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* mandos (AvahiService.entry_group_state_changed): Better debug log
                                                   message.
  (AvahiService.server_state_changed): Added debug log message.

* mandos-monitor (isoformat_to_datetime): New function.
  (MandosClientWidget): Show a countdown to disabling if last checker
                        failed.

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Lines of Context:
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 © 2009-2012 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
 
# 
25
 
 
26
 
from __future__ import (division, absolute_import, print_function,
27
 
                        unicode_literals)
28
 
 
29
 
from future_builtins import *
 
3
 
 
4
from __future__ import division, absolute_import, with_statement
30
5
 
31
6
import sys
32
7
import os
46
21
 
47
22
import locale
48
23
 
49
 
locale.setlocale(locale.LC_ALL, '')
50
 
 
51
 
import logging
52
 
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
 
24
locale.setlocale(locale.LC_ALL, u'')
53
25
 
54
26
# Some useful constants
55
 
domain = 'se.recompile'
 
27
domain = 'se.bsnet.fukt'
56
28
server_interface = domain + '.Mandos'
57
29
client_interface = domain + '.Mandos.Client'
58
 
version = "1.5.4"
 
30
version = "1.0.14"
59
31
 
60
32
# Always run in monochrome mode
61
33
urwid.curses_display.curses.has_colors = lambda : False
69
41
    "Parse an ISO 8601 date string to a datetime.datetime()"
70
42
    if not iso:
71
43
        return None
72
 
    d, t = iso.split("T", 1)
73
 
    year, month, day = d.split("-", 2)
74
 
    hour, minute, second = t.split(":", 2)
 
44
    d, t = iso.split(u"T", 1)
 
45
    year, month, day = d.split(u"-", 2)
 
46
    hour, minute, second = t.split(u":", 2)
75
47
    second, fraction = divmod(float(second), 1)
76
48
    return datetime.datetime(int(year),
77
49
                             int(month),
86
58
    properties and calls a hook function when any of them are
87
59
    changed.
88
60
    """
89
 
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
61
    def __init__(self, proxy_object=None, *args, **kwargs):
90
62
        self.proxy = proxy_object # Mandos Client proxy object
91
 
        self.properties = dict() if properties is None else properties
92
 
        self.property_changed_match = (
93
 
            self.proxy.connect_to_signal("PropertyChanged",
94
 
                                         self._property_changed,
95
 
                                         client_interface,
96
 
                                         byte_arrays=True))
97
 
        
98
 
        if properties is None:
99
 
            self.properties.update(
100
 
                self.proxy.GetAll(client_interface,
101
 
                                  dbus_interface
102
 
                                  = dbus.PROPERTIES_IFACE))
103
 
        
104
 
        super(MandosClientPropertyCache, self).__init__(**kwargs)
105
 
    
106
 
    def _property_changed(self, property, value):
107
 
        """Helper which takes positional arguments"""
108
 
        return self.property_changed(property=property, value=value)
 
63
        
 
64
        self.properties = dict()
 
65
        self.proxy.connect_to_signal(u"PropertyChanged",
 
66
                                     self.property_changed,
 
67
                                     client_interface,
 
68
                                     byte_arrays=True)
 
69
        
 
70
        self.properties.update(
 
71
            self.proxy.GetAll(client_interface,
 
72
                              dbus_interface = dbus.PROPERTIES_IFACE))
 
73
        super(MandosClientPropertyCache, self).__init__(
 
74
            proxy_object=proxy_object, *args, **kwargs)
109
75
    
110
76
    def property_changed(self, property=None, value=None):
111
77
        """This is called whenever we get a PropertyChanged signal
113
79
        """
114
80
        # Update properties dict with new value
115
81
        self.properties[property] = value
116
 
    
117
 
    def delete(self):
118
 
        self.property_changed_match.remove()
119
82
 
120
83
 
121
84
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
123
86
    """
124
87
    
125
88
    def __init__(self, server_proxy_object=None, update_hook=None,
126
 
                 delete_hook=None, logger=None, **kwargs):
 
89
                 delete_hook=None, logger=None, *args, **kwargs):
127
90
        # Called on update
128
91
        self.update_hook = update_hook
129
92
        # Called on delete
134
97
        self.logger = logger
135
98
        
136
99
        self._update_timer_callback_tag = None
 
100
        self.last_checker_failed = False
137
101
        
138
102
        # The widget shown normally
139
 
        self._text_widget = urwid.Text("")
 
103
        self._text_widget = urwid.Text(u"")
140
104
        # The widget shown when we have focus
141
 
        self._focus_text_widget = urwid.Text("")
142
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
105
        self._focus_text_widget = urwid.Text(u"")
 
106
        super(MandosClientWidget, self).__init__(
 
107
            update_hook=update_hook, delete_hook=delete_hook,
 
108
            *args, **kwargs)
143
109
        self.update()
144
110
        self.opened = False
145
 
        
146
 
        self.match_objects = (
147
 
            self.proxy.connect_to_signal("CheckerCompleted",
148
 
                                         self.checker_completed,
149
 
                                         client_interface,
150
 
                                         byte_arrays=True),
151
 
            self.proxy.connect_to_signal("CheckerStarted",
152
 
                                         self.checker_started,
153
 
                                         client_interface,
154
 
                                         byte_arrays=True),
155
 
            self.proxy.connect_to_signal("GotSecret",
156
 
                                         self.got_secret,
157
 
                                         client_interface,
158
 
                                         byte_arrays=True),
159
 
            self.proxy.connect_to_signal("NeedApproval",
160
 
                                         self.need_approval,
161
 
                                         client_interface,
162
 
                                         byte_arrays=True),
163
 
            self.proxy.connect_to_signal("Rejected",
164
 
                                         self.rejected,
165
 
                                         client_interface,
166
 
                                         byte_arrays=True))
167
 
        #self.logger('Created client {0}'
168
 
        #            .format(self.properties["Name"]))
169
 
    
170
 
    def using_timer(self, flag):
171
 
        """Call this method with True or False when timer should be
172
 
        activated or deactivated.
173
 
        """
174
 
        if flag and self._update_timer_callback_tag is None:
175
 
            # Will update the shown timer value every second
 
111
        self.proxy.connect_to_signal(u"CheckerCompleted",
 
112
                                     self.checker_completed,
 
113
                                     client_interface,
 
114
                                     byte_arrays=True)
 
115
        self.proxy.connect_to_signal(u"CheckerStarted",
 
116
                                     self.checker_started,
 
117
                                     client_interface,
 
118
                                     byte_arrays=True)
 
119
        self.proxy.connect_to_signal(u"GotSecret",
 
120
                                     self.got_secret,
 
121
                                     client_interface,
 
122
                                     byte_arrays=True)
 
123
        self.proxy.connect_to_signal(u"Rejected",
 
124
                                     self.rejected,
 
125
                                     client_interface,
 
126
                                     byte_arrays=True)
 
127
        last_checked_ok = isoformat_to_datetime(self.properties
 
128
                                                ["last_checked_ok"])
 
129
        if last_checked_ok is None:
 
130
            self.last_checker_failed = True
 
131
        else:
 
132
            self.last_checker_failed = ((datetime.datetime.utcnow()
 
133
                                         - last_checked_ok)
 
134
                                        > datetime.timedelta
 
135
                                        (milliseconds=
 
136
                                         self.properties["interval"]))
 
137
        if self.last_checker_failed:
176
138
            self._update_timer_callback_tag = (gobject.timeout_add
177
139
                                               (1000,
178
140
                                                self.update_timer))
179
 
        elif not (flag or self._update_timer_callback_tag is None):
180
 
            gobject.source_remove(self._update_timer_callback_tag)
181
 
            self._update_timer_callback_tag = None
182
141
    
183
142
    def checker_completed(self, exitstatus, condition, command):
184
143
        if exitstatus == 0:
 
144
            if self.last_checker_failed:
 
145
                self.last_checker_failed = False
 
146
                gobject.source_remove(self._update_timer_callback_tag)
 
147
                self._update_timer_callback_tag = None
 
148
            self.logger(u'Checker for client %s (command "%s")'
 
149
                        u' was successful'
 
150
                        % (self.properties[u"name"], command))
185
151
            self.update()
186
152
            return
187
153
        # Checker failed
 
154
        if not self.last_checker_failed:
 
155
            self.last_checker_failed = True
 
156
            self._update_timer_callback_tag = (gobject.timeout_add
 
157
                                               (1000,
 
158
                                                self.update_timer))
188
159
        if os.WIFEXITED(condition):
189
 
            self.logger('Checker for client {0} (command "{1}")'
190
 
                        ' failed with exit code {2}'
191
 
                        .format(self.properties["Name"], command,
192
 
                                os.WEXITSTATUS(condition)))
 
160
            self.logger(u'Checker for client %s (command "%s")'
 
161
                        u' failed with exit code %s'
 
162
                        % (self.properties[u"name"], command,
 
163
                           os.WEXITSTATUS(condition)))
193
164
        elif os.WIFSIGNALED(condition):
194
 
            self.logger('Checker for client {0} (command "{1}") was'
195
 
                        ' killed by signal {2}'
196
 
                        .format(self.properties["Name"], command,
197
 
                                os.WTERMSIG(condition)))
 
165
            self.logger(u'Checker for client %s (command "%s")'
 
166
                        u' was killed by signal %s'
 
167
                        % (self.properties[u"name"], command,
 
168
                           os.WTERMSIG(condition)))
198
169
        elif os.WCOREDUMP(condition):
199
 
            self.logger('Checker for client {0} (command "{1}")'
200
 
                        ' dumped core'
201
 
                        .format(self.properties["Name"], command))
 
170
            self.logger(u'Checker for client %s (command "%s")'
 
171
                        u' dumped core'
 
172
                        % (self.properties[u"name"], command))
202
173
        else:
203
 
            self.logger('Checker for client {0} completed'
204
 
                        ' mysteriously'
205
 
                        .format(self.properties["Name"]))
 
174
            self.logger(u'Checker for client %s completed mysteriously')
206
175
        self.update()
207
176
    
208
177
    def checker_started(self, command):
209
 
        """Server signals that a checker started. This could be useful
210
 
           to log in the future. """
211
 
        #self.logger('Client {0} started checker "{1}"'
212
 
        #            .format(self.properties["Name"],
213
 
        #                    unicode(command)))
214
 
        pass
 
178
        self.logger(u'Client %s started checker "%s"'
 
179
                    % (self.properties[u"name"], unicode(command)))
215
180
    
216
181
    def got_secret(self):
217
 
        self.logger('Client {0} received its secret'
218
 
                    .format(self.properties["Name"]))
219
 
    
220
 
    def need_approval(self, timeout, default):
221
 
        if not default:
222
 
            message = 'Client {0} needs approval within {1} seconds'
223
 
        else:
224
 
            message = 'Client {0} will get its secret in {1} seconds'
225
 
        self.logger(message.format(self.properties["Name"],
226
 
                                   timeout/1000))
227
 
    
228
 
    def rejected(self, reason):
229
 
        self.logger('Client {0} was rejected; reason: {1}'
230
 
                    .format(self.properties["Name"], reason))
 
182
        self.logger(u'Client %s received its secret'
 
183
                    % self.properties[u"name"])
 
184
    
 
185
    def rejected(self):
 
186
        self.logger(u'Client %s was rejected'
 
187
                    % self.properties[u"name"])
231
188
    
232
189
    def selectable(self):
233
190
        """Make this a "selectable" widget.
234
191
        This overrides the method from urwid.FlowWidget."""
235
192
        return True
236
193
    
237
 
    def rows(self, maxcolrow, focus=False):
 
194
    def rows(self, (maxcol,), focus=False):
238
195
        """How many rows this widget will occupy might depend on
239
196
        whether we have focus or not.
240
197
        This overrides the method from urwid.FlowWidget"""
241
 
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
198
        return self.current_widget(focus).rows((maxcol,), focus=focus)
242
199
    
243
200
    def current_widget(self, focus=False):
244
201
        if focus or self.opened:
248
205
    def update(self):
249
206
        "Called when what is visible on the screen should be updated."
250
207
        # How to add standout mode to a style
251
 
        with_standout = { "normal": "standout",
252
 
                          "bold": "bold-standout",
253
 
                          "underline-blink":
254
 
                              "underline-blink-standout",
255
 
                          "bold-underline-blink":
256
 
                              "bold-underline-blink-standout",
 
208
        with_standout = { u"normal": u"standout",
 
209
                          u"bold": u"bold-standout",
 
210
                          u"underline-blink":
 
211
                              u"underline-blink-standout",
 
212
                          u"bold-underline-blink":
 
213
                              u"bold-underline-blink-standout",
257
214
                          }
258
215
        
259
216
        # Rebuild focus and non-focus widgets using current properties
260
 
        
261
 
        # Base part of a client. Name!
262
 
        base = '{name}: '.format(name=self.properties["Name"])
263
 
        if not self.properties["Enabled"]:
264
 
            message = "DISABLED"
265
 
            self.using_timer(False)
266
 
        elif self.properties["ApprovalPending"]:
267
 
            timeout = datetime.timedelta(milliseconds
268
 
                                         = self.properties
269
 
                                         ["ApprovalDelay"])
270
 
            last_approval_request = isoformat_to_datetime(
271
 
                self.properties["LastApprovalRequest"])
272
 
            if last_approval_request is not None:
273
 
                timer = max(timeout - (datetime.datetime.utcnow()
274
 
                                       - last_approval_request),
275
 
                            datetime.timedelta())
276
 
            else:
277
 
                timer = datetime.timedelta()
278
 
            if self.properties["ApprovedByDefault"]:
279
 
                message = "Approval in {0}. (d)eny?"
280
 
            else:
281
 
                message = "Denial in {0}. (a)pprove?"
282
 
            message = message.format(unicode(timer).rsplit(".", 1)[0])
283
 
            self.using_timer(True)
284
 
        elif self.properties["LastCheckerStatus"] != 0:
285
 
            # When checker has failed, show timer until client expires
286
 
            expires = self.properties["Expires"]
287
 
            if expires == "":
288
 
                timer = datetime.timedelta(0)
289
 
            else:
290
 
                expires = (datetime.datetime.strptime
291
 
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
292
 
                timer = max(expires - datetime.datetime.utcnow(),
293
 
                            datetime.timedelta())
294
 
            message = ('A checker has failed! Time until client'
295
 
                       ' gets disabled: {0}'
296
 
                       .format(unicode(timer).rsplit(".", 1)[0]))
297
 
            self.using_timer(True)
298
 
        else:
299
 
            message = "enabled"
300
 
            self.using_timer(False)
301
 
        self._text = "{0}{1}".format(base, message)
302
 
        
 
217
        self._text = (u'%(name)s: %(enabled)s%(timer)s'
 
218
                      % { u"name": self.properties[u"name"],
 
219
                          u"enabled":
 
220
                              (u"enabled"
 
221
                               if self.properties[u"enabled"]
 
222
                               else u"DISABLED"),
 
223
                          u"timer": (unicode(datetime.timedelta
 
224
                                             (milliseconds =
 
225
                                              self.properties
 
226
                                              [u"timeout"])
 
227
                                             - (datetime.datetime
 
228
                                                .utcnow()
 
229
                                                - isoformat_to_datetime
 
230
                                                (max((self.properties
 
231
                                                 ["last_checked_ok"]
 
232
                                                 or
 
233
                                                 self.properties
 
234
                                                 ["created"]),
 
235
                                                    self.properties[u"last_enabled"]))))
 
236
                                     if (self.last_checker_failed
 
237
                                         and self.properties
 
238
                                         [u"enabled"])
 
239
                                     else u"")})
303
240
        if not urwid.supports_unicode():
304
241
            self._text = self._text.encode("ascii", "replace")
305
 
        textlist = [("normal", self._text)]
 
242
        textlist = [(u"normal", self._text)]
306
243
        self._text_widget.set_text(textlist)
307
244
        self._focus_text_widget.set_text([(with_standout[text[0]],
308
245
                                           text[1])
317
254
            self.update_hook()
318
255
    
319
256
    def update_timer(self):
320
 
        """called by gobject. Will indefinitely loop until
321
 
        gobject.source_remove() on tag is called"""
 
257
        "called by gobject"
322
258
        self.update()
323
259
        return True             # Keep calling this
324
260
    
325
 
    def delete(self, **kwargs):
 
261
    def delete(self):
326
262
        if self._update_timer_callback_tag is not None:
327
263
            gobject.source_remove(self._update_timer_callback_tag)
328
264
            self._update_timer_callback_tag = None
329
 
        for match in self.match_objects:
330
 
            match.remove()
331
 
        self.match_objects = ()
332
265
        if self.delete_hook is not None:
333
266
            self.delete_hook(self)
334
 
        return super(MandosClientWidget, self).delete(**kwargs)
335
267
    
336
 
    def render(self, maxcolrow, focus=False):
 
268
    def render(self, (maxcol,), focus=False):
337
269
        """Render differently if we have focus.
338
270
        This overrides the method from urwid.FlowWidget"""
339
 
        return self.current_widget(focus).render(maxcolrow,
 
271
        return self.current_widget(focus).render((maxcol,),
340
272
                                                 focus=focus)
341
273
    
342
 
    def keypress(self, maxcolrow, key):
 
274
    def keypress(self, (maxcol,), key):
343
275
        """Handle keys.
344
276
        This overrides the method from urwid.FlowWidget"""
345
 
        if key == "+":
346
 
            self.proxy.Enable(dbus_interface = client_interface,
347
 
                              ignore_reply=True)
348
 
        elif key == "-":
349
 
            self.proxy.Disable(dbus_interface = client_interface,
350
 
                               ignore_reply=True)
351
 
        elif key == "a":
352
 
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
353
 
                               dbus_interface = client_interface,
354
 
                               ignore_reply=True)
355
 
        elif key == "d":
356
 
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
357
 
                                  dbus_interface = client_interface,
358
 
                               ignore_reply=True)
359
 
        elif key == "R" or key == "_" or key == "ctrl k":
 
277
        if key == u"e" or key == u"+":
 
278
            self.proxy.Enable()
 
279
        elif key == u"d" or key == u"-":
 
280
            self.proxy.Disable()
 
281
        elif key == u"r" or key == u"_" or key == u"ctrl k":
360
282
            self.server_proxy_object.RemoveClient(self.proxy
361
 
                                                  .object_path,
362
 
                                                  ignore_reply=True)
363
 
        elif key == "s":
364
 
            self.proxy.StartChecker(dbus_interface = client_interface,
365
 
                                    ignore_reply=True)
366
 
        elif key == "S":
367
 
            self.proxy.StopChecker(dbus_interface = client_interface,
368
 
                                   ignore_reply=True)
369
 
        elif key == "C":
370
 
            self.proxy.CheckedOK(dbus_interface = client_interface,
371
 
                                 ignore_reply=True)
 
283
                                                  .object_path)
 
284
        elif key == u"s":
 
285
            self.proxy.StartChecker()
 
286
        elif key == u"S":
 
287
            self.proxy.StopChecker()
 
288
        elif key == u"C":
 
289
            self.proxy.CheckedOK()
372
290
        # xxx
373
 
#         elif key == "p" or key == "=":
 
291
#         elif key == u"p" or key == "=":
374
292
#             self.proxy.pause()
375
 
#         elif key == "u" or key == ":":
 
293
#         elif key == u"u" or key == ":":
376
294
#             self.proxy.unpause()
377
 
#         elif key == "RET":
 
295
#         elif key == u"RET":
378
296
#             self.open()
379
297
        else:
380
298
            return key
381
299
    
382
 
    def property_changed(self, property=None, **kwargs):
 
300
    def property_changed(self, property=None, value=None,
 
301
                         *args, **kwargs):
383
302
        """Call self.update() if old value is not new value.
384
303
        This overrides the method from MandosClientPropertyCache"""
385
304
        property_name = unicode(property)
386
305
        old_value = self.properties.get(property_name)
387
306
        super(MandosClientWidget, self).property_changed(
388
 
            property=property, **kwargs)
 
307
            property=property, value=value, *args, **kwargs)
389
308
        if self.properties.get(property_name) != old_value:
390
309
            self.update()
391
310
 
395
314
    "down" key presses, thus not allowing any containing widgets to
396
315
    use them as an excuse to shift focus away from this widget.
397
316
    """
398
 
    def keypress(self, *args, **kwargs):
399
 
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
400
 
        if ret in ("up", "down"):
 
317
    def keypress(self, (maxcol, maxrow), key):
 
318
        ret = super(ConstrainedListBox, self).keypress((maxcol, maxrow), key)
 
319
        if ret in (u"up", u"down"):
401
320
            return
402
321
        return ret
403
322
 
412
331
        self.screen = urwid.curses_display.Screen()
413
332
        
414
333
        self.screen.register_palette((
415
 
                ("normal",
416
 
                 "default", "default", None),
417
 
                ("bold",
418
 
                 "default", "default", "bold"),
419
 
                ("underline-blink",
420
 
                 "default", "default", "underline"),
421
 
                ("standout",
422
 
                 "default", "default", "standout"),
423
 
                ("bold-underline-blink",
424
 
                 "default", "default", ("bold", "underline")),
425
 
                ("bold-standout",
426
 
                 "default", "default", ("bold", "standout")),
427
 
                ("underline-blink-standout",
428
 
                 "default", "default", ("underline", "standout")),
429
 
                ("bold-underline-blink-standout",
430
 
                 "default", "default", ("bold", "underline",
431
 
                                          "standout")),
 
334
                (u"normal",
 
335
                 u"default", u"default", None),
 
336
                (u"bold",
 
337
                 u"default", u"default", u"bold"),
 
338
                (u"underline-blink",
 
339
                 u"default", u"default", u"underline"),
 
340
                (u"standout",
 
341
                 u"default", u"default", u"standout"),
 
342
                (u"bold-underline-blink",
 
343
                 u"default", u"default", (u"bold", u"underline")),
 
344
                (u"bold-standout",
 
345
                 u"default", u"default", (u"bold", u"standout")),
 
346
                (u"underline-blink-standout",
 
347
                 u"default", u"default", (u"underline", u"standout")),
 
348
                (u"bold-underline-blink-standout",
 
349
                 u"default", u"default", (u"bold", u"underline",
 
350
                                          u"standout")),
432
351
                ))
433
352
        
434
353
        if urwid.supports_unicode():
435
 
            self.divider = "─" # \u2500
436
 
            #self.divider = "━" # \u2501
 
354
            self.divider = u"─" # \u2500
 
355
            #self.divider = u"━" # \u2501
437
356
        else:
438
 
            #self.divider = "-" # \u002d
439
 
            self.divider = "_" # \u005f
 
357
            #self.divider = u"-" # \u002d
 
358
            self.divider = u"_" # \u005f
440
359
        
441
360
        self.screen.start()
442
361
        
456
375
        # This keeps track of whether self.uilist currently has
457
376
        # self.logbox in it or not
458
377
        self.log_visible = True
459
 
        self.log_wrap = "any"
 
378
        self.log_wrap = u"any"
460
379
        
461
380
        self.rebuild()
462
 
        self.log_message_raw(("bold",
463
 
                              "Mandos Monitor version " + version))
464
 
        self.log_message_raw(("bold",
465
 
                              "q: Quit  ?: Help"))
 
381
        self.log_message_raw((u"bold",
 
382
                              u"Mandos Monitor version " + version))
 
383
        self.log_message_raw((u"bold",
 
384
                              u"q: Quit  ?: Help"))
466
385
        
467
386
        self.busname = domain + '.Mandos'
468
387
        self.main_loop = gobject.MainLoop()
 
388
        self.bus = dbus.SystemBus()
 
389
        mandos_dbus_objc = self.bus.get_object(
 
390
            self.busname, u"/", follow_name_owner_changes=True)
 
391
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
392
                                          dbus_interface
 
393
                                          = server_interface)
 
394
        try:
 
395
            mandos_clients = (self.mandos_serv
 
396
                              .GetAllClientsWithProperties())
 
397
        except dbus.exceptions.DBusException:
 
398
            mandos_clients = dbus.Dictionary()
 
399
        
 
400
        (self.mandos_serv
 
401
         .connect_to_signal(u"ClientRemoved",
 
402
                            self.find_and_remove_client,
 
403
                            dbus_interface=server_interface,
 
404
                            byte_arrays=True))
 
405
        (self.mandos_serv
 
406
         .connect_to_signal(u"ClientAdded",
 
407
                            self.add_new_client,
 
408
                            dbus_interface=server_interface,
 
409
                            byte_arrays=True))
 
410
        (self.mandos_serv
 
411
         .connect_to_signal(u"ClientNotFound",
 
412
                            self.client_not_found,
 
413
                            dbus_interface=server_interface,
 
414
                            byte_arrays=True))
 
415
        for path, client in mandos_clients.iteritems():
 
416
            client_proxy_object = self.bus.get_object(self.busname,
 
417
                                                      path)
 
418
            self.add_client(MandosClientWidget(server_proxy_object
 
419
                                               =self.mandos_serv,
 
420
                                               proxy_object
 
421
                                               =client_proxy_object,
 
422
                                               properties=client,
 
423
                                               update_hook
 
424
                                               =self.refresh,
 
425
                                               delete_hook
 
426
                                               =self.remove_client,
 
427
                                               logger
 
428
                                               =self.log_message),
 
429
                            path=path)
469
430
    
470
431
    def client_not_found(self, fingerprint, address):
471
 
        self.log_message("Client with address {0} and fingerprint"
472
 
                         " {1} could not be found"
473
 
                         .format(address, fingerprint))
 
432
        self.log_message((u"Client with address %s and fingerprint %s"
 
433
                          u" could not be found" % (address,
 
434
                                                    fingerprint)))
474
435
    
475
436
    def rebuild(self):
476
437
        """This rebuilds the User Interface.
477
438
        Call this when the widget layout needs to change"""
478
439
        self.uilist = []
479
440
        #self.uilist.append(urwid.ListBox(self.clients))
480
 
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
481
 
                                                          clients),
 
441
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
482
442
                                       #header=urwid.Divider(),
483
443
                                       header=None,
484
 
                                       footer=
485
 
                                       urwid.Divider(div_char=
486
 
                                                     self.divider)))
 
444
                                       footer=urwid.Divider(div_char=self.divider)))
487
445
        if self.log_visible:
488
446
            self.uilist.append(self.logbox)
 
447
            pass
489
448
        self.topwidget = urwid.Pile(self.uilist)
490
449
    
491
450
    def log_message(self, message):
492
451
        timestamp = datetime.datetime.now().isoformat()
493
 
        self.log_message_raw(timestamp + ": " + message)
 
452
        self.log_message_raw(timestamp + u": " + message)
494
453
    
495
454
    def log_message_raw(self, markup):
496
455
        """Add a log message to the log buffer."""
499
458
            and len(self.log) > self.max_log_length):
500
459
            del self.log[0:len(self.log)-self.max_log_length-1]
501
460
        self.logbox.set_focus(len(self.logbox.body.contents),
502
 
                              coming_from="above")
 
461
                              coming_from=u"above")
503
462
        self.refresh()
504
463
    
505
464
    def toggle_log_display(self):
506
465
        """Toggle visibility of the log buffer."""
507
466
        self.log_visible = not self.log_visible
508
467
        self.rebuild()
509
 
        #self.log_message("Log visibility changed to: "
510
 
        #                 + unicode(self.log_visible))
 
468
        self.log_message(u"Log visibility changed to: "
 
469
                         + unicode(self.log_visible))
511
470
    
512
471
    def change_log_display(self):
513
472
        """Change type of log display.
514
473
        Currently, this toggles wrapping of text lines."""
515
 
        if self.log_wrap == "clip":
516
 
            self.log_wrap = "any"
 
474
        if self.log_wrap == u"clip":
 
475
            self.log_wrap = u"any"
517
476
        else:
518
 
            self.log_wrap = "clip"
 
477
            self.log_wrap = u"clip"
519
478
        for textwidget in self.log:
520
479
            textwidget.set_wrap_mode(self.log_wrap)
521
 
        #self.log_message("Wrap mode: " + self.log_wrap)
 
480
        self.log_message(u"Wrap mode: " + self.log_wrap)
522
481
    
523
482
    def find_and_remove_client(self, path, name):
524
 
        """Find a client by its object path and remove it.
 
483
        """Find an client from its object path and remove it.
525
484
        
526
485
        This is connected to the ClientRemoved signal from the
527
486
        Mandos server object."""
529
488
            client = self.clients_dict[path]
530
489
        except KeyError:
531
490
            # not found?
532
 
            self.log_message("Unknown client {0!r} ({1!r}) removed"
533
 
                             .format(name, path))
534
491
            return
535
 
        client.delete()
 
492
        self.remove_client(client, path)
536
493
    
537
494
    def add_new_client(self, path):
538
495
        client_proxy_object = self.bus.get_object(self.busname, path)
553
510
        if path is None:
554
511
            path = client.proxy.object_path
555
512
        self.clients_dict[path] = client
556
 
        self.clients.sort(None, lambda c: c.properties["Name"])
 
513
        self.clients.sort(None, lambda c: c.properties[u"name"])
557
514
        self.refresh()
558
515
    
559
516
    def remove_client(self, client, path=None):
575
532
    
576
533
    def run(self):
577
534
        """Start the main loop and exit when it's done."""
578
 
        self.bus = dbus.SystemBus()
579
 
        mandos_dbus_objc = self.bus.get_object(
580
 
            self.busname, "/", follow_name_owner_changes=True)
581
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
582
 
                                          dbus_interface
583
 
                                          = server_interface)
584
 
        try:
585
 
            mandos_clients = (self.mandos_serv
586
 
                              .GetAllClientsWithProperties())
587
 
        except dbus.exceptions.DBusException:
588
 
            mandos_clients = dbus.Dictionary()
589
 
        
590
 
        (self.mandos_serv
591
 
         .connect_to_signal("ClientRemoved",
592
 
                            self.find_and_remove_client,
593
 
                            dbus_interface=server_interface,
594
 
                            byte_arrays=True))
595
 
        (self.mandos_serv
596
 
         .connect_to_signal("ClientAdded",
597
 
                            self.add_new_client,
598
 
                            dbus_interface=server_interface,
599
 
                            byte_arrays=True))
600
 
        (self.mandos_serv
601
 
         .connect_to_signal("ClientNotFound",
602
 
                            self.client_not_found,
603
 
                            dbus_interface=server_interface,
604
 
                            byte_arrays=True))
605
 
        for path, client in mandos_clients.iteritems():
606
 
            client_proxy_object = self.bus.get_object(self.busname,
607
 
                                                      path)
608
 
            self.add_client(MandosClientWidget(server_proxy_object
609
 
                                               =self.mandos_serv,
610
 
                                               proxy_object
611
 
                                               =client_proxy_object,
612
 
                                               properties=client,
613
 
                                               update_hook
614
 
                                               =self.refresh,
615
 
                                               delete_hook
616
 
                                               =self.remove_client,
617
 
                                               logger
618
 
                                               =self.log_message),
619
 
                            path=path)
620
 
        
621
535
        self.refresh()
622
536
        self._input_callback_tag = (gobject.io_add_watch
623
537
                                    (sys.stdin.fileno(),
633
547
    
634
548
    def process_input(self, source, condition):
635
549
        keys = self.screen.get_input()
636
 
        translations = { "ctrl n": "down",      # Emacs
637
 
                         "ctrl p": "up",        # Emacs
638
 
                         "ctrl v": "page down", # Emacs
639
 
                         "meta v": "page up",   # Emacs
640
 
                         " ": "page down",      # less
641
 
                         "f": "page down",      # less
642
 
                         "b": "page up",        # less
643
 
                         "j": "down",           # vi
644
 
                         "k": "up",             # vi
 
550
        translations = { u"ctrl n": u"down",      # Emacs
 
551
                         u"ctrl p": u"up",        # Emacs
 
552
                         u"ctrl v": u"page down", # Emacs
 
553
                         u"meta v": u"page up",   # Emacs
 
554
                         u" ": u"page down",      # less
 
555
                         u"f": u"page down",      # less
 
556
                         u"b": u"page up",        # less
 
557
                         u"j": u"down",           # vi
 
558
                         u"k": u"up",             # vi
645
559
                         }
646
560
        for key in keys:
647
561
            try:
649
563
            except KeyError:    # :-)
650
564
                pass
651
565
            
652
 
            if key == "q" or key == "Q":
 
566
            if key == u"q" or key == u"Q":
653
567
                self.stop()
654
568
                break
655
 
            elif key == "window resize":
 
569
            elif key == u"window resize":
656
570
                self.size = self.screen.get_cols_rows()
657
571
                self.refresh()
658
 
            elif key == "\f":  # Ctrl-L
 
572
            elif key == u"\f":  # Ctrl-L
659
573
                self.refresh()
660
 
            elif key == "l" or key == "D":
 
574
            elif key == u"l" or key == u"D":
661
575
                self.toggle_log_display()
662
576
                self.refresh()
663
 
            elif key == "w" or key == "i":
 
577
            elif key == u"w" or key == u"i":
664
578
                self.change_log_display()
665
579
                self.refresh()
666
 
            elif key == "?" or key == "f1" or key == "esc":
 
580
            elif key == u"?" or key == u"f1" or key == u"esc":
667
581
                if not self.log_visible:
668
582
                    self.log_visible = True
669
583
                    self.rebuild()
670
 
                self.log_message_raw(("bold",
671
 
                                      "  ".
672
 
                                      join(("q: Quit",
673
 
                                            "?: Help",
674
 
                                            "l: Log window toggle",
675
 
                                            "TAB: Switch window",
676
 
                                            "w: Wrap (log)"))))
677
 
                self.log_message_raw(("bold",
678
 
                                      "  "
679
 
                                      .join(("Clients:",
680
 
                                             "+: Enable",
681
 
                                             "-: Disable",
682
 
                                             "R: Remove",
683
 
                                             "s: Start new checker",
684
 
                                             "S: Stop checker",
685
 
                                             "C: Checker OK",
686
 
                                             "a: Approve",
687
 
                                             "d: Deny"))))
 
584
                self.log_message_raw((u"bold",
 
585
                                      u"  ".
 
586
                                      join((u"q: Quit",
 
587
                                            u"?: Help",
 
588
                                            u"l: Log window toggle",
 
589
                                            u"TAB: Switch window",
 
590
                                            u"w: Wrap (log)"))))
 
591
                self.log_message_raw((u"bold",
 
592
                                      u"  "
 
593
                                      .join((u"Clients:",
 
594
                                             u"e: Enable",
 
595
                                             u"d: Disable",
 
596
                                             u"r: Remove",
 
597
                                             u"s: Start new checker",
 
598
                                             u"S: Stop checker",
 
599
                                             u"C: Checker OK"))))
688
600
                self.refresh()
689
 
            elif key == "tab":
 
601
            elif key == u"tab":
690
602
                if self.topwidget.get_focus() is self.logbox:
691
603
                    self.topwidget.set_focus(0)
692
604
                else:
693
605
                    self.topwidget.set_focus(self.logbox)
694
606
                self.refresh()
695
 
            #elif (key == "end" or key == "meta >" or key == "G"
696
 
            #      or key == ">"):
 
607
            #elif (key == u"end" or key == u"meta >" or key == u"G"
 
608
            #      or key == u">"):
697
609
            #    pass            # xxx end-of-buffer
698
 
            #elif (key == "home" or key == "meta <" or key == "g"
699
 
            #      or key == "<"):
 
610
            #elif (key == u"home" or key == u"meta <" or key == u"g"
 
611
            #      or key == u"<"):
700
612
            #    pass            # xxx beginning-of-buffer
701
 
            #elif key == "ctrl e" or key == "$":
 
613
            #elif key == u"ctrl e" or key == u"$":
702
614
            #    pass            # xxx move-end-of-line
703
 
            #elif key == "ctrl a" or key == "^":
 
615
            #elif key == u"ctrl a" or key == u"^":
704
616
            #    pass            # xxx move-beginning-of-line
705
 
            #elif key == "ctrl b" or key == "meta (" or key == "h":
 
617
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
706
618
            #    pass            # xxx left
707
 
            #elif key == "ctrl f" or key == "meta )" or key == "l":
 
619
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
708
620
            #    pass            # xxx right
709
 
            #elif key == "a":
 
621
            #elif key == u"a":
710
622
            #    pass            # scroll up log
711
 
            #elif key == "z":
 
623
            #elif key == u"z":
712
624
            #    pass            # scroll down log
713
625
            elif self.topwidget.selectable():
714
626
                self.topwidget.keypress(self.size, key)
718
630
ui = UserInterface()
719
631
try:
720
632
    ui.run()
721
 
except KeyboardInterrupt:
722
 
    ui.screen.stop()
723
633
except Exception, e:
724
634
    ui.log_message(unicode(e))
725
635
    ui.screen.stop()