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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 © 2009-2012 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
3
 
26
 
from __future__ import (division, absolute_import, print_function,
27
 
                        unicode_literals)
 
4
from __future__ import division, absolute_import, with_statement
28
5
 
29
6
import sys
30
 
import os
31
7
import signal
32
8
 
33
 
import datetime
34
 
 
35
9
import urwid.curses_display
36
10
import urwid
37
11
 
42
16
 
43
17
import UserList
44
18
 
45
 
import locale
46
 
 
47
 
locale.setlocale(locale.LC_ALL, '')
48
 
 
49
 
import logging
50
 
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
51
 
 
52
19
# Some useful constants
53
 
domain = 'se.recompile'
 
20
domain = 'se.bsnet.fukt'
54
21
server_interface = domain + '.Mandos'
55
22
client_interface = domain + '.Mandos.Client'
56
 
version = "1.5.3"
 
23
version = "1.0.14"
57
24
 
58
25
# Always run in monochrome mode
59
26
urwid.curses_display.curses.has_colors = lambda : False
63
30
urwid.curses_display.curses.A_UNDERLINE |= (
64
31
    urwid.curses_display.curses.A_BLINK)
65
32
 
66
 
def isoformat_to_datetime(iso):
67
 
    "Parse an ISO 8601 date string to a datetime.datetime()"
68
 
    if not iso:
69
 
        return None
70
 
    d, t = iso.split("T", 1)
71
 
    year, month, day = d.split("-", 2)
72
 
    hour, minute, second = t.split(":", 2)
73
 
    second, fraction = divmod(float(second), 1)
74
 
    return datetime.datetime(int(year),
75
 
                             int(month),
76
 
                             int(day),
77
 
                             int(hour),
78
 
                             int(minute),
79
 
                             int(second),           # Whole seconds
80
 
                             int(fraction*1000000)) # Microseconds
81
 
 
82
33
class MandosClientPropertyCache(object):
83
34
    """This wraps a Mandos Client D-Bus proxy object, caches the
84
35
    properties and calls a hook function when any of them are
85
36
    changed.
86
37
    """
87
 
    def __init__(self, proxy_object=None, *args, **kwargs):
 
38
    def __init__(self, proxy_object=None, properties=None, *args,
 
39
                 **kwargs):
88
40
        self.proxy = proxy_object # Mandos Client proxy object
89
41
        
90
 
        self.properties = dict()
91
 
        self.property_changed_match = (
92
 
            self.proxy.connect_to_signal("PropertyChanged",
93
 
                                         self.property_changed,
94
 
                                         client_interface,
95
 
                                         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)
96
50
        
97
 
        self.properties.update(
98
 
            self.proxy.GetAll(client_interface,
99
 
                              dbus_interface = dbus.PROPERTIES_IFACE))
100
 
 
101
 
        #XXX This breaks good super behaviour
102
 
#        super(MandosClientPropertyCache, self).__init__(
103
 
#            *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)
104
58
    
105
59
    def property_changed(self, property=None, value=None):
106
60
        """This is called whenever we get a PropertyChanged signal
108
62
        """
109
63
        # Update properties dict with new value
110
64
        self.properties[property] = value
111
 
    
112
 
    def delete(self, *args, **kwargs):
113
 
        self.property_changed_match.remove()
114
 
        super(MandosClientPropertyCache, self).__init__(
115
 
            *args, **kwargs)
116
65
 
117
66
 
118
67
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
120
69
    """
121
70
    
122
71
    def __init__(self, server_proxy_object=None, update_hook=None,
123
 
                 delete_hook=None, logger=None, *args, **kwargs):
 
72
                 delete_hook=None, *args, **kwargs):
124
73
        # Called on update
125
74
        self.update_hook = update_hook
126
75
        # Called on delete
127
76
        self.delete_hook = delete_hook
128
77
        # Mandos Server proxy object
129
78
        self.server_proxy_object = server_proxy_object
130
 
        # Logger
131
 
        self.logger = logger
132
 
        
133
 
        self._update_timer_callback_tag = None
134
 
        self._update_timer_callback_lock = 0
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
 
        
149
 
        if self.properties ["LastCheckerStatus"] != 0:
150
 
            self.using_timer(True)
151
 
        
152
 
        if self.need_approval:
153
 
            self.using_timer(True)
154
 
        
155
 
        self.match_objects = (
156
 
            self.proxy.connect_to_signal("CheckerCompleted",
157
 
                                         self.checker_completed,
158
 
                                         client_interface,
159
 
                                         byte_arrays=True),
160
 
            self.proxy.connect_to_signal("CheckerStarted",
161
 
                                         self.checker_started,
162
 
                                         client_interface,
163
 
                                         byte_arrays=True),
164
 
            self.proxy.connect_to_signal("GotSecret",
165
 
                                         self.got_secret,
166
 
                                         client_interface,
167
 
                                         byte_arrays=True),
168
 
            self.proxy.connect_to_signal("NeedApproval",
169
 
                                         self.need_approval,
170
 
                                         client_interface,
171
 
                                         byte_arrays=True),
172
 
            self.proxy.connect_to_signal("Rejected",
173
 
                                         self.rejected,
174
 
                                         client_interface,
175
 
                                         byte_arrays=True))
176
 
        #self.logger('Created client {0}'
177
 
        #            .format(self.properties["Name"]))
178
 
    
179
 
    def property_changed(self, property=None, value=None):
180
 
        super(self, MandosClientWidget).property_changed(property,
181
 
                                                         value)
182
 
        if property == "ApprovalPending":
183
 
            using_timer(bool(value))
184
 
        if property == "LastCheckerStatus":
185
 
            using_timer(value != 0)
186
 
            #self.logger('Checker for client {0} (command "{1}") was '
187
 
            #            ' successful'.format(self.properties["Name"],
188
 
            #                                 command))
189
 
    
190
 
    def using_timer(self, flag):
191
 
        """Call this method with True or False when timer should be
192
 
        activated or deactivated.
193
 
        """
194
 
        old = self._update_timer_callback_lock
195
 
        if flag:
196
 
            self._update_timer_callback_lock += 1
197
 
        else:
198
 
            self._update_timer_callback_lock -= 1
199
 
        if old == 0 and self._update_timer_callback_lock:
200
 
            # Will update the shown timer value every second
201
 
            self._update_timer_callback_tag = (gobject.timeout_add
202
 
                                               (1000,
203
 
                                                self.update_timer))
204
 
        elif old and self._update_timer_callback_lock == 0:
205
 
            gobject.source_remove(self._update_timer_callback_tag)
206
 
            self._update_timer_callback_tag = None
207
 
    
208
 
    def checker_completed(self, exitstatus, condition, command):
209
 
        if exitstatus == 0:
210
 
            self.update()
211
 
            return
212
 
        # Checker failed
213
 
        if os.WIFEXITED(condition):
214
 
            self.logger('Checker for client {0} (command "{1}")'
215
 
                        ' failed with exit code {2}'
216
 
                        .format(self.properties["Name"], command,
217
 
                                os.WEXITSTATUS(condition)))
218
 
        elif os.WIFSIGNALED(condition):
219
 
            self.logger('Checker for client {0} (command "{1}") was'
220
 
                        ' killed by signal {2}'
221
 
                        .format(self.properties["Name"], command,
222
 
                                os.WTERMSIG(condition)))
223
 
        elif os.WCOREDUMP(condition):
224
 
            self.logger('Checker for client {0} (command "{1}")'
225
 
                        ' dumped core'
226
 
                        .format(self.properties["Name"], command))
227
 
        else:
228
 
            self.logger('Checker for client {0} completed'
229
 
                        ' mysteriously'
230
 
                        .format(self.properties["Name"]))
231
 
        self.update()
232
 
    
233
 
    def checker_started(self, command):
234
 
        """Server signals that a checker started. This could be useful
235
 
           to log in the future. """
236
 
        #self.logger('Client {0} started checker "{1}"'
237
 
        #            .format(self.properties["Name"],
238
 
        #                    unicode(command)))
239
 
        pass
240
 
    
241
 
    def got_secret(self):
242
 
        self.logger('Client {0} received its secret'
243
 
                    .format(self.properties["Name"]))
244
 
    
245
 
    def need_approval(self, timeout, default):
246
 
        if not default:
247
 
            message = 'Client {0} needs approval within {1} seconds'
248
 
        else:
249
 
            message = 'Client {0} will get its secret in {1} seconds'
250
 
        self.logger(message.format(self.properties["Name"],
251
 
                                   timeout/1000))
252
 
        self.using_timer(True)
253
 
    
254
 
    def rejected(self, reason):
255
 
        self.logger('Client {0} was rejected; reason: {1}'
256
 
                    .format(self.properties["Name"], reason))
257
89
    
258
90
    def selectable(self):
259
91
        """Make this a "selectable" widget.
260
92
        This overrides the method from urwid.FlowWidget."""
261
93
        return True
262
94
    
263
 
    def rows(self, maxcolrow, focus=False):
 
95
    def rows(self, (maxcol,), focus=False):
264
96
        """How many rows this widget will occupy might depend on
265
97
        whether we have focus or not.
266
98
        This overrides the method from urwid.FlowWidget"""
267
 
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
99
        return self.current_widget(focus).rows((maxcol,), focus=focus)
268
100
    
269
101
    def current_widget(self, focus=False):
270
102
        if focus or self.opened:
274
106
    def update(self):
275
107
        "Called when what is visible on the screen should be updated."
276
108
        # How to add standout mode to a style
277
 
        with_standout = { "normal": "standout",
278
 
                          "bold": "bold-standout",
279
 
                          "underline-blink":
280
 
                              "underline-blink-standout",
281
 
                          "bold-underline-blink":
282
 
                              "bold-underline-blink-standout",
 
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",
283
115
                          }
284
 
 
 
116
        
285
117
        # Rebuild focus and non-focus widgets using current properties
286
 
 
287
 
        # Base part of a client. Name!
288
 
        base = '{name}: '.format(name=self.properties["Name"])
289
 
        if not self.properties["Enabled"]:
290
 
            message = "DISABLED"
291
 
        elif self.properties["ApprovalPending"]:
292
 
            timeout = datetime.timedelta(milliseconds
293
 
                                         = self.properties
294
 
                                         ["ApprovalDelay"])
295
 
            last_approval_request = isoformat_to_datetime(
296
 
                self.properties["LastApprovalRequest"])
297
 
            if last_approval_request is not None:
298
 
                timer = timeout - (datetime.datetime.utcnow()
299
 
                                   - last_approval_request)
300
 
            else:
301
 
                timer = datetime.timedelta()
302
 
            if self.properties["ApprovedByDefault"]:
303
 
                message = "Approval in {0}. (d)eny?"
304
 
            else:
305
 
                message = "Denial in {0}. (a)pprove?"
306
 
            message = message.format(unicode(timer).rsplit(".", 1)[0])
307
 
        elif self.properties["LastCheckerStatus"] != 0:
308
 
            # When checker has failed, show timer until client expires
309
 
            expires = self.properties["Expires"]
310
 
            if expires == "":
311
 
                timer = datetime.timedelta(0)
312
 
            else:
313
 
                expires = (datetime.datetime.strptime
314
 
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
315
 
                timer = expires - datetime.datetime.utcnow()
316
 
            message = ('A checker has failed! Time until client'
317
 
                       ' gets disabled: {0}'
318
 
                       .format(unicode(timer).rsplit(".", 1)[0]))
319
 
        else:
320
 
            message = "enabled"
321
 
        self._text = "{0}{1}".format(base, message)
322
 
            
 
118
        self._text = (u'name="%(name)s", enabled=%(enabled)s'
 
119
                      % self.properties)
323
120
        if not urwid.supports_unicode():
324
121
            self._text = self._text.encode("ascii", "replace")
325
 
        textlist = [("normal", self._text)]
 
122
        textlist = [(u"normal", u"BLARGH: "), (u"bold", self._text)]
326
123
        self._text_widget.set_text(textlist)
327
124
        self._focus_text_widget.set_text([(with_standout[text[0]],
328
125
                                           text[1])
336
133
        if self.update_hook is not None:
337
134
            self.update_hook()
338
135
    
339
 
    def update_timer(self):
340
 
        """called by gobject. Will indefinitely loop until
341
 
        gobject.source_remove() on tag is called"""
342
 
        self.update()
343
 
        return True             # Keep calling this
344
 
    
345
 
    def delete(self, *args, **kwargs):
346
 
        if self._update_timer_callback_tag is not None:
347
 
            gobject.source_remove(self._update_timer_callback_tag)
348
 
            self._update_timer_callback_tag = None
349
 
        for match in self.match_objects:
350
 
            match.remove()
351
 
        self.match_objects = ()
 
136
    def delete(self):
352
137
        if self.delete_hook is not None:
353
138
            self.delete_hook(self)
354
 
        return super(MandosClientWidget, self).delete(*args, **kwargs)
355
139
    
356
 
    def render(self, maxcolrow, focus=False):
 
140
    def render(self, (maxcol,), focus=False):
357
141
        """Render differently if we have focus.
358
142
        This overrides the method from urwid.FlowWidget"""
359
 
        return self.current_widget(focus).render(maxcolrow,
 
143
        return self.current_widget(focus).render((maxcol,),
360
144
                                                 focus=focus)
361
145
    
362
 
    def keypress(self, maxcolrow, key):
 
146
    def keypress(self, (maxcol,), key):
363
147
        """Handle keys.
364
148
        This overrides the method from urwid.FlowWidget"""
365
 
        if key == "+":
366
 
            self.proxy.Enable(dbus_interface = client_interface,
367
 
                              ignore_reply=True)
368
 
        elif key == "-":
369
 
            self.proxy.Disable(dbus_interface = client_interface,
370
 
                               ignore_reply=True)
371
 
        elif key == "a":
372
 
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
373
 
                               dbus_interface = client_interface,
374
 
                               ignore_reply=True)
375
 
        elif key == "d":
376
 
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
377
 
                                  dbus_interface = client_interface,
378
 
                               ignore_reply=True)
379
 
        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"_":
380
154
            self.server_proxy_object.RemoveClient(self.proxy
381
 
                                                  .object_path,
382
 
                                                  ignore_reply=True)
383
 
        elif key == "s":
384
 
            self.proxy.StartChecker(dbus_interface = client_interface,
385
 
                                    ignore_reply=True)
386
 
        elif key == "S":
387
 
            self.proxy.StopChecker(dbus_interface = client_interface,
388
 
                                   ignore_reply=True)
389
 
        elif key == "C":
390
 
            self.proxy.CheckedOK(dbus_interface = client_interface,
391
 
                                 ignore_reply=True)
 
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()
392
162
        # xxx
393
 
#         elif key == "p" or key == "=":
 
163
#         elif key == u"p" or key == "=":
394
164
#             self.proxy.pause()
395
 
#         elif key == "u" or key == ":":
 
165
#         elif key == u"u" or key == ":":
396
166
#             self.proxy.unpause()
397
 
#         elif key == "RET":
 
167
#         elif key == u"RET":
398
168
#             self.open()
399
169
        else:
400
170
            return key
416
186
    "down" key presses, thus not allowing any containing widgets to
417
187
    use them as an excuse to shift focus away from this widget.
418
188
    """
419
 
    def keypress(self, maxcolrow, key):
420
 
        ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
421
 
        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"):
422
192
            return
423
193
        return ret
424
194
 
433
203
        self.screen = urwid.curses_display.Screen()
434
204
        
435
205
        self.screen.register_palette((
436
 
                ("normal",
437
 
                 "default", "default", None),
438
 
                ("bold",
439
 
                 "default", "default", "bold"),
440
 
                ("underline-blink",
441
 
                 "default", "default", "underline"),
442
 
                ("standout",
443
 
                 "default", "default", "standout"),
444
 
                ("bold-underline-blink",
445
 
                 "default", "default", ("bold", "underline")),
446
 
                ("bold-standout",
447
 
                 "default", "default", ("bold", "standout")),
448
 
                ("underline-blink-standout",
449
 
                 "default", "default", ("underline", "standout")),
450
 
                ("bold-underline-blink-standout",
451
 
                 "default", "default", ("bold", "underline",
452
 
                                          "standout")),
 
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")),
453
223
                ))
454
224
        
455
225
        if urwid.supports_unicode():
456
 
            self.divider = "─" # \u2500
457
 
            #self.divider = "━" # \u2501
 
226
            #self.divider = u"─" # \u2500
 
227
            self.divider = u"━" # \u2501
458
228
        else:
459
 
            #self.divider = "-" # \u002d
460
 
            self.divider = "_" # \u005f
 
229
            #self.divider = u"-" # \u002d
 
230
            self.divider = u"_" # \u005f
461
231
        
462
232
        self.screen.start()
463
233
        
477
247
        # This keeps track of whether self.uilist currently has
478
248
        # self.logbox in it or not
479
249
        self.log_visible = True
480
 
        self.log_wrap = "any"
 
250
        self.log_wrap = u"any"
481
251
        
482
252
        self.rebuild()
483
 
        self.log_message_raw(("bold",
484
 
                              "Mandos Monitor version " + version))
485
 
        self.log_message_raw(("bold",
486
 
                              "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"))
487
257
        
488
258
        self.busname = domain + '.Mandos'
489
259
        self.main_loop = gobject.MainLoop()
490
 
    
491
 
    def client_not_found(self, fingerprint, address):
492
 
        self.log_message("Client with address {0} and fingerprint"
493
 
                         " {1} could not be found"
494
 
                         .format(address, fingerprint))
 
260
        self.bus = dbus.SystemBus()
 
261
        mandos_dbus_objc = self.bus.get_object(
 
262
            self.busname, u"/", follow_name_owner_changes=True)
 
263
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
264
                                          dbus_interface
 
265
                                          = server_interface)
 
266
        try:
 
267
            mandos_clients = (self.mandos_serv
 
268
                              .GetAllClientsWithProperties())
 
269
        except dbus.exceptions.DBusException:
 
270
            mandos_clients = dbus.Dictionary()
 
271
        
 
272
        (self.mandos_serv
 
273
         .connect_to_signal("ClientRemoved",
 
274
                            self.find_and_remove_client,
 
275
                            dbus_interface=server_interface,
 
276
                            byte_arrays=True))
 
277
        (self.mandos_serv
 
278
         .connect_to_signal("ClientAdded",
 
279
                            self.add_new_client,
 
280
                            dbus_interface=server_interface,
 
281
                            byte_arrays=True))
 
282
        for path, client in mandos_clients.iteritems():
 
283
            client_proxy_object = self.bus.get_object(self.busname,
 
284
                                                      path)
 
285
            self.add_client(MandosClientWidget(server_proxy_object
 
286
                                               =self.mandos_serv,
 
287
                                               proxy_object
 
288
                                               =client_proxy_object,
 
289
                                               properties=client,
 
290
                                               update_hook
 
291
                                               =self.refresh,
 
292
                                               delete_hook
 
293
                                               =self.remove_client),
 
294
                            path=path)
495
295
    
496
296
    def rebuild(self):
497
297
        """This rebuilds the User Interface.
498
298
        Call this when the widget layout needs to change"""
499
299
        self.uilist = []
500
300
        #self.uilist.append(urwid.ListBox(self.clients))
501
 
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
502
 
                                                          clients),
 
301
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
503
302
                                       #header=urwid.Divider(),
504
303
                                       header=None,
505
 
                                       footer=
506
 
                                       urwid.Divider(div_char=
507
 
                                                     self.divider)))
 
304
                                       footer=urwid.Divider(div_char=self.divider)))
508
305
        if self.log_visible:
509
306
            self.uilist.append(self.logbox)
 
307
            pass
510
308
        self.topwidget = urwid.Pile(self.uilist)
511
309
    
512
 
    def log_message(self, message):
513
 
        timestamp = datetime.datetime.now().isoformat()
514
 
        self.log_message_raw(timestamp + ": " + message)
515
 
    
516
 
    def log_message_raw(self, markup):
 
310
    def log_message(self, markup):
517
311
        """Add a log message to the log buffer."""
518
312
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
519
313
        if (self.max_log_length
520
314
            and len(self.log) > self.max_log_length):
521
315
            del self.log[0:len(self.log)-self.max_log_length-1]
522
 
        self.logbox.set_focus(len(self.logbox.body.contents),
523
 
                              coming_from="above")
524
 
        self.refresh()
525
316
    
526
317
    def toggle_log_display(self):
527
318
        """Toggle visibility of the log buffer."""
528
319
        self.log_visible = not self.log_visible
529
320
        self.rebuild()
530
 
        #self.log_message("Log visibility changed to: "
531
 
        #                 + unicode(self.log_visible))
 
321
        self.log_message(u"Log visibility changed to: "
 
322
                         + unicode(self.log_visible))
532
323
    
533
324
    def change_log_display(self):
534
325
        """Change type of log display.
535
326
        Currently, this toggles wrapping of text lines."""
536
 
        if self.log_wrap == "clip":
537
 
            self.log_wrap = "any"
 
327
        if self.log_wrap == u"clip":
 
328
            self.log_wrap = u"any"
538
329
        else:
539
 
            self.log_wrap = "clip"
 
330
            self.log_wrap = u"clip"
540
331
        for textwidget in self.log:
541
332
            textwidget.set_wrap_mode(self.log_wrap)
542
 
        #self.log_message("Wrap mode: " + self.log_wrap)
 
333
        self.log_message(u"Wrap mode: " + self.log_wrap)
543
334
    
544
335
    def find_and_remove_client(self, path, name):
545
 
        """Find a client by its object path and remove it.
 
336
        """Find an client from its object path and remove it.
546
337
        
547
338
        This is connected to the ClientRemoved signal from the
548
339
        Mandos server object."""
550
341
            client = self.clients_dict[path]
551
342
        except KeyError:
552
343
            # not found?
553
 
            self.log_message("Unknown client {0!r} ({1!r}) removed"
554
 
                             .format(name, path))
555
344
            return
556
 
        client.delete()
 
345
        self.remove_client(client, path)
557
346
    
558
 
    def add_new_client(self, path):
 
347
    def add_new_client(self, path, properties):
559
348
        client_proxy_object = self.bus.get_object(self.busname, path)
560
349
        self.add_client(MandosClientWidget(server_proxy_object
561
350
                                           =self.mandos_serv,
562
351
                                           proxy_object
563
352
                                           =client_proxy_object,
 
353
                                           properties=properties,
564
354
                                           update_hook
565
355
                                           =self.refresh,
566
356
                                           delete_hook
567
 
                                           =self.remove_client,
568
 
                                           logger
569
 
                                           =self.log_message),
 
357
                                           =self.remove_client),
570
358
                        path=path)
571
359
    
572
360
    def add_client(self, client, path=None):
574
362
        if path is None:
575
363
            path = client.proxy.object_path
576
364
        self.clients_dict[path] = client
577
 
        self.clients.sort(None, lambda c: c.properties["Name"])
 
365
        self.clients.sort(None, lambda c: c.properties[u"name"])
578
366
        self.refresh()
579
367
    
580
368
    def remove_client(self, client, path=None):
596
384
    
597
385
    def run(self):
598
386
        """Start the main loop and exit when it's done."""
599
 
        self.bus = dbus.SystemBus()
600
 
        mandos_dbus_objc = self.bus.get_object(
601
 
            self.busname, "/", follow_name_owner_changes=True)
602
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
603
 
                                          dbus_interface
604
 
                                          = server_interface)
605
 
        try:
606
 
            mandos_clients = (self.mandos_serv
607
 
                              .GetAllClientsWithProperties())
608
 
        except dbus.exceptions.DBusException:
609
 
            mandos_clients = dbus.Dictionary()
610
 
        
611
 
        (self.mandos_serv
612
 
         .connect_to_signal("ClientRemoved",
613
 
                            self.find_and_remove_client,
614
 
                            dbus_interface=server_interface,
615
 
                            byte_arrays=True))
616
 
        (self.mandos_serv
617
 
         .connect_to_signal("ClientAdded",
618
 
                            self.add_new_client,
619
 
                            dbus_interface=server_interface,
620
 
                            byte_arrays=True))
621
 
        (self.mandos_serv
622
 
         .connect_to_signal("ClientNotFound",
623
 
                            self.client_not_found,
624
 
                            dbus_interface=server_interface,
625
 
                            byte_arrays=True))
626
 
        for path, client in mandos_clients.iteritems():
627
 
            client_proxy_object = self.bus.get_object(self.busname,
628
 
                                                      path)
629
 
            self.add_client(MandosClientWidget(server_proxy_object
630
 
                                               =self.mandos_serv,
631
 
                                               proxy_object
632
 
                                               =client_proxy_object,
633
 
                                               properties=client,
634
 
                                               update_hook
635
 
                                               =self.refresh,
636
 
                                               delete_hook
637
 
                                               =self.remove_client,
638
 
                                               logger
639
 
                                               =self.log_message),
640
 
                            path=path)
641
 
 
642
387
        self.refresh()
643
388
        self._input_callback_tag = (gobject.io_add_watch
644
389
                                    (sys.stdin.fileno(),
654
399
    
655
400
    def process_input(self, source, condition):
656
401
        keys = self.screen.get_input()
657
 
        translations = { "ctrl n": "down",      # Emacs
658
 
                         "ctrl p": "up",        # Emacs
659
 
                         "ctrl v": "page down", # Emacs
660
 
                         "meta v": "page up",   # Emacs
661
 
                         " ": "page down",      # less
662
 
                         "f": "page down",      # less
663
 
                         "b": "page up",        # less
664
 
                         "j": "down",           # vi
665
 
                         "k": "up",             # vi
 
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
666
411
                         }
667
412
        for key in keys:
668
413
            try:
670
415
            except KeyError:    # :-)
671
416
                pass
672
417
            
673
 
            if key == "q" or key == "Q":
 
418
            if key == u"q" or key == u"Q":
674
419
                self.stop()
675
420
                break
676
 
            elif key == "window resize":
 
421
            elif key == u"window resize":
677
422
                self.size = self.screen.get_cols_rows()
678
423
                self.refresh()
679
 
            elif key == "\f":  # Ctrl-L
 
424
            elif key == u"\f":  # Ctrl-L
680
425
                self.refresh()
681
 
            elif key == "l" or key == "D":
 
426
            elif key == u"l" or key == u"D":
682
427
                self.toggle_log_display()
683
428
                self.refresh()
684
 
            elif key == "w" or key == "i":
 
429
            elif key == u"w" or key == u"i":
685
430
                self.change_log_display()
686
431
                self.refresh()
687
 
            elif key == "?" or key == "f1" or key == "esc":
 
432
            elif key == u"?" or key == u"f1":
688
433
                if not self.log_visible:
689
434
                    self.log_visible = True
690
435
                    self.rebuild()
691
 
                self.log_message_raw(("bold",
692
 
                                      "  ".
693
 
                                      join(("q: Quit",
694
 
                                            "?: Help",
695
 
                                            "l: Log window toggle",
696
 
                                            "TAB: Switch window",
697
 
                                            "w: Wrap (log)"))))
698
 
                self.log_message_raw(("bold",
699
 
                                      "  "
700
 
                                      .join(("Clients:",
701
 
                                             "+: Enable",
702
 
                                             "-: Disable",
703
 
                                             "R: Remove",
704
 
                                             "s: Start new checker",
705
 
                                             "S: Stop checker",
706
 
                                             "C: Checker OK",
707
 
                                             "a: Approve",
708
 
                                             "d: Deny"))))
 
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"))))
709
450
                self.refresh()
710
 
            elif key == "tab":
 
451
            elif key == u"tab":
711
452
                if self.topwidget.get_focus() is self.logbox:
712
453
                    self.topwidget.set_focus(0)
713
454
                else:
714
455
                    self.topwidget.set_focus(self.logbox)
715
456
                self.refresh()
716
 
            #elif (key == "end" or key == "meta >" or key == "G"
717
 
            #      or key == ">"):
 
457
            #elif (key == u"end" or key == u"meta >" or key == u"G"
 
458
            #      or key == u">"):
718
459
            #    pass            # xxx end-of-buffer
719
 
            #elif (key == "home" or key == "meta <" or key == "g"
720
 
            #      or key == "<"):
 
460
            #elif (key == u"home" or key == u"meta <" or key == u"g"
 
461
            #      or key == u"<"):
721
462
            #    pass            # xxx beginning-of-buffer
722
 
            #elif key == "ctrl e" or key == "$":
 
463
            #elif key == u"ctrl e" or key == u"$":
723
464
            #    pass            # xxx move-end-of-line
724
 
            #elif key == "ctrl a" or key == "^":
 
465
            #elif key == u"ctrl a" or key == u"^":
725
466
            #    pass            # xxx move-beginning-of-line
726
 
            #elif key == "ctrl b" or key == "meta (" or key == "h":
 
467
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
727
468
            #    pass            # xxx left
728
 
            #elif key == "ctrl f" or key == "meta )" or key == "l":
 
469
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
729
470
            #    pass            # xxx right
730
 
            #elif key == "a":
 
471
            #elif key == u"a":
731
472
            #    pass            # scroll up log
732
 
            #elif key == "z":
 
473
            #elif key == u"z":
733
474
            #    pass            # scroll down log
734
475
            elif self.topwidget.selectable():
735
476
                self.topwidget.keypress(self.size, key)
739
480
ui = UserInterface()
740
481
try:
741
482
    ui.run()
742
 
except KeyboardInterrupt:
743
 
    ui.screen.stop()
744
 
except Exception, e:
745
 
    ui.log_message(unicode(e))
 
483
except:
746
484
    ui.screen.stop()
747
485
    raise