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  • Committer: Teddy Hogeborn
  • Date: 2012-05-05 09:33:27 UTC
  • Revision ID: teddy@recompile.se-20120505093327-kzn0kkia6rhpciwd
* mandos-ctl: Break long lines.
* mandos-monitor: - '' -

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mandos-monitor
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#!/usr/bin/python
2
2
# -*- mode: python; coding: utf-8 -*-
 
3
# 
 
4
# Mandos Monitor - Control and monitor the Mandos server
 
5
# 
 
6
# Copyright © 2009-2012 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
 
21
# <http://www.gnu.org/licenses/>.
 
22
# 
 
23
# Contact the authors at <mandos@recompile.se>.
 
24
# 
3
25
 
4
 
from __future__ import division, absolute_import, with_statement
 
26
from __future__ import (division, absolute_import, print_function,
 
27
                        unicode_literals)
5
28
 
6
29
import sys
7
30
import os
21
44
 
22
45
import locale
23
46
 
24
 
locale.setlocale(locale.LC_ALL, u'')
 
47
locale.setlocale(locale.LC_ALL, '')
25
48
 
26
49
import logging
27
50
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
28
51
 
29
52
# Some useful constants
30
 
domain = 'se.bsnet.fukt'
 
53
domain = 'se.recompile'
31
54
server_interface = domain + '.Mandos'
32
55
client_interface = domain + '.Mandos.Client'
33
 
version = "1.0.15"
 
56
version = "1.5.3"
34
57
 
35
58
# Always run in monochrome mode
36
59
urwid.curses_display.curses.has_colors = lambda : False
40
63
urwid.curses_display.curses.A_UNDERLINE |= (
41
64
    urwid.curses_display.curses.A_BLINK)
42
65
 
 
66
def isoformat_to_datetime(iso):
 
67
    "Parse an ISO 8601 date string to a datetime.datetime()"
 
68
    if not iso:
 
69
        return None
 
70
    d, t = iso.split("T", 1)
 
71
    year, month, day = d.split("-", 2)
 
72
    hour, minute, second = t.split(":", 2)
 
73
    second, fraction = divmod(float(second), 1)
 
74
    return datetime.datetime(int(year),
 
75
                             int(month),
 
76
                             int(day),
 
77
                             int(hour),
 
78
                             int(minute),
 
79
                             int(second),           # Whole seconds
 
80
                             int(fraction*1000000)) # Microseconds
 
81
 
43
82
class MandosClientPropertyCache(object):
44
83
    """This wraps a Mandos Client D-Bus proxy object, caches the
45
84
    properties and calls a hook function when any of them are
49
88
        self.proxy = proxy_object # Mandos Client proxy object
50
89
        
51
90
        self.properties = dict()
52
 
        self.proxy.connect_to_signal(u"PropertyChanged",
53
 
                                     self.property_changed,
54
 
                                     client_interface,
55
 
                                     byte_arrays=True)
 
91
        self.property_changed_match = (
 
92
            self.proxy.connect_to_signal("PropertyChanged",
 
93
                                         self.property_changed,
 
94
                                         client_interface,
 
95
                                         byte_arrays=True))
56
96
        
57
97
        self.properties.update(
58
98
            self.proxy.GetAll(client_interface,
59
99
                              dbus_interface = dbus.PROPERTIES_IFACE))
60
100
 
61
 
        #XXX This break good super behaviour!
 
101
        #XXX This breaks good super behaviour
62
102
#        super(MandosClientPropertyCache, self).__init__(
63
103
#            *args, **kwargs)
64
104
    
68
108
        """
69
109
        # Update properties dict with new value
70
110
        self.properties[property] = value
 
111
    
 
112
    def delete(self, *args, **kwargs):
 
113
        self.property_changed_match.remove()
 
114
        super(MandosClientPropertyCache, self).__init__(
 
115
            *args, **kwargs)
71
116
 
72
117
 
73
118
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
85
130
        # Logger
86
131
        self.logger = logger
87
132
        
 
133
        self._update_timer_callback_tag = None
 
134
        self._update_timer_callback_lock = 0
 
135
        
88
136
        # The widget shown normally
89
 
        self._text_widget = urwid.Text(u"")
 
137
        self._text_widget = urwid.Text("")
90
138
        # The widget shown when we have focus
91
 
        self._focus_text_widget = urwid.Text(u"")
 
139
        self._focus_text_widget = urwid.Text("")
92
140
        super(MandosClientWidget, self).__init__(
93
141
            update_hook=update_hook, delete_hook=delete_hook,
94
142
            *args, **kwargs)
95
143
        self.update()
96
144
        self.opened = False
97
 
        self.proxy.connect_to_signal(u"CheckerCompleted",
98
 
                                     self.checker_completed,
99
 
                                     client_interface,
100
 
                                     byte_arrays=True)
101
 
        self.proxy.connect_to_signal(u"CheckerStarted",
102
 
                                     self.checker_started,
103
 
                                     client_interface,
104
 
                                     byte_arrays=True)
105
 
        self.proxy.connect_to_signal(u"GotSecret",
106
 
                                     self.got_secret,
107
 
                                     client_interface,
108
 
                                     byte_arrays=True)
109
 
        self.proxy.connect_to_signal(u"NeedApproval",
110
 
                                     self.need_approval,
111
 
                                     client_interface,
112
 
                                     byte_arrays=True)
113
 
        self.proxy.connect_to_signal(u"Rejected",
114
 
                                     self.rejected,
115
 
                                     client_interface,
116
 
                                     byte_arrays=True)
 
145
        
 
146
        last_checked_ok = isoformat_to_datetime(self.properties
 
147
                                                ["LastCheckedOK"])
 
148
        
 
149
        if self.properties ["LastCheckerStatus"] != 0:
 
150
            self.using_timer(True)
 
151
        
 
152
        if self.need_approval:
 
153
            self.using_timer(True)
 
154
        
 
155
        self.match_objects = (
 
156
            self.proxy.connect_to_signal("CheckerCompleted",
 
157
                                         self.checker_completed,
 
158
                                         client_interface,
 
159
                                         byte_arrays=True),
 
160
            self.proxy.connect_to_signal("CheckerStarted",
 
161
                                         self.checker_started,
 
162
                                         client_interface,
 
163
                                         byte_arrays=True),
 
164
            self.proxy.connect_to_signal("GotSecret",
 
165
                                         self.got_secret,
 
166
                                         client_interface,
 
167
                                         byte_arrays=True),
 
168
            self.proxy.connect_to_signal("NeedApproval",
 
169
                                         self.need_approval,
 
170
                                         client_interface,
 
171
                                         byte_arrays=True),
 
172
            self.proxy.connect_to_signal("Rejected",
 
173
                                         self.rejected,
 
174
                                         client_interface,
 
175
                                         byte_arrays=True))
 
176
        #self.logger('Created client {0}'
 
177
        #            .format(self.properties["Name"]))
 
178
    
 
179
    def property_changed(self, property=None, value=None):
 
180
        super(self, MandosClientWidget).property_changed(property,
 
181
                                                         value)
 
182
        if property == "ApprovalPending":
 
183
            using_timer(bool(value))
 
184
        if property == "LastCheckerStatus":
 
185
            using_timer(value != 0)
 
186
            #self.logger('Checker for client {0} (command "{1}") was '
 
187
            #            ' successful'.format(self.properties["Name"],
 
188
            #                                 command))
 
189
    
 
190
    def using_timer(self, flag):
 
191
        """Call this method with True or False when timer should be
 
192
        activated or deactivated.
 
193
        """
 
194
        old = self._update_timer_callback_lock
 
195
        if flag:
 
196
            self._update_timer_callback_lock += 1
 
197
        else:
 
198
            self._update_timer_callback_lock -= 1
 
199
        if old == 0 and self._update_timer_callback_lock:
 
200
            # Will update the shown timer value every second
 
201
            self._update_timer_callback_tag = (gobject.timeout_add
 
202
                                               (1000,
 
203
                                                self.update_timer))
 
204
        elif old and self._update_timer_callback_lock == 0:
 
205
            gobject.source_remove(self._update_timer_callback_tag)
 
206
            self._update_timer_callback_tag = None
117
207
    
118
208
    def checker_completed(self, exitstatus, condition, command):
119
209
        if exitstatus == 0:
120
 
            #self.logger(u'Checker for client %s (command "%s")'
121
 
            #            u' was successful'
122
 
            #            % (self.properties[u"name"], command))
 
210
            self.update()
123
211
            return
 
212
        # Checker failed
124
213
        if os.WIFEXITED(condition):
125
 
            self.logger(u'Checker for client %s (command "%s")'
126
 
                        u' failed with exit code %s'
127
 
                        % (self.properties[u"name"], command,
128
 
                           os.WEXITSTATUS(condition)))
129
 
            return
130
 
        if os.WIFSIGNALED(condition):
131
 
            self.logger(u'Checker for client %s (command "%s")'
132
 
                        u' was killed by signal %s'
133
 
                        % (self.properties[u"name"], command,
134
 
                           os.WTERMSIG(condition)))
135
 
            return
136
 
        if os.WCOREDUMP(condition):
137
 
            self.logger(u'Checker for client %s (command "%s")'
138
 
                        u' dumped core'
139
 
                        % (self.properties[u"name"], command))
140
 
        self.logger(u'Checker for client %s completed mysteriously')
 
214
            self.logger('Checker for client {0} (command "{1}")'
 
215
                        ' failed with exit code {2}'
 
216
                        .format(self.properties["Name"], command,
 
217
                                os.WEXITSTATUS(condition)))
 
218
        elif os.WIFSIGNALED(condition):
 
219
            self.logger('Checker for client {0} (command "{1}") was'
 
220
                        ' killed by signal {2}'
 
221
                        .format(self.properties["Name"], command,
 
222
                                os.WTERMSIG(condition)))
 
223
        elif os.WCOREDUMP(condition):
 
224
            self.logger('Checker for client {0} (command "{1}")'
 
225
                        ' dumped core'
 
226
                        .format(self.properties["Name"], command))
 
227
        else:
 
228
            self.logger('Checker for client {0} completed'
 
229
                        ' mysteriously'
 
230
                        .format(self.properties["Name"]))
 
231
        self.update()
141
232
    
142
233
    def checker_started(self, command):
143
 
        #self.logger(u'Client %s started checker "%s"'
144
 
        #            % (self.properties[u"name"], unicode(command)))
 
234
        """Server signals that a checker started. This could be useful
 
235
           to log in the future. """
 
236
        #self.logger('Client {0} started checker "{1}"'
 
237
        #            .format(self.properties["Name"],
 
238
        #                    unicode(command)))
145
239
        pass
146
240
    
147
241
    def got_secret(self):
148
 
        self.logger(u'Client %s received its secret'
149
 
                    % self.properties[u"name"])
 
242
        self.logger('Client {0} received its secret'
 
243
                    .format(self.properties["Name"]))
150
244
    
151
245
    def need_approval(self, timeout, default):
152
246
        if not default:
153
 
            message = u'Client %s needs approval within %s seconds'
 
247
            message = 'Client {0} needs approval within {1} seconds'
154
248
        else:
155
 
            message = u'Client %s will get its secret in %s seconds'
156
 
        self.logger(message
157
 
                    % (self.properties[u"name"], timeout/1000))
 
249
            message = 'Client {0} will get its secret in {1} seconds'
 
250
        self.logger(message.format(self.properties["Name"],
 
251
                                   timeout/1000))
 
252
        self.using_timer(True)
158
253
    
159
254
    def rejected(self, reason):
160
 
        self.logger(u'Client %s was rejected; reason: %s'
161
 
                    % (self.properties[u"name"], reason))
 
255
        self.logger('Client {0} was rejected; reason: {1}'
 
256
                    .format(self.properties["Name"], reason))
162
257
    
163
258
    def selectable(self):
164
259
        """Make this a "selectable" widget.
165
260
        This overrides the method from urwid.FlowWidget."""
166
261
        return True
167
262
    
168
 
    def rows(self, (maxcol,), focus=False):
 
263
    def rows(self, maxcolrow, focus=False):
169
264
        """How many rows this widget will occupy might depend on
170
265
        whether we have focus or not.
171
266
        This overrides the method from urwid.FlowWidget"""
172
 
        return self.current_widget(focus).rows((maxcol,), focus=focus)
 
267
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
173
268
    
174
269
    def current_widget(self, focus=False):
175
270
        if focus or self.opened:
179
274
    def update(self):
180
275
        "Called when what is visible on the screen should be updated."
181
276
        # How to add standout mode to a style
182
 
        with_standout = { u"normal": u"standout",
183
 
                          u"bold": u"bold-standout",
184
 
                          u"underline-blink":
185
 
                              u"underline-blink-standout",
186
 
                          u"bold-underline-blink":
187
 
                              u"bold-underline-blink-standout",
 
277
        with_standout = { "normal": "standout",
 
278
                          "bold": "bold-standout",
 
279
                          "underline-blink":
 
280
                              "underline-blink-standout",
 
281
                          "bold-underline-blink":
 
282
                              "bold-underline-blink-standout",
188
283
                          }
189
284
 
190
285
        # Rebuild focus and non-focus widgets using current properties
191
286
 
192
287
        # Base part of a client. Name!
193
 
        self._text = (u'%(name)s: '
194
 
                      % {u"name": self.properties[u"name"]})
195
 
 
196
 
        if self.properties[u"approved_pending"]:
197
 
            if self.properties[u"approved_by_default"]:
198
 
                self._text += u"Connection established to client. (d)eny?"
199
 
            else:
200
 
                self._text += u"Seeks approval to send secret. (a)pprove?"
 
288
        base = '{name}: '.format(name=self.properties["Name"])
 
289
        if not self.properties["Enabled"]:
 
290
            message = "DISABLED"
 
291
        elif self.properties["ApprovalPending"]:
 
292
            timeout = datetime.timedelta(milliseconds
 
293
                                         = self.properties
 
294
                                         ["ApprovalDelay"])
 
295
            last_approval_request = isoformat_to_datetime(
 
296
                self.properties["LastApprovalRequest"])
 
297
            if last_approval_request is not None:
 
298
                timer = timeout - (datetime.datetime.utcnow()
 
299
                                   - last_approval_request)
 
300
            else:
 
301
                timer = datetime.timedelta()
 
302
            if self.properties["ApprovedByDefault"]:
 
303
                message = "Approval in {0}. (d)eny?"
 
304
            else:
 
305
                message = "Denial in {0}. (a)pprove?"
 
306
            message = message.format(unicode(timer).rsplit(".", 1)[0])
 
307
        elif self.properties["LastCheckerStatus"] != 0:
 
308
            # When checker has failed, show timer until client expires
 
309
            expires = self.properties["Expires"]
 
310
            if expires == "":
 
311
                timer = datetime.timedelta(0)
 
312
            else:
 
313
                expires = (datetime.datetime.strptime
 
314
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
 
315
                timer = expires - datetime.datetime.utcnow()
 
316
            message = ('A checker has failed! Time until client'
 
317
                       ' gets disabled: {0}'
 
318
                       .format(unicode(timer).rsplit(".", 1)[0]))
201
319
        else:
202
 
            self._text += (u'%(enabled)s'
203
 
                           % {u"enabled":
204
 
                               (u"enabled"
205
 
                                if self.properties[u"enabled"]
206
 
                                else u"DISABLED")})
 
320
            message = "enabled"
 
321
        self._text = "{0}{1}".format(base, message)
 
322
            
207
323
        if not urwid.supports_unicode():
208
324
            self._text = self._text.encode("ascii", "replace")
209
 
        textlist = [(u"normal", self._text)]
 
325
        textlist = [("normal", self._text)]
210
326
        self._text_widget.set_text(textlist)
211
327
        self._focus_text_widget.set_text([(with_standout[text[0]],
212
328
                                           text[1])
220
336
        if self.update_hook is not None:
221
337
            self.update_hook()
222
338
    
223
 
    def delete(self):
 
339
    def update_timer(self):
 
340
        """called by gobject. Will indefinitely loop until
 
341
        gobject.source_remove() on tag is called"""
 
342
        self.update()
 
343
        return True             # Keep calling this
 
344
    
 
345
    def delete(self, *args, **kwargs):
 
346
        if self._update_timer_callback_tag is not None:
 
347
            gobject.source_remove(self._update_timer_callback_tag)
 
348
            self._update_timer_callback_tag = None
 
349
        for match in self.match_objects:
 
350
            match.remove()
 
351
        self.match_objects = ()
224
352
        if self.delete_hook is not None:
225
353
            self.delete_hook(self)
 
354
        return super(MandosClientWidget, self).delete(*args, **kwargs)
226
355
    
227
 
    def render(self, (maxcol,), focus=False):
 
356
    def render(self, maxcolrow, focus=False):
228
357
        """Render differently if we have focus.
229
358
        This overrides the method from urwid.FlowWidget"""
230
 
        return self.current_widget(focus).render((maxcol,),
 
359
        return self.current_widget(focus).render(maxcolrow,
231
360
                                                 focus=focus)
232
361
    
233
 
    def keypress(self, (maxcol,), key):
 
362
    def keypress(self, maxcolrow, key):
234
363
        """Handle keys.
235
364
        This overrides the method from urwid.FlowWidget"""
236
 
        if key == u"+":
237
 
            self.proxy.Enable(dbus_interface = client_interface)
238
 
        elif key == u"-":
239
 
            self.proxy.Disable(dbus_interface = client_interface)
240
 
        elif key == u"a":
 
365
        if key == "+":
 
366
            self.proxy.Enable(dbus_interface = client_interface,
 
367
                              ignore_reply=True)
 
368
        elif key == "-":
 
369
            self.proxy.Disable(dbus_interface = client_interface,
 
370
                               ignore_reply=True)
 
371
        elif key == "a":
241
372
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
242
 
                               dbus_interface = client_interface)
243
 
        elif key == u"d":
 
373
                               dbus_interface = client_interface,
 
374
                               ignore_reply=True)
 
375
        elif key == "d":
244
376
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
245
 
                                  dbus_interface = client_interface)
246
 
        elif key == u"r" or key == u"_" or key == u"ctrl k":
 
377
                                  dbus_interface = client_interface,
 
378
                               ignore_reply=True)
 
379
        elif key == "R" or key == "_" or key == "ctrl k":
247
380
            self.server_proxy_object.RemoveClient(self.proxy
248
 
                                                  .object_path)
249
 
        elif key == u"s":
250
 
            self.proxy.StartChecker(dbus_interface = client_interface)
251
 
        elif key == u"S":
252
 
            self.proxy.StopChecker(dbus_interface = client_interface)
253
 
        elif key == u"C":
254
 
            self.proxy.CheckedOK(dbus_interface = client_interface)
 
381
                                                  .object_path,
 
382
                                                  ignore_reply=True)
 
383
        elif key == "s":
 
384
            self.proxy.StartChecker(dbus_interface = client_interface,
 
385
                                    ignore_reply=True)
 
386
        elif key == "S":
 
387
            self.proxy.StopChecker(dbus_interface = client_interface,
 
388
                                   ignore_reply=True)
 
389
        elif key == "C":
 
390
            self.proxy.CheckedOK(dbus_interface = client_interface,
 
391
                                 ignore_reply=True)
255
392
        # xxx
256
 
#         elif key == u"p" or key == "=":
 
393
#         elif key == "p" or key == "=":
257
394
#             self.proxy.pause()
258
 
#         elif key == u"u" or key == ":":
 
395
#         elif key == "u" or key == ":":
259
396
#             self.proxy.unpause()
260
 
#         elif key == u"RET":
 
397
#         elif key == "RET":
261
398
#             self.open()
262
 
#        elif key == u"+":
263
 
#            self.proxy.Approve(True)
264
 
#        elif key == u"-":
265
 
#            self.proxy.Approve(False)
266
399
        else:
267
400
            return key
268
401
    
283
416
    "down" key presses, thus not allowing any containing widgets to
284
417
    use them as an excuse to shift focus away from this widget.
285
418
    """
286
 
    def keypress(self, (maxcol, maxrow), key):
287
 
        ret = super(ConstrainedListBox, self).keypress((maxcol, maxrow), key)
288
 
        if ret in (u"up", u"down"):
 
419
    def keypress(self, maxcolrow, key):
 
420
        ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
 
421
        if ret in ("up", "down"):
289
422
            return
290
423
        return ret
291
424
 
300
433
        self.screen = urwid.curses_display.Screen()
301
434
        
302
435
        self.screen.register_palette((
303
 
                (u"normal",
304
 
                 u"default", u"default", None),
305
 
                (u"bold",
306
 
                 u"default", u"default", u"bold"),
307
 
                (u"underline-blink",
308
 
                 u"default", u"default", u"underline"),
309
 
                (u"standout",
310
 
                 u"default", u"default", u"standout"),
311
 
                (u"bold-underline-blink",
312
 
                 u"default", u"default", (u"bold", u"underline")),
313
 
                (u"bold-standout",
314
 
                 u"default", u"default", (u"bold", u"standout")),
315
 
                (u"underline-blink-standout",
316
 
                 u"default", u"default", (u"underline", u"standout")),
317
 
                (u"bold-underline-blink-standout",
318
 
                 u"default", u"default", (u"bold", u"underline",
319
 
                                          u"standout")),
 
436
                ("normal",
 
437
                 "default", "default", None),
 
438
                ("bold",
 
439
                 "default", "default", "bold"),
 
440
                ("underline-blink",
 
441
                 "default", "default", "underline"),
 
442
                ("standout",
 
443
                 "default", "default", "standout"),
 
444
                ("bold-underline-blink",
 
445
                 "default", "default", ("bold", "underline")),
 
446
                ("bold-standout",
 
447
                 "default", "default", ("bold", "standout")),
 
448
                ("underline-blink-standout",
 
449
                 "default", "default", ("underline", "standout")),
 
450
                ("bold-underline-blink-standout",
 
451
                 "default", "default", ("bold", "underline",
 
452
                                          "standout")),
320
453
                ))
321
454
        
322
455
        if urwid.supports_unicode():
323
 
            self.divider = u"─" # \u2500
324
 
            #self.divider = u"━" # \u2501
 
456
            self.divider = "─" # \u2500
 
457
            #self.divider = "━" # \u2501
325
458
        else:
326
 
            #self.divider = u"-" # \u002d
327
 
            self.divider = u"_" # \u005f
 
459
            #self.divider = "-" # \u002d
 
460
            self.divider = "_" # \u005f
328
461
        
329
462
        self.screen.start()
330
463
        
344
477
        # This keeps track of whether self.uilist currently has
345
478
        # self.logbox in it or not
346
479
        self.log_visible = True
347
 
        self.log_wrap = u"any"
 
480
        self.log_wrap = "any"
348
481
        
349
482
        self.rebuild()
350
 
        self.log_message_raw((u"bold",
351
 
                              u"Mandos Monitor version " + version))
352
 
        self.log_message_raw((u"bold",
353
 
                              u"q: Quit  ?: Help"))
 
483
        self.log_message_raw(("bold",
 
484
                              "Mandos Monitor version " + version))
 
485
        self.log_message_raw(("bold",
 
486
                              "q: Quit  ?: Help"))
354
487
        
355
488
        self.busname = domain + '.Mandos'
356
489
        self.main_loop = gobject.MainLoop()
357
 
        self.bus = dbus.SystemBus()
358
 
        mandos_dbus_objc = self.bus.get_object(
359
 
            self.busname, u"/", follow_name_owner_changes=True)
360
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
361
 
                                          dbus_interface
362
 
                                          = server_interface)
363
 
        try:
364
 
            mandos_clients = (self.mandos_serv
365
 
                              .GetAllClientsWithProperties())
366
 
        except dbus.exceptions.DBusException:
367
 
            mandos_clients = dbus.Dictionary()
368
 
        
369
 
        (self.mandos_serv
370
 
         .connect_to_signal(u"ClientRemoved",
371
 
                            self.find_and_remove_client,
372
 
                            dbus_interface=server_interface,
373
 
                            byte_arrays=True))
374
 
        (self.mandos_serv
375
 
         .connect_to_signal(u"ClientAdded",
376
 
                            self.add_new_client,
377
 
                            dbus_interface=server_interface,
378
 
                            byte_arrays=True))
379
 
        (self.mandos_serv
380
 
         .connect_to_signal(u"ClientNotFound",
381
 
                            self.client_not_found,
382
 
                            dbus_interface=server_interface,
383
 
                            byte_arrays=True))
384
 
        for path, client in mandos_clients.iteritems():
385
 
            client_proxy_object = self.bus.get_object(self.busname,
386
 
                                                      path)
387
 
            self.add_client(MandosClientWidget(server_proxy_object
388
 
                                               =self.mandos_serv,
389
 
                                               proxy_object
390
 
                                               =client_proxy_object,
391
 
                                               properties=client,
392
 
                                               update_hook
393
 
                                               =self.refresh,
394
 
                                               delete_hook
395
 
                                               =self.remove_client,
396
 
                                               logger
397
 
                                               =self.log_message),
398
 
                            path=path)
399
490
    
400
491
    def client_not_found(self, fingerprint, address):
401
 
        self.log_message((u"Client with address %s and fingerprint %s"
402
 
                          u" could not be found" % (address,
403
 
                                                    fingerprint)))
 
492
        self.log_message("Client with address {0} and fingerprint"
 
493
                         " {1} could not be found"
 
494
                         .format(address, fingerprint))
404
495
    
405
496
    def rebuild(self):
406
497
        """This rebuilds the User Interface.
407
498
        Call this when the widget layout needs to change"""
408
499
        self.uilist = []
409
500
        #self.uilist.append(urwid.ListBox(self.clients))
410
 
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
 
501
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
 
502
                                                          clients),
411
503
                                       #header=urwid.Divider(),
412
504
                                       header=None,
413
 
                                       footer=urwid.Divider(div_char=self.divider)))
 
505
                                       footer=
 
506
                                       urwid.Divider(div_char=
 
507
                                                     self.divider)))
414
508
        if self.log_visible:
415
509
            self.uilist.append(self.logbox)
416
 
            pass
417
510
        self.topwidget = urwid.Pile(self.uilist)
418
511
    
419
512
    def log_message(self, message):
420
513
        timestamp = datetime.datetime.now().isoformat()
421
 
        self.log_message_raw(timestamp + u": " + message)
 
514
        self.log_message_raw(timestamp + ": " + message)
422
515
    
423
516
    def log_message_raw(self, markup):
424
517
        """Add a log message to the log buffer."""
427
520
            and len(self.log) > self.max_log_length):
428
521
            del self.log[0:len(self.log)-self.max_log_length-1]
429
522
        self.logbox.set_focus(len(self.logbox.body.contents),
430
 
                              coming_from=u"above")
 
523
                              coming_from="above")
431
524
        self.refresh()
432
525
    
433
526
    def toggle_log_display(self):
434
527
        """Toggle visibility of the log buffer."""
435
528
        self.log_visible = not self.log_visible
436
529
        self.rebuild()
437
 
        self.log_message(u"Log visibility changed to: "
438
 
                         + unicode(self.log_visible))
 
530
        #self.log_message("Log visibility changed to: "
 
531
        #                 + unicode(self.log_visible))
439
532
    
440
533
    def change_log_display(self):
441
534
        """Change type of log display.
442
535
        Currently, this toggles wrapping of text lines."""
443
 
        if self.log_wrap == u"clip":
444
 
            self.log_wrap = u"any"
 
536
        if self.log_wrap == "clip":
 
537
            self.log_wrap = "any"
445
538
        else:
446
 
            self.log_wrap = u"clip"
 
539
            self.log_wrap = "clip"
447
540
        for textwidget in self.log:
448
541
            textwidget.set_wrap_mode(self.log_wrap)
449
 
        self.log_message(u"Wrap mode: " + self.log_wrap)
 
542
        #self.log_message("Wrap mode: " + self.log_wrap)
450
543
    
451
544
    def find_and_remove_client(self, path, name):
452
 
        """Find an client from its object path and remove it.
 
545
        """Find a client by its object path and remove it.
453
546
        
454
547
        This is connected to the ClientRemoved signal from the
455
548
        Mandos server object."""
457
550
            client = self.clients_dict[path]
458
551
        except KeyError:
459
552
            # not found?
 
553
            self.log_message("Unknown client {0!r} ({1!r}) removed"
 
554
                             .format(name, path))
460
555
            return
461
 
        self.remove_client(client, path)
 
556
        client.delete()
462
557
    
463
558
    def add_new_client(self, path):
464
559
        client_proxy_object = self.bus.get_object(self.busname, path)
479
574
        if path is None:
480
575
            path = client.proxy.object_path
481
576
        self.clients_dict[path] = client
482
 
        self.clients.sort(None, lambda c: c.properties[u"name"])
 
577
        self.clients.sort(None, lambda c: c.properties["Name"])
483
578
        self.refresh()
484
579
    
485
580
    def remove_client(self, client, path=None):
501
596
    
502
597
    def run(self):
503
598
        """Start the main loop and exit when it's done."""
 
599
        self.bus = dbus.SystemBus()
 
600
        mandos_dbus_objc = self.bus.get_object(
 
601
            self.busname, "/", follow_name_owner_changes=True)
 
602
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
603
                                          dbus_interface
 
604
                                          = server_interface)
 
605
        try:
 
606
            mandos_clients = (self.mandos_serv
 
607
                              .GetAllClientsWithProperties())
 
608
        except dbus.exceptions.DBusException:
 
609
            mandos_clients = dbus.Dictionary()
 
610
        
 
611
        (self.mandos_serv
 
612
         .connect_to_signal("ClientRemoved",
 
613
                            self.find_and_remove_client,
 
614
                            dbus_interface=server_interface,
 
615
                            byte_arrays=True))
 
616
        (self.mandos_serv
 
617
         .connect_to_signal("ClientAdded",
 
618
                            self.add_new_client,
 
619
                            dbus_interface=server_interface,
 
620
                            byte_arrays=True))
 
621
        (self.mandos_serv
 
622
         .connect_to_signal("ClientNotFound",
 
623
                            self.client_not_found,
 
624
                            dbus_interface=server_interface,
 
625
                            byte_arrays=True))
 
626
        for path, client in mandos_clients.iteritems():
 
627
            client_proxy_object = self.bus.get_object(self.busname,
 
628
                                                      path)
 
629
            self.add_client(MandosClientWidget(server_proxy_object
 
630
                                               =self.mandos_serv,
 
631
                                               proxy_object
 
632
                                               =client_proxy_object,
 
633
                                               properties=client,
 
634
                                               update_hook
 
635
                                               =self.refresh,
 
636
                                               delete_hook
 
637
                                               =self.remove_client,
 
638
                                               logger
 
639
                                               =self.log_message),
 
640
                            path=path)
 
641
 
504
642
        self.refresh()
505
643
        self._input_callback_tag = (gobject.io_add_watch
506
644
                                    (sys.stdin.fileno(),
516
654
    
517
655
    def process_input(self, source, condition):
518
656
        keys = self.screen.get_input()
519
 
        translations = { u"ctrl n": u"down",      # Emacs
520
 
                         u"ctrl p": u"up",        # Emacs
521
 
                         u"ctrl v": u"page down", # Emacs
522
 
                         u"meta v": u"page up",   # Emacs
523
 
                         u" ": u"page down",      # less
524
 
                         u"f": u"page down",      # less
525
 
                         u"b": u"page up",        # less
526
 
                         u"j": u"down",           # vi
527
 
                         u"k": u"up",             # vi
 
657
        translations = { "ctrl n": "down",      # Emacs
 
658
                         "ctrl p": "up",        # Emacs
 
659
                         "ctrl v": "page down", # Emacs
 
660
                         "meta v": "page up",   # Emacs
 
661
                         " ": "page down",      # less
 
662
                         "f": "page down",      # less
 
663
                         "b": "page up",        # less
 
664
                         "j": "down",           # vi
 
665
                         "k": "up",             # vi
528
666
                         }
529
667
        for key in keys:
530
668
            try:
532
670
            except KeyError:    # :-)
533
671
                pass
534
672
            
535
 
            if key == u"q" or key == u"Q":
 
673
            if key == "q" or key == "Q":
536
674
                self.stop()
537
675
                break
538
 
            elif key == u"window resize":
 
676
            elif key == "window resize":
539
677
                self.size = self.screen.get_cols_rows()
540
678
                self.refresh()
541
 
            elif key == u"\f":  # Ctrl-L
 
679
            elif key == "\f":  # Ctrl-L
542
680
                self.refresh()
543
 
            elif key == u"l" or key == u"D":
 
681
            elif key == "l" or key == "D":
544
682
                self.toggle_log_display()
545
683
                self.refresh()
546
 
            elif key == u"w" or key == u"i":
 
684
            elif key == "w" or key == "i":
547
685
                self.change_log_display()
548
686
                self.refresh()
549
 
            elif key == u"?" or key == u"f1" or key == u"esc":
 
687
            elif key == "?" or key == "f1" or key == "esc":
550
688
                if not self.log_visible:
551
689
                    self.log_visible = True
552
690
                    self.rebuild()
553
 
                self.log_message_raw((u"bold",
554
 
                                      u"  ".
555
 
                                      join((u"q: Quit",
556
 
                                            u"?: Help",
557
 
                                            u"l: Log window toggle",
558
 
                                            u"TAB: Switch window",
559
 
                                            u"w: Wrap (log)"))))
560
 
                self.log_message_raw((u"bold",
561
 
                                      u"  "
562
 
                                      .join((u"Clients:",
563
 
                                             u"+: Enable",
564
 
                                             u"-: Disable",
565
 
                                             u"r: Remove",
566
 
                                             u"s: Start new checker",
567
 
                                             u"S: Stop checker",
568
 
                                             u"C: Checker OK",
569
 
                                             u"a: Approve",
570
 
                                             u"d: Deny"))))
 
691
                self.log_message_raw(("bold",
 
692
                                      "  ".
 
693
                                      join(("q: Quit",
 
694
                                            "?: Help",
 
695
                                            "l: Log window toggle",
 
696
                                            "TAB: Switch window",
 
697
                                            "w: Wrap (log)"))))
 
698
                self.log_message_raw(("bold",
 
699
                                      "  "
 
700
                                      .join(("Clients:",
 
701
                                             "+: Enable",
 
702
                                             "-: Disable",
 
703
                                             "R: Remove",
 
704
                                             "s: Start new checker",
 
705
                                             "S: Stop checker",
 
706
                                             "C: Checker OK",
 
707
                                             "a: Approve",
 
708
                                             "d: Deny"))))
571
709
                self.refresh()
572
 
            elif key == u"tab":
 
710
            elif key == "tab":
573
711
                if self.topwidget.get_focus() is self.logbox:
574
712
                    self.topwidget.set_focus(0)
575
713
                else:
576
714
                    self.topwidget.set_focus(self.logbox)
577
715
                self.refresh()
578
 
            #elif (key == u"end" or key == u"meta >" or key == u"G"
579
 
            #      or key == u">"):
 
716
            #elif (key == "end" or key == "meta >" or key == "G"
 
717
            #      or key == ">"):
580
718
            #    pass            # xxx end-of-buffer
581
 
            #elif (key == u"home" or key == u"meta <" or key == u"g"
582
 
            #      or key == u"<"):
 
719
            #elif (key == "home" or key == "meta <" or key == "g"
 
720
            #      or key == "<"):
583
721
            #    pass            # xxx beginning-of-buffer
584
 
            #elif key == u"ctrl e" or key == u"$":
 
722
            #elif key == "ctrl e" or key == "$":
585
723
            #    pass            # xxx move-end-of-line
586
 
            #elif key == u"ctrl a" or key == u"^":
 
724
            #elif key == "ctrl a" or key == "^":
587
725
            #    pass            # xxx move-beginning-of-line
588
 
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
 
726
            #elif key == "ctrl b" or key == "meta (" or key == "h":
589
727
            #    pass            # xxx left
590
 
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
 
728
            #elif key == "ctrl f" or key == "meta )" or key == "l":
591
729
            #    pass            # xxx right
592
 
            #elif key == u"a":
 
730
            #elif key == "a":
593
731
            #    pass            # scroll up log
594
 
            #elif key == u"z":
 
732
            #elif key == "z":
595
733
            #    pass            # scroll down log
596
734
            elif self.topwidget.selectable():
597
735
                self.topwidget.keypress(self.size, key)
601
739
ui = UserInterface()
602
740
try:
603
741
    ui.run()
 
742
except KeyboardInterrupt:
 
743
    ui.screen.stop()
604
744
except Exception, e:
605
745
    ui.log_message(unicode(e))
606
746
    ui.screen.stop()