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mandos-monitor
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#!/usr/bin/python
2
2
# -*- mode: python; coding: utf-8 -*-
 
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 <http://www.gnu.org/licenses/>.
 
21
# 
 
22
# Contact the authors at <mandos@recompile.se>.
 
23
# 
3
24
 
4
 
from __future__ import division, absolute_import, with_statement
 
25
from __future__ import (division, absolute_import, print_function,
 
26
                        unicode_literals)
5
27
 
6
28
import sys
7
29
import os
21
43
 
22
44
import locale
23
45
 
24
 
locale.setlocale(locale.LC_ALL, u'')
 
46
locale.setlocale(locale.LC_ALL, '')
 
47
 
 
48
import logging
 
49
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
25
50
 
26
51
# Some useful constants
27
 
domain = 'se.bsnet.fukt'
 
52
domain = 'se.recompile'
28
53
server_interface = domain + '.Mandos'
29
54
client_interface = domain + '.Mandos.Client'
30
 
version = "1.0.14"
 
55
version = "1.5.0"
31
56
 
32
57
# Always run in monochrome mode
33
58
urwid.curses_display.curses.has_colors = lambda : False
41
66
    "Parse an ISO 8601 date string to a datetime.datetime()"
42
67
    if not iso:
43
68
        return None
44
 
    d, t = iso.split(u"T", 1)
45
 
    year, month, day = d.split(u"-", 2)
46
 
    hour, minute, second = t.split(u":", 2)
 
69
    d, t = iso.split("T", 1)
 
70
    year, month, day = d.split("-", 2)
 
71
    hour, minute, second = t.split(":", 2)
47
72
    second, fraction = divmod(float(second), 1)
48
73
    return datetime.datetime(int(year),
49
74
                             int(month),
62
87
        self.proxy = proxy_object # Mandos Client proxy object
63
88
        
64
89
        self.properties = dict()
65
 
        self.proxy.connect_to_signal(u"PropertyChanged",
66
 
                                     self.property_changed,
67
 
                                     client_interface,
68
 
                                     byte_arrays=True)
 
90
        self.property_changed_match = (
 
91
            self.proxy.connect_to_signal("PropertyChanged",
 
92
                                         self.property_changed,
 
93
                                         client_interface,
 
94
                                         byte_arrays=True))
69
95
        
70
96
        self.properties.update(
71
97
            self.proxy.GetAll(client_interface,
72
98
                              dbus_interface = dbus.PROPERTIES_IFACE))
73
 
        super(MandosClientPropertyCache, self).__init__(
74
 
            proxy_object=proxy_object, *args, **kwargs)
 
99
 
 
100
        #XXX This breaks good super behaviour
 
101
#        super(MandosClientPropertyCache, self).__init__(
 
102
#            *args, **kwargs)
75
103
    
76
104
    def property_changed(self, property=None, value=None):
77
105
        """This is called whenever we get a PropertyChanged signal
79
107
        """
80
108
        # Update properties dict with new value
81
109
        self.properties[property] = value
 
110
    
 
111
    def delete(self, *args, **kwargs):
 
112
        self.property_changed_match.remove()
 
113
        super(MandosClientPropertyCache, self).__init__(
 
114
            *args, **kwargs)
82
115
 
83
116
 
84
117
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
97
130
        self.logger = logger
98
131
        
99
132
        self._update_timer_callback_tag = None
 
133
        self._update_timer_callback_lock = 0
100
134
        self.last_checker_failed = False
101
135
        
102
136
        # The widget shown normally
103
 
        self._text_widget = urwid.Text(u"")
 
137
        self._text_widget = urwid.Text("")
104
138
        # The widget shown when we have focus
105
 
        self._focus_text_widget = urwid.Text(u"")
 
139
        self._focus_text_widget = urwid.Text("")
106
140
        super(MandosClientWidget, self).__init__(
107
141
            update_hook=update_hook, delete_hook=delete_hook,
108
142
            *args, **kwargs)
109
143
        self.update()
110
144
        self.opened = False
111
 
        self.proxy.connect_to_signal(u"CheckerCompleted",
112
 
                                     self.checker_completed,
113
 
                                     client_interface,
114
 
                                     byte_arrays=True)
115
 
        self.proxy.connect_to_signal(u"CheckerStarted",
116
 
                                     self.checker_started,
117
 
                                     client_interface,
118
 
                                     byte_arrays=True)
119
 
        self.proxy.connect_to_signal(u"GotSecret",
120
 
                                     self.got_secret,
121
 
                                     client_interface,
122
 
                                     byte_arrays=True)
123
 
        self.proxy.connect_to_signal(u"Rejected",
124
 
                                     self.rejected,
125
 
                                     client_interface,
126
 
                                     byte_arrays=True)
 
145
        
127
146
        last_checked_ok = isoformat_to_datetime(self.properties
128
 
                                                ["last_checked_ok"])
 
147
                                                ["LastCheckedOK"])
129
148
        if last_checked_ok is None:
130
149
            self.last_checker_failed = True
131
150
        else:
133
152
                                         - last_checked_ok)
134
153
                                        > datetime.timedelta
135
154
                                        (milliseconds=
136
 
                                         self.properties["interval"]))
 
155
                                         self.properties
 
156
                                         ["Interval"]))
 
157
        
137
158
        if self.last_checker_failed:
 
159
            self.using_timer(True)
 
160
        
 
161
        if self.need_approval:
 
162
            self.using_timer(True)
 
163
        
 
164
        self.match_objects = (
 
165
            self.proxy.connect_to_signal("CheckerCompleted",
 
166
                                         self.checker_completed,
 
167
                                         client_interface,
 
168
                                         byte_arrays=True),
 
169
            self.proxy.connect_to_signal("CheckerStarted",
 
170
                                         self.checker_started,
 
171
                                         client_interface,
 
172
                                         byte_arrays=True),
 
173
            self.proxy.connect_to_signal("GotSecret",
 
174
                                         self.got_secret,
 
175
                                         client_interface,
 
176
                                         byte_arrays=True),
 
177
            self.proxy.connect_to_signal("NeedApproval",
 
178
                                         self.need_approval,
 
179
                                         client_interface,
 
180
                                         byte_arrays=True),
 
181
            self.proxy.connect_to_signal("Rejected",
 
182
                                         self.rejected,
 
183
                                         client_interface,
 
184
                                         byte_arrays=True))
 
185
        #self.logger('Created client %s' % (self.properties["Name"]))
 
186
    
 
187
    def property_changed(self, property=None, value=None):
 
188
        super(self, MandosClientWidget).property_changed(property,
 
189
                                                         value)
 
190
        if property == "ApprovalPending":
 
191
            using_timer(bool(value))
 
192
        
 
193
    def using_timer(self, flag):
 
194
        """Call this method with True or False when timer should be
 
195
        activated or deactivated.
 
196
        """
 
197
        old = self._update_timer_callback_lock
 
198
        if flag:
 
199
            self._update_timer_callback_lock += 1
 
200
        else:
 
201
            self._update_timer_callback_lock -= 1
 
202
        if old == 0 and self._update_timer_callback_lock:
 
203
            # Will update the shown timer value every second
138
204
            self._update_timer_callback_tag = (gobject.timeout_add
139
205
                                               (1000,
140
206
                                                self.update_timer))
 
207
        elif old and self._update_timer_callback_lock == 0:
 
208
            gobject.source_remove(self._update_timer_callback_tag)
 
209
            self._update_timer_callback_tag = None
141
210
    
142
211
    def checker_completed(self, exitstatus, condition, command):
143
212
        if exitstatus == 0:
144
213
            if self.last_checker_failed:
145
214
                self.last_checker_failed = False
146
 
                gobject.source_remove(self._update_timer_callback_tag)
147
 
                self._update_timer_callback_tag = None
148
 
            self.logger(u'Checker for client %s (command "%s")'
149
 
                        u' was successful'
150
 
                        % (self.properties[u"name"], command))
 
215
                self.using_timer(False)
 
216
            #self.logger('Checker for client %s (command "%s")'
 
217
            #            ' was successful'
 
218
            #            % (self.properties["Name"], command))
151
219
            self.update()
152
220
            return
153
221
        # Checker failed
154
222
        if not self.last_checker_failed:
155
223
            self.last_checker_failed = True
156
 
            self._update_timer_callback_tag = (gobject.timeout_add
157
 
                                               (1000,
158
 
                                                self.update_timer))
 
224
            self.using_timer(True)
159
225
        if os.WIFEXITED(condition):
160
 
            self.logger(u'Checker for client %s (command "%s")'
161
 
                        u' failed with exit code %s'
162
 
                        % (self.properties[u"name"], command,
 
226
            self.logger('Checker for client %s (command "%s")'
 
227
                        ' failed with exit code %s'
 
228
                        % (self.properties["Name"], command,
163
229
                           os.WEXITSTATUS(condition)))
164
230
        elif os.WIFSIGNALED(condition):
165
 
            self.logger(u'Checker for client %s (command "%s")'
166
 
                        u' was killed by signal %s'
167
 
                        % (self.properties[u"name"], command,
 
231
            self.logger('Checker for client %s (command "%s")'
 
232
                        ' was killed by signal %s'
 
233
                        % (self.properties["Name"], command,
168
234
                           os.WTERMSIG(condition)))
169
235
        elif os.WCOREDUMP(condition):
170
 
            self.logger(u'Checker for client %s (command "%s")'
171
 
                        u' dumped core'
172
 
                        % (self.properties[u"name"], command))
 
236
            self.logger('Checker for client %s (command "%s")'
 
237
                        ' dumped core'
 
238
                        % (self.properties["Name"], command))
173
239
        else:
174
 
            self.logger(u'Checker for client %s completed mysteriously')
 
240
            self.logger('Checker for client %s completed'
 
241
                        ' mysteriously')
175
242
        self.update()
176
243
    
177
244
    def checker_started(self, command):
178
 
        self.logger(u'Client %s started checker "%s"'
179
 
                    % (self.properties[u"name"], unicode(command)))
 
245
        """Server signals that a checker started. This could be useful
 
246
           to log in the future. """
 
247
        #self.logger('Client %s started checker "%s"'
 
248
        #            % (self.properties["Name"], unicode(command)))
 
249
        pass
180
250
    
181
251
    def got_secret(self):
182
 
        self.logger(u'Client %s received its secret'
183
 
                    % self.properties[u"name"])
184
 
    
185
 
    def rejected(self):
186
 
        self.logger(u'Client %s was rejected'
187
 
                    % self.properties[u"name"])
 
252
        self.last_checker_failed = False
 
253
        self.logger('Client %s received its secret'
 
254
                    % self.properties["Name"])
 
255
    
 
256
    def need_approval(self, timeout, default):
 
257
        if not default:
 
258
            message = 'Client %s needs approval within %s seconds'
 
259
        else:
 
260
            message = 'Client %s will get its secret in %s seconds'
 
261
        self.logger(message
 
262
                    % (self.properties["Name"], timeout/1000))
 
263
        self.using_timer(True)
 
264
    
 
265
    def rejected(self, reason):
 
266
        self.logger('Client %s was rejected; reason: %s'
 
267
                    % (self.properties["Name"], reason))
188
268
    
189
269
    def selectable(self):
190
270
        """Make this a "selectable" widget.
191
271
        This overrides the method from urwid.FlowWidget."""
192
272
        return True
193
273
    
194
 
    def rows(self, (maxcol,), focus=False):
 
274
    def rows(self, maxcolrow, focus=False):
195
275
        """How many rows this widget will occupy might depend on
196
276
        whether we have focus or not.
197
277
        This overrides the method from urwid.FlowWidget"""
198
 
        return self.current_widget(focus).rows((maxcol,), focus=focus)
 
278
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
199
279
    
200
280
    def current_widget(self, focus=False):
201
281
        if focus or self.opened:
205
285
    def update(self):
206
286
        "Called when what is visible on the screen should be updated."
207
287
        # How to add standout mode to a style
208
 
        with_standout = { u"normal": u"standout",
209
 
                          u"bold": u"bold-standout",
210
 
                          u"underline-blink":
211
 
                              u"underline-blink-standout",
212
 
                          u"bold-underline-blink":
213
 
                              u"bold-underline-blink-standout",
 
288
        with_standout = { "normal": "standout",
 
289
                          "bold": "bold-standout",
 
290
                          "underline-blink":
 
291
                              "underline-blink-standout",
 
292
                          "bold-underline-blink":
 
293
                              "bold-underline-blink-standout",
214
294
                          }
215
 
        
 
295
 
216
296
        # Rebuild focus and non-focus widgets using current properties
217
 
        self._text = (u'%(name)s: %(enabled)s%(timer)s'
218
 
                      % { u"name": self.properties[u"name"],
219
 
                          u"enabled":
220
 
                              (u"enabled"
221
 
                               if self.properties[u"enabled"]
222
 
                               else u"DISABLED"),
223
 
                          u"timer": (unicode(datetime.timedelta
224
 
                                             (milliseconds =
225
 
                                              self.properties
226
 
                                              [u"timeout"])
227
 
                                             - (datetime.datetime
228
 
                                                .utcnow()
229
 
                                                - isoformat_to_datetime
230
 
                                                (max((self.properties
231
 
                                                 ["last_checked_ok"]
232
 
                                                 or
233
 
                                                 self.properties
234
 
                                                 ["created"]),
235
 
                                                    self.properties[u"last_enabled"]))))
236
 
                                     if (self.last_checker_failed
237
 
                                         and self.properties
238
 
                                         [u"enabled"])
239
 
                                     else u"")})
 
297
 
 
298
        # Base part of a client. Name!
 
299
        base = ('%(name)s: '
 
300
                      % {"name": self.properties["Name"]})
 
301
        if not self.properties["Enabled"]:
 
302
            message = "DISABLED"
 
303
        elif self.properties["ApprovalPending"]:
 
304
            timeout = datetime.timedelta(milliseconds
 
305
                                         = self.properties
 
306
                                         ["ApprovalDelay"])
 
307
            last_approval_request = isoformat_to_datetime(
 
308
                self.properties["LastApprovalRequest"])
 
309
            if last_approval_request is not None:
 
310
                timer = timeout - (datetime.datetime.utcnow()
 
311
                                   - last_approval_request)
 
312
            else:
 
313
                timer = datetime.timedelta()
 
314
            if self.properties["ApprovedByDefault"]:
 
315
                message = "Approval in %s. (d)eny?"
 
316
            else:
 
317
                message = "Denial in %s. (a)pprove?"
 
318
            message = message % unicode(timer).rsplit(".", 1)[0]
 
319
        elif self.last_checker_failed:
 
320
            # When checker has failed, print a timer until client expires
 
321
            expires = self.properties["Expires"]
 
322
            if expires == "":
 
323
                timer = datetime.timedelta(0)
 
324
            else:
 
325
                expires = datetime.datetime.strptime(expires,
 
326
                                                     '%Y-%m-%dT%H:%M:%S.%f')
 
327
                timer = expires - datetime.datetime.utcnow()
 
328
            message = ('A checker has failed! Time until client'
 
329
                       ' gets disabled: %s'
 
330
                           % unicode(timer).rsplit(".", 1)[0])
 
331
        else:
 
332
            message = "enabled"
 
333
        self._text = "%s%s" % (base, message)
 
334
            
240
335
        if not urwid.supports_unicode():
241
336
            self._text = self._text.encode("ascii", "replace")
242
 
        textlist = [(u"normal", self._text)]
 
337
        textlist = [("normal", self._text)]
243
338
        self._text_widget.set_text(textlist)
244
339
        self._focus_text_widget.set_text([(with_standout[text[0]],
245
340
                                           text[1])
254
349
            self.update_hook()
255
350
    
256
351
    def update_timer(self):
257
 
        "called by gobject"
 
352
        """called by gobject. Will indefinitely loop until
 
353
        gobject.source_remove() on tag is called"""
258
354
        self.update()
259
355
        return True             # Keep calling this
260
356
    
261
 
    def delete(self):
 
357
    def delete(self, *args, **kwargs):
262
358
        if self._update_timer_callback_tag is not None:
263
359
            gobject.source_remove(self._update_timer_callback_tag)
264
360
            self._update_timer_callback_tag = None
 
361
        for match in self.match_objects:
 
362
            match.remove()
 
363
        self.match_objects = ()
265
364
        if self.delete_hook is not None:
266
365
            self.delete_hook(self)
 
366
        return super(MandosClientWidget, self).delete(*args, **kwargs)
267
367
    
268
 
    def render(self, (maxcol,), focus=False):
 
368
    def render(self, maxcolrow, focus=False):
269
369
        """Render differently if we have focus.
270
370
        This overrides the method from urwid.FlowWidget"""
271
 
        return self.current_widget(focus).render((maxcol,),
 
371
        return self.current_widget(focus).render(maxcolrow,
272
372
                                                 focus=focus)
273
373
    
274
 
    def keypress(self, (maxcol,), key):
 
374
    def keypress(self, maxcolrow, key):
275
375
        """Handle keys.
276
376
        This overrides the method from urwid.FlowWidget"""
277
 
        if key == u"e" or key == u"+":
278
 
            self.proxy.Enable()
279
 
        elif key == u"d" or key == u"-":
280
 
            self.proxy.Disable()
281
 
        elif key == u"r" or key == u"_" or key == u"ctrl k":
 
377
        if key == "+":
 
378
            self.proxy.Enable(dbus_interface = client_interface,
 
379
                              ignore_reply=True)
 
380
        elif key == "-":
 
381
            self.proxy.Disable(dbus_interface = client_interface,
 
382
                               ignore_reply=True)
 
383
        elif key == "a":
 
384
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
 
385
                               dbus_interface = client_interface,
 
386
                               ignore_reply=True)
 
387
        elif key == "d":
 
388
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
 
389
                                  dbus_interface = client_interface,
 
390
                               ignore_reply=True)
 
391
        elif key == "R" or key == "_" or key == "ctrl k":
282
392
            self.server_proxy_object.RemoveClient(self.proxy
283
 
                                                  .object_path)
284
 
        elif key == u"s":
285
 
            self.proxy.StartChecker()
286
 
        elif key == u"S":
287
 
            self.proxy.StopChecker()
288
 
        elif key == u"C":
289
 
            self.proxy.CheckedOK()
 
393
                                                  .object_path,
 
394
                                                  ignore_reply=True)
 
395
        elif key == "s":
 
396
            self.proxy.StartChecker(dbus_interface = client_interface,
 
397
                                    ignore_reply=True)
 
398
        elif key == "S":
 
399
            self.proxy.StopChecker(dbus_interface = client_interface,
 
400
                                   ignore_reply=True)
 
401
        elif key == "C":
 
402
            self.proxy.CheckedOK(dbus_interface = client_interface,
 
403
                                 ignore_reply=True)
290
404
        # xxx
291
 
#         elif key == u"p" or key == "=":
 
405
#         elif key == "p" or key == "=":
292
406
#             self.proxy.pause()
293
 
#         elif key == u"u" or key == ":":
 
407
#         elif key == "u" or key == ":":
294
408
#             self.proxy.unpause()
295
 
#         elif key == u"RET":
 
409
#         elif key == "RET":
296
410
#             self.open()
297
411
        else:
298
412
            return key
314
428
    "down" key presses, thus not allowing any containing widgets to
315
429
    use them as an excuse to shift focus away from this widget.
316
430
    """
317
 
    def keypress(self, (maxcol, maxrow), key):
318
 
        ret = super(ConstrainedListBox, self).keypress((maxcol, maxrow), key)
319
 
        if ret in (u"up", u"down"):
 
431
    def keypress(self, maxcolrow, key):
 
432
        ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
 
433
        if ret in ("up", "down"):
320
434
            return
321
435
        return ret
322
436
 
331
445
        self.screen = urwid.curses_display.Screen()
332
446
        
333
447
        self.screen.register_palette((
334
 
                (u"normal",
335
 
                 u"default", u"default", None),
336
 
                (u"bold",
337
 
                 u"default", u"default", u"bold"),
338
 
                (u"underline-blink",
339
 
                 u"default", u"default", u"underline"),
340
 
                (u"standout",
341
 
                 u"default", u"default", u"standout"),
342
 
                (u"bold-underline-blink",
343
 
                 u"default", u"default", (u"bold", u"underline")),
344
 
                (u"bold-standout",
345
 
                 u"default", u"default", (u"bold", u"standout")),
346
 
                (u"underline-blink-standout",
347
 
                 u"default", u"default", (u"underline", u"standout")),
348
 
                (u"bold-underline-blink-standout",
349
 
                 u"default", u"default", (u"bold", u"underline",
350
 
                                          u"standout")),
 
448
                ("normal",
 
449
                 "default", "default", None),
 
450
                ("bold",
 
451
                 "default", "default", "bold"),
 
452
                ("underline-blink",
 
453
                 "default", "default", "underline"),
 
454
                ("standout",
 
455
                 "default", "default", "standout"),
 
456
                ("bold-underline-blink",
 
457
                 "default", "default", ("bold", "underline")),
 
458
                ("bold-standout",
 
459
                 "default", "default", ("bold", "standout")),
 
460
                ("underline-blink-standout",
 
461
                 "default", "default", ("underline", "standout")),
 
462
                ("bold-underline-blink-standout",
 
463
                 "default", "default", ("bold", "underline",
 
464
                                          "standout")),
351
465
                ))
352
466
        
353
467
        if urwid.supports_unicode():
354
 
            self.divider = u"─" # \u2500
355
 
            #self.divider = u"━" # \u2501
 
468
            self.divider = "─" # \u2500
 
469
            #self.divider = "━" # \u2501
356
470
        else:
357
 
            #self.divider = u"-" # \u002d
358
 
            self.divider = u"_" # \u005f
 
471
            #self.divider = "-" # \u002d
 
472
            self.divider = "_" # \u005f
359
473
        
360
474
        self.screen.start()
361
475
        
375
489
        # This keeps track of whether self.uilist currently has
376
490
        # self.logbox in it or not
377
491
        self.log_visible = True
378
 
        self.log_wrap = u"any"
 
492
        self.log_wrap = "any"
379
493
        
380
494
        self.rebuild()
381
 
        self.log_message_raw((u"bold",
382
 
                              u"Mandos Monitor version " + version))
383
 
        self.log_message_raw((u"bold",
384
 
                              u"q: Quit  ?: Help"))
 
495
        self.log_message_raw(("bold",
 
496
                              "Mandos Monitor version " + version))
 
497
        self.log_message_raw(("bold",
 
498
                              "q: Quit  ?: Help"))
385
499
        
386
500
        self.busname = domain + '.Mandos'
387
501
        self.main_loop = gobject.MainLoop()
388
 
        self.bus = dbus.SystemBus()
389
 
        mandos_dbus_objc = self.bus.get_object(
390
 
            self.busname, u"/", follow_name_owner_changes=True)
391
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
392
 
                                          dbus_interface
393
 
                                          = server_interface)
394
 
        try:
395
 
            mandos_clients = (self.mandos_serv
396
 
                              .GetAllClientsWithProperties())
397
 
        except dbus.exceptions.DBusException:
398
 
            mandos_clients = dbus.Dictionary()
399
 
        
400
 
        (self.mandos_serv
401
 
         .connect_to_signal(u"ClientRemoved",
402
 
                            self.find_and_remove_client,
403
 
                            dbus_interface=server_interface,
404
 
                            byte_arrays=True))
405
 
        (self.mandos_serv
406
 
         .connect_to_signal(u"ClientAdded",
407
 
                            self.add_new_client,
408
 
                            dbus_interface=server_interface,
409
 
                            byte_arrays=True))
410
 
        (self.mandos_serv
411
 
         .connect_to_signal(u"ClientNotFound",
412
 
                            self.client_not_found,
413
 
                            dbus_interface=server_interface,
414
 
                            byte_arrays=True))
415
 
        for path, client in mandos_clients.iteritems():
416
 
            client_proxy_object = self.bus.get_object(self.busname,
417
 
                                                      path)
418
 
            self.add_client(MandosClientWidget(server_proxy_object
419
 
                                               =self.mandos_serv,
420
 
                                               proxy_object
421
 
                                               =client_proxy_object,
422
 
                                               properties=client,
423
 
                                               update_hook
424
 
                                               =self.refresh,
425
 
                                               delete_hook
426
 
                                               =self.remove_client,
427
 
                                               logger
428
 
                                               =self.log_message),
429
 
                            path=path)
430
502
    
431
503
    def client_not_found(self, fingerprint, address):
432
 
        self.log_message((u"Client with address %s and fingerprint %s"
433
 
                          u" could not be found" % (address,
 
504
        self.log_message(("Client with address %s and fingerprint %s"
 
505
                          " could not be found" % (address,
434
506
                                                    fingerprint)))
435
507
    
436
508
    def rebuild(self):
438
510
        Call this when the widget layout needs to change"""
439
511
        self.uilist = []
440
512
        #self.uilist.append(urwid.ListBox(self.clients))
441
 
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
 
513
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
 
514
                                                          clients),
442
515
                                       #header=urwid.Divider(),
443
516
                                       header=None,
444
 
                                       footer=urwid.Divider(div_char=self.divider)))
 
517
                                       footer=
 
518
                                       urwid.Divider(div_char=
 
519
                                                     self.divider)))
445
520
        if self.log_visible:
446
521
            self.uilist.append(self.logbox)
447
 
            pass
448
522
        self.topwidget = urwid.Pile(self.uilist)
449
523
    
450
524
    def log_message(self, message):
451
525
        timestamp = datetime.datetime.now().isoformat()
452
 
        self.log_message_raw(timestamp + u": " + message)
 
526
        self.log_message_raw(timestamp + ": " + message)
453
527
    
454
528
    def log_message_raw(self, markup):
455
529
        """Add a log message to the log buffer."""
458
532
            and len(self.log) > self.max_log_length):
459
533
            del self.log[0:len(self.log)-self.max_log_length-1]
460
534
        self.logbox.set_focus(len(self.logbox.body.contents),
461
 
                              coming_from=u"above")
 
535
                              coming_from="above")
462
536
        self.refresh()
463
537
    
464
538
    def toggle_log_display(self):
465
539
        """Toggle visibility of the log buffer."""
466
540
        self.log_visible = not self.log_visible
467
541
        self.rebuild()
468
 
        self.log_message(u"Log visibility changed to: "
469
 
                         + unicode(self.log_visible))
 
542
        #self.log_message("Log visibility changed to: "
 
543
        #                 + unicode(self.log_visible))
470
544
    
471
545
    def change_log_display(self):
472
546
        """Change type of log display.
473
547
        Currently, this toggles wrapping of text lines."""
474
 
        if self.log_wrap == u"clip":
475
 
            self.log_wrap = u"any"
 
548
        if self.log_wrap == "clip":
 
549
            self.log_wrap = "any"
476
550
        else:
477
 
            self.log_wrap = u"clip"
 
551
            self.log_wrap = "clip"
478
552
        for textwidget in self.log:
479
553
            textwidget.set_wrap_mode(self.log_wrap)
480
 
        self.log_message(u"Wrap mode: " + self.log_wrap)
 
554
        #self.log_message("Wrap mode: " + self.log_wrap)
481
555
    
482
556
    def find_and_remove_client(self, path, name):
483
 
        """Find an client from its object path and remove it.
 
557
        """Find a client by its object path and remove it.
484
558
        
485
559
        This is connected to the ClientRemoved signal from the
486
560
        Mandos server object."""
488
562
            client = self.clients_dict[path]
489
563
        except KeyError:
490
564
            # not found?
 
565
            self.log_message("Unknown client %r (%r) removed", name,
 
566
                             path)
491
567
            return
492
 
        self.remove_client(client, path)
 
568
        client.delete()
493
569
    
494
570
    def add_new_client(self, path):
495
571
        client_proxy_object = self.bus.get_object(self.busname, path)
510
586
        if path is None:
511
587
            path = client.proxy.object_path
512
588
        self.clients_dict[path] = client
513
 
        self.clients.sort(None, lambda c: c.properties[u"name"])
 
589
        self.clients.sort(None, lambda c: c.properties["Name"])
514
590
        self.refresh()
515
591
    
516
592
    def remove_client(self, client, path=None):
532
608
    
533
609
    def run(self):
534
610
        """Start the main loop and exit when it's done."""
 
611
        self.bus = dbus.SystemBus()
 
612
        mandos_dbus_objc = self.bus.get_object(
 
613
            self.busname, "/", follow_name_owner_changes=True)
 
614
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
615
                                          dbus_interface
 
616
                                          = server_interface)
 
617
        try:
 
618
            mandos_clients = (self.mandos_serv
 
619
                              .GetAllClientsWithProperties())
 
620
        except dbus.exceptions.DBusException:
 
621
            mandos_clients = dbus.Dictionary()
 
622
        
 
623
        (self.mandos_serv
 
624
         .connect_to_signal("ClientRemoved",
 
625
                            self.find_and_remove_client,
 
626
                            dbus_interface=server_interface,
 
627
                            byte_arrays=True))
 
628
        (self.mandos_serv
 
629
         .connect_to_signal("ClientAdded",
 
630
                            self.add_new_client,
 
631
                            dbus_interface=server_interface,
 
632
                            byte_arrays=True))
 
633
        (self.mandos_serv
 
634
         .connect_to_signal("ClientNotFound",
 
635
                            self.client_not_found,
 
636
                            dbus_interface=server_interface,
 
637
                            byte_arrays=True))
 
638
        for path, client in mandos_clients.iteritems():
 
639
            client_proxy_object = self.bus.get_object(self.busname,
 
640
                                                      path)
 
641
            self.add_client(MandosClientWidget(server_proxy_object
 
642
                                               =self.mandos_serv,
 
643
                                               proxy_object
 
644
                                               =client_proxy_object,
 
645
                                               properties=client,
 
646
                                               update_hook
 
647
                                               =self.refresh,
 
648
                                               delete_hook
 
649
                                               =self.remove_client,
 
650
                                               logger
 
651
                                               =self.log_message),
 
652
                            path=path)
 
653
 
535
654
        self.refresh()
536
655
        self._input_callback_tag = (gobject.io_add_watch
537
656
                                    (sys.stdin.fileno(),
547
666
    
548
667
    def process_input(self, source, condition):
549
668
        keys = self.screen.get_input()
550
 
        translations = { u"ctrl n": u"down",      # Emacs
551
 
                         u"ctrl p": u"up",        # Emacs
552
 
                         u"ctrl v": u"page down", # Emacs
553
 
                         u"meta v": u"page up",   # Emacs
554
 
                         u" ": u"page down",      # less
555
 
                         u"f": u"page down",      # less
556
 
                         u"b": u"page up",        # less
557
 
                         u"j": u"down",           # vi
558
 
                         u"k": u"up",             # vi
 
669
        translations = { "ctrl n": "down",      # Emacs
 
670
                         "ctrl p": "up",        # Emacs
 
671
                         "ctrl v": "page down", # Emacs
 
672
                         "meta v": "page up",   # Emacs
 
673
                         " ": "page down",      # less
 
674
                         "f": "page down",      # less
 
675
                         "b": "page up",        # less
 
676
                         "j": "down",           # vi
 
677
                         "k": "up",             # vi
559
678
                         }
560
679
        for key in keys:
561
680
            try:
563
682
            except KeyError:    # :-)
564
683
                pass
565
684
            
566
 
            if key == u"q" or key == u"Q":
 
685
            if key == "q" or key == "Q":
567
686
                self.stop()
568
687
                break
569
 
            elif key == u"window resize":
 
688
            elif key == "window resize":
570
689
                self.size = self.screen.get_cols_rows()
571
690
                self.refresh()
572
 
            elif key == u"\f":  # Ctrl-L
 
691
            elif key == "\f":  # Ctrl-L
573
692
                self.refresh()
574
 
            elif key == u"l" or key == u"D":
 
693
            elif key == "l" or key == "D":
575
694
                self.toggle_log_display()
576
695
                self.refresh()
577
 
            elif key == u"w" or key == u"i":
 
696
            elif key == "w" or key == "i":
578
697
                self.change_log_display()
579
698
                self.refresh()
580
 
            elif key == u"?" or key == u"f1" or key == u"esc":
 
699
            elif key == "?" or key == "f1" or key == "esc":
581
700
                if not self.log_visible:
582
701
                    self.log_visible = True
583
702
                    self.rebuild()
584
 
                self.log_message_raw((u"bold",
585
 
                                      u"  ".
586
 
                                      join((u"q: Quit",
587
 
                                            u"?: Help",
588
 
                                            u"l: Log window toggle",
589
 
                                            u"TAB: Switch window",
590
 
                                            u"w: Wrap (log)"))))
591
 
                self.log_message_raw((u"bold",
592
 
                                      u"  "
593
 
                                      .join((u"Clients:",
594
 
                                             u"e: Enable",
595
 
                                             u"d: Disable",
596
 
                                             u"r: Remove",
597
 
                                             u"s: Start new checker",
598
 
                                             u"S: Stop checker",
599
 
                                             u"C: Checker OK"))))
 
703
                self.log_message_raw(("bold",
 
704
                                      "  ".
 
705
                                      join(("q: Quit",
 
706
                                            "?: Help",
 
707
                                            "l: Log window toggle",
 
708
                                            "TAB: Switch window",
 
709
                                            "w: Wrap (log)"))))
 
710
                self.log_message_raw(("bold",
 
711
                                      "  "
 
712
                                      .join(("Clients:",
 
713
                                             "+: Enable",
 
714
                                             "-: Disable",
 
715
                                             "R: Remove",
 
716
                                             "s: Start new checker",
 
717
                                             "S: Stop checker",
 
718
                                             "C: Checker OK",
 
719
                                             "a: Approve",
 
720
                                             "d: Deny"))))
600
721
                self.refresh()
601
 
            elif key == u"tab":
 
722
            elif key == "tab":
602
723
                if self.topwidget.get_focus() is self.logbox:
603
724
                    self.topwidget.set_focus(0)
604
725
                else:
605
726
                    self.topwidget.set_focus(self.logbox)
606
727
                self.refresh()
607
 
            #elif (key == u"end" or key == u"meta >" or key == u"G"
608
 
            #      or key == u">"):
 
728
            #elif (key == "end" or key == "meta >" or key == "G"
 
729
            #      or key == ">"):
609
730
            #    pass            # xxx end-of-buffer
610
 
            #elif (key == u"home" or key == u"meta <" or key == u"g"
611
 
            #      or key == u"<"):
 
731
            #elif (key == "home" or key == "meta <" or key == "g"
 
732
            #      or key == "<"):
612
733
            #    pass            # xxx beginning-of-buffer
613
 
            #elif key == u"ctrl e" or key == u"$":
 
734
            #elif key == "ctrl e" or key == "$":
614
735
            #    pass            # xxx move-end-of-line
615
 
            #elif key == u"ctrl a" or key == u"^":
 
736
            #elif key == "ctrl a" or key == "^":
616
737
            #    pass            # xxx move-beginning-of-line
617
 
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
 
738
            #elif key == "ctrl b" or key == "meta (" or key == "h":
618
739
            #    pass            # xxx left
619
 
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
 
740
            #elif key == "ctrl f" or key == "meta )" or key == "l":
620
741
            #    pass            # xxx right
621
 
            #elif key == u"a":
 
742
            #elif key == "a":
622
743
            #    pass            # scroll up log
623
 
            #elif key == u"z":
 
744
            #elif key == "z":
624
745
            #    pass            # scroll down log
625
746
            elif self.topwidget.selectable():
626
747
                self.topwidget.keypress(self.size, key)
630
751
ui = UserInterface()
631
752
try:
632
753
    ui.run()
 
754
except KeyboardInterrupt:
 
755
    ui.screen.stop()
633
756
except Exception, e:
634
757
    ui.log_message(unicode(e))
635
758
    ui.screen.stop()