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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 © 2009-2011 Teddy Hogeborn
 
7
# Copyright © 2009-2011 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
19
41
 
20
42
import UserList
21
43
 
 
44
import locale
 
45
 
 
46
locale.setlocale(locale.LC_ALL, '')
 
47
 
 
48
import logging
 
49
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
 
50
 
22
51
# Some useful constants
23
 
domain = 'se.bsnet.fukt'
 
52
domain = 'se.recompile'
24
53
server_interface = domain + '.Mandos'
25
54
client_interface = domain + '.Mandos.Client'
26
 
version = "1.0.14"
 
55
version = "1.4.1"
27
56
 
28
57
# Always run in monochrome mode
29
58
urwid.curses_display.curses.has_colors = lambda : False
33
62
urwid.curses_display.curses.A_UNDERLINE |= (
34
63
    urwid.curses_display.curses.A_BLINK)
35
64
 
 
65
def isoformat_to_datetime(iso):
 
66
    "Parse an ISO 8601 date string to a datetime.datetime()"
 
67
    if not iso:
 
68
        return None
 
69
    d, t = iso.split("T", 1)
 
70
    year, month, day = d.split("-", 2)
 
71
    hour, minute, second = t.split(":", 2)
 
72
    second, fraction = divmod(float(second), 1)
 
73
    return datetime.datetime(int(year),
 
74
                             int(month),
 
75
                             int(day),
 
76
                             int(hour),
 
77
                             int(minute),
 
78
                             int(second),           # Whole seconds
 
79
                             int(fraction*1000000)) # Microseconds
 
80
 
36
81
class MandosClientPropertyCache(object):
37
82
    """This wraps a Mandos Client D-Bus proxy object, caches the
38
83
    properties and calls a hook function when any of them are
39
84
    changed.
40
85
    """
41
 
    def __init__(self, proxy_object=None, properties=None, *args,
42
 
                 **kwargs):
 
86
    def __init__(self, proxy_object=None, *args, **kwargs):
43
87
        self.proxy = proxy_object # Mandos Client proxy object
44
88
        
45
 
        if properties is None:
46
 
            self.properties = dict()
47
 
        else:
48
 
            self.properties = properties
49
 
        self.proxy.connect_to_signal(u"PropertyChanged",
50
 
                                     self.property_changed,
51
 
                                     client_interface,
52
 
                                     byte_arrays=True)
 
89
        self.properties = dict()
 
90
        self.property_changed_match = (
 
91
            self.proxy.connect_to_signal("PropertyChanged",
 
92
                                         self.property_changed,
 
93
                                         client_interface,
 
94
                                         byte_arrays=True))
53
95
        
54
 
        if properties is None:
55
 
            self.properties.update(self.proxy.GetAll(client_interface,
56
 
                                                     dbus_interface =
57
 
                                                     dbus.PROPERTIES_IFACE))
58
 
        super(MandosClientPropertyCache, self).__init__(
59
 
            proxy_object=proxy_object,
60
 
            properties=properties, *args, **kwargs)
 
96
        self.properties.update(
 
97
            self.proxy.GetAll(client_interface,
 
98
                              dbus_interface = dbus.PROPERTIES_IFACE))
 
99
 
 
100
        #XXX This breaks good super behaviour
 
101
#        super(MandosClientPropertyCache, self).__init__(
 
102
#            *args, **kwargs)
61
103
    
62
104
    def property_changed(self, property=None, value=None):
63
105
        """This is called whenever we get a PropertyChanged signal
65
107
        """
66
108
        # Update properties dict with new value
67
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)
68
115
 
69
116
 
70
117
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
82
129
        # Logger
83
130
        self.logger = logger
84
131
        
 
132
        self._update_timer_callback_tag = None
 
133
        self._update_timer_callback_lock = 0
 
134
        self.last_checker_failed = False
 
135
        
85
136
        # The widget shown normally
86
 
        self._text_widget = urwid.Text(u"")
 
137
        self._text_widget = urwid.Text("")
87
138
        # The widget shown when we have focus
88
 
        self._focus_text_widget = urwid.Text(u"")
 
139
        self._focus_text_widget = urwid.Text("")
89
140
        super(MandosClientWidget, self).__init__(
90
141
            update_hook=update_hook, delete_hook=delete_hook,
91
142
            *args, **kwargs)
92
143
        self.update()
93
144
        self.opened = False
94
 
        self.proxy.connect_to_signal(u"CheckerCompleted",
95
 
                                     self.checker_completed,
96
 
                                     client_interface,
97
 
                                     byte_arrays=True)
98
 
        self.proxy.connect_to_signal(u"CheckerStarted",
99
 
                                     self.checker_started,
100
 
                                     client_interface,
101
 
                                     byte_arrays=True)
102
 
        self.proxy.connect_to_signal(u"GotSecret",
103
 
                                     self.got_secret,
104
 
                                     client_interface,
105
 
                                     byte_arrays=True)
106
 
        self.proxy.connect_to_signal(u"Rejected",
107
 
                                     self.rejected,
108
 
                                     client_interface,
109
 
                                     byte_arrays=True)
 
145
        
 
146
        last_checked_ok = isoformat_to_datetime(self.properties
 
147
                                                ["LastCheckedOK"])
 
148
        if last_checked_ok is None:
 
149
            self.last_checker_failed = True
 
150
        else:
 
151
            self.last_checker_failed = ((datetime.datetime.utcnow()
 
152
                                         - last_checked_ok)
 
153
                                        > datetime.timedelta
 
154
                                        (milliseconds=
 
155
                                         self.properties
 
156
                                         ["Interval"]))
 
157
        
 
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
 
204
            self._update_timer_callback_tag = (gobject.timeout_add
 
205
                                               (1000,
 
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
110
210
    
111
211
    def checker_completed(self, exitstatus, condition, command):
112
212
        if exitstatus == 0:
113
 
            self.logger(u'Checker for client %s (command "%s")'
114
 
                        u' was successful'
115
 
                        % (self.properties[u"name"], command))
 
213
            if self.last_checker_failed:
 
214
                self.last_checker_failed = False
 
215
                self.using_timer(False)
 
216
            #self.logger('Checker for client %s (command "%s")'
 
217
            #            ' was successful'
 
218
            #            % (self.properties["Name"], command))
 
219
            self.update()
116
220
            return
 
221
        # Checker failed
 
222
        if not self.last_checker_failed:
 
223
            self.last_checker_failed = True
 
224
            self.using_timer(True)
117
225
        if os.WIFEXITED(condition):
118
 
            self.logger(u'Checker for client %s (command "%s")'
119
 
                        u' failed with exit code %s'
120
 
                        % (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,
121
229
                           os.WEXITSTATUS(condition)))
122
 
            return
123
 
        if os.WIFSIGNALED(condition):
124
 
            self.logger(u'Checker for client %s (command "%s")'
125
 
                        u' was killed by signal %s'
126
 
                        % (self.properties[u"name"], command,
 
230
        elif os.WIFSIGNALED(condition):
 
231
            self.logger('Checker for client %s (command "%s")'
 
232
                        ' was killed by signal %s'
 
233
                        % (self.properties["Name"], command,
127
234
                           os.WTERMSIG(condition)))
128
 
            return
129
 
        if os.WCOREDUMP(condition):
130
 
            self.logger(u'Checker for client %s (command "%s")'
131
 
                        u' dumped core'
132
 
                        % (self.properties[u"name"], command))
133
 
        self.logger(u'Checker for client %s completed mysteriously')
 
235
        elif os.WCOREDUMP(condition):
 
236
            self.logger('Checker for client %s (command "%s")'
 
237
                        ' dumped core'
 
238
                        % (self.properties["Name"], command))
 
239
        else:
 
240
            self.logger('Checker for client %s completed'
 
241
                        ' mysteriously')
 
242
        self.update()
134
243
    
135
244
    def checker_started(self, command):
136
 
        self.logger(u'Client %s started checker "%s"'
137
 
                    % (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
138
250
    
139
251
    def got_secret(self):
140
 
        self.logger(u'Client %s received its secret'
141
 
                    % self.properties[u"name"])
142
 
    
143
 
    def rejected(self):
144
 
        self.logger(u'Client %s was rejected'
145
 
                    % 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))
146
268
    
147
269
    def selectable(self):
148
270
        """Make this a "selectable" widget.
149
271
        This overrides the method from urwid.FlowWidget."""
150
272
        return True
151
273
    
152
 
    def rows(self, (maxcol,), focus=False):
 
274
    def rows(self, maxcolrow, focus=False):
153
275
        """How many rows this widget will occupy might depend on
154
276
        whether we have focus or not.
155
277
        This overrides the method from urwid.FlowWidget"""
156
 
        return self.current_widget(focus).rows((maxcol,), focus=focus)
 
278
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
157
279
    
158
280
    def current_widget(self, focus=False):
159
281
        if focus or self.opened:
163
285
    def update(self):
164
286
        "Called when what is visible on the screen should be updated."
165
287
        # How to add standout mode to a style
166
 
        with_standout = { u"normal": u"standout",
167
 
                          u"bold": u"bold-standout",
168
 
                          u"underline-blink":
169
 
                              u"underline-blink-standout",
170
 
                          u"bold-underline-blink":
171
 
                              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",
172
294
                          }
173
 
        
 
295
 
174
296
        # Rebuild focus and non-focus widgets using current properties
175
 
        self._text = (u'%(name)s: %(enabled)s'
176
 
                      % { u"name": self.properties[u"name"],
177
 
                          u"enabled":
178
 
                              (u"enabled"
179
 
                               if self.properties[u"enabled"]
180
 
                               else u"DISABLED")})
 
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
            
181
335
        if not urwid.supports_unicode():
182
336
            self._text = self._text.encode("ascii", "replace")
183
 
        textlist = [(u"normal", self._text)]
 
337
        textlist = [("normal", self._text)]
184
338
        self._text_widget.set_text(textlist)
185
339
        self._focus_text_widget.set_text([(with_standout[text[0]],
186
340
                                           text[1])
194
348
        if self.update_hook is not None:
195
349
            self.update_hook()
196
350
    
197
 
    def delete(self):
 
351
    def update_timer(self):
 
352
        """called by gobject. Will indefinitely loop until
 
353
        gobject.source_remove() on tag is called"""
 
354
        self.update()
 
355
        return True             # Keep calling this
 
356
    
 
357
    def delete(self, *args, **kwargs):
 
358
        if self._update_timer_callback_tag is not None:
 
359
            gobject.source_remove(self._update_timer_callback_tag)
 
360
            self._update_timer_callback_tag = None
 
361
        for match in self.match_objects:
 
362
            match.remove()
 
363
        self.match_objects = ()
198
364
        if self.delete_hook is not None:
199
365
            self.delete_hook(self)
 
366
        return super(MandosClientWidget, self).delete(*args, **kwargs)
200
367
    
201
 
    def render(self, (maxcol,), focus=False):
 
368
    def render(self, maxcolrow, focus=False):
202
369
        """Render differently if we have focus.
203
370
        This overrides the method from urwid.FlowWidget"""
204
 
        return self.current_widget(focus).render((maxcol,),
 
371
        return self.current_widget(focus).render(maxcolrow,
205
372
                                                 focus=focus)
206
373
    
207
 
    def keypress(self, (maxcol,), key):
 
374
    def keypress(self, maxcolrow, key):
208
375
        """Handle keys.
209
376
        This overrides the method from urwid.FlowWidget"""
210
 
        if key == u"e" or key == u"+":
211
 
            self.proxy.Enable()
212
 
        elif key == u"d" or key == u"-":
213
 
            self.proxy.Disable()
214
 
        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":
215
392
            self.server_proxy_object.RemoveClient(self.proxy
216
 
                                                  .object_path)
217
 
        elif key == u"s":
218
 
            self.proxy.StartChecker()
219
 
        elif key == u"S":
220
 
            self.proxy.StopChecker()
221
 
        elif key == u"C":
222
 
            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)
223
404
        # xxx
224
 
#         elif key == u"p" or key == "=":
 
405
#         elif key == "p" or key == "=":
225
406
#             self.proxy.pause()
226
 
#         elif key == u"u" or key == ":":
 
407
#         elif key == "u" or key == ":":
227
408
#             self.proxy.unpause()
228
 
#         elif key == u"RET":
 
409
#         elif key == "RET":
229
410
#             self.open()
230
411
        else:
231
412
            return key
247
428
    "down" key presses, thus not allowing any containing widgets to
248
429
    use them as an excuse to shift focus away from this widget.
249
430
    """
250
 
    def keypress(self, (maxcol, maxrow), key):
251
 
        ret = super(ConstrainedListBox, self).keypress((maxcol, maxrow), key)
252
 
        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"):
253
434
            return
254
435
        return ret
255
436
 
264
445
        self.screen = urwid.curses_display.Screen()
265
446
        
266
447
        self.screen.register_palette((
267
 
                (u"normal",
268
 
                 u"default", u"default", None),
269
 
                (u"bold",
270
 
                 u"default", u"default", u"bold"),
271
 
                (u"underline-blink",
272
 
                 u"default", u"default", u"underline"),
273
 
                (u"standout",
274
 
                 u"default", u"default", u"standout"),
275
 
                (u"bold-underline-blink",
276
 
                 u"default", u"default", (u"bold", u"underline")),
277
 
                (u"bold-standout",
278
 
                 u"default", u"default", (u"bold", u"standout")),
279
 
                (u"underline-blink-standout",
280
 
                 u"default", u"default", (u"underline", u"standout")),
281
 
                (u"bold-underline-blink-standout",
282
 
                 u"default", u"default", (u"bold", u"underline",
283
 
                                          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")),
284
465
                ))
285
466
        
286
467
        if urwid.supports_unicode():
287
 
            self.divider = u"─" # \u2500
288
 
            #self.divider = u"━" # \u2501
 
468
            self.divider = "─" # \u2500
 
469
            #self.divider = "━" # \u2501
289
470
        else:
290
 
            #self.divider = u"-" # \u002d
291
 
            self.divider = u"_" # \u005f
 
471
            #self.divider = "-" # \u002d
 
472
            self.divider = "_" # \u005f
292
473
        
293
474
        self.screen.start()
294
475
        
308
489
        # This keeps track of whether self.uilist currently has
309
490
        # self.logbox in it or not
310
491
        self.log_visible = True
311
 
        self.log_wrap = u"any"
 
492
        self.log_wrap = "any"
312
493
        
313
494
        self.rebuild()
314
 
        self.log_message_raw((u"bold",
315
 
                              u"Mandos Monitor version " + version))
316
 
        self.log_message_raw((u"bold",
317
 
                              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"))
318
499
        
319
500
        self.busname = domain + '.Mandos'
320
501
        self.main_loop = gobject.MainLoop()
321
 
        self.bus = dbus.SystemBus()
322
 
        mandos_dbus_objc = self.bus.get_object(
323
 
            self.busname, u"/", follow_name_owner_changes=True)
324
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
325
 
                                          dbus_interface
326
 
                                          = server_interface)
327
 
        try:
328
 
            mandos_clients = (self.mandos_serv
329
 
                              .GetAllClientsWithProperties())
330
 
        except dbus.exceptions.DBusException:
331
 
            mandos_clients = dbus.Dictionary()
332
 
        
333
 
        (self.mandos_serv
334
 
         .connect_to_signal(u"ClientRemoved",
335
 
                            self.find_and_remove_client,
336
 
                            dbus_interface=server_interface,
337
 
                            byte_arrays=True))
338
 
        (self.mandos_serv
339
 
         .connect_to_signal(u"ClientAdded",
340
 
                            self.add_new_client,
341
 
                            dbus_interface=server_interface,
342
 
                            byte_arrays=True))
343
 
        (self.mandos_serv
344
 
         .connect_to_signal(u"ClientNotFound",
345
 
                            self.client_not_found,
346
 
                            dbus_interface=server_interface,
347
 
                            byte_arrays=True))
348
 
        for path, client in mandos_clients.iteritems():
349
 
            client_proxy_object = self.bus.get_object(self.busname,
350
 
                                                      path)
351
 
            self.add_client(MandosClientWidget(server_proxy_object
352
 
                                               =self.mandos_serv,
353
 
                                               proxy_object
354
 
                                               =client_proxy_object,
355
 
                                               properties=client,
356
 
                                               update_hook
357
 
                                               =self.refresh,
358
 
                                               delete_hook
359
 
                                               =self.remove_client,
360
 
                                               logger
361
 
                                               =self.log_message),
362
 
                            path=path)
363
502
    
364
503
    def client_not_found(self, fingerprint, address):
365
 
        self.log_message((u"Client with address %s and fingerprint %s"
366
 
                          u" could not be found" % (address,
 
504
        self.log_message(("Client with address %s and fingerprint %s"
 
505
                          " could not be found" % (address,
367
506
                                                    fingerprint)))
368
507
    
369
508
    def rebuild(self):
371
510
        Call this when the widget layout needs to change"""
372
511
        self.uilist = []
373
512
        #self.uilist.append(urwid.ListBox(self.clients))
374
 
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
 
513
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
 
514
                                                          clients),
375
515
                                       #header=urwid.Divider(),
376
516
                                       header=None,
377
 
                                       footer=urwid.Divider(div_char=self.divider)))
 
517
                                       footer=
 
518
                                       urwid.Divider(div_char=
 
519
                                                     self.divider)))
378
520
        if self.log_visible:
379
521
            self.uilist.append(self.logbox)
380
 
            pass
381
522
        self.topwidget = urwid.Pile(self.uilist)
382
523
    
383
524
    def log_message(self, message):
384
525
        timestamp = datetime.datetime.now().isoformat()
385
 
        self.log_message_raw(timestamp + u": " + message)
 
526
        self.log_message_raw(timestamp + ": " + message)
386
527
    
387
528
    def log_message_raw(self, markup):
388
529
        """Add a log message to the log buffer."""
391
532
            and len(self.log) > self.max_log_length):
392
533
            del self.log[0:len(self.log)-self.max_log_length-1]
393
534
        self.logbox.set_focus(len(self.logbox.body.contents),
394
 
                              coming_from=u"above")
 
535
                              coming_from="above")
395
536
        self.refresh()
396
537
    
397
538
    def toggle_log_display(self):
398
539
        """Toggle visibility of the log buffer."""
399
540
        self.log_visible = not self.log_visible
400
541
        self.rebuild()
401
 
        self.log_message(u"Log visibility changed to: "
402
 
                         + unicode(self.log_visible))
 
542
        #self.log_message("Log visibility changed to: "
 
543
        #                 + unicode(self.log_visible))
403
544
    
404
545
    def change_log_display(self):
405
546
        """Change type of log display.
406
547
        Currently, this toggles wrapping of text lines."""
407
 
        if self.log_wrap == u"clip":
408
 
            self.log_wrap = u"any"
 
548
        if self.log_wrap == "clip":
 
549
            self.log_wrap = "any"
409
550
        else:
410
 
            self.log_wrap = u"clip"
 
551
            self.log_wrap = "clip"
411
552
        for textwidget in self.log:
412
553
            textwidget.set_wrap_mode(self.log_wrap)
413
 
        self.log_message(u"Wrap mode: " + self.log_wrap)
 
554
        #self.log_message("Wrap mode: " + self.log_wrap)
414
555
    
415
556
    def find_and_remove_client(self, path, name):
416
 
        """Find an client from its object path and remove it.
 
557
        """Find a client by its object path and remove it.
417
558
        
418
559
        This is connected to the ClientRemoved signal from the
419
560
        Mandos server object."""
421
562
            client = self.clients_dict[path]
422
563
        except KeyError:
423
564
            # not found?
 
565
            self.log_message("Unknown client %r (%r) removed", name,
 
566
                             path)
424
567
            return
425
 
        self.remove_client(client, path)
 
568
        client.delete()
426
569
    
427
 
    def add_new_client(self, path, properties):
 
570
    def add_new_client(self, path):
428
571
        client_proxy_object = self.bus.get_object(self.busname, path)
429
572
        self.add_client(MandosClientWidget(server_proxy_object
430
573
                                           =self.mandos_serv,
431
574
                                           proxy_object
432
575
                                           =client_proxy_object,
433
 
                                           properties=properties,
434
576
                                           update_hook
435
577
                                           =self.refresh,
436
578
                                           delete_hook
437
 
                                           =self.remove_client),
 
579
                                           =self.remove_client,
 
580
                                           logger
 
581
                                           =self.log_message),
438
582
                        path=path)
439
583
    
440
584
    def add_client(self, client, path=None):
442
586
        if path is None:
443
587
            path = client.proxy.object_path
444
588
        self.clients_dict[path] = client
445
 
        self.clients.sort(None, lambda c: c.properties[u"name"])
 
589
        self.clients.sort(None, lambda c: c.properties["Name"])
446
590
        self.refresh()
447
591
    
448
592
    def remove_client(self, client, path=None):
464
608
    
465
609
    def run(self):
466
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
 
467
654
        self.refresh()
468
655
        self._input_callback_tag = (gobject.io_add_watch
469
656
                                    (sys.stdin.fileno(),
479
666
    
480
667
    def process_input(self, source, condition):
481
668
        keys = self.screen.get_input()
482
 
        translations = { u"ctrl n": u"down",      # Emacs
483
 
                         u"ctrl p": u"up",        # Emacs
484
 
                         u"ctrl v": u"page down", # Emacs
485
 
                         u"meta v": u"page up",   # Emacs
486
 
                         u" ": u"page down",      # less
487
 
                         u"f": u"page down",      # less
488
 
                         u"b": u"page up",        # less
489
 
                         u"j": u"down",           # vi
490
 
                         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
491
678
                         }
492
679
        for key in keys:
493
680
            try:
495
682
            except KeyError:    # :-)
496
683
                pass
497
684
            
498
 
            if key == u"q" or key == u"Q":
 
685
            if key == "q" or key == "Q":
499
686
                self.stop()
500
687
                break
501
 
            elif key == u"window resize":
 
688
            elif key == "window resize":
502
689
                self.size = self.screen.get_cols_rows()
503
690
                self.refresh()
504
 
            elif key == u"\f":  # Ctrl-L
 
691
            elif key == "\f":  # Ctrl-L
505
692
                self.refresh()
506
 
            elif key == u"l" or key == u"D":
 
693
            elif key == "l" or key == "D":
507
694
                self.toggle_log_display()
508
695
                self.refresh()
509
 
            elif key == u"w" or key == u"i":
 
696
            elif key == "w" or key == "i":
510
697
                self.change_log_display()
511
698
                self.refresh()
512
 
            elif key == u"?" or key == u"f1" or key == u"esc":
 
699
            elif key == "?" or key == "f1" or key == "esc":
513
700
                if not self.log_visible:
514
701
                    self.log_visible = True
515
702
                    self.rebuild()
516
 
                self.log_message_raw((u"bold",
517
 
                                      u"  ".
518
 
                                      join((u"q: Quit",
519
 
                                            u"?: Help",
520
 
                                            u"l: Log window toggle",
521
 
                                            u"TAB: Switch window",
522
 
                                            u"w: Wrap (log)"))))
523
 
                self.log_message_raw((u"bold",
524
 
                                      u"  "
525
 
                                      .join((u"Clients:",
526
 
                                             u"e: Enable",
527
 
                                             u"d: Disable",
528
 
                                             u"r: Remove",
529
 
                                             u"s: Start new checker",
530
 
                                             u"S: Stop checker",
531
 
                                             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"))))
532
721
                self.refresh()
533
 
            elif key == u"tab":
 
722
            elif key == "tab":
534
723
                if self.topwidget.get_focus() is self.logbox:
535
724
                    self.topwidget.set_focus(0)
536
725
                else:
537
726
                    self.topwidget.set_focus(self.logbox)
538
727
                self.refresh()
539
 
            #elif (key == u"end" or key == u"meta >" or key == u"G"
540
 
            #      or key == u">"):
 
728
            #elif (key == "end" or key == "meta >" or key == "G"
 
729
            #      or key == ">"):
541
730
            #    pass            # xxx end-of-buffer
542
 
            #elif (key == u"home" or key == u"meta <" or key == u"g"
543
 
            #      or key == u"<"):
 
731
            #elif (key == "home" or key == "meta <" or key == "g"
 
732
            #      or key == "<"):
544
733
            #    pass            # xxx beginning-of-buffer
545
 
            #elif key == u"ctrl e" or key == u"$":
 
734
            #elif key == "ctrl e" or key == "$":
546
735
            #    pass            # xxx move-end-of-line
547
 
            #elif key == u"ctrl a" or key == u"^":
 
736
            #elif key == "ctrl a" or key == "^":
548
737
            #    pass            # xxx move-beginning-of-line
549
 
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
 
738
            #elif key == "ctrl b" or key == "meta (" or key == "h":
550
739
            #    pass            # xxx left
551
 
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
 
740
            #elif key == "ctrl f" or key == "meta )" or key == "l":
552
741
            #    pass            # xxx right
553
 
            #elif key == u"a":
 
742
            #elif key == "a":
554
743
            #    pass            # scroll up log
555
 
            #elif key == u"z":
 
744
            #elif key == "z":
556
745
            #    pass            # scroll down log
557
746
            elif self.topwidget.selectable():
558
747
                self.topwidget.keypress(self.size, key)
562
751
ui = UserInterface()
563
752
try:
564
753
    ui.run()
565
 
except:
 
754
except KeyboardInterrupt:
 
755
    ui.screen.stop()
 
756
except Exception, e:
 
757
    ui.log_message(unicode(e))
566
758
    ui.screen.stop()
567
759
    raise