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  • Committer: Teddy Hogeborn
  • Date: 2014-06-07 20:28:32 UTC
  • Revision ID: teddy@recompile.se-20140607202832-02pucp4xd5nm646q
Minor bug fix in mandos-client: Remove memory leak for network hooks.

* plugins.d/mandos-client.c (runnable_hook): Call free() on full file
                                             name of network hook.

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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
# 
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
8
 
import signal
9
35
 
10
36
import datetime
11
37
 
13
39
import urwid
14
40
 
15
41
from dbus.mainloop.glib import DBusGMainLoop
16
 
import gobject
 
42
try:
 
43
    import gobject
 
44
except ImportError:
 
45
    from gi.repository import GObject as gobject
17
46
 
18
47
import dbus
19
48
 
20
 
import UserList
21
 
 
22
49
import locale
23
50
 
24
 
locale.setlocale(locale.LC_ALL, u'')
 
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)
25
58
 
26
59
# Some useful constants
27
 
domain = 'se.bsnet.fukt'
 
60
domain = 'se.recompile'
28
61
server_interface = domain + '.Mandos'
29
62
client_interface = domain + '.Mandos.Client'
30
 
version = "1.0.14"
31
 
 
32
 
# Always run in monochrome mode
33
 
urwid.curses_display.curses.has_colors = lambda : False
34
 
 
35
 
# Urwid doesn't support blinking, but we want it.  Since we have no
36
 
# use for underline on its own, we make underline also always blink.
37
 
urwid.curses_display.curses.A_UNDERLINE |= (
38
 
    urwid.curses_display.curses.A_BLINK)
 
63
version = "1.6.5"
 
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
39
80
 
40
81
class MandosClientPropertyCache(object):
41
82
    """This wraps a Mandos Client D-Bus proxy object, caches the
42
83
    properties and calls a hook function when any of them are
43
84
    changed.
44
85
    """
45
 
    def __init__(self, proxy_object=None, *args, **kwargs):
 
86
    def __init__(self, proxy_object=None, properties=None, **kwargs):
46
87
        self.proxy = proxy_object # Mandos Client proxy object
47
 
        
48
 
        self.properties = dict()
49
 
        self.proxy.connect_to_signal(u"PropertyChanged",
50
 
                                     self.property_changed,
51
 
                                     client_interface,
52
 
                                     byte_arrays=True)
53
 
 
54
 
        self.properties.update(
55
 
            self.proxy.GetAll(client_interface,
56
 
                              dbus_interface = dbus.PROPERTIES_IFACE))
57
 
        super(MandosClientPropertyCache, self).__init__(
58
 
            proxy_object=proxy_object, *args, **kwargs)
 
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)
59
106
    
60
107
    def property_changed(self, property=None, value=None):
61
108
        """This is called whenever we get a PropertyChanged signal
63
110
        """
64
111
        # Update properties dict with new value
65
112
        self.properties[property] = value
 
113
    
 
114
    def delete(self):
 
115
        self.property_changed_match.remove()
66
116
 
67
117
 
68
118
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
70
120
    """
71
121
    
72
122
    def __init__(self, server_proxy_object=None, update_hook=None,
73
 
                 delete_hook=None, logger=None, *args, **kwargs):
 
123
                 delete_hook=None, logger=None, **kwargs):
74
124
        # Called on update
75
125
        self.update_hook = update_hook
76
126
        # Called on delete
80
130
        # Logger
81
131
        self.logger = logger
82
132
        
 
133
        self._update_timer_callback_tag = None
 
134
        
83
135
        # The widget shown normally
84
 
        self._text_widget = urwid.Text(u"")
 
136
        self._text_widget = urwid.Text("")
85
137
        # The widget shown when we have focus
86
 
        self._focus_text_widget = urwid.Text(u"")
87
 
        super(MandosClientWidget, self).__init__(
88
 
            update_hook=update_hook, delete_hook=delete_hook,
89
 
            *args, **kwargs)
 
138
        self._focus_text_widget = urwid.Text("")
 
139
        super(MandosClientWidget, self).__init__(**kwargs)
90
140
        self.update()
91
141
        self.opened = False
92
 
        self.proxy.connect_to_signal(u"CheckerCompleted",
93
 
                                     self.checker_completed,
94
 
                                     client_interface,
95
 
                                     byte_arrays=True)
96
 
        self.proxy.connect_to_signal(u"CheckerStarted",
97
 
                                     self.checker_started,
98
 
                                     client_interface,
99
 
                                     byte_arrays=True)
100
 
        self.proxy.connect_to_signal(u"GotSecret",
101
 
                                     self.got_secret,
102
 
                                     client_interface,
103
 
                                     byte_arrays=True)
104
 
        self.proxy.connect_to_signal(u"Rejected",
105
 
                                     self.rejected,
106
 
                                     client_interface,
107
 
                                     byte_arrays=True)
 
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"]))
 
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
108
179
    
109
180
    def checker_completed(self, exitstatus, condition, command):
110
181
        if exitstatus == 0:
111
 
            self.logger(u'Checker for client %s (command "%s")'
112
 
                        u' was successful'
113
 
                        % (self.properties[u"name"], command))
 
182
            self.update()
114
183
            return
 
184
        # Checker failed
115
185
        if os.WIFEXITED(condition):
116
 
            self.logger(u'Checker for client %s (command "%s")'
117
 
                        u' failed with exit code %s'
118
 
                        % (self.properties[u"name"], command,
119
 
                           os.WEXITSTATUS(condition)))
120
 
            return
121
 
        if os.WIFSIGNALED(condition):
122
 
            self.logger(u'Checker for client %s (command "%s")'
123
 
                        u' was killed by signal %s'
124
 
                        % (self.properties[u"name"], command,
125
 
                           os.WTERMSIG(condition)))
126
 
            return
127
 
        if os.WCOREDUMP(condition):
128
 
            self.logger(u'Checker for client %s (command "%s")'
129
 
                        u' dumped core'
130
 
                        % (self.properties[u"name"], command))
131
 
        self.logger(u'Checker for client %s completed mysteriously')
 
186
            self.logger('Checker for client {0} (command "{1}")'
 
187
                        ' failed with exit code {2}'
 
188
                        .format(self.properties["Name"], command,
 
189
                                os.WEXITSTATUS(condition)))
 
190
        elif os.WIFSIGNALED(condition):
 
191
            self.logger('Checker for client {0} (command "{1}") was'
 
192
                        ' killed by signal {2}'
 
193
                        .format(self.properties["Name"], command,
 
194
                                os.WTERMSIG(condition)))
 
195
        elif os.WCOREDUMP(condition):
 
196
            self.logger('Checker for client {0} (command "{1}")'
 
197
                        ' dumped core'
 
198
                        .format(self.properties["Name"], command))
 
199
        else:
 
200
            self.logger('Checker for client {0} completed'
 
201
                        ' mysteriously'
 
202
                        .format(self.properties["Name"]))
 
203
        self.update()
132
204
    
133
205
    def checker_started(self, command):
134
 
        self.logger(u'Client %s started checker "%s"'
135
 
                    % (self.properties[u"name"], unicode(command)))
 
206
        """Server signals that a checker started. This could be useful
 
207
           to log in the future. """
 
208
        #self.logger('Client {0} started checker "{1}"'
 
209
        #            .format(self.properties["Name"],
 
210
        #                    str(command)))
 
211
        pass
136
212
    
137
213
    def got_secret(self):
138
 
        self.logger(u'Client %s received its secret'
139
 
                    % self.properties[u"name"])
140
 
    
141
 
    def rejected(self):
142
 
        self.logger(u'Client %s was rejected'
143
 
                    % self.properties[u"name"])
 
214
        self.logger('Client {0} received its secret'
 
215
                    .format(self.properties["Name"]))
 
216
    
 
217
    def need_approval(self, timeout, default):
 
218
        if not default:
 
219
            message = 'Client {0} needs approval within {1} seconds'
 
220
        else:
 
221
            message = 'Client {0} will get its secret in {1} seconds'
 
222
        self.logger(message.format(self.properties["Name"],
 
223
                                   timeout/1000))
 
224
    
 
225
    def rejected(self, reason):
 
226
        self.logger('Client {0} was rejected; reason: {1}'
 
227
                    .format(self.properties["Name"], reason))
144
228
    
145
229
    def selectable(self):
146
230
        """Make this a "selectable" widget.
147
231
        This overrides the method from urwid.FlowWidget."""
148
232
        return True
149
233
    
150
 
    def rows(self, (maxcol,), focus=False):
 
234
    def rows(self, maxcolrow, focus=False):
151
235
        """How many rows this widget will occupy might depend on
152
236
        whether we have focus or not.
153
237
        This overrides the method from urwid.FlowWidget"""
154
 
        return self.current_widget(focus).rows((maxcol,), focus=focus)
 
238
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
155
239
    
156
240
    def current_widget(self, focus=False):
157
241
        if focus or self.opened:
161
245
    def update(self):
162
246
        "Called when what is visible on the screen should be updated."
163
247
        # How to add standout mode to a style
164
 
        with_standout = { u"normal": u"standout",
165
 
                          u"bold": u"bold-standout",
166
 
                          u"underline-blink":
167
 
                              u"underline-blink-standout",
168
 
                          u"bold-underline-blink":
169
 
                              u"bold-underline-blink-standout",
 
248
        with_standout = { "normal": "standout",
 
249
                          "bold": "bold-standout",
 
250
                          "underline-blink":
 
251
                              "underline-blink-standout",
 
252
                          "bold-underline-blink":
 
253
                              "bold-underline-blink-standout",
170
254
                          }
171
255
        
172
256
        # Rebuild focus and non-focus widgets using current properties
173
 
        self._text = (u'%(name)s: %(enabled)s'
174
 
                      % { u"name": self.properties[u"name"],
175
 
                          u"enabled":
176
 
                              (u"enabled"
177
 
                               if self.properties[u"enabled"]
178
 
                               else u"DISABLED")})
 
257
        
 
258
        # Base part of a client. Name!
 
259
        base = '{name}: '.format(name=self.properties["Name"])
 
260
        if not self.properties["Enabled"]:
 
261
            message = "DISABLED"
 
262
            self.using_timer(False)
 
263
        elif self.properties["ApprovalPending"]:
 
264
            timeout = datetime.timedelta(milliseconds
 
265
                                         = self.properties
 
266
                                         ["ApprovalDelay"])
 
267
            last_approval_request = isoformat_to_datetime(
 
268
                self.properties["LastApprovalRequest"])
 
269
            if last_approval_request is not None:
 
270
                timer = max(timeout - (datetime.datetime.utcnow()
 
271
                                       - last_approval_request),
 
272
                            datetime.timedelta())
 
273
            else:
 
274
                timer = datetime.timedelta()
 
275
            if self.properties["ApprovedByDefault"]:
 
276
                message = "Approval in {0}. (d)eny?"
 
277
            else:
 
278
                message = "Denial in {0}. (a)pprove?"
 
279
            message = message.format(str(timer).rsplit(".", 1)[0])
 
280
            self.using_timer(True)
 
281
        elif self.properties["LastCheckerStatus"] != 0:
 
282
            # When checker has failed, show timer until client expires
 
283
            expires = self.properties["Expires"]
 
284
            if expires == "":
 
285
                timer = datetime.timedelta(0)
 
286
            else:
 
287
                expires = (datetime.datetime.strptime
 
288
                           (expires, '%Y-%m-%dT%H:%M:%S.%f'))
 
289
                timer = max(expires - datetime.datetime.utcnow(),
 
290
                            datetime.timedelta())
 
291
            message = ('A checker has failed! Time until client'
 
292
                       ' gets disabled: {0}'
 
293
                       .format(str(timer).rsplit(".", 1)[0]))
 
294
            self.using_timer(True)
 
295
        else:
 
296
            message = "enabled"
 
297
            self.using_timer(False)
 
298
        self._text = "{0}{1}".format(base, message)
 
299
        
179
300
        if not urwid.supports_unicode():
180
301
            self._text = self._text.encode("ascii", "replace")
181
 
        textlist = [(u"normal", self._text)]
 
302
        textlist = [("normal", self._text)]
182
303
        self._text_widget.set_text(textlist)
183
304
        self._focus_text_widget.set_text([(with_standout[text[0]],
184
305
                                           text[1])
192
313
        if self.update_hook is not None:
193
314
            self.update_hook()
194
315
    
195
 
    def delete(self):
 
316
    def update_timer(self):
 
317
        """called by gobject. Will indefinitely loop until
 
318
        gobject.source_remove() on tag is called"""
 
319
        self.update()
 
320
        return True             # Keep calling this
 
321
    
 
322
    def delete(self, **kwargs):
 
323
        if self._update_timer_callback_tag is not None:
 
324
            gobject.source_remove(self._update_timer_callback_tag)
 
325
            self._update_timer_callback_tag = None
 
326
        for match in self.match_objects:
 
327
            match.remove()
 
328
        self.match_objects = ()
196
329
        if self.delete_hook is not None:
197
330
            self.delete_hook(self)
 
331
        return super(MandosClientWidget, self).delete(**kwargs)
198
332
    
199
 
    def render(self, (maxcol,), focus=False):
 
333
    def render(self, maxcolrow, focus=False):
200
334
        """Render differently if we have focus.
201
335
        This overrides the method from urwid.FlowWidget"""
202
 
        return self.current_widget(focus).render((maxcol,),
 
336
        return self.current_widget(focus).render(maxcolrow,
203
337
                                                 focus=focus)
204
338
    
205
 
    def keypress(self, (maxcol,), key):
 
339
    def keypress(self, maxcolrow, key):
206
340
        """Handle keys.
207
341
        This overrides the method from urwid.FlowWidget"""
208
 
        if key == u"e" or key == u"+":
209
 
            self.proxy.Enable()
210
 
        elif key == u"d" or key == u"-":
211
 
            self.proxy.Disable()
212
 
        elif key == u"r" or key == u"_" or key == u"ctrl k":
 
342
        if key == "+":
 
343
            self.proxy.Enable(dbus_interface = client_interface,
 
344
                              ignore_reply=True)
 
345
        elif key == "-":
 
346
            self.proxy.Disable(dbus_interface = client_interface,
 
347
                               ignore_reply=True)
 
348
        elif key == "a":
 
349
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
 
350
                               dbus_interface = client_interface,
 
351
                               ignore_reply=True)
 
352
        elif key == "d":
 
353
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
 
354
                                  dbus_interface = client_interface,
 
355
                               ignore_reply=True)
 
356
        elif key == "R" or key == "_" or key == "ctrl k":
213
357
            self.server_proxy_object.RemoveClient(self.proxy
214
 
                                                  .object_path)
215
 
        elif key == u"s":
216
 
            self.proxy.StartChecker()
217
 
        elif key == u"S":
218
 
            self.proxy.StopChecker()
219
 
        elif key == u"C":
220
 
            self.proxy.CheckedOK()
 
358
                                                  .object_path,
 
359
                                                  ignore_reply=True)
 
360
        elif key == "s":
 
361
            self.proxy.StartChecker(dbus_interface = client_interface,
 
362
                                    ignore_reply=True)
 
363
        elif key == "S":
 
364
            self.proxy.StopChecker(dbus_interface = client_interface,
 
365
                                   ignore_reply=True)
 
366
        elif key == "C":
 
367
            self.proxy.CheckedOK(dbus_interface = client_interface,
 
368
                                 ignore_reply=True)
221
369
        # xxx
222
 
#         elif key == u"p" or key == "=":
 
370
#         elif key == "p" or key == "=":
223
371
#             self.proxy.pause()
224
 
#         elif key == u"u" or key == ":":
 
372
#         elif key == "u" or key == ":":
225
373
#             self.proxy.unpause()
226
 
#         elif key == u"RET":
 
374
#         elif key == "RET":
227
375
#             self.open()
228
376
        else:
229
377
            return key
230
378
    
231
 
    def property_changed(self, property=None, value=None,
232
 
                         *args, **kwargs):
 
379
    def property_changed(self, property=None, **kwargs):
233
380
        """Call self.update() if old value is not new value.
234
381
        This overrides the method from MandosClientPropertyCache"""
235
 
        property_name = unicode(property)
 
382
        property_name = str(property)
236
383
        old_value = self.properties.get(property_name)
237
384
        super(MandosClientWidget, self).property_changed(
238
 
            property=property, value=value, *args, **kwargs)
 
385
            property=property, **kwargs)
239
386
        if self.properties.get(property_name) != old_value:
240
387
            self.update()
241
388
 
245
392
    "down" key presses, thus not allowing any containing widgets to
246
393
    use them as an excuse to shift focus away from this widget.
247
394
    """
248
 
    def keypress(self, (maxcol, maxrow), key):
249
 
        ret = super(ConstrainedListBox, self).keypress((maxcol, maxrow), key)
250
 
        if ret in (u"up", u"down"):
 
395
    def keypress(self, *args, **kwargs):
 
396
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
 
397
        if ret in ("up", "down"):
251
398
            return
252
399
        return ret
253
400
 
262
409
        self.screen = urwid.curses_display.Screen()
263
410
        
264
411
        self.screen.register_palette((
265
 
                (u"normal",
266
 
                 u"default", u"default", None),
267
 
                (u"bold",
268
 
                 u"default", u"default", u"bold"),
269
 
                (u"underline-blink",
270
 
                 u"default", u"default", u"underline"),
271
 
                (u"standout",
272
 
                 u"default", u"default", u"standout"),
273
 
                (u"bold-underline-blink",
274
 
                 u"default", u"default", (u"bold", u"underline")),
275
 
                (u"bold-standout",
276
 
                 u"default", u"default", (u"bold", u"standout")),
277
 
                (u"underline-blink-standout",
278
 
                 u"default", u"default", (u"underline", u"standout")),
279
 
                (u"bold-underline-blink-standout",
280
 
                 u"default", u"default", (u"bold", u"underline",
281
 
                                          u"standout")),
 
412
                ("normal",
 
413
                 "default", "default", None),
 
414
                ("bold",
 
415
                 "bold", "default", "bold"),
 
416
                ("underline-blink",
 
417
                 "underline,blink", "default", "underline,blink"),
 
418
                ("standout",
 
419
                 "standout", "default", "standout"),
 
420
                ("bold-underline-blink",
 
421
                 "bold,underline,blink", "default", "bold,underline,blink"),
 
422
                ("bold-standout",
 
423
                 "bold,standout", "default", "bold,standout"),
 
424
                ("underline-blink-standout",
 
425
                 "underline,blink,standout", "default",
 
426
                 "underline,blink,standout"),
 
427
                ("bold-underline-blink-standout",
 
428
                 "bold,underline,blink,standout", "default",
 
429
                 "bold,underline,blink,standout"),
282
430
                ))
283
431
        
284
432
        if urwid.supports_unicode():
285
 
            self.divider = u"─" # \u2500
286
 
            #self.divider = u"━" # \u2501
 
433
            self.divider = "─" # \u2500
 
434
            #self.divider = "━" # \u2501
287
435
        else:
288
 
            #self.divider = u"-" # \u002d
289
 
            self.divider = u"_" # \u005f
 
436
            #self.divider = "-" # \u002d
 
437
            self.divider = "_" # \u005f
290
438
        
291
439
        self.screen.start()
292
440
        
306
454
        # This keeps track of whether self.uilist currently has
307
455
        # self.logbox in it or not
308
456
        self.log_visible = True
309
 
        self.log_wrap = u"any"
 
457
        self.log_wrap = "any"
310
458
        
311
459
        self.rebuild()
312
 
        self.log_message_raw((u"bold",
313
 
                              u"Mandos Monitor version " + version))
314
 
        self.log_message_raw((u"bold",
315
 
                              u"q: Quit  ?: Help"))
 
460
        self.log_message_raw(("bold",
 
461
                              "Mandos Monitor version " + version))
 
462
        self.log_message_raw(("bold",
 
463
                              "q: Quit  ?: Help"))
316
464
        
317
465
        self.busname = domain + '.Mandos'
318
466
        self.main_loop = gobject.MainLoop()
319
 
        self.bus = dbus.SystemBus()
320
 
        mandos_dbus_objc = self.bus.get_object(
321
 
            self.busname, u"/", follow_name_owner_changes=True)
322
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
323
 
                                          dbus_interface
324
 
                                          = server_interface)
325
 
        try:
326
 
            mandos_clients = (self.mandos_serv
327
 
                              .GetAllClientsWithProperties())
328
 
        except dbus.exceptions.DBusException:
329
 
            mandos_clients = dbus.Dictionary()
330
 
        
331
 
        (self.mandos_serv
332
 
         .connect_to_signal(u"ClientRemoved",
333
 
                            self.find_and_remove_client,
334
 
                            dbus_interface=server_interface,
335
 
                            byte_arrays=True))
336
 
        (self.mandos_serv
337
 
         .connect_to_signal(u"ClientAdded",
338
 
                            self.add_new_client,
339
 
                            dbus_interface=server_interface,
340
 
                            byte_arrays=True))
341
 
        (self.mandos_serv
342
 
         .connect_to_signal(u"ClientNotFound",
343
 
                            self.client_not_found,
344
 
                            dbus_interface=server_interface,
345
 
                            byte_arrays=True))
346
 
        for path, client in mandos_clients.iteritems():
347
 
            client_proxy_object = self.bus.get_object(self.busname,
348
 
                                                      path)
349
 
            self.add_client(MandosClientWidget(server_proxy_object
350
 
                                               =self.mandos_serv,
351
 
                                               proxy_object
352
 
                                               =client_proxy_object,
353
 
                                               properties=client,
354
 
                                               update_hook
355
 
                                               =self.refresh,
356
 
                                               delete_hook
357
 
                                               =self.remove_client,
358
 
                                               logger
359
 
                                               =self.log_message),
360
 
                            path=path)
361
467
    
362
468
    def client_not_found(self, fingerprint, address):
363
 
        self.log_message((u"Client with address %s and fingerprint %s"
364
 
                          u" could not be found" % (address,
365
 
                                                    fingerprint)))
 
469
        self.log_message("Client with address {0} and fingerprint"
 
470
                         " {1} could not be found"
 
471
                         .format(address, fingerprint))
366
472
    
367
473
    def rebuild(self):
368
474
        """This rebuilds the User Interface.
369
475
        Call this when the widget layout needs to change"""
370
476
        self.uilist = []
371
477
        #self.uilist.append(urwid.ListBox(self.clients))
372
 
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
 
478
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
 
479
                                                          clients),
373
480
                                       #header=urwid.Divider(),
374
481
                                       header=None,
375
 
                                       footer=urwid.Divider(div_char=self.divider)))
 
482
                                       footer=
 
483
                                       urwid.Divider(div_char=
 
484
                                                     self.divider)))
376
485
        if self.log_visible:
377
486
            self.uilist.append(self.logbox)
378
 
            pass
379
487
        self.topwidget = urwid.Pile(self.uilist)
380
488
    
381
489
    def log_message(self, message):
 
490
        """Log message formatted with timestamp"""
382
491
        timestamp = datetime.datetime.now().isoformat()
383
 
        self.log_message_raw(timestamp + u": " + message)
 
492
        self.log_message_raw(timestamp + ": " + message)
384
493
    
385
494
    def log_message_raw(self, markup):
386
495
        """Add a log message to the log buffer."""
389
498
            and len(self.log) > self.max_log_length):
390
499
            del self.log[0:len(self.log)-self.max_log_length-1]
391
500
        self.logbox.set_focus(len(self.logbox.body.contents),
392
 
                              coming_from=u"above")
 
501
                              coming_from="above")
393
502
        self.refresh()
394
503
    
395
504
    def toggle_log_display(self):
396
505
        """Toggle visibility of the log buffer."""
397
506
        self.log_visible = not self.log_visible
398
507
        self.rebuild()
399
 
        self.log_message(u"Log visibility changed to: "
400
 
                         + unicode(self.log_visible))
 
508
        #self.log_message("Log visibility changed to: "
 
509
        #                 + str(self.log_visible))
401
510
    
402
511
    def change_log_display(self):
403
512
        """Change type of log display.
404
513
        Currently, this toggles wrapping of text lines."""
405
 
        if self.log_wrap == u"clip":
406
 
            self.log_wrap = u"any"
 
514
        if self.log_wrap == "clip":
 
515
            self.log_wrap = "any"
407
516
        else:
408
 
            self.log_wrap = u"clip"
 
517
            self.log_wrap = "clip"
409
518
        for textwidget in self.log:
410
519
            textwidget.set_wrap_mode(self.log_wrap)
411
 
        self.log_message(u"Wrap mode: " + self.log_wrap)
 
520
        #self.log_message("Wrap mode: " + self.log_wrap)
412
521
    
413
522
    def find_and_remove_client(self, path, name):
414
 
        """Find an client from its object path and remove it.
 
523
        """Find a client by its object path and remove it.
415
524
        
416
525
        This is connected to the ClientRemoved signal from the
417
526
        Mandos server object."""
419
528
            client = self.clients_dict[path]
420
529
        except KeyError:
421
530
            # not found?
 
531
            self.log_message("Unknown client {0!r} ({1!r}) removed"
 
532
                             .format(name, path))
422
533
            return
423
 
        self.remove_client(client, path)
 
534
        client.delete()
424
535
    
425
536
    def add_new_client(self, path):
426
537
        client_proxy_object = self.bus.get_object(self.busname, path)
441
552
        if path is None:
442
553
            path = client.proxy.object_path
443
554
        self.clients_dict[path] = client
444
 
        self.clients.sort(None, lambda c: c.properties[u"name"])
 
555
        self.clients.sort(key=lambda c: c.properties["Name"])
445
556
        self.refresh()
446
557
    
447
558
    def remove_client(self, client, path=None):
449
560
        if path is None:
450
561
            path = client.proxy.object_path
451
562
        del self.clients_dict[path]
452
 
        if not self.clients_dict:
453
 
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
454
 
            # is completely emptied, we need to recreate it.
455
 
            self.clients = urwid.SimpleListWalker([])
456
 
            self.rebuild()
457
563
        self.refresh()
458
564
    
459
565
    def refresh(self):
463
569
    
464
570
    def run(self):
465
571
        """Start the main loop and exit when it's done."""
 
572
        self.bus = dbus.SystemBus()
 
573
        mandos_dbus_objc = self.bus.get_object(
 
574
            self.busname, "/", follow_name_owner_changes=True)
 
575
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
576
                                          dbus_interface
 
577
                                          = server_interface)
 
578
        try:
 
579
            mandos_clients = (self.mandos_serv
 
580
                              .GetAllClientsWithProperties())
 
581
            if not mandos_clients:
 
582
                self.log_message_raw(("bold", "Note: Server has no clients."))
 
583
        except dbus.exceptions.DBusException:
 
584
            self.log_message_raw(("bold", "Note: No Mandos server running."))
 
585
            mandos_clients = dbus.Dictionary()
 
586
        
 
587
        (self.mandos_serv
 
588
         .connect_to_signal("ClientRemoved",
 
589
                            self.find_and_remove_client,
 
590
                            dbus_interface=server_interface,
 
591
                            byte_arrays=True))
 
592
        (self.mandos_serv
 
593
         .connect_to_signal("ClientAdded",
 
594
                            self.add_new_client,
 
595
                            dbus_interface=server_interface,
 
596
                            byte_arrays=True))
 
597
        (self.mandos_serv
 
598
         .connect_to_signal("ClientNotFound",
 
599
                            self.client_not_found,
 
600
                            dbus_interface=server_interface,
 
601
                            byte_arrays=True))
 
602
        for path, client in mandos_clients.items():
 
603
            client_proxy_object = self.bus.get_object(self.busname,
 
604
                                                      path)
 
605
            self.add_client(MandosClientWidget(server_proxy_object
 
606
                                               =self.mandos_serv,
 
607
                                               proxy_object
 
608
                                               =client_proxy_object,
 
609
                                               properties=client,
 
610
                                               update_hook
 
611
                                               =self.refresh,
 
612
                                               delete_hook
 
613
                                               =self.remove_client,
 
614
                                               logger
 
615
                                               =self.log_message),
 
616
                            path=path)
 
617
        
466
618
        self.refresh()
467
619
        self._input_callback_tag = (gobject.io_add_watch
468
620
                                    (sys.stdin.fileno(),
478
630
    
479
631
    def process_input(self, source, condition):
480
632
        keys = self.screen.get_input()
481
 
        translations = { u"ctrl n": u"down",      # Emacs
482
 
                         u"ctrl p": u"up",        # Emacs
483
 
                         u"ctrl v": u"page down", # Emacs
484
 
                         u"meta v": u"page up",   # Emacs
485
 
                         u" ": u"page down",      # less
486
 
                         u"f": u"page down",      # less
487
 
                         u"b": u"page up",        # less
488
 
                         u"j": u"down",           # vi
489
 
                         u"k": u"up",             # vi
 
633
        translations = { "ctrl n": "down",      # Emacs
 
634
                         "ctrl p": "up",        # Emacs
 
635
                         "ctrl v": "page down", # Emacs
 
636
                         "meta v": "page up",   # Emacs
 
637
                         " ": "page down",      # less
 
638
                         "f": "page down",      # less
 
639
                         "b": "page up",        # less
 
640
                         "j": "down",           # vi
 
641
                         "k": "up",             # vi
490
642
                         }
491
643
        for key in keys:
492
644
            try:
494
646
            except KeyError:    # :-)
495
647
                pass
496
648
            
497
 
            if key == u"q" or key == u"Q":
 
649
            if key == "q" or key == "Q":
498
650
                self.stop()
499
651
                break
500
 
            elif key == u"window resize":
 
652
            elif key == "window resize":
501
653
                self.size = self.screen.get_cols_rows()
502
654
                self.refresh()
503
 
            elif key == u"\f":  # Ctrl-L
 
655
            elif key == "\f":  # Ctrl-L
504
656
                self.refresh()
505
 
            elif key == u"l" or key == u"D":
 
657
            elif key == "l" or key == "D":
506
658
                self.toggle_log_display()
507
659
                self.refresh()
508
 
            elif key == u"w" or key == u"i":
 
660
            elif key == "w" or key == "i":
509
661
                self.change_log_display()
510
662
                self.refresh()
511
 
            elif key == u"?" or key == u"f1" or key == u"esc":
 
663
            elif key == "?" or key == "f1" or key == "esc":
512
664
                if not self.log_visible:
513
665
                    self.log_visible = True
514
666
                    self.rebuild()
515
 
                self.log_message_raw((u"bold",
516
 
                                      u"  ".
517
 
                                      join((u"q: Quit",
518
 
                                            u"?: Help",
519
 
                                            u"l: Log window toggle",
520
 
                                            u"TAB: Switch window",
521
 
                                            u"w: Wrap (log)"))))
522
 
                self.log_message_raw((u"bold",
523
 
                                      u"  "
524
 
                                      .join((u"Clients:",
525
 
                                             u"e: Enable",
526
 
                                             u"d: Disable",
527
 
                                             u"r: Remove",
528
 
                                             u"s: Start new checker",
529
 
                                             u"S: Stop checker",
530
 
                                             u"C: Checker OK"))))
 
667
                self.log_message_raw(("bold",
 
668
                                      "  ".
 
669
                                      join(("q: Quit",
 
670
                                            "?: Help",
 
671
                                            "l: Log window toggle",
 
672
                                            "TAB: Switch window",
 
673
                                            "w: Wrap (log)"))))
 
674
                self.log_message_raw(("bold",
 
675
                                      "  "
 
676
                                      .join(("Clients:",
 
677
                                             "+: Enable",
 
678
                                             "-: Disable",
 
679
                                             "R: Remove",
 
680
                                             "s: Start new checker",
 
681
                                             "S: Stop checker",
 
682
                                             "C: Checker OK",
 
683
                                             "a: Approve",
 
684
                                             "d: Deny"))))
531
685
                self.refresh()
532
 
            elif key == u"tab":
 
686
            elif key == "tab":
533
687
                if self.topwidget.get_focus() is self.logbox:
534
688
                    self.topwidget.set_focus(0)
535
689
                else:
536
690
                    self.topwidget.set_focus(self.logbox)
537
691
                self.refresh()
538
 
            #elif (key == u"end" or key == u"meta >" or key == u"G"
539
 
            #      or key == u">"):
 
692
            #elif (key == "end" or key == "meta >" or key == "G"
 
693
            #      or key == ">"):
540
694
            #    pass            # xxx end-of-buffer
541
 
            #elif (key == u"home" or key == u"meta <" or key == u"g"
542
 
            #      or key == u"<"):
 
695
            #elif (key == "home" or key == "meta <" or key == "g"
 
696
            #      or key == "<"):
543
697
            #    pass            # xxx beginning-of-buffer
544
 
            #elif key == u"ctrl e" or key == u"$":
 
698
            #elif key == "ctrl e" or key == "$":
545
699
            #    pass            # xxx move-end-of-line
546
 
            #elif key == u"ctrl a" or key == u"^":
 
700
            #elif key == "ctrl a" or key == "^":
547
701
            #    pass            # xxx move-beginning-of-line
548
 
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
 
702
            #elif key == "ctrl b" or key == "meta (" or key == "h":
549
703
            #    pass            # xxx left
550
 
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
 
704
            #elif key == "ctrl f" or key == "meta )" or key == "l":
551
705
            #    pass            # xxx right
552
 
            #elif key == u"a":
 
706
            #elif key == "a":
553
707
            #    pass            # scroll up log
554
 
            #elif key == u"z":
 
708
            #elif key == "z":
555
709
            #    pass            # scroll down log
556
710
            elif self.topwidget.selectable():
557
711
                self.topwidget.keypress(self.size, key)
561
715
ui = UserInterface()
562
716
try:
563
717
    ui.run()
564
 
except Exception, e:
565
 
    ui.log_message(unicode(e))
 
718
except KeyboardInterrupt:
 
719
    ui.screen.stop()
 
720
except Exception as e:
 
721
    ui.log_message(str(e))
566
722
    ui.screen.stop()
567
723
    raise