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* mandos (ClientHandler.handle): Set up the GnuTLS session object
                                 before reading the protocol number.
 (ClientHandler.handle/ProxyObject): New.

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mandos-monitor
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1
#!/usr/bin/python
2
2
# -*- mode: python; coding: utf-8 -*-
3
 
# 
4
 
# Mandos Monitor - Control and monitor the Mandos server
5
 
# 
6
 
# Copyright © 2009-2013 Teddy Hogeborn
7
 
# Copyright © 2009-2013 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
3
 
26
 
from __future__ import (division, absolute_import, print_function,
27
 
                        unicode_literals)
28
 
try:
29
 
    from future_builtins import *
30
 
except ImportError:
31
 
    pass
 
4
from __future__ import division, absolute_import, with_statement
32
5
 
33
6
import sys
34
7
import os
40
13
import urwid
41
14
 
42
15
from dbus.mainloop.glib import DBusGMainLoop
43
 
try:
44
 
    import gobject
45
 
except ImportError:
46
 
    from gi.repository import GObject as gobject
 
16
import gobject
47
17
 
48
18
import dbus
49
19
 
 
20
import UserList
 
21
 
50
22
import locale
51
23
 
52
 
if sys.version_info[0] == 2:
53
 
    str = unicode
54
 
 
55
 
locale.setlocale(locale.LC_ALL, '')
56
 
 
57
 
import logging
58
 
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
 
24
locale.setlocale(locale.LC_ALL, u'')
59
25
 
60
26
# Some useful constants
61
 
domain = 'se.recompile'
 
27
domain = 'se.bsnet.fukt'
62
28
server_interface = domain + '.Mandos'
63
29
client_interface = domain + '.Mandos.Client'
64
 
version = "1.6.2"
65
 
 
66
 
def isoformat_to_datetime(iso):
67
 
    "Parse an ISO 8601 date string to a datetime.datetime()"
68
 
    if not iso:
69
 
        return None
70
 
    d, t = iso.split("T", 1)
71
 
    year, month, day = d.split("-", 2)
72
 
    hour, minute, second = t.split(":", 2)
73
 
    second, fraction = divmod(float(second), 1)
74
 
    return datetime.datetime(int(year),
75
 
                             int(month),
76
 
                             int(day),
77
 
                             int(hour),
78
 
                             int(minute),
79
 
                             int(second),           # Whole seconds
80
 
                             int(fraction*1000000)) # Microseconds
 
30
version = "1.0.14"
 
31
 
 
32
# Always run in monochrome mode
 
33
urwid.curses_display.curses.has_colors = lambda : False
 
34
 
 
35
# Urwid doesn't support blinking, but we want it.  Since we have no
 
36
# use for underline on its own, we make underline also always blink.
 
37
urwid.curses_display.curses.A_UNDERLINE |= (
 
38
    urwid.curses_display.curses.A_BLINK)
81
39
 
82
40
class MandosClientPropertyCache(object):
83
41
    """This wraps a Mandos Client D-Bus proxy object, caches the
84
42
    properties and calls a hook function when any of them are
85
43
    changed.
86
44
    """
87
 
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
45
    def __init__(self, proxy_object=None, *args, **kwargs):
88
46
        self.proxy = proxy_object # Mandos Client proxy object
89
 
        self.properties = dict() if properties is None else properties
90
 
        self.property_changed_match = (
91
 
            self.proxy.connect_to_signal("PropertyChanged",
92
 
                                         self._property_changed,
93
 
                                         client_interface,
94
 
                                         byte_arrays=True))
95
 
        
96
 
        if properties is None:
97
 
            self.properties.update(
98
 
                self.proxy.GetAll(client_interface,
99
 
                                  dbus_interface
100
 
                                  = dbus.PROPERTIES_IFACE))
101
 
        
102
 
        super(MandosClientPropertyCache, self).__init__(**kwargs)
103
 
    
104
 
    def _property_changed(self, property, value):
105
 
        """Helper which takes positional arguments"""
106
 
        return self.property_changed(property=property, value=value)
 
47
        
 
48
        self.properties = dict()
 
49
        self.proxy.connect_to_signal(u"PropertyChanged",
 
50
                                     self.property_changed,
 
51
                                     client_interface,
 
52
                                     byte_arrays=True)
 
53
 
 
54
        self.properties.update(
 
55
            self.proxy.GetAll(client_interface,
 
56
                              dbus_interface = dbus.PROPERTIES_IFACE))
 
57
        super(MandosClientPropertyCache, self).__init__(
 
58
            proxy_object=proxy_object, *args, **kwargs)
107
59
    
108
60
    def property_changed(self, property=None, value=None):
109
61
        """This is called whenever we get a PropertyChanged signal
111
63
        """
112
64
        # Update properties dict with new value
113
65
        self.properties[property] = value
114
 
    
115
 
    def delete(self):
116
 
        self.property_changed_match.remove()
117
66
 
118
67
 
119
68
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
121
70
    """
122
71
    
123
72
    def __init__(self, server_proxy_object=None, update_hook=None,
124
 
                 delete_hook=None, logger=None, **kwargs):
 
73
                 delete_hook=None, logger=None, *args, **kwargs):
125
74
        # Called on update
126
75
        self.update_hook = update_hook
127
76
        # Called on delete
131
80
        # Logger
132
81
        self.logger = logger
133
82
        
134
 
        self._update_timer_callback_tag = None
135
 
        
136
83
        # The widget shown normally
137
 
        self._text_widget = urwid.Text("")
 
84
        self._text_widget = urwid.Text(u"")
138
85
        # The widget shown when we have focus
139
 
        self._focus_text_widget = urwid.Text("")
140
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
86
        self._focus_text_widget = urwid.Text(u"")
 
87
        super(MandosClientWidget, self).__init__(
 
88
            update_hook=update_hook, delete_hook=delete_hook,
 
89
            *args, **kwargs)
141
90
        self.update()
142
91
        self.opened = False
143
 
        
144
 
        self.match_objects = (
145
 
            self.proxy.connect_to_signal("CheckerCompleted",
146
 
                                         self.checker_completed,
147
 
                                         client_interface,
148
 
                                         byte_arrays=True),
149
 
            self.proxy.connect_to_signal("CheckerStarted",
150
 
                                         self.checker_started,
151
 
                                         client_interface,
152
 
                                         byte_arrays=True),
153
 
            self.proxy.connect_to_signal("GotSecret",
154
 
                                         self.got_secret,
155
 
                                         client_interface,
156
 
                                         byte_arrays=True),
157
 
            self.proxy.connect_to_signal("NeedApproval",
158
 
                                         self.need_approval,
159
 
                                         client_interface,
160
 
                                         byte_arrays=True),
161
 
            self.proxy.connect_to_signal("Rejected",
162
 
                                         self.rejected,
163
 
                                         client_interface,
164
 
                                         byte_arrays=True))
165
 
        #self.logger('Created client {0}'
166
 
        #            .format(self.properties["Name"]))
167
 
    
168
 
    def using_timer(self, flag):
169
 
        """Call this method with True or False when timer should be
170
 
        activated or deactivated.
171
 
        """
172
 
        if flag and self._update_timer_callback_tag is None:
173
 
            # Will update the shown timer value every second
174
 
            self._update_timer_callback_tag = (gobject.timeout_add
175
 
                                               (1000,
176
 
                                                self.update_timer))
177
 
        elif not (flag or self._update_timer_callback_tag is None):
178
 
            gobject.source_remove(self._update_timer_callback_tag)
179
 
            self._update_timer_callback_tag = None
 
92
        self.proxy.connect_to_signal(u"CheckerCompleted",
 
93
                                     self.checker_completed,
 
94
                                     client_interface,
 
95
                                     byte_arrays=True)
 
96
        self.proxy.connect_to_signal(u"CheckerStarted",
 
97
                                     self.checker_started,
 
98
                                     client_interface,
 
99
                                     byte_arrays=True)
 
100
        self.proxy.connect_to_signal(u"GotSecret",
 
101
                                     self.got_secret,
 
102
                                     client_interface,
 
103
                                     byte_arrays=True)
 
104
        self.proxy.connect_to_signal(u"Rejected",
 
105
                                     self.rejected,
 
106
                                     client_interface,
 
107
                                     byte_arrays=True)
180
108
    
181
109
    def checker_completed(self, exitstatus, condition, command):
182
110
        if exitstatus == 0:
183
 
            self.update()
 
111
            self.logger(u'Checker for client %s (command "%s")'
 
112
                        u' was successful'
 
113
                        % (self.properties[u"name"], command))
184
114
            return
185
 
        # Checker failed
186
115
        if os.WIFEXITED(condition):
187
 
            self.logger('Checker for client {0} (command "{1}")'
188
 
                        ' failed with exit code {2}'
189
 
                        .format(self.properties["Name"], command,
190
 
                                os.WEXITSTATUS(condition)))
191
 
        elif os.WIFSIGNALED(condition):
192
 
            self.logger('Checker for client {0} (command "{1}") was'
193
 
                        ' killed by signal {2}'
194
 
                        .format(self.properties["Name"], command,
195
 
                                os.WTERMSIG(condition)))
196
 
        elif os.WCOREDUMP(condition):
197
 
            self.logger('Checker for client {0} (command "{1}")'
198
 
                        ' dumped core'
199
 
                        .format(self.properties["Name"], command))
200
 
        else:
201
 
            self.logger('Checker for client {0} completed'
202
 
                        ' mysteriously'
203
 
                        .format(self.properties["Name"]))
204
 
        self.update()
 
116
            self.logger(u'Checker for client %s (command "%s")'
 
117
                        u' failed with exit code %s'
 
118
                        % (self.properties[u"name"], command,
 
119
                           os.WEXITSTATUS(condition)))
 
120
            return
 
121
        if os.WIFSIGNALED(condition):
 
122
            self.logger(u'Checker for client %s (command "%s")'
 
123
                        u' was killed by signal %s'
 
124
                        % (self.properties[u"name"], command,
 
125
                           os.WTERMSIG(condition)))
 
126
            return
 
127
        if os.WCOREDUMP(condition):
 
128
            self.logger(u'Checker for client %s (command "%s")'
 
129
                        u' dumped core'
 
130
                        % (self.properties[u"name"], command))
 
131
        self.logger(u'Checker for client %s completed mysteriously')
205
132
    
206
133
    def checker_started(self, command):
207
 
        """Server signals that a checker started. This could be useful
208
 
           to log in the future. """
209
 
        #self.logger('Client {0} started checker "{1}"'
210
 
        #            .format(self.properties["Name"],
211
 
        #                    str(command)))
212
 
        pass
 
134
        self.logger(u'Client %s started checker "%s"'
 
135
                    % (self.properties[u"name"], unicode(command)))
213
136
    
214
137
    def got_secret(self):
215
 
        self.logger('Client {0} received its secret'
216
 
                    .format(self.properties["Name"]))
217
 
    
218
 
    def need_approval(self, timeout, default):
219
 
        if not default:
220
 
            message = 'Client {0} needs approval within {1} seconds'
221
 
        else:
222
 
            message = 'Client {0} will get its secret in {1} seconds'
223
 
        self.logger(message.format(self.properties["Name"],
224
 
                                   timeout/1000))
225
 
    
226
 
    def rejected(self, reason):
227
 
        self.logger('Client {0} was rejected; reason: {1}'
228
 
                    .format(self.properties["Name"], reason))
 
138
        self.logger(u'Client %s received its secret'
 
139
                    % self.properties[u"name"])
 
140
    
 
141
    def rejected(self):
 
142
        self.logger(u'Client %s was rejected'
 
143
                    % self.properties[u"name"])
229
144
    
230
145
    def selectable(self):
231
146
        """Make this a "selectable" widget.
232
147
        This overrides the method from urwid.FlowWidget."""
233
148
        return True
234
149
    
235
 
    def rows(self, maxcolrow, focus=False):
 
150
    def rows(self, (maxcol,), focus=False):
236
151
        """How many rows this widget will occupy might depend on
237
152
        whether we have focus or not.
238
153
        This overrides the method from urwid.FlowWidget"""
239
 
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
154
        return self.current_widget(focus).rows((maxcol,), focus=focus)
240
155
    
241
156
    def current_widget(self, focus=False):
242
157
        if focus or self.opened:
246
161
    def update(self):
247
162
        "Called when what is visible on the screen should be updated."
248
163
        # How to add standout mode to a style
249
 
        with_standout = { "normal": "standout",
250
 
                          "bold": "bold-standout",
251
 
                          "underline-blink":
252
 
                              "underline-blink-standout",
253
 
                          "bold-underline-blink":
254
 
                              "bold-underline-blink-standout",
 
164
        with_standout = { u"normal": u"standout",
 
165
                          u"bold": u"bold-standout",
 
166
                          u"underline-blink":
 
167
                              u"underline-blink-standout",
 
168
                          u"bold-underline-blink":
 
169
                              u"bold-underline-blink-standout",
255
170
                          }
256
171
        
257
172
        # Rebuild focus and non-focus widgets using current properties
258
 
        
259
 
        # Base part of a client. Name!
260
 
        base = '{name}: '.format(name=self.properties["Name"])
261
 
        if not self.properties["Enabled"]:
262
 
            message = "DISABLED"
263
 
            self.using_timer(False)
264
 
        elif self.properties["ApprovalPending"]:
265
 
            timeout = datetime.timedelta(milliseconds
266
 
                                         = self.properties
267
 
                                         ["ApprovalDelay"])
268
 
            last_approval_request = isoformat_to_datetime(
269
 
                self.properties["LastApprovalRequest"])
270
 
            if last_approval_request is not None:
271
 
                timer = max(timeout - (datetime.datetime.utcnow()
272
 
                                       - last_approval_request),
273
 
                            datetime.timedelta())
274
 
            else:
275
 
                timer = datetime.timedelta()
276
 
            if self.properties["ApprovedByDefault"]:
277
 
                message = "Approval in {0}. (d)eny?"
278
 
            else:
279
 
                message = "Denial in {0}. (a)pprove?"
280
 
            message = message.format(str(timer).rsplit(".", 1)[0])
281
 
            self.using_timer(True)
282
 
        elif self.properties["LastCheckerStatus"] != 0:
283
 
            # When checker has failed, show timer until client expires
284
 
            expires = self.properties["Expires"]
285
 
            if expires == "":
286
 
                timer = datetime.timedelta(0)
287
 
            else:
288
 
                expires = (datetime.datetime.strptime
289
 
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
290
 
                timer = max(expires - datetime.datetime.utcnow(),
291
 
                            datetime.timedelta())
292
 
            message = ('A checker has failed! Time until client'
293
 
                       ' gets disabled: {0}'
294
 
                       .format(str(timer).rsplit(".", 1)[0]))
295
 
            self.using_timer(True)
296
 
        else:
297
 
            message = "enabled"
298
 
            self.using_timer(False)
299
 
        self._text = "{0}{1}".format(base, message)
300
 
        
 
173
        self._text = (u'%(name)s: %(enabled)s'
 
174
                      % { u"name": self.properties[u"name"],
 
175
                          u"enabled":
 
176
                              (u"enabled"
 
177
                               if self.properties[u"enabled"]
 
178
                               else u"DISABLED")})
301
179
        if not urwid.supports_unicode():
302
180
            self._text = self._text.encode("ascii", "replace")
303
 
        textlist = [("normal", self._text)]
 
181
        textlist = [(u"normal", self._text)]
304
182
        self._text_widget.set_text(textlist)
305
183
        self._focus_text_widget.set_text([(with_standout[text[0]],
306
184
                                           text[1])
314
192
        if self.update_hook is not None:
315
193
            self.update_hook()
316
194
    
317
 
    def update_timer(self):
318
 
        """called by gobject. Will indefinitely loop until
319
 
        gobject.source_remove() on tag is called"""
320
 
        self.update()
321
 
        return True             # Keep calling this
322
 
    
323
 
    def delete(self, **kwargs):
324
 
        if self._update_timer_callback_tag is not None:
325
 
            gobject.source_remove(self._update_timer_callback_tag)
326
 
            self._update_timer_callback_tag = None
327
 
        for match in self.match_objects:
328
 
            match.remove()
329
 
        self.match_objects = ()
 
195
    def delete(self):
330
196
        if self.delete_hook is not None:
331
197
            self.delete_hook(self)
332
 
        return super(MandosClientWidget, self).delete(**kwargs)
333
198
    
334
 
    def render(self, maxcolrow, focus=False):
 
199
    def render(self, (maxcol,), focus=False):
335
200
        """Render differently if we have focus.
336
201
        This overrides the method from urwid.FlowWidget"""
337
 
        return self.current_widget(focus).render(maxcolrow,
 
202
        return self.current_widget(focus).render((maxcol,),
338
203
                                                 focus=focus)
339
204
    
340
 
    def keypress(self, maxcolrow, key):
 
205
    def keypress(self, (maxcol,), key):
341
206
        """Handle keys.
342
207
        This overrides the method from urwid.FlowWidget"""
343
 
        if key == "+":
344
 
            self.proxy.Enable(dbus_interface = client_interface,
345
 
                              ignore_reply=True)
346
 
        elif key == "-":
347
 
            self.proxy.Disable(dbus_interface = client_interface,
348
 
                               ignore_reply=True)
349
 
        elif key == "a":
350
 
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
351
 
                               dbus_interface = client_interface,
352
 
                               ignore_reply=True)
353
 
        elif key == "d":
354
 
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
355
 
                                  dbus_interface = client_interface,
356
 
                               ignore_reply=True)
357
 
        elif key == "R" or key == "_" or key == "ctrl k":
 
208
        if key == u"e" or key == u"+":
 
209
            self.proxy.Enable()
 
210
        elif key == u"d" or key == u"-":
 
211
            self.proxy.Disable()
 
212
        elif key == u"r" or key == u"_" or key == u"ctrl k":
358
213
            self.server_proxy_object.RemoveClient(self.proxy
359
 
                                                  .object_path,
360
 
                                                  ignore_reply=True)
361
 
        elif key == "s":
362
 
            self.proxy.StartChecker(dbus_interface = client_interface,
363
 
                                    ignore_reply=True)
364
 
        elif key == "S":
365
 
            self.proxy.StopChecker(dbus_interface = client_interface,
366
 
                                   ignore_reply=True)
367
 
        elif key == "C":
368
 
            self.proxy.CheckedOK(dbus_interface = client_interface,
369
 
                                 ignore_reply=True)
 
214
                                                  .object_path)
 
215
        elif key == u"s":
 
216
            self.proxy.StartChecker()
 
217
        elif key == u"S":
 
218
            self.proxy.StopChecker()
 
219
        elif key == u"C":
 
220
            self.proxy.CheckedOK()
370
221
        # xxx
371
 
#         elif key == "p" or key == "=":
 
222
#         elif key == u"p" or key == "=":
372
223
#             self.proxy.pause()
373
 
#         elif key == "u" or key == ":":
 
224
#         elif key == u"u" or key == ":":
374
225
#             self.proxy.unpause()
375
 
#         elif key == "RET":
 
226
#         elif key == u"RET":
376
227
#             self.open()
377
228
        else:
378
229
            return key
379
230
    
380
 
    def property_changed(self, property=None, **kwargs):
 
231
    def property_changed(self, property=None, value=None,
 
232
                         *args, **kwargs):
381
233
        """Call self.update() if old value is not new value.
382
234
        This overrides the method from MandosClientPropertyCache"""
383
 
        property_name = str(property)
 
235
        property_name = unicode(property)
384
236
        old_value = self.properties.get(property_name)
385
237
        super(MandosClientWidget, self).property_changed(
386
 
            property=property, **kwargs)
 
238
            property=property, value=value, *args, **kwargs)
387
239
        if self.properties.get(property_name) != old_value:
388
240
            self.update()
389
241
 
393
245
    "down" key presses, thus not allowing any containing widgets to
394
246
    use them as an excuse to shift focus away from this widget.
395
247
    """
396
 
    def keypress(self, *args, **kwargs):
397
 
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
398
 
        if ret in ("up", "down"):
 
248
    def keypress(self, (maxcol, maxrow), key):
 
249
        ret = super(ConstrainedListBox, self).keypress((maxcol, maxrow), key)
 
250
        if ret in (u"up", u"down"):
399
251
            return
400
252
        return ret
401
253
 
410
262
        self.screen = urwid.curses_display.Screen()
411
263
        
412
264
        self.screen.register_palette((
413
 
                ("normal",
414
 
                 "default", "default", None),
415
 
                ("bold",
416
 
                 "bold", "default", "bold"),
417
 
                ("underline-blink",
418
 
                 "underline,blink", "default", "underline,blink"),
419
 
                ("standout",
420
 
                 "standout", "default", "standout"),
421
 
                ("bold-underline-blink",
422
 
                 "bold,underline,blink", "default", "bold,underline,blink"),
423
 
                ("bold-standout",
424
 
                 "bold,standout", "default", "bold,standout"),
425
 
                ("underline-blink-standout",
426
 
                 "underline,blink,standout", "default",
427
 
                 "underline,blink,standout"),
428
 
                ("bold-underline-blink-standout",
429
 
                 "bold,underline,blink,standout", "default",
430
 
                 "bold,underline,blink,standout"),
 
265
                (u"normal",
 
266
                 u"default", u"default", None),
 
267
                (u"bold",
 
268
                 u"default", u"default", u"bold"),
 
269
                (u"underline-blink",
 
270
                 u"default", u"default", u"underline"),
 
271
                (u"standout",
 
272
                 u"default", u"default", u"standout"),
 
273
                (u"bold-underline-blink",
 
274
                 u"default", u"default", (u"bold", u"underline")),
 
275
                (u"bold-standout",
 
276
                 u"default", u"default", (u"bold", u"standout")),
 
277
                (u"underline-blink-standout",
 
278
                 u"default", u"default", (u"underline", u"standout")),
 
279
                (u"bold-underline-blink-standout",
 
280
                 u"default", u"default", (u"bold", u"underline",
 
281
                                          u"standout")),
431
282
                ))
432
283
        
433
284
        if urwid.supports_unicode():
434
 
            self.divider = "─" # \u2500
435
 
            #self.divider = "━" # \u2501
 
285
            self.divider = u"─" # \u2500
 
286
            #self.divider = u"━" # \u2501
436
287
        else:
437
 
            #self.divider = "-" # \u002d
438
 
            self.divider = "_" # \u005f
 
288
            #self.divider = u"-" # \u002d
 
289
            self.divider = u"_" # \u005f
439
290
        
440
291
        self.screen.start()
441
292
        
455
306
        # This keeps track of whether self.uilist currently has
456
307
        # self.logbox in it or not
457
308
        self.log_visible = True
458
 
        self.log_wrap = "any"
 
309
        self.log_wrap = u"any"
459
310
        
460
311
        self.rebuild()
461
 
        self.log_message_raw(("bold",
462
 
                              "Mandos Monitor version " + version))
463
 
        self.log_message_raw(("bold",
464
 
                              "q: Quit  ?: Help"))
 
312
        self.log_message_raw((u"bold",
 
313
                              u"Mandos Monitor version " + version))
 
314
        self.log_message_raw((u"bold",
 
315
                              u"q: Quit  ?: Help"))
465
316
        
466
317
        self.busname = domain + '.Mandos'
467
318
        self.main_loop = gobject.MainLoop()
 
319
        self.bus = dbus.SystemBus()
 
320
        mandos_dbus_objc = self.bus.get_object(
 
321
            self.busname, u"/", follow_name_owner_changes=True)
 
322
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
323
                                          dbus_interface
 
324
                                          = server_interface)
 
325
        try:
 
326
            mandos_clients = (self.mandos_serv
 
327
                              .GetAllClientsWithProperties())
 
328
        except dbus.exceptions.DBusException:
 
329
            mandos_clients = dbus.Dictionary()
 
330
        
 
331
        (self.mandos_serv
 
332
         .connect_to_signal(u"ClientRemoved",
 
333
                            self.find_and_remove_client,
 
334
                            dbus_interface=server_interface,
 
335
                            byte_arrays=True))
 
336
        (self.mandos_serv
 
337
         .connect_to_signal(u"ClientAdded",
 
338
                            self.add_new_client,
 
339
                            dbus_interface=server_interface,
 
340
                            byte_arrays=True))
 
341
        (self.mandos_serv
 
342
         .connect_to_signal(u"ClientNotFound",
 
343
                            self.client_not_found,
 
344
                            dbus_interface=server_interface,
 
345
                            byte_arrays=True))
 
346
        for path, client in mandos_clients.iteritems():
 
347
            client_proxy_object = self.bus.get_object(self.busname,
 
348
                                                      path)
 
349
            self.add_client(MandosClientWidget(server_proxy_object
 
350
                                               =self.mandos_serv,
 
351
                                               proxy_object
 
352
                                               =client_proxy_object,
 
353
                                               properties=client,
 
354
                                               update_hook
 
355
                                               =self.refresh,
 
356
                                               delete_hook
 
357
                                               =self.remove_client,
 
358
                                               logger
 
359
                                               =self.log_message),
 
360
                            path=path)
468
361
    
469
362
    def client_not_found(self, fingerprint, address):
470
 
        self.log_message("Client with address {0} and fingerprint"
471
 
                         " {1} could not be found"
472
 
                         .format(address, fingerprint))
 
363
        self.log_message((u"Client with address %s and fingerprint %s"
 
364
                          u" could not be found" % (address,
 
365
                                                    fingerprint)))
473
366
    
474
367
    def rebuild(self):
475
368
        """This rebuilds the User Interface.
476
369
        Call this when the widget layout needs to change"""
477
370
        self.uilist = []
478
371
        #self.uilist.append(urwid.ListBox(self.clients))
479
 
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
480
 
                                                          clients),
 
372
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
481
373
                                       #header=urwid.Divider(),
482
374
                                       header=None,
483
 
                                       footer=
484
 
                                       urwid.Divider(div_char=
485
 
                                                     self.divider)))
 
375
                                       footer=urwid.Divider(div_char=self.divider)))
486
376
        if self.log_visible:
487
377
            self.uilist.append(self.logbox)
 
378
            pass
488
379
        self.topwidget = urwid.Pile(self.uilist)
489
380
    
490
381
    def log_message(self, message):
491
 
        """Log message formatted with timestamp"""
492
382
        timestamp = datetime.datetime.now().isoformat()
493
 
        self.log_message_raw(timestamp + ": " + message)
 
383
        self.log_message_raw(timestamp + u": " + message)
494
384
    
495
385
    def log_message_raw(self, markup):
496
386
        """Add a log message to the log buffer."""
499
389
            and len(self.log) > self.max_log_length):
500
390
            del self.log[0:len(self.log)-self.max_log_length-1]
501
391
        self.logbox.set_focus(len(self.logbox.body.contents),
502
 
                              coming_from="above")
 
392
                              coming_from=u"above")
503
393
        self.refresh()
504
394
    
505
395
    def toggle_log_display(self):
506
396
        """Toggle visibility of the log buffer."""
507
397
        self.log_visible = not self.log_visible
508
398
        self.rebuild()
509
 
        #self.log_message("Log visibility changed to: "
510
 
        #                 + str(self.log_visible))
 
399
        self.log_message(u"Log visibility changed to: "
 
400
                         + unicode(self.log_visible))
511
401
    
512
402
    def change_log_display(self):
513
403
        """Change type of log display.
514
404
        Currently, this toggles wrapping of text lines."""
515
 
        if self.log_wrap == "clip":
516
 
            self.log_wrap = "any"
 
405
        if self.log_wrap == u"clip":
 
406
            self.log_wrap = u"any"
517
407
        else:
518
 
            self.log_wrap = "clip"
 
408
            self.log_wrap = u"clip"
519
409
        for textwidget in self.log:
520
410
            textwidget.set_wrap_mode(self.log_wrap)
521
 
        #self.log_message("Wrap mode: " + self.log_wrap)
 
411
        self.log_message(u"Wrap mode: " + self.log_wrap)
522
412
    
523
413
    def find_and_remove_client(self, path, name):
524
 
        """Find a client by its object path and remove it.
 
414
        """Find an client from its object path and remove it.
525
415
        
526
416
        This is connected to the ClientRemoved signal from the
527
417
        Mandos server object."""
529
419
            client = self.clients_dict[path]
530
420
        except KeyError:
531
421
            # not found?
532
 
            self.log_message("Unknown client {0!r} ({1!r}) removed"
533
 
                             .format(name, path))
534
422
            return
535
 
        client.delete()
 
423
        self.remove_client(client, path)
536
424
    
537
425
    def add_new_client(self, path):
538
426
        client_proxy_object = self.bus.get_object(self.busname, path)
553
441
        if path is None:
554
442
            path = client.proxy.object_path
555
443
        self.clients_dict[path] = client
556
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
444
        self.clients.sort(None, lambda c: c.properties[u"name"])
557
445
        self.refresh()
558
446
    
559
447
    def remove_client(self, client, path=None):
561
449
        if path is None:
562
450
            path = client.proxy.object_path
563
451
        del self.clients_dict[path]
 
452
        if not self.clients_dict:
 
453
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
454
            # is completely emptied, we need to recreate it.
 
455
            self.clients = urwid.SimpleListWalker([])
 
456
            self.rebuild()
564
457
        self.refresh()
565
458
    
566
459
    def refresh(self):
570
463
    
571
464
    def run(self):
572
465
        """Start the main loop and exit when it's done."""
573
 
        self.bus = dbus.SystemBus()
574
 
        mandos_dbus_objc = self.bus.get_object(
575
 
            self.busname, "/", follow_name_owner_changes=True)
576
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
577
 
                                          dbus_interface
578
 
                                          = server_interface)
579
 
        try:
580
 
            mandos_clients = (self.mandos_serv
581
 
                              .GetAllClientsWithProperties())
582
 
            if not mandos_clients:
583
 
                self.log_message_raw(("bold", "Note: Server has no clients."))
584
 
        except dbus.exceptions.DBusException:
585
 
            self.log_message_raw(("bold", "Note: No Mandos server running."))
586
 
            mandos_clients = dbus.Dictionary()
587
 
        
588
 
        (self.mandos_serv
589
 
         .connect_to_signal("ClientRemoved",
590
 
                            self.find_and_remove_client,
591
 
                            dbus_interface=server_interface,
592
 
                            byte_arrays=True))
593
 
        (self.mandos_serv
594
 
         .connect_to_signal("ClientAdded",
595
 
                            self.add_new_client,
596
 
                            dbus_interface=server_interface,
597
 
                            byte_arrays=True))
598
 
        (self.mandos_serv
599
 
         .connect_to_signal("ClientNotFound",
600
 
                            self.client_not_found,
601
 
                            dbus_interface=server_interface,
602
 
                            byte_arrays=True))
603
 
        for path, client in mandos_clients.items():
604
 
            client_proxy_object = self.bus.get_object(self.busname,
605
 
                                                      path)
606
 
            self.add_client(MandosClientWidget(server_proxy_object
607
 
                                               =self.mandos_serv,
608
 
                                               proxy_object
609
 
                                               =client_proxy_object,
610
 
                                               properties=client,
611
 
                                               update_hook
612
 
                                               =self.refresh,
613
 
                                               delete_hook
614
 
                                               =self.remove_client,
615
 
                                               logger
616
 
                                               =self.log_message),
617
 
                            path=path)
618
 
        
619
466
        self.refresh()
620
467
        self._input_callback_tag = (gobject.io_add_watch
621
468
                                    (sys.stdin.fileno(),
631
478
    
632
479
    def process_input(self, source, condition):
633
480
        keys = self.screen.get_input()
634
 
        translations = { "ctrl n": "down",      # Emacs
635
 
                         "ctrl p": "up",        # Emacs
636
 
                         "ctrl v": "page down", # Emacs
637
 
                         "meta v": "page up",   # Emacs
638
 
                         " ": "page down",      # less
639
 
                         "f": "page down",      # less
640
 
                         "b": "page up",        # less
641
 
                         "j": "down",           # vi
642
 
                         "k": "up",             # vi
 
481
        translations = { u"ctrl n": u"down",      # Emacs
 
482
                         u"ctrl p": u"up",        # Emacs
 
483
                         u"ctrl v": u"page down", # Emacs
 
484
                         u"meta v": u"page up",   # Emacs
 
485
                         u" ": u"page down",      # less
 
486
                         u"f": u"page down",      # less
 
487
                         u"b": u"page up",        # less
 
488
                         u"j": u"down",           # vi
 
489
                         u"k": u"up",             # vi
643
490
                         }
644
491
        for key in keys:
645
492
            try:
647
494
            except KeyError:    # :-)
648
495
                pass
649
496
            
650
 
            if key == "q" or key == "Q":
 
497
            if key == u"q" or key == u"Q":
651
498
                self.stop()
652
499
                break
653
 
            elif key == "window resize":
 
500
            elif key == u"window resize":
654
501
                self.size = self.screen.get_cols_rows()
655
502
                self.refresh()
656
 
            elif key == "\f":  # Ctrl-L
 
503
            elif key == u"\f":  # Ctrl-L
657
504
                self.refresh()
658
 
            elif key == "l" or key == "D":
 
505
            elif key == u"l" or key == u"D":
659
506
                self.toggle_log_display()
660
507
                self.refresh()
661
 
            elif key == "w" or key == "i":
 
508
            elif key == u"w" or key == u"i":
662
509
                self.change_log_display()
663
510
                self.refresh()
664
 
            elif key == "?" or key == "f1" or key == "esc":
 
511
            elif key == u"?" or key == u"f1" or key == u"esc":
665
512
                if not self.log_visible:
666
513
                    self.log_visible = True
667
514
                    self.rebuild()
668
 
                self.log_message_raw(("bold",
669
 
                                      "  ".
670
 
                                      join(("q: Quit",
671
 
                                            "?: Help",
672
 
                                            "l: Log window toggle",
673
 
                                            "TAB: Switch window",
674
 
                                            "w: Wrap (log)"))))
675
 
                self.log_message_raw(("bold",
676
 
                                      "  "
677
 
                                      .join(("Clients:",
678
 
                                             "+: Enable",
679
 
                                             "-: Disable",
680
 
                                             "R: Remove",
681
 
                                             "s: Start new checker",
682
 
                                             "S: Stop checker",
683
 
                                             "C: Checker OK",
684
 
                                             "a: Approve",
685
 
                                             "d: Deny"))))
 
515
                self.log_message_raw((u"bold",
 
516
                                      u"  ".
 
517
                                      join((u"q: Quit",
 
518
                                            u"?: Help",
 
519
                                            u"l: Log window toggle",
 
520
                                            u"TAB: Switch window",
 
521
                                            u"w: Wrap (log)"))))
 
522
                self.log_message_raw((u"bold",
 
523
                                      u"  "
 
524
                                      .join((u"Clients:",
 
525
                                             u"e: Enable",
 
526
                                             u"d: Disable",
 
527
                                             u"r: Remove",
 
528
                                             u"s: Start new checker",
 
529
                                             u"S: Stop checker",
 
530
                                             u"C: Checker OK"))))
686
531
                self.refresh()
687
 
            elif key == "tab":
 
532
            elif key == u"tab":
688
533
                if self.topwidget.get_focus() is self.logbox:
689
534
                    self.topwidget.set_focus(0)
690
535
                else:
691
536
                    self.topwidget.set_focus(self.logbox)
692
537
                self.refresh()
693
 
            #elif (key == "end" or key == "meta >" or key == "G"
694
 
            #      or key == ">"):
 
538
            #elif (key == u"end" or key == u"meta >" or key == u"G"
 
539
            #      or key == u">"):
695
540
            #    pass            # xxx end-of-buffer
696
 
            #elif (key == "home" or key == "meta <" or key == "g"
697
 
            #      or key == "<"):
 
541
            #elif (key == u"home" or key == u"meta <" or key == u"g"
 
542
            #      or key == u"<"):
698
543
            #    pass            # xxx beginning-of-buffer
699
 
            #elif key == "ctrl e" or key == "$":
 
544
            #elif key == u"ctrl e" or key == u"$":
700
545
            #    pass            # xxx move-end-of-line
701
 
            #elif key == "ctrl a" or key == "^":
 
546
            #elif key == u"ctrl a" or key == u"^":
702
547
            #    pass            # xxx move-beginning-of-line
703
 
            #elif key == "ctrl b" or key == "meta (" or key == "h":
 
548
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
704
549
            #    pass            # xxx left
705
 
            #elif key == "ctrl f" or key == "meta )" or key == "l":
 
550
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
706
551
            #    pass            # xxx right
707
 
            #elif key == "a":
 
552
            #elif key == u"a":
708
553
            #    pass            # scroll up log
709
 
            #elif key == "z":
 
554
            #elif key == u"z":
710
555
            #    pass            # scroll down log
711
556
            elif self.topwidget.selectable():
712
557
                self.topwidget.keypress(self.size, key)
716
561
ui = UserInterface()
717
562
try:
718
563
    ui.run()
719
 
except KeyboardInterrupt:
720
 
    ui.screen.stop()
721
 
except Exception as e:
722
 
    ui.log_message(str(e))
 
564
except Exception, e:
 
565
    ui.log_message(unicode(e))
723
566
    ui.screen.stop()
724
567
    raise