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  • Committer: teddy at bsnet
  • Date: 2010-08-23 19:23:15 UTC
  • mto: (24.1.154 mandos)
  • mto: This revision was merged to the branch mainline in revision 421.
  • Revision ID: teddy@fukt.bsnet.se-20100823192315-pefgye0l6cavcejs
* debian/control (mandos/Depends): Added "python-urwid".
* mandos (Client.approved_by_default): Changed default to "True".
  (Client.approved_delay): Changed default to "0s".
  (ClientDBus.GotSecret, ClientDBus.Rejected,
  ClientDBus.NeedApproval): Emit "PropertyChanged" signal for the
                            "approved_pending" property.

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mandos-monitor
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1
#!/usr/bin/python
2
2
# -*- mode: python; coding: utf-8 -*-
3
 
# 
4
 
# Mandos Monitor - Control and monitor the Mandos server
5
 
# 
6
 
# Copyright © 2009-2011 Teddy Hogeborn
7
 
# Copyright © 2009-2011 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
 
# 
24
3
 
25
 
from __future__ import (division, absolute_import, print_function,
26
 
                        unicode_literals)
 
4
from __future__ import division, absolute_import, with_statement
27
5
 
28
6
import sys
29
7
import os
43
21
 
44
22
import locale
45
23
 
46
 
locale.setlocale(locale.LC_ALL, '')
47
 
 
48
 
import logging
49
 
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
 
24
locale.setlocale(locale.LC_ALL, u'')
50
25
 
51
26
# Some useful constants
52
 
domain = 'se.recompile'
 
27
domain = 'se.bsnet.fukt'
53
28
server_interface = domain + '.Mandos'
54
29
client_interface = domain + '.Mandos.Client'
55
 
version = "1.4.1"
 
30
version = "1.0.14"
56
31
 
57
32
# Always run in monochrome mode
58
33
urwid.curses_display.curses.has_colors = lambda : False
62
37
urwid.curses_display.curses.A_UNDERLINE |= (
63
38
    urwid.curses_display.curses.A_BLINK)
64
39
 
65
 
def isoformat_to_datetime(iso):
66
 
    "Parse an ISO 8601 date string to a datetime.datetime()"
67
 
    if not iso:
68
 
        return None
69
 
    d, t = iso.split("T", 1)
70
 
    year, month, day = d.split("-", 2)
71
 
    hour, minute, second = t.split(":", 2)
72
 
    second, fraction = divmod(float(second), 1)
73
 
    return datetime.datetime(int(year),
74
 
                             int(month),
75
 
                             int(day),
76
 
                             int(hour),
77
 
                             int(minute),
78
 
                             int(second),           # Whole seconds
79
 
                             int(fraction*1000000)) # Microseconds
80
 
 
81
40
class MandosClientPropertyCache(object):
82
41
    """This wraps a Mandos Client D-Bus proxy object, caches the
83
42
    properties and calls a hook function when any of them are
87
46
        self.proxy = proxy_object # Mandos Client proxy object
88
47
        
89
48
        self.properties = dict()
90
 
        self.property_changed_match = (
91
 
            self.proxy.connect_to_signal("PropertyChanged",
92
 
                                         self.property_changed,
93
 
                                         client_interface,
94
 
                                         byte_arrays=True))
95
 
        
 
49
        self.proxy.connect_to_signal(u"PropertyChanged",
 
50
                                     self.property_changed,
 
51
                                     client_interface,
 
52
                                     byte_arrays=True)
 
53
 
96
54
        self.properties.update(
97
55
            self.proxy.GetAll(client_interface,
98
56
                              dbus_interface = dbus.PROPERTIES_IFACE))
99
 
 
100
 
        #XXX This breaks good super behaviour
101
 
#        super(MandosClientPropertyCache, self).__init__(
102
 
#            *args, **kwargs)
 
57
        super(MandosClientPropertyCache, self).__init__(
 
58
            proxy_object=proxy_object, *args, **kwargs)
103
59
    
104
60
    def property_changed(self, property=None, value=None):
105
61
        """This is called whenever we get a PropertyChanged signal
107
63
        """
108
64
        # Update properties dict with new value
109
65
        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)
115
66
 
116
67
 
117
68
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
129
80
        # Logger
130
81
        self.logger = logger
131
82
        
132
 
        self._update_timer_callback_tag = None
133
 
        self._update_timer_callback_lock = 0
134
 
        self.last_checker_failed = False
135
 
        
136
83
        # The widget shown normally
137
 
        self._text_widget = urwid.Text("")
 
84
        self._text_widget = urwid.Text(u"")
138
85
        # The widget shown when we have focus
139
 
        self._focus_text_widget = urwid.Text("")
 
86
        self._focus_text_widget = urwid.Text(u"")
140
87
        super(MandosClientWidget, self).__init__(
141
88
            update_hook=update_hook, delete_hook=delete_hook,
142
89
            *args, **kwargs)
143
90
        self.update()
144
91
        self.opened = False
145
 
        
146
 
        last_checked_ok = isoformat_to_datetime(self.properties
147
 
                                                ["LastCheckedOK"])
148
 
        if last_checked_ok is None:
149
 
            self.last_checker_failed = True
150
 
        else:
151
 
            self.last_checker_failed = ((datetime.datetime.utcnow()
152
 
                                         - last_checked_ok)
153
 
                                        > datetime.timedelta
154
 
                                        (milliseconds=
155
 
                                         self.properties
156
 
                                         ["Interval"]))
157
 
        
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
204
 
            self._update_timer_callback_tag = (gobject.timeout_add
205
 
                                               (1000,
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
 
92
        self.proxy.connect_to_signal(u"CheckerCompleted",
 
93
                                     self.checker_completed,
 
94
                                     client_interface,
 
95
                                     byte_arrays=True)
 
96
        self.proxy.connect_to_signal(u"CheckerStarted",
 
97
                                     self.checker_started,
 
98
                                     client_interface,
 
99
                                     byte_arrays=True)
 
100
        self.proxy.connect_to_signal(u"GotSecret",
 
101
                                     self.got_secret,
 
102
                                     client_interface,
 
103
                                     byte_arrays=True)
 
104
        self.proxy.connect_to_signal(u"Rejected",
 
105
                                     self.rejected,
 
106
                                     client_interface,
 
107
                                     byte_arrays=True)
210
108
    
211
109
    def checker_completed(self, exitstatus, condition, command):
212
110
        if exitstatus == 0:
213
 
            if self.last_checker_failed:
214
 
                self.last_checker_failed = False
215
 
                self.using_timer(False)
216
 
            #self.logger('Checker for client %s (command "%s")'
217
 
            #            ' was successful'
218
 
            #            % (self.properties["Name"], command))
219
 
            self.update()
 
111
            self.logger(u'Checker for client %s (command "%s")'
 
112
                        u' was successful'
 
113
                        % (self.properties[u"name"], command))
220
114
            return
221
 
        # Checker failed
222
 
        if not self.last_checker_failed:
223
 
            self.last_checker_failed = True
224
 
            self.using_timer(True)
225
115
        if os.WIFEXITED(condition):
226
 
            self.logger('Checker for client %s (command "%s")'
227
 
                        ' failed with exit code %s'
228
 
                        % (self.properties["Name"], command,
 
116
            self.logger(u'Checker for client %s (command "%s")'
 
117
                        u' failed with exit code %s'
 
118
                        % (self.properties[u"name"], command,
229
119
                           os.WEXITSTATUS(condition)))
230
 
        elif os.WIFSIGNALED(condition):
231
 
            self.logger('Checker for client %s (command "%s")'
232
 
                        ' was killed by signal %s'
233
 
                        % (self.properties["Name"], command,
 
120
            return
 
121
        if os.WIFSIGNALED(condition):
 
122
            self.logger(u'Checker for client %s (command "%s")'
 
123
                        u' was killed by signal %s'
 
124
                        % (self.properties[u"name"], command,
234
125
                           os.WTERMSIG(condition)))
235
 
        elif os.WCOREDUMP(condition):
236
 
            self.logger('Checker for client %s (command "%s")'
237
 
                        ' dumped core'
238
 
                        % (self.properties["Name"], command))
239
 
        else:
240
 
            self.logger('Checker for client %s completed'
241
 
                        ' mysteriously')
242
 
        self.update()
 
126
            return
 
127
        if os.WCOREDUMP(condition):
 
128
            self.logger(u'Checker for client %s (command "%s")'
 
129
                        u' dumped core'
 
130
                        % (self.properties[u"name"], command))
 
131
        self.logger(u'Checker for client %s completed mysteriously')
243
132
    
244
133
    def checker_started(self, 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)))
249
 
        pass
 
134
        self.logger(u'Client %s started checker "%s"'
 
135
                    % (self.properties[u"name"], unicode(command)))
250
136
    
251
137
    def got_secret(self):
252
 
        self.last_checker_failed = False
253
 
        self.logger('Client %s received its secret'
254
 
                    % self.properties["Name"])
255
 
    
256
 
    def need_approval(self, timeout, default):
257
 
        if not default:
258
 
            message = 'Client %s needs approval within %s seconds'
259
 
        else:
260
 
            message = 'Client %s will get its secret in %s seconds'
261
 
        self.logger(message
262
 
                    % (self.properties["Name"], timeout/1000))
263
 
        self.using_timer(True)
264
 
    
265
 
    def rejected(self, reason):
266
 
        self.logger('Client %s was rejected; reason: %s'
267
 
                    % (self.properties["Name"], reason))
 
138
        self.logger(u'Client %s received its secret'
 
139
                    % self.properties[u"name"])
 
140
    
 
141
    def rejected(self):
 
142
        self.logger(u'Client %s was rejected'
 
143
                    % self.properties[u"name"])
268
144
    
269
145
    def selectable(self):
270
146
        """Make this a "selectable" widget.
271
147
        This overrides the method from urwid.FlowWidget."""
272
148
        return True
273
149
    
274
 
    def rows(self, maxcolrow, focus=False):
 
150
    def rows(self, (maxcol,), focus=False):
275
151
        """How many rows this widget will occupy might depend on
276
152
        whether we have focus or not.
277
153
        This overrides the method from urwid.FlowWidget"""
278
 
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
154
        return self.current_widget(focus).rows((maxcol,), focus=focus)
279
155
    
280
156
    def current_widget(self, focus=False):
281
157
        if focus or self.opened:
285
161
    def update(self):
286
162
        "Called when what is visible on the screen should be updated."
287
163
        # How to add standout mode to a style
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",
 
164
        with_standout = { u"normal": u"standout",
 
165
                          u"bold": u"bold-standout",
 
166
                          u"underline-blink":
 
167
                              u"underline-blink-standout",
 
168
                          u"bold-underline-blink":
 
169
                              u"bold-underline-blink-standout",
294
170
                          }
295
 
 
 
171
        
296
172
        # Rebuild focus and non-focus widgets using current properties
297
 
 
298
 
        # Base part of a client. Name!
299
 
        base = ('%(name)s: '
300
 
                      % {"name": self.properties["Name"]})
301
 
        if not self.properties["Enabled"]:
302
 
            message = "DISABLED"
303
 
        elif self.properties["ApprovalPending"]:
304
 
            timeout = datetime.timedelta(milliseconds
305
 
                                         = self.properties
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'
330
 
                           % unicode(timer).rsplit(".", 1)[0])
331
 
        else:
332
 
            message = "enabled"
333
 
        self._text = "%s%s" % (base, message)
334
 
            
 
173
        self._text = (u'%(name)s: %(enabled)s'
 
174
                      % { u"name": self.properties[u"name"],
 
175
                          u"enabled":
 
176
                              (u"enabled"
 
177
                               if self.properties[u"enabled"]
 
178
                               else u"DISABLED")})
335
179
        if not urwid.supports_unicode():
336
180
            self._text = self._text.encode("ascii", "replace")
337
 
        textlist = [("normal", self._text)]
 
181
        textlist = [(u"normal", self._text)]
338
182
        self._text_widget.set_text(textlist)
339
183
        self._focus_text_widget.set_text([(with_standout[text[0]],
340
184
                                           text[1])
348
192
        if self.update_hook is not None:
349
193
            self.update_hook()
350
194
    
351
 
    def update_timer(self):
352
 
        """called by gobject. Will indefinitely loop until
353
 
        gobject.source_remove() on tag is called"""
354
 
        self.update()
355
 
        return True             # Keep calling this
356
 
    
357
 
    def delete(self, *args, **kwargs):
358
 
        if self._update_timer_callback_tag is not None:
359
 
            gobject.source_remove(self._update_timer_callback_tag)
360
 
            self._update_timer_callback_tag = None
361
 
        for match in self.match_objects:
362
 
            match.remove()
363
 
        self.match_objects = ()
 
195
    def delete(self):
364
196
        if self.delete_hook is not None:
365
197
            self.delete_hook(self)
366
 
        return super(MandosClientWidget, self).delete(*args, **kwargs)
367
198
    
368
 
    def render(self, maxcolrow, focus=False):
 
199
    def render(self, (maxcol,), focus=False):
369
200
        """Render differently if we have focus.
370
201
        This overrides the method from urwid.FlowWidget"""
371
 
        return self.current_widget(focus).render(maxcolrow,
 
202
        return self.current_widget(focus).render((maxcol,),
372
203
                                                 focus=focus)
373
204
    
374
 
    def keypress(self, maxcolrow, key):
 
205
    def keypress(self, (maxcol,), key):
375
206
        """Handle keys.
376
207
        This overrides the method from urwid.FlowWidget"""
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":
384
 
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
385
 
                               dbus_interface = client_interface,
386
 
                               ignore_reply=True)
387
 
        elif key == "d":
388
 
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
389
 
                                  dbus_interface = client_interface,
390
 
                               ignore_reply=True)
391
 
        elif key == "R" or key == "_" or key == "ctrl k":
 
208
        if key == u"e" or key == u"+":
 
209
            self.proxy.Enable()
 
210
        elif key == u"d" or key == u"-":
 
211
            self.proxy.Disable()
 
212
        elif key == u"r" or key == u"_" or key == u"ctrl k":
392
213
            self.server_proxy_object.RemoveClient(self.proxy
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)
 
214
                                                  .object_path)
 
215
        elif key == u"s":
 
216
            self.proxy.StartChecker()
 
217
        elif key == u"S":
 
218
            self.proxy.StopChecker()
 
219
        elif key == u"C":
 
220
            self.proxy.CheckedOK()
404
221
        # xxx
405
 
#         elif key == "p" or key == "=":
 
222
#         elif key == u"p" or key == "=":
406
223
#             self.proxy.pause()
407
 
#         elif key == "u" or key == ":":
 
224
#         elif key == u"u" or key == ":":
408
225
#             self.proxy.unpause()
409
 
#         elif key == "RET":
 
226
#         elif key == u"RET":
410
227
#             self.open()
411
228
        else:
412
229
            return key
428
245
    "down" key presses, thus not allowing any containing widgets to
429
246
    use them as an excuse to shift focus away from this widget.
430
247
    """
431
 
    def keypress(self, maxcolrow, key):
432
 
        ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
433
 
        if ret in ("up", "down"):
 
248
    def keypress(self, (maxcol, maxrow), key):
 
249
        ret = super(ConstrainedListBox, self).keypress((maxcol, maxrow), key)
 
250
        if ret in (u"up", u"down"):
434
251
            return
435
252
        return ret
436
253
 
445
262
        self.screen = urwid.curses_display.Screen()
446
263
        
447
264
        self.screen.register_palette((
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")),
 
265
                (u"normal",
 
266
                 u"default", u"default", None),
 
267
                (u"bold",
 
268
                 u"default", u"default", u"bold"),
 
269
                (u"underline-blink",
 
270
                 u"default", u"default", u"underline"),
 
271
                (u"standout",
 
272
                 u"default", u"default", u"standout"),
 
273
                (u"bold-underline-blink",
 
274
                 u"default", u"default", (u"bold", u"underline")),
 
275
                (u"bold-standout",
 
276
                 u"default", u"default", (u"bold", u"standout")),
 
277
                (u"underline-blink-standout",
 
278
                 u"default", u"default", (u"underline", u"standout")),
 
279
                (u"bold-underline-blink-standout",
 
280
                 u"default", u"default", (u"bold", u"underline",
 
281
                                          u"standout")),
465
282
                ))
466
283
        
467
284
        if urwid.supports_unicode():
468
 
            self.divider = "─" # \u2500
469
 
            #self.divider = "━" # \u2501
 
285
            self.divider = u"─" # \u2500
 
286
            #self.divider = u"━" # \u2501
470
287
        else:
471
 
            #self.divider = "-" # \u002d
472
 
            self.divider = "_" # \u005f
 
288
            #self.divider = u"-" # \u002d
 
289
            self.divider = u"_" # \u005f
473
290
        
474
291
        self.screen.start()
475
292
        
489
306
        # This keeps track of whether self.uilist currently has
490
307
        # self.logbox in it or not
491
308
        self.log_visible = True
492
 
        self.log_wrap = "any"
 
309
        self.log_wrap = u"any"
493
310
        
494
311
        self.rebuild()
495
 
        self.log_message_raw(("bold",
496
 
                              "Mandos Monitor version " + version))
497
 
        self.log_message_raw(("bold",
498
 
                              "q: Quit  ?: Help"))
 
312
        self.log_message_raw((u"bold",
 
313
                              u"Mandos Monitor version " + version))
 
314
        self.log_message_raw((u"bold",
 
315
                              u"q: Quit  ?: Help"))
499
316
        
500
317
        self.busname = domain + '.Mandos'
501
318
        self.main_loop = gobject.MainLoop()
 
319
        self.bus = dbus.SystemBus()
 
320
        mandos_dbus_objc = self.bus.get_object(
 
321
            self.busname, u"/", follow_name_owner_changes=True)
 
322
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
323
                                          dbus_interface
 
324
                                          = server_interface)
 
325
        try:
 
326
            mandos_clients = (self.mandos_serv
 
327
                              .GetAllClientsWithProperties())
 
328
        except dbus.exceptions.DBusException:
 
329
            mandos_clients = dbus.Dictionary()
 
330
        
 
331
        (self.mandos_serv
 
332
         .connect_to_signal(u"ClientRemoved",
 
333
                            self.find_and_remove_client,
 
334
                            dbus_interface=server_interface,
 
335
                            byte_arrays=True))
 
336
        (self.mandos_serv
 
337
         .connect_to_signal(u"ClientAdded",
 
338
                            self.add_new_client,
 
339
                            dbus_interface=server_interface,
 
340
                            byte_arrays=True))
 
341
        (self.mandos_serv
 
342
         .connect_to_signal(u"ClientNotFound",
 
343
                            self.client_not_found,
 
344
                            dbus_interface=server_interface,
 
345
                            byte_arrays=True))
 
346
        for path, client in mandos_clients.iteritems():
 
347
            client_proxy_object = self.bus.get_object(self.busname,
 
348
                                                      path)
 
349
            self.add_client(MandosClientWidget(server_proxy_object
 
350
                                               =self.mandos_serv,
 
351
                                               proxy_object
 
352
                                               =client_proxy_object,
 
353
                                               properties=client,
 
354
                                               update_hook
 
355
                                               =self.refresh,
 
356
                                               delete_hook
 
357
                                               =self.remove_client,
 
358
                                               logger
 
359
                                               =self.log_message),
 
360
                            path=path)
502
361
    
503
362
    def client_not_found(self, fingerprint, address):
504
 
        self.log_message(("Client with address %s and fingerprint %s"
505
 
                          " could not be found" % (address,
 
363
        self.log_message((u"Client with address %s and fingerprint %s"
 
364
                          u" could not be found" % (address,
506
365
                                                    fingerprint)))
507
366
    
508
367
    def rebuild(self):
510
369
        Call this when the widget layout needs to change"""
511
370
        self.uilist = []
512
371
        #self.uilist.append(urwid.ListBox(self.clients))
513
 
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
514
 
                                                          clients),
 
372
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
515
373
                                       #header=urwid.Divider(),
516
374
                                       header=None,
517
 
                                       footer=
518
 
                                       urwid.Divider(div_char=
519
 
                                                     self.divider)))
 
375
                                       footer=urwid.Divider(div_char=self.divider)))
520
376
        if self.log_visible:
521
377
            self.uilist.append(self.logbox)
 
378
            pass
522
379
        self.topwidget = urwid.Pile(self.uilist)
523
380
    
524
381
    def log_message(self, message):
525
382
        timestamp = datetime.datetime.now().isoformat()
526
 
        self.log_message_raw(timestamp + ": " + message)
 
383
        self.log_message_raw(timestamp + u": " + message)
527
384
    
528
385
    def log_message_raw(self, markup):
529
386
        """Add a log message to the log buffer."""
532
389
            and len(self.log) > self.max_log_length):
533
390
            del self.log[0:len(self.log)-self.max_log_length-1]
534
391
        self.logbox.set_focus(len(self.logbox.body.contents),
535
 
                              coming_from="above")
 
392
                              coming_from=u"above")
536
393
        self.refresh()
537
394
    
538
395
    def toggle_log_display(self):
539
396
        """Toggle visibility of the log buffer."""
540
397
        self.log_visible = not self.log_visible
541
398
        self.rebuild()
542
 
        #self.log_message("Log visibility changed to: "
543
 
        #                 + unicode(self.log_visible))
 
399
        self.log_message(u"Log visibility changed to: "
 
400
                         + unicode(self.log_visible))
544
401
    
545
402
    def change_log_display(self):
546
403
        """Change type of log display.
547
404
        Currently, this toggles wrapping of text lines."""
548
 
        if self.log_wrap == "clip":
549
 
            self.log_wrap = "any"
 
405
        if self.log_wrap == u"clip":
 
406
            self.log_wrap = u"any"
550
407
        else:
551
 
            self.log_wrap = "clip"
 
408
            self.log_wrap = u"clip"
552
409
        for textwidget in self.log:
553
410
            textwidget.set_wrap_mode(self.log_wrap)
554
 
        #self.log_message("Wrap mode: " + self.log_wrap)
 
411
        self.log_message(u"Wrap mode: " + self.log_wrap)
555
412
    
556
413
    def find_and_remove_client(self, path, name):
557
 
        """Find a client by its object path and remove it.
 
414
        """Find an client from its object path and remove it.
558
415
        
559
416
        This is connected to the ClientRemoved signal from the
560
417
        Mandos server object."""
562
419
            client = self.clients_dict[path]
563
420
        except KeyError:
564
421
            # not found?
565
 
            self.log_message("Unknown client %r (%r) removed", name,
566
 
                             path)
567
422
            return
568
 
        client.delete()
 
423
        self.remove_client(client, path)
569
424
    
570
425
    def add_new_client(self, path):
571
426
        client_proxy_object = self.bus.get_object(self.busname, path)
586
441
        if path is None:
587
442
            path = client.proxy.object_path
588
443
        self.clients_dict[path] = client
589
 
        self.clients.sort(None, lambda c: c.properties["Name"])
 
444
        self.clients.sort(None, lambda c: c.properties[u"name"])
590
445
        self.refresh()
591
446
    
592
447
    def remove_client(self, client, path=None):
608
463
    
609
464
    def run(self):
610
465
        """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
 
 
654
466
        self.refresh()
655
467
        self._input_callback_tag = (gobject.io_add_watch
656
468
                                    (sys.stdin.fileno(),
666
478
    
667
479
    def process_input(self, source, condition):
668
480
        keys = self.screen.get_input()
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
 
481
        translations = { u"ctrl n": u"down",      # Emacs
 
482
                         u"ctrl p": u"up",        # Emacs
 
483
                         u"ctrl v": u"page down", # Emacs
 
484
                         u"meta v": u"page up",   # Emacs
 
485
                         u" ": u"page down",      # less
 
486
                         u"f": u"page down",      # less
 
487
                         u"b": u"page up",        # less
 
488
                         u"j": u"down",           # vi
 
489
                         u"k": u"up",             # vi
678
490
                         }
679
491
        for key in keys:
680
492
            try:
682
494
            except KeyError:    # :-)
683
495
                pass
684
496
            
685
 
            if key == "q" or key == "Q":
 
497
            if key == u"q" or key == u"Q":
686
498
                self.stop()
687
499
                break
688
 
            elif key == "window resize":
 
500
            elif key == u"window resize":
689
501
                self.size = self.screen.get_cols_rows()
690
502
                self.refresh()
691
 
            elif key == "\f":  # Ctrl-L
 
503
            elif key == u"\f":  # Ctrl-L
692
504
                self.refresh()
693
 
            elif key == "l" or key == "D":
 
505
            elif key == u"l" or key == u"D":
694
506
                self.toggle_log_display()
695
507
                self.refresh()
696
 
            elif key == "w" or key == "i":
 
508
            elif key == u"w" or key == u"i":
697
509
                self.change_log_display()
698
510
                self.refresh()
699
 
            elif key == "?" or key == "f1" or key == "esc":
 
511
            elif key == u"?" or key == u"f1" or key == u"esc":
700
512
                if not self.log_visible:
701
513
                    self.log_visible = True
702
514
                    self.rebuild()
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"))))
 
515
                self.log_message_raw((u"bold",
 
516
                                      u"  ".
 
517
                                      join((u"q: Quit",
 
518
                                            u"?: Help",
 
519
                                            u"l: Log window toggle",
 
520
                                            u"TAB: Switch window",
 
521
                                            u"w: Wrap (log)"))))
 
522
                self.log_message_raw((u"bold",
 
523
                                      u"  "
 
524
                                      .join((u"Clients:",
 
525
                                             u"e: Enable",
 
526
                                             u"d: Disable",
 
527
                                             u"r: Remove",
 
528
                                             u"s: Start new checker",
 
529
                                             u"S: Stop checker",
 
530
                                             u"C: Checker OK"))))
721
531
                self.refresh()
722
 
            elif key == "tab":
 
532
            elif key == u"tab":
723
533
                if self.topwidget.get_focus() is self.logbox:
724
534
                    self.topwidget.set_focus(0)
725
535
                else:
726
536
                    self.topwidget.set_focus(self.logbox)
727
537
                self.refresh()
728
 
            #elif (key == "end" or key == "meta >" or key == "G"
729
 
            #      or key == ">"):
 
538
            #elif (key == u"end" or key == u"meta >" or key == u"G"
 
539
            #      or key == u">"):
730
540
            #    pass            # xxx end-of-buffer
731
 
            #elif (key == "home" or key == "meta <" or key == "g"
732
 
            #      or key == "<"):
 
541
            #elif (key == u"home" or key == u"meta <" or key == u"g"
 
542
            #      or key == u"<"):
733
543
            #    pass            # xxx beginning-of-buffer
734
 
            #elif key == "ctrl e" or key == "$":
 
544
            #elif key == u"ctrl e" or key == u"$":
735
545
            #    pass            # xxx move-end-of-line
736
 
            #elif key == "ctrl a" or key == "^":
 
546
            #elif key == u"ctrl a" or key == u"^":
737
547
            #    pass            # xxx move-beginning-of-line
738
 
            #elif key == "ctrl b" or key == "meta (" or key == "h":
 
548
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
739
549
            #    pass            # xxx left
740
 
            #elif key == "ctrl f" or key == "meta )" or key == "l":
 
550
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
741
551
            #    pass            # xxx right
742
 
            #elif key == "a":
 
552
            #elif key == u"a":
743
553
            #    pass            # scroll up log
744
 
            #elif key == "z":
 
554
            #elif key == u"z":
745
555
            #    pass            # scroll down log
746
556
            elif self.topwidget.selectable():
747
557
                self.topwidget.keypress(self.size, key)
751
561
ui = UserInterface()
752
562
try:
753
563
    ui.run()
754
 
except KeyboardInterrupt:
755
 
    ui.screen.stop()
756
564
except Exception, e:
757
565
    ui.log_message(unicode(e))
758
566
    ui.screen.stop()