/mandos/trunk

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  • Committer: Teddy Hogeborn
  • Date: 2008-09-17 00:34:09 UTC
  • Revision ID: teddy@fukt.bsnet.se-20080917003409-bxbjsc4o69nx40t6
* .bzr-builddeb/default.conf: New.

* Makefile (install-server): Do not create directories that
                             should already be present in a
                             normal system.
  (install-client-nokey): - '' -  Also specify non-executable
                          mode for "initramfs-tools-hook-conf".

* README: Improved wording.  Use real copyright mark.

* debian/changelog: New.
* debian/compat: - '' -
* debian/control: - '' -
* debian/copyright: - '' -
* debian/mandos-client.README.Debian: - '' -
* debian/mandos-client.dirs: - '' -
* debian/mandos-client.lintian-overrides: - '' -
* debian/mandos-client.postinst: - '' -
* debian/mandos-client.postrm: - '' -
* debian/mandos.dirs: - '' -
* debian/mandos.lintian-overrides: - '' -
* debian/rules: - '' -
* default-mandos: - '' -

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mandos-monitor
1
 
#!/usr/bin/python
2
 
# -*- mode: python; coding: utf-8 -*-
3
 
# 
4
 
# Mandos Monitor - Control and monitor the Mandos server
5
 
# 
6
 
# Copyright © 2009-2014 Teddy Hogeborn
7
 
# Copyright © 2009-2014 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
 
try:
29
 
    from future_builtins import *
30
 
except ImportError:
31
 
    pass
32
 
 
33
 
import sys
34
 
import os
35
 
 
36
 
import datetime
37
 
 
38
 
import urwid.curses_display
39
 
import urwid
40
 
 
41
 
from dbus.mainloop.glib import DBusGMainLoop
42
 
try:
43
 
    import gobject
44
 
except ImportError:
45
 
    from gi.repository import GObject as gobject
46
 
 
47
 
import dbus
48
 
 
49
 
import locale
50
 
 
51
 
if sys.version_info.major == 2:
52
 
    str = unicode
53
 
 
54
 
locale.setlocale(locale.LC_ALL, '')
55
 
 
56
 
import logging
57
 
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
58
 
 
59
 
# Some useful constants
60
 
domain = 'se.recompile'
61
 
server_interface = domain + '.Mandos'
62
 
client_interface = domain + '.Mandos.Client'
63
 
version = "1.6.9"
64
 
 
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
 
class MandosClientPropertyCache(object):
82
 
    """This wraps a Mandos Client D-Bus proxy object, caches the
83
 
    properties and calls a hook function when any of them are
84
 
    changed.
85
 
    """
86
 
    def __init__(self, proxy_object=None, properties=None, **kwargs):
87
 
        self.proxy = proxy_object # Mandos Client proxy object
88
 
        self.properties = dict() if properties is None else properties
89
 
        self.property_changed_match = (
90
 
            self.proxy.connect_to_signal("PropertiesChanged",
91
 
                                         self.properties_changed,
92
 
                                         dbus.PROPERTIES_IFACE,
93
 
                                         byte_arrays=True))
94
 
        
95
 
        if properties is None:
96
 
            self.properties.update(
97
 
                self.proxy.GetAll(client_interface,
98
 
                                  dbus_interface
99
 
                                  = dbus.PROPERTIES_IFACE))
100
 
        
101
 
        super(MandosClientPropertyCache, self).__init__(**kwargs)
102
 
    
103
 
    def properties_changed(self, interface, properties, invalidated):
104
 
        """This is called whenever we get a PropertiesChanged signal
105
 
        It updates the changed properties in the "properties" dict.
106
 
        """
107
 
        # Update properties dict with new value
108
 
        self.properties.update(properties)
109
 
    
110
 
    def delete(self):
111
 
        self.property_changed_match.remove()
112
 
 
113
 
 
114
 
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
115
 
    """A Mandos Client which is visible on the screen.
116
 
    """
117
 
    
118
 
    def __init__(self, server_proxy_object=None, update_hook=None,
119
 
                 delete_hook=None, logger=None, **kwargs):
120
 
        # Called on update
121
 
        self.update_hook = update_hook
122
 
        # Called on delete
123
 
        self.delete_hook = delete_hook
124
 
        # Mandos Server proxy object
125
 
        self.server_proxy_object = server_proxy_object
126
 
        # Logger
127
 
        self.logger = logger
128
 
        
129
 
        self._update_timer_callback_tag = None
130
 
        
131
 
        # The widget shown normally
132
 
        self._text_widget = urwid.Text("")
133
 
        # The widget shown when we have focus
134
 
        self._focus_text_widget = urwid.Text("")
135
 
        super(MandosClientWidget, self).__init__(**kwargs)
136
 
        self.update()
137
 
        self.opened = False
138
 
        
139
 
        self.match_objects = (
140
 
            self.proxy.connect_to_signal("CheckerCompleted",
141
 
                                         self.checker_completed,
142
 
                                         client_interface,
143
 
                                         byte_arrays=True),
144
 
            self.proxy.connect_to_signal("CheckerStarted",
145
 
                                         self.checker_started,
146
 
                                         client_interface,
147
 
                                         byte_arrays=True),
148
 
            self.proxy.connect_to_signal("GotSecret",
149
 
                                         self.got_secret,
150
 
                                         client_interface,
151
 
                                         byte_arrays=True),
152
 
            self.proxy.connect_to_signal("NeedApproval",
153
 
                                         self.need_approval,
154
 
                                         client_interface,
155
 
                                         byte_arrays=True),
156
 
            self.proxy.connect_to_signal("Rejected",
157
 
                                         self.rejected,
158
 
                                         client_interface,
159
 
                                         byte_arrays=True))
160
 
        self.logger('Created client {}'
161
 
                    .format(self.properties["Name"]), level=0)
162
 
    
163
 
    def using_timer(self, flag):
164
 
        """Call this method with True or False when timer should be
165
 
        activated or deactivated.
166
 
        """
167
 
        if flag and self._update_timer_callback_tag is None:
168
 
            # Will update the shown timer value every second
169
 
            self._update_timer_callback_tag = (gobject.timeout_add
170
 
                                               (1000,
171
 
                                                self.update_timer))
172
 
        elif not (flag or self._update_timer_callback_tag is None):
173
 
            gobject.source_remove(self._update_timer_callback_tag)
174
 
            self._update_timer_callback_tag = None
175
 
    
176
 
    def checker_completed(self, exitstatus, condition, command):
177
 
        if exitstatus == 0:
178
 
            self.logger('Checker for client {} (command "{}")'
179
 
                        ' succeeded'.format(self.properties["Name"],
180
 
                                            command), level=0)
181
 
            self.update()
182
 
            return
183
 
        # Checker failed
184
 
        if os.WIFEXITED(condition):
185
 
            self.logger('Checker for client {} (command "{}") failed'
186
 
                        ' with exit code {}'
187
 
                        .format(self.properties["Name"], command,
188
 
                                os.WEXITSTATUS(condition)))
189
 
        elif os.WIFSIGNALED(condition):
190
 
            self.logger('Checker for client {} (command "{}") was'
191
 
                        ' killed by signal {}'
192
 
                        .format(self.properties["Name"], command,
193
 
                                os.WTERMSIG(condition)))
194
 
        elif os.WCOREDUMP(condition):
195
 
            self.logger('Checker for client {} (command "{}") dumped'
196
 
                        ' core'.format(self.properties["Name"],
197
 
                                       command))
198
 
        else:
199
 
            self.logger('Checker for client {} completed'
200
 
                        ' mysteriously'
201
 
                        .format(self.properties["Name"]))
202
 
        self.update()
203
 
    
204
 
    def checker_started(self, command):
205
 
        """Server signals that a checker started."""
206
 
        self.logger('Client {} started checker "{}"'
207
 
                    .format(self.properties["Name"],
208
 
                            command), level=0)
209
 
    
210
 
    def got_secret(self):
211
 
        self.logger('Client {} received its secret'
212
 
                    .format(self.properties["Name"]))
213
 
    
214
 
    def need_approval(self, timeout, default):
215
 
        if not default:
216
 
            message = 'Client {} needs approval within {} seconds'
217
 
        else:
218
 
            message = 'Client {} will get its secret in {} seconds'
219
 
        self.logger(message.format(self.properties["Name"],
220
 
                                   timeout/1000))
221
 
    
222
 
    def rejected(self, reason):
223
 
        self.logger('Client {} was rejected; reason: {}'
224
 
                    .format(self.properties["Name"], reason))
225
 
    
226
 
    def selectable(self):
227
 
        """Make this a "selectable" widget.
228
 
        This overrides the method from urwid.FlowWidget."""
229
 
        return True
230
 
    
231
 
    def rows(self, maxcolrow, focus=False):
232
 
        """How many rows this widget will occupy might depend on
233
 
        whether we have focus or not.
234
 
        This overrides the method from urwid.FlowWidget"""
235
 
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
236
 
    
237
 
    def current_widget(self, focus=False):
238
 
        if focus or self.opened:
239
 
            return self._focus_widget
240
 
        return self._widget
241
 
    
242
 
    def update(self):
243
 
        "Called when what is visible on the screen should be updated."
244
 
        # How to add standout mode to a style
245
 
        with_standout = { "normal": "standout",
246
 
                          "bold": "bold-standout",
247
 
                          "underline-blink":
248
 
                              "underline-blink-standout",
249
 
                          "bold-underline-blink":
250
 
                              "bold-underline-blink-standout",
251
 
                          }
252
 
        
253
 
        # Rebuild focus and non-focus widgets using current properties
254
 
        
255
 
        # Base part of a client. Name!
256
 
        base = '{name}: '.format(name=self.properties["Name"])
257
 
        if not self.properties["Enabled"]:
258
 
            message = "DISABLED"
259
 
            self.using_timer(False)
260
 
        elif self.properties["ApprovalPending"]:
261
 
            timeout = datetime.timedelta(milliseconds
262
 
                                         = self.properties
263
 
                                         ["ApprovalDelay"])
264
 
            last_approval_request = isoformat_to_datetime(
265
 
                self.properties["LastApprovalRequest"])
266
 
            if last_approval_request is not None:
267
 
                timer = max(timeout - (datetime.datetime.utcnow()
268
 
                                       - last_approval_request),
269
 
                            datetime.timedelta())
270
 
            else:
271
 
                timer = datetime.timedelta()
272
 
            if self.properties["ApprovedByDefault"]:
273
 
                message = "Approval in {}. (d)eny?"
274
 
            else:
275
 
                message = "Denial in {}. (a)pprove?"
276
 
            message = message.format(str(timer).rsplit(".", 1)[0])
277
 
            self.using_timer(True)
278
 
        elif self.properties["LastCheckerStatus"] != 0:
279
 
            # When checker has failed, show timer until client expires
280
 
            expires = self.properties["Expires"]
281
 
            if expires == "":
282
 
                timer = datetime.timedelta(0)
283
 
            else:
284
 
                expires = (datetime.datetime.strptime
285
 
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
286
 
                timer = max(expires - datetime.datetime.utcnow(),
287
 
                            datetime.timedelta())
288
 
            message = ('A checker has failed! Time until client'
289
 
                       ' gets disabled: {}'
290
 
                       .format(str(timer).rsplit(".", 1)[0]))
291
 
            self.using_timer(True)
292
 
        else:
293
 
            message = "enabled"
294
 
            self.using_timer(False)
295
 
        self._text = "{}{}".format(base, message)
296
 
        
297
 
        if not urwid.supports_unicode():
298
 
            self._text = self._text.encode("ascii", "replace")
299
 
        textlist = [("normal", self._text)]
300
 
        self._text_widget.set_text(textlist)
301
 
        self._focus_text_widget.set_text([(with_standout[text[0]],
302
 
                                           text[1])
303
 
                                          if isinstance(text, tuple)
304
 
                                          else text
305
 
                                          for text in textlist])
306
 
        self._widget = self._text_widget
307
 
        self._focus_widget = urwid.AttrWrap(self._focus_text_widget,
308
 
                                            "standout")
309
 
        # Run update hook, if any
310
 
        if self.update_hook is not None:
311
 
            self.update_hook()
312
 
    
313
 
    def update_timer(self):
314
 
        """called by gobject. Will indefinitely loop until
315
 
        gobject.source_remove() on tag is called"""
316
 
        self.update()
317
 
        return True             # Keep calling this
318
 
    
319
 
    def delete(self, **kwargs):
320
 
        if self._update_timer_callback_tag is not None:
321
 
            gobject.source_remove(self._update_timer_callback_tag)
322
 
            self._update_timer_callback_tag = None
323
 
        for match in self.match_objects:
324
 
            match.remove()
325
 
        self.match_objects = ()
326
 
        if self.delete_hook is not None:
327
 
            self.delete_hook(self)
328
 
        return super(MandosClientWidget, self).delete(**kwargs)
329
 
    
330
 
    def render(self, maxcolrow, focus=False):
331
 
        """Render differently if we have focus.
332
 
        This overrides the method from urwid.FlowWidget"""
333
 
        return self.current_widget(focus).render(maxcolrow,
334
 
                                                 focus=focus)
335
 
    
336
 
    def keypress(self, maxcolrow, key):
337
 
        """Handle keys.
338
 
        This overrides the method from urwid.FlowWidget"""
339
 
        if key == "+":
340
 
            self.proxy.Enable(dbus_interface = client_interface,
341
 
                              ignore_reply=True)
342
 
        elif key == "-":
343
 
            self.proxy.Disable(dbus_interface = client_interface,
344
 
                               ignore_reply=True)
345
 
        elif key == "a":
346
 
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
347
 
                               dbus_interface = client_interface,
348
 
                               ignore_reply=True)
349
 
        elif key == "d":
350
 
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
351
 
                                  dbus_interface = client_interface,
352
 
                               ignore_reply=True)
353
 
        elif key == "R" or key == "_" or key == "ctrl k":
354
 
            self.server_proxy_object.RemoveClient(self.proxy
355
 
                                                  .object_path,
356
 
                                                  ignore_reply=True)
357
 
        elif key == "s":
358
 
            self.proxy.StartChecker(dbus_interface = client_interface,
359
 
                                    ignore_reply=True)
360
 
        elif key == "S":
361
 
            self.proxy.StopChecker(dbus_interface = client_interface,
362
 
                                   ignore_reply=True)
363
 
        elif key == "C":
364
 
            self.proxy.CheckedOK(dbus_interface = client_interface,
365
 
                                 ignore_reply=True)
366
 
        # xxx
367
 
#         elif key == "p" or key == "=":
368
 
#             self.proxy.pause()
369
 
#         elif key == "u" or key == ":":
370
 
#             self.proxy.unpause()
371
 
#         elif key == "RET":
372
 
#             self.open()
373
 
        else:
374
 
            return key
375
 
    
376
 
    def properties_changed(self, interface, properties, invalidated):
377
 
        """Call self.update() if any properties changed.
378
 
        This overrides the method from MandosClientPropertyCache"""
379
 
        old_values = { key: self.properties.get(key)
380
 
                       for key in properties.keys() }
381
 
        super(MandosClientWidget, self).properties_changed(
382
 
            interface, properties, invalidated)
383
 
        if any(old_values[key] != self.properties.get(key)
384
 
               for key in old_values):
385
 
            self.update()
386
 
 
387
 
 
388
 
class ConstrainedListBox(urwid.ListBox):
389
 
    """Like a normal urwid.ListBox, but will consume all "up" or
390
 
    "down" key presses, thus not allowing any containing widgets to
391
 
    use them as an excuse to shift focus away from this widget.
392
 
    """
393
 
    def keypress(self, *args, **kwargs):
394
 
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
395
 
        if ret in ("up", "down"):
396
 
            return
397
 
        return ret
398
 
 
399
 
 
400
 
class UserInterface(object):
401
 
    """This is the entire user interface - the whole screen
402
 
    with boxes, lists of client widgets, etc.
403
 
    """
404
 
    def __init__(self, max_log_length=1000, log_level=1):
405
 
        DBusGMainLoop(set_as_default=True)
406
 
        
407
 
        self.screen = urwid.curses_display.Screen()
408
 
        
409
 
        self.screen.register_palette((
410
 
                ("normal",
411
 
                 "default", "default", None),
412
 
                ("bold",
413
 
                 "bold", "default", "bold"),
414
 
                ("underline-blink",
415
 
                 "underline,blink", "default", "underline,blink"),
416
 
                ("standout",
417
 
                 "standout", "default", "standout"),
418
 
                ("bold-underline-blink",
419
 
                 "bold,underline,blink", "default", "bold,underline,blink"),
420
 
                ("bold-standout",
421
 
                 "bold,standout", "default", "bold,standout"),
422
 
                ("underline-blink-standout",
423
 
                 "underline,blink,standout", "default",
424
 
                 "underline,blink,standout"),
425
 
                ("bold-underline-blink-standout",
426
 
                 "bold,underline,blink,standout", "default",
427
 
                 "bold,underline,blink,standout"),
428
 
                ))
429
 
        
430
 
        if urwid.supports_unicode():
431
 
            self.divider = "─" # \u2500
432
 
            #self.divider = "━" # \u2501
433
 
        else:
434
 
            #self.divider = "-" # \u002d
435
 
            self.divider = "_" # \u005f
436
 
        
437
 
        self.screen.start()
438
 
        
439
 
        self.size = self.screen.get_cols_rows()
440
 
        
441
 
        self.clients = urwid.SimpleListWalker([])
442
 
        self.clients_dict = {}
443
 
        
444
 
        # We will add Text widgets to this list
445
 
        self.log = []
446
 
        self.max_log_length = max_log_length
447
 
        
448
 
        self.log_level = log_level
449
 
        
450
 
        # We keep a reference to the log widget so we can remove it
451
 
        # from the ListWalker without it getting destroyed
452
 
        self.logbox = ConstrainedListBox(self.log)
453
 
        
454
 
        # This keeps track of whether self.uilist currently has
455
 
        # self.logbox in it or not
456
 
        self.log_visible = True
457
 
        self.log_wrap = "any"
458
 
        
459
 
        self.rebuild()
460
 
        self.log_message_raw(("bold",
461
 
                              "Mandos Monitor version " + version))
462
 
        self.log_message_raw(("bold",
463
 
                              "q: Quit  ?: Help"))
464
 
        
465
 
        self.busname = domain + '.Mandos'
466
 
        self.main_loop = gobject.MainLoop()
467
 
    
468
 
    def client_not_found(self, fingerprint, address):
469
 
        self.log_message("Client with address {} and fingerprint {}"
470
 
                         " could not be found"
471
 
                         .format(address, fingerprint))
472
 
    
473
 
    def rebuild(self):
474
 
        """This rebuilds the User Interface.
475
 
        Call this when the widget layout needs to change"""
476
 
        self.uilist = []
477
 
        #self.uilist.append(urwid.ListBox(self.clients))
478
 
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
479
 
                                                          clients),
480
 
                                       #header=urwid.Divider(),
481
 
                                       header=None,
482
 
                                       footer=
483
 
                                       urwid.Divider(div_char=
484
 
                                                     self.divider)))
485
 
        if self.log_visible:
486
 
            self.uilist.append(self.logbox)
487
 
        self.topwidget = urwid.Pile(self.uilist)
488
 
    
489
 
    def log_message(self, message, level=1):
490
 
        """Log message formatted with timestamp"""
491
 
        if level < self.log_level:
492
 
            return
493
 
        timestamp = datetime.datetime.now().isoformat()
494
 
        self.log_message_raw("{}: {}".format(timestamp, message),
495
 
                             level=level)
496
 
    
497
 
    def log_message_raw(self, markup, level=1):
498
 
        """Add a log message to the log buffer."""
499
 
        if level < self.log_level:
500
 
            return
501
 
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
502
 
        if (self.max_log_length
503
 
            and len(self.log) > self.max_log_length):
504
 
            del self.log[0:len(self.log)-self.max_log_length-1]
505
 
        self.logbox.set_focus(len(self.logbox.body.contents),
506
 
                              coming_from="above")
507
 
        self.refresh()
508
 
    
509
 
    def toggle_log_display(self):
510
 
        """Toggle visibility of the log buffer."""
511
 
        self.log_visible = not self.log_visible
512
 
        self.rebuild()
513
 
        self.log_message("Log visibility changed to: {}"
514
 
                         .format(self.log_visible), level=0)
515
 
    
516
 
    def change_log_display(self):
517
 
        """Change type of log display.
518
 
        Currently, this toggles wrapping of text lines."""
519
 
        if self.log_wrap == "clip":
520
 
            self.log_wrap = "any"
521
 
        else:
522
 
            self.log_wrap = "clip"
523
 
        for textwidget in self.log:
524
 
            textwidget.set_wrap_mode(self.log_wrap)
525
 
        self.log_message("Wrap mode: {}".format(self.log_wrap),
526
 
                         level=0)
527
 
    
528
 
    def find_and_remove_client(self, path, name):
529
 
        """Find a client by its object path and remove it.
530
 
        
531
 
        This is connected to the ClientRemoved signal from the
532
 
        Mandos server object."""
533
 
        try:
534
 
            client = self.clients_dict[path]
535
 
        except KeyError:
536
 
            # not found?
537
 
            self.log_message("Unknown client {!r} ({!r}) removed"
538
 
                             .format(name, path))
539
 
            return
540
 
        client.delete()
541
 
    
542
 
    def add_new_client(self, path):
543
 
        client_proxy_object = self.bus.get_object(self.busname, path)
544
 
        self.add_client(MandosClientWidget(server_proxy_object
545
 
                                           =self.mandos_serv,
546
 
                                           proxy_object
547
 
                                           =client_proxy_object,
548
 
                                           update_hook
549
 
                                           =self.refresh,
550
 
                                           delete_hook
551
 
                                           =self.remove_client,
552
 
                                           logger
553
 
                                           =self.log_message),
554
 
                        path=path)
555
 
    
556
 
    def add_client(self, client, path=None):
557
 
        self.clients.append(client)
558
 
        if path is None:
559
 
            path = client.proxy.object_path
560
 
        self.clients_dict[path] = client
561
 
        self.clients.sort(key=lambda c: c.properties["Name"])
562
 
        self.refresh()
563
 
    
564
 
    def remove_client(self, client, path=None):
565
 
        self.clients.remove(client)
566
 
        if path is None:
567
 
            path = client.proxy.object_path
568
 
        del self.clients_dict[path]
569
 
        self.refresh()
570
 
    
571
 
    def refresh(self):
572
 
        """Redraw the screen"""
573
 
        canvas = self.topwidget.render(self.size, focus=True)
574
 
        self.screen.draw_screen(self.size, canvas)
575
 
    
576
 
    def run(self):
577
 
        """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
 
            if not mandos_clients:
588
 
                self.log_message_raw(("bold", "Note: Server has no clients."))
589
 
        except dbus.exceptions.DBusException:
590
 
            self.log_message_raw(("bold", "Note: No Mandos server running."))
591
 
            mandos_clients = dbus.Dictionary()
592
 
        
593
 
        (self.mandos_serv
594
 
         .connect_to_signal("ClientRemoved",
595
 
                            self.find_and_remove_client,
596
 
                            dbus_interface=server_interface,
597
 
                            byte_arrays=True))
598
 
        (self.mandos_serv
599
 
         .connect_to_signal("ClientAdded",
600
 
                            self.add_new_client,
601
 
                            dbus_interface=server_interface,
602
 
                            byte_arrays=True))
603
 
        (self.mandos_serv
604
 
         .connect_to_signal("ClientNotFound",
605
 
                            self.client_not_found,
606
 
                            dbus_interface=server_interface,
607
 
                            byte_arrays=True))
608
 
        for path, client in mandos_clients.items():
609
 
            client_proxy_object = self.bus.get_object(self.busname,
610
 
                                                      path)
611
 
            self.add_client(MandosClientWidget(server_proxy_object
612
 
                                               =self.mandos_serv,
613
 
                                               proxy_object
614
 
                                               =client_proxy_object,
615
 
                                               properties=client,
616
 
                                               update_hook
617
 
                                               =self.refresh,
618
 
                                               delete_hook
619
 
                                               =self.remove_client,
620
 
                                               logger
621
 
                                               =self.log_message),
622
 
                            path=path)
623
 
        
624
 
        self.refresh()
625
 
        self._input_callback_tag = (gobject.io_add_watch
626
 
                                    (sys.stdin.fileno(),
627
 
                                     gobject.IO_IN,
628
 
                                     self.process_input))
629
 
        self.main_loop.run()
630
 
        # Main loop has finished, we should close everything now
631
 
        gobject.source_remove(self._input_callback_tag)
632
 
        self.screen.stop()
633
 
    
634
 
    def stop(self):
635
 
        self.main_loop.quit()
636
 
    
637
 
    def process_input(self, source, condition):
638
 
        keys = self.screen.get_input()
639
 
        translations = { "ctrl n": "down",      # Emacs
640
 
                         "ctrl p": "up",        # Emacs
641
 
                         "ctrl v": "page down", # Emacs
642
 
                         "meta v": "page up",   # Emacs
643
 
                         " ": "page down",      # less
644
 
                         "f": "page down",      # less
645
 
                         "b": "page up",        # less
646
 
                         "j": "down",           # vi
647
 
                         "k": "up",             # vi
648
 
                         }
649
 
        for key in keys:
650
 
            try:
651
 
                key = translations[key]
652
 
            except KeyError:    # :-)
653
 
                pass
654
 
            
655
 
            if key == "q" or key == "Q":
656
 
                self.stop()
657
 
                break
658
 
            elif key == "window resize":
659
 
                self.size = self.screen.get_cols_rows()
660
 
                self.refresh()
661
 
            elif key == "ctrl l":
662
 
                self.screen.clear()
663
 
                self.refresh()
664
 
            elif key == "l" or key == "D":
665
 
                self.toggle_log_display()
666
 
                self.refresh()
667
 
            elif key == "w" or key == "i":
668
 
                self.change_log_display()
669
 
                self.refresh()
670
 
            elif key == "?" or key == "f1" or key == "esc":
671
 
                if not self.log_visible:
672
 
                    self.log_visible = True
673
 
                    self.rebuild()
674
 
                self.log_message_raw(("bold",
675
 
                                      "  ".
676
 
                                      join(("q: Quit",
677
 
                                            "?: Help",
678
 
                                            "l: Log window toggle",
679
 
                                            "TAB: Switch window",
680
 
                                            "w: Wrap (log lines)",
681
 
                                            "v: Toggle verbose log",
682
 
                                            ))))
683
 
                self.log_message_raw(("bold",
684
 
                                      "  "
685
 
                                      .join(("Clients:",
686
 
                                             "+: Enable",
687
 
                                             "-: Disable",
688
 
                                             "R: Remove",
689
 
                                             "s: Start new checker",
690
 
                                             "S: Stop checker",
691
 
                                             "C: Checker OK",
692
 
                                             "a: Approve",
693
 
                                             "d: Deny"))))
694
 
                self.refresh()
695
 
            elif key == "tab":
696
 
                if self.topwidget.get_focus() is self.logbox:
697
 
                    self.topwidget.set_focus(0)
698
 
                else:
699
 
                    self.topwidget.set_focus(self.logbox)
700
 
                self.refresh()
701
 
            elif key == "v":
702
 
                if self.log_level == 0:
703
 
                    self.log_level = 1
704
 
                    self.log_message("Verbose mode: Off")
705
 
                else:
706
 
                    self.log_level = 0
707
 
                    self.log_message("Verbose mode: On")
708
 
            #elif (key == "end" or key == "meta >" or key == "G"
709
 
            #      or key == ">"):
710
 
            #    pass            # xxx end-of-buffer
711
 
            #elif (key == "home" or key == "meta <" or key == "g"
712
 
            #      or key == "<"):
713
 
            #    pass            # xxx beginning-of-buffer
714
 
            #elif key == "ctrl e" or key == "$":
715
 
            #    pass            # xxx move-end-of-line
716
 
            #elif key == "ctrl a" or key == "^":
717
 
            #    pass            # xxx move-beginning-of-line
718
 
            #elif key == "ctrl b" or key == "meta (" or key == "h":
719
 
            #    pass            # xxx left
720
 
            #elif key == "ctrl f" or key == "meta )" or key == "l":
721
 
            #    pass            # xxx right
722
 
            #elif key == "a":
723
 
            #    pass            # scroll up log
724
 
            #elif key == "z":
725
 
            #    pass            # scroll down log
726
 
            elif self.topwidget.selectable():
727
 
                self.topwidget.keypress(self.size, key)
728
 
                self.refresh()
729
 
        return True
730
 
 
731
 
ui = UserInterface()
732
 
try:
733
 
    ui.run()
734
 
except KeyboardInterrupt:
735
 
    ui.screen.stop()
736
 
except Exception as e:
737
 
    ui.log_message(str(e))
738
 
    ui.screen.stop()
739
 
    raise