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mandos-monitor
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#!/usr/bin/python
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# -*- mode: python; coding: utf-8 -*-
 
3
# 
 
4
# Mandos Monitor - Control and monitor the Mandos server
 
5
# 
 
6
# Copyright © 2009-2012 Teddy Hogeborn
 
7
# Copyright © 2009-2012 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@recompile.se>.
 
23
# 
3
24
 
4
 
from __future__ import division, absolute_import, with_statement
 
25
from __future__ import (division, absolute_import, print_function,
 
26
                        unicode_literals)
5
27
 
6
28
import sys
7
29
import os
21
43
 
22
44
import locale
23
45
 
24
 
locale.setlocale(locale.LC_ALL, u'')
 
46
locale.setlocale(locale.LC_ALL, '')
25
47
 
26
48
import logging
27
49
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
28
50
 
29
51
# Some useful constants
30
 
domain = 'se.bsnet.fukt'
 
52
domain = 'se.recompile'
31
53
server_interface = domain + '.Mandos'
32
54
client_interface = domain + '.Mandos.Client'
33
 
version = "1.0.15"
 
55
version = "1.4.1"
34
56
 
35
57
# Always run in monochrome mode
36
58
urwid.curses_display.curses.has_colors = lambda : False
44
66
    "Parse an ISO 8601 date string to a datetime.datetime()"
45
67
    if not iso:
46
68
        return None
47
 
    d, t = iso.split(u"T", 1)
48
 
    year, month, day = d.split(u"-", 2)
49
 
    hour, minute, second = t.split(u":", 2)
 
69
    d, t = iso.split("T", 1)
 
70
    year, month, day = d.split("-", 2)
 
71
    hour, minute, second = t.split(":", 2)
50
72
    second, fraction = divmod(float(second), 1)
51
73
    return datetime.datetime(int(year),
52
74
                             int(month),
65
87
        self.proxy = proxy_object # Mandos Client proxy object
66
88
        
67
89
        self.properties = dict()
68
 
        self.proxy.connect_to_signal(u"PropertyChanged",
69
 
                                     self.property_changed,
70
 
                                     client_interface,
71
 
                                     byte_arrays=True)
 
90
        self.property_changed_match = (
 
91
            self.proxy.connect_to_signal("PropertyChanged",
 
92
                                         self.property_changed,
 
93
                                         client_interface,
 
94
                                         byte_arrays=True))
72
95
        
73
96
        self.properties.update(
74
97
            self.proxy.GetAll(client_interface,
75
98
                              dbus_interface = dbus.PROPERTIES_IFACE))
76
99
 
77
 
        #XXX This break good super behaviour!
 
100
        #XXX This breaks good super behaviour
78
101
#        super(MandosClientPropertyCache, self).__init__(
79
102
#            *args, **kwargs)
80
103
    
84
107
        """
85
108
        # Update properties dict with new value
86
109
        self.properties[property] = value
 
110
    
 
111
    def delete(self, *args, **kwargs):
 
112
        self.property_changed_match.remove()
 
113
        super(MandosClientPropertyCache, self).__init__(
 
114
            *args, **kwargs)
87
115
 
88
116
 
89
117
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
102
130
        self.logger = logger
103
131
        
104
132
        self._update_timer_callback_tag = None
 
133
        self._update_timer_callback_lock = 0
105
134
        self.last_checker_failed = False
106
135
        
107
136
        # The widget shown normally
108
 
        self._text_widget = urwid.Text(u"")
 
137
        self._text_widget = urwid.Text("")
109
138
        # The widget shown when we have focus
110
 
        self._focus_text_widget = urwid.Text(u"")
 
139
        self._focus_text_widget = urwid.Text("")
111
140
        super(MandosClientWidget, self).__init__(
112
141
            update_hook=update_hook, delete_hook=delete_hook,
113
142
            *args, **kwargs)
114
143
        self.update()
115
144
        self.opened = False
116
 
        self.proxy.connect_to_signal(u"CheckerCompleted",
117
 
                                     self.checker_completed,
118
 
                                     client_interface,
119
 
                                     byte_arrays=True)
120
 
        self.proxy.connect_to_signal(u"CheckerStarted",
121
 
                                     self.checker_started,
122
 
                                     client_interface,
123
 
                                     byte_arrays=True)
124
 
        self.proxy.connect_to_signal(u"GotSecret",
125
 
                                     self.got_secret,
126
 
                                     client_interface,
127
 
                                     byte_arrays=True)
128
 
        self.proxy.connect_to_signal(u"NeedApproval",
129
 
                                     self.need_approval,
130
 
                                     client_interface,
131
 
                                     byte_arrays=True)
132
 
        self.proxy.connect_to_signal(u"Rejected",
133
 
                                     self.rejected,
134
 
                                     client_interface,
135
 
                                     byte_arrays=True)
 
145
        
136
146
        last_checked_ok = isoformat_to_datetime(self.properties
137
 
                                                [u"LastCheckedOK"])
 
147
                                                ["LastCheckedOK"])
138
148
        if last_checked_ok is None:
139
149
            self.last_checker_failed = True
140
150
        else:
143
153
                                        > datetime.timedelta
144
154
                                        (milliseconds=
145
155
                                         self.properties
146
 
                                         [u"Interval"]))
 
156
                                         ["Interval"]))
 
157
        
147
158
        if self.last_checker_failed:
 
159
            self.using_timer(True)
 
160
        
 
161
        if self.need_approval:
 
162
            self.using_timer(True)
 
163
        
 
164
        self.match_objects = (
 
165
            self.proxy.connect_to_signal("CheckerCompleted",
 
166
                                         self.checker_completed,
 
167
                                         client_interface,
 
168
                                         byte_arrays=True),
 
169
            self.proxy.connect_to_signal("CheckerStarted",
 
170
                                         self.checker_started,
 
171
                                         client_interface,
 
172
                                         byte_arrays=True),
 
173
            self.proxy.connect_to_signal("GotSecret",
 
174
                                         self.got_secret,
 
175
                                         client_interface,
 
176
                                         byte_arrays=True),
 
177
            self.proxy.connect_to_signal("NeedApproval",
 
178
                                         self.need_approval,
 
179
                                         client_interface,
 
180
                                         byte_arrays=True),
 
181
            self.proxy.connect_to_signal("Rejected",
 
182
                                         self.rejected,
 
183
                                         client_interface,
 
184
                                         byte_arrays=True))
 
185
        #self.logger('Created client %s' % (self.properties["Name"]))
 
186
    
 
187
    def property_changed(self, property=None, value=None):
 
188
        super(self, MandosClientWidget).property_changed(property,
 
189
                                                         value)
 
190
        if property == "ApprovalPending":
 
191
            using_timer(bool(value))
 
192
        
 
193
    def using_timer(self, flag):
 
194
        """Call this method with True or False when timer should be
 
195
        activated or deactivated.
 
196
        """
 
197
        old = self._update_timer_callback_lock
 
198
        if flag:
 
199
            self._update_timer_callback_lock += 1
 
200
        else:
 
201
            self._update_timer_callback_lock -= 1
 
202
        if old == 0 and self._update_timer_callback_lock:
 
203
            # Will update the shown timer value every second
148
204
            self._update_timer_callback_tag = (gobject.timeout_add
149
205
                                               (1000,
150
206
                                                self.update_timer))
 
207
        elif old and self._update_timer_callback_lock == 0:
 
208
            gobject.source_remove(self._update_timer_callback_tag)
 
209
            self._update_timer_callback_tag = None
151
210
    
152
211
    def checker_completed(self, exitstatus, condition, command):
153
212
        if exitstatus == 0:
154
213
            if self.last_checker_failed:
155
214
                self.last_checker_failed = False
156
 
                gobject.source_remove(self._update_timer_callback_tag)
157
 
                self._update_timer_callback_tag = None
158
 
            self.logger(u'Checker for client %s (command "%s")'
159
 
                        u' was successful'
160
 
                        % (self.properties[u"Name"], command))
 
215
                self.using_timer(False)
 
216
            #self.logger('Checker for client %s (command "%s")'
 
217
            #            ' was successful'
 
218
            #            % (self.properties["Name"], command))
161
219
            self.update()
162
220
            return
163
221
        # Checker failed
164
222
        if not self.last_checker_failed:
165
223
            self.last_checker_failed = True
166
 
            self._update_timer_callback_tag = (gobject.timeout_add
167
 
                                               (1000,
168
 
                                                self.update_timer))
 
224
            self.using_timer(True)
169
225
        if os.WIFEXITED(condition):
170
 
            self.logger(u'Checker for client %s (command "%s")'
171
 
                        u' failed with exit code %s'
172
 
                        % (self.properties[u"Name"], command,
 
226
            self.logger('Checker for client %s (command "%s")'
 
227
                        ' failed with exit code %s'
 
228
                        % (self.properties["Name"], command,
173
229
                           os.WEXITSTATUS(condition)))
174
230
        elif os.WIFSIGNALED(condition):
175
 
            self.logger(u'Checker for client %s (command "%s")'
176
 
                        u' was killed by signal %s'
177
 
                        % (self.properties[u"Name"], command,
 
231
            self.logger('Checker for client %s (command "%s")'
 
232
                        ' was killed by signal %s'
 
233
                        % (self.properties["Name"], command,
178
234
                           os.WTERMSIG(condition)))
179
235
        elif os.WCOREDUMP(condition):
180
 
            self.logger(u'Checker for client %s (command "%s")'
181
 
                        u' dumped core'
182
 
                        % (self.properties[u"Name"], command))
 
236
            self.logger('Checker for client %s (command "%s")'
 
237
                        ' dumped core'
 
238
                        % (self.properties["Name"], command))
183
239
        else:
184
 
            self.logger(u'Checker for client %s completed'
185
 
                        u' mysteriously')
 
240
            self.logger('Checker for client %s completed'
 
241
                        ' mysteriously')
186
242
        self.update()
187
243
    
188
244
    def checker_started(self, command):
189
 
        #self.logger(u'Client %s started checker "%s"'
190
 
        #            % (self.properties[u"Name"], unicode(command)))
 
245
        """Server signals that a checker started. This could be useful
 
246
           to log in the future. """
 
247
        #self.logger('Client %s started checker "%s"'
 
248
        #            % (self.properties["Name"], unicode(command)))
191
249
        pass
192
250
    
193
251
    def got_secret(self):
194
252
        self.last_checker_failed = False
195
 
        self.logger(u'Client %s received its secret'
196
 
                    % self.properties[u"Name"])
 
253
        self.logger('Client %s received its secret'
 
254
                    % self.properties["Name"])
197
255
    
198
256
    def need_approval(self, timeout, default):
199
257
        if not default:
200
 
            message = u'Client %s needs approval within %s seconds'
 
258
            message = 'Client %s needs approval within %s seconds'
201
259
        else:
202
 
            message = u'Client %s will get its secret in %s seconds'
 
260
            message = 'Client %s will get its secret in %s seconds'
203
261
        self.logger(message
204
 
                    % (self.properties[u"Name"], timeout/1000))
 
262
                    % (self.properties["Name"], timeout/1000))
 
263
        self.using_timer(True)
205
264
    
206
265
    def rejected(self, reason):
207
 
        self.logger(u'Client %s was rejected; reason: %s'
208
 
                    % (self.properties[u"Name"], reason))
 
266
        self.logger('Client %s was rejected; reason: %s'
 
267
                    % (self.properties["Name"], reason))
209
268
    
210
269
    def selectable(self):
211
270
        """Make this a "selectable" widget.
212
271
        This overrides the method from urwid.FlowWidget."""
213
272
        return True
214
273
    
215
 
    def rows(self, (maxcol,), focus=False):
 
274
    def rows(self, maxcolrow, focus=False):
216
275
        """How many rows this widget will occupy might depend on
217
276
        whether we have focus or not.
218
277
        This overrides the method from urwid.FlowWidget"""
219
 
        return self.current_widget(focus).rows((maxcol,), focus=focus)
 
278
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
220
279
    
221
280
    def current_widget(self, focus=False):
222
281
        if focus or self.opened:
226
285
    def update(self):
227
286
        "Called when what is visible on the screen should be updated."
228
287
        # How to add standout mode to a style
229
 
        with_standout = { u"normal": u"standout",
230
 
                          u"bold": u"bold-standout",
231
 
                          u"underline-blink":
232
 
                              u"underline-blink-standout",
233
 
                          u"bold-underline-blink":
234
 
                              u"bold-underline-blink-standout",
 
288
        with_standout = { "normal": "standout",
 
289
                          "bold": "bold-standout",
 
290
                          "underline-blink":
 
291
                              "underline-blink-standout",
 
292
                          "bold-underline-blink":
 
293
                              "bold-underline-blink-standout",
235
294
                          }
236
295
 
237
296
        # Rebuild focus and non-focus widgets using current properties
238
297
 
239
298
        # Base part of a client. Name!
240
 
        base = (u'%(name)s: '
241
 
                      % {u"name": self.properties[u"Name"]})
242
 
        if not self.properties[u"Enabled"]:
243
 
            message = u"DISABLED"
244
 
        elif self.properties[u"ApprovalPending"]:
245
 
            if self.properties[u"ApprovedByDefault"]:
246
 
                message = u"Connection established to client. (d)eny?"
247
 
            else:
248
 
                message = u"Seeks approval to send secret. (a)pprove?"
249
 
        elif self.last_checker_failed:
 
299
        base = ('%(name)s: '
 
300
                      % {"name": self.properties["Name"]})
 
301
        if not self.properties["Enabled"]:
 
302
            message = "DISABLED"
 
303
        elif self.properties["ApprovalPending"]:
250
304
            timeout = datetime.timedelta(milliseconds
251
305
                                         = self.properties
252
 
                                         [u"Timeout"])
253
 
            last_ok = isoformat_to_datetime(
254
 
                max((self.properties[u"LastCheckedOK"]
255
 
                     or self.properties[u"Created"]),
256
 
                    self.properties[u"LastEnabled"]))
257
 
            timer = timeout - (datetime.datetime.utcnow() - last_ok)
258
 
            message = (u'A checker has failed! Time until client'
259
 
                       u' gets diabled: %s'
 
306
                                         ["ApprovalDelay"])
 
307
            last_approval_request = isoformat_to_datetime(
 
308
                self.properties["LastApprovalRequest"])
 
309
            if last_approval_request is not None:
 
310
                timer = timeout - (datetime.datetime.utcnow()
 
311
                                   - last_approval_request)
 
312
            else:
 
313
                timer = datetime.timedelta()
 
314
            if self.properties["ApprovedByDefault"]:
 
315
                message = "Approval in %s. (d)eny?"
 
316
            else:
 
317
                message = "Denial in %s. (a)pprove?"
 
318
            message = message % unicode(timer).rsplit(".", 1)[0]
 
319
        elif self.last_checker_failed:
 
320
            # When checker has failed, print a timer until client expires
 
321
            expires = self.properties["Expires"]
 
322
            if expires == "":
 
323
                timer = datetime.timedelta(0)
 
324
            else:
 
325
                expires = datetime.datetime.strptime(expires,
 
326
                                                     '%Y-%m-%dT%H:%M:%S.%f')
 
327
                timer = expires - datetime.datetime.utcnow()
 
328
            message = ('A checker has failed! Time until client'
 
329
                       ' gets disabled: %s'
260
330
                           % unicode(timer).rsplit(".", 1)[0])
261
331
        else:
262
 
            message = u"enabled"
 
332
            message = "enabled"
263
333
        self._text = "%s%s" % (base, message)
264
334
            
265
335
        if not urwid.supports_unicode():
266
336
            self._text = self._text.encode("ascii", "replace")
267
 
        textlist = [(u"normal", self._text)]
 
337
        textlist = [("normal", self._text)]
268
338
        self._text_widget.set_text(textlist)
269
339
        self._focus_text_widget.set_text([(with_standout[text[0]],
270
340
                                           text[1])
279
349
            self.update_hook()
280
350
    
281
351
    def update_timer(self):
282
 
        "called by gobject"
 
352
        """called by gobject. Will indefinitely loop until
 
353
        gobject.source_remove() on tag is called"""
283
354
        self.update()
284
355
        return True             # Keep calling this
285
356
    
286
 
    def delete(self):
 
357
    def delete(self, *args, **kwargs):
287
358
        if self._update_timer_callback_tag is not None:
288
359
            gobject.source_remove(self._update_timer_callback_tag)
289
360
            self._update_timer_callback_tag = None
 
361
        for match in self.match_objects:
 
362
            match.remove()
 
363
        self.match_objects = ()
290
364
        if self.delete_hook is not None:
291
365
            self.delete_hook(self)
 
366
        return super(MandosClientWidget, self).delete(*args, **kwargs)
292
367
    
293
 
    def render(self, (maxcol,), focus=False):
 
368
    def render(self, maxcolrow, focus=False):
294
369
        """Render differently if we have focus.
295
370
        This overrides the method from urwid.FlowWidget"""
296
 
        return self.current_widget(focus).render((maxcol,),
 
371
        return self.current_widget(focus).render(maxcolrow,
297
372
                                                 focus=focus)
298
373
    
299
 
    def keypress(self, (maxcol,), key):
 
374
    def keypress(self, maxcolrow, key):
300
375
        """Handle keys.
301
376
        This overrides the method from urwid.FlowWidget"""
302
 
        if key == u"+":
303
 
            self.proxy.Enable(dbus_interface = client_interface)
304
 
        elif key == u"-":
305
 
            self.proxy.Disable(dbus_interface = client_interface)
306
 
        elif key == u"a":
 
377
        if key == "+":
 
378
            self.proxy.Enable(dbus_interface = client_interface,
 
379
                              ignore_reply=True)
 
380
        elif key == "-":
 
381
            self.proxy.Disable(dbus_interface = client_interface,
 
382
                               ignore_reply=True)
 
383
        elif key == "a":
307
384
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
308
 
                               dbus_interface = client_interface)
309
 
        elif key == u"d":
 
385
                               dbus_interface = client_interface,
 
386
                               ignore_reply=True)
 
387
        elif key == "d":
310
388
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
311
 
                                  dbus_interface = client_interface)
312
 
        elif key == u"r" or key == u"_" or key == u"ctrl k":
 
389
                                  dbus_interface = client_interface,
 
390
                               ignore_reply=True)
 
391
        elif key == "R" or key == "_" or key == "ctrl k":
313
392
            self.server_proxy_object.RemoveClient(self.proxy
314
 
                                                  .object_path)
315
 
        elif key == u"s":
316
 
            self.proxy.StartChecker(dbus_interface = client_interface)
317
 
        elif key == u"S":
318
 
            self.proxy.StopChecker(dbus_interface = client_interface)
319
 
        elif key == u"C":
320
 
            self.proxy.CheckedOK(dbus_interface = client_interface)
 
393
                                                  .object_path,
 
394
                                                  ignore_reply=True)
 
395
        elif key == "s":
 
396
            self.proxy.StartChecker(dbus_interface = client_interface,
 
397
                                    ignore_reply=True)
 
398
        elif key == "S":
 
399
            self.proxy.StopChecker(dbus_interface = client_interface,
 
400
                                   ignore_reply=True)
 
401
        elif key == "C":
 
402
            self.proxy.CheckedOK(dbus_interface = client_interface,
 
403
                                 ignore_reply=True)
321
404
        # xxx
322
 
#         elif key == u"p" or key == "=":
 
405
#         elif key == "p" or key == "=":
323
406
#             self.proxy.pause()
324
 
#         elif key == u"u" or key == ":":
 
407
#         elif key == "u" or key == ":":
325
408
#             self.proxy.unpause()
326
 
#         elif key == u"RET":
 
409
#         elif key == "RET":
327
410
#             self.open()
328
 
#        elif key == u"+":
329
 
#            self.proxy.Approve(True)
330
 
#        elif key == u"-":
331
 
#            self.proxy.Approve(False)
332
411
        else:
333
412
            return key
334
413
    
349
428
    "down" key presses, thus not allowing any containing widgets to
350
429
    use them as an excuse to shift focus away from this widget.
351
430
    """
352
 
    def keypress(self, (maxcol, maxrow), key):
353
 
        ret = super(ConstrainedListBox, self).keypress((maxcol,
354
 
                                                        maxrow), key)
355
 
        if ret in (u"up", u"down"):
 
431
    def keypress(self, maxcolrow, key):
 
432
        ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
 
433
        if ret in ("up", "down"):
356
434
            return
357
435
        return ret
358
436
 
367
445
        self.screen = urwid.curses_display.Screen()
368
446
        
369
447
        self.screen.register_palette((
370
 
                (u"normal",
371
 
                 u"default", u"default", None),
372
 
                (u"bold",
373
 
                 u"default", u"default", u"bold"),
374
 
                (u"underline-blink",
375
 
                 u"default", u"default", u"underline"),
376
 
                (u"standout",
377
 
                 u"default", u"default", u"standout"),
378
 
                (u"bold-underline-blink",
379
 
                 u"default", u"default", (u"bold", u"underline")),
380
 
                (u"bold-standout",
381
 
                 u"default", u"default", (u"bold", u"standout")),
382
 
                (u"underline-blink-standout",
383
 
                 u"default", u"default", (u"underline", u"standout")),
384
 
                (u"bold-underline-blink-standout",
385
 
                 u"default", u"default", (u"bold", u"underline",
386
 
                                          u"standout")),
 
448
                ("normal",
 
449
                 "default", "default", None),
 
450
                ("bold",
 
451
                 "default", "default", "bold"),
 
452
                ("underline-blink",
 
453
                 "default", "default", "underline"),
 
454
                ("standout",
 
455
                 "default", "default", "standout"),
 
456
                ("bold-underline-blink",
 
457
                 "default", "default", ("bold", "underline")),
 
458
                ("bold-standout",
 
459
                 "default", "default", ("bold", "standout")),
 
460
                ("underline-blink-standout",
 
461
                 "default", "default", ("underline", "standout")),
 
462
                ("bold-underline-blink-standout",
 
463
                 "default", "default", ("bold", "underline",
 
464
                                          "standout")),
387
465
                ))
388
466
        
389
467
        if urwid.supports_unicode():
390
 
            self.divider = u"─" # \u2500
391
 
            #self.divider = u"━" # \u2501
 
468
            self.divider = "─" # \u2500
 
469
            #self.divider = "━" # \u2501
392
470
        else:
393
 
            #self.divider = u"-" # \u002d
394
 
            self.divider = u"_" # \u005f
 
471
            #self.divider = "-" # \u002d
 
472
            self.divider = "_" # \u005f
395
473
        
396
474
        self.screen.start()
397
475
        
411
489
        # This keeps track of whether self.uilist currently has
412
490
        # self.logbox in it or not
413
491
        self.log_visible = True
414
 
        self.log_wrap = u"any"
 
492
        self.log_wrap = "any"
415
493
        
416
494
        self.rebuild()
417
 
        self.log_message_raw((u"bold",
418
 
                              u"Mandos Monitor version " + version))
419
 
        self.log_message_raw((u"bold",
420
 
                              u"q: Quit  ?: Help"))
 
495
        self.log_message_raw(("bold",
 
496
                              "Mandos Monitor version " + version))
 
497
        self.log_message_raw(("bold",
 
498
                              "q: Quit  ?: Help"))
421
499
        
422
500
        self.busname = domain + '.Mandos'
423
501
        self.main_loop = gobject.MainLoop()
424
 
        self.bus = dbus.SystemBus()
425
 
        mandos_dbus_objc = self.bus.get_object(
426
 
            self.busname, u"/", follow_name_owner_changes=True)
427
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
428
 
                                          dbus_interface
429
 
                                          = server_interface)
430
 
        try:
431
 
            mandos_clients = (self.mandos_serv
432
 
                              .GetAllClientsWithProperties())
433
 
        except dbus.exceptions.DBusException:
434
 
            mandos_clients = dbus.Dictionary()
435
 
        
436
 
        (self.mandos_serv
437
 
         .connect_to_signal(u"ClientRemoved",
438
 
                            self.find_and_remove_client,
439
 
                            dbus_interface=server_interface,
440
 
                            byte_arrays=True))
441
 
        (self.mandos_serv
442
 
         .connect_to_signal(u"ClientAdded",
443
 
                            self.add_new_client,
444
 
                            dbus_interface=server_interface,
445
 
                            byte_arrays=True))
446
 
        (self.mandos_serv
447
 
         .connect_to_signal(u"ClientNotFound",
448
 
                            self.client_not_found,
449
 
                            dbus_interface=server_interface,
450
 
                            byte_arrays=True))
451
 
        for path, client in mandos_clients.iteritems():
452
 
            client_proxy_object = self.bus.get_object(self.busname,
453
 
                                                      path)
454
 
            self.add_client(MandosClientWidget(server_proxy_object
455
 
                                               =self.mandos_serv,
456
 
                                               proxy_object
457
 
                                               =client_proxy_object,
458
 
                                               properties=client,
459
 
                                               update_hook
460
 
                                               =self.refresh,
461
 
                                               delete_hook
462
 
                                               =self.remove_client,
463
 
                                               logger
464
 
                                               =self.log_message),
465
 
                            path=path)
466
502
    
467
503
    def client_not_found(self, fingerprint, address):
468
 
        self.log_message((u"Client with address %s and fingerprint %s"
469
 
                          u" could not be found" % (address,
 
504
        self.log_message(("Client with address %s and fingerprint %s"
 
505
                          " could not be found" % (address,
470
506
                                                    fingerprint)))
471
507
    
472
508
    def rebuild(self):
483
519
                                                     self.divider)))
484
520
        if self.log_visible:
485
521
            self.uilist.append(self.logbox)
486
 
            pass
487
522
        self.topwidget = urwid.Pile(self.uilist)
488
523
    
489
524
    def log_message(self, message):
490
525
        timestamp = datetime.datetime.now().isoformat()
491
 
        self.log_message_raw(timestamp + u": " + message)
 
526
        self.log_message_raw(timestamp + ": " + message)
492
527
    
493
528
    def log_message_raw(self, markup):
494
529
        """Add a log message to the log buffer."""
497
532
            and len(self.log) > self.max_log_length):
498
533
            del self.log[0:len(self.log)-self.max_log_length-1]
499
534
        self.logbox.set_focus(len(self.logbox.body.contents),
500
 
                              coming_from=u"above")
 
535
                              coming_from="above")
501
536
        self.refresh()
502
537
    
503
538
    def toggle_log_display(self):
504
539
        """Toggle visibility of the log buffer."""
505
540
        self.log_visible = not self.log_visible
506
541
        self.rebuild()
507
 
        self.log_message(u"Log visibility changed to: "
508
 
                         + unicode(self.log_visible))
 
542
        #self.log_message("Log visibility changed to: "
 
543
        #                 + unicode(self.log_visible))
509
544
    
510
545
    def change_log_display(self):
511
546
        """Change type of log display.
512
547
        Currently, this toggles wrapping of text lines."""
513
 
        if self.log_wrap == u"clip":
514
 
            self.log_wrap = u"any"
 
548
        if self.log_wrap == "clip":
 
549
            self.log_wrap = "any"
515
550
        else:
516
 
            self.log_wrap = u"clip"
 
551
            self.log_wrap = "clip"
517
552
        for textwidget in self.log:
518
553
            textwidget.set_wrap_mode(self.log_wrap)
519
 
        self.log_message(u"Wrap mode: " + self.log_wrap)
 
554
        #self.log_message("Wrap mode: " + self.log_wrap)
520
555
    
521
556
    def find_and_remove_client(self, path, name):
522
 
        """Find an client from its object path and remove it.
 
557
        """Find a client by its object path and remove it.
523
558
        
524
559
        This is connected to the ClientRemoved signal from the
525
560
        Mandos server object."""
527
562
            client = self.clients_dict[path]
528
563
        except KeyError:
529
564
            # not found?
 
565
            self.log_message("Unknown client %r (%r) removed", name,
 
566
                             path)
530
567
            return
531
 
        self.remove_client(client, path)
 
568
        client.delete()
532
569
    
533
570
    def add_new_client(self, path):
534
571
        client_proxy_object = self.bus.get_object(self.busname, path)
549
586
        if path is None:
550
587
            path = client.proxy.object_path
551
588
        self.clients_dict[path] = client
552
 
        self.clients.sort(None, lambda c: c.properties[u"Name"])
 
589
        self.clients.sort(None, lambda c: c.properties["Name"])
553
590
        self.refresh()
554
591
    
555
592
    def remove_client(self, client, path=None):
571
608
    
572
609
    def run(self):
573
610
        """Start the main loop and exit when it's done."""
 
611
        self.bus = dbus.SystemBus()
 
612
        mandos_dbus_objc = self.bus.get_object(
 
613
            self.busname, "/", follow_name_owner_changes=True)
 
614
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
615
                                          dbus_interface
 
616
                                          = server_interface)
 
617
        try:
 
618
            mandos_clients = (self.mandos_serv
 
619
                              .GetAllClientsWithProperties())
 
620
        except dbus.exceptions.DBusException:
 
621
            mandos_clients = dbus.Dictionary()
 
622
        
 
623
        (self.mandos_serv
 
624
         .connect_to_signal("ClientRemoved",
 
625
                            self.find_and_remove_client,
 
626
                            dbus_interface=server_interface,
 
627
                            byte_arrays=True))
 
628
        (self.mandos_serv
 
629
         .connect_to_signal("ClientAdded",
 
630
                            self.add_new_client,
 
631
                            dbus_interface=server_interface,
 
632
                            byte_arrays=True))
 
633
        (self.mandos_serv
 
634
         .connect_to_signal("ClientNotFound",
 
635
                            self.client_not_found,
 
636
                            dbus_interface=server_interface,
 
637
                            byte_arrays=True))
 
638
        for path, client in mandos_clients.iteritems():
 
639
            client_proxy_object = self.bus.get_object(self.busname,
 
640
                                                      path)
 
641
            self.add_client(MandosClientWidget(server_proxy_object
 
642
                                               =self.mandos_serv,
 
643
                                               proxy_object
 
644
                                               =client_proxy_object,
 
645
                                               properties=client,
 
646
                                               update_hook
 
647
                                               =self.refresh,
 
648
                                               delete_hook
 
649
                                               =self.remove_client,
 
650
                                               logger
 
651
                                               =self.log_message),
 
652
                            path=path)
 
653
 
574
654
        self.refresh()
575
655
        self._input_callback_tag = (gobject.io_add_watch
576
656
                                    (sys.stdin.fileno(),
586
666
    
587
667
    def process_input(self, source, condition):
588
668
        keys = self.screen.get_input()
589
 
        translations = { u"ctrl n": u"down",      # Emacs
590
 
                         u"ctrl p": u"up",        # Emacs
591
 
                         u"ctrl v": u"page down", # Emacs
592
 
                         u"meta v": u"page up",   # Emacs
593
 
                         u" ": u"page down",      # less
594
 
                         u"f": u"page down",      # less
595
 
                         u"b": u"page up",        # less
596
 
                         u"j": u"down",           # vi
597
 
                         u"k": u"up",             # vi
 
669
        translations = { "ctrl n": "down",      # Emacs
 
670
                         "ctrl p": "up",        # Emacs
 
671
                         "ctrl v": "page down", # Emacs
 
672
                         "meta v": "page up",   # Emacs
 
673
                         " ": "page down",      # less
 
674
                         "f": "page down",      # less
 
675
                         "b": "page up",        # less
 
676
                         "j": "down",           # vi
 
677
                         "k": "up",             # vi
598
678
                         }
599
679
        for key in keys:
600
680
            try:
602
682
            except KeyError:    # :-)
603
683
                pass
604
684
            
605
 
            if key == u"q" or key == u"Q":
 
685
            if key == "q" or key == "Q":
606
686
                self.stop()
607
687
                break
608
 
            elif key == u"window resize":
 
688
            elif key == "window resize":
609
689
                self.size = self.screen.get_cols_rows()
610
690
                self.refresh()
611
 
            elif key == u"\f":  # Ctrl-L
 
691
            elif key == "\f":  # Ctrl-L
612
692
                self.refresh()
613
 
            elif key == u"l" or key == u"D":
 
693
            elif key == "l" or key == "D":
614
694
                self.toggle_log_display()
615
695
                self.refresh()
616
 
            elif key == u"w" or key == u"i":
 
696
            elif key == "w" or key == "i":
617
697
                self.change_log_display()
618
698
                self.refresh()
619
 
            elif key == u"?" or key == u"f1" or key == u"esc":
 
699
            elif key == "?" or key == "f1" or key == "esc":
620
700
                if not self.log_visible:
621
701
                    self.log_visible = True
622
702
                    self.rebuild()
623
 
                self.log_message_raw((u"bold",
624
 
                                      u"  ".
625
 
                                      join((u"q: Quit",
626
 
                                            u"?: Help",
627
 
                                            u"l: Log window toggle",
628
 
                                            u"TAB: Switch window",
629
 
                                            u"w: Wrap (log)"))))
630
 
                self.log_message_raw((u"bold",
631
 
                                      u"  "
632
 
                                      .join((u"Clients:",
633
 
                                             u"+: Enable",
634
 
                                             u"-: Disable",
635
 
                                             u"r: Remove",
636
 
                                             u"s: Start new checker",
637
 
                                             u"S: Stop checker",
638
 
                                             u"C: Checker OK",
639
 
                                             u"a: Approve",
640
 
                                             u"d: Deny"))))
 
703
                self.log_message_raw(("bold",
 
704
                                      "  ".
 
705
                                      join(("q: Quit",
 
706
                                            "?: Help",
 
707
                                            "l: Log window toggle",
 
708
                                            "TAB: Switch window",
 
709
                                            "w: Wrap (log)"))))
 
710
                self.log_message_raw(("bold",
 
711
                                      "  "
 
712
                                      .join(("Clients:",
 
713
                                             "+: Enable",
 
714
                                             "-: Disable",
 
715
                                             "R: Remove",
 
716
                                             "s: Start new checker",
 
717
                                             "S: Stop checker",
 
718
                                             "C: Checker OK",
 
719
                                             "a: Approve",
 
720
                                             "d: Deny"))))
641
721
                self.refresh()
642
 
            elif key == u"tab":
 
722
            elif key == "tab":
643
723
                if self.topwidget.get_focus() is self.logbox:
644
724
                    self.topwidget.set_focus(0)
645
725
                else:
646
726
                    self.topwidget.set_focus(self.logbox)
647
727
                self.refresh()
648
 
            #elif (key == u"end" or key == u"meta >" or key == u"G"
649
 
            #      or key == u">"):
 
728
            #elif (key == "end" or key == "meta >" or key == "G"
 
729
            #      or key == ">"):
650
730
            #    pass            # xxx end-of-buffer
651
 
            #elif (key == u"home" or key == u"meta <" or key == u"g"
652
 
            #      or key == u"<"):
 
731
            #elif (key == "home" or key == "meta <" or key == "g"
 
732
            #      or key == "<"):
653
733
            #    pass            # xxx beginning-of-buffer
654
 
            #elif key == u"ctrl e" or key == u"$":
 
734
            #elif key == "ctrl e" or key == "$":
655
735
            #    pass            # xxx move-end-of-line
656
 
            #elif key == u"ctrl a" or key == u"^":
 
736
            #elif key == "ctrl a" or key == "^":
657
737
            #    pass            # xxx move-beginning-of-line
658
 
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
 
738
            #elif key == "ctrl b" or key == "meta (" or key == "h":
659
739
            #    pass            # xxx left
660
 
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
 
740
            #elif key == "ctrl f" or key == "meta )" or key == "l":
661
741
            #    pass            # xxx right
662
 
            #elif key == u"a":
 
742
            #elif key == "a":
663
743
            #    pass            # scroll up log
664
 
            #elif key == u"z":
 
744
            #elif key == "z":
665
745
            #    pass            # scroll down log
666
746
            elif self.topwidget.selectable():
667
747
                self.topwidget.keypress(self.size, key)