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  • Committer: Teddy Hogeborn
  • Date: 2012-05-06 17:37:23 UTC
  • Revision ID: teddy@recompile.se-20120506173723-znhgx61gpqp1rfor
* mandos (main.cleanup): Use tempfile.NamedTemporaryFile() instead of
                         tempfile.mkstemp().

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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
 
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)
29
 
try:
30
 
    from future_builtins import *
31
 
except ImportError:
32
 
    pass
33
28
 
34
29
import sys
35
30
import os
36
 
import warnings
 
31
import signal
 
32
 
37
33
import datetime
38
34
 
39
35
import urwid.curses_display
40
36
import urwid
41
37
 
42
38
from dbus.mainloop.glib import DBusGMainLoop
43
 
from gi.repository import GLib
 
39
import gobject
44
40
 
45
41
import dbus
46
42
 
 
43
import UserList
 
44
 
47
45
import locale
48
46
 
 
47
locale.setlocale(locale.LC_ALL, '')
 
48
 
49
49
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
50
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
63
51
 
64
52
# Some useful constants
65
53
domain = 'se.recompile'
66
54
server_interface = domain + '.Mandos'
67
55
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
 
 
 
56
version = "1.5.3"
 
57
 
 
58
# Always run in monochrome mode
 
59
urwid.curses_display.curses.has_colors = lambda : False
 
60
 
 
61
# Urwid doesn't support blinking, but we want it.  Since we have no
 
62
# use for underline on its own, we make underline also always blink.
 
63
urwid.curses_display.curses.A_UNDERLINE |= (
 
64
    urwid.curses_display.curses.A_BLINK)
75
65
 
76
66
def isoformat_to_datetime(iso):
77
67
    "Parse an ISO 8601 date string to a datetime.datetime()"
86
76
                             int(day),
87
77
                             int(hour),
88
78
                             int(minute),
89
 
                             int(second),            # Whole seconds
90
 
                             int(fraction*1000000))  # Microseconds
91
 
 
 
79
                             int(second),           # Whole seconds
 
80
                             int(fraction*1000000)) # Microseconds
92
81
 
93
82
class MandosClientPropertyCache(object):
94
83
    """This wraps a Mandos Client D-Bus proxy object, caches the
95
84
    properties and calls a hook function when any of them are
96
85
    changed.
97
86
    """
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
 
87
    def __init__(self, proxy_object=None, *args, **kwargs):
 
88
        self.proxy = proxy_object # Mandos Client proxy object
 
89
        
 
90
        self.properties = dict()
101
91
        self.property_changed_match = (
102
 
            self.proxy.connect_to_signal("PropertiesChanged",
103
 
                                         self.properties_changed,
104
 
                                         dbus.PROPERTIES_IFACE,
 
92
            self.proxy.connect_to_signal("PropertyChanged",
 
93
                                         self.property_changed,
 
94
                                         client_interface,
105
95
                                         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.
 
96
        
 
97
        self.properties.update(
 
98
            self.proxy.GetAll(client_interface,
 
99
                              dbus_interface = dbus.PROPERTIES_IFACE))
 
100
 
 
101
        #XXX This breaks good super behaviour
 
102
#        super(MandosClientPropertyCache, self).__init__(
 
103
#            *args, **kwargs)
 
104
    
 
105
    def property_changed(self, property=None, value=None):
 
106
        """This is called whenever we get a PropertyChanged signal
 
107
        It updates the changed property in the "properties" dict.
117
108
        """
118
109
        # Update properties dict with new value
119
 
        if interface == client_interface:
120
 
            self.properties.update(properties)
121
 
 
122
 
    def delete(self):
 
110
        self.properties[property] = value
 
111
    
 
112
    def delete(self, *args, **kwargs):
123
113
        self.property_changed_match.remove()
 
114
        super(MandosClientPropertyCache, self).__init__(
 
115
            *args, **kwargs)
124
116
 
125
117
 
126
118
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
127
119
    """A Mandos Client which is visible on the screen.
128
120
    """
129
 
 
 
121
    
130
122
    def __init__(self, server_proxy_object=None, update_hook=None,
131
 
                 delete_hook=None, **kwargs):
 
123
                 delete_hook=None, logger=None, *args, **kwargs):
132
124
        # Called on update
133
125
        self.update_hook = update_hook
134
126
        # Called on delete
135
127
        self.delete_hook = delete_hook
136
128
        # Mandos Server proxy object
137
129
        self.server_proxy_object = server_proxy_object
138
 
 
 
130
        # Logger
 
131
        self.logger = logger
 
132
        
139
133
        self._update_timer_callback_tag = None
140
 
 
 
134
        self._update_timer_callback_lock = 0
 
135
        
141
136
        # The widget shown normally
142
137
        self._text_widget = urwid.Text("")
143
138
        # The widget shown when we have focus
144
139
        self._focus_text_widget = urwid.Text("")
145
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
140
        super(MandosClientWidget, self).__init__(
 
141
            update_hook=update_hook, delete_hook=delete_hook,
 
142
            *args, **kwargs)
146
143
        self.update()
147
144
        self.opened = False
148
 
 
 
145
        
 
146
        last_checked_ok = isoformat_to_datetime(self.properties
 
147
                                                ["LastCheckedOK"])
 
148
        
 
149
        if self.properties ["LastCheckerStatus"] != 0:
 
150
            self.using_timer(True)
 
151
        
 
152
        if self.need_approval:
 
153
            self.using_timer(True)
 
154
        
149
155
        self.match_objects = (
150
156
            self.proxy.connect_to_signal("CheckerCompleted",
151
157
                                         self.checker_completed,
167
173
                                         self.rejected,
168
174
                                         client_interface,
169
175
                                         byte_arrays=True))
170
 
        log.debug('Created client %s', self.properties["Name"])
171
 
 
 
176
        #self.logger('Created client {0}'
 
177
        #            .format(self.properties["Name"]))
 
178
    
 
179
    def property_changed(self, property=None, value=None):
 
180
        super(self, MandosClientWidget).property_changed(property,
 
181
                                                         value)
 
182
        if property == "ApprovalPending":
 
183
            using_timer(bool(value))
 
184
        if property == "LastCheckerStatus":
 
185
            using_timer(value != 0)
 
186
            #self.logger('Checker for client {0} (command "{1}") was '
 
187
            #            ' successful'.format(self.properties["Name"],
 
188
            #                                 command))
 
189
    
172
190
    def using_timer(self, flag):
173
191
        """Call this method with True or False when timer should be
174
192
        activated or deactivated.
175
193
        """
176
 
        if flag and self._update_timer_callback_tag is None:
 
194
        old = self._update_timer_callback_lock
 
195
        if flag:
 
196
            self._update_timer_callback_lock += 1
 
197
        else:
 
198
            self._update_timer_callback_lock -= 1
 
199
        if old == 0 and self._update_timer_callback_lock:
177
200
            # 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)
 
201
            self._update_timer_callback_tag = (gobject.timeout_add
 
202
                                               (1000,
 
203
                                                self.update_timer))
 
204
        elif old and self._update_timer_callback_lock == 0:
 
205
            gobject.source_remove(self._update_timer_callback_tag)
183
206
            self._update_timer_callback_tag = None
184
 
 
 
207
    
185
208
    def checker_completed(self, exitstatus, condition, command):
186
209
        if exitstatus == 0:
187
 
            log.debug('Checker for client %s (command "%s")'
188
 
                      ' succeeded', self.properties["Name"], command)
189
210
            self.update()
190
211
            return
191
212
        # Checker failed
192
213
        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))
 
214
            self.logger('Checker for client {0} (command "{1}")'
 
215
                        ' failed with exit code {2}'
 
216
                        .format(self.properties["Name"], command,
 
217
                                os.WEXITSTATUS(condition)))
196
218
        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))
 
219
            self.logger('Checker for client {0} (command "{1}") was'
 
220
                        ' killed by signal {2}'
 
221
                        .format(self.properties["Name"], command,
 
222
                                os.WTERMSIG(condition)))
 
223
        elif os.WCOREDUMP(condition):
 
224
            self.logger('Checker for client {0} (command "{1}")'
 
225
                        ' dumped core'
 
226
                        .format(self.properties["Name"], command))
 
227
        else:
 
228
            self.logger('Checker for client {0} completed'
 
229
                        ' mysteriously'
 
230
                        .format(self.properties["Name"]))
200
231
        self.update()
201
 
 
 
232
    
202
233
    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
 
 
 
234
        """Server signals that a checker started. This could be useful
 
235
           to log in the future. """
 
236
        #self.logger('Client {0} started checker "{1}"'
 
237
        #            .format(self.properties["Name"],
 
238
        #                    unicode(command)))
 
239
        pass
 
240
    
207
241
    def got_secret(self):
208
 
        log.info("Client %s received its secret",
209
 
                 self.properties["Name"])
210
 
 
 
242
        self.logger('Client {0} received its secret'
 
243
                    .format(self.properties["Name"]))
 
244
    
211
245
    def need_approval(self, timeout, default):
212
246
        if not default:
213
 
            message = "Client %s needs approval within %f seconds"
 
247
            message = 'Client {0} needs approval within {1} seconds'
214
248
        else:
215
 
            message = "Client %s will get its secret in %f seconds"
216
 
        log.info(message, self.properties["Name"], timeout/1000)
217
 
 
 
249
            message = 'Client {0} will get its secret in {1} seconds'
 
250
        self.logger(message.format(self.properties["Name"],
 
251
                                   timeout/1000))
 
252
        self.using_timer(True)
 
253
    
218
254
    def rejected(self, reason):
219
 
        log.info("Client %s was rejected; reason: %s",
220
 
                 self.properties["Name"], reason)
221
 
 
 
255
        self.logger('Client {0} was rejected; reason: {1}'
 
256
                    .format(self.properties["Name"], reason))
 
257
    
222
258
    def selectable(self):
223
259
        """Make this a "selectable" widget.
224
260
        This overrides the method from urwid.FlowWidget."""
225
261
        return True
226
 
 
 
262
    
227
263
    def rows(self, maxcolrow, focus=False):
228
264
        """How many rows this widget will occupy might depend on
229
265
        whether we have focus or not.
230
266
        This overrides the method from urwid.FlowWidget"""
231
267
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
232
 
 
 
268
    
233
269
    def current_widget(self, focus=False):
234
270
        if focus or self.opened:
235
271
            return self._focus_widget
236
272
        return self._widget
237
 
 
 
273
    
238
274
    def update(self):
239
275
        "Called when what is visible on the screen should be updated."
240
276
        # 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
 
                         }
 
277
        with_standout = { "normal": "standout",
 
278
                          "bold": "bold-standout",
 
279
                          "underline-blink":
 
280
                              "underline-blink-standout",
 
281
                          "bold-underline-blink":
 
282
                              "bold-underline-blink-standout",
 
283
                          }
248
284
 
249
285
        # Rebuild focus and non-focus widgets using current properties
250
286
 
252
288
        base = '{name}: '.format(name=self.properties["Name"])
253
289
        if not self.properties["Enabled"]:
254
290
            message = "DISABLED"
255
 
            self.using_timer(False)
256
291
        elif self.properties["ApprovalPending"]:
257
 
            timeout = datetime.timedelta(
258
 
                milliseconds=self.properties["ApprovalDelay"])
 
292
            timeout = datetime.timedelta(milliseconds
 
293
                                         = self.properties
 
294
                                         ["ApprovalDelay"])
259
295
            last_approval_request = isoformat_to_datetime(
260
296
                self.properties["LastApprovalRequest"])
261
297
            if last_approval_request is not None:
262
 
                timer = max(timeout - (datetime.datetime.utcnow()
263
 
                                       - last_approval_request),
264
 
                            datetime.timedelta())
 
298
                timer = timeout - (datetime.datetime.utcnow()
 
299
                                   - last_approval_request)
265
300
            else:
266
301
                timer = datetime.timedelta()
267
302
            if self.properties["ApprovedByDefault"]:
268
 
                message = "Approval in {}. (d)eny?"
 
303
                message = "Approval in {0}. (d)eny?"
269
304
            else:
270
 
                message = "Denial in {}. (a)pprove?"
271
 
            message = message.format(str(timer).rsplit(".", 1)[0])
272
 
            self.using_timer(True)
 
305
                message = "Denial in {0}. (a)pprove?"
 
306
            message = message.format(unicode(timer).rsplit(".", 1)[0])
273
307
        elif self.properties["LastCheckerStatus"] != 0:
274
308
            # When checker has failed, show timer until client expires
275
309
            expires = self.properties["Expires"]
278
312
            else:
279
313
                expires = (datetime.datetime.strptime
280
314
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
281
 
                timer = max(expires - datetime.datetime.utcnow(),
282
 
                            datetime.timedelta())
 
315
                timer = expires - datetime.datetime.utcnow()
283
316
            message = ('A checker has failed! Time until client'
284
 
                       ' gets disabled: {}'
285
 
                       .format(str(timer).rsplit(".", 1)[0]))
286
 
            self.using_timer(True)
 
317
                       ' gets disabled: {0}'
 
318
                       .format(unicode(timer).rsplit(".", 1)[0]))
287
319
        else:
288
320
            message = "enabled"
289
 
            self.using_timer(False)
290
 
        self._text = "{}{}".format(base, message)
291
 
 
 
321
        self._text = "{0}{1}".format(base, message)
 
322
            
292
323
        if not urwid.supports_unicode():
293
324
            self._text = self._text.encode("ascii", "replace")
294
325
        textlist = [("normal", self._text)]
304
335
        # Run update hook, if any
305
336
        if self.update_hook is not None:
306
337
            self.update_hook()
307
 
 
 
338
    
308
339
    def update_timer(self):
309
 
        """called by GLib. Will indefinitely loop until
310
 
        GLib.source_remove() on tag is called
311
 
        """
 
340
        """called by gobject. Will indefinitely loop until
 
341
        gobject.source_remove() on tag is called"""
312
342
        self.update()
313
343
        return True             # Keep calling this
314
 
 
315
 
    def delete(self, **kwargs):
 
344
    
 
345
    def delete(self, *args, **kwargs):
316
346
        if self._update_timer_callback_tag is not None:
317
 
            GLib.source_remove(self._update_timer_callback_tag)
 
347
            gobject.source_remove(self._update_timer_callback_tag)
318
348
            self._update_timer_callback_tag = None
319
349
        for match in self.match_objects:
320
350
            match.remove()
321
351
        self.match_objects = ()
322
352
        if self.delete_hook is not None:
323
353
            self.delete_hook(self)
324
 
        return super(MandosClientWidget, self).delete(**kwargs)
325
 
 
 
354
        return super(MandosClientWidget, self).delete(*args, **kwargs)
 
355
    
326
356
    def render(self, maxcolrow, focus=False):
327
357
        """Render differently if we have focus.
328
358
        This overrides the method from urwid.FlowWidget"""
329
359
        return self.current_widget(focus).render(maxcolrow,
330
360
                                                 focus=focus)
331
 
 
 
361
    
332
362
    def keypress(self, maxcolrow, key):
333
363
        """Handle keys.
334
364
        This overrides the method from urwid.FlowWidget"""
335
365
        if key == "+":
336
 
            self.proxy.Set(client_interface, "Enabled",
337
 
                           dbus.Boolean(True), ignore_reply=True,
338
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
366
            self.proxy.Enable(dbus_interface = client_interface,
 
367
                              ignore_reply=True)
339
368
        elif key == "-":
340
 
            self.proxy.Set(client_interface, "Enabled", False,
341
 
                           ignore_reply=True,
342
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
369
            self.proxy.Disable(dbus_interface = client_interface,
 
370
                               ignore_reply=True)
343
371
        elif key == "a":
344
372
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
345
 
                               dbus_interface=client_interface,
 
373
                               dbus_interface = client_interface,
346
374
                               ignore_reply=True)
347
375
        elif key == "d":
348
376
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
349
 
                               dbus_interface=client_interface,
 
377
                                  dbus_interface = client_interface,
350
378
                               ignore_reply=True)
351
379
        elif key == "R" or key == "_" or key == "ctrl k":
352
380
            self.server_proxy_object.RemoveClient(self.proxy
353
381
                                                  .object_path,
354
382
                                                  ignore_reply=True)
355
383
        elif key == "s":
356
 
            self.proxy.Set(client_interface, "CheckerRunning",
357
 
                           dbus.Boolean(True), ignore_reply=True,
358
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
384
            self.proxy.StartChecker(dbus_interface = client_interface,
 
385
                                    ignore_reply=True)
359
386
        elif key == "S":
360
 
            self.proxy.Set(client_interface, "CheckerRunning",
361
 
                           dbus.Boolean(False), ignore_reply=True,
362
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
387
            self.proxy.StopChecker(dbus_interface = client_interface,
 
388
                                   ignore_reply=True)
363
389
        elif key == "C":
364
 
            self.proxy.CheckedOK(dbus_interface=client_interface,
 
390
            self.proxy.CheckedOK(dbus_interface = client_interface,
365
391
                                 ignore_reply=True)
366
392
        # xxx
367
393
#         elif key == "p" or key == "=":
372
398
#             self.open()
373
399
        else:
374
400
            return key
375
 
 
376
 
    def properties_changed(self, interface, properties, invalidated):
377
 
        """Call self.update() if any properties changed.
 
401
    
 
402
    def property_changed(self, property=None, value=None,
 
403
                         *args, **kwargs):
 
404
        """Call self.update() if old value is not new value.
378
405
        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):
 
406
        property_name = unicode(property)
 
407
        old_value = self.properties.get(property_name)
 
408
        super(MandosClientWidget, self).property_changed(
 
409
            property=property, value=value, *args, **kwargs)
 
410
        if self.properties.get(property_name) != old_value:
385
411
            self.update()
386
412
 
387
413
 
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
414
class ConstrainedListBox(urwid.ListBox):
399
415
    """Like a normal urwid.ListBox, but will consume all "up" or
400
416
    "down" key presses, thus not allowing any containing widgets to
401
417
    use them as an excuse to shift focus away from this widget.
402
418
    """
403
 
    def keypress(self, *args, **kwargs):
404
 
        ret = (super(ConstrainedListBox, self)
405
 
               .keypress(*args, **kwargs))
 
419
    def keypress(self, maxcolrow, key):
 
420
        ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
406
421
        if ret in ("up", "down"):
407
422
            return
408
423
        return ret
414
429
    """
415
430
    def __init__(self, max_log_length=1000):
416
431
        DBusGMainLoop(set_as_default=True)
417
 
 
 
432
        
418
433
        self.screen = urwid.curses_display.Screen()
419
 
 
 
434
        
420
435
        self.screen.register_palette((
421
436
                ("normal",
422
437
                 "default", "default", None),
423
438
                ("bold",
424
 
                 "bold", "default", "bold"),
 
439
                 "default", "default", "bold"),
425
440
                ("underline-blink",
426
 
                 "underline,blink", "default", "underline,blink"),
 
441
                 "default", "default", "underline"),
427
442
                ("standout",
428
 
                 "standout", "default", "standout"),
 
443
                 "default", "default", "standout"),
429
444
                ("bold-underline-blink",
430
 
                 "bold,underline,blink", "default",
431
 
                 "bold,underline,blink"),
 
445
                 "default", "default", ("bold", "underline")),
432
446
                ("bold-standout",
433
 
                 "bold,standout", "default", "bold,standout"),
 
447
                 "default", "default", ("bold", "standout")),
434
448
                ("underline-blink-standout",
435
 
                 "underline,blink,standout", "default",
436
 
                 "underline,blink,standout"),
 
449
                 "default", "default", ("underline", "standout")),
437
450
                ("bold-underline-blink-standout",
438
 
                 "bold,underline,blink,standout", "default",
439
 
                 "bold,underline,blink,standout"),
 
451
                 "default", "default", ("bold", "underline",
 
452
                                          "standout")),
440
453
                ))
441
 
 
 
454
        
442
455
        if urwid.supports_unicode():
443
 
            self.divider = "─"  # \u2500
 
456
            self.divider = "─" # \u2500
 
457
            #self.divider = "━" # \u2501
444
458
        else:
445
 
            self.divider = "_"  # \u005f
446
 
 
 
459
            #self.divider = "-" # \u002d
 
460
            self.divider = "_" # \u005f
 
461
        
447
462
        self.screen.start()
448
 
 
 
463
        
449
464
        self.size = self.screen.get_cols_rows()
450
 
 
 
465
        
451
466
        self.clients = urwid.SimpleListWalker([])
452
467
        self.clients_dict = {}
453
 
 
 
468
        
454
469
        # We will add Text widgets to this list
455
 
        self.log = urwid.SimpleListWalker([])
 
470
        self.log = []
456
471
        self.max_log_length = max_log_length
457
 
 
 
472
        
458
473
        # We keep a reference to the log widget so we can remove it
459
474
        # from the ListWalker without it getting destroyed
460
475
        self.logbox = ConstrainedListBox(self.log)
461
 
 
 
476
        
462
477
        # This keeps track of whether self.uilist currently has
463
478
        # self.logbox in it or not
464
479
        self.log_visible = True
465
480
        self.log_wrap = "any"
466
 
 
467
 
        self.loghandler = UILogHandler(self)
468
 
 
 
481
        
469
482
        self.rebuild()
470
 
        self.add_log_line(("bold",
471
 
                           "Mandos Monitor version " + version))
472
 
        self.add_log_line(("bold", "q: Quit  ?: Help"))
473
 
 
 
483
        self.log_message_raw(("bold",
 
484
                              "Mandos Monitor version " + version))
 
485
        self.log_message_raw(("bold",
 
486
                              "q: Quit  ?: Help"))
 
487
        
474
488
        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
 
 
 
489
        self.main_loop = gobject.MainLoop()
 
490
    
 
491
    def client_not_found(self, fingerprint, address):
 
492
        self.log_message("Client with address {0} and fingerprint"
 
493
                         " {1} could not be found"
 
494
                         .format(address, fingerprint))
 
495
    
481
496
    def rebuild(self):
482
497
        """This rebuilds the User Interface.
483
498
        Call this when the widget layout needs to change"""
484
499
        self.uilist = []
485
 
        # self.uilist.append(urwid.ListBox(self.clients))
 
500
        #self.uilist.append(urwid.ListBox(self.clients))
486
501
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
487
502
                                                          clients),
488
 
                                       # header=urwid.Divider(),
 
503
                                       #header=urwid.Divider(),
489
504
                                       header=None,
490
 
                                       footer=urwid.Divider(
491
 
                                           div_char=self.divider)))
 
505
                                       footer=
 
506
                                       urwid.Divider(div_char=
 
507
                                                     self.divider)))
492
508
        if self.log_visible:
493
509
            self.uilist.append(self.logbox)
494
510
        self.topwidget = urwid.Pile(self.uilist)
495
 
 
496
 
    def add_log_line(self, markup):
 
511
    
 
512
    def log_message(self, message):
 
513
        timestamp = datetime.datetime.now().isoformat()
 
514
        self.log_message_raw(timestamp + ": " + message)
 
515
    
 
516
    def log_message_raw(self, markup):
 
517
        """Add a log message to the log buffer."""
497
518
        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,
 
519
        if (self.max_log_length
 
520
            and len(self.log) > self.max_log_length):
 
521
            del self.log[0:len(self.log)-self.max_log_length-1]
 
522
        self.logbox.set_focus(len(self.logbox.body.contents),
502
523
                              coming_from="above")
503
524
        self.refresh()
504
 
 
 
525
    
505
526
    def toggle_log_display(self):
506
527
        """Toggle visibility of the log buffer."""
507
528
        self.log_visible = not self.log_visible
508
529
        self.rebuild()
509
 
        log.debug("Log visibility changed to: %s", self.log_visible)
510
 
 
 
530
        #self.log_message("Log visibility changed to: "
 
531
        #                 + unicode(self.log_visible))
 
532
    
511
533
    def change_log_display(self):
512
534
        """Change type of log display.
513
535
        Currently, this toggles wrapping of text lines."""
517
539
            self.log_wrap = "clip"
518
540
        for textwidget in self.log:
519
541
            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):
 
542
        #self.log_message("Wrap mode: " + self.log_wrap)
 
543
    
 
544
    def find_and_remove_client(self, path, name):
523
545
        """Find a client by its object path and remove it.
524
 
 
525
 
        This is connected to the InterfacesRemoved signal from the
 
546
        
 
547
        This is connected to the ClientRemoved signal from the
526
548
        Mandos server object."""
527
 
        if client_interface not in interfaces:
528
 
            # Not a Mandos client object; ignore
529
 
            return
530
549
        try:
531
550
            client = self.clients_dict[path]
532
551
        except KeyError:
533
552
            # not found?
534
 
            log.warning("Unknown client %s removed", path)
 
553
            self.log_message("Unknown client {0!r} ({1!r}) removed"
 
554
                             .format(name, path))
535
555
            return
536
556
        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
 
557
    
 
558
    def add_new_client(self, path):
547
559
        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])),
 
560
        self.add_client(MandosClientWidget(server_proxy_object
 
561
                                           =self.mandos_serv,
 
562
                                           proxy_object
 
563
                                           =client_proxy_object,
 
564
                                           update_hook
 
565
                                           =self.refresh,
 
566
                                           delete_hook
 
567
                                           =self.remove_client,
 
568
                                           logger
 
569
                                           =self.log_message),
554
570
                        path=path)
555
 
 
 
571
    
556
572
    def add_client(self, client, path=None):
557
573
        self.clients.append(client)
558
574
        if path is None:
559
575
            path = client.proxy.object_path
560
576
        self.clients_dict[path] = client
561
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
577
        self.clients.sort(None, lambda c: c.properties["Name"])
562
578
        self.refresh()
563
 
 
 
579
    
564
580
    def remove_client(self, client, path=None):
565
581
        self.clients.remove(client)
566
582
        if path is None:
567
583
            path = client.proxy.object_path
568
584
        del self.clients_dict[path]
 
585
        if not self.clients_dict:
 
586
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
587
            # is completely emptied, we need to recreate it.
 
588
            self.clients = urwid.SimpleListWalker([])
 
589
            self.rebuild()
569
590
        self.refresh()
570
 
 
 
591
    
571
592
    def refresh(self):
572
593
        """Redraw the screen"""
573
594
        canvas = self.topwidget.render(self.size, focus=True)
574
595
        self.screen.draw_screen(self.size, canvas)
575
 
 
 
596
    
576
597
    def run(self):
577
598
        """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
599
        self.bus = dbus.SystemBus()
584
600
        mandos_dbus_objc = self.bus.get_object(
585
601
            self.busname, "/", follow_name_owner_changes=True)
586
 
        self.mandos_serv = dbus.Interface(
587
 
            mandos_dbus_objc, dbus_interface=server_interface)
 
602
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
603
                                          dbus_interface
 
604
                                          = server_interface)
588
605
        try:
589
606
            mandos_clients = (self.mandos_serv
590
607
                              .GetAllClientsWithProperties())
591
 
            if not mandos_clients:
592
 
                log.warning("Note: Server has no clients.")
593
608
        except dbus.exceptions.DBusException:
594
 
            log.warning("Note: No Mandos server running.")
595
609
            mandos_clients = dbus.Dictionary()
596
 
 
 
610
        
597
611
        (self.mandos_serv
598
 
         .connect_to_signal("InterfacesRemoved",
 
612
         .connect_to_signal("ClientRemoved",
599
613
                            self.find_and_remove_client,
600
 
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
614
                            dbus_interface=server_interface,
601
615
                            byte_arrays=True))
602
616
        (self.mandos_serv
603
 
         .connect_to_signal("InterfacesAdded",
 
617
         .connect_to_signal("ClientAdded",
604
618
                            self.add_new_client,
605
 
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
619
                            dbus_interface=server_interface,
606
620
                            byte_arrays=True))
607
621
        (self.mandos_serv
608
622
         .connect_to_signal("ClientNotFound",
609
623
                            self.client_not_found,
610
624
                            dbus_interface=server_interface,
611
625
                            byte_arrays=True))
612
 
        for path, client in mandos_clients.items():
 
626
        for path, client in mandos_clients.iteritems():
613
627
            client_proxy_object = self.bus.get_object(self.busname,
614
628
                                                      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),
 
629
            self.add_client(MandosClientWidget(server_proxy_object
 
630
                                               =self.mandos_serv,
 
631
                                               proxy_object
 
632
                                               =client_proxy_object,
 
633
                                               properties=client,
 
634
                                               update_hook
 
635
                                               =self.refresh,
 
636
                                               delete_hook
 
637
                                               =self.remove_client,
 
638
                                               logger
 
639
                                               =self.log_message),
621
640
                            path=path)
622
641
 
623
642
        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)))
 
643
        self._input_callback_tag = (gobject.io_add_watch
 
644
                                    (sys.stdin.fileno(),
 
645
                                     gobject.IO_IN,
 
646
                                     self.process_input))
629
647
        self.main_loop.run()
630
648
        # 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
 
 
 
649
        gobject.source_remove(self._input_callback_tag)
 
650
        self.screen.stop()
 
651
    
636
652
    def stop(self):
637
653
        self.main_loop.quit()
638
 
        log.removeHandler(self.loghandler)
639
 
        log.propagate = self.orig_log_propagate
640
 
 
 
654
    
641
655
    def process_input(self, source, condition):
642
656
        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
 
                        }
 
657
        translations = { "ctrl n": "down",      # Emacs
 
658
                         "ctrl p": "up",        # Emacs
 
659
                         "ctrl v": "page down", # Emacs
 
660
                         "meta v": "page up",   # Emacs
 
661
                         " ": "page down",      # less
 
662
                         "f": "page down",      # less
 
663
                         "b": "page up",        # less
 
664
                         "j": "down",           # vi
 
665
                         "k": "up",             # vi
 
666
                         }
653
667
        for key in keys:
654
668
            try:
655
669
                key = translations[key]
656
670
            except KeyError:    # :-)
657
671
                pass
658
 
 
 
672
            
659
673
            if key == "q" or key == "Q":
660
674
                self.stop()
661
675
                break
662
676
            elif key == "window resize":
663
677
                self.size = self.screen.get_cols_rows()
664
678
                self.refresh()
665
 
            elif key == "ctrl l":
666
 
                self.screen.clear()
 
679
            elif key == "\f":  # Ctrl-L
667
680
                self.refresh()
668
681
            elif key == "l" or key == "D":
669
682
                self.toggle_log_display()
675
688
                if not self.log_visible:
676
689
                    self.log_visible = True
677
690
                    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
 
                                   ))))
 
691
                self.log_message_raw(("bold",
 
692
                                      "  ".
 
693
                                      join(("q: Quit",
 
694
                                            "?: Help",
 
695
                                            "l: Log window toggle",
 
696
                                            "TAB: Switch window",
 
697
                                            "w: Wrap (log)"))))
 
698
                self.log_message_raw(("bold",
 
699
                                      "  "
 
700
                                      .join(("Clients:",
 
701
                                             "+: Enable",
 
702
                                             "-: Disable",
 
703
                                             "R: Remove",
 
704
                                             "s: Start new checker",
 
705
                                             "S: Stop checker",
 
706
                                             "C: Checker OK",
 
707
                                             "a: Approve",
 
708
                                             "d: Deny"))))
697
709
                self.refresh()
698
710
            elif key == "tab":
699
711
                if self.topwidget.get_focus() is self.logbox:
701
713
                else:
702
714
                    self.topwidget.set_focus(self.logbox)
703
715
                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
 
716
            #elif (key == "end" or key == "meta >" or key == "G"
 
717
            #      or key == ">"):
 
718
            #    pass            # xxx end-of-buffer
 
719
            #elif (key == "home" or key == "meta <" or key == "g"
 
720
            #      or key == "<"):
 
721
            #    pass            # xxx beginning-of-buffer
 
722
            #elif key == "ctrl e" or key == "$":
 
723
            #    pass            # xxx move-end-of-line
 
724
            #elif key == "ctrl a" or key == "^":
 
725
            #    pass            # xxx move-beginning-of-line
 
726
            #elif key == "ctrl b" or key == "meta (" or key == "h":
 
727
            #    pass            # xxx left
 
728
            #elif key == "ctrl f" or key == "meta )" or key == "l":
 
729
            #    pass            # xxx right
 
730
            #elif key == "a":
 
731
            #    pass            # scroll up log
 
732
            #elif key == "z":
 
733
            #    pass            # scroll down log
729
734
            elif self.topwidget.selectable():
730
735
                self.topwidget.keypress(self.size, key)
731
736
                self.refresh()
732
737
        return True
733
738
 
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
739
ui = UserInterface()
749
740
try:
750
741
    ui.run()
751
742
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()
 
743
    ui.screen.stop()
 
744
except Exception, e:
 
745
    ui.log_message(unicode(e))
 
746
    ui.screen.stop()
759
747
    raise