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  • Committer: Teddy Hogeborn
  • Date: 2009-11-15 10:12:09 UTC
  • Revision ID: teddy@fukt.bsnet.se-20091115101209-d0zrfwkp6u0l7v7b
* mandos (MandosServer.handle_ipc): Better log message.
  (main/MandosDBusService.ClientNotFound): Add "address" argument.
                                           All callers changed.
* mandos-monitor (MandosClientWidget.__init__): Add "logger" argument.
  (MandosClientWidget.checker_completed,
  MandosClientWidget.checker_started, MandosClientWidget.got_secret,
  MandosClientWidget.rejected): New methods, connected to signals.
  (MandosClientWidget.update): Improve display.
  (UserInterface.client_not_found): New method, conneced to signal.
  (UserInterface.log_message): New; log with timestamp.
  (UserInterface.log_message_raw): Same as old "log_message".  Bug
                                  fix; always do "refresh()".

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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 © 2009-2014 Teddy Hogeborn
7
 
# Copyright © 2009-2014 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
 
8
import signal
35
9
 
36
10
import datetime
37
11
 
39
13
import urwid
40
14
 
41
15
from dbus.mainloop.glib import DBusGMainLoop
42
 
try:
43
 
    import gobject
44
 
except ImportError:
45
 
    from gi.repository import GObject as gobject
 
16
import gobject
46
17
 
47
18
import dbus
48
19
 
49
 
import locale
50
 
 
51
 
if sys.version_info[0] == 2:
52
 
    str = unicode
53
 
 
54
 
locale.setlocale(locale.LC_ALL, '')
55
 
 
56
 
import logging
57
 
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
 
20
import UserList
58
21
 
59
22
# Some useful constants
60
 
domain = 'se.recompile'
 
23
domain = 'se.bsnet.fukt'
61
24
server_interface = domain + '.Mandos'
62
25
client_interface = domain + '.Mandos.Client'
63
 
version = "1.6.6"
64
 
 
65
 
def isoformat_to_datetime(iso):
66
 
    "Parse an ISO 8601 date string to a datetime.datetime()"
67
 
    if not iso:
68
 
        return None
69
 
    d, t = iso.split("T", 1)
70
 
    year, month, day = d.split("-", 2)
71
 
    hour, minute, second = t.split(":", 2)
72
 
    second, fraction = divmod(float(second), 1)
73
 
    return datetime.datetime(int(year),
74
 
                             int(month),
75
 
                             int(day),
76
 
                             int(hour),
77
 
                             int(minute),
78
 
                             int(second),           # Whole seconds
79
 
                             int(fraction*1000000)) # Microseconds
 
26
version = "1.0.14"
 
27
 
 
28
# Always run in monochrome mode
 
29
urwid.curses_display.curses.has_colors = lambda : False
 
30
 
 
31
# Urwid doesn't support blinking, but we want it.  Since we have no
 
32
# use for underline on its own, we make underline also always blink.
 
33
urwid.curses_display.curses.A_UNDERLINE |= (
 
34
    urwid.curses_display.curses.A_BLINK)
80
35
 
81
36
class MandosClientPropertyCache(object):
82
37
    """This wraps a Mandos Client D-Bus proxy object, caches the
83
38
    properties and calls a hook function when any of them are
84
39
    changed.
85
40
    """
86
 
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
41
    def __init__(self, proxy_object=None, properties=None, *args,
 
42
                 **kwargs):
87
43
        self.proxy = proxy_object # Mandos Client proxy object
88
 
        self.properties = dict() if properties is None else properties
89
 
        self.property_changed_match = (
90
 
            self.proxy.connect_to_signal("PropertyChanged",
91
 
                                         self._property_changed,
92
 
                                         client_interface,
93
 
                                         byte_arrays=True))
94
 
        
95
 
        if properties is None:
96
 
            self.properties.update(
97
 
                self.proxy.GetAll(client_interface,
98
 
                                  dbus_interface
99
 
                                  = dbus.PROPERTIES_IFACE))
100
 
        
101
 
        super(MandosClientPropertyCache, self).__init__(**kwargs)
102
 
    
103
 
    def _property_changed(self, property, value):
104
 
        """Helper which takes positional arguments"""
105
 
        return self.property_changed(property=property, value=value)
 
44
        
 
45
        if properties is None:
 
46
            self.properties = dict()
 
47
        else:
 
48
            self.properties = properties
 
49
        self.proxy.connect_to_signal(u"PropertyChanged",
 
50
                                     self.property_changed,
 
51
                                     client_interface,
 
52
                                     byte_arrays=True)
 
53
        
 
54
        if properties is None:
 
55
            self.properties.update(self.proxy.GetAll(client_interface,
 
56
                                                     dbus_interface =
 
57
                                                     dbus.PROPERTIES_IFACE))
 
58
        super(MandosClientPropertyCache, self).__init__(
 
59
            proxy_object=proxy_object,
 
60
            properties=properties, *args, **kwargs)
106
61
    
107
62
    def property_changed(self, property=None, value=None):
108
63
        """This is called whenever we get a PropertyChanged signal
110
65
        """
111
66
        # Update properties dict with new value
112
67
        self.properties[property] = value
113
 
    
114
 
    def delete(self):
115
 
        self.property_changed_match.remove()
116
68
 
117
69
 
118
70
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
120
72
    """
121
73
    
122
74
    def __init__(self, server_proxy_object=None, update_hook=None,
123
 
                 delete_hook=None, logger=None, **kwargs):
 
75
                 delete_hook=None, logger=None, *args, **kwargs):
124
76
        # Called on update
125
77
        self.update_hook = update_hook
126
78
        # Called on delete
130
82
        # Logger
131
83
        self.logger = logger
132
84
        
133
 
        self._update_timer_callback_tag = None
134
 
        
135
85
        # The widget shown normally
136
 
        self._text_widget = urwid.Text("")
 
86
        self._text_widget = urwid.Text(u"")
137
87
        # The widget shown when we have focus
138
 
        self._focus_text_widget = urwid.Text("")
139
 
        super(MandosClientWidget, self).__init__(**kwargs)
 
88
        self._focus_text_widget = urwid.Text(u"")
 
89
        super(MandosClientWidget, self).__init__(
 
90
            update_hook=update_hook, delete_hook=delete_hook,
 
91
            *args, **kwargs)
140
92
        self.update()
141
93
        self.opened = False
142
 
        
143
 
        self.match_objects = (
144
 
            self.proxy.connect_to_signal("CheckerCompleted",
145
 
                                         self.checker_completed,
146
 
                                         client_interface,
147
 
                                         byte_arrays=True),
148
 
            self.proxy.connect_to_signal("CheckerStarted",
149
 
                                         self.checker_started,
150
 
                                         client_interface,
151
 
                                         byte_arrays=True),
152
 
            self.proxy.connect_to_signal("GotSecret",
153
 
                                         self.got_secret,
154
 
                                         client_interface,
155
 
                                         byte_arrays=True),
156
 
            self.proxy.connect_to_signal("NeedApproval",
157
 
                                         self.need_approval,
158
 
                                         client_interface,
159
 
                                         byte_arrays=True),
160
 
            self.proxy.connect_to_signal("Rejected",
161
 
                                         self.rejected,
162
 
                                         client_interface,
163
 
                                         byte_arrays=True))
164
 
        self.logger('Created client {0}'
165
 
                    .format(self.properties["Name"]), level=0)
166
 
    
167
 
    def using_timer(self, flag):
168
 
        """Call this method with True or False when timer should be
169
 
        activated or deactivated.
170
 
        """
171
 
        if flag and self._update_timer_callback_tag is None:
172
 
            # Will update the shown timer value every second
173
 
            self._update_timer_callback_tag = (gobject.timeout_add
174
 
                                               (1000,
175
 
                                                self.update_timer))
176
 
        elif not (flag or self._update_timer_callback_tag is None):
177
 
            gobject.source_remove(self._update_timer_callback_tag)
178
 
            self._update_timer_callback_tag = None
 
94
        self.proxy.connect_to_signal(u"CheckerCompleted",
 
95
                                     self.checker_completed,
 
96
                                     client_interface,
 
97
                                     byte_arrays=True)
 
98
        self.proxy.connect_to_signal(u"CheckerStarted",
 
99
                                     self.checker_started,
 
100
                                     client_interface,
 
101
                                     byte_arrays=True)
 
102
        self.proxy.connect_to_signal(u"GotSecret",
 
103
                                     self.got_secret,
 
104
                                     client_interface,
 
105
                                     byte_arrays=True)
 
106
        self.proxy.connect_to_signal(u"Rejected",
 
107
                                     self.rejected,
 
108
                                     client_interface,
 
109
                                     byte_arrays=True)
179
110
    
180
111
    def checker_completed(self, exitstatus, condition, command):
181
112
        if exitstatus == 0:
182
 
            self.logger('Checker for client {0} (command "{1}")'
183
 
                        ' succeeded'.format(self.properties["Name"],
184
 
                                            command), level=0)
185
 
            self.update()
 
113
            self.logger(u'Checker for client %s (command "%s")'
 
114
                        u' was successful'
 
115
                        % (self.properties[u"name"], command))
186
116
            return
187
 
        # Checker failed
188
117
        if os.WIFEXITED(condition):
189
 
            self.logger('Checker for client {0} (command "{1}")'
190
 
                        ' failed with exit code {2}'
191
 
                        .format(self.properties["Name"], command,
192
 
                                os.WEXITSTATUS(condition)))
193
 
        elif os.WIFSIGNALED(condition):
194
 
            self.logger('Checker for client {0} (command "{1}") was'
195
 
                        ' killed by signal {2}'
196
 
                        .format(self.properties["Name"], command,
197
 
                                os.WTERMSIG(condition)))
198
 
        elif os.WCOREDUMP(condition):
199
 
            self.logger('Checker for client {0} (command "{1}")'
200
 
                        ' dumped core'
201
 
                        .format(self.properties["Name"], command))
202
 
        else:
203
 
            self.logger('Checker for client {0} completed'
204
 
                        ' mysteriously'
205
 
                        .format(self.properties["Name"]))
206
 
        self.update()
 
118
            self.logger(u'Checker for client %s (command "%s")'
 
119
                        u' failed with exit code %s'
 
120
                        % (self.properties[u"name"], command,
 
121
                           os.WEXITSTATUS(condition)))
 
122
            return
 
123
        if os.WIFSIGNALED(condition):
 
124
            self.logger(u'Checker for client %s (command "%s")'
 
125
                        u' was killed by signal %s'
 
126
                        % (self.properties[u"name"], command,
 
127
                           os.WTERMSIG(condition)))
 
128
            return
 
129
        if os.WCOREDUMP(condition):
 
130
            self.logger(u'Checker for client %s (command "%s")'
 
131
                        u' dumped core'
 
132
                        % (self.properties[u"name"], command))
 
133
        self.logger(u'Checker for client %s completed mysteriously')
207
134
    
208
135
    def checker_started(self, command):
209
 
        """Server signals that a checker started."""
210
 
        self.logger('Client {0} started checker "{1}"'
211
 
                    .format(self.properties["Name"],
212
 
                            command), level=0)
 
136
        self.logger(u'Client %s started checker "%s"'
 
137
                    % (self.properties[u"name"], unicode(command)))
213
138
    
214
139
    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))
 
140
        self.logger(u'Client %s received its secret'
 
141
                    % self.properties[u"name"])
 
142
    
 
143
    def rejected(self):
 
144
        self.logger(u'Client %s was rejected'
 
145
                    % self.properties[u"name"])
229
146
    
230
147
    def selectable(self):
231
148
        """Make this a "selectable" widget.
232
149
        This overrides the method from urwid.FlowWidget."""
233
150
        return True
234
151
    
235
 
    def rows(self, maxcolrow, focus=False):
 
152
    def rows(self, (maxcol,), focus=False):
236
153
        """How many rows this widget will occupy might depend on
237
154
        whether we have focus or not.
238
155
        This overrides the method from urwid.FlowWidget"""
239
 
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
156
        return self.current_widget(focus).rows((maxcol,), focus=focus)
240
157
    
241
158
    def current_widget(self, focus=False):
242
159
        if focus or self.opened:
246
163
    def update(self):
247
164
        "Called when what is visible on the screen should be updated."
248
165
        # 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",
 
166
        with_standout = { u"normal": u"standout",
 
167
                          u"bold": u"bold-standout",
 
168
                          u"underline-blink":
 
169
                              u"underline-blink-standout",
 
170
                          u"bold-underline-blink":
 
171
                              u"bold-underline-blink-standout",
255
172
                          }
256
173
        
257
174
        # 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
 
        
 
175
        self._text = (u'%(name)s: %(enabled)s'
 
176
                      % { u"name": self.properties[u"name"],
 
177
                          u"enabled":
 
178
                              (u"enabled"
 
179
                               if self.properties[u"enabled"]
 
180
                               else u"DISABLED")})
301
181
        if not urwid.supports_unicode():
302
182
            self._text = self._text.encode("ascii", "replace")
303
 
        textlist = [("normal", self._text)]
 
183
        textlist = [(u"normal", self._text)]
304
184
        self._text_widget.set_text(textlist)
305
185
        self._focus_text_widget.set_text([(with_standout[text[0]],
306
186
                                           text[1])
314
194
        if self.update_hook is not None:
315
195
            self.update_hook()
316
196
    
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 = ()
 
197
    def delete(self):
330
198
        if self.delete_hook is not None:
331
199
            self.delete_hook(self)
332
 
        return super(MandosClientWidget, self).delete(**kwargs)
333
200
    
334
 
    def render(self, maxcolrow, focus=False):
 
201
    def render(self, (maxcol,), focus=False):
335
202
        """Render differently if we have focus.
336
203
        This overrides the method from urwid.FlowWidget"""
337
 
        return self.current_widget(focus).render(maxcolrow,
 
204
        return self.current_widget(focus).render((maxcol,),
338
205
                                                 focus=focus)
339
206
    
340
 
    def keypress(self, maxcolrow, key):
 
207
    def keypress(self, (maxcol,), key):
341
208
        """Handle keys.
342
209
        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":
 
210
        if key == u"e" or key == u"+":
 
211
            self.proxy.Enable()
 
212
        elif key == u"d" or key == u"-":
 
213
            self.proxy.Disable()
 
214
        elif key == u"r" or key == u"_" or key == u"ctrl k":
358
215
            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)
 
216
                                                  .object_path)
 
217
        elif key == u"s":
 
218
            self.proxy.StartChecker()
 
219
        elif key == u"S":
 
220
            self.proxy.StopChecker()
 
221
        elif key == u"C":
 
222
            self.proxy.CheckedOK()
370
223
        # xxx
371
 
#         elif key == "p" or key == "=":
 
224
#         elif key == u"p" or key == "=":
372
225
#             self.proxy.pause()
373
 
#         elif key == "u" or key == ":":
 
226
#         elif key == u"u" or key == ":":
374
227
#             self.proxy.unpause()
375
 
#         elif key == "RET":
 
228
#         elif key == u"RET":
376
229
#             self.open()
377
230
        else:
378
231
            return key
379
232
    
380
 
    def property_changed(self, property=None, **kwargs):
 
233
    def property_changed(self, property=None, value=None,
 
234
                         *args, **kwargs):
381
235
        """Call self.update() if old value is not new value.
382
236
        This overrides the method from MandosClientPropertyCache"""
383
 
        property_name = str(property)
 
237
        property_name = unicode(property)
384
238
        old_value = self.properties.get(property_name)
385
239
        super(MandosClientWidget, self).property_changed(
386
 
            property=property, **kwargs)
 
240
            property=property, value=value, *args, **kwargs)
387
241
        if self.properties.get(property_name) != old_value:
388
242
            self.update()
389
243
 
393
247
    "down" key presses, thus not allowing any containing widgets to
394
248
    use them as an excuse to shift focus away from this widget.
395
249
    """
396
 
    def keypress(self, *args, **kwargs):
397
 
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
398
 
        if ret in ("up", "down"):
 
250
    def keypress(self, (maxcol, maxrow), key):
 
251
        ret = super(ConstrainedListBox, self).keypress((maxcol, maxrow), key)
 
252
        if ret in (u"up", u"down"):
399
253
            return
400
254
        return ret
401
255
 
404
258
    """This is the entire user interface - the whole screen
405
259
    with boxes, lists of client widgets, etc.
406
260
    """
407
 
    def __init__(self, max_log_length=1000, log_level=1):
 
261
    def __init__(self, max_log_length=1000):
408
262
        DBusGMainLoop(set_as_default=True)
409
263
        
410
264
        self.screen = urwid.curses_display.Screen()
411
265
        
412
266
        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"),
 
267
                (u"normal",
 
268
                 u"default", u"default", None),
 
269
                (u"bold",
 
270
                 u"default", u"default", u"bold"),
 
271
                (u"underline-blink",
 
272
                 u"default", u"default", u"underline"),
 
273
                (u"standout",
 
274
                 u"default", u"default", u"standout"),
 
275
                (u"bold-underline-blink",
 
276
                 u"default", u"default", (u"bold", u"underline")),
 
277
                (u"bold-standout",
 
278
                 u"default", u"default", (u"bold", u"standout")),
 
279
                (u"underline-blink-standout",
 
280
                 u"default", u"default", (u"underline", u"standout")),
 
281
                (u"bold-underline-blink-standout",
 
282
                 u"default", u"default", (u"bold", u"underline",
 
283
                                          u"standout")),
431
284
                ))
432
285
        
433
286
        if urwid.supports_unicode():
434
 
            self.divider = "─" # \u2500
435
 
            #self.divider = "━" # \u2501
 
287
            self.divider = u"─" # \u2500
 
288
            #self.divider = u"━" # \u2501
436
289
        else:
437
 
            #self.divider = "-" # \u002d
438
 
            self.divider = "_" # \u005f
 
290
            #self.divider = u"-" # \u002d
 
291
            self.divider = u"_" # \u005f
439
292
        
440
293
        self.screen.start()
441
294
        
448
301
        self.log = []
449
302
        self.max_log_length = max_log_length
450
303
        
451
 
        self.log_level = log_level
452
 
        
453
304
        # We keep a reference to the log widget so we can remove it
454
305
        # from the ListWalker without it getting destroyed
455
306
        self.logbox = ConstrainedListBox(self.log)
457
308
        # This keeps track of whether self.uilist currently has
458
309
        # self.logbox in it or not
459
310
        self.log_visible = True
460
 
        self.log_wrap = "any"
 
311
        self.log_wrap = u"any"
461
312
        
462
313
        self.rebuild()
463
 
        self.log_message_raw(("bold",
464
 
                              "Mandos Monitor version " + version))
465
 
        self.log_message_raw(("bold",
466
 
                              "q: Quit  ?: Help"))
 
314
        self.log_message_raw((u"bold",
 
315
                              u"Mandos Monitor version " + version))
 
316
        self.log_message_raw((u"bold",
 
317
                              u"q: Quit  ?: Help"))
467
318
        
468
319
        self.busname = domain + '.Mandos'
469
320
        self.main_loop = gobject.MainLoop()
 
321
        self.bus = dbus.SystemBus()
 
322
        mandos_dbus_objc = self.bus.get_object(
 
323
            self.busname, u"/", follow_name_owner_changes=True)
 
324
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
325
                                          dbus_interface
 
326
                                          = server_interface)
 
327
        try:
 
328
            mandos_clients = (self.mandos_serv
 
329
                              .GetAllClientsWithProperties())
 
330
        except dbus.exceptions.DBusException:
 
331
            mandos_clients = dbus.Dictionary()
 
332
        
 
333
        (self.mandos_serv
 
334
         .connect_to_signal(u"ClientRemoved",
 
335
                            self.find_and_remove_client,
 
336
                            dbus_interface=server_interface,
 
337
                            byte_arrays=True))
 
338
        (self.mandos_serv
 
339
         .connect_to_signal(u"ClientAdded",
 
340
                            self.add_new_client,
 
341
                            dbus_interface=server_interface,
 
342
                            byte_arrays=True))
 
343
        (self.mandos_serv
 
344
         .connect_to_signal(u"ClientNotFound",
 
345
                            self.client_not_found,
 
346
                            dbus_interface=server_interface,
 
347
                            byte_arrays=True))
 
348
        for path, client in mandos_clients.iteritems():
 
349
            client_proxy_object = self.bus.get_object(self.busname,
 
350
                                                      path)
 
351
            self.add_client(MandosClientWidget(server_proxy_object
 
352
                                               =self.mandos_serv,
 
353
                                               proxy_object
 
354
                                               =client_proxy_object,
 
355
                                               properties=client,
 
356
                                               update_hook
 
357
                                               =self.refresh,
 
358
                                               delete_hook
 
359
                                               =self.remove_client,
 
360
                                               logger
 
361
                                               =self.log_message),
 
362
                            path=path)
470
363
    
471
364
    def client_not_found(self, fingerprint, address):
472
 
        self.log_message("Client with address {0} and fingerprint"
473
 
                         " {1} could not be found"
474
 
                         .format(address, fingerprint))
 
365
        self.log_message((u"Client with address %s and fingerprint %s"
 
366
                          u" could not be found" % (address,
 
367
                                                    fingerprint)))
475
368
    
476
369
    def rebuild(self):
477
370
        """This rebuilds the User Interface.
478
371
        Call this when the widget layout needs to change"""
479
372
        self.uilist = []
480
373
        #self.uilist.append(urwid.ListBox(self.clients))
481
 
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
482
 
                                                          clients),
 
374
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
483
375
                                       #header=urwid.Divider(),
484
376
                                       header=None,
485
 
                                       footer=
486
 
                                       urwid.Divider(div_char=
487
 
                                                     self.divider)))
 
377
                                       footer=urwid.Divider(div_char=self.divider)))
488
378
        if self.log_visible:
489
379
            self.uilist.append(self.logbox)
 
380
            pass
490
381
        self.topwidget = urwid.Pile(self.uilist)
491
382
    
492
 
    def log_message(self, message, level=1):
493
 
        """Log message formatted with timestamp"""
494
 
        if level < self.log_level:
495
 
            return
 
383
    def log_message(self, message):
496
384
        timestamp = datetime.datetime.now().isoformat()
497
 
        self.log_message_raw("{0}: {1}".format(timestamp, message),
498
 
                             level=level)
 
385
        self.log_message_raw(timestamp + u": " + message)
499
386
    
500
 
    def log_message_raw(self, markup, level=1):
 
387
    def log_message_raw(self, markup):
501
388
        """Add a log message to the log buffer."""
502
 
        if level < self.log_level:
503
 
            return
504
389
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
505
390
        if (self.max_log_length
506
391
            and len(self.log) > self.max_log_length):
507
392
            del self.log[0:len(self.log)-self.max_log_length-1]
508
393
        self.logbox.set_focus(len(self.logbox.body.contents),
509
 
                              coming_from="above")
 
394
                              coming_from=u"above")
510
395
        self.refresh()
511
396
    
512
397
    def toggle_log_display(self):
513
398
        """Toggle visibility of the log buffer."""
514
399
        self.log_visible = not self.log_visible
515
400
        self.rebuild()
516
 
        self.log_message("Log visibility changed to: {0}"
517
 
                         .format(self.log_visible), level=0)
 
401
        self.log_message(u"Log visibility changed to: "
 
402
                         + unicode(self.log_visible))
518
403
    
519
404
    def change_log_display(self):
520
405
        """Change type of log display.
521
406
        Currently, this toggles wrapping of text lines."""
522
 
        if self.log_wrap == "clip":
523
 
            self.log_wrap = "any"
 
407
        if self.log_wrap == u"clip":
 
408
            self.log_wrap = u"any"
524
409
        else:
525
 
            self.log_wrap = "clip"
 
410
            self.log_wrap = u"clip"
526
411
        for textwidget in self.log:
527
412
            textwidget.set_wrap_mode(self.log_wrap)
528
 
        self.log_message("Wrap mode: {0}".format(self.log_wrap),
529
 
                         level=0)
 
413
        self.log_message(u"Wrap mode: " + self.log_wrap)
530
414
    
531
415
    def find_and_remove_client(self, path, name):
532
 
        """Find a client by its object path and remove it.
 
416
        """Find an client from its object path and remove it.
533
417
        
534
418
        This is connected to the ClientRemoved signal from the
535
419
        Mandos server object."""
537
421
            client = self.clients_dict[path]
538
422
        except KeyError:
539
423
            # not found?
540
 
            self.log_message("Unknown client {0!r} ({1!r}) removed"
541
 
                             .format(name, path))
542
424
            return
543
 
        client.delete()
 
425
        self.remove_client(client, path)
544
426
    
545
 
    def add_new_client(self, path):
 
427
    def add_new_client(self, path, properties):
546
428
        client_proxy_object = self.bus.get_object(self.busname, path)
547
429
        self.add_client(MandosClientWidget(server_proxy_object
548
430
                                           =self.mandos_serv,
549
431
                                           proxy_object
550
432
                                           =client_proxy_object,
 
433
                                           properties=properties,
551
434
                                           update_hook
552
435
                                           =self.refresh,
553
436
                                           delete_hook
554
 
                                           =self.remove_client,
555
 
                                           logger
556
 
                                           =self.log_message),
 
437
                                           =self.remove_client),
557
438
                        path=path)
558
439
    
559
440
    def add_client(self, client, path=None):
561
442
        if path is None:
562
443
            path = client.proxy.object_path
563
444
        self.clients_dict[path] = client
564
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
445
        self.clients.sort(None, lambda c: c.properties[u"name"])
565
446
        self.refresh()
566
447
    
567
448
    def remove_client(self, client, path=None):
569
450
        if path is None:
570
451
            path = client.proxy.object_path
571
452
        del self.clients_dict[path]
 
453
        if not self.clients_dict:
 
454
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
 
455
            # is completely emptied, we need to recreate it.
 
456
            self.clients = urwid.SimpleListWalker([])
 
457
            self.rebuild()
572
458
        self.refresh()
573
459
    
574
460
    def refresh(self):
578
464
    
579
465
    def run(self):
580
466
        """Start the main loop and exit when it's done."""
581
 
        self.bus = dbus.SystemBus()
582
 
        mandos_dbus_objc = self.bus.get_object(
583
 
            self.busname, "/", follow_name_owner_changes=True)
584
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
585
 
                                          dbus_interface
586
 
                                          = server_interface)
587
 
        try:
588
 
            mandos_clients = (self.mandos_serv
589
 
                              .GetAllClientsWithProperties())
590
 
            if not mandos_clients:
591
 
                self.log_message_raw(("bold", "Note: Server has no clients."))
592
 
        except dbus.exceptions.DBusException:
593
 
            self.log_message_raw(("bold", "Note: No Mandos server running."))
594
 
            mandos_clients = dbus.Dictionary()
595
 
        
596
 
        (self.mandos_serv
597
 
         .connect_to_signal("ClientRemoved",
598
 
                            self.find_and_remove_client,
599
 
                            dbus_interface=server_interface,
600
 
                            byte_arrays=True))
601
 
        (self.mandos_serv
602
 
         .connect_to_signal("ClientAdded",
603
 
                            self.add_new_client,
604
 
                            dbus_interface=server_interface,
605
 
                            byte_arrays=True))
606
 
        (self.mandos_serv
607
 
         .connect_to_signal("ClientNotFound",
608
 
                            self.client_not_found,
609
 
                            dbus_interface=server_interface,
610
 
                            byte_arrays=True))
611
 
        for path, client in mandos_clients.items():
612
 
            client_proxy_object = self.bus.get_object(self.busname,
613
 
                                                      path)
614
 
            self.add_client(MandosClientWidget(server_proxy_object
615
 
                                               =self.mandos_serv,
616
 
                                               proxy_object
617
 
                                               =client_proxy_object,
618
 
                                               properties=client,
619
 
                                               update_hook
620
 
                                               =self.refresh,
621
 
                                               delete_hook
622
 
                                               =self.remove_client,
623
 
                                               logger
624
 
                                               =self.log_message),
625
 
                            path=path)
626
 
        
627
467
        self.refresh()
628
468
        self._input_callback_tag = (gobject.io_add_watch
629
469
                                    (sys.stdin.fileno(),
639
479
    
640
480
    def process_input(self, source, condition):
641
481
        keys = self.screen.get_input()
642
 
        translations = { "ctrl n": "down",      # Emacs
643
 
                         "ctrl p": "up",        # Emacs
644
 
                         "ctrl v": "page down", # Emacs
645
 
                         "meta v": "page up",   # Emacs
646
 
                         " ": "page down",      # less
647
 
                         "f": "page down",      # less
648
 
                         "b": "page up",        # less
649
 
                         "j": "down",           # vi
650
 
                         "k": "up",             # vi
 
482
        translations = { u"ctrl n": u"down",      # Emacs
 
483
                         u"ctrl p": u"up",        # Emacs
 
484
                         u"ctrl v": u"page down", # Emacs
 
485
                         u"meta v": u"page up",   # Emacs
 
486
                         u" ": u"page down",      # less
 
487
                         u"f": u"page down",      # less
 
488
                         u"b": u"page up",        # less
 
489
                         u"j": u"down",           # vi
 
490
                         u"k": u"up",             # vi
651
491
                         }
652
492
        for key in keys:
653
493
            try:
655
495
            except KeyError:    # :-)
656
496
                pass
657
497
            
658
 
            if key == "q" or key == "Q":
 
498
            if key == u"q" or key == u"Q":
659
499
                self.stop()
660
500
                break
661
 
            elif key == "window resize":
 
501
            elif key == u"window resize":
662
502
                self.size = self.screen.get_cols_rows()
663
503
                self.refresh()
664
 
            elif key == "\f":  # Ctrl-L
 
504
            elif key == u"\f":  # Ctrl-L
665
505
                self.refresh()
666
 
            elif key == "l" or key == "D":
 
506
            elif key == u"l" or key == u"D":
667
507
                self.toggle_log_display()
668
508
                self.refresh()
669
 
            elif key == "w" or key == "i":
 
509
            elif key == u"w" or key == u"i":
670
510
                self.change_log_display()
671
511
                self.refresh()
672
 
            elif key == "?" or key == "f1" or key == "esc":
 
512
            elif key == u"?" or key == u"f1" or key == u"esc":
673
513
                if not self.log_visible:
674
514
                    self.log_visible = True
675
515
                    self.rebuild()
676
 
                self.log_message_raw(("bold",
677
 
                                      "  ".
678
 
                                      join(("q: Quit",
679
 
                                            "?: Help",
680
 
                                            "l: Log window toggle",
681
 
                                            "TAB: Switch window",
682
 
                                            "w: Wrap (log lines)",
683
 
                                            "v: Toggle verbose log",
684
 
                                            ))))
685
 
                self.log_message_raw(("bold",
686
 
                                      "  "
687
 
                                      .join(("Clients:",
688
 
                                             "+: Enable",
689
 
                                             "-: Disable",
690
 
                                             "R: Remove",
691
 
                                             "s: Start new checker",
692
 
                                             "S: Stop checker",
693
 
                                             "C: Checker OK",
694
 
                                             "a: Approve",
695
 
                                             "d: Deny"))))
 
516
                self.log_message_raw((u"bold",
 
517
                                      u"  ".
 
518
                                      join((u"q: Quit",
 
519
                                            u"?: Help",
 
520
                                            u"l: Log window toggle",
 
521
                                            u"TAB: Switch window",
 
522
                                            u"w: Wrap (log)"))))
 
523
                self.log_message_raw((u"bold",
 
524
                                      u"  "
 
525
                                      .join((u"Clients:",
 
526
                                             u"e: Enable",
 
527
                                             u"d: Disable",
 
528
                                             u"r: Remove",
 
529
                                             u"s: Start new checker",
 
530
                                             u"S: Stop checker",
 
531
                                             u"C: Checker OK"))))
696
532
                self.refresh()
697
 
            elif key == "tab":
 
533
            elif key == u"tab":
698
534
                if self.topwidget.get_focus() is self.logbox:
699
535
                    self.topwidget.set_focus(0)
700
536
                else:
701
537
                    self.topwidget.set_focus(self.logbox)
702
538
                self.refresh()
703
 
            elif key == "v":
704
 
                if self.log_level == 0:
705
 
                    self.log_level = 1
706
 
                    self.log_message("Verbose mode: Off")
707
 
                else:
708
 
                    self.log_level = 0
709
 
                    self.log_message("Verbose mode: On")
710
 
            #elif (key == "end" or key == "meta >" or key == "G"
711
 
            #      or key == ">"):
 
539
            #elif (key == u"end" or key == u"meta >" or key == u"G"
 
540
            #      or key == u">"):
712
541
            #    pass            # xxx end-of-buffer
713
 
            #elif (key == "home" or key == "meta <" or key == "g"
714
 
            #      or key == "<"):
 
542
            #elif (key == u"home" or key == u"meta <" or key == u"g"
 
543
            #      or key == u"<"):
715
544
            #    pass            # xxx beginning-of-buffer
716
 
            #elif key == "ctrl e" or key == "$":
 
545
            #elif key == u"ctrl e" or key == u"$":
717
546
            #    pass            # xxx move-end-of-line
718
 
            #elif key == "ctrl a" or key == "^":
 
547
            #elif key == u"ctrl a" or key == u"^":
719
548
            #    pass            # xxx move-beginning-of-line
720
 
            #elif key == "ctrl b" or key == "meta (" or key == "h":
 
549
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
721
550
            #    pass            # xxx left
722
 
            #elif key == "ctrl f" or key == "meta )" or key == "l":
 
551
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
723
552
            #    pass            # xxx right
724
 
            #elif key == "a":
 
553
            #elif key == u"a":
725
554
            #    pass            # scroll up log
726
 
            #elif key == "z":
 
555
            #elif key == u"z":
727
556
            #    pass            # scroll down log
728
557
            elif self.topwidget.selectable():
729
558
                self.topwidget.keypress(self.size, key)
733
562
ui = UserInterface()
734
563
try:
735
564
    ui.run()
736
 
except KeyboardInterrupt:
737
 
    ui.screen.stop()
738
 
except Exception as e:
739
 
    ui.log_message(str(e))
 
565
except:
740
566
    ui.screen.stop()
741
567
    raise