/mandos/trunk

To get this branch, use:
bzr branch http://bzr.recompile.se/loggerhead/mandos/trunk

« back to all changes in this revision

Viewing changes to mandos-monitor

  • Committer: Teddy Hogeborn
  • Author(s): gregor herrmann
  • Date: 2012-02-21 21:20:12 UTC
  • mto: (237.4.29 release)
  • mto: This revision was merged to the branch mainline in revision 560.
  • Revision ID: teddy@recompile.se-20120221212012-vrbd180yikwm0qdv
http://bugs.debian.org/656178
* debian/changelog (1.5.3-1.1): New entry.
* debian/control (Source: mandos/Build-Depends): Added "locales-all".
* debian/rules (build-arch-stamp, build-indep-stamp): Add
                                                      LC_ALL=en_US.utf8
                                                      to
                                                      "dh_auto_build"
                                                      invocation.

Show diffs side-by-side

added added

removed removed

Lines of Context:
mandos-monitor
1
 
#!/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 © 2009-2012 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
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 <http://www.gnu.org/licenses/>.
 
21
# 
24
22
# Contact the authors at <mandos@recompile.se>.
25
 
#
 
23
# 
26
24
 
27
25
from __future__ import (division, absolute_import, print_function,
28
26
                        unicode_literals)
29
 
try:
30
 
    from future_builtins import *
31
 
except ImportError:
32
 
    pass
33
27
 
34
28
import sys
35
29
import os
36
 
import warnings
 
30
import signal
 
31
 
37
32
import datetime
38
33
 
39
34
import urwid.curses_display
40
35
import urwid
41
36
 
42
37
from dbus.mainloop.glib import DBusGMainLoop
43
 
from gi.repository import GLib
 
38
import gobject
44
39
 
45
40
import dbus
46
41
 
 
42
import UserList
 
43
 
47
44
import locale
48
45
 
 
46
locale.setlocale(locale.LC_ALL, '')
 
47
 
49
48
import logging
50
 
 
51
 
if sys.version_info.major == 2:
52
 
    str = unicode
53
 
 
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
 
locale.setlocale(locale.LC_ALL, '')
61
 
 
62
49
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
63
50
 
64
51
# Some useful constants
65
52
domain = 'se.recompile'
66
53
server_interface = domain + '.Mandos'
67
54
client_interface = domain + '.Mandos.Client'
68
 
version = "1.8.9"
69
 
 
70
 
try:
71
 
    dbus.OBJECT_MANAGER_IFACE
72
 
except AttributeError:
73
 
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
74
 
 
 
55
version = "1.5.3"
 
56
 
 
57
# Always run in monochrome mode
 
58
urwid.curses_display.curses.has_colors = lambda : False
 
59
 
 
60
# Urwid doesn't support blinking, but we want it.  Since we have no
 
61
# use for underline on its own, we make underline also always blink.
 
62
urwid.curses_display.curses.A_UNDERLINE |= (
 
63
    urwid.curses_display.curses.A_BLINK)
75
64
 
76
65
def isoformat_to_datetime(iso):
77
66
    "Parse an ISO 8601 date string to a datetime.datetime()"
86
75
                             int(day),
87
76
                             int(hour),
88
77
                             int(minute),
89
 
                             int(second),            # Whole seconds
90
 
                             int(fraction*1000000))  # Microseconds
91
 
 
 
78
                             int(second),           # Whole seconds
 
79
                             int(fraction*1000000)) # Microseconds
92
80
 
93
81
class MandosClientPropertyCache(object):
94
82
    """This wraps a Mandos Client D-Bus proxy object, caches the
95
83
    properties and calls a hook function when any of them are
96
84
    changed.
97
85
    """
98
 
    def __init__(self, proxy_object=None, properties=None, **kwargs):
99
 
        self.proxy = proxy_object  # Mandos Client proxy object
100
 
        self.properties = dict() if properties is None else properties
 
86
    def __init__(self, proxy_object=None, *args, **kwargs):
 
87
        self.proxy = proxy_object # Mandos Client proxy object
 
88
        
 
89
        self.properties = dict()
101
90
        self.property_changed_match = (
102
 
            self.proxy.connect_to_signal("PropertiesChanged",
103
 
                                         self.properties_changed,
104
 
                                         dbus.PROPERTIES_IFACE,
 
91
            self.proxy.connect_to_signal("PropertyChanged",
 
92
                                         self.property_changed,
 
93
                                         client_interface,
105
94
                                         byte_arrays=True))
106
 
 
107
 
        if properties is None:
108
 
            self.properties.update(self.proxy.GetAll(
109
 
                client_interface,
110
 
                dbus_interface=dbus.PROPERTIES_IFACE))
111
 
 
112
 
        super(MandosClientPropertyCache, self).__init__(**kwargs)
113
 
 
114
 
    def properties_changed(self, interface, properties, invalidated):
115
 
        """This is called whenever we get a PropertiesChanged signal
116
 
        It updates the changed properties in the "properties" dict.
 
95
        
 
96
        self.properties.update(
 
97
            self.proxy.GetAll(client_interface,
 
98
                              dbus_interface = dbus.PROPERTIES_IFACE))
 
99
 
 
100
        #XXX This breaks good super behaviour
 
101
#        super(MandosClientPropertyCache, self).__init__(
 
102
#            *args, **kwargs)
 
103
    
 
104
    def property_changed(self, property=None, value=None):
 
105
        """This is called whenever we get a PropertyChanged signal
 
106
        It updates the changed property in the "properties" dict.
117
107
        """
118
108
        # Update properties dict with new value
119
 
        if interface == client_interface:
120
 
            self.properties.update(properties)
121
 
 
122
 
    def delete(self):
 
109
        self.properties[property] = value
 
110
    
 
111
    def delete(self, *args, **kwargs):
123
112
        self.property_changed_match.remove()
 
113
        super(MandosClientPropertyCache, self).__init__(
 
114
            *args, **kwargs)
124
115
 
125
116
 
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, *args, **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
        self._update_timer_callback_lock = 0
 
134
        
141
135
        # The widget shown normally
142
136
        self._text_widget = urwid.Text("")
143
137
        # The widget shown when we have focus
144
138
        self._focus_text_widget = urwid.Text("")
145
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
139
        super(MandosClientWidget, self).__init__(
 
140
            update_hook=update_hook, delete_hook=delete_hook,
 
141
            *args, **kwargs)
146
142
        self.update()
147
143
        self.opened = False
148
 
 
 
144
        
 
145
        last_checked_ok = isoformat_to_datetime(self.properties
 
146
                                                ["LastCheckedOK"])
 
147
        
 
148
        if self.properties ["LastCheckerStatus"] != 0:
 
149
            self.using_timer(True)
 
150
        
 
151
        if self.need_approval:
 
152
            self.using_timer(True)
 
153
        
149
154
        self.match_objects = (
150
155
            self.proxy.connect_to_signal("CheckerCompleted",
151
156
                                         self.checker_completed,
167
172
                                         self.rejected,
168
173
                                         client_interface,
169
174
                                         byte_arrays=True))
170
 
        log.debug('Created client %s', self.properties["Name"])
171
 
 
 
175
        #self.logger('Created client %s' % (self.properties["Name"]))
 
176
    
 
177
    def property_changed(self, property=None, value=None):
 
178
        super(self, MandosClientWidget).property_changed(property,
 
179
                                                         value)
 
180
        if property == "ApprovalPending":
 
181
            using_timer(bool(value))
 
182
        if property == "LastCheckerStatus":
 
183
            using_timer(value != 0)
 
184
            #self.logger('Checker for client %s (command "%s")'
 
185
            #            ' was successful'
 
186
            #            % (self.properties["Name"], command))
 
187
    
172
188
    def using_timer(self, flag):
173
189
        """Call this method with True or False when timer should be
174
190
        activated or deactivated.
175
191
        """
176
 
        if flag and self._update_timer_callback_tag is None:
 
192
        old = self._update_timer_callback_lock
 
193
        if flag:
 
194
            self._update_timer_callback_lock += 1
 
195
        else:
 
196
            self._update_timer_callback_lock -= 1
 
197
        if old == 0 and self._update_timer_callback_lock:
177
198
            # 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)))
181
 
        elif not (flag or self._update_timer_callback_tag is None):
182
 
            GLib.source_remove(self._update_timer_callback_tag)
 
199
            self._update_timer_callback_tag = (gobject.timeout_add
 
200
                                               (1000,
 
201
                                                self.update_timer))
 
202
        elif old and self._update_timer_callback_lock == 0:
 
203
            gobject.source_remove(self._update_timer_callback_tag)
183
204
            self._update_timer_callback_tag = None
184
 
 
 
205
    
185
206
    def checker_completed(self, exitstatus, condition, command):
186
207
        if exitstatus == 0:
187
 
            log.debug('Checker for client %s (command "%s")'
188
 
                      ' succeeded', self.properties["Name"], command)
189
208
            self.update()
190
209
            return
191
210
        # Checker failed
192
211
        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))
 
212
            self.logger('Checker for client %s (command "%s")'
 
213
                        ' failed with exit code %s'
 
214
                        % (self.properties["Name"], command,
 
215
                           os.WEXITSTATUS(condition)))
196
216
        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))
 
217
            self.logger('Checker for client %s (command "%s")'
 
218
                        ' was killed by signal %s'
 
219
                        % (self.properties["Name"], command,
 
220
                           os.WTERMSIG(condition)))
 
221
        elif os.WCOREDUMP(condition):
 
222
            self.logger('Checker for client %s (command "%s")'
 
223
                        ' dumped core'
 
224
                        % (self.properties["Name"], command))
 
225
        else:
 
226
            self.logger('Checker for client %s completed'
 
227
                        ' mysteriously')
200
228
        self.update()
201
 
 
 
229
    
202
230
    def checker_started(self, command):
203
 
        """Server signals that a checker started."""
204
 
        log.debug('Client %s started checker "%s"',
205
 
                  self.properties["Name"], command)
206
 
 
 
231
        """Server signals that a checker started. This could be useful
 
232
           to log in the future. """
 
233
        #self.logger('Client %s started checker "%s"'
 
234
        #            % (self.properties["Name"], unicode(command)))
 
235
        pass
 
236
    
207
237
    def got_secret(self):
208
 
        log.info("Client %s received its secret",
209
 
                 self.properties["Name"])
210
 
 
 
238
        self.logger('Client %s received its secret'
 
239
                    % self.properties["Name"])
 
240
    
211
241
    def need_approval(self, timeout, default):
212
242
        if not default:
213
 
            message = "Client %s needs approval within %f seconds"
 
243
            message = 'Client %s needs approval within %s seconds'
214
244
        else:
215
 
            message = "Client %s will get its secret in %f seconds"
216
 
        log.info(message, self.properties["Name"], timeout/1000)
217
 
 
 
245
            message = 'Client %s will get its secret in %s seconds'
 
246
        self.logger(message
 
247
                    % (self.properties["Name"], timeout/1000))
 
248
        self.using_timer(True)
 
249
    
218
250
    def rejected(self, reason):
219
 
        log.info("Client %s was rejected; reason: %s",
220
 
                 self.properties["Name"], reason)
221
 
 
 
251
        self.logger('Client %s was rejected; reason: %s'
 
252
                    % (self.properties["Name"], reason))
 
253
    
222
254
    def selectable(self):
223
255
        """Make this a "selectable" widget.
224
256
        This overrides the method from urwid.FlowWidget."""
225
257
        return True
226
 
 
 
258
    
227
259
    def rows(self, maxcolrow, focus=False):
228
260
        """How many rows this widget will occupy might depend on
229
261
        whether we have focus or not.
230
262
        This overrides the method from urwid.FlowWidget"""
231
263
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
232
 
 
 
264
    
233
265
    def current_widget(self, focus=False):
234
266
        if focus or self.opened:
235
267
            return self._focus_widget
236
268
        return self._widget
237
 
 
 
269
    
238
270
    def update(self):
239
271
        "Called when what is visible on the screen should be updated."
240
272
        # 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
 
                         }
 
273
        with_standout = { "normal": "standout",
 
274
                          "bold": "bold-standout",
 
275
                          "underline-blink":
 
276
                              "underline-blink-standout",
 
277
                          "bold-underline-blink":
 
278
                              "bold-underline-blink-standout",
 
279
                          }
248
280
 
249
281
        # Rebuild focus and non-focus widgets using current properties
250
282
 
251
283
        # Base part of a client. Name!
252
 
        base = '{name}: '.format(name=self.properties["Name"])
 
284
        base = ('%(name)s: '
 
285
                      % {"name": self.properties["Name"]})
253
286
        if not self.properties["Enabled"]:
254
287
            message = "DISABLED"
255
 
            self.using_timer(False)
256
288
        elif self.properties["ApprovalPending"]:
257
 
            timeout = datetime.timedelta(
258
 
                milliseconds=self.properties["ApprovalDelay"])
 
289
            timeout = datetime.timedelta(milliseconds
 
290
                                         = self.properties
 
291
                                         ["ApprovalDelay"])
259
292
            last_approval_request = isoformat_to_datetime(
260
293
                self.properties["LastApprovalRequest"])
261
294
            if last_approval_request is not None:
262
 
                timer = max(timeout - (datetime.datetime.utcnow()
263
 
                                       - last_approval_request),
264
 
                            datetime.timedelta())
 
295
                timer = timeout - (datetime.datetime.utcnow()
 
296
                                   - last_approval_request)
265
297
            else:
266
298
                timer = datetime.timedelta()
267
299
            if self.properties["ApprovedByDefault"]:
268
 
                message = "Approval in {}. (d)eny?"
 
300
                message = "Approval in %s. (d)eny?"
269
301
            else:
270
 
                message = "Denial in {}. (a)pprove?"
271
 
            message = message.format(str(timer).rsplit(".", 1)[0])
272
 
            self.using_timer(True)
 
302
                message = "Denial in %s. (a)pprove?"
 
303
            message = message % unicode(timer).rsplit(".", 1)[0]
273
304
        elif self.properties["LastCheckerStatus"] != 0:
274
 
            # When checker has failed, show timer until client expires
 
305
            # When checker has failed, print a timer until client expires
275
306
            expires = self.properties["Expires"]
276
307
            if expires == "":
277
308
                timer = datetime.timedelta(0)
278
309
            else:
279
 
                expires = (datetime.datetime.strptime
280
 
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
281
 
                timer = max(expires - datetime.datetime.utcnow(),
282
 
                            datetime.timedelta())
 
310
                expires = datetime.datetime.strptime(expires,
 
311
                                                     '%Y-%m-%dT%H:%M:%S.%f')
 
312
                timer = expires - datetime.datetime.utcnow()
283
313
            message = ('A checker has failed! Time until client'
284
 
                       ' gets disabled: {}'
285
 
                       .format(str(timer).rsplit(".", 1)[0]))
286
 
            self.using_timer(True)
 
314
                       ' gets disabled: %s'
 
315
                           % unicode(timer).rsplit(".", 1)[0])
287
316
        else:
288
317
            message = "enabled"
289
 
            self.using_timer(False)
290
 
        self._text = "{}{}".format(base, message)
291
 
 
 
318
        self._text = "%s%s" % (base, message)
 
319
            
292
320
        if not urwid.supports_unicode():
293
321
            self._text = self._text.encode("ascii", "replace")
294
322
        textlist = [("normal", self._text)]
304
332
        # Run update hook, if any
305
333
        if self.update_hook is not None:
306
334
            self.update_hook()
307
 
 
 
335
    
308
336
    def update_timer(self):
309
 
        """called by GLib. Will indefinitely loop until
310
 
        GLib.source_remove() on tag is called
311
 
        """
 
337
        """called by gobject. Will indefinitely loop until
 
338
        gobject.source_remove() on tag is called"""
312
339
        self.update()
313
340
        return True             # Keep calling this
314
 
 
315
 
    def delete(self, **kwargs):
 
341
    
 
342
    def delete(self, *args, **kwargs):
316
343
        if self._update_timer_callback_tag is not None:
317
 
            GLib.source_remove(self._update_timer_callback_tag)
 
344
            gobject.source_remove(self._update_timer_callback_tag)
318
345
            self._update_timer_callback_tag = None
319
346
        for match in self.match_objects:
320
347
            match.remove()
321
348
        self.match_objects = ()
322
349
        if self.delete_hook is not None:
323
350
            self.delete_hook(self)
324
 
        return super(MandosClientWidget, self).delete(**kwargs)
325
 
 
 
351
        return super(MandosClientWidget, self).delete(*args, **kwargs)
 
352
    
326
353
    def render(self, maxcolrow, focus=False):
327
354
        """Render differently if we have focus.
328
355
        This overrides the method from urwid.FlowWidget"""
329
356
        return self.current_widget(focus).render(maxcolrow,
330
357
                                                 focus=focus)
331
 
 
 
358
    
332
359
    def keypress(self, maxcolrow, key):
333
360
        """Handle keys.
334
361
        This overrides the method from urwid.FlowWidget"""
335
362
        if key == "+":
336
 
            self.proxy.Set(client_interface, "Enabled",
337
 
                           dbus.Boolean(True), ignore_reply=True,
338
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
363
            self.proxy.Enable(dbus_interface = client_interface,
 
364
                              ignore_reply=True)
339
365
        elif key == "-":
340
 
            self.proxy.Set(client_interface, "Enabled", False,
341
 
                           ignore_reply=True,
342
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
366
            self.proxy.Disable(dbus_interface = client_interface,
 
367
                               ignore_reply=True)
343
368
        elif key == "a":
344
369
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
345
 
                               dbus_interface=client_interface,
 
370
                               dbus_interface = client_interface,
346
371
                               ignore_reply=True)
347
372
        elif key == "d":
348
373
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
349
 
                               dbus_interface=client_interface,
 
374
                                  dbus_interface = client_interface,
350
375
                               ignore_reply=True)
351
376
        elif key == "R" or key == "_" or key == "ctrl k":
352
377
            self.server_proxy_object.RemoveClient(self.proxy
353
378
                                                  .object_path,
354
379
                                                  ignore_reply=True)
355
380
        elif key == "s":
356
 
            self.proxy.Set(client_interface, "CheckerRunning",
357
 
                           dbus.Boolean(True), ignore_reply=True,
358
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
381
            self.proxy.StartChecker(dbus_interface = client_interface,
 
382
                                    ignore_reply=True)
359
383
        elif key == "S":
360
 
            self.proxy.Set(client_interface, "CheckerRunning",
361
 
                           dbus.Boolean(False), ignore_reply=True,
362
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
384
            self.proxy.StopChecker(dbus_interface = client_interface,
 
385
                                   ignore_reply=True)
363
386
        elif key == "C":
364
 
            self.proxy.CheckedOK(dbus_interface=client_interface,
 
387
            self.proxy.CheckedOK(dbus_interface = client_interface,
365
388
                                 ignore_reply=True)
366
389
        # xxx
367
390
#         elif key == "p" or key == "=":
372
395
#             self.open()
373
396
        else:
374
397
            return key
375
 
 
376
 
    def properties_changed(self, interface, properties, invalidated):
377
 
        """Call self.update() if any properties changed.
 
398
    
 
399
    def property_changed(self, property=None, value=None,
 
400
                         *args, **kwargs):
 
401
        """Call self.update() if old value is not new value.
378
402
        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):
 
403
        property_name = unicode(property)
 
404
        old_value = self.properties.get(property_name)
 
405
        super(MandosClientWidget, self).property_changed(
 
406
            property=property, value=value, *args, **kwargs)
 
407
        if self.properties.get(property_name) != old_value:
385
408
            self.update()
386
409
 
387
410
 
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
411
class ConstrainedListBox(urwid.ListBox):
399
412
    """Like a normal urwid.ListBox, but will consume all "up" or
400
413
    "down" key presses, thus not allowing any containing widgets to
401
414
    use them as an excuse to shift focus away from this widget.
402
415
    """
403
 
    def keypress(self, *args, **kwargs):
404
 
        ret = (super(ConstrainedListBox, self)
405
 
               .keypress(*args, **kwargs))
 
416
    def keypress(self, maxcolrow, key):
 
417
        ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
406
418
        if ret in ("up", "down"):
407
419
            return
408
420
        return ret
414
426
    """
415
427
    def __init__(self, max_log_length=1000):
416
428
        DBusGMainLoop(set_as_default=True)
417
 
 
 
429
        
418
430
        self.screen = urwid.curses_display.Screen()
419
 
 
 
431
        
420
432
        self.screen.register_palette((
421
433
                ("normal",
422
434
                 "default", "default", None),
423
435
                ("bold",
424
 
                 "bold", "default", "bold"),
 
436
                 "default", "default", "bold"),
425
437
                ("underline-blink",
426
 
                 "underline,blink", "default", "underline,blink"),
 
438
                 "default", "default", "underline"),
427
439
                ("standout",
428
 
                 "standout", "default", "standout"),
 
440
                 "default", "default", "standout"),
429
441
                ("bold-underline-blink",
430
 
                 "bold,underline,blink", "default",
431
 
                 "bold,underline,blink"),
 
442
                 "default", "default", ("bold", "underline")),
432
443
                ("bold-standout",
433
 
                 "bold,standout", "default", "bold,standout"),
 
444
                 "default", "default", ("bold", "standout")),
434
445
                ("underline-blink-standout",
435
 
                 "underline,blink,standout", "default",
436
 
                 "underline,blink,standout"),
 
446
                 "default", "default", ("underline", "standout")),
437
447
                ("bold-underline-blink-standout",
438
 
                 "bold,underline,blink,standout", "default",
439
 
                 "bold,underline,blink,standout"),
 
448
                 "default", "default", ("bold", "underline",
 
449
                                          "standout")),
440
450
                ))
441
 
 
 
451
        
442
452
        if urwid.supports_unicode():
443
 
            self.divider = "─"  # \u2500
 
453
            self.divider = "─" # \u2500
 
454
            #self.divider = "━" # \u2501
444
455
        else:
445
 
            self.divider = "_"  # \u005f
446
 
 
 
456
            #self.divider = "-" # \u002d
 
457
            self.divider = "_" # \u005f
 
458
        
447
459
        self.screen.start()
448
 
 
 
460
        
449
461
        self.size = self.screen.get_cols_rows()
450
 
 
 
462
        
451
463
        self.clients = urwid.SimpleListWalker([])
452
464
        self.clients_dict = {}
453
 
 
 
465
        
454
466
        # We will add Text widgets to this list
455
 
        self.log = urwid.SimpleListWalker([])
 
467
        self.log = []
456
468
        self.max_log_length = max_log_length
457
 
 
 
469
        
458
470
        # We keep a reference to the log widget so we can remove it
459
471
        # from the ListWalker without it getting destroyed
460
472
        self.logbox = ConstrainedListBox(self.log)
461
 
 
 
473
        
462
474
        # This keeps track of whether self.uilist currently has
463
475
        # self.logbox in it or not
464
476
        self.log_visible = True
465
477
        self.log_wrap = "any"
466
 
 
467
 
        self.loghandler = UILogHandler(self)
468
 
 
 
478
        
469
479
        self.rebuild()
470
 
        self.add_log_line(("bold",
471
 
                           "Mandos Monitor version " + version))
472
 
        self.add_log_line(("bold", "q: Quit  ?: Help"))
473
 
 
 
480
        self.log_message_raw(("bold",
 
481
                              "Mandos Monitor version " + version))
 
482
        self.log_message_raw(("bold",
 
483
                              "q: Quit  ?: Help"))
 
484
        
474
485
        self.busname = domain + '.Mandos'
475
 
        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
 
 
 
486
        self.main_loop = gobject.MainLoop()
 
487
    
 
488
    def client_not_found(self, fingerprint, address):
 
489
        self.log_message(("Client with address %s and fingerprint %s"
 
490
                          " could not be found" % (address,
 
491
                                                    fingerprint)))
 
492
    
481
493
    def rebuild(self):
482
494
        """This rebuilds the User Interface.
483
495
        Call this when the widget layout needs to change"""
484
496
        self.uilist = []
485
 
        # self.uilist.append(urwid.ListBox(self.clients))
 
497
        #self.uilist.append(urwid.ListBox(self.clients))
486
498
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
487
499
                                                          clients),
488
 
                                       # header=urwid.Divider(),
 
500
                                       #header=urwid.Divider(),
489
501
                                       header=None,
490
 
                                       footer=urwid.Divider(
491
 
                                           div_char=self.divider)))
 
502
                                       footer=
 
503
                                       urwid.Divider(div_char=
 
504
                                                     self.divider)))
492
505
        if self.log_visible:
493
506
            self.uilist.append(self.logbox)
494
507
        self.topwidget = urwid.Pile(self.uilist)
495
 
 
496
 
    def add_log_line(self, markup):
 
508
    
 
509
    def log_message(self, message):
 
510
        timestamp = datetime.datetime.now().isoformat()
 
511
        self.log_message_raw(timestamp + ": " + message)
 
512
    
 
513
    def log_message_raw(self, markup):
 
514
        """Add a log message to the log buffer."""
497
515
        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,
 
516
        if (self.max_log_length
 
517
            and len(self.log) > self.max_log_length):
 
518
            del self.log[0:len(self.log)-self.max_log_length-1]
 
519
        self.logbox.set_focus(len(self.logbox.body.contents),
502
520
                              coming_from="above")
503
521
        self.refresh()
504
 
 
 
522
    
505
523
    def toggle_log_display(self):
506
524
        """Toggle visibility of the log buffer."""
507
525
        self.log_visible = not self.log_visible
508
526
        self.rebuild()
509
 
        log.debug("Log visibility changed to: %s", self.log_visible)
510
 
 
 
527
        #self.log_message("Log visibility changed to: "
 
528
        #                 + unicode(self.log_visible))
 
529
    
511
530
    def change_log_display(self):
512
531
        """Change type of log display.
513
532
        Currently, this toggles wrapping of text lines."""
517
536
            self.log_wrap = "clip"
518
537
        for textwidget in self.log:
519
538
            textwidget.set_wrap_mode(self.log_wrap)
520
 
        log.debug("Wrap mode: %s", self.log_wrap)
521
 
 
522
 
    def find_and_remove_client(self, path, interfaces):
 
539
        #self.log_message("Wrap mode: " + self.log_wrap)
 
540
    
 
541
    def find_and_remove_client(self, path, name):
523
542
        """Find a client by its object path and remove it.
524
 
 
525
 
        This is connected to the InterfacesRemoved signal from the
 
543
        
 
544
        This is connected to the ClientRemoved signal from the
526
545
        Mandos server object."""
527
 
        if client_interface not in interfaces:
528
 
            # Not a Mandos client object; ignore
529
 
            return
530
546
        try:
531
547
            client = self.clients_dict[path]
532
548
        except KeyError:
533
549
            # not found?
534
 
            log.warning("Unknown client %s removed", path)
 
550
            self.log_message("Unknown client %r (%r) removed", name,
 
551
                             path)
535
552
            return
536
553
        client.delete()
537
 
 
538
 
    def add_new_client(self, path, ifs_and_props):
539
 
        """Find a client by its object path and remove it.
540
 
 
541
 
        This is connected to the InterfacesAdded signal from the
542
 
        Mandos server object.
543
 
        """
544
 
        if client_interface not in ifs_and_props:
545
 
            # Not a Mandos client object; ignore
546
 
            return
 
554
    
 
555
    def add_new_client(self, path):
547
556
        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])),
 
557
        self.add_client(MandosClientWidget(server_proxy_object
 
558
                                           =self.mandos_serv,
 
559
                                           proxy_object
 
560
                                           =client_proxy_object,
 
561
                                           update_hook
 
562
                                           =self.refresh,
 
563
                                           delete_hook
 
564
                                           =self.remove_client,
 
565
                                           logger
 
566
                                           =self.log_message),
554
567
                        path=path)
555
 
 
 
568
    
556
569
    def add_client(self, client, path=None):
557
570
        self.clients.append(client)
558
571
        if path is None:
559
572
            path = client.proxy.object_path
560
573
        self.clients_dict[path] = client
561
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
574
        self.clients.sort(None, lambda c: c.properties["Name"])
562
575
        self.refresh()
563
 
 
 
576
    
564
577
    def remove_client(self, client, path=None):
565
578
        self.clients.remove(client)
566
579
        if path is None:
567
580
            path = client.proxy.object_path
568
581
        del self.clients_dict[path]
 
582
        if not self.clients_dict:
 
583
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
584
            # is completely emptied, we need to recreate it.
 
585
            self.clients = urwid.SimpleListWalker([])
 
586
            self.rebuild()
569
587
        self.refresh()
570
 
 
 
588
    
571
589
    def refresh(self):
572
590
        """Redraw the screen"""
573
591
        canvas = self.topwidget.render(self.size, focus=True)
574
592
        self.screen.draw_screen(self.size, canvas)
575
 
 
 
593
    
576
594
    def run(self):
577
595
        """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
596
        self.bus = dbus.SystemBus()
584
597
        mandos_dbus_objc = self.bus.get_object(
585
598
            self.busname, "/", follow_name_owner_changes=True)
586
 
        self.mandos_serv = dbus.Interface(
587
 
            mandos_dbus_objc, dbus_interface=server_interface)
 
599
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
600
                                          dbus_interface
 
601
                                          = server_interface)
588
602
        try:
589
603
            mandos_clients = (self.mandos_serv
590
604
                              .GetAllClientsWithProperties())
591
 
            if not mandos_clients:
592
 
                log.warning("Note: Server has no clients.")
593
605
        except dbus.exceptions.DBusException:
594
 
            log.warning("Note: No Mandos server running.")
595
606
            mandos_clients = dbus.Dictionary()
596
 
 
 
607
        
597
608
        (self.mandos_serv
598
 
         .connect_to_signal("InterfacesRemoved",
 
609
         .connect_to_signal("ClientRemoved",
599
610
                            self.find_and_remove_client,
600
 
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
611
                            dbus_interface=server_interface,
601
612
                            byte_arrays=True))
602
613
        (self.mandos_serv
603
 
         .connect_to_signal("InterfacesAdded",
 
614
         .connect_to_signal("ClientAdded",
604
615
                            self.add_new_client,
605
 
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
616
                            dbus_interface=server_interface,
606
617
                            byte_arrays=True))
607
618
        (self.mandos_serv
608
619
         .connect_to_signal("ClientNotFound",
609
620
                            self.client_not_found,
610
621
                            dbus_interface=server_interface,
611
622
                            byte_arrays=True))
612
 
        for path, client in mandos_clients.items():
 
623
        for path, client in mandos_clients.iteritems():
613
624
            client_proxy_object = self.bus.get_object(self.busname,
614
625
                                                      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),
 
626
            self.add_client(MandosClientWidget(server_proxy_object
 
627
                                               =self.mandos_serv,
 
628
                                               proxy_object
 
629
                                               =client_proxy_object,
 
630
                                               properties=client,
 
631
                                               update_hook
 
632
                                               =self.refresh,
 
633
                                               delete_hook
 
634
                                               =self.remove_client,
 
635
                                               logger
 
636
                                               =self.log_message),
621
637
                            path=path)
622
638
 
623
639
        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)))
 
640
        self._input_callback_tag = (gobject.io_add_watch
 
641
                                    (sys.stdin.fileno(),
 
642
                                     gobject.IO_IN,
 
643
                                     self.process_input))
629
644
        self.main_loop.run()
630
645
        # Main loop has finished, we should close everything now
631
 
        GLib.source_remove(self._input_callback_tag)
632
 
        with warnings.catch_warnings():
633
 
            warnings.simplefilter("ignore", BytesWarning)
634
 
            self.screen.stop()
635
 
 
 
646
        gobject.source_remove(self._input_callback_tag)
 
647
        self.screen.stop()
 
648
    
636
649
    def stop(self):
637
650
        self.main_loop.quit()
638
 
        log.removeHandler(self.loghandler)
639
 
        log.propagate = self.orig_log_propagate
640
 
 
 
651
    
641
652
    def process_input(self, source, condition):
642
653
        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
 
                        }
 
654
        translations = { "ctrl n": "down",      # Emacs
 
655
                         "ctrl p": "up",        # Emacs
 
656
                         "ctrl v": "page down", # Emacs
 
657
                         "meta v": "page up",   # Emacs
 
658
                         " ": "page down",      # less
 
659
                         "f": "page down",      # less
 
660
                         "b": "page up",        # less
 
661
                         "j": "down",           # vi
 
662
                         "k": "up",             # vi
 
663
                         }
653
664
        for key in keys:
654
665
            try:
655
666
                key = translations[key]
656
667
            except KeyError:    # :-)
657
668
                pass
658
 
 
 
669
            
659
670
            if key == "q" or key == "Q":
660
671
                self.stop()
661
672
                break
662
673
            elif key == "window resize":
663
674
                self.size = self.screen.get_cols_rows()
664
675
                self.refresh()
665
 
            elif key == "ctrl l":
666
 
                self.screen.clear()
 
676
            elif key == "\f":  # Ctrl-L
667
677
                self.refresh()
668
678
            elif key == "l" or key == "D":
669
679
                self.toggle_log_display()
675
685
                if not self.log_visible:
676
686
                    self.log_visible = True
677
687
                    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
 
                                   ))))
 
688
                self.log_message_raw(("bold",
 
689
                                      "  ".
 
690
                                      join(("q: Quit",
 
691
                                            "?: Help",
 
692
                                            "l: Log window toggle",
 
693
                                            "TAB: Switch window",
 
694
                                            "w: Wrap (log)"))))
 
695
                self.log_message_raw(("bold",
 
696
                                      "  "
 
697
                                      .join(("Clients:",
 
698
                                             "+: Enable",
 
699
                                             "-: Disable",
 
700
                                             "R: Remove",
 
701
                                             "s: Start new checker",
 
702
                                             "S: Stop checker",
 
703
                                             "C: Checker OK",
 
704
                                             "a: Approve",
 
705
                                             "d: Deny"))))
697
706
                self.refresh()
698
707
            elif key == "tab":
699
708
                if self.topwidget.get_focus() is self.logbox:
701
710
                else:
702
711
                    self.topwidget.set_focus(self.logbox)
703
712
                self.refresh()
704
 
            elif key == "v":
705
 
                if log.level < logging.INFO:
706
 
                    log.setLevel(logging.INFO)
707
 
                    log.info("Verbose mode: Off")
708
 
                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
 
713
            #elif (key == "end" or key == "meta >" or key == "G"
 
714
            #      or key == ">"):
 
715
            #    pass            # xxx end-of-buffer
 
716
            #elif (key == "home" or key == "meta <" or key == "g"
 
717
            #      or key == "<"):
 
718
            #    pass            # xxx beginning-of-buffer
 
719
            #elif key == "ctrl e" or key == "$":
 
720
            #    pass            # xxx move-end-of-line
 
721
            #elif key == "ctrl a" or key == "^":
 
722
            #    pass            # xxx move-beginning-of-line
 
723
            #elif key == "ctrl b" or key == "meta (" or key == "h":
 
724
            #    pass            # xxx left
 
725
            #elif key == "ctrl f" or key == "meta )" or key == "l":
 
726
            #    pass            # xxx right
 
727
            #elif key == "a":
 
728
            #    pass            # scroll up log
 
729
            #elif key == "z":
 
730
            #    pass            # scroll down log
729
731
            elif self.topwidget.selectable():
730
732
                self.topwidget.keypress(self.size, key)
731
733
                self.refresh()
732
734
        return True
733
735
 
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
736
ui = UserInterface()
749
737
try:
750
738
    ui.run()
751
739
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()
 
740
    ui.screen.stop()
 
741
except Exception, e:
 
742
    ui.log_message(unicode(e))
 
743
    ui.screen.stop()
759
744
    raise