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  • Committer: Teddy Hogeborn
  • Date: 2012-05-07 19:13:15 UTC
  • Revision ID: teddy@recompile.se-20120507191315-tbe55n4u1uq3l7ft
* mandos: Use all new builtins.
* mandos-ctl: - '' -
* mandos-monitor: - '' -

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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 = "1.5.3"
34
59
 
35
60
# Always run in monochrome mode
36
61
urwid.curses_display.curses.has_colors = lambda : False
40
65
urwid.curses_display.curses.A_UNDERLINE |= (
41
66
    urwid.curses_display.curses.A_BLINK)
42
67
 
 
68
def isoformat_to_datetime(iso):
 
69
    "Parse an ISO 8601 date string to a datetime.datetime()"
 
70
    if not iso:
 
71
        return None
 
72
    d, t = iso.split("T", 1)
 
73
    year, month, day = d.split("-", 2)
 
74
    hour, minute, second = t.split(":", 2)
 
75
    second, fraction = divmod(float(second), 1)
 
76
    return datetime.datetime(int(year),
 
77
                             int(month),
 
78
                             int(day),
 
79
                             int(hour),
 
80
                             int(minute),
 
81
                             int(second),           # Whole seconds
 
82
                             int(fraction*1000000)) # Microseconds
 
83
 
43
84
class MandosClientPropertyCache(object):
44
85
    """This wraps a Mandos Client D-Bus proxy object, caches the
45
86
    properties and calls a hook function when any of them are
49
90
        self.proxy = proxy_object # Mandos Client proxy object
50
91
        
51
92
        self.properties = dict()
52
 
        self.proxy.connect_to_signal(u"PropertyChanged",
53
 
                                     self.property_changed,
54
 
                                     client_interface,
55
 
                                     byte_arrays=True)
 
93
        self.property_changed_match = (
 
94
            self.proxy.connect_to_signal("PropertyChanged",
 
95
                                         self.property_changed,
 
96
                                         client_interface,
 
97
                                         byte_arrays=True))
56
98
        
57
99
        self.properties.update(
58
100
            self.proxy.GetAll(client_interface,
59
101
                              dbus_interface = dbus.PROPERTIES_IFACE))
60
 
        super(MandosClientPropertyCache, self).__init__(
61
 
            proxy_object=proxy_object, *args, **kwargs)
 
102
 
 
103
        #XXX This breaks good super behaviour
 
104
#        super(MandosClientPropertyCache, self).__init__(
 
105
#            *args, **kwargs)
62
106
    
63
107
    def property_changed(self, property=None, value=None):
64
108
        """This is called whenever we get a PropertyChanged signal
66
110
        """
67
111
        # Update properties dict with new value
68
112
        self.properties[property] = value
 
113
    
 
114
    def delete(self, *args, **kwargs):
 
115
        self.property_changed_match.remove()
 
116
        super(MandosClientPropertyCache, self).__init__(
 
117
            *args, **kwargs)
69
118
 
70
119
 
71
120
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
83
132
        # Logger
84
133
        self.logger = logger
85
134
        
 
135
        self._update_timer_callback_tag = None
 
136
        self._update_timer_callback_lock = 0
 
137
        
86
138
        # The widget shown normally
87
 
        self._text_widget = urwid.Text(u"")
 
139
        self._text_widget = urwid.Text("")
88
140
        # The widget shown when we have focus
89
 
        self._focus_text_widget = urwid.Text(u"")
 
141
        self._focus_text_widget = urwid.Text("")
90
142
        super(MandosClientWidget, self).__init__(
91
143
            update_hook=update_hook, delete_hook=delete_hook,
92
144
            *args, **kwargs)
93
145
        self.update()
94
146
        self.opened = False
95
 
        self.proxy.connect_to_signal(u"CheckerCompleted",
96
 
                                     self.checker_completed,
97
 
                                     client_interface,
98
 
                                     byte_arrays=True)
99
 
        self.proxy.connect_to_signal(u"CheckerStarted",
100
 
                                     self.checker_started,
101
 
                                     client_interface,
102
 
                                     byte_arrays=True)
103
 
        self.proxy.connect_to_signal(u"GotSecret",
104
 
                                     self.got_secret,
105
 
                                     client_interface,
106
 
                                     byte_arrays=True)
107
 
        self.proxy.connect_to_signal(u"NeedApproval",
108
 
                                     self.need_approval,
109
 
                                     client_interface,
110
 
                                     byte_arrays=True)
111
 
        self.proxy.connect_to_signal(u"Rejected",
112
 
                                     self.rejected,
113
 
                                     client_interface,
114
 
                                     byte_arrays=True)
 
147
        
 
148
        last_checked_ok = isoformat_to_datetime(self.properties
 
149
                                                ["LastCheckedOK"])
 
150
        
 
151
        if self.properties ["LastCheckerStatus"] != 0:
 
152
            self.using_timer(True)
 
153
        
 
154
        if self.need_approval:
 
155
            self.using_timer(True)
 
156
        
 
157
        self.match_objects = (
 
158
            self.proxy.connect_to_signal("CheckerCompleted",
 
159
                                         self.checker_completed,
 
160
                                         client_interface,
 
161
                                         byte_arrays=True),
 
162
            self.proxy.connect_to_signal("CheckerStarted",
 
163
                                         self.checker_started,
 
164
                                         client_interface,
 
165
                                         byte_arrays=True),
 
166
            self.proxy.connect_to_signal("GotSecret",
 
167
                                         self.got_secret,
 
168
                                         client_interface,
 
169
                                         byte_arrays=True),
 
170
            self.proxy.connect_to_signal("NeedApproval",
 
171
                                         self.need_approval,
 
172
                                         client_interface,
 
173
                                         byte_arrays=True),
 
174
            self.proxy.connect_to_signal("Rejected",
 
175
                                         self.rejected,
 
176
                                         client_interface,
 
177
                                         byte_arrays=True))
 
178
        #self.logger('Created client {0}'
 
179
        #            .format(self.properties["Name"]))
 
180
    
 
181
    def property_changed(self, property=None, value=None):
 
182
        super(self, MandosClientWidget).property_changed(property,
 
183
                                                         value)
 
184
        if property == "ApprovalPending":
 
185
            using_timer(bool(value))
 
186
        if property == "LastCheckerStatus":
 
187
            using_timer(value != 0)
 
188
            #self.logger('Checker for client {0} (command "{1}") was '
 
189
            #            ' successful'.format(self.properties["Name"],
 
190
            #                                 command))
 
191
    
 
192
    def using_timer(self, flag):
 
193
        """Call this method with True or False when timer should be
 
194
        activated or deactivated.
 
195
        """
 
196
        old = self._update_timer_callback_lock
 
197
        if flag:
 
198
            self._update_timer_callback_lock += 1
 
199
        else:
 
200
            self._update_timer_callback_lock -= 1
 
201
        if old == 0 and self._update_timer_callback_lock:
 
202
            # Will update the shown timer value every second
 
203
            self._update_timer_callback_tag = (gobject.timeout_add
 
204
                                               (1000,
 
205
                                                self.update_timer))
 
206
        elif old and self._update_timer_callback_lock == 0:
 
207
            gobject.source_remove(self._update_timer_callback_tag)
 
208
            self._update_timer_callback_tag = None
115
209
    
116
210
    def checker_completed(self, exitstatus, condition, command):
117
211
        if exitstatus == 0:
118
 
            #self.logger(u'Checker for client %s (command "%s")'
119
 
            #            u' was successful'
120
 
            #            % (self.properties[u"name"], command))
 
212
            self.update()
121
213
            return
 
214
        # Checker failed
122
215
        if os.WIFEXITED(condition):
123
 
            self.logger(u'Checker for client %s (command "%s")'
124
 
                        u' failed with exit code %s'
125
 
                        % (self.properties[u"name"], command,
126
 
                           os.WEXITSTATUS(condition)))
127
 
            return
128
 
        if os.WIFSIGNALED(condition):
129
 
            self.logger(u'Checker for client %s (command "%s")'
130
 
                        u' was killed by signal %s'
131
 
                        % (self.properties[u"name"], command,
132
 
                           os.WTERMSIG(condition)))
133
 
            return
134
 
        if os.WCOREDUMP(condition):
135
 
            self.logger(u'Checker for client %s (command "%s")'
136
 
                        u' dumped core'
137
 
                        % (self.properties[u"name"], command))
138
 
        self.logger(u'Checker for client %s completed mysteriously')
 
216
            self.logger('Checker for client {0} (command "{1}")'
 
217
                        ' failed with exit code {2}'
 
218
                        .format(self.properties["Name"], command,
 
219
                                os.WEXITSTATUS(condition)))
 
220
        elif os.WIFSIGNALED(condition):
 
221
            self.logger('Checker for client {0} (command "{1}") was'
 
222
                        ' killed by signal {2}'
 
223
                        .format(self.properties["Name"], command,
 
224
                                os.WTERMSIG(condition)))
 
225
        elif os.WCOREDUMP(condition):
 
226
            self.logger('Checker for client {0} (command "{1}")'
 
227
                        ' dumped core'
 
228
                        .format(self.properties["Name"], command))
 
229
        else:
 
230
            self.logger('Checker for client {0} completed'
 
231
                        ' mysteriously'
 
232
                        .format(self.properties["Name"]))
 
233
        self.update()
139
234
    
140
235
    def checker_started(self, command):
141
 
        #self.logger(u'Client %s started checker "%s"'
142
 
        #            % (self.properties[u"name"], unicode(command)))
 
236
        """Server signals that a checker started. This could be useful
 
237
           to log in the future. """
 
238
        #self.logger('Client {0} started checker "{1}"'
 
239
        #            .format(self.properties["Name"],
 
240
        #                    unicode(command)))
143
241
        pass
144
242
    
145
243
    def got_secret(self):
146
 
        self.logger(u'Client %s received its secret'
147
 
                    % self.properties[u"name"])
 
244
        self.logger('Client {0} received its secret'
 
245
                    .format(self.properties["Name"]))
148
246
    
149
247
    def need_approval(self, timeout, default):
150
248
        if not default:
151
 
            message = u'Client %s needs approval within %s seconds'
 
249
            message = 'Client {0} needs approval within {1} seconds'
152
250
        else:
153
 
            message = u'Client %s will get its secret in %s seconds'
154
 
        self.logger(message
155
 
                    % (self.properties[u"name"], timeout/1000))
 
251
            message = 'Client {0} will get its secret in {1} seconds'
 
252
        self.logger(message.format(self.properties["Name"],
 
253
                                   timeout/1000))
 
254
        self.using_timer(True)
156
255
    
157
256
    def rejected(self, reason):
158
 
        self.logger(u'Client %s was rejected; reason: %s'
159
 
                    % (self.properties[u"name"], reason))
 
257
        self.logger('Client {0} was rejected; reason: {1}'
 
258
                    .format(self.properties["Name"], reason))
160
259
    
161
260
    def selectable(self):
162
261
        """Make this a "selectable" widget.
163
262
        This overrides the method from urwid.FlowWidget."""
164
263
        return True
165
264
    
166
 
    def rows(self, (maxcol,), focus=False):
 
265
    def rows(self, maxcolrow, focus=False):
167
266
        """How many rows this widget will occupy might depend on
168
267
        whether we have focus or not.
169
268
        This overrides the method from urwid.FlowWidget"""
170
 
        return self.current_widget(focus).rows((maxcol,), focus=focus)
 
269
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
171
270
    
172
271
    def current_widget(self, focus=False):
173
272
        if focus or self.opened:
177
276
    def update(self):
178
277
        "Called when what is visible on the screen should be updated."
179
278
        # How to add standout mode to a style
180
 
        with_standout = { u"normal": u"standout",
181
 
                          u"bold": u"bold-standout",
182
 
                          u"underline-blink":
183
 
                              u"underline-blink-standout",
184
 
                          u"bold-underline-blink":
185
 
                              u"bold-underline-blink-standout",
 
279
        with_standout = { "normal": "standout",
 
280
                          "bold": "bold-standout",
 
281
                          "underline-blink":
 
282
                              "underline-blink-standout",
 
283
                          "bold-underline-blink":
 
284
                              "bold-underline-blink-standout",
186
285
                          }
187
 
        
 
286
 
188
287
        # Rebuild focus and non-focus widgets using current properties
189
 
        self._text = (u'%(name)s: %(enabled)s'
190
 
                      % { u"name": self.properties[u"name"],
191
 
                          u"enabled":
192
 
                              (u"enabled"
193
 
                               if self.properties[u"enabled"]
194
 
                               else u"DISABLED")})
 
288
 
 
289
        # Base part of a client. Name!
 
290
        base = '{name}: '.format(name=self.properties["Name"])
 
291
        if not self.properties["Enabled"]:
 
292
            message = "DISABLED"
 
293
        elif self.properties["ApprovalPending"]:
 
294
            timeout = datetime.timedelta(milliseconds
 
295
                                         = self.properties
 
296
                                         ["ApprovalDelay"])
 
297
            last_approval_request = isoformat_to_datetime(
 
298
                self.properties["LastApprovalRequest"])
 
299
            if last_approval_request is not None:
 
300
                timer = timeout - (datetime.datetime.utcnow()
 
301
                                   - last_approval_request)
 
302
            else:
 
303
                timer = datetime.timedelta()
 
304
            if self.properties["ApprovedByDefault"]:
 
305
                message = "Approval in {0}. (d)eny?"
 
306
            else:
 
307
                message = "Denial in {0}. (a)pprove?"
 
308
            message = message.format(unicode(timer).rsplit(".", 1)[0])
 
309
        elif self.properties["LastCheckerStatus"] != 0:
 
310
            # When checker has failed, show timer until client expires
 
311
            expires = self.properties["Expires"]
 
312
            if expires == "":
 
313
                timer = datetime.timedelta(0)
 
314
            else:
 
315
                expires = (datetime.datetime.strptime
 
316
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
 
317
                timer = expires - datetime.datetime.utcnow()
 
318
            message = ('A checker has failed! Time until client'
 
319
                       ' gets disabled: {0}'
 
320
                       .format(unicode(timer).rsplit(".", 1)[0]))
 
321
        else:
 
322
            message = "enabled"
 
323
        self._text = "{0}{1}".format(base, message)
 
324
            
195
325
        if not urwid.supports_unicode():
196
326
            self._text = self._text.encode("ascii", "replace")
197
 
        textlist = [(u"normal", self._text)]
 
327
        textlist = [("normal", self._text)]
198
328
        self._text_widget.set_text(textlist)
199
329
        self._focus_text_widget.set_text([(with_standout[text[0]],
200
330
                                           text[1])
208
338
        if self.update_hook is not None:
209
339
            self.update_hook()
210
340
    
211
 
    def delete(self):
 
341
    def update_timer(self):
 
342
        """called by gobject. Will indefinitely loop until
 
343
        gobject.source_remove() on tag is called"""
 
344
        self.update()
 
345
        return True             # Keep calling this
 
346
    
 
347
    def delete(self, *args, **kwargs):
 
348
        if self._update_timer_callback_tag is not None:
 
349
            gobject.source_remove(self._update_timer_callback_tag)
 
350
            self._update_timer_callback_tag = None
 
351
        for match in self.match_objects:
 
352
            match.remove()
 
353
        self.match_objects = ()
212
354
        if self.delete_hook is not None:
213
355
            self.delete_hook(self)
 
356
        return super(MandosClientWidget, self).delete(*args, **kwargs)
214
357
    
215
 
    def render(self, (maxcol,), focus=False):
 
358
    def render(self, maxcolrow, focus=False):
216
359
        """Render differently if we have focus.
217
360
        This overrides the method from urwid.FlowWidget"""
218
 
        return self.current_widget(focus).render((maxcol,),
 
361
        return self.current_widget(focus).render(maxcolrow,
219
362
                                                 focus=focus)
220
363
    
221
 
    def keypress(self, (maxcol,), key):
 
364
    def keypress(self, maxcolrow, key):
222
365
        """Handle keys.
223
366
        This overrides the method from urwid.FlowWidget"""
224
 
        if key == u"e" or key == u"+":
225
 
            self.proxy.Enable()
226
 
        elif key == u"d" or key == u"-":
227
 
            self.proxy.Disable()
228
 
        elif key == u"r" or key == u"_" or key == u"ctrl k":
 
367
        if key == "+":
 
368
            self.proxy.Enable(dbus_interface = client_interface,
 
369
                              ignore_reply=True)
 
370
        elif key == "-":
 
371
            self.proxy.Disable(dbus_interface = client_interface,
 
372
                               ignore_reply=True)
 
373
        elif key == "a":
 
374
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
 
375
                               dbus_interface = client_interface,
 
376
                               ignore_reply=True)
 
377
        elif key == "d":
 
378
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
 
379
                                  dbus_interface = client_interface,
 
380
                               ignore_reply=True)
 
381
        elif key == "R" or key == "_" or key == "ctrl k":
229
382
            self.server_proxy_object.RemoveClient(self.proxy
230
 
                                                  .object_path)
231
 
        elif key == u"s":
232
 
            self.proxy.StartChecker()
233
 
        elif key == u"S":
234
 
            self.proxy.StopChecker()
235
 
        elif key == u"C":
236
 
            self.proxy.CheckedOK()
 
383
                                                  .object_path,
 
384
                                                  ignore_reply=True)
 
385
        elif key == "s":
 
386
            self.proxy.StartChecker(dbus_interface = client_interface,
 
387
                                    ignore_reply=True)
 
388
        elif key == "S":
 
389
            self.proxy.StopChecker(dbus_interface = client_interface,
 
390
                                   ignore_reply=True)
 
391
        elif key == "C":
 
392
            self.proxy.CheckedOK(dbus_interface = client_interface,
 
393
                                 ignore_reply=True)
237
394
        # xxx
238
 
#         elif key == u"p" or key == "=":
 
395
#         elif key == "p" or key == "=":
239
396
#             self.proxy.pause()
240
 
#         elif key == u"u" or key == ":":
 
397
#         elif key == "u" or key == ":":
241
398
#             self.proxy.unpause()
242
 
#         elif key == u"RET":
 
399
#         elif key == "RET":
243
400
#             self.open()
244
 
        elif key == u"+":
245
 
            self.proxy.Approve(True)
246
 
        elif key == u"-":
247
 
            self.proxy.Approve(False)
248
401
        else:
249
402
            return key
250
403
    
265
418
    "down" key presses, thus not allowing any containing widgets to
266
419
    use them as an excuse to shift focus away from this widget.
267
420
    """
268
 
    def keypress(self, (maxcol, maxrow), key):
269
 
        ret = super(ConstrainedListBox, self).keypress((maxcol, maxrow), key)
270
 
        if ret in (u"up", u"down"):
 
421
    def keypress(self, maxcolrow, key):
 
422
        ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
 
423
        if ret in ("up", "down"):
271
424
            return
272
425
        return ret
273
426
 
282
435
        self.screen = urwid.curses_display.Screen()
283
436
        
284
437
        self.screen.register_palette((
285
 
                (u"normal",
286
 
                 u"default", u"default", None),
287
 
                (u"bold",
288
 
                 u"default", u"default", u"bold"),
289
 
                (u"underline-blink",
290
 
                 u"default", u"default", u"underline"),
291
 
                (u"standout",
292
 
                 u"default", u"default", u"standout"),
293
 
                (u"bold-underline-blink",
294
 
                 u"default", u"default", (u"bold", u"underline")),
295
 
                (u"bold-standout",
296
 
                 u"default", u"default", (u"bold", u"standout")),
297
 
                (u"underline-blink-standout",
298
 
                 u"default", u"default", (u"underline", u"standout")),
299
 
                (u"bold-underline-blink-standout",
300
 
                 u"default", u"default", (u"bold", u"underline",
301
 
                                          u"standout")),
 
438
                ("normal",
 
439
                 "default", "default", None),
 
440
                ("bold",
 
441
                 "default", "default", "bold"),
 
442
                ("underline-blink",
 
443
                 "default", "default", "underline"),
 
444
                ("standout",
 
445
                 "default", "default", "standout"),
 
446
                ("bold-underline-blink",
 
447
                 "default", "default", ("bold", "underline")),
 
448
                ("bold-standout",
 
449
                 "default", "default", ("bold", "standout")),
 
450
                ("underline-blink-standout",
 
451
                 "default", "default", ("underline", "standout")),
 
452
                ("bold-underline-blink-standout",
 
453
                 "default", "default", ("bold", "underline",
 
454
                                          "standout")),
302
455
                ))
303
456
        
304
457
        if urwid.supports_unicode():
305
 
            self.divider = u"─" # \u2500
306
 
            #self.divider = u"━" # \u2501
 
458
            self.divider = "─" # \u2500
 
459
            #self.divider = "━" # \u2501
307
460
        else:
308
 
            #self.divider = u"-" # \u002d
309
 
            self.divider = u"_" # \u005f
 
461
            #self.divider = "-" # \u002d
 
462
            self.divider = "_" # \u005f
310
463
        
311
464
        self.screen.start()
312
465
        
326
479
        # This keeps track of whether self.uilist currently has
327
480
        # self.logbox in it or not
328
481
        self.log_visible = True
329
 
        self.log_wrap = u"any"
 
482
        self.log_wrap = "any"
330
483
        
331
484
        self.rebuild()
332
 
        self.log_message_raw((u"bold",
333
 
                              u"Mandos Monitor version " + version))
334
 
        self.log_message_raw((u"bold",
335
 
                              u"q: Quit  ?: Help"))
 
485
        self.log_message_raw(("bold",
 
486
                              "Mandos Monitor version " + version))
 
487
        self.log_message_raw(("bold",
 
488
                              "q: Quit  ?: Help"))
336
489
        
337
490
        self.busname = domain + '.Mandos'
338
491
        self.main_loop = gobject.MainLoop()
339
 
        self.bus = dbus.SystemBus()
340
 
        mandos_dbus_objc = self.bus.get_object(
341
 
            self.busname, u"/", follow_name_owner_changes=True)
342
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
343
 
                                          dbus_interface
344
 
                                          = server_interface)
345
 
        try:
346
 
            mandos_clients = (self.mandos_serv
347
 
                              .GetAllClientsWithProperties())
348
 
        except dbus.exceptions.DBusException:
349
 
            mandos_clients = dbus.Dictionary()
350
 
        
351
 
        (self.mandos_serv
352
 
         .connect_to_signal(u"ClientRemoved",
353
 
                            self.find_and_remove_client,
354
 
                            dbus_interface=server_interface,
355
 
                            byte_arrays=True))
356
 
        (self.mandos_serv
357
 
         .connect_to_signal(u"ClientAdded",
358
 
                            self.add_new_client,
359
 
                            dbus_interface=server_interface,
360
 
                            byte_arrays=True))
361
 
        (self.mandos_serv
362
 
         .connect_to_signal(u"ClientNotFound",
363
 
                            self.client_not_found,
364
 
                            dbus_interface=server_interface,
365
 
                            byte_arrays=True))
366
 
        for path, client in mandos_clients.iteritems():
367
 
            client_proxy_object = self.bus.get_object(self.busname,
368
 
                                                      path)
369
 
            self.add_client(MandosClientWidget(server_proxy_object
370
 
                                               =self.mandos_serv,
371
 
                                               proxy_object
372
 
                                               =client_proxy_object,
373
 
                                               properties=client,
374
 
                                               update_hook
375
 
                                               =self.refresh,
376
 
                                               delete_hook
377
 
                                               =self.remove_client,
378
 
                                               logger
379
 
                                               =self.log_message),
380
 
                            path=path)
381
492
    
382
493
    def client_not_found(self, fingerprint, address):
383
 
        self.log_message((u"Client with address %s and fingerprint %s"
384
 
                          u" could not be found" % (address,
385
 
                                                    fingerprint)))
 
494
        self.log_message("Client with address {0} and fingerprint"
 
495
                         " {1} could not be found"
 
496
                         .format(address, fingerprint))
386
497
    
387
498
    def rebuild(self):
388
499
        """This rebuilds the User Interface.
389
500
        Call this when the widget layout needs to change"""
390
501
        self.uilist = []
391
502
        #self.uilist.append(urwid.ListBox(self.clients))
392
 
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
 
503
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
 
504
                                                          clients),
393
505
                                       #header=urwid.Divider(),
394
506
                                       header=None,
395
 
                                       footer=urwid.Divider(div_char=self.divider)))
 
507
                                       footer=
 
508
                                       urwid.Divider(div_char=
 
509
                                                     self.divider)))
396
510
        if self.log_visible:
397
511
            self.uilist.append(self.logbox)
398
 
            pass
399
512
        self.topwidget = urwid.Pile(self.uilist)
400
513
    
401
514
    def log_message(self, message):
402
515
        timestamp = datetime.datetime.now().isoformat()
403
 
        self.log_message_raw(timestamp + u": " + message)
 
516
        self.log_message_raw(timestamp + ": " + message)
404
517
    
405
518
    def log_message_raw(self, markup):
406
519
        """Add a log message to the log buffer."""
409
522
            and len(self.log) > self.max_log_length):
410
523
            del self.log[0:len(self.log)-self.max_log_length-1]
411
524
        self.logbox.set_focus(len(self.logbox.body.contents),
412
 
                              coming_from=u"above")
 
525
                              coming_from="above")
413
526
        self.refresh()
414
527
    
415
528
    def toggle_log_display(self):
416
529
        """Toggle visibility of the log buffer."""
417
530
        self.log_visible = not self.log_visible
418
531
        self.rebuild()
419
 
        self.log_message(u"Log visibility changed to: "
420
 
                         + unicode(self.log_visible))
 
532
        #self.log_message("Log visibility changed to: "
 
533
        #                 + unicode(self.log_visible))
421
534
    
422
535
    def change_log_display(self):
423
536
        """Change type of log display.
424
537
        Currently, this toggles wrapping of text lines."""
425
 
        if self.log_wrap == u"clip":
426
 
            self.log_wrap = u"any"
 
538
        if self.log_wrap == "clip":
 
539
            self.log_wrap = "any"
427
540
        else:
428
 
            self.log_wrap = u"clip"
 
541
            self.log_wrap = "clip"
429
542
        for textwidget in self.log:
430
543
            textwidget.set_wrap_mode(self.log_wrap)
431
 
        self.log_message(u"Wrap mode: " + self.log_wrap)
 
544
        #self.log_message("Wrap mode: " + self.log_wrap)
432
545
    
433
546
    def find_and_remove_client(self, path, name):
434
 
        """Find an client from its object path and remove it.
 
547
        """Find a client by its object path and remove it.
435
548
        
436
549
        This is connected to the ClientRemoved signal from the
437
550
        Mandos server object."""
439
552
            client = self.clients_dict[path]
440
553
        except KeyError:
441
554
            # not found?
 
555
            self.log_message("Unknown client {0!r} ({1!r}) removed"
 
556
                             .format(name, path))
442
557
            return
443
 
        self.remove_client(client, path)
 
558
        client.delete()
444
559
    
445
560
    def add_new_client(self, path):
446
561
        client_proxy_object = self.bus.get_object(self.busname, path)
461
576
        if path is None:
462
577
            path = client.proxy.object_path
463
578
        self.clients_dict[path] = client
464
 
        self.clients.sort(None, lambda c: c.properties[u"name"])
 
579
        self.clients.sort(None, lambda c: c.properties["Name"])
465
580
        self.refresh()
466
581
    
467
582
    def remove_client(self, client, path=None):
483
598
    
484
599
    def run(self):
485
600
        """Start the main loop and exit when it's done."""
 
601
        self.bus = dbus.SystemBus()
 
602
        mandos_dbus_objc = self.bus.get_object(
 
603
            self.busname, "/", follow_name_owner_changes=True)
 
604
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
605
                                          dbus_interface
 
606
                                          = server_interface)
 
607
        try:
 
608
            mandos_clients = (self.mandos_serv
 
609
                              .GetAllClientsWithProperties())
 
610
        except dbus.exceptions.DBusException:
 
611
            mandos_clients = dbus.Dictionary()
 
612
        
 
613
        (self.mandos_serv
 
614
         .connect_to_signal("ClientRemoved",
 
615
                            self.find_and_remove_client,
 
616
                            dbus_interface=server_interface,
 
617
                            byte_arrays=True))
 
618
        (self.mandos_serv
 
619
         .connect_to_signal("ClientAdded",
 
620
                            self.add_new_client,
 
621
                            dbus_interface=server_interface,
 
622
                            byte_arrays=True))
 
623
        (self.mandos_serv
 
624
         .connect_to_signal("ClientNotFound",
 
625
                            self.client_not_found,
 
626
                            dbus_interface=server_interface,
 
627
                            byte_arrays=True))
 
628
        for path, client in mandos_clients.iteritems():
 
629
            client_proxy_object = self.bus.get_object(self.busname,
 
630
                                                      path)
 
631
            self.add_client(MandosClientWidget(server_proxy_object
 
632
                                               =self.mandos_serv,
 
633
                                               proxy_object
 
634
                                               =client_proxy_object,
 
635
                                               properties=client,
 
636
                                               update_hook
 
637
                                               =self.refresh,
 
638
                                               delete_hook
 
639
                                               =self.remove_client,
 
640
                                               logger
 
641
                                               =self.log_message),
 
642
                            path=path)
 
643
 
486
644
        self.refresh()
487
645
        self._input_callback_tag = (gobject.io_add_watch
488
646
                                    (sys.stdin.fileno(),
498
656
    
499
657
    def process_input(self, source, condition):
500
658
        keys = self.screen.get_input()
501
 
        translations = { u"ctrl n": u"down",      # Emacs
502
 
                         u"ctrl p": u"up",        # Emacs
503
 
                         u"ctrl v": u"page down", # Emacs
504
 
                         u"meta v": u"page up",   # Emacs
505
 
                         u" ": u"page down",      # less
506
 
                         u"f": u"page down",      # less
507
 
                         u"b": u"page up",        # less
508
 
                         u"j": u"down",           # vi
509
 
                         u"k": u"up",             # vi
 
659
        translations = { "ctrl n": "down",      # Emacs
 
660
                         "ctrl p": "up",        # Emacs
 
661
                         "ctrl v": "page down", # Emacs
 
662
                         "meta v": "page up",   # Emacs
 
663
                         " ": "page down",      # less
 
664
                         "f": "page down",      # less
 
665
                         "b": "page up",        # less
 
666
                         "j": "down",           # vi
 
667
                         "k": "up",             # vi
510
668
                         }
511
669
        for key in keys:
512
670
            try:
514
672
            except KeyError:    # :-)
515
673
                pass
516
674
            
517
 
            if key == u"q" or key == u"Q":
 
675
            if key == "q" or key == "Q":
518
676
                self.stop()
519
677
                break
520
 
            elif key == u"window resize":
 
678
            elif key == "window resize":
521
679
                self.size = self.screen.get_cols_rows()
522
680
                self.refresh()
523
 
            elif key == u"\f":  # Ctrl-L
 
681
            elif key == "\f":  # Ctrl-L
524
682
                self.refresh()
525
 
            elif key == u"l" or key == u"D":
 
683
            elif key == "l" or key == "D":
526
684
                self.toggle_log_display()
527
685
                self.refresh()
528
 
            elif key == u"w" or key == u"i":
 
686
            elif key == "w" or key == "i":
529
687
                self.change_log_display()
530
688
                self.refresh()
531
 
            elif key == u"?" or key == u"f1" or key == u"esc":
 
689
            elif key == "?" or key == "f1" or key == "esc":
532
690
                if not self.log_visible:
533
691
                    self.log_visible = True
534
692
                    self.rebuild()
535
 
                self.log_message_raw((u"bold",
536
 
                                      u"  ".
537
 
                                      join((u"q: Quit",
538
 
                                            u"?: Help",
539
 
                                            u"l: Log window toggle",
540
 
                                            u"TAB: Switch window",
541
 
                                            u"w: Wrap (log)"))))
542
 
                self.log_message_raw((u"bold",
543
 
                                      u"  "
544
 
                                      .join((u"Clients:",
545
 
                                             u"e: Enable",
546
 
                                             u"d: Disable",
547
 
                                             u"r: Remove",
548
 
                                             u"s: Start new checker",
549
 
                                             u"S: Stop checker",
550
 
                                             u"C: Checker OK"))))
 
693
                self.log_message_raw(("bold",
 
694
                                      "  ".
 
695
                                      join(("q: Quit",
 
696
                                            "?: Help",
 
697
                                            "l: Log window toggle",
 
698
                                            "TAB: Switch window",
 
699
                                            "w: Wrap (log)"))))
 
700
                self.log_message_raw(("bold",
 
701
                                      "  "
 
702
                                      .join(("Clients:",
 
703
                                             "+: Enable",
 
704
                                             "-: Disable",
 
705
                                             "R: Remove",
 
706
                                             "s: Start new checker",
 
707
                                             "S: Stop checker",
 
708
                                             "C: Checker OK",
 
709
                                             "a: Approve",
 
710
                                             "d: Deny"))))
551
711
                self.refresh()
552
 
            elif key == u"tab":
 
712
            elif key == "tab":
553
713
                if self.topwidget.get_focus() is self.logbox:
554
714
                    self.topwidget.set_focus(0)
555
715
                else:
556
716
                    self.topwidget.set_focus(self.logbox)
557
717
                self.refresh()
558
 
            #elif (key == u"end" or key == u"meta >" or key == u"G"
559
 
            #      or key == u">"):
 
718
            #elif (key == "end" or key == "meta >" or key == "G"
 
719
            #      or key == ">"):
560
720
            #    pass            # xxx end-of-buffer
561
 
            #elif (key == u"home" or key == u"meta <" or key == u"g"
562
 
            #      or key == u"<"):
 
721
            #elif (key == "home" or key == "meta <" or key == "g"
 
722
            #      or key == "<"):
563
723
            #    pass            # xxx beginning-of-buffer
564
 
            #elif key == u"ctrl e" or key == u"$":
 
724
            #elif key == "ctrl e" or key == "$":
565
725
            #    pass            # xxx move-end-of-line
566
 
            #elif key == u"ctrl a" or key == u"^":
 
726
            #elif key == "ctrl a" or key == "^":
567
727
            #    pass            # xxx move-beginning-of-line
568
 
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
 
728
            #elif key == "ctrl b" or key == "meta (" or key == "h":
569
729
            #    pass            # xxx left
570
 
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
 
730
            #elif key == "ctrl f" or key == "meta )" or key == "l":
571
731
            #    pass            # xxx right
572
 
            #elif key == u"a":
 
732
            #elif key == "a":
573
733
            #    pass            # scroll up log
574
 
            #elif key == u"z":
 
734
            #elif key == "z":
575
735
            #    pass            # scroll down log
576
736
            elif self.topwidget.selectable():
577
737
                self.topwidget.keypress(self.size, key)
581
741
ui = UserInterface()
582
742
try:
583
743
    ui.run()
 
744
except KeyboardInterrupt:
 
745
    ui.screen.stop()
584
746
except Exception, e:
585
747
    ui.log_message(unicode(e))
586
748
    ui.screen.stop()