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* mandos (AvahiService.entry_group_state_changed): Better debug log
                                                   message.
  (AvahiService.server_state_changed): Added debug log message.

* mandos-monitor (isoformat_to_datetime): New function.
  (MandosClientWidget): Show a countdown to disabling if last checker
                        failed.

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Lines of Context:
mandos-monitor
1
1
#!/usr/bin/python
2
2
# -*- mode: python; coding: utf-8 -*-
3
 
# 
4
 
# Mandos Monitor - Control and monitor the Mandos server
5
 
# 
6
 
# Copyright © 2009-2012 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
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 = "1.6.0"
 
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)
65
39
 
66
40
def isoformat_to_datetime(iso):
67
41
    "Parse an ISO 8601 date string to a datetime.datetime()"
68
42
    if not iso:
69
43
        return None
70
 
    d, t = iso.split("T", 1)
71
 
    year, month, day = d.split("-", 2)
72
 
    hour, minute, second = t.split(":", 2)
 
44
    d, t = iso.split(u"T", 1)
 
45
    year, month, day = d.split(u"-", 2)
 
46
    hour, minute, second = t.split(u":", 2)
73
47
    second, fraction = divmod(float(second), 1)
74
48
    return datetime.datetime(int(year),
75
49
                             int(month),
84
58
    properties and calls a hook function when any of them are
85
59
    changed.
86
60
    """
87
 
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
61
    def __init__(self, proxy_object=None, *args, **kwargs):
88
62
        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)
 
63
        
 
64
        self.properties = dict()
 
65
        self.proxy.connect_to_signal(u"PropertyChanged",
 
66
                                     self.property_changed,
 
67
                                     client_interface,
 
68
                                     byte_arrays=True)
 
69
        
 
70
        self.properties.update(
 
71
            self.proxy.GetAll(client_interface,
 
72
                              dbus_interface = dbus.PROPERTIES_IFACE))
 
73
        super(MandosClientPropertyCache, self).__init__(
 
74
            proxy_object=proxy_object, *args, **kwargs)
107
75
    
108
76
    def property_changed(self, property=None, value=None):
109
77
        """This is called whenever we get a PropertyChanged signal
111
79
        """
112
80
        # Update properties dict with new value
113
81
        self.properties[property] = value
114
 
    
115
 
    def delete(self):
116
 
        self.property_changed_match.remove()
117
82
 
118
83
 
119
84
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
121
86
    """
122
87
    
123
88
    def __init__(self, server_proxy_object=None, update_hook=None,
124
 
                 delete_hook=None, logger=None, **kwargs):
 
89
                 delete_hook=None, logger=None, *args, **kwargs):
125
90
        # Called on update
126
91
        self.update_hook = update_hook
127
92
        # Called on delete
132
97
        self.logger = logger
133
98
        
134
99
        self._update_timer_callback_tag = None
 
100
        self.last_checker_failed = False
135
101
        
136
102
        # The widget shown normally
137
 
        self._text_widget = urwid.Text("")
 
103
        self._text_widget = urwid.Text(u"")
138
104
        # The widget shown when we have focus
139
 
        self._focus_text_widget = urwid.Text("")
140
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
105
        self._focus_text_widget = urwid.Text(u"")
 
106
        super(MandosClientWidget, self).__init__(
 
107
            update_hook=update_hook, delete_hook=delete_hook,
 
108
            *args, **kwargs)
141
109
        self.update()
142
110
        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
 
111
        self.proxy.connect_to_signal(u"CheckerCompleted",
 
112
                                     self.checker_completed,
 
113
                                     client_interface,
 
114
                                     byte_arrays=True)
 
115
        self.proxy.connect_to_signal(u"CheckerStarted",
 
116
                                     self.checker_started,
 
117
                                     client_interface,
 
118
                                     byte_arrays=True)
 
119
        self.proxy.connect_to_signal(u"GotSecret",
 
120
                                     self.got_secret,
 
121
                                     client_interface,
 
122
                                     byte_arrays=True)
 
123
        self.proxy.connect_to_signal(u"Rejected",
 
124
                                     self.rejected,
 
125
                                     client_interface,
 
126
                                     byte_arrays=True)
 
127
        last_checked_ok = isoformat_to_datetime(self.properties
 
128
                                                ["last_checked_ok"])
 
129
        if last_checked_ok is None:
 
130
            self.last_checker_failed = True
 
131
        else:
 
132
            self.last_checker_failed = ((datetime.datetime.utcnow()
 
133
                                         - last_checked_ok)
 
134
                                        > datetime.timedelta
 
135
                                        (milliseconds=
 
136
                                         self.properties["interval"]))
 
137
        if self.last_checker_failed:
174
138
            self._update_timer_callback_tag = (gobject.timeout_add
175
139
                                               (1000,
176
140
                                                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
180
141
    
181
142
    def checker_completed(self, exitstatus, condition, command):
182
143
        if exitstatus == 0:
 
144
            if self.last_checker_failed:
 
145
                self.last_checker_failed = False
 
146
                gobject.source_remove(self._update_timer_callback_tag)
 
147
                self._update_timer_callback_tag = None
 
148
            self.logger(u'Checker for client %s (command "%s")'
 
149
                        u' was successful'
 
150
                        % (self.properties[u"name"], command))
183
151
            self.update()
184
152
            return
185
153
        # Checker failed
 
154
        if not self.last_checker_failed:
 
155
            self.last_checker_failed = True
 
156
            self._update_timer_callback_tag = (gobject.timeout_add
 
157
                                               (1000,
 
158
                                                self.update_timer))
186
159
        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)))
 
160
            self.logger(u'Checker for client %s (command "%s")'
 
161
                        u' failed with exit code %s'
 
162
                        % (self.properties[u"name"], command,
 
163
                           os.WEXITSTATUS(condition)))
191
164
        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)))
 
165
            self.logger(u'Checker for client %s (command "%s")'
 
166
                        u' was killed by signal %s'
 
167
                        % (self.properties[u"name"], command,
 
168
                           os.WTERMSIG(condition)))
196
169
        elif os.WCOREDUMP(condition):
197
 
            self.logger('Checker for client {0} (command "{1}")'
198
 
                        ' dumped core'
199
 
                        .format(self.properties["Name"], command))
 
170
            self.logger(u'Checker for client %s (command "%s")'
 
171
                        u' dumped core'
 
172
                        % (self.properties[u"name"], command))
200
173
        else:
201
 
            self.logger('Checker for client {0} completed'
202
 
                        ' mysteriously'
203
 
                        .format(self.properties["Name"]))
 
174
            self.logger(u'Checker for client %s completed mysteriously')
204
175
        self.update()
205
176
    
206
177
    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
 
178
        self.logger(u'Client %s started checker "%s"'
 
179
                    % (self.properties[u"name"], unicode(command)))
213
180
    
214
181
    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))
 
182
        self.logger(u'Client %s received its secret'
 
183
                    % self.properties[u"name"])
 
184
    
 
185
    def rejected(self):
 
186
        self.logger(u'Client %s was rejected'
 
187
                    % self.properties[u"name"])
229
188
    
230
189
    def selectable(self):
231
190
        """Make this a "selectable" widget.
232
191
        This overrides the method from urwid.FlowWidget."""
233
192
        return True
234
193
    
235
 
    def rows(self, maxcolrow, focus=False):
 
194
    def rows(self, (maxcol,), focus=False):
236
195
        """How many rows this widget will occupy might depend on
237
196
        whether we have focus or not.
238
197
        This overrides the method from urwid.FlowWidget"""
239
 
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
198
        return self.current_widget(focus).rows((maxcol,), focus=focus)
240
199
    
241
200
    def current_widget(self, focus=False):
242
201
        if focus or self.opened:
246
205
    def update(self):
247
206
        "Called when what is visible on the screen should be updated."
248
207
        # 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",
 
208
        with_standout = { u"normal": u"standout",
 
209
                          u"bold": u"bold-standout",
 
210
                          u"underline-blink":
 
211
                              u"underline-blink-standout",
 
212
                          u"bold-underline-blink":
 
213
                              u"bold-underline-blink-standout",
255
214
                          }
256
215
        
257
216
        # 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
 
        
 
217
        self._text = (u'%(name)s: %(enabled)s%(timer)s'
 
218
                      % { u"name": self.properties[u"name"],
 
219
                          u"enabled":
 
220
                              (u"enabled"
 
221
                               if self.properties[u"enabled"]
 
222
                               else u"DISABLED"),
 
223
                          u"timer": (unicode(datetime.timedelta
 
224
                                             (milliseconds =
 
225
                                              self.properties
 
226
                                              [u"timeout"])
 
227
                                             - (datetime.datetime
 
228
                                                .utcnow()
 
229
                                                - isoformat_to_datetime
 
230
                                                (max((self.properties
 
231
                                                 ["last_checked_ok"]
 
232
                                                 or
 
233
                                                 self.properties
 
234
                                                 ["created"]),
 
235
                                                    self.properties[u"last_enabled"]))))
 
236
                                     if (self.last_checker_failed
 
237
                                         and self.properties
 
238
                                         [u"enabled"])
 
239
                                     else u"")})
301
240
        if not urwid.supports_unicode():
302
241
            self._text = self._text.encode("ascii", "replace")
303
 
        textlist = [("normal", self._text)]
 
242
        textlist = [(u"normal", self._text)]
304
243
        self._text_widget.set_text(textlist)
305
244
        self._focus_text_widget.set_text([(with_standout[text[0]],
306
245
                                           text[1])
315
254
            self.update_hook()
316
255
    
317
256
    def update_timer(self):
318
 
        """called by gobject. Will indefinitely loop until
319
 
        gobject.source_remove() on tag is called"""
 
257
        "called by gobject"
320
258
        self.update()
321
259
        return True             # Keep calling this
322
260
    
323
 
    def delete(self, **kwargs):
 
261
    def delete(self):
324
262
        if self._update_timer_callback_tag is not None:
325
263
            gobject.source_remove(self._update_timer_callback_tag)
326
264
            self._update_timer_callback_tag = None
327
 
        for match in self.match_objects:
328
 
            match.remove()
329
 
        self.match_objects = ()
330
265
        if self.delete_hook is not None:
331
266
            self.delete_hook(self)
332
 
        return super(MandosClientWidget, self).delete(**kwargs)
333
267
    
334
 
    def render(self, maxcolrow, focus=False):
 
268
    def render(self, (maxcol,), focus=False):
335
269
        """Render differently if we have focus.
336
270
        This overrides the method from urwid.FlowWidget"""
337
 
        return self.current_widget(focus).render(maxcolrow,
 
271
        return self.current_widget(focus).render((maxcol,),
338
272
                                                 focus=focus)
339
273
    
340
 
    def keypress(self, maxcolrow, key):
 
274
    def keypress(self, (maxcol,), key):
341
275
        """Handle keys.
342
276
        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":
 
277
        if key == u"e" or key == u"+":
 
278
            self.proxy.Enable()
 
279
        elif key == u"d" or key == u"-":
 
280
            self.proxy.Disable()
 
281
        elif key == u"r" or key == u"_" or key == u"ctrl k":
358
282
            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)
 
283
                                                  .object_path)
 
284
        elif key == u"s":
 
285
            self.proxy.StartChecker()
 
286
        elif key == u"S":
 
287
            self.proxy.StopChecker()
 
288
        elif key == u"C":
 
289
            self.proxy.CheckedOK()
370
290
        # xxx
371
 
#         elif key == "p" or key == "=":
 
291
#         elif key == u"p" or key == "=":
372
292
#             self.proxy.pause()
373
 
#         elif key == "u" or key == ":":
 
293
#         elif key == u"u" or key == ":":
374
294
#             self.proxy.unpause()
375
 
#         elif key == "RET":
 
295
#         elif key == u"RET":
376
296
#             self.open()
377
297
        else:
378
298
            return key
379
299
    
380
 
    def property_changed(self, property=None, **kwargs):
 
300
    def property_changed(self, property=None, value=None,
 
301
                         *args, **kwargs):
381
302
        """Call self.update() if old value is not new value.
382
303
        This overrides the method from MandosClientPropertyCache"""
383
 
        property_name = str(property)
 
304
        property_name = unicode(property)
384
305
        old_value = self.properties.get(property_name)
385
306
        super(MandosClientWidget, self).property_changed(
386
 
            property=property, **kwargs)
 
307
            property=property, value=value, *args, **kwargs)
387
308
        if self.properties.get(property_name) != old_value:
388
309
            self.update()
389
310
 
393
314
    "down" key presses, thus not allowing any containing widgets to
394
315
    use them as an excuse to shift focus away from this widget.
395
316
    """
396
 
    def keypress(self, *args, **kwargs):
397
 
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
398
 
        if ret in ("up", "down"):
 
317
    def keypress(self, (maxcol, maxrow), key):
 
318
        ret = super(ConstrainedListBox, self).keypress((maxcol, maxrow), key)
 
319
        if ret in (u"up", u"down"):
399
320
            return
400
321
        return ret
401
322
 
410
331
        self.screen = urwid.curses_display.Screen()
411
332
        
412
333
        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"),
 
334
                (u"normal",
 
335
                 u"default", u"default", None),
 
336
                (u"bold",
 
337
                 u"default", u"default", u"bold"),
 
338
                (u"underline-blink",
 
339
                 u"default", u"default", u"underline"),
 
340
                (u"standout",
 
341
                 u"default", u"default", u"standout"),
 
342
                (u"bold-underline-blink",
 
343
                 u"default", u"default", (u"bold", u"underline")),
 
344
                (u"bold-standout",
 
345
                 u"default", u"default", (u"bold", u"standout")),
 
346
                (u"underline-blink-standout",
 
347
                 u"default", u"default", (u"underline", u"standout")),
 
348
                (u"bold-underline-blink-standout",
 
349
                 u"default", u"default", (u"bold", u"underline",
 
350
                                          u"standout")),
431
351
                ))
432
352
        
433
353
        if urwid.supports_unicode():
434
 
            self.divider = "─" # \u2500
435
 
            #self.divider = "━" # \u2501
 
354
            self.divider = u"─" # \u2500
 
355
            #self.divider = u"━" # \u2501
436
356
        else:
437
 
            #self.divider = "-" # \u002d
438
 
            self.divider = "_" # \u005f
 
357
            #self.divider = u"-" # \u002d
 
358
            self.divider = u"_" # \u005f
439
359
        
440
360
        self.screen.start()
441
361
        
455
375
        # This keeps track of whether self.uilist currently has
456
376
        # self.logbox in it or not
457
377
        self.log_visible = True
458
 
        self.log_wrap = "any"
 
378
        self.log_wrap = u"any"
459
379
        
460
380
        self.rebuild()
461
 
        self.log_message_raw(("bold",
462
 
                              "Mandos Monitor version " + version))
463
 
        self.log_message_raw(("bold",
464
 
                              "q: Quit  ?: Help"))
 
381
        self.log_message_raw((u"bold",
 
382
                              u"Mandos Monitor version " + version))
 
383
        self.log_message_raw((u"bold",
 
384
                              u"q: Quit  ?: Help"))
465
385
        
466
386
        self.busname = domain + '.Mandos'
467
387
        self.main_loop = gobject.MainLoop()
 
388
        self.bus = dbus.SystemBus()
 
389
        mandos_dbus_objc = self.bus.get_object(
 
390
            self.busname, u"/", follow_name_owner_changes=True)
 
391
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
392
                                          dbus_interface
 
393
                                          = server_interface)
 
394
        try:
 
395
            mandos_clients = (self.mandos_serv
 
396
                              .GetAllClientsWithProperties())
 
397
        except dbus.exceptions.DBusException:
 
398
            mandos_clients = dbus.Dictionary()
 
399
        
 
400
        (self.mandos_serv
 
401
         .connect_to_signal(u"ClientRemoved",
 
402
                            self.find_and_remove_client,
 
403
                            dbus_interface=server_interface,
 
404
                            byte_arrays=True))
 
405
        (self.mandos_serv
 
406
         .connect_to_signal(u"ClientAdded",
 
407
                            self.add_new_client,
 
408
                            dbus_interface=server_interface,
 
409
                            byte_arrays=True))
 
410
        (self.mandos_serv
 
411
         .connect_to_signal(u"ClientNotFound",
 
412
                            self.client_not_found,
 
413
                            dbus_interface=server_interface,
 
414
                            byte_arrays=True))
 
415
        for path, client in mandos_clients.iteritems():
 
416
            client_proxy_object = self.bus.get_object(self.busname,
 
417
                                                      path)
 
418
            self.add_client(MandosClientWidget(server_proxy_object
 
419
                                               =self.mandos_serv,
 
420
                                               proxy_object
 
421
                                               =client_proxy_object,
 
422
                                               properties=client,
 
423
                                               update_hook
 
424
                                               =self.refresh,
 
425
                                               delete_hook
 
426
                                               =self.remove_client,
 
427
                                               logger
 
428
                                               =self.log_message),
 
429
                            path=path)
468
430
    
469
431
    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))
 
432
        self.log_message((u"Client with address %s and fingerprint %s"
 
433
                          u" could not be found" % (address,
 
434
                                                    fingerprint)))
473
435
    
474
436
    def rebuild(self):
475
437
        """This rebuilds the User Interface.
476
438
        Call this when the widget layout needs to change"""
477
439
        self.uilist = []
478
440
        #self.uilist.append(urwid.ListBox(self.clients))
479
 
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
480
 
                                                          clients),
 
441
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
481
442
                                       #header=urwid.Divider(),
482
443
                                       header=None,
483
 
                                       footer=
484
 
                                       urwid.Divider(div_char=
485
 
                                                     self.divider)))
 
444
                                       footer=urwid.Divider(div_char=self.divider)))
486
445
        if self.log_visible:
487
446
            self.uilist.append(self.logbox)
 
447
            pass
488
448
        self.topwidget = urwid.Pile(self.uilist)
489
449
    
490
450
    def log_message(self, message):
491
 
        """Log message formatted with timestamp"""
492
451
        timestamp = datetime.datetime.now().isoformat()
493
 
        self.log_message_raw(timestamp + ": " + message)
 
452
        self.log_message_raw(timestamp + u": " + message)
494
453
    
495
454
    def log_message_raw(self, markup):
496
455
        """Add a log message to the log buffer."""
499
458
            and len(self.log) > self.max_log_length):
500
459
            del self.log[0:len(self.log)-self.max_log_length-1]
501
460
        self.logbox.set_focus(len(self.logbox.body.contents),
502
 
                              coming_from="above")
 
461
                              coming_from=u"above")
503
462
        self.refresh()
504
463
    
505
464
    def toggle_log_display(self):
506
465
        """Toggle visibility of the log buffer."""
507
466
        self.log_visible = not self.log_visible
508
467
        self.rebuild()
509
 
        #self.log_message("Log visibility changed to: "
510
 
        #                 + str(self.log_visible))
 
468
        self.log_message(u"Log visibility changed to: "
 
469
                         + unicode(self.log_visible))
511
470
    
512
471
    def change_log_display(self):
513
472
        """Change type of log display.
514
473
        Currently, this toggles wrapping of text lines."""
515
 
        if self.log_wrap == "clip":
516
 
            self.log_wrap = "any"
 
474
        if self.log_wrap == u"clip":
 
475
            self.log_wrap = u"any"
517
476
        else:
518
 
            self.log_wrap = "clip"
 
477
            self.log_wrap = u"clip"
519
478
        for textwidget in self.log:
520
479
            textwidget.set_wrap_mode(self.log_wrap)
521
 
        #self.log_message("Wrap mode: " + self.log_wrap)
 
480
        self.log_message(u"Wrap mode: " + self.log_wrap)
522
481
    
523
482
    def find_and_remove_client(self, path, name):
524
 
        """Find a client by its object path and remove it.
 
483
        """Find an client from its object path and remove it.
525
484
        
526
485
        This is connected to the ClientRemoved signal from the
527
486
        Mandos server object."""
529
488
            client = self.clients_dict[path]
530
489
        except KeyError:
531
490
            # not found?
532
 
            self.log_message("Unknown client {0!r} ({1!r}) removed"
533
 
                             .format(name, path))
534
491
            return
535
 
        client.delete()
 
492
        self.remove_client(client, path)
536
493
    
537
494
    def add_new_client(self, path):
538
495
        client_proxy_object = self.bus.get_object(self.busname, path)
553
510
        if path is None:
554
511
            path = client.proxy.object_path
555
512
        self.clients_dict[path] = client
556
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
513
        self.clients.sort(None, lambda c: c.properties[u"name"])
557
514
        self.refresh()
558
515
    
559
516
    def remove_client(self, client, path=None):
561
518
        if path is None:
562
519
            path = client.proxy.object_path
563
520
        del self.clients_dict[path]
 
521
        if not self.clients_dict:
 
522
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
523
            # is completely emptied, we need to recreate it.
 
524
            self.clients = urwid.SimpleListWalker([])
 
525
            self.rebuild()
564
526
        self.refresh()
565
527
    
566
528
    def refresh(self):
570
532
    
571
533
    def run(self):
572
534
        """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
535
        self.refresh()
620
536
        self._input_callback_tag = (gobject.io_add_watch
621
537
                                    (sys.stdin.fileno(),
631
547
    
632
548
    def process_input(self, source, condition):
633
549
        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
 
550
        translations = { u"ctrl n": u"down",      # Emacs
 
551
                         u"ctrl p": u"up",        # Emacs
 
552
                         u"ctrl v": u"page down", # Emacs
 
553
                         u"meta v": u"page up",   # Emacs
 
554
                         u" ": u"page down",      # less
 
555
                         u"f": u"page down",      # less
 
556
                         u"b": u"page up",        # less
 
557
                         u"j": u"down",           # vi
 
558
                         u"k": u"up",             # vi
643
559
                         }
644
560
        for key in keys:
645
561
            try:
647
563
            except KeyError:    # :-)
648
564
                pass
649
565
            
650
 
            if key == "q" or key == "Q":
 
566
            if key == u"q" or key == u"Q":
651
567
                self.stop()
652
568
                break
653
 
            elif key == "window resize":
 
569
            elif key == u"window resize":
654
570
                self.size = self.screen.get_cols_rows()
655
571
                self.refresh()
656
 
            elif key == "\f":  # Ctrl-L
 
572
            elif key == u"\f":  # Ctrl-L
657
573
                self.refresh()
658
 
            elif key == "l" or key == "D":
 
574
            elif key == u"l" or key == u"D":
659
575
                self.toggle_log_display()
660
576
                self.refresh()
661
 
            elif key == "w" or key == "i":
 
577
            elif key == u"w" or key == u"i":
662
578
                self.change_log_display()
663
579
                self.refresh()
664
 
            elif key == "?" or key == "f1" or key == "esc":
 
580
            elif key == u"?" or key == u"f1" or key == u"esc":
665
581
                if not self.log_visible:
666
582
                    self.log_visible = True
667
583
                    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"))))
 
584
                self.log_message_raw((u"bold",
 
585
                                      u"  ".
 
586
                                      join((u"q: Quit",
 
587
                                            u"?: Help",
 
588
                                            u"l: Log window toggle",
 
589
                                            u"TAB: Switch window",
 
590
                                            u"w: Wrap (log)"))))
 
591
                self.log_message_raw((u"bold",
 
592
                                      u"  "
 
593
                                      .join((u"Clients:",
 
594
                                             u"e: Enable",
 
595
                                             u"d: Disable",
 
596
                                             u"r: Remove",
 
597
                                             u"s: Start new checker",
 
598
                                             u"S: Stop checker",
 
599
                                             u"C: Checker OK"))))
686
600
                self.refresh()
687
 
            elif key == "tab":
 
601
            elif key == u"tab":
688
602
                if self.topwidget.get_focus() is self.logbox:
689
603
                    self.topwidget.set_focus(0)
690
604
                else:
691
605
                    self.topwidget.set_focus(self.logbox)
692
606
                self.refresh()
693
 
            #elif (key == "end" or key == "meta >" or key == "G"
694
 
            #      or key == ">"):
 
607
            #elif (key == u"end" or key == u"meta >" or key == u"G"
 
608
            #      or key == u">"):
695
609
            #    pass            # xxx end-of-buffer
696
 
            #elif (key == "home" or key == "meta <" or key == "g"
697
 
            #      or key == "<"):
 
610
            #elif (key == u"home" or key == u"meta <" or key == u"g"
 
611
            #      or key == u"<"):
698
612
            #    pass            # xxx beginning-of-buffer
699
 
            #elif key == "ctrl e" or key == "$":
 
613
            #elif key == u"ctrl e" or key == u"$":
700
614
            #    pass            # xxx move-end-of-line
701
 
            #elif key == "ctrl a" or key == "^":
 
615
            #elif key == u"ctrl a" or key == u"^":
702
616
            #    pass            # xxx move-beginning-of-line
703
 
            #elif key == "ctrl b" or key == "meta (" or key == "h":
 
617
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
704
618
            #    pass            # xxx left
705
 
            #elif key == "ctrl f" or key == "meta )" or key == "l":
 
619
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
706
620
            #    pass            # xxx right
707
 
            #elif key == "a":
 
621
            #elif key == u"a":
708
622
            #    pass            # scroll up log
709
 
            #elif key == "z":
 
623
            #elif key == u"z":
710
624
            #    pass            # scroll down log
711
625
            elif self.topwidget.selectable():
712
626
                self.topwidget.keypress(self.size, key)
716
630
ui = UserInterface()
717
631
try:
718
632
    ui.run()
719
 
except KeyboardInterrupt:
720
 
    ui.screen.stop()
721
 
except Exception as e:
722
 
    ui.log_message(str(e))
 
633
except Exception, e:
 
634
    ui.log_message(unicode(e))
723
635
    ui.screen.stop()
724
636
    raise