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  • Committer: Teddy Hogeborn
  • Date: 2009-11-10 03:45:18 UTC
  • Revision ID: teddy@fukt.bsnet.se-20091110034518-2ofins935ffqbbse
* mandos-monitor (MandosClientWidget): Change "StopChecker" key to "S"
                                       and changed "CheckedOK" key to
                                       "C".
  (UserInterface.__init__): Show version number and brief help on start.
  (UserInterface.process_input): Help key now shows help in log
                                 buffer, and shows log buffer if
                                 hidden.  Commented out
                                 non-implemented keys.

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mandos-monitor
1
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
 
import os
30
7
import signal
31
8
 
32
 
import datetime
33
 
 
34
9
import urwid.curses_display
35
10
import urwid
36
11
 
41
16
 
42
17
import UserList
43
18
 
44
 
import locale
45
 
 
46
 
locale.setlocale(locale.LC_ALL, '')
47
 
 
48
 
import logging
49
 
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
50
 
 
51
19
# Some useful constants
52
 
domain = 'se.recompile'
 
20
domain = 'se.bsnet.fukt'
53
21
server_interface = domain + '.Mandos'
54
22
client_interface = domain + '.Mandos.Client'
55
 
version = "1.4.1"
 
23
version = "1.0.14"
56
24
 
57
25
# Always run in monochrome mode
58
26
urwid.curses_display.curses.has_colors = lambda : False
62
30
urwid.curses_display.curses.A_UNDERLINE |= (
63
31
    urwid.curses_display.curses.A_BLINK)
64
32
 
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
33
class MandosClientPropertyCache(object):
82
34
    """This wraps a Mandos Client D-Bus proxy object, caches the
83
35
    properties and calls a hook function when any of them are
84
36
    changed.
85
37
    """
86
 
    def __init__(self, proxy_object=None, *args, **kwargs):
 
38
    def __init__(self, proxy_object=None, properties=None, *args,
 
39
                 **kwargs):
87
40
        self.proxy = proxy_object # Mandos Client proxy object
88
41
        
89
 
        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))
 
42
        if properties is None:
 
43
            self.properties = dict()
 
44
        else:
 
45
            self.properties = properties
 
46
        self.proxy.connect_to_signal("PropertyChanged",
 
47
                                     self.property_changed,
 
48
                                     client_interface,
 
49
                                     byte_arrays=True)
95
50
        
96
 
        self.properties.update(
97
 
            self.proxy.GetAll(client_interface,
98
 
                              dbus_interface = dbus.PROPERTIES_IFACE))
99
 
 
100
 
        #XXX This breaks good super behaviour
101
 
#        super(MandosClientPropertyCache, self).__init__(
102
 
#            *args, **kwargs)
 
51
        if properties is None:
 
52
            self.properties.update(self.proxy.GetAll(client_interface,
 
53
                                                     dbus_interface =
 
54
                                                     dbus.PROPERTIES_IFACE))
 
55
        super(MandosClientPropertyCache, self).__init__(
 
56
            proxy_object=proxy_object,
 
57
            properties=properties, *args, **kwargs)
103
58
    
104
59
    def property_changed(self, property=None, value=None):
105
60
        """This is called whenever we get a PropertyChanged signal
107
62
        """
108
63
        # Update properties dict with new value
109
64
        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
65
 
116
66
 
117
67
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
119
69
    """
120
70
    
121
71
    def __init__(self, server_proxy_object=None, update_hook=None,
122
 
                 delete_hook=None, logger=None, *args, **kwargs):
 
72
                 delete_hook=None, *args, **kwargs):
123
73
        # Called on update
124
74
        self.update_hook = update_hook
125
75
        # Called on delete
126
76
        self.delete_hook = delete_hook
127
77
        # Mandos Server proxy object
128
78
        self.server_proxy_object = server_proxy_object
129
 
        # Logger
130
 
        self.logger = logger
131
 
        
132
 
        self._update_timer_callback_tag = None
133
 
        self._update_timer_callback_lock = 0
134
 
        self.last_checker_failed = False
135
79
        
136
80
        # The widget shown normally
137
81
        self._text_widget = urwid.Text("")
142
86
            *args, **kwargs)
143
87
        self.update()
144
88
        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
210
 
    
211
 
    def checker_completed(self, exitstatus, condition, command):
212
 
        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()
220
 
            return
221
 
        # Checker failed
222
 
        if not self.last_checker_failed:
223
 
            self.last_checker_failed = True
224
 
            self.using_timer(True)
225
 
        if os.WIFEXITED(condition):
226
 
            self.logger('Checker for client %s (command "%s")'
227
 
                        ' failed with exit code %s'
228
 
                        % (self.properties["Name"], command,
229
 
                           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,
234
 
                           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()
243
 
    
244
 
    def checker_started(self, command):
245
 
        #self.logger('Client %s started checker "%s"'
246
 
        #            % (self.properties["Name"], unicode(command)))
247
 
        pass
248
 
    
249
 
    def got_secret(self):
250
 
        self.last_checker_failed = False
251
 
        self.logger('Client %s received its secret'
252
 
                    % self.properties["Name"])
253
 
    
254
 
    def need_approval(self, timeout, default):
255
 
        if not default:
256
 
            message = 'Client %s needs approval within %s seconds'
257
 
        else:
258
 
            message = 'Client %s will get its secret in %s seconds'
259
 
        self.logger(message
260
 
                    % (self.properties["Name"], timeout/1000))
261
 
        self.using_timer(True)
262
 
    
263
 
    def rejected(self, reason):
264
 
        self.logger('Client %s was rejected; reason: %s'
265
 
                    % (self.properties["Name"], reason))
266
89
    
267
90
    def selectable(self):
268
91
        """Make this a "selectable" widget.
269
92
        This overrides the method from urwid.FlowWidget."""
270
93
        return True
271
94
    
272
 
    def rows(self, maxcolrow, focus=False):
 
95
    def rows(self, (maxcol,), focus=False):
273
96
        """How many rows this widget will occupy might depend on
274
97
        whether we have focus or not.
275
98
        This overrides the method from urwid.FlowWidget"""
276
 
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
99
        return self.current_widget(focus).rows((maxcol,), focus=focus)
277
100
    
278
101
    def current_widget(self, focus=False):
279
102
        if focus or self.opened:
283
106
    def update(self):
284
107
        "Called when what is visible on the screen should be updated."
285
108
        # How to add standout mode to a style
286
 
        with_standout = { "normal": "standout",
287
 
                          "bold": "bold-standout",
288
 
                          "underline-blink":
289
 
                              "underline-blink-standout",
290
 
                          "bold-underline-blink":
291
 
                              "bold-underline-blink-standout",
 
109
        with_standout = { u"normal": u"standout",
 
110
                          u"bold": u"bold-standout",
 
111
                          u"underline-blink":
 
112
                              u"underline-blink-standout",
 
113
                          u"bold-underline-blink":
 
114
                              u"bold-underline-blink-standout",
292
115
                          }
293
 
 
 
116
        
294
117
        # Rebuild focus and non-focus widgets using current properties
295
 
 
296
 
        # Base part of a client. Name!
297
 
        base = ('%(name)s: '
298
 
                      % {"name": self.properties["Name"]})
299
 
        if not self.properties["Enabled"]:
300
 
            message = "DISABLED"
301
 
        elif self.properties["ApprovalPending"]:
302
 
            timeout = datetime.timedelta(milliseconds
303
 
                                         = self.properties
304
 
                                         ["ApprovalDelay"])
305
 
            last_approval_request = isoformat_to_datetime(
306
 
                self.properties["LastApprovalRequest"])
307
 
            if last_approval_request is not None:
308
 
                timer = timeout - (datetime.datetime.utcnow()
309
 
                                   - last_approval_request)
310
 
            else:
311
 
                timer = datetime.timedelta()
312
 
            if self.properties["ApprovedByDefault"]:
313
 
                message = "Approval in %s. (d)eny?"
314
 
            else:
315
 
                message = "Denial in %s. (a)pprove?"
316
 
            message = message % unicode(timer).rsplit(".", 1)[0]
317
 
        elif self.last_checker_failed:
318
 
            # When checker has failed, print a timer until client expires
319
 
            expires = self.properties["Expires"]
320
 
            if expires == "":
321
 
                timer = datetime.timedelta(0)
322
 
            else:
323
 
                expires = datetime.datetime.strptime(expires,
324
 
                                                     '%Y-%m-%dT%H:%M:%S.%f')
325
 
                timer = expires - datetime.datetime.utcnow()
326
 
            message = ('A checker has failed! Time until client'
327
 
                       ' gets disabled: %s'
328
 
                           % unicode(timer).rsplit(".", 1)[0])
329
 
        else:
330
 
            message = "enabled"
331
 
        self._text = "%s%s" % (base, message)
332
 
            
 
118
        self._text = (u'name="%(name)s", enabled=%(enabled)s'
 
119
                      % self.properties)
333
120
        if not urwid.supports_unicode():
334
121
            self._text = self._text.encode("ascii", "replace")
335
 
        textlist = [("normal", self._text)]
 
122
        textlist = [(u"normal", u"BLARGH: "), (u"bold", self._text)]
336
123
        self._text_widget.set_text(textlist)
337
124
        self._focus_text_widget.set_text([(with_standout[text[0]],
338
125
                                           text[1])
346
133
        if self.update_hook is not None:
347
134
            self.update_hook()
348
135
    
349
 
    def update_timer(self):
350
 
        """called by gobject. Will indefinitely loop until
351
 
        gobject.source_remove() on tag is called"""
352
 
        self.update()
353
 
        return True             # Keep calling this
354
 
    
355
 
    def delete(self, *args, **kwargs):
356
 
        if self._update_timer_callback_tag is not None:
357
 
            gobject.source_remove(self._update_timer_callback_tag)
358
 
            self._update_timer_callback_tag = None
359
 
        for match in self.match_objects:
360
 
            match.remove()
361
 
        self.match_objects = ()
 
136
    def delete(self):
362
137
        if self.delete_hook is not None:
363
138
            self.delete_hook(self)
364
 
        return super(MandosClientWidget, self).delete(*args, **kwargs)
365
139
    
366
 
    def render(self, maxcolrow, focus=False):
 
140
    def render(self, (maxcol,), focus=False):
367
141
        """Render differently if we have focus.
368
142
        This overrides the method from urwid.FlowWidget"""
369
 
        return self.current_widget(focus).render(maxcolrow,
 
143
        return self.current_widget(focus).render((maxcol,),
370
144
                                                 focus=focus)
371
145
    
372
 
    def keypress(self, maxcolrow, key):
 
146
    def keypress(self, (maxcol,), key):
373
147
        """Handle keys.
374
148
        This overrides the method from urwid.FlowWidget"""
375
 
        if key == "+":
376
 
            self.proxy.Enable(dbus_interface = client_interface,
377
 
                              ignore_reply=True)
378
 
        elif key == "-":
379
 
            self.proxy.Disable(dbus_interface = client_interface,
380
 
                               ignore_reply=True)
381
 
        elif key == "a":
382
 
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
383
 
                               dbus_interface = client_interface,
384
 
                               ignore_reply=True)
385
 
        elif key == "d":
386
 
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
387
 
                                  dbus_interface = client_interface,
388
 
                               ignore_reply=True)
389
 
        elif key == "R" or key == "_" or key == "ctrl k":
 
149
        if key == u"e" or key == u"+":
 
150
            self.proxy.Enable()
 
151
        elif key == u"d" or key == u"-":
 
152
            self.proxy.Disable()
 
153
        elif key == u"r" or key == u"_":
390
154
            self.server_proxy_object.RemoveClient(self.proxy
391
 
                                                  .object_path,
392
 
                                                  ignore_reply=True)
393
 
        elif key == "s":
394
 
            self.proxy.StartChecker(dbus_interface = client_interface,
395
 
                                    ignore_reply=True)
396
 
        elif key == "S":
397
 
            self.proxy.StopChecker(dbus_interface = client_interface,
398
 
                                   ignore_reply=True)
399
 
        elif key == "C":
400
 
            self.proxy.CheckedOK(dbus_interface = client_interface,
401
 
                                 ignore_reply=True)
 
155
                                                  .object_path)
 
156
        elif key == u"s":
 
157
            self.proxy.StartChecker()
 
158
        elif key == u"S":
 
159
            self.proxy.StopChecker()
 
160
        elif key == u"C":
 
161
            self.proxy.CheckedOK()
402
162
        # xxx
403
 
#         elif key == "p" or key == "=":
 
163
#         elif key == u"p" or key == "=":
404
164
#             self.proxy.pause()
405
 
#         elif key == "u" or key == ":":
 
165
#         elif key == u"u" or key == ":":
406
166
#             self.proxy.unpause()
407
 
#         elif key == "RET":
 
167
#         elif key == u"RET":
408
168
#             self.open()
409
169
        else:
410
170
            return key
426
186
    "down" key presses, thus not allowing any containing widgets to
427
187
    use them as an excuse to shift focus away from this widget.
428
188
    """
429
 
    def keypress(self, maxcolrow, key):
430
 
        ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
431
 
        if ret in ("up", "down"):
 
189
    def keypress(self, (maxcol, maxrow), key):
 
190
        ret = super(ConstrainedListBox, self).keypress((maxcol, maxrow), key)
 
191
        if ret in (u"up", u"down"):
432
192
            return
433
193
        return ret
434
194
 
443
203
        self.screen = urwid.curses_display.Screen()
444
204
        
445
205
        self.screen.register_palette((
446
 
                ("normal",
447
 
                 "default", "default", None),
448
 
                ("bold",
449
 
                 "default", "default", "bold"),
450
 
                ("underline-blink",
451
 
                 "default", "default", "underline"),
452
 
                ("standout",
453
 
                 "default", "default", "standout"),
454
 
                ("bold-underline-blink",
455
 
                 "default", "default", ("bold", "underline")),
456
 
                ("bold-standout",
457
 
                 "default", "default", ("bold", "standout")),
458
 
                ("underline-blink-standout",
459
 
                 "default", "default", ("underline", "standout")),
460
 
                ("bold-underline-blink-standout",
461
 
                 "default", "default", ("bold", "underline",
462
 
                                          "standout")),
 
206
                (u"normal",
 
207
                 u"default", u"default", None),
 
208
                (u"bold",
 
209
                 u"default", u"default", u"bold"),
 
210
                (u"underline-blink",
 
211
                 u"default", u"default", u"underline"),
 
212
                (u"standout",
 
213
                 u"default", u"default", u"standout"),
 
214
                (u"bold-underline-blink",
 
215
                 u"default", u"default", (u"bold", u"underline")),
 
216
                (u"bold-standout",
 
217
                 u"default", u"default", (u"bold", u"standout")),
 
218
                (u"underline-blink-standout",
 
219
                 u"default", u"default", (u"underline", u"standout")),
 
220
                (u"bold-underline-blink-standout",
 
221
                 u"default", u"default", (u"bold", u"underline",
 
222
                                          u"standout")),
463
223
                ))
464
224
        
465
225
        if urwid.supports_unicode():
466
 
            self.divider = "─" # \u2500
467
 
            #self.divider = "━" # \u2501
 
226
            #self.divider = u"─" # \u2500
 
227
            self.divider = u"━" # \u2501
468
228
        else:
469
 
            #self.divider = "-" # \u002d
470
 
            self.divider = "_" # \u005f
 
229
            #self.divider = u"-" # \u002d
 
230
            self.divider = u"_" # \u005f
471
231
        
472
232
        self.screen.start()
473
233
        
487
247
        # This keeps track of whether self.uilist currently has
488
248
        # self.logbox in it or not
489
249
        self.log_visible = True
490
 
        self.log_wrap = "any"
 
250
        self.log_wrap = u"any"
491
251
        
492
252
        self.rebuild()
493
 
        self.log_message_raw(("bold",
494
 
                              "Mandos Monitor version " + version))
495
 
        self.log_message_raw(("bold",
496
 
                              "q: Quit  ?: Help"))
 
253
        self.log_message((u"bold",
 
254
                          u"Mandos Monitor version " + version))
 
255
        self.log_message((u"bold",
 
256
                          u"q: Quit  ?: Help"))
497
257
        
498
258
        self.busname = domain + '.Mandos'
499
259
        self.main_loop = gobject.MainLoop()
500
260
        self.bus = dbus.SystemBus()
501
261
        mandos_dbus_objc = self.bus.get_object(
502
 
            self.busname, "/", follow_name_owner_changes=True)
 
262
            self.busname, u"/", follow_name_owner_changes=True)
503
263
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
504
264
                                          dbus_interface
505
265
                                          = server_interface)
519
279
                            self.add_new_client,
520
280
                            dbus_interface=server_interface,
521
281
                            byte_arrays=True))
522
 
        (self.mandos_serv
523
 
         .connect_to_signal("ClientNotFound",
524
 
                            self.client_not_found,
525
 
                            dbus_interface=server_interface,
526
 
                            byte_arrays=True))
527
282
        for path, client in mandos_clients.iteritems():
528
283
            client_proxy_object = self.bus.get_object(self.busname,
529
284
                                                      path)
535
290
                                               update_hook
536
291
                                               =self.refresh,
537
292
                                               delete_hook
538
 
                                               =self.remove_client,
539
 
                                               logger
540
 
                                               =self.log_message),
 
293
                                               =self.remove_client),
541
294
                            path=path)
542
295
    
543
 
    def client_not_found(self, fingerprint, address):
544
 
        self.log_message(("Client with address %s and fingerprint %s"
545
 
                          " could not be found" % (address,
546
 
                                                    fingerprint)))
547
 
    
548
296
    def rebuild(self):
549
297
        """This rebuilds the User Interface.
550
298
        Call this when the widget layout needs to change"""
551
299
        self.uilist = []
552
300
        #self.uilist.append(urwid.ListBox(self.clients))
553
 
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
554
 
                                                          clients),
 
301
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
555
302
                                       #header=urwid.Divider(),
556
303
                                       header=None,
557
 
                                       footer=
558
 
                                       urwid.Divider(div_char=
559
 
                                                     self.divider)))
 
304
                                       footer=urwid.Divider(div_char=self.divider)))
560
305
        if self.log_visible:
561
306
            self.uilist.append(self.logbox)
562
307
            pass
563
308
        self.topwidget = urwid.Pile(self.uilist)
564
309
    
565
 
    def log_message(self, message):
566
 
        timestamp = datetime.datetime.now().isoformat()
567
 
        self.log_message_raw(timestamp + ": " + message)
568
 
    
569
 
    def log_message_raw(self, markup):
 
310
    def log_message(self, markup):
570
311
        """Add a log message to the log buffer."""
571
312
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
572
313
        if (self.max_log_length
573
314
            and len(self.log) > self.max_log_length):
574
315
            del self.log[0:len(self.log)-self.max_log_length-1]
575
 
        self.logbox.set_focus(len(self.logbox.body.contents),
576
 
                              coming_from="above")
577
 
        self.refresh()
578
316
    
579
317
    def toggle_log_display(self):
580
318
        """Toggle visibility of the log buffer."""
581
319
        self.log_visible = not self.log_visible
582
320
        self.rebuild()
583
 
        #self.log_message("Log visibility changed to: "
584
 
        #                 + unicode(self.log_visible))
 
321
        self.log_message(u"Log visibility changed to: "
 
322
                         + unicode(self.log_visible))
585
323
    
586
324
    def change_log_display(self):
587
325
        """Change type of log display.
588
326
        Currently, this toggles wrapping of text lines."""
589
 
        if self.log_wrap == "clip":
590
 
            self.log_wrap = "any"
 
327
        if self.log_wrap == u"clip":
 
328
            self.log_wrap = u"any"
591
329
        else:
592
 
            self.log_wrap = "clip"
 
330
            self.log_wrap = u"clip"
593
331
        for textwidget in self.log:
594
332
            textwidget.set_wrap_mode(self.log_wrap)
595
 
        #self.log_message("Wrap mode: " + self.log_wrap)
 
333
        self.log_message(u"Wrap mode: " + self.log_wrap)
596
334
    
597
335
    def find_and_remove_client(self, path, name):
598
 
        """Find a client by its object path and remove it.
 
336
        """Find an client from its object path and remove it.
599
337
        
600
338
        This is connected to the ClientRemoved signal from the
601
339
        Mandos server object."""
603
341
            client = self.clients_dict[path]
604
342
        except KeyError:
605
343
            # not found?
606
 
            self.log_message("Unknown client %r (%r) removed", name,
607
 
                             path)
608
344
            return
609
 
        client.delete()
 
345
        self.remove_client(client, path)
610
346
    
611
 
    def add_new_client(self, path):
 
347
    def add_new_client(self, path, properties):
612
348
        client_proxy_object = self.bus.get_object(self.busname, path)
613
349
        self.add_client(MandosClientWidget(server_proxy_object
614
350
                                           =self.mandos_serv,
615
351
                                           proxy_object
616
352
                                           =client_proxy_object,
 
353
                                           properties=properties,
617
354
                                           update_hook
618
355
                                           =self.refresh,
619
356
                                           delete_hook
620
 
                                           =self.remove_client,
621
 
                                           logger
622
 
                                           =self.log_message),
 
357
                                           =self.remove_client),
623
358
                        path=path)
624
359
    
625
360
    def add_client(self, client, path=None):
627
362
        if path is None:
628
363
            path = client.proxy.object_path
629
364
        self.clients_dict[path] = client
630
 
        self.clients.sort(None, lambda c: c.properties["Name"])
 
365
        self.clients.sort(None, lambda c: c.properties[u"name"])
631
366
        self.refresh()
632
367
    
633
368
    def remove_client(self, client, path=None):
664
399
    
665
400
    def process_input(self, source, condition):
666
401
        keys = self.screen.get_input()
667
 
        translations = { "ctrl n": "down",      # Emacs
668
 
                         "ctrl p": "up",        # Emacs
669
 
                         "ctrl v": "page down", # Emacs
670
 
                         "meta v": "page up",   # Emacs
671
 
                         " ": "page down",      # less
672
 
                         "f": "page down",      # less
673
 
                         "b": "page up",        # less
674
 
                         "j": "down",           # vi
675
 
                         "k": "up",             # vi
 
402
        translations = { u"ctrl n": u"down",      # Emacs
 
403
                         u"ctrl p": u"up",        # Emacs
 
404
                         u"ctrl v": u"page down", # Emacs
 
405
                         u"meta v": u"page up",   # Emacs
 
406
                         u" ": u"page down",      # less
 
407
                         u"f": u"page down",      # less
 
408
                         u"b": u"page up",        # less
 
409
                         u"j": u"down",           # vi
 
410
                         u"k": u"up",             # vi
676
411
                         }
677
412
        for key in keys:
678
413
            try:
680
415
            except KeyError:    # :-)
681
416
                pass
682
417
            
683
 
            if key == "q" or key == "Q":
 
418
            if key == u"q" or key == u"Q":
684
419
                self.stop()
685
420
                break
686
 
            elif key == "window resize":
 
421
            elif key == u"window resize":
687
422
                self.size = self.screen.get_cols_rows()
688
423
                self.refresh()
689
 
            elif key == "\f":  # Ctrl-L
 
424
            elif key == u"\f":  # Ctrl-L
690
425
                self.refresh()
691
 
            elif key == "l" or key == "D":
 
426
            elif key == u"l" or key == u"D":
692
427
                self.toggle_log_display()
693
428
                self.refresh()
694
 
            elif key == "w" or key == "i":
 
429
            elif key == u"w" or key == u"i":
695
430
                self.change_log_display()
696
431
                self.refresh()
697
 
            elif key == "?" or key == "f1" or key == "esc":
 
432
            elif key == u"?" or key == u"f1":
698
433
                if not self.log_visible:
699
434
                    self.log_visible = True
700
435
                    self.rebuild()
701
 
                self.log_message_raw(("bold",
702
 
                                      "  ".
703
 
                                      join(("q: Quit",
704
 
                                            "?: Help",
705
 
                                            "l: Log window toggle",
706
 
                                            "TAB: Switch window",
707
 
                                            "w: Wrap (log)"))))
708
 
                self.log_message_raw(("bold",
709
 
                                      "  "
710
 
                                      .join(("Clients:",
711
 
                                             "+: Enable",
712
 
                                             "-: Disable",
713
 
                                             "R: Remove",
714
 
                                             "s: Start new checker",
715
 
                                             "S: Stop checker",
716
 
                                             "C: Checker OK",
717
 
                                             "a: Approve",
718
 
                                             "d: Deny"))))
 
436
                self.log_message((u"bold",
 
437
                                  u"  ".join((u"q: Quit",
 
438
                                              u"?: Help",
 
439
                                              u"l: Log window toggle",
 
440
                                              u"TAB: Switch window",
 
441
                                              u"w: Wrap (log)"))))
 
442
                self.log_message((u"bold",
 
443
                                  u"  ".join((u"Clients:",
 
444
                                              u"e: Enable",
 
445
                                              u"d: Disable",
 
446
                                              u"r: Remove",
 
447
                                              u"s: Start new checker",
 
448
                                              u"S: Stop checker",
 
449
                                              u"C: Checker OK"))))
719
450
                self.refresh()
720
 
            elif key == "tab":
 
451
            elif key == u"tab":
721
452
                if self.topwidget.get_focus() is self.logbox:
722
453
                    self.topwidget.set_focus(0)
723
454
                else:
724
455
                    self.topwidget.set_focus(self.logbox)
725
456
                self.refresh()
726
 
            #elif (key == "end" or key == "meta >" or key == "G"
727
 
            #      or key == ">"):
 
457
            #elif (key == u"end" or key == u"meta >" or key == u"G"
 
458
            #      or key == u">"):
728
459
            #    pass            # xxx end-of-buffer
729
 
            #elif (key == "home" or key == "meta <" or key == "g"
730
 
            #      or key == "<"):
 
460
            #elif (key == u"home" or key == u"meta <" or key == u"g"
 
461
            #      or key == u"<"):
731
462
            #    pass            # xxx beginning-of-buffer
732
 
            #elif key == "ctrl e" or key == "$":
 
463
            #elif key == u"ctrl e" or key == u"$":
733
464
            #    pass            # xxx move-end-of-line
734
 
            #elif key == "ctrl a" or key == "^":
 
465
            #elif key == u"ctrl a" or key == u"^":
735
466
            #    pass            # xxx move-beginning-of-line
736
 
            #elif key == "ctrl b" or key == "meta (" or key == "h":
 
467
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
737
468
            #    pass            # xxx left
738
 
            #elif key == "ctrl f" or key == "meta )" or key == "l":
 
469
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
739
470
            #    pass            # xxx right
740
 
            #elif key == "a":
 
471
            #elif key == u"a":
741
472
            #    pass            # scroll up log
742
 
            #elif key == "z":
 
473
            #elif key == u"z":
743
474
            #    pass            # scroll down log
744
475
            elif self.topwidget.selectable():
745
476
                self.topwidget.keypress(self.size, key)
749
480
ui = UserInterface()
750
481
try:
751
482
    ui.run()
752
 
except KeyboardInterrupt:
753
 
    ui.screen.stop()
754
 
except Exception, e:
755
 
    ui.log_message(unicode(e))
 
483
except:
756
484
    ui.screen.stop()
757
485
    raise