/mandos/trunk

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  • Committer: Teddy Hogeborn
  • Date: 2012-11-13 21:45:10 UTC
  • Revision ID: teddy@recompile.se-20121113214510-34tvoek6sg6e366i
* mandos: Don't use the GnuPGInterface module.
  (PGPEngine): Use straight subprocess.Popen() to call "gpg".
* debian/control (mandos/Depends): Remove "python-gnupginterface".
                                   Add "gnupg (<< 2)".

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mandos-monitor
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#!/usr/bin/python
2
2
# -*- mode: python; coding: utf-8 -*-
3
 
 
4
 
from __future__ import division, absolute_import, with_statement
 
3
# 
 
4
# Mandos Monitor - Control and monitor the Mandos server
 
5
# 
 
6
# Copyright © 2009-2012 Teddy Hogeborn
 
7
# Copyright © 2009-2012 Björn Påhlsson
 
8
# 
 
9
# This program is free software: you can redistribute it and/or modify
 
10
# it under the terms of the GNU General Public License as published by
 
11
# the Free Software Foundation, either version 3 of the License, or
 
12
# (at your option) any later version.
 
13
#
 
14
#     This program is distributed in the hope that it will be useful,
 
15
#     but WITHOUT ANY WARRANTY; without even the implied warranty of
 
16
#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
17
#     GNU General Public License for more details.
 
18
# 
 
19
# You should have received a copy of the GNU General Public License
 
20
# along with this program.  If not, see
 
21
# <http://www.gnu.org/licenses/>.
 
22
# 
 
23
# Contact the authors at <mandos@recompile.se>.
 
24
# 
 
25
 
 
26
from __future__ import (division, absolute_import, print_function,
 
27
                        unicode_literals)
 
28
 
 
29
from future_builtins import *
5
30
 
6
31
import sys
7
32
import os
21
46
 
22
47
import locale
23
48
 
24
 
locale.setlocale(locale.LC_ALL, u'')
 
49
locale.setlocale(locale.LC_ALL, '')
25
50
 
26
51
import logging
27
52
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
28
53
 
29
54
# Some useful constants
30
 
domain = 'se.bsnet.fukt'
 
55
domain = 'se.recompile'
31
56
server_interface = domain + '.Mandos'
32
57
client_interface = domain + '.Mandos.Client'
33
 
version = "1.0.15"
 
58
version = "1.6.0"
34
59
 
35
60
# Always run in monochrome mode
36
61
urwid.curses_display.curses.has_colors = lambda : False
44
69
    "Parse an ISO 8601 date string to a datetime.datetime()"
45
70
    if not iso:
46
71
        return None
47
 
    d, t = iso.split(u"T", 1)
48
 
    year, month, day = d.split(u"-", 2)
49
 
    hour, minute, second = t.split(u":", 2)
 
72
    d, t = iso.split("T", 1)
 
73
    year, month, day = d.split("-", 2)
 
74
    hour, minute, second = t.split(":", 2)
50
75
    second, fraction = divmod(float(second), 1)
51
76
    return datetime.datetime(int(year),
52
77
                             int(month),
61
86
    properties and calls a hook function when any of them are
62
87
    changed.
63
88
    """
64
 
    def __init__(self, proxy_object=None, *args, **kwargs):
 
89
    def __init__(self, proxy_object=None, properties=None, **kwargs):
65
90
        self.proxy = proxy_object # Mandos Client proxy object
66
 
        
67
 
        self.properties = dict()
68
 
        self.proxy.connect_to_signal(u"PropertyChanged",
69
 
                                     self.property_changed,
70
 
                                     client_interface,
71
 
                                     byte_arrays=True)
72
 
        
73
 
        self.properties.update(
74
 
            self.proxy.GetAll(client_interface,
75
 
                              dbus_interface = dbus.PROPERTIES_IFACE))
76
 
 
77
 
        #XXX This break good super behaviour!
78
 
#        super(MandosClientPropertyCache, self).__init__(
79
 
#            *args, **kwargs)
 
91
        self.properties = dict() if properties is None else properties
 
92
        self.property_changed_match = (
 
93
            self.proxy.connect_to_signal("PropertyChanged",
 
94
                                         self._property_changed,
 
95
                                         client_interface,
 
96
                                         byte_arrays=True))
 
97
        
 
98
        if properties is None:
 
99
            self.properties.update(
 
100
                self.proxy.GetAll(client_interface,
 
101
                                  dbus_interface
 
102
                                  = dbus.PROPERTIES_IFACE))
 
103
        
 
104
        super(MandosClientPropertyCache, self).__init__(**kwargs)
 
105
    
 
106
    def _property_changed(self, property, value):
 
107
        """Helper which takes positional arguments"""
 
108
        return self.property_changed(property=property, value=value)
80
109
    
81
110
    def property_changed(self, property=None, value=None):
82
111
        """This is called whenever we get a PropertyChanged signal
84
113
        """
85
114
        # Update properties dict with new value
86
115
        self.properties[property] = value
 
116
    
 
117
    def delete(self):
 
118
        self.property_changed_match.remove()
87
119
 
88
120
 
89
121
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
91
123
    """
92
124
    
93
125
    def __init__(self, server_proxy_object=None, update_hook=None,
94
 
                 delete_hook=None, logger=None, *args, **kwargs):
 
126
                 delete_hook=None, logger=None, **kwargs):
95
127
        # Called on update
96
128
        self.update_hook = update_hook
97
129
        # Called on delete
102
134
        self.logger = logger
103
135
        
104
136
        self._update_timer_callback_tag = None
105
 
        self.last_checker_failed = False
106
137
        
107
138
        # The widget shown normally
108
 
        self._text_widget = urwid.Text(u"")
 
139
        self._text_widget = urwid.Text("")
109
140
        # The widget shown when we have focus
110
 
        self._focus_text_widget = urwid.Text(u"")
111
 
        super(MandosClientWidget, self).__init__(
112
 
            update_hook=update_hook, delete_hook=delete_hook,
113
 
            *args, **kwargs)
 
141
        self._focus_text_widget = urwid.Text("")
 
142
        super(MandosClientWidget, self).__init__(**kwargs)
114
143
        self.update()
115
144
        self.opened = False
116
 
        self.proxy.connect_to_signal(u"CheckerCompleted",
117
 
                                     self.checker_completed,
118
 
                                     client_interface,
119
 
                                     byte_arrays=True)
120
 
        self.proxy.connect_to_signal(u"CheckerStarted",
121
 
                                     self.checker_started,
122
 
                                     client_interface,
123
 
                                     byte_arrays=True)
124
 
        self.proxy.connect_to_signal(u"GotSecret",
125
 
                                     self.got_secret,
126
 
                                     client_interface,
127
 
                                     byte_arrays=True)
128
 
        self.proxy.connect_to_signal(u"NeedApproval",
129
 
                                     self.need_approval,
130
 
                                     client_interface,
131
 
                                     byte_arrays=True)
132
 
        self.proxy.connect_to_signal(u"Rejected",
133
 
                                     self.rejected,
134
 
                                     client_interface,
135
 
                                     byte_arrays=True)
136
 
        last_checked_ok = isoformat_to_datetime(self.properties
137
 
                                                [u"LastCheckedOK"])
138
 
        if last_checked_ok is None:
139
 
            self.last_checker_failed = True
140
 
        else:
141
 
            self.last_checker_failed = ((datetime.datetime.utcnow()
142
 
                                         - last_checked_ok)
143
 
                                        > datetime.timedelta
144
 
                                        (milliseconds=
145
 
                                         self.properties
146
 
                                         [u"Interval"]))
147
 
        if self.last_checker_failed:
 
145
        
 
146
        self.match_objects = (
 
147
            self.proxy.connect_to_signal("CheckerCompleted",
 
148
                                         self.checker_completed,
 
149
                                         client_interface,
 
150
                                         byte_arrays=True),
 
151
            self.proxy.connect_to_signal("CheckerStarted",
 
152
                                         self.checker_started,
 
153
                                         client_interface,
 
154
                                         byte_arrays=True),
 
155
            self.proxy.connect_to_signal("GotSecret",
 
156
                                         self.got_secret,
 
157
                                         client_interface,
 
158
                                         byte_arrays=True),
 
159
            self.proxy.connect_to_signal("NeedApproval",
 
160
                                         self.need_approval,
 
161
                                         client_interface,
 
162
                                         byte_arrays=True),
 
163
            self.proxy.connect_to_signal("Rejected",
 
164
                                         self.rejected,
 
165
                                         client_interface,
 
166
                                         byte_arrays=True))
 
167
        #self.logger('Created client {0}'
 
168
        #            .format(self.properties["Name"]))
 
169
    
 
170
    def using_timer(self, flag):
 
171
        """Call this method with True or False when timer should be
 
172
        activated or deactivated.
 
173
        """
 
174
        if flag and self._update_timer_callback_tag is None:
 
175
            # Will update the shown timer value every second
148
176
            self._update_timer_callback_tag = (gobject.timeout_add
149
177
                                               (1000,
150
178
                                                self.update_timer))
 
179
        elif not (flag or self._update_timer_callback_tag is None):
 
180
            gobject.source_remove(self._update_timer_callback_tag)
 
181
            self._update_timer_callback_tag = None
151
182
    
152
183
    def checker_completed(self, exitstatus, condition, command):
153
184
        if exitstatus == 0:
154
 
            if self.last_checker_failed:
155
 
                self.last_checker_failed = False
156
 
                gobject.source_remove(self._update_timer_callback_tag)
157
 
                self._update_timer_callback_tag = None
158
 
            #self.logger(u'Checker for client %s (command "%s")'
159
 
            #            u' was successful'
160
 
            #            % (self.properties[u"Name"], command))
161
185
            self.update()
162
186
            return
163
187
        # Checker failed
164
 
        if not self.last_checker_failed:
165
 
            self.last_checker_failed = True
166
 
            self._update_timer_callback_tag = (gobject.timeout_add
167
 
                                               (1000,
168
 
                                                self.update_timer))
169
188
        if os.WIFEXITED(condition):
170
 
            self.logger(u'Checker for client %s (command "%s")'
171
 
                        u' failed with exit code %s'
172
 
                        % (self.properties[u"Name"], command,
173
 
                           os.WEXITSTATUS(condition)))
 
189
            self.logger('Checker for client {0} (command "{1}")'
 
190
                        ' failed with exit code {2}'
 
191
                        .format(self.properties["Name"], command,
 
192
                                os.WEXITSTATUS(condition)))
174
193
        elif os.WIFSIGNALED(condition):
175
 
            self.logger(u'Checker for client %s (command "%s")'
176
 
                        u' was killed by signal %s'
177
 
                        % (self.properties[u"Name"], command,
178
 
                           os.WTERMSIG(condition)))
 
194
            self.logger('Checker for client {0} (command "{1}") was'
 
195
                        ' killed by signal {2}'
 
196
                        .format(self.properties["Name"], command,
 
197
                                os.WTERMSIG(condition)))
179
198
        elif os.WCOREDUMP(condition):
180
 
            self.logger(u'Checker for client %s (command "%s")'
181
 
                        u' dumped core'
182
 
                        % (self.properties[u"Name"], command))
 
199
            self.logger('Checker for client {0} (command "{1}")'
 
200
                        ' dumped core'
 
201
                        .format(self.properties["Name"], command))
183
202
        else:
184
 
            self.logger(u'Checker for client %s completed'
185
 
                        u' mysteriously')
 
203
            self.logger('Checker for client {0} completed'
 
204
                        ' mysteriously'
 
205
                        .format(self.properties["Name"]))
186
206
        self.update()
187
207
    
188
208
    def checker_started(self, command):
189
 
        #self.logger(u'Client %s started checker "%s"'
190
 
        #            % (self.properties[u"Name"], unicode(command)))
 
209
        """Server signals that a checker started. This could be useful
 
210
           to log in the future. """
 
211
        #self.logger('Client {0} started checker "{1}"'
 
212
        #            .format(self.properties["Name"],
 
213
        #                    unicode(command)))
191
214
        pass
192
215
    
193
216
    def got_secret(self):
194
 
        self.last_checker_failed = False
195
 
        self.logger(u'Client %s received its secret'
196
 
                    % self.properties[u"Name"])
 
217
        self.logger('Client {0} received its secret'
 
218
                    .format(self.properties["Name"]))
197
219
    
198
220
    def need_approval(self, timeout, default):
199
221
        if not default:
200
 
            message = u'Client %s needs approval within %s seconds'
 
222
            message = 'Client {0} needs approval within {1} seconds'
201
223
        else:
202
 
            message = u'Client %s will get its secret in %s seconds'
203
 
        self.logger(message
204
 
                    % (self.properties[u"Name"], timeout/1000))
 
224
            message = 'Client {0} will get its secret in {1} seconds'
 
225
        self.logger(message.format(self.properties["Name"],
 
226
                                   timeout/1000))
205
227
    
206
228
    def rejected(self, reason):
207
 
        self.logger(u'Client %s was rejected; reason: %s'
208
 
                    % (self.properties[u"Name"], reason))
 
229
        self.logger('Client {0} was rejected; reason: {1}'
 
230
                    .format(self.properties["Name"], reason))
209
231
    
210
232
    def selectable(self):
211
233
        """Make this a "selectable" widget.
212
234
        This overrides the method from urwid.FlowWidget."""
213
235
        return True
214
236
    
215
 
    def rows(self, (maxcol,), focus=False):
 
237
    def rows(self, maxcolrow, focus=False):
216
238
        """How many rows this widget will occupy might depend on
217
239
        whether we have focus or not.
218
240
        This overrides the method from urwid.FlowWidget"""
219
 
        return self.current_widget(focus).rows((maxcol,), focus=focus)
 
241
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
220
242
    
221
243
    def current_widget(self, focus=False):
222
244
        if focus or self.opened:
226
248
    def update(self):
227
249
        "Called when what is visible on the screen should be updated."
228
250
        # How to add standout mode to a style
229
 
        with_standout = { u"normal": u"standout",
230
 
                          u"bold": u"bold-standout",
231
 
                          u"underline-blink":
232
 
                              u"underline-blink-standout",
233
 
                          u"bold-underline-blink":
234
 
                              u"bold-underline-blink-standout",
 
251
        with_standout = { "normal": "standout",
 
252
                          "bold": "bold-standout",
 
253
                          "underline-blink":
 
254
                              "underline-blink-standout",
 
255
                          "bold-underline-blink":
 
256
                              "bold-underline-blink-standout",
235
257
                          }
236
 
 
 
258
        
237
259
        # Rebuild focus and non-focus widgets using current properties
238
 
 
 
260
        
239
261
        # Base part of a client. Name!
240
 
        base = (u'%(name)s: '
241
 
                      % {u"name": self.properties[u"Name"]})
242
 
        if not self.properties[u"Enabled"]:
243
 
            message = u"DISABLED"
244
 
        elif self.properties[u"ApprovalPending"]:
245
 
            if self.properties[u"ApprovedByDefault"]:
246
 
                message = u"Connection established to client. (d)eny?"
247
 
            else:
248
 
                message = u"Seeks approval to send secret. (a)pprove?"
249
 
        elif self.last_checker_failed:
 
262
        base = '{name}: '.format(name=self.properties["Name"])
 
263
        if not self.properties["Enabled"]:
 
264
            message = "DISABLED"
 
265
            self.using_timer(False)
 
266
        elif self.properties["ApprovalPending"]:
250
267
            timeout = datetime.timedelta(milliseconds
251
268
                                         = self.properties
252
 
                                         [u"Timeout"])
253
 
            last_ok = isoformat_to_datetime(
254
 
                max((self.properties[u"LastCheckedOK"]
255
 
                     or self.properties[u"Created"]),
256
 
                    self.properties[u"LastEnabled"]))
257
 
            timer = timeout - (datetime.datetime.utcnow() - last_ok)
258
 
            message = (u'A checker has failed! Time until client'
259
 
                       u' gets diabled: %s'
260
 
                           % unicode(timer).rsplit(".", 1)[0])
 
269
                                         ["ApprovalDelay"])
 
270
            last_approval_request = isoformat_to_datetime(
 
271
                self.properties["LastApprovalRequest"])
 
272
            if last_approval_request is not None:
 
273
                timer = max(timeout - (datetime.datetime.utcnow()
 
274
                                       - last_approval_request),
 
275
                            datetime.timedelta())
 
276
            else:
 
277
                timer = datetime.timedelta()
 
278
            if self.properties["ApprovedByDefault"]:
 
279
                message = "Approval in {0}. (d)eny?"
 
280
            else:
 
281
                message = "Denial in {0}. (a)pprove?"
 
282
            message = message.format(unicode(timer).rsplit(".", 1)[0])
 
283
            self.using_timer(True)
 
284
        elif self.properties["LastCheckerStatus"] != 0:
 
285
            # When checker has failed, show timer until client expires
 
286
            expires = self.properties["Expires"]
 
287
            if expires == "":
 
288
                timer = datetime.timedelta(0)
 
289
            else:
 
290
                expires = (datetime.datetime.strptime
 
291
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
 
292
                timer = max(expires - datetime.datetime.utcnow(),
 
293
                            datetime.timedelta())
 
294
            message = ('A checker has failed! Time until client'
 
295
                       ' gets disabled: {0}'
 
296
                       .format(unicode(timer).rsplit(".", 1)[0]))
 
297
            self.using_timer(True)
261
298
        else:
262
 
            message = u"enabled"
263
 
        self._text = "%s%s" % (base, message)
264
 
            
 
299
            message = "enabled"
 
300
            self.using_timer(False)
 
301
        self._text = "{0}{1}".format(base, message)
 
302
        
265
303
        if not urwid.supports_unicode():
266
304
            self._text = self._text.encode("ascii", "replace")
267
 
        textlist = [(u"normal", self._text)]
 
305
        textlist = [("normal", self._text)]
268
306
        self._text_widget.set_text(textlist)
269
307
        self._focus_text_widget.set_text([(with_standout[text[0]],
270
308
                                           text[1])
279
317
            self.update_hook()
280
318
    
281
319
    def update_timer(self):
282
 
        "called by gobject"
 
320
        """called by gobject. Will indefinitely loop until
 
321
        gobject.source_remove() on tag is called"""
283
322
        self.update()
284
323
        return True             # Keep calling this
285
324
    
286
 
    def delete(self):
 
325
    def delete(self, **kwargs):
287
326
        if self._update_timer_callback_tag is not None:
288
327
            gobject.source_remove(self._update_timer_callback_tag)
289
328
            self._update_timer_callback_tag = None
 
329
        for match in self.match_objects:
 
330
            match.remove()
 
331
        self.match_objects = ()
290
332
        if self.delete_hook is not None:
291
333
            self.delete_hook(self)
 
334
        return super(MandosClientWidget, self).delete(**kwargs)
292
335
    
293
 
    def render(self, (maxcol,), focus=False):
 
336
    def render(self, maxcolrow, focus=False):
294
337
        """Render differently if we have focus.
295
338
        This overrides the method from urwid.FlowWidget"""
296
 
        return self.current_widget(focus).render((maxcol,),
 
339
        return self.current_widget(focus).render(maxcolrow,
297
340
                                                 focus=focus)
298
341
    
299
 
    def keypress(self, (maxcol,), key):
 
342
    def keypress(self, maxcolrow, key):
300
343
        """Handle keys.
301
344
        This overrides the method from urwid.FlowWidget"""
302
 
        if key == u"+":
303
 
            self.proxy.Enable(dbus_interface = client_interface)
304
 
        elif key == u"-":
305
 
            self.proxy.Disable(dbus_interface = client_interface)
306
 
        elif key == u"a":
 
345
        if key == "+":
 
346
            self.proxy.Enable(dbus_interface = client_interface,
 
347
                              ignore_reply=True)
 
348
        elif key == "-":
 
349
            self.proxy.Disable(dbus_interface = client_interface,
 
350
                               ignore_reply=True)
 
351
        elif key == "a":
307
352
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
308
 
                               dbus_interface = client_interface)
309
 
        elif key == u"d":
 
353
                               dbus_interface = client_interface,
 
354
                               ignore_reply=True)
 
355
        elif key == "d":
310
356
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
311
 
                                  dbus_interface = client_interface)
312
 
        elif key == u"r" or key == u"_" or key == u"ctrl k":
 
357
                                  dbus_interface = client_interface,
 
358
                               ignore_reply=True)
 
359
        elif key == "R" or key == "_" or key == "ctrl k":
313
360
            self.server_proxy_object.RemoveClient(self.proxy
314
 
                                                  .object_path)
315
 
        elif key == u"s":
316
 
            self.proxy.StartChecker(dbus_interface = client_interface)
317
 
        elif key == u"S":
318
 
            self.proxy.StopChecker(dbus_interface = client_interface)
319
 
        elif key == u"C":
320
 
            self.proxy.CheckedOK(dbus_interface = client_interface)
 
361
                                                  .object_path,
 
362
                                                  ignore_reply=True)
 
363
        elif key == "s":
 
364
            self.proxy.StartChecker(dbus_interface = client_interface,
 
365
                                    ignore_reply=True)
 
366
        elif key == "S":
 
367
            self.proxy.StopChecker(dbus_interface = client_interface,
 
368
                                   ignore_reply=True)
 
369
        elif key == "C":
 
370
            self.proxy.CheckedOK(dbus_interface = client_interface,
 
371
                                 ignore_reply=True)
321
372
        # xxx
322
 
#         elif key == u"p" or key == "=":
 
373
#         elif key == "p" or key == "=":
323
374
#             self.proxy.pause()
324
 
#         elif key == u"u" or key == ":":
 
375
#         elif key == "u" or key == ":":
325
376
#             self.proxy.unpause()
326
 
#         elif key == u"RET":
 
377
#         elif key == "RET":
327
378
#             self.open()
328
 
#        elif key == u"+":
329
 
#            self.proxy.Approve(True)
330
 
#        elif key == u"-":
331
 
#            self.proxy.Approve(False)
332
379
        else:
333
380
            return key
334
381
    
335
 
    def property_changed(self, property=None, value=None,
336
 
                         *args, **kwargs):
 
382
    def property_changed(self, property=None, **kwargs):
337
383
        """Call self.update() if old value is not new value.
338
384
        This overrides the method from MandosClientPropertyCache"""
339
385
        property_name = unicode(property)
340
386
        old_value = self.properties.get(property_name)
341
387
        super(MandosClientWidget, self).property_changed(
342
 
            property=property, value=value, *args, **kwargs)
 
388
            property=property, **kwargs)
343
389
        if self.properties.get(property_name) != old_value:
344
390
            self.update()
345
391
 
349
395
    "down" key presses, thus not allowing any containing widgets to
350
396
    use them as an excuse to shift focus away from this widget.
351
397
    """
352
 
    def keypress(self, (maxcol, maxrow), key):
353
 
        ret = super(ConstrainedListBox, self).keypress((maxcol,
354
 
                                                        maxrow), key)
355
 
        if ret in (u"up", u"down"):
 
398
    def keypress(self, *args, **kwargs):
 
399
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
 
400
        if ret in ("up", "down"):
356
401
            return
357
402
        return ret
358
403
 
367
412
        self.screen = urwid.curses_display.Screen()
368
413
        
369
414
        self.screen.register_palette((
370
 
                (u"normal",
371
 
                 u"default", u"default", None),
372
 
                (u"bold",
373
 
                 u"default", u"default", u"bold"),
374
 
                (u"underline-blink",
375
 
                 u"default", u"default", u"underline"),
376
 
                (u"standout",
377
 
                 u"default", u"default", u"standout"),
378
 
                (u"bold-underline-blink",
379
 
                 u"default", u"default", (u"bold", u"underline")),
380
 
                (u"bold-standout",
381
 
                 u"default", u"default", (u"bold", u"standout")),
382
 
                (u"underline-blink-standout",
383
 
                 u"default", u"default", (u"underline", u"standout")),
384
 
                (u"bold-underline-blink-standout",
385
 
                 u"default", u"default", (u"bold", u"underline",
386
 
                                          u"standout")),
 
415
                ("normal",
 
416
                 "default", "default", None),
 
417
                ("bold",
 
418
                 "default", "default", "bold"),
 
419
                ("underline-blink",
 
420
                 "default", "default", "underline"),
 
421
                ("standout",
 
422
                 "default", "default", "standout"),
 
423
                ("bold-underline-blink",
 
424
                 "default", "default", ("bold", "underline")),
 
425
                ("bold-standout",
 
426
                 "default", "default", ("bold", "standout")),
 
427
                ("underline-blink-standout",
 
428
                 "default", "default", ("underline", "standout")),
 
429
                ("bold-underline-blink-standout",
 
430
                 "default", "default", ("bold", "underline",
 
431
                                          "standout")),
387
432
                ))
388
433
        
389
434
        if urwid.supports_unicode():
390
 
            self.divider = u"─" # \u2500
391
 
            #self.divider = u"━" # \u2501
 
435
            self.divider = "─" # \u2500
 
436
            #self.divider = "━" # \u2501
392
437
        else:
393
 
            #self.divider = u"-" # \u002d
394
 
            self.divider = u"_" # \u005f
 
438
            #self.divider = "-" # \u002d
 
439
            self.divider = "_" # \u005f
395
440
        
396
441
        self.screen.start()
397
442
        
411
456
        # This keeps track of whether self.uilist currently has
412
457
        # self.logbox in it or not
413
458
        self.log_visible = True
414
 
        self.log_wrap = u"any"
 
459
        self.log_wrap = "any"
415
460
        
416
461
        self.rebuild()
417
 
        self.log_message_raw((u"bold",
418
 
                              u"Mandos Monitor version " + version))
419
 
        self.log_message_raw((u"bold",
420
 
                              u"q: Quit  ?: Help"))
 
462
        self.log_message_raw(("bold",
 
463
                              "Mandos Monitor version " + version))
 
464
        self.log_message_raw(("bold",
 
465
                              "q: Quit  ?: Help"))
421
466
        
422
467
        self.busname = domain + '.Mandos'
423
468
        self.main_loop = gobject.MainLoop()
424
 
        self.bus = dbus.SystemBus()
425
 
        mandos_dbus_objc = self.bus.get_object(
426
 
            self.busname, u"/", follow_name_owner_changes=True)
427
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
428
 
                                          dbus_interface
429
 
                                          = server_interface)
430
 
        try:
431
 
            mandos_clients = (self.mandos_serv
432
 
                              .GetAllClientsWithProperties())
433
 
        except dbus.exceptions.DBusException:
434
 
            mandos_clients = dbus.Dictionary()
435
 
        
436
 
        (self.mandos_serv
437
 
         .connect_to_signal(u"ClientRemoved",
438
 
                            self.find_and_remove_client,
439
 
                            dbus_interface=server_interface,
440
 
                            byte_arrays=True))
441
 
        (self.mandos_serv
442
 
         .connect_to_signal(u"ClientAdded",
443
 
                            self.add_new_client,
444
 
                            dbus_interface=server_interface,
445
 
                            byte_arrays=True))
446
 
        (self.mandos_serv
447
 
         .connect_to_signal(u"ClientNotFound",
448
 
                            self.client_not_found,
449
 
                            dbus_interface=server_interface,
450
 
                            byte_arrays=True))
451
 
        for path, client in mandos_clients.iteritems():
452
 
            client_proxy_object = self.bus.get_object(self.busname,
453
 
                                                      path)
454
 
            self.add_client(MandosClientWidget(server_proxy_object
455
 
                                               =self.mandos_serv,
456
 
                                               proxy_object
457
 
                                               =client_proxy_object,
458
 
                                               properties=client,
459
 
                                               update_hook
460
 
                                               =self.refresh,
461
 
                                               delete_hook
462
 
                                               =self.remove_client,
463
 
                                               logger
464
 
                                               =self.log_message),
465
 
                            path=path)
466
469
    
467
470
    def client_not_found(self, fingerprint, address):
468
 
        self.log_message((u"Client with address %s and fingerprint %s"
469
 
                          u" could not be found" % (address,
470
 
                                                    fingerprint)))
 
471
        self.log_message("Client with address {0} and fingerprint"
 
472
                         " {1} could not be found"
 
473
                         .format(address, fingerprint))
471
474
    
472
475
    def rebuild(self):
473
476
        """This rebuilds the User Interface.
483
486
                                                     self.divider)))
484
487
        if self.log_visible:
485
488
            self.uilist.append(self.logbox)
486
 
            pass
487
489
        self.topwidget = urwid.Pile(self.uilist)
488
490
    
489
491
    def log_message(self, message):
 
492
        """Log message formatted with timestamp"""
490
493
        timestamp = datetime.datetime.now().isoformat()
491
 
        self.log_message_raw(timestamp + u": " + message)
 
494
        self.log_message_raw(timestamp + ": " + message)
492
495
    
493
496
    def log_message_raw(self, markup):
494
497
        """Add a log message to the log buffer."""
497
500
            and len(self.log) > self.max_log_length):
498
501
            del self.log[0:len(self.log)-self.max_log_length-1]
499
502
        self.logbox.set_focus(len(self.logbox.body.contents),
500
 
                              coming_from=u"above")
 
503
                              coming_from="above")
501
504
        self.refresh()
502
505
    
503
506
    def toggle_log_display(self):
504
507
        """Toggle visibility of the log buffer."""
505
508
        self.log_visible = not self.log_visible
506
509
        self.rebuild()
507
 
        self.log_message(u"Log visibility changed to: "
508
 
                         + unicode(self.log_visible))
 
510
        #self.log_message("Log visibility changed to: "
 
511
        #                 + unicode(self.log_visible))
509
512
    
510
513
    def change_log_display(self):
511
514
        """Change type of log display.
512
515
        Currently, this toggles wrapping of text lines."""
513
 
        if self.log_wrap == u"clip":
514
 
            self.log_wrap = u"any"
 
516
        if self.log_wrap == "clip":
 
517
            self.log_wrap = "any"
515
518
        else:
516
 
            self.log_wrap = u"clip"
 
519
            self.log_wrap = "clip"
517
520
        for textwidget in self.log:
518
521
            textwidget.set_wrap_mode(self.log_wrap)
519
 
        self.log_message(u"Wrap mode: " + self.log_wrap)
 
522
        #self.log_message("Wrap mode: " + self.log_wrap)
520
523
    
521
524
    def find_and_remove_client(self, path, name):
522
 
        """Find an client from its object path and remove it.
 
525
        """Find a client by its object path and remove it.
523
526
        
524
527
        This is connected to the ClientRemoved signal from the
525
528
        Mandos server object."""
527
530
            client = self.clients_dict[path]
528
531
        except KeyError:
529
532
            # not found?
 
533
            self.log_message("Unknown client {0!r} ({1!r}) removed"
 
534
                             .format(name, path))
530
535
            return
531
 
        self.remove_client(client, path)
 
536
        client.delete()
532
537
    
533
538
    def add_new_client(self, path):
534
539
        client_proxy_object = self.bus.get_object(self.busname, path)
549
554
        if path is None:
550
555
            path = client.proxy.object_path
551
556
        self.clients_dict[path] = client
552
 
        self.clients.sort(None, lambda c: c.properties[u"Name"])
 
557
        self.clients.sort(None, lambda c: c.properties["Name"])
553
558
        self.refresh()
554
559
    
555
560
    def remove_client(self, client, path=None):
571
576
    
572
577
    def run(self):
573
578
        """Start the main loop and exit when it's done."""
 
579
        self.bus = dbus.SystemBus()
 
580
        mandos_dbus_objc = self.bus.get_object(
 
581
            self.busname, "/", follow_name_owner_changes=True)
 
582
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
583
                                          dbus_interface
 
584
                                          = server_interface)
 
585
        try:
 
586
            mandos_clients = (self.mandos_serv
 
587
                              .GetAllClientsWithProperties())
 
588
            if not mandos_clients:
 
589
                self.log_message_raw(("bold", "Note: Server has no clients."))
 
590
        except dbus.exceptions.DBusException:
 
591
            self.log_message_raw(("bold", "Note: No Mandos servers running."))
 
592
            mandos_clients = dbus.Dictionary()
 
593
        
 
594
        (self.mandos_serv
 
595
         .connect_to_signal("ClientRemoved",
 
596
                            self.find_and_remove_client,
 
597
                            dbus_interface=server_interface,
 
598
                            byte_arrays=True))
 
599
        (self.mandos_serv
 
600
         .connect_to_signal("ClientAdded",
 
601
                            self.add_new_client,
 
602
                            dbus_interface=server_interface,
 
603
                            byte_arrays=True))
 
604
        (self.mandos_serv
 
605
         .connect_to_signal("ClientNotFound",
 
606
                            self.client_not_found,
 
607
                            dbus_interface=server_interface,
 
608
                            byte_arrays=True))
 
609
        for path, client in mandos_clients.iteritems():
 
610
            client_proxy_object = self.bus.get_object(self.busname,
 
611
                                                      path)
 
612
            self.add_client(MandosClientWidget(server_proxy_object
 
613
                                               =self.mandos_serv,
 
614
                                               proxy_object
 
615
                                               =client_proxy_object,
 
616
                                               properties=client,
 
617
                                               update_hook
 
618
                                               =self.refresh,
 
619
                                               delete_hook
 
620
                                               =self.remove_client,
 
621
                                               logger
 
622
                                               =self.log_message),
 
623
                            path=path)
 
624
        
574
625
        self.refresh()
575
626
        self._input_callback_tag = (gobject.io_add_watch
576
627
                                    (sys.stdin.fileno(),
586
637
    
587
638
    def process_input(self, source, condition):
588
639
        keys = self.screen.get_input()
589
 
        translations = { u"ctrl n": u"down",      # Emacs
590
 
                         u"ctrl p": u"up",        # Emacs
591
 
                         u"ctrl v": u"page down", # Emacs
592
 
                         u"meta v": u"page up",   # Emacs
593
 
                         u" ": u"page down",      # less
594
 
                         u"f": u"page down",      # less
595
 
                         u"b": u"page up",        # less
596
 
                         u"j": u"down",           # vi
597
 
                         u"k": u"up",             # vi
 
640
        translations = { "ctrl n": "down",      # Emacs
 
641
                         "ctrl p": "up",        # Emacs
 
642
                         "ctrl v": "page down", # Emacs
 
643
                         "meta v": "page up",   # Emacs
 
644
                         " ": "page down",      # less
 
645
                         "f": "page down",      # less
 
646
                         "b": "page up",        # less
 
647
                         "j": "down",           # vi
 
648
                         "k": "up",             # vi
598
649
                         }
599
650
        for key in keys:
600
651
            try:
602
653
            except KeyError:    # :-)
603
654
                pass
604
655
            
605
 
            if key == u"q" or key == u"Q":
 
656
            if key == "q" or key == "Q":
606
657
                self.stop()
607
658
                break
608
 
            elif key == u"window resize":
 
659
            elif key == "window resize":
609
660
                self.size = self.screen.get_cols_rows()
610
661
                self.refresh()
611
 
            elif key == u"\f":  # Ctrl-L
 
662
            elif key == "\f":  # Ctrl-L
612
663
                self.refresh()
613
 
            elif key == u"l" or key == u"D":
 
664
            elif key == "l" or key == "D":
614
665
                self.toggle_log_display()
615
666
                self.refresh()
616
 
            elif key == u"w" or key == u"i":
 
667
            elif key == "w" or key == "i":
617
668
                self.change_log_display()
618
669
                self.refresh()
619
 
            elif key == u"?" or key == u"f1" or key == u"esc":
 
670
            elif key == "?" or key == "f1" or key == "esc":
620
671
                if not self.log_visible:
621
672
                    self.log_visible = True
622
673
                    self.rebuild()
623
 
                self.log_message_raw((u"bold",
624
 
                                      u"  ".
625
 
                                      join((u"q: Quit",
626
 
                                            u"?: Help",
627
 
                                            u"l: Log window toggle",
628
 
                                            u"TAB: Switch window",
629
 
                                            u"w: Wrap (log)"))))
630
 
                self.log_message_raw((u"bold",
631
 
                                      u"  "
632
 
                                      .join((u"Clients:",
633
 
                                             u"+: Enable",
634
 
                                             u"-: Disable",
635
 
                                             u"r: Remove",
636
 
                                             u"s: Start new checker",
637
 
                                             u"S: Stop checker",
638
 
                                             u"C: Checker OK",
639
 
                                             u"a: Approve",
640
 
                                             u"d: Deny"))))
 
674
                self.log_message_raw(("bold",
 
675
                                      "  ".
 
676
                                      join(("q: Quit",
 
677
                                            "?: Help",
 
678
                                            "l: Log window toggle",
 
679
                                            "TAB: Switch window",
 
680
                                            "w: Wrap (log)"))))
 
681
                self.log_message_raw(("bold",
 
682
                                      "  "
 
683
                                      .join(("Clients:",
 
684
                                             "+: Enable",
 
685
                                             "-: Disable",
 
686
                                             "R: Remove",
 
687
                                             "s: Start new checker",
 
688
                                             "S: Stop checker",
 
689
                                             "C: Checker OK",
 
690
                                             "a: Approve",
 
691
                                             "d: Deny"))))
641
692
                self.refresh()
642
 
            elif key == u"tab":
 
693
            elif key == "tab":
643
694
                if self.topwidget.get_focus() is self.logbox:
644
695
                    self.topwidget.set_focus(0)
645
696
                else:
646
697
                    self.topwidget.set_focus(self.logbox)
647
698
                self.refresh()
648
 
            #elif (key == u"end" or key == u"meta >" or key == u"G"
649
 
            #      or key == u">"):
 
699
            #elif (key == "end" or key == "meta >" or key == "G"
 
700
            #      or key == ">"):
650
701
            #    pass            # xxx end-of-buffer
651
 
            #elif (key == u"home" or key == u"meta <" or key == u"g"
652
 
            #      or key == u"<"):
 
702
            #elif (key == "home" or key == "meta <" or key == "g"
 
703
            #      or key == "<"):
653
704
            #    pass            # xxx beginning-of-buffer
654
 
            #elif key == u"ctrl e" or key == u"$":
 
705
            #elif key == "ctrl e" or key == "$":
655
706
            #    pass            # xxx move-end-of-line
656
 
            #elif key == u"ctrl a" or key == u"^":
 
707
            #elif key == "ctrl a" or key == "^":
657
708
            #    pass            # xxx move-beginning-of-line
658
 
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
 
709
            #elif key == "ctrl b" or key == "meta (" or key == "h":
659
710
            #    pass            # xxx left
660
 
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
 
711
            #elif key == "ctrl f" or key == "meta )" or key == "l":
661
712
            #    pass            # xxx right
662
 
            #elif key == u"a":
 
713
            #elif key == "a":
663
714
            #    pass            # scroll up log
664
 
            #elif key == u"z":
 
715
            #elif key == "z":
665
716
            #    pass            # scroll down log
666
717
            elif self.topwidget.selectable():
667
718
                self.topwidget.keypress(self.size, key)