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  • Committer: Björn Påhlsson
  • Date: 2010-09-02 18:53:38 UTC
  • mto: (237.7.1 mandos)
  • mto: This revision was merged to the branch mainline in revision 270.
  • Revision ID: belorn@fukt.bsnet.se-20100902185338-d1022sv517txn3sb
early commit to ease todays coding

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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
21
 
# <http://www.gnu.org/licenses/>.
22
 
23
 
# Contact the authors at <mandos@recompile.se>.
24
 
25
 
 
26
 
from __future__ import (division, absolute_import, print_function,
27
 
                        unicode_literals)
28
 
 
29
 
from future_builtins import *
 
3
 
 
4
from __future__ import division, absolute_import, with_statement
30
5
 
31
6
import sys
32
7
import os
46
21
 
47
22
import locale
48
23
 
49
 
locale.setlocale(locale.LC_ALL, '')
 
24
locale.setlocale(locale.LC_ALL, u'')
50
25
 
51
26
import logging
52
27
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
53
28
 
54
29
# Some useful constants
55
 
domain = 'se.recompile'
 
30
domain = 'se.bsnet.fukt'
56
31
server_interface = domain + '.Mandos'
57
32
client_interface = domain + '.Mandos.Client'
58
 
version = "1.5.3"
 
33
version = "1.0.15"
59
34
 
60
35
# Always run in monochrome mode
61
36
urwid.curses_display.curses.has_colors = lambda : False
65
40
urwid.curses_display.curses.A_UNDERLINE |= (
66
41
    urwid.curses_display.curses.A_BLINK)
67
42
 
68
 
def isoformat_to_datetime(iso):
69
 
    "Parse an ISO 8601 date string to a datetime.datetime()"
70
 
    if not iso:
71
 
        return None
72
 
    d, t = iso.split("T", 1)
73
 
    year, month, day = d.split("-", 2)
74
 
    hour, minute, second = t.split(":", 2)
75
 
    second, fraction = divmod(float(second), 1)
76
 
    return datetime.datetime(int(year),
77
 
                             int(month),
78
 
                             int(day),
79
 
                             int(hour),
80
 
                             int(minute),
81
 
                             int(second),           # Whole seconds
82
 
                             int(fraction*1000000)) # Microseconds
83
 
 
84
43
class MandosClientPropertyCache(object):
85
44
    """This wraps a Mandos Client D-Bus proxy object, caches the
86
45
    properties and calls a hook function when any of them are
87
46
    changed.
88
47
    """
89
 
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
48
    def __init__(self, proxy_object=None, *args, **kwargs):
90
49
        self.proxy = proxy_object # Mandos Client proxy object
91
 
        self.properties = dict() if properties is None else properties
92
 
        self.property_changed_match = (
93
 
            self.proxy.connect_to_signal("PropertyChanged",
94
 
                                         self._property_changed,
95
 
                                         client_interface,
96
 
                                         byte_arrays=True))
97
 
        
98
 
        if properties is None:
99
 
            self.properties.update(
100
 
                self.proxy.GetAll(client_interface,
101
 
                                  dbus_interface
102
 
                                  = dbus.PROPERTIES_IFACE))
103
 
        
104
 
        super(MandosClientPropertyCache, self).__init__(**kwargs)
105
 
    
106
 
    def _property_changed(self, property, value):
107
 
        """Helper which takes positional arguments"""
108
 
        return self.property_changed(property=property, value=value)
 
50
        
 
51
        self.properties = dict()
 
52
        self.proxy.connect_to_signal(u"PropertyChanged",
 
53
                                     self.property_changed,
 
54
                                     client_interface,
 
55
                                     byte_arrays=True)
 
56
        
 
57
        self.properties.update(
 
58
            self.proxy.GetAll(client_interface,
 
59
                              dbus_interface = dbus.PROPERTIES_IFACE))
 
60
        super(MandosClientPropertyCache, self).__init__(
 
61
            *args, **kwargs)
109
62
    
110
63
    def property_changed(self, property=None, value=None):
111
64
        """This is called whenever we get a PropertyChanged signal
113
66
        """
114
67
        # Update properties dict with new value
115
68
        self.properties[property] = value
116
 
    
117
 
    def delete(self):
118
 
        self.property_changed_match.remove()
119
69
 
120
70
 
121
71
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
123
73
    """
124
74
    
125
75
    def __init__(self, server_proxy_object=None, update_hook=None,
126
 
                 delete_hook=None, logger=None, **kwargs):
 
76
                 delete_hook=None, logger=None, *args, **kwargs):
127
77
        # Called on update
128
78
        self.update_hook = update_hook
129
79
        # Called on delete
133
83
        # Logger
134
84
        self.logger = logger
135
85
        
136
 
        self._update_timer_callback_tag = None
137
 
        
138
86
        # The widget shown normally
139
 
        self._text_widget = urwid.Text("")
 
87
        self._text_widget = urwid.Text(u"")
140
88
        # The widget shown when we have focus
141
 
        self._focus_text_widget = urwid.Text("")
142
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
89
        self._focus_text_widget = urwid.Text(u"")
 
90
        super(MandosClientWidget, self).__init__(
 
91
            update_hook=update_hook, delete_hook=delete_hook,
 
92
            *args, **kwargs)
143
93
        self.update()
144
94
        self.opened = False
145
 
        
146
 
        self.match_objects = (
147
 
            self.proxy.connect_to_signal("CheckerCompleted",
148
 
                                         self.checker_completed,
149
 
                                         client_interface,
150
 
                                         byte_arrays=True),
151
 
            self.proxy.connect_to_signal("CheckerStarted",
152
 
                                         self.checker_started,
153
 
                                         client_interface,
154
 
                                         byte_arrays=True),
155
 
            self.proxy.connect_to_signal("GotSecret",
156
 
                                         self.got_secret,
157
 
                                         client_interface,
158
 
                                         byte_arrays=True),
159
 
            self.proxy.connect_to_signal("NeedApproval",
160
 
                                         self.need_approval,
161
 
                                         client_interface,
162
 
                                         byte_arrays=True),
163
 
            self.proxy.connect_to_signal("Rejected",
164
 
                                         self.rejected,
165
 
                                         client_interface,
166
 
                                         byte_arrays=True))
167
 
        #self.logger('Created client {0}'
168
 
        #            .format(self.properties["Name"]))
169
 
    
170
 
    def using_timer(self, flag):
171
 
        """Call this method with True or False when timer should be
172
 
        activated or deactivated.
173
 
        """
174
 
        if flag and self._update_timer_callback_tag is None:
175
 
            # Will update the shown timer value every second
176
 
            self._update_timer_callback_tag = (gobject.timeout_add
177
 
                                               (1000,
178
 
                                                self.update_timer))
179
 
        elif not (flag or self._update_timer_callback_tag is None):
180
 
            gobject.source_remove(self._update_timer_callback_tag)
181
 
            self._update_timer_callback_tag = None
 
95
        self.proxy.connect_to_signal(u"CheckerCompleted",
 
96
                                     self.checker_completed,
 
97
                                     client_interface,
 
98
                                     byte_arrays=True)
 
99
        self.proxy.connect_to_signal(u"CheckerStarted",
 
100
                                     self.checker_started,
 
101
                                     client_interface,
 
102
                                     byte_arrays=True)
 
103
        self.proxy.connect_to_signal(u"GotSecret",
 
104
                                     self.got_secret,
 
105
                                     client_interface,
 
106
                                     byte_arrays=True)
 
107
        self.proxy.connect_to_signal(u"NeedApproval",
 
108
                                     self.need_approval,
 
109
                                     client_interface,
 
110
                                     byte_arrays=True)
 
111
        self.proxy.connect_to_signal(u"Rejected",
 
112
                                     self.rejected,
 
113
                                     client_interface,
 
114
                                     byte_arrays=True)
182
115
    
183
116
    def checker_completed(self, exitstatus, condition, command):
184
117
        if exitstatus == 0:
185
 
            self.update()
 
118
            #self.logger(u'Checker for client %s (command "%s")'
 
119
            #            u' was successful'
 
120
            #            % (self.properties[u"name"], command))
186
121
            return
187
 
        # Checker failed
188
122
        if os.WIFEXITED(condition):
189
 
            self.logger('Checker for client {0} (command "{1}")'
190
 
                        ' failed with exit code {2}'
191
 
                        .format(self.properties["Name"], command,
192
 
                                os.WEXITSTATUS(condition)))
193
 
        elif os.WIFSIGNALED(condition):
194
 
            self.logger('Checker for client {0} (command "{1}") was'
195
 
                        ' killed by signal {2}'
196
 
                        .format(self.properties["Name"], command,
197
 
                                os.WTERMSIG(condition)))
198
 
        elif os.WCOREDUMP(condition):
199
 
            self.logger('Checker for client {0} (command "{1}")'
200
 
                        ' dumped core'
201
 
                        .format(self.properties["Name"], command))
202
 
        else:
203
 
            self.logger('Checker for client {0} completed'
204
 
                        ' mysteriously'
205
 
                        .format(self.properties["Name"]))
206
 
        self.update()
 
123
            self.logger(u'Checker for client %s (command "%s")'
 
124
                        u' failed with exit code %s'
 
125
                        % (self.properties[u"name"], command,
 
126
                           os.WEXITSTATUS(condition)))
 
127
            return
 
128
        if os.WIFSIGNALED(condition):
 
129
            self.logger(u'Checker for client %s (command "%s")'
 
130
                        u' was killed by signal %s'
 
131
                        % (self.properties[u"name"], command,
 
132
                           os.WTERMSIG(condition)))
 
133
            return
 
134
        if os.WCOREDUMP(condition):
 
135
            self.logger(u'Checker for client %s (command "%s")'
 
136
                        u' dumped core'
 
137
                        % (self.properties[u"name"], command))
 
138
        self.logger(u'Checker for client %s completed mysteriously')
207
139
    
208
140
    def checker_started(self, command):
209
 
        """Server signals that a checker started. This could be useful
210
 
           to log in the future. """
211
 
        #self.logger('Client {0} started checker "{1}"'
212
 
        #            .format(self.properties["Name"],
213
 
        #                    unicode(command)))
 
141
        #self.logger(u'Client %s started checker "%s"'
 
142
        #            % (self.properties[u"name"], unicode(command)))
214
143
        pass
215
144
    
216
145
    def got_secret(self):
217
 
        self.logger('Client {0} received its secret'
218
 
                    .format(self.properties["Name"]))
 
146
        self.logger(u'Client %s received its secret'
 
147
                    % self.properties[u"name"])
219
148
    
220
149
    def need_approval(self, timeout, default):
221
150
        if not default:
222
 
            message = 'Client {0} needs approval within {1} seconds'
 
151
            message = u'Client %s needs approval within %s seconds'
223
152
        else:
224
 
            message = 'Client {0} will get its secret in {1} seconds'
225
 
        self.logger(message.format(self.properties["Name"],
226
 
                                   timeout/1000))
 
153
            message = u'Client %s will get its secret in %s seconds'
 
154
        self.logger(message
 
155
                    % (self.properties[u"name"], timeout/1000))
227
156
    
228
157
    def rejected(self, reason):
229
 
        self.logger('Client {0} was rejected; reason: {1}'
230
 
                    .format(self.properties["Name"], reason))
 
158
        self.logger(u'Client %s was rejected; reason: %s'
 
159
                    % (self.properties[u"name"], reason))
231
160
    
232
161
    def selectable(self):
233
162
        """Make this a "selectable" widget.
234
163
        This overrides the method from urwid.FlowWidget."""
235
164
        return True
236
165
    
237
 
    def rows(self, maxcolrow, focus=False):
 
166
    def rows(self, (maxcol,), focus=False):
238
167
        """How many rows this widget will occupy might depend on
239
168
        whether we have focus or not.
240
169
        This overrides the method from urwid.FlowWidget"""
241
 
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
170
        return self.current_widget(focus).rows((maxcol,), focus=focus)
242
171
    
243
172
    def current_widget(self, focus=False):
244
173
        if focus or self.opened:
248
177
    def update(self):
249
178
        "Called when what is visible on the screen should be updated."
250
179
        # How to add standout mode to a style
251
 
        with_standout = { "normal": "standout",
252
 
                          "bold": "bold-standout",
253
 
                          "underline-blink":
254
 
                              "underline-blink-standout",
255
 
                          "bold-underline-blink":
256
 
                              "bold-underline-blink-standout",
 
180
        with_standout = { u"normal": u"standout",
 
181
                          u"bold": u"bold-standout",
 
182
                          u"underline-blink":
 
183
                              u"underline-blink-standout",
 
184
                          u"bold-underline-blink":
 
185
                              u"bold-underline-blink-standout",
257
186
                          }
258
187
        
259
188
        # Rebuild focus and non-focus widgets using current properties
260
 
        
261
 
        # Base part of a client. Name!
262
 
        base = '{name}: '.format(name=self.properties["Name"])
263
 
        if not self.properties["Enabled"]:
264
 
            message = "DISABLED"
265
 
            self.using_timer(False)
266
 
        elif self.properties["ApprovalPending"]:
267
 
            timeout = datetime.timedelta(milliseconds
268
 
                                         = self.properties
269
 
                                         ["ApprovalDelay"])
270
 
            last_approval_request = isoformat_to_datetime(
271
 
                self.properties["LastApprovalRequest"])
272
 
            if last_approval_request is not None:
273
 
                timer = max(timeout - (datetime.datetime.utcnow()
274
 
                                       - last_approval_request),
275
 
                            datetime.timedelta())
276
 
            else:
277
 
                timer = datetime.timedelta()
278
 
            if self.properties["ApprovedByDefault"]:
279
 
                message = "Approval in {0}. (d)eny?"
280
 
            else:
281
 
                message = "Denial in {0}. (a)pprove?"
282
 
            message = message.format(unicode(timer).rsplit(".", 1)[0])
283
 
            self.using_timer(True)
284
 
        elif self.properties["LastCheckerStatus"] != 0:
285
 
            # When checker has failed, show timer until client expires
286
 
            expires = self.properties["Expires"]
287
 
            if expires == "":
288
 
                timer = datetime.timedelta(0)
289
 
            else:
290
 
                expires = (datetime.datetime.strptime
291
 
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
292
 
                timer = max(expires - datetime.datetime.utcnow(),
293
 
                            datetime.timedelta())
294
 
            message = ('A checker has failed! Time until client'
295
 
                       ' gets disabled: {0}'
296
 
                       .format(unicode(timer).rsplit(".", 1)[0]))
297
 
            self.using_timer(True)
298
 
        else:
299
 
            message = "enabled"
300
 
            self.using_timer(False)
301
 
        self._text = "{0}{1}".format(base, message)
302
 
        
 
189
        self._text = (u'%(name)s: %(enabled)s'
 
190
                      % { u"name": self.properties[u"name"],
 
191
                          u"enabled":
 
192
                              (u"enabled"
 
193
                               if self.properties[u"enabled"]
 
194
                               else u"DISABLED")})
303
195
        if not urwid.supports_unicode():
304
196
            self._text = self._text.encode("ascii", "replace")
305
 
        textlist = [("normal", self._text)]
 
197
        textlist = [(u"normal", self._text)]
306
198
        self._text_widget.set_text(textlist)
307
199
        self._focus_text_widget.set_text([(with_standout[text[0]],
308
200
                                           text[1])
316
208
        if self.update_hook is not None:
317
209
            self.update_hook()
318
210
    
319
 
    def update_timer(self):
320
 
        """called by gobject. Will indefinitely loop until
321
 
        gobject.source_remove() on tag is called"""
322
 
        self.update()
323
 
        return True             # Keep calling this
324
 
    
325
 
    def delete(self, **kwargs):
326
 
        if self._update_timer_callback_tag is not None:
327
 
            gobject.source_remove(self._update_timer_callback_tag)
328
 
            self._update_timer_callback_tag = None
329
 
        for match in self.match_objects:
330
 
            match.remove()
331
 
        self.match_objects = ()
 
211
    def delete(self):
332
212
        if self.delete_hook is not None:
333
213
            self.delete_hook(self)
334
 
        return super(MandosClientWidget, self).delete(**kwargs)
335
214
    
336
 
    def render(self, maxcolrow, focus=False):
 
215
    def render(self, (maxcol,), focus=False):
337
216
        """Render differently if we have focus.
338
217
        This overrides the method from urwid.FlowWidget"""
339
 
        return self.current_widget(focus).render(maxcolrow,
 
218
        return self.current_widget(focus).render((maxcol,),
340
219
                                                 focus=focus)
341
220
    
342
 
    def keypress(self, maxcolrow, key):
 
221
    def keypress(self, (maxcol,), key):
343
222
        """Handle keys.
344
223
        This overrides the method from urwid.FlowWidget"""
345
 
        if key == "+":
346
 
            self.proxy.Enable(dbus_interface = client_interface,
347
 
                              ignore_reply=True)
348
 
        elif key == "-":
349
 
            self.proxy.Disable(dbus_interface = client_interface,
350
 
                               ignore_reply=True)
351
 
        elif key == "a":
352
 
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
353
 
                               dbus_interface = client_interface,
354
 
                               ignore_reply=True)
355
 
        elif key == "d":
356
 
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
357
 
                                  dbus_interface = client_interface,
358
 
                               ignore_reply=True)
359
 
        elif key == "R" or key == "_" or key == "ctrl k":
 
224
        if key == u"e" or key == u"+":
 
225
            self.proxy.Enable()
 
226
        elif key == u"d" or key == u"-":
 
227
            self.proxy.Disable()
 
228
        elif key == u"r" or key == u"_" or key == u"ctrl k":
360
229
            self.server_proxy_object.RemoveClient(self.proxy
361
 
                                                  .object_path,
362
 
                                                  ignore_reply=True)
363
 
        elif key == "s":
364
 
            self.proxy.StartChecker(dbus_interface = client_interface,
365
 
                                    ignore_reply=True)
366
 
        elif key == "S":
367
 
            self.proxy.StopChecker(dbus_interface = client_interface,
368
 
                                   ignore_reply=True)
369
 
        elif key == "C":
370
 
            self.proxy.CheckedOK(dbus_interface = client_interface,
371
 
                                 ignore_reply=True)
 
230
                                                  .object_path)
 
231
        elif key == u"s":
 
232
            self.proxy.StartChecker()
 
233
        elif key == u"S":
 
234
            self.proxy.StopChecker()
 
235
        elif key == u"C":
 
236
            self.proxy.CheckedOK()
372
237
        # xxx
373
 
#         elif key == "p" or key == "=":
 
238
#         elif key == u"p" or key == "=":
374
239
#             self.proxy.pause()
375
 
#         elif key == "u" or key == ":":
 
240
#         elif key == u"u" or key == ":":
376
241
#             self.proxy.unpause()
377
 
#         elif key == "RET":
 
242
#         elif key == u"RET":
378
243
#             self.open()
 
244
        elif key == u"+":
 
245
            self.proxy.Approve(True)
 
246
        elif key == u"-":
 
247
            self.proxy.Approve(False)
379
248
        else:
380
249
            return key
381
250
    
382
 
    def property_changed(self, property=None, **kwargs):
 
251
    def property_changed(self, property=None, value=None,
 
252
                         *args, **kwargs):
383
253
        """Call self.update() if old value is not new value.
384
254
        This overrides the method from MandosClientPropertyCache"""
385
255
        property_name = unicode(property)
386
256
        old_value = self.properties.get(property_name)
387
257
        super(MandosClientWidget, self).property_changed(
388
 
            property=property, **kwargs)
 
258
            property=property, value=value, *args, **kwargs)
389
259
        if self.properties.get(property_name) != old_value:
390
260
            self.update()
391
261
 
395
265
    "down" key presses, thus not allowing any containing widgets to
396
266
    use them as an excuse to shift focus away from this widget.
397
267
    """
398
 
    def keypress(self, *args, **kwargs):
399
 
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
400
 
        if ret in ("up", "down"):
 
268
    def keypress(self, (maxcol, maxrow), key):
 
269
        ret = super(ConstrainedListBox, self).keypress((maxcol, maxrow), key)
 
270
        if ret in (u"up", u"down"):
401
271
            return
402
272
        return ret
403
273
 
412
282
        self.screen = urwid.curses_display.Screen()
413
283
        
414
284
        self.screen.register_palette((
415
 
                ("normal",
416
 
                 "default", "default", None),
417
 
                ("bold",
418
 
                 "default", "default", "bold"),
419
 
                ("underline-blink",
420
 
                 "default", "default", "underline"),
421
 
                ("standout",
422
 
                 "default", "default", "standout"),
423
 
                ("bold-underline-blink",
424
 
                 "default", "default", ("bold", "underline")),
425
 
                ("bold-standout",
426
 
                 "default", "default", ("bold", "standout")),
427
 
                ("underline-blink-standout",
428
 
                 "default", "default", ("underline", "standout")),
429
 
                ("bold-underline-blink-standout",
430
 
                 "default", "default", ("bold", "underline",
431
 
                                          "standout")),
 
285
                (u"normal",
 
286
                 u"default", u"default", None),
 
287
                (u"bold",
 
288
                 u"default", u"default", u"bold"),
 
289
                (u"underline-blink",
 
290
                 u"default", u"default", u"underline"),
 
291
                (u"standout",
 
292
                 u"default", u"default", u"standout"),
 
293
                (u"bold-underline-blink",
 
294
                 u"default", u"default", (u"bold", u"underline")),
 
295
                (u"bold-standout",
 
296
                 u"default", u"default", (u"bold", u"standout")),
 
297
                (u"underline-blink-standout",
 
298
                 u"default", u"default", (u"underline", u"standout")),
 
299
                (u"bold-underline-blink-standout",
 
300
                 u"default", u"default", (u"bold", u"underline",
 
301
                                          u"standout")),
432
302
                ))
433
303
        
434
304
        if urwid.supports_unicode():
435
 
            self.divider = "─" # \u2500
436
 
            #self.divider = "━" # \u2501
 
305
            self.divider = u"─" # \u2500
 
306
            #self.divider = u"━" # \u2501
437
307
        else:
438
 
            #self.divider = "-" # \u002d
439
 
            self.divider = "_" # \u005f
 
308
            #self.divider = u"-" # \u002d
 
309
            self.divider = u"_" # \u005f
440
310
        
441
311
        self.screen.start()
442
312
        
456
326
        # This keeps track of whether self.uilist currently has
457
327
        # self.logbox in it or not
458
328
        self.log_visible = True
459
 
        self.log_wrap = "any"
 
329
        self.log_wrap = u"any"
460
330
        
461
331
        self.rebuild()
462
 
        self.log_message_raw(("bold",
463
 
                              "Mandos Monitor version " + version))
464
 
        self.log_message_raw(("bold",
465
 
                              "q: Quit  ?: Help"))
 
332
        self.log_message_raw((u"bold",
 
333
                              u"Mandos Monitor version " + version))
 
334
        self.log_message_raw((u"bold",
 
335
                              u"q: Quit  ?: Help"))
466
336
        
467
337
        self.busname = domain + '.Mandos'
468
338
        self.main_loop = gobject.MainLoop()
 
339
        self.bus = dbus.SystemBus()
 
340
        mandos_dbus_objc = self.bus.get_object(
 
341
            self.busname, u"/", follow_name_owner_changes=True)
 
342
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
343
                                          dbus_interface
 
344
                                          = server_interface)
 
345
        try:
 
346
            mandos_clients = (self.mandos_serv
 
347
                              .GetAllClientsWithProperties())
 
348
        except dbus.exceptions.DBusException:
 
349
            mandos_clients = dbus.Dictionary()
 
350
        
 
351
        (self.mandos_serv
 
352
         .connect_to_signal(u"ClientRemoved",
 
353
                            self.find_and_remove_client,
 
354
                            dbus_interface=server_interface,
 
355
                            byte_arrays=True))
 
356
        (self.mandos_serv
 
357
         .connect_to_signal(u"ClientAdded",
 
358
                            self.add_new_client,
 
359
                            dbus_interface=server_interface,
 
360
                            byte_arrays=True))
 
361
        (self.mandos_serv
 
362
         .connect_to_signal(u"ClientNotFound",
 
363
                            self.client_not_found,
 
364
                            dbus_interface=server_interface,
 
365
                            byte_arrays=True))
 
366
        for path, client in mandos_clients.iteritems():
 
367
            client_proxy_object = self.bus.get_object(self.busname,
 
368
                                                      path)
 
369
            self.add_client(MandosClientWidget(server_proxy_object
 
370
                                               =self.mandos_serv,
 
371
                                               proxy_object
 
372
                                               =client_proxy_object,
 
373
                                               properties=client,
 
374
                                               update_hook
 
375
                                               =self.refresh,
 
376
                                               delete_hook
 
377
                                               =self.remove_client,
 
378
                                               logger
 
379
                                               =self.log_message),
 
380
                            path=path)
469
381
    
470
382
    def client_not_found(self, fingerprint, address):
471
 
        self.log_message("Client with address {0} and fingerprint"
472
 
                         " {1} could not be found"
473
 
                         .format(address, fingerprint))
 
383
        self.log_message((u"Client with address %s and fingerprint %s"
 
384
                          u" could not be found" % (address,
 
385
                                                    fingerprint)))
474
386
    
475
387
    def rebuild(self):
476
388
        """This rebuilds the User Interface.
477
389
        Call this when the widget layout needs to change"""
478
390
        self.uilist = []
479
391
        #self.uilist.append(urwid.ListBox(self.clients))
480
 
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
481
 
                                                          clients),
 
392
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
482
393
                                       #header=urwid.Divider(),
483
394
                                       header=None,
484
 
                                       footer=
485
 
                                       urwid.Divider(div_char=
486
 
                                                     self.divider)))
 
395
                                       footer=urwid.Divider(div_char=self.divider)))
487
396
        if self.log_visible:
488
397
            self.uilist.append(self.logbox)
 
398
            pass
489
399
        self.topwidget = urwid.Pile(self.uilist)
490
400
    
491
401
    def log_message(self, message):
492
402
        timestamp = datetime.datetime.now().isoformat()
493
 
        self.log_message_raw(timestamp + ": " + message)
 
403
        self.log_message_raw(timestamp + u": " + message)
494
404
    
495
405
    def log_message_raw(self, markup):
496
406
        """Add a log message to the log buffer."""
499
409
            and len(self.log) > self.max_log_length):
500
410
            del self.log[0:len(self.log)-self.max_log_length-1]
501
411
        self.logbox.set_focus(len(self.logbox.body.contents),
502
 
                              coming_from="above")
 
412
                              coming_from=u"above")
503
413
        self.refresh()
504
414
    
505
415
    def toggle_log_display(self):
506
416
        """Toggle visibility of the log buffer."""
507
417
        self.log_visible = not self.log_visible
508
418
        self.rebuild()
509
 
        #self.log_message("Log visibility changed to: "
510
 
        #                 + unicode(self.log_visible))
 
419
        self.log_message(u"Log visibility changed to: "
 
420
                         + unicode(self.log_visible))
511
421
    
512
422
    def change_log_display(self):
513
423
        """Change type of log display.
514
424
        Currently, this toggles wrapping of text lines."""
515
 
        if self.log_wrap == "clip":
516
 
            self.log_wrap = "any"
 
425
        if self.log_wrap == u"clip":
 
426
            self.log_wrap = u"any"
517
427
        else:
518
 
            self.log_wrap = "clip"
 
428
            self.log_wrap = u"clip"
519
429
        for textwidget in self.log:
520
430
            textwidget.set_wrap_mode(self.log_wrap)
521
 
        #self.log_message("Wrap mode: " + self.log_wrap)
 
431
        self.log_message(u"Wrap mode: " + self.log_wrap)
522
432
    
523
433
    def find_and_remove_client(self, path, name):
524
 
        """Find a client by its object path and remove it.
 
434
        """Find an client from its object path and remove it.
525
435
        
526
436
        This is connected to the ClientRemoved signal from the
527
437
        Mandos server object."""
529
439
            client = self.clients_dict[path]
530
440
        except KeyError:
531
441
            # not found?
532
 
            self.log_message("Unknown client {0!r} ({1!r}) removed"
533
 
                             .format(name, path))
534
442
            return
535
 
        client.delete()
 
443
        self.remove_client(client, path)
536
444
    
537
445
    def add_new_client(self, path):
538
446
        client_proxy_object = self.bus.get_object(self.busname, path)
553
461
        if path is None:
554
462
            path = client.proxy.object_path
555
463
        self.clients_dict[path] = client
556
 
        self.clients.sort(None, lambda c: c.properties["Name"])
 
464
        self.clients.sort(None, lambda c: c.properties[u"name"])
557
465
        self.refresh()
558
466
    
559
467
    def remove_client(self, client, path=None):
575
483
    
576
484
    def run(self):
577
485
        """Start the main loop and exit when it's done."""
578
 
        self.bus = dbus.SystemBus()
579
 
        mandos_dbus_objc = self.bus.get_object(
580
 
            self.busname, "/", follow_name_owner_changes=True)
581
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
582
 
                                          dbus_interface
583
 
                                          = server_interface)
584
 
        try:
585
 
            mandos_clients = (self.mandos_serv
586
 
                              .GetAllClientsWithProperties())
587
 
        except dbus.exceptions.DBusException:
588
 
            mandos_clients = dbus.Dictionary()
589
 
        
590
 
        (self.mandos_serv
591
 
         .connect_to_signal("ClientRemoved",
592
 
                            self.find_and_remove_client,
593
 
                            dbus_interface=server_interface,
594
 
                            byte_arrays=True))
595
 
        (self.mandos_serv
596
 
         .connect_to_signal("ClientAdded",
597
 
                            self.add_new_client,
598
 
                            dbus_interface=server_interface,
599
 
                            byte_arrays=True))
600
 
        (self.mandos_serv
601
 
         .connect_to_signal("ClientNotFound",
602
 
                            self.client_not_found,
603
 
                            dbus_interface=server_interface,
604
 
                            byte_arrays=True))
605
 
        for path, client in mandos_clients.iteritems():
606
 
            client_proxy_object = self.bus.get_object(self.busname,
607
 
                                                      path)
608
 
            self.add_client(MandosClientWidget(server_proxy_object
609
 
                                               =self.mandos_serv,
610
 
                                               proxy_object
611
 
                                               =client_proxy_object,
612
 
                                               properties=client,
613
 
                                               update_hook
614
 
                                               =self.refresh,
615
 
                                               delete_hook
616
 
                                               =self.remove_client,
617
 
                                               logger
618
 
                                               =self.log_message),
619
 
                            path=path)
620
 
        
621
486
        self.refresh()
622
487
        self._input_callback_tag = (gobject.io_add_watch
623
488
                                    (sys.stdin.fileno(),
633
498
    
634
499
    def process_input(self, source, condition):
635
500
        keys = self.screen.get_input()
636
 
        translations = { "ctrl n": "down",      # Emacs
637
 
                         "ctrl p": "up",        # Emacs
638
 
                         "ctrl v": "page down", # Emacs
639
 
                         "meta v": "page up",   # Emacs
640
 
                         " ": "page down",      # less
641
 
                         "f": "page down",      # less
642
 
                         "b": "page up",        # less
643
 
                         "j": "down",           # vi
644
 
                         "k": "up",             # vi
 
501
        translations = { u"ctrl n": u"down",      # Emacs
 
502
                         u"ctrl p": u"up",        # Emacs
 
503
                         u"ctrl v": u"page down", # Emacs
 
504
                         u"meta v": u"page up",   # Emacs
 
505
                         u" ": u"page down",      # less
 
506
                         u"f": u"page down",      # less
 
507
                         u"b": u"page up",        # less
 
508
                         u"j": u"down",           # vi
 
509
                         u"k": u"up",             # vi
645
510
                         }
646
511
        for key in keys:
647
512
            try:
649
514
            except KeyError:    # :-)
650
515
                pass
651
516
            
652
 
            if key == "q" or key == "Q":
 
517
            if key == u"q" or key == u"Q":
653
518
                self.stop()
654
519
                break
655
 
            elif key == "window resize":
 
520
            elif key == u"window resize":
656
521
                self.size = self.screen.get_cols_rows()
657
522
                self.refresh()
658
 
            elif key == "\f":  # Ctrl-L
 
523
            elif key == u"\f":  # Ctrl-L
659
524
                self.refresh()
660
 
            elif key == "l" or key == "D":
 
525
            elif key == u"l" or key == u"D":
661
526
                self.toggle_log_display()
662
527
                self.refresh()
663
 
            elif key == "w" or key == "i":
 
528
            elif key == u"w" or key == u"i":
664
529
                self.change_log_display()
665
530
                self.refresh()
666
 
            elif key == "?" or key == "f1" or key == "esc":
 
531
            elif key == u"?" or key == u"f1" or key == u"esc":
667
532
                if not self.log_visible:
668
533
                    self.log_visible = True
669
534
                    self.rebuild()
670
 
                self.log_message_raw(("bold",
671
 
                                      "  ".
672
 
                                      join(("q: Quit",
673
 
                                            "?: Help",
674
 
                                            "l: Log window toggle",
675
 
                                            "TAB: Switch window",
676
 
                                            "w: Wrap (log)"))))
677
 
                self.log_message_raw(("bold",
678
 
                                      "  "
679
 
                                      .join(("Clients:",
680
 
                                             "+: Enable",
681
 
                                             "-: Disable",
682
 
                                             "R: Remove",
683
 
                                             "s: Start new checker",
684
 
                                             "S: Stop checker",
685
 
                                             "C: Checker OK",
686
 
                                             "a: Approve",
687
 
                                             "d: Deny"))))
 
535
                self.log_message_raw((u"bold",
 
536
                                      u"  ".
 
537
                                      join((u"q: Quit",
 
538
                                            u"?: Help",
 
539
                                            u"l: Log window toggle",
 
540
                                            u"TAB: Switch window",
 
541
                                            u"w: Wrap (log)"))))
 
542
                self.log_message_raw((u"bold",
 
543
                                      u"  "
 
544
                                      .join((u"Clients:",
 
545
                                             u"e: Enable",
 
546
                                             u"d: Disable",
 
547
                                             u"r: Remove",
 
548
                                             u"s: Start new checker",
 
549
                                             u"S: Stop checker",
 
550
                                             u"C: Checker OK"))))
688
551
                self.refresh()
689
 
            elif key == "tab":
 
552
            elif key == u"tab":
690
553
                if self.topwidget.get_focus() is self.logbox:
691
554
                    self.topwidget.set_focus(0)
692
555
                else:
693
556
                    self.topwidget.set_focus(self.logbox)
694
557
                self.refresh()
695
 
            #elif (key == "end" or key == "meta >" or key == "G"
696
 
            #      or key == ">"):
 
558
            #elif (key == u"end" or key == u"meta >" or key == u"G"
 
559
            #      or key == u">"):
697
560
            #    pass            # xxx end-of-buffer
698
 
            #elif (key == "home" or key == "meta <" or key == "g"
699
 
            #      or key == "<"):
 
561
            #elif (key == u"home" or key == u"meta <" or key == u"g"
 
562
            #      or key == u"<"):
700
563
            #    pass            # xxx beginning-of-buffer
701
 
            #elif key == "ctrl e" or key == "$":
 
564
            #elif key == u"ctrl e" or key == u"$":
702
565
            #    pass            # xxx move-end-of-line
703
 
            #elif key == "ctrl a" or key == "^":
 
566
            #elif key == u"ctrl a" or key == u"^":
704
567
            #    pass            # xxx move-beginning-of-line
705
 
            #elif key == "ctrl b" or key == "meta (" or key == "h":
 
568
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
706
569
            #    pass            # xxx left
707
 
            #elif key == "ctrl f" or key == "meta )" or key == "l":
 
570
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
708
571
            #    pass            # xxx right
709
 
            #elif key == "a":
 
572
            #elif key == u"a":
710
573
            #    pass            # scroll up log
711
 
            #elif key == "z":
 
574
            #elif key == u"z":
712
575
            #    pass            # scroll down log
713
576
            elif self.topwidget.selectable():
714
577
                self.topwidget.keypress(self.size, key)
718
581
ui = UserInterface()
719
582
try:
720
583
    ui.run()
721
 
except KeyboardInterrupt:
722
 
    ui.screen.stop()
723
584
except Exception, e:
724
585
    ui.log_message(unicode(e))
725
586
    ui.screen.stop()