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  • Committer: Teddy Hogeborn
  • Date: 2016-03-19 03:51:23 UTC
  • Revision ID: teddy@recompile.se-20160319035123-53w4dbzdyjef29m1
Server: New tmpfiles.d file for persistent state directory

Provide a tmpfiles.d(5) file for systemd to create persistent state
directory on so-called "volatile" systems.

* Makefile (TMPFILES): New.
  (install-server): Also install "tmpfiles.d-mandos.conf" file as
                    "/usr/lib/tmpfiles.d/mandos.conf".
* tmpfiles.d-mandos.conf: New.

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#!/usr/bin/python3 -bb
 
1
#!/usr/bin/python
2
2
# -*- mode: python; coding: utf-8 -*-
3
 
#
 
3
4
4
# Mandos Monitor - Control and monitor the Mandos server
5
 
#
6
 
# Copyright © 2009-2019 Teddy Hogeborn
7
 
# Copyright © 2009-2019 Björn Påhlsson
8
 
#
9
 
# This file is part of Mandos.
10
 
#
11
 
# Mandos is free software: you can redistribute it and/or modify it
12
 
# under the terms of the GNU General Public License as published by
 
5
 
6
# Copyright © 2009-2016 Teddy Hogeborn
 
7
# Copyright © 2009-2016 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
13
11
# the Free Software Foundation, either version 3 of the License, or
14
12
# (at your option) any later version.
15
13
#
16
 
#     Mandos is distributed in the hope that it will be useful, but
17
 
#     WITHOUT ANY WARRANTY; without even the implied warranty of
 
14
#     This program is distributed in the hope that it will be useful,
 
15
#     but WITHOUT ANY WARRANTY; without even the implied warranty of
18
16
#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19
17
#     GNU General Public License for more details.
20
 
#
 
18
21
19
# You should have received a copy of the GNU General Public License
22
 
# along with Mandos.  If not, see <http://www.gnu.org/licenses/>.
23
 
#
 
20
# along with this program.  If not, see
 
21
# <http://www.gnu.org/licenses/>.
 
22
24
23
# Contact the authors at <mandos@recompile.se>.
25
 
#
 
24
26
25
 
27
26
from __future__ import (division, absolute_import, print_function,
28
27
                        unicode_literals)
33
32
 
34
33
import sys
35
34
import os
36
 
import warnings
 
35
 
37
36
import datetime
38
37
 
39
38
import urwid.curses_display
46
45
 
47
46
import locale
48
47
 
49
 
import logging
50
 
 
51
48
if sys.version_info.major == 2:
52
49
    str = unicode
53
50
 
54
 
log = logging.getLogger(os.path.basename(sys.argv[0]))
55
 
logging.basicConfig(level="NOTSET", # Show all messages
56
 
                    format="%(message)s") # Show basic log messages
57
 
 
58
 
logging.captureWarnings(True)   # Show warnings via the logging system
59
 
 
60
51
locale.setlocale(locale.LC_ALL, '')
61
52
 
 
53
import logging
62
54
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
63
55
 
64
56
# Some useful constants
65
57
domain = 'se.recompile'
66
58
server_interface = domain + '.Mandos'
67
59
client_interface = domain + '.Mandos.Client'
68
 
version = "1.8.9"
 
60
version = "1.7.6"
69
61
 
70
62
try:
71
63
    dbus.OBJECT_MANAGER_IFACE
72
64
except AttributeError:
73
65
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
74
66
 
75
 
 
76
67
def isoformat_to_datetime(iso):
77
68
    "Parse an ISO 8601 date string to a datetime.datetime()"
78
69
    if not iso:
86
77
                             int(day),
87
78
                             int(hour),
88
79
                             int(minute),
89
 
                             int(second),            # Whole seconds
90
 
                             int(fraction*1000000))  # Microseconds
91
 
 
 
80
                             int(second),           # Whole seconds
 
81
                             int(fraction*1000000)) # Microseconds
92
82
 
93
83
class MandosClientPropertyCache(object):
94
84
    """This wraps a Mandos Client D-Bus proxy object, caches the
96
86
    changed.
97
87
    """
98
88
    def __init__(self, proxy_object=None, properties=None, **kwargs):
99
 
        self.proxy = proxy_object  # Mandos Client proxy object
 
89
        self.proxy = proxy_object # Mandos Client proxy object
100
90
        self.properties = dict() if properties is None else properties
101
91
        self.property_changed_match = (
102
92
            self.proxy.connect_to_signal("PropertiesChanged",
103
93
                                         self.properties_changed,
104
94
                                         dbus.PROPERTIES_IFACE,
105
95
                                         byte_arrays=True))
106
 
 
 
96
        
107
97
        if properties is None:
108
 
            self.properties.update(self.proxy.GetAll(
109
 
                client_interface,
110
 
                dbus_interface=dbus.PROPERTIES_IFACE))
111
 
 
 
98
            self.properties.update(
 
99
                self.proxy.GetAll(client_interface,
 
100
                                  dbus_interface
 
101
                                  = dbus.PROPERTIES_IFACE))
 
102
        
112
103
        super(MandosClientPropertyCache, self).__init__(**kwargs)
113
 
 
 
104
    
114
105
    def properties_changed(self, interface, properties, invalidated):
115
106
        """This is called whenever we get a PropertiesChanged signal
116
107
        It updates the changed properties in the "properties" dict.
118
109
        # Update properties dict with new value
119
110
        if interface == client_interface:
120
111
            self.properties.update(properties)
121
 
 
 
112
    
122
113
    def delete(self):
123
114
        self.property_changed_match.remove()
124
115
 
126
117
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
127
118
    """A Mandos Client which is visible on the screen.
128
119
    """
129
 
 
 
120
    
130
121
    def __init__(self, server_proxy_object=None, update_hook=None,
131
 
                 delete_hook=None, **kwargs):
 
122
                 delete_hook=None, logger=None, **kwargs):
132
123
        # Called on update
133
124
        self.update_hook = update_hook
134
125
        # Called on delete
135
126
        self.delete_hook = delete_hook
136
127
        # Mandos Server proxy object
137
128
        self.server_proxy_object = server_proxy_object
138
 
 
 
129
        # Logger
 
130
        self.logger = logger
 
131
        
139
132
        self._update_timer_callback_tag = None
140
 
 
 
133
        
141
134
        # The widget shown normally
142
135
        self._text_widget = urwid.Text("")
143
136
        # The widget shown when we have focus
145
138
        super(MandosClientWidget, self).__init__(**kwargs)
146
139
        self.update()
147
140
        self.opened = False
148
 
 
 
141
        
149
142
        self.match_objects = (
150
143
            self.proxy.connect_to_signal("CheckerCompleted",
151
144
                                         self.checker_completed,
167
160
                                         self.rejected,
168
161
                                         client_interface,
169
162
                                         byte_arrays=True))
170
 
        log.debug('Created client %s', self.properties["Name"])
171
 
 
 
163
        self.logger('Created client {}'
 
164
                    .format(self.properties["Name"]), level=0)
 
165
    
172
166
    def using_timer(self, flag):
173
167
        """Call this method with True or False when timer should be
174
168
        activated or deactivated.
175
169
        """
176
170
        if flag and self._update_timer_callback_tag is None:
177
171
            # Will update the shown timer value every second
178
 
            self._update_timer_callback_tag = (
179
 
                GLib.timeout_add(1000,
180
 
                                 glib_safely(self.update_timer)))
 
172
            self._update_timer_callback_tag = (GLib.timeout_add
 
173
                                               (1000,
 
174
                                                self.update_timer))
181
175
        elif not (flag or self._update_timer_callback_tag is None):
182
176
            GLib.source_remove(self._update_timer_callback_tag)
183
177
            self._update_timer_callback_tag = None
184
 
 
 
178
    
185
179
    def checker_completed(self, exitstatus, condition, command):
186
180
        if exitstatus == 0:
187
 
            log.debug('Checker for client %s (command "%s")'
188
 
                      ' succeeded', self.properties["Name"], command)
 
181
            self.logger('Checker for client {} (command "{}")'
 
182
                        ' succeeded'.format(self.properties["Name"],
 
183
                                            command), level=0)
189
184
            self.update()
190
185
            return
191
186
        # Checker failed
192
187
        if os.WIFEXITED(condition):
193
 
            log.info('Checker for client %s (command "%s") failed'
194
 
                     ' with exit code %d', self.properties["Name"],
195
 
                     command, os.WEXITSTATUS(condition))
 
188
            self.logger('Checker for client {} (command "{}") failed'
 
189
                        ' with exit code {}'
 
190
                        .format(self.properties["Name"], command,
 
191
                                os.WEXITSTATUS(condition)))
196
192
        elif os.WIFSIGNALED(condition):
197
 
            log.info('Checker for client %s (command "%s") was'
198
 
                     ' killed by signal %d', self.properties["Name"],
199
 
                     command, os.WTERMSIG(condition))
 
193
            self.logger('Checker for client {} (command "{}") was'
 
194
                        ' killed by signal {}'
 
195
                        .format(self.properties["Name"], command,
 
196
                                os.WTERMSIG(condition)))
200
197
        self.update()
201
 
 
 
198
    
202
199
    def checker_started(self, command):
203
200
        """Server signals that a checker started."""
204
 
        log.debug('Client %s started checker "%s"',
205
 
                  self.properties["Name"], command)
206
 
 
 
201
        self.logger('Client {} started checker "{}"'
 
202
                    .format(self.properties["Name"],
 
203
                            command), level=0)
 
204
    
207
205
    def got_secret(self):
208
 
        log.info("Client %s received its secret",
209
 
                 self.properties["Name"])
210
 
 
 
206
        self.logger('Client {} received its secret'
 
207
                    .format(self.properties["Name"]))
 
208
    
211
209
    def need_approval(self, timeout, default):
212
210
        if not default:
213
 
            message = "Client %s needs approval within %f seconds"
 
211
            message = 'Client {} needs approval within {} seconds'
214
212
        else:
215
 
            message = "Client %s will get its secret in %f seconds"
216
 
        log.info(message, self.properties["Name"], timeout/1000)
217
 
 
 
213
            message = 'Client {} will get its secret in {} seconds'
 
214
        self.logger(message.format(self.properties["Name"],
 
215
                                   timeout/1000))
 
216
    
218
217
    def rejected(self, reason):
219
 
        log.info("Client %s was rejected; reason: %s",
220
 
                 self.properties["Name"], reason)
221
 
 
 
218
        self.logger('Client {} was rejected; reason: {}'
 
219
                    .format(self.properties["Name"], reason))
 
220
    
222
221
    def selectable(self):
223
222
        """Make this a "selectable" widget.
224
223
        This overrides the method from urwid.FlowWidget."""
225
224
        return True
226
 
 
 
225
    
227
226
    def rows(self, maxcolrow, focus=False):
228
227
        """How many rows this widget will occupy might depend on
229
228
        whether we have focus or not.
230
229
        This overrides the method from urwid.FlowWidget"""
231
230
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
232
 
 
 
231
    
233
232
    def current_widget(self, focus=False):
234
233
        if focus or self.opened:
235
234
            return self._focus_widget
236
235
        return self._widget
237
 
 
 
236
    
238
237
    def update(self):
239
238
        "Called when what is visible on the screen should be updated."
240
239
        # How to add standout mode to a style
241
 
        with_standout = {"normal": "standout",
242
 
                         "bold": "bold-standout",
243
 
                         "underline-blink":
244
 
                         "underline-blink-standout",
245
 
                         "bold-underline-blink":
246
 
                         "bold-underline-blink-standout",
247
 
                         }
248
 
 
 
240
        with_standout = { "normal": "standout",
 
241
                          "bold": "bold-standout",
 
242
                          "underline-blink":
 
243
                              "underline-blink-standout",
 
244
                          "bold-underline-blink":
 
245
                              "bold-underline-blink-standout",
 
246
                          }
 
247
        
249
248
        # Rebuild focus and non-focus widgets using current properties
250
 
 
 
249
        
251
250
        # Base part of a client. Name!
252
251
        base = '{name}: '.format(name=self.properties["Name"])
253
252
        if not self.properties["Enabled"]:
254
253
            message = "DISABLED"
255
254
            self.using_timer(False)
256
255
        elif self.properties["ApprovalPending"]:
257
 
            timeout = datetime.timedelta(
258
 
                milliseconds=self.properties["ApprovalDelay"])
 
256
            timeout = datetime.timedelta(milliseconds
 
257
                                         = self.properties
 
258
                                         ["ApprovalDelay"])
259
259
            last_approval_request = isoformat_to_datetime(
260
260
                self.properties["LastApprovalRequest"])
261
261
            if last_approval_request is not None:
288
288
            message = "enabled"
289
289
            self.using_timer(False)
290
290
        self._text = "{}{}".format(base, message)
291
 
 
 
291
        
292
292
        if not urwid.supports_unicode():
293
293
            self._text = self._text.encode("ascii", "replace")
294
294
        textlist = [("normal", self._text)]
304
304
        # Run update hook, if any
305
305
        if self.update_hook is not None:
306
306
            self.update_hook()
307
 
 
 
307
    
308
308
    def update_timer(self):
309
309
        """called by GLib. Will indefinitely loop until
310
310
        GLib.source_remove() on tag is called
311
311
        """
312
312
        self.update()
313
313
        return True             # Keep calling this
314
 
 
 
314
    
315
315
    def delete(self, **kwargs):
316
316
        if self._update_timer_callback_tag is not None:
317
317
            GLib.source_remove(self._update_timer_callback_tag)
322
322
        if self.delete_hook is not None:
323
323
            self.delete_hook(self)
324
324
        return super(MandosClientWidget, self).delete(**kwargs)
325
 
 
 
325
    
326
326
    def render(self, maxcolrow, focus=False):
327
327
        """Render differently if we have focus.
328
328
        This overrides the method from urwid.FlowWidget"""
329
329
        return self.current_widget(focus).render(maxcolrow,
330
330
                                                 focus=focus)
331
 
 
 
331
    
332
332
    def keypress(self, maxcolrow, key):
333
333
        """Handle keys.
334
334
        This overrides the method from urwid.FlowWidget"""
335
335
        if key == "+":
336
336
            self.proxy.Set(client_interface, "Enabled",
337
 
                           dbus.Boolean(True), ignore_reply=True,
338
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
337
                           dbus.Boolean(True), ignore_reply = True,
 
338
                           dbus_interface = dbus.PROPERTIES_IFACE)
339
339
        elif key == "-":
340
340
            self.proxy.Set(client_interface, "Enabled", False,
341
 
                           ignore_reply=True,
342
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
341
                           ignore_reply = True,
 
342
                           dbus_interface = dbus.PROPERTIES_IFACE)
343
343
        elif key == "a":
344
344
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
345
 
                               dbus_interface=client_interface,
 
345
                               dbus_interface = client_interface,
346
346
                               ignore_reply=True)
347
347
        elif key == "d":
348
348
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
349
 
                               dbus_interface=client_interface,
 
349
                                  dbus_interface = client_interface,
350
350
                               ignore_reply=True)
351
351
        elif key == "R" or key == "_" or key == "ctrl k":
352
352
            self.server_proxy_object.RemoveClient(self.proxy
354
354
                                                  ignore_reply=True)
355
355
        elif key == "s":
356
356
            self.proxy.Set(client_interface, "CheckerRunning",
357
 
                           dbus.Boolean(True), ignore_reply=True,
358
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
357
                           dbus.Boolean(True), ignore_reply = True,
 
358
                           dbus_interface = dbus.PROPERTIES_IFACE)
359
359
        elif key == "S":
360
360
            self.proxy.Set(client_interface, "CheckerRunning",
361
 
                           dbus.Boolean(False), ignore_reply=True,
362
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
361
                           dbus.Boolean(False), ignore_reply = True,
 
362
                           dbus_interface = dbus.PROPERTIES_IFACE)
363
363
        elif key == "C":
364
 
            self.proxy.CheckedOK(dbus_interface=client_interface,
 
364
            self.proxy.CheckedOK(dbus_interface = client_interface,
365
365
                                 ignore_reply=True)
366
366
        # xxx
367
367
#         elif key == "p" or key == "=":
372
372
#             self.open()
373
373
        else:
374
374
            return key
375
 
 
 
375
    
376
376
    def properties_changed(self, interface, properties, invalidated):
377
377
        """Call self.update() if any properties changed.
378
378
        This overrides the method from MandosClientPropertyCache"""
379
 
        old_values = {key: self.properties.get(key)
380
 
                      for key in properties.keys()}
 
379
        old_values = { key: self.properties.get(key)
 
380
                       for key in properties.keys() }
381
381
        super(MandosClientWidget, self).properties_changed(
382
382
            interface, properties, invalidated)
383
383
        if any(old_values[key] != self.properties.get(key)
385
385
            self.update()
386
386
 
387
387
 
388
 
def glib_safely(func, retval=True):
389
 
    def safe_func(*args, **kwargs):
390
 
        try:
391
 
            return func(*args, **kwargs)
392
 
        except Exception:
393
 
            log.exception("")
394
 
            return retval
395
 
    return safe_func
396
 
 
397
 
 
398
388
class ConstrainedListBox(urwid.ListBox):
399
389
    """Like a normal urwid.ListBox, but will consume all "up" or
400
390
    "down" key presses, thus not allowing any containing widgets to
401
391
    use them as an excuse to shift focus away from this widget.
402
392
    """
403
393
    def keypress(self, *args, **kwargs):
404
 
        ret = (super(ConstrainedListBox, self)
405
 
               .keypress(*args, **kwargs))
 
394
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
406
395
        if ret in ("up", "down"):
407
396
            return
408
397
        return ret
412
401
    """This is the entire user interface - the whole screen
413
402
    with boxes, lists of client widgets, etc.
414
403
    """
415
 
    def __init__(self, max_log_length=1000):
 
404
    def __init__(self, max_log_length=1000, log_level=1):
416
405
        DBusGMainLoop(set_as_default=True)
417
 
 
 
406
        
418
407
        self.screen = urwid.curses_display.Screen()
419
 
 
 
408
        
420
409
        self.screen.register_palette((
421
410
                ("normal",
422
411
                 "default", "default", None),
427
416
                ("standout",
428
417
                 "standout", "default", "standout"),
429
418
                ("bold-underline-blink",
430
 
                 "bold,underline,blink", "default",
431
 
                 "bold,underline,blink"),
 
419
                 "bold,underline,blink", "default", "bold,underline,blink"),
432
420
                ("bold-standout",
433
421
                 "bold,standout", "default", "bold,standout"),
434
422
                ("underline-blink-standout",
438
426
                 "bold,underline,blink,standout", "default",
439
427
                 "bold,underline,blink,standout"),
440
428
                ))
441
 
 
 
429
        
442
430
        if urwid.supports_unicode():
443
 
            self.divider = "─"  # \u2500
 
431
            self.divider = "─" # \u2500
 
432
            #self.divider = "━" # \u2501
444
433
        else:
445
 
            self.divider = "_"  # \u005f
446
 
 
 
434
            #self.divider = "-" # \u002d
 
435
            self.divider = "_" # \u005f
 
436
        
447
437
        self.screen.start()
448
 
 
 
438
        
449
439
        self.size = self.screen.get_cols_rows()
450
 
 
 
440
        
451
441
        self.clients = urwid.SimpleListWalker([])
452
442
        self.clients_dict = {}
453
 
 
 
443
        
454
444
        # We will add Text widgets to this list
455
 
        self.log = urwid.SimpleListWalker([])
 
445
        self.log = []
456
446
        self.max_log_length = max_log_length
457
 
 
 
447
        
 
448
        self.log_level = log_level
 
449
        
458
450
        # We keep a reference to the log widget so we can remove it
459
451
        # from the ListWalker without it getting destroyed
460
452
        self.logbox = ConstrainedListBox(self.log)
461
 
 
 
453
        
462
454
        # This keeps track of whether self.uilist currently has
463
455
        # self.logbox in it or not
464
456
        self.log_visible = True
465
457
        self.log_wrap = "any"
466
 
 
467
 
        self.loghandler = UILogHandler(self)
468
 
 
 
458
        
469
459
        self.rebuild()
470
 
        self.add_log_line(("bold",
471
 
                           "Mandos Monitor version " + version))
472
 
        self.add_log_line(("bold", "q: Quit  ?: Help"))
473
 
 
 
460
        self.log_message_raw(("bold",
 
461
                              "Mandos Monitor version " + version))
 
462
        self.log_message_raw(("bold",
 
463
                              "q: Quit  ?: Help"))
 
464
        
474
465
        self.busname = domain + '.Mandos'
475
466
        self.main_loop = GLib.MainLoop()
476
 
 
477
 
    def client_not_found(self, key_id, address):
478
 
        log.info("Client with address %s and key ID %s could"
479
 
                 " not be found", address, key_id)
480
 
 
 
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
    
481
473
    def rebuild(self):
482
474
        """This rebuilds the User Interface.
483
475
        Call this when the widget layout needs to change"""
484
476
        self.uilist = []
485
 
        # self.uilist.append(urwid.ListBox(self.clients))
 
477
        #self.uilist.append(urwid.ListBox(self.clients))
486
478
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
487
479
                                                          clients),
488
 
                                       # header=urwid.Divider(),
 
480
                                       #header=urwid.Divider(),
489
481
                                       header=None,
490
 
                                       footer=urwid.Divider(
491
 
                                           div_char=self.divider)))
 
482
                                       footer=
 
483
                                       urwid.Divider(div_char=
 
484
                                                     self.divider)))
492
485
        if self.log_visible:
493
486
            self.uilist.append(self.logbox)
494
487
        self.topwidget = urwid.Pile(self.uilist)
495
 
 
496
 
    def add_log_line(self, markup):
 
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
497
501
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
498
 
        if self.max_log_length:
499
 
            if len(self.log) > self.max_log_length:
500
 
                del self.log[0:(len(self.log) - self.max_log_length)]
501
 
        self.logbox.set_focus(len(self.logbox.body.contents)-1,
 
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),
502
506
                              coming_from="above")
503
507
        self.refresh()
504
 
 
 
508
    
505
509
    def toggle_log_display(self):
506
510
        """Toggle visibility of the log buffer."""
507
511
        self.log_visible = not self.log_visible
508
512
        self.rebuild()
509
 
        log.debug("Log visibility changed to: %s", self.log_visible)
510
 
 
 
513
        self.log_message("Log visibility changed to: {}"
 
514
                         .format(self.log_visible), level=0)
 
515
    
511
516
    def change_log_display(self):
512
517
        """Change type of log display.
513
518
        Currently, this toggles wrapping of text lines."""
517
522
            self.log_wrap = "clip"
518
523
        for textwidget in self.log:
519
524
            textwidget.set_wrap_mode(self.log_wrap)
520
 
        log.debug("Wrap mode: %s", self.log_wrap)
521
 
 
 
525
        self.log_message("Wrap mode: {}".format(self.log_wrap),
 
526
                         level=0)
 
527
    
522
528
    def find_and_remove_client(self, path, interfaces):
523
529
        """Find a client by its object path and remove it.
524
 
 
 
530
        
525
531
        This is connected to the InterfacesRemoved signal from the
526
532
        Mandos server object."""
527
533
        if client_interface not in interfaces:
531
537
            client = self.clients_dict[path]
532
538
        except KeyError:
533
539
            # not found?
534
 
            log.warning("Unknown client %s removed", path)
 
540
            self.log_message("Unknown client {!r} removed"
 
541
                             .format(path))
535
542
            return
536
543
        client.delete()
537
 
 
 
544
    
538
545
    def add_new_client(self, path, ifs_and_props):
539
546
        """Find a client by its object path and remove it.
540
 
 
 
547
        
541
548
        This is connected to the InterfacesAdded signal from the
542
549
        Mandos server object.
543
550
        """
545
552
            # Not a Mandos client object; ignore
546
553
            return
547
554
        client_proxy_object = self.bus.get_object(self.busname, path)
548
 
        self.add_client(MandosClientWidget(
549
 
            server_proxy_object=self.mandos_serv,
550
 
            proxy_object=client_proxy_object,
551
 
            update_hook=self.refresh,
552
 
            delete_hook=self.remove_client,
553
 
            properties=dict(ifs_and_props[client_interface])),
 
555
        self.add_client(MandosClientWidget(server_proxy_object
 
556
                                           =self.mandos_serv,
 
557
                                           proxy_object
 
558
                                           =client_proxy_object,
 
559
                                           update_hook
 
560
                                           =self.refresh,
 
561
                                           delete_hook
 
562
                                           =self.remove_client,
 
563
                                           logger
 
564
                                           =self.log_message,
 
565
                                           properties
 
566
                                           = dict(ifs_and_props[
 
567
                                               client_interface])),
554
568
                        path=path)
555
 
 
 
569
    
556
570
    def add_client(self, client, path=None):
557
571
        self.clients.append(client)
558
572
        if path is None:
560
574
        self.clients_dict[path] = client
561
575
        self.clients.sort(key=lambda c: c.properties["Name"])
562
576
        self.refresh()
563
 
 
 
577
    
564
578
    def remove_client(self, client, path=None):
565
579
        self.clients.remove(client)
566
580
        if path is None:
567
581
            path = client.proxy.object_path
568
582
        del self.clients_dict[path]
569
583
        self.refresh()
570
 
 
 
584
    
571
585
    def refresh(self):
572
586
        """Redraw the screen"""
573
587
        canvas = self.topwidget.render(self.size, focus=True)
574
588
        self.screen.draw_screen(self.size, canvas)
575
 
 
 
589
    
576
590
    def run(self):
577
591
        """Start the main loop and exit when it's done."""
578
 
        log.addHandler(self.loghandler)
579
 
        self.orig_log_propagate = log.propagate
580
 
        log.propagate = False
581
 
        self.orig_log_level = log.level
582
 
        log.setLevel("INFO")
583
592
        self.bus = dbus.SystemBus()
584
593
        mandos_dbus_objc = self.bus.get_object(
585
594
            self.busname, "/", follow_name_owner_changes=True)
586
 
        self.mandos_serv = dbus.Interface(
587
 
            mandos_dbus_objc, dbus_interface=server_interface)
 
595
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
596
                                          dbus_interface
 
597
                                          = server_interface)
588
598
        try:
589
599
            mandos_clients = (self.mandos_serv
590
600
                              .GetAllClientsWithProperties())
591
601
            if not mandos_clients:
592
 
                log.warning("Note: Server has no clients.")
 
602
                self.log_message_raw(("bold", "Note: Server has no clients."))
593
603
        except dbus.exceptions.DBusException:
594
 
            log.warning("Note: No Mandos server running.")
 
604
            self.log_message_raw(("bold", "Note: No Mandos server running."))
595
605
            mandos_clients = dbus.Dictionary()
596
 
 
 
606
        
597
607
        (self.mandos_serv
598
608
         .connect_to_signal("InterfacesRemoved",
599
609
                            self.find_and_remove_client,
600
 
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
610
                            dbus_interface
 
611
                            = dbus.OBJECT_MANAGER_IFACE,
601
612
                            byte_arrays=True))
602
613
        (self.mandos_serv
603
614
         .connect_to_signal("InterfacesAdded",
604
615
                            self.add_new_client,
605
 
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
616
                            dbus_interface
 
617
                            = dbus.OBJECT_MANAGER_IFACE,
606
618
                            byte_arrays=True))
607
619
        (self.mandos_serv
608
620
         .connect_to_signal("ClientNotFound",
612
624
        for path, client in mandos_clients.items():
613
625
            client_proxy_object = self.bus.get_object(self.busname,
614
626
                                                      path)
615
 
            self.add_client(MandosClientWidget(
616
 
                server_proxy_object=self.mandos_serv,
617
 
                proxy_object=client_proxy_object,
618
 
                properties=client,
619
 
                update_hook=self.refresh,
620
 
                delete_hook=self.remove_client),
 
627
            self.add_client(MandosClientWidget(server_proxy_object
 
628
                                               =self.mandos_serv,
 
629
                                               proxy_object
 
630
                                               =client_proxy_object,
 
631
                                               properties=client,
 
632
                                               update_hook
 
633
                                               =self.refresh,
 
634
                                               delete_hook
 
635
                                               =self.remove_client,
 
636
                                               logger
 
637
                                               =self.log_message),
621
638
                            path=path)
622
 
 
 
639
        
623
640
        self.refresh()
624
 
        self._input_callback_tag = (
625
 
            GLib.io_add_watch(
626
 
                GLib.IOChannel.unix_new(sys.stdin.fileno()),
627
 
                GLib.PRIORITY_DEFAULT, GLib.IO_IN,
628
 
                glib_safely(self.process_input)))
 
641
        self._input_callback_tag = (GLib.io_add_watch
 
642
                                    (sys.stdin.fileno(),
 
643
                                     GLib.IO_IN,
 
644
                                     self.process_input))
629
645
        self.main_loop.run()
630
646
        # Main loop has finished, we should close everything now
631
647
        GLib.source_remove(self._input_callback_tag)
632
 
        with warnings.catch_warnings():
633
 
            warnings.simplefilter("ignore", BytesWarning)
634
 
            self.screen.stop()
635
 
 
 
648
        self.screen.stop()
 
649
    
636
650
    def stop(self):
637
651
        self.main_loop.quit()
638
 
        log.removeHandler(self.loghandler)
639
 
        log.propagate = self.orig_log_propagate
640
 
 
 
652
    
641
653
    def process_input(self, source, condition):
642
654
        keys = self.screen.get_input()
643
 
        translations = {"ctrl n": "down",       # Emacs
644
 
                        "ctrl p": "up",         # Emacs
645
 
                        "ctrl v": "page down",  # Emacs
646
 
                        "meta v": "page up",    # Emacs
647
 
                        " ": "page down",       # less
648
 
                        "f": "page down",       # less
649
 
                        "b": "page up",         # less
650
 
                        "j": "down",            # vi
651
 
                        "k": "up",              # vi
652
 
                        }
 
655
        translations = { "ctrl n": "down",      # Emacs
 
656
                         "ctrl p": "up",        # Emacs
 
657
                         "ctrl v": "page down", # Emacs
 
658
                         "meta v": "page up",   # Emacs
 
659
                         " ": "page down",      # less
 
660
                         "f": "page down",      # less
 
661
                         "b": "page up",        # less
 
662
                         "j": "down",           # vi
 
663
                         "k": "up",             # vi
 
664
                         }
653
665
        for key in keys:
654
666
            try:
655
667
                key = translations[key]
656
668
            except KeyError:    # :-)
657
669
                pass
658
 
 
 
670
            
659
671
            if key == "q" or key == "Q":
660
672
                self.stop()
661
673
                break
675
687
                if not self.log_visible:
676
688
                    self.log_visible = True
677
689
                    self.rebuild()
678
 
                self.add_log_line(("bold",
679
 
                                   "  ".join(("q: Quit",
680
 
                                              "?: Help",
681
 
                                              "l: Log window toggle",
682
 
                                              "TAB: Switch window",
683
 
                                              "w: Wrap (log lines)",
684
 
                                              "v: Toggle verbose log",
685
 
                                   ))))
686
 
                self.add_log_line(("bold",
687
 
                                   "  ".join(("Clients:",
688
 
                                              "+: Enable",
689
 
                                              "-: Disable",
690
 
                                              "R: Remove",
691
 
                                              "s: Start new checker",
692
 
                                              "S: Stop checker",
693
 
                                              "C: Checker OK",
694
 
                                              "a: Approve",
695
 
                                              "d: Deny",
696
 
                                   ))))
 
690
                self.log_message_raw(("bold",
 
691
                                      "  ".
 
692
                                      join(("q: Quit",
 
693
                                            "?: Help",
 
694
                                            "l: Log window toggle",
 
695
                                            "TAB: Switch window",
 
696
                                            "w: Wrap (log lines)",
 
697
                                            "v: Toggle verbose log",
 
698
                                            ))))
 
699
                self.log_message_raw(("bold",
 
700
                                      "  "
 
701
                                      .join(("Clients:",
 
702
                                             "+: Enable",
 
703
                                             "-: Disable",
 
704
                                             "R: Remove",
 
705
                                             "s: Start new checker",
 
706
                                             "S: Stop checker",
 
707
                                             "C: Checker OK",
 
708
                                             "a: Approve",
 
709
                                             "d: Deny"))))
697
710
                self.refresh()
698
711
            elif key == "tab":
699
712
                if self.topwidget.get_focus() is self.logbox:
702
715
                    self.topwidget.set_focus(self.logbox)
703
716
                self.refresh()
704
717
            elif key == "v":
705
 
                if log.level < logging.INFO:
706
 
                    log.setLevel(logging.INFO)
707
 
                    log.info("Verbose mode: Off")
 
718
                if self.log_level == 0:
 
719
                    self.log_level = 1
 
720
                    self.log_message("Verbose mode: Off")
708
721
                else:
709
 
                    log.setLevel(logging.NOTSET)
710
 
                    log.info("Verbose mode: On")
711
 
            # elif (key == "end" or key == "meta >" or key == "G"
712
 
            #       or key == ">"):
713
 
            #     pass            # xxx end-of-buffer
714
 
            # elif (key == "home" or key == "meta <" or key == "g"
715
 
            #       or key == "<"):
716
 
            #     pass            # xxx beginning-of-buffer
717
 
            # elif key == "ctrl e" or key == "$":
718
 
            #     pass            # xxx move-end-of-line
719
 
            # elif key == "ctrl a" or key == "^":
720
 
            #     pass            # xxx move-beginning-of-line
721
 
            # elif key == "ctrl b" or key == "meta (" or key == "h":
722
 
            #     pass            # xxx left
723
 
            # elif key == "ctrl f" or key == "meta )" or key == "l":
724
 
            #     pass            # xxx right
725
 
            # elif key == "a":
726
 
            #     pass            # scroll up log
727
 
            # elif key == "z":
728
 
            #     pass            # scroll down log
 
722
                    self.log_level = 0
 
723
                    self.log_message("Verbose mode: On")
 
724
            #elif (key == "end" or key == "meta >" or key == "G"
 
725
            #      or key == ">"):
 
726
            #    pass            # xxx end-of-buffer
 
727
            #elif (key == "home" or key == "meta <" or key == "g"
 
728
            #      or key == "<"):
 
729
            #    pass            # xxx beginning-of-buffer
 
730
            #elif key == "ctrl e" or key == "$":
 
731
            #    pass            # xxx move-end-of-line
 
732
            #elif key == "ctrl a" or key == "^":
 
733
            #    pass            # xxx move-beginning-of-line
 
734
            #elif key == "ctrl b" or key == "meta (" or key == "h":
 
735
            #    pass            # xxx left
 
736
            #elif key == "ctrl f" or key == "meta )" or key == "l":
 
737
            #    pass            # xxx right
 
738
            #elif key == "a":
 
739
            #    pass            # scroll up log
 
740
            #elif key == "z":
 
741
            #    pass            # scroll down log
729
742
            elif self.topwidget.selectable():
730
743
                self.topwidget.keypress(self.size, key)
731
744
                self.refresh()
732
745
        return True
733
746
 
734
 
 
735
 
class UILogHandler(logging.Handler):
736
 
    def __init__(self, ui, *args, **kwargs):
737
 
        self.ui = ui
738
 
        super(UILogHandler, self).__init__(*args, **kwargs)
739
 
        self.setFormatter(
740
 
            logging.Formatter("%(asctime)s: %(message)s"))
741
 
    def emit(self, record):
742
 
        msg = self.format(record)
743
 
        if record.levelno > logging.INFO:
744
 
            msg = ("bold", msg)
745
 
        self.ui.add_log_line(msg)
746
 
 
747
 
 
748
747
ui = UserInterface()
749
748
try:
750
749
    ui.run()
751
750
except KeyboardInterrupt:
752
 
    with warnings.catch_warnings():
753
 
        warnings.filterwarnings("ignore", "", BytesWarning)
754
 
        ui.screen.stop()
755
 
except Exception:
756
 
    with warnings.catch_warnings():
757
 
        warnings.filterwarnings("ignore", "", BytesWarning)
758
 
        ui.screen.stop()
 
751
    ui.screen.stop()
 
752
except Exception as e:
 
753
    ui.log_message(str(e))
 
754
    ui.screen.stop()
759
755
    raise