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mandos-monitor
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# 
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# Mandos Monitor - Control and monitor the Mandos server
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# 
6
 
# Copyright © 2009-2012 Teddy Hogeborn
7
 
# Copyright © 2009-2012 Björn Påhlsson
 
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# Copyright © 2009,2010 Teddy Hogeborn
 
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# Copyright © 2009,2010 Björn Påhlsson
8
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# 
9
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# This program is free software: you can redistribute it and/or modify
10
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# it under the terms of the GNU General Public License as published by
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#     GNU General Public License for more details.
18
18
# 
19
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/>.
 
20
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
22
21
# 
23
 
# Contact the authors at <mandos@recompile.se>.
 
22
# Contact the authors at <mandos@fukt.bsnet.se>.
24
23
# 
25
24
 
26
 
from __future__ import (division, absolute_import, print_function,
27
 
                        unicode_literals)
 
25
from __future__ import division, absolute_import, with_statement
28
26
 
29
27
import sys
30
28
import os
44
42
 
45
43
import locale
46
44
 
47
 
locale.setlocale(locale.LC_ALL, '')
 
45
locale.setlocale(locale.LC_ALL, u'')
48
46
 
49
47
import logging
50
48
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
51
49
 
52
50
# Some useful constants
53
 
domain = 'se.recompile'
 
51
domain = 'se.bsnet.fukt'
54
52
server_interface = domain + '.Mandos'
55
53
client_interface = domain + '.Mandos.Client'
56
 
version = "1.5.3"
 
54
version = "1.2"
57
55
 
58
56
# Always run in monochrome mode
59
57
urwid.curses_display.curses.has_colors = lambda : False
67
65
    "Parse an ISO 8601 date string to a datetime.datetime()"
68
66
    if not iso:
69
67
        return None
70
 
    d, t = iso.split("T", 1)
71
 
    year, month, day = d.split("-", 2)
72
 
    hour, minute, second = t.split(":", 2)
 
68
    d, t = iso.split(u"T", 1)
 
69
    year, month, day = d.split(u"-", 2)
 
70
    hour, minute, second = t.split(u":", 2)
73
71
    second, fraction = divmod(float(second), 1)
74
72
    return datetime.datetime(int(year),
75
73
                             int(month),
88
86
        self.proxy = proxy_object # Mandos Client proxy object
89
87
        
90
88
        self.properties = dict()
91
 
        self.property_changed_match = (
92
 
            self.proxy.connect_to_signal("PropertyChanged",
93
 
                                         self.property_changed,
94
 
                                         client_interface,
95
 
                                         byte_arrays=True))
 
89
        self.proxy.connect_to_signal(u"PropertyChanged",
 
90
                                     self.property_changed,
 
91
                                     client_interface,
 
92
                                     byte_arrays=True)
96
93
        
97
94
        self.properties.update(
98
95
            self.proxy.GetAll(client_interface,
99
96
                              dbus_interface = dbus.PROPERTIES_IFACE))
100
97
 
101
 
        #XXX This breaks good super behaviour
 
98
        #XXX This break good super behaviour!
102
99
#        super(MandosClientPropertyCache, self).__init__(
103
100
#            *args, **kwargs)
104
101
    
108
105
        """
109
106
        # Update properties dict with new value
110
107
        self.properties[property] = value
111
 
    
112
 
    def delete(self, *args, **kwargs):
113
 
        self.property_changed_match.remove()
114
 
        super(MandosClientPropertyCache, self).__init__(
115
 
            *args, **kwargs)
116
108
 
117
109
 
118
110
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
132
124
        
133
125
        self._update_timer_callback_tag = None
134
126
        self._update_timer_callback_lock = 0
 
127
        self.last_checker_failed = False
135
128
        
136
129
        # The widget shown normally
137
 
        self._text_widget = urwid.Text("")
 
130
        self._text_widget = urwid.Text(u"")
138
131
        # The widget shown when we have focus
139
 
        self._focus_text_widget = urwid.Text("")
 
132
        self._focus_text_widget = urwid.Text(u"")
140
133
        super(MandosClientWidget, self).__init__(
141
134
            update_hook=update_hook, delete_hook=delete_hook,
142
135
            *args, **kwargs)
144
137
        self.opened = False
145
138
        
146
139
        last_checked_ok = isoformat_to_datetime(self.properties
147
 
                                                ["LastCheckedOK"])
 
140
                                                [u"LastCheckedOK"])
 
141
        if last_checked_ok is None:
 
142
            self.last_checker_failed = True
 
143
        else:
 
144
            self.last_checker_failed = ((datetime.datetime.utcnow()
 
145
                                         - last_checked_ok)
 
146
                                        > datetime.timedelta
 
147
                                        (milliseconds=
 
148
                                         self.properties
 
149
                                         [u"Interval"]))
148
150
        
149
 
        if self.properties ["LastCheckerStatus"] != 0:
 
151
        if self.last_checker_failed:
150
152
            self.using_timer(True)
151
153
        
152
154
        if self.need_approval:
153
155
            self.using_timer(True)
154
156
        
155
 
        self.match_objects = (
156
 
            self.proxy.connect_to_signal("CheckerCompleted",
157
 
                                         self.checker_completed,
158
 
                                         client_interface,
159
 
                                         byte_arrays=True),
160
 
            self.proxy.connect_to_signal("CheckerStarted",
161
 
                                         self.checker_started,
162
 
                                         client_interface,
163
 
                                         byte_arrays=True),
164
 
            self.proxy.connect_to_signal("GotSecret",
165
 
                                         self.got_secret,
166
 
                                         client_interface,
167
 
                                         byte_arrays=True),
168
 
            self.proxy.connect_to_signal("NeedApproval",
169
 
                                         self.need_approval,
170
 
                                         client_interface,
171
 
                                         byte_arrays=True),
172
 
            self.proxy.connect_to_signal("Rejected",
173
 
                                         self.rejected,
174
 
                                         client_interface,
175
 
                                         byte_arrays=True))
176
 
        #self.logger('Created client {0}'
177
 
        #            .format(self.properties["Name"]))
 
157
        self.proxy.connect_to_signal(u"CheckerCompleted",
 
158
                                     self.checker_completed,
 
159
                                     client_interface,
 
160
                                     byte_arrays=True)
 
161
        self.proxy.connect_to_signal(u"CheckerStarted",
 
162
                                     self.checker_started,
 
163
                                     client_interface,
 
164
                                     byte_arrays=True)
 
165
        self.proxy.connect_to_signal(u"GotSecret",
 
166
                                     self.got_secret,
 
167
                                     client_interface,
 
168
                                     byte_arrays=True)
 
169
        self.proxy.connect_to_signal(u"NeedApproval",
 
170
                                     self.need_approval,
 
171
                                     client_interface,
 
172
                                     byte_arrays=True)
 
173
        self.proxy.connect_to_signal(u"Rejected",
 
174
                                     self.rejected,
 
175
                                     client_interface,
 
176
                                     byte_arrays=True)
178
177
    
179
178
    def property_changed(self, property=None, value=None):
180
179
        super(self, MandosClientWidget).property_changed(property,
181
180
                                                         value)
182
 
        if property == "ApprovalPending":
 
181
        if property == u"ApprovalPending":
183
182
            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
 
    
 
183
        
190
184
    def using_timer(self, flag):
191
185
        """Call this method with True or False when timer should be
192
186
        activated or deactivated.
197
191
        else:
198
192
            self._update_timer_callback_lock -= 1
199
193
        if old == 0 and self._update_timer_callback_lock:
200
 
            # Will update the shown timer value every second
201
194
            self._update_timer_callback_tag = (gobject.timeout_add
202
195
                                               (1000,
203
196
                                                self.update_timer))
207
200
    
208
201
    def checker_completed(self, exitstatus, condition, command):
209
202
        if exitstatus == 0:
 
203
            if self.last_checker_failed:
 
204
                self.last_checker_failed = False
 
205
                self.using_timer(False)
 
206
            #self.logger(u'Checker for client %s (command "%s")'
 
207
            #            u' was successful'
 
208
            #            % (self.properties[u"Name"], command))
210
209
            self.update()
211
210
            return
212
211
        # Checker failed
 
212
        if not self.last_checker_failed:
 
213
            self.last_checker_failed = True
 
214
            self.using_timer(True)
213
215
        if os.WIFEXITED(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)))
 
216
            self.logger(u'Checker for client %s (command "%s")'
 
217
                        u' failed with exit code %s'
 
218
                        % (self.properties[u"Name"], command,
 
219
                           os.WEXITSTATUS(condition)))
218
220
        elif os.WIFSIGNALED(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)))
 
221
            self.logger(u'Checker for client %s (command "%s")'
 
222
                        u' was killed by signal %s'
 
223
                        % (self.properties[u"Name"], command,
 
224
                           os.WTERMSIG(condition)))
223
225
        elif os.WCOREDUMP(condition):
224
 
            self.logger('Checker for client {0} (command "{1}")'
225
 
                        ' dumped core'
226
 
                        .format(self.properties["Name"], command))
 
226
            self.logger(u'Checker for client %s (command "%s")'
 
227
                        u' dumped core'
 
228
                        % (self.properties[u"Name"], command))
227
229
        else:
228
 
            self.logger('Checker for client {0} completed'
229
 
                        ' mysteriously'
230
 
                        .format(self.properties["Name"]))
 
230
            self.logger(u'Checker for client %s completed'
 
231
                        u' mysteriously')
231
232
        self.update()
232
233
    
233
234
    def checker_started(self, command):
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)))
 
235
        #self.logger(u'Client %s started checker "%s"'
 
236
        #            % (self.properties[u"Name"], unicode(command)))
239
237
        pass
240
238
    
241
239
    def got_secret(self):
242
 
        self.logger('Client {0} received its secret'
243
 
                    .format(self.properties["Name"]))
 
240
        self.last_checker_failed = False
 
241
        self.logger(u'Client %s received its secret'
 
242
                    % self.properties[u"Name"])
244
243
    
245
244
    def need_approval(self, timeout, default):
246
245
        if not default:
247
 
            message = 'Client {0} needs approval within {1} seconds'
 
246
            message = u'Client %s needs approval within %s seconds'
248
247
        else:
249
 
            message = 'Client {0} will get its secret in {1} seconds'
250
 
        self.logger(message.format(self.properties["Name"],
251
 
                                   timeout/1000))
 
248
            message = u'Client %s will get its secret in %s seconds'
 
249
        self.logger(message
 
250
                    % (self.properties[u"Name"], timeout/1000))
252
251
        self.using_timer(True)
253
252
    
254
253
    def rejected(self, reason):
255
 
        self.logger('Client {0} was rejected; reason: {1}'
256
 
                    .format(self.properties["Name"], reason))
 
254
        self.logger(u'Client %s was rejected; reason: %s'
 
255
                    % (self.properties[u"Name"], reason))
257
256
    
258
257
    def selectable(self):
259
258
        """Make this a "selectable" widget.
260
259
        This overrides the method from urwid.FlowWidget."""
261
260
        return True
262
261
    
263
 
    def rows(self, maxcolrow, focus=False):
 
262
    def rows(self, (maxcol,), focus=False):
264
263
        """How many rows this widget will occupy might depend on
265
264
        whether we have focus or not.
266
265
        This overrides the method from urwid.FlowWidget"""
267
 
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
266
        return self.current_widget(focus).rows((maxcol,), focus=focus)
268
267
    
269
268
    def current_widget(self, focus=False):
270
269
        if focus or self.opened:
274
273
    def update(self):
275
274
        "Called when what is visible on the screen should be updated."
276
275
        # How to add standout mode to a style
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",
 
276
        with_standout = { u"normal": u"standout",
 
277
                          u"bold": u"bold-standout",
 
278
                          u"underline-blink":
 
279
                              u"underline-blink-standout",
 
280
                          u"bold-underline-blink":
 
281
                              u"bold-underline-blink-standout",
283
282
                          }
284
283
 
285
284
        # Rebuild focus and non-focus widgets using current properties
286
285
 
287
286
        # Base part of a client. Name!
288
 
        base = '{name}: '.format(name=self.properties["Name"])
289
 
        if not self.properties["Enabled"]:
290
 
            message = "DISABLED"
291
 
        elif self.properties["ApprovalPending"]:
 
287
        base = (u'%(name)s: '
 
288
                      % {u"name": self.properties[u"Name"]})
 
289
        if not self.properties[u"Enabled"]:
 
290
            message = u"DISABLED"
 
291
        elif self.properties[u"ApprovalPending"]:
292
292
            timeout = datetime.timedelta(milliseconds
293
293
                                         = self.properties
294
 
                                         ["ApprovalDelay"])
 
294
                                         [u"ApprovalDelay"])
295
295
            last_approval_request = isoformat_to_datetime(
296
 
                self.properties["LastApprovalRequest"])
 
296
                self.properties[u"LastApprovalRequest"])
297
297
            if last_approval_request is not None:
298
298
                timer = timeout - (datetime.datetime.utcnow()
299
299
                                   - last_approval_request)
300
300
            else:
301
301
                timer = datetime.timedelta()
302
 
            if self.properties["ApprovedByDefault"]:
303
 
                message = "Approval in {0}. (d)eny?"
304
 
            else:
305
 
                message = "Denial in {0}. (a)pprove?"
306
 
            message = message.format(unicode(timer).rsplit(".", 1)[0])
307
 
        elif self.properties["LastCheckerStatus"] != 0:
308
 
            # When checker has failed, show timer until client expires
309
 
            expires = self.properties["Expires"]
310
 
            if expires == "":
311
 
                timer = datetime.timedelta(0)
312
 
            else:
313
 
                expires = (datetime.datetime.strptime
314
 
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
315
 
                timer = expires - datetime.datetime.utcnow()
316
 
            message = ('A checker has failed! Time until client'
317
 
                       ' gets disabled: {0}'
318
 
                       .format(unicode(timer).rsplit(".", 1)[0]))
 
302
            if self.properties[u"ApprovedByDefault"]:
 
303
                message = u"Approval in %s. (d)eny?"
 
304
            else:
 
305
                message = u"Denial in %s. (a)pprove?"
 
306
            message = message % unicode(timer).rsplit(".", 1)[0]
 
307
        elif self.last_checker_failed:
 
308
            timeout = datetime.timedelta(milliseconds
 
309
                                         = self.properties
 
310
                                         [u"Timeout"])
 
311
            last_ok = isoformat_to_datetime(
 
312
                max((self.properties[u"LastCheckedOK"]
 
313
                     or self.properties[u"Created"]),
 
314
                    self.properties[u"LastEnabled"]))
 
315
            timer = timeout - (datetime.datetime.utcnow() - last_ok)
 
316
            message = (u'A checker has failed! Time until client'
 
317
                       u' gets disabled: %s'
 
318
                           % unicode(timer).rsplit(".", 1)[0])
319
319
        else:
320
 
            message = "enabled"
321
 
        self._text = "{0}{1}".format(base, message)
 
320
            message = u"enabled"
 
321
        self._text = "%s%s" % (base, message)
322
322
            
323
323
        if not urwid.supports_unicode():
324
324
            self._text = self._text.encode("ascii", "replace")
325
 
        textlist = [("normal", self._text)]
 
325
        textlist = [(u"normal", self._text)]
326
326
        self._text_widget.set_text(textlist)
327
327
        self._focus_text_widget.set_text([(with_standout[text[0]],
328
328
                                           text[1])
337
337
            self.update_hook()
338
338
    
339
339
    def update_timer(self):
340
 
        """called by gobject. Will indefinitely loop until
341
 
        gobject.source_remove() on tag is called"""
 
340
        "called by gobject"
342
341
        self.update()
343
342
        return True             # Keep calling this
344
343
    
345
 
    def delete(self, *args, **kwargs):
 
344
    def delete(self):
346
345
        if self._update_timer_callback_tag is not None:
347
346
            gobject.source_remove(self._update_timer_callback_tag)
348
347
            self._update_timer_callback_tag = None
349
 
        for match in self.match_objects:
350
 
            match.remove()
351
 
        self.match_objects = ()
352
348
        if self.delete_hook is not None:
353
349
            self.delete_hook(self)
354
 
        return super(MandosClientWidget, self).delete(*args, **kwargs)
355
350
    
356
 
    def render(self, maxcolrow, focus=False):
 
351
    def render(self, (maxcol,), focus=False):
357
352
        """Render differently if we have focus.
358
353
        This overrides the method from urwid.FlowWidget"""
359
 
        return self.current_widget(focus).render(maxcolrow,
 
354
        return self.current_widget(focus).render((maxcol,),
360
355
                                                 focus=focus)
361
356
    
362
 
    def keypress(self, maxcolrow, key):
 
357
    def keypress(self, (maxcol,), key):
363
358
        """Handle keys.
364
359
        This overrides the method from urwid.FlowWidget"""
365
 
        if key == "+":
366
 
            self.proxy.Enable(dbus_interface = client_interface,
367
 
                              ignore_reply=True)
368
 
        elif key == "-":
369
 
            self.proxy.Disable(dbus_interface = client_interface,
370
 
                               ignore_reply=True)
371
 
        elif key == "a":
 
360
        if key == u"+":
 
361
            self.proxy.Enable(dbus_interface = client_interface)
 
362
        elif key == u"-":
 
363
            self.proxy.Disable(dbus_interface = client_interface)
 
364
        elif key == u"a":
372
365
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
373
 
                               dbus_interface = client_interface,
374
 
                               ignore_reply=True)
375
 
        elif key == "d":
 
366
                               dbus_interface = client_interface)
 
367
        elif key == u"d":
376
368
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
377
 
                                  dbus_interface = client_interface,
378
 
                               ignore_reply=True)
379
 
        elif key == "R" or key == "_" or key == "ctrl k":
 
369
                                  dbus_interface = client_interface)
 
370
        elif key == u"R" or key == u"_" or key == u"ctrl k":
380
371
            self.server_proxy_object.RemoveClient(self.proxy
381
 
                                                  .object_path,
382
 
                                                  ignore_reply=True)
383
 
        elif key == "s":
384
 
            self.proxy.StartChecker(dbus_interface = client_interface,
385
 
                                    ignore_reply=True)
386
 
        elif key == "S":
387
 
            self.proxy.StopChecker(dbus_interface = client_interface,
388
 
                                   ignore_reply=True)
389
 
        elif key == "C":
390
 
            self.proxy.CheckedOK(dbus_interface = client_interface,
391
 
                                 ignore_reply=True)
 
372
                                                  .object_path)
 
373
        elif key == u"s":
 
374
            self.proxy.StartChecker(dbus_interface = client_interface)
 
375
        elif key == u"S":
 
376
            self.proxy.StopChecker(dbus_interface = client_interface)
 
377
        elif key == u"C":
 
378
            self.proxy.CheckedOK(dbus_interface = client_interface)
392
379
        # xxx
393
 
#         elif key == "p" or key == "=":
 
380
#         elif key == u"p" or key == "=":
394
381
#             self.proxy.pause()
395
 
#         elif key == "u" or key == ":":
 
382
#         elif key == u"u" or key == ":":
396
383
#             self.proxy.unpause()
397
 
#         elif key == "RET":
 
384
#         elif key == u"RET":
398
385
#             self.open()
399
386
        else:
400
387
            return key
416
403
    "down" key presses, thus not allowing any containing widgets to
417
404
    use them as an excuse to shift focus away from this widget.
418
405
    """
419
 
    def keypress(self, maxcolrow, key):
420
 
        ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
421
 
        if ret in ("up", "down"):
 
406
    def keypress(self, (maxcol, maxrow), key):
 
407
        ret = super(ConstrainedListBox, self).keypress((maxcol,
 
408
                                                        maxrow), key)
 
409
        if ret in (u"up", u"down"):
422
410
            return
423
411
        return ret
424
412
 
433
421
        self.screen = urwid.curses_display.Screen()
434
422
        
435
423
        self.screen.register_palette((
436
 
                ("normal",
437
 
                 "default", "default", None),
438
 
                ("bold",
439
 
                 "default", "default", "bold"),
440
 
                ("underline-blink",
441
 
                 "default", "default", "underline"),
442
 
                ("standout",
443
 
                 "default", "default", "standout"),
444
 
                ("bold-underline-blink",
445
 
                 "default", "default", ("bold", "underline")),
446
 
                ("bold-standout",
447
 
                 "default", "default", ("bold", "standout")),
448
 
                ("underline-blink-standout",
449
 
                 "default", "default", ("underline", "standout")),
450
 
                ("bold-underline-blink-standout",
451
 
                 "default", "default", ("bold", "underline",
452
 
                                          "standout")),
 
424
                (u"normal",
 
425
                 u"default", u"default", None),
 
426
                (u"bold",
 
427
                 u"default", u"default", u"bold"),
 
428
                (u"underline-blink",
 
429
                 u"default", u"default", u"underline"),
 
430
                (u"standout",
 
431
                 u"default", u"default", u"standout"),
 
432
                (u"bold-underline-blink",
 
433
                 u"default", u"default", (u"bold", u"underline")),
 
434
                (u"bold-standout",
 
435
                 u"default", u"default", (u"bold", u"standout")),
 
436
                (u"underline-blink-standout",
 
437
                 u"default", u"default", (u"underline", u"standout")),
 
438
                (u"bold-underline-blink-standout",
 
439
                 u"default", u"default", (u"bold", u"underline",
 
440
                                          u"standout")),
453
441
                ))
454
442
        
455
443
        if urwid.supports_unicode():
456
 
            self.divider = "─" # \u2500
457
 
            #self.divider = "━" # \u2501
 
444
            self.divider = u"─" # \u2500
 
445
            #self.divider = u"━" # \u2501
458
446
        else:
459
 
            #self.divider = "-" # \u002d
460
 
            self.divider = "_" # \u005f
 
447
            #self.divider = u"-" # \u002d
 
448
            self.divider = u"_" # \u005f
461
449
        
462
450
        self.screen.start()
463
451
        
477
465
        # This keeps track of whether self.uilist currently has
478
466
        # self.logbox in it or not
479
467
        self.log_visible = True
480
 
        self.log_wrap = "any"
 
468
        self.log_wrap = u"any"
481
469
        
482
470
        self.rebuild()
483
 
        self.log_message_raw(("bold",
484
 
                              "Mandos Monitor version " + version))
485
 
        self.log_message_raw(("bold",
486
 
                              "q: Quit  ?: Help"))
 
471
        self.log_message_raw((u"bold",
 
472
                              u"Mandos Monitor version " + version))
 
473
        self.log_message_raw((u"bold",
 
474
                              u"q: Quit  ?: Help"))
487
475
        
488
476
        self.busname = domain + '.Mandos'
489
477
        self.main_loop = gobject.MainLoop()
 
478
        self.bus = dbus.SystemBus()
 
479
        mandos_dbus_objc = self.bus.get_object(
 
480
            self.busname, u"/", follow_name_owner_changes=True)
 
481
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
482
                                          dbus_interface
 
483
                                          = server_interface)
 
484
        try:
 
485
            mandos_clients = (self.mandos_serv
 
486
                              .GetAllClientsWithProperties())
 
487
        except dbus.exceptions.DBusException:
 
488
            mandos_clients = dbus.Dictionary()
 
489
        
 
490
        (self.mandos_serv
 
491
         .connect_to_signal(u"ClientRemoved",
 
492
                            self.find_and_remove_client,
 
493
                            dbus_interface=server_interface,
 
494
                            byte_arrays=True))
 
495
        (self.mandos_serv
 
496
         .connect_to_signal(u"ClientAdded",
 
497
                            self.add_new_client,
 
498
                            dbus_interface=server_interface,
 
499
                            byte_arrays=True))
 
500
        (self.mandos_serv
 
501
         .connect_to_signal(u"ClientNotFound",
 
502
                            self.client_not_found,
 
503
                            dbus_interface=server_interface,
 
504
                            byte_arrays=True))
 
505
        for path, client in mandos_clients.iteritems():
 
506
            client_proxy_object = self.bus.get_object(self.busname,
 
507
                                                      path)
 
508
            self.add_client(MandosClientWidget(server_proxy_object
 
509
                                               =self.mandos_serv,
 
510
                                               proxy_object
 
511
                                               =client_proxy_object,
 
512
                                               properties=client,
 
513
                                               update_hook
 
514
                                               =self.refresh,
 
515
                                               delete_hook
 
516
                                               =self.remove_client,
 
517
                                               logger
 
518
                                               =self.log_message),
 
519
                            path=path)
490
520
    
491
521
    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))
 
522
        self.log_message((u"Client with address %s and fingerprint %s"
 
523
                          u" could not be found" % (address,
 
524
                                                    fingerprint)))
495
525
    
496
526
    def rebuild(self):
497
527
        """This rebuilds the User Interface.
507
537
                                                     self.divider)))
508
538
        if self.log_visible:
509
539
            self.uilist.append(self.logbox)
 
540
            pass
510
541
        self.topwidget = urwid.Pile(self.uilist)
511
542
    
512
543
    def log_message(self, message):
513
544
        timestamp = datetime.datetime.now().isoformat()
514
 
        self.log_message_raw(timestamp + ": " + message)
 
545
        self.log_message_raw(timestamp + u": " + message)
515
546
    
516
547
    def log_message_raw(self, markup):
517
548
        """Add a log message to the log buffer."""
520
551
            and len(self.log) > self.max_log_length):
521
552
            del self.log[0:len(self.log)-self.max_log_length-1]
522
553
        self.logbox.set_focus(len(self.logbox.body.contents),
523
 
                              coming_from="above")
 
554
                              coming_from=u"above")
524
555
        self.refresh()
525
556
    
526
557
    def toggle_log_display(self):
527
558
        """Toggle visibility of the log buffer."""
528
559
        self.log_visible = not self.log_visible
529
560
        self.rebuild()
530
 
        #self.log_message("Log visibility changed to: "
 
561
        #self.log_message(u"Log visibility changed to: "
531
562
        #                 + unicode(self.log_visible))
532
563
    
533
564
    def change_log_display(self):
534
565
        """Change type of log display.
535
566
        Currently, this toggles wrapping of text lines."""
536
 
        if self.log_wrap == "clip":
537
 
            self.log_wrap = "any"
 
567
        if self.log_wrap == u"clip":
 
568
            self.log_wrap = u"any"
538
569
        else:
539
 
            self.log_wrap = "clip"
 
570
            self.log_wrap = u"clip"
540
571
        for textwidget in self.log:
541
572
            textwidget.set_wrap_mode(self.log_wrap)
542
 
        #self.log_message("Wrap mode: " + self.log_wrap)
 
573
        #self.log_message(u"Wrap mode: " + self.log_wrap)
543
574
    
544
575
    def find_and_remove_client(self, path, name):
545
 
        """Find a client by its object path and remove it.
 
576
        """Find an client from its object path and remove it.
546
577
        
547
578
        This is connected to the ClientRemoved signal from the
548
579
        Mandos server object."""
550
581
            client = self.clients_dict[path]
551
582
        except KeyError:
552
583
            # not found?
553
 
            self.log_message("Unknown client {0!r} ({1!r}) removed"
554
 
                             .format(name, path))
555
584
            return
556
 
        client.delete()
 
585
        self.remove_client(client, path)
557
586
    
558
587
    def add_new_client(self, path):
559
588
        client_proxy_object = self.bus.get_object(self.busname, path)
574
603
        if path is None:
575
604
            path = client.proxy.object_path
576
605
        self.clients_dict[path] = client
577
 
        self.clients.sort(None, lambda c: c.properties["Name"])
 
606
        self.clients.sort(None, lambda c: c.properties[u"Name"])
578
607
        self.refresh()
579
608
    
580
609
    def remove_client(self, client, path=None):
596
625
    
597
626
    def run(self):
598
627
        """Start the main loop and exit when it's done."""
599
 
        self.bus = dbus.SystemBus()
600
 
        mandos_dbus_objc = self.bus.get_object(
601
 
            self.busname, "/", follow_name_owner_changes=True)
602
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
603
 
                                          dbus_interface
604
 
                                          = server_interface)
605
 
        try:
606
 
            mandos_clients = (self.mandos_serv
607
 
                              .GetAllClientsWithProperties())
608
 
        except dbus.exceptions.DBusException:
609
 
            mandos_clients = dbus.Dictionary()
610
 
        
611
 
        (self.mandos_serv
612
 
         .connect_to_signal("ClientRemoved",
613
 
                            self.find_and_remove_client,
614
 
                            dbus_interface=server_interface,
615
 
                            byte_arrays=True))
616
 
        (self.mandos_serv
617
 
         .connect_to_signal("ClientAdded",
618
 
                            self.add_new_client,
619
 
                            dbus_interface=server_interface,
620
 
                            byte_arrays=True))
621
 
        (self.mandos_serv
622
 
         .connect_to_signal("ClientNotFound",
623
 
                            self.client_not_found,
624
 
                            dbus_interface=server_interface,
625
 
                            byte_arrays=True))
626
 
        for path, client in mandos_clients.iteritems():
627
 
            client_proxy_object = self.bus.get_object(self.busname,
628
 
                                                      path)
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),
640
 
                            path=path)
641
 
 
642
628
        self.refresh()
643
629
        self._input_callback_tag = (gobject.io_add_watch
644
630
                                    (sys.stdin.fileno(),
654
640
    
655
641
    def process_input(self, source, condition):
656
642
        keys = self.screen.get_input()
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
 
643
        translations = { u"ctrl n": u"down",      # Emacs
 
644
                         u"ctrl p": u"up",        # Emacs
 
645
                         u"ctrl v": u"page down", # Emacs
 
646
                         u"meta v": u"page up",   # Emacs
 
647
                         u" ": u"page down",      # less
 
648
                         u"f": u"page down",      # less
 
649
                         u"b": u"page up",        # less
 
650
                         u"j": u"down",           # vi
 
651
                         u"k": u"up",             # vi
666
652
                         }
667
653
        for key in keys:
668
654
            try:
670
656
            except KeyError:    # :-)
671
657
                pass
672
658
            
673
 
            if key == "q" or key == "Q":
 
659
            if key == u"q" or key == u"Q":
674
660
                self.stop()
675
661
                break
676
 
            elif key == "window resize":
 
662
            elif key == u"window resize":
677
663
                self.size = self.screen.get_cols_rows()
678
664
                self.refresh()
679
 
            elif key == "\f":  # Ctrl-L
 
665
            elif key == u"\f":  # Ctrl-L
680
666
                self.refresh()
681
 
            elif key == "l" or key == "D":
 
667
            elif key == u"l" or key == u"D":
682
668
                self.toggle_log_display()
683
669
                self.refresh()
684
 
            elif key == "w" or key == "i":
 
670
            elif key == u"w" or key == u"i":
685
671
                self.change_log_display()
686
672
                self.refresh()
687
 
            elif key == "?" or key == "f1" or key == "esc":
 
673
            elif key == u"?" or key == u"f1" or key == u"esc":
688
674
                if not self.log_visible:
689
675
                    self.log_visible = True
690
676
                    self.rebuild()
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"))))
 
677
                self.log_message_raw((u"bold",
 
678
                                      u"  ".
 
679
                                      join((u"q: Quit",
 
680
                                            u"?: Help",
 
681
                                            u"l: Log window toggle",
 
682
                                            u"TAB: Switch window",
 
683
                                            u"w: Wrap (log)"))))
 
684
                self.log_message_raw((u"bold",
 
685
                                      u"  "
 
686
                                      .join((u"Clients:",
 
687
                                             u"+: Enable",
 
688
                                             u"-: Disable",
 
689
                                             u"R: Remove",
 
690
                                             u"s: Start new checker",
 
691
                                             u"S: Stop checker",
 
692
                                             u"C: Checker OK",
 
693
                                             u"a: Approve",
 
694
                                             u"d: Deny"))))
709
695
                self.refresh()
710
 
            elif key == "tab":
 
696
            elif key == u"tab":
711
697
                if self.topwidget.get_focus() is self.logbox:
712
698
                    self.topwidget.set_focus(0)
713
699
                else:
714
700
                    self.topwidget.set_focus(self.logbox)
715
701
                self.refresh()
716
 
            #elif (key == "end" or key == "meta >" or key == "G"
717
 
            #      or key == ">"):
 
702
            #elif (key == u"end" or key == u"meta >" or key == u"G"
 
703
            #      or key == u">"):
718
704
            #    pass            # xxx end-of-buffer
719
 
            #elif (key == "home" or key == "meta <" or key == "g"
720
 
            #      or key == "<"):
 
705
            #elif (key == u"home" or key == u"meta <" or key == u"g"
 
706
            #      or key == u"<"):
721
707
            #    pass            # xxx beginning-of-buffer
722
 
            #elif key == "ctrl e" or key == "$":
 
708
            #elif key == u"ctrl e" or key == u"$":
723
709
            #    pass            # xxx move-end-of-line
724
 
            #elif key == "ctrl a" or key == "^":
 
710
            #elif key == u"ctrl a" or key == u"^":
725
711
            #    pass            # xxx move-beginning-of-line
726
 
            #elif key == "ctrl b" or key == "meta (" or key == "h":
 
712
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
727
713
            #    pass            # xxx left
728
 
            #elif key == "ctrl f" or key == "meta )" or key == "l":
 
714
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
729
715
            #    pass            # xxx right
730
 
            #elif key == "a":
 
716
            #elif key == u"a":
731
717
            #    pass            # scroll up log
732
 
            #elif key == "z":
 
718
            #elif key == u"z":
733
719
            #    pass            # scroll down log
734
720
            elif self.topwidget.selectable():
735
721
                self.topwidget.keypress(self.size, key)