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  • Committer: Teddy Hogeborn
  • Date: 2013-06-23 15:13:06 UTC
  • Revision ID: teddy@recompile.se-20130623151306-3y4zwy76d95hcvpq
* mandos: Bug fix: Make boolean options work from the config file
          again.
          Bug fix: Make --no-ipv6 work again.
          Bug fix: Add extra magic to GnuTLS priority to make it work
          with current version of GnuTLS.
* mandos-options.xml (priority): Document new default value.
* mandos.conf (priority): - '' -
* plugins.d/mandos-client.xml (EXAMPLE): Minor grammar fix.

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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 © 2009-2012 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
# 
3
25
 
4
 
from __future__ import division, absolute_import, with_statement
 
26
from __future__ import (division, absolute_import, print_function,
 
27
                        unicode_literals)
 
28
try:
 
29
    from future_builtins import *
 
30
except ImportError:
 
31
    pass
5
32
 
6
33
import sys
7
34
import os
13
40
import urwid
14
41
 
15
42
from dbus.mainloop.glib import DBusGMainLoop
16
 
import gobject
 
43
try:
 
44
    import gobject
 
45
except ImportError:
 
46
    from gi.repository import GObject as gobject
17
47
 
18
48
import dbus
19
49
 
20
 
import UserList
21
 
 
22
50
import locale
23
51
 
24
 
locale.setlocale(locale.LC_ALL, u'')
 
52
if sys.version_info[0] == 2:
 
53
    str = unicode
 
54
 
 
55
locale.setlocale(locale.LC_ALL, '')
25
56
 
26
57
import logging
27
58
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
28
59
 
29
60
# Some useful constants
30
 
domain = 'se.bsnet.fukt'
 
61
domain = 'se.recompile'
31
62
server_interface = domain + '.Mandos'
32
63
client_interface = domain + '.Mandos.Client'
33
 
version = "1.0.15"
34
 
 
35
 
# Always run in monochrome mode
36
 
urwid.curses_display.curses.has_colors = lambda : False
37
 
 
38
 
# Urwid doesn't support blinking, but we want it.  Since we have no
39
 
# use for underline on its own, we make underline also always blink.
40
 
urwid.curses_display.curses.A_UNDERLINE |= (
41
 
    urwid.curses_display.curses.A_BLINK)
 
64
version = "1.6.0"
 
65
 
 
66
def isoformat_to_datetime(iso):
 
67
    "Parse an ISO 8601 date string to a datetime.datetime()"
 
68
    if not iso:
 
69
        return None
 
70
    d, t = iso.split("T", 1)
 
71
    year, month, day = d.split("-", 2)
 
72
    hour, minute, second = t.split(":", 2)
 
73
    second, fraction = divmod(float(second), 1)
 
74
    return datetime.datetime(int(year),
 
75
                             int(month),
 
76
                             int(day),
 
77
                             int(hour),
 
78
                             int(minute),
 
79
                             int(second),           # Whole seconds
 
80
                             int(fraction*1000000)) # Microseconds
42
81
 
43
82
class MandosClientPropertyCache(object):
44
83
    """This wraps a Mandos Client D-Bus proxy object, caches the
45
84
    properties and calls a hook function when any of them are
46
85
    changed.
47
86
    """
48
 
    def __init__(self, proxy_object=None, *args, **kwargs):
 
87
    def __init__(self, proxy_object=None, properties=None, **kwargs):
49
88
        self.proxy = proxy_object # Mandos Client proxy object
50
 
        
51
 
        self.properties = dict()
52
 
        self.proxy.connect_to_signal(u"PropertyChanged",
53
 
                                     self.property_changed,
54
 
                                     client_interface,
55
 
                                     byte_arrays=True)
56
 
        
57
 
        self.properties.update(
58
 
            self.proxy.GetAll(client_interface,
59
 
                              dbus_interface = dbus.PROPERTIES_IFACE))
60
 
        super(MandosClientPropertyCache, self).__init__(
61
 
            *args, **kwargs)
 
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)
62
107
    
63
108
    def property_changed(self, property=None, value=None):
64
109
        """This is called whenever we get a PropertyChanged signal
66
111
        """
67
112
        # Update properties dict with new value
68
113
        self.properties[property] = value
 
114
    
 
115
    def delete(self):
 
116
        self.property_changed_match.remove()
69
117
 
70
118
 
71
119
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
73
121
    """
74
122
    
75
123
    def __init__(self, server_proxy_object=None, update_hook=None,
76
 
                 delete_hook=None, logger=None, *args, **kwargs):
 
124
                 delete_hook=None, logger=None, **kwargs):
77
125
        # Called on update
78
126
        self.update_hook = update_hook
79
127
        # Called on delete
83
131
        # Logger
84
132
        self.logger = logger
85
133
        
 
134
        self._update_timer_callback_tag = None
 
135
        
86
136
        # The widget shown normally
87
 
        self._text_widget = urwid.Text(u"")
 
137
        self._text_widget = urwid.Text("")
88
138
        # The widget shown when we have focus
89
 
        self._focus_text_widget = urwid.Text(u"")
90
 
        super(MandosClientWidget, self).__init__(
91
 
            update_hook=update_hook, delete_hook=delete_hook,
92
 
            *args, **kwargs)
 
139
        self._focus_text_widget = urwid.Text("")
 
140
        super(MandosClientWidget, self).__init__(**kwargs)
93
141
        self.update()
94
142
        self.opened = False
95
 
        self.proxy.connect_to_signal(u"CheckerCompleted",
96
 
                                     self.checker_completed,
97
 
                                     client_interface,
98
 
                                     byte_arrays=True)
99
 
        self.proxy.connect_to_signal(u"CheckerStarted",
100
 
                                     self.checker_started,
101
 
                                     client_interface,
102
 
                                     byte_arrays=True)
103
 
        self.proxy.connect_to_signal(u"GotSecret",
104
 
                                     self.got_secret,
105
 
                                     client_interface,
106
 
                                     byte_arrays=True)
107
 
        self.proxy.connect_to_signal(u"NeedApproval",
108
 
                                     self.need_approval,
109
 
                                     client_interface,
110
 
                                     byte_arrays=True)
111
 
        self.proxy.connect_to_signal(u"Rejected",
112
 
                                     self.rejected,
113
 
                                     client_interface,
114
 
                                     byte_arrays=True)
 
143
        
 
144
        self.match_objects = (
 
145
            self.proxy.connect_to_signal("CheckerCompleted",
 
146
                                         self.checker_completed,
 
147
                                         client_interface,
 
148
                                         byte_arrays=True),
 
149
            self.proxy.connect_to_signal("CheckerStarted",
 
150
                                         self.checker_started,
 
151
                                         client_interface,
 
152
                                         byte_arrays=True),
 
153
            self.proxy.connect_to_signal("GotSecret",
 
154
                                         self.got_secret,
 
155
                                         client_interface,
 
156
                                         byte_arrays=True),
 
157
            self.proxy.connect_to_signal("NeedApproval",
 
158
                                         self.need_approval,
 
159
                                         client_interface,
 
160
                                         byte_arrays=True),
 
161
            self.proxy.connect_to_signal("Rejected",
 
162
                                         self.rejected,
 
163
                                         client_interface,
 
164
                                         byte_arrays=True))
 
165
        #self.logger('Created client {0}'
 
166
        #            .format(self.properties["Name"]))
 
167
    
 
168
    def using_timer(self, flag):
 
169
        """Call this method with True or False when timer should be
 
170
        activated or deactivated.
 
171
        """
 
172
        if flag and self._update_timer_callback_tag is None:
 
173
            # Will update the shown timer value every second
 
174
            self._update_timer_callback_tag = (gobject.timeout_add
 
175
                                               (1000,
 
176
                                                self.update_timer))
 
177
        elif not (flag or self._update_timer_callback_tag is None):
 
178
            gobject.source_remove(self._update_timer_callback_tag)
 
179
            self._update_timer_callback_tag = None
115
180
    
116
181
    def checker_completed(self, exitstatus, condition, command):
117
182
        if exitstatus == 0:
118
 
            #self.logger(u'Checker for client %s (command "%s")'
119
 
            #            u' was successful'
120
 
            #            % (self.properties[u"name"], command))
 
183
            self.update()
121
184
            return
 
185
        # Checker failed
122
186
        if os.WIFEXITED(condition):
123
 
            self.logger(u'Checker for client %s (command "%s")'
124
 
                        u' failed with exit code %s'
125
 
                        % (self.properties[u"name"], command,
126
 
                           os.WEXITSTATUS(condition)))
127
 
            return
128
 
        if os.WIFSIGNALED(condition):
129
 
            self.logger(u'Checker for client %s (command "%s")'
130
 
                        u' was killed by signal %s'
131
 
                        % (self.properties[u"name"], command,
132
 
                           os.WTERMSIG(condition)))
133
 
            return
134
 
        if os.WCOREDUMP(condition):
135
 
            self.logger(u'Checker for client %s (command "%s")'
136
 
                        u' dumped core'
137
 
                        % (self.properties[u"name"], command))
138
 
        self.logger(u'Checker for client %s completed mysteriously')
 
187
            self.logger('Checker for client {0} (command "{1}")'
 
188
                        ' failed with exit code {2}'
 
189
                        .format(self.properties["Name"], command,
 
190
                                os.WEXITSTATUS(condition)))
 
191
        elif os.WIFSIGNALED(condition):
 
192
            self.logger('Checker for client {0} (command "{1}") was'
 
193
                        ' killed by signal {2}'
 
194
                        .format(self.properties["Name"], command,
 
195
                                os.WTERMSIG(condition)))
 
196
        elif os.WCOREDUMP(condition):
 
197
            self.logger('Checker for client {0} (command "{1}")'
 
198
                        ' dumped core'
 
199
                        .format(self.properties["Name"], command))
 
200
        else:
 
201
            self.logger('Checker for client {0} completed'
 
202
                        ' mysteriously'
 
203
                        .format(self.properties["Name"]))
 
204
        self.update()
139
205
    
140
206
    def checker_started(self, command):
141
 
        #self.logger(u'Client %s started checker "%s"'
142
 
        #            % (self.properties[u"name"], unicode(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)))
143
212
        pass
144
213
    
145
214
    def got_secret(self):
146
 
        self.logger(u'Client %s received its secret'
147
 
                    % self.properties[u"name"])
 
215
        self.logger('Client {0} received its secret'
 
216
                    .format(self.properties["Name"]))
148
217
    
149
218
    def need_approval(self, timeout, default):
150
219
        if not default:
151
 
            message = u'Client %s needs approval within %s seconds'
 
220
            message = 'Client {0} needs approval within {1} seconds'
152
221
        else:
153
 
            message = u'Client %s will get its secret in %s seconds'
154
 
        self.logger(message
155
 
                    % (self.properties[u"name"], timeout/1000))
 
222
            message = 'Client {0} will get its secret in {1} seconds'
 
223
        self.logger(message.format(self.properties["Name"],
 
224
                                   timeout/1000))
156
225
    
157
226
    def rejected(self, reason):
158
 
        self.logger(u'Client %s was rejected; reason: %s'
159
 
                    % (self.properties[u"name"], reason))
 
227
        self.logger('Client {0} was rejected; reason: {1}'
 
228
                    .format(self.properties["Name"], reason))
160
229
    
161
230
    def selectable(self):
162
231
        """Make this a "selectable" widget.
163
232
        This overrides the method from urwid.FlowWidget."""
164
233
        return True
165
234
    
166
 
    def rows(self, (maxcol,), focus=False):
 
235
    def rows(self, maxcolrow, focus=False):
167
236
        """How many rows this widget will occupy might depend on
168
237
        whether we have focus or not.
169
238
        This overrides the method from urwid.FlowWidget"""
170
 
        return self.current_widget(focus).rows((maxcol,), focus=focus)
 
239
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
171
240
    
172
241
    def current_widget(self, focus=False):
173
242
        if focus or self.opened:
177
246
    def update(self):
178
247
        "Called when what is visible on the screen should be updated."
179
248
        # How to add standout mode to a style
180
 
        with_standout = { u"normal": u"standout",
181
 
                          u"bold": u"bold-standout",
182
 
                          u"underline-blink":
183
 
                              u"underline-blink-standout",
184
 
                          u"bold-underline-blink":
185
 
                              u"bold-underline-blink-standout",
 
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",
186
255
                          }
187
256
        
188
257
        # Rebuild focus and non-focus widgets using current properties
189
 
        self._text = (u'%(name)s: %(enabled)s'
190
 
                      % { u"name": self.properties[u"name"],
191
 
                          u"enabled":
192
 
                              (u"enabled"
193
 
                               if self.properties[u"enabled"]
194
 
                               else u"DISABLED")})
 
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
        
195
301
        if not urwid.supports_unicode():
196
302
            self._text = self._text.encode("ascii", "replace")
197
 
        textlist = [(u"normal", self._text)]
 
303
        textlist = [("normal", self._text)]
198
304
        self._text_widget.set_text(textlist)
199
305
        self._focus_text_widget.set_text([(with_standout[text[0]],
200
306
                                           text[1])
208
314
        if self.update_hook is not None:
209
315
            self.update_hook()
210
316
    
211
 
    def delete(self):
 
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 = ()
212
330
        if self.delete_hook is not None:
213
331
            self.delete_hook(self)
 
332
        return super(MandosClientWidget, self).delete(**kwargs)
214
333
    
215
 
    def render(self, (maxcol,), focus=False):
 
334
    def render(self, maxcolrow, focus=False):
216
335
        """Render differently if we have focus.
217
336
        This overrides the method from urwid.FlowWidget"""
218
 
        return self.current_widget(focus).render((maxcol,),
 
337
        return self.current_widget(focus).render(maxcolrow,
219
338
                                                 focus=focus)
220
339
    
221
 
    def keypress(self, (maxcol,), key):
 
340
    def keypress(self, maxcolrow, key):
222
341
        """Handle keys.
223
342
        This overrides the method from urwid.FlowWidget"""
224
 
        if key == u"e" or key == u"+":
225
 
            self.proxy.Enable()
226
 
        elif key == u"d" or key == u"-":
227
 
            self.proxy.Disable()
228
 
        elif key == u"r" or key == u"_" or key == u"ctrl k":
 
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":
229
358
            self.server_proxy_object.RemoveClient(self.proxy
230
 
                                                  .object_path)
231
 
        elif key == u"s":
232
 
            self.proxy.StartChecker()
233
 
        elif key == u"S":
234
 
            self.proxy.StopChecker()
235
 
        elif key == u"C":
236
 
            self.proxy.CheckedOK()
 
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)
237
370
        # xxx
238
 
#         elif key == u"p" or key == "=":
 
371
#         elif key == "p" or key == "=":
239
372
#             self.proxy.pause()
240
 
#         elif key == u"u" or key == ":":
 
373
#         elif key == "u" or key == ":":
241
374
#             self.proxy.unpause()
242
 
#         elif key == u"RET":
 
375
#         elif key == "RET":
243
376
#             self.open()
244
 
        elif key == u"+":
245
 
            self.proxy.Approve(True)
246
 
        elif key == u"-":
247
 
            self.proxy.Approve(False)
248
377
        else:
249
378
            return key
250
379
    
251
 
    def property_changed(self, property=None, value=None,
252
 
                         *args, **kwargs):
 
380
    def property_changed(self, property=None, **kwargs):
253
381
        """Call self.update() if old value is not new value.
254
382
        This overrides the method from MandosClientPropertyCache"""
255
 
        property_name = unicode(property)
 
383
        property_name = str(property)
256
384
        old_value = self.properties.get(property_name)
257
385
        super(MandosClientWidget, self).property_changed(
258
 
            property=property, value=value, *args, **kwargs)
 
386
            property=property, **kwargs)
259
387
        if self.properties.get(property_name) != old_value:
260
388
            self.update()
261
389
 
265
393
    "down" key presses, thus not allowing any containing widgets to
266
394
    use them as an excuse to shift focus away from this widget.
267
395
    """
268
 
    def keypress(self, (maxcol, maxrow), key):
269
 
        ret = super(ConstrainedListBox, self).keypress((maxcol, maxrow), key)
270
 
        if ret in (u"up", u"down"):
 
396
    def keypress(self, *args, **kwargs):
 
397
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
 
398
        if ret in ("up", "down"):
271
399
            return
272
400
        return ret
273
401
 
282
410
        self.screen = urwid.curses_display.Screen()
283
411
        
284
412
        self.screen.register_palette((
285
 
                (u"normal",
286
 
                 u"default", u"default", None),
287
 
                (u"bold",
288
 
                 u"default", u"default", u"bold"),
289
 
                (u"underline-blink",
290
 
                 u"default", u"default", u"underline"),
291
 
                (u"standout",
292
 
                 u"default", u"default", u"standout"),
293
 
                (u"bold-underline-blink",
294
 
                 u"default", u"default", (u"bold", u"underline")),
295
 
                (u"bold-standout",
296
 
                 u"default", u"default", (u"bold", u"standout")),
297
 
                (u"underline-blink-standout",
298
 
                 u"default", u"default", (u"underline", u"standout")),
299
 
                (u"bold-underline-blink-standout",
300
 
                 u"default", u"default", (u"bold", u"underline",
301
 
                                          u"standout")),
 
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"),
302
431
                ))
303
432
        
304
433
        if urwid.supports_unicode():
305
 
            self.divider = u"─" # \u2500
306
 
            #self.divider = u"━" # \u2501
 
434
            self.divider = "─" # \u2500
 
435
            #self.divider = "━" # \u2501
307
436
        else:
308
 
            #self.divider = u"-" # \u002d
309
 
            self.divider = u"_" # \u005f
 
437
            #self.divider = "-" # \u002d
 
438
            self.divider = "_" # \u005f
310
439
        
311
440
        self.screen.start()
312
441
        
326
455
        # This keeps track of whether self.uilist currently has
327
456
        # self.logbox in it or not
328
457
        self.log_visible = True
329
 
        self.log_wrap = u"any"
 
458
        self.log_wrap = "any"
330
459
        
331
460
        self.rebuild()
332
 
        self.log_message_raw((u"bold",
333
 
                              u"Mandos Monitor version " + version))
334
 
        self.log_message_raw((u"bold",
335
 
                              u"q: Quit  ?: Help"))
 
461
        self.log_message_raw(("bold",
 
462
                              "Mandos Monitor version " + version))
 
463
        self.log_message_raw(("bold",
 
464
                              "q: Quit  ?: Help"))
336
465
        
337
466
        self.busname = domain + '.Mandos'
338
467
        self.main_loop = gobject.MainLoop()
339
 
        self.bus = dbus.SystemBus()
340
 
        mandos_dbus_objc = self.bus.get_object(
341
 
            self.busname, u"/", follow_name_owner_changes=True)
342
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
343
 
                                          dbus_interface
344
 
                                          = server_interface)
345
 
        try:
346
 
            mandos_clients = (self.mandos_serv
347
 
                              .GetAllClientsWithProperties())
348
 
        except dbus.exceptions.DBusException:
349
 
            mandos_clients = dbus.Dictionary()
350
 
        
351
 
        (self.mandos_serv
352
 
         .connect_to_signal(u"ClientRemoved",
353
 
                            self.find_and_remove_client,
354
 
                            dbus_interface=server_interface,
355
 
                            byte_arrays=True))
356
 
        (self.mandos_serv
357
 
         .connect_to_signal(u"ClientAdded",
358
 
                            self.add_new_client,
359
 
                            dbus_interface=server_interface,
360
 
                            byte_arrays=True))
361
 
        (self.mandos_serv
362
 
         .connect_to_signal(u"ClientNotFound",
363
 
                            self.client_not_found,
364
 
                            dbus_interface=server_interface,
365
 
                            byte_arrays=True))
366
 
        for path, client in mandos_clients.iteritems():
367
 
            client_proxy_object = self.bus.get_object(self.busname,
368
 
                                                      path)
369
 
            self.add_client(MandosClientWidget(server_proxy_object
370
 
                                               =self.mandos_serv,
371
 
                                               proxy_object
372
 
                                               =client_proxy_object,
373
 
                                               properties=client,
374
 
                                               update_hook
375
 
                                               =self.refresh,
376
 
                                               delete_hook
377
 
                                               =self.remove_client,
378
 
                                               logger
379
 
                                               =self.log_message),
380
 
                            path=path)
381
468
    
382
469
    def client_not_found(self, fingerprint, address):
383
 
        self.log_message((u"Client with address %s and fingerprint %s"
384
 
                          u" could not be found" % (address,
385
 
                                                    fingerprint)))
 
470
        self.log_message("Client with address {0} and fingerprint"
 
471
                         " {1} could not be found"
 
472
                         .format(address, fingerprint))
386
473
    
387
474
    def rebuild(self):
388
475
        """This rebuilds the User Interface.
389
476
        Call this when the widget layout needs to change"""
390
477
        self.uilist = []
391
478
        #self.uilist.append(urwid.ListBox(self.clients))
392
 
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
 
479
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
 
480
                                                          clients),
393
481
                                       #header=urwid.Divider(),
394
482
                                       header=None,
395
 
                                       footer=urwid.Divider(div_char=self.divider)))
 
483
                                       footer=
 
484
                                       urwid.Divider(div_char=
 
485
                                                     self.divider)))
396
486
        if self.log_visible:
397
487
            self.uilist.append(self.logbox)
398
 
            pass
399
488
        self.topwidget = urwid.Pile(self.uilist)
400
489
    
401
490
    def log_message(self, message):
 
491
        """Log message formatted with timestamp"""
402
492
        timestamp = datetime.datetime.now().isoformat()
403
 
        self.log_message_raw(timestamp + u": " + message)
 
493
        self.log_message_raw(timestamp + ": " + message)
404
494
    
405
495
    def log_message_raw(self, markup):
406
496
        """Add a log message to the log buffer."""
409
499
            and len(self.log) > self.max_log_length):
410
500
            del self.log[0:len(self.log)-self.max_log_length-1]
411
501
        self.logbox.set_focus(len(self.logbox.body.contents),
412
 
                              coming_from=u"above")
 
502
                              coming_from="above")
413
503
        self.refresh()
414
504
    
415
505
    def toggle_log_display(self):
416
506
        """Toggle visibility of the log buffer."""
417
507
        self.log_visible = not self.log_visible
418
508
        self.rebuild()
419
 
        self.log_message(u"Log visibility changed to: "
420
 
                         + unicode(self.log_visible))
 
509
        #self.log_message("Log visibility changed to: "
 
510
        #                 + str(self.log_visible))
421
511
    
422
512
    def change_log_display(self):
423
513
        """Change type of log display.
424
514
        Currently, this toggles wrapping of text lines."""
425
 
        if self.log_wrap == u"clip":
426
 
            self.log_wrap = u"any"
 
515
        if self.log_wrap == "clip":
 
516
            self.log_wrap = "any"
427
517
        else:
428
 
            self.log_wrap = u"clip"
 
518
            self.log_wrap = "clip"
429
519
        for textwidget in self.log:
430
520
            textwidget.set_wrap_mode(self.log_wrap)
431
 
        self.log_message(u"Wrap mode: " + self.log_wrap)
 
521
        #self.log_message("Wrap mode: " + self.log_wrap)
432
522
    
433
523
    def find_and_remove_client(self, path, name):
434
 
        """Find an client from its object path and remove it.
 
524
        """Find a client by its object path and remove it.
435
525
        
436
526
        This is connected to the ClientRemoved signal from the
437
527
        Mandos server object."""
439
529
            client = self.clients_dict[path]
440
530
        except KeyError:
441
531
            # not found?
 
532
            self.log_message("Unknown client {0!r} ({1!r}) removed"
 
533
                             .format(name, path))
442
534
            return
443
 
        self.remove_client(client, path)
 
535
        client.delete()
444
536
    
445
537
    def add_new_client(self, path):
446
538
        client_proxy_object = self.bus.get_object(self.busname, path)
461
553
        if path is None:
462
554
            path = client.proxy.object_path
463
555
        self.clients_dict[path] = client
464
 
        self.clients.sort(None, lambda c: c.properties[u"name"])
 
556
        self.clients.sort(key=lambda c: c.properties["Name"])
465
557
        self.refresh()
466
558
    
467
559
    def remove_client(self, client, path=None):
469
561
        if path is None:
470
562
            path = client.proxy.object_path
471
563
        del self.clients_dict[path]
472
 
        if not self.clients_dict:
473
 
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
474
 
            # is completely emptied, we need to recreate it.
475
 
            self.clients = urwid.SimpleListWalker([])
476
 
            self.rebuild()
477
564
        self.refresh()
478
565
    
479
566
    def refresh(self):
483
570
    
484
571
    def run(self):
485
572
        """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
        
486
619
        self.refresh()
487
620
        self._input_callback_tag = (gobject.io_add_watch
488
621
                                    (sys.stdin.fileno(),
498
631
    
499
632
    def process_input(self, source, condition):
500
633
        keys = self.screen.get_input()
501
 
        translations = { u"ctrl n": u"down",      # Emacs
502
 
                         u"ctrl p": u"up",        # Emacs
503
 
                         u"ctrl v": u"page down", # Emacs
504
 
                         u"meta v": u"page up",   # Emacs
505
 
                         u" ": u"page down",      # less
506
 
                         u"f": u"page down",      # less
507
 
                         u"b": u"page up",        # less
508
 
                         u"j": u"down",           # vi
509
 
                         u"k": u"up",             # vi
 
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
510
643
                         }
511
644
        for key in keys:
512
645
            try:
514
647
            except KeyError:    # :-)
515
648
                pass
516
649
            
517
 
            if key == u"q" or key == u"Q":
 
650
            if key == "q" or key == "Q":
518
651
                self.stop()
519
652
                break
520
 
            elif key == u"window resize":
 
653
            elif key == "window resize":
521
654
                self.size = self.screen.get_cols_rows()
522
655
                self.refresh()
523
 
            elif key == u"\f":  # Ctrl-L
 
656
            elif key == "\f":  # Ctrl-L
524
657
                self.refresh()
525
 
            elif key == u"l" or key == u"D":
 
658
            elif key == "l" or key == "D":
526
659
                self.toggle_log_display()
527
660
                self.refresh()
528
 
            elif key == u"w" or key == u"i":
 
661
            elif key == "w" or key == "i":
529
662
                self.change_log_display()
530
663
                self.refresh()
531
 
            elif key == u"?" or key == u"f1" or key == u"esc":
 
664
            elif key == "?" or key == "f1" or key == "esc":
532
665
                if not self.log_visible:
533
666
                    self.log_visible = True
534
667
                    self.rebuild()
535
 
                self.log_message_raw((u"bold",
536
 
                                      u"  ".
537
 
                                      join((u"q: Quit",
538
 
                                            u"?: Help",
539
 
                                            u"l: Log window toggle",
540
 
                                            u"TAB: Switch window",
541
 
                                            u"w: Wrap (log)"))))
542
 
                self.log_message_raw((u"bold",
543
 
                                      u"  "
544
 
                                      .join((u"Clients:",
545
 
                                             u"e: Enable",
546
 
                                             u"d: Disable",
547
 
                                             u"r: Remove",
548
 
                                             u"s: Start new checker",
549
 
                                             u"S: Stop checker",
550
 
                                             u"C: Checker OK"))))
 
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"))))
551
686
                self.refresh()
552
 
            elif key == u"tab":
 
687
            elif key == "tab":
553
688
                if self.topwidget.get_focus() is self.logbox:
554
689
                    self.topwidget.set_focus(0)
555
690
                else:
556
691
                    self.topwidget.set_focus(self.logbox)
557
692
                self.refresh()
558
 
            #elif (key == u"end" or key == u"meta >" or key == u"G"
559
 
            #      or key == u">"):
 
693
            #elif (key == "end" or key == "meta >" or key == "G"
 
694
            #      or key == ">"):
560
695
            #    pass            # xxx end-of-buffer
561
 
            #elif (key == u"home" or key == u"meta <" or key == u"g"
562
 
            #      or key == u"<"):
 
696
            #elif (key == "home" or key == "meta <" or key == "g"
 
697
            #      or key == "<"):
563
698
            #    pass            # xxx beginning-of-buffer
564
 
            #elif key == u"ctrl e" or key == u"$":
 
699
            #elif key == "ctrl e" or key == "$":
565
700
            #    pass            # xxx move-end-of-line
566
 
            #elif key == u"ctrl a" or key == u"^":
 
701
            #elif key == "ctrl a" or key == "^":
567
702
            #    pass            # xxx move-beginning-of-line
568
 
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
 
703
            #elif key == "ctrl b" or key == "meta (" or key == "h":
569
704
            #    pass            # xxx left
570
 
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
 
705
            #elif key == "ctrl f" or key == "meta )" or key == "l":
571
706
            #    pass            # xxx right
572
 
            #elif key == u"a":
 
707
            #elif key == "a":
573
708
            #    pass            # scroll up log
574
 
            #elif key == u"z":
 
709
            #elif key == "z":
575
710
            #    pass            # scroll down log
576
711
            elif self.topwidget.selectable():
577
712
                self.topwidget.keypress(self.size, key)
581
716
ui = UserInterface()
582
717
try:
583
718
    ui.run()
584
 
except Exception, e:
585
 
    ui.log_message(unicode(e))
 
719
except KeyboardInterrupt:
 
720
    ui.screen.stop()
 
721
except Exception as e:
 
722
    ui.log_message(str(e))
586
723
    ui.screen.stop()
587
724
    raise