/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: 2014-07-12 12:54:13 UTC
  • Revision ID: teddy@recompile.se-20140712125413-2v66uak9da6kwjs5
mandos: The Debian package should prefer "ssh-client" over "fping".

* debian/control (mandos/Recommends): List "ssh-client" before
                                      "fping".

Show diffs side-by-side

added added

removed removed

Lines of Context:
mandos-monitor
1
1
#!/usr/bin/python
2
2
# -*- mode: python; coding: utf-8 -*-
 
3
# 
 
4
# Mandos Monitor - Control and monitor the Mandos server
 
5
# 
 
6
# Copyright © 2009-2014 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, '')
25
55
 
26
56
import logging
27
57
logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
28
58
 
29
59
# Some useful constants
30
 
domain = 'se.bsnet.fukt'
 
60
domain = 'se.recompile'
31
61
server_interface = domain + '.Mandos'
32
62
client_interface = domain + '.Mandos.Client'
33
 
version = "1.0.15"
34
 
 
35
 
# Always run in monochrome mode
36
 
urwid.curses_display.curses.has_colors = lambda : False
37
 
 
38
 
# Urwid doesn't support blinking, but we want it.  Since we have no
39
 
# use for underline on its own, we make underline also always blink.
40
 
urwid.curses_display.curses.A_UNDERLINE |= (
41
 
    urwid.curses_display.curses.A_BLINK)
 
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
42
80
 
43
81
class MandosClientPropertyCache(object):
44
82
    """This wraps a Mandos Client D-Bus proxy object, caches the
45
83
    properties and calls a hook function when any of them are
46
84
    changed.
47
85
    """
48
 
    def __init__(self, proxy_object=None, *args, **kwargs):
 
86
    def __init__(self, proxy_object=None, properties=None, **kwargs):
49
87
        self.proxy = proxy_object # Mandos Client proxy object
50
 
        
51
 
        self.properties = dict()
52
 
        self.proxy.connect_to_signal(u"PropertyChanged",
53
 
                                     self.property_changed,
54
 
                                     client_interface,
55
 
                                     byte_arrays=True)
56
 
        
57
 
        self.properties.update(
58
 
            self.proxy.GetAll(client_interface,
59
 
                              dbus_interface = dbus.PROPERTIES_IFACE))
60
 
 
61
 
        #XXX This break good super behaviour!
62
 
#        super(MandosClientPropertyCache, self).__init__(
63
 
#            *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)
64
106
    
65
107
    def property_changed(self, property=None, value=None):
66
108
        """This is called whenever we get a PropertyChanged signal
68
110
        """
69
111
        # Update properties dict with new value
70
112
        self.properties[property] = value
 
113
    
 
114
    def delete(self):
 
115
        self.property_changed_match.remove()
71
116
 
72
117
 
73
118
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
75
120
    """
76
121
    
77
122
    def __init__(self, server_proxy_object=None, update_hook=None,
78
 
                 delete_hook=None, logger=None, *args, **kwargs):
 
123
                 delete_hook=None, logger=None, **kwargs):
79
124
        # Called on update
80
125
        self.update_hook = update_hook
81
126
        # Called on delete
85
130
        # Logger
86
131
        self.logger = logger
87
132
        
 
133
        self._update_timer_callback_tag = None
 
134
        
88
135
        # The widget shown normally
89
 
        self._text_widget = urwid.Text(u"")
 
136
        self._text_widget = urwid.Text("")
90
137
        # The widget shown when we have focus
91
 
        self._focus_text_widget = urwid.Text(u"")
92
 
        super(MandosClientWidget, self).__init__(
93
 
            update_hook=update_hook, delete_hook=delete_hook,
94
 
            *args, **kwargs)
 
138
        self._focus_text_widget = urwid.Text("")
 
139
        super(MandosClientWidget, self).__init__(**kwargs)
95
140
        self.update()
96
141
        self.opened = False
97
 
        self.proxy.connect_to_signal(u"CheckerCompleted",
98
 
                                     self.checker_completed,
99
 
                                     client_interface,
100
 
                                     byte_arrays=True)
101
 
        self.proxy.connect_to_signal(u"CheckerStarted",
102
 
                                     self.checker_started,
103
 
                                     client_interface,
104
 
                                     byte_arrays=True)
105
 
        self.proxy.connect_to_signal(u"GotSecret",
106
 
                                     self.got_secret,
107
 
                                     client_interface,
108
 
                                     byte_arrays=True)
109
 
        self.proxy.connect_to_signal(u"NeedApproval",
110
 
                                     self.need_approval,
111
 
                                     client_interface,
112
 
                                     byte_arrays=True)
113
 
        self.proxy.connect_to_signal(u"Rejected",
114
 
                                     self.rejected,
115
 
                                     client_interface,
116
 
                                     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
117
179
    
118
180
    def checker_completed(self, exitstatus, condition, command):
119
181
        if exitstatus == 0:
120
 
            #self.logger(u'Checker for client %s (command "%s")'
121
 
            #            u' was successful'
122
 
            #            % (self.properties[u"name"], command))
 
182
            self.update()
123
183
            return
 
184
        # Checker failed
124
185
        if os.WIFEXITED(condition):
125
 
            self.logger(u'Checker for client %s (command "%s")'
126
 
                        u' failed with exit code %s'
127
 
                        % (self.properties[u"name"], command,
128
 
                           os.WEXITSTATUS(condition)))
129
 
            return
130
 
        if os.WIFSIGNALED(condition):
131
 
            self.logger(u'Checker for client %s (command "%s")'
132
 
                        u' was killed by signal %s'
133
 
                        % (self.properties[u"name"], command,
134
 
                           os.WTERMSIG(condition)))
135
 
            return
136
 
        if os.WCOREDUMP(condition):
137
 
            self.logger(u'Checker for client %s (command "%s")'
138
 
                        u' dumped core'
139
 
                        % (self.properties[u"name"], command))
140
 
        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()
141
204
    
142
205
    def checker_started(self, command):
143
 
        #self.logger(u'Client %s started checker "%s"'
144
 
        #            % (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)))
145
211
        pass
146
212
    
147
213
    def got_secret(self):
148
 
        self.logger(u'Client %s received its secret'
149
 
                    % self.properties[u"name"])
 
214
        self.logger('Client {0} received its secret'
 
215
                    .format(self.properties["Name"]))
150
216
    
151
217
    def need_approval(self, timeout, default):
152
218
        if not default:
153
 
            message = u'Client %s needs approval within %s seconds'
 
219
            message = 'Client {0} needs approval within {1} seconds'
154
220
        else:
155
 
            message = u'Client %s will get its secret in %s seconds'
156
 
        self.logger(message
157
 
                    % (self.properties[u"name"], timeout/1000))
 
221
            message = 'Client {0} will get its secret in {1} seconds'
 
222
        self.logger(message.format(self.properties["Name"],
 
223
                                   timeout/1000))
158
224
    
159
225
    def rejected(self, reason):
160
 
        self.logger(u'Client %s was rejected; reason: %s'
161
 
                    % (self.properties[u"name"], reason))
 
226
        self.logger('Client {0} was rejected; reason: {1}'
 
227
                    .format(self.properties["Name"], reason))
162
228
    
163
229
    def selectable(self):
164
230
        """Make this a "selectable" widget.
165
231
        This overrides the method from urwid.FlowWidget."""
166
232
        return True
167
233
    
168
 
    def rows(self, (maxcol,), focus=False):
 
234
    def rows(self, maxcolrow, focus=False):
169
235
        """How many rows this widget will occupy might depend on
170
236
        whether we have focus or not.
171
237
        This overrides the method from urwid.FlowWidget"""
172
 
        return self.current_widget(focus).rows((maxcol,), focus=focus)
 
238
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
173
239
    
174
240
    def current_widget(self, focus=False):
175
241
        if focus or self.opened:
179
245
    def update(self):
180
246
        "Called when what is visible on the screen should be updated."
181
247
        # How to add standout mode to a style
182
 
        with_standout = { u"normal": u"standout",
183
 
                          u"bold": u"bold-standout",
184
 
                          u"underline-blink":
185
 
                              u"underline-blink-standout",
186
 
                          u"bold-underline-blink":
187
 
                              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",
188
254
                          }
189
 
 
 
255
        
190
256
        # Rebuild focus and non-focus widgets using current properties
191
 
 
 
257
        
192
258
        # Base part of a client. Name!
193
 
        self._text = (u'%(name)s: '
194
 
                      % {u"name": self.properties[u"name"]})
195
 
 
196
 
        if self.properties[u"approved_pending"]:
197
 
            if self.properties[u"approved_by_default"]:
198
 
                self._text += u"Connection established to client. (d)eny?"
199
 
            else:
200
 
                self._text += u"Seeks approval to send secret. (a)pprove?"
 
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)
201
295
        else:
202
 
            self._text += (u'%(enabled)s'
203
 
                           % {u"enabled":
204
 
                               (u"enabled"
205
 
                                if self.properties[u"enabled"]
206
 
                                else u"DISABLED")})
 
296
            message = "enabled"
 
297
            self.using_timer(False)
 
298
        self._text = "{0}{1}".format(base, message)
 
299
        
207
300
        if not urwid.supports_unicode():
208
301
            self._text = self._text.encode("ascii", "replace")
209
 
        textlist = [(u"normal", self._text)]
 
302
        textlist = [("normal", self._text)]
210
303
        self._text_widget.set_text(textlist)
211
304
        self._focus_text_widget.set_text([(with_standout[text[0]],
212
305
                                           text[1])
220
313
        if self.update_hook is not None:
221
314
            self.update_hook()
222
315
    
223
 
    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 = ()
224
329
        if self.delete_hook is not None:
225
330
            self.delete_hook(self)
 
331
        return super(MandosClientWidget, self).delete(**kwargs)
226
332
    
227
 
    def render(self, (maxcol,), focus=False):
 
333
    def render(self, maxcolrow, focus=False):
228
334
        """Render differently if we have focus.
229
335
        This overrides the method from urwid.FlowWidget"""
230
 
        return self.current_widget(focus).render((maxcol,),
 
336
        return self.current_widget(focus).render(maxcolrow,
231
337
                                                 focus=focus)
232
338
    
233
 
    def keypress(self, (maxcol,), key):
 
339
    def keypress(self, maxcolrow, key):
234
340
        """Handle keys.
235
341
        This overrides the method from urwid.FlowWidget"""
236
 
        if key == u"+":
237
 
            self.proxy.Enable(dbus_interface = client_interface)
238
 
        elif key == u"-":
239
 
            self.proxy.Disable(dbus_interface = client_interface)
240
 
        elif key == u"a":
 
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":
241
349
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
242
 
                               dbus_interface = client_interface)
243
 
        elif key == u"d":
 
350
                               dbus_interface = client_interface,
 
351
                               ignore_reply=True)
 
352
        elif key == "d":
244
353
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
245
 
                                  dbus_interface = client_interface)
246
 
        elif key == u"r" or key == u"_" or key == u"ctrl k":
 
354
                                  dbus_interface = client_interface,
 
355
                               ignore_reply=True)
 
356
        elif key == "R" or key == "_" or key == "ctrl k":
247
357
            self.server_proxy_object.RemoveClient(self.proxy
248
 
                                                  .object_path)
249
 
        elif key == u"s":
250
 
            self.proxy.StartChecker(dbus_interface = client_interface)
251
 
        elif key == u"S":
252
 
            self.proxy.StopChecker(dbus_interface = client_interface)
253
 
        elif key == u"C":
254
 
            self.proxy.CheckedOK(dbus_interface = client_interface)
 
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)
255
369
        # xxx
256
 
#         elif key == u"p" or key == "=":
 
370
#         elif key == "p" or key == "=":
257
371
#             self.proxy.pause()
258
 
#         elif key == u"u" or key == ":":
 
372
#         elif key == "u" or key == ":":
259
373
#             self.proxy.unpause()
260
 
#         elif key == u"RET":
 
374
#         elif key == "RET":
261
375
#             self.open()
262
 
#        elif key == u"+":
263
 
#            self.proxy.Approve(True)
264
 
#        elif key == u"-":
265
 
#            self.proxy.Approve(False)
266
376
        else:
267
377
            return key
268
378
    
269
 
    def property_changed(self, property=None, value=None,
270
 
                         *args, **kwargs):
 
379
    def property_changed(self, property=None, **kwargs):
271
380
        """Call self.update() if old value is not new value.
272
381
        This overrides the method from MandosClientPropertyCache"""
273
 
        property_name = unicode(property)
 
382
        property_name = str(property)
274
383
        old_value = self.properties.get(property_name)
275
384
        super(MandosClientWidget, self).property_changed(
276
 
            property=property, value=value, *args, **kwargs)
 
385
            property=property, **kwargs)
277
386
        if self.properties.get(property_name) != old_value:
278
387
            self.update()
279
388
 
283
392
    "down" key presses, thus not allowing any containing widgets to
284
393
    use them as an excuse to shift focus away from this widget.
285
394
    """
286
 
    def keypress(self, (maxcol, maxrow), key):
287
 
        ret = super(ConstrainedListBox, self).keypress((maxcol, maxrow), key)
288
 
        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"):
289
398
            return
290
399
        return ret
291
400
 
300
409
        self.screen = urwid.curses_display.Screen()
301
410
        
302
411
        self.screen.register_palette((
303
 
                (u"normal",
304
 
                 u"default", u"default", None),
305
 
                (u"bold",
306
 
                 u"default", u"default", u"bold"),
307
 
                (u"underline-blink",
308
 
                 u"default", u"default", u"underline"),
309
 
                (u"standout",
310
 
                 u"default", u"default", u"standout"),
311
 
                (u"bold-underline-blink",
312
 
                 u"default", u"default", (u"bold", u"underline")),
313
 
                (u"bold-standout",
314
 
                 u"default", u"default", (u"bold", u"standout")),
315
 
                (u"underline-blink-standout",
316
 
                 u"default", u"default", (u"underline", u"standout")),
317
 
                (u"bold-underline-blink-standout",
318
 
                 u"default", u"default", (u"bold", u"underline",
319
 
                                          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"),
320
430
                ))
321
431
        
322
432
        if urwid.supports_unicode():
323
 
            self.divider = u"─" # \u2500
324
 
            #self.divider = u"━" # \u2501
 
433
            self.divider = "─" # \u2500
 
434
            #self.divider = "━" # \u2501
325
435
        else:
326
 
            #self.divider = u"-" # \u002d
327
 
            self.divider = u"_" # \u005f
 
436
            #self.divider = "-" # \u002d
 
437
            self.divider = "_" # \u005f
328
438
        
329
439
        self.screen.start()
330
440
        
344
454
        # This keeps track of whether self.uilist currently has
345
455
        # self.logbox in it or not
346
456
        self.log_visible = True
347
 
        self.log_wrap = u"any"
 
457
        self.log_wrap = "any"
348
458
        
349
459
        self.rebuild()
350
 
        self.log_message_raw((u"bold",
351
 
                              u"Mandos Monitor version " + version))
352
 
        self.log_message_raw((u"bold",
353
 
                              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"))
354
464
        
355
465
        self.busname = domain + '.Mandos'
356
466
        self.main_loop = gobject.MainLoop()
357
 
        self.bus = dbus.SystemBus()
358
 
        mandos_dbus_objc = self.bus.get_object(
359
 
            self.busname, u"/", follow_name_owner_changes=True)
360
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
361
 
                                          dbus_interface
362
 
                                          = server_interface)
363
 
        try:
364
 
            mandos_clients = (self.mandos_serv
365
 
                              .GetAllClientsWithProperties())
366
 
        except dbus.exceptions.DBusException:
367
 
            mandos_clients = dbus.Dictionary()
368
 
        
369
 
        (self.mandos_serv
370
 
         .connect_to_signal(u"ClientRemoved",
371
 
                            self.find_and_remove_client,
372
 
                            dbus_interface=server_interface,
373
 
                            byte_arrays=True))
374
 
        (self.mandos_serv
375
 
         .connect_to_signal(u"ClientAdded",
376
 
                            self.add_new_client,
377
 
                            dbus_interface=server_interface,
378
 
                            byte_arrays=True))
379
 
        (self.mandos_serv
380
 
         .connect_to_signal(u"ClientNotFound",
381
 
                            self.client_not_found,
382
 
                            dbus_interface=server_interface,
383
 
                            byte_arrays=True))
384
 
        for path, client in mandos_clients.iteritems():
385
 
            client_proxy_object = self.bus.get_object(self.busname,
386
 
                                                      path)
387
 
            self.add_client(MandosClientWidget(server_proxy_object
388
 
                                               =self.mandos_serv,
389
 
                                               proxy_object
390
 
                                               =client_proxy_object,
391
 
                                               properties=client,
392
 
                                               update_hook
393
 
                                               =self.refresh,
394
 
                                               delete_hook
395
 
                                               =self.remove_client,
396
 
                                               logger
397
 
                                               =self.log_message),
398
 
                            path=path)
399
467
    
400
468
    def client_not_found(self, fingerprint, address):
401
 
        self.log_message((u"Client with address %s and fingerprint %s"
402
 
                          u" could not be found" % (address,
403
 
                                                    fingerprint)))
 
469
        self.log_message("Client with address {0} and fingerprint"
 
470
                         " {1} could not be found"
 
471
                         .format(address, fingerprint))
404
472
    
405
473
    def rebuild(self):
406
474
        """This rebuilds the User Interface.
407
475
        Call this when the widget layout needs to change"""
408
476
        self.uilist = []
409
477
        #self.uilist.append(urwid.ListBox(self.clients))
410
 
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
 
478
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
 
479
                                                          clients),
411
480
                                       #header=urwid.Divider(),
412
481
                                       header=None,
413
 
                                       footer=urwid.Divider(div_char=self.divider)))
 
482
                                       footer=
 
483
                                       urwid.Divider(div_char=
 
484
                                                     self.divider)))
414
485
        if self.log_visible:
415
486
            self.uilist.append(self.logbox)
416
 
            pass
417
487
        self.topwidget = urwid.Pile(self.uilist)
418
488
    
419
489
    def log_message(self, message):
 
490
        """Log message formatted with timestamp"""
420
491
        timestamp = datetime.datetime.now().isoformat()
421
 
        self.log_message_raw(timestamp + u": " + message)
 
492
        self.log_message_raw(timestamp + ": " + message)
422
493
    
423
494
    def log_message_raw(self, markup):
424
495
        """Add a log message to the log buffer."""
427
498
            and len(self.log) > self.max_log_length):
428
499
            del self.log[0:len(self.log)-self.max_log_length-1]
429
500
        self.logbox.set_focus(len(self.logbox.body.contents),
430
 
                              coming_from=u"above")
 
501
                              coming_from="above")
431
502
        self.refresh()
432
503
    
433
504
    def toggle_log_display(self):
434
505
        """Toggle visibility of the log buffer."""
435
506
        self.log_visible = not self.log_visible
436
507
        self.rebuild()
437
 
        self.log_message(u"Log visibility changed to: "
438
 
                         + unicode(self.log_visible))
 
508
        #self.log_message("Log visibility changed to: "
 
509
        #                 + str(self.log_visible))
439
510
    
440
511
    def change_log_display(self):
441
512
        """Change type of log display.
442
513
        Currently, this toggles wrapping of text lines."""
443
 
        if self.log_wrap == u"clip":
444
 
            self.log_wrap = u"any"
 
514
        if self.log_wrap == "clip":
 
515
            self.log_wrap = "any"
445
516
        else:
446
 
            self.log_wrap = u"clip"
 
517
            self.log_wrap = "clip"
447
518
        for textwidget in self.log:
448
519
            textwidget.set_wrap_mode(self.log_wrap)
449
 
        self.log_message(u"Wrap mode: " + self.log_wrap)
 
520
        #self.log_message("Wrap mode: " + self.log_wrap)
450
521
    
451
522
    def find_and_remove_client(self, path, name):
452
 
        """Find an client from its object path and remove it.
 
523
        """Find a client by its object path and remove it.
453
524
        
454
525
        This is connected to the ClientRemoved signal from the
455
526
        Mandos server object."""
457
528
            client = self.clients_dict[path]
458
529
        except KeyError:
459
530
            # not found?
 
531
            self.log_message("Unknown client {0!r} ({1!r}) removed"
 
532
                             .format(name, path))
460
533
            return
461
 
        self.remove_client(client, path)
 
534
        client.delete()
462
535
    
463
536
    def add_new_client(self, path):
464
537
        client_proxy_object = self.bus.get_object(self.busname, path)
479
552
        if path is None:
480
553
            path = client.proxy.object_path
481
554
        self.clients_dict[path] = client
482
 
        self.clients.sort(None, lambda c: c.properties[u"name"])
 
555
        self.clients.sort(key=lambda c: c.properties["Name"])
483
556
        self.refresh()
484
557
    
485
558
    def remove_client(self, client, path=None):
487
560
        if path is None:
488
561
            path = client.proxy.object_path
489
562
        del self.clients_dict[path]
490
 
        if not self.clients_dict:
491
 
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
492
 
            # is completely emptied, we need to recreate it.
493
 
            self.clients = urwid.SimpleListWalker([])
494
 
            self.rebuild()
495
563
        self.refresh()
496
564
    
497
565
    def refresh(self):
501
569
    
502
570
    def run(self):
503
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
        
504
618
        self.refresh()
505
619
        self._input_callback_tag = (gobject.io_add_watch
506
620
                                    (sys.stdin.fileno(),
516
630
    
517
631
    def process_input(self, source, condition):
518
632
        keys = self.screen.get_input()
519
 
        translations = { u"ctrl n": u"down",      # Emacs
520
 
                         u"ctrl p": u"up",        # Emacs
521
 
                         u"ctrl v": u"page down", # Emacs
522
 
                         u"meta v": u"page up",   # Emacs
523
 
                         u" ": u"page down",      # less
524
 
                         u"f": u"page down",      # less
525
 
                         u"b": u"page up",        # less
526
 
                         u"j": u"down",           # vi
527
 
                         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
528
642
                         }
529
643
        for key in keys:
530
644
            try:
532
646
            except KeyError:    # :-)
533
647
                pass
534
648
            
535
 
            if key == u"q" or key == u"Q":
 
649
            if key == "q" or key == "Q":
536
650
                self.stop()
537
651
                break
538
 
            elif key == u"window resize":
 
652
            elif key == "window resize":
539
653
                self.size = self.screen.get_cols_rows()
540
654
                self.refresh()
541
 
            elif key == u"\f":  # Ctrl-L
 
655
            elif key == "\f":  # Ctrl-L
542
656
                self.refresh()
543
 
            elif key == u"l" or key == u"D":
 
657
            elif key == "l" or key == "D":
544
658
                self.toggle_log_display()
545
659
                self.refresh()
546
 
            elif key == u"w" or key == u"i":
 
660
            elif key == "w" or key == "i":
547
661
                self.change_log_display()
548
662
                self.refresh()
549
 
            elif key == u"?" or key == u"f1" or key == u"esc":
 
663
            elif key == "?" or key == "f1" or key == "esc":
550
664
                if not self.log_visible:
551
665
                    self.log_visible = True
552
666
                    self.rebuild()
553
 
                self.log_message_raw((u"bold",
554
 
                                      u"  ".
555
 
                                      join((u"q: Quit",
556
 
                                            u"?: Help",
557
 
                                            u"l: Log window toggle",
558
 
                                            u"TAB: Switch window",
559
 
                                            u"w: Wrap (log)"))))
560
 
                self.log_message_raw((u"bold",
561
 
                                      u"  "
562
 
                                      .join((u"Clients:",
563
 
                                             u"+: Enable",
564
 
                                             u"-: Disable",
565
 
                                             u"r: Remove",
566
 
                                             u"s: Start new checker",
567
 
                                             u"S: Stop checker",
568
 
                                             u"C: Checker OK",
569
 
                                             u"a: Approve",
570
 
                                             u"d: Deny"))))
 
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"))))
571
685
                self.refresh()
572
 
            elif key == u"tab":
 
686
            elif key == "tab":
573
687
                if self.topwidget.get_focus() is self.logbox:
574
688
                    self.topwidget.set_focus(0)
575
689
                else:
576
690
                    self.topwidget.set_focus(self.logbox)
577
691
                self.refresh()
578
 
            #elif (key == u"end" or key == u"meta >" or key == u"G"
579
 
            #      or key == u">"):
 
692
            #elif (key == "end" or key == "meta >" or key == "G"
 
693
            #      or key == ">"):
580
694
            #    pass            # xxx end-of-buffer
581
 
            #elif (key == u"home" or key == u"meta <" or key == u"g"
582
 
            #      or key == u"<"):
 
695
            #elif (key == "home" or key == "meta <" or key == "g"
 
696
            #      or key == "<"):
583
697
            #    pass            # xxx beginning-of-buffer
584
 
            #elif key == u"ctrl e" or key == u"$":
 
698
            #elif key == "ctrl e" or key == "$":
585
699
            #    pass            # xxx move-end-of-line
586
 
            #elif key == u"ctrl a" or key == u"^":
 
700
            #elif key == "ctrl a" or key == "^":
587
701
            #    pass            # xxx move-beginning-of-line
588
 
            #elif key == u"ctrl b" or key == u"meta (" or key == u"h":
 
702
            #elif key == "ctrl b" or key == "meta (" or key == "h":
589
703
            #    pass            # xxx left
590
 
            #elif key == u"ctrl f" or key == u"meta )" or key == u"l":
 
704
            #elif key == "ctrl f" or key == "meta )" or key == "l":
591
705
            #    pass            # xxx right
592
 
            #elif key == u"a":
 
706
            #elif key == "a":
593
707
            #    pass            # scroll up log
594
 
            #elif key == u"z":
 
708
            #elif key == "z":
595
709
            #    pass            # scroll down log
596
710
            elif self.topwidget.selectable():
597
711
                self.topwidget.keypress(self.size, key)
601
715
ui = UserInterface()
602
716
try:
603
717
    ui.run()
604
 
except Exception, e:
605
 
    ui.log_message(unicode(e))
 
718
except KeyboardInterrupt:
 
719
    ui.screen.stop()
 
720
except Exception as e:
 
721
    ui.log_message(str(e))
606
722
    ui.screen.stop()
607
723
    raise