemBus()
 
478
        mandos_dbus_objc = self.bus.get_object(
 
479
            self.busname, "/", follow_name_owner_changes=True)
 
480
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
481
                                          dbus_interface
 
482
                                          = server_interface)
 
483
        try:
 
484
            mandos_clients = (self.mandos_serv
 
485
                              .GetAllClientsWithProperties())
 
486
        except dbus.exceptions.DBusException:
 
487
            mandos_clients = dbus.Dictionary()
 
488
        
 
489
        (self.mandos_serv
 
490
         .connect_to_signal("ClientRemoved",
 
491
                            self.find_and_remove_client,
 
492
                            dbus_interface=server_interface,
 
493
                            byte_arrays=True))
 
494
        (self.mandos_serv
 
495
         .connect_to_signal("ClientAdded",
 
496
                            self.add_new_client,
 
497
                            dbus_interface=server_interface,
 
498
                            byte_arrays=True))
 
499
        (self.mandos_serv
 
500
         .connect_to_signal("ClientNotFound",
 
501
                            self.client_not_found,
 
502
                            dbus_interface=server_interface,
 
503
                            byte_arrays=True))
 
504
        for path, client in mandos_clients.iteritems():
 
505
            client_proxy_object = self.bus.get_object(self.busname,
 
506
                                                      path)
 
507
            self.add_client(MandosClientWidget(server_proxy_object
 
508
                                               =self.mandos_serv,
 
509
                                               proxy_object
 
510
                                               =client_proxy_object,
 
511
                                               properties=client,
 
512
                                               update_hook
 
513
                                               =self.refresh,
 
514
                                               delete_hook
 
515
                                               =self.remove_client,
 
516
                                               logger
 
517
                                               =self.log_message),
 
518
                            path=path)
467
519
    
468
520
    def client_not_found(self, fingerprint, address):
469
 
        self.log_message("Client with address {} and fingerprint {}"
470
 
                         " could not be found"
471
 
                         .format(address, fingerprint))
 
521
        self.log_message(("Client with address %s and fingerprint %s"
 
522
                          " could not be found" % (address,
 
523
                                                    fingerprint)))
472
524
    
473
525
    def rebuild(self):
474
526
        """This rebuilds the User Interface.
484
536
                                                     self.divider)))
485
537
        if self.log_visible:
486
538
            self.uilist.append(self.logbox)
 
539
            pass
487
540
        self.topwidget = urwid.Pile(self.uilist)
488
541
    
489
 
    def log_message(self, message, level=1):
490
 
        """Log message formatted with timestamp"""
491
 
        if level < self.log_level:
492
 
            return
 
542
    def log_message(self, message):
493
543
        timestamp = datetime.datetime.now().isoformat()
494
 
        self.log_message_raw("{}: {}".format(timestamp, message),
495
 
                             level=level)
 
544
        self.log_message_raw(timestamp + ": " + message)
496
545
    
497
 
    def log_message_raw(self, markup, level=1):
 
546
    def log_message_raw(self, markup):
498
547
        """Add a log message to the log buffer."""
499
 
        if level < self.log_level:
500
 
            return
501
548
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
502
549
        if (self.max_log_length
503
550
            and len(self.log) > self.max_log_length):
510
557
        """Toggle visibility of the log buffer."""
511
558
        self.log_visible = not self.log_visible
512
559
        self.rebuild()
513
 
        self.log_message("Log visibility changed to: {}"
514
 
                         .format(self.log_visible), level=0)
 
560
        #self.log_message("Log visibility changed to: "
 
561
        #                 + unicode(self.log_visible))
515
562
    
516
563
    def change_log_display(self):
517
564
        """Change type of log display.
522
569
            self.log_wrap = "clip"
523
570
        for textwidget in self.log:
524
571
            textwidget.set_wrap_mode(self.log_wrap)
525
 
        self.log_message("Wrap mode: {}".format(self.log_wrap),
526
 
                         level=0)
 
572
        #self.log_message("Wrap mode: " + self.log_wrap)
527
573
    
528
574
    def find_and_remove_client(self, path, name):
529
 
        """Find a client by its object path and remove it.
 
575
        """Find an client from its object path and remove it.
530
576
        
531
577
        This is connected to the ClientRemoved signal from the
532
578
        Mandos server object."""
534
580
            client = self.clients_dict[path]
535
581
        except KeyError:
536
582
            # not found?
537
 
            self.log_message("Unknown client {!r} ({!r}) removed"
538
 
                             .format(name, path))
539
583
            return
540
 
        client.delete()
 
584
        self.remove_client(client, path)
541
585
    
542
586
    def add_new_client(self, path):
543
587
        client_proxy_object = self.bus.get_object(self.busname, path)
558
602
        if path is None:
559
603
            path = client.proxy.object_path
560
604
        self.clients_dict[path] = client
561
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
605
        self.clients.sort(None, lambda c: c.properties["Name"])
562
606
        self.refresh()
563
607
    
564
608
    def remove_client(self, client, path=None):
566
610
        if path is None:
567
611
            path = client.proxy.object_path
568
612
        del self.clients_dict[path]
 
613
        if not self.clients_dict:
 
614
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
615
            # is completely emptied, we need to recreate it.
 
616
            self.clients = urwid.SimpleListWalker([])
 
617
            self.rebuild()
569
618
        self.refresh()
570
619
    
571
620
    def refresh(self):
575
624
    
576
625
    def run(self):
577
626
        """Start the main loop and exit when it's done."""
578
 
        self.bus = dbus.SystemBus()
579
 
        mandos_dbus_objc = self.bus.get_object(
580
 
            self.busname, "/", follow_name_owner_changes=True)
581
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
582
 
                                          dbus_interface
583
 
                                          = server_interface)
584
 
        try:
585
 
            mandos_clients = (self.mandos_serv
586
 
                              .GetAllClientsWithProperties())
587
 
            if not mandos_clients:
588
 
                self.log_message_raw(("bold", "Note: Server has no clients."))
589
 
        except dbus.exceptions.DBusException:
590
 
            self.log_message_raw(("bold", "Note: No Mandos server running."))
591
 
            mandos_clients = dbus.Dictionary()
592
 
        
593
 
        (self.mandos_serv
594
 
         .connect_to_signal("ClientRemoved",
595
 
                            self.find_and_remove_client,
596
 
                            dbus_interface=server_interface,
597
 
                            byte_arrays=True))
598
 
        (self.mandos_serv
599
 
         .connect_to_signal("ClientAdded",
600
 
                            self.add_new_client,
601
 
                            dbus_interface=server_interface,
602
 
                            byte_arrays=True))
603
 
        (self.mandos_serv
604
 
         .connect_to_signal("ClientNotFound",
605
 
                            self.client_not_found,
606
 
                            dbus_interface=server_interface,
607
 
                            byte_arrays=True))
608
 
        for path, client in mandos_clients.items():
609
 
            client_proxy_object = self.bus.get_object(self.busname,
610
 
                                                      path)
611
 
            self.add_client(MandosClientWidget(server_proxy_object
612
 
                                               =self.mandos_serv,
613
 
                                               proxy_object
614
 
                                               =client_proxy_object,
615
 
                                               properties=client,
616
 
                                               update_hook
617
 
                                               =self.refresh,
618
 
                                               delete_hook
619
 
                                               =self.remove_client,
620
 
                                               logger
621
 
                                               =self.log_message),
622
 
                            path=path)
623
 
        
624
627
        self.refresh()
625
628
        self._input_callback_tag = (gobject.io_add_watch
626
629
                                    (sys.stdin.fileno(),
658
661
            elif key == "window resize":
659
662
                self.size = self.screen.get_cols_rows()
660
663
                self.refresh()
661
 
            elif key == "ctrl l":
662
 
                self.screen.clear()
 
664
            elif key == "\f":  # Ctrl-L
663
665
                self.refresh()
664
666
            elif key == "l" or key == "D":
665
667
                self.toggle_log_display()
677
679
                                            "?: Help",
678
680
                                            "l: Log window toggle",
679
681
                                            "TAB: Switch window",
680
 
                                            "w: Wrap (log lines)",
681
 
                                            "v: Toggle verbose log",
682
 
                                            ))))
 
682
                                            "w: Wrap (log)"))))
683
683
                self.log_message_raw(("bold",
684
684
                                      "  "
685
685
                                      .join(("Clients:",
698
698
                else:
699
699
                    self.topwidget.set_focus(self.logbox)
700
700
                self.refresh()
701
 
            elif key == "v":
702
 
                if self.log_level == 0:
703
 
                    self.log_level = 1
704
 
                    self.log_message("Verbose mode: Off")
705
 
                else:
706
 
                    self.log_level = 0
707
 
                    self.log_message("Verbose mode: On")
708
701
            #elif (key == "end" or key == "meta >" or key == "G"
709
702
            #      or key == ">"):
710
703
            #    pass            # xxx end-of-buffer
733
726
    ui.run()
734
727
except KeyboardInterrupt:
735
728
    ui.screen.stop()
736
 
except Exception as e:
737
 
    ui.log_message(str(e))
 
729
except Exception, e:
 
730
    ui.log_message(unicode(e))
738
731
    ui.screen.stop()
739
732
    raise