/mandos/trunk

To get this branch, use:
bzr branch http://bzr.recompile.se/loggerhead/mandos/trunk

« back to all changes in this revision

Viewing changes to mandos-monitor

  • 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()".

Show diffs side-by-side

added added

removed removed

Lines of Context:
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 = "1.6.5"
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
 
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"]))
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.update()
 
113
            self.logger(u'Checker for client %s (command "%s")'
 
114
                        u' was successful'
 
115
                        % (self.properties[u"name"], command))
183
116
            return
184
 
        # Checker failed
185
117
        if os.WIFEXITED(condition):
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()
 
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')
204
134
    
205
135
    def checker_started(self, 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
        self.logger(u'Client %s started checker "%s"'
 
137
                    % (self.properties[u"name"], unicode(command)))
212
138
    
213
139
    def got_secret(self):
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))
 
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"])
228
146
    
229
147
    def selectable(self):
230
148
        """Make this a "selectable" widget.
231
149
        This overrides the method from urwid.FlowWidget."""
232
150
        return True
233
151
    
234
 
    def rows(self, maxcolrow, focus=False):
 
152
    def rows(self, (maxcol,), focus=False):
235
153
        """How many rows this widget will occupy might depend on
236
154
        whether we have focus or not.
237
155
        This overrides the method from urwid.FlowWidget"""
238
 
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
156
        return self.current_widget(focus).rows((maxcol,), focus=focus)
239
157
    
240
158
    def current_widget(self, focus=False):
241
159
        if focus or self.opened:
245
163
    def update(self):
246
164
        "Called when what is visible on the screen should be updated."
247
165
        # How to add standout mode to a style
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",
 
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",
254
172
                          }
255
173
        
256
174
        # Rebuild focus and non-focus widgets using current properties
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
 
        
 
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")})
300
181
        if not urwid.supports_unicode():
301
182
            self._text = self._text.encode("ascii", "replace")
302
 
        textlist = [("normal", self._text)]
 
183
        textlist = [(u"normal", self._text)]
303
184
        self._text_widget.set_text(textlist)
304
185
        self._focus_text_widget.set_text([(with_standout[text[0]],
305
186
                                           text[1])
313
194
        if self.update_hook is not None:
314
195
            self.update_hook()
315
196
    
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 = ()
 
197
    def delete(self):
329
198
        if self.delete_hook is not None:
330
199
            self.delete_hook(self)
331
 
        return super(MandosClientWidget, self).delete(**kwargs)
332
200
    
333
 
    def render(self, maxcolrow, focus=False):
 
201
    def render(self, (maxcol,), focus=False):
334
202
        """Render differently if we have focus.
335
203
        This overrides the method from urwid.FlowWidget"""
336
 
        return self.current_widget(focus).render(maxcolrow,
 
204
        return self.current_widget(focus).render((maxcol,),
337
205
                                                 focus=focus)
338
206
    
339
 
    def keypress(self, maxcolrow, key):
 
207
    def keypress(self, (maxcol,), key):
340
208
        """Handle keys.
341
209
        This overrides the method from urwid.FlowWidget"""
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":
 
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":
357
215
            self.server_proxy_object.RemoveClient(self.proxy
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)
 
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()
369
223
        # xxx
370
 
#         elif key == "p" or key == "=":
 
224
#         elif key == u"p" or key == "=":
371
225
#             self.proxy.pause()
372
 
#         elif key == "u" or key == ":":
 
226
#         elif key == u"u" or key == ":":
373
227
#             self.proxy.unpause()
374
 
#         elif key == "RET":
 
228
#         elif key == u"RET":
375
229
#             self.open()
376
230
        else:
377
231
            return key
378
232
    
379
 
    def property_changed(self, property=None, **kwargs):
 
233
    def property_changed(self, property=None, value=None,
 
234
                         *args, **kwargs):
380
235
        """Call self.update() if old value is not new value.
381
236
        This overrides the method from MandosClientPropertyCache"""
382
 
        property_name = str(property)
 
237
        property_name = unicode(property)
383
238
        old_value = self.properties.get(property_name)
384
239
        super(MandosClientWidget, self).property_changed(
385
 
            property=property, **kwargs)
 
240
            property=property, value=value, *args, **kwargs)
386
241
        if self.properties.get(property_name) != old_value:
387
242
            self.update()
388
243
 
392
247
    "down" key presses, thus not allowing any containing widgets to
393
248
    use them as an excuse to shift focus away from this widget.
394
249
    """
395
 
    def keypress(self, *args, **kwargs):
396
 
        ret = super(ConstrainedListBox, self).keypress(*args, **kwargs)
397
 
        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"):
398
253
            return
399
254
        return ret
400
255
 
409
264
        self.screen = urwid.curses_display.Screen()
410
265
        
411
266
        self.screen.register_palette((
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"),
 
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")),
430
284
                ))
431
285
        
432
286
        if urwid.supports_unicode():
433
 
            self.divider = "─" # \u2500
434
 
            #self.divider = "━" # \u2501
 
287
            self.divider = u"─" # \u2500
 
288
            #self.divider = u"━" # \u2501
435
289
        else:
436
 
            #self.divider = "-" # \u002d
437
 
            self.divider = "_" # \u005f
 
290
            #self.divider = u"-" # \u002d
 
291
            self.divider = u"_" # \u005f
438
292
        
439
293
        self.screen.start()
440
294
        
454
308
        # This keeps track of whether self.uilist currently has
455
309
        # self.logbox in it or not
456
310
        self.log_visible = True
457
 
        self.log_wrap = "any"
 
311
        self.log_wrap = u"any"
458
312
        
459
313
        self.rebuild()
460
 
        self.log_message_raw(("bold",
461
 
                              "Mandos Monitor version " + version))
462
 
        self.log_message_raw(("bold",
463
 
                              "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"))
464
318
        
465
319
        self.busname = domain + '.Mandos'
466
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)
467
363
    
468
364
    def client_not_found(self, fingerprint, address):
469
 
        self.log_message("Client with address {0} and fingerprint"
470
 
                         " {1} could not be found"
471
 
                         .format(address, fingerprint))
 
365
        self.log_message((u"Client with address %s and fingerprint %s"
 
366
                          u" could not be found" % (address,
 
367
                                                    fingerprint)))
472
368
    
473
369
    def rebuild(self):
474
370
        """This rebuilds the User Interface.
475
371
        Call this when the widget layout needs to change"""
476
372
        self.uilist = []
477
373
        #self.uilist.append(urwid.ListBox(self.clients))
478
 
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
479
 
                                                          clients),
 
374
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
480
375
                                       #header=urwid.Divider(),
481
376
                                       header=None,
482
 
                                       footer=
483
 
                                       urwid.Divider(div_char=
484
 
                                                     self.divider)))
 
377
                                       footer=urwid.Divider(div_char=self.divider)))
485
378
        if self.log_visible:
486
379
            self.uilist.append(self.logbox)
 
380
            pass
487
381
        self.topwidget = urwid.Pile(self.uilist)
488
382
    
489
383
    def log_message(self, message):
490
 
        """Log message formatted with timestamp"""
491
384
        timestamp = datetime.datetime.now().isoformat()
492
 
        self.log_message_raw(timestamp + ": " + message)
 
385
        self.log_message_raw(timestamp + u": " + message)
493
386
    
494
387
    def log_message_raw(self, markup):
495
388
        """Add a log message to the log buffer."""
498
391
            and len(self.log) > self.max_log_length):
499
392
            del self.log[0:len(self.log)-self.max_log_length-1]
500
393
        self.logbox.set_focus(len(self.logbox.body.contents),
501
 
                              coming_from="above")
 
394
                              coming_from=u"above")
502
395
        self.refresh()
503
396
    
504
397
    def toggle_log_display(self):
505
398
        """Toggle visibility of the log buffer."""
506
399
        self.log_visible = not self.log_visible
507
400
        self.rebuild()
508
 
        #self.log_message("Log visibility changed to: "
509
 
        #                 + str(self.log_visible))
 
401
        self.log_message(u"Log visibility changed to: "
 
402
                         + unicode(self.log_visible))
510
403
    
511
404
    def change_log_display(self):
512
405
        """Change type of log display.
513
406
        Currently, this toggles wrapping of text lines."""
514
 
        if self.log_wrap == "clip":
515
 
            self.log_wrap = "any"
 
407
        if self.log_wrap == u"clip":
 
408
            self.log_wrap = u"any"
516
409
        else:
517
 
            self.log_wrap = "clip"
 
410
            self.log_wrap = u"clip"
518
411
        for textwidget in self.log:
519
412
            textwidget.set_wrap_mode(self.log_wrap)
520
 
        #self.log_message("Wrap mode: " + self.log_wrap)
 
413
        self.log_message(u"Wrap mode: " + self.log_wrap)
521
414
    
522
415
    def find_and_remove_client(self, path, name):
523
 
        """Find a client by its object path and remove it.
 
416
        """Find an client from its object path and remove it.
524
417
        
525
418
        This is connected to the ClientRemoved signal from the
526
419
        Mandos server object."""
528
421
            client = self.clients_dict[path]
529
422
        except KeyError:
530
423
            # not found?
531
 
            self.log_message("Unknown client {0!r} ({1!r}) removed"
532
 
                             .format(name, path))
533
424
            return
534
 
        client.delete()
 
425
        self.remove_client(client, path)
535
426
    
536
 
    def add_new_client(self, path):
 
427
    def add_new_client(self, path, properties):
537
428
        client_proxy_object = self.bus.get_object(self.busname, path)
538
429
        self.add_client(MandosClientWidget(server_proxy_object
539
430
                                           =self.mandos_serv,
540
431
                                           proxy_object
541
432
                                           =client_proxy_object,
 
433
                                           properties=properties,
542
434
                                           update_hook
543
435
                                           =self.refresh,
544
436
                                           delete_hook
545
 
                                           =self.remove_client,
546
 
                                           logger
547
 
                                           =self.log_message),
 
437
                                           =self.remove_client),
548
438
                        path=path)
549
439
    
550
440
    def add_client(self, client, path=None):
552
442
        if path is None:
553
443
            path = client.proxy.object_path
554
444
        self.clients_dict[path] = client
555
 
        self.clients.sort(key=lambda c: c.properties["Name"])
 
445
        self.clients.sort(None, lambda c: c.properties[u"name"])
556
446
        self.refresh()
557
447
    
558
448
    def remove_client(self, client, path=None):
560
450
        if path is None:
561
451
            path = client.proxy.object_path
562
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()
563
458
        self.refresh()
564
459
    
565
460
    def refresh(self):
569
464
    
570
465
    def run(self):
571
466
        """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
 
        
618
467
        self.refresh()
619
468
        self._input_callback_tag = (gobject.io_add_watch
620
469
                                    (sys.stdin.fileno(),
630
479
    
631
480
    def process_input(self, source, condition):
632
481
        keys = self.screen.get_input()
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
 
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
642
491
                         }
643
492
        for key in keys:
644
493
            try:
646
495
            except KeyError:    # :-)
647
496
                pass
648
497
            
649
 
            if key == "q" or key == "Q":
 
498
            if key == u"q" or key == u"Q":
650
499
                self.stop()
651
500
                break
652
 
            elif key == "window resize":
 
501
            elif key == u"window resize":
653
502
                self.size = self.screen.get_cols_rows()
654
503
                self.refresh()
655
 
            elif key == "\f":  # Ctrl-L
 
504
            elif key == u"\f":  # Ctrl-L
656
505
                self.refresh()
657
 
            elif key == "l" or key == "D":
 
506
            elif key == u"l" or key == u"D":
658
507
                self.toggle_log_display()
659
508
                self.refresh()
660
 
            elif key == "w" or key == "i":
 
509
            elif key == u"w" or key == u"i":
661
510
                self.change_log_display()
662
511
                self.refresh()
663
 
            elif key == "?" or key == "f1" or key == "esc":
 
512
            elif key == u"?" or key == u"f1" or key == u"esc":
664
513
                if not self.log_visible:
665
514
                    self.log_visible = True
666
515
                    self.rebuild()
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"))))
 
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"))))
685
532
                self.refresh()
686
 
            elif key == "tab":
 
533
            elif key == u"tab":
687
534
                if self.topwidget.get_focus() is self.logbox:
688
535
                    self.topwidget.set_focus(0)
689
536
                else:
690
537
                    self.topwidget.set_focus(self.logbox)
691
538
                self.refresh()
692
 
            #elif (key == "end" or key == "meta >" or key == "G"
693
 
            #      or key == ">"):
 
539
            #elif (key == u"end" or key == u"meta >" or key == u"G"
 
540
            #      or key == u">"):
694
541
            #    pass            # xxx end-of-buffer
695
 
            #elif (key == "home" or key == "meta <" or key == "g"
696
 
            #      or key == "<"):
 
542
            #elif (key == u"home" or key == u"meta <" or key == u"g"
 
543
            #      or key == u"<"):
697
544
            #    pass            # xxx beginning-of-buffer
698
 
            #elif key == "ctrl e" or key == "$":
 
545
            #elif key == u"ctrl e" or key == u"$":
699
546
            #    pass            # xxx move-end-of-line
700
 
            #elif key == "ctrl a" or key == "^":
 
547
            #elif key == u"ctrl a" or key == u"^":
701
548
            #    pass            # xxx move-beginning-of-line
702
 
            #elif key == "ctrl b" or key == "meta (" or key == "h":
 
549
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
703
550
            #    pass            # xxx left
704
 
            #elif key == "ctrl f" or key == "meta )" or key == "l":
 
551
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
705
552
            #    pass            # xxx right
706
 
            #elif key == "a":
 
553
            #elif key == u"a":
707
554
            #    pass            # scroll up log
708
 
            #elif key == "z":
 
555
            #elif key == u"z":
709
556
            #    pass            # scroll down log
710
557
            elif self.topwidget.selectable():
711
558
                self.topwidget.keypress(self.size, key)
715
562
ui = UserInterface()
716
563
try:
717
564
    ui.run()
718
 
except KeyboardInterrupt:
719
 
    ui.screen.stop()
720
 
except Exception as e:
721
 
    ui.log_message(str(e))
 
565
except:
722
566
    ui.screen.stop()
723
567
    raise